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 = MAX_FID_COUNT;
 152     (*ppRedirInitInfo)->NameArrayLength = MAX_FID_COUNT;
 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 not a readonly object, flush dirty data and update metadata */
1845     if (!(scp->flags & CM_SCACHEFLAG_RO)) {
1846         if ((bLastHandle || bFlushFile) &&
1847              buf_DirtyBuffersExist(&scp->fid)) {
1848             if (!bScpLocked) {
1849                 lock_ObtainWrite(&scp->rw);
1850                 bScpLocked = TRUE;
1851             }
1852             code = cm_SyncOp(scp, NULL, userp, &req, PRSFS_WRITE,
1853                              CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1854             if (code == 0) {
1855                 if (bScpLocked) {
1856                     lock_ReleaseWrite(&scp->rw);
1857                     bScpLocked = FALSE;
1858                 }
1859
1860                 code = cm_FSync(scp, userp, &req, bScpLocked);
1861             }
1862             if (bLastHandle && code)
1863                 goto unlock;
1864         }
1865
1866         if (CleanupCB->ChangeTime.QuadPart) {
1867
1868             if (scp->fileType == CM_SCACHETYPE_FILE) {
1869                 /* Do not set length and other attributes at the same time */
1870                 if (scp->length.QuadPart != CleanupCB->AllocationSize.QuadPart) {
1871                     osi_Log2(afsd_logp, "RDR_CleanupFileEntry Length Change 0x%x -> 0x%x",
1872                              (afs_uint32)scp->length.QuadPart, (afs_uint32)CleanupCB->AllocationSize.QuadPart);
1873                     setAttr.mask |= CM_ATTRMASK_LENGTH;
1874                     setAttr.length.LowPart = CleanupCB->AllocationSize.LowPart;
1875                     setAttr.length.HighPart = CleanupCB->AllocationSize.HighPart;
1876
1877                     if (bScpLocked) {
1878                         lock_ReleaseWrite(&scp->rw);
1879                         bScpLocked = FALSE;
1880                     }
1881                     code = cm_SetAttr(scp, &setAttr, userp, &req);
1882                     if (code)
1883                         goto unlock;
1884                     setAttr.mask = 0;
1885                 }
1886             }
1887
1888             if (!bScpLocked) {
1889                 lock_ObtainWrite(&scp->rw);
1890                 bScpLocked = TRUE;
1891             }
1892
1893             if ((scp->unixModeBits & 0200) && (CleanupCB->FileAttributes & FILE_ATTRIBUTE_READONLY)) {
1894                 setAttr.mask |= CM_ATTRMASK_UNIXMODEBITS;
1895                 setAttr.unixModeBits = scp->unixModeBits & ~0222;
1896             } else if (!(scp->unixModeBits & 0200) && !(CleanupCB->FileAttributes & FILE_ATTRIBUTE_READONLY)) {
1897                 setAttr.mask |= CM_ATTRMASK_UNIXMODEBITS;
1898                 setAttr.unixModeBits = scp->unixModeBits | 0222;
1899             }
1900         }
1901
1902         if (CleanupCB->LastWriteTime.QuadPart) {
1903             ft.dwLowDateTime = CleanupCB->LastWriteTime.LowPart;
1904             ft.dwHighDateTime = CleanupCB->LastWriteTime.HighPart;
1905
1906             cm_UnixTimeFromLargeSearchTime(&clientModTime, &ft);
1907             if (scp->clientModTime != clientModTime) {
1908                 setAttr.mask |= CM_ATTRMASK_CLIENTMODTIME;
1909                 setAttr.clientModTime = clientModTime;
1910             }
1911         }
1912
1913         /* call setattr */
1914         if (setAttr.mask) {
1915             lock_ReleaseWrite(&scp->rw);
1916             bScpLocked = FALSE;
1917             code = cm_SetAttr(scp, &setAttr, userp, &req);
1918         } else
1919             code = 0;
1920     }
1921
1922   unlock:
1923     /* Now drop the lock enforcing the share access */
1924     if ( CleanupCB->FileAccess != AFS_FILE_ACCESS_NOLOCK) {
1925         unsigned int sLockType;
1926         LARGE_INTEGER LOffset, LLength;
1927
1928         if (CleanupCB->FileAccess == AFS_FILE_ACCESS_SHARED)
1929             sLockType = LOCKING_ANDX_SHARED_LOCK;
1930         else
1931             sLockType = 0;
1932
1933         key = cm_GenerateKey(CM_SESSION_IFS, SMB_FID_QLOCK_PID, CleanupCB->Identifier);
1934
1935         LOffset.HighPart = SMB_FID_QLOCK_HIGH;
1936         LOffset.LowPart = SMB_FID_QLOCK_LOW;
1937         LLength.HighPart = 0;
1938         LLength.LowPart = SMB_FID_QLOCK_LENGTH;
1939
1940         if (!bScpLocked) {
1941             lock_ObtainWrite(&scp->rw);
1942             bScpLocked = TRUE;
1943         }
1944
1945         code = cm_SyncOp(scp, NULL, userp, &req, 0, CM_SCACHESYNC_LOCK);
1946         if (code == 0)
1947         {
1948             code = cm_Unlock(scp, sLockType, LOffset, LLength, key, 0, userp, &req);
1949
1950             cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_LOCK);
1951
1952             if (code == CM_ERROR_RANGE_NOT_LOCKED)
1953             {
1954                 osi_Log3(afsd_logp, "RDR_CleanupFileEntry Range Not Locked -- FileAccess 0x%x ProcessId 0x%x HandleId 0x%x",
1955                          CleanupCB->FileAccess, CleanupCB->ProcessId, CleanupCB->Identifier);
1956
1957             }
1958         }
1959     }
1960
1961     if (bUnlockFile || bDeleteFile) {
1962         if (!bScpLocked) {
1963             lock_ObtainWrite(&scp->rw);
1964             bScpLocked = TRUE;
1965         }
1966         code = cm_SyncOp(scp, NULL, userp, &req, 0,
1967                           CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
1968         if (code) {
1969             osi_Log2(afsd_logp, "RDR_CleanupFileEntry cm_SyncOp (2) failure scp=0x%p code=0x%x",
1970                      scp, code);
1971             goto on_error;
1972         }
1973
1974         key = cm_GenerateKey(CM_SESSION_IFS, CleanupCB->ProcessId, 0);
1975
1976         /* the scp is now locked and current */
1977         code = cm_UnlockByKey(scp, key,
1978                               bDeleteFile ? CM_UNLOCK_FLAG_BY_FID : 0,
1979                               userp, &req);
1980
1981         cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
1982
1983         if (code)
1984             goto on_error;
1985     }
1986
1987   on_error:
1988     if (bDscpLocked)
1989         lock_ReleaseWrite(&dscp->rw);
1990     if (bScpLocked)
1991         lock_ReleaseWrite(&scp->rw);
1992
1993     if (code == 0 && dscp && bDeleteFile) {
1994         WCHAR FileName[260];
1995
1996         StringCchCopyNW(FileName, 260, FileNameCounted, FileNameLength / sizeof(WCHAR));
1997
1998         if (scp->fileType == CM_SCACHETYPE_DIRECTORY)
1999             code = cm_RemoveDir(dscp, NULL, FileName, userp, &req);
2000         else
2001             code = cm_Unlink(dscp, NULL, FileName, userp, &req);
2002     }
2003
2004     if (code == 0) {
2005         if ( ResultBufferLength >=  sizeof( AFSFileCleanupResultCB))
2006         {
2007             (*ResultCB)->ResultBufferLength = sizeof( AFSFileCleanupResultCB);
2008             pResultCB = (AFSFileCleanupResultCB *)&(*ResultCB)->ResultData;
2009             pResultCB->ParentDataVersion.QuadPart = dscp ? dscp->dataVersion : 0;
2010         } else {
2011             (*ResultCB)->ResultBufferLength = 0;
2012         }
2013
2014         (*ResultCB)->ResultStatus = 0;
2015         osi_Log0(afsd_logp, "RDR_CleanupFileEntry SUCCESS");
2016     } else {
2017         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2018         (*ResultCB)->ResultStatus = status;
2019         osi_Log2(afsd_logp, "RDR_CleanupFileEntry FAILURE code=0x%x status=0x%x",
2020                   code, status);
2021     }
2022
2023     if (scp)
2024         cm_ReleaseSCache(scp);
2025     if (dscp)
2026         cm_ReleaseSCache(dscp);
2027
2028     return;
2029 }
2030
2031 void
2032 RDR_DeleteFileEntry( IN cm_user_t *userp,
2033                      IN AFSFileID ParentId,
2034                      IN ULONGLONG ProcessId,
2035                      IN WCHAR *FileNameCounted,
2036                      IN DWORD FileNameLength,
2037                      IN BOOL bWow64,
2038                      IN BOOL bCheckOnly,
2039                      IN DWORD ResultBufferLength,
2040                      IN OUT AFSCommResult **ResultCB)
2041 {
2042
2043     AFSFileDeleteResultCB *pResultCB = NULL;
2044     size_t size = sizeof(AFSCommResult) + ResultBufferLength - 1;
2045     cm_fid_t            parentFid;
2046     afs_uint32          code;
2047     cm_scache_t *       dscp = NULL;
2048     cm_scache_t *       scp = NULL;
2049     afs_uint32          flags = 0;
2050     cm_attr_t           setAttr;
2051     cm_req_t            req;
2052     DWORD               status;
2053     wchar_t             FileName[260];
2054     cm_key_t            key;
2055
2056     StringCchCopyNW(FileName, 260, FileNameCounted, FileNameLength / sizeof(WCHAR));
2057
2058     osi_Log4(afsd_logp, "RDR_DeleteFileEntry parent FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
2059               ParentId.Cell,  ParentId.Volume,
2060               ParentId.Vnode, ParentId.Unique);
2061     osi_Log2(afsd_logp, "... name=%S checkOnly=%x",
2062              osi_LogSaveStringW(afsd_logp, FileName),
2063              bCheckOnly);
2064
2065     RDR_InitReq(&req);
2066     if ( bWow64 )
2067         req.flags |= CM_REQ_WOW64;
2068     memset(&setAttr, 0, sizeof(cm_attr_t));
2069
2070     *ResultCB = (AFSCommResult *)malloc( size);
2071     if (!(*ResultCB)) {
2072         osi_Log0(afsd_logp, "RDR_DeleteFileEntry out of memory");
2073         return;
2074     }
2075
2076     memset( *ResultCB,
2077             '\0',
2078             size);
2079
2080     parentFid.cell   = ParentId.Cell;
2081     parentFid.volume = ParentId.Volume;
2082     parentFid.vnode  = ParentId.Vnode;
2083     parentFid.unique = ParentId.Unique;
2084     parentFid.hash   = ParentId.Hash;
2085
2086     code = cm_GetSCache(&parentFid, NULL, &dscp, userp, &req);
2087     if (code) {
2088         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2089         if ( status == STATUS_INVALID_HANDLE)
2090             status = STATUS_OBJECT_PATH_INVALID;
2091         (*ResultCB)->ResultStatus = status;
2092         osi_Log2(afsd_logp, "RDR_DeleteFileEntry cm_GetSCache ParentFID failure code=0x%x status=0x%x",
2093                   code, status);
2094         return;
2095     }
2096
2097     lock_ObtainWrite(&dscp->rw);
2098
2099     code = cm_SyncOp(dscp, NULL, userp, &req, 0,
2100                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2101     if (code) {
2102         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2103         (*ResultCB)->ResultStatus = status;
2104         (*ResultCB)->ResultBufferLength = 0;
2105         lock_ReleaseWrite(&dscp->rw);
2106         cm_ReleaseSCache(dscp);
2107         osi_Log3(afsd_logp, "RDR_DeleteFileEntry cm_SyncOp failure dscp=0x%p code=0x%x status=0x%x",
2108                  dscp, code, status);
2109         return;
2110     }
2111
2112     cm_SyncOpDone(dscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2113     lock_ReleaseWrite(&dscp->rw);
2114
2115     if (dscp->fileType != CM_SCACHETYPE_DIRECTORY) {
2116         (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
2117         cm_ReleaseSCache(dscp);
2118         osi_Log1(afsd_logp, "RDR_DeleteFileEntry Not a Directory dscp=0x%p",
2119                  dscp);
2120         return;
2121     }
2122
2123     code = cm_Lookup(dscp, FileName, 0, userp, &req, &scp);
2124     if (code) {
2125         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2126         (*ResultCB)->ResultStatus = status;
2127         (*ResultCB)->ResultBufferLength = 0;
2128         cm_ReleaseSCache(dscp);
2129         osi_Log2(afsd_logp, "RDR_DeleteFileEntry cm_Lookup failure code=0x%x status=0x%x",
2130                  code, status);
2131         return;
2132     }
2133
2134     lock_ObtainWrite(&scp->rw);
2135     code = cm_SyncOp(scp, NULL, userp, &req, PRSFS_DELETE,
2136                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2137     if (code) {
2138         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2139         (*ResultCB)->ResultStatus = status;
2140         (*ResultCB)->ResultBufferLength = 0;
2141         lock_ReleaseWrite(&scp->rw);
2142         cm_ReleaseSCache(scp);
2143         cm_ReleaseSCache(dscp);
2144         osi_Log3(afsd_logp, "RDR_DeleteFileEntry cm_SyncOp failure scp=0x%p code=0x%x status=0x%x",
2145                  scp, code, status);
2146         return;
2147     }
2148
2149     if (!bCheckOnly) {
2150         /* Drop all locks since the file is being deleted */
2151         code = cm_SyncOp(scp, NULL, userp, &req, 0,
2152                          CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
2153         if (code) {
2154             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2155             (*ResultCB)->ResultStatus = status;
2156             (*ResultCB)->ResultBufferLength = 0;
2157             lock_ReleaseWrite(&scp->rw);
2158             cm_ReleaseSCache(scp);
2159             cm_ReleaseSCache(dscp);
2160             osi_Log3(afsd_logp, "RDR_DeleteFileEntry cm_SyncOp Lock failure scp=0x%p code=0x%x status=0x%x",
2161                      scp, code, status);
2162         }
2163
2164         /* the scp is now locked and current */
2165         key = cm_GenerateKey(CM_SESSION_IFS, ProcessId, 0);
2166
2167         code = cm_UnlockByKey(scp, key,
2168                               CM_UNLOCK_FLAG_BY_FID,
2169                               userp, &req);
2170
2171         cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
2172         lock_ReleaseWrite(&scp->rw);
2173
2174         if (scp->fileType == CM_SCACHETYPE_DIRECTORY)
2175             code = cm_RemoveDir(dscp, NULL, FileName, userp, &req);
2176         else
2177             code = cm_Unlink(dscp, NULL, FileName, userp, &req);
2178     } else {
2179         lock_ReleaseWrite(&scp->rw);
2180     }
2181
2182     if (code == 0) {
2183         (*ResultCB)->ResultStatus = 0;  // We will be able to fit all the data in here
2184
2185         (*ResultCB)->ResultBufferLength = sizeof( AFSFileDeleteResultCB);
2186
2187         pResultCB = (AFSFileDeleteResultCB *)(*ResultCB)->ResultData;
2188
2189         pResultCB->ParentDataVersion.QuadPart = dscp->dataVersion;
2190         osi_Log0(afsd_logp, "RDR_DeleteFileEntry SUCCESS");
2191     } else {
2192         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2193         (*ResultCB)->ResultStatus = status;
2194         (*ResultCB)->ResultBufferLength = 0;
2195         osi_Log2(afsd_logp, "RDR_DeleteFileEntry FAILURE code=0x%x status=0x%x",
2196                   code, status);
2197     }
2198
2199     cm_ReleaseSCache(dscp);
2200     cm_ReleaseSCache(scp);
2201
2202     return;
2203 }
2204
2205 void
2206 RDR_RenameFileEntry( IN cm_user_t *userp,
2207                      IN WCHAR    *SourceFileNameCounted,
2208                      IN DWORD     SourceFileNameLength,
2209                      IN AFSFileID SourceFileId,
2210                      IN AFSFileRenameCB *pRenameCB,
2211                      IN BOOL bWow64,
2212                      IN DWORD ResultBufferLength,
2213                      IN OUT AFSCommResult **ResultCB)
2214 {
2215
2216     AFSFileRenameResultCB *pResultCB = NULL;
2217     size_t size = sizeof(AFSCommResult) + ResultBufferLength - 1;
2218     AFSFileID              SourceParentId   = pRenameCB->SourceParentId;
2219     AFSFileID              TargetParentId   = pRenameCB->TargetParentId;
2220     WCHAR *                TargetFileNameCounted = pRenameCB->TargetName;
2221     DWORD                  TargetFileNameLength = pRenameCB->TargetNameLength;
2222     cm_fid_t               SourceParentFid;
2223     cm_fid_t               TargetParentFid;
2224     cm_fid_t               SourceFid;
2225     cm_fid_t               OrigTargetFid = {0,0,0,0,0};
2226     cm_fid_t               TargetFid;
2227     cm_scache_t *          oldDscp;
2228     cm_scache_t *          newDscp;
2229     cm_dirOp_t dirop;
2230     wchar_t                shortName[13];
2231     wchar_t                SourceFileName[260];
2232     wchar_t                TargetFileName[260];
2233     cm_dirFid_t            dfid;
2234     cm_req_t               req;
2235     afs_uint32             code;
2236     DWORD                  status;
2237
2238     RDR_InitReq(&req);
2239     if ( bWow64 )
2240         req.flags |= CM_REQ_WOW64;
2241
2242     StringCchCopyNW(SourceFileName, 260, SourceFileNameCounted, SourceFileNameLength / sizeof(WCHAR));
2243     StringCchCopyNW(TargetFileName, 260, TargetFileNameCounted, TargetFileNameLength / sizeof(WCHAR));
2244
2245     osi_Log4(afsd_logp, "RDR_RenameFileEntry Source Parent FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
2246               SourceParentId.Cell,  SourceParentId.Volume,
2247               SourceParentId.Vnode, SourceParentId.Unique);
2248     osi_Log2(afsd_logp, "... Source Name=%S Length %u", osi_LogSaveStringW(afsd_logp, SourceFileName), SourceFileNameLength);
2249     osi_Log4(afsd_logp, "... Target Parent FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
2250               TargetParentId.Cell,  TargetParentId.Volume,
2251               TargetParentId.Vnode, TargetParentId.Unique);
2252     osi_Log2(afsd_logp, "... Target Name=%S Length %u", osi_LogSaveStringW(afsd_logp, TargetFileName), TargetFileNameLength);
2253
2254     *ResultCB = (AFSCommResult *)malloc( size);
2255     if (!(*ResultCB))
2256         return;
2257
2258     memset( *ResultCB,
2259             '\0',
2260             size);
2261
2262     pResultCB = (AFSFileRenameResultCB *)(*ResultCB)->ResultData;
2263
2264     if (SourceFileNameLength == 0 || TargetFileNameLength == 0)
2265     {
2266         osi_Log2(afsd_logp, "RDR_RenameFileEntry Invalid Name Length: src %u target %u",
2267                  SourceFileNameLength, TargetFileNameLength);
2268         (*ResultCB)->ResultStatus = STATUS_INVALID_PARAMETER;
2269         return;
2270     }
2271
2272     SourceParentFid.cell   = SourceParentId.Cell;
2273     SourceParentFid.volume = SourceParentId.Volume;
2274     SourceParentFid.vnode  = SourceParentId.Vnode;
2275     SourceParentFid.unique = SourceParentId.Unique;
2276     SourceParentFid.hash   = SourceParentId.Hash;
2277
2278     TargetParentFid.cell   = TargetParentId.Cell;
2279     TargetParentFid.volume = TargetParentId.Volume;
2280     TargetParentFid.vnode  = TargetParentId.Vnode;
2281     TargetParentFid.unique = TargetParentId.Unique;
2282     TargetParentFid.hash   = TargetParentId.Hash;
2283
2284     code = cm_GetSCache(&SourceParentFid, NULL, &oldDscp, userp, &req);
2285     if (code) {
2286         osi_Log1(afsd_logp, "RDR_RenameFileEntry cm_GetSCache source parent failed code 0x%x", code);
2287         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2288         if ( status == STATUS_INVALID_HANDLE)
2289             status = STATUS_OBJECT_PATH_INVALID;
2290         (*ResultCB)->ResultStatus = status;
2291         return;
2292     }
2293
2294     lock_ObtainWrite(&oldDscp->rw);
2295     code = cm_SyncOp(oldDscp, NULL, userp, &req, 0,
2296                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2297     if (code) {
2298         osi_Log2(afsd_logp, "RDR_RenameFileEntry cm_SyncOp oldDscp 0x%p failed code 0x%x", oldDscp, code);
2299         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2300         if ( status == STATUS_INVALID_HANDLE)
2301             status = STATUS_OBJECT_PATH_INVALID;
2302         (*ResultCB)->ResultStatus = status;
2303         lock_ReleaseWrite(&oldDscp->rw);
2304         cm_ReleaseSCache(oldDscp);
2305         return;
2306     }
2307
2308     cm_SyncOpDone(oldDscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2309     lock_ReleaseWrite(&oldDscp->rw);
2310
2311
2312     if (oldDscp->fileType != CM_SCACHETYPE_DIRECTORY) {
2313         osi_Log1(afsd_logp, "RDR_RenameFileEntry oldDscp 0x%p not a directory", oldDscp);
2314         (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
2315         cm_ReleaseSCache(oldDscp);
2316         return;
2317     }
2318
2319     code = cm_GetSCache(&TargetParentFid, NULL, &newDscp, userp, &req);
2320     if (code) {
2321         osi_Log1(afsd_logp, "RDR_RenameFileEntry cm_GetSCache target parent failed code 0x%x", code);
2322         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2323         (*ResultCB)->ResultStatus = status;
2324         cm_ReleaseSCache(oldDscp);
2325         return;
2326     }
2327
2328     lock_ObtainWrite(&newDscp->rw);
2329     code = cm_SyncOp(newDscp, NULL, userp, &req, 0,
2330                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2331     if (code) {
2332         osi_Log2(afsd_logp, "RDR_RenameFileEntry cm_SyncOp newDscp 0x%p failed code 0x%x", newDscp, code);
2333         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2334         (*ResultCB)->ResultStatus = status;
2335         lock_ReleaseWrite(&newDscp->rw);
2336         cm_ReleaseSCache(oldDscp);
2337         cm_ReleaseSCache(newDscp);
2338         return;
2339     }
2340
2341     cm_SyncOpDone(newDscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2342     lock_ReleaseWrite(&newDscp->rw);
2343
2344
2345     if (newDscp->fileType != CM_SCACHETYPE_DIRECTORY) {
2346         osi_Log1(afsd_logp, "RDR_RenameFileEntry newDscp 0x%p not a directory", newDscp);
2347         (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
2348         cm_ReleaseSCache(oldDscp);
2349         cm_ReleaseSCache(newDscp);
2350         return;
2351     }
2352
2353     /* Obtain the original FID just for debugging purposes */
2354     code = cm_BeginDirOp( oldDscp, userp, &req, CM_DIRLOCK_READ, CM_DIROP_FLAG_NONE, &dirop);
2355     if (code == 0) {
2356         code = cm_BPlusDirLookup(&dirop, SourceFileName, &SourceFid);
2357         code = cm_BPlusDirLookup(&dirop, TargetFileName, &OrigTargetFid);
2358         cm_EndDirOp(&dirop);
2359     }
2360
2361     code = cm_Rename( oldDscp, NULL, SourceFileName,
2362                       newDscp, TargetFileName, userp, &req);
2363     if (code == 0) {
2364         cm_scache_t *scp = 0;
2365         DWORD dwRemaining;
2366
2367         (*ResultCB)->ResultBufferLength = ResultBufferLength;
2368         dwRemaining = ResultBufferLength - sizeof( AFSFileRenameResultCB) + sizeof( AFSDirEnumEntry);
2369         (*ResultCB)->ResultStatus = 0;
2370
2371         pResultCB->SourceParentDataVersion.QuadPart = oldDscp->dataVersion;
2372         pResultCB->TargetParentDataVersion.QuadPart = newDscp->dataVersion;
2373
2374         osi_Log2(afsd_logp, "RDR_RenameFileEntry cm_Rename oldDscp 0x%p newDscp 0x%p SUCCESS",
2375                  oldDscp, newDscp);
2376
2377         code = cm_BeginDirOp( newDscp, userp, &req, CM_DIRLOCK_READ, CM_DIROP_FLAG_NONE, &dirop);
2378         if (code == 0) {
2379             code = cm_BPlusDirLookup(&dirop, TargetFileName, &TargetFid);
2380             cm_EndDirOp(&dirop);
2381         }
2382
2383         if (code != 0) {
2384             osi_Log1(afsd_logp, "RDR_RenameFileEntry cm_BPlusDirLookup failed code 0x%x",
2385                      code);
2386             (*ResultCB)->ResultStatus = STATUS_OBJECT_PATH_INVALID;
2387             cm_ReleaseSCache(oldDscp);
2388             cm_ReleaseSCache(newDscp);
2389             return;
2390         }
2391
2392         osi_Log4(afsd_logp, "RDR_RenameFileEntry Target FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
2393                   TargetFid.cell,  TargetFid.volume,
2394                   TargetFid.vnode, TargetFid.unique);
2395
2396         code = cm_GetSCache(&TargetFid, &newDscp->fid, &scp, userp, &req);
2397         if (code) {
2398             osi_Log1(afsd_logp, "RDR_RenameFileEntry cm_GetSCache target failed code 0x%x", code);
2399             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2400             (*ResultCB)->ResultStatus = status;
2401             cm_ReleaseSCache(oldDscp);
2402             cm_ReleaseSCache(newDscp);
2403             return;
2404         }
2405
2406         /* Make sure the source vnode is current */
2407         lock_ObtainWrite(&scp->rw);
2408         code = cm_SyncOp(scp, NULL, userp, &req, 0,
2409                           CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2410         if (code) {
2411             osi_Log2(afsd_logp, "RDR_RenameFileEntry cm_SyncOp scp 0x%p failed code 0x%x", scp, code);
2412             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2413             (*ResultCB)->ResultStatus = status;
2414             lock_ReleaseWrite(&scp->rw);
2415             cm_ReleaseSCache(oldDscp);
2416             cm_ReleaseSCache(newDscp);
2417             cm_ReleaseSCache(scp);
2418             return;
2419         }
2420
2421         cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2422         lock_ReleaseWrite(&scp->rw);
2423
2424         dfid.vnode = htonl(scp->fid.vnode);
2425         dfid.unique = htonl(scp->fid.unique);
2426
2427         if (!cm_Is8Dot3(TargetFileName))
2428             cm_Gen8Dot3NameIntW(TargetFileName, &dfid, shortName, NULL);
2429         else
2430             shortName[0] = '\0';
2431
2432         RDR_PopulateCurrentEntry(&pResultCB->DirEnum, dwRemaining,
2433                                  newDscp, scp, userp, &req, TargetFileName, shortName,
2434                                  RDR_POP_FOLLOW_MOUNTPOINTS | RDR_POP_EVALUATE_SYMLINKS,
2435                                  0, NULL, &dwRemaining);
2436         (*ResultCB)->ResultBufferLength = ResultBufferLength - dwRemaining;
2437         cm_ReleaseSCache(scp);
2438
2439         osi_Log0(afsd_logp, "RDR_RenameFileEntry SUCCESS");
2440     } else {
2441         osi_Log3(afsd_logp, "RDR_RenameFileEntry cm_Rename oldDscp 0x%p newDscp 0x%p failed code 0x%x",
2442                  oldDscp, newDscp, code);
2443         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2444         (*ResultCB)->ResultStatus = status;
2445         (*ResultCB)->ResultBufferLength = 0;
2446     }
2447
2448     cm_ReleaseSCache(oldDscp);
2449     cm_ReleaseSCache(newDscp);
2450     return;
2451 }
2452
2453 void
2454 RDR_FlushFileEntry( IN cm_user_t *userp,
2455                     IN AFSFileID FileId,
2456                     IN BOOL bWow64,
2457                     IN DWORD ResultBufferLength,
2458                     IN OUT AFSCommResult **ResultCB)
2459 {
2460     cm_scache_t *scp = NULL;
2461     cm_fid_t    Fid;
2462     afs_uint32  code;
2463     cm_req_t    req;
2464     DWORD       status;
2465 #ifdef ODS_DEBUG
2466     char        dbgstr[1024];
2467 #endif
2468
2469     RDR_InitReq(&req);
2470     if ( bWow64 )
2471         req.flags |= CM_REQ_WOW64;
2472
2473     osi_Log4(afsd_logp, "RDR_FlushFileEntry File FID cell 0x%x vol 0x%x vno 0x%x uniq 0x%x",
2474               FileId.Cell, FileId.Volume,
2475               FileId.Vnode, FileId.Unique);
2476 #ifdef ODS_DEBUG
2477     snprintf( dbgstr, 1024,
2478               "RDR_FlushFileEntry File FID cell 0x%x vol 0x%x vno 0x%x uniq 0x%x\n",
2479               FileId.Cell, FileId.Volume,
2480               FileId.Vnode, FileId.Unique);
2481     OutputDebugStringA( dbgstr);
2482 #endif
2483
2484     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult));
2485     if (!(*ResultCB)) {
2486         osi_Log0(afsd_logp, "RDR_FlushFileEntry out of memory");
2487         return;
2488     }
2489
2490     memset( *ResultCB,
2491             '\0',
2492             sizeof( AFSCommResult));
2493
2494     /* Process the release */
2495     Fid.cell = FileId.Cell;
2496     Fid.volume = FileId.Volume;
2497     Fid.vnode = FileId.Vnode;
2498     Fid.unique = FileId.Unique;
2499     Fid.hash = FileId.Hash;
2500
2501     code = cm_GetSCache(&Fid, NULL, &scp, userp, &req);
2502     if (code) {
2503         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2504         (*ResultCB)->ResultStatus = status;
2505         osi_Log2(afsd_logp, "RDR_FlushFileEntry cm_GetSCache FID failure code=0x%x status=0x%x",
2506                   code, status);
2507         return;
2508     }
2509
2510     lock_ObtainWrite(&scp->rw);
2511     if (scp->flags & CM_SCACHEFLAG_DELETED) {
2512         lock_ReleaseWrite(&scp->rw);
2513         (*ResultCB)->ResultStatus = STATUS_INVALID_HANDLE;
2514         return;
2515     }
2516
2517     code = cm_SyncOp(scp, NULL, userp, &req, 0,
2518                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2519     if (code) {
2520         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2521         (*ResultCB)->ResultStatus = status;
2522         lock_ReleaseWrite(&scp->rw);
2523         cm_ReleaseSCache(scp);
2524         osi_Log3(afsd_logp, "RDR_FlushFileEntry cm_SyncOp failure scp=0x%p code=0x%x status=0x%x",
2525                  scp, code, status);
2526         return;
2527     }
2528
2529     cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2530     lock_ReleaseWrite(&scp->rw);
2531
2532     code = cm_FSync(scp, userp, &req, FALSE);
2533     cm_ReleaseSCache(scp);
2534
2535     if (code) {
2536         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2537         (*ResultCB)->ResultStatus = status;
2538         osi_Log2(afsd_logp, "RDR_FlushFileEntry FAILURE code=0x%x status=0x%x",
2539                   code, status);
2540     } else {
2541         (*ResultCB)->ResultStatus = 0;
2542         osi_Log0(afsd_logp, "RDR_FlushFileEntry SUCCESS");
2543     }
2544     (*ResultCB)->ResultBufferLength = 0;
2545
2546     return;
2547 }
2548
2549 afs_uint32
2550 RDR_CheckAccess( IN cm_scache_t *scp, cm_user_t *userp, cm_req_t *reqp,
2551                  ULONG access,
2552                  ULONG *granted)
2553 {
2554     ULONG afs_acc, afs_gr;
2555     BOOLEAN file, dir;
2556     afs_uint32 code = 0;
2557
2558     file = (scp->fileType == CM_SCACHETYPE_FILE);
2559     dir = !file;
2560
2561     /* access definitions from prs_fs.h */
2562     afs_acc = 0;
2563     if (access & FILE_READ_DATA)
2564         afs_acc |= PRSFS_READ;
2565     if (access & FILE_READ_EA || access & FILE_READ_ATTRIBUTES)
2566         afs_acc |= PRSFS_READ;
2567     if (file && ((access & FILE_WRITE_DATA) || (access & FILE_APPEND_DATA)))
2568         afs_acc |= PRSFS_WRITE;
2569     if (access & FILE_WRITE_EA || access & FILE_WRITE_ATTRIBUTES)
2570         afs_acc |= PRSFS_WRITE;
2571     if (dir && ((access & FILE_ADD_FILE) || (access & FILE_ADD_SUBDIRECTORY)))
2572         afs_acc |= PRSFS_INSERT;
2573     if (dir && (access & FILE_LIST_DIRECTORY))
2574         afs_acc |= PRSFS_LOOKUP;
2575     if (file && (access & FILE_EXECUTE))
2576         afs_acc |= PRSFS_WRITE;
2577     if (dir && (access & FILE_TRAVERSE))
2578         afs_acc |= PRSFS_READ;
2579     if (dir && (access & FILE_DELETE_CHILD))
2580         afs_acc |= PRSFS_DELETE;
2581     if ((access & DELETE))
2582         afs_acc |= PRSFS_DELETE;
2583
2584     /* check ACL with server */
2585     lock_ObtainWrite(&scp->rw);
2586     while (1)
2587     {
2588         if (cm_HaveAccessRights(scp, userp, reqp, afs_acc, &afs_gr))
2589         {
2590             break;
2591         }
2592         else
2593         {
2594             /* we don't know the required access rights */
2595             code = cm_GetAccessRights(scp, userp, reqp);
2596             if (code)
2597                 break;
2598             continue;
2599         }
2600     }
2601     lock_ReleaseWrite(&(scp->rw));
2602
2603     if (code == 0) {
2604         *granted = 0;
2605         if (afs_gr & PRSFS_READ)
2606             *granted |= FILE_READ_DATA | FILE_READ_EA | FILE_READ_ATTRIBUTES | FILE_EXECUTE;
2607         if (afs_gr & PRSFS_WRITE)
2608             *granted |= FILE_WRITE_DATA | FILE_APPEND_DATA | FILE_WRITE_EA | FILE_WRITE_ATTRIBUTES | FILE_EXECUTE;
2609         if (afs_gr & PRSFS_INSERT)
2610             *granted |= (dir ? FILE_ADD_FILE | FILE_ADD_SUBDIRECTORY : 0) | (file ? FILE_ADD_SUBDIRECTORY : 0);
2611         if (afs_gr & PRSFS_LOOKUP)
2612             *granted |= (dir ? FILE_LIST_DIRECTORY : 0);
2613         if (afs_gr & PRSFS_DELETE)
2614             *granted |= FILE_DELETE_CHILD | DELETE;
2615         if (afs_gr & PRSFS_LOCK)
2616             *granted |= 0;
2617         if (afs_gr & PRSFS_ADMINISTER)
2618             *granted |= 0;
2619
2620         *granted |= SYNCHRONIZE | READ_CONTROL;
2621
2622         /* don't give more access than what was requested */
2623         *granted &= access;
2624         osi_Log3(afsd_logp, "RDR_CheckAccess SUCCESS scp=0x%p requested=0x%x granted=0x%x", scp, access, *granted);
2625     } else
2626         osi_Log2(afsd_logp, "RDR_CheckAccess FAILURE scp=0x%p code=0x%x",
2627                  scp, code);
2628
2629     return code;
2630 }
2631
2632 void
2633 RDR_OpenFileEntry( IN cm_user_t *userp,
2634                    IN AFSFileID FileId,
2635                    IN AFSFileOpenCB *OpenCB,
2636                    IN BOOL bWow64,
2637                    IN BOOL bHoldFid,
2638                    IN DWORD ResultBufferLength,
2639                    IN OUT AFSCommResult **ResultCB)
2640 {
2641     AFSFileOpenResultCB *pResultCB = NULL;
2642     cm_scache_t *scp = NULL;
2643     cm_user_t   *sysUserp = NULL;
2644     cm_fid_t    Fid;
2645     cm_lock_data_t      *ldp = NULL;
2646     afs_uint32  code;
2647     cm_req_t    req;
2648     DWORD       status;
2649
2650     RDR_InitReq(&req);
2651     if ( bWow64 )
2652         req.flags |= CM_REQ_WOW64;
2653
2654     osi_Log4(afsd_logp, "RDR_OpenFileEntry File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
2655               FileId.Cell, FileId.Volume,
2656               FileId.Vnode, FileId.Unique);
2657
2658     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult) + sizeof( AFSFileOpenResultCB));
2659     if (!(*ResultCB)) {
2660         osi_Log0(afsd_logp, "RDR_OpenFileEntry out of memory");
2661         return;
2662     }
2663
2664     memset( *ResultCB,
2665             '\0',
2666             sizeof( AFSCommResult) + sizeof( AFSFileOpenResultCB));
2667
2668     pResultCB = (AFSFileOpenResultCB *)(*ResultCB)->ResultData;
2669
2670     /* Process the release */
2671     Fid.cell = FileId.Cell;
2672     Fid.volume = FileId.Volume;
2673     Fid.vnode = FileId.Vnode;
2674     Fid.unique = FileId.Unique;
2675     Fid.hash = FileId.Hash;
2676
2677     code = cm_GetSCache(&Fid, NULL, &scp, userp, &req);
2678     if (code) {
2679         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2680         (*ResultCB)->ResultStatus = status;
2681         osi_Log2(afsd_logp, "RDR_OpenFileEntry cm_GetSCache FID failure code=0x%x status=0x%x",
2682                   code, status);
2683         return;
2684     }
2685
2686     lock_ObtainWrite(&scp->rw);
2687     code = cm_SyncOp(scp, NULL, userp, &req, 0,
2688                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2689     if (code) {
2690         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2691         (*ResultCB)->ResultStatus = status;
2692         lock_ReleaseWrite(&scp->rw);
2693         cm_ReleaseSCache(scp);
2694         osi_Log3(afsd_logp, "RDR_OpenFileEntry cm_SyncOp failure scp=0x%p code=0x%x status=0x%x",
2695                  scp, code, status);
2696         return;
2697     }
2698
2699     cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2700     lock_ReleaseWrite(&scp->rw);
2701
2702     sysUserp = RDR_GetLocalSystemUser();
2703
2704     /*
2705      * Skip the open check if the request is coming from the local system account.
2706      * The local system has no tokens and therefore any requests sent to a file
2707      * server will fail.  Unfortunately, there are special system processes that
2708      * perform actions on files and directories in preparation for memory mapping
2709      * executables.  If the open check fails, the real request from the user process
2710      * will never be issued.
2711      *
2712      * Permitting the file system to allow subsequent operations to proceed does
2713      * not compromise security.  All requests to obtain file data or directory
2714      * enumerations will subsequently fail if they are not submitted under the
2715      * context of a process for that have access to the necessary credentials.
2716      */
2717
2718     if ( userp == sysUserp)
2719     {
2720         osi_Log1(afsd_logp, "RDR_OpenFileEntry LOCAL_SYSTEM access check skipped scp=0x%p",
2721                  scp);
2722         pResultCB->GrantedAccess = OpenCB->DesiredAccess;
2723         pResultCB->FileAccess = AFS_FILE_ACCESS_NOLOCK;
2724         code = 0;
2725     }
2726     else
2727     {
2728         int count = 0;
2729
2730         do {
2731             if (count++ > 0) {
2732                 Sleep(350);
2733                 osi_Log3(afsd_logp,
2734                          "RDR_OpenFileEntry repeating open check scp=0x%p userp=0x%p code=0x%x",
2735                          scp, userp, code);
2736             }
2737             code = cm_CheckNTOpen(scp, OpenCB->DesiredAccess, OpenCB->ShareAccess,
2738                                   OPEN_ALWAYS,
2739                                   OpenCB->ProcessId, OpenCB->Identifier,
2740                                   userp, &req, &ldp);
2741             if (code == 0)
2742                 code = RDR_CheckAccess(scp, userp, &req, OpenCB->DesiredAccess, &pResultCB->GrantedAccess);
2743             cm_CheckNTOpenDone(scp, userp, &req, &ldp);
2744         } while (count < 100 && (code == CM_ERROR_RETRY || code == CM_ERROR_WOULDBLOCK));
2745     }
2746
2747     /*
2748      * If we are restricting sharing, we should do so with a suitable
2749      * share lock.
2750      */
2751     if (code == 0 && scp->fileType == CM_SCACHETYPE_FILE && !(OpenCB->ShareAccess & FILE_SHARE_WRITE)) {
2752         cm_key_t key;
2753         LARGE_INTEGER LOffset, LLength;
2754         int sLockType;
2755
2756         LOffset.HighPart = SMB_FID_QLOCK_HIGH;
2757         LOffset.LowPart = SMB_FID_QLOCK_LOW;
2758         LLength.HighPart = 0;
2759         LLength.LowPart = SMB_FID_QLOCK_LENGTH;
2760
2761         /*
2762          * If we are not opening the file for writing, then we don't
2763          * try to get an exclusive lock.  No one else should be able to
2764          * get an exclusive lock on the file anyway, although someone
2765          * else can get a shared lock.
2766          */
2767         if ((OpenCB->ShareAccess & FILE_SHARE_READ) || !(OpenCB->DesiredAccess & AFS_ACCESS_WRITE))
2768         {
2769             sLockType = LOCKING_ANDX_SHARED_LOCK;
2770         } else {
2771             sLockType = 0;
2772         }
2773
2774         key = cm_GenerateKey(CM_SESSION_IFS, SMB_FID_QLOCK_PID, OpenCB->Identifier);
2775
2776         lock_ObtainWrite(&scp->rw);
2777         code = cm_Lock(scp, sLockType, LOffset, LLength, key, 0, userp, &req, NULL);
2778         lock_ReleaseWrite(&scp->rw);
2779
2780         if (code) {
2781             code = CM_ERROR_SHARING_VIOLATION;
2782             pResultCB->FileAccess = AFS_FILE_ACCESS_NOLOCK;
2783         } else {
2784             if (sLockType == LOCKING_ANDX_SHARED_LOCK)
2785                 pResultCB->FileAccess = AFS_FILE_ACCESS_SHARED;
2786             else
2787                 pResultCB->FileAccess = AFS_FILE_ACCESS_EXCLUSIVE;
2788         }
2789     } else {
2790         pResultCB->FileAccess = AFS_FILE_ACCESS_NOLOCK;
2791     }
2792
2793     cm_ReleaseUser(sysUserp);
2794     if (code == 0 && bHoldFid)
2795         RDR_FlagScpInUse( scp, FALSE );
2796     cm_ReleaseSCache(scp);
2797
2798     if (code) {
2799         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2800         (*ResultCB)->ResultStatus = status;
2801         osi_Log2(afsd_logp, "RDR_OpenFileEntry FAILURE code=0x%x status=0x%x",
2802                   code, status);
2803     } else {
2804         (*ResultCB)->ResultStatus = 0;
2805         (*ResultCB)->ResultBufferLength = sizeof( AFSFileOpenResultCB);
2806         osi_Log0(afsd_logp, "RDR_OpenFileEntry SUCCESS");
2807     }
2808     return;
2809 }
2810
2811 void
2812 RDR_ReleaseFileAccess( IN cm_user_t *userp,
2813                        IN AFSFileID FileId,
2814                        IN AFSFileAccessReleaseCB *ReleaseFileCB,
2815                        IN BOOL bWow64,
2816                        IN DWORD ResultBufferLength,
2817                        IN OUT AFSCommResult **ResultCB)
2818 {
2819     cm_key_t key;
2820     unsigned int sLockType;
2821     LARGE_INTEGER LOffset, LLength;
2822     cm_scache_t *scp = NULL;
2823     cm_fid_t    Fid;
2824     afs_uint32  code;
2825     cm_req_t    req;
2826     DWORD       status;
2827
2828     RDR_InitReq(&req);
2829     if ( bWow64 )
2830         req.flags |= CM_REQ_WOW64;
2831
2832     osi_Log4(afsd_logp, "RDR_ReleaseFileAccess File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
2833               FileId.Cell, FileId.Volume,
2834               FileId.Vnode, FileId.Unique);
2835
2836     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult));
2837     if (!(*ResultCB)) {
2838         osi_Log0(afsd_logp, "RDR_ReleaseFileAccess out of memory");
2839         return;
2840     }
2841
2842     memset( *ResultCB, '\0', sizeof( AFSCommResult));
2843
2844     if (ReleaseFileCB->FileAccess == AFS_FILE_ACCESS_NOLOCK)
2845         return;
2846
2847     /* Process the release */
2848     Fid.cell = FileId.Cell;
2849     Fid.volume = FileId.Volume;
2850     Fid.vnode = FileId.Vnode;
2851     Fid.unique = FileId.Unique;
2852     Fid.hash = FileId.Hash;
2853
2854     code = cm_GetSCache(&Fid, NULL, &scp, userp, &req);
2855     if (code) {
2856         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2857         (*ResultCB)->ResultStatus = status;
2858         osi_Log2(afsd_logp, "RDR_ReleaseFileAccess cm_GetSCache FID failure code=0x%x status=0x%x",
2859                   code, status);
2860         return;
2861     }
2862
2863     if (ReleaseFileCB->FileAccess == AFS_FILE_ACCESS_SHARED)
2864         sLockType = LOCKING_ANDX_SHARED_LOCK;
2865     else
2866         sLockType = 0;
2867
2868     key = cm_GenerateKey(CM_SESSION_IFS, SMB_FID_QLOCK_PID, ReleaseFileCB->Identifier);
2869
2870     LOffset.HighPart = SMB_FID_QLOCK_HIGH;
2871     LOffset.LowPart = SMB_FID_QLOCK_LOW;
2872     LLength.HighPart = 0;
2873     LLength.LowPart = SMB_FID_QLOCK_LENGTH;
2874
2875     lock_ObtainWrite(&scp->rw);
2876
2877     code = cm_SyncOp(scp, NULL, userp, &req, 0, CM_SCACHESYNC_LOCK);
2878     if (code == 0)
2879     {
2880         code = cm_Unlock(scp, sLockType, LOffset, LLength, key, 0, userp, &req);
2881
2882         cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_LOCK);
2883
2884         if (code == CM_ERROR_RANGE_NOT_LOCKED)
2885         {
2886             osi_Log3(afsd_logp, "RDR_ReleaseFileAccess Range Not Locked -- FileAccess 0x%x ProcessId 0x%x HandleId 0x%x",
2887                      ReleaseFileCB->FileAccess, ReleaseFileCB->ProcessId, ReleaseFileCB->Identifier);
2888         }
2889     }
2890
2891     lock_ReleaseWrite(&scp->rw);
2892
2893     osi_Log0(afsd_logp, "RDR_ReleaseFileAccessEntry SUCCESS");
2894 }
2895
2896 static const char *
2897 HexCheckSum(unsigned char * buf, int buflen, unsigned char * md5cksum)
2898 {
2899     int i, k;
2900     static char tr[16] = {'0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'};
2901
2902     if (buflen < 33)
2903         return "buffer length too small to HexCheckSum";
2904
2905     for (i=0;i<16;i++) {
2906         k = md5cksum[i];
2907
2908         buf[i*2] = tr[k / 16];
2909         buf[i*2+1] = tr[k % 16];
2910     }
2911     buf[32] = '\0';
2912
2913     return buf;
2914 }
2915
2916 /*
2917  * Extent requests from the file system are triggered when a file
2918  * page is not resident in the Windows cache.  The file system is
2919  * responsible for loading the page but cannot block the request
2920  * while doing so.  The AFS Redirector forwards the requests to
2921  * the AFS cache manager while indicating to Windows that the page
2922  * is not yet available.  A polling operation will then ensue with
2923  * the AFS Redirector issuing a RDR_RequestFileExtentsXXX call for
2924  * each poll attempt.  As each request is received and processed
2925  * by a separate worker thread in the service, this can lead to
2926  * contention by multiple threads attempting to claim the same
2927  * cm_buf_t objects.  Therefore, it is important that
2928  *
2929  *  (a) the service avoid processing more than one overlapping
2930  *      extent request at a time
2931  *  (b) background daemon processing be used to avoid blocking
2932  *      of ioctl threads
2933  *
2934  * Beginning with the 20091122 build of the redirector, the redirector
2935  * will not issue an additional RDR_RequestFileExtentsXXX call for
2936  * each poll request.  Instead, afsd_service is required to track
2937  * the requests and return them to the redirector or fail the
2938  * portions of the request that cannot be satisfied.
2939  *
2940  * The request processing returns any extents that can be returned
2941  * immediately to the redirector.  The rest of the requested range(s)
2942  * are queued as background operations using RDR_BkgFetch().
2943  */
2944
2945 /* do the background fetch. */
2946 afs_int32
2947 RDR_BkgFetch(cm_scache_t *scp, afs_uint32 p1, afs_uint32 p2, afs_uint32 p3, afs_uint32 p4,
2948              cm_user_t *userp, cm_req_t *reqp)
2949 {
2950     osi_hyper_t length;
2951     osi_hyper_t base;
2952     osi_hyper_t offset;
2953     osi_hyper_t end;
2954     osi_hyper_t fetched;
2955     osi_hyper_t tblocksize;
2956     afs_int32 code;
2957     int rwheld = 0;
2958     cm_buf_t *bufp = NULL;
2959     DWORD dwResultBufferLength;
2960     AFSSetFileExtentsCB *pResultCB;
2961     DWORD status;
2962     afs_uint32 count=0;
2963     AFSFileID FileId;
2964     int reportErrorToRedir = 0;
2965     int force_retry = 0;
2966
2967     FileId.Cell = scp->fid.cell;
2968     FileId.Volume = scp->fid.volume;
2969     FileId.Vnode = scp->fid.vnode;
2970     FileId.Unique = scp->fid.unique;
2971     FileId.Hash = scp->fid.hash;
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 (LargeIntegerGreaterThanOrEqualTo(bufp->offset, minLength)) {
3298                     if (!bHaveBuffer) {
3299                         memset(bufp->datap, 0, cm_data.buf_blockSize);
3300                         bufp->dataVersion = scp->dataVersion;
3301                         bHaveBuffer = TRUE;
3302                     }
3303                     else if (bufp->dataVersion == CM_BUF_VERSION_BAD) {
3304                         bufp->dataVersion = scp->dataVersion;
3305                     }
3306                 }
3307                 else if ((RequestExtentsCB->Flags & AFS_EXTENT_FLAG_CLEAN) &&
3308                          ByteOffset.QuadPart <= bufp->offset.QuadPart &&
3309                          EndOffset.QuadPart >= bufp->offset.QuadPart + cm_data.blockSize)
3310                 {
3311                     memset(bufp->datap, 0, cm_data.blockSize);
3312                     bufp->dataVersion = scp->dataVersion;
3313                     buf_SetDirty(bufp, &req, 0, cm_data.blockSize, userp);
3314                     bHaveBuffer = TRUE;
3315                 }
3316                 lock_ReleaseRead(&scp->rw);
3317             }
3318
3319             /*
3320              * if this buffer is already up to date, skip it.
3321              */
3322             if (bHaveBuffer) {
3323                 if (ByteOffset.QuadPart == BeginOffset.QuadPart) {
3324                     BeginOffset.QuadPart += cm_data.blockSize;
3325                 } else {
3326                     QueueLength = (afs_uint32)(ByteOffset.QuadPart - BeginOffset.QuadPart);
3327                     QueueOffset = BeginOffset;
3328                     BeginOffset = ByteOffset;
3329                 }
3330
3331                 if (!(bufp->qFlags & CM_BUF_QREDIR)) {