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         code = RDR_PopulateCurrentEntry(&pResultCB->DirEnum, dwRemaining,
1643                                         dscp, scp, userp, &req, NULL, NULL,
1644                                         RDR_POP_FOLLOW_MOUNTPOINTS | RDR_POP_EVALUATE_SYMLINKS,
1645                                         0, NULL, &dwRemaining);
1646         (*ResultCB)->ResultBufferLength = ResultBufferLength - dwRemaining;
1647         osi_Log0(afsd_logp, "RDR_UpdateFileEntry SUCCESS");
1648     } else {
1649         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1650         (*ResultCB)->ResultStatus = status;
1651         (*ResultCB)->ResultBufferLength = 0;
1652         osi_Log2(afsd_logp, "RDR_UpdateFileEntry FAILURE code=0x%x status=0x%x",
1653                   code, status);
1654     }
1655     cm_ReleaseSCache(scp);
1656     cm_ReleaseSCache(dscp);
1657
1658     return;
1659 }
1660
1661 void
1662 RDR_CleanupFileEntry( IN cm_user_t *userp,
1663                       IN AFSFileID FileId,
1664                       IN WCHAR *FileNameCounted,
1665                       IN DWORD FileNameLength,
1666                       IN AFSFileCleanupCB *CleanupCB,
1667                       IN BOOL bWow64,
1668                       IN BOOL bLastHandle,
1669                       IN BOOL bDeleteFile,
1670                       IN BOOL bUnlockFile,
1671                       IN DWORD ResultBufferLength,
1672                       IN OUT AFSCommResult **ResultCB)
1673 {
1674     AFSFileCleanupResultCB *pResultCB = NULL;
1675     size_t size = sizeof(AFSCommResult) + ResultBufferLength - 1;
1676     cm_fid_t            Fid;
1677     cm_fid_t            parentFid;
1678     afs_uint32          code = 0;
1679     afs_uint32          flags = 0;
1680     cm_attr_t           setAttr;
1681     cm_scache_t *       scp = NULL;
1682     cm_scache_t *       dscp = NULL;
1683     cm_req_t            req;
1684     time_t              clientModTime;
1685     FILETIME            ft;
1686     DWORD               status;
1687     BOOL                bScpLocked = FALSE;
1688     BOOL                bDscpLocked = FALSE;
1689     BOOL                bFlushFile = FALSE;
1690     cm_key_t            key;
1691
1692     RDR_InitReq(&req);
1693     if ( bWow64 )
1694         req.flags |= CM_REQ_WOW64;
1695     memset(&setAttr, 0, sizeof(cm_attr_t));
1696
1697     osi_Log4(afsd_logp, "RDR_CleanupFileEntry parent FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
1698               CleanupCB->ParentId.Cell, CleanupCB->ParentId.Volume,
1699               CleanupCB->ParentId.Vnode, CleanupCB->ParentId.Unique);
1700     osi_Log4(afsd_logp, "... object FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
1701               FileId.Cell, FileId.Volume,
1702               FileId.Vnode, FileId.Unique);
1703
1704     *ResultCB = (AFSCommResult *)malloc( size);
1705     if (!(*ResultCB)) {
1706         osi_Log0(afsd_logp, "RDR_CleanupFileEntry Out of Memory");
1707         return;
1708     }
1709
1710     memset( *ResultCB,
1711             '\0',
1712             size);
1713
1714     parentFid.cell   = CleanupCB->ParentId.Cell;
1715     parentFid.volume = CleanupCB->ParentId.Volume;
1716     parentFid.vnode  = CleanupCB->ParentId.Vnode;
1717     parentFid.unique = CleanupCB->ParentId.Unique;
1718     parentFid.hash   = CleanupCB->ParentId.Hash;
1719
1720     if (parentFid.cell) {
1721         code = cm_GetSCache(&parentFid, &dscp, userp, &req);
1722         if (code) {
1723             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1724             if ( status == STATUS_INVALID_HANDLE)
1725                 status = STATUS_OBJECT_PATH_INVALID;
1726             (*ResultCB)->ResultStatus = status;
1727             osi_Log2(afsd_logp, "RDR_CleanupFileEntry cm_GetSCache ParentFID failure code=0x%x status=0x%x",
1728                      code, status);
1729             return;
1730         }
1731
1732         lock_ObtainWrite(&dscp->rw);
1733         bDscpLocked = TRUE;
1734         code = cm_SyncOp(dscp, NULL, userp, &req, 0,
1735                          CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1736         if (code) {
1737             osi_Log2(afsd_logp, "RDR_CleanupFileEntry cm_SyncOp failure dscp=0x%p code=0x%x",
1738                     dscp, code);
1739             if (code)
1740                 goto on_error;
1741         }
1742
1743         cm_SyncOpDone(dscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1744         lock_ReleaseWrite(&dscp->rw);
1745         bDscpLocked = FALSE;
1746
1747         if (dscp->fileType != CM_SCACHETYPE_DIRECTORY) {
1748             (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
1749             cm_ReleaseSCache(dscp);
1750             osi_Log1(afsd_logp, "RDR_CleanupFileEntry Not a Directory dscp=0x%p",
1751                      dscp);
1752             if (code)
1753                 goto on_error;
1754         }
1755     }
1756
1757     Fid.cell   = FileId.Cell;
1758     Fid.volume = FileId.Volume;
1759     Fid.vnode  = FileId.Vnode;
1760     Fid.unique = FileId.Unique;
1761     Fid.hash   = FileId.Hash;
1762
1763     code = cm_GetSCache(&Fid, &scp, userp, &req);
1764     if (code) {
1765         osi_Log1(afsd_logp, "RDR_CleanupFileEntry cm_GetSCache object FID failure code=0x%x",
1766                  code);
1767         goto on_error;
1768     }
1769
1770     lock_ObtainWrite(&scp->rw);
1771     bScpLocked = TRUE;
1772     code = cm_SyncOp(scp, NULL, userp, &req, 0,
1773                       CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_NEEDCALLBACK);
1774     if (code) {
1775         osi_Log2(afsd_logp, "RDR_CleanupFileEntry cm_SyncOp failure scp=0x%p code=0x%x",
1776                  scp, code);
1777         goto on_error;
1778     }
1779     cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1780
1781     if ((bLastHandle || bFlushFile) &&
1782         scp->redirBufCount > 0)
1783     {
1784         LARGE_INTEGER heldExtents;
1785         AFSFileExtentCB extentList[1024];
1786         DWORD extentCount = 0;
1787         cm_buf_t *srbp;
1788         time_t now;
1789
1790         time(&now);
1791         heldExtents.QuadPart = 0;
1792
1793         for ( srbp = redirq_to_cm_buf_t(scp->redirQueueT);
1794               srbp;
1795               srbp = redirq_to_cm_buf_t(osi_QPrev(&srbp->redirq)))
1796         {
1797             extentList[extentCount].Flags = 0;
1798             extentList[extentCount].Length = cm_data.blockSize;
1799             extentList[extentCount].FileOffset.QuadPart = srbp->offset.QuadPart;
1800             extentList[extentCount].CacheOffset.QuadPart = srbp->datap - RDR_extentBaseAddress;
1801             lock_ObtainWrite(&buf_globalLock);
1802             srbp->redirReleaseRequested = now;
1803             lock_ReleaseWrite(&buf_globalLock);
1804             extentCount++;
1805
1806             if (extentCount == 1024) {
1807                 lock_ReleaseWrite(&scp->rw);
1808                 code = RDR_RequestExtentRelease(&scp->fid, heldExtents, extentCount, extentList);
1809                 if (code) {
1810                     if (code == CM_ERROR_RETRY) {
1811                         /*
1812                          * The redirector either is not holding the extents or cannot let them
1813                          * go because they are otherwise in use.  At the moment, do nothing.
1814                          */
1815                     } else
1816                         break;
1817                 }
1818                 extentCount = 0;
1819                 bFlushFile = TRUE;
1820                 lock_ObtainWrite(&scp->rw);
1821             }
1822         }
1823
1824         if (code == 0 && extentCount > 0) {
1825             if (bScpLocked) {
1826                 lock_ReleaseWrite(&scp->rw);
1827                 bScpLocked = FALSE;
1828             }
1829             code = RDR_RequestExtentRelease(&scp->fid, heldExtents, extentCount, extentList);
1830             bFlushFile = TRUE;
1831         }
1832     }
1833
1834     /* No longer in use by redirector */
1835     if (!bScpLocked) {
1836         lock_ObtainWrite(&scp->rw);
1837         bScpLocked = TRUE;
1838     }
1839
1840     if (bLastHandle) {
1841         lock_AssertWrite(&scp->rw);
1842         scp->flags &= ~CM_SCACHEFLAG_RDR_IN_USE;
1843     }
1844
1845     if (bLastHandle || bFlushFile) {
1846         if (!bScpLocked) {
1847             lock_ObtainWrite(&scp->rw);
1848             bScpLocked = TRUE;
1849         }
1850         code = cm_SyncOp(scp, NULL, userp, &req, PRSFS_WRITE,
1851                           CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1852         if (code == 0) {
1853             if (bScpLocked) {
1854                 lock_ReleaseWrite(&scp->rw);
1855                 bScpLocked = FALSE;
1856             }
1857
1858             code = cm_FSync(scp, userp, &req, bScpLocked);
1859         }
1860         if (bLastHandle && code)
1861             goto on_error;
1862     }
1863
1864     if (bUnlockFile || bDeleteFile) {
1865         if (!bScpLocked) {
1866             lock_ObtainWrite(&scp->rw);
1867             bScpLocked = TRUE;
1868         }
1869         code = cm_SyncOp(scp, NULL, userp, &req, 0,
1870                           CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
1871         if (code) {
1872             osi_Log2(afsd_logp, "RDR_CleanupFileEntry cm_SyncOp (2) failure scp=0x%p code=0x%x",
1873                      scp, code);
1874             goto on_error;
1875         }
1876
1877         key = cm_GenerateKey(CM_SESSION_IFS, CleanupCB->ProcessId, 0);
1878
1879         /* the scp is now locked and current */
1880         code = cm_UnlockByKey(scp, key,
1881                               bDeleteFile ? CM_UNLOCK_FLAG_BY_FID : 0,
1882                               userp, &req);
1883
1884         cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
1885
1886         if (code)
1887             goto on_error;
1888     }
1889
1890     if (CleanupCB->ChangeTime.QuadPart) {
1891
1892         if (scp->fileType == CM_SCACHETYPE_FILE) {
1893             /* Do not set length and other attributes at the same time */
1894             if (scp->length.QuadPart != CleanupCB->AllocationSize.QuadPart) {
1895                 osi_Log2(afsd_logp, "RDR_CleanupFileEntry Length Change 0x%x -> 0x%x",
1896                           (afs_uint32)scp->length.QuadPart, (afs_uint32)CleanupCB->AllocationSize.QuadPart);
1897                 setAttr.mask |= CM_ATTRMASK_LENGTH;
1898                 setAttr.length.LowPart = CleanupCB->AllocationSize.LowPart;
1899                 setAttr.length.HighPart = CleanupCB->AllocationSize.HighPart;
1900
1901                 if (bScpLocked) {
1902                     lock_ReleaseWrite(&scp->rw);
1903                     bScpLocked = FALSE;
1904                 }
1905                 code = cm_SetAttr(scp, &setAttr, userp, &req);
1906                 if (code)
1907                     goto on_error;
1908                 setAttr.mask = 0;
1909             }
1910         }
1911
1912         if (!bScpLocked) {
1913             lock_ObtainWrite(&scp->rw);
1914             bScpLocked = TRUE;
1915         }
1916
1917         if ((scp->unixModeBits & 0200) && (CleanupCB->FileAttributes & FILE_ATTRIBUTE_READONLY)) {
1918             setAttr.mask |= CM_ATTRMASK_UNIXMODEBITS;
1919             setAttr.unixModeBits = scp->unixModeBits & ~0222;
1920         } else if (!(scp->unixModeBits & 0200) && !(CleanupCB->FileAttributes & FILE_ATTRIBUTE_READONLY)) {
1921             setAttr.mask |= CM_ATTRMASK_UNIXMODEBITS;
1922             setAttr.unixModeBits = scp->unixModeBits | 0222;
1923         }
1924     }
1925
1926     if (CleanupCB->LastWriteTime.QuadPart) {
1927         ft.dwLowDateTime = CleanupCB->LastWriteTime.LowPart;
1928         ft.dwHighDateTime = CleanupCB->LastWriteTime.HighPart;
1929
1930         cm_UnixTimeFromLargeSearchTime(&clientModTime, &ft);
1931         if (scp->clientModTime != clientModTime) {
1932             setAttr.mask |= CM_ATTRMASK_CLIENTMODTIME;
1933             setAttr.clientModTime = clientModTime;
1934         }
1935     }
1936
1937     /* call setattr */
1938     if (setAttr.mask) {
1939         lock_ReleaseWrite(&scp->rw);
1940         bScpLocked = FALSE;
1941         code = cm_SetAttr(scp, &setAttr, userp, &req);
1942     } else
1943         code = 0;
1944
1945     /* Now drop the lock enforcing the share access */
1946     if ( CleanupCB->FileAccess != AFS_FILE_ACCESS_NOLOCK) {
1947         unsigned int sLockType;
1948         LARGE_INTEGER LOffset, LLength;
1949
1950         if (CleanupCB->FileAccess == AFS_FILE_ACCESS_SHARED)
1951             sLockType = LOCKING_ANDX_SHARED_LOCK;
1952         else
1953             sLockType = 0;
1954
1955         key = cm_GenerateKey(CM_SESSION_IFS, SMB_FID_QLOCK_PID, CleanupCB->Identifier);
1956
1957         LOffset.HighPart = SMB_FID_QLOCK_HIGH;
1958         LOffset.LowPart = SMB_FID_QLOCK_LOW;
1959         LLength.HighPart = 0;
1960         LLength.LowPart = SMB_FID_QLOCK_LENGTH;
1961
1962         if (!bScpLocked) {
1963             lock_ObtainWrite(&scp->rw);
1964             bScpLocked = TRUE;
1965         }
1966
1967         code = cm_SyncOp(scp, NULL, userp, &req, 0, CM_SCACHESYNC_LOCK);
1968         if (code == 0)
1969         {
1970             code = cm_Unlock(scp, sLockType, LOffset, LLength, key, 0, userp, &req);
1971
1972             cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_LOCK);
1973
1974             if (code == CM_ERROR_RANGE_NOT_LOCKED)
1975             {
1976                 osi_Log3(afsd_logp, "RDR_CleanupFileEntry Range Not Locked -- FileAccess 0x%x ProcessId 0x%x HandleId 0x%x",
1977                          CleanupCB->FileAccess, CleanupCB->ProcessId, CleanupCB->Identifier);
1978
1979             }
1980         }
1981     }
1982
1983   on_error:
1984     if (bDscpLocked)
1985         lock_ReleaseWrite(&dscp->rw);
1986     if (bScpLocked)
1987         lock_ReleaseWrite(&scp->rw);
1988
1989     if (dscp && bDeleteFile) {
1990         WCHAR FileName[260];
1991
1992         StringCchCopyNW(FileName, 260, FileNameCounted, FileNameLength / sizeof(WCHAR));
1993
1994         if (scp->fileType == CM_SCACHETYPE_DIRECTORY)
1995             code = cm_RemoveDir(dscp, NULL, FileName, userp, &req);
1996         else
1997             code = cm_Unlink(dscp, NULL, FileName, userp, &req);
1998     }
1999
2000     if ( ResultBufferLength >=  sizeof( AFSFileCleanupResultCB))
2001     {
2002         (*ResultCB)->ResultBufferLength = sizeof( AFSFileCleanupResultCB);
2003         pResultCB = (AFSFileCleanupResultCB *)&(*ResultCB)->ResultData;
2004         pResultCB->ParentDataVersion.QuadPart = dscp ? dscp->dataVersion : 0;
2005     } else {
2006         (*ResultCB)->ResultBufferLength = 0;
2007     }
2008
2009     if (code == 0) {
2010         (*ResultCB)->ResultStatus = 0;
2011         osi_Log0(afsd_logp, "RDR_CleanupFileEntry SUCCESS");
2012     } else {
2013         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2014         (*ResultCB)->ResultStatus = status;
2015         osi_Log2(afsd_logp, "RDR_CleanupFileEntry FAILURE code=0x%x status=0x%x",
2016                   code, status);
2017     }
2018     if (scp)
2019         cm_ReleaseSCache(scp);
2020     if (dscp)
2021         cm_ReleaseSCache(dscp);
2022
2023     return;
2024 }
2025
2026 void
2027 RDR_DeleteFileEntry( IN cm_user_t *userp,
2028                      IN AFSFileID ParentId,
2029                      IN ULONGLONG ProcessId,
2030                      IN WCHAR *FileNameCounted,
2031                      IN DWORD FileNameLength,
2032                      IN BOOL bWow64,
2033                      IN BOOL bCheckOnly,
2034                      IN DWORD ResultBufferLength,
2035                      IN OUT AFSCommResult **ResultCB)
2036 {
2037
2038     AFSFileDeleteResultCB *pResultCB = NULL;
2039     size_t size = sizeof(AFSCommResult) + ResultBufferLength - 1;
2040     cm_fid_t            parentFid;
2041     afs_uint32          code;
2042     cm_scache_t *       dscp = NULL;
2043     cm_scache_t *       scp = NULL;
2044     afs_uint32          flags = 0;
2045     cm_attr_t           setAttr;
2046     cm_req_t            req;
2047     DWORD               status;
2048     wchar_t             FileName[260];
2049     cm_key_t            key;
2050
2051     StringCchCopyNW(FileName, 260, FileNameCounted, FileNameLength / sizeof(WCHAR));
2052
2053     osi_Log4(afsd_logp, "RDR_DeleteFileEntry parent FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
2054               ParentId.Cell,  ParentId.Volume,
2055               ParentId.Vnode, ParentId.Unique);
2056     osi_Log2(afsd_logp, "... name=%S checkOnly=%x",
2057              osi_LogSaveStringW(afsd_logp, FileName),
2058              bCheckOnly);
2059
2060     RDR_InitReq(&req);
2061     if ( bWow64 )
2062         req.flags |= CM_REQ_WOW64;
2063     memset(&setAttr, 0, sizeof(cm_attr_t));
2064
2065     *ResultCB = (AFSCommResult *)malloc( size);
2066     if (!(*ResultCB)) {
2067         osi_Log0(afsd_logp, "RDR_DeleteFileEntry out of memory");
2068         return;
2069     }
2070
2071     memset( *ResultCB,
2072             '\0',
2073             size);
2074
2075     parentFid.cell   = ParentId.Cell;
2076     parentFid.volume = ParentId.Volume;
2077     parentFid.vnode  = ParentId.Vnode;
2078     parentFid.unique = ParentId.Unique;
2079     parentFid.hash   = ParentId.Hash;
2080
2081     code = cm_GetSCache(&parentFid, &dscp, userp, &req);
2082     if (code) {
2083         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2084         if ( status == STATUS_INVALID_HANDLE)
2085             status = STATUS_OBJECT_PATH_INVALID;
2086         (*ResultCB)->ResultStatus = status;
2087         osi_Log2(afsd_logp, "RDR_DeleteFileEntry cm_GetSCache ParentFID failure code=0x%x status=0x%x",
2088                   code, status);
2089         return;
2090     }
2091
2092     lock_ObtainWrite(&dscp->rw);
2093
2094     code = cm_SyncOp(dscp, NULL, userp, &req, 0,
2095                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2096     if (code) {
2097         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2098         (*ResultCB)->ResultStatus = status;
2099         (*ResultCB)->ResultBufferLength = 0;
2100         lock_ReleaseWrite(&dscp->rw);
2101         cm_ReleaseSCache(dscp);
2102         osi_Log3(afsd_logp, "RDR_DeleteFileEntry cm_SyncOp failure dscp=0x%p code=0x%x status=0x%x",
2103                  dscp, code, status);
2104         return;
2105     }
2106
2107     cm_SyncOpDone(dscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2108     lock_ReleaseWrite(&dscp->rw);
2109
2110     if (dscp->fileType != CM_SCACHETYPE_DIRECTORY) {
2111         (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
2112         cm_ReleaseSCache(dscp);
2113         osi_Log1(afsd_logp, "RDR_DeleteFileEntry Not a Directory dscp=0x%p",
2114                  dscp);
2115         return;
2116     }
2117
2118     code = cm_Lookup(dscp, FileName, 0, userp, &req, &scp);
2119     if (code) {
2120         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2121         (*ResultCB)->ResultStatus = status;
2122         (*ResultCB)->ResultBufferLength = 0;
2123         cm_ReleaseSCache(dscp);
2124         osi_Log2(afsd_logp, "RDR_DeleteFileEntry cm_Lookup failure code=0x%x status=0x%x",
2125                  code, status);
2126         return;
2127     }
2128
2129     lock_ObtainWrite(&scp->rw);
2130     code = cm_SyncOp(scp, NULL, userp, &req, PRSFS_DELETE,
2131                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2132     if (code) {
2133         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2134         (*ResultCB)->ResultStatus = status;
2135         (*ResultCB)->ResultBufferLength = 0;
2136         lock_ReleaseWrite(&scp->rw);
2137         cm_ReleaseSCache(scp);
2138         cm_ReleaseSCache(dscp);
2139         osi_Log3(afsd_logp, "RDR_DeleteFileEntry cm_SyncOp failure scp=0x%p code=0x%x status=0x%x",
2140                  scp, code, status);
2141         return;
2142     }
2143
2144     if (!bCheckOnly) {
2145         /* Drop all locks since the file is being deleted */
2146         code = cm_SyncOp(scp, NULL, userp, &req, 0,
2147                          CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
2148         if (code) {
2149             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2150             (*ResultCB)->ResultStatus = status;
2151             (*ResultCB)->ResultBufferLength = 0;
2152             lock_ReleaseWrite(&scp->rw);
2153             cm_ReleaseSCache(scp);
2154             cm_ReleaseSCache(dscp);
2155             osi_Log3(afsd_logp, "RDR_DeleteFileEntry cm_SyncOp Lock failure scp=0x%p code=0x%x status=0x%x",
2156                      scp, code, status);
2157         }
2158
2159         /* the scp is now locked and current */
2160         key = cm_GenerateKey(CM_SESSION_IFS, ProcessId, 0);
2161
2162         code = cm_UnlockByKey(scp, key,
2163                               CM_UNLOCK_FLAG_BY_FID,
2164                               userp, &req);
2165
2166         cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
2167         lock_ReleaseWrite(&scp->rw);
2168
2169         if (scp->fileType == CM_SCACHETYPE_DIRECTORY)
2170             code = cm_RemoveDir(dscp, NULL, FileName, userp, &req);
2171         else
2172             code = cm_Unlink(dscp, NULL, FileName, userp, &req);
2173     } else {
2174         lock_ReleaseWrite(&scp->rw);
2175     }
2176
2177     if (code == 0) {
2178         (*ResultCB)->ResultStatus = 0;  // We will be able to fit all the data in here
2179
2180         (*ResultCB)->ResultBufferLength = sizeof( AFSFileDeleteResultCB);
2181
2182         pResultCB = (AFSFileDeleteResultCB *)(*ResultCB)->ResultData;
2183
2184         pResultCB->ParentDataVersion.QuadPart = dscp->dataVersion;
2185         osi_Log0(afsd_logp, "RDR_DeleteFileEntry SUCCESS");
2186     } else {
2187         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2188         (*ResultCB)->ResultStatus = status;
2189         (*ResultCB)->ResultBufferLength = 0;
2190         osi_Log2(afsd_logp, "RDR_DeleteFileEntry FAILURE code=0x%x status=0x%x",
2191                   code, status);
2192     }
2193
2194     cm_ReleaseSCache(dscp);
2195     cm_ReleaseSCache(scp);
2196
2197     return;
2198 }
2199
2200 void
2201 RDR_RenameFileEntry( IN cm_user_t *userp,
2202                      IN WCHAR    *SourceFileNameCounted,
2203                      IN DWORD     SourceFileNameLength,
2204                      IN AFSFileID SourceFileId,
2205                      IN AFSFileRenameCB *pRenameCB,
2206                      IN BOOL bWow64,
2207                      IN DWORD ResultBufferLength,
2208                      IN OUT AFSCommResult **ResultCB)
2209 {
2210
2211     AFSFileRenameResultCB *pResultCB = NULL;
2212     size_t size = sizeof(AFSCommResult) + ResultBufferLength - 1;
2213     AFSFileID              SourceParentId   = pRenameCB->SourceParentId;
2214     AFSFileID              TargetParentId   = pRenameCB->TargetParentId;
2215     WCHAR *                TargetFileNameCounted = pRenameCB->TargetName;
2216     DWORD                  TargetFileNameLength = pRenameCB->TargetNameLength;
2217     cm_fid_t               SourceParentFid;
2218     cm_fid_t               TargetParentFid;
2219     cm_fid_t               SourceFid;
2220     cm_fid_t               OrigTargetFid = {0,0,0,0,0};
2221     cm_fid_t               TargetFid;
2222     cm_scache_t *          oldDscp;
2223     cm_scache_t *          newDscp;
2224     cm_dirOp_t dirop;
2225     wchar_t                shortName[13];
2226     wchar_t                SourceFileName[260];
2227     wchar_t                TargetFileName[260];
2228     cm_dirFid_t            dfid;
2229     cm_req_t               req;
2230     afs_uint32             code;
2231     DWORD                  status;
2232
2233     RDR_InitReq(&req);
2234     if ( bWow64 )
2235         req.flags |= CM_REQ_WOW64;
2236
2237     StringCchCopyNW(SourceFileName, 260, SourceFileNameCounted, SourceFileNameLength / sizeof(WCHAR));
2238     StringCchCopyNW(TargetFileName, 260, TargetFileNameCounted, TargetFileNameLength / sizeof(WCHAR));
2239
2240     osi_Log4(afsd_logp, "RDR_RenameFileEntry Source Parent FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
2241               SourceParentId.Cell,  SourceParentId.Volume,
2242               SourceParentId.Vnode, SourceParentId.Unique);
2243     osi_Log2(afsd_logp, "... Source Name=%S Length %u", osi_LogSaveStringW(afsd_logp, SourceFileName), SourceFileNameLength);
2244     osi_Log4(afsd_logp, "... Target Parent FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
2245               TargetParentId.Cell,  TargetParentId.Volume,
2246               TargetParentId.Vnode, TargetParentId.Unique);
2247     osi_Log2(afsd_logp, "... Target Name=%S Length %u", osi_LogSaveStringW(afsd_logp, TargetFileName), TargetFileNameLength);
2248
2249     *ResultCB = (AFSCommResult *)malloc( size);
2250     if (!(*ResultCB))
2251         return;
2252
2253     memset( *ResultCB,
2254             '\0',
2255             size);
2256
2257     pResultCB = (AFSFileRenameResultCB *)(*ResultCB)->ResultData;
2258
2259     if (SourceFileNameLength == 0 || TargetFileNameLength == 0)
2260     {
2261         osi_Log2(afsd_logp, "RDR_RenameFileEntry Invalid Name Length: src %u target %u",
2262                  SourceFileNameLength, TargetFileNameLength);
2263         (*ResultCB)->ResultStatus = STATUS_INVALID_PARAMETER;
2264         return;
2265     }
2266
2267     SourceParentFid.cell   = SourceParentId.Cell;
2268     SourceParentFid.volume = SourceParentId.Volume;
2269     SourceParentFid.vnode  = SourceParentId.Vnode;
2270     SourceParentFid.unique = SourceParentId.Unique;
2271     SourceParentFid.hash   = SourceParentId.Hash;
2272
2273     TargetParentFid.cell   = TargetParentId.Cell;
2274     TargetParentFid.volume = TargetParentId.Volume;
2275     TargetParentFid.vnode  = TargetParentId.Vnode;
2276     TargetParentFid.unique = TargetParentId.Unique;
2277     TargetParentFid.hash   = TargetParentId.Hash;
2278
2279     code = cm_GetSCache(&SourceParentFid, &oldDscp, userp, &req);
2280     if (code) {
2281         osi_Log1(afsd_logp, "RDR_RenameFileEntry cm_GetSCache source parent failed code 0x%x", code);
2282         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2283         if ( status == STATUS_INVALID_HANDLE)
2284             status = STATUS_OBJECT_PATH_INVALID;
2285         (*ResultCB)->ResultStatus = status;
2286         return;
2287     }
2288
2289     lock_ObtainWrite(&oldDscp->rw);
2290     code = cm_SyncOp(oldDscp, NULL, userp, &req, 0,
2291                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2292     if (code) {
2293         osi_Log2(afsd_logp, "RDR_RenameFileEntry cm_SyncOp oldDscp 0x%p failed code 0x%x", oldDscp, code);
2294         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2295         if ( status == STATUS_INVALID_HANDLE)
2296             status = STATUS_OBJECT_PATH_INVALID;
2297         (*ResultCB)->ResultStatus = status;
2298         lock_ReleaseWrite(&oldDscp->rw);
2299         cm_ReleaseSCache(oldDscp);
2300         return;
2301     }
2302
2303     cm_SyncOpDone(oldDscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2304     lock_ReleaseWrite(&oldDscp->rw);
2305
2306
2307     if (oldDscp->fileType != CM_SCACHETYPE_DIRECTORY) {
2308         osi_Log1(afsd_logp, "RDR_RenameFileEntry oldDscp 0x%p not a directory", oldDscp);
2309         (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
2310         cm_ReleaseSCache(oldDscp);
2311         return;
2312     }
2313
2314     code = cm_GetSCache(&TargetParentFid, &newDscp, userp, &req);
2315     if (code) {
2316         osi_Log1(afsd_logp, "RDR_RenameFileEntry cm_GetSCache target parent failed code 0x%x", code);
2317         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2318         (*ResultCB)->ResultStatus = status;
2319         cm_ReleaseSCache(oldDscp);
2320         return;
2321     }
2322
2323     lock_ObtainWrite(&newDscp->rw);
2324     code = cm_SyncOp(newDscp, NULL, userp, &req, 0,
2325                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2326     if (code) {
2327         osi_Log2(afsd_logp, "RDR_RenameFileEntry cm_SyncOp newDscp 0x%p failed code 0x%x", newDscp, code);
2328         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2329         (*ResultCB)->ResultStatus = status;
2330         lock_ReleaseWrite(&newDscp->rw);
2331         cm_ReleaseSCache(oldDscp);
2332         cm_ReleaseSCache(newDscp);
2333         return;
2334     }
2335
2336     cm_SyncOpDone(newDscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2337     lock_ReleaseWrite(&newDscp->rw);
2338
2339
2340     if (newDscp->fileType != CM_SCACHETYPE_DIRECTORY) {
2341         osi_Log1(afsd_logp, "RDR_RenameFileEntry newDscp 0x%p not a directory", newDscp);
2342         (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
2343         cm_ReleaseSCache(oldDscp);
2344         cm_ReleaseSCache(newDscp);
2345         return;
2346     }
2347
2348     /* Obtain the original FID just for debugging purposes */
2349     code = cm_BeginDirOp( oldDscp, userp, &req, CM_DIRLOCK_READ, CM_DIROP_FLAG_NONE, &dirop);
2350     if (code == 0) {
2351         code = cm_BPlusDirLookup(&dirop, SourceFileName, &SourceFid);
2352         code = cm_BPlusDirLookup(&dirop, TargetFileName, &OrigTargetFid);
2353         cm_EndDirOp(&dirop);
2354     }
2355
2356     code = cm_Rename( oldDscp, NULL, SourceFileName,
2357                       newDscp, TargetFileName, userp, &req);
2358     if (code == 0) {
2359         cm_scache_t *scp = 0;
2360         DWORD dwRemaining;
2361
2362         (*ResultCB)->ResultBufferLength = ResultBufferLength;
2363         dwRemaining = ResultBufferLength - sizeof( AFSFileRenameResultCB) + sizeof( AFSDirEnumEntry);
2364         (*ResultCB)->ResultStatus = 0;
2365
2366         pResultCB->SourceParentDataVersion.QuadPart = oldDscp->dataVersion;
2367         pResultCB->TargetParentDataVersion.QuadPart = newDscp->dataVersion;
2368
2369         osi_Log2(afsd_logp, "RDR_RenameFileEntry cm_Rename oldDscp 0x%p newDscp 0x%p SUCCESS",
2370                  oldDscp, newDscp);
2371
2372         code = cm_BeginDirOp( newDscp, userp, &req, CM_DIRLOCK_READ, CM_DIROP_FLAG_NONE, &dirop);
2373         if (code == 0) {
2374             code = cm_BPlusDirLookup(&dirop, TargetFileName, &TargetFid);
2375             cm_EndDirOp(&dirop);
2376         }
2377
2378         if (code != 0) {
2379             osi_Log1(afsd_logp, "RDR_RenameFileEntry cm_BPlusDirLookup failed code 0x%x",
2380                      code);
2381             (*ResultCB)->ResultStatus = STATUS_OBJECT_PATH_INVALID;
2382             cm_ReleaseSCache(oldDscp);
2383             cm_ReleaseSCache(newDscp);
2384             return;
2385         }
2386
2387         osi_Log4(afsd_logp, "RDR_RenameFileEntry Target FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
2388                   TargetFid.cell,  TargetFid.volume,
2389                   TargetFid.vnode, TargetFid.unique);
2390
2391         code = cm_GetSCache(&TargetFid, &scp, userp, &req);
2392         if (code) {
2393             osi_Log1(afsd_logp, "RDR_RenameFileEntry cm_GetSCache target failed code 0x%x", code);
2394             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2395             (*ResultCB)->ResultStatus = status;
2396             cm_ReleaseSCache(oldDscp);
2397             cm_ReleaseSCache(newDscp);
2398             return;
2399         }
2400
2401         /* Make sure the source vnode is current */
2402         lock_ObtainWrite(&scp->rw);
2403         code = cm_SyncOp(scp, NULL, userp, &req, 0,
2404                           CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2405         if (code) {
2406             osi_Log2(afsd_logp, "RDR_RenameFileEntry cm_SyncOp scp 0x%p failed code 0x%x", scp, code);
2407             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2408             (*ResultCB)->ResultStatus = status;
2409             lock_ReleaseWrite(&scp->rw);
2410             cm_ReleaseSCache(oldDscp);
2411             cm_ReleaseSCache(newDscp);
2412             cm_ReleaseSCache(scp);
2413             return;
2414         }
2415
2416         cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2417         lock_ReleaseWrite(&scp->rw);
2418
2419         dfid.vnode = htonl(scp->fid.vnode);
2420         dfid.unique = htonl(scp->fid.unique);
2421
2422         if (!cm_Is8Dot3(TargetFileName))
2423             cm_Gen8Dot3NameIntW(TargetFileName, &dfid, shortName, NULL);
2424         else
2425             shortName[0] = '\0';
2426
2427         RDR_PopulateCurrentEntry(&pResultCB->DirEnum, dwRemaining,
2428                                  newDscp, scp, userp, &req, TargetFileName, shortName,
2429                                  RDR_POP_FOLLOW_MOUNTPOINTS | RDR_POP_EVALUATE_SYMLINKS,
2430                                  0, NULL, &dwRemaining);
2431         (*ResultCB)->ResultBufferLength = ResultBufferLength - dwRemaining;
2432         cm_ReleaseSCache(scp);
2433
2434         osi_Log0(afsd_logp, "RDR_RenameFileEntry SUCCESS");
2435     } else {
2436         osi_Log3(afsd_logp, "RDR_RenameFileEntry cm_Rename oldDscp 0x%p newDscp 0x%p failed code 0x%x",
2437                  oldDscp, newDscp, code);
2438         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2439         (*ResultCB)->ResultStatus = status;
2440         (*ResultCB)->ResultBufferLength = 0;
2441     }
2442
2443     cm_ReleaseSCache(oldDscp);
2444     cm_ReleaseSCache(newDscp);
2445     return;
2446 }
2447
2448 void
2449 RDR_FlushFileEntry( IN cm_user_t *userp,
2450                     IN AFSFileID FileId,
2451                     IN BOOL bWow64,
2452                     IN DWORD ResultBufferLength,
2453                     IN OUT AFSCommResult **ResultCB)
2454 {
2455     cm_scache_t *scp = NULL;
2456     cm_fid_t    Fid;
2457     afs_uint32  code;
2458     cm_req_t    req;
2459     DWORD       status;
2460 #ifdef ODS_DEBUG
2461     char        dbgstr[1024];
2462 #endif
2463
2464     RDR_InitReq(&req);
2465     if ( bWow64 )
2466         req.flags |= CM_REQ_WOW64;
2467
2468     osi_Log4(afsd_logp, "RDR_FlushFileEntry File FID cell 0x%x vol 0x%x vno 0x%x uniq 0x%x",
2469               FileId.Cell, FileId.Volume,
2470               FileId.Vnode, FileId.Unique);
2471 #ifdef ODS_DEBUG
2472     snprintf( dbgstr, 1024,
2473               "RDR_FlushFileEntry File FID cell 0x%x vol 0x%x vno 0x%x uniq 0x%x\n",
2474               FileId.Cell, FileId.Volume,
2475               FileId.Vnode, FileId.Unique);
2476     OutputDebugStringA( dbgstr);
2477 #endif
2478
2479     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult));
2480     if (!(*ResultCB)) {
2481         osi_Log0(afsd_logp, "RDR_FlushFileEntry out of memory");
2482         return;
2483     }
2484
2485     memset( *ResultCB,
2486             '\0',
2487             sizeof( AFSCommResult));
2488
2489     /* Process the release */
2490     Fid.cell = FileId.Cell;
2491     Fid.volume = FileId.Volume;
2492     Fid.vnode = FileId.Vnode;
2493     Fid.unique = FileId.Unique;
2494     Fid.hash = FileId.Hash;
2495
2496     code = cm_GetSCache(&Fid, &scp, userp, &req);
2497     if (code) {
2498         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2499         (*ResultCB)->ResultStatus = status;
2500         osi_Log2(afsd_logp, "RDR_FlushFileEntry cm_GetSCache FID failure code=0x%x status=0x%x",
2501                   code, status);
2502         return;
2503     }
2504
2505     lock_ObtainWrite(&scp->rw);
2506     if (scp->flags & CM_SCACHEFLAG_DELETED) {
2507         lock_ReleaseWrite(&scp->rw);
2508         (*ResultCB)->ResultStatus = STATUS_INVALID_HANDLE;
2509         return;
2510     }
2511
2512     code = cm_SyncOp(scp, NULL, userp, &req, 0,
2513                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2514     if (code) {
2515         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2516         (*ResultCB)->ResultStatus = status;
2517         lock_ReleaseWrite(&scp->rw);
2518         cm_ReleaseSCache(scp);
2519         osi_Log3(afsd_logp, "RDR_FlushFileEntry cm_SyncOp failure scp=0x%p code=0x%x status=0x%x",
2520                  scp, code, status);
2521         return;
2522     }
2523
2524     cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2525     lock_ReleaseWrite(&scp->rw);
2526
2527     code = cm_FSync(scp, userp, &req, FALSE);
2528     cm_ReleaseSCache(scp);
2529
2530     if (code) {
2531         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2532         (*ResultCB)->ResultStatus = status;
2533         osi_Log2(afsd_logp, "RDR_FlushFileEntry FAILURE code=0x%x status=0x%x",
2534                   code, status);
2535     } else {
2536         (*ResultCB)->ResultStatus = 0;
2537         osi_Log0(afsd_logp, "RDR_FlushFileEntry SUCCESS");
2538     }
2539     (*ResultCB)->ResultBufferLength = 0;
2540
2541     return;
2542 }
2543
2544 afs_uint32
2545 RDR_CheckAccess( IN cm_scache_t *scp, cm_user_t *userp, cm_req_t *reqp,
2546                  ULONG access,
2547                  ULONG *granted)
2548 {
2549     ULONG afs_acc, afs_gr;
2550     BOOLEAN file, dir;
2551     afs_uint32 code = 0;
2552
2553     file = (scp->fileType == CM_SCACHETYPE_FILE);
2554     dir = !file;
2555
2556     /* access definitions from prs_fs.h */
2557     afs_acc = 0;
2558     if (access & FILE_READ_DATA)
2559         afs_acc |= PRSFS_READ;
2560     if (access & FILE_READ_EA || access & FILE_READ_ATTRIBUTES)
2561         afs_acc |= PRSFS_READ;
2562     if (file && ((access & FILE_WRITE_DATA) || (access & FILE_APPEND_DATA)))
2563         afs_acc |= PRSFS_WRITE;
2564     if (access & FILE_WRITE_EA || access & FILE_WRITE_ATTRIBUTES)
2565         afs_acc |= PRSFS_WRITE;
2566     if (dir && ((access & FILE_ADD_FILE) || (access & FILE_ADD_SUBDIRECTORY)))
2567         afs_acc |= PRSFS_INSERT;
2568     if (dir && (access & FILE_LIST_DIRECTORY))
2569         afs_acc |= PRSFS_LOOKUP;
2570     if (file && (access & FILE_EXECUTE))
2571         afs_acc |= PRSFS_WRITE;
2572     if (dir && (access & FILE_TRAVERSE))
2573         afs_acc |= PRSFS_READ;
2574     if (dir && (access & FILE_DELETE_CHILD))
2575         afs_acc |= PRSFS_DELETE;
2576     if ((access & DELETE))
2577         afs_acc |= PRSFS_DELETE;
2578
2579     /* check ACL with server */
2580     lock_ObtainWrite(&scp->rw);
2581     while (1)
2582     {
2583         if (cm_HaveAccessRights(scp, userp, reqp, afs_acc, &afs_gr))
2584         {
2585             break;
2586         }
2587         else
2588         {
2589             /* we don't know the required access rights */
2590             code = cm_GetAccessRights(scp, userp, reqp);
2591             if (code)
2592                 break;
2593             continue;
2594         }
2595     }
2596     lock_ReleaseWrite(&(scp->rw));
2597
2598     if (code == 0) {
2599         *granted = 0;
2600         if (afs_gr & PRSFS_READ)
2601             *granted |= FILE_READ_DATA | FILE_READ_EA | FILE_READ_ATTRIBUTES | FILE_EXECUTE;
2602         if (afs_gr & PRSFS_WRITE)
2603             *granted |= FILE_WRITE_DATA | FILE_APPEND_DATA | FILE_WRITE_EA | FILE_WRITE_ATTRIBUTES | FILE_EXECUTE;
2604         if (afs_gr & PRSFS_INSERT)
2605             *granted |= (dir ? FILE_ADD_FILE | FILE_ADD_SUBDIRECTORY : 0) | (file ? FILE_ADD_SUBDIRECTORY : 0);
2606         if (afs_gr & PRSFS_LOOKUP)
2607             *granted |= (dir ? FILE_LIST_DIRECTORY : 0);
2608         if (afs_gr & PRSFS_DELETE)
2609             *granted |= FILE_DELETE_CHILD | DELETE;
2610         if (afs_gr & PRSFS_LOCK)
2611             *granted |= 0;
2612         if (afs_gr & PRSFS_ADMINISTER)
2613             *granted |= 0;
2614
2615         *granted |= SYNCHRONIZE | READ_CONTROL;
2616
2617         /* don't give more access than what was requested */
2618         *granted &= access;
2619         osi_Log3(afsd_logp, "RDR_CheckAccess SUCCESS scp=0x%p requested=0x%x granted=0x%x", scp, access, *granted);
2620     } else
2621         osi_Log2(afsd_logp, "RDR_CheckAccess FAILURE scp=0x%p code=0x%x",
2622                  scp, code);
2623
2624     return code;
2625 }
2626
2627 void
2628 RDR_OpenFileEntry( IN cm_user_t *userp,
2629                    IN AFSFileID FileId,
2630                    IN AFSFileOpenCB *OpenCB,
2631                    IN BOOL bWow64,
2632                    IN BOOL bHoldFid,
2633                    IN DWORD ResultBufferLength,
2634                    IN OUT AFSCommResult **ResultCB)
2635 {
2636     AFSFileOpenResultCB *pResultCB = NULL;
2637     cm_scache_t *scp = NULL;
2638     cm_user_t   *sysUserp = NULL;
2639     cm_fid_t    Fid;
2640     cm_lock_data_t      *ldp = NULL;
2641     afs_uint32  code;
2642     cm_req_t    req;
2643     DWORD       status;
2644
2645     RDR_InitReq(&req);
2646     if ( bWow64 )
2647         req.flags |= CM_REQ_WOW64;
2648
2649     osi_Log4(afsd_logp, "RDR_OpenFileEntry File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
2650               FileId.Cell, FileId.Volume,
2651               FileId.Vnode, FileId.Unique);
2652
2653     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult) + sizeof( AFSFileOpenResultCB));
2654     if (!(*ResultCB)) {
2655         osi_Log0(afsd_logp, "RDR_OpenFileEntry out of memory");
2656         return;
2657     }
2658
2659     memset( *ResultCB,
2660             '\0',
2661             sizeof( AFSCommResult) + sizeof( AFSFileOpenResultCB));
2662
2663     pResultCB = (AFSFileOpenResultCB *)(*ResultCB)->ResultData;
2664
2665     /* Process the release */
2666     Fid.cell = FileId.Cell;
2667     Fid.volume = FileId.Volume;
2668     Fid.vnode = FileId.Vnode;
2669     Fid.unique = FileId.Unique;
2670     Fid.hash = FileId.Hash;
2671
2672     code = cm_GetSCache(&Fid, &scp, userp, &req);
2673     if (code) {
2674         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2675         (*ResultCB)->ResultStatus = status;
2676         osi_Log2(afsd_logp, "RDR_OpenFileEntry cm_GetSCache FID failure code=0x%x status=0x%x",
2677                   code, status);
2678         return;
2679     }
2680
2681     lock_ObtainWrite(&scp->rw);
2682     code = cm_SyncOp(scp, NULL, userp, &req, 0,
2683                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2684     if (code) {
2685         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2686         (*ResultCB)->ResultStatus = status;
2687         lock_ReleaseWrite(&scp->rw);
2688         cm_ReleaseSCache(scp);
2689         osi_Log3(afsd_logp, "RDR_OpenFileEntry cm_SyncOp failure scp=0x%p code=0x%x status=0x%x",
2690                  scp, code, status);
2691         return;
2692     }
2693
2694     cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2695     lock_ReleaseWrite(&scp->rw);
2696
2697     sysUserp = RDR_GetLocalSystemUser();
2698
2699     /*
2700      * Skip the open check if the request is coming from the local system account.
2701      * The local system has no tokens and therefore any requests sent to a file
2702      * server will fail.  Unfortunately, there are special system processes that
2703      * perform actions on files and directories in preparation for memory mapping
2704      * executables.  If the open check fails, the real request from the user process
2705      * will never be issued.
2706      *
2707      * Permitting the file system to allow subsequent operations to proceed does
2708      * not compromise security.  All requests to obtain file data or directory
2709      * enumerations will subsequently fail if they are not submitted under the
2710      * context of a process for that have access to the necessary credentials.
2711      */
2712
2713     if ( userp == sysUserp)
2714     {
2715         osi_Log1(afsd_logp, "RDR_OpenFileEntry LOCAL_SYSTEM access check skipped scp=0x%p",
2716                  scp);
2717         pResultCB->GrantedAccess = OpenCB->DesiredAccess;
2718         pResultCB->FileAccess = AFS_FILE_ACCESS_NOLOCK;
2719         code = 0;
2720     }
2721     else
2722     {
2723         int count = 0;
2724
2725         do {
2726             if (count++ > 0) {
2727                 Sleep(350);
2728                 osi_Log3(afsd_logp,
2729                          "RDR_OpenFileEntry repeating open check scp=0x%p userp=0x%p code=0x%x",
2730                          scp, userp, code);
2731             }
2732             code = cm_CheckNTOpen(scp, OpenCB->DesiredAccess, OpenCB->ShareAccess,
2733                                   OPEN_ALWAYS,
2734                                   OpenCB->ProcessId, OpenCB->Identifier,
2735                                   userp, &req, &ldp);
2736             if (code == 0)
2737                 code = RDR_CheckAccess(scp, userp, &req, OpenCB->DesiredAccess, &pResultCB->GrantedAccess);
2738             cm_CheckNTOpenDone(scp, userp, &req, &ldp);
2739         } while (count < 100 && (code == CM_ERROR_RETRY || code == CM_ERROR_WOULDBLOCK));
2740     }
2741
2742     /*
2743      * If we are restricting sharing, we should do so with a suitable
2744      * share lock.
2745      */
2746     if (code == 0 && scp->fileType == CM_SCACHETYPE_FILE && !(OpenCB->ShareAccess & FILE_SHARE_WRITE)) {
2747         cm_key_t key;
2748         LARGE_INTEGER LOffset, LLength;
2749         int sLockType;
2750
2751         LOffset.HighPart = SMB_FID_QLOCK_HIGH;
2752         LOffset.LowPart = SMB_FID_QLOCK_LOW;
2753         LLength.HighPart = 0;
2754         LLength.LowPart = SMB_FID_QLOCK_LENGTH;
2755
2756         /*
2757          * If we are not opening the file for writing, then we don't
2758          * try to get an exclusive lock.  No one else should be able to
2759          * get an exclusive lock on the file anyway, although someone
2760          * else can get a shared lock.
2761          */
2762         if ((OpenCB->ShareAccess & FILE_SHARE_READ) || !(OpenCB->DesiredAccess & AFS_ACCESS_WRITE))
2763         {
2764             sLockType = LOCKING_ANDX_SHARED_LOCK;
2765         } else {
2766             sLockType = 0;
2767         }
2768
2769         key = cm_GenerateKey(CM_SESSION_IFS, SMB_FID_QLOCK_PID, OpenCB->Identifier);
2770
2771         lock_ObtainWrite(&scp->rw);
2772         code = cm_Lock(scp, sLockType, LOffset, LLength, key, 0, userp, &req, NULL);
2773         lock_ReleaseWrite(&scp->rw);
2774
2775         if (code) {
2776             code = CM_ERROR_SHARING_VIOLATION;
2777             pResultCB->FileAccess = AFS_FILE_ACCESS_NOLOCK;
2778         } else {
2779             if (sLockType == LOCKING_ANDX_SHARED_LOCK)
2780                 pResultCB->FileAccess = AFS_FILE_ACCESS_SHARED;
2781             else
2782                 pResultCB->FileAccess = AFS_FILE_ACCESS_EXCLUSIVE;
2783         }
2784     } else {
2785         pResultCB->FileAccess = AFS_FILE_ACCESS_NOLOCK;
2786     }
2787
2788     cm_ReleaseUser(sysUserp);
2789     if (code == 0 && bHoldFid)
2790         RDR_FlagScpInUse( scp, FALSE );
2791     cm_ReleaseSCache(scp);
2792
2793     if (code) {
2794         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2795         (*ResultCB)->ResultStatus = status;
2796         osi_Log2(afsd_logp, "RDR_OpenFileEntry FAILURE code=0x%x status=0x%x",
2797                   code, status);
2798     } else {
2799         (*ResultCB)->ResultStatus = 0;
2800         (*ResultCB)->ResultBufferLength = sizeof( AFSFileOpenResultCB);
2801         osi_Log0(afsd_logp, "RDR_OpenFileEntry SUCCESS");
2802     }
2803     return;
2804 }
2805
2806 void
2807 RDR_ReleaseFileAccess( IN cm_user_t *userp,
2808                        IN AFSFileID FileId,
2809                        IN AFSFileAccessReleaseCB *ReleaseFileCB,
2810                        IN BOOL bWow64,
2811                        IN DWORD ResultBufferLength,
2812                        IN OUT AFSCommResult **ResultCB)
2813 {
2814     cm_key_t key;
2815     unsigned int sLockType;
2816     LARGE_INTEGER LOffset, LLength;
2817     cm_scache_t *scp = NULL;
2818     cm_fid_t    Fid;
2819     afs_uint32  code;
2820     cm_req_t    req;
2821     DWORD       status;
2822
2823     RDR_InitReq(&req);
2824     if ( bWow64 )
2825         req.flags |= CM_REQ_WOW64;
2826
2827     osi_Log4(afsd_logp, "RDR_ReleaseFileAccess File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
2828               FileId.Cell, FileId.Volume,
2829               FileId.Vnode, FileId.Unique);
2830
2831     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult));
2832     if (!(*ResultCB)) {
2833         osi_Log0(afsd_logp, "RDR_ReleaseFileAccess out of memory");
2834         return;
2835     }
2836
2837     memset( *ResultCB, '\0', sizeof( AFSCommResult));
2838
2839     if (ReleaseFileCB->FileAccess == AFS_FILE_ACCESS_NOLOCK)
2840         return;
2841
2842     /* Process the release */
2843     Fid.cell = FileId.Cell;
2844     Fid.volume = FileId.Volume;
2845     Fid.vnode = FileId.Vnode;
2846     Fid.unique = FileId.Unique;
2847     Fid.hash = FileId.Hash;
2848
2849     code = cm_GetSCache(&Fid, &scp, userp, &req);
2850     if (code) {
2851         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2852         (*ResultCB)->ResultStatus = status;
2853         osi_Log2(afsd_logp, "RDR_ReleaseFileAccess cm_GetSCache FID failure code=0x%x status=0x%x",
2854                   code, status);
2855         return;
2856     }
2857
2858     if (ReleaseFileCB->FileAccess == AFS_FILE_ACCESS_SHARED)
2859         sLockType = LOCKING_ANDX_SHARED_LOCK;
2860     else
2861         sLockType = 0;
2862
2863     key = cm_GenerateKey(CM_SESSION_IFS, SMB_FID_QLOCK_PID, ReleaseFileCB->Identifier);
2864
2865     LOffset.HighPart = SMB_FID_QLOCK_HIGH;
2866     LOffset.LowPart = SMB_FID_QLOCK_LOW;
2867     LLength.HighPart = 0;
2868     LLength.LowPart = SMB_FID_QLOCK_LENGTH;
2869
2870     lock_ObtainWrite(&scp->rw);
2871
2872     code = cm_SyncOp(scp, NULL, userp, &req, 0, CM_SCACHESYNC_LOCK);
2873     if (code == 0)
2874     {
2875         code = cm_Unlock(scp, sLockType, LOffset, LLength, key, 0, userp, &req);
2876
2877         cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_LOCK);
2878
2879         if (code == CM_ERROR_RANGE_NOT_LOCKED)
2880         {
2881             osi_Log3(afsd_logp, "RDR_ReleaseFileAccess Range Not Locked -- FileAccess 0x%x ProcessId 0x%x HandleId 0x%x",
2882                      ReleaseFileCB->FileAccess, ReleaseFileCB->ProcessId, ReleaseFileCB->Identifier);
2883         }
2884     }
2885
2886     lock_ReleaseWrite(&scp->rw);
2887
2888     osi_Log0(afsd_logp, "RDR_ReleaseFileAccessEntry SUCCESS");
2889 }
2890
2891 static const char *
2892 HexCheckSum(unsigned char * buf, int buflen, unsigned char * md5cksum)
2893 {
2894     int i, k;
2895     static char tr[16] = {'0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'};
2896
2897     if (buflen < 33)
2898         return "buffer length too small to HexCheckSum";
2899
2900     for (i=0;i<16;i++) {
2901         k = md5cksum[i];
2902
2903         buf[i*2] = tr[k / 16];
2904         buf[i*2+1] = tr[k % 16];
2905     }
2906     buf[32] = '\0';
2907
2908     return buf;
2909 }
2910
2911 /*
2912  * Extent requests from the file system are triggered when a file
2913  * page is not resident in the Windows cache.  The file system is
2914  * responsible for loading the page but cannot block the request
2915  * while doing so.  The AFS Redirector forwards the requests to
2916  * the AFS cache manager while indicating to Windows that the page
2917  * is not yet available.  A polling operation will then ensue with
2918  * the AFS Redirector issuing a RDR_RequestFileExtentsXXX call for
2919  * each poll attempt.  As each request is received and processed
2920  * by a separate worker thread in the service, this can lead to
2921  * contention by multiple threads attempting to claim the same
2922  * cm_buf_t objects.  Therefore, it is important that
2923  *
2924  *  (a) the service avoid processing more than one overlapping
2925  *      extent request at a time
2926  *  (b) background daemon processing be used to avoid blocking
2927  *      of ioctl threads
2928  *
2929  * Beginning with the 20091122 build of the redirector, the redirector
2930  * will not issue an additional RDR_RequestFileExtentsXXX call for
2931  * each poll request.  Instead, afsd_service is required to track
2932  * the requests and return them to the redirector or fail the
2933  * portions of the request that cannot be satisfied.
2934  *
2935  * The request processing returns any extents that can be returned
2936  * immediately to the redirector.  The rest of the requested range(s)
2937  * are queued as background operations using RDR_BkgFetch().
2938  */
2939
2940 /* do the background fetch. */
2941 afs_int32
2942 RDR_BkgFetch(cm_scache_t *scp, afs_uint32 p1, afs_uint32 p2, afs_uint32 p3, afs_uint32 p4,
2943              cm_user_t *userp, cm_req_t *reqp)
2944 {
2945     osi_hyper_t length;
2946     osi_hyper_t base;
2947     osi_hyper_t offset;
2948     osi_hyper_t end;
2949     osi_hyper_t fetched;
2950     osi_hyper_t tblocksize;
2951     afs_int32 code;
2952     int rwheld = 0;
2953     cm_buf_t *bufp = NULL;
2954     DWORD dwResultBufferLength;
2955     AFSSetFileExtentsCB *pResultCB;
2956     DWORD status;
2957     afs_uint32 count=0;
2958     AFSFileID FileId;
2959     int reportErrorToRedir = 0;
2960     int force_retry = 0;
2961
2962     FileId.Cell = scp->fid.cell;
2963     FileId.Volume = scp->fid.volume;
2964     FileId.Vnode = scp->fid.vnode;
2965     FileId.Unique = scp->fid.unique;
2966     FileId.Hash = scp->fid.hash;
2967
2968     if ((GetTickCount() - reqp->startTime) / 1000 > HardDeadtimeout * 5) {
2969         RDR_SetFileStatus( &scp->fid, &userp->authgroup, STATUS_IO_TIMEOUT);
2970         return 0;
2971     }
2972
2973     fetched.LowPart = 0;
2974     fetched.HighPart = 0;
2975     tblocksize = ConvertLongToLargeInteger(cm_data.buf_blockSize);
2976     base.LowPart = p1;
2977     base.HighPart = p2;
2978     length.LowPart = p3;
2979     length.HighPart = p4;
2980
2981     end = LargeIntegerAdd(base, length);
2982
2983     osi_Log5(afsd_logp, "Starting BKG Fetch scp 0x%p offset 0x%x:%x length 0x%x:%x",
2984              scp, p2, p1, p4, p3);
2985
2986     /*
2987      * Make sure we have a callback.
2988      * This is necessary so that we can return access denied
2989      * if a callback cannot be granted.
2990      */
2991     lock_ObtainWrite(&scp->rw);
2992     code = cm_SyncOp(scp, NULL, userp, reqp, PRSFS_READ,
2993                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2994     if (code) {
2995         lock_ReleaseWrite(&scp->rw);
2996         osi_Log2(afsd_logp, "RDR_BkgFetch cm_SyncOp failure scp=0x%p code=0x%x",
2997                  scp, code);
2998         smb_MapNTError(cm_MapRPCError(code, reqp), &status, TRUE);
2999         RDR_SetFileStatus( &scp->fid, &userp->authgroup, status);
3000         return code;
3001     }
3002     lock_ReleaseWrite(&scp->rw);
3003
3004     dwResultBufferLength = (DWORD)(sizeof( AFSSetFileExtentsCB) + sizeof( AFSSetFileExtentsCB) * (length.QuadPart / cm_data.blockSize + 1));
3005     pResultCB = (AFSSetFileExtentsCB *)malloc( dwResultBufferLength );
3006     if (!pResultCB)
3007         return CM_ERROR_RETRY;
3008
3009     memset( pResultCB, '\0', dwResultBufferLength );
3010     pResultCB->FileId = FileId;
3011
3012     for ( code = 0, offset = base;
3013           code == 0 && LargeIntegerLessThan(offset, end);
3014           offset = LargeIntegerAdd(offset, tblocksize) )
3015     {
3016         int bBufRelease = TRUE;
3017
3018         if (rwheld) {
3019             lock_ReleaseWrite(&scp->rw);
3020             rwheld = 0;
3021         }
3022
3023         code = buf_Get(scp, &offset, reqp, &bufp);
3024         if (code) {
3025             /*
3026              * any error from buf_Get() is non-fatal.
3027              * we need to re-queue this extent fetch.
3028              */
3029             force_retry = 1;
3030             break;
3031         }
3032
3033         if (!rwheld) {
3034             lock_ObtainWrite(&scp->rw);
3035             rwheld = 1;
3036         }
3037
3038         code = cm_GetBuffer(scp, bufp, NULL, userp, reqp);
3039         if (code == 0) {
3040             if (!(bufp->qFlags & CM_BUF_QREDIR)) {
3041 #ifdef VALIDATE_CHECK_SUM
3042 #ifdef ODS_DEBUG
3043                 char md5dbg[33];
3044                 char dbgstr[1024];
3045 #endif
3046 #endif
3047                 if (bufp->flags & CM_BUF_DIRTY)
3048                     cm_BufWrite(scp, &bufp->offset, cm_data.buf_blockSize, CM_BUF_WRITE_SCP_LOCKED, userp, reqp);
3049
3050                 lock_ObtainWrite(&buf_globalLock);
3051                 if (!(bufp->flags & CM_BUF_DIRTY) &&
3052                     bufp->cmFlags == 0 &&
3053                     !(bufp->qFlags & CM_BUF_QREDIR)) {
3054                     buf_InsertToRedirQueue(scp, bufp);
3055                     lock_ReleaseWrite(&buf_globalLock);
3056
3057 #ifdef VALIDATE_CHECK_SUM
3058                     buf_ComputeCheckSum(bufp);
3059 #endif
3060                     pResultCB->FileExtents[count].Flags = 0;
3061                     pResultCB->FileExtents[count].FileOffset.QuadPart = bufp->offset.QuadPart;
3062                     pResultCB->FileExtents[count].CacheOffset.QuadPart = bufp->datap - RDR_extentBaseAddress;
3063                     pResultCB->FileExtents[count].Length = cm_data.blockSize;
3064                     count++;
3065                     fetched = LargeIntegerAdd(fetched, tblocksize);
3066                     bBufRelease = FALSE;
3067
3068 #ifdef VALIDATE_CHECK_SUM
3069 #ifdef ODS_DEBUG
3070                     HexCheckSum(md5dbg, sizeof(md5dbg), bufp->md5cksum);
3071                     snprintf( dbgstr, 1024,
3072                               "RDR_BkgFetch md5 %s vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
3073                               md5dbg,
3074                               scp->fid.volume, scp->fid.vnode, scp->fid.unique,
3075                               pResultCB->FileExtents[count].FileOffset.HighPart,
3076                               pResultCB->FileExtents[count].FileOffset.LowPart,
3077                               pResultCB->FileExtents[count].CacheOffset.HighPart,
3078                               pResultCB->FileExtents[count].CacheOffset.LowPart);
3079                     OutputDebugStringA( dbgstr);
3080 #endif
3081 #endif
3082                     osi_Log4(afsd_logp, "RDR_BkgFetch Extent2FS bufp 0x%p foffset 0x%p coffset 0x%p len 0x%x",
3083                               bufp, bufp->offset.QuadPart, bufp->datap - RDR_extentBaseAddress, cm_data.blockSize);
3084                 } else {
3085                     lock_ReleaseWrite(&buf_globalLock);
3086                     if ((bufp->cmFlags != 0) || (bufp->flags & CM_BUF_DIRTY)) {
3087                         /* An I/O operation is already in progress */
3088                         force_retry = 1;
3089                         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",
3090                                   bufp, bufp->offset.QuadPart, bufp->datap - RDR_extentBaseAddress, cm_data.blockSize);
3091                     } else {
3092                         osi_Log4(afsd_logp, "RDR_BkgFetch Extent2FS Already held by Redirector bufp 0x%p foffset 0x%p coffset 0x%p len 0x%x",
3093                                   bufp, bufp->offset.QuadPart, bufp->datap - RDR_extentBaseAddress, cm_data.blockSize);
3094                     }
3095                 }
3096             } else {
3097                 osi_Log4(afsd_logp, "RDR_BkgFetch Extent2FS Already held by Redirector bufp 0x%p foffset 0x%p coffset 0x%p len 0x%x",
3098                           bufp, bufp->offset.QuadPart, bufp->datap - RDR_extentBaseAddress, cm_data.blockSize);
3099             }
3100         } else {
3101             /*
3102              * depending on what the error from cm_GetBuffer is
3103              * it may or may not be fatal.  Only return fatal errors.
3104              * Re-queue a request for others.
3105              */
3106             osi_Log5(afsd_logp, "RDR_BkgFetch Extent2FS FAILURE bufp 0x%p foffset 0x%p coffset 0x%p len 0x%x code 0x%x",
3107                       bufp, offset.QuadPart, bufp->datap - RDR_extentBaseAddress, cm_data.blockSize, code);
3108             switch (code) {
3109             case CM_ERROR_NOACCESS:
3110             case CM_ERROR_NOSUCHFILE:
3111             case CM_ERROR_NOSUCHPATH:
3112             case CM_ERROR_NOSUCHVOLUME:
3113             case CM_ERROR_NOSUCHCELL:
3114             case CM_ERROR_INVAL:
3115             case CM_ERROR_BADFD:
3116             case CM_ERROR_CLOCKSKEW:
3117             case RXKADNOAUTH:
3118             case CM_ERROR_QUOTA:
3119             case CM_ERROR_LOCK_CONFLICT:
3120                 /*
3121                  * these are fatal errors.  deliver what we can
3122                  * and halt.
3123                  */
3124                 reportErrorToRedir = 1;
3125                 break;
3126             default:
3127                 /*
3128                  * non-fatal errors.  re-queue the exent
3129                  */
3130                 code = CM_ERROR_RETRY;
3131                 force_retry = 1;
3132             }
3133         }
3134
3135         if (bBufRelease)
3136             buf_Release(bufp);
3137     }
3138
3139     if (!rwheld) {
3140         lock_ObtainWrite(&scp->rw);
3141         rwheld = 1;
3142     }
3143
3144     /* wakeup anyone who is waiting */
3145     if (scp->flags & CM_SCACHEFLAG_WAITING) {
3146         osi_Log1(afsd_logp, "RDR Bkg Fetch Waking scp 0x%p", scp);
3147         osi_Wakeup((LONG_PTR) &scp->flags);
3148     }
3149     lock_ReleaseWrite(&scp->rw);
3150
3151     if (count > 0) {
3152         pResultCB->ExtentCount = count;
3153         RDR_SetFileExtents( pResultCB, dwResultBufferLength);
3154     }
3155     free(pResultCB);
3156
3157     if (reportErrorToRedir) {
3158         smb_MapNTError(cm_MapRPCError(code, reqp), &status, TRUE);
3159         RDR_SetFileStatus( &scp->fid, &userp->authgroup, status);
3160     }
3161
3162     osi_Log4(afsd_logp, "Ending BKG Fetch scp 0x%p code 0x%x fetched 0x%x:%x",
3163              scp, code, fetched.HighPart, fetched.LowPart);
3164
3165     return force_retry ? CM_ERROR_RETRY : code;
3166 }
3167
3168
3169 BOOL
3170 RDR_RequestFileExtentsAsync( IN cm_user_t *userp,
3171                              IN AFSFileID FileId,
3172                              IN AFSRequestExtentsCB *RequestExtentsCB,
3173                              IN BOOL bWow64,
3174                              IN OUT DWORD * ResultBufferLength,
3175                              IN OUT AFSSetFileExtentsCB **ResultCB)
3176 {
3177     AFSSetFileExtentsCB *pResultCB = NULL;
3178     DWORD Length;
3179     DWORD count;
3180     DWORD status;
3181     cm_scache_t *scp = NULL;
3182     cm_fid_t    Fid;
3183     cm_buf_t    *bufp;
3184     afs_uint32  code = 0;
3185     osi_hyper_t thyper;
3186     LARGE_INTEGER ByteOffset, BeginOffset, EndOffset, QueueOffset;
3187     afs_uint32  QueueLength;
3188     cm_req_t    req;
3189     BOOLEAN     bBufRelease = TRUE;
3190
3191     RDR_InitReq(&req);
3192     if ( bWow64 )
3193         req.flags |= CM_REQ_WOW64;
3194     req.flags |= CM_REQ_NORETRY;
3195
3196     osi_Log4(afsd_logp, "RDR_RequestFileExtentsAsync File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
3197               FileId.Cell, FileId.Volume,
3198               FileId.Vnode, FileId.Unique);
3199     osi_Log4(afsd_logp, "... Flags 0x%x ByteOffset 0x%x:%x Length 0x%x",
3200              RequestExtentsCB->Flags,
3201              RequestExtentsCB->ByteOffset.HighPart, RequestExtentsCB->ByteOffset.LowPart,
3202              RequestExtentsCB->Length);
3203     Length = sizeof( AFSSetFileExtentsCB) + sizeof( AFSFileExtentCB) * (RequestExtentsCB->Length / cm_data.blockSize + 1);
3204
3205     pResultCB = *ResultCB = (AFSSetFileExtentsCB *)malloc( Length );
3206     if (*ResultCB == NULL) {
3207         *ResultBufferLength = 0;
3208         return FALSE;
3209     }
3210     *ResultBufferLength = Length;
3211
3212     memset( pResultCB, '\0', Length );
3213     pResultCB->FileId = FileId;
3214
3215     Fid.cell = FileId.Cell;
3216     Fid.volume = FileId.Volume;
3217     Fid.vnode = FileId.Vnode;
3218     Fid.unique = FileId.Unique;
3219     Fid.hash = FileId.Hash;
3220
3221     code = cm_GetSCache(&Fid, &scp, userp, &req);
3222     if (code) {
3223         osi_Log1(afsd_logp, "RDR_RequestFileExtentsAsync cm_GetSCache FID failure code=0x%x",
3224                   code);
3225         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
3226         return FALSE;
3227     }
3228
3229     /*
3230      * Make sure we have a callback.
3231      * This is necessary so that we can return access denied
3232      * if a callback cannot be granted.
3233      */
3234     lock_ObtainWrite(&scp->rw);
3235     code = cm_SyncOp(scp, NULL, userp, &req, PRSFS_READ,
3236                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
3237     lock_ReleaseWrite(&scp->rw);
3238     if (code) {
3239         cm_ReleaseSCache(scp);
3240         osi_Log2(afsd_logp, "RDR_RequestFileExtentsAsync cm_SyncOp failure scp=0x%p code=0x%x",
3241                  scp, code);
3242         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
3243         RDR_SetFileStatus( &scp->fid, &userp->authgroup, status);
3244         return FALSE;
3245     }
3246
3247     /* Allocate the extents from the buffer package */
3248     for ( count = 0,
3249           ByteOffset = BeginOffset = RequestExtentsCB->ByteOffset,
3250           EndOffset.QuadPart = ByteOffset.QuadPart + RequestExtentsCB->Length;
3251           code == 0 && ByteOffset.QuadPart < EndOffset.QuadPart;
3252           ByteOffset.QuadPart += cm_data.blockSize)
3253     {
3254         BOOL bHaveBuffer = FALSE;
3255
3256         QueueLength = 0;
3257         thyper.QuadPart = ByteOffset.QuadPart;
3258
3259         code = buf_Get(scp, &thyper, &req, &bufp);
3260         if (code == 0) {
3261             lock_ObtainMutex(&bufp->mx);
3262             bBufRelease = TRUE;
3263
3264             if (bufp->qFlags & CM_BUF_QREDIR) {
3265                 bHaveBuffer = TRUE;
3266             } else if (bufp->flags & CM_BUF_DIRTY) {
3267                 bHaveBuffer = FALSE;
3268 #if 0
3269                 code = buf_CleanAsyncLocked(scp, bufp, &req, 0, NULL);
3270                 switch (code) {
3271                 case 0:
3272                     bHaveBuffer = TRUE;
3273                     break;
3274                 case CM_ERROR_RETRY:
3275                     /* Couldn't flush it, obtain it asynchronously so we don't block the thread. */
3276                     bHaveBuffer = FALSE;
3277                     code = 0;
3278                     break;
3279                 default:
3280                     smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
3281                     RDR_SetFileStatus(&FileId, &userp->authgroup, status);
3282                     bHaveBuffer = FALSE;
3283                     code = 0;
3284                 }
3285 #endif
3286             } else {
3287                 osi_hyper_t minLength;  /* effective end of file */
3288
3289                 lock_ObtainRead(&scp->rw);
3290                 bHaveBuffer = cm_HaveBuffer(scp, bufp, TRUE);
3291
3292                 if (LargeIntegerGreaterThan(scp->length, scp->serverLength))
3293                     minLength = scp->serverLength;
3294                 else
3295                     minLength = scp->length;
3296
3297                 if (!bHaveBuffer &&
3298                     LargeIntegerGreaterThanOrEqualTo(bufp->offset, minLength)) {
3299                     memset(bufp->datap, 0, cm_data.buf_blockSize);
3300                     bufp->dataVersion = scp->dataVersion;
3301                     bHaveBuffer = TRUE;
3302                 }
3303                 else if ((RequestExtentsCB->Flags & AFS_EXTENT_FLAG_CLEAN) &&
3304                          ByteOffset.QuadPart <= bufp->offset.QuadPart &&
3305                          EndOffset.QuadPart >= bufp->offset.QuadPart + cm_data.blockSize)
3306                 {
3307                     memset(bufp->datap, 0, cm_data.blockSize);
3308                     bufp->dataVersion = scp->dataVersion;
3309                     buf_SetDirty(bufp, &req, 0, cm_data.blockSize, userp);
3310                     bHaveBuffer = TRUE;
3311                 }
3312                 lock_ReleaseRead(&scp->rw);
3313             }
3314
3315             /*
3316              * if this buffer is already up to date, skip it.
3317              */
3318             if (bHaveBuffer) {
3319                 if (ByteOffset.QuadPart == BeginOffset.QuadPart) {
3320                     BeginOffset.QuadPart += cm_data.blockSize;
3321                 } else {
3322                     QueueLength = (afs_uint32)(ByteOffset.QuadPart - BeginOffset.QuadPart);
3323                     QueueOffset = BeginOffset;
3324                     BeginOffset = ByteOffset;
3325                 }
3326
3327                 if (!(bufp->qFlags & CM_BUF_QREDIR)) {
3328 #ifdef VALIDATE_CHECK_SUM
3329 #ifdef ODS_DEBUG
3330                     char md5dbg[33];
3331                     char dbgstr[1024];
3332 #endif
3333 #endif
3334                     lock_ObtainWrite(&buf_globalLock);
3335                     if (!(bufp->qFlags & CM_BUF_QREDIR)) {
3336                         buf_InsertToRedirQueue(scp, bufp);
3337                         lock_ReleaseWrite(&buf_globalLock);
3338
3339 #ifdef VALIDATE_CHECK_SUM
3340                         buf_ComputeCheckSum(bufp);
3341 #endif
3342                         /* we already have the buffer, return it now */
3343                         pResultCB->FileExtents[count].Flags = 0;
3344                         pResultCB->FileExtents[count].FileOffset = ByteOffset;
3345                         pResultCB->FileExtents[count].CacheOffset.QuadPart = bufp->datap - RDR_extentBaseAddress;
3346                         pResultCB->FileExtents[count].Length = cm_data.blockSize;
3347                         count++;
3348
3349                         bBufRelease = FALSE;
3350
3351 #ifdef VALIDATE_CHECK_SUM
3352 #ifdef ODS_DEBUG
3353                         HexCheckSum(md5dbg, sizeof(md5dbg), bufp->md5cksum);
3354                         snprintf( dbgstr, 1024,
3355                                   "RDR_RequestFileExtentsAsync md5 %s vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
3356                                   md5dbg,
3357                                   scp->fid.volume, scp->fid.vnode, scp->fid.unique,
3358                                   pResultCB->FileExtents[count].FileOffset.HighPart,
3359                                   pResultCB->FileExtents[count].FileOffset.LowPart,
3360                                   pResultCB->FileExtents[count].CacheOffset.HighPart,
3361                                   pResultCB->FileExtents[count].CacheOffset.LowPart);
3362                         OutputDebugStringA( dbgstr);
3363 #endif
3364 #endif
3365                         osi_Log4(afsd_logp, "RDR_RequestFileExtentsAsync Extent2FS bufp 0x%p foffset 0x%p coffset 0x%p len 0x%x",
3366                                  bufp, ByteOffset.QuadPart, bufp->datap - RDR_extentBaseAddress, cm_data.blockSize);
3367                     } else {
3368                         lock_ReleaseWrite(&buf_globalLock);
3369                     }
3370                 } else {
3371                     if (bBufRelease) {
3372                         /*
3373                          * The service is not handing off the extent to the redirector in this pass.
3374                          * However, we know the buffer is in recent use so move the buffer to the
3375                          * front of the queue
3376                          */
3377                         lock_ObtainWrite(&buf_globalLock);
3378                         buf_MoveToHeadOfRedirQueue(scp, bufp);
3379                         lock_ReleaseWrite(&buf_globalLock);
3380
3381                         osi_Log4(afsd_logp, "RDR_RequestFileExtentsAsync Extent2FS Already held by Redirector bufp 0x%p foffset 0x%p coffset 0x%p len 0x%x",
3382                                  bufp, ByteOffset.QuadPart, bufp->datap - RDR_extentBaseAddress, cm_data.blockSize);
3383                     }
3384                 }
3385             }
3386             lock_ReleaseMutex(&bufp->mx);
3387             if (bBufRelease)
3388                 buf_Release(bufp);
3389
3390             if (QueueLength) {
3391                 cm_QueueBKGRequest(scp, RDR_BkgFetch, QueueOffset.LowPart, QueueOffset.HighPart,
3392                                    QueueLength, 0, userp, &req);
3393                 osi_Log3(afsd_logp, "RDR_RequestFileExtentsAsync Queued a Background Fetch offset 0x%x:%x length 0x%x",
3394                          QueueOffset.HighPart, QueueOffset.LowPart, QueueLength);
3395             }
3396         } else {
3397             /* No error from buf_Get() can be fatal */
3398             osi_Log3(afsd_logp, "RDR_RequestFileExtentsAsync buf_Get FAILURE offset 0x%x:%x code 0x%x",
3399                      BeginOffset.HighPart, BeginOffset.LowPart, code);
3400         }
3401     }
3402
3403     if (BeginOffset.QuadPart != EndOffset.QuadPart) {
3404         afs_uint32 length = (afs_uint32)(EndOffset.QuadPart - BeginOffset.QuadPart);
3405
3406         cm_QueueBKGRequest(scp, RDR_BkgFetch, BeginOffset.LowPart, BeginOffset.HighPart,
3407                            length, 0, userp, &req);
3408         osi_Log3(afsd_logp, "RDR_RequestFileExtentsAsync Queued a Background Fetch offset 0x%x:%x length 0x%x",
3409                   BeginOffset.HighPart, BeginOffset.LowPart, length);
3410     }
3411     cm_ReleaseSCache(scp);
3412
3413     (*ResultCB)->ExtentCount = count;
3414     osi_Log1(afsd_logp, "RDR_RequestFileExtentsAsync replying with 0x%x extent records", count);
3415     return FALSE;
3416 }
3417
3418 /*
3419  * When processing an extent release the extents must be accepted back by
3420  * the service even if there is an error condition returned to the redirector.
3421  * For example, there may no longer be a callback present or the file may
3422  * have been deleted on the file server.  Regardless, the extents must be
3423  * put back into the pool.
3424  */
3425 void
3426 RDR_ReleaseFileExtents( IN cm_user_t *userp,
3427                         IN AFSFileID FileId,
3428                         IN AFSReleaseExtentsCB *ReleaseExtentsCB,
3429                         IN BOOL bWow64,
3430                         IN DWORD ResultBufferLength,
3431                         IN OUT AFSCommResult **ResultCB)
3432 {
3433     DWORD count;
3434     cm_scache_t *scp = NULL;
3435     cm_fid_t    Fid;
3436     cm_buf_t    *bufp;
3437     afs_uint32  code;
3438     osi_hyper_t thyper;
3439     cm_req_t    req;
3440     int         dirty = 0;
3441     int         released = 0;
3442     DWORD       status;
3443 #ifdef ODS_DEBUG
3444 #ifdef VALIDATE_CHECK_SUM
3445     char md5dbg[33], md5dbg2[33], md5dbg3[33];
3446 #endif
3447     char dbgstr[1024];
3448 #endif
3449
3450     RDR_InitReq(&req);
3451     if ( bWow64 )
3452         req.flags |= CM_REQ_WOW64;
3453
3454     osi_Log4(afsd_logp, "RDR_ReleaseFileExtents File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
3455               FileId.Cell, FileId.Volume,
3456               FileId.Vnode, FileId.Unique);
3457
3458     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult));
3459     if (!(*ResultCB))
3460         return;
3461
3462     memset( *ResultCB,
3463             '\0',
3464             sizeof( AFSCommResult));
3465
3466     /* Process the release */
3467     Fid.cell = FileId.Cell;
3468     Fid.volume = FileId.Volume;
3469     Fid.vnode = FileId.Vnode;
3470     Fid.unique = FileId.Unique;
3471     Fid.hash = FileId.Hash;
3472
3473     code = cm_GetSCache(&Fid, &scp, userp, &req);
3474     if (code) {
3475         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
3476         (*ResultCB)->ResultStatus = status;
3477         osi_Log2(afsd_logp, "RDR_ReleaseFileExtents cm_GetSCache FID failure code=0x%x status=0x%x",
3478                   code, status);
3479     }
3480
3481     /*
3482      * We do not stop processing as a result of being unable to find the cm_scache object.
3483      * If this occurs something really bad has happened since the cm_scache object must have
3484      * been recycled while extents were held by the redirector.  However, we will be resilient
3485      * and carry on without it.
3486      */
3487     if (scp && ReleaseExtentsCB->AllocationSize.QuadPart != scp->length.QuadPart) {
3488         cm_attr_t setAttr;
3489
3490         memset(&setAttr, 0, sizeof(cm_attr_t));
3491         lock_ObtainWrite(&scp->rw);
3492         if (ReleaseExtentsCB->AllocationSize.QuadPart != scp->length.QuadPart) {
3493
3494             osi_Log4(afsd_logp, "RDR_ReleaseFileExtents new length fid vol 0x%x vno 0x%x length 0x%x:%x",
3495                       scp->fid.volume, scp->fid.vnode,
3496                       ReleaseExtentsCB->AllocationSize.HighPart,
3497                       ReleaseExtentsCB->AllocationSize.LowPart);
3498
3499             setAttr.mask |= CM_ATTRMASK_LENGTH;
3500             setAttr.length.LowPart = ReleaseExtentsCB->AllocationSize.LowPart;
3501             setAttr.length.HighPart = ReleaseExtentsCB->AllocationSize.HighPart;
3502         }
3503         lock_ReleaseWrite(&scp->rw);
3504         if (setAttr.mask)
3505             code = cm_SetAttr(scp, &setAttr, userp, &req);
3506     }
3507
3508     for ( count = 0; count < ReleaseExtentsCB->ExtentCount; count++) {
3509         AFSFileExtentCB * pExtent = &ReleaseExtentsCB->FileExtents[count];
3510
3511         thyper.QuadPart = pExtent->FileOffset.QuadPart;
3512
3513         bufp = buf_Find(&Fid, &thyper);
3514         if (bufp) {
3515             if (pExtent->Flags & AFS_EXTENT_FLAG_UNKNOWN) {
3516                 if (!(bufp->qFlags & CM_BUF_QREDIR)) {
3517                     osi_Log4(afsd_logp, "RDR_ReleaseFileExtents extent vol 0x%x vno 0x%x foffset 0x%x:%x",
3518                               Fid.volume, Fid.vnode,
3519                               pExtent->FileOffset.HighPart,
3520                               pExtent->FileOffset.LowPart);
3521                     osi_Log2(afsd_logp, "... coffset 0x%x:%x UNKNOWN to redirector; previously released",
3522                               pExtent->CacheOffset.HighPart,
3523                               pExtent->CacheOffset.LowPart);
3524                 } else {
3525                     osi_Log4(afsd_logp, "RDR_ReleaseFileExtents extent vol 0x%x vno 0x%x foffset 0x%x:%x",
3526                               Fid.volume, Fid.vnode,
3527                               pExtent->FileOffset.HighPart,
3528                               pExtent->FileOffset.LowPart);
3529                     osi_Log2(afsd_logp, "... coffset 0x%x:%x UNKNOWN to redirector; owned by redirector",
3530                               pExtent->CacheOffset.HighPart,
3531                               pExtent->CacheOffset.LowPart);
3532                 }
3533                 buf_Release(bufp);
3534                 continue;
3535             }
3536
3537             if (pExtent->Flags & AFS_EXTENT_FLAG_IN_USE) {
3538                 osi_Log4(afsd_logp, "RDR_ReleaseFileExtents extent vol 0x%x vno 0x%x foffset 0x%x:%x",
3539                           Fid.volume, Fid.vnode,
3540                           pExtent->FileOffset.HighPart,
3541                           pExtent->FileOffset.LowPart);
3542                 osi_Log2(afsd_logp, "... coffset 0x%x:%x IN_USE by file system",
3543                           pExtent->CacheOffset.HighPart,
3544                           pExtent->CacheOffset.LowPart);
3545
3546                 /* Move the buffer to the front of the queue */
3547                 lock_ObtainWrite(&buf_globalLock);
3548                 buf_MoveToHeadOfRedirQueue(scp, bufp);
3549                 lock_ReleaseWrite(&buf_globalLock);
3550                 buf_Release(bufp);
3551                 continue;
3552             }
3553
3554             if (bufp->datap - RDR_extentBaseAddress == pExtent->CacheOffset.QuadPart) {
3555                 if (!(bufp->qFlags & CM_BUF_QREDIR)) {
3556                     osi_Log4(afsd_logp, "RDR_ReleaseFileExtents extent vol 0x%x vno 0x%x foffset 0x%x:%x not held by file system",
3557                              Fid.volume, Fid.vnode, pExtent->FileOffset.HighPart,
3558                              pExtent->FileOffset.LowPart);
3559                     osi_Log2(afsd_logp, "... coffset 0x%x:%x",
3560                              pExtent->CacheOffset.HighPart,
3561                              pExtent->CacheOffset.LowPart);
3562                 } else {
3563                     osi_Log4(afsd_logp, "RDR_ReleaseFileExtents bufp 0x%p vno 0x%x foffset 0x%x:%x",
3564                               bufp, bufp->fid.vnode, pExtent->FileOffset.HighPart,
3565                               pExtent->FileOffset.LowPart);
3566                     osi_Log2(afsd_logp, "... coffset 0x%x:%x",
3567                              pExtent->CacheOffset.HighPart,
3568                              pExtent->CacheOffset.LowPart);
3569
3570                     if (pExtent->Flags || ReleaseExtentsCB->Flags) {
3571                         lock_ObtainMutex(&bufp->mx);
3572                         if ( (ReleaseExtentsCB->Flags & AFS_EXTENT_FLAG_RELEASE) ||
3573                              (pExtent->Flags & AFS_EXTENT_FLAG_RELEASE) )
3574                         {
3575                             if (bufp->qFlags & CM_BUF_QREDIR) {
3576                                 lock_ObtainWrite(&buf_globalLock);
3577                                 if (bufp->qFlags & CM_BUF_QREDIR) {
3578                                     buf_RemoveFromRedirQueue(scp, bufp);
3579                                     buf_ReleaseLocked(bufp, TRUE);
3580                                 }
3581                                 lock_ReleaseWrite(&buf_globalLock);
3582                             }
3583 #ifdef ODS_DEBUG
3584                             snprintf( dbgstr, 1024,
3585                                       "RDR_ReleaseFileExtents releasing: vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
3586                                       Fid.volume, Fid.vnode, Fid.unique,
3587                                       pExtent->FileOffset.HighPart,
3588                                       pExtent->FileOffset.LowPart,
3589                                       pExtent->CacheOffset.HighPart,
3590                                       pExtent->CacheOffset.LowPart);
3591                             OutputDebugStringA( dbgstr);
3592 #endif
3593                             released++;
3594                         } else {
3595 #ifdef ODS_DEBUG
3596                             snprintf( dbgstr, 1024,
3597                                       "RDR_ReleaseFileExtents not releasing: vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
3598                                       Fid.volume, Fid.vnode, Fid.unique,
3599                                       pExtent->FileOffset.HighPart,
3600                                       pExtent->FileOffset.LowPart,
3601                                       pExtent->CacheOffset.HighPart,
3602                                       pExtent->CacheOffset.LowPart);
3603                             OutputDebugStringA( dbgstr);
3604 #endif
3605                             osi_Log4( afsd_logp, "RDR_ReleaseFileExtents not releasing vol 0x%x vno 0x%x foffset 0x%x:%x",
3606                                       Fid.volume, Fid.vnode,
3607                                       pExtent->FileOffset.HighPart,
3608                                       pExtent->FileOffset.LowPart);
3609                             osi_Log2( afsd_logp, "... coffset 0x%x:%x",
3610                                       pExtent->CacheOffset.HighPart,
3611                                       pExtent->CacheOffset.LowPart);
3612                         }
3613
3614                         if ( (ReleaseExtentsCB->Flags & AFS_EXTENT_FLAG_DIRTY) ||
3615                              (pExtent->Flags & AFS_EXTENT_FLAG_DIRTY) )
3616                         {
3617 #ifdef VALIDATE_CHECK_SUM
3618 #ifdef ODS_DEBUG
3619                             HexCheckSum(md5dbg, sizeof(md5dbg), bufp->md5cksum);
3620 #endif
3621
3622                             /*
3623                              * if the saved checksum matches the checksum of the current state of the buffer
3624                              * then the buffer is the same as what was given to the kernel.
3625                              */
3626                             if ( buf_ValidateCheckSum(bufp) ) {
3627                                 buf_ComputeCheckSum(bufp);
3628
3629                                 if (pExtent->Flags & AFS_EXTENT_FLAG_MD5_SET)
3630                                 {
3631 #ifdef ODS_DEBUG
3632                                     HexCheckSum(md5dbg2, sizeof(md5dbg2), pExtent->MD5);
3633                                     HexCheckSum(md5dbg3, sizeof(md5dbg3), bufp->md5cksum);
3634 #endif
3635                                     if (memcmp(bufp->md5cksum, pExtent->MD5, 16))
3636                                     {
3637 #ifdef ODS_DEBUG
3638                                         snprintf( dbgstr, 1024,
3639                                                   "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",
3640                                                   md5dbg, md5dbg2,md5dbg3,
3641                                                   Fid.volume, Fid.vnode, Fid.unique,
3642                                                   pExtent->FileOffset.HighPart,
3643                                                   pExtent->FileOffset.LowPart,
3644                                                   pExtent->CacheOffset.HighPart,
3645                                                   pExtent->CacheOffset.LowPart);
3646                                         OutputDebugStringA( dbgstr);
3647 #endif
3648                                         osi_Log4( afsd_logp, "RDR_ReleaseFileExtents dirty flag set and checksums do not match! vol 0x%x vno 0x%x foffset 0x%x:%x",
3649                                                   Fid.volume, Fid.vnode,
3650                                                   pExtent->FileOffset.HighPart,
3651                                                   pExtent->FileOffset.LowPart);
3652                                         osi_Log2( afsd_logp, "... coffset 0x%x:%x",
3653                                                   pExtent->CacheOffset.HighPart,
3654                                                   pExtent->CacheOffset.LowPart);
3655                                         buf_SetDirty(bufp, &req, pExtent->DirtyOffset, pExtent->DirtyLength, userp);
3656                                         dirty++;
3657                                     } else {
3658 #ifdef ODS_DEBUG
3659                                         snprintf( dbgstr, 1024,
3660                                                   "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",
3661                                                   md5dbg, md5dbg2, md5dbg3,
3662                                                   Fid.volume, Fid.vnode, Fid.unique,
3663                                                   pExtent->FileOffset.HighPart,
3664                                                   pExtent->FileOffset.LowPart,
3665                                                   pExtent->CacheOffset.HighPart,
3666                                                   pExtent->CacheOffset.LowPart);
3667                                         OutputDebugStringA( dbgstr);
3668 #endif
3669                                         osi_Log4( afsd_logp, "RDR_ReleaseFileExtents dirty flag set but extent has not changed vol 0x%x vno 0x%x foffset 0x%x:%x",
3670                                                   Fid.volume, Fid.vnode,
3671                                                   pExtent->FileOffset.HighPart,
3672                                                   pExtent->FileOffset.LowPart);
3673                                         osi_Log2( afsd_logp, "... coffset 0x%x:%x",
3674                                                   pExtent->CacheOffset.HighPart,
3675                                                   pExtent->CacheOffset.LowPart);
3676                                     }
3677                                 } else {
3678 #ifdef ODS_DEBUG
3679                                         snprintf( dbgstr, 1024,
3680                                                   "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",
3681                                                   Fid.volume, Fid.vnode, Fid.unique,
3682                                                   pExtent->FileOffset.HighPart,
3683                                                   pExtent->FileOffset.LowPart,
3684                                                   pExtent->CacheOffset.HighPart,
3685                                                   pExtent->CacheOffset.LowPart);
3686                                         OutputDebugStringA( dbgstr);
3687 #endif
3688                                         osi_Log4( afsd_logp, "RDR_ReleaseFileExtents dirty flag set but extent has not changed vol 0x%x vno 0x%x foffset 0x%x:%x",
3689                                                   Fid.volume, Fid.vnode,
3690                                                   pExtent->FileOffset.HighPart,
3691                                                   pExtent->FileOffset.LowPart);
3692                                         osi_Log2( afsd_logp, "... coffset 0x%x:%x",
3693                                                   pExtent->CacheOffset.HighPart,
3694                                                   pExtent->CacheOffset.LowPart);
3695                                 }
3696                             } else {
3697                                 buf_ComputeCheckSum(bufp);
3698 #ifdef ODS_DEBUG
3699                                 if (pExtent->Flags & AFS_EXTENT_FLAG_MD5_SET)
3700                                 {
3701                                     HexCheckSum(md5dbg3, sizeof(md5dbg3), bufp->md5cksum);
3702                                     if (memcmp(bufp->md5cksum, pExtent->MD5, 16))
3703                                     {
3704                                         snprintf( dbgstr, 1024,
3705                                                   "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",
3706                                                   md5dbg, md5dbg2,md5dbg3,
3707                                                   Fid.volume, Fid.vnode, Fid.unique,
3708                                                   pExtent->FileOffset.HighPart,
3709                                                   pExtent->FileOffset.LowPart,
3710                                                   pExtent->CacheOffset.HighPart,
3711                                                   pExtent->CacheOffset.LowPart);
3712                                         OutputDebugStringA( dbgstr);
3713                                     } else {
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                                     }
3724                                 } else {
3725                                     snprintf( dbgstr, 1024,
3726                                               "RDR_ReleaseFileExtents dirty flag set: vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
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 #endif
3735                                 buf_SetDirty(bufp, &req, pExtent->DirtyOffset, pExtent->DirtyLength, userp);
3736                                 dirty++;
3737                             }
3738 #else /* !VALIDATE_CHECK_SUM */
3739                             buf_SetDirty(bufp, &req, pExtent->DirtyOffset, pExtent->DirtyLength, userp);
3740                             dirty++;
3741 #endif /* VALIDATE_CHECK_SUM */
3742                         }
3743 #ifdef VALIDATE_CHECK_SUM
3744                         else {
3745 #ifdef ODS_DEBUG
3746                             HexCheckSum(md5dbg, sizeof(md5dbg), bufp->md5cksum);
3747 #endif
3748                             if ( !buf_ValidateCheckSum(bufp) ) {
3749                                 buf_ComputeCheckSum(bufp);
3750 #ifdef ODS_DEBUG
3751                                 HexCheckSum(md5dbg3, sizeof(md5dbg2), bufp->md5cksum);
3752                                 snprintf( dbgstr, 1024,
3753                                           "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",
3754                                           md5dbg, md5dbg3,
3755                                           Fid.volume, Fid.vnode, Fid.unique,
3756                                           pExtent->FileOffset.HighPart,
3757                                           pExtent->FileOffset.LowPart,
3758                                           pExtent->CacheOffset.HighPart,
3759                                           pExtent->CacheOffset.LowPart);
3760                                 OutputDebugStringA( dbgstr);
3761 #endif
3762                                 osi_Log4( afsd_logp, "RDR_ReleaseFileExtents dirty flag not set but extent has changed vol 0x%x vno 0x%x foffset 0x%x:%x",
3763                                           Fid.volume, Fid.vnode,
3764                                           pExtent->FileOffset.HighPart,
3765                                           pExtent->FileOffset.LowPart);
3766                                 osi_Log2( afsd_logp, "... coffset 0x%x:%x",
3767                                           pExtent->CacheOffset.HighPart,
3768                                           pExtent->CacheOffset.LowPart);
3769                                 buf_SetDirty(bufp, &req, pExtent->DirtyOffset, pExtent->DirtyLength, userp);
3770                                 dirty++;
3771                             } else {
3772                                 buf_ComputeCheckSum(bufp);
3773 #ifdef ODS_DEBUG
3774                                 HexCheckSum(md5dbg3, sizeof(md5dbg2), bufp->md5cksum);
3775                                 snprintf( dbgstr, 1024,
3776                                           "RDR_ReleaseFileExtents dirty flag not set: vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
3777                                           Fid.volume, Fid.vnode, Fid.unique,
3778                                           pExtent->FileOffset.HighPart,
3779                                           pExtent->FileOffset.LowPart,
3780                                           pExtent->CacheOffset.HighPart,
3781                                           pExtent->CacheOffset.LowPart);
3782                                 OutputDebugStringA( dbgstr);
3783 #endif
3784                                 osi_Log4( afsd_logp, "RDR_ReleaseFileExtents dirty flag not set: vol 0x%x vno 0x%x foffset 0x%x:%x",
3785                                           Fid.volume, Fid.vnode,
3786                                           pExtent->FileOffset.HighPart,
3787                                           pExtent->FileOffset.LowPart);
3788                                 osi_Log2( afsd_logp, "... coffset 0x%x:%x",
3789                                           pExtent->CacheOffset.HighPart,
3790                                           pExtent->CacheOffset.LowPart);
3791                             }
3792                         }
3793 #endif /* VALIDATE_CHECK_SUM */
3794                         lock_ReleaseMutex(&bufp->mx);
3795                     }
3796                 }
3797             }
3798             else {
3799                 char * datap = RDR_extentBaseAddress + pExtent->CacheOffset.QuadPart;
3800                 cm_buf_t *wbp;
3801
3802                 for (wbp = cm_data.buf_allp; wbp; wbp = wbp->allp) {
3803                     if (wbp->datap == datap)
3804                         break;
3805                 }
3806
3807 #ifdef ODS_DEBUG
3808                 snprintf( dbgstr, 1024,
3809                           "RDR_ReleaseFileExtents non-matching extent vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
3810                           Fid.volume, Fid.vnode, Fid.unique,
3811                           pExtent->FileOffset.HighPart,
3812                           pExtent->FileOffset.LowPart,
3813                           pExtent->CacheOffset.HighPart,
3814                           pExtent->CacheOffset.LowPart);
3815                 OutputDebugStringA( dbgstr);
3816 #endif
3817                 osi_Log4( afsd_logp, "RDR_ReleaseFileExtents non-matching extent vol 0x%x vno 0x%x foffset 0x%x:%x",
3818                           Fid.volume, Fid.vnode,
3819                           pExtent->FileOffset.HighPart,
3820                           pExtent->FileOffset.LowPart);
3821                 osi_Log2( afsd_logp, "... coffset 0x%x:%x",
3822                           pExtent->CacheOffset.HighPart,
3823                           pExtent->CacheOffset.LowPart);
3824                 osi_Log5( afsd_logp, "... belongs to bp 0x%p vol 0x%x vno 0x%x foffset 0x%x:%x",
3825                           wbp, wbp->fid.volume, wbp->fid.vnode, wbp->offset.HighPart, wbp->offset.LowPart);
3826 #ifdef DEBUG
3827                 DebugBreak();
3828 #endif
3829             }
3830             buf_Release(bufp);
3831         }
3832         else {
3833             char * datap = RDR_extentBaseAddress + pExtent->CacheOffset.QuadPart;
3834             cm_buf_t *wbp;
3835
3836             for (wbp = cm_data.buf_allp; wbp; wbp = wbp->allp) {
3837                 if (wbp->datap == datap)
3838                     break;
3839             }
3840
3841 #ifdef ODS_DEBUG
3842             snprintf( dbgstr, 1024,
3843                       "RDR_ReleaseFileExtents unknown extent vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
3844                       Fid.volume, Fid.vnode, Fid.unique,
3845                       pExtent->FileOffset.HighPart,
3846                       pExtent->FileOffset.LowPart,
3847                       pExtent->CacheOffset.HighPart,
3848                       pExtent->CacheOffset.LowPart);
3849             OutputDebugStringA( dbgstr);
3850 #endif
3851             osi_Log4( afsd_logp, "RDR_ReleaseFileExtents unknown extent vol 0x%x vno 0x%x foffset 0x%x:%x",
3852                       Fid.volume, Fid.vnode,
3853                       pExtent->FileOffset.HighPart,
3854                       pExtent->FileOffset.LowPart);
3855             osi_Log2( afsd_logp, "... coffset 0x%x:%x",
3856                       pExtent->CacheOffset.HighPart,
3857                       pExtent->CacheOffset.LowPart);
3858             osi_Log5( afsd_logp, "... belongs to bp 0x%p vol 0x%x vno 0x%x foffset 0x%x:%x",
3859                       wbp, wbp->fid.volume, wbp->fid.vnode, wbp->offset.HighPart, wbp->offset.LowPart);
3860         }
3861     }
3862
3863     if (scp) {
3864         if (ReleaseExtentsCB->Flags & AFS_EXTENT_FLAG_FLUSH) {
3865             lock_ObtainWrite(&scp->rw);
3866             code = cm_SyncOp(scp, NULL, userp, &req, PRSFS_WRITE,
3867                              CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
3868             lock_ReleaseWrite(&scp->rw);
3869             if (code == 0)
3870                 code = cm_FSync(scp, userp, &req, FALSE);
3871         }
3872         else if (dirty) {
3873             osi_hyper_t offset = {0,0};
3874             afs_uint32  length = 0;
3875             afs_uint32  rights = 0;
3876
3877             lock_ObtainWrite(&scp->rw);
3878             code = cm_SyncOp(scp, NULL, userp, &req, PRSFS_WRITE,
3879                              CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
3880             lock_ReleaseWrite(&scp->rw);
3881             if (code == 0) {
3882                 /*
3883                  * there is at least one dirty extent on this file.  queue up background store
3884                  * requests for contiguous blocks
3885                  */
3886                 for ( count = 0; count < ReleaseExtentsCB->ExtentCount; count++) {
3887                     if (ReleaseExtentsCB->FileExtents[count].FileOffset.QuadPart == offset.QuadPart + length &&
3888                          length + cm_data.buf_blockSize <= cm_chunkSize)
3889                     {
3890                         length += cm_data.buf_blockSize;
3891                     } else {
3892                         if (!(offset.QuadPart == 0 && length == 0))
3893                             cm_QueueBKGRequest(scp, cm_BkgStore, offset.LowPart, offset.HighPart,
3894                                                 length, 0, userp, &req);
3895                         offset.QuadPart = ReleaseExtentsCB->FileExtents[count].FileOffset.QuadPart;
3896                         length = cm_data.buf_blockSize;
3897                     }
3898                 }
3899                 cm_QueueBKGRequest(scp, cm_BkgStore, offset.LowPart, offset.HighPart,
3900                                    length, 0, userp, &req);
3901             }
3902         }
3903         cm_ReleaseSCache(scp);
3904     }
3905
3906     osi_Log5(afsd_logp, "RDR_ReleaseFileExtents File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x Released %d",
3907               FileId.Cell, FileId.Volume,
3908               FileId.Vnode, FileId.Unique, released);
3909     if (code && code != CM_ERROR_WOULDBLOCK) {
3910         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
3911         (*ResultCB)->ResultStatus = status;
3912         osi_Log2(afsd_logp, "RDR_ReleaseFileExtents FAILURE code=0x%x status=0x%x",
3913                   code, status);
3914     } else {
3915         (*ResultCB)->ResultStatus = 0;
3916         osi_Log0(afsd_logp, "RDR_ReleaseFileExtents SUCCESS");
3917     }
3918     (*ResultCB)->ResultBufferLength = 0;
3919
3920     return;
3921 }
3922
3923 DWORD
3924 RDR_ProcessReleaseFileExtentsResult( IN AFSReleaseFileExtentsResultCB *ReleaseFileExtentsResultCB,
3925                                      IN DWORD ResultBufferLength)
3926 {
3927     afs_uint32  code = 0;
3928     cm_req_t    req;
3929     osi_hyper_t thyper;
3930     cm_buf_t    *bufp;
3931     unsigned int fileno, extentno, total_extents = 0;
3932     AFSReleaseFileExtentsResultFileCB *pNextFileCB;
3933 #ifdef ODS_DEBUG
3934 #ifdef VALIDATE_CHECK_SUM
3935     char md5dbg[33], md5dbg2[33], md5dbg3[33];
3936 #endif
3937     char dbgstr[1024];
3938 #endif
3939     RDR_InitReq(&req);
3940
3941     for ( fileno = 0, pNextFileCB = &ReleaseFileExtentsResultCB->Files[0];
3942           fileno < ReleaseFileExtentsResultCB->FileCount;
3943           fileno++ ) {
3944         AFSReleaseFileExtentsResultFileCB *pFileCB = pNextFileCB;
3945         cm_user_t       *userp = NULL;
3946         cm_fid_t         Fid;
3947         cm_scache_t *    scp = NULL;
3948         int              dirty = 0;
3949         int              released = 0;
3950         char * p;
3951
3952         userp = RDR_UserFromAuthGroup( &pFileCB->AuthGroup);
3953
3954         osi_Log4(afsd_logp, "RDR_ProcessReleaseFileExtentsResult %d.%d.%d.%d",
3955                   pFileCB->FileId.Cell, pFileCB->FileId.Volume,
3956                   pFileCB->FileId.Vnode, pFileCB->FileId.Unique);
3957
3958         /* Process the release */
3959         Fid.cell = pFileCB->FileId.Cell;
3960         Fid.volume = pFileCB->FileId.Volume;
3961         Fid.vnode = pFileCB->FileId.Vnode;
3962         Fid.unique = pFileCB->FileId.Unique;
3963         Fid.hash = pFileCB->FileId.Hash;
3964
3965         if (Fid.cell == 0) {
3966             osi_Log4(afsd_logp, "RDR_ProcessReleaseFileExtentsResult Invalid FID %d.%d.%d.%d",
3967                      Fid.cell, Fid.volume, Fid.vnode, Fid.unique);
3968             code = CM_ERROR_INVAL;
3969             goto cleanup_file;
3970         }
3971
3972         code = cm_GetSCache(&Fid, &scp, userp, &req);
3973         if (code) {
3974             osi_Log1(afsd_logp, "RDR_ProcessReleaseFileExtentsResult cm_GetSCache FID failure code=0x%x",
3975                      code);
3976             /*
3977              * A failure to find the cm_scache object cannot prevent the service
3978              * from accepting the extents back from the redirector.
3979              */
3980         }
3981
3982         /* if the scp was not found, do not perform the length check */
3983         if (scp && (pFileCB->AllocationSize.QuadPart != scp->length.QuadPart)) {
3984             cm_attr_t setAttr;
3985
3986             memset(&setAttr, 0, sizeof(cm_attr_t));
3987             lock_ObtainWrite(&scp->rw);
3988             if (pFileCB->AllocationSize.QuadPart != scp->length.QuadPart) {
3989                 osi_Log4(afsd_logp, "RDR_ReleaseFileExtentsResult length change vol 0x%x vno 0x%x length 0x%x:%x",
3990                           scp->fid.volume, scp->fid.vnode,
3991                           pFileCB->AllocationSize.HighPart,
3992                           pFileCB->AllocationSize.LowPart);
3993                 setAttr.mask |= CM_ATTRMASK_LENGTH;
3994                 setAttr.length.LowPart = pFileCB->AllocationSize.LowPart;
3995                 setAttr.length.HighPart = pFileCB->AllocationSize.HighPart;
3996             }
3997             lock_ReleaseWrite(&scp->rw);
3998             if (setAttr.mask)
3999                 code = cm_SetAttr(scp, &setAttr, userp, &req);
4000         }
4001
4002         for ( extentno = 0; extentno < pFileCB->ExtentCount; total_extents++, extentno++ ) {
4003             AFSFileExtentCB *pExtent = &pFileCB->FileExtents[extentno];
4004
4005             thyper.QuadPart = pExtent->FileOffset.QuadPart;
4006
4007             bufp = buf_Find(&Fid, &thyper);
4008             if (bufp) {
4009                 if (pExtent->Flags & AFS_EXTENT_FLAG_UNKNOWN) {
4010                     if (!(bufp->qFlags & CM_BUF_QREDIR)) {
4011                         osi_Log4(afsd_logp, "RDR_ReleaseFileExtentsResult extent vol 0x%x vno 0x%x foffset 0x%x:%x",
4012                                  Fid.volume, Fid.vnode,
4013                                  pExtent->FileOffset.HighPart,
4014                                  pExtent->FileOffset.LowPart);
4015                         osi_Log2(afsd_logp, "... coffset 0x%x:%x UNKNOWN to redirector; previously released",
4016                                  pExtent->CacheOffset.HighPart,
4017                                  pExtent->CacheOffset.LowPart);
4018                     } else {
4019                         osi_Log4(afsd_logp, "RDR_ReleaseFileExtentsResult extent vol 0x%x vno 0x%x foffset 0x%x:%x",
4020                                  Fid.volume, Fid.vnode,
4021                                  pExtent->FileOffset.HighPart,
4022                                  pExtent->FileOffset.LowPart);
4023                         osi_Log2(afsd_logp, "... coffset 0x%x:%x UNKNOWN to redirector; owned by redirector",
4024                                  pExtent->CacheOffset.HighPart,
4025                                  pExtent->CacheOffset.LowPart);
4026                     }
4027                     buf_Release(bufp);
4028                     continue;
4029                 }
4030
4031                 if (pExtent->Flags & AFS_EXTENT_FLAG_IN_USE) {
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 IN_USE by file system",
4037                               pExtent->CacheOffset.HighPart,
4038                               pExtent->CacheOffset.LowPart);
4039
4040                     /* Move the buffer to the front of the queue */
4041                     lock_ObtainWrite(&buf_globalLock);
4042                     buf_MoveToHeadOfRedirQueue(scp, bufp);
4043                     lock_ReleaseWrite(&buf_globalLock);
4044                     buf_Release(bufp);
4045                     continue;
4046                 }
4047
4048                 if (bufp->datap - RDR_extentBaseAddress == pExtent->CacheOffset.QuadPart) {
4049                     if (!(bufp->qFlags & CM_BUF_QREDIR)) {
4050                         osi_Log4(afsd_logp, "RDR_ReleaseFileExtentsResult extent vol 0x%x vno 0x%x foffset 0x%x:%x",
4051                                  Fid.volume, Fid.vnode,
4052                                  pExtent->FileOffset.HighPart,
4053                                  pExtent->FileOffset.LowPart);
4054                         osi_Log2(afsd_logp, "... coffset 0x%x:%x not held by file system",
4055                                  pExtent->CacheOffset.HighPart,
4056                                  pExtent->CacheOffset.LowPart);
4057 #ifdef ODS_DEBUG
4058                         snprintf(dbgstr, 1024,
4059                                   "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",
4060                                   ReleaseFileExtentsResultCB->Flags, pExtent->Flags,
4061                                   Fid.volume, Fid.vnode, Fid.unique,
4062                                   pExtent->FileOffset.HighPart,
4063                                   pExtent->FileOffset.LowPart,
4064                                   pExtent->CacheOffset.HighPart,
4065                                   pExtent->CacheOffset.LowPart);
4066                         OutputDebugStringA( dbgstr);
4067 #endif
4068                     } else {
4069                         osi_Log5(afsd_logp, "RDR_ProcessReleaseFileExtentsResult bufp 0x%p foffset 0x%x:%x coffset 0x%x:%x",
4070                                  bufp, pExtent->FileOffset.HighPart, pExtent->FileOffset.LowPart,
4071                                  pExtent->CacheOffset.HighPart, pExtent->CacheOffset.LowPart);
4072
4073                         if (pExtent->Flags || ReleaseFileExtentsResultCB->Flags) {
4074                             lock_ObtainMutex(&bufp->mx);
4075                             if ( (ReleaseFileExtentsResultCB->Flags & AFS_EXTENT_FLAG_RELEASE) ||
4076                                  (pExtent->Flags & AFS_EXTENT_FLAG_RELEASE) )
4077                             {
4078                                 if (bufp->qFlags & CM_BUF_QREDIR) {
4079                                     lock_ObtainWrite(&buf_globalLock);
4080                                     if (bufp->qFlags & CM_BUF_QREDIR) {
4081                                         buf_RemoveFromRedirQueue(scp, bufp);
4082                                         buf_ReleaseLocked(bufp, TRUE);
4083                                     }
4084                                     lock_ReleaseWrite(&buf_globalLock);
4085                                 }
4086
4087 #ifdef ODS_DEBUG
4088                                 snprintf(dbgstr, 1024,
4089                                           "RDR_ProcessReleaseFileExtentsResult extent released: vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
4090                                           Fid.volume, Fid.vnode, Fid.unique,
4091                                           pExtent->FileOffset.HighPart,
4092                                           pExtent->FileOffset.LowPart,
4093                                           pExtent->CacheOffset.HighPart,
4094                                           pExtent->CacheOffset.LowPart);
4095                                 OutputDebugStringA( dbgstr);
4096 #endif
4097
4098                                 released++;
4099                             } else {
4100                                 osi_Log4(afsd_logp, "RDR_ProcessReleaseFileExtentsResult not releasing vol 0x%x vno 0x%x foffset 0x%x:%x",
4101                                          Fid.volume, Fid.vnode,
4102                                          pExtent->FileOffset.HighPart,
4103                                          pExtent->FileOffset.LowPart);
4104                                 osi_Log2(afsd_logp, "... coffset 0x%x:%x",
4105                                          pExtent->CacheOffset.HighPart,
4106                                          pExtent->CacheOffset.LowPart);
4107 #ifdef ODS_DEBUG
4108                                 snprintf(dbgstr, 1024,
4109                                           "RDR_ProcessReleaseFileExtentsResult not released! vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
4110                                           Fid.volume, Fid.vnode, Fid.unique,
4111                                           pExtent->FileOffset.HighPart,
4112                                           pExtent->FileOffset.LowPart,
4113                                           pExtent->CacheOffset.HighPart,
4114                                           pExtent->CacheOffset.LowPart);
4115                                 OutputDebugStringA( dbgstr);
4116 #endif
4117                             }
4118
4119                             if ( (ReleaseFileExtentsResultCB->Flags & AFS_EXTENT_FLAG_DIRTY) ||
4120                                  (pExtent->Flags & AFS_EXTENT_FLAG_DIRTY) )
4121                             {
4122 #ifdef VALIDATE_CHECK_SUM
4123                                 if ( buf_ValidateCheckSum(bufp) ) {
4124 #ifdef ODS_DEBUG
4125                                     HexCheckSum(md5dbg, sizeof(md5dbg), bufp->md5cksum);
4126                                     if (ReleaseFileExtentsResultCB->Flags & AFS_EXTENT_FLAG_MD5_SET)
4127                                         HexCheckSum(md5dbg2, sizeof(md5dbg2), pExtent->MD5);
4128 #endif
4129                                     buf_ComputeCheckSum(bufp);
4130 #ifdef ODS_DEBUG
4131                                     HexCheckSum(md5dbg3, sizeof(md5dbg), bufp->md5cksum);
4132 #endif
4133                                     if (ReleaseFileExtentsResultCB->Flags & AFS_EXTENT_FLAG_MD5_SET)
4134                                     {
4135                                         if (memcmp(bufp->md5cksum, pExtent->MD5, 16))
4136                                         {
4137 #ifdef ODS_DEBUG
4138                                             snprintf(dbgstr, 1024,
4139                                                       "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",
4140                                                       md5dbg3, md5dbg2,
4141                                                       Fid.volume, Fid.vnode, Fid.unique,
4142                                                       pExtent->FileOffset.HighPart,
4143                                                       pExtent->FileOffset.LowPart,
4144                                                       pExtent->CacheOffset.HighPart,
4145                                                       pExtent->CacheOffset.LowPart);
4146                                             OutputDebugStringA( dbgstr);
4147 #endif
4148                                             osi_Log4(afsd_logp,
4149                                                       "RDR_ProcessReleaseFileExtentsResult dirty flag set and checksums do not match! vol 0x%x vno 0x%x foffset 0x%x:%x",
4150                                                       Fid.volume, Fid.vnode,
4151                                                       pExtent->FileOffset.HighPart,
4152                                                       pExtent->FileOffset.LowPart);
4153                                             osi_Log2(afsd_logp,
4154                                                       "... coffset 0x%x:%x",
4155                                                       pExtent->CacheOffset.HighPart,
4156                                                       pExtent->CacheOffset.LowPart);
4157
4158                                             buf_SetDirty(bufp, &req, pExtent->DirtyOffset, pExtent->DirtyLength, userp);
4159                                             dirty++;
4160                                         } else {
4161 #ifdef ODS_DEBUG
4162                                             snprintf(dbgstr, 1024,
4163                                                       "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",
4164                                                       md5dbg, md5dbg2, md5dbg3,
4165                                                       Fid.volume, Fid.vnode, Fid.unique,
4166                                                       pExtent->FileOffset.HighPart,
4167                                                       pExtent->FileOffset.LowPart,
4168                                                       pExtent->CacheOffset.HighPart,
4169                                                       pExtent->CacheOffset.LowPart);
4170                                             OutputDebugStringA( dbgstr);
4171 #endif
4172                                             osi_Log4(afsd_logp,
4173                                                       "RDR_ProcessReleaseFileExtentsResult dirty flag set but extent has not changed vol 0x%x vno 0x%x foffset 0x%x:%x",
4174                                                       Fid.volume, Fid.vnode,
4175                                                       pExtent->FileOffset.HighPart,
4176                                                       pExtent->FileOffset.LowPart);
4177                                             osi_Log2(afsd_logp,
4178                                                       "... coffset 0x%x:%x",
4179                                                       pExtent->CacheOffset.HighPart,
4180                                                       pExtent->CacheOffset.LowPart);
4181                                         }
4182                                     }
4183                                 }
4184 #else /* !VALIDATE_CHECK_SUM */
4185                                 buf_SetDirty(bufp, &req, pExtent->DirtyOffset, pExtent->DirtyLength, userp);
4186                                 dirty++;
4187 #ifdef ODS_DEBUG
4188                                 snprintf(dbgstr, 1024,
4189                                           "RDR_ProcessReleaseFileExtentsResult dirty! vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
4190                                           Fid.volume, Fid.vnode, Fid.unique,
4191                                           pExtent->FileOffset.HighPart,
4192                                           pExtent->FileOffset.LowPart,
4193                                           pExtent->CacheOffset.HighPart,
4194                                           pExtent->CacheOffset.LowPart);
4195                                 OutputDebugStringA( dbgstr);
4196 #endif
4197 #endif /* VALIDATE_CHECK_SUM */
4198                             }
4199 #ifdef VALIDATE_CHECK_SUM
4200                             else {
4201 #ifdef ODS_DEBUG
4202                                 HexCheckSum(md5dbg, sizeof(md5dbg), bufp->md5cksum);
4203 #endif
4204                                 if ( !buf_ValidateCheckSum(bufp) ) {
4205                                     buf_ComputeCheckSum(bufp);
4206 #ifdef ODS_DEBUG
4207                                     HexCheckSum(md5dbg3, sizeof(md5dbg2), bufp->md5cksum);
4208                                     snprintf(dbgstr, 1024,
4209                                              "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",
4210                                              md5dbg, md5dbg3,
4211                                              Fid.volume, Fid.vnode, Fid.unique,
4212                                              pExtent->FileOffset.HighPart,
4213                                              pExtent->FileOffset.LowPart,
4214                                              pExtent->CacheOffset.HighPart,
4215                                              pExtent->CacheOffset.LowPart);
4216                                     OutputDebugStringA( dbgstr);
4217 #endif
4218                                     osi_Log4(afsd_logp, "RDR_ProcessReleaseFileExtentsResult dirty flag NOT set but extent has changed! vol 0x%x vno 0x%x foffset 0x%x:%x",
4219                                              Fid.volume, Fid.vnode,
4220                                              pExtent->FileOffset.HighPart,
4221                                              pExtent->FileOffset.LowPart);
4222                                     osi_Log2(afsd_logp, "... coffset 0x%x:%x",
4223                                              pExtent->CacheOffset.HighPart,
4224                                              pExtent->CacheOffset.LowPart);
4225 #ifdef DEBUG
4226                                     DebugBreak();
4227 #endif
4228                                     buf_SetDirty(bufp, &req, pExtent->DirtyOffset, pExtent->DirtyLength, userp);
4229                                     dirty++;
4230                                 } else {
4231                                     buf_ComputeCheckSum(bufp);
4232 #ifdef ODS_DEBUG
4233                                     HexCheckSum(md5dbg3, sizeof(md5dbg2), bufp->md5cksum);
4234                                     snprintf(dbgstr, 1024,
4235                                              "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",
4236                                              md5dbg, md5dbg3,
4237                                              Fid.volume, Fid.vnode, Fid.unique,
4238                                              pExtent->FileOffset.HighPart,
4239                                              pExtent->FileOffset.LowPart,
4240                                              pExtent->CacheOffset.HighPart,
4241                                              pExtent->CacheOffset.LowPart);
4242                                     OutputDebugStringA( dbgstr);
4243 #endif
4244                                 }
4245                             }
4246 #endif /* VALIDATE_CHECK_SUM */
4247                             lock_ReleaseMutex(&bufp->mx);
4248                         }
4249                     }
4250                 } else {
4251                     /* CacheOffset doesn't match bufp->datap */
4252                     char * datap = RDR_extentBaseAddress + pExtent->CacheOffset.QuadPart;
4253                     cm_buf_t *wbp;
4254
4255                     for (wbp = cm_data.buf_allp; wbp; wbp = wbp->allp) {
4256                         if (wbp->datap == datap)
4257                             break;
4258                     }
4259
4260 #ifdef ODS_DEBUG
4261                     snprintf(dbgstr, 1024,
4262                              "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",
4263                              Fid.volume, Fid.vnode, Fid.unique,
4264                              pExtent->FileOffset.HighPart,
4265                              pExtent->FileOffset.LowPart,
4266                              pExtent->CacheOffset.HighPart,
4267                              pExtent->CacheOffset.LowPart,
4268                              pExtent->Flags);
4269                     OutputDebugStringA( dbgstr);
4270 #endif
4271                     osi_Log4(afsd_logp, "RDR_ProcessReleaseFileExtentsResult non-matching extent vol 0x%x vno 0x%x foffset 0x%x:%x",
4272                              Fid.volume, Fid.vnode,
4273                              pExtent->FileOffset.HighPart,
4274                              pExtent->FileOffset.LowPart);
4275                     osi_Log3(afsd_logp, "... coffset 0x%x:%x flags 0x%x",
4276                              pExtent->CacheOffset.HighPart,
4277                              pExtent->CacheOffset.LowPart,
4278                              pExtent->Flags);
4279                     if (wbp)
4280                         osi_Log5(afsd_logp, "... coffset belongs to bp 0x%p vol 0x%x vno 0x%x foffset 0x%x:%x",
4281                                  wbp, wbp->fid.volume, wbp->fid.vnode, wbp->offset.HighPart, wbp->offset.LowPart);
4282                     else
4283                         osi_Log0(afsd_logp, "... coffset cannot be found");
4284 #ifdef DEBUG
4285                     DebugBreak();
4286 #endif
4287                 }
4288                 buf_Release(bufp);
4289             } else {
4290                 if (pExtent->Flags & AFS_EXTENT_FLAG_UNKNOWN) {
4291                     osi_Log4(afsd_logp, "RDR_ReleaseFileExtentsResult extent vol 0x%x vno 0x%x foffset 0x%x:%x",
4292                              Fid.volume, Fid.vnode, pExtent->FileOffset.HighPart,
4293                              pExtent->FileOffset.LowPart);
4294                     osi_Log2(afsd_logp, "... coffset 0x%x:%x UNKNOWN to redirector; cm_buf not found -- recycled?",
4295                              pExtent->CacheOffset.HighPart,
4296                              pExtent->CacheOffset.LowPart);
4297
4298                     continue;
4299                 }
4300
4301 #ifdef ODS_DEBUG
4302                 snprintf(dbgstr, 1024,
4303                          "RDR_ProcessReleaseFileExtentsResult buf not found vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
4304                          Fid.volume, Fid.vnode, Fid.unique,
4305                          pExtent->FileOffset.HighPart,
4306                          pExtent->FileOffset.LowPart,
4307                          pExtent->CacheOffset.HighPart,
4308                          pExtent->CacheOffset.LowPart);
4309                 OutputDebugStringA( dbgstr);
4310 #endif
4311                 osi_Log4(afsd_logp, "RDR_ProcessReleaseFileExtentsResult buf not found vol 0x%x vno 0x%x foffset 0x%x:%x",
4312                          Fid.volume, Fid.vnode,
4313                          pExtent->FileOffset.HighPart,
4314                          pExtent->FileOffset.LowPart);
4315                 osi_Log2(afsd_logp, "... coffset 0x%x:%x",
4316                          pExtent->CacheOffset.HighPart,
4317                          pExtent->CacheOffset.LowPart);
4318             }
4319         }
4320
4321         if (scp && dirty) {
4322             osi_hyper_t offset = {0,0};
4323             afs_uint32  length = 0;
4324
4325             /*
4326              * there is at least one dirty extent on this file.  queue up background store
4327              * requests for contiguous blocks
4328              */
4329             for ( extentno = 0; extentno < pFileCB->ExtentCount; extentno++ ) {
4330                 AFSFileExtentCB *pExtent = &pFileCB->FileExtents[extentno];
4331                 if (pExtent->FileOffset.QuadPart == offset.QuadPart + length &&
4332                      length < cm_chunkSize) {
4333                     length += cm_data.buf_blockSize;
4334                 } else {
4335                     if (!(offset.QuadPart == 0 && length == 0))
4336                         cm_QueueBKGRequest(scp, cm_BkgStore, offset.LowPart, offset.HighPart,
4337                                             length, 0, userp, &req);
4338                     offset.QuadPart = pExtent->FileOffset.QuadPart;
4339                     length = cm_data.buf_blockSize;
4340                 }
4341             }
4342             cm_QueueBKGRequest(scp, cm_BkgStore, offset.LowPart, offset.HighPart,
4343                                 length, 0, userp, &req);
4344         }
4345
4346         osi_Log5(afsd_logp, "RDR_ProcessReleaseFileExtentsResult File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x Released %d",
4347                   Fid.cell, Fid.volume, Fid.vnode, Fid.unique, released);
4348
4349       cleanup_file:
4350         if (userp)
4351             cm_ReleaseUser(userp);
4352         if (scp)
4353             cm_ReleaseSCache(scp);
4354
4355         p = (char *)pFileCB;
4356         p += sizeof(AFSReleaseFileExtentsResultFileCB);
4357         p += sizeof(AFSFileExtentCB) * (pFileCB->ExtentCount - 1);
4358         pNextFileCB = (AFSReleaseFileExtentsResultFileCB *)p;
4359     }
4360
4361     if (total_extents == 0) {
4362         osi_Log0(afsd_logp, "RDR_ProcessReleaseFileExtentsResult is empty");
4363         code = CM_ERROR_RETRY;
4364     }
4365
4366     if (code)
4367         osi_Log1(afsd_logp, "RDR_ProcessReleaseFileExtentsResult FAILURE code=0x%x", code);
4368     else
4369         osi_Log1(afsd_logp, "RDR_ProcessReleaseFileExtentsResult DONE code=0x%x", code);
4370
4371     return code;
4372 }
4373
4374 DWORD
4375 RDR_ReleaseFailedSetFileExtents( IN cm_user_t *userp,
4376                                  IN AFSSetFileExtentsCB *SetFileExtentsResultCB,
4377                                  IN DWORD ResultBufferLength)
4378 {
4379     afs_uint32  code = 0;
4380     cm_req_t    req;
4381     unsigned int extentno;
4382     cm_fid_t         Fid;
4383     cm_scache_t *    scp = NULL;
4384     int              dirty = 0;
4385
4386     RDR_InitReq(&req);
4387
4388     osi_Log4(afsd_logp, "RDR_ReleaseFailedSetFileExtents %d.%d.%d.%d",
4389               SetFileExtentsResultCB->FileId.Cell, SetFileExtentsResultCB->FileId.Volume,
4390               SetFileExtentsResultCB->FileId.Vnode, SetFileExtentsResultCB->FileId.Unique);
4391
4392     /* Process the release */
4393     Fid.cell = SetFileExtentsResultCB->FileId.Cell;
4394     Fid.volume = SetFileExtentsResultCB->FileId.Volume;
4395     Fid.vnode = SetFileExtentsResultCB->FileId.Vnode;
4396     Fid.unique = SetFileExtentsResultCB->FileId.Unique;
4397     Fid.hash = SetFileExtentsResultCB->FileId.Hash;
4398
4399     if (Fid.cell == 0) {
4400         osi_Log4(afsd_logp, "RDR_ReleaseFailedSetFile Invalid FID %d.%d.%d.%d",
4401                   Fid.cell, Fid.volume, Fid.vnode, Fid.unique);
4402         code = CM_ERROR_INVAL;
4403         goto cleanup_file;
4404     }
4405
4406     code = cm_GetSCache(&Fid, &scp, userp, &req);
4407     if (code) {
4408         osi_Log1(afsd_logp, "RDR_ReleaseFailedSetFileExtents cm_GetSCache FID failure code=0x%x",
4409                   code);
4410         /* Failure to find the cm_scache object cannot block return of the extents */
4411     }
4412
4413     for ( extentno = 0; extentno < SetFileExtentsResultCB->ExtentCount; extentno++ ) {
4414         osi_hyper_t thyper;
4415         cm_buf_t    *bufp;
4416         AFSFileExtentCB *pExtent = &SetFileExtentsResultCB->FileExtents[extentno];
4417
4418         thyper.QuadPart = pExtent->FileOffset.QuadPart;
4419
4420         bufp = buf_Find(&Fid, &thyper);
4421         if (bufp) {
4422             osi_Log5(afsd_logp, "RDR_ReleaseFailedSetFileExtents bufp 0x%p foffset 0x%x:%x coffset 0x%x:%x",
4423                       bufp, pExtent->FileOffset.HighPart, pExtent->FileOffset.LowPart,
4424                       pExtent->CacheOffset.HighPart, pExtent->CacheOffset.LowPart);
4425
4426             lock_ObtainMutex(&bufp->mx);
4427             if (bufp->qFlags & CM_BUF_QREDIR) {
4428                 lock_ObtainWrite(&buf_globalLock);
4429                 if (bufp->qFlags & CM_BUF_QREDIR) {
4430                     buf_RemoveFromRedirQueue(scp, bufp);
4431                     buf_ReleaseLocked(bufp, TRUE);
4432                 }
4433                 lock_ReleaseWrite(&buf_globalLock);
4434             }
4435             lock_ReleaseMutex(&bufp->mx);
4436             buf_Release(bufp);
4437         }
4438     }
4439
4440   cleanup_file:
4441     if (userp)
4442         cm_ReleaseUser(userp);
4443     if (scp)
4444         cm_ReleaseSCache(scp);
4445
4446     osi_Log1(afsd_logp, "RDR_ReleaseFailedSetFileExtents DONE code=0x%x", code);
4447     return code;
4448 }
4449
4450 void
4451 RDR_PioctlOpen( IN cm_user_t *userp,
4452                 IN AFSFileID  ParentId,
4453                 IN AFSPIOCtlOpenCloseRequestCB *pPioctlCB,
4454                 IN BOOL bWow64,
4455                 IN DWORD ResultBufferLength,
4456                 IN OUT AFSCommResult **ResultCB)
4457 {
4458     cm_fid_t    ParentFid;
4459     cm_fid_t    RootFid;
4460
4461     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult));
4462     if (!(*ResultCB))
4463         return;
4464
4465     memset( *ResultCB,
4466             '\0',
4467             sizeof( AFSCommResult));
4468
4469     /* Get the active directory */
4470     ParentFid.cell = ParentId.Cell;
4471     ParentFid.volume = ParentId.Volume;
4472     ParentFid.vnode = ParentId.Vnode;
4473     ParentFid.unique = ParentId.Unique;
4474     ParentFid.hash = ParentId.Hash;
4475
4476     /* Get the root directory */
4477     RootFid.cell = pPioctlCB->RootId.Cell;
4478     RootFid.volume = pPioctlCB->RootId.Volume;
4479     RootFid.vnode = pPioctlCB->RootId.Vnode;
4480     RootFid.unique = pPioctlCB->RootId.Unique;
4481     RootFid.hash = pPioctlCB->RootId.Hash;
4482
4483     /* Create the pioctl index */
4484     RDR_SetupIoctl(pPioctlCB->RequestId, &ParentFid, &RootFid, userp);
4485
4486     return;
4487 }
4488
4489
4490 void
4491 RDR_PioctlClose( IN cm_user_t *userp,
4492                  IN AFSFileID  ParentId,
4493                  IN AFSPIOCtlOpenCloseRequestCB *pPioctlCB,
4494                  IN BOOL bWow64,
4495                  IN DWORD ResultBufferLength,
4496                  IN OUT AFSCommResult **ResultCB)
4497 {
4498     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult));
4499     if (!(*ResultCB))
4500         return;
4501
4502     memset( *ResultCB,
4503             '\0',
4504             sizeof( AFSCommResult));
4505
4506     /* Cleanup the pioctl index */
4507     RDR_CleanupIoctl(pPioctlCB->RequestId);
4508
4509     return;
4510 }
4511
4512
4513 void
4514 RDR_PioctlWrite( IN cm_user_t *userp,
4515                  IN AFSFileID  ParentId,
4516                  IN AFSPIOCtlIORequestCB *pPioctlCB,
4517                  IN BOOL bWow64,
4518                  IN DWORD ResultBufferLength,
4519                  IN OUT AFSCommResult **ResultCB)
4520 {
4521     AFSPIOCtlIOResultCB *pResultCB;
4522     cm_scache_t *dscp = NULL;
4523     afs_uint32  code;
4524     cm_req_t    req;
4525     DWORD       status;
4526
4527     RDR_InitReq(&req);
4528     if ( bWow64 )
4529         req.flags |= CM_REQ_WOW64;
4530
4531     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult) + sizeof(AFSPIOCtlIOResultCB));
4532     if (!(*ResultCB))
4533         return;
4534
4535     memset( *ResultCB,
4536             '\0',
4537             sizeof( AFSCommResult) + sizeof(AFSPIOCtlIOResultCB));
4538
4539     pResultCB = (AFSPIOCtlIOResultCB *)(*ResultCB)->ResultData;
4540
4541     code = RDR_IoctlWrite(userp, pPioctlCB->RequestId, pPioctlCB->BufferLength, pPioctlCB->MappedBuffer, &req);
4542     if (code) {
4543         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
4544         (*ResultCB)->ResultStatus = status;
4545         return;
4546     }
4547
4548     pResultCB->BytesProcessed = pPioctlCB->BufferLength;
4549     (*ResultCB)->ResultBufferLength = sizeof( AFSPIOCtlIOResultCB);
4550 }
4551
4552 void
4553 RDR_PioctlRead( IN cm_user_t *userp,
4554                 IN AFSFileID  ParentId,
4555                 IN AFSPIOCtlIORequestCB *pPioctlCB,
4556                 IN BOOL bWow64,
4557                 IN BOOL bIsLocalSystem,
4558                 IN DWORD ResultBufferLength,
4559                 IN OUT AFSCommResult **ResultCB)
4560 {
4561     AFSPIOCtlIOResultCB *pResultCB;
4562     cm_scache_t *dscp = NULL;
4563     afs_uint32  code;
4564     cm_req_t    req;
4565     DWORD       status;
4566     afs_uint32  pflags = (bIsLocalSystem ? AFSCALL_FLAG_LOCAL_SYSTEM : 0);
4567
4568     RDR_InitReq(&req);
4569     if ( bWow64 )
4570         req.flags |= CM_REQ_WOW64;
4571
4572     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult) + sizeof(AFSPIOCtlIOResultCB));
4573     if (!(*ResultCB))
4574         return;
4575
4576     memset( *ResultCB,
4577             '\0',
4578             sizeof( AFSCommResult) + sizeof(AFSPIOCtlIOResultCB));
4579
4580     pResultCB = (AFSPIOCtlIOResultCB *)(*ResultCB)->ResultData;
4581
4582     code = RDR_IoctlRead(userp, pPioctlCB->RequestId, pPioctlCB->BufferLength, pPioctlCB->MappedBuffer,
4583                          &pResultCB->BytesProcessed, &req, pflags);
4584     if (code) {
4585         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
4586         (*ResultCB)->ResultStatus = status;
4587         return;
4588     }
4589
4590     (*ResultCB)->ResultBufferLength = sizeof( AFSPIOCtlIOResultCB);
4591 }
4592
4593 void
4594 RDR_ByteRangeLockSync( IN cm_user_t     *userp,
4595                        IN AFSFileID     FileId,
4596                        IN AFSByteRangeLockRequestCB *pBRLRequestCB,
4597                        IN BOOL bWow64,
4598                        IN DWORD ResultBufferLength,
4599                        IN OUT AFSCommResult **ResultCB)
4600 {
4601     AFSByteRangeLockResultCB *pResultCB = NULL;
4602     LARGE_INTEGER ProcessId;
4603     DWORD       Length;
4604     cm_scache_t *scp = NULL;
4605     cm_fid_t    Fid;
4606     afs_uint32  code;
4607     cm_req_t    req;
4608     cm_key_t    key;
4609     DWORD       i;
4610     DWORD       status;
4611
4612     ProcessId.QuadPart = pBRLRequestCB->ProcessId;
4613
4614     RDR_InitReq(&req);
4615     if ( bWow64 )
4616         req.flags |= CM_REQ_WOW64;
4617
4618     osi_Log4(afsd_logp, "RDR_ByteRangeLockSync File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
4619               FileId.Cell, FileId.Volume,
4620               FileId.Vnode, FileId.Unique);
4621     osi_Log2(afsd_logp, "... ProcessId 0x%x:%x",
4622              ProcessId.HighPart, ProcessId.LowPart);
4623
4624     Length = sizeof( AFSByteRangeLockResultCB) + ((pBRLRequestCB->Count - 1) * sizeof(AFSByteRangeLockResult));
4625     if (Length > ResultBufferLength) {
4626         *ResultCB = (AFSCommResult *)malloc(sizeof(AFSCommResult));
4627         if (!(*ResultCB))
4628             return;
4629         memset( *ResultCB, 0, sizeof(AFSCommResult));
4630         (*ResultCB)->ResultStatus = STATUS_BUFFER_OVERFLOW;
4631         return;
4632     }
4633
4634     *ResultCB = (AFSCommResult *)malloc( Length + sizeof( AFSCommResult) );
4635     if (!(*ResultCB))
4636         return;
4637     memset( *ResultCB, '\0', Length + sizeof( AFSCommResult) );
4638     (*ResultCB)->ResultBufferLength = Length;
4639
4640     pResultCB = (AFSByteRangeLockResultCB *)(*ResultCB)->ResultData;
4641     pResultCB->FileId = FileId;
4642     pResultCB->Count = pBRLRequestCB->Count;
4643
4644     /* Allocate the extents from the buffer package */
4645     Fid.cell = FileId.Cell;
4646     Fid.volume = FileId.Volume;
4647     Fid.vnode = FileId.Vnode;
4648     Fid.unique = FileId.Unique;
4649     Fid.hash = FileId.Hash;
4650
4651     code = cm_GetSCache(&Fid, &scp, userp, &req);
4652     if (code) {
4653         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
4654         (*ResultCB)->ResultStatus = status;
4655         (*ResultCB)->ResultBufferLength = 0;
4656         osi_Log2(afsd_logp, "RDR_ByteRangeLockSync cm_GetSCache FID failure code=0x%x status=0x%x",
4657                   code, status);
4658         return;
4659     }
4660
4661     lock_ObtainWrite(&scp->rw);
4662
4663     /* start by looking up the file's end */
4664     code = cm_SyncOp(scp, NULL, userp, &req, 0,
4665                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
4666     if (code) {
4667         lock_ReleaseWrite(&scp->rw);
4668         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
4669         (*ResultCB)->ResultStatus = status;
4670         (*ResultCB)->ResultBufferLength = 0;
4671         osi_Log3(afsd_logp, "RDR_ByteRangeLockSync cm_SyncOp failure scp=0x%p code=0x%x status=0x%x",
4672                  scp, code, status);
4673         return;
4674     }
4675
4676     /* the scp is now locked and current */
4677     key = cm_GenerateKey(CM_SESSION_IFS, ProcessId.QuadPart, 0);
4678
4679     for ( i=0; i<pBRLRequestCB->Count; i++ ) {
4680         pResultCB->Result[i].LockType = pBRLRequestCB->Request[i].LockType;
4681         pResultCB->Result[i].Offset = pBRLRequestCB->Request[i].Offset;
4682         pResultCB->Result[i].Length = pBRLRequestCB->Request[i].Length;
4683
4684         code = cm_Lock(scp,
4685                        pBRLRequestCB->Request[i].LockType == AFS_BYTE_RANGE_LOCK_TYPE_SHARED,
4686                        pBRLRequestCB->Request[i].Offset,
4687                        pBRLRequestCB->Request[i].Length,
4688                        key, 0, userp, &req, NULL);
4689
4690         if (code) {
4691             osi_Log4(afsd_logp, "RDR_ByteRangeLockSync FAILURE code 0x%x type 0x%u offset 0x%x:%x",
4692                      code,
4693                      pBRLRequestCB->Request[i].LockType,
4694                      pBRLRequestCB->Request[i].Offset.HighPart,
4695                      pBRLRequestCB->Request[i].Offset.LowPart);
4696             osi_Log2(afsd_logp, "... length 0x%x:%x",
4697                      pBRLRequestCB->Request[i].Length.HighPart,
4698                      pBRLRequestCB->Request[i].Length.LowPart);
4699         }
4700
4701         switch (code) {
4702         case 0:
4703             pResultCB->Result[i].Status = 0;
4704             break;
4705         case CM_ERROR_WOULDBLOCK:
4706             pResultCB->Result[i].Status = STATUS_FILE_LOCK_CONFLICT;
4707             break;
4708         default:
4709             pResultCB->Result[i].Status = STATUS_LOCK_NOT_GRANTED;
4710         }
4711     }
4712
4713     cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
4714     lock_ReleaseWrite(&scp->rw);
4715     cm_ReleaseSCache(scp);
4716
4717     (*ResultCB)->ResultStatus = 0;
4718     osi_Log0(afsd_logp, "RDR_ByteRangeLockSync SUCCESS");
4719     return;
4720 }
4721
4722 void
4723 RDR_ByteRangeUnlock( IN cm_user_t     *userp,
4724                      IN AFSFileID     FileId,
4725                      IN AFSByteRangeUnlockRequestCB *pBRURequestCB,
4726                      IN BOOL bWow64,
4727                      IN DWORD ResultBufferLength,
4728                      IN OUT AFSCommResult **ResultCB)
4729 {
4730     AFSByteRangeUnlockResultCB *pResultCB = NULL;
4731     LARGE_INTEGER ProcessId;
4732     DWORD       Length;
4733     cm_scache_t *scp = NULL;
4734     cm_fid_t    Fid;
4735     afs_uint32  code;
4736     cm_req_t    req;
4737     cm_key_t    key;
4738     DWORD       i;
4739     DWORD       status;
4740
4741     ProcessId.QuadPart = pBRURequestCB->ProcessId;
4742
4743     RDR_InitReq(&req);
4744     if ( bWow64 )
4745         req.flags |= CM_REQ_WOW64;
4746
4747     osi_Log4(afsd_logp, "RDR_ByteRangeUnlock File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
4748               FileId.Cell, FileId.Volume,
4749               FileId.Vnode, FileId.Unique);
4750     osi_Log2(afsd_logp, "... ProcessId 0x%x:%x",
4751              ProcessId.HighPart, ProcessId.LowPart);
4752
4753     Length = sizeof( AFSByteRangeUnlockResultCB) + ((pBRURequestCB->Count - 1) * sizeof(AFSByteRangeLockResult));
4754     if (Length > ResultBufferLength) {
4755         *ResultCB = (AFSCommResult *)malloc(sizeof(AFSCommResult));
4756         if (!(*ResultCB))
4757             return;
4758         memset( *ResultCB, 0, sizeof(AFSCommResult));
4759         (*ResultCB)->ResultStatus = STATUS_BUFFER_OVERFLOW;
4760         return;
4761     }
4762
4763     *ResultCB = (AFSCommResult *)malloc( Length + sizeof( AFSCommResult) );
4764     if (!(*ResultCB))
4765         return;
4766     memset( *ResultCB, '\0', Length + sizeof( AFSCommResult) );
4767     (*ResultCB)->ResultBufferLength = Length;
4768
4769     pResultCB = (AFSByteRangeUnlockResultCB *)(*ResultCB)->ResultData;
4770     pResultCB->Count = pBRURequestCB->Count;
4771
4772     /* Allocate the extents from the buffer package */
4773     Fid.cell = FileId.Cell;
4774     Fid.volume = FileId.Volume;
4775     Fid.vnode = FileId.Vnode;
4776     Fid.unique = FileId.Unique;
4777     Fid.hash = FileId.Hash;
4778
4779     code = cm_GetSCache(&Fid, &scp, userp, &req);
4780     if (code) {
4781         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
4782         (*ResultCB)->ResultStatus = status;
4783         (*ResultCB)->ResultBufferLength = 0;
4784         osi_Log2(afsd_logp, "RDR_ByteRangeUnlock cm_GetSCache FID failure code=0x%x status=0x%x",
4785                   code, status);
4786         return;
4787     }
4788
4789     lock_ObtainWrite(&scp->rw);
4790
4791     /* start by looking up the file's end */
4792     code = cm_SyncOp(scp, NULL, userp, &req, 0,
4793                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
4794     if (code) {
4795         lock_ReleaseWrite(&scp->rw);
4796         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
4797         (*ResultCB)->ResultStatus = status;
4798         (*ResultCB)->ResultBufferLength = 0;
4799         osi_Log3(afsd_logp, "RDR_ByteRangeUnlock cm_SyncOp failure scp=0x%p code=0x%x status=0x%x",
4800                  scp, code, status);
4801         return;
4802     }
4803
4804     /* the scp is now locked and current */
4805     key = cm_GenerateKey(CM_SESSION_IFS, ProcessId.QuadPart, 0);
4806
4807     for ( i=0; i<pBRURequestCB->Count; i++ ) {
4808         pResultCB->Result[i].LockType = pBRURequestCB->Request[i].LockType;
4809         pResultCB->Result[i].Offset = pBRURequestCB->Request[i].Offset;
4810         pResultCB->Result[i].Length = pBRURequestCB->Request[i].Length;
4811
4812         code = cm_Unlock(scp,
4813                          pBRURequestCB->Request[i].LockType == AFS_BYTE_RANGE_LOCK_TYPE_SHARED,
4814                          pBRURequestCB->Request[i].Offset,
4815                          pBRURequestCB->Request[i].Length,
4816                          key, CM_UNLOCK_FLAG_MATCH_RANGE, userp, &req);
4817
4818         if (code) {
4819             osi_Log4(afsd_logp, "RDR_ByteRangeUnlock FAILURE code 0x%x type 0x%u offset 0x%x:%x",
4820                      code, pBRURequestCB->Request[i].LockType,
4821                      pBRURequestCB->Request[i].Offset.HighPart,
4822                      pBRURequestCB->Request[i].Offset.LowPart);
4823             osi_Log2(afsd_logp, "... length 0x%x:%x",
4824                      pBRURequestCB->Request[i].Length.HighPart,
4825                      pBRURequestCB->Request[i].Length.LowPart);
4826         }
4827         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
4828         pResultCB->Result[i].Status = status;
4829     }
4830
4831     cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
4832     lock_ReleaseWrite(&scp->rw);
4833     cm_ReleaseSCache(scp);
4834
4835     (*ResultCB)->ResultStatus = 0;
4836     osi_Log0(afsd_logp, "RDR_ByteRangeUnlock SUCCESS");
4837     return;
4838 }
4839
4840 void
4841 RDR_ByteRangeUnlockAll( IN cm_user_t     *userp,
4842                         IN AFSFileID     FileId,
4843                         IN AFSByteRangeUnlockRequestCB *pBRURequestCB,
4844                         IN BOOL bWow64,
4845                         IN DWORD ResultBufferLength,
4846                         IN OUT AFSCommResult **ResultCB)
4847 {
4848     AFSByteRangeUnlockResultCB *pResultCB = NULL;
4849     LARGE_INTEGER ProcessId;
4850     cm_scache_t *scp = NULL;
4851     cm_fid_t    Fid;
4852     afs_uint32  code;
4853     cm_req_t    req;
4854     cm_key_t    key;
4855     DWORD       status;
4856
4857     ProcessId.QuadPart = pBRURequestCB->ProcessId;
4858
4859     RDR_InitReq(&req);
4860     if ( bWow64 )
4861         req.flags |= CM_REQ_WOW64;
4862
4863     osi_Log4(afsd_logp, "RDR_ByteRangeUnlockAll File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
4864               FileId.Cell, FileId.Volume,
4865               FileId.Vnode, FileId.Unique);
4866     osi_Log2(afsd_logp, "... ProcessId 0x%x:%x",
4867              ProcessId.HighPart, ProcessId.LowPart);
4868
4869     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult));
4870     if (!(*ResultCB))
4871         return;
4872     memset( *ResultCB, '\0', sizeof( AFSCommResult));
4873     (*ResultCB)->ResultBufferLength = 0;
4874
4875     /* Allocate the extents from the buffer package */
4876     Fid.cell = FileId.Cell;
4877     Fid.volume = FileId.Volume;
4878     Fid.vnode = FileId.Vnode;
4879     Fid.unique = FileId.Unique;
4880     Fid.hash = FileId.Hash;
4881
4882     code = cm_GetSCache(&Fid, &scp, userp, &req);
4883     if (code) {
4884         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
4885         (*ResultCB)->ResultStatus = status;
4886         (*ResultCB)->ResultBufferLength = 0;
4887         osi_Log2(afsd_logp, "RDR_ByteRangeUnlockAll cm_GetSCache FID failure code=0x%x status=0x%x",
4888                   code, status);
4889         return;
4890     }
4891
4892     lock_ObtainWrite(&scp->rw);
4893
4894     /* start by looking up the file's end */
4895     code = cm_SyncOp(scp, NULL, userp, &req, 0,
4896                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
4897     if (code) {
4898         lock_ReleaseWrite(&scp->rw);
4899         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
4900         (*ResultCB)->ResultStatus = status;
4901         (*ResultCB)->ResultBufferLength = 0;
4902         osi_Log3(afsd_logp, "RDR_ByteRangeUnlockAll cm_SyncOp failure scp=0x%p code=0x%x status=0x%x",
4903                  scp, code, status);
4904         return;
4905     }
4906
4907     /* the scp is now locked and current */
4908     key = cm_GenerateKey(CM_SESSION_IFS, ProcessId.QuadPart, 0);
4909
4910     code = cm_UnlockByKey(scp, key, 0, userp, &req);
4911
4912     cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
4913     lock_ReleaseWrite(&scp->rw);
4914     cm_ReleaseSCache(scp);
4915
4916     smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
4917     (*ResultCB)->ResultStatus = status;
4918
4919     if (code)
4920         osi_Log1(afsd_logp, "RDR_ByteRangeUnlockAll FAILURE code 0x%x", code);
4921     else
4922         osi_Log0(afsd_logp, "RDR_ByteRangeUnlockAll SUCCESS");
4923     return;
4924
4925 }
4926
4927 void
4928 RDR_GetVolumeInfo( IN cm_user_t     *userp,
4929                    IN AFSFileID     FileId,
4930                    IN BOOL bWow64,
4931                    IN DWORD ResultBufferLength,
4932                    IN OUT AFSCommResult **ResultCB)
4933 {
4934     AFSVolumeInfoCB *pResultCB = NULL;
4935     DWORD       Length;
4936     cm_scache_t *scp = NULL;
4937     cm_volume_t *volp = NULL;
4938     cm_vol_state_t *volstatep = NULL;
4939     afs_uint32   volType;
4940     cm_cell_t   *cellp = NULL;
4941     cm_fid_t    Fid;
4942     afs_uint32  code;
4943     cm_req_t    req;
4944     DWORD       status;
4945     FILETIME ft = {0x832cf000, 0x01abfcc4}; /* October 1, 1982 00:00:00 +0600 */
4946
4947     char volName[32]="(unknown)";
4948     char offLineMsg[256]="server temporarily inaccessible";
4949     char motd[256]="server temporarily inaccessible";
4950     cm_conn_t *connp;
4951     AFSFetchVolumeStatus volStat;
4952     char *Name;
4953     char *OfflineMsg;
4954     char *MOTD;
4955     struct rx_connection * rxconnp;
4956
4957     RDR_InitReq(&req);
4958     if ( bWow64 )
4959         req.flags |= CM_REQ_WOW64;
4960
4961     osi_Log4(afsd_logp, "RDR_GetVolumeInfo File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
4962              FileId.Cell, FileId.Volume,
4963              FileId.Vnode, FileId.Unique);
4964
4965     Length = sizeof( AFSCommResult) + sizeof(AFSVolumeInfoCB);
4966     if (sizeof(AFSVolumeInfoCB) > ResultBufferLength) {
4967         *ResultCB = (AFSCommResult *)malloc(sizeof(AFSCommResult) );
4968         if (!(*ResultCB))
4969             return;
4970         memset( *ResultCB, 0, sizeof(AFSCommResult));
4971         (*ResultCB)->ResultStatus = STATUS_BUFFER_OVERFLOW;
4972         return;
4973     }
4974
4975     *ResultCB = (AFSCommResult *)malloc( Length );
4976     if (!(*ResultCB))
4977         return;
4978     memset( *ResultCB, '\0', Length );
4979     (*ResultCB)->ResultBufferLength = sizeof(AFSVolumeInfoCB);
4980     pResultCB = (AFSVolumeInfoCB *)(*ResultCB)->ResultData;
4981
4982     /* Allocate the extents from the buffer package */
4983     if (FileId.Cell != 0) {
4984         Fid.cell = FileId.Cell;
4985         Fid.volume = FileId.Volume;
4986         Fid.vnode = FileId.Vnode;
4987         Fid.unique = FileId.Unique;
4988         Fid.hash = FileId.Hash;
4989
4990         code = cm_GetSCache(&Fid, &scp, userp, &req);
4991         if (code) {
4992             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
4993             (*ResultCB)->ResultStatus = status;
4994             (*ResultCB)->ResultBufferLength = 0;
4995             osi_Log2(afsd_logp, "RDR_GetVolumeInfo cm_GetSCache FID failure code=0x%x status=0x%x",
4996                       code, status);
4997             return;
4998         }
4999     } else {
5000         (*ResultCB)->ResultStatus = STATUS_OBJECT_NAME_INVALID;
5001         osi_Log0(afsd_logp, "RDR_GetVolumeInfo Object Name Invalid - Cell = 0");
5002         return;
5003     }
5004     lock_ObtainWrite(&scp->rw);
5005
5006     /* start by looking up the file's end */
5007     code = cm_SyncOp(scp, NULL, userp, &req, 0,
5008                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
5009     if (code) {
5010         lock_ReleaseWrite(&scp->rw);
5011         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
5012         (*ResultCB)->ResultStatus = status;
5013         (*ResultCB)->ResultBufferLength = 0;
5014         osi_Log3(afsd_logp, "RDR_GetVolumeInfo cm_SyncOp failure scp=0x%p code=0x%x status=0x%x",
5015                  scp, code, status);
5016         return;
5017     }
5018
5019     /* Fake for now */
5020     pResultCB->SectorsPerAllocationUnit = 1;
5021     pResultCB->BytesPerSector = 1024;
5022
5023     pResultCB->CellID = scp->fid.cell;
5024     pResultCB->VolumeID = scp->fid.volume;
5025     pResultCB->Characteristics = FILE_REMOTE_DEVICE;
5026     pResultCB->FileSystemAttributes = FILE_CASE_PRESERVED_NAMES | FILE_UNICODE_ON_DISK |
5027         FILE_SUPPORTS_REPARSE_POINTS;
5028
5029     if (scp->fid.cell==AFS_FAKE_ROOT_CELL_ID &&
5030          scp->fid.volume==AFS_FAKE_ROOT_VOL_ID)
5031     {
5032         pResultCB->TotalAllocationUnits.QuadPart = 100;
5033         memcpy(&pResultCB->VolumeCreationTime, &ft, sizeof(ft));
5034
5035         pResultCB->AvailableAllocationUnits.QuadPart = 0;
5036         pResultCB->Characteristics |= FILE_READ_ONLY_DEVICE;
5037
5038         pResultCB->VolumeLabelLength = cm_Utf8ToUtf16( "Freelance.Local.Root", -1, pResultCB->VolumeLabel,
5039                                                        (sizeof(pResultCB->VolumeLabel) / sizeof(WCHAR)) + 1);
5040         if ( pResultCB->VolumeLabelLength )
5041             pResultCB->VolumeLabelLength--;
5042     } else {
5043         memcpy(&pResultCB->VolumeCreationTime, &ft, sizeof(ft));
5044
5045         volp = cm_GetVolumeByFID(&scp->fid);
5046         if (!volp) {
5047             code = CM_ERROR_NOSUCHVOLUME;
5048             goto _done;
5049         }
5050         volstatep = cm_VolumeStateByID(volp, scp->fid.volume);
5051         volType = cm_VolumeType(volp, scp->fid.volume);
5052
5053         pResultCB->Characteristics |= ((volType == ROVOL || volType == BACKVOL) ? FILE_READ_ONLY_DEVICE : 0);
5054
5055         Name = volName;
5056         OfflineMsg = offLineMsg;
5057         MOTD = motd;
5058         lock_ReleaseWrite(&scp->rw);
5059         do {
5060             code = cm_ConnFromFID(&scp->fid, userp, &req, &connp);
5061             if (code) continue;
5062
5063             rxconnp = cm_GetRxConn(connp);
5064             code = RXAFS_GetVolumeStatus(rxconnp, scp->fid.volume,
5065                                          &volStat, &Name, &OfflineMsg, &MOTD);
5066             rx_PutConnection(rxconnp);
5067
5068         } while (cm_Analyze(connp, userp, &req, &scp->fid, NULL, NULL, NULL, code));
5069         code = cm_MapRPCError(code, &req);
5070         if (code == 0) {
5071             pResultCB->TotalAllocationUnits.QuadPart = volStat.PartMaxBlocks;
5072             pResultCB->AvailableAllocationUnits.QuadPart = volStat.PartBlocksAvail;
5073
5074             pResultCB->VolumeLabelLength = cm_Utf8ToUtf16( Name, -1, pResultCB->VolumeLabel,
5075                                                            (sizeof(pResultCB->VolumeLabel) / sizeof(WCHAR)) + 1);
5076         } else {
5077             pResultCB->TotalAllocationUnits.QuadPart = 0x7FFFFFFF;
5078             pResultCB->AvailableAllocationUnits.QuadPart = (volType == ROVOL || volType == BACKVOL) ? 0 : 0x3F000000;
5079
5080             pResultCB->VolumeLabelLength = cm_Utf8ToUtf16( volp->namep, -1, pResultCB->VolumeLabel,
5081                                                            (sizeof(pResultCB->VolumeLabel) / sizeof(WCHAR)) + 1);
5082             code = 0;
5083         }
5084         if ( pResultCB->VolumeLabelLength )
5085             pResultCB->VolumeLabelLength--;
5086
5087         lock_ObtainWrite(&scp->rw);
5088     }
5089     pResultCB->VolumeLabelLength *= sizeof(WCHAR);  /* convert to bytes from chars */
5090
5091     cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
5092
5093   _done:
5094     lock_ReleaseWrite(&scp->rw);
5095     if (volp)
5096        cm_PutVolume(volp);
5097     cm_ReleaseSCache(scp);
5098
5099     smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
5100     (*ResultCB)->ResultStatus = status;
5101     osi_Log0(afsd_logp, "RDR_GetVolumeInfo SUCCESS");
5102     return;
5103 }
5104
5105 void
5106 RDR_HoldFid( IN cm_user_t     *userp,
5107              IN AFSHoldFidRequestCB * pHoldFidCB,
5108              IN BOOL bFast,
5109              IN DWORD ResultBufferLength,
5110              IN OUT AFSCommResult **ResultCB)
5111 {
5112     AFSHoldFidResultCB *pResultCB = NULL;
5113     DWORD       index;
5114     DWORD       Length;
5115     cm_req_t    req;
5116
5117     RDR_InitReq(&req);
5118
5119     osi_Log1(afsd_logp, "RDR_HoldFid Count=%u", pHoldFidCB->Count);
5120
5121     Length = sizeof(AFSHoldFidResultCB) + (pHoldFidCB->Count-1) * sizeof(AFSFidResult);
5122     if (Length > ResultBufferLength) {
5123         *ResultCB = (AFSCommResult *)malloc(sizeof(AFSCommResult) );
5124         if (!(*ResultCB))
5125             return;
5126         memset( *ResultCB, 0, sizeof(AFSCommResult));
5127         (*ResultCB)->ResultStatus = STATUS_BUFFER_OVERFLOW;
5128         return;
5129     }
5130     *ResultCB = (AFSCommResult *)malloc( Length + sizeof( AFSCommResult) );
5131     if (!(*ResultCB))
5132         return;
5133     memset( *ResultCB, '\0', Length );
5134     (*ResultCB)->ResultBufferLength = Length;
5135     pResultCB = (AFSHoldFidResultCB *)(*ResultCB)->ResultData;
5136
5137     for ( index = 0; index < pHoldFidCB->Count; index++ )
5138     {
5139         cm_scache_t *scp = NULL;
5140         cm_fid_t    Fid;
5141
5142         Fid.cell   = pResultCB->Result[index].FileID.Cell   = pHoldFidCB->FileID[index].Cell;
5143         Fid.volume = pResultCB->Result[index].FileID.Volume = pHoldFidCB->FileID[index].Volume;
5144         Fid.vnode  = pResultCB->Result[index].FileID.Vnode  = pHoldFidCB->FileID[index].Vnode;
5145         Fid.unique = pResultCB->Result[index].FileID.Unique = pHoldFidCB->FileID[index].Unique;
5146         Fid.hash   = pResultCB->Result[index].FileID.Hash   = pHoldFidCB->FileID[index].Hash;
5147
5148         osi_Log4( afsd_logp,
5149                   "RDR_HoldFid File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
5150                   Fid.cell, Fid.volume, Fid.vnode, Fid.unique);
5151
5152         scp = cm_FindSCache(&Fid);
5153         if (scp) {
5154             RDR_FlagScpInUse( scp, FALSE );
5155             cm_ReleaseSCache(scp);
5156         }
5157         pResultCB->Result[index].Status = 0;
5158     }
5159
5160     (*ResultCB)->ResultStatus = 0;
5161     osi_Log0(afsd_logp, "RDR_HoldFid SUCCESS");
5162     return;
5163 }
5164
5165 void
5166 RDR_ReleaseFid( IN cm_user_t     *userp,
5167                 IN AFSReleaseFidRequestCB * pReleaseFidCB,
5168                 IN BOOL bFast,
5169                 IN DWORD ResultBufferLength,
5170                 IN OUT AFSCommResult **ResultCB)
5171 {
5172     AFSReleaseFidResultCB *pResultCB = NULL;
5173     DWORD       index;
5174     DWORD       Length;
5175     cm_req_t    req;
5176
5177     RDR_InitReq(&req);
5178
5179     osi_Log1(afsd_logp, "RDR_ReleaseFid Count=%u", pReleaseFidCB->Count);
5180
5181     Length = sizeof(AFSReleaseFidResultCB) + (pReleaseFidCB->Count ? pReleaseFidCB->Count-1 : 0) * sizeof(AFSFidResult);
5182     if (Length > ResultBufferLength) {
5183         *ResultCB = (AFSCommResult *)malloc(sizeof(AFSCommResult) );
5184         if (!(*ResultCB))
5185             return;
5186         memset( *ResultCB, 0, sizeof(AFSCommResult));
5187         (*ResultCB)->ResultStatus = STATUS_BUFFER_OVERFLOW;
5188         return;
5189     }
5190     *ResultCB = (AFSCommResult *)malloc( Length + sizeof( AFSCommResult) );
5191     if (!(*ResultCB))
5192         return;
5193     memset( *ResultCB, '\0', Length );
5194     (*ResultCB)->ResultBufferLength = Length;
5195     pResultCB = (AFSReleaseFidResultCB *)(*ResultCB)->ResultData;
5196
5197     for ( index = 0; index < pReleaseFidCB->Count; index++ )
5198     {
5199         cm_scache_t *scp = NULL;
5200         cm_fid_t    Fid;
5201
5202         Fid.cell   = pResultCB->Result[index].FileID.Cell   = pReleaseFidCB->FileID[index].Cell;
5203         Fid.volume = pResultCB->Result[index].FileID.Volume = pReleaseFidCB->FileID[index].Volume;
5204         Fid.vnode  = pResultCB->Result[index].FileID.Vnode  = pReleaseFidCB->FileID[index].Vnode;
5205         Fid.unique = pResultCB->Result[index].FileID.Unique = pReleaseFidCB->FileID[index].Unique;
5206         Fid.hash   = pResultCB->Result[index].FileID.Hash   = pReleaseFidCB->FileID[index].Hash;
5207
5208         osi_Log4( afsd_logp,
5209                   "RDR_ReleaseFid File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
5210                   Fid.cell, Fid.volume, Fid.vnode, Fid.unique);
5211
5212         scp = cm_FindSCache(&Fid);
5213         if (scp) {
5214             lock_ObtainWrite(&scp->rw);
5215             scp->flags &= ~CM_SCACHEFLAG_RDR_IN_USE;
5216             lock_ReleaseWrite(&scp->rw);
5217
5218             cm_ReleaseSCache(scp);
5219         }
5220         pResultCB->Result[index].Status = 0;
5221     }
5222     pResultCB->Count = pReleaseFidCB->Count;
5223
5224     (*ResultCB)->ResultStatus = 0;
5225     osi_Log0(afsd_logp, "RDR_ReleaseFid SUCCESS");
5226     return;
5227 }
5228
5229 /*
5230  * The redirector makes several assumptions regarding the
5231  * SRVSVC and WKSSVC pipes transactions.  First, the interface
5232  * versions are those indicated below.  Secondly, the encoding
5233  * will be performed using NDR version 2.  These assumptions
5234  * may not hold in the future and end-to-end MSRPC Bind
5235  * negotiations may need to be supported.  Of course, these
5236  * are the only interface versions that are supported by the
5237  * service.
5238  */
5239 #define MSRPC_PIPE_PREFIX L".\\"
5240
5241 static const UUID MSRPC_SRVSVC_UUID = {0x4B324FC8, 0x1670, 0x01D3,
5242                                        {0x12, 0x78, 0x5A, 0x47, 0xBF, 0x6E, 0xE1, 0x88}};
5243 #define MSRPC_SRVSVC_NAME L"PIPE\\SRVSVC"
5244 #define MSRPC_SRVSVC_VERS 3
5245
5246 static const UUID MSRPC_WKSSVC_UUID = {0x6BFFD098, 0xA112, 0x3610,
5247                                        {0x98, 0x33, 0x46, 0xC3, 0xF8, 0x7E, 0x34, 0x5A}};
5248 #define MSRPC_WKSSVC_NAME L"PIPE\\WKSSVC"
5249 #define MSRPC_WKSSVC_VERS 1
5250
5251 static const UUID MSRPC_NDR_UUID = {0x8A885D04, 0x1CEB, 0x11C9,
5252                                     {0x9F, 0xE8, 0x08, 0x00, 0x2B, 0x10, 0x48, 0x60}};
5253 #define MSRPC_NDR_NAME    L"NDR"
5254 #define MSRPC_NDR_VERS    2
5255
5256 extern RPC_IF_HANDLE srvsvc_v3_0_s_ifspec;
5257 extern RPC_IF_HANDLE wkssvc_v1_0_s_ifspec;
5258
5259 void
5260 RDR_PipeOpen( IN cm_user_t *userp,
5261               IN AFSFileID  ParentId,
5262               IN WCHAR     *Name,
5263               IN DWORD      NameLength,
5264               IN AFSPipeOpenCloseRequestCB *pPipe_CB,
5265               IN BOOL bWow64,
5266               IN DWORD ResultBufferLength,
5267               IN OUT AFSCommResult **ResultCB)
5268 {
5269     cm_fid_t    ParentFid;
5270     cm_fid_t    RootFid;
5271
5272     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult));
5273     if (!(*ResultCB))
5274         return;
5275
5276     memset( *ResultCB,
5277             '\0',
5278             sizeof( AFSCommResult));
5279
5280     /* Get the active directory */
5281     ParentFid.cell = ParentId.Cell;
5282     ParentFid.volume = ParentId.Volume;
5283     ParentFid.vnode = ParentId.Vnode;
5284     ParentFid.unique = ParentId.Unique;
5285     ParentFid.hash = ParentId.Hash;
5286
5287     /* Get the root directory */
5288     RootFid.cell = pPipe_CB->RootId.Cell;
5289     RootFid.volume = pPipe_CB->RootId.Volume;
5290     RootFid.vnode = pPipe_CB->RootId.Vnode;
5291     RootFid.unique = pPipe_CB->RootId.Unique;
5292     RootFid.hash = pPipe_CB->RootId.Hash;
5293
5294     /* Create the pipe index */
5295     (*ResultCB)->ResultStatus =
5296       RDR_SetupPipe( pPipe_CB->RequestId, &ParentFid, &RootFid,
5297                      Name, NameLength, userp);
5298     return;
5299 }
5300
5301
5302 void
5303 RDR_PipeClose( IN cm_user_t *userp,
5304                IN AFSFileID  ParentId,
5305                IN AFSPipeOpenCloseRequestCB *pPipe_CB,
5306                IN BOOL bWow64,
5307                IN DWORD ResultBufferLength,
5308                IN OUT AFSCommResult **ResultCB)
5309 {
5310     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult));
5311     if (!(*ResultCB))
5312         return;
5313
5314     memset( *ResultCB,
5315             '\0',
5316             sizeof( AFSCommResult));
5317
5318     /* Cleanup the pipe index */
5319     RDR_CleanupPipe(pPipe_CB->RequestId);
5320
5321     return;
5322 }
5323
5324
5325 void
5326 RDR_PipeWrite( IN cm_user_t *userp,
5327                IN AFSFileID  ParentId,
5328                IN AFSPipeIORequestCB *pPipe_CB,
5329                IN BYTE *pPipe_Data,
5330                IN BOOL bWow64,
5331                IN DWORD ResultBufferLength,
5332                IN OUT AFSCommResult **ResultCB)
5333 {
5334     AFSPipeIOResultCB *pResultCB;
5335     cm_scache_t *dscp = NULL;
5336     afs_uint32  code;
5337     cm_req_t    req;
5338     DWORD       status;
5339
5340     RDR_InitReq(&req);
5341     if ( bWow64 )
5342         req.flags |= CM_REQ_WOW64;
5343
5344     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult) + sizeof(AFSPipeIOResultCB));
5345     if (!(*ResultCB))
5346         return;
5347
5348     memset( *ResultCB,
5349             '\0',
5350             sizeof( AFSCommResult) + sizeof(AFSPipeIOResultCB));
5351
5352     pResultCB = (AFSPipeIOResultCB *)(*ResultCB)->ResultData;
5353
5354     code = RDR_Pipe_Write( pPipe_CB->RequestId, pPipe_CB->BufferLength, pPipe_Data, &req, userp);
5355     if (code) {
5356         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
5357         (*ResultCB)->ResultStatus = status;
5358         return;
5359     }
5360
5361     pResultCB->BytesProcessed = pPipe_CB->BufferLength;
5362     (*ResultCB)->ResultBufferLength = sizeof( AFSPipeIOResultCB);
5363 }
5364
5365
5366 void
5367 RDR_PipeRead( IN cm_user_t *userp,
5368               IN AFSFileID  ParentId,
5369               IN AFSPipeIORequestCB *pPipe_CB,
5370               IN BOOL bWow64,
5371               IN DWORD ResultBufferLength,
5372               IN OUT AFSCommResult **ResultCB)
5373 {
5374     BYTE *pPipe_Data;
5375     cm_scache_t *dscp = NULL;
5376     afs_uint32  code;
5377     cm_req_t    req;
5378     DWORD       status;
5379
5380     RDR_InitReq(&req);
5381     if ( bWow64 )
5382         req.flags |= CM_REQ_WOW64;
5383
5384     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult) + ResultBufferLength);
5385     if (!(*ResultCB))
5386         return;
5387
5388     memset( *ResultCB,
5389             '\0',
5390             sizeof( AFSCommResult));
5391
5392     pPipe_Data = (BYTE *)(*ResultCB)->ResultData;
5393
5394     code = RDR_Pipe_Read( pPipe_CB->RequestId, ResultBufferLength, pPipe_Data,
5395                           &(*ResultCB)->ResultBufferLength, &req, userp);
5396     if (code) {
5397         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
5398         (*ResultCB)->ResultStatus = status;
5399         return;
5400     }
5401 }
5402
5403
5404 void
5405 RDR_PipeSetInfo( IN cm_user_t *userp,
5406                  IN AFSFileID  ParentId,
5407                  IN AFSPipeInfoRequestCB *pPipeInfo_CB,
5408                  IN BYTE *pPipe_Data,
5409                  IN BOOL bWow64,
5410                  IN DWORD ResultBufferLength,
5411                  IN OUT AFSCommResult **ResultCB)
5412 {
5413     cm_scache_t *dscp = NULL;
5414     cm_req_t    req;
5415     DWORD       status;
5416
5417     RDR_InitReq(&req);
5418     if ( bWow64 )
5419         req.flags |= CM_REQ_WOW64;
5420
5421     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult));
5422     if (!(*ResultCB))
5423         return;
5424
5425     memset( *ResultCB,
5426             '\0',
5427             sizeof( AFSCommResult));
5428
5429     status = RDR_Pipe_SetInfo( pPipeInfo_CB->RequestId, pPipeInfo_CB->InformationClass,
5430                                pPipeInfo_CB->BufferLength, pPipe_Data, &req, userp);
5431
5432     (*ResultCB)->ResultStatus = status;
5433 }
5434
5435
5436 void
5437 RDR_PipeQueryInfo( IN cm_user_t *userp,
5438                    IN AFSFileID  ParentId,
5439                    IN AFSPipeInfoRequestCB *pPipeInfo_CB,
5440                    IN BOOL bWow64,
5441                    IN DWORD ResultBufferLength,
5442                    IN OUT AFSCommResult **ResultCB)
5443 {
5444     BYTE *pPipe_Data;
5445     cm_scache_t *dscp = NULL;
5446     cm_req_t    req;
5447     DWORD       status;
5448
5449     RDR_InitReq(&req);
5450     if ( bWow64 )
5451         req.flags |= CM_REQ_WOW64;
5452
5453     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult) + ResultBufferLength);
5454     if (!(*ResultCB))
5455         return;
5456
5457     memset( *ResultCB,
5458             '\0',
5459             sizeof( AFSCommResult) + sizeof(AFSPipeIOResultCB));
5460
5461     pPipe_Data = (BYTE *)(*ResultCB)->ResultData;
5462
5463     status = RDR_Pipe_QueryInfo( pPipeInfo_CB->RequestId, pPipeInfo_CB->InformationClass,
5464                                  ResultBufferLength, pPipe_Data,
5465                                  &(*ResultCB)->ResultBufferLength, &req, userp);
5466
5467     (*ResultCB)->ResultStatus = status;
5468 }
5469
5470 void
5471 RDR_PipeTransceive( IN cm_user_t     *userp,
5472                     IN AFSFileID  ParentId,
5473                     IN AFSPipeIORequestCB *pPipe_CB,
5474                     IN BYTE *pPipe_InData,
5475                     IN BOOL bWow64,
5476                     IN DWORD ResultBufferLength,
5477                     IN OUT AFSCommResult **ResultCB)
5478 {
5479     /*
5480      * This function processes a Pipe Service request
5481      * that would normally be sent to a LAN Manager server
5482      * across an authenticated SMB-PIPE/MSRPC/SVC request
5483      * stack.  The request is being sent here because the
5484      * application (e.g., Explorer Shell or Common Control File
5485      * dialog) believes that because the UNC path it is
5486      * processing has specified a server name that is not
5487      * "." and that the Server is remote and that the Share
5488      * list cannot be obtained using the Network Provider
5489      * interface.
5490      *
5491      * The file system driver is faking the Bind-Ack response
5492      * to the MSRPC Bind request but cannot decode the NDR
5493      * encoded Pipe Service requests.  For that we will use
5494      * the service's MSRPC module.  However, unlike the SMB
5495      * server usage we must fake the MSRPC Bind exchange and
5496      * map the PipeName to an interface instead of using the
5497      * GUID specified in the MSRPC Bind request.
5498      *
5499      * None of the requests that are being processed by the
5500      * service require authentication.  As a result the userp
5501      * parameter will be ignored.
5502      *
5503      * Although there are dozens of Pipe Services, the only
5504      * ones that we are implementing are WKSSVC and SRVSVC.
5505      * These support NetShareEnum, NetShareGetInfo,
5506      * NetServerGetInfo, and NetWorkstaGetInfo which are
5507      * commonly queried by NET VIEW, the Explorer Shell,
5508      * and the Common Control File dialog.
5509      */
5510     BYTE *pPipe_OutData;
5511     cm_scache_t *dscp = NULL;
5512     afs_uint32  code;
5513     cm_req_t    req;
5514     DWORD       status;
5515     DWORD Length = ResultBufferLength + sizeof( AFSCommResult);
5516
5517     RDR_InitReq(&req);
5518     if ( bWow64 )
5519         req.flags |= CM_REQ_WOW64;
5520
5521     *ResultCB = (AFSCommResult *)malloc( Length);
5522     if (!(*ResultCB))
5523         return;
5524     memset( *ResultCB, '\0', Length );
5525
5526     code = RDR_Pipe_Write( pPipe_CB->RequestId, pPipe_CB->BufferLength, pPipe_InData, &req, userp);
5527     if (code) {
5528         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
5529         osi_Log2( afsd_logp, "RDR_Pipe_Transceive Write FAILURE code=0x%x status=0x%x",
5530                   code, status);
5531         (*ResultCB)->ResultStatus = status;
5532         return;
5533     }
5534
5535     pPipe_OutData = (BYTE *)(*ResultCB)->ResultData;
5536     code = RDR_Pipe_Read( pPipe_CB->RequestId, ResultBufferLength, pPipe_OutData,
5537                           &(*ResultCB)->ResultBufferLength, &req, userp);
5538     if (code) {
5539         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
5540         osi_Log2( afsd_logp, "RDR_Pipe_Transceive Read FAILURE code=0x%x status=0x%x",
5541                   code, status);
5542         (*ResultCB)->ResultStatus = status;
5543         return;
5544     }
5545
5546     (*ResultCB)->ResultStatus = 0;
5547     osi_Log0(afsd_logp, "RDR_Pipe_Transceive SUCCESS");
5548 }