Windows: memset in RDR_RequestFileExtentsAsync
[openafs.git] / src / WINNT / afsrdr / user / RDRFunction.c
1 /*
2  * Copyright (c) 2008 Secure Endpoints, Inc.
3  * Copyright (c) 2009-2011 Your File System, Inc.
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions are met:
8  *
9  * - Redistributions of source code must retain the above copyright notice,
10  *   this list of conditions and the following disclaimer.
11  * - Redistributions in binary form must reproduce the above copyright notice,
12  *   this list of conditions and the following disclaimer in the documentation
13  *   and/or other materials provided with the distribution.
14  * - Neither the name of Secure Endpoints Inc. nor the names of its contributors
15  *   may be used to endorse or promote products derived from this software without
16  *   specific prior written permission from Secure Endpoints, Inc. and
17  *   Your File System, Inc.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
20  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
22  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
23  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
24  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
25  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
26  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
27  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
28  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
29  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30  */
31
32 #include <afsconfig.h>
33 #include <afs/param.h>
34
35 #ifndef _WIN32_WINNT
36 #define _WIN32_WINNT 0x0500
37 #endif
38 #define _CRT_SECURE_NO_DEPRECATE
39 #define _CRT_NON_CONFORMING_SWPRINTFS
40 #define INITGUID        /* define AFS_AUTH_GUID_NO_PAG */
41
42 #include <ntstatus.h>
43 #define WIN32_NO_STATUS
44 #include <windows.h>
45
46 #include <roken.h>
47
48 #include <afs/stds.h>
49
50 #include <ntsecapi.h>
51 #include <sddl.h>
52 #pragma warning(push)
53 #pragma warning(disable: 4005)
54
55 #include <devioctl.h>
56
57 #include "..\\Common\\AFSUserDefines.h"
58 #include "..\\Common\\AFSUserStructs.h"
59
60 #pragma warning(pop)
61
62 #include <tchar.h>
63 #include <wchar.h>
64 #include <winbase.h>
65 #include <winreg.h>
66
67 #include <stdio.h>
68 #include <stdlib.h>
69 #include <stdarg.h>
70 #include <strsafe.h>
71
72 #include "afsd.h"
73 #include "smb.h"
74 #include "cm_btree.h"
75 #include "msrpc.h"
76 #include <RDRPrototypes.h>
77 #include <RDRIoctl.h>
78 #include <RDRPipe.h>
79
80 static CHAR * RDR_extentBaseAddress = NULL;
81
82 void
83 RDR_InitReq(cm_req_t *reqp)
84 {
85     cm_InitReq(reqp);
86     reqp->flags |= CM_REQ_SOURCE_REDIR;
87 }
88
89 void
90 RDR_fid2FID( cm_fid_t *fid, AFSFileID *FileId)
91 {
92     FileId->Cell = fid->cell;
93     FileId->Volume = fid->volume;
94     FileId->Vnode = fid->vnode;
95     FileId->Unique = fid->unique;
96     FileId->Hash = fid->hash;
97 }
98
99 void
100 RDR_FID2fid( AFSFileID *FileId, cm_fid_t *fid)
101 {
102     fid->cell = FileId->Cell;
103     fid->volume = FileId->Volume;
104     fid->vnode = FileId->Vnode;
105     fid->unique = FileId->Unique;
106     fid->hash = FileId->Hash;
107 }
108
109 DWORD
110 RDR_SetInitParams( OUT AFSRedirectorInitInfo **ppRedirInitInfo, OUT DWORD * pRedirInitInfoLen )
111 {
112     extern char cm_CachePath[];
113     extern cm_config_data_t cm_data;
114     extern int smb_hideDotFiles;
115     size_t cm_CachePathLen = strlen(cm_CachePath);
116     size_t err;
117     DWORD TempPathLen = ExpandEnvironmentStringsW(L"%TEMP%", NULL, 0);
118     MEMORYSTATUSEX memStatus;
119     DWORD maxMemoryCacheSize;
120
121     memStatus.dwLength = sizeof(memStatus);
122     if (GlobalMemoryStatusEx(&memStatus)) {
123         /*
124          * Use the memory extent interface in the afs redirector
125          * whenever the cache size is less than equal to 10% of
126          * physical memory.  Do not use too much because this memory
127          * will be locked by the redirector so it can't be swapped
128          * out.
129          */
130         maxMemoryCacheSize = (DWORD)(memStatus.ullTotalPhys / 1024 / 10);
131     } else {
132         /*
133          * If we can't determine the amount of physical memory
134          * in the system, be conservative and limit the use of
135          * memory extent interface to 64MB data caches.
136          */
137         maxMemoryCacheSize = 65536;
138     }
139
140     *pRedirInitInfoLen = (DWORD) (sizeof(AFSRedirectorInitInfo) + (cm_CachePathLen + TempPathLen) * sizeof(WCHAR));
141     *ppRedirInitInfo = (AFSRedirectorInitInfo *)malloc(*pRedirInitInfoLen);
142     (*ppRedirInitInfo)->Flags = smb_hideDotFiles ? AFS_REDIR_INIT_FLAG_HIDE_DOT_FILES : 0;
143     (*ppRedirInitInfo)->MaximumChunkLength = cm_data.chunkSize;
144     (*ppRedirInitInfo)->GlobalFileId.Cell   = cm_data.rootFid.cell;
145     (*ppRedirInitInfo)->GlobalFileId.Volume = cm_data.rootFid.volume;
146     (*ppRedirInitInfo)->GlobalFileId.Vnode  = cm_data.rootFid.vnode;
147     (*ppRedirInitInfo)->GlobalFileId.Unique = cm_data.rootFid.unique;
148     (*ppRedirInitInfo)->GlobalFileId.Hash   = cm_data.rootFid.hash;
149     (*ppRedirInitInfo)->ExtentCount.QuadPart = cm_data.buf_nbuffers;
150     (*ppRedirInitInfo)->CacheBlockSize = cm_data.blockSize;
151     (*ppRedirInitInfo)->MaxPathLinkCount = 512; /* this needs to become a registry value */
152     (*ppRedirInitInfo)->NameArrayLength = 32;   /* this needs to become a registry value */
153     if (cm_virtualCache || cm_data.bufferSize <= maxMemoryCacheSize) {
154         osi_Log0(afsd_logp, "RDR_SetInitParams Initializing Memory Extent Interface");
155         (*ppRedirInitInfo)->MemoryCacheOffset.QuadPart = (LONGLONG)cm_data.bufDataBaseAddress;
156         (*ppRedirInitInfo)->MemoryCacheLength.QuadPart = cm_data.bufEndOfData - cm_data.bufDataBaseAddress;
157         (*ppRedirInitInfo)->CacheFileNameLength = 0;
158         RDR_extentBaseAddress = cm_data.bufDataBaseAddress;
159     } else {
160         (*ppRedirInitInfo)->MemoryCacheOffset.QuadPart = 0;
161         (*ppRedirInitInfo)->MemoryCacheLength.QuadPart = 0;
162         (*ppRedirInitInfo)->CacheFileNameLength = (ULONG) (cm_CachePathLen * sizeof(WCHAR));
163         err = mbstowcs((*ppRedirInitInfo)->CacheFileName, cm_CachePath, (cm_CachePathLen + 1) *sizeof(WCHAR));
164         if (err == -1) {
165             free(*ppRedirInitInfo);
166             osi_Log0(afsd_logp, "RDR_SetInitParams Invalid Object Name");
167             return STATUS_OBJECT_NAME_INVALID;
168         }
169         RDR_extentBaseAddress = cm_data.baseAddress;
170     }
171     (*ppRedirInitInfo)->DumpFileLocationOffset = FIELD_OFFSET(AFSRedirectorInitInfo, CacheFileName) + (*ppRedirInitInfo)->CacheFileNameLength;
172     (*ppRedirInitInfo)->DumpFileLocationLength = (TempPathLen - 1) * sizeof(WCHAR);
173     ExpandEnvironmentStringsW(L"%TEMP%",
174                               (LPWSTR)(((PBYTE)(*ppRedirInitInfo)) + (*ppRedirInitInfo)->DumpFileLocationOffset),
175                               TempPathLen);
176
177     osi_Log0(afsd_logp,"RDR_SetInitParams Success");
178     return 0;
179 }
180
181 cm_user_t *
182 RDR_GetLocalSystemUser( void)
183 {
184     smb_username_t *unp;
185     cm_user_t *userp = NULL;
186     wchar_t cname[MAX_COMPUTERNAME_LENGTH+1];
187     int cnamelen = MAX_COMPUTERNAME_LENGTH+1;
188
189     GetComputerNameW(cname, &cnamelen);
190     _wcsupr(cname);
191
192     unp = smb_FindUserByName(NTSID_LOCAL_SYSTEM, cname, SMB_FLAG_CREATE);
193     lock_ObtainMutex(&unp->mx);
194     if (!unp->userp)
195         unp->userp = cm_NewUser();
196     unp->flags |= SMB_USERNAMEFLAG_SID;
197     lock_ReleaseMutex(&unp->mx);
198     userp = unp->userp;
199     cm_HoldUser(userp);
200     smb_ReleaseUsername(unp);
201
202     if (!userp) {
203         userp = cm_rootUserp;
204         cm_HoldUser(userp);
205     }
206
207     return userp;
208 }
209
210 cm_user_t *
211 RDR_UserFromCommRequest( IN AFSCommRequest *RequestBuffer)
212 {
213
214     return RDR_UserFromAuthGroup( &RequestBuffer->AuthGroup);
215 }
216
217 cm_user_t *
218 RDR_UserFromAuthGroup( IN GUID *pGuid)
219 {
220     smb_username_t *unp;
221     cm_user_t * userp = NULL;
222     RPC_WSTR UuidString = NULL;
223     wchar_t cname[MAX_COMPUTERNAME_LENGTH+1];
224     int cnamelen = MAX_COMPUTERNAME_LENGTH+1;
225
226     if (UuidToStringW((UUID *)pGuid, &UuidString) != RPC_S_OK)
227         goto done;
228
229     GetComputerNameW(cname, &cnamelen);
230     _wcsupr(cname);
231
232     unp = smb_FindUserByName(UuidString, cname, SMB_FLAG_CREATE);
233     lock_ObtainMutex(&unp->mx);
234     if (!unp->userp)
235         unp->userp = cm_NewUser();
236     unp->flags |= SMB_USERNAMEFLAG_SID;
237     lock_ReleaseMutex(&unp->mx);
238     userp = unp->userp;
239     cm_HoldUser(userp);
240     smb_ReleaseUsername(unp);
241
242   done:
243     if (!userp) {
244         userp = cm_rootUserp;
245         cm_HoldUser(userp);
246     }
247
248     osi_Log2(afsd_logp, "RDR_UserFromCommRequest Guid %S userp = 0x%p",
249              osi_LogSaveStringW(afsd_logp, UuidString),
250              userp);
251
252     if (UuidString)
253         RpcStringFreeW(&UuidString);
254
255     return userp;
256 }
257
258 void
259 RDR_ReleaseUser( IN cm_user_t *userp )
260 {
261     osi_Log1(afsd_logp, "RDR_ReleaseUser userp = 0x%p", userp);
262     cm_ReleaseUser(userp);
263 }
264
265
266 /*
267  * RDR_FlagScpInUse flags the scp with CM_SCACHEFLAG_RDR_IN_USE
268  */
269 static void
270 RDR_FlagScpInUse( IN cm_scache_t *scp, IN BOOL bLocked )
271 {
272     if (!bLocked)
273         lock_ObtainWrite(&scp->rw);
274
275     lock_AssertWrite(&scp->rw);
276     scp->flags |= CM_SCACHEFLAG_RDR_IN_USE;
277
278     if (!bLocked)
279         lock_ReleaseWrite(&scp->rw);
280 }
281
282 /*
283  * Obtain the status information for the specified object and
284  *
285  */
286 static afs_uint32
287 RDR_BulkStatLookup( cm_scache_t *dscp,
288                     cm_scache_t *scp,
289                     cm_user_t   *userp,
290                     cm_req_t    *reqp)
291 {
292     cm_direnum_t *      enump = NULL;
293     afs_uint32  code = 0;
294     cm_dirOp_t    dirop;
295
296     code = cm_BeginDirOp(dscp, userp, reqp, CM_DIRLOCK_READ, CM_DIROP_FLAG_NONE, &dirop);
297     if (code == 0) {
298         code = cm_BPlusDirEnumerate(dscp, userp, reqp, TRUE, NULL, TRUE, &enump);
299         if (code) {
300             osi_Log1(afsd_logp, "RDR_BulkStatLookup cm_BPlusDirEnumerate failure code=0x%x",
301                       code);
302         }
303         cm_EndDirOp(&dirop);
304     } else {
305         osi_Log1(afsd_logp, "RDR_BulkStatLookup cm_BeginDirOp failure code=0x%x",
306                   code);
307     }
308
309
310     if (enump)
311     {
312         code = cm_BPlusDirEnumBulkStatOne(enump, scp);
313         if (code) {
314             osi_Log1(afsd_logp, "RDR_BulkStatLookup cm_BPlusDirEnumBulkStatOne failure code=0x%x",
315                       code);
316         }
317         cm_BPlusDirFreeEnumeration(enump);
318     }
319
320     return code;
321 }
322
323
324 #define RDR_POP_FOLLOW_MOUNTPOINTS 0x01
325 #define RDR_POP_EVALUATE_SYMLINKS  0x02
326 #define RDR_POP_WOW64              0x04
327 #define RDR_POP_NO_GETSTATUS       0x08
328
329 afs_uint32
330 RDR_PopulateCurrentEntry( IN  AFSDirEnumEntry * pCurrentEntry,
331                           IN  DWORD             dwMaxEntryLength,
332                           IN  cm_scache_t     * dscp,
333                           IN  cm_scache_t     * scp,
334                           IN  cm_user_t       * userp,
335                           IN  cm_req_t        * reqp,
336                           IN  wchar_t         * name,
337                           IN  wchar_t         * shortName,
338                           IN  DWORD             dwFlags,
339                           OUT AFSDirEnumEntry **ppNextEntry,
340                           OUT DWORD           * pdwRemainingLength)
341 {
342     FILETIME ft;
343     WCHAR *  wname, *wtarget;
344     size_t   len;
345     DWORD      dwEntryLength;
346     afs_uint32 code = 0, code2 = 0;
347     BOOL          bMustFake = FALSE;
348
349     osi_Log5(afsd_logp, "RDR_PopulateCurrentEntry dscp=0x%p scp=0x%p name=%S short=%S flags=0x%x",
350              dscp, scp, osi_LogSaveStringW(afsd_logp, name),
351              osi_LogSaveStringW(afsd_logp, shortName), dwFlags);
352     osi_Log1(afsd_logp, "... maxLength=%d", dwMaxEntryLength);
353
354     if (dwMaxEntryLength < sizeof(AFSDirEnumEntry) + (MAX_PATH + MOUNTPOINTLEN) * sizeof(wchar_t)) {
355         if (ppNextEntry)
356             *ppNextEntry = pCurrentEntry;
357         if (pdwRemainingLength)
358             *pdwRemainingLength = dwMaxEntryLength;
359         osi_Log2(afsd_logp, "RDR_PopulateCurrentEntry Not Enough Room for Entry %d < %d",
360                  dwMaxEntryLength, sizeof(AFSDirEnumEntry) + (MAX_PATH + MOUNTPOINTLEN) * sizeof(wchar_t));
361         return CM_ERROR_TOOBIG;
362     }
363
364     if (!name)
365         name = L"";
366     if (!shortName)
367         shortName = L"";
368
369     dwEntryLength = sizeof(AFSDirEnumEntry);
370
371     lock_ObtainWrite(&scp->rw);
372     if (dwFlags & RDR_POP_NO_GETSTATUS) {
373         if (!cm_HaveCallback(scp))
374             bMustFake = TRUE;
375     } else {
376 #ifdef AFS_FREELANCE_CLIENT
377         if (scp->fid.cell == AFS_FAKE_ROOT_CELL_ID && scp->fid.volume == AFS_FAKE_ROOT_VOL_ID) {
378             /*
379              * If the FID is from the Freelance Local Root always perform
380              * a single item status check.
381              */
382             code = cm_SyncOp( scp, NULL, userp, reqp, 0,
383                               CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
384             if (code) {
385                 lock_ReleaseWrite(&scp->rw);
386                 osi_Log2(afsd_logp, "RDR_PopulateCurrentEntry cm_SyncOp failed for scp=0x%p code=0x%x",
387                          scp, code);
388                 return code;
389             }
390         } else
391 #endif
392         {
393             /*
394              * For non-Freelance objects, check to see if we have current
395              * status information.  If not, perform a bulk status lookup of multiple
396              * entries in order to reduce the number of RPCs issued to the file server.
397              */
398             if ((scp->flags & CM_SCACHEFLAG_EACCESS))
399                 bMustFake = TRUE;
400             else if (!cm_HaveCallback(scp)) {
401                 lock_ReleaseWrite(&scp->rw);
402                 code = RDR_BulkStatLookup(dscp, scp, userp, reqp);
403                 if (code) {
404                     osi_Log2(afsd_logp, "RDR_PopulateCurrentEntry RXR_BulkStatLookup failed for scp=0x%p code=0x%x",
405                              scp, code);
406                     return code;
407                 }
408                 lock_ObtainWrite(&scp->rw);
409                 /*
410                  * RDR_BulkStatLookup can succeed but it may be the case that there
411                  * still is not valid status info.  If we get this far, generate fake
412                  * status info.
413                  */
414                 if (!cm_HaveCallback(scp))
415                     bMustFake = TRUE;
416             }
417         }
418
419     }
420
421     /* Populate the real or fake data */
422     pCurrentEntry->FileId.Cell = scp->fid.cell;
423     pCurrentEntry->FileId.Volume = scp->fid.volume;
424     pCurrentEntry->FileId.Vnode = scp->fid.vnode;
425     pCurrentEntry->FileId.Unique = scp->fid.unique;
426     pCurrentEntry->FileId.Hash = scp->fid.hash;
427
428     pCurrentEntry->FileType = scp->fileType;
429
430     pCurrentEntry->DataVersion.QuadPart = scp->dataVersion;
431
432     if (scp->fid.cell==AFS_FAKE_ROOT_CELL_ID &&
433         scp->fid.volume==AFS_FAKE_ROOT_VOL_ID) {
434         cm_LargeSearchTimeFromUnixTime(&ft, MAX_AFS_UINT32);
435     } else {
436         cm_LargeSearchTimeFromUnixTime(&ft, scp->cbExpires);
437     }
438     pCurrentEntry->Expiration.LowPart = ft.dwLowDateTime;
439     pCurrentEntry->Expiration.HighPart = ft.dwHighDateTime;
440
441     if (bMustFake) {
442         /* 1969-12-31 23:59:59 +00 */
443         ft.dwHighDateTime = 0x19DB200;
444         ft.dwLowDateTime = 0x5BB78980;
445     } else
446         cm_LargeSearchTimeFromUnixTime(&ft, scp->clientModTime);
447     pCurrentEntry->CreationTime.LowPart = ft.dwLowDateTime;
448     pCurrentEntry->CreationTime.HighPart = ft.dwHighDateTime;
449     pCurrentEntry->LastAccessTime = pCurrentEntry->CreationTime;
450     pCurrentEntry->LastWriteTime = pCurrentEntry->CreationTime;
451     pCurrentEntry->ChangeTime = pCurrentEntry->CreationTime;
452
453     pCurrentEntry->EndOfFile = scp->length;
454     pCurrentEntry->AllocationSize = scp->length;
455
456     if (bMustFake) {
457         switch (scp->fileType) {
458         case CM_SCACHETYPE_DIRECTORY:
459             pCurrentEntry->FileAttributes = SMB_ATTR_DIRECTORY;
460             break;
461         case CM_SCACHETYPE_MOUNTPOINT:
462         case CM_SCACHETYPE_INVALID:
463             pCurrentEntry->FileAttributes = SMB_ATTR_DIRECTORY | SMB_ATTR_REPARSE_POINT;
464             break;
465         case CM_SCACHETYPE_SYMLINK:
466             if (cm_TargetPerceivedAsDirectory(scp->mountPointStringp))
467                 pCurrentEntry->FileAttributes = SMB_ATTR_DIRECTORY | SMB_ATTR_REPARSE_POINT;
468             else
469                 pCurrentEntry->FileAttributes = SMB_ATTR_REPARSE_POINT;
470             break;
471         default:
472             /* if we get here we either have a normal file
473             * or we have a file for which we have never
474             * received status info.  In this case, we can
475             * check the even/odd value of the entry's vnode.
476             * odd means it is to be treated as a directory
477             * and even means it is to be treated as a file.
478             */
479             if (scp->fid.vnode & 0x1)
480                 pCurrentEntry->FileAttributes = SMB_ATTR_DIRECTORY;
481             else
482                 pCurrentEntry->FileAttributes = SMB_ATTR_NORMAL;
483         }
484     } else
485         pCurrentEntry->FileAttributes = smb_ExtAttributes(scp);
486     pCurrentEntry->EaSize = 0;
487     pCurrentEntry->Links = scp->linkCount;
488
489     len = wcslen(shortName);
490     wcsncpy(pCurrentEntry->ShortName, shortName, len);
491     pCurrentEntry->ShortNameLength = (CCHAR)(len * sizeof(WCHAR));
492
493     pCurrentEntry->FileNameOffset = sizeof(AFSDirEnumEntry);
494     len = wcslen(name);
495     wname = (WCHAR *)((PBYTE)pCurrentEntry + pCurrentEntry->FileNameOffset);
496     wcsncpy(wname, name, len);
497     pCurrentEntry->FileNameLength = (ULONG)(sizeof(WCHAR) * len);
498
499     osi_Log2(afsd_logp, "RDR_PopulateCurrentEntry scp=0x%p fileType=%d",
500               scp, scp->fileType);
501
502     if (!(dwFlags & RDR_POP_NO_GETSTATUS))
503         cm_SyncOpDone( scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
504
505     if ((dwFlags & RDR_POP_NO_GETSTATUS) || !cm_HaveCallback(scp)) {
506         pCurrentEntry->TargetNameOffset = 0;
507         pCurrentEntry->TargetNameLength = 0;
508     }
509     else
510     switch (scp->fileType) {
511     case CM_SCACHETYPE_MOUNTPOINT:
512         if (dwFlags & RDR_POP_FOLLOW_MOUNTPOINTS) {
513             if ((code2 = cm_ReadMountPoint(scp, userp, reqp)) == 0) {
514                 cm_scache_t *targetScp = NULL;
515
516                 pCurrentEntry->TargetNameOffset = pCurrentEntry->FileNameOffset + pCurrentEntry->FileNameLength;
517                 len = strlen(scp->mountPointStringp);
518                 wtarget = (WCHAR *)((PBYTE)pCurrentEntry + pCurrentEntry->TargetNameOffset);
519
520 #ifdef UNICODE
521                 cch = MultiByteToWideChar( CP_UTF8, 0, scp->mountPointStringp,
522                                            len * sizeof(char),
523                                            wtarget,
524                                            len * sizeof(WCHAR));
525 #else
526                 mbstowcs(wtarget, scp->mountPointStringp, len);
527 #endif
528                 pCurrentEntry->TargetNameLength = (ULONG)(sizeof(WCHAR) * len);
529
530                 code2 = cm_FollowMountPoint(scp, dscp, userp, reqp, &targetScp);
531
532                 if (code2 == 0) {
533                     pCurrentEntry->TargetFileId.Cell = targetScp->fid.cell;
534                     pCurrentEntry->TargetFileId.Volume = targetScp->fid.volume;
535                     pCurrentEntry->TargetFileId.Vnode = targetScp->fid.vnode;
536                     pCurrentEntry->TargetFileId.Unique = targetScp->fid.unique;
537                     pCurrentEntry->TargetFileId.Hash = targetScp->fid.hash;
538
539                     osi_Log4(afsd_logp, "RDR_PopulateCurrentEntry target FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
540                               pCurrentEntry->TargetFileId.Cell, pCurrentEntry->TargetFileId.Volume,
541                               pCurrentEntry->TargetFileId.Vnode, pCurrentEntry->TargetFileId.Unique);
542
543                     cm_ReleaseSCache(targetScp);
544                 } else {
545                     osi_Log2(afsd_logp, "RDR_PopulateCurrentEntry cm_FollowMountPoint failed scp=0x%p code=0x%x",
546                               scp, code2);
547                 }
548             } else {
549                 osi_Log2(afsd_logp, "RDR_PopulateCurrentEntry cm_ReadMountPoint failed scp=0x%p code=0x%x",
550                           scp, code2);
551             }
552         }
553         break;
554     case CM_SCACHETYPE_SYMLINK:
555     case CM_SCACHETYPE_DFSLINK:
556         {
557             pCurrentEntry->TargetNameOffset = pCurrentEntry->FileNameOffset + pCurrentEntry->FileNameLength;
558             wtarget = (WCHAR *)((PBYTE)pCurrentEntry + pCurrentEntry->TargetNameOffset);
559
560             if (dwFlags & RDR_POP_EVALUATE_SYMLINKS) {
561                 char * mp;
562
563                 code2 = cm_HandleLink(scp, userp, reqp);
564                 if (code2 == 0) {
565                     mp = scp->mountPointStringp;
566                     len = strlen(mp);
567                     if ( len != 0 ) {
568                         /* Strip off the msdfs: prefix from the target name for the file system */
569                         if (scp->fileType == CM_SCACHETYPE_DFSLINK) {
570                             osi_Log0(afsd_logp, "RDR_PopulateCurrentEntry DFSLink Detected");
571                             pCurrentEntry->FileType = scp->fileType;
572
573                             if (!strncmp("msdfs:", mp, 6)) {
574                                 mp += 6;
575                                 len -= 6;
576                             }
577                         }
578                         /* only send one slash to the redirector */
579                         if (mp[0] == '\\' && mp[1] == '\\') {
580                             mp++;
581                             len--;
582                         }
583 #ifdef UNICODE
584                         cch = MultiByteToWideChar( CP_UTF8, 0, mp,
585                                                    len * sizeof(char),
586                                                    wtarget,
587                                                    len * sizeof(WCHAR));
588 #else
589                         mbstowcs(wtarget, mp, len);
590 #endif
591                     }
592                     pCurrentEntry->TargetNameLength = (ULONG)(sizeof(WCHAR) * len);
593                 } else {
594                     osi_Log2(afsd_logp, "RDR_PopulateCurrentEntry cm_HandleLink failed scp=0x%p code=0x%x",
595                              scp, code2);
596                 }
597             }
598
599         }
600         break;
601
602     default:
603         pCurrentEntry->TargetNameOffset = 0;
604         pCurrentEntry->TargetNameLength = 0;
605     }
606     lock_ReleaseWrite(&scp->rw);
607
608     dwEntryLength += pCurrentEntry->FileNameLength + pCurrentEntry->TargetNameLength;
609     dwEntryLength += (dwEntryLength % 8) ? 8 - (dwEntryLength % 8) : 0;   /* quad align */
610     if (ppNextEntry)
611         *ppNextEntry = (AFSDirEnumEntry *)((PBYTE)pCurrentEntry + dwEntryLength);
612     if (pdwRemainingLength)
613         *pdwRemainingLength = dwMaxEntryLength - dwEntryLength;
614
615     osi_Log3(afsd_logp, "RDR_PopulateCurrentEntry Success FileNameLength=%d TargetNameLength=%d RemainingLength=%d",
616               pCurrentEntry->FileNameLength, pCurrentEntry->TargetNameLength, *pdwRemainingLength);
617
618     return code;
619 }
620
621 afs_uint32
622 RDR_PopulateCurrentEntryNoScp( IN  AFSDirEnumEntry * pCurrentEntry,
623                                IN  DWORD             dwMaxEntryLength,
624                                IN  cm_scache_t     * dscp,
625                                IN  cm_fid_t        * fidp,
626                                IN  cm_user_t       * userp,
627                                IN  cm_req_t        * reqp,
628                                IN  wchar_t         * name,
629                                IN  wchar_t         * shortName,
630                                IN  DWORD             dwFlags,
631                                OUT AFSDirEnumEntry **ppNextEntry,
632                                OUT DWORD           * pdwRemainingLength)
633 {
634     FILETIME ft;
635     WCHAR *  wname;
636     size_t   len;
637     DWORD      dwEntryLength;
638     afs_uint32 code = 0, code2 = 0;
639
640     osi_Log4(afsd_logp, "RDR_PopulateCurrentEntryNoEntry dscp=0x%p name=%S short=%S flags=0x%x",
641              dscp, osi_LogSaveStringW(afsd_logp, name),
642              osi_LogSaveStringW(afsd_logp, shortName), dwFlags);
643     osi_Log1(afsd_logp, "... maxLength=%d", dwMaxEntryLength);
644
645     if (dwMaxEntryLength < sizeof(AFSDirEnumEntry) + (MAX_PATH + MOUNTPOINTLEN) * sizeof(wchar_t)) {
646         if (ppNextEntry)
647             *ppNextEntry = pCurrentEntry;
648         if (pdwRemainingLength)
649             *pdwRemainingLength = dwMaxEntryLength;
650         osi_Log2(afsd_logp, "RDR_PopulateCurrentEntryNoEntry Not Enough Room for Entry %d < %d",
651                  dwMaxEntryLength, sizeof(AFSDirEnumEntry) + (MAX_PATH + MOUNTPOINTLEN) * sizeof(wchar_t));
652         return CM_ERROR_TOOBIG;
653     }
654
655     if (!name)
656         name = L"";
657     if (!shortName)
658         shortName = L"";
659
660     dwEntryLength = sizeof(AFSDirEnumEntry);
661
662     pCurrentEntry->FileId.Cell = fidp->cell;
663     pCurrentEntry->FileId.Volume = fidp->volume;
664     pCurrentEntry->FileId.Vnode = fidp->vnode;
665     pCurrentEntry->FileId.Unique = fidp->unique;
666     pCurrentEntry->FileId.Hash = fidp->hash;
667
668     pCurrentEntry->FileType = CM_SCACHETYPE_UNKNOWN;
669
670     pCurrentEntry->DataVersion.QuadPart = CM_SCACHE_VERSION_BAD;
671
672     cm_LargeSearchTimeFromUnixTime(&ft, 0);
673     pCurrentEntry->Expiration.LowPart = ft.dwLowDateTime;
674     pCurrentEntry->Expiration.HighPart = ft.dwHighDateTime;
675
676     cm_LargeSearchTimeFromUnixTime(&ft, 0);
677     pCurrentEntry->CreationTime.LowPart = ft.dwLowDateTime;
678     pCurrentEntry->CreationTime.HighPart = ft.dwHighDateTime;
679     pCurrentEntry->LastAccessTime = pCurrentEntry->CreationTime;
680     pCurrentEntry->LastWriteTime = pCurrentEntry->CreationTime;
681     pCurrentEntry->ChangeTime = pCurrentEntry->CreationTime;
682
683     pCurrentEntry->EndOfFile.QuadPart = 0;
684     pCurrentEntry->AllocationSize.QuadPart = 0;
685     pCurrentEntry->FileAttributes = 0;
686     pCurrentEntry->EaSize = 0;
687     pCurrentEntry->Links = 0;
688
689     len = wcslen(shortName);
690     wcsncpy(pCurrentEntry->ShortName, shortName, len);
691     pCurrentEntry->ShortNameLength = (CCHAR)(len * sizeof(WCHAR));
692
693     pCurrentEntry->FileNameOffset = sizeof(AFSDirEnumEntry);
694     len = wcslen(name);
695     wname = (WCHAR *)((PBYTE)pCurrentEntry + pCurrentEntry->FileNameOffset);
696     wcsncpy(wname, name, len);
697     pCurrentEntry->FileNameLength = (ULONG)(sizeof(WCHAR) * len);
698
699     pCurrentEntry->TargetNameOffset = 0;
700     pCurrentEntry->TargetNameLength = 0;
701
702     dwEntryLength += pCurrentEntry->FileNameLength + pCurrentEntry->TargetNameLength;
703     dwEntryLength += (dwEntryLength % 8) ? 8 - (dwEntryLength % 8) : 0;   /* quad align */
704     if (ppNextEntry)
705         *ppNextEntry = (AFSDirEnumEntry *)((PBYTE)pCurrentEntry + dwEntryLength);
706     if (pdwRemainingLength)
707         *pdwRemainingLength = dwMaxEntryLength - dwEntryLength;
708
709     osi_Log3(afsd_logp, "RDR_PopulateCurrentEntryNoScp Success FileNameLength=%d TargetNameLength=%d RemainingLength=%d",
710               pCurrentEntry->FileNameLength, pCurrentEntry->TargetNameLength, *pdwRemainingLength);
711
712     return code;
713 }
714
715 void
716 RDR_EnumerateDirectory( IN cm_user_t *userp,
717                         IN AFSFileID DirID,
718                         IN AFSDirQueryCB *QueryCB,
719                         IN BOOL bWow64,
720                         IN BOOL bSkipStatus,
721                         IN DWORD ResultBufferLength,
722                         IN OUT AFSCommResult **ResultCB)
723 {
724     DWORD status;
725     cm_direnum_t *      enump = NULL;
726     AFSDirEnumResp  * pDirEnumResp;
727     AFSDirEnumEntry * pCurrentEntry;
728     size_t size = ResultBufferLength ? sizeof(AFSCommResult) + ResultBufferLength - 1 : sizeof(AFSCommResult);
729     DWORD             dwMaxEntryLength;
730     afs_uint32  code = 0;
731     cm_fid_t      fid;
732     cm_scache_t * dscp = NULL;
733     cm_req_t      req;
734
735     RDR_InitReq(&req);
736     if ( bWow64 )
737         req.flags |= CM_REQ_WOW64;
738
739     osi_Log4(afsd_logp, "RDR_EnumerateDirectory FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
740              DirID.Cell, DirID.Volume, DirID.Vnode, DirID.Unique);
741
742     *ResultCB = (AFSCommResult *)malloc(size);
743     if (!(*ResultCB)) {
744         osi_Log0(afsd_logp, "RDR_EnumerateDirectory Out of Memory");
745         return;
746     }
747
748     memset(*ResultCB, 0, size);
749
750     if (QueryCB->EnumHandle == (ULONG_PTR)-1) {
751         osi_Log0(afsd_logp, "RDR_EnumerateDirectory No More Entries");
752         (*ResultCB)->ResultStatus = STATUS_NO_MORE_ENTRIES;
753         (*ResultCB)->ResultBufferLength = 0;
754         return;
755     }
756
757     (*ResultCB)->ResultBufferLength = dwMaxEntryLength = ResultBufferLength;
758     if (ResultBufferLength) {
759         pDirEnumResp = (AFSDirEnumResp *)&(*ResultCB)->ResultData;
760         pCurrentEntry = (AFSDirEnumEntry *)&pDirEnumResp->Entry;
761         dwMaxEntryLength -= FIELD_OFFSET( AFSDirEnumResp, Entry);      /* AFSDirEnumResp */
762     }
763
764     if (DirID.Cell != 0) {
765         fid.cell   = DirID.Cell;
766         fid.volume = DirID.Volume;
767         fid.vnode  = DirID.Vnode;
768         fid.unique = DirID.Unique;
769         fid.hash   = DirID.Hash;
770
771         code = cm_GetSCache(&fid, &dscp, userp, &req);
772         if (code) {
773             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
774             (*ResultCB)->ResultStatus = status;
775             osi_Log2(afsd_logp, "RDR_EnumerateDirectory cm_GetSCache failure code=0x%x status=0x%x",
776                       code, status);
777             return;
778         }
779     } else {
780         (*ResultCB)->ResultStatus = STATUS_OBJECT_NAME_INVALID;
781         osi_Log0(afsd_logp, "RDR_EnumerateDirectory Object Name Invalid - Cell = 0");
782         return;
783     }
784
785     /* get the directory size */
786     lock_ObtainWrite(&dscp->rw);
787     code = cm_SyncOp(dscp, NULL, userp, &req, PRSFS_LOOKUP,
788                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
789     if (code) {
790         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
791         (*ResultCB)->ResultStatus = status;
792         lock_ReleaseWrite(&dscp->rw);
793         cm_ReleaseSCache(dscp);
794         osi_Log2(afsd_logp, "RDR_EnumerateDirectory cm_SyncOp failure code=0x%x status=0x%x",
795                   code, status);
796         return;
797     }
798
799     cm_SyncOpDone(dscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
800     lock_ReleaseWrite(&dscp->rw);
801
802     if (dscp->fileType != CM_SCACHETYPE_DIRECTORY) {
803         (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
804         cm_ReleaseSCache(dscp);
805         osi_Log1(afsd_logp, "RDR_EnumerateDirectory Not a Directory dscp=0x%p",
806                  dscp);
807         return;
808     }
809
810     /*
811      * If there is no enumeration handle, then this is a new query
812      * and we must perform an enumeration for the specified object
813      */
814     if (QueryCB->EnumHandle == (ULONG_PTR)NULL) {
815         cm_dirOp_t    dirop;
816
817         code = cm_BeginDirOp(dscp, userp, &req, CM_DIRLOCK_READ, CM_DIROP_FLAG_NONE, &dirop);
818         if (code == 0) {
819             code = cm_BPlusDirEnumerate(dscp, userp, &req, TRUE, NULL, !bSkipStatus, &enump);
820             if (code) {
821                 osi_Log1(afsd_logp, "RDR_EnumerateDirectory cm_BPlusDirEnumerate failure code=0x%x",
822                           code);
823             }
824             cm_EndDirOp(&dirop);
825         } else {
826             osi_Log1(afsd_logp, "RDR_EnumerateDirectory cm_BeginDirOp failure code=0x%x",
827                       code);
828         }
829     } else {
830         enump = (cm_direnum_t *)QueryCB->EnumHandle;
831     }
832
833     if (enump && ResultBufferLength) {
834         cm_direnum_entry_t * entryp = NULL;
835
836       getnextentry:
837         if (dwMaxEntryLength < sizeof(AFSDirEnumEntry) + (MAX_PATH + MOUNTPOINTLEN) * sizeof(wchar_t)) {
838             osi_Log0(afsd_logp, "RDR_EnumerateDirectory out of space, returning");
839             goto outofspace;
840         }
841
842         code = cm_BPlusDirNextEnumEntry(enump, &entryp);
843
844         if ((code == 0 || code == CM_ERROR_STOPNOW) && entryp) {
845             cm_scache_t *scp;
846             int stopnow = (code == CM_ERROR_STOPNOW);
847
848             if ( !wcscmp(L".", entryp->name) || !wcscmp(L"..", entryp->name) ) {
849                 osi_Log0(afsd_logp, "RDR_EnumerateDirectory skipping . or ..");
850                 if (stopnow)
851                     goto outofspace;
852                 goto getnextentry;
853             }
854
855             if ( FALSE /* bSkipStatus */) {
856                 scp = cm_FindSCache(&entryp->fid);
857                 code = 0;
858             } else {
859                 code = cm_GetSCache(&entryp->fid, &scp, userp, &req);
860             }
861
862             if (!code) {
863                 if (scp) {
864                     code = RDR_PopulateCurrentEntry(pCurrentEntry, dwMaxEntryLength,
865                                                      dscp, scp, userp, &req,
866                                                      entryp->name,
867                                                      cm_Is8Dot3(entryp->name) ? NULL : entryp->shortName,
868                                                      (bWow64 ? RDR_POP_WOW64 : 0) |
869                                                      (bSkipStatus ? RDR_POP_NO_GETSTATUS : 0),
870                                                      &pCurrentEntry, &dwMaxEntryLength);
871                     cm_ReleaseSCache(scp);
872                 } else {
873                     code = RDR_PopulateCurrentEntryNoScp( pCurrentEntry, dwMaxEntryLength,
874                                                           dscp, &entryp->fid, userp, &req,
875                                                           entryp->name,
876                                                           cm_Is8Dot3(entryp->name) ? NULL : entryp->shortName,
877                                                           (bWow64 ? RDR_POP_WOW64 : 0),
878                                                           &pCurrentEntry, &dwMaxEntryLength);
879                 }
880                 if (stopnow)
881                     goto outofspace;
882                 goto getnextentry;
883             } else {
884                 osi_Log2(afsd_logp, "RDR_EnumerateDirectory cm_GetSCache failure scp=0x%p code=0x%x",
885                           scp, code);
886                 if (stopnow)
887                     goto outofspace;
888                 goto getnextentry;
889             }
890         }
891     }
892
893     if (enump && ResultBufferLength == 0) {
894         code = cm_BPlusDirEnumBulkStat(enump);
895         if (code) {
896             osi_Log1(afsd_logp, "RDR_EnumerateDirectory cm_BPlusDirEnumBulkStat failure code=0x%x",
897                       code);
898         }
899     }
900   outofspace:
901
902     if (code || enump->next == enump->count || ResultBufferLength == 0) {
903         cm_BPlusDirFreeEnumeration(enump);
904         enump = (cm_direnum_t *)(ULONG_PTR)-1;
905     }
906
907     if (code == 0 || code == CM_ERROR_STOPNOW) {
908         (*ResultCB)->ResultStatus = STATUS_SUCCESS;
909         osi_Log0(afsd_logp, "RDR_EnumerateDirectory SUCCESS");
910     } else {
911         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
912         (*ResultCB)->ResultStatus = status;
913         osi_Log2(afsd_logp, "RDR_EnumerateDirectory Failure code=0x%x status=0x%x",
914                   code, status);
915     }
916
917     if (ResultBufferLength) {
918         (*ResultCB)->ResultBufferLength = ResultBufferLength - dwMaxEntryLength;
919
920         pDirEnumResp->EnumHandle = (ULONG_PTR) enump;
921     }
922
923     if (dscp)
924         cm_ReleaseSCache(dscp);
925
926     return;
927 }
928
929 void
930 RDR_EvaluateNodeByName( IN cm_user_t *userp,
931                         IN AFSFileID ParentID,
932                         IN WCHAR   *FileNameCounted,
933                         IN DWORD    FileNameLength,
934                         IN BOOL     CaseSensitive,
935                         IN BOOL     bWow64,
936                         IN BOOL     bHoldFid,
937                         IN BOOL     bNoFollow,
938                         IN DWORD    ResultBufferLength,
939                         IN OUT AFSCommResult **ResultCB)
940 {
941     AFSDirEnumEntry * pCurrentEntry;
942     size_t size = sizeof(AFSCommResult) + ResultBufferLength - 1;
943     afs_uint32  code = 0;
944     cm_scache_t * scp = NULL;
945     cm_scache_t * dscp = NULL;
946     cm_req_t      req;
947     cm_fid_t      parentFid;
948     DWORD         status;
949     DWORD         dwRemaining;
950     WCHAR       * wszName = NULL;
951     size_t        cbName;
952     BOOL          bVol = FALSE;
953     wchar_t       FileName[260];
954
955     StringCchCopyNW(FileName, 260, FileNameCounted, FileNameLength / sizeof(WCHAR));
956
957     RDR_InitReq(&req);
958     if ( bWow64 )
959         req.flags |= CM_REQ_WOW64;
960
961     osi_Log4(afsd_logp, "RDR_EvaluateNodeByName parent FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
962              ParentID.Cell, ParentID.Volume, ParentID.Vnode, ParentID.Unique);
963
964     /* Allocate enough room to add a volume prefix if necessary */
965     cbName = FileNameLength + (CM_PREFIX_VOL_CCH + 1) * sizeof(WCHAR);
966     wszName = malloc(cbName);
967     if (!wszName) {
968         osi_Log0(afsd_logp, "RDR_EvaluateNodeByName Out of Memory");
969         return;
970     }
971     StringCbCopyNW(wszName, cbName, FileName, FileNameLength);
972     osi_Log1(afsd_logp, "... name=%S", osi_LogSaveStringW(afsd_logp, wszName));
973
974     *ResultCB = (AFSCommResult *)malloc(size);
975     if (!(*ResultCB)) {
976         osi_Log0(afsd_logp, "RDR_EvaluateNodeByName Out of Memory");
977         free(wszName);
978         return;
979     }
980
981     memset(*ResultCB, 0, size);
982     (*ResultCB)->ResultBufferLength = ResultBufferLength;
983     if (ResultBufferLength)
984         pCurrentEntry = (AFSDirEnumEntry *)&(*ResultCB)->ResultData;
985
986     if (ParentID.Cell != 0) {
987         parentFid.cell   = ParentID.Cell;
988         parentFid.volume = ParentID.Volume;
989         parentFid.vnode  = ParentID.Vnode;
990         parentFid.unique = ParentID.Unique;
991         parentFid.hash   = ParentID.Hash;
992
993         code = cm_GetSCache(&parentFid, &dscp, userp, &req);
994         if (code) {
995             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
996             (*ResultCB)->ResultStatus = status;
997             osi_Log2(afsd_logp, "RDR_EvaluateNodeByName cm_GetSCache parentFID failure code=0x%x status=0x%x",
998                       code, status);
999             free(wszName);
1000             return;
1001         }
1002     } else {
1003         (*ResultCB)->ResultStatus = STATUS_OBJECT_NAME_INVALID;
1004         osi_Log0(afsd_logp, "RDR_EvaluateNodeByName Object Name Invalid - Cell = 0");
1005         return;
1006     }
1007
1008     /* get the directory size */
1009     lock_ObtainWrite(&dscp->rw);
1010     code = cm_SyncOp(dscp, NULL, userp, &req, 0,
1011                      CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1012     if (code) {
1013         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1014         (*ResultCB)->ResultStatus = status;
1015         lock_ReleaseWrite(&dscp->rw);
1016         cm_ReleaseSCache(dscp);
1017         osi_Log3(afsd_logp, "RDR_EvaluateNodeByName cm_SyncOp failure dscp=0x%p code=0x%x status=0x%x",
1018                  dscp, code, status);
1019         free(wszName);
1020         return;
1021     }
1022     cm_SyncOpDone(dscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1023     lock_ReleaseWrite(&dscp->rw);
1024
1025     if (dscp->fileType != CM_SCACHETYPE_DIRECTORY) {
1026         (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
1027         cm_ReleaseSCache(dscp);
1028         osi_Log1(afsd_logp, "RDR_EvaluateNodeByName Not a Directory dscp=0x%p",
1029                  dscp);
1030         free(wszName);
1031         return;
1032     }
1033
1034     code = cm_Lookup(dscp, wszName, CM_FLAG_CHECKPATH, userp, &req, &scp);
1035
1036     if ((code == CM_ERROR_NOSUCHPATH || code == CM_ERROR_NOSUCHFILE || code == CM_ERROR_BPLUS_NOMATCH) &&
1037          (wcschr(wszName, '%') != NULL || wcschr(wszName, '#') != NULL)) {
1038         /*
1039          * A volume reference:  <cell>{%,#}<volume> -> @vol:<cell>{%,#}<volume>
1040          */
1041         StringCchCopyNW(wszName, cbName, _C(CM_PREFIX_VOL), CM_PREFIX_VOL_CCH);
1042         StringCbCatNW(wszName, cbName, FileName, FileNameLength);
1043         cm_strlwr_utf16(wszName);
1044         bVol = TRUE;
1045
1046         code = cm_EvaluateVolumeReference(wszName, CM_FLAG_CHECKPATH, userp, &req, &scp);
1047     }
1048
1049     if (code == 0 && scp) {
1050         wchar_t shortName[13]=L"";
1051
1052         if (bVol) {
1053             cm_Gen8Dot3VolNameW(scp->fid.cell, scp->fid.volume, shortName, NULL);
1054         } else if (!cm_Is8Dot3(wszName)) {
1055             cm_dirFid_t dfid;
1056
1057             dfid.vnode = htonl(scp->fid.vnode);
1058             dfid.unique = htonl(scp->fid.unique);
1059
1060             cm_Gen8Dot3NameIntW(FileName, &dfid, shortName, NULL);
1061         } else {
1062             shortName[0] = '\0';
1063         }
1064
1065         code = RDR_PopulateCurrentEntry(pCurrentEntry, ResultBufferLength,
1066                                         dscp, scp, userp, &req,
1067                                         FileName, shortName,
1068                                         (bWow64 ? RDR_POP_WOW64 : 0) |
1069                                         (bNoFollow ? 0 : (RDR_POP_FOLLOW_MOUNTPOINTS | RDR_POP_EVALUATE_SYMLINKS)),
1070                                         NULL, &dwRemaining);
1071         if (bHoldFid)
1072             RDR_FlagScpInUse( scp, FALSE );
1073         cm_ReleaseSCache(scp);
1074
1075         if (code) {
1076             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1077             (*ResultCB)->ResultStatus = status;
1078             osi_Log2(afsd_logp, "RDR_EvaluateNodeByName FAILURE code=0x%x status=0x%x",
1079                       code, status);
1080         } else {
1081             (*ResultCB)->ResultStatus = STATUS_SUCCESS;
1082             (*ResultCB)->ResultBufferLength = ResultBufferLength - dwRemaining;
1083             osi_Log0(afsd_logp, "RDR_EvaluateNodeByName SUCCESS");
1084         }
1085     } else if (code) {
1086         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1087         (*ResultCB)->ResultStatus = status;
1088         osi_Log2(afsd_logp, "RDR_EvaluateNodeByName FAILURE code=0x%x status=0x%x",
1089                  code, status);
1090     } else {
1091         (*ResultCB)->ResultStatus = STATUS_NO_SUCH_FILE;
1092         osi_Log0(afsd_logp, "RDR_EvaluateNodeByName No Such File");
1093     }
1094     cm_ReleaseSCache(dscp);
1095     free(wszName);
1096
1097     return;
1098 }
1099
1100 void
1101 RDR_EvaluateNodeByID( IN cm_user_t *userp,
1102                       IN AFSFileID ParentID,            /* not used */
1103                       IN AFSFileID SourceID,
1104                       IN BOOL      bWow64,
1105                       IN BOOL      bNoFollow,
1106                       IN BOOL      bHoldFid,
1107                       IN DWORD     ResultBufferLength,
1108                       IN OUT AFSCommResult **ResultCB)
1109 {
1110     AFSDirEnumEntry * pCurrentEntry;
1111     size_t size = sizeof(AFSCommResult) + ResultBufferLength - 1;
1112     afs_uint32  code = 0;
1113     cm_scache_t * scp = NULL;
1114     cm_scache_t * dscp = NULL;
1115     cm_req_t      req;
1116     cm_fid_t      Fid;
1117     cm_fid_t      parentFid;
1118     DWORD         status;
1119     DWORD         dwRemaining;
1120
1121     osi_Log4(afsd_logp, "RDR_EvaluateNodeByID source FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
1122               SourceID.Cell, SourceID.Volume, SourceID.Vnode, SourceID.Unique);
1123     osi_Log4(afsd_logp, "... parent FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
1124               ParentID.Cell, ParentID.Volume, ParentID.Vnode, ParentID.Unique);
1125
1126     *ResultCB = (AFSCommResult *)malloc(size);
1127     if (!(*ResultCB)) {
1128         osi_Log0(afsd_logp, "RDR_EvaluateNodeByID Out of Memory");
1129         return;
1130     }
1131
1132     memset(*ResultCB, 0, size);
1133     (*ResultCB)->ResultBufferLength = ResultBufferLength;
1134     dwRemaining = ResultBufferLength;
1135     if (ResultBufferLength)
1136         pCurrentEntry = (AFSDirEnumEntry *)&(*ResultCB)->ResultData;
1137
1138     RDR_InitReq(&req);
1139     if ( bWow64 )
1140         req.flags |= CM_REQ_WOW64;
1141
1142     if (SourceID.Cell != 0) {
1143         Fid.cell   = SourceID.Cell;
1144         Fid.volume = SourceID.Volume;
1145         Fid.vnode  = SourceID.Vnode;
1146         Fid.unique = SourceID.Unique;
1147         Fid.hash   = SourceID.Hash;
1148
1149         code = cm_GetSCache(&Fid, &scp, userp, &req);
1150         if (code) {
1151             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1152             (*ResultCB)->ResultStatus = status;
1153             osi_Log2(afsd_logp, "RDR_EvaluateNodeByID cm_GetSCache SourceFID failure code=0x%x status=0x%x",
1154                       code, status);
1155             return;
1156         }
1157     } else {
1158         (*ResultCB)->ResultStatus = STATUS_OBJECT_NAME_INVALID;
1159         osi_Log0(afsd_logp, "RDR_EvaluateNodeByID Object Name Invalid - Cell = 0");
1160         return;
1161     }
1162
1163     if (ParentID.Cell != 0) {
1164         cm_SetFid(&parentFid, ParentID.Cell, ParentID.Volume, ParentID.Vnode, ParentID.Unique);
1165         code = cm_GetSCache(&parentFid, &dscp, userp, &req);
1166         if (code) {
1167             cm_ReleaseSCache(scp);
1168             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1169             (*ResultCB)->ResultStatus = status;
1170             osi_Log2(afsd_logp, "RDR_EvaluateNodeByID cm_GetSCache parentFID failure code=0x%x status=0x%x",
1171                       code, status);
1172             return;
1173         }
1174     } else if (SourceID.Vnode == 1) {
1175         dscp = scp;
1176         cm_HoldSCache(dscp);
1177     } else if (scp->parentVnode) {
1178         cm_SetFid(&parentFid, SourceID.Cell, SourceID.Volume, scp->parentVnode, scp->parentUnique);
1179         code = cm_GetSCache(&parentFid, &dscp, userp, &req);
1180         if (code) {
1181             cm_ReleaseSCache(scp);
1182             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1183             (*ResultCB)->ResultStatus = status;
1184             osi_Log2(afsd_logp, "RDR_EvaluateNodeByID cm_GetSCache parentFID failure code=0x%x status=0x%x",
1185                       code, status);
1186             return;
1187         }
1188     } else {
1189         (*ResultCB)->ResultStatus = STATUS_OBJECT_PATH_INVALID;
1190         osi_Log0(afsd_logp, "RDR_EvaluateNodeByID Object Path Invalid - Unknown Parent");
1191         return;
1192     }
1193
1194     /* Make sure the directory is current */
1195     lock_ObtainWrite(&dscp->rw);
1196     code = cm_SyncOp(dscp, NULL, userp, &req, 0,
1197                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1198     if (code) {
1199         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1200         (*ResultCB)->ResultStatus = status;
1201         lock_ReleaseWrite(&dscp->rw);
1202         cm_ReleaseSCache(dscp);
1203         cm_ReleaseSCache(scp);
1204         osi_Log3(afsd_logp, "RDR_EvaluateNodeByID cm_SyncOp failure dscp=0x%p code=0x%x status=0x%x",
1205                  dscp, code, status);
1206         return;
1207     }
1208
1209     cm_SyncOpDone(dscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1210     lock_ReleaseWrite(&dscp->rw);
1211
1212     if (dscp->fileType != CM_SCACHETYPE_DIRECTORY) {
1213         (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
1214         cm_ReleaseSCache(dscp);
1215         cm_ReleaseSCache(scp);
1216         osi_Log1(afsd_logp, "RDR_EvaluateNodeByID Not a Directory dscp=0x%p", dscp);
1217         return;
1218     }
1219
1220     code = RDR_PopulateCurrentEntry(pCurrentEntry, ResultBufferLength,
1221                                     dscp, scp, userp, &req, NULL, NULL,
1222                                     (bWow64 ? RDR_POP_WOW64 : 0) |
1223                                     (bNoFollow ? 0 : (RDR_POP_FOLLOW_MOUNTPOINTS | RDR_POP_EVALUATE_SYMLINKS)),
1224                                     NULL, &dwRemaining);
1225
1226     if (bHoldFid)
1227         RDR_FlagScpInUse( scp, FALSE );
1228     cm_ReleaseSCache(scp);
1229     cm_ReleaseSCache(dscp);
1230
1231     if (code) {
1232         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1233         (*ResultCB)->ResultStatus = status;
1234         osi_Log2(afsd_logp, "RDR_EvaluateNodeByID FAILURE code=0x%x status=0x%x",
1235                  code, status);
1236     } else {
1237         (*ResultCB)->ResultStatus = STATUS_SUCCESS;
1238         (*ResultCB)->ResultBufferLength = ResultBufferLength - dwRemaining;
1239         osi_Log0(afsd_logp, "RDR_EvaluateNodeByID SUCCESS");
1240     }
1241     return;
1242 }
1243
1244 void
1245 RDR_CreateFileEntry( IN cm_user_t *userp,
1246                      IN WCHAR *FileNameCounted,
1247                      IN DWORD FileNameLength,
1248                      IN AFSFileCreateCB *CreateCB,
1249                      IN BOOL bWow64,
1250                      IN BOOL bHoldFid,
1251                      IN DWORD ResultBufferLength,
1252                      IN OUT AFSCommResult **ResultCB)
1253 {
1254     AFSFileCreateResultCB *pResultCB = NULL;
1255     size_t size = sizeof(AFSCommResult) + ResultBufferLength - 1;
1256     cm_fid_t            parentFid;
1257     afs_uint32          code;
1258     cm_scache_t *       dscp = NULL;
1259     afs_uint32          flags = 0;
1260     cm_attr_t           setAttr;
1261     cm_scache_t *       scp = NULL;
1262     cm_req_t            req;
1263     DWORD               status;
1264     wchar_t             FileName[260];
1265
1266     StringCchCopyNW(FileName, 260, FileNameCounted, FileNameLength / sizeof(WCHAR));
1267
1268     osi_Log4(afsd_logp, "RDR_CreateFileEntry parent FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
1269               CreateCB->ParentId.Cell, CreateCB->ParentId.Volume,
1270               CreateCB->ParentId.Vnode, CreateCB->ParentId.Unique);
1271     osi_Log1(afsd_logp, "... name=%S", osi_LogSaveStringW(afsd_logp, FileName));
1272
1273     RDR_InitReq(&req);
1274     if ( bWow64 )
1275         req.flags |= CM_REQ_WOW64;
1276     memset(&setAttr, 0, sizeof(cm_attr_t));
1277
1278     *ResultCB = (AFSCommResult *)malloc(size);
1279     if (!(*ResultCB)) {
1280         osi_Log0(afsd_logp, "RDR_CreateFileEntry out of memory");
1281         return;
1282     }
1283
1284     memset( *ResultCB,
1285             '\0',
1286             size);
1287
1288     parentFid.cell   = CreateCB->ParentId.Cell;
1289     parentFid.volume = CreateCB->ParentId.Volume;
1290     parentFid.vnode  = CreateCB->ParentId.Vnode;
1291     parentFid.unique = CreateCB->ParentId.Unique;
1292     parentFid.hash   = CreateCB->ParentId.Hash;
1293
1294     code = cm_GetSCache(&parentFid, &dscp, userp, &req);
1295     if (code) {
1296         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1297         (*ResultCB)->ResultStatus = status;
1298         osi_Log2(afsd_logp, "RDR_CreateFileEntry cm_GetSCache ParentFID failure code=0x%x status=0x%x",
1299                   code, status);
1300         return;
1301     }
1302
1303     lock_ObtainWrite(&dscp->rw);
1304     code = cm_SyncOp(dscp, NULL, userp, &req, 0,
1305                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1306     if (code) {
1307         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1308         (*ResultCB)->ResultStatus = status;
1309         lock_ReleaseWrite(&dscp->rw);
1310         cm_ReleaseSCache(dscp);
1311         osi_Log3(afsd_logp, "RDR_CreateFileEntry cm_SyncOp failure (1) dscp=0x%p code=0x%x status=0x%x",
1312                  dscp, code, status);
1313         return;
1314     }
1315
1316     cm_SyncOpDone(dscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1317     lock_ReleaseWrite(&dscp->rw);
1318
1319     if (dscp->fileType != CM_SCACHETYPE_DIRECTORY) {
1320         (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
1321         cm_ReleaseSCache(dscp);
1322         osi_Log1(afsd_logp, "RDR_CreateFileEntry Not a Directory dscp=0x%p",
1323                  dscp);
1324         return;
1325     }
1326
1327     /* Use current time */
1328     setAttr.mask = CM_ATTRMASK_CLIENTMODTIME;
1329     setAttr.clientModTime = time(NULL);
1330
1331     if (CreateCB->FileAttributes & FILE_ATTRIBUTE_DIRECTORY) {
1332         if (smb_unixModeDefaultDir) {
1333             setAttr.mask |= CM_ATTRMASK_UNIXMODEBITS;
1334             setAttr.unixModeBits = smb_unixModeDefaultDir;
1335             if (CreateCB->FileAttributes & FILE_ATTRIBUTE_READONLY)
1336                 setAttr.unixModeBits &= ~0222;          /* disable the write bits */
1337         }
1338
1339         code = cm_MakeDir(dscp, FileName, flags, &setAttr, userp, &req, &scp);
1340     } else {
1341         if (smb_unixModeDefaultFile) {
1342             setAttr.mask |= CM_ATTRMASK_UNIXMODEBITS;
1343             setAttr.unixModeBits = smb_unixModeDefaultFile;
1344             if (CreateCB->FileAttributes & FILE_ATTRIBUTE_READONLY)
1345                 setAttr.unixModeBits &= ~0222;          /* disable the write bits */
1346         }
1347
1348         setAttr.mask |= CM_ATTRMASK_LENGTH;
1349         setAttr.length.LowPart = CreateCB->AllocationSize.LowPart;
1350         setAttr.length.HighPart = CreateCB->AllocationSize.HighPart;
1351         code = cm_Create(dscp, FileName, flags, &setAttr, &scp, userp, &req);
1352     }
1353     if (code == 0) {
1354         wchar_t shortName[13]=L"";
1355         cm_dirFid_t dfid;
1356         DWORD dwRemaining;
1357
1358         (*ResultCB)->ResultStatus = 0;  // We will be able to fit all the data in here
1359
1360         (*ResultCB)->ResultBufferLength = sizeof( AFSFileCreateResultCB);
1361
1362         pResultCB = (AFSFileCreateResultCB *)(*ResultCB)->ResultData;
1363
1364         dwRemaining = ResultBufferLength - sizeof( AFSFileCreateResultCB) + sizeof( AFSDirEnumEntry);
1365
1366         lock_ObtainWrite(&dscp->rw);
1367         code = cm_SyncOp(dscp, NULL, userp, &req, 0,
1368                           CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1369         if (code) {
1370             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1371             (*ResultCB)->ResultStatus = status;
1372             lock_ReleaseWrite(&dscp->rw);
1373             cm_ReleaseSCache(dscp);
1374             cm_ReleaseSCache(scp);
1375             osi_Log3(afsd_logp, "RDR_CreateFileEntry cm_SyncOp failure (2) dscp=0x%p code=0x%x status=0x%x",
1376                       dscp, code, status);
1377             return;
1378         }
1379
1380         pResultCB->ParentDataVersion.QuadPart = dscp->dataVersion;
1381
1382         cm_SyncOpDone(dscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1383         lock_ReleaseWrite(&dscp->rw);
1384
1385         dfid.vnode = htonl(scp->fid.vnode);
1386         dfid.unique = htonl(scp->fid.unique);
1387
1388         if (!cm_Is8Dot3(FileName))
1389             cm_Gen8Dot3NameIntW(FileName, &dfid, shortName, NULL);
1390         else
1391             shortName[0] = '\0';
1392
1393         code = RDR_PopulateCurrentEntry(&pResultCB->DirEnum, dwRemaining,
1394                                         dscp, scp, userp, &req, FileName, shortName,
1395                                         RDR_POP_FOLLOW_MOUNTPOINTS | RDR_POP_EVALUATE_SYMLINKS,
1396                                         NULL, &dwRemaining);
1397
1398         if (bHoldFid)
1399             RDR_FlagScpInUse( scp, FALSE );
1400         cm_ReleaseSCache(scp);
1401         (*ResultCB)->ResultBufferLength = ResultBufferLength - dwRemaining;
1402         osi_Log0(afsd_logp, "RDR_CreateFileEntry SUCCESS");
1403     } else {
1404         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1405         (*ResultCB)->ResultStatus = status;
1406         (*ResultCB)->ResultBufferLength = 0;
1407         osi_Log2(afsd_logp, "RDR_CreateFileEntry FAILURE code=0x%x status=0x%x",
1408                   code, status);
1409     }
1410
1411     cm_ReleaseSCache(dscp);
1412
1413     return;
1414 }
1415
1416 void
1417 RDR_UpdateFileEntry( IN cm_user_t *userp,
1418                      IN AFSFileID FileId,
1419                      IN AFSFileUpdateCB *UpdateCB,
1420                      IN BOOL bWow64,
1421                      IN DWORD ResultBufferLength,
1422                      IN OUT AFSCommResult **ResultCB)
1423 {
1424     AFSFileUpdateResultCB *pResultCB = NULL;
1425     size_t size = sizeof(AFSCommResult) + ResultBufferLength - 1;
1426     cm_fid_t            Fid;
1427     cm_fid_t            parentFid;
1428     afs_uint32          code;
1429     afs_uint32          flags = 0;
1430     cm_attr_t           setAttr;
1431     cm_scache_t *       scp = NULL;
1432     cm_scache_t *       dscp = NULL;
1433     cm_req_t            req;
1434     time_t              clientModTime;
1435     FILETIME            ft;
1436     DWORD               status;
1437     BOOL                bScpLocked = FALSE;
1438
1439     RDR_InitReq(&req);
1440     if ( bWow64 )
1441         req.flags |= CM_REQ_WOW64;
1442     memset(&setAttr, 0, sizeof(cm_attr_t));
1443
1444     osi_Log4(afsd_logp, "RDR_UpdateFileEntry parent FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
1445               UpdateCB->ParentId.Cell, UpdateCB->ParentId.Volume,
1446               UpdateCB->ParentId.Vnode, UpdateCB->ParentId.Unique);
1447     osi_Log4(afsd_logp, "... object FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
1448               FileId.Cell, FileId.Volume,
1449               FileId.Vnode, FileId.Unique);
1450
1451     *ResultCB = (AFSCommResult *)malloc( size);
1452     if (!(*ResultCB)) {
1453         osi_Log0(afsd_logp, "RDR_UpdateFileEntry Out of Memory");
1454         return;
1455     }
1456
1457     memset( *ResultCB,
1458             '\0',
1459             size);
1460
1461     parentFid.cell   = UpdateCB->ParentId.Cell;
1462     parentFid.volume = UpdateCB->ParentId.Volume;
1463     parentFid.vnode  = UpdateCB->ParentId.Vnode;
1464     parentFid.unique = UpdateCB->ParentId.Unique;
1465     parentFid.hash   = UpdateCB->ParentId.Hash;
1466
1467     code = cm_GetSCache(&parentFid, &dscp, userp, &req);
1468     if (code) {
1469         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1470         (*ResultCB)->ResultStatus = status;
1471         osi_Log2(afsd_logp, "RDR_UpdateFileEntry cm_GetSCache ParentFID failure code=0x%x status=0x%x",
1472                   code, status);
1473         return;
1474     }
1475
1476     lock_ObtainWrite(&dscp->rw);
1477     bScpLocked = TRUE;
1478     code = cm_SyncOp(dscp, NULL, userp, &req, 0,
1479                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1480     if (code) {
1481         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1482         (*ResultCB)->ResultStatus = status;
1483         lock_ReleaseWrite(&dscp->rw);
1484         cm_ReleaseSCache(dscp);
1485         osi_Log3(afsd_logp, "RDR_UpdateFileEntry cm_SyncOp failure dscp=0x%p code=0x%x status=0x%x",
1486                  dscp, code, status);
1487         return;
1488     }
1489
1490     cm_SyncOpDone(dscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1491     lock_ReleaseWrite(&dscp->rw);
1492     bScpLocked = FALSE;
1493
1494     if (dscp->fileType != CM_SCACHETYPE_DIRECTORY) {
1495         (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
1496         cm_ReleaseSCache(dscp);
1497         osi_Log1(afsd_logp, "RDR_UpdateFileEntry Not a Directory dscp=0x%p",
1498                  dscp);
1499         return;
1500     }
1501
1502     Fid.cell   = FileId.Cell;
1503     Fid.volume = FileId.Volume;
1504     Fid.vnode  = FileId.Vnode;
1505     Fid.unique = FileId.Unique;
1506     Fid.hash   = FileId.Hash;
1507
1508     code = cm_GetSCache(&Fid, &scp, userp, &req);
1509     if (code) {
1510         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1511         (*ResultCB)->ResultStatus = status;
1512         cm_ReleaseSCache(dscp);
1513         osi_Log2(afsd_logp, "RDR_UpdateFileEntry cm_GetSCache object FID failure code=0x%x status=0x%x",
1514                   code, status);
1515         return;
1516     }
1517
1518     lock_ObtainWrite(&scp->rw);
1519     bScpLocked = TRUE;
1520     code = cm_SyncOp(scp, NULL, userp, &req, 0,
1521                       CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_NEEDCALLBACK);
1522     if (code) {
1523         lock_ReleaseWrite(&scp->rw);
1524         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1525         (*ResultCB)->ResultStatus = status;
1526         (*ResultCB)->ResultBufferLength = 0;
1527         cm_ReleaseSCache(dscp);
1528         cm_ReleaseSCache(scp);
1529         osi_Log3(afsd_logp, "RDR_UpdateFileEntry cm_SyncOp failure scp=0x%p code=0x%x status=0x%x",
1530                  scp, code, status);
1531         return;
1532     }
1533     cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1534
1535     if (UpdateCB->ChangeTime.QuadPart) {
1536
1537         if (scp->fileType == CM_SCACHETYPE_FILE) {
1538             /* Do not set length and other attributes at the same time */
1539             if (scp->length.QuadPart != UpdateCB->AllocationSize.QuadPart) {
1540                 osi_Log2(afsd_logp, "RDR_UpdateFileEntry Length Change 0x%x -> 0x%x",
1541                           (afs_uint32)scp->length.QuadPart, (afs_uint32)UpdateCB->AllocationSize.QuadPart);
1542                 setAttr.mask |= CM_ATTRMASK_LENGTH;
1543                 setAttr.length.LowPart = UpdateCB->AllocationSize.LowPart;
1544                 setAttr.length.HighPart = UpdateCB->AllocationSize.HighPart;
1545                 lock_ReleaseWrite(&scp->rw);
1546                 bScpLocked = FALSE;
1547                 code = cm_SetAttr(scp, &setAttr, userp, &req);
1548                 if (code)
1549                     goto on_error;
1550                 setAttr.mask = 0;
1551             }
1552         }
1553
1554         if (!bScpLocked) {
1555             lock_ObtainWrite(&scp->rw);
1556             bScpLocked = TRUE;
1557         }
1558         if ((scp->unixModeBits & 0200) && (UpdateCB->FileAttributes & FILE_ATTRIBUTE_READONLY)) {
1559             setAttr.mask |= CM_ATTRMASK_UNIXMODEBITS;
1560             setAttr.unixModeBits = scp->unixModeBits & ~0222;
1561         } else if (!(scp->unixModeBits & 0200) && !(UpdateCB->FileAttributes & FILE_ATTRIBUTE_READONLY)) {
1562             setAttr.mask |= CM_ATTRMASK_UNIXMODEBITS;
1563             setAttr.unixModeBits = scp->unixModeBits | 0222;
1564         }
1565     }
1566
1567     if (UpdateCB->LastWriteTime.QuadPart) {
1568         ft.dwLowDateTime = UpdateCB->LastWriteTime.LowPart;
1569         ft.dwHighDateTime = UpdateCB->LastWriteTime.HighPart;
1570
1571         cm_UnixTimeFromLargeSearchTime(& clientModTime, &ft);
1572
1573         if (!bScpLocked) {
1574             lock_ObtainWrite(&scp->rw);
1575             bScpLocked = TRUE;
1576         }
1577         if (scp->clientModTime != clientModTime) {
1578             setAttr.mask |= CM_ATTRMASK_CLIENTMODTIME;
1579             setAttr.clientModTime = clientModTime;
1580         }
1581
1582         /* call setattr */
1583         if (setAttr.mask) {
1584             lock_ReleaseWrite(&scp->rw);
1585             bScpLocked = FALSE;
1586             code = cm_SetAttr(scp, &setAttr, userp, &req);
1587         } else
1588             code = 0;
1589     }
1590
1591   on_error:
1592     if (bScpLocked) {
1593         lock_ReleaseWrite(&scp->rw);
1594     }
1595
1596     if (code == 0) {
1597         DWORD dwRemaining = ResultBufferLength - sizeof( AFSFileUpdateResultCB) + sizeof( AFSDirEnumEntry);
1598
1599         pResultCB = (AFSFileUpdateResultCB *)(*ResultCB)->ResultData;
1600
1601         code = RDR_PopulateCurrentEntry(&pResultCB->DirEnum, dwRemaining,
1602                                         dscp, scp, userp, &req, NULL, NULL,
1603                                         RDR_POP_FOLLOW_MOUNTPOINTS | RDR_POP_EVALUATE_SYMLINKS,
1604                                         NULL, &dwRemaining);
1605         (*ResultCB)->ResultBufferLength = ResultBufferLength - dwRemaining;
1606         osi_Log0(afsd_logp, "RDR_UpdateFileEntry SUCCESS");
1607     } else {
1608         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1609         (*ResultCB)->ResultStatus = status;
1610         (*ResultCB)->ResultBufferLength = 0;
1611         osi_Log2(afsd_logp, "RDR_UpdateFileEntry FAILURE code=0x%x status=0x%x",
1612                   code, status);
1613     }
1614     cm_ReleaseSCache(scp);
1615     cm_ReleaseSCache(dscp);
1616
1617     return;
1618 }
1619
1620 void
1621 RDR_CleanupFileEntry( IN cm_user_t *userp,
1622                       IN AFSFileID FileId,
1623                       IN WCHAR *FileNameCounted,
1624                       IN DWORD FileNameLength,
1625                       IN AFSFileCleanupCB *CleanupCB,
1626                       IN BOOL bWow64,
1627                       IN BOOL bLastHandle,
1628                       IN BOOL bDeleteFile,
1629                       IN BOOL bUnlockFile,
1630                       IN DWORD ResultBufferLength,
1631                       IN OUT AFSCommResult **ResultCB)
1632 {
1633     size_t size = sizeof(AFSCommResult);
1634     cm_fid_t            Fid;
1635     cm_fid_t            parentFid;
1636     afs_uint32          code = 0;
1637     afs_uint32          flags = 0;
1638     cm_attr_t           setAttr;
1639     cm_scache_t *       scp = NULL;
1640     cm_scache_t *       dscp = NULL;
1641     cm_req_t            req;
1642     time_t              clientModTime;
1643     FILETIME            ft;
1644     DWORD               status;
1645     BOOL                bScpLocked = FALSE;
1646     BOOL                bDscpLocked = FALSE;
1647     BOOL                bFlushFile = FALSE;
1648     cm_key_t            key;
1649
1650     RDR_InitReq(&req);
1651     if ( bWow64 )
1652         req.flags |= CM_REQ_WOW64;
1653     memset(&setAttr, 0, sizeof(cm_attr_t));
1654
1655     osi_Log4(afsd_logp, "RDR_CleanupFileEntry parent FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
1656               CleanupCB->ParentId.Cell, CleanupCB->ParentId.Volume,
1657               CleanupCB->ParentId.Vnode, CleanupCB->ParentId.Unique);
1658     osi_Log4(afsd_logp, "... object FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
1659               FileId.Cell, FileId.Volume,
1660               FileId.Vnode, FileId.Unique);
1661
1662     *ResultCB = (AFSCommResult *)malloc( size);
1663     if (!(*ResultCB)) {
1664         osi_Log0(afsd_logp, "RDR_CleanupFileEntry Out of Memory");
1665         return;
1666     }
1667
1668     memset( *ResultCB,
1669             '\0',
1670             size);
1671
1672     parentFid.cell   = CleanupCB->ParentId.Cell;
1673     parentFid.volume = CleanupCB->ParentId.Volume;
1674     parentFid.vnode  = CleanupCB->ParentId.Vnode;
1675     parentFid.unique = CleanupCB->ParentId.Unique;
1676     parentFid.hash   = CleanupCB->ParentId.Hash;
1677
1678     if (parentFid.cell) {
1679         code = cm_GetSCache(&parentFid, &dscp, userp, &req);
1680         if (code) {
1681             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1682             (*ResultCB)->ResultStatus = status;
1683             osi_Log2(afsd_logp, "RDR_CleanupFileEntry cm_GetSCache ParentFID failure code=0x%x status=0x%x",
1684                      code, status);
1685             return;
1686         }
1687
1688         lock_ObtainWrite(&dscp->rw);
1689         bDscpLocked = TRUE;
1690         code = cm_SyncOp(dscp, NULL, userp, &req, 0,
1691                          CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1692         if (code) {
1693             osi_Log2(afsd_logp, "RDR_CleanupFileEntry cm_SyncOp failure dscp=0x%p code=0x%x",
1694                     dscp, code);
1695             if (code)
1696                 goto on_error;
1697         }
1698
1699         cm_SyncOpDone(dscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1700         lock_ReleaseWrite(&dscp->rw);
1701         bDscpLocked = FALSE;
1702
1703         if (dscp->fileType != CM_SCACHETYPE_DIRECTORY) {
1704             (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
1705             cm_ReleaseSCache(dscp);
1706             osi_Log1(afsd_logp, "RDR_CleanupFileEntry Not a Directory dscp=0x%p",
1707                      dscp);
1708             if (code)
1709                 goto on_error;
1710         }
1711     }
1712
1713     Fid.cell   = FileId.Cell;
1714     Fid.volume = FileId.Volume;
1715     Fid.vnode  = FileId.Vnode;
1716     Fid.unique = FileId.Unique;
1717     Fid.hash   = FileId.Hash;
1718
1719     code = cm_GetSCache(&Fid, &scp, userp, &req);
1720     if (code) {
1721         osi_Log1(afsd_logp, "RDR_CleanupFileEntry cm_GetSCache object FID failure code=0x%x",
1722                  code);
1723         goto on_error;
1724     }
1725
1726     lock_ObtainWrite(&scp->rw);
1727     bScpLocked = TRUE;
1728     code = cm_SyncOp(scp, NULL, userp, &req, 0,
1729                       CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_NEEDCALLBACK);
1730     if (code) {
1731         osi_Log2(afsd_logp, "RDR_CleanupFileEntry cm_SyncOp failure scp=0x%p code=0x%x",
1732                  scp, code);
1733         goto on_error;
1734     }
1735     cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
1736
1737     if (scp->redirBufCount > 0) {
1738         LARGE_INTEGER heldExtents;
1739         AFSFileExtentCB extentList[1024];
1740         DWORD extentCount = 0;
1741         cm_buf_t *srbp;
1742         time_t now;
1743
1744         time(&now);
1745         heldExtents.QuadPart = 0;
1746
1747         for ( srbp = redirq_to_cm_buf_t(scp->redirQueueT);
1748               srbp;
1749               srbp = redirq_to_cm_buf_t(osi_QPrev(&srbp->redirq)))
1750         {
1751             extentList[extentCount].Flags = 0;
1752             extentList[extentCount].Length = cm_data.blockSize;
1753             extentList[extentCount].FileOffset.QuadPart = srbp->offset.QuadPart;
1754             extentList[extentCount].CacheOffset.QuadPart = srbp->datap - RDR_extentBaseAddress;
1755             lock_ObtainWrite(&buf_globalLock);
1756             srbp->redirReleaseRequested = now;
1757             lock_ReleaseWrite(&buf_globalLock);
1758             extentCount++;
1759
1760             if (extentCount == 1024) {
1761                 lock_ReleaseWrite(&scp->rw);
1762                 code = RDR_RequestExtentRelease(&scp->fid, heldExtents, extentCount, extentList);
1763                 if (code) {
1764                     if (code == CM_ERROR_RETRY) {
1765                         /*
1766                          * The redirector either is not holding the extents or cannot let them
1767                          * go because they are otherwise in use.  At the moment, do nothing.
1768                          */
1769                     } else
1770                         break;
1771                 }
1772                 extentCount = 0;
1773                 bFlushFile = TRUE;
1774                 lock_ObtainWrite(&scp->rw);
1775             }
1776         }
1777
1778         if (code == 0 && extentCount > 0) {
1779             if (bScpLocked) {
1780                 lock_ReleaseWrite(&scp->rw);
1781                 bScpLocked = FALSE;
1782             }
1783             code = RDR_RequestExtentRelease(&scp->fid, heldExtents, extentCount, extentList);
1784             bFlushFile = TRUE;
1785         }
1786     }
1787
1788     /* No longer in use by redirector */
1789     if (!bScpLocked) {
1790         lock_ObtainWrite(&scp->rw);
1791         bScpLocked = TRUE;
1792     }
1793
1794     if (bLastHandle) {
1795         lock_AssertWrite(&scp->rw);
1796         scp->flags &= ~CM_SCACHEFLAG_RDR_IN_USE;
1797     }
1798
1799     if (bLastHandle || bFlushFile) {
1800         if (bScpLocked) {
1801             lock_ReleaseWrite(&scp->rw);
1802             bScpLocked = FALSE;
1803         }
1804         code = cm_FSync(scp, userp, &req, bScpLocked);
1805         if (bLastHandle && code)
1806             goto on_error;
1807     }
1808
1809     if (bUnlockFile || bDeleteFile) {
1810         if (!bScpLocked) {
1811             lock_ObtainWrite(&scp->rw);
1812             bScpLocked = TRUE;
1813         }
1814         code = cm_SyncOp(scp, NULL, userp, &req, 0,
1815                           CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
1816         if (code) {
1817             osi_Log2(afsd_logp, "RDR_CleanupFileEntry cm_SyncOp (2) failure scp=0x%p code=0x%x",
1818                      scp, code);
1819             goto on_error;
1820         }
1821
1822         key = cm_GenerateKey(CM_SESSION_IFS, CleanupCB->ProcessId, 0);
1823
1824         /* the scp is now locked and current */
1825         code = cm_UnlockByKey(scp, key,
1826                               bDeleteFile ? CM_UNLOCK_FLAG_BY_FID : 0,
1827                               userp, &req);
1828
1829         cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
1830
1831         if (code)
1832             goto on_error;
1833     }
1834
1835     if (CleanupCB->ChangeTime.QuadPart) {
1836
1837         if (scp->fileType == CM_SCACHETYPE_FILE) {
1838             /* Do not set length and other attributes at the same time */
1839             if (scp->length.QuadPart != CleanupCB->AllocationSize.QuadPart) {
1840                 osi_Log2(afsd_logp, "RDR_CleanupFileEntry Length Change 0x%x -> 0x%x",
1841                           (afs_uint32)scp->length.QuadPart, (afs_uint32)CleanupCB->AllocationSize.QuadPart);
1842                 setAttr.mask |= CM_ATTRMASK_LENGTH;
1843                 setAttr.length.LowPart = CleanupCB->AllocationSize.LowPart;
1844                 setAttr.length.HighPart = CleanupCB->AllocationSize.HighPart;
1845
1846                 if (bScpLocked) {
1847                     lock_ReleaseWrite(&scp->rw);
1848                     bScpLocked = FALSE;
1849                 }
1850                 code = cm_SetAttr(scp, &setAttr, userp, &req);
1851                 if (code)
1852                     goto on_error;
1853                 setAttr.mask = 0;
1854             }
1855         }
1856
1857         if (!bScpLocked) {
1858             lock_ObtainWrite(&scp->rw);
1859             bScpLocked = TRUE;
1860         }
1861
1862         if ((scp->unixModeBits & 0200) && (CleanupCB->FileAttributes & FILE_ATTRIBUTE_READONLY)) {
1863             setAttr.mask |= CM_ATTRMASK_UNIXMODEBITS;
1864             setAttr.unixModeBits = scp->unixModeBits & ~0222;
1865         } else if (!(scp->unixModeBits & 0200) && !(CleanupCB->FileAttributes & FILE_ATTRIBUTE_READONLY)) {
1866             setAttr.mask |= CM_ATTRMASK_UNIXMODEBITS;
1867             setAttr.unixModeBits = scp->unixModeBits | 0222;
1868         }
1869     }
1870
1871     if (CleanupCB->LastWriteTime.QuadPart) {
1872         ft.dwLowDateTime = CleanupCB->LastWriteTime.LowPart;
1873         ft.dwHighDateTime = CleanupCB->LastWriteTime.HighPart;
1874
1875         cm_UnixTimeFromLargeSearchTime(&clientModTime, &ft);
1876         if (scp->clientModTime != clientModTime) {
1877             setAttr.mask |= CM_ATTRMASK_CLIENTMODTIME;
1878             setAttr.clientModTime = clientModTime;
1879         }
1880     }
1881
1882     /* call setattr */
1883     if (setAttr.mask) {
1884         lock_ReleaseWrite(&scp->rw);
1885         bScpLocked = FALSE;
1886         code = cm_SetAttr(scp, &setAttr, userp, &req);
1887     } else
1888         code = 0;
1889
1890     /* Now drop the lock enforcing the share access */
1891     if ( CleanupCB->FileAccess != AFS_FILE_ACCESS_NOLOCK) {
1892         unsigned int sLockType;
1893         LARGE_INTEGER LOffset, LLength;
1894
1895         if (CleanupCB->FileAccess == AFS_FILE_ACCESS_SHARED)
1896             sLockType = LOCKING_ANDX_SHARED_LOCK;
1897         else
1898             sLockType = 0;
1899
1900         key = cm_GenerateKey(CM_SESSION_IFS, SMB_FID_QLOCK_PID, CleanupCB->Identifier);
1901
1902         LOffset.HighPart = SMB_FID_QLOCK_HIGH;
1903         LOffset.LowPart = SMB_FID_QLOCK_LOW;
1904         LLength.HighPart = 0;
1905         LLength.LowPart = SMB_FID_QLOCK_LENGTH;
1906
1907         if (!bScpLocked) {
1908             lock_ObtainWrite(&scp->rw);
1909             bScpLocked = TRUE;
1910         }
1911
1912         code = cm_SyncOp(scp, NULL, userp, &req, 0, CM_SCACHESYNC_LOCK);
1913         if (code == 0)
1914         {
1915             code = cm_Unlock(scp, sLockType, LOffset, LLength, key, 0, userp, &req);
1916
1917             cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_LOCK);
1918
1919             if (code == CM_ERROR_RANGE_NOT_LOCKED)
1920             {
1921                 osi_Log3(afsd_logp, "RDR_CleanupFileEntry Range Not Locked -- FileAccess 0x%x ProcessId 0x%x HandleId 0x%x",
1922                          CleanupCB->FileAccess, CleanupCB->ProcessId, CleanupCB->Identifier);
1923
1924             }
1925         }
1926     }
1927
1928   on_error:
1929     if (bDscpLocked)
1930         lock_ReleaseWrite(&dscp->rw);
1931     if (bScpLocked)
1932         lock_ReleaseWrite(&scp->rw);
1933
1934     if (dscp && bDeleteFile) {
1935         WCHAR FileName[260];
1936
1937         StringCchCopyNW(FileName, 260, FileNameCounted, FileNameLength / sizeof(WCHAR));
1938
1939         if (scp->fileType == CM_SCACHETYPE_DIRECTORY)
1940             code = cm_RemoveDir(dscp, NULL, FileName, userp, &req);
1941         else
1942             code = cm_Unlink(dscp, NULL, FileName, userp, &req);
1943     }
1944
1945     if (code == 0) {
1946         (*ResultCB)->ResultStatus = 0;
1947         (*ResultCB)->ResultBufferLength = 0;
1948         osi_Log0(afsd_logp, "RDR_CleanupFileEntry SUCCESS");
1949     } else {
1950         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
1951         (*ResultCB)->ResultStatus = status;
1952         (*ResultCB)->ResultBufferLength = 0;
1953         osi_Log2(afsd_logp, "RDR_CleanupFileEntry FAILURE code=0x%x status=0x%x",
1954                   code, status);
1955     }
1956     if (scp)
1957         cm_ReleaseSCache(scp);
1958     if (dscp)
1959         cm_ReleaseSCache(dscp);
1960
1961     return;
1962 }
1963
1964 void
1965 RDR_DeleteFileEntry( IN cm_user_t *userp,
1966                      IN AFSFileID ParentId,
1967                      IN ULONGLONG ProcessId,
1968                      IN WCHAR *FileNameCounted,
1969                      IN DWORD FileNameLength,
1970                      IN BOOL bWow64,
1971                      IN BOOL bCheckOnly,
1972                      IN DWORD ResultBufferLength,
1973                      IN OUT AFSCommResult **ResultCB)
1974 {
1975
1976     AFSFileDeleteResultCB *pResultCB = NULL;
1977     size_t size = sizeof(AFSCommResult) + ResultBufferLength - 1;
1978     cm_fid_t            parentFid;
1979     afs_uint32          code;
1980     cm_scache_t *       dscp = NULL;
1981     cm_scache_t *       scp = NULL;
1982     afs_uint32          flags = 0;
1983     cm_attr_t           setAttr;
1984     cm_req_t            req;
1985     DWORD               status;
1986     wchar_t             FileName[260];
1987     cm_key_t            key;
1988
1989     StringCchCopyNW(FileName, 260, FileNameCounted, FileNameLength / sizeof(WCHAR));
1990
1991     osi_Log4(afsd_logp, "RDR_DeleteFileEntry parent FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
1992               ParentId.Cell,  ParentId.Volume,
1993               ParentId.Vnode, ParentId.Unique);
1994     osi_Log2(afsd_logp, "... name=%S checkOnly=%x",
1995              osi_LogSaveStringW(afsd_logp, FileName),
1996              bCheckOnly);
1997
1998     RDR_InitReq(&req);
1999     if ( bWow64 )
2000         req.flags |= CM_REQ_WOW64;
2001     memset(&setAttr, 0, sizeof(cm_attr_t));
2002
2003     *ResultCB = (AFSCommResult *)malloc( size);
2004     if (!(*ResultCB)) {
2005         osi_Log0(afsd_logp, "RDR_DeleteFileEntry out of memory");
2006         return;
2007     }
2008
2009     memset( *ResultCB,
2010             '\0',
2011             size);
2012
2013     parentFid.cell   = ParentId.Cell;
2014     parentFid.volume = ParentId.Volume;
2015     parentFid.vnode  = ParentId.Vnode;
2016     parentFid.unique = ParentId.Unique;
2017     parentFid.hash   = ParentId.Hash;
2018
2019     code = cm_GetSCache(&parentFid, &dscp, userp, &req);
2020     if (code) {
2021         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2022         (*ResultCB)->ResultStatus = status;
2023         osi_Log2(afsd_logp, "RDR_DeleteFileEntry cm_GetSCache ParentFID failure code=0x%x status=0x%x",
2024                   code, status);
2025         return;
2026     }
2027
2028     lock_ObtainWrite(&dscp->rw);
2029
2030     code = cm_SyncOp(dscp, NULL, userp, &req, 0,
2031                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2032     if (code) {
2033         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2034         (*ResultCB)->ResultStatus = status;
2035         (*ResultCB)->ResultBufferLength = 0;
2036         lock_ReleaseWrite(&dscp->rw);
2037         cm_ReleaseSCache(dscp);
2038         osi_Log3(afsd_logp, "RDR_DeleteFileEntry cm_SyncOp failure dscp=0x%p code=0x%x status=0x%x",
2039                  dscp, code, status);
2040         return;
2041     }
2042
2043     cm_SyncOpDone(dscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2044     lock_ReleaseWrite(&dscp->rw);
2045
2046     if (dscp->fileType != CM_SCACHETYPE_DIRECTORY) {
2047         (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
2048         cm_ReleaseSCache(dscp);
2049         osi_Log1(afsd_logp, "RDR_DeleteFileEntry Not a Directory dscp=0x%p",
2050                  dscp);
2051         return;
2052     }
2053
2054     code = cm_Lookup(dscp, FileName, 0, userp, &req, &scp);
2055     if (code) {
2056         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2057         (*ResultCB)->ResultStatus = status;
2058         (*ResultCB)->ResultBufferLength = 0;
2059         cm_ReleaseSCache(dscp);
2060         osi_Log2(afsd_logp, "RDR_DeleteFileEntry cm_Lookup failure code=0x%x status=0x%x",
2061                  code, status);
2062         return;
2063     }
2064
2065     lock_ObtainWrite(&scp->rw);
2066     code = cm_SyncOp(scp, NULL, userp, &req, PRSFS_DELETE,
2067                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2068     if (code) {
2069         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2070         (*ResultCB)->ResultStatus = status;
2071         (*ResultCB)->ResultBufferLength = 0;
2072         lock_ReleaseWrite(&scp->rw);
2073         cm_ReleaseSCache(scp);
2074         cm_ReleaseSCache(dscp);
2075         osi_Log3(afsd_logp, "RDR_DeleteFileEntry cm_SyncOp failure scp=0x%p code=0x%x status=0x%x",
2076                  scp, code, status);
2077         return;
2078     }
2079
2080     if (!bCheckOnly) {
2081         /* Drop all locks since the file is being deleted */
2082         code = cm_SyncOp(scp, NULL, userp, &req, 0,
2083                          CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
2084         if (code) {
2085             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2086             (*ResultCB)->ResultStatus = status;
2087             (*ResultCB)->ResultBufferLength = 0;
2088             lock_ReleaseWrite(&scp->rw);
2089             cm_ReleaseSCache(scp);
2090             cm_ReleaseSCache(dscp);
2091             osi_Log3(afsd_logp, "RDR_DeleteFileEntry cm_SyncOp Lock failure scp=0x%p code=0x%x status=0x%x",
2092                      scp, code, status);
2093         }
2094
2095         /* the scp is now locked and current */
2096         key = cm_GenerateKey(CM_SESSION_IFS, ProcessId, 0);
2097
2098         code = cm_UnlockByKey(scp, key,
2099                               CM_UNLOCK_FLAG_BY_FID,
2100                               userp, &req);
2101
2102         cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
2103         lock_ReleaseWrite(&scp->rw);
2104
2105         if (scp->fileType == CM_SCACHETYPE_DIRECTORY)
2106             code = cm_RemoveDir(dscp, NULL, FileName, userp, &req);
2107         else
2108             code = cm_Unlink(dscp, NULL, FileName, userp, &req);
2109     } else {
2110         lock_ReleaseWrite(&scp->rw);
2111     }
2112
2113     if (code == 0) {
2114         (*ResultCB)->ResultStatus = 0;  // We will be able to fit all the data in here
2115
2116         (*ResultCB)->ResultBufferLength = sizeof( AFSFileDeleteResultCB);
2117
2118         pResultCB = (AFSFileDeleteResultCB *)(*ResultCB)->ResultData;
2119
2120         pResultCB->ParentDataVersion.QuadPart = dscp->dataVersion;
2121         osi_Log0(afsd_logp, "RDR_DeleteFileEntry SUCCESS");
2122     } else {
2123         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2124         (*ResultCB)->ResultStatus = status;
2125         (*ResultCB)->ResultBufferLength = 0;
2126         osi_Log2(afsd_logp, "RDR_DeleteFileEntry FAILURE code=0x%x status=0x%x",
2127                   code, status);
2128     }
2129
2130     cm_ReleaseSCache(dscp);
2131     cm_ReleaseSCache(scp);
2132
2133     return;
2134 }
2135
2136 void
2137 RDR_RenameFileEntry( IN cm_user_t *userp,
2138                      IN WCHAR    *SourceFileNameCounted,
2139                      IN DWORD     SourceFileNameLength,
2140                      IN AFSFileID SourceFileId,
2141                      IN AFSFileRenameCB *pRenameCB,
2142                      IN BOOL bWow64,
2143                      IN DWORD ResultBufferLength,
2144                      IN OUT AFSCommResult **ResultCB)
2145 {
2146
2147     AFSFileRenameResultCB *pResultCB = NULL;
2148     size_t size = sizeof(AFSCommResult) + ResultBufferLength - 1;
2149     AFSFileID              SourceParentId   = pRenameCB->SourceParentId;
2150     AFSFileID              TargetParentId   = pRenameCB->TargetParentId;
2151     WCHAR *                TargetFileNameCounted = pRenameCB->TargetName;
2152     DWORD                  TargetFileNameLength = pRenameCB->TargetNameLength;
2153     cm_fid_t               SourceParentFid;
2154     cm_fid_t               TargetParentFid;
2155     cm_scache_t *          oldDscp;
2156     cm_scache_t *          newDscp;
2157     wchar_t                shortName[13];
2158     wchar_t                SourceFileName[260];
2159     wchar_t                TargetFileName[260];
2160     cm_dirFid_t            dfid;
2161     cm_req_t               req;
2162     afs_uint32             code;
2163     DWORD                  status;
2164
2165     RDR_InitReq(&req);
2166     if ( bWow64 )
2167         req.flags |= CM_REQ_WOW64;
2168
2169     StringCchCopyNW(SourceFileName, 260, SourceFileNameCounted, SourceFileNameLength / sizeof(WCHAR));
2170     StringCchCopyNW(TargetFileName, 260, TargetFileNameCounted, TargetFileNameLength / sizeof(WCHAR));
2171
2172     osi_Log4(afsd_logp, "RDR_RenameFileEntry Source Parent FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
2173               SourceParentId.Cell,  SourceParentId.Volume,
2174               SourceParentId.Vnode, SourceParentId.Unique);
2175     osi_Log2(afsd_logp, "... Source Name=%S Length %u", osi_LogSaveStringW(afsd_logp, SourceFileName), SourceFileNameLength);
2176     osi_Log4(afsd_logp, "... Target Parent FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
2177               TargetParentId.Cell,  TargetParentId.Volume,
2178               TargetParentId.Vnode, TargetParentId.Unique);
2179     osi_Log2(afsd_logp, "... Target Name=%S Length %u", osi_LogSaveStringW(afsd_logp, TargetFileName), TargetFileNameLength);
2180
2181     *ResultCB = (AFSCommResult *)malloc( size);
2182     if (!(*ResultCB))
2183         return;
2184
2185     memset( *ResultCB,
2186             '\0',
2187             size);
2188
2189     pResultCB = (AFSFileRenameResultCB *)(*ResultCB)->ResultData;
2190
2191     if (SourceFileNameLength == 0 || TargetFileNameLength == 0)
2192     {
2193         osi_Log2(afsd_logp, "RDR_RenameFileEntry Invalid Name Length: src %u target %u",
2194                  SourceFileNameLength, TargetFileNameLength);
2195         (*ResultCB)->ResultStatus = STATUS_INVALID_PARAMETER;
2196         return;
2197     }
2198
2199     SourceParentFid.cell   = SourceParentId.Cell;
2200     SourceParentFid.volume = SourceParentId.Volume;
2201     SourceParentFid.vnode  = SourceParentId.Vnode;
2202     SourceParentFid.unique = SourceParentId.Unique;
2203     SourceParentFid.hash   = SourceParentId.Hash;
2204
2205     TargetParentFid.cell   = TargetParentId.Cell;
2206     TargetParentFid.volume = TargetParentId.Volume;
2207     TargetParentFid.vnode  = TargetParentId.Vnode;
2208     TargetParentFid.unique = TargetParentId.Unique;
2209     TargetParentFid.hash   = TargetParentId.Hash;
2210
2211     code = cm_GetSCache(&SourceParentFid, &oldDscp, userp, &req);
2212     if (code) {
2213         osi_Log1(afsd_logp, "RDR_RenameFileEntry cm_GetSCache source parent failed code 0x%x", code);
2214         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2215         (*ResultCB)->ResultStatus = status;
2216         return;
2217     }
2218
2219     lock_ObtainWrite(&oldDscp->rw);
2220     code = cm_SyncOp(oldDscp, NULL, userp, &req, 0,
2221                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2222     if (code) {
2223         osi_Log2(afsd_logp, "RDR_RenameFileEntry cm_SyncOp oldDscp 0x%p failed code 0x%x", oldDscp, code);
2224         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2225         (*ResultCB)->ResultStatus = status;
2226         lock_ReleaseWrite(&oldDscp->rw);
2227         cm_ReleaseSCache(oldDscp);
2228         return;
2229     }
2230
2231     cm_SyncOpDone(oldDscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2232     lock_ReleaseWrite(&oldDscp->rw);
2233
2234
2235     if (oldDscp->fileType != CM_SCACHETYPE_DIRECTORY) {
2236         osi_Log1(afsd_logp, "RDR_RenameFileEntry oldDscp 0x%p not a directory", oldDscp);
2237         (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
2238         cm_ReleaseSCache(oldDscp);
2239         return;
2240     }
2241
2242     code = cm_GetSCache(&TargetParentFid, &newDscp, userp, &req);
2243     if (code) {
2244         osi_Log1(afsd_logp, "RDR_RenameFileEntry cm_GetSCache target parent failed code 0x%x", code);
2245         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2246         (*ResultCB)->ResultStatus = status;
2247         cm_ReleaseSCache(oldDscp);
2248         return;
2249     }
2250
2251     lock_ObtainWrite(&newDscp->rw);
2252     code = cm_SyncOp(newDscp, NULL, userp, &req, 0,
2253                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2254     if (code) {
2255         osi_Log2(afsd_logp, "RDR_RenameFileEntry cm_SyncOp newDscp 0x%p failed code 0x%x", newDscp, code);
2256         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2257         (*ResultCB)->ResultStatus = status;
2258         lock_ReleaseWrite(&newDscp->rw);
2259         cm_ReleaseSCache(oldDscp);
2260         cm_ReleaseSCache(newDscp);
2261         return;
2262     }
2263
2264     cm_SyncOpDone(newDscp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2265     lock_ReleaseWrite(&newDscp->rw);
2266
2267
2268     if (newDscp->fileType != CM_SCACHETYPE_DIRECTORY) {
2269         osi_Log1(afsd_logp, "RDR_RenameFileEntry newDscp 0x%p not a directory", newDscp);
2270         (*ResultCB)->ResultStatus = STATUS_NOT_A_DIRECTORY;
2271         cm_ReleaseSCache(oldDscp);
2272         cm_ReleaseSCache(newDscp);
2273         return;
2274     }
2275
2276     code = cm_Rename( oldDscp, NULL, SourceFileName,
2277                       newDscp, TargetFileName, userp, &req);
2278     if (code == 0) {
2279         cm_dirOp_t dirop;
2280         cm_fid_t   targetFid;
2281         cm_scache_t *scp = 0;
2282         DWORD dwRemaining;
2283
2284         (*ResultCB)->ResultBufferLength = ResultBufferLength;
2285         dwRemaining = ResultBufferLength - sizeof( AFSFileRenameResultCB) + sizeof( AFSDirEnumEntry);
2286         (*ResultCB)->ResultStatus = 0;
2287
2288         pResultCB->SourceParentDataVersion.QuadPart = oldDscp->dataVersion;
2289         pResultCB->TargetParentDataVersion.QuadPart = newDscp->dataVersion;
2290
2291         osi_Log2(afsd_logp, "RDR_RenameFileEntry cm_Rename oldDscp 0x%p newDscp 0x%p SUCCESS",
2292                  oldDscp, newDscp);
2293
2294         code = cm_BeginDirOp( newDscp, userp, &req, CM_DIRLOCK_READ, CM_DIROP_FLAG_NONE, &dirop);
2295         if (code == 0) {
2296             code = cm_BPlusDirLookup(&dirop, TargetFileName, &targetFid);
2297             cm_EndDirOp(&dirop);
2298         }
2299
2300         if (code != 0) {
2301             osi_Log1(afsd_logp, "RDR_RenameFileEntry cm_BPlusDirLookup failed code 0x%x",
2302                      code);
2303             (*ResultCB)->ResultStatus = STATUS_OBJECT_PATH_INVALID;
2304             cm_ReleaseSCache(oldDscp);
2305             cm_ReleaseSCache(newDscp);
2306             return;
2307         }
2308
2309         osi_Log4(afsd_logp, "RDR_RenameFileEntry Target FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
2310                   targetFid.cell,  targetFid.volume,
2311                   targetFid.vnode, targetFid.unique);
2312
2313         code = cm_GetSCache(&targetFid, &scp, userp, &req);
2314         if (code) {
2315             osi_Log1(afsd_logp, "RDR_RenameFileEntry cm_GetSCache target failed code 0x%x", code);
2316             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2317             (*ResultCB)->ResultStatus = status;
2318             cm_ReleaseSCache(oldDscp);
2319             cm_ReleaseSCache(newDscp);
2320             return;
2321         }
2322
2323         /* Make sure the source vnode is current */
2324         lock_ObtainWrite(&scp->rw);
2325         code = cm_SyncOp(scp, NULL, userp, &req, 0,
2326                           CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2327         if (code) {
2328             osi_Log2(afsd_logp, "RDR_RenameFileEntry cm_SyncOp scp 0x%p failed code 0x%x", scp, code);
2329             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2330             (*ResultCB)->ResultStatus = status;
2331             lock_ReleaseWrite(&scp->rw);
2332             cm_ReleaseSCache(oldDscp);
2333             cm_ReleaseSCache(newDscp);
2334             cm_ReleaseSCache(scp);
2335             return;
2336         }
2337
2338         cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2339         lock_ReleaseWrite(&scp->rw);
2340
2341         dfid.vnode = htonl(scp->fid.vnode);
2342         dfid.unique = htonl(scp->fid.unique);
2343
2344         if (!cm_Is8Dot3(TargetFileName))
2345             cm_Gen8Dot3NameIntW(TargetFileName, &dfid, shortName, NULL);
2346         else
2347             shortName[0] = '\0';
2348
2349         RDR_PopulateCurrentEntry(&pResultCB->DirEnum, dwRemaining,
2350                                  newDscp, scp, userp, &req, TargetFileName, shortName,
2351                                  RDR_POP_FOLLOW_MOUNTPOINTS | RDR_POP_EVALUATE_SYMLINKS,
2352                                  NULL, &dwRemaining);
2353         (*ResultCB)->ResultBufferLength = ResultBufferLength - dwRemaining;
2354         cm_ReleaseSCache(scp);
2355
2356         osi_Log0(afsd_logp, "RDR_RenameFileEntry SUCCESS");
2357     } else {
2358         osi_Log3(afsd_logp, "RDR_RenameFileEntry cm_Rename oldDscp 0x%p newDscp 0x%p failed code 0x%x",
2359                  oldDscp, newDscp, code);
2360         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2361         (*ResultCB)->ResultStatus = status;
2362         (*ResultCB)->ResultBufferLength = 0;
2363     }
2364
2365     cm_ReleaseSCache(oldDscp);
2366     cm_ReleaseSCache(newDscp);
2367     return;
2368 }
2369
2370 void
2371 RDR_FlushFileEntry( IN cm_user_t *userp,
2372                     IN AFSFileID FileId,
2373                     IN BOOL bWow64,
2374                     IN DWORD ResultBufferLength,
2375                     IN OUT AFSCommResult **ResultCB)
2376 {
2377     cm_scache_t *scp = NULL;
2378     cm_fid_t    Fid;
2379     afs_uint32  code;
2380     cm_req_t    req;
2381     DWORD       status;
2382 #ifdef ODS_DEBUG
2383     char        dbgstr[1024];
2384 #endif
2385
2386     RDR_InitReq(&req);
2387     if ( bWow64 )
2388         req.flags |= CM_REQ_WOW64;
2389
2390     osi_Log4(afsd_logp, "RDR_FlushFileEntry File FID cell 0x%x vol 0x%x vno 0x%x uniq 0x%x",
2391               FileId.Cell, FileId.Volume,
2392               FileId.Vnode, FileId.Unique);
2393 #ifdef ODS_DEBUG
2394     snprintf( dbgstr, 1024,
2395               "RDR_FlushFileEntry File FID cell 0x%x vol 0x%x vno 0x%x uniq 0x%x\n",
2396               FileId.Cell, FileId.Volume,
2397               FileId.Vnode, FileId.Unique);
2398     OutputDebugStringA( dbgstr);
2399 #endif
2400
2401     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult));
2402     if (!(*ResultCB)) {
2403         osi_Log0(afsd_logp, "RDR_FlushFileEntry out of memory");
2404         return;
2405     }
2406
2407     memset( *ResultCB,
2408             '\0',
2409             sizeof( AFSCommResult));
2410
2411     /* Process the release */
2412     Fid.cell = FileId.Cell;
2413     Fid.volume = FileId.Volume;
2414     Fid.vnode = FileId.Vnode;
2415     Fid.unique = FileId.Unique;
2416     Fid.hash = FileId.Hash;
2417
2418     code = cm_GetSCache(&Fid, &scp, userp, &req);
2419     if (code) {
2420         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2421         (*ResultCB)->ResultStatus = status;
2422         osi_Log2(afsd_logp, "RDR_FlushFileEntry cm_GetSCache FID failure code=0x%x status=0x%x",
2423                   code, status);
2424         return;
2425     }
2426
2427     lock_ObtainWrite(&scp->rw);
2428     if (scp->flags & CM_SCACHEFLAG_DELETED) {
2429         lock_ReleaseWrite(&scp->rw);
2430         (*ResultCB)->ResultStatus = STATUS_INVALID_HANDLE;
2431         return;
2432     }
2433
2434     code = cm_SyncOp(scp, NULL, userp, &req, 0,
2435                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2436     if (code) {
2437         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2438         (*ResultCB)->ResultStatus = status;
2439         lock_ReleaseWrite(&scp->rw);
2440         cm_ReleaseSCache(scp);
2441         osi_Log3(afsd_logp, "RDR_FlushFileEntry cm_SyncOp failure scp=0x%p code=0x%x status=0x%x",
2442                  scp, code, status);
2443         return;
2444     }
2445
2446     cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2447     lock_ReleaseWrite(&scp->rw);
2448
2449     code = cm_FSync(scp, userp, &req, FALSE);
2450     cm_ReleaseSCache(scp);
2451
2452     if (code) {
2453         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2454         (*ResultCB)->ResultStatus = status;
2455         osi_Log2(afsd_logp, "RDR_FlushFileEntry FAILURE code=0x%x status=0x%x",
2456                   code, status);
2457     } else {
2458         (*ResultCB)->ResultStatus = 0;
2459         osi_Log0(afsd_logp, "RDR_FlushFileEntry SUCCESS");
2460     }
2461     (*ResultCB)->ResultBufferLength = 0;
2462
2463     return;
2464 }
2465
2466 afs_uint32
2467 RDR_CheckAccess( IN cm_scache_t *scp, cm_user_t *userp, cm_req_t *reqp,
2468                  ULONG access,
2469                  ULONG *granted)
2470 {
2471     ULONG afs_acc, afs_gr;
2472     BOOLEAN file, dir;
2473     afs_uint32 code = 0;
2474
2475     file = (scp->fileType == CM_SCACHETYPE_FILE);
2476     dir = !file;
2477
2478     /* access definitions from prs_fs.h */
2479     afs_acc = 0;
2480     if (access & FILE_READ_DATA)
2481         afs_acc |= PRSFS_READ;
2482     if (access & FILE_READ_EA || access & FILE_READ_ATTRIBUTES)
2483         afs_acc |= PRSFS_READ;
2484     if (file && ((access & FILE_WRITE_DATA) || (access & FILE_APPEND_DATA)))
2485         afs_acc |= PRSFS_WRITE;
2486     if (access & FILE_WRITE_EA || access & FILE_WRITE_ATTRIBUTES)
2487         afs_acc |= PRSFS_WRITE;
2488     if (dir && ((access & FILE_ADD_FILE) || (access & FILE_ADD_SUBDIRECTORY)))
2489         afs_acc |= PRSFS_INSERT;
2490     if (dir && (access & FILE_LIST_DIRECTORY))
2491         afs_acc |= PRSFS_LOOKUP;
2492     if (file && (access & FILE_EXECUTE))
2493         afs_acc |= PRSFS_WRITE;
2494     if (dir && (access & FILE_TRAVERSE))
2495         afs_acc |= PRSFS_READ;
2496     if (dir && (access & FILE_DELETE_CHILD))
2497         afs_acc |= PRSFS_DELETE;
2498     if ((access & DELETE))
2499         afs_acc |= PRSFS_DELETE;
2500
2501     /* check ACL with server */
2502     lock_ObtainWrite(&scp->rw);
2503     while (1)
2504     {
2505         if (cm_HaveAccessRights(scp, userp, reqp, afs_acc, &afs_gr))
2506         {
2507             break;
2508         }
2509         else
2510         {
2511             /* we don't know the required access rights */
2512             code = cm_GetAccessRights(scp, userp, reqp);
2513             if (code)
2514                 break;
2515             continue;
2516         }
2517     }
2518     lock_ReleaseWrite(&(scp->rw));
2519
2520     if (code == 0) {
2521         *granted = 0;
2522         if (afs_gr & PRSFS_READ)
2523             *granted |= FILE_READ_DATA | FILE_READ_EA | FILE_READ_ATTRIBUTES | FILE_EXECUTE;
2524         if (afs_gr & PRSFS_WRITE)
2525             *granted |= FILE_WRITE_DATA | FILE_APPEND_DATA | FILE_WRITE_EA | FILE_WRITE_ATTRIBUTES | FILE_EXECUTE;
2526         if (afs_gr & PRSFS_INSERT)
2527             *granted |= (dir ? FILE_ADD_FILE | FILE_ADD_SUBDIRECTORY : 0) | (file ? FILE_ADD_SUBDIRECTORY : 0);
2528         if (afs_gr & PRSFS_LOOKUP)
2529             *granted |= (dir ? FILE_LIST_DIRECTORY : 0);
2530         if (afs_gr & PRSFS_DELETE)
2531             *granted |= FILE_DELETE_CHILD | DELETE;
2532         if (afs_gr & PRSFS_LOCK)
2533             *granted |= 0;
2534         if (afs_gr & PRSFS_ADMINISTER)
2535             *granted |= 0;
2536
2537         *granted |= SYNCHRONIZE | READ_CONTROL;
2538
2539         /* don't give more access than what was requested */
2540         *granted &= access;
2541         osi_Log3(afsd_logp, "RDR_CheckAccess SUCCESS scp=0x%p requested=0x%x granted=0x%x", scp, access, *granted);
2542     } else
2543         osi_Log2(afsd_logp, "RDR_CheckAccess FAILURE scp=0x%p code=0x%x",
2544                  scp, code);
2545
2546     return code;
2547 }
2548
2549 void
2550 RDR_OpenFileEntry( IN cm_user_t *userp,
2551                    IN AFSFileID FileId,
2552                    IN AFSFileOpenCB *OpenCB,
2553                    IN BOOL bWow64,
2554                    IN BOOL bHoldFid,
2555                    IN DWORD ResultBufferLength,
2556                    IN OUT AFSCommResult **ResultCB)
2557 {
2558     AFSFileOpenResultCB *pResultCB = NULL;
2559     cm_scache_t *scp = NULL;
2560     cm_user_t   *sysUserp = NULL;
2561     cm_fid_t    Fid;
2562     cm_lock_data_t      *ldp = NULL;
2563     afs_uint32  code;
2564     cm_req_t    req;
2565     DWORD       status;
2566
2567     RDR_InitReq(&req);
2568     if ( bWow64 )
2569         req.flags |= CM_REQ_WOW64;
2570
2571     osi_Log4(afsd_logp, "RDR_OpenFileEntry File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
2572               FileId.Cell, FileId.Volume,
2573               FileId.Vnode, FileId.Unique);
2574
2575     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult) + sizeof( AFSFileOpenResultCB));
2576     if (!(*ResultCB)) {
2577         osi_Log0(afsd_logp, "RDR_OpenFileEntry out of memory");
2578         return;
2579     }
2580
2581     memset( *ResultCB,
2582             '\0',
2583             sizeof( AFSCommResult) + sizeof( AFSFileOpenResultCB));
2584
2585     pResultCB = (AFSFileOpenResultCB *)(*ResultCB)->ResultData;
2586
2587     /* Process the release */
2588     Fid.cell = FileId.Cell;
2589     Fid.volume = FileId.Volume;
2590     Fid.vnode = FileId.Vnode;
2591     Fid.unique = FileId.Unique;
2592     Fid.hash = FileId.Hash;
2593
2594     code = cm_GetSCache(&Fid, &scp, userp, &req);
2595     if (code) {
2596         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2597         (*ResultCB)->ResultStatus = status;
2598         osi_Log2(afsd_logp, "RDR_OpenFileEntry cm_GetSCache FID failure code=0x%x status=0x%x",
2599                   code, status);
2600         return;
2601     }
2602
2603     lock_ObtainWrite(&scp->rw);
2604     code = cm_SyncOp(scp, NULL, userp, &req, 0,
2605                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2606     if (code) {
2607         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2608         (*ResultCB)->ResultStatus = status;
2609         lock_ReleaseWrite(&scp->rw);
2610         cm_ReleaseSCache(scp);
2611         osi_Log3(afsd_logp, "RDR_OpenFileEntry cm_SyncOp failure scp=0x%p code=0x%x status=0x%x",
2612                  scp, code, status);
2613         return;
2614     }
2615
2616     cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2617     lock_ReleaseWrite(&scp->rw);
2618
2619     sysUserp = RDR_GetLocalSystemUser();
2620
2621     /*
2622      * Skip the open check if the request is coming from the local system account.
2623      * The local system has no tokens and therefore any requests sent to a file
2624      * server will fail.  Unfortunately, there are special system processes that
2625      * perform actions on files and directories in preparation for memory mapping
2626      * executables.  If the open check fails, the real request from the user process
2627      * will never be issued.
2628      *
2629      * Permitting the file system to allow subsequent operations to proceed does
2630      * not compromise security.  All requests to obtain file data or directory
2631      * enumerations will subsequently fail if they are not submitted under the
2632      * context of a process for that have access to the necessary credentials.
2633      */
2634
2635     if ( userp == sysUserp)
2636     {
2637         osi_Log1(afsd_logp, "RDR_OpenFileEntry LOCAL_SYSTEM access check skipped scp=0x%p",
2638                  scp);
2639         pResultCB->GrantedAccess = OpenCB->DesiredAccess;
2640         pResultCB->FileAccess = AFS_FILE_ACCESS_NOLOCK;
2641         code = 0;
2642     }
2643     else
2644     {
2645         int count = 0;
2646
2647         do {
2648             if (count++ > 0) {
2649                 Sleep(350);
2650                 osi_Log3(afsd_logp,
2651                          "RDR_OpenFileEntry repeating open check scp=0x%p userp=0x%p code=0x%x",
2652                          scp, userp, code);
2653             }
2654             code = cm_CheckNTOpen(scp, OpenCB->DesiredAccess, OpenCB->ShareAccess,
2655                                   OPEN_ALWAYS,
2656                                   OpenCB->ProcessId, OpenCB->Identifier,
2657                                   userp, &req, &ldp);
2658             if (code == 0)
2659                 code = RDR_CheckAccess(scp, userp, &req, OpenCB->DesiredAccess, &pResultCB->GrantedAccess);
2660             cm_CheckNTOpenDone(scp, userp, &req, &ldp);
2661         } while (count < 100 && (code == CM_ERROR_RETRY || code == CM_ERROR_WOULDBLOCK));
2662     }
2663
2664     /*
2665      * If we are restricting sharing, we should do so with a suitable
2666      * share lock.
2667      */
2668     if (code == 0 && scp->fileType == CM_SCACHETYPE_FILE && !(OpenCB->ShareAccess & FILE_SHARE_WRITE)) {
2669         cm_key_t key;
2670         LARGE_INTEGER LOffset, LLength;
2671         int sLockType;
2672
2673         LOffset.HighPart = SMB_FID_QLOCK_HIGH;
2674         LOffset.LowPart = SMB_FID_QLOCK_LOW;
2675         LLength.HighPart = 0;
2676         LLength.LowPart = SMB_FID_QLOCK_LENGTH;
2677
2678         /*
2679          * If we are not opening the file for writing, then we don't
2680          * try to get an exclusive lock.  No one else should be able to
2681          * get an exclusive lock on the file anyway, although someone
2682          * else can get a shared lock.
2683          */
2684         if ((OpenCB->ShareAccess & FILE_SHARE_READ) || !(OpenCB->DesiredAccess & AFS_ACCESS_WRITE))
2685         {
2686             sLockType = LOCKING_ANDX_SHARED_LOCK;
2687         } else {
2688             sLockType = 0;
2689         }
2690
2691         key = cm_GenerateKey(CM_SESSION_IFS, SMB_FID_QLOCK_PID, OpenCB->Identifier);
2692
2693         lock_ObtainWrite(&scp->rw);
2694         code = cm_Lock(scp, sLockType, LOffset, LLength, key, 0, userp, &req, NULL);
2695         lock_ReleaseWrite(&scp->rw);
2696
2697         if (code) {
2698             code = CM_ERROR_SHARING_VIOLATION;
2699             pResultCB->FileAccess = AFS_FILE_ACCESS_NOLOCK;
2700         } else {
2701             if (sLockType == LOCKING_ANDX_SHARED_LOCK)
2702                 pResultCB->FileAccess = AFS_FILE_ACCESS_SHARED;
2703             else
2704                 pResultCB->FileAccess = AFS_FILE_ACCESS_EXCLUSIVE;
2705         }
2706     } else {
2707         pResultCB->FileAccess = AFS_FILE_ACCESS_NOLOCK;
2708     }
2709
2710     cm_ReleaseUser(sysUserp);
2711     if (code == 0 && bHoldFid)
2712         RDR_FlagScpInUse( scp, FALSE );
2713     cm_ReleaseSCache(scp);
2714
2715     if (code) {
2716         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2717         (*ResultCB)->ResultStatus = status;
2718         osi_Log2(afsd_logp, "RDR_OpenFileEntry FAILURE code=0x%x status=0x%x",
2719                   code, status);
2720     } else {
2721         (*ResultCB)->ResultStatus = 0;
2722         (*ResultCB)->ResultBufferLength = sizeof( AFSFileOpenResultCB);
2723         osi_Log0(afsd_logp, "RDR_OpenFileEntry SUCCESS");
2724     }
2725     return;
2726 }
2727
2728 void
2729 RDR_ReleaseFileAccess( IN cm_user_t *userp,
2730                        IN AFSFileID FileId,
2731                        IN AFSFileAccessReleaseCB *ReleaseFileCB,
2732                        IN BOOL bWow64,
2733                        IN DWORD ResultBufferLength,
2734                        IN OUT AFSCommResult **ResultCB)
2735 {
2736     cm_key_t key;
2737     unsigned int sLockType;
2738     LARGE_INTEGER LOffset, LLength;
2739     cm_scache_t *scp = NULL;
2740     cm_fid_t    Fid;
2741     afs_uint32  code;
2742     cm_req_t    req;
2743     DWORD       status;
2744
2745     RDR_InitReq(&req);
2746     if ( bWow64 )
2747         req.flags |= CM_REQ_WOW64;
2748
2749     osi_Log4(afsd_logp, "RDR_ReleaseFileAccess File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
2750               FileId.Cell, FileId.Volume,
2751               FileId.Vnode, FileId.Unique);
2752
2753     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult));
2754     if (!(*ResultCB)) {
2755         osi_Log0(afsd_logp, "RDR_ReleaseFileAccess out of memory");
2756         return;
2757     }
2758
2759     memset( *ResultCB, '\0', sizeof( AFSCommResult));
2760
2761     if (ReleaseFileCB->FileAccess == AFS_FILE_ACCESS_NOLOCK)
2762         return;
2763
2764     /* Process the release */
2765     Fid.cell = FileId.Cell;
2766     Fid.volume = FileId.Volume;
2767     Fid.vnode = FileId.Vnode;
2768     Fid.unique = FileId.Unique;
2769     Fid.hash = FileId.Hash;
2770
2771     code = cm_GetSCache(&Fid, &scp, userp, &req);
2772     if (code) {
2773         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
2774         (*ResultCB)->ResultStatus = status;
2775         osi_Log2(afsd_logp, "RDR_ReleaseFileAccess cm_GetSCache FID failure code=0x%x status=0x%x",
2776                   code, status);
2777         return;
2778     }
2779
2780     if (ReleaseFileCB->FileAccess == AFS_FILE_ACCESS_SHARED)
2781         sLockType = LOCKING_ANDX_SHARED_LOCK;
2782     else
2783         sLockType = 0;
2784
2785     key = cm_GenerateKey(CM_SESSION_IFS, SMB_FID_QLOCK_PID, ReleaseFileCB->Identifier);
2786
2787     LOffset.HighPart = SMB_FID_QLOCK_HIGH;
2788     LOffset.LowPart = SMB_FID_QLOCK_LOW;
2789     LLength.HighPart = 0;
2790     LLength.LowPart = SMB_FID_QLOCK_LENGTH;
2791
2792     lock_ObtainWrite(&scp->rw);
2793
2794     code = cm_SyncOp(scp, NULL, userp, &req, 0, CM_SCACHESYNC_LOCK);
2795     if (code == 0)
2796     {
2797         code = cm_Unlock(scp, sLockType, LOffset, LLength, key, 0, userp, &req);
2798
2799         cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_LOCK);
2800
2801         if (code == CM_ERROR_RANGE_NOT_LOCKED)
2802         {
2803             osi_Log3(afsd_logp, "RDR_ReleaseFileAccess Range Not Locked -- FileAccess 0x%x ProcessId 0x%x HandleId 0x%x",
2804                      ReleaseFileCB->FileAccess, ReleaseFileCB->ProcessId, ReleaseFileCB->Identifier);
2805         }
2806     }
2807
2808     lock_ReleaseWrite(&scp->rw);
2809
2810     osi_Log0(afsd_logp, "RDR_ReleaseFileAccessEntry SUCCESS");
2811 }
2812
2813 static const char *
2814 HexCheckSum(unsigned char * buf, int buflen, unsigned char * md5cksum)
2815 {
2816     int i, k;
2817     static char tr[16] = {'0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'};
2818
2819     if (buflen < 33)
2820         return "buffer length too small to HexCheckSum";
2821
2822     for (i=0;i<16;i++) {
2823         k = md5cksum[i];
2824
2825         buf[i*2] = tr[k / 16];
2826         buf[i*2+1] = tr[k % 16];
2827     }
2828     buf[32] = '\0';
2829
2830     return buf;
2831 }
2832
2833 /*
2834  * Extent requests from the file system are triggered when a file
2835  * page is not resident in the Windows cache.  The file system is
2836  * responsible for loading the page but cannot block the request
2837  * while doing so.  The AFS Redirector forwards the requests to
2838  * the AFS cache manager while indicating to Windows that the page
2839  * is not yet available.  A polling operation will then ensue with
2840  * the AFS Redirector issuing a RDR_RequestFileExtentsXXX call for
2841  * each poll attempt.  As each request is received and processed
2842  * by a separate worker thread in the service, this can lead to
2843  * contention by multiple threads attempting to claim the same
2844  * cm_buf_t objects.  Therefore, it is important that
2845  *
2846  *  (a) the service avoid processing more than one overlapping
2847  *      extent request at a time
2848  *  (b) background daemon processing be used to avoid blocking
2849  *      of ioctl threads
2850  *
2851  * Beginning with the 20091122 build of the redirector, the redirector
2852  * will not issue an additional RDR_RequestFileExtentsXXX call for
2853  * each poll request.  Instead, afsd_service is required to track
2854  * the requests and return them to the redirector or fail the
2855  * portions of the request that cannot be satisfied.
2856  *
2857  * The request processing returns any extents that can be returned
2858  * immediately to the redirector.  The rest of the requested range(s)
2859  * are queued as background operations using RDR_BkgFetch().
2860  */
2861
2862 /* do the background fetch. */
2863 afs_int32
2864 RDR_BkgFetch(cm_scache_t *scp, afs_uint32 p1, afs_uint32 p2, afs_uint32 p3, afs_uint32 p4,
2865              cm_user_t *userp, cm_req_t *reqp)
2866 {
2867     osi_hyper_t length;
2868     osi_hyper_t base;
2869     osi_hyper_t offset;
2870     osi_hyper_t end;
2871     osi_hyper_t fetched;
2872     osi_hyper_t tblocksize;
2873     afs_int32 code;
2874     int rwheld = 0;
2875     cm_buf_t *bufp = NULL;
2876     DWORD dwResultBufferLength;
2877     AFSSetFileExtentsCB *pResultCB;
2878     DWORD status;
2879     afs_uint32 count=0;
2880     AFSFileID FileId;
2881     int reportErrorToRedir = 0;
2882     int force_retry = 0;
2883
2884     FileId.Cell = scp->fid.cell;
2885     FileId.Volume = scp->fid.volume;
2886     FileId.Vnode = scp->fid.vnode;
2887     FileId.Unique = scp->fid.unique;
2888     FileId.Hash = scp->fid.hash;
2889
2890     if ((GetTickCount() - reqp->startTime) / 1000 > HardDeadtimeout * 5) {
2891         RDR_SetFileStatus( &scp->fid, STATUS_IO_TIMEOUT);
2892         return 0;
2893     }
2894
2895     fetched.LowPart = 0;
2896     fetched.HighPart = 0;
2897     tblocksize = ConvertLongToLargeInteger(cm_data.buf_blockSize);
2898     base.LowPart = p1;
2899     base.HighPart = p2;
2900     length.LowPart = p3;
2901     length.HighPart = p4;
2902
2903     end = LargeIntegerAdd(base, length);
2904
2905     osi_Log5(afsd_logp, "Starting BKG Fetch scp 0x%p offset 0x%x:%x length 0x%x:%x",
2906              scp, p2, p1, p4, p3);
2907
2908     /*
2909      * Make sure we have a callback.
2910      * This is necessary so that we can return access denied
2911      * if a callback cannot be granted.
2912      */
2913     lock_ObtainWrite(&scp->rw);
2914     code = cm_SyncOp(scp, NULL, userp, reqp, PRSFS_READ,
2915                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
2916     if (code) {
2917         lock_ReleaseWrite(&scp->rw);
2918         osi_Log2(afsd_logp, "RDR_BkgFetch cm_SyncOp failure scp=0x%p code=0x%x",
2919                  scp, code);
2920         smb_MapNTError(cm_MapRPCError(code, reqp), &status, TRUE);
2921         RDR_SetFileStatus( &scp->fid, status);
2922         return code;
2923     }
2924     lock_ReleaseWrite(&scp->rw);
2925
2926     dwResultBufferLength = (DWORD)(sizeof( AFSSetFileExtentsCB) + sizeof( AFSSetFileExtentsCB) * (length.QuadPart / cm_data.blockSize + 1));
2927     pResultCB = (AFSSetFileExtentsCB *)malloc( dwResultBufferLength );
2928     if (!pResultCB)
2929         return CM_ERROR_RETRY;
2930
2931     memset( pResultCB, '\0', dwResultBufferLength );
2932     pResultCB->FileId = FileId;
2933
2934     for ( code = 0, offset = base;
2935           code == 0 && LargeIntegerLessThan(offset, end);
2936           offset = LargeIntegerAdd(offset, tblocksize) )
2937     {
2938         int bBufRelease = TRUE;
2939
2940         if (rwheld) {
2941             lock_ReleaseWrite(&scp->rw);
2942             rwheld = 0;
2943         }
2944
2945         code = buf_Get(scp, &offset, reqp, &bufp);
2946         if (code) {
2947             /*
2948              * any error from buf_Get() is non-fatal.
2949              * we need to re-queue this extent fetch.
2950              */
2951             force_retry = 1;
2952             continue;
2953         }
2954
2955         if (!rwheld) {
2956             lock_ObtainWrite(&scp->rw);
2957             rwheld = 1;
2958         }
2959
2960         code = cm_GetBuffer(scp, bufp, NULL, userp, reqp);
2961         if (code == 0) {
2962             if (bufp->flags & CM_BUF_DIRTY)
2963                 cm_BufWrite(scp, &bufp->offset, cm_chunkSize, CM_BUF_WRITE_SCP_LOCKED, userp, reqp);
2964
2965             if (!(bufp->qFlags & CM_BUF_QREDIR)) {
2966 #ifdef VALIDATE_CHECK_SUM
2967 #ifdef ODS_DEBUG
2968                 char md5dbg[33];
2969                 char dbgstr[1024];
2970 #endif
2971 #endif
2972                 lock_ObtainWrite(&buf_globalLock);
2973                 if (!(bufp->flags & CM_BUF_DIRTY) &&
2974                     bufp->cmFlags == 0 &&
2975                     !(bufp->qFlags & CM_BUF_QREDIR)) {
2976                     buf_InsertToRedirQueue(scp, bufp);
2977                     lock_ReleaseWrite(&buf_globalLock);
2978
2979 #ifdef VALIDATE_CHECK_SUM
2980                     buf_ComputeCheckSum(bufp);
2981 #endif
2982                     pResultCB->FileExtents[count].Flags = 0;
2983                     pResultCB->FileExtents[count].FileOffset.QuadPart = bufp->offset.QuadPart;
2984                     pResultCB->FileExtents[count].CacheOffset.QuadPart = bufp->datap - RDR_extentBaseAddress;
2985                     pResultCB->FileExtents[count].Length = cm_data.blockSize;
2986                     count++;
2987                     fetched = LargeIntegerAdd(fetched, tblocksize);
2988                     bBufRelease = FALSE;
2989
2990 #ifdef VALIDATE_CHECK_SUM
2991 #ifdef ODS_DEBUG
2992                     HexCheckSum(md5dbg, sizeof(md5dbg), bufp->md5cksum);
2993                     snprintf( dbgstr, 1024,
2994                               "RDR_BkgFetch md5 %s vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
2995                               md5dbg,
2996                               scp->fid.volume, scp->fid.vnode, scp->fid.unique,
2997                               pResultCB->FileExtents[count].FileOffset.HighPart,
2998                               pResultCB->FileExtents[count].FileOffset.LowPart,
2999                               pResultCB->FileExtents[count].CacheOffset.HighPart,
3000                               pResultCB->FileExtents[count].CacheOffset.LowPart);
3001                     OutputDebugStringA( dbgstr);
3002 #endif
3003 #endif
3004                     osi_Log4(afsd_logp, "RDR_BkgFetch Extent2FS bufp 0x%p foffset 0x%p coffset 0x%p len 0x%x",
3005                               bufp, bufp->offset.QuadPart, bufp->datap - RDR_extentBaseAddress, cm_data.blockSize);
3006                 } else {
3007                     lock_ReleaseWrite(&buf_globalLock);
3008                     if ((bufp->cmFlags != 0) || (bufp->flags & CM_BUF_DIRTY)) {
3009                         /* An I/O operation is already in progress */
3010                         force_retry = 1;
3011                         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",
3012                                   bufp, bufp->offset.QuadPart, bufp->datap - RDR_extentBaseAddress, cm_data.blockSize);
3013                     } else {
3014                         osi_Log4(afsd_logp, "RDR_BkgFetch Extent2FS Already held by Redirector bufp 0x%p foffset 0x%p coffset 0x%p len 0x%x",
3015                                   bufp, bufp->offset.QuadPart, bufp->datap - RDR_extentBaseAddress, cm_data.blockSize);
3016                     }
3017                 }
3018             } else {
3019                 osi_Log4(afsd_logp, "RDR_BkgFetch Extent2FS Already held by Redirector bufp 0x%p foffset 0x%p coffset 0x%p len 0x%x",
3020                           bufp, bufp->offset.QuadPart, bufp->datap - RDR_extentBaseAddress, cm_data.blockSize);
3021             }
3022         } else {
3023             /*
3024              * depending on what the error from cm_GetBuffer is
3025              * it may or may not be fatal.  Only return fatal errors.
3026              * Re-queue a request for others.
3027              */
3028             osi_Log5(afsd_logp, "RDR_BkgFetch Extent2FS FAILURE bufp 0x%p foffset 0x%p coffset 0x%p len 0x%x code 0x%x",
3029                       bufp, offset.QuadPart, bufp->datap - RDR_extentBaseAddress, cm_data.blockSize, code);
3030             switch (code) {
3031             case CM_ERROR_NOACCESS:
3032             case CM_ERROR_NOSUCHFILE:
3033             case CM_ERROR_NOSUCHPATH:
3034             case CM_ERROR_NOSUCHVOLUME:
3035             case CM_ERROR_NOSUCHCELL:
3036             case CM_ERROR_INVAL:
3037             case CM_ERROR_BADFD:
3038             case CM_ERROR_CLOCKSKEW:
3039             case RXKADNOAUTH:
3040             case CM_ERROR_QUOTA:
3041             case CM_ERROR_LOCK_CONFLICT:
3042                 /*
3043                  * these are fatal errors.  deliver what we can
3044                  * and halt.
3045                  */
3046                 reportErrorToRedir = 1;
3047                 break;
3048             default:
3049                 /*
3050                  * non-fatal errors.  re-queue the exent
3051                  */
3052                 code = CM_ERROR_RETRY;
3053             }
3054         }
3055
3056         if (bBufRelease)
3057             buf_Release(bufp);
3058     }
3059
3060     if (!rwheld) {
3061         lock_ObtainWrite(&scp->rw);
3062         rwheld = 1;
3063     }
3064
3065     /* wakeup anyone who is waiting */
3066     if (scp->flags & CM_SCACHEFLAG_WAITING) {
3067         osi_Log1(afsd_logp, "RDR Bkg Fetch Waking scp 0x%p", scp);
3068         osi_Wakeup((LONG_PTR) &scp->flags);
3069     }
3070     lock_ReleaseWrite(&scp->rw);
3071
3072     if (count > 0) {
3073         pResultCB->ExtentCount = count;
3074         RDR_SetFileExtents( pResultCB, dwResultBufferLength);
3075     }
3076     free(pResultCB);
3077
3078     if (reportErrorToRedir) {
3079         smb_MapNTError(cm_MapRPCError(code, reqp), &status, TRUE);
3080         RDR_SetFileStatus( &scp->fid, status);
3081     }
3082
3083     osi_Log4(afsd_logp, "Ending BKG Fetch scp 0x%p code 0x%x fetched 0x%x:%x",
3084              scp, code, fetched.HighPart, fetched.LowPart);
3085
3086     return force_retry ? CM_ERROR_RETRY : code;
3087 }
3088
3089
3090 BOOL
3091 RDR_RequestFileExtentsAsync( IN cm_user_t *userp,
3092                              IN AFSFileID FileId,
3093                              IN AFSRequestExtentsCB *RequestExtentsCB,
3094                              IN BOOL bWow64,
3095                              IN OUT DWORD * ResultBufferLength,
3096                              IN OUT AFSSetFileExtentsCB **ResultCB)
3097 {
3098     AFSSetFileExtentsCB *pResultCB = NULL;
3099     DWORD Length;
3100     DWORD count;
3101     DWORD status;
3102     cm_scache_t *scp = NULL;
3103     cm_fid_t    Fid;
3104     cm_buf_t    *bufp;
3105     afs_uint32  code = 0;
3106     osi_hyper_t thyper;
3107     LARGE_INTEGER ByteOffset, BeginOffset, EndOffset, QueueOffset;
3108     afs_uint32  QueueLength;
3109     cm_req_t    req;
3110     BOOLEAN     bBufRelease = TRUE;
3111
3112     RDR_InitReq(&req);
3113     if ( bWow64 )
3114         req.flags |= CM_REQ_WOW64;
3115     req.flags |= CM_REQ_NORETRY;
3116
3117     osi_Log4(afsd_logp, "RDR_RequestFileExtentsAsync File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
3118               FileId.Cell, FileId.Volume,
3119               FileId.Vnode, FileId.Unique);
3120     osi_Log4(afsd_logp, "... Flags 0x%x ByteOffset 0x%x:%x Length 0x%x",
3121              RequestExtentsCB->Flags,
3122              RequestExtentsCB->ByteOffset.HighPart, RequestExtentsCB->ByteOffset.LowPart,
3123              RequestExtentsCB->Length);
3124     Length = sizeof( AFSSetFileExtentsCB) + sizeof( AFSFileExtentCB) * (RequestExtentsCB->Length / cm_data.blockSize + 1);
3125
3126     pResultCB = *ResultCB = (AFSSetFileExtentsCB *)malloc( Length );
3127     if (*ResultCB == NULL) {
3128         *ResultBufferLength = 0;
3129         return FALSE;
3130     }
3131     *ResultBufferLength = Length;
3132
3133     memset( pResultCB, '\0', Length );
3134     pResultCB->FileId = FileId;
3135
3136     Fid.cell = FileId.Cell;
3137     Fid.volume = FileId.Volume;
3138     Fid.vnode = FileId.Vnode;
3139     Fid.unique = FileId.Unique;
3140     Fid.hash = FileId.Hash;
3141
3142     code = cm_GetSCache(&Fid, &scp, userp, &req);
3143     if (code) {
3144         osi_Log1(afsd_logp, "RDR_RequestFileExtentsAsync cm_GetSCache FID failure code=0x%x",
3145                   code);
3146         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
3147         return FALSE;
3148     }
3149
3150     /*
3151      * Make sure we have a callback.
3152      * This is necessary so that we can return access denied
3153      * if a callback cannot be granted.
3154      */
3155     lock_ObtainWrite(&scp->rw);
3156     code = cm_SyncOp(scp, NULL, userp, &req, PRSFS_READ,
3157                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
3158     lock_ReleaseWrite(&scp->rw);
3159     if (code) {
3160         cm_ReleaseSCache(scp);
3161         osi_Log2(afsd_logp, "RDR_RequestFileExtentsAsync cm_SyncOp failure scp=0x%p code=0x%x",
3162                  scp, code);
3163         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
3164         RDR_SetFileStatus( &scp->fid, status);
3165         return FALSE;
3166     }
3167
3168     /* Allocate the extents from the buffer package */
3169     for ( count = 0,
3170           ByteOffset = BeginOffset = RequestExtentsCB->ByteOffset,
3171           EndOffset.QuadPart = ByteOffset.QuadPart + RequestExtentsCB->Length;
3172           code == 0 && ByteOffset.QuadPart < EndOffset.QuadPart;
3173           ByteOffset.QuadPart += cm_data.blockSize)
3174     {
3175         BOOL bHaveBuffer = FALSE;
3176
3177         QueueLength = 0;
3178         thyper.QuadPart = ByteOffset.QuadPart;
3179
3180         code = buf_Get(scp, &thyper, &req, &bufp);
3181         if (code == 0) {
3182             lock_ObtainMutex(&bufp->mx);
3183             bBufRelease = TRUE;
3184
3185             if (bufp->qFlags & CM_BUF_QREDIR) {
3186                 bHaveBuffer = TRUE;
3187             } else if (bufp->flags & CM_BUF_DIRTY) {
3188                 bHaveBuffer = FALSE;
3189 #if 0
3190                 code = buf_CleanAsyncLocked(scp, bufp, &req, 0, NULL);
3191                 switch (code) {
3192                 case 0:
3193                     bHaveBuffer = TRUE;
3194                     break;
3195                 case CM_ERROR_RETRY:
3196                     /* Couldn't flush it, obtain it asynchronously so we don't block the thread. */
3197                     bHaveBuffer = FALSE;
3198                     code = 0;
3199                     break;
3200                 default:
3201                     smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
3202                     RDR_SetFileStatus(&FileId, status);
3203                     bHaveBuffer = FALSE;
3204                     code = 0;
3205                 }
3206 #endif
3207             } else {
3208                 osi_hyper_t minLength;  /* effective end of file */
3209
3210                 lock_ObtainRead(&scp->rw);
3211                 bHaveBuffer = cm_HaveBuffer(scp, bufp, TRUE);
3212
3213                 if (LargeIntegerGreaterThan(scp->length, scp->serverLength))
3214                     minLength = scp->serverLength;
3215                 else
3216                     minLength = scp->length;
3217
3218                 if (!bHaveBuffer &&
3219                     LargeIntegerGreaterThanOrEqualTo(bufp->offset, minLength)) {
3220                     memset(bufp->datap, 0, cm_data.buf_blockSize);
3221                     bufp->dataVersion = scp->dataVersion;
3222                     bHaveBuffer = TRUE;
3223                 }
3224                 else if ((RequestExtentsCB->Flags & AFS_EXTENT_FLAG_CLEAN) &&
3225                          ByteOffset.QuadPart <= bufp->offset.QuadPart &&
3226                          EndOffset.QuadPart >= bufp->offset.QuadPart + cm_data.blockSize)
3227                 {
3228                     memset(bufp->datap, 0, cm_data.blockSize);
3229                     bufp->dataVersion = scp->dataVersion;
3230                     buf_SetDirty(bufp, &req, 0, cm_data.blockSize, userp);
3231                     bHaveBuffer = TRUE;
3232                 }
3233                 lock_ReleaseRead(&scp->rw);
3234             }
3235
3236             /*
3237              * if this buffer is already up to date, skip it.
3238              */
3239             if (bHaveBuffer) {
3240                 if (ByteOffset.QuadPart == BeginOffset.QuadPart) {
3241                     BeginOffset.QuadPart += cm_data.blockSize;
3242                 } else {
3243                     QueueLength = (afs_uint32)(ByteOffset.QuadPart - BeginOffset.QuadPart);
3244                     QueueOffset = BeginOffset;
3245                     BeginOffset = ByteOffset;
3246                 }
3247
3248                 if (!(bufp->qFlags & CM_BUF_QREDIR)) {
3249 #ifdef VALIDATE_CHECK_SUM
3250 #ifdef ODS_DEBUG
3251                     char md5dbg[33];
3252                     char dbgstr[1024];
3253 #endif
3254 #endif
3255                     lock_ObtainWrite(&buf_globalLock);
3256                     if (!(bufp->qFlags & CM_BUF_QREDIR)) {
3257                         buf_InsertToRedirQueue(scp, bufp);
3258                         lock_ReleaseWrite(&buf_globalLock);
3259
3260 #ifdef VALIDATE_CHECK_SUM
3261                         buf_ComputeCheckSum(bufp);
3262 #endif
3263                         /* we already have the buffer, return it now */
3264                         pResultCB->FileExtents[count].Flags = 0;
3265                         pResultCB->FileExtents[count].FileOffset = ByteOffset;
3266                         pResultCB->FileExtents[count].CacheOffset.QuadPart = bufp->datap - RDR_extentBaseAddress;
3267                         pResultCB->FileExtents[count].Length = cm_data.blockSize;
3268                         count++;
3269
3270                         bBufRelease = FALSE;
3271
3272 #ifdef VALIDATE_CHECK_SUM
3273 #ifdef ODS_DEBUG
3274                         HexCheckSum(md5dbg, sizeof(md5dbg), bufp->md5cksum);
3275                         snprintf( dbgstr, 1024,
3276                                   "RDR_RequestFileExtentsAsync md5 %s vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
3277                                   md5dbg,
3278                                   scp->fid.volume, scp->fid.vnode, scp->fid.unique,
3279                                   pResultCB->FileExtents[count].FileOffset.HighPart,
3280                                   pResultCB->FileExtents[count].FileOffset.LowPart,
3281                                   pResultCB->FileExtents[count].CacheOffset.HighPart,
3282                                   pResultCB->FileExtents[count].CacheOffset.LowPart);
3283                         OutputDebugStringA( dbgstr);
3284 #endif
3285 #endif
3286                         osi_Log4(afsd_logp, "RDR_RequestFileExtentsAsync Extent2FS bufp 0x%p foffset 0x%p coffset 0x%p len 0x%x",
3287                                  bufp, ByteOffset.QuadPart, bufp->datap - RDR_extentBaseAddress, cm_data.blockSize);
3288                     } else {
3289                         lock_ReleaseWrite(&buf_globalLock);
3290                     }
3291                 } else {
3292                     if (bBufRelease) {
3293                         /*
3294                          * The service is not handing off the extent to the redirector in this pass.
3295                          * However, we know the buffer is in recent use so move the buffer to the
3296                          * front of the queue
3297                          */
3298                         lock_ObtainWrite(&buf_globalLock);
3299                         buf_MoveToHeadOfRedirQueue(scp, bufp);
3300                         lock_ReleaseWrite(&buf_globalLock);
3301
3302                         osi_Log4(afsd_logp, "RDR_RequestFileExtentsAsync Extent2FS Already held by Redirector bufp 0x%p foffset 0x%p coffset 0x%p len 0x%x",
3303                                  bufp, ByteOffset.QuadPart, bufp->datap - RDR_extentBaseAddress, cm_data.blockSize);
3304                     }
3305                 }
3306             }
3307             lock_ReleaseMutex(&bufp->mx);
3308             if (bBufRelease)
3309                 buf_Release(bufp);
3310
3311             if (QueueLength) {
3312                 cm_QueueBKGRequest(scp, RDR_BkgFetch, QueueOffset.LowPart, QueueOffset.HighPart,
3313                                    QueueLength, 0, userp, &req);
3314                 osi_Log3(afsd_logp, "RDR_RequestFileExtentsAsync Queued a Background Fetch offset 0x%x:%x length 0x%x",
3315                          QueueOffset.HighPart, QueueOffset.LowPart, QueueLength);
3316             }
3317         } else {
3318             /* No error from buf_Get() can be fatal */
3319             osi_Log3(afsd_logp, "RDR_RequestFileExtentsAsync buf_Get FAILURE offset 0x%x:%x code 0x%x",
3320                      BeginOffset.HighPart, BeginOffset.LowPart, code);
3321         }
3322     }
3323
3324     if (BeginOffset.QuadPart != EndOffset.QuadPart) {
3325         afs_uint32 length = (afs_uint32)(EndOffset.QuadPart - BeginOffset.QuadPart);
3326
3327         cm_QueueBKGRequest(scp, RDR_BkgFetch, BeginOffset.LowPart, BeginOffset.HighPart,
3328                            length, 0, userp, &req);
3329         osi_Log3(afsd_logp, "RDR_RequestFileExtentsAsync Queued a Background Fetch offset 0x%x:%x length 0x%x",
3330                   BeginOffset.HighPart, BeginOffset.LowPart, length);
3331     }
3332     cm_ReleaseSCache(scp);
3333
3334     (*ResultCB)->ExtentCount = count;
3335     osi_Log1(afsd_logp, "RDR_RequestFileExtentsAsync replying with 0x%x extent records", count);
3336     return FALSE;
3337 }
3338
3339 /*
3340  * When processing an extent release the extents must be accepted back by
3341  * the service even if there is an error condition returned to the redirector.
3342  * For example, there may no longer be a callback present or the file may
3343  * have been deleted on the file server.  Regardless, the extents must be
3344  * put back into the pool.
3345  */
3346 void
3347 RDR_ReleaseFileExtents( IN cm_user_t *userp,
3348                         IN AFSFileID FileId,
3349                         IN AFSReleaseExtentsCB *ReleaseExtentsCB,
3350                         IN BOOL bWow64,
3351                         IN DWORD ResultBufferLength,
3352                         IN OUT AFSCommResult **ResultCB)
3353 {
3354     DWORD count;
3355     cm_scache_t *scp = NULL;
3356     cm_fid_t    Fid;
3357     cm_buf_t    *bufp;
3358     afs_uint32  code;
3359     osi_hyper_t thyper;
3360     cm_req_t    req;
3361     int         dirty = 0;
3362     int         released = 0;
3363     DWORD       status;
3364 #ifdef ODS_DEBUG
3365 #ifdef VALIDATE_CHECK_SUM
3366     char md5dbg[33], md5dbg2[33], md5dbg3[33];
3367 #endif
3368     char dbgstr[1024];
3369 #endif
3370
3371     RDR_InitReq(&req);
3372     if ( bWow64 )
3373         req.flags |= CM_REQ_WOW64;
3374
3375     osi_Log4(afsd_logp, "RDR_ReleaseFileExtents File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
3376               FileId.Cell, FileId.Volume,
3377               FileId.Vnode, FileId.Unique);
3378
3379     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult));
3380     if (!(*ResultCB))
3381         return;
3382
3383     memset( *ResultCB,
3384             '\0',
3385             sizeof( AFSCommResult));
3386
3387     /* Process the release */
3388     Fid.cell = FileId.Cell;
3389     Fid.volume = FileId.Volume;
3390     Fid.vnode = FileId.Vnode;
3391     Fid.unique = FileId.Unique;
3392     Fid.hash = FileId.Hash;
3393
3394     code = cm_GetSCache(&Fid, &scp, userp, &req);
3395     if (code) {
3396         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
3397         (*ResultCB)->ResultStatus = status;
3398         osi_Log2(afsd_logp, "RDR_ReleaseFileExtents cm_GetSCache FID failure code=0x%x status=0x%x",
3399                   code, status);
3400     }
3401
3402     /*
3403      * We do not stop processing as a result of being unable to find the cm_scache object.
3404      * If this occurs something really bad has happened since the cm_scache object must have
3405      * been recycled while extents were held by the redirector.  However, we will be resilient
3406      * and carry on without it.
3407      */
3408     if (scp && ReleaseExtentsCB->AllocationSize.QuadPart != scp->length.QuadPart) {
3409         cm_attr_t setAttr;
3410
3411         memset(&setAttr, 0, sizeof(cm_attr_t));
3412         lock_ObtainWrite(&scp->rw);
3413         if (ReleaseExtentsCB->AllocationSize.QuadPart != scp->length.QuadPart) {
3414
3415             osi_Log4(afsd_logp, "RDR_ReleaseFileExtents new length fid vol 0x%x vno 0x%x length 0x%x:%x",
3416                       scp->fid.volume, scp->fid.vnode,
3417                       ReleaseExtentsCB->AllocationSize.HighPart,
3418                       ReleaseExtentsCB->AllocationSize.LowPart);
3419
3420             setAttr.mask |= CM_ATTRMASK_LENGTH;
3421             setAttr.length.LowPart = ReleaseExtentsCB->AllocationSize.LowPart;
3422             setAttr.length.HighPart = ReleaseExtentsCB->AllocationSize.HighPart;
3423         }
3424         lock_ReleaseWrite(&scp->rw);
3425         if (setAttr.mask)
3426             code = cm_SetAttr(scp, &setAttr, userp, &req);
3427     }
3428
3429     for ( count = 0; count < ReleaseExtentsCB->ExtentCount; count++) {
3430         AFSFileExtentCB * pExtent = &ReleaseExtentsCB->FileExtents[count];
3431
3432         thyper.QuadPart = pExtent->FileOffset.QuadPart;
3433
3434         bufp = buf_Find(&Fid, &thyper);
3435         if (bufp) {
3436             if (pExtent->Flags & AFS_EXTENT_FLAG_UNKNOWN) {
3437                 if (!(bufp->qFlags & CM_BUF_QREDIR)) {
3438                     osi_Log4(afsd_logp, "RDR_ReleaseFileExtents extent vol 0x%x vno 0x%x foffset 0x%x:%x",
3439                               Fid.volume, Fid.vnode,
3440                               pExtent->FileOffset.HighPart,
3441                               pExtent->FileOffset.LowPart);
3442                     osi_Log2(afsd_logp, "... coffset 0x%x:%x UNKNOWN to redirector; previously released",
3443                               pExtent->CacheOffset.HighPart,
3444                               pExtent->CacheOffset.LowPart);
3445                 } else {
3446                     osi_Log4(afsd_logp, "RDR_ReleaseFileExtents extent vol 0x%x vno 0x%x foffset 0x%x:%x",
3447                               Fid.volume, Fid.vnode,
3448                               pExtent->FileOffset.HighPart,
3449                               pExtent->FileOffset.LowPart);
3450                     osi_Log2(afsd_logp, "... coffset 0x%x:%x UNKNOWN to redirector; owned by redirector",
3451                               pExtent->CacheOffset.HighPart,
3452                               pExtent->CacheOffset.LowPart);
3453                 }
3454                 buf_Release(bufp);
3455                 continue;
3456             }
3457
3458             if (pExtent->Flags & AFS_EXTENT_FLAG_IN_USE) {
3459                 osi_Log4(afsd_logp, "RDR_ReleaseFileExtents extent vol 0x%x vno 0x%x foffset 0x%x:%x",
3460                           Fid.volume, Fid.vnode,
3461                           pExtent->FileOffset.HighPart,
3462                           pExtent->FileOffset.LowPart);
3463                 osi_Log2(afsd_logp, "... coffset 0x%x:%x IN_USE by file system",
3464                           pExtent->CacheOffset.HighPart,
3465                           pExtent->CacheOffset.LowPart);
3466
3467                 /* Move the buffer to the front of the queue */
3468                 lock_ObtainWrite(&buf_globalLock);
3469                 buf_MoveToHeadOfRedirQueue(scp, bufp);
3470                 lock_ReleaseWrite(&buf_globalLock);
3471                 buf_Release(bufp);
3472                 continue;
3473             }
3474
3475             if (bufp->datap - RDR_extentBaseAddress == pExtent->CacheOffset.QuadPart) {
3476                 if (!(bufp->qFlags & CM_BUF_QREDIR)) {
3477                     osi_Log4(afsd_logp, "RDR_ReleaseFileExtents extent vol 0x%x vno 0x%x foffset 0x%x:%x not held by file system",
3478                              Fid.volume, Fid.vnode, pExtent->FileOffset.HighPart,
3479                              pExtent->FileOffset.LowPart);
3480                     osi_Log2(afsd_logp, "... coffset 0x%x:%x",
3481                              pExtent->CacheOffset.HighPart,
3482                              pExtent->CacheOffset.LowPart);
3483                 } else {
3484                     osi_Log4(afsd_logp, "RDR_ReleaseFileExtents bufp 0x%p vno 0x%x foffset 0x%x:%x",
3485                               bufp, bufp->fid.vnode, pExtent->FileOffset.HighPart,
3486                               pExtent->FileOffset.LowPart);
3487                     osi_Log2(afsd_logp, "... coffset 0x%x:%x",
3488                              pExtent->CacheOffset.HighPart,
3489                              pExtent->CacheOffset.LowPart);
3490
3491                     if (pExtent->Flags || ReleaseExtentsCB->Flags) {
3492                         lock_ObtainMutex(&bufp->mx);
3493                         if ( (ReleaseExtentsCB->Flags & AFS_EXTENT_FLAG_RELEASE) ||
3494                              (pExtent->Flags & AFS_EXTENT_FLAG_RELEASE) )
3495                         {
3496                             if (bufp->qFlags & CM_BUF_QREDIR) {
3497                                 lock_ObtainWrite(&buf_globalLock);
3498                                 if (bufp->qFlags & CM_BUF_QREDIR) {
3499                                     buf_RemoveFromRedirQueue(scp, bufp);
3500                                     buf_ReleaseLocked(bufp, TRUE);
3501                                 }
3502                                 lock_ReleaseWrite(&buf_globalLock);
3503                             }
3504 #ifdef ODS_DEBUG
3505                             snprintf( dbgstr, 1024,
3506                                       "RDR_ReleaseFileExtents releasing: vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
3507                                       Fid.volume, Fid.vnode, Fid.unique,
3508                                       pExtent->FileOffset.HighPart,
3509                                       pExtent->FileOffset.LowPart,
3510                                       pExtent->CacheOffset.HighPart,
3511                                       pExtent->CacheOffset.LowPart);
3512                             OutputDebugStringA( dbgstr);
3513 #endif
3514                             released++;
3515                         } else {
3516 #ifdef ODS_DEBUG
3517                             snprintf( dbgstr, 1024,
3518                                       "RDR_ReleaseFileExtents not releasing: vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
3519                                       Fid.volume, Fid.vnode, Fid.unique,
3520                                       pExtent->FileOffset.HighPart,
3521                                       pExtent->FileOffset.LowPart,
3522                                       pExtent->CacheOffset.HighPart,
3523                                       pExtent->CacheOffset.LowPart);
3524                             OutputDebugStringA( dbgstr);
3525 #endif
3526                             osi_Log4( afsd_logp, "RDR_ReleaseFileExtents not releasing vol 0x%x vno 0x%x foffset 0x%x:%x",
3527                                       Fid.volume, Fid.vnode,
3528                                       pExtent->FileOffset.HighPart,
3529                                       pExtent->FileOffset.LowPart);
3530                             osi_Log2( afsd_logp, "... coffset 0x%x:%x",
3531                                       pExtent->CacheOffset.HighPart,
3532                                       pExtent->CacheOffset.LowPart);
3533                         }
3534
3535                         if ( (ReleaseExtentsCB->Flags & AFS_EXTENT_FLAG_DIRTY) ||
3536                              (pExtent->Flags & AFS_EXTENT_FLAG_DIRTY) )
3537                         {
3538 #ifdef VALIDATE_CHECK_SUM
3539 #ifdef ODS_DEBUG
3540                             HexCheckSum(md5dbg, sizeof(md5dbg), bufp->md5cksum);
3541 #endif
3542
3543                             /*
3544                              * if the saved checksum matches the checksum of the current state of the buffer
3545                              * then the buffer is the same as what was given to the kernel.
3546                              */
3547                             if ( buf_ValidateCheckSum(bufp) ) {
3548                                 buf_ComputeCheckSum(bufp);
3549
3550                                 if (pExtent->Flags & AFS_EXTENT_FLAG_MD5_SET)
3551                                 {
3552 #ifdef ODS_DEBUG
3553                                     HexCheckSum(md5dbg2, sizeof(md5dbg2), pExtent->MD5);
3554                                     HexCheckSum(md5dbg3, sizeof(md5dbg3), bufp->md5cksum);
3555 #endif
3556                                     if (memcmp(bufp->md5cksum, pExtent->MD5, 16))
3557                                     {
3558 #ifdef ODS_DEBUG
3559                                         snprintf( dbgstr, 1024,
3560                                                   "RDR_ReleaseFileExtents dirty flag set but not dirty and user != kernel: old %s kernel %s new %s vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
3561                                                   md5dbg, md5dbg2,md5dbg3,
3562                                                   Fid.volume, Fid.vnode, Fid.unique,
3563                                                   pExtent->FileOffset.HighPart,
3564                                                   pExtent->FileOffset.LowPart,
3565                                                   pExtent->CacheOffset.HighPart,
3566                                                   pExtent->CacheOffset.LowPart);
3567                                         OutputDebugStringA( dbgstr);
3568 #endif
3569                                         osi_Log4( afsd_logp, "RDR_ReleaseFileExtents dirty flag set and checksums do not match! vol 0x%x vno 0x%x foffset 0x%x:%x",
3570                                                   Fid.volume, Fid.vnode,
3571                                                   pExtent->FileOffset.HighPart,
3572                                                   pExtent->FileOffset.LowPart);
3573                                         osi_Log2( afsd_logp, "... coffset 0x%x:%x",
3574                                                   pExtent->CacheOffset.HighPart,
3575                                                   pExtent->CacheOffset.LowPart);
3576                                         buf_SetDirty(bufp, &req, pExtent->DirtyOffset, pExtent->DirtyLength, userp);
3577                                         dirty++;
3578                                     } else {
3579 #ifdef ODS_DEBUG
3580                                         snprintf( dbgstr, 1024,
3581                                                   "RDR_ReleaseFileExtents dirty flag set but not dirty and user == kernel: old %s kernel %s new %s vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
3582                                                   md5dbg, md5dbg2, md5dbg3,
3583                                                   Fid.volume, Fid.vnode, Fid.unique,
3584                                                   pExtent->FileOffset.HighPart,
3585                                                   pExtent->FileOffset.LowPart,
3586                                                   pExtent->CacheOffset.HighPart,
3587                                                   pExtent->CacheOffset.LowPart);
3588                                         OutputDebugStringA( dbgstr);
3589 #endif
3590                                         osi_Log4( afsd_logp, "RDR_ReleaseFileExtents dirty flag set but extent has not changed vol 0x%x vno 0x%x foffset 0x%x:%x",
3591                                                   Fid.volume, Fid.vnode,
3592                                                   pExtent->FileOffset.HighPart,
3593                                                   pExtent->FileOffset.LowPart);
3594                                         osi_Log2( afsd_logp, "... coffset 0x%x:%x",
3595                                                   pExtent->CacheOffset.HighPart,
3596                                                   pExtent->CacheOffset.LowPart);
3597                                     }
3598                                 } else {
3599 #ifdef ODS_DEBUG
3600                                         snprintf( dbgstr, 1024,
3601                                                   "RDR_ReleaseFileExtents dirty flag set but not dirty: vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
3602                                                   Fid.volume, Fid.vnode, Fid.unique,
3603                                                   pExtent->FileOffset.HighPart,
3604                                                   pExtent->FileOffset.LowPart,
3605                                                   pExtent->CacheOffset.HighPart,
3606                                                   pExtent->CacheOffset.LowPart);
3607                                         OutputDebugStringA( dbgstr);
3608 #endif
3609                                         osi_Log4( afsd_logp, "RDR_ReleaseFileExtents dirty flag set but extent has not changed vol 0x%x vno 0x%x foffset 0x%x:%x",
3610                                                   Fid.volume, Fid.vnode,
3611                                                   pExtent->FileOffset.HighPart,
3612                                                   pExtent->FileOffset.LowPart);
3613                                         osi_Log2( afsd_logp, "... coffset 0x%x:%x",
3614                                                   pExtent->CacheOffset.HighPart,
3615                                                   pExtent->CacheOffset.LowPart);
3616                                 }
3617                             } else {
3618                                 buf_ComputeCheckSum(bufp);
3619 #ifdef ODS_DEBUG
3620                                 if (pExtent->Flags & AFS_EXTENT_FLAG_MD5_SET)
3621                                 {
3622                                     HexCheckSum(md5dbg3, sizeof(md5dbg3), bufp->md5cksum);
3623                                     if (memcmp(bufp->md5cksum, pExtent->MD5, 16))
3624                                     {
3625                                         snprintf( dbgstr, 1024,
3626                                                   "RDR_ReleaseFileExtents dirty flag set and dirty and user != kernel: old %s kernel %s new %s vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
3627                                                   md5dbg, md5dbg2,md5dbg3,
3628                                                   Fid.volume, Fid.vnode, Fid.unique,
3629                                                   pExtent->FileOffset.HighPart,
3630                                                   pExtent->FileOffset.LowPart,
3631                                                   pExtent->CacheOffset.HighPart,
3632                                                   pExtent->CacheOffset.LowPart);
3633                                         OutputDebugStringA( dbgstr);
3634                                     } else {
3635                                         snprintf( dbgstr, 1024,
3636                                                   "RDR_ReleaseFileExtents dirty flag set and dirty and user == kernel: old %s kernel %s new %s vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
3637                                                   md5dbg, md5dbg2,md5dbg3,
3638                                                   Fid.volume, Fid.vnode, Fid.unique,
3639                                                   pExtent->FileOffset.HighPart,
3640                                                   pExtent->FileOffset.LowPart,
3641                                                   pExtent->CacheOffset.HighPart,
3642                                                   pExtent->CacheOffset.LowPart);
3643                                         OutputDebugStringA( dbgstr);
3644                                     }
3645                                 } else {
3646                                     snprintf( dbgstr, 1024,
3647                                               "RDR_ReleaseFileExtents dirty flag set: vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
3648                                               Fid.volume, Fid.vnode, Fid.unique,
3649                                               pExtent->FileOffset.HighPart,
3650                                               pExtent->FileOffset.LowPart,
3651                                               pExtent->CacheOffset.HighPart,
3652                                               pExtent->CacheOffset.LowPart);
3653                                     OutputDebugStringA( dbgstr);
3654                                 }
3655 #endif
3656                                 buf_SetDirty(bufp, &req, pExtent->DirtyOffset, pExtent->DirtyLength, userp);
3657                                 dirty++;
3658                             }
3659 #else /* !VALIDATE_CHECK_SUM */
3660                             buf_SetDirty(bufp, &req, pExtent->DirtyOffset, pExtent->DirtyLength, userp);
3661                             dirty++;
3662 #endif /* VALIDATE_CHECK_SUM */
3663                         }
3664 #ifdef VALIDATE_CHECK_SUM
3665                         else {
3666 #ifdef ODS_DEBUG
3667                             HexCheckSum(md5dbg, sizeof(md5dbg), bufp->md5cksum);
3668 #endif
3669                             if ( !buf_ValidateCheckSum(bufp) ) {
3670                                 buf_ComputeCheckSum(bufp);
3671 #ifdef ODS_DEBUG
3672                                 HexCheckSum(md5dbg3, sizeof(md5dbg2), bufp->md5cksum);
3673                                 snprintf( dbgstr, 1024,
3674                                           "RDR_ReleaseFileExtents dirty flag not set but dirty! old %s new %s vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
3675                                           md5dbg, md5dbg3,
3676                                           Fid.volume, Fid.vnode, Fid.unique,
3677                                           pExtent->FileOffset.HighPart,
3678                                           pExtent->FileOffset.LowPart,
3679                                           pExtent->CacheOffset.HighPart,
3680                                           pExtent->CacheOffset.LowPart);
3681                                 OutputDebugStringA( dbgstr);
3682 #endif
3683                                 osi_Log4( afsd_logp, "RDR_ReleaseFileExtents dirty flag not set but extent has changed vol 0x%x vno 0x%x foffset 0x%x:%x",
3684                                           Fid.volume, Fid.vnode,
3685                                           pExtent->FileOffset.HighPart,
3686                                           pExtent->FileOffset.LowPart);
3687                                 osi_Log2( afsd_logp, "... coffset 0x%x:%x",
3688                                           pExtent->CacheOffset.HighPart,
3689                                           pExtent->CacheOffset.LowPart);
3690                                 buf_SetDirty(bufp, &req, pExtent->DirtyOffset, pExtent->DirtyLength, userp);
3691                                 dirty++;
3692                             } else {
3693                                 buf_ComputeCheckSum(bufp);
3694 #ifdef ODS_DEBUG
3695                                 HexCheckSum(md5dbg3, sizeof(md5dbg2), bufp->md5cksum);
3696                                 snprintf( dbgstr, 1024,
3697                                           "RDR_ReleaseFileExtents dirty flag not set: vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
3698                                           Fid.volume, Fid.vnode, Fid.unique,
3699                                           pExtent->FileOffset.HighPart,
3700                                           pExtent->FileOffset.LowPart,
3701                                           pExtent->CacheOffset.HighPart,
3702                                           pExtent->CacheOffset.LowPart);
3703                                 OutputDebugStringA( dbgstr);
3704 #endif
3705                                 osi_Log4( afsd_logp, "RDR_ReleaseFileExtents dirty flag not set: vol 0x%x vno 0x%x foffset 0x%x:%x",
3706                                           Fid.volume, Fid.vnode,
3707                                           pExtent->FileOffset.HighPart,
3708                                           pExtent->FileOffset.LowPart);
3709                                 osi_Log2( afsd_logp, "... coffset 0x%x:%x",
3710                                           pExtent->CacheOffset.HighPart,
3711                                           pExtent->CacheOffset.LowPart);
3712                             }
3713                         }
3714 #endif /* VALIDATE_CHECK_SUM */
3715                         lock_ReleaseMutex(&bufp->mx);
3716                     }
3717                 }
3718             }
3719             else {
3720                 char * datap = RDR_extentBaseAddress + pExtent->CacheOffset.QuadPart;
3721                 cm_buf_t *wbp;
3722
3723                 for (wbp = cm_data.buf_allp; wbp; wbp = wbp->allp) {
3724                     if (wbp->datap == datap)
3725                         break;
3726                 }
3727
3728 #ifdef ODS_DEBUG
3729                 snprintf( dbgstr, 1024,
3730                           "RDR_ReleaseFileExtents non-matching extent vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
3731                           Fid.volume, Fid.vnode, Fid.unique,
3732                           pExtent->FileOffset.HighPart,
3733                           pExtent->FileOffset.LowPart,
3734                           pExtent->CacheOffset.HighPart,
3735                           pExtent->CacheOffset.LowPart);
3736                 OutputDebugStringA( dbgstr);
3737 #endif
3738                 osi_Log4( afsd_logp, "RDR_ReleaseFileExtents non-matching extent vol 0x%x vno 0x%x foffset 0x%x:%x",
3739                           Fid.volume, Fid.vnode,
3740                           pExtent->FileOffset.HighPart,
3741                           pExtent->FileOffset.LowPart);
3742                 osi_Log2( afsd_logp, "... coffset 0x%x:%x",
3743                           pExtent->CacheOffset.HighPart,
3744                           pExtent->CacheOffset.LowPart);
3745                 osi_Log5( afsd_logp, "... belongs to bp 0x%p vol 0x%x vno 0x%x foffset 0x%x:%x",
3746                           wbp, wbp->fid.volume, wbp->fid.vnode, wbp->offset.HighPart, wbp->offset.LowPart);
3747 #ifdef DEBUG
3748                 DebugBreak();
3749 #endif
3750             }
3751             buf_Release(bufp);
3752         }
3753         else {
3754             char * datap = RDR_extentBaseAddress + pExtent->CacheOffset.QuadPart;
3755             cm_buf_t *wbp;
3756
3757             for (wbp = cm_data.buf_allp; wbp; wbp = wbp->allp) {
3758                 if (wbp->datap == datap)
3759                     break;
3760             }
3761
3762 #ifdef ODS_DEBUG
3763             snprintf( dbgstr, 1024,
3764                       "RDR_ReleaseFileExtents unknown extent vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
3765                       Fid.volume, Fid.vnode, Fid.unique,
3766                       pExtent->FileOffset.HighPart,
3767                       pExtent->FileOffset.LowPart,
3768                       pExtent->CacheOffset.HighPart,
3769                       pExtent->CacheOffset.LowPart);
3770             OutputDebugStringA( dbgstr);
3771 #endif
3772             osi_Log4( afsd_logp, "RDR_ReleaseFileExtents unknown extent vol 0x%x vno 0x%x foffset 0x%x:%x",
3773                       Fid.volume, Fid.vnode,
3774                       pExtent->FileOffset.HighPart,
3775                       pExtent->FileOffset.LowPart);
3776             osi_Log2( afsd_logp, "... coffset 0x%x:%x",
3777                       pExtent->CacheOffset.HighPart,
3778                       pExtent->CacheOffset.LowPart);
3779             osi_Log5( afsd_logp, "... belongs to bp 0x%p vol 0x%x vno 0x%x foffset 0x%x:%x",
3780                       wbp, wbp->fid.volume, wbp->fid.vnode, wbp->offset.HighPart, wbp->offset.LowPart);
3781         }
3782     }
3783
3784     if (scp) {
3785         if (ReleaseExtentsCB->Flags & AFS_EXTENT_FLAG_FLUSH) {
3786             code = buf_CleanVnode(scp, userp, &req);
3787         }
3788         else if (dirty) {
3789             osi_hyper_t offset = {0,0};
3790             afs_uint32  length = 0;
3791             afs_uint32  rights = 0;
3792
3793             lock_ObtainWrite(&scp->rw);
3794             code = cm_SyncOp(scp, NULL, userp, &req, PRSFS_WRITE,
3795                              CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
3796             lock_ReleaseWrite(&scp->rw);
3797             if (code == 0) {
3798                 /*
3799                  * there is at least one dirty extent on this file.  queue up background store
3800                  * requests for contiguous blocks
3801                  */
3802                 for ( count = 0; count < ReleaseExtentsCB->ExtentCount; count++) {
3803                     if (ReleaseExtentsCB->FileExtents[count].FileOffset.QuadPart == offset.QuadPart + length &&
3804                          length + cm_data.buf_blockSize <= cm_chunkSize)
3805                     {
3806                         length += cm_data.buf_blockSize;
3807                     } else {
3808                         if (!(offset.QuadPart == 0 && length == 0))
3809                             cm_QueueBKGRequest(scp, cm_BkgStore, offset.LowPart, offset.HighPart,
3810                                                 length, 0, userp, &req);
3811                         offset.QuadPart = ReleaseExtentsCB->FileExtents[count].FileOffset.QuadPart;
3812                         length = cm_data.buf_blockSize;
3813                     }
3814                 }
3815                 cm_QueueBKGRequest(scp, cm_BkgStore, offset.LowPart, offset.HighPart,
3816                                    length, 0, userp, &req);
3817             }
3818         }
3819         cm_ReleaseSCache(scp);
3820     }
3821
3822     osi_Log5(afsd_logp, "RDR_ReleaseFileExtents File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x Released %d",
3823               FileId.Cell, FileId.Volume,
3824               FileId.Vnode, FileId.Unique, released);
3825     if (code && code != CM_ERROR_WOULDBLOCK) {
3826         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
3827         (*ResultCB)->ResultStatus = status;
3828         osi_Log2(afsd_logp, "RDR_ReleaseFileExtents FAILURE code=0x%x status=0x%x",
3829                   code, status);
3830     } else {
3831         (*ResultCB)->ResultStatus = 0;
3832         osi_Log0(afsd_logp, "RDR_ReleaseFileExtents SUCCESS");
3833     }
3834     (*ResultCB)->ResultBufferLength = 0;
3835
3836     return;
3837 }
3838
3839 DWORD
3840 RDR_ProcessReleaseFileExtentsResult( IN AFSReleaseFileExtentsResultCB *ReleaseFileExtentsResultCB,
3841                                      IN DWORD ResultBufferLength)
3842 {
3843     afs_uint32  code = 0;
3844     cm_req_t    req;
3845     osi_hyper_t thyper;
3846     cm_buf_t    *bufp;
3847     unsigned int fileno, extentno, total_extents = 0;
3848     AFSReleaseFileExtentsResultFileCB *pNextFileCB;
3849 #ifdef ODS_DEBUG
3850 #ifdef VALIDATE_CHECK_SUM
3851     char md5dbg[33], md5dbg2[33], md5dbg3[33];
3852 #endif
3853     char dbgstr[1024];
3854 #endif
3855     RDR_InitReq(&req);
3856
3857     for ( fileno = 0, pNextFileCB = &ReleaseFileExtentsResultCB->Files[0];
3858           fileno < ReleaseFileExtentsResultCB->FileCount;
3859           fileno++ ) {
3860         AFSReleaseFileExtentsResultFileCB *pFileCB = pNextFileCB;
3861         cm_user_t       *userp = NULL;
3862         cm_fid_t         Fid;
3863         cm_scache_t *    scp = NULL;
3864         int              dirty = 0;
3865         int              released = 0;
3866         char * p;
3867
3868         userp = RDR_UserFromAuthGroup( &pFileCB->AuthGroup);
3869
3870         osi_Log4(afsd_logp, "RDR_ProcessReleaseFileExtentsResult %d.%d.%d.%d",
3871                   pFileCB->FileId.Cell, pFileCB->FileId.Volume,
3872                   pFileCB->FileId.Vnode, pFileCB->FileId.Unique);
3873
3874         /* Process the release */
3875         Fid.cell = pFileCB->FileId.Cell;
3876         Fid.volume = pFileCB->FileId.Volume;
3877         Fid.vnode = pFileCB->FileId.Vnode;
3878         Fid.unique = pFileCB->FileId.Unique;
3879         Fid.hash = pFileCB->FileId.Hash;
3880
3881         if (Fid.cell == 0) {
3882             osi_Log4(afsd_logp, "RDR_ProcessReleaseFileExtentsResult Invalid FID %d.%d.%d.%d",
3883                      Fid.cell, Fid.volume, Fid.vnode, Fid.unique);
3884             code = CM_ERROR_INVAL;
3885             goto cleanup_file;
3886         }
3887
3888         code = cm_GetSCache(&Fid, &scp, userp, &req);
3889         if (code) {
3890             osi_Log1(afsd_logp, "RDR_ProcessReleaseFileExtentsResult cm_GetSCache FID failure code=0x%x",
3891                      code);
3892             /*
3893              * A failure to find the cm_scache object cannot prevent the service
3894              * from accepting the extents back from the redirector.
3895              */
3896         }
3897
3898         /* if the scp was not found, do not perform the length check */
3899         if (scp && (pFileCB->AllocationSize.QuadPart != scp->length.QuadPart)) {
3900             cm_attr_t setAttr;
3901
3902             memset(&setAttr, 0, sizeof(cm_attr_t));
3903             lock_ObtainWrite(&scp->rw);
3904             if (pFileCB->AllocationSize.QuadPart != scp->length.QuadPart) {
3905                 osi_Log4(afsd_logp, "RDR_ReleaseFileExtentsResult length change vol 0x%x vno 0x%x length 0x%x:%x",
3906                           scp->fid.volume, scp->fid.vnode,
3907                           pFileCB->AllocationSize.HighPart,
3908                           pFileCB->AllocationSize.LowPart);
3909                 setAttr.mask |= CM_ATTRMASK_LENGTH;
3910                 setAttr.length.LowPart = pFileCB->AllocationSize.LowPart;
3911                 setAttr.length.HighPart = pFileCB->AllocationSize.HighPart;
3912             }
3913             lock_ReleaseWrite(&scp->rw);
3914             if (setAttr.mask)
3915                 code = cm_SetAttr(scp, &setAttr, userp, &req);
3916         }
3917
3918         for ( extentno = 0; extentno < pFileCB->ExtentCount; total_extents++, extentno++ ) {
3919             AFSFileExtentCB *pExtent = &pFileCB->FileExtents[extentno];
3920
3921             thyper.QuadPart = pExtent->FileOffset.QuadPart;
3922
3923             bufp = buf_Find(&Fid, &thyper);
3924             if (bufp) {
3925                 if (pExtent->Flags & AFS_EXTENT_FLAG_UNKNOWN) {
3926                     if (!(bufp->qFlags & CM_BUF_QREDIR)) {
3927                         osi_Log4(afsd_logp, "RDR_ReleaseFileExtentsResult extent vol 0x%x vno 0x%x foffset 0x%x:%x",
3928                                  Fid.volume, Fid.vnode,
3929                                  pExtent->FileOffset.HighPart,
3930                                  pExtent->FileOffset.LowPart);
3931                         osi_Log2(afsd_logp, "... coffset 0x%x:%x UNKNOWN to redirector; previously released",
3932                                  pExtent->CacheOffset.HighPart,
3933                                  pExtent->CacheOffset.LowPart);
3934                     } else {
3935                         osi_Log4(afsd_logp, "RDR_ReleaseFileExtentsResult extent vol 0x%x vno 0x%x foffset 0x%x:%x",
3936                                  Fid.volume, Fid.vnode,
3937                                  pExtent->FileOffset.HighPart,
3938                                  pExtent->FileOffset.LowPart);
3939                         osi_Log2(afsd_logp, "... coffset 0x%x:%x UNKNOWN to redirector; owned by redirector",
3940                                  pExtent->CacheOffset.HighPart,
3941                                  pExtent->CacheOffset.LowPart);
3942                     }
3943                     buf_Release(bufp);
3944                     continue;
3945                 }
3946
3947                 if (pExtent->Flags & AFS_EXTENT_FLAG_IN_USE) {
3948                     osi_Log4(afsd_logp, "RDR_ReleaseFileExtentsResult extent vol 0x%x vno 0x%x foffset 0x%x:%x",
3949                               Fid.volume, Fid.vnode,
3950                               pExtent->FileOffset.HighPart,
3951                               pExtent->FileOffset.LowPart);
3952                     osi_Log2(afsd_logp, "... coffset 0x%x:%x IN_USE by file system",
3953                               pExtent->CacheOffset.HighPart,
3954                               pExtent->CacheOffset.LowPart);
3955
3956                     /* Move the buffer to the front of the queue */
3957                     lock_ObtainWrite(&buf_globalLock);
3958                     buf_MoveToHeadOfRedirQueue(scp, bufp);
3959                     lock_ReleaseWrite(&buf_globalLock);
3960                     buf_Release(bufp);
3961                     continue;
3962                 }
3963
3964                 if (bufp->datap - RDR_extentBaseAddress == pExtent->CacheOffset.QuadPart) {
3965                     if (!(bufp->qFlags & CM_BUF_QREDIR)) {
3966                         osi_Log4(afsd_logp, "RDR_ReleaseFileExtentsResult extent vol 0x%x vno 0x%x foffset 0x%x:%x",
3967                                  Fid.volume, Fid.vnode,
3968                                  pExtent->FileOffset.HighPart,
3969                                  pExtent->FileOffset.LowPart);
3970                         osi_Log2(afsd_logp, "... coffset 0x%x:%x not held by file system",
3971                                  pExtent->CacheOffset.HighPart,
3972                                  pExtent->CacheOffset.LowPart);
3973 #ifdef ODS_DEBUG
3974                         snprintf(dbgstr, 1024,
3975                                   "RDR_ProcessReleaseFileExtentsResult not held by redirector! flags 0x%x:%x vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
3976                                   ReleaseFileExtentsResultCB->Flags, pExtent->Flags,
3977                                   Fid.volume, Fid.vnode, Fid.unique,
3978                                   pExtent->FileOffset.HighPart,
3979                                   pExtent->FileOffset.LowPart,
3980                                   pExtent->CacheOffset.HighPart,
3981                                   pExtent->CacheOffset.LowPart);
3982                         OutputDebugStringA( dbgstr);
3983 #endif
3984                     } else {
3985                         osi_Log5(afsd_logp, "RDR_ProcessReleaseFileExtentsResult bufp 0x%p foffset 0x%x:%x coffset 0x%x:%x",
3986                                  bufp, pExtent->FileOffset.HighPart, pExtent->FileOffset.LowPart,
3987                                  pExtent->CacheOffset.HighPart, pExtent->CacheOffset.LowPart);
3988
3989                         if (pExtent->Flags || ReleaseFileExtentsResultCB->Flags) {
3990                             lock_ObtainMutex(&bufp->mx);
3991                             if ( (ReleaseFileExtentsResultCB->Flags & AFS_EXTENT_FLAG_RELEASE) ||
3992                                  (pExtent->Flags & AFS_EXTENT_FLAG_RELEASE) )
3993                             {
3994                                 if (bufp->qFlags & CM_BUF_QREDIR) {
3995                                     lock_ObtainWrite(&buf_globalLock);
3996                                     if (bufp->qFlags & CM_BUF_QREDIR) {
3997                                         buf_RemoveFromRedirQueue(scp, bufp);
3998                                         buf_ReleaseLocked(bufp, TRUE);
3999                                     }
4000                                     lock_ReleaseWrite(&buf_globalLock);
4001                                 }
4002
4003 #ifdef ODS_DEBUG
4004                                 snprintf(dbgstr, 1024,
4005                                           "RDR_ProcessReleaseFileExtentsResult extent released: vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
4006                                           Fid.volume, Fid.vnode, Fid.unique,
4007                                           pExtent->FileOffset.HighPart,
4008                                           pExtent->FileOffset.LowPart,
4009                                           pExtent->CacheOffset.HighPart,
4010                                           pExtent->CacheOffset.LowPart);
4011                                 OutputDebugStringA( dbgstr);
4012 #endif
4013
4014                                 released++;
4015                             } else {
4016                                 osi_Log4(afsd_logp, "RDR_ProcessReleaseFileExtentsResult not releasing vol 0x%x vno 0x%x foffset 0x%x:%x",
4017                                          Fid.volume, Fid.vnode,
4018                                          pExtent->FileOffset.HighPart,
4019                                          pExtent->FileOffset.LowPart);
4020                                 osi_Log2(afsd_logp, "... coffset 0x%x:%x",
4021                                          pExtent->CacheOffset.HighPart,
4022                                          pExtent->CacheOffset.LowPart);
4023 #ifdef ODS_DEBUG
4024                                 snprintf(dbgstr, 1024,
4025                                           "RDR_ProcessReleaseFileExtentsResult not released! vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
4026                                           Fid.volume, Fid.vnode, Fid.unique,
4027                                           pExtent->FileOffset.HighPart,
4028                                           pExtent->FileOffset.LowPart,
4029                                           pExtent->CacheOffset.HighPart,
4030                                           pExtent->CacheOffset.LowPart);
4031                                 OutputDebugStringA( dbgstr);
4032 #endif
4033                             }
4034
4035                             if ( (ReleaseFileExtentsResultCB->Flags & AFS_EXTENT_FLAG_DIRTY) ||
4036                                  (pExtent->Flags & AFS_EXTENT_FLAG_DIRTY) )
4037                             {
4038 #ifdef VALIDATE_CHECK_SUM
4039                                 if ( buf_ValidateCheckSum(bufp) ) {
4040 #ifdef ODS_DEBUG
4041                                     HexCheckSum(md5dbg, sizeof(md5dbg), bufp->md5cksum);
4042                                     if (ReleaseFileExtentsResultCB->Flags & AFS_EXTENT_FLAG_MD5_SET)
4043                                         HexCheckSum(md5dbg2, sizeof(md5dbg2), pExtent->MD5);
4044 #endif
4045                                     buf_ComputeCheckSum(bufp);
4046 #ifdef ODS_DEBUG
4047                                     HexCheckSum(md5dbg3, sizeof(md5dbg), bufp->md5cksum);
4048 #endif
4049                                     if (ReleaseFileExtentsResultCB->Flags & AFS_EXTENT_FLAG_MD5_SET)
4050                                     {
4051                                         if (memcmp(bufp->md5cksum, pExtent->MD5, 16))
4052                                         {
4053 #ifdef ODS_DEBUG
4054                                             snprintf(dbgstr, 1024,
4055                                                       "RDR_ProcessReleaseFileExtentsResult dirty flag set and checksums do not match! user %s kernel %s vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
4056                                                       md5dbg3, md5dbg2,
4057                                                       Fid.volume, Fid.vnode, Fid.unique,
4058                                                       pExtent->FileOffset.HighPart,
4059                                                       pExtent->FileOffset.LowPart,
4060                                                       pExtent->CacheOffset.HighPart,
4061                                                       pExtent->CacheOffset.LowPart);
4062                                             OutputDebugStringA( dbgstr);
4063 #endif
4064                                             osi_Log4(afsd_logp,
4065                                                       "RDR_ProcessReleaseFileExtentsResult dirty flag set and checksums do not match! vol 0x%x vno 0x%x foffset 0x%x:%x",
4066                                                       Fid.volume, Fid.vnode,
4067                                                       pExtent->FileOffset.HighPart,
4068                                                       pExtent->FileOffset.LowPart);
4069                                             osi_Log2(afsd_logp,
4070                                                       "... coffset 0x%x:%x",
4071                                                       pExtent->CacheOffset.HighPart,
4072                                                       pExtent->CacheOffset.LowPart);
4073
4074                                             buf_SetDirty(bufp, &req, pExtent->DirtyOffset, pExtent->DirtyLength, userp);
4075                                             dirty++;
4076                                         } else {
4077 #ifdef ODS_DEBUG
4078                                             snprintf(dbgstr, 1024,
4079                                                       "RDR_ProcessReleaseFileExtentsResult dirty flag set but extent has not changed! old %s kernel %s new %s vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
4080                                                       md5dbg, md5dbg2, md5dbg3,
4081                                                       Fid.volume, Fid.vnode, Fid.unique,
4082                                                       pExtent->FileOffset.HighPart,
4083                                                       pExtent->FileOffset.LowPart,
4084                                                       pExtent->CacheOffset.HighPart,
4085                                                       pExtent->CacheOffset.LowPart);
4086                                             OutputDebugStringA( dbgstr);
4087 #endif
4088                                             osi_Log4(afsd_logp,
4089                                                       "RDR_ProcessReleaseFileExtentsResult dirty flag set but extent has not changed vol 0x%x vno 0x%x foffset 0x%x:%x",
4090                                                       Fid.volume, Fid.vnode,
4091                                                       pExtent->FileOffset.HighPart,
4092                                                       pExtent->FileOffset.LowPart);
4093                                             osi_Log2(afsd_logp,
4094                                                       "... coffset 0x%x:%x",
4095                                                       pExtent->CacheOffset.HighPart,
4096                                                       pExtent->CacheOffset.LowPart);
4097                                         }
4098                                     }
4099                                 }
4100 #else /* !VALIDATE_CHECK_SUM */
4101                                 buf_SetDirty(bufp, &req, pExtent->DirtyOffset, pExtent->DirtyLength, userp);
4102                                 dirty++;
4103 #ifdef ODS_DEBUG
4104                                 snprintf(dbgstr, 1024,
4105                                           "RDR_ProcessReleaseFileExtentsResult dirty! vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
4106                                           Fid.volume, Fid.vnode, Fid.unique,
4107                                           pExtent->FileOffset.HighPart,
4108                                           pExtent->FileOffset.LowPart,
4109                                           pExtent->CacheOffset.HighPart,
4110                                           pExtent->CacheOffset.LowPart);
4111                                 OutputDebugStringA( dbgstr);
4112 #endif
4113 #endif /* VALIDATE_CHECK_SUM */
4114                             }
4115 #ifdef VALIDATE_CHECK_SUM
4116                             else {
4117 #ifdef ODS_DEBUG
4118                                 HexCheckSum(md5dbg, sizeof(md5dbg), bufp->md5cksum);
4119 #endif
4120                                 if ( !buf_ValidateCheckSum(bufp) ) {
4121                                     buf_ComputeCheckSum(bufp);
4122 #ifdef ODS_DEBUG
4123                                     HexCheckSum(md5dbg3, sizeof(md5dbg2), bufp->md5cksum);
4124                                     snprintf(dbgstr, 1024,
4125                                              "RDR_ProcessReleaseFileExtentsResult dirty flag not set but dirty! old %s new %s vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
4126                                              md5dbg, md5dbg3,
4127                                              Fid.volume, Fid.vnode, Fid.unique,
4128                                              pExtent->FileOffset.HighPart,
4129                                              pExtent->FileOffset.LowPart,
4130                                              pExtent->CacheOffset.HighPart,
4131                                              pExtent->CacheOffset.LowPart);
4132                                     OutputDebugStringA( dbgstr);
4133 #endif
4134                                     osi_Log4(afsd_logp, "RDR_ProcessReleaseFileExtentsResult dirty flag NOT set but extent has changed! vol 0x%x vno 0x%x foffset 0x%x:%x",
4135                                              Fid.volume, Fid.vnode,
4136                                              pExtent->FileOffset.HighPart,
4137                                              pExtent->FileOffset.LowPart);
4138                                     osi_Log2(afsd_logp, "... coffset 0x%x:%x",
4139                                              pExtent->CacheOffset.HighPart,
4140                                              pExtent->CacheOffset.LowPart);
4141 #ifdef DEBUG
4142                                     DebugBreak();
4143 #endif
4144                                     buf_SetDirty(bufp, &req, pExtent->DirtyOffset, pExtent->DirtyLength, userp);
4145                                     dirty++;
4146                                 } else {
4147                                     buf_ComputeCheckSum(bufp);
4148 #ifdef ODS_DEBUG
4149                                     HexCheckSum(md5dbg3, sizeof(md5dbg2), bufp->md5cksum);
4150                                     snprintf(dbgstr, 1024,
4151                                              "RDR_ProcessReleaseFileExtentsResult dirty flag not set and not dirty! old %s new %s vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
4152                                              md5dbg, md5dbg3,
4153                                              Fid.volume, Fid.vnode, Fid.unique,
4154                                              pExtent->FileOffset.HighPart,
4155                                              pExtent->FileOffset.LowPart,
4156                                              pExtent->CacheOffset.HighPart,
4157                                              pExtent->CacheOffset.LowPart);
4158                                     OutputDebugStringA( dbgstr);
4159 #endif
4160                                 }
4161                             }
4162 #endif /* VALIDATE_CHECK_SUM */
4163                             lock_ReleaseMutex(&bufp->mx);
4164                         }
4165                     }
4166                 } else {
4167                     /* CacheOffset doesn't match bufp->datap */
4168                     char * datap = RDR_extentBaseAddress + pExtent->CacheOffset.QuadPart;
4169                     cm_buf_t *wbp;
4170
4171                     for (wbp = cm_data.buf_allp; wbp; wbp = wbp->allp) {
4172                         if (wbp->datap == datap)
4173                             break;
4174                     }
4175
4176 #ifdef ODS_DEBUG
4177                     snprintf(dbgstr, 1024,
4178                              "RDR_ProcessReleaseFileExtentsResult non-matching extent vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x flags 0x%x\n",
4179                              Fid.volume, Fid.vnode, Fid.unique,
4180                              pExtent->FileOffset.HighPart,
4181                              pExtent->FileOffset.LowPart,
4182                              pExtent->CacheOffset.HighPart,
4183                              pExtent->CacheOffset.LowPart,
4184                              pExtent->Flags);
4185                     OutputDebugStringA( dbgstr);
4186 #endif
4187                     osi_Log4(afsd_logp, "RDR_ProcessReleaseFileExtentsResult non-matching extent vol 0x%x vno 0x%x foffset 0x%x:%x",
4188                              Fid.volume, Fid.vnode,
4189                              pExtent->FileOffset.HighPart,
4190                              pExtent->FileOffset.LowPart);
4191                     osi_Log3(afsd_logp, "... coffset 0x%x:%x flags 0x%x",
4192                              pExtent->CacheOffset.HighPart,
4193                              pExtent->CacheOffset.LowPart,
4194                              pExtent->Flags);
4195                     if (wbp)
4196                         osi_Log5(afsd_logp, "... coffset belongs to bp 0x%p vol 0x%x vno 0x%x foffset 0x%x:%x",
4197                                  wbp, wbp->fid.volume, wbp->fid.vnode, wbp->offset.HighPart, wbp->offset.LowPart);
4198                     else
4199                         osi_Log0(afsd_logp, "... coffset cannot be found");
4200 #ifdef DEBUG
4201                     DebugBreak();
4202 #endif
4203                 }
4204                 buf_Release(bufp);
4205             } else {
4206                 if (pExtent->Flags & AFS_EXTENT_FLAG_UNKNOWN) {
4207                     osi_Log4(afsd_logp, "RDR_ReleaseFileExtentsResult extent vol 0x%x vno 0x%x foffset 0x%x:%x",
4208                              Fid.volume, Fid.vnode, pExtent->FileOffset.HighPart,
4209                              pExtent->FileOffset.LowPart);
4210                     osi_Log2(afsd_logp, "... coffset 0x%x:%x UNKNOWN to redirector; cm_buf not found -- recycled?",
4211                              pExtent->CacheOffset.HighPart,
4212                              pExtent->CacheOffset.LowPart);
4213
4214                     continue;
4215                 }
4216
4217 #ifdef ODS_DEBUG
4218                 snprintf(dbgstr, 1024,
4219                          "RDR_ProcessReleaseFileExtentsResult buf not found vol 0x%x vno 0x%x uniq 0x%x foffset 0x%x:%x coffset 0x%x:%x\n",
4220                          Fid.volume, Fid.vnode, Fid.unique,
4221                          pExtent->FileOffset.HighPart,
4222                          pExtent->FileOffset.LowPart,
4223                          pExtent->CacheOffset.HighPart,
4224                          pExtent->CacheOffset.LowPart);
4225                 OutputDebugStringA( dbgstr);
4226 #endif
4227                 osi_Log4(afsd_logp, "RDR_ProcessReleaseFileExtentsResult buf not found vol 0x%x vno 0x%x foffset 0x%x:%x",
4228                          Fid.volume, Fid.vnode,
4229                          pExtent->FileOffset.HighPart,
4230                          pExtent->FileOffset.LowPart);
4231                 osi_Log2(afsd_logp, "... coffset 0x%x:%x",
4232                          pExtent->CacheOffset.HighPart,
4233                          pExtent->CacheOffset.LowPart);
4234             }
4235         }
4236
4237         if (scp && dirty) {
4238             osi_hyper_t offset = {0,0};
4239             afs_uint32  length = 0;
4240
4241             /*
4242              * there is at least one dirty extent on this file.  queue up background store
4243              * requests for contiguous blocks
4244              */
4245             for ( extentno = 0; extentno < pFileCB->ExtentCount; extentno++ ) {
4246                 AFSFileExtentCB *pExtent = &pFileCB->FileExtents[extentno];
4247                 if (pExtent->FileOffset.QuadPart == offset.QuadPart + length &&
4248                      length < cm_chunkSize) {
4249                     length += cm_data.buf_blockSize;
4250                 } else {
4251                     if (!(offset.QuadPart == 0 && length == 0))
4252                         cm_QueueBKGRequest(scp, cm_BkgStore, offset.LowPart, offset.HighPart,
4253                                             length, 0, userp, &req);
4254                     offset.QuadPart = pExtent->FileOffset.QuadPart;
4255                     length = cm_data.buf_blockSize;
4256                 }
4257             }
4258             cm_QueueBKGRequest(scp, cm_BkgStore, offset.LowPart, offset.HighPart,
4259                                 length, 0, userp, &req);
4260         }
4261
4262         osi_Log5(afsd_logp, "RDR_ProcessReleaseFileExtentsResult File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x Released %d",
4263                   Fid.cell, Fid.volume, Fid.vnode, Fid.unique, released);
4264
4265       cleanup_file:
4266         if (userp)
4267             cm_ReleaseUser(userp);
4268         if (scp)
4269             cm_ReleaseSCache(scp);
4270
4271         p = (char *)pFileCB;
4272         p += sizeof(AFSReleaseFileExtentsResultFileCB);
4273         p += sizeof(AFSFileExtentCB) * (pFileCB->ExtentCount - 1);
4274         pNextFileCB = (AFSReleaseFileExtentsResultFileCB *)p;
4275     }
4276
4277     if (total_extents == 0) {
4278         osi_Log0(afsd_logp, "RDR_ProcessReleaseFileExtentsResult is empty");
4279         code = CM_ERROR_RETRY;
4280     }
4281
4282     if (code)
4283         osi_Log1(afsd_logp, "RDR_ProcessReleaseFileExtentsResult FAILURE code=0x%x", code);
4284     else
4285         osi_Log1(afsd_logp, "RDR_ProcessReleaseFileExtentsResult DONE code=0x%x", code);
4286
4287     return code;
4288 }
4289
4290 DWORD
4291 RDR_ReleaseFailedSetFileExtents( IN cm_user_t *userp,
4292                                  IN AFSSetFileExtentsCB *SetFileExtentsResultCB,
4293                                  IN DWORD ResultBufferLength)
4294 {
4295     afs_uint32  code = 0;
4296     cm_req_t    req;
4297     unsigned int extentno;
4298     cm_fid_t         Fid;
4299     cm_scache_t *    scp = NULL;
4300     int              dirty = 0;
4301
4302     RDR_InitReq(&req);
4303
4304     osi_Log4(afsd_logp, "RDR_ReleaseFailedSetFileExtents %d.%d.%d.%d",
4305               SetFileExtentsResultCB->FileId.Cell, SetFileExtentsResultCB->FileId.Volume,
4306               SetFileExtentsResultCB->FileId.Vnode, SetFileExtentsResultCB->FileId.Unique);
4307
4308     /* Process the release */
4309     Fid.cell = SetFileExtentsResultCB->FileId.Cell;
4310     Fid.volume = SetFileExtentsResultCB->FileId.Volume;
4311     Fid.vnode = SetFileExtentsResultCB->FileId.Vnode;
4312     Fid.unique = SetFileExtentsResultCB->FileId.Unique;
4313     Fid.hash = SetFileExtentsResultCB->FileId.Hash;
4314
4315     if (Fid.cell == 0) {
4316         osi_Log4(afsd_logp, "RDR_ReleaseFailedSetFile Invalid FID %d.%d.%d.%d",
4317                   Fid.cell, Fid.volume, Fid.vnode, Fid.unique);
4318         code = CM_ERROR_INVAL;
4319         goto cleanup_file;
4320     }
4321
4322     code = cm_GetSCache(&Fid, &scp, userp, &req);
4323     if (code) {
4324         osi_Log1(afsd_logp, "RDR_ReleaseFailedSetFileExtents cm_GetSCache FID failure code=0x%x",
4325                   code);
4326         /* Failure to find the cm_scache object cannot block return of the extents */
4327     }
4328
4329     for ( extentno = 0; extentno < SetFileExtentsResultCB->ExtentCount; extentno++ ) {
4330         osi_hyper_t thyper;
4331         cm_buf_t    *bufp;
4332         AFSFileExtentCB *pExtent = &SetFileExtentsResultCB->FileExtents[extentno];
4333
4334         thyper.QuadPart = pExtent->FileOffset.QuadPart;
4335
4336         bufp = buf_Find(&Fid, &thyper);
4337         if (bufp) {
4338             osi_Log5(afsd_logp, "RDR_ReleaseFailedSetFileExtents bufp 0x%p foffset 0x%x:%x coffset 0x%x:%x",
4339                       bufp, pExtent->FileOffset.HighPart, pExtent->FileOffset.LowPart,
4340                       pExtent->CacheOffset.HighPart, pExtent->CacheOffset.LowPart);
4341
4342             lock_ObtainMutex(&bufp->mx);
4343             if (bufp->qFlags & CM_BUF_QREDIR) {
4344                 lock_ObtainWrite(&buf_globalLock);
4345                 if (bufp->qFlags & CM_BUF_QREDIR) {
4346                     buf_RemoveFromRedirQueue(scp, bufp);
4347                     buf_ReleaseLocked(bufp, TRUE);
4348                 }
4349                 lock_ReleaseWrite(&buf_globalLock);
4350             }
4351             lock_ReleaseMutex(&bufp->mx);
4352             buf_Release(bufp);
4353         }
4354     }
4355
4356   cleanup_file:
4357     if (userp)
4358         cm_ReleaseUser(userp);
4359     if (scp)
4360         cm_ReleaseSCache(scp);
4361
4362     osi_Log1(afsd_logp, "RDR_ReleaseFailedSetFileExtents DONE code=0x%x", code);
4363     return code;
4364 }
4365
4366 void
4367 RDR_PioctlOpen( IN cm_user_t *userp,
4368                 IN AFSFileID  ParentId,
4369                 IN AFSPIOCtlOpenCloseRequestCB *pPioctlCB,
4370                 IN BOOL bWow64,
4371                 IN DWORD ResultBufferLength,
4372                 IN OUT AFSCommResult **ResultCB)
4373 {
4374     cm_fid_t    ParentFid;
4375     cm_fid_t    RootFid;
4376
4377     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult));
4378     if (!(*ResultCB))
4379         return;
4380
4381     memset( *ResultCB,
4382             '\0',
4383             sizeof( AFSCommResult));
4384
4385     /* Get the active directory */
4386     ParentFid.cell = ParentId.Cell;
4387     ParentFid.volume = ParentId.Volume;
4388     ParentFid.vnode = ParentId.Vnode;
4389     ParentFid.unique = ParentId.Unique;
4390     ParentFid.hash = ParentId.Hash;
4391
4392     /* Get the root directory */
4393     RootFid.cell = pPioctlCB->RootId.Cell;
4394     RootFid.volume = pPioctlCB->RootId.Volume;
4395     RootFid.vnode = pPioctlCB->RootId.Vnode;
4396     RootFid.unique = pPioctlCB->RootId.Unique;
4397     RootFid.hash = pPioctlCB->RootId.Hash;
4398
4399     /* Create the pioctl index */
4400     RDR_SetupIoctl(pPioctlCB->RequestId, &ParentFid, &RootFid, userp);
4401
4402     return;
4403 }
4404
4405
4406 void
4407 RDR_PioctlClose( IN cm_user_t *userp,
4408                  IN AFSFileID  ParentId,
4409                  IN AFSPIOCtlOpenCloseRequestCB *pPioctlCB,
4410                  IN BOOL bWow64,
4411                  IN DWORD ResultBufferLength,
4412                  IN OUT AFSCommResult **ResultCB)
4413 {
4414     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult));
4415     if (!(*ResultCB))
4416         return;
4417
4418     memset( *ResultCB,
4419             '\0',
4420             sizeof( AFSCommResult));
4421
4422     /* Cleanup the pioctl index */
4423     RDR_CleanupIoctl(pPioctlCB->RequestId);
4424
4425     return;
4426 }
4427
4428
4429 void
4430 RDR_PioctlWrite( IN cm_user_t *userp,
4431                  IN AFSFileID  ParentId,
4432                  IN AFSPIOCtlIORequestCB *pPioctlCB,
4433                  IN BOOL bWow64,
4434                  IN DWORD ResultBufferLength,
4435                  IN OUT AFSCommResult **ResultCB)
4436 {
4437     AFSPIOCtlIOResultCB *pResultCB;
4438     cm_scache_t *dscp = NULL;
4439     afs_uint32  code;
4440     cm_req_t    req;
4441     DWORD       status;
4442
4443     RDR_InitReq(&req);
4444     if ( bWow64 )
4445         req.flags |= CM_REQ_WOW64;
4446
4447     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult) + sizeof(AFSPIOCtlIOResultCB));
4448     if (!(*ResultCB))
4449         return;
4450
4451     memset( *ResultCB,
4452             '\0',
4453             sizeof( AFSCommResult) + sizeof(AFSPIOCtlIOResultCB));
4454
4455     pResultCB = (AFSPIOCtlIOResultCB *)(*ResultCB)->ResultData;
4456
4457     code = RDR_IoctlWrite(userp, pPioctlCB->RequestId, pPioctlCB->BufferLength, pPioctlCB->MappedBuffer, &req);
4458     if (code) {
4459         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
4460         (*ResultCB)->ResultStatus = status;
4461         return;
4462     }
4463
4464     pResultCB->BytesProcessed = pPioctlCB->BufferLength;
4465     (*ResultCB)->ResultBufferLength = sizeof( AFSPIOCtlIOResultCB);
4466 }
4467
4468 void
4469 RDR_PioctlRead( IN cm_user_t *userp,
4470                 IN AFSFileID  ParentId,
4471                 IN AFSPIOCtlIORequestCB *pPioctlCB,
4472                 IN BOOL bWow64,
4473                 IN BOOL bIsLocalSystem,
4474                 IN DWORD ResultBufferLength,
4475                 IN OUT AFSCommResult **ResultCB)
4476 {
4477     AFSPIOCtlIOResultCB *pResultCB;
4478     cm_scache_t *dscp = NULL;
4479     afs_uint32  code;
4480     cm_req_t    req;
4481     DWORD       status;
4482     afs_uint32  pflags = (bIsLocalSystem ? AFSCALL_FLAG_LOCAL_SYSTEM : 0);
4483
4484     RDR_InitReq(&req);
4485     if ( bWow64 )
4486         req.flags |= CM_REQ_WOW64;
4487
4488     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult) + sizeof(AFSPIOCtlIOResultCB));
4489     if (!(*ResultCB))
4490         return;
4491
4492     memset( *ResultCB,
4493             '\0',
4494             sizeof( AFSCommResult) + sizeof(AFSPIOCtlIOResultCB));
4495
4496     pResultCB = (AFSPIOCtlIOResultCB *)(*ResultCB)->ResultData;
4497
4498     code = RDR_IoctlRead(userp, pPioctlCB->RequestId, pPioctlCB->BufferLength, pPioctlCB->MappedBuffer,
4499                          &pResultCB->BytesProcessed, &req, pflags);
4500     if (code) {
4501         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
4502         (*ResultCB)->ResultStatus = status;
4503         return;
4504     }
4505
4506     (*ResultCB)->ResultBufferLength = sizeof( AFSPIOCtlIOResultCB);
4507 }
4508
4509 void
4510 RDR_ByteRangeLockSync( IN cm_user_t     *userp,
4511                        IN AFSFileID     FileId,
4512                        IN AFSByteRangeLockRequestCB *pBRLRequestCB,
4513                        IN BOOL bWow64,
4514                        IN DWORD ResultBufferLength,
4515                        IN OUT AFSCommResult **ResultCB)
4516 {
4517     AFSByteRangeLockResultCB *pResultCB = NULL;
4518     LARGE_INTEGER ProcessId;
4519     DWORD       Length;
4520     cm_scache_t *scp = NULL;
4521     cm_fid_t    Fid;
4522     afs_uint32  code;
4523     cm_req_t    req;
4524     cm_key_t    key;
4525     DWORD       i;
4526     DWORD       status;
4527
4528     ProcessId.QuadPart = pBRLRequestCB->ProcessId;
4529
4530     RDR_InitReq(&req);
4531     if ( bWow64 )
4532         req.flags |= CM_REQ_WOW64;
4533
4534     osi_Log4(afsd_logp, "RDR_ByteRangeLockSync File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
4535               FileId.Cell, FileId.Volume,
4536               FileId.Vnode, FileId.Unique);
4537     osi_Log2(afsd_logp, "... ProcessId 0x%x:%x",
4538              ProcessId.HighPart, ProcessId.LowPart);
4539
4540     Length = sizeof( AFSByteRangeLockResultCB) + ((pBRLRequestCB->Count - 1) * sizeof(AFSByteRangeLockResult));
4541     if (Length > ResultBufferLength) {
4542         *ResultCB = (AFSCommResult *)malloc(sizeof(AFSCommResult));
4543         if (!(*ResultCB))
4544             return;
4545         memset( *ResultCB, 0, sizeof(AFSCommResult));
4546         (*ResultCB)->ResultStatus = STATUS_BUFFER_OVERFLOW;
4547         return;
4548     }
4549
4550     *ResultCB = (AFSCommResult *)malloc( Length + sizeof( AFSCommResult) );
4551     if (!(*ResultCB))
4552         return;
4553     memset( *ResultCB, '\0', Length + sizeof( AFSCommResult) );
4554     (*ResultCB)->ResultBufferLength = Length;
4555
4556     pResultCB = (AFSByteRangeLockResultCB *)(*ResultCB)->ResultData;
4557     pResultCB->FileId = FileId;
4558     pResultCB->Count = pBRLRequestCB->Count;
4559
4560     /* Allocate the extents from the buffer package */
4561     Fid.cell = FileId.Cell;
4562     Fid.volume = FileId.Volume;
4563     Fid.vnode = FileId.Vnode;
4564     Fid.unique = FileId.Unique;
4565     Fid.hash = FileId.Hash;
4566
4567     code = cm_GetSCache(&Fid, &scp, userp, &req);
4568     if (code) {
4569         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
4570         (*ResultCB)->ResultStatus = status;
4571         (*ResultCB)->ResultBufferLength = 0;
4572         osi_Log2(afsd_logp, "RDR_ByteRangeLockSync cm_GetSCache FID failure code=0x%x status=0x%x",
4573                   code, status);
4574         return;
4575     }
4576
4577     lock_ObtainWrite(&scp->rw);
4578
4579     /* start by looking up the file's end */
4580     code = cm_SyncOp(scp, NULL, userp, &req, 0,
4581                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
4582     if (code) {
4583         lock_ReleaseWrite(&scp->rw);
4584         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
4585         (*ResultCB)->ResultStatus = status;
4586         (*ResultCB)->ResultBufferLength = 0;
4587         osi_Log3(afsd_logp, "RDR_ByteRangeLockSync cm_SyncOp failure scp=0x%p code=0x%x status=0x%x",
4588                  scp, code, status);
4589         return;
4590     }
4591
4592     /* the scp is now locked and current */
4593     key = cm_GenerateKey(CM_SESSION_IFS, ProcessId.QuadPart, 0);
4594
4595     for ( i=0; i<pBRLRequestCB->Count; i++ ) {
4596         pResultCB->Result[i].LockType = pBRLRequestCB->Request[i].LockType;
4597         pResultCB->Result[i].Offset = pBRLRequestCB->Request[i].Offset;
4598         pResultCB->Result[i].Length = pBRLRequestCB->Request[i].Length;
4599
4600         code = cm_Lock(scp,
4601                        pBRLRequestCB->Request[i].LockType == AFS_BYTE_RANGE_LOCK_TYPE_SHARED,
4602                        pBRLRequestCB->Request[i].Offset,
4603                        pBRLRequestCB->Request[i].Length,
4604                        key, 0, userp, &req, NULL);
4605
4606         if (code) {
4607             osi_Log4(afsd_logp, "RDR_ByteRangeLockSync FAILURE code 0x%x type 0x%u offset 0x%x:%x",
4608                      code,
4609                      pBRLRequestCB->Request[i].LockType,
4610                      pBRLRequestCB->Request[i].Offset.HighPart,
4611                      pBRLRequestCB->Request[i].Offset.LowPart);
4612             osi_Log2(afsd_logp, "... length 0x%x:%x",
4613                      pBRLRequestCB->Request[i].Length.HighPart,
4614                      pBRLRequestCB->Request[i].Length.LowPart);
4615         }
4616
4617         switch (code) {
4618         case 0:
4619             pResultCB->Result[i].Status = 0;
4620             break;
4621         case CM_ERROR_WOULDBLOCK:
4622             pResultCB->Result[i].Status = STATUS_FILE_LOCK_CONFLICT;
4623             break;
4624         default:
4625             pResultCB->Result[i].Status = STATUS_LOCK_NOT_GRANTED;
4626         }
4627     }
4628
4629     cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
4630     lock_ReleaseWrite(&scp->rw);
4631     cm_ReleaseSCache(scp);
4632
4633     (*ResultCB)->ResultStatus = 0;
4634     osi_Log0(afsd_logp, "RDR_ByteRangeLockSync SUCCESS");
4635     return;
4636 }
4637
4638 void
4639 RDR_ByteRangeUnlock( IN cm_user_t     *userp,
4640                      IN AFSFileID     FileId,
4641                      IN AFSByteRangeUnlockRequestCB *pBRURequestCB,
4642                      IN BOOL bWow64,
4643                      IN DWORD ResultBufferLength,
4644                      IN OUT AFSCommResult **ResultCB)
4645 {
4646     AFSByteRangeUnlockResultCB *pResultCB = NULL;
4647     LARGE_INTEGER ProcessId;
4648     DWORD       Length;
4649     cm_scache_t *scp = NULL;
4650     cm_fid_t    Fid;
4651     afs_uint32  code;
4652     cm_req_t    req;
4653     cm_key_t    key;
4654     DWORD       i;
4655     DWORD       status;
4656
4657     ProcessId.QuadPart = pBRURequestCB->ProcessId;
4658
4659     RDR_InitReq(&req);
4660     if ( bWow64 )
4661         req.flags |= CM_REQ_WOW64;
4662
4663     osi_Log4(afsd_logp, "RDR_ByteRangeUnlock File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
4664               FileId.Cell, FileId.Volume,
4665               FileId.Vnode, FileId.Unique);
4666     osi_Log2(afsd_logp, "... ProcessId 0x%x:%x",
4667              ProcessId.HighPart, ProcessId.LowPart);
4668
4669     Length = sizeof( AFSByteRangeUnlockResultCB) + ((pBRURequestCB->Count - 1) * sizeof(AFSByteRangeLockResult));
4670     if (Length > ResultBufferLength) {
4671         *ResultCB = (AFSCommResult *)malloc(sizeof(AFSCommResult));
4672         if (!(*ResultCB))
4673             return;
4674         memset( *ResultCB, 0, sizeof(AFSCommResult));
4675         (*ResultCB)->ResultStatus = STATUS_BUFFER_OVERFLOW;
4676         return;
4677     }
4678
4679     *ResultCB = (AFSCommResult *)malloc( Length + sizeof( AFSCommResult) );
4680     if (!(*ResultCB))
4681         return;
4682     memset( *ResultCB, '\0', Length + sizeof( AFSCommResult) );
4683     (*ResultCB)->ResultBufferLength = Length;
4684
4685     pResultCB = (AFSByteRangeUnlockResultCB *)(*ResultCB)->ResultData;
4686     pResultCB->Count = pBRURequestCB->Count;
4687
4688     /* Allocate the extents from the buffer package */
4689     Fid.cell = FileId.Cell;
4690     Fid.volume = FileId.Volume;
4691     Fid.vnode = FileId.Vnode;
4692     Fid.unique = FileId.Unique;
4693     Fid.hash = FileId.Hash;
4694
4695     code = cm_GetSCache(&Fid, &scp, userp, &req);
4696     if (code) {
4697         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
4698         (*ResultCB)->ResultStatus = status;
4699         (*ResultCB)->ResultBufferLength = 0;
4700         osi_Log2(afsd_logp, "RDR_ByteRangeUnlock cm_GetSCache FID failure code=0x%x status=0x%x",
4701                   code, status);
4702         return;
4703     }
4704
4705     lock_ObtainWrite(&scp->rw);
4706
4707     /* start by looking up the file's end */
4708     code = cm_SyncOp(scp, NULL, userp, &req, 0,
4709                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
4710     if (code) {
4711         lock_ReleaseWrite(&scp->rw);
4712         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
4713         (*ResultCB)->ResultStatus = status;
4714         (*ResultCB)->ResultBufferLength = 0;
4715         osi_Log3(afsd_logp, "RDR_ByteRangeUnlock cm_SyncOp failure scp=0x%p code=0x%x status=0x%x",
4716                  scp, code, status);
4717         return;
4718     }
4719
4720     /* the scp is now locked and current */
4721     key = cm_GenerateKey(CM_SESSION_IFS, ProcessId.QuadPart, 0);
4722
4723     for ( i=0; i<pBRURequestCB->Count; i++ ) {
4724         pResultCB->Result[i].LockType = pBRURequestCB->Request[i].LockType;
4725         pResultCB->Result[i].Offset = pBRURequestCB->Request[i].Offset;
4726         pResultCB->Result[i].Length = pBRURequestCB->Request[i].Length;
4727
4728         code = cm_Unlock(scp,
4729                          pBRURequestCB->Request[i].LockType == AFS_BYTE_RANGE_LOCK_TYPE_SHARED,
4730                          pBRURequestCB->Request[i].Offset,
4731                          pBRURequestCB->Request[i].Length,
4732                          key, CM_UNLOCK_FLAG_MATCH_RANGE, userp, &req);
4733
4734         if (code) {
4735             osi_Log4(afsd_logp, "RDR_ByteRangeUnlock FAILURE code 0x%x type 0x%u offset 0x%x:%x",
4736                      code, pBRURequestCB->Request[i].LockType,
4737                      pBRURequestCB->Request[i].Offset.HighPart,
4738                      pBRURequestCB->Request[i].Offset.LowPart);
4739             osi_Log2(afsd_logp, "... length 0x%x:%x",
4740                      pBRURequestCB->Request[i].Length.HighPart,
4741                      pBRURequestCB->Request[i].Length.LowPart);
4742         }
4743         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
4744         pResultCB->Result[i].Status = status;
4745     }
4746
4747     cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
4748     lock_ReleaseWrite(&scp->rw);
4749     cm_ReleaseSCache(scp);
4750
4751     (*ResultCB)->ResultStatus = 0;
4752     osi_Log0(afsd_logp, "RDR_ByteRangeUnlock SUCCESS");
4753     return;
4754 }
4755
4756 void
4757 RDR_ByteRangeUnlockAll( IN cm_user_t     *userp,
4758                         IN AFSFileID     FileId,
4759                         IN AFSByteRangeUnlockRequestCB *pBRURequestCB,
4760                         IN BOOL bWow64,
4761                         IN DWORD ResultBufferLength,
4762                         IN OUT AFSCommResult **ResultCB)
4763 {
4764     AFSByteRangeUnlockResultCB *pResultCB = NULL;
4765     LARGE_INTEGER ProcessId;
4766     cm_scache_t *scp = NULL;
4767     cm_fid_t    Fid;
4768     afs_uint32  code;
4769     cm_req_t    req;
4770     cm_key_t    key;
4771     DWORD       status;
4772
4773     ProcessId.QuadPart = pBRURequestCB->ProcessId;
4774
4775     RDR_InitReq(&req);
4776     if ( bWow64 )
4777         req.flags |= CM_REQ_WOW64;
4778
4779     osi_Log4(afsd_logp, "RDR_ByteRangeUnlockAll File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
4780               FileId.Cell, FileId.Volume,
4781               FileId.Vnode, FileId.Unique);
4782     osi_Log2(afsd_logp, "... ProcessId 0x%x:%x",
4783              ProcessId.HighPart, ProcessId.LowPart);
4784
4785     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult));
4786     if (!(*ResultCB))
4787         return;
4788     memset( *ResultCB, '\0', sizeof( AFSCommResult));
4789     (*ResultCB)->ResultBufferLength = 0;
4790
4791     /* Allocate the extents from the buffer package */
4792     Fid.cell = FileId.Cell;
4793     Fid.volume = FileId.Volume;
4794     Fid.vnode = FileId.Vnode;
4795     Fid.unique = FileId.Unique;
4796     Fid.hash = FileId.Hash;
4797
4798     code = cm_GetSCache(&Fid, &scp, userp, &req);
4799     if (code) {
4800         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
4801         (*ResultCB)->ResultStatus = status;
4802         (*ResultCB)->ResultBufferLength = 0;
4803         osi_Log2(afsd_logp, "RDR_ByteRangeUnlockAll cm_GetSCache FID failure code=0x%x status=0x%x",
4804                   code, status);
4805         return;
4806     }
4807
4808     lock_ObtainWrite(&scp->rw);
4809
4810     /* start by looking up the file's end */
4811     code = cm_SyncOp(scp, NULL, userp, &req, 0,
4812                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
4813     if (code) {
4814         lock_ReleaseWrite(&scp->rw);
4815         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
4816         (*ResultCB)->ResultStatus = status;
4817         (*ResultCB)->ResultBufferLength = 0;
4818         osi_Log3(afsd_logp, "RDR_ByteRangeUnlockAll cm_SyncOp failure scp=0x%p code=0x%x status=0x%x",
4819                  scp, code, status);
4820         return;
4821     }
4822
4823     /* the scp is now locked and current */
4824     key = cm_GenerateKey(CM_SESSION_IFS, ProcessId.QuadPart, 0);
4825
4826     code = cm_UnlockByKey(scp, key, 0, userp, &req);
4827
4828     cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS | CM_SCACHESYNC_LOCK);
4829     lock_ReleaseWrite(&scp->rw);
4830     cm_ReleaseSCache(scp);
4831
4832     smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
4833     (*ResultCB)->ResultStatus = status;
4834
4835     if (code)
4836         osi_Log1(afsd_logp, "RDR_ByteRangeUnlockAll FAILURE code 0x%x", code);
4837     else
4838         osi_Log0(afsd_logp, "RDR_ByteRangeUnlockAll SUCCESS");
4839     return;
4840
4841 }
4842
4843 void
4844 RDR_GetVolumeInfo( IN cm_user_t     *userp,
4845                    IN AFSFileID     FileId,
4846                    IN BOOL bWow64,
4847                    IN DWORD ResultBufferLength,
4848                    IN OUT AFSCommResult **ResultCB)
4849 {
4850     AFSVolumeInfoCB *pResultCB = NULL;
4851     DWORD       Length;
4852     cm_scache_t *scp = NULL;
4853     cm_volume_t *volp = NULL;
4854     cm_vol_state_t *volstatep = NULL;
4855     afs_uint32   volType;
4856     cm_cell_t   *cellp = NULL;
4857     cm_fid_t    Fid;
4858     afs_uint32  code;
4859     cm_req_t    req;
4860     DWORD       status;
4861     FILETIME ft = {0x832cf000, 0x01abfcc4}; /* October 1, 1982 00:00:00 +0600 */
4862
4863     char volName[32]="(unknown)";
4864     char offLineMsg[256]="server temporarily inaccessible";
4865     char motd[256]="server temporarily inaccessible";
4866     cm_conn_t *connp;
4867     AFSFetchVolumeStatus volStat;
4868     char *Name;
4869     char *OfflineMsg;
4870     char *MOTD;
4871     struct rx_connection * rxconnp;
4872
4873     RDR_InitReq(&req);
4874     if ( bWow64 )
4875         req.flags |= CM_REQ_WOW64;
4876
4877     osi_Log4(afsd_logp, "RDR_GetVolumeInfo File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
4878              FileId.Cell, FileId.Volume,
4879              FileId.Vnode, FileId.Unique);
4880
4881     Length = sizeof( AFSCommResult) + sizeof(AFSVolumeInfoCB);
4882     if (sizeof(AFSVolumeInfoCB) > ResultBufferLength) {
4883         *ResultCB = (AFSCommResult *)malloc(sizeof(AFSCommResult) );
4884         if (!(*ResultCB))
4885             return;
4886         memset( *ResultCB, 0, sizeof(AFSCommResult));
4887         (*ResultCB)->ResultStatus = STATUS_BUFFER_OVERFLOW;
4888         return;
4889     }
4890
4891     *ResultCB = (AFSCommResult *)malloc( Length );
4892     if (!(*ResultCB))
4893         return;
4894     memset( *ResultCB, '\0', Length );
4895     (*ResultCB)->ResultBufferLength = sizeof(AFSVolumeInfoCB);
4896     pResultCB = (AFSVolumeInfoCB *)(*ResultCB)->ResultData;
4897
4898     /* Allocate the extents from the buffer package */
4899     if (FileId.Cell != 0) {
4900         Fid.cell = FileId.Cell;
4901         Fid.volume = FileId.Volume;
4902         Fid.vnode = FileId.Vnode;
4903         Fid.unique = FileId.Unique;
4904         Fid.hash = FileId.Hash;
4905
4906         code = cm_GetSCache(&Fid, &scp, userp, &req);
4907         if (code) {
4908             smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
4909             (*ResultCB)->ResultStatus = status;
4910             (*ResultCB)->ResultBufferLength = 0;
4911             osi_Log2(afsd_logp, "RDR_GetVolumeInfo cm_GetSCache FID failure code=0x%x status=0x%x",
4912                       code, status);
4913             return;
4914         }
4915     } else {
4916         (*ResultCB)->ResultStatus = STATUS_OBJECT_NAME_INVALID;
4917         osi_Log0(afsd_logp, "RDR_GetVolumeInfo Object Name Invalid - Cell = 0");
4918         return;
4919     }
4920     lock_ObtainWrite(&scp->rw);
4921
4922     /* start by looking up the file's end */
4923     code = cm_SyncOp(scp, NULL, userp, &req, 0,
4924                       CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
4925     if (code) {
4926         lock_ReleaseWrite(&scp->rw);
4927         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
4928         (*ResultCB)->ResultStatus = status;
4929         (*ResultCB)->ResultBufferLength = 0;
4930         osi_Log3(afsd_logp, "RDR_GetVolumeInfo cm_SyncOp failure scp=0x%p code=0x%x status=0x%x",
4931                  scp, code, status);
4932         return;
4933     }
4934
4935     /* Fake for now */
4936     pResultCB->SectorsPerAllocationUnit = 1;
4937     pResultCB->BytesPerSector = 1024;
4938
4939     pResultCB->CellID = scp->fid.cell;
4940     pResultCB->VolumeID = scp->fid.volume;
4941     pResultCB->Characteristics = FILE_REMOTE_DEVICE;
4942     pResultCB->FileSystemAttributes = FILE_CASE_PRESERVED_NAMES | FILE_UNICODE_ON_DISK |
4943         FILE_SUPPORTS_REPARSE_POINTS;
4944
4945     if (scp->fid.cell==AFS_FAKE_ROOT_CELL_ID &&
4946          scp->fid.volume==AFS_FAKE_ROOT_VOL_ID)
4947     {
4948         pResultCB->TotalAllocationUnits.QuadPart = 100;
4949         memcpy(&pResultCB->VolumeCreationTime, &ft, sizeof(ft));
4950
4951         pResultCB->AvailableAllocationUnits.QuadPart = 0;
4952         pResultCB->Characteristics |= FILE_READ_ONLY_DEVICE;
4953
4954         pResultCB->VolumeLabelLength = cm_Utf8ToUtf16( "Freelance.Local.Root", -1, pResultCB->VolumeLabel,
4955                                                        (sizeof(pResultCB->VolumeLabel) / sizeof(WCHAR)) + 1);
4956         if ( pResultCB->VolumeLabelLength )
4957             pResultCB->VolumeLabelLength--;
4958     } else {
4959         memcpy(&pResultCB->VolumeCreationTime, &ft, sizeof(ft));
4960
4961         volp = cm_GetVolumeByFID(&scp->fid);
4962         if (!volp) {
4963             code = CM_ERROR_NOSUCHVOLUME;
4964             goto _done;
4965         }
4966         volstatep = cm_VolumeStateByID(volp, scp->fid.volume);
4967         volType = cm_VolumeType(volp, scp->fid.volume);
4968
4969         pResultCB->Characteristics |= ((volType == ROVOL || volType == BACKVOL) ? FILE_READ_ONLY_DEVICE : 0);
4970
4971         Name = volName;
4972         OfflineMsg = offLineMsg;
4973         MOTD = motd;
4974         lock_ReleaseWrite(&scp->rw);
4975         do {
4976             code = cm_ConnFromFID(&scp->fid, userp, &req, &connp);
4977             if (code) continue;
4978
4979             rxconnp = cm_GetRxConn(connp);
4980             code = RXAFS_GetVolumeStatus(rxconnp, scp->fid.volume,
4981                                          &volStat, &Name, &OfflineMsg, &MOTD);
4982             rx_PutConnection(rxconnp);
4983
4984         } while (cm_Analyze(connp, userp, &req, &scp->fid, NULL, NULL, NULL, code));
4985         code = cm_MapRPCError(code, &req);
4986         if (code == 0) {
4987             pResultCB->TotalAllocationUnits.QuadPart = volStat.PartMaxBlocks;
4988             pResultCB->AvailableAllocationUnits.QuadPart = volStat.PartBlocksAvail;
4989
4990             pResultCB->VolumeLabelLength = cm_Utf8ToUtf16( Name, -1, pResultCB->VolumeLabel,
4991                                                            (sizeof(pResultCB->VolumeLabel) / sizeof(WCHAR)) + 1);
4992         } else {
4993             pResultCB->TotalAllocationUnits.QuadPart = 0x7FFFFFFF;
4994             pResultCB->AvailableAllocationUnits.QuadPart = (volType == ROVOL || volType == BACKVOL) ? 0 : 0x3F000000;
4995
4996             pResultCB->VolumeLabelLength = cm_Utf8ToUtf16( volp->namep, -1, pResultCB->VolumeLabel,
4997                                                            (sizeof(pResultCB->VolumeLabel) / sizeof(WCHAR)) + 1);
4998             code = 0;
4999         }
5000         if ( pResultCB->VolumeLabelLength )
5001             pResultCB->VolumeLabelLength--;
5002
5003         lock_ObtainWrite(&scp->rw);
5004     }
5005     pResultCB->VolumeLabelLength *= sizeof(WCHAR);  /* convert to bytes from chars */
5006
5007     cm_SyncOpDone(scp, NULL, CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
5008
5009   _done:
5010     lock_ReleaseWrite(&scp->rw);
5011     if (volp)
5012        cm_PutVolume(volp);
5013     cm_ReleaseSCache(scp);
5014
5015     smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
5016     (*ResultCB)->ResultStatus = status;
5017     osi_Log0(afsd_logp, "RDR_GetVolumeInfo SUCCESS");
5018     return;
5019 }
5020
5021 void
5022 RDR_HoldFid( IN cm_user_t     *userp,
5023              IN AFSHoldFidRequestCB * pHoldFidCB,
5024              IN BOOL bFast,
5025              IN DWORD ResultBufferLength,
5026              IN OUT AFSCommResult **ResultCB)
5027 {
5028     AFSHoldFidResultCB *pResultCB = NULL;
5029     DWORD       index;
5030     DWORD       Length;
5031     cm_req_t    req;
5032
5033     RDR_InitReq(&req);
5034
5035     osi_Log1(afsd_logp, "RDR_HoldFid Count=%u", pHoldFidCB->Count);
5036
5037     Length = sizeof(AFSHoldFidResultCB) + (pHoldFidCB->Count-1) * sizeof(AFSFidResult);
5038     if (Length > ResultBufferLength) {
5039         *ResultCB = (AFSCommResult *)malloc(sizeof(AFSCommResult) );
5040         if (!(*ResultCB))
5041             return;
5042         memset( *ResultCB, 0, sizeof(AFSCommResult));
5043         (*ResultCB)->ResultStatus = STATUS_BUFFER_OVERFLOW;
5044         return;
5045     }
5046     *ResultCB = (AFSCommResult *)malloc( Length + sizeof( AFSCommResult) );
5047     if (!(*ResultCB))
5048         return;
5049     memset( *ResultCB, '\0', Length );
5050     (*ResultCB)->ResultBufferLength = Length;
5051     pResultCB = (AFSHoldFidResultCB *)(*ResultCB)->ResultData;
5052
5053     for ( index = 0; index < pHoldFidCB->Count; index++ )
5054     {
5055         cm_scache_t *scp = NULL;
5056         cm_fid_t    Fid;
5057
5058         Fid.cell   = pResultCB->Result[index].FileID.Cell   = pHoldFidCB->FileID[index].Cell;
5059         Fid.volume = pResultCB->Result[index].FileID.Volume = pHoldFidCB->FileID[index].Volume;
5060         Fid.vnode  = pResultCB->Result[index].FileID.Vnode  = pHoldFidCB->FileID[index].Vnode;
5061         Fid.unique = pResultCB->Result[index].FileID.Unique = pHoldFidCB->FileID[index].Unique;
5062         Fid.hash   = pResultCB->Result[index].FileID.Hash   = pHoldFidCB->FileID[index].Hash;
5063
5064         osi_Log4( afsd_logp,
5065                   "RDR_HoldFid File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
5066                   Fid.cell, Fid.volume, Fid.vnode, Fid.unique);
5067
5068         scp = cm_FindSCache(&Fid);
5069         if (scp) {
5070             RDR_FlagScpInUse( scp, FALSE );
5071             cm_ReleaseSCache(scp);
5072         }
5073         pResultCB->Result[index].Status = 0;
5074     }
5075
5076     (*ResultCB)->ResultStatus = 0;
5077     osi_Log0(afsd_logp, "RDR_HoldFid SUCCESS");
5078     return;
5079 }
5080
5081 void
5082 RDR_ReleaseFid( IN cm_user_t     *userp,
5083                 IN AFSReleaseFidRequestCB * pReleaseFidCB,
5084                 IN BOOL bFast,
5085                 IN DWORD ResultBufferLength,
5086                 IN OUT AFSCommResult **ResultCB)
5087 {
5088     AFSReleaseFidResultCB *pResultCB = NULL;
5089     DWORD       index;
5090     DWORD       Length;
5091     cm_req_t    req;
5092
5093     RDR_InitReq(&req);
5094
5095     osi_Log1(afsd_logp, "RDR_ReleaseFid Count=%u", pReleaseFidCB->Count);
5096
5097     Length = sizeof(AFSReleaseFidResultCB) + (pReleaseFidCB->Count ? pReleaseFidCB->Count-1 : 0) * sizeof(AFSFidResult);
5098     if (Length > ResultBufferLength) {
5099         *ResultCB = (AFSCommResult *)malloc(sizeof(AFSCommResult) );
5100         if (!(*ResultCB))
5101             return;
5102         memset( *ResultCB, 0, sizeof(AFSCommResult));
5103         (*ResultCB)->ResultStatus = STATUS_BUFFER_OVERFLOW;
5104         return;
5105     }
5106     *ResultCB = (AFSCommResult *)malloc( Length + sizeof( AFSCommResult) );
5107     if (!(*ResultCB))
5108         return;
5109     memset( *ResultCB, '\0', Length );
5110     (*ResultCB)->ResultBufferLength = Length;
5111     pResultCB = (AFSReleaseFidResultCB *)(*ResultCB)->ResultData;
5112
5113     for ( index = 0; index < pReleaseFidCB->Count; index++ )
5114     {
5115         cm_scache_t *scp = NULL;
5116         cm_fid_t    Fid;
5117
5118         Fid.cell   = pResultCB->Result[index].FileID.Cell   = pReleaseFidCB->FileID[index].Cell;
5119         Fid.volume = pResultCB->Result[index].FileID.Volume = pReleaseFidCB->FileID[index].Volume;
5120         Fid.vnode  = pResultCB->Result[index].FileID.Vnode  = pReleaseFidCB->FileID[index].Vnode;
5121         Fid.unique = pResultCB->Result[index].FileID.Unique = pReleaseFidCB->FileID[index].Unique;
5122         Fid.hash   = pResultCB->Result[index].FileID.Hash   = pReleaseFidCB->FileID[index].Hash;
5123
5124         osi_Log4( afsd_logp,
5125                   "RDR_ReleaseFid File FID cell=0x%x vol=0x%x vn=0x%x uniq=0x%x",
5126                   Fid.cell, Fid.volume, Fid.vnode, Fid.unique);
5127
5128         scp = cm_FindSCache(&Fid);
5129         if (scp) {
5130             lock_ObtainWrite(&scp->rw);
5131             scp->flags &= ~CM_SCACHEFLAG_RDR_IN_USE;
5132             lock_ReleaseWrite(&scp->rw);
5133
5134             cm_ReleaseSCache(scp);
5135         }
5136         pResultCB->Result[index].Status = 0;
5137     }
5138     pResultCB->Count = pReleaseFidCB->Count;
5139
5140     (*ResultCB)->ResultStatus = 0;
5141     osi_Log0(afsd_logp, "RDR_ReleaseFid SUCCESS");
5142     return;
5143 }
5144
5145 /*
5146  * The redirector makes several assumptions regarding the
5147  * SRVSVC and WKSSVC pipes transactions.  First, the interface
5148  * versions are those indicated below.  Secondly, the encoding
5149  * will be performed using NDR version 2.  These assumptions
5150  * may not hold in the future and end-to-end MSRPC Bind
5151  * negotiations may need to be supported.  Of course, these
5152  * are the only interface versions that are supported by the
5153  * service.
5154  */
5155 #define MSRPC_PIPE_PREFIX L".\\"
5156
5157 static const UUID MSRPC_SRVSVC_UUID = {0x4B324FC8, 0x1670, 0x01D3,
5158                                        {0x12, 0x78, 0x5A, 0x47, 0xBF, 0x6E, 0xE1, 0x88}};
5159 #define MSRPC_SRVSVC_NAME L"PIPE\\SRVSVC"
5160 #define MSRPC_SRVSVC_VERS 3
5161
5162 static const UUID MSRPC_WKSSVC_UUID = {0x6BFFD098, 0xA112, 0x3610,
5163                                        {0x98, 0x33, 0x46, 0xC3, 0xF8, 0x7E, 0x34, 0x5A}};
5164 #define MSRPC_WKSSVC_NAME L"PIPE\\WKSSVC"
5165 #define MSRPC_WKSSVC_VERS 1
5166
5167 static const UUID MSRPC_NDR_UUID = {0x8A885D04, 0x1CEB, 0x11C9,
5168                                     {0x9F, 0xE8, 0x08, 0x00, 0x2B, 0x10, 0x48, 0x60}};
5169 #define MSRPC_NDR_NAME    L"NDR"
5170 #define MSRPC_NDR_VERS    2
5171
5172 extern RPC_IF_HANDLE srvsvc_v3_0_s_ifspec;
5173 extern RPC_IF_HANDLE wkssvc_v1_0_s_ifspec;
5174
5175 void
5176 RDR_PipeOpen( IN cm_user_t *userp,
5177               IN AFSFileID  ParentId,
5178               IN WCHAR     *Name,
5179               IN DWORD      NameLength,
5180               IN AFSPipeOpenCloseRequestCB *pPipe_CB,
5181               IN BOOL bWow64,
5182               IN DWORD ResultBufferLength,
5183               IN OUT AFSCommResult **ResultCB)
5184 {
5185     cm_fid_t    ParentFid;
5186     cm_fid_t    RootFid;
5187
5188     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult));
5189     if (!(*ResultCB))
5190         return;
5191
5192     memset( *ResultCB,
5193             '\0',
5194             sizeof( AFSCommResult));
5195
5196     /* Get the active directory */
5197     ParentFid.cell = ParentId.Cell;
5198     ParentFid.volume = ParentId.Volume;
5199     ParentFid.vnode = ParentId.Vnode;
5200     ParentFid.unique = ParentId.Unique;
5201     ParentFid.hash = ParentId.Hash;
5202
5203     /* Get the root directory */
5204     RootFid.cell = pPipe_CB->RootId.Cell;
5205     RootFid.volume = pPipe_CB->RootId.Volume;
5206     RootFid.vnode = pPipe_CB->RootId.Vnode;
5207     RootFid.unique = pPipe_CB->RootId.Unique;
5208     RootFid.hash = pPipe_CB->RootId.Hash;
5209
5210     /* Create the pipe index */
5211     (*ResultCB)->ResultStatus =
5212       RDR_SetupPipe( pPipe_CB->RequestId, &ParentFid, &RootFid,
5213                      Name, NameLength, userp);
5214     return;
5215 }
5216
5217
5218 void
5219 RDR_PipeClose( IN cm_user_t *userp,
5220                IN AFSFileID  ParentId,
5221                IN AFSPipeOpenCloseRequestCB *pPipe_CB,
5222                IN BOOL bWow64,
5223                IN DWORD ResultBufferLength,
5224                IN OUT AFSCommResult **ResultCB)
5225 {
5226     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult));
5227     if (!(*ResultCB))
5228         return;
5229
5230     memset( *ResultCB,
5231             '\0',
5232             sizeof( AFSCommResult));
5233
5234     /* Cleanup the pipe index */
5235     RDR_CleanupPipe(pPipe_CB->RequestId);
5236
5237     return;
5238 }
5239
5240
5241 void
5242 RDR_PipeWrite( IN cm_user_t *userp,
5243                IN AFSFileID  ParentId,
5244                IN AFSPipeIORequestCB *pPipe_CB,
5245                IN BYTE *pPipe_Data,
5246                IN BOOL bWow64,
5247                IN DWORD ResultBufferLength,
5248                IN OUT AFSCommResult **ResultCB)
5249 {
5250     AFSPipeIOResultCB *pResultCB;
5251     cm_scache_t *dscp = NULL;
5252     afs_uint32  code;
5253     cm_req_t    req;
5254     DWORD       status;
5255
5256     RDR_InitReq(&req);
5257     if ( bWow64 )
5258         req.flags |= CM_REQ_WOW64;
5259
5260     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult) + sizeof(AFSPipeIOResultCB));
5261     if (!(*ResultCB))
5262         return;
5263
5264     memset( *ResultCB,
5265             '\0',
5266             sizeof( AFSCommResult) + sizeof(AFSPipeIOResultCB));
5267
5268     pResultCB = (AFSPipeIOResultCB *)(*ResultCB)->ResultData;
5269
5270     code = RDR_Pipe_Write( pPipe_CB->RequestId, pPipe_CB->BufferLength, pPipe_Data, &req, userp);
5271     if (code) {
5272         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
5273         (*ResultCB)->ResultStatus = status;
5274         return;
5275     }
5276
5277     pResultCB->BytesProcessed = pPipe_CB->BufferLength;
5278     (*ResultCB)->ResultBufferLength = sizeof( AFSPipeIOResultCB);
5279 }
5280
5281
5282 void
5283 RDR_PipeRead( IN cm_user_t *userp,
5284               IN AFSFileID  ParentId,
5285               IN AFSPipeIORequestCB *pPipe_CB,
5286               IN BOOL bWow64,
5287               IN DWORD ResultBufferLength,
5288               IN OUT AFSCommResult **ResultCB)
5289 {
5290     BYTE *pPipe_Data;
5291     cm_scache_t *dscp = NULL;
5292     afs_uint32  code;
5293     cm_req_t    req;
5294     DWORD       status;
5295
5296     RDR_InitReq(&req);
5297     if ( bWow64 )
5298         req.flags |= CM_REQ_WOW64;
5299
5300     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult) + ResultBufferLength);
5301     if (!(*ResultCB))
5302         return;
5303
5304     memset( *ResultCB,
5305             '\0',
5306             sizeof( AFSCommResult));
5307
5308     pPipe_Data = (BYTE *)(*ResultCB)->ResultData;
5309
5310     code = RDR_Pipe_Read( pPipe_CB->RequestId, ResultBufferLength, pPipe_Data,
5311                           &(*ResultCB)->ResultBufferLength, &req, userp);
5312     if (code) {
5313         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
5314         (*ResultCB)->ResultStatus = status;
5315         return;
5316     }
5317 }
5318
5319
5320 void
5321 RDR_PipeSetInfo( IN cm_user_t *userp,
5322                  IN AFSFileID  ParentId,
5323                  IN AFSPipeInfoRequestCB *pPipeInfo_CB,
5324                  IN BYTE *pPipe_Data,
5325                  IN BOOL bWow64,
5326                  IN DWORD ResultBufferLength,
5327                  IN OUT AFSCommResult **ResultCB)
5328 {
5329     cm_scache_t *dscp = NULL;
5330     cm_req_t    req;
5331     DWORD       status;
5332
5333     RDR_InitReq(&req);
5334     if ( bWow64 )
5335         req.flags |= CM_REQ_WOW64;
5336
5337     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult));
5338     if (!(*ResultCB))
5339         return;
5340
5341     memset( *ResultCB,
5342             '\0',
5343             sizeof( AFSCommResult));
5344
5345     status = RDR_Pipe_SetInfo( pPipeInfo_CB->RequestId, pPipeInfo_CB->InformationClass,
5346                                pPipeInfo_CB->BufferLength, pPipe_Data, &req, userp);
5347
5348     (*ResultCB)->ResultStatus = status;
5349 }
5350
5351
5352 void
5353 RDR_PipeQueryInfo( IN cm_user_t *userp,
5354                    IN AFSFileID  ParentId,
5355                    IN AFSPipeInfoRequestCB *pPipeInfo_CB,
5356                    IN BOOL bWow64,
5357                    IN DWORD ResultBufferLength,
5358                    IN OUT AFSCommResult **ResultCB)
5359 {
5360     BYTE *pPipe_Data;
5361     cm_scache_t *dscp = NULL;
5362     cm_req_t    req;
5363     DWORD       status;
5364
5365     RDR_InitReq(&req);
5366     if ( bWow64 )
5367         req.flags |= CM_REQ_WOW64;
5368
5369     *ResultCB = (AFSCommResult *)malloc( sizeof( AFSCommResult) + ResultBufferLength);
5370     if (!(*ResultCB))
5371         return;
5372
5373     memset( *ResultCB,
5374             '\0',
5375             sizeof( AFSCommResult) + sizeof(AFSPipeIOResultCB));
5376
5377     pPipe_Data = (BYTE *)(*ResultCB)->ResultData;
5378
5379     status = RDR_Pipe_QueryInfo( pPipeInfo_CB->RequestId, pPipeInfo_CB->InformationClass,
5380                                  ResultBufferLength, pPipe_Data,
5381                                  &(*ResultCB)->ResultBufferLength, &req, userp);
5382
5383     (*ResultCB)->ResultStatus = status;
5384 }
5385
5386 void
5387 RDR_PipeTransceive( IN cm_user_t     *userp,
5388                     IN AFSFileID  ParentId,
5389                     IN AFSPipeIORequestCB *pPipe_CB,
5390                     IN BYTE *pPipe_InData,
5391                     IN BOOL bWow64,
5392                     IN DWORD ResultBufferLength,
5393                     IN OUT AFSCommResult **ResultCB)
5394 {
5395     /*
5396      * This function processes a Pipe Service request
5397      * that would normally be sent to a LAN Manager server
5398      * across an authenticated SMB-PIPE/MSRPC/SVC request
5399      * stack.  The request is being sent here because the
5400      * application (e.g., Explorer Shell or Common Control File
5401      * dialog) believes that because the UNC path it is
5402      * processing has specified a server name that is not
5403      * "." and that the Server is remote and that the Share
5404      * list cannot be obtained using the Network Provider
5405      * interface.
5406      *
5407      * The file system driver is faking the Bind-Ack response
5408      * to the MSRPC Bind request but cannot decode the NDR
5409      * encoded Pipe Service requests.  For that we will use
5410      * the service's MSRPC module.  However, unlike the SMB
5411      * server usage we must fake the MSRPC Bind exchange and
5412      * map the PipeName to an interface instead of using the
5413      * GUID specified in the MSRPC Bind request.
5414      *
5415      * None of the requests that are being processed by the
5416      * service require authentication.  As a result the userp
5417      * parameter will be ignored.
5418      *
5419      * Although there are dozens of Pipe Services, the only
5420      * ones that we are implementing are WKSSVC and SRVSVC.
5421      * These support NetShareEnum, NetShareGetInfo,
5422      * NetServerGetInfo, and NetWorkstaGetInfo which are
5423      * commonly queried by NET VIEW, the Explorer Shell,
5424      * and the Common Control File dialog.
5425      */
5426     BYTE *pPipe_OutData;
5427     cm_scache_t *dscp = NULL;
5428     afs_uint32  code;
5429     cm_req_t    req;
5430     DWORD       status;
5431     DWORD Length = ResultBufferLength + sizeof( AFSCommResult);
5432
5433     RDR_InitReq(&req);
5434     if ( bWow64 )
5435         req.flags |= CM_REQ_WOW64;
5436
5437     *ResultCB = (AFSCommResult *)malloc( Length);
5438     if (!(*ResultCB))
5439         return;
5440     memset( *ResultCB, '\0', Length );
5441
5442     code = RDR_Pipe_Write( pPipe_CB->RequestId, pPipe_CB->BufferLength, pPipe_InData, &req, userp);
5443     if (code) {
5444         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
5445         osi_Log2( afsd_logp, "RDR_Pipe_Transceive Write FAILURE code=0x%x status=0x%x",
5446                   code, status);
5447         (*ResultCB)->ResultStatus = status;
5448         return;
5449     }
5450
5451     pPipe_OutData = (BYTE *)(*ResultCB)->ResultData;
5452     code = RDR_Pipe_Read( pPipe_CB->RequestId, ResultBufferLength, pPipe_OutData,
5453                           &(*ResultCB)->ResultBufferLength, &req, userp);
5454     if (code) {
5455         smb_MapNTError(cm_MapRPCError(code, &req), &status, TRUE);
5456         osi_Log2( afsd_logp, "RDR_Pipe_Transceive Read FAILURE code=0x%x status=0x%x",
5457                   code, status);
5458         (*ResultCB)->ResultStatus = status;
5459         return;
5460     }
5461
5462     (*ResultCB)->ResultStatus = 0;
5463     osi_Log0(afsd_logp, "RDR_Pipe_Transceive SUCCESS");
5464 }