src/WINNT/afsrdr/user/RDRFunction.c

   1 /*
   2  * Copyright (c) 2008 Secure Endpoints, Inc.
   3  * Copyright (c) 2009-2011 Your File System, Inc.
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions are met:
   8  *
   9  * - Redistributions of source code must retain the above copyright notice,
  10  *   this list of conditions and the following disclaimer.
  11  * - Redistributions in binary form must reproduce the above copyright notice,
  12  *   this list of conditions and the following disclaimer in the documentation
  13  *   and/or other materials provided with the distribution.
  14  * - Neither the name of Secure Endpoints Inc. nor the names of its contributors
  15  *   may be used to endorse or promote products derived from this software without
  16  *   specific prior written permission from Secure Endpoints, Inc. and
  17  *   Your File System, Inc.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  20  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
  22  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
  23  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  24  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  25  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  26  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  27  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  28  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  29  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 #include <afsconfig.h>
  33 #include <afs/param.h>
  34
  35 #ifndef _WIN32_WINNT
  36 #define _WIN32_WINNT 0x0500
  37 #endif
  38 #define _CRT_SECURE_NO_DEPRECATE
  39 #define _CRT_NON_CONFORMING_SWPRINTFS
  40 #define INITGUID        /* define AFS_AUTH_GUID_NO_PAG */
  41
  42 #include <ntstatus.h>
  43 #define WIN32_NO_STATUS
  44 #include <windows.h>
  45
  46 #include <roken.h>
  47
  48 #include <afs/stds.h>
  49
  50 #include <ntsecapi.h>
  51 #include <sddl.h>
  52 #pragma warning(push)
  53 #pragma warning(disable: 4005)
  54
  55 #include <devioctl.h>
  56
  57 #include "..\\Common\\AFSUserDefines.h"
  58 #include "..\\Common\\AFSUserStructs.h"
  59
  60 #pragma warning(pop)
  61
  62 #include <tchar.h>
  63 #include <wchar.h>
  64 #include <winbase.h>
  65 #include <winreg.h>
  66
  67 #include <stdio.h>
  68 #include <stdlib.h>
  69 #include <stdarg.h>
  70 #include <strsafe.h>
  71
  72 #include "afsd.h"
  73 #include "smb.h"
  74 #include "cm_btree.h"
  75 #include "msrpc.h"
  76 #include <RDRPrototypes.h>
  77 #include <RDRIoctl.h>
  78 #include <RDRPipe.h>
  79
  80 static CHAR * RDR_extentBaseAddress = NULL;
  81
  82 void
  83 RDR_InitReq(cm_req_t *reqp)
  84 {
  85     cm_InitReq(reqp);
  86     reqp->flags |= CM_REQ_SOURCE_REDIR;
  87 }
  88
  89 void
  90 RDR_fid2FID( cm_fid_t *fid, AFSFileID *FileId)
  91 {
  92     FileId->Cell = fid->cell;
  93     FileId->Volume = fid->volume;
  94     FileId->Vnode = fid->vnode;
  95     FileId->Unique = fid->unique;
  96     FileId->Hash = fid->hash;
  97 }
  98
  99 void
 100 RDR_FID2fid( AFSFileID *FileId, cm_fid_t *fid)
 101 {
 102     fid->cell = FileId->Cell;
 103     fid->volume = FileId->Volume;
 104     fid->vnode = FileId->Vnode;
 105     fid->unique = FileId->Unique;
 106     fid->hash = FileId->Hash;
 107 }
 108
 109 DWORD
 110 RDR_SetInitParams( OUT AFSRedirectorInitInfo **ppRedirInitInfo, OUT DWORD * pRedirInitInfoLen )
 111 {
 112     extern char cm_CachePath[];
 113     extern cm_config_data_t cm_data;
 114     extern int smb_hideDotFiles;
 115     size_t cm_CachePathLen = strlen(cm_CachePath);
 116     size_t err;
 117     DWORD TempPathLen = ExpandEnvironmentStringsW(L"%TEMP%", NULL, 0);
 118     MEMORYSTATUSEX memStatus;
 119     DWORD maxMemoryCacheSize;
 120
 121     memStatus.dwLength = sizeof(memStatus);
 122     if (GlobalMemoryStatusEx(&memStatus)) {
 123         /*
 124          * Use the memory extent interface in the afs redirector
 125          * whenever the cache size is less than equal to 10% of
 126          * physical memory.  Do not use too much because this memory
 127          * will be locked by the redirector so it can't be swapped
 128          * out.
 129          */
 130         maxMemoryCacheSize = (DWORD)(memStatus.ullTotalPhys / 1024 / 10);
 131     } else {
 132         /*
 133          * If we can't determine the amount of physical memory
 134          * in the system, be conservative and limit the use of
 135          * memory extent interface to 64MB data caches.
 136          */
 137         maxMemoryCacheSize = 65536;
 138     }
 139
 140     *pRedirInitInfoLen = (DWORD) (sizeof(AFSRedirectorInitInfo) + (cm_CachePathLen + TempPathLen) * sizeof(WCHAR));
 141     *ppRedirInitInfo = (AFSRedirectorInitInfo *)malloc(*pRedirInitInfoLen);
 142     (*ppRedirInitInfo)->Flags = smb_hideDotFiles ? AFS_REDIR_INIT_FLAG_HIDE_DOT_FILES : 0;
 143     (*ppRedirInitInfo)->MaximumChunkLength = cm_data.chunkSize;
 144     (*ppRedirInitInfo)->GlobalFileId.Cell   = cm_data.rootFid.cell;
 145     (*ppRedirInitInfo)->GlobalFileId.Volume = cm_data.rootFid.volume;
 146     (*ppRedirInitInfo)->GlobalFileId.Vnode  = cm_data.rootFid.vnode;
 147     (*ppRedirInitInfo)->GlobalFileId.Unique = cm_data.rootFid.unique;
 148     (*ppRedirInitInfo)->GlobalFileId.Hash   = cm_data.rootFid.hash;
 149     (*ppRedirInitInfo)->ExtentCount.QuadPart = cm_data.buf_nbuffers;
 150     (*ppRedirInitInfo)->CacheBlockSize = cm_data.blockSize;
 151     (*ppRedirInitInfo)->MaxPathLinkCount = 512; /* this needs to become a registry value */
 152     (*ppRedirInitInfo)->NameArrayLength = 32;   /* this needs to become a registry value */
 153     if (cm_virtualCache || cm_data.bufferSize <= maxMemoryCacheSize) {
 154         osi_Log0(afsd_logp, "RDR_SetInitParams Initializing Memory Extent Interface");
 155         (*ppRedirInitInfo)->MemoryCacheOffset.QuadPart = (LONGLONG)cm_data.bufDataBaseAddress;
 156         (*ppRedirInitInfo)->MemoryCacheLength.QuadPart = cm_data.bufEndOfData - cm_data.bufDataBaseAddress;
 157         (*ppRedirInitInfo)->CacheFileNameLength = 0;
 158         RDR_extentBaseAddress = cm_data.bufDataBaseAddress;
 159     } else {
 160         (*ppRedirInitInfo)->MemoryCacheOffset.QuadPart = 0;
 161         (*ppRedirInitInfo)->MemoryCacheLength.QuadPart = 0;
 162         (*ppRedirInitInfo)->CacheFileNameLength = (ULONG) (cm_CachePathLen * sizeof(WCHAR));
 163         err = mbstowcs((*ppRedirInitInfo)->CacheFileName, cm_CachePath, (cm_CachePathLen + 1) *sizeof(WCHAR));
 164         if (err == -1) {
 165             free(*ppRedirInitInfo);
 166             osi_Log0(afsd_logp, "RDR_SetInitParams Invalid Object Name");
 167             return STATUS_OBJECT_NAME_INVALID;
 168         }
 169         RDR_extentBaseAddress = cm_data.baseAddress;
 170     }
 171     (*ppRedirInitInfo)->DumpFileLocationOffset = FIELD_OFFSET(AFSRedirectorInitInfo, CacheFileName) + (*ppRedirInitInfo)->CacheFileNameLength;
 172     (*ppRedirInitInfo)->DumpFileLocationLength = (TempPathLen - 1) * sizeof(WCHAR);
 173     ExpandEnvironmentStringsW(L"%TEMP%",
 174                               (LPWSTR)(((PBYTE)(*ppRedirInitInfo)) + (*ppRedirInitInfo)->DumpFileLocationOffset),
 175                               TempPathLen);
 176
 177     osi_Log0(afsd_logp,"RDR_SetInitParams Success");
 178     return 0;
 179 }
 180
 181 cm_user_t *
 182 RDR_GetLocalSystemUser( void)
 183 {
 184     smb_username_t *unp;
 185     cm_user_t *userp = NULL;
 186     wchar_t cname[MAX_COMPUTERNAME_LENGTH+1];
 187     int cnamelen = MAX_COMPUTERNAME_LENGTH+1;
 188
 189     GetComputerNameW(cname, &cnamelen);
 190     _wcsupr(cname);
 191
 192     unp = smb_FindUserByName(NTSID_LOCAL_SYSTEM, cname, SMB_FLAG_CREATE);
 193     lock_ObtainMutex(&unp->mx);
 194     if (!unp->userp)
 195         unp->userp = cm_NewUser();
 196     unp->flags |= SMB_USERNAMEFLAG_SID;
 197     lock_ReleaseMutex(&unp->mx);
 198     userp = unp->userp;
 199     cm_HoldUser(userp);
 200     smb_ReleaseUsername(unp);
 201
 202     if (!userp) {
 203         userp = cm_rootUserp;
 204         cm_HoldUser(userp);
 205     }
 206
 207     return userp;
 208 }
 209
 210 cm_user_t *
 211 RDR_UserFromCommRequest( IN AFSCommRequest *RequestBuffer)
 212 {
 213
 214     return RDR_UserFromAuthGroup( &RequestBuffer->AuthGroup);
 215 }
 216
 217 cm_user_t *
 218 RDR_UserFromAuthGroup( IN GUID *pGuid)
 219 {
 220     smb_username_t *unp;
 221     cm_user_t * userp = NULL;
 222     RPC_WSTR UuidString = NULL;
 223     wchar_t cname[MAX_COMPUTERNAME_LENGTH+1];
 224     int cnamelen = MAX_COMPUTERNAME_LENGTH+1;
 225
 226     if (UuidToStringW((UUID *)pGuid, &UuidString) != RPC_S_OK)
 227         goto done;
 228
 229     GetComputerNameW(cname, &cnamelen);
 230     _wcsupr(cname);
 231
 232     unp = smb_FindUserByName(UuidString, cname, SMB_FLAG_CREATE);
 233     lock_ObtainMutex(&unp->mx);
 234     if (!unp->userp) {
 235         unp->userp = cm_NewUser();
 236         memcpy(&unp->userp->authgroup, pGuid, sizeof(GUID));
 237     }
 238     unp->flags |= SMB_USERNAMEFLAG_SID;
 239     lock_ReleaseMutex(&unp->mx);
 240     userp = unp->userp;
 241     cm_HoldUser(userp);
 242     smb_ReleaseUsername(unp);
 243
 244   done:
 245     if (!userp) {
 246         userp = cm_rootUserp;
 247         cm_HoldUser(userp);
 248     }
 249
 250     osi_Log2(afsd_logp, "RDR_UserFromCommRequest Guid %S userp = 0x%p",
 251              osi_LogSaveStringW(afsd_logp, UuidString),
 252              userp);
 253
 254     if (UuidString)
 255         RpcStringFreeW(&UuidString);
 256
 257     return userp;
 258 }
 259
 260 void
 261 RDR_ReleaseUser( IN cm_user_t *userp )
 262 {
 263     osi_Log1(afsd_logp, "RDR_ReleaseUser userp = 0x%p", userp);
 264     cm_ReleaseUser(userp);
 265 }
 266
 267
 268 /*
 269  * RDR_FlagScpInUse flags the scp with CM_SCACHEFLAG_RDR_IN_USE
 270  */
 271 static void
 272 RDR_FlagScpInUse( IN cm_scache_t *scp, IN BOOL bLocked )
 273 {
 274     if (!bLocked)
 275         lock_ObtainWrite(&scp->rw);
 276
 277     lock_AssertWrite(&scp->rw);
 278     scp->flags |= CM_SCACHEFLAG_RDR_IN_USE;
 279
 280     if (!bLocked)
 281         lock_ReleaseWrite(&scp->rw);
 282 }
 283
 284 /*
 285  * Obtain the status information for the specified object using
 286  * an inline bulk status rpc.  cm_BPlusDirEnumBulkStatOne() will
 287  * obtain current status for the directory object, the object
 288  * which is the focus of the inquiry and as many other objects
 289  * in the directory for which there are not callbacks registered
 290  * since we are likely to be asked for other objects in the directory.
 291  */
 292 static afs_uint32
 293 RDR_BulkStatLookup( cm_scache_t *dscp,
 294                     cm_scache_t *scp,
 295                     cm_user_t   *userp,
 296                     cm_req_t    *reqp)
 297 {
 298     cm_direnum_t *      enump = NULL;
 299     afs_uint32  code = 0;
 300     cm_dirOp_t    dirop;
 301
 302     code = cm_BeginDirOp(dscp, userp, reqp, CM_DIRLOCK_READ, CM_DIROP_FLAG_NONE, &dirop);
 303     if (code == 0) {
 304         code = cm_BPlusDirEnumerate(dscp, userp, reqp, TRUE, NULL, TRUE, &enump);
 305         if (code) {
 306             osi_Log1(afsd_logp, "RDR_BulkStatLookup cm_BPlusDirEnumerate failure code=0x%x",
 307                       code);
 308         }
 309         cm_EndDirOp(&dirop);
 310     } else {
 311         osi_Log1(afsd_logp, "RDR_BulkStatLookup cm_BeginDirOp failure code=0x%x",
 312                   code);
 313     }
 314
 315     if (enump)
 316     {
 317         code = cm_BPlusDirEnumBulkStatOne(enump, scp);
 318         if (code) {
 319             osi_Log1(afsd_logp, "RDR_BulkStatLookup cm_BPlusDirEnumBulkStatOne failure code=0x%x",
 320                       code);
 321         }
 322         cm_BPlusDirFreeEnumeration(enump);
 323     }
 324
 325     return code;
 326 }
 327
 328
 329 #define RDR_POP_FOLLOW_MOUNTPOINTS 0x01
 330 #define RDR_POP_EVALUATE_SYMLINKS  0x02
 331 #define RDR_POP_WOW64              0x04
 332 #define RDR_POP_NO_GETSTATUS       0x08
 333
 334 static afs_uint32
 335 RDR_PopulateCurrentEntry( IN  AFSDirEnumEntry * pCurrentEntry,
 336                           IN  DWORD             dwMaxEntryLength,
 337                           IN  cm_scache_t     * dscp,
 338                           IN  cm_scache_t     * scp,
 339                           IN  cm_user_t       * userp,
 340                           IN  cm_req_t        * reqp,
 341                           IN  wchar_t         * name,
 342                           IN  wchar_t         * shortName,
 343                           IN  DWORD             dwFlags,
 344                           IN  afs_uint32        cmError,
 345                           OUT AFSDirEnumEntry **ppNextEntry,
 346                           OUT DWORD           * pdwRemainingLength)
 347 {
 348     FILETIME ft;
 349     WCHAR *  wname, *wtarget;
 350     size_t   len;
 351     DWORD      dwEntryLength;
 352     afs_uint32 code = 0, code2 = 0;
 353     BOOL          bMustFake = FALSE;
 354
 355     osi_Log5(afsd_logp, "RDR_PopulateCurrentEntry dscp=0x%p scp=0x%p name=%S short=%S flags=0x%x",
 356              dscp, scp, osi_LogSaveStringW(afsd_logp, name),
 357              osi_LogSaveStringW(afsd_logp, shortName), dwFlags);
 358     osi_Log1(afsd_logp, "... maxLength=%d", dwMaxEntryLength);
 359
 360     if (dwMaxEntryLength < sizeof(AFSDirEnumEntry) + (MAX_PATH + MOUNTPOINTLEN) * sizeof(wchar_t)) {
 361         if (ppNextEntry)
 362             *ppNextEntry = pCurrentEntry;
 363         if (pdwRemainingLength)
 364             *pdwRemainingLength = dwMaxEntryLength;
 365         osi_Log2(afsd_logp, "RDR_PopulateCurrentEntry Not Enough Room for Entry %d < %d",
 366                  dwMaxEntryLength, sizeof(AFSDirEnumEntry) + (MAX_PATH + MOUNTPOINTLEN) * sizeof(wchar_t));
 367         return CM_ERROR_TOOBIG;
 368     }
 369
 370     if (!name)
 371         name = L"";
 372     if (!shortName)
 373         shortName = L"";
 374
 375     dwEntryLength = sizeof(AFSDirEnumEntry);
 376
 377     lock_ObtainWrite(&scp->rw);
 378     if (dwFlags & RDR_POP_NO_GETSTATUS) {
 379         if (!cm_HaveCallback(scp))
 380             bMustFake = TRUE;
 381     } else {
 382 #ifdef AFS_FREELANCE_CLIENT
 383         if (scp->fid.cell == AFS_FAKE_ROOT_CELL_ID && scp->fid.volume == AFS_FAKE_ROOT_VOL_ID) {
 384             /*
 385              * If the FID is from the Freelance Local Root always perform
 386              * a single item status check.
 387              */
 388             code = cm_SyncOp( scp, NULL, userp, reqp, 0,
 389                               CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
 390             if (code) {
 391                 lock_ReleaseWrite(&scp->rw);
 392                 osi_Log2(afsd_logp, "RDR_PopulateCurrentEntry cm_SyncOp failed for scp=0x%p code=0x%x",
 393                          scp, code);
 394                 return code;
 395             }
 396         } else
 397 #endif
 398         {
 399             /*
 400              * For non-Freelance objects, check to see if we have current
 401              * status information.  If not, perform a bulk status lookup of multiple
 402              * entries in order to reduce the number of RPCs issued to the file server.
 403              */
 404             if ((scp->flags & CM_SCACHEFLAG_EACCESS))
 405                 bMustFake = TRUE;
 406             else if (!cm_HaveCallback(scp)) {
 407                 lock_ReleaseWrite(&scp->rw);
 408                 code = RDR_BulkStatLookup(dscp, scp, userp, reqp);
 409                 if (code) {
 410                     osi_Log2(afsd_logp, "RDR_PopulateCurrentEntry RDR_BulkStatLookup failed for scp=0x%p code=0x%x",
 411                              scp, code);
 412                     return code;
 413                 }
 414                 lock_ObtainWrite(&scp->rw);
 415                 /*
 416                  * RDR_BulkStatLookup can succeed but it may be the case that there
 417                  * still is not valid status info.  If we get this far, generate fake
 418                  * status info.
 419                  */
 420                 if (!cm_HaveCallback(scp))
 421                     bMustFake = TRUE;
 422             }
 423         }
 424     }
 425
 426     /* Populate the error code */
 427     smb_MapNTError(cmError, &pCurrentEntry->NTStatus, TRUE);
 428
 429     /* Populate the real or fake data */
 430     pCurrentEntry->FileId.Cell = scp->fid.cell;
 431     pCurrentEntry->FileId.Volume = scp->fid.volume;
 432     pCurrentEntry->FileId.Vnode = scp->fid.vnode;
 433     pCurrentEntry->FileId.Unique = scp->fid.unique;
 434     pCurrentEntry->FileId.Hash = scp->fid.hash;
 435
 436     pCurrentEntry->FileType = scp->fileType;
 437
 438     pCurrentEntry->DataVersion.QuadPart = scp->dataVersion;
 439
 440     if (scp->fid.cell==AFS_FAKE_ROOT_CELL_ID &&
 441         scp->fid.volume==AFS_FAKE_ROOT_VOL_ID) {
 442         cm_LargeSearchTimeFromUnixTime(&ft, MAX_AFS_UINT32);
 443     } else {
 444         cm_LargeSearchTimeFromUnixTime(&ft, scp->cbExpires);
 445     }
 446     pCurrentEntry->Expiration.LowPart = ft.dwLowDateTime;
 447     pCurrentEntry->Expiration.HighPart = ft.dwHighDateTime;
 448
 449     if (bMustFake) {
 450         /* 1969-12-31 23:59:59 +00 */
 451         ft.dwHighDateTime = 0x19DB200;
 452         ft.dwLowDateTime = 0x5BB78980;
 453     } else
 454         cm_LargeSearchTimeFromUnixTime(&ft, scp->clientModTime);
 455     pCurrentEntry->CreationTime.LowPart = ft.dwLowDateTime;
 456     pCurrentEntry->CreationTime.HighPart = ft.dwHighDateTime;
 457     pCurrentEntry->LastAccessTime = pCurrentEntry->CreationTime;
 458     pCurrentEntry->LastWriteTime = pCurrentEntry->CreationTime;
 459     pCurrentEntry->ChangeTime = pCurrentEntry->CreationTime;
 460
 461     pCurrentEntry->EndOfFile = scp->length;
 462     pCurrentEntry->AllocationSize = scp->length;
 463
 464     if (bMustFake) {
 465         switch (scp->fileType) {
 466         case CM_SCACHETYPE_DIRECTORY:
 467             pCurrentEntry->FileAttributes = SMB_ATTR_DIRECTORY;
 468             break;
 469         case CM_SCACHETYPE_MOUNTPOINT:
 470         case CM_SCACHETYPE_INVALID:
 471             pCurrentEntry->FileAttributes = SMB_ATTR_DIRECTORY | SMB_ATTR_REPARSE_POINT;
 472             break;
 473         case CM_SCACHETYPE_SYMLINK:
 474             if (cm_TargetPerceivedAsDirectory(scp->mountPointStringp))
 475                 pCurrentEntry->FileAttributes = SMB_ATTR_DIRECTORY | SMB_ATTR_REPARSE_POINT;
 476             else
 477                 pCurrentEntry->FileAttributes = SMB_ATTR_REPARSE_POINT;
 478             break;
 479         default:
 480             /* if we get here we either have a normal file
 481             * or we have a file for which we have never
 482             * received status info.  In this case, we can
 483             * check the even/odd value of the entry's vnode.
 484             * odd means it is to be treated as a directory
 485             * and even means it is to be treated as a file.
 486             */
 487             if (scp->fid.vnode & 0x1)
 488                 pCurrentEntry->FileAttributes = SMB_ATTR_DIRECTORY;
 489             else
 490                 pCurrentEntry->FileAttributes = SMB_ATTR_NORMAL;
 491         }
 492     } else
 493         pCurrentEntry->FileAttributes = smb_ExtAttributes(scp);
 494     pCurrentEntry->EaSize = 0;
 495     pCurrentEntry->Links = scp->linkCount;
 496
 497     len = wcslen(shortName);
 498     wcsncpy(pCurrentEntry->ShortName, shortName, len);
 499     pCurrentEntry->ShortNameLength = (CCHAR)(len * sizeof(WCHAR));
 500
 501     pCurrentEntry->FileNameOffset = sizeof(AFSDirEnumEntry);
 502     len = wcslen(name);
 503     wname = (WCHAR *)((PBYTE)pCurrentEntry + pCurrentEntry->FileNameOffset);
 504     wcsncpy(wname, name, len);
 505     pCurrentEntry->FileNameLength = (ULONG)(sizeof(WCHAR) * len);
 506
 507     osi_Log3(afsd_logp, "RDR_PopulateCurrentEntry scp=0x%p fileType=%d dv=%u",
 508               scp, scp->fileType, (afs_uint32)scp->dataVersion);
 509
 510     if (!(dwFlags & RDR_POP_NO_GETSTATUS))
 511         cm_SyncOpDone( scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
 512
 513     if ((dwFlags & RDR_POP_NO_GETSTATUS) || !cm_HaveCallback(scp)) {
 514         pCurrentEntry->TargetNameOffset = 0;
 515         pCurrentEntry->TargetNameLength = 0;
 516     }
 517     else
 518     switch (scp->fileType) {
 519     case CM_SCACHETYPE_MOUNTPOINT:
 520         if (dwFlags & RDR_POP_FOLLOW_MOUNTPOINTS) {
 521             if ((code2 = cm_ReadMountPoint(scp, userp, reqp)) == 0) {
 522                 cm_scache_t *targetScp = NULL;
 523
 524                 pCurrentEntry->TargetNameOffset = pCurrentEntry->FileNameOffset + pCurrentEntry->FileNameLength;
 525                 len = strlen(scp->mountPointStringp);
 526                 wtarget = (WCHAR *)((PBYTE)pCurrentEntry + pCurrentEntry->TargetNameOffset);
 527
 528 #ifdef UNICODE
 529                 cch = MultiByteToWideChar( CP_UTF8, 0, scp->mountPointStringp,
 530                                            len * sizeof(char),
 531                                            wtarget,
 532                                            len * sizeof(WCHAR));
 533 #else
 534                 mbstowcs(wtarget, scp->mountPointStringp, len);
 535 #endif
 536                 pCurrentEntry->TargetNameLength = (ULONG)(sizeof(WCHAR) * len);
 537
 538                 code2 = cm_FollowMountPoint(scp, dscp, userp, reqp, &targetScp);
 539
 540                 if (code2 == 0) {
 541                     pCurrentEntry->TargetFileId.Cell = targetScp->fid.cell;
 542                     pCurrentEntry->TargetFileId.Volume = targetScp->fid.volume;
 543                     pCurrentEntry->TargetFileId.Vnode = targetScp->fid.vnode;
 544                     pCurrentEntry->TargetFileId.Unique = targetScp->fid.unique;
 545                     pCurrentEntry->TargetFileId.Hash = targetScp->fid.hash;
 546
 547                     osi_Log4(afsd_logp, "RDR_PopulateCurrentEntry target FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
 548                               pCurrentEntry->TargetFileId.Cell, pCurrentEntry->TargetFileId.Volume,
 549                               pCurrentEntry->TargetFileId.Vnode, pCurrentEntry->TargetFileId.Unique);
 550
 551                     cm_ReleaseSCache(targetScp);
 552                 } else {
 553                     osi_Log2(afsd_logp, "RDR_PopulateCurrentEntry cm_FollowMountPoint failed scp=0x%p code=0x%x",
 554                               scp, code2);
 555                 }
 556             } else {
 557                 osi_Log2(afsd_logp, "RDR_PopulateCurrentEntry cm_ReadMountPoint failed scp=0x%p code=0x%x",
 558                           scp, code2);
 559             }
 560         }
 561         break;
 562     case CM_SCACHETYPE_SYMLINK:
 563     case CM_SCACHETYPE_DFSLINK:
 564         {
 565             pCurrentEntry->TargetNameOffset = pCurrentEntry->FileNameOffset + pCurrentEntry->FileNameLength;
 566             wtarget = (WCHAR *)((PBYTE)pCurrentEntry + pCurrentEntry->TargetNameOffset);
 567
 568             if (dwFlags & RDR_POP_EVALUATE_SYMLINKS) {
 569                 char * mp;
 570
 571                 code2 = cm_HandleLink(scp, userp, reqp);
 572                 if (code2 == 0) {
 573                     mp = scp->mountPointStringp;
 574                     len = strlen(mp);
 575                     if ( len != 0 ) {
 576                         /* Strip off the msdfs: prefix from the target name for the file system */
 577                         if (scp->fileType == CM_SCACHETYPE_DFSLINK) {
 578                             osi_Log0(afsd_logp, "RDR_PopulateCurrentEntry DFSLink Detected");
 579                             pCurrentEntry->FileType = scp->fileType;
 580
 581                             if (!strncmp("msdfs:", mp, 6)) {
 582                                 mp += 6;
 583                                 len -= 6;
 584                             }
 585                         }
 586                         /* only send one slash to the redirector */
 587                         if (mp[0] == '\\' && mp[1] == '\\') {
 588                             mp++;
 589                             len--;
 590                         }
 591 #ifdef UNICODE
 592                         cch = MultiByteToWideChar( CP_UTF8, 0, mp,
 593                                                    len * sizeof(char),
 594                                                    wtarget,
 595                                                    len * sizeof(WCHAR));
 596 #else
 597                         mbstowcs(wtarget, mp, len);
 598 #endif
 599                     }
 600                     pCurrentEntry->TargetNameLength = (ULONG)(sizeof(WCHAR) * len);
 601                 } else {
 602                     osi_Log2(afsd_logp, "RDR_PopulateCurrentEntry cm_HandleLink failed scp=0x%p code=0x%x",
 603                              scp, code2);
 604                 }
 605             }
 606
 607         }
 608         break;
 609
 610     default:
 611         pCurrentEntry->TargetNameOffset = 0;
 612         pCurrentEntry->TargetNameLength = 0;
 613     }
 614     lock_ReleaseWrite(&scp->rw);
 615
 616     dwEntryLength += pCurrentEntry->FileNameLength + pCurrentEntry->TargetNameLength;
 617     dwEntryLength += (dwEntryLength % 8) ? 8 - (dwEntryLength % 8) : 0;   /* quad align */
 618     if (ppNextEntry)
 619         *ppNextEntry = (AFSDirEnumEntry *)((PBYTE)pCurrentEntry + dwEntryLength);
 620     if (pdwRemainingLength)
 621         *pdwRemainingLength = dwMaxEntryLength - dwEntryLength;
 622
 623     osi_Log3(afsd_logp, "RDR_PopulateCurrentEntry Success FileNameLength=%d TargetNameLength=%d RemainingLength=%d",
 624               pCurrentEntry->FileNameLength, pCurrentEntry->TargetNameLength, *pdwRemainingLength);
 625
 626     return code;
 627 }
 628
 629 static afs_uint32
 630 RDR_PopulateCurrentEntryNoScp( IN  AFSDirEnumEntry * pCurrentEntry,
 631                                IN  DWORD             dwMaxEntryLength,
 632                                IN  cm_scache_t     * dscp,
 633                                IN  cm_fid_t        * fidp,
 634                                IN  cm_user_t       * userp,
 635                                IN  cm_req_t        * reqp,
 636                                IN  wchar_t         * name,
 637                                IN  wchar_t         * shortName,
 638                                IN  DWORD             dwFlags,
 639                                IN  afs_uint32        cmError,
 640                                OUT AFSDirEnumEntry **ppNextEntry,
 641                                OUT DWORD           * pdwRemainingLength)
 642 {
 643     FILETIME ft;
 644     WCHAR *  wname;
 645     size_t   len;
 646     DWORD      dwEntryLength;
 647     afs_uint32 code = 0, code2 = 0;
 648
 649     osi_Log4(afsd_logp, "RDR_PopulateCurrentEntryNoEntry dscp=0x%p name=%S short=%S flags=0x%x",
 650              dscp, osi_LogSaveStringW(afsd_logp, name),
 651              osi_LogSaveStringW(afsd_logp, shortName), dwFlags);
 652     osi_Log1(afsd_logp, "... maxLength=%d", dwMaxEntryLength);
 653
 654     if (dwMaxEntryLength < sizeof(AFSDirEnumEntry) + (MAX_PATH + MOUNTPOINTLEN) * sizeof(wchar_t)) {
 655         if (ppNextEntry)
 656             *ppNextEntry = pCurrentEntry;
 657         if (pdwRemainingLength)
 658             *pdwRemainingLength = dwMaxEntryLength;
 659         osi_Log2(afsd_logp, "RDR_PopulateCurrentEntryNoEntry Not Enough Room for Entry %d < %d",
 660                  dwMaxEntryLength, sizeof(AFSDirEnumEntry) + (MAX_PATH + MOUNTPOINTLEN) * sizeof(wchar_t));
 661         return CM_ERROR_TOOBIG;
 662     }
 663
 664     if (!name)
 665         name = L"";
 666     if (!shortName)
 667         shortName = L"";
 668
 669     dwEntryLength = sizeof(AFSDirEnumEntry);
 670
 671     /* Populate the error code */
 672     smb_MapNTError(cmError, &pCurrentEntry->NTStatus, TRUE);
 673
 674     /* Populate the fake data */
 675     pCurrentEntry->FileId.Cell = fidp->cell;
 676     pCurrentEntry->FileId.Volume = fidp->volume;
 677     pCurrentEntry->FileId.Vnode = fidp->vnode;
 678     pCurrentEntry->FileId.Unique = fidp->unique;
 679     pCurrentEntry->FileId.Hash = fidp->hash;
 680
 681     pCurrentEntry->FileType = CM_SCACHETYPE_UNKNOWN;
 682
 683     pCurrentEntry->DataVersion.QuadPart = CM_SCACHE_VERSION_BAD;
 684
 685     cm_LargeSearchTimeFromUnixTime(&ft, 0);
 686     pCurrentEntry->Expiration.LowPart = ft.dwLowDateTime;
 687     pCurrentEntry->Expiration.HighPart = ft.dwHighDateTime;
 688
 689     cm_LargeSearchTimeFromUnixTime(&ft, 0);
 690     pCurrentEntry->CreationTime.LowPart = ft.dwLowDateTime;
 691     pCurrentEntry->CreationTime.HighPart = ft.dwHighDateTime;
 692     pCurrentEntry->LastAccessTime = pCurrentEntry->CreationTime;
 693     pCurrentEntry->LastWriteTime = pCurrentEntry->CreationTime;
 694     pCurrentEntry->ChangeTime = pCurrentEntry->CreationTime;
 695
 696     pCurrentEntry->EndOfFile.QuadPart = 0;
 697     pCurrentEntry->AllocationSize.QuadPart = 0;
 698     pCurrentEntry->FileAttributes = 0;
 699     pCurrentEntry->EaSize = 0;
 700     pCurrentEntry->Links = 0;
 701
 702     len = wcslen(shortName);
 703     wcsncpy(pCurrentEntry->ShortName, shortName, len);
 704     pCurrentEntry->ShortNameLength = (CCHAR)(len * sizeof(WCHAR));
 705
 706     pCurrentEntry->FileNameOffset = sizeof(AFSDirEnumEntry);
 707     len = wcslen(name);
 708     wname = (WCHAR *)((PBYTE)pCurrentEntry + pCurrentEntry->FileNameOffset);
 709     wcsncpy(wname, name, len);
 710     pCurrentEntry->FileNameLength = (ULONG)(sizeof(WCHAR) * len);
 711
 712     pCurrentEntry->TargetNameOffset = 0;
 713     pCurrentEntry->TargetNameLength = 0;
 714
 715     dwEntryLength += pCurrentEntry->FileNameLength + pCurrentEntry->TargetNameLength;
 716     dwEntryLength += (dwEntryLength % 8) ? 8 - (dwEntryLength % 8) : 0;   /* quad align */
 717     if (ppNextEntry)
 718         *ppNextEntry = (AFSDirEnumEntry *)((PBYTE)pCurrentEntry + dwEntryLength);
 719     if (pdwRemainingLength)
 720         *pdwRemainingLength = dwMaxEntryLength - dwEntryLength;
 721
 722     osi_Log3(afsd_logp, "RDR_PopulateCurrentEntryNoScp Success FileNameLength=%d TargetNameLength=%d RemainingLength=%d",
 723               pCurrentEntry->FileNameLength, pCurrentEntry->TargetNameLength, *pdwRemainingLength);
 724
 725     return code;
 726 }
 727
 728 void
 729 RDR_EnumerateDirectory( IN cm_user_t *userp,
 730                         IN AFSFileID DirID,
 731                         IN AFSDirQueryCB *QueryCB,
 732                         IN BOOL bWow64,
 733                         IN BOOL bSkipStatus,
 734                         IN DWORD ResultBufferLength,
 735                         IN OUT AFSCommResult **ResultCB)
 736 {
 737     DWORD status;
 738     cm_direnum_t *      enump = NULL;
 739     AFSDirEnumResp  * pDirEnumResp;
 740     AFSDirEnumEntry * pCurrentEntry;
 741     size_t size = ResultBufferLength ? sizeof(AFSCommResult) + ResultBufferLength - 1 : sizeof(AFSCommResult);
 742     DWORD             dwMaxEntryLength;
 743     afs_uint32  code = 0;
 744     cm_fid_t      fid;
 745     cm_scache_t * dscp = NULL;
 746     cm_req_t      req;
 747
 748     RDR_InitReq(&req);
 749     if ( bWow64 )
 750         req.flags |= CM_REQ_WOW64;
 751
 752     osi_Log4(afsd_logp, "RDR_EnumerateDirectory FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
 753              DirID.Cell, DirID.Volume, DirID.Vnode, DirID.Unique);
 754
 755     *ResultCB = (AFSCommResult *)malloc(size);
 756     if (!(*ResultCB)) {
 757         osi_Log0(afsd_logp, "RDR_EnumerateDirectory Out of Memory");
 758         return;
 759     }
 760
 761     memset(*ResultCB, 0, size);
 762
 763     if (QueryCB->EnumHandle == (ULONG_PTR)-1) {
 764         osi_Log0(afsd_logp, "RDR_EnumerateDirectory No More Entries");
 765         (*ResultCB)->ResultStatus = STATUS_NO_MORE_ENTRIES;
 766         (*ResultCB)->ResultBufferLength = 0;
 767         return;
 768     }
 769
 770     (*ResultCB)->ResultBufferLength = dwMaxEntryLength = ResultBufferLength;
 771     if (ResultBufferLength) {
 772         pDirEnumResp = (AFSDirEnumResp *)&(*ResultCB)->ResultData;
 773         pCurrentEntry = (AFSDirEnumEntry *)&pDirEnumResp->Entry;
 774         dwMaxEntryLength -= FIELD_OFFSET( AFSDirEnumResp, Entry);      /* AFSDirEnumResp */
 775     }
 776
 777     if (DirID.Cell != 0) {
 778         fid.cell   = DirID.Cell;
 779         fid.volume = DirID.Volume;
 780         fid.vnode  = DirID.Vnode;
 781         fid.unique = DirID.Unique;
 782         fid.hash   = DirID.Hash;
 783
 784         code = cm_GetSCache(&fid, &dscp, userp, &req);
 785         if (code) {
 786             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
 787             (*ResultCB)->ResultStatus = status;
 788             osi_Log2(afsd_logp, "RDR_EnumerateDirectory cm_GetSCache failure code=0x%x status=0x%x",
 789                       code, status);
 790             return;
 791         }
 792     } else {
 793         (*ResultCB)->ResultStatus = STATUS_OBJECT_NAME_INVALID;
 794         osi_Log0(afsd_logp, "RDR_EnumerateDirectory Object Name Invalid - Cell = 0");
 795         return;
 796     }
 797
 798     /* get the directory size */
 799     lock_ObtainWrite(&dscp->rw);
 800     code = cm_SyncOp(dscp, NULL, userp, &req, PRSFS_LOOKUP,
 801                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
 802     if (code) {
 803         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
 804         (*ResultCB)->ResultStatus = status;
 805         lock_ReleaseWrite(&dscp->rw);
 806         cm_ReleaseSCache(dscp);
 807         osi_Log2(afsd_logp, "RDR_EnumerateDirectory cm_SyncOp failure code=0x%x status=0x%x",
 808                   code, status);
 809         return;
 810     }
 811
 812     cm_SyncOpDone(dscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
 813     lock_ReleaseWrite(&dscp->rw);
 814
 815     if (dscp->fileType != CM_SCACHETYPE_DIRECTORY) {
 816         (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
 817         cm_ReleaseSCache(dscp);
 818         osi_Log1(afsd_logp, "RDR_EnumerateDirectory Not a Directory dscp=0x%p",
 819                  dscp);
 820         return;
 821     }
 822
 823     osi_Log1(afsd_logp, "RDR_EnumerateDirectory dv=%u", (afs_uint32)dscp->dataVersion);
 824
 825     /*
 826      * If there is no enumeration handle, then this is a new query
 827      * and we must perform an enumeration for the specified object.
 828      */
 829     if (QueryCB->EnumHandle == (ULONG_PTR)NULL) {
 830         cm_dirOp_t    dirop;
 831
 832         code = cm_BeginDirOp(dscp, userp, &req, CM_DIRLOCK_READ, CM_DIROP_FLAG_NONE, &dirop);
 833         if (code == 0) {
 834             code = cm_BPlusDirEnumerate(dscp, userp, &req,
 835                                         TRUE /* dir locked */, NULL /* no mask */,
 836                                         TRUE /* fetch status? */, &enump);
 837             if (code) {
 838                 osi_Log1(afsd_logp, "RDR_EnumerateDirectory cm_BPlusDirEnumerate failure code=0x%x",
 839                           code);
 840             }
 841             cm_EndDirOp(&dirop);
 842         } else {
 843             osi_Log1(afsd_logp, "RDR_EnumerateDirectory cm_BeginDirOp failure code=0x%x",
 844                       code);
 845         }
 846     } else {
 847         enump = (cm_direnum_t *)QueryCB->EnumHandle;
 848     }
 849
 850     if (enump) {
 851         if (ResultBufferLength == 0) {
 852             code = cm_BPlusDirEnumBulkStat(enump);
 853             if (code) {
 854                 osi_Log1(afsd_logp, "RDR_EnumerateDirectory cm_BPlusDirEnumBulkStat failure code=0x%x",
 855                           code);
 856             }
 857         } else {
 858             cm_direnum_entry_t * entryp = NULL;
 859
 860             pDirEnumResp->SnapshotDataVersion.QuadPart = enump->dataVersion;
 861
 862           getnextentry:
 863             if (dwMaxEntryLength < sizeof(AFSDirEnumEntry) + (MAX_PATH + MOUNTPOINTLEN) * sizeof(wchar_t)) {
 864                 osi_Log0(afsd_logp, "RDR_EnumerateDirectory out of space, returning");
 865                 goto outofspace;
 866             }
 867
 868             code = cm_BPlusDirNextEnumEntry(enump, &entryp);
 869
 870             if ((code == 0 || code == CM_ERROR_STOPNOW) && entryp) {
 871                 cm_scache_t *scp = NULL;
 872                 int stopnow = (code == CM_ERROR_STOPNOW);
 873
 874                 if ( !wcscmp(L".", entryp->name) || !wcscmp(L"..", entryp->name) ) {
 875                     osi_Log0(afsd_logp, "RDR_EnumerateDirectory skipping . or ..");
 876                     if (stopnow)
 877                         goto outofspace;
 878                     goto getnextentry;
 879                 }
 880
 881                 if (bSkipStatus) {
 882                     code = cm_GetSCache(&entryp->fid, &scp, userp, &req);
 883                     if (code) {
 884                         osi_Log5(afsd_logp, "RDR_EnumerateDirectory cm_GetSCache failure cell %u vol %u vnode %u uniq %u code=0x%x",
 885                                  entryp->fid.cell, entryp->fid.volume, entryp->fid.vnode, entryp->fid.unique, code);
 886                     }
 887                 } else {
 888                     code = entryp->errorCode;
 889                     scp = code ? NULL : cm_FindSCache(&entryp->fid);
 890                 }
 891
 892                 if (scp) {
 893                     code = RDR_PopulateCurrentEntry( pCurrentEntry, dwMaxEntryLength,
 894                                                      dscp, scp, userp, &req,
 895                                                      entryp->name,
 896                                                      cm_Is8Dot3(entryp->name) ? NULL : entryp->shortName,
 897                                                      (bWow64 ? RDR_POP_WOW64 : 0) |
 898                                                      (bSkipStatus ? RDR_POP_NO_GETSTATUS : 0),
 899                                                      code,
 900                                                      &pCurrentEntry, &dwMaxEntryLength);
 901                     cm_ReleaseSCache(scp);
 902                 } else {
 903                     code = RDR_PopulateCurrentEntryNoScp( pCurrentEntry, dwMaxEntryLength,
 904                                                           dscp, &entryp->fid, userp, &req,
 905                                                           entryp->name,
 906                                                           cm_Is8Dot3(entryp->name) ? NULL : entryp->shortName,
 907                                                           (bWow64 ? RDR_POP_WOW64 : 0),
 908                                                           code,
 909                                                           &pCurrentEntry, &dwMaxEntryLength);
 910                 }
 911                 if (stopnow)
 912                     goto outofspace;
 913                 goto getnextentry;
 914             }
 915         }
 916     }
 917
 918   outofspace:
 919
 920     if (code || enump->next == enump->count || ResultBufferLength == 0) {
 921         cm_BPlusDirFreeEnumeration(enump);
 922         enump = (cm_direnum_t *)(ULONG_PTR)-1;
 923     }
 924
 925     if (code == 0 || code == CM_ERROR_STOPNOW) {
 926         (*ResultCB)->ResultStatus = STATUS_SUCCESS;
 927         osi_Log0(afsd_logp, "RDR_EnumerateDirectory SUCCESS");
 928     } else {
 929         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
 930         (*ResultCB)->ResultStatus = status;
 931         osi_Log2(afsd_logp, "RDR_EnumerateDirectory Failure code=0x%x status=0x%x",
 932                   code, status);
 933     }
 934
 935     if (ResultBufferLength) {
 936         (*ResultCB)->ResultBufferLength = ResultBufferLength - dwMaxEntryLength;
 937
 938         pDirEnumResp->EnumHandle = (ULONG_PTR) enump;
 939         pDirEnumResp->CurrentDataVersion.QuadPart = dscp->dataVersion;
 940     }
 941
 942     if (dscp)
 943         cm_ReleaseSCache(dscp);
 944
 945     return;
 946 }
 947
 948 void
 949 RDR_EvaluateNodeByName( IN cm_user_t *userp,
 950                         IN AFSFileID ParentID,
 951                         IN WCHAR   *FileNameCounted,
 952                         IN DWORD    FileNameLength,
 953                         IN BOOL     CaseSensitive,
 954                         IN BOOL     bWow64,
 955                         IN BOOL     bHoldFid,
 956                         IN BOOL     bNoFollow,
 957                         IN DWORD    ResultBufferLength,
 958                         IN OUT AFSCommResult **ResultCB)
 959 {
 960     AFSFileEvalResultCB *pEvalResultCB = NULL;
 961     AFSDirEnumEntry * pCurrentEntry;
 962     size_t size = ResultBufferLength ? sizeof(AFSCommResult) + ResultBufferLength - 1 : sizeof(AFSCommResult);
 963     afs_uint32  code = 0;
 964     cm_scache_t * scp = NULL;
 965     cm_scache_t * dscp = NULL;
 966     cm_req_t      req;
 967     cm_fid_t      parentFid;
 968     DWORD         status;
 969     DWORD         dwRemaining;
 970     WCHAR       * wszName = NULL;
 971     size_t        cbName;
 972     BOOL          bVol = FALSE;
 973     wchar_t       FileName[260];
 974
 975     StringCchCopyNW(FileName, 260, FileNameCounted, FileNameLength / sizeof(WCHAR));
 976
 977     RDR_InitReq(&req);
 978     if ( bWow64 )
 979         req.flags |= CM_REQ_WOW64;
 980
 981     osi_Log4(afsd_logp, "RDR_EvaluateNodeByName parent FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
 982              ParentID.Cell, ParentID.Volume, ParentID.Vnode, ParentID.Unique);
 983
 984     /* Allocate enough room to add a volume prefix if necessary */
 985     cbName = FileNameLength + (CM_PREFIX_VOL_CCH + 1) * sizeof(WCHAR);
 986     wszName = malloc(cbName);
 987     if (!wszName) {
 988         osi_Log0(afsd_logp, "RDR_EvaluateNodeByName Out of Memory");
 989         return;
 990     }
 991     StringCbCopyNW(wszName, cbName, FileName, FileNameLength);
 992     osi_Log1(afsd_logp, "... name=%S", osi_LogSaveStringW(afsd_logp, wszName));
 993
 994     *ResultCB = (AFSCommResult *)malloc(size);
 995     if (!(*ResultCB)) {
 996         osi_Log0(afsd_logp, "RDR_EvaluateNodeByName Out of Memory");
 997         free(wszName);
 998         return;
 999     }
1000
1001     memset(*ResultCB, 0, size);
1002     (*ResultCB)->ResultBufferLength = 0;
1003     dwRemaining = ResultBufferLength;
1004     if (ResultBufferLength >= sizeof( AFSFileEvalResultCB)) {
1005         pEvalResultCB = (AFSFileEvalResultCB *)&(*ResultCB)->ResultData;
1006         pCurrentEntry = &pEvalResultCB->DirEnum;
1007         dwRemaining -= (sizeof( AFSFileEvalResultCB) - sizeof( AFSDirEnumEntry));
1008     }
1009
1010     if (ParentID.Cell != 0) {
1011         parentFid.cell   = ParentID.Cell;
1012         parentFid.volume = ParentID.Volume;
1013         parentFid.vnode  = ParentID.Vnode;
1014         parentFid.unique = ParentID.Unique;
1015         parentFid.hash   = ParentID.Hash;
1016
1017         code = cm_GetSCache(&parentFid, &dscp, userp, &req);
1018         if (code) {
1019             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1020             (*ResultCB)->ResultStatus = status;
1021             if ( status == STATUS_INVALID_HANDLE)
1022                 status = STATUS_OBJECT_PATH_INVALID;
1023             osi_Log2(afsd_logp, "RDR_EvaluateNodeByName cm_GetSCache parentFID failure code=0x%x status=0x%x",
1024                       code, status);
1025             free(wszName);
1026             return;
1027         }
1028     } else {
1029         (*ResultCB)->ResultStatus = STATUS_OBJECT_NAME_INVALID;
1030         osi_Log0(afsd_logp, "RDR_EvaluateNodeByName Object Name Invalid - Cell = 0");
1031         return;
1032     }
1033
1034     /* get the directory size */
1035     lock_ObtainWrite(&dscp->rw);
1036     code = cm_SyncOp(dscp, NULL, userp, &req, 0,
1037                      CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1038     if (code) {
1039         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1040         (*ResultCB)->ResultStatus = status;
1041         lock_ReleaseWrite(&dscp->rw);
1042         cm_ReleaseSCache(dscp);
1043         osi_Log3(afsd_logp, "RDR_EvaluateNodeByName cm_SyncOp failure dscp=0x%p code=0x%x status=0x%x",
1044                  dscp, code, status);
1045         free(wszName);
1046         return;
1047     }
1048     cm_SyncOpDone(dscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1049     lock_ReleaseWrite(&dscp->rw);
1050
1051     if (dscp->fileType != CM_SCACHETYPE_DIRECTORY) {
1052         (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
1053         cm_ReleaseSCache(dscp);
1054         osi_Log1(afsd_logp, "RDR_EvaluateNodeByName Not a Directory dscp=0x%p",
1055                  dscp);
1056         free(wszName);
1057         return;
1058     }
1059
1060     code = cm_Lookup(dscp, wszName, CM_FLAG_CHECKPATH, userp, &req, &scp);
1061
1062     if ((code == CM_ERROR_NOSUCHPATH || code == CM_ERROR_NOSUCHFILE || code == CM_ERROR_BPLUS_NOMATCH) &&
1063          (wcschr(wszName, '%') != NULL || wcschr(wszName, '#') != NULL)) {
1064         /*
1065          * A volume reference:  <cell>{%,#}<volume> -> @vol:<cell>{%,#}<volume>
1066          */
1067         StringCchCopyNW(wszName, cbName, _C(CM_PREFIX_VOL), CM_PREFIX_VOL_CCH);
1068         StringCbCatNW(wszName, cbName, FileName, FileNameLength);
1069         cm_strlwr_utf16(wszName);
1070         bVol = TRUE;
1071
1072         code = cm_EvaluateVolumeReference(wszName, CM_FLAG_CHECKPATH, userp, &req, &scp);
1073     }
1074
1075     if (code == 0 && scp) {
1076         wchar_t shortName[13]=L"";
1077
1078         if (bVol) {
1079             cm_Gen8Dot3VolNameW(scp->fid.cell, scp->fid.volume, shortName, NULL);
1080         } else if (!cm_Is8Dot3(wszName)) {
1081             cm_dirFid_t dfid;
1082
1083             dfid.vnode = htonl(scp->fid.vnode);
1084             dfid.unique = htonl(scp->fid.unique);
1085
1086             cm_Gen8Dot3NameIntW(FileName, &dfid, shortName, NULL);
1087         } else {
1088             shortName[0] = '\0';
1089         }
1090
1091         code = RDR_PopulateCurrentEntry(pCurrentEntry, dwRemaining,
1092                                         dscp, scp, userp, &req,
1093                                         FileName, shortName,
1094                                         (bWow64 ? RDR_POP_WOW64 : 0) |
1095                                         (bNoFollow ? 0 : (RDR_POP_FOLLOW_MOUNTPOINTS | RDR_POP_EVALUATE_SYMLINKS)),
1096                                         0, NULL, &dwRemaining);
1097         if (bHoldFid)
1098             RDR_FlagScpInUse( scp, FALSE );
1099         cm_ReleaseSCache(scp);
1100
1101         if (code) {
1102             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1103             (*ResultCB)->ResultStatus = status;
1104             osi_Log2(afsd_logp, "RDR_EvaluateNodeByName FAILURE code=0x%x status=0x%x",
1105                       code, status);
1106         } else {
1107             pEvalResultCB->ParentDataVersion.QuadPart = dscp->dataVersion;
1108             (*ResultCB)->ResultStatus = STATUS_SUCCESS;
1109             (*ResultCB)->ResultBufferLength = ResultBufferLength - dwRemaining;
1110             osi_Log0(afsd_logp, "RDR_EvaluateNodeByName SUCCESS");
1111         }
1112     } else if (code) {
1113         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1114         (*ResultCB)->ResultStatus = status;
1115         osi_Log2(afsd_logp, "RDR_EvaluateNodeByName FAILURE code=0x%x status=0x%x",
1116                  code, status);
1117     } else {
1118         (*ResultCB)->ResultStatus = STATUS_NO_SUCH_FILE;
1119         osi_Log0(afsd_logp, "RDR_EvaluateNodeByName No Such File");
1120     }
1121     cm_ReleaseSCache(dscp);
1122     free(wszName);
1123
1124     return;
1125 }
1126
1127 void
1128 RDR_EvaluateNodeByID( IN cm_user_t *userp,
1129                       IN AFSFileID ParentID,            /* not used */
1130                       IN AFSFileID SourceID,
1131                       IN BOOL      bWow64,
1132                       IN BOOL      bNoFollow,
1133                       IN BOOL      bHoldFid,
1134                       IN DWORD     ResultBufferLength,
1135                       IN OUT AFSCommResult **ResultCB)
1136 {
1137     AFSFileEvalResultCB *pEvalResultCB = NULL;
1138     AFSDirEnumEntry * pCurrentEntry = NULL;
1139     size_t size = ResultBufferLength ? sizeof(AFSCommResult) + ResultBufferLength - 1 : sizeof(AFSCommResult);
1140     afs_uint32  code = 0;
1141     cm_scache_t * scp = NULL;
1142     cm_scache_t * dscp = NULL;
1143     cm_req_t      req;
1144     cm_fid_t      Fid;
1145     cm_fid_t      parentFid;
1146     DWORD         status;
1147     DWORD         dwRemaining;
1148
1149     osi_Log4(afsd_logp, "RDR_EvaluateNodeByID source FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
1150               SourceID.Cell, SourceID.Volume, SourceID.Vnode, SourceID.Unique);
1151     osi_Log4(afsd_logp, "... parent FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
1152               ParentID.Cell, ParentID.Volume, ParentID.Vnode, ParentID.Unique);
1153
1154     *ResultCB = (AFSCommResult *)malloc(size);
1155     if (!(*ResultCB)) {
1156         osi_Log0(afsd_logp, "RDR_EvaluateNodeByID Out of Memory");
1157         return;
1158     }
1159
1160     memset(*ResultCB, 0, size);
1161     (*ResultCB)->ResultBufferLength = 0;
1162     dwRemaining = ResultBufferLength;
1163     if (ResultBufferLength >= sizeof( AFSFileEvalResultCB)) {
1164         pEvalResultCB = (AFSFileEvalResultCB *)&(*ResultCB)->ResultData;
1165         pCurrentEntry = &pEvalResultCB->DirEnum;
1166         dwRemaining -= (sizeof( AFSFileEvalResultCB) - sizeof( AFSDirEnumEntry));
1167     }
1168
1169     RDR_InitReq(&req);
1170     if ( bWow64 )
1171         req.flags |= CM_REQ_WOW64;
1172
1173     if (SourceID.Cell != 0) {
1174         Fid.cell   = SourceID.Cell;
1175         Fid.volume = SourceID.Volume;
1176         Fid.vnode  = SourceID.Vnode;
1177         Fid.unique = SourceID.Unique;
1178         Fid.hash   = SourceID.Hash;
1179
1180         code = cm_GetSCache(&Fid, &scp, userp, &req);
1181         if (code) {
1182             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1183             (*ResultCB)->ResultStatus = status;
1184             osi_Log2(afsd_logp, "RDR_EvaluateNodeByID cm_GetSCache SourceFID failure code=0x%x status=0x%x",
1185                       code, status);
1186             return;
1187         }
1188     } else {
1189         (*ResultCB)->ResultStatus = STATUS_OBJECT_NAME_INVALID;
1190         osi_Log0(afsd_logp, "RDR_EvaluateNodeByID Object Name Invalid - Cell = 0");
1191         return;
1192     }
1193
1194     if (ParentID.Cell != 0) {
1195         cm_SetFid(&parentFid, ParentID.Cell, ParentID.Volume, ParentID.Vnode, ParentID.Unique);
1196         code = cm_GetSCache(&parentFid, &dscp, userp, &req);
1197         if (code) {
1198             cm_ReleaseSCache(scp);
1199             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1200             if ( status == STATUS_INVALID_HANDLE)
1201                 status = STATUS_OBJECT_PATH_INVALID;
1202             (*ResultCB)->ResultStatus = status;
1203             osi_Log2(afsd_logp, "RDR_EvaluateNodeByID cm_GetSCache parentFID failure code=0x%x status=0x%x",
1204                       code, status);
1205             return;
1206         }
1207     } else if (SourceID.Vnode == 1) {
1208         dscp = scp;
1209         cm_HoldSCache(dscp);
1210     } else if (scp->parentVnode) {
1211         cm_SetFid(&parentFid, SourceID.Cell, SourceID.Volume, scp->parentVnode, scp->parentUnique);
1212         code = cm_GetSCache(&parentFid, &dscp, userp, &req);
1213         if (code) {
1214             cm_ReleaseSCache(scp);
1215             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1216             if ( status == STATUS_INVALID_HANDLE)
1217                 status = STATUS_OBJECT_PATH_INVALID;
1218             (*ResultCB)->ResultStatus = status;
1219             osi_Log2(afsd_logp, "RDR_EvaluateNodeByID cm_GetSCache parentFID failure code=0x%x status=0x%x",
1220                       code, status);
1221             return;
1222         }
1223     } else {
1224         (*ResultCB)->ResultStatus = STATUS_OBJECT_PATH_INVALID;
1225         osi_Log0(afsd_logp, "RDR_EvaluateNodeByID Object Path Invalid - Unknown Parent");
1226         return;
1227     }
1228
1229     /* Make sure the directory is current */
1230     lock_ObtainWrite(&dscp->rw);
1231     code = cm_SyncOp(dscp, NULL, userp, &req, 0,
1232                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1233     if (code) {
1234         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1235         (*ResultCB)->ResultStatus = status;
1236         lock_ReleaseWrite(&dscp->rw);
1237         cm_ReleaseSCache(dscp);
1238         cm_ReleaseSCache(scp);
1239         osi_Log3(afsd_logp, "RDR_EvaluateNodeByID cm_SyncOp failure dscp=0x%p code=0x%x status=0x%x",
1240                  dscp, code, status);
1241         return;
1242     }
1243
1244     cm_SyncOpDone(dscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1245     lock_ReleaseWrite(&dscp->rw);
1246
1247     if (dscp->fileType != CM_SCACHETYPE_DIRECTORY) {
1248         (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
1249         cm_ReleaseSCache(dscp);
1250         cm_ReleaseSCache(scp);
1251         osi_Log1(afsd_logp, "RDR_EvaluateNodeByID Not a Directory dscp=0x%p", dscp);
1252         return;
1253     }
1254
1255     code = RDR_PopulateCurrentEntry(pCurrentEntry, dwRemaining,
1256                                     dscp, scp, userp, &req, NULL, NULL,
1257                                     (bWow64 ? RDR_POP_WOW64 : 0) |
1258                                     (bNoFollow ? 0 : (RDR_POP_FOLLOW_MOUNTPOINTS | RDR_POP_EVALUATE_SYMLINKS)),
1259                                     0, NULL, &dwRemaining);
1260
1261     if (bHoldFid)
1262         RDR_FlagScpInUse( scp, FALSE );
1263     cm_ReleaseSCache(scp);
1264     cm_ReleaseSCache(dscp);
1265
1266     if (code) {
1267         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1268         (*ResultCB)->ResultStatus = status;
1269         osi_Log2(afsd_logp, "RDR_EvaluateNodeByID FAILURE code=0x%x status=0x%x",
1270                  code, status);
1271     } else {
1272         pEvalResultCB->ParentDataVersion.QuadPart = dscp->dataVersion;
1273
1274         (*ResultCB)->ResultStatus = STATUS_SUCCESS;
1275         (*ResultCB)->ResultBufferLength = ResultBufferLength - dwRemaining;
1276         osi_Log0(afsd_logp, "RDR_EvaluateNodeByID SUCCESS");
1277     }
1278     return;
1279 }
1280
1281 void
1282 RDR_CreateFileEntry( IN cm_user_t *userp,
1283                      IN WCHAR *FileNameCounted,
1284                      IN DWORD FileNameLength,
1285                      IN AFSFileCreateCB *CreateCB,
1286                      IN BOOL bWow64,
1287                      IN BOOL bHoldFid,
1288                      IN DWORD ResultBufferLength,
1289                      IN OUT AFSCommResult **ResultCB)
1290 {
1291     AFSFileCreateResultCB *pResultCB = NULL;
1292     size_t size = sizeof(AFSCommResult) + ResultBufferLength - 1;
1293     cm_fid_t            parentFid;
1294     afs_uint32          code;
1295     cm_scache_t *       dscp = NULL;
1296     afs_uint32          flags = 0;
1297     cm_attr_t           setAttr;
1298     cm_scache_t *       scp = NULL;
1299     cm_req_t            req;
1300     DWORD               status;
1301     wchar_t             FileName[260];
1302
1303     StringCchCopyNW(FileName, 260, FileNameCounted, FileNameLength / sizeof(WCHAR));
1304
1305     osi_Log4(afsd_logp, "RDR_CreateFileEntry parent FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
1306               CreateCB->ParentId.Cell, CreateCB->ParentId.Volume,
1307               CreateCB->ParentId.Vnode, CreateCB->ParentId.Unique);
1308     osi_Log1(afsd_logp, "... name=%S", osi_LogSaveStringW(afsd_logp, FileName));
1309
1310     RDR_InitReq(&req);
1311     if ( bWow64 )
1312         req.flags |= CM_REQ_WOW64;
1313     memset(&setAttr, 0, sizeof(cm_attr_t));
1314
1315     *ResultCB = (AFSCommResult *)malloc(size);
1316     if (!(*ResultCB)) {
1317         osi_Log0(afsd_logp, "RDR_CreateFileEntry out of memory");
1318         return;
1319     }
1320
1321     memset( *ResultCB,
1322             '\0',
1323             size);
1324
1325     parentFid.cell   = CreateCB->ParentId.Cell;
1326     parentFid.volume = CreateCB->ParentId.Volume;
1327     parentFid.vnode  = CreateCB->ParentId.Vnode;
1328     parentFid.unique = CreateCB->ParentId.Unique;
1329     parentFid.hash   = CreateCB->ParentId.Hash;
1330
1331     code = cm_GetSCache(&parentFid, &dscp, userp, &req);
1332     if (code) {
1333         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1334         (*ResultCB)->ResultStatus = status;
1335         if ( status == STATUS_INVALID_HANDLE)
1336             status = STATUS_OBJECT_PATH_INVALID;
1337         osi_Log2(afsd_logp, "RDR_CreateFileEntry cm_GetSCache ParentFID failure code=0x%x status=0x%x",
1338                   code, status);
1339         return;
1340     }
1341
1342     lock_ObtainWrite(&dscp->rw);
1343     code = cm_SyncOp(dscp, NULL, userp, &req, 0,
1344                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1345     if (code) {
1346         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1347         (*ResultCB)->ResultStatus = status;
1348         lock_ReleaseWrite(&dscp->rw);
1349         cm_ReleaseSCache(dscp);
1350         osi_Log3(afsd_logp, "RDR_CreateFileEntry cm_SyncOp failure (1) dscp=0x%p code=0x%x status=0x%x",
1351                  dscp, code, status);
1352         return;
1353     }
1354
1355     cm_SyncOpDone(dscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1356     lock_ReleaseWrite(&dscp->rw);
1357
1358     if (dscp->fileType != CM_SCACHETYPE_DIRECTORY) {
1359         (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
1360         cm_ReleaseSCache(dscp);
1361         osi_Log1(afsd_logp, "RDR_CreateFileEntry Not a Directory dscp=0x%p",
1362                  dscp);
1363         return;
1364     }
1365
1366     /* Use current time */
1367     setAttr.mask = CM_ATTRMASK_CLIENTMODTIME;
1368     setAttr.clientModTime = time(NULL);
1369
1370     if (CreateCB->FileAttributes & FILE_ATTRIBUTE_DIRECTORY) {
1371         if (smb_unixModeDefaultDir) {
1372             setAttr.mask |= CM_ATTRMASK_UNIXMODEBITS;
1373             setAttr.unixModeBits = smb_unixModeDefaultDir;
1374             if (CreateCB->FileAttributes & FILE_ATTRIBUTE_READONLY)
1375                 setAttr.unixModeBits &= ~0222;          /* disable the write bits */
1376         }
1377
1378         code = cm_MakeDir(dscp, FileName, flags, &setAttr, userp, &req, &scp);
1379     } else {
1380         if (smb_unixModeDefaultFile) {
1381             setAttr.mask |= CM_ATTRMASK_UNIXMODEBITS;
1382             setAttr.unixModeBits = smb_unixModeDefaultFile;
1383             if (CreateCB->FileAttributes & FILE_ATTRIBUTE_READONLY)
1384                 setAttr.unixModeBits &= ~0222;          /* disable the write bits */
1385         }
1386
1387         setAttr.mask |= CM_ATTRMASK_LENGTH;
1388         setAttr.length.LowPart = CreateCB->AllocationSize.LowPart;
1389         setAttr.length.HighPart = CreateCB->AllocationSize.HighPart;
1390         code = cm_Create(dscp, FileName, flags, &setAttr, &scp, userp, &req);
1391     }
1392     if (code == 0) {
1393         wchar_t shortName[13]=L"";
1394         cm_dirFid_t dfid;
1395         DWORD dwRemaining;
1396
1397         (*ResultCB)->ResultStatus = 0;  // We will be able to fit all the data in here
1398
1399         (*ResultCB)->ResultBufferLength = sizeof( AFSFileCreateResultCB);
1400
1401         pResultCB = (AFSFileCreateResultCB *)(*ResultCB)->ResultData;
1402
1403         dwRemaining = ResultBufferLength - sizeof( AFSFileCreateResultCB) + sizeof( AFSDirEnumEntry);
1404
1405         lock_ObtainWrite(&dscp->rw);
1406         code = cm_SyncOp(dscp, NULL, userp, &req, 0,
1407                           CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1408         if (code) {
1409             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1410             (*ResultCB)->ResultStatus = status;
1411             lock_ReleaseWrite(&dscp->rw);
1412             cm_ReleaseSCache(dscp);
1413             cm_ReleaseSCache(scp);
1414             osi_Log3(afsd_logp, "RDR_CreateFileEntry cm_SyncOp failure (2) dscp=0x%p code=0x%x status=0x%x",
1415                       dscp, code, status);
1416             return;
1417         }
1418
1419         pResultCB->ParentDataVersion.QuadPart = dscp->dataVersion;
1420
1421         cm_SyncOpDone(dscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1422         lock_ReleaseWrite(&dscp->rw);
1423
1424         dfid.vnode = htonl(scp->fid.vnode);
1425         dfid.unique = htonl(scp->fid.unique);
1426
1427         if (!cm_Is8Dot3(FileName))
1428             cm_Gen8Dot3NameIntW(FileName, &dfid, shortName, NULL);
1429         else
1430             shortName[0] = '\0';
1431
1432         code = RDR_PopulateCurrentEntry(&pResultCB->DirEnum, dwRemaining,
1433                                         dscp, scp, userp, &req, FileName, shortName,
1434                                         RDR_POP_FOLLOW_MOUNTPOINTS | RDR_POP_EVALUATE_SYMLINKS,
1435                                         0, NULL, &dwRemaining);
1436
1437         if (bHoldFid)
1438             RDR_FlagScpInUse( scp, FALSE );
1439         cm_ReleaseSCache(scp);
1440         (*ResultCB)->ResultBufferLength = ResultBufferLength - dwRemaining;
1441         osi_Log0(afsd_logp, "RDR_CreateFileEntry SUCCESS");
1442     } else {
1443         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1444         (*ResultCB)->ResultStatus = status;
1445         (*ResultCB)->ResultBufferLength = 0;
1446         osi_Log2(afsd_logp, "RDR_CreateFileEntry FAILURE code=0x%x status=0x%x",
1447                   code, status);
1448     }
1449
1450     cm_ReleaseSCache(dscp);
1451
1452     return;
1453 }
1454
1455 void
1456 RDR_UpdateFileEntry( IN cm_user_t *userp,
1457                      IN AFSFileID FileId,
1458                      IN AFSFileUpdateCB *UpdateCB,
1459                      IN BOOL bWow64,
1460                      IN DWORD ResultBufferLength,
1461                      IN OUT AFSCommResult **ResultCB)
1462 {
1463     AFSFileUpdateResultCB *pResultCB = NULL;
1464     size_t size = sizeof(AFSCommResult) + ResultBufferLength - 1;
1465     cm_fid_t            Fid;
1466     cm_fid_t            parentFid;
1467     afs_uint32          code;
1468     afs_uint32          flags = 0;
1469     cm_attr_t           setAttr;
1470     cm_scache_t *       scp = NULL;
1471     cm_scache_t *       dscp = NULL;
1472     cm_req_t            req;
1473     time_t              clientModTime;
1474     FILETIME            ft;
1475     DWORD               status;
1476     BOOL                bScpLocked = FALSE;
1477
1478     RDR_InitReq(&req);
1479     if ( bWow64 )
1480         req.flags |= CM_REQ_WOW64;
1481     memset(&setAttr, 0, sizeof(cm_attr_t));
1482
1483     osi_Log4(afsd_logp, "RDR_UpdateFileEntry parent FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
1484               UpdateCB->ParentId.Cell, UpdateCB->ParentId.Volume,
1485               UpdateCB->ParentId.Vnode, UpdateCB->ParentId.Unique);
1486     osi_Log4(afsd_logp, "... object FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
1487               FileId.Cell, FileId.Volume,
1488               FileId.Vnode, FileId.Unique);
1489
1490     *ResultCB = (AFSCommResult *)malloc( size);
1491     if (!(*ResultCB)) {
1492         osi_Log0(afsd_logp, "RDR_UpdateFileEntry Out of Memory");
1493         return;
1494     }
1495
1496     memset( *ResultCB,
1497             '\0',
1498             size);
1499
1500     parentFid.cell   = UpdateCB->ParentId.Cell;
1501     parentFid.volume = UpdateCB->ParentId.Volume;
1502     parentFid.vnode  = UpdateCB->ParentId.Vnode;
1503     parentFid.unique = UpdateCB->ParentId.Unique;
1504     parentFid.hash   = UpdateCB->ParentId.Hash;
1505
1506     code = cm_GetSCache(&parentFid, &dscp, userp, &req);
1507     if (code) {
1508         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1509         (*ResultCB)->ResultStatus = status;
1510         if ( status == STATUS_INVALID_HANDLE)
1511             status = STATUS_OBJECT_PATH_INVALID;
1512         osi_Log2(afsd_logp, "RDR_UpdateFileEntry cm_GetSCache ParentFID failure code=0x%x status=0x%x",
1513                   code, status);
1514         return;
1515     }
1516
1517     lock_ObtainWrite(&dscp->rw);
1518     bScpLocked = TRUE;
1519     code = cm_SyncOp(dscp, NULL, userp, &req, 0,
1520                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1521     if (code) {
1522         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1523         (*ResultCB)->ResultStatus = status;
1524         lock_ReleaseWrite(&dscp->rw);
1525         cm_ReleaseSCache(dscp);
1526         osi_Log3(afsd_logp, "RDR_UpdateFileEntry cm_SyncOp failure dscp=0x%p code=0x%x status=0x%x",
1527                  dscp, code, status);
1528         return;
1529     }
1530
1531     cm_SyncOpDone(dscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1532     lock_ReleaseWrite(&dscp->rw);
1533     bScpLocked = FALSE;
1534
1535     if (dscp->fileType != CM_SCACHETYPE_DIRECTORY) {
1536         (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
1537         cm_ReleaseSCache(dscp);
1538         osi_Log1(afsd_logp, "RDR_UpdateFileEntry Not a Directory dscp=0x%p",
1539                  dscp);
1540         return;
1541     }
1542
1543     Fid.cell   = FileId.Cell;
1544     Fid.volume = FileId.Volume;
1545     Fid.vnode  = FileId.Vnode;
1546     Fid.unique = FileId.Unique;
1547     Fid.hash   = FileId.Hash;
1548
1549     code = cm_GetSCache(&Fid, &scp, userp, &req);
1550     if (code) {
1551         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1552         (*ResultCB)->ResultStatus = status;
1553         cm_ReleaseSCache(dscp);
1554         osi_Log2(afsd_logp, "RDR_UpdateFileEntry cm_GetSCache object FID failure code=0x%x status=0x%x",
1555                   code, status);
1556         return;
1557     }
1558
1559     lock_ObtainWrite(&scp->rw);
1560     bScpLocked = TRUE;
1561     code = cm_SyncOp(scp, NULL, userp, &req, 0,
1562                       CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_NEEDCALLBACK);
1563     if (code) {
1564         lock_ReleaseWrite(&scp->rw);
1565         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1566         (*ResultCB)->ResultStatus = status;
1567         (*ResultCB)->ResultBufferLength = 0;
1568         cm_ReleaseSCache(dscp);
1569         cm_ReleaseSCache(scp);
1570         osi_Log3(afsd_logp, "RDR_UpdateFileEntry cm_SyncOp failure scp=0x%p code=0x%x status=0x%x",
1571                  scp, code, status);
1572         return;
1573     }
1574     cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1575
1576     if (UpdateCB->ChangeTime.QuadPart) {
1577
1578         if (scp->fileType == CM_SCACHETYPE_FILE) {
1579             /* Do not set length and other attributes at the same time */
1580             if (scp->length.QuadPart != UpdateCB->AllocationSize.QuadPart) {
1581                 osi_Log2(afsd_logp, "RDR_UpdateFileEntry Length Change 0x%x -> 0x%x",
1582                           (afs_uint32)scp->length.QuadPart, (afs_uint32)UpdateCB->AllocationSize.QuadPart);
1583                 setAttr.mask |= CM_ATTRMASK_LENGTH;
1584                 setAttr.length.LowPart = UpdateCB->AllocationSize.LowPart;
1585                 setAttr.length.HighPart = UpdateCB->AllocationSize.HighPart;
1586                 lock_ReleaseWrite(&scp->rw);
1587                 bScpLocked = FALSE;
1588                 code = cm_SetAttr(scp, &setAttr, userp, &req);
1589                 if (code)
1590                     goto on_error;
1591                 setAttr.mask = 0;
1592             }
1593         }
1594
1595         if (!bScpLocked) {
1596             lock_ObtainWrite(&scp->rw);
1597             bScpLocked = TRUE;
1598         }
1599         if ((scp->unixModeBits & 0200) && (UpdateCB->FileAttributes & FILE_ATTRIBUTE_READONLY)) {
1600             setAttr.mask |= CM_ATTRMASK_UNIXMODEBITS;
1601             setAttr.unixModeBits = scp->unixModeBits & ~0222;
1602         } else if (!(scp->unixModeBits & 0200) && !(UpdateCB->FileAttributes & FILE_ATTRIBUTE_READONLY)) {
1603             setAttr.mask |= CM_ATTRMASK_UNIXMODEBITS;
1604             setAttr.unixModeBits = scp->unixModeBits | 0222;
1605         }
1606     }
1607
1608     if (UpdateCB->LastWriteTime.QuadPart) {
1609         ft.dwLowDateTime = UpdateCB->LastWriteTime.LowPart;
1610         ft.dwHighDateTime = UpdateCB->LastWriteTime.HighPart;
1611
1612         cm_UnixTimeFromLargeSearchTime(& clientModTime, &ft);
1613
1614         if (!bScpLocked) {
1615             lock_ObtainWrite(&scp->rw);
1616             bScpLocked = TRUE;
1617         }
1618         if (scp->clientModTime != clientModTime) {
1619             setAttr.mask |= CM_ATTRMASK_CLIENTMODTIME;
1620             setAttr.clientModTime = clientModTime;
1621         }
1622
1623         /* call setattr */
1624         if (setAttr.mask) {
1625             lock_ReleaseWrite(&scp->rw);
1626             bScpLocked = FALSE;
1627             code = cm_SetAttr(scp, &setAttr, userp, &req);
1628         } else
1629             code = 0;
1630     }
1631
1632   on_error:
1633     if (bScpLocked) {
1634         lock_ReleaseWrite(&scp->rw);
1635     }
1636
1637     if (code == 0) {
1638         DWORD dwRemaining = ResultBufferLength - sizeof( AFSFileUpdateResultCB) + sizeof( AFSDirEnumEntry);
1639
1640         pResultCB = (AFSFileUpdateResultCB *)(*ResultCB)->ResultData;
1641
1642         pResultCB->ParentDataVersion.QuadPart = dscp->dataVersion;
1643
1644         code = RDR_PopulateCurrentEntry(&pResultCB->DirEnum, dwRemaining,
1645                                         dscp, scp, userp, &req, NULL, NULL,
1646                                         RDR_POP_FOLLOW_MOUNTPOINTS | RDR_POP_EVALUATE_SYMLINKS,
1647                                         0, NULL, &dwRemaining);
1648         (*ResultCB)->ResultBufferLength = ResultBufferLength - dwRemaining;
1649         osi_Log0(afsd_logp, "RDR_UpdateFileEntry SUCCESS");
1650     } else {
1651         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1652         (*ResultCB)->ResultStatus = status;
1653         (*ResultCB)->ResultBufferLength = 0;
1654         osi_Log2(afsd_logp, "RDR_UpdateFileEntry FAILURE code=0x%x status=0x%x",
1655                   code, status);
1656     }
1657     cm_ReleaseSCache(scp);
1658     cm_ReleaseSCache(dscp);
1659
1660     return;
1661 }
1662
1663 void
1664 RDR_CleanupFileEntry( IN cm_user_t *userp,
1665                       IN AFSFileID FileId,
1666                       IN WCHAR *FileNameCounted,
1667                       IN DWORD FileNameLength,
1668                       IN AFSFileCleanupCB *CleanupCB,
1669                       IN BOOL bWow64,
1670                       IN BOOL bLastHandle,
1671                       IN BOOL bDeleteFile,
1672                       IN BOOL bUnlockFile,
1673                       IN DWORD ResultBufferLength,
1674                       IN OUT AFSCommResult **ResultCB)
1675 {
1676     AFSFileCleanupResultCB *pResultCB = NULL;
1677     size_t size = sizeof(AFSCommResult) + ResultBufferLength - 1;
1678     cm_fid_t            Fid;
1679     cm_fid_t            parentFid;
1680     afs_uint32          code = 0;
1681     afs_uint32          flags = 0;
1682     cm_attr_t           setAttr;
1683     cm_scache_t *       scp = NULL;
1684     cm_scache_t *       dscp = NULL;
1685     cm_req_t            req;
1686     time_t              clientModTime;
1687     FILETIME            ft;
1688     DWORD               status;
1689     BOOL                bScpLocked = FALSE;
1690     BOOL                bDscpLocked = FALSE;
1691     BOOL                bFlushFile = FALSE;
1692     cm_key_t            key;
1693
1694     RDR_InitReq(&req);
1695     if ( bWow64 )
1696         req.flags |= CM_REQ_WOW64;
1697     memset(&setAttr, 0, sizeof(cm_attr_t));
1698
1699     osi_Log4(afsd_logp, "RDR_CleanupFileEntry parent FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
1700               CleanupCB->ParentId.Cell, CleanupCB->ParentId.Volume,
1701               CleanupCB->ParentId.Vnode, CleanupCB->ParentId.Unique);
1702     osi_Log4(afsd_logp, "... object FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
1703               FileId.Cell, FileId.Volume,
1704               FileId.Vnode, FileId.Unique);
1705
1706     *ResultCB = (AFSCommResult *)malloc( size);
1707     if (!(*ResultCB)) {
1708         osi_Log0(afsd_logp, "RDR_CleanupFileEntry Out of Memory");
1709         return;
1710     }
1711
1712     memset( *ResultCB,
1713             '\0',
1714             size);
1715
1716     parentFid.cell   = CleanupCB->ParentId.Cell;
1717     parentFid.volume = CleanupCB->ParentId.Volume;
1718     parentFid.vnode  = CleanupCB->ParentId.Vnode;
1719     parentFid.unique = CleanupCB->ParentId.Unique;
1720     parentFid.hash   = CleanupCB->ParentId.Hash;
1721
1722     if (parentFid.cell) {
1723         code = cm_GetSCache(&parentFid, &dscp, userp, &req);
1724         if (code) {
1725             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1726             if ( status == STATUS_INVALID_HANDLE)
1727                 status = STATUS_OBJECT_PATH_INVALID;
1728             (*ResultCB)->ResultStatus = status;
1729             osi_Log2(afsd_logp, "RDR_CleanupFileEntry cm_GetSCache ParentFID failure code=0x%x status=0x%x",
1730                      code, status);
1731             return;
1732         }
1733
1734         lock_ObtainWrite(&dscp->rw);
1735         bDscpLocked = TRUE;
1736         code = cm_SyncOp(dscp, NULL, userp, &req, 0,
1737                          CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1738         if (code) {
1739             osi_Log2(afsd_logp, "RDR_CleanupFileEntry cm_SyncOp failure dscp=0x%p code=0x%x",
1740                     dscp, code);
1741             if (code)
1742                 goto on_error;
1743         }
1744
1745         cm_SyncOpDone(dscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1746         lock_ReleaseWrite(&dscp->rw);
1747         bDscpLocked = FALSE;
1748
1749         if (dscp->fileType != CM_SCACHETYPE_DIRECTORY) {
1750             (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
1751             cm_ReleaseSCache(dscp);
1752             osi_Log1(afsd_logp, "RDR_CleanupFileEntry Not a Directory dscp=0x%p",
1753                      dscp);
1754             if (code)
1755                 goto on_error;
1756         }
1757     }
1758
1759     Fid.cell   = FileId.Cell;
1760     Fid.volume = FileId.Volume;
1761     Fid.vnode  = FileId.Vnode;
1762     Fid.unique = FileId.Unique;
1763     Fid.hash   = FileId.Hash;
1764
1765     code = cm_GetSCache(&Fid, &scp, userp, &req);
1766     if (code) {
1767         osi_Log1(afsd_logp, "RDR_CleanupFileEntry cm_GetSCache object FID failure code=0x%x",
1768                  code);
1769         goto on_error;
1770     }
1771
1772     lock_ObtainWrite(&scp->rw);
1773     bScpLocked = TRUE;
1774     code = cm_SyncOp(scp, NULL, userp, &req, 0,
1775                       CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_NEEDCALLBACK);
1776     if (code) {
1777         osi_Log2(afsd_logp, "RDR_CleanupFileEntry cm_SyncOp failure scp=0x%p code=0x%x",
1778                  scp, code);
1779         goto on_error;
1780     }
1781     cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1782
1783     if ((bLastHandle || bFlushFile) &&
1784         scp->redirBufCount > 0)
1785     {
1786         LARGE_INTEGER heldExtents;
1787         AFSFileExtentCB extentList[1024];
1788         DWORD extentCount = 0;
1789         cm_buf_t *srbp;
1790         time_t now;
1791
1792         time(&now);
1793         heldExtents.QuadPart = 0;
1794
1795         for ( srbp = redirq_to_cm_buf_t(scp->redirQueueT);
1796               srbp;
1797               srbp = redirq_to_cm_buf_t(osi_QPrev(&srbp->redirq)))
1798         {
1799             extentList[extentCount].Flags = 0;
1800             extentList[extentCount].Length = cm_data.blockSize;
1801             extentList[extentCount].FileOffset.QuadPart = srbp->offset.QuadPart;
1802             extentList[extentCount].CacheOffset.QuadPart = srbp->datap - RDR_extentBaseAddress;
1803             lock_ObtainWrite(&buf_globalLock);
1804             srbp->redirReleaseRequested = now;
1805             lock_ReleaseWrite(&buf_globalLock);
1806             extentCount++;
1807
1808             if (extentCount == 1024) {
1809                 lock_ReleaseWrite(&scp->rw);
1810                 code = RDR_RequestExtentRelease(&scp->fid, heldExtents, extentCount, extentList);
1811                 if (code) {
1812                     if (code == CM_ERROR_RETRY) {
1813                         /*
1814                          * The redirector either is not holding the extents or cannot let them
1815                          * go because they are otherwise in use.  At the moment, do nothing.
1816                          */
1817                     } else
1818                         break;
1819                 }
1820                 extentCount = 0;
1821                 bFlushFile = TRUE;
1822                 lock_ObtainWrite(&scp->rw);
1823             }
1824         }
1825
1826         if (code == 0 && extentCount > 0) {
1827             if (bScpLocked) {
1828                 lock_ReleaseWrite(&scp->rw);
1829                 bScpLocked = FALSE;
1830             }
1831             code = RDR_RequestExtentRelease(&scp->fid, heldExtents, extentCount, extentList);
1832             bFlushFile = TRUE;
1833         }
1834     }
1835
1836     /* No longer in use by redirector */
1837     if (!bScpLocked) {
1838         lock_ObtainWrite(&scp->rw);
1839         bScpLocked = TRUE;
1840     }
1841
1842     if (bLastHandle) {
1843         lock_AssertWrite(&scp->rw);
1844         scp->flags &= ~CM_SCACHEFLAG_RDR_IN_USE;
1845     }
1846
1847     if (bLastHandle || bFlushFile) {
1848         if (!bScpLocked) {
1849             lock_ObtainWrite(&scp->rw);
1850             bScpLocked = TRUE;
1851         }
1852         code = cm_SyncOp(scp, NULL, userp, &req, PRSFS_WRITE,
1853                           CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1854         if (code == 0) {
1855             if (bScpLocked) {
1856                 lock_ReleaseWrite(&scp->rw);
1857                 bScpLocked = FALSE;
1858             }
1859
1860             code = cm_FSync(scp, userp, &req, bScpLocked);
1861         }
1862         if (bLastHandle && code)
1863             goto on_error;
1864     }
1865
1866     if (bUnlockFile || bDeleteFile) {
1867         if (!bScpLocked) {
1868             lock_ObtainWrite(&scp->rw);
1869             bScpLocked = TRUE;
1870         }
1871         code = cm_SyncOp(scp, NULL, userp, &req, 0,
1872                           CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
1873         if (code) {
1874             osi_Log2(afsd_logp, "RDR_CleanupFileEntry cm_SyncOp (2) failure scp=0x%p code=0x%x",
1875                      scp, code);
1876             goto on_error;
1877         }
1878
1879         key = cm_GenerateKey(CM_SESSION_IFS, CleanupCB->ProcessId, 0);
1880
1881         /* the scp is now locked and current */
1882         code = cm_UnlockByKey(scp, key,
1883                               bDeleteFile ? CM_UNLOCK_FLAG_BY_FID : 0,
1884                               userp, &req);
1885
1886         cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
1887
1888         if (code)
1889             goto on_error;
1890     }
1891
1892     if (CleanupCB->ChangeTime.QuadPart) {
1893
1894         if (scp->fileType == CM_SCACHETYPE_FILE) {
1895             /* Do not set length and other attributes at the same time */
1896             if (scp->length.QuadPart != CleanupCB->AllocationSize.QuadPart) {
1897                 osi_Log2(afsd_logp, "RDR_CleanupFileEntry Length Change 0x%x -> 0x%x",
1898                           (afs_uint32)scp->length.QuadPart, (afs_uint32)CleanupCB->AllocationSize.QuadPart);
1899                 setAttr.mask |= CM_ATTRMASK_LENGTH;
1900                 setAttr.length.LowPart = CleanupCB->AllocationSize.LowPart;
1901                 setAttr.length.HighPart = CleanupCB->AllocationSize.HighPart;
1902
1903                 if (bScpLocked) {
1904                     lock_ReleaseWrite(&scp->rw);
1905                     bScpLocked = FALSE;
1906                 }
1907                 code = cm_SetAttr(scp, &setAttr, userp, &req);
1908                 if (code)
1909                     goto on_error;
1910                 setAttr.mask = 0;
1911             }
1912         }
1913
1914         if (!bScpLocked) {
1915             lock_ObtainWrite(&scp->rw);
1916             bScpLocked = TRUE;
1917         }
1918
1919         if ((scp->unixModeBits & 0200) && (CleanupCB->FileAttributes & FILE_ATTRIBUTE_READONLY)) {
1920             setAttr.mask |= CM_ATTRMASK_UNIXMODEBITS;
1921             setAttr.unixModeBits = scp->unixModeBits & ~0222;
1922         } else if (!(scp->unixModeBits & 0200) && !(CleanupCB->FileAttributes & FILE_ATTRIBUTE_READONLY)) {
1923             setAttr.mask |= CM_ATTRMASK_UNIXMODEBITS;
1924             setAttr.unixModeBits = scp->unixModeBits | 0222;
1925         }
1926     }
1927
1928     if (CleanupCB->LastWriteTime.QuadPart) {
1929         ft.dwLowDateTime = CleanupCB->LastWriteTime.LowPart;
1930         ft.dwHighDateTime = CleanupCB->LastWriteTime.HighPart;
1931
1932         cm_UnixTimeFromLargeSearchTime(&clientModTime, &ft);
1933         if (scp->clientModTime != clientModTime) {
1934             setAttr.mask |= CM_ATTRMASK_CLIENTMODTIME;
1935             setAttr.clientModTime = clientModTime;
1936         }
1937     }
1938
1939     /* call setattr */
1940     if (setAttr.mask) {
1941         lock_ReleaseWrite(&scp->rw);
1942         bScpLocked = FALSE;
1943         code = cm_SetAttr(scp, &setAttr, userp, &req);
1944     } else
1945         code = 0;
1946
1947     /* Now drop the lock enforcing the share access */
1948     if ( CleanupCB->FileAccess != AFS_FILE_ACCESS_NOLOCK) {
1949         unsigned int sLockType;
1950         LARGE_INTEGER LOffset, LLength;
1951
1952         if (CleanupCB->FileAccess == AFS_FILE_ACCESS_SHARED)
1953             sLockType = LOCKING_ANDX_SHARED_LOCK;
1954         else
1955             sLockType = 0;
1956
1957         key = cm_GenerateKey(CM_SESSION_IFS, SMB_FID_QLOCK_PID, CleanupCB->Identifier);
1958
1959         LOffset.HighPart = SMB_FID_QLOCK_HIGH;
1960         LOffset.LowPart = SMB_FID_QLOCK_LOW;
1961         LLength.HighPart = 0;
1962         LLength.LowPart = SMB_FID_QLOCK_LENGTH;
1963
1964         if (!bScpLocked) {
1965             lock_ObtainWrite(&scp->rw);
1966             bScpLocked = TRUE;
1967         }
1968
1969         code = cm_SyncOp(scp, NULL, userp, &req, 0, CM_SCACHESYNC_LOCK);
1970         if (code == 0)
1971         {
1972             code = cm_Unlock(scp, sLockType, LOffset, LLength, key, 0, userp, &req);
1973
1974             cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_LOCK);
1975
1976             if (code == CM_ERROR_RANGE_NOT_LOCKED)
1977             {
1978                 osi_Log3(afsd_logp, "RDR_CleanupFileEntry Range Not Locked -- FileAccess 0x%x ProcessId 0x%x HandleId 0x%x",
1979                          CleanupCB->FileAccess, CleanupCB->ProcessId, CleanupCB->Identifier);
1980
1981             }
1982         }
1983     }
1984
1985   on_error:
1986     if (bDscpLocked)
1987         lock_ReleaseWrite(&dscp->rw);
1988     if (bScpLocked)
1989         lock_ReleaseWrite(&scp->rw);
1990
1991     if (dscp && bDeleteFile) {
1992         WCHAR FileName[260];
1993
1994         StringCchCopyNW(FileName, 260, FileNameCounted, FileNameLength / sizeof(WCHAR));
1995
1996         if (scp->fileType == CM_SCACHETYPE_DIRECTORY)
1997             code = cm_RemoveDir(dscp, NULL, FileName, userp, &req);
1998         else
1999             code = cm_Unlink(dscp, NULL, FileName, userp, &req);
2000     }
2001
2002     if ( ResultBufferLength >=  sizeof( AFSFileCleanupResultCB))
2003     {
2004         (*ResultCB)->ResultBufferLength = sizeof( AFSFileCleanupResultCB);
2005         pResultCB = (AFSFileCleanupResultCB *)&(*ResultCB)->ResultData;
2006         pResultCB->ParentDataVersion.QuadPart = dscp ? dscp->dataVersion : 0;
2007     } else {
2008         (*ResultCB)->ResultBufferLength = 0;
2009     }
2010
2011     if (code == 0) {
2012         (*ResultCB)->ResultStatus = 0;
2013         osi_Log0(afsd_logp, "RDR_CleanupFileEntry SUCCESS");
2014     } else {
2015         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2016         (*ResultCB)->ResultStatus = status;
2017         osi_Log2(afsd_logp, "RDR_CleanupFileEntry FAILURE code=0x%x status=0x%x",
2018                   code, status);
2019     }
2020     if (scp)
2021         cm_ReleaseSCache(scp);
2022     if (dscp)
2023         cm_ReleaseSCache(dscp);
2024
2025     return;
2026 }
2027
2028 void
2029 RDR_DeleteFileEntry( IN cm_user_t *userp,
2030                      IN AFSFileID ParentId,
2031                      IN ULONGLONG ProcessId,
2032                      IN WCHAR *FileNameCounted,
2033                      IN DWORD FileNameLength,
2034                      IN BOOL bWow64,
2035                      IN BOOL bCheckOnly,
2036                      IN DWORD ResultBufferLength,
2037                      IN OUT AFSCommResult **ResultCB)
2038 {
2039
2040     AFSFileDeleteResultCB *pResultCB = NULL;
2041     size_t size = sizeof(AFSCommResult) + ResultBufferLength - 1;
2042     cm_fid_t            parentFid;
2043     afs_uint32          code;
2044     cm_scache_t *       dscp = NULL;
2045     cm_scache_t *       scp = NULL;
2046     afs_uint32          flags = 0;
2047     cm_attr_t           setAttr;
2048     cm_req_t            req;
2049     DWORD               status;
2050     wchar_t             FileName[260];
2051     cm_key_t            key;
2052
2053     StringCchCopyNW(FileName, 260, FileNameCounted, FileNameLength / sizeof(WCHAR));
2054
2055     osi_Log4(afsd_logp, "RDR_DeleteFileEntry parent FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
2056               ParentId.Cell,  ParentId.Volume,
2057               ParentId.Vnode, ParentId.Unique);
2058     osi_Log2(afsd_logp, "... name=%S checkOnly=%x",
2059              osi_LogSaveStringW(afsd_logp, FileName),
2060              bCheckOnly);
2061
2062     RDR_InitReq(&req);
2063     if ( bWow64 )
2064         req.flags |= CM_REQ_WOW64;
2065     memset(&setAttr, 0, sizeof(cm_attr_t));
2066
2067     *ResultCB = (AFSCommResult *)malloc( size);
2068     if (!(*ResultCB)) {
2069         osi_Log0(afsd_logp, "RDR_DeleteFileEntry out of memory");
2070         return;
2071     }
2072
2073     memset( *ResultCB,
2074             '\0',
2075             size);
2076
2077     parentFid.cell   = ParentId.Cell;
2078     parentFid.volume = ParentId.Volume;
2079     parentFid.vnode  = ParentId.Vnode;
2080     parentFid.unique = ParentId.Unique;
2081     parentFid.hash   = ParentId.Hash;
2082
2083     code = cm_GetSCache(&parentFid, &dscp, userp, &req);
2084     if (code) {
2085         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2086         if ( status == STATUS_INVALID_HANDLE)
2087             status = STATUS_OBJECT_PATH_INVALID;
2088         (*ResultCB)->ResultStatus = status;
2089         osi_Log2(afsd_logp, "RDR_DeleteFileEntry cm_GetSCache ParentFID failure code=0x%x status=0x%x",
2090                   code, status);
2091         return;
2092     }
2093
2094     lock_ObtainWrite(&dscp->rw);
2095
2096     code = cm_SyncOp(dscp, NULL, userp, &req, 0,
2097                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2098     if (code) {
2099         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2100         (*ResultCB)->ResultStatus = status;
2101         (*ResultCB)->ResultBufferLength = 0;
2102         lock_ReleaseWrite(&dscp->rw);
2103         cm_ReleaseSCache(dscp);
2104         osi_Log3(afsd_logp, "RDR_DeleteFileEntry cm_SyncOp failure dscp=0x%p code=0x%x status=0x%x",
2105                  dscp, code, status);
2106         return;
2107     }
2108
2109     cm_SyncOpDone(dscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2110     lock_ReleaseWrite(&dscp->rw);
2111
2112     if (dscp->fileType != CM_SCACHETYPE_DIRECTORY) {
2113         (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
2114         cm_ReleaseSCache(dscp);
2115         osi_Log1(afsd_logp, "RDR_DeleteFileEntry Not a Directory dscp=0x%p",
2116                  dscp);
2117         return;
2118     }
2119
2120     code = cm_Lookup(dscp, FileName, 0, userp, &req, &scp);
2121     if (code) {
2122         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2123         (*ResultCB)->ResultStatus = status;
2124         (*ResultCB)->ResultBufferLength = 0;
2125         cm_ReleaseSCache(dscp);
2126         osi_Log2(afsd_logp, "RDR_DeleteFileEntry cm_Lookup failure code=0x%x status=0x%x",
2127                  code, status);
2128         return;
2129     }
2130
2131     lock_ObtainWrite(&scp->rw);
2132     code = cm_SyncOp(scp, NULL, userp, &req, PRSFS_DELETE,
2133                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2134     if (code) {
2135         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2136         (*ResultCB)->ResultStatus = status;
2137         (*ResultCB)->ResultBufferLength = 0;
2138         lock_ReleaseWrite(&scp->rw);
2139         cm_ReleaseSCache(scp);
2140         cm_ReleaseSCache(dscp);
2141         osi_Log3(afsd_logp, "RDR_DeleteFileEntry cm_SyncOp failure scp=0x%p code=0x%x status=0x%x",
2142                  scp, code, status);
2143         return;
2144     }
2145
2146     if (!bCheckOnly) {
2147         /* Drop all locks since the file is being deleted */
2148         code = cm_SyncOp(scp, NULL, userp, &req, 0,
2149                          CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
2150         if (code) {
2151             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2152             (*ResultCB)->ResultStatus = status;
2153             (*ResultCB)->ResultBufferLength = 0;
2154             lock_ReleaseWrite(&scp->rw);
2155             cm_ReleaseSCache(scp);
2156             cm_ReleaseSCache(dscp);
2157             osi_Log3(afsd_logp, "RDR_DeleteFileEntry cm_SyncOp Lock failure scp=0x%p code=0x%x status=0x%x",
2158                      scp, code, status);
2159         }
2160
2161         /* the scp is now locked and current */
2162         key = cm_GenerateKey(CM_SESSION_IFS, ProcessId, 0);
2163
2164         code = cm_UnlockByKey(scp, key,
2165                               CM_UNLOCK_FLAG_BY_FID,
2166                               userp, &req);
2167
2168         cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
2169         lock_ReleaseWrite(&scp->rw);
2170
2171         if (scp->fileType == CM_SCACHETYPE_DIRECTORY)
2172             code = cm_RemoveDir(dscp, NULL, FileName, userp, &req);
2173         else
2174             code = cm_Unlink(dscp, NULL, FileName, userp, &req);
2175     } else {
2176         lock_ReleaseWrite(&scp->rw);
2177     }
2178
2179     if (code == 0) {
2180         (*ResultCB)->ResultStatus = 0;  // We will be able to fit all the data in here
2181
2182         (*ResultCB)->ResultBufferLength = sizeof( AFSFileDeleteResultCB);
2183
2184         pResultCB = (AFSFileDeleteResultCB *)(*ResultCB)->ResultData;
2185
2186         pResultCB->ParentDataVersion.QuadPart = dscp->dataVersion;
2187         osi_Log0(afsd_logp, "RDR_DeleteFileEntry SUCCESS");
2188     } else {
2189         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2190         (*ResultCB)->ResultStatus = status;
2191         (*ResultCB)->ResultBufferLength = 0;
2192         osi_Log2(afsd_logp, "RDR_DeleteFileEntry FAILURE code=0x%x status=0x%x",
2193                   code, status);
2194     }
2195
2196     cm_ReleaseSCache(dscp);
2197     cm_ReleaseSCache(scp);
2198
2199     return;
2200 }
2201
2202 void
2203 RDR_RenameFileEntry( IN cm_user_t *userp,
2204                      IN WCHAR    *SourceFileNameCounted,
2205                      IN DWORD     SourceFileNameLength,
2206                      IN AFSFileID SourceFileId,
2207                      IN AFSFileRenameCB *pRenameCB,
2208                      IN BOOL bWow64,
2209                      IN DWORD ResultBufferLength,
2210                      IN OUT AFSCommResult **ResultCB)
2211 {
2212
2213     AFSFileRenameResultCB *pResultCB = NULL;
2214     size_t size = sizeof(AFSCommResult) + ResultBufferLength - 1;
2215     AFSFileID              SourceParentId   = pRenameCB->SourceParentId;
2216     AFSFileID              TargetParentId   = pRenameCB->TargetParentId;
2217     WCHAR *                TargetFileNameCounted = pRenameCB->TargetName;
2218     DWORD                  TargetFileNameLength = pRenameCB->TargetNameLength;
2219     cm_fid_t               SourceParentFid;
2220     cm_fid_t               TargetParentFid;
2221     cm_fid_t               SourceFid;
2222     cm_fid_t               OrigTargetFid = {0,0,0,0,0};
2223     cm_fid_t               TargetFid;
2224     cm_scache_t *          oldDscp;
2225     cm_scache_t *          newDscp;
2226     cm_dirOp_t dirop;
2227     wchar_t                shortName[13];
2228     wchar_t                SourceFileName[260];
2229     wchar_t                TargetFileName[260];
2230     cm_dirFid_t            dfid;
2231     cm_req_t               req;
2232     afs_uint32             code;
2233     DWORD                  status;
2234
2235     RDR_InitReq(&req);
2236     if ( bWow64 )
2237         req.flags |= CM_REQ_WOW64;
2238
2239     StringCchCopyNW(SourceFileName, 260, SourceFileNameCounted, SourceFileNameLength / sizeof(WCHAR));
2240     StringCchCopyNW(TargetFileName, 260, TargetFileNameCounted, TargetFileNameLength / sizeof(WCHAR));
2241
2242     osi_Log4(afsd_logp, "RDR_RenameFileEntry Source Parent FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
2243               SourceParentId.Cell,  SourceParentId.Volume,
2244               SourceParentId.Vnode, SourceParentId.Unique);
2245     osi_Log2(afsd_logp, "... Source Name=%S Length %u", osi_LogSaveStringW(afsd_logp, SourceFileName), SourceFileNameLength);
2246     osi_Log4(afsd_logp, "... Target Parent FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
2247               TargetParentId.Cell,  TargetParentId.Volume,
2248               TargetParentId.Vnode, TargetParentId.Unique);
2249     osi_Log2(afsd_logp, "... Target Name=%S Length %u", osi_LogSaveStringW(afsd_logp, TargetFileName), TargetFileNameLength);
2250
2251     *ResultCB = (AFSCommResult *)malloc( size);
2252     if (!(*ResultCB))
2253         return;
2254
2255     memset( *ResultCB,
2256             '\0',
2257             size);
2258
2259     pResultCB = (AFSFileRenameResultCB *)(*ResultCB)->ResultData;
2260
2261     if (SourceFileNameLength == 0 || TargetFileNameLength == 0)
2262     {
2263         osi_Log2(afsd_logp, "RDR_RenameFileEntry Invalid Name Length: src %u target %u",
2264                  SourceFileNameLength, TargetFileNameLength);
2265         (*ResultCB)->ResultStatus = STATUS_INVALID_PARAMETER;
2266         return;
2267     }
2268
2269     SourceParentFid.cell   = SourceParentId.Cell;
2270     SourceParentFid.volume = SourceParentId.Volume;
2271     SourceParentFid.vnode  = SourceParentId.Vnode;
2272     SourceParentFid.unique = SourceParentId.Unique;
2273     SourceParentFid.hash   = SourceParentId.Hash;
2274
2275     TargetParentFid.cell   = TargetParentId.Cell;
2276     TargetParentFid.volume = TargetParentId.Volume;
2277     TargetParentFid.vnode  = TargetParentId.Vnode;
2278     TargetParentFid.unique = TargetParentId.Unique;
2279     TargetParentFid.hash   = TargetParentId.Hash;
2280
2281     code = cm_GetSCache(&SourceParentFid, &oldDscp, userp, &req);
2282     if (code) {
2283         osi_Log1(afsd_logp, "RDR_RenameFileEntry cm_GetSCache source parent failed code 0x%x", code);
2284         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2285         if ( status == STATUS_INVALID_HANDLE)
2286             status = STATUS_OBJECT_PATH_INVALID;
2287         (*ResultCB)->ResultStatus = status;
2288         return;
2289     }
2290
2291     lock_ObtainWrite(&oldDscp->rw);
2292     code = cm_SyncOp(oldDscp, NULL, userp, &req, 0,
2293                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2294     if (code) {
2295         osi_Log2(afsd_logp, "RDR_RenameFileEntry cm_SyncOp oldDscp 0x%p failed code 0x%x", oldDscp, code);
2296         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2297         if ( status == STATUS_INVALID_HANDLE)
2298             status = STATUS_OBJECT_PATH_INVALID;
2299         (*ResultCB)->ResultStatus = status;
2300         lock_ReleaseWrite(&oldDscp->rw);
2301         cm_ReleaseSCache(oldDscp);
2302         return;
2303     }
2304
2305     cm_SyncOpDone(oldDscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2306     lock_ReleaseWrite(&oldDscp->rw);
2307
2308
2309     if (oldDscp->fileType != CM_SCACHETYPE_DIRECTORY) {
2310         osi_Log1(afsd_logp, "RDR_RenameFileEntry oldDscp 0x%p not a directory", oldDscp);
2311         (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
2312         cm_ReleaseSCache(oldDscp);
2313         return;
2314     }
2315
2316     code = cm_GetSCache(&TargetParentFid, &newDscp, userp, &req);
2317     if (code) {
2318         osi_Log1(afsd_logp, "RDR_RenameFileEntry cm_GetSCache target parent failed code 0x%x", code);
2319         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2320         (*ResultCB)->ResultStatus = status;
2321         cm_ReleaseSCache(oldDscp);
2322         return;
2323     }
2324
2325     lock_ObtainWrite(&newDscp->rw);
2326     code = cm_SyncOp(newDscp, NULL, userp, &req, 0,
2327                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2328     if (code) {
2329         osi_Log2(afsd_logp, "RDR_RenameFileEntry cm_SyncOp newDscp 0x%p failed code 0x%x", newDscp, code);
2330         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2331         (*ResultCB)->ResultStatus = status;
2332         lock_ReleaseWrite(&newDscp->rw);
2333         cm_ReleaseSCache(oldDscp);
2334         cm_ReleaseSCache(newDscp);
2335         return;
2336     }
2337
2338     cm_SyncOpDone(newDscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2339     lock_ReleaseWrite(&newDscp->rw);
2340
2341
2342     if (newDscp->fileType != CM_SCACHETYPE_DIRECTORY) {
2343         osi_Log1(afsd_logp, "RDR_RenameFileEntry newDscp 0x%p not a directory", newDscp);
2344         (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
2345         cm_ReleaseSCache(oldDscp);
2346         cm_ReleaseSCache(newDscp);
2347         return;
2348     }
2349
2350     /* Obtain the original FID just for debugging purposes */
2351     code = cm_BeginDirOp( oldDscp, userp, &req, CM_DIRLOCK_READ, CM_DIROP_FLAG_NONE, &dirop);
2352     if (code == 0) {
2353         code = cm_BPlusDirLookup(&dirop, SourceFileName, &SourceFid);
2354         code = cm_BPlusDirLookup(&dirop, TargetFileName, &OrigTargetFid);
2355         cm_EndDirOp(&dirop);
2356     }
2357
2358     code = cm_Rename( oldDscp, NULL, SourceFileName,
2359                       newDscp, TargetFileName, userp, &req);
2360     if (code == 0) {
2361         cm_scache_t *scp = 0;
2362         DWORD dwRemaining;
2363
2364         (*ResultCB)->ResultBufferLength = ResultBufferLength;
2365         dwRemaining = ResultBufferLength - sizeof( AFSFileRenameResultCB) + sizeof( AFSDirEnumEntry);
2366         (*ResultCB)->ResultStatus = 0;
2367
2368         pResultCB->SourceParentDataVersion.QuadPart = oldDscp->dataVersion;
2369         pResultCB->TargetParentDataVersion.QuadPart = newDscp->dataVersion;
2370
2371         osi_Log2(afsd_logp, "RDR_RenameFileEntry cm_Rename oldDscp 0x%p newDscp 0x%p SUCCESS",
2372                  oldDscp, newDscp);
2373
2374         code = cm_BeginDirOp( newDscp, userp, &req, CM_DIRLOCK_READ, CM_DIROP_FLAG_NONE, &dirop);
2375         if (code == 0) {
2376             code = cm_BPlusDirLookup(&dirop, TargetFileName, &TargetFid);
2377             cm_EndDirOp(&dirop);
2378         }
2379
2380         if (code != 0) {
2381             osi_Log1(afsd_logp, "RDR_RenameFileEntry cm_BPlusDirLookup failed code 0x%x",
2382                      code);
2383             (*ResultCB)->ResultStatus = STATUS_OBJECT_PATH_INVALID;
2384             cm_ReleaseSCache(oldDscp);
2385             cm_ReleaseSCache(newDscp);
2386             return;
2387         }
2388
2389         osi_Log4(afsd_logp, "RDR_RenameFileEntry Target FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
2390                   TargetFid.cell,  TargetFid.volume,
2391                   TargetFid.vnode, TargetFid.unique);
2392
2393         code = cm_GetSCache(&TargetFid, &scp, userp, &req);
2394         if (code) {
2395             osi_Log1(afsd_logp, "RDR_RenameFileEntry cm_GetSCache target failed code 0x%x", code);
2396             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2397             (*ResultCB)->ResultStatus = status;
2398             cm_ReleaseSCache(oldDscp);
2399             cm_ReleaseSCache(newDscp);
2400             return;
2401         }
2402
2403         /* Make sure the source vnode is current */
2404         lock_ObtainWrite(&scp->rw);
2405         code = cm_SyncOp(scp, NULL, userp, &req, 0,
2406                           CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2407         if (code) {
2408             osi_Log2(afsd_logp, "RDR_RenameFileEntry cm_SyncOp scp 0x%p failed code 0x%x", scp, code);
2409             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2410             (*ResultCB)->ResultStatus = status;
2411             lock_ReleaseWrite(&scp->rw);
2412             cm_ReleaseSCache(oldDscp);
2413             cm_ReleaseSCache(newDscp);
2414             cm_ReleaseSCache(scp);
2415             return;
2416         }
2417
2418         cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2419         lock_ReleaseWrite(&scp->rw);
2420
2421         dfid.vnode = htonl(scp->fid.vnode);
2422         dfid.unique = htonl(scp->fid.unique);
2423
2424         if (!cm_Is8Dot3(TargetFileName))
2425             cm_Gen8Dot3NameIntW(TargetFileName, &dfid, shortName, NULL);
2426         else
2427             shortName[0] = '\0';
2428
2429         RDR_PopulateCurrentEntry(&pResultCB->DirEnum, dwRemaining,
2430                                  newDscp, scp, userp, &req, TargetFileName, shortName,
2431                                  RDR_POP_FOLLOW_MOUNTPOINTS | RDR_POP_EVALUATE_SYMLINKS,
2432                                  0, NULL, &dwRemaining);
2433         (*ResultCB)->ResultBufferLength = ResultBufferLength - dwRemaining;
2434         cm_ReleaseSCache(scp);
2435
2436         osi_Log0(afsd_logp, "RDR_RenameFileEntry SUCCESS");
2437     } else {
2438         osi_Log3(afsd_logp, "RDR_RenameFileEntry cm_Rename oldDscp 0x%p newDscp 0x%p failed code 0x%x",
2439                  oldDscp, newDscp, code);
2440         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2441         (*ResultCB)->ResultStatus = status;
2442         (*ResultCB)->ResultBufferLength = 0;
2443     }
2444
2445     cm_ReleaseSCache(oldDscp);
2446     cm_ReleaseSCache(newDscp);
2447     return;
2448 }
2449
2450 void
2451 RDR_FlushFileEntry( IN cm_user_t *userp,
2452                     IN AFSFileID FileId,
2453                     IN BOOL bWow64,
2454                     IN DWORD ResultBufferLength,
2455                     IN OUT AFSCommResult **ResultCB)
2456 {
2457     cm_scache_t *scp = NULL;
2458     cm_fid_t    Fid;
2459     afs_uint32  code;
2460     cm_req_t    req;
2461     DWORD       status;
2462 #ifdef ODS_DEBUG
2463     char        dbgstr[1024];
2464 #endif
2465
2466     RDR_InitReq(&req);
2467     if ( bWow64 )
2468         req.flags |= CM_REQ_WOW64;
2469
2470     osi_Log4(afsd_logp, "RDR_FlushFileEntry File FID cell 0x%x vol 0x%x vno 0x%x uniq 0x%x",
2471               FileId.Cell, FileId.Volume,
2472               FileId.Vnode, FileId.Unique);
2473 #ifdef ODS_DEBUG
2474     snprintf( dbgstr, 1024,
2475               "RDR_FlushFileEntry File FID cell 0x%x vol 0x%x vno 0x%x uniq 0x%x\n",
2476               FileId.Cell, FileId.Volume,
2477               FileId.Vnode, FileId.Unique);
2478     OutputDebugStringA( dbgstr);
2479 #endif
2480
2481     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult));
2482     if (!(*ResultCB)) {
2483         osi_Log0(afsd_logp, "RDR_FlushFileEntry out of memory");
2484         return;
2485     }
2486
2487     memset( *ResultCB,
2488             '\0',
2489             sizeof( AFSCommResult));
2490
2491     /* Process the release */
2492     Fid.cell = FileId.Cell;
2493     Fid.volume = FileId.Volume;
2494     Fid.vnode = FileId.Vnode;
2495     Fid.unique = FileId.Unique;
2496     Fid.hash = FileId.Hash;
2497
2498     code = cm_GetSCache(&Fid, &scp, userp, &req);
2499     if (code) {
2500         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2501         (*ResultCB)->ResultStatus = status;
2502         osi_Log2(afsd_logp, "RDR_FlushFileEntry cm_GetSCache FID failure code=0x%x status=0x%x",
2503                   code, status);
2504         return;
2505     }
2506
2507     lock_ObtainWrite(&scp->rw);
2508     if (scp->flags & CM_SCACHEFLAG_DELETED) {
2509         lock_ReleaseWrite(&scp->rw);
2510         (*ResultCB)->ResultStatus = STATUS_INVALID_HANDLE;
2511         return;
2512     }
2513
2514     code = cm_SyncOp(scp, NULL, userp, &req, 0,
2515                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2516     if (code) {
2517         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2518         (*ResultCB)->ResultStatus = status;
2519         lock_ReleaseWrite(&scp->rw);
2520         cm_ReleaseSCache(scp);
2521         osi_Log3(afsd_logp, "RDR_FlushFileEntry cm_SyncOp failure scp=0x%p code=0x%x status=0x%x",
2522                  scp, code, status);
2523         return;
2524     }
2525
2526     cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2527     lock_ReleaseWrite(&scp->rw);
2528
2529     code = cm_FSync(scp, userp, &req, FALSE);
2530     cm_ReleaseSCache(scp);
2531
2532     if (code) {
2533         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2534         (*ResultCB)->ResultStatus = status;
2535         osi_Log2(afsd_logp, "RDR_FlushFileEntry FAILURE code=0x%x status=0x%x",
2536                   code, status);
2537     } else {
2538         (*ResultCB)->ResultStatus = 0;
2539         osi_Log0(afsd_logp, "RDR_FlushFileEntry SUCCESS");
2540     }
2541     (*ResultCB)->ResultBufferLength = 0;
2542
2543     return;
2544 }
2545
2546 afs_uint32
2547 RDR_CheckAccess( IN cm_scache_t *scp, cm_user_t *userp, cm_req_t *reqp,
2548                  ULONG access,
2549                  ULONG *granted)
2550 {
2551     ULONG afs_acc, afs_gr;
2552     BOOLEAN file, dir;
2553     afs_uint32 code = 0;
2554
2555     file = (scp->fileType == CM_SCACHETYPE_FILE);
2556     dir = !file;
2557
2558     /* access definitions from prs_fs.h */
2559     afs_acc = 0;
2560     if (access & FILE_READ_DATA)
2561         afs_acc |= PRSFS_READ;
2562     if (access & FILE_READ_EA || access & FILE_READ_ATTRIBUTES)
2563         afs_acc |= PRSFS_READ;
2564     if (file && ((access & FILE_WRITE_DATA) || (access & FILE_APPEND_DATA)))
2565         afs_acc |= PRSFS_WRITE;
2566     if (access & FILE_WRITE_EA || access & FILE_WRITE_ATTRIBUTES)
2567         afs_acc |= PRSFS_WRITE;
2568     if (dir && ((access & FILE_ADD_FILE) || (access & FILE_ADD_SUBDIRECTORY)))
2569         afs_acc |= PRSFS_INSERT;
2570     if (dir && (access & FILE_LIST_DIRECTORY))
2571         afs_acc |= PRSFS_LOOKUP;
2572     if (file && (access & FILE_EXECUTE))
2573         afs_acc |= PRSFS_WRITE;
2574     if (dir && (access & FILE_TRAVERSE))
2575         afs_acc |= PRSFS_READ;
2576     if (dir && (access & FILE_DELETE_CHILD))
2577         afs_acc |= PRSFS_DELETE;
2578     if ((access & DELETE))
2579         afs_acc |= PRSFS_DELETE;
2580
2581     /* check ACL with server */
2582     lock_ObtainWrite(&scp->rw);
2583     while (1)
2584     {
2585         if (cm_HaveAccessRights(scp, userp, reqp, afs_acc, &afs_gr))
2586         {
2587             break;
2588         }
2589         else
2590         {
2591             /* we don't know the required access rights */
2592             code = cm_GetAccessRights(scp, userp, reqp);
2593             if (code)
2594                 break;
2595             continue;
2596         }
2597     }
2598     lock_ReleaseWrite(&(scp->rw));
2599
2600     if (code == 0) {
2601         *granted = 0;
2602         if (afs_gr & PRSFS_READ)
2603             *granted |= FILE_READ_DATA | FILE_READ_EA | FILE_READ_ATTRIBUTES | FILE_EXECUTE;
2604         if (afs_gr & PRSFS_WRITE)
2605             *granted |= FILE_WRITE_DATA | FILE_APPEND_DATA | FILE_WRITE_EA | FILE_WRITE_ATTRIBUTES | FILE_EXECUTE;
2606         if (afs_gr & PRSFS_INSERT)
2607             *granted |= (dir ? FILE_ADD_FILE | FILE_ADD_SUBDIRECTORY : 0) | (file ? FILE_ADD_SUBDIRECTORY : 0);
2608         if (afs_gr & PRSFS_LOOKUP)
2609             *granted |= (dir ? FILE_LIST_DIRECTORY : 0);
2610         if (afs_gr & PRSFS_DELETE)
2611             *granted |= FILE_DELETE_CHILD | DELETE;
2612         if (afs_gr & PRSFS_LOCK)
2613             *granted |= 0;
2614         if (afs_gr & PRSFS_ADMINISTER)
2615             *granted |= 0;
2616
2617         *granted |= SYNCHRONIZE | READ_CONTROL;
2618
2619         /* don't give more access than what was requested */
2620         *granted &= access;
2621         osi_Log3(afsd_logp, "RDR_CheckAccess SUCCESS scp=0x%p requested=0x%x granted=0x%x", scp, access, *granted);
2622     } else
2623         osi_Log2(afsd_logp, "RDR_CheckAccess FAILURE scp=0x%p code=0x%x",
2624                  scp, code);
2625
2626     return code;
2627 }
2628
2629 void
2630 RDR_OpenFileEntry( IN cm_user_t *userp,
2631                    IN AFSFileID FileId,
2632                    IN AFSFileOpenCB *OpenCB,
2633                    IN BOOL bWow64,
2634                    IN BOOL bHoldFid,
2635                    IN DWORD ResultBufferLength,
2636                    IN OUT AFSCommResult **ResultCB)
2637 {
2638     AFSFileOpenResultCB *pResultCB = NULL;
2639     cm_scache_t *scp = NULL;
2640     cm_user_t   *sysUserp = NULL;
2641     cm_fid_t    Fid;
2642     cm_lock_data_t      *ldp = NULL;
2643     afs_uint32  code;
2644     cm_req_t    req;
2645     DWORD       status;
2646
2647     RDR_InitReq(&req);
2648     if ( bWow64 )
2649         req.flags |= CM_REQ_WOW64;
2650
2651     osi_Log4(afsd_logp, "RDR_OpenFileEntry File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
2652               FileId.Cell, FileId.Volume,
2653               FileId.Vnode, FileId.Unique);
2654
2655     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult) + sizeof( AFSFileOpenResultCB));
2656     if (!(*ResultCB)) {
2657         osi_Log0(afsd_logp, "RDR_OpenFileEntry out of memory");
2658         return;
2659     }
2660
2661     memset( *ResultCB,
2662             '\0',
2663             sizeof( AFSCommResult) + sizeof( AFSFileOpenResultCB));
2664
2665     pResultCB = (AFSFileOpenResultCB *)(*ResultCB)->ResultData;
2666
2667     /* Process the release */
2668     Fid.cell = FileId.Cell;
2669     Fid.volume = FileId.Volume;
2670     Fid.vnode = FileId.Vnode;
2671     Fid.unique = FileId.Unique;
2672     Fid.hash = FileId.Hash;
2673
2674     code = cm_GetSCache(&Fid, &scp, userp, &req);
2675     if (code) {
2676         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2677         (*ResultCB)->ResultStatus = status;
2678         osi_Log2(afsd_logp, "RDR_OpenFileEntry cm_GetSCache FID failure code=0x%x status=0x%x",
2679                   code, status);
2680         return;
2681     }
2682
2683     lock_ObtainWrite(&scp->rw);
2684     code = cm_SyncOp(scp, NULL, userp, &req, 0,
2685                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2686     if (code) {
2687         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2688         (*ResultCB)->ResultStatus = status;
2689         lock_ReleaseWrite(&scp->rw);
2690         cm_ReleaseSCache(scp);
2691         osi_Log3(afsd_logp, "RDR_OpenFileEntry cm_SyncOp failure scp=0x%p code=0x%x status=0x%x",
2692                  scp, code, status);
2693         return;
2694     }
2695
2696     cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2697     lock_ReleaseWrite(&scp->rw);
2698
2699     sysUserp = RDR_GetLocalSystemUser();
2700
2701     /*
2702      * Skip the open check if the request is coming from the local system account.
2703      * The local system has no tokens and therefore any requests sent to a file
2704      * server will fail.  Unfortunately, there are special system processes that
2705      * perform actions on files and directories in preparation for memory mapping
2706      * executables.  If the open check fails, the real request from the user process
2707      * will never be issued.
2708      *
2709      * Permitting the file system to allow subsequent operations to proceed does
2710      * not compromise security.  All requests to obtain file data or directory
2711      * enumerations will subsequently fail if they are not submitted under the
2712      * context of a process for that have access to the necessary credentials.
2713      */
2714
2715     if ( userp == sysUserp)
2716     {
2717         osi_Log1(afsd_logp, "RDR_OpenFileEntry LOCAL_SYSTEM access check skipped scp=0x%p",
2718                  scp);
2719         pResultCB->GrantedAccess = OpenCB->DesiredAccess;
2720         pResultCB->FileAccess = AFS_FILE_ACCESS_NOLOCK;
2721         code = 0;
2722     }
2723     else
2724     {
2725         int count = 0;
2726
2727         do {
2728             if (count++ > 0) {
2729                 Sleep(350);
2730                 osi_Log3(afsd_logp,
2731                          "RDR_OpenFileEntry repeating open check scp=0x%p userp=0x%p code=0x%x",
2732                          scp, userp, code);
2733             }
2734             code = cm_CheckNTOpen(scp, OpenCB->DesiredAccess, OpenCB->ShareAccess,
2735                                   OPEN_ALWAYS,
2736                                   OpenCB->ProcessId, OpenCB->Identifier,
2737                                   userp, &req, &ldp);
2738             if (code == 0)
2739                 code = RDR_CheckAccess(scp, userp, &req, OpenCB->DesiredAccess, &pResultCB->GrantedAccess);
2740             cm_CheckNTOpenDone(scp, userp, &req, &ldp);
2741         } while (count < 100 && (code == CM_ERROR_RETRY || code == CM_ERROR_WOULDBLOCK));
2742     }
2743
2744     /*
2745      * If we are restricting sharing, we should do so with a suitable
2746      * share lock.
2747      */
2748     if (code == 0 && scp->fileType == CM_SCACHETYPE_FILE && !(OpenCB->ShareAccess & FILE_SHARE_WRITE)) {
2749         cm_key_t key;
2750         LARGE_INTEGER LOffset, LLength;
2751         int sLockType;
2752
2753         LOffset.HighPart = SMB_FID_QLOCK_HIGH;
2754         LOffset.LowPart = SMB_FID_QLOCK_LOW;
2755         LLength.HighPart = 0;
2756         LLength.LowPart = SMB_FID_QLOCK_LENGTH;
2757
2758         /*
2759          * If we are not opening the file for writing, then we don't
2760          * try to get an exclusive lock.  No one else should be able to
2761          * get an exclusive lock on the file anyway, although someone
2762          * else can get a shared lock.
2763          */
2764         if ((OpenCB->ShareAccess & FILE_SHARE_READ) || !(OpenCB->DesiredAccess & AFS_ACCESS_WRITE))
2765         {
2766             sLockType = LOCKING_ANDX_SHARED_LOCK;
2767         } else {
2768             sLockType = 0;
2769         }
2770
2771         key = cm_GenerateKey(CM_SESSION_IFS, SMB_FID_QLOCK_PID, OpenCB->Identifier);
2772
2773         lock_ObtainWrite(&scp->rw);
2774         code = cm_Lock(scp, sLockType, LOffset, LLength, key, 0, userp, &req, NULL);
2775         lock_ReleaseWrite(&scp->rw);
2776
2777         if (code) {
2778             code = CM_ERROR_SHARING_VIOLATION;
2779             pResultCB->FileAccess = AFS_FILE_ACCESS_NOLOCK;
2780         } else {
2781             if (sLockType == LOCKING_ANDX_SHARED_LOCK)
2782                 pResultCB->FileAccess = AFS_FILE_ACCESS_SHARED;
2783             else
2784                 pResultCB->FileAccess = AFS_FILE_ACCESS_EXCLUSIVE;
2785         }
2786     } else {
2787         pResultCB->FileAccess = AFS_FILE_ACCESS_NOLOCK;
2788     }
2789
2790     cm_ReleaseUser(sysUserp);
2791     if (code == 0 && bHoldFid)
2792         RDR_FlagScpInUse( scp, FALSE );
2793     cm_ReleaseSCache(scp);
2794
2795     if (code) {
2796         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2797         (*ResultCB)->ResultStatus = status;
2798         osi_Log2(afsd_logp, "RDR_OpenFileEntry FAILURE code=0x%x status=0x%x",
2799                   code, status);
2800     } else {
2801         (*ResultCB)->ResultStatus = 0;
2802         (*ResultCB)->ResultBufferLength = sizeof( AFSFileOpenResultCB);
2803         osi_Log0(afsd_logp, "RDR_OpenFileEntry SUCCESS");
2804     }
2805     return;
2806 }
2807
2808 void
2809 RDR_ReleaseFileAccess( IN cm_user_t *userp,
2810                        IN AFSFileID FileId,
2811                        IN AFSFileAccessReleaseCB *ReleaseFileCB,
2812                        IN BOOL bWow64,
2813                        IN DWORD ResultBufferLength,
2814                        IN OUT AFSCommResult **ResultCB)
2815 {
2816     cm_key_t key;
2817     unsigned int sLockType;
2818     LARGE_INTEGER LOffset, LLength;
2819     cm_scache_t *scp = NULL;
2820     cm_fid_t    Fid;
2821     afs_uint32  code;
2822     cm_req_t    req;
2823     DWORD       status;
2824
2825     RDR_InitReq(&req);
2826     if ( bWow64 )
2827         req.flags |= CM_REQ_WOW64;
2828
2829     osi_Log4(afsd_logp, "RDR_ReleaseFileAccess File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
2830               FileId.Cell, FileId.Volume,
2831               FileId.Vnode, FileId.Unique);
2832
2833     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult));
2834     if (!(*ResultCB)) {
2835         osi_Log0(afsd_logp, "RDR_ReleaseFileAccess out of memory");
2836         return;
2837     }
2838
2839     memset( *ResultCB, '\0', sizeof( AFSCommResult));
2840
2841     if (ReleaseFileCB->FileAccess == AFS_FILE_ACCESS_NOLOCK)
2842         return;
2843
2844     /* Process the release */
2845     Fid.cell = FileId.Cell;
2846     Fid.volume = FileId.Volume;
2847     Fid.vnode = FileId.Vnode;
2848     Fid.unique = FileId.Unique;
2849     Fid.hash = FileId.Hash;
2850
2851     code = cm_GetSCache(&Fid, &scp, userp, &req);
2852     if (code) {
2853         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2854         (*ResultCB)->ResultStatus = status;
2855         osi_Log2(afsd_logp, "RDR_ReleaseFileAccess cm_GetSCache FID failure code=0x%x status=0x%x",
2856                   code, status);
2857         return;
2858     }
2859
2860     if (ReleaseFileCB->FileAccess == AFS_FILE_ACCESS_SHARED)
2861         sLockType = LOCKING_ANDX_SHARED_LOCK;
2862     else
2863         sLockType = 0;
2864
2865     key = cm_GenerateKey(CM_SESSION_IFS, SMB_FID_QLOCK_PID, ReleaseFileCB->Identifier);
2866
2867     LOffset.HighPart = SMB_FID_QLOCK_HIGH;
2868     LOffset.LowPart = SMB_FID_QLOCK_LOW;
2869     LLength.HighPart = 0;
2870     LLength.LowPart = SMB_FID_QLOCK_LENGTH;
2871
2872     lock_ObtainWrite(&scp->rw);
2873
2874     code = cm_SyncOp(scp, NULL, userp, &req, 0, CM_SCACHESYNC_LOCK);
2875     if (code == 0)
2876     {
2877         code = cm_Unlock(scp, sLockType, LOffset, LLength, key, 0, userp, &req);
2878
2879         cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_LOCK);
2880
2881         if (code == CM_ERROR_RANGE_NOT_LOCKED)
2882         {
2883             osi_Log3(afsd_logp, "RDR_ReleaseFileAccess Range Not Locked -- FileAccess 0x%x ProcessId 0x%x HandleId 0x%x",
2884                      ReleaseFileCB->FileAccess, ReleaseFileCB->ProcessId, ReleaseFileCB->Identifier);
2885         }
2886     }
2887
2888     lock_ReleaseWrite(&scp->rw);
2889
2890     osi_Log0(afsd_logp, "RDR_ReleaseFileAccessEntry SUCCESS");
2891 }
2892
2893 static const char *
2894 HexCheckSum(unsigned char * buf, int buflen, unsigned char * md5cksum)
2895 {
2896     int i, k;
2897     static char tr[16] = {'0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'};
2898
2899     if (buflen < 33)
2900         return "buffer length too small to HexCheckSum";
2901
2902     for (i=0;i<16;i++) {
2903         k = md5cksum[i];
2904
2905         buf[i*2] = tr[k / 16];
2906         buf[i*2+1] = tr[k % 16];
2907     }
2908     buf[32] = '\0';
2909
2910     return buf;
2911 }
2912
2913 /*
2914  * Extent requests from the file system are triggered when a file
2915  * page is not resident in the Windows cache.  The file system is
2916  * responsible for loading the page but cannot block the request
2917  * while doing so.  The AFS Redirector forwards the requests to
2918  * the AFS cache manager while indicating to Windows that the page
2919  * is not yet available.  A polling operation will then ensue with
2920  * the AFS Redirector issuing a RDR_RequestFileExtentsXXX call for
2921  * each poll attempt.  As each request is received and processed
2922  * by a separate worker thread in the service, this can lead to
2923  * contention by multiple threads attempting to claim the same
2924  * cm_buf_t objects.  Therefore, it is important that
2925  *
2926  *  (a) the service avoid processing more than one overlapping
2927  *      extent request at a time
2928  *  (b) background daemon processing be used to avoid blocking
2929  *      of ioctl threads
2930  *
2931  * Beginning with the 20091122 build of the redirector, the redirector
2932  * will not issue an additional RDR_RequestFileExtentsXXX call for
2933  * each poll request.  Instead, afsd_service is required to track
2934  * the requests and return them to the redirector or fail the
2935  * portions of the request that cannot be satisfied.
2936  *
2937  * The request processing returns any extents that can be returned
2938  * immediately to the redirector.  The rest of the requested range(s)
2939  * are queued as background operations using RDR_BkgFetch().
2940  */
2941
2942 /* do the background fetch. */
2943 afs_int32
2944 RDR_BkgFetch(cm_scache_t *scp, afs_uint32 p1, afs_uint32 p2, afs_uint32 p3, afs_uint32 p4,
2945              cm_user_t *userp, cm_req_t *reqp)
2946 {
2947     osi_hyper_t length;
2948     osi_hyper_t base;
2949     osi_hyper_t offset;
2950     osi_hyper_t end;
2951     osi_hyper_t fetched;
2952     osi_hyper_t tblocksize;
2953     afs_int32 code;
2954     int rwheld = 0;
2955     cm_buf_t *bufp = NULL;
2956     DWORD dwResultBufferLength;
2957     AFSSetFileExtentsCB *pResultCB;
2958     DWORD status;
2959     afs_uint32 count=0;
2960     AFSFileID FileId;
2961     int reportErrorToRedir = 0;
2962     int force_retry = 0;
2963
2964     FileId.Cell = scp->fid.cell;
2965     FileId.Volume = scp->fid.volume;
2966     FileId.Vnode = scp->fid.vnode;
2967     FileId.Unique = scp->fid.unique;
2968     FileId.Hash = scp->fid.hash;
2969
2970     if ((GetTickCount() - reqp->startTime) / 1000 > HardDeadtimeout * 5) {
2971         RDR_SetFileStatus( &scp->fid, &userp->authgroup, STATUS_IO_TIMEOUT);
2972         return 0;
2973     }
2974
2975     fetched.LowPart = 0;
2976     fetched.HighPart = 0;
2977     tblocksize = ConvertLongToLargeInteger(cm_data.buf_blockSize);
2978     base.LowPart = p1;
2979     base.HighPart = p2;
2980     length.LowPart = p3;
2981     length.HighPart = p4;
2982
2983     end = LargeIntegerAdd(base, length);
2984
2985     osi_Log5(afsd_logp, "Starting BKG Fetch scp 0x%p offset 0x%x:%x length 0x%x:%x",
2986              scp, p2, p1, p4, p3);
2987
2988     /*
2989      * Make sure we have a callback.
2990      * This is necessary so that we can return access denied
2991      * if a callback cannot be granted.
2992      */
2993     lock_ObtainWrite(&scp->rw);
2994     code = cm_SyncOp(scp, NULL, userp, reqp, PRSFS_READ,
2995                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2996     if (code) {
2997         lock_ReleaseWrite(&scp->rw);
2998         osi_Log2(afsd_logp, "RDR_BkgFetch cm_SyncOp failure scp=0x%p code=0x%x",
2999                  scp, code);
3000         smb_MapNTError(cm_MapRPCError(code, reqp), &status, TRUE);
3001         RDR_SetFileStatus( &scp->fid, &userp->authgroup, status);
3002         return code;
3003     }
3004     lock_ReleaseWrite(&scp->rw);
3005
3006     dwResultBufferLength = (DWORD)(sizeof( AFSSetFileExtentsCB) + sizeof( AFSSetFileExtentsCB) * (length.QuadPart / cm_data.blockSize + 1));
3007     pResultCB = (AFSSetFileExtentsCB *)malloc( dwResultBufferLength );
3008     if (!pResultCB)
3009         return CM_ERROR_RETRY;
3010
3011     memset( pResultCB, '\0', dwResultBufferLength );
3012     pResultCB->FileId = FileId;
3013
3014     for ( code = 0, offset = base;
3015           code == 0 && LargeIntegerLessThan(offset, end);
3016           offset = LargeIntegerAdd(offset, tblocksize) )
3017     {
3018         int bBufRelease = TRUE;
3019
3020         if (rwheld) {
3021             lock_ReleaseWrite(&scp->rw);
3022             rwheld = 0;
3023         }
3024
3025         code = buf_Get(scp, &offset, reqp, &bufp);
3026         if (code) {
3027             /*
3028              * any error from buf_Get() is non-fatal.
3029              * we need to re-queue this extent fetch.
3030              */
3031             force_retry = 1;
3032             break;
3033         }
3034
3035         if (!rwheld) {
3036             lock_ObtainWrite(&scp->rw);
3037             rwheld = 1;
3038         }
3039
3040         code = cm_GetBuffer(scp, bufp, NULL, userp, reqp);
3041         if (code == 0) {
3042             if (!(bufp->qFlags & CM_BUF_QREDIR)) {
3043 #ifdef VALIDATE_CHECK_SUM
3044 #ifdef ODS_DEBUG
3045                 char md5dbg[33];
3046                 char dbgstr[1024];
3047 #endif
3048 #endif
3049                 if (bufp->flags & CM_BUF_DIRTY)
3050                     cm_BufWrite(scp, &bufp->offset, cm_data.buf_blockSize, CM_BUF_WRITE_SCP_LOCKED, userp, reqp);
3051
3052                 lock_ObtainWrite(&buf_globalLock);
3053                 if (!(bufp->flags & CM_BUF_DIRTY) &&
3054                     bufp->cmFlags == 0 &&
3055                     !(bufp->qFlags & CM_BUF_QREDIR)) {
3056                     buf_InsertToRedirQueue(scp, bufp);
3057                     lock_ReleaseWrite(&buf_globalLock);
3058
3059 #ifdef VALIDATE_CHECK_SUM
3060                     buf_ComputeCheckSum(bufp);
3061 #endif
3062                     pResultCB->FileExtents[count].Flags = 0;
3063                     pResultCB->FileExtents[count].FileOffset.QuadPart = bufp->offset.QuadPart;
3064                     pResultCB->FileExtents[count].CacheOffset.QuadPart = bufp->datap - RDR_extentBaseAddress;
3065                     pResultCB->FileExtents[count].Length = cm_data.blockSize;
3066                     count++;
3067                     fetched = LargeIntegerAdd(fetched, tblocksize);
3068                     bBufRelease = FALSE;
3069
3070 #ifdef VALIDATE_CHECK_SUM
3071 #ifdef ODS_DEBUG
3072                     HexCheckSum(md5dbg, sizeof(md5dbg), bufp->md5cksum);
3073                     snprintf( dbgstr, 1024,
3074                               "RDR_BkgFetch md5 %s vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
3075                               md5dbg,
3076                               scp->fid.volume, scp->fid.vnode, scp->fid.unique,
3077                               pResultCB->FileExtents[count].FileOffset.HighPart,
3078                               pResultCB->FileExtents[count].FileOffset.LowPart,
3079                               pResultCB->FileExtents[count].CacheOffset.HighPart,
3080                               pResultCB->FileExtents[count].CacheOffset.LowPart);
3081                     OutputDebugStringA( dbgstr);
3082 #endif
3083 #endif
3084                     osi_Log4(afsd_logp, "RDR_BkgFetch Extent2FS 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                 } else {
3087                     lock_ReleaseWrite(&buf_globalLock);
3088                     if ((bufp->cmFlags != 0) || (bufp->flags & CM_BUF_DIRTY)) {
3089                         /* An I/O operation is already in progress */
3090                         force_retry = 1;
3091                         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",
3092                                   bufp, bufp->offset.QuadPart, bufp->datap - RDR_extentBaseAddress, cm_data.blockSize);
3093                     } else {
3094                         osi_Log4(afsd_logp, "RDR_BkgFetch Extent2FS Already held by Redirector bufp 0x%p foffset 0x%p coffset 0x%p len 0x%x",
3095                                   bufp, bufp->offset.QuadPart, bufp->datap - RDR_extentBaseAddress, cm_data.blockSize);
3096                     }
3097                 }
3098             } else {
3099                 osi_Log4(afsd_logp, "RDR_BkgFetch Extent2FS Already held by Redirector bufp 0x%p foffset 0x%p coffset 0x%p len 0x%x",
3100                           bufp, bufp->offset.QuadPart, bufp->datap - RDR_extentBaseAddress, cm_data.blockSize);
3101             }
3102         } else {
3103             /*
3104              * depending on what the error from cm_GetBuffer is
3105              * it may or may not be fatal.  Only return fatal errors.
3106              * Re-queue a request for others.
3107              */
3108             osi_Log5(afsd_logp, "RDR_BkgFetch Extent2FS FAILURE bufp 0x%p foffset 0x%p coffset 0x%p len 0x%x code 0x%x",
3109                       bufp, offset.QuadPart, bufp->datap - RDR_extentBaseAddress, cm_data.blockSize, code);
3110             switch (code) {
3111             case CM_ERROR_NOACCESS:
3112             case CM_ERROR_NOSUCHFILE:
3113             case CM_ERROR_NOSUCHPATH:
3114             case CM_ERROR_NOSUCHVOLUME:
3115             case CM_ERROR_NOSUCHCELL:
3116             case CM_ERROR_INVAL:
3117             case CM_ERROR_BADFD:
3118             case CM_ERROR_CLOCKSKEW:
3119             case RXKADNOAUTH:
3120             case CM_ERROR_QUOTA:
3121             case CM_ERROR_LOCK_CONFLICT:
3122                 /*
3123                  * these are fatal errors.  deliver what we can
3124                  * and halt.
3125                  */
3126                 reportErrorToRedir = 1;
3127                 break;
3128             default:
3129                 /*
3130                  * non-fatal errors.  re-queue the exent
3131                  */
3132                 code = CM_ERROR_RETRY;
3133                 force_retry = 1;
3134             }
3135         }
3136
3137         if (bBufRelease)
3138             buf_Release(bufp);
3139     }
3140
3141     if (!rwheld) {
3142         lock_ObtainWrite(&scp->rw);
3143         rwheld = 1;
3144     }
3145
3146     /* wakeup anyone who is waiting */
3147     if (scp->flags & CM_SCACHEFLAG_WAITING) {
3148         osi_Log1(afsd_logp, "RDR Bkg Fetch Waking scp 0x%p", scp);
3149         osi_Wakeup((LONG_PTR) &scp->flags);
3150     }
3151     lock_ReleaseWrite(&scp->rw);
3152
3153     if (count > 0) {
3154         pResultCB->ExtentCount = count;
3155         RDR_SetFileExtents( pResultCB, dwResultBufferLength);
3156     }
3157     free(pResultCB);
3158
3159     if (reportErrorToRedir) {
3160         smb_MapNTError(cm_MapRPCError(code, reqp), &status, TRUE);
3161         RDR_SetFileStatus( &scp->fid, &userp->authgroup, status);
3162     }
3163
3164     osi_Log4(afsd_logp, "Ending BKG Fetch scp 0x%p code 0x%x fetched 0x%x:%x",
3165              scp, code, fetched.HighPart, fetched.LowPart);
3166
3167     return force_retry ? CM_ERROR_RETRY : code;
3168 }
3169
3170
3171 BOOL
3172 RDR_RequestFileExtentsAsync( IN cm_user_t *userp,
3173                              IN AFSFileID FileId,
3174                              IN AFSRequestExtentsCB *RequestExtentsCB,
3175                              IN BOOL bWow64,
3176                              IN OUT DWORD * ResultBufferLength,
3177                              IN OUT AFSSetFileExtentsCB **ResultCB)
3178 {
3179     AFSSetFileExtentsCB *pResultCB = NULL;
3180     DWORD Length;
3181     DWORD count;
3182     DWORD status;
3183     cm_scache_t *scp = NULL;
3184     cm_fid_t    Fid;
3185     cm_buf_t    *bufp;
3186     afs_uint32  code = 0;
3187     osi_hyper_t thyper;
3188     LARGE_INTEGER ByteOffset, BeginOffset, EndOffset, QueueOffset;
3189     afs_uint32  QueueLength;
3190     cm_req_t    req;
3191     BOOLEAN     bBufRelease = TRUE;
3192
3193     RDR_InitReq(&req);
3194     if ( bWow64 )
3195         req.flags |= CM_REQ_WOW64;
3196     req.flags |= CM_REQ_NORETRY;
3197
3198     osi_Log4(afsd_logp, "RDR_RequestFileExtentsAsync File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
3199               FileId.Cell, FileId.Volume,
3200               FileId.Vnode, FileId.Unique);
3201     osi_Log4(afsd_logp, "... Flags 0x%x ByteOffset 0x%x:%x Length 0x%x",
3202              RequestExtentsCB->Flags,
3203              RequestExtentsCB->ByteOffset.HighPart, RequestExtentsCB->ByteOffset.LowPart,
3204              RequestExtentsCB->Length);
3205     Length = sizeof( AFSSetFileExtentsCB) + sizeof( AFSFileExtentCB) * (RequestExtentsCB->Length / cm_data.blockSize + 1);
3206
3207     pResultCB = *ResultCB = (AFSSetFileExtentsCB *)malloc( Length );
3208     if (*ResultCB == NULL) {
3209         *ResultBufferLength = 0;
3210         return FALSE;
3211     }
3212     *ResultBufferLength = Length;
3213
3214     memset( pResultCB, '\0', Length );
3215     pResultCB->FileId = FileId;
3216
3217     Fid.cell = FileId.Cell;
3218     Fid.volume = FileId.Volume;
3219     Fid.vnode = FileId.Vnode;
3220     Fid.unique = FileId.Unique;
3221     Fid.hash = FileId.Hash;
3222
3223     code = cm_GetSCache(&Fid, &scp, userp, &req);
3224     if (code) {
3225         osi_Log1(afsd_logp, "RDR_RequestFileExtentsAsync cm_GetSCache FID failure code=0x%x",
3226                   code);
3227         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
3228         return FALSE;
3229     }
3230
3231     /*
3232      * Make sure we have a callback.
3233      * This is necessary so that we can return access denied
3234      * if a callback cannot be granted.
3235      */
3236     lock_ObtainWrite(&scp->rw);
3237     code = cm_SyncOp(scp, NULL, userp, &req, PRSFS_READ,
3238                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
3239     lock_ReleaseWrite(&scp->rw);
3240     if (code) {
3241         cm_ReleaseSCache(scp);
3242         osi_Log2(afsd_logp, "RDR_RequestFileExtentsAsync cm_SyncOp failure scp=0x%p code=0x%x",
3243                  scp, code);
3244         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
3245         RDR_SetFileStatus( &scp->fid, &userp->authgroup, status);
3246         return FALSE;
3247     }
3248
3249     /* Allocate the extents from the buffer package */
3250     for ( count = 0,
3251           ByteOffset = BeginOffset = RequestExtentsCB->ByteOffset,
3252           EndOffset.QuadPart = ByteOffset.QuadPart + RequestExtentsCB->Length;
3253           code == 0 && ByteOffset.QuadPart < EndOffset.QuadPart;
3254           ByteOffset.QuadPart += cm_data.blockSize)
3255     {
3256         BOOL bHaveBuffer = FALSE;
3257
3258         QueueLength = 0;
3259         thyper.QuadPart = ByteOffset.QuadPart;
3260
3261         code = buf_Get(scp, &thyper, &req, &bufp);
3262         if (code == 0) {
3263             lock_ObtainMutex(&bufp->mx);
3264             bBufRelease = TRUE;
3265
3266             if (bufp->qFlags & CM_BUF_QREDIR) {
3267                 bHaveBuffer = TRUE;
3268             } else if (bufp->flags & CM_BUF_DIRTY) {
3269                 bHaveBuffer = FALSE;
3270 #if 0
3271                 code = buf_CleanAsyncLocked(scp, bufp, &req, 0, NULL);
3272                 switch (code) {
3273                 case 0:
3274                     bHaveBuffer = TRUE;
3275                     break;
3276                 case CM_ERROR_RETRY:
3277                     /* Couldn't flush it, obtain it asynchronously so we don't block the thread. */
3278                     bHaveBuffer = FALSE;
3279                     code = 0;
3280                     break;
3281                 default:
3282                     smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
3283                     RDR_SetFileStatus(&FileId, &userp->authgroup, status);
3284                     bHaveBuffer = FALSE;
3285                     code = 0;
3286                 }
3287 #endif
3288             } else {
3289                 osi_hyper_t minLength;  /* effective end of file */
3290
3291                 lock_ObtainRead(&scp->rw);
3292                 bHaveBuffer = cm_HaveBuffer(scp, bufp, TRUE);
3293
3294                 if (LargeIntegerGreaterThan(scp->length, scp->serverLength))
3295                     minLength = scp->serverLength;
3296                 else
3297                     minLength = scp->length;
3298
3299                 if (!bHaveBuffer &&
3300                     LargeIntegerGreaterThanOrEqualTo(bufp->offset, minLength)) {
3301                     memset(bufp->datap, 0, cm_data.buf_blockSize);
3302                     bufp->dataVersion = scp->dataVersion;
3303                     bHaveBuffer = TRUE;
3304                 }
3305                 else if ((RequestExtentsCB->Flags & AFS_EXTENT_FLAG_CLEAN) &&
3306                          ByteOffset.QuadPart <= bufp->offset.QuadPart &&
3307                          EndOffset.QuadPart >= bufp->offset.QuadPart + cm_data.blockSize)
3308                 {
3309                     memset(bufp->datap, 0, cm_data.blockSize);
3310                     bufp->dataVersion = scp->dataVersion;
3311                     buf_SetDirty(bufp, &req, 0, cm_data.blockSize, userp);
3312                     bHaveBuffer = TRUE;
3313                 }
3314                 lock_ReleaseRead(&scp->rw);
3315             }
3316
3317             /*
3318              * if this buffer is already up to date, skip it.
3319              */
3320             if (bHaveBuffer) {
3321                 if (ByteOffset.QuadPart == BeginOffset.QuadPart) {
3322                     BeginOffset.QuadPart += cm_data.blockSize;
3323                 } else {
3324                     QueueLength = (afs_uint32)(ByteOffset.QuadPart - BeginOffset.QuadPart);
3325                     QueueOffset = BeginOffset;
3326                     BeginOffset = ByteOffset;
3327                 }
3328
3329                 if (!(bufp->qFlags & CM_BUF_QREDIR)) {
3330 #ifdef VALIDATE_CHECK_SUM
3331 #ifdef ODS_DEBUG
3332                     char md5dbg[33];
3333                     char dbgstr[1024];
3334 #endif
3335 #endif
3336                     lock_ObtainWrite(&buf_globalLock);
3337                     if (!(bufp->qFlags & CM_BUF_QREDIR)) {
3338                         buf_InsertToRedirQueue(scp, bufp);
3339                         lock_ReleaseWrite(&buf_globalLock);
3340
3341 #ifdef VALIDATE_CHECK_SUM
3342                         buf_ComputeCheckSum(bufp);
3343 #endif
3344                         /* we already have the buffer, return it now */
3345                         pResultCB->FileExtents[count].Flags = 0;
3346                         pResultCB->FileExtents[count].FileOffset = ByteOffset;
3347                         pResultCB->FileExtents[count].CacheOffset.QuadPart = bufp->datap - RDR_extentBaseAddress;
3348                         pResultCB->FileExtents[count].Length = cm_data.blockSize;
3349                         count++;
3350
3351                         bBufRelease = FALSE;
3352
3353 #ifdef VALIDATE_CHECK_SUM
3354 #ifdef ODS_DEBUG
3355                         HexCheckSum(md5dbg, sizeof(md5dbg), bufp->md5cksum);
3356                         snprintf( dbgstr, 1024,
3357                                   "RDR_RequestFileExtentsAsync md5 %s vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
3358                                   md5dbg,
3359                                   scp->fid.volume, scp->fid.vnode, scp->fid.unique,
3360                                   pResultCB->FileExtents[count].FileOffset.HighPart,
3361                                   pResultCB->FileExtents[count].FileOffset.LowPart,
3362                                   pResultCB->FileExtents[count].CacheOffset.HighPart,
3363                                   pResultCB->FileExtents[count].CacheOffset.LowPart);
3364                         OutputDebugStringA( dbgstr);
3365 #endif
3366 #endif
3367                         osi_Log4(afsd_logp, "RDR_RequestFileExtentsAsync Extent2FS bufp 0x%p foffset 0x%p coffset 0x%p len 0x%x",
3368                                  bufp, ByteOffset.QuadPart, bufp->datap - RDR_extentBaseAddress, cm_data.blockSize);
3369                     } else {
3370                         lock_ReleaseWrite(&buf_globalLock);
3371                     }
3372                 } else {
3373                     if (bBufRelease) {
3374                         /*
3375                          * The service is not handing off the extent to the redirector in this pass.
3376                          * However, we know the buffer is in recent use so move the buffer to the
3377                          * front of the queue
3378                          */
3379                         lock_ObtainWrite(&buf_globalLock);
3380                         buf_MoveToHeadOfRedirQueue(scp, bufp);
3381                         lock_ReleaseWrite(&buf_globalLock);
3382
3383                         osi_Log4(afsd_logp, "RDR_RequestFileExtentsAsync Extent2FS Already held by Redirector bufp 0x%p foffset 0x%p coffset 0x%p len 0x%x",
3384                                  bufp, ByteOffset.QuadPart, bufp->datap - RDR_extentBaseAddress, cm_data.blockSize);
3385                     }
3386                 }
3387             }
3388             lock_ReleaseMutex(&bufp->mx);
3389             if (bBufRelease)
3390                 buf_Release(bufp);
3391
3392             if (QueueLength) {
3393                 cm_QueueBKGRequest(scp, RDR_BkgFetch, QueueOffset.LowPart, QueueOffset.HighPart,
3394                                    QueueLength, 0, userp, &req);
3395                 osi_Log3(afsd_logp, "RDR_RequestFileExtentsAsync Queued a Background Fetch offset 0x%x:%x length 0x%x",
3396                          QueueOffset.HighPart, QueueOffset.LowPart, QueueLength);
3397             }
3398         } else {
3399             /* No error from buf_Get() can be fatal */
3400             osi_Log3(afsd_logp, "RDR_RequestFileExtentsAsync buf_Get FAILURE offset 0x%x:%x code 0x%x",
3401                      BeginOffset.HighPart, BeginOffset.LowPart, code);
3402         }
3403     }
3404
3405     if (BeginOffset.QuadPart != EndOffset.QuadPart) {
3406         afs_uint32 length = (afs_uint32)(EndOffset.QuadPart - BeginOffset.QuadPart);
3407
3408         cm_QueueBKGRequest(scp, RDR_BkgFetch, BeginOffset.LowPart, BeginOffset.HighPart,
3409                            length, 0, userp, &req);
3410         osi_Log3(afsd_logp, "RDR_RequestFileExtentsAsync Queued a Background Fetch offset 0x%x:%x length 0x%x",
3411                   BeginOffset.HighPart, BeginOffset.LowPart, length);
3412     }
3413     cm_ReleaseSCache(scp);
3414
3415     (*ResultCB)->ExtentCount = count;
3416     osi_Log1(afsd_logp, "RDR_RequestFileExtentsAsync replying with 0x%x extent records", count);
3417     return FALSE;
3418 }
3419
3420 /*
3421  * When processing an extent release the extents must be accepted back by
3422  * the service even if there is an error condition returned to the redirector.
3423  * For example, there may no longer be a callback present or the file may
3424  * have been deleted on the file server.  Regardless, the extents must be
3425  * put back into the pool.
3426  */
3427 void
3428 RDR_ReleaseFileExtents( IN cm_user_t *userp,
3429                         IN AFSFileID FileId,
3430                         IN AFSReleaseExtentsCB *ReleaseExtentsCB,
3431                         IN BOOL bWow64,
3432                         IN DWORD ResultBufferLength,
3433                         IN OUT AFSCommResult **ResultCB)
3434 {
3435     DWORD count;
3436     cm_scache_t *scp = NULL;
3437     cm_fid_t    Fid;
3438     cm_buf_t    *bufp;
3439     afs_uint32  code;
3440     osi_hyper_t thyper;
3441     cm_req_t    req;
3442     int         dirty = 0;
3443     int         released = 0;
3444     int         deleted = 0;
3445     DWORD       status;
3446 #ifdef ODS_DEBUG
3447 #ifdef VALIDATE_CHECK_SUM
3448     char md5dbg[33], md5dbg2[33], md5dbg3[33];
3449 #endif
3450     char dbgstr[1024];
3451 #endif
3452
3453     RDR_InitReq(&req);
3454     if ( bWow64 )
3455         req.flags |= CM_REQ_WOW64;
3456
3457     osi_Log4(afsd_logp, "RDR_ReleaseFileExtents File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
3458               FileId.Cell, FileId.Volume,
3459               FileId.Vnode, FileId.Unique);
3460
3461     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult));
3462     if (!(*ResultCB))
3463         return;
3464
3465     memset( *ResultCB,
3466             '\0',
3467             sizeof( AFSCommResult));
3468
3469     /* Process the release */
3470     Fid.cell = FileId.Cell;
3471     Fid.volume = FileId.Volume;
3472     Fid.vnode = FileId.Vnode;
3473     Fid.unique = FileId.Unique;
3474     Fid.hash = FileId.Hash;
3475
3476     code = cm_GetSCache(&Fid, &scp, userp, &req);
3477     if (code) {
3478         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
3479         (*ResultCB)->ResultStatus = status;
3480         osi_Log2(afsd_logp, "RDR_ReleaseFileExtents cm_GetSCache FID failure code=0x%x status=0x%x",
3481                   code, status);
3482     }
3483
3484     deleted = scp && (scp->flags & CM_SCACHEFLAG_DELETED);
3485
3486     /*
3487      * We do not stop processing as a result of being unable to find the cm_scache object.
3488      * If this occurs something really bad has happened since the cm_scache object must have
3489      * been recycled while extents were held by the redirector.  However, we will be resilient
3490      * and carry on without it.
3491      *
3492      * If the file is known to be deleted, there is no point attempting to ask the
3493      * file server about it or update the attributes.
3494      */
3495     if (scp && ReleaseExtentsCB->AllocationSize.QuadPart != scp->length.QuadPart &&
3496         !deleted)
3497     {
3498         cm_attr_t setAttr;
3499
3500         memset(&setAttr, 0, sizeof(cm_attr_t));
3501         lock_ObtainWrite(&scp->rw);
3502         if (ReleaseExtentsCB->AllocationSize.QuadPart != scp->length.QuadPart) {
3503
3504             osi_Log4(afsd_logp, "RDR_ReleaseFileExtents new length fid vol 0x%x vno 0x%x length 0x%x:%x",
3505                       scp->fid.volume, scp->fid.vnode,
3506                       ReleaseExtentsCB->AllocationSize.HighPart,
3507                       ReleaseExtentsCB->AllocationSize.LowPart);
3508
3509             setAttr.mask |= CM_ATTRMASK_LENGTH;
3510             setAttr.length.LowPart = ReleaseExtentsCB->AllocationSize.LowPart;
3511             setAttr.length.HighPart = ReleaseExtentsCB->AllocationSize.HighPart;
3512         }
3513         lock_ReleaseWrite(&scp->rw);
3514         if (setAttr.mask)
3515             code = cm_SetAttr(scp, &setAttr, userp, &req);
3516     }
3517
3518     for ( count = 0; count < ReleaseExtentsCB->ExtentCount; count++) {
3519         AFSFileExtentCB * pExtent = &ReleaseExtentsCB->FileExtents[count];
3520
3521         thyper.QuadPart = pExtent->FileOffset.QuadPart;
3522
3523         bufp = buf_Find(&Fid, &thyper);
3524         if (bufp) {
3525             if (pExtent->Flags & AFS_EXTENT_FLAG_UNKNOWN) {
3526                 if (!(bufp->qFlags & CM_BUF_QREDIR)) {
3527                     osi_Log4(afsd_logp, "RDR_ReleaseFileExtents extent vol 0x%x vno 0x%x foffset 0x%x:%x",
3528                               Fid.volume, Fid.vnode,
3529                               pExtent->FileOffset.HighPart,
3530                               pExtent->FileOffset.LowPart);
3531                     osi_Log2(afsd_logp, "... coffset 0x%x:%x UNKNOWN to redirector; previously released",
3532                               pExtent->CacheOffset.HighPart,
3533                               pExtent->CacheOffset.LowPart);
3534                 } else {
3535                     osi_Log4(afsd_logp, "RDR_ReleaseFileExtents extent vol 0x%x vno 0x%x foffset 0x%x:%x",
3536                               Fid.volume, Fid.vnode,
3537                               pExtent->FileOffset.HighPart,
3538                               pExtent->FileOffset.LowPart);
3539                     osi_Log2(afsd_logp, "... coffset 0x%x:%x UNKNOWN to redirector; owned by redirector",
3540                               pExtent->CacheOffset.HighPart,
3541                               pExtent->CacheOffset.LowPart);
3542                 }
3543                 buf_Release(bufp);
3544                 continue;
3545             }
3546
3547             if (pExtent->Flags & AFS_EXTENT_FLAG_IN_USE) {
3548                 osi_Log4(afsd_logp, "RDR_ReleaseFileExtents extent vol 0x%x vno 0x%x foffset 0x%x:%x",
3549                           Fid.volume, Fid.vnode,
3550                           pExtent->FileOffset.HighPart,
3551                           pExtent->FileOffset.LowPart);
3552                 osi_Log2(afsd_logp, "... coffset 0x%x:%x IN_USE by file system",
3553                           pExtent->CacheOffset.HighPart,
3554                           pExtent->CacheOffset.LowPart);
3555
3556                 /* Move the buffer to the front of the queue */
3557                 lock_ObtainWrite(&buf_globalLock);
3558                 buf_MoveToHeadOfRedirQueue(scp, bufp);
3559                 lock_ReleaseWrite(&buf_globalLock);
3560                 buf_Release(bufp);
3561                 continue;
3562             }
3563
3564             if (bufp->datap - RDR_extentBaseAddress == pExtent->CacheOffset.QuadPart) {
3565                 if (!(bufp->qFlags & CM_BUF_QREDIR)) {
3566                     osi_Log4(afsd_logp, "RDR_ReleaseFileExtents extent vol 0x%x vno 0x%x foffset 0x%x:%x not held by file system",
3567                              Fid.volume, Fid.vnode, pExtent->FileOffset.HighPart,
3568                              pExtent->FileOffset.LowPart);
3569                     osi_Log2(afsd_logp, "... coffset 0x%x:%x",
3570                              pExtent->CacheOffset.HighPart,
3571                              pExtent->CacheOffset.LowPart);
3572                 } else {
3573                     osi_Log4(afsd_logp, "RDR_ReleaseFileExtents bufp 0x%p vno 0x%x foffset 0x%x:%x",
3574                               bufp, bufp->fid.vnode, pExtent->FileOffset.HighPart,
3575                               pExtent->FileOffset.LowPart);
3576                     osi_Log2(afsd_logp, "... coffset 0x%x:%x",
3577                              pExtent->CacheOffset.HighPart,
3578                              pExtent->CacheOffset.LowPart);
3579
3580                     if (pExtent->Flags || ReleaseExtentsCB->Flags) {
3581                         lock_ObtainMutex(&bufp->mx);
3582                         if ( (ReleaseExtentsCB->Flags & AFS_EXTENT_FLAG_RELEASE) ||
3583                              (pExtent->Flags & AFS_EXTENT_FLAG_RELEASE) )
3584                         {
3585                             if (bufp->qFlags & CM_BUF_QREDIR) {
3586                                 lock_ObtainWrite(&buf_globalLock);
3587                                 if (bufp->qFlags & CM_BUF_QREDIR) {
3588                                     buf_RemoveFromRedirQueue(scp, bufp);
3589                                     buf_ReleaseLocked(bufp, TRUE);
3590                                 }
3591                                 lock_ReleaseWrite(&buf_globalLock);
3592                             }
3593 #ifdef ODS_DEBUG
3594                             snprintf( dbgstr, 1024,
3595                                       "RDR_ReleaseFileExtents releasing: vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
3596                                       Fid.volume, Fid.vnode, Fid.unique,
3597                                       pExtent->FileOffset.HighPart,
3598                                       pExtent->FileOffset.LowPart,
3599                                       pExtent->CacheOffset.HighPart,
3600                                       pExtent->CacheOffset.LowPart);
3601                             OutputDebugStringA( dbgstr);
3602 #endif
3603                             released++;
3604                         } else {
3605 #ifdef ODS_DEBUG
3606                             snprintf( dbgstr, 1024,
3607                                       "RDR_ReleaseFileExtents not releasing: vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
3608                                       Fid.volume, Fid.vnode, Fid.unique,
3609                                       pExtent->FileOffset.HighPart,
3610                                       pExtent->FileOffset.LowPart,
3611                                       pExtent->CacheOffset.HighPart,
3612                                       pExtent->CacheOffset.LowPart);
3613                             OutputDebugStringA( dbgstr);
3614 #endif
3615                             osi_Log4( afsd_logp, "RDR_ReleaseFileExtents not releasing vol 0x%x vno 0x%x foffset 0x%x:%x",
3616                                       Fid.volume, Fid.vnode,
3617                                       pExtent->FileOffset.HighPart,
3618                                       pExtent->FileOffset.LowPart);
3619                             osi_Log2( afsd_logp, "... coffset 0x%x:%x",
3620                                       pExtent->CacheOffset.HighPart,
3621                                       pExtent->CacheOffset.LowPart);
3622                         }
3623
3624                         if ( (ReleaseExtentsCB->Flags & AFS_EXTENT_FLAG_DIRTY) ||
3625                              (pExtent->Flags & AFS_EXTENT_FLAG_DIRTY) )
3626                         {
3627 #ifdef VALIDATE_CHECK_SUM
3628 #ifdef ODS_DEBUG
3629                             HexCheckSum(md5dbg, sizeof(md5dbg), bufp->md5cksum);
3630 #endif
3631
3632                             /*
3633                              * if the saved checksum matches the checksum of the current state of the buffer
3634                              * then the buffer is the same as what was given to the kernel.
3635                              */
3636                             if ( buf_ValidateCheckSum(bufp) ) {
3637                                 buf_ComputeCheckSum(bufp);
3638
3639                                 if (pExtent->Flags & AFS_EXTENT_FLAG_MD5_SET)
3640                                 {
3641 #ifdef ODS_DEBUG
3642                                     HexCheckSum(md5dbg2, sizeof(md5dbg2), pExtent->MD5);
3643                                     HexCheckSum(md5dbg3, sizeof(md5dbg3), bufp->md5cksum);
3644 #endif
3645                                     if (memcmp(bufp->md5cksum, pExtent->MD5, 16))
3646                                     {
3647 #ifdef ODS_DEBUG
3648                                         snprintf( dbgstr, 1024,
3649                                                   "RDR_ReleaseFileExtents dirty flag set but not dirty and user != kernel: old %s kernel %s new %s vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
3650                                                   md5dbg, md5dbg2,md5dbg3,
3651                                                   Fid.volume, Fid.vnode, Fid.unique,
3652                                                   pExtent->FileOffset.HighPart,
3653                                                   pExtent->FileOffset.LowPart,
3654                                                   pExtent->CacheOffset.HighPart,
3655                                                   pExtent->CacheOffset.LowPart);
3656                                         OutputDebugStringA( dbgstr);
3657 #endif
3658                                         osi_Log4( afsd_logp, "RDR_ReleaseFileExtents dirty flag set and checksums do not match! vol 0x%x vno 0x%x foffset 0x%x:%x",
3659                                                   Fid.volume, Fid.vnode,
3660                                                   pExtent->FileOffset.HighPart,
3661                                                   pExtent->FileOffset.LowPart);
3662                                         osi_Log2( afsd_logp, "... coffset 0x%x:%x",
3663                                                   pExtent->CacheOffset.HighPart,
3664                                                   pExtent->CacheOffset.LowPart);
3665                                         buf_SetDirty(bufp, &req, pExtent->DirtyOffset, pExtent->DirtyLength, userp);
3666                                         dirty++;
3667                                     } else {
3668 #ifdef ODS_DEBUG
3669                                         snprintf( dbgstr, 1024,
3670                                                   "RDR_ReleaseFileExtents dirty flag set but not dirty and user == kernel: old %s kernel %s new %s vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
3671                                                   md5dbg, md5dbg2, md5dbg3,
3672                                                   Fid.volume, Fid.vnode, Fid.unique,
3673                                                   pExtent->FileOffset.HighPart,
3674                                                   pExtent->FileOffset.LowPart,
3675                                                   pExtent->CacheOffset.HighPart,
3676                                                   pExtent->CacheOffset.LowPart);
3677                                         OutputDebugStringA( dbgstr);
3678 #endif
3679                                         osi_Log4( afsd_logp, "RDR_ReleaseFileExtents dirty flag set but extent has not changed vol 0x%x vno 0x%x foffset 0x%x:%x",
3680                                                   Fid.volume, Fid.vnode,
3681                                                   pExtent->FileOffset.HighPart,
3682                                                   pExtent->FileOffset.LowPart);
3683                                         osi_Log2( afsd_logp, "... coffset 0x%x:%x",
3684                                                   pExtent->CacheOffset.HighPart,
3685                                                   pExtent->CacheOffset.LowPart);
3686                                     }
3687                                 } else {
3688 #ifdef ODS_DEBUG
3689                                         snprintf( dbgstr, 1024,
3690                                                   "RDR_ReleaseFileExtents dirty flag set but not dirty: vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
3691                                                   Fid.volume, Fid.vnode, Fid.unique,
3692                                                   pExtent->FileOffset.HighPart,
3693                                                   pExtent->FileOffset.LowPart,
3694                                                   pExtent->CacheOffset.HighPart,
3695                                                   pExtent->CacheOffset.LowPart);
3696                                         OutputDebugStringA( dbgstr);
3697 #endif
3698                                         osi_Log4( afsd_logp, "RDR_ReleaseFileExtents dirty flag set but extent has not changed vol 0x%x vno 0x%x foffset 0x%x:%x",
3699                                                   Fid.volume, Fid.vnode,
3700                                                   pExtent->FileOffset.HighPart,
3701                                                   pExtent->FileOffset.LowPart);
3702                                         osi_Log2( afsd_logp, "... coffset 0x%x:%x",
3703                                                   pExtent->CacheOffset.HighPart,
3704                                                   pExtent->CacheOffset.LowPart);
3705                                 }
3706                             } else {
3707                                 buf_ComputeCheckSum(bufp);
3708 #ifdef ODS_DEBUG
3709                                 if (pExtent->Flags & AFS_EXTENT_FLAG_MD5_SET)
3710                                 {
3711                                     HexCheckSum(md5dbg3, sizeof(md5dbg3), bufp->md5cksum);
3712                                     if (memcmp(bufp->md5cksum, pExtent->MD5, 16))
3713                                     {
3714                                         snprintf( dbgstr, 1024,
3715                                                   "RDR_ReleaseFileExtents dirty flag set and dirty and user != kernel: old %s kernel %s new %s vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
3716                                                   md5dbg, md5dbg2,md5dbg3,
3717                                                   Fid.volume, Fid.vnode, Fid.unique,
3718                                                   pExtent->FileOffset.HighPart,
3719                                                   pExtent->FileOffset.LowPart,
3720                                                   pExtent->CacheOffset.HighPart,
3721                                                   pExtent->CacheOffset.LowPart);
3722                                         OutputDebugStringA( dbgstr);
3723                                     } else {
3724                                         snprintf( dbgstr, 1024,
3725                                                   "RDR_ReleaseFileExtents dirty flag set and dirty and user == kernel: old %s kernel %s new %s vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
3726                                                   md5dbg, md5dbg2,md5dbg3,
3727                                                   Fid.volume, Fid.vnode, Fid.unique,
3728                                                   pExtent->FileOffset.HighPart,
3729                                                   pExtent->FileOffset.LowPart,
3730                                                   pExtent->CacheOffset.HighPart,
3731                                                   pExtent->CacheOffset.LowPart);
3732                                         OutputDebugStringA( dbgstr);
3733                                     }
3734                                 } else {
3735                                     snprintf( dbgstr, 1024,
3736                                               "RDR_ReleaseFileExtents dirty flag set: vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
3737                                               Fid.volume, Fid.vnode, Fid.unique,
3738                                               pExtent->FileOffset.HighPart,
3739                                               pExtent->FileOffset.LowPart,
3740                                               pExtent->CacheOffset.HighPart,
3741                                               pExtent->CacheOffset.LowPart);
3742                                     OutputDebugStringA( dbgstr);
3743                                 }
3744 #endif
3745                                 buf_SetDirty(bufp, &req, pExtent->DirtyOffset, pExtent->DirtyLength, userp);
3746                                 dirty++;
3747                             }
3748 #else /* !VALIDATE_CHECK_SUM */
3749                             buf_SetDirty(bufp, &req, pExtent->DirtyOffset, pExtent->DirtyLength, userp);
3750                             dirty++;
3751 #endif /* VALIDATE_CHECK_SUM */
3752                         }
3753 #ifdef VALIDATE_CHECK_SUM
3754                         else {
3755 #ifdef ODS_DEBUG
3756                             HexCheckSum(md5dbg, sizeof(md5dbg), bufp->md5cksum);
3757 #endif
3758                             if ( !buf_ValidateCheckSum(bufp) ) {
3759                                 buf_ComputeCheckSum(bufp);
3760 #ifdef ODS_DEBUG
3761                                 HexCheckSum(md5dbg3, sizeof(md5dbg2), bufp->md5cksum);
3762                                 snprintf( dbgstr, 1024,
3763                                           "RDR_ReleaseFileExtents dirty flag not set but dirty! old %s new %s vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
3764                                           md5dbg, md5dbg3,
3765                                           Fid.volume, Fid.vnode, Fid.unique,
3766                                           pExtent->FileOffset.HighPart,
3767                                           pExtent->FileOffset.LowPart,
3768                                           pExtent->CacheOffset.HighPart,
3769                                           pExtent->CacheOffset.LowPart);
3770                                 OutputDebugStringA( dbgstr);
3771 #endif
3772                                 osi_Log4( afsd_logp, "RDR_ReleaseFileExtents dirty flag not set but extent has changed vol 0x%x vno 0x%x foffset 0x%x:%x",
3773                                           Fid.volume, Fid.vnode,
3774                                           pExtent->FileOffset.HighPart,
3775                                           pExtent->FileOffset.LowPart);
3776                                 osi_Log2( afsd_logp, "... coffset 0x%x:%x",
3777                                           pExtent->CacheOffset.HighPart,
3778                                           pExtent->CacheOffset.LowPart);
3779                                 buf_SetDirty(bufp, &req, pExtent->DirtyOffset, pExtent->DirtyLength, userp);
3780                                 dirty++;
3781                             } else {
3782                                 buf_ComputeCheckSum(bufp);
3783 #ifdef ODS_DEBUG
3784                                 HexCheckSum(md5dbg3, sizeof(md5dbg2), bufp->md5cksum);
3785                                 snprintf( dbgstr, 1024,
3786                                           "RDR_ReleaseFileExtents dirty flag not set: vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
3787                                           Fid.volume, Fid.vnode, Fid.unique,
3788                                           pExtent->FileOffset.HighPart,
3789                                           pExtent->FileOffset.LowPart,
3790                                           pExtent->CacheOffset.HighPart,
3791                                           pExtent->CacheOffset.LowPart);
3792                                 OutputDebugStringA( dbgstr);
3793 #endif
3794                                 osi_Log4( afsd_logp, "RDR_ReleaseFileExtents dirty flag not set: vol 0x%x vno 0x%x foffset 0x%x:%x",
3795                                           Fid.volume, Fid.vnode,
3796                                           pExtent->FileOffset.HighPart,
3797                                           pExtent->FileOffset.LowPart);
3798                                 osi_Log2( afsd_logp, "... coffset 0x%x:%x",
3799                                           pExtent->CacheOffset.HighPart,
3800                                           pExtent->CacheOffset.LowPart);
3801                             }
3802                         }
3803 #endif /* VALIDATE_CHECK_SUM */
3804                         lock_ReleaseMutex(&bufp->mx);
3805                     }
3806                 }
3807             }
3808             else {
3809                 char * datap = RDR_extentBaseAddress + pExtent->CacheOffset.QuadPart;
3810                 cm_buf_t *wbp;
3811
3812                 for (wbp = cm_data.buf_allp; wbp; wbp = wbp->allp) {
3813                     if (wbp->datap == datap)
3814                         break;
3815                 }
3816
3817 #ifdef ODS_DEBUG
3818                 snprintf( dbgstr, 1024,
3819                           "RDR_ReleaseFileExtents non-matching extent vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
3820                           Fid.volume, Fid.vnode, Fid.unique,
3821                           pExtent->FileOffset.HighPart,
3822                           pExtent->FileOffset.LowPart,
3823                           pExtent->CacheOffset.HighPart,
3824                           pExtent->CacheOffset.LowPart);
3825                 OutputDebugStringA( dbgstr);
3826 #endif
3827                 osi_Log4( afsd_logp, "RDR_ReleaseFileExtents non-matching extent vol 0x%x vno 0x%x foffset 0x%x:%x",
3828                           Fid.volume, Fid.vnode,
3829                           pExtent->FileOffset.HighPart,
3830                           pExtent->FileOffset.LowPart);
3831                 osi_Log2( afsd_logp, "... coffset 0x%x:%x",
3832                           pExtent->CacheOffset.HighPart,
3833                           pExtent->CacheOffset.LowPart);
3834                 osi_Log5( afsd_logp, "... belongs to bp 0x%p vol 0x%x vno 0x%x foffset 0x%x:%x",
3835                           wbp, wbp->fid.volume, wbp->fid.vnode, wbp->offset.HighPart, wbp->offset.LowPart);
3836 #ifdef DEBUG
3837                 DebugBreak();
3838 #endif
3839             }
3840             buf_Release(bufp);
3841         }
3842         else {
3843             char * datap = RDR_extentBaseAddress + pExtent->CacheOffset.QuadPart;
3844             cm_buf_t *wbp;
3845
3846             for (wbp = cm_data.buf_allp; wbp; wbp = wbp->allp) {
3847                 if (wbp->datap == datap)
3848                     break;
3849             }
3850
3851 #ifdef ODS_DEBUG
3852             snprintf( dbgstr, 1024,
3853                       "RDR_ReleaseFileExtents unknown extent vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
3854                       Fid.volume, Fid.vnode, Fid.unique,
3855                       pExtent->FileOffset.HighPart,
3856                       pExtent->FileOffset.LowPart,
3857                       pExtent->CacheOffset.HighPart,
3858                       pExtent->CacheOffset.LowPart);
3859             OutputDebugStringA( dbgstr);
3860 #endif
3861             osi_Log4( afsd_logp, "RDR_ReleaseFileExtents unknown extent vol 0x%x vno 0x%x foffset 0x%x:%x",
3862                       Fid.volume, Fid.vnode,
3863                       pExtent->FileOffset.HighPart,
3864                       pExtent->FileOffset.LowPart);
3865             osi_Log2( afsd_logp, "... coffset 0x%x:%x",
3866                       pExtent->CacheOffset.HighPart,
3867                       pExtent->CacheOffset.LowPart);
3868             osi_Log5( afsd_logp, "... belongs to bp 0x%p vol 0x%x vno 0x%x foffset 0x%x:%x",
3869                       wbp, wbp->fid.volume, wbp->fid.vnode, wbp->offset.HighPart, wbp->offset.LowPart);
3870         }
3871     }
3872
3873     if (scp) {
3874         if (ReleaseExtentsCB->Flags & AFS_EXTENT_FLAG_FLUSH) {
3875             lock_ObtainWrite(&scp->rw);
3876             code = cm_SyncOp(scp, NULL, userp, &req, PRSFS_WRITE,
3877                              CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
3878             lock_ReleaseWrite(&scp->rw);
3879             if (code == 0)
3880                 code = cm_FSync(scp, userp, &req, FALSE);
3881         }
3882         else if (dirty) {
3883             osi_hyper_t offset = {0,0};
3884             afs_uint32  length = 0;
3885             afs_uint32  rights = 0;
3886
3887             lock_ObtainWrite(&scp->rw);
3888             code = cm_SyncOp(scp, NULL, userp, &req, PRSFS_WRITE,
3889                              CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
3890             lock_ReleaseWrite(&scp->rw);
3891             if (code == 0) {
3892                 /*
3893                  * there is at least one dirty extent on this file.  queue up background store
3894                  * requests for contiguous blocks
3895                  */
3896                 for ( count = 0; count < ReleaseExtentsCB->ExtentCount; count++) {
3897                     if (ReleaseExtentsCB->FileExtents[count].FileOffset.QuadPart == offset.QuadPart + length &&
3898                          length + cm_data.buf_blockSize <= cm_chunkSize)
3899                     {
3900                         length += cm_data.buf_blockSize;
3901                     } else {
3902                         if (!(offset.QuadPart == 0 && length == 0))
3903                             cm_QueueBKGRequest(scp, cm_BkgStore, offset.LowPart, offset.HighPart,
3904                                                 length, 0, userp, &req);
3905                         offset.QuadPart = ReleaseExtentsCB->FileExtents[count].FileOffset.QuadPart;
3906                         length = cm_data.buf_blockSize;
3907                     }
3908                 }
3909                 cm_QueueBKGRequest(scp, cm_BkgStore, offset.LowPart, offset.HighPart,
3910                                    length, 0, userp, &req);
3911             }
3912         }
3913         cm_ReleaseSCache(scp);
3914     }
3915
3916     osi_Log5(afsd_logp, "RDR_ReleaseFileExtents File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x Released %d",
3917               FileId.Cell, FileId.Volume,
3918               FileId.Vnode, FileId.Unique, released);
3919     if (code && code != CM_ERROR_WOULDBLOCK) {
3920         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
3921         (*ResultCB)->ResultStatus = status;
3922         osi_Log2(afsd_logp, "RDR_ReleaseFileExtents FAILURE code=0x%x status=0x%x",
3923                   code, status);
3924     } else {
3925         (*ResultCB)->ResultStatus = 0;
3926         osi_Log0(afsd_logp, "RDR_ReleaseFileExtents SUCCESS");
3927     }
3928     (*ResultCB)->ResultBufferLength = 0;
3929
3930     return;
3931 }
3932
3933 DWORD
3934 RDR_ProcessReleaseFileExtentsResult( IN AFSReleaseFileExtentsResultCB *ReleaseFileExtentsResultCB,
3935                                      IN DWORD ResultBufferLength)
3936 {
3937     afs_uint32  code = 0;
3938     cm_req_t    req;
3939     osi_hyper_t thyper;
3940     cm_buf_t    *bufp;
3941     unsigned int fileno, extentno, total_extents = 0;
3942     AFSReleaseFileExtentsResultFileCB *pNextFileCB;
3943 #ifdef ODS_DEBUG
3944 #ifdef VALIDATE_CHECK_SUM
3945     char md5dbg[33], md5dbg2[33], md5dbg3[33];
3946 #endif
3947     char dbgstr[1024];
3948 #endif
3949     RDR_InitReq(&req);
3950
3951     for ( fileno = 0, pNextFileCB = &ReleaseFileExtentsResultCB->Files[0];
3952           fileno < ReleaseFileExtentsResultCB->FileCount;
3953           fileno++ ) {
3954         AFSReleaseFileExtentsResultFileCB *pFileCB = pNextFileCB;
3955         cm_user_t       *userp = NULL;
3956         cm_fid_t         Fid;
3957         cm_scache_t *    scp = NULL;
3958         int              dirty = 0;
3959         int              released = 0;
3960         int              deleted = 0;
3961         char * p;
3962
3963         userp = RDR_UserFromAuthGroup( &pFileCB->AuthGroup);
3964
3965         osi_Log4(afsd_logp, "RDR_ProcessReleaseFileExtentsResult %d.%d.%d.%d",
3966                   pFileCB->FileId.Cell, pFileCB->FileId.Volume,
3967                   pFileCB->FileId.Vnode, pFileCB->FileId.Unique);
3968
3969         /* Process the release */
3970         Fid.cell = pFileCB->FileId.Cell;
3971         Fid.volume = pFileCB->FileId.Volume;
3972         Fid.vnode = pFileCB->FileId.Vnode;
3973         Fid.unique = pFileCB->FileId.Unique;
3974         Fid.hash = pFileCB->FileId.Hash;
3975
3976         if (Fid.cell == 0) {
3977             osi_Log4(afsd_logp, "RDR_ProcessReleaseFileExtentsResult Invalid FID %d.%d.%d.%d",
3978                      Fid.cell, Fid.volume, Fid.vnode, Fid.unique);
3979             code = CM_ERROR_INVAL;
3980             goto cleanup_file;
3981         }
3982
3983         code = cm_GetSCache(&Fid, &scp, userp, &req);
3984         if (code) {
3985             osi_Log1(afsd_logp, "RDR_ProcessReleaseFileExtentsResult cm_GetSCache FID failure code=0x%x",
3986                      code);
3987             /*
3988              * A failure to find the cm_scache object cannot prevent the service
3989              * from accepting the extents back from the redirector.
3990              */
3991         }
3992
3993         deleted = scp && (scp->flags & CM_SCACHEFLAG_DELETED);
3994
3995         /* if the scp was not found, do not perform the length check */
3996         if (scp && (pFileCB->AllocationSize.QuadPart != scp->length.QuadPart)) {
3997             cm_attr_t setAttr;
3998
3999             memset(&setAttr, 0, sizeof(cm_attr_t));
4000             lock_ObtainWrite(&scp->rw);
4001             if (pFileCB->AllocationSize.QuadPart != scp->length.QuadPart) {
4002                 osi_Log4(afsd_logp, "RDR_ReleaseFileExtentsResult length change vol 0x%x vno 0x%x length 0x%x:%x",
4003                           scp->fid.volume, scp->fid.vnode,
4004                           pFileCB->AllocationSize.HighPart,
4005                           pFileCB->AllocationSize.LowPart);
4006                 setAttr.mask |= CM_ATTRMASK_LENGTH;
4007                 setAttr.length.LowPart = pFileCB->AllocationSize.LowPart;
4008                 setAttr.length.HighPart = pFileCB->AllocationSize.HighPart;
4009             }
4010             lock_ReleaseWrite(&scp->rw);
4011             if (setAttr.mask)
4012                 code = cm_SetAttr(scp, &setAttr, userp, &req);
4013         }
4014
4015         for ( extentno = 0; extentno < pFileCB->ExtentCount; total_extents++, extentno++ ) {
4016             AFSFileExtentCB *pExtent = &pFileCB->FileExtents[extentno];
4017
4018             thyper.QuadPart = pExtent->FileOffset.QuadPart;
4019
4020             bufp = buf_Find(&Fid, &thyper);
4021             if (bufp) {
4022                 if (pExtent->Flags & AFS_EXTENT_FLAG_UNKNOWN) {
4023                     if (!(bufp->qFlags & CM_BUF_QREDIR)) {
4024                         osi_Log4(afsd_logp, "RDR_ReleaseFileExtentsResult extent vol 0x%x vno 0x%x foffset 0x%x:%x",
4025                                  Fid.volume, Fid.vnode,
4026                                  pExtent->FileOffset.HighPart,
4027                                  pExtent->FileOffset.LowPart);
4028                         osi_Log2(afsd_logp, "... coffset 0x%x:%x UNKNOWN to redirector; previously released",
4029                                  pExtent->CacheOffset.HighPart,
4030                                  pExtent->CacheOffset.LowPart);
4031                     } else {
4032                         osi_Log4(afsd_logp, "RDR_ReleaseFileExtentsResult extent vol 0x%x vno 0x%x foffset 0x%x:%x",
4033                                  Fid.volume, Fid.vnode,
4034                                  pExtent->FileOffset.HighPart,
4035                                  pExtent->FileOffset.LowPart);
4036                         osi_Log2(afsd_logp, "... coffset 0x%x:%x UNKNOWN to redirector; owned by redirector",
4037                                  pExtent->CacheOffset.HighPart,
4038                                  pExtent->CacheOffset.LowPart);
4039                     }
4040                     buf_Release(bufp);
4041                     continue;
4042                 }
4043
4044                 if (pExtent->Flags & AFS_EXTENT_FLAG_IN_USE) {
4045                     osi_Log4(afsd_logp, "RDR_ReleaseFileExtentsResult extent vol 0x%x vno 0x%x foffset 0x%x:%x",
4046                               Fid.volume, Fid.vnode,
4047                               pExtent->FileOffset.HighPart,
4048                               pExtent->FileOffset.LowPart);
4049                     osi_Log2(afsd_logp, "... coffset 0x%x:%x IN_USE by file system",
4050                               pExtent->CacheOffset.HighPart,
4051                               pExtent->CacheOffset.LowPart);
4052
4053                     /* Move the buffer to the front of the queue */
4054                     lock_ObtainWrite(&buf_globalLock);
4055                     buf_MoveToHeadOfRedirQueue(scp, bufp);
4056                     lock_ReleaseWrite(&buf_globalLock);
4057                     buf_Release(bufp);
4058                     continue;
4059                 }
4060
4061                 if (bufp->datap - RDR_extentBaseAddress == pExtent->CacheOffset.QuadPart) {
4062                     if (!(bufp->qFlags & CM_BUF_QREDIR)) {
4063                         osi_Log4(afsd_logp, "RDR_ReleaseFileExtentsResult extent vol 0x%x vno 0x%x foffset 0x%x:%x",
4064                                  Fid.volume, Fid.vnode,
4065                                  pExtent->FileOffset.HighPart,
4066                                  pExtent->FileOffset.LowPart);
4067                         osi_Log2(afsd_logp, "... coffset 0x%x:%x not held by file system",
4068                                  pExtent->CacheOffset.HighPart,
4069                                  pExtent->CacheOffset.LowPart);
4070 #ifdef ODS_DEBUG
4071                         snprintf(dbgstr, 1024,
4072                                   "RDR_ProcessReleaseFileExtentsResult not held by redirector! flags 0x%x:%x vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
4073                                   ReleaseFileExtentsResultCB->Flags, pExtent->Flags,
4074                                   Fid.volume, Fid.vnode, Fid.unique,
4075                                   pExtent->FileOffset.HighPart,
4076                                   pExtent->FileOffset.LowPart,
4077                                   pExtent->CacheOffset.HighPart,
4078                                   pExtent->CacheOffset.LowPart);
4079                         OutputDebugStringA( dbgstr);
4080 #endif
4081                     } else {
4082                         osi_Log5(afsd_logp, "RDR_ProcessReleaseFileExtentsResult bufp 0x%p foffset 0x%x:%x coffset 0x%x:%x",
4083                                  bufp, pExtent->FileOffset.HighPart, pExtent->FileOffset.LowPart,
4084                                  pExtent->CacheOffset.HighPart, pExtent->CacheOffset.LowPart);
4085
4086                         if (pExtent->Flags || ReleaseFileExtentsResultCB->Flags) {
4087                             lock_ObtainMutex(&bufp->mx);
4088                             if ( (ReleaseFileExtentsResultCB->Flags & AFS_EXTENT_FLAG_RELEASE) ||
4089                                  (pExtent->Flags & AFS_EXTENT_FLAG_RELEASE) )
4090                             {
4091                                 if (bufp->qFlags & CM_BUF_QREDIR) {
4092                                     lock_ObtainWrite(&buf_globalLock);
4093                                     if (bufp->qFlags & CM_BUF_QREDIR) {
4094                                         buf_RemoveFromRedirQueue(scp, bufp);
4095                                         buf_ReleaseLocked(bufp, TRUE);
4096                                     }
4097                                     lock_ReleaseWrite(&buf_globalLock);
4098                                 }
4099
4100 #ifdef ODS_DEBUG
4101                                 snprintf(dbgstr, 1024,
4102                                           "RDR_ProcessReleaseFileExtentsResult extent released: vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
4103                                           Fid.volume, Fid.vnode, Fid.unique,
4104                                           pExtent->FileOffset.HighPart,
4105                                           pExtent->FileOffset.LowPart,
4106                                           pExtent->CacheOffset.HighPart,
4107                                           pExtent->CacheOffset.LowPart);
4108                                 OutputDebugStringA( dbgstr);
4109 #endif
4110
4111                                 released++;
4112                             } else {
4113                                 osi_Log4(afsd_logp, "RDR_ProcessReleaseFileExtentsResult not releasing vol 0x%x vno 0x%x foffset 0x%x:%x",
4114                                          Fid.volume, Fid.vnode,
4115                                          pExtent->FileOffset.HighPart,
4116                                          pExtent->FileOffset.LowPart);
4117                                 osi_Log2(afsd_logp, "... coffset 0x%x:%x",
4118                                          pExtent->CacheOffset.HighPart,
4119                                          pExtent->CacheOffset.LowPart);
4120 #ifdef ODS_DEBUG
4121                                 snprintf(dbgstr, 1024,
4122                                           "RDR_ProcessReleaseFileExtentsResult not released! vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
4123                                           Fid.volume, Fid.vnode, Fid.unique,
4124                                           pExtent->FileOffset.HighPart,
4125                                           pExtent->FileOffset.LowPart,
4126                                           pExtent->CacheOffset.HighPart,
4127                                           pExtent->CacheOffset.LowPart);
4128                                 OutputDebugStringA( dbgstr);
4129 #endif
4130                             }
4131
4132                             if ((ReleaseFileExtentsResultCB->Flags & AFS_EXTENT_FLAG_DIRTY) ||
4133                                 (pExtent->Flags & AFS_EXTENT_FLAG_DIRTY))
4134                             {
4135 #ifdef VALIDATE_CHECK_SUM
4136                                 if ( buf_ValidateCheckSum(bufp) ) {
4137 #ifdef ODS_DEBUG
4138                                     HexCheckSum(md5dbg, sizeof(md5dbg), bufp->md5cksum);
4139                                     if (ReleaseFileExtentsResultCB->Flags & AFS_EXTENT_FLAG_MD5_SET)
4140                                         HexCheckSum(md5dbg2, sizeof(md5dbg2), pExtent->MD5);
4141 #endif
4142                                     buf_ComputeCheckSum(bufp);
4143 #ifdef ODS_DEBUG
4144                                     HexCheckSum(md5dbg3, sizeof(md5dbg), bufp->md5cksum);
4145 #endif
4146                                     if (ReleaseFileExtentsResultCB->Flags & AFS_EXTENT_FLAG_MD5_SET)
4147                                     {
4148                                         if (memcmp(bufp->md5cksum, pExtent->MD5, 16))
4149                                         {
4150 #ifdef ODS_DEBUG
4151                                             snprintf(dbgstr, 1024,
4152                                                       "RDR_ProcessReleaseFileExtentsResult dirty flag set and checksums do not match! user %s kernel %s vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
4153                                                       md5dbg3, md5dbg2,
4154                                                       Fid.volume, Fid.vnode, Fid.unique,
4155                                                       pExtent->FileOffset.HighPart,
4156                                                       pExtent->FileOffset.LowPart,
4157                                                       pExtent->CacheOffset.HighPart,
4158                                                       pExtent->CacheOffset.LowPart);
4159                                             OutputDebugStringA( dbgstr);
4160 #endif
4161                                             osi_Log4(afsd_logp,
4162                                                       "RDR_ProcessReleaseFileExtentsResult dirty flag set and checksums do not match! vol 0x%x vno 0x%x foffset 0x%x:%x",
4163                                                       Fid.volume, Fid.vnode,
4164                                                       pExtent->FileOffset.HighPart,
4165                                                       pExtent->FileOffset.LowPart);
4166                                             osi_Log2(afsd_logp,
4167                                                       "... coffset 0x%x:%x",
4168                                                       pExtent->CacheOffset.HighPart,
4169                                                       pExtent->CacheOffset.LowPart);
4170
4171                                             if (!deleted) {
4172                                                 buf_SetDirty(bufp, &req, pExtent->DirtyOffset, pExtent->DirtyLength, userp);
4173                                                 dirty++;
4174                                             }
4175                                         } else {
4176 #ifdef ODS_DEBUG
4177                                             snprintf(dbgstr, 1024,
4178                                                       "RDR_ProcessReleaseFileExtentsResult dirty flag set but extent has not changed! old %s kernel %s new %s vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
4179                                                       md5dbg, md5dbg2, md5dbg3,
4180                                                       Fid.volume, Fid.vnode, Fid.unique,
4181                                                       pExtent->FileOffset.HighPart,
4182                                                       pExtent->FileOffset.LowPart,
4183                                                       pExtent->CacheOffset.HighPart,
4184                                                       pExtent->CacheOffset.LowPart);
4185                                             OutputDebugStringA( dbgstr);
4186 #endif
4187                                             osi_Log4(afsd_logp,
4188                                                       "RDR_ProcessReleaseFileExtentsResult dirty flag set but extent has not changed vol 0x%x vno 0x%x foffset 0x%x:%x",
4189                                                       Fid.volume, Fid.vnode,
4190                                                       pExtent->FileOffset.HighPart,
4191                                                       pExtent->FileOffset.LowPart);
4192                                             osi_Log2(afsd_logp,
4193                                                       "... coffset 0x%x:%x",
4194                                                       pExtent->CacheOffset.HighPart,
4195                                                       pExtent->CacheOffset.LowPart);
4196                                         }
4197                                     }
4198                                 }
4199 #else /* !VALIDATE_CHECK_SUM */
4200                                 if (!deleted) {
4201                                     buf_SetDirty(bufp, &req, pExtent->DirtyOffset, pExtent->DirtyLength, userp);
4202                                     dirty++;
4203                                 }
4204 #ifdef ODS_DEBUG
4205                                 snprintf(dbgstr, 1024,
4206                                           "RDR_ProcessReleaseFileExtentsResult dirty! vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
4207                                           Fid.volume, Fid.vnode, Fid.unique,
4208                                           pExtent->FileOffset.HighPart,
4209                                           pExtent->FileOffset.LowPart,
4210                                           pExtent->CacheOffset.HighPart,
4211                                           pExtent->CacheOffset.LowPart);
4212                                 OutputDebugStringA( dbgstr);
4213 #endif
4214 #endif /* VALIDATE_CHECK_SUM */
4215                             }
4216 #ifdef VALIDATE_CHECK_SUM
4217                             else {
4218 #ifdef ODS_DEBUG
4219                                 HexCheckSum(md5dbg, sizeof(md5dbg), bufp->md5cksum);
4220 #endif
4221                                 if (!buf_ValidateCheckSum(bufp) ) {
4222                                     buf_ComputeCheckSum(bufp);
4223 #ifdef ODS_DEBUG
4224                                     HexCheckSum(md5dbg3, sizeof(md5dbg2), bufp->md5cksum);
4225                                     snprintf(dbgstr, 1024,
4226                                              "RDR_ProcessReleaseFileExtentsResult dirty flag not set but dirty! old %s new %s vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
4227                                              md5dbg, md5dbg3,
4228                                              Fid.volume, Fid.vnode, Fid.unique,
4229                                              pExtent->FileOffset.HighPart,
4230                                              pExtent->FileOffset.LowPart,
4231                                              pExtent->CacheOffset.HighPart,
4232                                              pExtent->CacheOffset.LowPart);
4233                                     OutputDebugStringA( dbgstr);
4234 #endif
4235                                     osi_Log4(afsd_logp, "RDR_ProcessReleaseFileExtentsResult dirty flag NOT set but extent has changed! vol 0x%x vno 0x%x foffset 0x%x:%x",
4236                                              Fid.volume, Fid.vnode,
4237                                              pExtent->FileOffset.HighPart,
4238                                              pExtent->FileOffset.LowPart);
4239                                     osi_Log2(afsd_logp, "... coffset 0x%x:%x",
4240                                              pExtent->CacheOffset.HighPart,
4241                                              pExtent->CacheOffset.LowPart);
4242 #ifdef DEBUG
4243                                     DebugBreak();
4244 #endif
4245                                     if (!deleted) {
4246                                         buf_SetDirty(bufp, &req, pExtent->DirtyOffset, pExtent->DirtyLength, userp);
4247                                         dirty++;
4248                                     }
4249                                 } else {
4250                                     buf_ComputeCheckSum(bufp);
4251 #ifdef ODS_DEBUG
4252                                     HexCheckSum(md5dbg3, sizeof(md5dbg2), bufp->md5cksum);
4253                                     snprintf(dbgstr, 1024,
4254                                              "RDR_ProcessReleaseFileExtentsResult dirty flag not set and not dirty! old %s new %s vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
4255                                              md5dbg, md5dbg3,
4256                                              Fid.volume, Fid.vnode, Fid.unique,
4257                                              pExtent->FileOffset.HighPart,
4258                                              pExtent->FileOffset.LowPart,
4259                                              pExtent->CacheOffset.HighPart,
4260                                              pExtent->CacheOffset.LowPart);
4261                                     OutputDebugStringA( dbgstr);
4262 #endif
4263                                 }
4264                             }
4265 #endif /* VALIDATE_CHECK_SUM */
4266                             lock_ReleaseMutex(&bufp->mx);
4267                         }
4268                     }
4269                 } else {
4270                     /* CacheOffset doesn't match bufp->datap */
4271                     char * datap = RDR_extentBaseAddress + pExtent->CacheOffset.QuadPart;
4272                     cm_buf_t *wbp;
4273
4274                     for (wbp = cm_data.buf_allp; wbp; wbp = wbp->allp) {
4275                         if (wbp->datap == datap)
4276                             break;
4277                     }
4278
4279 #ifdef ODS_DEBUG
4280                     snprintf(dbgstr, 1024,
4281                              "RDR_ProcessReleaseFileExtentsResult non-matching extent vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x flags 0x%x\n",
4282                              Fid.volume, Fid.vnode, Fid.unique,
4283                              pExtent->FileOffset.HighPart,
4284                              pExtent->FileOffset.LowPart,
4285                              pExtent->CacheOffset.HighPart,
4286                              pExtent->CacheOffset.LowPart,
4287                              pExtent->Flags);
4288                     OutputDebugStringA( dbgstr);
4289 #endif
4290                     osi_Log4(afsd_logp, "RDR_ProcessReleaseFileExtentsResult non-matching extent vol 0x%x vno 0x%x foffset 0x%x:%x",
4291                              Fid.volume, Fid.vnode,
4292                              pExtent->FileOffset.HighPart,
4293                              pExtent->FileOffset.LowPart);
4294                     osi_Log3(afsd_logp, "... coffset 0x%x:%x flags 0x%x",
4295                              pExtent->CacheOffset.HighPart,
4296                              pExtent->CacheOffset.LowPart,
4297                              pExtent->Flags);
4298                     if (wbp)
4299                         osi_Log5(afsd_logp, "... coffset belongs to bp 0x%p vol 0x%x vno 0x%x foffset 0x%x:%x",
4300                                  wbp, wbp->fid.volume, wbp->fid.vnode, wbp->offset.HighPart, wbp->offset.LowPart);
4301                     else
4302                         osi_Log0(afsd_logp, "... coffset cannot be found");
4303 #ifdef DEBUG
4304                     DebugBreak();
4305 #endif
4306                 }
4307                 buf_Release(bufp);
4308             } else {
4309                 if (pExtent->Flags & AFS_EXTENT_FLAG_UNKNOWN) {
4310                     osi_Log4(afsd_logp, "RDR_ReleaseFileExtentsResult extent vol 0x%x vno 0x%x foffset 0x%x:%x",
4311                              Fid.volume, Fid.vnode, pExtent->FileOffset.HighPart,
4312                              pExtent->FileOffset.LowPart);
4313                     osi_Log2(afsd_logp, "... coffset 0x%x:%x UNKNOWN to redirector; cm_buf not found -- recycled?",
4314                              pExtent->CacheOffset.HighPart,
4315                              pExtent->CacheOffset.LowPart);
4316
4317                     continue;
4318                 }
4319
4320 #ifdef ODS_DEBUG
4321                 snprintf(dbgstr, 1024,
4322                          "RDR_ProcessReleaseFileExtentsResult buf not found vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
4323                          Fid.volume, Fid.vnode, Fid.unique,
4324                          pExtent->FileOffset.HighPart,
4325                          pExtent->FileOffset.LowPart,
4326                          pExtent->CacheOffset.HighPart,
4327                          pExtent->CacheOffset.LowPart);
4328                 OutputDebugStringA( dbgstr);
4329 #endif
4330                 osi_Log4(afsd_logp, "RDR_ProcessReleaseFileExtentsResult buf not found vol 0x%x vno 0x%x foffset 0x%x:%x",
4331                          Fid.volume, Fid.vnode,
4332                          pExtent->FileOffset.HighPart,
4333                          pExtent->FileOffset.LowPart);
4334                 osi_Log2(afsd_logp, "... coffset 0x%x:%x",
4335                          pExtent->CacheOffset.HighPart,
4336                          pExtent->CacheOffset.LowPart);
4337             }
4338         }
4339
4340         if (scp && dirty) {
4341             osi_hyper_t offset = {0,0};
4342             afs_uint32  length = 0;
4343
4344             /*
4345              * there is at least one dirty extent on this file.  queue up background store
4346              * requests for contiguous blocks
4347              */
4348             for ( extentno = 0; extentno < pFileCB->ExtentCount; extentno++ ) {
4349                 AFSFileExtentCB *pExtent = &pFileCB->FileExtents[extentno];
4350                 if (pExtent->FileOffset.QuadPart == offset.QuadPart + length &&
4351                      length < cm_chunkSize) {
4352                     length += cm_data.buf_blockSize;
4353                 } else {
4354                     if (!(offset.QuadPart == 0 && length == 0))
4355                         cm_QueueBKGRequest(scp, cm_BkgStore, offset.LowPart, offset.HighPart,
4356                                             length, 0, userp, &req);
4357                     offset.QuadPart = pExtent->FileOffset.QuadPart;
4358                     length = cm_data.buf_blockSize;
4359                 }
4360             }
4361             cm_QueueBKGRequest(scp, cm_BkgStore, offset.LowPart, offset.HighPart,
4362                                 length, 0, userp, &req);
4363         }
4364
4365         osi_Log5(afsd_logp, "RDR_ProcessReleaseFileExtentsResult File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x Released %d",
4366                   Fid.cell, Fid.volume, Fid.vnode, Fid.unique, released);
4367
4368       cleanup_file:
4369         if (userp)
4370             cm_ReleaseUser(userp);
4371         if (scp)
4372             cm_ReleaseSCache(scp);
4373
4374         p = (char *)pFileCB;
4375         p += sizeof(AFSReleaseFileExtentsResultFileCB);
4376         p += sizeof(AFSFileExtentCB) * (pFileCB->ExtentCount - 1);
4377         pNextFileCB = (AFSReleaseFileExtentsResultFileCB *)p;
4378     }
4379
4380     if (total_extents == 0) {
4381         osi_Log0(afsd_logp, "RDR_ProcessReleaseFileExtentsResult is empty");
4382         code = CM_ERROR_RETRY;
4383     }
4384
4385     if (code)
4386         osi_Log1(afsd_logp, "RDR_ProcessReleaseFileExtentsResult FAILURE code=0x%x", code);
4387     else
4388         osi_Log1(afsd_logp, "RDR_ProcessReleaseFileExtentsResult DONE code=0x%x", code);
4389
4390     return code;
4391 }
4392
4393 DWORD
4394 RDR_ReleaseFailedSetFileExtents( IN cm_user_t *userp,
4395                                  IN AFSSetFileExtentsCB *SetFileExtentsResultCB,
4396                                  IN DWORD ResultBufferLength)
4397 {
4398     afs_uint32  code = 0;
4399     cm_req_t    req;
4400     unsigned int extentno;
4401     cm_fid_t         Fid;
4402     cm_scache_t *    scp = NULL;
4403     int              dirty = 0;
4404
4405     RDR_InitReq(&req);
4406
4407     osi_Log4(afsd_logp, "RDR_ReleaseFailedSetFileExtents %d.%d.%d.%d",
4408               SetFileExtentsResultCB->FileId.Cell, SetFileExtentsResultCB->FileId.Volume,
4409               SetFileExtentsResultCB->FileId.Vnode, SetFileExtentsResultCB->FileId.Unique);
4410
4411     /* Process the release */
4412     Fid.cell = SetFileExtentsResultCB->FileId.Cell;
4413     Fid.volume = SetFileExtentsResultCB->FileId.Volume;
4414     Fid.vnode = SetFileExtentsResultCB->FileId.Vnode;
4415     Fid.unique = SetFileExtentsResultCB->FileId.Unique;
4416     Fid.hash = SetFileExtentsResultCB->FileId.Hash;
4417
4418     if (Fid.cell == 0) {
4419         osi_Log4(afsd_logp, "RDR_ReleaseFailedSetFile Invalid FID %d.%d.%d.%d",
4420                   Fid.cell, Fid.volume, Fid.vnode, Fid.unique);
4421         code = CM_ERROR_INVAL;
4422         goto cleanup_file;
4423     }
4424
4425     code = cm_GetSCache(&Fid, &scp, userp, &req);
4426     if (code) {
4427         osi_Log1(afsd_logp, "RDR_ReleaseFailedSetFileExtents cm_GetSCache FID failure code=0x%x",
4428                   code);
4429         /* Failure to find the cm_scache object cannot block return of the extents */
4430     }
4431
4432     for ( extentno = 0; extentno < SetFileExtentsResultCB->ExtentCount; extentno++ ) {
4433         osi_hyper_t thyper;
4434         cm_buf_t    *bufp;
4435         AFSFileExtentCB *pExtent = &SetFileExtentsResultCB->FileExtents[extentno];
4436
4437         thyper.QuadPart = pExtent->FileOffset.QuadPart;
4438
4439         bufp = buf_Find(&Fid, &thyper);
4440         if (bufp) {
4441             osi_Log5(afsd_logp, "RDR_ReleaseFailedSetFileExtents bufp 0x%p foffset 0x%x:%x coffset 0x%x:%x",
4442                       bufp, pExtent->FileOffset.HighPart, pExtent->FileOffset.LowPart,
4443                       pExtent->CacheOffset.HighPart, pExtent->CacheOffset.LowPart);
4444
4445             lock_ObtainMutex(&bufp->mx);
4446             if (bufp->qFlags & CM_BUF_QREDIR) {
4447                 lock_ObtainWrite(&buf_globalLock);
4448                 if (bufp->qFlags & CM_BUF_QREDIR) {
4449                     buf_RemoveFromRedirQueue(scp, bufp);
4450                     buf_ReleaseLocked(bufp, TRUE);
4451                 }
4452                 lock_ReleaseWrite(&buf_globalLock);
4453             }
4454             lock_ReleaseMutex(&bufp->mx);
4455             buf_Release(bufp);
4456         }
4457     }
4458
4459   cleanup_file:
4460     if (userp)
4461         cm_ReleaseUser(userp);
4462     if (scp)
4463         cm_ReleaseSCache(scp);
4464
4465     osi_Log1(afsd_logp, "RDR_ReleaseFailedSetFileExtents DONE code=0x%x", code);
4466     return code;
4467 }
4468
4469 void
4470 RDR_PioctlOpen( IN cm_user_t *userp,
4471                 IN AFSFileID  ParentId,
4472                 IN AFSPIOCtlOpenCloseRequestCB *pPioctlCB,
4473                 IN BOOL bWow64,
4474                 IN DWORD ResultBufferLength,
4475                 IN OUT AFSCommResult **ResultCB)
4476 {
4477     cm_fid_t    ParentFid;
4478     cm_fid_t    RootFid;
4479
4480     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult));
4481     if (!(*ResultCB))
4482         return;
4483
4484     memset( *ResultCB,
4485             '\0',
4486             sizeof( AFSCommResult));
4487
4488     /* Get the active directory */
4489     ParentFid.cell = ParentId.Cell;
4490     ParentFid.volume = ParentId.Volume;
4491     ParentFid.vnode = ParentId.Vnode;
4492     ParentFid.unique = ParentId.Unique;
4493     ParentFid.hash = ParentId.Hash;
4494
4495     /* Get the root directory */
4496     RootFid.cell = pPioctlCB->RootId.Cell;
4497     RootFid.volume = pPioctlCB->RootId.Volume;
4498     RootFid.vnode = pPioctlCB->RootId.Vnode;
4499     RootFid.unique = pPioctlCB->RootId.Unique;
4500     RootFid.hash = pPioctlCB->RootId.Hash;
4501
4502     /* Create the pioctl index */
4503     RDR_SetupIoctl(pPioctlCB->RequestId, &ParentFid, &RootFid, userp);
4504
4505     return;
4506 }
4507
4508
4509 void
4510 RDR_PioctlClose( IN cm_user_t *userp,
4511                  IN AFSFileID  ParentId,
4512                  IN AFSPIOCtlOpenCloseRequestCB *pPioctlCB,
4513                  IN BOOL bWow64,
4514                  IN DWORD ResultBufferLength,
4515                  IN OUT AFSCommResult **ResultCB)
4516 {
4517     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult));
4518     if (!(*ResultCB))
4519         return;
4520
4521     memset( *ResultCB,
4522             '\0',
4523             sizeof( AFSCommResult));
4524
4525     /* Cleanup the pioctl index */
4526     RDR_CleanupIoctl(pPioctlCB->RequestId);
4527
4528     return;
4529 }
4530
4531
4532 void
4533 RDR_PioctlWrite( IN cm_user_t *userp,
4534                  IN AFSFileID  ParentId,
4535                  IN AFSPIOCtlIORequestCB *pPioctlCB,
4536                  IN BOOL bWow64,
4537                  IN DWORD ResultBufferLength,
4538                  IN OUT AFSCommResult **ResultCB)
4539 {
4540     AFSPIOCtlIOResultCB *pResultCB;
4541     cm_scache_t *dscp = NULL;
4542     afs_uint32  code;
4543     cm_req_t    req;
4544     DWORD       status;
4545
4546     RDR_InitReq(&req);
4547     if ( bWow64 )
4548         req.flags |= CM_REQ_WOW64;
4549
4550     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult) + sizeof(AFSPIOCtlIOResultCB));
4551     if (!(*ResultCB))
4552         return;
4553
4554     memset( *ResultCB,
4555             '\0',
4556             sizeof( AFSCommResult) + sizeof(AFSPIOCtlIOResultCB));
4557
4558     pResultCB = (AFSPIOCtlIOResultCB *)(*ResultCB)->ResultData;
4559
4560     code = RDR_IoctlWrite(userp, pPioctlCB->RequestId, pPioctlCB->BufferLength, pPioctlCB->MappedBuffer, &req);
4561     if (code) {
4562         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
4563         (*ResultCB)->ResultStatus = status;
4564         return;
4565     }
4566
4567     pResultCB->BytesProcessed = pPioctlCB->BufferLength;
4568     (*ResultCB)->ResultBufferLength = sizeof( AFSPIOCtlIOResultCB);
4569 }
4570
4571 void
4572 RDR_PioctlRead( IN cm_user_t *userp,
4573                 IN AFSFileID  ParentId,
4574                 IN AFSPIOCtlIORequestCB *pPioctlCB,
4575                 IN BOOL bWow64,
4576                 IN BOOL bIsLocalSystem,
4577                 IN DWORD ResultBufferLength,
4578                 IN OUT AFSCommResult **ResultCB)
4579 {
4580     AFSPIOCtlIOResultCB *pResultCB;
4581     cm_scache_t *dscp = NULL;
4582     afs_uint32  code;
4583     cm_req_t    req;
4584     DWORD       status;
4585     afs_uint32  pflags = (bIsLocalSystem ? AFSCALL_FLAG_LOCAL_SYSTEM : 0);
4586
4587     RDR_InitReq(&req);
4588     if ( bWow64 )
4589         req.flags |= CM_REQ_WOW64;
4590
4591     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult) + sizeof(AFSPIOCtlIOResultCB));
4592     if (!(*ResultCB))
4593         return;
4594
4595     memset( *ResultCB,
4596             '\0',
4597             sizeof( AFSCommResult) + sizeof(AFSPIOCtlIOResultCB));
4598
4599     pResultCB = (AFSPIOCtlIOResultCB *)(*ResultCB)->ResultData;
4600
4601     code = RDR_IoctlRead(userp, pPioctlCB->RequestId, pPioctlCB->BufferLength, pPioctlCB->MappedBuffer,
4602                          &pResultCB->BytesProcessed, &req, pflags);
4603     if (code) {
4604         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
4605         (*ResultCB)->ResultStatus = status;
4606         return;
4607     }
4608
4609     (*ResultCB)->ResultBufferLength = sizeof( AFSPIOCtlIOResultCB);
4610 }
4611
4612 void
4613 RDR_ByteRangeLockSync( IN cm_user_t     *userp,
4614                        IN AFSFileID     FileId,
4615                        IN AFSByteRangeLockRequestCB *pBRLRequestCB,
4616                        IN BOOL bWow64,
4617                        IN DWORD ResultBufferLength,
4618                        IN OUT AFSCommResult **ResultCB)
4619 {
4620     AFSByteRangeLockResultCB *pResultCB = NULL;
4621     LARGE_INTEGER ProcessId;
4622     DWORD       Length;
4623     cm_scache_t *scp = NULL;
4624     cm_fid_t    Fid;
4625     afs_uint32  code;
4626     cm_req_t    req;
4627     cm_key_t    key;
4628     DWORD       i;
4629     DWORD       status;
4630
4631     ProcessId.QuadPart = pBRLRequestCB->ProcessId;
4632
4633     RDR_InitReq(&req);
4634     if ( bWow64 )
4635         req.flags |= CM_REQ_WOW64;
4636
4637     osi_Log4(afsd_logp, "RDR_ByteRangeLockSync File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
4638               FileId.Cell, FileId.Volume,
4639               FileId.Vnode, FileId.Unique);
4640     osi_Log2(afsd_logp, "... ProcessId 0x%x:%x",
4641              ProcessId.HighPart, ProcessId.LowPart);
4642
4643     Length = sizeof( AFSByteRangeLockResultCB) + ((pBRLRequestCB->Count - 1) * sizeof(AFSByteRangeLockResult));
4644     if (Length > ResultBufferLength) {
4645         *ResultCB = (AFSCommResult *)malloc(sizeof(AFSCommResult));
4646         if (!(*ResultCB))
4647             return;
4648         memset( *ResultCB, 0, sizeof(AFSCommResult));
4649         (*ResultCB)->ResultStatus = STATUS_BUFFER_OVERFLOW;
4650         return;
4651     }
4652
4653     *ResultCB = (AFSCommResult *)malloc( Length + sizeof( AFSCommResult) );
4654     if (!(*ResultCB))
4655         return;
4656     memset( *ResultCB, '\0', Length + sizeof( AFSCommResult) );
4657     (*ResultCB)->ResultBufferLength = Length;
4658
4659     pResultCB = (AFSByteRangeLockResultCB *)(*ResultCB)->ResultData;
4660     pResultCB->FileId = FileId;
4661     pResultCB->Count = pBRLRequestCB->Count;
4662
4663     /* Allocate the extents from the buffer package */
4664     Fid.cell = FileId.Cell;
4665     Fid.volume = FileId.Volume;
4666     Fid.vnode = FileId.Vnode;
4667     Fid.unique = FileId.Unique;
4668     Fid.hash = FileId.Hash;
4669
4670     code = cm_GetSCache(&Fid, &scp, userp, &req);
4671     if (code) {
4672         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
4673         (*ResultCB)->ResultStatus = status;
4674         (*ResultCB)->ResultBufferLength = 0;
4675         osi_Log2(afsd_logp, "RDR_ByteRangeLockSync cm_GetSCache FID failure code=0x%x status=0x%x",
4676                   code, status);
4677         return;
4678     }
4679
4680     lock_ObtainWrite(&scp->rw);
4681
4682     /* start by looking up the file's end */
4683     code = cm_SyncOp(scp, NULL, userp, &req, 0,
4684                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
4685     if (code) {
4686         lock_ReleaseWrite(&scp->rw);
4687         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
4688         (*ResultCB)->ResultStatus = status;
4689         (*ResultCB)->ResultBufferLength = 0;
4690         osi_Log3(afsd_logp, "RDR_ByteRangeLockSync cm_SyncOp failure scp=0x%p code=0x%x status=0x%x",
4691                  scp, code, status);
4692         return;
4693     }
4694
4695     /* the scp is now locked and current */
4696     key = cm_GenerateKey(CM_SESSION_IFS, ProcessId.QuadPart, 0);
4697
4698     for ( i=0; i<pBRLRequestCB->Count; i++ ) {
4699         pResultCB->Result[i].LockType = pBRLRequestCB->Request[i].LockType;
4700         pResultCB->Result[i].Offset = pBRLRequestCB->Request[i].Offset;
4701         pResultCB->Result[i].Length = pBRLRequestCB->Request[i].Length;
4702
4703         code = cm_Lock(scp,
4704                        pBRLRequestCB->Request[i].LockType == AFS_BYTE_RANGE_LOCK_TYPE_SHARED,
4705                        pBRLRequestCB->Request[i].Offset,
4706                        pBRLRequestCB->Request[i].Length,
4707                        key, 0, userp, &req, NULL);
4708
4709         if (code) {
4710             osi_Log4(afsd_logp, "RDR_ByteRangeLockSync FAILURE code 0x%x type 0x%u offset 0x%x:%x",
4711                      code,
4712                      pBRLRequestCB->Request[i].LockType,
4713                      pBRLRequestCB->Request[i].Offset.HighPart,
4714                      pBRLRequestCB->Request[i].Offset.LowPart);
4715             osi_Log2(afsd_logp, "... length 0x%x:%x",
4716                      pBRLRequestCB->Request[i].Length.HighPart,
4717                      pBRLRequestCB->Request[i].Length.LowPart);
4718         }
4719
4720         switch (code) {
4721         case 0:
4722             pResultCB->Result[i].Status = 0;
4723             break;
4724         case CM_ERROR_WOULDBLOCK:
4725             pResultCB->Result[i].Status = STATUS_FILE_LOCK_CONFLICT;
4726             break;
4727         default:
4728             pResultCB->Result[i].Status = STATUS_LOCK_NOT_GRANTED;
4729         }
4730     }
4731
4732     cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
4733     lock_ReleaseWrite(&scp->rw);
4734     cm_ReleaseSCache(scp);
4735
4736     (*ResultCB)->ResultStatus = 0;
4737     osi_Log0(afsd_logp, "RDR_ByteRangeLockSync SUCCESS");
4738     return;
4739 }
4740
4741 void
4742 RDR_ByteRangeUnlock( IN cm_user_t     *userp,
4743                      IN AFSFileID     FileId,
4744                      IN AFSByteRangeUnlockRequestCB *pBRURequestCB,
4745                      IN BOOL bWow64,
4746                      IN DWORD ResultBufferLength,
4747                      IN OUT AFSCommResult **ResultCB)
4748 {
4749     AFSByteRangeUnlockResultCB *pResultCB = NULL;
4750     LARGE_INTEGER ProcessId;
4751     DWORD       Length;
4752     cm_scache_t *scp = NULL;
4753     cm_fid_t    Fid;
4754     afs_uint32  code;
4755     cm_req_t    req;
4756     cm_key_t    key;
4757     DWORD       i;
4758     DWORD       status;
4759
4760     ProcessId.QuadPart = pBRURequestCB->ProcessId;
4761
4762     RDR_InitReq(&req);
4763     if ( bWow64 )
4764         req.flags |= CM_REQ_WOW64;
4765
4766     osi_Log4(afsd_logp, "RDR_ByteRangeUnlock File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
4767               FileId.Cell, FileId.Volume,
4768               FileId.Vnode, FileId.Unique);
4769     osi_Log2(afsd_logp, "... ProcessId 0x%x:%x",
4770              ProcessId.HighPart, ProcessId.LowPart);
4771
4772     Length = sizeof( AFSByteRangeUnlockResultCB) + ((pBRURequestCB->Count - 1) * sizeof(AFSByteRangeLockResult));
4773     if (Length > ResultBufferLength) {
4774         *ResultCB = (AFSCommResult *)malloc(sizeof(AFSCommResult));
4775         if (!(*ResultCB))
4776             return;
4777         memset( *ResultCB, 0, sizeof(AFSCommResult));
4778         (*ResultCB)->ResultStatus = STATUS_BUFFER_OVERFLOW;
4779         return;
4780     }
4781
4782     *ResultCB = (AFSCommResult *)malloc( Length + sizeof( AFSCommResult) );
4783     if (!(*ResultCB))
4784         return;
4785     memset( *ResultCB, '\0', Length + sizeof( AFSCommResult) );
4786     (*ResultCB)->ResultBufferLength = Length;
4787
4788     pResultCB = (AFSByteRangeUnlockResultCB *)(*ResultCB)->ResultData;
4789     pResultCB->Count = pBRURequestCB->Count;
4790
4791     /* Allocate the extents from the buffer package */
4792     Fid.cell = FileId.Cell;
4793     Fid.volume = FileId.Volume;
4794     Fid.vnode = FileId.Vnode;
4795     Fid.unique = FileId.Unique;
4796     Fid.hash = FileId.Hash;
4797
4798     code = cm_GetSCache(&Fid, &scp, userp, &req);
4799     if (code) {
4800         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
4801         (*ResultCB)->ResultStatus = status;
4802         (*ResultCB)->ResultBufferLength = 0;
4803         osi_Log2(afsd_logp, "RDR_ByteRangeUnlock cm_GetSCache FID failure code=0x%x status=0x%x",
4804                   code, status);
4805         return;
4806     }
4807
4808     lock_ObtainWrite(&scp->rw);
4809
4810     /* start by looking up the file's end */
4811     code = cm_SyncOp(scp, NULL, userp, &req, 0,
4812                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
4813     if (code) {
4814         lock_ReleaseWrite(&scp->rw);
4815         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
4816         (*ResultCB)->ResultStatus = status;
4817         (*ResultCB)->ResultBufferLength = 0;
4818         osi_Log3(afsd_logp, "RDR_ByteRangeUnlock cm_SyncOp failure scp=0x%p code=0x%x status=0x%x",
4819                  scp, code, status);
4820         return;
4821     }
4822
4823     /* the scp is now locked and current */
4824     key = cm_GenerateKey(CM_SESSION_IFS, ProcessId.QuadPart, 0);
4825
4826     for ( i=0; i<pBRURequestCB->Count; i++ ) {
4827         pResultCB->Result[i].LockType = pBRURequestCB->Request[i].LockType;
4828         pResultCB->Result[i].Offset = pBRURequestCB->Request[i].Offset;
4829         pResultCB->Result[i].Length = pBRURequestCB->Request[i].Length;
4830
4831         code = cm_Unlock(scp,
4832                          pBRURequestCB->Request[i].LockType == AFS_BYTE_RANGE_LOCK_TYPE_SHARED,
4833                          pBRURequestCB->Request[i].Offset,
4834                          pBRURequestCB->Request[i].Length,
4835                          key, CM_UNLOCK_FLAG_MATCH_RANGE, userp, &req);
4836
4837         if (code) {
4838             osi_Log4(afsd_logp, "RDR_ByteRangeUnlock FAILURE code 0x%x type 0x%u offset 0x%x:%x",
4839                      code, pBRURequestCB->Request[i].LockType,
4840                      pBRURequestCB->Request[i].Offset.HighPart,
4841                      pBRURequestCB->Request[i].Offset.LowPart);
4842             osi_Log2(afsd_logp, "... length 0x%x:%x",
4843                      pBRURequestCB->Request[i].Length.HighPart,
4844                      pBRURequestCB->Request[i].Length.LowPart);
4845         }
4846         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
4847         pResultCB->Result[i].Status = status;
4848     }
4849
4850     cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
4851     lock_ReleaseWrite(&scp->rw);
4852     cm_ReleaseSCache(scp);
4853
4854     (*ResultCB)->ResultStatus = 0;
4855     osi_Log0(afsd_logp, "RDR_ByteRangeUnlock SUCCESS");
4856     return;
4857 }
4858
4859 void
4860 RDR_ByteRangeUnlockAll( IN cm_user_t     *userp,
4861                         IN AFSFileID     FileId,
4862                         IN AFSByteRangeUnlockRequestCB *pBRURequestCB,
4863                         IN BOOL bWow64,
4864                         IN DWORD ResultBufferLength,
4865                         IN OUT AFSCommResult **ResultCB)
4866 {
4867     AFSByteRangeUnlockResultCB *pResultCB = NULL;
4868     LARGE_INTEGER ProcessId;
4869     cm_scache_t *scp = NULL;
4870     cm_fid_t    Fid;
4871     afs_uint32  code;
4872     cm_req_t    req;
4873     cm_key_t    key;
4874     DWORD       status;
4875
4876     ProcessId.QuadPart = pBRURequestCB->ProcessId;
4877
4878     RDR_InitReq(&req);
4879     if ( bWow64 )
4880         req.flags |= CM_REQ_WOW64;
4881
4882     osi_Log4(afsd_logp, "RDR_ByteRangeUnlockAll File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
4883               FileId.Cell, FileId.Volume,
4884               FileId.Vnode, FileId.Unique);
4885     osi_Log2(afsd_logp, "... ProcessId 0x%x:%x",
4886              ProcessId.HighPart, ProcessId.LowPart);
4887
4888     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult));
4889     if (!(*ResultCB))
4890         return;
4891     memset( *ResultCB, '\0', sizeof( AFSCommResult));
4892     (*ResultCB)->ResultBufferLength = 0;
4893
4894     /* Allocate the extents from the buffer package */
4895     Fid.cell = FileId.Cell;
4896     Fid.volume = FileId.Volume;
4897     Fid.vnode = FileId.Vnode;
4898     Fid.unique = FileId.Unique;
4899     Fid.hash = FileId.Hash;
4900
4901     code = cm_GetSCache(&Fid, &scp, userp, &req);
4902     if (code) {
4903         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
4904         (*ResultCB)->ResultStatus = status;
4905         (*ResultCB)->ResultBufferLength = 0;
4906         osi_Log2(afsd_logp, "RDR_ByteRangeUnlockAll cm_GetSCache FID failure code=0x%x status=0x%x",
4907                   code, status);
4908         return;
4909     }
4910
4911     lock_ObtainWrite(&scp->rw);
4912
4913     /* start by looking up the file's end */
4914     code = cm_SyncOp(scp, NULL, userp, &req, 0,
4915                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
4916     if (code) {
4917         lock_ReleaseWrite(&scp->rw);
4918         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
4919         (*ResultCB)->ResultStatus = status;
4920         (*ResultCB)->ResultBufferLength = 0;
4921         osi_Log3(afsd_logp, "RDR_ByteRangeUnlockAll cm_SyncOp failure scp=0x%p code=0x%x status=0x%x",
4922                  scp, code, status);
4923         return;
4924     }
4925
4926     /* the scp is now locked and current */
4927     key = cm_GenerateKey(CM_SESSION_IFS, ProcessId.QuadPart, 0);
4928
4929     code = cm_UnlockByKey(scp, key, 0, userp, &req);
4930
4931     cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
4932     lock_ReleaseWrite(&scp->rw);
4933     cm_ReleaseSCache(scp);
4934
4935     smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
4936     (*ResultCB)->ResultStatus = status;
4937
4938     if (code)
4939         osi_Log1(afsd_logp, "RDR_ByteRangeUnlockAll FAILURE code 0x%x", code);
4940     else
4941         osi_Log0(afsd_logp, "RDR_ByteRangeUnlockAll SUCCESS");
4942     return;
4943
4944 }
4945
4946 void
4947 RDR_GetVolumeInfo( IN cm_user_t     *userp,
4948                    IN AFSFileID     FileId,
4949                    IN BOOL bWow64,
4950                    IN DWORD ResultBufferLength,
4951                    IN OUT AFSCommResult **ResultCB)
4952 {
4953     AFSVolumeInfoCB *pResultCB = NULL;
4954     DWORD       Length;
4955     cm_scache_t *scp = NULL;
4956     cm_volume_t *volp = NULL;
4957     cm_vol_state_t *volstatep = NULL;
4958     afs_uint32   volType;
4959     cm_cell_t   *cellp = NULL;
4960     cm_fid_t    Fid;
4961     afs_uint32  code;
4962     cm_req_t    req;
4963     DWORD       status;
4964     FILETIME ft = {0x832cf000, 0x01abfcc4}; /* October 1, 1982 00:00:00 +0600 */
4965
4966     char volName[32]="(unknown)";
4967     char offLineMsg[256]="server temporarily inaccessible";
4968     char motd[256]="server temporarily inaccessible";
4969     cm_conn_t *connp;
4970     AFSFetchVolumeStatus volStat;
4971     char *Name;
4972     char *OfflineMsg;
4973     char *MOTD;
4974     struct rx_connection * rxconnp;
4975
4976     RDR_InitReq(&req);
4977     if ( bWow64 )
4978         req.flags |= CM_REQ_WOW64;
4979
4980     osi_Log4(afsd_logp, "RDR_GetVolumeInfo File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
4981              FileId.Cell, FileId.Volume,
4982              FileId.Vnode, FileId.Unique);
4983
4984     Length = sizeof( AFSCommResult) + sizeof(AFSVolumeInfoCB);
4985     if (sizeof(AFSVolumeInfoCB) > ResultBufferLength) {
4986         *ResultCB = (AFSCommResult *)malloc(sizeof(AFSCommResult) );
4987         if (!(*ResultCB))
4988             return;
4989         memset( *ResultCB, 0, sizeof(AFSCommResult));
4990         (*ResultCB)->ResultStatus = STATUS_BUFFER_OVERFLOW;
4991         return;
4992     }
4993
4994     *ResultCB = (AFSCommResult *)malloc( Length );
4995     if (!(*ResultCB))
4996         return;
4997     memset( *ResultCB, '\0', Length );
4998     (*ResultCB)->ResultBufferLength = sizeof(AFSVolumeInfoCB);
4999     pResultCB = (AFSVolumeInfoCB *)(*ResultCB)->ResultData;
5000
5001     /* Allocate the extents from the buffer package */
5002     if (FileId.Cell != 0) {
5003         Fid.cell = FileId.Cell;
5004         Fid.volume = FileId.Volume;
5005         Fid.vnode = FileId.Vnode;
5006         Fid.unique = FileId.Unique;
5007         Fid.hash = FileId.Hash;
5008
5009         code = cm_GetSCache(&Fid, &scp, userp, &req);
5010         if (code) {
5011             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
5012             (*ResultCB)->ResultStatus = status;
5013             (*ResultCB)->ResultBufferLength = 0;
5014             osi_Log2(afsd_logp, "RDR_GetVolumeInfo cm_GetSCache FID failure code=0x%x status=0x%x",
5015                       code, status);
5016             return;
5017         }
5018     } else {
5019         (*ResultCB)->ResultStatus = STATUS_OBJECT_NAME_INVALID;
5020         osi_Log0(afsd_logp, "RDR_GetVolumeInfo Object Name Invalid - Cell = 0");
5021         return;
5022     }
5023     lock_ObtainWrite(&scp->rw);
5024
5025     /* start by looking up the file's end */
5026     code = cm_SyncOp(scp, NULL, userp, &req, 0,
5027                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
5028     if (code) {
5029         lock_ReleaseWrite(&scp->rw);
5030         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
5031         (*ResultCB)->ResultStatus = status;
5032         (*ResultCB)->ResultBufferLength = 0;
5033         osi_Log3(afsd_logp, "RDR_GetVolumeInfo cm_SyncOp failure scp=0x%p code=0x%x status=0x%x",
5034                  scp, code, status);
5035         return;
5036     }
5037
5038     /* Fake for now */
5039     pResultCB->SectorsPerAllocationUnit = 1;
5040     pResultCB->BytesPerSector = 1024;
5041
5042     pResultCB->CellID = scp->fid.cell;
5043     pResultCB->VolumeID = scp->fid.volume;
5044     pResultCB->Characteristics = FILE_REMOTE_DEVICE;
5045     pResultCB->FileSystemAttributes = FILE_CASE_PRESERVED_NAMES | FILE_UNICODE_ON_DISK |
5046         FILE_SUPPORTS_REPARSE_POINTS;
5047
5048     if (scp->fid.cell==AFS_FAKE_ROOT_CELL_ID &&
5049          scp->fid.volume==AFS_FAKE_ROOT_VOL_ID)
5050     {
5051         pResultCB->TotalAllocationUnits.QuadPart = 100;
5052         memcpy(&pResultCB->VolumeCreationTime, &ft, sizeof(ft));
5053
5054         pResultCB->AvailableAllocationUnits.QuadPart = 0;
5055         pResultCB->Characteristics |= FILE_READ_ONLY_DEVICE;
5056
5057         pResultCB->VolumeLabelLength = cm_Utf8ToUtf16( "Freelance.Local.Root", -1, pResultCB->VolumeLabel,
5058                                                        (sizeof(pResultCB->VolumeLabel) / sizeof(WCHAR)) + 1);
5059         if ( pResultCB->VolumeLabelLength )
5060             pResultCB->VolumeLabelLength--;
5061     } else {
5062         memcpy(&pResultCB->VolumeCreationTime, &ft, sizeof(ft));
5063
5064         volp = cm_GetVolumeByFID(&scp->fid);
5065         if (!volp) {
5066             code = CM_ERROR_NOSUCHVOLUME;
5067             goto _done;
5068         }
5069         volstatep = cm_VolumeStateByID(volp, scp->fid.volume);
5070         volType = cm_VolumeType(volp, scp->fid.volume);
5071
5072         pResultCB->Characteristics |= ((volType == ROVOL || volType == BACKVOL) ? FILE_READ_ONLY_DEVICE : 0);
5073
5074         Name = volName;
5075         OfflineMsg = offLineMsg;
5076         MOTD = motd;
5077         lock_ReleaseWrite(&scp->rw);
5078         do {
5079             code = cm_ConnFromFID(&scp->fid, userp, &req, &connp);
5080             if (code) continue;
5081
5082             rxconnp = cm_GetRxConn(connp);
5083             code = RXAFS_GetVolumeStatus(rxconnp, scp->fid.volume,
5084                                          &volStat, &Name, &OfflineMsg, &MOTD);
5085             rx_PutConnection(rxconnp);
5086
5087         } while (cm_Analyze(connp, userp, &req, &scp->fid, 0, NULL, NULL, NULL, code));
5088         code = cm_MapRPCError(code, &req);
5089         if (code == 0) {
5090             pResultCB->TotalAllocationUnits.QuadPart = volStat.PartMaxBlocks;
5091             pResultCB->AvailableAllocationUnits.QuadPart = volStat.PartBlocksAvail;
5092
5093             pResultCB->VolumeLabelLength = cm_Utf8ToUtf16( Name, -1, pResultCB->VolumeLabel,
5094                                                            (sizeof(pResultCB->VolumeLabel) / sizeof(WCHAR)) + 1);
5095         } else {
5096             pResultCB->TotalAllocationUnits.QuadPart = 0x7FFFFFFF;
5097             pResultCB->AvailableAllocationUnits.QuadPart = (volType == ROVOL || volType == BACKVOL) ? 0 : 0x3F000000;
5098
5099             pResultCB->VolumeLabelLength = cm_Utf8ToUtf16( volp->namep, -1, pResultCB->VolumeLabel,
5100                                                            (sizeof(pResultCB->VolumeLabel) / sizeof(WCHAR)) + 1);
5101             code = 0;
5102         }
5103         if ( pResultCB->VolumeLabelLength )
5104             pResultCB->VolumeLabelLength--;
5105
5106         lock_ObtainWrite(&scp->rw);
5107     }
5108     pResultCB->VolumeLabelLength *= sizeof(WCHAR);  /* convert to bytes from chars */
5109
5110     cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
5111
5112   _done:
5113     lock_ReleaseWrite(&scp->rw);
5114     if (volp)
5115        cm_PutVolume(volp);
5116     cm_ReleaseSCache(scp);
5117
5118     smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
5119     (*ResultCB)->ResultStatus = status;
5120     osi_Log0(afsd_logp, "RDR_GetVolumeInfo SUCCESS");
5121     return;
5122 }
5123
5124 void
5125 RDR_HoldFid( IN cm_user_t     *userp,
5126              IN AFSHoldFidRequestCB * pHoldFidCB,
5127              IN BOOL bFast,
5128              IN DWORD ResultBufferLength,
5129              IN OUT AFSCommResult **ResultCB)
5130 {
5131     AFSHoldFidResultCB *pResultCB = NULL;
5132     DWORD       index;
5133     DWORD       Length;
5134     cm_req_t    req;
5135
5136     RDR_InitReq(&req);
5137
5138     osi_Log1(afsd_logp, "RDR_HoldFid Count=%u", pHoldFidCB->Count);
5139
5140     Length = sizeof(AFSHoldFidResultCB) + (pHoldFidCB->Count-1) * sizeof(AFSFidResult);
5141     if (Length > ResultBufferLength) {
5142         *ResultCB = (AFSCommResult *)malloc(sizeof(AFSCommResult) );
5143         if (!(*ResultCB))
5144             return;
5145         memset( *ResultCB, 0, sizeof(AFSCommResult));
5146         (*ResultCB)->ResultStatus = STATUS_BUFFER_OVERFLOW;
5147         return;
5148     }
5149     *ResultCB = (AFSCommResult *)malloc( Length + sizeof( AFSCommResult) );
5150     if (!(*ResultCB))
5151         return;
5152     memset( *ResultCB, '\0', Length );
5153     (*ResultCB)->ResultBufferLength = Length;
5154     pResultCB = (AFSHoldFidResultCB *)(*ResultCB)->ResultData;
5155
5156     for ( index = 0; index < pHoldFidCB->Count; index++ )
5157     {
5158         cm_scache_t *scp = NULL;
5159         cm_fid_t    Fid;
5160
5161         Fid.cell   = pResultCB->Result[index].FileID.Cell   = pHoldFidCB->FileID[index].Cell;
5162         Fid.volume = pResultCB->Result[index].FileID.Volume = pHoldFidCB->FileID[index].Volume;
5163         Fid.vnode  = pResultCB->Result[index].FileID.Vnode  = pHoldFidCB->FileID[index].Vnode;
5164         Fid.unique = pResultCB->Result[index].FileID.Unique = pHoldFidCB->FileID[index].Unique;
5165         Fid.hash   = pResultCB->Result[index].FileID.Hash   = pHoldFidCB->FileID[index].Hash;
5166
5167         osi_Log4( afsd_logp,
5168                   "RDR_HoldFid File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
5169                   Fid.cell, Fid.volume, Fid.vnode, Fid.unique);
5170
5171         scp = cm_FindSCache(&Fid);
5172         if (scp) {
5173             RDR_FlagScpInUse( scp, FALSE );
5174             cm_ReleaseSCache(scp);
5175         }
5176         pResultCB->Result[index].Status = 0;
5177     }
5178
5179     (*ResultCB)->ResultStatus = 0;
5180     osi_Log0(afsd_logp, "RDR_HoldFid SUCCESS");
5181     return;
5182 }
5183
5184 void
5185 RDR_ReleaseFid( IN cm_user_t     *userp,
5186                 IN AFSReleaseFidRequestCB * pReleaseFidCB,
5187                 IN BOOL bFast,
5188                 IN DWORD ResultBufferLength,
5189                 IN OUT AFSCommResult **ResultCB)
5190 {
5191     AFSReleaseFidResultCB *pResultCB = NULL;
5192     DWORD       index;
5193     DWORD       Length;
5194     cm_req_t    req;
5195
5196     RDR_InitReq(&req);
5197
5198     osi_Log1(afsd_logp, "RDR_ReleaseFid Count=%u", pReleaseFidCB->Count);
5199
5200     Length = sizeof(AFSReleaseFidResultCB) + (pReleaseFidCB->Count ? pReleaseFidCB->Count-1 : 0) * sizeof(AFSFidResult);
5201     if (Length > ResultBufferLength) {
5202         *ResultCB = (AFSCommResult *)malloc(sizeof(AFSCommResult) );
5203         if (!(*ResultCB))
5204             return;
5205         memset( *ResultCB, 0, sizeof(AFSCommResult));
5206         (*ResultCB)->ResultStatus = STATUS_BUFFER_OVERFLOW;
5207         return;
5208     }
5209     *ResultCB = (AFSCommResult *)malloc( Length + sizeof( AFSCommResult) );
5210     if (!(*ResultCB))
5211         return;
5212     memset( *ResultCB, '\0', Length );
5213     (*ResultCB)->ResultBufferLength = Length;
5214     pResultCB = (AFSReleaseFidResultCB *)(*ResultCB)->ResultData;
5215
5216     for ( index = 0; index < pReleaseFidCB->Count; index++ )
5217     {
5218         cm_scache_t *scp = NULL;
5219         cm_fid_t    Fid;
5220
5221         Fid.cell   = pResultCB->Result[index].FileID.Cell   = pReleaseFidCB->FileID[index].Cell;
5222         Fid.volume = pResultCB->Result[index].FileID.Volume = pReleaseFidCB->FileID[index].Volume;
5223         Fid.vnode  = pResultCB->Result[index].FileID.Vnode  = pReleaseFidCB->FileID[index].Vnode;
5224         Fid.unique = pResultCB->Result[index].FileID.Unique = pReleaseFidCB->FileID[index].Unique;
5225         Fid.hash   = pResultCB->Result[index].FileID.Hash   = pReleaseFidCB->FileID[index].Hash;
5226
5227         osi_Log4( afsd_logp,
5228                   "RDR_ReleaseFid File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
5229                   Fid.cell, Fid.volume, Fid.vnode, Fid.unique);
5230
5231         scp = cm_FindSCache(&Fid);
5232         if (scp) {
5233             lock_ObtainWrite(&scp->rw);
5234             scp->flags &= ~CM_SCACHEFLAG_RDR_IN_USE;
5235             lock_ReleaseWrite(&scp->rw);
5236
5237             cm_ReleaseSCache(scp);
5238         }
5239         pResultCB->Result[index].Status = 0;
5240     }
5241     pResultCB->Count = pReleaseFidCB->Count;
5242
5243     (*ResultCB)->ResultStatus = 0;
5244     osi_Log0(afsd_logp, "RDR_ReleaseFid SUCCESS");
5245     return;
5246 }
5247
5248 /*
5249  * The redirector makes several assumptions regarding the
5250  * SRVSVC and WKSSVC pipes transactions.  First, the interface
5251  * versions are those indicated below.  Secondly, the encoding
5252  * will be performed using NDR version 2.  These assumptions
5253  * may not hold in the future and end-to-end MSRPC Bind
5254  * negotiations may need to be supported.  Of course, these
5255  * are the only interface versions that are supported by the
5256  * service.
5257  */
5258 #define MSRPC_PIPE_PREFIX L".\\"
5259
5260 static const UUID MSRPC_SRVSVC_UUID = {0x4B324FC8, 0x1670, 0x01D3,
5261                                        {0x12, 0x78, 0x5A, 0x47, 0xBF, 0x6E, 0xE1, 0x88}};
5262 #define MSRPC_SRVSVC_NAME L"PIPE\\SRVSVC"
5263 #define MSRPC_SRVSVC_VERS 3
5264
5265 static const UUID MSRPC_WKSSVC_UUID = {0x6BFFD098, 0xA112, 0x3610,
5266                                        {0x98, 0x33, 0x46, 0xC3, 0xF8, 0x7E, 0x34, 0x5A}};
5267 #define MSRPC_WKSSVC_NAME L"PIPE\\WKSSVC"
5268 #define MSRPC_WKSSVC_VERS 1
5269
5270 static const UUID MSRPC_NDR_UUID = {0x8A885D04, 0x1CEB, 0x11C9,
5271                                     {0x9F, 0xE8, 0x08, 0x00, 0x2B, 0x10, 0x48, 0x60}};
5272 #define MSRPC_NDR_NAME    L"NDR"
5273 #define MSRPC_NDR_VERS    2
5274
5275 extern RPC_IF_HANDLE srvsvc_v3_0_s_ifspec;
5276 extern RPC_IF_HANDLE wkssvc_v1_0_s_ifspec;
5277
5278 void
5279 RDR_PipeOpen( IN cm_user_t *userp,
5280               IN AFSFileID  ParentId,
5281               IN WCHAR     *Name,
5282               IN DWORD      NameLength,
5283               IN AFSPipeOpenCloseRequestCB *pPipe_CB,
5284               IN BOOL bWow64,
5285               IN DWORD ResultBufferLength,
5286               IN OUT AFSCommResult **ResultCB)
5287 {
5288     cm_fid_t    ParentFid;
5289     cm_fid_t    RootFid;
5290
5291     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult));
5292     if (!(*ResultCB))
5293         return;
5294
5295     memset( *ResultCB,
5296             '\0',
5297             sizeof( AFSCommResult));
5298
5299     /* Get the active directory */
5300     ParentFid.cell = ParentId.Cell;
5301     ParentFid.volume = ParentId.Volume;
5302     ParentFid.vnode = ParentId.Vnode;
5303     ParentFid.unique = ParentId.Unique;
5304     ParentFid.hash = ParentId.Hash;
5305
5306     /* Get the root directory */
5307     RootFid.cell = pPipe_CB->RootId.Cell;
5308     RootFid.volume = pPipe_CB->RootId.Volume;
5309     RootFid.vnode = pPipe_CB->RootId.Vnode;
5310     RootFid.unique = pPipe_CB->RootId.Unique;
5311     RootFid.hash = pPipe_CB->RootId.Hash;
5312
5313     /* Create the pipe index */
5314     (*ResultCB)->ResultStatus =
5315       RDR_SetupPipe( pPipe_CB->RequestId, &ParentFid, &RootFid,
5316                      Name, NameLength, userp);
5317     return;
5318 }
5319
5320
5321 void
5322 RDR_PipeClose( IN cm_user_t *userp,
5323                IN AFSFileID  ParentId,
5324                IN AFSPipeOpenCloseRequestCB *pPipe_CB,
5325                IN BOOL bWow64,
5326                IN DWORD ResultBufferLength,
5327                IN OUT AFSCommResult **ResultCB)
5328 {
5329     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult));
5330     if (!(*ResultCB))
5331         return;
5332
5333     memset( *ResultCB,
5334             '\0',
5335             sizeof( AFSCommResult));
5336
5337     /* Cleanup the pipe index */
5338     RDR_CleanupPipe(pPipe_CB->RequestId);
5339
5340     return;
5341 }
5342
5343
5344 void
5345 RDR_PipeWrite( IN cm_user_t *userp,
5346                IN AFSFileID  ParentId,
5347                IN AFSPipeIORequestCB *pPipe_CB,
5348                IN BYTE *pPipe_Data,
5349                IN BOOL bWow64,
5350                IN DWORD ResultBufferLength,
5351                IN OUT AFSCommResult **ResultCB)
5352 {
5353     AFSPipeIOResultCB *pResultCB;
5354     cm_scache_t *dscp = NULL;
5355     afs_uint32  code;
5356     cm_req_t    req;
5357     DWORD       status;
5358
5359     RDR_InitReq(&req);
5360     if ( bWow64 )
5361         req.flags |= CM_REQ_WOW64;
5362
5363     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult) + sizeof(AFSPipeIOResultCB));
5364     if (!(*ResultCB))
5365         return;
5366
5367     memset( *ResultCB,
5368             '\0',
5369             sizeof( AFSCommResult) + sizeof(AFSPipeIOResultCB));
5370
5371     pResultCB = (AFSPipeIOResultCB *)(*ResultCB)->ResultData;
5372
5373     code = RDR_Pipe_Write( pPipe_CB->RequestId, pPipe_CB->BufferLength, pPipe_Data, &req, userp);
5374     if (code) {
5375         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
5376         (*ResultCB)->ResultStatus = status;
5377         return;
5378     }
5379
5380     pResultCB->BytesProcessed = pPipe_CB->BufferLength;
5381     (*ResultCB)->ResultBufferLength = sizeof( AFSPipeIOResultCB);
5382 }
5383
5384
5385 void
5386 RDR_PipeRead( IN cm_user_t *userp,
5387               IN AFSFileID  ParentId,
5388               IN AFSPipeIORequestCB *pPipe_CB,
5389               IN BOOL bWow64,
5390               IN DWORD ResultBufferLength,
5391               IN OUT AFSCommResult **ResultCB)
5392 {
5393     BYTE *pPipe_Data;
5394     cm_scache_t *dscp = NULL;
5395     afs_uint32  code;
5396     cm_req_t    req;
5397     DWORD       status;
5398
5399     RDR_InitReq(&req);
5400     if ( bWow64 )
5401         req.flags |= CM_REQ_WOW64;
5402
5403     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult) + ResultBufferLength);
5404     if (!(*ResultCB))
5405         return;
5406
5407     memset( *ResultCB,
5408             '\0',
5409             sizeof( AFSCommResult));
5410
5411     pPipe_Data = (BYTE *)(*ResultCB)->ResultData;
5412
5413     code = RDR_Pipe_Read( pPipe_CB->RequestId, ResultBufferLength, pPipe_Data,
5414                           &(*ResultCB)->ResultBufferLength, &req, userp);
5415     if (code) {
5416         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
5417         (*ResultCB)->ResultStatus = status;
5418         return;
5419     }
5420 }
5421
5422
5423 void
5424 RDR_PipeSetInfo( IN cm_user_t *userp,
5425                  IN AFSFileID  ParentId,
5426                  IN AFSPipeInfoRequestCB *pPipeInfo_CB,
5427                  IN BYTE *pPipe_Data,
5428                  IN BOOL bWow64,
5429                  IN DWORD ResultBufferLength,
5430                  IN OUT AFSCommResult **ResultCB)
5431 {
5432     cm_scache_t *dscp = NULL;
5433     cm_req_t    req;
5434     DWORD       status;
5435
5436     RDR_InitReq(&req);
5437     if ( bWow64 )
5438         req.flags |= CM_REQ_WOW64;
5439
5440     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult));
5441     if (!(*ResultCB))
5442         return;
5443
5444     memset( *ResultCB,
5445             '\0',
5446             sizeof( AFSCommResult));
5447
5448     status = RDR_Pipe_SetInfo( pPipeInfo_CB->RequestId, pPipeInfo_CB->InformationClass,
5449                                pPipeInfo_CB->BufferLength, pPipe_Data, &req, userp);
5450
5451     (*ResultCB)->ResultStatus = status;
5452 }
5453
5454
5455 void
5456 RDR_PipeQueryInfo( IN cm_user_t *userp,
5457                    IN AFSFileID  ParentId,
5458                    IN AFSPipeInfoRequestCB *pPipeInfo_CB,
5459                    IN BOOL bWow64,
5460                    IN DWORD ResultBufferLength,
5461                    IN OUT AFSCommResult **ResultCB)
5462 {
5463     BYTE *pPipe_Data;
5464     cm_scache_t *dscp = NULL;
5465     cm_req_t    req;
5466     DWORD       status;
5467
5468     RDR_InitReq(&req);
5469     if ( bWow64 )
5470         req.flags |= CM_REQ_WOW64;
5471
5472     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult) + ResultBufferLength);
5473     if (!(*ResultCB))
5474         return;
5475
5476     memset( *ResultCB,
5477             '\0',
5478             sizeof( AFSCommResult) + sizeof(AFSPipeIOResultCB));
5479
5480     pPipe_Data = (BYTE *)(*ResultCB)->ResultData;
5481
5482     status = RDR_Pipe_QueryInfo( pPipeInfo_CB->RequestId, pPipeInfo_CB->InformationClass,
5483                                  ResultBufferLength, pPipe_Data,
5484                                  &(*ResultCB)->ResultBufferLength, &req, userp);
5485
5486     (*ResultCB)->ResultStatus = status;
5487 }
5488
5489 void
5490 RDR_PipeTransceive( IN cm_user_t     *userp,
5491                     IN AFSFileID  ParentId,
5492                     IN AFSPipeIORequestCB *pPipe_CB,
5493                     IN BYTE *pPipe_InData,
5494                     IN BOOL bWow64,
5495                     IN DWORD ResultBufferLength,
5496                     IN OUT AFSCommResult **ResultCB)
5497 {
5498     /*
5499      * This function processes a Pipe Service request
5500      * that would normally be sent to a LAN Manager server
5501      * across an authenticated SMB-PIPE/MSRPC/SVC request
5502      * stack.  The request is being sent here because the
5503      * application (e.g., Explorer Shell or Common Control File
5504      * dialog) believes that because the UNC path it is
5505      * processing has specified a server name that is not
5506      * "." and that the Server is remote and that the Share
5507      * list cannot be obtained using the Network Provider
5508      * interface.
5509      *
5510      * The file system driver is faking the Bind-Ack response
5511      * to the MSRPC Bind request but cannot decode the NDR
5512      * encoded Pipe Service requests.  For that we will use
5513      * the service's MSRPC module.  However, unlike the SMB
5514      * server usage we must fake the MSRPC Bind exchange and
5515      * map the PipeName to an interface instead of using the
5516      * GUID specified in the MSRPC Bind request.
5517      *
5518      * None of the requests that are being processed by the
5519      * service require authentication.  As a result the userp
5520      * parameter will be ignored.
5521      *
5522      * Although there are dozens of Pipe Services, the only
5523      * ones that we are implementing are WKSSVC and SRVSVC.
5524      * These support NetShareEnum, NetShareGetInfo,
5525      * NetServerGetInfo, and NetWorkstaGetInfo which are
5526      * commonly queried by NET VIEW, the Explorer Shell,
5527      * and the Common Control File dialog.
5528      */
5529     BYTE *pPipe_OutData;
5530     cm_scache_t *dscp = NULL;
5531     afs_uint32  code;
5532     cm_req_t    req;
5533     DWORD       status;
5534     DWORD Length = ResultBufferLength + sizeof( AFSCommResult);
5535
5536     RDR_InitReq(&req);
5537     if ( bWow64 )
5538         req.flags |= CM_REQ_WOW64;
5539
5540     *ResultCB = (AFSCommResult *)malloc( Length);
5541     if (!(*ResultCB))
5542         return;
5543     memset( *ResultCB, '\0', Length );
5544
5545     code = RDR_Pipe_Write( pPipe_CB->RequestId, pPipe_CB->BufferLength, pPipe_InData, &req, userp);
5546     if (code) {
5547         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
5548         osi_Log2( afsd_logp, "RDR_Pipe_Transceive Write FAILURE code=0x%x status=0x%x",
5549                   code, status);
5550         (*ResultCB)->ResultStatus = status;
5551         return;
5552     }
5553
5554     pPipe_OutData = (BYTE *)(*ResultCB)->ResultData;
5555     code = RDR_Pipe_Read( pPipe_CB->RequestId, ResultBufferLength, pPipe_OutData,
5556                           &(*ResultCB)->ResultBufferLength, &req, userp);
5557     if (code) {
5558         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
5559         osi_Log2( afsd_logp, "RDR_Pipe_Transceive Read FAILURE code=0x%x status=0x%x",
5560                   code, status);
5561         (*ResultCB)->ResultStatus = status;
5562         return;
5563     }
5564
5565     (*ResultCB)->ResultStatus = 0;
5566     osi_Log0(afsd_logp, "RDR_Pipe_Transceive SUCCESS");
5567 }