2 * Copyright 2000, International Business Machines Corporation and others.
5 * This software has been released under the terms of the IBM Public
6 * License. For details, see the LICENSE file in the top-level source
7 * directory or online at http://www.openafs.org/dl/license10.html
10 #include <afsconfig.h>
11 #include <afs/param.h>
18 #pragma warning(disable: 4005)
32 #include <rx/rx_prototypes.h>
33 #include <WINNT\afsreg.h>
37 #include "lanahelper.h"
39 #define STRSAFE_NO_DEPRECATE
42 /* These characters are illegal in Windows filenames */
43 static clientchar_t *illegalChars = _C("\\/:*?\"<>|");
45 static int smbShutdownFlag = 0;
46 static int smb_ListenerState = SMB_LISTENER_UNINITIALIZED;
48 int smb_LogoffTokenTransfer;
49 time_t smb_LogoffTransferTimeout;
51 int smb_StoreAnsiFilenames = 0;
53 DWORD last_msg_time = 0;
57 unsigned int sessionGen = 0;
59 extern void afsi_log(char *pattern, ...);
60 extern HANDLE afsi_file;
61 extern int powerStateSuspended;
63 osi_hyper_t hzero = {0, 0};
64 osi_hyper_t hones = {0xFFFFFFFF, -1};
67 osi_rwlock_t smb_globalLock;
68 osi_rwlock_t smb_rctLock;
69 osi_mutex_t smb_ListenerLock;
70 osi_mutex_t smb_StartedLock;
72 unsigned char smb_LANadapter = LANA_INVALID;
73 unsigned char smb_sharename[NCBNAMSZ+1] = {0};
74 int smb_LanAdapterChangeDetected = 0;
75 afs_uint32 smb_AsyncStore = 1;
76 afs_uint32 smb_AsyncStoreSize = CM_CONFIGDEFAULT_ASYNCSTORESIZE;
78 BOOL isGateway = FALSE;
81 long smb_maxObsConcurrentCalls=0;
82 long smb_concurrentCalls=0;
84 smb_dispatch_t smb_dispatchTable[SMB_NOPCODES];
86 smb_packet_t *smb_packetFreeListp;
87 smb_ncb_t *smb_ncbFreeListp;
89 afs_uint32 smb_NumServerThreads;
91 afs_uint32 numNCBs, numSessions, numVCs;
93 int smb_maxVCPerServer;
94 int smb_maxMpxRequests;
96 int smb_authType = SMB_AUTH_EXTENDED; /* type of SMB auth to use. One of SMB_AUTH_* */
98 ULONG smb_lsaSecPackage;
99 LSA_STRING smb_lsaLogonOrigin;
101 #define NCB_MAX MAXIMUM_WAIT_OBJECTS
102 EVENT_HANDLE NCBavails[NCB_MAX], NCBevents[NCB_MAX];
103 EVENT_HANDLE **NCBreturns;
104 EVENT_HANDLE **NCBShutdown;
105 EVENT_HANDLE *smb_ServerShutdown;
106 EVENT_HANDLE ListenerShutdown[256];
107 DWORD NCBsessions[NCB_MAX];
109 struct smb_packet *bufs[NCB_MAX];
111 #define SESSION_MAX MAXIMUM_WAIT_OBJECTS - 4
112 EVENT_HANDLE SessionEvents[SESSION_MAX];
113 unsigned short LSNs[SESSION_MAX];
114 int lanas[SESSION_MAX];
115 BOOL dead_sessions[SESSION_MAX];
118 osi_mutex_t smb_RawBufLock;
121 #define SMB_MASKFLAG_TILDE 1
122 #define SMB_MASKFLAG_CASEFOLD 2
124 #define RAWTIMEOUT INFINITE
127 typedef struct raw_write_cont {
136 /* dir search stuff */
137 long smb_dirSearchCounter = 1;
138 smb_dirSearch_t *smb_firstDirSearchp;
139 smb_dirSearch_t *smb_lastDirSearchp;
141 /* Initial mode bits for files and directories. Set to 0 to use
143 int smb_unixModeDefaultFile = 0666;
144 int smb_unixModeDefaultDir = 0777;
146 /* hide dot files? */
147 int smb_hideDotFiles;
149 /* Negotiate Unicode support? */
152 /* global state about V3 protocols */
153 int smb_useV3; /* try to negotiate V3 */
155 static int showErrors = 0;
156 /* MessageBox or something like it */
157 int (_stdcall *smb_MBfunc)(HWND, LPCTSTR, LPCTSTR, UINT)
161 * Time in Unix format of midnight, 1/1/1970 local time.
162 * When added to dosUTime, gives Unix (AFS) time.
164 time_t smb_localZero = 0;
166 char *smb_localNamep = NULL;
168 smb_vc_t *smb_allVCsp;
169 smb_vc_t *smb_deadVCsp;
171 smb_username_t *usernamesp = NULL;
173 smb_waitingLockRequest_t *smb_allWaitingLocks;
176 void smb_DispatchPacket(smb_vc_t *vcp, smb_packet_t *inp, smb_packet_t *outp,
177 NCB *ncbp, raw_write_cont_t *rwcp);
178 int smb_NetbiosInit(int);
181 void smb_LogPacket(smb_packet_t *packet);
182 #endif /* LOG_PACKET */
184 clientchar_t smb_ServerDomainName[MAX_COMPUTERNAME_LENGTH + 1] = _C(""); /* domain name */
185 int smb_ServerDomainNameLength = 0;
186 clientchar_t smb_ServerOS[] = _C("Windows 5.0"); /* Faux OS String */
187 int smb_ServerOSLength = lengthof(smb_ServerOS);
188 clientchar_t smb_ServerLanManager[] = _C("Windows 2000 LAN Manager"); /* Faux LAN Manager string */
189 int smb_ServerLanManagerLength = lengthof(smb_ServerLanManager);
191 /* Faux server GUID. This is never checked. */
192 GUID smb_ServerGUID = { 0x40015cb8, 0x058a, 0x44fc, { 0xae, 0x7e, 0xbb, 0x29, 0x52, 0xee, 0x7e, 0xff }};
194 void smb_InitReq(cm_req_t *reqp)
197 reqp->flags |= CM_REQ_SOURCE_SMB;
200 const char * ncb_error_string(int code)
204 case 0x01: s = "NRC_BUFLEN llegal buffer length"; break;
205 case 0x03: s = "NRC_ILLCMD illegal command"; break;
206 case 0x05: s = "NRC_CMDTMO command timed out"; break;
207 case 0x06: s = "NRC_INCOMP message incomplete, issue another command"; break;
208 case 0x07: s = "NRC_BADDR illegal buffer address"; break;
209 case 0x08: s = "NRC_SNUMOUT session number out of range"; break;
210 case 0x09: s = "NRC_NORES no resource available"; break;
211 case 0x0a: s = "NRC_SCLOSED asession closed"; break;
212 case 0x0b: s = "NRC_CMDCAN command cancelled"; break;
213 case 0x0d: s = "NRC_DUPNAME duplicate name"; break;
214 case 0x0e: s = "NRC_NAMTFUL name table full"; break;
215 case 0x0f: s = "NRC_ACTSES no deletions, name has active sessions"; break;
216 case 0x11: s = "NRC_LOCTFUL local session table full"; break;
217 case 0x12: s = "NRC_REMTFUL remote session table full"; break;
218 case 0x13: s = "NRC_ILLNN illegal name number"; break;
219 case 0x14: s = "NRC_NOCALL no callname"; break;
220 case 0x15: s = "NRC_NOWILD cannot put * in NCB_NAME"; break;
221 case 0x16: s = "NRC_INUSE name in use on remote adapter"; break;
222 case 0x17: s = "NRC_NAMERR name deleted"; break;
223 case 0x18: s = "NRC_SABORT session ended abnormally"; break;
224 case 0x19: s = "NRC_NAMCONF name conflict detected"; break;
225 case 0x21: s = "NRC_IFBUSY interface busy, IRET before retrying"; break;
226 case 0x22: s = "NRC_TOOMANY too many commands outstanding, retry later";break;
227 case 0x23: s = "NRC_BRIDGE ncb_lana_num field invalid"; break;
228 case 0x24: s = "NRC_CANOCCR command completed while cancel occurring "; break;
229 case 0x26: s = "NRC_CANCEL command not valid to cancel"; break;
230 case 0x30: s = "NRC_DUPENV name defined by anther local process"; break;
231 case 0x34: s = "NRC_ENVNOTDEF xenvironment undefined. RESET required"; break;
232 case 0x35: s = "NRC_OSRESNOTAV required OS resources exhausted"; break;
233 case 0x36: s = "NRC_MAXAPPS max number of applications exceeded"; break;
234 case 0x37: s = "NRC_NOSAPS no saps available for netbios"; break;
235 case 0x38: s = "NRC_NORESOURCES requested resources are not available"; break;
236 case 0x39: s = "NRC_INVADDRESS invalid ncb address or length > segment"; break;
237 case 0x3B: s = "NRC_INVDDID invalid NCB DDID"; break;
238 case 0x3C: s = "NRC_LOCKFAILlock of user area failed"; break;
239 case 0x3f: s = "NRC_OPENERR NETBIOS not loaded"; break;
240 case 0x40: s = "NRC_SYSTEM system error"; break;
241 default: s = "unknown error";
247 char * myCrt_Dispatch(int i)
252 return "(00)ReceiveCoreMakeDir";
254 return "(01)ReceiveCoreRemoveDir";
256 return "(02)ReceiveCoreOpen";
258 return "(03)ReceiveCoreCreate";
260 return "(04)ReceiveCoreClose";
262 return "(05)ReceiveCoreFlush";
264 return "(06)ReceiveCoreUnlink";
266 return "(07)ReceiveCoreRename";
268 return "(08)ReceiveCoreGetFileAttributes";
270 return "(09)ReceiveCoreSetFileAttributes";
272 return "(0a)ReceiveCoreRead";
274 return "(0b)ReceiveCoreWrite";
276 return "(0c)ReceiveCoreLockRecord";
278 return "(0d)ReceiveCoreUnlockRecord";
280 return "(0e)SendCoreBadOp";
282 return "(0f)ReceiveCoreCreate";
284 return "(10)ReceiveCoreCheckPath";
286 return "(11)SendCoreBadOp";
288 return "(12)ReceiveCoreSeek";
290 return "(1a)ReceiveCoreReadRaw";
292 return "(1d)ReceiveCoreWriteRawDummy";
294 return "(22)ReceiveV3SetAttributes";
296 return "(23)ReceiveV3GetAttributes";
298 return "(24)ReceiveV3LockingX";
300 return "(25)ReceiveV3Trans";
302 return "(26)ReceiveV3Trans[aux]";
304 return "(29)SendCoreBadOp";
306 return "(2b)ReceiveCoreEcho";
308 return "(2d)ReceiveV3OpenX";
310 return "(2e)ReceiveV3ReadX";
312 return "(2f)ReceiveV3WriteX";
314 return "(32)ReceiveV3Tran2A";
316 return "(33)ReceiveV3Tran2A[aux]";
318 return "(34)ReceiveV3FindClose";
320 return "(35)ReceiveV3FindNotifyClose";
322 return "(70)ReceiveCoreTreeConnect";
324 return "(71)ReceiveCoreTreeDisconnect";
326 return "(72)ReceiveNegotiate";
328 return "(73)ReceiveV3SessionSetupX";
330 return "(74)ReceiveV3UserLogoffX";
332 return "(75)ReceiveV3TreeConnectX";
334 return "(80)ReceiveCoreGetDiskAttributes";
336 return "(81)ReceiveCoreSearchDir";
340 return "(83)FindUnique";
342 return "(84)FindClose";
344 return "(A0)ReceiveNTTransact";
346 return "(A2)ReceiveNTCreateX";
348 return "(A4)ReceiveNTCancel";
350 return "(A5)ReceiveNTRename";
352 return "(C0)OpenPrintFile";
354 return "(C1)WritePrintFile";
356 return "(C2)ClosePrintFile";
358 return "(C3)GetPrintQueue";
360 return "(D8)ReadBulk";
362 return "(D9)WriteBulk";
364 return "(DA)WriteBulkData";
366 return "unknown SMB op";
370 char * myCrt_2Dispatch(int i)
375 return "unknown SMB op-2";
377 return "S(00)CreateFile_ReceiveTran2Open";
379 return "S(01)FindFirst_ReceiveTran2SearchDir";
381 return "S(02)FindNext_ReceiveTran2SearchDir"; /* FindNext */
383 return "S(03)QueryFileSystem_ReceiveTran2QFSInfo";
385 return "S(04)SetFileSystem_ReceiveTran2SetFSInfo";
387 return "S(05)QueryPathInfo_ReceiveTran2QPathInfo";
389 return "S(06)SetPathInfo_ReceiveTran2SetPathInfo";
391 return "S(07)QueryFileInfo_ReceiveTran2QFileInfo";
393 return "S(08)SetFileInfo_ReceiveTran2SetFileInfo";
395 return "S(09)_ReceiveTran2FSCTL";
397 return "S(0a)_ReceiveTran2IOCTL";
399 return "S(0b)_ReceiveTran2FindNotifyFirst";
401 return "S(0c)_ReceiveTran2FindNotifyNext";
403 return "S(0d)_ReceiveTran2CreateDirectory";
405 return "S(0e)_ReceiveTran2SessionSetup";
407 return "S(0f)_QueryFileSystemInformationFid";
409 return "S(10)_ReceiveTran2GetDfsReferral";
411 return "S(11)_ReceiveTran2ReportDfsInconsistency";
415 char * myCrt_RapDispatch(int i)
420 return "unknown RAP OP";
422 return "RAP(0)NetShareEnum";
424 return "RAP(1)NetShareGetInfo";
426 return "RAP(13)NetServerGetInfo";
428 return "RAP(63)NetWkStaGetInfo";
432 char * myCrt_NmpipeDispatch(int i)
435 case SMB_TRANS_SET_NMPIPE_STATE:
436 return "SET NMPIPE STATE";
438 case SMB_TRANS_RAW_READ_NMPIPE:
439 return "RAW READ NMPIPE";
441 case SMB_TRANS_QUERY_NMPIPE_STATE:
442 return "QUERY NMPIPE STATE";
444 case SMB_TRANS_QUERY_NMPIPE_INFO:
445 return "QUERY NMPIPE INFO";
447 case SMB_TRANS_PEEK_NMPIPE:
448 return "PEEK NMPIPE";
450 case SMB_TRANS_TRANSACT_NMPIPE:
451 return "TRANSACT NMPIPE";
453 case SMB_TRANS_RAW_WRITE_NMPIPE:
454 return "WRITE NMPIPE";
456 case SMB_TRANS_READ_NMPIPE:
457 return "READ NMPIPE";
459 case SMB_TRANS_WRITE_NMPIPE:
460 return "WRITE NMPIPE";
462 case SMB_TRANS_WAIT_NMPIPE:
463 return "WAIT NMPIPE";
465 case SMB_TRANS_CALL_NMPIPE:
466 return "CALL NMPIPE";
471 /* scache must be locked */
472 unsigned int smb_Attributes(cm_scache_t *scp)
476 if ( scp->fileType == CM_SCACHETYPE_DIRECTORY ||
477 scp->fileType == CM_SCACHETYPE_MOUNTPOINT ||
478 scp->fileType == CM_SCACHETYPE_INVALID)
480 attrs = SMB_ATTR_DIRECTORY;
481 #ifdef SPECIAL_FOLDERS
482 attrs |= SMB_ATTR_SYSTEM; /* FILE_ATTRIBUTE_SYSTEM */
483 #endif /* SPECIAL_FOLDERS */
484 } else if (scp->fileType == CM_SCACHETYPE_DFSLINK) {
485 attrs = SMB_ATTR_DIRECTORY | SMB_ATTR_SPARSE_FILE;
490 * We used to mark a file RO if it was in an RO volume, but that
491 * turns out to be impolitic in NT. See defect 10007.
494 if ((scp->unixModeBits & 0200) == 0 || (scp->flags & CM_SCACHEFLAG_RO))
495 attrs |= SMB_ATTR_READONLY; /* turn on read-only flag */
497 if ((scp->unixModeBits & 0200) == 0)
498 attrs |= SMB_ATTR_READONLY; /* turn on read-only flag */
504 void smb_SetInitialModeBitsForFile(int smb_attr, cm_attr_t * attr)
506 if (smb_unixModeDefaultFile != 0) {
507 attr->mask |= CM_ATTRMASK_UNIXMODEBITS;
508 attr->unixModeBits = smb_unixModeDefaultFile;
509 if (smb_attr & SMB_ATTR_READONLY)
510 attr->unixModeBits &= ~0222;
514 void smb_SetInitialModeBitsForDir(int smb_attr, cm_attr_t * attr)
516 if (smb_unixModeDefaultDir != 0) {
517 attr->mask |= CM_ATTRMASK_UNIXMODEBITS;
518 attr->unixModeBits = smb_unixModeDefaultDir;
522 /* Check if the named file/dir is a dotfile/dotdir */
523 /* String pointed to by lastComp can have leading slashes, but otherwise should have
524 no other patch components */
525 unsigned int smb_IsDotFile(clientchar_t *lastComp) {
529 /* skip over slashes */
530 for(s=lastComp;*s && (*s == '\\' || *s == '/'); s++);
535 /* nulls, curdir and parent dir doesn't count */
541 if(*(s+1) == _C('.') && !*(s + 2))
548 static int ExtractBits(WORD bits, short start, short len)
555 num = bits << (16 - end);
556 num = num >> ((16 - end) + start);
561 void ShowUnixTime(char *FuncName, time_t unixTime)
566 cm_LargeSearchTimeFromUnixTime(&ft, unixTime);
568 if (!FileTimeToDosDateTime(&ft, &wDate, &wTime))
569 osi_Log1(smb_logp, "Failed to convert filetime to dos datetime: %d", GetLastError());
571 int day, month, year, sec, min, hour;
574 day = ExtractBits(wDate, 0, 5);
575 month = ExtractBits(wDate, 5, 4);
576 year = ExtractBits(wDate, 9, 7) + 1980;
578 sec = ExtractBits(wTime, 0, 5);
579 min = ExtractBits(wTime, 5, 6);
580 hour = ExtractBits(wTime, 11, 5);
582 sprintf(msg, "%s = %02d-%02d-%04d %02d:%02d:%02d", FuncName, month, day, year, hour, min, sec);
583 osi_Log1(smb_logp, "%s", osi_LogSaveString(smb_logp, msg));
587 /* Determine if we are observing daylight savings time */
588 void GetTimeZoneInfo(BOOL *pDST, LONG *pDstBias, LONG *pBias)
590 TIME_ZONE_INFORMATION timeZoneInformation;
591 SYSTEMTIME utc, local, localDST;
593 /* Get the time zone info. NT uses this to calc if we are in DST. */
594 GetTimeZoneInformation(&timeZoneInformation);
596 /* Return the daylight bias */
597 *pDstBias = timeZoneInformation.DaylightBias;
599 /* Return the bias */
600 *pBias = timeZoneInformation.Bias;
602 /* Now determine if DST is being observed */
604 /* Get the UTC (GMT) time */
607 /* Convert UTC time to local time using the time zone info. If we are
608 observing DST, the calculated local time will include this.
610 SystemTimeToTzSpecificLocalTime(&timeZoneInformation, &utc, &localDST);
612 /* Set the daylight bias to 0. The daylight bias is the amount of change
613 * in time that we use for daylight savings time. By setting this to 0
614 * we cause there to be no change in time during daylight savings time.
616 timeZoneInformation.DaylightBias = 0;
618 /* Convert the utc time to local time again, but this time without any
619 adjustment for daylight savings time.
621 SystemTimeToTzSpecificLocalTime(&timeZoneInformation, &utc, &local);
623 /* If the two times are different, then it means that the localDST that
624 we calculated includes the daylight bias, and therefore we are
625 observing daylight savings time.
627 *pDST = localDST.wHour != local.wHour;
631 void CompensateForSmbClientLastWriteTimeBugs(afs_uint32 *pLastWriteTime)
633 BOOL dst; /* Will be TRUE if observing DST */
634 LONG dstBias; /* Offset from local time if observing DST */
635 LONG bias; /* Offset from GMT for local time */
638 * This function will adjust the last write time to compensate
639 * for two bugs in the smb client:
641 * 1) During Daylight Savings Time, the LastWriteTime is ahead
642 * in time by the DaylightBias (ignoring the sign - the
643 * DaylightBias is always stored as a negative number). If
644 * the DaylightBias is -60, then the LastWriteTime will be
645 * ahead by 60 minutes.
647 * 2) If the local time zone is a positive offset from GMT, then
648 * the LastWriteTime will be the correct local time plus the
649 * Bias (ignoring the sign - a positive offset from GMT is
650 * always stored as a negative Bias). If the Bias is -120,
651 * then the LastWriteTime will be ahead by 120 minutes.
653 * These bugs can occur at the same time.
656 GetTimeZoneInfo(&dst, &dstBias, &bias);
658 /* First adjust for DST */
660 *pLastWriteTime -= (-dstBias * 60); /* Convert dstBias to seconds */
662 /* Now adjust for a positive offset from GMT (a negative bias). */
664 *pLastWriteTime -= (-bias * 60); /* Convert bias to seconds */
667 void smb_DosUTimeFromUnixTime(afs_uint32 *dosUTimep, time_t unixTime)
669 time_t diff_t = unixTime - smb_localZero;
670 #if defined(DEBUG) && !defined(_USE_32BIT_TIME_T)
671 osi_assertx(diff_t < _UI32_MAX, "time_t > _UI32_MAX");
673 *dosUTimep = (afs_uint32)diff_t;
676 void smb_UnixTimeFromDosUTime(time_t *unixTimep, afs_uint32 dosTime)
678 *unixTimep = dosTime + smb_localZero;
681 void smb_MarkAllVCsDead(smb_vc_t * exclude)
684 smb_vc_t **vcp_to_cleanup = NULL;
685 int n_to_cleanup = 0;
688 osi_Log1(smb_logp, "Marking all VCs as dead excluding %p", exclude);
690 lock_ObtainWrite(&smb_globalLock); /* for dead_sessions[] */
691 lock_ObtainWrite(&smb_rctLock);
692 for (vcp = smb_allVCsp; vcp; vcp = vcp->nextp) {
694 if (vcp->magic != SMB_VC_MAGIC)
695 osi_panic("afsd: invalid smb_vc_t detected in smb_allVCsp",
701 lock_ObtainMutex(&vcp->mx);
702 if (!(vcp->flags & SMB_VCFLAG_ALREADYDEAD)) {
703 vcp->flags |= SMB_VCFLAG_ALREADYDEAD;
704 lock_ReleaseMutex(&vcp->mx);
705 dead_sessions[vcp->session] = TRUE;
707 lock_ReleaseMutex(&vcp->mx);
712 vcp_to_cleanup = malloc(sizeof(vcp_to_cleanup[0]) * n_to_cleanup);
714 for (vcp = smb_allVCsp; vcp; vcp = vcp->nextp) {
718 vcp_to_cleanup[i++] = vcp;
719 smb_HoldVCNoLock(vcp);
722 osi_assert(i == n_to_cleanup);
724 lock_ReleaseWrite(&smb_rctLock);
725 lock_ReleaseWrite(&smb_globalLock);
727 for (i=0; i < n_to_cleanup; i++) {
728 smb_CleanupDeadVC(vcp_to_cleanup[i]);
729 smb_ReleaseVC(vcp_to_cleanup[i]);
730 vcp_to_cleanup[i] = 0;
733 free(vcp_to_cleanup);
736 #ifdef DEBUG_SMB_REFCOUNT
737 smb_vc_t *smb_FindVCDbg(unsigned short lsn, int flags, int lana, char *file, long line)
739 smb_vc_t *smb_FindVC(unsigned short lsn, int flags, int lana)
744 lock_ObtainWrite(&smb_globalLock); /* for numVCs */
745 lock_ObtainWrite(&smb_rctLock);
746 for (vcp = smb_allVCsp; vcp; vcp=vcp->nextp) {
747 if (vcp->magic != SMB_VC_MAGIC)
748 osi_panic("afsd: invalid smb_vc_t detected in smb_allVCsp",
751 lock_ObtainMutex(&vcp->mx);
752 if (lsn == vcp->lsn && lana == vcp->lana &&
753 !(vcp->flags & SMB_VCFLAG_ALREADYDEAD)) {
754 lock_ReleaseMutex(&vcp->mx);
755 smb_HoldVCNoLock(vcp);
758 lock_ReleaseMutex(&vcp->mx);
760 if (!vcp && (flags & SMB_FLAG_CREATE)) {
761 vcp = malloc(sizeof(*vcp));
762 memset(vcp, 0, sizeof(*vcp));
763 vcp->vcID = ++numVCs;
764 vcp->magic = SMB_VC_MAGIC;
765 vcp->refCount = 2; /* smb_allVCsp and caller */
768 vcp->uidCounter = 1; /* UID 0 is reserved for blank user */
769 vcp->nextp = smb_allVCsp;
771 lock_InitializeMutex(&vcp->mx, "vc_t mutex", LOCK_HIERARCHY_SMB_VC);
776 if (smb_authType == SMB_AUTH_NTLM || smb_authType == SMB_AUTH_EXTENDED) {
777 /* We must obtain a challenge for extended auth
778 * in case the client negotiates smb v3
780 NTSTATUS nts = STATUS_UNSUCCESSFUL, ntsEx = STATUS_UNSUCCESSFUL;
781 MSV1_0_LM20_CHALLENGE_REQUEST lsaReq;
782 PMSV1_0_LM20_CHALLENGE_RESPONSE lsaResp = NULL;
783 ULONG lsaRespSize = 0;
785 lsaReq.MessageType = MsV1_0Lm20ChallengeRequest;
787 nts = LsaCallAuthenticationPackage( smb_lsaHandle,
794 if (nts != STATUS_SUCCESS || ntsEx != STATUS_SUCCESS) {
795 osi_Log4(smb_logp,"MsV1_0Lm20ChallengeRequest failure: nts 0x%x ntsEx 0x%x respSize is %u needs %u",
796 nts, ntsEx, sizeof(lsaReq), lsaRespSize);
797 afsi_log("MsV1_0Lm20ChallengeRequest failure: nts 0x%x ntsEx 0x%x respSize %u",
798 nts, ntsEx, lsaRespSize);
800 osi_assertx(nts == STATUS_SUCCESS, "LsaCallAuthenticationPackage failed"); /* this had better work! */
802 if (ntsEx == STATUS_SUCCESS) {
803 memcpy(vcp->encKey, lsaResp->ChallengeToClient, MSV1_0_CHALLENGE_LENGTH);
806 * This will cause the subsequent authentication to fail but
807 * that is better than us dereferencing a NULL pointer and
810 memset(vcp->encKey, 0, MSV1_0_CHALLENGE_LENGTH);
813 LsaFreeReturnBuffer(lsaResp);
816 memset(vcp->encKey, 0, MSV1_0_CHALLENGE_LENGTH);
818 if (numVCs >= CM_SESSION_RESERVED) {
820 osi_Log0(smb_logp, "WARNING: numVCs wrapping around");
823 #ifdef DEBUG_SMB_REFCOUNT
825 afsi_log("%s:%d smb_FindVC vcp 0x%p ref %d", file, line, vcp, vcp->refCount);
826 osi_Log4(smb_logp,"%s:%d smb_FindVC vcp 0x%p ref %d", file, line, vcp, vcp->refCount);
829 lock_ReleaseWrite(&smb_rctLock);
830 lock_ReleaseWrite(&smb_globalLock);
834 static int smb_Is8Dot3StarMask(clientchar_t *maskp)
839 for(i=0; i<11; i++) {
841 if (tc == _C('?') || tc == _C('*') || tc == _C('>'))
847 static int smb_IsStarMask(clientchar_t *maskp)
853 if (tc == _C('?') || tc == _C('*') || tc == _C('>'))
859 #ifdef DEBUG_SMB_REFCOUNT
860 void smb_ReleaseVCInternalDbg(smb_vc_t *vcp, char * file, long line)
861 #define smb_ReleaseVCInternal(a) smb_ReleaseVCInternalDbg(a, file, line)
863 void smb_ReleaseVCInternal(smb_vc_t *vcp)
869 lock_AssertWrite(&smb_rctLock);
872 if (vcp->refCount == 0) {
873 if (vcp->flags & SMB_VCFLAG_ALREADYDEAD) {
874 #ifdef DEBUG_SMB_REFCOUNT
875 afsi_log("%s:%d smb_ReleaseVCInternal vcp 0x%p is dead ref %d", file, line, vcp, vcp->refCount);
876 osi_Log4(smb_logp,"%s:%d smb_ReleaseVCInternal vcp 0x%p is dead ref %d", file, line, vcp, vcp->refCount);
878 /* remove VCP from smb_deadVCsp */
879 for (vcpp = &smb_deadVCsp; *vcpp; vcpp = &((*vcpp)->nextp)) {
885 lock_FinalizeMutex(&vcp->mx);
886 memset(vcp,0,sizeof(smb_vc_t));
889 #ifdef DEBUG_SMB_REFCOUNT
890 afsi_log("%s:%d smb_ReleaseVCInternal vcp 0x%p is alive ref %d", file, line, vcp, vcp->refCount);
892 for (avcp = smb_allVCsp; avcp; avcp = avcp->nextp) {
896 osi_Log3(smb_logp,"VCP not dead and %sin smb_allVCsp vcp %x ref %d",
897 avcp?"":"not ",vcp, vcp->refCount);
899 /* This is a wrong. However, I suspect that there is an undercount
900 * and I don't want to release 1.4.1 in a state that will allow
901 * smb_vc_t objects to be deallocated while still in the
902 * smb_allVCsp list. The list is supposed to keep a reference
903 * to the smb_vc_t. Put it back.
907 #ifdef DEBUG_SMB_REFCOUNT
908 afsi_log("%s:%d smb_ReleaseVCInternal vcp 0x%p is in smb_allVCsp ref %d", file, line, vcp, vcp->refCount);
909 osi_Log4(smb_logp,"%s:%d smb_ReleaseVCInternal vcp 0x%p is in smb_allVCsp ref %d", file, line, vcp, vcp->refCount);
913 } else if (vcp->flags & SMB_VCFLAG_ALREADYDEAD) {
914 /* The reference count is non-zero but the VC is dead.
915 * This implies that some FIDs, TIDs, etc on the VC have yet to
916 * be cleaned up. If we were not called by smb_CleanupDeadVC(),
917 * add a reference that will be dropped by
918 * smb_CleanupDeadVC() and try to cleanup the VC again.
919 * Eventually the refCount will drop to zero when all of the
920 * active threads working with the VC end their task.
922 if (!(vcp->flags & SMB_VCFLAG_CLEAN_IN_PROGRESS)) {
923 vcp->refCount++; /* put the refCount back */
924 lock_ReleaseWrite(&smb_rctLock);
925 smb_CleanupDeadVC(vcp);
926 #ifdef DEBUG_SMB_REFCOUNT
927 afsi_log("%s:%d smb_ReleaseVCInternal vcp 0x%p after CleanupDeadVC ref %d", file, line, vcp, vcp->refCount);
928 osi_Log4(smb_logp,"%s:%d smb_ReleaseVCInternal vcp 0x%p after CleanupDeadVC ref %d", file, line, vcp, vcp->refCount);
930 lock_ObtainWrite(&smb_rctLock);
933 #ifdef DEBUG_SMB_REFCOUNT
934 afsi_log("%s:%d smb_ReleaseVCInternal vcp 0x%p ref %d", file, line, vcp, vcp->refCount);
935 osi_Log4(smb_logp,"%s:%d smb_ReleaseVCInternal vcp 0x%p ref %d", file, line, vcp, vcp->refCount);
940 #ifdef DEBUG_SMB_REFCOUNT
941 void smb_ReleaseVCNoLockDbg(smb_vc_t *vcp, char * file, long line)
943 void smb_ReleaseVCNoLock(smb_vc_t *vcp)
946 lock_AssertWrite(&smb_rctLock);
947 osi_Log2(smb_logp,"smb_ReleaseVCNoLock vcp %x ref %d",vcp, vcp->refCount);
948 smb_ReleaseVCInternal(vcp);
951 #ifdef DEBUG_SMB_REFCOUNT
952 void smb_ReleaseVCDbg(smb_vc_t *vcp, char * file, long line)
954 void smb_ReleaseVC(smb_vc_t *vcp)
957 lock_ObtainWrite(&smb_rctLock);
958 osi_Log2(smb_logp,"smb_ReleaseVC vcp %x ref %d",vcp, vcp->refCount);
959 smb_ReleaseVCInternal(vcp);
960 lock_ReleaseWrite(&smb_rctLock);
963 #ifdef DEBUG_SMB_REFCOUNT
964 void smb_HoldVCNoLockDbg(smb_vc_t *vcp, char * file, long line)
966 void smb_HoldVCNoLock(smb_vc_t *vcp)
969 lock_AssertWrite(&smb_rctLock);
971 #ifdef DEBUG_SMB_REFCOUNT
972 afsi_log("%s:%d smb_HoldVCNoLock vcp 0x%p ref %d", file, line, vcp, vcp->refCount);
973 osi_Log4(smb_logp,"%s:%d smb_HoldVCNoLock vcp 0x%p ref %d", file, line, vcp, vcp->refCount);
975 osi_Log2(smb_logp,"smb_HoldVCNoLock vcp %x ref %d",vcp, vcp->refCount);
979 #ifdef DEBUG_SMB_REFCOUNT
980 void smb_HoldVCDbg(smb_vc_t *vcp, char * file, long line)
982 void smb_HoldVC(smb_vc_t *vcp)
985 lock_ObtainWrite(&smb_rctLock);
987 #ifdef DEBUG_SMB_REFCOUNT
988 afsi_log("%s:%d smb_HoldVC vcp 0x%p ref %d", file, line, vcp, vcp->refCount);
989 osi_Log4(smb_logp,"%s:%d smb_HoldVC vcp 0x%p ref %d", file, line, vcp, vcp->refCount);
991 osi_Log2(smb_logp,"smb_HoldVC vcp %x ref %d",vcp, vcp->refCount);
993 lock_ReleaseWrite(&smb_rctLock);
996 void smb_CleanupDeadVC(smb_vc_t *vcp)
1001 smb_tid_t *tidpIter;
1002 smb_tid_t *tidpNext;
1004 smb_user_t *uidpIter;
1005 smb_user_t *uidpNext;
1007 afs_uint32 refCount = 0;
1009 lock_ObtainMutex(&vcp->mx);
1010 if (vcp->flags & SMB_VCFLAG_CLEAN_IN_PROGRESS) {
1011 lock_ReleaseMutex(&vcp->mx);
1012 osi_Log1(smb_logp, "Clean of dead vcp 0x%x in progress", vcp);
1015 vcp->flags |= SMB_VCFLAG_CLEAN_IN_PROGRESS;
1016 lock_ReleaseMutex(&vcp->mx);
1017 osi_Log1(smb_logp, "Cleaning up dead vcp 0x%x", vcp);
1019 lock_ObtainWrite(&smb_rctLock);
1020 /* remove VCP from smb_allVCsp */
1021 for (vcpp = &smb_allVCsp; *vcpp; vcpp = &((*vcpp)->nextp)) {
1022 if ((*vcpp)->magic != SMB_VC_MAGIC)
1023 osi_panic("afsd: invalid smb_vc_t detected in smb_allVCsp",
1024 __FILE__, __LINE__);
1027 vcp->nextp = smb_deadVCsp;
1029 /* Hold onto the reference until we are done with this function */
1034 for (fidpIter = vcp->fidsp; fidpIter; fidpIter = fidpNext) {
1035 fidpNext = (smb_fid_t *) osi_QNext(&fidpIter->q);
1037 if (fidpIter->deleteOk)
1040 fid = fidpIter->fid;
1041 osi_Log2(smb_logp, " Cleanup FID %d (fidp=0x%x)", fid, fidpIter);
1043 smb_HoldFIDNoLock(fidpIter);
1044 lock_ReleaseWrite(&smb_rctLock);
1046 smb_CloseFID(vcp, fidpIter, NULL, 0);
1047 smb_ReleaseFID(fidpIter);
1049 lock_ObtainWrite(&smb_rctLock);
1050 fidpNext = vcp->fidsp;
1053 for (tidpIter = vcp->tidsp; tidpIter; tidpIter = tidpNext) {
1054 tidpNext = tidpIter->nextp;
1055 if (tidpIter->deleteOk)
1057 tidpIter->deleteOk = 1;
1059 tid = tidpIter->tid;
1060 osi_Log2(smb_logp, " Cleanup TID %d (tidp=0x%x)", tid, tidpIter);
1062 smb_HoldTIDNoLock(tidpIter);
1063 smb_ReleaseTID(tidpIter, TRUE);
1064 tidpNext = vcp->tidsp;
1067 for (uidpIter = vcp->usersp; uidpIter; uidpIter = uidpNext) {
1068 uidpNext = uidpIter->nextp;
1069 if (uidpIter->deleteOk)
1071 uidpIter->deleteOk = 1;
1073 /* do not add an additional reference count for the smb_user_t
1074 * as the smb_vc_t already is holding a reference */
1075 lock_ReleaseWrite(&smb_rctLock);
1077 smb_ReleaseUID(uidpIter);
1079 lock_ObtainWrite(&smb_rctLock);
1080 uidpNext = vcp->usersp;
1083 /* The vcp is now on the deadVCsp list. We intentionally drop the
1084 * reference so that the refcount can reach 0 and we can delete it
1086 * If the refCount == 1 going into the ReleaseVCNoLock call
1087 * the object will be freed and it won't be safe to clear
1090 refCount = vcp->refCount;
1091 smb_ReleaseVCNoLock(vcp);
1093 lock_ObtainMutex(&vcp->mx);
1094 vcp->flags &= ~SMB_VCFLAG_CLEAN_IN_PROGRESS;
1095 lock_ReleaseMutex(&vcp->mx);
1098 lock_ReleaseWrite(&smb_rctLock);
1099 osi_Log1(smb_logp, "Finished cleaning up dead vcp 0x%x", vcp);
1102 #ifdef DEBUG_SMB_REFCOUNT
1103 smb_tid_t *smb_FindTIDDbg(smb_vc_t *vcp, unsigned short tid, int flags, char * file, long line)
1105 smb_tid_t *smb_FindTID(smb_vc_t *vcp, unsigned short tid, int flags)
1110 lock_ObtainWrite(&smb_rctLock);
1112 for (tidp = vcp->tidsp; tidp; tidp = tidp->nextp) {
1113 if (tidp->refCount == 0 && tidp->deleteOk) {
1115 smb_ReleaseTID(tidp, TRUE);
1119 if (tid == tidp->tid) {
1124 if (!tidp && (flags & SMB_FLAG_CREATE)) {
1125 tidp = malloc(sizeof(*tidp));
1126 memset(tidp, 0, sizeof(*tidp));
1127 tidp->nextp = vcp->tidsp;
1130 smb_HoldVCNoLock(vcp);
1132 lock_InitializeMutex(&tidp->mx, "tid_t mutex", LOCK_HIERARCHY_SMB_TID);
1135 #ifdef DEBUG_SMB_REFCOUNT
1137 afsi_log("%s:%d smb_FindTID tidp 0x%p ref %d", file, line, tidp, tidp->refCount);
1138 osi_Log4(smb_logp,"%s:%d smb_FindTID tidp 0x%p ref %d", file, line, tidp, tidp->refCount);
1141 lock_ReleaseWrite(&smb_rctLock);
1145 #ifdef DEBUG_SMB_REFCOUNT
1146 void smb_HoldTIDNoLockDbg(smb_tid_t *tidp, char * file, long line)
1148 void smb_HoldTIDNoLock(smb_tid_t *tidp)
1151 lock_AssertWrite(&smb_rctLock);
1153 #ifdef DEBUG_SMB_REFCOUNT
1154 afsi_log("%s:%d smb_HoldTIDNoLock tidp 0x%p ref %d", file, line, tidp, tidp->refCount);
1155 osi_Log4(smb_logp,"%s:%d smb_HoldTIDNoLock tidp 0x%p ref %d", file, line, tidp, tidp->refCount);
1159 #ifdef DEBUG_SMB_REFCOUNT
1160 void smb_ReleaseTIDDbg(smb_tid_t *tidp, afs_uint32 locked, char *file, long line)
1162 void smb_ReleaseTID(smb_tid_t *tidp, afs_uint32 locked)
1167 cm_user_t *userp = NULL;
1168 smb_vc_t *vcp = NULL;
1171 lock_ObtainWrite(&smb_rctLock);
1173 lock_AssertWrite(&smb_rctLock);
1175 osi_assertx(tidp->refCount-- > 0, "smb_tid_t refCount 0");
1176 #ifdef DEBUG_SMB_REFCOUNT
1177 afsi_log("%s:%d smb_ReleaseTID tidp 0x%p ref %d deleteOk %d", file, line, tidp, tidp->refCount, tidp->deleteOk);
1178 osi_Log5(smb_logp,"%s:%d smb_ReleaseTID tidp 0x%p ref %d deleteOk %d", file, line, tidp, tidp->refCount, tidp->deleteOk);
1180 if (tidp->refCount == 0) {
1181 if (tidp->deleteOk) {
1182 ltpp = &tidp->vcp->tidsp;
1183 for(tp = *ltpp; tp; ltpp = &tp->nextp, tp = *ltpp) {
1187 osi_assertx(tp != NULL, "null smb_tid_t");
1189 lock_FinalizeMutex(&tidp->mx);
1190 userp = tidp->userp; /* remember to drop ref later */
1198 smb_ReleaseVCNoLock(vcp);
1200 lock_ReleaseWrite(&smb_rctLock);
1202 cm_ReleaseUser(userp);
1205 smb_user_t *smb_FindUID(smb_vc_t *vcp, unsigned short uid, int flags)
1207 smb_user_t *uidp = NULL;
1209 lock_ObtainWrite(&smb_rctLock);
1210 for(uidp = vcp->usersp; uidp; uidp = uidp->nextp) {
1211 if (uid == uidp->userID) {
1213 osi_Log3(smb_logp, "smb_FindUID vcp[0x%p] found-uid[%d] name[%S]",
1215 ((uidp->unp)? osi_LogSaveClientString(smb_logp, uidp->unp->name):_C("")));
1219 if (!uidp && (flags & SMB_FLAG_CREATE)) {
1220 uidp = malloc(sizeof(*uidp));
1221 memset(uidp, 0, sizeof(*uidp));
1222 uidp->nextp = vcp->usersp;
1223 uidp->refCount = 2; /* one for the vcp and one for the caller */
1225 smb_HoldVCNoLock(vcp);
1227 lock_InitializeMutex(&uidp->mx, "user_t mutex", LOCK_HIERARCHY_SMB_UID);
1229 osi_Log3(smb_logp, "smb_FindUID vcp[0x%p] new-uid[%d] name[%S]",
1231 ((uidp->unp)?osi_LogSaveClientString(smb_logp,uidp->unp->name):_C("")));
1233 lock_ReleaseWrite(&smb_rctLock);
1237 afs_int32 smb_userIsLocalSystem(smb_user_t *uidp)
1240 DWORD dwSize1 = 0, dwSize2 = 0;
1241 wchar_t *pszRefDomain = NULL;
1242 SID_NAME_USE snu = SidTypeGroup;
1243 clientchar_t * secSidString = NULL;
1245 afs_int32 isSystem = 0;
1247 if (uidp->unp->flags & SMB_USERNAMEFLAG_SID) {
1248 isSystem = !cm_ClientStrCmp(NTSID_LOCAL_SYSTEM, uidp->unp->name);
1253 * The input name is not a SID for the user. See if we can
1254 * obtain the SID for the specified name. If we can, use
1255 * that instead of the name provided for the comparison.
1258 LookupAccountNameW( NULL /* System Name to begin Search */,
1263 gle = GetLastError();
1264 if (gle == ERROR_INSUFFICIENT_BUFFER) {
1265 pSid = malloc(dwSize1);
1267 * Although dwSize2 is supposed to include the terminating
1268 * NUL character, on Win7 it does not.
1270 pszRefDomain = malloc((dwSize2 + 1) * sizeof(wchar_t));
1273 if ( pSid && pszRefDomain ) {
1274 memset(pSid, 0, dwSize1);
1276 if (LookupAccountNameW( NULL /* System Name to begin Search */,
1279 pszRefDomain, &dwSize2,
1281 ConvertSidToStringSidW(pSid, &secSidString);
1285 isSystem = !cm_ClientStrCmp(NTSID_LOCAL_SYSTEM, secSidString);
1286 LocalFree(secSidString);
1297 smb_username_t *smb_FindUserByName(clientchar_t *usern, clientchar_t *machine,
1300 smb_username_t *unp= NULL;
1302 lock_ObtainWrite(&smb_rctLock);
1303 for(unp = usernamesp; unp; unp = unp->nextp) {
1304 if (cm_ClientStrCmpI(unp->name, usern) == 0 &&
1305 cm_ClientStrCmpI(unp->machine, machine) == 0) {
1310 if (!unp && (flags & SMB_FLAG_CREATE)) {
1311 unp = malloc(sizeof(*unp));
1312 memset(unp, 0, sizeof(*unp));
1314 unp->nextp = usernamesp;
1315 unp->name = cm_ClientStrDup(usern);
1316 unp->machine = cm_ClientStrDup(machine);
1318 lock_InitializeMutex(&unp->mx, "username_t mutex", LOCK_HIERARCHY_SMB_USERNAME);
1319 if (flags & SMB_FLAG_AFSLOGON)
1320 unp->flags = SMB_USERNAMEFLAG_AFSLOGON;
1323 lock_ReleaseWrite(&smb_rctLock);
1327 smb_user_t *smb_FindUserByNameThisSession(smb_vc_t *vcp, clientchar_t *usern)
1329 smb_user_t *uidp= NULL;
1331 lock_ObtainWrite(&smb_rctLock);
1332 for(uidp = vcp->usersp; uidp; uidp = uidp->nextp) {
1335 if (cm_stricmp_utf16(uidp->unp->name, usern) == 0) {
1337 osi_Log3(smb_logp,"smb_FindUserByNameThisSession vcp[0x%p] uid[%d] match-name[%S]",
1338 vcp,uidp->userID,osi_LogSaveClientString(smb_logp,usern));
1343 lock_ReleaseWrite(&smb_rctLock);
1347 void smb_ReleaseUsername(smb_username_t *unp)
1350 smb_username_t **lupp;
1351 cm_user_t *userp = NULL;
1352 time_t now = osi_Time();
1354 lock_ObtainWrite(&smb_rctLock);
1355 osi_assertx(unp->refCount-- > 0, "smb_username_t refCount 0");
1356 if (unp->refCount == 0 && !(unp->flags & SMB_USERNAMEFLAG_AFSLOGON) &&
1357 (unp->flags & SMB_USERNAMEFLAG_LOGOFF)) {
1359 for(up = *lupp; up; lupp = &up->nextp, up = *lupp) {
1363 osi_assertx(up != NULL, "null smb_username_t");
1365 up->nextp = NULL; /* do not remove this */
1366 lock_FinalizeMutex(&unp->mx);
1372 lock_ReleaseWrite(&smb_rctLock);
1374 cm_ReleaseUser(userp);
1377 void smb_HoldUIDNoLock(smb_user_t *uidp)
1379 lock_AssertWrite(&smb_rctLock);
1383 void smb_ReleaseUID(smb_user_t *uidp)
1387 smb_username_t *unp = NULL;
1389 lock_ObtainWrite(&smb_rctLock);
1390 osi_assertx(uidp->refCount-- > 0, "smb_user_t refCount 0");
1391 if (uidp->refCount == 0) {
1392 lupp = &uidp->vcp->usersp;
1393 for(up = *lupp; up; lupp = &up->nextp, up = *lupp) {
1397 osi_assertx(up != NULL, "null smb_user_t");
1399 lock_FinalizeMutex(&uidp->mx);
1401 smb_ReleaseVCNoLock(uidp->vcp);
1405 lock_ReleaseWrite(&smb_rctLock);
1409 cm_ReleaseUserVCRef(unp->userp);
1410 smb_ReleaseUsername(unp);
1414 cm_user_t *smb_GetUserFromUID(smb_user_t *uidp)
1416 cm_user_t *up = NULL;
1421 lock_ObtainMutex(&uidp->mx);
1423 up = uidp->unp->userp;
1426 lock_ReleaseMutex(&uidp->mx);
1432 /* retrieve a held reference to a user structure corresponding to an incoming
1434 * corresponding release function is cm_ReleaseUser.
1436 cm_user_t *smb_GetUserFromVCP(smb_vc_t *vcp, smb_packet_t *inp)
1439 cm_user_t *up = NULL;
1442 smbp = (smb_t *) inp;
1443 uidp = smb_FindUID(vcp, smbp->uid, 0);
1447 up = smb_GetUserFromUID(uidp);
1449 smb_ReleaseUID(uidp);
1454 * Return a pointer to a pathname extracted from a TID structure. The
1455 * TID structure is not held; assume it won't go away.
1457 long smb_LookupTIDPath(smb_vc_t *vcp, unsigned short tid, clientchar_t ** treepath)
1462 tidp = smb_FindTID(vcp, tid, 0);
1466 if (tidp->flags & SMB_TIDFLAG_IPC) {
1467 code = CM_ERROR_TIDIPC;
1468 /* tidp->pathname would be NULL, but that's fine */
1470 *treepath = tidp->pathname;
1471 smb_ReleaseTID(tidp, FALSE);
1476 /* check to see if we have a chained fid, that is, a fid that comes from an
1477 * OpenAndX message that ran earlier in this packet. In this case, the fid
1478 * field in a read, for example, request, isn't set, since the value is
1479 * supposed to be inherited from the openAndX call.
1481 int smb_ChainFID(int fid, smb_packet_t *inp)
1483 if (inp->fid == 0 || inp->inCount == 0)
1489 /* are we a priv'd user? What does this mean on NT? */
1490 int smb_SUser(cm_user_t *userp)
1495 /* find a file ID. If we pass in 0 we select an unused File ID.
1496 * If the SMB_FLAG_CREATE flag is set, we allocate a new
1497 * smb_fid_t data structure if desired File ID cannot be found.
1499 #ifdef DEBUG_SMB_REFCOUNT
1500 smb_fid_t *smb_FindFIDDbg(smb_vc_t *vcp, unsigned short fid, int flags, char *file, long line)
1502 smb_fid_t *smb_FindFID(smb_vc_t *vcp, unsigned short fid, int flags)
1509 if (!(flags & SMB_FLAG_CREATE))
1514 lock_ObtainWrite(&smb_rctLock);
1516 fid = vcp->fidCounter;
1519 for(fidp = vcp->fidsp; fidp; fidp = (smb_fid_t *) osi_QNext(&fidp->q)) {
1520 if (fidp->refCount == 0 && fidp->deleteOk) {
1522 lock_ReleaseWrite(&smb_rctLock);
1523 smb_ReleaseFID(fidp);
1524 lock_ObtainWrite(&smb_rctLock);
1526 * We dropped the smb_rctLock so the fid value we are using
1527 * may now be used by another thread. Start over with the
1528 * current vcp->fidCounter.
1531 fid = vcp->fidCounter;
1534 if (fid == fidp->fid) {
1536 osi_Log1(smb_logp, "smb_FindFID New Fid Requested. fid %d found -- retrying ...", fid);
1538 if (fid == 0xFFFF) {
1540 "New FID number wraps on vcp 0x%x", vcp);
1550 if (!fidp && (flags & SMB_FLAG_CREATE)) {
1551 char eventName[MAX_PATH];
1555 osi_Log1(smb_logp, "smb_FindFID New Fid Not Requested, Fid %d Not Found and CREATE flag set.", fid);
1557 osi_Log1(smb_logp, "smb_FindFID New Fid Requested. Creating fid %d", fid);
1559 sprintf(eventName,"fid_t event vcp=%d fid=%d", vcp->vcID, fid);
1560 event = thrd_CreateEvent(NULL, FALSE, TRUE, eventName);
1561 if ( GetLastError() == ERROR_ALREADY_EXISTS ) {
1562 osi_Log1(smb_logp, "Event Object Already Exists: %s", osi_LogSaveString(smb_logp, eventName));
1563 thrd_CloseHandle(event);
1565 if (fid == 0xFFFF) {
1566 osi_Log1(smb_logp, "New FID wraps around for vcp 0x%x", vcp);
1572 fidp = malloc(sizeof(*fidp));
1573 memset(fidp, 0, sizeof(*fidp));
1574 osi_QAdd((osi_queue_t **)&vcp->fidsp, &fidp->q);
1577 smb_HoldVCNoLock(vcp);
1578 lock_InitializeMutex(&fidp->mx, "fid_t mutex", LOCK_HIERARCHY_SMB_FID);
1580 fidp->curr_chunk = fidp->prev_chunk = -2;
1581 fidp->raw_write_event = event;
1583 vcp->fidCounter = fid+1;
1584 if (vcp->fidCounter == 0xFFFF) {
1585 osi_Log1(smb_logp, "fidCounter wrapped around for vcp 0x%x",
1587 vcp->fidCounter = 1;
1592 #ifdef DEBUG_SMB_REFCOUNT
1594 afsi_log("%s:%d smb_FindFID fidp 0x%p ref %d", file, line, fidp, fidp->refCount);
1595 osi_Log4(smb_logp,"%s:%d smb_FindFID fidp 0x%p ref %d", file, line, fidp, fidp->refCount);
1598 lock_ReleaseWrite(&smb_rctLock);
1603 /* Must not be called with scp->rw held because smb_ReleaseFID might be called */
1604 #ifdef DEBUG_SMB_REFCOUNT
1605 smb_fid_t *smb_FindFIDByScacheDbg(smb_vc_t *vcp, cm_scache_t * scp, char *file, long line)
1607 smb_fid_t *smb_FindFIDByScache(smb_vc_t *vcp, cm_scache_t * scp)
1610 smb_fid_t *fidp = NULL, *nextp = NULL;
1616 * If the fidp->scp changes out from under us then
1617 * we must not grab a refCount. It means the *fidp
1618 * was processed by smb_CloseFID() and the *fidp is
1619 * no longer valid for use.
1621 lock_ObtainWrite(&smb_rctLock);
1622 for(fidp = vcp->fidsp, (fidp ? fidp->refCount++ : 0); fidp; fidp = nextp, nextp = NULL) {
1623 nextp = (smb_fid_t *) osi_QNext(&fidp->q);
1627 if (scp == fidp->scp) {
1628 lock_ReleaseWrite(&smb_rctLock);
1629 lock_ObtainMutex(&fidp->mx);
1630 lock_ObtainWrite(&smb_rctLock);
1631 if (scp == fidp->scp) {
1632 lock_ReleaseMutex(&fidp->mx);
1635 lock_ReleaseMutex(&fidp->mx);
1638 if (fidp->refCount > 1) {
1641 lock_ReleaseWrite(&smb_rctLock);
1642 smb_ReleaseFID(fidp);
1643 lock_ObtainWrite(&smb_rctLock);
1648 if (nextp->refCount > 1) {
1651 lock_ReleaseWrite(&smb_rctLock);
1652 smb_ReleaseFID(nextp);
1653 lock_ObtainWrite(&smb_rctLock);
1657 #ifdef DEBUG_SMB_REFCOUNT
1659 afsi_log("%s:%d smb_FindFIDByScache fidp 0x%p ref %d", file, line, fidp, fidp->refCount);
1660 osi_Log4(smb_logp,"%s:%d smb_FindFIDByScache fidp 0x%p ref %d", file, line, fidp, fidp->refCount);
1663 lock_ReleaseWrite(&smb_rctLock);
1667 #ifdef DEBUG_SMB_REFCOUNT
1668 void smb_HoldFIDNoLockDbg(smb_fid_t *fidp, char *file, long line)
1670 void smb_HoldFIDNoLock(smb_fid_t *fidp)
1673 lock_AssertWrite(&smb_rctLock);
1675 #ifdef DEBUG_SMB_REFCOUNT
1676 afsi_log("%s:%d smb_HoldFIDNoLock fidp 0x%p ref %d", file, line, fidp, fidp->refCount);
1677 osi_Log4(smb_logp,"%s:%d smb_HoldFIDNoLock fidp 0x%p ref %d", file, line, fidp, fidp->refCount);
1682 /* smb_ReleaseFID cannot be called while a cm_scache_t rwlock is held */
1683 /* the smb_fid_t->mx and smb_rctLock must not be held */
1684 #ifdef DEBUG_SMB_REFCOUNT
1685 void smb_ReleaseFIDDbg(smb_fid_t *fidp, char *file, long line)
1687 void smb_ReleaseFID(smb_fid_t *fidp)
1690 cm_scache_t *scp = NULL;
1691 cm_user_t *userp = NULL;
1692 smb_vc_t *vcp = NULL;
1693 smb_ioctl_t *ioctlp;
1695 lock_ObtainMutex(&fidp->mx);
1696 lock_ObtainWrite(&smb_rctLock);
1697 osi_assertx(fidp->refCount-- > 0, "smb_fid_t refCount 0");
1698 #ifdef DEBUG_SMB_REFCOUNT
1699 afsi_log("%s:%d smb_ReleaseFID fidp 0x%p ref %d deleteOk %d", file, line, fidp, fidp->refCount, fidp->deleteOk);
1700 osi_Log5(smb_logp,"%s:%d smb_ReleaseFID fidp 0x%p ref %d deleteOk %d", file, line, fidp, fidp->refCount, fidp->deleteOk);
1702 if (fidp->refCount == 0) {
1703 if (fidp->deleteOk) {
1706 scp = fidp->scp; /* release after lock is released */
1708 lock_ObtainWrite(&scp->rw);
1709 scp->flags &= ~CM_SCACHEFLAG_SMB_FID;
1710 lock_ReleaseWrite(&scp->rw);
1711 osi_Log2(smb_logp,"smb_ReleaseFID fidp 0x%p scp 0x%p", fidp, scp);
1714 userp = fidp->userp;
1718 osi_QRemove((osi_queue_t **) &vcp->fidsp, &fidp->q);
1719 thrd_CloseHandle(fidp->raw_write_event);
1721 /* and see if there is ioctl stuff to free */
1722 ioctlp = fidp->ioctlp;
1725 cm_FreeSpace(ioctlp->prefix);
1726 if (ioctlp->ioctl.inAllocp)
1727 free(ioctlp->ioctl.inAllocp);
1728 if (ioctlp->ioctl.outAllocp)
1729 free(ioctlp->ioctl.outAllocp);
1733 smb_CleanupRPCFid(fidp);
1735 lock_ReleaseMutex(&fidp->mx);
1736 lock_FinalizeMutex(&fidp->mx);
1741 smb_ReleaseVCNoLock(vcp);
1745 lock_ReleaseMutex(&fidp->mx);
1747 lock_ReleaseWrite(&smb_rctLock);
1749 /* now release the scache structure */
1751 cm_ReleaseSCache(scp);
1754 cm_ReleaseUser(userp);
1758 * Case-insensitive search for one string in another;
1759 * used to find variable names in submount pathnames.
1761 static clientchar_t *smb_stristr(clientchar_t *str1, clientchar_t *str2)
1763 clientchar_t *cursor;
1765 for (cursor = str1; *cursor; cursor++)
1766 if (cm_ClientStrCmpI(cursor, str2) == 0)
1773 * Substitute a variable value for its name in a submount pathname. Variable
1774 * name has been identified by smb_stristr() and is in substr. Variable name
1775 * length (plus one) is in substr_size. Variable value is in newstr.
1777 static void smb_subst(clientchar_t *str1, int cchstr1, clientchar_t *substr,
1778 unsigned int substr_size, clientchar_t *newstr)
1780 clientchar_t temp[1024];
1782 cm_ClientStrCpy(temp, lengthof(temp), substr + substr_size - 1);
1783 cm_ClientStrCpy(substr, cchstr1 - (substr - str1), newstr);
1784 cm_ClientStrCat(str1, cchstr1, temp);
1787 clientchar_t VNUserName[] = _C("%USERNAME%");
1788 clientchar_t VNLCUserName[] = _C("%LCUSERNAME%");
1789 clientchar_t VNComputerName[] = _C("%COMPUTERNAME%");
1790 clientchar_t VNLCComputerName[] = _C("%LCCOMPUTERNAME%");
1792 typedef struct smb_findShare_rock {
1793 clientchar_t * shareName;
1794 clientchar_t * match;
1796 } smb_findShare_rock_t;
1798 #define SMB_FINDSHARE_EXACT_MATCH 1
1799 #define SMB_FINDSHARE_PARTIAL_MATCH 2
1801 long smb_FindShareProc(cm_scache_t *scp, cm_dirEntry_t *dep, void *rockp,
1805 smb_findShare_rock_t * vrock = (smb_findShare_rock_t *) rockp;
1806 normchar_t normName[MAX_PATH];
1808 if (cm_FsStringToNormString(dep->name, -1, normName, sizeof(normName)/sizeof(normName[0])) == 0) {
1809 osi_Log1(smb_logp, "Skipping entry [%s]. Can't normalize FS string",
1810 osi_LogSaveString(smb_logp, dep->name));
1814 if (!cm_ClientStrCmpNI(normName, vrock->shareName, 12)) {
1815 if(!cm_ClientStrCmpI(normName, vrock->shareName))
1816 matchType = SMB_FINDSHARE_EXACT_MATCH;
1818 matchType = SMB_FINDSHARE_PARTIAL_MATCH;
1821 vrock->match = cm_FsStringToClientStringAlloc(dep->name, -1, NULL);
1822 vrock->matchType = matchType;
1824 if(matchType == SMB_FINDSHARE_EXACT_MATCH)
1825 return CM_ERROR_STOPNOW;
1831 /* find a shareName in the table of submounts */
1832 int smb_FindShare(smb_vc_t *vcp, smb_user_t *uidp,
1833 clientchar_t *shareName,
1834 clientchar_t **pathNamep)
1838 clientchar_t pathName[1024];
1841 clientchar_t *p, *q;
1842 fschar_t *cellname = NULL;
1845 DWORD allSubmount = 1;
1847 /* if allSubmounts == 0, only return the //mountRoot/all share
1848 * if in fact it has been been created in the subMounts table.
1849 * This is to allow sites that want to restrict access to the
1852 code = RegOpenKeyEx(HKEY_LOCAL_MACHINE, AFSREG_CLT_SVC_PARAM_SUBKEY,
1853 0, KEY_QUERY_VALUE, &parmKey);
1854 if (code == ERROR_SUCCESS) {
1855 cblen = sizeof(allSubmount);
1856 code = RegQueryValueEx(parmKey, "AllSubmount", NULL, NULL,
1857 (BYTE *) &allSubmount, &cblen);
1858 if (code != ERROR_SUCCESS) {
1861 RegCloseKey (parmKey);
1864 if (allSubmount && cm_ClientStrCmpI(shareName, _C("all")) == 0) {
1869 /* In case, the all share is disabled we need to still be able
1870 * to handle ioctl requests
1872 if (cm_ClientStrCmpI(shareName, _C("ioctl$")) == 0) {
1873 *pathNamep = cm_ClientStrDup(_C("/.__ioctl__"));
1877 if (MSRPC_IsWellKnownService(shareName) ||
1878 cm_ClientStrCmpIA(shareName, _C(SMB_IOCTL_FILENAME_NOSLASH)) == 0 ||
1879 cm_ClientStrCmpIA(shareName, _C("DESKTOP.INI")) == 0
1885 /* Check for volume references
1887 * They look like <cell>{%,#}<volume>
1889 if (cm_ClientStrChr(shareName, '%') != NULL ||
1890 cm_ClientStrChr(shareName, '#') != NULL) {
1891 clientchar_t pathstr[CELL_MAXNAMELEN + VL_MAXNAMELEN + 1 + CM_PREFIX_VOL_CCH];
1892 /* make room for '/@vol:' + mountchar + NULL terminator*/
1894 osi_Log1(smb_logp, "smb_FindShare found volume reference [%S]",
1895 osi_LogSaveClientString(smb_logp, shareName));
1897 cm_ClientStrPrintfN(pathstr, lengthof(pathstr),
1898 _C("/") _C(CM_PREFIX_VOL) _C("%s"), shareName);
1899 cchlen = (DWORD)(cm_ClientStrLen(pathstr) + 1);
1901 *pathNamep = malloc(cchlen * sizeof(clientchar_t));
1903 cm_ClientStrCpy(*pathNamep, cchlen, pathstr);
1904 cm_ClientStrLwr(*pathNamep);
1905 osi_Log1(smb_logp, " returning pathname [%S]",
1906 osi_LogSaveClientString(smb_logp, *pathNamep));
1914 code = RegOpenKeyEx(HKEY_LOCAL_MACHINE, AFSREG_CLT_OPENAFS_SUBKEY "\\Submounts",
1915 0, KEY_QUERY_VALUE, &parmKey);
1916 if (code == ERROR_SUCCESS) {
1917 cblen = sizeof(pathName);
1918 code = RegQueryValueExW(parmKey, shareName, NULL, NULL,
1919 (BYTE *) pathName, &cblen);
1920 if (code != ERROR_SUCCESS)
1922 RegCloseKey (parmKey);
1926 cchlen = cblen / sizeof(clientchar_t);
1927 if (cchlen != 0 && cchlen != lengthof(pathName) - 1) {
1928 /* We can accept either unix or PC style AFS pathnames. Convert
1929 * Unix-style to PC style here for internal use.
1932 cchlen = lengthof(pathName);
1934 /* within this code block, we maintain, cchlen = writable
1935 buffer length of p */
1937 if (cm_ClientStrCmpN(p, cm_mountRootC, cm_mountRootCLen) == 0) {
1938 p += cm_mountRootCLen; /* skip mount path */
1939 cchlen -= (DWORD)(p - pathName);
1944 if (*q == _C('/')) *q = _C('\\'); /* change to \ */
1950 clientchar_t temp[1024];
1952 if (var = smb_stristr(p, VNUserName)) {
1953 if (uidp && uidp->unp)
1954 smb_subst(p, cchlen, var, lengthof(VNUserName),uidp->unp->name);
1956 smb_subst(p, cchlen, var, lengthof(VNUserName), _C(" "));
1958 else if (var = smb_stristr(p, VNLCUserName))
1960 if (uidp && uidp->unp)
1961 cm_ClientStrCpy(temp, lengthof(temp), uidp->unp->name);
1963 cm_ClientStrCpy(temp, lengthof(temp), _C(" "));
1964 cm_ClientStrLwr(temp);
1965 smb_subst(p, cchlen, var, lengthof(VNLCUserName), temp);
1967 else if (var = smb_stristr(p, VNComputerName))
1969 sizeTemp = lengthof(temp);
1970 GetComputerNameW(temp, &sizeTemp);
1971 smb_subst(p, cchlen, var, lengthof(VNComputerName), temp);
1973 else if (var = smb_stristr(p, VNLCComputerName))
1975 sizeTemp = lengthof(temp);
1976 GetComputerName((LPTSTR)temp, &sizeTemp);
1977 cm_ClientStrLwr(temp);
1978 smb_subst(p, cchlen, var, lengthof(VNLCComputerName), temp);
1983 *pathNamep = cm_ClientStrDup(p);
1988 /* First lookup shareName in root.afs */
1990 smb_findShare_rock_t vrock;
1992 fschar_t ftemp[1024];
1993 clientchar_t * p = shareName;
1998 /* attempt to locate a partial match in root.afs. This is because
1999 when using the ANSI RAP calls, the share name is limited to 13 chars
2000 and hence is truncated. Of course we prefer exact matches. */
2002 thyper.HighPart = 0;
2005 vrock.shareName = cm_ClientStringToNormStringAlloc(shareName, -1, NULL);
2006 if (vrock.shareName == NULL)
2009 vrock.matchType = 0;
2011 userp = (uidp? (uidp->unp ? uidp->unp->userp : cm_rootUserp) : cm_rootUserp);
2012 rscp = cm_RootSCachep(userp, &req);
2013 cm_HoldSCache(rscp);
2014 code = cm_ApplyDir(rscp, smb_FindShareProc, &vrock, &thyper,
2016 cm_ReleaseSCache(rscp);
2018 free(vrock.shareName);
2019 vrock.shareName = NULL;
2021 if (vrock.matchType) {
2022 cm_ClientStrPrintfN(pathName, lengthof(pathName), _C("/%s/"), vrock.match);
2023 *pathNamep = cm_ClientStrDup(cm_ClientStrLwr(pathName));
2028 /* if we get here, there was no match for the share in root.afs */
2029 /* so try to create \\<netbiosName>\<cellname> */
2034 /* Get the full name for this cell */
2035 cellname = cm_ClientStringToFsStringAlloc(p, -1, NULL);
2036 code = cm_SearchCellRegistry(1, cellname, ftemp, 0, 0, 0);
2037 if (code && code != CM_ERROR_FORCE_DNS_LOOKUP)
2038 code = cm_SearchCellFile(cellname, ftemp, 0, 0);
2039 if (code && cm_dnsEnabled) {
2041 code = cm_SearchCellByDNS(cellname, ftemp, &ttl, 0, 0);
2046 /* construct the path */
2048 clientchar_t temp[1024];
2050 if (cm_FsStringToClientString(ftemp, -1, temp, 1024) != 0) {
2051 cm_ClientStrPrintfN(pathName, (int)lengthof(pathName),
2052 rw ? _C("/.%S/") : _C("/%S/"), temp);
2053 *pathNamep = cm_ClientStrDup(cm_ClientStrLwr(pathName));
2063 /* Client-side offline caching policy types */
2064 #define CSC_POLICY_MANUAL 0
2065 #define CSC_POLICY_DOCUMENTS 1
2066 #define CSC_POLICY_PROGRAMS 2
2067 #define CSC_POLICY_DISABLE 3
2069 int smb_FindShareCSCPolicy(clientchar_t *shareName)
2072 clientchar_t policy[1024];
2075 int retval = CSC_POLICY_MANUAL;
2077 if (RegCreateKeyEx( HKEY_LOCAL_MACHINE,
2078 AFSREG_CLT_OPENAFS_SUBKEY "\\CSCPolicy",
2081 REG_OPTION_NON_VOLATILE,
2085 NULL ) != ERROR_SUCCESS)
2086 retval = cm_ClientStrCmpIA(_C("all"),shareName) ? CSC_POLICY_MANUAL : CSC_POLICY_DISABLE;
2088 len = sizeof(policy);
2089 if ( RegQueryValueExW( hkCSCPolicy, shareName, 0, &dwType, (LPBYTE) policy, &len ) ||
2091 retval = cm_ClientStrCmpIA(_C("all"),shareName) ? CSC_POLICY_MANUAL : CSC_POLICY_DISABLE;
2093 else if (cm_ClientStrCmpIA(policy, _C("manual")) == 0)
2095 retval = CSC_POLICY_MANUAL;
2097 else if (cm_ClientStrCmpIA(policy, _C("documents")) == 0)
2099 retval = CSC_POLICY_DOCUMENTS;
2101 else if (cm_ClientStrCmpIA(policy, _C("programs")) == 0)
2103 retval = CSC_POLICY_PROGRAMS;
2105 else if (cm_ClientStrCmpIA(policy, _C("disable")) == 0)
2107 retval = CSC_POLICY_DISABLE;
2110 RegCloseKey(hkCSCPolicy);
2114 /* find a dir search structure by cookie value, and return it held.
2115 * Must be called with smb_globalLock held.
2117 smb_dirSearch_t *smb_FindDirSearchNoLock(long cookie)
2119 smb_dirSearch_t *dsp;
2121 for (dsp = smb_firstDirSearchp; dsp; dsp = (smb_dirSearch_t *) osi_QNext(&dsp->q)) {
2122 if (dsp->cookie == cookie) {
2123 if (dsp != smb_firstDirSearchp) {
2124 /* move to head of LRU queue, too, if we're not already there */
2125 if (smb_lastDirSearchp == (smb_dirSearch_t *) &dsp->q)
2126 smb_lastDirSearchp = (smb_dirSearch_t *) osi_QPrev(&dsp->q);
2127 osi_QRemove((osi_queue_t **) &smb_firstDirSearchp, &dsp->q);
2128 osi_QAdd((osi_queue_t **) &smb_firstDirSearchp, &dsp->q);
2129 if (!smb_lastDirSearchp)
2130 smb_lastDirSearchp = (smb_dirSearch_t *) &dsp->q;
2138 osi_Log1(smb_logp,"smb_FindDirSearch(%d) == NULL",cookie);
2139 for (dsp = smb_firstDirSearchp; dsp; dsp = (smb_dirSearch_t *) osi_QNext(&dsp->q)) {
2140 osi_Log1(smb_logp,"... valid id: %d", dsp->cookie);
2146 void smb_DeleteDirSearch(smb_dirSearch_t *dsp)
2148 lock_ObtainMutex(&dsp->mx);
2149 osi_Log3(smb_logp,"smb_DeleteDirSearch cookie %d dsp 0x%p scp 0x%p",
2150 dsp->cookie, dsp, dsp->scp);
2151 dsp->flags |= SMB_DIRSEARCH_DELETE;
2152 if (dsp->scp != NULL) {
2153 lock_ObtainWrite(&dsp->scp->rw);
2154 if (dsp->flags & SMB_DIRSEARCH_BULKST) {
2155 dsp->flags &= ~SMB_DIRSEARCH_BULKST;
2156 dsp->scp->flags &= ~CM_SCACHEFLAG_BULKSTATTING;
2157 dsp->scp->bulkStatProgress = hzero;
2159 lock_ReleaseWrite(&dsp->scp->rw);
2161 lock_ReleaseMutex(&dsp->mx);
2164 /* Must be called with the smb_globalLock held */
2165 void smb_ReleaseDirSearchNoLock(smb_dirSearch_t *dsp)
2167 cm_scache_t *scp = NULL;
2169 osi_assertx(dsp->refCount-- > 0, "cm_scache_t refCount 0");
2170 if (dsp->refCount == 0) {
2171 lock_ObtainMutex(&dsp->mx);
2172 if (dsp->flags & SMB_DIRSEARCH_DELETE) {
2173 if (&dsp->q == (osi_queue_t *) smb_lastDirSearchp)
2174 smb_lastDirSearchp = (smb_dirSearch_t *) osi_QPrev(&smb_lastDirSearchp->q);
2175 osi_QRemove((osi_queue_t **) &smb_firstDirSearchp, &dsp->q);
2176 lock_ReleaseMutex(&dsp->mx);
2177 lock_FinalizeMutex(&dsp->mx);
2179 osi_Log3(smb_logp,"smb_ReleaseDirSearch cookie %d dsp 0x%p scp 0x%p",
2180 dsp->cookie, dsp, scp);
2183 lock_ReleaseMutex(&dsp->mx);
2186 /* do this now to avoid spurious locking hierarchy creation */
2188 cm_ReleaseSCache(scp);
2191 void smb_ReleaseDirSearch(smb_dirSearch_t *dsp)
2193 lock_ObtainWrite(&smb_globalLock);
2194 smb_ReleaseDirSearchNoLock(dsp);
2195 lock_ReleaseWrite(&smb_globalLock);
2198 /* find a dir search structure by cookie value, and return it held */
2199 smb_dirSearch_t *smb_FindDirSearch(long cookie)
2201 smb_dirSearch_t *dsp;
2203 lock_ObtainWrite(&smb_globalLock);
2204 dsp = smb_FindDirSearchNoLock(cookie);
2205 lock_ReleaseWrite(&smb_globalLock);
2209 /* GC some dir search entries, in the address space expected by the specific protocol.
2210 * Must be called with smb_globalLock held; release the lock temporarily.
2212 #define SMB_DIRSEARCH_GCMAX 10 /* how many at once */
2213 void smb_GCDirSearches(int isV3)
2215 smb_dirSearch_t *prevp;
2216 smb_dirSearch_t *dsp;
2217 smb_dirSearch_t *victimsp[SMB_DIRSEARCH_GCMAX];
2221 victimCount = 0; /* how many have we got so far */
2222 for (dsp = smb_lastDirSearchp; dsp; dsp=prevp) {
2223 /* we'll move tp from queue, so
2226 prevp = (smb_dirSearch_t *) osi_QPrev(&dsp->q);
2227 /* if no one is using this guy, and we're either in the new protocol,
2228 * or we're in the old one and this is a small enough ID to be useful
2229 * to the old protocol, GC this guy.
2231 if (dsp->refCount == 0 && (isV3 || dsp->cookie <= 255)) {
2232 /* hold and delete */
2233 lock_ObtainMutex(&dsp->mx);
2234 dsp->flags |= SMB_DIRSEARCH_DELETE;
2235 lock_ReleaseMutex(&dsp->mx);
2236 victimsp[victimCount++] = dsp;
2240 /* don't do more than this */
2241 if (victimCount >= SMB_DIRSEARCH_GCMAX)
2245 /* now release them */
2246 for (i = 0; i < victimCount; i++) {
2247 smb_ReleaseDirSearchNoLock(victimsp[i]);
2251 /* function for allocating a dir search entry. We need these to remember enough context
2252 * since we don't get passed the path from call to call during a directory search.
2254 * Returns a held dir search structure, and bumps the reference count on the vnode,
2255 * since it saves a pointer to the vnode.
2257 smb_dirSearch_t *smb_NewDirSearch(int isV3)
2259 smb_dirSearch_t *dsp;
2265 lock_ObtainWrite(&smb_globalLock);
2268 /* what's the biggest ID allowed in this version of the protocol */
2269 /* TODO: do we really want a non v3 dir search request to wrap
2270 smb_dirSearchCounter? */
2271 maxAllowed = isV3 ? 65535 : 255;
2272 if (smb_dirSearchCounter > maxAllowed)
2273 smb_dirSearchCounter = 1;
2275 start = smb_dirSearchCounter;
2278 /* twice so we have enough tries to find guys we GC after one pass;
2279 * 10 extra is just in case I mis-counted.
2281 if (++counter > 2*maxAllowed+10)
2282 osi_panic("afsd: dir search cookie leak", __FILE__, __LINE__);
2284 if (smb_dirSearchCounter > maxAllowed) {
2285 smb_dirSearchCounter = 1;
2287 if (smb_dirSearchCounter == start) {
2289 smb_GCDirSearches(isV3);
2292 dsp = smb_FindDirSearchNoLock(smb_dirSearchCounter);
2294 /* don't need to watch for refcount zero and deleted, since
2295 * we haven't dropped the global lock.
2298 ++smb_dirSearchCounter;
2302 dsp = malloc(sizeof(*dsp));
2303 memset(dsp, 0, sizeof(*dsp));
2304 dsp->cookie = smb_dirSearchCounter;
2305 ++smb_dirSearchCounter;
2307 lock_InitializeMutex(&dsp->mx, "cm_dirSearch_t", LOCK_HIERARCHY_SMB_DIRSEARCH);
2308 dsp->lastTime = osi_Time();
2309 osi_QAdd((osi_queue_t **) &smb_firstDirSearchp, &dsp->q);
2310 if (!smb_lastDirSearchp)
2311 smb_lastDirSearchp = (smb_dirSearch_t *) &dsp->q;
2313 osi_Log2(smb_logp,"smb_NewDirSearch cookie %d dsp 0x%p",
2317 lock_ReleaseWrite(&smb_globalLock);
2321 static smb_packet_t *smb_GetPacket(void)
2325 lock_ObtainWrite(&smb_globalLock);
2326 tbp = smb_packetFreeListp;
2328 smb_packetFreeListp = tbp->nextp;
2329 lock_ReleaseWrite(&smb_globalLock);
2331 tbp = calloc(sizeof(*tbp),1);
2332 tbp->magic = SMB_PACKETMAGIC;
2335 tbp->resumeCode = 0;
2341 tbp->ncb_length = 0;
2344 tbp->stringsp = NULL;
2346 osi_assertx(tbp->magic == SMB_PACKETMAGIC, "invalid smb_packet_t magic");
2351 smb_packet_t *smb_CopyPacket(smb_packet_t *pkt)
2354 tbp = smb_GetPacket();
2355 memcpy(tbp, pkt, sizeof(smb_packet_t));
2356 tbp->wctp = tbp->data + (unsigned int)(pkt->wctp - pkt->data);
2357 tbp->stringsp = NULL;
2359 smb_HoldVC(tbp->vcp);
2363 static NCB *smb_GetNCB(void)
2368 lock_ObtainWrite(&smb_globalLock);
2369 tbp = smb_ncbFreeListp;
2371 smb_ncbFreeListp = tbp->nextp;
2372 lock_ReleaseWrite(&smb_globalLock);
2374 tbp = calloc(sizeof(*tbp),1);
2375 tbp->magic = SMB_NCBMAGIC;
2378 osi_assertx(tbp->magic == SMB_NCBMAGIC, "invalid smb_packet_t magic");
2380 memset(&tbp->ncb, 0, sizeof(NCB));
2385 static void FreeSMBStrings(smb_packet_t * pkt)
2390 for (s = pkt->stringsp; s; s = ns) {
2394 pkt->stringsp = NULL;
2397 void smb_FreePacket(smb_packet_t *tbp)
2399 smb_vc_t * vcp = NULL;
2400 osi_assertx(tbp->magic == SMB_PACKETMAGIC, "invalid smb_packet_t magic");
2402 lock_ObtainWrite(&smb_globalLock);
2403 tbp->nextp = smb_packetFreeListp;
2404 smb_packetFreeListp = tbp;
2405 tbp->magic = SMB_PACKETMAGIC;
2409 tbp->resumeCode = 0;
2415 tbp->ncb_length = 0;
2417 FreeSMBStrings(tbp);
2418 lock_ReleaseWrite(&smb_globalLock);
2424 static void smb_FreeNCB(NCB *bufferp)
2428 tbp = (smb_ncb_t *) bufferp;
2429 osi_assertx(tbp->magic == SMB_NCBMAGIC, "invalid smb_packet_t magic");
2431 lock_ObtainWrite(&smb_globalLock);
2432 tbp->nextp = smb_ncbFreeListp;
2433 smb_ncbFreeListp = tbp;
2434 lock_ReleaseWrite(&smb_globalLock);
2437 /* get a ptr to the data part of a packet, and its count */
2438 unsigned char *smb_GetSMBData(smb_packet_t *smbp, int *nbytesp)
2442 unsigned char *afterParmsp;
2444 parmBytes = *smbp->wctp << 1;
2445 afterParmsp = smbp->wctp + parmBytes + 1;
2447 dataBytes = afterParmsp[0] + (afterParmsp[1]<<8);
2448 if (nbytesp) *nbytesp = dataBytes;
2450 /* don't forget to skip the data byte count, since it follows
2451 * the parameters; that's where the "2" comes from below.
2453 return (unsigned char *) (afterParmsp + 2);
2456 /* must set all the returned parameters before playing around with the
2457 * data region, since the data region is located past the end of the
2458 * variable number of parameters.
2460 void smb_SetSMBDataLength(smb_packet_t *smbp, unsigned int dsize)
2462 unsigned char *afterParmsp;
2464 afterParmsp = smbp->wctp + ((*smbp->wctp)<<1) + 1;
2466 *afterParmsp++ = dsize & 0xff;
2467 *afterParmsp = (dsize>>8) & 0xff;
2470 /* return the parm'th parameter in the smbp packet */
2471 unsigned short smb_GetSMBParm(smb_packet_t *smbp, int parm)
2474 unsigned char *parmDatap;
2476 parmCount = *smbp->wctp;
2478 if (parm >= parmCount) {
2481 sprintf(s, "Bad SMB param %d out of %d, ncb len %d",
2482 parm, parmCount, smbp->ncb_length);
2483 osi_Log3(smb_logp,"Bad SMB param %d out of %d, ncb len %d",
2484 parm, parmCount, smbp->ncb_length);
2485 LogEvent(EVENTLOG_ERROR_TYPE, MSG_BAD_SMB_PARAM,
2486 __FILE__, __LINE__, parm, parmCount, smbp->ncb_length);
2487 osi_panic(s, __FILE__, __LINE__);
2489 parmDatap = smbp->wctp + (2*parm) + 1;
2491 return parmDatap[0] + (parmDatap[1] << 8);
2494 /* return the parm'th parameter in the smbp packet */
2495 unsigned char smb_GetSMBParmByte(smb_packet_t *smbp, int parm)
2498 unsigned char *parmDatap;
2500 parmCount = *smbp->wctp;
2502 if (parm >= parmCount) {
2505 sprintf(s, "Bad SMB param %d out of %d, ncb len %d",
2506 parm, parmCount, smbp->ncb_length);
2507 osi_Log3(smb_logp,"Bad SMB param %d out of %d, ncb len %d",
2508 parm, parmCount, smbp->ncb_length);
2509 LogEvent(EVENTLOG_ERROR_TYPE, MSG_BAD_SMB_PARAM,
2510 __FILE__, __LINE__, parm, parmCount, smbp->ncb_length);
2511 osi_panic(s, __FILE__, __LINE__);
2513 parmDatap = smbp->wctp + (2*parm) + 1;
2515 return parmDatap[0];
2518 /* return the parm'th parameter in the smbp packet */
2519 unsigned int smb_GetSMBParmLong(smb_packet_t *smbp, int parm)
2522 unsigned char *parmDatap;
2524 parmCount = *smbp->wctp;
2526 if (parm + 1 >= parmCount) {
2529 sprintf(s, "Bad SMB param %d out of %d, ncb len %d",
2530 parm, parmCount, smbp->ncb_length);
2531 osi_Log3(smb_logp,"Bad SMB param %d out of %d, ncb len %d",
2532 parm, parmCount, smbp->ncb_length);
2533 LogEvent(EVENTLOG_ERROR_TYPE, MSG_BAD_SMB_PARAM,
2534 __FILE__, __LINE__, parm, parmCount, smbp->ncb_length);
2535 osi_panic(s, __FILE__, __LINE__);
2537 parmDatap = smbp->wctp + (2*parm) + 1;
2539 return parmDatap[0] + (parmDatap[1] << 8) + (parmDatap[2] << 16) + (parmDatap[3] << 24);
2542 /* return the parm'th parameter in the smbp packet */
2543 unsigned int smb_GetSMBOffsetParm(smb_packet_t *smbp, int parm, int offset)
2546 unsigned char *parmDatap;
2548 parmCount = *smbp->wctp;
2550 if (parm * 2 + offset >= parmCount * 2) {
2553 sprintf(s, "Bad SMB param %d offset %d out of %d, ncb len %d",
2554 parm, offset, parmCount, smbp->ncb_length);
2555 LogEvent(EVENTLOG_ERROR_TYPE, MSG_BAD_SMB_PARAM_WITH_OFFSET,
2556 __FILE__, __LINE__, parm, offset, parmCount, smbp->ncb_length);
2557 osi_Log4(smb_logp, "Bad SMB param %d offset %d out of %d, ncb len %d",
2558 parm, offset, parmCount, smbp->ncb_length);
2559 osi_panic(s, __FILE__, __LINE__);
2561 parmDatap = smbp->wctp + (2*parm) + 1 + offset;
2563 return parmDatap[0] + (parmDatap[1] << 8);
2566 void smb_SetSMBParm(smb_packet_t *smbp, int slot, unsigned int parmValue)
2568 unsigned char *parmDatap;
2570 /* make sure we have enough slots */
2571 if (*smbp->wctp <= slot)
2572 *smbp->wctp = slot+1;
2574 parmDatap = smbp->wctp + 2*slot + 1 + smbp->oddByte;
2575 *parmDatap++ = parmValue & 0xff;
2576 *parmDatap = (parmValue>>8) & 0xff;
2579 void smb_SetSMBParmLong(smb_packet_t *smbp, int slot, unsigned int parmValue)
2581 unsigned char *parmDatap;
2583 /* make sure we have enough slots */
2584 if (*smbp->wctp <= slot)
2585 *smbp->wctp = slot+2;
2587 parmDatap = smbp->wctp + 2*slot + 1 + smbp->oddByte;
2588 *parmDatap++ = parmValue & 0xff;
2589 *parmDatap++ = (parmValue>>8) & 0xff;
2590 *parmDatap++ = (parmValue>>16) & 0xff;
2591 *parmDatap = (parmValue>>24) & 0xff;
2594 void smb_SetSMBParmDouble(smb_packet_t *smbp, int slot, char *parmValuep)
2596 unsigned char *parmDatap;
2599 /* make sure we have enough slots */
2600 if (*smbp->wctp <= slot)
2601 *smbp->wctp = slot+4;
2603 parmDatap = smbp->wctp + 2*slot + 1 + smbp->oddByte;
2605 *parmDatap++ = *parmValuep++;
2608 void smb_SetSMBParmByte(smb_packet_t *smbp, int slot, unsigned int parmValue)
2610 unsigned char *parmDatap;
2612 /* make sure we have enough slots */
2613 if (*smbp->wctp <= slot) {
2614 if (smbp->oddByte) {
2616 *smbp->wctp = slot+1;
2621 parmDatap = smbp->wctp + 2*slot + 1 + (1 - smbp->oddByte);
2622 *parmDatap++ = parmValue & 0xff;
2627 void smb_StripLastComponent(clientchar_t *outPathp, clientchar_t **lastComponentp,
2628 clientchar_t *inPathp)
2630 clientchar_t *lastSlashp;
2631 clientchar_t *streamp = NULL;
2632 clientchar_t *typep = NULL;
2634 lastSlashp = cm_ClientStrRChr(inPathp, '\\');
2635 if (lastComponentp) {
2636 *lastComponentp = lastSlashp;
2640 * If the name contains a stream name and a type
2641 * and the stream name is the nul-string and the
2642 * type is $DATA, then strip "::$DATA" from the
2643 * last component string that is returned.
2645 * Otherwise, return the full path name and allow
2646 * the file name to be rejected because it contains
2649 typep = cm_ClientStrRChr(lastSlashp, L':');
2650 if (typep && cm_ClientStrCmpI(typep, L":$DATA") == 0) {
2652 streamp = cm_ClientStrRChr(lastSlashp, L':');
2653 if (streamp && cm_ClientStrCmpI(streamp, L":") == 0) {
2657 osi_Log2(smb_logp, "smb_StripLastComponent found stream [%S] type [%S]",
2658 osi_LogSaveClientString(smb_logp,streamp),
2659 osi_LogSaveClientString(smb_logp,typep));
2663 if (inPathp == lastSlashp)
2665 *outPathp++ = *inPathp++;
2674 clientchar_t *smb_ParseASCIIBlock(smb_packet_t * pktp, unsigned char *inp,
2675 char **chainpp, int flags)
2678 afs_uint32 type = *inp++;
2681 * The first byte specifies the type of the input string.
2682 * CIFS TR 1.0 3.2.10. This function only parses null terminated
2686 /* Length Counted */
2687 case 0x1: /* Data Block */
2688 case 0x5: /* Variable Block */
2689 cb = *inp++ << 16 | *inp++;
2692 /* Null-terminated string */
2693 case 0x4: /* ASCII */
2694 case 0x3: /* Pathname */
2695 case 0x2: /* Dialect */
2696 cb = sizeof(pktp->data) - (inp - pktp->data);
2697 if (inp < pktp->data || inp >= pktp->data + sizeof(pktp->data)) {
2698 #ifdef DEBUG_UNICODE
2701 cb = sizeof(pktp->data);
2706 return NULL; /* invalid input */
2710 if (type == 0x2 /* Dialect */ || !WANTS_UNICODE(pktp))
2711 flags |= SMB_STRF_FORCEASCII;
2714 return smb_ParseStringBuf(pktp->data, &pktp->stringsp, inp, &cb, chainpp, flags);
2717 clientchar_t *smb_ParseString(smb_packet_t * pktp, unsigned char * inp,
2718 char ** chainpp, int flags)
2723 if (!WANTS_UNICODE(pktp))
2724 flags |= SMB_STRF_FORCEASCII;
2727 cb = sizeof(pktp->data) - (inp - pktp->data);
2728 if (inp < pktp->data || inp >= pktp->data + sizeof(pktp->data)) {
2729 #ifdef DEBUG_UNICODE
2732 cb = sizeof(pktp->data);
2734 return smb_ParseStringBuf(pktp->data, &pktp->stringsp, inp, &cb, chainpp,
2735 flags | SMB_STRF_SRCNULTERM);
2738 clientchar_t *smb_ParseStringCb(smb_packet_t * pktp, unsigned char * inp,
2739 size_t cb, char ** chainpp, int flags)
2742 if (!WANTS_UNICODE(pktp))
2743 flags |= SMB_STRF_FORCEASCII;
2746 return smb_ParseStringBuf(pktp->data, &pktp->stringsp, inp, &cb, chainpp, flags);
2749 clientchar_t *smb_ParseStringCch(smb_packet_t * pktp, unsigned char * inp,
2750 size_t cch, char ** chainpp, int flags)
2755 if (!WANTS_UNICODE(pktp))
2756 flags |= SMB_STRF_FORCEASCII;
2758 cb = cch * sizeof(wchar_t);
2761 return smb_ParseStringBuf(pktp->data, &pktp->stringsp, inp, &cb, chainpp, flags);
2765 smb_ParseStringBuf(const unsigned char * bufbase,
2766 cm_space_t ** stringspp,
2767 unsigned char *inp, size_t *pcb_max,
2768 char **chainpp, int flags)
2771 if (!(flags & SMB_STRF_FORCEASCII)) {
2773 cm_space_t * spacep;
2776 if (bufbase && ((inp - bufbase) % 2) != 0) {
2777 inp++; /* unicode strings are always word aligned */
2781 if (FAILED(StringCchLengthW((const wchar_t *) inp, *pcb_max / sizeof(wchar_t),
2783 cch_src = *pcb_max / sizeof(wchar_t);
2787 *pcb_max -= (cch_src + 1) * sizeof(wchar_t);
2794 spacep = cm_GetSpace();
2795 spacep->nextp = *stringspp;
2796 *stringspp = spacep;
2800 *chainpp = inp + sizeof(wchar_t);
2803 *(spacep->wdata) = 0;
2804 return spacep->wdata;
2807 StringCchCopyNW(spacep->wdata,
2808 lengthof(spacep->wdata),
2809 (const clientchar_t *) inp, cch_src);
2812 *chainpp = inp + (cch_src + null_terms)*sizeof(wchar_t);
2814 return spacep->wdata;
2818 cm_space_t * spacep;
2821 /* Not using Unicode */
2823 *chainpp = inp + strlen(inp) + 1;
2826 spacep = cm_GetSpace();
2827 spacep->nextp = *stringspp;
2828 *stringspp = spacep;
2830 cchdest = lengthof(spacep->wdata);
2831 cm_Utf8ToUtf16(inp, (int)((flags & SMB_STRF_SRCNULTERM)? -1 : *pcb_max),
2832 spacep->wdata, cchdest);
2834 return spacep->wdata;
2840 unsigned char * smb_UnparseString(smb_packet_t * pktp, unsigned char * outp,
2842 size_t * plen, int flags)
2848 /* we are only calculating the required size */
2855 if (WANTS_UNICODE(pktp) && !(flags & SMB_STRF_FORCEASCII)) {
2857 StringCbLengthW(str, SMB_STRINGBUFSIZE * sizeof(wchar_t), plen);
2858 if (!(flags & SMB_STRF_IGNORENUL))
2859 *plen += sizeof(wchar_t);
2861 return (unsigned char *) 1; /* return TRUE if we are using unicode */
2871 cch_str = cm_ClientStrLen(str);
2872 cch_dest = cm_ClientStringToUtf8(str, (int)cch_str, NULL, 0);
2875 *plen = ((flags & SMB_STRF_IGNORENUL)? cch_dest: cch_dest+1);
2883 /* if outp != NULL ... */
2885 /* Number of bytes left in the buffer.
2887 If outp lies inside the packet data buffer, we assume that the
2888 buffer is the packet data buffer. Otherwise we assume that the
2889 buffer is sizeof(packet->data).
2892 if (outp >= pktp->data && outp < pktp->data + sizeof(pktp->data)) {
2893 align = (int)((outp - pktp->data) % 2);
2894 buffersize = (pktp->data + sizeof(pktp->data)) - ((char *) outp);
2896 align = (int)(((size_t) outp) % 2);
2897 buffersize = (int)sizeof(pktp->data);
2902 if (WANTS_UNICODE(pktp) && !(flags & SMB_STRF_FORCEASCII)) {
2908 if (*str == _C('\0')) {
2910 if (buffersize < sizeof(wchar_t))
2913 *((wchar_t *) outp) = L'\0';
2914 if (plen && !(flags & SMB_STRF_IGNORENUL))
2915 *plen += sizeof(wchar_t);
2916 return outp + sizeof(wchar_t);
2919 nchars = cm_ClientStringToUtf16(str, -1, (wchar_t *) outp, (int)(buffersize / sizeof(wchar_t)));
2921 osi_Log2(smb_logp, "UnparseString: Can't convert string to Unicode [%S], GLE=%d",
2922 osi_LogSaveClientString(smb_logp, str),
2928 *plen += sizeof(wchar_t) * ((flags & SMB_STRF_IGNORENUL)? nchars - 1: nchars);
2930 return outp + sizeof(wchar_t) * nchars;
2938 cch_dest = cm_ClientStringToUtf8(str, -1, outp, (int)buffersize);
2941 *plen += ((flags & SMB_STRF_IGNORENUL)? cch_dest - 1: cch_dest);
2943 return outp + cch_dest;
2947 unsigned char *smb_ParseVblBlock(unsigned char *inp, char **chainpp, int *lengthp)
2953 tlen = inp[0] + (inp[1]<<8);
2954 inp += 2; /* skip length field */
2957 *chainpp = inp + tlen;
2966 unsigned char *smb_ParseDataBlock(unsigned char *inp, char **chainpp, int *lengthp)
2970 if (*inp++ != 0x1) return NULL;
2971 tlen = inp[0] + (inp[1]<<8);
2972 inp += 2; /* skip length field */
2975 *chainpp = inp + tlen;
2978 if (lengthp) *lengthp = tlen;
2983 /* format a packet as a response */
2984 void smb_FormatResponsePacket(smb_vc_t *vcp, smb_packet_t *inp, smb_packet_t *op)
2989 outp = (smb_t *) op;
2991 /* zero the basic structure through the smb_wct field, and zero the data
2992 * size field, assuming that wct stays zero; otherwise, you have to
2993 * explicitly set the data size field, too.
2995 inSmbp = (smb_t *) inp;
2996 memset(outp, 0, sizeof(smb_t)+2);
3002 outp->com = inSmbp->com;
3003 outp->tid = inSmbp->tid;
3004 outp->pid = inSmbp->pid;
3005 outp->uid = inSmbp->uid;
3006 outp->mid = inSmbp->mid;
3007 outp->res[0] = inSmbp->res[0];
3008 outp->res[1] = inSmbp->res[1];
3009 op->inCom = inSmbp->com;
3011 outp->reb = SMB_FLAGS_SERVER_TO_CLIENT;
3012 #ifdef SEND_CANONICAL_PATHNAMES
3013 outp->reb |= SMB_FLAGS_CANONICAL_PATHNAMES;
3015 outp->flg2 = SMB_FLAGS2_KNOWS_LONG_NAMES;
3017 if ((vcp->flags & SMB_VCFLAG_USEUNICODE) == SMB_VCFLAG_USEUNICODE)
3018 outp->flg2 |= SMB_FLAGS2_UNICODE;
3021 /* copy fields in generic packet area */
3022 op->wctp = &outp->wct;
3025 /* send a (probably response) packet; vcp tells us to whom to send it.
3026 * we compute the length by looking at wct and bcc fields.
3028 void smb_SendPacket(smb_vc_t *vcp, smb_packet_t *inp)
3038 ncbp = smb_GetNCB();
3042 memset(ncbp, 0, sizeof(NCB));
3044 extra = 2 * (*inp->wctp); /* space used by parms, in bytes */
3045 tp = inp->wctp + 1+ extra; /* points to count of data bytes */
3046 extra += tp[0] + (tp[1]<<8);
3047 extra += (unsigned int)(inp->wctp - inp->data); /* distance to last wct field */
3048 extra += 3; /* wct and length fields */
3050 ncbp->ncb_length = extra; /* bytes to send */
3051 ncbp->ncb_lsn = (unsigned char) vcp->lsn; /* vc to use */
3052 ncbp->ncb_lana_num = vcp->lana;
3053 ncbp->ncb_command = NCBSEND; /* op means send data */
3054 ncbp->ncb_buffer = (char *) inp;/* packet */
3055 code = Netbios(ncbp);
3058 const char * s = ncb_error_string(code);
3059 osi_Log2(smb_logp, "SendPacket failure code %d \"%s\"", code, s);
3060 LogEvent(EVENTLOG_WARNING_TYPE, MSG_SMB_SEND_PACKET_FAILURE, s);
3062 lock_ObtainMutex(&vcp->mx);
3063 if (!(vcp->flags & SMB_VCFLAG_ALREADYDEAD)) {
3064 osi_Log2(smb_logp, "marking dead vcp 0x%x, user struct 0x%x",
3066 vcp->flags |= SMB_VCFLAG_ALREADYDEAD;
3067 lock_ReleaseMutex(&vcp->mx);
3068 lock_ObtainWrite(&smb_globalLock);
3069 dead_sessions[vcp->session] = TRUE;
3070 lock_ReleaseWrite(&smb_globalLock);
3071 smb_CleanupDeadVC(vcp);
3073 lock_ReleaseMutex(&vcp->mx);
3081 void smb_MapNTError(long code, unsigned long *NTStatusp)
3083 unsigned long NTStatus;
3085 /* map CM_ERROR_* errors to NT 32-bit status codes */
3086 /* NT Status codes are listed in ntstatus.h not winerror.h */
3090 else if (code == CM_ERROR_NOSUCHCELL) {
3091 NTStatus = 0xC0000034L; /* Name not found */
3093 else if (code == CM_ERROR_NOSUCHVOLUME) {
3094 NTStatus = 0xC0000034L; /* Name not found */
3096 else if (code == CM_ERROR_TIMEDOUT) {
3098 NTStatus = 0xC00000CFL; /* Sharing Paused */
3100 /* Do not send Timeout to the SMB redirector.
3101 * It causes the redirector to drop the connection */
3102 NTStatus = 0x00000102L; /* Timeout */
3103 /* do not send Retry to the SMB redirector.
3104 * It believes the error comes from the transport
3105 * layer not from the SMB server. */
3106 NTStatus = 0xC000022DL; /* Retry */
3108 NTStatus = 0xC00000B5L; /* I/O Timeout */
3111 else if (code == CM_ERROR_RETRY) {
3113 NTStatus = 0xC000022DL; /* Retry */
3115 NTStatus = 0xC00000B5L; /* I/O Timeout */
3118 else if (code == CM_ERROR_NOACCESS) {
3119 NTStatus = 0xC0000022L; /* Access denied */
3121 else if (code == CM_ERROR_READONLY) {
3122 NTStatus = 0xC00000A2L; /* Write protected */
3124 else if (code == CM_ERROR_NOSUCHFILE ||
3125 code == CM_ERROR_BPLUS_NOMATCH) {
3126 NTStatus = 0xC0000034L; /* Name not found */
3128 else if (code == CM_ERROR_NOSUCHPATH) {
3129 NTStatus = 0xC000003AL; /* Object path not found */
3131 else if (code == CM_ERROR_TOOBIG) {
3132 NTStatus = 0xC000007BL; /* Invalid image format */
3134 else if (code == CM_ERROR_INVAL) {
3135 NTStatus = 0xC000000DL; /* Invalid parameter */
3137 else if (code == CM_ERROR_BADFD) {
3138 NTStatus = 0xC0000008L; /* Invalid handle */
3140 else if (code == CM_ERROR_BADFDOP) {
3141 NTStatus = 0xC0000022L; /* Access denied */
3143 else if (code == CM_ERROR_UNKNOWN) {
3144 NTStatus = 0xC0000022L; /* Access denied */
3146 else if (code == CM_ERROR_EXISTS) {
3147 NTStatus = 0xC0000035L; /* Object name collision */
3149 else if (code == CM_ERROR_NOTEMPTY) {
3150 NTStatus = 0xC0000101L; /* Directory not empty */
3152 else if (code == CM_ERROR_CROSSDEVLINK) {
3153 NTStatus = 0xC00000D4L; /* Not same device */
3155 else if (code == CM_ERROR_NOTDIR) {
3156 NTStatus = 0xC0000103L; /* Not a directory */
3158 else if (code == CM_ERROR_ISDIR) {
3159 NTStatus = 0xC00000BAL; /* File is a directory */
3161 else if (code == CM_ERROR_BADOP) {
3163 /* I have no idea where this comes from */
3164 NTStatus = 0xC09820FFL; /* SMB no support */
3166 NTStatus = 0xC00000BBL; /* Not supported */
3167 #endif /* COMMENT */
3169 else if (code == CM_ERROR_BADSHARENAME) {
3170 NTStatus = 0xC00000BEL; /* Bad network path (server valid, share bad) */
3172 else if (code == CM_ERROR_NOIPC) {
3174 NTStatus = 0xC0000022L; /* Access Denied */
3176 NTStatus = 0xC000013DL; /* Remote Resources */
3179 else if (code == CM_ERROR_CLOCKSKEW ||
3180 code == RXKADNOAUTH) {
3181 NTStatus = 0xC0000133L; /* Time difference at DC */
3183 else if (code == CM_ERROR_BADTID) {
3184 NTStatus = 0xC0982005L; /* SMB bad TID */
3186 else if (code == CM_ERROR_USESTD) {
3187 NTStatus = 0xC09820FBL; /* SMB use standard */
3189 else if (code == CM_ERROR_QUOTA) {
3190 NTStatus = 0xC0000044L; /* Quota exceeded */
3192 else if (code == CM_ERROR_SPACE) {
3193 NTStatus = 0xC000007FL; /* Disk full */
3195 else if (code == CM_ERROR_ATSYS) {
3196 NTStatus = 0xC0000033L; /* Object name invalid */
3198 else if (code == CM_ERROR_BADNTFILENAME) {
3199 NTStatus = 0xC0000033L; /* Object name invalid */
3201 else if (code == CM_ERROR_WOULDBLOCK) {
3202 NTStatus = 0xC00000D8L; /* Can't wait */
3204 else if (code == CM_ERROR_SHARING_VIOLATION) {
3205 NTStatus = 0xC0000043L; /* Sharing violation */
3207 else if (code == CM_ERROR_LOCK_CONFLICT) {
3208 NTStatus = 0xC0000054L; /* Lock conflict */
3210 else if (code == CM_ERROR_PARTIALWRITE) {
3211 NTStatus = 0xC000007FL; /* Disk full */
3213 else if (code == CM_ERROR_BUFFERTOOSMALL) {
3214 NTStatus = 0xC0000023L; /* Buffer too small */
3216 else if (code == CM_ERROR_BUFFER_OVERFLOW) {
3217 NTStatus = 0x80000005L; /* Buffer overflow */
3219 else if (code == CM_ERROR_AMBIGUOUS_FILENAME) {
3220 NTStatus = 0xC0000035L; /* Object name collision */
3222 else if (code == CM_ERROR_BADPASSWORD) {
3223 NTStatus = 0xC000006DL; /* unknown username or bad password */
3225 else if (code == CM_ERROR_BADLOGONTYPE) {
3226 NTStatus = 0xC000015BL; /* logon type not granted */
3228 else if (code == CM_ERROR_GSSCONTINUE) {
3229 NTStatus = 0xC0000016L; /* more processing required */
3231 else if (code == CM_ERROR_TOO_MANY_SYMLINKS) {
3233 NTStatus = 0xC0000280L; /* reparse point not resolved */
3235 NTStatus = 0xC0000022L; /* Access Denied */
3238 else if (code == CM_ERROR_PATH_NOT_COVERED) {
3239 NTStatus = 0xC0000257L; /* Path Not Covered */
3241 else if (code == CM_ERROR_ALLBUSY) {
3243 NTStatus = 0xC000022DL; /* Retry */
3245 NTStatus = 0xC0020018L; /* RPC_NT_SERVER_TOO_BUSY */
3248 else if (code == CM_ERROR_ALLOFFLINE || code == CM_ERROR_ALLDOWN) {
3250 NTStatus = 0xC000003AL; /* Path not found */
3252 NTStatus = 0xC0020017L; /* RPC_NT_SERVER_UNAVAILABLE */
3255 else if (code >= ERROR_TABLE_BASE_RXK && code < ERROR_TABLE_BASE_RXK + 256) {
3256 NTStatus = 0xC0000322L; /* No Kerberos key */
3258 else if (code == CM_ERROR_BAD_LEVEL) {
3259 NTStatus = 0xC0000148L; /* Invalid Level */
3261 else if (code == CM_ERROR_RANGE_NOT_LOCKED) {
3262 NTStatus = 0xC000007EL; /* Range Not Locked */
3264 else if (code == CM_ERROR_NOSUCHDEVICE) {
3265 NTStatus = 0xC000000EL; /* No Such Device */
3267 else if (code == CM_ERROR_LOCK_NOT_GRANTED) {
3268 NTStatus = 0xC0000055L; /* Lock Not Granted */
3270 else if (code == ENOMEM) {
3271 NTStatus = 0xC0000017L; /* Out of Memory */
3273 else if (code == CM_ERROR_RPC_MOREDATA) {
3274 NTStatus = 0x80000005L; /* Buffer overflow */
3277 NTStatus = 0xC0982001L; /* SMB non-specific error */
3280 *NTStatusp = NTStatus;
3281 osi_Log2(smb_logp, "SMB SEND code %lX as NT %lX", code, NTStatus);
3285 * NTSTATUS <-> Win32 Error Translation
3286 * http://support.microsoft.com/kb/113996
3288 void smb_MapWin32Error(long code, unsigned long *Win32Ep)
3290 unsigned long Win32E;
3292 /* map CM_ERROR_* errors to Win32 32-bit error codes */
3296 else if (code == CM_ERROR_NOSUCHCELL) {
3297 Win32E = ERROR_FILE_NOT_FOUND; /* No such file */
3299 else if (code == CM_ERROR_NOSUCHVOLUME) {
3300 Win32E = ERROR_FILE_NOT_FOUND; /* No such file */
3302 else if (code == CM_ERROR_TIMEDOUT) {
3304 Win32E = ERROR_SHARING_PAUSED; /* Sharing Paused */
3306 Win32E = ERROR_UNEXP_NET_ERR; /* Timeout */
3309 else if (code == CM_ERROR_RETRY) {
3310 Win32E = ERROR_RETRY; /* Retry */
3312 else if (code == CM_ERROR_NOACCESS) {
3313 Win32E = ERROR_ACCESS_DENIED; /* Access denied */
3315 else if (code == CM_ERROR_READONLY) {
3316 Win32E = ERROR_WRITE_PROTECT; /* Write protected */
3318 else if (code == CM_ERROR_NOSUCHFILE ||
3319 code == CM_ERROR_BPLUS_NOMATCH) {
3320 Win32E = ERROR_FILE_NOT_FOUND; /* No such file */
3322 else if (code == CM_ERROR_NOSUCHPATH) {
3323 Win32E = ERROR_PATH_NOT_FOUND; /* Object path not found */
3325 else if (code == CM_ERROR_TOOBIG) {
3326 Win32E = ERROR_BAD_EXE_FORMAT; /* Invalid image format */
3328 else if (code == CM_ERROR_INVAL) {
3329 Win32E = ERROR_INVALID_PARAMETER;/* Invalid parameter */
3331 else if (code == CM_ERROR_BADFD) {
3332 Win32E = ERROR_INVALID_HANDLE; /* Invalid handle */
3334 else if (code == CM_ERROR_BADFDOP) {
3335 Win32E = ERROR_ACCESS_DENIED; /* Access denied */
3337 else if (code == CM_ERROR_UNKNOWN) {
3338 Win32E = ERROR_ACCESS_DENIED; /* Access denied */
3340 else if (code == CM_ERROR_EXISTS) {
3341 Win32E = ERROR_ALREADY_EXISTS; /* Object name collision */
3343 else if (code == CM_ERROR_NOTEMPTY) {
3344 Win32E = ERROR_DIR_NOT_EMPTY; /* Directory not empty */
3346 else if (code == CM_ERROR_CROSSDEVLINK) {
3347 Win32E = ERROR_NOT_SAME_DEVICE; /* Not same device */
3349 else if (code == CM_ERROR_NOTDIR) {
3350 Win32E = ERROR_DIRECTORY; /* Not a directory */
3352 else if (code == CM_ERROR_ISDIR) {
3353 Win32E = ERROR_ACCESS_DENIED; /* File is a directory */
3355 else if (code == CM_ERROR_BADOP) {
3356 Win32E = ERROR_NOT_SUPPORTED; /* Not supported */
3358 else if (code == CM_ERROR_BADSHARENAME) {
3359 Win32E = ERROR_BAD_NETPATH; /* Bad network path (server valid, share bad) */
3361 else if (code == CM_ERROR_NOIPC) {
3363 Win32E = ERROR_ACCESS_DENIED; /* Access Denied */
3365 Win32E = ERROR_REM_NOT_LIST; /* Remote Resources */
3368 else if (code == CM_ERROR_CLOCKSKEW ||
3369 code == RXKADNOAUTH) {
3370 Win32E = ERROR_TIME_SKEW; /* Time difference at DC */
3372 else if (code == CM_ERROR_BADTID) {
3373 Win32E = ERROR_FILE_NOT_FOUND; /* SMB bad TID */
3375 else if (code == CM_ERROR_USESTD) {
3376 Win32E = ERROR_ACCESS_DENIED; /* SMB use standard */
3378 else if (code == CM_ERROR_QUOTA) {
3379 Win32E = ERROR_NOT_ENOUGH_QUOTA;/* Quota exceeded */
3381 else if (code == CM_ERROR_SPACE) {
3382 Win32E = ERROR_DISK_FULL; /* Disk full */
3384 else if (code == CM_ERROR_ATSYS) {
3385 Win32E = ERROR_INVALID_NAME; /* Object name invalid */
3387 else if (code == CM_ERROR_BADNTFILENAME) {
3388 Win32E = ERROR_INVALID_NAME; /* Object name invalid */
3390 else if (code == CM_ERROR_WOULDBLOCK) {
3391 Win32E = WAIT_TIMEOUT; /* Can't wait */
3393 else if (code == CM_ERROR_SHARING_VIOLATION) {
3394 Win32E = ERROR_SHARING_VIOLATION; /* Sharing violation */
3396 else if (code == CM_ERROR_LOCK_CONFLICT) {
3397 Win32E = ERROR_LOCK_VIOLATION; /* Lock conflict */
3399 else if (code == CM_ERROR_PARTIALWRITE) {
3400 Win32E = ERROR_DISK_FULL; /* Disk full */
3402 else if (code == CM_ERROR_BUFFERTOOSMALL) {
3403 Win32E = ERROR_INSUFFICIENT_BUFFER; /* Buffer too small */
3405 else if (code == CM_ERROR_AMBIGUOUS_FILENAME) {
3406 Win32E = ERROR_ALREADY_EXISTS; /* Object name collision */
3408 else if (code == CM_ERROR_BADPASSWORD) {
3409 Win32E = ERROR_LOGON_FAILURE; /* unknown username or bad password */
3411 else if (code == CM_ERROR_BADLOGONTYPE) {
3412 Win32E = ERROR_INVALID_LOGON_TYPE; /* logon type not granted */
3414 else if (code == CM_ERROR_GSSCONTINUE) {
3415 Win32E = ERROR_MORE_DATA; /* more processing required */
3417 else if (code == CM_ERROR_TOO_MANY_SYMLINKS) {
3419 Win32E = ERROR_CANT_RESOLVE_FILENAME; /* reparse point not resolved */
3421 Win32E = ERROR_ACCESS_DENIED; /* Access Denied */
3424 else if (code == CM_ERROR_PATH_NOT_COVERED) {
3425 Win32E = ERROR_HOST_UNREACHABLE; /* Path Not Covered */
3427 else if (code == CM_ERROR_ALLBUSY) {
3428 Win32E = ERROR_RETRY; /* Retry */
3430 else if (code == CM_ERROR_ALLOFFLINE || code == CM_ERROR_ALLDOWN) {
3431 Win32E = ERROR_HOST_UNREACHABLE; /* Path not found */
3433 else if (code >= ERROR_TABLE_BASE_RXK && code < ERROR_TABLE_BASE_RXK + 256) {
3434 Win32E = SEC_E_NO_KERB_KEY; /* No Kerberos key */
3436 else if (code == CM_ERROR_BAD_LEVEL) {
3437 Win32E = ERROR_INVALID_LEVEL; /* Invalid Level */
3439 else if (code == CM_ERROR_RANGE_NOT_LOCKED) {
3440 Win32E = ERROR_NOT_LOCKED; /* Range Not Locked */
3442 else if (code == CM_ERROR_NOSUCHDEVICE) {
3443 Win32E = ERROR_FILE_NOT_FOUND; /* No Such Device */
3445 else if (code == CM_ERROR_LOCK_NOT_GRANTED) {
3446 Win32E = ERROR_LOCK_VIOLATION; /* Lock Not Granted */
3448 else if (code == ENOMEM) {
3449 Win32E = ERROR_NOT_ENOUGH_MEMORY; /* Out of Memory */
3451 else if (code == CM_ERROR_RPC_MOREDATA) {
3452 Win32E = ERROR_MORE_DATA; /* Buffer overflow */
3455 Win32E = ERROR_GEN_FAILURE; /* SMB non-specific error */
3459 osi_Log2(smb_logp, "SMB SEND code %lX as Win32 %lX", code, Win32E);
3462 void smb_MapCoreError(long code, smb_vc_t *vcp, unsigned short *scodep,
3463 unsigned char *classp)
3465 unsigned char class;
3466 unsigned short error;
3468 /* map CM_ERROR_* errors to SMB errors */
3469 if (code == CM_ERROR_NOSUCHCELL) {
3471 error = 3; /* bad path */
3473 else if (code == CM_ERROR_NOSUCHVOLUME) {
3475 error = 3; /* bad path */
3477 else if (code == CM_ERROR_TIMEDOUT) {
3479 error = 81; /* server is paused */
3481 else if (code == CM_ERROR_RETRY) {
3482 class = 2; /* shouldn't happen */
3485 else if (code == CM_ERROR_NOACCESS) {
3487 error = 4; /* bad access */
3489 else if (code == CM_ERROR_READONLY) {
3491 error = 19; /* read only */
3493 else if (code == CM_ERROR_NOSUCHFILE ||
3494 code == CM_ERROR_BPLUS_NOMATCH) {
3496 error = 2; /* ENOENT! */
3498 else if (code == CM_ERROR_NOSUCHPATH) {
3500 error = 3; /* Bad path */
3502 else if (code == CM_ERROR_TOOBIG) {
3504 error = 11; /* bad format */
3506 else if (code == CM_ERROR_INVAL) {
3507 class = 2; /* server non-specific error code */
3510 else if (code == CM_ERROR_BADFD) {
3512 error = 6; /* invalid file handle */
3514 else if (code == CM_ERROR_BADFDOP) {
3515 class = 1; /* invalid op on FD */
3518 else if (code == CM_ERROR_EXISTS) {
3520 error = 80; /* file already exists */
3522 else if (code == CM_ERROR_NOTEMPTY) {
3524 error = 5; /* delete directory not empty */
3526 else if (code == CM_ERROR_CROSSDEVLINK) {
3528 error = 17; /* EXDEV */
3530 else if (code == CM_ERROR_NOTDIR) {
3531 class = 1; /* bad path */
3534 else if (code == CM_ERROR_ISDIR) {
3535 class = 1; /* access denied; DOS doesn't have a good match */
3538 else if (code == CM_ERROR_BADOP) {
3542 else if (code == CM_ERROR_BADSHARENAME) {
3546 else if (code == CM_ERROR_NOIPC) {
3548 error = 4; /* bad access */
3550 else if (code == CM_ERROR_CLOCKSKEW) {
3551 class = 1; /* invalid function */
3554 else if (code == CM_ERROR_BADTID) {
3558 else if (code == CM_ERROR_USESTD) {
3562 else if (code == CM_ERROR_REMOTECONN) {
3566 else if (code == CM_ERROR_QUOTA) {
3567 if (vcp->flags & SMB_VCFLAG_USEV3) {
3569 error = 39; /* disk full */
3573 error = 5; /* access denied */
3576 else if (code == CM_ERROR_SPACE) {
3577 if (vcp->flags & SMB_VCFLAG_USEV3) {
3579 error = 39; /* disk full */
3583 error = 5; /* access denied */
3586 else if (code == CM_ERROR_PARTIALWRITE) {
3588 error = 39; /* disk full */
3590 else if (code == CM_ERROR_ATSYS) {
3592 error = 2; /* ENOENT */
3594 else if (code == CM_ERROR_WOULDBLOCK) {
3596 error = 33; /* lock conflict */
3598 else if (code == CM_ERROR_LOCK_CONFLICT) {
3600 error = 33; /* lock conflict */
3602 else if (code == CM_ERROR_SHARING_VIOLATION) {
3604 error = 33; /* lock conflict */
3606 else if (code == CM_ERROR_NOFILES) {
3608 error = 18; /* no files in search */
3610 else if (code == CM_ERROR_RENAME_IDENTICAL) {
3612 error = 183; /* Samba uses this */
3614 else if (code == CM_ERROR_BADPASSWORD || code == CM_ERROR_BADLOGONTYPE) {
3615 /* we don't have a good way of reporting CM_ERROR_BADLOGONTYPE */
3617 error = 2; /* bad password */
3619 else if (code == CM_ERROR_PATH_NOT_COVERED) {
3621 error = 3; /* bad path */
3630 osi_Log3(smb_logp, "SMB SEND code %lX as SMB %d: %d", code, class, error);
3633 long smb_SendCoreBadOp(smb_vc_t *vcp, smb_packet_t *inp, smb_packet_t *outp)
3635 osi_Log0(smb_logp,"SendCoreBadOp - NOT_SUPPORTED");
3636 return CM_ERROR_BADOP;
3640 long smb_ReceiveCoreEcho(smb_vc_t *vcp, smb_packet_t *inp, smb_packet_t *outp)
3642 unsigned short EchoCount, i;
3643 char *data, *outdata;
3646 EchoCount = (unsigned short) smb_GetSMBParm(inp, 0);
3648 for (i=1; i<=EchoCount; i++) {
3649 data = smb_GetSMBData(inp, &dataSize);
3650 smb_SetSMBParm(outp, 0, i);
3651 smb_SetSMBDataLength(outp, dataSize);
3652 outdata = smb_GetSMBData(outp, NULL);
3653 memcpy(outdata, data, dataSize);
3654 smb_SendPacket(vcp, outp);
3660 /* SMB_COM_READ_RAW */
3661 long smb_ReceiveCoreReadRaw(smb_vc_t *vcp, smb_packet_t *inp, smb_packet_t *outp)
3664 long count, minCount, finalCount;
3668 smb_t *smbp = (smb_t*) inp;
3670 cm_user_t *userp = NULL;
3673 char *rawBuf = NULL;
3678 fd = smb_GetSMBParm(inp, 0);
3679 count = smb_GetSMBParm(inp, 3);
3680 minCount = smb_GetSMBParm(inp, 4);
3681 offset.LowPart = smb_GetSMBParm(inp, 1) | (smb_GetSMBParm(inp, 2) << 16);
3683 if (*inp->wctp == 10) {
3684 /* we were sent a request with 64-bit file offsets */
3685 offset.HighPart = smb_GetSMBParm(inp, 8) | (smb_GetSMBParm(inp, 9) << 16);
3687 if (LargeIntegerLessThanZero(offset)) {
3688 osi_Log0(smb_logp, "smb_ReceiveCoreReadRaw received negative 64-bit offset");
3692 /* we were sent a request with 32-bit file offsets */
3693 offset.HighPart = 0;
3696 osi_Log4(smb_logp, "smb_ReceieveCoreReadRaw fd %d, off 0x%x:%08x, size 0x%x",
3697 fd, offset.HighPart, offset.LowPart, count);
3699 fidp = smb_FindFID(vcp, fd, 0);
3701 osi_Log2(smb_logp, "smb_ReceiveCoreReadRaw Unknown SMB Fid vcp 0x%p fid %d",
3705 lock_ObtainMutex(&fidp->mx);
3707 lock_ReleaseMutex(&fidp->mx);
3708 smb_ReleaseFID(fidp);
3709 return CM_ERROR_BADFD;
3712 if (fidp->scp->flags & CM_SCACHEFLAG_DELETED) {
3713 lock_ReleaseMutex(&fidp->mx);
3714 smb_CloseFID(vcp, fidp, NULL, 0);
3715 code = CM_ERROR_NOSUCHFILE;
3721 LARGE_INTEGER LOffset, LLength;
3724 key = cm_GenerateKey(vcp->vcID, pid, fd);
3726 LOffset.HighPart = offset.HighPart;
3727 LOffset.LowPart = offset.LowPart;
3728 LLength.HighPart = 0;
3729 LLength.LowPart = count;
3731 lock_ObtainWrite(&fidp->scp->rw);
3732 code = cm_LockCheckRead(fidp->scp, LOffset, LLength, key);
3733 lock_ReleaseWrite(&fidp->scp->rw);
3736 lock_ReleaseMutex(&fidp->mx);
3740 lock_ObtainMutex(&smb_RawBufLock);