source: vendor/3.6.23/source3/libsmb/libsmb_context.c

Last change on this file was 740, checked in by Silvan Scherrer, 13 years ago

Samba Server: update vendor to 3.6.0
File size: 26.3 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 "libsmb/libsmb.h"
27#include "libsmbclient.h"
28#include "libsmb_internal.h"
29#include "secrets.h"
30
31
32/*
33 * Is the logging working / configfile read ?
34 */
35static bool SMBC_initialized = false;
36static unsigned int initialized_ctx_count = 0;
37static void *initialized_ctx_count_mutex = NULL;
38
39/*
40 * Do some module- and library-wide intializations
41 */
42static void
43SMBC_module_init(void * punused)
44{
45 bool conf_loaded = False;
46 char *home = NULL;
47 TALLOC_CTX *frame = talloc_stackframe();
48
49 load_case_tables_library();
50
51 setup_logging("libsmbclient", DEBUG_STDOUT);
52
53 /* Here we would open the smb.conf file if needed ... */
54
55 lp_set_in_client(True);
56
57 home = getenv("HOME");
58 if (home) {
59 char *conf = NULL;
60 if (asprintf(&conf, "%s/.smb/smb.conf", home) > 0) {
61 if (lp_load(conf, True, False, False, True)) {
62 conf_loaded = True;
63 } else {
64 DEBUG(5, ("Could not load config file: %s\n",
65 conf));
66 }
67 SAFE_FREE(conf);
68 }
69 }
70
71 if (!conf_loaded) {
72 /*
73 * Well, if that failed, try the get_dyn_CONFIGFILE
74 * Which points to the standard locn, and if that
75 * fails, silently ignore it and use the internal
76 * defaults ...
77 */
78
79 if (!lp_load(get_dyn_CONFIGFILE(), True, False, False, False)) {
80 DEBUG(5, ("Could not load config file: %s\n",
81 get_dyn_CONFIGFILE()));
82 } else if (home) {
83 char *conf;
84 /*
85 * We loaded the global config file. Now lets
86 * load user-specific modifications to the
87 * global config.
88 */
89 if (asprintf(&conf,
90 "%s/.smb/smb.conf.append",
91 home) > 0) {
92 if (!lp_load(conf, True, False, False, False)) {
93 DEBUG(10,
94 ("Could not append config file: "
95 "%s\n",
96 conf));
97 }
98 SAFE_FREE(conf);
99 }
100 }
101 }
102
103 load_interfaces(); /* Load the list of interfaces ... */
104
105 reopen_logs(); /* Get logging working ... */
106
107 /*
108 * Block SIGPIPE (from lib/util_sock.c: write())
109 * It is not needed and should not stop execution
110 */
111 BlockSignals(True, SIGPIPE);
112
113 /* Create the mutex we'll use to protect initialized_ctx_count */
114 if (SMB_THREAD_CREATE_MUTEX("initialized_ctx_count_mutex",
115 initialized_ctx_count_mutex) != 0) {
116 smb_panic("SMBC_module_init: "
117 "failed to create 'initialized_ctx_count' mutex");
118 }
119
120
121 TALLOC_FREE(frame);
122}
123
124
125static void
126SMBC_module_terminate(void)
127{
128 secrets_shutdown();
129 gfree_all();
130 SMBC_initialized = false;
131}
132
133
134/*
135 * Get a new empty handle to fill in with your own info
136 */
137SMBCCTX *
138smbc_new_context(void)
139{
140 SMBCCTX *context;
141
142 /* The first call to this function should initialize the module */
143 SMB_THREAD_ONCE(&SMBC_initialized, SMBC_module_init, NULL);
144
145 /*
146 * All newly added context fields should be placed in
147 * SMBC_internal_data, not directly in SMBCCTX.
148 */
149 context = SMB_MALLOC_P(SMBCCTX);
150 if (!context) {
151 errno = ENOMEM;
152 return NULL;
153 }
154
155 ZERO_STRUCTP(context);
156
157 context->internal = SMB_MALLOC_P(struct SMBC_internal_data);
158 if (!context->internal) {
159 SAFE_FREE(context);
160 errno = ENOMEM;
161 return NULL;
162 }
163
164 /* Initialize the context and establish reasonable defaults */
165 ZERO_STRUCTP(context->internal);
166
167 smbc_setDebug(context, 0);
168 smbc_setTimeout(context, 20000);
169
170 smbc_setOptionFullTimeNames(context, False);
171 smbc_setOptionOpenShareMode(context, SMBC_SHAREMODE_DENY_NONE);
172 smbc_setOptionSmbEncryptionLevel(context, SMBC_ENCRYPTLEVEL_NONE);
173 smbc_setOptionUseCCache(context, True);
174 smbc_setOptionCaseSensitive(context, False);
175 smbc_setOptionBrowseMaxLmbCount(context, 3); /* # LMBs to query */
176 smbc_setOptionUrlEncodeReaddirEntries(context, False);
177 smbc_setOptionOneSharePerServer(context, False);
178 if (getenv("LIBSMBCLIENT_NO_CCACHE") == NULL) {
179 smbc_setOptionUseCCache(context, true);
180 }
181
182 smbc_setFunctionAuthData(context, SMBC_get_auth_data);
183 smbc_setFunctionCheckServer(context, SMBC_check_server);
184 smbc_setFunctionRemoveUnusedServer(context, SMBC_remove_unused_server);
185
186 smbc_setOptionUserData(context, NULL);
187 smbc_setFunctionAddCachedServer(context, SMBC_add_cached_server);
188 smbc_setFunctionGetCachedServer(context, SMBC_get_cached_server);
189 smbc_setFunctionRemoveCachedServer(context, SMBC_remove_cached_server);
190 smbc_setFunctionPurgeCachedServers(context, SMBC_purge_cached_servers);
191
192 smbc_setFunctionOpen(context, SMBC_open_ctx);
193 smbc_setFunctionCreat(context, SMBC_creat_ctx);
194 smbc_setFunctionRead(context, SMBC_read_ctx);
195 smbc_setFunctionWrite(context, SMBC_write_ctx);
196 smbc_setFunctionClose(context, SMBC_close_ctx);
197 smbc_setFunctionUnlink(context, SMBC_unlink_ctx);
198 smbc_setFunctionRename(context, SMBC_rename_ctx);
199 smbc_setFunctionLseek(context, SMBC_lseek_ctx);
200 smbc_setFunctionFtruncate(context, SMBC_ftruncate_ctx);
201 smbc_setFunctionStat(context, SMBC_stat_ctx);
202 smbc_setFunctionStatVFS(context, SMBC_statvfs_ctx);
203 smbc_setFunctionFstatVFS(context, SMBC_fstatvfs_ctx);
204 smbc_setFunctionFstat(context, SMBC_fstat_ctx);
205 smbc_setFunctionOpendir(context, SMBC_opendir_ctx);
206 smbc_setFunctionClosedir(context, SMBC_closedir_ctx);
207 smbc_setFunctionReaddir(context, SMBC_readdir_ctx);
208 smbc_setFunctionGetdents(context, SMBC_getdents_ctx);
209 smbc_setFunctionMkdir(context, SMBC_mkdir_ctx);
210 smbc_setFunctionRmdir(context, SMBC_rmdir_ctx);
211 smbc_setFunctionTelldir(context, SMBC_telldir_ctx);
212 smbc_setFunctionLseekdir(context, SMBC_lseekdir_ctx);
213 smbc_setFunctionFstatdir(context, SMBC_fstatdir_ctx);
214 smbc_setFunctionChmod(context, SMBC_chmod_ctx);
215 smbc_setFunctionUtimes(context, SMBC_utimes_ctx);
216 smbc_setFunctionSetxattr(context, SMBC_setxattr_ctx);
217 smbc_setFunctionGetxattr(context, SMBC_getxattr_ctx);
218 smbc_setFunctionRemovexattr(context, SMBC_removexattr_ctx);
219 smbc_setFunctionListxattr(context, SMBC_listxattr_ctx);
220
221 smbc_setFunctionOpenPrintJob(context, SMBC_open_print_job_ctx);
222 smbc_setFunctionPrintFile(context, SMBC_print_file_ctx);
223 smbc_setFunctionListPrintJobs(context, SMBC_list_print_jobs_ctx);
224 smbc_setFunctionUnlinkPrintJob(context, SMBC_unlink_print_job_ctx);
225
226 return context;
227}
228
229/*
230 * Free a context
231 *
232 * Returns 0 on success. Otherwise returns 1, the SMBCCTX is _not_ freed
233 * and thus you'll be leaking memory if not handled properly.
234 *
235 */
236int
237smbc_free_context(SMBCCTX *context,
238 int shutdown_ctx)
239{
240 if (!context) {
241 errno = EBADF;
242 return 1;
243 }
244
245 if (shutdown_ctx) {
246 SMBCFILE * f;
247 DEBUG(1,("Performing aggressive shutdown.\n"));
248
249 f = context->internal->files;
250 while (f) {
251 smbc_getFunctionClose(context)(context, f);
252 f = f->next;
253 }
254 context->internal->files = NULL;
255
256 /* First try to remove the servers the nice way. */
257 if (smbc_getFunctionPurgeCachedServers(context)(context)) {
258 SMBCSRV * s;
259 SMBCSRV * next;
260 DEBUG(1, ("Could not purge all servers, "
261 "Nice way shutdown failed.\n"));
262 s = context->internal->servers;
263 while (s) {
264 DEBUG(1, ("Forced shutdown: %p (fd=%d)\n",
265 s, s->cli->fd));
266 cli_shutdown(s->cli);
267 smbc_getFunctionRemoveCachedServer(context)(context,
268 s);
269 next = s->next;
270 DLIST_REMOVE(context->internal->servers, s);
271 SAFE_FREE(s);
272 s = next;
273 }
274 context->internal->servers = NULL;
275 }
276 }
277 else {
278 /* This is the polite way */
279 if (smbc_getFunctionPurgeCachedServers(context)(context)) {
280 DEBUG(1, ("Could not purge all servers, "
281 "free_context failed.\n"));
282 errno = EBUSY;
283 return 1;
284 }
285 if (context->internal->servers) {
286 DEBUG(1, ("Active servers in context, "
287 "free_context failed.\n"));
288 errno = EBUSY;
289 return 1;
290 }
291 if (context->internal->files) {
292 DEBUG(1, ("Active files in context, "
293 "free_context failed.\n"));
294 errno = EBUSY;
295 return 1;
296 }
297 }
298
299 /* Things we have to clean up */
300 smbc_setWorkgroup(context, NULL);
301 smbc_setNetbiosName(context, NULL);
302 smbc_setUser(context, NULL);
303
304 DEBUG(3, ("Context %p successfully freed\n", context));
305
306 /* Free any DFS auth context. */
307 TALLOC_FREE(context->internal->auth_info);
308
309 SAFE_FREE(context->internal);
310 SAFE_FREE(context);
311
312 /* Protect access to the count of contexts in use */
313 if (SMB_THREAD_LOCK(initialized_ctx_count_mutex) != 0) {
314 smb_panic("error locking 'initialized_ctx_count'");
315 }
316
317 if (initialized_ctx_count) {
318 initialized_ctx_count--;
319 }
320
321 if (initialized_ctx_count == 0) {
322 SMBC_module_terminate();
323 }
324
325 /* Unlock the mutex */
326 if (SMB_THREAD_UNLOCK(initialized_ctx_count_mutex) != 0) {
327 smb_panic("error unlocking 'initialized_ctx_count'");
328 }
329
330 return 0;
331}
332
333
334/**
335 * Deprecated interface. Do not use. Instead, use the various
336 * smbc_setOption*() functions or smbc_setFunctionAuthDataWithContext().
337 */
338void
339smbc_option_set(SMBCCTX *context,
340 char *option_name,
341 ... /* option_value */)
342{
343 va_list ap;
344 union {
345 int i;
346 bool b;
347 smbc_get_auth_data_with_context_fn auth_fn;
348 void *v;
349 const char *s;
350 } option_value;
351
352 va_start(ap, option_name);
353
354 if (strcmp(option_name, "debug_to_stderr") == 0) {
355 option_value.b = (bool) va_arg(ap, int);
356 smbc_setOptionDebugToStderr(context, option_value.b);
357
358 } else if (strcmp(option_name, "full_time_names") == 0) {
359 option_value.b = (bool) va_arg(ap, int);
360 smbc_setOptionFullTimeNames(context, option_value.b);
361
362 } else if (strcmp(option_name, "open_share_mode") == 0) {
363 option_value.i = va_arg(ap, int);
364 smbc_setOptionOpenShareMode(context, option_value.i);
365
366 } else if (strcmp(option_name, "auth_function") == 0) {
367 option_value.auth_fn =
368 va_arg(ap, smbc_get_auth_data_with_context_fn);
369 smbc_setFunctionAuthDataWithContext(context, option_value.auth_fn);
370
371 } else if (strcmp(option_name, "user_data") == 0) {
372 option_value.v = va_arg(ap, void *);
373 smbc_setOptionUserData(context, option_value.v);
374
375 } else if (strcmp(option_name, "smb_encrypt_level") == 0) {
376 option_value.s = va_arg(ap, const char *);
377 if (strcmp(option_value.s, "none") == 0) {
378 smbc_setOptionSmbEncryptionLevel(context,
379 SMBC_ENCRYPTLEVEL_NONE);
380 } else if (strcmp(option_value.s, "request") == 0) {
381 smbc_setOptionSmbEncryptionLevel(context,
382 SMBC_ENCRYPTLEVEL_REQUEST);
383 } else if (strcmp(option_value.s, "require") == 0) {
384 smbc_setOptionSmbEncryptionLevel(context,
385 SMBC_ENCRYPTLEVEL_REQUIRE);
386 }
387
388 } else if (strcmp(option_name, "browse_max_lmb_count") == 0) {
389 option_value.i = va_arg(ap, int);
390 smbc_setOptionBrowseMaxLmbCount(context, option_value.i);
391
392 } else if (strcmp(option_name, "urlencode_readdir_entries") == 0) {
393 option_value.b = (bool) va_arg(ap, int);
394 smbc_setOptionUrlEncodeReaddirEntries(context, option_value.b);
395
396 } else if (strcmp(option_name, "one_share_per_server") == 0) {
397 option_value.b = (bool) va_arg(ap, int);
398 smbc_setOptionOneSharePerServer(context, option_value.b);
399
400 } else if (strcmp(option_name, "use_kerberos") == 0) {
401 option_value.b = (bool) va_arg(ap, int);
402 smbc_setOptionUseKerberos(context, option_value.b);
403
404 } else if (strcmp(option_name, "fallback_after_kerberos") == 0) {
405 option_value.b = (bool) va_arg(ap, int);
406 smbc_setOptionFallbackAfterKerberos(context, option_value.b);
407
408 } else if (strcmp(option_name, "use_ccache") == 0) {
409 option_value.b = (bool) va_arg(ap, int);
410 smbc_setOptionUseCCache(context, option_value.b);
411
412 } else if (strcmp(option_name, "no_auto_anonymous_login") == 0) {
413 option_value.b = (bool) va_arg(ap, int);
414 smbc_setOptionNoAutoAnonymousLogin(context, option_value.b);
415 }
416
417 va_end(ap);
418}
419
420
421/*
422 * Deprecated interface. Do not use. Instead, use the various
423 * smbc_getOption*() functions.
424 */
425void *
426smbc_option_get(SMBCCTX *context,
427 char *option_name)
428{
429 if (strcmp(option_name, "debug_stderr") == 0) {
430#if defined(__intptr_t_defined) || defined(HAVE_INTPTR_T)
431 return (void *) (intptr_t) smbc_getOptionDebugToStderr(context);
432#else
433 return (void *) smbc_getOptionDebugToStderr(context);
434#endif
435
436 } else if (strcmp(option_name, "full_time_names") == 0) {
437#if defined(__intptr_t_defined) || defined(HAVE_INTPTR_T)
438 return (void *) (intptr_t) smbc_getOptionFullTimeNames(context);
439#else
440 return (void *) smbc_getOptionFullTimeNames(context);
441#endif
442
443 } else if (strcmp(option_name, "open_share_mode") == 0) {
444#if defined(__intptr_t_defined) || defined(HAVE_INTPTR_T)
445 return (void *) (intptr_t) smbc_getOptionOpenShareMode(context);
446#else
447 return (void *) smbc_getOptionOpenShareMode(context);
448#endif
449
450 } else if (strcmp(option_name, "auth_function") == 0) {
451 return (void *) smbc_getFunctionAuthDataWithContext(context);
452
453 } else if (strcmp(option_name, "user_data") == 0) {
454 return smbc_getOptionUserData(context);
455
456 } else if (strcmp(option_name, "smb_encrypt_level") == 0) {
457 switch(smbc_getOptionSmbEncryptionLevel(context))
458 {
459 case 0:
460 return (void *) "none";
461 case 1:
462 return (void *) "request";
463 case 2:
464 return (void *) "require";
465 }
466
467 } else if (strcmp(option_name, "smb_encrypt_on") == 0) {
468 SMBCSRV *s;
469 unsigned int num_servers = 0;
470
471 for (s = context->internal->servers; s; s = s->next) {
472 num_servers++;
473 if (s->cli->trans_enc_state == NULL) {
474 return (void *)false;
475 }
476 }
477#if defined(__intptr_t_defined) || defined(HAVE_INTPTR_T)
478 return (void *) (intptr_t) (bool) (num_servers > 0);
479#else
480 return (void *) (bool) (num_servers > 0);
481#endif
482
483 } else if (strcmp(option_name, "browse_max_lmb_count") == 0) {
484#if defined(__intptr_t_defined) || defined(HAVE_INTPTR_T)
485 return (void *) (intptr_t) smbc_getOptionBrowseMaxLmbCount(context);
486#else
487 return (void *) smbc_getOptionBrowseMaxLmbCount(context);
488#endif
489
490 } else if (strcmp(option_name, "urlencode_readdir_entries") == 0) {
491#if defined(__intptr_t_defined) || defined(HAVE_INTPTR_T)
492 return (void *)(intptr_t) smbc_getOptionUrlEncodeReaddirEntries(context);
493#else
494 return (void *) (bool) smbc_getOptionUrlEncodeReaddirEntries(context);
495#endif
496
497 } else if (strcmp(option_name, "one_share_per_server") == 0) {
498#if defined(__intptr_t_defined) || defined(HAVE_INTPTR_T)
499 return (void *) (intptr_t) smbc_getOptionOneSharePerServer(context);
500#else
501 return (void *) (bool) smbc_getOptionOneSharePerServer(context);
502#endif
503
504 } else if (strcmp(option_name, "use_kerberos") == 0) {
505#if defined(__intptr_t_defined) || defined(HAVE_INTPTR_T)
506 return (void *) (intptr_t) smbc_getOptionUseKerberos(context);
507#else
508 return (void *) (bool) smbc_getOptionUseKerberos(context);
509#endif
510
511 } else if (strcmp(option_name, "fallback_after_kerberos") == 0) {
512#if defined(__intptr_t_defined) || defined(HAVE_INTPTR_T)
513 return (void *)(intptr_t) smbc_getOptionFallbackAfterKerberos(context);
514#else
515 return (void *) (bool) smbc_getOptionFallbackAfterKerberos(context);
516#endif
517
518 } else if (strcmp(option_name, "use_ccache") == 0) {
519#if defined(__intptr_t_defined) || defined(HAVE_INTPTR_T)
520 return (void *) (intptr_t) smbc_getOptionUseCCache(context);
521#else
522 return (void *) (bool) smbc_getOptionUseCCache(context);
523#endif
524
525 } else if (strcmp(option_name, "no_auto_anonymous_login") == 0) {
526#if defined(__intptr_t_defined) || defined(HAVE_INTPTR_T)
527 return (void *) (intptr_t) smbc_getOptionNoAutoAnonymousLogin(context);
528#else
529 return (void *) (bool) smbc_getOptionNoAutoAnonymousLogin(context);
530#endif
531 }
532
533 return NULL;
534}
535
536
537/*
538 * Initialize the library, etc.
539 *
540 * We accept a struct containing handle information.
541 * valid values for info->debug from 0 to 100,
542 * and insist that info->fn must be non-null.
543 */
544SMBCCTX *
545smbc_init_context(SMBCCTX *context)
546{
547 int pid;
548
549 if (!context) {
550 errno = EBADF;
551 return NULL;
552 }
553
554 /* Do not initialise the same client twice */
555 if (context->internal->initialized) {
556 return NULL;
557 }
558
559 if ((!smbc_getFunctionAuthData(context) &&
560 !smbc_getFunctionAuthDataWithContext(context)) ||
561 smbc_getDebug(context) < 0 ||
562 smbc_getDebug(context) > 100) {
563
564 errno = EINVAL;
565 return NULL;
566
567 }
568
569 if (!smbc_getUser(context)) {
570 /*
571 * FIXME: Is this the best way to get the user info?
572 */
573 char *user = getenv("USER");
574 /* walk around as "guest" if no username can be found */
575 if (!user) {
576 user = SMB_STRDUP("guest");
577 } else {
578 user = SMB_STRDUP(user);
579 }
580
581 if (!user) {
582 errno = ENOMEM;
583 return NULL;
584 }
585
586 smbc_setUser(context, user);
587 SAFE_FREE(user);
588
589 if (!smbc_getUser(context)) {
590 errno = ENOMEM;
591 return NULL;
592 }
593 }
594
595 if (!smbc_getNetbiosName(context)) {
596 /*
597 * We try to get our netbios name from the config. If that
598 * fails we fall back on constructing our netbios name from
599 * our hostname etc
600 */
601 char *netbios_name;
602 if (global_myname()) {
603 netbios_name = SMB_STRDUP(global_myname());
604 } else {
605 /*
606 * Hmmm, I want to get hostname as well, but I am too
607 * lazy for the moment
608 */
609 pid = sys_getpid();
610 netbios_name = (char *)SMB_MALLOC(17);
611 if (!netbios_name) {
612 errno = ENOMEM;
613 return NULL;
614 }
615 slprintf(netbios_name, 16,
616 "smbc%s%d", smbc_getUser(context), pid);
617 }
618
619 if (!netbios_name) {
620 errno = ENOMEM;
621 return NULL;
622 }
623
624 smbc_setNetbiosName(context, netbios_name);
625 SAFE_FREE(netbios_name);
626
627 if (!smbc_getNetbiosName(context)) {
628 errno = ENOMEM;
629 return NULL;
630 }
631 }
632
633 DEBUG(1, ("Using netbios name %s.\n", smbc_getNetbiosName(context)));
634
635 if (!smbc_getWorkgroup(context)) {
636 char *workgroup;
637
638 if (lp_workgroup()) {
639 workgroup = SMB_STRDUP(lp_workgroup());
640 }
641 else {
642 /* TODO: Think about a decent default workgroup */
643 workgroup = SMB_STRDUP("samba");
644 }
645
646 if (!workgroup) {
647 errno = ENOMEM;
648 return NULL;
649 }
650
651 smbc_setWorkgroup(context, workgroup);
652 SAFE_FREE(workgroup);
653
654 if (!smbc_getWorkgroup(context)) {
655 errno = ENOMEM;
656 return NULL;
657 }
658 }
659
660 DEBUG(1, ("Using workgroup %s.\n", smbc_getWorkgroup(context)));
661
662 /* shortest timeout is 1 second */
663 if (smbc_getTimeout(context) > 0 && smbc_getTimeout(context) < 1000)
664 smbc_setTimeout(context, 1000);
665
666 context->internal->initialized = True;
667
668 /* Protect access to the count of contexts in use */
669 if (SMB_THREAD_LOCK(initialized_ctx_count_mutex) != 0) {
670 smb_panic("error locking 'initialized_ctx_count'");
671 }
672
673 initialized_ctx_count++;
674
675 /* Unlock the mutex */
676 if (SMB_THREAD_UNLOCK(initialized_ctx_count_mutex) != 0) {
677 smb_panic("error unlocking 'initialized_ctx_count'");
678 }
679
680 return context;
681}
682
683
684/* Return the verion of samba, and thus libsmbclient */
685const char *
686smbc_version(void)
687{
688 return samba_version_string();
689}
690
691/*
692 * Set the credentials so DFS will work when following referrals.
693 * This function is broken and must be removed. No SMBCCTX arg...
694 * JRA.
695 */
696
697void
698smbc_set_credentials(const char *workgroup,
699 const char *user,
700 const char *password,
701 smbc_bool use_kerberos,
702 const char *signing_state)
703{
704 d_printf("smbc_set_credentials is obsolete. Replace with smbc_set_credentials_with_fallback().\n");
705}
706
707void smbc_set_credentials_with_fallback(SMBCCTX *context,
708 const char *workgroup,
709 const char *user,
710 const char *password)
711{
712 smbc_bool use_kerberos = false;
713 const char *signing_state = "off";
714 struct user_auth_info *auth_info = NULL;
715
716 if (! context) {
717
718 return;
719 }
720
721 if (! workgroup || ! *workgroup) {
722 workgroup = smbc_getWorkgroup(context);
723 }
724
725 if (! user) {
726 user = smbc_getUser(context);
727 }
728
729 if (! password) {
730 password = "";
731 }
732
733 auth_info = user_auth_info_init(NULL);
734
735 if (! auth_info) {
736 DEBUG(0, ("smbc_set_credentials_with_fallback: allocation fail\n"));
737 return;
738 }
739
740 if (smbc_getOptionUseKerberos(context)) {
741 use_kerberos = True;
742 }
743
744 if (lp_client_signing()) {
745 signing_state = "on";
746 }
747
748 if (lp_client_signing() == Required) {
749 signing_state = "force";
750 }
751
752 set_cmdline_auth_info_username(auth_info, user);
753 set_cmdline_auth_info_password(auth_info, password);
754 set_cmdline_auth_info_use_kerberos(auth_info, use_kerberos);
755 set_cmdline_auth_info_signing_state(auth_info, signing_state);
756 set_cmdline_auth_info_fallback_after_kerberos(auth_info,
757 smbc_getOptionFallbackAfterKerberos(context));
758 set_cmdline_auth_info_use_ccache(
759 auth_info, smbc_getOptionUseCCache(context));
760 set_global_myworkgroup(workgroup);
761
762 TALLOC_FREE(context->internal->auth_info);
763
764 context->internal->auth_info = auth_info;
765}
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