src/WINNT/afsrdr/user/RDRFunction.c

   1 /*
   2  * Copyright (c) 2008 Secure Endpoints, Inc.
   3  * Copyright (c) 2009-2011 Your File System, Inc.
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions are met:
   8  *
   9  * - Redistributions of source code must retain the above copyright notice,
  10  *   this list of conditions and the following disclaimer.
  11  * - Redistributions in binary form must reproduce the above copyright notice,
  12  *   this list of conditions and the following disclaimer in the documentation
  13  *   and/or other materials provided with the distribution.
  14  * - Neither the name of Secure Endpoints Inc. nor the names of its contributors
  15  *   may be used to endorse or promote products derived from this software without
  16  *   specific prior written permission from Secure Endpoints, Inc. and
  17  *   Your File System, Inc.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  20  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
  22  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
  23  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  24  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  25  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  26  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  27  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  28  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  29  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 #include <afsconfig.h>
  33 #include <afs/param.h>
  34
  35 #ifndef _WIN32_WINNT
  36 #define _WIN32_WINNT 0x0500
  37 #endif
  38 #define _CRT_SECURE_NO_DEPRECATE
  39 #define _CRT_NON_CONFORMING_SWPRINTFS
  40 #define INITGUID        /* define AFS_AUTH_GUID_NO_PAG */
  41
  42 #include <ntstatus.h>
  43 #define WIN32_NO_STATUS
  44 #include <windows.h>
  45
  46 #include <roken.h>
  47
  48 #include <afs/stds.h>
  49
  50 #include <ntsecapi.h>
  51 #include <sddl.h>
  52 #pragma warning(push)
  53 #pragma warning(disable: 4005)
  54
  55 #include <devioctl.h>
  56
  57 #include "..\\Common\\AFSUserDefines.h"
  58 #include "..\\Common\\AFSUserStructs.h"
  59
  60 #pragma warning(pop)
  61
  62 #include <tchar.h>
  63 #include <wchar.h>
  64 #include <winbase.h>
  65 #include <winreg.h>
  66
  67 #include <stdio.h>
  68 #include <stdlib.h>
  69 #include <stdarg.h>
  70 #include <strsafe.h>
  71
  72 #include "afsd.h"
  73 #include "smb.h"
  74 #include "cm_btree.h"
  75 #include "msrpc.h"
  76 #include <RDRPrototypes.h>
  77 #include <RDRIoctl.h>
  78 #include <RDRPipe.h>
  79
  80 static CHAR * RDR_extentBaseAddress = NULL;
  81
  82 void
  83 RDR_InitReq(cm_req_t *reqp, BOOL bWow64)
  84 {
  85     cm_InitReq(reqp);
  86     reqp->flags |= CM_REQ_SOURCE_REDIR;
  87     if (bWow64)
  88         reqp->flags |= CM_REQ_WOW64;
  89 }
  90
  91 void
  92 RDR_fid2FID( cm_fid_t *fid, AFSFileID *FileId)
  93 {
  94     FileId->Cell = fid->cell;
  95     FileId->Volume = fid->volume;
  96     FileId->Vnode = fid->vnode;
  97     FileId->Unique = fid->unique;
  98     FileId->Hash = fid->hash;
  99 }
 100
 101 void
 102 RDR_FID2fid( AFSFileID *FileId, cm_fid_t *fid)
 103 {
 104     fid->cell = FileId->Cell;
 105     fid->volume = FileId->Volume;
 106     fid->vnode = FileId->Vnode;
 107     fid->unique = FileId->Unique;
 108     fid->hash = FileId->Hash;
 109 }
 110
 111 DWORD
 112 RDR_SetInitParams( OUT AFSRedirectorInitInfo **ppRedirInitInfo, OUT DWORD * pRedirInitInfoLen )
 113 {
 114     extern char cm_CachePath[];
 115     extern cm_config_data_t cm_data;
 116     extern int smb_hideDotFiles;
 117     size_t cm_CachePathLen = strlen(cm_CachePath);
 118     size_t err;
 119     DWORD TempPathLen = ExpandEnvironmentStringsW(L"%TEMP%", NULL, 0);
 120     MEMORYSTATUSEX memStatus;
 121     DWORD maxMemoryCacheSize;
 122
 123     memStatus.dwLength = sizeof(memStatus);
 124     if (GlobalMemoryStatusEx(&memStatus)) {
 125         /*
 126          * Use the memory extent interface in the afs redirector
 127          * whenever the cache size is less than equal to 10% of
 128          * physical memory.  Do not use too much because this memory
 129          * will be locked by the redirector so it can't be swapped
 130          * out.
 131          */
 132         maxMemoryCacheSize = (DWORD)(memStatus.ullTotalPhys / 1024 / 10);
 133     } else {
 134         /*
 135          * If we can't determine the amount of physical memory
 136          * in the system, be conservative and limit the use of
 137          * memory extent interface to 64MB data caches.
 138          */
 139         maxMemoryCacheSize = 65536;
 140     }
 141
 142     *pRedirInitInfoLen = (DWORD) (sizeof(AFSRedirectorInitInfo) + (cm_CachePathLen + TempPathLen) * sizeof(WCHAR));
 143     *ppRedirInitInfo = (AFSRedirectorInitInfo *)malloc(*pRedirInitInfoLen);
 144     (*ppRedirInitInfo)->Flags = smb_hideDotFiles ? AFS_REDIR_INIT_FLAG_HIDE_DOT_FILES : 0;
 145     (*ppRedirInitInfo)->Flags |= cm_shortNames ? 0 : AFS_REDIR_INIT_FLAG_DISABLE_SHORTNAMES;
 146     (*ppRedirInitInfo)->MaximumChunkLength = cm_data.chunkSize;
 147     (*ppRedirInitInfo)->GlobalFileId.Cell   = cm_data.rootFid.cell;
 148     (*ppRedirInitInfo)->GlobalFileId.Volume = cm_data.rootFid.volume;
 149     (*ppRedirInitInfo)->GlobalFileId.Vnode  = cm_data.rootFid.vnode;
 150     (*ppRedirInitInfo)->GlobalFileId.Unique = cm_data.rootFid.unique;
 151     (*ppRedirInitInfo)->GlobalFileId.Hash   = cm_data.rootFid.hash;
 152     (*ppRedirInitInfo)->ExtentCount.QuadPart = cm_data.buf_nbuffers;
 153     (*ppRedirInitInfo)->CacheBlockSize = cm_data.blockSize;
 154     (*ppRedirInitInfo)->MaxPathLinkCount = MAX_FID_COUNT;
 155     (*ppRedirInitInfo)->NameArrayLength = MAX_FID_COUNT;
 156     if (cm_virtualCache || cm_data.bufferSize <= maxMemoryCacheSize) {
 157         osi_Log0(afsd_logp, "RDR_SetInitParams Initializing Memory Extent Interface");
 158         (*ppRedirInitInfo)->MemoryCacheOffset.QuadPart = (LONGLONG)cm_data.bufDataBaseAddress;
 159         (*ppRedirInitInfo)->MemoryCacheLength.QuadPart = cm_data.bufEndOfData - cm_data.bufDataBaseAddress;
 160         (*ppRedirInitInfo)->CacheFileNameLength = 0;
 161         RDR_extentBaseAddress = cm_data.bufDataBaseAddress;
 162     } else {
 163         (*ppRedirInitInfo)->MemoryCacheOffset.QuadPart = 0;
 164         (*ppRedirInitInfo)->MemoryCacheLength.QuadPart = 0;
 165         (*ppRedirInitInfo)->CacheFileNameLength = (ULONG) (cm_CachePathLen * sizeof(WCHAR));
 166         err = mbstowcs((*ppRedirInitInfo)->CacheFileName, cm_CachePath, (cm_CachePathLen + 1) *sizeof(WCHAR));
 167         if (err == -1) {
 168             free(*ppRedirInitInfo);
 169             osi_Log0(afsd_logp, "RDR_SetInitParams Invalid Object Name");
 170             return STATUS_OBJECT_NAME_INVALID;
 171         }
 172         RDR_extentBaseAddress = cm_data.baseAddress;
 173     }
 174     (*ppRedirInitInfo)->DumpFileLocationOffset = FIELD_OFFSET(AFSRedirectorInitInfo, CacheFileName) + (*ppRedirInitInfo)->CacheFileNameLength;
 175     (*ppRedirInitInfo)->DumpFileLocationLength = (TempPathLen - 1) * sizeof(WCHAR);
 176     ExpandEnvironmentStringsW(L"%TEMP%",
 177                               (LPWSTR)(((PBYTE)(*ppRedirInitInfo)) + (*ppRedirInitInfo)->DumpFileLocationOffset),
 178                               TempPathLen);
 179
 180     osi_Log0(afsd_logp,"RDR_SetInitParams Success");
 181     return 0;
 182 }
 183
 184 static wchar_t cname[MAX_COMPUTERNAME_LENGTH+1] = L"";
 185
 186 cm_user_t *
 187 RDR_GetLocalSystemUser( void)
 188 {
 189     smb_username_t *unp;
 190     cm_user_t *userp = NULL;
 191
 192     if ( cname[0] == '\0') {
 193         int len = MAX_COMPUTERNAME_LENGTH+1;
 194         GetComputerNameW(cname, &len);
 195         _wcsupr(cname);
 196     }
 197     unp = smb_FindUserByName(NTSID_LOCAL_SYSTEM, cname, SMB_FLAG_CREATE);
 198     lock_ObtainMutex(&unp->mx);
 199     if (!unp->userp)
 200         unp->userp = cm_NewUser();
 201     unp->flags |= SMB_USERNAMEFLAG_SID;
 202     lock_ReleaseMutex(&unp->mx);
 203     userp = unp->userp;
 204     cm_HoldUser(userp);
 205     smb_ReleaseUsername(unp);
 206
 207     if (!userp) {
 208         userp = cm_rootUserp;
 209         cm_HoldUser(userp);
 210     }
 211
 212     return userp;
 213 }
 214
 215 cm_user_t *
 216 RDR_UserFromCommRequest( IN AFSCommRequest *RequestBuffer)
 217 {
 218
 219     return RDR_UserFromAuthGroup( &RequestBuffer->AuthGroup);
 220 }
 221
 222 cm_user_t *
 223 RDR_UserFromAuthGroup( IN GUID *pGuid)
 224 {
 225     smb_username_t *unp;
 226     cm_user_t * userp = NULL;
 227     RPC_WSTR UuidString = NULL;
 228
 229     if (UuidToStringW((UUID *)pGuid, &UuidString) != RPC_S_OK)
 230         goto done;
 231
 232     if ( cname[0] == '\0') {
 233         int len = MAX_COMPUTERNAME_LENGTH+1;
 234         GetComputerNameW(cname, &len);
 235         _wcsupr(cname);
 236     }
 237
 238     unp = smb_FindUserByName(UuidString, cname, SMB_FLAG_CREATE);
 239     lock_ObtainMutex(&unp->mx);
 240     if (!unp->userp) {
 241         unp->userp = cm_NewUser();
 242         memcpy(&unp->userp->authgroup, pGuid, sizeof(GUID));
 243     }
 244     unp->flags |= SMB_USERNAMEFLAG_SID;
 245     lock_ReleaseMutex(&unp->mx);
 246     userp = unp->userp;
 247     cm_HoldUser(userp);
 248     smb_ReleaseUsername(unp);
 249
 250   done:
 251     if (!userp) {
 252         userp = cm_rootUserp;
 253         cm_HoldUser(userp);
 254     }
 255
 256     osi_Log2(afsd_logp, "RDR_UserFromCommRequest Guid %S userp = 0x%p",
 257              osi_LogSaveStringW(afsd_logp, UuidString),
 258              userp);
 259
 260     if (UuidString)
 261         RpcStringFreeW(&UuidString);
 262
 263     return userp;
 264 }
 265
 266 void
 267 RDR_ReleaseUser( IN cm_user_t *userp )
 268 {
 269     osi_Log1(afsd_logp, "RDR_ReleaseUser userp = 0x%p", userp);
 270     cm_ReleaseUser(userp);
 271 }
 272
 273
 274 /*
 275  * RDR_FlagScpInUse flags the scp with CM_SCACHEFLAG_RDR_IN_USE
 276  */
 277 static void
 278 RDR_FlagScpInUse( IN cm_scache_t *scp, IN BOOL bLocked )
 279 {
 280     if (!bLocked)
 281         lock_ObtainWrite(&scp->rw);
 282
 283     lock_AssertWrite(&scp->rw);
 284     scp->flags |= CM_SCACHEFLAG_RDR_IN_USE;
 285
 286     if (!bLocked)
 287         lock_ReleaseWrite(&scp->rw);
 288 }
 289
 290 /*
 291  * Obtain the status information for the specified object using
 292  * an inline bulk status rpc.  cm_BPlusDirEnumBulkStatOne() will
 293  * obtain current status for the directory object, the object
 294  * which is the focus of the inquiry and as many other objects
 295  * in the directory for which there are not callbacks registered
 296  * since we are likely to be asked for other objects in the directory.
 297  */
 298 static afs_uint32
 299 RDR_BulkStatLookup( cm_scache_t *dscp,
 300                     cm_scache_t *scp,
 301                     cm_user_t   *userp,
 302                     cm_req_t    *reqp)
 303 {
 304     cm_direnum_t *      enump = NULL;
 305     afs_uint32  code = 0;
 306     cm_dirOp_t    dirop;
 307
 308     code = cm_BeginDirOp(dscp, userp, reqp, CM_DIRLOCK_READ, CM_DIROP_FLAG_NONE, &dirop);
 309     if (code == 0) {
 310         code = cm_BPlusDirEnumerate(dscp, userp, reqp, TRUE, NULL, TRUE, &enump);
 311         if (code) {
 312             osi_Log1(afsd_logp, "RDR_BulkStatLookup cm_BPlusDirEnumerate failure code=0x%x",
 313                       code);
 314         }
 315         cm_EndDirOp(&dirop);
 316     } else {
 317         osi_Log1(afsd_logp, "RDR_BulkStatLookup cm_BeginDirOp failure code=0x%x",
 318                   code);
 319     }
 320
 321     if (enump)
 322     {
 323         code = cm_BPlusDirEnumBulkStatOne(enump, scp);
 324         if (code) {
 325             osi_Log1(afsd_logp, "RDR_BulkStatLookup cm_BPlusDirEnumBulkStatOne failure code=0x%x",
 326                       code);
 327         }
 328         cm_BPlusDirFreeEnumeration(enump);
 329     }
 330
 331     return code;
 332 }
 333
 334
 335 #define RDR_POP_FOLLOW_MOUNTPOINTS 0x01
 336 #define RDR_POP_EVALUATE_SYMLINKS  0x02
 337 #define RDR_POP_WOW64              0x04
 338 #define RDR_POP_NO_GETSTATUS       0x08
 339
 340 static afs_uint32
 341 RDR_PopulateCurrentEntry( IN  AFSDirEnumEntry * pCurrentEntry,
 342                           IN  DWORD             dwMaxEntryLength,
 343                           IN  cm_scache_t     * dscp,
 344                           IN  cm_scache_t     * scp,
 345                           IN  cm_user_t       * userp,
 346                           IN  cm_req_t        * reqp,
 347                           IN  wchar_t         * name,
 348                           IN  wchar_t         * shortName,
 349                           IN  DWORD             dwFlags,
 350                           IN  afs_uint32        cmError,
 351                           OUT AFSDirEnumEntry **ppNextEntry,
 352                           OUT DWORD           * pdwRemainingLength)
 353 {
 354     FILETIME ft;
 355     WCHAR *  wname, *wtarget;
 356     size_t   len;
 357     DWORD      dwEntryLength;
 358     afs_uint32 code = 0, code2 = 0;
 359     BOOL          bMustFake = FALSE;
 360
 361     osi_Log5(afsd_logp, "RDR_PopulateCurrentEntry dscp=0x%p scp=0x%p name=%S short=%S flags=0x%x",
 362              dscp, scp, osi_LogSaveStringW(afsd_logp, name),
 363              osi_LogSaveStringW(afsd_logp, shortName), dwFlags);
 364     osi_Log1(afsd_logp, "... maxLength=%d", dwMaxEntryLength);
 365
 366     if (dwMaxEntryLength < sizeof(AFSDirEnumEntry) + (MAX_PATH + MOUNTPOINTLEN) * sizeof(wchar_t)) {
 367         if (ppNextEntry)
 368             *ppNextEntry = pCurrentEntry;
 369         if (pdwRemainingLength)
 370             *pdwRemainingLength = dwMaxEntryLength;
 371         osi_Log2(afsd_logp, "RDR_PopulateCurrentEntry Not Enough Room for Entry %d < %d",
 372                  dwMaxEntryLength, sizeof(AFSDirEnumEntry) + (MAX_PATH + MOUNTPOINTLEN) * sizeof(wchar_t));
 373         return CM_ERROR_TOOBIG;
 374     }
 375
 376     if (!name)
 377         name = L"";
 378     if (!shortName)
 379         shortName = L"";
 380
 381     dwEntryLength = sizeof(AFSDirEnumEntry);
 382
 383     lock_ObtainWrite(&scp->rw);
 384     if (dwFlags & RDR_POP_NO_GETSTATUS) {
 385         if (!cm_HaveCallback(scp))
 386             bMustFake = TRUE;
 387     } else {
 388 #ifdef AFS_FREELANCE_CLIENT
 389         if (scp->fid.cell == AFS_FAKE_ROOT_CELL_ID && scp->fid.volume == AFS_FAKE_ROOT_VOL_ID) {
 390             /*
 391              * If the FID is from the Freelance Local Root always perform
 392              * a single item status check.
 393              */
 394             code = cm_SyncOp( scp, NULL, userp, reqp, 0,
 395                               CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
 396             if (code) {
 397                 lock_ReleaseWrite(&scp->rw);
 398                 osi_Log2(afsd_logp, "RDR_PopulateCurrentEntry cm_SyncOp failed for scp=0x%p code=0x%x",
 399                          scp, code);
 400                 return code;
 401             }
 402         } else
 403 #endif
 404         {
 405             /*
 406              * For non-Freelance objects, check to see if we have current
 407              * status information.  If not, perform a bulk status lookup of multiple
 408              * entries in order to reduce the number of RPCs issued to the file server.
 409              */
 410             if (cm_EAccesFindEntry(userp, &scp->fid))
 411                 bMustFake = TRUE;
 412             else if (!cm_HaveCallback(scp)) {
 413                 lock_ReleaseWrite(&scp->rw);
 414                 code = RDR_BulkStatLookup(dscp, scp, userp, reqp);
 415                 if (code) {
 416                     osi_Log2(afsd_logp, "RDR_PopulateCurrentEntry RDR_BulkStatLookup failed for scp=0x%p code=0x%x",
 417                              scp, code);
 418                     return code;
 419                 }
 420                 lock_ObtainWrite(&scp->rw);
 421                 /*
 422                  * RDR_BulkStatLookup can succeed but it may be the case that there
 423                  * still is not valid status info.  If we get this far, generate fake
 424                  * status info.
 425                  */
 426                 if (!cm_HaveCallback(scp))
 427                     bMustFake = TRUE;
 428             }
 429         }
 430     }
 431
 432     /* Populate the error code */
 433     smb_MapNTError(cmError, &pCurrentEntry->NTStatus, TRUE);
 434
 435     /* Populate the real or fake data */
 436     pCurrentEntry->FileId.Cell = scp->fid.cell;
 437     pCurrentEntry->FileId.Volume = scp->fid.volume;
 438     pCurrentEntry->FileId.Vnode = scp->fid.vnode;
 439     pCurrentEntry->FileId.Unique = scp->fid.unique;
 440     pCurrentEntry->FileId.Hash = scp->fid.hash;
 441
 442     pCurrentEntry->FileType = scp->fileType;
 443
 444     pCurrentEntry->DataVersion.QuadPart = scp->dataVersion;
 445
 446     if (scp->fid.cell==AFS_FAKE_ROOT_CELL_ID &&
 447         scp->fid.volume==AFS_FAKE_ROOT_VOL_ID) {
 448         cm_LargeSearchTimeFromUnixTime(&ft, MAX_AFS_UINT32);
 449     } else {
 450         cm_LargeSearchTimeFromUnixTime(&ft, scp->cbExpires);
 451     }
 452     pCurrentEntry->Expiration.LowPart = ft.dwLowDateTime;
 453     pCurrentEntry->Expiration.HighPart = ft.dwHighDateTime;
 454
 455     if (bMustFake) {
 456         /* 1969-12-31 23:59:59 +00 */
 457         ft.dwHighDateTime = 0x19DB200;
 458         ft.dwLowDateTime = 0x5BB78980;
 459     } else
 460         cm_LargeSearchTimeFromUnixTime(&ft, scp->clientModTime);
 461     pCurrentEntry->CreationTime.LowPart = ft.dwLowDateTime;
 462     pCurrentEntry->CreationTime.HighPart = ft.dwHighDateTime;
 463     pCurrentEntry->LastAccessTime = pCurrentEntry->CreationTime;
 464     pCurrentEntry->LastWriteTime = pCurrentEntry->CreationTime;
 465     pCurrentEntry->ChangeTime = pCurrentEntry->CreationTime;
 466
 467     pCurrentEntry->EndOfFile = scp->length;
 468     pCurrentEntry->AllocationSize = scp->length;
 469
 470     if (bMustFake) {
 471         switch (scp->fileType) {
 472         case CM_SCACHETYPE_DIRECTORY:
 473             pCurrentEntry->FileAttributes = SMB_ATTR_DIRECTORY;
 474             break;
 475         case CM_SCACHETYPE_MOUNTPOINT:
 476         case CM_SCACHETYPE_INVALID:
 477             pCurrentEntry->FileAttributes = SMB_ATTR_DIRECTORY | SMB_ATTR_REPARSE_POINT;
 478             break;
 479         case CM_SCACHETYPE_SYMLINK:
 480             if (cm_TargetPerceivedAsDirectory(scp->mountPointStringp))
 481                 pCurrentEntry->FileAttributes = SMB_ATTR_DIRECTORY | SMB_ATTR_REPARSE_POINT;
 482             else
 483                 pCurrentEntry->FileAttributes = SMB_ATTR_REPARSE_POINT;
 484             break;
 485         default:
 486             /* if we get here we either have a normal file
 487             * or we have a file for which we have never
 488             * received status info.  In this case, we can
 489             * check the even/odd value of the entry's vnode.
 490             * odd means it is to be treated as a directory
 491             * and even means it is to be treated as a file.
 492             */
 493             if (scp->fid.vnode & 0x1)
 494                 pCurrentEntry->FileAttributes = SMB_ATTR_DIRECTORY;
 495             else
 496                 pCurrentEntry->FileAttributes = SMB_ATTR_NORMAL;
 497         }
 498     } else
 499         pCurrentEntry->FileAttributes = smb_ExtAttributes(scp);
 500     pCurrentEntry->EaSize = 0;
 501     pCurrentEntry->Links = scp->linkCount;
 502
 503     len = wcslen(shortName);
 504     wcsncpy(pCurrentEntry->ShortName, shortName, len);
 505     pCurrentEntry->ShortNameLength = (CCHAR)(len * sizeof(WCHAR));
 506
 507     pCurrentEntry->FileNameOffset = sizeof(AFSDirEnumEntry);
 508     len = wcslen(name);
 509     wname = (WCHAR *)((PBYTE)pCurrentEntry + pCurrentEntry->FileNameOffset);
 510     wcsncpy(wname, name, len);
 511     pCurrentEntry->FileNameLength = (ULONG)(sizeof(WCHAR) * len);
 512
 513     osi_Log3(afsd_logp, "RDR_PopulateCurrentEntry scp=0x%p fileType=%d dv=%u",
 514               scp, scp->fileType, (afs_uint32)scp->dataVersion);
 515
 516     if (!(dwFlags & RDR_POP_NO_GETSTATUS))
 517         cm_SyncOpDone( scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
 518
 519     if ((dwFlags & RDR_POP_NO_GETSTATUS) || !cm_HaveCallback(scp)) {
 520         pCurrentEntry->TargetNameOffset = 0;
 521         pCurrentEntry->TargetNameLength = 0;
 522     }
 523     else
 524     switch (scp->fileType) {
 525     case CM_SCACHETYPE_MOUNTPOINT:
 526         if (dwFlags & RDR_POP_FOLLOW_MOUNTPOINTS) {
 527             if ((code2 = cm_ReadMountPoint(scp, userp, reqp)) == 0) {
 528                 cm_scache_t *targetScp = NULL;
 529
 530                 pCurrentEntry->TargetNameOffset = pCurrentEntry->FileNameOffset + pCurrentEntry->FileNameLength;
 531                 len = strlen(scp->mountPointStringp);
 532                 wtarget = (WCHAR *)((PBYTE)pCurrentEntry + pCurrentEntry->TargetNameOffset);
 533
 534 #ifdef UNICODE
 535                 cch = MultiByteToWideChar( CP_UTF8, 0, scp->mountPointStringp,
 536                                            len * sizeof(char),
 537                                            wtarget,
 538                                            len * sizeof(WCHAR));
 539 #else
 540                 mbstowcs(wtarget, scp->mountPointStringp, len);
 541 #endif
 542                 pCurrentEntry->TargetNameLength = (ULONG)(sizeof(WCHAR) * len);
 543
 544                 code2 = cm_FollowMountPoint(scp, dscp, userp, reqp, &targetScp);
 545
 546                 if (code2 == 0) {
 547                     pCurrentEntry->TargetFileId.Cell = targetScp->fid.cell;
 548                     pCurrentEntry->TargetFileId.Volume = targetScp->fid.volume;
 549                     pCurrentEntry->TargetFileId.Vnode = targetScp->fid.vnode;
 550                     pCurrentEntry->TargetFileId.Unique = targetScp->fid.unique;
 551                     pCurrentEntry->TargetFileId.Hash = targetScp->fid.hash;
 552
 553                     osi_Log4(afsd_logp, "RDR_PopulateCurrentEntry target FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
 554                               pCurrentEntry->TargetFileId.Cell, pCurrentEntry->TargetFileId.Volume,
 555                               pCurrentEntry->TargetFileId.Vnode, pCurrentEntry->TargetFileId.Unique);
 556
 557                     cm_ReleaseSCache(targetScp);
 558                 } else {
 559                     osi_Log2(afsd_logp, "RDR_PopulateCurrentEntry cm_FollowMountPoint failed scp=0x%p code=0x%x",
 560                               scp, code2);
 561                 }
 562             } else {
 563                 osi_Log2(afsd_logp, "RDR_PopulateCurrentEntry cm_ReadMountPoint failed scp=0x%p code=0x%x",
 564                           scp, code2);
 565             }
 566         }
 567         break;
 568     case CM_SCACHETYPE_SYMLINK:
 569     case CM_SCACHETYPE_DFSLINK:
 570         {
 571             pCurrentEntry->TargetNameOffset = pCurrentEntry->FileNameOffset + pCurrentEntry->FileNameLength;
 572             wtarget = (WCHAR *)((PBYTE)pCurrentEntry + pCurrentEntry->TargetNameOffset);
 573
 574             if (dwFlags & RDR_POP_EVALUATE_SYMLINKS) {
 575                 char * mp;
 576
 577                 code2 = cm_HandleLink(scp, userp, reqp);
 578                 if (code2 == 0) {
 579                     mp = scp->mountPointStringp;
 580                     len = strlen(mp);
 581                     if ( len != 0 ) {
 582                         /* Strip off the msdfs: prefix from the target name for the file system */
 583                         if (scp->fileType == CM_SCACHETYPE_DFSLINK) {
 584                             osi_Log0(afsd_logp, "RDR_PopulateCurrentEntry DFSLink Detected");
 585                             pCurrentEntry->FileType = scp->fileType;
 586
 587                             if (!strncmp("msdfs:", mp, 6)) {
 588                                 mp += 6;
 589                                 len -= 6;
 590                             }
 591                         }
 592                         /* only send one slash to the redirector */
 593                         if (mp[0] == '\\' && mp[1] == '\\') {
 594                             mp++;
 595                             len--;
 596                         }
 597 #ifdef UNICODE
 598                         cch = MultiByteToWideChar( CP_UTF8, 0, mp,
 599                                                    len * sizeof(char),
 600                                                    wtarget,
 601                                                    len * sizeof(WCHAR));
 602 #else
 603                         mbstowcs(wtarget, mp, len);
 604 #endif
 605                     }
 606                     pCurrentEntry->TargetNameLength = (ULONG)(sizeof(WCHAR) * len);
 607                 } else {
 608                     osi_Log2(afsd_logp, "RDR_PopulateCurrentEntry cm_HandleLink failed scp=0x%p code=0x%x",
 609                              scp, code2);
 610                 }
 611             }
 612
 613         }
 614         break;
 615
 616     default:
 617         pCurrentEntry->TargetNameOffset = 0;
 618         pCurrentEntry->TargetNameLength = 0;
 619     }
 620     lock_ReleaseWrite(&scp->rw);
 621
 622     dwEntryLength += pCurrentEntry->FileNameLength + pCurrentEntry->TargetNameLength;
 623     dwEntryLength += (dwEntryLength % 8) ? 8 - (dwEntryLength % 8) : 0;   /* quad align */
 624     if (ppNextEntry)
 625         *ppNextEntry = (AFSDirEnumEntry *)((PBYTE)pCurrentEntry + dwEntryLength);
 626     if (pdwRemainingLength)
 627         *pdwRemainingLength = dwMaxEntryLength - dwEntryLength;
 628
 629     osi_Log3(afsd_logp, "RDR_PopulateCurrentEntry Success FileNameLength=%d TargetNameLength=%d RemainingLength=%d",
 630               pCurrentEntry->FileNameLength, pCurrentEntry->TargetNameLength, *pdwRemainingLength);
 631
 632     return code;
 633 }
 634
 635 static afs_uint32
 636 RDR_PopulateCurrentEntryNoScp( IN  AFSDirEnumEntry * pCurrentEntry,
 637                                IN  DWORD             dwMaxEntryLength,
 638                                IN  cm_scache_t     * dscp,
 639                                IN  cm_fid_t        * fidp,
 640                                IN  cm_user_t       * userp,
 641                                IN  cm_req_t        * reqp,
 642                                IN  wchar_t         * name,
 643                                IN  wchar_t         * shortName,
 644                                IN  DWORD             dwFlags,
 645                                IN  afs_uint32        cmError,
 646                                OUT AFSDirEnumEntry **ppNextEntry,
 647                                OUT DWORD           * pdwRemainingLength)
 648 {
 649     FILETIME ft;
 650     WCHAR *  wname;
 651     size_t   len;
 652     DWORD      dwEntryLength;
 653     afs_uint32 code = 0, code2 = 0;
 654
 655     osi_Log4(afsd_logp, "RDR_PopulateCurrentEntryNoEntry dscp=0x%p name=%S short=%S flags=0x%x",
 656              dscp, osi_LogSaveStringW(afsd_logp, name),
 657              osi_LogSaveStringW(afsd_logp, shortName), dwFlags);
 658     osi_Log1(afsd_logp, "... maxLength=%d", dwMaxEntryLength);
 659
 660     if (dwMaxEntryLength < sizeof(AFSDirEnumEntry) + (MAX_PATH + MOUNTPOINTLEN) * sizeof(wchar_t)) {
 661         if (ppNextEntry)
 662             *ppNextEntry = pCurrentEntry;
 663         if (pdwRemainingLength)
 664             *pdwRemainingLength = dwMaxEntryLength;
 665         osi_Log2(afsd_logp, "RDR_PopulateCurrentEntryNoEntry Not Enough Room for Entry %d < %d",
 666                  dwMaxEntryLength, sizeof(AFSDirEnumEntry) + (MAX_PATH + MOUNTPOINTLEN) * sizeof(wchar_t));
 667         return CM_ERROR_TOOBIG;
 668     }
 669
 670     if (!name)
 671         name = L"";
 672     if (!shortName)
 673         shortName = L"";
 674
 675     dwEntryLength = sizeof(AFSDirEnumEntry);
 676
 677     /* Populate the error code */
 678     smb_MapNTError(cmError, &pCurrentEntry->NTStatus, TRUE);
 679
 680     /* Populate the fake data */
 681     pCurrentEntry->FileId.Cell = fidp->cell;
 682     pCurrentEntry->FileId.Volume = fidp->volume;
 683     pCurrentEntry->FileId.Vnode = fidp->vnode;
 684     pCurrentEntry->FileId.Unique = fidp->unique;
 685     pCurrentEntry->FileId.Hash = fidp->hash;
 686
 687     pCurrentEntry->FileType = CM_SCACHETYPE_UNKNOWN;
 688
 689     pCurrentEntry->DataVersion.QuadPart = CM_SCACHE_VERSION_BAD;
 690
 691     cm_LargeSearchTimeFromUnixTime(&ft, 0);
 692     pCurrentEntry->Expiration.LowPart = ft.dwLowDateTime;
 693     pCurrentEntry->Expiration.HighPart = ft.dwHighDateTime;
 694
 695     cm_LargeSearchTimeFromUnixTime(&ft, 0);
 696     pCurrentEntry->CreationTime.LowPart = ft.dwLowDateTime;
 697     pCurrentEntry->CreationTime.HighPart = ft.dwHighDateTime;
 698     pCurrentEntry->LastAccessTime = pCurrentEntry->CreationTime;
 699     pCurrentEntry->LastWriteTime = pCurrentEntry->CreationTime;
 700     pCurrentEntry->ChangeTime = pCurrentEntry->CreationTime;
 701
 702     pCurrentEntry->EndOfFile.QuadPart = 0;
 703     pCurrentEntry->AllocationSize.QuadPart = 0;
 704     pCurrentEntry->FileAttributes = 0;
 705     pCurrentEntry->EaSize = 0;
 706     pCurrentEntry->Links = 0;
 707
 708     len = wcslen(shortName);
 709     wcsncpy(pCurrentEntry->ShortName, shortName, len);
 710     pCurrentEntry->ShortNameLength = (CCHAR)(len * sizeof(WCHAR));
 711
 712     pCurrentEntry->FileNameOffset = sizeof(AFSDirEnumEntry);
 713     len = wcslen(name);
 714     wname = (WCHAR *)((PBYTE)pCurrentEntry + pCurrentEntry->FileNameOffset);
 715     wcsncpy(wname, name, len);
 716     pCurrentEntry->FileNameLength = (ULONG)(sizeof(WCHAR) * len);
 717
 718     pCurrentEntry->TargetNameOffset = 0;
 719     pCurrentEntry->TargetNameLength = 0;
 720
 721     dwEntryLength += pCurrentEntry->FileNameLength + pCurrentEntry->TargetNameLength;
 722     dwEntryLength += (dwEntryLength % 8) ? 8 - (dwEntryLength % 8) : 0;   /* quad align */
 723     if (ppNextEntry)
 724         *ppNextEntry = (AFSDirEnumEntry *)((PBYTE)pCurrentEntry + dwEntryLength);
 725     if (pdwRemainingLength)
 726         *pdwRemainingLength = dwMaxEntryLength - dwEntryLength;
 727
 728     osi_Log3(afsd_logp, "RDR_PopulateCurrentEntryNoScp Success FileNameLength=%d TargetNameLength=%d RemainingLength=%d",
 729               pCurrentEntry->FileNameLength, pCurrentEntry->TargetNameLength, *pdwRemainingLength);
 730
 731     return code;
 732 }
 733
 734 void
 735 RDR_EnumerateDirectory( IN cm_user_t *userp,
 736                         IN AFSFileID DirID,
 737                         IN AFSDirQueryCB *QueryCB,
 738                         IN BOOL bWow64,
 739                         IN BOOL bSkipStatus,
 740                         IN DWORD ResultBufferLength,
 741                         IN OUT AFSCommResult **ResultCB)
 742 {
 743     DWORD status;
 744     cm_direnum_t *      enump = NULL;
 745     AFSDirEnumResp  * pDirEnumResp;
 746     AFSDirEnumEntry * pCurrentEntry;
 747     size_t size = ResultBufferLength ? sizeof(AFSCommResult) + ResultBufferLength - 1 : sizeof(AFSCommResult);
 748     DWORD             dwMaxEntryLength;
 749     afs_uint32  code = 0;
 750     cm_fid_t      fid;
 751     cm_scache_t * dscp = NULL;
 752     cm_req_t      req;
 753
 754     RDR_InitReq(&req, bWow64);
 755
 756     osi_Log4(afsd_logp, "RDR_EnumerateDirectory FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
 757              DirID.Cell, DirID.Volume, DirID.Vnode, DirID.Unique);
 758
 759     *ResultCB = (AFSCommResult *)malloc(size);
 760     if (!(*ResultCB)) {
 761         osi_Log0(afsd_logp, "RDR_EnumerateDirectory Out of Memory");
 762         return;
 763     }
 764
 765     memset(*ResultCB, 0, size);
 766
 767     if (QueryCB->EnumHandle == (ULONG_PTR)-1) {
 768         osi_Log0(afsd_logp, "RDR_EnumerateDirectory No More Entries");
 769         (*ResultCB)->ResultStatus = STATUS_NO_MORE_ENTRIES;
 770         (*ResultCB)->ResultBufferLength = 0;
 771         return;
 772     }
 773
 774     (*ResultCB)->ResultBufferLength = dwMaxEntryLength = ResultBufferLength;
 775     if (ResultBufferLength) {
 776         pDirEnumResp = (AFSDirEnumResp *)&(*ResultCB)->ResultData;
 777         pCurrentEntry = (AFSDirEnumEntry *)&pDirEnumResp->Entry;
 778         dwMaxEntryLength -= FIELD_OFFSET( AFSDirEnumResp, Entry);      /* AFSDirEnumResp */
 779     }
 780
 781     if (DirID.Cell != 0) {
 782         fid.cell   = DirID.Cell;
 783         fid.volume = DirID.Volume;
 784         fid.vnode  = DirID.Vnode;
 785         fid.unique = DirID.Unique;
 786         fid.hash   = DirID.Hash;
 787
 788         code = cm_GetSCache(&fid, NULL, &dscp, userp, &req);
 789         if (code) {
 790             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
 791             (*ResultCB)->ResultStatus = status;
 792             osi_Log2(afsd_logp, "RDR_EnumerateDirectory cm_GetSCache failure code=0x%x status=0x%x",
 793                       code, status);
 794             return;
 795         }
 796     } else {
 797         (*ResultCB)->ResultStatus = STATUS_OBJECT_NAME_INVALID;
 798         osi_Log0(afsd_logp, "RDR_EnumerateDirectory Object Name Invalid - Cell = 0");
 799         return;
 800     }
 801
 802     /* get the directory size */
 803     lock_ObtainWrite(&dscp->rw);
 804     code = cm_SyncOp(dscp, NULL, userp, &req, PRSFS_LOOKUP,
 805                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
 806     if (code) {
 807         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
 808         (*ResultCB)->ResultStatus = status;
 809         lock_ReleaseWrite(&dscp->rw);
 810         cm_ReleaseSCache(dscp);
 811         osi_Log2(afsd_logp, "RDR_EnumerateDirectory cm_SyncOp failure code=0x%x status=0x%x",
 812                   code, status);
 813         return;
 814     }
 815
 816     cm_SyncOpDone(dscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
 817     lock_ReleaseWrite(&dscp->rw);
 818
 819     if (dscp->fileType != CM_SCACHETYPE_DIRECTORY) {
 820         (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
 821         cm_ReleaseSCache(dscp);
 822         osi_Log1(afsd_logp, "RDR_EnumerateDirectory Not a Directory dscp=0x%p",
 823                  dscp);
 824         return;
 825     }
 826
 827     osi_Log1(afsd_logp, "RDR_EnumerateDirectory dv=%u", (afs_uint32)dscp->dataVersion);
 828
 829     /*
 830      * If there is no enumeration handle, then this is a new query
 831      * and we must perform an enumeration for the specified object.
 832      */
 833     if (QueryCB->EnumHandle == (ULONG_PTR)NULL) {
 834         cm_dirOp_t    dirop;
 835
 836         code = cm_BeginDirOp(dscp, userp, &req, CM_DIRLOCK_READ, CM_DIROP_FLAG_NONE, &dirop);
 837         if (code == 0) {
 838             code = cm_BPlusDirEnumerate(dscp, userp, &req,
 839                                         TRUE /* dir locked */, NULL /* no mask */,
 840                                         TRUE /* fetch status? */, &enump);
 841             if (code) {
 842                 osi_Log1(afsd_logp, "RDR_EnumerateDirectory cm_BPlusDirEnumerate failure code=0x%x",
 843                           code);
 844             }
 845             cm_EndDirOp(&dirop);
 846         } else {
 847             osi_Log1(afsd_logp, "RDR_EnumerateDirectory cm_BeginDirOp failure code=0x%x",
 848                       code);
 849         }
 850     } else {
 851         enump = (cm_direnum_t *)QueryCB->EnumHandle;
 852     }
 853
 854     if (enump) {
 855         if (ResultBufferLength == 0) {
 856             code = cm_BPlusDirEnumBulkStat(enump);
 857             if (code) {
 858                 osi_Log1(afsd_logp, "RDR_EnumerateDirectory cm_BPlusDirEnumBulkStat failure code=0x%x",
 859                           code);
 860             }
 861         } else {
 862             cm_direnum_entry_t * entryp = NULL;
 863
 864             pDirEnumResp->SnapshotDataVersion.QuadPart = enump->dataVersion;
 865
 866           getnextentry:
 867             if (dwMaxEntryLength < sizeof(AFSDirEnumEntry) + (MAX_PATH + MOUNTPOINTLEN) * sizeof(wchar_t)) {
 868                 osi_Log0(afsd_logp, "RDR_EnumerateDirectory out of space, returning");
 869                 goto outofspace;
 870             }
 871
 872             code = cm_BPlusDirNextEnumEntry(enump, &entryp);
 873
 874             if ((code == 0 || code == CM_ERROR_STOPNOW) && entryp) {
 875                 cm_scache_t *scp = NULL;
 876                 int stopnow = (code == CM_ERROR_STOPNOW);
 877
 878                 if ( !wcscmp(L".", entryp->name) || !wcscmp(L"..", entryp->name) ) {
 879                     osi_Log0(afsd_logp, "RDR_EnumerateDirectory skipping . or ..");
 880                     if (stopnow)
 881                         goto outofspace;
 882                     goto getnextentry;
 883                 }
 884
 885                 if (bSkipStatus) {
 886                     code = cm_GetSCache(&entryp->fid, &dscp->fid, &scp, userp, &req);
 887                     if (code) {
 888                         osi_Log5(afsd_logp, "RDR_EnumerateDirectory cm_GetSCache failure cell %u vol %u vnode %u uniq %u code=0x%x",
 889                                  entryp->fid.cell, entryp->fid.volume, entryp->fid.vnode, entryp->fid.unique, code);
 890                     }
 891                 } else {
 892                     code = entryp->errorCode;
 893                     scp = code ? NULL : cm_FindSCache(&entryp->fid);
 894                 }
 895
 896                 if (scp) {
 897                     code = RDR_PopulateCurrentEntry( pCurrentEntry, dwMaxEntryLength,
 898                                                      dscp, scp, userp, &req,
 899                                                      entryp->name,
 900                                                      cm_shortNames && cm_Is8Dot3(entryp->name) ? NULL : entryp->shortName,
 901                                                      (bWow64 ? RDR_POP_WOW64 : 0) |
 902                                                      (bSkipStatus ? RDR_POP_NO_GETSTATUS : 0),
 903                                                      code,
 904                                                      &pCurrentEntry, &dwMaxEntryLength);
 905                     cm_ReleaseSCache(scp);
 906                 } else {
 907                     code = RDR_PopulateCurrentEntryNoScp( pCurrentEntry, dwMaxEntryLength,
 908                                                           dscp, &entryp->fid, userp, &req,
 909                                                           entryp->name,
 910                                                           cm_shortNames && cm_Is8Dot3(entryp->name) ? NULL : entryp->shortName,
 911                                                           (bWow64 ? RDR_POP_WOW64 : 0),
 912                                                           code,
 913                                                           &pCurrentEntry, &dwMaxEntryLength);
 914                 }
 915                 if (stopnow)
 916                     goto outofspace;
 917                 goto getnextentry;
 918             }
 919         }
 920     }
 921
 922   outofspace:
 923
 924     if (code || enump->next == enump->count || ResultBufferLength == 0) {
 925         cm_BPlusDirFreeEnumeration(enump);
 926         enump = (cm_direnum_t *)(ULONG_PTR)-1;
 927     }
 928
 929     if (code == 0 || code == CM_ERROR_STOPNOW) {
 930         (*ResultCB)->ResultStatus = STATUS_SUCCESS;
 931         osi_Log0(afsd_logp, "RDR_EnumerateDirectory SUCCESS");
 932     } else {
 933         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
 934         (*ResultCB)->ResultStatus = status;
 935         osi_Log2(afsd_logp, "RDR_EnumerateDirectory Failure code=0x%x status=0x%x",
 936                   code, status);
 937     }
 938
 939     if (ResultBufferLength) {
 940         (*ResultCB)->ResultBufferLength = ResultBufferLength - dwMaxEntryLength;
 941
 942         pDirEnumResp->EnumHandle = (ULONG_PTR) enump;
 943         pDirEnumResp->CurrentDataVersion.QuadPart = dscp->dataVersion;
 944     }
 945
 946     if (dscp)
 947         cm_ReleaseSCache(dscp);
 948
 949     return;
 950 }
 951
 952 void
 953 RDR_EvaluateNodeByName( IN cm_user_t *userp,
 954                         IN AFSFileID ParentID,
 955                         IN WCHAR   *FileNameCounted,
 956                         IN DWORD    FileNameLength,
 957                         IN BOOL     CaseSensitive,
 958                         IN BOOL     bWow64,
 959                         IN BOOL     bHoldFid,
 960                         IN BOOL     bNoFollow,
 961                         IN DWORD    ResultBufferLength,
 962                         IN OUT AFSCommResult **ResultCB)
 963 {
 964     AFSFileEvalResultCB *pEvalResultCB = NULL;
 965     AFSDirEnumEntry * pCurrentEntry;
 966     size_t size = ResultBufferLength ? sizeof(AFSCommResult) + ResultBufferLength - 1 : sizeof(AFSCommResult);
 967     afs_uint32  code = 0;
 968     cm_scache_t * scp = NULL;
 969     cm_scache_t * dscp = NULL;
 970     cm_req_t      req;
 971     cm_fid_t      parentFid;
 972     DWORD         status;
 973     DWORD         dwRemaining;
 974     WCHAR       * wszName = NULL;
 975     size_t        cbName;
 976     BOOL          bVol = FALSE;
 977     wchar_t       FileName[260];
 978
 979     StringCchCopyNW(FileName, 260, FileNameCounted, FileNameLength / sizeof(WCHAR));
 980
 981     RDR_InitReq(&req, bWow64);
 982
 983     osi_Log4(afsd_logp, "RDR_EvaluateNodeByName parent FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
 984              ParentID.Cell, ParentID.Volume, ParentID.Vnode, ParentID.Unique);
 985
 986     /* Allocate enough room to add a volume prefix if necessary */
 987     cbName = FileNameLength + (CM_PREFIX_VOL_CCH + 64) * sizeof(WCHAR);
 988     wszName = malloc(cbName);
 989     if (!wszName) {
 990         osi_Log0(afsd_logp, "RDR_EvaluateNodeByName Out of Memory");
 991         return;
 992     }
 993     StringCbCopyNW(wszName, cbName, FileName, FileNameLength);
 994     osi_Log1(afsd_logp, "... name=%S", osi_LogSaveStringW(afsd_logp, wszName));
 995
 996     *ResultCB = (AFSCommResult *)malloc(size);
 997     if (!(*ResultCB)) {
 998         osi_Log0(afsd_logp, "RDR_EvaluateNodeByName Out of Memory");
 999         free(wszName);
1000         return;
1001     }
1002
1003     memset(*ResultCB, 0, size);
1004     (*ResultCB)->ResultBufferLength = 0;
1005     dwRemaining = ResultBufferLength;
1006     if (ResultBufferLength >= sizeof( AFSFileEvalResultCB)) {
1007         pEvalResultCB = (AFSFileEvalResultCB *)&(*ResultCB)->ResultData;
1008         pCurrentEntry = &pEvalResultCB->DirEnum;
1009         dwRemaining -= (sizeof( AFSFileEvalResultCB) - sizeof( AFSDirEnumEntry));
1010     }
1011
1012     if (ParentID.Cell != 0) {
1013         parentFid.cell   = ParentID.Cell;
1014         parentFid.volume = ParentID.Volume;
1015         parentFid.vnode  = ParentID.Vnode;
1016         parentFid.unique = ParentID.Unique;
1017         parentFid.hash   = ParentID.Hash;
1018
1019         code = cm_GetSCache(&parentFid, NULL, &dscp, userp, &req);
1020         if (code) {
1021             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1022             (*ResultCB)->ResultStatus = status;
1023             if ( status == STATUS_INVALID_HANDLE)
1024                 status = STATUS_OBJECT_PATH_INVALID;
1025             osi_Log2(afsd_logp, "RDR_EvaluateNodeByName cm_GetSCache parentFID failure code=0x%x status=0x%x",
1026                       code, status);
1027             free(wszName);
1028             return;
1029         }
1030     } else {
1031         (*ResultCB)->ResultStatus = STATUS_OBJECT_NAME_INVALID;
1032         osi_Log0(afsd_logp, "RDR_EvaluateNodeByName Object Name Invalid - Cell = 0");
1033         return;
1034     }
1035
1036     /* get the directory size */
1037     lock_ObtainWrite(&dscp->rw);
1038     code = cm_SyncOp(dscp, NULL, userp, &req, 0,
1039                      CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1040     if (code) {
1041         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1042         (*ResultCB)->ResultStatus = status;
1043         lock_ReleaseWrite(&dscp->rw);
1044         cm_ReleaseSCache(dscp);
1045         osi_Log3(afsd_logp, "RDR_EvaluateNodeByName cm_SyncOp failure dscp=0x%p code=0x%x status=0x%x",
1046                  dscp, code, status);
1047         free(wszName);
1048         return;
1049     }
1050     cm_SyncOpDone(dscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1051     lock_ReleaseWrite(&dscp->rw);
1052
1053     if (dscp->fileType != CM_SCACHETYPE_DIRECTORY) {
1054         (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
1055         cm_ReleaseSCache(dscp);
1056         osi_Log1(afsd_logp, "RDR_EvaluateNodeByName Not a Directory dscp=0x%p",
1057                  dscp);
1058         free(wszName);
1059         return;
1060     }
1061
1062     code = cm_Lookup(dscp, wszName, CM_FLAG_CHECKPATH, userp, &req, &scp);
1063
1064     if ((code == CM_ERROR_NOSUCHPATH || code == CM_ERROR_NOSUCHFILE || code == CM_ERROR_BPLUS_NOMATCH) &&
1065          dscp == cm_data.rootSCachep) {
1066
1067         if (wcschr(wszName, '%') != NULL || wcschr(wszName, '#') != NULL) {
1068             /*
1069              * A volume reference:  <cell>{%,#}<volume> -> @vol:<cell>{%,#}<volume>
1070              */
1071             StringCchCopyNW(wszName, cbName, _C(CM_PREFIX_VOL), CM_PREFIX_VOL_CCH);
1072             StringCbCatNW(wszName, cbName, FileName, FileNameLength);
1073             bVol = TRUE;
1074
1075             code = cm_EvaluateVolumeReference(wszName, CM_FLAG_CHECKPATH, userp, &req, &scp);
1076         }
1077 #ifdef AFS_FREELANCE_CLIENT
1078         else if (dscp->fid.cell == AFS_FAKE_ROOT_CELL_ID && dscp->fid.volume == AFS_FAKE_ROOT_VOL_ID &&
1079                  dscp->fid.vnode == 1 && dscp->fid.unique == 1) {
1080             /*
1081              * If this is the Freelance volume root directory then treat unrecognized
1082              * names as cell names and attempt to find the appropriate "root.cell".
1083              */
1084             StringCchCopyNW(wszName, cbName, _C(CM_PREFIX_VOL), CM_PREFIX_VOL_CCH);
1085             if (FileName[0] == L'.') {
1086                 StringCbCatNW(wszName, cbName, &FileName[1], FileNameLength);
1087                 StringCbCatNW(wszName, cbName, L"%", sizeof(WCHAR));
1088             } else {
1089                 StringCbCatNW(wszName, cbName, FileName, FileNameLength);
1090                 StringCbCatNW(wszName, cbName, L"#", sizeof(WCHAR));
1091             }
1092             StringCbCatNW(wszName, cbName, L"root.cell", 9 * sizeof(WCHAR));
1093             bVol = TRUE;
1094
1095             code = cm_EvaluateVolumeReference(wszName, CM_FLAG_CHECKPATH, userp, &req, &scp);
1096         }
1097 #endif
1098     }
1099
1100     if (code == 0 && scp) {
1101         wchar_t shortName[13]=L"";
1102
1103         if (!cm_shortNames) {
1104             shortName[0] = L'\0';
1105         } else if (bVol) {
1106             cm_Gen8Dot3VolNameW(scp->fid.cell, scp->fid.volume, shortName, NULL);
1107         } else if (!cm_Is8Dot3(wszName)) {
1108             cm_dirFid_t dfid;
1109
1110             dfid.vnode = htonl(scp->fid.vnode);
1111             dfid.unique = htonl(scp->fid.unique);
1112
1113             cm_Gen8Dot3NameIntW(FileName, &dfid, shortName, NULL);
1114         } else {
1115             shortName[0] = L'\0';
1116         }
1117
1118         code = RDR_PopulateCurrentEntry(pCurrentEntry, dwRemaining,
1119                                         dscp, scp, userp, &req,
1120                                         FileName, shortName,
1121                                         (bWow64 ? RDR_POP_WOW64 : 0) |
1122                                         (bNoFollow ? 0 : (RDR_POP_FOLLOW_MOUNTPOINTS | RDR_POP_EVALUATE_SYMLINKS)),
1123                                         0, NULL, &dwRemaining);
1124         if (bHoldFid)
1125             RDR_FlagScpInUse( scp, FALSE );
1126         cm_ReleaseSCache(scp);
1127
1128         if (code) {
1129             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1130             (*ResultCB)->ResultStatus = status;
1131             osi_Log2(afsd_logp, "RDR_EvaluateNodeByName FAILURE code=0x%x status=0x%x",
1132                       code, status);
1133         } else {
1134             pEvalResultCB->ParentDataVersion.QuadPart = dscp->dataVersion;
1135             (*ResultCB)->ResultStatus = STATUS_SUCCESS;
1136             (*ResultCB)->ResultBufferLength = ResultBufferLength - dwRemaining;
1137             osi_Log0(afsd_logp, "RDR_EvaluateNodeByName SUCCESS");
1138         }
1139     } else if (code) {
1140         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1141         (*ResultCB)->ResultStatus = status;
1142         osi_Log2(afsd_logp, "RDR_EvaluateNodeByName FAILURE code=0x%x status=0x%x",
1143                  code, status);
1144     } else {
1145         (*ResultCB)->ResultStatus = STATUS_NO_SUCH_FILE;
1146         osi_Log0(afsd_logp, "RDR_EvaluateNodeByName No Such File");
1147     }
1148     cm_ReleaseSCache(dscp);
1149     free(wszName);
1150
1151     return;
1152 }
1153
1154 void
1155 RDR_EvaluateNodeByID( IN cm_user_t *userp,
1156                       IN AFSFileID ParentID,            /* not used */
1157                       IN AFSFileID SourceID,
1158                       IN BOOL      bWow64,
1159                       IN BOOL      bNoFollow,
1160                       IN BOOL      bHoldFid,
1161                       IN DWORD     ResultBufferLength,
1162                       IN OUT AFSCommResult **ResultCB)
1163 {
1164     AFSFileEvalResultCB *pEvalResultCB = NULL;
1165     AFSDirEnumEntry * pCurrentEntry = NULL;
1166     size_t size = ResultBufferLength ? sizeof(AFSCommResult) + ResultBufferLength - 1 : sizeof(AFSCommResult);
1167     afs_uint32  code = 0;
1168     cm_scache_t * scp = NULL;
1169     cm_scache_t * dscp = NULL;
1170     cm_req_t      req;
1171     cm_fid_t      Fid;
1172     cm_fid_t      parentFid;
1173     DWORD         status;
1174     DWORD         dwRemaining;
1175
1176     osi_Log4(afsd_logp, "RDR_EvaluateNodeByID source FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
1177               SourceID.Cell, SourceID.Volume, SourceID.Vnode, SourceID.Unique);
1178     osi_Log4(afsd_logp, "... parent FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
1179               ParentID.Cell, ParentID.Volume, ParentID.Vnode, ParentID.Unique);
1180
1181     *ResultCB = (AFSCommResult *)malloc(size);
1182     if (!(*ResultCB)) {
1183         osi_Log0(afsd_logp, "RDR_EvaluateNodeByID Out of Memory");
1184         return;
1185     }
1186
1187     memset(*ResultCB, 0, size);
1188     (*ResultCB)->ResultBufferLength = 0;
1189     dwRemaining = ResultBufferLength;
1190     if (ResultBufferLength >= sizeof( AFSFileEvalResultCB)) {
1191         pEvalResultCB = (AFSFileEvalResultCB *)&(*ResultCB)->ResultData;
1192         pCurrentEntry = &pEvalResultCB->DirEnum;
1193         dwRemaining -= (sizeof( AFSFileEvalResultCB) - sizeof( AFSDirEnumEntry));
1194     }
1195
1196     RDR_InitReq(&req, bWow64);
1197
1198     if (SourceID.Cell != 0) {
1199         cm_SetFid(&Fid, SourceID.Cell, SourceID.Volume, SourceID.Vnode, SourceID.Unique);
1200         code = cm_GetSCache(&Fid, NULL, &scp, userp, &req);
1201         if (code) {
1202             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1203             (*ResultCB)->ResultStatus = status;
1204             osi_Log2(afsd_logp, "RDR_EvaluateNodeByID cm_GetSCache SourceFID failure code=0x%x status=0x%x",
1205                       code, status);
1206             return;
1207         }
1208     } else {
1209         (*ResultCB)->ResultStatus = STATUS_OBJECT_NAME_INVALID;
1210         osi_Log0(afsd_logp, "RDR_EvaluateNodeByID Object Name Invalid - Cell = 0");
1211         return;
1212     }
1213
1214     if (ParentID.Cell != 0) {
1215         cm_SetFid(&parentFid, ParentID.Cell, ParentID.Volume, ParentID.Vnode, ParentID.Unique);
1216         code = cm_GetSCache(&parentFid, NULL, &dscp, userp, &req);
1217         if (code) {
1218             cm_ReleaseSCache(scp);
1219             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1220             if ( status == STATUS_INVALID_HANDLE)
1221                 status = STATUS_OBJECT_PATH_INVALID;
1222             (*ResultCB)->ResultStatus = status;
1223             osi_Log2(afsd_logp, "RDR_EvaluateNodeByID cm_GetSCache parentFID failure code=0x%x status=0x%x",
1224                       code, status);
1225             return;
1226         }
1227     } else if (SourceID.Vnode == 1) {
1228         dscp = scp;
1229         cm_HoldSCache(dscp);
1230     } else if (scp->parentVnode) {
1231         cm_SetFid(&parentFid, SourceID.Cell, SourceID.Volume, scp->parentVnode, scp->parentUnique);
1232         code = cm_GetSCache(&parentFid, NULL, &dscp, userp, &req);
1233         if (code) {
1234             cm_ReleaseSCache(scp);
1235             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1236             if ( status == STATUS_INVALID_HANDLE)
1237                 status = STATUS_OBJECT_PATH_INVALID;
1238             (*ResultCB)->ResultStatus = status;
1239             osi_Log2(afsd_logp, "RDR_EvaluateNodeByID cm_GetSCache parentFID failure code=0x%x status=0x%x",
1240                       code, status);
1241             return;
1242         }
1243     } else {
1244         (*ResultCB)->ResultStatus = STATUS_OBJECT_PATH_INVALID;
1245         osi_Log0(afsd_logp, "RDR_EvaluateNodeByID Object Path Invalid - Unknown Parent");
1246         return;
1247     }
1248
1249     /* Make sure the directory is current */
1250     lock_ObtainWrite(&dscp->rw);
1251     code = cm_SyncOp(dscp, NULL, userp, &req, 0,
1252                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1253     if (code) {
1254         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1255         (*ResultCB)->ResultStatus = status;
1256         lock_ReleaseWrite(&dscp->rw);
1257         cm_ReleaseSCache(dscp);
1258         cm_ReleaseSCache(scp);
1259         osi_Log3(afsd_logp, "RDR_EvaluateNodeByID cm_SyncOp failure dscp=0x%p code=0x%x status=0x%x",
1260                  dscp, code, status);
1261         return;
1262     }
1263
1264     cm_SyncOpDone(dscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1265     lock_ReleaseWrite(&dscp->rw);
1266
1267     if (dscp->fileType != CM_SCACHETYPE_DIRECTORY) {
1268         (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
1269         cm_ReleaseSCache(dscp);
1270         cm_ReleaseSCache(scp);
1271         osi_Log1(afsd_logp, "RDR_EvaluateNodeByID Not a Directory dscp=0x%p", dscp);
1272         return;
1273     }
1274
1275     code = RDR_PopulateCurrentEntry(pCurrentEntry, dwRemaining,
1276                                     dscp, scp, userp, &req, NULL, NULL,
1277                                     (bWow64 ? RDR_POP_WOW64 : 0) |
1278                                     (bNoFollow ? 0 : (RDR_POP_FOLLOW_MOUNTPOINTS | RDR_POP_EVALUATE_SYMLINKS)),
1279                                     0, NULL, &dwRemaining);
1280
1281     if (bHoldFid)
1282         RDR_FlagScpInUse( scp, FALSE );
1283     cm_ReleaseSCache(scp);
1284     cm_ReleaseSCache(dscp);
1285
1286     if (code) {
1287         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1288         (*ResultCB)->ResultStatus = status;
1289         osi_Log2(afsd_logp, "RDR_EvaluateNodeByID FAILURE code=0x%x status=0x%x",
1290                  code, status);
1291     } else {
1292         pEvalResultCB->ParentDataVersion.QuadPart = dscp->dataVersion;
1293
1294         (*ResultCB)->ResultStatus = STATUS_SUCCESS;
1295         (*ResultCB)->ResultBufferLength = ResultBufferLength - dwRemaining;
1296         osi_Log0(afsd_logp, "RDR_EvaluateNodeByID SUCCESS");
1297     }
1298     return;
1299 }
1300
1301 void
1302 RDR_CreateFileEntry( IN cm_user_t *userp,
1303                      IN WCHAR *FileNameCounted,
1304                      IN DWORD FileNameLength,
1305                      IN AFSFileCreateCB *CreateCB,
1306                      IN BOOL bWow64,
1307                      IN BOOL bHoldFid,
1308                      IN DWORD ResultBufferLength,
1309                      IN OUT AFSCommResult **ResultCB)
1310 {
1311     AFSFileCreateResultCB *pResultCB = NULL;
1312     size_t size = sizeof(AFSCommResult) + ResultBufferLength - 1;
1313     cm_fid_t            parentFid;
1314     afs_uint32          code;
1315     cm_scache_t *       dscp = NULL;
1316     afs_uint32          flags = 0;
1317     cm_attr_t           setAttr;
1318     cm_scache_t *       scp = NULL;
1319     cm_req_t            req;
1320     DWORD               status;
1321     wchar_t             FileName[260];
1322
1323     StringCchCopyNW(FileName, 260, FileNameCounted, FileNameLength / sizeof(WCHAR));
1324
1325     osi_Log4(afsd_logp, "RDR_CreateFileEntry parent FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
1326               CreateCB->ParentId.Cell, CreateCB->ParentId.Volume,
1327               CreateCB->ParentId.Vnode, CreateCB->ParentId.Unique);
1328     osi_Log1(afsd_logp, "... name=%S", osi_LogSaveStringW(afsd_logp, FileName));
1329
1330     RDR_InitReq(&req, bWow64);
1331     memset(&setAttr, 0, sizeof(cm_attr_t));
1332
1333     *ResultCB = (AFSCommResult *)malloc(size);
1334     if (!(*ResultCB)) {
1335         osi_Log0(afsd_logp, "RDR_CreateFileEntry out of memory");
1336         return;
1337     }
1338
1339     memset( *ResultCB,
1340             '\0',
1341             size);
1342
1343     parentFid.cell   = CreateCB->ParentId.Cell;
1344     parentFid.volume = CreateCB->ParentId.Volume;
1345     parentFid.vnode  = CreateCB->ParentId.Vnode;
1346     parentFid.unique = CreateCB->ParentId.Unique;
1347     parentFid.hash   = CreateCB->ParentId.Hash;
1348
1349     code = cm_GetSCache(&parentFid, NULL, &dscp, userp, &req);
1350     if (code) {
1351         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1352         (*ResultCB)->ResultStatus = status;
1353         if ( status == STATUS_INVALID_HANDLE)
1354             status = STATUS_OBJECT_PATH_INVALID;
1355         osi_Log2(afsd_logp, "RDR_CreateFileEntry cm_GetSCache ParentFID failure code=0x%x status=0x%x",
1356                   code, status);
1357         return;
1358     }
1359
1360     lock_ObtainWrite(&dscp->rw);
1361     code = cm_SyncOp(dscp, NULL, userp, &req, 0,
1362                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1363     if (code) {
1364         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1365         (*ResultCB)->ResultStatus = status;
1366         lock_ReleaseWrite(&dscp->rw);
1367         cm_ReleaseSCache(dscp);
1368         osi_Log3(afsd_logp, "RDR_CreateFileEntry cm_SyncOp failure (1) dscp=0x%p code=0x%x status=0x%x",
1369                  dscp, code, status);
1370         return;
1371     }
1372
1373     cm_SyncOpDone(dscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1374     lock_ReleaseWrite(&dscp->rw);
1375
1376     if (dscp->fileType != CM_SCACHETYPE_DIRECTORY) {
1377         (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
1378         cm_ReleaseSCache(dscp);
1379         osi_Log1(afsd_logp, "RDR_CreateFileEntry Not a Directory dscp=0x%p",
1380                  dscp);
1381         return;
1382     }
1383
1384     /* Use current time */
1385     setAttr.mask = CM_ATTRMASK_CLIENTMODTIME;
1386     setAttr.clientModTime = time(NULL);
1387
1388     if (CreateCB->FileAttributes & FILE_ATTRIBUTE_DIRECTORY) {
1389         if (smb_unixModeDefaultDir) {
1390             setAttr.mask |= CM_ATTRMASK_UNIXMODEBITS;
1391             setAttr.unixModeBits = smb_unixModeDefaultDir;
1392             if (CreateCB->FileAttributes & FILE_ATTRIBUTE_READONLY)
1393                 setAttr.unixModeBits &= ~0222;          /* disable the write bits */
1394         }
1395
1396         code = cm_MakeDir(dscp, FileName, flags, &setAttr, userp, &req, &scp);
1397     } else {
1398         if (smb_unixModeDefaultFile) {
1399             setAttr.mask |= CM_ATTRMASK_UNIXMODEBITS;
1400             setAttr.unixModeBits = smb_unixModeDefaultFile;
1401             if (CreateCB->FileAttributes & FILE_ATTRIBUTE_READONLY)
1402                 setAttr.unixModeBits &= ~0222;          /* disable the write bits */
1403         }
1404
1405         setAttr.mask |= CM_ATTRMASK_LENGTH;
1406         setAttr.length.LowPart = CreateCB->AllocationSize.LowPart;
1407         setAttr.length.HighPart = CreateCB->AllocationSize.HighPart;
1408         code = cm_Create(dscp, FileName, flags, &setAttr, &scp, userp, &req);
1409     }
1410     if (code == 0) {
1411         wchar_t shortName[13]=L"";
1412         cm_dirFid_t dfid;
1413         DWORD dwRemaining;
1414
1415         (*ResultCB)->ResultStatus = 0;  // We will be able to fit all the data in here
1416
1417         (*ResultCB)->ResultBufferLength = sizeof( AFSFileCreateResultCB);
1418
1419         pResultCB = (AFSFileCreateResultCB *)(*ResultCB)->ResultData;
1420
1421         dwRemaining = ResultBufferLength - sizeof( AFSFileCreateResultCB) + sizeof( AFSDirEnumEntry);
1422
1423         lock_ObtainWrite(&dscp->rw);
1424         code = cm_SyncOp(dscp, NULL, userp, &req, 0,
1425                           CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1426         if (code) {
1427             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1428             (*ResultCB)->ResultStatus = status;
1429             lock_ReleaseWrite(&dscp->rw);
1430             cm_ReleaseSCache(dscp);
1431             cm_ReleaseSCache(scp);
1432             osi_Log3(afsd_logp, "RDR_CreateFileEntry cm_SyncOp failure (2) dscp=0x%p code=0x%x status=0x%x",
1433                       dscp, code, status);
1434             return;
1435         }
1436
1437         pResultCB->ParentDataVersion.QuadPart = dscp->dataVersion;
1438
1439         cm_SyncOpDone(dscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1440         lock_ReleaseWrite(&dscp->rw);
1441
1442         if (cm_shortNames) {
1443             dfid.vnode = htonl(scp->fid.vnode);
1444             dfid.unique = htonl(scp->fid.unique);
1445
1446             if (!cm_Is8Dot3(FileName))
1447                 cm_Gen8Dot3NameIntW(FileName, &dfid, shortName, NULL);
1448             else
1449                 shortName[0] = '\0';
1450         }
1451
1452         code = RDR_PopulateCurrentEntry(&pResultCB->DirEnum, dwRemaining,
1453                                         dscp, scp, userp, &req, FileName, shortName,
1454                                         RDR_POP_FOLLOW_MOUNTPOINTS | RDR_POP_EVALUATE_SYMLINKS,
1455                                         0, NULL, &dwRemaining);
1456
1457         if (bHoldFid)
1458             RDR_FlagScpInUse( scp, FALSE );
1459         cm_ReleaseSCache(scp);
1460         (*ResultCB)->ResultBufferLength = ResultBufferLength - dwRemaining;
1461         osi_Log0(afsd_logp, "RDR_CreateFileEntry SUCCESS");
1462     } else {
1463         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1464         (*ResultCB)->ResultStatus = status;
1465         (*ResultCB)->ResultBufferLength = 0;
1466         osi_Log2(afsd_logp, "RDR_CreateFileEntry FAILURE code=0x%x status=0x%x",
1467                   code, status);
1468     }
1469
1470     cm_ReleaseSCache(dscp);
1471
1472     return;
1473 }
1474
1475 void
1476 RDR_UpdateFileEntry( IN cm_user_t *userp,
1477                      IN AFSFileID FileId,
1478                      IN AFSFileUpdateCB *UpdateCB,
1479                      IN BOOL bWow64,
1480                      IN DWORD ResultBufferLength,
1481                      IN OUT AFSCommResult **ResultCB)
1482 {
1483     AFSFileUpdateResultCB *pResultCB = NULL;
1484     size_t size = sizeof(AFSCommResult) + ResultBufferLength - 1;
1485     cm_fid_t            Fid;
1486     cm_fid_t            parentFid;
1487     afs_uint32          code;
1488     afs_uint32          flags = 0;
1489     cm_attr_t           setAttr;
1490     cm_scache_t *       scp = NULL;
1491     cm_scache_t *       dscp = NULL;
1492     cm_req_t            req;
1493     time_t              clientModTime;
1494     FILETIME            ft;
1495     DWORD               status;
1496     BOOL                bScpLocked = FALSE;
1497
1498     RDR_InitReq(&req, bWow64);
1499     memset(&setAttr, 0, sizeof(cm_attr_t));
1500
1501     osi_Log4(afsd_logp, "RDR_UpdateFileEntry parent FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
1502               UpdateCB->ParentId.Cell, UpdateCB->ParentId.Volume,
1503               UpdateCB->ParentId.Vnode, UpdateCB->ParentId.Unique);
1504     osi_Log4(afsd_logp, "... object FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
1505               FileId.Cell, FileId.Volume,
1506               FileId.Vnode, FileId.Unique);
1507
1508     *ResultCB = (AFSCommResult *)malloc( size);
1509     if (!(*ResultCB)) {
1510         osi_Log0(afsd_logp, "RDR_UpdateFileEntry Out of Memory");
1511         return;
1512     }
1513
1514     memset( *ResultCB,
1515             '\0',
1516             size);
1517
1518     parentFid.cell   = UpdateCB->ParentId.Cell;
1519     parentFid.volume = UpdateCB->ParentId.Volume;
1520     parentFid.vnode  = UpdateCB->ParentId.Vnode;
1521     parentFid.unique = UpdateCB->ParentId.Unique;
1522     parentFid.hash   = UpdateCB->ParentId.Hash;
1523
1524     code = cm_GetSCache(&parentFid, NULL, &dscp, userp, &req);
1525     if (code) {
1526         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1527         (*ResultCB)->ResultStatus = status;
1528         if ( status == STATUS_INVALID_HANDLE)
1529             status = STATUS_OBJECT_PATH_INVALID;
1530         osi_Log2(afsd_logp, "RDR_UpdateFileEntry cm_GetSCache ParentFID failure code=0x%x status=0x%x",
1531                   code, status);
1532         return;
1533     }
1534
1535     lock_ObtainWrite(&dscp->rw);
1536     bScpLocked = TRUE;
1537     code = cm_SyncOp(dscp, NULL, userp, &req, 0,
1538                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1539     if (code) {
1540         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1541         (*ResultCB)->ResultStatus = status;
1542         lock_ReleaseWrite(&dscp->rw);
1543         cm_ReleaseSCache(dscp);
1544         osi_Log3(afsd_logp, "RDR_UpdateFileEntry cm_SyncOp failure dscp=0x%p code=0x%x status=0x%x",
1545                  dscp, code, status);
1546         return;
1547     }
1548
1549     cm_SyncOpDone(dscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1550     lock_ReleaseWrite(&dscp->rw);
1551     bScpLocked = FALSE;
1552
1553     if (dscp->fileType != CM_SCACHETYPE_DIRECTORY) {
1554         (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
1555         cm_ReleaseSCache(dscp);
1556         osi_Log1(afsd_logp, "RDR_UpdateFileEntry Not a Directory dscp=0x%p",
1557                  dscp);
1558         return;
1559     }
1560
1561     Fid.cell   = FileId.Cell;
1562     Fid.volume = FileId.Volume;
1563     Fid.vnode  = FileId.Vnode;
1564     Fid.unique = FileId.Unique;
1565     Fid.hash   = FileId.Hash;
1566
1567     code = cm_GetSCache(&Fid, &dscp->fid, &scp, userp, &req);
1568     if (code) {
1569         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1570         (*ResultCB)->ResultStatus = status;
1571         cm_ReleaseSCache(dscp);
1572         osi_Log2(afsd_logp, "RDR_UpdateFileEntry cm_GetSCache object FID failure code=0x%x status=0x%x",
1573                   code, status);
1574         return;
1575     }
1576
1577     lock_ObtainWrite(&scp->rw);
1578     bScpLocked = TRUE;
1579     code = cm_SyncOp(scp, NULL, userp, &req, 0,
1580                       CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_NEEDCALLBACK);
1581     if (code) {
1582         lock_ReleaseWrite(&scp->rw);
1583         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1584         (*ResultCB)->ResultStatus = status;
1585         (*ResultCB)->ResultBufferLength = 0;
1586         cm_ReleaseSCache(dscp);
1587         cm_ReleaseSCache(scp);
1588         osi_Log3(afsd_logp, "RDR_UpdateFileEntry cm_SyncOp failure scp=0x%p code=0x%x status=0x%x",
1589                  scp, code, status);
1590         return;
1591     }
1592     cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1593
1594     if (UpdateCB->ChangeTime.QuadPart) {
1595
1596         if (scp->fileType == CM_SCACHETYPE_FILE) {
1597             /* Do not set length and other attributes at the same time */
1598             if (scp->length.QuadPart != UpdateCB->AllocationSize.QuadPart) {
1599                 osi_Log2(afsd_logp, "RDR_UpdateFileEntry Length Change 0x%x -> 0x%x",
1600                           (afs_uint32)scp->length.QuadPart, (afs_uint32)UpdateCB->AllocationSize.QuadPart);
1601                 setAttr.mask |= CM_ATTRMASK_LENGTH;
1602                 setAttr.length.LowPart = UpdateCB->AllocationSize.LowPart;
1603                 setAttr.length.HighPart = UpdateCB->AllocationSize.HighPart;
1604                 lock_ReleaseWrite(&scp->rw);
1605                 bScpLocked = FALSE;
1606                 code = cm_SetAttr(scp, &setAttr, userp, &req);
1607                 if (code)
1608                     goto on_error;
1609                 setAttr.mask = 0;
1610             }
1611         }
1612
1613         if (!bScpLocked) {
1614             lock_ObtainWrite(&scp->rw);
1615             bScpLocked = TRUE;
1616         }
1617         if ((scp->unixModeBits & 0200) && (UpdateCB->FileAttributes & FILE_ATTRIBUTE_READONLY)) {
1618             setAttr.mask |= CM_ATTRMASK_UNIXMODEBITS;
1619             setAttr.unixModeBits = scp->unixModeBits & ~0222;
1620         } else if (!(scp->unixModeBits & 0200) && !(UpdateCB->FileAttributes & FILE_ATTRIBUTE_READONLY)) {
1621             setAttr.mask |= CM_ATTRMASK_UNIXMODEBITS;
1622             setAttr.unixModeBits = scp->unixModeBits | 0222;
1623         }
1624     }
1625
1626     if (UpdateCB->LastWriteTime.QuadPart) {
1627         ft.dwLowDateTime = UpdateCB->LastWriteTime.LowPart;
1628         ft.dwHighDateTime = UpdateCB->LastWriteTime.HighPart;
1629
1630         cm_UnixTimeFromLargeSearchTime(& clientModTime, &ft);
1631
1632         if (!bScpLocked) {
1633             lock_ObtainWrite(&scp->rw);
1634             bScpLocked = TRUE;
1635         }
1636         if (scp->clientModTime != clientModTime) {
1637             setAttr.mask |= CM_ATTRMASK_CLIENTMODTIME;
1638             setAttr.clientModTime = clientModTime;
1639         }
1640
1641         /* call setattr */
1642         if (setAttr.mask) {
1643             lock_ReleaseWrite(&scp->rw);
1644             bScpLocked = FALSE;
1645             code = cm_SetAttr(scp, &setAttr, userp, &req);
1646         } else
1647             code = 0;
1648     }
1649
1650   on_error:
1651     if (bScpLocked) {
1652         lock_ReleaseWrite(&scp->rw);
1653     }
1654
1655     if (code == 0) {
1656         DWORD dwRemaining = ResultBufferLength - sizeof( AFSFileUpdateResultCB) + sizeof( AFSDirEnumEntry);
1657
1658         pResultCB = (AFSFileUpdateResultCB *)(*ResultCB)->ResultData;
1659
1660         pResultCB->ParentDataVersion.QuadPart = dscp->dataVersion;
1661
1662         code = RDR_PopulateCurrentEntry(&pResultCB->DirEnum, dwRemaining,
1663                                         dscp, scp, userp, &req, NULL, NULL,
1664                                         RDR_POP_FOLLOW_MOUNTPOINTS | RDR_POP_EVALUATE_SYMLINKS,
1665                                         0, NULL, &dwRemaining);
1666         (*ResultCB)->ResultBufferLength = ResultBufferLength - dwRemaining;
1667         osi_Log0(afsd_logp, "RDR_UpdateFileEntry SUCCESS");
1668     } else {
1669         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1670         (*ResultCB)->ResultStatus = status;
1671         (*ResultCB)->ResultBufferLength = 0;
1672         osi_Log2(afsd_logp, "RDR_UpdateFileEntry FAILURE code=0x%x status=0x%x",
1673                   code, status);
1674     }
1675     cm_ReleaseSCache(scp);
1676     cm_ReleaseSCache(dscp);
1677
1678     return;
1679 }
1680
1681 void
1682 RDR_CleanupFileEntry( IN cm_user_t *userp,
1683                       IN AFSFileID FileId,
1684                       IN WCHAR *FileNameCounted,
1685                       IN DWORD FileNameLength,
1686                       IN AFSFileCleanupCB *CleanupCB,
1687                       IN BOOL bWow64,
1688                       IN BOOL bLastHandle,
1689                       IN BOOL bDeleteFile,
1690                       IN BOOL bUnlockFile,
1691                       IN DWORD ResultBufferLength,
1692                       IN OUT AFSCommResult **ResultCB)
1693 {
1694     AFSFileCleanupResultCB *pResultCB = NULL;
1695     size_t size = sizeof(AFSCommResult) + ResultBufferLength - 1;
1696     cm_fid_t            Fid;
1697     cm_fid_t            parentFid;
1698     afs_uint32          code = 0;
1699     afs_uint32          flags = 0;
1700     cm_attr_t           setAttr;
1701     cm_scache_t *       scp = NULL;
1702     cm_scache_t *       dscp = NULL;
1703     cm_req_t            req;
1704     time_t              clientModTime;
1705     FILETIME            ft;
1706     DWORD               status;
1707     BOOL                bScpLocked = FALSE;
1708     BOOL                bDscpLocked = FALSE;
1709     BOOL                bFlushFile = FALSE;
1710     cm_key_t            key;
1711
1712     RDR_InitReq(&req, bWow64);
1713     memset(&setAttr, 0, sizeof(cm_attr_t));
1714
1715     osi_Log4(afsd_logp, "RDR_CleanupFileEntry parent FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
1716               CleanupCB->ParentId.Cell, CleanupCB->ParentId.Volume,
1717               CleanupCB->ParentId.Vnode, CleanupCB->ParentId.Unique);
1718     osi_Log4(afsd_logp, "... object FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
1719               FileId.Cell, FileId.Volume,
1720               FileId.Vnode, FileId.Unique);
1721
1722     *ResultCB = (AFSCommResult *)malloc( size);
1723     if (!(*ResultCB)) {
1724         osi_Log0(afsd_logp, "RDR_CleanupFileEntry Out of Memory");
1725         return;
1726     }
1727
1728     memset( *ResultCB,
1729             '\0',
1730             size);
1731
1732     parentFid.cell   = CleanupCB->ParentId.Cell;
1733     parentFid.volume = CleanupCB->ParentId.Volume;
1734     parentFid.vnode  = CleanupCB->ParentId.Vnode;
1735     parentFid.unique = CleanupCB->ParentId.Unique;
1736     parentFid.hash   = CleanupCB->ParentId.Hash;
1737
1738     if (parentFid.cell) {
1739         code = cm_GetSCache(&parentFid, NULL, &dscp, userp, &req);
1740         if (code) {
1741             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1742             if ( status == STATUS_INVALID_HANDLE)
1743                 status = STATUS_OBJECT_PATH_INVALID;
1744             (*ResultCB)->ResultStatus = status;
1745             osi_Log2(afsd_logp, "RDR_CleanupFileEntry cm_GetSCache ParentFID failure code=0x%x status=0x%x",
1746                      code, status);
1747             return;
1748         }
1749
1750         lock_ObtainWrite(&dscp->rw);
1751         bDscpLocked = TRUE;
1752         code = cm_SyncOp(dscp, NULL, userp, &req, 0,
1753                          CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1754         if (code) {
1755             osi_Log2(afsd_logp, "RDR_CleanupFileEntry cm_SyncOp failure dscp=0x%p code=0x%x",
1756                     dscp, code);
1757             if (code)
1758                 goto on_error;
1759         }
1760
1761         cm_SyncOpDone(dscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1762         lock_ReleaseWrite(&dscp->rw);
1763         bDscpLocked = FALSE;
1764
1765         if (dscp->fileType != CM_SCACHETYPE_DIRECTORY) {
1766             (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
1767             cm_ReleaseSCache(dscp);
1768             osi_Log1(afsd_logp, "RDR_CleanupFileEntry Not a Directory dscp=0x%p",
1769                      dscp);
1770             if (code)
1771                 goto on_error;
1772         }
1773     }
1774
1775     Fid.cell   = FileId.Cell;
1776     Fid.volume = FileId.Volume;
1777     Fid.vnode  = FileId.Vnode;
1778     Fid.unique = FileId.Unique;
1779     Fid.hash   = FileId.Hash;
1780
1781     code = cm_GetSCache(&Fid, dscp ? &dscp->fid : NULL, &scp, userp, &req);
1782     if (code) {
1783         osi_Log1(afsd_logp, "RDR_CleanupFileEntry cm_GetSCache object FID failure code=0x%x",
1784                  code);
1785         goto on_error;
1786     }
1787
1788     lock_ObtainWrite(&scp->rw);
1789     bScpLocked = TRUE;
1790     code = cm_SyncOp(scp, NULL, userp, &req, 0,
1791                       CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_NEEDCALLBACK);
1792     if (code) {
1793         osi_Log2(afsd_logp, "RDR_CleanupFileEntry cm_SyncOp failure scp=0x%p code=0x%x",
1794                  scp, code);
1795         goto on_error;
1796     }
1797     cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1798
1799     if (bLastHandle && (scp->fileType == CM_SCACHETYPE_FILE) &&
1800         scp->redirBufCount > 0)
1801     {
1802         LARGE_INTEGER heldExtents;
1803         AFSFileExtentCB extentList[1024];
1804         DWORD extentCount = 0;
1805         cm_buf_t *srbp;
1806         time_t now;
1807
1808         time(&now);
1809         heldExtents.QuadPart = 0;
1810
1811         for ( srbp = redirq_to_cm_buf_t(scp->redirQueueT);
1812               srbp;
1813               srbp = redirq_to_cm_buf_t(osi_QPrev(&srbp->redirq)))
1814         {
1815             extentList[extentCount].Flags = 0;
1816             extentList[extentCount].Length = cm_data.blockSize;
1817             extentList[extentCount].FileOffset.QuadPart = srbp->offset.QuadPart;
1818             extentList[extentCount].CacheOffset.QuadPart = srbp->datap - RDR_extentBaseAddress;
1819             lock_ObtainWrite(&buf_globalLock);
1820             srbp->redirReleaseRequested = now;
1821             lock_ReleaseWrite(&buf_globalLock);
1822             extentCount++;
1823
1824             if (extentCount == 1024) {
1825                 lock_ReleaseWrite(&scp->rw);
1826                 code = RDR_RequestExtentRelease(&scp->fid, heldExtents, extentCount, extentList);
1827                 if (code) {
1828                     if (code == CM_ERROR_RETRY) {
1829                         /*
1830                          * The redirector either is not holding the extents or cannot let them
1831                          * go because they are otherwise in use.  At the moment, do nothing.
1832                          */
1833                     } else
1834                         break;
1835                 }
1836                 extentCount = 0;
1837                 bFlushFile = TRUE;
1838                 lock_ObtainWrite(&scp->rw);
1839             }
1840         }
1841
1842         if (code == 0 && extentCount > 0) {
1843             if (bScpLocked) {
1844                 lock_ReleaseWrite(&scp->rw);
1845                 bScpLocked = FALSE;
1846             }
1847             code = RDR_RequestExtentRelease(&scp->fid, heldExtents, extentCount, extentList);
1848             bFlushFile = TRUE;
1849         }
1850     }
1851
1852     /* No longer in use by redirector */
1853     if (!bScpLocked) {
1854         lock_ObtainWrite(&scp->rw);
1855         bScpLocked = TRUE;
1856     }
1857
1858     if (bLastHandle) {
1859         lock_AssertWrite(&scp->rw);
1860         scp->flags &= ~CM_SCACHEFLAG_RDR_IN_USE;
1861     }
1862
1863     /* If not a readonly object, flush dirty data and update metadata */
1864     if (!(scp->flags & CM_SCACHEFLAG_RO)) {
1865         if ((scp->fileType == CM_SCACHETYPE_FILE) && (bLastHandle || bFlushFile)) {
1866             /* Serialize with any outstanding AsyncStore operation */
1867             code = cm_SyncOp(scp, NULL, userp, &req, 0, CM_SCACHESYNC_ASYNCSTORE);
1868             if (code == 0) {
1869                 cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_ASYNCSTORE);
1870
1871                 code = cm_SyncOp(scp, NULL, userp, &req, PRSFS_WRITE,
1872                                  CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1873                 /*
1874                  * If we only have 'i' bits, then we should still be able to
1875                  * set flush the file.
1876                  */
1877                 if (code == CM_ERROR_NOACCESS && scp->creator == userp) {
1878                     code = cm_SyncOp(scp, NULL, userp, &req, PRSFS_INSERT,
1879                                      CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1880                 }
1881                 if (code == 0) {
1882                     if (bScpLocked) {
1883                         lock_ReleaseWrite(&scp->rw);
1884                         bScpLocked = FALSE;
1885                     }
1886
1887                     code = cm_FSync(scp, userp, &req, bScpLocked);
1888                 }
1889             }
1890             if (bLastHandle && code)
1891                 goto unlock;
1892         }
1893
1894         if (CleanupCB->ChangeTime.QuadPart) {
1895
1896             if (scp->fileType == CM_SCACHETYPE_FILE) {
1897                 /* Do not set length and other attributes at the same time */
1898                 if (scp->length.QuadPart != CleanupCB->AllocationSize.QuadPart) {
1899                     osi_Log2(afsd_logp, "RDR_CleanupFileEntry Length Change 0x%x -> 0x%x",
1900                              (afs_uint32)scp->length.QuadPart, (afs_uint32)CleanupCB->AllocationSize.QuadPart);
1901                     setAttr.mask |= CM_ATTRMASK_LENGTH;
1902                     setAttr.length.LowPart = CleanupCB->AllocationSize.LowPart;
1903                     setAttr.length.HighPart = CleanupCB->AllocationSize.HighPart;
1904
1905                     if (bScpLocked) {
1906                         lock_ReleaseWrite(&scp->rw);
1907                         bScpLocked = FALSE;
1908                     }
1909                     code = cm_SetAttr(scp, &setAttr, userp, &req);
1910                     if (code)
1911                         goto unlock;
1912                     setAttr.mask = 0;
1913                 }
1914             }
1915
1916             if (!bScpLocked) {
1917                 lock_ObtainWrite(&scp->rw);
1918                 bScpLocked = TRUE;
1919             }
1920
1921             if ((scp->unixModeBits & 0200) && (CleanupCB->FileAttributes & FILE_ATTRIBUTE_READONLY)) {
1922                 setAttr.mask |= CM_ATTRMASK_UNIXMODEBITS;
1923                 setAttr.unixModeBits = scp->unixModeBits & ~0222;
1924             } else if (!(scp->unixModeBits & 0200) && !(CleanupCB->FileAttributes & FILE_ATTRIBUTE_READONLY)) {
1925                 setAttr.mask |= CM_ATTRMASK_UNIXMODEBITS;
1926                 setAttr.unixModeBits = scp->unixModeBits | 0222;
1927             }
1928         }
1929
1930         if (CleanupCB->LastWriteTime.QuadPart) {
1931             ft.dwLowDateTime = CleanupCB->LastWriteTime.LowPart;
1932             ft.dwHighDateTime = CleanupCB->LastWriteTime.HighPart;
1933
1934             cm_UnixTimeFromLargeSearchTime(&clientModTime, &ft);
1935             if (scp->clientModTime != clientModTime) {
1936                 setAttr.mask |= CM_ATTRMASK_CLIENTMODTIME;
1937                 setAttr.clientModTime = clientModTime;
1938             }
1939         }
1940
1941         /* call setattr */
1942         if (setAttr.mask) {
1943             if (bScpLocked) {
1944                 lock_ReleaseWrite(&scp->rw);
1945                 bScpLocked = FALSE;
1946             }
1947             code = cm_SetAttr(scp, &setAttr, userp, &req);
1948         } else
1949             code = 0;
1950     }
1951
1952   unlock:
1953     /* Now drop the lock enforcing the share access */
1954     if ( CleanupCB->FileAccess != AFS_FILE_ACCESS_NOLOCK) {
1955         unsigned int sLockType;
1956         LARGE_INTEGER LOffset, LLength;
1957
1958         if (CleanupCB->FileAccess == AFS_FILE_ACCESS_SHARED)
1959             sLockType = LOCKING_ANDX_SHARED_LOCK;
1960         else
1961             sLockType = 0;
1962
1963         key = cm_GenerateKey(CM_SESSION_IFS, SMB_FID_QLOCK_PID, CleanupCB->Identifier);
1964
1965         LOffset.HighPart = SMB_FID_QLOCK_HIGH;
1966         LOffset.LowPart = SMB_FID_QLOCK_LOW;
1967         LLength.HighPart = 0;
1968         LLength.LowPart = SMB_FID_QLOCK_LENGTH;
1969
1970         if (!bScpLocked) {
1971             lock_ObtainWrite(&scp->rw);
1972             bScpLocked = TRUE;
1973         }
1974
1975         code = cm_SyncOp(scp, NULL, userp, &req, 0, CM_SCACHESYNC_LOCK);
1976         if (code == 0)
1977         {
1978             code = cm_Unlock(scp, sLockType, LOffset, LLength, key, 0, userp, &req);
1979
1980             cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_LOCK);
1981
1982             if (code == CM_ERROR_RANGE_NOT_LOCKED)
1983             {
1984                 osi_Log3(afsd_logp, "RDR_CleanupFileEntry Range Not Locked -- FileAccess 0x%x ProcessId 0x%x HandleId 0x%x",
1985                          CleanupCB->FileAccess, CleanupCB->ProcessId, CleanupCB->Identifier);
1986
1987             }
1988         }
1989     }
1990
1991     if (bUnlockFile || bDeleteFile) {
1992         if (!bScpLocked) {
1993             lock_ObtainWrite(&scp->rw);
1994             bScpLocked = TRUE;
1995         }
1996         code = cm_SyncOp(scp, NULL, userp, &req, 0,
1997                           CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
1998         if (code) {
1999             osi_Log2(afsd_logp, "RDR_CleanupFileEntry cm_SyncOp (2) failure scp=0x%p code=0x%x",
2000                      scp, code);
2001             goto on_error;
2002         }
2003
2004         key = cm_GenerateKey(CM_SESSION_IFS, CleanupCB->ProcessId, 0);
2005
2006         /* the scp is now locked and current */
2007         code = cm_UnlockByKey(scp, key,
2008                               bDeleteFile ? CM_UNLOCK_FLAG_BY_FID : 0,
2009                               userp, &req);
2010
2011         cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
2012
2013         if (code)
2014             goto on_error;
2015     }
2016
2017   on_error:
2018     if (bDscpLocked)
2019         lock_ReleaseWrite(&dscp->rw);
2020     if (bScpLocked)
2021         lock_ReleaseWrite(&scp->rw);
2022
2023     if (code == 0 && dscp && bDeleteFile) {
2024         WCHAR FileName[260];
2025
2026         StringCchCopyNW(FileName, 260, FileNameCounted, FileNameLength / sizeof(WCHAR));
2027
2028         if (scp->fileType == CM_SCACHETYPE_DIRECTORY)
2029             code = cm_RemoveDir(dscp, NULL, FileName, userp, &req);
2030         else
2031             code = cm_Unlink(dscp, NULL, FileName, userp, &req);
2032     }
2033
2034     if (code == 0) {
2035         if ( ResultBufferLength >=  sizeof( AFSFileCleanupResultCB))
2036         {
2037             (*ResultCB)->ResultBufferLength = sizeof( AFSFileCleanupResultCB);
2038             pResultCB = (AFSFileCleanupResultCB *)&(*ResultCB)->ResultData;
2039             pResultCB->ParentDataVersion.QuadPart = dscp ? dscp->dataVersion : 0;
2040         } else {
2041             (*ResultCB)->ResultBufferLength = 0;
2042         }
2043
2044         (*ResultCB)->ResultStatus = 0;
2045         osi_Log0(afsd_logp, "RDR_CleanupFileEntry SUCCESS");
2046     } else {
2047         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2048         (*ResultCB)->ResultStatus = status;
2049         osi_Log2(afsd_logp, "RDR_CleanupFileEntry FAILURE code=0x%x status=0x%x",
2050                   code, status);
2051     }
2052
2053     if (scp)
2054         cm_ReleaseSCache(scp);
2055     if (dscp)
2056         cm_ReleaseSCache(dscp);
2057
2058     return;
2059 }
2060
2061 void
2062 RDR_DeleteFileEntry( IN cm_user_t *userp,
2063                      IN AFSFileID ParentId,
2064                      IN ULONGLONG ProcessId,
2065                      IN WCHAR *FileNameCounted,
2066                      IN DWORD FileNameLength,
2067                      IN BOOL bWow64,
2068                      IN BOOL bCheckOnly,
2069                      IN DWORD ResultBufferLength,
2070                      IN OUT AFSCommResult **ResultCB)
2071 {
2072
2073     AFSFileDeleteResultCB *pResultCB = NULL;
2074     size_t size = sizeof(AFSCommResult) + ResultBufferLength - 1;
2075     cm_fid_t            parentFid;
2076     afs_uint32          code;
2077     cm_scache_t *       dscp = NULL;
2078     cm_scache_t *       scp = NULL;
2079     afs_uint32          flags = 0;
2080     cm_attr_t           setAttr;
2081     cm_req_t            req;
2082     DWORD               status;
2083     wchar_t             FileName[260];
2084     cm_key_t            key;
2085
2086     StringCchCopyNW(FileName, 260, FileNameCounted, FileNameLength / sizeof(WCHAR));
2087
2088     osi_Log4(afsd_logp, "RDR_DeleteFileEntry parent FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
2089               ParentId.Cell,  ParentId.Volume,
2090               ParentId.Vnode, ParentId.Unique);
2091     osi_Log2(afsd_logp, "... name=%S checkOnly=%x",
2092              osi_LogSaveStringW(afsd_logp, FileName),
2093              bCheckOnly);
2094
2095     RDR_InitReq(&req, bWow64);
2096     memset(&setAttr, 0, sizeof(cm_attr_t));
2097
2098     *ResultCB = (AFSCommResult *)malloc( size);
2099     if (!(*ResultCB)) {
2100         osi_Log0(afsd_logp, "RDR_DeleteFileEntry out of memory");
2101         return;
2102     }
2103
2104     memset( *ResultCB,
2105             '\0',
2106             size);
2107
2108     parentFid.cell   = ParentId.Cell;
2109     parentFid.volume = ParentId.Volume;
2110     parentFid.vnode  = ParentId.Vnode;
2111     parentFid.unique = ParentId.Unique;
2112     parentFid.hash   = ParentId.Hash;
2113
2114     code = cm_GetSCache(&parentFid, NULL, &dscp, userp, &req);
2115     if (code) {
2116         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2117         if ( status == STATUS_INVALID_HANDLE)
2118             status = STATUS_OBJECT_PATH_INVALID;
2119         (*ResultCB)->ResultStatus = status;
2120         osi_Log2(afsd_logp, "RDR_DeleteFileEntry cm_GetSCache ParentFID failure code=0x%x status=0x%x",
2121                   code, status);
2122         return;
2123     }
2124
2125     lock_ObtainWrite(&dscp->rw);
2126
2127     code = cm_SyncOp(dscp, NULL, userp, &req, 0,
2128                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2129     if (code) {
2130         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2131         (*ResultCB)->ResultStatus = status;
2132         (*ResultCB)->ResultBufferLength = 0;
2133         lock_ReleaseWrite(&dscp->rw);
2134         cm_ReleaseSCache(dscp);
2135         osi_Log3(afsd_logp, "RDR_DeleteFileEntry cm_SyncOp failure dscp=0x%p code=0x%x status=0x%x",
2136                  dscp, code, status);
2137         return;
2138     }
2139
2140     cm_SyncOpDone(dscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2141     lock_ReleaseWrite(&dscp->rw);
2142
2143     if (dscp->fileType != CM_SCACHETYPE_DIRECTORY) {
2144         (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
2145         cm_ReleaseSCache(dscp);
2146         osi_Log1(afsd_logp, "RDR_DeleteFileEntry Not a Directory dscp=0x%p",
2147                  dscp);
2148         return;
2149     }
2150
2151     code = cm_Lookup(dscp, FileName, 0, userp, &req, &scp);
2152     if (code) {
2153         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2154         (*ResultCB)->ResultStatus = status;
2155         (*ResultCB)->ResultBufferLength = 0;
2156         cm_ReleaseSCache(dscp);
2157         osi_Log2(afsd_logp, "RDR_DeleteFileEntry cm_Lookup failure code=0x%x status=0x%x",
2158                  code, status);
2159         return;
2160     }
2161
2162     lock_ObtainWrite(&scp->rw);
2163     code = cm_SyncOp(scp, NULL, userp, &req, PRSFS_DELETE,
2164                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2165     if (code) {
2166         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2167         (*ResultCB)->ResultStatus = status;
2168         (*ResultCB)->ResultBufferLength = 0;
2169         lock_ReleaseWrite(&scp->rw);
2170         cm_ReleaseSCache(scp);
2171         cm_ReleaseSCache(dscp);
2172         osi_Log3(afsd_logp, "RDR_DeleteFileEntry cm_SyncOp failure scp=0x%p code=0x%x status=0x%x",
2173                  scp, code, status);
2174         return;
2175     }
2176
2177     if (!bCheckOnly) {
2178         /* Drop all locks since the file is being deleted */
2179         code = cm_SyncOp(scp, NULL, userp, &req, 0,
2180                          CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
2181         if (code) {
2182             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2183             (*ResultCB)->ResultStatus = status;
2184             (*ResultCB)->ResultBufferLength = 0;
2185             lock_ReleaseWrite(&scp->rw);
2186             cm_ReleaseSCache(scp);
2187             cm_ReleaseSCache(dscp);
2188             osi_Log3(afsd_logp, "RDR_DeleteFileEntry cm_SyncOp Lock failure scp=0x%p code=0x%x status=0x%x",
2189                      scp, code, status);
2190         }
2191
2192         /* the scp is now locked and current */
2193         key = cm_GenerateKey(CM_SESSION_IFS, ProcessId, 0);
2194
2195         code = cm_UnlockByKey(scp, key,
2196                               CM_UNLOCK_FLAG_BY_FID,
2197                               userp, &req);
2198
2199         cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
2200         lock_ReleaseWrite(&scp->rw);
2201
2202         if (scp->fileType == CM_SCACHETYPE_DIRECTORY)
2203             code = cm_RemoveDir(dscp, NULL, FileName, userp, &req);
2204         else
2205             code = cm_Unlink(dscp, NULL, FileName, userp, &req);
2206     } else {
2207         lock_ReleaseWrite(&scp->rw);
2208     }
2209
2210     if (code == 0) {
2211         (*ResultCB)->ResultStatus = 0;  // We will be able to fit all the data in here
2212
2213         (*ResultCB)->ResultBufferLength = sizeof( AFSFileDeleteResultCB);
2214
2215         pResultCB = (AFSFileDeleteResultCB *)(*ResultCB)->ResultData;
2216
2217         pResultCB->ParentDataVersion.QuadPart = dscp->dataVersion;
2218         osi_Log0(afsd_logp, "RDR_DeleteFileEntry SUCCESS");
2219     } else {
2220         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2221         (*ResultCB)->ResultStatus = status;
2222         (*ResultCB)->ResultBufferLength = 0;
2223         osi_Log2(afsd_logp, "RDR_DeleteFileEntry FAILURE code=0x%x status=0x%x",
2224                   code, status);
2225     }
2226
2227     cm_ReleaseSCache(dscp);
2228     cm_ReleaseSCache(scp);
2229
2230     return;
2231 }
2232
2233 void
2234 RDR_RenameFileEntry( IN cm_user_t *userp,
2235                      IN WCHAR    *SourceFileNameCounted,
2236                      IN DWORD     SourceFileNameLength,
2237                      IN AFSFileID SourceFileId,
2238                      IN AFSFileRenameCB *pRenameCB,
2239                      IN BOOL bWow64,
2240                      IN DWORD ResultBufferLength,
2241                      IN OUT AFSCommResult **ResultCB)
2242 {
2243
2244     AFSFileRenameResultCB *pResultCB = NULL;
2245     size_t size = sizeof(AFSCommResult) + ResultBufferLength - 1;
2246     AFSFileID              SourceParentId   = pRenameCB->SourceParentId;
2247     AFSFileID              TargetParentId   = pRenameCB->TargetParentId;
2248     WCHAR *                TargetFileNameCounted = pRenameCB->TargetName;
2249     DWORD                  TargetFileNameLength = pRenameCB->TargetNameLength;
2250     cm_fid_t               SourceParentFid;
2251     cm_fid_t               TargetParentFid;
2252     cm_fid_t               SourceFid;
2253     cm_fid_t               OrigTargetFid = {0,0,0,0,0};
2254     cm_fid_t               TargetFid;
2255     cm_scache_t *          oldDscp;
2256     cm_scache_t *          newDscp;
2257     cm_dirOp_t dirop;
2258     wchar_t                shortName[13];
2259     wchar_t                SourceFileName[260];
2260     wchar_t                TargetFileName[260];
2261     cm_dirFid_t            dfid;
2262     cm_req_t               req;
2263     afs_uint32             code;
2264     DWORD                  status;
2265
2266     RDR_InitReq(&req, bWow64);
2267
2268     StringCchCopyNW(SourceFileName, 260, SourceFileNameCounted, SourceFileNameLength / sizeof(WCHAR));
2269     StringCchCopyNW(TargetFileName, 260, TargetFileNameCounted, TargetFileNameLength / sizeof(WCHAR));
2270
2271     osi_Log4(afsd_logp, "RDR_RenameFileEntry Source Parent FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
2272               SourceParentId.Cell,  SourceParentId.Volume,
2273               SourceParentId.Vnode, SourceParentId.Unique);
2274     osi_Log2(afsd_logp, "... Source Name=%S Length %u", osi_LogSaveStringW(afsd_logp, SourceFileName), SourceFileNameLength);
2275     osi_Log4(afsd_logp, "... Target Parent FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
2276               TargetParentId.Cell,  TargetParentId.Volume,
2277               TargetParentId.Vnode, TargetParentId.Unique);
2278     osi_Log2(afsd_logp, "... Target Name=%S Length %u", osi_LogSaveStringW(afsd_logp, TargetFileName), TargetFileNameLength);
2279
2280     *ResultCB = (AFSCommResult *)malloc( size);
2281     if (!(*ResultCB))
2282         return;
2283
2284     memset( *ResultCB,
2285             '\0',
2286             size);
2287
2288     pResultCB = (AFSFileRenameResultCB *)(*ResultCB)->ResultData;
2289
2290     if (SourceFileNameLength == 0 || TargetFileNameLength == 0)
2291     {
2292         osi_Log2(afsd_logp, "RDR_RenameFileEntry Invalid Name Length: src %u target %u",
2293                  SourceFileNameLength, TargetFileNameLength);
2294         (*ResultCB)->ResultStatus = STATUS_INVALID_PARAMETER;
2295         return;
2296     }
2297
2298     SourceParentFid.cell   = SourceParentId.Cell;
2299     SourceParentFid.volume = SourceParentId.Volume;
2300     SourceParentFid.vnode  = SourceParentId.Vnode;
2301     SourceParentFid.unique = SourceParentId.Unique;
2302     SourceParentFid.hash   = SourceParentId.Hash;
2303
2304     TargetParentFid.cell   = TargetParentId.Cell;
2305     TargetParentFid.volume = TargetParentId.Volume;
2306     TargetParentFid.vnode  = TargetParentId.Vnode;
2307     TargetParentFid.unique = TargetParentId.Unique;
2308     TargetParentFid.hash   = TargetParentId.Hash;
2309
2310     code = cm_GetSCache(&SourceParentFid, NULL, &oldDscp, userp, &req);
2311     if (code) {
2312         osi_Log1(afsd_logp, "RDR_RenameFileEntry cm_GetSCache source parent failed code 0x%x", code);
2313         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2314         if ( status == STATUS_INVALID_HANDLE)
2315             status = STATUS_OBJECT_PATH_INVALID;
2316         (*ResultCB)->ResultStatus = status;
2317         return;
2318     }
2319
2320     lock_ObtainWrite(&oldDscp->rw);
2321     code = cm_SyncOp(oldDscp, NULL, userp, &req, 0,
2322                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2323     if (code) {
2324         osi_Log2(afsd_logp, "RDR_RenameFileEntry cm_SyncOp oldDscp 0x%p failed code 0x%x", oldDscp, code);
2325         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2326         if ( status == STATUS_INVALID_HANDLE)
2327             status = STATUS_OBJECT_PATH_INVALID;
2328         (*ResultCB)->ResultStatus = status;
2329         lock_ReleaseWrite(&oldDscp->rw);
2330         cm_ReleaseSCache(oldDscp);
2331         return;
2332     }
2333
2334     cm_SyncOpDone(oldDscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2335     lock_ReleaseWrite(&oldDscp->rw);
2336
2337
2338     if (oldDscp->fileType != CM_SCACHETYPE_DIRECTORY) {
2339         osi_Log1(afsd_logp, "RDR_RenameFileEntry oldDscp 0x%p not a directory", oldDscp);
2340         (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
2341         cm_ReleaseSCache(oldDscp);
2342         return;
2343     }
2344
2345     code = cm_GetSCache(&TargetParentFid, NULL, &newDscp, userp, &req);
2346     if (code) {
2347         osi_Log1(afsd_logp, "RDR_RenameFileEntry cm_GetSCache target parent failed code 0x%x", code);
2348         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2349         (*ResultCB)->ResultStatus = status;
2350         cm_ReleaseSCache(oldDscp);
2351         return;
2352     }
2353
2354     lock_ObtainWrite(&newDscp->rw);
2355     code = cm_SyncOp(newDscp, NULL, userp, &req, 0,
2356                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2357     if (code) {
2358         osi_Log2(afsd_logp, "RDR_RenameFileEntry cm_SyncOp newDscp 0x%p failed code 0x%x", newDscp, code);
2359         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2360         (*ResultCB)->ResultStatus = status;
2361         lock_ReleaseWrite(&newDscp->rw);
2362         cm_ReleaseSCache(oldDscp);
2363         cm_ReleaseSCache(newDscp);
2364         return;
2365     }
2366
2367     cm_SyncOpDone(newDscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2368     lock_ReleaseWrite(&newDscp->rw);
2369
2370
2371     if (newDscp->fileType != CM_SCACHETYPE_DIRECTORY) {
2372         osi_Log1(afsd_logp, "RDR_RenameFileEntry newDscp 0x%p not a directory", newDscp);
2373         (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
2374         cm_ReleaseSCache(oldDscp);
2375         cm_ReleaseSCache(newDscp);
2376         return;
2377     }
2378
2379     /* Obtain the original FID just for debugging purposes */
2380     code = cm_BeginDirOp( oldDscp, userp, &req, CM_DIRLOCK_READ, CM_DIROP_FLAG_NONE, &dirop);
2381     if (code == 0) {
2382         code = cm_BPlusDirLookup(&dirop, SourceFileName, &SourceFid);
2383         code = cm_BPlusDirLookup(&dirop, TargetFileName, &OrigTargetFid);
2384         cm_EndDirOp(&dirop);
2385     }
2386
2387     code = cm_Rename( oldDscp, NULL, SourceFileName,
2388                       newDscp, TargetFileName, userp, &req);
2389     if (code == 0) {
2390         cm_scache_t *scp = 0;
2391         DWORD dwRemaining;
2392
2393         (*ResultCB)->ResultBufferLength = ResultBufferLength;
2394         dwRemaining = ResultBufferLength - sizeof( AFSFileRenameResultCB) + sizeof( AFSDirEnumEntry);
2395         (*ResultCB)->ResultStatus = 0;
2396
2397         pResultCB->SourceParentDataVersion.QuadPart = oldDscp->dataVersion;
2398         pResultCB->TargetParentDataVersion.QuadPart = newDscp->dataVersion;
2399
2400         osi_Log2(afsd_logp, "RDR_RenameFileEntry cm_Rename oldDscp 0x%p newDscp 0x%p SUCCESS",
2401                  oldDscp, newDscp);
2402
2403         code = cm_BeginDirOp( newDscp, userp, &req, CM_DIRLOCK_READ, CM_DIROP_FLAG_NONE, &dirop);
2404         if (code == 0) {
2405             code = cm_BPlusDirLookup(&dirop, TargetFileName, &TargetFid);
2406             cm_EndDirOp(&dirop);
2407         }
2408
2409         if (code != 0) {
2410             osi_Log1(afsd_logp, "RDR_RenameFileEntry cm_BPlusDirLookup failed code 0x%x",
2411                      code);
2412             (*ResultCB)->ResultStatus = STATUS_OBJECT_PATH_INVALID;
2413             cm_ReleaseSCache(oldDscp);
2414             cm_ReleaseSCache(newDscp);
2415             return;
2416         }
2417
2418         osi_Log4(afsd_logp, "RDR_RenameFileEntry Target FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
2419                   TargetFid.cell,  TargetFid.volume,
2420                   TargetFid.vnode, TargetFid.unique);
2421
2422         code = cm_GetSCache(&TargetFid, &newDscp->fid, &scp, userp, &req);
2423         if (code) {
2424             osi_Log1(afsd_logp, "RDR_RenameFileEntry cm_GetSCache target failed code 0x%x", code);
2425             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2426             (*ResultCB)->ResultStatus = status;
2427             cm_ReleaseSCache(oldDscp);
2428             cm_ReleaseSCache(newDscp);
2429             return;
2430         }
2431
2432         /* Make sure the source vnode is current */
2433         lock_ObtainWrite(&scp->rw);
2434         code = cm_SyncOp(scp, NULL, userp, &req, 0,
2435                           CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2436         if (code) {
2437             osi_Log2(afsd_logp, "RDR_RenameFileEntry cm_SyncOp scp 0x%p failed code 0x%x", scp, code);
2438             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2439             (*ResultCB)->ResultStatus = status;
2440             lock_ReleaseWrite(&scp->rw);
2441             cm_ReleaseSCache(oldDscp);
2442             cm_ReleaseSCache(newDscp);
2443             cm_ReleaseSCache(scp);
2444             return;
2445         }
2446
2447         cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2448         lock_ReleaseWrite(&scp->rw);
2449
2450         if (cm_shortNames) {
2451             dfid.vnode = htonl(scp->fid.vnode);
2452             dfid.unique = htonl(scp->fid.unique);
2453
2454             if (!cm_Is8Dot3(TargetFileName))
2455                 cm_Gen8Dot3NameIntW(TargetFileName, &dfid, shortName, NULL);
2456             else
2457                 shortName[0] = '\0';
2458         }
2459
2460         RDR_PopulateCurrentEntry(&pResultCB->DirEnum, dwRemaining,
2461                                  newDscp, scp, userp, &req, TargetFileName, shortName,
2462                                  RDR_POP_FOLLOW_MOUNTPOINTS | RDR_POP_EVALUATE_SYMLINKS,
2463                                  0, NULL, &dwRemaining);
2464         (*ResultCB)->ResultBufferLength = ResultBufferLength - dwRemaining;
2465         cm_ReleaseSCache(scp);
2466
2467         osi_Log0(afsd_logp, "RDR_RenameFileEntry SUCCESS");
2468     } else {
2469         osi_Log3(afsd_logp, "RDR_RenameFileEntry cm_Rename oldDscp 0x%p newDscp 0x%p failed code 0x%x",
2470                  oldDscp, newDscp, code);
2471         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2472         (*ResultCB)->ResultStatus = status;
2473         (*ResultCB)->ResultBufferLength = 0;
2474     }
2475
2476     cm_ReleaseSCache(oldDscp);
2477     cm_ReleaseSCache(newDscp);
2478     return;
2479 }
2480
2481 /*
2482  * AFS does not support cross-directory hard links but RDR_HardLinkFileEntry
2483  * is written as if AFS does.  The check for cross-directory links is
2484  * implemented in cm_Link().
2485  *
2486  * Windows supports optional ReplaceIfExists functionality.  The AFS file
2487  * server does not.  If the target name already exists and bReplaceIfExists
2488  * is true, check to see if the user has insert permission before calling
2489  * cm_Unlink() on the existing object.  If the user does not have insert
2490  * permission return STATUS_ACCESS_DENIED.
2491  */
2492
2493 void
2494 RDR_HardLinkFileEntry( IN cm_user_t *userp,
2495                        IN WCHAR    *SourceFileNameCounted,
2496                        IN DWORD     SourceFileNameLength,
2497                        IN AFSFileID SourceFileId,
2498                        IN AFSFileHardLinkCB *pHardLinkCB,
2499                        IN BOOL bWow64,
2500                        IN DWORD ResultBufferLength,
2501                        IN OUT AFSCommResult **ResultCB)
2502 {
2503
2504     AFSFileHardLinkResultCB *pResultCB = NULL;
2505     size_t size = sizeof(AFSCommResult) + ResultBufferLength - 1;
2506     AFSFileID              SourceParentId   = pHardLinkCB->SourceParentId;
2507     AFSFileID              TargetParentId   = pHardLinkCB->TargetParentId;
2508     WCHAR *                TargetFileNameCounted = pHardLinkCB->TargetName;
2509     DWORD                  TargetFileNameLength = pHardLinkCB->TargetNameLength;
2510     cm_fid_t               SourceParentFid;
2511     cm_fid_t               TargetParentFid;
2512     cm_fid_t               SourceFid;
2513     cm_fid_t               OrigTargetFid = {0,0,0,0,0};
2514     cm_scache_t *          srcDscp = NULL;
2515     cm_scache_t *          targetDscp = NULL;
2516     cm_scache_t *          srcScp = NULL;
2517     cm_dirOp_t             dirop;
2518     wchar_t                shortName[13];
2519     wchar_t                SourceFileName[260];
2520     wchar_t                TargetFileName[260];
2521     cm_dirFid_t            dfid;
2522     cm_req_t               req;
2523     afs_uint32             code;
2524     DWORD                  status;
2525
2526     RDR_InitReq(&req, bWow64);
2527
2528     StringCchCopyNW(SourceFileName, 260, SourceFileNameCounted, SourceFileNameLength / sizeof(WCHAR));
2529     StringCchCopyNW(TargetFileName, 260, TargetFileNameCounted, TargetFileNameLength / sizeof(WCHAR));
2530
2531     osi_Log4(afsd_logp, "RDR_HardLinkFileEntry Source Parent FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
2532               SourceParentId.Cell,  SourceParentId.Volume,
2533               SourceParentId.Vnode, SourceParentId.Unique);
2534     osi_Log2(afsd_logp, "... Source Name=%S Length %u", osi_LogSaveStringW(afsd_logp, SourceFileName), SourceFileNameLength);
2535     osi_Log4(afsd_logp, "... Target Parent FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
2536               TargetParentId.Cell,  TargetParentId.Volume,
2537               TargetParentId.Vnode, TargetParentId.Unique);
2538     osi_Log2(afsd_logp, "... Target Name=%S Length %u", osi_LogSaveStringW(afsd_logp, TargetFileName), TargetFileNameLength);
2539
2540     *ResultCB = (AFSCommResult *)malloc( size);
2541     if (!(*ResultCB))
2542         return;
2543
2544     memset( *ResultCB,
2545             '\0',
2546             size);
2547
2548     pResultCB = (AFSFileHardLinkResultCB *)(*ResultCB)->ResultData;
2549
2550     if (SourceFileNameLength == 0 || TargetFileNameLength == 0)
2551     {
2552         osi_Log2(afsd_logp, "RDR_HardLinkFileEntry Invalid Name Length: src %u target %u",
2553                  SourceFileNameLength, TargetFileNameLength);
2554         (*ResultCB)->ResultStatus = STATUS_INVALID_PARAMETER;
2555         return;
2556     }
2557
2558     SourceFid.cell   = SourceFileId.Cell;
2559     SourceFid.volume = SourceFileId.Volume;
2560     SourceFid.vnode  = SourceFileId.Vnode;
2561     SourceFid.unique = SourceFileId.Unique;
2562     SourceFid.hash   = SourceFileId.Hash;
2563
2564     SourceParentFid.cell   = SourceParentId.Cell;
2565     SourceParentFid.volume = SourceParentId.Volume;
2566     SourceParentFid.vnode  = SourceParentId.Vnode;
2567     SourceParentFid.unique = SourceParentId.Unique;
2568     SourceParentFid.hash   = SourceParentId.Hash;
2569
2570     TargetParentFid.cell   = TargetParentId.Cell;
2571     TargetParentFid.volume = TargetParentId.Volume;
2572     TargetParentFid.vnode  = TargetParentId.Vnode;
2573     TargetParentFid.unique = TargetParentId.Unique;
2574     TargetParentFid.hash   = TargetParentId.Hash;
2575
2576     code = cm_GetSCache(&SourceFid, NULL, &srcScp, userp, &req);
2577     if (code) {
2578         osi_Log1(afsd_logp, "RDR_HardLinkFileEntry cm_GetSCache source failed code 0x%x", code);
2579         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2580         (*ResultCB)->ResultStatus = status;
2581         return;
2582     }
2583
2584     code = cm_GetSCache(&TargetParentFid, NULL, &targetDscp, userp, &req);
2585     if (code) {
2586         osi_Log1(afsd_logp, "RDR_HardLinkFileEntry cm_GetSCache target parent failed code 0x%x", code);
2587         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2588         (*ResultCB)->ResultStatus = status;
2589         cm_ReleaseSCache(srcScp);
2590         return;
2591     }
2592
2593     lock_ObtainWrite(&targetDscp->rw);
2594     code = cm_SyncOp(targetDscp, NULL, userp, &req, PRSFS_INSERT,
2595                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2596     if (code) {
2597         osi_Log2(afsd_logp, "RDR_HardLinkFileEntry cm_SyncOp targetDscp 0x%p failed code 0x%x", targetDscp, code);
2598         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2599         (*ResultCB)->ResultStatus = status;
2600         lock_ReleaseWrite(&targetDscp->rw);
2601         cm_ReleaseSCache(srcScp);
2602         cm_ReleaseSCache(targetDscp);
2603         return;
2604     }
2605
2606     cm_SyncOpDone(targetDscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2607     lock_ReleaseWrite(&targetDscp->rw);
2608
2609     if (targetDscp->fileType != CM_SCACHETYPE_DIRECTORY) {
2610         osi_Log1(afsd_logp, "RDR_HardLinkFileEntry targetDscp 0x%p not a directory", targetDscp);
2611         (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
2612         cm_ReleaseSCache(srcScp);
2613         cm_ReleaseSCache(targetDscp);
2614         return;
2615     }
2616
2617     if ( cm_FidCmp(&SourceParentFid, &TargetParentFid) ) {
2618         code = cm_GetSCache(&SourceParentFid, NULL, &srcDscp, userp, &req);
2619         if (code) {
2620             osi_Log1(afsd_logp, "RDR_HardLinkFileEntry cm_GetSCache source parent failed code 0x%x", code);
2621             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2622             if ( status == STATUS_INVALID_HANDLE)
2623                 status = STATUS_OBJECT_PATH_INVALID;
2624             (*ResultCB)->ResultStatus = status;
2625             cm_ReleaseSCache(srcScp);
2626             cm_ReleaseSCache(targetDscp);
2627             return;
2628         }
2629
2630         lock_ObtainWrite(&srcDscp->rw);
2631         code = cm_SyncOp(srcDscp, NULL, userp, &req, 0,
2632                           CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2633         if (code) {
2634             osi_Log2(afsd_logp, "RDR_HardLinkFileEntry cm_SyncOp srcDscp 0x%p failed code 0x%x", srcDscp, code);
2635             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2636             if ( status == STATUS_INVALID_HANDLE)
2637                 status = STATUS_OBJECT_PATH_INVALID;
2638             (*ResultCB)->ResultStatus = status;
2639             lock_ReleaseWrite(&srcDscp->rw);
2640             if (srcDscp != targetDscp)
2641                 cm_ReleaseSCache(srcDscp);
2642             cm_ReleaseSCache(targetDscp);
2643             cm_ReleaseSCache(srcScp);
2644             return;
2645         }
2646
2647         cm_SyncOpDone(srcDscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2648         lock_ReleaseWrite(&srcDscp->rw);
2649
2650         if (srcDscp->fileType != CM_SCACHETYPE_DIRECTORY) {
2651             osi_Log1(afsd_logp, "RDR_HardLinkFileEntry srcDscp 0x%p not a directory", srcDscp);
2652             (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
2653             if (srcDscp != targetDscp)
2654                 cm_ReleaseSCache(srcDscp);
2655             cm_ReleaseSCache(targetDscp);
2656             cm_ReleaseSCache(srcScp);
2657             return;
2658         }
2659     } else {
2660         srcDscp = targetDscp;
2661     }
2662
2663     /* Obtain the target FID if it exists */
2664     code = cm_BeginDirOp( targetDscp, userp, &req, CM_DIRLOCK_READ, CM_DIROP_FLAG_NONE, &dirop);
2665     if (code == 0) {
2666         code = cm_BPlusDirLookup(&dirop, TargetFileName, &OrigTargetFid);
2667         cm_EndDirOp(&dirop);
2668     }
2669
2670     if (OrigTargetFid.vnode) {
2671
2672         /* An object exists with the target name */
2673         if (!pHardLinkCB->bReplaceIfExists) {
2674             osi_Log0(afsd_logp, "RDR_HardLinkFileEntry target name collision and !ReplaceIfExists");
2675             (*ResultCB)->ResultStatus = STATUS_OBJECT_NAME_COLLISION;
2676             if (srcDscp != targetDscp)
2677                 cm_ReleaseSCache(srcDscp);
2678             cm_ReleaseSCache(targetDscp);
2679             cm_ReleaseSCache(srcScp);
2680             return;
2681         }
2682
2683         lock_ObtainWrite(&targetDscp->rw);
2684         code = cm_SyncOp(targetDscp, NULL, userp, &req, PRSFS_INSERT | PRSFS_DELETE,
2685                           CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2686         if (code) {
2687             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2688             (*ResultCB)->ResultStatus = status;
2689             lock_ReleaseWrite(&srcDscp->rw);
2690             if (srcDscp != targetDscp)
2691                 cm_ReleaseSCache(srcDscp);
2692             cm_ReleaseSCache(targetDscp);
2693             cm_ReleaseSCache(srcScp);
2694             return;
2695         }
2696         cm_SyncOpDone(targetDscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2697         lock_ReleaseWrite(&targetDscp->rw);
2698
2699         code = cm_Unlink(targetDscp, NULL, TargetFileName, userp, &req);
2700         if (code) {
2701             osi_Log1(afsd_logp, "RDR_HardLinkFileEntry cm_Unlink code 0x%x", code);
2702             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2703             (*ResultCB)->ResultStatus = status;
2704             lock_ReleaseWrite(&srcDscp->rw);
2705             if (srcDscp != targetDscp)
2706                 cm_ReleaseSCache(srcDscp);
2707             cm_ReleaseSCache(targetDscp);
2708             cm_ReleaseSCache(srcScp);
2709             return;
2710         }
2711     }
2712
2713     code = cm_Link( targetDscp, TargetFileName, srcScp, 0, userp, &req);
2714     if (code == 0) {
2715         cm_fid_t TargetFid;
2716         cm_scache_t *targetScp = 0;
2717         DWORD dwRemaining;
2718
2719         (*ResultCB)->ResultBufferLength = ResultBufferLength;
2720         dwRemaining = ResultBufferLength - sizeof( AFSFileHardLinkResultCB) + sizeof( AFSDirEnumEntry);
2721         (*ResultCB)->ResultStatus = 0;
2722
2723         pResultCB->SourceParentDataVersion.QuadPart = srcDscp->dataVersion;
2724         pResultCB->TargetParentDataVersion.QuadPart = targetDscp->dataVersion;
2725
2726         osi_Log2(afsd_logp, "RDR_HardLinkFileEntry cm_Link srcDscp 0x%p targetDscp 0x%p SUCCESS",
2727                  srcDscp, targetDscp);
2728
2729         code = cm_BeginDirOp( targetDscp, userp, &req, CM_DIRLOCK_READ, CM_DIROP_FLAG_NONE, &dirop);
2730         if (code == 0) {
2731             code = cm_BPlusDirLookup(&dirop, TargetFileName, &TargetFid);
2732             cm_EndDirOp(&dirop);
2733         }
2734
2735         if (code != 0) {
2736             osi_Log1(afsd_logp, "RDR_HardLinkFileEntry cm_BPlusDirLookup failed code 0x%x",
2737                      code);
2738             (*ResultCB)->ResultStatus = STATUS_OBJECT_PATH_INVALID;
2739             if (srcDscp != targetDscp)
2740                 cm_ReleaseSCache(srcDscp);
2741             cm_ReleaseSCache(srcScp);
2742             cm_ReleaseSCache(targetDscp);
2743             return;
2744         }
2745
2746         osi_Log4(afsd_logp, "RDR_HardLinkFileEntry Target FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
2747                   TargetFid.cell,  TargetFid.volume,
2748                   TargetFid.vnode, TargetFid.unique);
2749
2750         code = cm_GetSCache(&TargetFid, &targetDscp->fid, &targetScp, userp, &req);
2751         if (code) {
2752             osi_Log1(afsd_logp, "RDR_HardLinkFileEntry cm_GetSCache target failed code 0x%x", code);
2753             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2754             (*ResultCB)->ResultStatus = status;
2755             if (srcDscp != targetDscp)
2756                 cm_ReleaseSCache(srcDscp);
2757             cm_ReleaseSCache(srcScp);
2758             cm_ReleaseSCache(targetDscp);
2759             return;
2760         }
2761
2762         /* Make sure the source vnode is current */
2763         lock_ObtainWrite(&targetScp->rw);
2764         code = cm_SyncOp(targetScp, NULL, userp, &req, 0,
2765                          CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2766         if (code) {
2767             osi_Log2(afsd_logp, "RDR_HardLinkFileEntry cm_SyncOp scp 0x%p failed code 0x%x",
2768                      targetScp, code);
2769             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2770             (*ResultCB)->ResultStatus = status;
2771             lock_ReleaseWrite(&targetScp->rw);
2772             cm_ReleaseSCache(targetScp);
2773             if (srcDscp != targetDscp)
2774                 cm_ReleaseSCache(srcDscp);
2775             cm_ReleaseSCache(srcScp);
2776             cm_ReleaseSCache(targetDscp);
2777             return;
2778         }
2779
2780         cm_SyncOpDone(targetScp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2781         lock_ReleaseWrite(&targetScp->rw);
2782
2783         if (cm_shortNames) {
2784             dfid.vnode = htonl(targetScp->fid.vnode);
2785             dfid.unique = htonl(targetScp->fid.unique);
2786
2787             if (!cm_Is8Dot3(TargetFileName))
2788                 cm_Gen8Dot3NameIntW(TargetFileName, &dfid, shortName, NULL);
2789             else
2790                 shortName[0] = '\0';
2791         }
2792
2793         RDR_PopulateCurrentEntry(&pResultCB->DirEnum, dwRemaining,
2794                                  targetDscp, targetScp, userp, &req, TargetFileName, shortName,
2795                                  RDR_POP_FOLLOW_MOUNTPOINTS | RDR_POP_EVALUATE_SYMLINKS,
2796                                  0, NULL, &dwRemaining);
2797         (*ResultCB)->ResultBufferLength = ResultBufferLength - dwRemaining;
2798         cm_ReleaseSCache(targetScp);
2799
2800         osi_Log0(afsd_logp, "RDR_HardLinkFileEntry SUCCESS");
2801     } else {
2802         osi_Log3(afsd_logp, "RDR_HardLinkFileEntry cm_Link srcDscp 0x%p targetDscp 0x%p failed code 0x%x",
2803                  srcDscp, targetDscp, code);
2804         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2805         (*ResultCB)->ResultStatus = status;
2806         (*ResultCB)->ResultBufferLength = 0;
2807     }
2808
2809     cm_ReleaseSCache(srcScp);
2810     if (srcDscp != targetDscp)
2811         cm_ReleaseSCache(srcDscp);
2812     cm_ReleaseSCache(targetDscp);
2813     return;
2814 }
2815
2816 void
2817 RDR_FlushFileEntry( IN cm_user_t *userp,
2818                     IN AFSFileID FileId,
2819                     IN BOOL bWow64,
2820                     IN DWORD ResultBufferLength,
2821                     IN OUT AFSCommResult **ResultCB)
2822 {
2823     cm_scache_t *scp = NULL;
2824     cm_fid_t    Fid;
2825     afs_uint32  code;
2826     cm_req_t    req;
2827     DWORD       status;
2828 #ifdef ODS_DEBUG
2829     char        dbgstr[1024];
2830 #endif
2831
2832     RDR_InitReq(&req, bWow64);
2833
2834     osi_Log4(afsd_logp, "RDR_FlushFileEntry File FID cell 0x%x vol 0x%x vno 0x%x uniq 0x%x",
2835               FileId.Cell, FileId.Volume,
2836               FileId.Vnode, FileId.Unique);
2837 #ifdef ODS_DEBUG
2838     snprintf( dbgstr, 1024,
2839               "RDR_FlushFileEntry File FID cell 0x%x vol 0x%x vno 0x%x uniq 0x%x\n",
2840               FileId.Cell, FileId.Volume,
2841               FileId.Vnode, FileId.Unique);
2842     OutputDebugStringA( dbgstr);
2843 #endif
2844
2845     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult));
2846     if (!(*ResultCB)) {
2847         osi_Log0(afsd_logp, "RDR_FlushFileEntry out of memory");
2848         return;
2849     }
2850
2851     memset( *ResultCB,
2852             '\0',
2853             sizeof( AFSCommResult));
2854
2855     /* Process the release */
2856     Fid.cell = FileId.Cell;
2857     Fid.volume = FileId.Volume;
2858     Fid.vnode = FileId.Vnode;
2859     Fid.unique = FileId.Unique;
2860     Fid.hash = FileId.Hash;
2861
2862     code = cm_GetSCache(&Fid, NULL, &scp, userp, &req);
2863     if (code) {
2864         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2865         (*ResultCB)->ResultStatus = status;
2866         osi_Log2(afsd_logp, "RDR_FlushFileEntry cm_GetSCache FID failure code=0x%x status=0x%x",
2867                   code, status);
2868         return;
2869     }
2870
2871     lock_ObtainWrite(&scp->rw);
2872     if (scp->flags & CM_SCACHEFLAG_DELETED) {
2873         lock_ReleaseWrite(&scp->rw);
2874         (*ResultCB)->ResultStatus = STATUS_INVALID_HANDLE;
2875         return;
2876     }
2877
2878     code = cm_SyncOp(scp, NULL, userp, &req, 0,
2879                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2880     if (code) {
2881         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2882         (*ResultCB)->ResultStatus = status;
2883         lock_ReleaseWrite(&scp->rw);
2884         cm_ReleaseSCache(scp);
2885         osi_Log3(afsd_logp, "RDR_FlushFileEntry cm_SyncOp failure scp=0x%p code=0x%x status=0x%x",
2886                  scp, code, status);
2887         return;
2888     }
2889
2890     cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2891     lock_ReleaseWrite(&scp->rw);
2892
2893     code = cm_FSync(scp, userp, &req, FALSE);
2894     cm_ReleaseSCache(scp);
2895
2896     if (code) {
2897         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2898         (*ResultCB)->ResultStatus = status;
2899         osi_Log2(afsd_logp, "RDR_FlushFileEntry FAILURE code=0x%x status=0x%x",
2900                   code, status);
2901     } else {
2902         (*ResultCB)->ResultStatus = 0;
2903         osi_Log0(afsd_logp, "RDR_FlushFileEntry SUCCESS");
2904     }
2905     (*ResultCB)->ResultBufferLength = 0;
2906
2907     return;
2908 }
2909
2910 afs_uint32
2911 RDR_CheckAccess( IN cm_scache_t *scp, cm_user_t *userp, cm_req_t *reqp,
2912                  ULONG access,
2913                  ULONG *granted)
2914 {
2915     ULONG afs_acc, afs_gr;
2916     BOOLEAN file, dir;
2917     afs_uint32 code = 0;
2918
2919     file = (scp->fileType == CM_SCACHETYPE_FILE);
2920     dir = !file;
2921
2922     /* access definitions from prs_fs.h */
2923     afs_acc = 0;
2924     if (access & FILE_READ_DATA)
2925         afs_acc |= PRSFS_READ;
2926     if (access & FILE_READ_EA || access & FILE_READ_ATTRIBUTES)
2927         afs_acc |= PRSFS_READ;
2928     if (file && ((access & FILE_WRITE_DATA) || (access & FILE_APPEND_DATA)))
2929         afs_acc |= PRSFS_WRITE;
2930     if (access & FILE_WRITE_EA || access & FILE_WRITE_ATTRIBUTES)
2931         afs_acc |= PRSFS_WRITE;
2932     if (dir && ((access & FILE_ADD_FILE) || (access & FILE_ADD_SUBDIRECTORY)))
2933         afs_acc |= PRSFS_INSERT;
2934     if (dir && (access & FILE_LIST_DIRECTORY))
2935         afs_acc |= PRSFS_LOOKUP;
2936     if (file && (access & FILE_EXECUTE))
2937         afs_acc |= PRSFS_WRITE;
2938     if (dir && (access & FILE_TRAVERSE))
2939         afs_acc |= PRSFS_READ;
2940     if (dir && (access & FILE_DELETE_CHILD))
2941         afs_acc |= PRSFS_DELETE;
2942     if ((access & DELETE))
2943         afs_acc |= PRSFS_DELETE;
2944
2945     /* check ACL with server */
2946     lock_ObtainWrite(&scp->rw);
2947     while (1)
2948     {
2949         if (cm_HaveAccessRights(scp, userp, reqp, afs_acc, &afs_gr))
2950         {
2951             break;
2952         }
2953         else
2954         {
2955             /* we don't know the required access rights */
2956             code = cm_GetAccessRights(scp, userp, reqp);
2957             if (code)
2958                 break;
2959             continue;
2960         }
2961     }
2962     lock_ReleaseWrite(&(scp->rw));
2963
2964     if (code == 0) {
2965         *granted = 0;
2966         if (afs_gr & PRSFS_READ)
2967             *granted |= FILE_READ_DATA | FILE_READ_EA | FILE_READ_ATTRIBUTES | FILE_EXECUTE;
2968         if (afs_gr & PRSFS_WRITE)
2969             *granted |= FILE_WRITE_DATA | FILE_APPEND_DATA | FILE_WRITE_EA | FILE_WRITE_ATTRIBUTES | FILE_EXECUTE;
2970         if (afs_gr & PRSFS_INSERT)
2971             *granted |= (dir ? FILE_ADD_FILE | FILE_ADD_SUBDIRECTORY : 0) | (file ? FILE_ADD_SUBDIRECTORY : 0);
2972         if (afs_gr & PRSFS_LOOKUP)
2973             *granted |= (dir ? FILE_LIST_DIRECTORY : 0);
2974         if (afs_gr & PRSFS_DELETE)
2975             *granted |= FILE_DELETE_CHILD | DELETE;
2976         if (afs_gr & PRSFS_LOCK)
2977             *granted |= 0;
2978         if (afs_gr & PRSFS_ADMINISTER)
2979             *granted |= 0;
2980
2981         *granted |= SYNCHRONIZE | READ_CONTROL;
2982
2983         /* don't give more access than what was requested */
2984         *granted &= access;
2985         osi_Log3(afsd_logp, "RDR_CheckAccess SUCCESS scp=0x%p requested=0x%x granted=0x%x", scp, access, *granted);
2986     } else
2987         osi_Log2(afsd_logp, "RDR_CheckAccess FAILURE scp=0x%p code=0x%x",
2988                  scp, code);
2989
2990     return code;
2991 }
2992
2993 void
2994 RDR_OpenFileEntry( IN cm_user_t *userp,
2995                    IN AFSFileID FileId,
2996                    IN AFSFileOpenCB *OpenCB,
2997                    IN BOOL bWow64,
2998                    IN BOOL bHoldFid,
2999                    IN DWORD ResultBufferLength,
3000                    IN OUT AFSCommResult **ResultCB)
3001 {
3002     AFSFileOpenResultCB *pResultCB = NULL;
3003     cm_scache_t *scp = NULL;
3004     cm_user_t   *sysUserp = NULL;
3005     cm_fid_t    Fid;
3006     cm_lock_data_t      *ldp = NULL;
3007     afs_uint32  code;
3008     cm_req_t    req;
3009     DWORD       status;
3010
3011     RDR_InitReq(&req, bWow64);
3012
3013     osi_Log4(afsd_logp, "RDR_OpenFileEntry File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
3014               FileId.Cell, FileId.Volume,
3015               FileId.Vnode, FileId.Unique);
3016
3017     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult) + sizeof( AFSFileOpenResultCB));
3018     if (!(*ResultCB)) {
3019         osi_Log0(afsd_logp, "RDR_OpenFileEntry out of memory");
3020         return;
3021     }
3022
3023     memset( *ResultCB,
3024             '\0',
3025             sizeof( AFSCommResult) + sizeof( AFSFileOpenResultCB));
3026
3027     pResultCB = (AFSFileOpenResultCB *)(*ResultCB)->ResultData;
3028
3029     /* Process the release */
3030     Fid.cell = FileId.Cell;
3031     Fid.volume = FileId.Volume;
3032     Fid.vnode = FileId.Vnode;
3033     Fid.unique = FileId.Unique;
3034     Fid.hash = FileId.Hash;
3035
3036     code = cm_GetSCache(&Fid, NULL, &scp, userp, &req);
3037     if (code) {
3038         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
3039         (*ResultCB)->ResultStatus = status;
3040         osi_Log2(afsd_logp, "RDR_OpenFileEntry cm_GetSCache FID failure code=0x%x status=0x%x",
3041                   code, status);
3042         return;
3043     }
3044
3045     lock_ObtainWrite(&scp->rw);
3046     code = cm_SyncOp(scp, NULL, userp, &req, 0,
3047                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
3048     if (code) {
3049         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
3050         (*ResultCB)->ResultStatus = status;
3051         lock_ReleaseWrite(&scp->rw);
3052         cm_ReleaseSCache(scp);
3053         osi_Log3(afsd_logp, "RDR_OpenFileEntry cm_SyncOp failure scp=0x%p code=0x%x status=0x%x",
3054                  scp, code, status);
3055         return;
3056     }
3057
3058     cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
3059     lock_ReleaseWrite(&scp->rw);
3060
3061     sysUserp = RDR_GetLocalSystemUser();
3062
3063     /*
3064      * Skip the open check if the request is coming from the local system account.
3065      * The local system has no tokens and therefore any requests sent to a file
3066      * server will fail.  Unfortunately, there are special system processes that
3067      * perform actions on files and directories in preparation for memory mapping
3068      * executables.  If the open check fails, the real request from the user process
3069      * will never be issued.
3070      *
3071      * Permitting the file system to allow subsequent operations to proceed does
3072      * not compromise security.  All requests to obtain file data or directory
3073      * enumerations will subsequently fail if they are not submitted under the
3074      * context of a process for that have access to the necessary credentials.
3075      */
3076
3077     if ( userp == sysUserp)
3078     {
3079         osi_Log1(afsd_logp, "RDR_OpenFileEntry LOCAL_SYSTEM access check skipped scp=0x%p",
3080                  scp);
3081         pResultCB->GrantedAccess = OpenCB->DesiredAccess;
3082         pResultCB->FileAccess = AFS_FILE_ACCESS_NOLOCK;
3083         code = 0;
3084     }
3085     else
3086     {
3087         int count = 0;
3088
3089         do {
3090             if (count++ > 0) {
3091                 Sleep(350);
3092                 osi_Log3(afsd_logp,
3093                          "RDR_OpenFileEntry repeating open check scp=0x%p userp=0x%p code=0x%x",
3094                          scp, userp, code);
3095             }
3096             code = cm_CheckNTOpen(scp, OpenCB->DesiredAccess, OpenCB->ShareAccess,
3097                                   OPEN_ALWAYS,
3098                                   OpenCB->ProcessId, OpenCB->Identifier,
3099                                   userp, &req, &ldp);
3100             if (code == 0)
3101                 code = RDR_CheckAccess(scp, userp, &req, OpenCB->DesiredAccess, &pResultCB->GrantedAccess);
3102             cm_CheckNTOpenDone(scp, userp, &req, &ldp);
3103         } while (count < 100 && (code == CM_ERROR_RETRY || code == CM_ERROR_WOULDBLOCK));
3104     }
3105
3106     /*
3107      * If we are restricting sharing, we should do so with a suitable
3108      * share lock.
3109      */
3110     if (code == 0 && scp->fileType == CM_SCACHETYPE_FILE && !(OpenCB->ShareAccess & FILE_SHARE_WRITE)) {
3111         cm_key_t key;
3112         LARGE_INTEGER LOffset, LLength;
3113         int sLockType;
3114
3115         LOffset.HighPart = SMB_FID_QLOCK_HIGH;
3116         LOffset.LowPart = SMB_FID_QLOCK_LOW;
3117         LLength.HighPart = 0;
3118         LLength.LowPart = SMB_FID_QLOCK_LENGTH;
3119
3120         /*
3121          * If we are not opening the file for writing, then we don't
3122          * try to get an exclusive lock.  No one else should be able to
3123          * get an exclusive lock on the file anyway, although someone
3124          * else can get a shared lock.
3125          */
3126         if ((OpenCB->ShareAccess & FILE_SHARE_READ) || !(OpenCB->DesiredAccess & AFS_ACCESS_WRITE))
3127         {
3128             sLockType = LOCKING_ANDX_SHARED_LOCK;
3129         } else {
3130             sLockType = 0;
3131         }
3132
3133         key = cm_GenerateKey(CM_SESSION_IFS, SMB_FID_QLOCK_PID, OpenCB->Identifier);
3134
3135         lock_ObtainWrite(&scp->rw);
3136         code = cm_Lock(scp, sLockType, LOffset, LLength, key, 0, userp, &req, NULL);
3137         lock_ReleaseWrite(&scp->rw);
3138
3139         if (code) {
3140             code = CM_ERROR_SHARING_VIOLATION;
3141             pResultCB->FileAccess = AFS_FILE_ACCESS_NOLOCK;
3142         } else {
3143             if (sLockType == LOCKING_ANDX_SHARED_LOCK)
3144                 pResultCB->FileAccess = AFS_FILE_ACCESS_SHARED;
3145             else
3146                 pResultCB->FileAccess = AFS_FILE_ACCESS_EXCLUSIVE;
3147         }
3148     } else {
3149         pResultCB->FileAccess = AFS_FILE_ACCESS_NOLOCK;
3150     }
3151
3152     cm_ReleaseUser(sysUserp);
3153     if (code == 0 && bHoldFid)
3154         RDR_FlagScpInUse( scp, FALSE );
3155     cm_ReleaseSCache(scp);
3156
3157     if (code) {
3158         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
3159         (*ResultCB)->ResultStatus = status;
3160         osi_Log2(afsd_logp, "RDR_OpenFileEntry FAILURE code=0x%x status=0x%x",
3161                   code, status);
3162     } else {
3163         (*ResultCB)->ResultStatus = 0;
3164         (*ResultCB)->ResultBufferLength = sizeof( AFSFileOpenResultCB);
3165         osi_Log0(afsd_logp, "RDR_OpenFileEntry SUCCESS");
3166     }
3167     return;
3168 }
3169
3170 void
3171 RDR_ReleaseFileAccess( IN cm_user_t *userp,
3172                        IN AFSFileID FileId,
3173                        IN AFSFileAccessReleaseCB *ReleaseFileCB,
3174                        IN BOOL bWow64,
3175                        IN DWORD ResultBufferLength,
3176                        IN OUT AFSCommResult **ResultCB)
3177 {
3178     cm_key_t key;
3179     unsigned int sLockType;
3180     LARGE_INTEGER LOffset, LLength;
3181     cm_scache_t *scp = NULL;
3182     cm_fid_t    Fid;
3183     afs_uint32  code;
3184     cm_req_t    req;
3185     DWORD       status;
3186
3187     RDR_InitReq(&req, bWow64);
3188
3189     osi_Log4(afsd_logp, "RDR_ReleaseFileAccess File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
3190               FileId.Cell, FileId.Volume,
3191               FileId.Vnode, FileId.Unique);
3192
3193     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult));
3194     if (!(*ResultCB)) {
3195         osi_Log0(afsd_logp, "RDR_ReleaseFileAccess out of memory");
3196         return;
3197     }
3198
3199     memset( *ResultCB, '\0', sizeof( AFSCommResult));
3200
3201     if (ReleaseFileCB->FileAccess == AFS_FILE_ACCESS_NOLOCK)
3202         return;
3203
3204     /* Process the release */
3205     Fid.cell = FileId.Cell;
3206     Fid.volume = FileId.Volume;
3207     Fid.vnode = FileId.Vnode;
3208     Fid.unique = FileId.Unique;
3209     Fid.hash = FileId.Hash;
3210
3211     code = cm_GetSCache(&Fid, NULL, &scp, userp, &req);
3212     if (code) {
3213         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
3214         (*ResultCB)->ResultStatus = status;
3215         osi_Log2(afsd_logp, "RDR_ReleaseFileAccess cm_GetSCache FID failure code=0x%x status=0x%x",
3216                   code, status);
3217         return;
3218     }
3219
3220     if (ReleaseFileCB->FileAccess == AFS_FILE_ACCESS_SHARED)
3221         sLockType = LOCKING_ANDX_SHARED_LOCK;
3222     else
3223         sLockType = 0;
3224
3225     key = cm_GenerateKey(CM_SESSION_IFS, SMB_FID_QLOCK_PID, ReleaseFileCB->Identifier);
3226
3227     LOffset.HighPart = SMB_FID_QLOCK_HIGH;
3228     LOffset.LowPart = SMB_FID_QLOCK_LOW;
3229     LLength.HighPart = 0;
3230     LLength.LowPart = SMB_FID_QLOCK_LENGTH;
3231
3232     lock_ObtainWrite(&scp->rw);
3233
3234     code = cm_SyncOp(scp, NULL, userp, &req, 0, CM_SCACHESYNC_LOCK);
3235     if (code == 0)
3236     {
3237         code = cm_Unlock(scp, sLockType, LOffset, LLength, key, 0, userp, &req);
3238
3239         cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_LOCK);
3240
3241         if (code == CM_ERROR_RANGE_NOT_LOCKED)
3242         {
3243             osi_Log3(afsd_logp, "RDR_ReleaseFileAccess Range Not Locked -- FileAccess 0x%x ProcessId 0x%x HandleId 0x%x",
3244                      ReleaseFileCB->FileAccess, ReleaseFileCB->ProcessId, ReleaseFileCB->Identifier);
3245         }
3246     }
3247
3248     lock_ReleaseWrite(&scp->rw);
3249
3250     osi_Log0(afsd_logp, "RDR_ReleaseFileAccessEntry SUCCESS");
3251 }
3252
3253 static const char *
3254 HexCheckSum(unsigned char * buf, int buflen, unsigned char * md5cksum)
3255 {
3256     int i, k;
3257     static char tr[16] = {'0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'};
3258
3259     if (buflen < 33)
3260         return "buffer length too small to HexCheckSum";
3261
3262     for (i=0;i<16;i++) {
3263         k = md5cksum[i];
3264
3265         buf[i*2] = tr[k / 16];
3266         buf[i*2+1] = tr[k % 16];
3267     }
3268     buf[32] = '\0';
3269
3270     return buf;
3271 }
3272
3273 /*
3274  * Extent requests from the file system are triggered when a file
3275  * page is not resident in the Windows cache.  The file system is
3276  * responsible for loading the page but cannot block the request
3277  * while doing so.  The AFS Redirector forwards the requests to
3278  * the AFS cache manager while indicating to Windows that the page
3279  * is not yet available.  A polling operation will then ensue with
3280  * the AFS Redirector issuing a RDR_RequestFileExtentsXXX call for
3281  * each poll attempt.  As each request is received and processed
3282  * by a separate worker thread in the service, this can lead to
3283  * contention by multiple threads attempting to claim the same
3284  * cm_buf_t objects.  Therefore, it is important that
3285  *
3286  *  (a) the service avoid processing more than one overlapping
3287  *      extent request at a time
3288  *  (b) background daemon processing be used to avoid blocking
3289  *      of ioctl threads
3290  *
3291  * Beginning with the 20091122 build of the redirector, the redirector
3292  * will not issue an additional RDR_RequestFileExtentsXXX call for
3293  * each poll request.  Instead, afsd_service is required to track
3294  * the requests and return them to the redirector or fail the
3295  * portions of the request that cannot be satisfied.
3296  *
3297  * The request processing returns any extents that can be returned
3298  * immediately to the redirector.  The rest of the requested range(s)
3299  * are queued as background operations using RDR_BkgFetch().
3300  */
3301
3302 /* do the background fetch. */
3303 afs_int32
3304 RDR_BkgFetch(cm_scache_t *scp, void *rockp, cm_user_t *userp, cm_req_t *reqp)
3305 {
3306     osi_hyper_t length;
3307     osi_hyper_t base;
3308     osi_hyper_t offset;
3309     osi_hyper_t end;
3310     osi_hyper_t fetched;
3311     osi_hyper_t tblocksize;
3312     afs_int32 code;
3313     int rwheld = 0;
3314     cm_buf_t *bufp = NULL;
3315     DWORD dwResultBufferLength;
3316     AFSSetFileExtentsCB *pResultCB;
3317     DWORD status;
3318     afs_uint32 count=0;
3319     AFSFileID FileId;
3320     int reportErrorToRedir = 0;
3321     int force_retry = 0;
3322
3323     FileId.Cell = scp->fid.cell;
3324     FileId.Volume = scp->fid.volume;
3325     FileId.Vnode = scp->fid.vnode;
3326     FileId.Unique = scp->fid.unique;
3327     FileId.Hash = scp->fid.hash;
3328
3329     fetched.LowPart = 0;
3330     fetched.HighPart = 0;
3331     tblocksize = ConvertLongToLargeInteger(cm_data.buf_blockSize);
3332     base = ((rock_BkgFetch_t *)rockp)->base;
3333     length = ((rock_BkgFetch_t *)rockp)->length;
3334     end = LargeIntegerAdd(base, length);
3335
3336     osi_Log5(afsd_logp, "Starting BKG Fetch scp 0x%p offset 0x%x:%x length 0x%x:%x",
3337              scp, base.HighPart, base.LowPart, length.HighPart, length.LowPart);
3338
3339     /*
3340      * Make sure we have a callback.
3341      * This is necessary so that we can return access denied
3342      * if a callback cannot be granted.
3343      */
3344     lock_ObtainWrite(&scp->rw);
3345     code = cm_SyncOp(scp, NULL, userp, reqp, PRSFS_READ,
3346                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
3347     if (code) {
3348         lock_ReleaseWrite(&scp->rw);
3349         osi_Log2(afsd_logp, "RDR_BkgFetch cm_SyncOp failure scp=0x%p code=0x%x",
3350                  scp, code);
3351         smb_MapNTError(cm_MapRPCError(code, reqp), &status, TRUE);
3352         RDR_SetFileStatus( &scp->fid, &userp->authgroup, status);
3353         return code;
3354     }
3355     lock_ReleaseWrite(&scp->rw);
3356
3357     dwResultBufferLength = (DWORD)(sizeof( AFSSetFileExtentsCB) + sizeof( AFSFileExtentCB) * (length.QuadPart / cm_data.blockSize + 1));
3358     pResultCB = (AFSSetFileExtentsCB *)malloc( dwResultBufferLength );
3359     if (!pResultCB)
3360         return CM_ERROR_RETRY;
3361
3362     memset( pResultCB, '\0', dwResultBufferLength );
3363     pResultCB->FileId = FileId;
3364
3365     for ( code = 0, offset = base;
3366           code == 0 && LargeIntegerLessThan(offset, end);
3367           offset = LargeIntegerAdd(offset, tblocksize) )
3368     {
3369         int bBufRelease = TRUE;
3370
3371         if (rwheld) {
3372             lock_ReleaseWrite(&scp->rw);
3373             rwheld = 0;
3374         }
3375
3376         code = buf_Get(scp, &offset, reqp, &bufp);
3377         if (code) {
3378             /*
3379              * any error from buf_Get() is non-fatal.
3380              * we need to re-queue this extent fetch.
3381              */
3382             force_retry = 1;
3383             break;
3384         }
3385
3386         if (!rwheld) {
3387             lock_ObtainWrite(&scp->rw);
3388             rwheld = 1;
3389         }
3390
3391         code = cm_GetBuffer(scp, bufp, NULL, userp, reqp);
3392         if (code == 0) {
3393             if (!(bufp->qFlags & CM_BUF_QREDIR)) {
3394 #ifdef VALIDATE_CHECK_SUM
3395 #ifdef ODS_DEBUG
3396                 char md5dbg[33];
3397                 char dbgstr[1024];
3398 #endif
3399 #endif
3400                 if (bufp->flags & CM_BUF_DIRTY)
3401                     cm_BufWrite(scp, &bufp->offset, cm_data.buf_blockSize, CM_BUF_WRITE_SCP_LOCKED, userp, reqp);
3402
3403                 lock_ObtainWrite(&buf_globalLock);
3404                 if (!(bufp->flags & CM_BUF_DIRTY) &&
3405                     bufp->cmFlags == 0 &&
3406                     !(bufp->qFlags & CM_BUF_QREDIR)) {
3407                     buf_InsertToRedirQueue(scp, bufp);
3408                     lock_ReleaseWrite(&buf_globalLock);
3409
3410 #ifdef VALIDATE_CHECK_SUM
3411                     buf_ComputeCheckSum(bufp);
3412 #endif
3413                     pResultCB->FileExtents[count].Flags = 0;
3414                     pResultCB->FileExtents[count].FileOffset.QuadPart = bufp->offset.QuadPart;
3415                     pResultCB->FileExtents[count].CacheOffset.QuadPart = bufp->datap - RDR_extentBaseAddress;
3416                     pResultCB->FileExtents[count].Length = cm_data.blockSize;
3417                     count++;
3418                     fetched = LargeIntegerAdd(fetched, tblocksize);
3419                     bBufRelease = FALSE;
3420
3421 #ifdef VALIDATE_CHECK_SUM
3422 #ifdef ODS_DEBUG
3423                     HexCheckSum(md5dbg, sizeof(md5dbg), bufp->md5cksum);
3424                     snprintf( dbgstr, 1024,
3425                               "RDR_BkgFetch md5 %s vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
3426                               md5dbg,
3427                               scp->fid.volume, scp->fid.vnode, scp->fid.unique,
3428                               pResultCB->FileExtents[count].FileOffset.HighPart,
3429                               pResultCB->FileExtents[count].FileOffset.LowPart,
3430                               pResultCB->FileExtents[count].CacheOffset.HighPart,
3431                               pResultCB->FileExtents[count].CacheOffset.LowPart);
3432                     OutputDebugStringA( dbgstr);
3433 #endif
3434 #endif
3435                     osi_Log4(afsd_logp, "RDR_BkgFetch Extent2FS bufp 0x%p foffset 0x%p coffset 0x%p len 0x%x",
3436                               bufp, bufp->offset.QuadPart, bufp->datap - RDR_extentBaseAddress, cm_data.blockSize);
3437                 } else {
3438                     lock_ReleaseWrite(&buf_globalLock);
3439                     if ((bufp->cmFlags != 0) || (bufp->flags & CM_BUF_DIRTY)) {
3440                         /* An I/O operation is already in progress */
3441                         force_retry = 1;
3442                         osi_Log4(afsd_logp, "RDR_BkgFetch Extent2FS Not delivering to Redirector Dirty or Busy bufp 0x%p foffset 0x%p coffset 0x%p len 0x%x",
3443                                   bufp, bufp->offset.QuadPart, bufp->datap - RDR_extentBaseAddress, cm_data.blockSize);
3444                     } else {
3445                         osi_Log4(afsd_logp, "RDR_BkgFetch Extent2FS Already held by Redirector bufp 0x%p foffset 0x%p coffset 0x%p len 0x%x",
3446                                   bufp, bufp->offset.QuadPart, bufp->datap - RDR_extentBaseAddress, cm_data.blockSize);
3447                     }
3448                 }
3449             } else {
3450                 osi_Log4(afsd_logp, "RDR_BkgFetch Extent2FS Already held by Redirector bufp 0x%p foffset 0x%p coffset 0x%p len 0x%x",
3451                           bufp, bufp->offset.QuadPart, bufp->datap - RDR_extentBaseAddress, cm_data.blockSize);
3452             }
3453         } else {
3454             /*
3455              * depending on what the error from cm_GetBuffer is
3456              * it may or may not be fatal.  Only return fatal errors.
3457              * Re-queue a request for others.
3458              */
3459             osi_Log5(afsd_logp, "RDR_BkgFetch Extent2FS FAILURE bufp 0x%p foffset 0x%p coffset 0x%p len 0x%x code 0x%x",
3460                       bufp, offset.QuadPart, bufp->datap - RDR_extentBaseAddress, cm_data.blockSize, code);
3461             switch (code) {
3462             case CM_ERROR_NOACCESS:
3463             case CM_ERROR_NOSUCHFILE:
3464             case CM_ERROR_NOSUCHPATH:
3465             case CM_ERROR_NOSUCHVOLUME:
3466             case CM_ERROR_NOSUCHCELL:
3467             case CM_ERROR_INVAL:
3468             case CM_ERROR_BADFD:
3469             case CM_ERROR_CLOCKSKEW:
3470             case RXKADNOAUTH:
3471             case CM_ERROR_QUOTA:
3472             case CM_ERROR_LOCK_CONFLICT:
3473             case EIO:
3474             case CM_ERROR_INVAL_NET_RESP:
3475             case CM_ERROR_UNKNOWN:
3476                 /*
3477                  * these are fatal errors.  deliver what we can
3478                  * and halt.
3479                  */
3480                 reportErrorToRedir = 1;
3481                 break;
3482             default:
3483                 /*
3484                  * non-fatal errors.  re-queue the exent
3485                  */
3486                 code = CM_ERROR_RETRY;
3487                 force_retry = 1;
3488             }
3489         }
3490
3491         if (bBufRelease)
3492             buf_Release(bufp);
3493     }
3494
3495     if (!rwheld) {
3496         lock_ObtainWrite(&scp->rw);
3497         rwheld = 1;
3498     }
3499
3500     /* wakeup anyone who is waiting */
3501     if (scp->flags & CM_SCACHEFLAG_WAITING) {
3502         osi_Log1(afsd_logp, "RDR Bkg Fetch Waking scp 0x%p", scp);
3503         osi_Wakeup((LONG_PTR) &scp->flags);
3504     }
3505     lock_ReleaseWrite(&scp->rw);
3506
3507     if (count > 0) {
3508         pResultCB->ExtentCount = count;
3509         RDR_SetFileExtents( pResultCB, dwResultBufferLength);
3510     }
3511     free(pResultCB);
3512
3513     if (reportErrorToRedir) {
3514         smb_MapNTError(cm_MapRPCError(code, reqp), &status, TRUE);
3515         RDR_SetFileStatus( &scp->fid, &userp->authgroup, status);
3516     }
3517
3518     osi_Log4(afsd_logp, "Ending BKG Fetch scp 0x%p code 0x%x fetched 0x%x:%x",
3519              scp, code, fetched.HighPart, fetched.LowPart);
3520
3521     return force_retry ? CM_ERROR_RETRY : code;
3522 }
3523
3524
3525 BOOL
3526 RDR_RequestFileExtentsAsync( IN cm_user_t *userp,
3527                              IN AFSFileID FileId,
3528                              IN AFSRequestExtentsCB *RequestExtentsCB,
3529                              IN BOOL bWow64,
3530                              IN OUT DWORD * ResultBufferLength,
3531                              IN OUT AFSSetFileExtentsCB **ResultCB)
3532 {
3533     AFSSetFileExtentsCB *pResultCB = NULL;
3534     DWORD Length;
3535     DWORD count;
3536     DWORD status;
3537     cm_scache_t *scp = NULL;
3538     cm_fid_t    Fid;
3539     cm_buf_t    *bufp;
3540     afs_uint32  code = 0;
3541     osi_hyper_t thyper;
3542     LARGE_INTEGER ByteOffset, BeginOffset, EndOffset, QueueOffset;
3543     afs_uint32  QueueLength;
3544     cm_req_t    req;
3545     BOOLEAN     bBufRelease = TRUE;
3546
3547     RDR_InitReq(&req, bWow64);
3548     req.flags |= CM_REQ_NORETRY;
3549
3550     osi_Log4(afsd_logp, "RDR_RequestFileExtentsAsync File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
3551               FileId.Cell, FileId.Volume,
3552               FileId.Vnode, FileId.Unique);
3553     osi_Log4(afsd_logp, "... Flags 0x%x ByteOffset 0x%x:%x Length 0x%x",
3554              RequestExtentsCB->Flags,
3555              RequestExtentsCB->ByteOffset.HighPart, RequestExtentsCB->ByteOffset.LowPart,
3556              RequestExtentsCB->Length);
3557     Length = sizeof( AFSSetFileExtentsCB) + sizeof( AFSFileExtentCB) * (RequestExtentsCB->Length / cm_data.blockSize + 1);
3558
3559     pResultCB = *ResultCB = (AFSSetFileExtentsCB *)malloc( Length );
3560     if (*ResultCB == NULL) {
3561         *ResultBufferLength = 0;
3562         return FALSE;
3563     }
3564     *ResultBufferLength = Length;
3565
3566     memset( pResultCB, '\0', Length );
3567     pResultCB->FileId = FileId;
3568
3569     Fid.cell = FileId.Cell;
3570     Fid.volume = FileId.Volume;
3571     Fid.vnode = FileId.Vnode;
3572     Fid.unique = FileId.Unique;
3573     Fid.hash = FileId.Hash;
3574
3575     code = cm_GetSCache(&Fid, NULL, &scp, userp, &req);
3576     if (code) {
3577         osi_Log1(afsd_logp, "RDR_RequestFileExtentsAsync cm_GetSCache FID failure code=0x%x",
3578                   code);
3579         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
3580         return FALSE;
3581     }
3582
3583     /*
3584      * Make sure we have a callback.
3585      * This is necessary so that we can return access denied
3586      * if a callback cannot be granted.
3587      */
3588     lock_ObtainWrite(&scp->rw);
3589     code = cm_SyncOp(scp, NULL, userp, &req, PRSFS_READ,
3590                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
3591     lock_ReleaseWrite(&scp->rw);
3592     if (code) {
3593         cm_ReleaseSCache(scp);
3594         osi_Log2(afsd_logp, "RDR_RequestFileExtentsAsync cm_SyncOp failure scp=0x%p code=0x%x",
3595                  scp, code);
3596         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
3597         RDR_SetFileStatus( &scp->fid, &userp->authgroup, status);
3598         return FALSE;
3599     }
3600
3601     /* Allocate the extents from the buffer package */
3602     for ( count = 0,
3603           ByteOffset = BeginOffset = RequestExtentsCB->ByteOffset,
3604           EndOffset.QuadPart = ByteOffset.QuadPart + RequestExtentsCB->Length;
3605           code == 0 && ByteOffset.QuadPart < EndOffset.QuadPart;
3606           ByteOffset.QuadPart += cm_data.blockSize)
3607     {
3608         BOOL bHaveBuffer = FALSE;
3609
3610         QueueLength = 0;
3611         thyper.QuadPart = ByteOffset.QuadPart;
3612
3613         code = buf_Get(scp, &thyper, &req, &bufp);
3614         if (code == 0) {
3615             lock_ObtainMutex(&bufp->mx);
3616             bBufRelease = TRUE;
3617
3618             if (bufp->qFlags & CM_BUF_QREDIR) {
3619                 bHaveBuffer = TRUE;
3620             } else if (bufp->flags & CM_BUF_DIRTY) {
3621                 bHaveBuffer = FALSE;
3622 #if 0
3623                 code = buf_CleanAsyncLocked(scp, bufp, &req, 0, NULL);
3624                 switch (code) {
3625                 case 0:
3626                     bHaveBuffer = TRUE;
3627                     break;
3628                 case CM_ERROR_RETRY:
3629                     /* Couldn't flush it, obtain it asynchronously so we don't block the thread. */
3630                     bHaveBuffer = FALSE;
3631                     code = 0;
3632                     break;
3633                 default:
3634                     smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
3635                     RDR_SetFileStatus(&FileId, &userp->authgroup, status);
3636                     bHaveBuffer = FALSE;
3637                     code = 0;
3638                 }
3639 #endif
3640             } else {
3641                 osi_hyper_t minLength;  /* effective end of file */
3642
3643                 lock_ObtainRead(&scp->rw);
3644                 bHaveBuffer = cm_HaveBuffer(scp, bufp, TRUE);
3645
3646                 if (LargeIntegerGreaterThan(scp->length, scp->serverLength))
3647                     minLength = scp->serverLength;
3648                 else
3649                     minLength = scp->length;
3650
3651                 if (LargeIntegerGreaterThanOrEqualTo(bufp->offset, minLength)) {
3652                     if (!bHaveBuffer) {
3653                         memset(bufp->datap, 0, cm_data.buf_blockSize);
3654                         bufp->dataVersion = scp->dataVersion;
3655                         bHaveBuffer = TRUE;
3656                     }
3657                     else if (bufp->dataVersion == CM_BUF_VERSION_BAD) {
3658                         bufp->dataVersion = scp->dataVersion;
3659                     }
3660                 }
3661                 else if ((RequestExtentsCB->Flags & AFS_EXTENT_FLAG_CLEAN) &&
3662                          ByteOffset.QuadPart <= bufp->offset.QuadPart &&
3663                          EndOffset.QuadPart >= bufp->offset.QuadPart + cm_data.blockSize)
3664                 {
3665                     memset(bufp->datap, 0, cm_data.blockSize);
3666                     bufp->dataVersion = scp->dataVersion;
3667                     buf_SetDirty(bufp, &req, 0, cm_data.blockSize, userp);
3668                     bHaveBuffer = TRUE;
3669                 }
3670                 lock_ReleaseRead(&scp->rw);
3671             }
3672
3673             /*
3674              * if this buffer is already up to date, skip it.
3675              */
3676             if (bHaveBuffer) {
3677                 if (ByteOffset.QuadPart == BeginOffset.QuadPart) {
3678                     BeginOffset.QuadPart += cm_data.blockSize;
3679                 } else {
3680                     QueueLength = (afs_uint32)(ByteOffset.QuadPart - BeginOffset.QuadPart);
3681                     QueueOffset = BeginOffset;
3682                     BeginOffset = ByteOffset;
3683                 }
3684
3685                 if (!(bufp->qFlags & CM_BUF_QREDIR)) {
3686 #ifdef VALIDATE_CHECK_SUM
3687 #ifdef ODS_DEBUG
3688                     char md5dbg[33];
3689                     char dbgstr[1024];
3690 #endif
3691 #endif
3692                     lock_ObtainWrite(&buf_globalLock);
3693                     if (!(bufp->qFlags & CM_BUF_QREDIR)) {
3694                         buf_InsertToRedirQueue(scp, bufp);
3695                         lock_ReleaseWrite(&buf_globalLock);
3696
3697 #ifdef VALIDATE_CHECK_SUM
3698                         buf_ComputeCheckSum(bufp);
3699 #endif
3700                         /* we already have the buffer, return it now */
3701                         pResultCB->FileExtents[count].Flags = 0;
3702                         pResultCB->FileExtents[count].FileOffset = ByteOffset;
3703                         pResultCB->FileExtents[count].CacheOffset.QuadPart = bufp->datap - RDR_extentBaseAddress;
3704                         pResultCB->FileExtents[count].Length = cm_data.blockSize;
3705                         count++;
3706
3707                         bBufRelease = FALSE;
3708
3709 #ifdef VALIDATE_CHECK_SUM
3710 #ifdef ODS_DEBUG
3711                         HexCheckSum(md5dbg, sizeof(md5dbg), bufp->md5cksum);
3712                         snprintf( dbgstr, 1024,
3713                                   "RDR_RequestFileExtentsAsync md5 %s vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
3714                                   md5dbg,
3715                                   scp->fid.volume, scp->fid.vnode, scp->fid.unique,
3716                                   pResultCB->FileExtents[count].FileOffset.HighPart,
3717                                   pResultCB->FileExtents[count].FileOffset.LowPart,
3718                                   pResultCB->FileExtents[count].CacheOffset.HighPart,
3719                                   pResultCB->FileExtents[count].CacheOffset.LowPart);
3720                         OutputDebugStringA( dbgstr);
3721 #endif
3722 #endif
3723                         osi_Log4(afsd_logp, "RDR_RequestFileExtentsAsync Extent2FS bufp 0x%p foffset 0x%p coffset 0x%p len 0x%x",
3724                                  bufp, ByteOffset.QuadPart, bufp->datap - RDR_extentBaseAddress, cm_data.blockSize);
3725                     } else {
3726                         lock_ReleaseWrite(&buf_globalLock);
3727                     }
3728                 } else {
3729                     if (bBufRelease) {
3730                         /*
3731                          * The service is not handing off the extent to the redirector in this pass.
3732                          * However, we know the buffer is in recent use so move the buffer to the
3733                          * front of the queue
3734                          */
3735                         lock_ObtainWrite(&buf_globalLock);
3736                         buf_MoveToHeadOfRedirQueue(scp, bufp);
3737                         lock_ReleaseWrite(&buf_globalLock);
3738
3739                         osi_Log4(afsd_logp, "RDR_RequestFileExtentsAsync Extent2FS Already held by Redirector bufp 0x%p foffset 0x%p coffset 0x%p len 0x%x",
3740                                  bufp, ByteOffset.QuadPart, bufp->datap - RDR_extentBaseAddress, cm_data.blockSize);
3741                     }
3742                 }
3743             }
3744             lock_ReleaseMutex(&bufp->mx);
3745             if (bBufRelease)
3746                 buf_Release(bufp);
3747
3748             if (QueueLength) {
3749                 rock_BkgFetch_t * rockp = malloc(sizeof(*rockp));
3750
3751                 if (rockp) {
3752                     req.flags &= ~CM_REQ_NORETRY;
3753                     rockp->base = QueueOffset;
3754                     rockp->length.LowPart = QueueLength;
3755                     rockp->length.HighPart = 0;
3756
3757                     cm_QueueBKGRequest(scp, RDR_BkgFetch, rockp, userp, &req);
3758                     osi_Log3(afsd_logp, "RDR_RequestFileExtentsAsync Queued a Background Fetch offset 0x%x:%x length 0x%x",
3759                               QueueOffset.HighPart, QueueOffset.LowPart, QueueLength);
3760                     req.flags |= CM_REQ_NORETRY;
3761                 } else {
3762                     code = ENOMEM;
3763                 }
3764             }
3765         } else {
3766             /* No error from buf_Get() can be fatal */
3767             osi_Log3(afsd_logp, "RDR_RequestFileExtentsAsync buf_Get FAILURE offset 0x%x:%x code 0x%x",
3768                      BeginOffset.HighPart, BeginOffset.LowPart, code);
3769         }
3770     }
3771
3772     if (BeginOffset.QuadPart != EndOffset.QuadPart) {
3773         afs_uint32 length = (afs_uint32)(EndOffset.QuadPart - BeginOffset.QuadPart);
3774         rock_BkgFetch_t * rockp = malloc(sizeof(*rockp));
3775
3776         if (rockp) {
3777             req.flags &= ~CM_REQ_NORETRY;
3778             rockp->base = BeginOffset;
3779             rockp->length.LowPart = length;
3780             rockp->length.HighPart = 0;
3781
3782             cm_QueueBKGRequest(scp, RDR_BkgFetch, rockp, userp, &req);
3783             osi_Log3(afsd_logp, "RDR_RequestFileExtentsAsync Queued a Background Fetch offset 0x%x:%x length 0x%x",
3784                      BeginOffset.HighPart, BeginOffset.LowPart, length);
3785         } else {
3786             code = ENOMEM;
3787         }
3788     }
3789     cm_ReleaseSCache(scp);
3790
3791     (*ResultCB)->ExtentCount = count;
3792     osi_Log1(afsd_logp, "RDR_RequestFileExtentsAsync replying with 0x%x extent records", count);
3793     return FALSE;
3794 }
3795
3796 /*
3797  * When processing an extent release the extents must be accepted back by
3798  * the service even if there is an error condition returned to the redirector.
3799  * For example, there may no longer be a callback present or the file may
3800  * have been deleted on the file server.  Regardless, the extents must be
3801  * put back into the pool.
3802  */
3803 void
3804 RDR_ReleaseFileExtents( IN cm_user_t *userp,
3805                         IN AFSFileID FileId,
3806                         IN AFSReleaseExtentsCB *ReleaseExtentsCB,
3807                         IN BOOL bWow64,
3808                         IN DWORD ResultBufferLength,
3809                         IN OUT AFSCommResult **ResultCB)
3810 {
3811     DWORD count;
3812     cm_scache_t *scp = NULL;
3813     cm_fid_t    Fid;
3814     cm_buf_t    *bufp;
3815     afs_uint32  code;
3816     osi_hyper_t thyper;
3817     cm_req_t    req;
3818     int         dirty = 0;
3819     int         released = 0;
3820     int         deleted = 0;
3821     DWORD       status;
3822     rock_BkgStore_t *rockp;
3823 #ifdef ODS_DEBUG
3824 #ifdef VALIDATE_CHECK_SUM
3825     char md5dbg[33], md5dbg2[33], md5dbg3[33];
3826 #endif
3827     char dbgstr[1024];
3828 #endif
3829
3830     RDR_InitReq(&req, bWow64);
3831
3832     osi_Log4(afsd_logp, "RDR_ReleaseFileExtents File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
3833               FileId.Cell, FileId.Volume,
3834               FileId.Vnode, FileId.Unique);
3835
3836     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult));
3837     if (!(*ResultCB))
3838         return;
3839
3840     memset( *ResultCB,
3841             '\0',
3842             sizeof( AFSCommResult));
3843
3844     /* Process the release */
3845     Fid.cell = FileId.Cell;
3846     Fid.volume = FileId.Volume;
3847     Fid.vnode = FileId.Vnode;
3848     Fid.unique = FileId.Unique;
3849     Fid.hash = FileId.Hash;
3850
3851     code = cm_GetSCache(&Fid, NULL, &scp, userp, &req);
3852     if (code) {
3853         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
3854         (*ResultCB)->ResultStatus = status;
3855         osi_Log2(afsd_logp, "RDR_ReleaseFileExtents cm_GetSCache FID failure code=0x%x status=0x%x",
3856                   code, status);
3857     }
3858
3859     deleted = scp && (scp->flags & CM_SCACHEFLAG_DELETED);
3860
3861     /*
3862      * We do not stop processing as a result of being unable to find the cm_scache object.
3863      * If this occurs something really bad has happened since the cm_scache object must have
3864      * been recycled while extents were held by the redirector.  However, we will be resilient
3865      * and carry on without it.
3866      *
3867      * If the file is known to be deleted, there is no point attempting to ask the
3868      * file server about it or update the attributes.
3869      */
3870     if (scp && ReleaseExtentsCB->AllocationSize.QuadPart != scp->length.QuadPart &&
3871         !deleted)
3872     {
3873         cm_attr_t setAttr;
3874
3875         memset(&setAttr, 0, sizeof(cm_attr_t));
3876         lock_ObtainWrite(&scp->rw);
3877         if (ReleaseExtentsCB->AllocationSize.QuadPart != scp->length.QuadPart) {
3878
3879             osi_Log4(afsd_logp, "RDR_ReleaseFileExtents new length fid vol 0x%x vno 0x%x length 0x%x:%x",
3880                       scp->fid.volume, scp->fid.vnode,
3881                       ReleaseExtentsCB->AllocationSize.HighPart,
3882                       ReleaseExtentsCB->AllocationSize.LowPart);
3883
3884             setAttr.mask |= CM_ATTRMASK_LENGTH;
3885             setAttr.length.LowPart = ReleaseExtentsCB->AllocationSize.LowPart;
3886             setAttr.length.HighPart = ReleaseExtentsCB->AllocationSize.HighPart;
3887         }
3888         lock_ReleaseWrite(&scp->rw);
3889         if (setAttr.mask)
3890             code = cm_SetAttr(scp, &setAttr, userp, &req);
3891     }
3892
3893     for ( count = 0; count < ReleaseExtentsCB->ExtentCount; count++) {
3894         AFSFileExtentCB * pExtent = &ReleaseExtentsCB->FileExtents[count];
3895
3896         thyper.QuadPart = pExtent->FileOffset.QuadPart;
3897
3898         bufp = buf_Find(&Fid, &thyper);
3899         if (bufp) {
3900             if (pExtent->Flags & AFS_EXTENT_FLAG_UNKNOWN) {
3901                 if (!(bufp->qFlags & CM_BUF_QREDIR)) {
3902                     osi_Log4(afsd_logp, "RDR_ReleaseFileExtents extent vol 0x%x vno 0x%x foffset 0x%x:%x",
3903                               Fid.volume, Fid.vnode,
3904                               pExtent->FileOffset.HighPart,
3905                               pExtent->FileOffset.LowPart);
3906                     osi_Log2(afsd_logp, "... coffset 0x%x:%x UNKNOWN to redirector; previously released",
3907                               pExtent->CacheOffset.HighPart,
3908                               pExtent->CacheOffset.LowPart);
3909                 } else {
3910                     osi_Log4(afsd_logp, "RDR_ReleaseFileExtents extent vol 0x%x vno 0x%x foffset 0x%x:%x",
3911                               Fid.volume, Fid.vnode,
3912                               pExtent->FileOffset.HighPart,
3913                               pExtent->FileOffset.LowPart);
3914                     osi_Log2(afsd_logp, "... coffset 0x%x:%x UNKNOWN to redirector; owned by redirector",
3915                               pExtent->CacheOffset.HighPart,
3916                               pExtent->CacheOffset.LowPart);
3917                 }
3918                 buf_Release(bufp);
3919                 continue;
3920             }
3921
3922             if (pExtent->Flags & AFS_EXTENT_FLAG_IN_USE) {
3923                 osi_Log4(afsd_logp, "RDR_ReleaseFileExtents extent vol 0x%x vno 0x%x foffset 0x%x:%x",
3924                           Fid.volume, Fid.vnode,
3925                           pExtent->FileOffset.HighPart,
3926                           pExtent->FileOffset.LowPart);
3927                 osi_Log2(afsd_logp, "... coffset 0x%x:%x IN_USE by file system",
3928                           pExtent->CacheOffset.HighPart,
3929                           pExtent->CacheOffset.LowPart);
3930
3931                 /* Move the buffer to the front of the queue */
3932                 lock_ObtainWrite(&buf_globalLock);
3933                 buf_MoveToHeadOfRedirQueue(scp, bufp);
3934                 lock_ReleaseWrite(&buf_globalLock);
3935                 buf_Release(bufp);
3936                 continue;
3937             }
3938
3939             if (bufp->datap - RDR_extentBaseAddress == pExtent->CacheOffset.QuadPart) {
3940                 if (!(bufp->qFlags & CM_BUF_QREDIR)) {
3941                     osi_Log4(afsd_logp, "RDR_ReleaseFileExtents extent vol 0x%x vno 0x%x foffset 0x%x:%x not held by file system",
3942                              Fid.volume, Fid.vnode, pExtent->FileOffset.HighPart,
3943                              pExtent->FileOffset.LowPart);
3944                     osi_Log2(afsd_logp, "... coffset 0x%x:%x",
3945                              pExtent->CacheOffset.HighPart,
3946                              pExtent->CacheOffset.LowPart);
3947                 } else {
3948                     osi_Log4(afsd_logp, "RDR_ReleaseFileExtents bufp 0x%p vno 0x%x foffset 0x%x:%x",
3949                               bufp, bufp->fid.vnode, pExtent->FileOffset.HighPart,
3950                               pExtent->FileOffset.LowPart);
3951                     osi_Log2(afsd_logp, "... coffset 0x%x:%x",
3952                              pExtent->CacheOffset.HighPart,
3953                              pExtent->CacheOffset.LowPart);
3954
3955                     if (pExtent->Flags || ReleaseExtentsCB->Flags) {
3956                         lock_ObtainMutex(&bufp->mx);
3957                         if ( (ReleaseExtentsCB->Flags & AFS_EXTENT_FLAG_RELEASE) ||
3958                              (pExtent->Flags & AFS_EXTENT_FLAG_RELEASE) )
3959                         {
3960                             if (bufp->qFlags & CM_BUF_QREDIR) {
3961                                 lock_ObtainWrite(&buf_globalLock);
3962                                 if (bufp->qFlags & CM_BUF_QREDIR) {
3963                                     buf_RemoveFromRedirQueue(scp, bufp);
3964                                     buf_ReleaseLocked(bufp, TRUE);
3965                                 }
3966                                 lock_ReleaseWrite(&buf_globalLock);
3967                             }
3968 #ifdef ODS_DEBUG
3969                             snprintf( dbgstr, 1024,
3970                                       "RDR_ReleaseFileExtents releasing: vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
3971                                       Fid.volume, Fid.vnode, Fid.unique,
3972                                       pExtent->FileOffset.HighPart,
3973                                       pExtent->FileOffset.LowPart,
3974                                       pExtent->CacheOffset.HighPart,
3975                                       pExtent->CacheOffset.LowPart);
3976                             OutputDebugStringA( dbgstr);
3977 #endif
3978                             released++;
3979                         } else {
3980 #ifdef ODS_DEBUG
3981                             snprintf( dbgstr, 1024,
3982                                       "RDR_ReleaseFileExtents not releasing: vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
3983                                       Fid.volume, Fid.vnode, Fid.unique,
3984                                       pExtent->FileOffset.HighPart,
3985                                       pExtent->FileOffset.LowPart,
3986                                       pExtent->CacheOffset.HighPart,
3987                                       pExtent->CacheOffset.LowPart);
3988                             OutputDebugStringA( dbgstr);
3989 #endif
3990                             osi_Log4( afsd_logp, "RDR_ReleaseFileExtents not releasing vol 0x%x vno 0x%x foffset 0x%x:%x",
3991                                       Fid.volume, Fid.vnode,
3992                                       pExtent->FileOffset.HighPart,
3993                                       pExtent->FileOffset.LowPart);
3994                             osi_Log2( afsd_logp, "... coffset 0x%x:%x",
3995                                       pExtent->CacheOffset.HighPart,
3996                                       pExtent->CacheOffset.LowPart);
3997                         }
3998
3999                         if ( (ReleaseExtentsCB->Flags & AFS_EXTENT_FLAG_DIRTY) ||
4000                              (pExtent->Flags & AFS_EXTENT_FLAG_DIRTY) )
4001                         {
4002 #ifdef VALIDATE_CHECK_SUM
4003 #ifdef ODS_DEBUG
4004                             HexCheckSum(md5dbg, sizeof(md5dbg), bufp->md5cksum);
4005 #endif
4006
4007                             /*
4008                              * if the saved checksum matches the checksum of the current state of the buffer
4009                              * then the buffer is the same as what was given to the kernel.
4010                              */
4011                             if ( buf_ValidateCheckSum(bufp) ) {
4012                                 buf_ComputeCheckSum(bufp);
4013
4014                                 if (pExtent->Flags & AFS_EXTENT_FLAG_MD5_SET)
4015                                 {
4016 #ifdef ODS_DEBUG
4017                                     HexCheckSum(md5dbg2, sizeof(md5dbg2), pExtent->MD5);
4018                                     HexCheckSum(md5dbg3, sizeof(md5dbg3), bufp->md5cksum);
4019 #endif
4020                                     if (memcmp(bufp->md5cksum, pExtent->MD5, 16))
4021                                     {
4022 #ifdef ODS_DEBUG
4023                                         snprintf( dbgstr, 1024,
4024                                                   "RDR_ReleaseFileExtents dirty flag set but not dirty and user != kernel: old %s kernel %s new %s vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
4025                                                   md5dbg, md5dbg2,md5dbg3,
4026                                                   Fid.volume, Fid.vnode, Fid.unique,
4027                                                   pExtent->FileOffset.HighPart,
4028                                                   pExtent->FileOffset.LowPart,
4029                                                   pExtent->CacheOffset.HighPart,
4030                                                   pExtent->CacheOffset.LowPart);
4031                                         OutputDebugStringA( dbgstr);
4032 #endif
4033                                         osi_Log4( afsd_logp, "RDR_ReleaseFileExtents dirty flag set and checksums do not match! vol 0x%x vno 0x%x foffset 0x%x:%x",
4034                                                   Fid.volume, Fid.vnode,
4035                                                   pExtent->FileOffset.HighPart,
4036                                                   pExtent->FileOffset.LowPart);
4037                                         osi_Log2( afsd_logp, "... coffset 0x%x:%x",
4038                                                   pExtent->CacheOffset.HighPart,
4039                                                   pExtent->CacheOffset.LowPart);
4040                                         buf_SetDirty(bufp, &req, pExtent->DirtyOffset, pExtent->DirtyLength, userp);
4041                                         dirty++;
4042                                     } else {
4043 #ifdef ODS_DEBUG
4044                                         snprintf( dbgstr, 1024,
4045                                                   "RDR_ReleaseFileExtents dirty flag set but not dirty and user == kernel: old %s kernel %s new %s vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
4046                                                   md5dbg, md5dbg2, md5dbg3,
4047                                                   Fid.volume, Fid.vnode, Fid.unique,
4048                                                   pExtent->FileOffset.HighPart,
4049                                                   pExtent->FileOffset.LowPart,
4050                                                   pExtent->CacheOffset.HighPart,
4051                                                   pExtent->CacheOffset.LowPart);
4052                                         OutputDebugStringA( dbgstr);
4053 #endif
4054                                         osi_Log4( afsd_logp, "RDR_ReleaseFileExtents dirty flag set but extent has not changed vol 0x%x vno 0x%x foffset 0x%x:%x",
4055                                                   Fid.volume, Fid.vnode,
4056                                                   pExtent->FileOffset.HighPart,
4057                                                   pExtent->FileOffset.LowPart);
4058                                         osi_Log2( afsd_logp, "... coffset 0x%x:%x",
4059                                                   pExtent->CacheOffset.HighPart,
4060                                                   pExtent->CacheOffset.LowPart);
4061                                     }
4062                                 } else {
4063 #ifdef ODS_DEBUG
4064                                         snprintf( dbgstr, 1024,
4065                                                   "RDR_ReleaseFileExtents dirty flag set but not dirty: vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
4066                                                   Fid.volume, Fid.vnode, Fid.unique,
4067                                                   pExtent->FileOffset.HighPart,
4068                                                   pExtent->FileOffset.LowPart,
4069                                                   pExtent->CacheOffset.HighPart,
4070                                                   pExtent->CacheOffset.LowPart);
4071                                         OutputDebugStringA( dbgstr);
4072 #endif
4073                                         osi_Log4( afsd_logp, "RDR_ReleaseFileExtents dirty flag set but extent has not changed vol 0x%x vno 0x%x foffset 0x%x:%x",
4074                                                   Fid.volume, Fid.vnode,
4075                                                   pExtent->FileOffset.HighPart,
4076                                                   pExtent->FileOffset.LowPart);
4077                                         osi_Log2( afsd_logp, "... coffset 0x%x:%x",
4078                                                   pExtent->CacheOffset.HighPart,
4079                                                   pExtent->CacheOffset.LowPart);
4080                                 }
4081                             } else {
4082                                 buf_ComputeCheckSum(bufp);
4083 #ifdef ODS_DEBUG
4084                                 if (pExtent->Flags & AFS_EXTENT_FLAG_MD5_SET)
4085                                 {
4086                                     HexCheckSum(md5dbg3, sizeof(md5dbg3), bufp->md5cksum);
4087                                     if (memcmp(bufp->md5cksum, pExtent->MD5, 16))
4088                                     {
4089                                         snprintf( dbgstr, 1024,
4090                                                   "RDR_ReleaseFileExtents dirty flag set and dirty and user != kernel: old %s kernel %s new %s vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
4091                                                   md5dbg, md5dbg2,md5dbg3,
4092                                                   Fid.volume, Fid.vnode, Fid.unique,
4093                                                   pExtent->FileOffset.HighPart,
4094                                                   pExtent->FileOffset.LowPart,
4095                                                   pExtent->CacheOffset.HighPart,
4096                                                   pExtent->CacheOffset.LowPart);
4097                                         OutputDebugStringA( dbgstr);
4098                                     } else {
4099                                         snprintf( dbgstr, 1024,
4100                                                   "RDR_ReleaseFileExtents dirty flag set and dirty and user == kernel: old %s kernel %s new %s vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
4101                                                   md5dbg, md5dbg2,md5dbg3,
4102                                                   Fid.volume, Fid.vnode, Fid.unique,
4103                                                   pExtent->FileOffset.HighPart,
4104                                                   pExtent->FileOffset.LowPart,
4105                                                   pExtent->CacheOffset.HighPart,
4106                                                   pExtent->CacheOffset.LowPart);
4107                                         OutputDebugStringA( dbgstr);
4108                                     }
4109                                 } else {
4110                                     snprintf( dbgstr, 1024,
4111                                               "RDR_ReleaseFileExtents dirty flag set: vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
4112                                               Fid.volume, Fid.vnode, Fid.unique,
4113                                               pExtent->FileOffset.HighPart,
4114                                               pExtent->FileOffset.LowPart,
4115                                               pExtent->CacheOffset.HighPart,
4116                                               pExtent->CacheOffset.LowPart);
4117                                     OutputDebugStringA( dbgstr);
4118                                 }
4119 #endif
4120                                 buf_SetDirty(bufp, &req, pExtent->DirtyOffset, pExtent->DirtyLength, userp);
4121                                 dirty++;
4122                             }
4123 #else /* !VALIDATE_CHECK_SUM */
4124                             buf_SetDirty(bufp, &req, pExtent->DirtyOffset, pExtent->DirtyLength, userp);
4125                             dirty++;
4126 #endif /* VALIDATE_CHECK_SUM */
4127                         }
4128 #ifdef VALIDATE_CHECK_SUM
4129                         else {
4130 #ifdef ODS_DEBUG
4131                             HexCheckSum(md5dbg, sizeof(md5dbg), bufp->md5cksum);
4132 #endif
4133                             if ( !buf_ValidateCheckSum(bufp) ) {
4134                                 buf_ComputeCheckSum(bufp);
4135 #ifdef ODS_DEBUG
4136                                 HexCheckSum(md5dbg3, sizeof(md5dbg2), bufp->md5cksum);
4137                                 snprintf( dbgstr, 1024,
4138                                           "RDR_ReleaseFileExtents dirty flag not set but dirty! old %s new %s vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
4139                                           md5dbg, md5dbg3,
4140                                           Fid.volume, Fid.vnode, Fid.unique,
4141                                           pExtent->FileOffset.HighPart,
4142                                           pExtent->FileOffset.LowPart,
4143                                           pExtent->CacheOffset.HighPart,
4144                                           pExtent->CacheOffset.LowPart);
4145                                 OutputDebugStringA( dbgstr);
4146 #endif
4147                                 osi_Log4( afsd_logp, "RDR_ReleaseFileExtents dirty flag not set but extent has changed vol 0x%x vno 0x%x foffset 0x%x:%x",
4148                                           Fid.volume, Fid.vnode,
4149                                           pExtent->FileOffset.HighPart,
4150                                           pExtent->FileOffset.LowPart);
4151                                 osi_Log2( afsd_logp, "... coffset 0x%x:%x",
4152                                           pExtent->CacheOffset.HighPart,
4153                                           pExtent->CacheOffset.LowPart);
4154                                 buf_SetDirty(bufp, &req, pExtent->DirtyOffset, pExtent->DirtyLength, userp);
4155                                 dirty++;
4156                             } else {
4157                                 buf_ComputeCheckSum(bufp);
4158 #ifdef ODS_DEBUG
4159                                 HexCheckSum(md5dbg3, sizeof(md5dbg2), bufp->md5cksum);
4160                                 snprintf( dbgstr, 1024,
4161                                           "RDR_ReleaseFileExtents dirty flag not set: vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
4162                                           Fid.volume, Fid.vnode, Fid.unique,
4163                                           pExtent->FileOffset.HighPart,
4164                                           pExtent->FileOffset.LowPart,
4165                                           pExtent->CacheOffset.HighPart,
4166                                           pExtent->CacheOffset.LowPart);
4167                                 OutputDebugStringA( dbgstr);
4168 #endif
4169                                 osi_Log4( afsd_logp, "RDR_ReleaseFileExtents dirty flag not set: vol 0x%x vno 0x%x foffset 0x%x:%x",
4170                                           Fid.volume, Fid.vnode,
4171                                           pExtent->FileOffset.HighPart,
4172                                           pExtent->FileOffset.LowPart);
4173                                 osi_Log2( afsd_logp, "... coffset 0x%x:%x",
4174                                           pExtent->CacheOffset.HighPart,
4175                                           pExtent->CacheOffset.LowPart);
4176                             }
4177                         }
4178 #endif /* VALIDATE_CHECK_SUM */
4179                         lock_ReleaseMutex(&bufp->mx);
4180                     }
4181                 }
4182             }
4183             else {
4184                 char * datap = RDR_extentBaseAddress + pExtent->CacheOffset.QuadPart;
4185                 cm_buf_t *wbp;
4186
4187                 for (wbp = cm_data.buf_allp; wbp; wbp = wbp->allp) {
4188                     if (wbp->datap == datap)
4189                         break;
4190                 }
4191
4192 #ifdef ODS_DEBUG
4193                 snprintf( dbgstr, 1024,
4194                           "RDR_ReleaseFileExtents non-matching extent vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
4195                           Fid.volume, Fid.vnode, Fid.unique,
4196                           pExtent->FileOffset.HighPart,
4197                           pExtent->FileOffset.LowPart,
4198                           pExtent->CacheOffset.HighPart,
4199                           pExtent->CacheOffset.LowPart);
4200                 OutputDebugStringA( dbgstr);
4201 #endif
4202                 osi_Log4( afsd_logp, "RDR_ReleaseFileExtents non-matching extent vol 0x%x vno 0x%x foffset 0x%x:%x",
4203                           Fid.volume, Fid.vnode,
4204                           pExtent->FileOffset.HighPart,
4205                           pExtent->FileOffset.LowPart);
4206                 osi_Log2( afsd_logp, "... coffset 0x%x:%x",
4207                           pExtent->CacheOffset.HighPart,
4208                           pExtent->CacheOffset.LowPart);
4209                 osi_Log5( afsd_logp, "... belongs to bp 0x%p vol 0x%x vno 0x%x foffset 0x%x:%x",
4210                           wbp, wbp->fid.volume, wbp->fid.vnode, wbp->offset.HighPart, wbp->offset.LowPart);
4211             }
4212             buf_Release(bufp);
4213         }
4214         else {
4215             char * datap = RDR_extentBaseAddress + pExtent->CacheOffset.QuadPart;
4216             cm_buf_t *wbp;
4217
4218             for (wbp = cm_data.buf_allp; wbp; wbp = wbp->allp) {
4219                 if (wbp->datap == datap)
4220                     break;
4221             }
4222
4223 #ifdef ODS_DEBUG
4224             snprintf( dbgstr, 1024,
4225                       "RDR_ReleaseFileExtents unknown extent vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
4226                       Fid.volume, Fid.vnode, Fid.unique,
4227                       pExtent->FileOffset.HighPart,
4228                       pExtent->FileOffset.LowPart,
4229                       pExtent->CacheOffset.HighPart,
4230                       pExtent->CacheOffset.LowPart);
4231             OutputDebugStringA( dbgstr);
4232 #endif
4233             osi_Log4( afsd_logp, "RDR_ReleaseFileExtents unknown extent vol 0x%x vno 0x%x foffset 0x%x:%x",
4234                       Fid.volume, Fid.vnode,
4235                       pExtent->FileOffset.HighPart,
4236                       pExtent->FileOffset.LowPart);
4237             osi_Log2( afsd_logp, "... coffset 0x%x:%x",
4238                       pExtent->CacheOffset.HighPart,
4239                       pExtent->CacheOffset.LowPart);
4240             osi_Log5( afsd_logp, "... belongs to bp 0x%p vol 0x%x vno 0x%x foffset 0x%x:%x",
4241                       wbp, wbp->fid.volume, wbp->fid.vnode, wbp->offset.HighPart, wbp->offset.LowPart);
4242         }
4243     }
4244
4245     if (scp) {
4246         if (deleted) {
4247             code = 0;
4248         } else if (ReleaseExtentsCB->Flags & AFS_EXTENT_FLAG_FLUSH) {
4249             lock_ObtainWrite(&scp->rw);
4250             code = cm_SyncOp(scp, NULL, userp, &req, PRSFS_WRITE,
4251                              CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
4252             if (code == CM_ERROR_NOACCESS && scp->creator == userp) {
4253                 code = cm_SyncOp(scp, NULL, userp, &req, PRSFS_INSERT,
4254                                  CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
4255             }
4256             lock_ReleaseWrite(&scp->rw);
4257             if (code == 0)
4258                 code = cm_FSync(scp, userp, &req, FALSE);
4259         }
4260         else if (dirty) {
4261             osi_hyper_t offset = {0,0};
4262             afs_uint32  length = 0;
4263             afs_uint32  rights = 0;
4264
4265             lock_ObtainWrite(&scp->rw);
4266             code = cm_SyncOp(scp, NULL, userp, &req, PRSFS_WRITE,
4267                              CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
4268             if (code == CM_ERROR_NOACCESS && scp->creator == userp) {
4269                 code = cm_SyncOp(scp, NULL, userp, &req, PRSFS_INSERT,
4270                                   CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
4271             }
4272             lock_ReleaseWrite(&scp->rw);
4273             if (code == 0) {
4274                 /*
4275                  * there is at least one dirty extent on this file.  queue up background store
4276                  * requests for contiguous blocks
4277                  */
4278                 for ( count = 0; count < ReleaseExtentsCB->ExtentCount; count++) {
4279                     if (ReleaseExtentsCB->FileExtents[count].FileOffset.QuadPart == offset.QuadPart + length &&
4280                          length + cm_data.buf_blockSize <= cm_chunkSize)
4281                     {
4282                         length += cm_data.buf_blockSize;
4283                     } else {
4284                         if (!(offset.QuadPart == 0 && length == 0)) {
4285                             rockp = malloc(sizeof(*rockp));
4286                             if (rockp) {
4287                                 rockp->length = length;
4288                                 rockp->offset = offset;
4289
4290                                 cm_QueueBKGRequest(scp, cm_BkgStore, rockp, userp, &req);
4291
4292                                 /* rock is freed by cm_BkgStore */
4293                             }
4294                         }
4295                         offset.QuadPart = ReleaseExtentsCB->FileExtents[count].FileOffset.QuadPart;
4296                         length = cm_data.buf_blockSize;
4297                     }
4298                 }
4299
4300                 /* Store whatever is left */
4301                 rockp = malloc(sizeof(*rockp));
4302                 if (rockp) {
4303                     rockp->length = length;
4304                     rockp->offset = offset;
4305
4306                     cm_QueueBKGRequest(scp, cm_BkgStore, rockp, userp, &req);
4307
4308                     /* rock is freed by cm_BkgStore */
4309                 }
4310             }
4311         }
4312         cm_ReleaseSCache(scp);
4313     }
4314
4315     osi_Log5(afsd_logp, "RDR_ReleaseFileExtents File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x Released %d",
4316               FileId.Cell, FileId.Volume,
4317               FileId.Vnode, FileId.Unique, released);
4318     if (code && code != CM_ERROR_WOULDBLOCK) {
4319         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
4320         (*ResultCB)->ResultStatus = status;
4321         osi_Log2(afsd_logp, "RDR_ReleaseFileExtents FAILURE code=0x%x status=0x%x",
4322                   code, status);
4323     } else {
4324         (*ResultCB)->ResultStatus = 0;
4325         osi_Log0(afsd_logp, "RDR_ReleaseFileExtents SUCCESS");
4326     }
4327     (*ResultCB)->ResultBufferLength = 0;
4328
4329     return;
4330 }
4331
4332 DWORD
4333 RDR_ProcessReleaseFileExtentsResult( IN AFSReleaseFileExtentsResultCB *ReleaseFileExtentsResultCB,
4334                                      IN DWORD ResultBufferLength)
4335 {
4336     afs_uint32  code = 0;
4337     cm_req_t    req;
4338     osi_hyper_t thyper;
4339     cm_buf_t    *bufp;
4340     unsigned int fileno, extentno, total_extents = 0;
4341     AFSReleaseFileExtentsResultFileCB *pNextFileCB;
4342     rock_BkgStore_t *rockp;
4343 #ifdef ODS_DEBUG
4344 #ifdef VALIDATE_CHECK_SUM
4345     char md5dbg[33], md5dbg2[33], md5dbg3[33];
4346 #endif
4347     char dbgstr[1024];
4348 #endif
4349     RDR_InitReq(&req, FALSE);
4350
4351     for ( fileno = 0, pNextFileCB = &ReleaseFileExtentsResultCB->Files[0];
4352           fileno < ReleaseFileExtentsResultCB->FileCount;
4353           fileno++ ) {
4354         AFSReleaseFileExtentsResultFileCB *pFileCB = pNextFileCB;
4355         cm_user_t       *userp = NULL;
4356         cm_fid_t         Fid;
4357         cm_scache_t *    scp = NULL;
4358         int              dirty = 0;
4359         int              released = 0;
4360         int              deleted = 0;
4361         char * p;
4362
4363         userp = RDR_UserFromAuthGroup( &pFileCB->AuthGroup);
4364
4365         osi_Log4(afsd_logp, "RDR_ProcessReleaseFileExtentsResult %d.%d.%d.%d",
4366                   pFileCB->FileId.Cell, pFileCB->FileId.Volume,
4367                   pFileCB->FileId.Vnode, pFileCB->FileId.Unique);
4368
4369         /* Process the release */
4370         Fid.cell = pFileCB->FileId.Cell;
4371         Fid.volume = pFileCB->FileId.Volume;
4372         Fid.vnode = pFileCB->FileId.Vnode;
4373         Fid.unique = pFileCB->FileId.Unique;
4374         Fid.hash = pFileCB->FileId.Hash;
4375
4376         if (Fid.cell == 0) {
4377             osi_Log4(afsd_logp, "RDR_ProcessReleaseFileExtentsResult Invalid FID %d.%d.%d.%d",
4378                      Fid.cell, Fid.volume, Fid.vnode, Fid.unique);
4379             code = CM_ERROR_INVAL;
4380             goto cleanup_file;
4381         }
4382
4383         code = cm_GetSCache(&Fid, NULL, &scp, userp, &req);
4384         if (code) {
4385             osi_Log1(afsd_logp, "RDR_ProcessReleaseFileExtentsResult cm_GetSCache FID failure code=0x%x",
4386                      code);
4387             /*
4388              * A failure to find the cm_scache object cannot prevent the service
4389              * from accepting the extents back from the redirector.
4390              */
4391         }
4392
4393         deleted = scp && (scp->flags & CM_SCACHEFLAG_DELETED);
4394
4395         /* if the scp was not found, do not perform the length check */
4396         if (scp && (pFileCB->AllocationSize.QuadPart != scp->length.QuadPart)) {
4397             cm_attr_t setAttr;
4398
4399             memset(&setAttr, 0, sizeof(cm_attr_t));
4400             lock_ObtainWrite(&scp->rw);
4401             if (pFileCB->AllocationSize.QuadPart != scp->length.QuadPart) {
4402                 osi_Log4(afsd_logp, "RDR_ReleaseFileExtentsResult length change vol 0x%x vno 0x%x length 0x%x:%x",
4403                           scp->fid.volume, scp->fid.vnode,
4404                           pFileCB->AllocationSize.HighPart,
4405                           pFileCB->AllocationSize.LowPart);
4406                 setAttr.mask |= CM_ATTRMASK_LENGTH;
4407                 setAttr.length.LowPart = pFileCB->AllocationSize.LowPart;
4408                 setAttr.length.HighPart = pFileCB->AllocationSize.HighPart;
4409             }
4410             lock_ReleaseWrite(&scp->rw);
4411             if (setAttr.mask)
4412                 code = cm_SetAttr(scp, &setAttr, userp, &req);
4413         }
4414
4415         for ( extentno = 0; extentno < pFileCB->ExtentCount; total_extents++, extentno++ ) {
4416             AFSFileExtentCB *pExtent = &pFileCB->FileExtents[extentno];
4417
4418             thyper.QuadPart = pExtent->FileOffset.QuadPart;
4419
4420             bufp = buf_Find(&Fid, &thyper);
4421             if (bufp) {
4422                 if (pExtent->Flags & AFS_EXTENT_FLAG_UNKNOWN) {
4423                     if (!(bufp->qFlags & CM_BUF_QREDIR)) {
4424                         osi_Log4(afsd_logp, "RDR_ReleaseFileExtentsResult extent vol 0x%x vno 0x%x foffset 0x%x:%x",
4425                                  Fid.volume, Fid.vnode,
4426                                  pExtent->FileOffset.HighPart,
4427                                  pExtent->FileOffset.LowPart);
4428                         osi_Log2(afsd_logp, "... coffset 0x%x:%x UNKNOWN to redirector; previously released",
4429                                  pExtent->CacheOffset.HighPart,
4430                                  pExtent->CacheOffset.LowPart);
4431                     } else {
4432                         osi_Log4(afsd_logp, "RDR_ReleaseFileExtentsResult extent vol 0x%x vno 0x%x foffset 0x%x:%x",
4433                                  Fid.volume, Fid.vnode,
4434                                  pExtent->FileOffset.HighPart,
4435                                  pExtent->FileOffset.LowPart);
4436                         osi_Log2(afsd_logp, "... coffset 0x%x:%x UNKNOWN to redirector; owned by redirector",
4437                                  pExtent->CacheOffset.HighPart,
4438                                  pExtent->CacheOffset.LowPart);
4439                     }
4440                     buf_Release(bufp);
4441                     continue;
4442                 }
4443
4444                 if (pExtent->Flags & AFS_EXTENT_FLAG_IN_USE) {
4445                     osi_Log4(afsd_logp, "RDR_ReleaseFileExtentsResult extent vol 0x%x vno 0x%x foffset 0x%x:%x",
4446                               Fid.volume, Fid.vnode,
4447                               pExtent->FileOffset.HighPart,
4448                               pExtent->FileOffset.LowPart);
4449                     osi_Log2(afsd_logp, "... coffset 0x%x:%x IN_USE by file system",
4450                               pExtent->CacheOffset.HighPart,
4451                               pExtent->CacheOffset.LowPart);
4452
4453                     /* Move the buffer to the front of the queue */
4454                     lock_ObtainWrite(&buf_globalLock);
4455                     buf_MoveToHeadOfRedirQueue(scp, bufp);
4456                     lock_ReleaseWrite(&buf_globalLock);
4457                     buf_Release(bufp);
4458                     continue;
4459                 }
4460
4461                 if (bufp->datap - RDR_extentBaseAddress == pExtent->CacheOffset.QuadPart) {
4462                     if (!(bufp->qFlags & CM_BUF_QREDIR)) {
4463                         osi_Log4(afsd_logp, "RDR_ReleaseFileExtentsResult extent vol 0x%x vno 0x%x foffset 0x%x:%x",
4464                                  Fid.volume, Fid.vnode,
4465                                  pExtent->FileOffset.HighPart,
4466                                  pExtent->FileOffset.LowPart);
4467                         osi_Log2(afsd_logp, "... coffset 0x%x:%x not held by file system",
4468                                  pExtent->CacheOffset.HighPart,
4469                                  pExtent->CacheOffset.LowPart);
4470 #ifdef ODS_DEBUG
4471                         snprintf(dbgstr, 1024,
4472                                   "RDR_ProcessReleaseFileExtentsResult not held by redirector! flags 0x%x:%x vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
4473                                   ReleaseFileExtentsResultCB->Flags, pExtent->Flags,
4474                                   Fid.volume, Fid.vnode, Fid.unique,
4475                                   pExtent->FileOffset.HighPart,
4476                                   pExtent->FileOffset.LowPart,
4477                                   pExtent->CacheOffset.HighPart,
4478                                   pExtent->CacheOffset.LowPart);
4479                         OutputDebugStringA( dbgstr);
4480 #endif
4481                     } else {
4482                         osi_Log5(afsd_logp, "RDR_ProcessReleaseFileExtentsResult bufp 0x%p foffset 0x%x:%x coffset 0x%x:%x",
4483                                  bufp, pExtent->FileOffset.HighPart, pExtent->FileOffset.LowPart,
4484                                  pExtent->CacheOffset.HighPart, pExtent->CacheOffset.LowPart);
4485
4486                         if (pExtent->Flags || ReleaseFileExtentsResultCB->Flags) {
4487                             lock_ObtainMutex(&bufp->mx);
4488                             if ( (ReleaseFileExtentsResultCB->Flags & AFS_EXTENT_FLAG_RELEASE) ||
4489                                  (pExtent->Flags & AFS_EXTENT_FLAG_RELEASE) )
4490                             {
4491                                 if (bufp->qFlags & CM_BUF_QREDIR) {
4492                                     lock_ObtainWrite(&buf_globalLock);
4493                                     if (bufp->qFlags & CM_BUF_QREDIR) {
4494                                         buf_RemoveFromRedirQueue(scp, bufp);
4495                                         buf_ReleaseLocked(bufp, TRUE);
4496                                     }
4497                                     lock_ReleaseWrite(&buf_globalLock);
4498                                 }
4499
4500 #ifdef ODS_DEBUG
4501                                 snprintf(dbgstr, 1024,
4502                                           "RDR_ProcessReleaseFileExtentsResult extent released: vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
4503                                           Fid.volume, Fid.vnode, Fid.unique,
4504                                           pExtent->FileOffset.HighPart,
4505                                           pExtent->FileOffset.LowPart,
4506                                           pExtent->CacheOffset.HighPart,
4507                                           pExtent->CacheOffset.LowPart);
4508                                 OutputDebugStringA( dbgstr);
4509 #endif
4510
4511                                 released++;
4512                             } else {
4513                                 osi_Log4(afsd_logp, "RDR_ProcessReleaseFileExtentsResult not releasing vol 0x%x vno 0x%x foffset 0x%x:%x",
4514                                          Fid.volume, Fid.vnode,
4515                                          pExtent->FileOffset.HighPart,
4516                                          pExtent->FileOffset.LowPart);
4517                                 osi_Log2(afsd_logp, "... coffset 0x%x:%x",
4518                                          pExtent->CacheOffset.HighPart,
4519                                          pExtent->CacheOffset.LowPart);
4520 #ifdef ODS_DEBUG
4521                                 snprintf(dbgstr, 1024,
4522                                           "RDR_ProcessReleaseFileExtentsResult not released! vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
4523                                           Fid.volume, Fid.vnode, Fid.unique,
4524                                           pExtent->FileOffset.HighPart,
4525                                           pExtent->FileOffset.LowPart,
4526                                           pExtent->CacheOffset.HighPart,
4527                                           pExtent->CacheOffset.LowPart);
4528                                 OutputDebugStringA( dbgstr);
4529 #endif
4530                             }
4531
4532                             if ((ReleaseFileExtentsResultCB->Flags & AFS_EXTENT_FLAG_DIRTY) ||
4533                                 (pExtent->Flags & AFS_EXTENT_FLAG_DIRTY))
4534                             {
4535 #ifdef VALIDATE_CHECK_SUM
4536                                 if ( buf_ValidateCheckSum(bufp) ) {
4537 #ifdef ODS_DEBUG
4538                                     HexCheckSum(md5dbg, sizeof(md5dbg), bufp->md5cksum);
4539                                     if (ReleaseFileExtentsResultCB->Flags & AFS_EXTENT_FLAG_MD5_SET)
4540                                         HexCheckSum(md5dbg2, sizeof(md5dbg2), pExtent->MD5);
4541 #endif
4542                                     buf_ComputeCheckSum(bufp);
4543 #ifdef ODS_DEBUG
4544                                     HexCheckSum(md5dbg3, sizeof(md5dbg), bufp->md5cksum);
4545 #endif
4546                                     if (ReleaseFileExtentsResultCB->Flags & AFS_EXTENT_FLAG_MD5_SET)
4547                                     {
4548                                         if (memcmp(bufp->md5cksum, pExtent->MD5, 16))
4549                                         {
4550 #ifdef ODS_DEBUG
4551                                             snprintf(dbgstr, 1024,
4552                                                       "RDR_ProcessReleaseFileExtentsResult dirty flag set and checksums do not match! user %s kernel %s vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
4553                                                       md5dbg3, md5dbg2,
4554                                                       Fid.volume, Fid.vnode, Fid.unique,
4555                                                       pExtent->FileOffset.HighPart,
4556                                                       pExtent->FileOffset.LowPart,
4557                                                       pExtent->CacheOffset.HighPart,
4558                                                       pExtent->CacheOffset.LowPart);
4559                                             OutputDebugStringA( dbgstr);
4560 #endif
4561                                             osi_Log4(afsd_logp,
4562                                                       "RDR_ProcessReleaseFileExtentsResult dirty flag set and checksums do not match! vol 0x%x vno 0x%x foffset 0x%x:%x",
4563                                                       Fid.volume, Fid.vnode,
4564                                                       pExtent->FileOffset.HighPart,
4565                                                       pExtent->FileOffset.LowPart);
4566                                             osi_Log2(afsd_logp,
4567                                                       "... coffset 0x%x:%x",
4568                                                       pExtent->CacheOffset.HighPart,
4569                                                       pExtent->CacheOffset.LowPart);
4570
4571                                             if (!deleted) {
4572                                                 buf_SetDirty(bufp, &req, pExtent->DirtyOffset, pExtent->DirtyLength, userp);
4573                                                 dirty++;
4574                                             }
4575                                         } else {
4576 #ifdef ODS_DEBUG
4577                                             snprintf(dbgstr, 1024,
4578                                                       "RDR_ProcessReleaseFileExtentsResult dirty flag set but extent has not changed! old %s kernel %s new %s vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
4579                                                       md5dbg, md5dbg2, md5dbg3,
4580                                                       Fid.volume, Fid.vnode, Fid.unique,
4581                                                       pExtent->FileOffset.HighPart,
4582                                                       pExtent->FileOffset.LowPart,
4583                                                       pExtent->CacheOffset.HighPart,
4584                                                       pExtent->CacheOffset.LowPart);
4585                                             OutputDebugStringA( dbgstr);
4586 #endif
4587                                             osi_Log4(afsd_logp,
4588                                                       "RDR_ProcessReleaseFileExtentsResult dirty flag set but extent has not changed vol 0x%x vno 0x%x foffset 0x%x:%x",
4589                                                       Fid.volume, Fid.vnode,
4590                                                       pExtent->FileOffset.HighPart,
4591                                                       pExtent->FileOffset.LowPart);
4592                                             osi_Log2(afsd_logp,
4593                                                       "... coffset 0x%x:%x",
4594                                                       pExtent->CacheOffset.HighPart,
4595                                                       pExtent->CacheOffset.LowPart);
4596                                         }
4597                                     }
4598                                 }
4599 #else /* !VALIDATE_CHECK_SUM */
4600                                 if (!deleted) {
4601                                     buf_SetDirty(bufp, &req, pExtent->DirtyOffset, pExtent->DirtyLength, userp);
4602                                     dirty++;
4603                                 }
4604 #ifdef ODS_DEBUG
4605                                 snprintf(dbgstr, 1024,
4606                                           "RDR_ProcessReleaseFileExtentsResult dirty! vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
4607                                           Fid.volume, Fid.vnode, Fid.unique,
4608                                           pExtent->FileOffset.HighPart,
4609                                           pExtent->FileOffset.LowPart,
4610                                           pExtent->CacheOffset.HighPart,
4611                                           pExtent->CacheOffset.LowPart);
4612                                 OutputDebugStringA( dbgstr);
4613 #endif
4614 #endif /* VALIDATE_CHECK_SUM */
4615                             }
4616 #ifdef VALIDATE_CHECK_SUM
4617                             else {
4618 #ifdef ODS_DEBUG
4619                                 HexCheckSum(md5dbg, sizeof(md5dbg), bufp->md5cksum);
4620 #endif
4621                                 if (!buf_ValidateCheckSum(bufp) ) {
4622                                     buf_ComputeCheckSum(bufp);
4623 #ifdef ODS_DEBUG
4624                                     HexCheckSum(md5dbg3, sizeof(md5dbg2), bufp->md5cksum);
4625                                     snprintf(dbgstr, 1024,
4626                                              "RDR_ProcessReleaseFileExtentsResult dirty flag not set but dirty! old %s new %s vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
4627                                              md5dbg, md5dbg3,
4628                                              Fid.volume, Fid.vnode, Fid.unique,
4629                                              pExtent->FileOffset.HighPart,
4630                                              pExtent->FileOffset.LowPart,
4631                                              pExtent->CacheOffset.HighPart,
4632                                              pExtent->CacheOffset.LowPart);
4633                                     OutputDebugStringA( dbgstr);
4634 #endif
4635                                     osi_Log4(afsd_logp, "RDR_ProcessReleaseFileExtentsResult dirty flag NOT set but extent has changed! vol 0x%x vno 0x%x foffset 0x%x:%x",
4636                                              Fid.volume, Fid.vnode,
4637                                              pExtent->FileOffset.HighPart,
4638                                              pExtent->FileOffset.LowPart);
4639                                     osi_Log2(afsd_logp, "... coffset 0x%x:%x",
4640                                              pExtent->CacheOffset.HighPart,
4641                                              pExtent->CacheOffset.LowPart);
4642
4643                                     if (!deleted) {
4644                                         buf_SetDirty(bufp, &req, pExtent->DirtyOffset, pExtent->DirtyLength, userp);
4645                                         dirty++;
4646                                     }
4647                                 } else {
4648                                     buf_ComputeCheckSum(bufp);
4649 #ifdef ODS_DEBUG
4650                                     HexCheckSum(md5dbg3, sizeof(md5dbg2), bufp->md5cksum);
4651                                     snprintf(dbgstr, 1024,
4652                                              "RDR_ProcessReleaseFileExtentsResult dirty flag not set and not dirty! old %s new %s vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
4653                                              md5dbg, md5dbg3,
4654                                              Fid.volume, Fid.vnode, Fid.unique,
4655                                              pExtent->FileOffset.HighPart,
4656                                              pExtent->FileOffset.LowPart,
4657                                              pExtent->CacheOffset.HighPart,
4658                                              pExtent->CacheOffset.LowPart);
4659                                     OutputDebugStringA( dbgstr);
4660 #endif
4661                                 }
4662                             }
4663 #endif /* VALIDATE_CHECK_SUM */
4664                             lock_ReleaseMutex(&bufp->mx);
4665                         }
4666                     }
4667                 } else {
4668                     /* CacheOffset doesn't match bufp->datap */
4669                     char * datap = RDR_extentBaseAddress + pExtent->CacheOffset.QuadPart;
4670                     cm_buf_t *wbp;
4671
4672                     for (wbp = cm_data.buf_allp; wbp; wbp = wbp->allp) {
4673                         if (wbp->datap == datap)
4674                             break;
4675                     }
4676
4677 #ifdef ODS_DEBUG
4678                     snprintf(dbgstr, 1024,
4679                              "RDR_ProcessReleaseFileExtentsResult non-matching extent vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x flags 0x%x\n",
4680                              Fid.volume, Fid.vnode, Fid.unique,
4681                              pExtent->FileOffset.HighPart,
4682                              pExtent->FileOffset.LowPart,
4683                              pExtent->CacheOffset.HighPart,
4684                              pExtent->CacheOffset.LowPart,
4685                              pExtent->Flags);
4686                     OutputDebugStringA( dbgstr);
4687 #endif
4688                     osi_Log4(afsd_logp, "RDR_ProcessReleaseFileExtentsResult non-matching extent vol 0x%x vno 0x%x foffset 0x%x:%x",
4689                              Fid.volume, Fid.vnode,
4690                              pExtent->FileOffset.HighPart,
4691                              pExtent->FileOffset.LowPart);
4692                     osi_Log3(afsd_logp, "... coffset 0x%x:%x flags 0x%x",
4693                              pExtent->CacheOffset.HighPart,
4694                              pExtent->CacheOffset.LowPart,
4695                              pExtent->Flags);
4696                     if (wbp)
4697                         osi_Log5(afsd_logp, "... coffset belongs to bp 0x%p vol 0x%x vno 0x%x foffset 0x%x:%x",
4698                                  wbp, wbp->fid.volume, wbp->fid.vnode, wbp->offset.HighPart, wbp->offset.LowPart);
4699                     else
4700                         osi_Log0(afsd_logp, "... coffset cannot be found");
4701                 }
4702                 buf_Release(bufp);
4703             } else {
4704                 if (pExtent->Flags & AFS_EXTENT_FLAG_UNKNOWN) {
4705                     osi_Log4(afsd_logp, "RDR_ReleaseFileExtentsResult extent vol 0x%x vno 0x%x foffset 0x%x:%x",
4706                              Fid.volume, Fid.vnode, pExtent->FileOffset.HighPart,
4707                              pExtent->FileOffset.LowPart);
4708                     osi_Log2(afsd_logp, "... coffset 0x%x:%x UNKNOWN to redirector; cm_buf not found -- recycled?",
4709                              pExtent->CacheOffset.HighPart,
4710                              pExtent->CacheOffset.LowPart);
4711
4712                     continue;
4713                 }
4714
4715 #ifdef ODS_DEBUG
4716                 snprintf(dbgstr, 1024,
4717                          "RDR_ProcessReleaseFileExtentsResult buf not found vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
4718                          Fid.volume, Fid.vnode, Fid.unique,
4719                          pExtent->FileOffset.HighPart,
4720                          pExtent->FileOffset.LowPart,
4721                          pExtent->CacheOffset.HighPart,
4722                          pExtent->CacheOffset.LowPart);
4723                 OutputDebugStringA( dbgstr);
4724 #endif
4725                 osi_Log4(afsd_logp, "RDR_ProcessReleaseFileExtentsResult buf not found vol 0x%x vno 0x%x foffset 0x%x:%x",
4726                          Fid.volume, Fid.vnode,
4727                          pExtent->FileOffset.HighPart,
4728                          pExtent->FileOffset.LowPart);
4729                 osi_Log2(afsd_logp, "... coffset 0x%x:%x",
4730                          pExtent->CacheOffset.HighPart,
4731                          pExtent->CacheOffset.LowPart);
4732             }
4733         }
4734
4735         if (scp && dirty) {
4736             osi_hyper_t offset = {0,0};
4737             afs_uint32  length = 0;
4738
4739             /*
4740              * there is at least one dirty extent on this file.  queue up background store
4741              * requests for contiguous blocks
4742              */
4743             for ( extentno = 0; extentno < pFileCB->ExtentCount; extentno++ ) {
4744                 AFSFileExtentCB *pExtent = &pFileCB->FileExtents[extentno];
4745                 if (pExtent->FileOffset.QuadPart == offset.QuadPart + length &&
4746                      length < cm_chunkSize) {
4747                     length += cm_data.buf_blockSize;
4748                 } else {
4749                     if (!(offset.QuadPart == 0 && length == 0)) {
4750                         rockp = malloc(sizeof(*rockp));
4751                         if (rockp) {
4752                             rockp->offset = offset;
4753                             rockp->length = length;
4754
4755                             cm_QueueBKGRequest(scp, cm_BkgStore, rockp, userp, &req);
4756                         } else {
4757                             code = ENOMEM;
4758                         }
4759                     }
4760                     offset.QuadPart = pExtent->FileOffset.QuadPart;
4761                     length = cm_data.buf_blockSize;
4762                 }
4763             }
4764
4765             /* Background store the rest */
4766             rockp = malloc(sizeof(*rockp));
4767             if (rockp) {
4768                 rockp->offset = offset;
4769                 rockp->length = length;
4770
4771                 cm_QueueBKGRequest(scp, cm_BkgStore, rockp, userp, &req);
4772             } else {
4773                 code = ENOMEM;
4774             }
4775         }
4776
4777         osi_Log5(afsd_logp, "RDR_ProcessReleaseFileExtentsResult File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x Released %d",
4778                   Fid.cell, Fid.volume, Fid.vnode, Fid.unique, released);
4779
4780       cleanup_file:
4781         if (userp)
4782             cm_ReleaseUser(userp);
4783         if (scp)
4784             cm_ReleaseSCache(scp);
4785
4786         p = (char *)pFileCB;
4787         p += sizeof(AFSReleaseFileExtentsResultFileCB);
4788         p += sizeof(AFSFileExtentCB) * (pFileCB->ExtentCount - 1);
4789         pNextFileCB = (AFSReleaseFileExtentsResultFileCB *)p;
4790     }
4791
4792     if (total_extents == 0) {
4793         osi_Log0(afsd_logp, "RDR_ProcessReleaseFileExtentsResult is empty");
4794         code = CM_ERROR_RETRY;
4795     }
4796
4797     if (code)
4798         osi_Log1(afsd_logp, "RDR_ProcessReleaseFileExtentsResult FAILURE code=0x%x", code);
4799     else
4800         osi_Log1(afsd_logp, "RDR_ProcessReleaseFileExtentsResult DONE code=0x%x", code);
4801
4802     return code;
4803 }
4804
4805 DWORD
4806 RDR_ReleaseFailedSetFileExtents( IN cm_user_t *userp,
4807                                  IN AFSSetFileExtentsCB *SetFileExtentsResultCB,
4808                                  IN DWORD ResultBufferLength)
4809 {
4810     afs_uint32  code = 0;
4811     cm_req_t    req;
4812     unsigned int extentno;
4813     cm_fid_t         Fid;
4814     cm_scache_t *    scp = NULL;
4815     int              dirty = 0;
4816
4817     RDR_InitReq(&req, FALSE);
4818
4819     osi_Log4(afsd_logp, "RDR_ReleaseFailedSetFileExtents %d.%d.%d.%d",
4820               SetFileExtentsResultCB->FileId.Cell, SetFileExtentsResultCB->FileId.Volume,
4821               SetFileExtentsResultCB->FileId.Vnode, SetFileExtentsResultCB->FileId.Unique);
4822
4823     /* Process the release */
4824     Fid.cell = SetFileExtentsResultCB->FileId.Cell;
4825     Fid.volume = SetFileExtentsResultCB->FileId.Volume;
4826     Fid.vnode = SetFileExtentsResultCB->FileId.Vnode;
4827     Fid.unique = SetFileExtentsResultCB->FileId.Unique;
4828     Fid.hash = SetFileExtentsResultCB->FileId.Hash;
4829
4830     if (Fid.cell == 0) {
4831         osi_Log4(afsd_logp, "RDR_ReleaseFailedSetFile Invalid FID %d.%d.%d.%d",
4832                   Fid.cell, Fid.volume, Fid.vnode, Fid.unique);
4833         code = CM_ERROR_INVAL;
4834         goto cleanup_file;
4835     }
4836
4837     code = cm_GetSCache(&Fid, NULL, &scp, userp, &req);
4838     if (code) {
4839         osi_Log1(afsd_logp, "RDR_ReleaseFailedSetFileExtents cm_GetSCache FID failure code=0x%x",
4840                   code);
4841         /* Failure to find the cm_scache object cannot block return of the extents */
4842     }
4843
4844     for ( extentno = 0; extentno < SetFileExtentsResultCB->ExtentCount; extentno++ ) {
4845         osi_hyper_t thyper;
4846         cm_buf_t    *bufp;
4847         AFSFileExtentCB *pExtent = &SetFileExtentsResultCB->FileExtents[extentno];
4848
4849         thyper.QuadPart = pExtent->FileOffset.QuadPart;
4850
4851         bufp = buf_Find(&Fid, &thyper);
4852         if (bufp) {
4853             osi_Log5(afsd_logp, "RDR_ReleaseFailedSetFileExtents bufp 0x%p foffset 0x%x:%x coffset 0x%x:%x",
4854                       bufp, pExtent->FileOffset.HighPart, pExtent->FileOffset.LowPart,
4855                       pExtent->CacheOffset.HighPart, pExtent->CacheOffset.LowPart);
4856
4857             lock_ObtainMutex(&bufp->mx);
4858             if (bufp->qFlags & CM_BUF_QREDIR) {
4859                 lock_ObtainWrite(&buf_globalLock);
4860                 if (bufp->qFlags & CM_BUF_QREDIR) {
4861                     buf_RemoveFromRedirQueue(scp, bufp);
4862                     buf_ReleaseLocked(bufp, TRUE);
4863                 }
4864                 lock_ReleaseWrite(&buf_globalLock);
4865             }
4866             lock_ReleaseMutex(&bufp->mx);
4867             buf_Release(bufp);
4868         }
4869     }
4870
4871   cleanup_file:
4872     if (userp)
4873         cm_ReleaseUser(userp);
4874     if (scp)
4875         cm_ReleaseSCache(scp);
4876
4877     osi_Log1(afsd_logp, "RDR_ReleaseFailedSetFileExtents DONE code=0x%x", code);
4878     return code;
4879 }
4880
4881 void
4882 RDR_PioctlOpen( IN cm_user_t *userp,
4883                 IN AFSFileID  ParentId,
4884                 IN AFSPIOCtlOpenCloseRequestCB *pPioctlCB,
4885                 IN BOOL bWow64,
4886                 IN DWORD ResultBufferLength,
4887                 IN OUT AFSCommResult **ResultCB)
4888 {
4889     cm_fid_t    ParentFid;
4890     cm_fid_t    RootFid;
4891     cm_req_t    req;
4892
4893     RDR_InitReq(&req, bWow64);
4894
4895     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult));
4896     if (!(*ResultCB))
4897         return;
4898
4899     memset( *ResultCB,
4900             '\0',
4901             sizeof( AFSCommResult));
4902
4903     /* Get the active directory */
4904     ParentFid.cell = ParentId.Cell;
4905     ParentFid.volume = ParentId.Volume;
4906     ParentFid.vnode = ParentId.Vnode;
4907     ParentFid.unique = ParentId.Unique;
4908     ParentFid.hash = ParentId.Hash;
4909
4910     /* Get the root directory */
4911     RootFid.cell = pPioctlCB->RootId.Cell;
4912     RootFid.volume = pPioctlCB->RootId.Volume;
4913     RootFid.vnode = pPioctlCB->RootId.Vnode;
4914     RootFid.unique = pPioctlCB->RootId.Unique;
4915     RootFid.hash = pPioctlCB->RootId.Hash;
4916
4917     /* Create the pioctl index */
4918     RDR_SetupIoctl(pPioctlCB->RequestId, &ParentFid, &RootFid, userp, &req);
4919
4920     return;
4921 }
4922
4923
4924 void
4925 RDR_PioctlClose( IN cm_user_t *userp,
4926                  IN AFSFileID  ParentId,
4927                  IN AFSPIOCtlOpenCloseRequestCB *pPioctlCB,
4928                  IN BOOL bWow64,
4929                  IN DWORD ResultBufferLength,
4930                  IN OUT AFSCommResult **ResultCB)
4931 {
4932     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult));
4933     if (!(*ResultCB))
4934         return;
4935
4936     memset( *ResultCB,
4937             '\0',
4938             sizeof( AFSCommResult));
4939
4940     /* Cleanup the pioctl index */
4941     RDR_CleanupIoctl(pPioctlCB->RequestId);
4942
4943     return;
4944 }
4945
4946
4947 void
4948 RDR_PioctlWrite( IN cm_user_t *userp,
4949                  IN AFSFileID  ParentId,
4950                  IN AFSPIOCtlIORequestCB *pPioctlCB,
4951                  IN BOOL bWow64,
4952                  IN DWORD ResultBufferLength,
4953                  IN OUT AFSCommResult **ResultCB)
4954 {
4955     AFSPIOCtlIOResultCB *pResultCB;
4956     cm_scache_t *dscp = NULL;
4957     afs_uint32  code;
4958     cm_req_t    req;
4959     DWORD       status;
4960
4961     RDR_InitReq(&req, bWow64);
4962
4963     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult) + sizeof(AFSPIOCtlIOResultCB));
4964     if (!(*ResultCB))
4965         return;
4966
4967     memset( *ResultCB,
4968             '\0',
4969             sizeof( AFSCommResult) + sizeof(AFSPIOCtlIOResultCB));
4970
4971     pResultCB = (AFSPIOCtlIOResultCB *)(*ResultCB)->ResultData;
4972
4973     code = RDR_IoctlWrite(userp, pPioctlCB->RequestId, pPioctlCB->BufferLength, pPioctlCB->MappedBuffer);
4974     if (code) {
4975         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
4976         (*ResultCB)->ResultStatus = status;
4977         return;
4978     }
4979
4980     pResultCB->BytesProcessed = pPioctlCB->BufferLength;
4981     (*ResultCB)->ResultBufferLength = sizeof( AFSPIOCtlIOResultCB);
4982 }
4983
4984 void
4985 RDR_PioctlRead( IN cm_user_t *userp,
4986                 IN AFSFileID  ParentId,
4987                 IN AFSPIOCtlIORequestCB *pPioctlCB,
4988                 IN BOOL bWow64,
4989                 IN BOOL bIsLocalSystem,
4990                 IN DWORD ResultBufferLength,
4991                 IN OUT AFSCommResult **ResultCB)
4992 {
4993     AFSPIOCtlIOResultCB *pResultCB;
4994     cm_scache_t *dscp = NULL;
4995     afs_uint32  code;
4996     cm_req_t    req;
4997     DWORD       status;
4998     afs_uint32  pflags = (bIsLocalSystem ? AFSCALL_FLAG_LOCAL_SYSTEM : 0);
4999
5000     RDR_InitReq(&req, bWow64);
5001
5002     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult) + sizeof(AFSPIOCtlIOResultCB));
5003     if (!(*ResultCB))
5004         return;
5005
5006     memset( *ResultCB,
5007             '\0',
5008             sizeof( AFSCommResult) + sizeof(AFSPIOCtlIOResultCB));
5009
5010     pResultCB = (AFSPIOCtlIOResultCB *)(*ResultCB)->ResultData;
5011
5012     code = RDR_IoctlRead(userp, pPioctlCB->RequestId, pPioctlCB->BufferLength, pPioctlCB->MappedBuffer,
5013                          &pResultCB->BytesProcessed, pflags);
5014     if (code) {
5015         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
5016         (*ResultCB)->ResultStatus = status;
5017         return;
5018     }
5019
5020     (*ResultCB)->ResultBufferLength = sizeof( AFSPIOCtlIOResultCB);
5021 }
5022
5023 void
5024 RDR_ByteRangeLockSync( IN cm_user_t     *userp,
5025                        IN AFSFileID     FileId,
5026                        IN AFSByteRangeLockRequestCB *pBRLRequestCB,
5027                        IN BOOL bWow64,
5028                        IN DWORD ResultBufferLength,
5029                        IN OUT AFSCommResult **ResultCB)
5030 {
5031     AFSByteRangeLockResultCB *pResultCB = NULL;
5032     LARGE_INTEGER ProcessId;
5033     DWORD       Length;
5034     cm_scache_t *scp = NULL;
5035     cm_fid_t    Fid;
5036     afs_uint32  code;
5037     cm_req_t    req;
5038     cm_key_t    key;
5039     DWORD       i;
5040     DWORD       status;
5041
5042     ProcessId.QuadPart = pBRLRequestCB->ProcessId;
5043
5044     RDR_InitReq(&req, bWow64);
5045
5046     osi_Log4(afsd_logp, "RDR_ByteRangeLockSync File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
5047               FileId.Cell, FileId.Volume,
5048               FileId.Vnode, FileId.Unique);
5049     osi_Log2(afsd_logp, "... ProcessId 0x%x:%x",
5050              ProcessId.HighPart, ProcessId.LowPart);
5051
5052     Length = sizeof( AFSByteRangeLockResultCB) + ((pBRLRequestCB->Count - 1) * sizeof(AFSByteRangeLockResult));
5053     if (Length > ResultBufferLength) {
5054         *ResultCB = (AFSCommResult *)malloc(sizeof(AFSCommResult));
5055         if (!(*ResultCB))
5056             return;
5057         memset( *ResultCB, 0, sizeof(AFSCommResult));
5058         (*ResultCB)->ResultStatus = STATUS_BUFFER_OVERFLOW;
5059         return;
5060     }
5061
5062     *ResultCB = (AFSCommResult *)malloc( Length + sizeof( AFSCommResult) );
5063     if (!(*ResultCB))
5064         return;
5065     memset( *ResultCB, '\0', Length + sizeof( AFSCommResult) );
5066     (*ResultCB)->ResultBufferLength = Length;
5067
5068     pResultCB = (AFSByteRangeLockResultCB *)(*ResultCB)->ResultData;
5069     pResultCB->FileId = FileId;
5070     pResultCB->Count = pBRLRequestCB->Count;
5071
5072     /* Allocate the extents from the buffer package */
5073     Fid.cell = FileId.Cell;
5074     Fid.volume = FileId.Volume;
5075     Fid.vnode = FileId.Vnode;
5076     Fid.unique = FileId.Unique;
5077     Fid.hash = FileId.Hash;
5078
5079     code = cm_GetSCache(&Fid, NULL, &scp, userp, &req);
5080     if (code) {
5081         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
5082         (*ResultCB)->ResultStatus = status;
5083         (*ResultCB)->ResultBufferLength = 0;
5084         osi_Log2(afsd_logp, "RDR_ByteRangeLockSync cm_GetSCache FID failure code=0x%x status=0x%x",
5085                   code, status);
5086         return;
5087     }
5088
5089     lock_ObtainWrite(&scp->rw);
5090
5091     /* start by looking up the file's end */
5092     code = cm_SyncOp(scp, NULL, userp, &req, 0,
5093                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
5094     if (code) {
5095         lock_ReleaseWrite(&scp->rw);
5096         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
5097         (*ResultCB)->ResultStatus = status;
5098         (*ResultCB)->ResultBufferLength = 0;
5099         osi_Log3(afsd_logp, "RDR_ByteRangeLockSync cm_SyncOp failure scp=0x%p code=0x%x status=0x%x",
5100                  scp, code, status);
5101         return;
5102     }
5103
5104     /* the scp is now locked and current */
5105     key = cm_GenerateKey(CM_SESSION_IFS, ProcessId.QuadPart, 0);
5106
5107     for ( i=0; i<pBRLRequestCB->Count; i++ ) {
5108         pResultCB->Result[i].LockType = pBRLRequestCB->Request[i].LockType;
5109         pResultCB->Result[i].Offset = pBRLRequestCB->Request[i].Offset;
5110         pResultCB->Result[i].Length = pBRLRequestCB->Request[i].Length;
5111
5112         code = cm_Lock(scp,
5113                        pBRLRequestCB->Request[i].LockType == AFS_BYTE_RANGE_LOCK_TYPE_SHARED,
5114                        pBRLRequestCB->Request[i].Offset,
5115                        pBRLRequestCB->Request[i].Length,
5116                        key, 0, userp, &req, NULL);
5117
5118         if (code) {
5119             osi_Log4(afsd_logp, "RDR_ByteRangeLockSync FAILURE code 0x%x type 0x%u offset 0x%x:%x",
5120                      code,
5121                      pBRLRequestCB->Request[i].LockType,
5122                      pBRLRequestCB->Request[i].Offset.HighPart,
5123                      pBRLRequestCB->Request[i].Offset.LowPart);
5124             osi_Log2(afsd_logp, "... length 0x%x:%x",
5125                      pBRLRequestCB->Request[i].Length.HighPart,
5126                      pBRLRequestCB->Request[i].Length.LowPart);
5127         }
5128
5129         switch (code) {
5130         case 0:
5131             pResultCB->Result[i].Status = 0;
5132             break;
5133         case CM_ERROR_WOULDBLOCK:
5134             pResultCB->Result[i].Status = STATUS_FILE_LOCK_CONFLICT;
5135             break;
5136         default:
5137             pResultCB->Result[i].Status = STATUS_LOCK_NOT_GRANTED;
5138         }
5139     }
5140
5141     cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
5142     lock_ReleaseWrite(&scp->rw);
5143     cm_ReleaseSCache(scp);
5144
5145     (*ResultCB)->ResultStatus = 0;
5146     osi_Log0(afsd_logp, "RDR_ByteRangeLockSync SUCCESS");
5147     return;
5148 }
5149
5150 void
5151 RDR_ByteRangeUnlock( IN cm_user_t     *userp,
5152                      IN AFSFileID     FileId,
5153                      IN AFSByteRangeUnlockRequestCB *pBRURequestCB,
5154                      IN BOOL bWow64,
5155                      IN DWORD ResultBufferLength,
5156                      IN OUT AFSCommResult **ResultCB)
5157 {
5158     AFSByteRangeUnlockResultCB *pResultCB = NULL;
5159     LARGE_INTEGER ProcessId;
5160     DWORD       Length;
5161     cm_scache_t *scp = NULL;
5162     cm_fid_t    Fid;
5163     afs_uint32  code;
5164     cm_req_t    req;
5165     cm_key_t    key;
5166     DWORD       i;
5167     DWORD       status;
5168
5169     ProcessId.QuadPart = pBRURequestCB->ProcessId;
5170
5171     RDR_InitReq(&req, bWow64);
5172
5173     osi_Log4(afsd_logp, "RDR_ByteRangeUnlock File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
5174               FileId.Cell, FileId.Volume,
5175               FileId.Vnode, FileId.Unique);
5176     osi_Log2(afsd_logp, "... ProcessId 0x%x:%x",
5177              ProcessId.HighPart, ProcessId.LowPart);
5178
5179     Length = sizeof( AFSByteRangeUnlockResultCB) + ((pBRURequestCB->Count - 1) * sizeof(AFSByteRangeLockResult));
5180     if (Length > ResultBufferLength) {
5181         *ResultCB = (AFSCommResult *)malloc(sizeof(AFSCommResult));
5182         if (!(*ResultCB))
5183             return;
5184         memset( *ResultCB, 0, sizeof(AFSCommResult));
5185         (*ResultCB)->ResultStatus = STATUS_BUFFER_OVERFLOW;
5186         return;
5187     }
5188
5189     *ResultCB = (AFSCommResult *)malloc( Length + sizeof( AFSCommResult) );
5190     if (!(*ResultCB))
5191         return;
5192     memset( *ResultCB, '\0', Length + sizeof( AFSCommResult) );
5193     (*ResultCB)->ResultBufferLength = Length;
5194
5195     pResultCB = (AFSByteRangeUnlockResultCB *)(*ResultCB)->ResultData;
5196     pResultCB->Count = pBRURequestCB->Count;
5197
5198     /* Allocate the extents from the buffer package */
5199     Fid.cell = FileId.Cell;
5200     Fid.volume = FileId.Volume;
5201     Fid.vnode = FileId.Vnode;
5202     Fid.unique = FileId.Unique;
5203     Fid.hash = FileId.Hash;
5204
5205     code = cm_GetSCache(&Fid, NULL, &scp, userp, &req);
5206     if (code) {
5207         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
5208         (*ResultCB)->ResultStatus = status;
5209         (*ResultCB)->ResultBufferLength = 0;
5210         osi_Log2(afsd_logp, "RDR_ByteRangeUnlock cm_GetSCache FID failure code=0x%x status=0x%x",
5211                   code, status);
5212         return;
5213     }
5214
5215     lock_ObtainWrite(&scp->rw);
5216
5217     /* start by looking up the file's end */
5218     code = cm_SyncOp(scp, NULL, userp, &req, 0,
5219                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
5220     if (code) {
5221         lock_ReleaseWrite(&scp->rw);
5222         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
5223         (*ResultCB)->ResultStatus = status;
5224         (*ResultCB)->ResultBufferLength = 0;
5225         osi_Log3(afsd_logp, "RDR_ByteRangeUnlock cm_SyncOp failure scp=0x%p code=0x%x status=0x%x",
5226                  scp, code, status);
5227         return;
5228     }
5229
5230     /* the scp is now locked and current */
5231     key = cm_GenerateKey(CM_SESSION_IFS, ProcessId.QuadPart, 0);
5232
5233     for ( i=0; i<pBRURequestCB->Count; i++ ) {
5234         pResultCB->Result[i].LockType = pBRURequestCB->Request[i].LockType;
5235         pResultCB->Result[i].Offset = pBRURequestCB->Request[i].Offset;
5236         pResultCB->Result[i].Length = pBRURequestCB->Request[i].Length;
5237
5238         code = cm_Unlock(scp,
5239                          pBRURequestCB->Request[i].LockType == AFS_BYTE_RANGE_LOCK_TYPE_SHARED,
5240                          pBRURequestCB->Request[i].Offset,
5241                          pBRURequestCB->Request[i].Length,
5242                          key, CM_UNLOCK_FLAG_MATCH_RANGE, userp, &req);
5243
5244         if (code) {
5245             osi_Log4(afsd_logp, "RDR_ByteRangeUnlock FAILURE code 0x%x type 0x%u offset 0x%x:%x",
5246                      code, pBRURequestCB->Request[i].LockType,
5247                      pBRURequestCB->Request[i].Offset.HighPart,
5248                      pBRURequestCB->Request[i].Offset.LowPart);
5249             osi_Log2(afsd_logp, "... length 0x%x:%x",
5250                      pBRURequestCB->Request[i].Length.HighPart,
5251                      pBRURequestCB->Request[i].Length.LowPart);
5252         }
5253         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
5254         pResultCB->Result[i].Status = status;
5255     }
5256
5257     cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
5258     lock_ReleaseWrite(&scp->rw);
5259     cm_ReleaseSCache(scp);
5260
5261     (*ResultCB)->ResultStatus = 0;
5262     osi_Log0(afsd_logp, "RDR_ByteRangeUnlock SUCCESS");
5263     return;
5264 }
5265
5266 void
5267 RDR_ByteRangeUnlockAll( IN cm_user_t     *userp,
5268                         IN AFSFileID     FileId,
5269                         IN AFSByteRangeUnlockRequestCB *pBRURequestCB,
5270                         IN BOOL bWow64,
5271                         IN DWORD ResultBufferLength,
5272                         IN OUT AFSCommResult **ResultCB)
5273 {
5274     AFSByteRangeUnlockResultCB *pResultCB = NULL;
5275     LARGE_INTEGER ProcessId;
5276     cm_scache_t *scp = NULL;
5277     cm_fid_t    Fid;
5278     afs_uint32  code;
5279     cm_req_t    req;
5280     cm_key_t    key;
5281     DWORD       status;
5282
5283     ProcessId.QuadPart = pBRURequestCB->ProcessId;
5284
5285     RDR_InitReq(&req, bWow64);
5286
5287     osi_Log4(afsd_logp, "RDR_ByteRangeUnlockAll File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
5288               FileId.Cell, FileId.Volume,
5289               FileId.Vnode, FileId.Unique);
5290     osi_Log2(afsd_logp, "... ProcessId 0x%x:%x",
5291              ProcessId.HighPart, ProcessId.LowPart);
5292
5293     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult));
5294     if (!(*ResultCB))
5295         return;
5296     memset( *ResultCB, '\0', sizeof( AFSCommResult));
5297     (*ResultCB)->ResultBufferLength = 0;
5298
5299     /* Allocate the extents from the buffer package */
5300     Fid.cell = FileId.Cell;
5301     Fid.volume = FileId.Volume;
5302     Fid.vnode = FileId.Vnode;
5303     Fid.unique = FileId.Unique;
5304     Fid.hash = FileId.Hash;
5305
5306     code = cm_GetSCache(&Fid, NULL, &scp, userp, &req);
5307     if (code) {
5308         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
5309         (*ResultCB)->ResultStatus = status;
5310         (*ResultCB)->ResultBufferLength = 0;
5311         osi_Log2(afsd_logp, "RDR_ByteRangeUnlockAll cm_GetSCache FID failure code=0x%x status=0x%x",
5312                   code, status);
5313         return;
5314     }
5315
5316     lock_ObtainWrite(&scp->rw);
5317
5318     /* start by looking up the file's end */
5319     code = cm_SyncOp(scp, NULL, userp, &req, 0,
5320                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
5321     if (code) {
5322         lock_ReleaseWrite(&scp->rw);
5323         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
5324         (*ResultCB)->ResultStatus = status;
5325         (*ResultCB)->ResultBufferLength = 0;
5326         osi_Log3(afsd_logp, "RDR_ByteRangeUnlockAll cm_SyncOp failure scp=0x%p code=0x%x status=0x%x",
5327                  scp, code, status);
5328         return;
5329     }
5330
5331     /* the scp is now locked and current */
5332     key = cm_GenerateKey(CM_SESSION_IFS, ProcessId.QuadPart, 0);
5333
5334     code = cm_UnlockByKey(scp, key, 0, userp, &req);
5335
5336     cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
5337     lock_ReleaseWrite(&scp->rw);
5338     cm_ReleaseSCache(scp);
5339
5340     smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
5341     (*ResultCB)->ResultStatus = status;
5342
5343     if (code)
5344         osi_Log1(afsd_logp, "RDR_ByteRangeUnlockAll FAILURE code 0x%x", code);
5345     else
5346         osi_Log0(afsd_logp, "RDR_ByteRangeUnlockAll SUCCESS");
5347     return;
5348
5349 }
5350
5351 void
5352 RDR_GetVolumeInfo( IN cm_user_t     *userp,
5353                    IN AFSFileID     FileId,
5354                    IN BOOL bWow64,
5355                    IN DWORD ResultBufferLength,
5356                    IN OUT AFSCommResult **ResultCB)
5357 {
5358     AFSVolumeInfoCB *pResultCB = NULL;
5359     DWORD       Length;
5360     cm_scache_t *scp = NULL;
5361     cm_volume_t *volp = NULL;
5362     afs_uint32   volType;
5363     cm_cell_t   *cellp = NULL;
5364     cm_fid_t    Fid;
5365     afs_uint32  code;
5366     cm_req_t    req;
5367     DWORD       status;
5368     FILETIME ft = {0x832cf000, 0x01abfcc4}; /* October 1, 1982 00:00:00 +0600 */
5369
5370     char volName[32]="(unknown)";
5371     char offLineMsg[256]="server temporarily inaccessible";
5372     char motd[256]="server temporarily inaccessible";
5373     cm_conn_t *connp;
5374     AFSFetchVolumeStatus volStat;
5375     char *Name;
5376     char *OfflineMsg;
5377     char *MOTD;
5378     struct rx_connection * rxconnp;
5379     int sync_done = 0;
5380     int scp_locked = 0;
5381
5382     RDR_InitReq(&req, bWow64);
5383
5384     osi_Log4(afsd_logp, "RDR_GetVolumeInfo File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
5385              FileId.Cell, FileId.Volume,
5386              FileId.Vnode, FileId.Unique);
5387
5388     Length = sizeof( AFSCommResult) + sizeof(AFSVolumeInfoCB);
5389     if (sizeof(AFSVolumeInfoCB) > ResultBufferLength) {
5390         *ResultCB = (AFSCommResult *)malloc(sizeof(AFSCommResult) );
5391         if (!(*ResultCB))
5392             return;
5393         memset( *ResultCB, 0, sizeof(AFSCommResult));
5394         (*ResultCB)->ResultStatus = STATUS_BUFFER_OVERFLOW;
5395         return;
5396     }
5397
5398     *ResultCB = (AFSCommResult *)malloc( Length );
5399     if (!(*ResultCB))
5400         return;
5401     memset( *ResultCB, '\0', Length );
5402     (*ResultCB)->ResultBufferLength = sizeof(AFSVolumeInfoCB);
5403     pResultCB = (AFSVolumeInfoCB *)(*ResultCB)->ResultData;
5404
5405     if (FileId.Cell != 0) {
5406         cm_SetFid(&Fid, FileId.Cell, FileId.Volume, 1, 1);
5407         code = cm_GetSCache(&Fid, NULL, &scp, userp, &req);
5408         if (code) {
5409             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
5410             (*ResultCB)->ResultStatus = status;
5411             (*ResultCB)->ResultBufferLength = 0;
5412             osi_Log2(afsd_logp, "RDR_GetVolumeInfo cm_GetSCache FID failure code=0x%x status=0x%x",
5413                       code, status);
5414             return;
5415         }
5416     } else {
5417         (*ResultCB)->ResultStatus = STATUS_OBJECT_NAME_INVALID;
5418         osi_Log0(afsd_logp, "RDR_GetVolumeInfo Object Name Invalid - Cell = 0");
5419         return;
5420     }
5421     lock_ObtainWrite(&scp->rw);
5422     scp_locked = 1;
5423
5424     pResultCB->SectorsPerAllocationUnit = 1;
5425     pResultCB->BytesPerSector = 1024;
5426
5427     pResultCB->CellID = scp->fid.cell;
5428     pResultCB->VolumeID = scp->fid.volume;
5429     pResultCB->Characteristics = FILE_REMOTE_DEVICE;
5430     pResultCB->FileSystemAttributes = FILE_CASE_PRESERVED_NAMES | FILE_UNICODE_ON_DISK |
5431         FILE_SUPPORTS_HARD_LINKS | FILE_SUPPORTS_REPARSE_POINTS;
5432
5433     if (scp->fid.cell==AFS_FAKE_ROOT_CELL_ID &&
5434          scp->fid.volume==AFS_FAKE_ROOT_VOL_ID)
5435     {
5436         pResultCB->TotalAllocationUnits.QuadPart = 100;
5437         memcpy(&pResultCB->VolumeCreationTime, &ft, sizeof(ft));
5438
5439         pResultCB->AvailableAllocationUnits.QuadPart = 0;
5440         pResultCB->FileSystemAttributes |= FILE_READ_ONLY_VOLUME;
5441
5442         pResultCB->VolumeLabelLength = cm_Utf8ToUtf16( "Freelance.Local.Root", -1, pResultCB->VolumeLabel,
5443                                                        (sizeof(pResultCB->VolumeLabel) / sizeof(WCHAR)) + 1);
5444         if ( pResultCB->VolumeLabelLength )
5445             pResultCB->VolumeLabelLength--;
5446     } else {
5447         memcpy(&pResultCB->VolumeCreationTime, &ft, sizeof(ft));
5448
5449         volp = cm_GetVolumeByFID(&scp->fid);
5450         if (!volp) {
5451             code = CM_ERROR_NOSUCHVOLUME;
5452             goto _done;
5453         }
5454         volType = cm_VolumeType(volp, scp->fid.volume);
5455
5456         if (volType == ROVOL || volType == BACKVOL)
5457             pResultCB->FileSystemAttributes |= FILE_READ_ONLY_VOLUME;
5458
5459         code = cm_SyncOp(scp, NULL, userp, &req, PRSFS_READ,
5460                          CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
5461         if (code == 0)
5462         {
5463             sync_done = 1;
5464
5465             Name = volName;
5466             OfflineMsg = offLineMsg;
5467             MOTD = motd;
5468             lock_ReleaseWrite(&scp->rw);
5469             scp_locked = 0;
5470
5471             do {
5472                 code = cm_ConnFromFID(&scp->fid, userp, &req, &connp);
5473                 if (code) continue;
5474
5475                 rxconnp = cm_GetRxConn(connp);
5476                 code = RXAFS_GetVolumeStatus(rxconnp, scp->fid.volume,
5477                                               &volStat, &Name, &OfflineMsg, &MOTD);
5478                 rx_PutConnection(rxconnp);
5479
5480             } while (cm_Analyze(connp, userp, &req, &scp->fid, NULL, 0, NULL, NULL, NULL, NULL, code));
5481             code = cm_MapRPCError(code, &req);
5482         }
5483
5484         if (code == 0) {
5485             if (volType == ROVOL || volType == BACKVOL) {
5486                 pResultCB->TotalAllocationUnits.QuadPart = volStat.BlocksInUse;
5487                 pResultCB->AvailableAllocationUnits.QuadPart = 0;
5488             } else {
5489                 if (volStat.MaxQuota)
5490                 {
5491                     pResultCB->TotalAllocationUnits.QuadPart = volStat.MaxQuota;
5492                     pResultCB->AvailableAllocationUnits.QuadPart =
5493                         min(volStat.MaxQuota - volStat.BlocksInUse, volStat.PartBlocksAvail);
5494                 }
5495                 else
5496                 {
5497                     pResultCB->TotalAllocationUnits.QuadPart = volStat.PartMaxBlocks;
5498                     pResultCB->AvailableAllocationUnits.QuadPart = volStat.PartBlocksAvail;
5499                 }
5500             }
5501         } else {
5502             /*
5503              * Lie about the available space.  Out of quota errors will need
5504              * detected when the file server rejects the store data.
5505              */
5506             pResultCB->TotalAllocationUnits.QuadPart = 0x7FFFFFFF;
5507             pResultCB->AvailableAllocationUnits.QuadPart = (volType == ROVOL || volType == BACKVOL) ? 0 : 0x3F000000;
5508             code = 0;
5509         }
5510
5511         pResultCB->VolumeLabelLength = cm_Utf8ToUtf16( volp->namep, -1, pResultCB->VolumeLabel,
5512                                                        (sizeof(pResultCB->VolumeLabel) / sizeof(WCHAR)) + 1);
5513         if ( pResultCB->VolumeLabelLength )
5514             pResultCB->VolumeLabelLength--;
5515
5516         if (sync_done) {
5517             if (!scp_locked) {
5518                 lock_ObtainWrite(&scp->rw);
5519                 scp_locked = 1;
5520             }
5521             cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
5522         }
5523     }
5524     pResultCB->VolumeLabelLength *= sizeof(WCHAR);  /* convert to bytes from chars */
5525
5526   _done:
5527     if (scp_locked)
5528         lock_ReleaseWrite(&scp->rw);
5529     if (volp)
5530        cm_PutVolume(volp);
5531     cm_ReleaseSCache(scp);
5532
5533     smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
5534     (*ResultCB)->ResultStatus = status;
5535     osi_Log0(afsd_logp, "RDR_GetVolumeInfo SUCCESS");
5536     return;
5537 }
5538
5539 void
5540 RDR_GetVolumeSizeInfo( IN cm_user_t     *userp,
5541                    IN AFSFileID     FileId,
5542                    IN BOOL bWow64,
5543                    IN DWORD ResultBufferLength,
5544                    IN OUT AFSCommResult **ResultCB)
5545 {
5546     AFSVolumeSizeInfoCB *pResultCB = NULL;
5547     DWORD       Length;
5548     cm_scache_t *scp = NULL;
5549     cm_volume_t *volp = NULL;
5550     afs_uint32   volType;
5551     cm_cell_t   *cellp = NULL;
5552     cm_fid_t    Fid;
5553     afs_uint32  code;
5554     cm_req_t    req;
5555     DWORD       status;
5556
5557     char volName[32]="(unknown)";
5558     char offLineMsg[256]="server temporarily inaccessible";
5559     char motd[256]="server temporarily inaccessible";
5560     cm_conn_t *connp;
5561     AFSFetchVolumeStatus volStat;
5562     char *Name;
5563     char *OfflineMsg;
5564     char *MOTD;
5565     struct rx_connection * rxconnp;
5566     int sync_done = 0;
5567     int scp_locked = 0;
5568
5569     RDR_InitReq(&req, bWow64);
5570
5571     osi_Log4(afsd_logp, "RDR_GetVolumeSizeInfo File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
5572              FileId.Cell, FileId.Volume,
5573              FileId.Vnode, FileId.Unique);
5574
5575     Length = sizeof( AFSCommResult) + sizeof(AFSVolumeSizeInfoCB);
5576     if (sizeof(AFSVolumeSizeInfoCB) > ResultBufferLength) {
5577         *ResultCB = (AFSCommResult *)malloc(sizeof(AFSCommResult) );
5578         if (!(*ResultCB))
5579             return;
5580         memset( *ResultCB, 0, sizeof(AFSCommResult));
5581         (*ResultCB)->ResultStatus = STATUS_BUFFER_OVERFLOW;
5582         return;
5583     }
5584
5585     *ResultCB = (AFSCommResult *)malloc( Length );
5586     if (!(*ResultCB))
5587         return;
5588     memset( *ResultCB, '\0', Length );
5589     (*ResultCB)->ResultBufferLength = sizeof(AFSVolumeSizeInfoCB);
5590     pResultCB = (AFSVolumeSizeInfoCB *)(*ResultCB)->ResultData;
5591
5592     if (FileId.Cell != 0) {
5593         cm_SetFid(&Fid, FileId.Cell, FileId.Volume, 1, 1);
5594         code = cm_GetSCache(&Fid, NULL, &scp, userp, &req);
5595         if (code) {
5596             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
5597             (*ResultCB)->ResultStatus = status;
5598             (*ResultCB)->ResultBufferLength = 0;
5599             osi_Log2(afsd_logp, "RDR_GetVolumeSizeInfo cm_GetSCache FID failure code=0x%x status=0x%x",
5600                       code, status);
5601             return;
5602         }
5603     } else {
5604         (*ResultCB)->ResultStatus = STATUS_OBJECT_NAME_INVALID;
5605         osi_Log0(afsd_logp, "RDR_GetVolumeSizeInfo Object Name Invalid - Cell = 0");
5606         return;
5607     }
5608     lock_ObtainWrite(&scp->rw);
5609     scp_locked = 1;
5610
5611     pResultCB->SectorsPerAllocationUnit = 1;
5612     pResultCB->BytesPerSector = 1024;
5613
5614     if (scp->fid.cell==AFS_FAKE_ROOT_CELL_ID &&
5615         scp->fid.volume==AFS_FAKE_ROOT_VOL_ID)
5616     {
5617         pResultCB->TotalAllocationUnits.QuadPart = 100;
5618         pResultCB->AvailableAllocationUnits.QuadPart = 0;
5619     } else {
5620         volp = cm_GetVolumeByFID(&scp->fid);
5621         if (!volp) {
5622             code = CM_ERROR_NOSUCHVOLUME;
5623             goto _done;
5624         }
5625
5626         volType = cm_VolumeType(volp, scp->fid.volume);
5627
5628         code = cm_SyncOp(scp, NULL, userp, &req, PRSFS_READ,
5629                          CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
5630         if (code == 0)
5631         {
5632             sync_done = 1;
5633
5634             Name = volName;
5635             OfflineMsg = offLineMsg;
5636             MOTD = motd;
5637             lock_ReleaseWrite(&scp->rw);
5638             scp_locked = 0;
5639
5640             do {
5641                 code = cm_ConnFromFID(&scp->fid, userp, &req, &connp);
5642                 if (code) continue;
5643
5644                 rxconnp = cm_GetRxConn(connp);
5645                 code = RXAFS_GetVolumeStatus(rxconnp, scp->fid.volume,
5646                                               &volStat, &Name, &OfflineMsg, &MOTD);
5647                 rx_PutConnection(rxconnp);
5648
5649             } while (cm_Analyze(connp, userp, &req, &scp->fid, NULL, 0, NULL, NULL, NULL, NULL, code));
5650             code = cm_MapRPCError(code, &req);
5651         }
5652
5653         if (code == 0) {
5654             if (volType == ROVOL || volType == BACKVOL) {
5655                 pResultCB->TotalAllocationUnits.QuadPart = volStat.BlocksInUse;
5656                 pResultCB->AvailableAllocationUnits.QuadPart = 0;
5657             } else {
5658                 if (volStat.MaxQuota)
5659                 {
5660                     pResultCB->TotalAllocationUnits.QuadPart = volStat.MaxQuota;
5661                     pResultCB->AvailableAllocationUnits.QuadPart =
5662                         min(volStat.MaxQuota - volStat.BlocksInUse, volStat.PartBlocksAvail);
5663                 }
5664                 else
5665                 {
5666                     pResultCB->TotalAllocationUnits.QuadPart = volStat.PartMaxBlocks;
5667                     pResultCB->AvailableAllocationUnits.QuadPart = volStat.PartBlocksAvail;
5668                 }
5669             }
5670         } else {
5671             /*
5672              * Lie about the available space.  Out of quota errors will need
5673              * detected when the file server rejects the store data.
5674              */
5675             pResultCB->TotalAllocationUnits.QuadPart = 0x7FFFFFFF;
5676             pResultCB->AvailableAllocationUnits.QuadPart = (volType == ROVOL || volType == BACKVOL) ? 0 : 0x3F000000;
5677             code = 0;
5678         }
5679
5680         if (sync_done) {
5681             if (!scp_locked) {
5682                 lock_ObtainWrite(&scp->rw);
5683                 scp_locked = 1;
5684             }
5685             cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
5686         }
5687     }
5688
5689   _done:
5690     if (scp_locked)
5691         lock_ReleaseWrite(&scp->rw);
5692     if (volp)
5693        cm_PutVolume(volp);
5694     cm_ReleaseSCache(scp);
5695
5696     smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
5697     (*ResultCB)->ResultStatus = status;
5698     osi_Log0(afsd_logp, "RDR_GetVolumeSizeInfo SUCCESS");
5699     return;
5700 }
5701
5702 void
5703 RDR_HoldFid( IN cm_user_t     *userp,
5704              IN AFSHoldFidRequestCB * pHoldFidCB,
5705              IN BOOL bFast,
5706              IN DWORD ResultBufferLength,
5707              IN OUT AFSCommResult **ResultCB)
5708 {
5709     AFSHoldFidResultCB *pResultCB = NULL;
5710     DWORD       index;
5711     DWORD       Length;
5712     cm_req_t    req;
5713
5714     RDR_InitReq(&req, FALSE);
5715
5716     osi_Log1(afsd_logp, "RDR_HoldFid Count=%u", pHoldFidCB->Count);
5717
5718     Length = sizeof(AFSHoldFidResultCB) + (pHoldFidCB->Count-1) * sizeof(AFSFidResult);
5719     if (Length > ResultBufferLength) {
5720         *ResultCB = (AFSCommResult *)malloc(sizeof(AFSCommResult) );
5721         if (!(*ResultCB))
5722             return;
5723         memset( *ResultCB, 0, sizeof(AFSCommResult));
5724         (*ResultCB)->ResultStatus = STATUS_BUFFER_OVERFLOW;
5725         return;
5726     }
5727     *ResultCB = (AFSCommResult *)malloc( Length + sizeof( AFSCommResult) );
5728     if (!(*ResultCB))
5729         return;
5730     memset( *ResultCB, '\0', Length );
5731     (*ResultCB)->ResultBufferLength = Length;
5732     pResultCB = (AFSHoldFidResultCB *)(*ResultCB)->ResultData;
5733
5734     for ( index = 0; index < pHoldFidCB->Count; index++ )
5735     {
5736         cm_scache_t *scp = NULL;
5737         cm_fid_t    Fid;
5738
5739         Fid.cell   = pResultCB->Result[index].FileID.Cell   = pHoldFidCB->FileID[index].Cell;
5740         Fid.volume = pResultCB->Result[index].FileID.Volume = pHoldFidCB->FileID[index].Volume;
5741         Fid.vnode  = pResultCB->Result[index].FileID.Vnode  = pHoldFidCB->FileID[index].Vnode;
5742         Fid.unique = pResultCB->Result[index].FileID.Unique = pHoldFidCB->FileID[index].Unique;
5743         Fid.hash   = pResultCB->Result[index].FileID.Hash   = pHoldFidCB->FileID[index].Hash;
5744
5745         osi_Log4( afsd_logp,
5746                   "RDR_HoldFid File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
5747                   Fid.cell, Fid.volume, Fid.vnode, Fid.unique);
5748
5749         scp = cm_FindSCache(&Fid);
5750         if (scp) {
5751             RDR_FlagScpInUse( scp, FALSE );
5752             cm_ReleaseSCache(scp);
5753         }
5754         pResultCB->Result[index].Status = 0;
5755     }
5756
5757     (*ResultCB)->ResultStatus = 0;
5758     osi_Log0(afsd_logp, "RDR_HoldFid SUCCESS");
5759     return;
5760 }
5761
5762 void
5763 RDR_ReleaseFid( IN cm_user_t     *userp,
5764                 IN AFSReleaseFidRequestCB * pReleaseFidCB,
5765                 IN BOOL bFast,
5766                 IN DWORD ResultBufferLength,
5767                 IN OUT AFSCommResult **ResultCB)
5768 {
5769     AFSReleaseFidResultCB *pResultCB = NULL;
5770     DWORD       index;
5771     DWORD       Length;
5772     cm_req_t    req;
5773
5774     RDR_InitReq(&req, FALSE);
5775
5776     osi_Log1(afsd_logp, "RDR_ReleaseFid Count=%u", pReleaseFidCB->Count);
5777
5778     Length = sizeof(AFSReleaseFidResultCB) + (pReleaseFidCB->Count ? pReleaseFidCB->Count-1 : 0) * sizeof(AFSFidResult);
5779     if (Length > ResultBufferLength) {
5780         *ResultCB = (AFSCommResult *)malloc(sizeof(AFSCommResult) );
5781         if (!(*ResultCB))
5782             return;
5783         memset( *ResultCB, 0, sizeof(AFSCommResult));
5784         (*ResultCB)->ResultStatus = STATUS_BUFFER_OVERFLOW;
5785         return;
5786     }
5787     *ResultCB = (AFSCommResult *)malloc( Length + sizeof( AFSCommResult) );
5788     if (!(*ResultCB))
5789         return;
5790     memset( *ResultCB, '\0', Length );
5791     (*ResultCB)->ResultBufferLength = Length;
5792     pResultCB = (AFSReleaseFidResultCB *)(*ResultCB)->ResultData;
5793
5794     for ( index = 0; index < pReleaseFidCB->Count; index++ )
5795     {
5796         cm_scache_t *scp = NULL;
5797         cm_fid_t    Fid;
5798
5799         Fid.cell   = pResultCB->Result[index].FileID.Cell   = pReleaseFidCB->FileID[index].Cell;
5800         Fid.volume = pResultCB->Result[index].FileID.Volume = pReleaseFidCB->FileID[index].Volume;
5801         Fid.vnode  = pResultCB->Result[index].FileID.Vnode  = pReleaseFidCB->FileID[index].Vnode;
5802         Fid.unique = pResultCB->Result[index].FileID.Unique = pReleaseFidCB->FileID[index].Unique;
5803         Fid.hash   = pResultCB->Result[index].FileID.Hash   = pReleaseFidCB->FileID[index].Hash;
5804
5805         osi_Log4( afsd_logp,
5806                   "RDR_ReleaseFid File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
5807                   Fid.cell, Fid.volume, Fid.vnode, Fid.unique);
5808
5809         scp = cm_FindSCache(&Fid);
5810         if (scp) {
5811             lock_ObtainWrite(&scp->rw);
5812             scp->flags &= ~CM_SCACHEFLAG_RDR_IN_USE;
5813             lock_ReleaseWrite(&scp->rw);
5814
5815             cm_ReleaseSCache(scp);
5816         }
5817         pResultCB->Result[index].Status = 0;
5818     }
5819     pResultCB->Count = pReleaseFidCB->Count;
5820
5821     (*ResultCB)->ResultStatus = 0;
5822     osi_Log0(afsd_logp, "RDR_ReleaseFid SUCCESS");
5823     return;
5824 }
5825
5826 /*
5827  * The redirector makes several assumptions regarding the
5828  * SRVSVC and WKSSVC pipes transactions.  First, the interface
5829  * versions are those indicated below.  Secondly, the encoding
5830  * will be performed using NDR version 2.  These assumptions
5831  * may not hold in the future and end-to-end MSRPC Bind
5832  * negotiations may need to be supported.  Of course, these
5833  * are the only interface versions that are supported by the
5834  * service.
5835  */
5836 #define MSRPC_PIPE_PREFIX L".\\"
5837
5838 static const UUID MSRPC_SRVSVC_UUID = {0x4B324FC8, 0x1670, 0x01D3,
5839                                        {0x12, 0x78, 0x5A, 0x47, 0xBF, 0x6E, 0xE1, 0x88}};
5840 #define MSRPC_SRVSVC_NAME L"PIPE\\SRVSVC"
5841 #define MSRPC_SRVSVC_VERS 3
5842
5843 static const UUID MSRPC_WKSSVC_UUID = {0x6BFFD098, 0xA112, 0x3610,
5844                                        {0x98, 0x33, 0x46, 0xC3, 0xF8, 0x7E, 0x34, 0x5A}};
5845 #define MSRPC_WKSSVC_NAME L"PIPE\\WKSSVC"
5846 #define MSRPC_WKSSVC_VERS 1
5847
5848 static const UUID MSRPC_NDR_UUID = {0x8A885D04, 0x1CEB, 0x11C9,
5849                                     {0x9F, 0xE8, 0x08, 0x00, 0x2B, 0x10, 0x48, 0x60}};
5850 #define MSRPC_NDR_NAME    L"NDR"
5851 #define MSRPC_NDR_VERS    2
5852
5853 extern RPC_IF_HANDLE srvsvc_v3_0_s_ifspec;
5854 extern RPC_IF_HANDLE wkssvc_v1_0_s_ifspec;
5855
5856 void
5857 RDR_PipeOpen( IN cm_user_t *userp,
5858               IN AFSFileID  ParentId,
5859               IN WCHAR     *Name,
5860               IN DWORD      NameLength,
5861               IN AFSPipeOpenCloseRequestCB *pPipe_CB,
5862               IN BOOL bWow64,
5863               IN DWORD ResultBufferLength,
5864               IN OUT AFSCommResult **ResultCB)
5865 {
5866     cm_fid_t    ParentFid;
5867     cm_fid_t    RootFid;
5868
5869     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult));
5870     if (!(*ResultCB))
5871         return;
5872
5873     memset( *ResultCB,
5874             '\0',
5875             sizeof( AFSCommResult));
5876
5877     /* Get the active directory */
5878     ParentFid.cell = ParentId.Cell;
5879     ParentFid.volume = ParentId.Volume;
5880     ParentFid.vnode = ParentId.Vnode;
5881     ParentFid.unique = ParentId.Unique;
5882     ParentFid.hash = ParentId.Hash;
5883
5884     /* Get the root directory */
5885     RootFid.cell = pPipe_CB->RootId.Cell;
5886     RootFid.volume = pPipe_CB->RootId.Volume;
5887     RootFid.vnode = pPipe_CB->RootId.Vnode;
5888     RootFid.unique = pPipe_CB->RootId.Unique;
5889     RootFid.hash = pPipe_CB->RootId.Hash;
5890
5891     /* Create the pipe index */
5892     (*ResultCB)->ResultStatus =
5893       RDR_SetupPipe( pPipe_CB->RequestId, &ParentFid, &RootFid,
5894                      Name, NameLength, userp);
5895     return;
5896 }
5897
5898
5899 void
5900 RDR_PipeClose( IN cm_user_t *userp,
5901                IN AFSFileID  ParentId,
5902                IN AFSPipeOpenCloseRequestCB *pPipe_CB,
5903                IN BOOL bWow64,
5904                IN DWORD ResultBufferLength,
5905                IN OUT AFSCommResult **ResultCB)
5906 {
5907     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult));
5908     if (!(*ResultCB))
5909         return;
5910
5911     memset( *ResultCB,
5912             '\0',
5913             sizeof( AFSCommResult));
5914
5915     /* Cleanup the pipe index */
5916     RDR_CleanupPipe(pPipe_CB->RequestId);
5917
5918     return;
5919 }
5920
5921
5922 void
5923 RDR_PipeWrite( IN cm_user_t *userp,
5924                IN AFSFileID  ParentId,
5925                IN AFSPipeIORequestCB *pPipe_CB,
5926                IN BYTE *pPipe_Data,
5927                IN BOOL bWow64,
5928                IN DWORD ResultBufferLength,
5929                IN OUT AFSCommResult **ResultCB)
5930 {
5931     AFSPipeIOResultCB *pResultCB;
5932     cm_scache_t *dscp = NULL;
5933     afs_uint32  code;
5934     cm_req_t    req;
5935     DWORD       status;
5936
5937     RDR_InitReq(&req, bWow64);
5938
5939     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult) + sizeof(AFSPipeIOResultCB));
5940     if (!(*ResultCB))
5941         return;
5942
5943     memset( *ResultCB,
5944             '\0',
5945             sizeof( AFSCommResult) + sizeof(AFSPipeIOResultCB));
5946
5947     pResultCB = (AFSPipeIOResultCB *)(*ResultCB)->ResultData;
5948
5949     code = RDR_Pipe_Write( pPipe_CB->RequestId, pPipe_CB->BufferLength, pPipe_Data, &req, userp);
5950     if (code) {
5951         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
5952         (*ResultCB)->ResultStatus = status;
5953         return;
5954     }
5955
5956     pResultCB->BytesProcessed = pPipe_CB->BufferLength;
5957     (*ResultCB)->ResultBufferLength = sizeof( AFSPipeIOResultCB);
5958 }
5959
5960
5961 void
5962 RDR_PipeRead( IN cm_user_t *userp,
5963               IN AFSFileID  ParentId,
5964               IN AFSPipeIORequestCB *pPipe_CB,
5965               IN BOOL bWow64,
5966               IN DWORD ResultBufferLength,
5967               IN OUT AFSCommResult **ResultCB)
5968 {
5969     BYTE *pPipe_Data;
5970     cm_scache_t *dscp = NULL;
5971     afs_uint32  code;
5972     cm_req_t    req;
5973     DWORD       status;
5974
5975     RDR_InitReq(&req, bWow64);
5976
5977     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult) + ResultBufferLength);
5978     if (!(*ResultCB))
5979         return;
5980
5981     memset( *ResultCB,
5982             '\0',
5983             sizeof( AFSCommResult));
5984
5985     pPipe_Data = (BYTE *)(*ResultCB)->ResultData;
5986
5987     code = RDR_Pipe_Read( pPipe_CB->RequestId, ResultBufferLength, pPipe_Data,
5988                           &(*ResultCB)->ResultBufferLength, &req, userp);
5989     if (code) {
5990         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
5991         (*ResultCB)->ResultStatus = status;
5992         return;
5993     }
5994 }
5995
5996
5997 void
5998 RDR_PipeSetInfo( IN cm_user_t *userp,
5999                  IN AFSFileID  ParentId,
6000                  IN AFSPipeInfoRequestCB *pPipeInfo_CB,
6001                  IN BYTE *pPipe_Data,
6002                  IN BOOL bWow64,
6003                  IN DWORD ResultBufferLength,
6004                  IN OUT AFSCommResult **ResultCB)
6005 {
6006     cm_scache_t *dscp = NULL;
6007     cm_req_t    req;
6008     DWORD       status;
6009
6010     RDR_InitReq(&req, bWow64);
6011
6012     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult));
6013     if (!(*ResultCB))
6014         return;
6015
6016     memset( *ResultCB,
6017             '\0',
6018             sizeof( AFSCommResult));
6019
6020     status = RDR_Pipe_SetInfo( pPipeInfo_CB->RequestId, pPipeInfo_CB->InformationClass,
6021                                pPipeInfo_CB->BufferLength, pPipe_Data, &req, userp);
6022
6023     (*ResultCB)->ResultStatus = status;
6024 }
6025
6026
6027 void
6028 RDR_PipeQueryInfo( IN cm_user_t *userp,
6029                    IN AFSFileID  ParentId,
6030                    IN AFSPipeInfoRequestCB *pPipeInfo_CB,
6031                    IN BOOL bWow64,
6032                    IN DWORD ResultBufferLength,
6033                    IN OUT AFSCommResult **ResultCB)
6034 {
6035     BYTE *pPipe_Data;
6036     cm_scache_t *dscp = NULL;
6037     cm_req_t    req;
6038     DWORD       status;
6039
6040     RDR_InitReq(&req, bWow64);
6041
6042     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult) + ResultBufferLength);
6043     if (!(*ResultCB))
6044         return;
6045
6046     memset( *ResultCB,
6047             '\0',
6048             sizeof( AFSCommResult) + sizeof(AFSPipeIOResultCB));
6049
6050     pPipe_Data = (BYTE *)(*ResultCB)->ResultData;
6051
6052     status = RDR_Pipe_QueryInfo( pPipeInfo_CB->RequestId, pPipeInfo_CB->InformationClass,
6053                                  ResultBufferLength, pPipe_Data,
6054                                  &(*ResultCB)->ResultBufferLength, &req, userp);
6055
6056     (*ResultCB)->ResultStatus = status;
6057 }
6058
6059 void
6060 RDR_PipeTransceive( IN cm_user_t     *userp,
6061                     IN AFSFileID  ParentId,
6062                     IN AFSPipeIORequestCB *pPipe_CB,
6063                     IN BYTE *pPipe_InData,
6064                     IN BOOL bWow64,
6065                     IN DWORD ResultBufferLength,
6066                     IN OUT AFSCommResult **ResultCB)
6067 {
6068     /*
6069      * This function processes a Pipe Service request
6070      * that would normally be sent to a LAN Manager server
6071      * across an authenticated SMB-PIPE/MSRPC/SVC request
6072      * stack.  The request is being sent here because the
6073      * application (e.g., Explorer Shell or Common Control File
6074      * dialog) believes that because the UNC path it is
6075      * processing has specified a server name that is not
6076      * "." and that the Server is remote and that the Share
6077      * list cannot be obtained using the Network Provider
6078      * interface.
6079      *
6080      * The file system driver is faking the Bind-Ack response
6081      * to the MSRPC Bind request but cannot decode the NDR
6082      * encoded Pipe Service requests.  For that we will use
6083      * the service's MSRPC module.  However, unlike the SMB
6084      * server usage we must fake the MSRPC Bind exchange and
6085      * map the PipeName to an interface instead of using the
6086      * GUID specified in the MSRPC Bind request.
6087      *
6088      * None of the requests that are being processed by the
6089      * service require authentication.  As a result the userp
6090      * parameter will be ignored.
6091      *
6092      * Although there are dozens of Pipe Services, the only
6093      * ones that we are implementing are WKSSVC and SRVSVC.
6094      * These support NetShareEnum, NetShareGetInfo,
6095      * NetServerGetInfo, and NetWorkstaGetInfo which are
6096      * commonly queried by NET VIEW, the Explorer Shell,
6097      * and the Common Control File dialog.
6098      */
6099     BYTE *pPipe_OutData;
6100     cm_scache_t *dscp = NULL;
6101     afs_uint32  code;
6102     cm_req_t    req;
6103     DWORD       status;
6104     DWORD Length = ResultBufferLength + sizeof( AFSCommResult);
6105
6106     RDR_InitReq(&req, bWow64);
6107
6108     *ResultCB = (AFSCommResult *)malloc( Length);
6109     if (!(*ResultCB))
6110         return;
6111     memset( *ResultCB, '\0', Length );
6112
6113     code = RDR_Pipe_Write( pPipe_CB->RequestId, pPipe_CB->BufferLength, pPipe_InData, &req, userp);
6114     if (code) {
6115         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
6116         osi_Log2( afsd_logp, "RDR_Pipe_Transceive Write FAILURE code=0x%x status=0x%x",
6117                   code, status);
6118         (*ResultCB)->ResultStatus = status;
6119         return;
6120     }
6121
6122     pPipe_OutData = (BYTE *)(*ResultCB)->ResultData;
6123     code = RDR_Pipe_Read( pPipe_CB->RequestId, ResultBufferLength, pPipe_OutData,
6124                           &(*ResultCB)->ResultBufferLength, &req, userp);
6125     if (code) {
6126         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
6127         osi_Log2( afsd_logp, "RDR_Pipe_Transceive Read FAILURE code=0x%x status=0x%x",
6128                   code, status);
6129         (*ResultCB)->ResultStatus = status;
6130         return;
6131     }
6132
6133     (*ResultCB)->ResultStatus = 0;
6134     osi_Log0(afsd_logp, "RDR_Pipe_Transceive SUCCESS");
6135 }