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 <afs/param.h>
15 #pragma warning(disable: 4005)
28 #include <rx/rx_prototypes.h>
29 #include <WINNT\afsreg.h>
32 #include "lanahelper.h"
34 #define STRSAFE_NO_DEPRECATE
37 /* These characters are illegal in Windows filenames */
38 static clientchar_t *illegalChars = _C("\\/:*?\"<>|");
40 static int smbShutdownFlag = 0;
41 static int smb_ListenerState = SMB_LISTENER_UNINITIALIZED;
43 int smb_LogoffTokenTransfer;
44 time_t smb_LogoffTransferTimeout;
46 int smb_StoreAnsiFilenames = 0;
48 DWORD last_msg_time = 0;
52 unsigned int sessionGen = 0;
54 extern void afsi_log(char *pattern, ...);
55 extern HANDLE afsi_file;
56 extern int powerStateSuspended;
58 osi_hyper_t hzero = {0, 0};
59 osi_hyper_t hones = {0xFFFFFFFF, -1};
62 osi_rwlock_t smb_globalLock;
63 osi_rwlock_t smb_rctLock;
64 osi_mutex_t smb_ListenerLock;
65 osi_mutex_t smb_StartedLock;
67 unsigned char smb_LANadapter = LANA_INVALID;
68 unsigned char smb_sharename[NCBNAMSZ+1] = {0};
69 int smb_LanAdapterChangeDetected = 0;
70 afs_uint32 smb_AsyncStore = 1;
71 afs_uint32 smb_AsyncStoreSize = CM_CONFIGDEFAULT_ASYNCSTORESIZE;
73 BOOL isGateway = FALSE;
76 long smb_maxObsConcurrentCalls=0;
77 long smb_concurrentCalls=0;
79 smb_dispatch_t smb_dispatchTable[SMB_NOPCODES];
81 smb_packet_t *smb_packetFreeListp;
82 smb_ncb_t *smb_ncbFreeListp;
84 afs_uint32 smb_NumServerThreads;
86 afs_uint32 numNCBs, numSessions, numVCs;
88 int smb_maxVCPerServer;
89 int smb_maxMpxRequests;
91 int smb_authType = SMB_AUTH_EXTENDED; /* type of SMB auth to use. One of SMB_AUTH_* */
93 ULONG smb_lsaSecPackage;
94 LSA_STRING smb_lsaLogonOrigin;
96 #define NCB_MAX MAXIMUM_WAIT_OBJECTS
97 EVENT_HANDLE NCBavails[NCB_MAX], NCBevents[NCB_MAX];
98 EVENT_HANDLE **NCBreturns;
99 EVENT_HANDLE **NCBShutdown;
100 EVENT_HANDLE *smb_ServerShutdown;
101 EVENT_HANDLE ListenerShutdown[256];
102 DWORD NCBsessions[NCB_MAX];
104 struct smb_packet *bufs[NCB_MAX];
106 #define SESSION_MAX MAXIMUM_WAIT_OBJECTS - 4
107 EVENT_HANDLE SessionEvents[SESSION_MAX];
108 unsigned short LSNs[SESSION_MAX];
109 int lanas[SESSION_MAX];
110 BOOL dead_sessions[SESSION_MAX];
113 osi_mutex_t smb_RawBufLock;
116 #define SMB_MASKFLAG_TILDE 1
117 #define SMB_MASKFLAG_CASEFOLD 2
119 #define RAWTIMEOUT INFINITE
122 typedef struct raw_write_cont {
131 /* dir search stuff */
132 long smb_dirSearchCounter = 1;
133 smb_dirSearch_t *smb_firstDirSearchp;
134 smb_dirSearch_t *smb_lastDirSearchp;
136 /* hide dot files? */
137 int smb_hideDotFiles;
139 /* Negotiate Unicode support? */
142 /* global state about V3 protocols */
143 int smb_useV3; /* try to negotiate V3 */
145 static int showErrors = 0;
146 /* MessageBox or something like it */
147 int (_stdcall *smb_MBfunc)(HWND, LPCTSTR, LPCTSTR, UINT)
151 * Time in Unix format of midnight, 1/1/1970 local time.
152 * When added to dosUTime, gives Unix (AFS) time.
154 time_t smb_localZero = 0;
156 #define USE_NUMERIC_TIME_CONV 1
158 #ifndef USE_NUMERIC_TIME_CONV
159 /* Time difference for converting to kludge-GMT */
160 afs_uint32 smb_NowTZ;
161 #endif /* USE_NUMERIC_TIME_CONV */
163 char *smb_localNamep = NULL;
165 smb_vc_t *smb_allVCsp;
166 smb_vc_t *smb_deadVCsp;
168 smb_username_t *usernamesp = NULL;
170 smb_waitingLockRequest_t *smb_allWaitingLocks;
172 DWORD smb_TlsRequestSlot = -1;
175 void smb_DispatchPacket(smb_vc_t *vcp, smb_packet_t *inp, smb_packet_t *outp,
176 NCB *ncbp, raw_write_cont_t *rwcp);
177 int smb_NetbiosInit(int);
180 void smb_LogPacket(smb_packet_t *packet);
181 #endif /* LOG_PACKET */
183 clientchar_t smb_ServerDomainName[MAX_COMPUTERNAME_LENGTH + 1] = _C(""); /* domain name */
184 int smb_ServerDomainNameLength = 0;
185 clientchar_t smb_ServerOS[] = _C("Windows 5.0"); /* Faux OS String */
186 int smb_ServerOSLength = lengthof(smb_ServerOS);
187 clientchar_t smb_ServerLanManager[] = _C("Windows 2000 LAN Manager"); /* Faux LAN Manager string */
188 int smb_ServerLanManagerLength = lengthof(smb_ServerLanManager);
190 /* Faux server GUID. This is never checked. */
191 GUID smb_ServerGUID = { 0x40015cb8, 0x058a, 0x44fc, { 0xae, 0x7e, 0xbb, 0x29, 0x52, 0xee, 0x7e, 0xff }};
193 void smb_InitReq(cm_req_t *reqp)
196 reqp->flags |= CM_REQ_SOURCE_SMB;
199 void smb_ResetServerPriority()
201 void * p = TlsGetValue(smb_TlsRequestSlot);
204 TlsSetValue(smb_TlsRequestSlot, NULL);
205 SetThreadPriority(GetCurrentThread(), THREAD_PRIORITY_NORMAL);
209 void smb_SetRequestStartTime()
211 time_t * tp = TlsGetValue(smb_TlsRequestSlot);
213 tp = malloc(sizeof(time_t));
217 if (!TlsSetValue(smb_TlsRequestSlot, tp))
222 void smb_UpdateServerPriority()
224 time_t *tp = TlsGetValue(smb_TlsRequestSlot);
227 time_t now = osi_Time();
229 /* Give one priority boost for each 15 seconds */
230 SetThreadPriority(GetCurrentThread(), (int)((now - *tp) / 15));
235 const char * ncb_error_string(int code)
239 case 0x01: s = "NRC_BUFLEN llegal buffer length"; break;
240 case 0x03: s = "NRC_ILLCMD illegal command"; break;
241 case 0x05: s = "NRC_CMDTMO command timed out"; break;
242 case 0x06: s = "NRC_INCOMP message incomplete, issue another command"; break;
243 case 0x07: s = "NRC_BADDR illegal buffer address"; break;
244 case 0x08: s = "NRC_SNUMOUT session number out of range"; break;
245 case 0x09: s = "NRC_NORES no resource available"; break;
246 case 0x0a: s = "NRC_SCLOSED asession closed"; break;
247 case 0x0b: s = "NRC_CMDCAN command cancelled"; break;
248 case 0x0d: s = "NRC_DUPNAME duplicate name"; break;
249 case 0x0e: s = "NRC_NAMTFUL name table full"; break;
250 case 0x0f: s = "NRC_ACTSES no deletions, name has active sessions"; break;
251 case 0x11: s = "NRC_LOCTFUL local session table full"; break;
252 case 0x12: s = "NRC_REMTFUL remote session table full"; break;
253 case 0x13: s = "NRC_ILLNN illegal name number"; break;
254 case 0x14: s = "NRC_NOCALL no callname"; break;
255 case 0x15: s = "NRC_NOWILD cannot put * in NCB_NAME"; break;
256 case 0x16: s = "NRC_INUSE name in use on remote adapter"; break;
257 case 0x17: s = "NRC_NAMERR name deleted"; break;
258 case 0x18: s = "NRC_SABORT session ended abnormally"; break;
259 case 0x19: s = "NRC_NAMCONF name conflict detected"; break;
260 case 0x21: s = "NRC_IFBUSY interface busy, IRET before retrying"; break;
261 case 0x22: s = "NRC_TOOMANY too many commands outstanding, retry later";break;
262 case 0x23: s = "NRC_BRIDGE ncb_lana_num field invalid"; break;
263 case 0x24: s = "NRC_CANOCCR command completed while cancel occurring "; break;
264 case 0x26: s = "NRC_CANCEL command not valid to cancel"; break;
265 case 0x30: s = "NRC_DUPENV name defined by anther local process"; break;
266 case 0x34: s = "NRC_ENVNOTDEF xenvironment undefined. RESET required"; break;
267 case 0x35: s = "NRC_OSRESNOTAV required OS resources exhausted"; break;
268 case 0x36: s = "NRC_MAXAPPS max number of applications exceeded"; break;
269 case 0x37: s = "NRC_NOSAPS no saps available for netbios"; break;
270 case 0x38: s = "NRC_NORESOURCES requested resources are not available"; break;
271 case 0x39: s = "NRC_INVADDRESS invalid ncb address or length > segment"; break;
272 case 0x3B: s = "NRC_INVDDID invalid NCB DDID"; break;
273 case 0x3C: s = "NRC_LOCKFAILlock of user area failed"; break;
274 case 0x3f: s = "NRC_OPENERR NETBIOS not loaded"; break;
275 case 0x40: s = "NRC_SYSTEM system error"; break;
276 default: s = "unknown error";
282 char * myCrt_Dispatch(int i)
287 return "(00)ReceiveCoreMakeDir";
289 return "(01)ReceiveCoreRemoveDir";
291 return "(02)ReceiveCoreOpen";
293 return "(03)ReceiveCoreCreate";
295 return "(04)ReceiveCoreClose";
297 return "(05)ReceiveCoreFlush";
299 return "(06)ReceiveCoreUnlink";
301 return "(07)ReceiveCoreRename";
303 return "(08)ReceiveCoreGetFileAttributes";
305 return "(09)ReceiveCoreSetFileAttributes";
307 return "(0a)ReceiveCoreRead";
309 return "(0b)ReceiveCoreWrite";
311 return "(0c)ReceiveCoreLockRecord";
313 return "(0d)ReceiveCoreUnlockRecord";
315 return "(0e)SendCoreBadOp";
317 return "(0f)ReceiveCoreCreate";
319 return "(10)ReceiveCoreCheckPath";
321 return "(11)SendCoreBadOp";
323 return "(12)ReceiveCoreSeek";
325 return "(1a)ReceiveCoreReadRaw";
327 return "(1d)ReceiveCoreWriteRawDummy";
329 return "(22)ReceiveV3SetAttributes";
331 return "(23)ReceiveV3GetAttributes";
333 return "(24)ReceiveV3LockingX";
335 return "(25)ReceiveV3Trans";
337 return "(26)ReceiveV3Trans[aux]";
339 return "(29)SendCoreBadOp";
341 return "(2b)ReceiveCoreEcho";
343 return "(2d)ReceiveV3OpenX";
345 return "(2e)ReceiveV3ReadX";
347 return "(2f)ReceiveV3WriteX";
349 return "(32)ReceiveV3Tran2A";
351 return "(33)ReceiveV3Tran2A[aux]";
353 return "(34)ReceiveV3FindClose";
355 return "(35)ReceiveV3FindNotifyClose";
357 return "(70)ReceiveCoreTreeConnect";
359 return "(71)ReceiveCoreTreeDisconnect";
361 return "(72)ReceiveNegotiate";
363 return "(73)ReceiveV3SessionSetupX";
365 return "(74)ReceiveV3UserLogoffX";
367 return "(75)ReceiveV3TreeConnectX";
369 return "(80)ReceiveCoreGetDiskAttributes";
371 return "(81)ReceiveCoreSearchDir";
375 return "(83)FindUnique";
377 return "(84)FindClose";
379 return "(A0)ReceiveNTTransact";
381 return "(A2)ReceiveNTCreateX";
383 return "(A4)ReceiveNTCancel";
385 return "(A5)ReceiveNTRename";
387 return "(C0)OpenPrintFile";
389 return "(C1)WritePrintFile";
391 return "(C2)ClosePrintFile";
393 return "(C3)GetPrintQueue";
395 return "(D8)ReadBulk";
397 return "(D9)WriteBulk";
399 return "(DA)WriteBulkData";
401 return "unknown SMB op";
405 char * myCrt_2Dispatch(int i)
410 return "unknown SMB op-2";
412 return "S(00)CreateFile_ReceiveTran2Open";
414 return "S(01)FindFirst_ReceiveTran2SearchDir";
416 return "S(02)FindNext_ReceiveTran2SearchDir"; /* FindNext */
418 return "S(03)QueryFileSystem_ReceiveTran2QFSInfo";
420 return "S(04)SetFileSystem_ReceiveTran2SetFSInfo";
422 return "S(05)QueryPathInfo_ReceiveTran2QPathInfo";
424 return "S(06)SetPathInfo_ReceiveTran2SetPathInfo";
426 return "S(07)QueryFileInfo_ReceiveTran2QFileInfo";
428 return "S(08)SetFileInfo_ReceiveTran2SetFileInfo";
430 return "S(09)_ReceiveTran2FSCTL";
432 return "S(0a)_ReceiveTran2IOCTL";
434 return "S(0b)_ReceiveTran2FindNotifyFirst";
436 return "S(0c)_ReceiveTran2FindNotifyNext";
438 return "S(0d)_ReceiveTran2CreateDirectory";
440 return "S(0e)_ReceiveTran2SessionSetup";
442 return "S(0f)_QueryFileSystemInformationFid";
444 return "S(10)_ReceiveTran2GetDfsReferral";
446 return "S(11)_ReceiveTran2ReportDfsInconsistency";
450 char * myCrt_RapDispatch(int i)
455 return "unknown RAP OP";
457 return "RAP(0)NetShareEnum";
459 return "RAP(1)NetShareGetInfo";
461 return "RAP(13)NetServerGetInfo";
463 return "RAP(63)NetWkStaGetInfo";
467 /* scache must be locked */
468 unsigned int smb_Attributes(cm_scache_t *scp)
472 if ( scp->fileType == CM_SCACHETYPE_DIRECTORY ||
473 scp->fileType == CM_SCACHETYPE_MOUNTPOINT ||
474 scp->fileType == CM_SCACHETYPE_INVALID)
476 attrs = SMB_ATTR_DIRECTORY;
477 #ifdef SPECIAL_FOLDERS
478 attrs |= SMB_ATTR_SYSTEM; /* FILE_ATTRIBUTE_SYSTEM */
479 #endif /* SPECIAL_FOLDERS */
480 } else if (scp->fileType == CM_SCACHETYPE_DFSLINK) {
481 attrs = SMB_ATTR_DIRECTORY | SMB_ATTR_SPARSE_FILE;
486 * We used to mark a file RO if it was in an RO volume, but that
487 * turns out to be impolitic in NT. See defect 10007.
490 if ((scp->unixModeBits & 0222) == 0 || (scp->flags & CM_SCACHEFLAG_RO))
491 attrs |= SMB_ATTR_READONLY; /* turn on read-only flag */
493 if ((scp->unixModeBits & 0222) == 0)
494 attrs |= SMB_ATTR_READONLY; /* turn on read-only flag */
500 /* Check if the named file/dir is a dotfile/dotdir */
501 /* String pointed to by lastComp can have leading slashes, but otherwise should have
502 no other patch components */
503 unsigned int smb_IsDotFile(clientchar_t *lastComp) {
507 /* skip over slashes */
508 for(s=lastComp;*s && (*s == '\\' || *s == '/'); s++);
513 /* nulls, curdir and parent dir doesn't count */
519 if(*(s+1) == _C('.') && !*(s + 2))
526 static int ExtractBits(WORD bits, short start, short len)
533 num = bits << (16 - end);
534 num = num >> ((16 - end) + start);
539 void ShowUnixTime(char *FuncName, time_t unixTime)
544 smb_LargeSearchTimeFromUnixTime(&ft, unixTime);
546 if (!FileTimeToDosDateTime(&ft, &wDate, &wTime))
547 osi_Log1(smb_logp, "Failed to convert filetime to dos datetime: %d", GetLastError());
549 int day, month, year, sec, min, hour;
552 day = ExtractBits(wDate, 0, 5);
553 month = ExtractBits(wDate, 5, 4);
554 year = ExtractBits(wDate, 9, 7) + 1980;
556 sec = ExtractBits(wTime, 0, 5);
557 min = ExtractBits(wTime, 5, 6);
558 hour = ExtractBits(wTime, 11, 5);
560 sprintf(msg, "%s = %02d-%02d-%04d %02d:%02d:%02d", FuncName, month, day, year, hour, min, sec);
561 osi_Log1(smb_logp, "%s", osi_LogSaveString(smb_logp, msg));
565 /* Determine if we are observing daylight savings time */
566 void GetTimeZoneInfo(BOOL *pDST, LONG *pDstBias, LONG *pBias)
568 TIME_ZONE_INFORMATION timeZoneInformation;
569 SYSTEMTIME utc, local, localDST;
571 /* Get the time zone info. NT uses this to calc if we are in DST. */
572 GetTimeZoneInformation(&timeZoneInformation);
574 /* Return the daylight bias */
575 *pDstBias = timeZoneInformation.DaylightBias;
577 /* Return the bias */
578 *pBias = timeZoneInformation.Bias;
580 /* Now determine if DST is being observed */
582 /* Get the UTC (GMT) time */
585 /* Convert UTC time to local time using the time zone info. If we are
586 observing DST, the calculated local time will include this.
588 SystemTimeToTzSpecificLocalTime(&timeZoneInformation, &utc, &localDST);
590 /* Set the daylight bias to 0. The daylight bias is the amount of change
591 * in time that we use for daylight savings time. By setting this to 0
592 * we cause there to be no change in time during daylight savings time.
594 timeZoneInformation.DaylightBias = 0;
596 /* Convert the utc time to local time again, but this time without any
597 adjustment for daylight savings time.
599 SystemTimeToTzSpecificLocalTime(&timeZoneInformation, &utc, &local);
601 /* If the two times are different, then it means that the localDST that
602 we calculated includes the daylight bias, and therefore we are
603 observing daylight savings time.
605 *pDST = localDST.wHour != local.wHour;
609 void CompensateForSmbClientLastWriteTimeBugs(afs_uint32 *pLastWriteTime)
611 BOOL dst; /* Will be TRUE if observing DST */
612 LONG dstBias; /* Offset from local time if observing DST */
613 LONG bias; /* Offset from GMT for local time */
616 * This function will adjust the last write time to compensate
617 * for two bugs in the smb client:
619 * 1) During Daylight Savings Time, the LastWriteTime is ahead
620 * in time by the DaylightBias (ignoring the sign - the
621 * DaylightBias is always stored as a negative number). If
622 * the DaylightBias is -60, then the LastWriteTime will be
623 * ahead by 60 minutes.
625 * 2) If the local time zone is a positive offset from GMT, then
626 * the LastWriteTime will be the correct local time plus the
627 * Bias (ignoring the sign - a positive offset from GMT is
628 * always stored as a negative Bias). If the Bias is -120,
629 * then the LastWriteTime will be ahead by 120 minutes.
631 * These bugs can occur at the same time.
634 GetTimeZoneInfo(&dst, &dstBias, &bias);
636 /* First adjust for DST */
638 *pLastWriteTime -= (-dstBias * 60); /* Convert dstBias to seconds */
640 /* Now adjust for a positive offset from GMT (a negative bias). */
642 *pLastWriteTime -= (-bias * 60); /* Convert bias to seconds */
645 #ifndef USE_NUMERIC_TIME_CONV
647 * Calculate the difference (in seconds) between local time and GMT.
648 * This enables us to convert file times to kludge-GMT.
654 struct tm gmt_tm, local_tm;
655 int days, hours, minutes, seconds;
658 gmt_tm = *(gmtime(&t));
659 local_tm = *(localtime(&t));
661 days = local_tm.tm_yday - gmt_tm.tm_yday;
662 hours = 24 * days + local_tm.tm_hour - gmt_tm.tm_hour;
663 minutes = 60 * hours + local_tm.tm_min - gmt_tm.tm_min;
664 seconds = 60 * minutes + local_tm.tm_sec - gmt_tm.tm_sec;
668 #endif /* USE_NUMERIC_TIME_CONV */
670 #ifdef USE_NUMERIC_TIME_CONV
671 void smb_LargeSearchTimeFromUnixTime(FILETIME *largeTimep, time_t unixTime)
673 // Note that LONGLONG is a 64-bit value
676 ll = Int32x32To64(unixTime, 10000000) + 116444736000000000;
677 largeTimep->dwLowDateTime = (DWORD)(ll & 0xFFFFFFFF);
678 largeTimep->dwHighDateTime = (DWORD)(ll >> 32);
681 void smb_LargeSearchTimeFromUnixTime(FILETIME *largeTimep, time_t unixTime)
686 time_t ersatz_unixTime;
689 * Must use kludge-GMT instead of real GMT.
690 * kludge-GMT is computed by adding time zone difference to localtime.
693 * ltp = gmtime(&unixTime);
695 ersatz_unixTime = unixTime - smb_NowTZ;
696 ltp = localtime(&ersatz_unixTime);
698 /* if we fail, make up something */
701 localJunk.tm_year = 89 - 20;
702 localJunk.tm_mon = 4;
703 localJunk.tm_mday = 12;
704 localJunk.tm_hour = 0;
705 localJunk.tm_min = 0;
706 localJunk.tm_sec = 0;
709 stm.wYear = ltp->tm_year + 1900;
710 stm.wMonth = ltp->tm_mon + 1;
711 stm.wDayOfWeek = ltp->tm_wday;
712 stm.wDay = ltp->tm_mday;
713 stm.wHour = ltp->tm_hour;
714 stm.wMinute = ltp->tm_min;
715 stm.wSecond = ltp->tm_sec;
716 stm.wMilliseconds = 0;
718 SystemTimeToFileTime(&stm, largeTimep);
720 #endif /* USE_NUMERIC_TIME_CONV */
722 #ifdef USE_NUMERIC_TIME_CONV
723 void smb_UnixTimeFromLargeSearchTime(time_t *unixTimep, FILETIME *largeTimep)
725 // Note that LONGLONG is a 64-bit value
728 ll = largeTimep->dwHighDateTime;
730 ll += largeTimep->dwLowDateTime;
732 ll -= 116444736000000000;
735 *unixTimep = (DWORD)ll;
737 #else /* USE_NUMERIC_TIME_CONV */
738 void smb_UnixTimeFromLargeSearchTime(time_t *unixTimep, FILETIME *largeTimep)
744 FileTimeToSystemTime(largeTimep, &stm);
746 lt.tm_year = stm.wYear - 1900;
747 lt.tm_mon = stm.wMonth - 1;
748 lt.tm_wday = stm.wDayOfWeek;
749 lt.tm_mday = stm.wDay;
750 lt.tm_hour = stm.wHour;
751 lt.tm_min = stm.wMinute;
752 lt.tm_sec = stm.wSecond;
755 save_timezone = _timezone;
756 _timezone += smb_NowTZ;
757 *unixTimep = mktime(<);
758 _timezone = save_timezone;
760 #endif /* USE_NUMERIC_TIME_CONV */
762 void smb_SearchTimeFromUnixTime(afs_uint32 *searchTimep, time_t unixTime)
772 /* if we fail, make up something */
775 localJunk.tm_year = 89 - 20;
776 localJunk.tm_mon = 4;
777 localJunk.tm_mday = 12;
778 localJunk.tm_hour = 0;
779 localJunk.tm_min = 0;
780 localJunk.tm_sec = 0;
783 dosDate = ((ltp->tm_year-80)<<9) | ((ltp->tm_mon+1) << 5) | (ltp->tm_mday);
784 dosTime = (ltp->tm_hour<<11) | (ltp->tm_min << 5) | (ltp->tm_sec / 2);
785 *searchTimep = (dosDate<<16) | dosTime;
788 void smb_UnixTimeFromSearchTime(time_t *unixTimep, afs_uint32 searchTime)
790 unsigned short dosDate;
791 unsigned short dosTime;
794 dosDate = (unsigned short) (searchTime & 0xffff);
795 dosTime = (unsigned short) ((searchTime >> 16) & 0xffff);
797 localTm.tm_year = 80 + ((dosDate>>9) & 0x3f);
798 localTm.tm_mon = ((dosDate >> 5) & 0xf) - 1; /* January is 0 in localTm */
799 localTm.tm_mday = (dosDate) & 0x1f;
800 localTm.tm_hour = (dosTime>>11) & 0x1f;
801 localTm.tm_min = (dosTime >> 5) & 0x3f;
802 localTm.tm_sec = (dosTime & 0x1f) * 2;
803 localTm.tm_isdst = -1; /* compute whether DST in effect */
805 *unixTimep = mktime(&localTm);
808 void smb_DosUTimeFromUnixTime(afs_uint32 *dosUTimep, time_t unixTime)
810 time_t diff_t = unixTime - smb_localZero;
811 #if defined(DEBUG) && !defined(_USE_32BIT_TIME_T)
812 osi_assertx(diff_t < _UI32_MAX, "time_t > _UI32_MAX");
814 *dosUTimep = (afs_uint32)diff_t;
817 void smb_UnixTimeFromDosUTime(time_t *unixTimep, afs_uint32 dosTime)
819 *unixTimep = dosTime + smb_localZero;
822 #ifdef DEBUG_SMB_REFCOUNT
823 smb_vc_t *smb_FindVCDbg(unsigned short lsn, int flags, int lana, char *file, long line)
825 smb_vc_t *smb_FindVC(unsigned short lsn, int flags, int lana)
830 lock_ObtainWrite(&smb_globalLock); /* for numVCs */
831 lock_ObtainWrite(&smb_rctLock);
832 for (vcp = smb_allVCsp; vcp; vcp=vcp->nextp) {
833 if (vcp->magic != SMB_VC_MAGIC)
834 osi_panic("afsd: invalid smb_vc_t detected in smb_allVCsp",
837 if (lsn == vcp->lsn && lana == vcp->lana &&
838 !(vcp->flags & SMB_VCFLAG_ALREADYDEAD)) {
839 smb_HoldVCNoLock(vcp);
843 if (!vcp && (flags & SMB_FLAG_CREATE)) {
844 vcp = malloc(sizeof(*vcp));
845 memset(vcp, 0, sizeof(*vcp));
846 vcp->vcID = ++numVCs;
847 vcp->magic = SMB_VC_MAGIC;
848 vcp->refCount = 2; /* smb_allVCsp and caller */
851 vcp->uidCounter = 1; /* UID 0 is reserved for blank user */
852 vcp->nextp = smb_allVCsp;
854 lock_InitializeMutex(&vcp->mx, "vc_t mutex", LOCK_HIERARCHY_SMB_VC);
859 if (smb_authType == SMB_AUTH_NTLM || smb_authType == SMB_AUTH_EXTENDED) {
860 /* We must obtain a challenge for extended auth
861 * in case the client negotiates smb v3
863 NTSTATUS nts = STATUS_UNSUCCESSFUL, ntsEx = STATUS_UNSUCCESSFUL;
864 MSV1_0_LM20_CHALLENGE_REQUEST lsaReq;
865 PMSV1_0_LM20_CHALLENGE_RESPONSE lsaResp = NULL;
866 ULONG lsaRespSize = 0;
868 lsaReq.MessageType = MsV1_0Lm20ChallengeRequest;
870 nts = LsaCallAuthenticationPackage( smb_lsaHandle,
877 if (nts != STATUS_SUCCESS || ntsEx != STATUS_SUCCESS) {
878 osi_Log4(smb_logp,"MsV1_0Lm20ChallengeRequest failure: nts 0x%x ntsEx 0x%x respSize is %u needs %u",
879 nts, ntsEx, sizeof(lsaReq), lsaRespSize);
880 afsi_log("MsV1_0Lm20ChallengeRequest failure: nts 0x%x ntsEx 0x%x respSize %u",
881 nts, ntsEx, lsaRespSize);
883 osi_assertx(nts == STATUS_SUCCESS, "LsaCallAuthenticationPackage failed"); /* this had better work! */
885 if (ntsEx == STATUS_SUCCESS) {
886 memcpy(vcp->encKey, lsaResp->ChallengeToClient, MSV1_0_CHALLENGE_LENGTH);
889 * This will cause the subsequent authentication to fail but
890 * that is better than us dereferencing a NULL pointer and
893 memset(vcp->encKey, 0, MSV1_0_CHALLENGE_LENGTH);
896 LsaFreeReturnBuffer(lsaResp);
899 memset(vcp->encKey, 0, MSV1_0_CHALLENGE_LENGTH);
901 if (numVCs >= CM_SESSION_RESERVED) {
903 osi_Log0(smb_logp, "WARNING: numVCs wrapping around");
906 #ifdef DEBUG_SMB_REFCOUNT
908 afsi_log("%s:%d smb_FindVC vcp 0x%p ref %d", file, line, vcp, vcp->refCount);
909 osi_Log4(smb_logp,"%s:%d smb_FindVC vcp 0x%p ref %d", file, line, vcp, vcp->refCount);
912 lock_ReleaseWrite(&smb_rctLock);
913 lock_ReleaseWrite(&smb_globalLock);
917 static int smb_Is8Dot3StarMask(clientchar_t *maskp)
922 for(i=0; i<11; i++) {
924 if (tc == _C('?') || tc == _C('*') || tc == _C('>'))
930 static int smb_IsStarMask(clientchar_t *maskp)
936 if (tc == _C('?') || tc == _C('*') || tc == _C('>'))
942 #ifdef DEBUG_SMB_REFCOUNT
943 void smb_ReleaseVCInternalDbg(smb_vc_t *vcp, char * file, long line)
944 #define smb_ReleaseVCInternal(a) smb_ReleaseVCInternalDbg(a, file, line)
946 void smb_ReleaseVCInternal(smb_vc_t *vcp)
952 lock_AssertWrite(&smb_rctLock);
955 if (vcp->refCount == 0) {
956 if (vcp->flags & SMB_VCFLAG_ALREADYDEAD) {
957 #ifdef DEBUG_SMB_REFCOUNT
958 afsi_log("%s:%d smb_ReleaseVCInternal vcp 0x%p is dead ref %d", file, line, vcp, vcp->refCount);
959 osi_Log4(smb_logp,"%s:%d smb_ReleaseVCInternal vcp 0x%p is dead ref %d", file, line, vcp, vcp->refCount);
961 /* remove VCP from smb_deadVCsp */
962 for (vcpp = &smb_deadVCsp; *vcpp; vcpp = &((*vcpp)->nextp)) {
968 lock_FinalizeMutex(&vcp->mx);
969 memset(vcp,0,sizeof(smb_vc_t));
972 #ifdef DEBUG_SMB_REFCOUNT
973 afsi_log("%s:%d smb_ReleaseVCInternal vcp 0x%p is alive ref %d", file, line, vcp, vcp->refCount);
975 for (avcp = smb_allVCsp; avcp; avcp = avcp->nextp) {
979 osi_Log3(smb_logp,"VCP not dead and %sin smb_allVCsp vcp %x ref %d",
980 avcp?"":"not ",vcp, vcp->refCount);
982 /* This is a wrong. However, I suspect that there is an undercount
983 * and I don't want to release 1.4.1 in a state that will allow
984 * smb_vc_t objects to be deallocated while still in the
985 * smb_allVCsp list. The list is supposed to keep a reference
986 * to the smb_vc_t. Put it back.
990 #ifdef DEBUG_SMB_REFCOUNT
991 afsi_log("%s:%d smb_ReleaseVCInternal vcp 0x%p is in smb_allVCsp ref %d", file, line, vcp, vcp->refCount);
992 osi_Log4(smb_logp,"%s:%d smb_ReleaseVCInternal vcp 0x%p is in smb_allVCsp ref %d", file, line, vcp, vcp->refCount);
996 } else if (vcp->flags & SMB_VCFLAG_ALREADYDEAD) {
997 /* The reference count is non-zero but the VC is dead.
998 * This implies that some FIDs, TIDs, etc on the VC have yet to
999 * be cleaned up. If we were not called by smb_CleanupDeadVC(),
1000 * add a reference that will be dropped by
1001 * smb_CleanupDeadVC() and try to cleanup the VC again.
1002 * Eventually the refCount will drop to zero when all of the
1003 * active threads working with the VC end their task.
1005 if (!(vcp->flags & SMB_VCFLAG_CLEAN_IN_PROGRESS)) {
1006 vcp->refCount++; /* put the refCount back */
1007 lock_ReleaseWrite(&smb_rctLock);
1008 smb_CleanupDeadVC(vcp);
1009 #ifdef DEBUG_SMB_REFCOUNT
1010 afsi_log("%s:%d smb_ReleaseVCInternal vcp 0x%p after CleanupDeadVC ref %d", file, line, vcp, vcp->refCount);
1011 osi_Log4(smb_logp,"%s:%d smb_ReleaseVCInternal vcp 0x%p after CleanupDeadVC ref %d", file, line, vcp, vcp->refCount);
1013 lock_ObtainWrite(&smb_rctLock);
1016 #ifdef DEBUG_SMB_REFCOUNT
1017 afsi_log("%s:%d smb_ReleaseVCInternal vcp 0x%p ref %d", file, line, vcp, vcp->refCount);
1018 osi_Log4(smb_logp,"%s:%d smb_ReleaseVCInternal vcp 0x%p ref %d", file, line, vcp, vcp->refCount);
1023 #ifdef DEBUG_SMB_REFCOUNT
1024 void smb_ReleaseVCNoLockDbg(smb_vc_t *vcp, char * file, long line)
1026 void smb_ReleaseVCNoLock(smb_vc_t *vcp)
1029 lock_AssertWrite(&smb_rctLock);
1030 osi_Log2(smb_logp,"smb_ReleaseVCNoLock vcp %x ref %d",vcp, vcp->refCount);
1031 smb_ReleaseVCInternal(vcp);
1034 #ifdef DEBUG_SMB_REFCOUNT
1035 void smb_ReleaseVCDbg(smb_vc_t *vcp, char * file, long line)
1037 void smb_ReleaseVC(smb_vc_t *vcp)
1040 lock_ObtainWrite(&smb_rctLock);
1041 osi_Log2(smb_logp,"smb_ReleaseVC vcp %x ref %d",vcp, vcp->refCount);
1042 smb_ReleaseVCInternal(vcp);
1043 lock_ReleaseWrite(&smb_rctLock);
1046 #ifdef DEBUG_SMB_REFCOUNT
1047 void smb_HoldVCNoLockDbg(smb_vc_t *vcp, char * file, long line)
1049 void smb_HoldVCNoLock(smb_vc_t *vcp)
1052 lock_AssertWrite(&smb_rctLock);
1054 #ifdef DEBUG_SMB_REFCOUNT
1055 afsi_log("%s:%d smb_HoldVCNoLock vcp 0x%p ref %d", file, line, vcp, vcp->refCount);
1056 osi_Log4(smb_logp,"%s:%d smb_HoldVCNoLock vcp 0x%p ref %d", file, line, vcp, vcp->refCount);
1058 osi_Log2(smb_logp,"smb_HoldVCNoLock vcp %x ref %d",vcp, vcp->refCount);
1062 #ifdef DEBUG_SMB_REFCOUNT
1063 void smb_HoldVCDbg(smb_vc_t *vcp, char * file, long line)
1065 void smb_HoldVC(smb_vc_t *vcp)
1068 lock_ObtainWrite(&smb_rctLock);
1070 #ifdef DEBUG_SMB_REFCOUNT
1071 afsi_log("%s:%d smb_HoldVC vcp 0x%p ref %d", file, line, vcp, vcp->refCount);
1072 osi_Log4(smb_logp,"%s:%d smb_HoldVC vcp 0x%p ref %d", file, line, vcp, vcp->refCount);
1074 osi_Log2(smb_logp,"smb_HoldVC vcp %x ref %d",vcp, vcp->refCount);
1076 lock_ReleaseWrite(&smb_rctLock);
1079 void smb_CleanupDeadVC(smb_vc_t *vcp)
1081 smb_fid_t *fidpIter;
1082 smb_fid_t *fidpNext;
1084 smb_tid_t *tidpIter;
1085 smb_tid_t *tidpNext;
1087 smb_user_t *uidpIter;
1088 smb_user_t *uidpNext;
1090 afs_uint32 refCount = 0;
1092 lock_ObtainMutex(&vcp->mx);
1093 if (vcp->flags & SMB_VCFLAG_CLEAN_IN_PROGRESS) {
1094 lock_ReleaseMutex(&vcp->mx);
1095 osi_Log1(smb_logp, "Clean of dead vcp 0x%x in progress", vcp);
1098 vcp->flags |= SMB_VCFLAG_CLEAN_IN_PROGRESS;
1099 lock_ReleaseMutex(&vcp->mx);
1100 osi_Log1(smb_logp, "Cleaning up dead vcp 0x%x", vcp);
1102 lock_ObtainWrite(&smb_rctLock);
1103 /* remove VCP from smb_allVCsp */
1104 for (vcpp = &smb_allVCsp; *vcpp; vcpp = &((*vcpp)->nextp)) {
1105 if ((*vcpp)->magic != SMB_VC_MAGIC)
1106 osi_panic("afsd: invalid smb_vc_t detected in smb_allVCsp",
1107 __FILE__, __LINE__);
1110 vcp->nextp = smb_deadVCsp;
1112 /* Hold onto the reference until we are done with this function */
1117 for (fidpIter = vcp->fidsp; fidpIter; fidpIter = fidpNext) {
1118 fidpNext = (smb_fid_t *) osi_QNext(&fidpIter->q);
1120 if (fidpIter->deleteOk)
1123 fid = fidpIter->fid;
1124 osi_Log2(smb_logp, " Cleanup FID %d (fidp=0x%x)", fid, fidpIter);
1126 smb_HoldFIDNoLock(fidpIter);
1127 lock_ReleaseWrite(&smb_rctLock);
1129 smb_CloseFID(vcp, fidpIter, NULL, 0);
1130 smb_ReleaseFID(fidpIter);
1132 lock_ObtainWrite(&smb_rctLock);
1133 fidpNext = vcp->fidsp;
1136 for (tidpIter = vcp->tidsp; tidpIter; tidpIter = tidpNext) {
1137 tidpNext = tidpIter->nextp;
1138 if (tidpIter->deleteOk)
1140 tidpIter->deleteOk = 1;
1142 tid = tidpIter->tid;
1143 osi_Log2(smb_logp, " Cleanup TID %d (tidp=0x%x)", tid, tidpIter);
1145 smb_HoldTIDNoLock(tidpIter);
1146 smb_ReleaseTID(tidpIter, TRUE);
1147 tidpNext = vcp->tidsp;
1150 for (uidpIter = vcp->usersp; uidpIter; uidpIter = uidpNext) {
1151 uidpNext = uidpIter->nextp;
1152 if (uidpIter->deleteOk)
1154 uidpIter->deleteOk = 1;
1156 /* do not add an additional reference count for the smb_user_t
1157 * as the smb_vc_t already is holding a reference */
1158 lock_ReleaseWrite(&smb_rctLock);
1160 smb_ReleaseUID(uidpIter);
1162 lock_ObtainWrite(&smb_rctLock);
1163 uidpNext = vcp->usersp;
1166 /* The vcp is now on the deadVCsp list. We intentionally drop the
1167 * reference so that the refcount can reach 0 and we can delete it
1169 * If the refCount == 1 going into the ReleaseVCNoLock call
1170 * the object will be freed and it won't be safe to clear
1173 refCount = vcp->refCount;
1174 smb_ReleaseVCNoLock(vcp);
1176 lock_ObtainMutex(&vcp->mx);
1177 vcp->flags &= ~SMB_VCFLAG_CLEAN_IN_PROGRESS;
1178 lock_ReleaseMutex(&vcp->mx);
1181 lock_ReleaseWrite(&smb_rctLock);
1182 osi_Log1(smb_logp, "Finished cleaning up dead vcp 0x%x", vcp);
1185 #ifdef DEBUG_SMB_REFCOUNT
1186 smb_tid_t *smb_FindTIDDbg(smb_vc_t *vcp, unsigned short tid, int flags, char * file, long line)
1188 smb_tid_t *smb_FindTID(smb_vc_t *vcp, unsigned short tid, int flags)
1193 lock_ObtainWrite(&smb_rctLock);
1195 for (tidp = vcp->tidsp; tidp; tidp = tidp->nextp) {
1196 if (tidp->refCount == 0 && tidp->deleteOk) {
1198 smb_ReleaseTID(tidp, TRUE);
1202 if (tid == tidp->tid) {
1207 if (!tidp && (flags & SMB_FLAG_CREATE)) {
1208 tidp = malloc(sizeof(*tidp));
1209 memset(tidp, 0, sizeof(*tidp));
1210 tidp->nextp = vcp->tidsp;
1213 smb_HoldVCNoLock(vcp);
1215 lock_InitializeMutex(&tidp->mx, "tid_t mutex", LOCK_HIERARCHY_SMB_TID);
1218 #ifdef DEBUG_SMB_REFCOUNT
1220 afsi_log("%s:%d smb_FindTID tidp 0x%p ref %d", file, line, tidp, tidp->refCount);
1221 osi_Log4(smb_logp,"%s:%d smb_FindTID tidp 0x%p ref %d", file, line, tidp, tidp->refCount);
1224 lock_ReleaseWrite(&smb_rctLock);
1228 #ifdef DEBUG_SMB_REFCOUNT
1229 void smb_HoldTIDNoLockDbg(smb_tid_t *tidp, char * file, long line)
1231 void smb_HoldTIDNoLock(smb_tid_t *tidp)
1234 lock_AssertWrite(&smb_rctLock);
1236 #ifdef DEBUG_SMB_REFCOUNT
1237 afsi_log("%s:%d smb_HoldTIDNoLock tidp 0x%p ref %d", file, line, tidp, tidp->refCount);
1238 osi_Log4(smb_logp,"%s:%d smb_HoldTIDNoLock tidp 0x%p ref %d", file, line, tidp, tidp->refCount);
1242 #ifdef DEBUG_SMB_REFCOUNT
1243 void smb_ReleaseTIDDbg(smb_tid_t *tidp, afs_uint32 locked, char *file, long line)
1245 void smb_ReleaseTID(smb_tid_t *tidp, afs_uint32 locked)
1250 cm_user_t *userp = NULL;
1251 smb_vc_t *vcp = NULL;
1254 lock_ObtainWrite(&smb_rctLock);
1256 lock_AssertWrite(&smb_rctLock);
1258 osi_assertx(tidp->refCount-- > 0, "smb_tid_t refCount 0");
1259 #ifdef DEBUG_SMB_REFCOUNT
1260 afsi_log("%s:%d smb_ReleaseTID tidp 0x%p ref %d deleteOk %d", file, line, tidp, tidp->refCount, tidp->deleteOk);
1261 osi_Log5(smb_logp,"%s:%d smb_ReleaseTID tidp 0x%p ref %d deleteOk %d", file, line, tidp, tidp->refCount, tidp->deleteOk);
1263 if (tidp->refCount == 0) {
1264 if (tidp->deleteOk) {
1265 ltpp = &tidp->vcp->tidsp;
1266 for(tp = *ltpp; tp; ltpp = &tp->nextp, tp = *ltpp) {
1270 osi_assertx(tp != NULL, "null smb_tid_t");
1272 lock_FinalizeMutex(&tidp->mx);
1273 userp = tidp->userp; /* remember to drop ref later */
1281 lock_ReleaseWrite(&smb_rctLock);
1283 cm_ReleaseUser(userp);
1285 smb_ReleaseVCNoLock(vcp);
1288 smb_user_t *smb_FindUID(smb_vc_t *vcp, unsigned short uid, int flags)
1290 smb_user_t *uidp = NULL;
1292 lock_ObtainWrite(&smb_rctLock);
1293 for(uidp = vcp->usersp; uidp; uidp = uidp->nextp) {
1294 if (uid == uidp->userID) {
1296 osi_Log3(smb_logp, "smb_FindUID vcp[0x%p] found-uid[%d] name[%S]",
1298 ((uidp->unp)? osi_LogSaveClientString(smb_logp, uidp->unp->name):_C("")));
1302 if (!uidp && (flags & SMB_FLAG_CREATE)) {
1303 uidp = malloc(sizeof(*uidp));
1304 memset(uidp, 0, sizeof(*uidp));
1305 uidp->nextp = vcp->usersp;
1306 uidp->refCount = 2; /* one for the vcp and one for the caller */
1308 smb_HoldVCNoLock(vcp);
1310 lock_InitializeMutex(&uidp->mx, "user_t mutex", LOCK_HIERARCHY_SMB_UID);
1312 osi_Log3(smb_logp, "smb_FindUID vcp[0x%p] new-uid[%d] name[%S]",
1314 ((uidp->unp)?osi_LogSaveClientString(smb_logp,uidp->unp->name):_C("")));
1316 lock_ReleaseWrite(&smb_rctLock);
1320 smb_username_t *smb_FindUserByName(clientchar_t *usern, clientchar_t *machine,
1323 smb_username_t *unp= NULL;
1325 lock_ObtainWrite(&smb_rctLock);
1326 for(unp = usernamesp; unp; unp = unp->nextp) {
1327 if (cm_ClientStrCmpI(unp->name, usern) == 0 &&
1328 cm_ClientStrCmpI(unp->machine, machine) == 0) {
1333 if (!unp && (flags & SMB_FLAG_CREATE)) {
1334 unp = malloc(sizeof(*unp));
1335 memset(unp, 0, sizeof(*unp));
1337 unp->nextp = usernamesp;
1338 unp->name = cm_ClientStrDup(usern);
1339 unp->machine = cm_ClientStrDup(machine);
1341 lock_InitializeMutex(&unp->mx, "username_t mutex", LOCK_HIERARCHY_SMB_USERNAME);
1342 if (flags & SMB_FLAG_AFSLOGON)
1343 unp->flags = SMB_USERNAMEFLAG_AFSLOGON;
1346 lock_ReleaseWrite(&smb_rctLock);
1350 smb_user_t *smb_FindUserByNameThisSession(smb_vc_t *vcp, clientchar_t *usern)
1352 smb_user_t *uidp= NULL;
1354 lock_ObtainWrite(&smb_rctLock);
1355 for(uidp = vcp->usersp; uidp; uidp = uidp->nextp) {
1358 if (cm_stricmp_utf16(uidp->unp->name, usern) == 0) {
1360 osi_Log3(smb_logp,"smb_FindUserByNameThisSession vcp[0x%p] uid[%d] match-name[%S]",
1361 vcp,uidp->userID,osi_LogSaveClientString(smb_logp,usern));
1366 lock_ReleaseWrite(&smb_rctLock);
1370 void smb_ReleaseUsername(smb_username_t *unp)
1373 smb_username_t **lupp;
1374 cm_user_t *userp = NULL;
1375 time_t now = osi_Time();
1377 lock_ObtainWrite(&smb_rctLock);
1378 osi_assertx(unp->refCount-- > 0, "smb_username_t refCount 0");
1379 if (unp->refCount == 0 && !(unp->flags & SMB_USERNAMEFLAG_AFSLOGON) &&
1380 (unp->flags & SMB_USERNAMEFLAG_LOGOFF)) {
1382 for(up = *lupp; up; lupp = &up->nextp, up = *lupp) {
1386 osi_assertx(up != NULL, "null smb_username_t");
1388 up->nextp = NULL; /* do not remove this */
1389 lock_FinalizeMutex(&unp->mx);
1395 lock_ReleaseWrite(&smb_rctLock);
1397 cm_ReleaseUser(userp);
1400 void smb_HoldUIDNoLock(smb_user_t *uidp)
1402 lock_AssertWrite(&smb_rctLock);
1406 void smb_ReleaseUID(smb_user_t *uidp)
1410 smb_username_t *unp = NULL;
1412 lock_ObtainWrite(&smb_rctLock);
1413 osi_assertx(uidp->refCount-- > 0, "smb_user_t refCount 0");
1414 if (uidp->refCount == 0) {
1415 lupp = &uidp->vcp->usersp;
1416 for(up = *lupp; up; lupp = &up->nextp, up = *lupp) {
1420 osi_assertx(up != NULL, "null smb_user_t");
1422 lock_FinalizeMutex(&uidp->mx);
1424 smb_ReleaseVCNoLock(uidp->vcp);
1428 lock_ReleaseWrite(&smb_rctLock);
1432 cm_ReleaseUserVCRef(unp->userp);
1433 smb_ReleaseUsername(unp);
1437 cm_user_t *smb_GetUserFromUID(smb_user_t *uidp)
1439 cm_user_t *up = NULL;
1444 lock_ObtainMutex(&uidp->mx);
1446 up = uidp->unp->userp;
1449 lock_ReleaseMutex(&uidp->mx);
1455 /* retrieve a held reference to a user structure corresponding to an incoming
1457 * corresponding release function is cm_ReleaseUser.
1459 cm_user_t *smb_GetUserFromVCP(smb_vc_t *vcp, smb_packet_t *inp)
1462 cm_user_t *up = NULL;
1465 smbp = (smb_t *) inp;
1466 uidp = smb_FindUID(vcp, smbp->uid, 0);
1470 up = smb_GetUserFromUID(uidp);
1472 smb_ReleaseUID(uidp);
1477 * Return a pointer to a pathname extracted from a TID structure. The
1478 * TID structure is not held; assume it won't go away.
1480 long smb_LookupTIDPath(smb_vc_t *vcp, unsigned short tid, clientchar_t ** treepath)
1485 tidp = smb_FindTID(vcp, tid, 0);
1489 if (tidp->flags & SMB_TIDFLAG_IPC) {
1490 code = CM_ERROR_TIDIPC;
1491 /* tidp->pathname would be NULL, but that's fine */
1493 *treepath = tidp->pathname;
1494 smb_ReleaseTID(tidp, FALSE);
1499 /* check to see if we have a chained fid, that is, a fid that comes from an
1500 * OpenAndX message that ran earlier in this packet. In this case, the fid
1501 * field in a read, for example, request, isn't set, since the value is
1502 * supposed to be inherited from the openAndX call.
1504 int smb_ChainFID(int fid, smb_packet_t *inp)
1506 if (inp->fid == 0 || inp->inCount == 0)
1512 /* are we a priv'd user? What does this mean on NT? */
1513 int smb_SUser(cm_user_t *userp)
1518 /* find a file ID. If we pass in 0 we select an unused File ID.
1519 * If the SMB_FLAG_CREATE flag is set, we allocate a new
1520 * smb_fid_t data structure if desired File ID cannot be found.
1522 #ifdef DEBUG_SMB_REFCOUNT
1523 smb_fid_t *smb_FindFIDDbg(smb_vc_t *vcp, unsigned short fid, int flags, char *file, long line)
1525 smb_fid_t *smb_FindFID(smb_vc_t *vcp, unsigned short fid, int flags)
1531 if (fid == 0 && !(flags & SMB_FLAG_CREATE))
1534 lock_ObtainWrite(&smb_rctLock);
1535 /* figure out if we need to allocate a new file ID */
1538 fid = vcp->fidCounter;
1542 for(fidp = vcp->fidsp; fidp; fidp = (smb_fid_t *) osi_QNext(&fidp->q)) {
1543 if (fidp->refCount == 0 && fidp->deleteOk) {
1545 lock_ReleaseWrite(&smb_rctLock);
1546 smb_ReleaseFID(fidp);
1547 lock_ObtainWrite(&smb_rctLock);
1550 if (fid == fidp->fid) {
1553 if (fid == 0xFFFF) {
1555 "New FID number wraps on vcp 0x%x", vcp);
1565 if (!fidp && (flags & SMB_FLAG_CREATE)) {
1566 char eventName[MAX_PATH];
1568 sprintf(eventName,"fid_t event vcp=%d fid=%d", vcp->vcID, fid);
1569 event = thrd_CreateEvent(NULL, FALSE, TRUE, eventName);
1570 if ( GetLastError() == ERROR_ALREADY_EXISTS ) {
1571 osi_Log1(smb_logp, "Event Object Already Exists: %s", osi_LogSaveString(smb_logp, eventName));
1572 thrd_CloseHandle(event);
1574 if (fid == 0xFFFF) {
1575 osi_Log1(smb_logp, "New FID wraps around for vcp 0x%x", vcp);
1581 fidp = malloc(sizeof(*fidp));
1582 memset(fidp, 0, sizeof(*fidp));
1583 osi_QAdd((osi_queue_t **)&vcp->fidsp, &fidp->q);
1586 smb_HoldVCNoLock(vcp);
1587 lock_InitializeMutex(&fidp->mx, "fid_t mutex", LOCK_HIERARCHY_SMB_FID);
1589 fidp->curr_chunk = fidp->prev_chunk = -2;
1590 fidp->raw_write_event = event;
1592 vcp->fidCounter = fid+1;
1593 if (vcp->fidCounter == 0xFFFF) {
1594 osi_Log1(smb_logp, "fidCounter wrapped around for vcp 0x%x",
1596 vcp->fidCounter = 1;
1601 #ifdef DEBUG_SMB_REFCOUNT
1603 afsi_log("%s:%d smb_FindFID fidp 0x%p ref %d", file, line, fidp, fidp->refCount);
1604 osi_Log4(smb_logp,"%s:%d smb_FindFID fidp 0x%p ref %d", file, line, fidp, fidp->refCount);
1607 lock_ReleaseWrite(&smb_rctLock);
1611 #ifdef DEBUG_SMB_REFCOUNT
1612 smb_fid_t *smb_FindFIDByScacheDbg(smb_vc_t *vcp, cm_scache_t * scp, char *file, long line)
1614 smb_fid_t *smb_FindFIDByScache(smb_vc_t *vcp, cm_scache_t * scp)
1617 smb_fid_t *fidp = NULL;
1623 lock_ObtainWrite(&smb_rctLock);
1624 for(fidp = vcp->fidsp; fidp; fidp = (smb_fid_t *) osi_QNext(&fidp->q)) {
1625 if (scp == fidp->scp) {
1626 lock_ObtainMutex(&fidp->mx);
1627 if (scp == fidp->scp) {
1629 lock_ReleaseMutex(&fidp->mx);
1632 lock_ReleaseMutex(&fidp->mx);
1635 #ifdef DEBUG_SMB_REFCOUNT
1637 afsi_log("%s:%d smb_FindFIDByScache fidp 0x%p ref %d", file, line, fidp, fidp->refCount);
1638 osi_Log4(smb_logp,"%s:%d smb_FindFIDByScache fidp 0x%p ref %d", file, line, fidp, fidp->refCount);
1641 lock_ReleaseWrite(&smb_rctLock);
1645 #ifdef DEBUG_SMB_REFCOUNT
1646 void smb_HoldFIDNoLockDbg(smb_fid_t *fidp, char *file, long line)
1648 void smb_HoldFIDNoLock(smb_fid_t *fidp)
1651 lock_AssertWrite(&smb_rctLock);
1653 #ifdef DEBUG_SMB_REFCOUNT
1654 afsi_log("%s:%d smb_HoldFIDNoLock fidp 0x%p ref %d", file, line, fidp, fidp->refCount);
1655 osi_Log4(smb_logp,"%s:%d smb_HoldFIDNoLock fidp 0x%p ref %d", file, line, fidp, fidp->refCount);
1660 /* smb_ReleaseFID cannot be called while an cm_scache_t mutex lock is held */
1661 /* the sm_fid_t->mx and smb_rctLock must not be held */
1662 #ifdef DEBUG_SMB_REFCOUNT
1663 void smb_ReleaseFIDDbg(smb_fid_t *fidp, char *file, long line)
1665 void smb_ReleaseFID(smb_fid_t *fidp)
1668 cm_scache_t *scp = NULL;
1669 cm_user_t *userp = NULL;
1670 smb_vc_t *vcp = NULL;
1671 smb_ioctl_t *ioctlp;
1673 lock_ObtainMutex(&fidp->mx);
1674 lock_ObtainWrite(&smb_rctLock);
1675 osi_assertx(fidp->refCount-- > 0, "smb_fid_t refCount 0");
1676 #ifdef DEBUG_SMB_REFCOUNT
1677 afsi_log("%s:%d smb_ReleaseFID fidp 0x%p ref %d deleteOk %d", file, line, fidp, fidp->refCount, fidp->deleteOk);
1678 osi_Log5(smb_logp,"%s:%d smb_ReleaseFID fidp 0x%p ref %d deleteOk %d", file, line, fidp, fidp->refCount, fidp->deleteOk);
1680 if (fidp->refCount == 0) {
1681 if (fidp->deleteOk) {
1684 scp = fidp->scp; /* release after lock is released */
1686 lock_ObtainWrite(&scp->rw);
1687 scp->flags &= ~CM_SCACHEFLAG_SMB_FID;
1688 lock_ReleaseWrite(&scp->rw);
1689 osi_Log2(smb_logp,"smb_ReleaseFID fidp 0x%p scp 0x%p", fidp, scp);
1692 userp = fidp->userp;
1696 osi_QRemove((osi_queue_t **) &vcp->fidsp, &fidp->q);
1697 thrd_CloseHandle(fidp->raw_write_event);
1699 /* and see if there is ioctl stuff to free */
1700 ioctlp = fidp->ioctlp;
1703 cm_FreeSpace(ioctlp->prefix);
1704 if (ioctlp->ioctl.inAllocp)
1705 free(ioctlp->ioctl.inAllocp);
1706 if (ioctlp->ioctl.outAllocp)
1707 free(ioctlp->ioctl.outAllocp);
1710 lock_ReleaseMutex(&fidp->mx);
1711 lock_FinalizeMutex(&fidp->mx);
1716 smb_ReleaseVCNoLock(vcp);
1720 lock_ReleaseMutex(&fidp->mx);
1722 lock_ReleaseWrite(&smb_rctLock);
1724 /* now release the scache structure */
1726 cm_ReleaseSCache(scp);
1729 cm_ReleaseUser(userp);
1733 * Case-insensitive search for one string in another;
1734 * used to find variable names in submount pathnames.
1736 static clientchar_t *smb_stristr(clientchar_t *str1, clientchar_t *str2)
1738 clientchar_t *cursor;
1740 for (cursor = str1; *cursor; cursor++)
1741 if (cm_ClientStrCmpI(cursor, str2) == 0)
1748 * Substitute a variable value for its name in a submount pathname. Variable
1749 * name has been identified by smb_stristr() and is in substr. Variable name
1750 * length (plus one) is in substr_size. Variable value is in newstr.
1752 static void smb_subst(clientchar_t *str1, int cchstr1, clientchar_t *substr,
1753 unsigned int substr_size, clientchar_t *newstr)
1755 clientchar_t temp[1024];
1757 cm_ClientStrCpy(temp, lengthof(temp), substr + substr_size - 1);
1758 cm_ClientStrCpy(substr, cchstr1 - (substr - str1), newstr);
1759 cm_ClientStrCat(str1, cchstr1, temp);
1762 clientchar_t VNUserName[] = _C("%USERNAME%");
1763 clientchar_t VNLCUserName[] = _C("%LCUSERNAME%");
1764 clientchar_t VNComputerName[] = _C("%COMPUTERNAME%");
1765 clientchar_t VNLCComputerName[] = _C("%LCCOMPUTERNAME%");
1767 typedef struct smb_findShare_rock {
1768 clientchar_t * shareName;
1769 clientchar_t * match;
1771 } smb_findShare_rock_t;
1773 #define SMB_FINDSHARE_EXACT_MATCH 1
1774 #define SMB_FINDSHARE_PARTIAL_MATCH 2
1776 long smb_FindShareProc(cm_scache_t *scp, cm_dirEntry_t *dep, void *rockp,
1780 smb_findShare_rock_t * vrock = (smb_findShare_rock_t *) rockp;
1781 normchar_t normName[MAX_PATH];
1783 if (cm_FsStringToNormString(dep->name, -1, normName, sizeof(normName)/sizeof(normName[0])) == 0) {
1784 osi_Log1(smb_logp, "Skipping entry [%s]. Can't normalize FS string",
1785 osi_LogSaveString(smb_logp, dep->name));
1789 if (!cm_ClientStrCmpNI(normName, vrock->shareName, 12)) {
1790 if(!cm_ClientStrCmpI(normName, vrock->shareName))
1791 matchType = SMB_FINDSHARE_EXACT_MATCH;
1793 matchType = SMB_FINDSHARE_PARTIAL_MATCH;
1796 vrock->match = cm_FsStringToClientStringAlloc(dep->name, -1, NULL);
1797 vrock->matchType = matchType;
1799 if(matchType == SMB_FINDSHARE_EXACT_MATCH)
1800 return CM_ERROR_STOPNOW;
1806 /* find a shareName in the table of submounts */
1807 int smb_FindShare(smb_vc_t *vcp, smb_user_t *uidp,
1808 clientchar_t *shareName,
1809 clientchar_t **pathNamep)
1813 clientchar_t pathName[1024];
1816 clientchar_t *p, *q;
1817 fschar_t *cellname = NULL;
1820 DWORD allSubmount = 1;
1822 /* if allSubmounts == 0, only return the //mountRoot/all share
1823 * if in fact it has been been created in the subMounts table.
1824 * This is to allow sites that want to restrict access to the
1827 code = RegOpenKeyEx(HKEY_LOCAL_MACHINE, AFSREG_CLT_SVC_PARAM_SUBKEY,
1828 0, KEY_QUERY_VALUE, &parmKey);
1829 if (code == ERROR_SUCCESS) {
1830 cblen = sizeof(allSubmount);
1831 code = RegQueryValueEx(parmKey, "AllSubmount", NULL, NULL,
1832 (BYTE *) &allSubmount, &cblen);
1833 if (code != ERROR_SUCCESS) {
1836 RegCloseKey (parmKey);
1839 if (allSubmount && cm_ClientStrCmpI(shareName, _C("all")) == 0) {
1844 /* In case, the all share is disabled we need to still be able
1845 * to handle ioctl requests
1847 if (cm_ClientStrCmpI(shareName, _C("ioctl$")) == 0) {
1848 *pathNamep = cm_ClientStrDup(_C("/.__ioctl__"));
1852 if (cm_ClientStrCmpIA(shareName, _C("IPC$")) == 0 ||
1853 cm_ClientStrCmpIA(shareName, _C("srvsvc")) == 0 ||
1854 cm_ClientStrCmpIA(shareName, _C("wkssvc")) == 0 ||
1855 cm_ClientStrCmpIA(shareName, _C(SMB_IOCTL_FILENAME_NOSLASH)) == 0 ||
1856 cm_ClientStrCmpIA(shareName, _C("DESKTOP.INI")) == 0
1862 /* Check for volume references
1864 * They look like <cell>{%,#}<volume>
1866 if (cm_ClientStrChr(shareName, '%') != NULL ||
1867 cm_ClientStrChr(shareName, '#') != NULL) {
1868 clientchar_t pathstr[CELL_MAXNAMELEN + VL_MAXNAMELEN + 1 + CM_PREFIX_VOL_CCH];
1869 /* make room for '/@vol:' + mountchar + NULL terminator*/
1871 osi_Log1(smb_logp, "smb_FindShare found volume reference [%S]",
1872 osi_LogSaveClientString(smb_logp, shareName));
1874 cm_ClientStrPrintfN(pathstr, lengthof(pathstr),
1875 _C("/") _C(CM_PREFIX_VOL) _C("%s"), shareName);
1876 cchlen = (DWORD)(cm_ClientStrLen(pathstr) + 1);
1878 *pathNamep = malloc(cchlen * sizeof(clientchar_t));
1880 cm_ClientStrCpy(*pathNamep, cchlen, pathstr);
1881 cm_ClientStrLwr(*pathNamep);
1882 osi_Log1(smb_logp, " returning pathname [%S]",
1883 osi_LogSaveClientString(smb_logp, *pathNamep));
1891 code = RegOpenKeyEx(HKEY_LOCAL_MACHINE, AFSREG_CLT_OPENAFS_SUBKEY "\\Submounts",
1892 0, KEY_QUERY_VALUE, &parmKey);
1893 if (code == ERROR_SUCCESS) {
1894 cblen = sizeof(pathName);
1895 code = RegQueryValueExW(parmKey, shareName, NULL, NULL,
1896 (BYTE *) pathName, &cblen);
1897 if (code != ERROR_SUCCESS)
1899 RegCloseKey (parmKey);
1903 cchlen = cblen / sizeof(clientchar_t);
1904 if (cchlen != 0 && cchlen != lengthof(pathName) - 1) {
1905 /* We can accept either unix or PC style AFS pathnames. Convert
1906 * Unix-style to PC style here for internal use.
1909 cchlen = lengthof(pathName);
1911 /* within this code block, we maintain, cchlen = writeable
1912 buffer length of p */
1914 if (cm_ClientStrCmpN(p, cm_mountRootC, cm_mountRootCLen) == 0) {
1915 p += cm_mountRootCLen; /* skip mount path */
1916 cchlen -= (DWORD)(p - pathName);
1921 if (*q == _C('/')) *q = _C('\\'); /* change to \ */
1927 clientchar_t temp[1024];
1929 if (var = smb_stristr(p, VNUserName)) {
1930 if (uidp && uidp->unp)
1931 smb_subst(p, cchlen, var, lengthof(VNUserName),uidp->unp->name);
1933 smb_subst(p, cchlen, var, lengthof(VNUserName), _C(" "));
1935 else if (var = smb_stristr(p, VNLCUserName))
1937 if (uidp && uidp->unp)
1938 cm_ClientStrCpy(temp, lengthof(temp), uidp->unp->name);
1940 cm_ClientStrCpy(temp, lengthof(temp), _C(" "));
1941 cm_ClientStrLwr(temp);
1942 smb_subst(p, cchlen, var, lengthof(VNLCUserName), temp);
1944 else if (var = smb_stristr(p, VNComputerName))
1946 sizeTemp = lengthof(temp);
1947 GetComputerNameW(temp, &sizeTemp);
1948 smb_subst(p, cchlen, var, lengthof(VNComputerName), temp);
1950 else if (var = smb_stristr(p, VNLCComputerName))
1952 sizeTemp = lengthof(temp);
1953 GetComputerName((LPTSTR)temp, &sizeTemp);
1954 cm_ClientStrLwr(temp);
1955 smb_subst(p, cchlen, var, lengthof(VNLCComputerName), temp);
1960 *pathNamep = cm_ClientStrDup(p);
1965 /* First lookup shareName in root.afs */
1967 smb_findShare_rock_t vrock;
1969 fschar_t ftemp[1024];
1970 clientchar_t * p = shareName;
1973 /* attempt to locate a partial match in root.afs. This is because
1974 when using the ANSI RAP calls, the share name is limited to 13 chars
1975 and hence is truncated. Of course we prefer exact matches. */
1977 thyper.HighPart = 0;
1980 vrock.shareName = cm_ClientStringToNormStringAlloc(shareName, -1, NULL);
1981 if (vrock.shareName == NULL)
1984 vrock.matchType = 0;
1986 cm_HoldSCache(cm_data.rootSCachep);
1987 code = cm_ApplyDir(cm_data.rootSCachep, smb_FindShareProc, &vrock, &thyper,
1988 (uidp? (uidp->unp ? uidp->unp->userp : NULL) : NULL), &req, NULL);
1989 cm_ReleaseSCache(cm_data.rootSCachep);
1991 free(vrock.shareName);
1992 vrock.shareName = NULL;
1994 if (vrock.matchType) {
1995 cm_ClientStrPrintfN(pathName, lengthof(pathName), _C("/%s/"), vrock.match);
1996 *pathNamep = cm_ClientStrDup(cm_ClientStrLwr(pathName));
2001 /* if we get here, there was no match for the share in root.afs */
2002 /* so try to create \\<netbiosName>\<cellname> */
2007 /* Get the full name for this cell */
2008 cellname = cm_ClientStringToFsStringAlloc(p, -1, NULL);
2009 code = cm_SearchCellFile(cellname, ftemp, 0, 0);
2010 #ifdef AFS_AFSDB_ENV
2011 if (code && cm_dnsEnabled) {
2013 code = cm_SearchCellByDNS(cellname, ftemp, &ttl, 0, 0);
2019 /* construct the path */
2021 clientchar_t temp[1024];
2023 if (cm_FsStringToClientString(ftemp, -1, temp, 1024) != 0) {
2024 cm_ClientStrPrintfN(pathName, (int)lengthof(pathName),
2025 rw ? _C("/.%S/") : _C("/%S/"), temp);
2026 *pathNamep = cm_ClientStrDup(cm_ClientStrLwr(pathName));
2036 /* Client-side offline caching policy types */
2037 #define CSC_POLICY_MANUAL 0
2038 #define CSC_POLICY_DOCUMENTS 1
2039 #define CSC_POLICY_PROGRAMS 2
2040 #define CSC_POLICY_DISABLE 3
2042 int smb_FindShareCSCPolicy(clientchar_t *shareName)
2045 clientchar_t policy[1024];
2048 int retval = CSC_POLICY_MANUAL;
2050 RegCreateKeyEx( HKEY_LOCAL_MACHINE,
2051 AFSREG_CLT_OPENAFS_SUBKEY "\\CSCPolicy",
2054 REG_OPTION_NON_VOLATILE,
2060 len = sizeof(policy);
2061 if ( RegQueryValueExW( hkCSCPolicy, shareName, 0, &dwType, (LPBYTE) policy, &len ) ||
2063 retval = cm_ClientStrCmpIA(_C("all"),shareName) ? CSC_POLICY_MANUAL : CSC_POLICY_DISABLE;
2065 else if (cm_ClientStrCmpIA(policy, _C("documents")) == 0)
2067 retval = CSC_POLICY_DOCUMENTS;
2069 else if (cm_ClientStrCmpIA(policy, _C("programs")) == 0)
2071 retval = CSC_POLICY_PROGRAMS;
2073 else if (cm_ClientStrCmpIA(policy, _C("disable")) == 0)
2075 retval = CSC_POLICY_DISABLE;
2078 RegCloseKey(hkCSCPolicy);
2082 /* find a dir search structure by cookie value, and return it held.
2083 * Must be called with smb_globalLock held.
2085 smb_dirSearch_t *smb_FindDirSearchNoLock(long cookie)
2087 smb_dirSearch_t *dsp;
2089 for (dsp = smb_firstDirSearchp; dsp; dsp = (smb_dirSearch_t *) osi_QNext(&dsp->q)) {
2090 if (dsp->cookie == cookie) {
2091 if (dsp != smb_firstDirSearchp) {
2092 /* move to head of LRU queue, too, if we're not already there */
2093 if (smb_lastDirSearchp == (smb_dirSearch_t *) &dsp->q)
2094 smb_lastDirSearchp = (smb_dirSearch_t *) osi_QPrev(&dsp->q);
2095 osi_QRemove((osi_queue_t **) &smb_firstDirSearchp, &dsp->q);
2096 osi_QAdd((osi_queue_t **) &smb_firstDirSearchp, &dsp->q);
2097 if (!smb_lastDirSearchp)
2098 smb_lastDirSearchp = (smb_dirSearch_t *) &dsp->q;
2106 osi_Log1(smb_logp,"smb_FindDirSearch(%d) == NULL",cookie);
2107 for (dsp = smb_firstDirSearchp; dsp; dsp = (smb_dirSearch_t *) osi_QNext(&dsp->q)) {
2108 osi_Log1(smb_logp,"... valid id: %d", dsp->cookie);
2114 void smb_DeleteDirSearch(smb_dirSearch_t *dsp)
2116 lock_ObtainMutex(&dsp->mx);
2117 osi_Log3(smb_logp,"smb_DeleteDirSearch cookie %d dsp 0x%p scp 0x%p",
2118 dsp->cookie, dsp, dsp->scp);
2119 dsp->flags |= SMB_DIRSEARCH_DELETE;
2120 if (dsp->scp != NULL) {
2121 lock_ObtainWrite(&dsp->scp->rw);
2122 if (dsp->flags & SMB_DIRSEARCH_BULKST) {
2123 dsp->flags &= ~SMB_DIRSEARCH_BULKST;
2124 dsp->scp->flags &= ~CM_SCACHEFLAG_BULKSTATTING;
2125 dsp->scp->bulkStatProgress = hzero;
2127 lock_ReleaseWrite(&dsp->scp->rw);
2129 lock_ReleaseMutex(&dsp->mx);
2132 /* Must be called with the smb_globalLock held */
2133 void smb_ReleaseDirSearchNoLock(smb_dirSearch_t *dsp)
2135 cm_scache_t *scp = NULL;
2137 osi_assertx(dsp->refCount-- > 0, "cm_scache_t refCount 0");
2138 if (dsp->refCount == 0) {
2139 lock_ObtainMutex(&dsp->mx);
2140 if (dsp->flags & SMB_DIRSEARCH_DELETE) {
2141 if (&dsp->q == (osi_queue_t *) smb_lastDirSearchp)
2142 smb_lastDirSearchp = (smb_dirSearch_t *) osi_QPrev(&smb_lastDirSearchp->q);
2143 osi_QRemove((osi_queue_t **) &smb_firstDirSearchp, &dsp->q);
2144 lock_ReleaseMutex(&dsp->mx);
2145 lock_FinalizeMutex(&dsp->mx);
2147 osi_Log3(smb_logp,"smb_ReleaseDirSearch cookie %d dsp 0x%p scp 0x%p",
2148 dsp->cookie, dsp, scp);
2151 lock_ReleaseMutex(&dsp->mx);
2154 /* do this now to avoid spurious locking hierarchy creation */
2156 cm_ReleaseSCache(scp);
2159 void smb_ReleaseDirSearch(smb_dirSearch_t *dsp)
2161 lock_ObtainWrite(&smb_globalLock);
2162 smb_ReleaseDirSearchNoLock(dsp);
2163 lock_ReleaseWrite(&smb_globalLock);
2166 /* find a dir search structure by cookie value, and return it held */
2167 smb_dirSearch_t *smb_FindDirSearch(long cookie)
2169 smb_dirSearch_t *dsp;
2171 lock_ObtainWrite(&smb_globalLock);
2172 dsp = smb_FindDirSearchNoLock(cookie);
2173 lock_ReleaseWrite(&smb_globalLock);
2177 /* GC some dir search entries, in the address space expected by the specific protocol.
2178 * Must be called with smb_globalLock held; release the lock temporarily.
2180 #define SMB_DIRSEARCH_GCMAX 10 /* how many at once */
2181 void smb_GCDirSearches(int isV3)
2183 smb_dirSearch_t *prevp;
2184 smb_dirSearch_t *dsp;
2185 smb_dirSearch_t *victimsp[SMB_DIRSEARCH_GCMAX];
2189 victimCount = 0; /* how many have we got so far */
2190 for (dsp = smb_lastDirSearchp; dsp; dsp=prevp) {
2191 /* we'll move tp from queue, so
2194 prevp = (smb_dirSearch_t *) osi_QPrev(&dsp->q);
2195 /* if no one is using this guy, and we're either in the new protocol,
2196 * or we're in the old one and this is a small enough ID to be useful
2197 * to the old protocol, GC this guy.
2199 if (dsp->refCount == 0 && (isV3 || dsp->cookie <= 255)) {
2200 /* hold and delete */
2201 lock_ObtainMutex(&dsp->mx);
2202 dsp->flags |= SMB_DIRSEARCH_DELETE;
2203 lock_ReleaseMutex(&dsp->mx);
2204 victimsp[victimCount++] = dsp;
2208 /* don't do more than this */
2209 if (victimCount >= SMB_DIRSEARCH_GCMAX)
2213 /* now release them */
2214 for (i = 0; i < victimCount; i++) {
2215 smb_ReleaseDirSearchNoLock(victimsp[i]);
2219 /* function for allocating a dir search entry. We need these to remember enough context
2220 * since we don't get passed the path from call to call during a directory search.
2222 * Returns a held dir search structure, and bumps the reference count on the vnode,
2223 * since it saves a pointer to the vnode.
2225 smb_dirSearch_t *smb_NewDirSearch(int isV3)
2227 smb_dirSearch_t *dsp;
2233 lock_ObtainWrite(&smb_globalLock);
2236 /* what's the biggest ID allowed in this version of the protocol */
2237 /* TODO: do we really want a non v3 dir search request to wrap
2238 smb_dirSearchCounter? */
2239 maxAllowed = isV3 ? 65535 : 255;
2240 if (smb_dirSearchCounter > maxAllowed)
2241 smb_dirSearchCounter = 1;
2243 start = smb_dirSearchCounter;
2246 /* twice so we have enough tries to find guys we GC after one pass;
2247 * 10 extra is just in case I mis-counted.
2249 if (++counter > 2*maxAllowed+10)
2250 osi_panic("afsd: dir search cookie leak", __FILE__, __LINE__);
2252 if (smb_dirSearchCounter > maxAllowed) {
2253 smb_dirSearchCounter = 1;
2255 if (smb_dirSearchCounter == start) {
2257 smb_GCDirSearches(isV3);
2260 dsp = smb_FindDirSearchNoLock(smb_dirSearchCounter);
2262 /* don't need to watch for refcount zero and deleted, since
2263 * we haven't dropped the global lock.
2266 ++smb_dirSearchCounter;
2270 dsp = malloc(sizeof(*dsp));
2271 memset(dsp, 0, sizeof(*dsp));
2272 dsp->cookie = smb_dirSearchCounter;
2273 ++smb_dirSearchCounter;
2275 lock_InitializeMutex(&dsp->mx, "cm_dirSearch_t", LOCK_HIERARCHY_SMB_DIRSEARCH);
2276 dsp->lastTime = osi_Time();
2277 osi_QAdd((osi_queue_t **) &smb_firstDirSearchp, &dsp->q);
2278 if (!smb_lastDirSearchp)
2279 smb_lastDirSearchp = (smb_dirSearch_t *) &dsp->q;
2281 osi_Log2(smb_logp,"smb_NewDirSearch cookie %d dsp 0x%p",
2285 lock_ReleaseWrite(&smb_globalLock);
2289 static smb_packet_t *smb_GetPacket(void)
2293 lock_ObtainWrite(&smb_globalLock);
2294 tbp = smb_packetFreeListp;
2296 smb_packetFreeListp = tbp->nextp;
2297 lock_ReleaseWrite(&smb_globalLock);
2299 tbp = calloc(sizeof(*tbp),1);
2300 tbp->magic = SMB_PACKETMAGIC;
2303 tbp->resumeCode = 0;
2309 tbp->ncb_length = 0;
2312 tbp->stringsp = NULL;
2314 osi_assertx(tbp->magic == SMB_PACKETMAGIC, "invalid smb_packet_t magic");
2319 smb_packet_t *smb_CopyPacket(smb_packet_t *pkt)
2322 tbp = smb_GetPacket();
2323 memcpy(tbp, pkt, sizeof(smb_packet_t));
2324 tbp->wctp = tbp->data + (unsigned int)(pkt->wctp - pkt->data);
2325 tbp->stringsp = NULL;
2327 smb_HoldVC(tbp->vcp);
2331 static NCB *smb_GetNCB(void)
2336 lock_ObtainWrite(&smb_globalLock);
2337 tbp = smb_ncbFreeListp;
2339 smb_ncbFreeListp = tbp->nextp;
2340 lock_ReleaseWrite(&smb_globalLock);
2342 tbp = calloc(sizeof(*tbp),1);
2343 tbp->magic = SMB_NCBMAGIC;
2346 osi_assertx(tbp->magic == SMB_NCBMAGIC, "invalid smb_packet_t magic");
2348 memset(&tbp->ncb, 0, sizeof(NCB));
2353 static void FreeSMBStrings(smb_packet_t * pkt)
2358 for (s = pkt->stringsp; s; s = ns) {
2362 pkt->stringsp = NULL;
2365 void smb_FreePacket(smb_packet_t *tbp)
2367 smb_vc_t * vcp = NULL;
2368 osi_assertx(tbp->magic == SMB_PACKETMAGIC, "invalid smb_packet_t magic");
2370 lock_ObtainWrite(&smb_globalLock);
2371 tbp->nextp = smb_packetFreeListp;
2372 smb_packetFreeListp = tbp;
2373 tbp->magic = SMB_PACKETMAGIC;
2377 tbp->resumeCode = 0;
2383 tbp->ncb_length = 0;
2385 FreeSMBStrings(tbp);
2386 lock_ReleaseWrite(&smb_globalLock);
2392 static void smb_FreeNCB(NCB *bufferp)
2396 tbp = (smb_ncb_t *) bufferp;
2397 osi_assertx(tbp->magic == SMB_NCBMAGIC, "invalid smb_packet_t magic");
2399 lock_ObtainWrite(&smb_globalLock);
2400 tbp->nextp = smb_ncbFreeListp;
2401 smb_ncbFreeListp = tbp;
2402 lock_ReleaseWrite(&smb_globalLock);
2405 /* get a ptr to the data part of a packet, and its count */
2406 unsigned char *smb_GetSMBData(smb_packet_t *smbp, int *nbytesp)
2410 unsigned char *afterParmsp;
2412 parmBytes = *smbp->wctp << 1;
2413 afterParmsp = smbp->wctp + parmBytes + 1;
2415 dataBytes = afterParmsp[0] + (afterParmsp[1]<<8);
2416 if (nbytesp) *nbytesp = dataBytes;
2418 /* don't forget to skip the data byte count, since it follows
2419 * the parameters; that's where the "2" comes from below.
2421 return (unsigned char *) (afterParmsp + 2);
2424 /* must set all the returned parameters before playing around with the
2425 * data region, since the data region is located past the end of the
2426 * variable number of parameters.
2428 void smb_SetSMBDataLength(smb_packet_t *smbp, unsigned int dsize)
2430 unsigned char *afterParmsp;
2432 afterParmsp = smbp->wctp + ((*smbp->wctp)<<1) + 1;
2434 *afterParmsp++ = dsize & 0xff;
2435 *afterParmsp = (dsize>>8) & 0xff;
2438 /* return the parm'th parameter in the smbp packet */
2439 unsigned short smb_GetSMBParm(smb_packet_t *smbp, int parm)
2442 unsigned char *parmDatap;
2444 parmCount = *smbp->wctp;
2446 if (parm >= parmCount) {
2449 sprintf(s, "Bad SMB param %d out of %d, ncb len %d",
2450 parm, parmCount, smbp->ncb_length);
2451 osi_Log3(smb_logp,"Bad SMB param %d out of %d, ncb len %d",
2452 parm, parmCount, smbp->ncb_length);
2453 LogEvent(EVENTLOG_ERROR_TYPE, MSG_BAD_SMB_PARAM,
2454 __FILE__, __LINE__, parm, parmCount, smbp->ncb_length);
2455 osi_panic(s, __FILE__, __LINE__);
2457 parmDatap = smbp->wctp + (2*parm) + 1;
2459 return parmDatap[0] + (parmDatap[1] << 8);
2462 /* return the parm'th parameter in the smbp packet */
2463 unsigned char smb_GetSMBParmByte(smb_packet_t *smbp, int parm)
2466 unsigned char *parmDatap;
2468 parmCount = *smbp->wctp;
2470 if (parm >= parmCount) {
2473 sprintf(s, "Bad SMB param %d out of %d, ncb len %d",
2474 parm, parmCount, smbp->ncb_length);
2475 osi_Log3(smb_logp,"Bad SMB param %d out of %d, ncb len %d",
2476 parm, parmCount, smbp->ncb_length);
2477 LogEvent(EVENTLOG_ERROR_TYPE, MSG_BAD_SMB_PARAM,
2478 __FILE__, __LINE__, parm, parmCount, smbp->ncb_length);
2479 osi_panic(s, __FILE__, __LINE__);
2481 parmDatap = smbp->wctp + (2*parm) + 1;
2483 return parmDatap[0];
2486 /* return the parm'th parameter in the smbp packet */
2487 unsigned int smb_GetSMBParmLong(smb_packet_t *smbp, int parm)
2490 unsigned char *parmDatap;
2492 parmCount = *smbp->wctp;
2494 if (parm + 1 >= parmCount) {
2497 sprintf(s, "Bad SMB param %d out of %d, ncb len %d",
2498 parm, parmCount, smbp->ncb_length);
2499 osi_Log3(smb_logp,"Bad SMB param %d out of %d, ncb len %d",
2500 parm, parmCount, smbp->ncb_length);
2501 LogEvent(EVENTLOG_ERROR_TYPE, MSG_BAD_SMB_PARAM,
2502 __FILE__, __LINE__, parm, parmCount, smbp->ncb_length);
2503 osi_panic(s, __FILE__, __LINE__);
2505 parmDatap = smbp->wctp + (2*parm) + 1;
2507 return parmDatap[0] + (parmDatap[1] << 8) + (parmDatap[2] << 16) + (parmDatap[3] << 24);
2510 /* return the parm'th parameter in the smbp packet */
2511 unsigned int smb_GetSMBOffsetParm(smb_packet_t *smbp, int parm, int offset)
2514 unsigned char *parmDatap;
2516 parmCount = *smbp->wctp;
2518 if (parm * 2 + offset >= parmCount * 2) {
2521 sprintf(s, "Bad SMB param %d offset %d out of %d, ncb len %d",
2522 parm, offset, parmCount, smbp->ncb_length);
2523 LogEvent(EVENTLOG_ERROR_TYPE, MSG_BAD_SMB_PARAM_WITH_OFFSET,
2524 __FILE__, __LINE__, parm, offset, parmCount, smbp->ncb_length);
2525 osi_Log4(smb_logp, "Bad SMB param %d offset %d out of %d, ncb len %d",
2526 parm, offset, parmCount, smbp->ncb_length);
2527 osi_panic(s, __FILE__, __LINE__);
2529 parmDatap = smbp->wctp + (2*parm) + 1 + offset;
2531 return parmDatap[0] + (parmDatap[1] << 8);
2534 void smb_SetSMBParm(smb_packet_t *smbp, int slot, unsigned int parmValue)
2536 unsigned char *parmDatap;
2538 /* make sure we have enough slots */
2539 if (*smbp->wctp <= slot)
2540 *smbp->wctp = slot+1;
2542 parmDatap = smbp->wctp + 2*slot + 1 + smbp->oddByte;
2543 *parmDatap++ = parmValue & 0xff;
2544 *parmDatap = (parmValue>>8) & 0xff;
2547 void smb_SetSMBParmLong(smb_packet_t *smbp, int slot, unsigned int parmValue)
2549 unsigned char *parmDatap;
2551 /* make sure we have enough slots */
2552 if (*smbp->wctp <= slot)
2553 *smbp->wctp = slot+2;
2555 parmDatap = smbp->wctp + 2*slot + 1 + smbp->oddByte;
2556 *parmDatap++ = parmValue & 0xff;
2557 *parmDatap++ = (parmValue>>8) & 0xff;
2558 *parmDatap++ = (parmValue>>16) & 0xff;
2559 *parmDatap = (parmValue>>24) & 0xff;
2562 void smb_SetSMBParmDouble(smb_packet_t *smbp, int slot, char *parmValuep)
2564 unsigned char *parmDatap;
2567 /* make sure we have enough slots */
2568 if (*smbp->wctp <= slot)
2569 *smbp->wctp = slot+4;
2571 parmDatap = smbp->wctp + 2*slot + 1 + smbp->oddByte;
2573 *parmDatap++ = *parmValuep++;
2576 void smb_SetSMBParmByte(smb_packet_t *smbp, int slot, unsigned int parmValue)
2578 unsigned char *parmDatap;
2580 /* make sure we have enough slots */
2581 if (*smbp->wctp <= slot) {
2582 if (smbp->oddByte) {
2584 *smbp->wctp = slot+1;
2589 parmDatap = smbp->wctp + 2*slot + 1 + (1 - smbp->oddByte);
2590 *parmDatap++ = parmValue & 0xff;
2595 void smb_StripLastComponent(clientchar_t *outPathp, clientchar_t **lastComponentp,
2596 clientchar_t *inPathp)
2598 clientchar_t *lastSlashp;
2600 lastSlashp = cm_ClientStrRChr(inPathp, '\\');
2602 *lastComponentp = lastSlashp;
2605 if (inPathp == lastSlashp)
2607 *outPathp++ = *inPathp++;
2616 clientchar_t *smb_ParseASCIIBlock(smb_packet_t * pktp, unsigned char *inp,
2617 char **chainpp, int flags)
2620 afs_uint32 type = *inp++;
2623 * The first byte specifies the type of the input string.
2624 * CIFS TR 1.0 3.2.10. This function only parses null terminated
2628 /* Length Counted */
2629 case 0x1: /* Data Block */
2630 case 0x5: /* Variable Block */
2631 cb = *inp++ << 16 | *inp++;
2634 /* Null-terminated string */
2635 case 0x4: /* ASCII */
2636 case 0x3: /* Pathname */
2637 case 0x2: /* Dialect */
2638 cb = sizeof(pktp->data) - (inp - pktp->data);
2639 if (inp < pktp->data || inp >= pktp->data + sizeof(pktp->data)) {
2640 #ifdef DEBUG_UNICODE
2643 cb = sizeof(pktp->data);
2648 return NULL; /* invalid input */
2652 if (type == 0x2 /* Dialect */ || !WANTS_UNICODE(pktp))
2653 flags |= SMB_STRF_FORCEASCII;
2656 return smb_ParseStringBuf(pktp->data, &pktp->stringsp, inp, &cb, chainpp, flags);
2659 clientchar_t *smb_ParseString(smb_packet_t * pktp, unsigned char * inp,
2660 char ** chainpp, int flags)
2665 if (!WANTS_UNICODE(pktp))
2666 flags |= SMB_STRF_FORCEASCII;
2669 cb = sizeof(pktp->data) - (inp - pktp->data);
2670 if (inp < pktp->data || inp >= pktp->data + sizeof(pktp->data)) {
2671 #ifdef DEBUG_UNICODE
2674 cb = sizeof(pktp->data);
2676 return smb_ParseStringBuf(pktp->data, &pktp->stringsp, inp, &cb, chainpp,
2677 flags | SMB_STRF_SRCNULTERM);
2680 clientchar_t *smb_ParseStringCb(smb_packet_t * pktp, unsigned char * inp,
2681 size_t cb, char ** chainpp, int flags)
2684 if (!WANTS_UNICODE(pktp))
2685 flags |= SMB_STRF_FORCEASCII;
2688 return smb_ParseStringBuf(pktp->data, &pktp->stringsp, inp, &cb, chainpp, flags);
2691 clientchar_t *smb_ParseStringCch(smb_packet_t * pktp, unsigned char * inp,
2692 size_t cch, char ** chainpp, int flags)
2697 if (!WANTS_UNICODE(pktp))
2698 flags |= SMB_STRF_FORCEASCII;
2700 cb = cch * sizeof(wchar_t);
2703 return smb_ParseStringBuf(pktp->data, &pktp->stringsp, inp, &cb, chainpp, flags);
2707 smb_ParseStringBuf(const unsigned char * bufbase,
2708 cm_space_t ** stringspp,
2709 unsigned char *inp, size_t *pcb_max,
2710 char **chainpp, int flags)
2713 if (!(flags & SMB_STRF_FORCEASCII)) {
2715 cm_space_t * spacep;
2718 if (bufbase && ((inp - bufbase) % 2) != 0) {
2719 inp++; /* unicode strings are always word aligned */
2723 if (FAILED(StringCchLengthW((const wchar_t *) inp, *pcb_max / sizeof(wchar_t),
2725 cch_src = *pcb_max / sizeof(wchar_t);
2729 *pcb_max -= (cch_src + 1) * sizeof(wchar_t);
2736 spacep = cm_GetSpace();
2737 spacep->nextp = *stringspp;
2738 *stringspp = spacep;
2742 *chainpp = inp + sizeof(wchar_t);
2745 *(spacep->wdata) = 0;
2746 return spacep->wdata;
2749 StringCchCopyNW(spacep->wdata,
2750 lengthof(spacep->wdata),
2751 (const clientchar_t *) inp, cch_src);
2754 *chainpp = inp + (cch_src + null_terms)*sizeof(wchar_t);
2756 return spacep->wdata;
2760 cm_space_t * spacep;
2763 /* Not using Unicode */
2765 *chainpp = inp + strlen(inp) + 1;
2768 spacep = cm_GetSpace();
2769 spacep->nextp = *stringspp;
2770 *stringspp = spacep;
2772 cchdest = lengthof(spacep->wdata);
2773 cm_Utf8ToUtf16(inp, (int)((flags & SMB_STRF_SRCNULTERM)? -1 : *pcb_max),
2774 spacep->wdata, cchdest);
2776 return spacep->wdata;
2782 unsigned char * smb_UnparseString(smb_packet_t * pktp, unsigned char * outp,
2784 size_t * plen, int flags)
2790 /* we are only calculating the required size */
2797 if (WANTS_UNICODE(pktp) && !(flags & SMB_STRF_FORCEASCII)) {
2799 StringCbLengthW(str, SMB_STRINGBUFSIZE * sizeof(wchar_t), plen);
2800 if (!(flags & SMB_STRF_IGNORENUL))
2801 *plen += sizeof(wchar_t);
2803 return (unsigned char *) 1; /* return TRUE if we are using unicode */
2813 cch_str = cm_ClientStrLen(str);
2814 cch_dest = cm_ClientStringToUtf8(str, (int)cch_str, NULL, 0);
2817 *plen = ((flags & SMB_STRF_IGNORENUL)? cch_dest: cch_dest+1);
2825 /* if outp != NULL ... */
2827 /* Number of bytes left in the buffer.
2829 If outp lies inside the packet data buffer, we assume that the
2830 buffer is the packet data buffer. Otherwise we assume that the
2831 buffer is sizeof(packet->data).
2834 if (outp >= pktp->data && outp < pktp->data + sizeof(pktp->data)) {
2835 align = (int)((outp - pktp->data) % 2);
2836 buffersize = (pktp->data + sizeof(pktp->data)) - ((char *) outp);
2838 align = (int)(((size_t) outp) % 2);
2839 buffersize = (int)sizeof(pktp->data);
2844 if (WANTS_UNICODE(pktp) && !(flags & SMB_STRF_FORCEASCII)) {
2850 if (*str == _C('\0')) {
2852 if (buffersize < sizeof(wchar_t))
2855 *((wchar_t *) outp) = L'\0';
2856 if (plen && !(flags & SMB_STRF_IGNORENUL))
2857 *plen += sizeof(wchar_t);
2858 return outp + sizeof(wchar_t);
2861 nchars = cm_ClientStringToUtf16(str, -1, (wchar_t *) outp, (int)(buffersize / sizeof(wchar_t)));
2863 osi_Log2(smb_logp, "UnparseString: Can't convert string to Unicode [%S], GLE=%d",
2864 osi_LogSaveClientString(smb_logp, str),
2870 *plen += sizeof(wchar_t) * ((flags & SMB_STRF_IGNORENUL)? nchars - 1: nchars);
2872 return outp + sizeof(wchar_t) * nchars;
2880 cch_dest = cm_ClientStringToUtf8(str, -1, outp, (int)buffersize);
2883 *plen += ((flags & SMB_STRF_IGNORENUL)? cch_dest - 1: cch_dest);
2885 return outp + cch_dest;
2889 unsigned char *smb_ParseVblBlock(unsigned char *inp, char **chainpp, int *lengthp)
2895 tlen = inp[0] + (inp[1]<<8);
2896 inp += 2; /* skip length field */
2899 *chainpp = inp + tlen;
2908 unsigned char *smb_ParseDataBlock(unsigned char *inp, char **chainpp, int *lengthp)
2912 if (*inp++ != 0x1) return NULL;
2913 tlen = inp[0] + (inp[1]<<8);
2914 inp += 2; /* skip length field */
2917 *chainpp = inp + tlen;
2920 if (lengthp) *lengthp = tlen;
2925 /* format a packet as a response */
2926 void smb_FormatResponsePacket(smb_vc_t *vcp, smb_packet_t *inp, smb_packet_t *op)
2931 outp = (smb_t *) op;
2933 /* zero the basic structure through the smb_wct field, and zero the data
2934 * size field, assuming that wct stays zero; otherwise, you have to
2935 * explicitly set the data size field, too.
2937 inSmbp = (smb_t *) inp;
2938 memset(outp, 0, sizeof(smb_t)+2);
2944 outp->com = inSmbp->com;
2945 outp->tid = inSmbp->tid;
2946 outp->pid = inSmbp->pid;
2947 outp->uid = inSmbp->uid;
2948 outp->mid = inSmbp->mid;
2949 outp->res[0] = inSmbp->res[0];
2950 outp->res[1] = inSmbp->res[1];
2951 op->inCom = inSmbp->com;
2953 outp->reb = SMB_FLAGS_SERVER_TO_CLIENT;
2954 #ifdef SEND_CANONICAL_PATHNAMES
2955 outp->reb |= SMB_FLAGS_CANONICAL_PATHNAMES;
2957 outp->flg2 = SMB_FLAGS2_KNOWS_LONG_NAMES;
2959 if ((vcp->flags & SMB_VCFLAG_USEUNICODE) == SMB_VCFLAG_USEUNICODE)
2960 outp->flg2 |= SMB_FLAGS2_UNICODE;
2963 /* copy fields in generic packet area */
2964 op->wctp = &outp->wct;
2967 /* send a (probably response) packet; vcp tells us to whom to send it.
2968 * we compute the length by looking at wct and bcc fields.
2970 void smb_SendPacket(smb_vc_t *vcp, smb_packet_t *inp)
2980 ncbp = smb_GetNCB();
2984 memset((char *)ncbp, 0, sizeof(NCB));
2986 extra = 2 * (*inp->wctp); /* space used by parms, in bytes */
2987 tp = inp->wctp + 1+ extra; /* points to count of data bytes */
2988 extra += tp[0] + (tp[1]<<8);
2989 extra += (unsigned int)(inp->wctp - inp->data); /* distance to last wct field */
2990 extra += 3; /* wct and length fields */
2992 ncbp->ncb_length = extra; /* bytes to send */
2993 ncbp->ncb_lsn = (unsigned char) vcp->lsn; /* vc to use */
2994 ncbp->ncb_lana_num = vcp->lana;
2995 ncbp->ncb_command = NCBSEND; /* op means send data */
2996 ncbp->ncb_buffer = (char *) inp;/* packet */
2997 code = Netbios(ncbp);
3000 const char * s = ncb_error_string(code);
3001 osi_Log2(smb_logp, "SendPacket failure code %d \"%s\"", code, s);
3002 LogEvent(EVENTLOG_WARNING_TYPE, MSG_SMB_SEND_PACKET_FAILURE, s);
3004 lock_ObtainMutex(&vcp->mx);
3005 if (!(vcp->flags & SMB_VCFLAG_ALREADYDEAD)) {
3006 osi_Log2(smb_logp, "marking dead vcp 0x%x, user struct 0x%x",
3008 vcp->flags |= SMB_VCFLAG_ALREADYDEAD;
3009 lock_ReleaseMutex(&vcp->mx);
3010 lock_ObtainWrite(&smb_globalLock);
3011 dead_sessions[vcp->session] = TRUE;
3012 lock_ReleaseWrite(&smb_globalLock);
3013 smb_CleanupDeadVC(vcp);
3015 lock_ReleaseMutex(&vcp->mx);
3023 void smb_MapNTError(long code, unsigned long *NTStatusp)
3025 unsigned long NTStatus;
3027 /* map CM_ERROR_* errors to NT 32-bit status codes */
3028 /* NT Status codes are listed in ntstatus.h not winerror.h */
3032 else if (code == CM_ERROR_NOSUCHCELL) {
3033 NTStatus = 0xC000000FL; /* No such file */
3035 else if (code == CM_ERROR_NOSUCHVOLUME) {
3036 NTStatus = 0xC000000FL; /* No such file */
3038 else if (code == CM_ERROR_TIMEDOUT) {
3040 NTStatus = 0xC00000CFL; /* Sharing Paused */
3042 NTStatus = 0x00000102L; /* Timeout */
3045 else if (code == CM_ERROR_RETRY) {
3046 NTStatus = 0xC000022DL; /* Retry */
3048 else if (code == CM_ERROR_NOACCESS) {
3049 NTStatus = 0xC0000022L; /* Access denied */
3051 else if (code == CM_ERROR_READONLY) {
3052 NTStatus = 0xC00000A2L; /* Write protected */
3054 else if (code == CM_ERROR_NOSUCHFILE ||
3055 code == CM_ERROR_BPLUS_NOMATCH) {
3056 NTStatus = 0xC000000FL; /* No such file */
3058 else if (code == CM_ERROR_NOSUCHPATH) {
3059 NTStatus = 0xC000003AL; /* Object path not found */
3061 else if (code == CM_ERROR_TOOBIG) {
3062 NTStatus = 0xC000007BL; /* Invalid image format */
3064 else if (code == CM_ERROR_INVAL) {
3065 NTStatus = 0xC000000DL; /* Invalid parameter */
3067 else if (code == CM_ERROR_BADFD) {
3068 NTStatus = 0xC0000008L; /* Invalid handle */
3070 else if (code == CM_ERROR_BADFDOP) {
3071 NTStatus = 0xC0000022L; /* Access denied */
3073 else if (code == CM_ERROR_EXISTS) {
3074 NTStatus = 0xC0000035L; /* Object name collision */
3076 else if (code == CM_ERROR_NOTEMPTY) {
3077 NTStatus = 0xC0000101L; /* Directory not empty */
3079 else if (code == CM_ERROR_CROSSDEVLINK) {
3080 NTStatus = 0xC00000D4L; /* Not same device */
3082 else if (code == CM_ERROR_NOTDIR) {
3083 NTStatus = 0xC0000103L; /* Not a directory */
3085 else if (code == CM_ERROR_ISDIR) {
3086 NTStatus = 0xC00000BAL; /* File is a directory */
3088 else if (code == CM_ERROR_BADOP) {
3090 /* I have no idea where this comes from */
3091 NTStatus = 0xC09820FFL; /* SMB no support */
3093 NTStatus = 0xC00000BBL; /* Not supported */
3094 #endif /* COMMENT */
3096 else if (code == CM_ERROR_BADSHARENAME) {
3097 NTStatus = 0xC00000CCL; /* Bad network name */
3099 else if (code == CM_ERROR_NOIPC) {
3101 NTStatus = 0xC0000022L; /* Access Denied */
3103 NTStatus = 0xC000013DL; /* Remote Resources */
3106 else if (code == CM_ERROR_CLOCKSKEW) {
3107 NTStatus = 0xC0000133L; /* Time difference at DC */
3109 else if (code == CM_ERROR_BADTID) {
3110 NTStatus = 0xC0982005L; /* SMB bad TID */
3112 else if (code == CM_ERROR_USESTD) {
3113 NTStatus = 0xC09820FBL; /* SMB use standard */
3115 else if (code == CM_ERROR_QUOTA) {
3116 NTStatus = 0xC0000044L; /* Quota exceeded */
3118 else if (code == CM_ERROR_SPACE) {
3119 NTStatus = 0xC000007FL; /* Disk full */
3121 else if (code == CM_ERROR_ATSYS) {
3122 NTStatus = 0xC0000033L; /* Object name invalid */
3124 else if (code == CM_ERROR_BADNTFILENAME) {
3125 NTStatus = 0xC0000033L; /* Object name invalid */
3127 else if (code == CM_ERROR_WOULDBLOCK) {
3128 NTStatus = 0xC00000D8L; /* Can't wait */
3130 else if (code == CM_ERROR_SHARING_VIOLATION) {
3131 NTStatus = 0xC0000043L; /* Sharing violation */
3133 else if (code == CM_ERROR_LOCK_CONFLICT) {
3134 NTStatus = 0xC0000054L; /* Lock conflict */
3136 else if (code == CM_ERROR_PARTIALWRITE) {
3137 NTStatus = 0xC000007FL; /* Disk full */
3139 else if (code == CM_ERROR_BUFFERTOOSMALL) {
3140 NTStatus = 0xC0000023L; /* Buffer too small */
3142 else if (code == CM_ERROR_AMBIGUOUS_FILENAME) {
3143 NTStatus = 0xC0000035L; /* Object name collision */
3145 else if (code == CM_ERROR_BADPASSWORD) {
3146 NTStatus = 0xC000006DL; /* unknown username or bad password */
3148 else if (code == CM_ERROR_BADLOGONTYPE) {
3149 NTStatus = 0xC000015BL; /* logon type not granted */
3151 else if (code == CM_ERROR_GSSCONTINUE) {
3152 NTStatus = 0xC0000016L; /* more processing required */
3154 else if (code == CM_ERROR_TOO_MANY_SYMLINKS) {
3156 NTStatus = 0xC0000280L; /* reparse point not resolved */
3158 NTStatus = 0xC0000022L; /* Access Denied */
3161 else if (code == CM_ERROR_PATH_NOT_COVERED) {
3162 NTStatus = 0xC0000257L; /* Path Not Covered */
3164 else if (code == CM_ERROR_ALLBUSY) {
3165 NTStatus = 0xC000022DL; /* Retry */
3167 else if (code == CM_ERROR_ALLOFFLINE || code == CM_ERROR_ALLDOWN) {
3168 NTStatus = 0xC00000BEL; /* Bad Network Path */
3170 else if (code >= ERROR_TABLE_BASE_RXK && code < ERROR_TABLE_BASE_RXK + 256) {
3171 NTStatus = 0xC0000322L; /* No Kerberos key */
3173 else if (code == CM_ERROR_BAD_LEVEL) {
3174 NTStatus = 0xC0000148L; /* Invalid Level */
3176 else if (code == CM_ERROR_RANGE_NOT_LOCKED) {
3177 NTStatus = 0xC000007EL; /* Range Not Locked */
3179 else if (code == CM_ERROR_NOSUCHDEVICE) {
3180 NTStatus = 0xC000000EL; /* No Such Device */
3182 else if (code == CM_ERROR_LOCK_NOT_GRANTED) {
3183 NTStatus = 0xC0000055L; /* Lock Not Granted */
3184 } else if (code == ENOMEM) {
3185 NTStatus = 0xC0000017L; /* Out of Memory */
3187 NTStatus = 0xC0982001L; /* SMB non-specific error */
3190 *NTStatusp = NTStatus;
3191 osi_Log2(smb_logp, "SMB SEND code %lX as NT %lX", code, NTStatus);
3194 void smb_MapCoreError(long code, smb_vc_t *vcp, unsigned short *scodep,
3195 unsigned char *classp)
3197 unsigned char class;
3198 unsigned short error;
3200 /* map CM_ERROR_* errors to SMB errors */
3201 if (code == CM_ERROR_NOSUCHCELL) {
3203 error = 3; /* bad path */
3205 else if (code == CM_ERROR_NOSUCHVOLUME) {
3207 error = 3; /* bad path */
3209 else if (code == CM_ERROR_TIMEDOUT) {
3211 error = 81; /* server is paused */
3213 else if (code == CM_ERROR_RETRY) {
3214 class = 2; /* shouldn't happen */
3217 else if (code == CM_ERROR_NOACCESS) {
3219 error = 4; /* bad access */
3221 else if (code == CM_ERROR_READONLY) {
3223 error = 19; /* read only */
3225 else if (code == CM_ERROR_NOSUCHFILE ||
3226 code == CM_ERROR_BPLUS_NOMATCH) {
3228 error = 2; /* ENOENT! */
3230 else if (code == CM_ERROR_NOSUCHPATH) {
3232 error = 3; /* Bad path */
3234 else if (code == CM_ERROR_TOOBIG) {
3236 error = 11; /* bad format */
3238 else if (code == CM_ERROR_INVAL) {
3239 class = 2; /* server non-specific error code */
3242 else if (code == CM_ERROR_BADFD) {
3244 error = 6; /* invalid file handle */
3246 else if (code == CM_ERROR_BADFDOP) {
3247 class = 1; /* invalid op on FD */
3250 else if (code == CM_ERROR_EXISTS) {
3252 error = 80; /* file already exists */
3254 else if (code == CM_ERROR_NOTEMPTY) {
3256 error = 5; /* delete directory not empty */
3258 else if (code == CM_ERROR_CROSSDEVLINK) {
3260 error = 17; /* EXDEV */
3262 else if (code == CM_ERROR_NOTDIR) {
3263 class = 1; /* bad path */
3266 else if (code == CM_ERROR_ISDIR) {
3267 class = 1; /* access denied; DOS doesn't have a good match */
3270 else if (code == CM_ERROR_BADOP) {
3274 else if (code == CM_ERROR_BADSHARENAME) {
3278 else if (code == CM_ERROR_NOIPC) {
3280 error = 4; /* bad access */
3282 else if (code == CM_ERROR_CLOCKSKEW) {
3283 class = 1; /* invalid function */
3286 else if (code == CM_ERROR_BADTID) {
3290 else if (code == CM_ERROR_USESTD) {
3294 else if (code == CM_ERROR_REMOTECONN) {
3298 else if (code == CM_ERROR_QUOTA) {
3299 if (vcp->flags & SMB_VCFLAG_USEV3) {
3301 error = 39; /* disk full */
3305 error = 5; /* access denied */
3308 else if (code == CM_ERROR_SPACE) {
3309 if (vcp->flags & SMB_VCFLAG_USEV3) {
3311 error = 39; /* disk full */
3315 error = 5; /* access denied */
3318 else if (code == CM_ERROR_PARTIALWRITE) {
3320 error = 39; /* disk full */
3322 else if (code == CM_ERROR_ATSYS) {
3324 error = 2; /* ENOENT */
3326 else if (code == CM_ERROR_WOULDBLOCK) {
3328 error = 33; /* lock conflict */
3330 else if (code == CM_ERROR_LOCK_CONFLICT) {
3332 error = 33; /* lock conflict */
3334 else if (code == CM_ERROR_SHARING_VIOLATION) {
3336 error = 33; /* lock conflict */
3338 else if (code == CM_ERROR_NOFILES) {
3340 error = 18; /* no files in search */
3342 else if (code == CM_ERROR_RENAME_IDENTICAL) {
3344 error = 183; /* Samba uses this */
3346 else if (code == CM_ERROR_BADPASSWORD || code == CM_ERROR_BADLOGONTYPE) {
3347 /* we don't have a good way of reporting CM_ERROR_BADLOGONTYPE */
3349 error = 2; /* bad password */
3351 else if (code == CM_ERROR_PATH_NOT_COVERED) {
3353 error = 3; /* bad path */
3362 osi_Log3(smb_logp, "SMB SEND code %lX as SMB %d: %d", code, class, error);
3365 long smb_SendCoreBadOp(smb_vc_t *vcp, smb_packet_t *inp, smb_packet_t *outp)
3367 osi_Log0(smb_logp,"SendCoreBadOp - NOT_SUPPORTED");
3368 return CM_ERROR_BADOP;
3372 long smb_ReceiveCoreEcho(smb_vc_t *vcp, smb_packet_t *inp, smb_packet_t *outp)
3374 unsigned short EchoCount, i;
3375 char *data, *outdata;
3378 EchoCount = (unsigned short) smb_GetSMBParm(inp, 0);
3380 for (i=1; i<=EchoCount; i++) {
3381 data = smb_GetSMBData(inp, &dataSize);
3382 smb_SetSMBParm(outp, 0, i);
3383 smb_SetSMBDataLength(outp, dataSize);
3384 outdata = smb_GetSMBData(outp, NULL);
3385 memcpy(outdata, data, dataSize);
3386 smb_SendPacket(vcp, outp);
3392 /* SMB_COM_READ_RAW */
3393 long smb_ReceiveCoreReadRaw(smb_vc_t *vcp, smb_packet_t *inp, smb_packet_t *outp)
3396 long count, minCount, finalCount;
3400 smb_t *smbp = (smb_t*) inp;
3402 cm_user_t *userp = NULL;
3405 char *rawBuf = NULL;
3410 fd = smb_GetSMBParm(inp, 0);
3411 count = smb_GetSMBParm(inp, 3);
3412 minCount = smb_GetSMBParm(inp, 4);
3413 offset.LowPart = smb_GetSMBParm(inp, 1) | (smb_GetSMBParm(inp, 2) << 16);
3415 if (*inp->wctp == 10) {
3416 /* we were sent a request with 64-bit file offsets */
3417 #ifdef AFS_LARGEFILES
3418 offset.HighPart = smb_GetSMBParm(inp, 8) | (smb_GetSMBParm(inp, 9) << 16);
3420 if (LargeIntegerLessThanZero(offset)) {
3421 osi_Log0(smb_logp, "smb_ReceiveCoreReadRaw received negative 64-bit offset");
3425 if ((smb_GetSMBParm(inp, 8) | (smb_GetSMBParm(inp, 9) << 16)) != 0) {
3426 osi_Log0(smb_logp, "smb_ReceiveCoreReadRaw received 64-bit file offset. Dropping request.");
3429 offset.HighPart = 0;
3433 /* we were sent a request with 32-bit file offsets */
3434 offset.HighPart = 0;
3437 osi_Log4(smb_logp, "smb_ReceieveCoreReadRaw fd %d, off 0x%x:%08x, size 0x%x",
3438 fd, offset.HighPart, offset.LowPart, count);
3440 fidp = smb_FindFID(vcp, fd, 0);
3444 lock_ObtainMutex(&fidp->mx);
3445 if (fidp->scp && (fidp->scp->flags & CM_SCACHEFLAG_DELETED)) {
3446 lock_ReleaseMutex(&fidp->mx);
3447 smb_CloseFID(vcp, fidp, NULL, 0);
3448 code = CM_ERROR_NOSUCHFILE;
3454 LARGE_INTEGER LOffset, LLength;
3457 key = cm_GenerateKey(vcp->vcID, pid, fd);
3459 LOffset.HighPart = offset.HighPart;
3460 LOffset.LowPart = offset.LowPart;
3461 LLength.HighPart = 0;
3462 LLength.LowPart = count;
3464 lock_ObtainWrite(&fidp->scp->rw);
3465 code = cm_LockCheckRead(fidp->scp, LOffset, LLength, key);
3466 lock_ReleaseWrite(&fidp->scp->rw);
3469 lock_ReleaseMutex(&fidp->mx);
3473 lock_ObtainMutex(&smb_RawBufLock);
3475 /* Get a raw buf, from head of list */
3476 rawBuf = smb_RawBufs;
3477 smb_RawBufs = *(char **)smb_RawBufs;
3479 lock_ReleaseMutex(&smb_RawBufLock);
3481 lock_ReleaseMutex(&fidp->mx);
3485 if (fidp->flags & SMB_FID_IOCTL)
3487 rc = smb_IoctlReadRaw(fidp, vcp, inp, outp);
3489 /* Give back raw buffer */
3490 lock_ObtainMutex(&smb_RawBufLock);
3491 *((char **) rawBuf) = smb_RawBufs;
3493 smb_RawBufs = rawBuf;
3494 lock_ReleaseMutex(&smb_RawBufLock);
3497 lock_ReleaseMutex(&fidp->mx);
3498 smb_ReleaseFID(fidp);
3501 lock_ReleaseMutex(&fidp->mx);
3503 userp = smb_GetUserFromVCP(vcp, inp);
3505 code = smb_ReadData(fidp, &offset, count, rawBuf, userp, &finalCount);
3511 cm_ReleaseUser(userp);
3514 smb_ReleaseFID(fidp);
3518 memset((char *)ncbp, 0, sizeof(NCB));
3520 ncbp->ncb_length = (unsigned short) finalCount;
3521 ncbp->ncb_lsn = (unsigned char) vcp->lsn;
3522 ncbp->ncb_lana_num = vcp->lana;
3523 ncbp->ncb_command = NCBSEND;
3524 ncbp->ncb_buffer = rawBuf;
3526 code = Netbios(ncbp);
3528 osi_Log1(smb_logp, "ReadRaw send failure code %d", code);
3531 /* Give back raw buffer */
3532 lock_ObtainMutex(&smb_RawBufLock);
3533 *((char **) rawBuf) = smb_RawBufs;
3535 smb_RawBufs = rawBuf;
3536 lock_ReleaseMutex(&smb_RawBufLock);
3542 long smb_ReceiveCoreLockRecord(smb_vc_t *vcp, smb_packet_t *inp, smb_packet_t *outp)
3544 osi_Log1(smb_logp, "SMB receive core lock record (not implemented); %d + 1 ongoing ops",
3549 long smb_ReceiveCoreUnlockRecord(smb_vc_t *vcp, smb_packet_t *inp, smb_packet_t *outp)
3551 osi_Log1(smb_logp, "SMB receive core unlock record (not implemented); %d + 1 ongoing ops",
3556 /* SMB_COM_NEGOTIATE */
3557 long smb_ReceiveNegotiate(smb_vc_t *vcp, smb_packet_t *inp, smb_packet_t *outp)
3564 int VistaProtoIndex;
3565 int protoIndex; /* index we're using */
3570 char protocol_array[10][1024]; /* protocol signature of the client */
3571 int caps; /* capabilities */
3574 TIME_ZONE_INFORMATION tzi;
3576 osi_Log1(smb_logp, "SMB receive negotiate; %d + 1 ongoing ops",
3579 namep = smb_GetSMBData(inp, &dbytes);
3582 coreProtoIndex = -1; /* not found */
3585 VistaProtoIndex = -1;
3586 while(namex < dbytes) {
3587 osi_Log1(smb_logp, "Protocol %s",
3588 osi_LogSaveString(smb_logp, namep+1));
3589 strcpy(protocol_array[tcounter], namep+1);
3591 /* namep points at the first protocol, or really, a 0x02
3592 * byte preceding the null-terminated ASCII name.
3594 if (strcmp("PC NETWORK PROGRAM 1.0", namep+1) == 0) {
3595 coreProtoIndex = tcounter;
3597 else if (smb_useV3 && strcmp("LM1.2X002", namep+1) == 0) {
3598 v3ProtoIndex = tcounter;
3600 else if (smb_useV3 && strcmp("NT LM 0.12", namep+1) == 0) {
3601 NTProtoIndex = tcounter;
3603 else if (smb_useV3 && strcmp("SMB 2.001", namep+1) == 0) {
3604 VistaProtoIndex = tcounter;
3607 /* compute size of protocol entry */
3608 entryLength = (int)strlen(namep+1);
3609 entryLength += 2; /* 0x02 bytes and null termination */
3611 /* advance over this protocol entry */
3612 namex += entryLength;
3613 namep += entryLength;
3614 tcounter++; /* which proto entry we're looking at */
3617 lock_ObtainMutex(&vcp->mx);
3619 if (VistaProtoIndex != -1) {
3620 protoIndex = VistaProtoIndex;
3621 vcp->flags |= (SMB_VCFLAG_USENT | SMB_VCFLAG_USEV3);
3624 if (NTProtoIndex != -1) {
3625 protoIndex = NTProtoIndex;
3626 vcp->flags |= (SMB_VCFLAG_USENT | SMB_VCFLAG_USEV3);
3628 else if (v3ProtoIndex != -1) {
3629 protoIndex = v3ProtoIndex;
3630 vcp->flags |= SMB_VCFLAG_USEV3;
3632 else if (coreProtoIndex != -1) {
3633 protoIndex = coreProtoIndex;
3634 vcp->flags |= SMB_VCFLAG_USECORE;
3636 else protoIndex = -1;
3637 lock_ReleaseMutex(&vcp->mx);
3639 if (protoIndex == -1)
3640 return CM_ERROR_INVAL;
3641 else if (VistaProtoIndex != 1 || NTProtoIndex != -1) {
3642 smb_SetSMBParm(outp, 0, protoIndex);
3643 if (smb_authType != SMB_AUTH_NONE) {
3644 smb_SetSMBParmByte(outp, 1,
3645 NEGOTIATE_SECURITY_USER_LEVEL |
3646 NEGOTIATE_SECURITY_CHALLENGE_RESPONSE); /* user level security, challenge response */
3648 smb_SetSMBParmByte(outp, 1, 0); /* share level auth with plaintext password. */
3650 smb_SetSMBParm(outp, 1, smb_maxMpxRequests); /* max multiplexed requests */
3651 smb_SetSMBParm(outp, 2, smb_maxVCPerServer); /* max VCs per consumer/server connection */
3652 smb_SetSMBParmLong(outp, 3, SMB_PACKETSIZE); /* xmit buffer size */
3653 smb_SetSMBParmLong(outp, 5, SMB_MAXRAWSIZE); /* raw buffer size */
3654 /* The session key is not a well documented field however most clients
3655 * will echo back the session key to the server. Currently we are using
3656 * the same value for all sessions. We should generate a random value
3657 * and store it into the vcp
3659 smb_SetSMBParm(outp, 7, 1); /* next 2: session key */
3660 smb_SetSMBParm(outp, 8, 1);
3662 * Tried changing the capabilities to support for W2K - defect 117695
3663 * Maybe something else needs to be changed here?
3667 smb_SetSMBParmLong(outp, 9, 0x43fd);
3669 smb_SetSMBParmLong(outp, 9, 0x251);
3672 * 32-bit error codes *
3678 caps = NTNEGOTIATE_CAPABILITY_NTSTATUS |
3680 NTNEGOTIATE_CAPABILITY_DFS |
3682 #ifdef AFS_LARGEFILES
3683 NTNEGOTIATE_CAPABILITY_LARGEFILES |
3685 NTNEGOTIATE_CAPABILITY_NTFIND |
3686 NTNEGOTIATE_CAPABILITY_RAWMODE |
3687 NTNEGOTIATE_CAPABILITY_NTSMB;
3689 if ( smb_authType == SMB_AUTH_EXTENDED )
3690 caps |= NTNEGOTIATE_CAPABILITY_EXTENDED_SECURITY;
3693 if ( smb_UseUnicode ) {
3694 caps |= NTNEGOTIATE_CAPABILITY_UNICODE;
3698 smb_SetSMBParmLong(outp, 9, caps);
3700 smb_SearchTimeFromUnixTime(&dosTime, unixTime);
3701 smb_SetSMBParmLong(outp, 11, LOWORD(dosTime));/* server time */
3702 smb_SetSMBParmLong(outp, 13, HIWORD(dosTime));/* server date */
3704 GetTimeZoneInformation(&tzi);
3705 smb_SetSMBParm(outp, 15, (unsigned short) tzi.Bias); /* server tzone */
3707 if (smb_authType == SMB_AUTH_NTLM) {
3708 smb_SetSMBParmByte(outp, 16, MSV1_0_CHALLENGE_LENGTH);/* Encryption key length */
3709 smb_SetSMBDataLength(outp, MSV1_0_CHALLENGE_LENGTH + smb_ServerDomainNameLength);
3710 /* paste in encryption key */
3711 datap = smb_GetSMBData(outp, NULL);
3712 memcpy(datap,vcp->encKey,MSV1_0_CHALLENGE_LENGTH);
3713 /* and the faux domain name */
3714 cm_ClientStringToUtf8(smb_ServerDomainName, -1,
3715 datap + MSV1_0_CHALLENGE_LENGTH,
3716 (int)(sizeof(outp->data)/sizeof(char) - (datap - outp->data)));
3717 } else if ( smb_authType == SMB_AUTH_EXTENDED ) {
3721 smb_SetSMBParmByte(outp, 16, 0); /* Encryption key length */
3723 smb_NegotiateExtendedSecurity(&secBlob, &secBlobLength);
3725 smb_SetSMBDataLength(outp, secBlobLength + sizeof(smb_ServerGUID));
3727 datap = smb_GetSMBData(outp, NULL);
3728 memcpy(datap, &smb_ServerGUID, sizeof(smb_ServerGUID));
3731 datap += sizeof(smb_ServerGUID);
3732 memcpy(datap, secBlob, secBlobLength);
3736 smb_SetSMBParmByte(outp, 16, 0); /* Encryption key length */
3737 smb_SetSMBDataLength(outp, 0); /* Perhaps we should specify 8 bytes anyway */
3740 else if (v3ProtoIndex != -1) {
3741 smb_SetSMBParm(outp, 0, protoIndex);
3743 /* NOTE: Extended authentication cannot be negotiated with v3
3744 * therefore we fail over to NTLM
3746 if (smb_authType == SMB_AUTH_NTLM || smb_authType == SMB_AUTH_EXTENDED) {
3747 smb_SetSMBParm(outp, 1,
3748 NEGOTIATE_SECURITY_USER_LEVEL |
3749 NEGOTIATE_SECURITY_CHALLENGE_RESPONSE); /* user level security, challenge response */
3751 smb_SetSMBParm(outp, 1, 0); /* share level auth with clear password */
3753 smb_SetSMBParm(outp, 2, SMB_PACKETSIZE);
3754 smb_SetSMBParm(outp, 3, smb_maxMpxRequests); /* max multiplexed requests */
3755 smb_SetSMBParm(outp, 4, smb_maxVCPerServer); /* max VCs per consumer/server connection */
3756 smb_SetSMBParm(outp, 5, 0); /* no support of block mode for read or write */
3757 smb_SetSMBParm(outp, 6, 1); /* next 2: session key */
3758 smb_SetSMBParm(outp, 7, 1);
3760 smb_SearchTimeFromUnixTime(&dosTime, unixTime);
3761 smb_SetSMBParm(outp, 8, LOWORD(dosTime)); /* server time */
3762 smb_SetSMBParm(outp, 9, HIWORD(dosTime)); /* server date */
3764 GetTimeZoneInformation(&tzi);
3765 smb_SetSMBParm(outp, 10, (unsigned short) tzi.Bias); /* server tzone */
3767 /* NOTE: Extended authentication cannot be negotiated with v3
3768 * therefore we fail over to NTLM
3770 if (smb_authType == SMB_AUTH_NTLM || smb_authType == SMB_AUTH_EXTENDED) {
3771 smb_SetSMBParm(outp, 11, MSV1_0_CHALLENGE_LENGTH); /* encryption key length */
3772 smb_SetSMBParm(outp, 12, 0); /* resvd */
3773 smb_SetSMBDataLength(outp, MSV1_0_CHALLENGE_LENGTH + smb_ServerDomainNameLength); /* perhaps should specify 8 bytes anyway */
3774 datap = smb_GetSMBData(outp, NULL);
3775 /* paste in a new encryption key */
3776 memcpy(datap, vcp->encKey, MSV1_0_CHALLENGE_LENGTH);
3777 /* and the faux domain name */
3778 cm_ClientStringToUtf8(smb_ServerDomainName, -1,
3779 datap + MSV1_0_CHALLENGE_LENGTH,
3780 (int)(sizeof(outp->data)/sizeof(char) - (datap - outp->data)));
3782 smb_SetSMBParm(outp, 11, 0); /* encryption key length */
3783 smb_SetSMBParm(outp, 12, 0); /* resvd */
3784 smb_SetSMBDataLength(outp, 0);
3787 else if (coreProtoIndex != -1) { /* not really supported anymore */
3788 smb_SetSMBParm(outp, 0, protoIndex);
3789 smb_SetSMBDataLength(outp, 0);
3794 void smb_CheckVCs(void)
3796 smb_vc_t * vcp, *nextp;
3797 smb_packet_t * outp = smb_GetPacket();
3800 lock_ObtainWrite(&smb_rctLock);
3801 for ( vcp=smb_allVCsp, nextp=NULL; vcp; vcp = nextp )
3803 if (vcp->magic != SMB_VC_MAGIC)
3804 osi_panic("afsd: invalid smb_vc_t detected in smb_allVCsp",
3805 __FILE__, __LINE__);
3807 /* on the first pass hold 'vcp' which was not held as 'nextp' */
3809 smb_HoldVCNoLock(vcp);
3812 * obtain a reference to 'nextp' now because we drop the
3813 * smb_rctLock later and the list contents could change
3814 * or 'vcp' could be destroyed when released.
3818 smb_HoldVCNoLock(nextp);
3820 if (vcp->flags & SMB_VCFLAG_ALREADYDEAD) {
3821 smb_ReleaseVCNoLock(vcp);
3825 smb_FormatResponsePacket(vcp, NULL, outp);
3826 smbp = (smb_t *)outp;
3827 outp->inCom = smbp->com = 0x2b /* Echo */;
3835 smb_SetSMBParm(outp, 0, 0);
3836 smb_SetSMBDataLength(outp, 0);
3837 lock_ReleaseWrite(&smb_rctLock);
3839 smb_SendPacket(vcp, outp);
3841 lock_ObtainWrite(&smb_rctLock);
3842 smb_ReleaseVCNoLock(vcp);
3844 lock_ReleaseWrite(&smb_rctLock);
3845 smb_FreePacket(outp);
3848 void smb_Daemon(void *parmp)
3850 afs_uint32 count = 0;
3851 smb_username_t **unpp;
3854 while(smbShutdownFlag == 0) {
3858 if (smbShutdownFlag == 1)
3861 if ((count % 72) == 0) { /* every five minutes */
3863 time_t old_localZero = smb_localZero;
3865 /* Initialize smb_localZero */
3866 myTime.tm_isdst = -1; /* compute whether on DST or not */
3867 myTime.tm_year = 70;
3873 smb_localZero = mktime(&myTime);
3875 #ifndef USE_NUMERIC_TIME_CONV
3876 smb_CalculateNowTZ();
3877 #endif /* USE_NUMERIC_TIME_CONV */
3878 #ifdef AFS_FREELANCE
3879 if ( smb_localZero != old_localZero )
3880 cm_noteLocalMountPointChange();
3886 /* GC smb_username_t objects that will no longer be used */
3888 lock_ObtainWrite(&smb_rctLock);
3889 for ( unpp=&usernamesp; *unpp; ) {
3891 smb_username_t *unp;
3893 lock_ObtainMutex(&(*unpp)->mx);
3894 if ( (*unpp)->refCount > 0 ||
3895 ((*unpp)->flags & SMB_USERNAMEFLAG_AFSLOGON) ||
3896 !((*unpp)->flags & SMB_USERNAMEFLAG_LOGOFF))
3898 else if (!smb_LogoffTokenTransfer ||
3899 ((*unpp)->last_logoff_t + smb_LogoffTransferTimeout < now))
3901 lock_ReleaseMutex(&(*unpp)->mx);
3909 lock_FinalizeMutex(&unp->mx);
3915 cm_ReleaseUser(userp);
3917 unpp = &(*unpp)->nextp;
3920 lock_ReleaseWrite(&smb_rctLock);
3922 /* XXX GC dir search entries */
3926 void smb_WaitingLocksDaemon()
3928 smb_waitingLockRequest_t *wlRequest, *nwlRequest;
3929 smb_waitingLock_t *wl, *wlNext;
3932 smb_packet_t *inp, *outp;
3936 while (smbShutdownFlag == 0) {
3937 lock_ObtainWrite(&smb_globalLock);
3938 nwlRequest = smb_allWaitingLocks;
3939 if (nwlRequest == NULL) {
3940 osi_SleepW((LONG_PTR)&smb_allWaitingLocks, &smb_globalLock);
3945 osi_Log0(smb_logp, "smb_WaitingLocksDaemon starting wait lock check");
3952 lock_ObtainWrite(&smb_globalLock);
3954 osi_Log1(smb_logp, " Checking waiting lock request %p", nwlRequest);
3956 wlRequest = nwlRequest;
3957 nwlRequest = (smb_waitingLockRequest_t *) osi_QNext(&wlRequest->q);
3958 lock_ReleaseWrite(&smb_globalLock);
3962 for (wl = wlRequest->locks; wl; wl = (smb_waitingLock_t *) osi_QNext(&wl->q)) {
3963 if (wl->state == SMB_WAITINGLOCKSTATE_DONE)
3966 if (wl->state == SMB_WAITINGLOCKSTATE_CANCELLED) {
3967 code = CM_ERROR_LOCK_NOT_GRANTED;
3971 osi_assertx(wl->state != SMB_WAITINGLOCKSTATE_ERROR, "!SMB_WAITINGLOCKSTATE_ERROR");
3973 /* wl->state is either _DONE or _WAITING. _ERROR
3974 would no longer be on the queue. */
3975 code = cm_RetryLock( wl->lockp,
3976 !!(wlRequest->vcp->flags & SMB_VCFLAG_ALREADYDEAD) );
3979 wl->state = SMB_WAITINGLOCKSTATE_DONE;
3980 } else if (code != CM_ERROR_WOULDBLOCK) {
3981 wl->state = SMB_WAITINGLOCKSTATE_ERROR;
3986 if (code == CM_ERROR_WOULDBLOCK) {
3989 if (wlRequest->msTimeout != 0xffffffff
3990 && ((osi_Time() - wlRequest->start_t) * 1000 > wlRequest->msTimeout))
4002 osi_Log1(smb_logp, "smb_WaitingLocksDaemon discarding lock req %p",
4005 scp = wlRequest->scp;
4006 osi_Log2(smb_logp,"smb_WaitingLocksDaemon wlRequest 0x%p scp 0x%p", wlRequest, scp);
4010 lock_ObtainWrite(&scp->rw);
4012 for (wl = wlRequest->locks; wl; wl = wlNext) {
4013 wlNext = (smb_waitingLock_t *) osi_QNext(&wl->q);
4015 if (wl->state == SMB_WAITINGLOCKSTATE_DONE)
4016 cm_Unlock(scp, wlRequest->lockType, wl->LOffset,
4017 wl->LLength, wl->key, NULL, &req);
4019 osi_QRemove((osi_queue_t **) &wlRequest->locks, &wl->q);
4024 lock_ReleaseWrite(&scp->rw);
4028 osi_Log1(smb_logp, "smb_WaitingLocksDaemon granting lock req %p",
4031 for (wl = wlRequest->locks; wl; wl = wlNext) {
4032 wlNext = (smb_waitingLock_t *) osi_QNext(&wl->q);
4033 osi_QRemove((osi_queue_t **) &wlRequest->locks, &wl->q);
4038 vcp = wlRequest->vcp;
4039 inp = wlRequest->inp;
4040 outp = wlRequest->outp;
4041 ncbp = smb_GetNCB();
4042 ncbp->ncb_length = inp->ncb_length;
4043 inp->spacep = cm_GetSpace();
4045 /* Remove waitingLock from list */
4046 lock_ObtainWrite(&smb_globalLock);
4047 osi_QRemove((osi_queue_t **)&smb_allWaitingLocks,
4049 lock_ReleaseWrite(&smb_globalLock);
4051 /* Resume packet processing */
4053 smb_SetSMBDataLength(outp, 0);
4054 outp->flags |= SMB_PACKETFLAG_SUSPENDED;
4055 outp->resumeCode = code;
4057 smb_DispatchPacket(vcp, inp, outp, ncbp, NULL);
4060 cm_FreeSpace(inp->spacep);
4061 smb_FreePacket(inp);
4062 smb_FreePacket(outp);
4064 cm_ReleaseSCache(wlRequest->scp);
4067 } while (nwlRequest && smbShutdownFlag == 0);
4072 long smb_ReceiveCoreGetDiskAttributes(smb_vc_t *vcp, smb_packet_t *inp, smb_packet_t *outp)
4074 osi_Log0(smb_logp, "SMB receive get disk attributes");
4076 smb_SetSMBParm(outp, 0, 32000);
4077 smb_SetSMBParm(outp, 1, 64);
4078 smb_SetSMBParm(outp, 2, 1024);
4079 smb_SetSMBParm(outp, 3, 30000);
4080 smb_SetSMBParm(outp, 4, 0);
4081 smb_SetSMBDataLength(outp, 0);
4085 /* SMB_COM_TREE_CONNECT */
4086 long smb_ReceiveCoreTreeConnect(smb_vc_t *vcp, smb_packet_t *inp, smb_packet_t *rsp)
4090 unsigned short newTid;
4091 clientchar_t shareName[AFSPATHMAX];
4092 clientchar_t *sharePath;
4095 clientchar_t *pathp;
4098 osi_Log0(smb_logp, "SMB receive tree connect");
4100 /* parse input parameters */
4103 tbp = smb_GetSMBData(inp, NULL);
4104 pathp = smb_ParseASCIIBlock(inp, tbp, &tbp, SMB_STRF_ANSIPATH);
4106 return CM_ERROR_BADSMB;
4108 tp = cm_ClientStrRChr(pathp, '\\');
4110 return CM_ERROR_BADSMB;
4111 cm_ClientStrCpy(shareName, lengthof(shareName), tp+1);
4113 lock_ObtainMutex(&vcp->mx);
4114 newTid = vcp->tidCounter++;
4115 lock_ReleaseMutex(&vcp->mx);
4117 tidp = smb_FindTID(vcp, newTid, SMB_FLAG_CREATE);
4118 uidp = smb_FindUID(vcp, ((smb_t *)inp)->uid, 0);
4120 return CM_ERROR_BADSMB;
4121 userp = smb_GetUserFromUID(uidp);
4122 shareFound = smb_FindShare(vcp, uidp, shareName, &sharePath);
4123 smb_ReleaseUID(uidp);
4125 smb_ReleaseTID(tidp, FALSE);
4126 return CM_ERROR_BADSHARENAME;
4128 lock_ObtainMutex(&tidp->mx);
4129 tidp->userp = userp;
4130 tidp->pathname = sharePath;
4131 lock_ReleaseMutex(&tidp->mx);
4132 smb_ReleaseTID(tidp, FALSE);
4134 smb_SetSMBParm(rsp, 0, SMB_PACKETSIZE);
4135 smb_SetSMBParm(rsp, 1, newTid);
4136 smb_SetSMBDataLength(rsp, 0);
4138 osi_Log1(smb_logp, "SMB tree connect created ID %d", newTid);
4142 /* set maskp to the mask part of the incoming path.
4143 * Mask is 11 bytes long (8.3 with the dot elided).
4144 * Returns true if succeeds with a valid name, otherwise it does
4145 * its best, but returns false.
4147 int smb_Get8Dot3MaskFromPath(clientchar_t *maskp, clientchar_t *pathp)
4155 /* starts off valid */
4158 /* mask starts out all blanks */
4159 memset(maskp, ' ', 11);
4162 /* find last backslash, or use whole thing if there is none */
4163 tp = cm_ClientStrRChr(pathp, '\\');
4167 tp++; /* skip slash */
4171 /* names starting with a dot are illegal */
4179 if (tc == '.' || tc == '"')
4187 /* if we get here, tp point after the dot */
4188 up = maskp+8; /* ext goes here */
4195 if (tc == '.' || tc == '"')
4198 /* copy extension if not too long */
4208 int smb_Match8Dot3Mask(clientchar_t *unixNamep, clientchar_t *maskp)
4210 clientchar_t umask[11];
4218 /* XXX redo this, calling cm_MatchMask with a converted mask */
4220 valid = smb_Get8Dot3MaskFromPath(umask, unixNamep);
4224 /* otherwise, we have a valid 8.3 name; see if we have a match,
4225 * treating '?' as a wildcard in maskp (but not in the file name).
4227 tp1 = umask; /* real name, in mask format */
4228 tp2 = maskp; /* mask, in mask format */
4229 for(i=0; i<11; i++) {
4230 tc1 = *tp1++; /* clientchar_t from real name */
4231 tc2 = *tp2++; /* clientchar_t from mask */
4232 tc1 = (clientchar_t) cm_foldUpper[(clientchar_t)tc1];
4233 tc2 = (clientchar_t) cm_foldUpper[(clientchar_t)tc2];
4236 if (tc2 == '?' && tc1 != ' ')
4243 /* we got a match */
4247 clientchar_t *smb_FindMask(clientchar_t *pathp)
4251 tp = cm_ClientStrRChr(pathp, '\\'); /* find last slash */
4254 return tp+1; /* skip the slash */
4256 return pathp; /* no slash, return the entire path */
4259 /* SMB_COM_SEARCH for a volume label
4261 (This is called from smb_ReceiveCoreSearchDir() and not an actual
4262 dispatch function.) */
4263 long smb_ReceiveCoreSearchVolume(smb_vc_t *vcp, smb_packet_t *inp, smb_packet_t *outp)
4265 clientchar_t *pathp;
4267 clientchar_t mask[12];
4268 unsigned char *statBlockp;
4269 unsigned char initStatBlock[21];
4272 osi_Log0(smb_logp, "SMB receive search volume");
4274 /* pull pathname and stat block out of request */
4275 tp = smb_GetSMBData(inp, NULL);
4276 pathp = smb_ParseASCIIBlock(inp, tp, &tp,
4277 SMB_STRF_ANSIPATH|SMB_STRF_FORCEASCII);
4279 return CM_ERROR_BADSMB;
4280 statBlockp = smb_ParseVblBlock(tp, &tp, &statLen);
4281 osi_assertx(statBlockp != NULL, "null statBlock");
4283 statBlockp = initStatBlock;
4287 /* for returning to caller */
4288 smb_Get8Dot3MaskFromPath(mask, pathp);
4290 smb_SetSMBParm(outp, 0, 1); /* we're returning one entry */
4291 tp = smb_GetSMBData(outp, NULL);
4293 *tp++ = 43; /* bytes in a dir entry */
4294 *tp++ = 0; /* high byte in counter */
4296 /* now marshall the dir entry, starting with the search status */
4297 *tp++ = statBlockp[0]; /* Reserved */
4298 memcpy(tp, mask, 11); tp += 11; /* FileName */
4300 /* now pass back server use info, with 1st byte non-zero */
4302 memset(tp, 0, 4); tp += 4; /* reserved for server use */
4304 memcpy(tp, statBlockp+17, 4); tp += 4; /* reserved for consumer */
4306 *tp++ = 0x8; /* attribute: volume */
4316 /* 4 byte file size */
4322 /* The filename is a UCHAR buffer that is ASCII even if Unicode
4325 /* finally, null-terminated 8.3 pathname, which we set to AFS */
4326 memset(tp, ' ', 13);
4329 /* set the length of the data part of the packet to 43 + 3, for the dir
4330 * entry plus the 5 and the length fields.
4332 smb_SetSMBDataLength(outp, 46);
4337 smb_ApplyDirListPatches(cm_scache_t * dscp, smb_dirListPatch_t **dirPatchespp,
4338 clientchar_t * tidPathp, clientchar_t * relPathp,
4339 cm_user_t *userp, cm_req_t *reqp)
4347 smb_dirListPatch_t *patchp;
4348 smb_dirListPatch_t *npatchp;
4349 clientchar_t path[AFSPATHMAX];
4351 afs_int32 mustFake = 0;
4353 code = cm_FindACLCache(dscp, userp, &rights);
4355 lock_ObtainWrite(&dscp->rw);
4356 code = cm_SyncOp(dscp, NULL, userp, reqp, PRSFS_READ,
4357 CM_SCACHESYNC_NEEDCALLBACK | CM_SCACHESYNC_GETSTATUS);
4358 lock_ReleaseWrite(&dscp->rw);
4359 if (code == CM_ERROR_NOACCESS) {
4367 if (!mustFake) { /* Bulk Stat */
4369 cm_bulkStat_t *bsp = malloc(sizeof(cm_bulkStat_t));
4371 memset(bsp, 0, sizeof(cm_bulkStat_t));
4373 for (patchp = *dirPatchespp, count=0;
4375 patchp = (smb_dirListPatch_t *) osi_QNext(&patchp->q)) {
4376 cm_scache_t *tscp = cm_FindSCache(&patchp->fid);
4380 if (lock_TryWrite(&tscp->rw)) {
4381 /* we have an entry that we can look at */
4382 if (!(tscp->flags & CM_SCACHEFLAG_EACCESS) && cm_HaveCallback(tscp)) {
4383 /* we have a callback on it. Don't bother
4384 * fetching this stat entry, since we're happy
4385 * with the info we have.
4387 lock_ReleaseWrite(&tscp->rw);
4388 cm_ReleaseSCache(tscp);
4391 lock_ReleaseWrite(&tscp->rw);
4393 cm_ReleaseSCache(tscp);
4397 bsp->fids[i].Volume = patchp->fid.volume;
4398 bsp->fids[i].Vnode = patchp->fid.vnode;
4399 bsp->fids[i].Unique = patchp->fid.unique;
4401 if (bsp->counter == AFSCBMAX) {
4402 code = cm_TryBulkStatRPC(dscp, bsp,&