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>
12 #include <afs/afs_args.h>
24 #include <rx\rx_null.h>
26 #include <WINNT/syscfg.h>
30 #include "lanahelper.h"
32 extern int RXAFSCB_ExecuteRequest(struct rx_call *z_call);
33 extern int RXSTATS_ExecuteRequest(struct rx_call *z_call);
35 extern afs_int32 cryptall;
37 char AFSConfigKeyName[] =
38 "SYSTEM\\CurrentControlSet\\Services\\TransarcAFSDaemon\\Parameters";
42 char cm_rootVolumeName[64];
43 DWORD cm_rootVolumeNameLen;
44 cm_volume_t *cm_rootVolumep = NULL;
45 cm_cell_t *cm_rootCellp = NULL;
47 cm_scache_t *cm_rootSCachep;
48 char cm_mountRoot[1024];
49 DWORD cm_mountRootLen;
52 #ifdef AFS_FREELANCE_CLIENT
54 #endif /* freelance */
67 char cm_HostName[200];
70 char cm_CachePath[200];
71 DWORD cm_CachePathLen;
73 BOOL isGateway = FALSE;
75 BOOL reportSessionStartups = FALSE;
77 cm_initparams_v1 cm_initParams;
80 * AFSD Initialization Log
82 * This is distinct from the regular debug logging facility.
83 * Log items go directly to a file, not to an array in memory, so that even
84 * if AFSD crashes, the log can be inspected.
90 int cm_dnsEnabled = 1;
93 char cm_NetBiosName[32];
103 afsi_file = INVALID_HANDLE_VALUE;
104 code = GetWindowsDirectory(wd, sizeof(wd));
105 if (code == 0) return;
106 strcat(wd, "\\afsd_init.log");
107 GetTimeFormat(LOCALE_SYSTEM_DEFAULT, 0, NULL, NULL, t, sizeof(t));
108 afsi_file = CreateFile(wd, GENERIC_WRITE, FILE_SHARE_READ, NULL,
109 OPEN_ALWAYS, FILE_FLAG_WRITE_THROUGH, NULL);
110 SetFilePointer(afsi_file, 0, NULL, FILE_END);
111 GetTimeFormat(LOCALE_SYSTEM_DEFAULT, 0, NULL, NULL, u, sizeof(u));
112 strcat(t, ": Create log file\n");
113 strcat(u, ": Created log file\n");
114 WriteFile(afsi_file, t, strlen(t), &zilch, NULL);
115 WriteFile(afsi_file, u, strlen(u), &zilch, NULL);
118 static int afsi_log_useTimestamp = 1;
121 afsi_log(char *pattern, ...)
123 char s[100], t[100], u[100];
126 va_start(ap, pattern);
128 vsprintf(s, pattern, ap);
129 if ( afsi_log_useTimestamp ) {
130 GetTimeFormat(LOCALE_SYSTEM_DEFAULT, 0, NULL, NULL, t, sizeof(t));
131 sprintf(u, "%s: %s\n", t, s);
132 if (afsi_file != INVALID_HANDLE_VALUE)
133 WriteFile(afsi_file, u, strlen(u), &zilch, NULL);
138 if (afsi_file != INVALID_HANDLE_VALUE)
139 WriteFile(afsi_file, s, strlen(s), &zilch, NULL);
144 * Standard AFSD trace
147 void afsd_ForceTrace(BOOL flush)
153 if (!logReady) return;
155 len = GetTempPath(99, buf);
156 strcpy(&buf[len], "/afsd.log");
157 handle = CreateFile(buf, GENERIC_WRITE, FILE_SHARE_READ,
158 NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
159 if (handle == INVALID_HANDLE_VALUE) {
161 osi_panic("Cannot create log file", __FILE__, __LINE__);
163 osi_LogPrint(afsd_logp, handle);
165 FlushFileBuffers(handle);
170 * AFSD Initialization
173 int afsd_InitCM(char **reasonP)
182 long rx_mtu, rx_nojumbo;
183 char rootCellName[256];
184 struct rx_service *serverp;
185 static struct rx_securityClass *nullServerSecurityClassp;
192 /*int freelanceEnabled;*/
195 WSAStartup(0x0101, &WSAjunk);
197 /* setup osidebug server at RPC slot 1000 */
198 osi_LongToUID(1000, &debugID);
199 code = osi_InitDebug(&debugID);
200 afsi_log("osi_InitDebug code %d", code);
201 // osi_LockTypeSetDefault("stat"); /* comment this out for speed *
203 *reasonP = "unknown error";
208 gethostname(cm_HostName, sizeof(cm_HostName));
209 afsi_log("gethostname %s", cm_HostName);
210 thp = gethostbyname(cm_HostName);
211 memcpy(&cm_HostAddr, thp->h_addr_list[0], 4);
213 /* seed random number generator */
214 srand(ntohl(cm_HostAddr));
216 /* Look up configuration parameters in Registry */
218 code = RegOpenKeyEx(HKEY_LOCAL_MACHINE, AFSConfigKeyName,
219 0, KEY_QUERY_VALUE, &parmKey);
220 if (code != ERROR_SUCCESS) {
221 FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM
222 | FORMAT_MESSAGE_ALLOCATE_BUFFER,
223 NULL, code, 0, (LPTSTR)&msgBuf, 0, NULL);
225 "Failure in configuration while opening Registry: %s",
227 osi_panic(buf, __FILE__, __LINE__);
230 dummyLen = sizeof(LANadapter);
231 code = RegQueryValueEx(parmKey, "LANadapter", NULL, NULL,
232 (BYTE *) &LANadapter, &dummyLen);
233 if (code == ERROR_SUCCESS) {
234 afsi_log("LAN adapter number %d", LANadapter);
235 if (LANadapter < 0 || LANadapter > MAX_LANA)
240 if ( LANadapter == -1 )
241 afsi_log("Default LAN adapter number");
243 dummyLen = sizeof(cacheSize);
244 code = RegQueryValueEx(parmKey, "CacheSize", NULL, NULL,
245 (BYTE *) &cacheSize, &dummyLen);
246 if (code == ERROR_SUCCESS)
247 afsi_log("Cache size %d", cacheSize);
249 cacheSize = CM_CONFIGDEFAULT_CACHESIZE;
250 afsi_log("Default cache size %d", cacheSize);
253 dummyLen = sizeof(logChunkSize);
254 code = RegQueryValueEx(parmKey, "ChunkSize", NULL, NULL,
255 (BYTE *) &logChunkSize, &dummyLen);
256 if (code == ERROR_SUCCESS) {
257 if (logChunkSize < 12 || logChunkSize > 30) {
258 afsi_log("Invalid chunk size %d, using default",
260 logChunkSize = CM_CONFIGDEFAULT_CHUNKSIZE;
262 afsi_log("Chunk size %d", logChunkSize);
264 logChunkSize = CM_CONFIGDEFAULT_CHUNKSIZE;
265 afsi_log("Default chunk size %d", logChunkSize);
267 cm_logChunkSize = logChunkSize;
268 cm_chunkSize = 1 << logChunkSize;
270 dummyLen = sizeof(numBkgD);
271 code = RegQueryValueEx(parmKey, "Daemons", NULL, NULL,
272 (BYTE *) &numBkgD, &dummyLen);
273 if (code == ERROR_SUCCESS)
274 afsi_log("%d background daemons", numBkgD);
276 numBkgD = CM_CONFIGDEFAULT_DAEMONS;
277 afsi_log("Defaulting to %d background daemons", numBkgD);
280 dummyLen = sizeof(numSvThreads);
281 code = RegQueryValueEx(parmKey, "ServerThreads", NULL, NULL,
282 (BYTE *) &numSvThreads, &dummyLen);
283 if (code == ERROR_SUCCESS)
284 afsi_log("%d server threads", numSvThreads);
286 numSvThreads = CM_CONFIGDEFAULT_SVTHREADS;
287 afsi_log("Defaulting to %d server threads", numSvThreads);
290 dummyLen = sizeof(stats);
291 code = RegQueryValueEx(parmKey, "Stats", NULL, NULL,
292 (BYTE *) &stats, &dummyLen);
293 if (code == ERROR_SUCCESS)
294 afsi_log("Status cache size %d", stats);
296 stats = CM_CONFIGDEFAULT_STATS;
297 afsi_log("Default status cache size %d", stats);
300 dummyLen = sizeof(ltt);
301 code = RegQueryValueEx(parmKey, "LogoffTokenTransfer", NULL, NULL,
302 (BYTE *) <t, &dummyLen);
303 if (code == ERROR_SUCCESS)
304 afsi_log("Logoff token transfer %s", (ltt ? "on" : "off"));
307 afsi_log("Logoff token transfer on by default");
309 smb_LogoffTokenTransfer = ltt;
312 dummyLen = sizeof(ltto);
313 code = RegQueryValueEx(parmKey, "LogoffTokenTransferTimeout",
314 NULL, NULL, (BYTE *) <to, &dummyLen);
315 if (code == ERROR_SUCCESS)
316 afsi_log("Logoff token tranfer timeout %d seconds",
320 afsi_log("Default logoff token transfer timeout 10 seconds");
323 smb_LogoffTransferTimeout = ltto;
325 dummyLen = sizeof(cm_rootVolumeName);
326 code = RegQueryValueEx(parmKey, "RootVolume", NULL, NULL,
327 cm_rootVolumeName, &dummyLen);
328 if (code == ERROR_SUCCESS)
329 afsi_log("Root volume %s", cm_rootVolumeName);
331 strcpy(cm_rootVolumeName, "root.afs");
332 afsi_log("Default root volume name root.afs");
335 cm_mountRootLen = sizeof(cm_mountRoot);
336 code = RegQueryValueEx(parmKey, "Mountroot", NULL, NULL,
337 cm_mountRoot, &cm_mountRootLen);
338 if (code == ERROR_SUCCESS) {
339 afsi_log("Mount root %s", cm_mountRoot);
340 cm_mountRootLen = strlen(cm_mountRoot);
342 strcpy(cm_mountRoot, "/afs");
347 dummyLen = sizeof(cm_CachePath);
348 code = RegQueryValueEx(parmKey, "CachePath", NULL, NULL,
349 cm_CachePath, &dummyLen);
350 if (code == ERROR_SUCCESS)
351 afsi_log("Cache path %s", cm_CachePath);
353 GetWindowsDirectory(cm_CachePath, sizeof(cm_CachePath));
354 cm_CachePath[2] = 0; /* get drive letter only */
355 strcat(cm_CachePath, "\\AFSCache");
356 afsi_log("Default cache path %s", cm_CachePath);
359 dummyLen = sizeof(traceOnPanic);
360 code = RegQueryValueEx(parmKey, "TrapOnPanic", NULL, NULL,
361 (BYTE *) &traceOnPanic, &dummyLen);
362 if (code == ERROR_SUCCESS)
363 afsi_log("Set to %s on panic",
364 traceOnPanic ? "trap" : "not trap");
370 dummyLen = sizeof(isGateway);
371 code = RegQueryValueEx(parmKey, "IsGateway", NULL, NULL,
372 (BYTE *) &isGateway, &dummyLen);
373 if (code == ERROR_SUCCESS)
374 afsi_log("Set for %s service",
375 isGateway ? "gateway" : "stand-alone");
381 dummyLen = sizeof(reportSessionStartups);
382 code = RegQueryValueEx(parmKey, "ReportSessionStartups", NULL, NULL,
383 (BYTE *) &reportSessionStartups, &dummyLen);
384 if (code == ERROR_SUCCESS)
385 afsi_log("Session startups %s be recorded in the Event Log",
386 reportSessionStartups ? "will" : "will not");
388 reportSessionStartups = 0;
392 dummyLen = sizeof(traceBufSize);
393 code = RegQueryValueEx(parmKey, "TraceBufferSize", NULL, NULL,
394 (BYTE *) &traceBufSize, &dummyLen);
395 if (code == ERROR_SUCCESS)
396 afsi_log("Trace Buffer size %d", traceBufSize);
398 traceBufSize = CM_CONFIGDEFAULT_TRACEBUFSIZE;
399 afsi_log("Default trace buffer size %d", traceBufSize);
402 dummyLen = sizeof(cm_sysName);
403 code = RegQueryValueEx(parmKey, "SysName", NULL, NULL,
404 cm_sysName, &dummyLen);
405 if (code == ERROR_SUCCESS)
406 afsi_log("Sys name %s", cm_sysName);
408 strcat(cm_sysName, "i386_nt40");
409 afsi_log("Default sys name %s", cm_sysName);
412 dummyLen = sizeof(cryptall);
413 code = RegQueryValueEx(parmKey, "SecurityLevel", NULL, NULL,
414 (BYTE *) &cryptall, &dummyLen);
415 if (code == ERROR_SUCCESS)
416 afsi_log("SecurityLevel is %s", cryptall?"crypt":"clear");
418 cryptall = rxkad_clear;
419 afsi_log("Default SecurityLevel is clear");
423 dummyLen = sizeof(cm_dnsEnabled);
424 code = RegQueryValueEx(parmKey, "UseDNS", NULL, NULL,
425 (BYTE *) &cm_dnsEnabled, &dummyLen);
426 if (code == ERROR_SUCCESS) {
427 afsi_log("DNS %s be used to find AFS cell servers",
428 cm_dnsEnabled ? "will" : "will not");
431 cm_dnsEnabled = 1; /* default on */
432 afsi_log("Default to use DNS to find AFS cell servers");
434 #else /* AFS_AFSDB_ENV */
435 afsi_log("AFS not built with DNS support to find AFS cell servers");
436 #endif /* AFS_AFSDB_ENV */
438 #ifdef AFS_FREELANCE_CLIENT
439 dummyLen = sizeof(cm_freelanceEnabled);
440 code = RegQueryValueEx(parmKey, "FreelanceClient", NULL, NULL,
441 (BYTE *) &cm_freelanceEnabled, &dummyLen);
442 if (code == ERROR_SUCCESS) {
443 afsi_log("Freelance client feature %s activated",
444 cm_freelanceEnabled ? "is" : "is not");
447 cm_freelanceEnabled = 0; /* default off */
449 #endif /* AFS_FREELANCE_CLIENT */
451 dummyLen = sizeof(cm_NetBiosName);
452 code = RegQueryValueEx(parmKey, "NetbiosName", NULL, NULL,
453 (BYTE *) &cm_NetBiosName, &dummyLen);
454 if (code == ERROR_SUCCESS) {
455 afsi_log("Explicit NetBios name is used %s", cm_NetBiosName);
458 cm_NetBiosName[0] = 0; /* default off */
461 dummyLen = sizeof(smb_hideDotFiles);
462 code = RegQueryValueEx(parmKey, "HideDotFiles", NULL, NULL,
463 (BYTE *) &smb_hideDotFiles, &dummyLen);
464 if (code != ERROR_SUCCESS) {
465 smb_hideDotFiles = 1; /* default on */
467 afsi_log("Dot files/dirs will %sbe marked hidden",
468 smb_hideDotFiles ? "" : "not ");
470 dummyLen = sizeof(smb_maxMpxRequests);
471 code = RegQueryValueEx(parmKey, "MaxMpxRequests", NULL, NULL,
472 (BYTE *) &smb_maxMpxRequests, &dummyLen);
473 if (code != ERROR_SUCCESS) {
474 smb_maxMpxRequests = 50;
476 afsi_log("Maximum number of multiplexed sessions is %d", smb_maxMpxRequests);
478 dummyLen = sizeof(smb_maxVCPerServer);
479 code = RegQueryValueEx(parmKey, "MaxVCPerServer", NULL, NULL,
480 (BYTE *) &smb_maxVCPerServer, &dummyLen);
481 if (code != ERROR_SUCCESS) {
482 smb_maxVCPerServer = 100;
484 afsi_log("Maximum number of VCs per server is %d", smb_maxVCPerServer);
486 dummyLen = sizeof(rx_nojumbo);
487 code = RegQueryValueEx(parmKey, "RxNoJumbo", NULL, NULL,
488 (BYTE *) &rx_nojumbo, &dummyLen);
489 if (code != ERROR_SUCCESS) {
493 afsi_log("RX Jumbograms are disabled");
495 dummyLen = sizeof(rx_mtu);
496 code = RegQueryValueEx(parmKey, "RxMaxMTU", NULL, NULL,
497 (BYTE *) &rx_mtu, &dummyLen);
498 if (code != ERROR_SUCCESS || !rx_mtu) {
502 afsi_log("RX maximum MTU is %d", rx_mtu);
504 RegCloseKey (parmKey);
506 /* setup early variables */
507 /* These both used to be configurable. */
509 buf_bufferSize = CM_CONFIGDEFAULT_BLOCKSIZE;
511 /* turn from 1024 byte units into memory blocks */
512 cacheBlocks = (cacheSize * 1024) / buf_bufferSize;
514 /* setup and enable debug log */
515 afsd_logp = osi_LogCreate("afsd", traceBufSize);
516 afsi_log("osi_LogCreate log addr %x", (int)afsd_logp);
517 osi_LogEnable(afsd_logp);
520 osi_Log0(afsd_logp, "Log init");
522 /* get network related info */
523 cm_noIPAddr = CM_MAXINTERFACE_ADDR;
524 code = syscfg_GetIFInfo(&cm_noIPAddr,
525 cm_IPAddr, cm_SubnetMask,
526 cm_NetMtu, cm_NetFlags);
528 if ( (cm_noIPAddr <= 0) || (code <= 0 ) )
529 afsi_log("syscfg_GetIFInfo error code %d", code);
531 afsi_log("First Network address %x SubnetMask %x",
532 cm_IPAddr[0], cm_SubnetMask[0]);
535 * Save client configuration for GetCacheConfig requests
537 cm_initParams.nChunkFiles = 0;
538 cm_initParams.nStatCaches = stats;
539 cm_initParams.nDataCaches = 0;
540 cm_initParams.nVolumeCaches = 0;
541 cm_initParams.firstChunkSize = cm_chunkSize;
542 cm_initParams.otherChunkSize = cm_chunkSize;
543 cm_initParams.cacheSize = cacheSize;
544 cm_initParams.setTime = 0;
545 cm_initParams.memCache = 0;
547 /* Set RX parameters before initializing RX */
552 rx_SetMaxMTU(rx_mtu);
554 /* initialize RX, and tell it to listen to port 7001, which is used for
555 * callback RPC messages.
557 code = rx_Init(htons(7001));
558 afsi_log("rx_Init code %x", code);
560 *reasonP = "afsd: failed to init rx client on port 7001";
564 /* Initialize the RPC server for session keys */
567 /* create an unauthenticated service #1 for callbacks */
568 nullServerSecurityClassp = rxnull_NewServerSecurityObject();
569 serverp = rx_NewService(0, 1, "AFS", &nullServerSecurityClassp, 1,
570 RXAFSCB_ExecuteRequest);
571 afsi_log("rx_NewService addr %x", (int)serverp);
572 if (serverp == NULL) {
573 *reasonP = "unknown error";
577 nullServerSecurityClassp = rxnull_NewServerSecurityObject();
578 serverp = rx_NewService(0, RX_STATS_SERVICE_ID, "rpcstats",
579 &nullServerSecurityClassp, 1, RXSTATS_ExecuteRequest);
580 afsi_log("rx_NewService addr %x", (int)serverp);
581 if (serverp == NULL) {
582 *reasonP = "unknown error";
586 /* start server threads, *not* donating this one to the pool */
588 afsi_log("rx_StartServer");
590 /* init user daemon, and other packages */
593 cm_InitACLCache(2*stats);
609 cm_InitSCache(stats);
611 code = cm_InitDCache(0, cacheBlocks);
612 afsi_log("cm_InitDCache code %x", code);
614 *reasonP = "error initializing cache";
619 #if !defined(_WIN32_WINNT) || _WIN32_WINNT < 0x500
620 if (cm_InitDNS(cm_dnsEnabled) == -1)
621 cm_dnsEnabled = 0; /* init failed, so deactivate */
622 afsi_log("cm_InitDNS %d", cm_dnsEnabled);
626 code = cm_GetRootCellName(rootCellName);
627 afsi_log("cm_GetRootCellName code %d, cm_freelanceEnabled= %d, rcn= %s",
628 code, cm_freelanceEnabled, (code ? "<none>" : rootCellName));
629 if (code != 0 && !cm_freelanceEnabled)
631 *reasonP = "can't find root cell name in afsd.ini";
634 else if (cm_freelanceEnabled)
637 if (code == 0 && !cm_freelanceEnabled)
639 cm_rootCellp = cm_GetCell(rootCellName, CM_FLAG_CREATE);
640 afsi_log("cm_GetCell addr %x", (int)cm_rootCellp);
641 if (cm_rootCellp == NULL)
643 *reasonP = "can't find root cell in afsdcell.ini";
648 #ifdef AFS_FREELANCE_CLIENT
649 if (cm_freelanceEnabled)
656 int afsd_InitDaemons(char **reasonP)
663 /* this should really be in an init daemon from here on down */
665 if (!cm_freelanceEnabled) {
666 code = cm_GetVolumeByName(cm_rootCellp, cm_rootVolumeName, cm_rootUserp,
667 &req, CM_FLAG_CREATE, &cm_rootVolumep);
668 afsi_log("cm_GetVolumeByName code %x root vol %x", code,
669 (code ? (cm_volume_t *)-1 : cm_rootVolumep));
671 *reasonP = "can't find root volume in root cell";
676 /* compute the root fid */
677 if (!cm_freelanceEnabled) {
678 cm_rootFid.cell = cm_rootCellp->cellID;
679 cm_rootFid.volume = cm_GetROVolumeID(cm_rootVolumep);
680 cm_rootFid.vnode = 1;
681 cm_rootFid.unique = 1;
684 cm_FakeRootFid(&cm_rootFid);
686 code = cm_GetSCache(&cm_rootFid, &cm_rootSCachep, cm_rootUserp, &req);
687 afsi_log("cm_GetSCache code %x scache %x", code,
688 (code ? (cm_scache_t *)-1 : cm_rootSCachep));
690 *reasonP = "unknown error";
694 cm_InitDaemon(numBkgD);
695 afsi_log("cm_InitDaemon");
700 int afsd_InitSMB(char **reasonP, void *aMBfunc)
706 /* Do this last so that we don't handle requests before init is done.
707 * Here we initialize the SMB listener.
709 if (LANadapter == -1) {
710 /* Find the default LAN adapter to use. First look for
711 * the adapter named AFS; otherwise, unless we are doing
712 * gateway service, look for any valid loopback adapter.
714 lana = lana_FindLanaByName("AFS");
715 if (lana == LANA_INVALID && !isGateway)
716 lana = lana_FindLoopback();
717 if (lana != LANA_INVALID)
720 afsi_log("Lana %d", (int) lana);
721 /* If we are using a loopback adapter, we can use the preferred
722 * (but non-unique) server name; otherwise, we must fall back to
723 * the <machine>-AFS name.
725 if (LANadapter >= 0 && lana_IsLoopback((lana_number_t) LANadapter)) {
726 if ( cm_NetBiosName[0] )
727 strcpy(hostName, cm_NetBiosName);
729 strcpy(hostName, "AFS");
731 if (!cm_NetBiosName[0])
733 strcpy(hostName, cm_HostName);
734 ctemp = strchr(hostName, '.'); /* turn ntdfs.* into ntdfs */
735 if (ctemp) *ctemp = 0;
736 hostName[11] = 0; /* ensure that even after adding the -A, we
737 * leave one byte free for the netbios server
740 strcat(hostName, "-AFS");
742 strcpy(hostName, cm_NetBiosName);
746 smb_Init(afsd_logp, hostName, smb_UseV3, LANadapter, numSvThreads, aMBfunc);
747 afsi_log("smb_Init");
760 #pragma pack( push, before_imagehlp, 8 )
761 #include <imagehlp.h>
762 #pragma pack( pop, before_imagehlp )
764 #define MAXNAMELEN 1024
766 void afsd_printStack(HANDLE hThread, CONTEXT *c)
768 HANDLE hProcess = GetCurrentProcess();
772 char functionName[MAXNAMELEN];
774 IMAGEHLP_MODULE Module;
778 IMAGEHLP_SYMBOL *pSym;
780 afsi_log_useTimestamp = 0;
782 pSym = (IMAGEHLP_SYMBOL *) GlobalAlloc(0, sizeof (IMAGEHLP_SYMBOL) + MAXNAMELEN);
784 memset( &s, '\0', sizeof s );
785 if (!SymInitialize(hProcess, NULL, 1) )
787 afsi_log("SymInitialize(): GetLastError() = %lu\n", GetLastError() );
789 SymCleanup( hProcess );
795 symOptions = SymGetOptions();
796 symOptions |= SYMOPT_LOAD_LINES;
797 symOptions &= ~SYMOPT_UNDNAME;
798 SymSetOptions( symOptions );
801 * init STACKFRAME for first call
802 * Notes: AddrModeFlat is just an assumption. I hate VDM debugging.
803 * Notes: will have to be #ifdef-ed for Alphas; MIPSes are dead anyway,
806 #if defined (_ALPHA_) || defined (_MIPS_) || defined (_PPC_)
807 #error The STACKFRAME initialization in afsd_printStack() for this platform
808 #error must be properly configured
810 s.AddrPC.Offset = c->Eip;
811 s.AddrPC.Mode = AddrModeFlat;
812 s.AddrFrame.Offset = c->Ebp;
813 s.AddrFrame.Mode = AddrModeFlat;
816 memset( pSym, '\0', sizeof (IMAGEHLP_SYMBOL) + MAXNAMELEN );
817 pSym->SizeOfStruct = sizeof (IMAGEHLP_SYMBOL);
818 pSym->MaxNameLength = MAXNAMELEN;
820 memset( &Line, '\0', sizeof Line );
821 Line.SizeOfStruct = sizeof Line;
823 memset( &Module, '\0', sizeof Module );
824 Module.SizeOfStruct = sizeof Module;
828 afsi_log("\n--# FV EIP----- RetAddr- FramePtr StackPtr Symbol\n" );
830 for ( frameNum = 0; ; ++ frameNum )
833 * get next stack frame (StackWalk(), SymFunctionTableAccess(),
834 * SymGetModuleBase()). if this returns ERROR_INVALID_ADDRESS (487) or
835 * ERROR_NOACCESS (998), you can assume that either you are done, or
836 * that the stack is so hosed that the next deeper frame could not be
839 if ( ! StackWalk( IMAGE_FILE_MACHINE_I386, hProcess, hThread, &s, c,
840 NULL, SymFunctionTableAccess, SymGetModuleBase,
844 /* display its contents */
845 afsi_log("\n%3d %c%c %08lx %08lx %08lx %08lx ",
846 frameNum, s.Far? 'F': '.', s.Virtual? 'V': '.',
847 s.AddrPC.Offset, s.AddrReturn.Offset,
848 s.AddrFrame.Offset, s.AddrStack.Offset );
850 if ( s.AddrPC.Offset == 0 )
852 afsi_log("(-nosymbols- PC == 0)\n" );
856 /* show procedure info from a valid PC */
857 if (!SymGetSymFromAddr(hProcess, s.AddrPC.Offset, &offset, pSym))
859 if ( GetLastError() != ERROR_INVALID_ADDRESS )
861 afsi_log("SymGetSymFromAddr(): errno = %lu\n",
867 UnDecorateSymbolName(pSym->Name, functionName, MAXNAMELEN,
869 afsi_log("%s", functionName );
873 afsi_log(" %+ld bytes\n", (long) offset);
877 if (!SymGetLineFromAddr(hProcess, s.AddrPC.Offset, &offset, &Line))
879 if (GetLastError() != ERROR_INVALID_ADDRESS)
881 afsi_log("Error: SymGetLineFromAddr(): errno = %lu\n",
887 afsi_log(" Line: %s(%lu) %+ld bytes\n", Line.FileName,
888 Line.LineNumber, offset);
893 /* no return address means no deeper stackframe */
894 if (s.AddrReturn.Offset == 0)
901 if (GetLastError() != 0)
903 afsi_log("\nStackWalk(): errno = %lu\n", GetLastError());
906 SymCleanup(hProcess);
911 static DWORD *afsd_crtDbgBreakCurrent = NULL;
912 static DWORD afsd_crtDbgBreaks[256];
915 LONG __stdcall afsd_ExceptionFilter(EXCEPTION_POINTERS *ep)
919 BOOL allocRequestBrk = FALSE;
922 afsi_log("UnhandledException : code : 0x%x, address: 0x%x\n",
923 ep->ExceptionRecord->ExceptionCode,
924 ep->ExceptionRecord->ExceptionAddress);
927 if (afsd_crtDbgBreakCurrent &&
928 *afsd_crtDbgBreakCurrent == _CrtSetBreakAlloc(*afsd_crtDbgBreakCurrent))
930 allocRequestBrk = TRUE;
931 afsi_log("Breaking on alloc request # %d\n", *afsd_crtDbgBreakCurrent);
935 /* save context if we want to print the stack information */
936 context = *ep->ContextRecord;
938 afsd_printStack(GetCurrentThread(), &context);
940 if (ep->ExceptionRecord->ExceptionCode == EXCEPTION_BREAKPOINT)
942 afsi_log("EXCEPTION_BREAKPOINT - continue execition ...\n");
947 afsd_crtDbgBreakCurrent++;
948 _CrtSetBreakAlloc(*afsd_crtDbgBreakCurrent);
952 ep->ContextRecord->Eip++;
953 return EXCEPTION_CONTINUE_EXECUTION;
957 return EXCEPTION_CONTINUE_SEARCH;
961 void afsd_SetUnhandledExceptionFilter()
963 SetUnhandledExceptionFilter(afsd_ExceptionFilter);
967 void afsd_DbgBreakAllocInit()
969 memset(afsd_crtDbgBreaks, -1, sizeof(afsd_crtDbgBreaks));
970 afsd_crtDbgBreakCurrent = afsd_crtDbgBreaks;
973 void afsd_DbgBreakAdd(DWORD requestNumber)
976 for (i = 0; i < sizeof(afsd_crtDbgBreaks) - 1; i++)
978 if (afsd_crtDbgBreaks[i] == -1)
983 afsd_crtDbgBreaks[i] = requestNumber;
985 _CrtSetBreakAlloc(afsd_crtDbgBreaks[0]);