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 + 1) * 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          (wcschr(wszName, '%') != NULL || wcschr(wszName, '#') != NULL)) {
1066         /*
1067          * A volume reference:  <cell>{%,#}<volume> -> @vol:<cell>{%,#}<volume>
1068          */
1069         StringCchCopyNW(wszName, cbName, _C(CM_PREFIX_VOL), CM_PREFIX_VOL_CCH);
1070         StringCbCatNW(wszName, cbName, FileName, FileNameLength);
1071         bVol = TRUE;
1072
1073         code = cm_EvaluateVolumeReference(wszName, CM_FLAG_CHECKPATH, userp, &req, &scp);
1074     }
1075
1076     if (code == 0 && scp) {
1077         wchar_t shortName[13]=L"";
1078
1079         if (!cm_shortNames) {
1080             shortName[0] = L'\0';
1081         } else if (bVol) {
1082             cm_Gen8Dot3VolNameW(scp->fid.cell, scp->fid.volume, shortName, NULL);
1083         } else if (!cm_Is8Dot3(wszName)) {
1084             cm_dirFid_t dfid;
1085
1086             dfid.vnode = htonl(scp->fid.vnode);
1087             dfid.unique = htonl(scp->fid.unique);
1088
1089             cm_Gen8Dot3NameIntW(FileName, &dfid, shortName, NULL);
1090         } else {
1091             shortName[0] = L'\0';
1092         }
1093
1094         code = RDR_PopulateCurrentEntry(pCurrentEntry, dwRemaining,
1095                                         dscp, scp, userp, &req,
1096                                         FileName, shortName,
1097                                         (bWow64 ? RDR_POP_WOW64 : 0) |
1098                                         (bNoFollow ? 0 : (RDR_POP_FOLLOW_MOUNTPOINTS | RDR_POP_EVALUATE_SYMLINKS)),
1099                                         0, NULL, &dwRemaining);
1100         if (bHoldFid)
1101             RDR_FlagScpInUse( scp, FALSE );
1102         cm_ReleaseSCache(scp);
1103
1104         if (code) {
1105             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1106             (*ResultCB)->ResultStatus = status;
1107             osi_Log2(afsd_logp, "RDR_EvaluateNodeByName FAILURE code=0x%x status=0x%x",
1108                       code, status);
1109         } else {
1110             pEvalResultCB->ParentDataVersion.QuadPart = dscp->dataVersion;
1111             (*ResultCB)->ResultStatus = STATUS_SUCCESS;
1112             (*ResultCB)->ResultBufferLength = ResultBufferLength - dwRemaining;
1113             osi_Log0(afsd_logp, "RDR_EvaluateNodeByName SUCCESS");
1114         }
1115     } else if (code) {
1116         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1117         (*ResultCB)->ResultStatus = status;
1118         osi_Log2(afsd_logp, "RDR_EvaluateNodeByName FAILURE code=0x%x status=0x%x",
1119                  code, status);
1120     } else {
1121         (*ResultCB)->ResultStatus = STATUS_NO_SUCH_FILE;
1122         osi_Log0(afsd_logp, "RDR_EvaluateNodeByName No Such File");
1123     }
1124     cm_ReleaseSCache(dscp);
1125     free(wszName);
1126
1127     return;
1128 }
1129
1130 void
1131 RDR_EvaluateNodeByID( IN cm_user_t *userp,
1132                       IN AFSFileID ParentID,            /* not used */
1133                       IN AFSFileID SourceID,
1134                       IN BOOL      bWow64,
1135                       IN BOOL      bNoFollow,
1136                       IN BOOL      bHoldFid,
1137                       IN DWORD     ResultBufferLength,
1138                       IN OUT AFSCommResult **ResultCB)
1139 {
1140     AFSFileEvalResultCB *pEvalResultCB = NULL;
1141     AFSDirEnumEntry * pCurrentEntry = NULL;
1142     size_t size = ResultBufferLength ? sizeof(AFSCommResult) + ResultBufferLength - 1 : sizeof(AFSCommResult);
1143     afs_uint32  code = 0;
1144     cm_scache_t * scp = NULL;
1145     cm_scache_t * dscp = NULL;
1146     cm_req_t      req;
1147     cm_fid_t      Fid;
1148     cm_fid_t      parentFid;
1149     DWORD         status;
1150     DWORD         dwRemaining;
1151
1152     osi_Log4(afsd_logp, "RDR_EvaluateNodeByID source FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
1153               SourceID.Cell, SourceID.Volume, SourceID.Vnode, SourceID.Unique);
1154     osi_Log4(afsd_logp, "... parent FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
1155               ParentID.Cell, ParentID.Volume, ParentID.Vnode, ParentID.Unique);
1156
1157     *ResultCB = (AFSCommResult *)malloc(size);
1158     if (!(*ResultCB)) {
1159         osi_Log0(afsd_logp, "RDR_EvaluateNodeByID Out of Memory");
1160         return;
1161     }
1162
1163     memset(*ResultCB, 0, size);
1164     (*ResultCB)->ResultBufferLength = 0;
1165     dwRemaining = ResultBufferLength;
1166     if (ResultBufferLength >= sizeof( AFSFileEvalResultCB)) {
1167         pEvalResultCB = (AFSFileEvalResultCB *)&(*ResultCB)->ResultData;
1168         pCurrentEntry = &pEvalResultCB->DirEnum;
1169         dwRemaining -= (sizeof( AFSFileEvalResultCB) - sizeof( AFSDirEnumEntry));
1170     }
1171
1172     RDR_InitReq(&req, bWow64);
1173
1174     if (SourceID.Cell != 0) {
1175         cm_SetFid(&Fid, SourceID.Cell, SourceID.Volume, SourceID.Vnode, SourceID.Unique);
1176         code = cm_GetSCache(&Fid, NULL, &scp, userp, &req);
1177         if (code) {
1178             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1179             (*ResultCB)->ResultStatus = status;
1180             osi_Log2(afsd_logp, "RDR_EvaluateNodeByID cm_GetSCache SourceFID failure code=0x%x status=0x%x",
1181                       code, status);
1182             return;
1183         }
1184     } else {
1185         (*ResultCB)->ResultStatus = STATUS_OBJECT_NAME_INVALID;
1186         osi_Log0(afsd_logp, "RDR_EvaluateNodeByID Object Name Invalid - Cell = 0");
1187         return;
1188     }
1189
1190     if (ParentID.Cell != 0) {
1191         cm_SetFid(&parentFid, ParentID.Cell, ParentID.Volume, ParentID.Vnode, ParentID.Unique);
1192         code = cm_GetSCache(&parentFid, NULL, &dscp, userp, &req);
1193         if (code) {
1194             cm_ReleaseSCache(scp);
1195             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1196             if ( status == STATUS_INVALID_HANDLE)
1197                 status = STATUS_OBJECT_PATH_INVALID;
1198             (*ResultCB)->ResultStatus = status;
1199             osi_Log2(afsd_logp, "RDR_EvaluateNodeByID cm_GetSCache parentFID failure code=0x%x status=0x%x",
1200                       code, status);
1201             return;
1202         }
1203     } else if (SourceID.Vnode == 1) {
1204         dscp = scp;
1205         cm_HoldSCache(dscp);
1206     } else if (scp->parentVnode) {
1207         cm_SetFid(&parentFid, SourceID.Cell, SourceID.Volume, scp->parentVnode, scp->parentUnique);
1208         code = cm_GetSCache(&parentFid, NULL, &dscp, userp, &req);
1209         if (code) {
1210             cm_ReleaseSCache(scp);
1211             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1212             if ( status == STATUS_INVALID_HANDLE)
1213                 status = STATUS_OBJECT_PATH_INVALID;
1214             (*ResultCB)->ResultStatus = status;
1215             osi_Log2(afsd_logp, "RDR_EvaluateNodeByID cm_GetSCache parentFID failure code=0x%x status=0x%x",
1216                       code, status);
1217             return;
1218         }
1219     } else {
1220         (*ResultCB)->ResultStatus = STATUS_OBJECT_PATH_INVALID;
1221         osi_Log0(afsd_logp, "RDR_EvaluateNodeByID Object Path Invalid - Unknown Parent");
1222         return;
1223     }
1224
1225     /* Make sure the directory is current */
1226     lock_ObtainWrite(&dscp->rw);
1227     code = cm_SyncOp(dscp, NULL, userp, &req, 0,
1228                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1229     if (code) {
1230         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1231         (*ResultCB)->ResultStatus = status;
1232         lock_ReleaseWrite(&dscp->rw);
1233         cm_ReleaseSCache(dscp);
1234         cm_ReleaseSCache(scp);
1235         osi_Log3(afsd_logp, "RDR_EvaluateNodeByID cm_SyncOp failure dscp=0x%p code=0x%x status=0x%x",
1236                  dscp, code, status);
1237         return;
1238     }
1239
1240     cm_SyncOpDone(dscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1241     lock_ReleaseWrite(&dscp->rw);
1242
1243     if (dscp->fileType != CM_SCACHETYPE_DIRECTORY) {
1244         (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
1245         cm_ReleaseSCache(dscp);
1246         cm_ReleaseSCache(scp);
1247         osi_Log1(afsd_logp, "RDR_EvaluateNodeByID Not a Directory dscp=0x%p", dscp);
1248         return;
1249     }
1250
1251     code = RDR_PopulateCurrentEntry(pCurrentEntry, dwRemaining,
1252                                     dscp, scp, userp, &req, NULL, NULL,
1253                                     (bWow64 ? RDR_POP_WOW64 : 0) |
1254                                     (bNoFollow ? 0 : (RDR_POP_FOLLOW_MOUNTPOINTS | RDR_POP_EVALUATE_SYMLINKS)),
1255                                     0, NULL, &dwRemaining);
1256
1257     if (bHoldFid)
1258         RDR_FlagScpInUse( scp, FALSE );
1259     cm_ReleaseSCache(scp);
1260     cm_ReleaseSCache(dscp);
1261
1262     if (code) {
1263         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1264         (*ResultCB)->ResultStatus = status;
1265         osi_Log2(afsd_logp, "RDR_EvaluateNodeByID FAILURE code=0x%x status=0x%x",
1266                  code, status);
1267     } else {
1268         pEvalResultCB->ParentDataVersion.QuadPart = dscp->dataVersion;
1269
1270         (*ResultCB)->ResultStatus = STATUS_SUCCESS;
1271         (*ResultCB)->ResultBufferLength = ResultBufferLength - dwRemaining;
1272         osi_Log0(afsd_logp, "RDR_EvaluateNodeByID SUCCESS");
1273     }
1274     return;
1275 }
1276
1277 void
1278 RDR_CreateFileEntry( IN cm_user_t *userp,
1279                      IN WCHAR *FileNameCounted,
1280                      IN DWORD FileNameLength,
1281                      IN AFSFileCreateCB *CreateCB,
1282                      IN BOOL bWow64,
1283                      IN BOOL bHoldFid,
1284                      IN DWORD ResultBufferLength,
1285                      IN OUT AFSCommResult **ResultCB)
1286 {
1287     AFSFileCreateResultCB *pResultCB = NULL;
1288     size_t size = sizeof(AFSCommResult) + ResultBufferLength - 1;
1289     cm_fid_t            parentFid;
1290     afs_uint32          code;
1291     cm_scache_t *       dscp = NULL;
1292     afs_uint32          flags = 0;
1293     cm_attr_t           setAttr;
1294     cm_scache_t *       scp = NULL;
1295     cm_req_t            req;
1296     DWORD               status;
1297     wchar_t             FileName[260];
1298
1299     StringCchCopyNW(FileName, 260, FileNameCounted, FileNameLength / sizeof(WCHAR));
1300
1301     osi_Log4(afsd_logp, "RDR_CreateFileEntry parent FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
1302               CreateCB->ParentId.Cell, CreateCB->ParentId.Volume,
1303               CreateCB->ParentId.Vnode, CreateCB->ParentId.Unique);
1304     osi_Log1(afsd_logp, "... name=%S", osi_LogSaveStringW(afsd_logp, FileName));
1305
1306     RDR_InitReq(&req, bWow64);
1307     memset(&setAttr, 0, sizeof(cm_attr_t));
1308
1309     *ResultCB = (AFSCommResult *)malloc(size);
1310     if (!(*ResultCB)) {
1311         osi_Log0(afsd_logp, "RDR_CreateFileEntry out of memory");
1312         return;
1313     }
1314
1315     memset( *ResultCB,
1316             '\0',
1317             size);
1318
1319     parentFid.cell   = CreateCB->ParentId.Cell;
1320     parentFid.volume = CreateCB->ParentId.Volume;
1321     parentFid.vnode  = CreateCB->ParentId.Vnode;
1322     parentFid.unique = CreateCB->ParentId.Unique;
1323     parentFid.hash   = CreateCB->ParentId.Hash;
1324
1325     code = cm_GetSCache(&parentFid, NULL, &dscp, userp, &req);
1326     if (code) {
1327         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1328         (*ResultCB)->ResultStatus = status;
1329         if ( status == STATUS_INVALID_HANDLE)
1330             status = STATUS_OBJECT_PATH_INVALID;
1331         osi_Log2(afsd_logp, "RDR_CreateFileEntry cm_GetSCache ParentFID failure code=0x%x status=0x%x",
1332                   code, status);
1333         return;
1334     }
1335
1336     lock_ObtainWrite(&dscp->rw);
1337     code = cm_SyncOp(dscp, NULL, userp, &req, 0,
1338                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1339     if (code) {
1340         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1341         (*ResultCB)->ResultStatus = status;
1342         lock_ReleaseWrite(&dscp->rw);
1343         cm_ReleaseSCache(dscp);
1344         osi_Log3(afsd_logp, "RDR_CreateFileEntry cm_SyncOp failure (1) dscp=0x%p code=0x%x status=0x%x",
1345                  dscp, code, status);
1346         return;
1347     }
1348
1349     cm_SyncOpDone(dscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1350     lock_ReleaseWrite(&dscp->rw);
1351
1352     if (dscp->fileType != CM_SCACHETYPE_DIRECTORY) {
1353         (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
1354         cm_ReleaseSCache(dscp);
1355         osi_Log1(afsd_logp, "RDR_CreateFileEntry Not a Directory dscp=0x%p",
1356                  dscp);
1357         return;
1358     }
1359
1360     /* Use current time */
1361     setAttr.mask = CM_ATTRMASK_CLIENTMODTIME;
1362     setAttr.clientModTime = time(NULL);
1363
1364     if (CreateCB->FileAttributes & FILE_ATTRIBUTE_DIRECTORY) {
1365         if (smb_unixModeDefaultDir) {
1366             setAttr.mask |= CM_ATTRMASK_UNIXMODEBITS;
1367             setAttr.unixModeBits = smb_unixModeDefaultDir;
1368             if (CreateCB->FileAttributes & FILE_ATTRIBUTE_READONLY)
1369                 setAttr.unixModeBits &= ~0222;          /* disable the write bits */
1370         }
1371
1372         code = cm_MakeDir(dscp, FileName, flags, &setAttr, userp, &req, &scp);
1373     } else {
1374         if (smb_unixModeDefaultFile) {
1375             setAttr.mask |= CM_ATTRMASK_UNIXMODEBITS;
1376             setAttr.unixModeBits = smb_unixModeDefaultFile;
1377             if (CreateCB->FileAttributes & FILE_ATTRIBUTE_READONLY)
1378                 setAttr.unixModeBits &= ~0222;          /* disable the write bits */
1379         }
1380
1381         setAttr.mask |= CM_ATTRMASK_LENGTH;
1382         setAttr.length.LowPart = CreateCB->AllocationSize.LowPart;
1383         setAttr.length.HighPart = CreateCB->AllocationSize.HighPart;
1384         code = cm_Create(dscp, FileName, flags, &setAttr, &scp, userp, &req);
1385     }
1386     if (code == 0) {
1387         wchar_t shortName[13]=L"";
1388         cm_dirFid_t dfid;
1389         DWORD dwRemaining;
1390
1391         (*ResultCB)->ResultStatus = 0;  // We will be able to fit all the data in here
1392
1393         (*ResultCB)->ResultBufferLength = sizeof( AFSFileCreateResultCB);
1394
1395         pResultCB = (AFSFileCreateResultCB *)(*ResultCB)->ResultData;
1396
1397         dwRemaining = ResultBufferLength - sizeof( AFSFileCreateResultCB) + sizeof( AFSDirEnumEntry);
1398
1399         lock_ObtainWrite(&dscp->rw);
1400         code = cm_SyncOp(dscp, NULL, userp, &req, 0,
1401                           CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1402         if (code) {
1403             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1404             (*ResultCB)->ResultStatus = status;
1405             lock_ReleaseWrite(&dscp->rw);
1406             cm_ReleaseSCache(dscp);
1407             cm_ReleaseSCache(scp);
1408             osi_Log3(afsd_logp, "RDR_CreateFileEntry cm_SyncOp failure (2) dscp=0x%p code=0x%x status=0x%x",
1409                       dscp, code, status);
1410             return;
1411         }
1412
1413         pResultCB->ParentDataVersion.QuadPart = dscp->dataVersion;
1414
1415         cm_SyncOpDone(dscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1416         lock_ReleaseWrite(&dscp->rw);
1417
1418         if (cm_shortNames) {
1419             dfid.vnode = htonl(scp->fid.vnode);
1420             dfid.unique = htonl(scp->fid.unique);
1421
1422             if (!cm_Is8Dot3(FileName))
1423                 cm_Gen8Dot3NameIntW(FileName, &dfid, shortName, NULL);
1424             else
1425                 shortName[0] = '\0';
1426         }
1427
1428         code = RDR_PopulateCurrentEntry(&pResultCB->DirEnum, dwRemaining,
1429                                         dscp, scp, userp, &req, FileName, shortName,
1430                                         RDR_POP_FOLLOW_MOUNTPOINTS | RDR_POP_EVALUATE_SYMLINKS,
1431                                         0, NULL, &dwRemaining);
1432
1433         if (bHoldFid)
1434             RDR_FlagScpInUse( scp, FALSE );
1435         cm_ReleaseSCache(scp);
1436         (*ResultCB)->ResultBufferLength = ResultBufferLength - dwRemaining;
1437         osi_Log0(afsd_logp, "RDR_CreateFileEntry SUCCESS");
1438     } else {
1439         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1440         (*ResultCB)->ResultStatus = status;
1441         (*ResultCB)->ResultBufferLength = 0;
1442         osi_Log2(afsd_logp, "RDR_CreateFileEntry FAILURE code=0x%x status=0x%x",
1443                   code, status);
1444     }
1445
1446     cm_ReleaseSCache(dscp);
1447
1448     return;
1449 }
1450
1451 void
1452 RDR_UpdateFileEntry( IN cm_user_t *userp,
1453                      IN AFSFileID FileId,
1454                      IN AFSFileUpdateCB *UpdateCB,
1455                      IN BOOL bWow64,
1456                      IN DWORD ResultBufferLength,
1457                      IN OUT AFSCommResult **ResultCB)
1458 {
1459     AFSFileUpdateResultCB *pResultCB = NULL;
1460     size_t size = sizeof(AFSCommResult) + ResultBufferLength - 1;
1461     cm_fid_t            Fid;
1462     cm_fid_t            parentFid;
1463     afs_uint32          code;
1464     afs_uint32          flags = 0;
1465     cm_attr_t           setAttr;
1466     cm_scache_t *       scp = NULL;
1467     cm_scache_t *       dscp = NULL;
1468     cm_req_t            req;
1469     time_t              clientModTime;
1470     FILETIME            ft;
1471     DWORD               status;
1472     BOOL                bScpLocked = FALSE;
1473
1474     RDR_InitReq(&req, bWow64);
1475     memset(&setAttr, 0, sizeof(cm_attr_t));
1476
1477     osi_Log4(afsd_logp, "RDR_UpdateFileEntry parent FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
1478               UpdateCB->ParentId.Cell, UpdateCB->ParentId.Volume,
1479               UpdateCB->ParentId.Vnode, UpdateCB->ParentId.Unique);
1480     osi_Log4(afsd_logp, "... object FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
1481               FileId.Cell, FileId.Volume,
1482               FileId.Vnode, FileId.Unique);
1483
1484     *ResultCB = (AFSCommResult *)malloc( size);
1485     if (!(*ResultCB)) {
1486         osi_Log0(afsd_logp, "RDR_UpdateFileEntry Out of Memory");
1487         return;
1488     }
1489
1490     memset( *ResultCB,
1491             '\0',
1492             size);
1493
1494     parentFid.cell   = UpdateCB->ParentId.Cell;
1495     parentFid.volume = UpdateCB->ParentId.Volume;
1496     parentFid.vnode  = UpdateCB->ParentId.Vnode;
1497     parentFid.unique = UpdateCB->ParentId.Unique;
1498     parentFid.hash   = UpdateCB->ParentId.Hash;
1499
1500     code = cm_GetSCache(&parentFid, NULL, &dscp, userp, &req);
1501     if (code) {
1502         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1503         (*ResultCB)->ResultStatus = status;
1504         if ( status == STATUS_INVALID_HANDLE)
1505             status = STATUS_OBJECT_PATH_INVALID;
1506         osi_Log2(afsd_logp, "RDR_UpdateFileEntry cm_GetSCache ParentFID failure code=0x%x status=0x%x",
1507                   code, status);
1508         return;
1509     }
1510
1511     lock_ObtainWrite(&dscp->rw);
1512     bScpLocked = TRUE;
1513     code = cm_SyncOp(dscp, NULL, userp, &req, 0,
1514                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1515     if (code) {
1516         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1517         (*ResultCB)->ResultStatus = status;
1518         lock_ReleaseWrite(&dscp->rw);
1519         cm_ReleaseSCache(dscp);
1520         osi_Log3(afsd_logp, "RDR_UpdateFileEntry cm_SyncOp failure dscp=0x%p code=0x%x status=0x%x",
1521                  dscp, code, status);
1522         return;
1523     }
1524
1525     cm_SyncOpDone(dscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1526     lock_ReleaseWrite(&dscp->rw);
1527     bScpLocked = FALSE;
1528
1529     if (dscp->fileType != CM_SCACHETYPE_DIRECTORY) {
1530         (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
1531         cm_ReleaseSCache(dscp);
1532         osi_Log1(afsd_logp, "RDR_UpdateFileEntry Not a Directory dscp=0x%p",
1533                  dscp);
1534         return;
1535     }
1536
1537     Fid.cell   = FileId.Cell;
1538     Fid.volume = FileId.Volume;
1539     Fid.vnode  = FileId.Vnode;
1540     Fid.unique = FileId.Unique;
1541     Fid.hash   = FileId.Hash;
1542
1543     code = cm_GetSCache(&Fid, &dscp->fid, &scp, userp, &req);
1544     if (code) {
1545         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1546         (*ResultCB)->ResultStatus = status;
1547         cm_ReleaseSCache(dscp);
1548         osi_Log2(afsd_logp, "RDR_UpdateFileEntry cm_GetSCache object FID failure code=0x%x status=0x%x",
1549                   code, status);
1550         return;
1551     }
1552
1553     lock_ObtainWrite(&scp->rw);
1554     bScpLocked = TRUE;
1555     code = cm_SyncOp(scp, NULL, userp, &req, 0,
1556                       CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_NEEDCALLBACK);
1557     if (code) {
1558         lock_ReleaseWrite(&scp->rw);
1559         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1560         (*ResultCB)->ResultStatus = status;
1561         (*ResultCB)->ResultBufferLength = 0;
1562         cm_ReleaseSCache(dscp);
1563         cm_ReleaseSCache(scp);
1564         osi_Log3(afsd_logp, "RDR_UpdateFileEntry cm_SyncOp failure scp=0x%p code=0x%x status=0x%x",
1565                  scp, code, status);
1566         return;
1567     }
1568     cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1569
1570     if (UpdateCB->ChangeTime.QuadPart) {
1571
1572         if (scp->fileType == CM_SCACHETYPE_FILE) {
1573             /* Do not set length and other attributes at the same time */
1574             if (scp->length.QuadPart != UpdateCB->AllocationSize.QuadPart) {
1575                 osi_Log2(afsd_logp, "RDR_UpdateFileEntry Length Change 0x%x -> 0x%x",
1576                           (afs_uint32)scp->length.QuadPart, (afs_uint32)UpdateCB->AllocationSize.QuadPart);
1577                 setAttr.mask |= CM_ATTRMASK_LENGTH;
1578                 setAttr.length.LowPart = UpdateCB->AllocationSize.LowPart;
1579                 setAttr.length.HighPart = UpdateCB->AllocationSize.HighPart;
1580                 lock_ReleaseWrite(&scp->rw);
1581                 bScpLocked = FALSE;
1582                 code = cm_SetAttr(scp, &setAttr, userp, &req);
1583                 if (code)
1584                     goto on_error;
1585                 setAttr.mask = 0;
1586             }
1587         }
1588
1589         if (!bScpLocked) {
1590             lock_ObtainWrite(&scp->rw);
1591             bScpLocked = TRUE;
1592         }
1593         if ((scp->unixModeBits & 0200) && (UpdateCB->FileAttributes & FILE_ATTRIBUTE_READONLY)) {
1594             setAttr.mask |= CM_ATTRMASK_UNIXMODEBITS;
1595             setAttr.unixModeBits = scp->unixModeBits & ~0222;
1596         } else if (!(scp->unixModeBits & 0200) && !(UpdateCB->FileAttributes & FILE_ATTRIBUTE_READONLY)) {
1597             setAttr.mask |= CM_ATTRMASK_UNIXMODEBITS;
1598             setAttr.unixModeBits = scp->unixModeBits | 0222;
1599         }
1600     }
1601
1602     if (UpdateCB->LastWriteTime.QuadPart) {
1603         ft.dwLowDateTime = UpdateCB->LastWriteTime.LowPart;
1604         ft.dwHighDateTime = UpdateCB->LastWriteTime.HighPart;
1605
1606         cm_UnixTimeFromLargeSearchTime(& clientModTime, &ft);
1607
1608         if (!bScpLocked) {
1609             lock_ObtainWrite(&scp->rw);
1610             bScpLocked = TRUE;
1611         }
1612         if (scp->clientModTime != clientModTime) {
1613             setAttr.mask |= CM_ATTRMASK_CLIENTMODTIME;
1614             setAttr.clientModTime = clientModTime;
1615         }
1616
1617         /* call setattr */
1618         if (setAttr.mask) {
1619             lock_ReleaseWrite(&scp->rw);
1620             bScpLocked = FALSE;
1621             code = cm_SetAttr(scp, &setAttr, userp, &req);
1622         } else
1623             code = 0;
1624     }
1625
1626   on_error:
1627     if (bScpLocked) {
1628         lock_ReleaseWrite(&scp->rw);
1629     }
1630
1631     if (code == 0) {
1632         DWORD dwRemaining = ResultBufferLength - sizeof( AFSFileUpdateResultCB) + sizeof( AFSDirEnumEntry);
1633
1634         pResultCB = (AFSFileUpdateResultCB *)(*ResultCB)->ResultData;
1635
1636         pResultCB->ParentDataVersion.QuadPart = dscp->dataVersion;
1637
1638         code = RDR_PopulateCurrentEntry(&pResultCB->DirEnum, dwRemaining,
1639                                         dscp, scp, userp, &req, NULL, NULL,
1640                                         RDR_POP_FOLLOW_MOUNTPOINTS | RDR_POP_EVALUATE_SYMLINKS,
1641                                         0, NULL, &dwRemaining);
1642         (*ResultCB)->ResultBufferLength = ResultBufferLength - dwRemaining;
1643         osi_Log0(afsd_logp, "RDR_UpdateFileEntry SUCCESS");
1644     } else {
1645         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1646         (*ResultCB)->ResultStatus = status;
1647         (*ResultCB)->ResultBufferLength = 0;
1648         osi_Log2(afsd_logp, "RDR_UpdateFileEntry FAILURE code=0x%x status=0x%x",
1649                   code, status);
1650     }
1651     cm_ReleaseSCache(scp);
1652     cm_ReleaseSCache(dscp);
1653
1654     return;
1655 }
1656
1657 void
1658 RDR_CleanupFileEntry( IN cm_user_t *userp,
1659                       IN AFSFileID FileId,
1660                       IN WCHAR *FileNameCounted,
1661                       IN DWORD FileNameLength,
1662                       IN AFSFileCleanupCB *CleanupCB,
1663                       IN BOOL bWow64,
1664                       IN BOOL bLastHandle,
1665                       IN BOOL bDeleteFile,
1666                       IN BOOL bUnlockFile,
1667                       IN DWORD ResultBufferLength,
1668                       IN OUT AFSCommResult **ResultCB)
1669 {
1670     AFSFileCleanupResultCB *pResultCB = NULL;
1671     size_t size = sizeof(AFSCommResult) + ResultBufferLength - 1;
1672     cm_fid_t            Fid;
1673     cm_fid_t            parentFid;
1674     afs_uint32          code = 0;
1675     afs_uint32          flags = 0;
1676     cm_attr_t           setAttr;
1677     cm_scache_t *       scp = NULL;
1678     cm_scache_t *       dscp = NULL;
1679     cm_req_t            req;
1680     time_t              clientModTime;
1681     FILETIME            ft;
1682     DWORD               status;
1683     BOOL                bScpLocked = FALSE;
1684     BOOL                bDscpLocked = FALSE;
1685     BOOL                bFlushFile = FALSE;
1686     cm_key_t            key;
1687
1688     RDR_InitReq(&req, bWow64);
1689     memset(&setAttr, 0, sizeof(cm_attr_t));
1690
1691     osi_Log4(afsd_logp, "RDR_CleanupFileEntry parent FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
1692               CleanupCB->ParentId.Cell, CleanupCB->ParentId.Volume,
1693               CleanupCB->ParentId.Vnode, CleanupCB->ParentId.Unique);
1694     osi_Log4(afsd_logp, "... object FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
1695               FileId.Cell, FileId.Volume,
1696               FileId.Vnode, FileId.Unique);
1697
1698     *ResultCB = (AFSCommResult *)malloc( size);
1699     if (!(*ResultCB)) {
1700         osi_Log0(afsd_logp, "RDR_CleanupFileEntry Out of Memory");
1701         return;
1702     }
1703
1704     memset( *ResultCB,
1705             '\0',
1706             size);
1707
1708     parentFid.cell   = CleanupCB->ParentId.Cell;
1709     parentFid.volume = CleanupCB->ParentId.Volume;
1710     parentFid.vnode  = CleanupCB->ParentId.Vnode;
1711     parentFid.unique = CleanupCB->ParentId.Unique;
1712     parentFid.hash   = CleanupCB->ParentId.Hash;
1713
1714     if (parentFid.cell) {
1715         code = cm_GetSCache(&parentFid, NULL, &dscp, userp, &req);
1716         if (code) {
1717             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1718             if ( status == STATUS_INVALID_HANDLE)
1719                 status = STATUS_OBJECT_PATH_INVALID;
1720             (*ResultCB)->ResultStatus = status;
1721             osi_Log2(afsd_logp, "RDR_CleanupFileEntry cm_GetSCache ParentFID failure code=0x%x status=0x%x",
1722                      code, status);
1723             return;
1724         }
1725
1726         lock_ObtainWrite(&dscp->rw);
1727         bDscpLocked = TRUE;
1728         code = cm_SyncOp(dscp, NULL, userp, &req, 0,
1729                          CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1730         if (code) {
1731             osi_Log2(afsd_logp, "RDR_CleanupFileEntry cm_SyncOp failure dscp=0x%p code=0x%x",
1732                     dscp, code);
1733             if (code)
1734                 goto on_error;
1735         }
1736
1737         cm_SyncOpDone(dscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1738         lock_ReleaseWrite(&dscp->rw);
1739         bDscpLocked = FALSE;
1740
1741         if (dscp->fileType != CM_SCACHETYPE_DIRECTORY) {
1742             (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
1743             cm_ReleaseSCache(dscp);
1744             osi_Log1(afsd_logp, "RDR_CleanupFileEntry Not a Directory dscp=0x%p",
1745                      dscp);
1746             if (code)
1747                 goto on_error;
1748         }
1749     }
1750
1751     Fid.cell   = FileId.Cell;
1752     Fid.volume = FileId.Volume;
1753     Fid.vnode  = FileId.Vnode;
1754     Fid.unique = FileId.Unique;
1755     Fid.hash   = FileId.Hash;
1756
1757     code = cm_GetSCache(&Fid, dscp ? &dscp->fid : NULL, &scp, userp, &req);
1758     if (code) {
1759         osi_Log1(afsd_logp, "RDR_CleanupFileEntry cm_GetSCache object FID failure code=0x%x",
1760                  code);
1761         goto on_error;
1762     }
1763
1764     lock_ObtainWrite(&scp->rw);
1765     bScpLocked = TRUE;
1766     code = cm_SyncOp(scp, NULL, userp, &req, 0,
1767                       CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_NEEDCALLBACK);
1768     if (code) {
1769         osi_Log2(afsd_logp, "RDR_CleanupFileEntry cm_SyncOp failure scp=0x%p code=0x%x",
1770                  scp, code);
1771         goto on_error;
1772     }
1773     cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1774
1775     if ((bLastHandle || bFlushFile) &&
1776         scp->redirBufCount > 0)
1777     {
1778         LARGE_INTEGER heldExtents;
1779         AFSFileExtentCB extentList[1024];
1780         DWORD extentCount = 0;
1781         cm_buf_t *srbp;
1782         time_t now;
1783
1784         time(&now);
1785         heldExtents.QuadPart = 0;
1786
1787         for ( srbp = redirq_to_cm_buf_t(scp->redirQueueT);
1788               srbp;
1789               srbp = redirq_to_cm_buf_t(osi_QPrev(&srbp->redirq)))
1790         {
1791             extentList[extentCount].Flags = 0;
1792             extentList[extentCount].Length = cm_data.blockSize;
1793             extentList[extentCount].FileOffset.QuadPart = srbp->offset.QuadPart;
1794             extentList[extentCount].CacheOffset.QuadPart = srbp->datap - RDR_extentBaseAddress;
1795             lock_ObtainWrite(&buf_globalLock);
1796             srbp->redirReleaseRequested = now;
1797             lock_ReleaseWrite(&buf_globalLock);
1798             extentCount++;
1799
1800             if (extentCount == 1024) {
1801                 lock_ReleaseWrite(&scp->rw);
1802                 code = RDR_RequestExtentRelease(&scp->fid, heldExtents, extentCount, extentList);
1803                 if (code) {
1804                     if (code == CM_ERROR_RETRY) {
1805                         /*
1806                          * The redirector either is not holding the extents or cannot let them
1807                          * go because they are otherwise in use.  At the moment, do nothing.
1808                          */
1809                     } else
1810                         break;
1811                 }
1812                 extentCount = 0;
1813                 bFlushFile = TRUE;
1814                 lock_ObtainWrite(&scp->rw);
1815             }
1816         }
1817
1818         if (code == 0 && extentCount > 0) {
1819             if (bScpLocked) {
1820                 lock_ReleaseWrite(&scp->rw);
1821                 bScpLocked = FALSE;
1822             }
1823             code = RDR_RequestExtentRelease(&scp->fid, heldExtents, extentCount, extentList);
1824             bFlushFile = TRUE;
1825         }
1826     }
1827
1828     /* No longer in use by redirector */
1829     if (!bScpLocked) {
1830         lock_ObtainWrite(&scp->rw);
1831         bScpLocked = TRUE;
1832     }
1833
1834     if (bLastHandle) {
1835         lock_AssertWrite(&scp->rw);
1836         scp->flags &= ~CM_SCACHEFLAG_RDR_IN_USE;
1837     }
1838
1839     /* If not a readonly object, flush dirty data and update metadata */
1840     if (!(scp->flags & CM_SCACHEFLAG_RO)) {
1841         if ((bLastHandle || bFlushFile) &&
1842              buf_DirtyBuffersExist(&scp->fid)) {
1843             if (!bScpLocked) {
1844                 lock_ObtainWrite(&scp->rw);
1845                 bScpLocked = TRUE;
1846             }
1847             code = cm_SyncOp(scp, NULL, userp, &req, PRSFS_WRITE,
1848                              CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1849             if (code == 0) {
1850                 if (bScpLocked) {
1851                     lock_ReleaseWrite(&scp->rw);
1852                     bScpLocked = FALSE;
1853                 }
1854
1855                 code = cm_FSync(scp, userp, &req, bScpLocked);
1856             }
1857             if (bLastHandle && code)
1858                 goto unlock;
1859         }
1860
1861         if (CleanupCB->ChangeTime.QuadPart) {
1862
1863             if (scp->fileType == CM_SCACHETYPE_FILE) {
1864                 /* Do not set length and other attributes at the same time */
1865                 if (scp->length.QuadPart != CleanupCB->AllocationSize.QuadPart) {
1866                     osi_Log2(afsd_logp, "RDR_CleanupFileEntry Length Change 0x%x -> 0x%x",
1867                              (afs_uint32)scp->length.QuadPart, (afs_uint32)CleanupCB->AllocationSize.QuadPart);
1868                     setAttr.mask |= CM_ATTRMASK_LENGTH;
1869                     setAttr.length.LowPart = CleanupCB->AllocationSize.LowPart;
1870                     setAttr.length.HighPart = CleanupCB->AllocationSize.HighPart;
1871
1872                     if (bScpLocked) {
1873                         lock_ReleaseWrite(&scp->rw);
1874                         bScpLocked = FALSE;
1875                     }
1876                     code = cm_SetAttr(scp, &setAttr, userp, &req);
1877                     if (code)
1878                         goto unlock;
1879                     setAttr.mask = 0;
1880                 }
1881             }
1882
1883             if (!bScpLocked) {
1884                 lock_ObtainWrite(&scp->rw);
1885                 bScpLocked = TRUE;
1886             }
1887
1888             if ((scp->unixModeBits & 0200) && (CleanupCB->FileAttributes & FILE_ATTRIBUTE_READONLY)) {
1889                 setAttr.mask |= CM_ATTRMASK_UNIXMODEBITS;
1890                 setAttr.unixModeBits = scp->unixModeBits & ~0222;
1891             } else if (!(scp->unixModeBits & 0200) && !(CleanupCB->FileAttributes & FILE_ATTRIBUTE_READONLY)) {
1892                 setAttr.mask |= CM_ATTRMASK_UNIXMODEBITS;
1893                 setAttr.unixModeBits = scp->unixModeBits | 0222;
1894             }
1895         }
1896
1897         if (CleanupCB->LastWriteTime.QuadPart) {
1898             ft.dwLowDateTime = CleanupCB->LastWriteTime.LowPart;
1899             ft.dwHighDateTime = CleanupCB->LastWriteTime.HighPart;
1900
1901             cm_UnixTimeFromLargeSearchTime(&clientModTime, &ft);
1902             if (scp->clientModTime != clientModTime) {
1903                 setAttr.mask |= CM_ATTRMASK_CLIENTMODTIME;
1904                 setAttr.clientModTime = clientModTime;
1905             }
1906         }
1907
1908         /* call setattr */
1909         if (setAttr.mask) {
1910             if (bScpLocked) {
1911                 lock_ReleaseWrite(&scp->rw);
1912                 bScpLocked = FALSE;
1913             }
1914             code = cm_SetAttr(scp, &setAttr, userp, &req);
1915         } else
1916             code = 0;
1917     }
1918
1919   unlock:
1920     /* Now drop the lock enforcing the share access */
1921     if ( CleanupCB->FileAccess != AFS_FILE_ACCESS_NOLOCK) {
1922         unsigned int sLockType;
1923         LARGE_INTEGER LOffset, LLength;
1924
1925         if (CleanupCB->FileAccess == AFS_FILE_ACCESS_SHARED)
1926             sLockType = LOCKING_ANDX_SHARED_LOCK;
1927         else
1928             sLockType = 0;
1929
1930         key = cm_GenerateKey(CM_SESSION_IFS, SMB_FID_QLOCK_PID, CleanupCB->Identifier);
1931
1932         LOffset.HighPart = SMB_FID_QLOCK_HIGH;
1933         LOffset.LowPart = SMB_FID_QLOCK_LOW;
1934         LLength.HighPart = 0;
1935         LLength.LowPart = SMB_FID_QLOCK_LENGTH;
1936
1937         if (!bScpLocked) {
1938             lock_ObtainWrite(&scp->rw);
1939             bScpLocked = TRUE;
1940         }
1941
1942         code = cm_SyncOp(scp, NULL, userp, &req, 0, CM_SCACHESYNC_LOCK);
1943         if (code == 0)
1944         {
1945             code = cm_Unlock(scp, sLockType, LOffset, LLength, key, 0, userp, &req);
1946
1947             cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_LOCK);
1948
1949             if (code == CM_ERROR_RANGE_NOT_LOCKED)
1950             {
1951                 osi_Log3(afsd_logp, "RDR_CleanupFileEntry Range Not Locked -- FileAccess 0x%x ProcessId 0x%x HandleId 0x%x",
1952                          CleanupCB->FileAccess, CleanupCB->ProcessId, CleanupCB->Identifier);
1953
1954             }
1955         }
1956     }
1957
1958     if (bUnlockFile || bDeleteFile) {
1959         if (!bScpLocked) {
1960             lock_ObtainWrite(&scp->rw);
1961             bScpLocked = TRUE;
1962         }
1963         code = cm_SyncOp(scp, NULL, userp, &req, 0,
1964                           CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
1965         if (code) {
1966             osi_Log2(afsd_logp, "RDR_CleanupFileEntry cm_SyncOp (2) failure scp=0x%p code=0x%x",
1967                      scp, code);
1968             goto on_error;
1969         }
1970
1971         key = cm_GenerateKey(CM_SESSION_IFS, CleanupCB->ProcessId, 0);
1972
1973         /* the scp is now locked and current */
1974         code = cm_UnlockByKey(scp, key,
1975                               bDeleteFile ? CM_UNLOCK_FLAG_BY_FID : 0,
1976                               userp, &req);
1977
1978         cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
1979
1980         if (code)
1981             goto on_error;
1982     }
1983
1984   on_error:
1985     if (bDscpLocked)
1986         lock_ReleaseWrite(&dscp->rw);
1987     if (bScpLocked)
1988         lock_ReleaseWrite(&scp->rw);
1989
1990     if (code == 0 && dscp && bDeleteFile) {
1991         WCHAR FileName[260];
1992
1993         StringCchCopyNW(FileName, 260, FileNameCounted, FileNameLength / sizeof(WCHAR));
1994
1995         if (scp->fileType == CM_SCACHETYPE_DIRECTORY)
1996             code = cm_RemoveDir(dscp, NULL, FileName, userp, &req);
1997         else
1998             code = cm_Unlink(dscp, NULL, FileName, userp, &req);
1999     }
2000
2001     if (code == 0) {
2002         if ( ResultBufferLength >=  sizeof( AFSFileCleanupResultCB))
2003         {
2004             (*ResultCB)->ResultBufferLength = sizeof( AFSFileCleanupResultCB);
2005             pResultCB = (AFSFileCleanupResultCB *)&(*ResultCB)->ResultData;
2006             pResultCB->ParentDataVersion.QuadPart = dscp ? dscp->dataVersion : 0;
2007         } else {
2008             (*ResultCB)->ResultBufferLength = 0;
2009         }
2010
2011         (*ResultCB)->ResultStatus = 0;
2012         osi_Log0(afsd_logp, "RDR_CleanupFileEntry SUCCESS");
2013     } else {
2014         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2015         (*ResultCB)->ResultStatus = status;
2016         osi_Log2(afsd_logp, "RDR_CleanupFileEntry FAILURE code=0x%x status=0x%x",
2017                   code, status);
2018     }
2019
2020     if (scp)
2021         cm_ReleaseSCache(scp);
2022     if (dscp)
2023         cm_ReleaseSCache(dscp);
2024
2025     return;
2026 }
2027
2028 void
2029 RDR_DeleteFileEntry( IN cm_user_t *userp,
2030                      IN AFSFileID ParentId,
2031                      IN ULONGLONG ProcessId,
2032                      IN WCHAR *FileNameCounted,
2033                      IN DWORD FileNameLength,
2034                      IN BOOL bWow64,
2035                      IN BOOL bCheckOnly,
2036                      IN DWORD ResultBufferLength,
2037                      IN OUT AFSCommResult **ResultCB)
2038 {
2039
2040     AFSFileDeleteResultCB *pResultCB = NULL;
2041     size_t size = sizeof(AFSCommResult) + ResultBufferLength - 1;
2042     cm_fid_t            parentFid;
2043     afs_uint32          code;
2044     cm_scache_t *       dscp = NULL;
2045     cm_scache_t *       scp = NULL;
2046     afs_uint32          flags = 0;
2047     cm_attr_t           setAttr;
2048     cm_req_t            req;
2049     DWORD               status;
2050     wchar_t             FileName[260];
2051     cm_key_t            key;
2052
2053     StringCchCopyNW(FileName, 260, FileNameCounted, FileNameLength / sizeof(WCHAR));
2054
2055     osi_Log4(afsd_logp, "RDR_DeleteFileEntry parent FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
2056               ParentId.Cell,  ParentId.Volume,
2057               ParentId.Vnode, ParentId.Unique);
2058     osi_Log2(afsd_logp, "... name=%S checkOnly=%x",
2059              osi_LogSaveStringW(afsd_logp, FileName),
2060              bCheckOnly);
2061
2062     RDR_InitReq(&req, bWow64);
2063     memset(&setAttr, 0, sizeof(cm_attr_t));
2064
2065     *ResultCB = (AFSCommResult *)malloc( size);
2066     if (!(*ResultCB)) {
2067         osi_Log0(afsd_logp, "RDR_DeleteFileEntry out of memory");
2068         return;
2069     }
2070
2071     memset( *ResultCB,
2072             '\0',
2073             size);
2074
2075     parentFid.cell   = ParentId.Cell;
2076     parentFid.volume = ParentId.Volume;
2077     parentFid.vnode  = ParentId.Vnode;
2078     parentFid.unique = ParentId.Unique;
2079     parentFid.hash   = ParentId.Hash;
2080
2081     code = cm_GetSCache(&parentFid, NULL, &dscp, userp, &req);
2082     if (code) {
2083         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2084         if ( status == STATUS_INVALID_HANDLE)
2085             status = STATUS_OBJECT_PATH_INVALID;
2086         (*ResultCB)->ResultStatus = status;
2087         osi_Log2(afsd_logp, "RDR_DeleteFileEntry cm_GetSCache ParentFID failure code=0x%x status=0x%x",
2088                   code, status);
2089         return;
2090     }
2091
2092     lock_ObtainWrite(&dscp->rw);
2093
2094     code = cm_SyncOp(dscp, NULL, userp, &req, 0,
2095                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2096     if (code) {
2097         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2098         (*ResultCB)->ResultStatus = status;
2099         (*ResultCB)->ResultBufferLength = 0;
2100         lock_ReleaseWrite(&dscp->rw);
2101         cm_ReleaseSCache(dscp);
2102         osi_Log3(afsd_logp, "RDR_DeleteFileEntry cm_SyncOp failure dscp=0x%p code=0x%x status=0x%x",
2103                  dscp, code, status);
2104         return;
2105     }
2106
2107     cm_SyncOpDone(dscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2108     lock_ReleaseWrite(&dscp->rw);
2109
2110     if (dscp->fileType != CM_SCACHETYPE_DIRECTORY) {
2111         (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
2112         cm_ReleaseSCache(dscp);
2113         osi_Log1(afsd_logp, "RDR_DeleteFileEntry Not a Directory dscp=0x%p",
2114                  dscp);
2115         return;
2116     }
2117
2118     code = cm_Lookup(dscp, FileName, 0, userp, &req, &scp);
2119     if (code) {
2120         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2121         (*ResultCB)->ResultStatus = status;
2122         (*ResultCB)->ResultBufferLength = 0;
2123         cm_ReleaseSCache(dscp);
2124         osi_Log2(afsd_logp, "RDR_DeleteFileEntry cm_Lookup failure code=0x%x status=0x%x",
2125                  code, status);
2126         return;
2127     }
2128
2129     lock_ObtainWrite(&scp->rw);
2130     code = cm_SyncOp(scp, NULL, userp, &req, PRSFS_DELETE,
2131                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2132     if (code) {
2133         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2134         (*ResultCB)->ResultStatus = status;
2135         (*ResultCB)->ResultBufferLength = 0;
2136         lock_ReleaseWrite(&scp->rw);
2137         cm_ReleaseSCache(scp);
2138         cm_ReleaseSCache(dscp);
2139         osi_Log3(afsd_logp, "RDR_DeleteFileEntry cm_SyncOp failure scp=0x%p code=0x%x status=0x%x",
2140                  scp, code, status);
2141         return;
2142     }
2143
2144     if (!bCheckOnly) {
2145         /* Drop all locks since the file is being deleted */
2146         code = cm_SyncOp(scp, NULL, userp, &req, 0,
2147                          CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
2148         if (code) {
2149             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2150             (*ResultCB)->ResultStatus = status;
2151             (*ResultCB)->ResultBufferLength = 0;
2152             lock_ReleaseWrite(&scp->rw);
2153             cm_ReleaseSCache(scp);
2154             cm_ReleaseSCache(dscp);
2155             osi_Log3(afsd_logp, "RDR_DeleteFileEntry cm_SyncOp Lock failure scp=0x%p code=0x%x status=0x%x",
2156                      scp, code, status);
2157         }
2158
2159         /* the scp is now locked and current */
2160         key = cm_GenerateKey(CM_SESSION_IFS, ProcessId, 0);
2161
2162         code = cm_UnlockByKey(scp, key,
2163                               CM_UNLOCK_FLAG_BY_FID,
2164                               userp, &req);
2165
2166         cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
2167         lock_ReleaseWrite(&scp->rw);
2168
2169         if (scp->fileType == CM_SCACHETYPE_DIRECTORY)
2170             code = cm_RemoveDir(dscp, NULL, FileName, userp, &req);
2171         else
2172             code = cm_Unlink(dscp, NULL, FileName, userp, &req);
2173     } else {
2174         lock_ReleaseWrite(&scp->rw);
2175     }
2176
2177     if (code == 0) {
2178         (*ResultCB)->ResultStatus = 0;  // We will be able to fit all the data in here
2179
2180         (*ResultCB)->ResultBufferLength = sizeof( AFSFileDeleteResultCB);
2181
2182         pResultCB = (AFSFileDeleteResultCB *)(*ResultCB)->ResultData;
2183
2184         pResultCB->ParentDataVersion.QuadPart = dscp->dataVersion;
2185         osi_Log0(afsd_logp, "RDR_DeleteFileEntry SUCCESS");
2186     } else {
2187         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2188         (*ResultCB)->ResultStatus = status;
2189         (*ResultCB)->ResultBufferLength = 0;
2190         osi_Log2(afsd_logp, "RDR_DeleteFileEntry FAILURE code=0x%x status=0x%x",
2191                   code, status);
2192     }
2193
2194     cm_ReleaseSCache(dscp);
2195     cm_ReleaseSCache(scp);
2196
2197     return;
2198 }
2199
2200 void
2201 RDR_RenameFileEntry( IN cm_user_t *userp,
2202                      IN WCHAR    *SourceFileNameCounted,
2203                      IN DWORD     SourceFileNameLength,
2204                      IN AFSFileID SourceFileId,
2205                      IN AFSFileRenameCB *pRenameCB,
2206                      IN BOOL bWow64,
2207                      IN DWORD ResultBufferLength,
2208                      IN OUT AFSCommResult **ResultCB)
2209 {
2210
2211     AFSFileRenameResultCB *pResultCB = NULL;
2212     size_t size = sizeof(AFSCommResult) + ResultBufferLength - 1;
2213     AFSFileID              SourceParentId   = pRenameCB->SourceParentId;
2214     AFSFileID              TargetParentId   = pRenameCB->TargetParentId;
2215     WCHAR *                TargetFileNameCounted = pRenameCB->TargetName;
2216     DWORD                  TargetFileNameLength = pRenameCB->TargetNameLength;
2217     cm_fid_t               SourceParentFid;
2218     cm_fid_t               TargetParentFid;
2219     cm_fid_t               SourceFid;
2220     cm_fid_t               OrigTargetFid = {0,0,0,0,0};
2221     cm_fid_t               TargetFid;
2222     cm_scache_t *          oldDscp;
2223     cm_scache_t *          newDscp;
2224     cm_dirOp_t dirop;
2225     wchar_t                shortName[13];
2226     wchar_t                SourceFileName[260];
2227     wchar_t                TargetFileName[260];
2228     cm_dirFid_t            dfid;
2229     cm_req_t               req;
2230     afs_uint32             code;
2231     DWORD                  status;
2232
2233     RDR_InitReq(&req, bWow64);
2234
2235     StringCchCopyNW(SourceFileName, 260, SourceFileNameCounted, SourceFileNameLength / sizeof(WCHAR));
2236     StringCchCopyNW(TargetFileName, 260, TargetFileNameCounted, TargetFileNameLength / sizeof(WCHAR));
2237
2238     osi_Log4(afsd_logp, "RDR_RenameFileEntry Source Parent FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
2239               SourceParentId.Cell,  SourceParentId.Volume,
2240               SourceParentId.Vnode, SourceParentId.Unique);
2241     osi_Log2(afsd_logp, "... Source Name=%S Length %u", osi_LogSaveStringW(afsd_logp, SourceFileName), SourceFileNameLength);
2242     osi_Log4(afsd_logp, "... Target Parent FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
2243               TargetParentId.Cell,  TargetParentId.Volume,
2244               TargetParentId.Vnode, TargetParentId.Unique);
2245     osi_Log2(afsd_logp, "... Target Name=%S Length %u", osi_LogSaveStringW(afsd_logp, TargetFileName), TargetFileNameLength);
2246
2247     *ResultCB = (AFSCommResult *)malloc( size);
2248     if (!(*ResultCB))
2249         return;
2250
2251     memset( *ResultCB,
2252             '\0',
2253             size);
2254
2255     pResultCB = (AFSFileRenameResultCB *)(*ResultCB)->ResultData;
2256
2257     if (SourceFileNameLength == 0 || TargetFileNameLength == 0)
2258     {
2259         osi_Log2(afsd_logp, "RDR_RenameFileEntry Invalid Name Length: src %u target %u",
2260                  SourceFileNameLength, TargetFileNameLength);
2261         (*ResultCB)->ResultStatus = STATUS_INVALID_PARAMETER;
2262         return;
2263     }
2264
2265     SourceParentFid.cell   = SourceParentId.Cell;
2266     SourceParentFid.volume = SourceParentId.Volume;
2267     SourceParentFid.vnode  = SourceParentId.Vnode;
2268     SourceParentFid.unique = SourceParentId.Unique;
2269     SourceParentFid.hash   = SourceParentId.Hash;
2270
2271     TargetParentFid.cell   = TargetParentId.Cell;
2272     TargetParentFid.volume = TargetParentId.Volume;
2273     TargetParentFid.vnode  = TargetParentId.Vnode;
2274     TargetParentFid.unique = TargetParentId.Unique;
2275     TargetParentFid.hash   = TargetParentId.Hash;
2276
2277     code = cm_GetSCache(&SourceParentFid, NULL, &oldDscp, userp, &req);
2278     if (code) {
2279         osi_Log1(afsd_logp, "RDR_RenameFileEntry cm_GetSCache source parent failed code 0x%x", code);
2280         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2281         if ( status == STATUS_INVALID_HANDLE)
2282             status = STATUS_OBJECT_PATH_INVALID;
2283         (*ResultCB)->ResultStatus = status;
2284         return;
2285     }
2286
2287     lock_ObtainWrite(&oldDscp->rw);
2288     code = cm_SyncOp(oldDscp, NULL, userp, &req, 0,
2289                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2290     if (code) {
2291         osi_Log2(afsd_logp, "RDR_RenameFileEntry cm_SyncOp oldDscp 0x%p failed code 0x%x", oldDscp, 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         lock_ReleaseWrite(&oldDscp->rw);
2297         cm_ReleaseSCache(oldDscp);
2298         return;
2299     }
2300
2301     cm_SyncOpDone(oldDscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2302     lock_ReleaseWrite(&oldDscp->rw);
2303
2304
2305     if (oldDscp->fileType != CM_SCACHETYPE_DIRECTORY) {
2306         osi_Log1(afsd_logp, "RDR_RenameFileEntry oldDscp 0x%p not a directory", oldDscp);
2307         (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
2308         cm_ReleaseSCache(oldDscp);
2309         return;
2310     }
2311
2312     code = cm_GetSCache(&TargetParentFid, NULL, &newDscp, userp, &req);
2313     if (code) {
2314         osi_Log1(afsd_logp, "RDR_RenameFileEntry cm_GetSCache target parent failed code 0x%x", code);
2315         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2316         (*ResultCB)->ResultStatus = status;
2317         cm_ReleaseSCache(oldDscp);
2318         return;
2319     }
2320
2321     lock_ObtainWrite(&newDscp->rw);
2322     code = cm_SyncOp(newDscp, NULL, userp, &req, 0,
2323                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2324     if (code) {
2325         osi_Log2(afsd_logp, "RDR_RenameFileEntry cm_SyncOp newDscp 0x%p failed code 0x%x", newDscp, code);
2326         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2327         (*ResultCB)->ResultStatus = status;
2328         lock_ReleaseWrite(&newDscp->rw);
2329         cm_ReleaseSCache(oldDscp);
2330         cm_ReleaseSCache(newDscp);
2331         return;
2332     }
2333
2334     cm_SyncOpDone(newDscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2335     lock_ReleaseWrite(&newDscp->rw);
2336
2337
2338     if (newDscp->fileType != CM_SCACHETYPE_DIRECTORY) {
2339         osi_Log1(afsd_logp, "RDR_RenameFileEntry newDscp 0x%p not a directory", newDscp);
2340         (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
2341         cm_ReleaseSCache(oldDscp);
2342         cm_ReleaseSCache(newDscp);
2343         return;
2344     }
2345
2346     /* Obtain the original FID just for debugging purposes */
2347     code = cm_BeginDirOp( oldDscp, userp, &req, CM_DIRLOCK_READ, CM_DIROP_FLAG_NONE, &dirop);
2348     if (code == 0) {
2349         code = cm_BPlusDirLookup(&dirop, SourceFileName, &SourceFid);
2350         code = cm_BPlusDirLookup(&dirop, TargetFileName, &OrigTargetFid);
2351         cm_EndDirOp(&dirop);
2352     }
2353
2354     code = cm_Rename( oldDscp, NULL, SourceFileName,
2355                       newDscp, TargetFileName, userp, &req);
2356     if (code == 0) {
2357         cm_scache_t *scp = 0;
2358         DWORD dwRemaining;
2359
2360         (*ResultCB)->ResultBufferLength = ResultBufferLength;
2361         dwRemaining = ResultBufferLength - sizeof( AFSFileRenameResultCB) + sizeof( AFSDirEnumEntry);
2362         (*ResultCB)->ResultStatus = 0;
2363
2364         pResultCB->SourceParentDataVersion.QuadPart = oldDscp->dataVersion;
2365         pResultCB->TargetParentDataVersion.QuadPart = newDscp->dataVersion;
2366
2367         osi_Log2(afsd_logp, "RDR_RenameFileEntry cm_Rename oldDscp 0x%p newDscp 0x%p SUCCESS",
2368                  oldDscp, newDscp);
2369
2370         code = cm_BeginDirOp( newDscp, userp, &req, CM_DIRLOCK_READ, CM_DIROP_FLAG_NONE, &dirop);
2371         if (code == 0) {
2372             code = cm_BPlusDirLookup(&dirop, TargetFileName, &TargetFid);
2373             cm_EndDirOp(&dirop);
2374         }
2375
2376         if (code != 0) {
2377             osi_Log1(afsd_logp, "RDR_RenameFileEntry cm_BPlusDirLookup failed code 0x%x",
2378                      code);
2379             (*ResultCB)->ResultStatus = STATUS_OBJECT_PATH_INVALID;
2380             cm_ReleaseSCache(oldDscp);
2381             cm_ReleaseSCache(newDscp);
2382             return;
2383         }
2384
2385         osi_Log4(afsd_logp, "RDR_RenameFileEntry Target FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
2386                   TargetFid.cell,  TargetFid.volume,
2387                   TargetFid.vnode, TargetFid.unique);
2388
2389         code = cm_GetSCache(&TargetFid, &newDscp->fid, &scp, userp, &req);
2390         if (code) {
2391             osi_Log1(afsd_logp, "RDR_RenameFileEntry cm_GetSCache target failed code 0x%x", code);
2392             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2393             (*ResultCB)->ResultStatus = status;
2394             cm_ReleaseSCache(oldDscp);
2395             cm_ReleaseSCache(newDscp);
2396             return;
2397         }
2398
2399         /* Make sure the source vnode is current */
2400         lock_ObtainWrite(&scp->rw);
2401         code = cm_SyncOp(scp, NULL, userp, &req, 0,
2402                           CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2403         if (code) {
2404             osi_Log2(afsd_logp, "RDR_RenameFileEntry cm_SyncOp scp 0x%p failed code 0x%x", scp, code);
2405             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2406             (*ResultCB)->ResultStatus = status;
2407             lock_ReleaseWrite(&scp->rw);
2408             cm_ReleaseSCache(oldDscp);
2409             cm_ReleaseSCache(newDscp);
2410             cm_ReleaseSCache(scp);
2411             return;
2412         }
2413
2414         cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2415         lock_ReleaseWrite(&scp->rw);
2416
2417         if (cm_shortNames) {
2418             dfid.vnode = htonl(scp->fid.vnode);
2419             dfid.unique = htonl(scp->fid.unique);
2420
2421             if (!cm_Is8Dot3(TargetFileName))
2422                 cm_Gen8Dot3NameIntW(TargetFileName, &dfid, shortName, NULL);
2423             else
2424                 shortName[0] = '\0';
2425         }
2426
2427         RDR_PopulateCurrentEntry(&pResultCB->DirEnum, dwRemaining,
2428                                  newDscp, scp, userp, &req, TargetFileName, shortName,
2429                                  RDR_POP_FOLLOW_MOUNTPOINTS | RDR_POP_EVALUATE_SYMLINKS,
2430                                  0, NULL, &dwRemaining);
2431         (*ResultCB)->ResultBufferLength = ResultBufferLength - dwRemaining;
2432         cm_ReleaseSCache(scp);
2433
2434         osi_Log0(afsd_logp, "RDR_RenameFileEntry SUCCESS");
2435     } else {
2436         osi_Log3(afsd_logp, "RDR_RenameFileEntry cm_Rename oldDscp 0x%p newDscp 0x%p failed code 0x%x",
2437                  oldDscp, newDscp, code);
2438         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2439         (*ResultCB)->ResultStatus = status;
2440         (*ResultCB)->ResultBufferLength = 0;
2441     }
2442
2443     cm_ReleaseSCache(oldDscp);
2444     cm_ReleaseSCache(newDscp);
2445     return;
2446 }
2447
2448 /*
2449  * AFS does not support cross-directory hard links but RDR_HardLinkFileEntry
2450  * is written as if AFS does.  The check for cross-directory links is
2451  * implemented in cm_Link().
2452  *
2453  * Windows supports optional ReplaceIfExists functionality.  The AFS file
2454  * server does not.  If the target name already exists and bReplaceIfExists
2455  * is true, check to see if the user has insert permission before calling
2456  * cm_Unlink() on the existing object.  If the user does not have insert
2457  * permission return STATUS_ACCESS_DENIED.
2458  */
2459
2460 void
2461 RDR_HardLinkFileEntry( IN cm_user_t *userp,
2462                        IN WCHAR    *SourceFileNameCounted,
2463                        IN DWORD     SourceFileNameLength,
2464                        IN AFSFileID SourceFileId,
2465                        IN AFSFileHardLinkCB *pHardLinkCB,
2466                        IN BOOL bWow64,
2467                        IN DWORD ResultBufferLength,
2468                        IN OUT AFSCommResult **ResultCB)
2469 {
2470
2471     AFSFileHardLinkResultCB *pResultCB = NULL;
2472     size_t size = sizeof(AFSCommResult) + ResultBufferLength - 1;
2473     AFSFileID              SourceParentId   = pHardLinkCB->SourceParentId;
2474     AFSFileID              TargetParentId   = pHardLinkCB->TargetParentId;
2475     WCHAR *                TargetFileNameCounted = pHardLinkCB->TargetName;
2476     DWORD                  TargetFileNameLength = pHardLinkCB->TargetNameLength;
2477     cm_fid_t               SourceParentFid;
2478     cm_fid_t               TargetParentFid;
2479     cm_fid_t               SourceFid;
2480     cm_fid_t               OrigTargetFid = {0,0,0,0,0};
2481     cm_scache_t *          srcDscp = NULL;
2482     cm_scache_t *          targetDscp = NULL;
2483     cm_scache_t *          srcScp = NULL;
2484     cm_dirOp_t             dirop;
2485     wchar_t                shortName[13];
2486     wchar_t                SourceFileName[260];
2487     wchar_t                TargetFileName[260];
2488     cm_dirFid_t            dfid;
2489     cm_req_t               req;
2490     afs_uint32             code;
2491     DWORD                  status;
2492
2493     RDR_InitReq(&req, bWow64);
2494
2495     StringCchCopyNW(SourceFileName, 260, SourceFileNameCounted, SourceFileNameLength / sizeof(WCHAR));
2496     StringCchCopyNW(TargetFileName, 260, TargetFileNameCounted, TargetFileNameLength / sizeof(WCHAR));
2497
2498     osi_Log4(afsd_logp, "RDR_HardLinkFileEntry Source Parent FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
2499               SourceParentId.Cell,  SourceParentId.Volume,
2500               SourceParentId.Vnode, SourceParentId.Unique);
2501     osi_Log2(afsd_logp, "... Source Name=%S Length %u", osi_LogSaveStringW(afsd_logp, SourceFileName), SourceFileNameLength);
2502     osi_Log4(afsd_logp, "... Target Parent FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
2503               TargetParentId.Cell,  TargetParentId.Volume,
2504               TargetParentId.Vnode, TargetParentId.Unique);
2505     osi_Log2(afsd_logp, "... Target Name=%S Length %u", osi_LogSaveStringW(afsd_logp, TargetFileName), TargetFileNameLength);
2506
2507     *ResultCB = (AFSCommResult *)malloc( size);
2508     if (!(*ResultCB))
2509         return;
2510
2511     memset( *ResultCB,
2512             '\0',
2513             size);
2514
2515     pResultCB = (AFSFileHardLinkResultCB *)(*ResultCB)->ResultData;
2516
2517     if (SourceFileNameLength == 0 || TargetFileNameLength == 0)
2518     {
2519         osi_Log2(afsd_logp, "RDR_HardLinkFileEntry Invalid Name Length: src %u target %u",
2520                  SourceFileNameLength, TargetFileNameLength);
2521         (*ResultCB)->ResultStatus = STATUS_INVALID_PARAMETER;
2522         return;
2523     }
2524
2525     SourceFid.cell   = SourceFileId.Cell;
2526     SourceFid.volume = SourceFileId.Volume;
2527     SourceFid.vnode  = SourceFileId.Vnode;
2528     SourceFid.unique = SourceFileId.Unique;
2529     SourceFid.hash   = SourceFileId.Hash;
2530
2531     SourceParentFid.cell   = SourceParentId.Cell;
2532     SourceParentFid.volume = SourceParentId.Volume;
2533     SourceParentFid.vnode  = SourceParentId.Vnode;
2534     SourceParentFid.unique = SourceParentId.Unique;
2535     SourceParentFid.hash   = SourceParentId.Hash;
2536
2537     TargetParentFid.cell   = TargetParentId.Cell;
2538     TargetParentFid.volume = TargetParentId.Volume;
2539     TargetParentFid.vnode  = TargetParentId.Vnode;
2540     TargetParentFid.unique = TargetParentId.Unique;
2541     TargetParentFid.hash   = TargetParentId.Hash;
2542
2543     code = cm_GetSCache(&SourceFid, NULL, &srcScp, userp, &req);
2544     if (code) {
2545         osi_Log1(afsd_logp, "RDR_HardLinkFileEntry cm_GetSCache source failed code 0x%x", code);
2546         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2547         (*ResultCB)->ResultStatus = status;
2548         return;
2549     }
2550
2551     code = cm_GetSCache(&TargetParentFid, NULL, &targetDscp, userp, &req);
2552     if (code) {
2553         osi_Log1(afsd_logp, "RDR_HardLinkFileEntry cm_GetSCache target parent failed code 0x%x", code);
2554         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2555         (*ResultCB)->ResultStatus = status;
2556         cm_ReleaseSCache(srcScp);
2557         return;
2558     }
2559
2560     lock_ObtainWrite(&targetDscp->rw);
2561     code = cm_SyncOp(targetDscp, NULL, userp, &req, PRSFS_INSERT,
2562                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2563     if (code) {
2564         osi_Log2(afsd_logp, "RDR_HardLinkFileEntry cm_SyncOp targetDscp 0x%p failed code 0x%x", targetDscp, code);
2565         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2566         (*ResultCB)->ResultStatus = status;
2567         lock_ReleaseWrite(&targetDscp->rw);
2568         cm_ReleaseSCache(srcScp);
2569         cm_ReleaseSCache(targetDscp);
2570         return;
2571     }
2572
2573     cm_SyncOpDone(targetDscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2574     lock_ReleaseWrite(&targetDscp->rw);
2575
2576     if (targetDscp->fileType != CM_SCACHETYPE_DIRECTORY) {
2577         osi_Log1(afsd_logp, "RDR_HardLinkFileEntry targetDscp 0x%p not a directory", targetDscp);
2578         (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
2579         cm_ReleaseSCache(srcScp);
2580         cm_ReleaseSCache(targetDscp);
2581         return;
2582     }
2583
2584     if ( cm_FidCmp(&SourceParentFid, &TargetParentFid) ) {
2585         code = cm_GetSCache(&SourceParentFid, NULL, &srcDscp, userp, &req);
2586         if (code) {
2587             osi_Log1(afsd_logp, "RDR_HardLinkFileEntry cm_GetSCache source parent failed code 0x%x", code);
2588             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2589             if ( status == STATUS_INVALID_HANDLE)
2590                 status = STATUS_OBJECT_PATH_INVALID;
2591             (*ResultCB)->ResultStatus = status;
2592             cm_ReleaseSCache(srcScp);
2593             cm_ReleaseSCache(targetDscp);
2594             return;
2595         }
2596
2597         lock_ObtainWrite(&srcDscp->rw);
2598         code = cm_SyncOp(srcDscp, NULL, userp, &req, 0,
2599                           CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2600         if (code) {
2601             osi_Log2(afsd_logp, "RDR_HardLinkFileEntry cm_SyncOp srcDscp 0x%p failed code 0x%x", srcDscp, code);
2602             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2603             if ( status == STATUS_INVALID_HANDLE)
2604                 status = STATUS_OBJECT_PATH_INVALID;
2605             (*ResultCB)->ResultStatus = status;
2606             lock_ReleaseWrite(&srcDscp->rw);
2607             if (srcDscp != targetDscp)
2608                 cm_ReleaseSCache(srcDscp);
2609             cm_ReleaseSCache(targetDscp);
2610             cm_ReleaseSCache(srcScp);
2611             return;
2612         }
2613
2614         cm_SyncOpDone(srcDscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2615         lock_ReleaseWrite(&srcDscp->rw);
2616
2617         if (srcDscp->fileType != CM_SCACHETYPE_DIRECTORY) {
2618             osi_Log1(afsd_logp, "RDR_HardLinkFileEntry srcDscp 0x%p not a directory", srcDscp);
2619             (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
2620             if (srcDscp != targetDscp)
2621                 cm_ReleaseSCache(srcDscp);
2622             cm_ReleaseSCache(targetDscp);
2623             cm_ReleaseSCache(srcScp);
2624             return;
2625         }
2626     } else {
2627         srcDscp = targetDscp;
2628     }
2629
2630     /* Obtain the target FID if it exists */
2631     code = cm_BeginDirOp( targetDscp, userp, &req, CM_DIRLOCK_READ, CM_DIROP_FLAG_NONE, &dirop);
2632     if (code == 0) {
2633         code = cm_BPlusDirLookup(&dirop, TargetFileName, &OrigTargetFid);
2634         cm_EndDirOp(&dirop);
2635     }
2636
2637     if (OrigTargetFid.vnode) {
2638
2639         /* An object exists with the target name */
2640         if (!pHardLinkCB->bReplaceIfExists) {
2641             osi_Log0(afsd_logp, "RDR_HardLinkFileEntry target name collision and !ReplaceIfExists");
2642             (*ResultCB)->ResultStatus = STATUS_OBJECT_NAME_COLLISION;
2643             if (srcDscp != targetDscp)
2644                 cm_ReleaseSCache(srcDscp);
2645             cm_ReleaseSCache(targetDscp);
2646             cm_ReleaseSCache(srcScp);
2647             return;
2648         }
2649
2650         lock_ObtainWrite(&targetDscp->rw);
2651         code = cm_SyncOp(targetDscp, NULL, userp, &req, PRSFS_INSERT | PRSFS_DELETE,
2652                           CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2653         if (code) {
2654             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2655             (*ResultCB)->ResultStatus = status;
2656             lock_ReleaseWrite(&srcDscp->rw);
2657             if (srcDscp != targetDscp)
2658                 cm_ReleaseSCache(srcDscp);
2659             cm_ReleaseSCache(targetDscp);
2660             cm_ReleaseSCache(srcScp);
2661             return;
2662         }
2663         cm_SyncOpDone(targetDscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2664         lock_ReleaseWrite(&targetDscp->rw);
2665
2666         code = cm_Unlink(targetDscp, NULL, TargetFileName, userp, &req);
2667         if (code) {
2668             osi_Log1(afsd_logp, "RDR_HardLinkFileEntry cm_Unlink code 0x%x", code);
2669             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2670             (*ResultCB)->ResultStatus = status;
2671             lock_ReleaseWrite(&srcDscp->rw);
2672             if (srcDscp != targetDscp)
2673                 cm_ReleaseSCache(srcDscp);
2674             cm_ReleaseSCache(targetDscp);
2675             cm_ReleaseSCache(srcScp);
2676             return;
2677         }
2678     }
2679
2680     code = cm_Link( targetDscp, TargetFileName, srcScp, 0, userp, &req);
2681     if (code == 0) {
2682         cm_fid_t TargetFid;
2683         cm_scache_t *targetScp = 0;
2684         DWORD dwRemaining;
2685
2686         (*ResultCB)->ResultBufferLength = ResultBufferLength;
2687         dwRemaining = ResultBufferLength - sizeof( AFSFileHardLinkResultCB) + sizeof( AFSDirEnumEntry);
2688         (*ResultCB)->ResultStatus = 0;
2689
2690         pResultCB->SourceParentDataVersion.QuadPart = srcDscp->dataVersion;
2691         pResultCB->TargetParentDataVersion.QuadPart = targetDscp->dataVersion;
2692
2693         osi_Log2(afsd_logp, "RDR_HardLinkFileEntry cm_Link srcDscp 0x%p targetDscp 0x%p SUCCESS",
2694                  srcDscp, targetDscp);
2695
2696         code = cm_BeginDirOp( targetDscp, userp, &req, CM_DIRLOCK_READ, CM_DIROP_FLAG_NONE, &dirop);
2697         if (code == 0) {
2698             code = cm_BPlusDirLookup(&dirop, TargetFileName, &TargetFid);
2699             cm_EndDirOp(&dirop);
2700         }
2701
2702         if (code != 0) {
2703             osi_Log1(afsd_logp, "RDR_HardLinkFileEntry cm_BPlusDirLookup failed code 0x%x",
2704                      code);
2705             (*ResultCB)->ResultStatus = STATUS_OBJECT_PATH_INVALID;
2706             if (srcDscp != targetDscp)
2707                 cm_ReleaseSCache(srcDscp);
2708             cm_ReleaseSCache(srcScp);
2709             cm_ReleaseSCache(targetDscp);
2710             return;
2711         }
2712
2713         osi_Log4(afsd_logp, "RDR_HardLinkFileEntry Target FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
2714                   TargetFid.cell,  TargetFid.volume,
2715                   TargetFid.vnode, TargetFid.unique);
2716
2717         code = cm_GetSCache(&TargetFid, &targetDscp->fid, &targetScp, userp, &req);
2718         if (code) {
2719             osi_Log1(afsd_logp, "RDR_HardLinkFileEntry cm_GetSCache target failed code 0x%x", code);
2720             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2721             (*ResultCB)->ResultStatus = status;
2722             if (srcDscp != targetDscp)
2723                 cm_ReleaseSCache(srcDscp);
2724             cm_ReleaseSCache(srcScp);
2725             cm_ReleaseSCache(targetDscp);
2726             return;
2727         }
2728
2729         /* Make sure the source vnode is current */
2730         lock_ObtainWrite(&targetScp->rw);
2731         code = cm_SyncOp(targetScp, NULL, userp, &req, 0,
2732                          CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2733         if (code) {
2734             osi_Log2(afsd_logp, "RDR_HardLinkFileEntry cm_SyncOp scp 0x%p failed code 0x%x",
2735                      targetScp, code);
2736             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2737             (*ResultCB)->ResultStatus = status;
2738             lock_ReleaseWrite(&targetScp->rw);
2739             cm_ReleaseSCache(targetScp);
2740             if (srcDscp != targetDscp)
2741                 cm_ReleaseSCache(srcDscp);
2742             cm_ReleaseSCache(srcScp);
2743             cm_ReleaseSCache(targetDscp);
2744             return;
2745         }
2746
2747         cm_SyncOpDone(targetScp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2748         lock_ReleaseWrite(&targetScp->rw);
2749
2750         if (cm_shortNames) {
2751             dfid.vnode = htonl(targetScp->fid.vnode);
2752             dfid.unique = htonl(targetScp->fid.unique);
2753
2754             if (!cm_Is8Dot3(TargetFileName))
2755                 cm_Gen8Dot3NameIntW(TargetFileName, &dfid, shortName, NULL);
2756             else
2757                 shortName[0] = '\0';
2758         }
2759
2760         RDR_PopulateCurrentEntry(&pResultCB->DirEnum, dwRemaining,
2761                                  targetDscp, targetScp, userp, &req, TargetFileName, shortName,
2762                                  RDR_POP_FOLLOW_MOUNTPOINTS | RDR_POP_EVALUATE_SYMLINKS,
2763                                  0, NULL, &dwRemaining);
2764         (*ResultCB)->ResultBufferLength = ResultBufferLength - dwRemaining;
2765         cm_ReleaseSCache(targetScp);
2766
2767         osi_Log0(afsd_logp, "RDR_HardLinkFileEntry SUCCESS");
2768     } else {
2769         osi_Log3(afsd_logp, "RDR_HardLinkFileEntry cm_Link srcDscp 0x%p targetDscp 0x%p failed code 0x%x",
2770                  srcDscp, targetDscp, code);
2771         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2772         (*ResultCB)->ResultStatus = status;
2773         (*ResultCB)->ResultBufferLength = 0;
2774     }
2775
2776     cm_ReleaseSCache(srcScp);
2777     if (srcDscp != targetDscp)
2778         cm_ReleaseSCache(srcDscp);
2779     cm_ReleaseSCache(targetDscp);
2780     return;
2781 }
2782
2783 void
2784 RDR_FlushFileEntry( IN cm_user_t *userp,
2785                     IN AFSFileID FileId,
2786                     IN BOOL bWow64,
2787                     IN DWORD ResultBufferLength,
2788                     IN OUT AFSCommResult **ResultCB)
2789 {
2790     cm_scache_t *scp = NULL;
2791     cm_fid_t    Fid;
2792     afs_uint32  code;
2793     cm_req_t    req;
2794     DWORD       status;
2795 #ifdef ODS_DEBUG
2796     char        dbgstr[1024];
2797 #endif
2798
2799     RDR_InitReq(&req, bWow64);
2800
2801     osi_Log4(afsd_logp, "RDR_FlushFileEntry File FID cell 0x%x vol 0x%x vno 0x%x uniq 0x%x",
2802               FileId.Cell, FileId.Volume,
2803               FileId.Vnode, FileId.Unique);
2804 #ifdef ODS_DEBUG
2805     snprintf( dbgstr, 1024,
2806               "RDR_FlushFileEntry File FID cell 0x%x vol 0x%x vno 0x%x uniq 0x%x\n",
2807               FileId.Cell, FileId.Volume,
2808               FileId.Vnode, FileId.Unique);
2809     OutputDebugStringA( dbgstr);
2810 #endif
2811
2812     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult));
2813     if (!(*ResultCB)) {
2814         osi_Log0(afsd_logp, "RDR_FlushFileEntry out of memory");
2815         return;
2816     }
2817
2818     memset( *ResultCB,
2819             '\0',
2820             sizeof( AFSCommResult));
2821
2822     /* Process the release */
2823     Fid.cell = FileId.Cell;
2824     Fid.volume = FileId.Volume;
2825     Fid.vnode = FileId.Vnode;
2826     Fid.unique = FileId.Unique;
2827     Fid.hash = FileId.Hash;
2828
2829     code = cm_GetSCache(&Fid, NULL, &scp, userp, &req);
2830     if (code) {
2831         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2832         (*ResultCB)->ResultStatus = status;
2833         osi_Log2(afsd_logp, "RDR_FlushFileEntry cm_GetSCache FID failure code=0x%x status=0x%x",
2834                   code, status);
2835         return;
2836     }
2837
2838     lock_ObtainWrite(&scp->rw);
2839     if (scp->flags & CM_SCACHEFLAG_DELETED) {
2840         lock_ReleaseWrite(&scp->rw);
2841         (*ResultCB)->ResultStatus = STATUS_INVALID_HANDLE;
2842         return;
2843     }
2844
2845     code = cm_SyncOp(scp, NULL, userp, &req, 0,
2846                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2847     if (code) {
2848         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2849         (*ResultCB)->ResultStatus = status;
2850         lock_ReleaseWrite(&scp->rw);
2851         cm_ReleaseSCache(scp);
2852         osi_Log3(afsd_logp, "RDR_FlushFileEntry cm_SyncOp failure scp=0x%p code=0x%x status=0x%x",
2853                  scp, code, status);
2854         return;
2855     }
2856
2857     cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2858     lock_ReleaseWrite(&scp->rw);
2859
2860     code = cm_FSync(scp, userp, &req, FALSE);
2861     cm_ReleaseSCache(scp);
2862
2863     if (code) {
2864         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2865         (*ResultCB)->ResultStatus = status;
2866         osi_Log2(afsd_logp, "RDR_FlushFileEntry FAILURE code=0x%x status=0x%x",
2867                   code, status);
2868     } else {
2869         (*ResultCB)->ResultStatus = 0;
2870         osi_Log0(afsd_logp, "RDR_FlushFileEntry SUCCESS");
2871     }
2872     (*ResultCB)->ResultBufferLength = 0;
2873
2874     return;
2875 }
2876
2877 afs_uint32
2878 RDR_CheckAccess( IN cm_scache_t *scp, cm_user_t *userp, cm_req_t *reqp,
2879                  ULONG access,
2880                  ULONG *granted)
2881 {
2882     ULONG afs_acc, afs_gr;
2883     BOOLEAN file, dir;
2884     afs_uint32 code = 0;
2885
2886     file = (scp->fileType == CM_SCACHETYPE_FILE);
2887     dir = !file;
2888
2889     /* access definitions from prs_fs.h */
2890     afs_acc = 0;
2891     if (access & FILE_READ_DATA)
2892         afs_acc |= PRSFS_READ;
2893     if (access & FILE_READ_EA || access & FILE_READ_ATTRIBUTES)
2894         afs_acc |= PRSFS_READ;
2895     if (file && ((access & FILE_WRITE_DATA) || (access & FILE_APPEND_DATA)))
2896         afs_acc |= PRSFS_WRITE;
2897     if (access & FILE_WRITE_EA || access & FILE_WRITE_ATTRIBUTES)
2898         afs_acc |= PRSFS_WRITE;
2899     if (dir && ((access & FILE_ADD_FILE) || (access & FILE_ADD_SUBDIRECTORY)))
2900         afs_acc |= PRSFS_INSERT;
2901     if (dir && (access & FILE_LIST_DIRECTORY))
2902         afs_acc |= PRSFS_LOOKUP;
2903     if (file && (access & FILE_EXECUTE))
2904         afs_acc |= PRSFS_WRITE;
2905     if (dir && (access & FILE_TRAVERSE))
2906         afs_acc |= PRSFS_READ;
2907     if (dir && (access & FILE_DELETE_CHILD))
2908         afs_acc |= PRSFS_DELETE;
2909     if ((access & DELETE))
2910         afs_acc |= PRSFS_DELETE;
2911
2912     /* check ACL with server */
2913     lock_ObtainWrite(&scp->rw);
2914     while (1)
2915     {
2916         if (cm_HaveAccessRights(scp, userp, reqp, afs_acc, &afs_gr))
2917         {
2918             break;
2919         }
2920         else
2921         {
2922             /* we don't know the required access rights */
2923             code = cm_GetAccessRights(scp, userp, reqp);
2924             if (code)
2925                 break;
2926             continue;
2927         }
2928     }
2929     lock_ReleaseWrite(&(scp->rw));
2930
2931     if (code == 0) {
2932         *granted = 0;
2933         if (afs_gr & PRSFS_READ)
2934             *granted |= FILE_READ_DATA | FILE_READ_EA | FILE_READ_ATTRIBUTES | FILE_EXECUTE;
2935         if (afs_gr & PRSFS_WRITE)
2936             *granted |= FILE_WRITE_DATA | FILE_APPEND_DATA | FILE_WRITE_EA | FILE_WRITE_ATTRIBUTES | FILE_EXECUTE;
2937         if (afs_gr & PRSFS_INSERT)
2938             *granted |= (dir ? FILE_ADD_FILE | FILE_ADD_SUBDIRECTORY : 0) | (file ? FILE_ADD_SUBDIRECTORY : 0);
2939         if (afs_gr & PRSFS_LOOKUP)
2940             *granted |= (dir ? FILE_LIST_DIRECTORY : 0);
2941         if (afs_gr & PRSFS_DELETE)
2942             *granted |= FILE_DELETE_CHILD | DELETE;
2943         if (afs_gr & PRSFS_LOCK)
2944             *granted |= 0;
2945         if (afs_gr & PRSFS_ADMINISTER)
2946             *granted |= 0;
2947
2948         *granted |= SYNCHRONIZE | READ_CONTROL;
2949
2950         /* don't give more access than what was requested */
2951         *granted &= access;
2952         osi_Log3(afsd_logp, "RDR_CheckAccess SUCCESS scp=0x%p requested=0x%x granted=0x%x", scp, access, *granted);
2953     } else
2954         osi_Log2(afsd_logp, "RDR_CheckAccess FAILURE scp=0x%p code=0x%x",
2955                  scp, code);
2956
2957     return code;
2958 }
2959
2960 void
2961 RDR_OpenFileEntry( IN cm_user_t *userp,
2962                    IN AFSFileID FileId,
2963                    IN AFSFileOpenCB *OpenCB,
2964                    IN BOOL bWow64,
2965                    IN BOOL bHoldFid,
2966                    IN DWORD ResultBufferLength,
2967                    IN OUT AFSCommResult **ResultCB)
2968 {
2969     AFSFileOpenResultCB *pResultCB = NULL;
2970     cm_scache_t *scp = NULL;
2971     cm_user_t   *sysUserp = NULL;
2972     cm_fid_t    Fid;
2973     cm_lock_data_t      *ldp = NULL;
2974     afs_uint32  code;
2975     cm_req_t    req;
2976     DWORD       status;
2977
2978     RDR_InitReq(&req, bWow64);
2979
2980     osi_Log4(afsd_logp, "RDR_OpenFileEntry File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
2981               FileId.Cell, FileId.Volume,
2982               FileId.Vnode, FileId.Unique);
2983
2984     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult) + sizeof( AFSFileOpenResultCB));
2985     if (!(*ResultCB)) {
2986         osi_Log0(afsd_logp, "RDR_OpenFileEntry out of memory");
2987         return;
2988     }
2989
2990     memset( *ResultCB,
2991             '\0',
2992             sizeof( AFSCommResult) + sizeof( AFSFileOpenResultCB));
2993
2994     pResultCB = (AFSFileOpenResultCB *)(*ResultCB)->ResultData;
2995
2996     /* Process the release */
2997     Fid.cell = FileId.Cell;
2998     Fid.volume = FileId.Volume;
2999     Fid.vnode = FileId.Vnode;
3000     Fid.unique = FileId.Unique;
3001     Fid.hash = FileId.Hash;
3002
3003     code = cm_GetSCache(&Fid, NULL, &scp, userp, &req);
3004     if (code) {
3005         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
3006         (*ResultCB)->ResultStatus = status;
3007         osi_Log2(afsd_logp, "RDR_OpenFileEntry cm_GetSCache FID failure code=0x%x status=0x%x",
3008                   code, status);
3009         return;
3010     }
3011
3012     lock_ObtainWrite(&scp->rw);
3013     code = cm_SyncOp(scp, NULL, userp, &req, 0,
3014                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
3015     if (code) {
3016         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
3017         (*ResultCB)->ResultStatus = status;
3018         lock_ReleaseWrite(&scp->rw);
3019         cm_ReleaseSCache(scp);
3020         osi_Log3(afsd_logp, "RDR_OpenFileEntry cm_SyncOp failure scp=0x%p code=0x%x status=0x%x",
3021                  scp, code, status);
3022         return;
3023     }
3024
3025     cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
3026     lock_ReleaseWrite(&scp->rw);
3027
3028     sysUserp = RDR_GetLocalSystemUser();
3029
3030     /*
3031      * Skip the open check if the request is coming from the local system account.
3032      * The local system has no tokens and therefore any requests sent to a file
3033      * server will fail.  Unfortunately, there are special system processes that
3034      * perform actions on files and directories in preparation for memory mapping
3035      * executables.  If the open check fails, the real request from the user process
3036      * will never be issued.
3037      *
3038      * Permitting the file system to allow subsequent operations to proceed does
3039      * not compromise security.  All requests to obtain file data or directory
3040      * enumerations will subsequently fail if they are not submitted under the
3041      * context of a process for that have access to the necessary credentials.
3042      */
3043
3044     if ( userp == sysUserp)
3045     {
3046         osi_Log1(afsd_logp, "RDR_OpenFileEntry LOCAL_SYSTEM access check skipped scp=0x%p",
3047                  scp);
3048         pResultCB->GrantedAccess = OpenCB->DesiredAccess;
3049         pResultCB->FileAccess = AFS_FILE_ACCESS_NOLOCK;
3050         code = 0;
3051     }
3052     else
3053     {
3054         int count = 0;
3055
3056         do {
3057             if (count++ > 0) {
3058                 Sleep(350);
3059                 osi_Log3(afsd_logp,
3060                          "RDR_OpenFileEntry repeating open check scp=0x%p userp=0x%p code=0x%x",
3061                          scp, userp, code);
3062             }
3063             code = cm_CheckNTOpen(scp, OpenCB->DesiredAccess, OpenCB->ShareAccess,
3064                                   OPEN_ALWAYS,
3065                                   OpenCB->ProcessId, OpenCB->Identifier,
3066                                   userp, &req, &ldp);
3067             if (code == 0)
3068                 code = RDR_CheckAccess(scp, userp, &req, OpenCB->DesiredAccess, &pResultCB->GrantedAccess);
3069             cm_CheckNTOpenDone(scp, userp, &req, &ldp);
3070         } while (count < 100 && (code == CM_ERROR_RETRY || code == CM_ERROR_WOULDBLOCK));
3071     }
3072
3073     /*
3074      * If we are restricting sharing, we should do so with a suitable
3075      * share lock.
3076      */
3077     if (code == 0 && scp->fileType == CM_SCACHETYPE_FILE && !(OpenCB->ShareAccess & FILE_SHARE_WRITE)) {
3078         cm_key_t key;
3079         LARGE_INTEGER LOffset, LLength;
3080         int sLockType;
3081
3082         LOffset.HighPart = SMB_FID_QLOCK_HIGH;
3083         LOffset.LowPart = SMB_FID_QLOCK_LOW;
3084         LLength.HighPart = 0;
3085         LLength.LowPart = SMB_FID_QLOCK_LENGTH;
3086
3087         /*
3088          * If we are not opening the file for writing, then we don't
3089          * try to get an exclusive lock.  No one else should be able to
3090          * get an exclusive lock on the file anyway, although someone
3091          * else can get a shared lock.
3092          */
3093         if ((OpenCB->ShareAccess & FILE_SHARE_READ) || !(OpenCB->DesiredAccess & AFS_ACCESS_WRITE))
3094         {
3095             sLockType = LOCKING_ANDX_SHARED_LOCK;
3096         } else {
3097             sLockType = 0;
3098         }
3099
3100         key = cm_GenerateKey(CM_SESSION_IFS, SMB_FID_QLOCK_PID, OpenCB->Identifier);
3101
3102         lock_ObtainWrite(&scp->rw);
3103         code = cm_Lock(scp, sLockType, LOffset, LLength, key, 0, userp, &req, NULL);
3104         lock_ReleaseWrite(&scp->rw);
3105
3106         if (code) {
3107             code = CM_ERROR_SHARING_VIOLATION;
3108             pResultCB->FileAccess = AFS_FILE_ACCESS_NOLOCK;
3109         } else {
3110             if (sLockType == LOCKING_ANDX_SHARED_LOCK)
3111                 pResultCB->FileAccess = AFS_FILE_ACCESS_SHARED;
3112             else
3113                 pResultCB->FileAccess = AFS_FILE_ACCESS_EXCLUSIVE;
3114         }
3115     } else {
3116         pResultCB->FileAccess = AFS_FILE_ACCESS_NOLOCK;
3117     }
3118
3119     cm_ReleaseUser(sysUserp);
3120     if (code == 0 && bHoldFid)
3121         RDR_FlagScpInUse( scp, FALSE );
3122     cm_ReleaseSCache(scp);
3123
3124     if (code) {
3125         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
3126         (*ResultCB)->ResultStatus = status;
3127         osi_Log2(afsd_logp, "RDR_OpenFileEntry FAILURE code=0x%x status=0x%x",
3128                   code, status);
3129     } else {
3130         (*ResultCB)->ResultStatus = 0;
3131         (*ResultCB)->ResultBufferLength = sizeof( AFSFileOpenResultCB);
3132         osi_Log0(afsd_logp, "RDR_OpenFileEntry SUCCESS");
3133     }
3134     return;
3135 }
3136
3137 void
3138 RDR_ReleaseFileAccess( IN cm_user_t *userp,
3139                        IN AFSFileID FileId,
3140                        IN AFSFileAccessReleaseCB *ReleaseFileCB,
3141                        IN BOOL bWow64,
3142                        IN DWORD ResultBufferLength,
3143                        IN OUT AFSCommResult **ResultCB)
3144 {
3145     cm_key_t key;
3146     unsigned int sLockType;
3147     LARGE_INTEGER LOffset, LLength;
3148     cm_scache_t *scp = NULL;
3149     cm_fid_t    Fid;
3150     afs_uint32  code;
3151     cm_req_t    req;
3152     DWORD       status;
3153
3154     RDR_InitReq(&req, bWow64);
3155
3156     osi_Log4(afsd_logp, "RDR_ReleaseFileAccess File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
3157               FileId.Cell, FileId.Volume,
3158               FileId.Vnode, FileId.Unique);
3159
3160     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult));
3161     if (!(*ResultCB)) {
3162         osi_Log0(afsd_logp, "RDR_ReleaseFileAccess out of memory");
3163         return;
3164     }
3165
3166     memset( *ResultCB, '\0', sizeof( AFSCommResult));
3167
3168     if (ReleaseFileCB->FileAccess == AFS_FILE_ACCESS_NOLOCK)
3169         return;
3170
3171     /* Process the release */
3172     Fid.cell = FileId.Cell;
3173     Fid.volume = FileId.Volume;
3174     Fid.vnode = FileId.Vnode;
3175     Fid.unique = FileId.Unique;
3176     Fid.hash = FileId.Hash;
3177
3178     code = cm_GetSCache(&Fid, NULL, &scp, userp, &req);
3179     if (code) {
3180         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
3181         (*ResultCB)->ResultStatus = status;
3182         osi_Log2(afsd_logp, "RDR_ReleaseFileAccess cm_GetSCache FID failure code=0x%x status=0x%x",
3183                   code, status);
3184         return;
3185     }
3186
3187     if (ReleaseFileCB->FileAccess == AFS_FILE_ACCESS_SHARED)
3188         sLockType = LOCKING_ANDX_SHARED_LOCK;
3189     else
3190         sLockType = 0;
3191
3192     key = cm_GenerateKey(CM_SESSION_IFS, SMB_FID_QLOCK_PID, ReleaseFileCB->Identifier);
3193
3194     LOffset.HighPart = SMB_FID_QLOCK_HIGH;
3195     LOffset.LowPart = SMB_FID_QLOCK_LOW;
3196     LLength.HighPart = 0;
3197     LLength.LowPart = SMB_FID_QLOCK_LENGTH;
3198
3199     lock_ObtainWrite(&scp->rw);
3200
3201     code = cm_SyncOp(scp, NULL, userp, &req, 0, CM_SCACHESYNC_LOCK);
3202     if (code == 0)
3203     {
3204         code = cm_Unlock(scp, sLockType, LOffset, LLength, key, 0, userp, &req);
3205
3206         cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_LOCK);
3207
3208         if (code == CM_ERROR_RANGE_NOT_LOCKED)
3209         {
3210             osi_Log3(afsd_logp, "RDR_ReleaseFileAccess Range Not Locked -- FileAccess 0x%x ProcessId 0x%x HandleId 0x%x",
3211                      ReleaseFileCB->FileAccess, ReleaseFileCB->ProcessId, ReleaseFileCB->Identifier);
3212         }
3213     }
3214
3215     lock_ReleaseWrite(&scp->rw);
3216
3217     osi_Log0(afsd_logp, "RDR_ReleaseFileAccessEntry SUCCESS");
3218 }
3219
3220 static const char *
3221 HexCheckSum(unsigned char * buf, int buflen, unsigned char * md5cksum)
3222 {
3223     int i, k;
3224     static char tr[16] = {'0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'};
3225
3226     if (buflen < 33)
3227         return "buffer length too small to HexCheckSum";
3228
3229     for (i=0;i<16;i++) {
3230         k = md5cksum[i];
3231
3232         buf[i*2] = tr[k / 16];
3233         buf[i*2+1] = tr[k % 16];
3234     }
3235     buf[32] = '\0';
3236
3237     return buf;
3238 }
3239
3240 /*
3241  * Extent requests from the file system are triggered when a file
3242  * page is not resident in the Windows cache.  The file system is
3243  * responsible for loading the page but cannot block the request
3244  * while doing so.  The AFS Redirector forwards the requests to
3245  * the AFS cache manager while indicating to Windows that the page
3246  * is not yet available.  A polling operation will then ensue with
3247  * the AFS Redirector issuing a RDR_RequestFileExtentsXXX call for
3248  * each poll attempt.  As each request is received and processed
3249  * by a separate worker thread in the service, this can lead to
3250  * contention by multiple threads attempting to claim the same
3251  * cm_buf_t objects.  Therefore, it is important that
3252  *
3253  *  (a) the service avoid processing more than one overlapping
3254  *      extent request at a time
3255  *  (b) background daemon processing be used to avoid blocking
3256  *      of ioctl threads
3257  *
3258  * Beginning with the 20091122 build of the redirector, the redirector
3259  * will not issue an additional RDR_RequestFileExtentsXXX call for
3260  * each poll request.  Instead, afsd_service is required to track
3261  * the requests and return them to the redirector or fail the
3262  * portions of the request that cannot be satisfied.
3263  *
3264  * The request processing returns any extents that can be returned
3265  * immediately to the redirector.  The rest of the requested range(s)
3266  * are queued as background operations using RDR_BkgFetch().
3267  */
3268
3269 /* do the background fetch. */
3270 afs_int32
3271 RDR_BkgFetch(cm_scache_t *scp, afs_uint32 p1, afs_uint32 p2, afs_uint32 p3, afs_uint32 p4,
3272              cm_user_t *userp, cm_req_t *reqp)
3273 {
3274     osi_hyper_t length;
3275     osi_hyper_t base;
3276     osi_hyper_t offset;
3277     osi_hyper_t end;
3278     osi_hyper_t fetched;
3279     osi_hyper_t tblocksize;
3280     afs_int32 code;
3281     int rwheld = 0;
3282     cm_buf_t *bufp = NULL;
3283     DWORD dwResultBufferLength;
3284     AFSSetFileExtentsCB *pResultCB;
3285     DWORD status;
3286     afs_uint32 count=0;
3287     AFSFileID FileId;
3288     int reportErrorToRedir = 0;
3289     int force_retry = 0;
3290
3291     FileId.Cell = scp->fid.cell;
3292     FileId.Volume = scp->fid.volume;
3293     FileId.Vnode = scp->fid.vnode;
3294     FileId.Unique = scp->fid.unique;
3295     FileId.Hash = scp->fid.hash;
3296
3297     fetched.LowPart = 0;
3298     fetched.HighPart = 0;
3299     tblocksize = ConvertLongToLargeInteger(cm_data.buf_blockSize);
3300     base.LowPart = p1;
3301     base.HighPart = p2;
3302     length.LowPart = p3;
3303     length.HighPart = p4;
3304
3305     end = LargeIntegerAdd(base, length);
3306
3307     osi_Log5(afsd_logp, "Starting BKG Fetch scp 0x%p offset 0x%x:%x length 0x%x:%x",
3308              scp, p2, p1, p4, p3);
3309
3310     /*
3311      * Make sure we have a callback.
3312      * This is necessary so that we can return access denied
3313      * if a callback cannot be granted.
3314      */
3315     lock_ObtainWrite(&scp->rw);
3316     code = cm_SyncOp(scp, NULL, userp, reqp, PRSFS_READ,
3317                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
3318     if (code) {
3319         lock_ReleaseWrite(&scp->rw);
3320         osi_Log2(afsd_logp, "RDR_BkgFetch cm_SyncOp failure scp=0x%p code=0x%x",
3321                  scp, code);
3322         smb_MapNTError(cm_MapRPCError(code, reqp), &status, TRUE);
3323         RDR_SetFileStatus( &scp->fid, &userp->authgroup, status);
3324         return code;
3325     }
3326     lock_ReleaseWrite(&scp->rw);
3327
3328     dwResultBufferLength = (DWORD)(sizeof( AFSSetFileExtentsCB) + sizeof( AFSFileExtentCB) * (length.QuadPart / cm_data.blockSize + 1));
3329     pResultCB = (AFSSetFileExtentsCB *)malloc( dwResultBufferLength );
3330     if (!pResultCB)
3331         return CM_ERROR_RETRY;
3332
3333     memset( pResultCB, '\0', dwResultBufferLength );
3334     pResultCB->FileId = FileId;
3335
3336     for ( code = 0, offset = base;
3337           code == 0 && LargeIntegerLessThan(offset, end);
3338           offset = LargeIntegerAdd(offset, tblocksize) )
3339     {
3340         int bBufRelease = TRUE;
3341
3342         if (rwheld) {
3343             lock_ReleaseWrite(&scp->rw);
3344             rwheld = 0;
3345         }
3346
3347         code = buf_Get(scp, &offset, reqp, &bufp);
3348         if (code) {
3349             /*
3350              * any error from buf_Get() is non-fatal.
3351              * we need to re-queue this extent fetch.
3352              */
3353             force_retry = 1;
3354             break;
3355         }
3356
3357         if (!rwheld) {
3358             lock_ObtainWrite(&scp->rw);
3359             rwheld = 1;
3360         }
3361
3362         code = cm_GetBuffer(scp, bufp, NULL, userp, reqp);
3363         if (code == 0) {
3364             if (!(bufp->qFlags & CM_BUF_QREDIR)) {
3365 #ifdef VALIDATE_CHECK_SUM
3366 #ifdef ODS_DEBUG
3367                 char md5dbg[33];
3368                 char dbgstr[1024];
3369 #endif
3370 #endif
3371                 if (bufp->flags & CM_BUF_DIRTY)
3372                     cm_BufWrite(scp, &bufp->offset, cm_data.buf_blockSize, CM_BUF_WRITE_SCP_LOCKED, userp, reqp);
3373
3374                 lock_ObtainWrite(&buf_globalLock);
3375                 if (!(bufp->flags & CM_BUF_DIRTY) &&
3376                     bufp->cmFlags == 0 &&
3377                     !(bufp->qFlags & CM_BUF_QREDIR)) {
3378                     buf_InsertToRedirQueue(scp, bufp);
3379                     lock_ReleaseWrite(&buf_globalLock);
3380
3381 #ifdef VALIDATE_CHECK_SUM
3382                     buf_ComputeCheckSum(bufp);
3383 #endif
3384                     pResultCB->FileExtents[count].Flags = 0;
3385                     pResultCB->FileExtents[count].FileOffset.QuadPart = bufp->offset.QuadPart;
3386                     pResultCB->FileExtents[count].CacheOffset.QuadPart = bufp->datap - RDR_extentBaseAddress;
3387                     pResultCB->FileExtents[count].Length = cm_data.blockSize;
3388                     count++;
3389                     fetched = LargeIntegerAdd(fetched, tblocksize);
3390                     bBufRelease = FALSE;
3391
3392 #ifdef VALIDATE_CHECK_SUM
3393 #ifdef ODS_DEBUG
3394                     HexCheckSum(md5dbg, sizeof(md5dbg), bufp->md5cksum);
3395                     snprintf( dbgstr, 1024,
3396                               "RDR_BkgFetch md5 %s vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
3397                               md5dbg,
3398                               scp->fid.volume, scp->fid.vnode, scp->fid.unique,
3399                               pResultCB->FileExtents[count].FileOffset.HighPart,
3400                               pResultCB->FileExtents[count].FileOffset.LowPart,
3401                               pResultCB->FileExtents[count].CacheOffset.HighPart,
3402                               pResultCB->FileExtents[count].CacheOffset.LowPart);
3403                     OutputDebugStringA( dbgstr);
3404 #endif
3405 #endif
3406                     osi_Log4(afsd_logp, "RDR_BkgFetch Extent2FS bufp 0x%p foffset 0x%p coffset 0x%p len 0x%x",
3407                               bufp, bufp->offset.QuadPart, bufp->datap - RDR_extentBaseAddress, cm_data.blockSize);
3408                 } else {
3409                     lock_ReleaseWrite(&buf_globalLock);
3410                     if ((bufp->cmFlags != 0) || (bufp->flags & CM_BUF_DIRTY)) {
3411                         /* An I/O operation is already in progress */
3412                         force_retry = 1;
3413                         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",
3414                                   bufp, bufp->offset.QuadPart, bufp->datap - RDR_extentBaseAddress, cm_data.blockSize);
3415                     } else {
3416                         osi_Log4(afsd_logp, "RDR_BkgFetch Extent2FS Already held by Redirector bufp 0x%p foffset 0x%p coffset 0x%p len 0x%x",
3417                                   bufp, bufp->offset.QuadPart, bufp->datap - RDR_extentBaseAddress, cm_data.blockSize);
3418                     }
3419                 }
3420             } else {
3421                 osi_Log4(afsd_logp, "RDR_BkgFetch Extent2FS Already held by Redirector bufp 0x%p foffset 0x%p coffset 0x%p len 0x%x",
3422                           bufp, bufp->offset.QuadPart, bufp->datap - RDR_extentBaseAddress, cm_data.blockSize);
3423             }
3424         } else {
3425             /*
3426              * depending on what the error from cm_GetBuffer is
3427              * it may or may not be fatal.  Only return fatal errors.
3428              * Re-queue a request for others.
3429              */
3430             osi_Log5(afsd_logp, "RDR_BkgFetch Extent2FS FAILURE bufp 0x%p foffset 0x%p coffset 0x%p len 0x%x code 0x%x",
3431                       bufp, offset.QuadPart, bufp->datap - RDR_extentBaseAddress, cm_data.blockSize, code);
3432             switch (code) {
3433             case CM_ERROR_NOACCESS:
3434             case CM_ERROR_NOSUCHFILE:
3435             case CM_ERROR_NOSUCHPATH:
3436             case CM_ERROR_NOSUCHVOLUME:
3437             case CM_ERROR_NOSUCHCELL:
3438             case CM_ERROR_INVAL:
3439             case CM_ERROR_BADFD:
3440             case CM_ERROR_CLOCKSKEW:
3441             case RXKADNOAUTH:
3442             case CM_ERROR_QUOTA:
3443             case CM_ERROR_LOCK_CONFLICT:
3444             case EIO:
3445                 /*
3446                  * these are fatal errors.  deliver what we can
3447                  * and halt.
3448                  */
3449                 reportErrorToRedir = 1;
3450                 break;
3451             default:
3452                 /*
3453                  * non-fatal errors.  re-queue the exent
3454                  */
3455                 code = CM_ERROR_RETRY;
3456                 force_retry = 1;
3457             }
3458         }
3459
3460         if (bBufRelease)
3461             buf_Release(bufp);
3462     }
3463
3464     if (!rwheld) {
3465         lock_ObtainWrite(&scp->rw);
3466         rwheld = 1;
3467     }
3468
3469     /* wakeup anyone who is waiting */
3470     if (scp->flags & CM_SCACHEFLAG_WAITING) {
3471         osi_Log1(afsd_logp, "RDR Bkg Fetch Waking scp 0x%p", scp);
3472         osi_Wakeup((LONG_PTR) &scp->flags);
3473     }
3474     lock_ReleaseWrite(&scp->rw);
3475
3476     if (count > 0) {
3477         pResultCB->ExtentCount = count;
3478         RDR_SetFileExtents( pResultCB, dwResultBufferLength);
3479     }
3480     free(pResultCB);
3481
3482     if (reportErrorToRedir) {
3483         smb_MapNTError(cm_MapRPCError(code, reqp), &status, TRUE);
3484         RDR_SetFileStatus( &scp->fid, &userp->authgroup, status);
3485     }
3486
3487     osi_Log4(afsd_logp, "Ending BKG Fetch scp 0x%p code 0x%x fetched 0x%x:%x",
3488              scp, code, fetched.HighPart, fetched.LowPart);
3489
3490     return force_retry ? CM_ERROR_RETRY : code;
3491 }
3492
3493
3494 BOOL
3495 RDR_RequestFileExtentsAsync( IN cm_user_t *userp,
3496                              IN AFSFileID FileId,
3497                              IN AFSRequestExtentsCB *RequestExtentsCB,
3498                              IN BOOL bWow64,
3499                              IN OUT DWORD * ResultBufferLength,
3500                              IN OUT AFSSetFileExtentsCB **ResultCB)
3501 {
3502     AFSSetFileExtentsCB *pResultCB = NULL;
3503     DWORD Length;
3504     DWORD count;
3505     DWORD status;
3506     cm_scache_t *scp = NULL;
3507     cm_fid_t    Fid;
3508     cm_buf_t    *bufp;
3509     afs_uint32  code = 0;
3510     osi_hyper_t thyper;
3511     LARGE_INTEGER ByteOffset, BeginOffset, EndOffset, QueueOffset;
3512     afs_uint32  QueueLength;
3513     cm_req_t    req;
3514     BOOLEAN     bBufRelease = TRUE;
3515
3516     RDR_InitReq(&req, bWow64);
3517     req.flags |= CM_REQ_NORETRY;
3518
3519     osi_Log4(afsd_logp, "RDR_RequestFileExtentsAsync File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
3520               FileId.Cell, FileId.Volume,
3521               FileId.Vnode, FileId.Unique);
3522     osi_Log4(afsd_logp, "... Flags 0x%x ByteOffset 0x%x:%x Length 0x%x",
3523              RequestExtentsCB->Flags,
3524              RequestExtentsCB->ByteOffset.HighPart, RequestExtentsCB->ByteOffset.LowPart,
3525              RequestExtentsCB->Length);
3526     Length = sizeof( AFSSetFileExtentsCB) + sizeof( AFSFileExtentCB) * (RequestExtentsCB->Length / cm_data.blockSize + 1);
3527
3528     pResultCB = *ResultCB = (AFSSetFileExtentsCB *)malloc( Length );
3529     if (*ResultCB == NULL) {
3530         *ResultBufferLength = 0;
3531         return FALSE;
3532     }
3533     *ResultBufferLength = Length;
3534
3535     memset( pResultCB, '\0', Length );
3536     pResultCB->FileId = FileId;
3537
3538     Fid.cell = FileId.Cell;
3539     Fid.volume = FileId.Volume;
3540     Fid.vnode = FileId.Vnode;
3541     Fid.unique = FileId.Unique;
3542     Fid.hash = FileId.Hash;
3543
3544     code = cm_GetSCache(&Fid, NULL, &scp, userp, &req);
3545     if (code) {
3546         osi_Log1(afsd_logp, "RDR_RequestFileExtentsAsync cm_GetSCache FID failure code=0x%x",
3547                   code);
3548         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
3549         return FALSE;
3550     }
3551
3552     /*
3553      * Make sure we have a callback.
3554      * This is necessary so that we can return access denied
3555      * if a callback cannot be granted.
3556      */
3557     lock_ObtainWrite(&scp->rw);
3558     code = cm_SyncOp(scp, NULL, userp, &req, PRSFS_READ,
3559                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
3560     lock_ReleaseWrite(&scp->rw);
3561     if (code) {
3562         cm_ReleaseSCache(scp);
3563         osi_Log2(afsd_logp, "RDR_RequestFileExtentsAsync cm_SyncOp failure scp=0x%p code=0x%x",
3564                  scp, code);
3565         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
3566         RDR_SetFileStatus( &scp->fid, &userp->authgroup, status);
3567         return FALSE;
3568     }
3569
3570     /* Allocate the extents from the buffer package */
3571     for ( count = 0,
3572           ByteOffset = BeginOffset = RequestExtentsCB->ByteOffset,
3573           EndOffset.QuadPart = ByteOffset.QuadPart + RequestExtentsCB->Length;
3574           code == 0 && ByteOffset.QuadPart < EndOffset.QuadPart;
3575           ByteOffset.QuadPart += cm_data.blockSize)
3576     {
3577         BOOL bHaveBuffer = FALSE;
3578
3579         QueueLength = 0;
3580         thyper.QuadPart = ByteOffset.QuadPart;
3581
3582         code = buf_Get(scp, &thyper, &req, &bufp);
3583         if (code == 0) {
3584             lock_ObtainMutex(&bufp->mx);
3585             bBufRelease = TRUE;
3586
3587             if (bufp->qFlags & CM_BUF_QREDIR) {
3588                 bHaveBuffer = TRUE;
3589             } else if (bufp->flags & CM_BUF_DIRTY) {
3590                 bHaveBuffer = FALSE;
3591 #if 0
3592                 code = buf_CleanAsyncLocked(scp, bufp, &req, 0, NULL);
3593                 switch (code) {
3594                 case 0:
3595                     bHaveBuffer = TRUE;
3596                     break;
3597                 case CM_ERROR_RETRY:
3598                     /* Couldn't flush it, obtain it asynchronously so we don't block the thread. */
3599                     bHaveBuffer = FALSE;
3600                     code = 0;
3601                     break;
3602                 default:
3603                     smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
3604                     RDR_SetFileStatus(&FileId, &userp->authgroup, status);
3605                     bHaveBuffer = FALSE;
3606                     code = 0;
3607                 }
3608 #endif
3609             } else {
3610                 osi_hyper_t minLength;  /* effective end of file */
3611
3612                 lock_ObtainRead(&scp->rw);
3613                 bHaveBuffer = cm_HaveBuffer(scp, bufp, TRUE);
3614
3615                 if (LargeIntegerGreaterThan(scp->length, scp->serverLength))
3616                     minLength = scp->serverLength;
3617                 else
3618                     minLength = scp->length;
3619
3620                 if (LargeIntegerGreaterThanOrEqualTo(bufp->offset, minLength)) {
3621                     if (!bHaveBuffer) {
3622                         memset(bufp->datap, 0, cm_data.buf_blockSize);
3623                         bufp->dataVersion = scp->dataVersion;
3624                         bHaveBuffer = TRUE;
3625                     }
3626                     else if (bufp->dataVersion == CM_BUF_VERSION_BAD) {
3627                         bufp->dataVersion = scp->dataVersion;
3628                     }
3629                 }
3630                 else if ((RequestExtentsCB->Flags & AFS_EXTENT_FLAG_CLEAN) &&
3631                          ByteOffset.QuadPart <= bufp->offset.QuadPart &&
3632                          EndOffset.QuadPart >= bufp->offset.QuadPart + cm_data.blockSize)
3633                 {
3634                     memset(bufp->datap, 0, cm_data.blockSize);
3635                     bufp->dataVersion = scp->dataVersion;
3636                     buf_SetDirty(bufp, &req, 0, cm_data.blockSize, userp);
3637                     bHaveBuffer = TRUE;
3638                 }
3639                 lock_ReleaseRead(&scp->rw);
3640             }
3641
3642             /*
3643              * if this buffer is already up to date, skip it.
3644              */
3645             if (bHaveBuffer) {
3646                 if (ByteOffset.QuadPart == BeginOffset.QuadPart) {
3647                     BeginOffset.QuadPart += cm_data.blockSize;
3648                 } else {
3649                     QueueLength = (afs_uint32)(ByteOffset.QuadPart - BeginOffset.QuadPart);
3650                     QueueOffset = BeginOffset;
3651                     BeginOffset = ByteOffset;
3652                 }
3653
3654                 if (!(bufp->qFlags & CM_BUF_QREDIR)) {
3655 #ifdef VALIDATE_CHECK_SUM
3656 #ifdef ODS_DEBUG
3657                     char md5dbg[33];
3658                     char dbgstr[1024];
3659 #endif
3660 #endif
3661                     lock_ObtainWrite(&buf_globalLock);
3662                     if (!(bufp->qFlags & CM_BUF_QREDIR)) {
3663                         buf_InsertToRedirQueue(scp, bufp);
3664                         lock_ReleaseWrite(&buf_globalLock);
3665
3666 #ifdef VALIDATE_CHECK_SUM
3667                         buf_ComputeCheckSum(bufp);
3668 #endif
3669                         /* we already have the buffer, return it now */
3670                         pResultCB->FileExtents[count].Flags = 0;
3671                         pResultCB->FileExtents[count].FileOffset = ByteOffset;
3672                         pResultCB->FileExtents[count].CacheOffset.QuadPart = bufp->datap - RDR_extentBaseAddress;
3673                         pResultCB->FileExtents[count].Length = cm_data.blockSize;
3674                         count++;
3675
3676                         bBufRelease = FALSE;
3677
3678 #ifdef VALIDATE_CHECK_SUM
3679 #ifdef ODS_DEBUG
3680                         HexCheckSum(md5dbg, sizeof(md5dbg), bufp->md5cksum);
3681                         snprintf( dbgstr, 1024,
3682                                   "RDR_RequestFileExtentsAsync md5 %s vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
3683                                   md5dbg,
3684                                   scp->fid.volume, scp->fid.vnode, scp->fid.unique,
3685                                   pResultCB->FileExtents[count].FileOffset.HighPart,
3686                                   pResultCB->FileExtents[count].FileOffset.LowPart,
3687                                   pResultCB->FileExtents[count].CacheOffset.HighPart,
3688                                   pResultCB->FileExtents[count].CacheOffset.LowPart);
3689                         OutputDebugStringA( dbgstr);
3690 #endif
3691 #endif
3692                         osi_Log4(afsd_logp, "RDR_RequestFileExtentsAsync Extent2FS bufp 0x%p foffset 0x%p coffset 0x%p len 0x%x",
3693                                  bufp, ByteOffset.QuadPart, bufp->datap - RDR_extentBaseAddress, cm_data.blockSize);
3694                     } else {
3695                         lock_ReleaseWrite(&buf_globalLock);
3696                     }
3697                 } else {
3698                     if (bBufRelease) {
3699                         /*
3700                          * The service is not handing off the extent to the redirector in this pass.
3701                          * However, we know the buffer is in recent use so move the buffer to the
3702                          * front of the queue
3703                          */
3704                         lock_ObtainWrite(&buf_globalLock);
3705                         buf_MoveToHeadOfRedirQueue(scp, bufp);
3706                         lock_ReleaseWrite(&buf_globalLock);
3707
3708                         osi_Log4(afsd_logp, "RDR_RequestFileExtentsAsync Extent2FS Already held by Redirector bufp 0x%p foffset 0x%p coffset 0x%p len 0x%x",
3709                                  bufp, ByteOffset.QuadPart, bufp->datap - RDR_extentBaseAddress, cm_data.blockSize);
3710                     }
3711                 }
3712             }
3713             lock_ReleaseMutex(&bufp->mx);
3714             if (bBufRelease)
3715                 buf_Release(bufp);
3716
3717             if (QueueLength) {
3718                 cm_QueueBKGRequest(scp, RDR_BkgFetch, QueueOffset.LowPart, QueueOffset.HighPart,
3719                                    QueueLength, 0, userp, &req);
3720                 osi_Log3(afsd_logp, "RDR_RequestFileExtentsAsync Queued a Background Fetch offset 0x%x:%x length 0x%x",
3721                          QueueOffset.HighPart, QueueOffset.LowPart, QueueLength);
3722             }
3723         } else {
3724             /* No error from buf_Get() can be fatal */
3725             osi_Log3(afsd_logp, "RDR_RequestFileExtentsAsync buf_Get FAILURE offset 0x%x:%x code 0x%x",
3726                      BeginOffset.HighPart, BeginOffset.LowPart, code);
3727         }
3728     }
3729
3730     if (BeginOffset.QuadPart != EndOffset.QuadPart) {
3731         afs_uint32 length = (afs_uint32)(EndOffset.QuadPart - BeginOffset.QuadPart);
3732
3733         cm_QueueBKGRequest(scp, RDR_BkgFetch, BeginOffset.LowPart, BeginOffset.HighPart,
3734                            length, 0, userp, &req);
3735         osi_Log3(afsd_logp, "RDR_RequestFileExtentsAsync Queued a Background Fetch offset 0x%x:%x length 0x%x",
3736                   BeginOffset.HighPart, BeginOffset.LowPart, length);
3737     }
3738     cm_ReleaseSCache(scp);
3739
3740     (*ResultCB)->ExtentCount = count;
3741     osi_Log1(afsd_logp, "RDR_RequestFileExtentsAsync replying with 0x%x extent records", count);
3742     return FALSE;
3743 }
3744
3745 /*
3746  * When processing an extent release the extents must be accepted back by
3747  * the service even if there is an error condition returned to the redirector.
3748  * For example, there may no longer be a callback present or the file may
3749  * have been deleted on the file server.  Regardless, the extents must be
3750  * put back into the pool.
3751  */
3752 void
3753 RDR_ReleaseFileExtents( IN cm_user_t *userp,
3754                         IN AFSFileID FileId,
3755                         IN AFSReleaseExtentsCB *ReleaseExtentsCB,
3756                         IN BOOL bWow64,
3757                         IN DWORD ResultBufferLength,
3758                         IN OUT AFSCommResult **ResultCB)
3759 {
3760     DWORD count;
3761     cm_scache_t *scp = NULL;
3762     cm_fid_t    Fid;
3763     cm_buf_t    *bufp;
3764     afs_uint32  code;
3765     osi_hyper_t thyper;
3766     cm_req_t    req;
3767     int         dirty = 0;
3768     int         released = 0;
3769     int         deleted = 0;
3770     DWORD       status;
3771 #ifdef ODS_DEBUG
3772 #ifdef VALIDATE_CHECK_SUM
3773     char md5dbg[33], md5dbg2[33], md5dbg3[33];
3774 #endif
3775     char dbgstr[1024];
3776 #endif
3777
3778     RDR_InitReq(&req, bWow64);
3779
3780     osi_Log4(afsd_logp, "RDR_ReleaseFileExtents File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
3781               FileId.Cell, FileId.Volume,
3782               FileId.Vnode, FileId.Unique);
3783
3784     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult));
3785     if (!(*ResultCB))
3786         return;
3787
3788     memset( *ResultCB,
3789             '\0',
3790             sizeof( AFSCommResult));
3791
3792     /* Process the release */
3793     Fid.cell = FileId.Cell;
3794     Fid.volume = FileId.Volume;
3795     Fid.vnode = FileId.Vnode;
3796     Fid.unique = FileId.Unique;
3797     Fid.hash = FileId.Hash;
3798
3799     code = cm_GetSCache(&Fid, NULL, &scp, userp, &req);
3800     if (code) {
3801         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
3802         (*ResultCB)->ResultStatus = status;
3803         osi_Log2(afsd_logp, "RDR_ReleaseFileExtents cm_GetSCache FID failure code=0x%x status=0x%x",
3804                   code, status);
3805     }
3806
3807     deleted = scp && (scp->flags & CM_SCACHEFLAG_DELETED);
3808
3809     /*
3810      * We do not stop processing as a result of being unable to find the cm_scache object.
3811      * If this occurs something really bad has happened since the cm_scache object must have
3812      * been recycled while extents were held by the redirector.  However, we will be resilient
3813      * and carry on without it.
3814      *
3815      * If the file is known to be deleted, there is no point attempting to ask the
3816      * file server about it or update the attributes.
3817      */
3818     if (scp && ReleaseExtentsCB->AllocationSize.QuadPart != scp->length.QuadPart &&
3819         !deleted)
3820     {
3821         cm_attr_t setAttr;
3822
3823         memset(&setAttr, 0, sizeof(cm_attr_t));
3824         lock_ObtainWrite(&scp->rw);
3825         if (ReleaseExtentsCB->AllocationSize.QuadPart != scp->length.QuadPart) {
3826
3827             osi_Log4(afsd_logp, "RDR_ReleaseFileExtents new length fid vol 0x%x vno 0x%x length 0x%x:%x",
3828                       scp->fid.volume, scp->fid.vnode,
3829                       ReleaseExtentsCB->AllocationSize.HighPart,
3830                       ReleaseExtentsCB->AllocationSize.LowPart);
3831
3832             setAttr.mask |= CM_ATTRMASK_LENGTH;
3833             setAttr.length.LowPart = ReleaseExtentsCB->AllocationSize.LowPart;
3834             setAttr.length.HighPart = ReleaseExtentsCB->AllocationSize.HighPart;
3835         }
3836         lock_ReleaseWrite(&scp->rw);
3837         if (setAttr.mask)
3838             code = cm_SetAttr(scp, &setAttr, userp, &req);
3839     }
3840
3841     for ( count = 0; count < ReleaseExtentsCB->ExtentCount; count++) {
3842         AFSFileExtentCB * pExtent = &ReleaseExtentsCB->FileExtents[count];
3843
3844         thyper.QuadPart = pExtent->FileOffset.QuadPart;
3845
3846         bufp = buf_Find(&Fid, &thyper);
3847         if (bufp) {
3848             if (pExtent->Flags & AFS_EXTENT_FLAG_UNKNOWN) {
3849                 if (!(bufp->qFlags & CM_BUF_QREDIR)) {
3850                     osi_Log4(afsd_logp, "RDR_ReleaseFileExtents extent vol 0x%x vno 0x%x foffset 0x%x:%x",
3851                               Fid.volume, Fid.vnode,
3852                               pExtent->FileOffset.HighPart,
3853                               pExtent->FileOffset.LowPart);
3854                     osi_Log2(afsd_logp, "... coffset 0x%x:%x UNKNOWN to redirector; previously released",
3855                               pExtent->CacheOffset.HighPart,
3856                               pExtent->CacheOffset.LowPart);
3857                 } else {
3858                     osi_Log4(afsd_logp, "RDR_ReleaseFileExtents extent vol 0x%x vno 0x%x foffset 0x%x:%x",
3859                               Fid.volume, Fid.vnode,
3860                               pExtent->FileOffset.HighPart,
3861                               pExtent->FileOffset.LowPart);
3862                     osi_Log2(afsd_logp, "... coffset 0x%x:%x UNKNOWN to redirector; owned by redirector",
3863                               pExtent->CacheOffset.HighPart,
3864                               pExtent->CacheOffset.LowPart);
3865                 }
3866                 buf_Release(bufp);
3867                 continue;
3868             }
3869
3870             if (pExtent->Flags & AFS_EXTENT_FLAG_IN_USE) {
3871                 osi_Log4(afsd_logp, "RDR_ReleaseFileExtents extent vol 0x%x vno 0x%x foffset 0x%x:%x",
3872                           Fid.volume, Fid.vnode,
3873                           pExtent->FileOffset.HighPart,
3874                           pExtent->FileOffset.LowPart);
3875                 osi_Log2(afsd_logp, "... coffset 0x%x:%x IN_USE by file system",
3876                           pExtent->CacheOffset.HighPart,
3877                           pExtent->CacheOffset.LowPart);
3878
3879                 /* Move the buffer to the front of the queue */
3880                 lock_ObtainWrite(&buf_globalLock);
3881                 buf_MoveToHeadOfRedirQueue(scp, bufp);
3882                 lock_ReleaseWrite(&buf_globalLock);
3883                 buf_Release(bufp);
3884                 continue;
3885             }
3886
3887             if (bufp->datap - RDR_extentBaseAddress == pExtent->CacheOffset.QuadPart) {
3888                 if (!(bufp->qFlags & CM_BUF_QREDIR)) {
3889                     osi_Log4(afsd_logp, "RDR_ReleaseFileExtents extent vol 0x%x vno 0x%x foffset 0x%x:%x not held by file system",
3890                              Fid.volume, Fid.vnode, pExtent->FileOffset.HighPart,
3891                              pExtent->FileOffset.LowPart);
3892                     osi_Log2(afsd_logp, "... coffset 0x%x:%x",
3893                              pExtent->CacheOffset.HighPart,
3894                              pExtent->CacheOffset.LowPart);
3895                 } else {
3896                     osi_Log4(afsd_logp, "RDR_ReleaseFileExtents bufp 0x%p vno 0x%x foffset 0x%x:%x",
3897                               bufp, bufp->fid.vnode, pExtent->FileOffset.HighPart,
3898                               pExtent->FileOffset.LowPart);
3899                     osi_Log2(afsd_logp, "... coffset 0x%x:%x",
3900                              pExtent->CacheOffset.HighPart,
3901                              pExtent->CacheOffset.LowPart);
3902
3903                     if (pExtent->Flags || ReleaseExtentsCB->Flags) {
3904                         lock_ObtainMutex(&bufp->mx);
3905                         if ( (ReleaseExtentsCB->Flags & AFS_EXTENT_FLAG_RELEASE) ||
3906                              (pExtent->Flags & AFS_EXTENT_FLAG_RELEASE) )
3907                         {
3908                             if (bufp->qFlags & CM_BUF_QREDIR) {
3909                                 lock_ObtainWrite(&buf_globalLock);
3910                                 if (bufp->qFlags & CM_BUF_QREDIR) {
3911                                     buf_RemoveFromRedirQueue(scp, bufp);
3912                                     buf_ReleaseLocked(bufp, TRUE);
3913                                 }
3914                                 lock_ReleaseWrite(&buf_globalLock);
3915                             }
3916 #ifdef ODS_DEBUG
3917                             snprintf( dbgstr, 1024,
3918                                       "RDR_ReleaseFileExtents releasing: vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
3919                                       Fid.volume, Fid.vnode, Fid.unique,
3920                                       pExtent->FileOffset.HighPart,
3921                                       pExtent->FileOffset.LowPart,
3922                                       pExtent->CacheOffset.HighPart,
3923                                       pExtent->CacheOffset.LowPart);
3924                             OutputDebugStringA( dbgstr);
3925 #endif
3926                             released++;
3927                         } else {
3928 #ifdef ODS_DEBUG
3929                             snprintf( dbgstr, 1024,
3930                                       "RDR_ReleaseFileExtents not releasing: vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
3931                                       Fid.volume, Fid.vnode, Fid.unique,
3932                                       pExtent->FileOffset.HighPart,
3933                                       pExtent->FileOffset.LowPart,
3934                                       pExtent->CacheOffset.HighPart,
3935                                       pExtent->CacheOffset.LowPart);
3936                             OutputDebugStringA( dbgstr);
3937 #endif
3938                             osi_Log4( afsd_logp, "RDR_ReleaseFileExtents not releasing vol 0x%x vno 0x%x foffset 0x%x:%x",
3939                                       Fid.volume, Fid.vnode,
3940                                       pExtent->FileOffset.HighPart,
3941                                       pExtent->FileOffset.LowPart);
3942                             osi_Log2( afsd_logp, "... coffset 0x%x:%x",
3943                                       pExtent->CacheOffset.HighPart,
3944                                       pExtent->CacheOffset.LowPart);
3945                         }
3946
3947                         if ( (ReleaseExtentsCB->Flags & AFS_EXTENT_FLAG_DIRTY) ||
3948                              (pExtent->Flags & AFS_EXTENT_FLAG_DIRTY) )
3949                         {
3950 #ifdef VALIDATE_CHECK_SUM
3951 #ifdef ODS_DEBUG
3952                             HexCheckSum(md5dbg, sizeof(md5dbg), bufp->md5cksum);
3953 #endif
3954
3955                             /*
3956                              * if the saved checksum matches the checksum of the current state of the buffer
3957                              * then the buffer is the same as what was given to the kernel.
3958                              */
3959                             if ( buf_ValidateCheckSum(bufp) ) {
3960                                 buf_ComputeCheckSum(bufp);
3961
3962                                 if (pExtent->Flags & AFS_EXTENT_FLAG_MD5_SET)
3963                                 {
3964 #ifdef ODS_DEBUG
3965                                     HexCheckSum(md5dbg2, sizeof(md5dbg2), pExtent->MD5);
3966                                     HexCheckSum(md5dbg3, sizeof(md5dbg3), bufp->md5cksum);
3967 #endif
3968                                     if (memcmp(bufp->md5cksum, pExtent->MD5, 16))
3969                                     {
3970 #ifdef ODS_DEBUG
3971                                         snprintf( dbgstr, 1024,
3972                                                   "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",
3973                                                   md5dbg, md5dbg2,md5dbg3,
3974                                                   Fid.volume, Fid.vnode, Fid.unique,
3975                                                   pExtent->FileOffset.HighPart,
3976                                                   pExtent->FileOffset.LowPart,
3977                                                   pExtent->CacheOffset.HighPart,
3978                                                   pExtent->CacheOffset.LowPart);
3979                                         OutputDebugStringA( dbgstr);
3980 #endif
3981                                         osi_Log4( afsd_logp, "RDR_ReleaseFileExtents dirty flag set and checksums do not match! vol 0x%x vno 0x%x foffset 0x%x:%x",
3982                                                   Fid.volume, Fid.vnode,
3983                                                   pExtent->FileOffset.HighPart,
3984                                                   pExtent->FileOffset.LowPart);
3985                                         osi_Log2( afsd_logp, "... coffset 0x%x:%x",
3986                                                   pExtent->CacheOffset.HighPart,
3987                                                   pExtent->CacheOffset.LowPart);
3988                                         buf_SetDirty(bufp, &req, pExtent->DirtyOffset, pExtent->DirtyLength, userp);
3989                                         dirty++;
3990                                     } else {
3991 #ifdef ODS_DEBUG
3992                                         snprintf( dbgstr, 1024,
3993                                                   "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",
3994                                                   md5dbg, md5dbg2, md5dbg3,
3995                                                   Fid.volume, Fid.vnode, Fid.unique,
3996                                                   pExtent->FileOffset.HighPart,
3997                                                   pExtent->FileOffset.LowPart,
3998                                                   pExtent->CacheOffset.HighPart,
3999                                                   pExtent->CacheOffset.LowPart);
4000                                         OutputDebugStringA( dbgstr);
4001 #endif
4002                                         osi_Log4( afsd_logp, "RDR_ReleaseFileExtents dirty flag set but extent has not changed vol 0x%x vno 0x%x foffset 0x%x:%x",
4003                                                   Fid.volume, Fid.vnode,
4004                                                   pExtent->FileOffset.HighPart,
4005                                                   pExtent->FileOffset.LowPart);
4006                                         osi_Log2( afsd_logp, "... coffset 0x%x:%x",
4007                                                   pExtent->CacheOffset.HighPart,
4008                                                   pExtent->CacheOffset.LowPart);
4009                                     }
4010                                 } else {
4011 #ifdef ODS_DEBUG
4012                                         snprintf( dbgstr, 1024,
4013                                                   "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",
4014                                                   Fid.volume, Fid.vnode, Fid.unique,
4015                                                   pExtent->FileOffset.HighPart,
4016                                                   pExtent->FileOffset.LowPart,
4017                                                   pExtent->CacheOffset.HighPart,
4018                                                   pExtent->CacheOffset.LowPart);
4019                                         OutputDebugStringA( dbgstr);
4020 #endif
4021                                         osi_Log4( afsd_logp, "RDR_ReleaseFileExtents dirty flag set but extent has not changed vol 0x%x vno 0x%x foffset 0x%x:%x",
4022                                                   Fid.volume, Fid.vnode,
4023                                                   pExtent->FileOffset.HighPart,
4024                                                   pExtent->FileOffset.LowPart);
4025                                         osi_Log2( afsd_logp, "... coffset 0x%x:%x",
4026                                                   pExtent->CacheOffset.HighPart,
4027                                                   pExtent->CacheOffset.LowPart);
4028                                 }
4029                             } else {
4030                                 buf_ComputeCheckSum(bufp);
4031 #ifdef ODS_DEBUG
4032                                 if (pExtent->Flags & AFS_EXTENT_FLAG_MD5_SET)
4033                                 {
4034                                     HexCheckSum(md5dbg3, sizeof(md5dbg3), bufp->md5cksum);
4035                                     if (memcmp(bufp->md5cksum, pExtent->MD5, 16))
4036                                     {
4037                                         snprintf( dbgstr, 1024,
4038                                                   "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",
4039                                                   md5dbg, md5dbg2,md5dbg3,
4040                                                   Fid.volume, Fid.vnode, Fid.unique,
4041                                                   pExtent->FileOffset.HighPart,
4042                                                   pExtent->FileOffset.LowPart,
4043                                                   pExtent->CacheOffset.HighPart,
4044                                                   pExtent->CacheOffset.LowPart);
4045                                         OutputDebugStringA( dbgstr);
4046                                     } else {
4047                                         snprintf( dbgstr, 1024,
4048                                                   "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",
4049                                                   md5dbg, md5dbg2,md5dbg3,
4050                                                   Fid.volume, Fid.vnode, Fid.unique,
4051                                                   pExtent->FileOffset.HighPart,
4052                                                   pExtent->FileOffset.LowPart,
4053                                                   pExtent->CacheOffset.HighPart,
4054                                                   pExtent->CacheOffset.LowPart);
4055                                         OutputDebugStringA( dbgstr);
4056                                     }
4057                                 } else {
4058                                     snprintf( dbgstr, 1024,
4059                                               "RDR_ReleaseFileExtents dirty flag set: vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
4060                                               Fid.volume, Fid.vnode, Fid.unique,
4061                                               pExtent->FileOffset.HighPart,
4062                                               pExtent->FileOffset.LowPart,
4063                                               pExtent->CacheOffset.HighPart,
4064                                               pExtent->CacheOffset.LowPart);
4065                                     OutputDebugStringA( dbgstr);
4066                                 }
4067 #endif
4068                                 buf_SetDirty(bufp, &req, pExtent->DirtyOffset, pExtent->DirtyLength, userp);
4069                                 dirty++;
4070                             }
4071 #else /* !VALIDATE_CHECK_SUM */
4072                             buf_SetDirty(bufp, &req, pExtent->DirtyOffset, pExtent->DirtyLength, userp);
4073                             dirty++;
4074 #endif /* VALIDATE_CHECK_SUM */
4075                         }
4076 #ifdef VALIDATE_CHECK_SUM
4077                         else {
4078 #ifdef ODS_DEBUG
4079                             HexCheckSum(md5dbg, sizeof(md5dbg), bufp->md5cksum);
4080 #endif
4081                             if ( !buf_ValidateCheckSum(bufp) ) {
4082                                 buf_ComputeCheckSum(bufp);
4083 #ifdef ODS_DEBUG
4084                                 HexCheckSum(md5dbg3, sizeof(md5dbg2), bufp->md5cksum);
4085                                 snprintf( dbgstr, 1024,
4086                                           "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",
4087                                           md5dbg, md5dbg3,
4088                                           Fid.volume, Fid.vnode, Fid.unique,
4089                                           pExtent->FileOffset.HighPart,
4090                                           pExtent->FileOffset.LowPart,
4091                                           pExtent->CacheOffset.HighPart,
4092                                           pExtent->CacheOffset.LowPart);
4093                                 OutputDebugStringA( dbgstr);
4094 #endif
4095                                 osi_Log4( afsd_logp, "RDR_ReleaseFileExtents dirty flag not set but extent has changed vol 0x%x vno 0x%x foffset 0x%x:%x",
4096                                           Fid.volume, Fid.vnode,
4097                                           pExtent->FileOffset.HighPart,
4098                                           pExtent->FileOffset.LowPart);
4099                                 osi_Log2( afsd_logp, "... coffset 0x%x:%x",
4100                                           pExtent->CacheOffset.HighPart,
4101                                           pExtent->CacheOffset.LowPart);
4102                                 buf_SetDirty(bufp, &req, pExtent->DirtyOffset, pExtent->DirtyLength, userp);
4103                                 dirty++;
4104                             } else {
4105                                 buf_ComputeCheckSum(bufp);
4106 #ifdef ODS_DEBUG
4107                                 HexCheckSum(md5dbg3, sizeof(md5dbg2), bufp->md5cksum);
4108                                 snprintf( dbgstr, 1024,
4109                                           "RDR_ReleaseFileExtents dirty flag not set: vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
4110                                           Fid.volume, Fid.vnode, Fid.unique,
4111                                           pExtent->FileOffset.HighPart,
4112                                           pExtent->FileOffset.LowPart,
4113                                           pExtent->CacheOffset.HighPart,
4114                                           pExtent->CacheOffset.LowPart);
4115                                 OutputDebugStringA( dbgstr);
4116 #endif
4117                                 osi_Log4( afsd_logp, "RDR_ReleaseFileExtents dirty flag not set: vol 0x%x vno 0x%x foffset 0x%x:%x",
4118                                           Fid.volume, Fid.vnode,
4119                                           pExtent->FileOffset.HighPart,
4120                                           pExtent->FileOffset.LowPart);
4121                                 osi_Log2( afsd_logp, "... coffset 0x%x:%x",
4122                                           pExtent->CacheOffset.HighPart,
4123                                           pExtent->CacheOffset.LowPart);
4124                             }
4125                         }
4126 #endif /* VALIDATE_CHECK_SUM */
4127                         lock_ReleaseMutex(&bufp->mx);
4128                     }
4129                 }
4130             }
4131             else {
4132                 char * datap = RDR_extentBaseAddress + pExtent->CacheOffset.QuadPart;
4133                 cm_buf_t *wbp;
4134
4135                 for (wbp = cm_data.buf_allp; wbp; wbp = wbp->allp) {
4136                     if (wbp->datap == datap)
4137                         break;
4138                 }
4139
4140 #ifdef ODS_DEBUG
4141                 snprintf( dbgstr, 1024,
4142                           "RDR_ReleaseFileExtents non-matching extent vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
4143                           Fid.volume, Fid.vnode, Fid.unique,
4144                           pExtent->FileOffset.HighPart,
4145                           pExtent->FileOffset.LowPart,
4146                           pExtent->CacheOffset.HighPart,
4147                           pExtent->CacheOffset.LowPart);
4148                 OutputDebugStringA( dbgstr);
4149 #endif
4150                 osi_Log4( afsd_logp, "RDR_ReleaseFileExtents non-matching extent vol 0x%x vno 0x%x foffset 0x%x:%x",
4151                           Fid.volume, Fid.vnode,
4152                           pExtent->FileOffset.HighPart,
4153                           pExtent->FileOffset.LowPart);
4154                 osi_Log2( afsd_logp, "... coffset 0x%x:%x",
4155                           pExtent->CacheOffset.HighPart,
4156                           pExtent->CacheOffset.LowPart);
4157                 osi_Log5( afsd_logp, "... belongs to bp 0x%p vol 0x%x vno 0x%x foffset 0x%x:%x",
4158                           wbp, wbp->fid.volume, wbp->fid.vnode, wbp->offset.HighPart, wbp->offset.LowPart);
4159             }
4160             buf_Release(bufp);
4161         }
4162         else {
4163             char * datap = RDR_extentBaseAddress + pExtent->CacheOffset.QuadPart;
4164             cm_buf_t *wbp;
4165
4166             for (wbp = cm_data.buf_allp; wbp; wbp = wbp->allp) {
4167                 if (wbp->datap == datap)
4168                     break;
4169             }
4170
4171 #ifdef ODS_DEBUG
4172             snprintf( dbgstr, 1024,
4173                       "RDR_ReleaseFileExtents unknown extent vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
4174                       Fid.volume, Fid.vnode, Fid.unique,
4175                       pExtent->FileOffset.HighPart,
4176                       pExtent->FileOffset.LowPart,
4177                       pExtent->CacheOffset.HighPart,
4178                       pExtent->CacheOffset.LowPart);
4179             OutputDebugStringA( dbgstr);
4180 #endif
4181             osi_Log4( afsd_logp, "RDR_ReleaseFileExtents unknown extent vol 0x%x vno 0x%x foffset 0x%x:%x",
4182                       Fid.volume, Fid.vnode,
4183                       pExtent->FileOffset.HighPart,
4184                       pExtent->FileOffset.LowPart);
4185             osi_Log2( afsd_logp, "... coffset 0x%x:%x",
4186                       pExtent->CacheOffset.HighPart,
4187                       pExtent->CacheOffset.LowPart);
4188             osi_Log5( afsd_logp, "... belongs to bp 0x%p vol 0x%x vno 0x%x foffset 0x%x:%x",
4189                       wbp, wbp->fid.volume, wbp->fid.vnode, wbp->offset.HighPart, wbp->offset.LowPart);
4190         }
4191     }
4192
4193     if (scp) {
4194         if (deleted) {
4195             code = 0;
4196         } else if (ReleaseExtentsCB->Flags & AFS_EXTENT_FLAG_FLUSH) {
4197             lock_ObtainWrite(&scp->rw);
4198             code = cm_SyncOp(scp, NULL, userp, &req, PRSFS_WRITE,
4199                              CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
4200             lock_ReleaseWrite(&scp->rw);
4201             if (code == 0)
4202                 code = cm_FSync(scp, userp, &req, FALSE);
4203         }
4204         else if (dirty) {
4205             osi_hyper_t offset = {0,0};
4206             afs_uint32  length = 0;
4207             afs_uint32  rights = 0;
4208
4209             lock_ObtainWrite(&scp->rw);
4210             code = cm_SyncOp(scp, NULL, userp, &req, PRSFS_WRITE,
4211                              CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
4212             lock_ReleaseWrite(&scp->rw);
4213             if (code == 0) {
4214                 /*
4215                  * there is at least one dirty extent on this file.  queue up background store
4216                  * requests for contiguous blocks
4217                  */
4218                 for ( count = 0; count < ReleaseExtentsCB->ExtentCount; count++) {
4219                     if (ReleaseExtentsCB->FileExtents[count].FileOffset.QuadPart == offset.QuadPart + length &&
4220                          length + cm_data.buf_blockSize <= cm_chunkSize)
4221                     {
4222                         length += cm_data.buf_blockSize;
4223                     } else {
4224                         if (!(offset.QuadPart == 0 && length == 0))
4225                             cm_QueueBKGRequest(scp, cm_BkgStore, offset.LowPart, offset.HighPart,
4226                                                 length, 0, userp, &req);
4227                         offset.QuadPart = ReleaseExtentsCB->FileExtents[count].FileOffset.QuadPart;
4228                         length = cm_data.buf_blockSize;
4229                     }
4230                 }
4231                 cm_QueueBKGRequest(scp, cm_BkgStore, offset.LowPart, offset.HighPart,
4232                                    length, 0, userp, &req);
4233             }
4234         }
4235         cm_ReleaseSCache(scp);
4236     }
4237
4238     osi_Log5(afsd_logp, "RDR_ReleaseFileExtents File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x Released %d",
4239               FileId.Cell, FileId.Volume,
4240               FileId.Vnode, FileId.Unique, released);
4241     if (code && code != CM_ERROR_WOULDBLOCK) {
4242         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
4243         (*ResultCB)->ResultStatus = status;
4244         osi_Log2(afsd_logp, "RDR_ReleaseFileExtents FAILURE code=0x%x status=0x%x",
4245                   code, status);
4246     } else {
4247         (*ResultCB)->ResultStatus = 0;
4248         osi_Log0(afsd_logp, "RDR_ReleaseFileExtents SUCCESS");
4249     }
4250     (*ResultCB)->ResultBufferLength = 0;
4251
4252     return;
4253 }
4254
4255 DWORD
4256 RDR_ProcessReleaseFileExtentsResult( IN AFSReleaseFileExtentsResultCB *ReleaseFileExtentsResultCB,
4257                                      IN DWORD ResultBufferLength)
4258 {
4259     afs_uint32  code = 0;
4260     cm_req_t    req;
4261     osi_hyper_t thyper;
4262     cm_buf_t    *bufp;
4263     unsigned int fileno, extentno, total_extents = 0;
4264     AFSReleaseFileExtentsResultFileCB *pNextFileCB;
4265 #ifdef ODS_DEBUG
4266 #ifdef VALIDATE_CHECK_SUM
4267     char md5dbg[33], md5dbg2[33], md5dbg3[33];
4268 #endif
4269     char dbgstr[1024];
4270 #endif
4271     RDR_InitReq(&req, FALSE);
4272
4273     for ( fileno = 0, pNextFileCB = &ReleaseFileExtentsResultCB->Files[0];
4274           fileno < ReleaseFileExtentsResultCB->FileCount;
4275           fileno++ ) {
4276         AFSReleaseFileExtentsResultFileCB *pFileCB = pNextFileCB;
4277         cm_user_t       *userp = NULL;
4278         cm_fid_t         Fid;
4279         cm_scache_t *    scp = NULL;
4280         int              dirty = 0;
4281         int              released = 0;
4282         int              deleted = 0;
4283         char * p;
4284
4285         userp = RDR_UserFromAuthGroup( &pFileCB->AuthGroup);
4286
4287         osi_Log4(afsd_logp, "RDR_ProcessReleaseFileExtentsResult %d.%d.%d.%d",
4288                   pFileCB->FileId.Cell, pFileCB->FileId.Volume,
4289                   pFileCB->FileId.Vnode, pFileCB->FileId.Unique);
4290
4291         /* Process the release */
4292         Fid.cell = pFileCB->FileId.Cell;
4293         Fid.volume = pFileCB->FileId.Volume;
4294         Fid.vnode = pFileCB->FileId.Vnode;
4295         Fid.unique = pFileCB->FileId.Unique;
4296         Fid.hash = pFileCB->FileId.Hash;
4297
4298         if (Fid.cell == 0) {
4299             osi_Log4(afsd_logp, "RDR_ProcessReleaseFileExtentsResult Invalid FID %d.%d.%d.%d",
4300                      Fid.cell, Fid.volume, Fid.vnode, Fid.unique);
4301             code = CM_ERROR_INVAL;
4302             goto cleanup_file;
4303         }
4304
4305         code = cm_GetSCache(&Fid, NULL, &scp, userp, &req);
4306         if (code) {
4307             osi_Log1(afsd_logp, "RDR_ProcessReleaseFileExtentsResult cm_GetSCache FID failure code=0x%x",
4308                      code);
4309             /*
4310              * A failure to find the cm_scache object cannot prevent the service
4311              * from accepting the extents back from the redirector.
4312              */
4313         }
4314
4315         deleted = scp && (scp->flags & CM_SCACHEFLAG_DELETED);
4316
4317         /* if the scp was not found, do not perform the length check */
4318         if (scp && (pFileCB->AllocationSize.QuadPart != scp->length.QuadPart)) {
4319             cm_attr_t setAttr;
4320
4321             memset(&setAttr, 0, sizeof(cm_attr_t));
4322             lock_ObtainWrite(&scp->rw);
4323             if (pFileCB->AllocationSize.QuadPart != scp->length.QuadPart) {
4324                 osi_Log4(afsd_logp, "RDR_ReleaseFileExtentsResult length change vol 0x%x vno 0x%x length 0x%x:%x",
4325                           scp->fid.volume, scp->fid.vnode,
4326                           pFileCB->AllocationSize.HighPart,
4327                           pFileCB->AllocationSize.LowPart);
4328                 setAttr.mask |= CM_ATTRMASK_LENGTH;
4329                 setAttr.length.LowPart = pFileCB->AllocationSize.LowPart;
4330                 setAttr.length.HighPart = pFileCB->AllocationSize.HighPart;
4331             }
4332             lock_ReleaseWrite(&scp->rw);
4333             if (setAttr.mask)
4334                 code = cm_SetAttr(scp, &setAttr, userp, &req);
4335         }
4336
4337         for ( extentno = 0; extentno < pFileCB->ExtentCount; total_extents++, extentno++ ) {
4338             AFSFileExtentCB *pExtent = &pFileCB->FileExtents[extentno];
4339
4340             thyper.QuadPart = pExtent->FileOffset.QuadPart;
4341
4342             bufp = buf_Find(&Fid, &thyper);
4343             if (bufp) {
4344                 if (pExtent->Flags & AFS_EXTENT_FLAG_UNKNOWN) {
4345                     if (!(bufp->qFlags & CM_BUF_QREDIR)) {
4346                         osi_Log4(afsd_logp, "RDR_ReleaseFileExtentsResult extent vol 0x%x vno 0x%x foffset 0x%x:%x",
4347                                  Fid.volume, Fid.vnode,
4348                                  pExtent->FileOffset.HighPart,
4349                                  pExtent->FileOffset.LowPart);
4350                         osi_Log2(afsd_logp, "... coffset 0x%x:%x UNKNOWN to redirector; previously released",
4351                                  pExtent->CacheOffset.HighPart,
4352                                  pExtent->CacheOffset.LowPart);
4353                     } else {
4354                         osi_Log4(afsd_logp, "RDR_ReleaseFileExtentsResult extent vol 0x%x vno 0x%x foffset 0x%x:%x",
4355                                  Fid.volume, Fid.vnode,
4356                                  pExtent->FileOffset.HighPart,
4357                                  pExtent->FileOffset.LowPart);
4358                         osi_Log2(afsd_logp, "... coffset 0x%x:%x UNKNOWN to redirector; owned by redirector",
4359                                  pExtent->CacheOffset.HighPart,
4360                                  pExtent->CacheOffset.LowPart);
4361                     }
4362                     buf_Release(bufp);
4363                     continue;
4364                 }
4365
4366                 if (pExtent->Flags & AFS_EXTENT_FLAG_IN_USE) {
4367                     osi_Log4(afsd_logp, "RDR_ReleaseFileExtentsResult extent vol 0x%x vno 0x%x foffset 0x%x:%x",
4368                               Fid.volume, Fid.vnode,
4369                               pExtent->FileOffset.HighPart,
4370                               pExtent->FileOffset.LowPart);
4371                     osi_Log2(afsd_logp, "... coffset 0x%x:%x IN_USE by file system",
4372                               pExtent->CacheOffset.HighPart,
4373                               pExtent->CacheOffset.LowPart);
4374
4375                     /* Move the buffer to the front of the queue */
4376                     lock_ObtainWrite(&buf_globalLock);
4377                     buf_MoveToHeadOfRedirQueue(scp, bufp);
4378                     lock_ReleaseWrite(&buf_globalLock);
4379                     buf_Release(bufp);
4380                     continue;
4381                 }
4382
4383                 if (bufp->datap - RDR_extentBaseAddress == pExtent->CacheOffset.QuadPart) {
4384                     if (!(bufp->qFlags & CM_BUF_QREDIR)) {
4385                         osi_Log4(afsd_logp, "RDR_ReleaseFileExtentsResult extent vol 0x%x vno 0x%x foffset 0x%x:%x",
4386                                  Fid.volume, Fid.vnode,
4387                                  pExtent->FileOffset.HighPart,
4388                                  pExtent->FileOffset.LowPart);
4389                         osi_Log2(afsd_logp, "... coffset 0x%x:%x not held by file system",
4390                                  pExtent->CacheOffset.HighPart,
4391                                  pExtent->CacheOffset.LowPart);
4392 #ifdef ODS_DEBUG
4393                         snprintf(dbgstr, 1024,
4394                                   "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",
4395                                   ReleaseFileExtentsResultCB->Flags, pExtent->Flags,
4396                                   Fid.volume, Fid.vnode, Fid.unique,
4397                                   pExtent->FileOffset.HighPart,
4398                                   pExtent->FileOffset.LowPart,
4399                                   pExtent->CacheOffset.HighPart,
4400                                   pExtent->CacheOffset.LowPart);
4401                         OutputDebugStringA( dbgstr);
4402 #endif
4403                     } else {
4404                         osi_Log5(afsd_logp, "RDR_ProcessReleaseFileExtentsResult bufp 0x%p foffset 0x%x:%x coffset 0x%x:%x",
4405                                  bufp, pExtent->FileOffset.HighPart, pExtent->FileOffset.LowPart,
4406                                  pExtent->CacheOffset.HighPart, pExtent->CacheOffset.LowPart);
4407
4408                         if (pExtent->Flags || ReleaseFileExtentsResultCB->Flags) {
4409                             lock_ObtainMutex(&bufp->mx);
4410                             if ( (ReleaseFileExtentsResultCB->Flags & AFS_EXTENT_FLAG_RELEASE) ||
4411                                  (pExtent->Flags & AFS_EXTENT_FLAG_RELEASE) )
4412                             {
4413                                 if (bufp->qFlags & CM_BUF_QREDIR) {
4414                                     lock_ObtainWrite(&buf_globalLock);
4415                                     if (bufp->qFlags & CM_BUF_QREDIR) {
4416                                         buf_RemoveFromRedirQueue(scp, bufp);
4417                                         buf_ReleaseLocked(bufp, TRUE);
4418                                     }
4419                                     lock_ReleaseWrite(&buf_globalLock);
4420                                 }
4421
4422 #ifdef ODS_DEBUG
4423                                 snprintf(dbgstr, 1024,
4424                                           "RDR_ProcessReleaseFileExtentsResult extent released: vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
4425                                           Fid.volume, Fid.vnode, Fid.unique,
4426                                           pExtent->FileOffset.HighPart,
4427                                           pExtent->FileOffset.LowPart,
4428                                           pExtent->CacheOffset.HighPart,
4429                                           pExtent->CacheOffset.LowPart);
4430                                 OutputDebugStringA( dbgstr);
4431 #endif
4432
4433                                 released++;
4434                             } else {
4435                                 osi_Log4(afsd_logp, "RDR_ProcessReleaseFileExtentsResult not releasing vol 0x%x vno 0x%x foffset 0x%x:%x",
4436                                          Fid.volume, Fid.vnode,
4437                                          pExtent->FileOffset.HighPart,
4438                                          pExtent->FileOffset.LowPart);
4439                                 osi_Log2(afsd_logp, "... coffset 0x%x:%x",
4440                                          pExtent->CacheOffset.HighPart,
4441                                          pExtent->CacheOffset.LowPart);
4442 #ifdef ODS_DEBUG
4443                                 snprintf(dbgstr, 1024,
4444                                           "RDR_ProcessReleaseFileExtentsResult not released! vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
4445                                           Fid.volume, Fid.vnode, Fid.unique,
4446                                           pExtent->FileOffset.HighPart,
4447                                           pExtent->FileOffset.LowPart,
4448                                           pExtent->CacheOffset.HighPart,
4449                                           pExtent->CacheOffset.LowPart);
4450                                 OutputDebugStringA( dbgstr);
4451 #endif
4452                             }
4453
4454                             if ((ReleaseFileExtentsResultCB->Flags & AFS_EXTENT_FLAG_DIRTY) ||
4455                                 (pExtent->Flags & AFS_EXTENT_FLAG_DIRTY))
4456                             {
4457 #ifdef VALIDATE_CHECK_SUM
4458                                 if ( buf_ValidateCheckSum(bufp) ) {
4459 #ifdef ODS_DEBUG
4460                                     HexCheckSum(md5dbg, sizeof(md5dbg), bufp->md5cksum);
4461                                     if (ReleaseFileExtentsResultCB->Flags & AFS_EXTENT_FLAG_MD5_SET)
4462                                         HexCheckSum(md5dbg2, sizeof(md5dbg2), pExtent->MD5);
4463 #endif
4464                                     buf_ComputeCheckSum(bufp);
4465 #ifdef ODS_DEBUG
4466                                     HexCheckSum(md5dbg3, sizeof(md5dbg), bufp->md5cksum);
4467 #endif
4468                                     if (ReleaseFileExtentsResultCB->Flags & AFS_EXTENT_FLAG_MD5_SET)
4469                                     {
4470                                         if (memcmp(bufp->md5cksum, pExtent->MD5, 16))
4471                                         {
4472 #ifdef ODS_DEBUG
4473                                             snprintf(dbgstr, 1024,
4474                                                       "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",
4475                                                       md5dbg3, md5dbg2,
4476                                                       Fid.volume, Fid.vnode, Fid.unique,
4477                                                       pExtent->FileOffset.HighPart,
4478                                                       pExtent->FileOffset.LowPart,
4479                                                       pExtent->CacheOffset.HighPart,
4480                                                       pExtent->CacheOffset.LowPart);
4481                                             OutputDebugStringA( dbgstr);
4482 #endif
4483                                             osi_Log4(afsd_logp,
4484                                                       "RDR_ProcessReleaseFileExtentsResult dirty flag set and checksums do not match! vol 0x%x vno 0x%x foffset 0x%x:%x",
4485                                                       Fid.volume, Fid.vnode,
4486                                                       pExtent->FileOffset.HighPart,
4487                                                       pExtent->FileOffset.LowPart);
4488                                             osi_Log2(afsd_logp,
4489                                                       "... coffset 0x%x:%x",
4490                                                       pExtent->CacheOffset.HighPart,
4491                                                       pExtent->CacheOffset.LowPart);
4492
4493                                             if (!deleted) {
4494                                                 buf_SetDirty(bufp, &req, pExtent->DirtyOffset, pExtent->DirtyLength, userp);
4495                                                 dirty++;
4496                                             }
4497                                         } else {
4498 #ifdef ODS_DEBUG
4499                                             snprintf(dbgstr, 1024,
4500                                                       "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",
4501                                                       md5dbg, md5dbg2, md5dbg3,
4502                                                       Fid.volume, Fid.vnode, Fid.unique,
4503                                                       pExtent->FileOffset.HighPart,
4504                                                       pExtent->FileOffset.LowPart,
4505                                                       pExtent->CacheOffset.HighPart,
4506                                                       pExtent->CacheOffset.LowPart);
4507                                             OutputDebugStringA( dbgstr);
4508 #endif
4509                                             osi_Log4(afsd_logp,
4510                                                       "RDR_ProcessReleaseFileExtentsResult dirty flag set but extent has not changed vol 0x%x vno 0x%x foffset 0x%x:%x",
4511                                                       Fid.volume, Fid.vnode,
4512                                                       pExtent->FileOffset.HighPart,
4513                                                       pExtent->FileOffset.LowPart);
4514                                             osi_Log2(afsd_logp,
4515                                                       "... coffset 0x%x:%x",
4516                                                       pExtent->CacheOffset.HighPart,
4517                                                       pExtent->CacheOffset.LowPart);
4518                                         }
4519                                     }
4520                                 }
4521 #else /* !VALIDATE_CHECK_SUM */
4522                                 if (!deleted) {
4523                                     buf_SetDirty(bufp, &req, pExtent->DirtyOffset, pExtent->DirtyLength, userp);
4524                                     dirty++;
4525                                 }
4526 #ifdef ODS_DEBUG
4527                                 snprintf(dbgstr, 1024,
4528                                           "RDR_ProcessReleaseFileExtentsResult dirty! vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
4529                                           Fid.volume, Fid.vnode, Fid.unique,
4530                                           pExtent->FileOffset.HighPart,
4531                                           pExtent->FileOffset.LowPart,
4532                                           pExtent->CacheOffset.HighPart,
4533                                           pExtent->CacheOffset.LowPart);
4534                                 OutputDebugStringA( dbgstr);
4535 #endif
4536 #endif /* VALIDATE_CHECK_SUM */
4537                             }
4538 #ifdef VALIDATE_CHECK_SUM
4539                             else {
4540 #ifdef ODS_DEBUG
4541                                 HexCheckSum(md5dbg, sizeof(md5dbg), bufp->md5cksum);
4542 #endif
4543                                 if (!buf_ValidateCheckSum(bufp) ) {
4544                                     buf_ComputeCheckSum(bufp);
4545 #ifdef ODS_DEBUG
4546                                     HexCheckSum(md5dbg3, sizeof(md5dbg2), bufp->md5cksum);
4547                                     snprintf(dbgstr, 1024,
4548                                              "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",
4549                                              md5dbg, md5dbg3,
4550                                              Fid.volume, Fid.vnode, Fid.unique,
4551                                              pExtent->FileOffset.HighPart,
4552                                              pExtent->FileOffset.LowPart,
4553                                              pExtent->CacheOffset.HighPart,
4554                                              pExtent->CacheOffset.LowPart);
4555                                     OutputDebugStringA( dbgstr);
4556 #endif
4557                                     osi_Log4(afsd_logp, "RDR_ProcessReleaseFileExtentsResult dirty flag NOT set but extent has changed! vol 0x%x vno 0x%x foffset 0x%x:%x",
4558                                              Fid.volume, Fid.vnode,
4559                                              pExtent->FileOffset.HighPart,
4560                                              pExtent->FileOffset.LowPart);
4561                                     osi_Log2(afsd_logp, "... coffset 0x%x:%x",
4562                                              pExtent->CacheOffset.HighPart,
4563                                              pExtent->CacheOffset.LowPart);
4564
4565                                     if (!deleted) {
4566                                         buf_SetDirty(bufp, &req, pExtent->DirtyOffset, pExtent->DirtyLength, userp);
4567                                         dirty++;
4568                                     }
4569                                 } else {
4570                                     buf_ComputeCheckSum(bufp);
4571 #ifdef ODS_DEBUG
4572                                     HexCheckSum(md5dbg3, sizeof(md5dbg2), bufp->md5cksum);
4573                                     snprintf(dbgstr, 1024,
4574                                              "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",
4575                                              md5dbg, md5dbg3,
4576                                              Fid.volume, Fid.vnode, Fid.unique,
4577                                              pExtent->FileOffset.HighPart,
4578                                              pExtent->FileOffset.LowPart,
4579                                              pExtent->CacheOffset.HighPart,
4580                                              pExtent->CacheOffset.LowPart);
4581                                     OutputDebugStringA( dbgstr);
4582 #endif
4583                                 }
4584                             }
4585 #endif /* VALIDATE_CHECK_SUM */
4586                             lock_ReleaseMutex(&bufp->mx);
4587                         }
4588                     }
4589                 } else {
4590                     /* CacheOffset doesn't match bufp->datap */
4591                     char * datap = RDR_extentBaseAddress + pExtent->CacheOffset.QuadPart;
4592                     cm_buf_t *wbp;
4593
4594                     for (wbp = cm_data.buf_allp; wbp; wbp = wbp->allp) {
4595                         if (wbp->datap == datap)
4596                             break;
4597                     }
4598
4599 #ifdef ODS_DEBUG
4600                     snprintf(dbgstr, 1024,
4601                              "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",
4602                              Fid.volume, Fid.vnode, Fid.unique,
4603                              pExtent->FileOffset.HighPart,
4604                              pExtent->FileOffset.LowPart,
4605                              pExtent->CacheOffset.HighPart,
4606                              pExtent->CacheOffset.LowPart,
4607                              pExtent->Flags);
4608                     OutputDebugStringA( dbgstr);
4609 #endif
4610                     osi_Log4(afsd_logp, "RDR_ProcessReleaseFileExtentsResult non-matching extent vol 0x%x vno 0x%x foffset 0x%x:%x",
4611                              Fid.volume, Fid.vnode,
4612                              pExtent->FileOffset.HighPart,
4613                              pExtent->FileOffset.LowPart);
4614                     osi_Log3(afsd_logp, "... coffset 0x%x:%x flags 0x%x",
4615                              pExtent->CacheOffset.HighPart,
4616                              pExtent->CacheOffset.LowPart,
4617                              pExtent->Flags);
4618                     if (wbp)
4619                         osi_Log5(afsd_logp, "... coffset belongs to bp 0x%p vol 0x%x vno 0x%x foffset 0x%x:%x",
4620                                  wbp, wbp->fid.volume, wbp->fid.vnode, wbp->offset.HighPart, wbp->offset.LowPart);
4621                     else
4622                         osi_Log0(afsd_logp, "... coffset cannot be found");
4623                 }
4624                 buf_Release(bufp);
4625             } else {
4626                 if (pExtent->Flags & AFS_EXTENT_FLAG_UNKNOWN) {
4627                     osi_Log4(afsd_logp, "RDR_ReleaseFileExtentsResult extent vol 0x%x vno 0x%x foffset 0x%x:%x",
4628                              Fid.volume, Fid.vnode, pExtent->FileOffset.HighPart,
4629                              pExtent->FileOffset.LowPart);
4630                     osi_Log2(afsd_logp, "... coffset 0x%x:%x UNKNOWN to redirector; cm_buf not found -- recycled?",
4631                              pExtent->CacheOffset.HighPart,
4632                              pExtent->CacheOffset.LowPart);
4633
4634                     continue;
4635                 }
4636
4637 #ifdef ODS_DEBUG
4638                 snprintf(dbgstr, 1024,
4639                          "RDR_ProcessReleaseFileExtentsResult buf not found vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
4640                          Fid.volume, Fid.vnode, Fid.unique,
4641                          pExtent->FileOffset.HighPart,
4642                          pExtent->FileOffset.LowPart,
4643                          pExtent->CacheOffset.HighPart,
4644                          pExtent->CacheOffset.LowPart);
4645                 OutputDebugStringA( dbgstr);
4646 #endif
4647                 osi_Log4(afsd_logp, "RDR_ProcessReleaseFileExtentsResult buf not found vol 0x%x vno 0x%x foffset 0x%x:%x",
4648                          Fid.volume, Fid.vnode,
4649                          pExtent->FileOffset.HighPart,
4650                          pExtent->FileOffset.LowPart);
4651                 osi_Log2(afsd_logp, "... coffset 0x%x:%x",
4652                          pExtent->CacheOffset.HighPart,
4653                          pExtent->CacheOffset.LowPart);
4654             }
4655         }
4656
4657         if (scp && dirty) {
4658             osi_hyper_t offset = {0,0};
4659             afs_uint32  length = 0;
4660
4661             /*
4662              * there is at least one dirty extent on this file.  queue up background store
4663              * requests for contiguous blocks
4664              */
4665             for ( extentno = 0; extentno < pFileCB->ExtentCount; extentno++ ) {
4666                 AFSFileExtentCB *pExtent = &pFileCB->FileExtents[extentno];
4667                 if (pExtent->FileOffset.QuadPart == offset.QuadPart + length &&
4668                      length < cm_chunkSize) {
4669                     length += cm_data.buf_blockSize;
4670                 } else {
4671                     if (!(offset.QuadPart == 0 && length == 0))
4672                         cm_QueueBKGRequest(scp, cm_BkgStore, offset.LowPart, offset.HighPart,
4673                                             length, 0, userp, &req);
4674                     offset.QuadPart = pExtent->FileOffset.QuadPart;
4675                     length = cm_data.buf_blockSize;
4676                 }
4677             }
4678             cm_QueueBKGRequest(scp, cm_BkgStore, offset.LowPart, offset.HighPart,
4679                                 length, 0, userp, &req);
4680         }
4681
4682         osi_Log5(afsd_logp, "RDR_ProcessReleaseFileExtentsResult File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x Released %d",
4683                   Fid.cell, Fid.volume, Fid.vnode, Fid.unique, released);
4684
4685       cleanup_file:
4686         if (userp)
4687             cm_ReleaseUser(userp);
4688         if (scp)
4689             cm_ReleaseSCache(scp);
4690
4691         p = (char *)pFileCB;
4692         p += sizeof(AFSReleaseFileExtentsResultFileCB);
4693         p += sizeof(AFSFileExtentCB) * (pFileCB->ExtentCount - 1);
4694         pNextFileCB = (AFSReleaseFileExtentsResultFileCB *)p;
4695     }
4696
4697     if (total_extents == 0) {
4698         osi_Log0(afsd_logp, "RDR_ProcessReleaseFileExtentsResult is empty");
4699         code = CM_ERROR_RETRY;
4700     }
4701
4702     if (code)
4703         osi_Log1(afsd_logp, "RDR_ProcessReleaseFileExtentsResult FAILURE code=0x%x", code);
4704     else
4705         osi_Log1(afsd_logp, "RDR_ProcessReleaseFileExtentsResult DONE code=0x%x", code);
4706
4707     return code;
4708 }
4709
4710 DWORD
4711 RDR_ReleaseFailedSetFileExtents( IN cm_user_t *userp,
4712                                  IN AFSSetFileExtentsCB *SetFileExtentsResultCB,
4713                                  IN DWORD ResultBufferLength)
4714 {
4715     afs_uint32  code = 0;
4716     cm_req_t    req;
4717     unsigned int extentno;
4718     cm_fid_t         Fid;
4719     cm_scache_t *    scp = NULL;
4720     int              dirty = 0;
4721
4722     RDR_InitReq(&req, FALSE);
4723
4724     osi_Log4(afsd_logp, "RDR_ReleaseFailedSetFileExtents %d.%d.%d.%d",
4725               SetFileExtentsResultCB->FileId.Cell, SetFileExtentsResultCB->FileId.Volume,
4726               SetFileExtentsResultCB->FileId.Vnode, SetFileExtentsResultCB->FileId.Unique);
4727
4728     /* Process the release */
4729     Fid.cell = SetFileExtentsResultCB->FileId.Cell;
4730     Fid.volume = SetFileExtentsResultCB->FileId.Volume;
4731     Fid.vnode = SetFileExtentsResultCB->FileId.Vnode;
4732     Fid.unique = SetFileExtentsResultCB->FileId.Unique;
4733     Fid.hash = SetFileExtentsResultCB->FileId.Hash;
4734
4735     if (Fid.cell == 0) {
4736         osi_Log4(afsd_logp, "RDR_ReleaseFailedSetFile Invalid FID %d.%d.%d.%d",
4737                   Fid.cell, Fid.volume, Fid.vnode, Fid.unique);
4738         code = CM_ERROR_INVAL;
4739         goto cleanup_file;
4740     }
4741
4742     code = cm_GetSCache(&Fid, NULL, &scp, userp, &req);
4743     if (code) {
4744         osi_Log1(afsd_logp, "RDR_ReleaseFailedSetFileExtents cm_GetSCache FID failure code=0x%x",
4745                   code);
4746         /* Failure to find the cm_scache object cannot block return of the extents */
4747     }
4748
4749     for ( extentno = 0; extentno < SetFileExtentsResultCB->ExtentCount; extentno++ ) {
4750         osi_hyper_t thyper;
4751         cm_buf_t    *bufp;
4752         AFSFileExtentCB *pExtent = &SetFileExtentsResultCB->FileExtents[extentno];
4753
4754         thyper.QuadPart = pExtent->FileOffset.QuadPart;
4755
4756         bufp = buf_Find(&Fid, &thyper);
4757         if (bufp) {
4758             osi_Log5(afsd_logp, "RDR_ReleaseFailedSetFileExtents bufp 0x%p foffset 0x%x:%x coffset 0x%x:%x",
4759                       bufp, pExtent->FileOffset.HighPart, pExtent->FileOffset.LowPart,
4760                       pExtent->CacheOffset.HighPart, pExtent->CacheOffset.LowPart);
4761
4762             lock_ObtainMutex(&bufp->mx);
4763             if (bufp->qFlags & CM_BUF_QREDIR) {
4764                 lock_ObtainWrite(&buf_globalLock);
4765                 if (bufp->qFlags & CM_BUF_QREDIR) {
4766                     buf_RemoveFromRedirQueue(scp, bufp);
4767                     buf_ReleaseLocked(bufp, TRUE);
4768                 }
4769                 lock_ReleaseWrite(&buf_globalLock);
4770             }
4771             lock_ReleaseMutex(&bufp->mx);
4772             buf_Release(bufp);
4773         }
4774     }
4775
4776   cleanup_file:
4777     if (userp)
4778         cm_ReleaseUser(userp);
4779     if (scp)
4780         cm_ReleaseSCache(scp);
4781
4782     osi_Log1(afsd_logp, "RDR_ReleaseFailedSetFileExtents DONE code=0x%x", code);
4783     return code;
4784 }
4785
4786 void
4787 RDR_PioctlOpen( IN cm_user_t *userp,
4788                 IN AFSFileID  ParentId,
4789                 IN AFSPIOCtlOpenCloseRequestCB *pPioctlCB,
4790                 IN BOOL bWow64,
4791                 IN DWORD ResultBufferLength,
4792                 IN OUT AFSCommResult **ResultCB)
4793 {
4794     cm_fid_t    ParentFid;
4795     cm_fid_t    RootFid;
4796     cm_req_t    req;
4797
4798     RDR_InitReq(&req, bWow64);
4799
4800     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult));
4801     if (!(*ResultCB))
4802         return;
4803
4804     memset( *ResultCB,
4805             '\0',
4806             sizeof( AFSCommResult));
4807
4808     /* Get the active directory */
4809     ParentFid.cell = ParentId.Cell;
4810     ParentFid.volume = ParentId.Volume;
4811     ParentFid.vnode = ParentId.Vnode;
4812     ParentFid.unique = ParentId.Unique;
4813     ParentFid.hash = ParentId.Hash;
4814
4815     /* Get the root directory */
4816     RootFid.cell = pPioctlCB->RootId.Cell;
4817     RootFid.volume = pPioctlCB->RootId.Volume;
4818     RootFid.vnode = pPioctlCB->RootId.Vnode;
4819     RootFid.unique = pPioctlCB->RootId.Unique;
4820     RootFid.hash = pPioctlCB->RootId.Hash;
4821
4822     /* Create the pioctl index */
4823     RDR_SetupIoctl(pPioctlCB->RequestId, &ParentFid, &RootFid, userp, &req);
4824
4825     return;
4826 }
4827
4828
4829 void
4830 RDR_PioctlClose( IN cm_user_t *userp,
4831                  IN AFSFileID  ParentId,
4832                  IN AFSPIOCtlOpenCloseRequestCB *pPioctlCB,
4833                  IN BOOL bWow64,
4834                  IN DWORD ResultBufferLength,
4835                  IN OUT AFSCommResult **ResultCB)
4836 {
4837     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult));
4838     if (!(*ResultCB))
4839         return;
4840
4841     memset( *ResultCB,
4842             '\0',
4843             sizeof( AFSCommResult));
4844
4845     /* Cleanup the pioctl index */
4846     RDR_CleanupIoctl(pPioctlCB->RequestId);
4847
4848     return;
4849 }
4850
4851
4852 void
4853 RDR_PioctlWrite( IN cm_user_t *userp,
4854                  IN AFSFileID  ParentId,
4855                  IN AFSPIOCtlIORequestCB *pPioctlCB,
4856                  IN BOOL bWow64,
4857                  IN DWORD ResultBufferLength,
4858                  IN OUT AFSCommResult **ResultCB)
4859 {
4860     AFSPIOCtlIOResultCB *pResultCB;
4861     cm_scache_t *dscp = NULL;
4862     afs_uint32  code;
4863     cm_req_t    req;
4864     DWORD       status;
4865
4866     RDR_InitReq(&req, bWow64);
4867
4868     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult) + sizeof(AFSPIOCtlIOResultCB));
4869     if (!(*ResultCB))
4870         return;
4871
4872     memset( *ResultCB,
4873             '\0',
4874             sizeof( AFSCommResult) + sizeof(AFSPIOCtlIOResultCB));
4875
4876     pResultCB = (AFSPIOCtlIOResultCB *)(*ResultCB)->ResultData;
4877
4878     code = RDR_IoctlWrite(userp, pPioctlCB->RequestId, pPioctlCB->BufferLength, pPioctlCB->MappedBuffer);
4879     if (code) {
4880         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
4881         (*ResultCB)->ResultStatus = status;
4882         return;
4883     }
4884
4885     pResultCB->BytesProcessed = pPioctlCB->BufferLength;
4886     (*ResultCB)->ResultBufferLength = sizeof( AFSPIOCtlIOResultCB);
4887 }
4888
4889 void
4890 RDR_PioctlRead( IN cm_user_t *userp,
4891                 IN AFSFileID  ParentId,
4892                 IN AFSPIOCtlIORequestCB *pPioctlCB,
4893                 IN BOOL bWow64,
4894                 IN BOOL bIsLocalSystem,
4895                 IN DWORD ResultBufferLength,
4896                 IN OUT AFSCommResult **ResultCB)
4897 {
4898     AFSPIOCtlIOResultCB *pResultCB;
4899     cm_scache_t *dscp = NULL;
4900     afs_uint32  code;
4901     cm_req_t    req;
4902     DWORD       status;
4903     afs_uint32  pflags = (bIsLocalSystem ? AFSCALL_FLAG_LOCAL_SYSTEM : 0);
4904
4905     RDR_InitReq(&req, bWow64);
4906
4907     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult) + sizeof(AFSPIOCtlIOResultCB));
4908     if (!(*ResultCB))
4909         return;
4910
4911     memset( *ResultCB,
4912             '\0',
4913             sizeof( AFSCommResult) + sizeof(AFSPIOCtlIOResultCB));
4914
4915     pResultCB = (AFSPIOCtlIOResultCB *)(*ResultCB)->ResultData;
4916
4917     code = RDR_IoctlRead(userp, pPioctlCB->RequestId, pPioctlCB->BufferLength, pPioctlCB->MappedBuffer,
4918                          &pResultCB->BytesProcessed, pflags);
4919     if (code) {
4920         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
4921         (*ResultCB)->ResultStatus = status;
4922         return;
4923     }
4924
4925     (*ResultCB)->ResultBufferLength = sizeof( AFSPIOCtlIOResultCB);
4926 }
4927
4928 void
4929 RDR_ByteRangeLockSync( IN cm_user_t     *userp,
4930                        IN AFSFileID     FileId,
4931                        IN AFSByteRangeLockRequestCB *pBRLRequestCB,
4932                        IN BOOL bWow64,
4933                        IN DWORD ResultBufferLength,
4934                        IN OUT AFSCommResult **ResultCB)
4935 {
4936     AFSByteRangeLockResultCB *pResultCB = NULL;
4937     LARGE_INTEGER ProcessId;
4938     DWORD       Length;
4939     cm_scache_t *scp = NULL;
4940     cm_fid_t    Fid;
4941     afs_uint32  code;
4942     cm_req_t    req;
4943     cm_key_t    key;
4944     DWORD       i;
4945     DWORD       status;
4946
4947     ProcessId.QuadPart = pBRLRequestCB->ProcessId;
4948
4949     RDR_InitReq(&req, bWow64);
4950
4951     osi_Log4(afsd_logp, "RDR_ByteRangeLockSync File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
4952               FileId.Cell, FileId.Volume,
4953               FileId.Vnode, FileId.Unique);
4954     osi_Log2(afsd_logp, "... ProcessId 0x%x:%x",
4955              ProcessId.HighPart, ProcessId.LowPart);
4956
4957     Length = sizeof( AFSByteRangeLockResultCB) + ((pBRLRequestCB->Count - 1) * sizeof(AFSByteRangeLockResult));
4958     if (Length > ResultBufferLength) {
4959         *ResultCB = (AFSCommResult *)malloc(sizeof(AFSCommResult));
4960         if (!(*ResultCB))
4961             return;
4962         memset( *ResultCB, 0, sizeof(AFSCommResult));
4963         (*ResultCB)->ResultStatus = STATUS_BUFFER_OVERFLOW;
4964         return;
4965     }
4966
4967     *ResultCB = (AFSCommResult *)malloc( Length + sizeof( AFSCommResult) );
4968     if (!(*ResultCB))
4969         return;
4970     memset( *ResultCB, '\0', Length + sizeof( AFSCommResult) );
4971     (*ResultCB)->ResultBufferLength = Length;
4972
4973     pResultCB = (AFSByteRangeLockResultCB *)(*ResultCB)->ResultData;
4974     pResultCB->FileId = FileId;
4975     pResultCB->Count = pBRLRequestCB->Count;
4976
4977     /* Allocate the extents from the buffer package */
4978     Fid.cell = FileId.Cell;
4979     Fid.volume = FileId.Volume;
4980     Fid.vnode = FileId.Vnode;
4981     Fid.unique = FileId.Unique;
4982     Fid.hash = FileId.Hash;
4983
4984     code = cm_GetSCache(&Fid, NULL, &scp, userp, &req);
4985     if (code) {
4986         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
4987         (*ResultCB)->ResultStatus = status;
4988         (*ResultCB)->ResultBufferLength = 0;
4989         osi_Log2(afsd_logp, "RDR_ByteRangeLockSync cm_GetSCache FID failure code=0x%x status=0x%x",
4990                   code, status);
4991         return;
4992     }
4993
4994     lock_ObtainWrite(&scp->rw);
4995
4996     /* start by looking up the file's end */
4997     code = cm_SyncOp(scp, NULL, userp, &req, 0,
4998                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
4999     if (code) {
5000         lock_ReleaseWrite(&scp->rw);
5001         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
5002         (*ResultCB)->ResultStatus = status;
5003         (*ResultCB)->ResultBufferLength = 0;
5004         osi_Log3(afsd_logp, "RDR_ByteRangeLockSync cm_SyncOp failure scp=0x%p code=0x%x status=0x%x",
5005                  scp, code, status);
5006         return;
5007     }
5008
5009     /* the scp is now locked and current */
5010     key = cm_GenerateKey(CM_SESSION_IFS, ProcessId.QuadPart, 0);
5011
5012     for ( i=0; i<pBRLRequestCB->Count; i++ ) {
5013         pResultCB->Result[i].LockType = pBRLRequestCB->Request[i].LockType;
5014         pResultCB->Result[i].Offset = pBRLRequestCB->Request[i].Offset;
5015         pResultCB->Result[i].Length = pBRLRequestCB->Request[i].Length;
5016
5017         code = cm_Lock(scp,
5018                        pBRLRequestCB->Request[i].LockType == AFS_BYTE_RANGE_LOCK_TYPE_SHARED,
5019                        pBRLRequestCB->Request[i].Offset,
5020                        pBRLRequestCB->Request[i].Length,
5021                        key, 0, userp, &req, NULL);
5022
5023         if (code) {
5024             osi_Log4(afsd_logp, "RDR_ByteRangeLockSync FAILURE code 0x%x type 0x%u offset 0x%x:%x",
5025                      code,
5026                      pBRLRequestCB->Request[i].LockType,
5027                      pBRLRequestCB->Request[i].Offset.HighPart,
5028                      pBRLRequestCB->Request[i].Offset.LowPart);
5029             osi_Log2(afsd_logp, "... length 0x%x:%x",
5030                      pBRLRequestCB->Request[i].Length.HighPart,
5031                      pBRLRequestCB->Request[i].Length.LowPart);
5032         }
5033
5034         switch (code) {
5035         case 0:
5036             pResultCB->Result[i].Status = 0;
5037             break;
5038         case CM_ERROR_WOULDBLOCK:
5039             pResultCB->Result[i].Status = STATUS_FILE_LOCK_CONFLICT;
5040             break;
5041         default:
5042             pResultCB->Result[i].Status = STATUS_LOCK_NOT_GRANTED;
5043         }
5044     }
5045
5046     cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
5047     lock_ReleaseWrite(&scp->rw);
5048     cm_ReleaseSCache(scp);
5049
5050     (*ResultCB)->ResultStatus = 0;
5051     osi_Log0(afsd_logp, "RDR_ByteRangeLockSync SUCCESS");
5052     return;
5053 }
5054
5055 void
5056 RDR_ByteRangeUnlock( IN cm_user_t     *userp,
5057                      IN AFSFileID     FileId,
5058                      IN AFSByteRangeUnlockRequestCB *pBRURequestCB,
5059                      IN BOOL bWow64,
5060                      IN DWORD ResultBufferLength,
5061                      IN OUT AFSCommResult **ResultCB)
5062 {
5063     AFSByteRangeUnlockResultCB *pResultCB = NULL;
5064     LARGE_INTEGER ProcessId;
5065     DWORD       Length;
5066     cm_scache_t *scp = NULL;
5067     cm_fid_t    Fid;
5068     afs_uint32  code;
5069     cm_req_t    req;
5070     cm_key_t    key;
5071     DWORD       i;
5072     DWORD       status;
5073
5074     ProcessId.QuadPart = pBRURequestCB->ProcessId;
5075
5076     RDR_InitReq(&req, bWow64);
5077
5078     osi_Log4(afsd_logp, "RDR_ByteRangeUnlock File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
5079               FileId.Cell, FileId.Volume,
5080               FileId.Vnode, FileId.Unique);
5081     osi_Log2(afsd_logp, "... ProcessId 0x%x:%x",
5082              ProcessId.HighPart, ProcessId.LowPart);
5083
5084     Length = sizeof( AFSByteRangeUnlockResultCB) + ((pBRURequestCB->Count - 1) * sizeof(AFSByteRangeLockResult));
5085     if (Length > ResultBufferLength) {
5086         *ResultCB = (AFSCommResult *)malloc(sizeof(AFSCommResult));
5087         if (!(*ResultCB))
5088             return;
5089         memset( *ResultCB, 0, sizeof(AFSCommResult));
5090         (*ResultCB)->ResultStatus = STATUS_BUFFER_OVERFLOW;
5091         return;
5092     }
5093
5094     *ResultCB = (AFSCommResult *)malloc( Length + sizeof( AFSCommResult) );
5095     if (!(*ResultCB))
5096         return;
5097     memset( *ResultCB, '\0', Length + sizeof( AFSCommResult) );
5098     (*ResultCB)->ResultBufferLength = Length;
5099
5100     pResultCB = (AFSByteRangeUnlockResultCB *)(*ResultCB)->ResultData;
5101     pResultCB->Count = pBRURequestCB->Count;
5102
5103     /* Allocate the extents from the buffer package */
5104     Fid.cell = FileId.Cell;
5105     Fid.volume = FileId.Volume;
5106     Fid.vnode = FileId.Vnode;
5107     Fid.unique = FileId.Unique;
5108     Fid.hash = FileId.Hash;
5109
5110     code = cm_GetSCache(&Fid, NULL, &scp, userp, &req);
5111     if (code) {
5112         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
5113         (*ResultCB)->ResultStatus = status;
5114         (*ResultCB)->ResultBufferLength = 0;
5115         osi_Log2(afsd_logp, "RDR_ByteRangeUnlock cm_GetSCache FID failure code=0x%x status=0x%x",
5116                   code, status);
5117         return;
5118     }
5119
5120     lock_ObtainWrite(&scp->rw);
5121
5122     /* start by looking up the file's end */
5123     code = cm_SyncOp(scp, NULL, userp, &req, 0,
5124                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
5125     if (code) {
5126         lock_ReleaseWrite(&scp->rw);
5127         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
5128         (*ResultCB)->ResultStatus = status;
5129         (*ResultCB)->ResultBufferLength = 0;
5130         osi_Log3(afsd_logp, "RDR_ByteRangeUnlock cm_SyncOp failure scp=0x%p code=0x%x status=0x%x",
5131                  scp, code, status);
5132         return;
5133     }
5134
5135     /* the scp is now locked and current */
5136     key = cm_GenerateKey(CM_SESSION_IFS, ProcessId.QuadPart, 0);
5137
5138     for ( i=0; i<pBRURequestCB->Count; i++ ) {
5139         pResultCB->Result[i].LockType = pBRURequestCB->Request[i].LockType;
5140         pResultCB->Result[i].Offset = pBRURequestCB->Request[i].Offset;
5141         pResultCB->Result[i].Length = pBRURequestCB->Request[i].Length;
5142
5143         code = cm_Unlock(scp,
5144                          pBRURequestCB->Request[i].LockType == AFS_BYTE_RANGE_LOCK_TYPE_SHARED,
5145                          pBRURequestCB->Request[i].Offset,
5146                          pBRURequestCB->Request[i].Length,
5147                          key, CM_UNLOCK_FLAG_MATCH_RANGE, userp, &req);
5148
5149         if (code) {
5150             osi_Log4(afsd_logp, "RDR_ByteRangeUnlock FAILURE code 0x%x type 0x%u offset 0x%x:%x",
5151                      code, pBRURequestCB->Request[i].LockType,
5152                      pBRURequestCB->Request[i].Offset.HighPart,
5153                      pBRURequestCB->Request[i].Offset.LowPart);
5154             osi_Log2(afsd_logp, "... length 0x%x:%x",
5155                      pBRURequestCB->Request[i].Length.HighPart,
5156                      pBRURequestCB->Request[i].Length.LowPart);
5157         }
5158         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
5159         pResultCB->Result[i].Status = status;
5160     }
5161
5162     cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
5163     lock_ReleaseWrite(&scp->rw);
5164     cm_ReleaseSCache(scp);
5165
5166     (*ResultCB)->ResultStatus = 0;
5167     osi_Log0(afsd_logp, "RDR_ByteRangeUnlock SUCCESS");
5168     return;
5169 }
5170
5171 void
5172 RDR_ByteRangeUnlockAll( IN cm_user_t     *userp,
5173                         IN AFSFileID     FileId,
5174                         IN AFSByteRangeUnlockRequestCB *pBRURequestCB,
5175                         IN BOOL bWow64,
5176                         IN DWORD ResultBufferLength,
5177                         IN OUT AFSCommResult **ResultCB)
5178 {
5179     AFSByteRangeUnlockResultCB *pResultCB = NULL;
5180     LARGE_INTEGER ProcessId;
5181     cm_scache_t *scp = NULL;
5182     cm_fid_t    Fid;
5183     afs_uint32  code;
5184     cm_req_t    req;
5185     cm_key_t    key;
5186     DWORD       status;
5187
5188     ProcessId.QuadPart = pBRURequestCB->ProcessId;
5189
5190     RDR_InitReq(&req, bWow64);
5191
5192     osi_Log4(afsd_logp, "RDR_ByteRangeUnlockAll File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
5193               FileId.Cell, FileId.Volume,
5194               FileId.Vnode, FileId.Unique);
5195     osi_Log2(afsd_logp, "... ProcessId 0x%x:%x",
5196              ProcessId.HighPart, ProcessId.LowPart);
5197
5198     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult));
5199     if (!(*ResultCB))
5200         return;
5201     memset( *ResultCB, '\0', sizeof( AFSCommResult));
5202     (*ResultCB)->ResultBufferLength = 0;
5203
5204     /* Allocate the extents from the buffer package */
5205     Fid.cell = FileId.Cell;
5206     Fid.volume = FileId.Volume;
5207     Fid.vnode = FileId.Vnode;
5208     Fid.unique = FileId.Unique;
5209     Fid.hash = FileId.Hash;
5210
5211     code = cm_GetSCache(&Fid, NULL, &scp, userp, &req);
5212     if (code) {
5213         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
5214         (*ResultCB)->ResultStatus = status;
5215         (*ResultCB)->ResultBufferLength = 0;
5216         osi_Log2(afsd_logp, "RDR_ByteRangeUnlockAll cm_GetSCache FID failure code=0x%x status=0x%x",
5217                   code, status);
5218         return;
5219     }
5220
5221     lock_ObtainWrite(&scp->rw);
5222
5223     /* start by looking up the file's end */
5224     code = cm_SyncOp(scp, NULL, userp, &req, 0,
5225                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
5226     if (code) {
5227         lock_ReleaseWrite(&scp->rw);
5228         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
5229         (*ResultCB)->ResultStatus = status;
5230         (*ResultCB)->ResultBufferLength = 0;
5231         osi_Log3(afsd_logp, "RDR_ByteRangeUnlockAll cm_SyncOp failure scp=0x%p code=0x%x status=0x%x",
5232                  scp, code, status);
5233         return;
5234     }
5235
5236     /* the scp is now locked and current */
5237     key = cm_GenerateKey(CM_SESSION_IFS, ProcessId.QuadPart, 0);
5238
5239     code = cm_UnlockByKey(scp, key, 0, userp, &req);
5240
5241     cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
5242     lock_ReleaseWrite(&scp->rw);
5243     cm_ReleaseSCache(scp);
5244
5245     smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
5246     (*ResultCB)->ResultStatus = status;
5247
5248     if (code)
5249         osi_Log1(afsd_logp, "RDR_ByteRangeUnlockAll FAILURE code 0x%x", code);
5250     else
5251         osi_Log0(afsd_logp, "RDR_ByteRangeUnlockAll SUCCESS");
5252     return;
5253
5254 }
5255
5256 void
5257 RDR_GetVolumeInfo( IN cm_user_t     *userp,
5258                    IN AFSFileID     FileId,
5259                    IN BOOL bWow64,
5260                    IN DWORD ResultBufferLength,
5261                    IN OUT AFSCommResult **ResultCB)
5262 {
5263     AFSVolumeInfoCB *pResultCB = NULL;
5264     DWORD       Length;
5265     cm_scache_t *scp = NULL;
5266     cm_volume_t *volp = NULL;
5267     afs_uint32   volType;
5268     cm_cell_t   *cellp = NULL;
5269     cm_fid_t    Fid;
5270     afs_uint32  code;
5271     cm_req_t    req;
5272     DWORD       status;
5273     FILETIME ft = {0x832cf000, 0x01abfcc4}; /* October 1, 1982 00:00:00 +0600 */
5274
5275     char volName[32]="(unknown)";
5276     char offLineMsg[256]="server temporarily inaccessible";
5277     char motd[256]="server temporarily inaccessible";
5278     cm_conn_t *connp;
5279     AFSFetchVolumeStatus volStat;
5280     char *Name;
5281     char *OfflineMsg;
5282     char *MOTD;
5283     struct rx_connection * rxconnp;
5284     int sync_done = 0;
5285     int scp_locked = 0;
5286
5287     RDR_InitReq(&req, bWow64);
5288
5289     osi_Log4(afsd_logp, "RDR_GetVolumeInfo File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
5290              FileId.Cell, FileId.Volume,
5291              FileId.Vnode, FileId.Unique);
5292
5293     Length = sizeof( AFSCommResult) + sizeof(AFSVolumeInfoCB);
5294     if (sizeof(AFSVolumeInfoCB) > ResultBufferLength) {
5295         *ResultCB = (AFSCommResult *)malloc(sizeof(AFSCommResult) );
5296         if (!(*ResultCB))
5297             return;
5298         memset( *ResultCB, 0, sizeof(AFSCommResult));
5299         (*ResultCB)->ResultStatus = STATUS_BUFFER_OVERFLOW;
5300         return;
5301     }
5302
5303     *ResultCB = (AFSCommResult *)malloc( Length );
5304     if (!(*ResultCB))
5305         return;
5306     memset( *ResultCB, '\0', Length );
5307     (*ResultCB)->ResultBufferLength = sizeof(AFSVolumeInfoCB);
5308     pResultCB = (AFSVolumeInfoCB *)(*ResultCB)->ResultData;
5309
5310     if (FileId.Cell != 0) {
5311         cm_SetFid(&Fid, FileId.Cell, FileId.Volume, 1, 1);
5312         code = cm_GetSCache(&Fid, NULL, &scp, userp, &req);
5313         if (code) {
5314             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
5315             (*ResultCB)->ResultStatus = status;
5316             (*ResultCB)->ResultBufferLength = 0;
5317             osi_Log2(afsd_logp, "RDR_GetVolumeInfo cm_GetSCache FID failure code=0x%x status=0x%x",
5318                       code, status);
5319             return;
5320         }
5321     } else {
5322         (*ResultCB)->ResultStatus = STATUS_OBJECT_NAME_INVALID;
5323         osi_Log0(afsd_logp, "RDR_GetVolumeInfo Object Name Invalid - Cell = 0");
5324         return;
5325     }
5326     lock_ObtainWrite(&scp->rw);
5327     scp_locked = 1;
5328
5329     pResultCB->SectorsPerAllocationUnit = 1;
5330     pResultCB->BytesPerSector = 1024;
5331
5332     pResultCB->CellID = scp->fid.cell;
5333     pResultCB->VolumeID = scp->fid.volume;
5334     pResultCB->Characteristics = FILE_REMOTE_DEVICE;
5335     pResultCB->FileSystemAttributes = FILE_CASE_PRESERVED_NAMES | FILE_UNICODE_ON_DISK |
5336         FILE_SUPPORTS_HARD_LINKS | FILE_SUPPORTS_REPARSE_POINTS;
5337
5338     if (scp->fid.cell==AFS_FAKE_ROOT_CELL_ID &&
5339          scp->fid.volume==AFS_FAKE_ROOT_VOL_ID)
5340     {
5341         pResultCB->TotalAllocationUnits.QuadPart = 100;
5342         memcpy(&pResultCB->VolumeCreationTime, &ft, sizeof(ft));
5343
5344         pResultCB->AvailableAllocationUnits.QuadPart = 0;
5345         pResultCB->Characteristics |= FILE_READ_ONLY_DEVICE;
5346
5347         pResultCB->VolumeLabelLength = cm_Utf8ToUtf16( "Freelance.Local.Root", -1, pResultCB->VolumeLabel,
5348                                                        (sizeof(pResultCB->VolumeLabel) / sizeof(WCHAR)) + 1);
5349         if ( pResultCB->VolumeLabelLength )
5350             pResultCB->VolumeLabelLength--;
5351     } else {
5352         memcpy(&pResultCB->VolumeCreationTime, &ft, sizeof(ft));
5353
5354         volp = cm_GetVolumeByFID(&scp->fid);
5355         if (!volp) {
5356             code = CM_ERROR_NOSUCHVOLUME;
5357             goto _done;
5358         }
5359         volType = cm_VolumeType(volp, scp->fid.volume);
5360
5361         pResultCB->Characteristics |= ((volType == ROVOL || volType == BACKVOL) ? FILE_READ_ONLY_DEVICE : 0);
5362
5363         code = cm_SyncOp(scp, NULL, userp, &req, PRSFS_READ,
5364                          CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
5365         if (code == 0)
5366         {
5367             sync_done = 1;
5368
5369             Name = volName;
5370             OfflineMsg = offLineMsg;
5371             MOTD = motd;
5372             lock_ReleaseWrite(&scp->rw);
5373             scp_locked = 0;
5374
5375             do {
5376                 code = cm_ConnFromFID(&scp->fid, userp, &req, &connp);
5377                 if (code) continue;
5378
5379                 rxconnp = cm_GetRxConn(connp);
5380                 code = RXAFS_GetVolumeStatus(rxconnp, scp->fid.volume,
5381                                               &volStat, &Name, &OfflineMsg, &MOTD);
5382                 rx_PutConnection(rxconnp);
5383
5384             } while (cm_Analyze(connp, userp, &req, &scp->fid, NULL, 0, NULL, NULL, NULL, NULL, code));
5385             code = cm_MapRPCError(code, &req);
5386         }
5387
5388         if (code == 0) {
5389             if (volStat.MaxQuota)
5390             {
5391                 pResultCB->TotalAllocationUnits.QuadPart = volStat.MaxQuota;
5392                 if (volType == ROVOL || volType == BACKVOL) {
5393                     pResultCB->AvailableAllocationUnits.QuadPart = 0;
5394                 }
5395                 else
5396                 {
5397                     pResultCB->AvailableAllocationUnits.QuadPart =
5398                         min(volStat.MaxQuota - volStat.BlocksInUse, volStat.PartBlocksAvail);
5399                 }
5400             }
5401             else
5402             {
5403                 pResultCB->TotalAllocationUnits.QuadPart = volStat.PartMaxBlocks;
5404                 if (volType == ROVOL || volType == BACKVOL) {
5405                     pResultCB->AvailableAllocationUnits.QuadPart = 0;
5406                 }
5407                 else
5408                 {
5409                     pResultCB->AvailableAllocationUnits.QuadPart = volStat.PartBlocksAvail;
5410                 }
5411             }
5412         } else {
5413             /*
5414              * Lie about the available space.  Out of quota errors will need
5415              * detected when the file server rejects the store data.
5416              */
5417             pResultCB->TotalAllocationUnits.QuadPart = 0x7FFFFFFF;
5418             pResultCB->AvailableAllocationUnits.QuadPart = (volType == ROVOL || volType == BACKVOL) ? 0 : 0x3F000000;
5419             code = 0;
5420         }
5421
5422         pResultCB->VolumeLabelLength = cm_Utf8ToUtf16( volp->namep, -1, pResultCB->VolumeLabel,
5423                                                        (sizeof(pResultCB->VolumeLabel) / sizeof(WCHAR)) + 1);
5424         if ( pResultCB->VolumeLabelLength )
5425             pResultCB->VolumeLabelLength--;
5426
5427         if (sync_done) {
5428             if (!scp_locked) {
5429                 lock_ObtainWrite(&scp->rw);
5430                 scp_locked = 1;
5431             }
5432             cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
5433         }
5434     }
5435     pResultCB->VolumeLabelLength *= sizeof(WCHAR);  /* convert to bytes from chars */
5436
5437   _done:
5438     if (scp_locked)
5439         lock_ReleaseWrite(&scp->rw);
5440     if (volp)
5441        cm_PutVolume(volp);
5442     cm_ReleaseSCache(scp);
5443
5444     smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
5445     (*ResultCB)->ResultStatus = status;
5446     osi_Log0(afsd_logp, "RDR_GetVolumeInfo SUCCESS");
5447     return;
5448 }
5449
5450 void
5451 RDR_GetVolumeSizeInfo( IN cm_user_t     *userp,
5452                    IN AFSFileID     FileId,
5453                    IN BOOL bWow64,
5454                    IN DWORD ResultBufferLength,
5455                    IN OUT AFSCommResult **ResultCB)
5456 {
5457     AFSVolumeSizeInfoCB *pResultCB = NULL;
5458     DWORD       Length;
5459     cm_scache_t *scp = NULL;
5460     cm_volume_t *volp = NULL;
5461     afs_uint32   volType;
5462     cm_cell_t   *cellp = NULL;
5463     cm_fid_t    Fid;
5464     afs_uint32  code;
5465     cm_req_t    req;
5466     DWORD       status;
5467
5468     char volName[32]="(unknown)";
5469     char offLineMsg[256]="server temporarily inaccessible";
5470     char motd[256]="server temporarily inaccessible";
5471     cm_conn_t *connp;
5472     AFSFetchVolumeStatus volStat;
5473     char *Name;
5474     char *OfflineMsg;
5475     char *MOTD;
5476     struct rx_connection * rxconnp;
5477     int sync_done = 0;
5478     int scp_locked = 0;
5479
5480     RDR_InitReq(&req, bWow64);
5481
5482     osi_Log4(afsd_logp, "RDR_GetVolumeSizeInfo File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
5483              FileId.Cell, FileId.Volume,
5484              FileId.Vnode, FileId.Unique);
5485
5486     Length = sizeof( AFSCommResult) + sizeof(AFSVolumeSizeInfoCB);
5487     if (sizeof(AFSVolumeSizeInfoCB) > ResultBufferLength) {
5488         *ResultCB = (AFSCommResult *)malloc(sizeof(AFSCommResult) );
5489         if (!(*ResultCB))
5490             return;
5491         memset( *ResultCB, 0, sizeof(AFSCommResult));
5492         (*ResultCB)->ResultStatus = STATUS_BUFFER_OVERFLOW;
5493         return;
5494     }
5495
5496     *ResultCB = (AFSCommResult *)malloc( Length );
5497     if (!(*ResultCB))
5498         return;
5499     memset( *ResultCB, '\0', Length );
5500     (*ResultCB)->ResultBufferLength = sizeof(AFSVolumeSizeInfoCB);
5501     pResultCB = (AFSVolumeSizeInfoCB *)(*ResultCB)->ResultData;
5502
5503     if (FileId.Cell != 0) {
5504         cm_SetFid(&Fid, FileId.Cell, FileId.Volume, 1, 1);
5505         code = cm_GetSCache(&Fid, NULL, &scp, userp, &req);
5506         if (code) {
5507             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
5508             (*ResultCB)->ResultStatus = status;
5509             (*ResultCB)->ResultBufferLength = 0;
5510             osi_Log2(afsd_logp, "RDR_GetVolumeSizeInfo cm_GetSCache FID failure code=0x%x status=0x%x",
5511                       code, status);
5512             return;
5513         }
5514     } else {
5515         (*ResultCB)->ResultStatus = STATUS_OBJECT_NAME_INVALID;
5516         osi_Log0(afsd_logp, "RDR_GetVolumeSizeInfo Object Name Invalid - Cell = 0");
5517         return;
5518     }
5519     lock_ObtainWrite(&scp->rw);
5520     scp_locked = 1;
5521
5522     pResultCB->SectorsPerAllocationUnit = 1;
5523     pResultCB->BytesPerSector = 1024;
5524
5525     if (scp->fid.cell==AFS_FAKE_ROOT_CELL_ID &&
5526         scp->fid.volume==AFS_FAKE_ROOT_VOL_ID)
5527     {
5528         pResultCB->TotalAllocationUnits.QuadPart = 100;
5529         pResultCB->AvailableAllocationUnits.QuadPart = 0;
5530     } else {
5531         volp = cm_GetVolumeByFID(&scp->fid);
5532         if (!volp) {
5533             code = CM_ERROR_NOSUCHVOLUME;
5534             goto _done;
5535         }
5536
5537         volType = cm_VolumeType(volp, scp->fid.volume);
5538
5539         code = cm_SyncOp(scp, NULL, userp, &req, PRSFS_READ,
5540                          CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
5541         if (code == 0)
5542         {
5543             sync_done = 1;
5544
5545             Name = volName;
5546             OfflineMsg = offLineMsg;
5547             MOTD = motd;
5548             lock_ReleaseWrite(&scp->rw);
5549             scp_locked = 0;
5550
5551             do {
5552                 code = cm_ConnFromFID(&scp->fid, userp, &req, &connp);
5553                 if (code) continue;
5554
5555                 rxconnp = cm_GetRxConn(connp);
5556                 code = RXAFS_GetVolumeStatus(rxconnp, scp->fid.volume,
5557                                               &volStat, &Name, &OfflineMsg, &MOTD);
5558                 rx_PutConnection(rxconnp);
5559
5560             } while (cm_Analyze(connp, userp, &req, &scp->fid, NULL, 0, NULL, NULL, NULL, NULL, code));
5561             code = cm_MapRPCError(code, &req);
5562         }
5563
5564         if (code == 0) {
5565             if (volStat.MaxQuota)
5566             {
5567                 pResultCB->TotalAllocationUnits.QuadPart = volStat.MaxQuota;
5568                 if (volType == ROVOL || volType == BACKVOL) {
5569                     pResultCB->AvailableAllocationUnits.QuadPart = 0;
5570                 }
5571                 else
5572                 {
5573                     pResultCB->AvailableAllocationUnits.QuadPart =
5574                         min(volStat.MaxQuota - volStat.BlocksInUse, volStat.PartBlocksAvail);
5575                 }
5576             }
5577             else
5578             {
5579                 pResultCB->TotalAllocationUnits.QuadPart = volStat.PartMaxBlocks;
5580                 if (volType == ROVOL || volType == BACKVOL) {
5581                     pResultCB->AvailableAllocationUnits.QuadPart = 0;
5582                 }
5583                 else
5584                 {
5585                     pResultCB->AvailableAllocationUnits.QuadPart = volStat.PartBlocksAvail;
5586                 }
5587             }
5588         } else {
5589             /*
5590              * Lie about the available space.  Out of quota errors will need
5591              * detected when the file server rejects the store data.
5592              */
5593             pResultCB->TotalAllocationUnits.QuadPart = 0x7FFFFFFF;
5594             pResultCB->AvailableAllocationUnits.QuadPart = (volType == ROVOL || volType == BACKVOL) ? 0 : 0x3F000000;
5595             code = 0;
5596         }
5597
5598         if (sync_done) {
5599             if (!scp_locked) {
5600                 lock_ObtainWrite(&scp->rw);
5601                 scp_locked = 1;
5602             }
5603             cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
5604         }
5605     }
5606
5607   _done:
5608     if (scp_locked)
5609         lock_ReleaseWrite(&scp->rw);
5610     if (volp)
5611        cm_PutVolume(volp);
5612     cm_ReleaseSCache(scp);
5613
5614     smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
5615     (*ResultCB)->ResultStatus = status;
5616     osi_Log0(afsd_logp, "RDR_GetVolumeSizeInfo SUCCESS");
5617     return;
5618 }
5619
5620 void
5621 RDR_HoldFid( IN cm_user_t     *userp,
5622              IN AFSHoldFidRequestCB * pHoldFidCB,
5623              IN BOOL bFast,
5624              IN DWORD ResultBufferLength,
5625              IN OUT AFSCommResult **ResultCB)
5626 {
5627     AFSHoldFidResultCB *pResultCB = NULL;
5628     DWORD       index;
5629     DWORD       Length;
5630     cm_req_t    req;
5631
5632     RDR_InitReq(&req, FALSE);
5633
5634     osi_Log1(afsd_logp, "RDR_HoldFid Count=%u", pHoldFidCB->Count);
5635
5636     Length = sizeof(AFSHoldFidResultCB) + (pHoldFidCB->Count-1) * sizeof(AFSFidResult);
5637     if (Length > ResultBufferLength) {
5638         *ResultCB = (AFSCommResult *)malloc(sizeof(AFSCommResult) );
5639         if (!(*ResultCB))
5640             return;
5641         memset( *ResultCB, 0, sizeof(AFSCommResult));
5642         (*ResultCB)->ResultStatus = STATUS_BUFFER_OVERFLOW;
5643         return;
5644     }
5645     *ResultCB = (AFSCommResult *)malloc( Length + sizeof( AFSCommResult) );
5646     if (!(*ResultCB))
5647         return;
5648     memset( *ResultCB, '\0', Length );
5649     (*ResultCB)->ResultBufferLength = Length;
5650     pResultCB = (AFSHoldFidResultCB *)(*ResultCB)->ResultData;
5651
5652     for ( index = 0; index < pHoldFidCB->Count; index++ )
5653     {
5654         cm_scache_t *scp = NULL;
5655         cm_fid_t    Fid;
5656
5657         Fid.cell   = pResultCB->Result[index].FileID.Cell   = pHoldFidCB->FileID[index].Cell;
5658         Fid.volume = pResultCB->Result[index].FileID.Volume = pHoldFidCB->FileID[index].Volume;
5659         Fid.vnode  = pResultCB->Result[index].FileID.Vnode  = pHoldFidCB->FileID[index].Vnode;
5660         Fid.unique = pResultCB->Result[index].FileID.Unique = pHoldFidCB->FileID[index].Unique;
5661         Fid.hash   = pResultCB->Result[index].FileID.Hash   = pHoldFidCB->FileID[index].Hash;
5662
5663         osi_Log4( afsd_logp,
5664                   "RDR_HoldFid File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
5665                   Fid.cell, Fid.volume, Fid.vnode, Fid.unique);
5666
5667         scp = cm_FindSCache(&Fid);
5668         if (scp) {
5669             RDR_FlagScpInUse( scp, FALSE );
5670             cm_ReleaseSCache(scp);
5671         }
5672         pResultCB->Result[index].Status = 0;
5673     }
5674
5675     (*ResultCB)->ResultStatus = 0;
5676     osi_Log0(afsd_logp, "RDR_HoldFid SUCCESS");
5677     return;
5678 }
5679
5680 void
5681 RDR_ReleaseFid( IN cm_user_t     *userp,
5682                 IN AFSReleaseFidRequestCB * pReleaseFidCB,
5683                 IN BOOL bFast,
5684                 IN DWORD ResultBufferLength,
5685                 IN OUT AFSCommResult **ResultCB)
5686 {
5687     AFSReleaseFidResultCB *pResultCB = NULL;
5688     DWORD       index;
5689     DWORD       Length;
5690     cm_req_t    req;
5691
5692     RDR_InitReq(&req, FALSE);
5693
5694     osi_Log1(afsd_logp, "RDR_ReleaseFid Count=%u", pReleaseFidCB->Count);
5695
5696     Length = sizeof(AFSReleaseFidResultCB) + (pReleaseFidCB->Count ? pReleaseFidCB->Count-1 : 0) * sizeof(AFSFidResult);
5697     if (Length > ResultBufferLength) {
5698         *ResultCB = (AFSCommResult *)malloc(sizeof(AFSCommResult) );
5699         if (!(*ResultCB))
5700             return;
5701         memset( *ResultCB, 0, sizeof(AFSCommResult));
5702         (*ResultCB)->ResultStatus = STATUS_BUFFER_OVERFLOW;
5703         return;
5704     }
5705     *ResultCB = (AFSCommResult *)malloc( Length + sizeof( AFSCommResult) );
5706     if (!(*ResultCB))
5707         return;
5708     memset( *ResultCB, '\0', Length );
5709     (*ResultCB)->ResultBufferLength = Length;
5710     pResultCB = (AFSReleaseFidResultCB *)(*ResultCB)->ResultData;
5711
5712     for ( index = 0; index < pReleaseFidCB->Count; index++ )
5713     {
5714         cm_scache_t *scp = NULL;
5715         cm_fid_t    Fid;
5716
5717         Fid.cell   = pResultCB->Result[index].FileID.Cell   = pReleaseFidCB->FileID[index].Cell;
5718         Fid.volume = pResultCB->Result[index].FileID.Volume = pReleaseFidCB->FileID[index].Volume;
5719         Fid.vnode  = pResultCB->Result[index].FileID.Vnode  = pReleaseFidCB->FileID[index].Vnode;
5720         Fid.unique = pResultCB->Result[index].FileID.Unique = pReleaseFidCB->FileID[index].Unique;
5721         Fid.hash   = pResultCB->Result[index].FileID.Hash   = pReleaseFidCB->FileID[index].Hash;
5722
5723         osi_Log4( afsd_logp,
5724                   "RDR_ReleaseFid File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
5725                   Fid.cell, Fid.volume, Fid.vnode, Fid.unique);
5726
5727         scp = cm_FindSCache(&Fid);
5728         if (scp) {
5729             lock_ObtainWrite(&scp->rw);
5730             scp->flags &= ~CM_SCACHEFLAG_RDR_IN_USE;
5731             lock_ReleaseWrite(&scp->rw);
5732
5733             cm_ReleaseSCache(scp);
5734         }
5735         pResultCB->Result[index].Status = 0;
5736     }
5737     pResultCB->Count = pReleaseFidCB->Count;
5738
5739     (*ResultCB)->ResultStatus = 0;
5740     osi_Log0(afsd_logp, "RDR_ReleaseFid SUCCESS");
5741     return;
5742 }
5743
5744 /*
5745  * The redirector makes several assumptions regarding the
5746  * SRVSVC and WKSSVC pipes transactions.  First, the interface
5747  * versions are those indicated below.  Secondly, the encoding
5748  * will be performed using NDR version 2.  These assumptions
5749  * may not hold in the future and end-to-end MSRPC Bind
5750  * negotiations may need to be supported.  Of course, these
5751  * are the only interface versions that are supported by the
5752  * service.
5753  */
5754 #define MSRPC_PIPE_PREFIX L".\\"
5755
5756 static const UUID MSRPC_SRVSVC_UUID = {0x4B324FC8, 0x1670, 0x01D3,
5757                                        {0x12, 0x78, 0x5A, 0x47, 0xBF, 0x6E, 0xE1, 0x88}};
5758 #define MSRPC_SRVSVC_NAME L"PIPE\\SRVSVC"
5759 #define MSRPC_SRVSVC_VERS 3
5760
5761 static const UUID MSRPC_WKSSVC_UUID = {0x6BFFD098, 0xA112, 0x3610,
5762                                        {0x98, 0x33, 0x46, 0xC3, 0xF8, 0x7E, 0x34, 0x5A}};
5763 #define MSRPC_WKSSVC_NAME L"PIPE\\WKSSVC"
5764 #define MSRPC_WKSSVC_VERS 1
5765
5766 static const UUID MSRPC_NDR_UUID = {0x8A885D04, 0x1CEB, 0x11C9,
5767                                     {0x9F, 0xE8, 0x08, 0x00, 0x2B, 0x10, 0x48, 0x60}};
5768 #define MSRPC_NDR_NAME    L"NDR"
5769 #define MSRPC_NDR_VERS    2
5770
5771 extern RPC_IF_HANDLE srvsvc_v3_0_s_ifspec;
5772 extern RPC_IF_HANDLE wkssvc_v1_0_s_ifspec;
5773
5774 void
5775 RDR_PipeOpen( IN cm_user_t *userp,
5776               IN AFSFileID  ParentId,
5777               IN WCHAR     *Name,
5778               IN DWORD      NameLength,
5779               IN AFSPipeOpenCloseRequestCB *pPipe_CB,
5780               IN BOOL bWow64,
5781               IN DWORD ResultBufferLength,
5782               IN OUT AFSCommResult **ResultCB)
5783 {
5784     cm_fid_t    ParentFid;
5785     cm_fid_t    RootFid;
5786
5787     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult));
5788     if (!(*ResultCB))
5789         return;
5790
5791     memset( *ResultCB,
5792             '\0',
5793             sizeof( AFSCommResult));
5794
5795     /* Get the active directory */
5796     ParentFid.cell = ParentId.Cell;
5797     ParentFid.volume = ParentId.Volume;
5798     ParentFid.vnode = ParentId.Vnode;
5799     ParentFid.unique = ParentId.Unique;
5800     ParentFid.hash = ParentId.Hash;
5801
5802     /* Get the root directory */
5803     RootFid.cell = pPipe_CB->RootId.Cell;
5804     RootFid.volume = pPipe_CB->RootId.Volume;
5805     RootFid.vnode = pPipe_CB->RootId.Vnode;
5806     RootFid.unique = pPipe_CB->RootId.Unique;
5807     RootFid.hash = pPipe_CB->RootId.Hash;
5808
5809     /* Create the pipe index */
5810     (*ResultCB)->ResultStatus =
5811       RDR_SetupPipe( pPipe_CB->RequestId, &ParentFid, &RootFid,
5812                      Name, NameLength, userp);
5813     return;
5814 }
5815
5816
5817 void
5818 RDR_PipeClose( IN cm_user_t *userp,
5819                IN AFSFileID  ParentId,
5820                IN AFSPipeOpenCloseRequestCB *pPipe_CB,
5821                IN BOOL bWow64,
5822                IN DWORD ResultBufferLength,
5823                IN OUT AFSCommResult **ResultCB)
5824 {
5825     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult));
5826     if (!(*ResultCB))
5827         return;
5828
5829     memset( *ResultCB,
5830             '\0',
5831             sizeof( AFSCommResult));
5832
5833     /* Cleanup the pipe index */
5834     RDR_CleanupPipe(pPipe_CB->RequestId);
5835
5836     return;
5837 }
5838
5839
5840 void
5841 RDR_PipeWrite( IN cm_user_t *userp,
5842                IN AFSFileID  ParentId,
5843                IN AFSPipeIORequestCB *pPipe_CB,
5844                IN BYTE *pPipe_Data,
5845                IN BOOL bWow64,
5846                IN DWORD ResultBufferLength,
5847                IN OUT AFSCommResult **ResultCB)
5848 {
5849     AFSPipeIOResultCB *pResultCB;
5850     cm_scache_t *dscp = NULL;
5851     afs_uint32  code;
5852     cm_req_t    req;
5853     DWORD       status;
5854
5855     RDR_InitReq(&req, bWow64);
5856
5857     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult) + sizeof(AFSPipeIOResultCB));
5858     if (!(*ResultCB))
5859         return;
5860
5861     memset( *ResultCB,
5862             '\0',
5863             sizeof( AFSCommResult) + sizeof(AFSPipeIOResultCB));
5864
5865     pResultCB = (AFSPipeIOResultCB *)(*ResultCB)->ResultData;
5866
5867     code = RDR_Pipe_Write( pPipe_CB->RequestId, pPipe_CB->BufferLength, pPipe_Data, &req, userp);
5868     if (code) {
5869         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
5870         (*ResultCB)->ResultStatus = status;
5871         return;
5872     }
5873
5874     pResultCB->BytesProcessed = pPipe_CB->BufferLength;
5875     (*ResultCB)->ResultBufferLength = sizeof( AFSPipeIOResultCB);
5876 }
5877
5878
5879 void
5880 RDR_PipeRead( IN cm_user_t *userp,
5881               IN AFSFileID  ParentId,
5882               IN AFSPipeIORequestCB *pPipe_CB,
5883               IN BOOL bWow64,
5884               IN DWORD ResultBufferLength,
5885               IN OUT AFSCommResult **ResultCB)
5886 {
5887     BYTE *pPipe_Data;
5888     cm_scache_t *dscp = NULL;
5889     afs_uint32  code;
5890     cm_req_t    req;
5891     DWORD       status;
5892
5893     RDR_InitReq(&req, bWow64);
5894
5895     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult) + ResultBufferLength);
5896     if (!(*ResultCB))
5897         return;
5898
5899     memset( *ResultCB,
5900             '\0',
5901             sizeof( AFSCommResult));
5902
5903     pPipe_Data = (BYTE *)(*ResultCB)->ResultData;
5904
5905     code = RDR_Pipe_Read( pPipe_CB->RequestId, ResultBufferLength, pPipe_Data,
5906                           &(*ResultCB)->ResultBufferLength, &req, userp);
5907     if (code) {
5908         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
5909         (*ResultCB)->ResultStatus = status;
5910         return;
5911     }
5912 }
5913
5914
5915 void
5916 RDR_PipeSetInfo( IN cm_user_t *userp,
5917                  IN AFSFileID  ParentId,
5918                  IN AFSPipeInfoRequestCB *pPipeInfo_CB,
5919                  IN BYTE *pPipe_Data,
5920                  IN BOOL bWow64,
5921                  IN DWORD ResultBufferLength,
5922                  IN OUT AFSCommResult **ResultCB)
5923 {
5924     cm_scache_t *dscp = NULL;
5925     cm_req_t    req;
5926     DWORD       status;
5927
5928     RDR_InitReq(&req, bWow64);
5929
5930     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult));
5931     if (!(*ResultCB))
5932         return;
5933
5934     memset( *ResultCB,
5935             '\0',
5936             sizeof( AFSCommResult));
5937
5938     status = RDR_Pipe_SetInfo( pPipeInfo_CB->RequestId, pPipeInfo_CB->InformationClass,
5939                                pPipeInfo_CB->BufferLength, pPipe_Data, &req, userp);
5940
5941     (*ResultCB)->ResultStatus = status;
5942 }
5943
5944
5945 void
5946 RDR_PipeQueryInfo( IN cm_user_t *userp,
5947                    IN AFSFileID  ParentId,
5948                    IN AFSPipeInfoRequestCB *pPipeInfo_CB,
5949                    IN BOOL bWow64,
5950                    IN DWORD ResultBufferLength,
5951                    IN OUT AFSCommResult **ResultCB)
5952 {
5953     BYTE *pPipe_Data;
5954     cm_scache_t *dscp = NULL;
5955     cm_req_t    req;
5956     DWORD       status;
5957
5958     RDR_InitReq(&req, bWow64);
5959
5960     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult) + ResultBufferLength);
5961     if (!(*ResultCB))
5962         return;
5963
5964     memset( *ResultCB,
5965             '\0',
5966             sizeof( AFSCommResult) + sizeof(AFSPipeIOResultCB));
5967
5968     pPipe_Data = (BYTE *)(*ResultCB)->ResultData;
5969
5970     status = RDR_Pipe_QueryInfo( pPipeInfo_CB->RequestId, pPipeInfo_CB->InformationClass,
5971                                  ResultBufferLength, pPipe_Data,
5972                                  &(*ResultCB)->ResultBufferLength, &req, userp);
5973
5974     (*ResultCB)->ResultStatus = status;
5975 }
5976
5977 void
5978 RDR_PipeTransceive( IN cm_user_t     *userp,
5979                     IN AFSFileID  ParentId,
5980                     IN AFSPipeIORequestCB *pPipe_CB,
5981                     IN BYTE *pPipe_InData,
5982                     IN BOOL bWow64,
5983                     IN DWORD ResultBufferLength,
5984                     IN OUT AFSCommResult **ResultCB)
5985 {
5986     /*
5987      * This function processes a Pipe Service request
5988      * that would normally be sent to a LAN Manager server
5989      * across an authenticated SMB-PIPE/MSRPC/SVC request
5990      * stack.  The request is being sent here because the
5991      * application (e.g., Explorer Shell or Common Control File
5992      * dialog) believes that because the UNC path it is
5993      * processing has specified a server name that is not
5994      * "." and that the Server is remote and that the Share
5995      * list cannot be obtained using the Network Provider
5996      * interface.
5997      *
5998      * The file system driver is faking the Bind-Ack response
5999      * to the MSRPC Bind request but cannot decode the NDR
6000      * encoded Pipe Service requests.  For that we will use
6001      * the service's MSRPC module.  However, unlike the SMB
6002      * server usage we must fake the MSRPC Bind exchange and
6003      * map the PipeName to an interface instead of using the
6004      * GUID specified in the MSRPC Bind request.
6005      *
6006      * None of the requests that are being processed by the
6007      * service require authentication.  As a result the userp
6008      * parameter will be ignored.
6009      *
6010      * Although there are dozens of Pipe Services, the only
6011      * ones that we are implementing are WKSSVC and SRVSVC.
6012      * These support NetShareEnum, NetShareGetInfo,
6013      * NetServerGetInfo, and NetWorkstaGetInfo which are
6014      * commonly queried by NET VIEW, the Explorer Shell,
6015      * and the Common Control File dialog.
6016      */
6017     BYTE *pPipe_OutData;
6018     cm_scache_t *dscp = NULL;
6019     afs_uint32  code;
6020     cm_req_t    req;
6021     DWORD       status;
6022     DWORD Length = ResultBufferLength + sizeof( AFSCommResult);
6023
6024     RDR_InitReq(&req, bWow64);
6025
6026     *ResultCB = (AFSCommResult *)malloc( Length);
6027     if (!(*ResultCB))
6028         return;
6029     memset( *ResultCB, '\0', Length );
6030
6031     code = RDR_Pipe_Write( pPipe_CB->RequestId, pPipe_CB->BufferLength, pPipe_InData, &req, userp);
6032     if (code) {
6033         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
6034         osi_Log2( afsd_logp, "RDR_Pipe_Transceive Write FAILURE code=0x%x status=0x%x",
6035                   code, status);
6036         (*ResultCB)->ResultStatus = status;
6037         return;
6038     }
6039
6040     pPipe_OutData = (BYTE *)(*ResultCB)->ResultData;
6041     code = RDR_Pipe_Read( pPipe_CB->RequestId, ResultBufferLength, pPipe_OutData,
6042                           &(*ResultCB)->ResultBufferLength, &req, userp);
6043     if (code) {
6044         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
6045         osi_Log2( afsd_logp, "RDR_Pipe_Transceive Read FAILURE code=0x%x status=0x%x",
6046                   code, status);
6047         (*ResultCB)->ResultStatus = status;
6048         return;
6049     }
6050
6051     (*ResultCB)->ResultStatus = 0;
6052     osi_Log0(afsd_logp, "RDR_Pipe_Transceive SUCCESS");
6053 }