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         StringCchCopyNW(wszName, cbName, _C(CM_PREFIX_VOL), CM_PREFIX_VOL_CCH);
1068         if (wcschr(wszName, '%') != NULL || wcschr(wszName, '#') != NULL) {
1069             /*
1070              * A volume reference:  <cell>{%,#}<volume> -> @vol:<cell>{%,#}<volume>
1071              */
1072             StringCbCatNW(wszName, cbName, FileName, FileNameLength);
1073         } else {
1074             if (FileName[0] == L'.') {
1075                 StringCbCatNW(wszName, cbName, &FileName[1], FileNameLength);
1076                 StringCbCatNW(wszName, cbName, L"%", sizeof(WCHAR));
1077             } else {
1078                 StringCbCatNW(wszName, cbName, FileName, FileNameLength);
1079                 StringCbCatNW(wszName, cbName, L"#", sizeof(WCHAR));
1080             }
1081             StringCbCatNW(wszName, cbName, L"root.cell", 9 * sizeof(WCHAR));
1082         }
1083         bVol = TRUE;
1084
1085         code = cm_EvaluateVolumeReference(wszName, CM_FLAG_CHECKPATH, userp, &req, &scp);
1086     }
1087
1088     if (code == 0 && scp) {
1089         wchar_t shortName[13]=L"";
1090
1091         if (!cm_shortNames) {
1092             shortName[0] = L'\0';
1093         } else if (bVol) {
1094             cm_Gen8Dot3VolNameW(scp->fid.cell, scp->fid.volume, shortName, NULL);
1095         } else if (!cm_Is8Dot3(wszName)) {
1096             cm_dirFid_t dfid;
1097
1098             dfid.vnode = htonl(scp->fid.vnode);
1099             dfid.unique = htonl(scp->fid.unique);
1100
1101             cm_Gen8Dot3NameIntW(FileName, &dfid, shortName, NULL);
1102         } else {
1103             shortName[0] = L'\0';
1104         }
1105
1106         code = RDR_PopulateCurrentEntry(pCurrentEntry, dwRemaining,
1107                                         dscp, scp, userp, &req,
1108                                         FileName, shortName,
1109                                         (bWow64 ? RDR_POP_WOW64 : 0) |
1110                                         (bNoFollow ? 0 : (RDR_POP_FOLLOW_MOUNTPOINTS | RDR_POP_EVALUATE_SYMLINKS)),
1111                                         0, NULL, &dwRemaining);
1112         if (bHoldFid)
1113             RDR_FlagScpInUse( scp, FALSE );
1114         cm_ReleaseSCache(scp);
1115
1116         if (code) {
1117             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1118             (*ResultCB)->ResultStatus = status;
1119             osi_Log2(afsd_logp, "RDR_EvaluateNodeByName FAILURE code=0x%x status=0x%x",
1120                       code, status);
1121         } else {
1122             pEvalResultCB->ParentDataVersion.QuadPart = dscp->dataVersion;
1123             (*ResultCB)->ResultStatus = STATUS_SUCCESS;
1124             (*ResultCB)->ResultBufferLength = ResultBufferLength - dwRemaining;
1125             osi_Log0(afsd_logp, "RDR_EvaluateNodeByName SUCCESS");
1126         }
1127     } else if (code) {
1128         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1129         (*ResultCB)->ResultStatus = status;
1130         osi_Log2(afsd_logp, "RDR_EvaluateNodeByName FAILURE code=0x%x status=0x%x",
1131                  code, status);
1132     } else {
1133         (*ResultCB)->ResultStatus = STATUS_NO_SUCH_FILE;
1134         osi_Log0(afsd_logp, "RDR_EvaluateNodeByName No Such File");
1135     }
1136     cm_ReleaseSCache(dscp);
1137     free(wszName);
1138
1139     return;
1140 }
1141
1142 void
1143 RDR_EvaluateNodeByID( IN cm_user_t *userp,
1144                       IN AFSFileID ParentID,            /* not used */
1145                       IN AFSFileID SourceID,
1146                       IN BOOL      bWow64,
1147                       IN BOOL      bNoFollow,
1148                       IN BOOL      bHoldFid,
1149                       IN DWORD     ResultBufferLength,
1150                       IN OUT AFSCommResult **ResultCB)
1151 {
1152     AFSFileEvalResultCB *pEvalResultCB = NULL;
1153     AFSDirEnumEntry * pCurrentEntry = NULL;
1154     size_t size = ResultBufferLength ? sizeof(AFSCommResult) + ResultBufferLength - 1 : sizeof(AFSCommResult);
1155     afs_uint32  code = 0;
1156     cm_scache_t * scp = NULL;
1157     cm_scache_t * dscp = NULL;
1158     cm_req_t      req;
1159     cm_fid_t      Fid;
1160     cm_fid_t      parentFid;
1161     DWORD         status;
1162     DWORD         dwRemaining;
1163
1164     osi_Log4(afsd_logp, "RDR_EvaluateNodeByID source FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
1165               SourceID.Cell, SourceID.Volume, SourceID.Vnode, SourceID.Unique);
1166     osi_Log4(afsd_logp, "... parent FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
1167               ParentID.Cell, ParentID.Volume, ParentID.Vnode, ParentID.Unique);
1168
1169     *ResultCB = (AFSCommResult *)malloc(size);
1170     if (!(*ResultCB)) {
1171         osi_Log0(afsd_logp, "RDR_EvaluateNodeByID Out of Memory");
1172         return;
1173     }
1174
1175     memset(*ResultCB, 0, size);
1176     (*ResultCB)->ResultBufferLength = 0;
1177     dwRemaining = ResultBufferLength;
1178     if (ResultBufferLength >= sizeof( AFSFileEvalResultCB)) {
1179         pEvalResultCB = (AFSFileEvalResultCB *)&(*ResultCB)->ResultData;
1180         pCurrentEntry = &pEvalResultCB->DirEnum;
1181         dwRemaining -= (sizeof( AFSFileEvalResultCB) - sizeof( AFSDirEnumEntry));
1182     }
1183
1184     RDR_InitReq(&req, bWow64);
1185
1186     if (SourceID.Cell != 0) {
1187         cm_SetFid(&Fid, SourceID.Cell, SourceID.Volume, SourceID.Vnode, SourceID.Unique);
1188         code = cm_GetSCache(&Fid, NULL, &scp, userp, &req);
1189         if (code) {
1190             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1191             (*ResultCB)->ResultStatus = status;
1192             osi_Log2(afsd_logp, "RDR_EvaluateNodeByID cm_GetSCache SourceFID failure code=0x%x status=0x%x",
1193                       code, status);
1194             return;
1195         }
1196     } else {
1197         (*ResultCB)->ResultStatus = STATUS_OBJECT_NAME_INVALID;
1198         osi_Log0(afsd_logp, "RDR_EvaluateNodeByID Object Name Invalid - Cell = 0");
1199         return;
1200     }
1201
1202     if (ParentID.Cell != 0) {
1203         cm_SetFid(&parentFid, ParentID.Cell, ParentID.Volume, ParentID.Vnode, ParentID.Unique);
1204         code = cm_GetSCache(&parentFid, NULL, &dscp, userp, &req);
1205         if (code) {
1206             cm_ReleaseSCache(scp);
1207             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1208             if ( status == STATUS_INVALID_HANDLE)
1209                 status = STATUS_OBJECT_PATH_INVALID;
1210             (*ResultCB)->ResultStatus = status;
1211             osi_Log2(afsd_logp, "RDR_EvaluateNodeByID cm_GetSCache parentFID failure code=0x%x status=0x%x",
1212                       code, status);
1213             return;
1214         }
1215     } else if (SourceID.Vnode == 1) {
1216         dscp = scp;
1217         cm_HoldSCache(dscp);
1218     } else if (scp->parentVnode) {
1219         cm_SetFid(&parentFid, SourceID.Cell, SourceID.Volume, scp->parentVnode, scp->parentUnique);
1220         code = cm_GetSCache(&parentFid, NULL, &dscp, userp, &req);
1221         if (code) {
1222             cm_ReleaseSCache(scp);
1223             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1224             if ( status == STATUS_INVALID_HANDLE)
1225                 status = STATUS_OBJECT_PATH_INVALID;
1226             (*ResultCB)->ResultStatus = status;
1227             osi_Log2(afsd_logp, "RDR_EvaluateNodeByID cm_GetSCache parentFID failure code=0x%x status=0x%x",
1228                       code, status);
1229             return;
1230         }
1231     } else {
1232         (*ResultCB)->ResultStatus = STATUS_OBJECT_PATH_INVALID;
1233         osi_Log0(afsd_logp, "RDR_EvaluateNodeByID Object Path Invalid - Unknown Parent");
1234         return;
1235     }
1236
1237     /* Make sure the directory is current */
1238     lock_ObtainWrite(&dscp->rw);
1239     code = cm_SyncOp(dscp, NULL, userp, &req, 0,
1240                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1241     if (code) {
1242         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1243         (*ResultCB)->ResultStatus = status;
1244         lock_ReleaseWrite(&dscp->rw);
1245         cm_ReleaseSCache(dscp);
1246         cm_ReleaseSCache(scp);
1247         osi_Log3(afsd_logp, "RDR_EvaluateNodeByID cm_SyncOp failure dscp=0x%p code=0x%x status=0x%x",
1248                  dscp, code, status);
1249         return;
1250     }
1251
1252     cm_SyncOpDone(dscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1253     lock_ReleaseWrite(&dscp->rw);
1254
1255     if (dscp->fileType != CM_SCACHETYPE_DIRECTORY) {
1256         (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
1257         cm_ReleaseSCache(dscp);
1258         cm_ReleaseSCache(scp);
1259         osi_Log1(afsd_logp, "RDR_EvaluateNodeByID Not a Directory dscp=0x%p", dscp);
1260         return;
1261     }
1262
1263     code = RDR_PopulateCurrentEntry(pCurrentEntry, dwRemaining,
1264                                     dscp, scp, userp, &req, NULL, NULL,
1265                                     (bWow64 ? RDR_POP_WOW64 : 0) |
1266                                     (bNoFollow ? 0 : (RDR_POP_FOLLOW_MOUNTPOINTS | RDR_POP_EVALUATE_SYMLINKS)),
1267                                     0, NULL, &dwRemaining);
1268
1269     if (bHoldFid)
1270         RDR_FlagScpInUse( scp, FALSE );
1271     cm_ReleaseSCache(scp);
1272     cm_ReleaseSCache(dscp);
1273
1274     if (code) {
1275         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1276         (*ResultCB)->ResultStatus = status;
1277         osi_Log2(afsd_logp, "RDR_EvaluateNodeByID FAILURE code=0x%x status=0x%x",
1278                  code, status);
1279     } else {
1280         pEvalResultCB->ParentDataVersion.QuadPart = dscp->dataVersion;
1281
1282         (*ResultCB)->ResultStatus = STATUS_SUCCESS;
1283         (*ResultCB)->ResultBufferLength = ResultBufferLength - dwRemaining;
1284         osi_Log0(afsd_logp, "RDR_EvaluateNodeByID SUCCESS");
1285     }
1286     return;
1287 }
1288
1289 void
1290 RDR_CreateFileEntry( IN cm_user_t *userp,
1291                      IN WCHAR *FileNameCounted,
1292                      IN DWORD FileNameLength,
1293                      IN AFSFileCreateCB *CreateCB,
1294                      IN BOOL bWow64,
1295                      IN BOOL bHoldFid,
1296                      IN DWORD ResultBufferLength,
1297                      IN OUT AFSCommResult **ResultCB)
1298 {
1299     AFSFileCreateResultCB *pResultCB = NULL;
1300     size_t size = sizeof(AFSCommResult) + ResultBufferLength - 1;
1301     cm_fid_t            parentFid;
1302     afs_uint32          code;
1303     cm_scache_t *       dscp = NULL;
1304     afs_uint32          flags = 0;
1305     cm_attr_t           setAttr;
1306     cm_scache_t *       scp = NULL;
1307     cm_req_t            req;
1308     DWORD               status;
1309     wchar_t             FileName[260];
1310
1311     StringCchCopyNW(FileName, 260, FileNameCounted, FileNameLength / sizeof(WCHAR));
1312
1313     osi_Log4(afsd_logp, "RDR_CreateFileEntry parent FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
1314               CreateCB->ParentId.Cell, CreateCB->ParentId.Volume,
1315               CreateCB->ParentId.Vnode, CreateCB->ParentId.Unique);
1316     osi_Log1(afsd_logp, "... name=%S", osi_LogSaveStringW(afsd_logp, FileName));
1317
1318     RDR_InitReq(&req, bWow64);
1319     memset(&setAttr, 0, sizeof(cm_attr_t));
1320
1321     *ResultCB = (AFSCommResult *)malloc(size);
1322     if (!(*ResultCB)) {
1323         osi_Log0(afsd_logp, "RDR_CreateFileEntry out of memory");
1324         return;
1325     }
1326
1327     memset( *ResultCB,
1328             '\0',
1329             size);
1330
1331     parentFid.cell   = CreateCB->ParentId.Cell;
1332     parentFid.volume = CreateCB->ParentId.Volume;
1333     parentFid.vnode  = CreateCB->ParentId.Vnode;
1334     parentFid.unique = CreateCB->ParentId.Unique;
1335     parentFid.hash   = CreateCB->ParentId.Hash;
1336
1337     code = cm_GetSCache(&parentFid, NULL, &dscp, userp, &req);
1338     if (code) {
1339         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1340         (*ResultCB)->ResultStatus = status;
1341         if ( status == STATUS_INVALID_HANDLE)
1342             status = STATUS_OBJECT_PATH_INVALID;
1343         osi_Log2(afsd_logp, "RDR_CreateFileEntry cm_GetSCache ParentFID failure code=0x%x status=0x%x",
1344                   code, status);
1345         return;
1346     }
1347
1348     lock_ObtainWrite(&dscp->rw);
1349     code = cm_SyncOp(dscp, NULL, userp, &req, 0,
1350                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1351     if (code) {
1352         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1353         (*ResultCB)->ResultStatus = status;
1354         lock_ReleaseWrite(&dscp->rw);
1355         cm_ReleaseSCache(dscp);
1356         osi_Log3(afsd_logp, "RDR_CreateFileEntry cm_SyncOp failure (1) dscp=0x%p code=0x%x status=0x%x",
1357                  dscp, code, status);
1358         return;
1359     }
1360
1361     cm_SyncOpDone(dscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1362     lock_ReleaseWrite(&dscp->rw);
1363
1364     if (dscp->fileType != CM_SCACHETYPE_DIRECTORY) {
1365         (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
1366         cm_ReleaseSCache(dscp);
1367         osi_Log1(afsd_logp, "RDR_CreateFileEntry Not a Directory dscp=0x%p",
1368                  dscp);
1369         return;
1370     }
1371
1372     /* Use current time */
1373     setAttr.mask = CM_ATTRMASK_CLIENTMODTIME;
1374     setAttr.clientModTime = time(NULL);
1375
1376     if (CreateCB->FileAttributes & FILE_ATTRIBUTE_DIRECTORY) {
1377         if (smb_unixModeDefaultDir) {
1378             setAttr.mask |= CM_ATTRMASK_UNIXMODEBITS;
1379             setAttr.unixModeBits = smb_unixModeDefaultDir;
1380             if (CreateCB->FileAttributes & FILE_ATTRIBUTE_READONLY)
1381                 setAttr.unixModeBits &= ~0222;          /* disable the write bits */
1382         }
1383
1384         code = cm_MakeDir(dscp, FileName, flags, &setAttr, userp, &req, &scp);
1385     } else {
1386         if (smb_unixModeDefaultFile) {
1387             setAttr.mask |= CM_ATTRMASK_UNIXMODEBITS;
1388             setAttr.unixModeBits = smb_unixModeDefaultFile;
1389             if (CreateCB->FileAttributes & FILE_ATTRIBUTE_READONLY)
1390                 setAttr.unixModeBits &= ~0222;          /* disable the write bits */
1391         }
1392
1393         setAttr.mask |= CM_ATTRMASK_LENGTH;
1394         setAttr.length.LowPart = CreateCB->AllocationSize.LowPart;
1395         setAttr.length.HighPart = CreateCB->AllocationSize.HighPart;
1396         code = cm_Create(dscp, FileName, flags, &setAttr, &scp, userp, &req);
1397     }
1398     if (code == 0) {
1399         wchar_t shortName[13]=L"";
1400         cm_dirFid_t dfid;
1401         DWORD dwRemaining;
1402
1403         (*ResultCB)->ResultStatus = 0;  // We will be able to fit all the data in here
1404
1405         (*ResultCB)->ResultBufferLength = sizeof( AFSFileCreateResultCB);
1406
1407         pResultCB = (AFSFileCreateResultCB *)(*ResultCB)->ResultData;
1408
1409         dwRemaining = ResultBufferLength - sizeof( AFSFileCreateResultCB) + sizeof( AFSDirEnumEntry);
1410
1411         lock_ObtainWrite(&dscp->rw);
1412         code = cm_SyncOp(dscp, NULL, userp, &req, 0,
1413                           CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1414         if (code) {
1415             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1416             (*ResultCB)->ResultStatus = status;
1417             lock_ReleaseWrite(&dscp->rw);
1418             cm_ReleaseSCache(dscp);
1419             cm_ReleaseSCache(scp);
1420             osi_Log3(afsd_logp, "RDR_CreateFileEntry cm_SyncOp failure (2) dscp=0x%p code=0x%x status=0x%x",
1421                       dscp, code, status);
1422             return;
1423         }
1424
1425         pResultCB->ParentDataVersion.QuadPart = dscp->dataVersion;
1426
1427         cm_SyncOpDone(dscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1428         lock_ReleaseWrite(&dscp->rw);
1429
1430         if (cm_shortNames) {
1431             dfid.vnode = htonl(scp->fid.vnode);
1432             dfid.unique = htonl(scp->fid.unique);
1433
1434             if (!cm_Is8Dot3(FileName))
1435                 cm_Gen8Dot3NameIntW(FileName, &dfid, shortName, NULL);
1436             else
1437                 shortName[0] = '\0';
1438         }
1439
1440         code = RDR_PopulateCurrentEntry(&pResultCB->DirEnum, dwRemaining,
1441                                         dscp, scp, userp, &req, FileName, shortName,
1442                                         RDR_POP_FOLLOW_MOUNTPOINTS | RDR_POP_EVALUATE_SYMLINKS,
1443                                         0, NULL, &dwRemaining);
1444
1445         if (bHoldFid)
1446             RDR_FlagScpInUse( scp, FALSE );
1447         cm_ReleaseSCache(scp);
1448         (*ResultCB)->ResultBufferLength = ResultBufferLength - dwRemaining;
1449         osi_Log0(afsd_logp, "RDR_CreateFileEntry SUCCESS");
1450     } else {
1451         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1452         (*ResultCB)->ResultStatus = status;
1453         (*ResultCB)->ResultBufferLength = 0;
1454         osi_Log2(afsd_logp, "RDR_CreateFileEntry FAILURE code=0x%x status=0x%x",
1455                   code, status);
1456     }
1457
1458     cm_ReleaseSCache(dscp);
1459
1460     return;
1461 }
1462
1463 void
1464 RDR_UpdateFileEntry( IN cm_user_t *userp,
1465                      IN AFSFileID FileId,
1466                      IN AFSFileUpdateCB *UpdateCB,
1467                      IN BOOL bWow64,
1468                      IN DWORD ResultBufferLength,
1469                      IN OUT AFSCommResult **ResultCB)
1470 {
1471     AFSFileUpdateResultCB *pResultCB = NULL;
1472     size_t size = sizeof(AFSCommResult) + ResultBufferLength - 1;
1473     cm_fid_t            Fid;
1474     cm_fid_t            parentFid;
1475     afs_uint32          code;
1476     afs_uint32          flags = 0;
1477     cm_attr_t           setAttr;
1478     cm_scache_t *       scp = NULL;
1479     cm_scache_t *       dscp = NULL;
1480     cm_req_t            req;
1481     time_t              clientModTime;
1482     FILETIME            ft;
1483     DWORD               status;
1484     BOOL                bScpLocked = FALSE;
1485
1486     RDR_InitReq(&req, bWow64);
1487     memset(&setAttr, 0, sizeof(cm_attr_t));
1488
1489     osi_Log4(afsd_logp, "RDR_UpdateFileEntry parent FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
1490               UpdateCB->ParentId.Cell, UpdateCB->ParentId.Volume,
1491               UpdateCB->ParentId.Vnode, UpdateCB->ParentId.Unique);
1492     osi_Log4(afsd_logp, "... object FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
1493               FileId.Cell, FileId.Volume,
1494               FileId.Vnode, FileId.Unique);
1495
1496     *ResultCB = (AFSCommResult *)malloc( size);
1497     if (!(*ResultCB)) {
1498         osi_Log0(afsd_logp, "RDR_UpdateFileEntry Out of Memory");
1499         return;
1500     }
1501
1502     memset( *ResultCB,
1503             '\0',
1504             size);
1505
1506     parentFid.cell   = UpdateCB->ParentId.Cell;
1507     parentFid.volume = UpdateCB->ParentId.Volume;
1508     parentFid.vnode  = UpdateCB->ParentId.Vnode;
1509     parentFid.unique = UpdateCB->ParentId.Unique;
1510     parentFid.hash   = UpdateCB->ParentId.Hash;
1511
1512     code = cm_GetSCache(&parentFid, NULL, &dscp, userp, &req);
1513     if (code) {
1514         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1515         (*ResultCB)->ResultStatus = status;
1516         if ( status == STATUS_INVALID_HANDLE)
1517             status = STATUS_OBJECT_PATH_INVALID;
1518         osi_Log2(afsd_logp, "RDR_UpdateFileEntry cm_GetSCache ParentFID failure code=0x%x status=0x%x",
1519                   code, status);
1520         return;
1521     }
1522
1523     lock_ObtainWrite(&dscp->rw);
1524     bScpLocked = TRUE;
1525     code = cm_SyncOp(dscp, NULL, userp, &req, 0,
1526                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1527     if (code) {
1528         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1529         (*ResultCB)->ResultStatus = status;
1530         lock_ReleaseWrite(&dscp->rw);
1531         cm_ReleaseSCache(dscp);
1532         osi_Log3(afsd_logp, "RDR_UpdateFileEntry cm_SyncOp failure dscp=0x%p code=0x%x status=0x%x",
1533                  dscp, code, status);
1534         return;
1535     }
1536
1537     cm_SyncOpDone(dscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1538     lock_ReleaseWrite(&dscp->rw);
1539     bScpLocked = FALSE;
1540
1541     if (dscp->fileType != CM_SCACHETYPE_DIRECTORY) {
1542         (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
1543         cm_ReleaseSCache(dscp);
1544         osi_Log1(afsd_logp, "RDR_UpdateFileEntry Not a Directory dscp=0x%p",
1545                  dscp);
1546         return;
1547     }
1548
1549     Fid.cell   = FileId.Cell;
1550     Fid.volume = FileId.Volume;
1551     Fid.vnode  = FileId.Vnode;
1552     Fid.unique = FileId.Unique;
1553     Fid.hash   = FileId.Hash;
1554
1555     code = cm_GetSCache(&Fid, &dscp->fid, &scp, userp, &req);
1556     if (code) {
1557         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1558         (*ResultCB)->ResultStatus = status;
1559         cm_ReleaseSCache(dscp);
1560         osi_Log2(afsd_logp, "RDR_UpdateFileEntry cm_GetSCache object FID failure code=0x%x status=0x%x",
1561                   code, status);
1562         return;
1563     }
1564
1565     lock_ObtainWrite(&scp->rw);
1566     bScpLocked = TRUE;
1567     code = cm_SyncOp(scp, NULL, userp, &req, 0,
1568                       CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_NEEDCALLBACK);
1569     if (code) {
1570         lock_ReleaseWrite(&scp->rw);
1571         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1572         (*ResultCB)->ResultStatus = status;
1573         (*ResultCB)->ResultBufferLength = 0;
1574         cm_ReleaseSCache(dscp);
1575         cm_ReleaseSCache(scp);
1576         osi_Log3(afsd_logp, "RDR_UpdateFileEntry cm_SyncOp failure scp=0x%p code=0x%x status=0x%x",
1577                  scp, code, status);
1578         return;
1579     }
1580     cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1581
1582     if (UpdateCB->ChangeTime.QuadPart) {
1583
1584         if (scp->fileType == CM_SCACHETYPE_FILE) {
1585             /* Do not set length and other attributes at the same time */
1586             if (scp->length.QuadPart != UpdateCB->AllocationSize.QuadPart) {
1587                 osi_Log2(afsd_logp, "RDR_UpdateFileEntry Length Change 0x%x -> 0x%x",
1588                           (afs_uint32)scp->length.QuadPart, (afs_uint32)UpdateCB->AllocationSize.QuadPart);
1589                 setAttr.mask |= CM_ATTRMASK_LENGTH;
1590                 setAttr.length.LowPart = UpdateCB->AllocationSize.LowPart;
1591                 setAttr.length.HighPart = UpdateCB->AllocationSize.HighPart;
1592                 lock_ReleaseWrite(&scp->rw);
1593                 bScpLocked = FALSE;
1594                 code = cm_SetAttr(scp, &setAttr, userp, &req);
1595                 if (code)
1596                     goto on_error;
1597                 setAttr.mask = 0;
1598             }
1599         }
1600
1601         if (!bScpLocked) {
1602             lock_ObtainWrite(&scp->rw);
1603             bScpLocked = TRUE;
1604         }
1605         if ((scp->unixModeBits & 0200) && (UpdateCB->FileAttributes & FILE_ATTRIBUTE_READONLY)) {
1606             setAttr.mask |= CM_ATTRMASK_UNIXMODEBITS;
1607             setAttr.unixModeBits = scp->unixModeBits & ~0222;
1608         } else if (!(scp->unixModeBits & 0200) && !(UpdateCB->FileAttributes & FILE_ATTRIBUTE_READONLY)) {
1609             setAttr.mask |= CM_ATTRMASK_UNIXMODEBITS;
1610             setAttr.unixModeBits = scp->unixModeBits | 0222;
1611         }
1612     }
1613
1614     if (UpdateCB->LastWriteTime.QuadPart) {
1615         ft.dwLowDateTime = UpdateCB->LastWriteTime.LowPart;
1616         ft.dwHighDateTime = UpdateCB->LastWriteTime.HighPart;
1617
1618         cm_UnixTimeFromLargeSearchTime(& clientModTime, &ft);
1619
1620         if (!bScpLocked) {
1621             lock_ObtainWrite(&scp->rw);
1622             bScpLocked = TRUE;
1623         }
1624         if (scp->clientModTime != clientModTime) {
1625             setAttr.mask |= CM_ATTRMASK_CLIENTMODTIME;
1626             setAttr.clientModTime = clientModTime;
1627         }
1628
1629         /* call setattr */
1630         if (setAttr.mask) {
1631             lock_ReleaseWrite(&scp->rw);
1632             bScpLocked = FALSE;
1633             code = cm_SetAttr(scp, &setAttr, userp, &req);
1634         } else
1635             code = 0;
1636     }
1637
1638   on_error:
1639     if (bScpLocked) {
1640         lock_ReleaseWrite(&scp->rw);
1641     }
1642
1643     if (code == 0) {
1644         DWORD dwRemaining = ResultBufferLength - sizeof( AFSFileUpdateResultCB) + sizeof( AFSDirEnumEntry);
1645
1646         pResultCB = (AFSFileUpdateResultCB *)(*ResultCB)->ResultData;
1647
1648         pResultCB->ParentDataVersion.QuadPart = dscp->dataVersion;
1649
1650         code = RDR_PopulateCurrentEntry(&pResultCB->DirEnum, dwRemaining,
1651                                         dscp, scp, userp, &req, NULL, NULL,
1652                                         RDR_POP_FOLLOW_MOUNTPOINTS | RDR_POP_EVALUATE_SYMLINKS,
1653                                         0, NULL, &dwRemaining);
1654         (*ResultCB)->ResultBufferLength = ResultBufferLength - dwRemaining;
1655         osi_Log0(afsd_logp, "RDR_UpdateFileEntry SUCCESS");
1656     } else {
1657         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1658         (*ResultCB)->ResultStatus = status;
1659         (*ResultCB)->ResultBufferLength = 0;
1660         osi_Log2(afsd_logp, "RDR_UpdateFileEntry FAILURE code=0x%x status=0x%x",
1661                   code, status);
1662     }
1663     cm_ReleaseSCache(scp);
1664     cm_ReleaseSCache(dscp);
1665
1666     return;
1667 }
1668
1669 void
1670 RDR_CleanupFileEntry( IN cm_user_t *userp,
1671                       IN AFSFileID FileId,
1672                       IN WCHAR *FileNameCounted,
1673                       IN DWORD FileNameLength,
1674                       IN AFSFileCleanupCB *CleanupCB,
1675                       IN BOOL bWow64,
1676                       IN BOOL bLastHandle,
1677                       IN BOOL bDeleteFile,
1678                       IN BOOL bUnlockFile,
1679                       IN DWORD ResultBufferLength,
1680                       IN OUT AFSCommResult **ResultCB)
1681 {
1682     AFSFileCleanupResultCB *pResultCB = NULL;
1683     size_t size = sizeof(AFSCommResult) + ResultBufferLength - 1;
1684     cm_fid_t            Fid;
1685     cm_fid_t            parentFid;
1686     afs_uint32          code = 0;
1687     afs_uint32          flags = 0;
1688     cm_attr_t           setAttr;
1689     cm_scache_t *       scp = NULL;
1690     cm_scache_t *       dscp = NULL;
1691     cm_req_t            req;
1692     time_t              clientModTime;
1693     FILETIME            ft;
1694     DWORD               status;
1695     BOOL                bScpLocked = FALSE;
1696     BOOL                bDscpLocked = FALSE;
1697     BOOL                bFlushFile = FALSE;
1698     cm_key_t            key;
1699
1700     RDR_InitReq(&req, bWow64);
1701     memset(&setAttr, 0, sizeof(cm_attr_t));
1702
1703     osi_Log4(afsd_logp, "RDR_CleanupFileEntry parent FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
1704               CleanupCB->ParentId.Cell, CleanupCB->ParentId.Volume,
1705               CleanupCB->ParentId.Vnode, CleanupCB->ParentId.Unique);
1706     osi_Log4(afsd_logp, "... object FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
1707               FileId.Cell, FileId.Volume,
1708               FileId.Vnode, FileId.Unique);
1709
1710     *ResultCB = (AFSCommResult *)malloc( size);
1711     if (!(*ResultCB)) {
1712         osi_Log0(afsd_logp, "RDR_CleanupFileEntry Out of Memory");
1713         return;
1714     }
1715
1716     memset( *ResultCB,
1717             '\0',
1718             size);
1719
1720     parentFid.cell   = CleanupCB->ParentId.Cell;
1721     parentFid.volume = CleanupCB->ParentId.Volume;
1722     parentFid.vnode  = CleanupCB->ParentId.Vnode;
1723     parentFid.unique = CleanupCB->ParentId.Unique;
1724     parentFid.hash   = CleanupCB->ParentId.Hash;
1725
1726     if (parentFid.cell) {
1727         code = cm_GetSCache(&parentFid, NULL, &dscp, userp, &req);
1728         if (code) {
1729             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1730             if ( status == STATUS_INVALID_HANDLE)
1731                 status = STATUS_OBJECT_PATH_INVALID;
1732             (*ResultCB)->ResultStatus = status;
1733             osi_Log2(afsd_logp, "RDR_CleanupFileEntry cm_GetSCache ParentFID failure code=0x%x status=0x%x",
1734                      code, status);
1735             return;
1736         }
1737
1738         lock_ObtainWrite(&dscp->rw);
1739         bDscpLocked = TRUE;
1740         code = cm_SyncOp(dscp, NULL, userp, &req, 0,
1741                          CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1742         if (code) {
1743             osi_Log2(afsd_logp, "RDR_CleanupFileEntry cm_SyncOp failure dscp=0x%p code=0x%x",
1744                     dscp, code);
1745             if (code)
1746                 goto on_error;
1747         }
1748
1749         cm_SyncOpDone(dscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1750         lock_ReleaseWrite(&dscp->rw);
1751         bDscpLocked = FALSE;
1752
1753         if (dscp->fileType != CM_SCACHETYPE_DIRECTORY) {
1754             (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
1755             cm_ReleaseSCache(dscp);
1756             osi_Log1(afsd_logp, "RDR_CleanupFileEntry Not a Directory dscp=0x%p",
1757                      dscp);
1758             if (code)
1759                 goto on_error;
1760         }
1761     }
1762
1763     Fid.cell   = FileId.Cell;
1764     Fid.volume = FileId.Volume;
1765     Fid.vnode  = FileId.Vnode;
1766     Fid.unique = FileId.Unique;
1767     Fid.hash   = FileId.Hash;
1768
1769     code = cm_GetSCache(&Fid, dscp ? &dscp->fid : NULL, &scp, userp, &req);
1770     if (code) {
1771         osi_Log1(afsd_logp, "RDR_CleanupFileEntry cm_GetSCache object FID failure code=0x%x",
1772                  code);
1773         goto on_error;
1774     }
1775
1776     lock_ObtainWrite(&scp->rw);
1777     bScpLocked = TRUE;
1778     code = cm_SyncOp(scp, NULL, userp, &req, 0,
1779                       CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_NEEDCALLBACK);
1780     if (code) {
1781         osi_Log2(afsd_logp, "RDR_CleanupFileEntry cm_SyncOp failure scp=0x%p code=0x%x",
1782                  scp, code);
1783         goto on_error;
1784     }
1785     cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1786
1787     if ((bLastHandle || bFlushFile) &&
1788         scp->redirBufCount > 0)
1789     {
1790         LARGE_INTEGER heldExtents;
1791         AFSFileExtentCB extentList[1024];
1792         DWORD extentCount = 0;
1793         cm_buf_t *srbp;
1794         time_t now;
1795
1796         time(&now);
1797         heldExtents.QuadPart = 0;
1798
1799         for ( srbp = redirq_to_cm_buf_t(scp->redirQueueT);
1800               srbp;
1801               srbp = redirq_to_cm_buf_t(osi_QPrev(&srbp->redirq)))
1802         {
1803             extentList[extentCount].Flags = 0;
1804             extentList[extentCount].Length = cm_data.blockSize;
1805             extentList[extentCount].FileOffset.QuadPart = srbp->offset.QuadPart;
1806             extentList[extentCount].CacheOffset.QuadPart = srbp->datap - RDR_extentBaseAddress;
1807             lock_ObtainWrite(&buf_globalLock);
1808             srbp->redirReleaseRequested = now;
1809             lock_ReleaseWrite(&buf_globalLock);
1810             extentCount++;
1811
1812             if (extentCount == 1024) {
1813                 lock_ReleaseWrite(&scp->rw);
1814                 code = RDR_RequestExtentRelease(&scp->fid, heldExtents, extentCount, extentList);
1815                 if (code) {
1816                     if (code == CM_ERROR_RETRY) {
1817                         /*
1818                          * The redirector either is not holding the extents or cannot let them
1819                          * go because they are otherwise in use.  At the moment, do nothing.
1820                          */
1821                     } else
1822                         break;
1823                 }
1824                 extentCount = 0;
1825                 bFlushFile = TRUE;
1826                 lock_ObtainWrite(&scp->rw);
1827             }
1828         }
1829
1830         if (code == 0 && extentCount > 0) {
1831             if (bScpLocked) {
1832                 lock_ReleaseWrite(&scp->rw);
1833                 bScpLocked = FALSE;
1834             }
1835             code = RDR_RequestExtentRelease(&scp->fid, heldExtents, extentCount, extentList);
1836             bFlushFile = TRUE;
1837         }
1838     }
1839
1840     /* No longer in use by redirector */
1841     if (!bScpLocked) {
1842         lock_ObtainWrite(&scp->rw);
1843         bScpLocked = TRUE;
1844     }
1845
1846     if (bLastHandle) {
1847         lock_AssertWrite(&scp->rw);
1848         scp->flags &= ~CM_SCACHEFLAG_RDR_IN_USE;
1849     }
1850
1851     /* If not a readonly object, flush dirty data and update metadata */
1852     if (!(scp->flags & CM_SCACHEFLAG_RO)) {
1853         if ((bLastHandle || bFlushFile) &&
1854              buf_DirtyBuffersExist(&scp->fid)) {
1855             if (!bScpLocked) {
1856                 lock_ObtainWrite(&scp->rw);
1857                 bScpLocked = TRUE;
1858             }
1859             code = cm_SyncOp(scp, NULL, userp, &req, PRSFS_WRITE,
1860                              CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1861             if (code == 0) {
1862                 if (bScpLocked) {
1863                     lock_ReleaseWrite(&scp->rw);
1864                     bScpLocked = FALSE;
1865                 }
1866
1867                 code = cm_FSync(scp, userp, &req, bScpLocked);
1868             }
1869             if (bLastHandle && code)
1870                 goto unlock;
1871         }
1872
1873         if (CleanupCB->ChangeTime.QuadPart) {
1874
1875             if (scp->fileType == CM_SCACHETYPE_FILE) {
1876                 /* Do not set length and other attributes at the same time */
1877                 if (scp->length.QuadPart != CleanupCB->AllocationSize.QuadPart) {
1878                     osi_Log2(afsd_logp, "RDR_CleanupFileEntry Length Change 0x%x -> 0x%x",
1879                              (afs_uint32)scp->length.QuadPart, (afs_uint32)CleanupCB->AllocationSize.QuadPart);
1880                     setAttr.mask |= CM_ATTRMASK_LENGTH;
1881                     setAttr.length.LowPart = CleanupCB->AllocationSize.LowPart;
1882                     setAttr.length.HighPart = CleanupCB->AllocationSize.HighPart;
1883
1884                     if (bScpLocked) {
1885                         lock_ReleaseWrite(&scp->rw);
1886                         bScpLocked = FALSE;
1887                     }
1888                     code = cm_SetAttr(scp, &setAttr, userp, &req);
1889                     if (code)
1890                         goto unlock;
1891                     setAttr.mask = 0;
1892                 }
1893             }
1894
1895             if (!bScpLocked) {
1896                 lock_ObtainWrite(&scp->rw);
1897                 bScpLocked = TRUE;
1898             }
1899
1900             if ((scp->unixModeBits & 0200) && (CleanupCB->FileAttributes & FILE_ATTRIBUTE_READONLY)) {
1901                 setAttr.mask |= CM_ATTRMASK_UNIXMODEBITS;
1902                 setAttr.unixModeBits = scp->unixModeBits & ~0222;
1903             } else if (!(scp->unixModeBits & 0200) && !(CleanupCB->FileAttributes & FILE_ATTRIBUTE_READONLY)) {
1904                 setAttr.mask |= CM_ATTRMASK_UNIXMODEBITS;
1905                 setAttr.unixModeBits = scp->unixModeBits | 0222;
1906             }
1907         }
1908
1909         if (CleanupCB->LastWriteTime.QuadPart) {
1910             ft.dwLowDateTime = CleanupCB->LastWriteTime.LowPart;
1911             ft.dwHighDateTime = CleanupCB->LastWriteTime.HighPart;
1912
1913             cm_UnixTimeFromLargeSearchTime(&clientModTime, &ft);
1914             if (scp->clientModTime != clientModTime) {
1915                 setAttr.mask |= CM_ATTRMASK_CLIENTMODTIME;
1916                 setAttr.clientModTime = clientModTime;
1917             }
1918         }
1919
1920         /* call setattr */
1921         if (setAttr.mask) {
1922             if (bScpLocked) {
1923                 lock_ReleaseWrite(&scp->rw);
1924                 bScpLocked = FALSE;
1925             }
1926             code = cm_SetAttr(scp, &setAttr, userp, &req);
1927         } else
1928             code = 0;
1929     }
1930
1931   unlock:
1932     /* Now drop the lock enforcing the share access */
1933     if ( CleanupCB->FileAccess != AFS_FILE_ACCESS_NOLOCK) {
1934         unsigned int sLockType;
1935         LARGE_INTEGER LOffset, LLength;
1936
1937         if (CleanupCB->FileAccess == AFS_FILE_ACCESS_SHARED)
1938             sLockType = LOCKING_ANDX_SHARED_LOCK;
1939         else
1940             sLockType = 0;
1941
1942         key = cm_GenerateKey(CM_SESSION_IFS, SMB_FID_QLOCK_PID, CleanupCB->Identifier);
1943
1944         LOffset.HighPart = SMB_FID_QLOCK_HIGH;
1945         LOffset.LowPart = SMB_FID_QLOCK_LOW;
1946         LLength.HighPart = 0;
1947         LLength.LowPart = SMB_FID_QLOCK_LENGTH;
1948
1949         if (!bScpLocked) {
1950             lock_ObtainWrite(&scp->rw);
1951             bScpLocked = TRUE;
1952         }
1953
1954         code = cm_SyncOp(scp, NULL, userp, &req, 0, CM_SCACHESYNC_LOCK);
1955         if (code == 0)
1956         {
1957             code = cm_Unlock(scp, sLockType, LOffset, LLength, key, 0, userp, &req);
1958
1959             cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_LOCK);
1960
1961             if (code == CM_ERROR_RANGE_NOT_LOCKED)
1962             {
1963                 osi_Log3(afsd_logp, "RDR_CleanupFileEntry Range Not Locked -- FileAccess 0x%x ProcessId 0x%x HandleId 0x%x",
1964                          CleanupCB->FileAccess, CleanupCB->ProcessId, CleanupCB->Identifier);
1965
1966             }
1967         }
1968     }
1969
1970     if (bUnlockFile || bDeleteFile) {
1971         if (!bScpLocked) {
1972             lock_ObtainWrite(&scp->rw);
1973             bScpLocked = TRUE;
1974         }
1975         code = cm_SyncOp(scp, NULL, userp, &req, 0,
1976                           CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
1977         if (code) {
1978             osi_Log2(afsd_logp, "RDR_CleanupFileEntry cm_SyncOp (2) failure scp=0x%p code=0x%x",
1979                      scp, code);
1980             goto on_error;
1981         }
1982
1983         key = cm_GenerateKey(CM_SESSION_IFS, CleanupCB->ProcessId, 0);
1984
1985         /* the scp is now locked and current */
1986         code = cm_UnlockByKey(scp, key,
1987                               bDeleteFile ? CM_UNLOCK_FLAG_BY_FID : 0,
1988                               userp, &req);
1989
1990         cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
1991
1992         if (code)
1993             goto on_error;
1994     }
1995
1996   on_error:
1997     if (bDscpLocked)
1998         lock_ReleaseWrite(&dscp->rw);
1999     if (bScpLocked)
2000         lock_ReleaseWrite(&scp->rw);
2001
2002     if (code == 0 && dscp && bDeleteFile) {
2003         WCHAR FileName[260];
2004
2005         StringCchCopyNW(FileName, 260, FileNameCounted, FileNameLength / sizeof(WCHAR));
2006
2007         if (scp->fileType == CM_SCACHETYPE_DIRECTORY)
2008             code = cm_RemoveDir(dscp, NULL, FileName, userp, &req);
2009         else
2010             code = cm_Unlink(dscp, NULL, FileName, userp, &req);
2011     }
2012
2013     if (code == 0) {
2014         if ( ResultBufferLength >=  sizeof( AFSFileCleanupResultCB))
2015         {
2016             (*ResultCB)->ResultBufferLength = sizeof( AFSFileCleanupResultCB);
2017             pResultCB = (AFSFileCleanupResultCB *)&(*ResultCB)->ResultData;
2018             pResultCB->ParentDataVersion.QuadPart = dscp ? dscp->dataVersion : 0;
2019         } else {
2020             (*ResultCB)->ResultBufferLength = 0;
2021         }
2022
2023         (*ResultCB)->ResultStatus = 0;
2024         osi_Log0(afsd_logp, "RDR_CleanupFileEntry SUCCESS");
2025     } else {
2026         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2027         (*ResultCB)->ResultStatus = status;
2028         osi_Log2(afsd_logp, "RDR_CleanupFileEntry FAILURE code=0x%x status=0x%x",
2029                   code, status);
2030     }
2031
2032     if (scp)
2033         cm_ReleaseSCache(scp);
2034     if (dscp)
2035         cm_ReleaseSCache(dscp);
2036
2037     return;
2038 }
2039
2040 void
2041 RDR_DeleteFileEntry( IN cm_user_t *userp,
2042                      IN AFSFileID ParentId,
2043                      IN ULONGLONG ProcessId,
2044                      IN WCHAR *FileNameCounted,
2045                      IN DWORD FileNameLength,
2046                      IN BOOL bWow64,
2047                      IN BOOL bCheckOnly,
2048                      IN DWORD ResultBufferLength,
2049                      IN OUT AFSCommResult **ResultCB)
2050 {
2051
2052     AFSFileDeleteResultCB *pResultCB = NULL;
2053     size_t size = sizeof(AFSCommResult) + ResultBufferLength - 1;
2054     cm_fid_t            parentFid;
2055     afs_uint32          code;
2056     cm_scache_t *       dscp = NULL;
2057     cm_scache_t *       scp = NULL;
2058     afs_uint32          flags = 0;
2059     cm_attr_t           setAttr;
2060     cm_req_t            req;
2061     DWORD               status;
2062     wchar_t             FileName[260];
2063     cm_key_t            key;
2064
2065     StringCchCopyNW(FileName, 260, FileNameCounted, FileNameLength / sizeof(WCHAR));
2066
2067     osi_Log4(afsd_logp, "RDR_DeleteFileEntry parent FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
2068               ParentId.Cell,  ParentId.Volume,
2069               ParentId.Vnode, ParentId.Unique);
2070     osi_Log2(afsd_logp, "... name=%S checkOnly=%x",
2071              osi_LogSaveStringW(afsd_logp, FileName),
2072              bCheckOnly);
2073
2074     RDR_InitReq(&req, bWow64);
2075     memset(&setAttr, 0, sizeof(cm_attr_t));
2076
2077     *ResultCB = (AFSCommResult *)malloc( size);
2078     if (!(*ResultCB)) {
2079         osi_Log0(afsd_logp, "RDR_DeleteFileEntry out of memory");
2080         return;
2081     }
2082
2083     memset( *ResultCB,
2084             '\0',
2085             size);
2086
2087     parentFid.cell   = ParentId.Cell;
2088     parentFid.volume = ParentId.Volume;
2089     parentFid.vnode  = ParentId.Vnode;
2090     parentFid.unique = ParentId.Unique;
2091     parentFid.hash   = ParentId.Hash;
2092
2093     code = cm_GetSCache(&parentFid, NULL, &dscp, userp, &req);
2094     if (code) {
2095         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2096         if ( status == STATUS_INVALID_HANDLE)
2097             status = STATUS_OBJECT_PATH_INVALID;
2098         (*ResultCB)->ResultStatus = status;
2099         osi_Log2(afsd_logp, "RDR_DeleteFileEntry cm_GetSCache ParentFID failure code=0x%x status=0x%x",
2100                   code, status);
2101         return;
2102     }
2103
2104     lock_ObtainWrite(&dscp->rw);
2105
2106     code = cm_SyncOp(dscp, NULL, userp, &req, 0,
2107                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2108     if (code) {
2109         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2110         (*ResultCB)->ResultStatus = status;
2111         (*ResultCB)->ResultBufferLength = 0;
2112         lock_ReleaseWrite(&dscp->rw);
2113         cm_ReleaseSCache(dscp);
2114         osi_Log3(afsd_logp, "RDR_DeleteFileEntry cm_SyncOp failure dscp=0x%p code=0x%x status=0x%x",
2115                  dscp, code, status);
2116         return;
2117     }
2118
2119     cm_SyncOpDone(dscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2120     lock_ReleaseWrite(&dscp->rw);
2121
2122     if (dscp->fileType != CM_SCACHETYPE_DIRECTORY) {
2123         (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
2124         cm_ReleaseSCache(dscp);
2125         osi_Log1(afsd_logp, "RDR_DeleteFileEntry Not a Directory dscp=0x%p",
2126                  dscp);
2127         return;
2128     }
2129
2130     code = cm_Lookup(dscp, FileName, 0, userp, &req, &scp);
2131     if (code) {
2132         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2133         (*ResultCB)->ResultStatus = status;
2134         (*ResultCB)->ResultBufferLength = 0;
2135         cm_ReleaseSCache(dscp);
2136         osi_Log2(afsd_logp, "RDR_DeleteFileEntry cm_Lookup failure code=0x%x status=0x%x",
2137                  code, status);
2138         return;
2139     }
2140
2141     lock_ObtainWrite(&scp->rw);
2142     code = cm_SyncOp(scp, NULL, userp, &req, PRSFS_DELETE,
2143                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2144     if (code) {
2145         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2146         (*ResultCB)->ResultStatus = status;
2147         (*ResultCB)->ResultBufferLength = 0;
2148         lock_ReleaseWrite(&scp->rw);
2149         cm_ReleaseSCache(scp);
2150         cm_ReleaseSCache(dscp);
2151         osi_Log3(afsd_logp, "RDR_DeleteFileEntry cm_SyncOp failure scp=0x%p code=0x%x status=0x%x",
2152                  scp, code, status);
2153         return;
2154     }
2155
2156     if (!bCheckOnly) {
2157         /* Drop all locks since the file is being deleted */
2158         code = cm_SyncOp(scp, NULL, userp, &req, 0,
2159                          CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
2160         if (code) {
2161             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2162             (*ResultCB)->ResultStatus = status;
2163             (*ResultCB)->ResultBufferLength = 0;
2164             lock_ReleaseWrite(&scp->rw);
2165             cm_ReleaseSCache(scp);
2166             cm_ReleaseSCache(dscp);
2167             osi_Log3(afsd_logp, "RDR_DeleteFileEntry cm_SyncOp Lock failure scp=0x%p code=0x%x status=0x%x",
2168                      scp, code, status);
2169         }
2170
2171         /* the scp is now locked and current */
2172         key = cm_GenerateKey(CM_SESSION_IFS, ProcessId, 0);
2173
2174         code = cm_UnlockByKey(scp, key,
2175                               CM_UNLOCK_FLAG_BY_FID,
2176                               userp, &req);
2177
2178         cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
2179         lock_ReleaseWrite(&scp->rw);
2180
2181         if (scp->fileType == CM_SCACHETYPE_DIRECTORY)
2182             code = cm_RemoveDir(dscp, NULL, FileName, userp, &req);
2183         else
2184             code = cm_Unlink(dscp, NULL, FileName, userp, &req);
2185     } else {
2186         lock_ReleaseWrite(&scp->rw);
2187     }
2188
2189     if (code == 0) {
2190         (*ResultCB)->ResultStatus = 0;  // We will be able to fit all the data in here
2191
2192         (*ResultCB)->ResultBufferLength = sizeof( AFSFileDeleteResultCB);
2193
2194         pResultCB = (AFSFileDeleteResultCB *)(*ResultCB)->ResultData;
2195
2196         pResultCB->ParentDataVersion.QuadPart = dscp->dataVersion;
2197         osi_Log0(afsd_logp, "RDR_DeleteFileEntry SUCCESS");
2198     } else {
2199         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2200         (*ResultCB)->ResultStatus = status;
2201         (*ResultCB)->ResultBufferLength = 0;
2202         osi_Log2(afsd_logp, "RDR_DeleteFileEntry FAILURE code=0x%x status=0x%x",
2203                   code, status);
2204     }
2205
2206     cm_ReleaseSCache(dscp);
2207     cm_ReleaseSCache(scp);
2208
2209     return;
2210 }
2211
2212 void
2213 RDR_RenameFileEntry( IN cm_user_t *userp,
2214                      IN WCHAR    *SourceFileNameCounted,
2215                      IN DWORD     SourceFileNameLength,
2216                      IN AFSFileID SourceFileId,
2217                      IN AFSFileRenameCB *pRenameCB,
2218                      IN BOOL bWow64,
2219                      IN DWORD ResultBufferLength,
2220                      IN OUT AFSCommResult **ResultCB)
2221 {
2222
2223     AFSFileRenameResultCB *pResultCB = NULL;
2224     size_t size = sizeof(AFSCommResult) + ResultBufferLength - 1;
2225     AFSFileID              SourceParentId   = pRenameCB->SourceParentId;
2226     AFSFileID              TargetParentId   = pRenameCB->TargetParentId;
2227     WCHAR *                TargetFileNameCounted = pRenameCB->TargetName;
2228     DWORD                  TargetFileNameLength = pRenameCB->TargetNameLength;
2229     cm_fid_t               SourceParentFid;
2230     cm_fid_t               TargetParentFid;
2231     cm_fid_t               SourceFid;
2232     cm_fid_t               OrigTargetFid = {0,0,0,0,0};
2233     cm_fid_t               TargetFid;
2234     cm_scache_t *          oldDscp;
2235     cm_scache_t *          newDscp;
2236     cm_dirOp_t dirop;
2237     wchar_t                shortName[13];
2238     wchar_t                SourceFileName[260];
2239     wchar_t                TargetFileName[260];
2240     cm_dirFid_t            dfid;
2241     cm_req_t               req;
2242     afs_uint32             code;
2243     DWORD                  status;
2244
2245     RDR_InitReq(&req, bWow64);
2246
2247     StringCchCopyNW(SourceFileName, 260, SourceFileNameCounted, SourceFileNameLength / sizeof(WCHAR));
2248     StringCchCopyNW(TargetFileName, 260, TargetFileNameCounted, TargetFileNameLength / sizeof(WCHAR));
2249
2250     osi_Log4(afsd_logp, "RDR_RenameFileEntry Source Parent FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
2251               SourceParentId.Cell,  SourceParentId.Volume,
2252               SourceParentId.Vnode, SourceParentId.Unique);
2253     osi_Log2(afsd_logp, "... Source Name=%S Length %u", osi_LogSaveStringW(afsd_logp, SourceFileName), SourceFileNameLength);
2254     osi_Log4(afsd_logp, "... Target Parent FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
2255               TargetParentId.Cell,  TargetParentId.Volume,
2256               TargetParentId.Vnode, TargetParentId.Unique);
2257     osi_Log2(afsd_logp, "... Target Name=%S Length %u", osi_LogSaveStringW(afsd_logp, TargetFileName), TargetFileNameLength);
2258
2259     *ResultCB = (AFSCommResult *)malloc( size);
2260     if (!(*ResultCB))
2261         return;
2262
2263     memset( *ResultCB,
2264             '\0',
2265             size);
2266
2267     pResultCB = (AFSFileRenameResultCB *)(*ResultCB)->ResultData;
2268
2269     if (SourceFileNameLength == 0 || TargetFileNameLength == 0)
2270     {
2271         osi_Log2(afsd_logp, "RDR_RenameFileEntry Invalid Name Length: src %u target %u",
2272                  SourceFileNameLength, TargetFileNameLength);
2273         (*ResultCB)->ResultStatus = STATUS_INVALID_PARAMETER;
2274         return;
2275     }
2276
2277     SourceParentFid.cell   = SourceParentId.Cell;
2278     SourceParentFid.volume = SourceParentId.Volume;
2279     SourceParentFid.vnode  = SourceParentId.Vnode;
2280     SourceParentFid.unique = SourceParentId.Unique;
2281     SourceParentFid.hash   = SourceParentId.Hash;
2282
2283     TargetParentFid.cell   = TargetParentId.Cell;
2284     TargetParentFid.volume = TargetParentId.Volume;
2285     TargetParentFid.vnode  = TargetParentId.Vnode;
2286     TargetParentFid.unique = TargetParentId.Unique;
2287     TargetParentFid.hash   = TargetParentId.Hash;
2288
2289     code = cm_GetSCache(&SourceParentFid, NULL, &oldDscp, userp, &req);
2290     if (code) {
2291         osi_Log1(afsd_logp, "RDR_RenameFileEntry cm_GetSCache source parent failed code 0x%x", code);
2292         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2293         if ( status == STATUS_INVALID_HANDLE)
2294             status = STATUS_OBJECT_PATH_INVALID;
2295         (*ResultCB)->ResultStatus = status;
2296         return;
2297     }
2298
2299     lock_ObtainWrite(&oldDscp->rw);
2300     code = cm_SyncOp(oldDscp, NULL, userp, &req, 0,
2301                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2302     if (code) {
2303         osi_Log2(afsd_logp, "RDR_RenameFileEntry cm_SyncOp oldDscp 0x%p failed code 0x%x", oldDscp, code);
2304         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2305         if ( status == STATUS_INVALID_HANDLE)
2306             status = STATUS_OBJECT_PATH_INVALID;
2307         (*ResultCB)->ResultStatus = status;
2308         lock_ReleaseWrite(&oldDscp->rw);
2309         cm_ReleaseSCache(oldDscp);
2310         return;
2311     }
2312
2313     cm_SyncOpDone(oldDscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2314     lock_ReleaseWrite(&oldDscp->rw);
2315
2316
2317     if (oldDscp->fileType != CM_SCACHETYPE_DIRECTORY) {
2318         osi_Log1(afsd_logp, "RDR_RenameFileEntry oldDscp 0x%p not a directory", oldDscp);
2319         (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
2320         cm_ReleaseSCache(oldDscp);
2321         return;
2322     }
2323
2324     code = cm_GetSCache(&TargetParentFid, NULL, &newDscp, userp, &req);
2325     if (code) {
2326         osi_Log1(afsd_logp, "RDR_RenameFileEntry cm_GetSCache target parent failed code 0x%x", code);
2327         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2328         (*ResultCB)->ResultStatus = status;
2329         cm_ReleaseSCache(oldDscp);
2330         return;
2331     }
2332
2333     lock_ObtainWrite(&newDscp->rw);
2334     code = cm_SyncOp(newDscp, NULL, userp, &req, 0,
2335                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2336     if (code) {
2337         osi_Log2(afsd_logp, "RDR_RenameFileEntry cm_SyncOp newDscp 0x%p failed code 0x%x", newDscp, code);
2338         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2339         (*ResultCB)->ResultStatus = status;
2340         lock_ReleaseWrite(&newDscp->rw);
2341         cm_ReleaseSCache(oldDscp);
2342         cm_ReleaseSCache(newDscp);
2343         return;
2344     }
2345
2346     cm_SyncOpDone(newDscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2347     lock_ReleaseWrite(&newDscp->rw);
2348
2349
2350     if (newDscp->fileType != CM_SCACHETYPE_DIRECTORY) {
2351         osi_Log1(afsd_logp, "RDR_RenameFileEntry newDscp 0x%p not a directory", newDscp);
2352         (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
2353         cm_ReleaseSCache(oldDscp);
2354         cm_ReleaseSCache(newDscp);
2355         return;
2356     }
2357
2358     /* Obtain the original FID just for debugging purposes */
2359     code = cm_BeginDirOp( oldDscp, userp, &req, CM_DIRLOCK_READ, CM_DIROP_FLAG_NONE, &dirop);
2360     if (code == 0) {
2361         code = cm_BPlusDirLookup(&dirop, SourceFileName, &SourceFid);
2362         code = cm_BPlusDirLookup(&dirop, TargetFileName, &OrigTargetFid);
2363         cm_EndDirOp(&dirop);
2364     }
2365
2366     code = cm_Rename( oldDscp, NULL, SourceFileName,
2367                       newDscp, TargetFileName, userp, &req);
2368     if (code == 0) {
2369         cm_scache_t *scp = 0;
2370         DWORD dwRemaining;
2371
2372         (*ResultCB)->ResultBufferLength = ResultBufferLength;
2373         dwRemaining = ResultBufferLength - sizeof( AFSFileRenameResultCB) + sizeof( AFSDirEnumEntry);
2374         (*ResultCB)->ResultStatus = 0;
2375
2376         pResultCB->SourceParentDataVersion.QuadPart = oldDscp->dataVersion;
2377         pResultCB->TargetParentDataVersion.QuadPart = newDscp->dataVersion;
2378
2379         osi_Log2(afsd_logp, "RDR_RenameFileEntry cm_Rename oldDscp 0x%p newDscp 0x%p SUCCESS",
2380                  oldDscp, newDscp);
2381
2382         code = cm_BeginDirOp( newDscp, userp, &req, CM_DIRLOCK_READ, CM_DIROP_FLAG_NONE, &dirop);
2383         if (code == 0) {
2384             code = cm_BPlusDirLookup(&dirop, TargetFileName, &TargetFid);
2385             cm_EndDirOp(&dirop);
2386         }
2387
2388         if (code != 0) {
2389             osi_Log1(afsd_logp, "RDR_RenameFileEntry cm_BPlusDirLookup failed code 0x%x",
2390                      code);
2391             (*ResultCB)->ResultStatus = STATUS_OBJECT_PATH_INVALID;
2392             cm_ReleaseSCache(oldDscp);
2393             cm_ReleaseSCache(newDscp);
2394             return;
2395         }
2396
2397         osi_Log4(afsd_logp, "RDR_RenameFileEntry Target FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
2398                   TargetFid.cell,  TargetFid.volume,
2399                   TargetFid.vnode, TargetFid.unique);
2400
2401         code = cm_GetSCache(&TargetFid, &newDscp->fid, &scp, userp, &req);
2402         if (code) {
2403             osi_Log1(afsd_logp, "RDR_RenameFileEntry cm_GetSCache target failed code 0x%x", code);
2404             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2405             (*ResultCB)->ResultStatus = status;
2406             cm_ReleaseSCache(oldDscp);
2407             cm_ReleaseSCache(newDscp);
2408             return;
2409         }
2410
2411         /* Make sure the source vnode is current */
2412         lock_ObtainWrite(&scp->rw);
2413         code = cm_SyncOp(scp, NULL, userp, &req, 0,
2414                           CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2415         if (code) {
2416             osi_Log2(afsd_logp, "RDR_RenameFileEntry cm_SyncOp scp 0x%p failed code 0x%x", scp, code);
2417             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2418             (*ResultCB)->ResultStatus = status;
2419             lock_ReleaseWrite(&scp->rw);
2420             cm_ReleaseSCache(oldDscp);
2421             cm_ReleaseSCache(newDscp);
2422             cm_ReleaseSCache(scp);
2423             return;
2424         }
2425
2426         cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2427         lock_ReleaseWrite(&scp->rw);
2428
2429         if (cm_shortNames) {
2430             dfid.vnode = htonl(scp->fid.vnode);
2431             dfid.unique = htonl(scp->fid.unique);
2432
2433             if (!cm_Is8Dot3(TargetFileName))
2434                 cm_Gen8Dot3NameIntW(TargetFileName, &dfid, shortName, NULL);
2435             else
2436                 shortName[0] = '\0';
2437         }
2438
2439         RDR_PopulateCurrentEntry(&pResultCB->DirEnum, dwRemaining,
2440                                  newDscp, scp, userp, &req, TargetFileName, shortName,
2441                                  RDR_POP_FOLLOW_MOUNTPOINTS | RDR_POP_EVALUATE_SYMLINKS,
2442                                  0, NULL, &dwRemaining);
2443         (*ResultCB)->ResultBufferLength = ResultBufferLength - dwRemaining;
2444         cm_ReleaseSCache(scp);
2445
2446         osi_Log0(afsd_logp, "RDR_RenameFileEntry SUCCESS");
2447     } else {
2448         osi_Log3(afsd_logp, "RDR_RenameFileEntry cm_Rename oldDscp 0x%p newDscp 0x%p failed code 0x%x",
2449                  oldDscp, newDscp, code);
2450         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2451         (*ResultCB)->ResultStatus = status;
2452         (*ResultCB)->ResultBufferLength = 0;
2453     }
2454
2455     cm_ReleaseSCache(oldDscp);
2456     cm_ReleaseSCache(newDscp);
2457     return;
2458 }
2459
2460 /*
2461  * AFS does not support cross-directory hard links but RDR_HardLinkFileEntry
2462  * is written as if AFS does.  The check for cross-directory links is
2463  * implemented in cm_Link().
2464  *
2465  * Windows supports optional ReplaceIfExists functionality.  The AFS file
2466  * server does not.  If the target name already exists and bReplaceIfExists
2467  * is true, check to see if the user has insert permission before calling
2468  * cm_Unlink() on the existing object.  If the user does not have insert
2469  * permission return STATUS_ACCESS_DENIED.
2470  */
2471
2472 void
2473 RDR_HardLinkFileEntry( IN cm_user_t *userp,
2474                        IN WCHAR    *SourceFileNameCounted,
2475                        IN DWORD     SourceFileNameLength,
2476                        IN AFSFileID SourceFileId,
2477                        IN AFSFileHardLinkCB *pHardLinkCB,
2478                        IN BOOL bWow64,
2479                        IN DWORD ResultBufferLength,
2480                        IN OUT AFSCommResult **ResultCB)
2481 {
2482
2483     AFSFileHardLinkResultCB *pResultCB = NULL;
2484     size_t size = sizeof(AFSCommResult) + ResultBufferLength - 1;
2485     AFSFileID              SourceParentId   = pHardLinkCB->SourceParentId;
2486     AFSFileID              TargetParentId   = pHardLinkCB->TargetParentId;
2487     WCHAR *                TargetFileNameCounted = pHardLinkCB->TargetName;
2488     DWORD                  TargetFileNameLength = pHardLinkCB->TargetNameLength;
2489     cm_fid_t               SourceParentFid;
2490     cm_fid_t               TargetParentFid;
2491     cm_fid_t               SourceFid;
2492     cm_fid_t               OrigTargetFid = {0,0,0,0,0};
2493     cm_scache_t *          srcDscp = NULL;
2494     cm_scache_t *          targetDscp = NULL;
2495     cm_scache_t *          srcScp = NULL;
2496     cm_dirOp_t             dirop;
2497     wchar_t                shortName[13];
2498     wchar_t                SourceFileName[260];
2499     wchar_t                TargetFileName[260];
2500     cm_dirFid_t            dfid;
2501     cm_req_t               req;
2502     afs_uint32             code;
2503     DWORD                  status;
2504
2505     RDR_InitReq(&req, bWow64);
2506
2507     StringCchCopyNW(SourceFileName, 260, SourceFileNameCounted, SourceFileNameLength / sizeof(WCHAR));
2508     StringCchCopyNW(TargetFileName, 260, TargetFileNameCounted, TargetFileNameLength / sizeof(WCHAR));
2509
2510     osi_Log4(afsd_logp, "RDR_HardLinkFileEntry Source Parent FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
2511               SourceParentId.Cell,  SourceParentId.Volume,
2512               SourceParentId.Vnode, SourceParentId.Unique);
2513     osi_Log2(afsd_logp, "... Source Name=%S Length %u", osi_LogSaveStringW(afsd_logp, SourceFileName), SourceFileNameLength);
2514     osi_Log4(afsd_logp, "... Target Parent FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
2515               TargetParentId.Cell,  TargetParentId.Volume,
2516               TargetParentId.Vnode, TargetParentId.Unique);
2517     osi_Log2(afsd_logp, "... Target Name=%S Length %u", osi_LogSaveStringW(afsd_logp, TargetFileName), TargetFileNameLength);
2518
2519     *ResultCB = (AFSCommResult *)malloc( size);
2520     if (!(*ResultCB))
2521         return;
2522
2523     memset( *ResultCB,
2524             '\0',
2525             size);
2526
2527     pResultCB = (AFSFileHardLinkResultCB *)(*ResultCB)->ResultData;
2528
2529     if (SourceFileNameLength == 0 || TargetFileNameLength == 0)
2530     {
2531         osi_Log2(afsd_logp, "RDR_HardLinkFileEntry Invalid Name Length: src %u target %u",
2532                  SourceFileNameLength, TargetFileNameLength);
2533         (*ResultCB)->ResultStatus = STATUS_INVALID_PARAMETER;
2534         return;
2535     }
2536
2537     SourceFid.cell   = SourceFileId.Cell;
2538     SourceFid.volume = SourceFileId.Volume;
2539     SourceFid.vnode  = SourceFileId.Vnode;
2540     SourceFid.unique = SourceFileId.Unique;
2541     SourceFid.hash   = SourceFileId.Hash;
2542
2543     SourceParentFid.cell   = SourceParentId.Cell;
2544     SourceParentFid.volume = SourceParentId.Volume;
2545     SourceParentFid.vnode  = SourceParentId.Vnode;
2546     SourceParentFid.unique = SourceParentId.Unique;
2547     SourceParentFid.hash   = SourceParentId.Hash;
2548
2549     TargetParentFid.cell   = TargetParentId.Cell;
2550     TargetParentFid.volume = TargetParentId.Volume;
2551     TargetParentFid.vnode  = TargetParentId.Vnode;
2552     TargetParentFid.unique = TargetParentId.Unique;
2553     TargetParentFid.hash   = TargetParentId.Hash;
2554
2555     code = cm_GetSCache(&SourceFid, NULL, &srcScp, userp, &req);
2556     if (code) {
2557         osi_Log1(afsd_logp, "RDR_HardLinkFileEntry cm_GetSCache source failed code 0x%x", code);
2558         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2559         (*ResultCB)->ResultStatus = status;
2560         return;
2561     }
2562
2563     code = cm_GetSCache(&TargetParentFid, NULL, &targetDscp, userp, &req);
2564     if (code) {
2565         osi_Log1(afsd_logp, "RDR_HardLinkFileEntry cm_GetSCache target parent failed code 0x%x", code);
2566         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2567         (*ResultCB)->ResultStatus = status;
2568         cm_ReleaseSCache(srcScp);
2569         return;
2570     }
2571
2572     lock_ObtainWrite(&targetDscp->rw);
2573     code = cm_SyncOp(targetDscp, NULL, userp, &req, PRSFS_INSERT,
2574                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2575     if (code) {
2576         osi_Log2(afsd_logp, "RDR_HardLinkFileEntry cm_SyncOp targetDscp 0x%p failed code 0x%x", targetDscp, code);
2577         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2578         (*ResultCB)->ResultStatus = status;
2579         lock_ReleaseWrite(&targetDscp->rw);
2580         cm_ReleaseSCache(srcScp);
2581         cm_ReleaseSCache(targetDscp);
2582         return;
2583     }
2584
2585     cm_SyncOpDone(targetDscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2586     lock_ReleaseWrite(&targetDscp->rw);
2587
2588     if (targetDscp->fileType != CM_SCACHETYPE_DIRECTORY) {
2589         osi_Log1(afsd_logp, "RDR_HardLinkFileEntry targetDscp 0x%p not a directory", targetDscp);
2590         (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
2591         cm_ReleaseSCache(srcScp);
2592         cm_ReleaseSCache(targetDscp);
2593         return;
2594     }
2595
2596     if ( cm_FidCmp(&SourceParentFid, &TargetParentFid) ) {
2597         code = cm_GetSCache(&SourceParentFid, NULL, &srcDscp, userp, &req);
2598         if (code) {
2599             osi_Log1(afsd_logp, "RDR_HardLinkFileEntry cm_GetSCache source parent failed code 0x%x", code);
2600             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2601             if ( status == STATUS_INVALID_HANDLE)
2602                 status = STATUS_OBJECT_PATH_INVALID;
2603             (*ResultCB)->ResultStatus = status;
2604             cm_ReleaseSCache(srcScp);
2605             cm_ReleaseSCache(targetDscp);
2606             return;
2607         }
2608
2609         lock_ObtainWrite(&srcDscp->rw);
2610         code = cm_SyncOp(srcDscp, NULL, userp, &req, 0,
2611                           CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2612         if (code) {
2613             osi_Log2(afsd_logp, "RDR_HardLinkFileEntry cm_SyncOp srcDscp 0x%p failed code 0x%x", srcDscp, code);
2614             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2615             if ( status == STATUS_INVALID_HANDLE)
2616                 status = STATUS_OBJECT_PATH_INVALID;
2617             (*ResultCB)->ResultStatus = status;
2618             lock_ReleaseWrite(&srcDscp->rw);
2619             if (srcDscp != targetDscp)
2620                 cm_ReleaseSCache(srcDscp);
2621             cm_ReleaseSCache(targetDscp);
2622             cm_ReleaseSCache(srcScp);
2623             return;
2624         }
2625
2626         cm_SyncOpDone(srcDscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2627         lock_ReleaseWrite(&srcDscp->rw);
2628
2629         if (srcDscp->fileType != CM_SCACHETYPE_DIRECTORY) {
2630             osi_Log1(afsd_logp, "RDR_HardLinkFileEntry srcDscp 0x%p not a directory", srcDscp);
2631             (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
2632             if (srcDscp != targetDscp)
2633                 cm_ReleaseSCache(srcDscp);
2634             cm_ReleaseSCache(targetDscp);
2635             cm_ReleaseSCache(srcScp);
2636             return;
2637         }
2638     } else {
2639         srcDscp = targetDscp;
2640     }
2641
2642     /* Obtain the target FID if it exists */
2643     code = cm_BeginDirOp( targetDscp, userp, &req, CM_DIRLOCK_READ, CM_DIROP_FLAG_NONE, &dirop);
2644     if (code == 0) {
2645         code = cm_BPlusDirLookup(&dirop, TargetFileName, &OrigTargetFid);
2646         cm_EndDirOp(&dirop);
2647     }
2648
2649     if (OrigTargetFid.vnode) {
2650
2651         /* An object exists with the target name */
2652         if (!pHardLinkCB->bReplaceIfExists) {
2653             osi_Log0(afsd_logp, "RDR_HardLinkFileEntry target name collision and !ReplaceIfExists");
2654             (*ResultCB)->ResultStatus = STATUS_OBJECT_NAME_COLLISION;
2655             if (srcDscp != targetDscp)
2656                 cm_ReleaseSCache(srcDscp);
2657             cm_ReleaseSCache(targetDscp);
2658             cm_ReleaseSCache(srcScp);
2659             return;
2660         }
2661
2662         lock_ObtainWrite(&targetDscp->rw);
2663         code = cm_SyncOp(targetDscp, NULL, userp, &req, PRSFS_INSERT | PRSFS_DELETE,
2664                           CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2665         if (code) {
2666             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2667             (*ResultCB)->ResultStatus = status;
2668             lock_ReleaseWrite(&srcDscp->rw);
2669             if (srcDscp != targetDscp)
2670                 cm_ReleaseSCache(srcDscp);
2671             cm_ReleaseSCache(targetDscp);
2672             cm_ReleaseSCache(srcScp);
2673             return;
2674         }
2675         cm_SyncOpDone(targetDscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2676         lock_ReleaseWrite(&targetDscp->rw);
2677
2678         code = cm_Unlink(targetDscp, NULL, TargetFileName, userp, &req);
2679         if (code) {
2680             osi_Log1(afsd_logp, "RDR_HardLinkFileEntry cm_Unlink code 0x%x", code);
2681             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2682             (*ResultCB)->ResultStatus = status;
2683             lock_ReleaseWrite(&srcDscp->rw);
2684             if (srcDscp != targetDscp)
2685                 cm_ReleaseSCache(srcDscp);
2686             cm_ReleaseSCache(targetDscp);
2687             cm_ReleaseSCache(srcScp);
2688             return;
2689         }
2690     }
2691
2692     code = cm_Link( targetDscp, TargetFileName, srcScp, 0, userp, &req);
2693     if (code == 0) {
2694         cm_fid_t TargetFid;
2695         cm_scache_t *targetScp = 0;
2696         DWORD dwRemaining;
2697
2698         (*ResultCB)->ResultBufferLength = ResultBufferLength;
2699         dwRemaining = ResultBufferLength - sizeof( AFSFileHardLinkResultCB) + sizeof( AFSDirEnumEntry);
2700         (*ResultCB)->ResultStatus = 0;
2701
2702         pResultCB->SourceParentDataVersion.QuadPart = srcDscp->dataVersion;
2703         pResultCB->TargetParentDataVersion.QuadPart = targetDscp->dataVersion;
2704
2705         osi_Log2(afsd_logp, "RDR_HardLinkFileEntry cm_Link srcDscp 0x%p targetDscp 0x%p SUCCESS",
2706                  srcDscp, targetDscp);
2707
2708         code = cm_BeginDirOp( targetDscp, userp, &req, CM_DIRLOCK_READ, CM_DIROP_FLAG_NONE, &dirop);
2709         if (code == 0) {
2710             code = cm_BPlusDirLookup(&dirop, TargetFileName, &TargetFid);
2711             cm_EndDirOp(&dirop);
2712         }
2713
2714         if (code != 0) {
2715             osi_Log1(afsd_logp, "RDR_HardLinkFileEntry cm_BPlusDirLookup failed code 0x%x",
2716                      code);
2717             (*ResultCB)->ResultStatus = STATUS_OBJECT_PATH_INVALID;
2718             if (srcDscp != targetDscp)
2719                 cm_ReleaseSCache(srcDscp);
2720             cm_ReleaseSCache(srcScp);
2721             cm_ReleaseSCache(targetDscp);
2722             return;
2723         }
2724
2725         osi_Log4(afsd_logp, "RDR_HardLinkFileEntry Target FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
2726                   TargetFid.cell,  TargetFid.volume,
2727                   TargetFid.vnode, TargetFid.unique);
2728
2729         code = cm_GetSCache(&TargetFid, &targetDscp->fid, &targetScp, userp, &req);
2730         if (code) {
2731             osi_Log1(afsd_logp, "RDR_HardLinkFileEntry cm_GetSCache target failed code 0x%x", code);
2732             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2733             (*ResultCB)->ResultStatus = status;
2734             if (srcDscp != targetDscp)
2735                 cm_ReleaseSCache(srcDscp);
2736             cm_ReleaseSCache(srcScp);
2737             cm_ReleaseSCache(targetDscp);
2738             return;
2739         }
2740
2741         /* Make sure the source vnode is current */
2742         lock_ObtainWrite(&targetScp->rw);
2743         code = cm_SyncOp(targetScp, NULL, userp, &req, 0,
2744                          CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2745         if (code) {
2746             osi_Log2(afsd_logp, "RDR_HardLinkFileEntry cm_SyncOp scp 0x%p failed code 0x%x",
2747                      targetScp, code);
2748             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2749             (*ResultCB)->ResultStatus = status;
2750             lock_ReleaseWrite(&targetScp->rw);
2751             cm_ReleaseSCache(targetScp);
2752             if (srcDscp != targetDscp)
2753                 cm_ReleaseSCache(srcDscp);
2754             cm_ReleaseSCache(srcScp);
2755             cm_ReleaseSCache(targetDscp);
2756             return;
2757         }
2758
2759         cm_SyncOpDone(targetScp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2760         lock_ReleaseWrite(&targetScp->rw);
2761
2762         if (cm_shortNames) {
2763             dfid.vnode = htonl(targetScp->fid.vnode);
2764             dfid.unique = htonl(targetScp->fid.unique);
2765
2766             if (!cm_Is8Dot3(TargetFileName))
2767                 cm_Gen8Dot3NameIntW(TargetFileName, &dfid, shortName, NULL);
2768             else
2769                 shortName[0] = '\0';
2770         }
2771
2772         RDR_PopulateCurrentEntry(&pResultCB->DirEnum, dwRemaining,
2773                                  targetDscp, targetScp, userp, &req, TargetFileName, shortName,
2774                                  RDR_POP_FOLLOW_MOUNTPOINTS | RDR_POP_EVALUATE_SYMLINKS,
2775                                  0, NULL, &dwRemaining);
2776         (*ResultCB)->ResultBufferLength = ResultBufferLength - dwRemaining;
2777         cm_ReleaseSCache(targetScp);
2778
2779         osi_Log0(afsd_logp, "RDR_HardLinkFileEntry SUCCESS");
2780     } else {
2781         osi_Log3(afsd_logp, "RDR_HardLinkFileEntry cm_Link srcDscp 0x%p targetDscp 0x%p failed code 0x%x",
2782                  srcDscp, targetDscp, code);
2783         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2784         (*ResultCB)->ResultStatus = status;
2785         (*ResultCB)->ResultBufferLength = 0;
2786     }
2787
2788     cm_ReleaseSCache(srcScp);
2789     if (srcDscp != targetDscp)
2790         cm_ReleaseSCache(srcDscp);
2791     cm_ReleaseSCache(targetDscp);
2792     return;
2793 }
2794
2795 void
2796 RDR_FlushFileEntry( IN cm_user_t *userp,
2797                     IN AFSFileID FileId,
2798                     IN BOOL bWow64,
2799                     IN DWORD ResultBufferLength,
2800                     IN OUT AFSCommResult **ResultCB)
2801 {
2802     cm_scache_t *scp = NULL;
2803     cm_fid_t    Fid;
2804     afs_uint32  code;
2805     cm_req_t    req;
2806     DWORD       status;
2807 #ifdef ODS_DEBUG
2808     char        dbgstr[1024];
2809 #endif
2810
2811     RDR_InitReq(&req, bWow64);
2812
2813     osi_Log4(afsd_logp, "RDR_FlushFileEntry File FID cell 0x%x vol 0x%x vno 0x%x uniq 0x%x",
2814               FileId.Cell, FileId.Volume,
2815               FileId.Vnode, FileId.Unique);
2816 #ifdef ODS_DEBUG
2817     snprintf( dbgstr, 1024,
2818               "RDR_FlushFileEntry File FID cell 0x%x vol 0x%x vno 0x%x uniq 0x%x\n",
2819               FileId.Cell, FileId.Volume,
2820               FileId.Vnode, FileId.Unique);
2821     OutputDebugStringA( dbgstr);
2822 #endif
2823
2824     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult));
2825     if (!(*ResultCB)) {
2826         osi_Log0(afsd_logp, "RDR_FlushFileEntry out of memory");
2827         return;
2828     }
2829
2830     memset( *ResultCB,
2831             '\0',
2832             sizeof( AFSCommResult));
2833
2834     /* Process the release */
2835     Fid.cell = FileId.Cell;
2836     Fid.volume = FileId.Volume;
2837     Fid.vnode = FileId.Vnode;
2838     Fid.unique = FileId.Unique;
2839     Fid.hash = FileId.Hash;
2840
2841     code = cm_GetSCache(&Fid, NULL, &scp, userp, &req);
2842     if (code) {
2843         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2844         (*ResultCB)->ResultStatus = status;
2845         osi_Log2(afsd_logp, "RDR_FlushFileEntry cm_GetSCache FID failure code=0x%x status=0x%x",
2846                   code, status);
2847         return;
2848     }
2849
2850     lock_ObtainWrite(&scp->rw);
2851     if (scp->flags & CM_SCACHEFLAG_DELETED) {
2852         lock_ReleaseWrite(&scp->rw);
2853         (*ResultCB)->ResultStatus = STATUS_INVALID_HANDLE;
2854         return;
2855     }
2856
2857     code = cm_SyncOp(scp, NULL, userp, &req, 0,
2858                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2859     if (code) {
2860         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2861         (*ResultCB)->ResultStatus = status;
2862         lock_ReleaseWrite(&scp->rw);
2863         cm_ReleaseSCache(scp);
2864         osi_Log3(afsd_logp, "RDR_FlushFileEntry cm_SyncOp failure scp=0x%p code=0x%x status=0x%x",
2865                  scp, code, status);
2866         return;
2867     }
2868
2869     cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2870     lock_ReleaseWrite(&scp->rw);
2871
2872     code = cm_FSync(scp, userp, &req, FALSE);
2873     cm_ReleaseSCache(scp);
2874
2875     if (code) {
2876         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2877         (*ResultCB)->ResultStatus = status;
2878         osi_Log2(afsd_logp, "RDR_FlushFileEntry FAILURE code=0x%x status=0x%x",
2879                   code, status);
2880     } else {
2881         (*ResultCB)->ResultStatus = 0;
2882         osi_Log0(afsd_logp, "RDR_FlushFileEntry SUCCESS");
2883     }
2884     (*ResultCB)->ResultBufferLength = 0;
2885
2886     return;
2887 }
2888
2889 afs_uint32
2890 RDR_CheckAccess( IN cm_scache_t *scp, cm_user_t *userp, cm_req_t *reqp,
2891                  ULONG access,
2892                  ULONG *granted)
2893 {
2894     ULONG afs_acc, afs_gr;
2895     BOOLEAN file, dir;
2896     afs_uint32 code = 0;
2897
2898     file = (scp->fileType == CM_SCACHETYPE_FILE);
2899     dir = !file;
2900
2901     /* access definitions from prs_fs.h */
2902     afs_acc = 0;
2903     if (access & FILE_READ_DATA)
2904         afs_acc |= PRSFS_READ;
2905     if (access & FILE_READ_EA || access & FILE_READ_ATTRIBUTES)
2906         afs_acc |= PRSFS_READ;
2907     if (file && ((access & FILE_WRITE_DATA) || (access & FILE_APPEND_DATA)))
2908         afs_acc |= PRSFS_WRITE;
2909     if (access & FILE_WRITE_EA || access & FILE_WRITE_ATTRIBUTES)
2910         afs_acc |= PRSFS_WRITE;
2911     if (dir && ((access & FILE_ADD_FILE) || (access & FILE_ADD_SUBDIRECTORY)))
2912         afs_acc |= PRSFS_INSERT;
2913     if (dir && (access & FILE_LIST_DIRECTORY))
2914         afs_acc |= PRSFS_LOOKUP;
2915     if (file && (access & FILE_EXECUTE))
2916         afs_acc |= PRSFS_WRITE;
2917     if (dir && (access & FILE_TRAVERSE))
2918         afs_acc |= PRSFS_READ;
2919     if (dir && (access & FILE_DELETE_CHILD))
2920         afs_acc |= PRSFS_DELETE;
2921     if ((access & DELETE))
2922         afs_acc |= PRSFS_DELETE;
2923
2924     /* check ACL with server */
2925     lock_ObtainWrite(&scp->rw);
2926     while (1)
2927     {
2928         if (cm_HaveAccessRights(scp, userp, reqp, afs_acc, &afs_gr))
2929         {
2930             break;
2931         }
2932         else
2933         {
2934             /* we don't know the required access rights */
2935             code = cm_GetAccessRights(scp, userp, reqp);
2936             if (code)
2937                 break;
2938             continue;
2939         }
2940     }
2941     lock_ReleaseWrite(&(scp->rw));
2942
2943     if (code == 0) {
2944         *granted = 0;
2945         if (afs_gr & PRSFS_READ)
2946             *granted |= FILE_READ_DATA | FILE_READ_EA | FILE_READ_ATTRIBUTES | FILE_EXECUTE;
2947         if (afs_gr & PRSFS_WRITE)
2948             *granted |= FILE_WRITE_DATA | FILE_APPEND_DATA | FILE_WRITE_EA | FILE_WRITE_ATTRIBUTES | FILE_EXECUTE;
2949         if (afs_gr & PRSFS_INSERT)
2950             *granted |= (dir ? FILE_ADD_FILE | FILE_ADD_SUBDIRECTORY : 0) | (file ? FILE_ADD_SUBDIRECTORY : 0);
2951         if (afs_gr & PRSFS_LOOKUP)
2952             *granted |= (dir ? FILE_LIST_DIRECTORY : 0);
2953         if (afs_gr & PRSFS_DELETE)
2954             *granted |= FILE_DELETE_CHILD | DELETE;
2955         if (afs_gr & PRSFS_LOCK)
2956             *granted |= 0;
2957         if (afs_gr & PRSFS_ADMINISTER)
2958             *granted |= 0;
2959
2960         *granted |= SYNCHRONIZE | READ_CONTROL;
2961
2962         /* don't give more access than what was requested */
2963         *granted &= access;
2964         osi_Log3(afsd_logp, "RDR_CheckAccess SUCCESS scp=0x%p requested=0x%x granted=0x%x", scp, access, *granted);
2965     } else
2966         osi_Log2(afsd_logp, "RDR_CheckAccess FAILURE scp=0x%p code=0x%x",
2967                  scp, code);
2968
2969     return code;
2970 }
2971
2972 void
2973 RDR_OpenFileEntry( IN cm_user_t *userp,
2974                    IN AFSFileID FileId,
2975                    IN AFSFileOpenCB *OpenCB,
2976                    IN BOOL bWow64,
2977                    IN BOOL bHoldFid,
2978                    IN DWORD ResultBufferLength,
2979                    IN OUT AFSCommResult **ResultCB)
2980 {
2981     AFSFileOpenResultCB *pResultCB = NULL;
2982     cm_scache_t *scp = NULL;
2983     cm_user_t   *sysUserp = NULL;
2984     cm_fid_t    Fid;
2985     cm_lock_data_t      *ldp = NULL;
2986     afs_uint32  code;
2987     cm_req_t    req;
2988     DWORD       status;
2989
2990     RDR_InitReq(&req, bWow64);
2991
2992     osi_Log4(afsd_logp, "RDR_OpenFileEntry File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
2993               FileId.Cell, FileId.Volume,
2994               FileId.Vnode, FileId.Unique);
2995
2996     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult) + sizeof( AFSFileOpenResultCB));
2997     if (!(*ResultCB)) {
2998         osi_Log0(afsd_logp, "RDR_OpenFileEntry out of memory");
2999         return;
3000     }
3001
3002     memset( *ResultCB,
3003             '\0',
3004             sizeof( AFSCommResult) + sizeof( AFSFileOpenResultCB));
3005
3006     pResultCB = (AFSFileOpenResultCB *)(*ResultCB)->ResultData;
3007
3008     /* Process the release */
3009     Fid.cell = FileId.Cell;
3010     Fid.volume = FileId.Volume;
3011     Fid.vnode = FileId.Vnode;
3012     Fid.unique = FileId.Unique;
3013     Fid.hash = FileId.Hash;
3014
3015     code = cm_GetSCache(&Fid, NULL, &scp, userp, &req);
3016     if (code) {
3017         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
3018         (*ResultCB)->ResultStatus = status;
3019         osi_Log2(afsd_logp, "RDR_OpenFileEntry cm_GetSCache FID failure code=0x%x status=0x%x",
3020                   code, status);
3021         return;
3022     }
3023
3024     lock_ObtainWrite(&scp->rw);
3025     code = cm_SyncOp(scp, NULL, userp, &req, 0,
3026                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
3027     if (code) {
3028         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
3029         (*ResultCB)->ResultStatus = status;
3030         lock_ReleaseWrite(&scp->rw);
3031         cm_ReleaseSCache(scp);
3032         osi_Log3(afsd_logp, "RDR_OpenFileEntry cm_SyncOp failure scp=0x%p code=0x%x status=0x%x",
3033                  scp, code, status);
3034         return;
3035     }
3036
3037     cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
3038     lock_ReleaseWrite(&scp->rw);
3039
3040     sysUserp = RDR_GetLocalSystemUser();
3041
3042     /*
3043      * Skip the open check if the request is coming from the local system account.
3044      * The local system has no tokens and therefore any requests sent to a file
3045      * server will fail.  Unfortunately, there are special system processes that
3046      * perform actions on files and directories in preparation for memory mapping
3047      * executables.  If the open check fails, the real request from the user process
3048      * will never be issued.
3049      *
3050      * Permitting the file system to allow subsequent operations to proceed does
3051      * not compromise security.  All requests to obtain file data or directory
3052      * enumerations will subsequently fail if they are not submitted under the
3053      * context of a process for that have access to the necessary credentials.
3054      */
3055
3056     if ( userp == sysUserp)
3057     {
3058         osi_Log1(afsd_logp, "RDR_OpenFileEntry LOCAL_SYSTEM access check skipped scp=0x%p",
3059                  scp);
3060         pResultCB->GrantedAccess = OpenCB->DesiredAccess;
3061         pResultCB->FileAccess = AFS_FILE_ACCESS_NOLOCK;
3062         code = 0;
3063     }
3064     else
3065     {
3066         int count = 0;
3067
3068         do {
3069             if (count++ > 0) {
3070                 Sleep(350);
3071                 osi_Log3(afsd_logp,
3072                          "RDR_OpenFileEntry repeating open check scp=0x%p userp=0x%p code=0x%x",
3073                          scp, userp, code);
3074             }
3075             code = cm_CheckNTOpen(scp, OpenCB->DesiredAccess, OpenCB->ShareAccess,
3076                                   OPEN_ALWAYS,
3077                                   OpenCB->ProcessId, OpenCB->Identifier,
3078                                   userp, &req, &ldp);
3079             if (code == 0)
3080                 code = RDR_CheckAccess(scp, userp, &req, OpenCB->DesiredAccess, &pResultCB->GrantedAccess);
3081             cm_CheckNTOpenDone(scp, userp, &req, &ldp);
3082         } while (count < 100 && (code == CM_ERROR_RETRY || code == CM_ERROR_WOULDBLOCK));
3083     }
3084
3085     /*
3086      * If we are restricting sharing, we should do so with a suitable
3087      * share lock.
3088      */
3089     if (code == 0 && scp->fileType == CM_SCACHETYPE_FILE && !(OpenCB->ShareAccess & FILE_SHARE_WRITE)) {
3090         cm_key_t key;
3091         LARGE_INTEGER LOffset, LLength;
3092         int sLockType;
3093
3094         LOffset.HighPart = SMB_FID_QLOCK_HIGH;
3095         LOffset.LowPart = SMB_FID_QLOCK_LOW;
3096         LLength.HighPart = 0;
3097         LLength.LowPart = SMB_FID_QLOCK_LENGTH;
3098
3099         /*
3100          * If we are not opening the file for writing, then we don't
3101          * try to get an exclusive lock.  No one else should be able to
3102          * get an exclusive lock on the file anyway, although someone
3103          * else can get a shared lock.
3104          */
3105         if ((OpenCB->ShareAccess & FILE_SHARE_READ) || !(OpenCB->DesiredAccess & AFS_ACCESS_WRITE))
3106         {
3107             sLockType = LOCKING_ANDX_SHARED_LOCK;
3108         } else {
3109             sLockType = 0;
3110         }
3111
3112         key = cm_GenerateKey(CM_SESSION_IFS, SMB_FID_QLOCK_PID, OpenCB->Identifier);
3113
3114         lock_ObtainWrite(&scp->rw);
3115         code = cm_Lock(scp, sLockType, LOffset, LLength, key, 0, userp, &req, NULL);
3116         lock_ReleaseWrite(&scp->rw);
3117
3118         if (code) {
3119             code = CM_ERROR_SHARING_VIOLATION;
3120             pResultCB->FileAccess = AFS_FILE_ACCESS_NOLOCK;
3121         } else {
3122             if (sLockType == LOCKING_ANDX_SHARED_LOCK)
3123                 pResultCB->FileAccess = AFS_FILE_ACCESS_SHARED;
3124             else
3125                 pResultCB->FileAccess = AFS_FILE_ACCESS_EXCLUSIVE;
3126         }
3127     } else {
3128         pResultCB->FileAccess = AFS_FILE_ACCESS_NOLOCK;
3129     }
3130
3131     cm_ReleaseUser(sysUserp);
3132     if (code == 0 && bHoldFid)
3133         RDR_FlagScpInUse( scp, FALSE );
3134     cm_ReleaseSCache(scp);
3135
3136     if (code) {
3137         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
3138         (*ResultCB)->ResultStatus = status;
3139         osi_Log2(afsd_logp, "RDR_OpenFileEntry FAILURE code=0x%x status=0x%x",
3140                   code, status);
3141     } else {
3142         (*ResultCB)->ResultStatus = 0;
3143         (*ResultCB)->ResultBufferLength = sizeof( AFSFileOpenResultCB);
3144         osi_Log0(afsd_logp, "RDR_OpenFileEntry SUCCESS");
3145     }
3146     return;
3147 }
3148
3149 void
3150 RDR_ReleaseFileAccess( IN cm_user_t *userp,
3151                        IN AFSFileID FileId,
3152                        IN AFSFileAccessReleaseCB *ReleaseFileCB,
3153                        IN BOOL bWow64,
3154                        IN DWORD ResultBufferLength,
3155                        IN OUT AFSCommResult **ResultCB)
3156 {
3157     cm_key_t key;
3158     unsigned int sLockType;
3159     LARGE_INTEGER LOffset, LLength;
3160     cm_scache_t *scp = NULL;
3161     cm_fid_t    Fid;
3162     afs_uint32  code;
3163     cm_req_t    req;
3164     DWORD       status;
3165
3166     RDR_InitReq(&req, bWow64);
3167
3168     osi_Log4(afsd_logp, "RDR_ReleaseFileAccess File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
3169               FileId.Cell, FileId.Volume,
3170               FileId.Vnode, FileId.Unique);
3171
3172     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult));
3173     if (!(*ResultCB)) {
3174         osi_Log0(afsd_logp, "RDR_ReleaseFileAccess out of memory");
3175         return;
3176     }
3177
3178     memset( *ResultCB, '\0', sizeof( AFSCommResult));
3179
3180     if (ReleaseFileCB->FileAccess == AFS_FILE_ACCESS_NOLOCK)
3181         return;
3182
3183     /* Process the release */
3184     Fid.cell = FileId.Cell;
3185     Fid.volume = FileId.Volume;
3186     Fid.vnode = FileId.Vnode;
3187     Fid.unique = FileId.Unique;
3188     Fid.hash = FileId.Hash;
3189
3190     code = cm_GetSCache(&Fid, NULL, &scp, userp, &req);
3191     if (code) {
3192         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
3193         (*ResultCB)->ResultStatus = status;
3194         osi_Log2(afsd_logp, "RDR_ReleaseFileAccess cm_GetSCache FID failure code=0x%x status=0x%x",
3195                   code, status);
3196         return;
3197     }
3198
3199     if (ReleaseFileCB->FileAccess == AFS_FILE_ACCESS_SHARED)
3200         sLockType = LOCKING_ANDX_SHARED_LOCK;
3201     else
3202         sLockType = 0;
3203
3204     key = cm_GenerateKey(CM_SESSION_IFS, SMB_FID_QLOCK_PID, ReleaseFileCB->Identifier);
3205
3206     LOffset.HighPart = SMB_FID_QLOCK_HIGH;
3207     LOffset.LowPart = SMB_FID_QLOCK_LOW;
3208     LLength.HighPart = 0;
3209     LLength.LowPart = SMB_FID_QLOCK_LENGTH;
3210
3211     lock_ObtainWrite(&scp->rw);
3212
3213     code = cm_SyncOp(scp, NULL, userp, &req, 0, CM_SCACHESYNC_LOCK);
3214     if (code == 0)
3215     {
3216         code = cm_Unlock(scp, sLockType, LOffset, LLength, key, 0, userp, &req);
3217
3218         cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_LOCK);
3219
3220         if (code == CM_ERROR_RANGE_NOT_LOCKED)
3221         {
3222             osi_Log3(afsd_logp, "RDR_ReleaseFileAccess Range Not Locked -- FileAccess 0x%x ProcessId 0x%x HandleId 0x%x",
3223                      ReleaseFileCB->FileAccess, ReleaseFileCB->ProcessId, ReleaseFileCB->Identifier);
3224         }
3225     }
3226
3227     lock_ReleaseWrite(&scp->rw);
3228
3229     osi_Log0(afsd_logp, "RDR_ReleaseFileAccessEntry SUCCESS");
3230 }
3231
3232 static const char *
3233 HexCheckSum(unsigned char * buf, int buflen, unsigned char * md5cksum)
3234 {
3235     int i, k;
3236     static char tr[16] = {'0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'};
3237
3238     if (buflen < 33)
3239         return "buffer length too small to HexCheckSum";
3240
3241     for (i=0;i<16;i++) {
3242         k = md5cksum[i];
3243
3244         buf[i*2] = tr[k / 16];
3245         buf[i*2+1] = tr[k % 16];
3246     }
3247     buf[32] = '\0';
3248
3249     return buf;
3250 }
3251
3252 /*
3253  * Extent requests from the file system are triggered when a file
3254  * page is not resident in the Windows cache.  The file system is
3255  * responsible for loading the page but cannot block the request
3256  * while doing so.  The AFS Redirector forwards the requests to
3257  * the AFS cache manager while indicating to Windows that the page
3258  * is not yet available.  A polling operation will then ensue with
3259  * the AFS Redirector issuing a RDR_RequestFileExtentsXXX call for
3260  * each poll attempt.  As each request is received and processed
3261  * by a separate worker thread in the service, this can lead to
3262  * contention by multiple threads attempting to claim the same
3263  * cm_buf_t objects.  Therefore, it is important that
3264  *
3265  *  (a) the service avoid processing more than one overlapping
3266  *      extent request at a time
3267  *  (b) background daemon processing be used to avoid blocking
3268  *      of ioctl threads
3269  *
3270  * Beginning with the 20091122 build of the redirector, the redirector
3271  * will not issue an additional RDR_RequestFileExtentsXXX call for
3272  * each poll request.  Instead, afsd_service is required to track
3273  * the requests and return them to the redirector or fail the
3274  * portions of the request that cannot be satisfied.
3275  *
3276  * The request processing returns any extents that can be returned
3277  * immediately to the redirector.  The rest of the requested range(s)
3278  * are queued as background operations using RDR_BkgFetch().
3279  */
3280
3281 /* do the background fetch. */
3282 afs_int32
3283 RDR_BkgFetch(cm_scache_t *scp, afs_uint32 p1, afs_uint32 p2, afs_uint32 p3, afs_uint32 p4,
3284              cm_user_t *userp, cm_req_t *reqp)
3285 {
3286     osi_hyper_t length;
3287     osi_hyper_t base;
3288     osi_hyper_t offset;
3289     osi_hyper_t end;
3290     osi_hyper_t fetched;
3291     osi_hyper_t tblocksize;
3292     afs_int32 code;
3293     int rwheld = 0;
3294     cm_buf_t *bufp = NULL;
3295     DWORD dwResultBufferLength;
3296     AFSSetFileExtentsCB *pResultCB;
3297     DWORD status;
3298     afs_uint32 count=0;
3299     AFSFileID FileId;
3300     int reportErrorToRedir = 0;
3301     int force_retry = 0;
3302
3303     FileId.Cell = scp->fid.cell;
3304     FileId.Volume = scp->fid.volume;
3305     FileId.Vnode = scp->fid.vnode;
3306     FileId.Unique = scp->fid.unique;
3307     FileId.Hash = scp->fid.hash;
3308
3309     fetched.LowPart = 0;
3310     fetched.HighPart = 0;
3311     tblocksize = ConvertLongToLargeInteger(cm_data.buf_blockSize);
3312     base.LowPart = p1;
3313     base.HighPart = p2;
3314     length.LowPart = p3;
3315     length.HighPart = p4;
3316
3317     end = LargeIntegerAdd(base, length);
3318
3319     osi_Log5(afsd_logp, "Starting BKG Fetch scp 0x%p offset 0x%x:%x length 0x%x:%x",
3320              scp, p2, p1, p4, p3);
3321
3322     /*
3323      * Make sure we have a callback.
3324      * This is necessary so that we can return access denied
3325      * if a callback cannot be granted.
3326      */
3327     lock_ObtainWrite(&scp->rw);
3328     code = cm_SyncOp(scp, NULL, userp, reqp, PRSFS_READ,
3329                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
3330     if (code) {
3331         lock_ReleaseWrite(&scp->rw);
3332         osi_Log2(afsd_logp, "RDR_BkgFetch cm_SyncOp failure scp=0x%p code=0x%x",
3333                  scp, code);
3334         smb_MapNTError(cm_MapRPCError(code, reqp), &status, TRUE);
3335         RDR_SetFileStatus( &scp->fid, &userp->authgroup, status);
3336         return code;
3337     }
3338     lock_ReleaseWrite(&scp->rw);
3339
3340     dwResultBufferLength = (DWORD)(sizeof( AFSSetFileExtentsCB) + sizeof( AFSFileExtentCB) * (length.QuadPart / cm_data.blockSize + 1));
3341     pResultCB = (AFSSetFileExtentsCB *)malloc( dwResultBufferLength );
3342     if (!pResultCB)
3343         return CM_ERROR_RETRY;
3344
3345     memset( pResultCB, '\0', dwResultBufferLength );
3346     pResultCB->FileId = FileId;
3347
3348     for ( code = 0, offset = base;
3349           code == 0 && LargeIntegerLessThan(offset, end);
3350           offset = LargeIntegerAdd(offset, tblocksize) )
3351     {
3352         int bBufRelease = TRUE;
3353
3354         if (rwheld) {
3355             lock_ReleaseWrite(&scp->rw);
3356             rwheld = 0;
3357         }
3358
3359         code = buf_Get(scp, &offset, reqp, &bufp);
3360         if (code) {
3361             /*
3362              * any error from buf_Get() is non-fatal.
3363              * we need to re-queue this extent fetch.
3364              */
3365             force_retry = 1;
3366             break;
3367         }
3368
3369         if (!rwheld) {
3370             lock_ObtainWrite(&scp->rw);
3371             rwheld = 1;
3372         }
3373
3374         code = cm_GetBuffer(scp, bufp, NULL, userp, reqp);
3375         if (code == 0) {
3376             if (!(bufp->qFlags & CM_BUF_QREDIR)) {
3377 #ifdef VALIDATE_CHECK_SUM
3378 #ifdef ODS_DEBUG
3379                 char md5dbg[33];
3380                 char dbgstr[1024];
3381 #endif
3382 #endif
3383                 if (bufp->flags & CM_BUF_DIRTY)
3384                     cm_BufWrite(scp, &bufp->offset, cm_data.buf_blockSize, CM_BUF_WRITE_SCP_LOCKED, userp, reqp);
3385
3386                 lock_ObtainWrite(&buf_globalLock);
3387                 if (!(bufp->flags & CM_BUF_DIRTY) &&
3388                     bufp->cmFlags == 0 &&
3389                     !(bufp->qFlags & CM_BUF_QREDIR)) {
3390                     buf_InsertToRedirQueue(scp, bufp);
3391                     lock_ReleaseWrite(&buf_globalLock);
3392
3393 #ifdef VALIDATE_CHECK_SUM
3394                     buf_ComputeCheckSum(bufp);
3395 #endif
3396                     pResultCB->FileExtents[count].Flags = 0;
3397                     pResultCB->FileExtents[count].FileOffset.QuadPart = bufp->offset.QuadPart;
3398                     pResultCB->FileExtents[count].CacheOffset.QuadPart = bufp->datap - RDR_extentBaseAddress;
3399                     pResultCB->FileExtents[count].Length = cm_data.blockSize;
3400                     count++;
3401                     fetched = LargeIntegerAdd(fetched, tblocksize);
3402                     bBufRelease = FALSE;
3403
3404 #ifdef VALIDATE_CHECK_SUM
3405 #ifdef ODS_DEBUG
3406                     HexCheckSum(md5dbg, sizeof(md5dbg), bufp->md5cksum);
3407                     snprintf( dbgstr, 1024,
3408                               "RDR_BkgFetch md5 %s vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
3409                               md5dbg,
3410                               scp->fid.volume, scp->fid.vnode, scp->fid.unique,
3411                               pResultCB->FileExtents[count].FileOffset.HighPart,
3412                               pResultCB->FileExtents[count].FileOffset.LowPart,
3413                               pResultCB->FileExtents[count].CacheOffset.HighPart,
3414                               pResultCB->FileExtents[count].CacheOffset.LowPart);
3415                     OutputDebugStringA( dbgstr);
3416 #endif
3417 #endif
3418                     osi_Log4(afsd_logp, "RDR_BkgFetch Extent2FS bufp 0x%p foffset 0x%p coffset 0x%p len 0x%x",
3419                               bufp, bufp->offset.QuadPart, bufp->datap - RDR_extentBaseAddress, cm_data.blockSize);
3420                 } else {
3421                     lock_ReleaseWrite(&buf_globalLock);
3422                     if ((bufp->cmFlags != 0) || (bufp->flags & CM_BUF_DIRTY)) {
3423                         /* An I/O operation is already in progress */
3424                         force_retry = 1;
3425                         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",
3426                                   bufp, bufp->offset.QuadPart, bufp->datap - RDR_extentBaseAddress, cm_data.blockSize);
3427                     } else {
3428                         osi_Log4(afsd_logp, "RDR_BkgFetch Extent2FS Already held by Redirector bufp 0x%p foffset 0x%p coffset 0x%p len 0x%x",
3429                                   bufp, bufp->offset.QuadPart, bufp->datap - RDR_extentBaseAddress, cm_data.blockSize);
3430                     }
3431                 }
3432             } else {
3433                 osi_Log4(afsd_logp, "RDR_BkgFetch Extent2FS Already held by Redirector bufp 0x%p foffset 0x%p coffset 0x%p len 0x%x",
3434                           bufp, bufp->offset.QuadPart, bufp->datap - RDR_extentBaseAddress, cm_data.blockSize);
3435             }
3436         } else {
3437             /*
3438              * depending on what the error from cm_GetBuffer is
3439              * it may or may not be fatal.  Only return fatal errors.
3440              * Re-queue a request for others.
3441              */
3442             osi_Log5(afsd_logp, "RDR_BkgFetch Extent2FS FAILURE bufp 0x%p foffset 0x%p coffset 0x%p len 0x%x code 0x%x",
3443                       bufp, offset.QuadPart, bufp->datap - RDR_extentBaseAddress, cm_data.blockSize, code);
3444             switch (code) {
3445             case CM_ERROR_NOACCESS:
3446             case CM_ERROR_NOSUCHFILE:
3447             case CM_ERROR_NOSUCHPATH:
3448             case CM_ERROR_NOSUCHVOLUME:
3449             case CM_ERROR_NOSUCHCELL:
3450             case CM_ERROR_INVAL:
3451             case CM_ERROR_BADFD:
3452             case CM_ERROR_CLOCKSKEW:
3453             case RXKADNOAUTH:
3454             case CM_ERROR_QUOTA:
3455             case CM_ERROR_LOCK_CONFLICT:
3456             case EIO:
3457             case CM_ERROR_INVAL_NET_RESP:
3458             case CM_ERROR_UNKNOWN:
3459                 /*
3460                  * these are fatal errors.  deliver what we can
3461                  * and halt.
3462                  */
3463                 reportErrorToRedir = 1;
3464                 break;
3465             default:
3466                 /*
3467                  * non-fatal errors.  re-queue the exent
3468                  */
3469                 code = CM_ERROR_RETRY;
3470                 force_retry = 1;
3471             }
3472         }
3473
3474         if (bBufRelease)
3475             buf_Release(bufp);
3476     }
3477
3478     if (!rwheld) {
3479         lock_ObtainWrite(&scp->rw);
3480         rwheld = 1;
3481     }
3482
3483     /* wakeup anyone who is waiting */
3484     if (scp->flags & CM_SCACHEFLAG_WAITING) {
3485         osi_Log1(afsd_logp, "RDR Bkg Fetch Waking scp 0x%p", scp);
3486         osi_Wakeup((LONG_PTR) &scp->flags);
3487     }
3488     lock_ReleaseWrite(&scp->rw);
3489
3490     if (count > 0) {
3491         pResultCB->ExtentCount = count;
3492         RDR_SetFileExtents( pResultCB, dwResultBufferLength);
3493     }
3494     free(pResultCB);
3495
3496     if (reportErrorToRedir) {
3497         smb_MapNTError(cm_MapRPCError(code, reqp), &status, TRUE);
3498         RDR_SetFileStatus( &scp->fid, &userp->authgroup, status);
3499     }
3500
3501     osi_Log4(afsd_logp, "Ending BKG Fetch scp 0x%p code 0x%x fetched 0x%x:%x",
3502              scp, code, fetched.HighPart, fetched.LowPart);
3503
3504     return force_retry ? CM_ERROR_RETRY : code;
3505 }
3506
3507
3508 BOOL
3509 RDR_RequestFileExtentsAsync( IN cm_user_t *userp,
3510                              IN AFSFileID FileId,
3511                              IN AFSRequestExtentsCB *RequestExtentsCB,
3512                              IN BOOL bWow64,
3513                              IN OUT DWORD * ResultBufferLength,
3514                              IN OUT AFSSetFileExtentsCB **ResultCB)
3515 {
3516     AFSSetFileExtentsCB *pResultCB = NULL;
3517     DWORD Length;
3518     DWORD count;
3519     DWORD status;
3520     cm_scache_t *scp = NULL;
3521     cm_fid_t    Fid;
3522     cm_buf_t    *bufp;
3523     afs_uint32  code = 0;
3524     osi_hyper_t thyper;
3525     LARGE_INTEGER ByteOffset, BeginOffset, EndOffset, QueueOffset;
3526     afs_uint32  QueueLength;
3527     cm_req_t    req;
3528     BOOLEAN     bBufRelease = TRUE;
3529
3530     RDR_InitReq(&req, bWow64);
3531     req.flags |= CM_REQ_NORETRY;
3532
3533     osi_Log4(afsd_logp, "RDR_RequestFileExtentsAsync File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
3534               FileId.Cell, FileId.Volume,
3535               FileId.Vnode, FileId.Unique);
3536     osi_Log4(afsd_logp, "... Flags 0x%x ByteOffset 0x%x:%x Length 0x%x",
3537              RequestExtentsCB->Flags,
3538              RequestExtentsCB->ByteOffset.HighPart, RequestExtentsCB->ByteOffset.LowPart,
3539              RequestExtentsCB->Length);
3540     Length = sizeof( AFSSetFileExtentsCB) + sizeof( AFSFileExtentCB) * (RequestExtentsCB->Length / cm_data.blockSize + 1);
3541
3542     pResultCB = *ResultCB = (AFSSetFileExtentsCB *)malloc( Length );
3543     if (*ResultCB == NULL) {
3544         *ResultBufferLength = 0;
3545         return FALSE;
3546     }
3547     *ResultBufferLength = Length;
3548
3549     memset( pResultCB, '\0', Length );
3550     pResultCB->FileId = FileId;
3551
3552     Fid.cell = FileId.Cell;
3553     Fid.volume = FileId.Volume;
3554     Fid.vnode = FileId.Vnode;
3555     Fid.unique = FileId.Unique;
3556     Fid.hash = FileId.Hash;
3557
3558     code = cm_GetSCache(&Fid, NULL, &scp, userp, &req);
3559     if (code) {
3560         osi_Log1(afsd_logp, "RDR_RequestFileExtentsAsync cm_GetSCache FID failure code=0x%x",
3561                   code);
3562         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
3563         return FALSE;
3564     }
3565
3566     /*
3567      * Make sure we have a callback.
3568      * This is necessary so that we can return access denied
3569      * if a callback cannot be granted.
3570      */
3571     lock_ObtainWrite(&scp->rw);
3572     code = cm_SyncOp(scp, NULL, userp, &req, PRSFS_READ,
3573                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
3574     lock_ReleaseWrite(&scp->rw);
3575     if (code) {
3576         cm_ReleaseSCache(scp);
3577         osi_Log2(afsd_logp, "RDR_RequestFileExtentsAsync cm_SyncOp failure scp=0x%p code=0x%x",
3578                  scp, code);
3579         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
3580         RDR_SetFileStatus( &scp->fid, &userp->authgroup, status);
3581         return FALSE;
3582     }
3583
3584     /* Allocate the extents from the buffer package */
3585     for ( count = 0,
3586           ByteOffset = BeginOffset = RequestExtentsCB->ByteOffset,
3587           EndOffset.QuadPart = ByteOffset.QuadPart + RequestExtentsCB->Length;
3588           code == 0 && ByteOffset.QuadPart < EndOffset.QuadPart;
3589           ByteOffset.QuadPart += cm_data.blockSize)
3590     {
3591         BOOL bHaveBuffer = FALSE;
3592
3593         QueueLength = 0;
3594         thyper.QuadPart = ByteOffset.QuadPart;
3595
3596         code = buf_Get(scp, &thyper, &req, &bufp);
3597         if (code == 0) {
3598             lock_ObtainMutex(&bufp->mx);
3599             bBufRelease = TRUE;
3600
3601             if (bufp->qFlags & CM_BUF_QREDIR) {
3602                 bHaveBuffer = TRUE;
3603             } else if (bufp->flags & CM_BUF_DIRTY) {
3604                 bHaveBuffer = FALSE;
3605 #if 0
3606                 code = buf_CleanAsyncLocked(scp, bufp, &req, 0, NULL);
3607                 switch (code) {
3608                 case 0:
3609                     bHaveBuffer = TRUE;
3610                     break;
3611                 case CM_ERROR_RETRY:
3612                     /* Couldn't flush it, obtain it asynchronously so we don't block the thread. */
3613                     bHaveBuffer = FALSE;
3614                     code = 0;
3615                     break;
3616                 default:
3617                     smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
3618                     RDR_SetFileStatus(&FileId, &userp->authgroup, status);
3619                     bHaveBuffer = FALSE;
3620                     code = 0;
3621                 }
3622 #endif
3623             } else {
3624                 osi_hyper_t minLength;  /* effective end of file */
3625
3626                 lock_ObtainRead(&scp->rw);
3627                 bHaveBuffer = cm_HaveBuffer(scp, bufp, TRUE);
3628
3629                 if (LargeIntegerGreaterThan(scp->length, scp->serverLength))
3630                     minLength = scp->serverLength;
3631                 else
3632                     minLength = scp->length;
3633
3634                 if (LargeIntegerGreaterThanOrEqualTo(bufp->offset, minLength)) {
3635                     if (!bHaveBuffer) {
3636                         memset(bufp->datap, 0, cm_data.buf_blockSize);
3637                         bufp->dataVersion = scp->dataVersion;
3638                         bHaveBuffer = TRUE;
3639                     }
3640                     else if (bufp->dataVersion == CM_BUF_VERSION_BAD) {
3641                         bufp->dataVersion = scp->dataVersion;
3642                     }
3643                 }
3644                 else if ((RequestExtentsCB->Flags & AFS_EXTENT_FLAG_CLEAN) &&
3645                          ByteOffset.QuadPart <= bufp->offset.QuadPart &&
3646                          EndOffset.QuadPart >= bufp->offset.QuadPart + cm_data.blockSize)
3647                 {
3648                     memset(bufp->datap, 0, cm_data.blockSize);
3649                     bufp->dataVersion = scp->dataVersion;
3650                     buf_SetDirty(bufp, &req, 0, cm_data.blockSize, userp);
3651                     bHaveBuffer = TRUE;
3652                 }
3653                 lock_ReleaseRead(&scp->rw);
3654             }
3655
3656             /*
3657              * if this buffer is already up to date, skip it.
3658              */
3659             if (bHaveBuffer) {
3660                 if (ByteOffset.QuadPart == BeginOffset.QuadPart) {
3661                     BeginOffset.QuadPart += cm_data.blockSize;
3662                 } else {
3663                     QueueLength = (afs_uint32)(ByteOffset.QuadPart - BeginOffset.QuadPart);
3664                     QueueOffset = BeginOffset;
3665                     BeginOffset = ByteOffset;
3666                 }
3667
3668                 if (!(bufp->qFlags & CM_BUF_QREDIR)) {
3669 #ifdef VALIDATE_CHECK_SUM
3670 #ifdef ODS_DEBUG
3671                     char md5dbg[33];
3672                     char dbgstr[1024];
3673 #endif
3674 #endif
3675                     lock_ObtainWrite(&buf_globalLock);
3676                     if (!(bufp->qFlags & CM_BUF_QREDIR)) {
3677                         buf_InsertToRedirQueue(scp, bufp);
3678                         lock_ReleaseWrite(&buf_globalLock);
3679
3680 #ifdef VALIDATE_CHECK_SUM
3681                         buf_ComputeCheckSum(bufp);
3682 #endif
3683                         /* we already have the buffer, return it now */
3684                         pResultCB->FileExtents[count].Flags = 0;
3685                         pResultCB->FileExtents[count].FileOffset = ByteOffset;
3686                         pResultCB->FileExtents[count].CacheOffset.QuadPart = bufp->datap - RDR_extentBaseAddress;
3687                         pResultCB->FileExtents[count].Length = cm_data.blockSize;
3688                         count++;
3689
3690                         bBufRelease = FALSE;
3691
3692 #ifdef VALIDATE_CHECK_SUM
3693 #ifdef ODS_DEBUG
3694                         HexCheckSum(md5dbg, sizeof(md5dbg), bufp->md5cksum);
3695                         snprintf( dbgstr, 1024,
3696                                   "RDR_RequestFileExtentsAsync md5 %s vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
3697                                   md5dbg,
3698                                   scp->fid.volume, scp->fid.vnode, scp->fid.unique,
3699                                   pResultCB->FileExtents[count].FileOffset.HighPart,
3700                                   pResultCB->FileExtents[count].FileOffset.LowPart,
3701                                   pResultCB->FileExtents[count].CacheOffset.HighPart,
3702                                   pResultCB->FileExtents[count].CacheOffset.LowPart);
3703                         OutputDebugStringA( dbgstr);
3704 #endif
3705 #endif
3706                         osi_Log4(afsd_logp, "RDR_RequestFileExtentsAsync Extent2FS bufp 0x%p foffset 0x%p coffset 0x%p len 0x%x",
3707                                  bufp, ByteOffset.QuadPart, bufp->datap - RDR_extentBaseAddress, cm_data.blockSize);
3708                     } else {
3709                         lock_ReleaseWrite(&buf_globalLock);
3710                     }
3711                 } else {
3712                     if (bBufRelease) {
3713                         /*
3714                          * The service is not handing off the extent to the redirector in this pass.
3715                          * However, we know the buffer is in recent use so move the buffer to the
3716                          * front of the queue
3717                          */
3718                         lock_ObtainWrite(&buf_globalLock);
3719                         buf_MoveToHeadOfRedirQueue(scp, bufp);
3720                         lock_ReleaseWrite(&buf_globalLock);
3721
3722                         osi_Log4(afsd_logp, "RDR_RequestFileExtentsAsync Extent2FS Already held by Redirector bufp 0x%p foffset 0x%p coffset 0x%p len 0x%x",
3723                                  bufp, ByteOffset.QuadPart, bufp->datap - RDR_extentBaseAddress, cm_data.blockSize);
3724                     }
3725                 }
3726             }
3727             lock_ReleaseMutex(&bufp->mx);
3728             if (bBufRelease)
3729                 buf_Release(bufp);
3730
3731             if (QueueLength) {
3732                 req.flags &= ~CM_REQ_NORETRY;
3733                 cm_QueueBKGRequest(scp, RDR_BkgFetch, QueueOffset.LowPart, QueueOffset.HighPart,
3734                                    QueueLength, 0, userp, &req);
3735                 osi_Log3(afsd_logp, "RDR_RequestFileExtentsAsync Queued a Background Fetch offset 0x%x:%x length 0x%x",
3736                          QueueOffset.HighPart, QueueOffset.LowPart, QueueLength);
3737                 req.flags |= CM_REQ_NORETRY;
3738             }
3739         } else {
3740             /* No error from buf_Get() can be fatal */
3741             osi_Log3(afsd_logp, "RDR_RequestFileExtentsAsync buf_Get FAILURE offset 0x%x:%x code 0x%x",
3742                      BeginOffset.HighPart, BeginOffset.LowPart, code);
3743         }
3744     }
3745
3746     if (BeginOffset.QuadPart != EndOffset.QuadPart) {
3747         afs_uint32 length = (afs_uint32)(EndOffset.QuadPart - BeginOffset.QuadPart);
3748
3749         req.flags &= ~CM_REQ_NORETRY;
3750         cm_QueueBKGRequest(scp, RDR_BkgFetch, BeginOffset.LowPart, BeginOffset.HighPart,
3751                            length, 0, userp, &req);
3752         osi_Log3(afsd_logp, "RDR_RequestFileExtentsAsync Queued a Background Fetch offset 0x%x:%x length 0x%x",
3753                   BeginOffset.HighPart, BeginOffset.LowPart, length);
3754     }
3755     cm_ReleaseSCache(scp);
3756
3757     (*ResultCB)->ExtentCount = count;
3758     osi_Log1(afsd_logp, "RDR_RequestFileExtentsAsync replying with 0x%x extent records", count);
3759     return FALSE;
3760 }
3761
3762 /*
3763  * When processing an extent release the extents must be accepted back by
3764  * the service even if there is an error condition returned to the redirector.
3765  * For example, there may no longer be a callback present or the file may
3766  * have been deleted on the file server.  Regardless, the extents must be
3767  * put back into the pool.
3768  */
3769 void
3770 RDR_ReleaseFileExtents( IN cm_user_t *userp,
3771                         IN AFSFileID FileId,
3772                         IN AFSReleaseExtentsCB *ReleaseExtentsCB,
3773                         IN BOOL bWow64,
3774                         IN DWORD ResultBufferLength,
3775                         IN OUT AFSCommResult **ResultCB)
3776 {
3777     DWORD count;
3778     cm_scache_t *scp = NULL;
3779     cm_fid_t    Fid;
3780     cm_buf_t    *bufp;
3781     afs_uint32  code;
3782     osi_hyper_t thyper;
3783     cm_req_t    req;
3784     int         dirty = 0;
3785     int         released = 0;
3786     int         deleted = 0;
3787     DWORD       status;
3788 #ifdef ODS_DEBUG
3789 #ifdef VALIDATE_CHECK_SUM
3790     char md5dbg[33], md5dbg2[33], md5dbg3[33];
3791 #endif
3792     char dbgstr[1024];
3793 #endif
3794
3795     RDR_InitReq(&req, bWow64);
3796
3797     osi_Log4(afsd_logp, "RDR_ReleaseFileExtents File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
3798               FileId.Cell, FileId.Volume,
3799               FileId.Vnode, FileId.Unique);
3800
3801     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult));
3802     if (!(*ResultCB))
3803         return;
3804
3805     memset( *ResultCB,
3806             '\0',
3807             sizeof( AFSCommResult));
3808
3809     /* Process the release */
3810     Fid.cell = FileId.Cell;
3811     Fid.volume = FileId.Volume;
3812     Fid.vnode = FileId.Vnode;
3813     Fid.unique = FileId.Unique;
3814     Fid.hash = FileId.Hash;
3815
3816     code = cm_GetSCache(&Fid, NULL, &scp, userp, &req);
3817     if (code) {
3818         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
3819         (*ResultCB)->ResultStatus = status;
3820         osi_Log2(afsd_logp, "RDR_ReleaseFileExtents cm_GetSCache FID failure code=0x%x status=0x%x",
3821                   code, status);
3822     }
3823
3824     deleted = scp && (scp->flags & CM_SCACHEFLAG_DELETED);
3825
3826     /*
3827      * We do not stop processing as a result of being unable to find the cm_scache object.
3828      * If this occurs something really bad has happened since the cm_scache object must have
3829      * been recycled while extents were held by the redirector.  However, we will be resilient
3830      * and carry on without it.
3831      *
3832      * If the file is known to be deleted, there is no point attempting to ask the
3833      * file server about it or update the attributes.
3834      */
3835     if (scp && ReleaseExtentsCB->AllocationSize.QuadPart != scp->length.QuadPart &&
3836         !deleted)
3837     {
3838         cm_attr_t setAttr;
3839
3840         memset(&setAttr, 0, sizeof(cm_attr_t));
3841         lock_ObtainWrite(&scp->rw);
3842         if (ReleaseExtentsCB->AllocationSize.QuadPart != scp->length.QuadPart) {
3843
3844             osi_Log4(afsd_logp, "RDR_ReleaseFileExtents new length fid vol 0x%x vno 0x%x length 0x%x:%x",
3845                       scp->fid.volume, scp->fid.vnode,
3846                       ReleaseExtentsCB->AllocationSize.HighPart,
3847                       ReleaseExtentsCB->AllocationSize.LowPart);
3848
3849             setAttr.mask |= CM_ATTRMASK_LENGTH;
3850             setAttr.length.LowPart = ReleaseExtentsCB->AllocationSize.LowPart;
3851             setAttr.length.HighPart = ReleaseExtentsCB->AllocationSize.HighPart;
3852         }
3853         lock_ReleaseWrite(&scp->rw);
3854         if (setAttr.mask)
3855             code = cm_SetAttr(scp, &setAttr, userp, &req);
3856     }
3857
3858     for ( count = 0; count < ReleaseExtentsCB->ExtentCount; count++) {
3859         AFSFileExtentCB * pExtent = &ReleaseExtentsCB->FileExtents[count];
3860
3861         thyper.QuadPart = pExtent->FileOffset.QuadPart;
3862
3863         bufp = buf_Find(&Fid, &thyper);
3864         if (bufp) {
3865             if (pExtent->Flags & AFS_EXTENT_FLAG_UNKNOWN) {
3866                 if (!(bufp->qFlags & CM_BUF_QREDIR)) {
3867                     osi_Log4(afsd_logp, "RDR_ReleaseFileExtents extent vol 0x%x vno 0x%x foffset 0x%x:%x",
3868                               Fid.volume, Fid.vnode,
3869                               pExtent->FileOffset.HighPart,
3870                               pExtent->FileOffset.LowPart);
3871                     osi_Log2(afsd_logp, "... coffset 0x%x:%x UNKNOWN to redirector; previously released",
3872                               pExtent->CacheOffset.HighPart,
3873                               pExtent->CacheOffset.LowPart);
3874                 } else {
3875                     osi_Log4(afsd_logp, "RDR_ReleaseFileExtents extent vol 0x%x vno 0x%x foffset 0x%x:%x",
3876                               Fid.volume, Fid.vnode,
3877                               pExtent->FileOffset.HighPart,
3878                               pExtent->FileOffset.LowPart);
3879                     osi_Log2(afsd_logp, "... coffset 0x%x:%x UNKNOWN to redirector; owned by redirector",
3880                               pExtent->CacheOffset.HighPart,
3881                               pExtent->CacheOffset.LowPart);
3882                 }
3883                 buf_Release(bufp);
3884                 continue;
3885             }
3886
3887             if (pExtent->Flags & AFS_EXTENT_FLAG_IN_USE) {
3888                 osi_Log4(afsd_logp, "RDR_ReleaseFileExtents extent vol 0x%x vno 0x%x foffset 0x%x:%x",
3889                           Fid.volume, Fid.vnode,
3890                           pExtent->FileOffset.HighPart,
3891                           pExtent->FileOffset.LowPart);
3892                 osi_Log2(afsd_logp, "... coffset 0x%x:%x IN_USE by file system",
3893                           pExtent->CacheOffset.HighPart,
3894                           pExtent->CacheOffset.LowPart);
3895
3896                 /* Move the buffer to the front of the queue */
3897                 lock_ObtainWrite(&buf_globalLock);
3898                 buf_MoveToHeadOfRedirQueue(scp, bufp);
3899                 lock_ReleaseWrite(&buf_globalLock);
3900                 buf_Release(bufp);
3901                 continue;
3902             }
3903
3904             if (bufp->datap - RDR_extentBaseAddress == pExtent->CacheOffset.QuadPart) {
3905                 if (!(bufp->qFlags & CM_BUF_QREDIR)) {
3906                     osi_Log4(afsd_logp, "RDR_ReleaseFileExtents extent vol 0x%x vno 0x%x foffset 0x%x:%x not held by file system",
3907                              Fid.volume, Fid.vnode, pExtent->FileOffset.HighPart,
3908                              pExtent->FileOffset.LowPart);
3909                     osi_Log2(afsd_logp, "... coffset 0x%x:%x",
3910                              pExtent->CacheOffset.HighPart,
3911                              pExtent->CacheOffset.LowPart);
3912                 } else {
3913                     osi_Log4(afsd_logp, "RDR_ReleaseFileExtents bufp 0x%p vno 0x%x foffset 0x%x:%x",
3914                               bufp, bufp->fid.vnode, pExtent->FileOffset.HighPart,
3915                               pExtent->FileOffset.LowPart);
3916                     osi_Log2(afsd_logp, "... coffset 0x%x:%x",
3917                              pExtent->CacheOffset.HighPart,
3918                              pExtent->CacheOffset.LowPart);
3919
3920                     if (pExtent->Flags || ReleaseExtentsCB->Flags) {
3921                         lock_ObtainMutex(&bufp->mx);
3922                         if ( (ReleaseExtentsCB->Flags & AFS_EXTENT_FLAG_RELEASE) ||
3923                              (pExtent->Flags & AFS_EXTENT_FLAG_RELEASE) )
3924                         {
3925                             if (bufp->qFlags & CM_BUF_QREDIR) {
3926                                 lock_ObtainWrite(&buf_globalLock);
3927                                 if (bufp->qFlags & CM_BUF_QREDIR) {
3928                                     buf_RemoveFromRedirQueue(scp, bufp);
3929                                     buf_ReleaseLocked(bufp, TRUE);
3930                                 }
3931                                 lock_ReleaseWrite(&buf_globalLock);
3932                             }
3933 #ifdef ODS_DEBUG
3934                             snprintf( dbgstr, 1024,
3935                                       "RDR_ReleaseFileExtents releasing: vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
3936                                       Fid.volume, Fid.vnode, Fid.unique,
3937                                       pExtent->FileOffset.HighPart,
3938                                       pExtent->FileOffset.LowPart,
3939                                       pExtent->CacheOffset.HighPart,
3940                                       pExtent->CacheOffset.LowPart);
3941                             OutputDebugStringA( dbgstr);
3942 #endif
3943                             released++;
3944                         } else {
3945 #ifdef ODS_DEBUG
3946                             snprintf( dbgstr, 1024,
3947                                       "RDR_ReleaseFileExtents not releasing: vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
3948                                       Fid.volume, Fid.vnode, Fid.unique,
3949                                       pExtent->FileOffset.HighPart,
3950                                       pExtent->FileOffset.LowPart,
3951                                       pExtent->CacheOffset.HighPart,
3952                                       pExtent->CacheOffset.LowPart);
3953                             OutputDebugStringA( dbgstr);
3954 #endif
3955                             osi_Log4( afsd_logp, "RDR_ReleaseFileExtents not releasing vol 0x%x vno 0x%x foffset 0x%x:%x",
3956                                       Fid.volume, Fid.vnode,
3957                                       pExtent->FileOffset.HighPart,
3958                                       pExtent->FileOffset.LowPart);
3959                             osi_Log2( afsd_logp, "... coffset 0x%x:%x",
3960                                       pExtent->CacheOffset.HighPart,
3961                                       pExtent->CacheOffset.LowPart);
3962                         }
3963
3964                         if ( (ReleaseExtentsCB->Flags & AFS_EXTENT_FLAG_DIRTY) ||
3965                              (pExtent->Flags & AFS_EXTENT_FLAG_DIRTY) )
3966                         {
3967 #ifdef VALIDATE_CHECK_SUM
3968 #ifdef ODS_DEBUG
3969                             HexCheckSum(md5dbg, sizeof(md5dbg), bufp->md5cksum);
3970 #endif
3971
3972                             /*
3973                              * if the saved checksum matches the checksum of the current state of the buffer
3974                              * then the buffer is the same as what was given to the kernel.
3975                              */
3976                             if ( buf_ValidateCheckSum(bufp) ) {
3977                                 buf_ComputeCheckSum(bufp);
3978
3979                                 if (pExtent->Flags & AFS_EXTENT_FLAG_MD5_SET)
3980                                 {
3981 #ifdef ODS_DEBUG
3982                                     HexCheckSum(md5dbg2, sizeof(md5dbg2), pExtent->MD5);
3983                                     HexCheckSum(md5dbg3, sizeof(md5dbg3), bufp->md5cksum);
3984 #endif
3985                                     if (memcmp(bufp->md5cksum, pExtent->MD5, 16))
3986                                     {
3987 #ifdef ODS_DEBUG
3988                                         snprintf( dbgstr, 1024,
3989                                                   "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",
3990                                                   md5dbg, md5dbg2,md5dbg3,
3991                                                   Fid.volume, Fid.vnode, Fid.unique,
3992                                                   pExtent->FileOffset.HighPart,
3993                                                   pExtent->FileOffset.LowPart,
3994                                                   pExtent->CacheOffset.HighPart,
3995                                                   pExtent->CacheOffset.LowPart);
3996                                         OutputDebugStringA( dbgstr);
3997 #endif
3998                                         osi_Log4( afsd_logp, "RDR_ReleaseFileExtents dirty flag set and checksums do not match! vol 0x%x vno 0x%x foffset 0x%x:%x",
3999                                                   Fid.volume, Fid.vnode,
4000                                                   pExtent->FileOffset.HighPart,
4001                                                   pExtent->FileOffset.LowPart);
4002                                         osi_Log2( afsd_logp, "... coffset 0x%x:%x",
4003                                                   pExtent->CacheOffset.HighPart,
4004                                                   pExtent->CacheOffset.LowPart);
4005                                         buf_SetDirty(bufp, &req, pExtent->DirtyOffset, pExtent->DirtyLength, userp);
4006                                         dirty++;
4007                                     } else {
4008 #ifdef ODS_DEBUG
4009                                         snprintf( dbgstr, 1024,
4010                                                   "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",
4011                                                   md5dbg, md5dbg2, md5dbg3,
4012                                                   Fid.volume, Fid.vnode, Fid.unique,
4013                                                   pExtent->FileOffset.HighPart,
4014                                                   pExtent->FileOffset.LowPart,
4015                                                   pExtent->CacheOffset.HighPart,
4016                                                   pExtent->CacheOffset.LowPart);
4017                                         OutputDebugStringA( dbgstr);
4018 #endif
4019                                         osi_Log4( afsd_logp, "RDR_ReleaseFileExtents dirty flag set but extent has not changed vol 0x%x vno 0x%x foffset 0x%x:%x",
4020                                                   Fid.volume, Fid.vnode,
4021                                                   pExtent->FileOffset.HighPart,
4022                                                   pExtent->FileOffset.LowPart);
4023                                         osi_Log2( afsd_logp, "... coffset 0x%x:%x",
4024                                                   pExtent->CacheOffset.HighPart,
4025                                                   pExtent->CacheOffset.LowPart);
4026                                     }
4027                                 } else {
4028 #ifdef ODS_DEBUG
4029                                         snprintf( dbgstr, 1024,
4030                                                   "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",
4031                                                   Fid.volume, Fid.vnode, Fid.unique,
4032                                                   pExtent->FileOffset.HighPart,
4033                                                   pExtent->FileOffset.LowPart,
4034                                                   pExtent->CacheOffset.HighPart,
4035                                                   pExtent->CacheOffset.LowPart);
4036                                         OutputDebugStringA( dbgstr);
4037 #endif
4038                                         osi_Log4( afsd_logp, "RDR_ReleaseFileExtents dirty flag set but extent has not changed vol 0x%x vno 0x%x foffset 0x%x:%x",
4039                                                   Fid.volume, Fid.vnode,
4040                                                   pExtent->FileOffset.HighPart,
4041                                                   pExtent->FileOffset.LowPart);
4042                                         osi_Log2( afsd_logp, "... coffset 0x%x:%x",
4043                                                   pExtent->CacheOffset.HighPart,
4044                                                   pExtent->CacheOffset.LowPart);
4045                                 }
4046                             } else {
4047                                 buf_ComputeCheckSum(bufp);
4048 #ifdef ODS_DEBUG
4049                                 if (pExtent->Flags & AFS_EXTENT_FLAG_MD5_SET)
4050                                 {
4051                                     HexCheckSum(md5dbg3, sizeof(md5dbg3), bufp->md5cksum);
4052                                     if (memcmp(bufp->md5cksum, pExtent->MD5, 16))
4053                                     {
4054                                         snprintf( dbgstr, 1024,
4055                                                   "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",
4056                                                   md5dbg, md5dbg2,md5dbg3,
4057                                                   Fid.volume, Fid.vnode, Fid.unique,
4058                                                   pExtent->FileOffset.HighPart,
4059                                                   pExtent->FileOffset.LowPart,
4060                                                   pExtent->CacheOffset.HighPart,
4061                                                   pExtent->CacheOffset.LowPart);
4062                                         OutputDebugStringA( dbgstr);
4063                                     } else {
4064                                         snprintf( dbgstr, 1024,
4065                                                   "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",
4066                                                   md5dbg, md5dbg2,md5dbg3,
4067                                                   Fid.volume, Fid.vnode, Fid.unique,
4068                                                   pExtent->FileOffset.HighPart,
4069                                                   pExtent->FileOffset.LowPart,
4070                                                   pExtent->CacheOffset.HighPart,
4071                                                   pExtent->CacheOffset.LowPart);
4072                                         OutputDebugStringA( dbgstr);
4073                                     }
4074                                 } else {
4075                                     snprintf( dbgstr, 1024,
4076                                               "RDR_ReleaseFileExtents dirty flag set: vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
4077                                               Fid.volume, Fid.vnode, Fid.unique,
4078                                               pExtent->FileOffset.HighPart,
4079                                               pExtent->FileOffset.LowPart,
4080                                               pExtent->CacheOffset.HighPart,
4081                                               pExtent->CacheOffset.LowPart);
4082                                     OutputDebugStringA( dbgstr);
4083                                 }
4084 #endif
4085                                 buf_SetDirty(bufp, &req, pExtent->DirtyOffset, pExtent->DirtyLength, userp);
4086                                 dirty++;
4087                             }
4088 #else /* !VALIDATE_CHECK_SUM */
4089                             buf_SetDirty(bufp, &req, pExtent->DirtyOffset, pExtent->DirtyLength, userp);
4090                             dirty++;
4091 #endif /* VALIDATE_CHECK_SUM */
4092                         }
4093 #ifdef VALIDATE_CHECK_SUM
4094                         else {
4095 #ifdef ODS_DEBUG
4096                             HexCheckSum(md5dbg, sizeof(md5dbg), bufp->md5cksum);
4097 #endif
4098                             if ( !buf_ValidateCheckSum(bufp) ) {
4099                                 buf_ComputeCheckSum(bufp);
4100 #ifdef ODS_DEBUG
4101                                 HexCheckSum(md5dbg3, sizeof(md5dbg2), bufp->md5cksum);
4102                                 snprintf( dbgstr, 1024,
4103                                           "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",
4104                                           md5dbg, md5dbg3,
4105                                           Fid.volume, Fid.vnode, Fid.unique,
4106                                           pExtent->FileOffset.HighPart,
4107                                           pExtent->FileOffset.LowPart,
4108                                           pExtent->CacheOffset.HighPart,
4109                                           pExtent->CacheOffset.LowPart);
4110                                 OutputDebugStringA( dbgstr);
4111 #endif
4112                                 osi_Log4( afsd_logp, "RDR_ReleaseFileExtents dirty flag not set but extent has changed vol 0x%x vno 0x%x foffset 0x%x:%x",
4113                                           Fid.volume, Fid.vnode,
4114                                           pExtent->FileOffset.HighPart,
4115                                           pExtent->FileOffset.LowPart);
4116                                 osi_Log2( afsd_logp, "... coffset 0x%x:%x",
4117                                           pExtent->CacheOffset.HighPart,
4118                                           pExtent->CacheOffset.LowPart);
4119                                 buf_SetDirty(bufp, &req, pExtent->DirtyOffset, pExtent->DirtyLength, userp);
4120                                 dirty++;
4121                             } else {
4122                                 buf_ComputeCheckSum(bufp);
4123 #ifdef ODS_DEBUG
4124                                 HexCheckSum(md5dbg3, sizeof(md5dbg2), bufp->md5cksum);
4125                                 snprintf( dbgstr, 1024,
4126                                           "RDR_ReleaseFileExtents dirty flag not set: vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
4127                                           Fid.volume, Fid.vnode, Fid.unique,
4128                                           pExtent->FileOffset.HighPart,
4129                                           pExtent->FileOffset.LowPart,
4130                                           pExtent->CacheOffset.HighPart,
4131                                           pExtent->CacheOffset.LowPart);
4132                                 OutputDebugStringA( dbgstr);
4133 #endif
4134                                 osi_Log4( afsd_logp, "RDR_ReleaseFileExtents dirty flag not set: vol 0x%x vno 0x%x foffset 0x%x:%x",
4135                                           Fid.volume, Fid.vnode,
4136                                           pExtent->FileOffset.HighPart,
4137                                           pExtent->FileOffset.LowPart);
4138                                 osi_Log2( afsd_logp, "... coffset 0x%x:%x",
4139                                           pExtent->CacheOffset.HighPart,
4140                                           pExtent->CacheOffset.LowPart);
4141                             }
4142                         }
4143 #endif /* VALIDATE_CHECK_SUM */
4144                         lock_ReleaseMutex(&bufp->mx);
4145                     }
4146                 }
4147             }
4148             else {
4149                 char * datap = RDR_extentBaseAddress + pExtent->CacheOffset.QuadPart;
4150                 cm_buf_t *wbp;
4151
4152                 for (wbp = cm_data.buf_allp; wbp; wbp = wbp->allp) {
4153                     if (wbp->datap == datap)
4154                         break;
4155                 }
4156
4157 #ifdef ODS_DEBUG
4158                 snprintf( dbgstr, 1024,
4159                           "RDR_ReleaseFileExtents non-matching extent vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
4160                           Fid.volume, Fid.vnode, Fid.unique,
4161                           pExtent->FileOffset.HighPart,
4162                           pExtent->FileOffset.LowPart,
4163                           pExtent->CacheOffset.HighPart,
4164                           pExtent->CacheOffset.LowPart);
4165                 OutputDebugStringA( dbgstr);
4166 #endif
4167                 osi_Log4( afsd_logp, "RDR_ReleaseFileExtents non-matching extent vol 0x%x vno 0x%x foffset 0x%x:%x",
4168                           Fid.volume, Fid.vnode,
4169                           pExtent->FileOffset.HighPart,
4170                           pExtent->FileOffset.LowPart);
4171                 osi_Log2( afsd_logp, "... coffset 0x%x:%x",
4172                           pExtent->CacheOffset.HighPart,
4173                           pExtent->CacheOffset.LowPart);
4174                 osi_Log5( afsd_logp, "... belongs to bp 0x%p vol 0x%x vno 0x%x foffset 0x%x:%x",
4175                           wbp, wbp->fid.volume, wbp->fid.vnode, wbp->offset.HighPart, wbp->offset.LowPart);
4176             }
4177             buf_Release(bufp);
4178         }
4179         else {
4180             char * datap = RDR_extentBaseAddress + pExtent->CacheOffset.QuadPart;
4181             cm_buf_t *wbp;
4182
4183             for (wbp = cm_data.buf_allp; wbp; wbp = wbp->allp) {
4184                 if (wbp->datap == datap)
4185                     break;
4186             }
4187
4188 #ifdef ODS_DEBUG
4189             snprintf( dbgstr, 1024,
4190                       "RDR_ReleaseFileExtents unknown extent vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
4191                       Fid.volume, Fid.vnode, Fid.unique,
4192                       pExtent->FileOffset.HighPart,
4193                       pExtent->FileOffset.LowPart,
4194                       pExtent->CacheOffset.HighPart,
4195                       pExtent->CacheOffset.LowPart);
4196             OutputDebugStringA( dbgstr);
4197 #endif
4198             osi_Log4( afsd_logp, "RDR_ReleaseFileExtents unknown extent vol 0x%x vno 0x%x foffset 0x%x:%x",
4199                       Fid.volume, Fid.vnode,
4200                       pExtent->FileOffset.HighPart,
4201                       pExtent->FileOffset.LowPart);
4202             osi_Log2( afsd_logp, "... coffset 0x%x:%x",
4203                       pExtent->CacheOffset.HighPart,
4204                       pExtent->CacheOffset.LowPart);
4205             osi_Log5( afsd_logp, "... belongs to bp 0x%p vol 0x%x vno 0x%x foffset 0x%x:%x",
4206                       wbp, wbp->fid.volume, wbp->fid.vnode, wbp->offset.HighPart, wbp->offset.LowPart);
4207         }
4208     }
4209
4210     if (scp) {
4211         if (deleted) {
4212             code = 0;
4213         } else if (ReleaseExtentsCB->Flags & AFS_EXTENT_FLAG_FLUSH) {
4214             lock_ObtainWrite(&scp->rw);
4215             code = cm_SyncOp(scp, NULL, userp, &req, PRSFS_WRITE,
4216                              CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
4217             lock_ReleaseWrite(&scp->rw);
4218             if (code == 0)
4219                 code = cm_FSync(scp, userp, &req, FALSE);
4220         }
4221         else if (dirty) {
4222             osi_hyper_t offset = {0,0};
4223             afs_uint32  length = 0;
4224             afs_uint32  rights = 0;
4225
4226             lock_ObtainWrite(&scp->rw);
4227             code = cm_SyncOp(scp, NULL, userp, &req, PRSFS_WRITE,
4228                              CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
4229             lock_ReleaseWrite(&scp->rw);
4230             if (code == 0) {
4231                 /*
4232                  * there is at least one dirty extent on this file.  queue up background store
4233                  * requests for contiguous blocks
4234                  */
4235                 for ( count = 0; count < ReleaseExtentsCB->ExtentCount; count++) {
4236                     if (ReleaseExtentsCB->FileExtents[count].FileOffset.QuadPart == offset.QuadPart + length &&
4237                          length + cm_data.buf_blockSize <= cm_chunkSize)
4238                     {
4239                         length += cm_data.buf_blockSize;
4240                     } else {
4241                         if (!(offset.QuadPart == 0 && length == 0))
4242                             cm_QueueBKGRequest(scp, cm_BkgStore, offset.LowPart, offset.HighPart,
4243                                                 length, 0, userp, &req);
4244                         offset.QuadPart = ReleaseExtentsCB->FileExtents[count].FileOffset.QuadPart;
4245                         length = cm_data.buf_blockSize;
4246                     }
4247                 }
4248                 cm_QueueBKGRequest(scp, cm_BkgStore, offset.LowPart, offset.HighPart,
4249                                    length, 0, userp, &req);
4250             }
4251         }
4252         cm_ReleaseSCache(scp);
4253     }
4254
4255     osi_Log5(afsd_logp, "RDR_ReleaseFileExtents File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x Released %d",
4256               FileId.Cell, FileId.Volume,
4257               FileId.Vnode, FileId.Unique, released);
4258     if (code && code != CM_ERROR_WOULDBLOCK) {
4259         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
4260         (*ResultCB)->ResultStatus = status;
4261         osi_Log2(afsd_logp, "RDR_ReleaseFileExtents FAILURE code=0x%x status=0x%x",
4262                   code, status);
4263     } else {
4264         (*ResultCB)->ResultStatus = 0;
4265         osi_Log0(afsd_logp, "RDR_ReleaseFileExtents SUCCESS");
4266     }
4267     (*ResultCB)->ResultBufferLength = 0;
4268
4269     return;
4270 }
4271
4272 DWORD
4273 RDR_ProcessReleaseFileExtentsResult( IN AFSReleaseFileExtentsResultCB *ReleaseFileExtentsResultCB,
4274                                      IN DWORD ResultBufferLength)
4275 {
4276     afs_uint32  code = 0;
4277     cm_req_t    req;
4278     osi_hyper_t thyper;
4279     cm_buf_t    *bufp;
4280     unsigned int fileno, extentno, total_extents = 0;
4281     AFSReleaseFileExtentsResultFileCB *pNextFileCB;
4282 #ifdef ODS_DEBUG
4283 #ifdef VALIDATE_CHECK_SUM
4284     char md5dbg[33], md5dbg2[33], md5dbg3[33];
4285 #endif
4286     char dbgstr[1024];
4287 #endif
4288     RDR_InitReq(&req, FALSE);
4289
4290     for ( fileno = 0, pNextFileCB = &ReleaseFileExtentsResultCB->Files[0];
4291           fileno < ReleaseFileExtentsResultCB->FileCount;
4292           fileno++ ) {
4293         AFSReleaseFileExtentsResultFileCB *pFileCB = pNextFileCB;
4294         cm_user_t       *userp = NULL;
4295         cm_fid_t         Fid;
4296         cm_scache_t *    scp = NULL;
4297         int              dirty = 0;
4298         int              released = 0;
4299         int              deleted = 0;
4300         char * p;
4301
4302         userp = RDR_UserFromAuthGroup( &pFileCB->AuthGroup);
4303
4304         osi_Log4(afsd_logp, "RDR_ProcessReleaseFileExtentsResult %d.%d.%d.%d",
4305                   pFileCB->FileId.Cell, pFileCB->FileId.Volume,
4306                   pFileCB->FileId.Vnode, pFileCB->FileId.Unique);
4307
4308         /* Process the release */
4309         Fid.cell = pFileCB->FileId.Cell;
4310         Fid.volume = pFileCB->FileId.Volume;
4311         Fid.vnode = pFileCB->FileId.Vnode;
4312         Fid.unique = pFileCB->FileId.Unique;
4313         Fid.hash = pFileCB->FileId.Hash;
4314
4315         if (Fid.cell == 0) {
4316             osi_Log4(afsd_logp, "RDR_ProcessReleaseFileExtentsResult Invalid FID %d.%d.%d.%d",
4317                      Fid.cell, Fid.volume, Fid.vnode, Fid.unique);
4318             code = CM_ERROR_INVAL;
4319             goto cleanup_file;
4320         }
4321
4322         code = cm_GetSCache(&Fid, NULL, &scp, userp, &req);
4323         if (code) {
4324             osi_Log1(afsd_logp, "RDR_ProcessReleaseFileExtentsResult cm_GetSCache FID failure code=0x%x",
4325                      code);
4326             /*
4327              * A failure to find the cm_scache object cannot prevent the service
4328              * from accepting the extents back from the redirector.
4329              */
4330         }
4331
4332         deleted = scp && (scp->flags & CM_SCACHEFLAG_DELETED);
4333
4334         /* if the scp was not found, do not perform the length check */
4335         if (scp && (pFileCB->AllocationSize.QuadPart != scp->length.QuadPart)) {
4336             cm_attr_t setAttr;
4337
4338             memset(&setAttr, 0, sizeof(cm_attr_t));
4339             lock_ObtainWrite(&scp->rw);
4340             if (pFileCB->AllocationSize.QuadPart != scp->length.QuadPart) {
4341                 osi_Log4(afsd_logp, "RDR_ReleaseFileExtentsResult length change vol 0x%x vno 0x%x length 0x%x:%x",
4342                           scp->fid.volume, scp->fid.vnode,
4343                           pFileCB->AllocationSize.HighPart,
4344                           pFileCB->AllocationSize.LowPart);
4345                 setAttr.mask |= CM_ATTRMASK_LENGTH;
4346                 setAttr.length.LowPart = pFileCB->AllocationSize.LowPart;
4347                 setAttr.length.HighPart = pFileCB->AllocationSize.HighPart;
4348             }
4349             lock_ReleaseWrite(&scp->rw);
4350             if (setAttr.mask)
4351                 code = cm_SetAttr(scp, &setAttr, userp, &req);
4352         }
4353
4354         for ( extentno = 0; extentno < pFileCB->ExtentCount; total_extents++, extentno++ ) {
4355             AFSFileExtentCB *pExtent = &pFileCB->FileExtents[extentno];
4356
4357             thyper.QuadPart = pExtent->FileOffset.QuadPart;
4358
4359             bufp = buf_Find(&Fid, &thyper);
4360             if (bufp) {
4361                 if (pExtent->Flags & AFS_EXTENT_FLAG_UNKNOWN) {
4362                     if (!(bufp->qFlags & CM_BUF_QREDIR)) {
4363                         osi_Log4(afsd_logp, "RDR_ReleaseFileExtentsResult extent vol 0x%x vno 0x%x foffset 0x%x:%x",
4364                                  Fid.volume, Fid.vnode,
4365                                  pExtent->FileOffset.HighPart,
4366                                  pExtent->FileOffset.LowPart);
4367                         osi_Log2(afsd_logp, "... coffset 0x%x:%x UNKNOWN to redirector; previously released",
4368                                  pExtent->CacheOffset.HighPart,
4369                                  pExtent->CacheOffset.LowPart);
4370                     } else {
4371                         osi_Log4(afsd_logp, "RDR_ReleaseFileExtentsResult extent vol 0x%x vno 0x%x foffset 0x%x:%x",
4372                                  Fid.volume, Fid.vnode,
4373                                  pExtent->FileOffset.HighPart,
4374                                  pExtent->FileOffset.LowPart);
4375                         osi_Log2(afsd_logp, "... coffset 0x%x:%x UNKNOWN to redirector; owned by redirector",
4376                                  pExtent->CacheOffset.HighPart,
4377                                  pExtent->CacheOffset.LowPart);
4378                     }
4379                     buf_Release(bufp);
4380                     continue;
4381                 }
4382
4383                 if (pExtent->Flags & AFS_EXTENT_FLAG_IN_USE) {
4384                     osi_Log4(afsd_logp, "RDR_ReleaseFileExtentsResult extent vol 0x%x vno 0x%x foffset 0x%x:%x",
4385                               Fid.volume, Fid.vnode,
4386                               pExtent->FileOffset.HighPart,
4387                               pExtent->FileOffset.LowPart);
4388                     osi_Log2(afsd_logp, "... coffset 0x%x:%x IN_USE by file system",
4389                               pExtent->CacheOffset.HighPart,
4390                               pExtent->CacheOffset.LowPart);
4391
4392                     /* Move the buffer to the front of the queue */
4393                     lock_ObtainWrite(&buf_globalLock);
4394                     buf_MoveToHeadOfRedirQueue(scp, bufp);
4395                     lock_ReleaseWrite(&buf_globalLock);
4396                     buf_Release(bufp);
4397                     continue;
4398                 }
4399
4400                 if (bufp->datap - RDR_extentBaseAddress == pExtent->CacheOffset.QuadPart) {
4401                     if (!(bufp->qFlags & CM_BUF_QREDIR)) {
4402                         osi_Log4(afsd_logp, "RDR_ReleaseFileExtentsResult extent vol 0x%x vno 0x%x foffset 0x%x:%x",
4403                                  Fid.volume, Fid.vnode,
4404                                  pExtent->FileOffset.HighPart,
4405                                  pExtent->FileOffset.LowPart);
4406                         osi_Log2(afsd_logp, "... coffset 0x%x:%x not held by file system",
4407                                  pExtent->CacheOffset.HighPart,
4408                                  pExtent->CacheOffset.LowPart);
4409 #ifdef ODS_DEBUG
4410                         snprintf(dbgstr, 1024,
4411                                   "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",
4412                                   ReleaseFileExtentsResultCB->Flags, pExtent->Flags,
4413                                   Fid.volume, Fid.vnode, Fid.unique,
4414                                   pExtent->FileOffset.HighPart,
4415                                   pExtent->FileOffset.LowPart,
4416                                   pExtent->CacheOffset.HighPart,
4417                                   pExtent->CacheOffset.LowPart);
4418                         OutputDebugStringA( dbgstr);
4419 #endif
4420                     } else {
4421                         osi_Log5(afsd_logp, "RDR_ProcessReleaseFileExtentsResult bufp 0x%p foffset 0x%x:%x coffset 0x%x:%x",
4422                                  bufp, pExtent->FileOffset.HighPart, pExtent->FileOffset.LowPart,
4423                                  pExtent->CacheOffset.HighPart, pExtent->CacheOffset.LowPart);
4424
4425                         if (pExtent->Flags || ReleaseFileExtentsResultCB->Flags) {
4426                             lock_ObtainMutex(&bufp->mx);
4427                             if ( (ReleaseFileExtentsResultCB->Flags & AFS_EXTENT_FLAG_RELEASE) ||
4428                                  (pExtent->Flags & AFS_EXTENT_FLAG_RELEASE) )
4429                             {
4430                                 if (bufp->qFlags & CM_BUF_QREDIR) {
4431                                     lock_ObtainWrite(&buf_globalLock);
4432                                     if (bufp->qFlags & CM_BUF_QREDIR) {
4433                                         buf_RemoveFromRedirQueue(scp, bufp);
4434                                         buf_ReleaseLocked(bufp, TRUE);
4435                                     }
4436                                     lock_ReleaseWrite(&buf_globalLock);
4437                                 }
4438
4439 #ifdef ODS_DEBUG
4440                                 snprintf(dbgstr, 1024,
4441                                           "RDR_ProcessReleaseFileExtentsResult extent released: vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
4442                                           Fid.volume, Fid.vnode, Fid.unique,
4443                                           pExtent->FileOffset.HighPart,
4444                                           pExtent->FileOffset.LowPart,
4445                                           pExtent->CacheOffset.HighPart,
4446                                           pExtent->CacheOffset.LowPart);
4447                                 OutputDebugStringA( dbgstr);
4448 #endif
4449
4450                                 released++;
4451                             } else {
4452                                 osi_Log4(afsd_logp, "RDR_ProcessReleaseFileExtentsResult not releasing vol 0x%x vno 0x%x foffset 0x%x:%x",
4453                                          Fid.volume, Fid.vnode,
4454                                          pExtent->FileOffset.HighPart,
4455                                          pExtent->FileOffset.LowPart);
4456                                 osi_Log2(afsd_logp, "... coffset 0x%x:%x",
4457                                          pExtent->CacheOffset.HighPart,
4458                                          pExtent->CacheOffset.LowPart);
4459 #ifdef ODS_DEBUG
4460                                 snprintf(dbgstr, 1024,
4461                                           "RDR_ProcessReleaseFileExtentsResult not released! vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
4462                                           Fid.volume, Fid.vnode, Fid.unique,
4463                                           pExtent->FileOffset.HighPart,
4464                                           pExtent->FileOffset.LowPart,
4465                                           pExtent->CacheOffset.HighPart,
4466                                           pExtent->CacheOffset.LowPart);
4467                                 OutputDebugStringA( dbgstr);
4468 #endif
4469                             }
4470
4471                             if ((ReleaseFileExtentsResultCB->Flags & AFS_EXTENT_FLAG_DIRTY) ||
4472                                 (pExtent->Flags & AFS_EXTENT_FLAG_DIRTY))
4473                             {
4474 #ifdef VALIDATE_CHECK_SUM
4475                                 if ( buf_ValidateCheckSum(bufp) ) {
4476 #ifdef ODS_DEBUG
4477                                     HexCheckSum(md5dbg, sizeof(md5dbg), bufp->md5cksum);
4478                                     if (ReleaseFileExtentsResultCB->Flags & AFS_EXTENT_FLAG_MD5_SET)
4479                                         HexCheckSum(md5dbg2, sizeof(md5dbg2), pExtent->MD5);
4480 #endif
4481                                     buf_ComputeCheckSum(bufp);
4482 #ifdef ODS_DEBUG
4483                                     HexCheckSum(md5dbg3, sizeof(md5dbg), bufp->md5cksum);
4484 #endif
4485                                     if (ReleaseFileExtentsResultCB->Flags & AFS_EXTENT_FLAG_MD5_SET)
4486                                     {
4487                                         if (memcmp(bufp->md5cksum, pExtent->MD5, 16))
4488                                         {
4489 #ifdef ODS_DEBUG
4490                                             snprintf(dbgstr, 1024,
4491                                                       "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",
4492                                                       md5dbg3, md5dbg2,
4493                                                       Fid.volume, Fid.vnode, Fid.unique,
4494                                                       pExtent->FileOffset.HighPart,
4495                                                       pExtent->FileOffset.LowPart,
4496                                                       pExtent->CacheOffset.HighPart,
4497                                                       pExtent->CacheOffset.LowPart);
4498                                             OutputDebugStringA( dbgstr);
4499 #endif
4500                                             osi_Log4(afsd_logp,
4501                                                       "RDR_ProcessReleaseFileExtentsResult dirty flag set and checksums do not match! vol 0x%x vno 0x%x foffset 0x%x:%x",
4502                                                       Fid.volume, Fid.vnode,
4503                                                       pExtent->FileOffset.HighPart,
4504                                                       pExtent->FileOffset.LowPart);
4505                                             osi_Log2(afsd_logp,
4506                                                       "... coffset 0x%x:%x",
4507                                                       pExtent->CacheOffset.HighPart,
4508                                                       pExtent->CacheOffset.LowPart);
4509
4510                                             if (!deleted) {
4511                                                 buf_SetDirty(bufp, &req, pExtent->DirtyOffset, pExtent->DirtyLength, userp);
4512                                                 dirty++;
4513                                             }
4514                                         } else {
4515 #ifdef ODS_DEBUG
4516                                             snprintf(dbgstr, 1024,
4517                                                       "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",
4518                                                       md5dbg, md5dbg2, md5dbg3,
4519                                                       Fid.volume, Fid.vnode, Fid.unique,
4520                                                       pExtent->FileOffset.HighPart,
4521                                                       pExtent->FileOffset.LowPart,
4522                                                       pExtent->CacheOffset.HighPart,
4523                                                       pExtent->CacheOffset.LowPart);
4524                                             OutputDebugStringA( dbgstr);
4525 #endif
4526                                             osi_Log4(afsd_logp,
4527                                                       "RDR_ProcessReleaseFileExtentsResult dirty flag set but extent has not changed vol 0x%x vno 0x%x foffset 0x%x:%x",
4528                                                       Fid.volume, Fid.vnode,
4529                                                       pExtent->FileOffset.HighPart,
4530                                                       pExtent->FileOffset.LowPart);
4531                                             osi_Log2(afsd_logp,
4532                                                       "... coffset 0x%x:%x",
4533                                                       pExtent->CacheOffset.HighPart,
4534                                                       pExtent->CacheOffset.LowPart);
4535                                         }
4536                                     }
4537                                 }
4538 #else /* !VALIDATE_CHECK_SUM */
4539                                 if (!deleted) {
4540                                     buf_SetDirty(bufp, &req, pExtent->DirtyOffset, pExtent->DirtyLength, userp);
4541                                     dirty++;
4542                                 }
4543 #ifdef ODS_DEBUG
4544                                 snprintf(dbgstr, 1024,
4545                                           "RDR_ProcessReleaseFileExtentsResult dirty! vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
4546                                           Fid.volume, Fid.vnode, Fid.unique,
4547                                           pExtent->FileOffset.HighPart,
4548                                           pExtent->FileOffset.LowPart,
4549                                           pExtent->CacheOffset.HighPart,
4550                                           pExtent->CacheOffset.LowPart);
4551                                 OutputDebugStringA( dbgstr);
4552 #endif
4553 #endif /* VALIDATE_CHECK_SUM */
4554                             }
4555 #ifdef VALIDATE_CHECK_SUM
4556                             else {
4557 #ifdef ODS_DEBUG
4558                                 HexCheckSum(md5dbg, sizeof(md5dbg), bufp->md5cksum);
4559 #endif
4560                                 if (!buf_ValidateCheckSum(bufp) ) {
4561                                     buf_ComputeCheckSum(bufp);
4562 #ifdef ODS_DEBUG
4563                                     HexCheckSum(md5dbg3, sizeof(md5dbg2), bufp->md5cksum);
4564                                     snprintf(dbgstr, 1024,
4565                                              "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",
4566                                              md5dbg, md5dbg3,
4567                                              Fid.volume, Fid.vnode, Fid.unique,
4568                                              pExtent->FileOffset.HighPart,
4569                                              pExtent->FileOffset.LowPart,
4570                                              pExtent->CacheOffset.HighPart,
4571                                              pExtent->CacheOffset.LowPart);
4572                                     OutputDebugStringA( dbgstr);
4573 #endif
4574                                     osi_Log4(afsd_logp, "RDR_ProcessReleaseFileExtentsResult dirty flag NOT set but extent has changed! vol 0x%x vno 0x%x foffset 0x%x:%x",
4575                                              Fid.volume, Fid.vnode,
4576                                              pExtent->FileOffset.HighPart,
4577                                              pExtent->FileOffset.LowPart);
4578                                     osi_Log2(afsd_logp, "... coffset 0x%x:%x",
4579                                              pExtent->CacheOffset.HighPart,
4580                                              pExtent->CacheOffset.LowPart);
4581
4582                                     if (!deleted) {
4583                                         buf_SetDirty(bufp, &req, pExtent->DirtyOffset, pExtent->DirtyLength, userp);
4584                                         dirty++;
4585                                     }
4586                                 } else {
4587                                     buf_ComputeCheckSum(bufp);
4588 #ifdef ODS_DEBUG
4589                                     HexCheckSum(md5dbg3, sizeof(md5dbg2), bufp->md5cksum);
4590                                     snprintf(dbgstr, 1024,
4591                                              "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",
4592                                              md5dbg, md5dbg3,
4593                                              Fid.volume, Fid.vnode, Fid.unique,
4594                                              pExtent->FileOffset.HighPart,
4595                                              pExtent->FileOffset.LowPart,
4596                                              pExtent->CacheOffset.HighPart,
4597                                              pExtent->CacheOffset.LowPart);
4598                                     OutputDebugStringA( dbgstr);
4599 #endif
4600                                 }
4601                             }
4602 #endif /* VALIDATE_CHECK_SUM */
4603                             lock_ReleaseMutex(&bufp->mx);
4604                         }
4605                     }
4606                 } else {
4607                     /* CacheOffset doesn't match bufp->datap */
4608                     char * datap = RDR_extentBaseAddress + pExtent->CacheOffset.QuadPart;
4609                     cm_buf_t *wbp;
4610
4611                     for (wbp = cm_data.buf_allp; wbp; wbp = wbp->allp) {
4612                         if (wbp->datap == datap)
4613                             break;
4614                     }
4615
4616 #ifdef ODS_DEBUG
4617                     snprintf(dbgstr, 1024,
4618                              "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",
4619                              Fid.volume, Fid.vnode, Fid.unique,
4620                              pExtent->FileOffset.HighPart,
4621                              pExtent->FileOffset.LowPart,
4622                              pExtent->CacheOffset.HighPart,
4623                              pExtent->CacheOffset.LowPart,
4624                              pExtent->Flags);
4625                     OutputDebugStringA( dbgstr);
4626 #endif
4627                     osi_Log4(afsd_logp, "RDR_ProcessReleaseFileExtentsResult non-matching extent vol 0x%x vno 0x%x foffset 0x%x:%x",
4628                              Fid.volume, Fid.vnode,
4629                              pExtent->FileOffset.HighPart,
4630                              pExtent->FileOffset.LowPart);
4631                     osi_Log3(afsd_logp, "... coffset 0x%x:%x flags 0x%x",
4632                              pExtent->CacheOffset.HighPart,
4633                              pExtent->CacheOffset.LowPart,
4634                              pExtent->Flags);
4635                     if (wbp)
4636                         osi_Log5(afsd_logp, "... coffset belongs to bp 0x%p vol 0x%x vno 0x%x foffset 0x%x:%x",
4637                                  wbp, wbp->fid.volume, wbp->fid.vnode, wbp->offset.HighPart, wbp->offset.LowPart);
4638                     else
4639                         osi_Log0(afsd_logp, "... coffset cannot be found");
4640                 }
4641                 buf_Release(bufp);
4642             } else {
4643                 if (pExtent->Flags & AFS_EXTENT_FLAG_UNKNOWN) {
4644                     osi_Log4(afsd_logp, "RDR_ReleaseFileExtentsResult extent vol 0x%x vno 0x%x foffset 0x%x:%x",
4645                              Fid.volume, Fid.vnode, pExtent->FileOffset.HighPart,
4646                              pExtent->FileOffset.LowPart);
4647                     osi_Log2(afsd_logp, "... coffset 0x%x:%x UNKNOWN to redirector; cm_buf not found -- recycled?",
4648                              pExtent->CacheOffset.HighPart,
4649                              pExtent->CacheOffset.LowPart);
4650
4651                     continue;
4652                 }
4653
4654 #ifdef ODS_DEBUG
4655                 snprintf(dbgstr, 1024,
4656                          "RDR_ProcessReleaseFileExtentsResult buf not found vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
4657                          Fid.volume, Fid.vnode, Fid.unique,
4658                          pExtent->FileOffset.HighPart,
4659                          pExtent->FileOffset.LowPart,
4660                          pExtent->CacheOffset.HighPart,
4661                          pExtent->CacheOffset.LowPart);
4662                 OutputDebugStringA( dbgstr);
4663 #endif
4664                 osi_Log4(afsd_logp, "RDR_ProcessReleaseFileExtentsResult buf not found vol 0x%x vno 0x%x foffset 0x%x:%x",
4665                          Fid.volume, Fid.vnode,
4666                          pExtent->FileOffset.HighPart,
4667                          pExtent->FileOffset.LowPart);
4668                 osi_Log2(afsd_logp, "... coffset 0x%x:%x",
4669                          pExtent->CacheOffset.HighPart,
4670                          pExtent->CacheOffset.LowPart);
4671             }
4672         }
4673
4674         if (scp && dirty) {
4675             osi_hyper_t offset = {0,0};
4676             afs_uint32  length = 0;
4677
4678             /*
4679              * there is at least one dirty extent on this file.  queue up background store
4680              * requests for contiguous blocks
4681              */
4682             for ( extentno = 0; extentno < pFileCB->ExtentCount; extentno++ ) {
4683                 AFSFileExtentCB *pExtent = &pFileCB->FileExtents[extentno];
4684                 if (pExtent->FileOffset.QuadPart == offset.QuadPart + length &&
4685                      length < cm_chunkSize) {
4686                     length += cm_data.buf_blockSize;
4687                 } else {
4688                     if (!(offset.QuadPart == 0 && length == 0))
4689                         cm_QueueBKGRequest(scp, cm_BkgStore, offset.LowPart, offset.HighPart,
4690                                             length, 0, userp, &req);
4691                     offset.QuadPart = pExtent->FileOffset.QuadPart;
4692                     length = cm_data.buf_blockSize;
4693                 }
4694             }
4695             cm_QueueBKGRequest(scp, cm_BkgStore, offset.LowPart, offset.HighPart,
4696                                 length, 0, userp, &req);
4697         }
4698
4699         osi_Log5(afsd_logp, "RDR_ProcessReleaseFileExtentsResult File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x Released %d",
4700                   Fid.cell, Fid.volume, Fid.vnode, Fid.unique, released);
4701
4702       cleanup_file:
4703         if (userp)
4704             cm_ReleaseUser(userp);
4705         if (scp)
4706             cm_ReleaseSCache(scp);
4707
4708         p = (char *)pFileCB;
4709         p += sizeof(AFSReleaseFileExtentsResultFileCB);
4710         p += sizeof(AFSFileExtentCB) * (pFileCB->ExtentCount - 1);
4711         pNextFileCB = (AFSReleaseFileExtentsResultFileCB *)p;
4712     }
4713
4714     if (total_extents == 0) {
4715         osi_Log0(afsd_logp, "RDR_ProcessReleaseFileExtentsResult is empty");
4716         code = CM_ERROR_RETRY;
4717     }
4718
4719     if (code)
4720         osi_Log1(afsd_logp, "RDR_ProcessReleaseFileExtentsResult FAILURE code=0x%x", code);
4721     else
4722         osi_Log1(afsd_logp, "RDR_ProcessReleaseFileExtentsResult DONE code=0x%x", code);
4723
4724     return code;
4725 }
4726
4727 DWORD
4728 RDR_ReleaseFailedSetFileExtents( IN cm_user_t *userp,
4729                                  IN AFSSetFileExtentsCB *SetFileExtentsResultCB,
4730                                  IN DWORD ResultBufferLength)
4731 {
4732     afs_uint32  code = 0;
4733     cm_req_t    req;
4734     unsigned int extentno;
4735     cm_fid_t         Fid;
4736     cm_scache_t *    scp = NULL;
4737     int              dirty = 0;
4738
4739     RDR_InitReq(&req, FALSE);
4740
4741     osi_Log4(afsd_logp, "RDR_ReleaseFailedSetFileExtents %d.%d.%d.%d",
4742               SetFileExtentsResultCB->FileId.Cell, SetFileExtentsResultCB->FileId.Volume,
4743               SetFileExtentsResultCB->FileId.Vnode, SetFileExtentsResultCB->FileId.Unique);
4744
4745     /* Process the release */
4746     Fid.cell = SetFileExtentsResultCB->FileId.Cell;
4747     Fid.volume = SetFileExtentsResultCB->FileId.Volume;
4748     Fid.vnode = SetFileExtentsResultCB->FileId.Vnode;
4749     Fid.unique = SetFileExtentsResultCB->FileId.Unique;
4750     Fid.hash = SetFileExtentsResultCB->FileId.Hash;
4751
4752     if (Fid.cell == 0) {
4753         osi_Log4(afsd_logp, "RDR_ReleaseFailedSetFile Invalid FID %d.%d.%d.%d",
4754                   Fid.cell, Fid.volume, Fid.vnode, Fid.unique);
4755         code = CM_ERROR_INVAL;
4756         goto cleanup_file;
4757     }
4758
4759     code = cm_GetSCache(&Fid, NULL, &scp, userp, &req);
4760     if (code) {
4761         osi_Log1(afsd_logp, "RDR_ReleaseFailedSetFileExtents cm_GetSCache FID failure code=0x%x",
4762                   code);
4763         /* Failure to find the cm_scache object cannot block return of the extents */
4764     }
4765
4766     for ( extentno = 0; extentno < SetFileExtentsResultCB->ExtentCount; extentno++ ) {
4767         osi_hyper_t thyper;
4768         cm_buf_t    *bufp;
4769         AFSFileExtentCB *pExtent = &SetFileExtentsResultCB->FileExtents[extentno];
4770
4771         thyper.QuadPart = pExtent->FileOffset.QuadPart;
4772
4773         bufp = buf_Find(&Fid, &thyper);
4774         if (bufp) {
4775             osi_Log5(afsd_logp, "RDR_ReleaseFailedSetFileExtents bufp 0x%p foffset 0x%x:%x coffset 0x%x:%x",
4776                       bufp, pExtent->FileOffset.HighPart, pExtent->FileOffset.LowPart,
4777                       pExtent->CacheOffset.HighPart, pExtent->CacheOffset.LowPart);
4778
4779             lock_ObtainMutex(&bufp->mx);
4780             if (bufp->qFlags & CM_BUF_QREDIR) {
4781                 lock_ObtainWrite(&buf_globalLock);
4782                 if (bufp->qFlags & CM_BUF_QREDIR) {
4783                     buf_RemoveFromRedirQueue(scp, bufp);
4784                     buf_ReleaseLocked(bufp, TRUE);
4785                 }
4786                 lock_ReleaseWrite(&buf_globalLock);
4787             }
4788             lock_ReleaseMutex(&bufp->mx);
4789             buf_Release(bufp);
4790         }
4791     }
4792
4793   cleanup_file:
4794     if (userp)
4795         cm_ReleaseUser(userp);
4796     if (scp)
4797         cm_ReleaseSCache(scp);
4798
4799     osi_Log1(afsd_logp, "RDR_ReleaseFailedSetFileExtents DONE code=0x%x", code);
4800     return code;
4801 }
4802
4803 void
4804 RDR_PioctlOpen( IN cm_user_t *userp,
4805                 IN AFSFileID  ParentId,
4806                 IN AFSPIOCtlOpenCloseRequestCB *pPioctlCB,
4807                 IN BOOL bWow64,
4808                 IN DWORD ResultBufferLength,
4809                 IN OUT AFSCommResult **ResultCB)
4810 {
4811     cm_fid_t    ParentFid;
4812     cm_fid_t    RootFid;
4813     cm_req_t    req;
4814
4815     RDR_InitReq(&req, bWow64);
4816
4817     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult));
4818     if (!(*ResultCB))
4819         return;
4820
4821     memset( *ResultCB,
4822             '\0',
4823             sizeof( AFSCommResult));
4824
4825     /* Get the active directory */
4826     ParentFid.cell = ParentId.Cell;
4827     ParentFid.volume = ParentId.Volume;
4828     ParentFid.vnode = ParentId.Vnode;
4829     ParentFid.unique = ParentId.Unique;
4830     ParentFid.hash = ParentId.Hash;
4831
4832     /* Get the root directory */
4833     RootFid.cell = pPioctlCB->RootId.Cell;
4834     RootFid.volume = pPioctlCB->RootId.Volume;
4835     RootFid.vnode = pPioctlCB->RootId.Vnode;
4836     RootFid.unique = pPioctlCB->RootId.Unique;
4837     RootFid.hash = pPioctlCB->RootId.Hash;
4838
4839     /* Create the pioctl index */
4840     RDR_SetupIoctl(pPioctlCB->RequestId, &ParentFid, &RootFid, userp, &req);
4841
4842     return;
4843 }
4844
4845
4846 void
4847 RDR_PioctlClose( IN cm_user_t *userp,
4848                  IN AFSFileID  ParentId,
4849                  IN AFSPIOCtlOpenCloseRequestCB *pPioctlCB,
4850                  IN BOOL bWow64,
4851                  IN DWORD ResultBufferLength,
4852                  IN OUT AFSCommResult **ResultCB)
4853 {
4854     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult));
4855     if (!(*ResultCB))
4856         return;
4857
4858     memset( *ResultCB,
4859             '\0',
4860             sizeof( AFSCommResult));
4861
4862     /* Cleanup the pioctl index */
4863     RDR_CleanupIoctl(pPioctlCB->RequestId);
4864
4865     return;
4866 }
4867
4868
4869 void
4870 RDR_PioctlWrite( IN cm_user_t *userp,
4871                  IN AFSFileID  ParentId,
4872                  IN AFSPIOCtlIORequestCB *pPioctlCB,
4873                  IN BOOL bWow64,
4874                  IN DWORD ResultBufferLength,
4875                  IN OUT AFSCommResult **ResultCB)
4876 {
4877     AFSPIOCtlIOResultCB *pResultCB;
4878     cm_scache_t *dscp = NULL;
4879     afs_uint32  code;
4880     cm_req_t    req;
4881     DWORD       status;
4882
4883     RDR_InitReq(&req, bWow64);
4884
4885     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult) + sizeof(AFSPIOCtlIOResultCB));
4886     if (!(*ResultCB))
4887         return;
4888
4889     memset( *ResultCB,
4890             '\0',
4891             sizeof( AFSCommResult) + sizeof(AFSPIOCtlIOResultCB));
4892
4893     pResultCB = (AFSPIOCtlIOResultCB *)(*ResultCB)->ResultData;
4894
4895     code = RDR_IoctlWrite(userp, pPioctlCB->RequestId, pPioctlCB->BufferLength, pPioctlCB->MappedBuffer);
4896     if (code) {
4897         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
4898         (*ResultCB)->ResultStatus = status;
4899         return;
4900     }
4901
4902     pResultCB->BytesProcessed = pPioctlCB->BufferLength;
4903     (*ResultCB)->ResultBufferLength = sizeof( AFSPIOCtlIOResultCB);
4904 }
4905
4906 void
4907 RDR_PioctlRead( IN cm_user_t *userp,
4908                 IN AFSFileID  ParentId,
4909                 IN AFSPIOCtlIORequestCB *pPioctlCB,
4910                 IN BOOL bWow64,
4911                 IN BOOL bIsLocalSystem,
4912                 IN DWORD ResultBufferLength,
4913                 IN OUT AFSCommResult **ResultCB)
4914 {
4915     AFSPIOCtlIOResultCB *pResultCB;
4916     cm_scache_t *dscp = NULL;
4917     afs_uint32  code;
4918     cm_req_t    req;
4919     DWORD       status;
4920     afs_uint32  pflags = (bIsLocalSystem ? AFSCALL_FLAG_LOCAL_SYSTEM : 0);
4921
4922     RDR_InitReq(&req, bWow64);
4923
4924     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult) + sizeof(AFSPIOCtlIOResultCB));
4925     if (!(*ResultCB))
4926         return;
4927
4928     memset( *ResultCB,
4929             '\0',
4930             sizeof( AFSCommResult) + sizeof(AFSPIOCtlIOResultCB));
4931
4932     pResultCB = (AFSPIOCtlIOResultCB *)(*ResultCB)->ResultData;
4933
4934     code = RDR_IoctlRead(userp, pPioctlCB->RequestId, pPioctlCB->BufferLength, pPioctlCB->MappedBuffer,
4935                          &pResultCB->BytesProcessed, pflags);
4936     if (code) {
4937         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
4938         (*ResultCB)->ResultStatus = status;
4939         return;
4940     }
4941
4942     (*ResultCB)->ResultBufferLength = sizeof( AFSPIOCtlIOResultCB);
4943 }
4944
4945 void
4946 RDR_ByteRangeLockSync( IN cm_user_t     *userp,
4947                        IN AFSFileID     FileId,
4948                        IN AFSByteRangeLockRequestCB *pBRLRequestCB,
4949                        IN BOOL bWow64,
4950                        IN DWORD ResultBufferLength,
4951                        IN OUT AFSCommResult **ResultCB)
4952 {
4953     AFSByteRangeLockResultCB *pResultCB = NULL;
4954     LARGE_INTEGER ProcessId;
4955     DWORD       Length;
4956     cm_scache_t *scp = NULL;
4957     cm_fid_t    Fid;
4958     afs_uint32  code;
4959     cm_req_t    req;
4960     cm_key_t    key;
4961     DWORD       i;
4962     DWORD       status;
4963
4964     ProcessId.QuadPart = pBRLRequestCB->ProcessId;
4965
4966     RDR_InitReq(&req, bWow64);
4967
4968     osi_Log4(afsd_logp, "RDR_ByteRangeLockSync File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
4969               FileId.Cell, FileId.Volume,
4970               FileId.Vnode, FileId.Unique);
4971     osi_Log2(afsd_logp, "... ProcessId 0x%x:%x",
4972              ProcessId.HighPart, ProcessId.LowPart);
4973
4974     Length = sizeof( AFSByteRangeLockResultCB) + ((pBRLRequestCB->Count - 1) * sizeof(AFSByteRangeLockResult));
4975     if (Length > ResultBufferLength) {
4976         *ResultCB = (AFSCommResult *)malloc(sizeof(AFSCommResult));
4977         if (!(*ResultCB))
4978             return;
4979         memset( *ResultCB, 0, sizeof(AFSCommResult));
4980         (*ResultCB)->ResultStatus = STATUS_BUFFER_OVERFLOW;
4981         return;
4982     }
4983
4984     *ResultCB = (AFSCommResult *)malloc( Length + sizeof( AFSCommResult) );
4985     if (!(*ResultCB))
4986         return;
4987     memset( *ResultCB, '\0', Length + sizeof( AFSCommResult) );
4988     (*ResultCB)->ResultBufferLength = Length;
4989
4990     pResultCB = (AFSByteRangeLockResultCB *)(*ResultCB)->ResultData;
4991     pResultCB->FileId = FileId;
4992     pResultCB->Count = pBRLRequestCB->Count;
4993
4994     /* Allocate the extents from the buffer package */
4995     Fid.cell = FileId.Cell;
4996     Fid.volume = FileId.Volume;
4997     Fid.vnode = FileId.Vnode;
4998     Fid.unique = FileId.Unique;
4999     Fid.hash = FileId.Hash;
5000
5001     code = cm_GetSCache(&Fid, NULL, &scp, userp, &req);
5002     if (code) {
5003         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
5004         (*ResultCB)->ResultStatus = status;
5005         (*ResultCB)->ResultBufferLength = 0;
5006         osi_Log2(afsd_logp, "RDR_ByteRangeLockSync cm_GetSCache FID failure code=0x%x status=0x%x",
5007                   code, status);
5008         return;
5009     }
5010
5011     lock_ObtainWrite(&scp->rw);
5012
5013     /* start by looking up the file's end */
5014     code = cm_SyncOp(scp, NULL, userp, &req, 0,
5015                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
5016     if (code) {
5017         lock_ReleaseWrite(&scp->rw);
5018         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
5019         (*ResultCB)->ResultStatus = status;
5020         (*ResultCB)->ResultBufferLength = 0;
5021         osi_Log3(afsd_logp, "RDR_ByteRangeLockSync cm_SyncOp failure scp=0x%p code=0x%x status=0x%x",
5022                  scp, code, status);
5023         return;
5024     }
5025
5026     /* the scp is now locked and current */
5027     key = cm_GenerateKey(CM_SESSION_IFS, ProcessId.QuadPart, 0);
5028
5029     for ( i=0; i<pBRLRequestCB->Count; i++ ) {
5030         pResultCB->Result[i].LockType = pBRLRequestCB->Request[i].LockType;
5031         pResultCB->Result[i].Offset = pBRLRequestCB->Request[i].Offset;
5032         pResultCB->Result[i].Length = pBRLRequestCB->Request[i].Length;
5033
5034         code = cm_Lock(scp,
5035                        pBRLRequestCB->Request[i].LockType == AFS_BYTE_RANGE_LOCK_TYPE_SHARED,
5036                        pBRLRequestCB->Request[i].Offset,
5037                        pBRLRequestCB->Request[i].Length,
5038                        key, 0, userp, &req, NULL);
5039
5040         if (code) {
5041             osi_Log4(afsd_logp, "RDR_ByteRangeLockSync FAILURE code 0x%x type 0x%u offset 0x%x:%x",
5042                      code,
5043                      pBRLRequestCB->Request[i].LockType,
5044                      pBRLRequestCB->Request[i].Offset.HighPart,
5045                      pBRLRequestCB->Request[i].Offset.LowPart);
5046             osi_Log2(afsd_logp, "... length 0x%x:%x",
5047                      pBRLRequestCB->Request[i].Length.HighPart,
5048                      pBRLRequestCB->Request[i].Length.LowPart);
5049         }
5050
5051         switch (code) {
5052         case 0:
5053             pResultCB->Result[i].Status = 0;
5054             break;
5055         case CM_ERROR_WOULDBLOCK:
5056             pResultCB->Result[i].Status = STATUS_FILE_LOCK_CONFLICT;
5057             break;
5058         default:
5059             pResultCB->Result[i].Status = STATUS_LOCK_NOT_GRANTED;
5060         }
5061     }
5062
5063     cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
5064     lock_ReleaseWrite(&scp->rw);
5065     cm_ReleaseSCache(scp);
5066
5067     (*ResultCB)->ResultStatus = 0;
5068     osi_Log0(afsd_logp, "RDR_ByteRangeLockSync SUCCESS");
5069     return;
5070 }
5071
5072 void
5073 RDR_ByteRangeUnlock( IN cm_user_t     *userp,
5074                      IN AFSFileID     FileId,
5075                      IN AFSByteRangeUnlockRequestCB *pBRURequestCB,
5076                      IN BOOL bWow64,
5077                      IN DWORD ResultBufferLength,
5078                      IN OUT AFSCommResult **ResultCB)
5079 {
5080     AFSByteRangeUnlockResultCB *pResultCB = NULL;
5081     LARGE_INTEGER ProcessId;
5082     DWORD       Length;
5083     cm_scache_t *scp = NULL;
5084     cm_fid_t    Fid;
5085     afs_uint32  code;
5086     cm_req_t    req;
5087     cm_key_t    key;
5088     DWORD       i;
5089     DWORD       status;
5090
5091     ProcessId.QuadPart = pBRURequestCB->ProcessId;
5092
5093     RDR_InitReq(&req, bWow64);
5094
5095     osi_Log4(afsd_logp, "RDR_ByteRangeUnlock File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
5096               FileId.Cell, FileId.Volume,
5097               FileId.Vnode, FileId.Unique);
5098     osi_Log2(afsd_logp, "... ProcessId 0x%x:%x",
5099              ProcessId.HighPart, ProcessId.LowPart);
5100
5101     Length = sizeof( AFSByteRangeUnlockResultCB) + ((pBRURequestCB->Count - 1) * sizeof(AFSByteRangeLockResult));
5102     if (Length > ResultBufferLength) {
5103         *ResultCB = (AFSCommResult *)malloc(sizeof(AFSCommResult));
5104         if (!(*ResultCB))
5105             return;
5106         memset( *ResultCB, 0, sizeof(AFSCommResult));
5107         (*ResultCB)->ResultStatus = STATUS_BUFFER_OVERFLOW;
5108         return;
5109     }
5110
5111     *ResultCB = (AFSCommResult *)malloc( Length + sizeof( AFSCommResult) );
5112     if (!(*ResultCB))
5113         return;
5114     memset( *ResultCB, '\0', Length + sizeof( AFSCommResult) );
5115     (*ResultCB)->ResultBufferLength = Length;
5116
5117     pResultCB = (AFSByteRangeUnlockResultCB *)(*ResultCB)->ResultData;
5118     pResultCB->Count = pBRURequestCB->Count;
5119
5120     /* Allocate the extents from the buffer package */
5121     Fid.cell = FileId.Cell;
5122     Fid.volume = FileId.Volume;
5123     Fid.vnode = FileId.Vnode;
5124     Fid.unique = FileId.Unique;
5125     Fid.hash = FileId.Hash;
5126
5127     code = cm_GetSCache(&Fid, NULL, &scp, userp, &req);
5128     if (code) {
5129         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
5130         (*ResultCB)->ResultStatus = status;
5131         (*ResultCB)->ResultBufferLength = 0;
5132         osi_Log2(afsd_logp, "RDR_ByteRangeUnlock cm_GetSCache FID failure code=0x%x status=0x%x",
5133                   code, status);
5134         return;
5135     }
5136
5137     lock_ObtainWrite(&scp->rw);
5138
5139     /* start by looking up the file's end */
5140     code = cm_SyncOp(scp, NULL, userp, &req, 0,
5141                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
5142     if (code) {
5143         lock_ReleaseWrite(&scp->rw);
5144         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
5145         (*ResultCB)->ResultStatus = status;
5146         (*ResultCB)->ResultBufferLength = 0;
5147         osi_Log3(afsd_logp, "RDR_ByteRangeUnlock cm_SyncOp failure scp=0x%p code=0x%x status=0x%x",
5148                  scp, code, status);
5149         return;
5150     }
5151
5152     /* the scp is now locked and current */
5153     key = cm_GenerateKey(CM_SESSION_IFS, ProcessId.QuadPart, 0);
5154
5155     for ( i=0; i<pBRURequestCB->Count; i++ ) {
5156         pResultCB->Result[i].LockType = pBRURequestCB->Request[i].LockType;
5157         pResultCB->Result[i].Offset = pBRURequestCB->Request[i].Offset;
5158         pResultCB->Result[i].Length = pBRURequestCB->Request[i].Length;
5159
5160         code = cm_Unlock(scp,
5161                          pBRURequestCB->Request[i].LockType == AFS_BYTE_RANGE_LOCK_TYPE_SHARED,
5162                          pBRURequestCB->Request[i].Offset,
5163                          pBRURequestCB->Request[i].Length,
5164                          key, CM_UNLOCK_FLAG_MATCH_RANGE, userp, &req);
5165
5166         if (code) {
5167             osi_Log4(afsd_logp, "RDR_ByteRangeUnlock FAILURE code 0x%x type 0x%u offset 0x%x:%x",
5168                      code, pBRURequestCB->Request[i].LockType,
5169                      pBRURequestCB->Request[i].Offset.HighPart,
5170                      pBRURequestCB->Request[i].Offset.LowPart);
5171             osi_Log2(afsd_logp, "... length 0x%x:%x",
5172                      pBRURequestCB->Request[i].Length.HighPart,
5173                      pBRURequestCB->Request[i].Length.LowPart);
5174         }
5175         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
5176         pResultCB->Result[i].Status = status;
5177     }
5178
5179     cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
5180     lock_ReleaseWrite(&scp->rw);
5181     cm_ReleaseSCache(scp);
5182
5183     (*ResultCB)->ResultStatus = 0;
5184     osi_Log0(afsd_logp, "RDR_ByteRangeUnlock SUCCESS");
5185     return;
5186 }
5187
5188 void
5189 RDR_ByteRangeUnlockAll( IN cm_user_t     *userp,
5190                         IN AFSFileID     FileId,
5191                         IN AFSByteRangeUnlockRequestCB *pBRURequestCB,
5192                         IN BOOL bWow64,
5193                         IN DWORD ResultBufferLength,
5194                         IN OUT AFSCommResult **ResultCB)
5195 {
5196     AFSByteRangeUnlockResultCB *pResultCB = NULL;
5197     LARGE_INTEGER ProcessId;
5198     cm_scache_t *scp = NULL;
5199     cm_fid_t    Fid;
5200     afs_uint32  code;
5201     cm_req_t    req;
5202     cm_key_t    key;
5203     DWORD       status;
5204
5205     ProcessId.QuadPart = pBRURequestCB->ProcessId;
5206
5207     RDR_InitReq(&req, bWow64);
5208
5209     osi_Log4(afsd_logp, "RDR_ByteRangeUnlockAll File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
5210               FileId.Cell, FileId.Volume,
5211               FileId.Vnode, FileId.Unique);
5212     osi_Log2(afsd_logp, "... ProcessId 0x%x:%x",
5213              ProcessId.HighPart, ProcessId.LowPart);
5214
5215     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult));
5216     if (!(*ResultCB))
5217         return;
5218     memset( *ResultCB, '\0', sizeof( AFSCommResult));
5219     (*ResultCB)->ResultBufferLength = 0;
5220
5221     /* Allocate the extents from the buffer package */
5222     Fid.cell = FileId.Cell;
5223     Fid.volume = FileId.Volume;
5224     Fid.vnode = FileId.Vnode;
5225     Fid.unique = FileId.Unique;
5226     Fid.hash = FileId.Hash;
5227
5228     code = cm_GetSCache(&Fid, NULL, &scp, userp, &req);
5229     if (code) {
5230         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
5231         (*ResultCB)->ResultStatus = status;
5232         (*ResultCB)->ResultBufferLength = 0;
5233         osi_Log2(afsd_logp, "RDR_ByteRangeUnlockAll cm_GetSCache FID failure code=0x%x status=0x%x",
5234                   code, status);
5235         return;
5236     }
5237
5238     lock_ObtainWrite(&scp->rw);
5239
5240     /* start by looking up the file's end */
5241     code = cm_SyncOp(scp, NULL, userp, &req, 0,
5242                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
5243     if (code) {
5244         lock_ReleaseWrite(&scp->rw);
5245         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
5246         (*ResultCB)->ResultStatus = status;
5247         (*ResultCB)->ResultBufferLength = 0;
5248         osi_Log3(afsd_logp, "RDR_ByteRangeUnlockAll cm_SyncOp failure scp=0x%p code=0x%x status=0x%x",
5249                  scp, code, status);
5250         return;
5251     }
5252
5253     /* the scp is now locked and current */
5254     key = cm_GenerateKey(CM_SESSION_IFS, ProcessId.QuadPart, 0);
5255
5256     code = cm_UnlockByKey(scp, key, 0, userp, &req);
5257
5258     cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
5259     lock_ReleaseWrite(&scp->rw);
5260     cm_ReleaseSCache(scp);
5261
5262     smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
5263     (*ResultCB)->ResultStatus = status;
5264
5265     if (code)
5266         osi_Log1(afsd_logp, "RDR_ByteRangeUnlockAll FAILURE code 0x%x", code);
5267     else
5268         osi_Log0(afsd_logp, "RDR_ByteRangeUnlockAll SUCCESS");
5269     return;
5270
5271 }
5272
5273 void
5274 RDR_GetVolumeInfo( IN cm_user_t     *userp,
5275                    IN AFSFileID     FileId,
5276                    IN BOOL bWow64,
5277                    IN DWORD ResultBufferLength,
5278                    IN OUT AFSCommResult **ResultCB)
5279 {
5280     AFSVolumeInfoCB *pResultCB = NULL;
5281     DWORD       Length;
5282     cm_scache_t *scp = NULL;
5283     cm_volume_t *volp = NULL;
5284     afs_uint32   volType;
5285     cm_cell_t   *cellp = NULL;
5286     cm_fid_t    Fid;
5287     afs_uint32  code;
5288     cm_req_t    req;
5289     DWORD       status;
5290     FILETIME ft = {0x832cf000, 0x01abfcc4}; /* October 1, 1982 00:00:00 +0600 */
5291
5292     char volName[32]="(unknown)";
5293     char offLineMsg[256]="server temporarily inaccessible";
5294     char motd[256]="server temporarily inaccessible";
5295     cm_conn_t *connp;
5296     AFSFetchVolumeStatus volStat;
5297     char *Name;
5298     char *OfflineMsg;
5299     char *MOTD;
5300     struct rx_connection * rxconnp;
5301     int sync_done = 0;
5302     int scp_locked = 0;
5303
5304     RDR_InitReq(&req, bWow64);
5305
5306     osi_Log4(afsd_logp, "RDR_GetVolumeInfo File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
5307              FileId.Cell, FileId.Volume,
5308              FileId.Vnode, FileId.Unique);
5309
5310     Length = sizeof( AFSCommResult) + sizeof(AFSVolumeInfoCB);
5311     if (sizeof(AFSVolumeInfoCB) > ResultBufferLength) {
5312         *ResultCB = (AFSCommResult *)malloc(sizeof(AFSCommResult) );
5313         if (!(*ResultCB))
5314             return;
5315         memset( *ResultCB, 0, sizeof(AFSCommResult));
5316         (*ResultCB)->ResultStatus = STATUS_BUFFER_OVERFLOW;
5317         return;
5318     }
5319
5320     *ResultCB = (AFSCommResult *)malloc( Length );
5321     if (!(*ResultCB))
5322         return;
5323     memset( *ResultCB, '\0', Length );
5324     (*ResultCB)->ResultBufferLength = sizeof(AFSVolumeInfoCB);
5325     pResultCB = (AFSVolumeInfoCB *)(*ResultCB)->ResultData;
5326
5327     if (FileId.Cell != 0) {
5328         cm_SetFid(&Fid, FileId.Cell, FileId.Volume, 1, 1);
5329         code = cm_GetSCache(&Fid, NULL, &scp, userp, &req);
5330         if (code) {
5331             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
5332             (*ResultCB)->ResultStatus = status;
5333             (*ResultCB)->ResultBufferLength = 0;
5334             osi_Log2(afsd_logp, "RDR_GetVolumeInfo cm_GetSCache FID failure code=0x%x status=0x%x",
5335                       code, status);
5336             return;
5337         }
5338     } else {
5339         (*ResultCB)->ResultStatus = STATUS_OBJECT_NAME_INVALID;
5340         osi_Log0(afsd_logp, "RDR_GetVolumeInfo Object Name Invalid - Cell = 0");
5341         return;
5342     }
5343     lock_ObtainWrite(&scp->rw);
5344     scp_locked = 1;
5345
5346     pResultCB->SectorsPerAllocationUnit = 1;
5347     pResultCB->BytesPerSector = 1024;
5348
5349     pResultCB->CellID = scp->fid.cell;
5350     pResultCB->VolumeID = scp->fid.volume;
5351     pResultCB->Characteristics = FILE_REMOTE_DEVICE;
5352     pResultCB->FileSystemAttributes = FILE_CASE_PRESERVED_NAMES | FILE_UNICODE_ON_DISK |
5353         FILE_SUPPORTS_HARD_LINKS | FILE_SUPPORTS_REPARSE_POINTS;
5354
5355     if (scp->fid.cell==AFS_FAKE_ROOT_CELL_ID &&
5356          scp->fid.volume==AFS_FAKE_ROOT_VOL_ID)
5357     {
5358         pResultCB->TotalAllocationUnits.QuadPart = 100;
5359         memcpy(&pResultCB->VolumeCreationTime, &ft, sizeof(ft));
5360
5361         pResultCB->AvailableAllocationUnits.QuadPart = 0;
5362         pResultCB->Characteristics |= FILE_READ_ONLY_DEVICE;
5363
5364         pResultCB->VolumeLabelLength = cm_Utf8ToUtf16( "Freelance.Local.Root", -1, pResultCB->VolumeLabel,
5365                                                        (sizeof(pResultCB->VolumeLabel) / sizeof(WCHAR)) + 1);
5366         if ( pResultCB->VolumeLabelLength )
5367             pResultCB->VolumeLabelLength--;
5368     } else {
5369         memcpy(&pResultCB->VolumeCreationTime, &ft, sizeof(ft));
5370
5371         volp = cm_GetVolumeByFID(&scp->fid);
5372         if (!volp) {
5373             code = CM_ERROR_NOSUCHVOLUME;
5374             goto _done;
5375         }
5376         volType = cm_VolumeType(volp, scp->fid.volume);
5377
5378         pResultCB->Characteristics |= ((volType == ROVOL || volType == BACKVOL) ? FILE_READ_ONLY_DEVICE : 0);
5379
5380         code = cm_SyncOp(scp, NULL, userp, &req, PRSFS_READ,
5381                          CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
5382         if (code == 0)
5383         {
5384             sync_done = 1;
5385
5386             Name = volName;
5387             OfflineMsg = offLineMsg;
5388             MOTD = motd;
5389             lock_ReleaseWrite(&scp->rw);
5390             scp_locked = 0;
5391
5392             do {
5393                 code = cm_ConnFromFID(&scp->fid, userp, &req, &connp);
5394                 if (code) continue;
5395
5396                 rxconnp = cm_GetRxConn(connp);
5397                 code = RXAFS_GetVolumeStatus(rxconnp, scp->fid.volume,
5398                                               &volStat, &Name, &OfflineMsg, &MOTD);
5399                 rx_PutConnection(rxconnp);
5400
5401             } while (cm_Analyze(connp, userp, &req, &scp->fid, NULL, 0, NULL, NULL, NULL, NULL, code));
5402             code = cm_MapRPCError(code, &req);
5403         }
5404
5405         if (code == 0) {
5406             if (volStat.MaxQuota)
5407             {
5408                 pResultCB->TotalAllocationUnits.QuadPart = volStat.MaxQuota;
5409                 if (volType == ROVOL || volType == BACKVOL) {
5410                     pResultCB->AvailableAllocationUnits.QuadPart = 0;
5411                 }
5412                 else
5413                 {
5414                     pResultCB->AvailableAllocationUnits.QuadPart =
5415                         min(volStat.MaxQuota - volStat.BlocksInUse, volStat.PartBlocksAvail);
5416                 }
5417             }
5418             else
5419             {
5420                 pResultCB->TotalAllocationUnits.QuadPart = volStat.PartMaxBlocks;
5421                 if (volType == ROVOL || volType == BACKVOL) {
5422                     pResultCB->AvailableAllocationUnits.QuadPart = 0;
5423                 }
5424                 else
5425                 {
5426                     pResultCB->AvailableAllocationUnits.QuadPart = volStat.PartBlocksAvail;
5427                 }
5428             }
5429         } else {
5430             /*
5431              * Lie about the available space.  Out of quota errors will need
5432              * detected when the file server rejects the store data.
5433              */
5434             pResultCB->TotalAllocationUnits.QuadPart = 0x7FFFFFFF;
5435             pResultCB->AvailableAllocationUnits.QuadPart = (volType == ROVOL || volType == BACKVOL) ? 0 : 0x3F000000;
5436             code = 0;
5437         }
5438
5439         pResultCB->VolumeLabelLength = cm_Utf8ToUtf16( volp->namep, -1, pResultCB->VolumeLabel,
5440                                                        (sizeof(pResultCB->VolumeLabel) / sizeof(WCHAR)) + 1);
5441         if ( pResultCB->VolumeLabelLength )
5442             pResultCB->VolumeLabelLength--;
5443
5444         if (sync_done) {
5445             if (!scp_locked) {
5446                 lock_ObtainWrite(&scp->rw);
5447                 scp_locked = 1;
5448             }
5449             cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
5450         }
5451     }
5452     pResultCB->VolumeLabelLength *= sizeof(WCHAR);  /* convert to bytes from chars */
5453
5454   _done:
5455     if (scp_locked)
5456         lock_ReleaseWrite(&scp->rw);
5457     if (volp)
5458        cm_PutVolume(volp);
5459     cm_ReleaseSCache(scp);
5460
5461     smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
5462     (*ResultCB)->ResultStatus = status;
5463     osi_Log0(afsd_logp, "RDR_GetVolumeInfo SUCCESS");
5464     return;
5465 }
5466
5467 void
5468 RDR_GetVolumeSizeInfo( IN cm_user_t     *userp,
5469                    IN AFSFileID     FileId,
5470                    IN BOOL bWow64,
5471                    IN DWORD ResultBufferLength,
5472                    IN OUT AFSCommResult **ResultCB)
5473 {
5474     AFSVolumeSizeInfoCB *pResultCB = NULL;
5475     DWORD       Length;
5476     cm_scache_t *scp = NULL;
5477     cm_volume_t *volp = NULL;
5478     afs_uint32   volType;
5479     cm_cell_t   *cellp = NULL;
5480     cm_fid_t    Fid;
5481     afs_uint32  code;
5482     cm_req_t    req;
5483     DWORD       status;
5484
5485     char volName[32]="(unknown)";
5486     char offLineMsg[256]="server temporarily inaccessible";
5487     char motd[256]="server temporarily inaccessible";
5488     cm_conn_t *connp;
5489     AFSFetchVolumeStatus volStat;
5490     char *Name;
5491     char *OfflineMsg;
5492     char *MOTD;
5493     struct rx_connection * rxconnp;
5494     int sync_done = 0;
5495     int scp_locked = 0;
5496
5497     RDR_InitReq(&req, bWow64);
5498
5499     osi_Log4(afsd_logp, "RDR_GetVolumeSizeInfo File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
5500              FileId.Cell, FileId.Volume,
5501              FileId.Vnode, FileId.Unique);
5502
5503     Length = sizeof( AFSCommResult) + sizeof(AFSVolumeSizeInfoCB);
5504     if (sizeof(AFSVolumeSizeInfoCB) > ResultBufferLength) {
5505         *ResultCB = (AFSCommResult *)malloc(sizeof(AFSCommResult) );
5506         if (!(*ResultCB))
5507             return;
5508         memset( *ResultCB, 0, sizeof(AFSCommResult));
5509         (*ResultCB)->ResultStatus = STATUS_BUFFER_OVERFLOW;
5510         return;
5511     }
5512
5513     *ResultCB = (AFSCommResult *)malloc( Length );
5514     if (!(*ResultCB))
5515         return;
5516     memset( *ResultCB, '\0', Length );
5517     (*ResultCB)->ResultBufferLength = sizeof(AFSVolumeSizeInfoCB);
5518     pResultCB = (AFSVolumeSizeInfoCB *)(*ResultCB)->ResultData;
5519
5520     if (FileId.Cell != 0) {
5521         cm_SetFid(&Fid, FileId.Cell, FileId.Volume, 1, 1);
5522         code = cm_GetSCache(&Fid, NULL, &scp, userp, &req);
5523         if (code) {
5524             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
5525             (*ResultCB)->ResultStatus = status;
5526             (*ResultCB)->ResultBufferLength = 0;
5527             osi_Log2(afsd_logp, "RDR_GetVolumeSizeInfo cm_GetSCache FID failure code=0x%x status=0x%x",
5528                       code, status);
5529             return;
5530         }
5531     } else {
5532         (*ResultCB)->ResultStatus = STATUS_OBJECT_NAME_INVALID;
5533         osi_Log0(afsd_logp, "RDR_GetVolumeSizeInfo Object Name Invalid - Cell = 0");
5534         return;
5535     }
5536     lock_ObtainWrite(&scp->rw);
5537     scp_locked = 1;
5538
5539     pResultCB->SectorsPerAllocationUnit = 1;
5540     pResultCB->BytesPerSector = 1024;
5541
5542     if (scp->fid.cell==AFS_FAKE_ROOT_CELL_ID &&
5543         scp->fid.volume==AFS_FAKE_ROOT_VOL_ID)
5544     {
5545         pResultCB->TotalAllocationUnits.QuadPart = 100;
5546         pResultCB->AvailableAllocationUnits.QuadPart = 0;
5547     } else {
5548         volp = cm_GetVolumeByFID(&scp->fid);
5549         if (!volp) {
5550             code = CM_ERROR_NOSUCHVOLUME;
5551             goto _done;
5552         }
5553
5554         volType = cm_VolumeType(volp, scp->fid.volume);
5555
5556         code = cm_SyncOp(scp, NULL, userp, &req, PRSFS_READ,
5557                          CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
5558         if (code == 0)
5559         {
5560             sync_done = 1;
5561
5562             Name = volName;
5563             OfflineMsg = offLineMsg;
5564             MOTD = motd;
5565             lock_ReleaseWrite(&scp->rw);
5566             scp_locked = 0;
5567
5568             do {
5569                 code = cm_ConnFromFID(&scp->fid, userp, &req, &connp);
5570                 if (code) continue;
5571
5572                 rxconnp = cm_GetRxConn(connp);
5573                 code = RXAFS_GetVolumeStatus(rxconnp, scp->fid.volume,
5574                                               &volStat, &Name, &OfflineMsg, &MOTD);
5575                 rx_PutConnection(rxconnp);
5576
5577             } while (cm_Analyze(connp, userp, &req, &scp->fid, NULL, 0, NULL, NULL, NULL, NULL, code));
5578             code = cm_MapRPCError(code, &req);
5579         }
5580
5581         if (code == 0) {
5582             if (volStat.MaxQuota)
5583             {
5584                 pResultCB->TotalAllocationUnits.QuadPart = volStat.MaxQuota;
5585                 if (volType == ROVOL || volType == BACKVOL) {
5586                     pResultCB->AvailableAllocationUnits.QuadPart = 0;
5587                 }
5588                 else
5589                 {
5590                     pResultCB->AvailableAllocationUnits.QuadPart =
5591                         min(volStat.MaxQuota - volStat.BlocksInUse, volStat.PartBlocksAvail);
5592                 }
5593             }
5594             else
5595             {
5596                 pResultCB->TotalAllocationUnits.QuadPart = volStat.PartMaxBlocks;
5597                 if (volType == ROVOL || volType == BACKVOL) {
5598                     pResultCB->AvailableAllocationUnits.QuadPart = 0;
5599                 }
5600                 else
5601                 {
5602                     pResultCB->AvailableAllocationUnits.QuadPart = volStat.PartBlocksAvail;
5603                 }
5604             }
5605         } else {
5606             /*
5607              * Lie about the available space.  Out of quota errors will need
5608              * detected when the file server rejects the store data.
5609              */
5610             pResultCB->TotalAllocationUnits.QuadPart = 0x7FFFFFFF;
5611             pResultCB->AvailableAllocationUnits.QuadPart = (volType == ROVOL || volType == BACKVOL) ? 0 : 0x3F000000;
5612             code = 0;
5613         }
5614
5615         if (sync_done) {
5616             if (!scp_locked) {
5617                 lock_ObtainWrite(&scp->rw);
5618                 scp_locked = 1;
5619             }
5620             cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
5621         }
5622     }
5623
5624   _done:
5625     if (scp_locked)
5626         lock_ReleaseWrite(&scp->rw);
5627     if (volp)
5628        cm_PutVolume(volp);
5629     cm_ReleaseSCache(scp);
5630
5631     smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
5632     (*ResultCB)->ResultStatus = status;
5633     osi_Log0(afsd_logp, "RDR_GetVolumeSizeInfo SUCCESS");
5634     return;
5635 }
5636
5637 void
5638 RDR_HoldFid( IN cm_user_t     *userp,
5639              IN AFSHoldFidRequestCB * pHoldFidCB,
5640              IN BOOL bFast,
5641              IN DWORD ResultBufferLength,
5642              IN OUT AFSCommResult **ResultCB)
5643 {
5644     AFSHoldFidResultCB *pResultCB = NULL;
5645     DWORD       index;
5646     DWORD       Length;
5647     cm_req_t    req;
5648
5649     RDR_InitReq(&req, FALSE);
5650
5651     osi_Log1(afsd_logp, "RDR_HoldFid Count=%u", pHoldFidCB->Count);
5652
5653     Length = sizeof(AFSHoldFidResultCB) + (pHoldFidCB->Count-1) * sizeof(AFSFidResult);
5654     if (Length > ResultBufferLength) {
5655         *ResultCB = (AFSCommResult *)malloc(sizeof(AFSCommResult) );
5656         if (!(*ResultCB))
5657             return;
5658         memset( *ResultCB, 0, sizeof(AFSCommResult));
5659         (*ResultCB)->ResultStatus = STATUS_BUFFER_OVERFLOW;
5660         return;
5661     }
5662     *ResultCB = (AFSCommResult *)malloc( Length + sizeof( AFSCommResult) );
5663     if (!(*ResultCB))
5664         return;
5665     memset( *ResultCB, '\0', Length );
5666     (*ResultCB)->ResultBufferLength = Length;
5667     pResultCB = (AFSHoldFidResultCB *)(*ResultCB)->ResultData;
5668
5669     for ( index = 0; index < pHoldFidCB->Count; index++ )
5670     {
5671         cm_scache_t *scp = NULL;
5672         cm_fid_t    Fid;
5673
5674         Fid.cell   = pResultCB->Result[index].FileID.Cell   = pHoldFidCB->FileID[index].Cell;
5675         Fid.volume = pResultCB->Result[index].FileID.Volume = pHoldFidCB->FileID[index].Volume;
5676         Fid.vnode  = pResultCB->Result[index].FileID.Vnode  = pHoldFidCB->FileID[index].Vnode;
5677         Fid.unique = pResultCB->Result[index].FileID.Unique = pHoldFidCB->FileID[index].Unique;
5678         Fid.hash   = pResultCB->Result[index].FileID.Hash   = pHoldFidCB->FileID[index].Hash;
5679
5680         osi_Log4( afsd_logp,
5681                   "RDR_HoldFid File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
5682                   Fid.cell, Fid.volume, Fid.vnode, Fid.unique);
5683
5684         scp = cm_FindSCache(&Fid);
5685         if (scp) {
5686             RDR_FlagScpInUse( scp, FALSE );
5687             cm_ReleaseSCache(scp);
5688         }
5689         pResultCB->Result[index].Status = 0;
5690     }
5691
5692     (*ResultCB)->ResultStatus = 0;
5693     osi_Log0(afsd_logp, "RDR_HoldFid SUCCESS");
5694     return;
5695 }
5696
5697 void
5698 RDR_ReleaseFid( IN cm_user_t     *userp,
5699                 IN AFSReleaseFidRequestCB * pReleaseFidCB,
5700                 IN BOOL bFast,
5701                 IN DWORD ResultBufferLength,
5702                 IN OUT AFSCommResult **ResultCB)
5703 {
5704     AFSReleaseFidResultCB *pResultCB = NULL;
5705     DWORD       index;
5706     DWORD       Length;
5707     cm_req_t    req;
5708
5709     RDR_InitReq(&req, FALSE);
5710
5711     osi_Log1(afsd_logp, "RDR_ReleaseFid Count=%u", pReleaseFidCB->Count);
5712
5713     Length = sizeof(AFSReleaseFidResultCB) + (pReleaseFidCB->Count ? pReleaseFidCB->Count-1 : 0) * sizeof(AFSFidResult);
5714     if (Length > ResultBufferLength) {
5715         *ResultCB = (AFSCommResult *)malloc(sizeof(AFSCommResult) );
5716         if (!(*ResultCB))
5717             return;
5718         memset( *ResultCB, 0, sizeof(AFSCommResult));
5719         (*ResultCB)->ResultStatus = STATUS_BUFFER_OVERFLOW;
5720         return;
5721     }
5722     *ResultCB = (AFSCommResult *)malloc( Length + sizeof( AFSCommResult) );
5723     if (!(*ResultCB))
5724         return;
5725     memset( *ResultCB, '\0', Length );
5726     (*ResultCB)->ResultBufferLength = Length;
5727     pResultCB = (AFSReleaseFidResultCB *)(*ResultCB)->ResultData;
5728
5729     for ( index = 0; index < pReleaseFidCB->Count; index++ )
5730     {
5731         cm_scache_t *scp = NULL;
5732         cm_fid_t    Fid;
5733
5734         Fid.cell   = pResultCB->Result[index].FileID.Cell   = pReleaseFidCB->FileID[index].Cell;
5735         Fid.volume = pResultCB->Result[index].FileID.Volume = pReleaseFidCB->FileID[index].Volume;
5736         Fid.vnode  = pResultCB->Result[index].FileID.Vnode  = pReleaseFidCB->FileID[index].Vnode;
5737         Fid.unique = pResultCB->Result[index].FileID.Unique = pReleaseFidCB->FileID[index].Unique;
5738         Fid.hash   = pResultCB->Result[index].FileID.Hash   = pReleaseFidCB->FileID[index].Hash;
5739
5740         osi_Log4( afsd_logp,
5741                   "RDR_ReleaseFid File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
5742                   Fid.cell, Fid.volume, Fid.vnode, Fid.unique);
5743
5744         scp = cm_FindSCache(&Fid);
5745         if (scp) {
5746             lock_ObtainWrite(&scp->rw);
5747             scp->flags &= ~CM_SCACHEFLAG_RDR_IN_USE;
5748             lock_ReleaseWrite(&scp->rw);
5749
5750             cm_ReleaseSCache(scp);
5751         }
5752         pResultCB->Result[index].Status = 0;
5753     }
5754     pResultCB->Count = pReleaseFidCB->Count;
5755
5756     (*ResultCB)->ResultStatus = 0;
5757     osi_Log0(afsd_logp, "RDR_ReleaseFid SUCCESS");
5758     return;
5759 }
5760
5761 /*
5762  * The redirector makes several assumptions regarding the
5763  * SRVSVC and WKSSVC pipes transactions.  First, the interface
5764  * versions are those indicated below.  Secondly, the encoding
5765  * will be performed using NDR version 2.  These assumptions
5766  * may not hold in the future and end-to-end MSRPC Bind
5767  * negotiations may need to be supported.  Of course, these
5768  * are the only interface versions that are supported by the
5769  * service.
5770  */
5771 #define MSRPC_PIPE_PREFIX L".\\"
5772
5773 static const UUID MSRPC_SRVSVC_UUID = {0x4B324FC8, 0x1670, 0x01D3,
5774                                        {0x12, 0x78, 0x5A, 0x47, 0xBF, 0x6E, 0xE1, 0x88}};
5775 #define MSRPC_SRVSVC_NAME L"PIPE\\SRVSVC"
5776 #define MSRPC_SRVSVC_VERS 3
5777
5778 static const UUID MSRPC_WKSSVC_UUID = {0x6BFFD098, 0xA112, 0x3610,
5779                                        {0x98, 0x33, 0x46, 0xC3, 0xF8, 0x7E, 0x34, 0x5A}};
5780 #define MSRPC_WKSSVC_NAME L"PIPE\\WKSSVC"
5781 #define MSRPC_WKSSVC_VERS 1
5782
5783 static const UUID MSRPC_NDR_UUID = {0x8A885D04, 0x1CEB, 0x11C9,
5784                                     {0x9F, 0xE8, 0x08, 0x00, 0x2B, 0x10, 0x48, 0x60}};
5785 #define MSRPC_NDR_NAME    L"NDR"
5786 #define MSRPC_NDR_VERS    2
5787
5788 extern RPC_IF_HANDLE srvsvc_v3_0_s_ifspec;
5789 extern RPC_IF_HANDLE wkssvc_v1_0_s_ifspec;
5790
5791 void
5792 RDR_PipeOpen( IN cm_user_t *userp,
5793               IN AFSFileID  ParentId,
5794               IN WCHAR     *Name,
5795               IN DWORD      NameLength,
5796               IN AFSPipeOpenCloseRequestCB *pPipe_CB,
5797               IN BOOL bWow64,
5798               IN DWORD ResultBufferLength,
5799               IN OUT AFSCommResult **ResultCB)
5800 {
5801     cm_fid_t    ParentFid;
5802     cm_fid_t    RootFid;
5803
5804     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult));
5805     if (!(*ResultCB))
5806         return;
5807
5808     memset( *ResultCB,
5809             '\0',
5810             sizeof( AFSCommResult));
5811
5812     /* Get the active directory */
5813     ParentFid.cell = ParentId.Cell;
5814     ParentFid.volume = ParentId.Volume;
5815     ParentFid.vnode = ParentId.Vnode;
5816     ParentFid.unique = ParentId.Unique;
5817     ParentFid.hash = ParentId.Hash;
5818
5819     /* Get the root directory */
5820     RootFid.cell = pPipe_CB->RootId.Cell;
5821     RootFid.volume = pPipe_CB->RootId.Volume;
5822     RootFid.vnode = pPipe_CB->RootId.Vnode;
5823     RootFid.unique = pPipe_CB->RootId.Unique;
5824     RootFid.hash = pPipe_CB->RootId.Hash;
5825
5826     /* Create the pipe index */
5827     (*ResultCB)->ResultStatus =
5828       RDR_SetupPipe( pPipe_CB->RequestId, &ParentFid, &RootFid,
5829                      Name, NameLength, userp);
5830     return;
5831 }
5832
5833
5834 void
5835 RDR_PipeClose( IN cm_user_t *userp,
5836                IN AFSFileID  ParentId,
5837                IN AFSPipeOpenCloseRequestCB *pPipe_CB,
5838                IN BOOL bWow64,
5839                IN DWORD ResultBufferLength,
5840                IN OUT AFSCommResult **ResultCB)
5841 {
5842     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult));
5843     if (!(*ResultCB))
5844         return;
5845
5846     memset( *ResultCB,
5847             '\0',
5848             sizeof( AFSCommResult));
5849
5850     /* Cleanup the pipe index */
5851     RDR_CleanupPipe(pPipe_CB->RequestId);
5852
5853     return;
5854 }
5855
5856
5857 void
5858 RDR_PipeWrite( IN cm_user_t *userp,
5859                IN AFSFileID  ParentId,
5860                IN AFSPipeIORequestCB *pPipe_CB,
5861                IN BYTE *pPipe_Data,
5862                IN BOOL bWow64,
5863                IN DWORD ResultBufferLength,
5864                IN OUT AFSCommResult **ResultCB)
5865 {
5866     AFSPipeIOResultCB *pResultCB;
5867     cm_scache_t *dscp = NULL;
5868     afs_uint32  code;
5869     cm_req_t    req;
5870     DWORD       status;
5871
5872     RDR_InitReq(&req, bWow64);
5873
5874     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult) + sizeof(AFSPipeIOResultCB));
5875     if (!(*ResultCB))
5876         return;
5877
5878     memset( *ResultCB,
5879             '\0',
5880             sizeof( AFSCommResult) + sizeof(AFSPipeIOResultCB));
5881
5882     pResultCB = (AFSPipeIOResultCB *)(*ResultCB)->ResultData;
5883
5884     code = RDR_Pipe_Write( pPipe_CB->RequestId, pPipe_CB->BufferLength, pPipe_Data, &req, userp);
5885     if (code) {
5886         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
5887         (*ResultCB)->ResultStatus = status;
5888         return;
5889     }
5890
5891     pResultCB->BytesProcessed = pPipe_CB->BufferLength;
5892     (*ResultCB)->ResultBufferLength = sizeof( AFSPipeIOResultCB);
5893 }
5894
5895
5896 void
5897 RDR_PipeRead( IN cm_user_t *userp,
5898               IN AFSFileID  ParentId,
5899               IN AFSPipeIORequestCB *pPipe_CB,
5900               IN BOOL bWow64,
5901               IN DWORD ResultBufferLength,
5902               IN OUT AFSCommResult **ResultCB)
5903 {
5904     BYTE *pPipe_Data;
5905     cm_scache_t *dscp = NULL;
5906     afs_uint32  code;
5907     cm_req_t    req;
5908     DWORD       status;
5909
5910     RDR_InitReq(&req, bWow64);
5911
5912     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult) + ResultBufferLength);
5913     if (!(*ResultCB))
5914         return;
5915
5916     memset( *ResultCB,
5917             '\0',
5918             sizeof( AFSCommResult));
5919
5920     pPipe_Data = (BYTE *)(*ResultCB)->ResultData;
5921
5922     code = RDR_Pipe_Read( pPipe_CB->RequestId, ResultBufferLength, pPipe_Data,
5923                           &(*ResultCB)->ResultBufferLength, &req, userp);
5924     if (code) {
5925         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
5926         (*ResultCB)->ResultStatus = status;
5927         return;
5928     }
5929 }
5930
5931
5932 void
5933 RDR_PipeSetInfo( IN cm_user_t *userp,
5934                  IN AFSFileID  ParentId,
5935                  IN AFSPipeInfoRequestCB *pPipeInfo_CB,
5936                  IN BYTE *pPipe_Data,
5937                  IN BOOL bWow64,
5938                  IN DWORD ResultBufferLength,
5939                  IN OUT AFSCommResult **ResultCB)
5940 {
5941     cm_scache_t *dscp = NULL;
5942     cm_req_t    req;
5943     DWORD       status;
5944
5945     RDR_InitReq(&req, bWow64);
5946
5947     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult));
5948     if (!(*ResultCB))
5949         return;
5950
5951     memset( *ResultCB,
5952             '\0',
5953             sizeof( AFSCommResult));
5954
5955     status = RDR_Pipe_SetInfo( pPipeInfo_CB->RequestId, pPipeInfo_CB->InformationClass,
5956                                pPipeInfo_CB->BufferLength, pPipe_Data, &req, userp);
5957
5958     (*ResultCB)->ResultStatus = status;
5959 }
5960
5961
5962 void
5963 RDR_PipeQueryInfo( IN cm_user_t *userp,
5964                    IN AFSFileID  ParentId,
5965                    IN AFSPipeInfoRequestCB *pPipeInfo_CB,
5966                    IN BOOL bWow64,
5967                    IN DWORD ResultBufferLength,
5968                    IN OUT AFSCommResult **ResultCB)
5969 {
5970     BYTE *pPipe_Data;
5971     cm_scache_t *dscp = NULL;
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) + sizeof(AFSPipeIOResultCB));
5984
5985     pPipe_Data = (BYTE *)(*ResultCB)->ResultData;
5986
5987     status = RDR_Pipe_QueryInfo( pPipeInfo_CB->RequestId, pPipeInfo_CB->InformationClass,
5988                                  ResultBufferLength, pPipe_Data,
5989                                  &(*ResultCB)->ResultBufferLength, &req, userp);
5990
5991     (*ResultCB)->ResultStatus = status;
5992 }
5993
5994 void
5995 RDR_PipeTransceive( IN cm_user_t     *userp,
5996                     IN AFSFileID  ParentId,
5997                     IN AFSPipeIORequestCB *pPipe_CB,
5998                     IN BYTE *pPipe_InData,
5999                     IN BOOL bWow64,
6000                     IN DWORD ResultBufferLength,
6001                     IN OUT AFSCommResult **ResultCB)
6002 {
6003     /*
6004      * This function processes a Pipe Service request
6005      * that would normally be sent to a LAN Manager server
6006      * across an authenticated SMB-PIPE/MSRPC/SVC request
6007      * stack.  The request is being sent here because the
6008      * application (e.g., Explorer Shell or Common Control File
6009      * dialog) believes that because the UNC path it is
6010      * processing has specified a server name that is not
6011      * "." and that the Server is remote and that the Share
6012      * list cannot be obtained using the Network Provider
6013      * interface.
6014      *
6015      * The file system driver is faking the Bind-Ack response
6016      * to the MSRPC Bind request but cannot decode the NDR
6017      * encoded Pipe Service requests.  For that we will use
6018      * the service's MSRPC module.  However, unlike the SMB
6019      * server usage we must fake the MSRPC Bind exchange and
6020      * map the PipeName to an interface instead of using the
6021      * GUID specified in the MSRPC Bind request.
6022      *
6023      * None of the requests that are being processed by the
6024      * service require authentication.  As a result the userp
6025      * parameter will be ignored.
6026      *
6027      * Although there are dozens of Pipe Services, the only
6028      * ones that we are implementing are WKSSVC and SRVSVC.
6029      * These support NetShareEnum, NetShareGetInfo,
6030      * NetServerGetInfo, and NetWorkstaGetInfo which are
6031      * commonly queried by NET VIEW, the Explorer Shell,
6032      * and the Common Control File dialog.
6033      */
6034     BYTE *pPipe_OutData;
6035     cm_scache_t *dscp = NULL;
6036     afs_uint32  code;
6037     cm_req_t    req;
6038     DWORD       status;
6039     DWORD Length = ResultBufferLength + sizeof( AFSCommResult);
6040
6041     RDR_InitReq(&req, bWow64);
6042
6043     *ResultCB = (AFSCommResult *)malloc( Length);
6044     if (!(*ResultCB))
6045         return;
6046     memset( *ResultCB, '\0', Length );
6047
6048     code = RDR_Pipe_Write( pPipe_CB->RequestId, pPipe_CB->BufferLength, pPipe_InData, &req, userp);
6049     if (code) {
6050         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
6051         osi_Log2( afsd_logp, "RDR_Pipe_Transceive Write FAILURE code=0x%x status=0x%x",
6052                   code, status);
6053         (*ResultCB)->ResultStatus = status;
6054         return;
6055     }
6056
6057     pPipe_OutData = (BYTE *)(*ResultCB)->ResultData;
6058     code = RDR_Pipe_Read( pPipe_CB->RequestId, ResultBufferLength, pPipe_OutData,
6059                           &(*ResultCB)->ResultBufferLength, &req, userp);
6060     if (code) {
6061         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
6062         osi_Log2( afsd_logp, "RDR_Pipe_Transceive Read FAILURE code=0x%x status=0x%x",
6063                   code, status);
6064         (*ResultCB)->ResultStatus = status;
6065         return;
6066     }
6067
6068     (*ResultCB)->ResultStatus = 0;
6069     osi_Log0(afsd_logp, "RDR_Pipe_Transceive SUCCESS");
6070 }