src/WINNT/afsrdr/user/RDRFunction.c

   1 /*
   2  * Copyright (c) 2008 Secure Endpoints, Inc.
   3  * Copyright (c) 2009-2011 Your File System, Inc.
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions are met:
   8  *
   9  * - Redistributions of source code must retain the above copyright notice,
  10  *   this list of conditions and the following disclaimer.
  11  * - Redistributions in binary form must reproduce the above copyright notice,
  12  *   this list of conditions and the following disclaimer in the documentation
  13  *   and/or other materials provided with the distribution.
  14  * - Neither the name of Secure Endpoints Inc. nor the names of its contributors
  15  *   may be used to endorse or promote products derived from this software without
  16  *   specific prior written permission from Secure Endpoints, Inc. and
  17  *   Your File System, Inc.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  20  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
  22  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
  23  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  24  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  25  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  26  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  27  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  28  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  29  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 #include <afsconfig.h>
  33 #include <afs/param.h>
  34
  35 #ifndef _WIN32_WINNT
  36 #define _WIN32_WINNT 0x0500
  37 #endif
  38 #define _CRT_SECURE_NO_DEPRECATE
  39 #define _CRT_NON_CONFORMING_SWPRINTFS
  40 #define INITGUID        /* define AFS_AUTH_GUID_NO_PAG */
  41
  42 #include <ntstatus.h>
  43 #define WIN32_NO_STATUS
  44 #include <windows.h>
  45
  46 #include <roken.h>
  47
  48 #include <afs/stds.h>
  49
  50 #include <ntsecapi.h>
  51 #include <sddl.h>
  52 #pragma warning(push)
  53 #pragma warning(disable: 4005)
  54
  55 #include <devioctl.h>
  56
  57 #include "..\\Common\\AFSUserDefines.h"
  58 #include "..\\Common\\AFSUserStructs.h"
  59
  60 #pragma warning(pop)
  61
  62 #include <tchar.h>
  63 #include <wchar.h>
  64 #include <winbase.h>
  65 #include <winreg.h>
  66
  67 #include <stdio.h>
  68 #include <stdlib.h>
  69 #include <stdarg.h>
  70 #include <strsafe.h>
  71
  72 #include "afsd.h"
  73 #include "smb.h"
  74 #include "cm_btree.h"
  75 #include "msrpc.h"
  76 #include <RDRPrototypes.h>
  77 #include <RDRIoctl.h>
  78 #include <RDRPipe.h>
  79
  80 static CHAR * RDR_extentBaseAddress = NULL;
  81
  82 void
  83 RDR_InitReq(cm_req_t *reqp, BOOL bWow64)
  84 {
  85     cm_InitReq(reqp);
  86     reqp->flags |= CM_REQ_SOURCE_REDIR;
  87     if (bWow64)
  88         reqp->flags |= CM_REQ_WOW64;
  89 }
  90
  91 void
  92 RDR_fid2FID( cm_fid_t *fid, AFSFileID *FileId)
  93 {
  94     FileId->Cell = fid->cell;
  95     FileId->Volume = fid->volume;
  96     FileId->Vnode = fid->vnode;
  97     FileId->Unique = fid->unique;
  98     FileId->Hash = fid->hash;
  99 }
 100
 101 void
 102 RDR_FID2fid( AFSFileID *FileId, cm_fid_t *fid)
 103 {
 104     fid->cell = FileId->Cell;
 105     fid->volume = FileId->Volume;
 106     fid->vnode = FileId->Vnode;
 107     fid->unique = FileId->Unique;
 108     fid->hash = FileId->Hash;
 109 }
 110
 111 DWORD
 112 RDR_SetInitParams( OUT AFSRedirectorInitInfo **ppRedirInitInfo, OUT DWORD * pRedirInitInfoLen )
 113 {
 114     extern char cm_CachePath[];
 115     extern cm_config_data_t cm_data;
 116     extern int smb_hideDotFiles;
 117     size_t cm_CachePathLen = strlen(cm_CachePath);
 118     size_t err;
 119     DWORD TempPathLen = ExpandEnvironmentStringsW(L"%TEMP%", NULL, 0);
 120     MEMORYSTATUSEX memStatus;
 121     DWORD maxMemoryCacheSize;
 122
 123     memStatus.dwLength = sizeof(memStatus);
 124     if (GlobalMemoryStatusEx(&memStatus)) {
 125         /*
 126          * Use the memory extent interface in the afs redirector
 127          * whenever the cache size is less than equal to 10% of
 128          * physical memory.  Do not use too much because this memory
 129          * will be locked by the redirector so it can't be swapped
 130          * out.
 131          */
 132         maxMemoryCacheSize = (DWORD)(memStatus.ullTotalPhys / 1024 / 10);
 133     } else {
 134         /*
 135          * If we can't determine the amount of physical memory
 136          * in the system, be conservative and limit the use of
 137          * memory extent interface to 64MB data caches.
 138          */
 139         maxMemoryCacheSize = 65536;
 140     }
 141
 142     *pRedirInitInfoLen = (DWORD) (sizeof(AFSRedirectorInitInfo) + (cm_CachePathLen + TempPathLen) * sizeof(WCHAR));
 143     *ppRedirInitInfo = (AFSRedirectorInitInfo *)malloc(*pRedirInitInfoLen);
 144     (*ppRedirInitInfo)->Flags = smb_hideDotFiles ? AFS_REDIR_INIT_FLAG_HIDE_DOT_FILES : 0;
 145     (*ppRedirInitInfo)->Flags |= cm_shortNames ? 0 : AFS_REDIR_INIT_FLAG_DISABLE_SHORTNAMES;
 146     (*ppRedirInitInfo)->MaximumChunkLength = cm_data.chunkSize;
 147     (*ppRedirInitInfo)->GlobalFileId.Cell   = cm_data.rootFid.cell;
 148     (*ppRedirInitInfo)->GlobalFileId.Volume = cm_data.rootFid.volume;
 149     (*ppRedirInitInfo)->GlobalFileId.Vnode  = cm_data.rootFid.vnode;
 150     (*ppRedirInitInfo)->GlobalFileId.Unique = cm_data.rootFid.unique;
 151     (*ppRedirInitInfo)->GlobalFileId.Hash   = cm_data.rootFid.hash;
 152     (*ppRedirInitInfo)->ExtentCount.QuadPart = cm_data.buf_nbuffers;
 153     (*ppRedirInitInfo)->CacheBlockSize = cm_data.blockSize;
 154     (*ppRedirInitInfo)->MaxPathLinkCount = MAX_FID_COUNT;
 155     (*ppRedirInitInfo)->NameArrayLength = MAX_FID_COUNT;
 156     if (cm_virtualCache || cm_data.bufferSize <= maxMemoryCacheSize) {
 157         osi_Log0(afsd_logp, "RDR_SetInitParams Initializing Memory Extent Interface");
 158         (*ppRedirInitInfo)->MemoryCacheOffset.QuadPart = (LONGLONG)cm_data.bufDataBaseAddress;
 159         (*ppRedirInitInfo)->MemoryCacheLength.QuadPart = cm_data.bufEndOfData - cm_data.bufDataBaseAddress;
 160         (*ppRedirInitInfo)->CacheFileNameLength = 0;
 161         RDR_extentBaseAddress = cm_data.bufDataBaseAddress;
 162     } else {
 163         (*ppRedirInitInfo)->MemoryCacheOffset.QuadPart = 0;
 164         (*ppRedirInitInfo)->MemoryCacheLength.QuadPart = 0;
 165         (*ppRedirInitInfo)->CacheFileNameLength = (ULONG) (cm_CachePathLen * sizeof(WCHAR));
 166         err = mbstowcs((*ppRedirInitInfo)->CacheFileName, cm_CachePath, (cm_CachePathLen + 1) *sizeof(WCHAR));
 167         if (err == -1) {
 168             free(*ppRedirInitInfo);
 169             osi_Log0(afsd_logp, "RDR_SetInitParams Invalid Object Name");
 170             return STATUS_OBJECT_NAME_INVALID;
 171         }
 172         RDR_extentBaseAddress = cm_data.baseAddress;
 173     }
 174     (*ppRedirInitInfo)->DumpFileLocationOffset = FIELD_OFFSET(AFSRedirectorInitInfo, CacheFileName) + (*ppRedirInitInfo)->CacheFileNameLength;
 175     (*ppRedirInitInfo)->DumpFileLocationLength = (TempPathLen - 1) * sizeof(WCHAR);
 176     ExpandEnvironmentStringsW(L"%TEMP%",
 177                               (LPWSTR)(((PBYTE)(*ppRedirInitInfo)) + (*ppRedirInitInfo)->DumpFileLocationOffset),
 178                               TempPathLen);
 179
 180     osi_Log0(afsd_logp,"RDR_SetInitParams Success");
 181     return 0;
 182 }
 183
 184 static wchar_t cname[MAX_COMPUTERNAME_LENGTH+1] = L"";
 185
 186 cm_user_t *
 187 RDR_GetLocalSystemUser( void)
 188 {
 189     smb_username_t *unp;
 190     cm_user_t *userp = NULL;
 191
 192     if ( cname[0] == '\0') {
 193         int len = MAX_COMPUTERNAME_LENGTH+1;
 194         GetComputerNameW(cname, &len);
 195         _wcsupr(cname);
 196     }
 197     unp = smb_FindUserByName(NTSID_LOCAL_SYSTEM, cname, SMB_FLAG_CREATE);
 198     lock_ObtainMutex(&unp->mx);
 199     if (!unp->userp)
 200         unp->userp = cm_NewUser();
 201     unp->flags |= SMB_USERNAMEFLAG_SID;
 202     lock_ReleaseMutex(&unp->mx);
 203     userp = unp->userp;
 204     cm_HoldUser(userp);
 205     smb_ReleaseUsername(unp);
 206
 207     if (!userp) {
 208         userp = cm_rootUserp;
 209         cm_HoldUser(userp);
 210     }
 211
 212     return userp;
 213 }
 214
 215 cm_user_t *
 216 RDR_UserFromCommRequest( IN AFSCommRequest *RequestBuffer)
 217 {
 218
 219     return RDR_UserFromAuthGroup( &RequestBuffer->AuthGroup);
 220 }
 221
 222 cm_user_t *
 223 RDR_UserFromAuthGroup( IN GUID *pGuid)
 224 {
 225     smb_username_t *unp;
 226     cm_user_t * userp = NULL;
 227     RPC_WSTR UuidString = NULL;
 228
 229     if (UuidToStringW((UUID *)pGuid, &UuidString) != RPC_S_OK)
 230         goto done;
 231
 232     if ( cname[0] == '\0') {
 233         int len = MAX_COMPUTERNAME_LENGTH+1;
 234         GetComputerNameW(cname, &len);
 235         _wcsupr(cname);
 236     }
 237
 238     unp = smb_FindUserByName(UuidString, cname, SMB_FLAG_CREATE);
 239     lock_ObtainMutex(&unp->mx);
 240     if (!unp->userp) {
 241         unp->userp = cm_NewUser();
 242         memcpy(&unp->userp->authgroup, pGuid, sizeof(GUID));
 243     }
 244     unp->flags |= SMB_USERNAMEFLAG_SID;
 245     lock_ReleaseMutex(&unp->mx);
 246     userp = unp->userp;
 247     cm_HoldUser(userp);
 248     smb_ReleaseUsername(unp);
 249
 250   done:
 251     if (!userp) {
 252         userp = cm_rootUserp;
 253         cm_HoldUser(userp);
 254     }
 255
 256     osi_Log2(afsd_logp, "RDR_UserFromCommRequest Guid %S userp = 0x%p",
 257              osi_LogSaveStringW(afsd_logp, UuidString),
 258              userp);
 259
 260     if (UuidString)
 261         RpcStringFreeW(&UuidString);
 262
 263     return userp;
 264 }
 265
 266 void
 267 RDR_ReleaseUser( IN cm_user_t *userp )
 268 {
 269     osi_Log1(afsd_logp, "RDR_ReleaseUser userp = 0x%p", userp);
 270     cm_ReleaseUser(userp);
 271 }
 272
 273
 274 /*
 275  * RDR_FlagScpInUse flags the scp with CM_SCACHEFLAG_RDR_IN_USE
 276  */
 277 static void
 278 RDR_FlagScpInUse( IN cm_scache_t *scp, IN BOOL bLocked )
 279 {
 280     if (!bLocked)
 281         lock_ObtainWrite(&scp->rw);
 282
 283     lock_AssertWrite(&scp->rw);
 284     scp->flags |= CM_SCACHEFLAG_RDR_IN_USE;
 285
 286     if (!bLocked)
 287         lock_ReleaseWrite(&scp->rw);
 288 }
 289
 290 /*
 291  * Obtain the status information for the specified object using
 292  * an inline bulk status rpc.  cm_BPlusDirEnumBulkStatOne() will
 293  * obtain current status for the directory object, the object
 294  * which is the focus of the inquiry and as many other objects
 295  * in the directory for which there are not callbacks registered
 296  * since we are likely to be asked for other objects in the directory.
 297  */
 298 static afs_uint32
 299 RDR_BulkStatLookup( cm_scache_t *dscp,
 300                     cm_scache_t *scp,
 301                     cm_user_t   *userp,
 302                     cm_req_t    *reqp)
 303 {
 304     cm_direnum_t *      enump = NULL;
 305     afs_uint32  code = 0;
 306     cm_dirOp_t    dirop;
 307
 308     code = cm_BeginDirOp(dscp, userp, reqp, CM_DIRLOCK_READ, CM_DIROP_FLAG_NONE, &dirop);
 309     if (code == 0) {
 310         code = cm_BPlusDirEnumerate(dscp, userp, reqp, TRUE, NULL, TRUE, &enump);
 311         if (code) {
 312             osi_Log1(afsd_logp, "RDR_BulkStatLookup cm_BPlusDirEnumerate failure code=0x%x",
 313                       code);
 314         }
 315         cm_EndDirOp(&dirop);
 316     } else {
 317         osi_Log1(afsd_logp, "RDR_BulkStatLookup cm_BeginDirOp failure code=0x%x",
 318                   code);
 319     }
 320
 321     if (enump)
 322     {
 323         code = cm_BPlusDirEnumBulkStatOne(enump, scp);
 324         if (code) {
 325             osi_Log1(afsd_logp, "RDR_BulkStatLookup cm_BPlusDirEnumBulkStatOne failure code=0x%x",
 326                       code);
 327         }
 328         cm_BPlusDirFreeEnumeration(enump);
 329     }
 330
 331     return code;
 332 }
 333
 334
 335 #define RDR_POP_FOLLOW_MOUNTPOINTS 0x01
 336 #define RDR_POP_EVALUATE_SYMLINKS  0x02
 337 #define RDR_POP_WOW64              0x04
 338 #define RDR_POP_NO_GETSTATUS       0x08
 339
 340 static afs_uint32
 341 RDR_PopulateCurrentEntry( IN  AFSDirEnumEntry * pCurrentEntry,
 342                           IN  DWORD             dwMaxEntryLength,
 343                           IN  cm_scache_t     * dscp,
 344                           IN  cm_scache_t     * scp,
 345                           IN  cm_user_t       * userp,
 346                           IN  cm_req_t        * reqp,
 347                           IN  wchar_t         * name,
 348                           IN  wchar_t         * shortName,
 349                           IN  DWORD             dwFlags,
 350                           IN  afs_uint32        cmError,
 351                           OUT AFSDirEnumEntry **ppNextEntry,
 352                           OUT DWORD           * pdwRemainingLength)
 353 {
 354     FILETIME ft;
 355     WCHAR *  wname, *wtarget;
 356     size_t   len;
 357     DWORD      dwEntryLength;
 358     afs_uint32 code = 0, code2 = 0;
 359     BOOL          bMustFake = FALSE;
 360
 361     osi_Log5(afsd_logp, "RDR_PopulateCurrentEntry dscp=0x%p scp=0x%p name=%S short=%S flags=0x%x",
 362              dscp, scp, osi_LogSaveStringW(afsd_logp, name),
 363              osi_LogSaveStringW(afsd_logp, shortName), dwFlags);
 364     osi_Log1(afsd_logp, "... maxLength=%d", dwMaxEntryLength);
 365
 366     if (dwMaxEntryLength < sizeof(AFSDirEnumEntry) + (MAX_PATH + MOUNTPOINTLEN) * sizeof(wchar_t)) {
 367         if (ppNextEntry)
 368             *ppNextEntry = pCurrentEntry;
 369         if (pdwRemainingLength)
 370             *pdwRemainingLength = dwMaxEntryLength;
 371         osi_Log2(afsd_logp, "RDR_PopulateCurrentEntry Not Enough Room for Entry %d < %d",
 372                  dwMaxEntryLength, sizeof(AFSDirEnumEntry) + (MAX_PATH + MOUNTPOINTLEN) * sizeof(wchar_t));
 373         return CM_ERROR_TOOBIG;
 374     }
 375
 376     if (!name)
 377         name = L"";
 378     if (!shortName)
 379         shortName = L"";
 380
 381     dwEntryLength = sizeof(AFSDirEnumEntry);
 382
 383     lock_ObtainWrite(&scp->rw);
 384     if (dwFlags & RDR_POP_NO_GETSTATUS) {
 385         if (!cm_HaveCallback(scp))
 386             bMustFake = TRUE;
 387     } else {
 388 #ifdef AFS_FREELANCE_CLIENT
 389         if (scp->fid.cell == AFS_FAKE_ROOT_CELL_ID && scp->fid.volume == AFS_FAKE_ROOT_VOL_ID) {
 390             /*
 391              * If the FID is from the Freelance Local Root always perform
 392              * a single item status check.
 393              */
 394             code = cm_SyncOp( scp, NULL, userp, reqp, 0,
 395                               CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
 396             if (code) {
 397                 lock_ReleaseWrite(&scp->rw);
 398                 osi_Log2(afsd_logp, "RDR_PopulateCurrentEntry cm_SyncOp failed for scp=0x%p code=0x%x",
 399                          scp, code);
 400                 return code;
 401             }
 402         } else
 403 #endif
 404         {
 405             /*
 406              * For non-Freelance objects, check to see if we have current
 407              * status information.  If not, perform a bulk status lookup of multiple
 408              * entries in order to reduce the number of RPCs issued to the file server.
 409              */
 410             if (cm_EAccesFindEntry(userp, &scp->fid))
 411                 bMustFake = TRUE;
 412             else if (!cm_HaveCallback(scp)) {
 413                 lock_ReleaseWrite(&scp->rw);
 414                 code = RDR_BulkStatLookup(dscp, scp, userp, reqp);
 415                 if (code) {
 416                     osi_Log2(afsd_logp, "RDR_PopulateCurrentEntry RDR_BulkStatLookup failed for scp=0x%p code=0x%x",
 417                              scp, code);
 418                     return code;
 419                 }
 420                 lock_ObtainWrite(&scp->rw);
 421                 /*
 422                  * RDR_BulkStatLookup can succeed but it may be the case that there
 423                  * still is not valid status info.  If we get this far, generate fake
 424                  * status info.
 425                  */
 426                 if (!cm_HaveCallback(scp))
 427                     bMustFake = TRUE;
 428             }
 429         }
 430     }
 431
 432     /* Populate the error code */
 433     smb_MapNTError(cmError, &pCurrentEntry->NTStatus, TRUE);
 434
 435     /* Populate the real or fake data */
 436     pCurrentEntry->FileId.Cell = scp->fid.cell;
 437     pCurrentEntry->FileId.Volume = scp->fid.volume;
 438     pCurrentEntry->FileId.Vnode = scp->fid.vnode;
 439     pCurrentEntry->FileId.Unique = scp->fid.unique;
 440     pCurrentEntry->FileId.Hash = scp->fid.hash;
 441
 442     pCurrentEntry->FileType = scp->fileType;
 443
 444     pCurrentEntry->DataVersion.QuadPart = scp->dataVersion;
 445
 446     if (scp->fid.cell==AFS_FAKE_ROOT_CELL_ID &&
 447         scp->fid.volume==AFS_FAKE_ROOT_VOL_ID) {
 448         cm_LargeSearchTimeFromUnixTime(&ft, MAX_AFS_UINT32);
 449     } else {
 450         cm_LargeSearchTimeFromUnixTime(&ft, scp->cbExpires);
 451     }
 452     pCurrentEntry->Expiration.LowPart = ft.dwLowDateTime;
 453     pCurrentEntry->Expiration.HighPart = ft.dwHighDateTime;
 454
 455     if (bMustFake) {
 456         /* 1969-12-31 23:59:59 +00 */
 457         ft.dwHighDateTime = 0x19DB200;
 458         ft.dwLowDateTime = 0x5BB78980;
 459     } else
 460         cm_LargeSearchTimeFromUnixTime(&ft, scp->clientModTime);
 461     pCurrentEntry->CreationTime.LowPart = ft.dwLowDateTime;
 462     pCurrentEntry->CreationTime.HighPart = ft.dwHighDateTime;
 463     pCurrentEntry->LastAccessTime = pCurrentEntry->CreationTime;
 464     pCurrentEntry->LastWriteTime = pCurrentEntry->CreationTime;
 465     pCurrentEntry->ChangeTime = pCurrentEntry->CreationTime;
 466
 467     pCurrentEntry->EndOfFile = scp->length;
 468     pCurrentEntry->AllocationSize = scp->length;
 469
 470     if (bMustFake) {
 471         switch (scp->fileType) {
 472         case CM_SCACHETYPE_DIRECTORY:
 473             pCurrentEntry->FileAttributes = SMB_ATTR_DIRECTORY;
 474             break;
 475         case CM_SCACHETYPE_MOUNTPOINT:
 476         case CM_SCACHETYPE_INVALID:
 477             pCurrentEntry->FileAttributes = SMB_ATTR_DIRECTORY | SMB_ATTR_REPARSE_POINT;
 478             break;
 479         case CM_SCACHETYPE_SYMLINK:
 480             if (cm_TargetPerceivedAsDirectory(scp->mountPointStringp))
 481                 pCurrentEntry->FileAttributes = SMB_ATTR_DIRECTORY | SMB_ATTR_REPARSE_POINT;
 482             else
 483                 pCurrentEntry->FileAttributes = SMB_ATTR_REPARSE_POINT;
 484             break;
 485         default:
 486             /* if we get here we either have a normal file
 487             * or we have a file for which we have never
 488             * received status info.  In this case, we can
 489             * check the even/odd value of the entry's vnode.
 490             * odd means it is to be treated as a directory
 491             * and even means it is to be treated as a file.
 492             */
 493             if (scp->fid.vnode & 0x1)
 494                 pCurrentEntry->FileAttributes = SMB_ATTR_DIRECTORY;
 495             else
 496                 pCurrentEntry->FileAttributes = SMB_ATTR_NORMAL;
 497         }
 498     } else
 499         pCurrentEntry->FileAttributes = smb_ExtAttributes(scp);
 500     pCurrentEntry->EaSize = 0;
 501     pCurrentEntry->Links = scp->linkCount;
 502
 503     len = wcslen(shortName);
 504     wcsncpy(pCurrentEntry->ShortName, shortName, len);
 505     pCurrentEntry->ShortNameLength = (CCHAR)(len * sizeof(WCHAR));
 506
 507     pCurrentEntry->FileNameOffset = sizeof(AFSDirEnumEntry);
 508     len = wcslen(name);
 509     wname = (WCHAR *)((PBYTE)pCurrentEntry + pCurrentEntry->FileNameOffset);
 510     wcsncpy(wname, name, len);
 511     pCurrentEntry->FileNameLength = (ULONG)(sizeof(WCHAR) * len);
 512
 513     osi_Log3(afsd_logp, "RDR_PopulateCurrentEntry scp=0x%p fileType=%d dv=%u",
 514               scp, scp->fileType, (afs_uint32)scp->dataVersion);
 515
 516     if (!(dwFlags & RDR_POP_NO_GETSTATUS))
 517         cm_SyncOpDone( scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
 518
 519     if ((dwFlags & RDR_POP_NO_GETSTATUS) || !cm_HaveCallback(scp)) {
 520         pCurrentEntry->TargetNameOffset = 0;
 521         pCurrentEntry->TargetNameLength = 0;
 522     }
 523     else
 524     switch (scp->fileType) {
 525     case CM_SCACHETYPE_MOUNTPOINT:
 526         if (dwFlags & RDR_POP_FOLLOW_MOUNTPOINTS) {
 527             if ((code2 = cm_ReadMountPoint(scp, userp, reqp)) == 0) {
 528                 cm_scache_t *targetScp = NULL;
 529
 530                 pCurrentEntry->TargetNameOffset = pCurrentEntry->FileNameOffset + pCurrentEntry->FileNameLength;
 531                 len = strlen(scp->mountPointStringp);
 532                 wtarget = (WCHAR *)((PBYTE)pCurrentEntry + pCurrentEntry->TargetNameOffset);
 533
 534 #ifdef UNICODE
 535                 cch = MultiByteToWideChar( CP_UTF8, 0, scp->mountPointStringp,
 536                                            len * sizeof(char),
 537                                            wtarget,
 538                                            len * sizeof(WCHAR));
 539 #else
 540                 mbstowcs(wtarget, scp->mountPointStringp, len);
 541 #endif
 542                 pCurrentEntry->TargetNameLength = (ULONG)(sizeof(WCHAR) * len);
 543
 544                 code2 = cm_FollowMountPoint(scp, dscp, userp, reqp, &targetScp);
 545
 546                 if (code2 == 0) {
 547                     pCurrentEntry->TargetFileId.Cell = targetScp->fid.cell;
 548                     pCurrentEntry->TargetFileId.Volume = targetScp->fid.volume;
 549                     pCurrentEntry->TargetFileId.Vnode = targetScp->fid.vnode;
 550                     pCurrentEntry->TargetFileId.Unique = targetScp->fid.unique;
 551                     pCurrentEntry->TargetFileId.Hash = targetScp->fid.hash;
 552
 553                     osi_Log4(afsd_logp, "RDR_PopulateCurrentEntry target FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
 554                               pCurrentEntry->TargetFileId.Cell, pCurrentEntry->TargetFileId.Volume,
 555                               pCurrentEntry->TargetFileId.Vnode, pCurrentEntry->TargetFileId.Unique);
 556
 557                     cm_ReleaseSCache(targetScp);
 558                 } else {
 559                     osi_Log2(afsd_logp, "RDR_PopulateCurrentEntry cm_FollowMountPoint failed scp=0x%p code=0x%x",
 560                               scp, code2);
 561                 }
 562             } else {
 563                 osi_Log2(afsd_logp, "RDR_PopulateCurrentEntry cm_ReadMountPoint failed scp=0x%p code=0x%x",
 564                           scp, code2);
 565             }
 566         }
 567         break;
 568     case CM_SCACHETYPE_SYMLINK:
 569     case CM_SCACHETYPE_DFSLINK:
 570         {
 571             pCurrentEntry->TargetNameOffset = pCurrentEntry->FileNameOffset + pCurrentEntry->FileNameLength;
 572             wtarget = (WCHAR *)((PBYTE)pCurrentEntry + pCurrentEntry->TargetNameOffset);
 573
 574             if (dwFlags & RDR_POP_EVALUATE_SYMLINKS) {
 575                 char * mp;
 576
 577                 code2 = cm_HandleLink(scp, userp, reqp);
 578                 if (code2 == 0) {
 579                     mp = scp->mountPointStringp;
 580                     len = strlen(mp);
 581                     if ( len != 0 ) {
 582                         /* Strip off the msdfs: prefix from the target name for the file system */
 583                         if (scp->fileType == CM_SCACHETYPE_DFSLINK) {
 584                             osi_Log0(afsd_logp, "RDR_PopulateCurrentEntry DFSLink Detected");
 585                             pCurrentEntry->FileType = scp->fileType;
 586
 587                             if (!strncmp("msdfs:", mp, 6)) {
 588                                 mp += 6;
 589                                 len -= 6;
 590                             }
 591                         }
 592                         /* only send one slash to the redirector */
 593                         if (mp[0] == '\\' && mp[1] == '\\') {
 594                             mp++;
 595                             len--;
 596                         }
 597 #ifdef UNICODE
 598                         cch = MultiByteToWideChar( CP_UTF8, 0, mp,
 599                                                    len * sizeof(char),
 600                                                    wtarget,
 601                                                    len * sizeof(WCHAR));
 602 #else
 603                         mbstowcs(wtarget, mp, len);
 604 #endif
 605                     }
 606                     pCurrentEntry->TargetNameLength = (ULONG)(sizeof(WCHAR) * len);
 607                 } else {
 608                     osi_Log2(afsd_logp, "RDR_PopulateCurrentEntry cm_HandleLink failed scp=0x%p code=0x%x",
 609                              scp, code2);
 610                 }
 611             }
 612
 613         }
 614         break;
 615
 616     default:
 617         pCurrentEntry->TargetNameOffset = 0;
 618         pCurrentEntry->TargetNameLength = 0;
 619     }
 620     lock_ReleaseWrite(&scp->rw);
 621
 622     dwEntryLength += pCurrentEntry->FileNameLength + pCurrentEntry->TargetNameLength;
 623     dwEntryLength += (dwEntryLength % 8) ? 8 - (dwEntryLength % 8) : 0;   /* quad align */
 624     if (ppNextEntry)
 625         *ppNextEntry = (AFSDirEnumEntry *)((PBYTE)pCurrentEntry + dwEntryLength);
 626     if (pdwRemainingLength)
 627         *pdwRemainingLength = dwMaxEntryLength - dwEntryLength;
 628
 629     osi_Log3(afsd_logp, "RDR_PopulateCurrentEntry Success FileNameLength=%d TargetNameLength=%d RemainingLength=%d",
 630               pCurrentEntry->FileNameLength, pCurrentEntry->TargetNameLength, *pdwRemainingLength);
 631
 632     return code;
 633 }
 634
 635 static afs_uint32
 636 RDR_PopulateCurrentEntryNoScp( IN  AFSDirEnumEntry * pCurrentEntry,
 637                                IN  DWORD             dwMaxEntryLength,
 638                                IN  cm_scache_t     * dscp,
 639                                IN  cm_fid_t        * fidp,
 640                                IN  cm_user_t       * userp,
 641                                IN  cm_req_t        * reqp,
 642                                IN  wchar_t         * name,
 643                                IN  wchar_t         * shortName,
 644                                IN  DWORD             dwFlags,
 645                                IN  afs_uint32        cmError,
 646                                OUT AFSDirEnumEntry **ppNextEntry,
 647                                OUT DWORD           * pdwRemainingLength)
 648 {
 649     FILETIME ft;
 650     WCHAR *  wname;
 651     size_t   len;
 652     DWORD      dwEntryLength;
 653     afs_uint32 code = 0, code2 = 0;
 654
 655     osi_Log4(afsd_logp, "RDR_PopulateCurrentEntryNoEntry dscp=0x%p name=%S short=%S flags=0x%x",
 656              dscp, osi_LogSaveStringW(afsd_logp, name),
 657              osi_LogSaveStringW(afsd_logp, shortName), dwFlags);
 658     osi_Log1(afsd_logp, "... maxLength=%d", dwMaxEntryLength);
 659
 660     if (dwMaxEntryLength < sizeof(AFSDirEnumEntry) + (MAX_PATH + MOUNTPOINTLEN) * sizeof(wchar_t)) {
 661         if (ppNextEntry)
 662             *ppNextEntry = pCurrentEntry;
 663         if (pdwRemainingLength)
 664             *pdwRemainingLength = dwMaxEntryLength;
 665         osi_Log2(afsd_logp, "RDR_PopulateCurrentEntryNoEntry Not Enough Room for Entry %d < %d",
 666                  dwMaxEntryLength, sizeof(AFSDirEnumEntry) + (MAX_PATH + MOUNTPOINTLEN) * sizeof(wchar_t));
 667         return CM_ERROR_TOOBIG;
 668     }
 669
 670     if (!name)
 671         name = L"";
 672     if (!shortName)
 673         shortName = L"";
 674
 675     dwEntryLength = sizeof(AFSDirEnumEntry);
 676
 677     /* Populate the error code */
 678     smb_MapNTError(cmError, &pCurrentEntry->NTStatus, TRUE);
 679
 680     /* Populate the fake data */
 681     pCurrentEntry->FileId.Cell = fidp->cell;
 682     pCurrentEntry->FileId.Volume = fidp->volume;
 683     pCurrentEntry->FileId.Vnode = fidp->vnode;
 684     pCurrentEntry->FileId.Unique = fidp->unique;
 685     pCurrentEntry->FileId.Hash = fidp->hash;
 686
 687     pCurrentEntry->FileType = CM_SCACHETYPE_UNKNOWN;
 688
 689     pCurrentEntry->DataVersion.QuadPart = CM_SCACHE_VERSION_BAD;
 690
 691     cm_LargeSearchTimeFromUnixTime(&ft, 0);
 692     pCurrentEntry->Expiration.LowPart = ft.dwLowDateTime;
 693     pCurrentEntry->Expiration.HighPart = ft.dwHighDateTime;
 694
 695     cm_LargeSearchTimeFromUnixTime(&ft, 0);
 696     pCurrentEntry->CreationTime.LowPart = ft.dwLowDateTime;
 697     pCurrentEntry->CreationTime.HighPart = ft.dwHighDateTime;
 698     pCurrentEntry->LastAccessTime = pCurrentEntry->CreationTime;
 699     pCurrentEntry->LastWriteTime = pCurrentEntry->CreationTime;
 700     pCurrentEntry->ChangeTime = pCurrentEntry->CreationTime;
 701
 702     pCurrentEntry->EndOfFile.QuadPart = 0;
 703     pCurrentEntry->AllocationSize.QuadPart = 0;
 704     pCurrentEntry->FileAttributes = 0;
 705     pCurrentEntry->EaSize = 0;
 706     pCurrentEntry->Links = 0;
 707
 708     len = wcslen(shortName);
 709     wcsncpy(pCurrentEntry->ShortName, shortName, len);
 710     pCurrentEntry->ShortNameLength = (CCHAR)(len * sizeof(WCHAR));
 711
 712     pCurrentEntry->FileNameOffset = sizeof(AFSDirEnumEntry);
 713     len = wcslen(name);
 714     wname = (WCHAR *)((PBYTE)pCurrentEntry + pCurrentEntry->FileNameOffset);
 715     wcsncpy(wname, name, len);
 716     pCurrentEntry->FileNameLength = (ULONG)(sizeof(WCHAR) * len);
 717
 718     pCurrentEntry->TargetNameOffset = 0;
 719     pCurrentEntry->TargetNameLength = 0;
 720
 721     dwEntryLength += pCurrentEntry->FileNameLength + pCurrentEntry->TargetNameLength;
 722     dwEntryLength += (dwEntryLength % 8) ? 8 - (dwEntryLength % 8) : 0;   /* quad align */
 723     if (ppNextEntry)
 724         *ppNextEntry = (AFSDirEnumEntry *)((PBYTE)pCurrentEntry + dwEntryLength);
 725     if (pdwRemainingLength)
 726         *pdwRemainingLength = dwMaxEntryLength - dwEntryLength;
 727
 728     osi_Log3(afsd_logp, "RDR_PopulateCurrentEntryNoScp Success FileNameLength=%d TargetNameLength=%d RemainingLength=%d",
 729               pCurrentEntry->FileNameLength, pCurrentEntry->TargetNameLength, *pdwRemainingLength);
 730
 731     return code;
 732 }
 733
 734 void
 735 RDR_EnumerateDirectory( IN cm_user_t *userp,
 736                         IN AFSFileID DirID,
 737                         IN AFSDirQueryCB *QueryCB,
 738                         IN BOOL bWow64,
 739                         IN BOOL bSkipStatus,
 740                         IN DWORD ResultBufferLength,
 741                         IN OUT AFSCommResult **ResultCB)
 742 {
 743     DWORD status;
 744     cm_direnum_t *      enump = NULL;
 745     AFSDirEnumResp  * pDirEnumResp;
 746     AFSDirEnumEntry * pCurrentEntry;
 747     size_t size = ResultBufferLength ? sizeof(AFSCommResult) + ResultBufferLength - 1 : sizeof(AFSCommResult);
 748     DWORD             dwMaxEntryLength;
 749     afs_uint32  code = 0;
 750     cm_fid_t      fid;
 751     cm_scache_t * dscp = NULL;
 752     cm_req_t      req;
 753
 754     RDR_InitReq(&req, bWow64);
 755
 756     osi_Log4(afsd_logp, "RDR_EnumerateDirectory FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
 757              DirID.Cell, DirID.Volume, DirID.Vnode, DirID.Unique);
 758
 759     *ResultCB = (AFSCommResult *)malloc(size);
 760     if (!(*ResultCB)) {
 761         osi_Log0(afsd_logp, "RDR_EnumerateDirectory Out of Memory");
 762         return;
 763     }
 764
 765     memset(*ResultCB, 0, size);
 766
 767     if (QueryCB->EnumHandle == (ULONG_PTR)-1) {
 768         osi_Log0(afsd_logp, "RDR_EnumerateDirectory No More Entries");
 769         (*ResultCB)->ResultStatus = STATUS_NO_MORE_ENTRIES;
 770         (*ResultCB)->ResultBufferLength = 0;
 771         return;
 772     }
 773
 774     (*ResultCB)->ResultBufferLength = dwMaxEntryLength = ResultBufferLength;
 775     if (ResultBufferLength) {
 776         pDirEnumResp = (AFSDirEnumResp *)&(*ResultCB)->ResultData;
 777         pCurrentEntry = (AFSDirEnumEntry *)&pDirEnumResp->Entry;
 778         dwMaxEntryLength -= FIELD_OFFSET( AFSDirEnumResp, Entry);      /* AFSDirEnumResp */
 779     }
 780
 781     if (DirID.Cell != 0) {
 782         fid.cell   = DirID.Cell;
 783         fid.volume = DirID.Volume;
 784         fid.vnode  = DirID.Vnode;
 785         fid.unique = DirID.Unique;
 786         fid.hash   = DirID.Hash;
 787
 788         code = cm_GetSCache(&fid, NULL, &dscp, userp, &req);
 789         if (code) {
 790             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
 791             (*ResultCB)->ResultStatus = status;
 792             osi_Log2(afsd_logp, "RDR_EnumerateDirectory cm_GetSCache failure code=0x%x status=0x%x",
 793                       code, status);
 794             return;
 795         }
 796     } else {
 797         (*ResultCB)->ResultStatus = STATUS_OBJECT_NAME_INVALID;
 798         osi_Log0(afsd_logp, "RDR_EnumerateDirectory Object Name Invalid - Cell = 0");
 799         return;
 800     }
 801
 802     /* get the directory size */
 803     lock_ObtainWrite(&dscp->rw);
 804     code = cm_SyncOp(dscp, NULL, userp, &req, PRSFS_LOOKUP,
 805                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
 806     if (code) {
 807         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
 808         (*ResultCB)->ResultStatus = status;
 809         lock_ReleaseWrite(&dscp->rw);
 810         cm_ReleaseSCache(dscp);
 811         osi_Log2(afsd_logp, "RDR_EnumerateDirectory cm_SyncOp failure code=0x%x status=0x%x",
 812                   code, status);
 813         return;
 814     }
 815
 816     cm_SyncOpDone(dscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
 817     lock_ReleaseWrite(&dscp->rw);
 818
 819     if (dscp->fileType != CM_SCACHETYPE_DIRECTORY) {
 820         (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
 821         cm_ReleaseSCache(dscp);
 822         osi_Log1(afsd_logp, "RDR_EnumerateDirectory Not a Directory dscp=0x%p",
 823                  dscp);
 824         return;
 825     }
 826
 827     osi_Log1(afsd_logp, "RDR_EnumerateDirectory dv=%u", (afs_uint32)dscp->dataVersion);
 828
 829     /*
 830      * If there is no enumeration handle, then this is a new query
 831      * and we must perform an enumeration for the specified object.
 832      */
 833     if (QueryCB->EnumHandle == (ULONG_PTR)NULL) {
 834         cm_dirOp_t    dirop;
 835
 836         code = cm_BeginDirOp(dscp, userp, &req, CM_DIRLOCK_READ, CM_DIROP_FLAG_NONE, &dirop);
 837         if (code == 0) {
 838             code = cm_BPlusDirEnumerate(dscp, userp, &req,
 839                                         TRUE /* dir locked */, NULL /* no mask */,
 840                                         TRUE /* fetch status? */, &enump);
 841             if (code) {
 842                 osi_Log1(afsd_logp, "RDR_EnumerateDirectory cm_BPlusDirEnumerate failure code=0x%x",
 843                           code);
 844             }
 845             cm_EndDirOp(&dirop);
 846         } else {
 847             osi_Log1(afsd_logp, "RDR_EnumerateDirectory cm_BeginDirOp failure code=0x%x",
 848                       code);
 849         }
 850     } else {
 851         enump = (cm_direnum_t *)QueryCB->EnumHandle;
 852     }
 853
 854     if (enump) {
 855         if (ResultBufferLength == 0) {
 856             code = cm_BPlusDirEnumBulkStat(enump);
 857             if (code) {
 858                 osi_Log1(afsd_logp, "RDR_EnumerateDirectory cm_BPlusDirEnumBulkStat failure code=0x%x",
 859                           code);
 860             }
 861         } else {
 862             cm_direnum_entry_t * entryp = NULL;
 863
 864             pDirEnumResp->SnapshotDataVersion.QuadPart = enump->dataVersion;
 865
 866           getnextentry:
 867             if (dwMaxEntryLength < sizeof(AFSDirEnumEntry) + (MAX_PATH + MOUNTPOINTLEN) * sizeof(wchar_t)) {
 868                 osi_Log0(afsd_logp, "RDR_EnumerateDirectory out of space, returning");
 869                 goto outofspace;
 870             }
 871
 872             code = cm_BPlusDirNextEnumEntry(enump, &entryp);
 873
 874             if ((code == 0 || code == CM_ERROR_STOPNOW) && entryp) {
 875                 cm_scache_t *scp = NULL;
 876                 int stopnow = (code == CM_ERROR_STOPNOW);
 877
 878                 if ( !wcscmp(L".", entryp->name) || !wcscmp(L"..", entryp->name) ) {
 879                     osi_Log0(afsd_logp, "RDR_EnumerateDirectory skipping . or ..");
 880                     if (stopnow)
 881                         goto outofspace;
 882                     goto getnextentry;
 883                 }
 884
 885                 if (bSkipStatus) {
 886                     code = cm_GetSCache(&entryp->fid, &dscp->fid, &scp, userp, &req);
 887                     if (code) {
 888                         osi_Log5(afsd_logp, "RDR_EnumerateDirectory cm_GetSCache failure cell %u vol %u vnode %u uniq %u code=0x%x",
 889                                  entryp->fid.cell, entryp->fid.volume, entryp->fid.vnode, entryp->fid.unique, code);
 890                     }
 891                 } else {
 892                     code = entryp->errorCode;
 893                     scp = code ? NULL : cm_FindSCache(&entryp->fid);
 894                 }
 895
 896                 if (scp) {
 897                     code = RDR_PopulateCurrentEntry( pCurrentEntry, dwMaxEntryLength,
 898                                                      dscp, scp, userp, &req,
 899                                                      entryp->name,
 900                                                      cm_shortNames && cm_Is8Dot3(entryp->name) ? NULL : entryp->shortName,
 901                                                      (bWow64 ? RDR_POP_WOW64 : 0) |
 902                                                      (bSkipStatus ? RDR_POP_NO_GETSTATUS : 0),
 903                                                      code,
 904                                                      &pCurrentEntry, &dwMaxEntryLength);
 905                     cm_ReleaseSCache(scp);
 906                 } else {
 907                     code = RDR_PopulateCurrentEntryNoScp( pCurrentEntry, dwMaxEntryLength,
 908                                                           dscp, &entryp->fid, userp, &req,
 909                                                           entryp->name,
 910                                                           cm_shortNames && cm_Is8Dot3(entryp->name) ? NULL : entryp->shortName,
 911                                                           (bWow64 ? RDR_POP_WOW64 : 0),
 912                                                           code,
 913                                                           &pCurrentEntry, &dwMaxEntryLength);
 914                 }
 915                 if (stopnow)
 916                     goto outofspace;
 917                 goto getnextentry;
 918             }
 919         }
 920     }
 921
 922   outofspace:
 923
 924     if (code || enump->next == enump->count || ResultBufferLength == 0) {
 925         cm_BPlusDirFreeEnumeration(enump);
 926         enump = (cm_direnum_t *)(ULONG_PTR)-1;
 927     }
 928
 929     if (code == 0 || code == CM_ERROR_STOPNOW) {
 930         (*ResultCB)->ResultStatus = STATUS_SUCCESS;
 931         osi_Log0(afsd_logp, "RDR_EnumerateDirectory SUCCESS");
 932     } else {
 933         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
 934         (*ResultCB)->ResultStatus = status;
 935         osi_Log2(afsd_logp, "RDR_EnumerateDirectory Failure code=0x%x status=0x%x",
 936                   code, status);
 937     }
 938
 939     if (ResultBufferLength) {
 940         (*ResultCB)->ResultBufferLength = ResultBufferLength - dwMaxEntryLength;
 941
 942         pDirEnumResp->EnumHandle = (ULONG_PTR) enump;
 943         pDirEnumResp->CurrentDataVersion.QuadPart = dscp->dataVersion;
 944     }
 945
 946     if (dscp)
 947         cm_ReleaseSCache(dscp);
 948
 949     return;
 950 }
 951
 952 void
 953 RDR_EvaluateNodeByName( IN cm_user_t *userp,
 954                         IN AFSFileID ParentID,
 955                         IN WCHAR   *FileNameCounted,
 956                         IN DWORD    FileNameLength,
 957                         IN BOOL     CaseSensitive,
 958                         IN BOOL     bWow64,
 959                         IN BOOL     bHoldFid,
 960                         IN BOOL     bNoFollow,
 961                         IN DWORD    ResultBufferLength,
 962                         IN OUT AFSCommResult **ResultCB)
 963 {
 964     AFSFileEvalResultCB *pEvalResultCB = NULL;
 965     AFSDirEnumEntry * pCurrentEntry;
 966     size_t size = ResultBufferLength ? sizeof(AFSCommResult) + ResultBufferLength - 1 : sizeof(AFSCommResult);
 967     afs_uint32  code = 0;
 968     cm_scache_t * scp = NULL;
 969     cm_scache_t * dscp = NULL;
 970     cm_req_t      req;
 971     cm_fid_t      parentFid;
 972     DWORD         status;
 973     DWORD         dwRemaining;
 974     WCHAR       * wszName = NULL;
 975     size_t        cbName;
 976     BOOL          bVol = FALSE;
 977     wchar_t       FileName[260];
 978
 979     StringCchCopyNW(FileName, 260, FileNameCounted, FileNameLength / sizeof(WCHAR));
 980
 981     RDR_InitReq(&req, bWow64);
 982
 983     osi_Log4(afsd_logp, "RDR_EvaluateNodeByName parent FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
 984              ParentID.Cell, ParentID.Volume, ParentID.Vnode, ParentID.Unique);
 985
 986     /* Allocate enough room to add a volume prefix if necessary */
 987     cbName = FileNameLength + (CM_PREFIX_VOL_CCH + 1) * sizeof(WCHAR);
 988     wszName = malloc(cbName);
 989     if (!wszName) {
 990         osi_Log0(afsd_logp, "RDR_EvaluateNodeByName Out of Memory");
 991         return;
 992     }
 993     StringCbCopyNW(wszName, cbName, FileName, FileNameLength);
 994     osi_Log1(afsd_logp, "... name=%S", osi_LogSaveStringW(afsd_logp, wszName));
 995
 996     *ResultCB = (AFSCommResult *)malloc(size);
 997     if (!(*ResultCB)) {
 998         osi_Log0(afsd_logp, "RDR_EvaluateNodeByName Out of Memory");
 999         free(wszName);
1000         return;
1001     }
1002
1003     memset(*ResultCB, 0, size);
1004     (*ResultCB)->ResultBufferLength = 0;
1005     dwRemaining = ResultBufferLength;
1006     if (ResultBufferLength >= sizeof( AFSFileEvalResultCB)) {
1007         pEvalResultCB = (AFSFileEvalResultCB *)&(*ResultCB)->ResultData;
1008         pCurrentEntry = &pEvalResultCB->DirEnum;
1009         dwRemaining -= (sizeof( AFSFileEvalResultCB) - sizeof( AFSDirEnumEntry));
1010     }
1011
1012     if (ParentID.Cell != 0) {
1013         parentFid.cell   = ParentID.Cell;
1014         parentFid.volume = ParentID.Volume;
1015         parentFid.vnode  = ParentID.Vnode;
1016         parentFid.unique = ParentID.Unique;
1017         parentFid.hash   = ParentID.Hash;
1018
1019         code = cm_GetSCache(&parentFid, NULL, &dscp, userp, &req);
1020         if (code) {
1021             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1022             (*ResultCB)->ResultStatus = status;
1023             if ( status == STATUS_INVALID_HANDLE)
1024                 status = STATUS_OBJECT_PATH_INVALID;
1025             osi_Log2(afsd_logp, "RDR_EvaluateNodeByName cm_GetSCache parentFID failure code=0x%x status=0x%x",
1026                       code, status);
1027             free(wszName);
1028             return;
1029         }
1030     } else {
1031         (*ResultCB)->ResultStatus = STATUS_OBJECT_NAME_INVALID;
1032         osi_Log0(afsd_logp, "RDR_EvaluateNodeByName Object Name Invalid - Cell = 0");
1033         return;
1034     }
1035
1036     /* get the directory size */
1037     lock_ObtainWrite(&dscp->rw);
1038     code = cm_SyncOp(dscp, NULL, userp, &req, 0,
1039                      CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1040     if (code) {
1041         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1042         (*ResultCB)->ResultStatus = status;
1043         lock_ReleaseWrite(&dscp->rw);
1044         cm_ReleaseSCache(dscp);
1045         osi_Log3(afsd_logp, "RDR_EvaluateNodeByName cm_SyncOp failure dscp=0x%p code=0x%x status=0x%x",
1046                  dscp, code, status);
1047         free(wszName);
1048         return;
1049     }
1050     cm_SyncOpDone(dscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1051     lock_ReleaseWrite(&dscp->rw);
1052
1053     if (dscp->fileType != CM_SCACHETYPE_DIRECTORY) {
1054         (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
1055         cm_ReleaseSCache(dscp);
1056         osi_Log1(afsd_logp, "RDR_EvaluateNodeByName Not a Directory dscp=0x%p",
1057                  dscp);
1058         free(wszName);
1059         return;
1060     }
1061
1062     code = cm_Lookup(dscp, wszName, CM_FLAG_CHECKPATH, userp, &req, &scp);
1063
1064     if ((code == CM_ERROR_NOSUCHPATH || code == CM_ERROR_NOSUCHFILE || code == CM_ERROR_BPLUS_NOMATCH) &&
1065          (wcschr(wszName, '%') != NULL || wcschr(wszName, '#') != NULL)) {
1066         /*
1067          * A volume reference:  <cell>{%,#}<volume> -> @vol:<cell>{%,#}<volume>
1068          */
1069         StringCchCopyNW(wszName, cbName, _C(CM_PREFIX_VOL), CM_PREFIX_VOL_CCH);
1070         StringCbCatNW(wszName, cbName, FileName, FileNameLength);
1071         bVol = TRUE;
1072
1073         code = cm_EvaluateVolumeReference(wszName, CM_FLAG_CHECKPATH, userp, &req, &scp);
1074     }
1075
1076     if (code == 0 && scp) {
1077         wchar_t shortName[13]=L"";
1078
1079         if (!cm_shortNames) {
1080             shortName[0] = L'\0';
1081         } else if (bVol) {
1082             cm_Gen8Dot3VolNameW(scp->fid.cell, scp->fid.volume, shortName, NULL);
1083         } else if (!cm_Is8Dot3(wszName)) {
1084             cm_dirFid_t dfid;
1085
1086             dfid.vnode = htonl(scp->fid.vnode);
1087             dfid.unique = htonl(scp->fid.unique);
1088
1089             cm_Gen8Dot3NameIntW(FileName, &dfid, shortName, NULL);
1090         } else {
1091             shortName[0] = L'\0';
1092         }
1093
1094         code = RDR_PopulateCurrentEntry(pCurrentEntry, dwRemaining,
1095                                         dscp, scp, userp, &req,
1096                                         FileName, shortName,
1097                                         (bWow64 ? RDR_POP_WOW64 : 0) |
1098                                         (bNoFollow ? 0 : (RDR_POP_FOLLOW_MOUNTPOINTS | RDR_POP_EVALUATE_SYMLINKS)),
1099                                         0, NULL, &dwRemaining);
1100         if (bHoldFid)
1101             RDR_FlagScpInUse( scp, FALSE );
1102         cm_ReleaseSCache(scp);
1103
1104         if (code) {
1105             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1106             (*ResultCB)->ResultStatus = status;
1107             osi_Log2(afsd_logp, "RDR_EvaluateNodeByName FAILURE code=0x%x status=0x%x",
1108                       code, status);
1109         } else {
1110             pEvalResultCB->ParentDataVersion.QuadPart = dscp->dataVersion;
1111             (*ResultCB)->ResultStatus = STATUS_SUCCESS;
1112             (*ResultCB)->ResultBufferLength = ResultBufferLength - dwRemaining;
1113             osi_Log0(afsd_logp, "RDR_EvaluateNodeByName SUCCESS");
1114         }
1115     } else if (code) {
1116         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1117         (*ResultCB)->ResultStatus = status;
1118         osi_Log2(afsd_logp, "RDR_EvaluateNodeByName FAILURE code=0x%x status=0x%x",
1119                  code, status);
1120     } else {
1121         (*ResultCB)->ResultStatus = STATUS_NO_SUCH_FILE;
1122         osi_Log0(afsd_logp, "RDR_EvaluateNodeByName No Such File");
1123     }
1124     cm_ReleaseSCache(dscp);
1125     free(wszName);
1126
1127     return;
1128 }
1129
1130 void
1131 RDR_EvaluateNodeByID( IN cm_user_t *userp,
1132                       IN AFSFileID ParentID,            /* not used */
1133                       IN AFSFileID SourceID,
1134                       IN BOOL      bWow64,
1135                       IN BOOL      bNoFollow,
1136                       IN BOOL      bHoldFid,
1137                       IN DWORD     ResultBufferLength,
1138                       IN OUT AFSCommResult **ResultCB)
1139 {
1140     AFSFileEvalResultCB *pEvalResultCB = NULL;
1141     AFSDirEnumEntry * pCurrentEntry = NULL;
1142     size_t size = ResultBufferLength ? sizeof(AFSCommResult) + ResultBufferLength - 1 : sizeof(AFSCommResult);
1143     afs_uint32  code = 0;
1144     cm_scache_t * scp = NULL;
1145     cm_scache_t * dscp = NULL;
1146     cm_req_t      req;
1147     cm_fid_t      Fid;
1148     cm_fid_t      parentFid;
1149     DWORD         status;
1150     DWORD         dwRemaining;
1151
1152     osi_Log4(afsd_logp, "RDR_EvaluateNodeByID source FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
1153               SourceID.Cell, SourceID.Volume, SourceID.Vnode, SourceID.Unique);
1154     osi_Log4(afsd_logp, "... parent FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
1155               ParentID.Cell, ParentID.Volume, ParentID.Vnode, ParentID.Unique);
1156
1157     *ResultCB = (AFSCommResult *)malloc(size);
1158     if (!(*ResultCB)) {
1159         osi_Log0(afsd_logp, "RDR_EvaluateNodeByID Out of Memory");
1160         return;
1161     }
1162
1163     memset(*ResultCB, 0, size);
1164     (*ResultCB)->ResultBufferLength = 0;
1165     dwRemaining = ResultBufferLength;
1166     if (ResultBufferLength >= sizeof( AFSFileEvalResultCB)) {
1167         pEvalResultCB = (AFSFileEvalResultCB *)&(*ResultCB)->ResultData;
1168         pCurrentEntry = &pEvalResultCB->DirEnum;
1169         dwRemaining -= (sizeof( AFSFileEvalResultCB) - sizeof( AFSDirEnumEntry));
1170     }
1171
1172     RDR_InitReq(&req, bWow64);
1173
1174     if (SourceID.Cell != 0) {
1175         cm_SetFid(&Fid, SourceID.Cell, SourceID.Volume, SourceID.Vnode, SourceID.Unique);
1176         code = cm_GetSCache(&Fid, NULL, &scp, userp, &req);
1177         if (code) {
1178             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1179             (*ResultCB)->ResultStatus = status;
1180             osi_Log2(afsd_logp, "RDR_EvaluateNodeByID cm_GetSCache SourceFID failure code=0x%x status=0x%x",
1181                       code, status);
1182             return;
1183         }
1184     } else {
1185         (*ResultCB)->ResultStatus = STATUS_OBJECT_NAME_INVALID;
1186         osi_Log0(afsd_logp, "RDR_EvaluateNodeByID Object Name Invalid - Cell = 0");
1187         return;
1188     }
1189
1190     if (ParentID.Cell != 0) {
1191         cm_SetFid(&parentFid, ParentID.Cell, ParentID.Volume, ParentID.Vnode, ParentID.Unique);
1192         code = cm_GetSCache(&parentFid, NULL, &dscp, userp, &req);
1193         if (code) {
1194             cm_ReleaseSCache(scp);
1195             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1196             if ( status == STATUS_INVALID_HANDLE)
1197                 status = STATUS_OBJECT_PATH_INVALID;
1198             (*ResultCB)->ResultStatus = status;
1199             osi_Log2(afsd_logp, "RDR_EvaluateNodeByID cm_GetSCache parentFID failure code=0x%x status=0x%x",
1200                       code, status);
1201             return;
1202         }
1203     } else if (SourceID.Vnode == 1) {
1204         dscp = scp;
1205         cm_HoldSCache(dscp);
1206     } else if (scp->parentVnode) {
1207         cm_SetFid(&parentFid, SourceID.Cell, SourceID.Volume, scp->parentVnode, scp->parentUnique);
1208         code = cm_GetSCache(&parentFid, NULL, &dscp, userp, &req);
1209         if (code) {
1210             cm_ReleaseSCache(scp);
1211             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1212             if ( status == STATUS_INVALID_HANDLE)
1213                 status = STATUS_OBJECT_PATH_INVALID;
1214             (*ResultCB)->ResultStatus = status;
1215             osi_Log2(afsd_logp, "RDR_EvaluateNodeByID cm_GetSCache parentFID failure code=0x%x status=0x%x",
1216                       code, status);
1217             return;
1218         }
1219     } else {
1220         (*ResultCB)->ResultStatus = STATUS_OBJECT_PATH_INVALID;
1221         osi_Log0(afsd_logp, "RDR_EvaluateNodeByID Object Path Invalid - Unknown Parent");
1222         return;
1223     }
1224
1225     /* Make sure the directory is current */
1226     lock_ObtainWrite(&dscp->rw);
1227     code = cm_SyncOp(dscp, NULL, userp, &req, 0,
1228                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1229     if (code) {
1230         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1231         (*ResultCB)->ResultStatus = status;
1232         lock_ReleaseWrite(&dscp->rw);
1233         cm_ReleaseSCache(dscp);
1234         cm_ReleaseSCache(scp);
1235         osi_Log3(afsd_logp, "RDR_EvaluateNodeByID cm_SyncOp failure dscp=0x%p code=0x%x status=0x%x",
1236                  dscp, code, status);
1237         return;
1238     }
1239
1240     cm_SyncOpDone(dscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1241     lock_ReleaseWrite(&dscp->rw);
1242
1243     if (dscp->fileType != CM_SCACHETYPE_DIRECTORY) {
1244         (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
1245         cm_ReleaseSCache(dscp);
1246         cm_ReleaseSCache(scp);
1247         osi_Log1(afsd_logp, "RDR_EvaluateNodeByID Not a Directory dscp=0x%p", dscp);
1248         return;
1249     }
1250
1251     code = RDR_PopulateCurrentEntry(pCurrentEntry, dwRemaining,
1252                                     dscp, scp, userp, &req, NULL, NULL,
1253                                     (bWow64 ? RDR_POP_WOW64 : 0) |
1254                                     (bNoFollow ? 0 : (RDR_POP_FOLLOW_MOUNTPOINTS | RDR_POP_EVALUATE_SYMLINKS)),
1255                                     0, NULL, &dwRemaining);
1256
1257     if (bHoldFid)
1258         RDR_FlagScpInUse( scp, FALSE );
1259     cm_ReleaseSCache(scp);
1260     cm_ReleaseSCache(dscp);
1261
1262     if (code) {
1263         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1264         (*ResultCB)->ResultStatus = status;
1265         osi_Log2(afsd_logp, "RDR_EvaluateNodeByID FAILURE code=0x%x status=0x%x",
1266                  code, status);
1267     } else {
1268         pEvalResultCB->ParentDataVersion.QuadPart = dscp->dataVersion;
1269
1270         (*ResultCB)->ResultStatus = STATUS_SUCCESS;
1271         (*ResultCB)->ResultBufferLength = ResultBufferLength - dwRemaining;
1272         osi_Log0(afsd_logp, "RDR_EvaluateNodeByID SUCCESS");
1273     }
1274     return;
1275 }
1276
1277 void
1278 RDR_CreateFileEntry( IN cm_user_t *userp,
1279                      IN WCHAR *FileNameCounted,
1280                      IN DWORD FileNameLength,
1281                      IN AFSFileCreateCB *CreateCB,
1282                      IN BOOL bWow64,
1283                      IN BOOL bHoldFid,
1284                      IN DWORD ResultBufferLength,
1285                      IN OUT AFSCommResult **ResultCB)
1286 {
1287     AFSFileCreateResultCB *pResultCB = NULL;
1288     size_t size = sizeof(AFSCommResult) + ResultBufferLength - 1;
1289     cm_fid_t            parentFid;
1290     afs_uint32          code;
1291     cm_scache_t *       dscp = NULL;
1292     afs_uint32          flags = 0;
1293     cm_attr_t           setAttr;
1294     cm_scache_t *       scp = NULL;
1295     cm_req_t            req;
1296     DWORD               status;
1297     wchar_t             FileName[260];
1298
1299     StringCchCopyNW(FileName, 260, FileNameCounted, FileNameLength / sizeof(WCHAR));
1300
1301     osi_Log4(afsd_logp, "RDR_CreateFileEntry parent FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
1302               CreateCB->ParentId.Cell, CreateCB->ParentId.Volume,
1303               CreateCB->ParentId.Vnode, CreateCB->ParentId.Unique);
1304     osi_Log1(afsd_logp, "... name=%S", osi_LogSaveStringW(afsd_logp, FileName));
1305
1306     RDR_InitReq(&req, bWow64);
1307     memset(&setAttr, 0, sizeof(cm_attr_t));
1308
1309     *ResultCB = (AFSCommResult *)malloc(size);
1310     if (!(*ResultCB)) {
1311         osi_Log0(afsd_logp, "RDR_CreateFileEntry out of memory");
1312         return;
1313     }
1314
1315     memset( *ResultCB,
1316             '\0',
1317             size);
1318
1319     parentFid.cell   = CreateCB->ParentId.Cell;
1320     parentFid.volume = CreateCB->ParentId.Volume;
1321     parentFid.vnode  = CreateCB->ParentId.Vnode;
1322     parentFid.unique = CreateCB->ParentId.Unique;
1323     parentFid.hash   = CreateCB->ParentId.Hash;
1324
1325     code = cm_GetSCache(&parentFid, NULL, &dscp, userp, &req);
1326     if (code) {
1327         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1328         (*ResultCB)->ResultStatus = status;
1329         if ( status == STATUS_INVALID_HANDLE)
1330             status = STATUS_OBJECT_PATH_INVALID;
1331         osi_Log2(afsd_logp, "RDR_CreateFileEntry cm_GetSCache ParentFID failure code=0x%x status=0x%x",
1332                   code, status);
1333         return;
1334     }
1335
1336     lock_ObtainWrite(&dscp->rw);
1337     code = cm_SyncOp(dscp, NULL, userp, &req, 0,
1338                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1339     if (code) {
1340         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1341         (*ResultCB)->ResultStatus = status;
1342         lock_ReleaseWrite(&dscp->rw);
1343         cm_ReleaseSCache(dscp);
1344         osi_Log3(afsd_logp, "RDR_CreateFileEntry cm_SyncOp failure (1) dscp=0x%p code=0x%x status=0x%x",
1345                  dscp, code, status);
1346         return;
1347     }
1348
1349     cm_SyncOpDone(dscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1350     lock_ReleaseWrite(&dscp->rw);
1351
1352     if (dscp->fileType != CM_SCACHETYPE_DIRECTORY) {
1353         (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
1354         cm_ReleaseSCache(dscp);
1355         osi_Log1(afsd_logp, "RDR_CreateFileEntry Not a Directory dscp=0x%p",
1356                  dscp);
1357         return;
1358     }
1359
1360     /* Use current time */
1361     setAttr.mask = CM_ATTRMASK_CLIENTMODTIME;
1362     setAttr.clientModTime = time(NULL);
1363
1364     if (CreateCB->FileAttributes & FILE_ATTRIBUTE_DIRECTORY) {
1365         if (smb_unixModeDefaultDir) {
1366             setAttr.mask |= CM_ATTRMASK_UNIXMODEBITS;
1367             setAttr.unixModeBits = smb_unixModeDefaultDir;
1368             if (CreateCB->FileAttributes & FILE_ATTRIBUTE_READONLY)
1369                 setAttr.unixModeBits &= ~0222;          /* disable the write bits */
1370         }
1371
1372         code = cm_MakeDir(dscp, FileName, flags, &setAttr, userp, &req, &scp);
1373     } else {
1374         if (smb_unixModeDefaultFile) {
1375             setAttr.mask |= CM_ATTRMASK_UNIXMODEBITS;
1376             setAttr.unixModeBits = smb_unixModeDefaultFile;
1377             if (CreateCB->FileAttributes & FILE_ATTRIBUTE_READONLY)
1378                 setAttr.unixModeBits &= ~0222;          /* disable the write bits */
1379         }
1380
1381         setAttr.mask |= CM_ATTRMASK_LENGTH;
1382         setAttr.length.LowPart = CreateCB->AllocationSize.LowPart;
1383         setAttr.length.HighPart = CreateCB->AllocationSize.HighPart;
1384         code = cm_Create(dscp, FileName, flags, &setAttr, &scp, userp, &req);
1385     }
1386     if (code == 0) {
1387         wchar_t shortName[13]=L"";
1388         cm_dirFid_t dfid;
1389         DWORD dwRemaining;
1390
1391         (*ResultCB)->ResultStatus = 0;  // We will be able to fit all the data in here
1392
1393         (*ResultCB)->ResultBufferLength = sizeof( AFSFileCreateResultCB);
1394
1395         pResultCB = (AFSFileCreateResultCB *)(*ResultCB)->ResultData;
1396
1397         dwRemaining = ResultBufferLength - sizeof( AFSFileCreateResultCB) + sizeof( AFSDirEnumEntry);
1398
1399         lock_ObtainWrite(&dscp->rw);
1400         code = cm_SyncOp(dscp, NULL, userp, &req, 0,
1401                           CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1402         if (code) {
1403             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1404             (*ResultCB)->ResultStatus = status;
1405             lock_ReleaseWrite(&dscp->rw);
1406             cm_ReleaseSCache(dscp);
1407             cm_ReleaseSCache(scp);
1408             osi_Log3(afsd_logp, "RDR_CreateFileEntry cm_SyncOp failure (2) dscp=0x%p code=0x%x status=0x%x",
1409                       dscp, code, status);
1410             return;
1411         }
1412
1413         pResultCB->ParentDataVersion.QuadPart = dscp->dataVersion;
1414
1415         cm_SyncOpDone(dscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1416         lock_ReleaseWrite(&dscp->rw);
1417
1418         if (cm_shortNames) {
1419             dfid.vnode = htonl(scp->fid.vnode);
1420             dfid.unique = htonl(scp->fid.unique);
1421
1422             if (!cm_Is8Dot3(FileName))
1423                 cm_Gen8Dot3NameIntW(FileName, &dfid, shortName, NULL);
1424             else
1425                 shortName[0] = '\0';
1426         }
1427
1428         code = RDR_PopulateCurrentEntry(&pResultCB->DirEnum, dwRemaining,
1429                                         dscp, scp, userp, &req, FileName, shortName,
1430                                         RDR_POP_FOLLOW_MOUNTPOINTS | RDR_POP_EVALUATE_SYMLINKS,
1431                                         0, NULL, &dwRemaining);
1432
1433         if (bHoldFid)
1434             RDR_FlagScpInUse( scp, FALSE );
1435         cm_ReleaseSCache(scp);
1436         (*ResultCB)->ResultBufferLength = ResultBufferLength - dwRemaining;
1437         osi_Log0(afsd_logp, "RDR_CreateFileEntry SUCCESS");
1438     } else {
1439         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1440         (*ResultCB)->ResultStatus = status;
1441         (*ResultCB)->ResultBufferLength = 0;
1442         osi_Log2(afsd_logp, "RDR_CreateFileEntry FAILURE code=0x%x status=0x%x",
1443                   code, status);
1444     }
1445
1446     cm_ReleaseSCache(dscp);
1447
1448     return;
1449 }
1450
1451 void
1452 RDR_UpdateFileEntry( IN cm_user_t *userp,
1453                      IN AFSFileID FileId,
1454                      IN AFSFileUpdateCB *UpdateCB,
1455                      IN BOOL bWow64,
1456                      IN DWORD ResultBufferLength,
1457                      IN OUT AFSCommResult **ResultCB)
1458 {
1459     AFSFileUpdateResultCB *pResultCB = NULL;
1460     size_t size = sizeof(AFSCommResult) + ResultBufferLength - 1;
1461     cm_fid_t            Fid;
1462     cm_fid_t            parentFid;
1463     afs_uint32          code;
1464     afs_uint32          flags = 0;
1465     cm_attr_t           setAttr;
1466     cm_scache_t *       scp = NULL;
1467     cm_scache_t *       dscp = NULL;
1468     cm_req_t            req;
1469     time_t              clientModTime;
1470     FILETIME            ft;
1471     DWORD               status;
1472     BOOL                bScpLocked = FALSE;
1473
1474     RDR_InitReq(&req, bWow64);
1475     memset(&setAttr, 0, sizeof(cm_attr_t));
1476
1477     osi_Log4(afsd_logp, "RDR_UpdateFileEntry parent FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
1478               UpdateCB->ParentId.Cell, UpdateCB->ParentId.Volume,
1479               UpdateCB->ParentId.Vnode, UpdateCB->ParentId.Unique);
1480     osi_Log4(afsd_logp, "... object FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
1481               FileId.Cell, FileId.Volume,
1482               FileId.Vnode, FileId.Unique);
1483
1484     *ResultCB = (AFSCommResult *)malloc( size);
1485     if (!(*ResultCB)) {
1486         osi_Log0(afsd_logp, "RDR_UpdateFileEntry Out of Memory");
1487         return;
1488     }
1489
1490     memset( *ResultCB,
1491             '\0',
1492             size);
1493
1494     parentFid.cell   = UpdateCB->ParentId.Cell;
1495     parentFid.volume = UpdateCB->ParentId.Volume;
1496     parentFid.vnode  = UpdateCB->ParentId.Vnode;
1497     parentFid.unique = UpdateCB->ParentId.Unique;
1498     parentFid.hash   = UpdateCB->ParentId.Hash;
1499
1500     code = cm_GetSCache(&parentFid, NULL, &dscp, userp, &req);
1501     if (code) {
1502         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1503         (*ResultCB)->ResultStatus = status;
1504         if ( status == STATUS_INVALID_HANDLE)
1505             status = STATUS_OBJECT_PATH_INVALID;
1506         osi_Log2(afsd_logp, "RDR_UpdateFileEntry cm_GetSCache ParentFID failure code=0x%x status=0x%x",
1507                   code, status);
1508         return;
1509     }
1510
1511     lock_ObtainWrite(&dscp->rw);
1512     bScpLocked = TRUE;
1513     code = cm_SyncOp(dscp, NULL, userp, &req, 0,
1514                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1515     if (code) {
1516         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1517         (*ResultCB)->ResultStatus = status;
1518         lock_ReleaseWrite(&dscp->rw);
1519         cm_ReleaseSCache(dscp);
1520         osi_Log3(afsd_logp, "RDR_UpdateFileEntry cm_SyncOp failure dscp=0x%p code=0x%x status=0x%x",
1521                  dscp, code, status);
1522         return;
1523     }
1524
1525     cm_SyncOpDone(dscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1526     lock_ReleaseWrite(&dscp->rw);
1527     bScpLocked = FALSE;
1528
1529     if (dscp->fileType != CM_SCACHETYPE_DIRECTORY) {
1530         (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
1531         cm_ReleaseSCache(dscp);
1532         osi_Log1(afsd_logp, "RDR_UpdateFileEntry Not a Directory dscp=0x%p",
1533                  dscp);
1534         return;
1535     }
1536
1537     Fid.cell   = FileId.Cell;
1538     Fid.volume = FileId.Volume;
1539     Fid.vnode  = FileId.Vnode;
1540     Fid.unique = FileId.Unique;
1541     Fid.hash   = FileId.Hash;
1542
1543     code = cm_GetSCache(&Fid, &dscp->fid, &scp, userp, &req);
1544     if (code) {
1545         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1546         (*ResultCB)->ResultStatus = status;
1547         cm_ReleaseSCache(dscp);
1548         osi_Log2(afsd_logp, "RDR_UpdateFileEntry cm_GetSCache object FID failure code=0x%x status=0x%x",
1549                   code, status);
1550         return;
1551     }
1552
1553     lock_ObtainWrite(&scp->rw);
1554     bScpLocked = TRUE;
1555     code = cm_SyncOp(scp, NULL, userp, &req, 0,
1556                       CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_NEEDCALLBACK);
1557     if (code) {
1558         lock_ReleaseWrite(&scp->rw);
1559         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1560         (*ResultCB)->ResultStatus = status;
1561         (*ResultCB)->ResultBufferLength = 0;
1562         cm_ReleaseSCache(dscp);
1563         cm_ReleaseSCache(scp);
1564         osi_Log3(afsd_logp, "RDR_UpdateFileEntry cm_SyncOp failure scp=0x%p code=0x%x status=0x%x",
1565                  scp, code, status);
1566         return;
1567     }
1568     cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1569
1570     if (UpdateCB->ChangeTime.QuadPart) {
1571
1572         if (scp->fileType == CM_SCACHETYPE_FILE) {
1573             /* Do not set length and other attributes at the same time */
1574             if (scp->length.QuadPart != UpdateCB->AllocationSize.QuadPart) {
1575                 osi_Log2(afsd_logp, "RDR_UpdateFileEntry Length Change 0x%x -> 0x%x",
1576                           (afs_uint32)scp->length.QuadPart, (afs_uint32)UpdateCB->AllocationSize.QuadPart);
1577                 setAttr.mask |= CM_ATTRMASK_LENGTH;
1578                 setAttr.length.LowPart = UpdateCB->AllocationSize.LowPart;
1579                 setAttr.length.HighPart = UpdateCB->AllocationSize.HighPart;
1580                 lock_ReleaseWrite(&scp->rw);
1581                 bScpLocked = FALSE;
1582                 code = cm_SetAttr(scp, &setAttr, userp, &req);
1583                 if (code)
1584                     goto on_error;
1585                 setAttr.mask = 0;
1586             }
1587         }
1588
1589         if (!bScpLocked) {
1590             lock_ObtainWrite(&scp->rw);
1591             bScpLocked = TRUE;
1592         }
1593         if ((scp->unixModeBits & 0200) && (UpdateCB->FileAttributes & FILE_ATTRIBUTE_READONLY)) {
1594             setAttr.mask |= CM_ATTRMASK_UNIXMODEBITS;
1595             setAttr.unixModeBits = scp->unixModeBits & ~0222;
1596         } else if (!(scp->unixModeBits & 0200) && !(UpdateCB->FileAttributes & FILE_ATTRIBUTE_READONLY)) {
1597             setAttr.mask |= CM_ATTRMASK_UNIXMODEBITS;
1598             setAttr.unixModeBits = scp->unixModeBits | 0222;
1599         }
1600     }
1601
1602     if (UpdateCB->LastWriteTime.QuadPart) {
1603         ft.dwLowDateTime = UpdateCB->LastWriteTime.LowPart;
1604         ft.dwHighDateTime = UpdateCB->LastWriteTime.HighPart;
1605
1606         cm_UnixTimeFromLargeSearchTime(& clientModTime, &ft);
1607
1608         if (!bScpLocked) {
1609             lock_ObtainWrite(&scp->rw);
1610             bScpLocked = TRUE;
1611         }
1612         if (scp->clientModTime != clientModTime) {
1613             setAttr.mask |= CM_ATTRMASK_CLIENTMODTIME;
1614             setAttr.clientModTime = clientModTime;
1615         }
1616
1617         /* call setattr */
1618         if (setAttr.mask) {
1619             lock_ReleaseWrite(&scp->rw);
1620             bScpLocked = FALSE;
1621             code = cm_SetAttr(scp, &setAttr, userp, &req);
1622         } else
1623             code = 0;
1624     }
1625
1626   on_error:
1627     if (bScpLocked) {
1628         lock_ReleaseWrite(&scp->rw);
1629     }
1630
1631     if (code == 0) {
1632         DWORD dwRemaining = ResultBufferLength - sizeof( AFSFileUpdateResultCB) + sizeof( AFSDirEnumEntry);
1633
1634         pResultCB = (AFSFileUpdateResultCB *)(*ResultCB)->ResultData;
1635
1636         pResultCB->ParentDataVersion.QuadPart = dscp->dataVersion;
1637
1638         code = RDR_PopulateCurrentEntry(&pResultCB->DirEnum, dwRemaining,
1639                                         dscp, scp, userp, &req, NULL, NULL,
1640                                         RDR_POP_FOLLOW_MOUNTPOINTS | RDR_POP_EVALUATE_SYMLINKS,
1641                                         0, NULL, &dwRemaining);
1642         (*ResultCB)->ResultBufferLength = ResultBufferLength - dwRemaining;
1643         osi_Log0(afsd_logp, "RDR_UpdateFileEntry SUCCESS");
1644     } else {
1645         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1646         (*ResultCB)->ResultStatus = status;
1647         (*ResultCB)->ResultBufferLength = 0;
1648         osi_Log2(afsd_logp, "RDR_UpdateFileEntry FAILURE code=0x%x status=0x%x",
1649                   code, status);
1650     }
1651     cm_ReleaseSCache(scp);
1652     cm_ReleaseSCache(dscp);
1653
1654     return;
1655 }
1656
1657 void
1658 RDR_CleanupFileEntry( IN cm_user_t *userp,
1659                       IN AFSFileID FileId,
1660                       IN WCHAR *FileNameCounted,
1661                       IN DWORD FileNameLength,
1662                       IN AFSFileCleanupCB *CleanupCB,
1663                       IN BOOL bWow64,
1664                       IN BOOL bLastHandle,
1665                       IN BOOL bDeleteFile,
1666                       IN BOOL bUnlockFile,
1667                       IN DWORD ResultBufferLength,
1668                       IN OUT AFSCommResult **ResultCB)
1669 {
1670     AFSFileCleanupResultCB *pResultCB = NULL;
1671     size_t size = sizeof(AFSCommResult) + ResultBufferLength - 1;
1672     cm_fid_t            Fid;
1673     cm_fid_t            parentFid;
1674     afs_uint32          code = 0;
1675     afs_uint32          flags = 0;
1676     cm_attr_t           setAttr;
1677     cm_scache_t *       scp = NULL;
1678     cm_scache_t *       dscp = NULL;
1679     cm_req_t            req;
1680     time_t              clientModTime;
1681     FILETIME            ft;
1682     DWORD               status;
1683     BOOL                bScpLocked = FALSE;
1684     BOOL                bDscpLocked = FALSE;
1685     BOOL                bFlushFile = FALSE;
1686     cm_key_t            key;
1687
1688     RDR_InitReq(&req, bWow64);
1689     memset(&setAttr, 0, sizeof(cm_attr_t));
1690
1691     osi_Log4(afsd_logp, "RDR_CleanupFileEntry parent FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
1692               CleanupCB->ParentId.Cell, CleanupCB->ParentId.Volume,
1693               CleanupCB->ParentId.Vnode, CleanupCB->ParentId.Unique);
1694     osi_Log4(afsd_logp, "... object FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
1695               FileId.Cell, FileId.Volume,
1696               FileId.Vnode, FileId.Unique);
1697
1698     *ResultCB = (AFSCommResult *)malloc( size);
1699     if (!(*ResultCB)) {
1700         osi_Log0(afsd_logp, "RDR_CleanupFileEntry Out of Memory");
1701         return;
1702     }
1703
1704     memset( *ResultCB,
1705             '\0',
1706             size);
1707
1708     parentFid.cell   = CleanupCB->ParentId.Cell;
1709     parentFid.volume = CleanupCB->ParentId.Volume;
1710     parentFid.vnode  = CleanupCB->ParentId.Vnode;
1711     parentFid.unique = CleanupCB->ParentId.Unique;
1712     parentFid.hash   = CleanupCB->ParentId.Hash;
1713
1714     if (parentFid.cell) {
1715         code = cm_GetSCache(&parentFid, NULL, &dscp, userp, &req);
1716         if (code) {
1717             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1718             if ( status == STATUS_INVALID_HANDLE)
1719                 status = STATUS_OBJECT_PATH_INVALID;
1720             (*ResultCB)->ResultStatus = status;
1721             osi_Log2(afsd_logp, "RDR_CleanupFileEntry cm_GetSCache ParentFID failure code=0x%x status=0x%x",
1722                      code, status);
1723             return;
1724         }
1725
1726         lock_ObtainWrite(&dscp->rw);
1727         bDscpLocked = TRUE;
1728         code = cm_SyncOp(dscp, NULL, userp, &req, 0,
1729                          CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1730         if (code) {
1731             osi_Log2(afsd_logp, "RDR_CleanupFileEntry cm_SyncOp failure dscp=0x%p code=0x%x",
1732                     dscp, code);
1733             if (code)
1734                 goto on_error;
1735         }
1736
1737         cm_SyncOpDone(dscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1738         lock_ReleaseWrite(&dscp->rw);
1739         bDscpLocked = FALSE;
1740
1741         if (dscp->fileType != CM_SCACHETYPE_DIRECTORY) {
1742             (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
1743             cm_ReleaseSCache(dscp);
1744             osi_Log1(afsd_logp, "RDR_CleanupFileEntry Not a Directory dscp=0x%p",
1745                      dscp);
1746             if (code)
1747                 goto on_error;
1748         }
1749     }
1750
1751     Fid.cell   = FileId.Cell;
1752     Fid.volume = FileId.Volume;
1753     Fid.vnode  = FileId.Vnode;
1754     Fid.unique = FileId.Unique;
1755     Fid.hash   = FileId.Hash;
1756
1757     code = cm_GetSCache(&Fid, dscp ? &dscp->fid : NULL, &scp, userp, &req);
1758     if (code) {
1759         osi_Log1(afsd_logp, "RDR_CleanupFileEntry cm_GetSCache object FID failure code=0x%x",
1760                  code);
1761         goto on_error;
1762     }
1763
1764     lock_ObtainWrite(&scp->rw);
1765     bScpLocked = TRUE;
1766     code = cm_SyncOp(scp, NULL, userp, &req, 0,
1767                       CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_NEEDCALLBACK);
1768     if (code) {
1769         osi_Log2(afsd_logp, "RDR_CleanupFileEntry cm_SyncOp failure scp=0x%p code=0x%x",
1770                  scp, code);
1771         goto on_error;
1772     }
1773     cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1774
1775     if ((bLastHandle || bFlushFile) &&
1776         scp->redirBufCount > 0)
1777     {
1778         LARGE_INTEGER heldExtents;
1779         AFSFileExtentCB extentList[1024];
1780         DWORD extentCount = 0;
1781         cm_buf_t *srbp;
1782         time_t now;
1783
1784         time(&now);
1785         heldExtents.QuadPart = 0;
1786
1787         for ( srbp = redirq_to_cm_buf_t(scp->redirQueueT);
1788               srbp;
1789               srbp = redirq_to_cm_buf_t(osi_QPrev(&srbp->redirq)))
1790         {
1791             extentList[extentCount].Flags = 0;
1792             extentList[extentCount].Length = cm_data.blockSize;
1793             extentList[extentCount].FileOffset.QuadPart = srbp->offset.QuadPart;
1794             extentList[extentCount].CacheOffset.QuadPart = srbp->datap - RDR_extentBaseAddress;
1795             lock_ObtainWrite(&buf_globalLock);
1796             srbp->redirReleaseRequested = now;
1797             lock_ReleaseWrite(&buf_globalLock);
1798             extentCount++;
1799
1800             if (extentCount == 1024) {
1801                 lock_ReleaseWrite(&scp->rw);
1802                 code = RDR_RequestExtentRelease(&scp->fid, heldExtents, extentCount, extentList);
1803                 if (code) {
1804                     if (code == CM_ERROR_RETRY) {
1805                         /*
1806                          * The redirector either is not holding the extents or cannot let them
1807                          * go because they are otherwise in use.  At the moment, do nothing.
1808                          */
1809                     } else
1810                         break;
1811                 }
1812                 extentCount = 0;
1813                 bFlushFile = TRUE;
1814                 lock_ObtainWrite(&scp->rw);
1815             }
1816         }
1817
1818         if (code == 0 && extentCount > 0) {
1819             if (bScpLocked) {
1820                 lock_ReleaseWrite(&scp->rw);
1821                 bScpLocked = FALSE;
1822             }
1823             code = RDR_RequestExtentRelease(&scp->fid, heldExtents, extentCount, extentList);
1824             bFlushFile = TRUE;
1825         }
1826     }
1827
1828     /* No longer in use by redirector */
1829     if (!bScpLocked) {
1830         lock_ObtainWrite(&scp->rw);
1831         bScpLocked = TRUE;
1832     }
1833
1834     if (bLastHandle) {
1835         lock_AssertWrite(&scp->rw);
1836         scp->flags &= ~CM_SCACHEFLAG_RDR_IN_USE;
1837     }
1838
1839     /* If not a readonly object, flush dirty data and update metadata */
1840     if (!(scp->flags & CM_SCACHEFLAG_RO)) {
1841         if ((bLastHandle || bFlushFile) &&
1842              buf_DirtyBuffersExist(&scp->fid)) {
1843             if (!bScpLocked) {
1844                 lock_ObtainWrite(&scp->rw);
1845                 bScpLocked = TRUE;
1846             }
1847             code = cm_SyncOp(scp, NULL, userp, &req, PRSFS_WRITE,
1848                              CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1849             if (code == 0) {
1850                 if (bScpLocked) {
1851                     lock_ReleaseWrite(&scp->rw);
1852                     bScpLocked = FALSE;
1853                 }
1854
1855                 code = cm_FSync(scp, userp, &req, bScpLocked);
1856             }
1857             if (bLastHandle && code)
1858                 goto unlock;
1859         }
1860
1861         if (CleanupCB->ChangeTime.QuadPart) {
1862
1863             if (scp->fileType == CM_SCACHETYPE_FILE) {
1864                 /* Do not set length and other attributes at the same time */
1865                 if (scp->length.QuadPart != CleanupCB->AllocationSize.QuadPart) {
1866                     osi_Log2(afsd_logp, "RDR_CleanupFileEntry Length Change 0x%x -> 0x%x",
1867                              (afs_uint32)scp->length.QuadPart, (afs_uint32)CleanupCB->AllocationSize.QuadPart);
1868                     setAttr.mask |= CM_ATTRMASK_LENGTH;
1869                     setAttr.length.LowPart = CleanupCB->AllocationSize.LowPart;
1870                     setAttr.length.HighPart = CleanupCB->AllocationSize.HighPart;
1871
1872                     if (bScpLocked) {
1873                         lock_ReleaseWrite(&scp->rw);
1874                         bScpLocked = FALSE;
1875                     }
1876                     code = cm_SetAttr(scp, &setAttr, userp, &req);
1877                     if (code)
1878                         goto unlock;
1879                     setAttr.mask = 0;
1880                 }
1881             }
1882
1883             if (!bScpLocked) {
1884                 lock_ObtainWrite(&scp->rw);
1885                 bScpLocked = TRUE;
1886             }
1887
1888             if ((scp->unixModeBits & 0200) && (CleanupCB->FileAttributes & FILE_ATTRIBUTE_READONLY)) {
1889                 setAttr.mask |= CM_ATTRMASK_UNIXMODEBITS;
1890                 setAttr.unixModeBits = scp->unixModeBits & ~0222;
1891             } else if (!(scp->unixModeBits & 0200) && !(CleanupCB->FileAttributes & FILE_ATTRIBUTE_READONLY)) {
1892                 setAttr.mask |= CM_ATTRMASK_UNIXMODEBITS;
1893                 setAttr.unixModeBits = scp->unixModeBits | 0222;
1894             }
1895         }
1896
1897         if (CleanupCB->LastWriteTime.QuadPart) {
1898             ft.dwLowDateTime = CleanupCB->LastWriteTime.LowPart;
1899             ft.dwHighDateTime = CleanupCB->LastWriteTime.HighPart;
1900
1901             cm_UnixTimeFromLargeSearchTime(&clientModTime, &ft);
1902             if (scp->clientModTime != clientModTime) {
1903                 setAttr.mask |= CM_ATTRMASK_CLIENTMODTIME;
1904                 setAttr.clientModTime = clientModTime;
1905             }
1906         }
1907
1908         /* call setattr */
1909         if (setAttr.mask) {
1910             lock_ReleaseWrite(&scp->rw);
1911             bScpLocked = FALSE;
1912             code = cm_SetAttr(scp, &setAttr, userp, &req);
1913         } else
1914             code = 0;
1915     }
1916
1917   unlock:
1918     /* Now drop the lock enforcing the share access */
1919     if ( CleanupCB->FileAccess != AFS_FILE_ACCESS_NOLOCK) {
1920         unsigned int sLockType;
1921         LARGE_INTEGER LOffset, LLength;
1922
1923         if (CleanupCB->FileAccess == AFS_FILE_ACCESS_SHARED)
1924             sLockType = LOCKING_ANDX_SHARED_LOCK;
1925         else
1926             sLockType = 0;
1927
1928         key = cm_GenerateKey(CM_SESSION_IFS, SMB_FID_QLOCK_PID, CleanupCB->Identifier);
1929
1930         LOffset.HighPart = SMB_FID_QLOCK_HIGH;
1931         LOffset.LowPart = SMB_FID_QLOCK_LOW;
1932         LLength.HighPart = 0;
1933         LLength.LowPart = SMB_FID_QLOCK_LENGTH;
1934
1935         if (!bScpLocked) {
1936             lock_ObtainWrite(&scp->rw);
1937             bScpLocked = TRUE;
1938         }
1939
1940         code = cm_SyncOp(scp, NULL, userp, &req, 0, CM_SCACHESYNC_LOCK);
1941         if (code == 0)
1942         {
1943             code = cm_Unlock(scp, sLockType, LOffset, LLength, key, 0, userp, &req);
1944
1945             cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_LOCK);
1946
1947             if (code == CM_ERROR_RANGE_NOT_LOCKED)
1948             {
1949                 osi_Log3(afsd_logp, "RDR_CleanupFileEntry Range Not Locked -- FileAccess 0x%x ProcessId 0x%x HandleId 0x%x",
1950                          CleanupCB->FileAccess, CleanupCB->ProcessId, CleanupCB->Identifier);
1951
1952             }
1953         }
1954     }
1955
1956     if (bUnlockFile || bDeleteFile) {
1957         if (!bScpLocked) {
1958             lock_ObtainWrite(&scp->rw);
1959             bScpLocked = TRUE;
1960         }
1961         code = cm_SyncOp(scp, NULL, userp, &req, 0,
1962                           CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
1963         if (code) {
1964             osi_Log2(afsd_logp, "RDR_CleanupFileEntry cm_SyncOp (2) failure scp=0x%p code=0x%x",
1965                      scp, code);
1966             goto on_error;
1967         }
1968
1969         key = cm_GenerateKey(CM_SESSION_IFS, CleanupCB->ProcessId, 0);
1970
1971         /* the scp is now locked and current */
1972         code = cm_UnlockByKey(scp, key,
1973                               bDeleteFile ? CM_UNLOCK_FLAG_BY_FID : 0,
1974                               userp, &req);
1975
1976         cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
1977
1978         if (code)
1979             goto on_error;
1980     }
1981
1982   on_error:
1983     if (bDscpLocked)
1984         lock_ReleaseWrite(&dscp->rw);
1985     if (bScpLocked)
1986         lock_ReleaseWrite(&scp->rw);
1987
1988     if (code == 0 && dscp && bDeleteFile) {
1989         WCHAR FileName[260];
1990
1991         StringCchCopyNW(FileName, 260, FileNameCounted, FileNameLength / sizeof(WCHAR));
1992
1993         if (scp->fileType == CM_SCACHETYPE_DIRECTORY)
1994             code = cm_RemoveDir(dscp, NULL, FileName, userp, &req);
1995         else
1996             code = cm_Unlink(dscp, NULL, FileName, userp, &req);
1997     }
1998
1999     if (code == 0) {
2000         if ( ResultBufferLength >=  sizeof( AFSFileCleanupResultCB))
2001         {
2002             (*ResultCB)->ResultBufferLength = sizeof( AFSFileCleanupResultCB);
2003             pResultCB = (AFSFileCleanupResultCB *)&(*ResultCB)->ResultData;
2004             pResultCB->ParentDataVersion.QuadPart = dscp ? dscp->dataVersion : 0;
2005         } else {
2006             (*ResultCB)->ResultBufferLength = 0;
2007         }
2008
2009         (*ResultCB)->ResultStatus = 0;
2010         osi_Log0(afsd_logp, "RDR_CleanupFileEntry SUCCESS");
2011     } else {
2012         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2013         (*ResultCB)->ResultStatus = status;
2014         osi_Log2(afsd_logp, "RDR_CleanupFileEntry FAILURE code=0x%x status=0x%x",
2015                   code, status);
2016     }
2017
2018     if (scp)
2019         cm_ReleaseSCache(scp);
2020     if (dscp)
2021         cm_ReleaseSCache(dscp);
2022
2023     return;
2024 }
2025
2026 void
2027 RDR_DeleteFileEntry( IN cm_user_t *userp,
2028                      IN AFSFileID ParentId,
2029                      IN ULONGLONG ProcessId,
2030                      IN WCHAR *FileNameCounted,
2031                      IN DWORD FileNameLength,
2032                      IN BOOL bWow64,
2033                      IN BOOL bCheckOnly,
2034                      IN DWORD ResultBufferLength,
2035                      IN OUT AFSCommResult **ResultCB)
2036 {
2037
2038     AFSFileDeleteResultCB *pResultCB = NULL;
2039     size_t size = sizeof(AFSCommResult) + ResultBufferLength - 1;
2040     cm_fid_t            parentFid;
2041     afs_uint32          code;
2042     cm_scache_t *       dscp = NULL;
2043     cm_scache_t *       scp = NULL;
2044     afs_uint32          flags = 0;
2045     cm_attr_t           setAttr;
2046     cm_req_t            req;
2047     DWORD               status;
2048     wchar_t             FileName[260];
2049     cm_key_t            key;
2050
2051     StringCchCopyNW(FileName, 260, FileNameCounted, FileNameLength / sizeof(WCHAR));
2052
2053     osi_Log4(afsd_logp, "RDR_DeleteFileEntry parent FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
2054               ParentId.Cell,  ParentId.Volume,
2055               ParentId.Vnode, ParentId.Unique);
2056     osi_Log2(afsd_logp, "... name=%S checkOnly=%x",
2057              osi_LogSaveStringW(afsd_logp, FileName),
2058              bCheckOnly);
2059
2060     RDR_InitReq(&req, bWow64);
2061     memset(&setAttr, 0, sizeof(cm_attr_t));
2062
2063     *ResultCB = (AFSCommResult *)malloc( size);
2064     if (!(*ResultCB)) {
2065         osi_Log0(afsd_logp, "RDR_DeleteFileEntry out of memory");
2066         return;
2067     }
2068
2069     memset( *ResultCB,
2070             '\0',
2071             size);
2072
2073     parentFid.cell   = ParentId.Cell;
2074     parentFid.volume = ParentId.Volume;
2075     parentFid.vnode  = ParentId.Vnode;
2076     parentFid.unique = ParentId.Unique;
2077     parentFid.hash   = ParentId.Hash;
2078
2079     code = cm_GetSCache(&parentFid, NULL, &dscp, userp, &req);
2080     if (code) {
2081         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2082         if ( status == STATUS_INVALID_HANDLE)
2083             status = STATUS_OBJECT_PATH_INVALID;
2084         (*ResultCB)->ResultStatus = status;
2085         osi_Log2(afsd_logp, "RDR_DeleteFileEntry cm_GetSCache ParentFID failure code=0x%x status=0x%x",
2086                   code, status);
2087         return;
2088     }
2089
2090     lock_ObtainWrite(&dscp->rw);
2091
2092     code = cm_SyncOp(dscp, NULL, userp, &req, 0,
2093                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2094     if (code) {
2095         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2096         (*ResultCB)->ResultStatus = status;
2097         (*ResultCB)->ResultBufferLength = 0;
2098         lock_ReleaseWrite(&dscp->rw);
2099         cm_ReleaseSCache(dscp);
2100         osi_Log3(afsd_logp, "RDR_DeleteFileEntry cm_SyncOp failure dscp=0x%p code=0x%x status=0x%x",
2101                  dscp, code, status);
2102         return;
2103     }
2104
2105     cm_SyncOpDone(dscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2106     lock_ReleaseWrite(&dscp->rw);
2107
2108     if (dscp->fileType != CM_SCACHETYPE_DIRECTORY) {
2109         (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
2110         cm_ReleaseSCache(dscp);
2111         osi_Log1(afsd_logp, "RDR_DeleteFileEntry Not a Directory dscp=0x%p",
2112                  dscp);
2113         return;
2114     }
2115
2116     code = cm_Lookup(dscp, FileName, 0, userp, &req, &scp);
2117     if (code) {
2118         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2119         (*ResultCB)->ResultStatus = status;
2120         (*ResultCB)->ResultBufferLength = 0;
2121         cm_ReleaseSCache(dscp);
2122         osi_Log2(afsd_logp, "RDR_DeleteFileEntry cm_Lookup failure code=0x%x status=0x%x",
2123                  code, status);
2124         return;
2125     }
2126
2127     lock_ObtainWrite(&scp->rw);
2128     code = cm_SyncOp(scp, NULL, userp, &req, PRSFS_DELETE,
2129                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2130     if (code) {
2131         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2132         (*ResultCB)->ResultStatus = status;
2133         (*ResultCB)->ResultBufferLength = 0;
2134         lock_ReleaseWrite(&scp->rw);
2135         cm_ReleaseSCache(scp);
2136         cm_ReleaseSCache(dscp);
2137         osi_Log3(afsd_logp, "RDR_DeleteFileEntry cm_SyncOp failure scp=0x%p code=0x%x status=0x%x",
2138                  scp, code, status);
2139         return;
2140     }
2141
2142     if (!bCheckOnly) {
2143         /* Drop all locks since the file is being deleted */
2144         code = cm_SyncOp(scp, NULL, userp, &req, 0,
2145                          CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
2146         if (code) {
2147             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2148             (*ResultCB)->ResultStatus = status;
2149             (*ResultCB)->ResultBufferLength = 0;
2150             lock_ReleaseWrite(&scp->rw);
2151             cm_ReleaseSCache(scp);
2152             cm_ReleaseSCache(dscp);
2153             osi_Log3(afsd_logp, "RDR_DeleteFileEntry cm_SyncOp Lock failure scp=0x%p code=0x%x status=0x%x",
2154                      scp, code, status);
2155         }
2156
2157         /* the scp is now locked and current */
2158         key = cm_GenerateKey(CM_SESSION_IFS, ProcessId, 0);
2159
2160         code = cm_UnlockByKey(scp, key,
2161                               CM_UNLOCK_FLAG_BY_FID,
2162                               userp, &req);
2163
2164         cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
2165         lock_ReleaseWrite(&scp->rw);
2166
2167         if (scp->fileType == CM_SCACHETYPE_DIRECTORY)
2168             code = cm_RemoveDir(dscp, NULL, FileName, userp, &req);
2169         else
2170             code = cm_Unlink(dscp, NULL, FileName, userp, &req);
2171     } else {
2172         lock_ReleaseWrite(&scp->rw);
2173     }
2174
2175     if (code == 0) {
2176         (*ResultCB)->ResultStatus = 0;  // We will be able to fit all the data in here
2177
2178         (*ResultCB)->ResultBufferLength = sizeof( AFSFileDeleteResultCB);
2179
2180         pResultCB = (AFSFileDeleteResultCB *)(*ResultCB)->ResultData;
2181
2182         pResultCB->ParentDataVersion.QuadPart = dscp->dataVersion;
2183         osi_Log0(afsd_logp, "RDR_DeleteFileEntry SUCCESS");
2184     } else {
2185         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2186         (*ResultCB)->ResultStatus = status;
2187         (*ResultCB)->ResultBufferLength = 0;
2188         osi_Log2(afsd_logp, "RDR_DeleteFileEntry FAILURE code=0x%x status=0x%x",
2189                   code, status);
2190     }
2191
2192     cm_ReleaseSCache(dscp);
2193     cm_ReleaseSCache(scp);
2194
2195     return;
2196 }
2197
2198 void
2199 RDR_RenameFileEntry( IN cm_user_t *userp,
2200                      IN WCHAR    *SourceFileNameCounted,
2201                      IN DWORD     SourceFileNameLength,
2202                      IN AFSFileID SourceFileId,
2203                      IN AFSFileRenameCB *pRenameCB,
2204                      IN BOOL bWow64,
2205                      IN DWORD ResultBufferLength,
2206                      IN OUT AFSCommResult **ResultCB)
2207 {
2208
2209     AFSFileRenameResultCB *pResultCB = NULL;
2210     size_t size = sizeof(AFSCommResult) + ResultBufferLength - 1;
2211     AFSFileID              SourceParentId   = pRenameCB->SourceParentId;
2212     AFSFileID              TargetParentId   = pRenameCB->TargetParentId;
2213     WCHAR *                TargetFileNameCounted = pRenameCB->TargetName;
2214     DWORD                  TargetFileNameLength = pRenameCB->TargetNameLength;
2215     cm_fid_t               SourceParentFid;
2216     cm_fid_t               TargetParentFid;
2217     cm_fid_t               SourceFid;
2218     cm_fid_t               OrigTargetFid = {0,0,0,0,0};
2219     cm_fid_t               TargetFid;
2220     cm_scache_t *          oldDscp;
2221     cm_scache_t *          newDscp;
2222     cm_dirOp_t dirop;
2223     wchar_t                shortName[13];
2224     wchar_t                SourceFileName[260];
2225     wchar_t                TargetFileName[260];
2226     cm_dirFid_t            dfid;
2227     cm_req_t               req;
2228     afs_uint32             code;
2229     DWORD                  status;
2230
2231     RDR_InitReq(&req, bWow64);
2232
2233     StringCchCopyNW(SourceFileName, 260, SourceFileNameCounted, SourceFileNameLength / sizeof(WCHAR));
2234     StringCchCopyNW(TargetFileName, 260, TargetFileNameCounted, TargetFileNameLength / sizeof(WCHAR));
2235
2236     osi_Log4(afsd_logp, "RDR_RenameFileEntry Source Parent FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
2237               SourceParentId.Cell,  SourceParentId.Volume,
2238               SourceParentId.Vnode, SourceParentId.Unique);
2239     osi_Log2(afsd_logp, "... Source Name=%S Length %u", osi_LogSaveStringW(afsd_logp, SourceFileName), SourceFileNameLength);
2240     osi_Log4(afsd_logp, "... Target Parent FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
2241               TargetParentId.Cell,  TargetParentId.Volume,
2242               TargetParentId.Vnode, TargetParentId.Unique);
2243     osi_Log2(afsd_logp, "... Target Name=%S Length %u", osi_LogSaveStringW(afsd_logp, TargetFileName), TargetFileNameLength);
2244
2245     *ResultCB = (AFSCommResult *)malloc( size);
2246     if (!(*ResultCB))
2247         return;
2248
2249     memset( *ResultCB,
2250             '\0',
2251             size);
2252
2253     pResultCB = (AFSFileRenameResultCB *)(*ResultCB)->ResultData;
2254
2255     if (SourceFileNameLength == 0 || TargetFileNameLength == 0)
2256     {
2257         osi_Log2(afsd_logp, "RDR_RenameFileEntry Invalid Name Length: src %u target %u",
2258                  SourceFileNameLength, TargetFileNameLength);
2259         (*ResultCB)->ResultStatus = STATUS_INVALID_PARAMETER;
2260         return;
2261     }
2262
2263     SourceParentFid.cell   = SourceParentId.Cell;
2264     SourceParentFid.volume = SourceParentId.Volume;
2265     SourceParentFid.vnode  = SourceParentId.Vnode;
2266     SourceParentFid.unique = SourceParentId.Unique;
2267     SourceParentFid.hash   = SourceParentId.Hash;
2268
2269     TargetParentFid.cell   = TargetParentId.Cell;
2270     TargetParentFid.volume = TargetParentId.Volume;
2271     TargetParentFid.vnode  = TargetParentId.Vnode;
2272     TargetParentFid.unique = TargetParentId.Unique;
2273     TargetParentFid.hash   = TargetParentId.Hash;
2274
2275     code = cm_GetSCache(&SourceParentFid, NULL, &oldDscp, userp, &req);
2276     if (code) {
2277         osi_Log1(afsd_logp, "RDR_RenameFileEntry cm_GetSCache source parent failed code 0x%x", code);
2278         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2279         if ( status == STATUS_INVALID_HANDLE)
2280             status = STATUS_OBJECT_PATH_INVALID;
2281         (*ResultCB)->ResultStatus = status;
2282         return;
2283     }
2284
2285     lock_ObtainWrite(&oldDscp->rw);
2286     code = cm_SyncOp(oldDscp, NULL, userp, &req, 0,
2287                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2288     if (code) {
2289         osi_Log2(afsd_logp, "RDR_RenameFileEntry cm_SyncOp oldDscp 0x%p failed code 0x%x", oldDscp, code);
2290         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2291         if ( status == STATUS_INVALID_HANDLE)
2292             status = STATUS_OBJECT_PATH_INVALID;
2293         (*ResultCB)->ResultStatus = status;
2294         lock_ReleaseWrite(&oldDscp->rw);
2295         cm_ReleaseSCache(oldDscp);
2296         return;
2297     }
2298
2299     cm_SyncOpDone(oldDscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2300     lock_ReleaseWrite(&oldDscp->rw);
2301
2302
2303     if (oldDscp->fileType != CM_SCACHETYPE_DIRECTORY) {
2304         osi_Log1(afsd_logp, "RDR_RenameFileEntry oldDscp 0x%p not a directory", oldDscp);
2305         (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
2306         cm_ReleaseSCache(oldDscp);
2307         return;
2308     }
2309
2310     code = cm_GetSCache(&TargetParentFid, NULL, &newDscp, userp, &req);
2311     if (code) {
2312         osi_Log1(afsd_logp, "RDR_RenameFileEntry cm_GetSCache target parent failed code 0x%x", code);
2313         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2314         (*ResultCB)->ResultStatus = status;
2315         cm_ReleaseSCache(oldDscp);
2316         return;
2317     }
2318
2319     lock_ObtainWrite(&newDscp->rw);
2320     code = cm_SyncOp(newDscp, NULL, userp, &req, 0,
2321                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2322     if (code) {
2323         osi_Log2(afsd_logp, "RDR_RenameFileEntry cm_SyncOp newDscp 0x%p failed code 0x%x", newDscp, code);
2324         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2325         (*ResultCB)->ResultStatus = status;
2326         lock_ReleaseWrite(&newDscp->rw);
2327         cm_ReleaseSCache(oldDscp);
2328         cm_ReleaseSCache(newDscp);
2329         return;
2330     }
2331
2332     cm_SyncOpDone(newDscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2333     lock_ReleaseWrite(&newDscp->rw);
2334
2335
2336     if (newDscp->fileType != CM_SCACHETYPE_DIRECTORY) {
2337         osi_Log1(afsd_logp, "RDR_RenameFileEntry newDscp 0x%p not a directory", newDscp);
2338         (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
2339         cm_ReleaseSCache(oldDscp);
2340         cm_ReleaseSCache(newDscp);
2341         return;
2342     }
2343
2344     /* Obtain the original FID just for debugging purposes */
2345     code = cm_BeginDirOp( oldDscp, userp, &req, CM_DIRLOCK_READ, CM_DIROP_FLAG_NONE, &dirop);
2346     if (code == 0) {
2347         code = cm_BPlusDirLookup(&dirop, SourceFileName, &SourceFid);
2348         code = cm_BPlusDirLookup(&dirop, TargetFileName, &OrigTargetFid);
2349         cm_EndDirOp(&dirop);
2350     }
2351
2352     code = cm_Rename( oldDscp, NULL, SourceFileName,
2353                       newDscp, TargetFileName, userp, &req);
2354     if (code == 0) {
2355         cm_scache_t *scp = 0;
2356         DWORD dwRemaining;
2357
2358         (*ResultCB)->ResultBufferLength = ResultBufferLength;
2359         dwRemaining = ResultBufferLength - sizeof( AFSFileRenameResultCB) + sizeof( AFSDirEnumEntry);
2360         (*ResultCB)->ResultStatus = 0;
2361
2362         pResultCB->SourceParentDataVersion.QuadPart = oldDscp->dataVersion;
2363         pResultCB->TargetParentDataVersion.QuadPart = newDscp->dataVersion;
2364
2365         osi_Log2(afsd_logp, "RDR_RenameFileEntry cm_Rename oldDscp 0x%p newDscp 0x%p SUCCESS",
2366                  oldDscp, newDscp);
2367
2368         code = cm_BeginDirOp( newDscp, userp, &req, CM_DIRLOCK_READ, CM_DIROP_FLAG_NONE, &dirop);
2369         if (code == 0) {
2370             code = cm_BPlusDirLookup(&dirop, TargetFileName, &TargetFid);
2371             cm_EndDirOp(&dirop);
2372         }
2373
2374         if (code != 0) {
2375             osi_Log1(afsd_logp, "RDR_RenameFileEntry cm_BPlusDirLookup failed code 0x%x",
2376                      code);
2377             (*ResultCB)->ResultStatus = STATUS_OBJECT_PATH_INVALID;
2378             cm_ReleaseSCache(oldDscp);
2379             cm_ReleaseSCache(newDscp);
2380             return;
2381         }
2382
2383         osi_Log4(afsd_logp, "RDR_RenameFileEntry Target FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
2384                   TargetFid.cell,  TargetFid.volume,
2385                   TargetFid.vnode, TargetFid.unique);
2386
2387         code = cm_GetSCache(&TargetFid, &newDscp->fid, &scp, userp, &req);
2388         if (code) {
2389             osi_Log1(afsd_logp, "RDR_RenameFileEntry cm_GetSCache target failed code 0x%x", code);
2390             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2391             (*ResultCB)->ResultStatus = status;
2392             cm_ReleaseSCache(oldDscp);
2393             cm_ReleaseSCache(newDscp);
2394             return;
2395         }
2396
2397         /* Make sure the source vnode is current */
2398         lock_ObtainWrite(&scp->rw);
2399         code = cm_SyncOp(scp, NULL, userp, &req, 0,
2400                           CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2401         if (code) {
2402             osi_Log2(afsd_logp, "RDR_RenameFileEntry cm_SyncOp scp 0x%p failed code 0x%x", scp, code);
2403             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2404             (*ResultCB)->ResultStatus = status;
2405             lock_ReleaseWrite(&scp->rw);
2406             cm_ReleaseSCache(oldDscp);
2407             cm_ReleaseSCache(newDscp);
2408             cm_ReleaseSCache(scp);
2409             return;
2410         }
2411
2412         cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2413         lock_ReleaseWrite(&scp->rw);
2414
2415         if (cm_shortNames) {
2416             dfid.vnode = htonl(scp->fid.vnode);
2417             dfid.unique = htonl(scp->fid.unique);
2418
2419             if (!cm_Is8Dot3(TargetFileName))
2420                 cm_Gen8Dot3NameIntW(TargetFileName, &dfid, shortName, NULL);
2421             else
2422                 shortName[0] = '\0';
2423         }
2424
2425         RDR_PopulateCurrentEntry(&pResultCB->DirEnum, dwRemaining,
2426                                  newDscp, scp, userp, &req, TargetFileName, shortName,
2427                                  RDR_POP_FOLLOW_MOUNTPOINTS | RDR_POP_EVALUATE_SYMLINKS,
2428                                  0, NULL, &dwRemaining);
2429         (*ResultCB)->ResultBufferLength = ResultBufferLength - dwRemaining;
2430         cm_ReleaseSCache(scp);
2431
2432         osi_Log0(afsd_logp, "RDR_RenameFileEntry SUCCESS");
2433     } else {
2434         osi_Log3(afsd_logp, "RDR_RenameFileEntry cm_Rename oldDscp 0x%p newDscp 0x%p failed code 0x%x",
2435                  oldDscp, newDscp, code);
2436         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2437         (*ResultCB)->ResultStatus = status;
2438         (*ResultCB)->ResultBufferLength = 0;
2439     }
2440
2441     cm_ReleaseSCache(oldDscp);
2442     cm_ReleaseSCache(newDscp);
2443     return;
2444 }
2445
2446 void
2447 RDR_FlushFileEntry( IN cm_user_t *userp,
2448                     IN AFSFileID FileId,
2449                     IN BOOL bWow64,
2450                     IN DWORD ResultBufferLength,
2451                     IN OUT AFSCommResult **ResultCB)
2452 {
2453     cm_scache_t *scp = NULL;
2454     cm_fid_t    Fid;
2455     afs_uint32  code;
2456     cm_req_t    req;
2457     DWORD       status;
2458 #ifdef ODS_DEBUG
2459     char        dbgstr[1024];
2460 #endif
2461
2462     RDR_InitReq(&req, bWow64);
2463
2464     osi_Log4(afsd_logp, "RDR_FlushFileEntry File FID cell 0x%x vol 0x%x vno 0x%x uniq 0x%x",
2465               FileId.Cell, FileId.Volume,
2466               FileId.Vnode, FileId.Unique);
2467 #ifdef ODS_DEBUG
2468     snprintf( dbgstr, 1024,
2469               "RDR_FlushFileEntry File FID cell 0x%x vol 0x%x vno 0x%x uniq 0x%x\n",
2470               FileId.Cell, FileId.Volume,
2471               FileId.Vnode, FileId.Unique);
2472     OutputDebugStringA( dbgstr);
2473 #endif
2474
2475     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult));
2476     if (!(*ResultCB)) {
2477         osi_Log0(afsd_logp, "RDR_FlushFileEntry out of memory");
2478         return;
2479     }
2480
2481     memset( *ResultCB,
2482             '\0',
2483             sizeof( AFSCommResult));
2484
2485     /* Process the release */
2486     Fid.cell = FileId.Cell;
2487     Fid.volume = FileId.Volume;
2488     Fid.vnode = FileId.Vnode;
2489     Fid.unique = FileId.Unique;
2490     Fid.hash = FileId.Hash;
2491
2492     code = cm_GetSCache(&Fid, NULL, &scp, userp, &req);
2493     if (code) {
2494         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2495         (*ResultCB)->ResultStatus = status;
2496         osi_Log2(afsd_logp, "RDR_FlushFileEntry cm_GetSCache FID failure code=0x%x status=0x%x",
2497                   code, status);
2498         return;
2499     }
2500
2501     lock_ObtainWrite(&scp->rw);
2502     if (scp->flags & CM_SCACHEFLAG_DELETED) {
2503         lock_ReleaseWrite(&scp->rw);
2504         (*ResultCB)->ResultStatus = STATUS_INVALID_HANDLE;
2505         return;
2506     }
2507
2508     code = cm_SyncOp(scp, NULL, userp, &req, 0,
2509                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2510     if (code) {
2511         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2512         (*ResultCB)->ResultStatus = status;
2513         lock_ReleaseWrite(&scp->rw);
2514         cm_ReleaseSCache(scp);
2515         osi_Log3(afsd_logp, "RDR_FlushFileEntry cm_SyncOp failure scp=0x%p code=0x%x status=0x%x",
2516                  scp, code, status);
2517         return;
2518     }
2519
2520     cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2521     lock_ReleaseWrite(&scp->rw);
2522
2523     code = cm_FSync(scp, userp, &req, FALSE);
2524     cm_ReleaseSCache(scp);
2525
2526     if (code) {
2527         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2528         (*ResultCB)->ResultStatus = status;
2529         osi_Log2(afsd_logp, "RDR_FlushFileEntry FAILURE code=0x%x status=0x%x",
2530                   code, status);
2531     } else {
2532         (*ResultCB)->ResultStatus = 0;
2533         osi_Log0(afsd_logp, "RDR_FlushFileEntry SUCCESS");
2534     }
2535     (*ResultCB)->ResultBufferLength = 0;
2536
2537     return;
2538 }
2539
2540 afs_uint32
2541 RDR_CheckAccess( IN cm_scache_t *scp, cm_user_t *userp, cm_req_t *reqp,
2542                  ULONG access,
2543                  ULONG *granted)
2544 {
2545     ULONG afs_acc, afs_gr;
2546     BOOLEAN file, dir;
2547     afs_uint32 code = 0;
2548
2549     file = (scp->fileType == CM_SCACHETYPE_FILE);
2550     dir = !file;
2551
2552     /* access definitions from prs_fs.h */
2553     afs_acc = 0;
2554     if (access & FILE_READ_DATA)
2555         afs_acc |= PRSFS_READ;
2556     if (access & FILE_READ_EA || access & FILE_READ_ATTRIBUTES)
2557         afs_acc |= PRSFS_READ;
2558     if (file && ((access & FILE_WRITE_DATA) || (access & FILE_APPEND_DATA)))
2559         afs_acc |= PRSFS_WRITE;
2560     if (access & FILE_WRITE_EA || access & FILE_WRITE_ATTRIBUTES)
2561         afs_acc |= PRSFS_WRITE;
2562     if (dir && ((access & FILE_ADD_FILE) || (access & FILE_ADD_SUBDIRECTORY)))
2563         afs_acc |= PRSFS_INSERT;
2564     if (dir && (access & FILE_LIST_DIRECTORY))
2565         afs_acc |= PRSFS_LOOKUP;
2566     if (file && (access & FILE_EXECUTE))
2567         afs_acc |= PRSFS_WRITE;
2568     if (dir && (access & FILE_TRAVERSE))
2569         afs_acc |= PRSFS_READ;
2570     if (dir && (access & FILE_DELETE_CHILD))
2571         afs_acc |= PRSFS_DELETE;
2572     if ((access & DELETE))
2573         afs_acc |= PRSFS_DELETE;
2574
2575     /* check ACL with server */
2576     lock_ObtainWrite(&scp->rw);
2577     while (1)
2578     {
2579         if (cm_HaveAccessRights(scp, userp, reqp, afs_acc, &afs_gr))
2580         {
2581             break;
2582         }
2583         else
2584         {
2585             /* we don't know the required access rights */
2586             code = cm_GetAccessRights(scp, userp, reqp);
2587             if (code)
2588                 break;
2589             continue;
2590         }
2591     }
2592     lock_ReleaseWrite(&(scp->rw));
2593
2594     if (code == 0) {
2595         *granted = 0;
2596         if (afs_gr & PRSFS_READ)
2597             *granted |= FILE_READ_DATA | FILE_READ_EA | FILE_READ_ATTRIBUTES | FILE_EXECUTE;
2598         if (afs_gr & PRSFS_WRITE)
2599             *granted |= FILE_WRITE_DATA | FILE_APPEND_DATA | FILE_WRITE_EA | FILE_WRITE_ATTRIBUTES | FILE_EXECUTE;
2600         if (afs_gr & PRSFS_INSERT)
2601             *granted |= (dir ? FILE_ADD_FILE | FILE_ADD_SUBDIRECTORY : 0) | (file ? FILE_ADD_SUBDIRECTORY : 0);
2602         if (afs_gr & PRSFS_LOOKUP)
2603             *granted |= (dir ? FILE_LIST_DIRECTORY : 0);
2604         if (afs_gr & PRSFS_DELETE)
2605             *granted |= FILE_DELETE_CHILD | DELETE;
2606         if (afs_gr & PRSFS_LOCK)
2607             *granted |= 0;
2608         if (afs_gr & PRSFS_ADMINISTER)
2609             *granted |= 0;
2610
2611         *granted |= SYNCHRONIZE | READ_CONTROL;
2612
2613         /* don't give more access than what was requested */
2614         *granted &= access;
2615         osi_Log3(afsd_logp, "RDR_CheckAccess SUCCESS scp=0x%p requested=0x%x granted=0x%x", scp, access, *granted);
2616     } else
2617         osi_Log2(afsd_logp, "RDR_CheckAccess FAILURE scp=0x%p code=0x%x",
2618                  scp, code);
2619
2620     return code;
2621 }
2622
2623 void
2624 RDR_OpenFileEntry( IN cm_user_t *userp,
2625                    IN AFSFileID FileId,
2626                    IN AFSFileOpenCB *OpenCB,
2627                    IN BOOL bWow64,
2628                    IN BOOL bHoldFid,
2629                    IN DWORD ResultBufferLength,
2630                    IN OUT AFSCommResult **ResultCB)
2631 {
2632     AFSFileOpenResultCB *pResultCB = NULL;
2633     cm_scache_t *scp = NULL;
2634     cm_user_t   *sysUserp = NULL;
2635     cm_fid_t    Fid;
2636     cm_lock_data_t      *ldp = NULL;
2637     afs_uint32  code;
2638     cm_req_t    req;
2639     DWORD       status;
2640
2641     RDR_InitReq(&req, bWow64);
2642
2643     osi_Log4(afsd_logp, "RDR_OpenFileEntry File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
2644               FileId.Cell, FileId.Volume,
2645               FileId.Vnode, FileId.Unique);
2646
2647     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult) + sizeof( AFSFileOpenResultCB));
2648     if (!(*ResultCB)) {
2649         osi_Log0(afsd_logp, "RDR_OpenFileEntry out of memory");
2650         return;
2651     }
2652
2653     memset( *ResultCB,
2654             '\0',
2655             sizeof( AFSCommResult) + sizeof( AFSFileOpenResultCB));
2656
2657     pResultCB = (AFSFileOpenResultCB *)(*ResultCB)->ResultData;
2658
2659     /* Process the release */
2660     Fid.cell = FileId.Cell;
2661     Fid.volume = FileId.Volume;
2662     Fid.vnode = FileId.Vnode;
2663     Fid.unique = FileId.Unique;
2664     Fid.hash = FileId.Hash;
2665
2666     code = cm_GetSCache(&Fid, NULL, &scp, userp, &req);
2667     if (code) {
2668         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2669         (*ResultCB)->ResultStatus = status;
2670         osi_Log2(afsd_logp, "RDR_OpenFileEntry cm_GetSCache FID failure code=0x%x status=0x%x",
2671                   code, status);
2672         return;
2673     }
2674
2675     lock_ObtainWrite(&scp->rw);
2676     code = cm_SyncOp(scp, NULL, userp, &req, 0,
2677                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2678     if (code) {
2679         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2680         (*ResultCB)->ResultStatus = status;
2681         lock_ReleaseWrite(&scp->rw);
2682         cm_ReleaseSCache(scp);
2683         osi_Log3(afsd_logp, "RDR_OpenFileEntry cm_SyncOp failure scp=0x%p code=0x%x status=0x%x",
2684                  scp, code, status);
2685         return;
2686     }
2687
2688     cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2689     lock_ReleaseWrite(&scp->rw);
2690
2691     sysUserp = RDR_GetLocalSystemUser();
2692
2693     /*
2694      * Skip the open check if the request is coming from the local system account.
2695      * The local system has no tokens and therefore any requests sent to a file
2696      * server will fail.  Unfortunately, there are special system processes that
2697      * perform actions on files and directories in preparation for memory mapping
2698      * executables.  If the open check fails, the real request from the user process
2699      * will never be issued.
2700      *
2701      * Permitting the file system to allow subsequent operations to proceed does
2702      * not compromise security.  All requests to obtain file data or directory
2703      * enumerations will subsequently fail if they are not submitted under the
2704      * context of a process for that have access to the necessary credentials.
2705      */
2706
2707     if ( userp == sysUserp)
2708     {
2709         osi_Log1(afsd_logp, "RDR_OpenFileEntry LOCAL_SYSTEM access check skipped scp=0x%p",
2710                  scp);
2711         pResultCB->GrantedAccess = OpenCB->DesiredAccess;
2712         pResultCB->FileAccess = AFS_FILE_ACCESS_NOLOCK;
2713         code = 0;
2714     }
2715     else
2716     {
2717         int count = 0;
2718
2719         do {
2720             if (count++ > 0) {
2721                 Sleep(350);
2722                 osi_Log3(afsd_logp,
2723                          "RDR_OpenFileEntry repeating open check scp=0x%p userp=0x%p code=0x%x",
2724                          scp, userp, code);
2725             }
2726             code = cm_CheckNTOpen(scp, OpenCB->DesiredAccess, OpenCB->ShareAccess,
2727                                   OPEN_ALWAYS,
2728                                   OpenCB->ProcessId, OpenCB->Identifier,
2729                                   userp, &req, &ldp);
2730             if (code == 0)
2731                 code = RDR_CheckAccess(scp, userp, &req, OpenCB->DesiredAccess, &pResultCB->GrantedAccess);
2732             cm_CheckNTOpenDone(scp, userp, &req, &ldp);
2733         } while (count < 100 && (code == CM_ERROR_RETRY || code == CM_ERROR_WOULDBLOCK));
2734     }
2735
2736     /*
2737      * If we are restricting sharing, we should do so with a suitable
2738      * share lock.
2739      */
2740     if (code == 0 && scp->fileType == CM_SCACHETYPE_FILE && !(OpenCB->ShareAccess & FILE_SHARE_WRITE)) {
2741         cm_key_t key;
2742         LARGE_INTEGER LOffset, LLength;
2743         int sLockType;
2744
2745         LOffset.HighPart = SMB_FID_QLOCK_HIGH;
2746         LOffset.LowPart = SMB_FID_QLOCK_LOW;
2747         LLength.HighPart = 0;
2748         LLength.LowPart = SMB_FID_QLOCK_LENGTH;
2749
2750         /*
2751          * If we are not opening the file for writing, then we don't
2752          * try to get an exclusive lock.  No one else should be able to
2753          * get an exclusive lock on the file anyway, although someone
2754          * else can get a shared lock.
2755          */
2756         if ((OpenCB->ShareAccess & FILE_SHARE_READ) || !(OpenCB->DesiredAccess & AFS_ACCESS_WRITE))
2757         {
2758             sLockType = LOCKING_ANDX_SHARED_LOCK;
2759         } else {
2760             sLockType = 0;
2761         }
2762
2763         key = cm_GenerateKey(CM_SESSION_IFS, SMB_FID_QLOCK_PID, OpenCB->Identifier);
2764
2765         lock_ObtainWrite(&scp->rw);
2766         code = cm_Lock(scp, sLockType, LOffset, LLength, key, 0, userp, &req, NULL);
2767         lock_ReleaseWrite(&scp->rw);
2768
2769         if (code) {
2770             code = CM_ERROR_SHARING_VIOLATION;
2771             pResultCB->FileAccess = AFS_FILE_ACCESS_NOLOCK;
2772         } else {
2773             if (sLockType == LOCKING_ANDX_SHARED_LOCK)
2774                 pResultCB->FileAccess = AFS_FILE_ACCESS_SHARED;
2775             else
2776                 pResultCB->FileAccess = AFS_FILE_ACCESS_EXCLUSIVE;
2777         }
2778     } else {
2779         pResultCB->FileAccess = AFS_FILE_ACCESS_NOLOCK;
2780     }
2781
2782     cm_ReleaseUser(sysUserp);
2783     if (code == 0 && bHoldFid)
2784         RDR_FlagScpInUse( scp, FALSE );
2785     cm_ReleaseSCache(scp);
2786
2787     if (code) {
2788         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2789         (*ResultCB)->ResultStatus = status;
2790         osi_Log2(afsd_logp, "RDR_OpenFileEntry FAILURE code=0x%x status=0x%x",
2791                   code, status);
2792     } else {
2793         (*ResultCB)->ResultStatus = 0;
2794         (*ResultCB)->ResultBufferLength = sizeof( AFSFileOpenResultCB);
2795         osi_Log0(afsd_logp, "RDR_OpenFileEntry SUCCESS");
2796     }
2797     return;
2798 }
2799
2800 void
2801 RDR_ReleaseFileAccess( IN cm_user_t *userp,
2802                        IN AFSFileID FileId,
2803                        IN AFSFileAccessReleaseCB *ReleaseFileCB,
2804                        IN BOOL bWow64,
2805                        IN DWORD ResultBufferLength,
2806                        IN OUT AFSCommResult **ResultCB)
2807 {
2808     cm_key_t key;
2809     unsigned int sLockType;
2810     LARGE_INTEGER LOffset, LLength;
2811     cm_scache_t *scp = NULL;
2812     cm_fid_t    Fid;
2813     afs_uint32  code;
2814     cm_req_t    req;
2815     DWORD       status;
2816
2817     RDR_InitReq(&req, bWow64);
2818
2819     osi_Log4(afsd_logp, "RDR_ReleaseFileAccess File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
2820               FileId.Cell, FileId.Volume,
2821               FileId.Vnode, FileId.Unique);
2822
2823     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult));
2824     if (!(*ResultCB)) {
2825         osi_Log0(afsd_logp, "RDR_ReleaseFileAccess out of memory");
2826         return;
2827     }
2828
2829     memset( *ResultCB, '\0', sizeof( AFSCommResult));
2830
2831     if (ReleaseFileCB->FileAccess == AFS_FILE_ACCESS_NOLOCK)
2832         return;
2833
2834     /* Process the release */
2835     Fid.cell = FileId.Cell;
2836     Fid.volume = FileId.Volume;
2837     Fid.vnode = FileId.Vnode;
2838     Fid.unique = FileId.Unique;
2839     Fid.hash = FileId.Hash;
2840
2841     code = cm_GetSCache(&Fid, NULL, &scp, userp, &req);
2842     if (code) {
2843         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2844         (*ResultCB)->ResultStatus = status;
2845         osi_Log2(afsd_logp, "RDR_ReleaseFileAccess cm_GetSCache FID failure code=0x%x status=0x%x",
2846                   code, status);
2847         return;
2848     }
2849
2850     if (ReleaseFileCB->FileAccess == AFS_FILE_ACCESS_SHARED)
2851         sLockType = LOCKING_ANDX_SHARED_LOCK;
2852     else
2853         sLockType = 0;
2854
2855     key = cm_GenerateKey(CM_SESSION_IFS, SMB_FID_QLOCK_PID, ReleaseFileCB->Identifier);
2856
2857     LOffset.HighPart = SMB_FID_QLOCK_HIGH;
2858     LOffset.LowPart = SMB_FID_QLOCK_LOW;
2859     LLength.HighPart = 0;
2860     LLength.LowPart = SMB_FID_QLOCK_LENGTH;
2861
2862     lock_ObtainWrite(&scp->rw);
2863
2864     code = cm_SyncOp(scp, NULL, userp, &req, 0, CM_SCACHESYNC_LOCK);
2865     if (code == 0)
2866     {
2867         code = cm_Unlock(scp, sLockType, LOffset, LLength, key, 0, userp, &req);
2868
2869         cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_LOCK);
2870
2871         if (code == CM_ERROR_RANGE_NOT_LOCKED)
2872         {
2873             osi_Log3(afsd_logp, "RDR_ReleaseFileAccess Range Not Locked -- FileAccess 0x%x ProcessId 0x%x HandleId 0x%x",
2874                      ReleaseFileCB->FileAccess, ReleaseFileCB->ProcessId, ReleaseFileCB->Identifier);
2875         }
2876     }
2877
2878     lock_ReleaseWrite(&scp->rw);
2879
2880     osi_Log0(afsd_logp, "RDR_ReleaseFileAccessEntry SUCCESS");
2881 }
2882
2883 static const char *
2884 HexCheckSum(unsigned char * buf, int buflen, unsigned char * md5cksum)
2885 {
2886     int i, k;
2887     static char tr[16] = {'0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'};
2888
2889     if (buflen < 33)
2890         return "buffer length too small to HexCheckSum";
2891
2892     for (i=0;i<16;i++) {
2893         k = md5cksum[i];
2894
2895         buf[i*2] = tr[k / 16];
2896         buf[i*2+1] = tr[k % 16];
2897     }
2898     buf[32] = '\0';
2899
2900     return buf;
2901 }
2902
2903 /*
2904  * Extent requests from the file system are triggered when a file
2905  * page is not resident in the Windows cache.  The file system is
2906  * responsible for loading the page but cannot block the request
2907  * while doing so.  The AFS Redirector forwards the requests to
2908  * the AFS cache manager while indicating to Windows that the page
2909  * is not yet available.  A polling operation will then ensue with
2910  * the AFS Redirector issuing a RDR_RequestFileExtentsXXX call for
2911  * each poll attempt.  As each request is received and processed
2912  * by a separate worker thread in the service, this can lead to
2913  * contention by multiple threads attempting to claim the same
2914  * cm_buf_t objects.  Therefore, it is important that
2915  *
2916  *  (a) the service avoid processing more than one overlapping
2917  *      extent request at a time
2918  *  (b) background daemon processing be used to avoid blocking
2919  *      of ioctl threads
2920  *
2921  * Beginning with the 20091122 build of the redirector, the redirector
2922  * will not issue an additional RDR_RequestFileExtentsXXX call for
2923  * each poll request.  Instead, afsd_service is required to track
2924  * the requests and return them to the redirector or fail the
2925  * portions of the request that cannot be satisfied.
2926  *
2927  * The request processing returns any extents that can be returned
2928  * immediately to the redirector.  The rest of the requested range(s)
2929  * are queued as background operations using RDR_BkgFetch().
2930  */
2931
2932 /* do the background fetch. */
2933 afs_int32
2934 RDR_BkgFetch(cm_scache_t *scp, afs_uint32 p1, afs_uint32 p2, afs_uint32 p3, afs_uint32 p4,
2935              cm_user_t *userp, cm_req_t *reqp)
2936 {
2937     osi_hyper_t length;
2938     osi_hyper_t base;
2939     osi_hyper_t offset;
2940     osi_hyper_t end;
2941     osi_hyper_t fetched;
2942     osi_hyper_t tblocksize;
2943     afs_int32 code;
2944     int rwheld = 0;
2945     cm_buf_t *bufp = NULL;
2946     DWORD dwResultBufferLength;
2947     AFSSetFileExtentsCB *pResultCB;
2948     DWORD status;
2949     afs_uint32 count=0;
2950     AFSFileID FileId;
2951     int reportErrorToRedir = 0;
2952     int force_retry = 0;
2953
2954     FileId.Cell = scp->fid.cell;
2955     FileId.Volume = scp->fid.volume;
2956     FileId.Vnode = scp->fid.vnode;
2957     FileId.Unique = scp->fid.unique;
2958     FileId.Hash = scp->fid.hash;
2959
2960     fetched.LowPart = 0;
2961     fetched.HighPart = 0;
2962     tblocksize = ConvertLongToLargeInteger(cm_data.buf_blockSize);
2963     base.LowPart = p1;
2964     base.HighPart = p2;
2965     length.LowPart = p3;
2966     length.HighPart = p4;
2967
2968     end = LargeIntegerAdd(base, length);
2969
2970     osi_Log5(afsd_logp, "Starting BKG Fetch scp 0x%p offset 0x%x:%x length 0x%x:%x",
2971              scp, p2, p1, p4, p3);
2972
2973     /*
2974      * Make sure we have a callback.
2975      * This is necessary so that we can return access denied
2976      * if a callback cannot be granted.
2977      */
2978     lock_ObtainWrite(&scp->rw);
2979     code = cm_SyncOp(scp, NULL, userp, reqp, PRSFS_READ,
2980                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2981     if (code) {
2982         lock_ReleaseWrite(&scp->rw);
2983         osi_Log2(afsd_logp, "RDR_BkgFetch cm_SyncOp failure scp=0x%p code=0x%x",
2984                  scp, code);
2985         smb_MapNTError(cm_MapRPCError(code, reqp), &status, TRUE);
2986         RDR_SetFileStatus( &scp->fid, &userp->authgroup, status);
2987         return code;
2988     }
2989     lock_ReleaseWrite(&scp->rw);
2990
2991     dwResultBufferLength = (DWORD)(sizeof( AFSSetFileExtentsCB) + sizeof( AFSSetFileExtentsCB) * (length.QuadPart / cm_data.blockSize + 1));
2992     pResultCB = (AFSSetFileExtentsCB *)malloc( dwResultBufferLength );
2993     if (!pResultCB)
2994         return CM_ERROR_RETRY;
2995
2996     memset( pResultCB, '\0', dwResultBufferLength );
2997     pResultCB->FileId = FileId;
2998
2999     for ( code = 0, offset = base;
3000           code == 0 && LargeIntegerLessThan(offset, end);
3001           offset = LargeIntegerAdd(offset, tblocksize) )
3002     {
3003         int bBufRelease = TRUE;
3004
3005         if (rwheld) {
3006             lock_ReleaseWrite(&scp->rw);
3007             rwheld = 0;
3008         }
3009
3010         code = buf_Get(scp, &offset, reqp, &bufp);
3011         if (code) {
3012             /*
3013              * any error from buf_Get() is non-fatal.
3014              * we need to re-queue this extent fetch.
3015              */
3016             force_retry = 1;
3017             break;
3018         }
3019
3020         if (!rwheld) {
3021             lock_ObtainWrite(&scp->rw);
3022             rwheld = 1;
3023         }
3024
3025         code = cm_GetBuffer(scp, bufp, NULL, userp, reqp);
3026         if (code == 0) {
3027             if (!(bufp->qFlags & CM_BUF_QREDIR)) {
3028 #ifdef VALIDATE_CHECK_SUM
3029 #ifdef ODS_DEBUG
3030                 char md5dbg[33];
3031                 char dbgstr[1024];
3032 #endif
3033 #endif
3034                 if (bufp->flags & CM_BUF_DIRTY)
3035                     cm_BufWrite(scp, &bufp->offset, cm_data.buf_blockSize, CM_BUF_WRITE_SCP_LOCKED, userp, reqp);
3036
3037                 lock_ObtainWrite(&buf_globalLock);
3038                 if (!(bufp->flags & CM_BUF_DIRTY) &&
3039                     bufp->cmFlags == 0 &&
3040                     !(bufp->qFlags & CM_BUF_QREDIR)) {
3041                     buf_InsertToRedirQueue(scp, bufp);
3042                     lock_ReleaseWrite(&buf_globalLock);
3043
3044 #ifdef VALIDATE_CHECK_SUM
3045                     buf_ComputeCheckSum(bufp);
3046 #endif
3047                     pResultCB->FileExtents[count].Flags = 0;
3048                     pResultCB->FileExtents[count].FileOffset.QuadPart = bufp->offset.QuadPart;
3049                     pResultCB->FileExtents[count].CacheOffset.QuadPart = bufp->datap - RDR_extentBaseAddress;
3050                     pResultCB->FileExtents[count].Length = cm_data.blockSize;
3051                     count++;
3052                     fetched = LargeIntegerAdd(fetched, tblocksize);
3053                     bBufRelease = FALSE;
3054
3055 #ifdef VALIDATE_CHECK_SUM
3056 #ifdef ODS_DEBUG
3057                     HexCheckSum(md5dbg, sizeof(md5dbg), bufp->md5cksum);
3058                     snprintf( dbgstr, 1024,
3059                               "RDR_BkgFetch md5 %s vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
3060                               md5dbg,
3061                               scp->fid.volume, scp->fid.vnode, scp->fid.unique,
3062                               pResultCB->FileExtents[count].FileOffset.HighPart,
3063                               pResultCB->FileExtents[count].FileOffset.LowPart,
3064                               pResultCB->FileExtents[count].CacheOffset.HighPart,
3065                               pResultCB->FileExtents[count].CacheOffset.LowPart);
3066                     OutputDebugStringA( dbgstr);
3067 #endif
3068 #endif
3069                     osi_Log4(afsd_logp, "RDR_BkgFetch Extent2FS bufp 0x%p foffset 0x%p coffset 0x%p len 0x%x",
3070                               bufp, bufp->offset.QuadPart, bufp->datap - RDR_extentBaseAddress, cm_data.blockSize);
3071                 } else {
3072                     lock_ReleaseWrite(&buf_globalLock);
3073                     if ((bufp->cmFlags != 0) || (bufp->flags & CM_BUF_DIRTY)) {
3074                         /* An I/O operation is already in progress */
3075                         force_retry = 1;
3076                         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",
3077                                   bufp, bufp->offset.QuadPart, bufp->datap - RDR_extentBaseAddress, cm_data.blockSize);
3078                     } else {
3079                         osi_Log4(afsd_logp, "RDR_BkgFetch Extent2FS Already held by Redirector bufp 0x%p foffset 0x%p coffset 0x%p len 0x%x",
3080                                   bufp, bufp->offset.QuadPart, bufp->datap - RDR_extentBaseAddress, cm_data.blockSize);
3081                     }
3082                 }
3083             } else {
3084                 osi_Log4(afsd_logp, "RDR_BkgFetch Extent2FS Already held by Redirector bufp 0x%p foffset 0x%p coffset 0x%p len 0x%x",
3085                           bufp, bufp->offset.QuadPart, bufp->datap - RDR_extentBaseAddress, cm_data.blockSize);
3086             }
3087         } else {
3088             /*
3089              * depending on what the error from cm_GetBuffer is
3090              * it may or may not be fatal.  Only return fatal errors.
3091              * Re-queue a request for others.
3092              */
3093             osi_Log5(afsd_logp, "RDR_BkgFetch Extent2FS FAILURE bufp 0x%p foffset 0x%p coffset 0x%p len 0x%x code 0x%x",
3094                       bufp, offset.QuadPart, bufp->datap - RDR_extentBaseAddress, cm_data.blockSize, code);
3095             switch (code) {
3096             case CM_ERROR_NOACCESS:
3097             case CM_ERROR_NOSUCHFILE:
3098             case CM_ERROR_NOSUCHPATH:
3099             case CM_ERROR_NOSUCHVOLUME:
3100             case CM_ERROR_NOSUCHCELL:
3101             case CM_ERROR_INVAL:
3102             case CM_ERROR_BADFD:
3103             case CM_ERROR_CLOCKSKEW:
3104             case RXKADNOAUTH:
3105             case CM_ERROR_QUOTA:
3106             case CM_ERROR_LOCK_CONFLICT:
3107                 /*
3108                  * these are fatal errors.  deliver what we can
3109                  * and halt.
3110                  */
3111                 reportErrorToRedir = 1;
3112                 break;
3113             default:
3114                 /*
3115                  * non-fatal errors.  re-queue the exent
3116                  */
3117                 code = CM_ERROR_RETRY;
3118                 force_retry = 1;
3119             }
3120         }
3121
3122         if (bBufRelease)
3123             buf_Release(bufp);
3124     }
3125
3126     if (!rwheld) {
3127         lock_ObtainWrite(&scp->rw);
3128         rwheld = 1;
3129     }
3130
3131     /* wakeup anyone who is waiting */
3132     if (scp->flags & CM_SCACHEFLAG_WAITING) {
3133         osi_Log1(afsd_logp, "RDR Bkg Fetch Waking scp 0x%p", scp);
3134         osi_Wakeup((LONG_PTR) &scp->flags);
3135     }
3136     lock_ReleaseWrite(&scp->rw);
3137
3138     if (count > 0) {
3139         pResultCB->ExtentCount = count;
3140         RDR_SetFileExtents( pResultCB, dwResultBufferLength);
3141     }
3142     free(pResultCB);
3143
3144     if (reportErrorToRedir) {
3145         smb_MapNTError(cm_MapRPCError(code, reqp), &status, TRUE);
3146         RDR_SetFileStatus( &scp->fid, &userp->authgroup, status);
3147     }
3148
3149     osi_Log4(afsd_logp, "Ending BKG Fetch scp 0x%p code 0x%x fetched 0x%x:%x",
3150              scp, code, fetched.HighPart, fetched.LowPart);
3151
3152     return force_retry ? CM_ERROR_RETRY : code;
3153 }
3154
3155
3156 BOOL
3157 RDR_RequestFileExtentsAsync( IN cm_user_t *userp,
3158                              IN AFSFileID FileId,
3159                              IN AFSRequestExtentsCB *RequestExtentsCB,
3160                              IN BOOL bWow64,
3161                              IN OUT DWORD * ResultBufferLength,
3162                              IN OUT AFSSetFileExtentsCB **ResultCB)
3163 {
3164     AFSSetFileExtentsCB *pResultCB = NULL;
3165     DWORD Length;
3166     DWORD count;
3167     DWORD status;
3168     cm_scache_t *scp = NULL;
3169     cm_fid_t    Fid;
3170     cm_buf_t    *bufp;
3171     afs_uint32  code = 0;
3172     osi_hyper_t thyper;
3173     LARGE_INTEGER ByteOffset, BeginOffset, EndOffset, QueueOffset;
3174     afs_uint32  QueueLength;
3175     cm_req_t    req;
3176     BOOLEAN     bBufRelease = TRUE;
3177
3178     RDR_InitReq(&req, bWow64);
3179     req.flags |= CM_REQ_NORETRY;
3180
3181     osi_Log4(afsd_logp, "RDR_RequestFileExtentsAsync File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
3182               FileId.Cell, FileId.Volume,
3183               FileId.Vnode, FileId.Unique);
3184     osi_Log4(afsd_logp, "... Flags 0x%x ByteOffset 0x%x:%x Length 0x%x",
3185              RequestExtentsCB->Flags,
3186              RequestExtentsCB->ByteOffset.HighPart, RequestExtentsCB->ByteOffset.LowPart,
3187              RequestExtentsCB->Length);
3188     Length = sizeof( AFSSetFileExtentsCB) + sizeof( AFSFileExtentCB) * (RequestExtentsCB->Length / cm_data.blockSize + 1);
3189
3190     pResultCB = *ResultCB = (AFSSetFileExtentsCB *)malloc( Length );
3191     if (*ResultCB == NULL) {
3192         *ResultBufferLength = 0;
3193         return FALSE;
3194     }
3195     *ResultBufferLength = Length;
3196
3197     memset( pResultCB, '\0', Length );
3198     pResultCB->FileId = FileId;
3199
3200     Fid.cell = FileId.Cell;
3201     Fid.volume = FileId.Volume;
3202     Fid.vnode = FileId.Vnode;
3203     Fid.unique = FileId.Unique;
3204     Fid.hash = FileId.Hash;
3205
3206     code = cm_GetSCache(&Fid, NULL, &scp, userp, &req);
3207     if (code) {
3208         osi_Log1(afsd_logp, "RDR_RequestFileExtentsAsync cm_GetSCache FID failure code=0x%x",
3209                   code);
3210         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
3211         return FALSE;
3212     }
3213
3214     /*
3215      * Make sure we have a callback.
3216      * This is necessary so that we can return access denied
3217      * if a callback cannot be granted.
3218      */
3219     lock_ObtainWrite(&scp->rw);
3220     code = cm_SyncOp(scp, NULL, userp, &req, PRSFS_READ,
3221                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
3222     lock_ReleaseWrite(&scp->rw);
3223     if (code) {
3224         cm_ReleaseSCache(scp);
3225         osi_Log2(afsd_logp, "RDR_RequestFileExtentsAsync cm_SyncOp failure scp=0x%p code=0x%x",
3226                  scp, code);
3227         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
3228         RDR_SetFileStatus( &scp->fid, &userp->authgroup, status);
3229         return FALSE;
3230     }
3231
3232     /* Allocate the extents from the buffer package */
3233     for ( count = 0,
3234           ByteOffset = BeginOffset = RequestExtentsCB->ByteOffset,
3235           EndOffset.QuadPart = ByteOffset.QuadPart + RequestExtentsCB->Length;
3236           code == 0 && ByteOffset.QuadPart < EndOffset.QuadPart;
3237           ByteOffset.QuadPart += cm_data.blockSize)
3238     {
3239         BOOL bHaveBuffer = FALSE;
3240
3241         QueueLength = 0;
3242         thyper.QuadPart = ByteOffset.QuadPart;
3243
3244         code = buf_Get(scp, &thyper, &req, &bufp);
3245         if (code == 0) {
3246             lock_ObtainMutex(&bufp->mx);
3247             bBufRelease = TRUE;
3248
3249             if (bufp->qFlags & CM_BUF_QREDIR) {
3250                 bHaveBuffer = TRUE;
3251             } else if (bufp->flags & CM_BUF_DIRTY) {
3252                 bHaveBuffer = FALSE;
3253 #if 0
3254                 code = buf_CleanAsyncLocked(scp, bufp, &req, 0, NULL);
3255                 switch (code) {
3256                 case 0:
3257                     bHaveBuffer = TRUE;
3258                     break;
3259                 case CM_ERROR_RETRY:
3260                     /* Couldn't flush it, obtain it asynchronously so we don't block the thread. */
3261                     bHaveBuffer = FALSE;
3262                     code = 0;
3263                     break;
3264                 default:
3265                     smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
3266                     RDR_SetFileStatus(&FileId, &userp->authgroup, status);
3267                     bHaveBuffer = FALSE;
3268                     code = 0;
3269                 }
3270 #endif
3271             } else {
3272                 osi_hyper_t minLength;  /* effective end of file */
3273
3274                 lock_ObtainRead(&scp->rw);
3275                 bHaveBuffer = cm_HaveBuffer(scp, bufp, TRUE);
3276
3277                 if (LargeIntegerGreaterThan(scp->length, scp->serverLength))
3278                     minLength = scp->serverLength;
3279                 else
3280                     minLength = scp->length;
3281
3282                 if (LargeIntegerGreaterThanOrEqualTo(bufp->offset, minLength)) {
3283                     if (!bHaveBuffer) {
3284                         memset(bufp->datap, 0, cm_data.buf_blockSize);
3285                         bufp->dataVersion = scp->dataVersion;
3286                         bHaveBuffer = TRUE;
3287                     }
3288                     else if (bufp->dataVersion == CM_BUF_VERSION_BAD) {
3289                         bufp->dataVersion = scp->dataVersion;
3290                     }
3291                 }
3292                 else if ((RequestExtentsCB->Flags & AFS_EXTENT_FLAG_CLEAN) &&
3293                          ByteOffset.QuadPart <= bufp->offset.QuadPart &&
3294                          EndOffset.QuadPart >= bufp->offset.QuadPart + cm_data.blockSize)
3295                 {
3296                     memset(bufp->datap, 0, cm_data.blockSize);
3297                     bufp->dataVersion = scp->dataVersion;
3298                     buf_SetDirty(bufp, &req, 0, cm_data.blockSize, userp);
3299                     bHaveBuffer = TRUE;
3300                 }
3301                 lock_ReleaseRead(&scp->rw);
3302             }
3303
3304             /*
3305              * if this buffer is already up to date, skip it.
3306              */
3307             if (bHaveBuffer) {
3308                 if (ByteOffset.QuadPart == BeginOffset.QuadPart) {
3309                     BeginOffset.QuadPart += cm_data.blockSize;
3310                 } else {
3311                     QueueLength = (afs_uint32)(ByteOffset.QuadPart - BeginOffset.QuadPart);
3312                     QueueOffset = BeginOffset;
3313                     BeginOffset = ByteOffset;
3314                 }
3315
3316                 if (!(bufp->qFlags & CM_BUF_QREDIR)) {
3317 #ifdef VALIDATE_CHECK_SUM
3318 #ifdef ODS_DEBUG
3319                     char md5dbg[33];
3320                     char dbgstr[1024];
3321 #endif
3322 #endif
3323                     lock_ObtainWrite(&buf_globalLock);
3324                     if (!(bufp->qFlags & CM_BUF_QREDIR)) {
3325