source: branches/samba-3.5.x/source3/libsmb/libsmb_context.c

Last change on this file was 414, checked in by Herwig Bauernfeind, 15 years ago

Samba 3.5.0: Initial import
File size: 26.7 KB
Line 
1/*
2 Unix SMB/Netbios implementation.
3 SMB client library implementation
4 Copyright (C) Andrew Tridgell 1998
5 Copyright (C) Richard Sharpe 2000, 2002
6 Copyright (C) John Terpstra 2000
7 Copyright (C) Tom Jansen (Ninja ISD) 2002
8 Copyright (C) Derrell Lipman 2003-2008
9 Copyright (C) Jeremy Allison 2007, 2008
10
11 This program is free software; you can redistribute it and/or modify
12 it under the terms of the GNU General Public License as published by
13 the Free Software Foundation; either version 3 of the License, or
14 (at your option) any later version.
15
16 This program is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 GNU General Public License for more details.
20
21 You should have received a copy of the GNU General Public License
22 along with this program. If not, see <http://www.gnu.org/licenses/>.
23*/
24
25#include "includes.h"
26#include "libsmbclient.h"
27#include "libsmb_internal.h"
28
29
30/*
31 * Is the logging working / configfile read ?
32 */
33static bool SMBC_initialized = false;
34static unsigned int initialized_ctx_count = 0;
35static void *initialized_ctx_count_mutex = NULL;
36
37/*
38 * Do some module- and library-wide intializations
39 */
40static void
41SMBC_module_init(void * punused)
42{
43 bool conf_loaded = False;
44 char *home = NULL;
45 TALLOC_CTX *frame = talloc_stackframe();
46
47 load_case_tables();
48
49 setup_logging("libsmbclient", True);
50
51 /* Here we would open the smb.conf file if needed ... */
52
53 lp_set_in_client(True);
54
55 home = getenv("HOME");
56 if (home) {
57 char *conf = NULL;
58 if (asprintf(&conf, "%s/.smb/smb.conf", home) > 0) {
59 if (lp_load(conf, True, False, False, True)) {
60 conf_loaded = True;
61 } else {
62 DEBUG(5, ("Could not load config file: %s\n",
63 conf));
64 }
65 SAFE_FREE(conf);
66 }
67 }
68
69 if (!conf_loaded) {
70 /*
71 * Well, if that failed, try the get_dyn_CONFIGFILE
72 * Which points to the standard locn, and if that
73 * fails, silently ignore it and use the internal
74 * defaults ...
75 */
76
77 if (!lp_load(get_dyn_CONFIGFILE(), True, False, False, False)) {
78 DEBUG(5, ("Could not load config file: %s\n",
79 get_dyn_CONFIGFILE()));
80 } else if (home) {
81 char *conf;
82 /*
83 * We loaded the global config file. Now lets
84 * load user-specific modifications to the
85 * global config.
86 */
87 if (asprintf(&conf,
88 "%s/.smb/smb.conf.append",
89 home) > 0) {
90 if (!lp_load(conf, True, False, False, False)) {
91 DEBUG(10,
92 ("Could not append config file: "
93 "%s\n",
94 conf));
95 }
96 SAFE_FREE(conf);
97 }
98 }
99 }
100
101 load_interfaces(); /* Load the list of interfaces ... */
102
103 reopen_logs(); /* Get logging working ... */
104
105 /*
106 * Block SIGPIPE (from lib/util_sock.c: write())
107 * It is not needed and should not stop execution
108 */
109 BlockSignals(True, SIGPIPE);
110
111 /* Create the mutex we'll use to protect initialized_ctx_count */
112 if (SMB_THREAD_CREATE_MUTEX("initialized_ctx_count_mutex",
113 initialized_ctx_count_mutex) != 0) {
114 smb_panic("SMBC_module_init: "
115 "failed to create 'initialized_ctx_count' mutex");
116 }
117
118
119 TALLOC_FREE(frame);
120}
121
122
123static void
124SMBC_module_terminate(void)
125{
126 secrets_shutdown();
127 gfree_all();
128 SMBC_initialized = false;
129}
130
131
132/*
133 * Get a new empty handle to fill in with your own info
134 */
135SMBCCTX *
136smbc_new_context(void)
137{
138 SMBCCTX *context;
139
140 /* The first call to this function should initialize the module */
141 SMB_THREAD_ONCE(&SMBC_initialized, SMBC_module_init, NULL);
142
143 /*
144 * All newly added context fields should be placed in
145 * SMBC_internal_data, not directly in SMBCCTX.
146 */
147 context = SMB_MALLOC_P(SMBCCTX);
148 if (!context) {
149 errno = ENOMEM;
150 return NULL;
151 }
152
153 ZERO_STRUCTP(context);
154
155 context->internal = SMB_MALLOC_P(struct SMBC_internal_data);
156 if (!context->internal) {
157 SAFE_FREE(context);
158 errno = ENOMEM;
159 return NULL;
160 }
161
162 /* Initialize the context and establish reasonable defaults */
163 ZERO_STRUCTP(context->internal);
164
165 smbc_setDebug(context, 0);
166 smbc_setTimeout(context, 20000);
167
168 smbc_setOptionFullTimeNames(context, False);
169 smbc_setOptionOpenShareMode(context, SMBC_SHAREMODE_DENY_NONE);
170 smbc_setOptionSmbEncryptionLevel(context, SMBC_ENCRYPTLEVEL_NONE);
171 smbc_setOptionUseCCache(context, True);
172 smbc_setOptionCaseSensitive(context, False);
173 smbc_setOptionBrowseMaxLmbCount(context, 3); /* # LMBs to query */
174 smbc_setOptionUrlEncodeReaddirEntries(context, False);
175 smbc_setOptionOneSharePerServer(context, False);
176 if (getenv("LIBSMBCLIENT_NO_CCACHE") == NULL) {
177 smbc_setOptionUseCCache(context, true);
178 }
179
180 smbc_setFunctionAuthData(context, SMBC_get_auth_data);
181 smbc_setFunctionCheckServer(context, SMBC_check_server);
182 smbc_setFunctionRemoveUnusedServer(context, SMBC_remove_unused_server);
183
184 smbc_setOptionUserData(context, NULL);
185 smbc_setFunctionAddCachedServer(context, SMBC_add_cached_server);
186 smbc_setFunctionGetCachedServer(context, SMBC_get_cached_server);
187 smbc_setFunctionRemoveCachedServer(context, SMBC_remove_cached_server);
188 smbc_setFunctionPurgeCachedServers(context, SMBC_purge_cached_servers);
189
190 smbc_setFunctionOpen(context, SMBC_open_ctx);
191 smbc_setFunctionCreat(context, SMBC_creat_ctx);
192 smbc_setFunctionRead(context, SMBC_read_ctx);
193 smbc_setFunctionWrite(context, SMBC_write_ctx);
194 smbc_setFunctionClose(context, SMBC_close_ctx);
195 smbc_setFunctionUnlink(context, SMBC_unlink_ctx);
196 smbc_setFunctionRename(context, SMBC_rename_ctx);
197 smbc_setFunctionLseek(context, SMBC_lseek_ctx);
198 smbc_setFunctionFtruncate(context, SMBC_ftruncate_ctx);
199 smbc_setFunctionStat(context, SMBC_stat_ctx);
200 smbc_setFunctionStatVFS(context, SMBC_statvfs_ctx);
201 smbc_setFunctionFstatVFS(context, SMBC_fstatvfs_ctx);
202 smbc_setFunctionFstat(context, SMBC_fstat_ctx);
203 smbc_setFunctionOpendir(context, SMBC_opendir_ctx);
204 smbc_setFunctionClosedir(context, SMBC_closedir_ctx);
205 smbc_setFunctionReaddir(context, SMBC_readdir_ctx);
206 smbc_setFunctionGetdents(context, SMBC_getdents_ctx);
207 smbc_setFunctionMkdir(context, SMBC_mkdir_ctx);
208 smbc_setFunctionRmdir(context, SMBC_rmdir_ctx);
209 smbc_setFunctionTelldir(context, SMBC_telldir_ctx);
210 smbc_setFunctionLseekdir(context, SMBC_lseekdir_ctx);
211 smbc_setFunctionFstatdir(context, SMBC_fstatdir_ctx);
212 smbc_setFunctionChmod(context, SMBC_chmod_ctx);
213 smbc_setFunctionUtimes(context, SMBC_utimes_ctx);
214 smbc_setFunctionSetxattr(context, SMBC_setxattr_ctx);
215 smbc_setFunctionGetxattr(context, SMBC_getxattr_ctx);
216 smbc_setFunctionRemovexattr(context, SMBC_removexattr_ctx);
217 smbc_setFunctionListxattr(context, SMBC_listxattr_ctx);
218
219 smbc_setFunctionOpenPrintJob(context, SMBC_open_print_job_ctx);
220 smbc_setFunctionPrintFile(context, SMBC_print_file_ctx);
221 smbc_setFunctionListPrintJobs(context, SMBC_list_print_jobs_ctx);
222 smbc_setFunctionUnlinkPrintJob(context, SMBC_unlink_print_job_ctx);
223
224 return context;
225}
226
227/*
228 * Free a context
229 *
230 * Returns 0 on success. Otherwise returns 1, the SMBCCTX is _not_ freed
231 * and thus you'll be leaking memory if not handled properly.
232 *
233 */
234int
235smbc_free_context(SMBCCTX *context,
236 int shutdown_ctx)
237{
238 if (!context) {
239 errno = EBADF;
240 return 1;
241 }
242
243 if (shutdown_ctx) {
244 SMBCFILE * f;
245 DEBUG(1,("Performing aggressive shutdown.\n"));
246
247 f = context->internal->files;
248 while (f) {
249 smbc_getFunctionClose(context)(context, f);
250 f = f->next;
251 }
252 context->internal->files = NULL;
253
254 /* First try to remove the servers the nice way. */
255 if (smbc_getFunctionPurgeCachedServers(context)(context)) {
256 SMBCSRV * s;
257 SMBCSRV * next;
258 DEBUG(1, ("Could not purge all servers, "
259 "Nice way shutdown failed.\n"));
260 s = context->internal->servers;
261 while (s) {
262 DEBUG(1, ("Forced shutdown: %p (fd=%d)\n",
263 s, s->cli->fd));
264 cli_shutdown(s->cli);
265 smbc_getFunctionRemoveCachedServer(context)(context,
266 s);
267 next = s->next;
268 DLIST_REMOVE(context->internal->servers, s);
269 SAFE_FREE(s);
270 s = next;
271 }
272 context->internal->servers = NULL;
273 }
274 }
275 else {
276 /* This is the polite way */
277 if (smbc_getFunctionPurgeCachedServers(context)(context)) {
278 DEBUG(1, ("Could not purge all servers, "
279 "free_context failed.\n"));
280 errno = EBUSY;
281 return 1;
282 }
283 if (context->internal->servers) {
284 DEBUG(1, ("Active servers in context, "
285 "free_context failed.\n"));
286 errno = EBUSY;
287 return 1;
288 }
289 if (context->internal->files) {
290 DEBUG(1, ("Active files in context, "
291 "free_context failed.\n"));
292 errno = EBUSY;
293 return 1;
294 }
295 }
296
297 /* Things we have to clean up */
298 smbc_setWorkgroup(context, NULL);
299 smbc_setNetbiosName(context, NULL);
300 smbc_setUser(context, NULL);
301
302 DEBUG(3, ("Context %p successfully freed\n", context));
303
304 /* Free any DFS auth context. */
305 TALLOC_FREE(context->internal->auth_info);
306
307 SAFE_FREE(context->internal);
308 SAFE_FREE(context);
309
310 /* Protect access to the count of contexts in use */
311 if (SMB_THREAD_LOCK(initialized_ctx_count_mutex) != 0) {
312 smb_panic("error locking 'initialized_ctx_count'");
313 }
314
315 if (initialized_ctx_count) {
316 initialized_ctx_count--;
317 }
318
319 if (initialized_ctx_count == 0) {
320 SMBC_module_terminate();
321 }
322
323 /* Unlock the mutex */
324 if (SMB_THREAD_UNLOCK(initialized_ctx_count_mutex) != 0) {
325 smb_panic("error unlocking 'initialized_ctx_count'");
326 }
327
328 return 0;
329}
330
331
332/**
333 * Deprecated interface. Do not use. Instead, use the various
334 * smbc_setOption*() functions or smbc_setFunctionAuthDataWithContext().
335 */
336void
337smbc_option_set(SMBCCTX *context,
338 char *option_name,
339 ... /* option_value */)
340{
341 va_list ap;
342 union {
343 int i;
344 bool b;
345 smbc_get_auth_data_with_context_fn auth_fn;
346 void *v;
347 const char *s;
348 } option_value;
349
350 va_start(ap, option_name);
351
352 if (strcmp(option_name, "debug_to_stderr") == 0) {
353 option_value.b = (bool) va_arg(ap, int);
354 smbc_setOptionDebugToStderr(context, option_value.b);
355
356 } else if (strcmp(option_name, "full_time_names") == 0) {
357 option_value.b = (bool) va_arg(ap, int);
358 smbc_setOptionFullTimeNames(context, option_value.b);
359
360 } else if (strcmp(option_name, "open_share_mode") == 0) {
361 option_value.i = va_arg(ap, int);
362 smbc_setOptionOpenShareMode(context, option_value.i);
363
364 } else if (strcmp(option_name, "auth_function") == 0) {
365 option_value.auth_fn =
366 va_arg(ap, smbc_get_auth_data_with_context_fn);
367 smbc_setFunctionAuthDataWithContext(context, option_value.auth_fn);
368
369 } else if (strcmp(option_name, "user_data") == 0) {
370 option_value.v = va_arg(ap, void *);
371 smbc_setOptionUserData(context, option_value.v);
372
373 } else if (strcmp(option_name, "smb_encrypt_level") == 0) {
374 option_value.s = va_arg(ap, const char *);
375 if (strcmp(option_value.s, "none") == 0) {
376 smbc_setOptionSmbEncryptionLevel(context,
377 SMBC_ENCRYPTLEVEL_NONE);
378 } else if (strcmp(option_value.s, "request") == 0) {
379 smbc_setOptionSmbEncryptionLevel(context,
380 SMBC_ENCRYPTLEVEL_REQUEST);
381 } else if (strcmp(option_value.s, "require") == 0) {
382 smbc_setOptionSmbEncryptionLevel(context,
383 SMBC_ENCRYPTLEVEL_REQUIRE);
384 }
385
386 } else if (strcmp(option_name, "browse_max_lmb_count") == 0) {
387 option_value.i = va_arg(ap, int);
388 smbc_setOptionBrowseMaxLmbCount(context, option_value.i);
389
390 } else if (strcmp(option_name, "urlencode_readdir_entries") == 0) {
391 option_value.b = (bool) va_arg(ap, int);
392 smbc_setOptionUrlEncodeReaddirEntries(context, option_value.b);
393
394 } else if (strcmp(option_name, "one_share_per_server") == 0) {
395 option_value.b = (bool) va_arg(ap, int);
396 smbc_setOptionOneSharePerServer(context, option_value.b);
397
398 } else if (strcmp(option_name, "use_kerberos") == 0) {
399 option_value.b = (bool) va_arg(ap, int);
400 smbc_setOptionUseKerberos(context, option_value.b);
401
402 } else if (strcmp(option_name, "fallback_after_kerberos") == 0) {
403 option_value.b = (bool) va_arg(ap, int);
404 smbc_setOptionFallbackAfterKerberos(context, option_value.b);
405
406 } else if (strcmp(option_name, "use_ccache") == 0) {
407 option_value.b = (bool) va_arg(ap, int);
408 smbc_setOptionUseCCache(context, option_value.b);
409
410 } else if (strcmp(option_name, "no_auto_anonymous_login") == 0) {
411 option_value.b = (bool) va_arg(ap, int);
412 smbc_setOptionNoAutoAnonymousLogin(context, option_value.b);
413 }
414
415 va_end(ap);
416}
417
418
419/*
420 * Deprecated interface. Do not use. Instead, use the various
421 * smbc_getOption*() functions.
422 */
423void *
424smbc_option_get(SMBCCTX *context,
425 char *option_name)
426{
427 if (strcmp(option_name, "debug_stderr") == 0) {
428#if defined(__intptr_t_defined) || defined(HAVE_INTPTR_T)
429 return (void *) (intptr_t) smbc_getOptionDebugToStderr(context);
430#else
431 return (void *) smbc_getOptionDebugToStderr(context);
432#endif
433
434 } else if (strcmp(option_name, "full_time_names") == 0) {
435#if defined(__intptr_t_defined) || defined(HAVE_INTPTR_T)
436 return (void *) (intptr_t) smbc_getOptionFullTimeNames(context);
437#else
438 return (void *) smbc_getOptionFullTimeNames(context);
439#endif
440
441 } else if (strcmp(option_name, "open_share_mode") == 0) {
442#if defined(__intptr_t_defined) || defined(HAVE_INTPTR_T)
443 return (void *) (intptr_t) smbc_getOptionOpenShareMode(context);
444#else
445 return (void *) smbc_getOptionOpenShareMode(context);
446#endif
447
448 } else if (strcmp(option_name, "auth_function") == 0) {
449 return (void *) smbc_getFunctionAuthDataWithContext(context);
450
451 } else if (strcmp(option_name, "user_data") == 0) {
452 return smbc_getOptionUserData(context);
453
454 } else if (strcmp(option_name, "smb_encrypt_level") == 0) {
455 switch(smbc_getOptionSmbEncryptionLevel(context))
456 {
457 case 0:
458 return (void *) "none";
459 case 1:
460 return (void *) "request";
461 case 2:
462 return (void *) "require";
463 }
464
465 } else if (strcmp(option_name, "smb_encrypt_on") == 0) {
466 SMBCSRV *s;
467 unsigned int num_servers = 0;
468
469 for (s = context->internal->servers; s; s = s->next) {
470 num_servers++;
471 if (s->cli->trans_enc_state == NULL) {
472 return (void *)false;
473 }
474 }
475#if defined(__intptr_t_defined) || defined(HAVE_INTPTR_T)
476 return (void *) (intptr_t) (bool) (num_servers > 0);
477#else
478 return (void *) (bool) (num_servers > 0);
479#endif
480
481 } else if (strcmp(option_name, "browse_max_lmb_count") == 0) {
482#if defined(__intptr_t_defined) || defined(HAVE_INTPTR_T)
483 return (void *) (intptr_t) smbc_getOptionBrowseMaxLmbCount(context);
484#else
485 return (void *) smbc_getOptionBrowseMaxLmbCount(context);
486#endif
487
488 } else if (strcmp(option_name, "urlencode_readdir_entries") == 0) {
489#if defined(__intptr_t_defined) || defined(HAVE_INTPTR_T)
490 return (void *)(intptr_t) smbc_getOptionUrlEncodeReaddirEntries(context);
491#else
492 return (void *) (bool) smbc_getOptionUrlEncodeReaddirEntries(context);
493#endif
494
495 } else if (strcmp(option_name, "one_share_per_server") == 0) {
496#if defined(__intptr_t_defined) || defined(HAVE_INTPTR_T)
497 return (void *) (intptr_t) smbc_getOptionOneSharePerServer(context);
498#else
499 return (void *) (bool) smbc_getOptionOneSharePerServer(context);
500#endif
501
502 } else if (strcmp(option_name, "use_kerberos") == 0) {
503#if defined(__intptr_t_defined) || defined(HAVE_INTPTR_T)
504 return (void *) (intptr_t) smbc_getOptionUseKerberos(context);
505#else
506 return (void *) (bool) smbc_getOptionUseKerberos(context);
507#endif
508
509 } else if (strcmp(option_name, "fallback_after_kerberos") == 0) {
510#if defined(__intptr_t_defined) || defined(HAVE_INTPTR_T)
511 return (void *)(intptr_t) smbc_getOptionFallbackAfterKerberos(context);
512#else
513 return (void *) (bool) smbc_getOptionFallbackAfterKerberos(context);
514#endif
515
516 } else if (strcmp(option_name, "use_ccache") == 0) {
517#if defined(__intptr_t_defined) || defined(HAVE_INTPTR_T)
518 return (void *) (intptr_t) smbc_getOptionUseCCache(context);
519#else
520 return (void *) (bool) smbc_getOptionUseCCache(context);
521#endif
522
523 } else if (strcmp(option_name, "no_auto_anonymous_login") == 0) {
524#if defined(__intptr_t_defined) || defined(HAVE_INTPTR_T)
525 return (void *) (intptr_t) smbc_getOptionNoAutoAnonymousLogin(context);
526#else
527 return (void *) (bool) smbc_getOptionNoAutoAnonymousLogin(context);
528#endif
529 }
530
531 return NULL;
532}
533
534
535/*
536 * Initialize the library, etc.
537 *
538 * We accept a struct containing handle information.
539 * valid values for info->debug from 0 to 100,
540 * and insist that info->fn must be non-null.
541 */
542SMBCCTX *
543smbc_init_context(SMBCCTX *context)
544{
545 int pid;
546
547 if (!context) {
548 errno = EBADF;
549 return NULL;
550 }
551
552 /* Do not initialise the same client twice */
553 if (context->internal->initialized) {
554 return NULL;
555 }
556
557 if (context->internal->debug_stderr) {
558 /*
559 * Hmmm... Do we want a unique dbf per-thread? For now, we'll just
560 * leave it up to the user. If any one context spefies debug to
561 * stderr then all will be.
562 */
563 dbf = x_stderr;
564 x_setbuf(x_stderr, NULL);
565 }
566
567 if ((!smbc_getFunctionAuthData(context) &&
568 !smbc_getFunctionAuthDataWithContext(context)) ||
569 smbc_getDebug(context) < 0 ||
570 smbc_getDebug(context) > 100) {
571
572 errno = EINVAL;
573 return NULL;
574
575 }
576
577 if (!smbc_getUser(context)) {
578 /*
579 * FIXME: Is this the best way to get the user info?
580 */
581 char *user = getenv("USER");
582 /* walk around as "guest" if no username can be found */
583 if (!user) {
584 user = SMB_STRDUP("guest");
585 } else {
586 user = SMB_STRDUP(user);
587 }
588
589 if (!user) {
590 errno = ENOMEM;
591 return NULL;
592 }
593
594 smbc_setUser(context, user);
595 SAFE_FREE(user);
596
597 if (!smbc_getUser(context)) {
598 errno = ENOMEM;
599 return NULL;
600 }
601 }
602
603 if (!smbc_getNetbiosName(context)) {
604 /*
605 * We try to get our netbios name from the config. If that
606 * fails we fall back on constructing our netbios name from
607 * our hostname etc
608 */
609 char *netbios_name;
610 if (global_myname()) {
611 netbios_name = SMB_STRDUP(global_myname());
612 } else {
613 /*
614 * Hmmm, I want to get hostname as well, but I am too
615 * lazy for the moment
616 */
617 pid = sys_getpid();
618 netbios_name = (char *)SMB_MALLOC(17);
619 if (!netbios_name) {
620 errno = ENOMEM;
621 return NULL;
622 }
623 slprintf(netbios_name, 16,
624 "smbc%s%d", smbc_getUser(context), pid);
625 }
626
627 if (!netbios_name) {
628 errno = ENOMEM;
629 return NULL;
630 }
631
632 smbc_setNetbiosName(context, netbios_name);
633 SAFE_FREE(netbios_name);
634
635 if (!smbc_getNetbiosName(context)) {
636 errno = ENOMEM;
637 return NULL;
638 }
639 }
640
641 DEBUG(1, ("Using netbios name %s.\n", smbc_getNetbiosName(context)));
642
643 if (!smbc_getWorkgroup(context)) {
644 char *workgroup;
645
646 if (lp_workgroup()) {
647 workgroup = SMB_STRDUP(lp_workgroup());
648 }
649 else {
650 /* TODO: Think about a decent default workgroup */
651 workgroup = SMB_STRDUP("samba");
652 }
653
654 if (!workgroup) {
655 errno = ENOMEM;
656 return NULL;
657 }
658
659 smbc_setWorkgroup(context, workgroup);
660 SAFE_FREE(workgroup);
661
662 if (!smbc_getWorkgroup(context)) {
663 errno = ENOMEM;
664 return NULL;
665 }
666 }
667
668 DEBUG(1, ("Using workgroup %s.\n", smbc_getWorkgroup(context)));
669
670 /* shortest timeout is 1 second */
671 if (smbc_getTimeout(context) > 0 && smbc_getTimeout(context) < 1000)
672 smbc_setTimeout(context, 1000);
673
674 context->internal->initialized = True;
675
676 /* Protect access to the count of contexts in use */
677 if (SMB_THREAD_LOCK(initialized_ctx_count_mutex) != 0) {
678 smb_panic("error locking 'initialized_ctx_count'");
679 }
680
681 initialized_ctx_count++;
682
683 /* Unlock the mutex */
684 if (SMB_THREAD_UNLOCK(initialized_ctx_count_mutex) != 0) {
685 smb_panic("error unlocking 'initialized_ctx_count'");
686 }
687
688 return context;
689}
690
691
692/* Return the verion of samba, and thus libsmbclient */
693const char *
694smbc_version(void)
695{
696 return samba_version_string();
697}
698
699/*
700 * Set the credentials so DFS will work when following referrals.
701 * This function is broken and must be removed. No SMBCCTX arg...
702 * JRA.
703 */
704
705void
706smbc_set_credentials(const char *workgroup,
707 const char *user,
708 const char *password,
709 smbc_bool use_kerberos,
710 const char *signing_state)
711{
712 d_printf("smbc_set_credentials is obsolete. Replace with smbc_set_credentials_with_fallback().\n");
713}
714
715void smbc_set_credentials_with_fallback(SMBCCTX *context,
716 const char *workgroup,
717 const char *user,
718 const char *password)
719{
720 smbc_bool use_kerberos = false;
721 const char *signing_state = "off";
722 struct user_auth_info *auth_info = NULL;
723
724 if (! context) {
725
726 return;
727 }
728
729 if (! workgroup || ! *workgroup) {
730 workgroup = smbc_getWorkgroup(context);
731 }
732
733 if (! user) {
734 user = smbc_getUser(context);
735 }
736
737 if (! password) {
738 password = "";
739 }
740
741 auth_info = user_auth_info_init(NULL);
742
743 if (! auth_info) {
744 DEBUG(0, ("smbc_set_credentials_with_fallback: allocation fail\n"));
745 return;
746 }
747
748 if (smbc_getOptionUseKerberos(context)) {
749 use_kerberos = True;
750 }
751
752 if (lp_client_signing()) {
753 signing_state = "on";
754 }
755
756 if (lp_client_signing() == Required) {
757 signing_state = "force";
758 }
759
760 set_cmdline_auth_info_username(auth_info, user);
761 set_cmdline_auth_info_password(auth_info, password);
762 set_cmdline_auth_info_use_kerberos(auth_info, use_kerberos);
763 set_cmdline_auth_info_signing_state(auth_info, signing_state);
764 set_cmdline_auth_info_fallback_after_kerberos(auth_info,
765 smbc_getOptionFallbackAfterKerberos(context));
766 set_cmdline_auth_info_use_ccache(
767 auth_info, smbc_getOptionUseCCache(context));
768 set_global_myworkgroup(workgroup);
769
770 TALLOC_FREE(context->internal->auth_info);
771
772 context->internal->auth_info = auth_info;
773}
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