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 static wchar_t cname[MAX_COMPUTERNAME_LENGTH+1] = L"";
 182
 183 cm_user_t *
 184 RDR_GetLocalSystemUser( void)
 185 {
 186     smb_username_t *unp;
 187     cm_user_t *userp = NULL;
 188
 189     if ( cname[0] == '\0') {
 190         int len = MAX_COMPUTERNAME_LENGTH+1;
 191         GetComputerNameW(cname, &len);
 192         _wcsupr(cname);
 193     }
 194     unp = smb_FindUserByName(NTSID_LOCAL_SYSTEM, cname, SMB_FLAG_CREATE);
 195     lock_ObtainMutex(&unp->mx);
 196     if (!unp->userp)
 197         unp->userp = cm_NewUser();
 198     unp->flags |= SMB_USERNAMEFLAG_SID;
 199     lock_ReleaseMutex(&unp->mx);
 200     userp = unp->userp;
 201     cm_HoldUser(userp);
 202     smb_ReleaseUsername(unp);
 203
 204     if (!userp) {
 205         userp = cm_rootUserp;
 206         cm_HoldUser(userp);
 207     }
 208
 209     return userp;
 210 }
 211
 212 cm_user_t *
 213 RDR_UserFromCommRequest( IN AFSCommRequest *RequestBuffer)
 214 {
 215
 216     return RDR_UserFromAuthGroup( &RequestBuffer->AuthGroup);
 217 }
 218
 219 cm_user_t *
 220 RDR_UserFromAuthGroup( IN GUID *pGuid)
 221 {
 222     smb_username_t *unp;
 223     cm_user_t * userp = NULL;
 224     RPC_WSTR UuidString = NULL;
 225
 226     if (UuidToStringW((UUID *)pGuid, &UuidString) != RPC_S_OK)
 227         goto done;
 228
 229     if ( cname[0] == '\0') {
 230         int len = MAX_COMPUTERNAME_LENGTH+1;
 231         GetComputerNameW(cname, &len);
 232         _wcsupr(cname);
 233     }
 234
 235     unp = smb_FindUserByName(UuidString, cname, SMB_FLAG_CREATE);
 236     lock_ObtainMutex(&unp->mx);
 237     if (!unp->userp) {
 238         unp->userp = cm_NewUser();
 239         memcpy(&unp->userp->authgroup, pGuid, sizeof(GUID));
 240     }
 241     unp->flags |= SMB_USERNAMEFLAG_SID;
 242     lock_ReleaseMutex(&unp->mx);
 243     userp = unp->userp;
 244     cm_HoldUser(userp);
 245     smb_ReleaseUsername(unp);
 246
 247   done:
 248     if (!userp) {
 249         userp = cm_rootUserp;
 250         cm_HoldUser(userp);
 251     }
 252
 253     osi_Log2(afsd_logp, "RDR_UserFromCommRequest Guid %S userp = 0x%p",
 254              osi_LogSaveStringW(afsd_logp, UuidString),
 255              userp);
 256
 257     if (UuidString)
 258         RpcStringFreeW(&UuidString);
 259
 260     return userp;
 261 }
 262
 263 void
 264 RDR_ReleaseUser( IN cm_user_t *userp )
 265 {
 266     osi_Log1(afsd_logp, "RDR_ReleaseUser userp = 0x%p", userp);
 267     cm_ReleaseUser(userp);
 268 }
 269
 270
 271 /*
 272  * RDR_FlagScpInUse flags the scp with CM_SCACHEFLAG_RDR_IN_USE
 273  */
 274 static void
 275 RDR_FlagScpInUse( IN cm_scache_t *scp, IN BOOL bLocked )
 276 {
 277     if (!bLocked)
 278         lock_ObtainWrite(&scp->rw);
 279
 280     lock_AssertWrite(&scp->rw);
 281     scp->flags |= CM_SCACHEFLAG_RDR_IN_USE;
 282
 283     if (!bLocked)
 284         lock_ReleaseWrite(&scp->rw);
 285 }
 286
 287 /*
 288  * Obtain the status information for the specified object using
 289  * an inline bulk status rpc.  cm_BPlusDirEnumBulkStatOne() will
 290  * obtain current status for the directory object, the object
 291  * which is the focus of the inquiry and as many other objects
 292  * in the directory for which there are not callbacks registered
 293  * since we are likely to be asked for other objects in the directory.
 294  */
 295 static afs_uint32
 296 RDR_BulkStatLookup( cm_scache_t *dscp,
 297                     cm_scache_t *scp,
 298                     cm_user_t   *userp,
 299                     cm_req_t    *reqp)
 300 {
 301     cm_direnum_t *      enump = NULL;
 302     afs_uint32  code = 0;
 303     cm_dirOp_t    dirop;
 304
 305     code = cm_BeginDirOp(dscp, userp, reqp, CM_DIRLOCK_READ, CM_DIROP_FLAG_NONE, &dirop);
 306     if (code == 0) {
 307         code = cm_BPlusDirEnumerate(dscp, userp, reqp, TRUE, NULL, TRUE, &enump);
 308         if (code) {
 309             osi_Log1(afsd_logp, "RDR_BulkStatLookup cm_BPlusDirEnumerate failure code=0x%x",
 310                       code);
 311         }
 312         cm_EndDirOp(&dirop);
 313     } else {
 314         osi_Log1(afsd_logp, "RDR_BulkStatLookup cm_BeginDirOp failure code=0x%x",
 315                   code);
 316     }
 317
 318     if (enump)
 319     {
 320         code = cm_BPlusDirEnumBulkStatOne(enump, scp);
 321         if (code) {
 322             osi_Log1(afsd_logp, "RDR_BulkStatLookup cm_BPlusDirEnumBulkStatOne failure code=0x%x",
 323                       code);
 324         }
 325         cm_BPlusDirFreeEnumeration(enump);
 326     }
 327
 328     return code;
 329 }
 330
 331
 332 #define RDR_POP_FOLLOW_MOUNTPOINTS 0x01
 333 #define RDR_POP_EVALUATE_SYMLINKS  0x02
 334 #define RDR_POP_WOW64              0x04
 335 #define RDR_POP_NO_GETSTATUS       0x08
 336
 337 static afs_uint32
 338 RDR_PopulateCurrentEntry( IN  AFSDirEnumEntry * pCurrentEntry,
 339                           IN  DWORD             dwMaxEntryLength,
 340                           IN  cm_scache_t     * dscp,
 341                           IN  cm_scache_t     * scp,
 342                           IN  cm_user_t       * userp,
 343                           IN  cm_req_t        * reqp,
 344                           IN  wchar_t         * name,
 345                           IN  wchar_t         * shortName,
 346                           IN  DWORD             dwFlags,
 347                           IN  afs_uint32        cmError,
 348                           OUT AFSDirEnumEntry **ppNextEntry,
 349                           OUT DWORD           * pdwRemainingLength)
 350 {
 351     FILETIME ft;
 352     WCHAR *  wname, *wtarget;
 353     size_t   len;
 354     DWORD      dwEntryLength;
 355     afs_uint32 code = 0, code2 = 0;
 356     BOOL          bMustFake = FALSE;
 357
 358     osi_Log5(afsd_logp, "RDR_PopulateCurrentEntry dscp=0x%p scp=0x%p name=%S short=%S flags=0x%x",
 359              dscp, scp, osi_LogSaveStringW(afsd_logp, name),
 360              osi_LogSaveStringW(afsd_logp, shortName), dwFlags);
 361     osi_Log1(afsd_logp, "... maxLength=%d", dwMaxEntryLength);
 362
 363     if (dwMaxEntryLength < sizeof(AFSDirEnumEntry) + (MAX_PATH + MOUNTPOINTLEN) * sizeof(wchar_t)) {
 364         if (ppNextEntry)
 365             *ppNextEntry = pCurrentEntry;
 366         if (pdwRemainingLength)
 367             *pdwRemainingLength = dwMaxEntryLength;
 368         osi_Log2(afsd_logp, "RDR_PopulateCurrentEntry Not Enough Room for Entry %d < %d",
 369                  dwMaxEntryLength, sizeof(AFSDirEnumEntry) + (MAX_PATH + MOUNTPOINTLEN) * sizeof(wchar_t));
 370         return CM_ERROR_TOOBIG;
 371     }
 372
 373     if (!name)
 374         name = L"";
 375     if (!shortName)
 376         shortName = L"";
 377
 378     dwEntryLength = sizeof(AFSDirEnumEntry);
 379
 380     lock_ObtainWrite(&scp->rw);
 381     if (dwFlags & RDR_POP_NO_GETSTATUS) {
 382         if (!cm_HaveCallback(scp))
 383             bMustFake = TRUE;
 384     } else {
 385 #ifdef AFS_FREELANCE_CLIENT
 386         if (scp->fid.cell == AFS_FAKE_ROOT_CELL_ID && scp->fid.volume == AFS_FAKE_ROOT_VOL_ID) {
 387             /*
 388              * If the FID is from the Freelance Local Root always perform
 389              * a single item status check.
 390              */
 391             code = cm_SyncOp( scp, NULL, userp, reqp, 0,
 392                               CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
 393             if (code) {
 394                 lock_ReleaseWrite(&scp->rw);
 395                 osi_Log2(afsd_logp, "RDR_PopulateCurrentEntry cm_SyncOp failed for scp=0x%p code=0x%x",
 396                          scp, code);
 397                 return code;
 398             }
 399         } else
 400 #endif
 401         {
 402             /*
 403              * For non-Freelance objects, check to see if we have current
 404              * status information.  If not, perform a bulk status lookup of multiple
 405              * entries in order to reduce the number of RPCs issued to the file server.
 406              */
 407             if (cm_EAccesFindEntry(userp, &scp->fid))
 408                 bMustFake = TRUE;
 409             else if (!cm_HaveCallback(scp)) {
 410                 lock_ReleaseWrite(&scp->rw);
 411                 code = RDR_BulkStatLookup(dscp, scp, userp, reqp);
 412                 if (code) {
 413                     osi_Log2(afsd_logp, "RDR_PopulateCurrentEntry RDR_BulkStatLookup failed for scp=0x%p code=0x%x",
 414                              scp, code);
 415                     return code;
 416                 }
 417                 lock_ObtainWrite(&scp->rw);
 418                 /*
 419                  * RDR_BulkStatLookup can succeed but it may be the case that there
 420                  * still is not valid status info.  If we get this far, generate fake
 421                  * status info.
 422                  */
 423                 if (!cm_HaveCallback(scp))
 424                     bMustFake = TRUE;
 425             }
 426         }
 427     }
 428
 429     /* Populate the error code */
 430     smb_MapNTError(cmError, &pCurrentEntry->NTStatus, TRUE);
 431
 432     /* Populate the real or fake data */
 433     pCurrentEntry->FileId.Cell = scp->fid.cell;
 434     pCurrentEntry->FileId.Volume = scp->fid.volume;
 435     pCurrentEntry->FileId.Vnode = scp->fid.vnode;
 436     pCurrentEntry->FileId.Unique = scp->fid.unique;
 437     pCurrentEntry->FileId.Hash = scp->fid.hash;
 438
 439     pCurrentEntry->FileType = scp->fileType;
 440
 441     pCurrentEntry->DataVersion.QuadPart = scp->dataVersion;
 442
 443     if (scp->fid.cell==AFS_FAKE_ROOT_CELL_ID &&
 444         scp->fid.volume==AFS_FAKE_ROOT_VOL_ID) {
 445         cm_LargeSearchTimeFromUnixTime(&ft, MAX_AFS_UINT32);
 446     } else {
 447         cm_LargeSearchTimeFromUnixTime(&ft, scp->cbExpires);
 448     }
 449     pCurrentEntry->Expiration.LowPart = ft.dwLowDateTime;
 450     pCurrentEntry->Expiration.HighPart = ft.dwHighDateTime;
 451
 452     if (bMustFake) {
 453         /* 1969-12-31 23:59:59 +00 */
 454         ft.dwHighDateTime = 0x19DB200;
 455         ft.dwLowDateTime = 0x5BB78980;
 456     } else
 457         cm_LargeSearchTimeFromUnixTime(&ft, scp->clientModTime);
 458     pCurrentEntry->CreationTime.LowPart = ft.dwLowDateTime;
 459     pCurrentEntry->CreationTime.HighPart = ft.dwHighDateTime;
 460     pCurrentEntry->LastAccessTime = pCurrentEntry->CreationTime;
 461     pCurrentEntry->LastWriteTime = pCurrentEntry->CreationTime;
 462     pCurrentEntry->ChangeTime = pCurrentEntry->CreationTime;
 463
 464     pCurrentEntry->EndOfFile = scp->length;
 465     pCurrentEntry->AllocationSize = scp->length;
 466
 467     if (bMustFake) {
 468         switch (scp->fileType) {
 469         case CM_SCACHETYPE_DIRECTORY:
 470             pCurrentEntry->FileAttributes = SMB_ATTR_DIRECTORY;
 471             break;
 472         case CM_SCACHETYPE_MOUNTPOINT:
 473         case CM_SCACHETYPE_INVALID:
 474             pCurrentEntry->FileAttributes = SMB_ATTR_DIRECTORY | SMB_ATTR_REPARSE_POINT;
 475             break;
 476         case CM_SCACHETYPE_SYMLINK:
 477             if (cm_TargetPerceivedAsDirectory(scp->mountPointStringp))
 478                 pCurrentEntry->FileAttributes = SMB_ATTR_DIRECTORY | SMB_ATTR_REPARSE_POINT;
 479             else
 480                 pCurrentEntry->FileAttributes = SMB_ATTR_REPARSE_POINT;
 481             break;
 482         default:
 483             /* if we get here we either have a normal file
 484             * or we have a file for which we have never
 485             * received status info.  In this case, we can
 486             * check the even/odd value of the entry's vnode.
 487             * odd means it is to be treated as a directory
 488             * and even means it is to be treated as a file.
 489             */
 490             if (scp->fid.vnode & 0x1)
 491                 pCurrentEntry->FileAttributes = SMB_ATTR_DIRECTORY;
 492             else
 493                 pCurrentEntry->FileAttributes = SMB_ATTR_NORMAL;
 494         }
 495     } else
 496         pCurrentEntry->FileAttributes = smb_ExtAttributes(scp);
 497     pCurrentEntry->EaSize = 0;
 498     pCurrentEntry->Links = scp->linkCount;
 499
 500     len = wcslen(shortName);
 501     wcsncpy(pCurrentEntry->ShortName, shortName, len);
 502     pCurrentEntry->ShortNameLength = (CCHAR)(len * sizeof(WCHAR));
 503
 504     pCurrentEntry->FileNameOffset = sizeof(AFSDirEnumEntry);
 505     len = wcslen(name);
 506     wname = (WCHAR *)((PBYTE)pCurrentEntry + pCurrentEntry->FileNameOffset);
 507     wcsncpy(wname, name, len);
 508     pCurrentEntry->FileNameLength = (ULONG)(sizeof(WCHAR) * len);
 509
 510     osi_Log3(afsd_logp, "RDR_PopulateCurrentEntry scp=0x%p fileType=%d dv=%u",
 511               scp, scp->fileType, (afs_uint32)scp->dataVersion);
 512
 513     if (!(dwFlags & RDR_POP_NO_GETSTATUS))
 514         cm_SyncOpDone( scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
 515
 516     if ((dwFlags & RDR_POP_NO_GETSTATUS) || !cm_HaveCallback(scp)) {
 517         pCurrentEntry->TargetNameOffset = 0;
 518         pCurrentEntry->TargetNameLength = 0;
 519     }
 520     else
 521     switch (scp->fileType) {
 522     case CM_SCACHETYPE_MOUNTPOINT:
 523         if (dwFlags & RDR_POP_FOLLOW_MOUNTPOINTS) {
 524             if ((code2 = cm_ReadMountPoint(scp, userp, reqp)) == 0) {
 525                 cm_scache_t *targetScp = NULL;
 526
 527                 pCurrentEntry->TargetNameOffset = pCurrentEntry->FileNameOffset + pCurrentEntry->FileNameLength;
 528                 len = strlen(scp->mountPointStringp);
 529                 wtarget = (WCHAR *)((PBYTE)pCurrentEntry + pCurrentEntry->TargetNameOffset);
 530
 531 #ifdef UNICODE
 532                 cch = MultiByteToWideChar( CP_UTF8, 0, scp->mountPointStringp,
 533                                            len * sizeof(char),
 534                                            wtarget,
 535                                            len * sizeof(WCHAR));
 536 #else
 537                 mbstowcs(wtarget, scp->mountPointStringp, len);
 538 #endif
 539                 pCurrentEntry->TargetNameLength = (ULONG)(sizeof(WCHAR) * len);
 540
 541                 code2 = cm_FollowMountPoint(scp, dscp, userp, reqp, &targetScp);
 542
 543                 if (code2 == 0) {
 544                     pCurrentEntry->TargetFileId.Cell = targetScp->fid.cell;
 545                     pCurrentEntry->TargetFileId.Volume = targetScp->fid.volume;
 546                     pCurrentEntry->TargetFileId.Vnode = targetScp->fid.vnode;
 547                     pCurrentEntry->TargetFileId.Unique = targetScp->fid.unique;
 548                     pCurrentEntry->TargetFileId.Hash = targetScp->fid.hash;
 549
 550                     osi_Log4(afsd_logp, "RDR_PopulateCurrentEntry target FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
 551                               pCurrentEntry->TargetFileId.Cell, pCurrentEntry->TargetFileId.Volume,
 552                               pCurrentEntry->TargetFileId.Vnode, pCurrentEntry->TargetFileId.Unique);
 553
 554                     cm_ReleaseSCache(targetScp);
 555                 } else {
 556                     osi_Log2(afsd_logp, "RDR_PopulateCurrentEntry cm_FollowMountPoint failed scp=0x%p code=0x%x",
 557                               scp, code2);
 558                 }
 559             } else {
 560                 osi_Log2(afsd_logp, "RDR_PopulateCurrentEntry cm_ReadMountPoint failed scp=0x%p code=0x%x",
 561                           scp, code2);
 562             }
 563         }
 564         break;
 565     case CM_SCACHETYPE_SYMLINK:
 566     case CM_SCACHETYPE_DFSLINK:
 567         {
 568             pCurrentEntry->TargetNameOffset = pCurrentEntry->FileNameOffset + pCurrentEntry->FileNameLength;
 569             wtarget = (WCHAR *)((PBYTE)pCurrentEntry + pCurrentEntry->TargetNameOffset);
 570
 571             if (dwFlags & RDR_POP_EVALUATE_SYMLINKS) {
 572                 char * mp;
 573
 574                 code2 = cm_HandleLink(scp, userp, reqp);
 575                 if (code2 == 0) {
 576                     mp = scp->mountPointStringp;
 577                     len = strlen(mp);
 578                     if ( len != 0 ) {
 579                         /* Strip off the msdfs: prefix from the target name for the file system */
 580                         if (scp->fileType == CM_SCACHETYPE_DFSLINK) {
 581                             osi_Log0(afsd_logp, "RDR_PopulateCurrentEntry DFSLink Detected");
 582                             pCurrentEntry->FileType = scp->fileType;
 583
 584                             if (!strncmp("msdfs:", mp, 6)) {
 585                                 mp += 6;
 586                                 len -= 6;
 587                             }
 588                         }
 589                         /* only send one slash to the redirector */
 590                         if (mp[0] == '\\' && mp[1] == '\\') {
 591                             mp++;
 592                             len--;
 593                         }
 594 #ifdef UNICODE
 595                         cch = MultiByteToWideChar( CP_UTF8, 0, mp,
 596                                                    len * sizeof(char),
 597                                                    wtarget,
 598                                                    len * sizeof(WCHAR));
 599 #else
 600                         mbstowcs(wtarget, mp, len);
 601 #endif
 602                     }
 603                     pCurrentEntry->TargetNameLength = (ULONG)(sizeof(WCHAR) * len);
 604                 } else {
 605                     osi_Log2(afsd_logp, "RDR_PopulateCurrentEntry cm_HandleLink failed scp=0x%p code=0x%x",
 606                              scp, code2);
 607                 }
 608             }
 609
 610         }
 611         break;
 612
 613     default:
 614         pCurrentEntry->TargetNameOffset = 0;
 615         pCurrentEntry->TargetNameLength = 0;
 616     }
 617     lock_ReleaseWrite(&scp->rw);
 618
 619     dwEntryLength += pCurrentEntry->FileNameLength + pCurrentEntry->TargetNameLength;
 620     dwEntryLength += (dwEntryLength % 8) ? 8 - (dwEntryLength % 8) : 0;   /* quad align */
 621     if (ppNextEntry)
 622         *ppNextEntry = (AFSDirEnumEntry *)((PBYTE)pCurrentEntry + dwEntryLength);
 623     if (pdwRemainingLength)
 624         *pdwRemainingLength = dwMaxEntryLength - dwEntryLength;
 625
 626     osi_Log3(afsd_logp, "RDR_PopulateCurrentEntry Success FileNameLength=%d TargetNameLength=%d RemainingLength=%d",
 627               pCurrentEntry->FileNameLength, pCurrentEntry->TargetNameLength, *pdwRemainingLength);
 628
 629     return code;
 630 }
 631
 632 static afs_uint32
 633 RDR_PopulateCurrentEntryNoScp( IN  AFSDirEnumEntry * pCurrentEntry,
 634                                IN  DWORD             dwMaxEntryLength,
 635                                IN  cm_scache_t     * dscp,
 636                                IN  cm_fid_t        * fidp,
 637                                IN  cm_user_t       * userp,
 638                                IN  cm_req_t        * reqp,
 639                                IN  wchar_t         * name,
 640                                IN  wchar_t         * shortName,
 641                                IN  DWORD             dwFlags,
 642                                IN  afs_uint32        cmError,
 643                                OUT AFSDirEnumEntry **ppNextEntry,
 644                                OUT DWORD           * pdwRemainingLength)
 645 {
 646     FILETIME ft;
 647     WCHAR *  wname;
 648     size_t   len;
 649     DWORD      dwEntryLength;
 650     afs_uint32 code = 0, code2 = 0;
 651
 652     osi_Log4(afsd_logp, "RDR_PopulateCurrentEntryNoEntry dscp=0x%p name=%S short=%S flags=0x%x",
 653              dscp, osi_LogSaveStringW(afsd_logp, name),
 654              osi_LogSaveStringW(afsd_logp, shortName), dwFlags);
 655     osi_Log1(afsd_logp, "... maxLength=%d", dwMaxEntryLength);
 656
 657     if (dwMaxEntryLength < sizeof(AFSDirEnumEntry) + (MAX_PATH + MOUNTPOINTLEN) * sizeof(wchar_t)) {
 658         if (ppNextEntry)
 659             *ppNextEntry = pCurrentEntry;
 660         if (pdwRemainingLength)
 661             *pdwRemainingLength = dwMaxEntryLength;
 662         osi_Log2(afsd_logp, "RDR_PopulateCurrentEntryNoEntry Not Enough Room for Entry %d < %d",
 663                  dwMaxEntryLength, sizeof(AFSDirEnumEntry) + (MAX_PATH + MOUNTPOINTLEN) * sizeof(wchar_t));
 664         return CM_ERROR_TOOBIG;
 665     }
 666
 667     if (!name)
 668         name = L"";
 669     if (!shortName)
 670         shortName = L"";
 671
 672     dwEntryLength = sizeof(AFSDirEnumEntry);
 673
 674     /* Populate the error code */
 675     smb_MapNTError(cmError, &pCurrentEntry->NTStatus, TRUE);
 676
 677     /* Populate the fake data */
 678     pCurrentEntry->FileId.Cell = fidp->cell;
 679     pCurrentEntry->FileId.Volume = fidp->volume;
 680     pCurrentEntry->FileId.Vnode = fidp->vnode;
 681     pCurrentEntry->FileId.Unique = fidp->unique;
 682     pCurrentEntry->FileId.Hash = fidp->hash;
 683
 684     pCurrentEntry->FileType = CM_SCACHETYPE_UNKNOWN;
 685
 686     pCurrentEntry->DataVersion.QuadPart = CM_SCACHE_VERSION_BAD;
 687
 688     cm_LargeSearchTimeFromUnixTime(&ft, 0);
 689     pCurrentEntry->Expiration.LowPart = ft.dwLowDateTime;
 690     pCurrentEntry->Expiration.HighPart = ft.dwHighDateTime;
 691
 692     cm_LargeSearchTimeFromUnixTime(&ft, 0);
 693     pCurrentEntry->CreationTime.LowPart = ft.dwLowDateTime;
 694     pCurrentEntry->CreationTime.HighPart = ft.dwHighDateTime;
 695     pCurrentEntry->LastAccessTime = pCurrentEntry->CreationTime;
 696     pCurrentEntry->LastWriteTime = pCurrentEntry->CreationTime;
 697     pCurrentEntry->ChangeTime = pCurrentEntry->CreationTime;
 698
 699     pCurrentEntry->EndOfFile.QuadPart = 0;
 700     pCurrentEntry->AllocationSize.QuadPart = 0;
 701     pCurrentEntry->FileAttributes = 0;
 702     pCurrentEntry->EaSize = 0;
 703     pCurrentEntry->Links = 0;
 704
 705     len = wcslen(shortName);
 706     wcsncpy(pCurrentEntry->ShortName, shortName, len);
 707     pCurrentEntry->ShortNameLength = (CCHAR)(len * sizeof(WCHAR));
 708
 709     pCurrentEntry->FileNameOffset = sizeof(AFSDirEnumEntry);
 710     len = wcslen(name);
 711     wname = (WCHAR *)((PBYTE)pCurrentEntry + pCurrentEntry->FileNameOffset);
 712     wcsncpy(wname, name, len);
 713     pCurrentEntry->FileNameLength = (ULONG)(sizeof(WCHAR) * len);
 714
 715     pCurrentEntry->TargetNameOffset = 0;
 716     pCurrentEntry->TargetNameLength = 0;
 717
 718     dwEntryLength += pCurrentEntry->FileNameLength + pCurrentEntry->TargetNameLength;
 719     dwEntryLength += (dwEntryLength % 8) ? 8 - (dwEntryLength % 8) : 0;   /* quad align */
 720     if (ppNextEntry)
 721         *ppNextEntry = (AFSDirEnumEntry *)((PBYTE)pCurrentEntry + dwEntryLength);
 722     if (pdwRemainingLength)
 723         *pdwRemainingLength = dwMaxEntryLength - dwEntryLength;
 724
 725     osi_Log3(afsd_logp, "RDR_PopulateCurrentEntryNoScp Success FileNameLength=%d TargetNameLength=%d RemainingLength=%d",
 726               pCurrentEntry->FileNameLength, pCurrentEntry->TargetNameLength, *pdwRemainingLength);
 727
 728     return code;
 729 }
 730
 731 void
 732 RDR_EnumerateDirectory( IN cm_user_t *userp,
 733                         IN AFSFileID DirID,
 734                         IN AFSDirQueryCB *QueryCB,
 735                         IN BOOL bWow64,
 736                         IN BOOL bSkipStatus,
 737                         IN DWORD ResultBufferLength,
 738                         IN OUT AFSCommResult **ResultCB)
 739 {
 740     DWORD status;
 741     cm_direnum_t *      enump = NULL;
 742     AFSDirEnumResp  * pDirEnumResp;
 743     AFSDirEnumEntry * pCurrentEntry;
 744     size_t size = ResultBufferLength ? sizeof(AFSCommResult) + ResultBufferLength - 1 : sizeof(AFSCommResult);
 745     DWORD             dwMaxEntryLength;
 746     afs_uint32  code = 0;
 747     cm_fid_t      fid;
 748     cm_scache_t * dscp = NULL;
 749     cm_req_t      req;
 750
 751     RDR_InitReq(&req);
 752     if ( bWow64 )
 753         req.flags |= CM_REQ_WOW64;
 754
 755     osi_Log4(afsd_logp, "RDR_EnumerateDirectory FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
 756              DirID.Cell, DirID.Volume, DirID.Vnode, DirID.Unique);
 757
 758     *ResultCB = (AFSCommResult *)malloc(size);
 759     if (!(*ResultCB)) {
 760         osi_Log0(afsd_logp, "RDR_EnumerateDirectory Out of Memory");
 761         return;
 762     }
 763
 764     memset(*ResultCB, 0, size);
 765
 766     if (QueryCB->EnumHandle == (ULONG_PTR)-1) {
 767         osi_Log0(afsd_logp, "RDR_EnumerateDirectory No More Entries");
 768         (*ResultCB)->ResultStatus = STATUS_NO_MORE_ENTRIES;
 769         (*ResultCB)->ResultBufferLength = 0;
 770         return;
 771     }
 772
 773     (*ResultCB)->ResultBufferLength = dwMaxEntryLength = ResultBufferLength;
 774     if (ResultBufferLength) {
 775         pDirEnumResp = (AFSDirEnumResp *)&(*ResultCB)->ResultData;
 776         pCurrentEntry = (AFSDirEnumEntry *)&pDirEnumResp->Entry;
 777         dwMaxEntryLength -= FIELD_OFFSET( AFSDirEnumResp, Entry);      /* AFSDirEnumResp */
 778     }
 779
 780     if (DirID.Cell != 0) {
 781         fid.cell   = DirID.Cell;
 782         fid.volume = DirID.Volume;
 783         fid.vnode  = DirID.Vnode;
 784         fid.unique = DirID.Unique;
 785         fid.hash   = DirID.Hash;
 786
 787         code = cm_GetSCache(&fid, NULL, &dscp, userp, &req);
 788         if (code) {
 789             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
 790             (*ResultCB)->ResultStatus = status;
 791             osi_Log2(afsd_logp, "RDR_EnumerateDirectory cm_GetSCache failure code=0x%x status=0x%x",
 792                       code, status);
 793             return;
 794         }
 795     } else {
 796         (*ResultCB)->ResultStatus = STATUS_OBJECT_NAME_INVALID;
 797         osi_Log0(afsd_logp, "RDR_EnumerateDirectory Object Name Invalid - Cell = 0");
 798         return;
 799     }
 800
 801     /* get the directory size */
 802     lock_ObtainWrite(&dscp->rw);
 803     code = cm_SyncOp(dscp, NULL, userp, &req, PRSFS_LOOKUP,
 804                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
 805     if (code) {
 806         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
 807         (*ResultCB)->ResultStatus = status;
 808         lock_ReleaseWrite(&dscp->rw);
 809         cm_ReleaseSCache(dscp);
 810         osi_Log2(afsd_logp, "RDR_EnumerateDirectory cm_SyncOp failure code=0x%x status=0x%x",
 811                   code, status);
 812         return;
 813     }
 814
 815     cm_SyncOpDone(dscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
 816     lock_ReleaseWrite(&dscp->rw);
 817
 818     if (dscp->fileType != CM_SCACHETYPE_DIRECTORY) {
 819         (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
 820         cm_ReleaseSCache(dscp);
 821         osi_Log1(afsd_logp, "RDR_EnumerateDirectory Not a Directory dscp=0x%p",
 822                  dscp);
 823         return;
 824     }
 825
 826     osi_Log1(afsd_logp, "RDR_EnumerateDirectory dv=%u", (afs_uint32)dscp->dataVersion);
 827
 828     /*
 829      * If there is no enumeration handle, then this is a new query
 830      * and we must perform an enumeration for the specified object.
 831      */
 832     if (QueryCB->EnumHandle == (ULONG_PTR)NULL) {
 833         cm_dirOp_t    dirop;
 834
 835         code = cm_BeginDirOp(dscp, userp, &req, CM_DIRLOCK_READ, CM_DIROP_FLAG_NONE, &dirop);
 836         if (code == 0) {
 837             code = cm_BPlusDirEnumerate(dscp, userp, &req,
 838                                         TRUE /* dir locked */, NULL /* no mask */,
 839                                         TRUE /* fetch status? */, &enump);
 840             if (code) {
 841                 osi_Log1(afsd_logp, "RDR_EnumerateDirectory cm_BPlusDirEnumerate failure code=0x%x",
 842                           code);
 843             }
 844             cm_EndDirOp(&dirop);
 845         } else {
 846             osi_Log1(afsd_logp, "RDR_EnumerateDirectory cm_BeginDirOp failure code=0x%x",
 847                       code);
 848         }
 849     } else {
 850         enump = (cm_direnum_t *)QueryCB->EnumHandle;
 851     }
 852
 853     if (enump) {
 854         if (ResultBufferLength == 0) {
 855             code = cm_BPlusDirEnumBulkStat(enump);
 856             if (code) {
 857                 osi_Log1(afsd_logp, "RDR_EnumerateDirectory cm_BPlusDirEnumBulkStat failure code=0x%x",
 858                           code);
 859             }
 860         } else {
 861             cm_direnum_entry_t * entryp = NULL;
 862
 863             pDirEnumResp->SnapshotDataVersion.QuadPart = enump->dataVersion;
 864
 865           getnextentry:
 866             if (dwMaxEntryLength < sizeof(AFSDirEnumEntry) + (MAX_PATH + MOUNTPOINTLEN) * sizeof(wchar_t)) {
 867                 osi_Log0(afsd_logp, "RDR_EnumerateDirectory out of space, returning");
 868                 goto outofspace;
 869             }
 870
 871             code = cm_BPlusDirNextEnumEntry(enump, &entryp);
 872
 873             if ((code == 0 || code == CM_ERROR_STOPNOW) && entryp) {
 874                 cm_scache_t *scp = NULL;
 875                 int stopnow = (code == CM_ERROR_STOPNOW);
 876
 877                 if ( !wcscmp(L".", entryp->name) || !wcscmp(L"..", entryp->name) ) {
 878                     osi_Log0(afsd_logp, "RDR_EnumerateDirectory skipping . or ..");
 879                     if (stopnow)
 880                         goto outofspace;
 881                     goto getnextentry;
 882                 }
 883
 884                 if (bSkipStatus) {
 885                     code = cm_GetSCache(&entryp->fid, &dscp->fid, &scp, userp, &req);
 886                     if (code) {
 887                         osi_Log5(afsd_logp, "RDR_EnumerateDirectory cm_GetSCache failure cell %u vol %u vnode %u uniq %u code=0x%x",
 888                                  entryp->fid.cell, entryp->fid.volume, entryp->fid.vnode, entryp->fid.unique, code);
 889                     }
 890                 } else {
 891                     code = entryp->errorCode;
 892                     scp = code ? NULL : cm_FindSCache(&entryp->fid);
 893                 }
 894
 895                 if (scp) {
 896                     code = RDR_PopulateCurrentEntry( pCurrentEntry, dwMaxEntryLength,
 897                                                      dscp, scp, userp, &req,
 898                                                      entryp->name,
 899                                                      cm_Is8Dot3(entryp->name) ? NULL : entryp->shortName,
 900                                                      (bWow64 ? RDR_POP_WOW64 : 0) |
 901                                                      (bSkipStatus ? RDR_POP_NO_GETSTATUS : 0),
 902                                                      code,
 903                                                      &pCurrentEntry, &dwMaxEntryLength);
 904                     cm_ReleaseSCache(scp);
 905                 } else {
 906                     code = RDR_PopulateCurrentEntryNoScp( pCurrentEntry, dwMaxEntryLength,
 907                                                           dscp, &entryp->fid, userp, &req,
 908                                                           entryp->name,
 909                                                           cm_Is8Dot3(entryp->name) ? NULL : entryp->shortName,
 910                                                           (bWow64 ? RDR_POP_WOW64 : 0),
 911                                                           code,
 912                                                           &pCurrentEntry, &dwMaxEntryLength);
 913                 }
 914                 if (stopnow)
 915                     goto outofspace;
 916                 goto getnextentry;
 917             }
 918         }
 919     }
 920
 921   outofspace:
 922
 923     if (code || enump->next == enump->count || ResultBufferLength == 0) {
 924         cm_BPlusDirFreeEnumeration(enump);
 925         enump = (cm_direnum_t *)(ULONG_PTR)-1;
 926     }
 927
 928     if (code == 0 || code == CM_ERROR_STOPNOW) {
 929         (*ResultCB)->ResultStatus = STATUS_SUCCESS;
 930         osi_Log0(afsd_logp, "RDR_EnumerateDirectory SUCCESS");
 931     } else {
 932         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
 933         (*ResultCB)->ResultStatus = status;
 934         osi_Log2(afsd_logp, "RDR_EnumerateDirectory Failure code=0x%x status=0x%x",
 935                   code, status);
 936     }
 937
 938     if (ResultBufferLength) {
 939         (*ResultCB)->ResultBufferLength = ResultBufferLength - dwMaxEntryLength;
 940
 941         pDirEnumResp->EnumHandle = (ULONG_PTR) enump;
 942         pDirEnumResp->CurrentDataVersion.QuadPart = dscp->dataVersion;
 943     }
 944
 945     if (dscp)
 946         cm_ReleaseSCache(dscp);
 947
 948     return;
 949 }
 950
 951 void
 952 RDR_EvaluateNodeByName( IN cm_user_t *userp,
 953                         IN AFSFileID ParentID,
 954                         IN WCHAR   *FileNameCounted,
 955                         IN DWORD    FileNameLength,
 956                         IN BOOL     CaseSensitive,
 957                         IN BOOL     bWow64,
 958                         IN BOOL     bHoldFid,
 959                         IN BOOL     bNoFollow,
 960                         IN DWORD    ResultBufferLength,
 961                         IN OUT AFSCommResult **ResultCB)
 962 {
 963     AFSFileEvalResultCB *pEvalResultCB = NULL;
 964     AFSDirEnumEntry * pCurrentEntry;
 965     size_t size = ResultBufferLength ? sizeof(AFSCommResult) + ResultBufferLength - 1 : sizeof(AFSCommResult);
 966     afs_uint32  code = 0;
 967     cm_scache_t * scp = NULL;
 968     cm_scache_t * dscp = NULL;
 969     cm_req_t      req;
 970     cm_fid_t      parentFid;
 971     DWORD         status;
 972     DWORD         dwRemaining;
 973     WCHAR       * wszName = NULL;
 974     size_t        cbName;
 975     BOOL          bVol = FALSE;
 976     wchar_t       FileName[260];
 977
 978     StringCchCopyNW(FileName, 260, FileNameCounted, FileNameLength / sizeof(WCHAR));
 979
 980     RDR_InitReq(&req);
 981     if ( bWow64 )
 982         req.flags |= CM_REQ_WOW64;
 983
 984     osi_Log4(afsd_logp, "RDR_EvaluateNodeByName parent FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
 985              ParentID.Cell, ParentID.Volume, ParentID.Vnode, ParentID.Unique);
 986
 987     /* Allocate enough room to add a volume prefix if necessary */
 988     cbName = FileNameLength + (CM_PREFIX_VOL_CCH + 1) * sizeof(WCHAR);
 989     wszName = malloc(cbName);
 990     if (!wszName) {
 991         osi_Log0(afsd_logp, "RDR_EvaluateNodeByName Out of Memory");
 992         return;
 993     }
 994     StringCbCopyNW(wszName, cbName, FileName, FileNameLength);
 995     osi_Log1(afsd_logp, "... name=%S", osi_LogSaveStringW(afsd_logp, wszName));
 996
 997     *ResultCB = (AFSCommResult *)malloc(size);
 998     if (!(*ResultCB)) {
 999         osi_Log0(afsd_logp, "RDR_EvaluateNodeByName Out of Memory");
1000         free(wszName);
1001         return;
1002     }
1003
1004     memset(*ResultCB, 0, size);
1005     (*ResultCB)->ResultBufferLength = 0;
1006     dwRemaining = ResultBufferLength;
1007     if (ResultBufferLength >= sizeof( AFSFileEvalResultCB)) {
1008         pEvalResultCB = (AFSFileEvalResultCB *)&(*ResultCB)->ResultData;
1009         pCurrentEntry = &pEvalResultCB->DirEnum;
1010         dwRemaining -= (sizeof( AFSFileEvalResultCB) - sizeof( AFSDirEnumEntry));
1011     }
1012
1013     if (ParentID.Cell != 0) {
1014         parentFid.cell   = ParentID.Cell;
1015         parentFid.volume = ParentID.Volume;
1016         parentFid.vnode  = ParentID.Vnode;
1017         parentFid.unique = ParentID.Unique;
1018         parentFid.hash   = ParentID.Hash;
1019
1020         code = cm_GetSCache(&parentFid, NULL, &dscp, userp, &req);
1021         if (code) {
1022             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1023             (*ResultCB)->ResultStatus = status;
1024             if ( status == STATUS_INVALID_HANDLE)
1025                 status = STATUS_OBJECT_PATH_INVALID;
1026             osi_Log2(afsd_logp, "RDR_EvaluateNodeByName cm_GetSCache parentFID failure code=0x%x status=0x%x",
1027                       code, status);
1028             free(wszName);
1029             return;
1030         }
1031     } else {
1032         (*ResultCB)->ResultStatus = STATUS_OBJECT_NAME_INVALID;
1033         osi_Log0(afsd_logp, "RDR_EvaluateNodeByName Object Name Invalid - Cell = 0");
1034         return;
1035     }
1036
1037     /* get the directory size */
1038     lock_ObtainWrite(&dscp->rw);
1039     code = cm_SyncOp(dscp, NULL, userp, &req, 0,
1040                      CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1041     if (code) {
1042         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1043         (*ResultCB)->ResultStatus = status;
1044         lock_ReleaseWrite(&dscp->rw);
1045         cm_ReleaseSCache(dscp);
1046         osi_Log3(afsd_logp, "RDR_EvaluateNodeByName cm_SyncOp failure dscp=0x%p code=0x%x status=0x%x",
1047                  dscp, code, status);
1048         free(wszName);
1049         return;
1050     }
1051     cm_SyncOpDone(dscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1052     lock_ReleaseWrite(&dscp->rw);
1053
1054     if (dscp->fileType != CM_SCACHETYPE_DIRECTORY) {
1055         (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
1056         cm_ReleaseSCache(dscp);
1057         osi_Log1(afsd_logp, "RDR_EvaluateNodeByName Not a Directory dscp=0x%p",
1058                  dscp);
1059         free(wszName);
1060         return;
1061     }
1062
1063     code = cm_Lookup(dscp, wszName, CM_FLAG_CHECKPATH, userp, &req, &scp);
1064
1065     if ((code == CM_ERROR_NOSUCHPATH || code == CM_ERROR_NOSUCHFILE || code == CM_ERROR_BPLUS_NOMATCH) &&
1066          (wcschr(wszName, '%') != NULL || wcschr(wszName, '#') != NULL)) {
1067         /*
1068          * A volume reference:  <cell>{%,#}<volume> -> @vol:<cell>{%,#}<volume>
1069          */
1070         StringCchCopyNW(wszName, cbName, _C(CM_PREFIX_VOL), CM_PREFIX_VOL_CCH);
1071         StringCbCatNW(wszName, cbName, FileName, FileNameLength);
1072         bVol = TRUE;
1073
1074         code = cm_EvaluateVolumeReference(wszName, CM_FLAG_CHECKPATH, userp, &req, &scp);
1075     }
1076
1077     if (code == 0 && scp) {
1078         wchar_t shortName[13]=L"";
1079
1080         if (bVol) {
1081             cm_Gen8Dot3VolNameW(scp->fid.cell, scp->fid.volume, shortName, NULL);
1082         } else if (!cm_Is8Dot3(wszName)) {
1083             cm_dirFid_t dfid;
1084
1085             dfid.vnode = htonl(scp->fid.vnode);
1086             dfid.unique = htonl(scp->fid.unique);
1087
1088             cm_Gen8Dot3NameIntW(FileName, &dfid, shortName, NULL);
1089         } else {
1090             shortName[0] = '\0';
1091         }
1092
1093         code = RDR_PopulateCurrentEntry(pCurrentEntry, dwRemaining,
1094                                         dscp, scp, userp, &req,
1095                                         FileName, shortName,
1096                                         (bWow64 ? RDR_POP_WOW64 : 0) |
1097                                         (bNoFollow ? 0 : (RDR_POP_FOLLOW_MOUNTPOINTS | RDR_POP_EVALUATE_SYMLINKS)),
1098                                         0, NULL, &dwRemaining);
1099         if (bHoldFid)
1100             RDR_FlagScpInUse( scp, FALSE );
1101         cm_ReleaseSCache(scp);
1102
1103         if (code) {
1104             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1105             (*ResultCB)->ResultStatus = status;
1106             osi_Log2(afsd_logp, "RDR_EvaluateNodeByName FAILURE code=0x%x status=0x%x",
1107                       code, status);
1108         } else {
1109             pEvalResultCB->ParentDataVersion.QuadPart = dscp->dataVersion;
1110             (*ResultCB)->ResultStatus = STATUS_SUCCESS;
1111             (*ResultCB)->ResultBufferLength = ResultBufferLength - dwRemaining;
1112             osi_Log0(afsd_logp, "RDR_EvaluateNodeByName SUCCESS");
1113         }
1114     } else if (code) {
1115         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1116         (*ResultCB)->ResultStatus = status;
1117         osi_Log2(afsd_logp, "RDR_EvaluateNodeByName FAILURE code=0x%x status=0x%x",
1118                  code, status);
1119     } else {
1120         (*ResultCB)->ResultStatus = STATUS_NO_SUCH_FILE;
1121         osi_Log0(afsd_logp, "RDR_EvaluateNodeByName No Such File");
1122     }
1123     cm_ReleaseSCache(dscp);
1124     free(wszName);
1125
1126     return;
1127 }
1128
1129 void
1130 RDR_EvaluateNodeByID( IN cm_user_t *userp,
1131                       IN AFSFileID ParentID,            /* not used */
1132                       IN AFSFileID SourceID,
1133                       IN BOOL      bWow64,
1134                       IN BOOL      bNoFollow,
1135                       IN BOOL      bHoldFid,
1136                       IN DWORD     ResultBufferLength,
1137                       IN OUT AFSCommResult **ResultCB)
1138 {
1139     AFSFileEvalResultCB *pEvalResultCB = NULL;
1140     AFSDirEnumEntry * pCurrentEntry = NULL;
1141     size_t size = ResultBufferLength ? sizeof(AFSCommResult) + ResultBufferLength - 1 : sizeof(AFSCommResult);
1142     afs_uint32  code = 0;
1143     cm_scache_t * scp = NULL;
1144     cm_scache_t * dscp = NULL;
1145     cm_req_t      req;
1146     cm_fid_t      Fid;
1147     cm_fid_t      parentFid;
1148     DWORD         status;
1149     DWORD         dwRemaining;
1150
1151     osi_Log4(afsd_logp, "RDR_EvaluateNodeByID source FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
1152               SourceID.Cell, SourceID.Volume, SourceID.Vnode, SourceID.Unique);
1153     osi_Log4(afsd_logp, "... parent FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
1154               ParentID.Cell, ParentID.Volume, ParentID.Vnode, ParentID.Unique);
1155
1156     *ResultCB = (AFSCommResult *)malloc(size);
1157     if (!(*ResultCB)) {
1158         osi_Log0(afsd_logp, "RDR_EvaluateNodeByID Out of Memory");
1159         return;
1160     }
1161
1162     memset(*ResultCB, 0, size);
1163     (*ResultCB)->ResultBufferLength = 0;
1164     dwRemaining = ResultBufferLength;
1165     if (ResultBufferLength >= sizeof( AFSFileEvalResultCB)) {
1166         pEvalResultCB = (AFSFileEvalResultCB *)&(*ResultCB)->ResultData;
1167         pCurrentEntry = &pEvalResultCB->DirEnum;
1168         dwRemaining -= (sizeof( AFSFileEvalResultCB) - sizeof( AFSDirEnumEntry));
1169     }
1170
1171     RDR_InitReq(&req);
1172     if ( bWow64 )
1173         req.flags |= CM_REQ_WOW64;
1174
1175     if (SourceID.Cell != 0) {
1176         cm_SetFid(&Fid, SourceID.Cell, SourceID.Volume, SourceID.Vnode, SourceID.Unique);
1177         code = cm_GetSCache(&Fid, NULL, &scp, userp, &req);
1178         if (code) {
1179             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1180             (*ResultCB)->ResultStatus = status;
1181             osi_Log2(afsd_logp, "RDR_EvaluateNodeByID cm_GetSCache SourceFID failure code=0x%x status=0x%x",
1182                       code, status);
1183             return;
1184         }
1185     } else {
1186         (*ResultCB)->ResultStatus = STATUS_OBJECT_NAME_INVALID;
1187         osi_Log0(afsd_logp, "RDR_EvaluateNodeByID Object Name Invalid - Cell = 0");
1188         return;
1189     }
1190
1191     if (ParentID.Cell != 0) {
1192         cm_SetFid(&parentFid, ParentID.Cell, ParentID.Volume, ParentID.Vnode, ParentID.Unique);
1193         code = cm_GetSCache(&parentFid, NULL, &dscp, userp, &req);
1194         if (code) {
1195             cm_ReleaseSCache(scp);
1196             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1197             if ( status == STATUS_INVALID_HANDLE)
1198                 status = STATUS_OBJECT_PATH_INVALID;
1199             (*ResultCB)->ResultStatus = status;
1200             osi_Log2(afsd_logp, "RDR_EvaluateNodeByID cm_GetSCache parentFID failure code=0x%x status=0x%x",
1201                       code, status);
1202             return;
1203         }
1204     } else if (SourceID.Vnode == 1) {
1205         dscp = scp;
1206         cm_HoldSCache(dscp);
1207     } else if (scp->parentVnode) {
1208         cm_SetFid(&parentFid, SourceID.Cell, SourceID.Volume, scp->parentVnode, scp->parentUnique);
1209         code = cm_GetSCache(&parentFid, NULL, &dscp, userp, &req);
1210         if (code) {
1211             cm_ReleaseSCache(scp);
1212             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1213             if ( status == STATUS_INVALID_HANDLE)
1214                 status = STATUS_OBJECT_PATH_INVALID;
1215             (*ResultCB)->ResultStatus = status;
1216             osi_Log2(afsd_logp, "RDR_EvaluateNodeByID cm_GetSCache parentFID failure code=0x%x status=0x%x",
1217                       code, status);
1218             return;
1219         }
1220     } else {
1221         (*ResultCB)->ResultStatus = STATUS_OBJECT_PATH_INVALID;
1222         osi_Log0(afsd_logp, "RDR_EvaluateNodeByID Object Path Invalid - Unknown Parent");
1223         return;
1224     }
1225
1226     /* Make sure the directory is current */
1227     lock_ObtainWrite(&dscp->rw);
1228     code = cm_SyncOp(dscp, NULL, userp, &req, 0,
1229                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1230     if (code) {
1231         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1232         (*ResultCB)->ResultStatus = status;
1233         lock_ReleaseWrite(&dscp->rw);
1234         cm_ReleaseSCache(dscp);
1235         cm_ReleaseSCache(scp);
1236         osi_Log3(afsd_logp, "RDR_EvaluateNodeByID cm_SyncOp failure dscp=0x%p code=0x%x status=0x%x",
1237                  dscp, code, status);
1238         return;
1239     }
1240
1241     cm_SyncOpDone(dscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1242     lock_ReleaseWrite(&dscp->rw);
1243
1244     if (dscp->fileType != CM_SCACHETYPE_DIRECTORY) {
1245         (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
1246         cm_ReleaseSCache(dscp);
1247         cm_ReleaseSCache(scp);
1248         osi_Log1(afsd_logp, "RDR_EvaluateNodeByID Not a Directory dscp=0x%p", dscp);
1249         return;
1250     }
1251
1252     code = RDR_PopulateCurrentEntry(pCurrentEntry, dwRemaining,
1253                                     dscp, scp, userp, &req, NULL, NULL,
1254                                     (bWow64 ? RDR_POP_WOW64 : 0) |
1255                                     (bNoFollow ? 0 : (RDR_POP_FOLLOW_MOUNTPOINTS | RDR_POP_EVALUATE_SYMLINKS)),
1256                                     0, NULL, &dwRemaining);
1257
1258     if (bHoldFid)
1259         RDR_FlagScpInUse( scp, FALSE );
1260     cm_ReleaseSCache(scp);
1261     cm_ReleaseSCache(dscp);
1262
1263     if (code) {
1264         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1265         (*ResultCB)->ResultStatus = status;
1266         osi_Log2(afsd_logp, "RDR_EvaluateNodeByID FAILURE code=0x%x status=0x%x",
1267                  code, status);
1268     } else {
1269         pEvalResultCB->ParentDataVersion.QuadPart = dscp->dataVersion;
1270
1271         (*ResultCB)->ResultStatus = STATUS_SUCCESS;
1272         (*ResultCB)->ResultBufferLength = ResultBufferLength - dwRemaining;
1273         osi_Log0(afsd_logp, "RDR_EvaluateNodeByID SUCCESS");
1274     }
1275     return;
1276 }
1277
1278 void
1279 RDR_CreateFileEntry( IN cm_user_t *userp,
1280                      IN WCHAR *FileNameCounted,
1281                      IN DWORD FileNameLength,
1282                      IN AFSFileCreateCB *CreateCB,
1283                      IN BOOL bWow64,
1284                      IN BOOL bHoldFid,
1285                      IN DWORD ResultBufferLength,
1286                      IN OUT AFSCommResult **ResultCB)
1287 {
1288     AFSFileCreateResultCB *pResultCB = NULL;
1289     size_t size = sizeof(AFSCommResult) + ResultBufferLength - 1;
1290     cm_fid_t            parentFid;
1291     afs_uint32          code;
1292     cm_scache_t *       dscp = NULL;
1293     afs_uint32          flags = 0;
1294     cm_attr_t           setAttr;
1295     cm_scache_t *       scp = NULL;
1296     cm_req_t            req;
1297     DWORD               status;
1298     wchar_t             FileName[260];
1299
1300     StringCchCopyNW(FileName, 260, FileNameCounted, FileNameLength / sizeof(WCHAR));
1301
1302     osi_Log4(afsd_logp, "RDR_CreateFileEntry parent FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
1303               CreateCB->ParentId.Cell, CreateCB->ParentId.Volume,
1304               CreateCB->ParentId.Vnode, CreateCB->ParentId.Unique);
1305     osi_Log1(afsd_logp, "... name=%S", osi_LogSaveStringW(afsd_logp, FileName));
1306
1307     RDR_InitReq(&req);
1308     if ( bWow64 )
1309         req.flags |= CM_REQ_WOW64;
1310     memset(&setAttr, 0, sizeof(cm_attr_t));
1311
1312     *ResultCB = (AFSCommResult *)malloc(size);
1313     if (!(*ResultCB)) {
1314         osi_Log0(afsd_logp, "RDR_CreateFileEntry out of memory");
1315         return;
1316     }
1317
1318     memset( *ResultCB,
1319             '\0',
1320             size);
1321
1322     parentFid.cell   = CreateCB->ParentId.Cell;
1323     parentFid.volume = CreateCB->ParentId.Volume;
1324     parentFid.vnode  = CreateCB->ParentId.Vnode;
1325     parentFid.unique = CreateCB->ParentId.Unique;
1326     parentFid.hash   = CreateCB->ParentId.Hash;
1327
1328     code = cm_GetSCache(&parentFid, NULL, &dscp, userp, &req);
1329     if (code) {
1330         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1331         (*ResultCB)->ResultStatus = status;
1332         if ( status == STATUS_INVALID_HANDLE)
1333             status = STATUS_OBJECT_PATH_INVALID;
1334         osi_Log2(afsd_logp, "RDR_CreateFileEntry cm_GetSCache ParentFID failure code=0x%x status=0x%x",
1335                   code, status);
1336         return;
1337     }
1338
1339     lock_ObtainWrite(&dscp->rw);
1340     code = cm_SyncOp(dscp, NULL, userp, &req, 0,
1341                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1342     if (code) {
1343         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1344         (*ResultCB)->ResultStatus = status;
1345         lock_ReleaseWrite(&dscp->rw);
1346         cm_ReleaseSCache(dscp);
1347         osi_Log3(afsd_logp, "RDR_CreateFileEntry cm_SyncOp failure (1) dscp=0x%p code=0x%x status=0x%x",
1348                  dscp, code, status);
1349         return;
1350     }
1351
1352     cm_SyncOpDone(dscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1353     lock_ReleaseWrite(&dscp->rw);
1354
1355     if (dscp->fileType != CM_SCACHETYPE_DIRECTORY) {
1356         (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
1357         cm_ReleaseSCache(dscp);
1358         osi_Log1(afsd_logp, "RDR_CreateFileEntry Not a Directory dscp=0x%p",
1359                  dscp);
1360         return;
1361     }
1362
1363     /* Use current time */
1364     setAttr.mask = CM_ATTRMASK_CLIENTMODTIME;
1365     setAttr.clientModTime = time(NULL);
1366
1367     if (CreateCB->FileAttributes & FILE_ATTRIBUTE_DIRECTORY) {
1368         if (smb_unixModeDefaultDir) {
1369             setAttr.mask |= CM_ATTRMASK_UNIXMODEBITS;
1370             setAttr.unixModeBits = smb_unixModeDefaultDir;
1371             if (CreateCB->FileAttributes & FILE_ATTRIBUTE_READONLY)
1372                 setAttr.unixModeBits &= ~0222;          /* disable the write bits */
1373         }
1374
1375         code = cm_MakeDir(dscp, FileName, flags, &setAttr, userp, &req, &scp);
1376     } else {
1377         if (smb_unixModeDefaultFile) {
1378             setAttr.mask |= CM_ATTRMASK_UNIXMODEBITS;
1379             setAttr.unixModeBits = smb_unixModeDefaultFile;
1380             if (CreateCB->FileAttributes & FILE_ATTRIBUTE_READONLY)
1381                 setAttr.unixModeBits &= ~0222;          /* disable the write bits */
1382         }
1383
1384         setAttr.mask |= CM_ATTRMASK_LENGTH;
1385         setAttr.length.LowPart = CreateCB->AllocationSize.LowPart;
1386         setAttr.length.HighPart = CreateCB->AllocationSize.HighPart;
1387         code = cm_Create(dscp, FileName, flags, &setAttr, &scp, userp, &req);
1388     }
1389     if (code == 0) {
1390         wchar_t shortName[13]=L"";
1391         cm_dirFid_t dfid;
1392         DWORD dwRemaining;
1393
1394         (*ResultCB)->ResultStatus = 0;  // We will be able to fit all the data in here
1395
1396         (*ResultCB)->ResultBufferLength = sizeof( AFSFileCreateResultCB);
1397
1398         pResultCB = (AFSFileCreateResultCB *)(*ResultCB)->ResultData;
1399
1400         dwRemaining = ResultBufferLength - sizeof( AFSFileCreateResultCB) + sizeof( AFSDirEnumEntry);
1401
1402         lock_ObtainWrite(&dscp->rw);
1403         code = cm_SyncOp(dscp, NULL, userp, &req, 0,
1404                           CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1405         if (code) {
1406             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1407             (*ResultCB)->ResultStatus = status;
1408             lock_ReleaseWrite(&dscp->rw);
1409             cm_ReleaseSCache(dscp);
1410             cm_ReleaseSCache(scp);
1411             osi_Log3(afsd_logp, "RDR_CreateFileEntry cm_SyncOp failure (2) dscp=0x%p code=0x%x status=0x%x",
1412                       dscp, code, status);
1413             return;
1414         }
1415
1416         pResultCB->ParentDataVersion.QuadPart = dscp->dataVersion;
1417
1418         cm_SyncOpDone(dscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1419         lock_ReleaseWrite(&dscp->rw);
1420
1421         dfid.vnode = htonl(scp->fid.vnode);
1422         dfid.unique = htonl(scp->fid.unique);
1423
1424         if (!cm_Is8Dot3(FileName))
1425             cm_Gen8Dot3NameIntW(FileName, &dfid, shortName, NULL);
1426         else
1427             shortName[0] = '\0';
1428
1429         code = RDR_PopulateCurrentEntry(&pResultCB->DirEnum, dwRemaining,
1430                                         dscp, scp, userp, &req, FileName, shortName,
1431                                         RDR_POP_FOLLOW_MOUNTPOINTS | RDR_POP_EVALUATE_SYMLINKS,
1432                                         0, NULL, &dwRemaining);
1433
1434         if (bHoldFid)
1435             RDR_FlagScpInUse( scp, FALSE );
1436         cm_ReleaseSCache(scp);
1437         (*ResultCB)->ResultBufferLength = ResultBufferLength - dwRemaining;
1438         osi_Log0(afsd_logp, "RDR_CreateFileEntry SUCCESS");
1439     } else {
1440         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1441         (*ResultCB)->ResultStatus = status;
1442         (*ResultCB)->ResultBufferLength = 0;
1443         osi_Log2(afsd_logp, "RDR_CreateFileEntry FAILURE code=0x%x status=0x%x",
1444                   code, status);
1445     }
1446
1447     cm_ReleaseSCache(dscp);
1448
1449     return;
1450 }
1451
1452 void
1453 RDR_UpdateFileEntry( IN cm_user_t *userp,
1454                      IN AFSFileID FileId,
1455                      IN AFSFileUpdateCB *UpdateCB,
1456                      IN BOOL bWow64,
1457                      IN DWORD ResultBufferLength,
1458                      IN OUT AFSCommResult **ResultCB)
1459 {
1460     AFSFileUpdateResultCB *pResultCB = NULL;
1461     size_t size = sizeof(AFSCommResult) + ResultBufferLength - 1;
1462     cm_fid_t            Fid;
1463     cm_fid_t            parentFid;
1464     afs_uint32          code;
1465     afs_uint32          flags = 0;
1466     cm_attr_t           setAttr;
1467     cm_scache_t *       scp = NULL;
1468     cm_scache_t *       dscp = NULL;
1469     cm_req_t            req;
1470     time_t              clientModTime;
1471     FILETIME            ft;
1472     DWORD               status;
1473     BOOL                bScpLocked = FALSE;
1474
1475     RDR_InitReq(&req);
1476     if ( bWow64 )
1477         req.flags |= CM_REQ_WOW64;
1478     memset(&setAttr, 0, sizeof(cm_attr_t));
1479
1480     osi_Log4(afsd_logp, "RDR_UpdateFileEntry parent FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
1481               UpdateCB->ParentId.Cell, UpdateCB->ParentId.Volume,
1482               UpdateCB->ParentId.Vnode, UpdateCB->ParentId.Unique);
1483     osi_Log4(afsd_logp, "... object FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
1484               FileId.Cell, FileId.Volume,
1485               FileId.Vnode, FileId.Unique);
1486
1487     *ResultCB = (AFSCommResult *)malloc( size);
1488     if (!(*ResultCB)) {
1489         osi_Log0(afsd_logp, "RDR_UpdateFileEntry Out of Memory");
1490         return;
1491     }
1492
1493     memset( *ResultCB,
1494             '\0',
1495             size);
1496
1497     parentFid.cell   = UpdateCB->ParentId.Cell;
1498     parentFid.volume = UpdateCB->ParentId.Volume;
1499     parentFid.vnode  = UpdateCB->ParentId.Vnode;
1500     parentFid.unique = UpdateCB->ParentId.Unique;
1501     parentFid.hash   = UpdateCB->ParentId.Hash;
1502
1503     code = cm_GetSCache(&parentFid, NULL, &dscp, userp, &req);
1504     if (code) {
1505         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1506         (*ResultCB)->ResultStatus = status;
1507         if ( status == STATUS_INVALID_HANDLE)
1508             status = STATUS_OBJECT_PATH_INVALID;
1509         osi_Log2(afsd_logp, "RDR_UpdateFileEntry cm_GetSCache ParentFID failure code=0x%x status=0x%x",
1510                   code, status);
1511         return;
1512     }
1513
1514     lock_ObtainWrite(&dscp->rw);
1515     bScpLocked = TRUE;
1516     code = cm_SyncOp(dscp, NULL, userp, &req, 0,
1517                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1518     if (code) {
1519         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1520         (*ResultCB)->ResultStatus = status;
1521         lock_ReleaseWrite(&dscp->rw);
1522         cm_ReleaseSCache(dscp);
1523         osi_Log3(afsd_logp, "RDR_UpdateFileEntry cm_SyncOp failure dscp=0x%p code=0x%x status=0x%x",
1524                  dscp, code, status);
1525         return;
1526     }
1527
1528     cm_SyncOpDone(dscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1529     lock_ReleaseWrite(&dscp->rw);
1530     bScpLocked = FALSE;
1531
1532     if (dscp->fileType != CM_SCACHETYPE_DIRECTORY) {
1533         (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
1534         cm_ReleaseSCache(dscp);
1535         osi_Log1(afsd_logp, "RDR_UpdateFileEntry Not a Directory dscp=0x%p",
1536                  dscp);
1537         return;
1538     }
1539
1540     Fid.cell   = FileId.Cell;
1541     Fid.volume = FileId.Volume;
1542     Fid.vnode  = FileId.Vnode;
1543     Fid.unique = FileId.Unique;
1544     Fid.hash   = FileId.Hash;
1545
1546     code = cm_GetSCache(&Fid, &dscp->fid, &scp, userp, &req);
1547     if (code) {
1548         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1549         (*ResultCB)->ResultStatus = status;
1550         cm_ReleaseSCache(dscp);
1551         osi_Log2(afsd_logp, "RDR_UpdateFileEntry cm_GetSCache object FID failure code=0x%x status=0x%x",
1552                   code, status);
1553         return;
1554     }
1555
1556     lock_ObtainWrite(&scp->rw);
1557     bScpLocked = TRUE;
1558     code = cm_SyncOp(scp, NULL, userp, &req, 0,
1559                       CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_NEEDCALLBACK);
1560     if (code) {
1561         lock_ReleaseWrite(&scp->rw);
1562         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1563         (*ResultCB)->ResultStatus = status;
1564         (*ResultCB)->ResultBufferLength = 0;
1565         cm_ReleaseSCache(dscp);
1566         cm_ReleaseSCache(scp);
1567         osi_Log3(afsd_logp, "RDR_UpdateFileEntry cm_SyncOp failure scp=0x%p code=0x%x status=0x%x",
1568                  scp, code, status);
1569         return;
1570     }
1571     cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1572
1573     if (UpdateCB->ChangeTime.QuadPart) {
1574
1575         if (scp->fileType == CM_SCACHETYPE_FILE) {
1576             /* Do not set length and other attributes at the same time */
1577             if (scp->length.QuadPart != UpdateCB->AllocationSize.QuadPart) {
1578                 osi_Log2(afsd_logp, "RDR_UpdateFileEntry Length Change 0x%x -> 0x%x",
1579                           (afs_uint32)scp->length.QuadPart, (afs_uint32)UpdateCB->AllocationSize.QuadPart);
1580                 setAttr.mask |= CM_ATTRMASK_LENGTH;
1581                 setAttr.length.LowPart = UpdateCB->AllocationSize.LowPart;
1582                 setAttr.length.HighPart = UpdateCB->AllocationSize.HighPart;
1583                 lock_ReleaseWrite(&scp->rw);
1584                 bScpLocked = FALSE;
1585                 code = cm_SetAttr(scp, &setAttr, userp, &req);
1586                 if (code)
1587                     goto on_error;
1588                 setAttr.mask = 0;
1589             }
1590         }
1591
1592         if (!bScpLocked) {
1593             lock_ObtainWrite(&scp->rw);
1594             bScpLocked = TRUE;
1595         }
1596         if ((scp->unixModeBits & 0200) && (UpdateCB->FileAttributes & FILE_ATTRIBUTE_READONLY)) {
1597             setAttr.mask |= CM_ATTRMASK_UNIXMODEBITS;
1598             setAttr.unixModeBits = scp->unixModeBits & ~0222;
1599         } else if (!(scp->unixModeBits & 0200) && !(UpdateCB->FileAttributes & FILE_ATTRIBUTE_READONLY)) {
1600             setAttr.mask |= CM_ATTRMASK_UNIXMODEBITS;
1601             setAttr.unixModeBits = scp->unixModeBits | 0222;
1602         }
1603     }
1604
1605     if (UpdateCB->LastWriteTime.QuadPart) {
1606         ft.dwLowDateTime = UpdateCB->LastWriteTime.LowPart;
1607         ft.dwHighDateTime = UpdateCB->LastWriteTime.HighPart;
1608
1609         cm_UnixTimeFromLargeSearchTime(& clientModTime, &ft);
1610
1611         if (!bScpLocked) {
1612             lock_ObtainWrite(&scp->rw);
1613             bScpLocked = TRUE;
1614         }
1615         if (scp->clientModTime != clientModTime) {
1616             setAttr.mask |= CM_ATTRMASK_CLIENTMODTIME;
1617             setAttr.clientModTime = clientModTime;
1618         }
1619
1620         /* call setattr */
1621         if (setAttr.mask) {
1622             lock_ReleaseWrite(&scp->rw);
1623             bScpLocked = FALSE;
1624             code = cm_SetAttr(scp, &setAttr, userp, &req);
1625         } else
1626             code = 0;
1627     }
1628
1629   on_error:
1630     if (bScpLocked) {
1631         lock_ReleaseWrite(&scp->rw);
1632     }
1633
1634     if (code == 0) {
1635         DWORD dwRemaining = ResultBufferLength - sizeof( AFSFileUpdateResultCB) + sizeof( AFSDirEnumEntry);
1636
1637         pResultCB = (AFSFileUpdateResultCB *)(*ResultCB)->ResultData;
1638
1639         pResultCB->ParentDataVersion.QuadPart = dscp->dataVersion;
1640
1641         code = RDR_PopulateCurrentEntry(&pResultCB->DirEnum, dwRemaining,
1642                                         dscp, scp, userp, &req, NULL, NULL,
1643                                         RDR_POP_FOLLOW_MOUNTPOINTS | RDR_POP_EVALUATE_SYMLINKS,
1644                                         0, NULL, &dwRemaining);
1645         (*ResultCB)->ResultBufferLength = ResultBufferLength - dwRemaining;
1646         osi_Log0(afsd_logp, "RDR_UpdateFileEntry SUCCESS");
1647     } else {
1648         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1649         (*ResultCB)->ResultStatus = status;
1650         (*ResultCB)->ResultBufferLength = 0;
1651         osi_Log2(afsd_logp, "RDR_UpdateFileEntry FAILURE code=0x%x status=0x%x",
1652                   code, status);
1653     }
1654     cm_ReleaseSCache(scp);
1655     cm_ReleaseSCache(dscp);
1656
1657     return;
1658 }
1659
1660 void
1661 RDR_CleanupFileEntry( IN cm_user_t *userp,
1662                       IN AFSFileID FileId,
1663                       IN WCHAR *FileNameCounted,
1664                       IN DWORD FileNameLength,
1665                       IN AFSFileCleanupCB *CleanupCB,
1666                       IN BOOL bWow64,
1667                       IN BOOL bLastHandle,
1668                       IN BOOL bDeleteFile,
1669                       IN BOOL bUnlockFile,
1670                       IN DWORD ResultBufferLength,
1671                       IN OUT AFSCommResult **ResultCB)
1672 {
1673     AFSFileCleanupResultCB *pResultCB = NULL;
1674     size_t size = sizeof(AFSCommResult) + ResultBufferLength - 1;
1675     cm_fid_t            Fid;
1676     cm_fid_t            parentFid;
1677     afs_uint32          code = 0;
1678     afs_uint32          flags = 0;
1679     cm_attr_t           setAttr;
1680     cm_scache_t *       scp = NULL;
1681     cm_scache_t *       dscp = NULL;
1682     cm_req_t            req;
1683     time_t              clientModTime;
1684     FILETIME            ft;
1685     DWORD               status;
1686     BOOL                bScpLocked = FALSE;
1687     BOOL                bDscpLocked = FALSE;
1688     BOOL                bFlushFile = FALSE;
1689     cm_key_t            key;
1690
1691     RDR_InitReq(&req);
1692     if ( bWow64 )
1693         req.flags |= CM_REQ_WOW64;
1694     memset(&setAttr, 0, sizeof(cm_attr_t));
1695
1696     osi_Log4(afsd_logp, "RDR_CleanupFileEntry parent FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
1697               CleanupCB->ParentId.Cell, CleanupCB->ParentId.Volume,
1698               CleanupCB->ParentId.Vnode, CleanupCB->ParentId.Unique);
1699     osi_Log4(afsd_logp, "... object FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
1700               FileId.Cell, FileId.Volume,
1701               FileId.Vnode, FileId.Unique);
1702
1703     *ResultCB = (AFSCommResult *)malloc( size);
1704     if (!(*ResultCB)) {
1705         osi_Log0(afsd_logp, "RDR_CleanupFileEntry Out of Memory");
1706         return;
1707     }
1708
1709     memset( *ResultCB,
1710             '\0',
1711             size);
1712
1713     parentFid.cell   = CleanupCB->ParentId.Cell;
1714     parentFid.volume = CleanupCB->ParentId.Volume;
1715     parentFid.vnode  = CleanupCB->ParentId.Vnode;
1716     parentFid.unique = CleanupCB->ParentId.Unique;
1717     parentFid.hash   = CleanupCB->ParentId.Hash;
1718
1719     if (parentFid.cell) {
1720         code = cm_GetSCache(&parentFid, NULL, &dscp, userp, &req);
1721         if (code) {
1722             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1723             if ( status == STATUS_INVALID_HANDLE)
1724                 status = STATUS_OBJECT_PATH_INVALID;
1725             (*ResultCB)->ResultStatus = status;
1726             osi_Log2(afsd_logp, "RDR_CleanupFileEntry cm_GetSCache ParentFID failure code=0x%x status=0x%x",
1727                      code, status);
1728             return;
1729         }
1730
1731         lock_ObtainWrite(&dscp->rw);
1732         bDscpLocked = TRUE;
1733         code = cm_SyncOp(dscp, NULL, userp, &req, 0,
1734                          CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1735         if (code) {
1736             osi_Log2(afsd_logp, "RDR_CleanupFileEntry cm_SyncOp failure dscp=0x%p code=0x%x",
1737                     dscp, code);
1738             if (code)
1739                 goto on_error;
1740         }
1741
1742         cm_SyncOpDone(dscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1743         lock_ReleaseWrite(&dscp->rw);
1744         bDscpLocked = FALSE;
1745
1746         if (dscp->fileType != CM_SCACHETYPE_DIRECTORY) {
1747             (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
1748             cm_ReleaseSCache(dscp);
1749             osi_Log1(afsd_logp, "RDR_CleanupFileEntry Not a Directory dscp=0x%p",
1750                      dscp);
1751             if (code)
1752                 goto on_error;
1753         }
1754     }
1755
1756     Fid.cell   = FileId.Cell;
1757     Fid.volume = FileId.Volume;
1758     Fid.vnode  = FileId.Vnode;
1759     Fid.unique = FileId.Unique;
1760     Fid.hash   = FileId.Hash;
1761
1762     code = cm_GetSCache(&Fid, dscp ? &dscp->fid : NULL, &scp, userp, &req);
1763     if (code) {
1764         osi_Log1(afsd_logp, "RDR_CleanupFileEntry cm_GetSCache object FID failure code=0x%x",
1765                  code);
1766         goto on_error;
1767     }
1768
1769     lock_ObtainWrite(&scp->rw);
1770     bScpLocked = TRUE;
1771     code = cm_SyncOp(scp, NULL, userp, &req, 0,
1772                       CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_NEEDCALLBACK);
1773     if (code) {
1774         osi_Log2(afsd_logp, "RDR_CleanupFileEntry cm_SyncOp failure scp=0x%p code=0x%x",
1775                  scp, code);
1776         goto on_error;
1777     }
1778     cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1779
1780     if ((bLastHandle || bFlushFile) &&
1781         scp->redirBufCount > 0)
1782     {
1783         LARGE_INTEGER heldExtents;
1784         AFSFileExtentCB extentList[1024];
1785         DWORD extentCount = 0;
1786         cm_buf_t *srbp;
1787         time_t now;
1788
1789         time(&now);
1790         heldExtents.QuadPart = 0;
1791
1792         for ( srbp = redirq_to_cm_buf_t(scp->redirQueueT);
1793               srbp;
1794               srbp = redirq_to_cm_buf_t(osi_QPrev(&srbp->redirq)))
1795         {
1796             extentList[extentCount].Flags = 0;
1797             extentList[extentCount].Length = cm_data.blockSize;
1798             extentList[extentCount].FileOffset.QuadPart = srbp->offset.QuadPart;
1799             extentList[extentCount].CacheOffset.QuadPart = srbp->datap - RDR_extentBaseAddress;
1800             lock_ObtainWrite(&buf_globalLock);
1801             srbp->redirReleaseRequested = now;
1802             lock_ReleaseWrite(&buf_globalLock);
1803             extentCount++;
1804
1805             if (extentCount == 1024) {
1806                 lock_ReleaseWrite(&scp->rw);
1807                 code = RDR_RequestExtentRelease(&scp->fid, heldExtents, extentCount, extentList);
1808                 if (code) {
1809                     if (code == CM_ERROR_RETRY) {
1810                         /*
1811                          * The redirector either is not holding the extents or cannot let them
1812                          * go because they are otherwise in use.  At the moment, do nothing.
1813                          */
1814                     } else
1815                         break;
1816                 }
1817                 extentCount = 0;
1818                 bFlushFile = TRUE;
1819                 lock_ObtainWrite(&scp->rw);
1820             }
1821         }
1822
1823         if (code == 0 && extentCount > 0) {
1824             if (bScpLocked) {
1825                 lock_ReleaseWrite(&scp->rw);
1826                 bScpLocked = FALSE;
1827             }
1828             code = RDR_RequestExtentRelease(&scp->fid, heldExtents, extentCount, extentList);
1829             bFlushFile = TRUE;
1830         }
1831     }
1832
1833     /* No longer in use by redirector */
1834     if (!bScpLocked) {
1835         lock_ObtainWrite(&scp->rw);
1836         bScpLocked = TRUE;
1837     }
1838
1839     if (bLastHandle) {
1840         lock_AssertWrite(&scp->rw);
1841         scp->flags &= ~CM_SCACHEFLAG_RDR_IN_USE;
1842     }
1843
1844     if (bLastHandle || bFlushFile) {
1845         if (!bScpLocked) {
1846             lock_ObtainWrite(&scp->rw);
1847             bScpLocked = TRUE;
1848         }
1849         code = cm_SyncOp(scp, NULL, userp, &req, PRSFS_WRITE,
1850                           CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1851         if (code == 0) {
1852             if (bScpLocked) {
1853                 lock_ReleaseWrite(&scp->rw);
1854                 bScpLocked = FALSE;
1855             }
1856
1857             code = cm_FSync(scp, userp, &req, bScpLocked);
1858         }
1859         if (bLastHandle && code)
1860             goto on_error;
1861     }
1862
1863     if (bUnlockFile || bDeleteFile) {
1864         if (!bScpLocked) {
1865             lock_ObtainWrite(&scp->rw);
1866             bScpLocked = TRUE;
1867         }
1868         code = cm_SyncOp(scp, NULL, userp, &req, 0,
1869                           CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
1870         if (code) {
1871             osi_Log2(afsd_logp, "RDR_CleanupFileEntry cm_SyncOp (2) failure scp=0x%p code=0x%x",
1872                      scp, code);
1873             goto on_error;
1874         }
1875
1876         key = cm_GenerateKey(CM_SESSION_IFS, CleanupCB->ProcessId, 0);
1877
1878         /* the scp is now locked and current */
1879         code = cm_UnlockByKey(scp, key,
1880                               bDeleteFile ? CM_UNLOCK_FLAG_BY_FID : 0,
1881                               userp, &req);
1882
1883         cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
1884
1885         if (code)
1886             goto on_error;
1887     }
1888
1889     if (CleanupCB->ChangeTime.QuadPart) {
1890
1891         if (scp->fileType == CM_SCACHETYPE_FILE) {
1892             /* Do not set length and other attributes at the same time */
1893             if (scp->length.QuadPart != CleanupCB->AllocationSize.QuadPart) {
1894                 osi_Log2(afsd_logp, "RDR_CleanupFileEntry Length Change 0x%x -> 0x%x",
1895                           (afs_uint32)scp->length.QuadPart, (afs_uint32)CleanupCB->AllocationSize.QuadPart);
1896                 setAttr.mask |= CM_ATTRMASK_LENGTH;
1897                 setAttr.length.LowPart = CleanupCB->AllocationSize.LowPart;
1898                 setAttr.length.HighPart = CleanupCB->AllocationSize.HighPart;
1899
1900                 if (bScpLocked) {
1901                     lock_ReleaseWrite(&scp->rw);
1902                     bScpLocked = FALSE;
1903                 }
1904                 code = cm_SetAttr(scp, &setAttr, userp, &req);
1905                 if (code)
1906                     goto on_error;
1907                 setAttr.mask = 0;
1908             }
1909         }
1910
1911         if (!bScpLocked) {
1912             lock_ObtainWrite(&scp->rw);
1913             bScpLocked = TRUE;
1914         }
1915
1916         if ((scp->unixModeBits & 0200) && (CleanupCB->FileAttributes & FILE_ATTRIBUTE_READONLY)) {
1917             setAttr.mask |= CM_ATTRMASK_UNIXMODEBITS;
1918             setAttr.unixModeBits = scp->unixModeBits & ~0222;
1919         } else if (!(scp->unixModeBits & 0200) && !(CleanupCB->FileAttributes & FILE_ATTRIBUTE_READONLY)) {
1920             setAttr.mask |= CM_ATTRMASK_UNIXMODEBITS;
1921             setAttr.unixModeBits = scp->unixModeBits | 0222;
1922         }
1923     }
1924
1925     if (CleanupCB->LastWriteTime.QuadPart) {
1926         ft.dwLowDateTime = CleanupCB->LastWriteTime.LowPart;
1927         ft.dwHighDateTime = CleanupCB->LastWriteTime.HighPart;
1928
1929         cm_UnixTimeFromLargeSearchTime(&clientModTime, &ft);
1930         if (scp->clientModTime != clientModTime) {
1931             setAttr.mask |= CM_ATTRMASK_CLIENTMODTIME;
1932             setAttr.clientModTime = clientModTime;
1933         }
1934     }
1935
1936     /* call setattr */
1937     if (setAttr.mask) {
1938         lock_ReleaseWrite(&scp->rw);
1939         bScpLocked = FALSE;
1940         code = cm_SetAttr(scp, &setAttr, userp, &req);
1941     } else
1942         code = 0;
1943
1944     /* Now drop the lock enforcing the share access */
1945     if ( CleanupCB->FileAccess != AFS_FILE_ACCESS_NOLOCK) {
1946         unsigned int sLockType;
1947         LARGE_INTEGER LOffset, LLength;
1948
1949         if (CleanupCB->FileAccess == AFS_FILE_ACCESS_SHARED)
1950             sLockType = LOCKING_ANDX_SHARED_LOCK;
1951         else
1952             sLockType = 0;
1953
1954         key = cm_GenerateKey(CM_SESSION_IFS, SMB_FID_QLOCK_PID, CleanupCB->Identifier);
1955
1956         LOffset.HighPart = SMB_FID_QLOCK_HIGH;
1957         LOffset.LowPart = SMB_FID_QLOCK_LOW;
1958         LLength.HighPart = 0;
1959         LLength.LowPart = SMB_FID_QLOCK_LENGTH;
1960
1961         if (!bScpLocked) {
1962             lock_ObtainWrite(&scp->rw);
1963             bScpLocked = TRUE;
1964         }
1965
1966         code = cm_SyncOp(scp, NULL, userp, &req, 0, CM_SCACHESYNC_LOCK);
1967         if (code == 0)
1968         {
1969             code = cm_Unlock(scp, sLockType, LOffset, LLength, key, 0, userp, &req);
1970
1971             cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_LOCK);
1972
1973             if (code == CM_ERROR_RANGE_NOT_LOCKED)
1974             {
1975                 osi_Log3(afsd_logp, "RDR_CleanupFileEntry Range Not Locked -- FileAccess 0x%x ProcessId 0x%x HandleId 0x%x",
1976                          CleanupCB->FileAccess, CleanupCB->ProcessId, CleanupCB->Identifier);
1977
1978             }
1979         }
1980     }
1981
1982   on_error:
1983     if (bDscpLocked)
1984         lock_ReleaseWrite(&dscp->rw);
1985     if (bScpLocked)
1986         lock_ReleaseWrite(&scp->rw);
1987
1988     if (code == 0 && dscp && bDeleteFile) {
1989         WCHAR FileName[260];
1990
1991         StringCchCopyNW(FileName, 260, FileNameCounted, FileNameLength / sizeof(WCHAR));
1992
1993         if (scp->fileType == CM_SCACHETYPE_DIRECTORY)
1994             code = cm_RemoveDir(dscp, NULL, FileName, userp, &req);
1995         else
1996             code = cm_Unlink(dscp, NULL, FileName, userp, &req);
1997     }
1998
1999     if (code == 0)
2000         if ( ResultBufferLength >=  sizeof( AFSFileCleanupResultCB))
2001         {
2002             (*ResultCB)->ResultBufferLength = sizeof( AFSFileCleanupResultCB);
2003             pResultCB = (AFSFileCleanupResultCB *)&(*ResultCB)->ResultData;
2004             pResultCB->ParentDataVersion.QuadPart = dscp ? dscp->dataVersion : 0;
2005         } else {
2006             (*ResultCB)->ResultBufferLength = 0;
2007         }
2008
2009         (*ResultCB)->ResultStatus = 0;
2010         osi_Log0(afsd_logp, "RDR_CleanupFileEntry SUCCESS");
2011     } else {
2012         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2013         (*ResultCB)->ResultStatus = status;
2014         osi_Log2(afsd_logp, "RDR_CleanupFileEntry FAILURE code=0x%x status=0x%x",
2015                   code, status);
2016     }
2017
2018     if (scp)
2019         cm_ReleaseSCache(scp);
2020     if (dscp)
2021         cm_ReleaseSCache(dscp);
2022
2023     return;
2024 }
2025
2026 void
2027 RDR_DeleteFileEntry( IN cm_user_t *userp,
2028                      IN AFSFileID ParentId,
2029                      IN ULONGLONG ProcessId,
2030                      IN WCHAR *FileNameCounted,
2031                      IN DWORD FileNameLength,
2032                      IN BOOL bWow64,
2033                      IN BOOL bCheckOnly,
2034                      IN DWORD ResultBufferLength,
2035                      IN OUT AFSCommResult **ResultCB)
2036 {
2037
2038     AFSFileDeleteResultCB *pResultCB = NULL;
2039     size_t size = sizeof(AFSCommResult) + ResultBufferLength - 1;
2040     cm_fid_t            parentFid;
2041     afs_uint32          code;
2042     cm_scache_t *       dscp = NULL;
2043     cm_scache_t *       scp = NULL;
2044     afs_uint32          flags = 0;
2045     cm_attr_t           setAttr;
2046     cm_req_t            req;
2047     DWORD               status;
2048     wchar_t             FileName[260];
2049     cm_key_t            key;
2050
2051     StringCchCopyNW(FileName, 260, FileNameCounted, FileNameLength / sizeof(WCHAR));
2052
2053     osi_Log4(afsd_logp, "RDR_DeleteFileEntry parent FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
2054               ParentId.Cell,  ParentId.Volume,
2055               ParentId.Vnode, ParentId.Unique);
2056     osi_Log2(afsd_logp, "... name=%S checkOnly=%x",
2057              osi_LogSaveStringW(afsd_logp, FileName),
2058              bCheckOnly);
2059
2060     RDR_InitReq(&req);
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, NULL, &dscp, userp, &req);
2082     if (code) {
2083         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2084         if ( status == STATUS_INVALID_HANDLE)
2085             status = STATUS_OBJECT_PATH_INVALID;
2086         (*ResultCB)->ResultStatus = status;
2087         osi_Log2(afsd_logp, "RDR_DeleteFileEntry cm_GetSCache ParentFID failure code=0x%x status=0x%x",
2088                   code, status);
2089         return;
2090     }
2091
2092     lock_ObtainWrite(&dscp->rw);
2093
2094     code = cm_SyncOp(dscp, NULL, userp, &req, 0,
2095                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2096     if (code) {
2097         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2098         (*ResultCB)->ResultStatus = status;
2099         (*ResultCB)->ResultBufferLength = 0;
2100         lock_ReleaseWrite(&dscp->rw);
2101         cm_ReleaseSCache(dscp);
2102         osi_Log3(afsd_logp, "RDR_DeleteFileEntry cm_SyncOp failure dscp=0x%p code=0x%x status=0x%x",
2103                  dscp, code, status);
2104         return;
2105     }
2106
2107     cm_SyncOpDone(dscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2108     lock_ReleaseWrite(&dscp->rw);
2109
2110     if (dscp->fileType != CM_SCACHETYPE_DIRECTORY) {
2111         (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
2112         cm_ReleaseSCache(dscp);
2113         osi_Log1(afsd_logp, "RDR_DeleteFileEntry Not a Directory dscp=0x%p",
2114                  dscp);
2115         return;
2116     }
2117
2118     code = cm_Lookup(dscp, FileName, 0, userp, &req, &scp);
2119     if (code) {
2120         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2121         (*ResultCB)->ResultStatus = status;
2122         (*ResultCB)->ResultBufferLength = 0;
2123         cm_ReleaseSCache(dscp);
2124         osi_Log2(afsd_logp, "RDR_DeleteFileEntry cm_Lookup failure code=0x%x status=0x%x",
2125                  code, status);
2126         return;
2127     }
2128
2129     lock_ObtainWrite(&scp->rw);
2130     code = cm_SyncOp(scp, NULL, userp, &req, PRSFS_DELETE,
2131                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2132     if (code) {
2133         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2134         (*ResultCB)->ResultStatus = status;
2135         (*ResultCB)->ResultBufferLength = 0;
2136         lock_ReleaseWrite(&scp->rw);
2137         cm_ReleaseSCache(scp);
2138         cm_ReleaseSCache(dscp);
2139         osi_Log3(afsd_logp, "RDR_DeleteFileEntry cm_SyncOp failure scp=0x%p code=0x%x status=0x%x",
2140                  scp, code, status);
2141         return;
2142     }
2143
2144     if (!bCheckOnly) {
2145         /* Drop all locks since the file is being deleted */
2146         code = cm_SyncOp(scp, NULL, userp, &req, 0,
2147                          CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
2148         if (code) {
2149             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2150             (*ResultCB)->ResultStatus = status;
2151             (*ResultCB)->ResultBufferLength = 0;
2152             lock_ReleaseWrite(&scp->rw);
2153             cm_ReleaseSCache(scp);
2154             cm_ReleaseSCache(dscp);
2155             osi_Log3(afsd_logp, "RDR_DeleteFileEntry cm_SyncOp Lock failure scp=0x%p code=0x%x status=0x%x",
2156                      scp, code, status);
2157         }
2158
2159         /* the scp is now locked and current */
2160         key = cm_GenerateKey(CM_SESSION_IFS, ProcessId, 0);
2161
2162         code = cm_UnlockByKey(scp, key,
2163                               CM_UNLOCK_FLAG_BY_FID,
2164                               userp, &req);
2165
2166         cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
2167         lock_ReleaseWrite(&scp->rw);
2168
2169         if (scp->fileType == CM_SCACHETYPE_DIRECTORY)
2170             code = cm_RemoveDir(dscp, NULL, FileName, userp, &req);
2171         else
2172             code = cm_Unlink(dscp, NULL, FileName, userp, &req);
2173     } else {
2174         lock_ReleaseWrite(&scp->rw);
2175     }
2176
2177     if (code == 0) {
2178         (*ResultCB)->ResultStatus = 0;  // We will be able to fit all the data in here
2179
2180         (*ResultCB)->ResultBufferLength = sizeof( AFSFileDeleteResultCB);
2181
2182         pResultCB = (AFSFileDeleteResultCB *)(*ResultCB)->ResultData;
2183
2184         pResultCB->ParentDataVersion.QuadPart = dscp->dataVersion;
2185         osi_Log0(afsd_logp, "RDR_DeleteFileEntry SUCCESS");
2186     } else {
2187         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2188         (*ResultCB)->ResultStatus = status;
2189         (*ResultCB)->ResultBufferLength = 0;
2190         osi_Log2(afsd_logp, "RDR_DeleteFileEntry FAILURE code=0x%x status=0x%x",
2191                   code, status);
2192     }
2193
2194     cm_ReleaseSCache(dscp);
2195     cm_ReleaseSCache(scp);
2196
2197     return;
2198 }
2199
2200 void
2201 RDR_RenameFileEntry( IN cm_user_t *userp,
2202                      IN WCHAR    *SourceFileNameCounted,
2203                      IN DWORD     SourceFileNameLength,
2204                      IN AFSFileID SourceFileId,
2205                      IN AFSFileRenameCB *pRenameCB,
2206                      IN BOOL bWow64,
2207                      IN DWORD ResultBufferLength,
2208                      IN OUT AFSCommResult **ResultCB)
2209 {
2210
2211     AFSFileRenameResultCB *pResultCB = NULL;
2212     size_t size = sizeof(AFSCommResult) + ResultBufferLength - 1;
2213     AFSFileID              SourceParentId   = pRenameCB->SourceParentId;
2214     AFSFileID              TargetParentId   = pRenameCB->TargetParentId;
2215     WCHAR *                TargetFileNameCounted = pRenameCB->TargetName;
2216     DWORD                  TargetFileNameLength = pRenameCB->TargetNameLength;
2217     cm_fid_t               SourceParentFid;
2218     cm_fid_t               TargetParentFid;
2219     cm_fid_t               SourceFid;
2220     cm_fid_t               OrigTargetFid = {0,0,0,0,0};
2221     cm_fid_t               TargetFid;
2222     cm_scache_t *          oldDscp;
2223     cm_scache_t *          newDscp;
2224     cm_dirOp_t dirop;
2225     wchar_t                shortName[13];
2226     wchar_t                SourceFileName[260];
2227     wchar_t                TargetFileName[260];
2228     cm_dirFid_t            dfid;
2229     cm_req_t               req;
2230     afs_uint32             code;
2231     DWORD                  status;
2232
2233     RDR_InitReq(&req);
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, NULL, &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, NULL, &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, &newDscp->fid, &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, NULL, &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, NULL, &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, NULL, &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, NULL, &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     int         deleted = 0;
3443     DWORD       status;
3444 #ifdef ODS_DEBUG
3445 #ifdef VALIDATE_CHECK_SUM
3446     char md5dbg[33], md5dbg2[33], md5dbg3[33];
3447 #endif
3448     char dbgstr[1024];
3449 #endif
3450
3451     RDR_InitReq(&req);
3452     if ( bWow64 )
3453         req.flags |= CM_REQ_WOW64;
3454
3455     osi_Log4(afsd_logp, "RDR_ReleaseFileExtents File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
3456               FileId.Cell, FileId.Volume,
3457               FileId.Vnode, FileId.Unique);
3458
3459     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult));
3460     if (!(*ResultCB))
3461         return;
3462
3463     memset( *ResultCB,
3464             '\0',
3465             sizeof( AFSCommResult));
3466
3467     /* Process the release */
3468     Fid.cell = FileId.Cell;
3469     Fid.volume = FileId.Volume;
3470     Fid.vnode = FileId.Vnode;
3471     Fid.unique = FileId.Unique;
3472     Fid.hash = FileId.Hash;
3473
3474     code = cm_GetSCache(&Fid, NULL, &scp, userp, &req);
3475     if (code) {
3476         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
3477         (*ResultCB)->ResultStatus = status;
3478         osi_Log2(afsd_logp, "RDR_ReleaseFileExtents cm_GetSCache FID failure code=0x%x status=0x%x",
3479                   code, status);
3480     }
3481
3482     deleted = scp && (scp->flags & CM_SCACHEFLAG_DELETED);
3483
3484     /*
3485      * We do not stop processing as a result of being unable to find the cm_scache object.
3486      * If this occurs something really bad has happened since the cm_scache object must have
3487      * been recycled while extents were held by the redirector.  However, we will be resilient
3488      * and carry on without it.
3489      *
3490      * If the file is known to be deleted, there is no point attempting to ask the
3491      * file server about it or update the attributes.
3492      */
3493     if (scp && ReleaseExtentsCB->AllocationSize.QuadPart != scp->length.QuadPart &&
3494         !deleted)
3495     {
3496         cm_attr_t setAttr;
3497
3498         memset(&setAttr, 0, sizeof(cm_attr_t));
3499         lock_ObtainWrite(&scp->rw);
3500         if (ReleaseExtentsCB->AllocationSize.QuadPart != scp->length.QuadPart) {
3501
3502             osi_Log4(afsd_logp, "RDR_ReleaseFileExtents new length fid vol 0x%x vno 0x%x length 0x%x:%x",
3503                       scp->fid.volume, scp->fid.vnode,
3504                       ReleaseExtentsCB->AllocationSize.HighPart,
3505                       ReleaseExtentsCB->AllocationSize.LowPart);
3506
3507             setAttr.mask |= CM_ATTRMASK_LENGTH;
3508             setAttr.length.LowPart = ReleaseExtentsCB->AllocationSize.LowPart;
3509             setAttr.length.HighPart = ReleaseExtentsCB->AllocationSize.HighPart;
3510         }
3511         lock_ReleaseWrite(&scp->rw);
3512         if (setAttr.mask)
3513             code = cm_SetAttr(scp, &setAttr, userp, &req);
3514     }
3515
3516     for ( count = 0; count < ReleaseExtentsCB->ExtentCount; count++) {
3517         AFSFileExtentCB * pExtent = &ReleaseExtentsCB->FileExtents[count];
3518
3519         thyper.QuadPart = pExtent->FileOffset.QuadPart;
3520
3521         bufp = buf_Find(&Fid, &thyper);
3522         if (bufp) {
3523             if (pExtent->Flags & AFS_EXTENT_FLAG_UNKNOWN) {
3524                 if (!(bufp->qFlags & CM_BUF_QREDIR)) {
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; previously released",
3530                               pExtent->CacheOffset.HighPart,
3531                               pExtent->CacheOffset.LowPart);
3532                 } else {
3533                     osi_Log4(afsd_logp, "RDR_ReleaseFileExtents extent vol 0x%x vno 0x%x foffset 0x%x:%x",
3534                               Fid.volume, Fid.vnode,
3535                               pExtent->FileOffset.HighPart,
3536                               pExtent->FileOffset.LowPart);
3537                     osi_Log2(afsd_logp, "... coffset 0x%x:%x UNKNOWN to redirector; owned by redirector",
3538                               pExtent->CacheOffset.HighPart,
3539                               pExtent->CacheOffset.LowPart);
3540                 }
3541                 buf_Release(bufp);
3542                 continue;
3543             }
3544
3545             if (pExtent->Flags & AFS_EXTENT_FLAG_IN_USE) {
3546                 osi_Log4(afsd_logp, "RDR_ReleaseFileExtents extent vol 0x%x vno 0x%x foffset 0x%x:%x",
3547                           Fid.volume, Fid.vnode,
3548                           pExtent->FileOffset.HighPart,
3549                           pExtent->FileOffset.LowPart);
3550                 osi_Log2(afsd_logp, "... coffset 0x%x:%x IN_USE by file system",
3551                           pExtent->CacheOffset.HighPart,
3552                           pExtent->CacheOffset.LowPart);
3553
3554                 /* Move the buffer to the front of the queue */
3555                 lock_ObtainWrite(&buf_globalLock);
3556                 buf_MoveToHeadOfRedirQueue(scp, bufp);
3557                 lock_ReleaseWrite(&buf_globalLock);
3558                 buf_Release(bufp);
3559                 continue;
3560             }
3561
3562             if (bufp->datap - RDR_extentBaseAddress == pExtent->CacheOffset.QuadPart) {
3563                 if (!(bufp->qFlags & CM_BUF_QREDIR)) {
3564                     osi_Log4(afsd_logp, "RDR_ReleaseFileExtents extent vol 0x%x vno 0x%x foffset 0x%x:%x not held by file system",
3565                              Fid.volume, Fid.vnode, pExtent->FileOffset.HighPart,
3566                              pExtent->FileOffset.LowPart);
3567                     osi_Log2(afsd_logp, "... coffset 0x%x:%x",
3568                              pExtent->CacheOffset.HighPart,
3569                              pExtent->CacheOffset.LowPart);
3570                 } else {
3571                     osi_Log4(afsd_logp, "RDR_ReleaseFileExtents bufp 0x%p vno 0x%x foffset 0x%x:%x",
3572                               bufp, bufp->fid.vnode, pExtent->FileOffset.HighPart,
3573                               pExtent->FileOffset.LowPart);
3574                     osi_Log2(afsd_logp, "... coffset 0x%x:%x",
3575                              pExtent->CacheOffset.HighPart,
3576                              pExtent->CacheOffset.LowPart);
3577
3578                     if (pExtent->Flags || ReleaseExtentsCB->Flags) {
3579                         lock_ObtainMutex(&bufp->mx);
3580                         if ( (ReleaseExtentsCB->Flags & AFS_EXTENT_FLAG_RELEASE) ||
3581                              (pExtent->Flags & AFS_EXTENT_FLAG_RELEASE) )
3582                         {
3583                             if (bufp->qFlags & CM_BUF_QREDIR) {
3584                                 lock_ObtainWrite(&buf_globalLock);
3585                                 if (bufp->qFlags & CM_BUF_QREDIR) {
3586                                     buf_RemoveFromRedirQueue(scp, bufp);
3587                                     buf_ReleaseLocked(bufp, TRUE);
3588                                 }
3589                                 lock_ReleaseWrite(&buf_globalLock);
3590                             }
3591 #ifdef ODS_DEBUG
3592                             snprintf( dbgstr, 1024,
3593                                       "RDR_ReleaseFileExtents releasing: vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
3594                                       Fid.volume, Fid.vnode, Fid.unique,
3595                                       pExtent->FileOffset.HighPart,
3596                                       pExtent->FileOffset.LowPart,
3597                                       pExtent->CacheOffset.HighPart,
3598                                       pExtent->CacheOffset.LowPart);
3599                             OutputDebugStringA( dbgstr);
3600 #endif
3601                             released++;
3602                         } else {
3603 #ifdef ODS_DEBUG
3604                             snprintf( dbgstr, 1024,
3605                                       "RDR_ReleaseFileExtents not releasing: vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
3606                                       Fid.volume, Fid.vnode, Fid.unique,
3607                                       pExtent->FileOffset.HighPart,
3608                                       pExtent->FileOffset.LowPart,
3609                                       pExtent->CacheOffset.HighPart,
3610                                       pExtent->CacheOffset.LowPart);
3611                             OutputDebugStringA( dbgstr);
3612 #endif
3613                             osi_Log4( afsd_logp, "RDR_ReleaseFileExtents not releasing vol 0x%x vno 0x%x foffset 0x%x:%x",
3614                                       Fid.volume, Fid.vnode,
3615                                       pExtent->FileOffset.HighPart,
3616                                       pExtent->FileOffset.LowPart);
3617                             osi_Log2( afsd_logp, "... coffset 0x%x:%x",
3618                                       pExtent->CacheOffset.HighPart,
3619                                       pExtent->CacheOffset.LowPart);
3620                         }
3621
3622                         if ( (ReleaseExtentsCB->Flags & AFS_EXTENT_FLAG_DIRTY) ||
3623                              (pExtent->Flags & AFS_EXTENT_FLAG_DIRTY) )
3624                         {
3625 #ifdef VALIDATE_CHECK_SUM
3626 #ifdef ODS_DEBUG
3627                             HexCheckSum(md5dbg, sizeof(md5dbg), bufp->md5cksum);
3628 #endif
3629
3630                             /*
3631                              * if the saved checksum matches the checksum of the current state of the buffer
3632                              * then the buffer is the same as what was given to the kernel.
3633                              */
3634                             if ( buf_ValidateCheckSum(bufp) ) {
3635                                 buf_ComputeCheckSum(bufp);
3636
3637                                 if (pExtent->Flags & AFS_EXTENT_FLAG_MD5_SET)
3638                                 {
3639 #ifdef ODS_DEBUG
3640                                     HexCheckSum(md5dbg2, sizeof(md5dbg2), pExtent->MD5);
3641                                     HexCheckSum(md5dbg3, sizeof(md5dbg3), bufp->md5cksum);
3642 #endif
3643                                     if (memcmp(bufp->md5cksum, pExtent->MD5, 16))
3644                                     {
3645 #ifdef ODS_DEBUG
3646                                         snprintf( dbgstr, 1024,
3647                                                   "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",
3648                                                   md5dbg, md5dbg2,md5dbg3,
3649                                                   Fid.volume, Fid.vnode, Fid.unique,
3650                                                   pExtent->FileOffset.HighPart,
3651                                                   pExtent->FileOffset.LowPart,
3652                                                   pExtent->CacheOffset.HighPart,
3653                                                   pExtent->CacheOffset.LowPart);
3654                                         OutputDebugStringA( dbgstr);
3655 #endif
3656                                         osi_Log4( afsd_logp, "RDR_ReleaseFileExtents dirty flag set and checksums do not match! vol 0x%x vno 0x%x foffset 0x%x:%x",
3657                                                   Fid.volume, Fid.vnode,
3658                                                   pExtent->FileOffset.HighPart,
3659                                                   pExtent->FileOffset.LowPart);
3660                                         osi_Log2( afsd_logp, "... coffset 0x%x:%x",
3661                                                   pExtent->CacheOffset.HighPart,
3662                                                   pExtent->CacheOffset.LowPart);
3663                                         buf_SetDirty(bufp, &req, pExtent->DirtyOffset, pExtent->DirtyLength, userp);
3664                                         dirty++;
3665                                     } else {
3666 #ifdef ODS_DEBUG
3667                                         snprintf( dbgstr, 1024,
3668                                                   "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",
3669                                                   md5dbg, md5dbg2, md5dbg3,
3670                                                   Fid.volume, Fid.vnode, Fid.unique,
3671                                                   pExtent->FileOffset.HighPart,
3672                                                   pExtent->FileOffset.LowPart,
3673                                                   pExtent->CacheOffset.HighPart,
3674                                                   pExtent->CacheOffset.LowPart);
3675                                         OutputDebugStringA( dbgstr);
3676 #endif
3677                                         osi_Log4( afsd_logp, "RDR_ReleaseFileExtents dirty flag set but extent has not changed vol 0x%x vno 0x%x foffset 0x%x:%x",
3678                                                   Fid.volume, Fid.vnode,
3679                                                   pExtent->FileOffset.HighPart,
3680                                                   pExtent->FileOffset.LowPart);
3681                                         osi_Log2( afsd_logp, "... coffset 0x%x:%x",
3682                                                   pExtent->CacheOffset.HighPart,
3683                                                   pExtent->CacheOffset.LowPart);
3684                                     }
3685                                 } else {
3686 #ifdef ODS_DEBUG
3687                                         snprintf( dbgstr, 1024,
3688                                                   "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",
3689                                                   Fid.volume, Fid.vnode, Fid.unique,
3690                                                   pExtent->FileOffset.HighPart,
3691                                                   pExtent->FileOffset.LowPart,
3692                                                   pExtent->CacheOffset.HighPart,
3693                                                   pExtent->CacheOffset.LowPart);
3694                                         OutputDebugStringA( dbgstr);
3695 #endif
3696                                         osi_Log4( afsd_logp, "RDR_ReleaseFileExtents dirty flag set but extent has not changed vol 0x%x vno 0x%x foffset 0x%x:%x",
3697                                                   Fid.volume, Fid.vnode,
3698                                                   pExtent->FileOffset.HighPart,
3699                                                   pExtent->FileOffset.LowPart);
3700                                         osi_Log2( afsd_logp, "... coffset 0x%x:%x",
3701                                                   pExtent->CacheOffset.HighPart,
3702                                                   pExtent->CacheOffset.LowPart);
3703                                 }
3704                             } else {
3705                                 buf_ComputeCheckSum(bufp);
3706 #ifdef ODS_DEBUG
3707                                 if (pExtent->Flags & AFS_EXTENT_FLAG_MD5_SET)
3708                                 {
3709                                     HexCheckSum(md5dbg3, sizeof(md5dbg3), bufp->md5cksum);
3710                                     if (memcmp(bufp->md5cksum, pExtent->MD5, 16))
3711                                     {
3712                                         snprintf( dbgstr, 1024,
3713                                                   "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",
3714                                                   md5dbg, md5dbg2,md5dbg3,
3715                                                   Fid.volume, Fid.vnode, Fid.unique,
3716                                                   pExtent->FileOffset.HighPart,
3717                                                   pExtent->FileOffset.LowPart,
3718                                                   pExtent->CacheOffset.HighPart,
3719                                                   pExtent->CacheOffset.LowPart);
3720                                         OutputDebugStringA( dbgstr);
3721                                     } else {
3722                                         snprintf( dbgstr, 1024,
3723                                                   "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",
3724                                                   md5dbg, md5dbg2,md5dbg3,
3725                                                   Fid.volume, Fid.vnode, Fid.unique,
3726                                                   pExtent->FileOffset.HighPart,
3727                                                   pExtent->FileOffset.LowPart,
3728                                                   pExtent->CacheOffset.HighPart,
3729                                                   pExtent->CacheOffset.LowPart);
3730                                         OutputDebugStringA( dbgstr);
3731                                     }
3732                                 } else {
3733                                     snprintf( dbgstr, 1024,
3734                                               "RDR_ReleaseFileExtents dirty flag set: vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
3735                                               Fid.volume, Fid.vnode, Fid.unique,
3736                                               pExtent->FileOffset.HighPart,
3737                                               pExtent->FileOffset.LowPart,
3738                                               pExtent->CacheOffset.HighPart,
3739                                               pExtent->CacheOffset.LowPart);
3740                                     OutputDebugStringA( dbgstr);
3741                                 }
3742 #endif
3743                                 buf_SetDirty(bufp, &req, pExtent->DirtyOffset, pExtent->DirtyLength, userp);
3744                                 dirty++;
3745                             }
3746 #else /* !VALIDATE_CHECK_SUM */
3747                             buf_SetDirty(bufp, &req, pExtent->DirtyOffset, pExtent->DirtyLength, userp);
3748                             dirty++;
3749 #endif /* VALIDATE_CHECK_SUM */
3750                         }
3751 #ifdef VALIDATE_CHECK_SUM
3752                         else {
3753 #ifdef ODS_DEBUG
3754                             HexCheckSum(md5dbg, sizeof(md5dbg), bufp->md5cksum);
3755 #endif
3756                             if ( !buf_ValidateCheckSum(bufp) ) {
3757                                 buf_ComputeCheckSum(bufp);
3758 #ifdef ODS_DEBUG
3759                                 HexCheckSum(md5dbg3, sizeof(md5dbg2), bufp->md5cksum);
3760                                 snprintf( dbgstr, 1024,
3761                                           "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",
3762                                           md5dbg, md5dbg3,
3763                                           Fid.volume, Fid.vnode, Fid.unique,
3764                                           pExtent->FileOffset.HighPart,
3765                                           pExtent->FileOffset.LowPart,
3766                                           pExtent->CacheOffset.HighPart,
3767                                           pExtent->CacheOffset.LowPart);
3768                                 OutputDebugStringA( dbgstr);
3769 #endif
3770                                 osi_Log4( afsd_logp, "RDR_ReleaseFileExtents dirty flag not set but extent has changed vol 0x%x vno 0x%x foffset 0x%x:%x",
3771                                           Fid.volume, Fid.vnode,
3772                                           pExtent->FileOffset.HighPart,
3773                                           pExtent->FileOffset.LowPart);
3774                                 osi_Log2( afsd_logp, "... coffset 0x%x:%x",
3775                                           pExtent->CacheOffset.HighPart,
3776                                           pExtent->CacheOffset.LowPart);
3777                                 buf_SetDirty(bufp, &req, pExtent->DirtyOffset, pExtent->DirtyLength, userp);
3778                                 dirty++;
3779                             } else {
3780                                 buf_ComputeCheckSum(bufp);
3781 #ifdef ODS_DEBUG
3782                                 HexCheckSum(md5dbg3, sizeof(md5dbg2), bufp->md5cksum);
3783                                 snprintf( dbgstr, 1024,
3784                                           "RDR_ReleaseFileExtents dirty flag not set: vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
3785                                           Fid.volume, Fid.vnode, Fid.unique,
3786                                           pExtent->FileOffset.HighPart,
3787                                           pExtent->FileOffset.LowPart,
3788                                           pExtent->CacheOffset.HighPart,
3789                                           pExtent->CacheOffset.LowPart);
3790                                 OutputDebugStringA( dbgstr);
3791 #endif
3792                                 osi_Log4( afsd_logp, "RDR_ReleaseFileExtents dirty flag not set: vol 0x%x vno 0x%x foffset 0x%x:%x",
3793                                           Fid.volume, Fid.vnode,
3794                                           pExtent->FileOffset.HighPart,
3795                                           pExtent->FileOffset.LowPart);
3796                                 osi_Log2( afsd_logp, "... coffset 0x%x:%x",
3797                                           pExtent->CacheOffset.HighPart,
3798                                           pExtent->CacheOffset.LowPart);
3799                             }
3800                         }
3801 #endif /* VALIDATE_CHECK_SUM */
3802                         lock_ReleaseMutex(&bufp->mx);
3803                     }
3804                 }
3805             }
3806             else {
3807                 char * datap = RDR_extentBaseAddress + pExtent->CacheOffset.QuadPart;
3808                 cm_buf_t *wbp;
3809
3810                 for (wbp = cm_data.buf_allp; wbp; wbp = wbp->allp) {
3811                     if (wbp->datap == datap)
3812                         break;
3813                 }
3814
3815 #ifdef ODS_DEBUG
3816                 snprintf( dbgstr, 1024,
3817                           "RDR_ReleaseFileExtents non-matching extent vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
3818                           Fid.volume, Fid.vnode, Fid.unique,
3819                           pExtent->FileOffset.HighPart,
3820                           pExtent->FileOffset.LowPart,
3821                           pExtent->CacheOffset.HighPart,
3822                           pExtent->CacheOffset.LowPart);
3823                 OutputDebugStringA( dbgstr);
3824 #endif
3825                 osi_Log4( afsd_logp, "RDR_ReleaseFileExtents non-matching extent vol 0x%x vno 0x%x foffset 0x%x:%x",
3826                           Fid.volume, Fid.vnode,
3827                           pExtent->FileOffset.HighPart,
3828                           pExtent->FileOffset.LowPart);
3829                 osi_Log2( afsd_logp, "... coffset 0x%x:%x",
3830                           pExtent->CacheOffset.HighPart,
3831                           pExtent->CacheOffset.LowPart);
3832                 osi_Log5( afsd_logp, "... belongs to bp 0x%p vol 0x%x vno 0x%x foffset 0x%x:%x",
3833                           wbp, wbp->fid.volume, wbp->fid.vnode, wbp->offset.HighPart, wbp->offset.LowPart);
3834 #ifdef DEBUG
3835                 DebugBreak();
3836 #endif
3837             }
3838             buf_Release(bufp);
3839         }
3840         else {
3841             char * datap = RDR_extentBaseAddress + pExtent->CacheOffset.QuadPart;
3842             cm_buf_t *wbp;
3843
3844             for (wbp = cm_data.buf_allp; wbp; wbp = wbp->allp) {
3845                 if (wbp->datap == datap)
3846                     break;
3847             }
3848
3849 #ifdef ODS_DEBUG
3850             snprintf( dbgstr, 1024,
3851                       "RDR_ReleaseFileExtents unknown extent vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
3852                       Fid.volume, Fid.vnode, Fid.unique,
3853                       pExtent->FileOffset.HighPart,
3854                       pExtent->FileOffset.LowPart,
3855                       pExtent->CacheOffset.HighPart,
3856                       pExtent->CacheOffset.LowPart);
3857             OutputDebugStringA( dbgstr);
3858 #endif
3859             osi_Log4( afsd_logp, "RDR_ReleaseFileExtents unknown extent vol 0x%x vno 0x%x foffset 0x%x:%x",
3860                       Fid.volume, Fid.vnode,
3861                       pExtent->FileOffset.HighPart,
3862                       pExtent->FileOffset.LowPart);
3863             osi_Log2( afsd_logp, "... coffset 0x%x:%x",
3864                       pExtent->CacheOffset.HighPart,
3865                       pExtent->CacheOffset.LowPart);
3866             osi_Log5( afsd_logp, "... belongs to bp 0x%p vol 0x%x vno 0x%x foffset 0x%x:%x",
3867                       wbp, wbp->fid.volume, wbp->fid.vnode, wbp->offset.HighPart, wbp->offset.LowPart);
3868         }
3869     }
3870
3871     if (scp) {
3872         if (ReleaseExtentsCB->Flags & AFS_EXTENT_FLAG_FLUSH) {
3873             lock_ObtainWrite(&scp->rw);
3874             code = cm_SyncOp(scp, NULL, userp, &req, PRSFS_WRITE,
3875                              CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
3876             lock_ReleaseWrite(&scp->rw);
3877             if (code == 0)
3878                 code = cm_FSync(scp, userp, &req, FALSE);
3879         }
3880         else if (dirty) {
3881             osi_hyper_t offset = {0,0};
3882             afs_uint32  length = 0;
3883             afs_uint32  rights = 0;
3884
3885             lock_ObtainWrite(&scp->rw);
3886             code = cm_SyncOp(scp, NULL, userp, &req, PRSFS_WRITE,
3887                              CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
3888             lock_ReleaseWrite(&scp->rw);
3889             if (code == 0) {
3890                 /*
3891                  * there is at least one dirty extent on this file.  queue up background store
3892                  * requests for contiguous blocks
3893                  */
3894                 for ( count = 0; count < ReleaseExtentsCB->ExtentCount; count++) {
3895                     if (ReleaseExtentsCB->FileExtents[count].FileOffset.QuadPart == offset.QuadPart + length &&
3896                          length + cm_data.buf_blockSize <= cm_chunkSize)
3897                     {
3898                         length += cm_data.buf_blockSize;
3899                     } else {
3900                         if (!(offset.QuadPart == 0 && length == 0))
3901                             cm_QueueBKGRequest(scp, cm_BkgStore, offset.LowPart, offset.HighPart,
3902                                                 length, 0, userp, &req);
3903                         offset.QuadPart = ReleaseExtentsCB->FileExtents[count].FileOffset.QuadPart;
3904                         length = cm_data.buf_blockSize;
3905                     }
3906                 }
3907                 cm_QueueBKGRequest(scp, cm_BkgStore, offset.LowPart, offset.HighPart,
3908                                    length, 0, userp, &req);
3909             }
3910         }
3911         cm_ReleaseSCache(scp);
3912     }
3913
3914     osi_Log5(afsd_logp, "RDR_ReleaseFileExtents File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x Released %d",
3915               FileId.Cell, FileId.Volume,
3916               FileId.Vnode, FileId.Unique, released);
3917     if (code && code != CM_ERROR_WOULDBLOCK) {
3918         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
3919         (*ResultCB)->ResultStatus = status;
3920         osi_Log2(afsd_logp, "RDR_ReleaseFileExtents FAILURE code=0x%x status=0x%x",
3921                   code, status);
3922     } else {
3923         (*ResultCB)->ResultStatus = 0;
3924         osi_Log0(afsd_logp, "RDR_ReleaseFileExtents SUCCESS");
3925     }
3926     (*ResultCB)->ResultBufferLength = 0;
3927
3928     return;
3929 }
3930
3931 DWORD
3932 RDR_ProcessReleaseFileExtentsResult( IN AFSReleaseFileExtentsResultCB *ReleaseFileExtentsResultCB,
3933                                      IN DWORD ResultBufferLength)
3934 {
3935     afs_uint32  code = 0;
3936     cm_req_t    req;
3937     osi_hyper_t thyper;
3938     cm_buf_t    *bufp;
3939     unsigned int fileno, extentno, total_extents = 0;
3940     AFSReleaseFileExtentsResultFileCB *pNextFileCB;
3941 #ifdef ODS_DEBUG
3942 #ifdef VALIDATE_CHECK_SUM
3943     char md5dbg[33], md5dbg2[33], md5dbg3[33];
3944 #endif
3945     char dbgstr[1024];
3946 #endif
3947     RDR_InitReq(&req);
3948
3949     for ( fileno = 0, pNextFileCB = &ReleaseFileExtentsResultCB->Files[0];
3950           fileno < ReleaseFileExtentsResultCB->FileCount;
3951           fileno++ ) {
3952         AFSReleaseFileExtentsResultFileCB *pFileCB = pNextFileCB;
3953         cm_user_t       *userp = NULL;
3954         cm_fid_t         Fid;
3955         cm_scache_t *    scp = NULL;
3956         int              dirty = 0;
3957         int              released = 0;
3958         int              deleted = 0;
3959         char * p;
3960
3961         userp = RDR_UserFromAuthGroup( &pFileCB->AuthGroup);
3962
3963         osi_Log4(afsd_logp, "RDR_ProcessReleaseFileExtentsResult %d.%d.%d.%d",
3964                   pFileCB->FileId.Cell, pFileCB->FileId.Volume,
3965                   pFileCB->FileId.Vnode, pFileCB->FileId.Unique);
3966
3967         /* Process the release */
3968         Fid.cell = pFileCB->FileId.Cell;
3969         Fid.volume = pFileCB->FileId.Volume;
3970         Fid.vnode = pFileCB->FileId.Vnode;
3971         Fid.unique = pFileCB->FileId.Unique;
3972         Fid.hash = pFileCB->FileId.Hash;
3973
3974         if (Fid.cell == 0) {
3975             osi_Log4(afsd_logp, "RDR_ProcessReleaseFileExtentsResult Invalid FID %d.%d.%d.%d",
3976                      Fid.cell, Fid.volume, Fid.vnode, Fid.unique);
3977             code = CM_ERROR_INVAL;
3978             goto cleanup_file;
3979         }
3980
3981         code = cm_GetSCache(&Fid, NULL, &scp, userp, &req);
3982         if (code) {
3983             osi_Log1(afsd_logp, "RDR_ProcessReleaseFileExtentsResult cm_GetSCache FID failure code=0x%x",
3984                      code);
3985             /*
3986              * A failure to find the cm_scache object cannot prevent the service
3987              * from accepting the extents back from the redirector.
3988              */
3989         }
3990
3991         deleted = scp && (scp->flags & CM_SCACHEFLAG_DELETED);
3992
3993         /* if the scp was not found, do not perform the length check */
3994         if (scp && (pFileCB->AllocationSize.QuadPart != scp->length.QuadPart)) {
3995             cm_attr_t setAttr;
3996
3997             memset(&setAttr, 0, sizeof(cm_attr_t));
3998             lock_ObtainWrite(&scp->rw);
3999             if (pFileCB->AllocationSize.QuadPart != scp->length.QuadPart) {
4000                 osi_Log4(afsd_logp, "RDR_ReleaseFileExtentsResult length change vol 0x%x vno 0x%x length 0x%x:%x",
4001                           scp->fid.volume, scp->fid.vnode,
4002                           pFileCB->AllocationSize.HighPart,
4003                           pFileCB->AllocationSize.LowPart);
4004                 setAttr.mask |= CM_ATTRMASK_LENGTH;
4005                 setAttr.length.LowPart = pFileCB->AllocationSize.LowPart;
4006                 setAttr.length.HighPart = pFileCB->AllocationSize.HighPart;
4007             }
4008             lock_ReleaseWrite(&scp->rw);
4009             if (setAttr.mask)
4010                 code = cm_SetAttr(scp, &setAttr, userp, &req);
4011         }
4012
4013         for ( extentno = 0; extentno < pFileCB->ExtentCount; total_extents++, extentno++ ) {
4014             AFSFileExtentCB *pExtent = &pFileCB->FileExtents[extentno];
4015
4016             thyper.QuadPart = pExtent->FileOffset.QuadPart;
4017
4018             bufp = buf_Find(&Fid, &thyper);
4019             if (bufp) {
4020                 if (pExtent->Flags & AFS_EXTENT_FLAG_UNKNOWN) {
4021                     if (!(bufp->qFlags & CM_BUF_QREDIR)) {
4022                         osi_Log4(afsd_logp, "RDR_ReleaseFileExtentsResult extent vol 0x%x vno 0x%x foffset 0x%x:%x",
4023                                  Fid.volume, Fid.vnode,
4024                                  pExtent->FileOffset.HighPart,
4025                                  pExtent->FileOffset.LowPart);
4026                         osi_Log2(afsd_logp, "... coffset 0x%x:%x UNKNOWN to redirector; previously released",
4027                                  pExtent->CacheOffset.HighPart,
4028                                  pExtent->CacheOffset.LowPart);
4029                     } else {
4030                         osi_Log4(afsd_logp, "RDR_ReleaseFileExtentsResult extent vol 0x%x vno 0x%x foffset 0x%x:%x",
4031                                  Fid.volume, Fid.vnode,
4032                                  pExtent->FileOffset.HighPart,
4033                                  pExtent->FileOffset.LowPart);
4034                         osi_Log2(afsd_logp, "... coffset 0x%x:%x UNKNOWN to redirector; owned by redirector",
4035                                  pExtent->CacheOffset.HighPart,
4036                                  pExtent->CacheOffset.LowPart);
4037                     }
4038                     buf_Release(bufp);
4039                     continue;
4040                 }
4041
4042                 if (pExtent->Flags & AFS_EXTENT_FLAG_IN_USE) {
4043                     osi_Log4(afsd_logp, "RDR_ReleaseFileExtentsResult extent vol 0x%x vno 0x%x foffset 0x%x:%x",
4044                               Fid.volume, Fid.vnode,
4045                               pExtent->FileOffset.HighPart,
4046                               pExtent->FileOffset.LowPart);
4047                     osi_Log2(afsd_logp, "... coffset 0x%x:%x IN_USE by file system",
4048                               pExtent->CacheOffset.HighPart,
4049                               pExtent->CacheOffset.LowPart);
4050
4051                     /* Move the buffer to the front of the queue */
4052                     lock_ObtainWrite(&buf_globalLock);
4053                     buf_MoveToHeadOfRedirQueue(scp, bufp);
4054                     lock_ReleaseWrite(&buf_globalLock);
4055                     buf_Release(bufp);
4056                     continue;
4057                 }
4058
4059                 if (bufp->datap - RDR_extentBaseAddress == pExtent->CacheOffset.QuadPart) {
4060                     if (!(bufp->qFlags & CM_BUF_QREDIR)) {
4061                         osi_Log4(afsd_logp, "RDR_ReleaseFileExtentsResult extent vol 0x%x vno 0x%x foffset 0x%x:%x",
4062                                  Fid.volume, Fid.vnode,
4063                                  pExtent->FileOffset.HighPart,
4064                                  pExtent->FileOffset.LowPart);
4065                         osi_Log2(afsd_logp, "... coffset 0x%x:%x not held by file system",
4066                                  pExtent->CacheOffset.HighPart,
4067                                  pExtent->CacheOffset.LowPart);
4068 #ifdef ODS_DEBUG
4069                         snprintf(dbgstr, 1024,
4070                                   "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",
4071                                   ReleaseFileExtentsResultCB->Flags, pExtent->Flags,
4072                                   Fid.volume, Fid.vnode, Fid.unique,
4073                                   pExtent->FileOffset.HighPart,
4074                                   pExtent->FileOffset.LowPart,
4075                                   pExtent->CacheOffset.HighPart,
4076                                   pExtent->CacheOffset.LowPart);
4077                         OutputDebugStringA( dbgstr);
4078 #endif
4079                     } else {
4080                         osi_Log5(afsd_logp, "RDR_ProcessReleaseFileExtentsResult bufp 0x%p foffset 0x%x:%x coffset 0x%x:%x",
4081                                  bufp, pExtent->FileOffset.HighPart, pExtent->FileOffset.LowPart,
4082                                  pExtent->CacheOffset.HighPart, pExtent->CacheOffset.LowPart);
4083
4084                         if (pExtent->Flags || ReleaseFileExtentsResultCB->Flags) {
4085                             lock_ObtainMutex(&bufp->mx);
4086                             if ( (ReleaseFileExtentsResultCB->Flags & AFS_EXTENT_FLAG_RELEASE) ||
4087                                  (pExtent->Flags & AFS_EXTENT_FLAG_RELEASE) )
4088                             {
4089                                 if (bufp->qFlags & CM_BUF_QREDIR) {
4090                                     lock_ObtainWrite(&buf_globalLock);
4091                                     if (bufp->qFlags & CM_BUF_QREDIR) {
4092                                         buf_RemoveFromRedirQueue(scp, bufp);
4093                                         buf_ReleaseLocked(bufp, TRUE);
4094                                     }
4095                                     lock_ReleaseWrite(&buf_globalLock);
4096                                 }
4097
4098 #ifdef ODS_DEBUG
4099                                 snprintf(dbgstr, 1024,
4100                                           "RDR_ProcessReleaseFileExtentsResult extent released: vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
4101                                           Fid.volume, Fid.vnode, Fid.unique,
4102                                           pExtent->FileOffset.HighPart,
4103                                           pExtent->FileOffset.LowPart,
4104                                           pExtent->CacheOffset.HighPart,
4105                                           pExtent->CacheOffset.LowPart);
4106                                 OutputDebugStringA( dbgstr);
4107 #endif
4108
4109                                 released++;
4110                             } else {
4111                                 osi_Log4(afsd_logp, "RDR_ProcessReleaseFileExtentsResult not releasing vol 0x%x vno 0x%x foffset 0x%x:%x",
4112                                          Fid.volume, Fid.vnode,
4113                                          pExtent->FileOffset.HighPart,
4114                                          pExtent->FileOffset.LowPart);
4115                                 osi_Log2(afsd_logp, "... coffset 0x%x:%x",
4116                                          pExtent->CacheOffset.HighPart,
4117                                          pExtent->CacheOffset.LowPart);
4118 #ifdef ODS_DEBUG
4119                                 snprintf(dbgstr, 1024,
4120                                           "RDR_ProcessReleaseFileExtentsResult not released! vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
4121                                           Fid.volume, Fid.vnode, Fid.unique,
4122                                           pExtent->FileOffset.HighPart,
4123                                           pExtent->FileOffset.LowPart,
4124                                           pExtent->CacheOffset.HighPart,
4125                                           pExtent->CacheOffset.LowPart);
4126                                 OutputDebugStringA( dbgstr);
4127 #endif
4128                             }
4129
4130                             if ((ReleaseFileExtentsResultCB->Flags & AFS_EXTENT_FLAG_DIRTY) ||
4131                                 (pExtent->Flags & AFS_EXTENT_FLAG_DIRTY))
4132                             {
4133 #ifdef VALIDATE_CHECK_SUM
4134                                 if ( buf_ValidateCheckSum(bufp) ) {
4135 #ifdef ODS_DEBUG
4136                                     HexCheckSum(md5dbg, sizeof(md5dbg), bufp->md5cksum);
4137                                     if (ReleaseFileExtentsResultCB->Flags & AFS_EXTENT_FLAG_MD5_SET)
4138                                         HexCheckSum(md5dbg2, sizeof(md5dbg2), pExtent->MD5);
4139 #endif
4140                                     buf_ComputeCheckSum(bufp);
4141 #ifdef ODS_DEBUG
4142                                     HexCheckSum(md5dbg3, sizeof(md5dbg), bufp->md5cksum);
4143 #endif
4144                                     if (ReleaseFileExtentsResultCB->Flags & AFS_EXTENT_FLAG_MD5_SET)
4145                                     {
4146                                         if (memcmp(bufp->md5cksum, pExtent->MD5, 16))
4147                                         {
4148 #ifdef ODS_DEBUG
4149                                             snprintf(dbgstr, 1024,
4150                                                       "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",
4151                                                       md5dbg3, md5dbg2,
4152                                                       Fid.volume, Fid.vnode, Fid.unique,
4153                                                       pExtent->FileOffset.HighPart,
4154                                                       pExtent->FileOffset.LowPart,
4155                                                       pExtent->CacheOffset.HighPart,
4156                                                       pExtent->CacheOffset.LowPart);
4157                                             OutputDebugStringA( dbgstr);
4158 #endif
4159                                             osi_Log4(afsd_logp,
4160                                                       "RDR_ProcessReleaseFileExtentsResult dirty flag set and checksums do not match! vol 0x%x vno 0x%x foffset 0x%x:%x",
4161                                                       Fid.volume, Fid.vnode,
4162                                                       pExtent->FileOffset.HighPart,
4163                                                       pExtent->FileOffset.LowPart);
4164                                             osi_Log2(afsd_logp,
4165                                                       "... coffset 0x%x:%x",
4166                                                       pExtent->CacheOffset.HighPart,
4167                                                       pExtent->CacheOffset.LowPart);
4168
4169                                             if (!deleted) {
4170                                                 buf_SetDirty(bufp, &req, pExtent->DirtyOffset, pExtent->DirtyLength, userp);
4171                                                 dirty++;
4172                                             }
4173                                         } else {
4174 #ifdef ODS_DEBUG
4175                                             snprintf(dbgstr, 1024,
4176                                                       "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",
4177                                                       md5dbg, md5dbg2, md5dbg3,
4178                                                       Fid.volume, Fid.vnode, Fid.unique,
4179                                                       pExtent->FileOffset.HighPart,
4180                                                       pExtent->FileOffset.LowPart,
4181                                                       pExtent->CacheOffset.HighPart,
4182                                                       pExtent->CacheOffset.LowPart);
4183                                             OutputDebugStringA( dbgstr);
4184 #endif
4185                                             osi_Log4(afsd_logp,
4186                                                       "RDR_ProcessReleaseFileExtentsResult dirty flag set but extent has not changed vol 0x%x vno 0x%x foffset 0x%x:%x",
4187                                                       Fid.volume, Fid.vnode,
4188                                                       pExtent->FileOffset.HighPart,
4189                                                       pExtent->FileOffset.LowPart);
4190                                             osi_Log2(afsd_logp,
4191                                                       "... coffset 0x%x:%x",
4192                                                       pExtent->CacheOffset.HighPart,
4193                                                       pExtent->CacheOffset.LowPart);
4194                                         }
4195                                     }
4196                                 }
4197 #else /* !VALIDATE_CHECK_SUM */
4198                                 if (!deleted) {
4199                                     buf_SetDirty(bufp, &req, pExtent->DirtyOffset, pExtent->DirtyLength, userp);
4200                                     dirty++;
4201                                 }
4202 #ifdef ODS_DEBUG
4203                                 snprintf(dbgstr, 1024,
4204                                           "RDR_ProcessReleaseFileExtentsResult dirty! vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
4205                                           Fid.volume, Fid.vnode, Fid.unique,
4206                                           pExtent->FileOffset.HighPart,
4207                                           pExtent->FileOffset.LowPart,
4208                                           pExtent->CacheOffset.HighPart,
4209                                           pExtent->CacheOffset.LowPart);
4210                                 OutputDebugStringA( dbgstr);
4211 #endif
4212 #endif /* VALIDATE_CHECK_SUM */
4213                             }
4214 #ifdef VALIDATE_CHECK_SUM
4215                             else {
4216 #ifdef ODS_DEBUG
4217                                 HexCheckSum(md5dbg, sizeof(md5dbg), bufp->md5cksum);
4218 #endif
4219                                 if (!buf_ValidateCheckSum(bufp) ) {
4220                                     buf_ComputeCheckSum(bufp);
4221 #ifdef ODS_DEBUG
4222                                     HexCheckSum(md5dbg3, sizeof(md5dbg2), bufp->md5cksum);
4223                                     snprintf(dbgstr, 1024,
4224                                              "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",
4225                                              md5dbg, md5dbg3,
4226                                              Fid.volume, Fid.vnode, Fid.unique,
4227                                              pExtent->FileOffset.HighPart,
4228                                              pExtent->FileOffset.LowPart,
4229                                              pExtent->CacheOffset.HighPart,
4230                                              pExtent->CacheOffset.LowPart);
4231                                     OutputDebugStringA( dbgstr);
4232 #endif
4233                                     osi_Log4(afsd_logp, "RDR_ProcessReleaseFileExtentsResult dirty flag NOT set but extent has changed! vol 0x%x vno 0x%x foffset 0x%x:%x",
4234                                              Fid.volume, Fid.vnode,
4235                                              pExtent->FileOffset.HighPart,
4236                                              pExtent->FileOffset.LowPart);
4237                                     osi_Log2(afsd_logp, "... coffset 0x%x:%x",
4238                                              pExtent->CacheOffset.HighPart,
4239                                              pExtent->CacheOffset.LowPart);
4240 #ifdef DEBUG
4241                                     DebugBreak();
4242 #endif
4243                                     if (!deleted) {
4244                                         buf_SetDirty(bufp, &req, pExtent->DirtyOffset, pExtent->DirtyLength, userp);
4245                                         dirty++;
4246                                     }
4247                                 } else {
4248                                     buf_ComputeCheckSum(bufp);
4249 #ifdef ODS_DEBUG
4250                                     HexCheckSum(md5dbg3, sizeof(md5dbg2), bufp->md5cksum);
4251                                     snprintf(dbgstr, 1024,
4252                                              "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",
4253                                              md5dbg, md5dbg3,
4254                                              Fid.volume, Fid.vnode, Fid.unique,
4255                                              pExtent->FileOffset.HighPart,
4256                                              pExtent->FileOffset.LowPart,
4257                                              pExtent->CacheOffset.HighPart,
4258                                              pExtent->CacheOffset.LowPart);
4259                                     OutputDebugStringA( dbgstr);
4260 #endif
4261                                 }
4262                             }
4263 #endif /* VALIDATE_CHECK_SUM */
4264                             lock_ReleaseMutex(&bufp->mx);
4265                         }
4266                     }
4267                 } else {
4268                     /* CacheOffset doesn't match bufp->datap */
4269                     char * datap = RDR_extentBaseAddress + pExtent->CacheOffset.QuadPart;
4270                     cm_buf_t *wbp;
4271
4272                     for (wbp = cm_data.buf_allp; wbp; wbp = wbp->allp) {
4273                         if (wbp->datap == datap)
4274                             break;
4275                     }
4276
4277 #ifdef ODS_DEBUG
4278                     snprintf(dbgstr, 1024,
4279                              "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",
4280                              Fid.volume, Fid.vnode, Fid.unique,
4281                              pExtent->FileOffset.HighPart,
4282                              pExtent->FileOffset.LowPart,
4283                              pExtent->CacheOffset.HighPart,
4284                              pExtent->CacheOffset.LowPart,
4285                              pExtent->Flags);
4286                     OutputDebugStringA( dbgstr);
4287 #endif
4288                     osi_Log4(afsd_logp, "RDR_ProcessReleaseFileExtentsResult non-matching extent vol 0x%x vno 0x%x foffset 0x%x:%x",
4289                              Fid.volume, Fid.vnode,
4290                              pExtent->FileOffset.HighPart,
4291                              pExtent->FileOffset.LowPart);
4292                     osi_Log3(afsd_logp, "... coffset 0x%x:%x flags 0x%x",
4293                              pExtent->CacheOffset.HighPart,
4294                              pExtent->CacheOffset.LowPart,
4295                              pExtent->Flags);
4296                     if (wbp)
4297                         osi_Log5(afsd_logp, "... coffset belongs to bp 0x%p vol 0x%x vno 0x%x foffset 0x%x:%x",
4298                                  wbp, wbp->fid.volume, wbp->fid.vnode, wbp->offset.HighPart, wbp->offset.LowPart);
4299                     else
4300                         osi_Log0(afsd_logp, "... coffset cannot be found");
4301 #ifdef DEBUG
4302                     DebugBreak();
4303 #endif
4304                 }
4305                 buf_Release(bufp);
4306             } else {
4307                 if (pExtent->Flags & AFS_EXTENT_FLAG_UNKNOWN) {
4308                     osi_Log4(afsd_logp, "RDR_ReleaseFileExtentsResult extent vol 0x%x vno 0x%x foffset 0x%x:%x",
4309                              Fid.volume, Fid.vnode, pExtent->FileOffset.HighPart,
4310                              pExtent->FileOffset.LowPart);
4311                     osi_Log2(afsd_logp, "... coffset 0x%x:%x UNKNOWN to redirector; cm_buf not found -- recycled?",
4312                              pExtent->CacheOffset.HighPart,
4313                              pExtent->CacheOffset.LowPart);
4314
4315                     continue;
4316                 }
4317
4318 #ifdef ODS_DEBUG
4319                 snprintf(dbgstr, 1024,
4320                          "RDR_ProcessReleaseFileExtentsResult buf not found vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
4321                          Fid.volume, Fid.vnode, Fid.unique,
4322                          pExtent->FileOffset.HighPart,
4323                          pExtent->FileOffset.LowPart,
4324                          pExtent->CacheOffset.HighPart,
4325                          pExtent->CacheOffset.LowPart);
4326                 OutputDebugStringA( dbgstr);
4327 #endif
4328                 osi_Log4(afsd_logp, "RDR_ProcessReleaseFileExtentsResult buf not found vol 0x%x vno 0x%x foffset 0x%x:%x",
4329                          Fid.volume, Fid.vnode,
4330                          pExtent->FileOffset.HighPart,
4331                          pExtent->FileOffset.LowPart);
4332                 osi_Log2(afsd_logp, "... coffset 0x%x:%x",
4333                          pExtent->CacheOffset.HighPart,
4334                          pExtent->CacheOffset.LowPart);
4335             }
4336         }
4337
4338         if (scp && dirty) {
4339             osi_hyper_t offset = {0,0};
4340             afs_uint32  length = 0;
4341
4342             /*
4343              * there is at least one dirty extent on this file.  queue up background store
4344              * requests for contiguous blocks
4345              */
4346             for ( extentno = 0; extentno < pFileCB->ExtentCount; extentno++ ) {
4347                 AFSFileExtentCB *pExtent = &pFileCB->FileExtents[extentno];
4348                 if (pExtent->FileOffset.QuadPart == offset.QuadPart + length &&
4349                      length < cm_chunkSize) {
4350                     length += cm_data.buf_blockSize;
4351                 } else {
4352                     if (!(offset.QuadPart == 0 && length == 0))
4353                         cm_QueueBKGRequest(scp, cm_BkgStore, offset.LowPart, offset.HighPart,
4354                                             length, 0, userp, &req);
4355                     offset.QuadPart = pExtent->FileOffset.QuadPart;
4356                     length = cm_data.buf_blockSize;
4357                 }
4358             }
4359             cm_QueueBKGRequest(scp, cm_BkgStore, offset.LowPart, offset.HighPart,
4360                                 length, 0, userp, &req);
4361         }
4362
4363         osi_Log5(afsd_logp, "RDR_ProcessReleaseFileExtentsResult File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x Released %d",
4364                   Fid.cell, Fid.volume, Fid.vnode, Fid.unique, released);
4365
4366       cleanup_file:
4367         if (userp)
4368             cm_ReleaseUser(userp);
4369         if (scp)
4370             cm_ReleaseSCache(scp);
4371
4372         p = (char *)pFileCB;
4373         p += sizeof(AFSReleaseFileExtentsResultFileCB);
4374         p += sizeof(AFSFileExtentCB) * (pFileCB->ExtentCount - 1);
4375         pNextFileCB = (AFSReleaseFileExtentsResultFileCB *)p;
4376     }
4377
4378     if (total_extents == 0) {
4379         osi_Log0(afsd_logp, "RDR_ProcessReleaseFileExtentsResult is empty");
4380         code = CM_ERROR_RETRY;
4381     }
4382
4383     if (code)
4384         osi_Log1(afsd_logp, "RDR_ProcessReleaseFileExtentsResult FAILURE code=0x%x", code);
4385     else
4386         osi_Log1(afsd_logp, "RDR_ProcessReleaseFileExtentsResult DONE code=0x%x", code);
4387
4388     return code;
4389 }
4390
4391 DWORD
4392 RDR_ReleaseFailedSetFileExtents( IN cm_user_t *userp,
4393                                  IN AFSSetFileExtentsCB *SetFileExtentsResultCB,
4394                                  IN DWORD ResultBufferLength)
4395 {
4396     afs_uint32  code = 0;
4397     cm_req_t    req;
4398     unsigned int extentno;
4399     cm_fid_t         Fid;
4400     cm_scache_t *    scp = NULL;
4401     int              dirty = 0;
4402
4403     RDR_InitReq(&req);
4404
4405     osi_Log4(afsd_logp, "RDR_ReleaseFailedSetFileExtents %d.%d.%d.%d",
4406               SetFileExtentsResultCB->FileId.Cell, SetFileExtentsResultCB->FileId.Volume,
4407               SetFileExtentsResultCB->FileId.Vnode, SetFileExtentsResultCB->FileId.Unique);
4408
4409     /* Process the release */
4410     Fid.cell = SetFileExtentsResultCB->FileId.Cell;
4411     Fid.volume = SetFileExtentsResultCB->FileId.Volume;
4412     Fid.vnode = SetFileExtentsResultCB->FileId.Vnode;
4413     Fid.unique = SetFileExtentsResultCB->FileId.Unique;
4414     Fid.hash = SetFileExtentsResultCB->FileId.Hash;
4415
4416     if (Fid.cell == 0) {
4417         osi_Log4(afsd_logp, "RDR_ReleaseFailedSetFile Invalid FID %d.%d.%d.%d",
4418                   Fid.cell, Fid.volume, Fid.vnode, Fid.unique);
4419         code = CM_ERROR_INVAL;
4420         goto cleanup_file;
4421     }
4422
4423     code = cm_GetSCache(&Fid, NULL, &scp, userp, &req);
4424     if (code) {
4425         osi_Log1(afsd_logp, "RDR_ReleaseFailedSetFileExtents cm_GetSCache FID failure code=0x%x",
4426                   code);
4427         /* Failure to find the cm_scache object cannot block return of the extents */
4428     }
4429
4430     for ( extentno = 0; extentno < SetFileExtentsResultCB->ExtentCount; extentno++ ) {
4431         osi_hyper_t thyper;
4432         cm_buf_t    *bufp;
4433         AFSFileExtentCB *pExtent = &SetFileExtentsResultCB->FileExtents[extentno];
4434
4435         thyper.QuadPart = pExtent->FileOffset.QuadPart;
4436
4437         bufp = buf_Find(&Fid, &thyper);
4438         if (bufp) {
4439             osi_Log5(afsd_logp, "RDR_ReleaseFailedSetFileExtents bufp 0x%p foffset 0x%x:%x coffset 0x%x:%x",
4440                       bufp, pExtent->FileOffset.HighPart, pExtent->FileOffset.LowPart,
4441                       pExtent->CacheOffset.HighPart, pExtent->CacheOffset.LowPart);
4442
4443             lock_ObtainMutex(&bufp->mx);
4444             if (bufp->qFlags & CM_BUF_QREDIR) {
4445                 lock_ObtainWrite(&buf_globalLock);
4446                 if (bufp->qFlags & CM_BUF_QREDIR) {
4447                     buf_RemoveFromRedirQueue(scp, bufp);
4448                     buf_ReleaseLocked(bufp, TRUE);
4449                 }
4450                 lock_ReleaseWrite(&buf_globalLock);
4451             }
4452             lock_ReleaseMutex(&bufp->mx);
4453             buf_Release(bufp);
4454         }
4455     }
4456
4457   cleanup_file:
4458     if (userp)
4459         cm_ReleaseUser(userp);
4460     if (scp)
4461         cm_ReleaseSCache(scp);
4462
4463     osi_Log1(afsd_logp, "RDR_ReleaseFailedSetFileExtents DONE code=0x%x", code);
4464     return code;
4465 }
4466
4467 void
4468 RDR_PioctlOpen( IN cm_user_t *userp,
4469                 IN AFSFileID  ParentId,
4470                 IN AFSPIOCtlOpenCloseRequestCB *pPioctlCB,
4471                 IN BOOL bWow64,
4472                 IN DWORD ResultBufferLength,
4473                 IN OUT AFSCommResult **ResultCB)
4474 {
4475     cm_fid_t    ParentFid;
4476     cm_fid_t    RootFid;
4477
4478     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult));
4479     if (!(*ResultCB))
4480         return;
4481
4482     memset( *ResultCB,
4483             '\0',
4484             sizeof( AFSCommResult));
4485
4486     /* Get the active directory */
4487     ParentFid.cell = ParentId.Cell;
4488     ParentFid.volume = ParentId.Volume;
4489     ParentFid.vnode = ParentId.Vnode;
4490     ParentFid.unique = ParentId.Unique;
4491     ParentFid.hash = ParentId.Hash;
4492
4493     /* Get the root directory */
4494     RootFid.cell = pPioctlCB->RootId.Cell;
4495     RootFid.volume = pPioctlCB->RootId.Volume;
4496     RootFid.vnode = pPioctlCB->RootId.Vnode;
4497     RootFid.unique = pPioctlCB->RootId.Unique;
4498     RootFid.hash = pPioctlCB->RootId.Hash;
4499
4500     /* Create the pioctl index */
4501     RDR_SetupIoctl(pPioctlCB->RequestId, &ParentFid, &RootFid, userp);
4502
4503     return;
4504 }
4505
4506
4507 void
4508 RDR_PioctlClose( IN cm_user_t *userp,
4509                  IN AFSFileID  ParentId,
4510                  IN AFSPIOCtlOpenCloseRequestCB *pPioctlCB,
4511                  IN BOOL bWow64,
4512                  IN DWORD ResultBufferLength,
4513                  IN OUT AFSCommResult **ResultCB)
4514 {
4515     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult));
4516     if (!(*ResultCB))
4517         return;
4518
4519     memset( *ResultCB,
4520             '\0',
4521             sizeof( AFSCommResult));
4522
4523     /* Cleanup the pioctl index */
4524     RDR_CleanupIoctl(pPioctlCB->RequestId);
4525
4526     return;
4527 }
4528
4529
4530 void
4531 RDR_PioctlWrite( IN cm_user_t *userp,
4532                  IN AFSFileID  ParentId,
4533                  IN AFSPIOCtlIORequestCB *pPioctlCB,
4534                  IN BOOL bWow64,
4535                  IN DWORD ResultBufferLength,
4536                  IN OUT AFSCommResult **ResultCB)
4537 {
4538     AFSPIOCtlIOResultCB *pResultCB;
4539     cm_scache_t *dscp = NULL;
4540     afs_uint32  code;
4541     cm_req_t    req;
4542     DWORD       status;
4543
4544     RDR_InitReq(&req);
4545     if ( bWow64 )
4546         req.flags |= CM_REQ_WOW64;
4547
4548     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult) + sizeof(AFSPIOCtlIOResultCB));
4549     if (!(*ResultCB))
4550         return;
4551
4552     memset( *ResultCB,
4553             '\0',
4554             sizeof( AFSCommResult) + sizeof(AFSPIOCtlIOResultCB));
4555
4556     pResultCB = (AFSPIOCtlIOResultCB *)(*ResultCB)->ResultData;
4557
4558     code = RDR_IoctlWrite(userp, pPioctlCB->RequestId, pPioctlCB->BufferLength, pPioctlCB->MappedBuffer, &req);
4559     if (code) {
4560         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
4561         (*ResultCB)->ResultStatus = status;
4562         return;
4563     }
4564
4565     pResultCB->BytesProcessed = pPioctlCB->BufferLength;
4566     (*ResultCB)->ResultBufferLength = sizeof( AFSPIOCtlIOResultCB);
4567 }
4568
4569 void
4570 RDR_PioctlRead( IN cm_user_t *userp,
4571                 IN AFSFileID  ParentId,
4572                 IN AFSPIOCtlIORequestCB *pPioctlCB,
4573                 IN BOOL bWow64,
4574                 IN BOOL bIsLocalSystem,
4575                 IN DWORD ResultBufferLength,
4576                 IN OUT AFSCommResult **ResultCB)
4577 {
4578     AFSPIOCtlIOResultCB *pResultCB;
4579     cm_scache_t *dscp = NULL;
4580     afs_uint32  code;
4581     cm_req_t    req;
4582     DWORD       status;
4583     afs_uint32  pflags = (bIsLocalSystem ? AFSCALL_FLAG_LOCAL_SYSTEM : 0);
4584
4585     RDR_InitReq(&req);
4586     if ( bWow64 )
4587         req.flags |= CM_REQ_WOW64;
4588
4589     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult) + sizeof(AFSPIOCtlIOResultCB));
4590     if (!(*ResultCB))
4591         return;
4592
4593     memset( *ResultCB,
4594             '\0',
4595             sizeof( AFSCommResult) + sizeof(AFSPIOCtlIOResultCB));
4596
4597     pResultCB = (AFSPIOCtlIOResultCB *)(*ResultCB)->ResultData;
4598
4599     code = RDR_IoctlRead(userp, pPioctlCB->RequestId, pPioctlCB->BufferLength, pPioctlCB->MappedBuffer,
4600                          &pResultCB->BytesProcessed, &req, pflags);
4601     if (code) {
4602         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
4603         (*ResultCB)->ResultStatus = status;
4604         return;
4605     }
4606
4607     (*ResultCB)->ResultBufferLength = sizeof( AFSPIOCtlIOResultCB);
4608 }
4609
4610 void
4611 RDR_ByteRangeLockSync( IN cm_user_t     *userp,
4612                        IN AFSFileID     FileId,
4613                        IN AFSByteRangeLockRequestCB *pBRLRequestCB,
4614                        IN BOOL bWow64,
4615                        IN DWORD ResultBufferLength,
4616                        IN OUT AFSCommResult **ResultCB)
4617 {
4618     AFSByteRangeLockResultCB *pResultCB = NULL;
4619     LARGE_INTEGER ProcessId;
4620     DWORD       Length;
4621     cm_scache_t *scp = NULL;
4622     cm_fid_t    Fid;
4623     afs_uint32  code;
4624     cm_req_t    req;
4625     cm_key_t    key;
4626     DWORD       i;
4627     DWORD       status;
4628
4629     ProcessId.QuadPart = pBRLRequestCB->ProcessId;
4630
4631     RDR_InitReq(&req);
4632     if ( bWow64 )
4633         req.flags |= CM_REQ_WOW64;
4634
4635     osi_Log4(afsd_logp, "RDR_ByteRangeLockSync File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
4636               FileId.Cell, FileId.Volume,
4637               FileId.Vnode, FileId.Unique);
4638     osi_Log2(afsd_logp, "... ProcessId 0x%x:%x",
4639              ProcessId.HighPart, ProcessId.LowPart);
4640
4641     Length = sizeof( AFSByteRangeLockResultCB) + ((pBRLRequestCB->Count - 1) * sizeof(AFSByteRangeLockResult));
4642     if (Length > ResultBufferLength) {
4643         *ResultCB = (AFSCommResult *)malloc(sizeof(AFSCommResult));
4644         if (!(*ResultCB))
4645             return;
4646         memset( *ResultCB, 0, sizeof(AFSCommResult));
4647         (*ResultCB)->ResultStatus = STATUS_BUFFER_OVERFLOW;
4648         return;
4649     }
4650
4651     *ResultCB = (AFSCommResult *)malloc( Length + sizeof( AFSCommResult) );
4652     if (!(*ResultCB))
4653         return;
4654     memset( *ResultCB, '\0', Length + sizeof( AFSCommResult) );
4655     (*ResultCB)->ResultBufferLength = Length;
4656
4657     pResultCB = (AFSByteRangeLockResultCB *)(*ResultCB)->ResultData;
4658     pResultCB->FileId = FileId;
4659     pResultCB->Count = pBRLRequestCB->Count;
4660
4661     /* Allocate the extents from the buffer package */
4662     Fid.cell = FileId.Cell;
4663     Fid.volume = FileId.Volume;
4664     Fid.vnode = FileId.Vnode;
4665     Fid.unique = FileId.Unique;
4666     Fid.hash = FileId.Hash;
4667
4668     code = cm_GetSCache(&Fid, NULL, &scp, userp, &req);
4669     if (code) {
4670         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
4671         (*ResultCB)->ResultStatus = status;
4672         (*ResultCB)->ResultBufferLength = 0;
4673         osi_Log2(afsd_logp, "RDR_ByteRangeLockSync cm_GetSCache FID failure code=0x%x status=0x%x",
4674                   code, status);
4675         return;
4676     }
4677
4678     lock_ObtainWrite(&scp->rw);
4679
4680     /* start by looking up the file's end */
4681     code = cm_SyncOp(scp, NULL, userp, &req, 0,
4682                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
4683     if (code) {
4684         lock_ReleaseWrite(&scp->rw);
4685         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
4686         (*ResultCB)->ResultStatus = status;
4687         (*ResultCB)->ResultBufferLength = 0;
4688         osi_Log3(afsd_logp, "RDR_ByteRangeLockSync cm_SyncOp failure scp=0x%p code=0x%x status=0x%x",
4689                  scp, code, status);
4690         return;
4691     }
4692
4693     /* the scp is now locked and current */
4694     key = cm_GenerateKey(CM_SESSION_IFS, ProcessId.QuadPart, 0);
4695
4696     for ( i=0; i<pBRLRequestCB->Count; i++ ) {
4697         pResultCB->Result[i].LockType = pBRLRequestCB->Request[i].LockType;
4698         pResultCB->Result[i].Offset = pBRLRequestCB->Request[i].Offset;
4699         pResultCB->Result[i].Length = pBRLRequestCB->Request[i].Length;
4700
4701         code = cm_Lock(scp,
4702                        pBRLRequestCB->Request[i].LockType == AFS_BYTE_RANGE_LOCK_TYPE_SHARED,
4703                        pBRLRequestCB->Request[i].Offset,
4704                        pBRLRequestCB->Request[i].Length,
4705                        key, 0, userp, &req, NULL);
4706
4707         if (code) {
4708             osi_Log4(afsd_logp, "RDR_ByteRangeLockSync FAILURE code 0x%x type 0x%u offset 0x%x:%x",
4709                      code,
4710                      pBRLRequestCB->Request[i].LockType,
4711                      pBRLRequestCB->Request[i].Offset.HighPart,
4712                      pBRLRequestCB->Request[i].Offset.LowPart);
4713             osi_Log2(afsd_logp, "... length 0x%x:%x",
4714                      pBRLRequestCB->Request[i].Length.HighPart,
4715                      pBRLRequestCB->Request[i].Length.LowPart);
4716         }
4717
4718         switch (code) {
4719         case 0:
4720             pResultCB->Result[i].Status = 0;
4721             break;
4722         case CM_ERROR_WOULDBLOCK:
4723             pResultCB->Result[i].Status = STATUS_FILE_LOCK_CONFLICT;
4724             break;
4725         default:
4726             pResultCB->Result[i].Status = STATUS_LOCK_NOT_GRANTED;
4727         }
4728     }
4729
4730     cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
4731     lock_ReleaseWrite(&scp->rw);
4732     cm_ReleaseSCache(scp);
4733
4734     (*ResultCB)->ResultStatus = 0;
4735     osi_Log0(afsd_logp, "RDR_ByteRangeLockSync SUCCESS");
4736     return;
4737 }
4738
4739 void
4740 RDR_ByteRangeUnlock( IN cm_user_t     *userp,
4741                      IN AFSFileID     FileId,
4742                      IN AFSByteRangeUnlockRequestCB *pBRURequestCB,
4743                      IN BOOL bWow64,
4744                      IN DWORD ResultBufferLength,
4745                      IN OUT AFSCommResult **ResultCB)
4746 {
4747     AFSByteRangeUnlockResultCB *pResultCB = NULL;
4748     LARGE_INTEGER ProcessId;
4749     DWORD       Length;
4750     cm_scache_t *scp = NULL;
4751     cm_fid_t    Fid;
4752     afs_uint32  code;
4753     cm_req_t    req;
4754     cm_key_t    key;
4755     DWORD       i;
4756     DWORD       status;
4757
4758     ProcessId.QuadPart = pBRURequestCB->ProcessId;
4759
4760     RDR_InitReq(&req);
4761     if ( bWow64 )
4762         req.flags |= CM_REQ_WOW64;
4763
4764     osi_Log4(afsd_logp, "RDR_ByteRangeUnlock File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
4765               FileId.Cell, FileId.Volume,
4766               FileId.Vnode, FileId.Unique);
4767     osi_Log2(afsd_logp, "... ProcessId 0x%x:%x",
4768              ProcessId.HighPart, ProcessId.LowPart);
4769
4770     Length = sizeof( AFSByteRangeUnlockResultCB) + ((pBRURequestCB->Count - 1) * sizeof(AFSByteRangeLockResult));
4771     if (Length > ResultBufferLength) {
4772         *ResultCB = (AFSCommResult *)malloc(sizeof(AFSCommResult));
4773         if (!(*ResultCB))
4774             return;
4775         memset( *ResultCB, 0, sizeof(AFSCommResult));
4776         (*ResultCB)->ResultStatus = STATUS_BUFFER_OVERFLOW;
4777         return;
4778     }
4779
4780     *ResultCB = (AFSCommResult *)malloc( Length + sizeof( AFSCommResult) );
4781     if (!(*ResultCB))
4782         return;
4783     memset( *ResultCB, '\0', Length + sizeof( AFSCommResult) );
4784     (*ResultCB)->ResultBufferLength = Length;
4785
4786     pResultCB = (AFSByteRangeUnlockResultCB *)(*ResultCB)->ResultData;
4787     pResultCB->Count = pBRURequestCB->Count;
4788
4789     /* Allocate the extents from the buffer package */
4790     Fid.cell = FileId.Cell;
4791     Fid.volume = FileId.Volume;
4792     Fid.vnode = FileId.Vnode;
4793     Fid.unique = FileId.Unique;
4794     Fid.hash = FileId.Hash;
4795
4796     code = cm_GetSCache(&Fid, NULL, &scp, userp, &req);
4797     if (code) {
4798         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
4799         (*ResultCB)->ResultStatus = status;
4800         (*ResultCB)->ResultBufferLength = 0;
4801         osi_Log2(afsd_logp, "RDR_ByteRangeUnlock cm_GetSCache FID failure code=0x%x status=0x%x",
4802                   code, status);
4803         return;
4804     }
4805
4806     lock_ObtainWrite(&scp->rw);
4807
4808     /* start by looking up the file's end */
4809     code = cm_SyncOp(scp, NULL, userp, &req, 0,
4810                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
4811     if (code) {
4812         lock_ReleaseWrite(&scp->rw);
4813         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
4814         (*ResultCB)->ResultStatus = status;
4815         (*ResultCB)->ResultBufferLength = 0;
4816         osi_Log3(afsd_logp, "RDR_ByteRangeUnlock cm_SyncOp failure scp=0x%p code=0x%x status=0x%x",
4817                  scp, code, status);
4818         return;
4819     }
4820
4821     /* the scp is now locked and current */
4822     key = cm_GenerateKey(CM_SESSION_IFS, ProcessId.QuadPart, 0);
4823
4824     for ( i=0; i<pBRURequestCB->Count; i++ ) {
4825         pResultCB->Result[i].LockType = pBRURequestCB->Request[i].LockType;
4826         pResultCB->Result[i].Offset = pBRURequestCB->Request[i].Offset;
4827         pResultCB->Result[i].Length = pBRURequestCB->Request[i].Length;
4828
4829         code = cm_Unlock(scp,
4830                          pBRURequestCB->Request[i].LockType == AFS_BYTE_RANGE_LOCK_TYPE_SHARED,
4831                          pBRURequestCB->Request[i].Offset,
4832                          pBRURequestCB->Request[i].Length,
4833                          key, CM_UNLOCK_FLAG_MATCH_RANGE, userp, &req);
4834
4835         if (code) {
4836             osi_Log4(afsd_logp, "RDR_ByteRangeUnlock FAILURE code 0x%x type 0x%u offset 0x%x:%x",
4837                      code, pBRURequestCB->Request[i].LockType,
4838                      pBRURequestCB->Request[i].Offset.HighPart,
4839                      pBRURequestCB->Request[i].Offset.LowPart);
4840             osi_Log2(afsd_logp, "... length 0x%x:%x",
4841                      pBRURequestCB->Request[i].Length.HighPart,
4842                      pBRURequestCB->Request[i].Length.LowPart);
4843         }
4844         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
4845         pResultCB->Result[i].Status = status;
4846     }
4847
4848     cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
4849     lock_ReleaseWrite(&scp->rw);
4850     cm_ReleaseSCache(scp);
4851
4852     (*ResultCB)->ResultStatus = 0;
4853     osi_Log0(afsd_logp, "RDR_ByteRangeUnlock SUCCESS");
4854     return;
4855 }
4856
4857 void
4858 RDR_ByteRangeUnlockAll( IN cm_user_t     *userp,
4859                         IN AFSFileID     FileId,
4860                         IN AFSByteRangeUnlockRequestCB *pBRURequestCB,
4861                         IN BOOL bWow64,
4862                         IN DWORD ResultBufferLength,
4863                         IN OUT AFSCommResult **ResultCB)
4864 {
4865     AFSByteRangeUnlockResultCB *pResultCB = NULL;
4866     LARGE_INTEGER ProcessId;
4867     cm_scache_t *scp = NULL;
4868     cm_fid_t    Fid;
4869     afs_uint32  code;
4870     cm_req_t    req;
4871     cm_key_t    key;
4872     DWORD       status;
4873
4874     ProcessId.QuadPart = pBRURequestCB->ProcessId;
4875
4876     RDR_InitReq(&req);
4877     if ( bWow64 )
4878         req.flags |= CM_REQ_WOW64;
4879
4880     osi_Log4(afsd_logp, "RDR_ByteRangeUnlockAll File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
4881               FileId.Cell, FileId.Volume,
4882               FileId.Vnode, FileId.Unique);
4883     osi_Log2(afsd_logp, "... ProcessId 0x%x:%x",
4884              ProcessId.HighPart, ProcessId.LowPart);
4885
4886     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult));
4887     if (!(*ResultCB))
4888         return;
4889     memset( *ResultCB, '\0', sizeof( AFSCommResult));
4890     (*ResultCB)->ResultBufferLength = 0;
4891
4892     /* Allocate the extents from the buffer package */
4893     Fid.cell = FileId.Cell;
4894     Fid.volume = FileId.Volume;
4895     Fid.vnode = FileId.Vnode;
4896     Fid.unique = FileId.Unique;
4897     Fid.hash = FileId.Hash;
4898
4899     code = cm_GetSCache(&Fid, NULL, &scp, userp, &req);
4900     if (code) {
4901         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
4902         (*ResultCB)->ResultStatus = status;
4903         (*ResultCB)->ResultBufferLength = 0;
4904         osi_Log2(afsd_logp, "RDR_ByteRangeUnlockAll cm_GetSCache FID failure code=0x%x status=0x%x",
4905                   code, status);
4906         return;
4907     }
4908
4909     lock_ObtainWrite(&scp->rw);
4910
4911     /* start by looking up the file's end */
4912     code = cm_SyncOp(scp, NULL, userp, &req, 0,
4913                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
4914     if (code) {
4915         lock_ReleaseWrite(&scp->rw);
4916         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
4917         (*ResultCB)->ResultStatus = status;
4918         (*ResultCB)->ResultBufferLength = 0;
4919         osi_Log3(afsd_logp, "RDR_ByteRangeUnlockAll cm_SyncOp failure scp=0x%p code=0x%x status=0x%x",
4920                  scp, code, status);
4921         return;
4922     }
4923
4924     /* the scp is now locked and current */
4925     key = cm_GenerateKey(CM_SESSION_IFS, ProcessId.QuadPart, 0);
4926
4927     code = cm_UnlockByKey(scp, key, 0, userp, &req);
4928
4929     cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
4930     lock_ReleaseWrite(&scp->rw);
4931     cm_ReleaseSCache(scp);
4932
4933     smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
4934     (*ResultCB)->ResultStatus = status;
4935
4936     if (code)
4937         osi_Log1(afsd_logp, "RDR_ByteRangeUnlockAll FAILURE code 0x%x", code);
4938     else
4939         osi_Log0(afsd_logp, "RDR_ByteRangeUnlockAll SUCCESS");
4940     return;
4941
4942 }
4943
4944 void
4945 RDR_GetVolumeInfo( IN cm_user_t     *userp,
4946                    IN AFSFileID     FileId,
4947                    IN BOOL bWow64,
4948                    IN DWORD ResultBufferLength,
4949                    IN OUT AFSCommResult **ResultCB)
4950 {
4951     AFSVolumeInfoCB *pResultCB = NULL;
4952     DWORD       Length;
4953     cm_scache_t *scp = NULL;
4954     cm_volume_t *volp = NULL;
4955     cm_vol_state_t *volstatep = NULL;
4956     afs_uint32   volType;
4957     cm_cell_t   *cellp = NULL;
4958     cm_fid_t    Fid;
4959     afs_uint32  code;
4960     cm_req_t    req;
4961     DWORD       status;
4962     FILETIME ft = {0x832cf000, 0x01abfcc4}; /* October 1, 1982 00:00:00 +0600 */
4963
4964     char volName[32]="(unknown)";
4965     char offLineMsg[256]="server temporarily inaccessible";
4966     char motd[256]="server temporarily inaccessible";
4967     cm_conn_t *connp;
4968     AFSFetchVolumeStatus volStat;
4969     char *Name;
4970     char *OfflineMsg;
4971     char *MOTD;
4972     struct rx_connection * rxconnp;
4973
4974     RDR_InitReq(&req);
4975     if ( bWow64 )
4976         req.flags |= CM_REQ_WOW64;
4977
4978     osi_Log4(afsd_logp, "RDR_GetVolumeInfo File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
4979              FileId.Cell, FileId.Volume,
4980              FileId.Vnode, FileId.Unique);
4981
4982     Length = sizeof( AFSCommResult) + sizeof(AFSVolumeInfoCB);
4983     if (sizeof(AFSVolumeInfoCB) > ResultBufferLength) {
4984         *ResultCB = (AFSCommResult *)malloc(sizeof(AFSCommResult) );
4985         if (!(*ResultCB))
4986             return;
4987         memset( *ResultCB, 0, sizeof(AFSCommResult));
4988         (*ResultCB)->ResultStatus = STATUS_BUFFER_OVERFLOW;
4989         return;
4990     }
4991
4992     *ResultCB = (AFSCommResult *)malloc( Length );
4993     if (!(*ResultCB))
4994         return;
4995     memset( *ResultCB, '\0', Length );
4996     (*ResultCB)->ResultBufferLength = sizeof(AFSVolumeInfoCB);
4997     pResultCB = (AFSVolumeInfoCB *)(*ResultCB)->ResultData;
4998
4999     if (FileId.Cell != 0) {
5000         cm_SetFid(&Fid, FileId.Cell, FileId.Volume, 1, 1);
5001         code = cm_GetSCache(&Fid, NULL, &scp, userp, &req);
5002         if (code) {
5003             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
5004             (*ResultCB)->ResultStatus = status;
5005             (*ResultCB)->ResultBufferLength = 0;
5006             osi_Log2(afsd_logp, "RDR_GetVolumeInfo cm_GetSCache FID failure code=0x%x status=0x%x",
5007                       code, status);
5008             return;
5009         }
5010     } else {
5011         (*ResultCB)->ResultStatus = STATUS_OBJECT_NAME_INVALID;
5012         osi_Log0(afsd_logp, "RDR_GetVolumeInfo Object Name Invalid - Cell = 0");
5013         return;
5014     }
5015     lock_ObtainWrite(&scp->rw);
5016
5017     code = cm_SyncOp(scp, NULL, userp, &req, 0,
5018                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
5019     if (code) {
5020         lock_ReleaseWrite(&scp->rw);
5021         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
5022         (*ResultCB)->ResultStatus = status;
5023         (*ResultCB)->ResultBufferLength = 0;
5024         osi_Log3(afsd_logp, "RDR_GetVolumeInfo cm_SyncOp failure scp=0x%p code=0x%x status=0x%x",
5025                  scp, code, status);
5026         return;
5027     }
5028
5029     pResultCB->SectorsPerAllocationUnit = 1;
5030     pResultCB->BytesPerSector = 1024;
5031
5032     pResultCB->CellID = scp->fid.cell;
5033     pResultCB->VolumeID = scp->fid.volume;
5034     pResultCB->Characteristics = FILE_REMOTE_DEVICE;
5035     pResultCB->FileSystemAttributes = FILE_CASE_PRESERVED_NAMES | FILE_UNICODE_ON_DISK |
5036         FILE_SUPPORTS_REPARSE_POINTS;
5037
5038     if (scp->fid.cell==AFS_FAKE_ROOT_CELL_ID &&
5039          scp->fid.volume==AFS_FAKE_ROOT_VOL_ID)
5040     {
5041         pResultCB->TotalAllocationUnits.QuadPart = 100;
5042         memcpy(&pResultCB->VolumeCreationTime, &ft, sizeof(ft));
5043
5044         pResultCB->AvailableAllocationUnits.QuadPart = 0;
5045         pResultCB->Characteristics |= FILE_READ_ONLY_DEVICE;
5046
5047         pResultCB->VolumeLabelLength = cm_Utf8ToUtf16( "Freelance.Local.Root", -1, pResultCB->VolumeLabel,
5048                                                        (sizeof(pResultCB->VolumeLabel) / sizeof(WCHAR)) + 1);
5049         if ( pResultCB->VolumeLabelLength )
5050             pResultCB->VolumeLabelLength--;
5051     } else {
5052         memcpy(&pResultCB->VolumeCreationTime, &ft, sizeof(ft));
5053
5054         volp = cm_GetVolumeByFID(&scp->fid);
5055         if (!volp) {
5056             code = CM_ERROR_NOSUCHVOLUME;
5057             goto _done;
5058         }
5059         volstatep = cm_VolumeStateByID(volp, scp->fid.volume);
5060         volType = cm_VolumeType(volp, scp->fid.volume);
5061
5062         pResultCB->Characteristics |= ((volType == ROVOL || volType == BACKVOL) ? FILE_READ_ONLY_DEVICE : 0);
5063
5064         Name = volName;
5065         OfflineMsg = offLineMsg;
5066         MOTD = motd;
5067         lock_ReleaseWrite(&scp->rw);
5068         do {
5069             code = cm_ConnFromFID(&scp->fid, userp, &req, &connp);
5070             if (code) continue;
5071
5072             rxconnp = cm_GetRxConn(connp);
5073             code = RXAFS_GetVolumeStatus(rxconnp, scp->fid.volume,
5074                                          &volStat, &Name, &OfflineMsg, &MOTD);
5075             rx_PutConnection(rxconnp);
5076
5077         } while (cm_Analyze(connp, userp, &req, &scp->fid, 0, NULL, NULL, NULL, code));
5078         code = cm_MapRPCError(code, &req);
5079         if (code == 0) {
5080             if (volStat.MaxQuota)
5081             {
5082                 pResultCB->TotalAllocationUnits.QuadPart = volStat.MaxQuota;
5083                 if (volType == ROVOL || volType == BACKVOL) {
5084                     pResultCB->AvailableAllocationUnits.QuadPart = 0;
5085                 }
5086                 else
5087                 {
5088                     pResultCB->AvailableAllocationUnits.QuadPart =
5089                         min(volStat.MaxQuota - volStat.BlocksInUse, volStat.PartBlocksAvail);
5090                 }
5091             }
5092             else
5093             {
5094                 pResultCB->TotalAllocationUnits.QuadPart = volStat.PartMaxBlocks;
5095                 if (volType == ROVOL || volType == BACKVOL) {
5096                     pResultCB->AvailableAllocationUnits.QuadPart = 0;
5097                 }
5098                 else
5099                 {
5100                     pResultCB->AvailableAllocationUnits.QuadPart = volStat.PartBlocksAvail;
5101                 }
5102             }
5103         } else {
5104             pResultCB->TotalAllocationUnits.QuadPart = 0x7FFFFFFF;
5105             pResultCB->AvailableAllocationUnits.QuadPart = (volType == ROVOL || volType == BACKVOL) ? 0 : 0x3F000000;
5106
5107             pResultCB->VolumeLabelLength = cm_Utf8ToUtf16( volp->namep, -1, pResultCB->VolumeLabel,
5108                                                            (sizeof(pResultCB->VolumeLabel) / sizeof(WCHAR)) + 1);
5109             code = 0;
5110         }
5111         if ( pResultCB->VolumeLabelLength )
5112             pResultCB->VolumeLabelLength--;
5113
5114         lock_ObtainWrite(&scp->rw);
5115     }
5116     pResultCB->VolumeLabelLength *= sizeof(WCHAR);  /* convert to bytes from chars */
5117
5118     cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
5119
5120   _done:
5121     lock_ReleaseWrite(&scp->rw);
5122     if (volp)
5123        cm_PutVolume(volp);
5124     cm_ReleaseSCache(scp);
5125
5126     smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
5127     (*ResultCB)->ResultStatus = status;
5128     osi_Log0(afsd_logp, "RDR_GetVolumeInfo SUCCESS");
5129     return;
5130 }
5131
5132 void
5133 RDR_GetVolumeSizeInfo( IN cm_user_t     *userp,
5134                    IN AFSFileID     FileId,
5135                    IN BOOL bWow64,
5136                    IN DWORD ResultBufferLength,
5137                    IN OUT AFSCommResult **ResultCB)
5138 {
5139     AFSVolumeSizeInfoCB *pResultCB = NULL;
5140     DWORD       Length;
5141     cm_scache_t *scp = NULL;
5142     cm_volume_t *volp = NULL;
5143     afs_uint32   volType;
5144     cm_cell_t   *cellp = NULL;
5145     cm_fid_t    Fid;
5146     afs_uint32  code;
5147     cm_req_t    req;
5148     DWORD       status;
5149
5150     char volName[32]="(unknown)";
5151     char offLineMsg[256]="server temporarily inaccessible";
5152     char motd[256]="server temporarily inaccessible";
5153     cm_conn_t *connp;
5154     AFSFetchVolumeStatus volStat;
5155     char *Name;
5156     char *OfflineMsg;
5157     char *MOTD;
5158     struct rx_connection * rxconnp;
5159
5160     RDR_InitReq(&req);
5161     if ( bWow64 )
5162         req.flags |= CM_REQ_WOW64;
5163
5164     osi_Log4(afsd_logp, "RDR_GetVolumeSizeInfo File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
5165              FileId.Cell, FileId.Volume,
5166              FileId.Vnode, FileId.Unique);
5167
5168     Length = sizeof( AFSCommResult) + sizeof(AFSVolumeSizeInfoCB);
5169     if (sizeof(AFSVolumeSizeInfoCB) > ResultBufferLength) {
5170         *ResultCB = (AFSCommResult *)malloc(sizeof(AFSCommResult) );
5171         if (!(*ResultCB))
5172             return;
5173         memset( *ResultCB, 0, sizeof(AFSCommResult));
5174         (*ResultCB)->ResultStatus = STATUS_BUFFER_OVERFLOW;
5175         return;
5176     }
5177
5178     *ResultCB = (AFSCommResult *)malloc( Length );
5179     if (!(*ResultCB))
5180         return;
5181     memset( *ResultCB, '\0', Length );
5182     (*ResultCB)->ResultBufferLength = sizeof(AFSVolumeSizeInfoCB);
5183     pResultCB = (AFSVolumeSizeInfoCB *)(*ResultCB)->ResultData;
5184
5185     if (FileId.Cell != 0) {
5186         cm_SetFid(&Fid, FileId.Cell, FileId.Volume, 1, 1);
5187         code = cm_GetSCache(&Fid, NULL, &scp, userp, &req);
5188         if (code) {
5189             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
5190             (*ResultCB)->ResultStatus = status;
5191             (*ResultCB)->ResultBufferLength = 0;
5192             osi_Log2(afsd_logp, "RDR_GetVolumeSizeInfo cm_GetSCache FID failure code=0x%x status=0x%x",
5193                       code, status);
5194             return;
5195         }
5196     } else {
5197         (*ResultCB)->ResultStatus = STATUS_OBJECT_NAME_INVALID;
5198         osi_Log0(afsd_logp, "RDR_GetVolumeSizeInfo Object Name Invalid - Cell = 0");
5199         return;
5200     }
5201     lock_ObtainWrite(&scp->rw);
5202
5203     code = cm_SyncOp(scp, NULL, userp, &req, 0,
5204                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
5205     if (code) {
5206         lock_ReleaseWrite(&scp->rw);
5207         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
5208         (*ResultCB)->ResultStatus = status;
5209         (*ResultCB)->ResultBufferLength = 0;
5210         osi_Log3(afsd_logp, "RDR_GetVolumeSizeInfo cm_SyncOp failure scp=0x%p code=0x%x status=0x%x",
5211                  scp, code, status);
5212         return;
5213     }
5214
5215     pResultCB->SectorsPerAllocationUnit = 1;
5216     pResultCB->BytesPerSector = 1024;
5217
5218     if (scp->fid.cell==AFS_FAKE_ROOT_CELL_ID &&
5219          scp->fid.volume==AFS_FAKE_ROOT_VOL_ID)
5220     {
5221         pResultCB->TotalAllocationUnits.QuadPart = 100;
5222         pResultCB->AvailableAllocationUnits.QuadPart = 0;
5223     } else {
5224         volp = cm_GetVolumeByFID(&scp->fid);
5225         if (!volp) {
5226             code = CM_ERROR_NOSUCHVOLUME;
5227             goto _done;
5228         }
5229
5230         volType = cm_VolumeType(volp, scp->fid.volume);
5231         Name = volName;
5232         OfflineMsg = offLineMsg;
5233         MOTD = motd;
5234         lock_ReleaseWrite(&scp->rw);
5235         do {
5236             code = cm_ConnFromFID(&scp->fid, userp, &req, &connp);
5237             if (code) continue;
5238
5239             rxconnp = cm_GetRxConn(connp);
5240             code = RXAFS_GetVolumeStatus(rxconnp, scp->fid.volume,
5241                                          &volStat, &Name, &OfflineMsg, &MOTD);
5242             rx_PutConnection(rxconnp);
5243
5244         } while (cm_Analyze(connp, userp, &req, &scp->fid, 0, NULL, NULL, NULL, code));
5245         code = cm_MapRPCError(code, &req);
5246         if (code == 0) {
5247             if (volStat.MaxQuota)
5248             {
5249                 pResultCB->TotalAllocationUnits.QuadPart = volStat.MaxQuota;
5250                 if (volType == ROVOL || volType == BACKVOL) {
5251                     pResultCB->AvailableAllocationUnits.QuadPart = 0;
5252                 }
5253                 else
5254                 {
5255                     pResultCB->AvailableAllocationUnits.QuadPart =
5256                         min(volStat.MaxQuota - volStat.BlocksInUse, volStat.PartBlocksAvail);
5257                 }
5258             }
5259             else
5260             {
5261                 pResultCB->TotalAllocationUnits.QuadPart = volStat.PartMaxBlocks;
5262                 if (volType == ROVOL || volType == BACKVOL) {
5263                     pResultCB->AvailableAllocationUnits.QuadPart = 0;
5264                 }
5265                 else
5266                 {
5267                     pResultCB->AvailableAllocationUnits.QuadPart = volStat.PartBlocksAvail;
5268                 }
5269             }
5270         } else {
5271
5272             pResultCB->TotalAllocationUnits.QuadPart = 0x7FFFFFFF;
5273             pResultCB->AvailableAllocationUnits.QuadPart = (volType == ROVOL || volType == BACKVOL) ? 0 : 0x3F000000;
5274             code = 0;
5275         }
5276         lock_ObtainWrite(&scp->rw);
5277     }
5278
5279     cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
5280
5281   _done:
5282     lock_ReleaseWrite(&scp->rw);
5283     if (volp)
5284        cm_PutVolume(volp);
5285     cm_ReleaseSCache(scp);
5286
5287     smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
5288     (*ResultCB)->ResultStatus = status;
5289     osi_Log0(afsd_logp, "RDR_GetVolumeSizeInfo SUCCESS");
5290     return;
5291 }
5292
5293 void
5294 RDR_HoldFid( IN cm_user_t     *userp,
5295              IN AFSHoldFidRequestCB * pHoldFidCB,
5296              IN BOOL bFast,
5297              IN DWORD ResultBufferLength,
5298              IN OUT AFSCommResult **ResultCB)
5299 {
5300     AFSHoldFidResultCB *pResultCB = NULL;
5301     DWORD       index;
5302     DWORD       Length;
5303     cm_req_t    req;
5304
5305     RDR_InitReq(&req);
5306
5307     osi_Log1(afsd_logp, "RDR_HoldFid Count=%u", pHoldFidCB->Count);
5308
5309     Length = sizeof(AFSHoldFidResultCB) + (pHoldFidCB->Count-1) * sizeof(AFSFidResult);
5310     if (Length > ResultBufferLength) {
5311         *ResultCB = (AFSCommResult *)malloc(sizeof(AFSCommResult) );
5312         if (!(*ResultCB))
5313             return;
5314         memset( *ResultCB, 0, sizeof(AFSCommResult));
5315         (*ResultCB)->ResultStatus = STATUS_BUFFER_OVERFLOW;
5316         return;
5317     }
5318     *ResultCB = (AFSCommResult *)malloc( Length + sizeof( AFSCommResult) );
5319     if (!(*ResultCB))
5320         return;
5321     memset( *ResultCB, '\0', Length );
5322     (*ResultCB)->ResultBufferLength = Length;
5323     pResultCB = (AFSHoldFidResultCB *)(*ResultCB)->ResultData;
5324
5325     for ( index = 0; index < pHoldFidCB->Count; index++ )
5326     {
5327         cm_scache_t *scp = NULL;
5328         cm_fid_t    Fid;
5329
5330         Fid.cell   = pResultCB->Result[index].FileID.Cell   = pHoldFidCB->FileID[index].Cell;
5331         Fid.volume = pResultCB->Result[index].FileID.Volume = pHoldFidCB->FileID[index].Volume;
5332         Fid.vnode  = pResultCB->Result[index].FileID.Vnode  = pHoldFidCB->FileID[index].Vnode;
5333         Fid.unique = pResultCB->Result[index].FileID.Unique = pHoldFidCB->FileID[index].Unique;
5334         Fid.hash   = pResultCB->Result[index].FileID.Hash   = pHoldFidCB->FileID[index].Hash;
5335
5336         osi_Log4( afsd_logp,
5337                   "RDR_HoldFid File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
5338                   Fid.cell, Fid.volume, Fid.vnode, Fid.unique);
5339
5340         scp = cm_FindSCache(&Fid);
5341         if (scp) {
5342             RDR_FlagScpInUse( scp, FALSE );
5343             cm_ReleaseSCache(scp);
5344         }
5345         pResultCB->Result[index].Status = 0;
5346     }
5347
5348     (*ResultCB)->ResultStatus = 0;
5349     osi_Log0(afsd_logp, "RDR_HoldFid SUCCESS");
5350     return;
5351 }
5352
5353 void
5354 RDR_ReleaseFid( IN cm_user_t     *userp,
5355                 IN AFSReleaseFidRequestCB * pReleaseFidCB,
5356                 IN BOOL bFast,
5357                 IN DWORD ResultBufferLength,
5358                 IN OUT AFSCommResult **ResultCB)
5359 {
5360     AFSReleaseFidResultCB *pResultCB = NULL;
5361     DWORD       index;
5362     DWORD       Length;
5363     cm_req_t    req;
5364
5365     RDR_InitReq(&req);
5366
5367     osi_Log1(afsd_logp, "RDR_ReleaseFid Count=%u", pReleaseFidCB->Count);
5368
5369     Length = sizeof(AFSReleaseFidResultCB) + (pReleaseFidCB->Count ? pReleaseFidCB->Count-1 : 0) * sizeof(AFSFidResult);
5370     if (Length > ResultBufferLength) {
5371         *ResultCB = (AFSCommResult *)malloc(sizeof(AFSCommResult) );
5372         if (!(*ResultCB))
5373             return;
5374         memset( *ResultCB, 0, sizeof(AFSCommResult));
5375         (*ResultCB)->ResultStatus = STATUS_BUFFER_OVERFLOW;
5376         return;
5377     }
5378     *ResultCB = (AFSCommResult *)malloc( Length + sizeof( AFSCommResult) );
5379     if (!(*ResultCB))
5380         return;
5381     memset( *ResultCB, '\0', Length );
5382     (*ResultCB)->ResultBufferLength = Length;
5383     pResultCB = (AFSReleaseFidResultCB *)(*ResultCB)->ResultData;
5384
5385     for ( index = 0; index < pReleaseFidCB->Count; index++ )
5386     {
5387         cm_scache_t *scp = NULL;
5388         cm_fid_t    Fid;
5389
5390         Fid.cell   = pResultCB->Result[index].FileID.Cell   = pReleaseFidCB->FileID[index].Cell;
5391         Fid.volume = pResultCB->Result[index].FileID.Volume = pReleaseFidCB->FileID[index].Volume;
5392         Fid.vnode  = pResultCB->Result[index].FileID.Vnode  = pReleaseFidCB->FileID[index].Vnode;
5393         Fid.unique = pResultCB->Result[index].FileID.Unique = pReleaseFidCB->FileID[index].Unique;
5394         Fid.hash   = pResultCB->Result[index].FileID.Hash   = pReleaseFidCB->FileID[index].Hash;
5395
5396         osi_Log4( afsd_logp,
5397                   "RDR_ReleaseFid File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
5398                   Fid.cell, Fid.volume, Fid.vnode, Fid.unique);
5399
5400         scp = cm_FindSCache(&Fid);
5401         if (scp) {
5402             lock_ObtainWrite(&scp->rw);
5403             scp->flags &= ~CM_SCACHEFLAG_RDR_IN_USE;
5404             lock_ReleaseWrite(&scp->rw);
5405
5406             cm_ReleaseSCache(scp);
5407         }
5408         pResultCB->Result[index].Status = 0;
5409     }
5410     pResultCB->Count = pReleaseFidCB->Count;
5411
5412     (*ResultCB)->ResultStatus = 0;
5413     osi_Log0(afsd_logp, "RDR_ReleaseFid SUCCESS");
5414     return;
5415 }
5416
5417 /*
5418  * The redirector makes several assumptions regarding the
5419  * SRVSVC and WKSSVC pipes transactions.  First, the interface
5420  * versions are those indicated below.  Secondly, the encoding
5421  * will be performed using NDR version 2.  These assumptions
5422  * may not hold in the future and end-to-end MSRPC Bind
5423  * negotiations may need to be supported.  Of course, these
5424  * are the only interface versions that are supported by the
5425  * service.
5426  */
5427 #define MSRPC_PIPE_PREFIX L".\\"
5428
5429 static const UUID MSRPC_SRVSVC_UUID = {0x4B324FC8, 0x1670, 0x01D3,
5430                                        {0x12, 0x78, 0x5A, 0x47, 0xBF, 0x6E, 0xE1, 0x88}};
5431 #define MSRPC_SRVSVC_NAME L"PIPE\\SRVSVC"
5432 #define MSRPC_SRVSVC_VERS 3
5433
5434 static const UUID MSRPC_WKSSVC_UUID = {0x6BFFD098, 0xA112, 0x3610,
5435                                        {0x98, 0x33, 0x46, 0xC3, 0xF8, 0x7E, 0x34, 0x5A}};
5436 #define MSRPC_WKSSVC_NAME L"PIPE\\WKSSVC"
5437 #define MSRPC_WKSSVC_VERS 1
5438
5439 static const UUID MSRPC_NDR_UUID = {0x8A885D04, 0x1CEB, 0x11C9,
5440                                     {0x9F, 0xE8, 0x08, 0x00, 0x2B, 0x10, 0x48, 0x60}};
5441 #define MSRPC_NDR_NAME    L"NDR"
5442 #define MSRPC_NDR_VERS    2
5443
5444 extern RPC_IF_HANDLE srvsvc_v3_0_s_ifspec;
5445 extern RPC_IF_HANDLE wkssvc_v1_0_s_ifspec;
5446
5447 void
5448 RDR_PipeOpen( IN cm_user_t *userp,
5449               IN AFSFileID  ParentId,
5450               IN WCHAR     *Name,
5451               IN DWORD      NameLength,
5452               IN AFSPipeOpenCloseRequestCB *pPipe_CB,
5453               IN BOOL bWow64,
5454               IN DWORD ResultBufferLength,
5455               IN OUT AFSCommResult **ResultCB)
5456 {
5457     cm_fid_t    ParentFid;
5458     cm_fid_t    RootFid;
5459
5460     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult));
5461     if (!(*ResultCB))
5462         return;
5463
5464     memset( *ResultCB,
5465             '\0',
5466             sizeof( AFSCommResult));
5467
5468     /* Get the active directory */
5469     ParentFid.cell = ParentId.Cell;
5470     ParentFid.volume = ParentId.Volume;
5471     ParentFid.vnode = ParentId.Vnode;
5472     ParentFid.unique = ParentId.Unique;
5473     ParentFid.hash = ParentId.Hash;
5474
5475     /* Get the root directory */
5476     RootFid.cell = pPipe_CB->RootId.Cell;
5477     RootFid.volume = pPipe_CB->RootId.Volume;
5478     RootFid.vnode = pPipe_CB->RootId.Vnode;
5479     RootFid.unique = pPipe_CB->RootId.Unique;
5480     RootFid.hash = pPipe_CB->RootId.Hash;
5481
5482     /* Create the pipe index */
5483     (*ResultCB)->ResultStatus =
5484       RDR_SetupPipe( pPipe_CB->RequestId, &ParentFid, &RootFid,
5485                      Name, NameLength, userp);
5486     return;
5487 }
5488
5489
5490 void
5491 RDR_PipeClose( IN cm_user_t *userp,
5492                IN AFSFileID  ParentId,
5493                IN AFSPipeOpenCloseRequestCB *pPipe_CB,
5494                IN BOOL bWow64,
5495                IN DWORD ResultBufferLength,
5496                IN OUT AFSCommResult **ResultCB)
5497 {
5498     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult));
5499     if (!(*ResultCB))
5500         return;
5501
5502     memset( *ResultCB,
5503             '\0',
5504             sizeof( AFSCommResult));
5505
5506     /* Cleanup the pipe index */
5507     RDR_CleanupPipe(pPipe_CB->RequestId);
5508
5509     return;
5510 }
5511
5512
5513 void
5514 RDR_PipeWrite( IN cm_user_t *userp,
5515                IN AFSFileID  ParentId,
5516                IN AFSPipeIORequestCB *pPipe_CB,
5517                IN BYTE *pPipe_Data,
5518                IN BOOL bWow64,
5519                IN DWORD ResultBufferLength,
5520                IN OUT AFSCommResult **ResultCB)
5521 {
5522     AFSPipeIOResultCB *pResultCB;
5523     cm_scache_t *dscp = NULL;
5524     afs_uint32  code;
5525     cm_req_t    req;
5526     DWORD       status;
5527
5528     RDR_InitReq(&req);
5529     if ( bWow64 )
5530         req.flags |= CM_REQ_WOW64;
5531
5532     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult) + sizeof(AFSPipeIOResultCB));
5533     if (!(*ResultCB))
5534         return;
5535
5536     memset( *ResultCB,
5537             '\0',
5538             sizeof( AFSCommResult) + sizeof(AFSPipeIOResultCB));
5539
5540     pResultCB = (AFSPipeIOResultCB *)(*ResultCB)->ResultData;
5541
5542     code = RDR_Pipe_Write( pPipe_CB->RequestId, pPipe_CB->BufferLength, pPipe_Data, &req, userp);
5543     if (code) {
5544         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
5545         (*ResultCB)->ResultStatus = status;
5546         return;
5547     }
5548
5549     pResultCB->BytesProcessed = pPipe_CB->BufferLength;
5550     (*ResultCB)->ResultBufferLength = sizeof( AFSPipeIOResultCB);
5551 }
5552
5553
5554 void
5555 RDR_PipeRead( IN cm_user_t *userp,
5556               IN AFSFileID  ParentId,
5557               IN AFSPipeIORequestCB *pPipe_CB,
5558               IN BOOL bWow64,
5559               IN DWORD ResultBufferLength,
5560               IN OUT AFSCommResult **ResultCB)
5561 {
5562     BYTE *pPipe_Data;
5563     cm_scache_t *dscp = NULL;
5564     afs_uint32  code;
5565     cm_req_t    req;
5566     DWORD       status;
5567
5568     RDR_InitReq(&req);
5569     if ( bWow64 )
5570         req.flags |= CM_REQ_WOW64;
5571
5572     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult) + ResultBufferLength);
5573     if (!(*ResultCB))
5574         return;
5575
5576     memset( *ResultCB,
5577             '\0',
5578             sizeof( AFSCommResult));
5579
5580     pPipe_Data = (BYTE *)(*ResultCB)->ResultData;
5581
5582     code = RDR_Pipe_Read( pPipe_CB->RequestId, ResultBufferLength, pPipe_Data,
5583                           &(*ResultCB)->ResultBufferLength, &req, userp);
5584     if (code) {
5585         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
5586         (*ResultCB)->ResultStatus = status;
5587         return;
5588     }
5589 }
5590
5591
5592 void
5593 RDR_PipeSetInfo( IN cm_user_t *userp,
5594                  IN AFSFileID  ParentId,
5595                  IN AFSPipeInfoRequestCB *pPipeInfo_CB,
5596                  IN BYTE *pPipe_Data,
5597                  IN BOOL bWow64,
5598                  IN DWORD ResultBufferLength,
5599                  IN OUT AFSCommResult **ResultCB)
5600 {
5601     cm_scache_t *dscp = NULL;
5602     cm_req_t    req;
5603     DWORD       status;
5604
5605     RDR_InitReq(&req);
5606     if ( bWow64 )
5607         req.flags |= CM_REQ_WOW64;
5608
5609     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult));
5610     if (!(*ResultCB))
5611         return;
5612
5613     memset( *ResultCB,
5614             '\0',
5615             sizeof( AFSCommResult));
5616
5617     status = RDR_Pipe_SetInfo( pPipeInfo_CB->RequestId, pPipeInfo_CB->InformationClass,
5618                                pPipeInfo_CB->BufferLength, pPipe_Data, &req, userp);
5619
5620     (*ResultCB)->ResultStatus = status;
5621 }
5622
5623
5624 void
5625 RDR_PipeQueryInfo( IN cm_user_t *userp,
5626                    IN AFSFileID  ParentId,
5627                    IN AFSPipeInfoRequestCB *pPipeInfo_CB,
5628                    IN BOOL bWow64,
5629                    IN DWORD ResultBufferLength,
5630                    IN OUT AFSCommResult **ResultCB)
5631 {
5632     BYTE *pPipe_Data;
5633     cm_scache_t *dscp = NULL;
5634     cm_req_t    req;
5635     DWORD       status;
5636
5637     RDR_InitReq(&req);
5638     if ( bWow64 )
5639         req.flags |= CM_REQ_WOW64;
5640
5641     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult) + ResultBufferLength);
5642     if (!(*ResultCB))
5643         return;
5644
5645     memset( *ResultCB,
5646             '\0',
5647             sizeof( AFSCommResult) + sizeof(AFSPipeIOResultCB));
5648
5649     pPipe_Data = (BYTE *)(*ResultCB)->ResultData;
5650
5651     status = RDR_Pipe_QueryInfo( pPipeInfo_CB->RequestId, pPipeInfo_CB->InformationClass,
5652                                  ResultBufferLength, pPipe_Data,
5653                                  &(*ResultCB)->ResultBufferLength, &req, userp);
5654
5655     (*ResultCB)->ResultStatus = status;
5656 }
5657
5658 void
5659 RDR_PipeTransceive( IN cm_user_t     *userp,
5660                     IN AFSFileID  ParentId,
5661                     IN AFSPipeIORequestCB *pPipe_CB,
5662                     IN BYTE *pPipe_InData,
5663                     IN BOOL bWow64,
5664                     IN DWORD ResultBufferLength,
5665                     IN OUT AFSCommResult **ResultCB)
5666 {
5667     /*
5668      * This function processes a Pipe Service request
5669      * that would normally be sent to a LAN Manager server
5670      * across an authenticated SMB-PIPE/MSRPC/SVC request
5671      * stack.  The request is being sent here because the
5672      * application (e.g., Explorer Shell or Common Control File
5673      * dialog) believes that because the UNC path it is
5674      * processing has specified a server name that is not
5675      * "." and that the Server is remote and that the Share
5676      * list cannot be obtained using the Network Provider
5677      * interface.
5678      *
5679      * The file system driver is faking the Bind-Ack response
5680      * to the MSRPC Bind request but cannot decode the NDR
5681      * encoded Pipe Service requests.  For that we will use
5682      * the service's MSRPC module.  However, unlike the SMB
5683      * server usage we must fake the MSRPC Bind exchange and
5684      * map the PipeName to an interface instead of using the
5685      * GUID specified in the MSRPC Bind request.
5686      *
5687      * None of the requests that are being processed by the
5688      * service require authentication.  As a result the userp
5689      * parameter will be ignored.
5690      *
5691      * Although there are dozens of Pipe Services, the only
5692      * ones that we are implementing are WKSSVC and SRVSVC.
5693      * These support NetShareEnum, NetShareGetInfo,
5694      * NetServerGetInfo, and NetWorkstaGetInfo which are
5695      * commonly queried by NET VIEW, the Explorer Shell,
5696      * and the Common Control File dialog.
5697      */
5698     BYTE *pPipe_OutData;
5699     cm_scache_t *dscp = NULL;
5700     afs_uint32  code;
5701     cm_req_t    req;
5702     DWORD       status;
5703     DWORD Length = ResultBufferLength + sizeof( AFSCommResult);
5704
5705     RDR_InitReq(&req);
5706     if ( bWow64 )
5707         req.flags |= CM_REQ_WOW64;
5708
5709     *ResultCB = (AFSCommResult *)malloc( Length);
5710     if (!(*ResultCB))
5711         return;
5712     memset( *ResultCB, '\0', Length );
5713
5714     code = RDR_Pipe_Write( pPipe_CB->RequestId, pPipe_CB->BufferLength, pPipe_InData, &req, userp);
5715     if (code) {
5716         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
5717         osi_Log2( afsd_logp, "RDR_Pipe_Transceive Write FAILURE code=0x%x status=0x%x",
5718                   code, status);
5719         (*ResultCB)->ResultStatus = status;
5720         return;
5721     }
5722
5723     pPipe_OutData = (BYTE *)(*ResultCB)->ResultData;
5724     code = RDR_Pipe_Read( pPipe_CB->RequestId, ResultBufferLength, pPipe_OutData,
5725                           &(*ResultCB)->ResultBufferLength, &req, userp);
5726     if (code) {
5727         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
5728         osi_Log2( afsd_logp, "RDR_Pipe_Transceive Read FAILURE code=0x%x status=0x%x",
5729                   code, status);
5730         (*ResultCB)->ResultStatus = status;
5731         return;
5732     }
5733
5734     (*ResultCB)->ResultStatus = 0;
5735     osi_Log0(afsd_logp, "RDR_Pipe_Transceive SUCCESS");
5736 }