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)
  84 {
  85     cm_InitReq(reqp);
  86     reqp->flags |= CM_REQ_SOURCE_REDIR;
  87 }
  88
  89 void
  90 RDR_fid2FID( cm_fid_t *fid, AFSFileID *FileId)
  91 {
  92     FileId->Cell = fid->cell;
  93     FileId->Volume = fid->volume;
  94     FileId->Vnode = fid->vnode;
  95     FileId->Unique = fid->unique;
  96     FileId->Hash = fid->hash;
  97 }
  98
  99 void
 100 RDR_FID2fid( AFSFileID *FileId, cm_fid_t *fid)
 101 {
 102     fid->cell = FileId->Cell;
 103     fid->volume = FileId->Volume;
 104     fid->vnode = FileId->Vnode;
 105     fid->unique = FileId->Unique;
 106     fid->hash = FileId->Hash;
 107 }
 108
 109 DWORD
 110 RDR_SetInitParams( OUT AFSRedirectorInitInfo **ppRedirInitInfo, OUT DWORD * pRedirInitInfoLen )
 111 {
 112     extern char cm_CachePath[];
 113     extern cm_config_data_t cm_data;
 114     extern int smb_hideDotFiles;
 115     size_t cm_CachePathLen = strlen(cm_CachePath);
 116     size_t err;
 117     DWORD TempPathLen = ExpandEnvironmentStringsW(L"%TEMP%", NULL, 0);
 118     MEMORYSTATUSEX memStatus;
 119     DWORD maxMemoryCacheSize;
 120
 121     memStatus.dwLength = sizeof(memStatus);
 122     if (GlobalMemoryStatusEx(&memStatus)) {
 123         /*
 124          * Use the memory extent interface in the afs redirector
 125          * whenever the cache size is less than equal to 10% of
 126          * physical memory.  Do not use too much because this memory
 127          * will be locked by the redirector so it can't be swapped
 128          * out.
 129          */
 130         maxMemoryCacheSize = (DWORD)(memStatus.ullTotalPhys / 1024 / 10);
 131     } else {
 132         /*
 133          * If we can't determine the amount of physical memory
 134          * in the system, be conservative and limit the use of
 135          * memory extent interface to 64MB data caches.
 136          */
 137         maxMemoryCacheSize = 65536;
 138     }
 139
 140     *pRedirInitInfoLen = (DWORD) (sizeof(AFSRedirectorInitInfo) + (cm_CachePathLen + TempPathLen) * sizeof(WCHAR));
 141     *ppRedirInitInfo = (AFSRedirectorInitInfo *)malloc(*pRedirInitInfoLen);
 142     (*ppRedirInitInfo)->Flags = smb_hideDotFiles ? AFS_REDIR_INIT_FLAG_HIDE_DOT_FILES : 0;
 143     (*ppRedirInitInfo)->MaximumChunkLength = cm_data.chunkSize;
 144     (*ppRedirInitInfo)->GlobalFileId.Cell   = cm_data.rootFid.cell;
 145     (*ppRedirInitInfo)->GlobalFileId.Volume = cm_data.rootFid.volume;
 146     (*ppRedirInitInfo)->GlobalFileId.Vnode  = cm_data.rootFid.vnode;
 147     (*ppRedirInitInfo)->GlobalFileId.Unique = cm_data.rootFid.unique;
 148     (*ppRedirInitInfo)->GlobalFileId.Hash   = cm_data.rootFid.hash;
 149     (*ppRedirInitInfo)->ExtentCount.QuadPart = cm_data.buf_nbuffers;
 150     (*ppRedirInitInfo)->CacheBlockSize = cm_data.blockSize;
 151     (*ppRedirInitInfo)->MaxPathLinkCount = 512; /* this needs to become a registry value */
 152     (*ppRedirInitInfo)->NameArrayLength = 32;   /* this needs to become a registry value */
 153     if (cm_virtualCache || cm_data.bufferSize <= maxMemoryCacheSize) {
 154         osi_Log0(afsd_logp, "RDR_SetInitParams Initializing Memory Extent Interface");
 155         (*ppRedirInitInfo)->MemoryCacheOffset.QuadPart = (LONGLONG)cm_data.bufDataBaseAddress;
 156         (*ppRedirInitInfo)->MemoryCacheLength.QuadPart = cm_data.bufEndOfData - cm_data.bufDataBaseAddress;
 157         (*ppRedirInitInfo)->CacheFileNameLength = 0;
 158         RDR_extentBaseAddress = cm_data.bufDataBaseAddress;
 159     } else {
 160         (*ppRedirInitInfo)->MemoryCacheOffset.QuadPart = 0;
 161         (*ppRedirInitInfo)->MemoryCacheLength.QuadPart = 0;
 162         (*ppRedirInitInfo)->CacheFileNameLength = (ULONG) (cm_CachePathLen * sizeof(WCHAR));
 163         err = mbstowcs((*ppRedirInitInfo)->CacheFileName, cm_CachePath, (cm_CachePathLen + 1) *sizeof(WCHAR));
 164         if (err == -1) {
 165             free(*ppRedirInitInfo);
 166             osi_Log0(afsd_logp, "RDR_SetInitParams Invalid Object Name");
 167             return STATUS_OBJECT_NAME_INVALID;
 168         }
 169         RDR_extentBaseAddress = cm_data.baseAddress;
 170     }
 171     (*ppRedirInitInfo)->DumpFileLocationOffset = FIELD_OFFSET(AFSRedirectorInitInfo, CacheFileName) + (*ppRedirInitInfo)->CacheFileNameLength;
 172     (*ppRedirInitInfo)->DumpFileLocationLength = (TempPathLen - 1) * sizeof(WCHAR);
 173     ExpandEnvironmentStringsW(L"%TEMP%",
 174                               (LPWSTR)(((PBYTE)(*ppRedirInitInfo)) + (*ppRedirInitInfo)->DumpFileLocationOffset),
 175                               TempPathLen);
 176
 177     osi_Log0(afsd_logp,"RDR_SetInitParams Success");
 178     return 0;
 179 }
 180
 181 cm_user_t *
 182 RDR_GetLocalSystemUser( void)
 183 {
 184     smb_username_t *unp;
 185     cm_user_t *userp = NULL;
 186     wchar_t cname[MAX_COMPUTERNAME_LENGTH+1];
 187     int cnamelen = MAX_COMPUTERNAME_LENGTH+1;
 188
 189     GetComputerNameW(cname, &cnamelen);
 190     _wcsupr(cname);
 191
 192     unp = smb_FindUserByName(NTSID_LOCAL_SYSTEM, cname, SMB_FLAG_CREATE);
 193     lock_ObtainMutex(&unp->mx);
 194     if (!unp->userp)
 195         unp->userp = cm_NewUser();
 196     unp->flags |= SMB_USERNAMEFLAG_SID;
 197     lock_ReleaseMutex(&unp->mx);
 198     userp = unp->userp;
 199     cm_HoldUser(userp);
 200     smb_ReleaseUsername(unp);
 201
 202     if (!userp) {
 203         userp = cm_rootUserp;
 204         cm_HoldUser(userp);
 205     }
 206
 207     return userp;
 208 }
 209
 210 cm_user_t *
 211 RDR_UserFromCommRequest( IN AFSCommRequest *RequestBuffer)
 212 {
 213
 214     return RDR_UserFromAuthGroup( &RequestBuffer->AuthGroup);
 215 }
 216
 217 cm_user_t *
 218 RDR_UserFromAuthGroup( IN GUID *pGuid)
 219 {
 220     smb_username_t *unp;
 221     cm_user_t * userp = NULL;
 222     RPC_WSTR UuidString = NULL;
 223     wchar_t cname[MAX_COMPUTERNAME_LENGTH+1];
 224     int cnamelen = MAX_COMPUTERNAME_LENGTH+1;
 225
 226     if (UuidToStringW((UUID *)pGuid, &UuidString) != RPC_S_OK)
 227         goto done;
 228
 229     GetComputerNameW(cname, &cnamelen);
 230     _wcsupr(cname);
 231
 232     unp = smb_FindUserByName(UuidString, cname, SMB_FLAG_CREATE);
 233     lock_ObtainMutex(&unp->mx);
 234     if (!unp->userp)
 235         unp->userp = cm_NewUser();
 236     unp->flags |= SMB_USERNAMEFLAG_SID;
 237     lock_ReleaseMutex(&unp->mx);
 238     userp = unp->userp;
 239     cm_HoldUser(userp);
 240     smb_ReleaseUsername(unp);
 241
 242   done:
 243     if (!userp) {
 244         userp = cm_rootUserp;
 245         cm_HoldUser(userp);
 246     }
 247
 248     osi_Log2(afsd_logp, "RDR_UserFromCommRequest Guid %S userp = 0x%p",
 249              osi_LogSaveStringW(afsd_logp, UuidString),
 250              userp);
 251
 252     if (UuidString)
 253         RpcStringFreeW(&UuidString);
 254
 255     return userp;
 256 }
 257
 258 void
 259 RDR_ReleaseUser( IN cm_user_t *userp )
 260 {
 261     osi_Log1(afsd_logp, "RDR_ReleaseUser userp = 0x%p", userp);
 262     cm_ReleaseUser(userp);
 263 }
 264
 265
 266 /*
 267  * RDR_FlagScpInUse flags the scp with CM_SCACHEFLAG_RDR_IN_USE
 268  */
 269 static void
 270 RDR_FlagScpInUse( IN cm_scache_t *scp, IN BOOL bLocked )
 271 {
 272     if (!bLocked)
 273         lock_ObtainWrite(&scp->rw);
 274
 275     lock_AssertWrite(&scp->rw);
 276     scp->flags |= CM_SCACHEFLAG_RDR_IN_USE;
 277
 278     if (!bLocked)
 279         lock_ReleaseWrite(&scp->rw);
 280 }
 281
 282 /*
 283  * Obtain the status information for the specified object and
 284  *
 285  */
 286 static afs_uint32
 287 RDR_BulkStatLookup( cm_scache_t *dscp,
 288                     cm_scache_t *scp,
 289                     cm_user_t   *userp,
 290                     cm_req_t    *reqp)
 291 {
 292     cm_direnum_t *      enump = NULL;
 293     afs_uint32  code = 0;
 294     cm_dirOp_t    dirop;
 295
 296     code = cm_BeginDirOp(dscp, userp, reqp, CM_DIRLOCK_READ, CM_DIROP_FLAG_NONE, &dirop);
 297     if (code == 0) {
 298         code = cm_BPlusDirEnumerate(dscp, userp, reqp, TRUE, NULL, TRUE, &enump);
 299         if (code) {
 300             osi_Log1(afsd_logp, "RDR_BulkStatLookup cm_BPlusDirEnumerate failure code=0x%x",
 301                       code);
 302         }
 303         cm_EndDirOp(&dirop);
 304     } else {
 305         osi_Log1(afsd_logp, "RDR_BulkStatLookup cm_BeginDirOp failure code=0x%x",
 306                   code);
 307     }
 308
 309
 310     if (enump)
 311     {
 312         code = cm_BPlusDirEnumBulkStatOne(enump, scp);
 313         if (code) {
 314             osi_Log1(afsd_logp, "RDR_BulkStatLookup cm_BPlusDirEnumBulkStatOne failure code=0x%x",
 315                       code);
 316         }
 317         cm_BPlusDirFreeEnumeration(enump);
 318     }
 319
 320     return code;
 321 }
 322
 323
 324 #define RDR_POP_FOLLOW_MOUNTPOINTS 0x01
 325 #define RDR_POP_EVALUATE_SYMLINKS  0x02
 326 #define RDR_POP_WOW64              0x04
 327 #define RDR_POP_NO_GETSTATUS       0x08
 328
 329 afs_uint32
 330 RDR_PopulateCurrentEntry( IN  AFSDirEnumEntry * pCurrentEntry,
 331                           IN  DWORD             dwMaxEntryLength,
 332                           IN  cm_scache_t     * dscp,
 333                           IN  cm_scache_t     * scp,
 334                           IN  cm_user_t       * userp,
 335                           IN  cm_req_t        * reqp,
 336                           IN  wchar_t         * name,
 337                           IN  wchar_t         * shortName,
 338                           IN  DWORD             dwFlags,
 339                           OUT AFSDirEnumEntry **ppNextEntry,
 340                           OUT DWORD           * pdwRemainingLength)
 341 {
 342     FILETIME ft;
 343     WCHAR *  wname, *wtarget;
 344     size_t   len;
 345     DWORD      dwEntryLength;
 346     afs_uint32 code = 0, code2 = 0;
 347     BOOL          bMustFake = FALSE;
 348
 349     osi_Log5(afsd_logp, "RDR_PopulateCurrentEntry dscp=0x%p scp=0x%p name=%S short=%S flags=0x%x",
 350              dscp, scp, osi_LogSaveStringW(afsd_logp, name),
 351              osi_LogSaveStringW(afsd_logp, shortName), dwFlags);
 352     osi_Log1(afsd_logp, "... maxLength=%d", dwMaxEntryLength);
 353
 354     if (dwMaxEntryLength < sizeof(AFSDirEnumEntry) + (MAX_PATH + MOUNTPOINTLEN) * sizeof(wchar_t)) {
 355         if (ppNextEntry)
 356             *ppNextEntry = pCurrentEntry;
 357         if (pdwRemainingLength)
 358             *pdwRemainingLength = dwMaxEntryLength;
 359         osi_Log2(afsd_logp, "RDR_PopulateCurrentEntry Not Enough Room for Entry %d < %d",
 360                  dwMaxEntryLength, sizeof(AFSDirEnumEntry) + (MAX_PATH + MOUNTPOINTLEN) * sizeof(wchar_t));
 361         return CM_ERROR_TOOBIG;
 362     }
 363
 364     if (!name)
 365         name = L"";
 366     if (!shortName)
 367         shortName = L"";
 368
 369     dwEntryLength = sizeof(AFSDirEnumEntry);
 370
 371     lock_ObtainWrite(&scp->rw);
 372     if (dwFlags & RDR_POP_NO_GETSTATUS) {
 373         if (!cm_HaveCallback(scp))
 374             bMustFake = TRUE;
 375     } else {
 376 #ifdef AFS_FREELANCE_CLIENT
 377         if (scp->fid.cell == AFS_FAKE_ROOT_CELL_ID && scp->fid.volume == AFS_FAKE_ROOT_VOL_ID) {
 378             /*
 379              * If the FID is from the Freelance Local Root always perform
 380              * a single item status check.
 381              */
 382             code = cm_SyncOp( scp, NULL, userp, reqp, 0,
 383                               CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
 384             if (code) {
 385                 lock_ReleaseWrite(&scp->rw);
 386                 osi_Log2(afsd_logp, "RDR_PopulateCurrentEntry cm_SyncOp failed for scp=0x%p code=0x%x",
 387                          scp, code);
 388                 return code;
 389             }
 390         } else
 391 #endif
 392         {
 393             /*
 394              * For non-Freelance objects, check to see if we have current
 395              * status information.  If not, perform a bulk status lookup of multiple
 396              * entries in order to reduce the number of RPCs issued to the file server.
 397              */
 398             if ((scp->flags & CM_SCACHEFLAG_EACCESS))
 399                 bMustFake = TRUE;
 400             else if (!cm_HaveCallback(scp)) {
 401                 lock_ReleaseWrite(&scp->rw);
 402                 code = RDR_BulkStatLookup(dscp, scp, userp, reqp);
 403                 if (code) {
 404                     osi_Log2(afsd_logp, "RDR_PopulateCurrentEntry RXR_BulkStatLookup failed for scp=0x%p code=0x%x",
 405                              scp, code);
 406                     return code;
 407                 }
 408                 lock_ObtainWrite(&scp->rw);
 409                 /*
 410                  * RDR_BulkStatLookup can succeed but it may be the case that there
 411                  * still is not valid status info.  If we get this far, generate fake
 412                  * status info.
 413                  */
 414                 if (!cm_HaveCallback(scp))
 415                     bMustFake = TRUE;
 416             }
 417         }
 418
 419     }
 420
 421     /* Populate the real or fake data */
 422     pCurrentEntry->FileId.Cell = scp->fid.cell;
 423     pCurrentEntry->FileId.Volume = scp->fid.volume;
 424     pCurrentEntry->FileId.Vnode = scp->fid.vnode;
 425     pCurrentEntry->FileId.Unique = scp->fid.unique;
 426     pCurrentEntry->FileId.Hash = scp->fid.hash;
 427
 428     pCurrentEntry->FileType = scp->fileType;
 429
 430     pCurrentEntry->DataVersion.QuadPart = scp->dataVersion;
 431
 432     if (scp->fid.cell==AFS_FAKE_ROOT_CELL_ID &&
 433         scp->fid.volume==AFS_FAKE_ROOT_VOL_ID) {
 434         cm_LargeSearchTimeFromUnixTime(&ft, MAX_AFS_UINT32);
 435     } else {
 436         cm_LargeSearchTimeFromUnixTime(&ft, scp->cbExpires);
 437     }
 438     pCurrentEntry->Expiration.LowPart = ft.dwLowDateTime;
 439     pCurrentEntry->Expiration.HighPart = ft.dwHighDateTime;
 440
 441     if (bMustFake) {
 442         /* 1969-12-31 23:59:59 +00 */
 443         ft.dwHighDateTime = 0x19DB200;
 444         ft.dwLowDateTime = 0x5BB78980;
 445     } else
 446         cm_LargeSearchTimeFromUnixTime(&ft, scp->clientModTime);
 447     pCurrentEntry->CreationTime.LowPart = ft.dwLowDateTime;
 448     pCurrentEntry->CreationTime.HighPart = ft.dwHighDateTime;
 449     pCurrentEntry->LastAccessTime = pCurrentEntry->CreationTime;
 450     pCurrentEntry->LastWriteTime = pCurrentEntry->CreationTime;
 451     pCurrentEntry->ChangeTime = pCurrentEntry->CreationTime;
 452
 453     pCurrentEntry->EndOfFile = scp->length;
 454     pCurrentEntry->AllocationSize = scp->length;
 455
 456     if (bMustFake) {
 457         switch (scp->fileType) {
 458         case CM_SCACHETYPE_DIRECTORY:
 459             pCurrentEntry->FileAttributes = SMB_ATTR_DIRECTORY;
 460             break;
 461         case CM_SCACHETYPE_MOUNTPOINT:
 462         case CM_SCACHETYPE_INVALID:
 463             pCurrentEntry->FileAttributes = SMB_ATTR_DIRECTORY | SMB_ATTR_REPARSE_POINT;
 464             break;
 465         case CM_SCACHETYPE_SYMLINK:
 466             if (cm_TargetPerceivedAsDirectory(scp->mountPointStringp))
 467                 pCurrentEntry->FileAttributes = SMB_ATTR_DIRECTORY | SMB_ATTR_REPARSE_POINT;
 468             else
 469                 pCurrentEntry->FileAttributes = SMB_ATTR_REPARSE_POINT;
 470             break;
 471         default:
 472             /* if we get here we either have a normal file
 473             * or we have a file for which we have never
 474             * received status info.  In this case, we can
 475             * check the even/odd value of the entry's vnode.
 476             * odd means it is to be treated as a directory
 477             * and even means it is to be treated as a file.
 478             */
 479             if (scp->fid.vnode & 0x1)
 480                 pCurrentEntry->FileAttributes = SMB_ATTR_DIRECTORY;
 481             else
 482                 pCurrentEntry->FileAttributes = SMB_ATTR_NORMAL;
 483         }
 484     } else
 485         pCurrentEntry->FileAttributes = smb_ExtAttributes(scp);
 486     pCurrentEntry->EaSize = 0;
 487     pCurrentEntry->Links = scp->linkCount;
 488
 489     len = wcslen(shortName);
 490     wcsncpy(pCurrentEntry->ShortName, shortName, len);
 491     pCurrentEntry->ShortNameLength = (CCHAR)(len * sizeof(WCHAR));
 492
 493     pCurrentEntry->FileNameOffset = sizeof(AFSDirEnumEntry);
 494     len = wcslen(name);
 495     wname = (WCHAR *)((PBYTE)pCurrentEntry + pCurrentEntry->FileNameOffset);
 496     wcsncpy(wname, name, len);
 497     pCurrentEntry->FileNameLength = (ULONG)(sizeof(WCHAR) * len);
 498
 499     osi_Log2(afsd_logp, "RDR_PopulateCurrentEntry scp=0x%p fileType=%d",
 500               scp, scp->fileType);
 501
 502     if (!(dwFlags & RDR_POP_NO_GETSTATUS))
 503         cm_SyncOpDone( scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
 504
 505     if ((dwFlags & RDR_POP_NO_GETSTATUS) || !cm_HaveCallback(scp)) {
 506         pCurrentEntry->TargetNameOffset = 0;
 507         pCurrentEntry->TargetNameLength = 0;
 508     }
 509     else
 510     switch (scp->fileType) {
 511     case CM_SCACHETYPE_MOUNTPOINT:
 512         if (dwFlags & RDR_POP_FOLLOW_MOUNTPOINTS) {
 513             if ((code2 = cm_ReadMountPoint(scp, userp, reqp)) == 0) {
 514                 cm_scache_t *targetScp = NULL;
 515
 516                 pCurrentEntry->TargetNameOffset = pCurrentEntry->FileNameOffset + pCurrentEntry->FileNameLength;
 517                 len = strlen(scp->mountPointStringp);
 518                 wtarget = (WCHAR *)((PBYTE)pCurrentEntry + pCurrentEntry->TargetNameOffset);
 519
 520 #ifdef UNICODE
 521                 cch = MultiByteToWideChar( CP_UTF8, 0, scp->mountPointStringp,
 522                                            len * sizeof(char),
 523                                            wtarget,
 524                                            len * sizeof(WCHAR));
 525 #else
 526                 mbstowcs(wtarget, scp->mountPointStringp, len);
 527 #endif
 528                 pCurrentEntry->TargetNameLength = (ULONG)(sizeof(WCHAR) * len);
 529
 530                 code2 = cm_FollowMountPoint(scp, dscp, userp, reqp, &targetScp);
 531
 532                 if (code2 == 0) {
 533                     pCurrentEntry->TargetFileId.Cell = targetScp->fid.cell;
 534                     pCurrentEntry->TargetFileId.Volume = targetScp->fid.volume;
 535                     pCurrentEntry->TargetFileId.Vnode = targetScp->fid.vnode;
 536                     pCurrentEntry->TargetFileId.Unique = targetScp->fid.unique;
 537                     pCurrentEntry->TargetFileId.Hash = targetScp->fid.hash;
 538
 539                     osi_Log4(afsd_logp, "RDR_PopulateCurrentEntry target FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
 540                               pCurrentEntry->TargetFileId.Cell, pCurrentEntry->TargetFileId.Volume,
 541                               pCurrentEntry->TargetFileId.Vnode, pCurrentEntry->TargetFileId.Unique);
 542
 543                     cm_ReleaseSCache(targetScp);
 544                 } else {
 545                     osi_Log2(afsd_logp, "RDR_PopulateCurrentEntry cm_FollowMountPoint failed scp=0x%p code=0x%x",
 546                               scp, code2);
 547                 }
 548             } else {
 549                 osi_Log2(afsd_logp, "RDR_PopulateCurrentEntry cm_ReadMountPoint failed scp=0x%p code=0x%x",
 550                           scp, code2);
 551             }
 552         }
 553         break;
 554     case CM_SCACHETYPE_SYMLINK:
 555     case CM_SCACHETYPE_DFSLINK:
 556         {
 557             pCurrentEntry->TargetNameOffset = pCurrentEntry->FileNameOffset + pCurrentEntry->FileNameLength;
 558             wtarget = (WCHAR *)((PBYTE)pCurrentEntry + pCurrentEntry->TargetNameOffset);
 559
 560             if (dwFlags & RDR_POP_EVALUATE_SYMLINKS) {
 561                 char * mp;
 562
 563                 code2 = cm_HandleLink(scp, userp, reqp);
 564                 if (code2 == 0) {
 565                     mp = scp->mountPointStringp;
 566                     len = strlen(mp);
 567                     if ( len != 0 ) {
 568                         /* Strip off the msdfs: prefix from the target name for the file system */
 569                         if (scp->fileType == CM_SCACHETYPE_DFSLINK) {
 570                             osi_Log0(afsd_logp, "RDR_PopulateCurrentEntry DFSLink Detected");
 571                             pCurrentEntry->FileType = scp->fileType;
 572
 573                             if (!strncmp("msdfs:", mp, 6)) {
 574                                 mp += 6;
 575                                 len -= 6;
 576                             }
 577                         }
 578                         /* only send one slash to the redirector */
 579                         if (mp[0] == '\\' && mp[1] == '\\') {
 580                             mp++;
 581                             len--;
 582                         }
 583 #ifdef UNICODE
 584                         cch = MultiByteToWideChar( CP_UTF8, 0, mp,
 585                                                    len * sizeof(char),
 586                                                    wtarget,
 587                                                    len * sizeof(WCHAR));
 588 #else
 589                         mbstowcs(wtarget, mp, len);
 590 #endif
 591                     }
 592                     pCurrentEntry->TargetNameLength = (ULONG)(sizeof(WCHAR) * len);
 593                 } else {
 594                     osi_Log2(afsd_logp, "RDR_PopulateCurrentEntry cm_HandleLink failed scp=0x%p code=0x%x",
 595                              scp, code2);
 596                 }
 597             }
 598
 599         }
 600         break;
 601
 602     default:
 603         pCurrentEntry->TargetNameOffset = 0;
 604         pCurrentEntry->TargetNameLength = 0;
 605     }
 606     lock_ReleaseWrite(&scp->rw);
 607
 608     dwEntryLength += pCurrentEntry->FileNameLength + pCurrentEntry->TargetNameLength;
 609     dwEntryLength += (dwEntryLength % 8) ? 8 - (dwEntryLength % 8) : 0;   /* quad align */
 610     if (ppNextEntry)
 611         *ppNextEntry = (AFSDirEnumEntry *)((PBYTE)pCurrentEntry + dwEntryLength);
 612     if (pdwRemainingLength)
 613         *pdwRemainingLength = dwMaxEntryLength - dwEntryLength;
 614
 615     osi_Log3(afsd_logp, "RDR_PopulateCurrentEntry Success FileNameLength=%d TargetNameLength=%d RemainingLength=%d",
 616               pCurrentEntry->FileNameLength, pCurrentEntry->TargetNameLength, *pdwRemainingLength);
 617
 618     return code;
 619 }
 620
 621 afs_uint32
 622 RDR_PopulateCurrentEntryNoScp( IN  AFSDirEnumEntry * pCurrentEntry,
 623                                IN  DWORD             dwMaxEntryLength,
 624                                IN  cm_scache_t     * dscp,
 625                                IN  cm_fid_t        * fidp,
 626                                IN  cm_user_t       * userp,
 627                                IN  cm_req_t        * reqp,
 628                                IN  wchar_t         * name,
 629                                IN  wchar_t         * shortName,
 630                                IN  DWORD             dwFlags,
 631                                OUT AFSDirEnumEntry **ppNextEntry,
 632                                OUT DWORD           * pdwRemainingLength)
 633 {
 634     FILETIME ft;
 635     WCHAR *  wname;
 636     size_t   len;
 637     DWORD      dwEntryLength;
 638     afs_uint32 code = 0, code2 = 0;
 639
 640     osi_Log4(afsd_logp, "RDR_PopulateCurrentEntryNoEntry dscp=0x%p name=%S short=%S flags=0x%x",
 641              dscp, osi_LogSaveStringW(afsd_logp, name),
 642              osi_LogSaveStringW(afsd_logp, shortName), dwFlags);
 643     osi_Log1(afsd_logp, "... maxLength=%d", dwMaxEntryLength);
 644
 645     if (dwMaxEntryLength < sizeof(AFSDirEnumEntry) + (MAX_PATH + MOUNTPOINTLEN) * sizeof(wchar_t)) {
 646         if (ppNextEntry)
 647             *ppNextEntry = pCurrentEntry;
 648         if (pdwRemainingLength)
 649             *pdwRemainingLength = dwMaxEntryLength;
 650         osi_Log2(afsd_logp, "RDR_PopulateCurrentEntryNoEntry Not Enough Room for Entry %d < %d",
 651                  dwMaxEntryLength, sizeof(AFSDirEnumEntry) + (MAX_PATH + MOUNTPOINTLEN) * sizeof(wchar_t));
 652         return CM_ERROR_TOOBIG;
 653     }
 654
 655     if (!name)
 656         name = L"";
 657     if (!shortName)
 658         shortName = L"";
 659
 660     dwEntryLength = sizeof(AFSDirEnumEntry);
 661
 662     pCurrentEntry->FileId.Cell = fidp->cell;
 663     pCurrentEntry->FileId.Volume = fidp->volume;
 664     pCurrentEntry->FileId.Vnode = fidp->vnode;
 665     pCurrentEntry->FileId.Unique = fidp->unique;
 666     pCurrentEntry->FileId.Hash = fidp->hash;
 667
 668     pCurrentEntry->FileType = CM_SCACHETYPE_UNKNOWN;
 669
 670     pCurrentEntry->DataVersion.QuadPart = CM_SCACHE_VERSION_BAD;
 671
 672     cm_LargeSearchTimeFromUnixTime(&ft, 0);
 673     pCurrentEntry->Expiration.LowPart = ft.dwLowDateTime;
 674     pCurrentEntry->Expiration.HighPart = ft.dwHighDateTime;
 675
 676     cm_LargeSearchTimeFromUnixTime(&ft, 0);
 677     pCurrentEntry->CreationTime.LowPart = ft.dwLowDateTime;
 678     pCurrentEntry->CreationTime.HighPart = ft.dwHighDateTime;
 679     pCurrentEntry->LastAccessTime = pCurrentEntry->CreationTime;
 680     pCurrentEntry->LastWriteTime = pCurrentEntry->CreationTime;
 681     pCurrentEntry->ChangeTime = pCurrentEntry->CreationTime;
 682
 683     pCurrentEntry->EndOfFile.QuadPart = 0;
 684     pCurrentEntry->AllocationSize.QuadPart = 0;
 685     pCurrentEntry->FileAttributes = 0;
 686     pCurrentEntry->EaSize = 0;
 687     pCurrentEntry->Links = 0;
 688
 689     len = wcslen(shortName);
 690     wcsncpy(pCurrentEntry->ShortName, shortName, len);
 691     pCurrentEntry->ShortNameLength = (CCHAR)(len * sizeof(WCHAR));
 692
 693     pCurrentEntry->FileNameOffset = sizeof(AFSDirEnumEntry);
 694     len = wcslen(name);
 695     wname = (WCHAR *)((PBYTE)pCurrentEntry + pCurrentEntry->FileNameOffset);
 696     wcsncpy(wname, name, len);
 697     pCurrentEntry->FileNameLength = (ULONG)(sizeof(WCHAR) * len);
 698
 699     pCurrentEntry->TargetNameOffset = 0;
 700     pCurrentEntry->TargetNameLength = 0;
 701
 702     dwEntryLength += pCurrentEntry->FileNameLength + pCurrentEntry->TargetNameLength;
 703     dwEntryLength += (dwEntryLength % 8) ? 8 - (dwEntryLength % 8) : 0;   /* quad align */
 704     if (ppNextEntry)
 705         *ppNextEntry = (AFSDirEnumEntry *)((PBYTE)pCurrentEntry + dwEntryLength);
 706     if (pdwRemainingLength)
 707         *pdwRemainingLength = dwMaxEntryLength - dwEntryLength;
 708
 709     osi_Log3(afsd_logp, "RDR_PopulateCurrentEntryNoScp Success FileNameLength=%d TargetNameLength=%d RemainingLength=%d",
 710               pCurrentEntry->FileNameLength, pCurrentEntry->TargetNameLength, *pdwRemainingLength);
 711
 712     return code;
 713 }
 714
 715 void
 716 RDR_EnumerateDirectory( IN cm_user_t *userp,
 717                         IN AFSFileID DirID,
 718                         IN AFSDirQueryCB *QueryCB,
 719                         IN BOOL bWow64,
 720                         IN BOOL bSkipStatus,
 721                         IN DWORD ResultBufferLength,
 722                         IN OUT AFSCommResult **ResultCB)
 723 {
 724     DWORD status;
 725     cm_direnum_t *      enump = NULL;
 726     AFSDirEnumResp  * pDirEnumResp;
 727     AFSDirEnumEntry * pCurrentEntry;
 728     size_t size = ResultBufferLength ? sizeof(AFSCommResult) + ResultBufferLength - 1 : sizeof(AFSCommResult);
 729     DWORD             dwMaxEntryLength;
 730     afs_uint32  code = 0;
 731     cm_fid_t      fid;
 732     cm_scache_t * dscp = NULL;
 733     cm_req_t      req;
 734
 735     RDR_InitReq(&req);
 736     if ( bWow64 )
 737         req.flags |= CM_REQ_WOW64;
 738
 739     osi_Log4(afsd_logp, "RDR_EnumerateDirectory FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
 740              DirID.Cell, DirID.Volume, DirID.Vnode, DirID.Unique);
 741
 742     *ResultCB = (AFSCommResult *)malloc(size);
 743     if (!(*ResultCB)) {
 744         osi_Log0(afsd_logp, "RDR_EnumerateDirectory Out of Memory");
 745         return;
 746     }
 747
 748     memset(*ResultCB, 0, size);
 749
 750     if (QueryCB->EnumHandle == (ULONG_PTR)-1) {
 751         osi_Log0(afsd_logp, "RDR_EnumerateDirectory No More Entries");
 752         (*ResultCB)->ResultStatus = STATUS_NO_MORE_ENTRIES;
 753         (*ResultCB)->ResultBufferLength = 0;
 754         return;
 755     }
 756
 757     (*ResultCB)->ResultBufferLength = dwMaxEntryLength = ResultBufferLength;
 758     if (ResultBufferLength) {
 759         pDirEnumResp = (AFSDirEnumResp *)&(*ResultCB)->ResultData;
 760         pCurrentEntry = (AFSDirEnumEntry *)&pDirEnumResp->Entry;
 761         dwMaxEntryLength -= FIELD_OFFSET( AFSDirEnumResp, Entry);      /* AFSDirEnumResp */
 762     }
 763
 764     if (DirID.Cell != 0) {
 765         fid.cell   = DirID.Cell;
 766         fid.volume = DirID.Volume;
 767         fid.vnode  = DirID.Vnode;
 768         fid.unique = DirID.Unique;
 769         fid.hash   = DirID.Hash;
 770
 771         code = cm_GetSCache(&fid, &dscp, userp, &req);
 772         if (code) {
 773             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
 774             (*ResultCB)->ResultStatus = status;
 775             osi_Log2(afsd_logp, "RDR_EnumerateDirectory cm_GetSCache failure code=0x%x status=0x%x",
 776                       code, status);
 777             return;
 778         }
 779     } else {
 780         (*ResultCB)->ResultStatus = STATUS_OBJECT_NAME_INVALID;
 781         osi_Log0(afsd_logp, "RDR_EnumerateDirectory Object Name Invalid - Cell = 0");
 782         return;
 783     }
 784
 785     /* get the directory size */
 786     lock_ObtainWrite(&dscp->rw);
 787     code = cm_SyncOp(dscp, NULL, userp, &req, PRSFS_LOOKUP,
 788                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
 789     if (code) {
 790         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
 791         (*ResultCB)->ResultStatus = status;
 792         lock_ReleaseWrite(&dscp->rw);
 793         cm_ReleaseSCache(dscp);
 794         osi_Log2(afsd_logp, "RDR_EnumerateDirectory cm_SyncOp failure code=0x%x status=0x%x",
 795                   code, status);
 796         return;
 797     }
 798
 799     cm_SyncOpDone(dscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
 800     lock_ReleaseWrite(&dscp->rw);
 801
 802     if (dscp->fileType != CM_SCACHETYPE_DIRECTORY) {
 803         (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
 804         cm_ReleaseSCache(dscp);
 805         osi_Log1(afsd_logp, "RDR_EnumerateDirectory Not a Directory dscp=0x%p",
 806                  dscp);
 807         return;
 808     }
 809
 810     /*
 811      * If there is no enumeration handle, then this is a new query
 812      * and we must perform an enumeration for the specified object
 813      */
 814     if (QueryCB->EnumHandle == (ULONG_PTR)NULL) {
 815         cm_dirOp_t    dirop;
 816
 817         code = cm_BeginDirOp(dscp, userp, &req, CM_DIRLOCK_READ, CM_DIROP_FLAG_NONE, &dirop);
 818         if (code == 0) {
 819             code = cm_BPlusDirEnumerate(dscp, userp, &req, TRUE, NULL, !bSkipStatus, &enump);
 820             if (code) {
 821                 osi_Log1(afsd_logp, "RDR_EnumerateDirectory cm_BPlusDirEnumerate failure code=0x%x",
 822                           code);
 823             }
 824             cm_EndDirOp(&dirop);
 825         } else {
 826             osi_Log1(afsd_logp, "RDR_EnumerateDirectory cm_BeginDirOp failure code=0x%x",
 827                       code);
 828         }
 829     } else {
 830         enump = (cm_direnum_t *)QueryCB->EnumHandle;
 831     }
 832
 833     if (enump && ResultBufferLength) {
 834         cm_direnum_entry_t * entryp = NULL;
 835
 836       getnextentry:
 837         if (dwMaxEntryLength < sizeof(AFSDirEnumEntry) + (MAX_PATH + MOUNTPOINTLEN) * sizeof(wchar_t)) {
 838             osi_Log0(afsd_logp, "RDR_EnumerateDirectory out of space, returning");
 839             goto outofspace;
 840         }
 841
 842         code = cm_BPlusDirNextEnumEntry(enump, &entryp);
 843
 844         if ((code == 0 || code == CM_ERROR_STOPNOW) && entryp) {
 845             cm_scache_t *scp;
 846             int stopnow = (code == CM_ERROR_STOPNOW);
 847
 848             if ( !wcscmp(L".", entryp->name) || !wcscmp(L"..", entryp->name) ) {
 849                 osi_Log0(afsd_logp, "RDR_EnumerateDirectory skipping . or ..");
 850                 if (stopnow)
 851                     goto outofspace;
 852                 goto getnextentry;
 853             }
 854
 855             if ( FALSE /* bSkipStatus */) {
 856                 scp = cm_FindSCache(&entryp->fid);
 857                 code = 0;
 858             } else {
 859                 code = cm_GetSCache(&entryp->fid, &scp, userp, &req);
 860             }
 861
 862             if (!code) {
 863                 if (scp) {
 864                     code = RDR_PopulateCurrentEntry(pCurrentEntry, dwMaxEntryLength,
 865                                                      dscp, scp, userp, &req,
 866                                                      entryp->name,
 867                                                      cm_Is8Dot3(entryp->name) ? NULL : entryp->shortName,
 868                                                      (bWow64 ? RDR_POP_WOW64 : 0) |
 869                                                      (bSkipStatus ? RDR_POP_NO_GETSTATUS : 0),
 870                                                      &pCurrentEntry, &dwMaxEntryLength);
 871                     cm_ReleaseSCache(scp);
 872                 } else {
 873                     code = RDR_PopulateCurrentEntryNoScp( pCurrentEntry, dwMaxEntryLength,
 874                                                           dscp, &entryp->fid, userp, &req,
 875                                                           entryp->name,
 876                                                           cm_Is8Dot3(entryp->name) ? NULL : entryp->shortName,
 877                                                           (bWow64 ? RDR_POP_WOW64 : 0),
 878                                                           &pCurrentEntry, &dwMaxEntryLength);
 879                 }
 880                 if (stopnow)
 881                     goto outofspace;
 882                 goto getnextentry;
 883             } else {
 884                 osi_Log2(afsd_logp, "RDR_EnumerateDirectory cm_GetSCache failure scp=0x%p code=0x%x",
 885                           scp, code);
 886                 if (stopnow)
 887                     goto outofspace;
 888                 goto getnextentry;
 889             }
 890         }
 891     }
 892
 893     if (enump && ResultBufferLength == 0) {
 894         code = cm_BPlusDirEnumBulkStat(enump);
 895         if (code) {
 896             osi_Log1(afsd_logp, "RDR_EnumerateDirectory cm_BPlusDirEnumBulkStat failure code=0x%x",
 897                       code);
 898         }
 899     }
 900   outofspace:
 901
 902     if (code || enump->next == enump->count || ResultBufferLength == 0) {
 903         cm_BPlusDirFreeEnumeration(enump);
 904         enump = (cm_direnum_t *)(ULONG_PTR)-1;
 905     }
 906
 907     if (code == 0 || code == CM_ERROR_STOPNOW) {
 908         (*ResultCB)->ResultStatus = STATUS_SUCCESS;
 909         osi_Log0(afsd_logp, "RDR_EnumerateDirectory SUCCESS");
 910     } else {
 911         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
 912         (*ResultCB)->ResultStatus = status;
 913         osi_Log2(afsd_logp, "RDR_EnumerateDirectory Failure code=0x%x status=0x%x",
 914                   code, status);
 915     }
 916
 917     if (ResultBufferLength) {
 918         (*ResultCB)->ResultBufferLength = ResultBufferLength - dwMaxEntryLength;
 919
 920         pDirEnumResp->EnumHandle = (ULONG_PTR) enump;
 921     }
 922
 923     if (dscp)
 924         cm_ReleaseSCache(dscp);
 925
 926     return;
 927 }
 928
 929 void
 930 RDR_EvaluateNodeByName( IN cm_user_t *userp,
 931                         IN AFSFileID ParentID,
 932                         IN WCHAR   *FileNameCounted,
 933                         IN DWORD    FileNameLength,
 934                         IN BOOL     CaseSensitive,
 935                         IN BOOL     bWow64,
 936                         IN BOOL     bHoldFid,
 937                         IN BOOL     bNoFollow,
 938                         IN DWORD    ResultBufferLength,
 939                         IN OUT AFSCommResult **ResultCB)
 940 {
 941     AFSDirEnumEntry * pCurrentEntry;
 942     size_t size = sizeof(AFSCommResult) + ResultBufferLength - 1;
 943     afs_uint32  code = 0;
 944     cm_scache_t * scp = NULL;
 945     cm_scache_t * dscp = NULL;
 946     cm_req_t      req;
 947     cm_fid_t      parentFid;
 948     DWORD         status;
 949     DWORD         dwRemaining;
 950     WCHAR       * wszName = NULL;
 951     size_t        cbName;
 952     BOOL          bVol = FALSE;
 953     wchar_t       FileName[260];
 954
 955     StringCchCopyNW(FileName, 260, FileNameCounted, FileNameLength / sizeof(WCHAR));
 956
 957     RDR_InitReq(&req);
 958     if ( bWow64 )
 959         req.flags |= CM_REQ_WOW64;
 960
 961     osi_Log4(afsd_logp, "RDR_EvaluateNodeByName parent FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
 962              ParentID.Cell, ParentID.Volume, ParentID.Vnode, ParentID.Unique);
 963
 964     /* Allocate enough room to add a volume prefix if necessary */
 965     cbName = FileNameLength + (CM_PREFIX_VOL_CCH + 1) * sizeof(WCHAR);
 966     wszName = malloc(cbName);
 967     if (!wszName) {
 968         osi_Log0(afsd_logp, "RDR_EvaluateNodeByName Out of Memory");
 969         return;
 970     }
 971     StringCbCopyNW(wszName, cbName, FileName, FileNameLength);
 972     osi_Log1(afsd_logp, "... name=%S", osi_LogSaveStringW(afsd_logp, wszName));
 973
 974     *ResultCB = (AFSCommResult *)malloc(size);
 975     if (!(*ResultCB)) {
 976         osi_Log0(afsd_logp, "RDR_EvaluateNodeByName Out of Memory");
 977         free(wszName);
 978         return;
 979     }
 980
 981     memset(*ResultCB, 0, size);
 982     (*ResultCB)->ResultBufferLength = ResultBufferLength;
 983     if (ResultBufferLength)
 984         pCurrentEntry = (AFSDirEnumEntry *)&(*ResultCB)->ResultData;
 985
 986     if (ParentID.Cell != 0) {
 987         parentFid.cell   = ParentID.Cell;
 988         parentFid.volume = ParentID.Volume;
 989         parentFid.vnode  = ParentID.Vnode;
 990         parentFid.unique = ParentID.Unique;
 991         parentFid.hash   = ParentID.Hash;
 992
 993         code = cm_GetSCache(&parentFid, &dscp, userp, &req);
 994         if (code) {
 995             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
 996             (*ResultCB)->ResultStatus = status;
 997             osi_Log2(afsd_logp, "RDR_EvaluateNodeByName cm_GetSCache parentFID failure code=0x%x status=0x%x",
 998                       code, status);
 999             free(wszName);
1000             return;
1001         }
1002     } else {
1003         (*ResultCB)->ResultStatus = STATUS_OBJECT_NAME_INVALID;
1004         osi_Log0(afsd_logp, "RDR_EvaluateNodeByName Object Name Invalid - Cell = 0");
1005         return;
1006     }
1007
1008     /* get the directory size */
1009     lock_ObtainWrite(&dscp->rw);
1010     code = cm_SyncOp(dscp, NULL, userp, &req, 0,
1011                      CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1012     if (code) {
1013         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1014         (*ResultCB)->ResultStatus = status;
1015         lock_ReleaseWrite(&dscp->rw);
1016         cm_ReleaseSCache(dscp);
1017         osi_Log3(afsd_logp, "RDR_EvaluateNodeByName cm_SyncOp failure dscp=0x%p code=0x%x status=0x%x",
1018                  dscp, code, status);
1019         free(wszName);
1020         return;
1021     }
1022     cm_SyncOpDone(dscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1023     lock_ReleaseWrite(&dscp->rw);
1024
1025     if (dscp->fileType != CM_SCACHETYPE_DIRECTORY) {
1026         (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
1027         cm_ReleaseSCache(dscp);
1028         osi_Log1(afsd_logp, "RDR_EvaluateNodeByName Not a Directory dscp=0x%p",
1029                  dscp);
1030         free(wszName);
1031         return;
1032     }
1033
1034     code = cm_Lookup(dscp, wszName, CM_FLAG_CHECKPATH, userp, &req, &scp);
1035
1036     if ((code == CM_ERROR_NOSUCHPATH || code == CM_ERROR_NOSUCHFILE || code == CM_ERROR_BPLUS_NOMATCH) &&
1037          (wcschr(wszName, '%') != NULL || wcschr(wszName, '#') != NULL)) {
1038         /*
1039          * A volume reference:  <cell>{%,#}<volume> -> @vol:<cell>{%,#}<volume>
1040          */
1041         StringCchCopyNW(wszName, cbName, _C(CM_PREFIX_VOL), CM_PREFIX_VOL_CCH);
1042         StringCbCatNW(wszName, cbName, FileName, FileNameLength);
1043         cm_strlwr_utf16(wszName);
1044         bVol = TRUE;
1045
1046         code = cm_EvaluateVolumeReference(wszName, CM_FLAG_CHECKPATH, userp, &req, &scp);
1047     }
1048
1049     if (code == 0 && scp) {
1050         wchar_t shortName[13]=L"";
1051
1052         if (bVol) {
1053             cm_Gen8Dot3VolNameW(scp->fid.cell, scp->fid.volume, shortName, NULL);
1054         } else if (!cm_Is8Dot3(wszName)) {
1055             cm_dirFid_t dfid;
1056
1057             dfid.vnode = htonl(scp->fid.vnode);
1058             dfid.unique = htonl(scp->fid.unique);
1059
1060             cm_Gen8Dot3NameIntW(FileName, &dfid, shortName, NULL);
1061         } else {
1062             shortName[0] = '\0';
1063         }
1064
1065         code = RDR_PopulateCurrentEntry(pCurrentEntry, ResultBufferLength,
1066                                         dscp, scp, userp, &req,
1067                                         FileName, shortName,
1068                                         (bWow64 ? RDR_POP_WOW64 : 0) |
1069                                         (bNoFollow ? 0 : (RDR_POP_FOLLOW_MOUNTPOINTS | RDR_POP_EVALUATE_SYMLINKS)),
1070                                         NULL, &dwRemaining);
1071         if (bHoldFid)
1072             RDR_FlagScpInUse( scp, FALSE );
1073         cm_ReleaseSCache(scp);
1074
1075         if (code) {
1076             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1077             (*ResultCB)->ResultStatus = status;
1078             osi_Log2(afsd_logp, "RDR_EvaluateNodeByName FAILURE code=0x%x status=0x%x",
1079                       code, status);
1080         } else {
1081             (*ResultCB)->ResultStatus = STATUS_SUCCESS;
1082             (*ResultCB)->ResultBufferLength = ResultBufferLength - dwRemaining;
1083             osi_Log0(afsd_logp, "RDR_EvaluateNodeByName SUCCESS");
1084         }
1085     } else if (code) {
1086         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1087         (*ResultCB)->ResultStatus = status;
1088         osi_Log2(afsd_logp, "RDR_EvaluateNodeByName FAILURE code=0x%x status=0x%x",
1089                  code, status);
1090     } else {
1091         (*ResultCB)->ResultStatus = STATUS_NO_SUCH_FILE;
1092         osi_Log0(afsd_logp, "RDR_EvaluateNodeByName No Such File");
1093     }
1094     cm_ReleaseSCache(dscp);
1095     free(wszName);
1096
1097     return;
1098 }
1099
1100 void
1101 RDR_EvaluateNodeByID( IN cm_user_t *userp,
1102                       IN AFSFileID ParentID,            /* not used */
1103                       IN AFSFileID SourceID,
1104                       IN BOOL      bWow64,
1105                       IN BOOL      bNoFollow,
1106                       IN BOOL      bHoldFid,
1107                       IN DWORD     ResultBufferLength,
1108                       IN OUT AFSCommResult **ResultCB)
1109 {
1110     AFSDirEnumEntry * pCurrentEntry;
1111     size_t size = sizeof(AFSCommResult) + ResultBufferLength - 1;
1112     afs_uint32  code = 0;
1113     cm_scache_t * scp = NULL;
1114     cm_scache_t * dscp = NULL;
1115     cm_req_t      req;
1116     cm_fid_t      Fid;
1117     cm_fid_t      parentFid;
1118     DWORD         status;
1119     DWORD         dwRemaining;
1120
1121     osi_Log4(afsd_logp, "RDR_EvaluateNodeByID source FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
1122               SourceID.Cell, SourceID.Volume, SourceID.Vnode, SourceID.Unique);
1123     osi_Log4(afsd_logp, "... parent FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
1124               ParentID.Cell, ParentID.Volume, ParentID.Vnode, ParentID.Unique);
1125
1126     *ResultCB = (AFSCommResult *)malloc(size);
1127     if (!(*ResultCB)) {
1128         osi_Log0(afsd_logp, "RDR_EvaluateNodeByID Out of Memory");
1129         return;
1130     }
1131
1132     memset(*ResultCB, 0, size);
1133     (*ResultCB)->ResultBufferLength = ResultBufferLength;
1134     dwRemaining = ResultBufferLength;
1135     if (ResultBufferLength)
1136         pCurrentEntry = (AFSDirEnumEntry *)&(*ResultCB)->ResultData;
1137
1138     RDR_InitReq(&req);
1139     if ( bWow64 )
1140         req.flags |= CM_REQ_WOW64;
1141
1142     if (SourceID.Cell != 0) {
1143         Fid.cell   = SourceID.Cell;
1144         Fid.volume = SourceID.Volume;
1145         Fid.vnode  = SourceID.Vnode;
1146         Fid.unique = SourceID.Unique;
1147         Fid.hash   = SourceID.Hash;
1148
1149         code = cm_GetSCache(&Fid, &scp, userp, &req);
1150         if (code) {
1151             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1152             (*ResultCB)->ResultStatus = status;
1153             osi_Log2(afsd_logp, "RDR_EvaluateNodeByID cm_GetSCache SourceFID failure code=0x%x status=0x%x",
1154                       code, status);
1155             return;
1156         }
1157     } else {
1158         (*ResultCB)->ResultStatus = STATUS_OBJECT_NAME_INVALID;
1159         osi_Log0(afsd_logp, "RDR_EvaluateNodeByID Object Name Invalid - Cell = 0");
1160         return;
1161     }
1162
1163     if (ParentID.Cell != 0) {
1164         cm_SetFid(&parentFid, ParentID.Cell, ParentID.Volume, ParentID.Vnode, ParentID.Unique);
1165         code = cm_GetSCache(&parentFid, &dscp, userp, &req);
1166         if (code) {
1167             cm_ReleaseSCache(scp);
1168             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1169             (*ResultCB)->ResultStatus = status;
1170             osi_Log2(afsd_logp, "RDR_EvaluateNodeByID cm_GetSCache parentFID failure code=0x%x status=0x%x",
1171                       code, status);
1172             return;
1173         }
1174     } else if (SourceID.Vnode == 1) {
1175         dscp = scp;
1176         cm_HoldSCache(dscp);
1177     } else if (scp->parentVnode) {
1178         cm_SetFid(&parentFid, SourceID.Cell, SourceID.Volume, scp->parentVnode, scp->parentUnique);
1179         code = cm_GetSCache(&parentFid, &dscp, userp, &req);
1180         if (code) {
1181             cm_ReleaseSCache(scp);
1182             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1183             (*ResultCB)->ResultStatus = status;
1184             osi_Log2(afsd_logp, "RDR_EvaluateNodeByID cm_GetSCache parentFID failure code=0x%x status=0x%x",
1185                       code, status);
1186             return;
1187         }
1188     } else {
1189         (*ResultCB)->ResultStatus = STATUS_OBJECT_PATH_INVALID;
1190         osi_Log0(afsd_logp, "RDR_EvaluateNodeByID Object Path Invalid - Unknown Parent");
1191         return;
1192     }
1193
1194     /* Make sure the directory is current */
1195     lock_ObtainWrite(&dscp->rw);
1196     code = cm_SyncOp(dscp, NULL, userp, &req, 0,
1197                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1198     if (code) {
1199         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1200         (*ResultCB)->ResultStatus = status;
1201         lock_ReleaseWrite(&dscp->rw);
1202         cm_ReleaseSCache(dscp);
1203         cm_ReleaseSCache(scp);
1204         osi_Log3(afsd_logp, "RDR_EvaluateNodeByID cm_SyncOp failure dscp=0x%p code=0x%x status=0x%x",
1205                  dscp, code, status);
1206         return;
1207     }
1208
1209     cm_SyncOpDone(dscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1210     lock_ReleaseWrite(&dscp->rw);
1211
1212     if (dscp->fileType != CM_SCACHETYPE_DIRECTORY) {
1213         (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
1214         cm_ReleaseSCache(dscp);
1215         cm_ReleaseSCache(scp);
1216         osi_Log1(afsd_logp, "RDR_EvaluateNodeByID Not a Directory dscp=0x%p", dscp);
1217         return;
1218     }
1219
1220     code = RDR_PopulateCurrentEntry(pCurrentEntry, ResultBufferLength,
1221                                     dscp, scp, userp, &req, NULL, NULL,
1222                                     (bWow64 ? RDR_POP_WOW64 : 0) |
1223                                     (bNoFollow ? 0 : (RDR_POP_FOLLOW_MOUNTPOINTS | RDR_POP_EVALUATE_SYMLINKS)),
1224                                     NULL, &dwRemaining);
1225
1226     if (bHoldFid)
1227         RDR_FlagScpInUse( scp, FALSE );
1228     cm_ReleaseSCache(scp);
1229     cm_ReleaseSCache(dscp);
1230
1231     if (code) {
1232         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1233         (*ResultCB)->ResultStatus = status;
1234         osi_Log2(afsd_logp, "RDR_EvaluateNodeByID FAILURE code=0x%x status=0x%x",
1235                  code, status);
1236     } else {
1237         (*ResultCB)->ResultStatus = STATUS_SUCCESS;
1238         (*ResultCB)->ResultBufferLength = ResultBufferLength - dwRemaining;
1239         osi_Log0(afsd_logp, "RDR_EvaluateNodeByID SUCCESS");
1240     }
1241     return;
1242 }
1243
1244 void
1245 RDR_CreateFileEntry( IN cm_user_t *userp,
1246                      IN WCHAR *FileNameCounted,
1247                      IN DWORD FileNameLength,
1248                      IN AFSFileCreateCB *CreateCB,
1249                      IN BOOL bWow64,
1250                      IN BOOL bHoldFid,
1251                      IN DWORD ResultBufferLength,
1252                      IN OUT AFSCommResult **ResultCB)
1253 {
1254     AFSFileCreateResultCB *pResultCB = NULL;
1255     size_t size = sizeof(AFSCommResult) + ResultBufferLength - 1;
1256     cm_fid_t            parentFid;
1257     afs_uint32          code;
1258     cm_scache_t *       dscp = NULL;
1259     afs_uint32          flags = 0;
1260     cm_attr_t           setAttr;
1261     cm_scache_t *       scp = NULL;
1262     cm_req_t            req;
1263     DWORD               status;
1264     wchar_t             FileName[260];
1265
1266     StringCchCopyNW(FileName, 260, FileNameCounted, FileNameLength / sizeof(WCHAR));
1267
1268     osi_Log4(afsd_logp, "RDR_CreateFileEntry parent FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
1269               CreateCB->ParentId.Cell, CreateCB->ParentId.Volume,
1270               CreateCB->ParentId.Vnode, CreateCB->ParentId.Unique);
1271     osi_Log1(afsd_logp, "... name=%S", osi_LogSaveStringW(afsd_logp, FileName));
1272
1273     RDR_InitReq(&req);
1274     if ( bWow64 )
1275         req.flags |= CM_REQ_WOW64;
1276     memset(&setAttr, 0, sizeof(cm_attr_t));
1277
1278     *ResultCB = (AFSCommResult *)malloc(size);
1279     if (!(*ResultCB)) {
1280         osi_Log0(afsd_logp, "RDR_CreateFileEntry out of memory");
1281         return;
1282     }
1283
1284     memset( *ResultCB,
1285             '\0',
1286             size);
1287
1288     parentFid.cell   = CreateCB->ParentId.Cell;
1289     parentFid.volume = CreateCB->ParentId.Volume;
1290     parentFid.vnode  = CreateCB->ParentId.Vnode;
1291     parentFid.unique = CreateCB->ParentId.Unique;
1292     parentFid.hash   = CreateCB->ParentId.Hash;
1293
1294     code = cm_GetSCache(&parentFid, &dscp, userp, &req);
1295     if (code) {
1296         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1297         (*ResultCB)->ResultStatus = status;
1298         osi_Log2(afsd_logp, "RDR_CreateFileEntry cm_GetSCache ParentFID failure code=0x%x status=0x%x",
1299                   code, status);
1300         return;
1301     }
1302
1303     lock_ObtainWrite(&dscp->rw);
1304     code = cm_SyncOp(dscp, NULL, userp, &req, 0,
1305                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1306     if (code) {
1307         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1308         (*ResultCB)->ResultStatus = status;
1309         lock_ReleaseWrite(&dscp->rw);
1310         cm_ReleaseSCache(dscp);
1311         osi_Log3(afsd_logp, "RDR_CreateFileEntry cm_SyncOp failure (1) dscp=0x%p code=0x%x status=0x%x",
1312                  dscp, code, status);
1313         return;
1314     }
1315
1316     cm_SyncOpDone(dscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1317     lock_ReleaseWrite(&dscp->rw);
1318
1319     if (dscp->fileType != CM_SCACHETYPE_DIRECTORY) {
1320         (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
1321         cm_ReleaseSCache(dscp);
1322         osi_Log1(afsd_logp, "RDR_CreateFileEntry Not a Directory dscp=0x%p",
1323                  dscp);
1324         return;
1325     }
1326
1327     /* Use current time */
1328     setAttr.mask = CM_ATTRMASK_CLIENTMODTIME;
1329     setAttr.clientModTime = time(NULL);
1330
1331     if (CreateCB->FileAttributes & FILE_ATTRIBUTE_DIRECTORY) {
1332         if (smb_unixModeDefaultDir) {
1333             setAttr.mask |= CM_ATTRMASK_UNIXMODEBITS;
1334             setAttr.unixModeBits = smb_unixModeDefaultDir;
1335             if (CreateCB->FileAttributes & FILE_ATTRIBUTE_READONLY)
1336                 setAttr.unixModeBits &= ~0222;          /* disable the write bits */
1337         }
1338
1339         code = cm_MakeDir(dscp, FileName, flags, &setAttr, userp, &req, &scp);
1340     } else {
1341         if (smb_unixModeDefaultFile) {
1342             setAttr.mask |= CM_ATTRMASK_UNIXMODEBITS;
1343             setAttr.unixModeBits = smb_unixModeDefaultFile;
1344             if (CreateCB->FileAttributes & FILE_ATTRIBUTE_READONLY)
1345                 setAttr.unixModeBits &= ~0222;          /* disable the write bits */
1346         }
1347
1348         setAttr.mask |= CM_ATTRMASK_LENGTH;
1349         setAttr.length.LowPart = CreateCB->AllocationSize.LowPart;
1350         setAttr.length.HighPart = CreateCB->AllocationSize.HighPart;
1351         code = cm_Create(dscp, FileName, flags, &setAttr, &scp, userp, &req);
1352     }
1353     if (code == 0) {
1354         wchar_t shortName[13]=L"";
1355         cm_dirFid_t dfid;
1356         DWORD dwRemaining;
1357
1358         (*ResultCB)->ResultStatus = 0;  // We will be able to fit all the data in here
1359
1360         (*ResultCB)->ResultBufferLength = sizeof( AFSFileCreateResultCB);
1361
1362         pResultCB = (AFSFileCreateResultCB *)(*ResultCB)->ResultData;
1363
1364         dwRemaining = ResultBufferLength - sizeof( AFSFileCreateResultCB) + sizeof( AFSDirEnumEntry);
1365
1366         lock_ObtainWrite(&dscp->rw);
1367         code = cm_SyncOp(dscp, NULL, userp, &req, 0,
1368                           CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1369         if (code) {
1370             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1371             (*ResultCB)->ResultStatus = status;
1372             lock_ReleaseWrite(&dscp->rw);
1373             cm_ReleaseSCache(dscp);
1374             cm_ReleaseSCache(scp);
1375             osi_Log3(afsd_logp, "RDR_CreateFileEntry cm_SyncOp failure (2) dscp=0x%p code=0x%x status=0x%x",
1376                       dscp, code, status);
1377             return;
1378         }
1379
1380         pResultCB->ParentDataVersion.QuadPart = dscp->dataVersion;
1381
1382         cm_SyncOpDone(dscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1383         lock_ReleaseWrite(&dscp->rw);
1384
1385         dfid.vnode = htonl(scp->fid.vnode);
1386         dfid.unique = htonl(scp->fid.unique);
1387
1388         if (!cm_Is8Dot3(FileName))
1389             cm_Gen8Dot3NameIntW(FileName, &dfid, shortName, NULL);
1390         else
1391             shortName[0] = '\0';
1392
1393         code = RDR_PopulateCurrentEntry(&pResultCB->DirEnum, dwRemaining,
1394                                         dscp, scp, userp, &req, FileName, shortName,
1395                                         RDR_POP_FOLLOW_MOUNTPOINTS | RDR_POP_EVALUATE_SYMLINKS,
1396                                         NULL, &dwRemaining);
1397
1398         if (bHoldFid)
1399             RDR_FlagScpInUse( scp, FALSE );
1400         cm_ReleaseSCache(scp);
1401         (*ResultCB)->ResultBufferLength = ResultBufferLength - dwRemaining;
1402         osi_Log0(afsd_logp, "RDR_CreateFileEntry SUCCESS");
1403     } else {
1404         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1405         (*ResultCB)->ResultStatus = status;
1406         (*ResultCB)->ResultBufferLength = 0;
1407         osi_Log2(afsd_logp, "RDR_CreateFileEntry FAILURE code=0x%x status=0x%x",
1408                   code, status);
1409     }
1410
1411     cm_ReleaseSCache(dscp);
1412
1413     return;
1414 }
1415
1416 void
1417 RDR_UpdateFileEntry( IN cm_user_t *userp,
1418                      IN AFSFileID FileId,
1419                      IN AFSFileUpdateCB *UpdateCB,
1420                      IN BOOL bWow64,
1421                      IN DWORD ResultBufferLength,
1422                      IN OUT AFSCommResult **ResultCB)
1423 {
1424     AFSFileUpdateResultCB *pResultCB = NULL;
1425     size_t size = sizeof(AFSCommResult) + ResultBufferLength - 1;
1426     cm_fid_t            Fid;
1427     cm_fid_t            parentFid;
1428     afs_uint32          code;
1429     afs_uint32          flags = 0;
1430     cm_attr_t           setAttr;
1431     cm_scache_t *       scp = NULL;
1432     cm_scache_t *       dscp = NULL;
1433     cm_req_t            req;
1434     time_t              clientModTime;
1435     FILETIME            ft;
1436     DWORD               status;
1437     BOOL                bScpLocked = FALSE;
1438
1439     RDR_InitReq(&req);
1440     if ( bWow64 )
1441         req.flags |= CM_REQ_WOW64;
1442     memset(&setAttr, 0, sizeof(cm_attr_t));
1443
1444     osi_Log4(afsd_logp, "RDR_UpdateFileEntry parent FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
1445               UpdateCB->ParentId.Cell, UpdateCB->ParentId.Volume,
1446               UpdateCB->ParentId.Vnode, UpdateCB->ParentId.Unique);
1447     osi_Log4(afsd_logp, "... object FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
1448               FileId.Cell, FileId.Volume,
1449               FileId.Vnode, FileId.Unique);
1450
1451     *ResultCB = (AFSCommResult *)malloc( size);
1452     if (!(*ResultCB)) {
1453         osi_Log0(afsd_logp, "RDR_UpdateFileEntry Out of Memory");
1454         return;
1455     }
1456
1457     memset( *ResultCB,
1458             '\0',
1459             size);
1460
1461     parentFid.cell   = UpdateCB->ParentId.Cell;
1462     parentFid.volume = UpdateCB->ParentId.Volume;
1463     parentFid.vnode  = UpdateCB->ParentId.Vnode;
1464     parentFid.unique = UpdateCB->ParentId.Unique;
1465     parentFid.hash   = UpdateCB->ParentId.Hash;
1466
1467     code = cm_GetSCache(&parentFid, &dscp, userp, &req);
1468     if (code) {
1469         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1470         (*ResultCB)->ResultStatus = status;
1471         osi_Log2(afsd_logp, "RDR_UpdateFileEntry cm_GetSCache ParentFID failure code=0x%x status=0x%x",
1472                   code, status);
1473         return;
1474     }
1475
1476     lock_ObtainWrite(&dscp->rw);
1477     bScpLocked = TRUE;
1478     code = cm_SyncOp(dscp, NULL, userp, &req, 0,
1479                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1480     if (code) {
1481         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1482         (*ResultCB)->ResultStatus = status;
1483         lock_ReleaseWrite(&dscp->rw);
1484         cm_ReleaseSCache(dscp);
1485         osi_Log3(afsd_logp, "RDR_UpdateFileEntry cm_SyncOp failure dscp=0x%p code=0x%x status=0x%x",
1486                  dscp, code, status);
1487         return;
1488     }
1489
1490     cm_SyncOpDone(dscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1491     lock_ReleaseWrite(&dscp->rw);
1492     bScpLocked = FALSE;
1493
1494     if (dscp->fileType != CM_SCACHETYPE_DIRECTORY) {
1495         (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
1496         cm_ReleaseSCache(dscp);
1497         osi_Log1(afsd_logp, "RDR_UpdateFileEntry Not a Directory dscp=0x%p",
1498                  dscp);
1499         return;
1500     }
1501
1502     Fid.cell   = FileId.Cell;
1503     Fid.volume = FileId.Volume;
1504     Fid.vnode  = FileId.Vnode;
1505     Fid.unique = FileId.Unique;
1506     Fid.hash   = FileId.Hash;
1507
1508     code = cm_GetSCache(&Fid, &scp, userp, &req);
1509     if (code) {
1510         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1511         (*ResultCB)->ResultStatus = status;
1512         cm_ReleaseSCache(dscp);
1513         osi_Log2(afsd_logp, "RDR_UpdateFileEntry cm_GetSCache object FID failure code=0x%x status=0x%x",
1514                   code, status);
1515         return;
1516     }
1517
1518     lock_ObtainWrite(&scp->rw);
1519     bScpLocked = TRUE;
1520     code = cm_SyncOp(scp, NULL, userp, &req, 0,
1521                       CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_NEEDCALLBACK);
1522     if (code) {
1523         lock_ReleaseWrite(&scp->rw);
1524         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1525         (*ResultCB)->ResultStatus = status;
1526         (*ResultCB)->ResultBufferLength = 0;
1527         cm_ReleaseSCache(dscp);
1528         cm_ReleaseSCache(scp);
1529         osi_Log3(afsd_logp, "RDR_UpdateFileEntry cm_SyncOp failure scp=0x%p code=0x%x status=0x%x",
1530                  scp, code, status);
1531         return;
1532     }
1533     cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1534
1535     if (UpdateCB->ChangeTime.QuadPart) {
1536
1537         if (scp->fileType == CM_SCACHETYPE_FILE) {
1538             /* Do not set length and other attributes at the same time */
1539             if (scp->length.QuadPart != UpdateCB->AllocationSize.QuadPart) {
1540                 osi_Log2(afsd_logp, "RDR_UpdateFileEntry Length Change 0x%x -> 0x%x",
1541                           (afs_uint32)scp->length.QuadPart, (afs_uint32)UpdateCB->AllocationSize.QuadPart);
1542                 setAttr.mask |= CM_ATTRMASK_LENGTH;
1543                 setAttr.length.LowPart = UpdateCB->AllocationSize.LowPart;
1544                 setAttr.length.HighPart = UpdateCB->AllocationSize.HighPart;
1545                 lock_ReleaseWrite(&scp->rw);
1546                 bScpLocked = FALSE;
1547                 code = cm_SetAttr(scp, &setAttr, userp, &req);
1548                 if (code)
1549                     goto on_error;
1550                 setAttr.mask = 0;
1551             }
1552         }
1553
1554         if (!bScpLocked) {
1555             lock_ObtainWrite(&scp->rw);
1556             bScpLocked = TRUE;
1557         }
1558         if ((scp->unixModeBits & 0200) && (UpdateCB->FileAttributes & FILE_ATTRIBUTE_READONLY)) {
1559             setAttr.mask |= CM_ATTRMASK_UNIXMODEBITS;
1560             setAttr.unixModeBits = scp->unixModeBits & ~0222;
1561         } else if (!(scp->unixModeBits & 0200) && !(UpdateCB->FileAttributes & FILE_ATTRIBUTE_READONLY)) {
1562             setAttr.mask |= CM_ATTRMASK_UNIXMODEBITS;
1563             setAttr.unixModeBits = scp->unixModeBits | 0222;
1564         }
1565     }
1566
1567     if (UpdateCB->LastWriteTime.QuadPart) {
1568         ft.dwLowDateTime = UpdateCB->LastWriteTime.LowPart;
1569         ft.dwHighDateTime = UpdateCB->LastWriteTime.HighPart;
1570
1571         cm_UnixTimeFromLargeSearchTime(& clientModTime, &ft);
1572
1573         if (!bScpLocked) {
1574             lock_ObtainWrite(&scp->rw);
1575             bScpLocked = TRUE;
1576         }
1577         if (scp->clientModTime != clientModTime) {
1578             setAttr.mask |= CM_ATTRMASK_CLIENTMODTIME;
1579             setAttr.clientModTime = clientModTime;
1580         }
1581
1582         /* call setattr */
1583         if (setAttr.mask) {
1584             lock_ReleaseWrite(&scp->rw);
1585             bScpLocked = FALSE;
1586             code = cm_SetAttr(scp, &setAttr, userp, &req);
1587         } else
1588             code = 0;
1589     }
1590
1591   on_error:
1592     if (bScpLocked) {
1593         lock_ReleaseWrite(&scp->rw);
1594     }
1595
1596     if (code == 0) {
1597         DWORD dwRemaining = ResultBufferLength - sizeof( AFSFileUpdateResultCB) + sizeof( AFSDirEnumEntry);
1598
1599         pResultCB = (AFSFileUpdateResultCB *)(*ResultCB)->ResultData;
1600
1601         code = RDR_PopulateCurrentEntry(&pResultCB->DirEnum, dwRemaining,
1602                                         dscp, scp, userp, &req, NULL, NULL,
1603                                         RDR_POP_FOLLOW_MOUNTPOINTS | RDR_POP_EVALUATE_SYMLINKS,
1604                                         NULL, &dwRemaining);
1605         (*ResultCB)->ResultBufferLength = ResultBufferLength - dwRemaining;
1606         osi_Log0(afsd_logp, "RDR_UpdateFileEntry SUCCESS");
1607     } else {
1608         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1609         (*ResultCB)->ResultStatus = status;
1610         (*ResultCB)->ResultBufferLength = 0;
1611         osi_Log2(afsd_logp, "RDR_UpdateFileEntry FAILURE code=0x%x status=0x%x",
1612                   code, status);
1613     }
1614     cm_ReleaseSCache(scp);
1615     cm_ReleaseSCache(dscp);
1616
1617     return;
1618 }
1619
1620 void
1621 RDR_CleanupFileEntry( IN cm_user_t *userp,
1622                       IN AFSFileID FileId,
1623                       IN WCHAR *FileNameCounted,
1624                       IN DWORD FileNameLength,
1625                       IN AFSFileCleanupCB *CleanupCB,
1626                       IN BOOL bWow64,
1627                       IN BOOL bLastHandle,
1628                       IN BOOL bDeleteFile,
1629                       IN BOOL bUnlockFile,
1630                       IN DWORD ResultBufferLength,
1631                       IN OUT AFSCommResult **ResultCB)
1632 {
1633     size_t size = sizeof(AFSCommResult);
1634     cm_fid_t            Fid;
1635     cm_fid_t            parentFid;
1636     afs_uint32          code = 0;
1637     afs_uint32          flags = 0;
1638     cm_attr_t           setAttr;
1639     cm_scache_t *       scp = NULL;
1640     cm_scache_t *       dscp = NULL;
1641     cm_req_t            req;
1642     time_t              clientModTime;
1643     FILETIME            ft;
1644     DWORD               status;
1645     BOOL                bScpLocked = FALSE;
1646     BOOL                bDscpLocked = FALSE;
1647     BOOL                bFlushFile = FALSE;
1648     cm_key_t            key;
1649
1650     RDR_InitReq(&req);
1651     if ( bWow64 )
1652         req.flags |= CM_REQ_WOW64;
1653     memset(&setAttr, 0, sizeof(cm_attr_t));
1654
1655     osi_Log4(afsd_logp, "RDR_CleanupFileEntry parent FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
1656               CleanupCB->ParentId.Cell, CleanupCB->ParentId.Volume,
1657               CleanupCB->ParentId.Vnode, CleanupCB->ParentId.Unique);
1658     osi_Log4(afsd_logp, "... object FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
1659               FileId.Cell, FileId.Volume,
1660               FileId.Vnode, FileId.Unique);
1661
1662     *ResultCB = (AFSCommResult *)malloc( size);
1663     if (!(*ResultCB)) {
1664         osi_Log0(afsd_logp, "RDR_CleanupFileEntry Out of Memory");
1665         return;
1666     }
1667
1668     memset( *ResultCB,
1669             '\0',
1670             size);
1671
1672     parentFid.cell   = CleanupCB->ParentId.Cell;
1673     parentFid.volume = CleanupCB->ParentId.Volume;
1674     parentFid.vnode  = CleanupCB->ParentId.Vnode;
1675     parentFid.unique = CleanupCB->ParentId.Unique;
1676     parentFid.hash   = CleanupCB->ParentId.Hash;
1677
1678     if (parentFid.cell) {
1679         code = cm_GetSCache(&parentFid, &dscp, userp, &req);
1680         if (code) {
1681             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1682             (*ResultCB)->ResultStatus = status;
1683             osi_Log2(afsd_logp, "RDR_CleanupFileEntry cm_GetSCache ParentFID failure code=0x%x status=0x%x",
1684                      code, status);
1685             return;
1686         }
1687
1688         lock_ObtainWrite(&dscp->rw);
1689         bDscpLocked = TRUE;
1690         code = cm_SyncOp(dscp, NULL, userp, &req, 0,
1691                          CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1692         if (code) {
1693             osi_Log2(afsd_logp, "RDR_CleanupFileEntry cm_SyncOp failure dscp=0x%p code=0x%x",
1694                     dscp, code);
1695             if (code)
1696                 goto on_error;
1697         }
1698
1699         cm_SyncOpDone(dscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1700         lock_ReleaseWrite(&dscp->rw);
1701         bDscpLocked = FALSE;
1702
1703         if (dscp->fileType != CM_SCACHETYPE_DIRECTORY) {
1704             (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
1705             cm_ReleaseSCache(dscp);
1706             osi_Log1(afsd_logp, "RDR_CleanupFileEntry Not a Directory dscp=0x%p",
1707                      dscp);
1708             if (code)
1709                 goto on_error;
1710         }
1711     }
1712
1713     Fid.cell   = FileId.Cell;
1714     Fid.volume = FileId.Volume;
1715     Fid.vnode  = FileId.Vnode;
1716     Fid.unique = FileId.Unique;
1717     Fid.hash   = FileId.Hash;
1718
1719     code = cm_GetSCache(&Fid, &scp, userp, &req);
1720     if (code) {
1721         osi_Log1(afsd_logp, "RDR_CleanupFileEntry cm_GetSCache object FID failure code=0x%x",
1722                  code);
1723         goto on_error;
1724     }
1725
1726     lock_ObtainWrite(&scp->rw);
1727     bScpLocked = TRUE;
1728     code = cm_SyncOp(scp, NULL, userp, &req, 0,
1729                       CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_NEEDCALLBACK);
1730     if (code) {
1731         osi_Log2(afsd_logp, "RDR_CleanupFileEntry cm_SyncOp failure scp=0x%p code=0x%x",
1732                  scp, code);
1733         goto on_error;
1734     }
1735     cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1736
1737     if ((bLastHandle || bFlushFile) &&
1738         scp->redirBufCount > 0)
1739     {
1740         LARGE_INTEGER heldExtents;
1741         AFSFileExtentCB extentList[1024];
1742         DWORD extentCount = 0;
1743         cm_buf_t *srbp;
1744         time_t now;
1745
1746         time(&now);
1747         heldExtents.QuadPart = 0;
1748
1749         for ( srbp = redirq_to_cm_buf_t(scp->redirQueueT);
1750               srbp;
1751               srbp = redirq_to_cm_buf_t(osi_QPrev(&srbp->redirq)))
1752         {
1753             extentList[extentCount].Flags = 0;
1754             extentList[extentCount].Length = cm_data.blockSize;
1755             extentList[extentCount].FileOffset.QuadPart = srbp->offset.QuadPart;
1756             extentList[extentCount].CacheOffset.QuadPart = srbp->datap - RDR_extentBaseAddress;
1757             lock_ObtainWrite(&buf_globalLock);
1758             srbp->redirReleaseRequested = now;
1759             lock_ReleaseWrite(&buf_globalLock);
1760             extentCount++;
1761
1762             if (extentCount == 1024) {
1763                 lock_ReleaseWrite(&scp->rw);
1764                 code = RDR_RequestExtentRelease(&scp->fid, heldExtents, extentCount, extentList);
1765                 if (code) {
1766                     if (code == CM_ERROR_RETRY) {
1767                         /*
1768                          * The redirector either is not holding the extents or cannot let them
1769                          * go because they are otherwise in use.  At the moment, do nothing.
1770                          */
1771                     } else
1772                         break;
1773                 }
1774                 extentCount = 0;
1775                 bFlushFile = TRUE;
1776                 lock_ObtainWrite(&scp->rw);
1777             }
1778         }
1779
1780         if (code == 0 && extentCount > 0) {
1781             if (bScpLocked) {
1782                 lock_ReleaseWrite(&scp->rw);
1783                 bScpLocked = FALSE;
1784             }
1785             code = RDR_RequestExtentRelease(&scp->fid, heldExtents, extentCount, extentList);
1786             bFlushFile = TRUE;
1787         }
1788     }
1789
1790     /* No longer in use by redirector */
1791     if (!bScpLocked) {
1792         lock_ObtainWrite(&scp->rw);
1793         bScpLocked = TRUE;
1794     }
1795
1796     if (bLastHandle) {
1797         lock_AssertWrite(&scp->rw);
1798         scp->flags &= ~CM_SCACHEFLAG_RDR_IN_USE;
1799     }
1800
1801     if (bLastHandle || bFlushFile) {
1802         if (bScpLocked) {
1803             lock_ReleaseWrite(&scp->rw);
1804             bScpLocked = FALSE;
1805         }
1806         code = cm_FSync(scp, userp, &req, bScpLocked);
1807         if (bLastHandle && code)
1808             goto on_error;
1809     }
1810
1811     if (bUnlockFile || bDeleteFile) {
1812         if (!bScpLocked) {
1813             lock_ObtainWrite(&scp->rw);
1814             bScpLocked = TRUE;
1815         }
1816         code = cm_SyncOp(scp, NULL, userp, &req, 0,
1817                           CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
1818         if (code) {
1819             osi_Log2(afsd_logp, "RDR_CleanupFileEntry cm_SyncOp (2) failure scp=0x%p code=0x%x",
1820                      scp, code);
1821             goto on_error;
1822         }
1823
1824         key = cm_GenerateKey(CM_SESSION_IFS, CleanupCB->ProcessId, 0);
1825
1826         /* the scp is now locked and current */
1827         code = cm_UnlockByKey(scp, key,
1828                               bDeleteFile ? CM_UNLOCK_FLAG_BY_FID : 0,
1829                               userp, &req);
1830
1831         cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
1832
1833         if (code)
1834             goto on_error;
1835     }
1836
1837     if (CleanupCB->ChangeTime.QuadPart) {
1838
1839         if (scp->fileType == CM_SCACHETYPE_FILE) {
1840             /* Do not set length and other attributes at the same time */
1841             if (scp->length.QuadPart != CleanupCB->AllocationSize.QuadPart) {
1842                 osi_Log2(afsd_logp, "RDR_CleanupFileEntry Length Change 0x%x -> 0x%x",
1843                           (afs_uint32)scp->length.QuadPart, (afs_uint32)CleanupCB->AllocationSize.QuadPart);
1844                 setAttr.mask |= CM_ATTRMASK_LENGTH;
1845                 setAttr.length.LowPart = CleanupCB->AllocationSize.LowPart;
1846                 setAttr.length.HighPart = CleanupCB->AllocationSize.HighPart;
1847
1848                 if (bScpLocked) {
1849                     lock_ReleaseWrite(&scp->rw);
1850                     bScpLocked = FALSE;
1851                 }
1852                 code = cm_SetAttr(scp, &setAttr, userp, &req);
1853                 if (code)
1854                     goto on_error;
1855                 setAttr.mask = 0;
1856             }
1857         }
1858
1859         if (!bScpLocked) {
1860             lock_ObtainWrite(&scp->rw);
1861             bScpLocked = TRUE;
1862         }
1863
1864         if ((scp->unixModeBits & 0200) && (CleanupCB->FileAttributes & FILE_ATTRIBUTE_READONLY)) {
1865             setAttr.mask |= CM_ATTRMASK_UNIXMODEBITS;
1866             setAttr.unixModeBits = scp->unixModeBits & ~0222;
1867         } else if (!(scp->unixModeBits & 0200) && !(CleanupCB->FileAttributes & FILE_ATTRIBUTE_READONLY)) {
1868             setAttr.mask |= CM_ATTRMASK_UNIXMODEBITS;
1869             setAttr.unixModeBits = scp->unixModeBits | 0222;
1870         }
1871     }
1872
1873     if (CleanupCB->LastWriteTime.QuadPart) {
1874         ft.dwLowDateTime = CleanupCB->LastWriteTime.LowPart;
1875         ft.dwHighDateTime = CleanupCB->LastWriteTime.HighPart;
1876
1877         cm_UnixTimeFromLargeSearchTime(&clientModTime, &ft);
1878         if (scp->clientModTime != clientModTime) {
1879             setAttr.mask |= CM_ATTRMASK_CLIENTMODTIME;
1880             setAttr.clientModTime = clientModTime;
1881         }
1882     }
1883
1884     /* call setattr */
1885     if (setAttr.mask) {
1886         lock_ReleaseWrite(&scp->rw);
1887         bScpLocked = FALSE;
1888         code = cm_SetAttr(scp, &setAttr, userp, &req);
1889     } else
1890         code = 0;
1891
1892     /* Now drop the lock enforcing the share access */
1893     if ( CleanupCB->FileAccess != AFS_FILE_ACCESS_NOLOCK) {
1894         unsigned int sLockType;
1895         LARGE_INTEGER LOffset, LLength;
1896
1897         if (CleanupCB->FileAccess == AFS_FILE_ACCESS_SHARED)
1898             sLockType = LOCKING_ANDX_SHARED_LOCK;
1899         else
1900             sLockType = 0;
1901
1902         key = cm_GenerateKey(CM_SESSION_IFS, SMB_FID_QLOCK_PID, CleanupCB->Identifier);
1903
1904         LOffset.HighPart = SMB_FID_QLOCK_HIGH;
1905         LOffset.LowPart = SMB_FID_QLOCK_LOW;
1906         LLength.HighPart = 0;
1907         LLength.LowPart = SMB_FID_QLOCK_LENGTH;
1908
1909         if (!bScpLocked) {
1910             lock_ObtainWrite(&scp->rw);
1911             bScpLocked = TRUE;
1912         }
1913
1914         code = cm_SyncOp(scp, NULL, userp, &req, 0, CM_SCACHESYNC_LOCK);
1915         if (code == 0)
1916         {
1917             code = cm_Unlock(scp, sLockType, LOffset, LLength, key, 0, userp, &req);
1918
1919             cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_LOCK);
1920
1921             if (code == CM_ERROR_RANGE_NOT_LOCKED)
1922             {
1923                 osi_Log3(afsd_logp, "RDR_CleanupFileEntry Range Not Locked -- FileAccess 0x%x ProcessId 0x%x HandleId 0x%x",
1924                          CleanupCB->FileAccess, CleanupCB->ProcessId, CleanupCB->Identifier);
1925
1926             }
1927         }
1928     }
1929
1930   on_error:
1931     if (bDscpLocked)
1932         lock_ReleaseWrite(&dscp->rw);
1933     if (bScpLocked)
1934         lock_ReleaseWrite(&scp->rw);
1935
1936     if (dscp && bDeleteFile) {
1937         WCHAR FileName[260];
1938
1939         StringCchCopyNW(FileName, 260, FileNameCounted, FileNameLength / sizeof(WCHAR));
1940
1941         if (scp->fileType == CM_SCACHETYPE_DIRECTORY)
1942             code = cm_RemoveDir(dscp, NULL, FileName, userp, &req);
1943         else
1944             code = cm_Unlink(dscp, NULL, FileName, userp, &req);
1945     }
1946
1947     if (code == 0) {
1948         (*ResultCB)->ResultStatus = 0;
1949         (*ResultCB)->ResultBufferLength = 0;
1950         osi_Log0(afsd_logp, "RDR_CleanupFileEntry SUCCESS");
1951     } else {
1952         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1953         (*ResultCB)->ResultStatus = status;
1954         (*ResultCB)->ResultBufferLength = 0;
1955         osi_Log2(afsd_logp, "RDR_CleanupFileEntry FAILURE code=0x%x status=0x%x",
1956                   code, status);
1957     }
1958     if (scp)
1959         cm_ReleaseSCache(scp);
1960     if (dscp)
1961         cm_ReleaseSCache(dscp);
1962
1963     return;
1964 }
1965
1966 void
1967 RDR_DeleteFileEntry( IN cm_user_t *userp,
1968                      IN AFSFileID ParentId,
1969                      IN ULONGLONG ProcessId,
1970                      IN WCHAR *FileNameCounted,
1971                      IN DWORD FileNameLength,
1972                      IN BOOL bWow64,
1973                      IN BOOL bCheckOnly,
1974                      IN DWORD ResultBufferLength,
1975                      IN OUT AFSCommResult **ResultCB)
1976 {
1977
1978     AFSFileDeleteResultCB *pResultCB = NULL;
1979     size_t size = sizeof(AFSCommResult) + ResultBufferLength - 1;
1980     cm_fid_t            parentFid;
1981     afs_uint32          code;
1982     cm_scache_t *       dscp = NULL;
1983     cm_scache_t *       scp = NULL;
1984     afs_uint32          flags = 0;
1985     cm_attr_t           setAttr;
1986     cm_req_t            req;
1987     DWORD               status;
1988     wchar_t             FileName[260];
1989     cm_key_t            key;
1990
1991     StringCchCopyNW(FileName, 260, FileNameCounted, FileNameLength / sizeof(WCHAR));
1992
1993     osi_Log4(afsd_logp, "RDR_DeleteFileEntry parent FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
1994               ParentId.Cell,  ParentId.Volume,
1995               ParentId.Vnode, ParentId.Unique);
1996     osi_Log2(afsd_logp, "... name=%S checkOnly=%x",
1997              osi_LogSaveStringW(afsd_logp, FileName),
1998              bCheckOnly);
1999
2000     RDR_InitReq(&req);
2001     if ( bWow64 )
2002         req.flags |= CM_REQ_WOW64;
2003     memset(&setAttr, 0, sizeof(cm_attr_t));
2004
2005     *ResultCB = (AFSCommResult *)malloc( size);
2006     if (!(*ResultCB)) {
2007         osi_Log0(afsd_logp, "RDR_DeleteFileEntry out of memory");
2008         return;
2009     }
2010
2011     memset( *ResultCB,
2012             '\0',
2013             size);
2014
2015     parentFid.cell   = ParentId.Cell;
2016     parentFid.volume = ParentId.Volume;
2017     parentFid.vnode  = ParentId.Vnode;
2018     parentFid.unique = ParentId.Unique;
2019     parentFid.hash   = ParentId.Hash;
2020
2021     code = cm_GetSCache(&parentFid, &dscp, userp, &req);
2022     if (code) {
2023         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2024         (*ResultCB)->ResultStatus = status;
2025         osi_Log2(afsd_logp, "RDR_DeleteFileEntry cm_GetSCache ParentFID failure code=0x%x status=0x%x",
2026                   code, status);
2027         return;
2028     }
2029
2030     lock_ObtainWrite(&dscp->rw);
2031
2032     code = cm_SyncOp(dscp, NULL, userp, &req, 0,
2033                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2034     if (code) {
2035         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2036         (*ResultCB)->ResultStatus = status;
2037         (*ResultCB)->ResultBufferLength = 0;
2038         lock_ReleaseWrite(&dscp->rw);
2039         cm_ReleaseSCache(dscp);
2040         osi_Log3(afsd_logp, "RDR_DeleteFileEntry cm_SyncOp failure dscp=0x%p code=0x%x status=0x%x",
2041                  dscp, code, status);
2042         return;
2043     }
2044
2045     cm_SyncOpDone(dscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2046     lock_ReleaseWrite(&dscp->rw);
2047
2048     if (dscp->fileType != CM_SCACHETYPE_DIRECTORY) {
2049         (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
2050         cm_ReleaseSCache(dscp);
2051         osi_Log1(afsd_logp, "RDR_DeleteFileEntry Not a Directory dscp=0x%p",
2052                  dscp);
2053         return;
2054     }
2055
2056     code = cm_Lookup(dscp, FileName, 0, userp, &req, &scp);
2057     if (code) {
2058         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2059         (*ResultCB)->ResultStatus = status;
2060         (*ResultCB)->ResultBufferLength = 0;
2061         cm_ReleaseSCache(dscp);
2062         osi_Log2(afsd_logp, "RDR_DeleteFileEntry cm_Lookup failure code=0x%x status=0x%x",
2063                  code, status);
2064         return;
2065     }
2066
2067     lock_ObtainWrite(&scp->rw);
2068     code = cm_SyncOp(scp, NULL, userp, &req, PRSFS_DELETE,
2069                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2070     if (code) {
2071         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2072         (*ResultCB)->ResultStatus = status;
2073         (*ResultCB)->ResultBufferLength = 0;
2074         lock_ReleaseWrite(&scp->rw);
2075         cm_ReleaseSCache(scp);
2076         cm_ReleaseSCache(dscp);
2077         osi_Log3(afsd_logp, "RDR_DeleteFileEntry cm_SyncOp failure scp=0x%p code=0x%x status=0x%x",
2078                  scp, code, status);
2079         return;
2080     }
2081
2082     if (!bCheckOnly) {
2083         /* Drop all locks since the file is being deleted */
2084         code = cm_SyncOp(scp, NULL, userp, &req, 0,
2085                          CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
2086         if (code) {
2087             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2088             (*ResultCB)->ResultStatus = status;
2089             (*ResultCB)->ResultBufferLength = 0;
2090             lock_ReleaseWrite(&scp->rw);
2091             cm_ReleaseSCache(scp);
2092             cm_ReleaseSCache(dscp);
2093             osi_Log3(afsd_logp, "RDR_DeleteFileEntry cm_SyncOp Lock failure scp=0x%p code=0x%x status=0x%x",
2094                      scp, code, status);
2095         }
2096
2097         /* the scp is now locked and current */
2098         key = cm_GenerateKey(CM_SESSION_IFS, ProcessId, 0);
2099
2100         code = cm_UnlockByKey(scp, key,
2101                               CM_UNLOCK_FLAG_BY_FID,
2102                               userp, &req);
2103
2104         cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
2105         lock_ReleaseWrite(&scp->rw);
2106
2107         if (scp->fileType == CM_SCACHETYPE_DIRECTORY)
2108             code = cm_RemoveDir(dscp, NULL, FileName, userp, &req);
2109         else
2110             code = cm_Unlink(dscp, NULL, FileName, userp, &req);
2111     } else {
2112         lock_ReleaseWrite(&scp->rw);
2113     }
2114
2115     if (code == 0) {
2116         (*ResultCB)->ResultStatus = 0;  // We will be able to fit all the data in here
2117
2118         (*ResultCB)->ResultBufferLength = sizeof( AFSFileDeleteResultCB);
2119
2120         pResultCB = (AFSFileDeleteResultCB *)(*ResultCB)->ResultData;
2121
2122         pResultCB->ParentDataVersion.QuadPart = dscp->dataVersion;
2123         osi_Log0(afsd_logp, "RDR_DeleteFileEntry SUCCESS");
2124     } else {
2125         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2126         (*ResultCB)->ResultStatus = status;
2127         (*ResultCB)->ResultBufferLength = 0;
2128         osi_Log2(afsd_logp, "RDR_DeleteFileEntry FAILURE code=0x%x status=0x%x",
2129                   code, status);
2130     }
2131
2132     cm_ReleaseSCache(dscp);
2133     cm_ReleaseSCache(scp);
2134
2135     return;
2136 }
2137
2138 void
2139 RDR_RenameFileEntry( IN cm_user_t *userp,
2140                      IN WCHAR    *SourceFileNameCounted,
2141                      IN DWORD     SourceFileNameLength,
2142                      IN AFSFileID SourceFileId,
2143                      IN AFSFileRenameCB *pRenameCB,
2144                      IN BOOL bWow64,
2145                      IN DWORD ResultBufferLength,
2146                      IN OUT AFSCommResult **ResultCB)
2147 {
2148
2149     AFSFileRenameResultCB *pResultCB = NULL;
2150     size_t size = sizeof(AFSCommResult) + ResultBufferLength - 1;
2151     AFSFileID              SourceParentId   = pRenameCB->SourceParentId;
2152     AFSFileID              TargetParentId   = pRenameCB->TargetParentId;
2153     WCHAR *                TargetFileNameCounted = pRenameCB->TargetName;
2154     DWORD                  TargetFileNameLength = pRenameCB->TargetNameLength;
2155     cm_fid_t               SourceParentFid;
2156     cm_fid_t               TargetParentFid;
2157     cm_scache_t *          oldDscp;
2158     cm_scache_t *          newDscp;
2159     wchar_t                shortName[13];
2160     wchar_t                SourceFileName[260];
2161     wchar_t                TargetFileName[260];
2162     cm_dirFid_t            dfid;
2163     cm_req_t               req;
2164     afs_uint32             code;
2165     DWORD                  status;
2166
2167     RDR_InitReq(&req);
2168     if ( bWow64 )
2169         req.flags |= CM_REQ_WOW64;
2170
2171     StringCchCopyNW(SourceFileName, 260, SourceFileNameCounted, SourceFileNameLength / sizeof(WCHAR));
2172     StringCchCopyNW(TargetFileName, 260, TargetFileNameCounted, TargetFileNameLength / sizeof(WCHAR));
2173
2174     osi_Log4(afsd_logp, "RDR_RenameFileEntry Source Parent FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
2175               SourceParentId.Cell,  SourceParentId.Volume,
2176               SourceParentId.Vnode, SourceParentId.Unique);
2177     osi_Log2(afsd_logp, "... Source Name=%S Length %u", osi_LogSaveStringW(afsd_logp, SourceFileName), SourceFileNameLength);
2178     osi_Log4(afsd_logp, "... Target Parent FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
2179               TargetParentId.Cell,  TargetParentId.Volume,
2180               TargetParentId.Vnode, TargetParentId.Unique);
2181     osi_Log2(afsd_logp, "... Target Name=%S Length %u", osi_LogSaveStringW(afsd_logp, TargetFileName), TargetFileNameLength);
2182
2183     *ResultCB = (AFSCommResult *)malloc( size);
2184     if (!(*ResultCB))
2185         return;
2186
2187     memset( *ResultCB,
2188             '\0',
2189             size);
2190
2191     pResultCB = (AFSFileRenameResultCB *)(*ResultCB)->ResultData;
2192
2193     if (SourceFileNameLength == 0 || TargetFileNameLength == 0)
2194     {
2195         osi_Log2(afsd_logp, "RDR_RenameFileEntry Invalid Name Length: src %u target %u",
2196                  SourceFileNameLength, TargetFileNameLength);
2197         (*ResultCB)->ResultStatus = STATUS_INVALID_PARAMETER;
2198         return;
2199     }
2200
2201     SourceParentFid.cell   = SourceParentId.Cell;
2202     SourceParentFid.volume = SourceParentId.Volume;
2203     SourceParentFid.vnode  = SourceParentId.Vnode;
2204     SourceParentFid.unique = SourceParentId.Unique;
2205     SourceParentFid.hash   = SourceParentId.Hash;
2206
2207     TargetParentFid.cell   = TargetParentId.Cell;
2208     TargetParentFid.volume = TargetParentId.Volume;
2209     TargetParentFid.vnode  = TargetParentId.Vnode;
2210     TargetParentFid.unique = TargetParentId.Unique;
2211     TargetParentFid.hash   = TargetParentId.Hash;
2212
2213     code = cm_GetSCache(&SourceParentFid, &oldDscp, userp, &req);
2214     if (code) {
2215         osi_Log1(afsd_logp, "RDR_RenameFileEntry cm_GetSCache source parent failed code 0x%x", code);
2216         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2217         (*ResultCB)->ResultStatus = status;
2218         return;
2219     }
2220
2221     lock_ObtainWrite(&oldDscp->rw);
2222     code = cm_SyncOp(oldDscp, NULL, userp, &req, 0,
2223                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2224     if (code) {
2225         osi_Log2(afsd_logp, "RDR_RenameFileEntry cm_SyncOp oldDscp 0x%p failed code 0x%x", oldDscp, code);
2226         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2227         (*ResultCB)->ResultStatus = status;
2228         lock_ReleaseWrite(&oldDscp->rw);
2229         cm_ReleaseSCache(oldDscp);
2230         return;
2231     }
2232
2233     cm_SyncOpDone(oldDscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2234     lock_ReleaseWrite(&oldDscp->rw);
2235
2236
2237     if (oldDscp->fileType != CM_SCACHETYPE_DIRECTORY) {
2238         osi_Log1(afsd_logp, "RDR_RenameFileEntry oldDscp 0x%p not a directory", oldDscp);
2239         (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
2240         cm_ReleaseSCache(oldDscp);
2241         return;
2242     }
2243
2244     code = cm_GetSCache(&TargetParentFid, &newDscp, userp, &req);
2245     if (code) {
2246         osi_Log1(afsd_logp, "RDR_RenameFileEntry cm_GetSCache target parent failed code 0x%x", code);
2247         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2248         (*ResultCB)->ResultStatus = status;
2249         cm_ReleaseSCache(oldDscp);
2250         return;
2251     }
2252
2253     lock_ObtainWrite(&newDscp->rw);
2254     code = cm_SyncOp(newDscp, NULL, userp, &req, 0,
2255                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2256     if (code) {
2257         osi_Log2(afsd_logp, "RDR_RenameFileEntry cm_SyncOp newDscp 0x%p failed code 0x%x", newDscp, code);
2258         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2259         (*ResultCB)->ResultStatus = status;
2260         lock_ReleaseWrite(&newDscp->rw);
2261         cm_ReleaseSCache(oldDscp);
2262         cm_ReleaseSCache(newDscp);
2263         return;
2264     }
2265
2266     cm_SyncOpDone(newDscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2267     lock_ReleaseWrite(&newDscp->rw);
2268
2269
2270     if (newDscp->fileType != CM_SCACHETYPE_DIRECTORY) {
2271         osi_Log1(afsd_logp, "RDR_RenameFileEntry newDscp 0x%p not a directory", newDscp);
2272         (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
2273         cm_ReleaseSCache(oldDscp);
2274         cm_ReleaseSCache(newDscp);
2275         return;
2276     }
2277
2278     code = cm_Rename( oldDscp, NULL, SourceFileName,
2279                       newDscp, TargetFileName, userp, &req);
2280     if (code == 0) {
2281         cm_dirOp_t dirop;
2282         cm_fid_t   targetFid;
2283         cm_scache_t *scp = 0;
2284         DWORD dwRemaining;
2285
2286         (*ResultCB)->ResultBufferLength = ResultBufferLength;
2287         dwRemaining = ResultBufferLength - sizeof( AFSFileRenameResultCB) + sizeof( AFSDirEnumEntry);
2288         (*ResultCB)->ResultStatus = 0;
2289
2290         pResultCB->SourceParentDataVersion.QuadPart = oldDscp->dataVersion;
2291         pResultCB->TargetParentDataVersion.QuadPart = newDscp->dataVersion;
2292
2293         osi_Log2(afsd_logp, "RDR_RenameFileEntry cm_Rename oldDscp 0x%p newDscp 0x%p SUCCESS",
2294                  oldDscp, newDscp);
2295
2296         code = cm_BeginDirOp( newDscp, userp, &req, CM_DIRLOCK_READ, CM_DIROP_FLAG_NONE, &dirop);
2297         if (code == 0) {
2298             code = cm_BPlusDirLookup(&dirop, TargetFileName, &targetFid);
2299             cm_EndDirOp(&dirop);
2300         }
2301
2302         if (code != 0) {
2303             osi_Log1(afsd_logp, "RDR_RenameFileEntry cm_BPlusDirLookup failed code 0x%x",
2304                      code);
2305             (*ResultCB)->ResultStatus = STATUS_OBJECT_PATH_INVALID;
2306             cm_ReleaseSCache(oldDscp);
2307             cm_ReleaseSCache(newDscp);
2308             return;
2309         }
2310
2311         osi_Log4(afsd_logp, "RDR_RenameFileEntry Target FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
2312                   targetFid.cell,  targetFid.volume,
2313                   targetFid.vnode, targetFid.unique);
2314
2315         code = cm_GetSCache(&targetFid, &scp, userp, &req);
2316         if (code) {
2317             osi_Log1(afsd_logp, "RDR_RenameFileEntry cm_GetSCache target failed code 0x%x", code);
2318             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2319             (*ResultCB)->ResultStatus = status;
2320             cm_ReleaseSCache(oldDscp);
2321             cm_ReleaseSCache(newDscp);
2322             return;
2323         }
2324
2325         /* Make sure the source vnode is current */
2326         lock_ObtainWrite(&scp->rw);
2327         code = cm_SyncOp(scp, NULL, userp, &req, 0,
2328                           CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2329         if (code) {
2330             osi_Log2(afsd_logp, "RDR_RenameFileEntry cm_SyncOp scp 0x%p failed code 0x%x", scp, code);
2331             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2332             (*ResultCB)->ResultStatus = status;
2333             lock_ReleaseWrite(&scp->rw);
2334             cm_ReleaseSCache(oldDscp);
2335             cm_ReleaseSCache(newDscp);
2336             cm_ReleaseSCache(scp);
2337             return;
2338         }
2339
2340         cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2341         lock_ReleaseWrite(&scp->rw);
2342
2343         dfid.vnode = htonl(scp->fid.vnode);
2344         dfid.unique = htonl(scp->fid.unique);
2345
2346         if (!cm_Is8Dot3(TargetFileName))
2347             cm_Gen8Dot3NameIntW(TargetFileName, &dfid, shortName, NULL);
2348         else
2349             shortName[0] = '\0';
2350
2351         RDR_PopulateCurrentEntry(&pResultCB->DirEnum, dwRemaining,
2352                                  newDscp, scp, userp, &req, TargetFileName, shortName,
2353                                  RDR_POP_FOLLOW_MOUNTPOINTS | RDR_POP_EVALUATE_SYMLINKS,
2354                                  NULL, &dwRemaining);
2355         (*ResultCB)->ResultBufferLength = ResultBufferLength - dwRemaining;
2356         cm_ReleaseSCache(scp);
2357
2358         osi_Log0(afsd_logp, "RDR_RenameFileEntry SUCCESS");
2359     } else {
2360         osi_Log3(afsd_logp, "RDR_RenameFileEntry cm_Rename oldDscp 0x%p newDscp 0x%p failed code 0x%x",
2361                  oldDscp, newDscp, code);
2362         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2363         (*ResultCB)->ResultStatus = status;
2364         (*ResultCB)->ResultBufferLength = 0;
2365     }
2366
2367     cm_ReleaseSCache(oldDscp);
2368     cm_ReleaseSCache(newDscp);
2369     return;
2370 }
2371
2372 void
2373 RDR_FlushFileEntry( IN cm_user_t *userp,
2374                     IN AFSFileID FileId,
2375                     IN BOOL bWow64,
2376                     IN DWORD ResultBufferLength,
2377                     IN OUT AFSCommResult **ResultCB)
2378 {
2379     cm_scache_t *scp = NULL;
2380     cm_fid_t    Fid;
2381     afs_uint32  code;
2382     cm_req_t    req;
2383     DWORD       status;
2384 #ifdef ODS_DEBUG
2385     char        dbgstr[1024];
2386 #endif
2387
2388     RDR_InitReq(&req);
2389     if ( bWow64 )
2390         req.flags |= CM_REQ_WOW64;
2391
2392     osi_Log4(afsd_logp, "RDR_FlushFileEntry File FID cell 0x%x vol 0x%x vno 0x%x uniq 0x%x",
2393               FileId.Cell, FileId.Volume,
2394               FileId.Vnode, FileId.Unique);
2395 #ifdef ODS_DEBUG
2396     snprintf( dbgstr, 1024,
2397               "RDR_FlushFileEntry File FID cell 0x%x vol 0x%x vno 0x%x uniq 0x%x\n",
2398               FileId.Cell, FileId.Volume,
2399               FileId.Vnode, FileId.Unique);
2400     OutputDebugStringA( dbgstr);
2401 #endif
2402
2403     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult));
2404     if (!(*ResultCB)) {
2405         osi_Log0(afsd_logp, "RDR_FlushFileEntry out of memory");
2406         return;
2407     }
2408
2409     memset( *ResultCB,
2410             '\0',
2411             sizeof( AFSCommResult));
2412
2413     /* Process the release */
2414     Fid.cell = FileId.Cell;
2415     Fid.volume = FileId.Volume;
2416     Fid.vnode = FileId.Vnode;
2417     Fid.unique = FileId.Unique;
2418     Fid.hash = FileId.Hash;
2419
2420     code = cm_GetSCache(&Fid, &scp, userp, &req);
2421     if (code) {
2422         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2423         (*ResultCB)->ResultStatus = status;
2424         osi_Log2(afsd_logp, "RDR_FlushFileEntry cm_GetSCache FID failure code=0x%x status=0x%x",
2425                   code, status);
2426         return;
2427     }
2428
2429     lock_ObtainWrite(&scp->rw);
2430     if (scp->flags & CM_SCACHEFLAG_DELETED) {
2431         lock_ReleaseWrite(&scp->rw);
2432         (*ResultCB)->ResultStatus = STATUS_INVALID_HANDLE;
2433         return;
2434     }
2435
2436     code = cm_SyncOp(scp, NULL, userp, &req, 0,
2437                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2438     if (code) {
2439         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2440         (*ResultCB)->ResultStatus = status;
2441         lock_ReleaseWrite(&scp->rw);
2442         cm_ReleaseSCache(scp);
2443         osi_Log3(afsd_logp, "RDR_FlushFileEntry cm_SyncOp failure scp=0x%p code=0x%x status=0x%x",
2444                  scp, code, status);
2445         return;
2446     }
2447
2448     cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2449     lock_ReleaseWrite(&scp->rw);
2450
2451     code = cm_FSync(scp, userp, &req, FALSE);
2452     cm_ReleaseSCache(scp);
2453
2454     if (code) {
2455         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2456         (*ResultCB)->ResultStatus = status;
2457         osi_Log2(afsd_logp, "RDR_FlushFileEntry FAILURE code=0x%x status=0x%x",
2458                   code, status);
2459     } else {
2460         (*ResultCB)->ResultStatus = 0;
2461         osi_Log0(afsd_logp, "RDR_FlushFileEntry SUCCESS");
2462     }
2463     (*ResultCB)->ResultBufferLength = 0;
2464
2465     return;
2466 }
2467
2468 afs_uint32
2469 RDR_CheckAccess( IN cm_scache_t *scp, cm_user_t *userp, cm_req_t *reqp,
2470                  ULONG access,
2471                  ULONG *granted)
2472 {
2473     ULONG afs_acc, afs_gr;
2474     BOOLEAN file, dir;
2475     afs_uint32 code = 0;
2476
2477     file = (scp->fileType == CM_SCACHETYPE_FILE);
2478     dir = !file;
2479
2480     /* access definitions from prs_fs.h */
2481     afs_acc = 0;
2482     if (access & FILE_READ_DATA)
2483         afs_acc |= PRSFS_READ;
2484     if (access & FILE_READ_EA || access & FILE_READ_ATTRIBUTES)
2485         afs_acc |= PRSFS_READ;
2486     if (file && ((access & FILE_WRITE_DATA) || (access & FILE_APPEND_DATA)))
2487         afs_acc |= PRSFS_WRITE;
2488     if (access & FILE_WRITE_EA || access & FILE_WRITE_ATTRIBUTES)
2489         afs_acc |= PRSFS_WRITE;
2490     if (dir && ((access & FILE_ADD_FILE) || (access & FILE_ADD_SUBDIRECTORY)))
2491         afs_acc |= PRSFS_INSERT;
2492     if (dir && (access & FILE_LIST_DIRECTORY))
2493         afs_acc |= PRSFS_LOOKUP;
2494     if (file && (access & FILE_EXECUTE))
2495         afs_acc |= PRSFS_WRITE;
2496     if (dir && (access & FILE_TRAVERSE))
2497         afs_acc |= PRSFS_READ;
2498     if (dir && (access & FILE_DELETE_CHILD))
2499         afs_acc |= PRSFS_DELETE;
2500     if ((access & DELETE))
2501         afs_acc |= PRSFS_DELETE;
2502
2503     /* check ACL with server */
2504     lock_ObtainWrite(&scp->rw);
2505     while (1)
2506     {
2507         if (cm_HaveAccessRights(scp, userp, reqp, afs_acc, &afs_gr))
2508         {
2509             break;
2510         }
2511         else
2512         {
2513             /* we don't know the required access rights */
2514             code = cm_GetAccessRights(scp, userp, reqp);
2515             if (code)
2516                 break;
2517             continue;
2518         }
2519     }
2520     lock_ReleaseWrite(&(scp->rw));
2521
2522     if (code == 0) {
2523         *granted = 0;
2524         if (afs_gr & PRSFS_READ)
2525             *granted |= FILE_READ_DATA | FILE_READ_EA | FILE_READ_ATTRIBUTES | FILE_EXECUTE;
2526         if (afs_gr & PRSFS_WRITE)
2527             *granted |= FILE_WRITE_DATA | FILE_APPEND_DATA | FILE_WRITE_EA | FILE_WRITE_ATTRIBUTES | FILE_EXECUTE;
2528         if (afs_gr & PRSFS_INSERT)
2529             *granted |= (dir ? FILE_ADD_FILE | FILE_ADD_SUBDIRECTORY : 0) | (file ? FILE_ADD_SUBDIRECTORY : 0);
2530         if (afs_gr & PRSFS_LOOKUP)
2531             *granted |= (dir ? FILE_LIST_DIRECTORY : 0);
2532         if (afs_gr & PRSFS_DELETE)
2533             *granted |= FILE_DELETE_CHILD | DELETE;
2534         if (afs_gr & PRSFS_LOCK)
2535             *granted |= 0;
2536         if (afs_gr & PRSFS_ADMINISTER)
2537             *granted |= 0;
2538
2539         *granted |= SYNCHRONIZE | READ_CONTROL;
2540
2541         /* don't give more access than what was requested */
2542         *granted &= access;
2543         osi_Log3(afsd_logp, "RDR_CheckAccess SUCCESS scp=0x%p requested=0x%x granted=0x%x", scp, access, *granted);
2544     } else
2545         osi_Log2(afsd_logp, "RDR_CheckAccess FAILURE scp=0x%p code=0x%x",
2546                  scp, code);
2547
2548     return code;
2549 }
2550
2551 void
2552 RDR_OpenFileEntry( IN cm_user_t *userp,
2553                    IN AFSFileID FileId,
2554                    IN AFSFileOpenCB *OpenCB,
2555                    IN BOOL bWow64,
2556                    IN BOOL bHoldFid,
2557                    IN DWORD ResultBufferLength,
2558                    IN OUT AFSCommResult **ResultCB)
2559 {
2560     AFSFileOpenResultCB *pResultCB = NULL;
2561     cm_scache_t *scp = NULL;
2562     cm_user_t   *sysUserp = NULL;
2563     cm_fid_t    Fid;
2564     cm_lock_data_t      *ldp = NULL;
2565     afs_uint32  code;
2566     cm_req_t    req;
2567     DWORD       status;
2568
2569     RDR_InitReq(&req);
2570     if ( bWow64 )
2571         req.flags |= CM_REQ_WOW64;
2572
2573     osi_Log4(afsd_logp, "RDR_OpenFileEntry File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
2574               FileId.Cell, FileId.Volume,
2575               FileId.Vnode, FileId.Unique);
2576
2577     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult) + sizeof( AFSFileOpenResultCB));
2578     if (!(*ResultCB)) {
2579         osi_Log0(afsd_logp, "RDR_OpenFileEntry out of memory");
2580         return;
2581     }
2582
2583     memset( *ResultCB,
2584             '\0',
2585             sizeof( AFSCommResult) + sizeof( AFSFileOpenResultCB));
2586
2587     pResultCB = (AFSFileOpenResultCB *)(*ResultCB)->ResultData;
2588
2589     /* Process the release */
2590     Fid.cell = FileId.Cell;
2591     Fid.volume = FileId.Volume;
2592     Fid.vnode = FileId.Vnode;
2593     Fid.unique = FileId.Unique;
2594     Fid.hash = FileId.Hash;
2595
2596     code = cm_GetSCache(&Fid, &scp, userp, &req);
2597     if (code) {
2598         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2599         (*ResultCB)->ResultStatus = status;
2600         osi_Log2(afsd_logp, "RDR_OpenFileEntry cm_GetSCache FID failure code=0x%x status=0x%x",
2601                   code, status);
2602         return;
2603     }
2604
2605     lock_ObtainWrite(&scp->rw);
2606     code = cm_SyncOp(scp, NULL, userp, &req, 0,
2607                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2608     if (code) {
2609         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2610         (*ResultCB)->ResultStatus = status;
2611         lock_ReleaseWrite(&scp->rw);
2612         cm_ReleaseSCache(scp);
2613         osi_Log3(afsd_logp, "RDR_OpenFileEntry cm_SyncOp failure scp=0x%p code=0x%x status=0x%x",
2614                  scp, code, status);
2615         return;
2616     }
2617
2618     cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2619     lock_ReleaseWrite(&scp->rw);
2620
2621     sysUserp = RDR_GetLocalSystemUser();
2622
2623     /*
2624      * Skip the open check if the request is coming from the local system account.
2625      * The local system has no tokens and therefore any requests sent to a file
2626      * server will fail.  Unfortunately, there are special system processes that
2627      * perform actions on files and directories in preparation for memory mapping
2628      * executables.  If the open check fails, the real request from the user process
2629      * will never be issued.
2630      *
2631      * Permitting the file system to allow subsequent operations to proceed does
2632      * not compromise security.  All requests to obtain file data or directory
2633      * enumerations will subsequently fail if they are not submitted under the
2634      * context of a process for that have access to the necessary credentials.
2635      */
2636
2637     if ( userp == sysUserp)
2638     {
2639         osi_Log1(afsd_logp, "RDR_OpenFileEntry LOCAL_SYSTEM access check skipped scp=0x%p",
2640                  scp);
2641         pResultCB->GrantedAccess = OpenCB->DesiredAccess;
2642         pResultCB->FileAccess = AFS_FILE_ACCESS_NOLOCK;
2643         code = 0;
2644     }
2645     else
2646     {
2647         int count = 0;
2648
2649         do {
2650             if (count++ > 0) {
2651                 Sleep(350);
2652                 osi_Log3(afsd_logp,
2653                          "RDR_OpenFileEntry repeating open check scp=0x%p userp=0x%p code=0x%x",
2654                          scp, userp, code);
2655             }
2656             code = cm_CheckNTOpen(scp, OpenCB->DesiredAccess, OpenCB->ShareAccess,
2657                                   OPEN_ALWAYS,
2658                                   OpenCB->ProcessId, OpenCB->Identifier,
2659                                   userp, &req, &ldp);
2660             if (code == 0)
2661                 code = RDR_CheckAccess(scp, userp, &req, OpenCB->DesiredAccess, &pResultCB->GrantedAccess);
2662             cm_CheckNTOpenDone(scp, userp, &req, &ldp);
2663         } while (count < 100 && (code == CM_ERROR_RETRY || code == CM_ERROR_WOULDBLOCK));
2664     }
2665
2666     /*
2667      * If we are restricting sharing, we should do so with a suitable
2668      * share lock.
2669      */
2670     if (code == 0 && scp->fileType == CM_SCACHETYPE_FILE && !(OpenCB->ShareAccess & FILE_SHARE_WRITE)) {
2671         cm_key_t key;
2672         LARGE_INTEGER LOffset, LLength;
2673         int sLockType;
2674
2675         LOffset.HighPart = SMB_FID_QLOCK_HIGH;
2676         LOffset.LowPart = SMB_FID_QLOCK_LOW;
2677         LLength.HighPart = 0;
2678         LLength.LowPart = SMB_FID_QLOCK_LENGTH;
2679
2680         /*
2681          * If we are not opening the file for writing, then we don't
2682          * try to get an exclusive lock.  No one else should be able to
2683          * get an exclusive lock on the file anyway, although someone
2684          * else can get a shared lock.
2685          */
2686         if ((OpenCB->ShareAccess & FILE_SHARE_READ) || !(OpenCB->DesiredAccess & AFS_ACCESS_WRITE))
2687         {
2688             sLockType = LOCKING_ANDX_SHARED_LOCK;
2689         } else {
2690             sLockType = 0;
2691         }
2692
2693         key = cm_GenerateKey(CM_SESSION_IFS, SMB_FID_QLOCK_PID, OpenCB->Identifier);
2694
2695         lock_ObtainWrite(&scp->rw);
2696         code = cm_Lock(scp, sLockType, LOffset, LLength, key, 0, userp, &req, NULL);
2697         lock_ReleaseWrite(&scp->rw);
2698
2699         if (code) {
2700             code = CM_ERROR_SHARING_VIOLATION;
2701             pResultCB->FileAccess = AFS_FILE_ACCESS_NOLOCK;
2702         } else {
2703             if (sLockType == LOCKING_ANDX_SHARED_LOCK)
2704                 pResultCB->FileAccess = AFS_FILE_ACCESS_SHARED;
2705             else
2706                 pResultCB->FileAccess = AFS_FILE_ACCESS_EXCLUSIVE;
2707         }
2708     } else {
2709         pResultCB->FileAccess = AFS_FILE_ACCESS_NOLOCK;
2710     }
2711
2712     cm_ReleaseUser(sysUserp);
2713     if (code == 0 && bHoldFid)
2714         RDR_FlagScpInUse( scp, FALSE );
2715     cm_ReleaseSCache(scp);
2716
2717     if (code) {
2718         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2719         (*ResultCB)->ResultStatus = status;
2720         osi_Log2(afsd_logp, "RDR_OpenFileEntry FAILURE code=0x%x status=0x%x",
2721                   code, status);
2722     } else {
2723         (*ResultCB)->ResultStatus = 0;
2724         (*ResultCB)->ResultBufferLength = sizeof( AFSFileOpenResultCB);
2725         osi_Log0(afsd_logp, "RDR_OpenFileEntry SUCCESS");
2726     }
2727     return;
2728 }
2729
2730 void
2731 RDR_ReleaseFileAccess( IN cm_user_t *userp,
2732                        IN AFSFileID FileId,
2733                        IN AFSFileAccessReleaseCB *ReleaseFileCB,
2734                        IN BOOL bWow64,
2735                        IN DWORD ResultBufferLength,
2736                        IN OUT AFSCommResult **ResultCB)
2737 {
2738     cm_key_t key;
2739     unsigned int sLockType;
2740     LARGE_INTEGER LOffset, LLength;
2741     cm_scache_t *scp = NULL;
2742     cm_fid_t    Fid;
2743     afs_uint32  code;
2744     cm_req_t    req;
2745     DWORD       status;
2746
2747     RDR_InitReq(&req);
2748     if ( bWow64 )
2749         req.flags |= CM_REQ_WOW64;
2750
2751     osi_Log4(afsd_logp, "RDR_ReleaseFileAccess File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
2752               FileId.Cell, FileId.Volume,
2753               FileId.Vnode, FileId.Unique);
2754
2755     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult));
2756     if (!(*ResultCB)) {
2757         osi_Log0(afsd_logp, "RDR_ReleaseFileAccess out of memory");
2758         return;
2759     }
2760
2761     memset( *ResultCB, '\0', sizeof( AFSCommResult));
2762
2763     if (ReleaseFileCB->FileAccess == AFS_FILE_ACCESS_NOLOCK)
2764         return;
2765
2766     /* Process the release */
2767     Fid.cell = FileId.Cell;
2768     Fid.volume = FileId.Volume;
2769     Fid.vnode = FileId.Vnode;
2770     Fid.unique = FileId.Unique;
2771     Fid.hash = FileId.Hash;
2772
2773     code = cm_GetSCache(&Fid, &scp, userp, &req);
2774     if (code) {
2775         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2776         (*ResultCB)->ResultStatus = status;
2777         osi_Log2(afsd_logp, "RDR_ReleaseFileAccess cm_GetSCache FID failure code=0x%x status=0x%x",
2778                   code, status);
2779         return;
2780     }
2781
2782     if (ReleaseFileCB->FileAccess == AFS_FILE_ACCESS_SHARED)
2783         sLockType = LOCKING_ANDX_SHARED_LOCK;
2784     else
2785         sLockType = 0;
2786
2787     key = cm_GenerateKey(CM_SESSION_IFS, SMB_FID_QLOCK_PID, ReleaseFileCB->Identifier);
2788
2789     LOffset.HighPart = SMB_FID_QLOCK_HIGH;
2790     LOffset.LowPart = SMB_FID_QLOCK_LOW;
2791     LLength.HighPart = 0;
2792     LLength.LowPart = SMB_FID_QLOCK_LENGTH;
2793
2794     lock_ObtainWrite(&scp->rw);
2795
2796     code = cm_SyncOp(scp, NULL, userp, &req, 0, CM_SCACHESYNC_LOCK);
2797     if (code == 0)
2798     {
2799         code = cm_Unlock(scp, sLockType, LOffset, LLength, key, 0, userp, &req);
2800
2801         cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_LOCK);
2802
2803         if (code == CM_ERROR_RANGE_NOT_LOCKED)
2804         {
2805             osi_Log3(afsd_logp, "RDR_ReleaseFileAccess Range Not Locked -- FileAccess 0x%x ProcessId 0x%x HandleId 0x%x",
2806                      ReleaseFileCB->FileAccess, ReleaseFileCB->ProcessId, ReleaseFileCB->Identifier);
2807         }
2808     }
2809
2810     lock_ReleaseWrite(&scp->rw);
2811
2812     osi_Log0(afsd_logp, "RDR_ReleaseFileAccessEntry SUCCESS");
2813 }
2814
2815 static const char *
2816 HexCheckSum(unsigned char * buf, int buflen, unsigned char * md5cksum)
2817 {
2818     int i, k;
2819     static char tr[16] = {'0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'};
2820
2821     if (buflen < 33)
2822         return "buffer length too small to HexCheckSum";
2823
2824     for (i=0;i<16;i++) {
2825         k = md5cksum[i];
2826
2827         buf[i*2] = tr[k / 16];
2828         buf[i*2+1] = tr[k % 16];
2829     }
2830     buf[32] = '\0';
2831
2832     return buf;
2833 }
2834
2835 /*
2836  * Extent requests from the file system are triggered when a file
2837  * page is not resident in the Windows cache.  The file system is
2838  * responsible for loading the page but cannot block the request
2839  * while doing so.  The AFS Redirector forwards the requests to
2840  * the AFS cache manager while indicating to Windows that the page
2841  * is not yet available.  A polling operation will then ensue with
2842  * the AFS Redirector issuing a RDR_RequestFileExtentsXXX call for
2843  * each poll attempt.  As each request is received and processed
2844  * by a separate worker thread in the service, this can lead to
2845  * contention by multiple threads attempting to claim the same
2846  * cm_buf_t objects.  Therefore, it is important that
2847  *
2848  *  (a) the service avoid processing more than one overlapping
2849  *      extent request at a time
2850  *  (b) background daemon processing be used to avoid blocking
2851  *      of ioctl threads
2852  *
2853  * Beginning with the 20091122 build of the redirector, the redirector
2854  * will not issue an additional RDR_RequestFileExtentsXXX call for
2855  * each poll request.  Instead, afsd_service is required to track
2856  * the requests and return them to the redirector or fail the
2857  * portions of the request that cannot be satisfied.
2858  *
2859  * The request processing returns any extents that can be returned
2860  * immediately to the redirector.  The rest of the requested range(s)
2861  * are queued as background operations using RDR_BkgFetch().
2862  */
2863
2864 /* do the background fetch. */
2865 afs_int32
2866 RDR_BkgFetch(cm_scache_t *scp, afs_uint32 p1, afs_uint32 p2, afs_uint32 p3, afs_uint32 p4,
2867              cm_user_t *userp, cm_req_t *reqp)
2868 {
2869     osi_hyper_t length;
2870     osi_hyper_t base;
2871     osi_hyper_t offset;
2872     osi_hyper_t end;
2873     osi_hyper_t fetched;
2874     osi_hyper_t tblocksize;
2875     afs_int32 code;
2876     int rwheld = 0;
2877     cm_buf_t *bufp = NULL;
2878     DWORD dwResultBufferLength;
2879     AFSSetFileExtentsCB *pResultCB;
2880     DWORD status;
2881     afs_uint32 count=0;
2882     AFSFileID FileId;
2883     int reportErrorToRedir = 0;
2884     int force_retry = 0;
2885
2886     FileId.Cell = scp->fid.cell;
2887     FileId.Volume = scp->fid.volume;
2888     FileId.Vnode = scp->fid.vnode;
2889     FileId.Unique = scp->fid.unique;
2890     FileId.Hash = scp->fid.hash;
2891
2892     if ((GetTickCount() - reqp->startTime) / 1000 > HardDeadtimeout * 5) {
2893         RDR_SetFileStatus( &scp->fid, STATUS_IO_TIMEOUT);
2894         return 0;
2895     }
2896
2897     fetched.LowPart = 0;
2898     fetched.HighPart = 0;
2899     tblocksize = ConvertLongToLargeInteger(cm_data.buf_blockSize);
2900     base.LowPart = p1;
2901     base.HighPart = p2;
2902     length.LowPart = p3;
2903     length.HighPart = p4;
2904
2905     end = LargeIntegerAdd(base, length);
2906
2907     osi_Log5(afsd_logp, "Starting BKG Fetch scp 0x%p offset 0x%x:%x length 0x%x:%x",
2908              scp, p2, p1, p4, p3);
2909
2910     /*
2911      * Make sure we have a callback.
2912      * This is necessary so that we can return access denied
2913      * if a callback cannot be granted.
2914      */
2915     lock_ObtainWrite(&scp->rw);
2916     code = cm_SyncOp(scp, NULL, userp, reqp, PRSFS_READ,
2917                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2918     if (code) {
2919         lock_ReleaseWrite(&scp->rw);
2920         osi_Log2(afsd_logp, "RDR_BkgFetch cm_SyncOp failure scp=0x%p code=0x%x",
2921                  scp, code);
2922         smb_MapNTError(cm_MapRPCError(code, reqp), &status, TRUE);
2923         RDR_SetFileStatus( &scp->fid, status);
2924         return code;
2925     }
2926     lock_ReleaseWrite(&scp->rw);
2927
2928     dwResultBufferLength = (DWORD)(sizeof( AFSSetFileExtentsCB) + sizeof( AFSSetFileExtentsCB) * (length.QuadPart / cm_data.blockSize + 1));
2929     pResultCB = (AFSSetFileExtentsCB *)malloc( dwResultBufferLength );
2930     if (!pResultCB)
2931         return CM_ERROR_RETRY;
2932
2933     memset( pResultCB, '\0', dwResultBufferLength );
2934     pResultCB->FileId = FileId;
2935
2936     for ( code = 0, offset = base;
2937           code == 0 && LargeIntegerLessThan(offset, end);
2938           offset = LargeIntegerAdd(offset, tblocksize) )
2939     {
2940         int bBufRelease = TRUE;
2941
2942         if (rwheld) {
2943             lock_ReleaseWrite(&scp->rw);
2944             rwheld = 0;
2945         }
2946
2947         code = buf_Get(scp, &offset, reqp, &bufp);
2948         if (code) {
2949             /*
2950              * any error from buf_Get() is non-fatal.
2951              * we need to re-queue this extent fetch.
2952              */
2953             force_retry = 1;
2954             continue;
2955         }
2956
2957         if (!rwheld) {
2958             lock_ObtainWrite(&scp->rw);
2959             rwheld = 1;
2960         }
2961
2962         code = cm_GetBuffer(scp, bufp, NULL, userp, reqp);
2963         if (code == 0) {
2964             if (bufp->flags & CM_BUF_DIRTY)
2965                 cm_BufWrite(scp, &bufp->offset, cm_chunkSize, CM_BUF_WRITE_SCP_LOCKED, userp, reqp);
2966
2967             if (!(bufp->qFlags & CM_BUF_QREDIR)) {
2968 #ifdef VALIDATE_CHECK_SUM
2969 #ifdef ODS_DEBUG
2970                 char md5dbg[33];
2971                 char dbgstr[1024];
2972 #endif
2973 #endif
2974                 lock_ObtainWrite(&buf_globalLock);
2975                 if (!(bufp->flags & CM_BUF_DIRTY) &&
2976                     bufp->cmFlags == 0 &&
2977                     !(bufp->qFlags & CM_BUF_QREDIR)) {
2978                     buf_InsertToRedirQueue(scp, bufp);
2979                     lock_ReleaseWrite(&buf_globalLock);
2980
2981 #ifdef VALIDATE_CHECK_SUM
2982                     buf_ComputeCheckSum(bufp);
2983 #endif
2984                     pResultCB->FileExtents[count].Flags = 0;
2985                     pResultCB->FileExtents[count].FileOffset.QuadPart = bufp->offset.QuadPart;
2986                     pResultCB->FileExtents[count].CacheOffset.QuadPart = bufp->datap - RDR_extentBaseAddress;
2987                     pResultCB->FileExtents[count].Length = cm_data.blockSize;
2988                     count++;
2989                     fetched = LargeIntegerAdd(fetched, tblocksize);
2990                     bBufRelease = FALSE;
2991
2992 #ifdef VALIDATE_CHECK_SUM
2993 #ifdef ODS_DEBUG
2994                     HexCheckSum(md5dbg, sizeof(md5dbg), bufp->md5cksum);
2995                     snprintf( dbgstr, 1024,
2996                               "RDR_BkgFetch md5 %s vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
2997                               md5dbg,
2998                               scp->fid.volume, scp->fid.vnode, scp->fid.unique,
2999                               pResultCB->FileExtents[count].FileOffset.HighPart,
3000                               pResultCB->FileExtents[count].FileOffset.LowPart,
3001                               pResultCB->FileExtents[count].CacheOffset.HighPart,
3002                               pResultCB->FileExtents[count].CacheOffset.LowPart);
3003                     OutputDebugStringA( dbgstr);
3004 #endif
3005 #endif
3006                     osi_Log4(afsd_logp, "RDR_BkgFetch Extent2FS bufp 0x%p foffset 0x%p coffset 0x%p len 0x%x",
3007                               bufp, bufp->offset.QuadPart, bufp->datap - RDR_extentBaseAddress, cm_data.blockSize);
3008                 } else {
3009                     lock_ReleaseWrite(&buf_globalLock);
3010                     if ((bufp->cmFlags != 0) || (bufp->flags & CM_BUF_DIRTY)) {
3011                         /* An I/O operation is already in progress */
3012                         force_retry = 1;
3013                         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",
3014                                   bufp, bufp->offset.QuadPart, bufp->datap - RDR_extentBaseAddress, cm_data.blockSize);
3015                     } else {
3016                         osi_Log4(afsd_logp, "RDR_BkgFetch Extent2FS Already held by Redirector bufp 0x%p foffset 0x%p coffset 0x%p len 0x%x",
3017                                   bufp, bufp->offset.QuadPart, bufp->datap - RDR_extentBaseAddress, cm_data.blockSize);
3018                     }
3019                 }
3020             } else {
3021                 osi_Log4(afsd_logp, "RDR_BkgFetch Extent2FS Already held by Redirector bufp 0x%p foffset 0x%p coffset 0x%p len 0x%x",
3022                           bufp, bufp->offset.QuadPart, bufp->datap - RDR_extentBaseAddress, cm_data.blockSize);
3023             }
3024         } else {
3025             /*
3026              * depending on what the error from cm_GetBuffer is
3027              * it may or may not be fatal.  Only return fatal errors.
3028              * Re-queue a request for others.
3029              */
3030             osi_Log5(afsd_logp, "RDR_BkgFetch Extent2FS FAILURE bufp 0x%p foffset 0x%p coffset 0x%p len 0x%x code 0x%x",
3031                       bufp, offset.QuadPart, bufp->datap - RDR_extentBaseAddress, cm_data.blockSize, code);
3032             switch (code) {
3033             case CM_ERROR_NOACCESS:
3034             case CM_ERROR_NOSUCHFILE:
3035             case CM_ERROR_NOSUCHPATH:
3036             case CM_ERROR_NOSUCHVOLUME:
3037             case CM_ERROR_NOSUCHCELL:
3038             case CM_ERROR_INVAL:
3039             case CM_ERROR_BADFD:
3040             case CM_ERROR_CLOCKSKEW:
3041             case RXKADNOAUTH:
3042             case CM_ERROR_QUOTA:
3043             case CM_ERROR_LOCK_CONFLICT:
3044                 /*
3045                  * these are fatal errors.  deliver what we can
3046                  * and halt.
3047                  */
3048                 reportErrorToRedir = 1;
3049                 break;
3050             default:
3051                 /*
3052                  * non-fatal errors.  re-queue the exent
3053                  */
3054                 code = CM_ERROR_RETRY;
3055             }
3056         }
3057
3058         if (bBufRelease)
3059             buf_Release(bufp);
3060     }
3061
3062     if (!rwheld) {
3063         lock_ObtainWrite(&scp->rw);
3064         rwheld = 1;
3065     }
3066
3067     /* wakeup anyone who is waiting */
3068     if (scp->flags & CM_SCACHEFLAG_WAITING) {
3069         osi_Log1(afsd_logp, "RDR Bkg Fetch Waking scp 0x%p", scp);
3070         osi_Wakeup((LONG_PTR) &scp->flags);
3071     }
3072     lock_ReleaseWrite(&scp->rw);
3073
3074     if (count > 0) {
3075         pResultCB->ExtentCount = count;
3076         RDR_SetFileExtents( pResultCB, dwResultBufferLength);
3077     }
3078     free(pResultCB);
3079
3080     if (reportErrorToRedir) {
3081         smb_MapNTError(cm_MapRPCError(code, reqp), &status, TRUE);
3082         RDR_SetFileStatus( &scp->fid, status);
3083     }
3084
3085     osi_Log4(afsd_logp, "Ending BKG Fetch scp 0x%p code 0x%x fetched 0x%x:%x",
3086              scp, code, fetched.HighPart, fetched.LowPart);
3087
3088     return force_retry ? CM_ERROR_RETRY : code;
3089 }
3090
3091
3092 BOOL
3093 RDR_RequestFileExtentsAsync( IN cm_user_t *userp,
3094                              IN AFSFileID FileId,
3095                              IN AFSRequestExtentsCB *RequestExtentsCB,
3096                              IN BOOL bWow64,
3097                              IN OUT DWORD * ResultBufferLength,
3098                              IN OUT AFSSetFileExtentsCB **ResultCB)
3099 {
3100     AFSSetFileExtentsCB *pResultCB = NULL;
3101     DWORD Length;
3102     DWORD count;
3103     DWORD status;
3104     cm_scache_t *scp = NULL;
3105     cm_fid_t    Fid;
3106     cm_buf_t    *bufp;
3107     afs_uint32  code = 0;
3108     osi_hyper_t thyper;
3109     LARGE_INTEGER ByteOffset, BeginOffset, EndOffset, QueueOffset;
3110     afs_uint32  QueueLength;
3111     cm_req_t    req;
3112     BOOLEAN     bBufRelease = TRUE;
3113
3114     RDR_InitReq(&req);
3115     if ( bWow64 )
3116         req.flags |= CM_REQ_WOW64;
3117     req.flags |= CM_REQ_NORETRY;
3118
3119     osi_Log4(afsd_logp, "RDR_RequestFileExtentsAsync File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
3120               FileId.Cell, FileId.Volume,
3121               FileId.Vnode, FileId.Unique);
3122     osi_Log4(afsd_logp, "... Flags 0x%x ByteOffset 0x%x:%x Length 0x%x",
3123              RequestExtentsCB->Flags,
3124              RequestExtentsCB->ByteOffset.HighPart, RequestExtentsCB->ByteOffset.LowPart,
3125              RequestExtentsCB->Length);
3126     Length = sizeof( AFSSetFileExtentsCB) + sizeof( AFSFileExtentCB) * (RequestExtentsCB->Length / cm_data.blockSize + 1);
3127
3128     pResultCB = *ResultCB = (AFSSetFileExtentsCB *)malloc( Length );
3129     if (*ResultCB == NULL) {
3130         *ResultBufferLength = 0;
3131         return FALSE;
3132     }
3133     *ResultBufferLength = Length;
3134
3135     memset( pResultCB, '\0', Length );
3136     pResultCB->FileId = FileId;
3137
3138     Fid.cell = FileId.Cell;
3139     Fid.volume = FileId.Volume;
3140     Fid.vnode = FileId.Vnode;
3141     Fid.unique = FileId.Unique;
3142     Fid.hash = FileId.Hash;
3143
3144     code = cm_GetSCache(&Fid, &scp, userp, &req);
3145     if (code) {
3146         osi_Log1(afsd_logp, "RDR_RequestFileExtentsAsync cm_GetSCache FID failure code=0x%x",
3147                   code);
3148         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
3149         return FALSE;
3150     }
3151
3152     /*
3153      * Make sure we have a callback.
3154      * This is necessary so that we can return access denied
3155      * if a callback cannot be granted.
3156      */
3157     lock_ObtainWrite(&scp->rw);
3158     code = cm_SyncOp(scp, NULL, userp, &req, PRSFS_READ,
3159                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
3160     lock_ReleaseWrite(&scp->rw);
3161     if (code) {
3162         cm_ReleaseSCache(scp);
3163         osi_Log2(afsd_logp, "RDR_RequestFileExtentsAsync cm_SyncOp failure scp=0x%p code=0x%x",
3164                  scp, code);
3165         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
3166         RDR_SetFileStatus( &scp->fid, status);
3167         return FALSE;
3168     }
3169
3170     /* Allocate the extents from the buffer package */
3171     for ( count = 0,
3172           ByteOffset = BeginOffset = RequestExtentsCB->ByteOffset,
3173           EndOffset.QuadPart = ByteOffset.QuadPart + RequestExtentsCB->Length;
3174           code == 0 && ByteOffset.QuadPart < EndOffset.QuadPart;
3175           ByteOffset.QuadPart += cm_data.blockSize)
3176     {
3177         BOOL bHaveBuffer = FALSE;
3178
3179         QueueLength = 0;
3180         thyper.QuadPart = ByteOffset.QuadPart;
3181
3182         code = buf_Get(scp, &thyper, &req, &bufp);
3183         if (code == 0) {
3184             lock_ObtainMutex(&bufp->mx);
3185             bBufRelease = TRUE;
3186
3187             if (bufp->qFlags & CM_BUF_QREDIR) {
3188                 bHaveBuffer = TRUE;
3189             } else if (bufp->flags & CM_BUF_DIRTY) {
3190                 bHaveBuffer = FALSE;
3191 #if 0
3192                 code = buf_CleanAsyncLocked(scp, bufp, &req, 0, NULL);
3193                 switch (code) {
3194                 case 0:
3195                     bHaveBuffer = TRUE;
3196                     break;
3197                 case CM_ERROR_RETRY:
3198                     /* Couldn't flush it, obtain it asynchronously so we don't block the thread. */
3199                     bHaveBuffer = FALSE;
3200                     code = 0;
3201                     break;
3202                 default:
3203                     smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
3204                     RDR_SetFileStatus(&FileId, status);
3205                     bHaveBuffer = FALSE;
3206                     code = 0;
3207                 }
3208 #endif
3209             } else {
3210                 osi_hyper_t minLength;  /* effective end of file */
3211
3212                 lock_ObtainRead(&scp->rw);
3213                 bHaveBuffer = cm_HaveBuffer(scp, bufp, TRUE);
3214
3215                 if (LargeIntegerGreaterThan(scp->length, scp->serverLength))
3216                     minLength = scp->serverLength;
3217                 else
3218                     minLength = scp->length;
3219
3220                 if (!bHaveBuffer &&
3221                     LargeIntegerGreaterThanOrEqualTo(bufp->offset, minLength)) {
3222                     memset(bufp->datap, 0, cm_data.buf_blockSize);
3223                     bufp->dataVersion = scp->dataVersion;
3224                     bHaveBuffer = TRUE;
3225                 }
3226                 else if ((RequestExtentsCB->Flags & AFS_EXTENT_FLAG_CLEAN) &&
3227                          ByteOffset.QuadPart <= bufp->offset.QuadPart &&
3228                          EndOffset.QuadPart >= bufp->offset.QuadPart + cm_data.blockSize)
3229                 {
3230                     memset(bufp->datap, 0, cm_data.blockSize);
3231                     bufp->dataVersion = scp->dataVersion;
3232                     buf_SetDirty(bufp, &req, 0, cm_data.blockSize, userp);
3233                     bHaveBuffer = TRUE;
3234                 }
3235                 lock_ReleaseRead(&scp->rw);
3236             }
3237
3238             /*
3239              * if this buffer is already up to date, skip it.
3240              */
3241             if (bHaveBuffer) {
3242                 if (ByteOffset.QuadPart == BeginOffset.QuadPart) {
3243                     BeginOffset.QuadPart += cm_data.blockSize;
3244                 } else {
3245                     QueueLength = (afs_uint32)(ByteOffset.QuadPart - BeginOffset.QuadPart);
3246                     QueueOffset = BeginOffset;
3247                     BeginOffset = ByteOffset;
3248                 }
3249
3250                 if (!(bufp->qFlags & CM_BUF_QREDIR)) {
3251 #ifdef VALIDATE_CHECK_SUM
3252 #ifdef ODS_DEBUG
3253                     char md5dbg[33];
3254                     char dbgstr[1024];
3255 #endif
3256 #endif
3257                     lock_ObtainWrite(&buf_globalLock);
3258                     if (!(bufp->qFlags & CM_BUF_QREDIR)) {
3259                         buf_InsertToRedirQueue(scp, bufp);
3260                         lock_ReleaseWrite(&buf_globalLock);
3261
3262 #ifdef VALIDATE_CHECK_SUM
3263                         buf_ComputeCheckSum(bufp);
3264 #endif
3265                         /* we already have the buffer, return it now */
3266                         pResultCB->FileExtents[count].Flags = 0;
3267                         pResultCB->FileExtents[count].FileOffset = ByteOffset;
3268                         pResultCB->FileExtents[count].CacheOffset.QuadPart = bufp->datap - RDR_extentBaseAddress;
3269                         pResultCB->FileExtents[count].Length = cm_data.blockSize;
3270                         count++;
3271
3272                         bBufRelease = FALSE;
3273
3274 #ifdef VALIDATE_CHECK_SUM
3275 #ifdef ODS_DEBUG
3276                         HexCheckSum(md5dbg, sizeof(md5dbg), bufp->md5cksum);
3277                         snprintf( dbgstr, 1024,
3278                                   "RDR_RequestFileExtentsAsync md5 %s vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
3279                                   md5dbg,
3280                                   scp->fid.volume, scp->fid.vnode, scp->fid.unique,
3281                                   pResultCB->FileExtents[count].FileOffset.HighPart,
3282                                   pResultCB->FileExtents[count].FileOffset.LowPart,
3283                                   pResultCB->FileExtents[count].CacheOffset.HighPart,
3284                                   pResultCB->FileExtents[count].CacheOffset.LowPart);
3285                         OutputDebugStringA( dbgstr);
3286 #endif
3287 #endif
3288                         osi_Log4(afsd_logp, "RDR_RequestFileExtentsAsync Extent2FS bufp 0x%p foffset 0x%p coffset 0x%p len 0x%x",
3289                                  bufp, ByteOffset.QuadPart, bufp->datap - RDR_extentBaseAddress, cm_data.blockSize);
3290                     } else {
3291                         lock_ReleaseWrite(&buf_globalLock);
3292                     }
3293                 } else {
3294                     if (bBufRelease) {
3295                         /*
3296                          * The service is not handing off the extent to the redirector in this pass.
3297                          * However, we know the buffer is in recent use so move the buffer to the
3298                          * front of the queue
3299                          */
3300                         lock_ObtainWrite(&buf_globalLock);
3301                         buf_MoveToHeadOfRedirQueue(scp, bufp);
3302                         lock_ReleaseWrite(&buf_globalLock);
3303
3304                         osi_Log4(afsd_logp, "RDR_RequestFileExtentsAsync Extent2FS Already held by Redirector bufp 0x%p foffset 0x%p coffset 0x%p len 0x%x",
3305                                  bufp, ByteOffset.QuadPart, bufp->datap - RDR_extentBaseAddress, cm_data.blockSize);
3306                     }
3307                 }
3308             }
3309             lock_ReleaseMutex(&bufp->mx);
3310             if (bBufRelease)
3311                 buf_Release(bufp);
3312
3313             if (QueueLength) {
3314                 cm_QueueBKGRequest(scp, RDR_BkgFetch, QueueOffset.LowPart, QueueOffset.HighPart,
3315                                    QueueLength, 0, userp, &req);
3316                 osi_Log3(afsd_logp, "RDR_RequestFileExtentsAsync Queued a Background Fetch offset 0x%x:%x length 0x%x",
3317                          QueueOffset.HighPart, QueueOffset.LowPart, QueueLength);
3318             }
3319         } else {
3320             /* No error from buf_Get() can be fatal */
3321             osi_Log3(afsd_logp, "RDR_RequestFileExtentsAsync buf_Get FAILURE offset 0x%x:%x code 0x%x",
3322                      BeginOffset.HighPart, BeginOffset.LowPart, code);
3323         }
3324     }
3325
3326     if (BeginOffset.QuadPart != EndOffset.QuadPart) {
3327         afs_uint32 length = (afs_uint32)(EndOffset.QuadPart - BeginOffset.QuadPart);
3328
3329         cm_QueueBKGRequest(scp, RDR_BkgFetch, BeginOffset.LowPart, BeginOffset.HighPart,
3330                            length, 0, userp, &req);
3331         osi_Log3(afsd_logp, "RDR_RequestFileExtentsAsync Queued a Background Fetch offset 0x%x:%x length 0x%x",
3332                   BeginOffset.HighPart, BeginOffset.LowPart, length);
3333     }
3334     cm_ReleaseSCache(scp);
3335
3336     (*ResultCB)->ExtentCount = count;
3337     osi_Log1(afsd_logp, "RDR_RequestFileExtentsAsync replying with 0x%x extent records", count);
3338     return FALSE;
3339 }
3340
3341 /*
3342  * When processing an extent release the extents must be accepted back by
3343  * the service even if there is an error condition returned to the redirector.
3344  * For example, there may no longer be a callback present or the file may
3345  * have been deleted on the file server.  Regardless, the extents must be
3346  * put back into the pool.
3347  */
3348 void
3349 RDR_ReleaseFileExtents( IN cm_user_t *userp,
3350                         IN AFSFileID FileId,
3351                         IN AFSReleaseExtentsCB *ReleaseExtentsCB,
3352                         IN BOOL bWow64,
3353                         IN DWORD ResultBufferLength,
3354                         IN OUT AFSCommResult **ResultCB)
3355 {
3356     DWORD count;
3357     cm_scache_t *scp = NULL;
3358     cm_fid_t    Fid;
3359     cm_buf_t    *bufp;
3360     afs_uint32  code;
3361     osi_hyper_t thyper;
3362     cm_req_t    req;
3363     int         dirty = 0;
3364     int         released = 0;
3365     DWORD       status;
3366 #ifdef ODS_DEBUG
3367 #ifdef VALIDATE_CHECK_SUM
3368     char md5dbg[33], md5dbg2[33], md5dbg3[33];
3369 #endif
3370     char dbgstr[1024];
3371 #endif
3372
3373     RDR_InitReq(&req);
3374     if ( bWow64 )
3375         req.flags |= CM_REQ_WOW64;
3376
3377     osi_Log4(afsd_logp, "RDR_ReleaseFileExtents File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
3378               FileId.Cell, FileId.Volume,
3379               FileId.Vnode, FileId.Unique);
3380
3381     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult));
3382     if (!(*ResultCB))
3383         return;
3384
3385     memset( *ResultCB,
3386             '\0',
3387             sizeof( AFSCommResult));
3388
3389     /* Process the release */
3390     Fid.cell = FileId.Cell;
3391     Fid.volume = FileId.Volume;
3392     Fid.vnode = FileId.Vnode;
3393     Fid.unique = FileId.Unique;
3394     Fid.hash = FileId.Hash;
3395
3396     code = cm_GetSCache(&Fid, &scp, userp, &req);
3397     if (code) {
3398         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
3399         (*ResultCB)->ResultStatus = status;
3400         osi_Log2(afsd_logp, "RDR_ReleaseFileExtents cm_GetSCache FID failure code=0x%x status=0x%x",
3401                   code, status);
3402     }
3403
3404     /*
3405      * We do not stop processing as a result of being unable to find the cm_scache object.
3406      * If this occurs something really bad has happened since the cm_scache object must have
3407      * been recycled while extents were held by the redirector.  However, we will be resilient
3408      * and carry on without it.
3409      */
3410     if (scp && ReleaseExtentsCB->AllocationSize.QuadPart != scp->length.QuadPart) {
3411         cm_attr_t setAttr;
3412
3413         memset(&setAttr, 0, sizeof(cm_attr_t));
3414         lock_ObtainWrite(&scp->rw);
3415         if (ReleaseExtentsCB->AllocationSize.QuadPart != scp->length.QuadPart) {
3416
3417             osi_Log4(afsd_logp, "RDR_ReleaseFileExtents new length fid vol 0x%x vno 0x%x length 0x%x:%x",
3418                       scp->fid.volume, scp->fid.vnode,
3419                       ReleaseExtentsCB->AllocationSize.HighPart,
3420                       ReleaseExtentsCB->AllocationSize.LowPart);
3421
3422             setAttr.mask |= CM_ATTRMASK_LENGTH;
3423             setAttr.length.LowPart = ReleaseExtentsCB->AllocationSize.LowPart;
3424             setAttr.length.HighPart = ReleaseExtentsCB->AllocationSize.HighPart;
3425         }
3426         lock_ReleaseWrite(&scp->rw);
3427         if (setAttr.mask)
3428             code = cm_SetAttr(scp, &setAttr, userp, &req);
3429     }
3430
3431     for ( count = 0; count < ReleaseExtentsCB->ExtentCount; count++) {
3432         AFSFileExtentCB * pExtent = &ReleaseExtentsCB->FileExtents[count];
3433
3434         thyper.QuadPart = pExtent->FileOffset.QuadPart;
3435
3436         bufp = buf_Find(&Fid, &thyper);
3437         if (bufp) {
3438             if (pExtent->Flags & AFS_EXTENT_FLAG_UNKNOWN) {
3439                 if (!(bufp->qFlags & CM_BUF_QREDIR)) {
3440                     osi_Log4(afsd_logp, "RDR_ReleaseFileExtents extent vol 0x%x vno 0x%x foffset 0x%x:%x",
3441                               Fid.volume, Fid.vnode,
3442                               pExtent->FileOffset.HighPart,
3443                               pExtent->FileOffset.LowPart);
3444                     osi_Log2(afsd_logp, "... coffset 0x%x:%x UNKNOWN to redirector; previously released",
3445                               pExtent->CacheOffset.HighPart,
3446                               pExtent->CacheOffset.LowPart);
3447                 } else {
3448                     osi_Log4(afsd_logp, "RDR_ReleaseFileExtents extent vol 0x%x vno 0x%x foffset 0x%x:%x",
3449                               Fid.volume, Fid.vnode,
3450                               pExtent->FileOffset.HighPart,
3451                               pExtent->FileOffset.LowPart);
3452                     osi_Log2(afsd_logp, "... coffset 0x%x:%x UNKNOWN to redirector; owned by redirector",
3453                               pExtent->CacheOffset.HighPart,
3454                               pExtent->CacheOffset.LowPart);
3455                 }
3456                 buf_Release(bufp);
3457                 continue;
3458             }
3459
3460             if (pExtent->Flags & AFS_EXTENT_FLAG_IN_USE) {
3461                 osi_Log4(afsd_logp, "RDR_ReleaseFileExtents extent vol 0x%x vno 0x%x foffset 0x%x:%x",
3462                           Fid.volume, Fid.vnode,
3463                           pExtent->FileOffset.HighPart,
3464                           pExtent->FileOffset.LowPart);
3465                 osi_Log2(afsd_logp, "... coffset 0x%x:%x IN_USE by file system",
3466                           pExtent->CacheOffset.HighPart,
3467                           pExtent->CacheOffset.LowPart);
3468
3469                 /* Move the buffer to the front of the queue */
3470                 lock_ObtainWrite(&buf_globalLock);
3471                 buf_MoveToHeadOfRedirQueue(scp, bufp);
3472                 lock_ReleaseWrite(&buf_globalLock);
3473                 buf_Release(bufp);
3474                 continue;
3475             }
3476
3477             if (bufp->datap - RDR_extentBaseAddress == pExtent->CacheOffset.QuadPart) {
3478                 if (!(bufp->qFlags & CM_BUF_QREDIR)) {
3479                     osi_Log4(afsd_logp, "RDR_ReleaseFileExtents extent vol 0x%x vno 0x%x foffset 0x%x:%x not held by file system",
3480                              Fid.volume, Fid.vnode, pExtent->FileOffset.HighPart,
3481                              pExtent->FileOffset.LowPart);
3482                     osi_Log2(afsd_logp, "... coffset 0x%x:%x",
3483                              pExtent->CacheOffset.HighPart,
3484                              pExtent->CacheOffset.LowPart);
3485                 } else {
3486                     osi_Log4(afsd_logp, "RDR_ReleaseFileExtents bufp 0x%p vno 0x%x foffset 0x%x:%x",
3487                               bufp, bufp->fid.vnode, pExtent->FileOffset.HighPart,
3488                               pExtent->FileOffset.LowPart);
3489                     osi_Log2(afsd_logp, "... coffset 0x%x:%x",
3490                              pExtent->CacheOffset.HighPart,
3491                              pExtent->CacheOffset.LowPart);
3492
3493                     if (pExtent->Flags || ReleaseExtentsCB->Flags) {
3494                         lock_ObtainMutex(&bufp->mx);
3495                         if ( (ReleaseExtentsCB->Flags & AFS_EXTENT_FLAG_RELEASE) ||
3496                              (pExtent->Flags & AFS_EXTENT_FLAG_RELEASE) )
3497                         {
3498                             if (bufp->qFlags & CM_BUF_QREDIR) {
3499                                 lock_ObtainWrite(&buf_globalLock);
3500                                 if (bufp->qFlags & CM_BUF_QREDIR) {
3501                                     buf_RemoveFromRedirQueue(scp, bufp);
3502                                     buf_ReleaseLocked(bufp, TRUE);
3503                                 }
3504                                 lock_ReleaseWrite(&buf_globalLock);
3505                             }
3506 #ifdef ODS_DEBUG
3507                             snprintf( dbgstr, 1024,
3508                                       "RDR_ReleaseFileExtents releasing: vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
3509                                       Fid.volume, Fid.vnode, Fid.unique,
3510                                       pExtent->FileOffset.HighPart,
3511                                       pExtent->FileOffset.LowPart,
3512                                       pExtent->CacheOffset.HighPart,
3513                                       pExtent->CacheOffset.LowPart);
3514                             OutputDebugStringA( dbgstr);
3515 #endif
3516                             released++;
3517                         } else {
3518 #ifdef ODS_DEBUG
3519                             snprintf( dbgstr, 1024,
3520                                       "RDR_ReleaseFileExtents not releasing: vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
3521                                       Fid.volume, Fid.vnode, Fid.unique,
3522                                       pExtent->FileOffset.HighPart,
3523                                       pExtent->FileOffset.LowPart,
3524                                       pExtent->CacheOffset.HighPart,
3525                                       pExtent->CacheOffset.LowPart);
3526                             OutputDebugStringA( dbgstr);
3527 #endif
3528                             osi_Log4( afsd_logp, "RDR_ReleaseFileExtents not releasing vol 0x%x vno 0x%x foffset 0x%x:%x",
3529                                       Fid.volume, Fid.vnode,
3530                                       pExtent->FileOffset.HighPart,
3531                                       pExtent->FileOffset.LowPart);
3532                             osi_Log2( afsd_logp, "... coffset 0x%x:%x",
3533                                       pExtent->CacheOffset.HighPart,
3534                                       pExtent->CacheOffset.LowPart);
3535                         }
3536
3537                         if ( (ReleaseExtentsCB->Flags & AFS_EXTENT_FLAG_DIRTY) ||
3538                              (pExtent->Flags & AFS_EXTENT_FLAG_DIRTY) )
3539                         {
3540 #ifdef VALIDATE_CHECK_SUM
3541 #ifdef ODS_DEBUG
3542                             HexCheckSum(md5dbg, sizeof(md5dbg), bufp->md5cksum);
3543 #endif
3544
3545                             /*
3546                              * if the saved checksum matches the checksum of the current state of the buffer
3547                              * then the buffer is the same as what was given to the kernel.
3548                              */
3549                             if ( buf_ValidateCheckSum(bufp) ) {
3550                                 buf_ComputeCheckSum(bufp);
3551
3552                                 if (pExtent->Flags & AFS_EXTENT_FLAG_MD5_SET)
3553                                 {
3554 #ifdef ODS_DEBUG
3555                                     HexCheckSum(md5dbg2, sizeof(md5dbg2), pExtent->MD5);
3556                                     HexCheckSum(md5dbg3, sizeof(md5dbg3), bufp->md5cksum);
3557 #endif
3558                                     if (memcmp(bufp->md5cksum, pExtent->MD5, 16))
3559                                     {
3560 #ifdef ODS_DEBUG
3561                                         snprintf( dbgstr, 1024,
3562                                                   "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",
3563                                                   md5dbg, md5dbg2,md5dbg3,
3564                                                   Fid.volume, Fid.vnode, Fid.unique,
3565                                                   pExtent->FileOffset.HighPart,
3566                                                   pExtent->FileOffset.LowPart,
3567                                                   pExtent->CacheOffset.HighPart,
3568                                                   pExtent->CacheOffset.LowPart);
3569                                         OutputDebugStringA( dbgstr);
3570 #endif
3571                                         osi_Log4( afsd_logp, "RDR_ReleaseFileExtents dirty flag set and checksums do not match! vol 0x%x vno 0x%x foffset 0x%x:%x",
3572                                                   Fid.volume, Fid.vnode,
3573                                                   pExtent->FileOffset.HighPart,
3574                                                   pExtent->FileOffset.LowPart);
3575                                         osi_Log2( afsd_logp, "... coffset 0x%x:%x",
3576                                                   pExtent->CacheOffset.HighPart,
3577                                                   pExtent->CacheOffset.LowPart);
3578                                         buf_SetDirty(bufp, &req, pExtent->DirtyOffset, pExtent->DirtyLength, userp);
3579                                         dirty++;
3580                                     } else {
3581 #ifdef ODS_DEBUG
3582                                         snprintf( dbgstr, 1024,
3583                                                   "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",
3584                                                   md5dbg, md5dbg2, md5dbg3,
3585                                                   Fid.volume, Fid.vnode, Fid.unique,
3586                                                   pExtent->FileOffset.HighPart,
3587                                                   pExtent->FileOffset.LowPart,
3588                                                   pExtent->CacheOffset.HighPart,
3589                                                   pExtent->CacheOffset.LowPart);
3590                                         OutputDebugStringA( dbgstr);
3591 #endif
3592                                         osi_Log4( afsd_logp, "RDR_ReleaseFileExtents dirty flag set but extent has not changed vol 0x%x vno 0x%x foffset 0x%x:%x",
3593                                                   Fid.volume, Fid.vnode,
3594                                                   pExtent->FileOffset.HighPart,
3595                                                   pExtent->FileOffset.LowPart);
3596                                         osi_Log2( afsd_logp, "... coffset 0x%x:%x",
3597                                                   pExtent->CacheOffset.HighPart,
3598                                                   pExtent->CacheOffset.LowPart);
3599                                     }
3600                                 } else {
3601 #ifdef ODS_DEBUG
3602                                         snprintf( dbgstr, 1024,
3603                                                   "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",
3604                                                   Fid.volume, Fid.vnode, Fid.unique,
3605                                                   pExtent->FileOffset.HighPart,
3606                                                   pExtent->FileOffset.LowPart,
3607                                                   pExtent->CacheOffset.HighPart,
3608                                                   pExtent->CacheOffset.LowPart);
3609                                         OutputDebugStringA( dbgstr);
3610 #endif
3611                                         osi_Log4( afsd_logp, "RDR_ReleaseFileExtents dirty flag set but extent has not changed vol 0x%x vno 0x%x foffset 0x%x:%x",
3612                                                   Fid.volume, Fid.vnode,
3613                                                   pExtent->FileOffset.HighPart,
3614                                                   pExtent->FileOffset.LowPart);
3615                                         osi_Log2( afsd_logp, "... coffset 0x%x:%x",
3616                                                   pExtent->CacheOffset.HighPart,
3617                                                   pExtent->CacheOffset.LowPart);
3618                                 }
3619                             } else {
3620                                 buf_ComputeCheckSum(bufp);
3621 #ifdef ODS_DEBUG
3622                                 if (pExtent->Flags & AFS_EXTENT_FLAG_MD5_SET)
3623                                 {
3624                                     HexCheckSum(md5dbg3, sizeof(md5dbg3), bufp->md5cksum);
3625                                     if (memcmp(bufp->md5cksum, pExtent->MD5, 16))
3626                                     {
3627                                         snprintf( dbgstr, 1024,
3628                                                   "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",
3629                                                   md5dbg, md5dbg2,md5dbg3,
3630                                                   Fid.volume, Fid.vnode, Fid.unique,
3631                                                   pExtent->FileOffset.HighPart,
3632                                                   pExtent->FileOffset.LowPart,
3633                                                   pExtent->CacheOffset.HighPart,
3634                                                   pExtent->CacheOffset.LowPart);
3635                                         OutputDebugStringA( dbgstr);
3636                                     } else {
3637                                         snprintf( dbgstr, 1024,
3638                                                   "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",
3639                                                   md5dbg, md5dbg2,md5dbg3,
3640                                                   Fid.volume, Fid.vnode, Fid.unique,
3641                                                   pExtent->FileOffset.HighPart,
3642                                                   pExtent->FileOffset.LowPart,
3643                                                   pExtent->CacheOffset.HighPart,
3644                                                   pExtent->CacheOffset.LowPart);
3645                                         OutputDebugStringA( dbgstr);
3646                                     }
3647                                 } else {
3648                                     snprintf( dbgstr, 1024,
3649                                               "RDR_ReleaseFileExtents dirty flag set: vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
3650                                               Fid.volume, Fid.vnode, Fid.unique,
3651                                               pExtent->FileOffset.HighPart,
3652                                               pExtent->FileOffset.LowPart,
3653                                               pExtent->CacheOffset.HighPart,
3654                                               pExtent->CacheOffset.LowPart);
3655                                     OutputDebugStringA( dbgstr);
3656                                 }
3657 #endif
3658                                 buf_SetDirty(bufp, &req, pExtent->DirtyOffset, pExtent->DirtyLength, userp);
3659                                 dirty++;
3660                             }
3661 #else /* !VALIDATE_CHECK_SUM */
3662                             buf_SetDirty(bufp, &req, pExtent->DirtyOffset, pExtent->DirtyLength, userp);
3663                             dirty++;
3664 #endif /* VALIDATE_CHECK_SUM */
3665                         }
3666 #ifdef VALIDATE_CHECK_SUM
3667                         else {
3668 #ifdef ODS_DEBUG
3669                             HexCheckSum(md5dbg, sizeof(md5dbg), bufp->md5cksum);
3670 #endif
3671                             if ( !buf_ValidateCheckSum(bufp) ) {
3672                                 buf_ComputeCheckSum(bufp);
3673 #ifdef ODS_DEBUG
3674                                 HexCheckSum(md5dbg3, sizeof(md5dbg2), bufp->md5cksum);
3675                                 snprintf( dbgstr, 1024,
3676                                           "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",
3677                                           md5dbg, md5dbg3,
3678                                           Fid.volume, Fid.vnode, Fid.unique,
3679                                           pExtent->FileOffset.HighPart,
3680                                           pExtent->FileOffset.LowPart,
3681                                           pExtent->CacheOffset.HighPart,
3682                                           pExtent->CacheOffset.LowPart);
3683                                 OutputDebugStringA( dbgstr);
3684 #endif
3685                                 osi_Log4( afsd_logp, "RDR_ReleaseFileExtents dirty flag not set but extent has changed vol 0x%x vno 0x%x foffset 0x%x:%x",
3686                                           Fid.volume, Fid.vnode,
3687                                           pExtent->FileOffset.HighPart,
3688                                           pExtent->FileOffset.LowPart);
3689                                 osi_Log2( afsd_logp, "... coffset 0x%x:%x",
3690                                           pExtent->CacheOffset.HighPart,
3691                                           pExtent->CacheOffset.LowPart);
3692                                 buf_SetDirty(bufp, &req, pExtent->DirtyOffset, pExtent->DirtyLength, userp);
3693                                 dirty++;
3694                             } else {
3695                                 buf_ComputeCheckSum(bufp);
3696 #ifdef ODS_DEBUG
3697                                 HexCheckSum(md5dbg3, sizeof(md5dbg2), bufp->md5cksum);
3698                                 snprintf( dbgstr, 1024,
3699                                           "RDR_ReleaseFileExtents dirty flag not set: vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
3700                                           Fid.volume, Fid.vnode, Fid.unique,
3701                                           pExtent->FileOffset.HighPart,
3702                                           pExtent->FileOffset.LowPart,
3703                                           pExtent->CacheOffset.HighPart,
3704                                           pExtent->CacheOffset.LowPart);
3705                                 OutputDebugStringA( dbgstr);
3706 #endif
3707                                 osi_Log4( afsd_logp, "RDR_ReleaseFileExtents dirty flag not set: vol 0x%x vno 0x%x foffset 0x%x:%x",
3708                                           Fid.volume, Fid.vnode,
3709                                           pExtent->FileOffset.HighPart,
3710                                           pExtent->FileOffset.LowPart);
3711                                 osi_Log2( afsd_logp, "... coffset 0x%x:%x",
3712                                           pExtent->CacheOffset.HighPart,
3713                                           pExtent->CacheOffset.LowPart);
3714                             }
3715                         }
3716 #endif /* VALIDATE_CHECK_SUM */
3717                         lock_ReleaseMutex(&bufp->mx);
3718                     }
3719                 }
3720             }
3721             else {
3722                 char * datap = RDR_extentBaseAddress + pExtent->CacheOffset.QuadPart;
3723                 cm_buf_t *wbp;
3724
3725                 for (wbp = cm_data.buf_allp; wbp; wbp = wbp->allp) {
3726                     if (wbp->datap == datap)
3727                         break;
3728                 }
3729
3730 #ifdef ODS_DEBUG
3731                 snprintf( dbgstr, 1024,
3732                           "RDR_ReleaseFileExtents non-matching extent vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
3733                           Fid.volume, Fid.vnode, Fid.unique,
3734                           pExtent->FileOffset.HighPart,
3735                           pExtent->FileOffset.LowPart,
3736                           pExtent->CacheOffset.HighPart,
3737                           pExtent->CacheOffset.LowPart);
3738                 OutputDebugStringA( dbgstr);
3739 #endif
3740                 osi_Log4( afsd_logp, "RDR_ReleaseFileExtents non-matching extent vol 0x%x vno 0x%x foffset 0x%x:%x",
3741                           Fid.volume, Fid.vnode,
3742                           pExtent->FileOffset.HighPart,
3743                           pExtent->FileOffset.LowPart);
3744                 osi_Log2( afsd_logp, "... coffset 0x%x:%x",
3745                           pExtent->CacheOffset.HighPart,
3746                           pExtent->CacheOffset.LowPart);
3747                 osi_Log5( afsd_logp, "... belongs to bp 0x%p vol 0x%x vno 0x%x foffset 0x%x:%x",
3748                           wbp, wbp->fid.volume, wbp->fid.vnode, wbp->offset.HighPart, wbp->offset.LowPart);
3749 #ifdef DEBUG
3750                 DebugBreak();
3751 #endif
3752             }
3753             buf_Release(bufp);
3754         }
3755         else {
3756             char * datap = RDR_extentBaseAddress + pExtent->CacheOffset.QuadPart;
3757             cm_buf_t *wbp;
3758
3759             for (wbp = cm_data.buf_allp; wbp; wbp = wbp->allp) {
3760                 if (wbp->datap == datap)
3761                     break;
3762             }
3763
3764 #ifdef ODS_DEBUG
3765             snprintf( dbgstr, 1024,
3766                       "RDR_ReleaseFileExtents unknown extent vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
3767                       Fid.volume, Fid.vnode, Fid.unique,
3768                       pExtent->FileOffset.HighPart,
3769                       pExtent->FileOffset.LowPart,
3770                       pExtent->CacheOffset.HighPart,
3771                       pExtent->CacheOffset.LowPart);
3772             OutputDebugStringA( dbgstr);
3773 #endif
3774             osi_Log4( afsd_logp, "RDR_ReleaseFileExtents unknown extent vol 0x%x vno 0x%x foffset 0x%x:%x",
3775                       Fid.volume, Fid.vnode,
3776                       pExtent->FileOffset.HighPart,
3777                       pExtent->FileOffset.LowPart);
3778             osi_Log2( afsd_logp, "... coffset 0x%x:%x",
3779                       pExtent->CacheOffset.HighPart,
3780                       pExtent->CacheOffset.LowPart);
3781             osi_Log5( afsd_logp, "... belongs to bp 0x%p vol 0x%x vno 0x%x foffset 0x%x:%x",
3782                       wbp, wbp->fid.volume, wbp->fid.vnode, wbp->offset.HighPart, wbp->offset.LowPart);
3783         }
3784     }
3785
3786     if (scp) {
3787         if (ReleaseExtentsCB->Flags & AFS_EXTENT_FLAG_FLUSH) {
3788             code = buf_CleanVnode(scp, userp, &req);
3789         }
3790         else if (dirty) {
3791             osi_hyper_t offset = {0,0};
3792             afs_uint32  length = 0;
3793             afs_uint32  rights = 0;
3794
3795             lock_ObtainWrite(&scp->rw);
3796             code = cm_SyncOp(scp, NULL, userp, &req, PRSFS_WRITE,
3797                              CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
3798             lock_ReleaseWrite(&scp->rw);
3799             if (code == 0) {
3800                 /*
3801                  * there is at least one dirty extent on this file.  queue up background store
3802                  * requests for contiguous blocks
3803                  */
3804                 for ( count = 0; count < ReleaseExtentsCB->ExtentCount; count++) {
3805                     if (ReleaseExtentsCB->FileExtents[count].FileOffset.QuadPart == offset.QuadPart + length &&
3806                          length + cm_data.buf_blockSize <= cm_chunkSize)
3807                     {
3808                         length += cm_data.buf_blockSize;
3809                     } else {
3810                         if (!(offset.QuadPart == 0 && length == 0))
3811                             cm_QueueBKGRequest(scp, cm_BkgStore, offset.LowPart, offset.HighPart,
3812                                                 length, 0, userp, &req);
3813                         offset.QuadPart = ReleaseExtentsCB->FileExtents[count].FileOffset.QuadPart;
3814                         length = cm_data.buf_blockSize;
3815                     }
3816                 }
3817                 cm_QueueBKGRequest(scp, cm_BkgStore, offset.LowPart, offset.HighPart,
3818                                    length, 0, userp, &req);
3819             }
3820         }
3821         cm_ReleaseSCache(scp);
3822     }
3823
3824     osi_Log5(afsd_logp, "RDR_ReleaseFileExtents File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x Released %d",
3825               FileId.Cell, FileId.Volume,
3826               FileId.Vnode, FileId.Unique, released);
3827     if (code && code != CM_ERROR_WOULDBLOCK) {
3828         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
3829         (*ResultCB)->ResultStatus = status;
3830         osi_Log2(afsd_logp, "RDR_ReleaseFileExtents FAILURE code=0x%x status=0x%x",
3831                   code, status);
3832     } else {
3833         (*ResultCB)->ResultStatus = 0;
3834         osi_Log0(afsd_logp, "RDR_ReleaseFileExtents SUCCESS");
3835     }
3836     (*ResultCB)->ResultBufferLength = 0;
3837
3838     return;
3839 }
3840
3841 DWORD
3842 RDR_ProcessReleaseFileExtentsResult( IN AFSReleaseFileExtentsResultCB *ReleaseFileExtentsResultCB,
3843                                      IN DWORD ResultBufferLength)
3844 {
3845     afs_uint32  code = 0;
3846     cm_req_t    req;
3847     osi_hyper_t thyper;
3848     cm_buf_t    *bufp;
3849     unsigned int fileno, extentno, total_extents = 0;
3850     AFSReleaseFileExtentsResultFileCB *pNextFileCB;
3851 #ifdef ODS_DEBUG
3852 #ifdef VALIDATE_CHECK_SUM
3853     char md5dbg[33], md5dbg2[33], md5dbg3[33];
3854 #endif
3855     char dbgstr[1024];
3856 #endif
3857     RDR_InitReq(&req);
3858
3859     for ( fileno = 0, pNextFileCB = &ReleaseFileExtentsResultCB->Files[0];
3860           fileno < ReleaseFileExtentsResultCB->FileCount;
3861           fileno++ ) {
3862         AFSReleaseFileExtentsResultFileCB *pFileCB = pNextFileCB;
3863         cm_user_t       *userp = NULL;
3864         cm_fid_t         Fid;
3865         cm_scache_t *    scp = NULL;
3866         int              dirty = 0;
3867         int              released = 0;
3868         char * p;
3869
3870         userp = RDR_UserFromAuthGroup( &pFileCB->AuthGroup);
3871
3872         osi_Log4(afsd_logp, "RDR_ProcessReleaseFileExtentsResult %d.%d.%d.%d",
3873                   pFileCB->FileId.Cell, pFileCB->FileId.Volume,
3874                   pFileCB->FileId.Vnode, pFileCB->FileId.Unique);
3875
3876         /* Process the release */
3877         Fid.cell = pFileCB->FileId.Cell;
3878         Fid.volume = pFileCB->FileId.Volume;
3879         Fid.vnode = pFileCB->FileId.Vnode;
3880         Fid.unique = pFileCB->FileId.Unique;
3881         Fid.hash = pFileCB->FileId.Hash;
3882
3883         if (Fid.cell == 0) {
3884             osi_Log4(afsd_logp, "RDR_ProcessReleaseFileExtentsResult Invalid FID %d.%d.%d.%d",
3885                      Fid.cell, Fid.volume, Fid.vnode, Fid.unique);
3886             code = CM_ERROR_INVAL;
3887             goto cleanup_file;
3888         }
3889
3890         code = cm_GetSCache(&Fid, &scp, userp, &req);
3891         if (code) {
3892             osi_Log1(afsd_logp, "RDR_ProcessReleaseFileExtentsResult cm_GetSCache FID failure code=0x%x",
3893                      code);
3894             /*
3895              * A failure to find the cm_scache object cannot prevent the service
3896              * from accepting the extents back from the redirector.
3897              */
3898         }
3899
3900         /* if the scp was not found, do not perform the length check */
3901         if (scp && (pFileCB->AllocationSize.QuadPart != scp->length.QuadPart)) {
3902             cm_attr_t setAttr;
3903
3904             memset(&setAttr, 0, sizeof(cm_attr_t));
3905             lock_ObtainWrite(&scp->rw);
3906             if (pFileCB->AllocationSize.QuadPart != scp->length.QuadPart) {
3907                 osi_Log4(afsd_logp, "RDR_ReleaseFileExtentsResult length change vol 0x%x vno 0x%x length 0x%x:%x",
3908                           scp->fid.volume, scp->fid.vnode,
3909                           pFileCB->AllocationSize.HighPart,
3910                           pFileCB->AllocationSize.LowPart);
3911                 setAttr.mask |= CM_ATTRMASK_LENGTH;
3912                 setAttr.length.LowPart = pFileCB->AllocationSize.LowPart;
3913                 setAttr.length.HighPart = pFileCB->AllocationSize.HighPart;
3914             }
3915             lock_ReleaseWrite(&scp->rw);
3916             if (setAttr.mask)
3917                 code = cm_SetAttr(scp, &setAttr, userp, &req);
3918         }
3919
3920         for ( extentno = 0; extentno < pFileCB->ExtentCount; total_extents++, extentno++ ) {
3921             AFSFileExtentCB *pExtent = &pFileCB->FileExtents[extentno];
3922
3923             thyper.QuadPart = pExtent->FileOffset.QuadPart;
3924
3925             bufp = buf_Find(&Fid, &thyper);
3926             if (bufp) {
3927                 if (pExtent->Flags & AFS_EXTENT_FLAG_UNKNOWN) {
3928                     if (!(bufp->qFlags & CM_BUF_QREDIR)) {
3929                         osi_Log4(afsd_logp, "RDR_ReleaseFileExtentsResult extent vol 0x%x vno 0x%x foffset 0x%x:%x",
3930                                  Fid.volume, Fid.vnode,
3931                                  pExtent->FileOffset.HighPart,
3932                                  pExtent->FileOffset.LowPart);
3933                         osi_Log2(afsd_logp, "... coffset 0x%x:%x UNKNOWN to redirector; previously released",
3934                                  pExtent->CacheOffset.HighPart,
3935                                  pExtent->CacheOffset.LowPart);
3936                     } else {
3937                         osi_Log4(afsd_logp, "RDR_ReleaseFileExtentsResult extent vol 0x%x vno 0x%x foffset 0x%x:%x",
3938                                  Fid.volume, Fid.vnode,
3939                                  pExtent->FileOffset.HighPart,
3940                                  pExtent->FileOffset.LowPart);
3941                         osi_Log2(afsd_logp, "... coffset 0x%x:%x UNKNOWN to redirector; owned by redirector",
3942                                  pExtent->CacheOffset.HighPart,
3943                                  pExtent->CacheOffset.LowPart);
3944                     }
3945                     buf_Release(bufp);
3946                     continue;
3947                 }
3948
3949                 if (pExtent->Flags & AFS_EXTENT_FLAG_IN_USE) {
3950                     osi_Log4(afsd_logp, "RDR_ReleaseFileExtentsResult extent vol 0x%x vno 0x%x foffset 0x%x:%x",
3951                               Fid.volume, Fid.vnode,
3952                               pExtent->FileOffset.HighPart,
3953                               pExtent->FileOffset.LowPart);
3954                     osi_Log2(afsd_logp, "... coffset 0x%x:%x IN_USE by file system",
3955                               pExtent->CacheOffset.HighPart,
3956                               pExtent->CacheOffset.LowPart);
3957
3958                     /* Move the buffer to the front of the queue */
3959                     lock_ObtainWrite(&buf_globalLock);
3960                     buf_MoveToHeadOfRedirQueue(scp, bufp);
3961                     lock_ReleaseWrite(&buf_globalLock);
3962                     buf_Release(bufp);
3963                     continue;
3964                 }
3965
3966                 if (bufp->datap - RDR_extentBaseAddress == pExtent->CacheOffset.QuadPart) {
3967                     if (!(bufp->qFlags & CM_BUF_QREDIR)) {
3968                         osi_Log4(afsd_logp, "RDR_ReleaseFileExtentsResult extent vol 0x%x vno 0x%x foffset 0x%x:%x",
3969                                  Fid.volume, Fid.vnode,
3970                                  pExtent->FileOffset.HighPart,
3971                                  pExtent->FileOffset.LowPart);
3972                         osi_Log2(afsd_logp, "... coffset 0x%x:%x not held by file system",
3973                                  pExtent->CacheOffset.HighPart,
3974                                  pExtent->CacheOffset.LowPart);
3975 #ifdef ODS_DEBUG
3976                         snprintf(dbgstr, 1024,
3977                                   "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",
3978                                   ReleaseFileExtentsResultCB->Flags, pExtent->Flags,
3979                                   Fid.volume, Fid.vnode, Fid.unique,
3980                                   pExtent->FileOffset.HighPart,
3981                                   pExtent->FileOffset.LowPart,
3982                                   pExtent->CacheOffset.HighPart,
3983                                   pExtent->CacheOffset.LowPart);
3984                         OutputDebugStringA( dbgstr);
3985 #endif
3986                     } else {
3987                         osi_Log5(afsd_logp, "RDR_ProcessReleaseFileExtentsResult bufp 0x%p foffset 0x%x:%x coffset 0x%x:%x",
3988                                  bufp, pExtent->FileOffset.HighPart, pExtent->FileOffset.LowPart,
3989                                  pExtent->CacheOffset.HighPart, pExtent->CacheOffset.LowPart);
3990
3991                         if (pExtent->Flags || ReleaseFileExtentsResultCB->Flags) {
3992                             lock_ObtainMutex(&bufp->mx);
3993                             if ( (ReleaseFileExtentsResultCB->Flags & AFS_EXTENT_FLAG_RELEASE) ||
3994                                  (pExtent->Flags & AFS_EXTENT_FLAG_RELEASE) )
3995                             {
3996                                 if (bufp->qFlags & CM_BUF_QREDIR) {
3997                                     lock_ObtainWrite(&buf_globalLock);
3998                                     if (bufp->qFlags & CM_BUF_QREDIR) {
3999                                         buf_RemoveFromRedirQueue(scp, bufp);
4000                                         buf_ReleaseLocked(bufp, TRUE);
4001                                     }
4002                                     lock_ReleaseWrite(&buf_globalLock);
4003                                 }
4004
4005 #ifdef ODS_DEBUG
4006                                 snprintf(dbgstr, 1024,
4007                                           "RDR_ProcessReleaseFileExtentsResult extent released: vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
4008                                           Fid.volume, Fid.vnode, Fid.unique,
4009                                           pExtent->FileOffset.HighPart,
4010                                           pExtent->FileOffset.LowPart,
4011                                           pExtent->CacheOffset.HighPart,
4012                                           pExtent->CacheOffset.LowPart);
4013                                 OutputDebugStringA( dbgstr);
4014 #endif
4015
4016                                 released++;
4017                             } else {
4018                                 osi_Log4(afsd_logp, "RDR_ProcessReleaseFileExtentsResult not releasing vol 0x%x vno 0x%x foffset 0x%x:%x",
4019                                          Fid.volume, Fid.vnode,
4020                                          pExtent->FileOffset.HighPart,
4021                                          pExtent->FileOffset.LowPart);
4022                                 osi_Log2(afsd_logp, "... coffset 0x%x:%x",
4023                                          pExtent->CacheOffset.HighPart,
4024                                          pExtent->CacheOffset.LowPart);
4025 #ifdef ODS_DEBUG
4026                                 snprintf(dbgstr, 1024,
4027                                           "RDR_ProcessReleaseFileExtentsResult not released! vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
4028                                           Fid.volume, Fid.vnode, Fid.unique,
4029                                           pExtent->FileOffset.HighPart,
4030                                           pExtent->FileOffset.LowPart,
4031                                           pExtent->CacheOffset.HighPart,
4032                                           pExtent->CacheOffset.LowPart);
4033                                 OutputDebugStringA( dbgstr);
4034 #endif
4035                             }
4036
4037                             if ( (ReleaseFileExtentsResultCB->Flags & AFS_EXTENT_FLAG_DIRTY) ||
4038                                  (pExtent->Flags & AFS_EXTENT_FLAG_DIRTY) )
4039                             {
4040 #ifdef VALIDATE_CHECK_SUM
4041                                 if ( buf_ValidateCheckSum(bufp) ) {
4042 #ifdef ODS_DEBUG
4043                                     HexCheckSum(md5dbg, sizeof(md5dbg), bufp->md5cksum);
4044                                     if (ReleaseFileExtentsResultCB->Flags & AFS_EXTENT_FLAG_MD5_SET)
4045                                         HexCheckSum(md5dbg2, sizeof(md5dbg2), pExtent->MD5);
4046 #endif
4047                                     buf_ComputeCheckSum(bufp);
4048 #ifdef ODS_DEBUG
4049                                     HexCheckSum(md5dbg3, sizeof(md5dbg), bufp->md5cksum);
4050 #endif
4051                                     if (ReleaseFileExtentsResultCB->Flags & AFS_EXTENT_FLAG_MD5_SET)
4052                                     {
4053                                         if (memcmp(bufp->md5cksum, pExtent->MD5, 16))
4054                                         {
4055 #ifdef ODS_DEBUG
4056                                             snprintf(dbgstr, 1024,
4057                                                       "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",
4058                                                       md5dbg3, md5dbg2,
4059                                                       Fid.volume, Fid.vnode, Fid.unique,
4060                                                       pExtent->FileOffset.HighPart,
4061                                                       pExtent->FileOffset.LowPart,
4062                                                       pExtent->CacheOffset.HighPart,
4063                                                       pExtent->CacheOffset.LowPart);
4064                                             OutputDebugStringA( dbgstr);
4065 #endif
4066                                             osi_Log4(afsd_logp,
4067                                                       "RDR_ProcessReleaseFileExtentsResult dirty flag set and checksums do not match! vol 0x%x vno 0x%x foffset 0x%x:%x",
4068                                                       Fid.volume, Fid.vnode,
4069                                                       pExtent->FileOffset.HighPart,
4070                                                       pExtent->FileOffset.LowPart);
4071                                             osi_Log2(afsd_logp,
4072                                                       "... coffset 0x%x:%x",
4073                                                       pExtent->CacheOffset.HighPart,
4074                                                       pExtent->CacheOffset.LowPart);
4075
4076                                             buf_SetDirty(bufp, &req, pExtent->DirtyOffset, pExtent->DirtyLength, userp);
4077                                             dirty++;
4078                                         } else {
4079 #ifdef ODS_DEBUG
4080                                             snprintf(dbgstr, 1024,
4081                                                       "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",
4082                                                       md5dbg, md5dbg2, md5dbg3,
4083                                                       Fid.volume, Fid.vnode, Fid.unique,
4084                                                       pExtent->FileOffset.HighPart,
4085                                                       pExtent->FileOffset.LowPart,
4086                                                       pExtent->CacheOffset.HighPart,
4087                                                       pExtent->CacheOffset.LowPart);
4088                                             OutputDebugStringA( dbgstr);
4089 #endif
4090                                             osi_Log4(afsd_logp,
4091                                                       "RDR_ProcessReleaseFileExtentsResult dirty flag set but extent has not changed vol 0x%x vno 0x%x foffset 0x%x:%x",
4092                                                       Fid.volume, Fid.vnode,
4093                                                       pExtent->FileOffset.HighPart,
4094                                                       pExtent->FileOffset.LowPart);
4095                                             osi_Log2(afsd_logp,
4096                                                       "... coffset 0x%x:%x",
4097                                                       pExtent->CacheOffset.HighPart,
4098                                                       pExtent->CacheOffset.LowPart);
4099                                         }
4100                                     }
4101                                 }
4102 #else /* !VALIDATE_CHECK_SUM */
4103                                 buf_SetDirty(bufp, &req, pExtent->DirtyOffset, pExtent->DirtyLength, userp);
4104                                 dirty++;
4105 #ifdef ODS_DEBUG
4106                                 snprintf(dbgstr, 1024,
4107                                           "RDR_ProcessReleaseFileExtentsResult dirty! vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
4108                                           Fid.volume, Fid.vnode, Fid.unique,
4109                                           pExtent->FileOffset.HighPart,
4110                                           pExtent->FileOffset.LowPart,
4111                                           pExtent->CacheOffset.HighPart,
4112                                           pExtent->CacheOffset.LowPart);
4113                                 OutputDebugStringA( dbgstr);
4114 #endif
4115 #endif /* VALIDATE_CHECK_SUM */
4116                             }
4117 #ifdef VALIDATE_CHECK_SUM
4118                             else {
4119 #ifdef ODS_DEBUG
4120                                 HexCheckSum(md5dbg, sizeof(md5dbg), bufp->md5cksum);
4121 #endif
4122                                 if ( !buf_ValidateCheckSum(bufp) ) {
4123                                     buf_ComputeCheckSum(bufp);
4124 #ifdef ODS_DEBUG
4125                                     HexCheckSum(md5dbg3, sizeof(md5dbg2), bufp->md5cksum);
4126                                     snprintf(dbgstr, 1024,
4127                                              "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",
4128                                              md5dbg, md5dbg3,
4129                                              Fid.volume, Fid.vnode, Fid.unique,
4130                                              pExtent->FileOffset.HighPart,
4131                                              pExtent->FileOffset.LowPart,
4132                                              pExtent->CacheOffset.HighPart,
4133                                              pExtent->CacheOffset.LowPart);
4134                                     OutputDebugStringA( dbgstr);
4135 #endif
4136                                     osi_Log4(afsd_logp, "RDR_ProcessReleaseFileExtentsResult dirty flag NOT set but extent has changed! vol 0x%x vno 0x%x foffset 0x%x:%x",
4137                                              Fid.volume, Fid.vnode,
4138                                              pExtent->FileOffset.HighPart,
4139                                              pExtent->FileOffset.LowPart);
4140                                     osi_Log2(afsd_logp, "... coffset 0x%x:%x",
4141                                              pExtent->CacheOffset.HighPart,
4142                                              pExtent->CacheOffset.LowPart);
4143 #ifdef DEBUG
4144                                     DebugBreak();
4145 #endif
4146                                     buf_SetDirty(bufp, &req, pExtent->DirtyOffset, pExtent->DirtyLength, userp);
4147                                     dirty++;
4148                                 } else {
4149                                     buf_ComputeCheckSum(bufp);
4150 #ifdef ODS_DEBUG
4151                                     HexCheckSum(md5dbg3, sizeof(md5dbg2), bufp->md5cksum);
4152                                     snprintf(dbgstr, 1024,
4153                                              "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",
4154                                              md5dbg, md5dbg3,
4155                                              Fid.volume, Fid.vnode, Fid.unique,
4156                                              pExtent->FileOffset.HighPart,
4157                                              pExtent->FileOffset.LowPart,
4158                                              pExtent->CacheOffset.HighPart,
4159                                              pExtent->CacheOffset.LowPart);
4160                                     OutputDebugStringA( dbgstr);
4161 #endif
4162                                 }
4163                             }
4164 #endif /* VALIDATE_CHECK_SUM */
4165                             lock_ReleaseMutex(&bufp->mx);
4166                         }
4167                     }
4168                 } else {
4169                     /* CacheOffset doesn't match bufp->datap */
4170                     char * datap = RDR_extentBaseAddress + pExtent->CacheOffset.QuadPart;
4171                     cm_buf_t *wbp;
4172
4173                     for (wbp = cm_data.buf_allp; wbp; wbp = wbp->allp) {
4174                         if (wbp->datap == datap)
4175                             break;
4176                     }
4177
4178 #ifdef ODS_DEBUG
4179                     snprintf(dbgstr, 1024,
4180                              "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",
4181                              Fid.volume, Fid.vnode, Fid.unique,
4182                              pExtent->FileOffset.HighPart,
4183                              pExtent->FileOffset.LowPart,
4184                              pExtent->CacheOffset.HighPart,
4185                              pExtent->CacheOffset.LowPart,
4186                              pExtent->Flags);
4187                     OutputDebugStringA( dbgstr);
4188 #endif
4189                     osi_Log4(afsd_logp, "RDR_ProcessReleaseFileExtentsResult non-matching extent vol 0x%x vno 0x%x foffset 0x%x:%x",
4190                              Fid.volume, Fid.vnode,
4191                              pExtent->FileOffset.HighPart,
4192                              pExtent->FileOffset.LowPart);
4193                     osi_Log3(afsd_logp, "... coffset 0x%x:%x flags 0x%x",
4194                              pExtent->CacheOffset.HighPart,
4195                              pExtent->CacheOffset.LowPart,
4196                              pExtent->Flags);
4197                     if (wbp)
4198                         osi_Log5(afsd_logp, "... coffset belongs to bp 0x%p vol 0x%x vno 0x%x foffset 0x%x:%x",
4199                                  wbp, wbp->fid.volume, wbp->fid.vnode, wbp->offset.HighPart, wbp->offset.LowPart);
4200                     else
4201                         osi_Log0(afsd_logp, "... coffset cannot be found");
4202 #ifdef DEBUG
4203                     DebugBreak();
4204 #endif
4205                 }
4206                 buf_Release(bufp);
4207             } else {
4208                 if (pExtent->Flags & AFS_EXTENT_FLAG_UNKNOWN) {
4209                     osi_Log4(afsd_logp, "RDR_ReleaseFileExtentsResult extent vol 0x%x vno 0x%x foffset 0x%x:%x",
4210                              Fid.volume, Fid.vnode, pExtent->FileOffset.HighPart,
4211                              pExtent->FileOffset.LowPart);
4212                     osi_Log2(afsd_logp, "... coffset 0x%x:%x UNKNOWN to redirector; cm_buf not found -- recycled?",
4213                              pExtent->CacheOffset.HighPart,
4214                              pExtent->CacheOffset.LowPart);
4215
4216                     continue;
4217                 }
4218
4219 #ifdef ODS_DEBUG
4220                 snprintf(dbgstr, 1024,
4221                          "RDR_ProcessReleaseFileExtentsResult buf not found vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
4222                          Fid.volume, Fid.vnode, Fid.unique,
4223                          pExtent->FileOffset.HighPart,
4224                          pExtent->FileOffset.LowPart,
4225                          pExtent->CacheOffset.HighPart,
4226                          pExtent->CacheOffset.LowPart);
4227                 OutputDebugStringA( dbgstr);
4228 #endif
4229                 osi_Log4(afsd_logp, "RDR_ProcessReleaseFileExtentsResult buf not found vol 0x%x vno 0x%x foffset 0x%x:%x",
4230                          Fid.volume, Fid.vnode,
4231                          pExtent->FileOffset.HighPart,
4232                          pExtent->FileOffset.LowPart);
4233                 osi_Log2(afsd_logp, "... coffset 0x%x:%x",
4234                          pExtent->CacheOffset.HighPart,
4235                          pExtent->CacheOffset.LowPart);
4236             }
4237         }
4238
4239         if (scp && dirty) {
4240             osi_hyper_t offset = {0,0};
4241             afs_uint32  length = 0;
4242
4243             /*
4244              * there is at least one dirty extent on this file.  queue up background store
4245              * requests for contiguous blocks
4246              */
4247             for ( extentno = 0; extentno < pFileCB->ExtentCount; extentno++ ) {
4248                 AFSFileExtentCB *pExtent = &pFileCB->FileExtents[extentno];
4249                 if (pExtent->FileOffset.QuadPart == offset.QuadPart + length &&
4250                      length < cm_chunkSize) {
4251                     length += cm_data.buf_blockSize;
4252                 } else {
4253                     if (!(offset.QuadPart == 0 && length == 0))
4254                         cm_QueueBKGRequest(scp, cm_BkgStore, offset.LowPart, offset.HighPart,
4255                                             length, 0, userp, &req);
4256                     offset.QuadPart = pExtent->FileOffset.QuadPart;
4257                     length = cm_data.buf_blockSize;
4258                 }
4259             }
4260             cm_QueueBKGRequest(scp, cm_BkgStore, offset.LowPart, offset.HighPart,
4261                                 length, 0, userp, &req);
4262         }
4263
4264         osi_Log5(afsd_logp, "RDR_ProcessReleaseFileExtentsResult File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x Released %d",
4265                   Fid.cell, Fid.volume, Fid.vnode, Fid.unique, released);
4266
4267       cleanup_file:
4268         if (userp)
4269             cm_ReleaseUser(userp);
4270         if (scp)
4271             cm_ReleaseSCache(scp);
4272
4273         p = (char *)pFileCB;
4274         p += sizeof(AFSReleaseFileExtentsResultFileCB);
4275         p += sizeof(AFSFileExtentCB) * (pFileCB->ExtentCount - 1);
4276         pNextFileCB = (AFSReleaseFileExtentsResultFileCB *)p;
4277     }
4278
4279     if (total_extents == 0) {
4280         osi_Log0(afsd_logp, "RDR_ProcessReleaseFileExtentsResult is empty");
4281         code = CM_ERROR_RETRY;
4282     }
4283
4284     if (code)
4285         osi_Log1(afsd_logp, "RDR_ProcessReleaseFileExtentsResult FAILURE code=0x%x", code);
4286     else
4287         osi_Log1(afsd_logp, "RDR_ProcessReleaseFileExtentsResult DONE code=0x%x", code);
4288
4289     return code;
4290 }
4291
4292 DWORD
4293 RDR_ReleaseFailedSetFileExtents( IN cm_user_t *userp,
4294                                  IN AFSSetFileExtentsCB *SetFileExtentsResultCB,
4295                                  IN DWORD ResultBufferLength)
4296 {
4297     afs_uint32  code = 0;
4298     cm_req_t    req;
4299     unsigned int extentno;
4300     cm_fid_t         Fid;
4301     cm_scache_t *    scp = NULL;
4302     int              dirty = 0;
4303
4304     RDR_InitReq(&req);
4305
4306     osi_Log4(afsd_logp, "RDR_ReleaseFailedSetFileExtents %d.%d.%d.%d",
4307               SetFileExtentsResultCB->FileId.Cell, SetFileExtentsResultCB->FileId.Volume,
4308               SetFileExtentsResultCB->FileId.Vnode, SetFileExtentsResultCB->FileId.Unique);
4309
4310     /* Process the release */
4311     Fid.cell = SetFileExtentsResultCB->FileId.Cell;
4312     Fid.volume = SetFileExtentsResultCB->FileId.Volume;
4313     Fid.vnode = SetFileExtentsResultCB->FileId.Vnode;
4314     Fid.unique = SetFileExtentsResultCB->FileId.Unique;
4315     Fid.hash = SetFileExtentsResultCB->FileId.Hash;
4316
4317     if (Fid.cell == 0) {
4318         osi_Log4(afsd_logp, "RDR_ReleaseFailedSetFile Invalid FID %d.%d.%d.%d",
4319                   Fid.cell, Fid.volume, Fid.vnode, Fid.unique);
4320         code = CM_ERROR_INVAL;
4321         goto cleanup_file;
4322     }
4323
4324     code = cm_GetSCache(&Fid, &scp, userp, &req);
4325     if (code) {
4326         osi_Log1(afsd_logp, "RDR_ReleaseFailedSetFileExtents cm_GetSCache FID failure code=0x%x",
4327                   code);
4328         /* Failure to find the cm_scache object cannot block return of the extents */
4329     }
4330
4331     for ( extentno = 0; extentno < SetFileExtentsResultCB->ExtentCount; extentno++ ) {
4332         osi_hyper_t thyper;
4333         cm_buf_t    *bufp;
4334         AFSFileExtentCB *pExtent = &SetFileExtentsResultCB->FileExtents[extentno];
4335
4336         thyper.QuadPart = pExtent->FileOffset.QuadPart;
4337
4338         bufp = buf_Find(&Fid, &thyper);
4339         if (bufp) {
4340             osi_Log5(afsd_logp, "RDR_ReleaseFailedSetFileExtents bufp 0x%p foffset 0x%x:%x coffset 0x%x:%x",
4341                       bufp, pExtent->FileOffset.HighPart, pExtent->FileOffset.LowPart,
4342                       pExtent->CacheOffset.HighPart, pExtent->CacheOffset.LowPart);
4343
4344             lock_ObtainMutex(&bufp->mx);
4345             if (bufp->qFlags & CM_BUF_QREDIR) {
4346                 lock_ObtainWrite(&buf_globalLock);
4347                 if (bufp->qFlags & CM_BUF_QREDIR) {
4348                     buf_RemoveFromRedirQueue(scp, bufp);
4349                     buf_ReleaseLocked(bufp, TRUE);
4350                 }
4351                 lock_ReleaseWrite(&buf_globalLock);
4352             }
4353             lock_ReleaseMutex(&bufp->mx);
4354             buf_Release(bufp);
4355         }
4356     }
4357
4358   cleanup_file:
4359     if (userp)
4360         cm_ReleaseUser(userp);
4361     if (scp)
4362         cm_ReleaseSCache(scp);
4363
4364     osi_Log1(afsd_logp, "RDR_ReleaseFailedSetFileExtents DONE code=0x%x", code);
4365     return code;
4366 }
4367
4368 void
4369 RDR_PioctlOpen( IN cm_user_t *userp,
4370                 IN AFSFileID  ParentId,
4371                 IN AFSPIOCtlOpenCloseRequestCB *pPioctlCB,
4372                 IN BOOL bWow64,
4373                 IN DWORD ResultBufferLength,
4374                 IN OUT AFSCommResult **ResultCB)
4375 {
4376     cm_fid_t    ParentFid;
4377     cm_fid_t    RootFid;
4378
4379     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult));
4380     if (!(*ResultCB))
4381         return;
4382
4383     memset( *ResultCB,
4384             '\0',
4385             sizeof( AFSCommResult));
4386
4387     /* Get the active directory */
4388     ParentFid.cell = ParentId.Cell;
4389     ParentFid.volume = ParentId.Volume;
4390     ParentFid.vnode = ParentId.Vnode;
4391     ParentFid.unique = ParentId.Unique;
4392     ParentFid.hash = ParentId.Hash;
4393
4394     /* Get the root directory */
4395     RootFid.cell = pPioctlCB->RootId.Cell;
4396     RootFid.volume = pPioctlCB->RootId.Volume;
4397     RootFid.vnode = pPioctlCB->RootId.Vnode;
4398     RootFid.unique = pPioctlCB->RootId.Unique;
4399     RootFid.hash = pPioctlCB->RootId.Hash;
4400
4401     /* Create the pioctl index */
4402     RDR_SetupIoctl(pPioctlCB->RequestId, &ParentFid, &RootFid, userp);
4403
4404     return;
4405 }
4406
4407
4408 void
4409 RDR_PioctlClose( IN cm_user_t *userp,
4410                  IN AFSFileID  ParentId,
4411                  IN AFSPIOCtlOpenCloseRequestCB *pPioctlCB,
4412                  IN BOOL bWow64,
4413                  IN DWORD ResultBufferLength,
4414                  IN OUT AFSCommResult **ResultCB)
4415 {
4416     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult));
4417     if (!(*ResultCB))
4418         return;
4419
4420     memset( *ResultCB,
4421             '\0',
4422             sizeof( AFSCommResult));
4423
4424     /* Cleanup the pioctl index */
4425     RDR_CleanupIoctl(pPioctlCB->RequestId);
4426
4427     return;
4428 }
4429
4430
4431 void
4432 RDR_PioctlWrite( IN cm_user_t *userp,
4433                  IN AFSFileID  ParentId,
4434                  IN AFSPIOCtlIORequestCB *pPioctlCB,
4435                  IN BOOL bWow64,
4436                  IN DWORD ResultBufferLength,
4437                  IN OUT AFSCommResult **ResultCB)
4438 {
4439     AFSPIOCtlIOResultCB *pResultCB;
4440     cm_scache_t *dscp = NULL;
4441     afs_uint32  code;
4442     cm_req_t    req;
4443     DWORD       status;
4444
4445     RDR_InitReq(&req);
4446     if ( bWow64 )
4447         req.flags |= CM_REQ_WOW64;
4448
4449     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult) + sizeof(AFSPIOCtlIOResultCB));
4450     if (!(*ResultCB))
4451         return;
4452
4453     memset( *ResultCB,
4454             '\0',
4455             sizeof( AFSCommResult) + sizeof(AFSPIOCtlIOResultCB));
4456
4457     pResultCB = (AFSPIOCtlIOResultCB *)(*ResultCB)->ResultData;
4458
4459     code = RDR_IoctlWrite(userp, pPioctlCB->RequestId, pPioctlCB->BufferLength, pPioctlCB->MappedBuffer, &req);
4460     if (code) {
4461         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
4462         (*ResultCB)->ResultStatus = status;
4463         return;
4464     }
4465
4466     pResultCB->BytesProcessed = pPioctlCB->BufferLength;
4467     (*ResultCB)->ResultBufferLength = sizeof( AFSPIOCtlIOResultCB);
4468 }
4469
4470 void
4471 RDR_PioctlRead( IN cm_user_t *userp,
4472                 IN AFSFileID  ParentId,
4473                 IN AFSPIOCtlIORequestCB *pPioctlCB,
4474                 IN BOOL bWow64,
4475                 IN BOOL bIsLocalSystem,
4476                 IN DWORD ResultBufferLength,
4477                 IN OUT AFSCommResult **ResultCB)
4478 {
4479     AFSPIOCtlIOResultCB *pResultCB;
4480     cm_scache_t *dscp = NULL;
4481     afs_uint32  code;
4482     cm_req_t    req;
4483     DWORD       status;
4484     afs_uint32  pflags = (bIsLocalSystem ? AFSCALL_FLAG_LOCAL_SYSTEM : 0);
4485
4486     RDR_InitReq(&req);
4487     if ( bWow64 )
4488         req.flags |= CM_REQ_WOW64;
4489
4490     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult) + sizeof(AFSPIOCtlIOResultCB));
4491     if (!(*ResultCB))
4492         return;
4493
4494     memset( *ResultCB,
4495             '\0',
4496             sizeof( AFSCommResult) + sizeof(AFSPIOCtlIOResultCB));
4497
4498     pResultCB = (AFSPIOCtlIOResultCB *)(*ResultCB)->ResultData;
4499
4500     code = RDR_IoctlRead(userp, pPioctlCB->RequestId, pPioctlCB->BufferLength, pPioctlCB->MappedBuffer,
4501                          &pResultCB->BytesProcessed, &req, pflags);
4502     if (code) {
4503         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
4504         (*ResultCB)->ResultStatus = status;
4505         return;
4506     }
4507
4508     (*ResultCB)->ResultBufferLength = sizeof( AFSPIOCtlIOResultCB);
4509 }
4510
4511 void
4512 RDR_ByteRangeLockSync( IN cm_user_t     *userp,
4513                        IN AFSFileID     FileId,
4514                        IN AFSByteRangeLockRequestCB *pBRLRequestCB,
4515                        IN BOOL bWow64,
4516                        IN DWORD ResultBufferLength,
4517                        IN OUT AFSCommResult **ResultCB)
4518 {
4519     AFSByteRangeLockResultCB *pResultCB = NULL;
4520     LARGE_INTEGER ProcessId;
4521     DWORD       Length;
4522     cm_scache_t *scp = NULL;
4523     cm_fid_t    Fid;
4524     afs_uint32  code;
4525     cm_req_t    req;
4526     cm_key_t    key;
4527     DWORD       i;
4528     DWORD       status;
4529
4530     ProcessId.QuadPart = pBRLRequestCB->ProcessId;
4531
4532     RDR_InitReq(&req);
4533     if ( bWow64 )
4534         req.flags |= CM_REQ_WOW64;
4535
4536     osi_Log4(afsd_logp, "RDR_ByteRangeLockSync File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
4537               FileId.Cell, FileId.Volume,
4538               FileId.Vnode, FileId.Unique);
4539     osi_Log2(afsd_logp, "... ProcessId 0x%x:%x",
4540              ProcessId.HighPart, ProcessId.LowPart);
4541
4542     Length = sizeof( AFSByteRangeLockResultCB) + ((pBRLRequestCB->Count - 1) * sizeof(AFSByteRangeLockResult));
4543     if (Length > ResultBufferLength) {
4544         *ResultCB = (AFSCommResult *)malloc(sizeof(AFSCommResult));
4545         if (!(*ResultCB))
4546             return;
4547         memset( *ResultCB, 0, sizeof(AFSCommResult));
4548         (*ResultCB)->ResultStatus = STATUS_BUFFER_OVERFLOW;
4549         return;
4550     }
4551
4552     *ResultCB = (AFSCommResult *)malloc( Length + sizeof( AFSCommResult) );
4553     if (!(*ResultCB))
4554         return;
4555     memset( *ResultCB, '\0', Length + sizeof( AFSCommResult) );
4556     (*ResultCB)->ResultBufferLength = Length;
4557
4558     pResultCB = (AFSByteRangeLockResultCB *)(*ResultCB)->ResultData;
4559     pResultCB->FileId = FileId;
4560     pResultCB->Count = pBRLRequestCB->Count;
4561
4562     /* Allocate the extents from the buffer package */
4563     Fid.cell = FileId.Cell;
4564     Fid.volume = FileId.Volume;
4565     Fid.vnode = FileId.Vnode;
4566     Fid.unique = FileId.Unique;
4567     Fid.hash = FileId.Hash;
4568
4569     code = cm_GetSCache(&Fid, &scp, userp, &req);
4570     if (code) {
4571         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
4572         (*ResultCB)->ResultStatus = status;
4573         (*ResultCB)->ResultBufferLength = 0;
4574         osi_Log2(afsd_logp, "RDR_ByteRangeLockSync cm_GetSCache FID failure code=0x%x status=0x%x",
4575                   code, status);
4576         return;
4577     }
4578
4579     lock_ObtainWrite(&scp->rw);
4580
4581     /* start by looking up the file's end */
4582     code = cm_SyncOp(scp, NULL, userp, &req, 0,
4583                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
4584     if (code) {
4585         lock_ReleaseWrite(&scp->rw);
4586         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
4587         (*ResultCB)->ResultStatus = status;
4588         (*ResultCB)->ResultBufferLength = 0;
4589         osi_Log3(afsd_logp, "RDR_ByteRangeLockSync cm_SyncOp failure scp=0x%p code=0x%x status=0x%x",
4590                  scp, code, status);
4591         return;
4592     }
4593
4594     /* the scp is now locked and current */
4595     key = cm_GenerateKey(CM_SESSION_IFS, ProcessId.QuadPart, 0);
4596
4597     for ( i=0; i<pBRLRequestCB->Count; i++ ) {
4598         pResultCB->Result[i].LockType = pBRLRequestCB->Request[i].LockType;
4599         pResultCB->Result[i].Offset = pBRLRequestCB->Request[i].Offset;
4600         pResultCB->Result[i].Length = pBRLRequestCB->Request[i].Length;
4601
4602         code = cm_Lock(scp,
4603                        pBRLRequestCB->Request[i].LockType == AFS_BYTE_RANGE_LOCK_TYPE_SHARED,
4604                        pBRLRequestCB->Request[i].Offset,
4605                        pBRLRequestCB->Request[i].Length,
4606                        key, 0, userp, &req, NULL);
4607
4608         if (code) {
4609             osi_Log4(afsd_logp, "RDR_ByteRangeLockSync FAILURE code 0x%x type 0x%u offset 0x%x:%x",
4610                      code,
4611                      pBRLRequestCB->Request[i].LockType,
4612                      pBRLRequestCB->Request[i].Offset.HighPart,
4613                      pBRLRequestCB->Request[i].Offset.LowPart);
4614             osi_Log2(afsd_logp, "... length 0x%x:%x",
4615                      pBRLRequestCB->Request[i].Length.HighPart,
4616                      pBRLRequestCB->Request[i].Length.LowPart);
4617         }
4618
4619         switch (code) {
4620         case 0:
4621             pResultCB->Result[i].Status = 0;
4622             break;
4623         case CM_ERROR_WOULDBLOCK:
4624             pResultCB->Result[i].Status = STATUS_FILE_LOCK_CONFLICT;
4625             break;
4626         default:
4627             pResultCB->Result[i].Status = STATUS_LOCK_NOT_GRANTED;
4628         }
4629     }
4630
4631     cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
4632     lock_ReleaseWrite(&scp->rw);
4633     cm_ReleaseSCache(scp);
4634
4635     (*ResultCB)->ResultStatus = 0;
4636     osi_Log0(afsd_logp, "RDR_ByteRangeLockSync SUCCESS");
4637     return;
4638 }
4639
4640 void
4641 RDR_ByteRangeUnlock( IN cm_user_t     *userp,
4642                      IN AFSFileID     FileId,
4643                      IN AFSByteRangeUnlockRequestCB *pBRURequestCB,
4644                      IN BOOL bWow64,
4645                      IN DWORD ResultBufferLength,
4646                      IN OUT AFSCommResult **ResultCB)
4647 {
4648     AFSByteRangeUnlockResultCB *pResultCB = NULL;
4649     LARGE_INTEGER ProcessId;
4650     DWORD       Length;
4651     cm_scache_t *scp = NULL;
4652     cm_fid_t    Fid;
4653     afs_uint32  code;
4654     cm_req_t    req;
4655     cm_key_t    key;
4656     DWORD       i;
4657     DWORD       status;
4658
4659     ProcessId.QuadPart = pBRURequestCB->ProcessId;
4660
4661     RDR_InitReq(&req);
4662     if ( bWow64 )
4663         req.flags |= CM_REQ_WOW64;
4664
4665     osi_Log4(afsd_logp, "RDR_ByteRangeUnlock File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
4666               FileId.Cell, FileId.Volume,
4667               FileId.Vnode, FileId.Unique);
4668     osi_Log2(afsd_logp, "... ProcessId 0x%x:%x",
4669              ProcessId.HighPart, ProcessId.LowPart);
4670
4671     Length = sizeof( AFSByteRangeUnlockResultCB) + ((pBRURequestCB->Count - 1) * sizeof(AFSByteRangeLockResult));
4672     if (Length > ResultBufferLength) {
4673         *ResultCB = (AFSCommResult *)malloc(sizeof(AFSCommResult));
4674         if (!(*ResultCB))
4675             return;
4676         memset( *ResultCB, 0, sizeof(AFSCommResult));
4677         (*ResultCB)->ResultStatus = STATUS_BUFFER_OVERFLOW;
4678         return;
4679     }
4680
4681     *ResultCB = (AFSCommResult *)malloc( Length + sizeof( AFSCommResult) );
4682     if (!(*ResultCB))
4683         return;
4684     memset( *ResultCB, '\0', Length + sizeof( AFSCommResult) );
4685     (*ResultCB)->ResultBufferLength = Length;
4686
4687     pResultCB = (AFSByteRangeUnlockResultCB *)(*ResultCB)->ResultData;
4688     pResultCB->Count = pBRURequestCB->Count;
4689
4690     /* Allocate the extents from the buffer package */
4691     Fid.cell = FileId.Cell;
4692     Fid.volume = FileId.Volume;
4693     Fid.vnode = FileId.Vnode;
4694     Fid.unique = FileId.Unique;
4695     Fid.hash = FileId.Hash;
4696
4697     code = cm_GetSCache(&Fid, &scp, userp, &req);
4698     if (code) {
4699         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
4700         (*ResultCB)->ResultStatus = status;
4701         (*ResultCB)->ResultBufferLength = 0;
4702         osi_Log2(afsd_logp, "RDR_ByteRangeUnlock cm_GetSCache FID failure code=0x%x status=0x%x",
4703                   code, status);
4704         return;
4705     }
4706
4707     lock_ObtainWrite(&scp->rw);
4708
4709     /* start by looking up the file's end */
4710     code = cm_SyncOp(scp, NULL, userp, &req, 0,
4711                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
4712     if (code) {
4713         lock_ReleaseWrite(&scp->rw);
4714         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
4715         (*ResultCB)->ResultStatus = status;
4716         (*ResultCB)->ResultBufferLength = 0;
4717         osi_Log3(afsd_logp, "RDR_ByteRangeUnlock cm_SyncOp failure scp=0x%p code=0x%x status=0x%x",
4718                  scp, code, status);
4719         return;
4720     }
4721
4722     /* the scp is now locked and current */
4723     key = cm_GenerateKey(CM_SESSION_IFS, ProcessId.QuadPart, 0);
4724
4725     for ( i=0; i<pBRURequestCB->Count; i++ ) {
4726         pResultCB->Result[i].LockType = pBRURequestCB->Request[i].LockType;
4727         pResultCB->Result[i].Offset = pBRURequestCB->Request[i].Offset;
4728         pResultCB->Result[i].Length = pBRURequestCB->Request[i].Length;
4729
4730         code = cm_Unlock(scp,
4731                          pBRURequestCB->Request[i].LockType == AFS_BYTE_RANGE_LOCK_TYPE_SHARED,
4732                          pBRURequestCB->Request[i].Offset,
4733                          pBRURequestCB->Request[i].Length,
4734                          key, CM_UNLOCK_FLAG_MATCH_RANGE, userp, &req);
4735
4736         if (code) {
4737             osi_Log4(afsd_logp, "RDR_ByteRangeUnlock FAILURE code 0x%x type 0x%u offset 0x%x:%x",
4738                      code, pBRURequestCB->Request[i].LockType,
4739                      pBRURequestCB->Request[i].Offset.HighPart,
4740                      pBRURequestCB->Request[i].Offset.LowPart);
4741             osi_Log2(afsd_logp, "... length 0x%x:%x",
4742                      pBRURequestCB->Request[i].Length.HighPart,
4743                      pBRURequestCB->Request[i].Length.LowPart);
4744         }
4745         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
4746         pResultCB->Result[i].Status = status;
4747     }
4748
4749     cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
4750     lock_ReleaseWrite(&scp->rw);
4751     cm_ReleaseSCache(scp);
4752
4753     (*ResultCB)->ResultStatus = 0;
4754     osi_Log0(afsd_logp, "RDR_ByteRangeUnlock SUCCESS");
4755     return;
4756 }
4757
4758 void
4759 RDR_ByteRangeUnlockAll( IN cm_user_t     *userp,
4760                         IN AFSFileID     FileId,
4761                         IN AFSByteRangeUnlockRequestCB *pBRURequestCB,
4762                         IN BOOL bWow64,
4763                         IN DWORD ResultBufferLength,
4764                         IN OUT AFSCommResult **ResultCB)
4765 {
4766     AFSByteRangeUnlockResultCB *pResultCB = NULL;
4767     LARGE_INTEGER ProcessId;
4768     cm_scache_t *scp = NULL;
4769     cm_fid_t    Fid;
4770     afs_uint32  code;
4771     cm_req_t    req;
4772     cm_key_t    key;
4773     DWORD       status;
4774
4775     ProcessId.QuadPart = pBRURequestCB->ProcessId;
4776
4777     RDR_InitReq(&req);
4778     if ( bWow64 )
4779         req.flags |= CM_REQ_WOW64;
4780
4781     osi_Log4(afsd_logp, "RDR_ByteRangeUnlockAll File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
4782               FileId.Cell, FileId.Volume,
4783               FileId.Vnode, FileId.Unique);
4784     osi_Log2(afsd_logp, "... ProcessId 0x%x:%x",
4785              ProcessId.HighPart, ProcessId.LowPart);
4786
4787     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult));
4788     if (!(*ResultCB))
4789         return;
4790     memset( *ResultCB, '\0', sizeof( AFSCommResult));
4791     (*ResultCB)->ResultBufferLength = 0;
4792
4793     /* Allocate the extents from the buffer package */
4794     Fid.cell = FileId.Cell;
4795     Fid.volume = FileId.Volume;
4796     Fid.vnode = FileId.Vnode;
4797     Fid.unique = FileId.Unique;
4798     Fid.hash = FileId.Hash;
4799
4800     code = cm_GetSCache(&Fid, &scp, userp, &req);
4801     if (code) {
4802         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
4803         (*ResultCB)->ResultStatus = status;
4804         (*ResultCB)->ResultBufferLength = 0;
4805         osi_Log2(afsd_logp, "RDR_ByteRangeUnlockAll cm_GetSCache FID failure code=0x%x status=0x%x",
4806                   code, status);
4807         return;
4808     }
4809
4810     lock_ObtainWrite(&scp->rw);
4811
4812     /* start by looking up the file's end */
4813     code = cm_SyncOp(scp, NULL, userp, &req, 0,
4814                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
4815     if (code) {
4816         lock_ReleaseWrite(&scp->rw);
4817         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
4818         (*ResultCB)->ResultStatus = status;
4819         (*ResultCB)->ResultBufferLength = 0;
4820         osi_Log3(afsd_logp, "RDR_ByteRangeUnlockAll cm_SyncOp failure scp=0x%p code=0x%x status=0x%x",
4821                  scp, code, status);
4822         return;
4823     }
4824
4825     /* the scp is now locked and current */
4826     key = cm_GenerateKey(CM_SESSION_IFS, ProcessId.QuadPart, 0);
4827
4828     code = cm_UnlockByKey(scp, key, 0, userp, &req);
4829
4830     cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
4831     lock_ReleaseWrite(&scp->rw);
4832     cm_ReleaseSCache(scp);
4833
4834     smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
4835     (*ResultCB)->ResultStatus = status;
4836
4837     if (code)
4838         osi_Log1(afsd_logp, "RDR_ByteRangeUnlockAll FAILURE code 0x%x", code);
4839     else
4840         osi_Log0(afsd_logp, "RDR_ByteRangeUnlockAll SUCCESS");
4841     return;
4842
4843 }
4844
4845 void
4846 RDR_GetVolumeInfo( IN cm_user_t     *userp,
4847                    IN AFSFileID     FileId,
4848                    IN BOOL bWow64,
4849                    IN DWORD ResultBufferLength,
4850                    IN OUT AFSCommResult **ResultCB)
4851 {
4852     AFSVolumeInfoCB *pResultCB = NULL;
4853     DWORD       Length;
4854     cm_scache_t *scp = NULL;
4855     cm_volume_t *volp = NULL;
4856     cm_vol_state_t *volstatep = NULL;
4857     afs_uint32   volType;
4858     cm_cell_t   *cellp = NULL;
4859     cm_fid_t    Fid;
4860     afs_uint32  code;
4861     cm_req_t    req;
4862     DWORD       status;
4863     FILETIME ft = {0x832cf000, 0x01abfcc4}; /* October 1, 1982 00:00:00 +0600 */
4864
4865     char volName[32]="(unknown)";
4866     char offLineMsg[256]="server temporarily inaccessible";
4867     char motd[256]="server temporarily inaccessible";
4868     cm_conn_t *connp;
4869     AFSFetchVolumeStatus volStat;
4870     char *Name;
4871     char *OfflineMsg;
4872     char *MOTD;
4873     struct rx_connection * rxconnp;
4874
4875     RDR_InitReq(&req);
4876     if ( bWow64 )
4877         req.flags |= CM_REQ_WOW64;
4878
4879     osi_Log4(afsd_logp, "RDR_GetVolumeInfo File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
4880              FileId.Cell, FileId.Volume,
4881              FileId.Vnode, FileId.Unique);
4882
4883     Length = sizeof( AFSCommResult) + sizeof(AFSVolumeInfoCB);
4884     if (sizeof(AFSVolumeInfoCB) > ResultBufferLength) {
4885         *ResultCB = (AFSCommResult *)malloc(sizeof(AFSCommResult) );
4886         if (!(*ResultCB))
4887             return;
4888         memset( *ResultCB, 0, sizeof(AFSCommResult));
4889         (*ResultCB)->ResultStatus = STATUS_BUFFER_OVERFLOW;
4890         return;
4891     }
4892
4893     *ResultCB = (AFSCommResult *)malloc( Length );
4894     if (!(*ResultCB))
4895         return;
4896     memset( *ResultCB, '\0', Length );
4897     (*ResultCB)->ResultBufferLength = sizeof(AFSVolumeInfoCB);
4898     pResultCB = (AFSVolumeInfoCB *)(*ResultCB)->ResultData;
4899
4900     /* Allocate the extents from the buffer package */
4901     if (FileId.Cell != 0) {
4902         Fid.cell = FileId.Cell;
4903         Fid.volume = FileId.Volume;
4904         Fid.vnode = FileId.Vnode;
4905         Fid.unique = FileId.Unique;
4906         Fid.hash = FileId.Hash;
4907
4908         code = cm_GetSCache(&Fid, &scp, userp, &req);
4909         if (code) {
4910             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
4911             (*ResultCB)->ResultStatus = status;
4912             (*ResultCB)->ResultBufferLength = 0;
4913             osi_Log2(afsd_logp, "RDR_GetVolumeInfo cm_GetSCache FID failure code=0x%x status=0x%x",
4914                       code, status);
4915             return;
4916         }
4917     } else {
4918         (*ResultCB)->ResultStatus = STATUS_OBJECT_NAME_INVALID;
4919         osi_Log0(afsd_logp, "RDR_GetVolumeInfo Object Name Invalid - Cell = 0");
4920         return;
4921     }
4922     lock_ObtainWrite(&scp->rw);
4923
4924     /* start by looking up the file's end */
4925     code = cm_SyncOp(scp, NULL, userp, &req, 0,
4926                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
4927     if (code) {
4928         lock_ReleaseWrite(&scp->rw);
4929         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
4930         (*ResultCB)->ResultStatus = status;
4931         (*ResultCB)->ResultBufferLength = 0;
4932         osi_Log3(afsd_logp, "RDR_GetVolumeInfo cm_SyncOp failure scp=0x%p code=0x%x status=0x%x",
4933                  scp, code, status);
4934         return;
4935     }
4936
4937     /* Fake for now */
4938     pResultCB->SectorsPerAllocationUnit = 1;
4939     pResultCB->BytesPerSector = 1024;
4940
4941     pResultCB->CellID = scp->fid.cell;
4942     pResultCB->VolumeID = scp->fid.volume;
4943     pResultCB->Characteristics = FILE_REMOTE_DEVICE;
4944     pResultCB->FileSystemAttributes = FILE_CASE_PRESERVED_NAMES | FILE_UNICODE_ON_DISK |
4945         FILE_SUPPORTS_REPARSE_POINTS;
4946
4947     if (scp->fid.cell==AFS_FAKE_ROOT_CELL_ID &&
4948          scp->fid.volume==AFS_FAKE_ROOT_VOL_ID)
4949     {
4950         pResultCB->TotalAllocationUnits.QuadPart = 100;
4951         memcpy(&pResultCB->VolumeCreationTime, &ft, sizeof(ft));
4952
4953         pResultCB->AvailableAllocationUnits.QuadPart = 0;
4954         pResultCB->Characteristics |= FILE_READ_ONLY_DEVICE;
4955
4956         pResultCB->VolumeLabelLength = cm_Utf8ToUtf16( "Freelance.Local.Root", -1, pResultCB->VolumeLabel,
4957                                                        (sizeof(pResultCB->VolumeLabel) / sizeof(WCHAR)) + 1);
4958         if ( pResultCB->VolumeLabelLength )
4959             pResultCB->VolumeLabelLength--;
4960     } else {
4961         memcpy(&pResultCB->VolumeCreationTime, &ft, sizeof(ft));
4962
4963         volp = cm_GetVolumeByFID(&scp->fid);
4964         if (!volp) {
4965             code = CM_ERROR_NOSUCHVOLUME;
4966             goto _done;
4967         }
4968         volstatep = cm_VolumeStateByID(volp, scp->fid.volume);
4969         volType = cm_VolumeType(volp, scp->fid.volume);
4970
4971         pResultCB->Characteristics |= ((volType == ROVOL || volType == BACKVOL) ? FILE_READ_ONLY_DEVICE : 0);
4972
4973         Name = volName;
4974         OfflineMsg = offLineMsg;
4975         MOTD = motd;
4976         lock_ReleaseWrite(&scp->rw);
4977         do {
4978             code = cm_ConnFromFID(&scp->fid, userp, &req, &connp);
4979             if (code) continue;
4980
4981             rxconnp = cm_GetRxConn(connp);
4982             code = RXAFS_GetVolumeStatus(rxconnp, scp->fid.volume,
4983                                          &volStat, &Name, &OfflineMsg, &MOTD);
4984             rx_PutConnection(rxconnp);
4985
4986         } while (cm_Analyze(connp, userp, &req, &scp->fid, NULL, NULL, NULL, code));
4987         code = cm_MapRPCError(code, &req);
4988         if (code == 0) {
4989             pResultCB->TotalAllocationUnits.QuadPart = volStat.PartMaxBlocks;
4990             pResultCB->AvailableAllocationUnits.QuadPart = volStat.PartBlocksAvail;
4991
4992             pResultCB->VolumeLabelLength = cm_Utf8ToUtf16( Name, -1, pResultCB->VolumeLabel,
4993                                                            (sizeof(pResultCB->VolumeLabel) / sizeof(WCHAR)) + 1);
4994         } else {
4995             pResultCB->TotalAllocationUnits.QuadPart = 0x7FFFFFFF;
4996             pResultCB->AvailableAllocationUnits.QuadPart = (volType == ROVOL || volType == BACKVOL) ? 0 : 0x3F000000;
4997
4998             pResultCB->VolumeLabelLength = cm_Utf8ToUtf16( volp->namep, -1, pResultCB->VolumeLabel,
4999                                                            (sizeof(pResultCB->VolumeLabel) / sizeof(WCHAR)) + 1);
5000             code = 0;
5001         }
5002         if ( pResultCB->VolumeLabelLength )
5003             pResultCB->VolumeLabelLength--;
5004
5005         lock_ObtainWrite(&scp->rw);
5006     }
5007     pResultCB->VolumeLabelLength *= sizeof(WCHAR);  /* convert to bytes from chars */
5008
5009     cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
5010
5011   _done:
5012     lock_ReleaseWrite(&scp->rw);
5013     if (volp)
5014        cm_PutVolume(volp);
5015     cm_ReleaseSCache(scp);
5016
5017     smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
5018     (*ResultCB)->ResultStatus = status;
5019     osi_Log0(afsd_logp, "RDR_GetVolumeInfo SUCCESS");
5020     return;
5021 }
5022
5023 void
5024 RDR_HoldFid( IN cm_user_t     *userp,
5025              IN AFSHoldFidRequestCB * pHoldFidCB,
5026              IN BOOL bFast,
5027              IN DWORD ResultBufferLength,
5028              IN OUT AFSCommResult **ResultCB)
5029 {
5030     AFSHoldFidResultCB *pResultCB = NULL;
5031     DWORD       index;
5032     DWORD       Length;
5033     cm_req_t    req;
5034
5035     RDR_InitReq(&req);
5036
5037     osi_Log1(afsd_logp, "RDR_HoldFid Count=%u", pHoldFidCB->Count);
5038
5039     Length = sizeof(AFSHoldFidResultCB) + (pHoldFidCB->Count-1) * sizeof(AFSFidResult);
5040     if (Length > ResultBufferLength) {
5041         *ResultCB = (AFSCommResult *)malloc(sizeof(AFSCommResult) );
5042         if (!(*ResultCB))
5043             return;
5044         memset( *ResultCB, 0, sizeof(AFSCommResult));
5045         (*ResultCB)->ResultStatus = STATUS_BUFFER_OVERFLOW;
5046         return;
5047     }
5048     *ResultCB = (AFSCommResult *)malloc( Length + sizeof( AFSCommResult) );
5049     if (!(*ResultCB))
5050         return;
5051     memset( *ResultCB, '\0', Length );
5052     (*ResultCB)->ResultBufferLength = Length;
5053     pResultCB = (AFSHoldFidResultCB *)(*ResultCB)->ResultData;
5054
5055     for ( index = 0; index < pHoldFidCB->Count; index++ )
5056     {
5057         cm_scache_t *scp = NULL;
5058         cm_fid_t    Fid;
5059
5060         Fid.cell   = pResultCB->Result[index].FileID.Cell   = pHoldFidCB->FileID[index].Cell;
5061         Fid.volume = pResultCB->Result[index].FileID.Volume = pHoldFidCB->FileID[index].Volume;
5062         Fid.vnode  = pResultCB->Result[index].FileID.Vnode  = pHoldFidCB->FileID[index].Vnode;
5063         Fid.unique = pResultCB->Result[index].FileID.Unique = pHoldFidCB->FileID[index].Unique;
5064         Fid.hash   = pResultCB->Result[index].FileID.Hash   = pHoldFidCB->FileID[index].Hash;
5065
5066         osi_Log4( afsd_logp,
5067                   "RDR_HoldFid File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
5068                   Fid.cell, Fid.volume, Fid.vnode, Fid.unique);
5069
5070         scp = cm_FindSCache(&Fid);
5071         if (scp) {
5072             RDR_FlagScpInUse( scp, FALSE );
5073             cm_ReleaseSCache(scp);
5074         }
5075         pResultCB->Result[index].Status = 0;
5076     }
5077
5078     (*ResultCB)->ResultStatus = 0;
5079     osi_Log0(afsd_logp, "RDR_HoldFid SUCCESS");
5080     return;
5081 }
5082
5083 void
5084 RDR_ReleaseFid( IN cm_user_t     *userp,
5085                 IN AFSReleaseFidRequestCB * pReleaseFidCB,
5086                 IN BOOL bFast,
5087                 IN DWORD ResultBufferLength,
5088                 IN OUT AFSCommResult **ResultCB)
5089 {
5090     AFSReleaseFidResultCB *pResultCB = NULL;
5091     DWORD       index;
5092     DWORD       Length;
5093     cm_req_t    req;
5094
5095     RDR_InitReq(&req);
5096
5097     osi_Log1(afsd_logp, "RDR_ReleaseFid Count=%u", pReleaseFidCB->Count);
5098
5099     Length = sizeof(AFSReleaseFidResultCB) + (pReleaseFidCB->Count ? pReleaseFidCB->Count-1 : 0) * sizeof(AFSFidResult);
5100     if (Length > ResultBufferLength) {
5101         *ResultCB = (AFSCommResult *)malloc(sizeof(AFSCommResult) );
5102         if (!(*ResultCB))
5103             return;
5104         memset( *ResultCB, 0, sizeof(AFSCommResult));
5105         (*ResultCB)->ResultStatus = STATUS_BUFFER_OVERFLOW;
5106         return;
5107     }
5108     *ResultCB = (AFSCommResult *)malloc( Length + sizeof( AFSCommResult) );
5109     if (!(*ResultCB))
5110         return;
5111     memset( *ResultCB, '\0', Length );
5112     (*ResultCB)->ResultBufferLength = Length;
5113     pResultCB = (AFSReleaseFidResultCB *)(*ResultCB)->ResultData;
5114
5115     for ( index = 0; index < pReleaseFidCB->Count; index++ )
5116     {
5117         cm_scache_t *scp = NULL;
5118         cm_fid_t    Fid;
5119
5120         Fid.cell   = pResultCB->Result[index].FileID.Cell   = pReleaseFidCB->FileID[index].Cell;
5121         Fid.volume = pResultCB->Result[index].FileID.Volume = pReleaseFidCB->FileID[index].Volume;
5122         Fid.vnode  = pResultCB->Result[index].FileID.Vnode  = pReleaseFidCB->FileID[index].Vnode;
5123         Fid.unique = pResultCB->Result[index].FileID.Unique = pReleaseFidCB->FileID[index].Unique;
5124         Fid.hash   = pResultCB->Result[index].FileID.Hash   = pReleaseFidCB->FileID[index].Hash;
5125
5126         osi_Log4( afsd_logp,
5127                   "RDR_ReleaseFid File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
5128                   Fid.cell, Fid.volume, Fid.vnode, Fid.unique);
5129
5130         scp = cm_FindSCache(&Fid);
5131         if (scp) {
5132             lock_ObtainWrite(&scp->rw);
5133             scp->flags &= ~CM_SCACHEFLAG_RDR_IN_USE;
5134             lock_ReleaseWrite(&scp->rw);
5135
5136             cm_ReleaseSCache(scp);
5137         }
5138         pResultCB->Result[index].Status = 0;
5139     }
5140     pResultCB->Count = pReleaseFidCB->Count;
5141
5142     (*ResultCB)->ResultStatus = 0;
5143     osi_Log0(afsd_logp, "RDR_ReleaseFid SUCCESS");
5144     return;
5145 }
5146
5147 /*
5148  * The redirector makes several assumptions regarding the
5149  * SRVSVC and WKSSVC pipes transactions.  First, the interface
5150  * versions are those indicated below.  Secondly, the encoding
5151  * will be performed using NDR version 2.  These assumptions
5152  * may not hold in the future and end-to-end MSRPC Bind
5153  * negotiations may need to be supported.  Of course, these
5154  * are the only interface versions that are supported by the
5155  * service.
5156  */
5157 #define MSRPC_PIPE_PREFIX L".\\"
5158
5159 static const UUID MSRPC_SRVSVC_UUID = {0x4B324FC8, 0x1670, 0x01D3,
5160                                        {0x12, 0x78, 0x5A, 0x47, 0xBF, 0x6E, 0xE1, 0x88}};
5161 #define MSRPC_SRVSVC_NAME L"PIPE\\SRVSVC"
5162 #define MSRPC_SRVSVC_VERS 3
5163
5164 static const UUID MSRPC_WKSSVC_UUID = {0x6BFFD098, 0xA112, 0x3610,
5165                                        {0x98, 0x33, 0x46, 0xC3, 0xF8, 0x7E, 0x34, 0x5A}};
5166 #define MSRPC_WKSSVC_NAME L"PIPE\\WKSSVC"
5167 #define MSRPC_WKSSVC_VERS 1
5168
5169 static const UUID MSRPC_NDR_UUID = {0x8A885D04, 0x1CEB, 0x11C9,
5170                                     {0x9F, 0xE8, 0x08, 0x00, 0x2B, 0x10, 0x48, 0x60}};
5171 #define MSRPC_NDR_NAME    L"NDR"
5172 #define MSRPC_NDR_VERS    2
5173
5174 extern RPC_IF_HANDLE srvsvc_v3_0_s_ifspec;
5175 extern RPC_IF_HANDLE wkssvc_v1_0_s_ifspec;
5176
5177 void
5178 RDR_PipeOpen( IN cm_user_t *userp,
5179               IN AFSFileID  ParentId,
5180               IN WCHAR     *Name,
5181               IN DWORD      NameLength,
5182               IN AFSPipeOpenCloseRequestCB *pPipe_CB,
5183               IN BOOL bWow64,
5184               IN DWORD ResultBufferLength,
5185               IN OUT AFSCommResult **ResultCB)
5186 {
5187     cm_fid_t    ParentFid;
5188     cm_fid_t    RootFid;
5189
5190     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult));
5191     if (!(*ResultCB))
5192         return;
5193
5194     memset( *ResultCB,
5195             '\0',
5196             sizeof( AFSCommResult));
5197
5198     /* Get the active directory */
5199     ParentFid.cell = ParentId.Cell;
5200     ParentFid.volume = ParentId.Volume;
5201     ParentFid.vnode = ParentId.Vnode;
5202     ParentFid.unique = ParentId.Unique;
5203     ParentFid.hash = ParentId.Hash;
5204
5205     /* Get the root directory */
5206     RootFid.cell = pPipe_CB->RootId.Cell;
5207     RootFid.volume = pPipe_CB->RootId.Volume;
5208     RootFid.vnode = pPipe_CB->RootId.Vnode;
5209     RootFid.unique = pPipe_CB->RootId.Unique;
5210     RootFid.hash = pPipe_CB->RootId.Hash;
5211
5212     /* Create the pipe index */
5213     (*ResultCB)->ResultStatus =
5214       RDR_SetupPipe( pPipe_CB->RequestId, &ParentFid, &RootFid,
5215                      Name, NameLength, userp);
5216     return;
5217 }
5218
5219
5220 void
5221 RDR_PipeClose( IN cm_user_t *userp,
5222                IN AFSFileID  ParentId,
5223                IN AFSPipeOpenCloseRequestCB *pPipe_CB,
5224                IN BOOL bWow64,
5225                IN DWORD ResultBufferLength,
5226                IN OUT AFSCommResult **ResultCB)
5227 {
5228     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult));
5229     if (!(*ResultCB))
5230         return;
5231
5232     memset( *ResultCB,
5233             '\0',
5234             sizeof( AFSCommResult));
5235
5236     /* Cleanup the pipe index */
5237     RDR_CleanupPipe(pPipe_CB->RequestId);
5238
5239     return;
5240 }
5241
5242
5243 void
5244 RDR_PipeWrite( IN cm_user_t *userp,
5245                IN AFSFileID  ParentId,
5246                IN AFSPipeIORequestCB *pPipe_CB,
5247                IN BYTE *pPipe_Data,
5248                IN BOOL bWow64,
5249                IN DWORD ResultBufferLength,
5250                IN OUT AFSCommResult **ResultCB)
5251 {
5252     AFSPipeIOResultCB *pResultCB;
5253     cm_scache_t *dscp = NULL;
5254     afs_uint32  code;
5255     cm_req_t    req;
5256     DWORD       status;
5257
5258     RDR_InitReq(&req);
5259     if ( bWow64 )
5260         req.flags |= CM_REQ_WOW64;
5261
5262     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult) + sizeof(AFSPipeIOResultCB));
5263     if (!(*ResultCB))
5264         return;
5265
5266     memset( *ResultCB,
5267             '\0',
5268             sizeof( AFSCommResult) + sizeof(AFSPipeIOResultCB));
5269
5270     pResultCB = (AFSPipeIOResultCB *)(*ResultCB)->ResultData;
5271
5272     code = RDR_Pipe_Write( pPipe_CB->RequestId, pPipe_CB->BufferLength, pPipe_Data, &req, userp);
5273     if (code) {
5274         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
5275         (*ResultCB)->ResultStatus = status;
5276         return;
5277     }
5278
5279     pResultCB->BytesProcessed = pPipe_CB->BufferLength;
5280     (*ResultCB)->ResultBufferLength = sizeof( AFSPipeIOResultCB);
5281 }
5282
5283
5284 void
5285 RDR_PipeRead( IN cm_user_t *userp,
5286               IN AFSFileID  ParentId,
5287               IN AFSPipeIORequestCB *pPipe_CB,
5288               IN BOOL bWow64,
5289               IN DWORD ResultBufferLength,
5290               IN OUT AFSCommResult **ResultCB)
5291 {
5292     BYTE *pPipe_Data;
5293     cm_scache_t *dscp = NULL;
5294     afs_uint32  code;
5295     cm_req_t    req;
5296     DWORD       status;
5297
5298     RDR_InitReq(&req);
5299     if ( bWow64 )
5300         req.flags |= CM_REQ_WOW64;
5301
5302     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult) + ResultBufferLength);
5303     if (!(*ResultCB))
5304         return;
5305
5306     memset( *ResultCB,
5307             '\0',
5308             sizeof( AFSCommResult));
5309
5310     pPipe_Data = (BYTE *)(*ResultCB)->ResultData;
5311
5312     code = RDR_Pipe_Read( pPipe_CB->RequestId, ResultBufferLength, pPipe_Data,
5313                           &(*ResultCB)->ResultBufferLength, &req, userp);
5314     if (code) {
5315         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
5316         (*ResultCB)->ResultStatus = status;
5317         return;
5318     }
5319 }
5320
5321
5322 void
5323 RDR_PipeSetInfo( IN cm_user_t *userp,
5324                  IN AFSFileID  ParentId,
5325                  IN AFSPipeInfoRequestCB *pPipeInfo_CB,
5326                  IN BYTE *pPipe_Data,
5327                  IN BOOL bWow64,
5328                  IN DWORD ResultBufferLength,
5329                  IN OUT AFSCommResult **ResultCB)
5330 {
5331     cm_scache_t *dscp = NULL;
5332     cm_req_t    req;
5333     DWORD       status;
5334
5335     RDR_InitReq(&req);
5336     if ( bWow64 )
5337         req.flags |= CM_REQ_WOW64;
5338
5339     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult));
5340     if (!(*ResultCB))
5341         return;
5342
5343     memset( *ResultCB,
5344             '\0',
5345             sizeof( AFSCommResult));
5346
5347     status = RDR_Pipe_SetInfo( pPipeInfo_CB->RequestId, pPipeInfo_CB->InformationClass,
5348                                pPipeInfo_CB->BufferLength, pPipe_Data, &req, userp);
5349
5350     (*ResultCB)->ResultStatus = status;
5351 }
5352
5353
5354 void
5355 RDR_PipeQueryInfo( IN cm_user_t *userp,
5356                    IN AFSFileID  ParentId,
5357                    IN AFSPipeInfoRequestCB *pPipeInfo_CB,
5358                    IN BOOL bWow64,
5359                    IN DWORD ResultBufferLength,
5360                    IN OUT AFSCommResult **ResultCB)
5361 {
5362     BYTE *pPipe_Data;
5363     cm_scache_t *dscp = NULL;
5364     cm_req_t    req;
5365     DWORD       status;
5366
5367     RDR_InitReq(&req);
5368     if ( bWow64 )
5369         req.flags |= CM_REQ_WOW64;
5370
5371     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult) + ResultBufferLength);
5372     if (!(*ResultCB))
5373         return;
5374
5375     memset( *ResultCB,
5376             '\0',
5377             sizeof( AFSCommResult) + sizeof(AFSPipeIOResultCB));
5378
5379     pPipe_Data = (BYTE *)(*ResultCB)->ResultData;
5380
5381     status = RDR_Pipe_QueryInfo( pPipeInfo_CB->RequestId, pPipeInfo_CB->InformationClass,
5382                                  ResultBufferLength, pPipe_Data,
5383                                  &(*ResultCB)->ResultBufferLength, &req, userp);
5384
5385     (*ResultCB)->ResultStatus = status;
5386 }
5387
5388 void
5389 RDR_PipeTransceive( IN cm_user_t     *userp,
5390                     IN AFSFileID  ParentId,
5391                     IN AFSPipeIORequestCB *pPipe_CB,
5392                     IN BYTE *pPipe_InData,
5393                     IN BOOL bWow64,
5394                     IN DWORD ResultBufferLength,
5395                     IN OUT AFSCommResult **ResultCB)
5396 {
5397     /*
5398      * This function processes a Pipe Service request
5399      * that would normally be sent to a LAN Manager server
5400      * across an authenticated SMB-PIPE/MSRPC/SVC request
5401      * stack.  The request is being sent here because the
5402      * application (e.g., Explorer Shell or Common Control File
5403      * dialog) believes that because the UNC path it is
5404      * processing has specified a server name that is not
5405      * "." and that the Server is remote and that the Share
5406      * list cannot be obtained using the Network Provider
5407      * interface.
5408      *
5409      * The file system driver is faking the Bind-Ack response
5410      * to the MSRPC Bind request but cannot decode the NDR
5411      * encoded Pipe Service requests.  For that we will use
5412      * the service's MSRPC module.  However, unlike the SMB
5413      * server usage we must fake the MSRPC Bind exchange and
5414      * map the PipeName to an interface instead of using the
5415      * GUID specified in the MSRPC Bind request.
5416      *
5417      * None of the requests that are being processed by the
5418      * service require authentication.  As a result the userp
5419      * parameter will be ignored.
5420      *
5421      * Although there are dozens of Pipe Services, the only
5422      * ones that we are implementing are WKSSVC and SRVSVC.
5423      * These support NetShareEnum, NetShareGetInfo,
5424      * NetServerGetInfo, and NetWorkstaGetInfo which are
5425      * commonly queried by NET VIEW, the Explorer Shell,
5426      * and the Common Control File dialog.
5427      */
5428     BYTE *pPipe_OutData;
5429     cm_scache_t *dscp = NULL;
5430     afs_uint32  code;
5431     cm_req_t    req;
5432     DWORD       status;
5433     DWORD Length = ResultBufferLength + sizeof( AFSCommResult);
5434
5435     RDR_InitReq(&req);
5436     if ( bWow64 )
5437         req.flags |= CM_REQ_WOW64;
5438
5439     *ResultCB = (AFSCommResult *)malloc( Length);
5440     if (!(*ResultCB))
5441         return;
5442     memset( *ResultCB, '\0', Length );
5443
5444     code = RDR_Pipe_Write( pPipe_CB->RequestId, pPipe_CB->BufferLength, pPipe_InData, &req, userp);
5445     if (code) {
5446         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
5447         osi_Log2( afsd_logp, "RDR_Pipe_Transceive Write FAILURE code=0x%x status=0x%x",
5448                   code, status);
5449         (*ResultCB)->ResultStatus = status;
5450         return;
5451     }
5452
5453     pPipe_OutData = (BYTE *)(*ResultCB)->ResultData;
5454     code = RDR_Pipe_Read( pPipe_CB->RequestId, ResultBufferLength, pPipe_OutData,
5455                           &(*ResultCB)->ResultBufferLength, &req, userp);
5456     if (code) {
5457         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
5458         osi_Log2( afsd_logp, "RDR_Pipe_Transceive Read FAILURE code=0x%x status=0x%x",
5459                   code, status);
5460         (*ResultCB)->ResultStatus = status;
5461         return;
5462     }
5463
5464     (*ResultCB)->ResultStatus = 0;
5465     osi_Log0(afsd_logp, "RDR_Pipe_Transceive SUCCESS");
5466 }