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r24410: - I got tricked by function naming. Contrary to what seemed obvious to me,
[Samba.git] / source / libsmb / libsmbclient.c
blobbcbdd5a15adb390b8e7bf1d18a264d88e2b9f26f
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, 2004
9
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 3 of the License, or
13 (at your option) any later version.
14
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
19
20 You should have received a copy of the GNU General Public License
21 along with this program. If not, see <http://www.gnu.org/licenses/>.
22 */
23
24 #include "includes.h"
25
26 #include "include/libsmb_internal.h"
27
28 struct smbc_dirent *smbc_readdir_ctx(SMBCCTX *context, SMBCFILE *dir);
29 struct smbc_dir_list *smbc_check_dir_ent(struct smbc_dir_list *list,
30 struct smbc_dirent *dirent);
31
32 /*
33 * DOS Attribute values (used internally)
34 */
35 typedef struct DOS_ATTR_DESC {
36 int mode;
37 SMB_OFF_T size;
38 time_t create_time;
39 time_t access_time;
40 time_t write_time;
41 time_t change_time;
42 SMB_INO_T inode;
43 } DOS_ATTR_DESC;
44
45
46 /*
47 * Internal flags for extended attributes
48 */
49
50 /* internal mode values */
51 #define SMBC_XATTR_MODE_ADD 1
52 #define SMBC_XATTR_MODE_REMOVE 2
53 #define SMBC_XATTR_MODE_REMOVE_ALL 3
54 #define SMBC_XATTR_MODE_SET 4
55 #define SMBC_XATTR_MODE_CHOWN 5
56 #define SMBC_XATTR_MODE_CHGRP 6
57
58 #define CREATE_ACCESS_READ READ_CONTROL_ACCESS
59
60 /*We should test for this in configure ... */
61 #ifndef ENOTSUP
62 #define ENOTSUP EOPNOTSUPP
63 #endif
64
65 /*
66 * Functions exported by libsmb_cache.c that we need here
67 */
68 int smbc_default_cache_functions(SMBCCTX *context);
69
70 /*
71 * check if an element is part of the list.
72 * FIXME: Does not belong here !
73 * Can anyone put this in a macro in dlinklist.h ?
74 * -- Tom
75 */
76 static int DLIST_CONTAINS(SMBCFILE * list, SMBCFILE *p) {
77 if (!p || !list) return False;
78 do {
79 if (p == list) return True;
80 list = list->next;
81 } while (list);
82 return False;
83 }
84
85 /*
86 * Find an lsa pipe handle associated with a cli struct.
87 */
88 static struct rpc_pipe_client *
89 find_lsa_pipe_hnd(struct cli_state *ipc_cli)
90 {
91 struct rpc_pipe_client *pipe_hnd;
92
93 for (pipe_hnd = ipc_cli->pipe_list;
94 pipe_hnd;
95 pipe_hnd = pipe_hnd->next) {
96
97 if (pipe_hnd->pipe_idx == PI_LSARPC) {
98 return pipe_hnd;
99 }
100 }
101
102 return NULL;
103 }
104
105 static int
106 smbc_close_ctx(SMBCCTX *context,
107 SMBCFILE *file);
108 static off_t
109 smbc_lseek_ctx(SMBCCTX *context,
110 SMBCFILE *file,
111 off_t offset,
112 int whence);
113
114 extern BOOL in_client;
115
116 /*
117 * Is the logging working / configfile read ?
118 */
119 static int smbc_initialized = 0;
120
121 static int
122 hex2int( unsigned int _char )
123 {
124 if ( _char >= 'A' && _char <='F')
125 return _char - 'A' + 10;
126 if ( _char >= 'a' && _char <='f')
127 return _char - 'a' + 10;
128 if ( _char >= '0' && _char <='9')
129 return _char - '0';
130 return -1;
131 }
132
133 /*
134 * smbc_urldecode()
135 *
136 * Convert strings of %xx to their single character equivalent. Each 'x' must
137 * be a valid hexadecimal digit, or that % sequence is left undecoded.
138 *
139 * dest may, but need not be, the same pointer as src.
140 *
141 * Returns the number of % sequences which could not be converted due to lack
142 * of two following hexadecimal digits.
143 */
144 int
145 smbc_urldecode(char *dest, char * src, size_t max_dest_len)
146 {
147 int old_length = strlen(src);
148 int i = 0;
149 int err_count = 0;
150 pstring temp;
151 char * p;
152
153 if ( old_length == 0 ) {
154 return 0;
155 }
156
157 p = temp;
158 while ( i < old_length ) {
159 unsigned char character = src[ i++ ];
160
161 if (character == '%') {
162 int a = i+1 < old_length ? hex2int( src[i] ) : -1;
163 int b = i+1 < old_length ? hex2int( src[i+1] ) : -1;
164
165 /* Replace valid sequence */
166 if (a != -1 && b != -1) {
167
168 /* Replace valid %xx sequence with %dd */
169 character = (a * 16) + b;
170
171 if (character == '\0') {
172 break; /* Stop at %00 */
173 }
174
175 i += 2;
176 } else {
177
178 err_count++;
179 }
180 }
181
182 *p++ = character;
183 }
184
185 *p = '\0';
186
187 strncpy(dest, temp, max_dest_len - 1);
188 dest[max_dest_len - 1] = '\0';
189
190 return err_count;
191 }
192
193 /*
194 * smbc_urlencode()
195 *
196 * Convert any characters not specifically allowed in a URL into their %xx
197 * equivalent.
198 *
199 * Returns the remaining buffer length.
200 */
201 int
202 smbc_urlencode(char * dest, char * src, int max_dest_len)
203 {
204 char hex[] = "0123456789ABCDEF";
205
206 for (; *src != '\0' && max_dest_len >= 3; src++) {
207
208 if ((*src < '0' &&
209 *src != '-' &&
210 *src != '.') ||
211 (*src > '9' &&
212 *src < 'A') ||
213 (*src > 'Z' &&
214 *src < 'a' &&
215 *src != '_') ||
216 (*src > 'z')) {
217 *dest++ = '%';
218 *dest++ = hex[(*src >> 4) & 0x0f];
219 *dest++ = hex[*src & 0x0f];
220 max_dest_len -= 3;
221 } else {
222 *dest++ = *src;
223 max_dest_len--;
224 }
225 }
226
227 *dest++ = '\0';
228 max_dest_len--;
229
230 return max_dest_len;
231 }
232
233 /*
234 * Function to parse a path and turn it into components
235 *
236 * The general format of an SMB URI is explain in Christopher Hertel's CIFS
237 * book, at http://ubiqx.org/cifs/Appendix-D.html. We accept a subset of the
238 * general format ("smb:" only; we do not look for "cifs:").
239 *
240 *
241 * We accept:
242 * smb://[[[domain;]user[:password]@]server[/share[/path[/file]]]][?options]
243 *
244 * Meaning of URLs:
245 *
246 * smb:// Show all workgroups.
247 *
248 * The method of locating the list of workgroups varies
249 * depending upon the setting of the context variable
250 * context->options.browse_max_lmb_count. This value
251 * determine the maximum number of local master browsers to
252 * query for the list of workgroups. In order to ensure that
253 * a complete list of workgroups is obtained, all master
254 * browsers must be queried, but if there are many
255 * workgroups, the time spent querying can begin to add up.
256 * For small networks (not many workgroups), it is suggested
257 * that this variable be set to 0, indicating query all local
258 * master browsers. When the network has many workgroups, a
259 * reasonable setting for this variable might be around 3.
260 *
261 * smb://name/ if name<1D> or name<1B> exists, list servers in
262 * workgroup, else, if name<20> exists, list all shares
263 * for server ...
264 *
265 * If "options" are provided, this function returns the entire option list as a
266 * string, for later parsing by the caller. Note that currently, no options
267 * are supported.
268 */
269
270 static const char *smbc_prefix = "smb:";
271
272 static int
273 smbc_parse_path(SMBCCTX *context,
274 const char *fname,
275 char *workgroup, int workgroup_len,
276 char *server, int server_len,
277 char *share, int share_len,
278 char *path, int path_len,
279 char *user, int user_len,
280 char *password, int password_len,
281 char *options, int options_len)
282 {
283 static pstring s;
284 pstring userinfo;
285 const char *p;
286 char *q, *r;
287 int len;
288
289 server[0] = share[0] = path[0] = user[0] = password[0] = (char)0;
290
291 /*
292 * Assume we wont find an authentication domain to parse, so default
293 * to the workgroup in the provided context.
294 */
295 if (workgroup != NULL) {
296 strncpy(workgroup, context->workgroup, workgroup_len - 1);
297 workgroup[workgroup_len - 1] = '\0';
298 }
299
300 if (options != NULL && options_len > 0) {
301 options[0] = (char)0;
302 }
303 pstrcpy(s, fname);
304
305 /* see if it has the right prefix */
306 len = strlen(smbc_prefix);
307 if (strncmp(s,smbc_prefix,len) || (s[len] != '/' && s[len] != 0)) {
308 return -1; /* What about no smb: ? */
309 }
310
311 p = s + len;
312
313 /* Watch the test below, we are testing to see if we should exit */
314
315 if (strncmp(p, "//", 2) && strncmp(p, "\\\\", 2)) {
316
317 DEBUG(1, ("Invalid path (does not begin with smb://"));
318 return -1;
319
320 }
321
322 p += 2; /* Skip the double slash */
323
324 /* See if any options were specified */
325 if ((q = strrchr(p, '?')) != NULL ) {
326 /* There are options. Null terminate here and point to them */
327 *q++ = '\0';
328
329 DEBUG(4, ("Found options '%s'", q));
330
331 /* Copy the options */
332 if (options != NULL && options_len > 0) {
333 safe_strcpy(options, q, options_len - 1);
334 }
335 }
336
337 if (*p == (char)0)
338 goto decoding;
339
340 if (*p == '/') {
341 int wl = strlen(context->workgroup);
342
343 if (wl > 16) {
344 wl = 16;
345 }
346
347 strncpy(server, context->workgroup, wl);
348 server[wl] = '\0';
349 return 0;
350 }
351
352 /*
353 * ok, its for us. Now parse out the server, share etc.
354 *
355 * However, we want to parse out [[domain;]user[:password]@] if it
356 * exists ...
357 */
358
359 /* check that '@' occurs before '/', if '/' exists at all */
360 q = strchr_m(p, '@');
361 r = strchr_m(p, '/');
362 if (q && (!r || q < r)) {
363 pstring username, passwd, domain;
364 const char *u = userinfo;
365
366 next_token_no_ltrim(&p, userinfo, "@", sizeof(fstring));
367
368 username[0] = passwd[0] = domain[0] = 0;
369
370 if (strchr_m(u, ';')) {
371
372 next_token_no_ltrim(&u, domain, ";", sizeof(fstring));
373
374 }
375
376 if (strchr_m(u, ':')) {
377
378 next_token_no_ltrim(&u, username, ":", sizeof(fstring));
379
380 pstrcpy(passwd, u);
381
382 }
383 else {
384
385 pstrcpy(username, u);
386
387 }
388
389 if (domain[0] && workgroup) {
390 strncpy(workgroup, domain, workgroup_len - 1);
391 workgroup[workgroup_len - 1] = '\0';
392 }
393
394 if (username[0]) {
395 strncpy(user, username, user_len - 1);
396 user[user_len - 1] = '\0';
397 }
398
399 if (passwd[0]) {
400 strncpy(password, passwd, password_len - 1);
401 password[password_len - 1] = '\0';
402 }
403
404 }
405
406 if (!next_token(&p, server, "/", sizeof(fstring))) {
407
408 return -1;
409
410 }
411
412 if (*p == (char)0) goto decoding; /* That's it ... */
413
414 if (!next_token(&p, share, "/", sizeof(fstring))) {
415
416 return -1;
417
418 }
419
420 /*
421 * Prepend a leading slash if there's a file path, as required by
422 * NetApp filers.
423 */
424 *path = '\0';
425 if (*p != '\0') {
426 *path = '/';
427 safe_strcpy(path + 1, p, path_len - 2);
428 }
429
430 all_string_sub(path, "/", "\\", 0);
431
432 decoding:
433 (void) smbc_urldecode(path, path, path_len);
434 (void) smbc_urldecode(server, server, server_len);
435 (void) smbc_urldecode(share, share, share_len);
436 (void) smbc_urldecode(user, user, user_len);
437 (void) smbc_urldecode(password, password, password_len);
438
439 return 0;
440 }
441
442 /*
443 * Verify that the options specified in a URL are valid
444 */
445 static int
446 smbc_check_options(char *server,
447 char *share,
448 char *path,
449 char *options)
450 {
451 DEBUG(4, ("smbc_check_options(): server='%s' share='%s' "
452 "path='%s' options='%s'\n",
453 server, share, path, options));
454
455 /* No options at all is always ok */
456 if (! *options) return 0;
457
458 /* Currently, we don't support any options. */
459 return -1;
460 }
461
462 /*
463 * Convert an SMB error into a UNIX error ...
464 */
465 static int
466 smbc_errno(SMBCCTX *context,
467 struct cli_state *c)
468 {
469 int ret = cli_errno(c);
470
471 if (cli_is_dos_error(c)) {
472 uint8 eclass;
473 uint32 ecode;
474
475 cli_dos_error(c, &eclass, &ecode);
476
477 DEBUG(3,("smbc_error %d %d (0x%x) -> %d\n",
478 (int)eclass, (int)ecode, (int)ecode, ret));
479 } else {
480 NTSTATUS status;
481
482 status = cli_nt_error(c);
483
484 DEBUG(3,("smbc errno %s -> %d\n",
485 nt_errstr(status), ret));
486 }
487
488 return ret;
489 }
490
491 /*
492 * Check a server for being alive and well.
493 * returns 0 if the server is in shape. Returns 1 on error
494 *
495 * Also useable outside libsmbclient to enable external cache
496 * to do some checks too.
497 */
498 static int
499 smbc_check_server(SMBCCTX * context,
500 SMBCSRV * server)
501 {
502 socklen_t size;
503 struct sockaddr addr;
504
505 /*
506 * Although the use of port 139 is not a guarantee that we're using
507 * netbios, we assume so. We don't want to send a keepalive packet if
508 * not netbios because it's not valid, and Vista, at least,
509 * disconnects the client on such a request.
510 */
511 if (server->cli->port == 139) {
512 /* Assuming netbios. Send a keepalive packet */
513 if ( send_keepalive(server->cli->fd) == False ) {
514 return 1;
515 }
516 } else {
517 /*
518 * Assuming not netbios. Try a different method to detect if
519 * the connection is still alive.
520 */
521 size = sizeof(addr);
522 if (getpeername(server->cli->fd, &addr, &size) == -1) {
523 return 1;
524 }
525 }
526
527 /* connection is ok */
528 return 0;
529 }
530
531 /*
532 * Remove a server from the cached server list it's unused.
533 * On success, 0 is returned. 1 is returned if the server could not be removed.
534 *
535 * Also useable outside libsmbclient
536 */
537 int
538 smbc_remove_unused_server(SMBCCTX * context,
539 SMBCSRV * srv)
540 {
541 SMBCFILE * file;
542
543 /* are we being fooled ? */
544 if (!context || !context->internal ||
545 !context->internal->_initialized || !srv) return 1;
546
547
548 /* Check all open files/directories for a relation with this server */
549 for (file = context->internal->_files; file; file=file->next) {
550 if (file->srv == srv) {
551 /* Still used */
552 DEBUG(3, ("smbc_remove_usused_server: "
553 "%p still used by %p.\n",
554 srv, file));
555 return 1;
556 }
557 }
558
559 DLIST_REMOVE(context->internal->_servers, srv);
560
561 cli_shutdown(srv->cli);
562 srv->cli = NULL;
563
564 DEBUG(3, ("smbc_remove_usused_server: %p removed.\n", srv));
565
566 context->callbacks.remove_cached_srv_fn(context, srv);
567
568 SAFE_FREE(srv);
569
570 return 0;
571 }
572
573 static SMBCSRV *
574 find_server(SMBCCTX *context,
575 const char *server,
576 const char *share,
577 fstring workgroup,
578 fstring username,
579 fstring password)
580 {
581 SMBCSRV *srv;
582 int auth_called = 0;
583
584 check_server_cache:
585
586 srv = context->callbacks.get_cached_srv_fn(context, server, share,
587 workgroup, username);
588
589 if (!auth_called && !srv && (!username[0] || !password[0])) {
590 if (context->internal->_auth_fn_with_context != NULL) {
591 context->internal->_auth_fn_with_context(
592 context,
593 server, share,
594 workgroup, sizeof(fstring),
595 username, sizeof(fstring),
596 password, sizeof(fstring));
597 } else {
598 context->callbacks.auth_fn(
599 server, share,
600 workgroup, sizeof(fstring),
601 username, sizeof(fstring),
602 password, sizeof(fstring));
603 }
604
605 /*
606 * However, smbc_auth_fn may have picked up info relating to
607 * an existing connection, so try for an existing connection
608 * again ...
609 */
610 auth_called = 1;
611 goto check_server_cache;
612
613 }
614
615 if (srv) {
616 if (context->callbacks.check_server_fn(context, srv)) {
617 /*
618 * This server is no good anymore
619 * Try to remove it and check for more possible
620 * servers in the cache
621 */
622 if (context->callbacks.remove_unused_server_fn(context,
623 srv)) {
624 /*
625 * We could not remove the server completely,
626 * remove it from the cache so we will not get
627 * it again. It will be removed when the last
628 * file/dir is closed.
629 */
630 context->callbacks.remove_cached_srv_fn(context,
631 srv);
632 }
633
634 /*
635 * Maybe there are more cached connections to this
636 * server
637 */
638 goto check_server_cache;
639 }
640
641 return srv;
642 }
643
644 return NULL;
645 }
646
647 /*
648 * Connect to a server, possibly on an existing connection
649 *
650 * Here, what we want to do is: If the server and username
651 * match an existing connection, reuse that, otherwise, establish a
652 * new connection.
653 *
654 * If we have to create a new connection, call the auth_fn to get the
655 * info we need, unless the username and password were passed in.
656 */
657
658 static SMBCSRV *
659 smbc_server(SMBCCTX *context,
660 BOOL connect_if_not_found,
661 const char *server,
662 const char *share,
663 fstring workgroup,
664 fstring username,
665 fstring password)
666 {
667 SMBCSRV *srv=NULL;
668 struct cli_state *c;
669 struct nmb_name called, calling;
670 const char *server_n = server;
671 pstring ipenv;
672 struct in_addr ip;
673 int tried_reverse = 0;
674 int port_try_first;
675 int port_try_next;
676 const char *username_used;
677 NTSTATUS status;
678
679 zero_ip(&ip);
680 ZERO_STRUCT(c);
681
682 if (server[0] == 0) {
683 errno = EPERM;
684 return NULL;
685 }
686
687 /* Look for a cached connection */
688 srv = find_server(context, server, share,
689 workgroup, username, password);
690
691 /*
692 * If we found a connection and we're only allowed one share per
693 * server...
694 */
695 if (srv && *share != '\0' && context->options.one_share_per_server) {
696
697 /*
698 * ... then if there's no current connection to the share,
699 * connect to it. find_server(), or rather the function
700 * pointed to by context->callbacks.get_cached_srv_fn which
701 * was called by find_server(), will have issued a tree
702 * disconnect if the requested share is not the same as the
703 * one that was already connected.
704 */
705 if (srv->cli->cnum == (uint16) -1) {
706 /* Ensure we have accurate auth info */
707 if (context->internal->_auth_fn_with_context != NULL) {
708 context->internal->_auth_fn_with_context(
709 context,
710 server, share,
711 workgroup, sizeof(fstring),
712 username, sizeof(fstring),
713 password, sizeof(fstring));
714 } else {
715 context->callbacks.auth_fn(
716 server, share,
717 workgroup, sizeof(fstring),
718 username, sizeof(fstring),
719 password, sizeof(fstring));
720 }
721
722 if (! cli_send_tconX(srv->cli, share, "?????",
723 password, strlen(password)+1)) {
724
725 errno = smbc_errno(context, srv->cli);
726 cli_shutdown(srv->cli);
727 srv->cli = NULL;
728 context->callbacks.remove_cached_srv_fn(context,
729 srv);
730 srv = NULL;
731 }
732
733 /*
734 * Regenerate the dev value since it's based on both
735 * server and share
736 */
737 if (srv) {
738 srv->dev = (dev_t)(str_checksum(server) ^
739 str_checksum(share));
740 }
741 }
742 }
743
744 /* If we have a connection... */
745 if (srv) {
746
747 /* ... then we're done here. Give 'em what they came for. */
748 return srv;
749 }
750
751 /* If we're not asked to connect when a connection doesn't exist... */
752 if (! connect_if_not_found) {
753 /* ... then we're done here. */
754 return NULL;
755 }
756
757 make_nmb_name(&calling, context->netbios_name, 0x0);
758 make_nmb_name(&called , server, 0x20);
759
760 DEBUG(4,("smbc_server: server_n=[%s] server=[%s]\n", server_n, server));
761
762 DEBUG(4,(" -> server_n=[%s] server=[%s]\n", server_n, server));
763
764 again:
765 slprintf(ipenv,sizeof(ipenv)-1,"HOST_%s", server_n);
766
767 zero_ip(&ip);
768
769 /* have to open a new connection */
770 if ((c = cli_initialise()) == NULL) {
771 errno = ENOMEM;
772 return NULL;
773 }
774
775 if (context->flags & SMB_CTX_FLAG_USE_KERBEROS) {
776 c->use_kerberos = True;
777 }
778 if (context->flags & SMB_CTX_FLAG_FALLBACK_AFTER_KERBEROS) {
779 c->fallback_after_kerberos = True;
780 }
781
782 c->timeout = context->timeout;
783
784 /*
785 * Force use of port 139 for first try if share is $IPC, empty, or
786 * null, so browse lists can work
787 */
788 if (share == NULL || *share == '\0' || strcmp(share, "IPC$") == 0) {
789 port_try_first = 139;
790 port_try_next = 445;
791 } else {
792 port_try_first = 445;
793 port_try_next = 139;
794 }
795
796 c->port = port_try_first;
797
798 status = cli_connect(c, server_n, &ip);
799 if (!NT_STATUS_IS_OK(status)) {
800
801 /* First connection attempt failed. Try alternate port. */
802 c->port = port_try_next;
803
804 status = cli_connect(c, server_n, &ip);
805 if (!NT_STATUS_IS_OK(status)) {
806 cli_shutdown(c);
807 errno = ETIMEDOUT;
808 return NULL;
809 }
810 }
811
812 if (!cli_session_request(c, &calling, &called)) {
813 cli_shutdown(c);
814 if (strcmp(called.name, "*SMBSERVER")) {
815 make_nmb_name(&called , "*SMBSERVER", 0x20);
816 goto again;
817 } else { /* Try one more time, but ensure we don't loop */
818
819 /* Only try this if server is an IP address ... */
820
821 if (is_ipaddress(server) && !tried_reverse) {
822 fstring remote_name;
823 struct in_addr rem_ip;
824
825 if ((rem_ip.s_addr=inet_addr(server)) == INADDR_NONE) {
826 DEBUG(4, ("Could not convert IP address "
827 "%s to struct in_addr\n", server));
828 errno = ETIMEDOUT;
829 return NULL;
830 }
831
832 tried_reverse++; /* Yuck */
833
834 if (name_status_find("*", 0, 0, rem_ip, remote_name)) {
835 make_nmb_name(&called, remote_name, 0x20);
836 goto again;
837 }
838 }
839 }
840 errno = ETIMEDOUT;
841 return NULL;
842 }
843
844 DEBUG(4,(" session request ok\n"));
845
846 if (!cli_negprot(c)) {
847 cli_shutdown(c);
848 errno = ETIMEDOUT;
849 return NULL;
850 }
851
852 username_used = username;
853
854 if (!NT_STATUS_IS_OK(cli_session_setup(c, username_used,
855 password, strlen(password),
856 password, strlen(password),
857 workgroup))) {
858
859 /* Failed. Try an anonymous login, if allowed by flags. */
860 username_used = "";
861
862 if ((context->flags & SMBCCTX_FLAG_NO_AUTO_ANONYMOUS_LOGON) ||
863 !NT_STATUS_IS_OK(cli_session_setup(c, username_used,
864 password, 1,
865 password, 0,
866 workgroup))) {
867
868 cli_shutdown(c);
869 errno = EPERM;
870 return NULL;
871 }
872 }
873
874 DEBUG(4,(" session setup ok\n"));
875
876 if (!cli_send_tconX(c, share, "?????",
877 password, strlen(password)+1)) {
878 errno = smbc_errno(context, c);
879 cli_shutdown(c);
880 return NULL;
881 }
882
883 DEBUG(4,(" tconx ok\n"));
884
885 /*
886 * Ok, we have got a nice connection
887 * Let's allocate a server structure.
888 */
889
890 srv = SMB_MALLOC_P(SMBCSRV);
891 if (!srv) {
892 errno = ENOMEM;
893 goto failed;
894 }
895
896 ZERO_STRUCTP(srv);
897 srv->cli = c;
898 srv->dev = (dev_t)(str_checksum(server) ^ str_checksum(share));
899 srv->no_pathinfo = False;
900 srv->no_pathinfo2 = False;
901 srv->no_nt_session = False;
902
903 /* now add it to the cache (internal or external) */
904 /* Let the cache function set errno if it wants to */
905 errno = 0;
906 if (context->callbacks.add_cached_srv_fn(context, srv, server, share, workgroup, username)) {
907 int saved_errno = errno;
908 DEBUG(3, (" Failed to add server to cache\n"));
909 errno = saved_errno;
910 if (errno == 0) {
911 errno = ENOMEM;
912 }
913 goto failed;
914 }
915
916 DEBUG(2, ("Server connect ok: //%s/%s: %p\n",
917 server, share, srv));
918
919 DLIST_ADD(context->internal->_servers, srv);
920 return srv;
921
922 failed:
923 cli_shutdown(c);
924 if (!srv) {
925 return NULL;
926 }
927
928 SAFE_FREE(srv);
929 return NULL;
930 }
931
932 /*
933 * Connect to a server for getting/setting attributes, possibly on an existing
934 * connection. This works similarly to smbc_server().
935 */
936 static SMBCSRV *
937 smbc_attr_server(SMBCCTX *context,
938 const char *server,
939 const char *share,
940 fstring workgroup,
941 fstring username,
942 fstring password,
943 POLICY_HND *pol)
944 {
945 int flags;
946 struct in_addr ip;
947 struct cli_state *ipc_cli;
948 struct rpc_pipe_client *pipe_hnd;
949 NTSTATUS nt_status;
950 SMBCSRV *ipc_srv=NULL;
951
952 /*
953 * See if we've already created this special connection. Reference
954 * our "special" share name '*IPC$', which is an impossible real share
955 * name due to the leading asterisk.
956 */
957 ipc_srv = find_server(context, server, "*IPC$",
958 workgroup, username, password);
959 if (!ipc_srv) {
960
961 /* We didn't find a cached connection. Get the password */
962 if (*password == '\0') {
963 /* ... then retrieve it now. */
964 if (context->internal->_auth_fn_with_context != NULL) {
965 context->internal->_auth_fn_with_context(
966 context,
967 server, share,
968 workgroup, sizeof(fstring),
969 username, sizeof(fstring),
970 password, sizeof(fstring));
971 } else {
972 context->callbacks.auth_fn(
973 server, share,
974 workgroup, sizeof(fstring),
975 username, sizeof(fstring),
976 password, sizeof(fstring));
977 }
978 }
979
980 flags = 0;
981 if (context->flags & SMB_CTX_FLAG_USE_KERBEROS) {
982 flags |= CLI_FULL_CONNECTION_USE_KERBEROS;
983 }
984
985 zero_ip(&ip);
986 nt_status = cli_full_connection(&ipc_cli,
987 global_myname(), server,
988 &ip, 0, "IPC$", "?????",
989 username, workgroup,
990 password, flags,
991 Undefined, NULL);
992 if (! NT_STATUS_IS_OK(nt_status)) {
993 DEBUG(1,("cli_full_connection failed! (%s)\n",
994 nt_errstr(nt_status)));
995 errno = ENOTSUP;
996 return NULL;
997 }
998
999 ipc_srv = SMB_MALLOC_P(SMBCSRV);
1000 if (!ipc_srv) {
1001 errno = ENOMEM;
1002 cli_shutdown(ipc_cli);
1003 return NULL;
1004 }
1005
1006 ZERO_STRUCTP(ipc_srv);
1007 ipc_srv->cli = ipc_cli;
1008
1009 if (pol) {
1010 pipe_hnd = cli_rpc_pipe_open_noauth(ipc_srv->cli,
1011 PI_LSARPC,
1012 &nt_status);
1013 if (!pipe_hnd) {
1014 DEBUG(1, ("cli_nt_session_open fail!\n"));
1015 errno = ENOTSUP;
1016 cli_shutdown(ipc_srv->cli);
1017 free(ipc_srv);
1018 return NULL;
1019 }
1020
1021 /*
1022 * Some systems don't support
1023 * SEC_RIGHTS_MAXIMUM_ALLOWED, but NT sends 0x2000000
1024 * so we might as well do it too.
1025 */
1026
1027 nt_status = rpccli_lsa_open_policy(
1028 pipe_hnd,
1029 ipc_srv->cli->mem_ctx,
1030 True,
1031 GENERIC_EXECUTE_ACCESS,
1032 pol);
1033
1034 if (!NT_STATUS_IS_OK(nt_status)) {
1035 errno = smbc_errno(context, ipc_srv->cli);
1036 cli_shutdown(ipc_srv->cli);
1037 return NULL;
1038 }
1039 }
1040
1041 /* now add it to the cache (internal or external) */
1042
1043 errno = 0; /* let cache function set errno if it likes */
1044 if (context->callbacks.add_cached_srv_fn(context, ipc_srv,
1045 server,
1046 "*IPC$",
1047 workgroup,
1048 username)) {
1049 DEBUG(3, (" Failed to add server to cache\n"));
1050 if (errno == 0) {
1051 errno = ENOMEM;
1052 }
1053 cli_shutdown(ipc_srv->cli);
1054 free(ipc_srv);
1055 return NULL;
1056 }
1057
1058 DLIST_ADD(context->internal->_servers, ipc_srv);
1059 }
1060
1061 return ipc_srv;
1062 }
1063
1064 /*
1065 * Routine to open() a file ...
1066 */
1067
1068 static SMBCFILE *
1069 smbc_open_ctx(SMBCCTX *context,
1070 const char *fname,
1071 int flags,
1072 mode_t mode)
1073 {
1074 fstring server, share, user, password, workgroup;
1075 pstring path;
1076 pstring targetpath;
1077 struct cli_state *targetcli;
1078 SMBCSRV *srv = NULL;
1079 SMBCFILE *file = NULL;
1080 int fd;
1081
1082 if (!context || !context->internal ||
1083 !context->internal->_initialized) {
1084
1085 errno = EINVAL; /* Best I can think of ... */
1086 return NULL;
1087
1088 }
1089
1090 if (!fname) {
1091
1092 errno = EINVAL;
1093 return NULL;
1094
1095 }
1096
1097 if (smbc_parse_path(context, fname,
1098 workgroup, sizeof(workgroup),
1099 server, sizeof(server),
1100 share, sizeof(share),
1101 path, sizeof(path),
1102 user, sizeof(user),
1103 password, sizeof(password),
1104 NULL, 0)) {
1105 errno = EINVAL;
1106 return NULL;
1107 }
1108
1109 if (user[0] == (char)0) fstrcpy(user, context->user);
1110
1111 srv = smbc_server(context, True,
1112 server, share, workgroup, user, password);
1113
1114 if (!srv) {
1115
1116 if (errno == EPERM) errno = EACCES;
1117 return NULL; /* smbc_server sets errno */
1118
1119 }
1120
1121 /* Hmmm, the test for a directory is suspect here ... FIXME */
1122
1123 if (strlen(path) > 0 && path[strlen(path) - 1] == '\\') {
1124
1125 fd = -1;
1126
1127 }
1128 else {
1129
1130 file = SMB_MALLOC_P(SMBCFILE);
1131
1132 if (!file) {
1133
1134 errno = ENOMEM;
1135 return NULL;
1136
1137 }
1138
1139 ZERO_STRUCTP(file);
1140
1141 /*d_printf(">>>open: resolving %s\n", path);*/
1142 if (!cli_resolve_path( "", srv->cli, path, &targetcli, targetpath))
1143 {
1144 d_printf("Could not resolve %s\n", path);
1145 SAFE_FREE(file);
1146 return NULL;
1147 }
1148 /*d_printf(">>>open: resolved %s as %s\n", path, targetpath);*/
1149
1150 if ((fd = cli_open(targetcli, targetpath, flags,
1151 context->internal->_share_mode)) < 0) {
1152
1153 /* Handle the error ... */
1154
1155 SAFE_FREE(file);
1156 errno = smbc_errno(context, targetcli);
1157 return NULL;
1158
1159 }
1160
1161 /* Fill in file struct */
1162
1163 file->cli_fd = fd;
1164 file->fname = SMB_STRDUP(fname);
1165 file->srv = srv;
1166 file->offset = 0;
1167 file->file = True;
1168
1169 DLIST_ADD(context->internal->_files, file);
1170
1171 /*
1172 * If the file was opened in O_APPEND mode, all write
1173 * operations should be appended to the file. To do that,
1174 * though, using this protocol, would require a getattrE()
1175 * call for each and every write, to determine where the end
1176 * of the file is. (There does not appear to be an append flag
1177 * in the protocol.) Rather than add all of that overhead of
1178 * retrieving the current end-of-file offset prior to each
1179 * write operation, we'll assume that most append operations
1180 * will continuously write, so we'll just set the offset to
1181 * the end of the file now and hope that's adequate.
1182 *
1183 * Note to self: If this proves inadequate, and O_APPEND
1184 * should, in some cases, be forced for each write, add a
1185 * field in the context options structure, for
1186 * "strict_append_mode" which would select between the current
1187 * behavior (if FALSE) or issuing a getattrE() prior to each
1188 * write and forcing the write to the end of the file (if
1189 * TRUE). Adding that capability will likely require adding
1190 * an "append" flag into the _SMBCFILE structure to track
1191 * whether a file was opened in O_APPEND mode. -- djl
1192 */
1193 if (flags & O_APPEND) {
1194 if (smbc_lseek_ctx(context, file, 0, SEEK_END) < 0) {
1195 (void) smbc_close_ctx(context, file);
1196 errno = ENXIO;
1197 return NULL;
1198 }
1199 }
1200
1201 return file;
1202
1203 }
1204
1205 /* Check if opendir needed ... */
1206
1207 if (fd == -1) {
1208 int eno = 0;
1209
1210 eno = smbc_errno(context, srv->cli);
1211 file = context->opendir(context, fname);
1212 if (!file) errno = eno;
1213 return file;
1214
1215 }
1216
1217 errno = EINVAL; /* FIXME, correct errno ? */
1218 return NULL;
1219
1220 }
1221
1222 /*
1223 * Routine to create a file
1224 */
1225
1226 static int creat_bits = O_WRONLY | O_CREAT | O_TRUNC; /* FIXME: Do we need this */
1227
1228 static SMBCFILE *
1229 smbc_creat_ctx(SMBCCTX *context,
1230 const char *path,
1231 mode_t mode)
1232 {
1233
1234 if (!context || !context->internal ||
1235 !context->internal->_initialized) {
1236
1237 errno = EINVAL;
1238 return NULL;
1239
1240 }
1241
1242 return smbc_open_ctx(context, path, creat_bits, mode);
1243 }
1244
1245 /*
1246 * Routine to read() a file ...
1247 */
1248
1249 static ssize_t
1250 smbc_read_ctx(SMBCCTX *context,
1251 SMBCFILE *file,
1252 void *buf,
1253 size_t count)
1254 {
1255 int ret;
1256 fstring server, share, user, password;
1257 pstring path, targetpath;
1258 struct cli_state *targetcli;
1259
1260 /*
1261 * offset:
1262 *
1263 * Compiler bug (possibly) -- gcc (GCC) 3.3.5 (Debian 1:3.3.5-2) --
1264 * appears to pass file->offset (which is type off_t) differently than
1265 * a local variable of type off_t. Using local variable "offset" in
1266 * the call to cli_read() instead of file->offset fixes a problem
1267 * retrieving data at an offset greater than 4GB.
1268 */
1269 off_t offset;
1270
1271 if (!context || !context->internal ||
1272 !context->internal->_initialized) {
1273
1274 errno = EINVAL;
1275 return -1;
1276
1277 }
1278
1279 DEBUG(4, ("smbc_read(%p, %d)\n", file, (int)count));
1280
1281 if (!file || !DLIST_CONTAINS(context->internal->_files, file)) {
1282
1283 errno = EBADF;
1284 return -1;
1285
1286 }
1287
1288 offset = file->offset;
1289
1290 /* Check that the buffer exists ... */
1291
1292 if (buf == NULL) {
1293
1294 errno = EINVAL;
1295 return -1;
1296
1297 }
1298
1299 /*d_printf(">>>read: parsing %s\n", file->fname);*/
1300 if (smbc_parse_path(context, file->fname,
1301 NULL, 0,
1302 server, sizeof(server),
1303 share, sizeof(share),
1304 path, sizeof(path),
1305 user, sizeof(user),
1306 password, sizeof(password),
1307 NULL, 0)) {
1308 errno = EINVAL;
1309 return -1;
1310 }
1311
1312 /*d_printf(">>>read: resolving %s\n", path);*/
1313 if (!cli_resolve_path("", file->srv->cli, path,
1314 &targetcli, targetpath))
1315 {
1316 d_printf("Could not resolve %s\n", path);
1317 return -1;
1318 }
1319 /*d_printf(">>>fstat: resolved path as %s\n", targetpath);*/
1320
1321 ret = cli_read(targetcli, file->cli_fd, (char *)buf, offset, count);
1322
1323 if (ret < 0) {
1324
1325 errno = smbc_errno(context, targetcli);
1326 return -1;
1327
1328 }
1329
1330 file->offset += ret;
1331
1332 DEBUG(4, (" --> %d\n", ret));
1333
1334 return ret; /* Success, ret bytes of data ... */
1335
1336 }
1337
1338 /*
1339 * Routine to write() a file ...
1340 */
1341
1342 static ssize_t
1343 smbc_write_ctx(SMBCCTX *context,
1344 SMBCFILE *file,
1345 void *buf,
1346 size_t count)
1347 {
1348 int ret;
1349 off_t offset;
1350 fstring server, share, user, password;
1351 pstring path, targetpath;
1352 struct cli_state *targetcli;
1353
1354 /* First check all pointers before dereferencing them */
1355
1356 if (!context || !context->internal ||
1357 !context->internal->_initialized) {
1358
1359 errno = EINVAL;
1360 return -1;
1361
1362 }
1363
1364 if (!file || !DLIST_CONTAINS(context->internal->_files, file)) {
1365
1366 errno = EBADF;
1367 return -1;
1368
1369 }
1370
1371 /* Check that the buffer exists ... */
1372
1373 if (buf == NULL) {
1374
1375 errno = EINVAL;
1376 return -1;
1377
1378 }
1379
1380 offset = file->offset; /* See "offset" comment in smbc_read_ctx() */
1381
1382 /*d_printf(">>>write: parsing %s\n", file->fname);*/
1383 if (smbc_parse_path(context, file->fname,
1384 NULL, 0,
1385 server, sizeof(server),
1386 share, sizeof(share),
1387 path, sizeof(path),
1388 user, sizeof(user),
1389 password, sizeof(password),
1390 NULL, 0)) {
1391 errno = EINVAL;
1392 return -1;
1393 }
1394
1395 /*d_printf(">>>write: resolving %s\n", path);*/
1396 if (!cli_resolve_path("", file->srv->cli, path,
1397 &targetcli, targetpath))
1398 {
1399 d_printf("Could not resolve %s\n", path);
1400 return -1;
1401 }
1402 /*d_printf(">>>write: resolved path as %s\n", targetpath);*/
1403
1404
1405 ret = cli_write(targetcli, file->cli_fd, 0, (char *)buf, offset, count);
1406
1407 if (ret <= 0) {
1408
1409 errno = smbc_errno(context, targetcli);
1410 return -1;
1411
1412 }
1413
1414 file->offset += ret;
1415
1416 return ret; /* Success, 0 bytes of data ... */
1417 }
1418
1419 /*
1420 * Routine to close() a file ...
1421 */
1422
1423 static int
1424 smbc_close_ctx(SMBCCTX *context,
1425 SMBCFILE *file)
1426 {
1427 SMBCSRV *srv;
1428 fstring server, share, user, password;
1429 pstring path, targetpath;
1430 struct cli_state *targetcli;
1431
1432 if (!context || !context->internal ||
1433 !context->internal->_initialized) {
1434
1435 errno = EINVAL;
1436 return -1;
1437
1438 }
1439
1440 if (!file || !DLIST_CONTAINS(context->internal->_files, file)) {
1441
1442 errno = EBADF;
1443 return -1;
1444
1445 }
1446
1447 /* IS a dir ... */
1448 if (!file->file) {
1449
1450 return context->closedir(context, file);
1451
1452 }
1453
1454 /*d_printf(">>>close: parsing %s\n", file->fname);*/
1455 if (smbc_parse_path(context, file->fname,
1456 NULL, 0,
1457 server, sizeof(server),
1458 share, sizeof(share),
1459 path, sizeof(path),
1460 user, sizeof(user),
1461 password, sizeof(password),
1462 NULL, 0)) {
1463 errno = EINVAL;
1464 return -1;
1465 }
1466
1467 /*d_printf(">>>close: resolving %s\n", path);*/
1468 if (!cli_resolve_path("", file->srv->cli, path,
1469 &targetcli, targetpath))
1470 {
1471 d_printf("Could not resolve %s\n", path);
1472 return -1;
1473 }
1474 /*d_printf(">>>close: resolved path as %s\n", targetpath);*/
1475
1476 if (!cli_close(targetcli, file->cli_fd)) {
1477
1478 DEBUG(3, ("cli_close failed on %s. purging server.\n",
1479 file->fname));
1480 /* Deallocate slot and remove the server
1481 * from the server cache if unused */
1482 errno = smbc_errno(context, targetcli);
1483 srv = file->srv;
1484 DLIST_REMOVE(context->internal->_files, file);
1485 SAFE_FREE(file->fname);
1486 SAFE_FREE(file);
1487 context->callbacks.remove_unused_server_fn(context, srv);
1488
1489 return -1;
1490
1491 }
1492
1493 DLIST_REMOVE(context->internal->_files, file);
1494 SAFE_FREE(file->fname);
1495 SAFE_FREE(file);
1496
1497 return 0;
1498 }
1499
1500 /*
1501 * Get info from an SMB server on a file. Use a qpathinfo call first
1502 * and if that fails, use getatr, as Win95 sometimes refuses qpathinfo
1503 */
1504 static BOOL
1505 smbc_getatr(SMBCCTX * context,
1506 SMBCSRV *srv,
1507 char *path,
1508 uint16 *mode,
1509 SMB_OFF_T *size,
1510 struct timespec *create_time_ts,
1511 struct timespec *access_time_ts,
1512 struct timespec *write_time_ts,
1513 struct timespec *change_time_ts,
1514 SMB_INO_T *ino)
1515 {
1516 pstring fixedpath;
1517 pstring targetpath;
1518 struct cli_state *targetcli;
1519 time_t write_time;
1520
1521 if (!context || !context->internal ||
1522 !context->internal->_initialized) {
1523
1524 errno = EINVAL;
1525 return -1;
1526
1527 }
1528
1529 /* path fixup for . and .. */
1530 if (strequal(path, ".") || strequal(path, ".."))
1531 pstrcpy(fixedpath, "\\");
1532 else
1533 {
1534 pstrcpy(fixedpath, path);
1535 trim_string(fixedpath, NULL, "\\..");
1536 trim_string(fixedpath, NULL, "\\.");
1537 }
1538 DEBUG(4,("smbc_getatr: sending qpathinfo\n"));
1539
1540 if (!cli_resolve_path( "", srv->cli, fixedpath, &targetcli, targetpath))
1541 {
1542 d_printf("Couldn't resolve %s\n", path);
1543 return False;
1544 }
1545
1546 if (!srv->no_pathinfo2 &&
1547 cli_qpathinfo2(targetcli, targetpath,
1548 create_time_ts,
1549 access_time_ts,
1550 write_time_ts,
1551 change_time_ts,
1552 size, mode, ino)) {
1553 return True;
1554 }
1555
1556 /* if this is NT then don't bother with the getatr */
1557 if (targetcli->capabilities & CAP_NT_SMBS) {
1558 errno = EPERM;
1559 return False;
1560 }
1561
1562 if (cli_getatr(targetcli, targetpath, mode, size, &write_time)) {
1563
1564 struct timespec w_time_ts;
1565
1566 w_time_ts = convert_time_t_to_timespec(write_time);
1567
1568 if (write_time_ts != NULL) {
1569 *write_time_ts = w_time_ts;
1570 }
1571
1572 if (create_time_ts != NULL) {
1573 *create_time_ts = w_time_ts;
1574 }
1575
1576 if (access_time_ts != NULL) {
1577 *access_time_ts = w_time_ts;
1578 }
1579
1580 if (change_time_ts != NULL) {
1581 *change_time_ts = w_time_ts;
1582 }
1583
1584 srv->no_pathinfo2 = True;
1585 return True;
1586 }
1587
1588 errno = EPERM;
1589 return False;
1590
1591 }
1592
1593 /*
1594 * Set file info on an SMB server. Use setpathinfo call first. If that
1595 * fails, use setattrE..
1596 *
1597 * Access and modification time parameters are always used and must be
1598 * provided. Create time, if zero, will be determined from the actual create
1599 * time of the file. If non-zero, the create time will be set as well.
1600 *
1601 * "mode" (attributes) parameter may be set to -1 if it is not to be set.
1602 */
1603 static BOOL
1604 smbc_setatr(SMBCCTX * context, SMBCSRV *srv, char *path,
1605 time_t create_time,
1606 time_t access_time,
1607 time_t write_time,
1608 time_t change_time,
1609 uint16 mode)
1610 {
1611 int fd;
1612 int ret;
1613
1614 /*
1615 * First, try setpathinfo (if qpathinfo succeeded), for it is the
1616 * modern function for "new code" to be using, and it works given a
1617 * filename rather than requiring that the file be opened to have its
1618 * attributes manipulated.
1619 */
1620 if (srv->no_pathinfo ||
1621 ! cli_setpathinfo(srv->cli, path,
1622 create_time,
1623 access_time,
1624 write_time,
1625 change_time,
1626 mode)) {
1627
1628 /*
1629 * setpathinfo is not supported; go to plan B.
1630 *
1631 * cli_setatr() does not work on win98, and it also doesn't
1632 * support setting the access time (only the modification
1633 * time), so in all cases, we open the specified file and use
1634 * cli_setattrE() which should work on all OS versions, and
1635 * supports both times.
1636 */
1637
1638 /* Don't try {q,set}pathinfo() again, with this server */
1639 srv->no_pathinfo = True;
1640
1641 /* Open the file */
1642 if ((fd = cli_open(srv->cli, path, O_RDWR, DENY_NONE)) < 0) {
1643
1644 errno = smbc_errno(context, srv->cli);
1645 return -1;
1646 }
1647
1648 /* Set the new attributes */
1649 ret = cli_setattrE(srv->cli, fd,
1650 change_time,
1651 access_time,
1652 write_time);
1653
1654 /* Close the file */
1655 cli_close(srv->cli, fd);
1656
1657 /*
1658 * Unfortunately, setattrE() doesn't have a provision for
1659 * setting the access mode (attributes). We'll have to try
1660 * cli_setatr() for that, and with only this parameter, it
1661 * seems to work on win98.
1662 */
1663 if (ret && mode != (uint16) -1) {
1664 ret = cli_setatr(srv->cli, path, mode, 0);
1665 }
1666
1667 if (! ret) {
1668 errno = smbc_errno(context, srv->cli);
1669 return False;
1670 }
1671 }
1672
1673 return True;
1674 }
1675
1676 /*
1677 * Routine to unlink() a file
1678 */
1679
1680 static int
1681 smbc_unlink_ctx(SMBCCTX *context,
1682 const char *fname)
1683 {
1684 fstring server, share, user, password, workgroup;
1685 pstring path, targetpath;
1686 struct cli_state *targetcli;
1687 SMBCSRV *srv = NULL;
1688
1689 if (!context || !context->internal ||
1690 !context->internal->_initialized) {
1691
1692 errno = EINVAL; /* Best I can think of ... */
1693 return -1;
1694
1695 }
1696
1697 if (!fname) {
1698
1699 errno = EINVAL;
1700 return -1;
1701
1702 }
1703
1704 if (smbc_parse_path(context, fname,
1705 workgroup, sizeof(workgroup),
1706 server, sizeof(server),
1707 share, sizeof(share),
1708 path, sizeof(path),
1709 user, sizeof(user),
1710 password, sizeof(password),
1711 NULL, 0)) {
1712 errno = EINVAL;
1713 return -1;
1714 }
1715
1716 if (user[0] == (char)0) fstrcpy(user, context->user);
1717
1718 srv = smbc_server(context, True,
1719 server, share, workgroup, user, password);
1720
1721 if (!srv) {
1722
1723 return -1; /* smbc_server sets errno */
1724
1725 }
1726
1727 /*d_printf(">>>unlink: resolving %s\n", path);*/
1728 if (!cli_resolve_path( "", srv->cli, path, &targetcli, targetpath))
1729 {
1730 d_printf("Could not resolve %s\n", path);
1731 return -1;
1732 }
1733 /*d_printf(">>>unlink: resolved path as %s\n", targetpath);*/
1734
1735 if (!cli_unlink(targetcli, targetpath)) {
1736
1737 errno = smbc_errno(context, targetcli);
1738
1739 if (errno == EACCES) { /* Check if the file is a directory */
1740
1741 int saverr = errno;
1742 SMB_OFF_T size = 0;
1743 uint16 mode = 0;
1744 struct timespec write_time_ts;
1745 struct timespec access_time_ts;
1746 struct timespec change_time_ts;
1747 SMB_INO_T ino = 0;
1748
1749 if (!smbc_getatr(context, srv, path, &mode, &size,
1750 NULL,
1751 &access_time_ts,
1752 &write_time_ts,
1753 &change_time_ts,
1754 &ino)) {
1755
1756 /* Hmmm, bad error ... What? */
1757
1758 errno = smbc_errno(context, targetcli);
1759 return -1;
1760
1761 }
1762 else {
1763
1764 if (IS_DOS_DIR(mode))
1765 errno = EISDIR;
1766 else
1767 errno = saverr; /* Restore this */
1768
1769 }
1770 }
1771
1772 return -1;
1773
1774 }
1775
1776 return 0; /* Success ... */
1777
1778 }
1779
1780 /*
1781 * Routine to rename() a file
1782 */
1783
1784 static int
1785 smbc_rename_ctx(SMBCCTX *ocontext,
1786 const char *oname,
1787 SMBCCTX *ncontext,
1788 const char *nname)
1789 {
1790 fstring server1;
1791 fstring share1;
1792 fstring server2;
1793 fstring share2;
1794 fstring user1;
1795 fstring user2;
1796 fstring password1;
1797 fstring password2;
1798 fstring workgroup;
1799 pstring path1;
1800 pstring path2;
1801 pstring targetpath1;
1802 pstring targetpath2;
1803 struct cli_state *targetcli1;
1804 struct cli_state *targetcli2;
1805 SMBCSRV *srv = NULL;
1806
1807 if (!ocontext || !ncontext ||
1808 !ocontext->internal || !ncontext->internal ||
1809 !ocontext->internal->_initialized ||
1810 !ncontext->internal->_initialized) {
1811
1812 errno = EINVAL; /* Best I can think of ... */
1813 return -1;
1814
1815 }
1816
1817 if (!oname || !nname) {
1818
1819 errno = EINVAL;
1820 return -1;
1821
1822 }
1823
1824 DEBUG(4, ("smbc_rename(%s,%s)\n", oname, nname));
1825
1826 smbc_parse_path(ocontext, oname,
1827 workgroup, sizeof(workgroup),
1828 server1, sizeof(server1),
1829 share1, sizeof(share1),
1830 path1, sizeof(path1),
1831 user1, sizeof(user1),
1832 password1, sizeof(password1),
1833 NULL, 0);
1834
1835 if (user1[0] == (char)0) fstrcpy(user1, ocontext->user);
1836
1837 smbc_parse_path(ncontext, nname,
1838 NULL, 0,
1839 server2, sizeof(server2),
1840 share2, sizeof(share2),
1841 path2, sizeof(path2),
1842 user2, sizeof(user2),
1843 password2, sizeof(password2),
1844 NULL, 0);
1845
1846 if (user2[0] == (char)0) fstrcpy(user2, ncontext->user);
1847
1848 if (strcmp(server1, server2) || strcmp(share1, share2) ||
1849 strcmp(user1, user2)) {
1850
1851 /* Can't rename across file systems, or users?? */
1852
1853 errno = EXDEV;
1854 return -1;
1855
1856 }
1857
1858 srv = smbc_server(ocontext, True,
1859 server1, share1, workgroup, user1, password1);
1860 if (!srv) {
1861
1862 return -1;
1863
1864 }
1865
1866 /*d_printf(">>>rename: resolving %s\n", path1);*/
1867 if (!cli_resolve_path( "", srv->cli, path1, &targetcli1, targetpath1))
1868 {
1869 d_printf("Could not resolve %s\n", path1);
1870 return -1;
1871 }
1872 /*d_printf(">>>rename: resolved path as %s\n", targetpath1);*/
1873 /*d_printf(">>>rename: resolving %s\n", path2);*/
1874 if (!cli_resolve_path( "", srv->cli, path2, &targetcli2, targetpath2))
1875 {
1876 d_printf("Could not resolve %s\n", path2);
1877 return -1;
1878 }
1879 /*d_printf(">>>rename: resolved path as %s\n", targetpath2);*/
1880
1881 if (strcmp(targetcli1->desthost, targetcli2->desthost) ||
1882 strcmp(targetcli1->share, targetcli2->share))
1883 {
1884 /* can't rename across file systems */
1885
1886 errno = EXDEV;
1887 return -1;
1888 }
1889
1890 if (!cli_rename(targetcli1, targetpath1, targetpath2)) {
1891 int eno = smbc_errno(ocontext, targetcli1);
1892
1893 if (eno != EEXIST ||
1894 !cli_unlink(targetcli1, targetpath2) ||
1895 !cli_rename(targetcli1, targetpath1, targetpath2)) {
1896
1897 errno = eno;
1898 return -1;
1899
1900 }
1901 }
1902
1903 return 0; /* Success */
1904
1905 }
1906
1907 /*
1908 * A routine to lseek() a file
1909 */
1910
1911 static off_t
1912 smbc_lseek_ctx(SMBCCTX *context,
1913 SMBCFILE *file,
1914 off_t offset,
1915 int whence)
1916 {
1917 SMB_OFF_T size;
1918 fstring server, share, user, password;
1919 pstring path, targetpath;
1920 struct cli_state *targetcli;
1921
1922 if (!context || !context->internal ||
1923 !context->internal->_initialized) {
1924
1925 errno = EINVAL;
1926 return -1;
1927
1928 }
1929
1930 if (!file || !DLIST_CONTAINS(context->internal->_files, file)) {
1931
1932 errno = EBADF;
1933 return -1;
1934
1935 }
1936
1937 if (!file->file) {
1938
1939 errno = EINVAL;
1940 return -1; /* Can't lseek a dir ... */
1941
1942 }
1943
1944 switch (whence) {
1945 case SEEK_SET:
1946 file->offset = offset;
1947 break;
1948
1949 case SEEK_CUR:
1950 file->offset += offset;
1951 break;
1952
1953 case SEEK_END:
1954 /*d_printf(">>>lseek: parsing %s\n", file->fname);*/
1955 if (smbc_parse_path(context, file->fname,
1956 NULL, 0,
1957 server, sizeof(server),
1958 share, sizeof(share),
1959 path, sizeof(path),
1960 user, sizeof(user),
1961 password, sizeof(password),
1962 NULL, 0)) {
1963
1964 errno = EINVAL;
1965 return -1;
1966 }
1967
1968 /*d_printf(">>>lseek: resolving %s\n", path);*/
1969 if (!cli_resolve_path("", file->srv->cli, path,
1970 &targetcli, targetpath))
1971 {
1972 d_printf("Could not resolve %s\n", path);
1973 return -1;
1974 }
1975 /*d_printf(">>>lseek: resolved path as %s\n", targetpath);*/
1976
1977 if (!cli_qfileinfo(targetcli, file->cli_fd, NULL,
1978 &size, NULL, NULL, NULL, NULL, NULL))
1979 {
1980 SMB_OFF_T b_size = size;
1981 if (!cli_getattrE(targetcli, file->cli_fd,
1982 NULL, &b_size, NULL, NULL, NULL))
1983 {
1984 errno = EINVAL;
1985 return -1;
1986 } else
1987 size = b_size;
1988 }
1989 file->offset = size + offset;
1990 break;
1991
1992 default:
1993 errno = EINVAL;
1994 break;
1995
1996 }
1997
1998 return file->offset;
1999
2000 }
2001
2002 /*
2003 * Generate an inode number from file name for those things that need it
2004 */
2005
2006 static ino_t
2007 smbc_inode(SMBCCTX *context,
2008 const char *name)
2009 {
2010
2011 if (!context || !context->internal ||
2012 !context->internal->_initialized) {
2013
2014 errno = EINVAL;
2015 return -1;
2016
2017 }
2018
2019 if (!*name) return 2; /* FIXME, why 2 ??? */
2020 return (ino_t)str_checksum(name);
2021
2022 }
2023
2024 /*
2025 * Routine to put basic stat info into a stat structure ... Used by stat and
2026 * fstat below.
2027 */
2028
2029 static int
2030 smbc_setup_stat(SMBCCTX *context,
2031 struct stat *st,
2032 char *fname,
2033 SMB_OFF_T size,
2034 int mode)
2035 {
2036
2037 st->st_mode = 0;
2038
2039 if (IS_DOS_DIR(mode)) {
2040 st->st_mode = SMBC_DIR_MODE;
2041 } else {
2042 st->st_mode = SMBC_FILE_MODE;
2043 }
2044
2045 if (IS_DOS_ARCHIVE(mode)) st->st_mode |= S_IXUSR;
2046 if (IS_DOS_SYSTEM(mode)) st->st_mode |= S_IXGRP;
2047 if (IS_DOS_HIDDEN(mode)) st->st_mode |= S_IXOTH;
2048 if (!IS_DOS_READONLY(mode)) st->st_mode |= S_IWUSR;
2049
2050 st->st_size = size;
2051 #ifdef HAVE_STAT_ST_BLKSIZE
2052 st->st_blksize = 512;
2053 #endif
2054 #ifdef HAVE_STAT_ST_BLOCKS
2055 st->st_blocks = (size+511)/512;
2056 #endif
2057 st->st_uid = getuid();
2058 st->st_gid = getgid();
2059
2060 if (IS_DOS_DIR(mode)) {
2061 st->st_nlink = 2;
2062 } else {
2063 st->st_nlink = 1;
2064 }
2065
2066 if (st->st_ino == 0) {
2067 st->st_ino = smbc_inode(context, fname);
2068 }
2069
2070 return True; /* FIXME: Is this needed ? */
2071
2072 }
2073
2074 /*
2075 * Routine to stat a file given a name
2076 */
2077
2078 static int
2079 smbc_stat_ctx(SMBCCTX *context,
2080 const char *fname,
2081 struct stat *st)
2082 {
2083 SMBCSRV *srv;
2084 fstring server;
2085 fstring share;
2086 fstring user;
2087 fstring password;
2088 fstring workgroup;
2089 pstring path;
2090 struct timespec write_time_ts;
2091 struct timespec access_time_ts;
2092 struct timespec change_time_ts;
2093 SMB_OFF_T size = 0;
2094 uint16 mode = 0;
2095 SMB_INO_T ino = 0;
2096
2097 if (!context || !context->internal ||
2098 !context->internal->_initialized) {
2099
2100 errno = EINVAL; /* Best I can think of ... */
2101 return -1;
2102
2103 }
2104
2105 if (!fname) {
2106
2107 errno = EINVAL;
2108 return -1;
2109
2110 }
2111
2112 DEBUG(4, ("smbc_stat(%s)\n", fname));
2113
2114 if (smbc_parse_path(context, fname,
2115 workgroup, sizeof(workgroup),
2116 server, sizeof(server),
2117 share, sizeof(share),
2118 path, sizeof(path),
2119 user, sizeof(user),
2120 password, sizeof(password),
2121 NULL, 0)) {
2122 errno = EINVAL;
2123 return -1;
2124 }
2125
2126 if (user[0] == (char)0) fstrcpy(user, context->user);
2127
2128 srv = smbc_server(context, True,
2129 server, share, workgroup, user, password);
2130
2131 if (!srv) {
2132 return -1; /* errno set by smbc_server */
2133 }
2134
2135 if (!smbc_getatr(context, srv, path, &mode, &size,
2136 NULL,
2137 &access_time_ts,
2138 &write_time_ts,
2139 &change_time_ts,
2140 &ino)) {
2141
2142 errno = smbc_errno(context, srv->cli);
2143 return -1;
2144
2145 }
2146
2147 st->st_ino = ino;
2148
2149 smbc_setup_stat(context, st, path, size, mode);
2150
2151 set_atimespec(st, access_time_ts);
2152 set_ctimespec(st, change_time_ts);
2153 set_mtimespec(st, write_time_ts);
2154 st->st_dev = srv->dev;
2155
2156 return 0;
2157
2158 }
2159
2160 /*
2161 * Routine to stat a file given an fd
2162 */
2163
2164 static int
2165 smbc_fstat_ctx(SMBCCTX *context,
2166 SMBCFILE *file,
2167 struct stat *st)
2168 {
2169 struct timespec change_time_ts;
2170 struct timespec access_time_ts;
2171 struct timespec write_time_ts;
2172 SMB_OFF_T size;
2173 uint16 mode;
2174 fstring server;
2175 fstring share;
2176 fstring user;
2177 fstring password;
2178 pstring path;
2179 pstring targetpath;
2180 struct cli_state *targetcli;
2181 SMB_INO_T ino = 0;
2182
2183 if (!context || !context->internal ||
2184 !context->internal->_initialized) {
2185
2186 errno = EINVAL;
2187 return -1;
2188
2189 }
2190
2191 if (!file || !DLIST_CONTAINS(context->internal->_files, file)) {
2192
2193 errno = EBADF;
2194 return -1;
2195
2196 }
2197
2198 if (!file->file) {
2199
2200 return context->fstatdir(context, file, st);
2201
2202 }
2203
2204 /*d_printf(">>>fstat: parsing %s\n", file->fname);*/
2205 if (smbc_parse_path(context, file->fname,
2206 NULL, 0,
2207 server, sizeof(server),
2208 share, sizeof(share),
2209 path, sizeof(path),
2210 user, sizeof(user),
2211 password, sizeof(password),
2212 NULL, 0)) {
2213 errno = EINVAL;
2214 return -1;
2215 }
2216
2217 /*d_printf(">>>fstat: resolving %s\n", path);*/
2218 if (!cli_resolve_path("", file->srv->cli, path,
2219 &targetcli, targetpath))
2220 {
2221 d_printf("Could not resolve %s\n", path);
2222 return -1;
2223 }
2224 /*d_printf(">>>fstat: resolved path as %s\n", targetpath);*/
2225
2226 if (!cli_qfileinfo(targetcli, file->cli_fd, &mode, &size,
2227 NULL,
2228 &access_time_ts,
2229 &write_time_ts,
2230 &change_time_ts,
2231 &ino)) {
2232
2233 time_t change_time, access_time, write_time;
2234
2235 if (!cli_getattrE(targetcli, file->cli_fd, &mode, &size,
2236 &change_time, &access_time, &write_time)) {
2237
2238 errno = EINVAL;
2239 return -1;
2240 }
2241
2242 change_time_ts = convert_time_t_to_timespec(change_time);
2243 access_time_ts = convert_time_t_to_timespec(access_time);
2244 write_time_ts = convert_time_t_to_timespec(write_time);
2245 }
2246
2247 st->st_ino = ino;
2248
2249 smbc_setup_stat(context, st, file->fname, size, mode);
2250
2251 set_atimespec(st, access_time_ts);
2252 set_ctimespec(st, change_time_ts);
2253 set_mtimespec(st, write_time_ts);
2254 st->st_dev = file->srv->dev;
2255
2256 return 0;
2257
2258 }
2259
2260 /*
2261 * Routine to open a directory
2262 * We accept the URL syntax explained in smbc_parse_path(), above.
2263 */
2264
2265 static void
2266 smbc_remove_dir(SMBCFILE *dir)
2267 {
2268 struct smbc_dir_list *d,*f;
2269
2270 d = dir->dir_list;
2271 while (d) {
2272
2273 f = d; d = d->next;
2274
2275 SAFE_FREE(f->dirent);
2276 SAFE_FREE(f);
2277
2278 }
2279
2280 dir->dir_list = dir->dir_end = dir->dir_next = NULL;
2281
2282 }
2283
2284 static int
2285 add_dirent(SMBCFILE *dir,
2286 const char *name,
2287 const char *comment,
2288 uint32 type)
2289 {
2290 struct smbc_dirent *dirent;
2291 int size;
2292 int name_length = (name == NULL ? 0 : strlen(name));
2293 int comment_len = (comment == NULL ? 0 : strlen(comment));
2294
2295 /*
2296 * Allocate space for the dirent, which must be increased by the
2297 * size of the name and the comment and 1 each for the null terminator.
2298 */
2299
2300 size = sizeof(struct smbc_dirent) + name_length + comment_len + 2;
2301
2302 dirent = (struct smbc_dirent *)SMB_MALLOC(size);
2303
2304 if (!dirent) {
2305
2306 dir->dir_error = ENOMEM;
2307 return -1;
2308
2309 }
2310
2311 ZERO_STRUCTP(dirent);
2312
2313 if (dir->dir_list == NULL) {
2314
2315 dir->dir_list = SMB_MALLOC_P(struct smbc_dir_list);
2316 if (!dir->dir_list) {
2317
2318 SAFE_FREE(dirent);
2319 dir->dir_error = ENOMEM;
2320 return -1;
2321
2322 }
2323 ZERO_STRUCTP(dir->dir_list);
2324
2325 dir->dir_end = dir->dir_next = dir->dir_list;
2326 }
2327 else {
2328
2329 dir->dir_end->next = SMB_MALLOC_P(struct smbc_dir_list);
2330
2331 if (!dir->dir_end->next) {
2332
2333 SAFE_FREE(dirent);
2334 dir->dir_error = ENOMEM;
2335 return -1;
2336
2337 }
2338 ZERO_STRUCTP(dir->dir_end->next);
2339
2340 dir->dir_end = dir->dir_end->next;
2341 }
2342
2343 dir->dir_end->next = NULL;
2344 dir->dir_end->dirent = dirent;
2345
2346 dirent->smbc_type = type;
2347 dirent->namelen = name_length;
2348 dirent->commentlen = comment_len;
2349 dirent->dirlen = size;
2350
2351 /*
2352 * dirent->namelen + 1 includes the null (no null termination needed)
2353 * Ditto for dirent->commentlen.
2354 * The space for the two null bytes was allocated.
2355 */
2356 strncpy(dirent->name, (name?name:""), dirent->namelen + 1);
2357 dirent->comment = (char *)(&dirent->name + dirent->namelen + 1);
2358 strncpy(dirent->comment, (comment?comment:""), dirent->commentlen + 1);
2359
2360 return 0;
2361
2362 }
2363
2364 static void
2365 list_unique_wg_fn(const char *name,
2366 uint32 type,
2367 const char *comment,
2368 void *state)
2369 {
2370 SMBCFILE *dir = (SMBCFILE *)state;
2371 struct smbc_dir_list *dir_list;
2372 struct smbc_dirent *dirent;
2373 int dirent_type;
2374 int do_remove = 0;
2375
2376 dirent_type = dir->dir_type;
2377
2378 if (add_dirent(dir, name, comment, dirent_type) < 0) {
2379
2380 /* An error occurred, what do we do? */
2381 /* FIXME: Add some code here */
2382 }
2383
2384 /* Point to the one just added */
2385 dirent = dir->dir_end->dirent;
2386
2387 /* See if this was a duplicate */
2388 for (dir_list = dir->dir_list;
2389 dir_list != dir->dir_end;
2390 dir_list = dir_list->next) {
2391 if (! do_remove &&
2392 strcmp(dir_list->dirent->name, dirent->name) == 0) {
2393 /* Duplicate. End end of list need to be removed. */
2394 do_remove = 1;
2395 }
2396
2397 if (do_remove && dir_list->next == dir->dir_end) {
2398 /* Found the end of the list. Remove it. */
2399 dir->dir_end = dir_list;
2400 free(dir_list->next);
2401 free(dirent);
2402 dir_list->next = NULL;
2403 break;
2404 }
2405 }
2406 }
2407
2408 static void
2409 list_fn(const char *name,
2410 uint32 type,
2411 const char *comment,
2412 void *state)
2413 {
2414 SMBCFILE *dir = (SMBCFILE *)state;
2415 int dirent_type;
2416
2417 /*
2418 * We need to process the type a little ...
2419 *
2420 * Disk share = 0x00000000
2421 * Print share = 0x00000001
2422 * Comms share = 0x00000002 (obsolete?)
2423 * IPC$ share = 0x00000003
2424 *
2425 * administrative shares:
2426 * ADMIN$, IPC$, C$, D$, E$ ... are type |= 0x80000000
2427 */
2428
2429 if (dir->dir_type == SMBC_FILE_SHARE) {
2430
2431 switch (type) {
2432 case 0 | 0x80000000:
2433 case 0:
2434 dirent_type = SMBC_FILE_SHARE;
2435 break;
2436
2437 case 1:
2438 dirent_type = SMBC_PRINTER_SHARE;
2439 break;
2440
2441 case 2:
2442 dirent_type = SMBC_COMMS_SHARE;
2443 break;
2444
2445 case 3 | 0x80000000:
2446 case 3:
2447 dirent_type = SMBC_IPC_SHARE;
2448 break;
2449
2450 default:
2451 dirent_type = SMBC_FILE_SHARE; /* FIXME, error? */
2452 break;
2453 }
2454 }
2455 else {
2456 dirent_type = dir->dir_type;
2457 }
2458
2459 if (add_dirent(dir, name, comment, dirent_type) < 0) {
2460
2461 /* An error occurred, what do we do? */
2462 /* FIXME: Add some code here */
2463
2464 }
2465 }
2466
2467 static void
2468 dir_list_fn(const char *mnt,
2469 file_info *finfo,
2470 const char *mask,
2471 void *state)
2472 {
2473
2474 if (add_dirent((SMBCFILE *)state, finfo->name, "",
2475 (finfo->mode&aDIR?SMBC_DIR:SMBC_FILE)) < 0) {
2476
2477 /* Handle an error ... */
2478
2479 /* FIXME: Add some code ... */
2480
2481 }
2482
2483 }
2484
2485 static int
2486 net_share_enum_rpc(struct cli_state *cli,
2487 void (*fn)(const char *name,
2488 uint32 type,
2489 const char *comment,
2490 void *state),
2491 void *state)
2492 {
2493 int i;
2494 NTSTATUS result;
2495 uint32 enum_hnd;
2496 uint32 info_level = 1;
2497 uint32 preferred_len = 0xffffffff;
2498 struct srvsvc_NetShareCtr1 ctr1;
2499 union srvsvc_NetShareCtr ctr;
2500 void *mem_ctx;
2501 struct rpc_pipe_client *pipe_hnd;
2502 uint32 numentries;
2503 NTSTATUS nt_status;
2504
2505 /* Open the server service pipe */
2506 pipe_hnd = cli_rpc_pipe_open_noauth(cli, PI_SRVSVC, &nt_status);
2507 if (!pipe_hnd) {
2508 DEBUG(1, ("net_share_enum_rpc pipe open fail!\n"));
2509 return -1;
2510 }
2511
2512 /* Allocate a context for parsing and for the entries in "ctr" */
2513 mem_ctx = talloc_init("libsmbclient: net_share_enum_rpc");
2514 if (mem_ctx == NULL) {
2515 DEBUG(0, ("out of memory for net_share_enum_rpc!\n"));
2516 cli_rpc_pipe_close(pipe_hnd);
2517 return -1;
2518 }
2519
2520 ZERO_STRUCT(ctr1);
2521 ctr.ctr1 = &ctr1;
2522
2523 /* Issue the NetShareEnum RPC call and retrieve the response */
2524 enum_hnd = 0;
2525 result = rpccli_srvsvc_NetShareEnum(pipe_hnd, mem_ctx, NULL,
2526 &info_level, &ctr, preferred_len,
2527 &numentries, &enum_hnd);
2528
2529 /* Was it successful? */
2530 if (!NT_STATUS_IS_OK(result) || numentries == 0) {
2531 /* Nope. Go clean up. */
2532 goto done;
2533 }
2534
2535 /* For each returned entry... */
2536 for (i = 0; i < numentries; i++) {
2537
2538 /* Add this share to the list */
2539 (*fn)(ctr.ctr1->array[i].name,
2540 ctr.ctr1->array[i].type,
2541 ctr.ctr1->array[i].comment, state);
2542 }
2543
2544 done:
2545 /* Close the server service pipe */
2546 cli_rpc_pipe_close(pipe_hnd);
2547
2548 /* Free all memory which was allocated for this request */
2549 TALLOC_FREE(mem_ctx);
2550
2551 /* Tell 'em if it worked */
2552 return NT_STATUS_IS_OK(result) ? 0 : -1;
2553 }
2554
2555
2556
2557 static SMBCFILE *
2558 smbc_opendir_ctx(SMBCCTX *context,
2559 const char *fname)
2560 {
2561 int saved_errno;
2562 fstring server, share, user, password, options;
2563 pstring workgroup;
2564 pstring path;
2565 uint16 mode;
2566 char *p;
2567 SMBCSRV *srv = NULL;
2568 SMBCFILE *dir = NULL;
2569 struct _smbc_callbacks *cb;
2570 struct in_addr rem_ip;
2571
2572 if (!context || !context->internal ||
2573 !context->internal->_initialized) {
2574 DEBUG(4, ("no valid context\n"));
2575 errno = EINVAL + 8192;
2576 return NULL;
2577
2578 }
2579
2580 if (!fname) {
2581 DEBUG(4, ("no valid fname\n"));
2582 errno = EINVAL + 8193;
2583 return NULL;
2584 }
2585
2586 if (smbc_parse_path(context, fname,
2587 workgroup, sizeof(workgroup),
2588 server, sizeof(server),
2589 share, sizeof(share),
2590 path, sizeof(path),
2591 user, sizeof(user),
2592 password, sizeof(password),
2593 options, sizeof(options))) {
2594 DEBUG(4, ("no valid path\n"));
2595 errno = EINVAL + 8194;
2596 return NULL;
2597 }
2598
2599 DEBUG(4, ("parsed path: fname='%s' server='%s' share='%s' "
2600 "path='%s' options='%s'\n",
2601 fname, server, share, path, options));
2602
2603 /* Ensure the options are valid */
2604 if (smbc_check_options(server, share, path, options)) {
2605 DEBUG(4, ("unacceptable options (%s)\n", options));
2606 errno = EINVAL + 8195;
2607 return NULL;
2608 }
2609
2610 if (user[0] == (char)0) fstrcpy(user, context->user);
2611
2612 dir = SMB_MALLOC_P(SMBCFILE);
2613
2614 if (!dir) {
2615
2616 errno = ENOMEM;
2617 return NULL;
2618
2619 }
2620
2621 ZERO_STRUCTP(dir);
2622
2623 dir->cli_fd = 0;
2624 dir->fname = SMB_STRDUP(fname);
2625 dir->srv = NULL;
2626 dir->offset = 0;
2627 dir->file = False;
2628 dir->dir_list = dir->dir_next = dir->dir_end = NULL;
2629
2630 if (server[0] == (char)0) {
2631
2632 int i;
2633 int count;
2634 int max_lmb_count;
2635 struct ip_service *ip_list;
2636 struct ip_service server_addr;
2637 struct user_auth_info u_info;
2638 struct cli_state *cli;
2639
2640 if (share[0] != (char)0 || path[0] != (char)0) {
2641
2642 errno = EINVAL + 8196;
2643 if (dir) {
2644 SAFE_FREE(dir->fname);
2645 SAFE_FREE(dir);
2646 }
2647 return NULL;
2648 }
2649
2650 /* Determine how many local master browsers to query */
2651 max_lmb_count = (context->options.browse_max_lmb_count == 0
2652 ? INT_MAX
2653 : context->options.browse_max_lmb_count);
2654
2655 pstrcpy(u_info.username, user);
2656 pstrcpy(u_info.password, password);
2657
2658 /*
2659 * We have server and share and path empty but options
2660 * requesting that we scan all master browsers for their list
2661 * of workgroups/domains. This implies that we must first try
2662 * broadcast queries to find all master browsers, and if that
2663 * doesn't work, then try our other methods which return only
2664 * a single master browser.
2665 */
2666
2667 ip_list = NULL;
2668 if (!name_resolve_bcast(MSBROWSE, 1, &ip_list, &count)) {
2669
2670 SAFE_FREE(ip_list);
2671
2672 if (!find_master_ip(workgroup, &server_addr.ip)) {
2673
2674 if (dir) {
2675 SAFE_FREE(dir->fname);
2676 SAFE_FREE(dir);
2677 }
2678 errno = ENOENT;
2679 return NULL;
2680 }
2681
2682 ip_list = &server_addr;
2683 count = 1;
2684 }
2685
2686 for (i = 0; i < count && i < max_lmb_count; i++) {
2687 DEBUG(99, ("Found master browser %d of %d: %s\n",
2688 i+1, MAX(count, max_lmb_count),
2689 inet_ntoa(ip_list[i].ip)));
2690
2691 cli = get_ipc_connect_master_ip(&ip_list[i],
2692 workgroup, &u_info);
2693 /* cli == NULL is the master browser refused to talk or
2694 could not be found */
2695 if ( !cli )
2696 continue;
2697
2698 fstrcpy(server, cli->desthost);
2699 cli_shutdown(cli);
2700
2701 DEBUG(4, ("using workgroup %s %s\n",
2702 workgroup, server));
2703
2704 /*
2705 * For each returned master browser IP address, get a
2706 * connection to IPC$ on the server if we do not
2707 * already have one, and determine the
2708 * workgroups/domains that it knows about.
2709 */
2710
2711 srv = smbc_server(context, True, server, "IPC$",
2712 workgroup, user, password);
2713 if (!srv) {
2714 continue;
2715 }
2716
2717 dir->srv = srv;
2718 dir->dir_type = SMBC_WORKGROUP;
2719
2720 /* Now, list the stuff ... */
2721
2722 if (!cli_NetServerEnum(srv->cli,
2723 workgroup,
2724 SV_TYPE_DOMAIN_ENUM,
2725 list_unique_wg_fn,
2726 (void *)dir)) {
2727 continue;
2728 }
2729 }
2730
2731 SAFE_FREE(ip_list);
2732 } else {
2733 /*
2734 * Server not an empty string ... Check the rest and see what
2735 * gives
2736 */
2737 if (*share == '\0') {
2738 if (*path != '\0') {
2739
2740 /* Should not have empty share with path */
2741 errno = EINVAL + 8197;
2742 if (dir) {
2743 SAFE_FREE(dir->fname);
2744 SAFE_FREE(dir);
2745 }
2746 return NULL;
2747
2748 }
2749
2750 /*
2751 * We don't know if <server> is really a server name
2752 * or is a workgroup/domain name. If we already have
2753 * a server structure for it, we'll use it.
2754 * Otherwise, check to see if <server><1D>,
2755 * <server><1B>, or <server><20> translates. We check
2756 * to see if <server> is an IP address first.
2757 */
2758
2759 /*
2760 * See if we have an existing server. Do not
2761 * establish a connection if one does not already
2762 * exist.
2763 */
2764 srv = smbc_server(context, False, server, "IPC$",
2765 workgroup, user, password);
2766
2767 /*
2768 * If no existing server and not an IP addr, look for
2769 * LMB or DMB
2770 */
2771 if (!srv &&
2772 !is_ipaddress(server) &&
2773 (resolve_name(server, &rem_ip, 0x1d) || /* LMB */
2774 resolve_name(server, &rem_ip, 0x1b) )) { /* DMB */
2775
2776 fstring buserver;
2777
2778 dir->dir_type = SMBC_SERVER;
2779
2780 /*
2781 * Get the backup list ...
2782 */
2783 if (!name_status_find(server, 0, 0,
2784 rem_ip, buserver)) {
2785
2786 DEBUG(0, ("Could not get name of "
2787 "local/domain master browser "
2788 "for server %s\n", server));
2789 if (dir) {
2790 SAFE_FREE(dir->fname);
2791 SAFE_FREE(dir);
2792 }
2793 errno = EPERM;
2794 return NULL;
2795
2796 }
2797
2798 /*
2799 * Get a connection to IPC$ on the server if
2800 * we do not already have one
2801 */
2802 srv = smbc_server(context, True,
2803 buserver, "IPC$",
2804 workgroup, user, password);
2805 if (!srv) {
2806 DEBUG(0, ("got no contact to IPC$\n"));
2807 if (dir) {
2808 SAFE_FREE(dir->fname);
2809 SAFE_FREE(dir);
2810 }
2811 return NULL;
2812
2813 }
2814
2815 dir->srv = srv;
2816
2817 /* Now, list the servers ... */
2818 if (!cli_NetServerEnum(srv->cli, server,
2819 0x0000FFFE, list_fn,
2820 (void *)dir)) {
2821
2822 if (dir) {
2823 SAFE_FREE(dir->fname);
2824 SAFE_FREE(dir);
2825 }
2826 return NULL;
2827 }
2828 } else if (srv ||
2829 (resolve_name(server, &rem_ip, 0x20))) {
2830
2831 /* If we hadn't found the server, get one now */
2832 if (!srv) {
2833 srv = smbc_server(context, True,
2834 server, "IPC$",
2835 workgroup,
2836 user, password);
2837 }
2838
2839 if (!srv) {
2840 if (dir) {
2841 SAFE_FREE(dir->fname);
2842 SAFE_FREE(dir);
2843 }
2844 return NULL;
2845
2846 }
2847
2848 dir->dir_type = SMBC_FILE_SHARE;
2849 dir->srv = srv;
2850
2851 /* List the shares ... */
2852
2853 if (net_share_enum_rpc(
2854 srv->cli,
2855 list_fn,
2856 (void *) dir) < 0 &&
2857 cli_RNetShareEnum(
2858 srv->cli,
2859 list_fn,
2860 (void *)dir) < 0) {
2861
2862 errno = cli_errno(srv->cli);
2863 if (dir) {
2864 SAFE_FREE(dir->fname);
2865 SAFE_FREE(dir);
2866 }
2867 return NULL;
2868
2869 }
2870 } else {
2871 /* Neither the workgroup nor server exists */
2872 errno = ECONNREFUSED;
2873 if (dir) {
2874 SAFE_FREE(dir->fname);
2875 SAFE_FREE(dir);
2876 }
2877 return NULL;
2878 }
2879
2880 }
2881 else {
2882 /*
2883 * The server and share are specified ... work from
2884 * there ...
2885 */
2886 pstring targetpath;
2887 struct cli_state *targetcli;
2888
2889 /* We connect to the server and list the directory */
2890 dir->dir_type = SMBC_FILE_SHARE;
2891
2892 srv = smbc_server(context, True, server, share,
2893 workgroup, user, password);
2894
2895 if (!srv) {
2896
2897 if (dir) {
2898 SAFE_FREE(dir->fname);
2899 SAFE_FREE(dir);
2900 }
2901 return NULL;
2902
2903 }
2904
2905 dir->srv = srv;
2906
2907 /* Now, list the files ... */
2908
2909 p = path + strlen(path);
2910 pstrcat(path, "\\*");
2911
2912 if (!cli_resolve_path("", srv->cli, path,
2913 &targetcli, targetpath))
2914 {
2915 d_printf("Could not resolve %s\n", path);
2916 if (dir) {
2917 SAFE_FREE(dir->fname);
2918 SAFE_FREE(dir);
2919 }
2920 return NULL;
2921 }
2922
2923 if (cli_list(targetcli, targetpath,
2924 aDIR | aSYSTEM | aHIDDEN,
2925 dir_list_fn, (void *)dir) < 0) {
2926
2927 if (dir) {
2928 SAFE_FREE(dir->fname);
2929 SAFE_FREE(dir);
2930 }
2931 saved_errno = smbc_errno(context, targetcli);
2932
2933 if (saved_errno == EINVAL) {
2934 /*
2935 * See if they asked to opendir something
2936 * other than a directory. If so, the
2937 * converted error value we got would have
2938 * been EINVAL rather than ENOTDIR.
2939 */
2940 *p = '\0'; /* restore original path */
2941
2942 if (smbc_getatr(context, srv, path,
2943 &mode, NULL,
2944 NULL, NULL, NULL, NULL,
2945 NULL) &&
2946 ! IS_DOS_DIR(mode)) {
2947
2948 /* It is. Correct the error value */
2949 saved_errno = ENOTDIR;
2950 }
2951 }
2952
2953 /*
2954 * If there was an error and the server is no
2955 * good any more...
2956 */
2957 cb = &context->callbacks;
2958 if (cli_is_error(targetcli) &&
2959 cb->check_server_fn(context, srv)) {
2960
2961 /* ... then remove it. */
2962 if (cb->remove_unused_server_fn(context,
2963 srv)) {
2964 /*
2965 * We could not remove the server
2966 * completely, remove it from the
2967 * cache so we will not get it
2968 * again. It will be removed when the
2969 * last file/dir is closed.
2970 */
2971 cb->remove_cached_srv_fn(context, srv);
2972 }
2973 }
2974
2975 errno = saved_errno;
2976 return NULL;
2977 }
2978 }
2979
2980 }
2981
2982 DLIST_ADD(context->internal->_files, dir);
2983 return dir;
2984
2985 }
2986
2987 /*
2988 * Routine to close a directory
2989 */
2990
2991 static int
2992 smbc_closedir_ctx(SMBCCTX *context,
2993 SMBCFILE *dir)
2994 {
2995
2996 if (!context || !context->internal ||
2997 !context->internal->_initialized) {
2998
2999 errno = EINVAL;
3000 return -1;
3001
3002 }
3003
3004 if (!dir || !DLIST_CONTAINS(context->internal->_files, dir)) {
3005
3006 errno = EBADF;
3007 return -1;
3008
3009 }
3010
3011 smbc_remove_dir(dir); /* Clean it up */
3012
3013 DLIST_REMOVE(context->internal->_files, dir);
3014
3015 if (dir) {
3016
3017 SAFE_FREE(dir->fname);
3018 SAFE_FREE(dir); /* Free the space too */
3019 }
3020
3021 return 0;
3022
3023 }
3024
3025 static void
3026 smbc_readdir_internal(SMBCCTX * context,
3027 struct smbc_dirent *dest,
3028 struct smbc_dirent *src,
3029 int max_namebuf_len)
3030 {
3031 if (context->options.urlencode_readdir_entries) {
3032
3033 /* url-encode the name. get back remaining buffer space */
3034 max_namebuf_len =
3035 smbc_urlencode(dest->name, src->name, max_namebuf_len);
3036
3037 /* We now know the name length */
3038 dest->namelen = strlen(dest->name);
3039
3040 /* Save the pointer to the beginning of the comment */
3041 dest->comment = dest->name + dest->namelen + 1;
3042
3043 /* Copy the comment */
3044 strncpy(dest->comment, src->comment, max_namebuf_len - 1);
3045 dest->comment[max_namebuf_len - 1] = '\0';
3046
3047 /* Save other fields */
3048 dest->smbc_type = src->smbc_type;
3049 dest->commentlen = strlen(dest->comment);
3050 dest->dirlen = ((dest->comment + dest->commentlen + 1) -
3051 (char *) dest);
3052 } else {
3053
3054 /* No encoding. Just copy the entry as is. */
3055 memcpy(dest, src, src->dirlen);
3056 dest->comment = (char *)(&dest->name + src->namelen + 1);
3057 }
3058
3059 }
3060
3061 /*
3062 * Routine to get a directory entry
3063 */
3064
3065 struct smbc_dirent *
3066 smbc_readdir_ctx(SMBCCTX *context,
3067 SMBCFILE *dir)
3068 {
3069 int maxlen;
3070 struct smbc_dirent *dirp, *dirent;
3071
3072 /* Check that all is ok first ... */
3073
3074 if (!context || !context->internal ||
3075 !context->internal->_initialized) {
3076
3077 errno = EINVAL;
3078 DEBUG(0, ("Invalid context in smbc_readdir_ctx()\n"));
3079 return NULL;
3080
3081 }
3082
3083 if (!dir || !DLIST_CONTAINS(context->internal->_files, dir)) {
3084
3085 errno = EBADF;
3086 DEBUG(0, ("Invalid dir in smbc_readdir_ctx()\n"));
3087 return NULL;
3088
3089 }
3090
3091 if (dir->file != False) { /* FIXME, should be dir, perhaps */
3092
3093 errno = ENOTDIR;
3094 DEBUG(0, ("Found file vs directory in smbc_readdir_ctx()\n"));
3095 return NULL;
3096
3097 }
3098
3099 if (!dir->dir_next) {
3100 return NULL;
3101 }
3102
3103 dirent = dir->dir_next->dirent;
3104 if (!dirent) {
3105
3106 errno = ENOENT;
3107 return NULL;
3108
3109 }
3110
3111 dirp = (struct smbc_dirent *)context->internal->_dirent;
3112 maxlen = (sizeof(context->internal->_dirent) -
3113 sizeof(struct smbc_dirent));
3114
3115 smbc_readdir_internal(context, dirp, dirent, maxlen);
3116
3117 dir->dir_next = dir->dir_next->next;
3118
3119 return dirp;
3120 }
3121
3122 /*
3123 * Routine to get directory entries
3124 */
3125
3126 static int
3127 smbc_getdents_ctx(SMBCCTX *context,
3128 SMBCFILE *dir,
3129 struct smbc_dirent *dirp,
3130 int count)
3131 {
3132 int rem = count;
3133 int reqd;
3134 int maxlen;
3135 char *ndir = (char *)dirp;
3136 struct smbc_dir_list *dirlist;
3137
3138 /* Check that all is ok first ... */
3139
3140 if (!context || !context->internal ||
3141 !context->internal->_initialized) {
3142
3143 errno = EINVAL;
3144 return -1;
3145
3146 }
3147
3148 if (!dir || !DLIST_CONTAINS(context->internal->_files, dir)) {
3149
3150 errno = EBADF;
3151 return -1;
3152
3153 }
3154
3155 if (dir->file != False) { /* FIXME, should be dir, perhaps */
3156
3157 errno = ENOTDIR;
3158 return -1;
3159
3160 }
3161
3162 /*
3163 * Now, retrieve the number of entries that will fit in what was passed
3164 * We have to figure out if the info is in the list, or we need to
3165 * send a request to the server to get the info.
3166 */
3167
3168 while ((dirlist = dir->dir_next)) {
3169 struct smbc_dirent *dirent;
3170
3171 if (!dirlist->dirent) {
3172
3173 errno = ENOENT; /* Bad error */
3174 return -1;
3175
3176 }
3177
3178 /* Do urlencoding of next entry, if so selected */
3179 dirent = (struct smbc_dirent *)context->internal->_dirent;
3180 maxlen = (sizeof(context->internal->_dirent) -
3181 sizeof(struct smbc_dirent));
3182 smbc_readdir_internal(context, dirent, dirlist->dirent, maxlen);
3183
3184 reqd = dirent->dirlen;
3185
3186 if (rem < reqd) {
3187
3188 if (rem < count) { /* We managed to copy something */
3189
3190 errno = 0;
3191 return count - rem;
3192
3193 }
3194 else { /* Nothing copied ... */
3195
3196 errno = EINVAL; /* Not enough space ... */
3197 return -1;
3198
3199 }
3200
3201 }
3202
3203 memcpy(ndir, dirent, reqd); /* Copy the data in ... */
3204
3205 ((struct smbc_dirent *)ndir)->comment =
3206 (char *)(&((struct smbc_dirent *)ndir)->name +
3207 dirent->namelen +
3208 1);
3209
3210 ndir += reqd;
3211
3212 rem -= reqd;
3213
3214 dir->dir_next = dirlist = dirlist -> next;
3215 }
3216
3217 if (rem == count)
3218 return 0;
3219 else
3220 return count - rem;
3221
3222 }
3223
3224 /*
3225 * Routine to create a directory ...
3226 */
3227
3228 static int
3229 smbc_mkdir_ctx(SMBCCTX *context,
3230 const char *fname,
3231 mode_t mode)
3232 {
3233 SMBCSRV *srv;
3234 fstring server;
3235 fstring share;
3236 fstring user;
3237 fstring password;
3238 fstring workgroup;
3239 pstring path, targetpath;
3240 struct cli_state *targetcli;
3241
3242 if (!context || !context->internal ||
3243 !context->internal->_initialized) {
3244
3245 errno = EINVAL;
3246 return -1;
3247
3248 }
3249
3250 if (!fname) {
3251
3252 errno = EINVAL;
3253 return -1;
3254
3255 }
3256
3257 DEBUG(4, ("smbc_mkdir(%s)\n", fname));
3258
3259 if (smbc_parse_path(context, fname,
3260 workgroup, sizeof(workgroup),
3261 server, sizeof(server),
3262 share, sizeof(share),
3263 path, sizeof(path),
3264 user, sizeof(user),
3265 password, sizeof(password),
3266 NULL, 0)) {
3267 errno = EINVAL;
3268 return -1;
3269 }
3270
3271 if (user[0] == (char)0) fstrcpy(user, context->user);
3272
3273 srv = smbc_server(context, True,
3274 server, share, workgroup, user, password);
3275
3276 if (!srv) {
3277
3278 return -1; /* errno set by smbc_server */
3279
3280 }
3281
3282 /*d_printf(">>>mkdir: resolving %s\n", path);*/
3283 if (!cli_resolve_path( "", srv->cli, path, &targetcli, targetpath))
3284 {
3285 d_printf("Could not resolve %s\n", path);
3286 return -1;
3287 }
3288 /*d_printf(">>>mkdir: resolved path as %s\n", targetpath);*/
3289
3290 if (!cli_mkdir(targetcli, targetpath)) {
3291
3292 errno = smbc_errno(context, targetcli);
3293 return -1;
3294
3295 }
3296
3297 return 0;
3298
3299 }
3300
3301 /*
3302 * Our list function simply checks to see if a directory is not empty
3303 */
3304
3305 static int smbc_rmdir_dirempty = True;
3306
3307 static void
3308 rmdir_list_fn(const char *mnt,
3309 file_info *finfo,
3310 const char *mask,
3311 void *state)
3312 {
3313 if (strncmp(finfo->name, ".", 1) != 0 &&
3314 strncmp(finfo->name, "..", 2) != 0) {
3315
3316 smbc_rmdir_dirempty = False;
3317 }
3318 }
3319
3320 /*
3321 * Routine to remove a directory
3322 */
3323
3324 static int
3325 smbc_rmdir_ctx(SMBCCTX *context,
3326 const char *fname)
3327 {
3328 SMBCSRV *srv;
3329 fstring server;
3330 fstring share;
3331 fstring user;
3332 fstring password;
3333 fstring workgroup;
3334 pstring path;
3335 pstring targetpath;
3336 struct cli_state *targetcli;
3337
3338 if (!context || !context->internal ||
3339 !context->internal->_initialized) {
3340
3341 errno = EINVAL;
3342 return -1;
3343
3344 }
3345
3346 if (!fname) {
3347
3348 errno = EINVAL;
3349 return -1;
3350
3351 }
3352
3353 DEBUG(4, ("smbc_rmdir(%s)\n", fname));
3354
3355 if (smbc_parse_path(context, fname,
3356 workgroup, sizeof(workgroup),
3357 server, sizeof(server),
3358 share, sizeof(share),
3359 path, sizeof(path),
3360 user, sizeof(user),
3361 password, sizeof(password),
3362 NULL, 0))
3363 {
3364 errno = EINVAL;
3365 return -1;
3366 }
3367
3368 if (user[0] == (char)0) fstrcpy(user, context->user);
3369
3370 srv = smbc_server(context, True,
3371 server, share, workgroup, user, password);
3372
3373 if (!srv) {
3374
3375 return -1; /* errno set by smbc_server */
3376
3377 }
3378
3379 /*d_printf(">>>rmdir: resolving %s\n", path);*/
3380 if (!cli_resolve_path( "", srv->cli, path, &targetcli, targetpath))
3381 {
3382 d_printf("Could not resolve %s\n", path);
3383 return -1;
3384 }
3385 /*d_printf(">>>rmdir: resolved path as %s\n", targetpath);*/
3386
3387
3388 if (!cli_rmdir(targetcli, targetpath)) {
3389
3390 errno = smbc_errno(context, targetcli);
3391
3392 if (errno == EACCES) { /* Check if the dir empty or not */
3393
3394 /* Local storage to avoid buffer overflows */
3395 pstring lpath;
3396
3397 smbc_rmdir_dirempty = True; /* Make this so ... */
3398
3399 pstrcpy(lpath, targetpath);
3400 pstrcat(lpath, "\\*");
3401
3402 if (cli_list(targetcli, lpath,
3403 aDIR | aSYSTEM | aHIDDEN,
3404 rmdir_list_fn, NULL) < 0) {
3405
3406 /* Fix errno to ignore latest error ... */
3407 DEBUG(5, ("smbc_rmdir: "
3408 "cli_list returned an error: %d\n",
3409 smbc_errno(context, targetcli)));
3410 errno = EACCES;
3411
3412 }
3413
3414 if (smbc_rmdir_dirempty)
3415 errno = EACCES;
3416 else
3417 errno = ENOTEMPTY;
3418
3419 }
3420
3421 return -1;
3422
3423 }
3424
3425 return 0;
3426
3427 }
3428
3429 /*
3430 * Routine to return the current directory position
3431 */
3432
3433 static off_t
3434 smbc_telldir_ctx(SMBCCTX *context,
3435 SMBCFILE *dir)
3436 {
3437 if (!context || !context->internal ||
3438 !context->internal->_initialized) {
3439
3440 errno = EINVAL;
3441 return -1;
3442
3443 }
3444
3445 if (!dir || !DLIST_CONTAINS(context->internal->_files, dir)) {
3446
3447 errno = EBADF;
3448 return -1;
3449
3450 }
3451
3452 if (dir->file != False) { /* FIXME, should be dir, perhaps */
3453
3454 errno = ENOTDIR;
3455 return -1;
3456
3457 }
3458
3459 /* See if we're already at the end. */
3460 if (dir->dir_next == NULL) {
3461 /* We are. */
3462 return -1;
3463 }
3464
3465 /*
3466 * We return the pointer here as the offset
3467 */
3468 return (off_t)(long)dir->dir_next->dirent;
3469 }
3470
3471 /*
3472 * A routine to run down the list and see if the entry is OK
3473 */
3474
3475 struct smbc_dir_list *
3476 smbc_check_dir_ent(struct smbc_dir_list *list,
3477 struct smbc_dirent *dirent)
3478 {
3479
3480 /* Run down the list looking for what we want */
3481
3482 if (dirent) {
3483
3484 struct smbc_dir_list *tmp = list;
3485
3486 while (tmp) {
3487
3488 if (tmp->dirent == dirent)
3489 return tmp;
3490
3491 tmp = tmp->next;
3492
3493 }
3494
3495 }
3496
3497 return NULL; /* Not found, or an error */
3498
3499 }
3500
3501
3502 /*
3503 * Routine to seek on a directory
3504 */
3505
3506 static int
3507 smbc_lseekdir_ctx(SMBCCTX *context,
3508 SMBCFILE *dir,
3509 off_t offset)
3510 {
3511 long int l_offset = offset; /* Handle problems of size */
3512 struct smbc_dirent *dirent = (struct smbc_dirent *)l_offset;
3513 struct smbc_dir_list *list_ent = (struct smbc_dir_list *)NULL;
3514
3515 if (!context || !context->internal ||
3516 !context->internal->_initialized) {
3517
3518 errno = EINVAL;
3519 return -1;
3520
3521 }
3522
3523 if (dir->file != False) { /* FIXME, should be dir, perhaps */
3524
3525 errno = ENOTDIR;
3526 return -1;
3527
3528 }
3529
3530 /* Now, check what we were passed and see if it is OK ... */
3531
3532 if (dirent == NULL) { /* Seek to the begining of the list */
3533
3534 dir->dir_next = dir->dir_list;
3535 return 0;
3536
3537 }
3538
3539 /* Now, run down the list and make sure that the entry is OK */
3540 /* This may need to be changed if we change the format of the list */
3541
3542 if ((list_ent = smbc_check_dir_ent(dir->dir_list, dirent)) == NULL) {
3543
3544 errno = EINVAL; /* Bad entry */
3545 return -1;
3546
3547 }
3548
3549 dir->dir_next = list_ent;
3550
3551 return 0;
3552
3553 }
3554
3555 /*
3556 * Routine to fstat a dir
3557 */
3558
3559 static int
3560 smbc_fstatdir_ctx(SMBCCTX *context,
3561 SMBCFILE *dir,
3562 struct stat *st)
3563 {
3564
3565 if (!context || !context->internal ||
3566 !context->internal->_initialized) {
3567
3568 errno = EINVAL;
3569 return -1;
3570
3571 }
3572
3573 /* No code yet ... */
3574
3575 return 0;
3576
3577 }
3578
3579 static int
3580 smbc_chmod_ctx(SMBCCTX *context,
3581 const char *fname,
3582 mode_t newmode)
3583 {
3584 SMBCSRV *srv;
3585 fstring server;
3586 fstring share;
3587 fstring user;
3588 fstring password;
3589 fstring workgroup;
3590 pstring path;
3591 uint16 mode;
3592
3593 if (!context || !context->internal ||
3594 !context->internal->_initialized) {
3595
3596 errno = EINVAL; /* Best I can think of ... */
3597 return -1;
3598
3599 }
3600
3601 if (!fname) {
3602
3603 errno = EINVAL;
3604 return -1;
3605
3606 }
3607
3608 DEBUG(4, ("smbc_chmod(%s, 0%3o)\n", fname, newmode));
3609
3610 if (smbc_parse_path(context, fname,
3611 workgroup, sizeof(workgroup),
3612 server, sizeof(server),
3613 share, sizeof(share),
3614 path, sizeof(path),
3615 user, sizeof(user),
3616 password, sizeof(password),
3617 NULL, 0)) {
3618 errno = EINVAL;
3619 return -1;
3620 }
3621
3622 if (user[0] == (char)0) fstrcpy(user, context->user);
3623
3624 srv = smbc_server(context, True,
3625 server, share, workgroup, user, password);
3626
3627 if (!srv) {
3628 return -1; /* errno set by smbc_server */
3629 }
3630
3631 mode = 0;
3632
3633 if (!(newmode & (S_IWUSR | S_IWGRP | S_IWOTH))) mode |= aRONLY;
3634 if ((newmode & S_IXUSR) && lp_map_archive(-1)) mode |= aARCH;
3635 if ((newmode & S_IXGRP) && lp_map_system(-1)) mode |= aSYSTEM;
3636 if ((newmode & S_IXOTH) && lp_map_hidden(-1)) mode |= aHIDDEN;
3637
3638 if (!cli_setatr(srv->cli, path, mode, 0)) {
3639 errno = smbc_errno(context, srv->cli);
3640 return -1;
3641 }
3642
3643 return 0;
3644 }
3645
3646 static int
3647 smbc_utimes_ctx(SMBCCTX *context,
3648 const char *fname,
3649 struct timeval *tbuf)
3650 {
3651 SMBCSRV *srv;
3652 fstring server;
3653 fstring share;
3654 fstring user;
3655 fstring password;
3656 fstring workgroup;
3657 pstring path;
3658 time_t access_time;
3659 time_t write_time;
3660
3661 if (!context || !context->internal ||
3662 !context->internal->_initialized) {
3663
3664 errno = EINVAL; /* Best I can think of ... */
3665 return -1;
3666
3667 }
3668
3669 if (!fname) {
3670
3671 errno = EINVAL;
3672 return -1;
3673
3674 }
3675
3676 if (tbuf == NULL) {
3677 access_time = write_time = time(NULL);
3678 } else {
3679 access_time = tbuf[0].tv_sec;
3680 write_time = tbuf[1].tv_sec;
3681 }
3682
3683 if (DEBUGLVL(4))
3684 {
3685 char *p;
3686 char atimebuf[32];
3687 char mtimebuf[32];
3688
3689 strncpy(atimebuf, ctime(&access_time), sizeof(atimebuf) - 1);
3690 atimebuf[sizeof(atimebuf) - 1] = '\0';
3691 if ((p = strchr(atimebuf, '\n')) != NULL) {
3692 *p = '\0';
3693 }
3694
3695 strncpy(mtimebuf, ctime(&write_time), sizeof(mtimebuf) - 1);
3696 mtimebuf[sizeof(mtimebuf) - 1] = '\0';
3697 if ((p = strchr(mtimebuf, '\n')) != NULL) {
3698 *p = '\0';
3699 }
3700
3701 dbgtext("smbc_utimes(%s, atime = %s mtime = %s)\n",
3702 fname, atimebuf, mtimebuf);
3703 }
3704
3705 if (smbc_parse_path(context, fname,
3706 workgroup, sizeof(workgroup),
3707 server, sizeof(server),
3708 share, sizeof(share),
3709 path, sizeof(path),
3710 user, sizeof(user),
3711 password, sizeof(password),
3712 NULL, 0)) {
3713 errno = EINVAL;
3714 return -1;
3715 }
3716
3717 if (user[0] == (char)0) fstrcpy(user, context->user);
3718
3719 srv = smbc_server(context, True,
3720 server, share, workgroup, user, password);
3721
3722 if (!srv) {
3723 return -1; /* errno set by smbc_server */
3724 }
3725
3726 if (!smbc_setatr(context, srv, path,
3727 0, access_time, write_time, 0, 0)) {
3728 return -1; /* errno set by smbc_setatr */
3729 }
3730
3731 return 0;
3732 }
3733
3734
3735 /* The MSDN is contradictory over the ordering of ACE entries in an ACL.
3736 However NT4 gives a "The information may have been modified by a
3737 computer running Windows NT 5.0" if denied ACEs do not appear before
3738 allowed ACEs. */
3739
3740 static int
3741 ace_compare(SEC_ACE *ace1,
3742 SEC_ACE *ace2)
3743 {
3744 if (sec_ace_equal(ace1, ace2))
3745 return 0;
3746
3747 if (ace1->type != ace2->type)
3748 return ace2->type - ace1->type;
3749
3750 if (sid_compare(&ace1->trustee, &ace2->trustee))
3751 return sid_compare(&ace1->trustee, &ace2->trustee);
3752
3753 if (ace1->flags != ace2->flags)
3754 return ace1->flags - ace2->flags;
3755
3756 if (ace1->access_mask != ace2->access_mask)
3757 return ace1->access_mask - ace2->access_mask;
3758
3759 if (ace1->size != ace2->size)
3760 return ace1->size - ace2->size;
3761
3762 return memcmp(ace1, ace2, sizeof(SEC_ACE));
3763 }
3764
3765
3766 static void
3767 sort_acl(SEC_ACL *the_acl)
3768 {
3769 uint32 i;
3770 if (!the_acl) return;
3771
3772 qsort(the_acl->aces, the_acl->num_aces, sizeof(the_acl->aces[0]),
3773 QSORT_CAST ace_compare);
3774
3775 for (i=1;i<the_acl->num_aces;) {
3776 if (sec_ace_equal(&the_acl->aces[i-1], &the_acl->aces[i])) {
3777 int j;
3778 for (j=i; j<the_acl->num_aces-1; j++) {
3779 the_acl->aces[j] = the_acl->aces[j+1];
3780 }
3781 the_acl->num_aces--;
3782 } else {
3783 i++;
3784 }
3785 }
3786 }
3787
3788 /* convert a SID to a string, either numeric or username/group */
3789 static void
3790 convert_sid_to_string(struct cli_state *ipc_cli,
3791 POLICY_HND *pol,
3792 fstring str,
3793 BOOL numeric,
3794 DOM_SID *sid)
3795 {
3796 char **domains = NULL;
3797 char **names = NULL;
3798 enum lsa_SidType *types = NULL;
3799 struct rpc_pipe_client *pipe_hnd = find_lsa_pipe_hnd(ipc_cli);
3800 sid_to_string(str, sid);
3801
3802 if (numeric) {
3803 return; /* no lookup desired */
3804 }
3805
3806 if (!pipe_hnd) {
3807 return;
3808 }
3809
3810 /* Ask LSA to convert the sid to a name */
3811
3812 if (!NT_STATUS_IS_OK(rpccli_lsa_lookup_sids(pipe_hnd, ipc_cli->mem_ctx,
3813 pol, 1, sid, &domains,
3814 &names, &types)) ||
3815 !domains || !domains[0] || !names || !names[0]) {
3816 return;
3817 }
3818
3819 /* Converted OK */
3820
3821 slprintf(str, sizeof(fstring) - 1, "%s%s%s",
3822 domains[0], lp_winbind_separator(),
3823 names[0]);
3824 }
3825
3826 /* convert a string to a SID, either numeric or username/group */
3827 static BOOL
3828 convert_string_to_sid(struct cli_state *ipc_cli,
3829 POLICY_HND *pol,
3830 BOOL numeric,
3831 DOM_SID *sid,
3832 const char *str)
3833 {
3834 enum lsa_SidType *types = NULL;
3835 DOM_SID *sids = NULL;
3836 BOOL result = True;
3837 struct rpc_pipe_client *pipe_hnd = find_lsa_pipe_hnd(ipc_cli);
3838
3839 if (!pipe_hnd) {
3840 return False;
3841 }
3842
3843 if (numeric) {
3844 if (strncmp(str, "S-", 2) == 0) {
3845 return string_to_sid(sid, str);
3846 }
3847
3848 result = False;
3849 goto done;
3850 }
3851
3852 if (!NT_STATUS_IS_OK(rpccli_lsa_lookup_names(pipe_hnd, ipc_cli->mem_ctx,
3853 pol, 1, &str, NULL, 1, &sids,
3854 &types))) {
3855 result = False;
3856 goto done;
3857 }
3858
3859 sid_copy(sid, &sids[0]);
3860 done:
3861
3862 return result;
3863 }
3864
3865
3866 /* parse an ACE in the same format as print_ace() */
3867 static BOOL
3868 parse_ace(struct cli_state *ipc_cli,
3869 POLICY_HND *pol,
3870 SEC_ACE *ace,
3871 BOOL numeric,
3872 char *str)
3873 {
3874 char *p;
3875 const char *cp;
3876 fstring tok;
3877 unsigned int atype;
3878 unsigned int aflags;
3879 unsigned int amask;
3880 DOM_SID sid;
3881 SEC_ACCESS mask;
3882 const struct perm_value *v;
3883 struct perm_value {
3884 const char *perm;
3885 uint32 mask;
3886 };
3887
3888 /* These values discovered by inspection */
3889 static const struct perm_value special_values[] = {
3890 { "R", 0x00120089 },
3891 { "W", 0x00120116 },
3892 { "X", 0x001200a0 },
3893 { "D", 0x00010000 },
3894 { "P", 0x00040000 },
3895 { "O", 0x00080000 },
3896 { NULL, 0 },
3897 };
3898
3899 static const struct perm_value standard_values[] = {
3900 { "READ", 0x001200a9 },
3901 { "CHANGE", 0x001301bf },
3902 { "FULL", 0x001f01ff },
3903 { NULL, 0 },
3904 };
3905
3906
3907 ZERO_STRUCTP(ace);
3908 p = strchr_m(str,':');
3909 if (!p) return False;
3910 *p = '\0';
3911 p++;
3912 /* Try to parse numeric form */
3913
3914 if (sscanf(p, "%i/%i/%i", &atype, &aflags, &amask) == 3 &&
3915 convert_string_to_sid(ipc_cli, pol, numeric, &sid, str)) {
3916 goto done;
3917 }
3918
3919 /* Try to parse text form */
3920
3921 if (!convert_string_to_sid(ipc_cli, pol, numeric, &sid, str)) {
3922 return False;
3923 }
3924
3925 cp = p;
3926 if (!next_token(&cp, tok, "/", sizeof(fstring))) {
3927 return False;
3928 }
3929
3930 if (StrnCaseCmp(tok, "ALLOWED", strlen("ALLOWED")) == 0) {
3931 atype = SEC_ACE_TYPE_ACCESS_ALLOWED;
3932 } else if (StrnCaseCmp(tok, "DENIED", strlen("DENIED")) == 0) {
3933 atype = SEC_ACE_TYPE_ACCESS_DENIED;
3934 } else {
3935 return False;
3936 }
3937
3938 /* Only numeric form accepted for flags at present */
3939
3940 if (!(next_token(&cp, tok, "/", sizeof(fstring)) &&
3941 sscanf(tok, "%i", &aflags))) {
3942 return False;
3943 }
3944
3945 if (!next_token(&cp, tok, "/", sizeof(fstring))) {
3946 return False;
3947 }
3948
3949 if (strncmp(tok, "0x", 2) == 0) {
3950 if (sscanf(tok, "%i", &amask) != 1) {
3951 return False;
3952 }
3953 goto done;
3954 }
3955
3956 for (v = standard_values; v->perm; v++) {
3957 if (strcmp(tok, v->perm) == 0) {
3958 amask = v->mask;
3959 goto done;
3960 }
3961 }
3962
3963 p = tok;
3964
3965 while(*p) {
3966 BOOL found = False;
3967
3968 for (v = special_values; v->perm; v++) {
3969 if (v->perm[0] == *p) {
3970 amask |= v->mask;
3971 found = True;
3972 }
3973 }
3974
3975 if (!found) return False;
3976 p++;
3977 }
3978
3979 if (*p) {
3980 return False;
3981 }
3982
3983 done:
3984 mask = amask;
3985 init_sec_ace(ace, &sid, atype, mask, aflags);
3986 return True;
3987 }
3988
3989 /* add an ACE to a list of ACEs in a SEC_ACL */
3990 static BOOL
3991 add_ace(SEC_ACL **the_acl,
3992 SEC_ACE *ace,
3993 TALLOC_CTX *ctx)
3994 {
3995 SEC_ACL *newacl;
3996 SEC_ACE *aces;
3997
3998 if (! *the_acl) {
3999 (*the_acl) = make_sec_acl(ctx, 3, 1, ace);
4000 return True;
4001 }
4002
4003 if ((aces = SMB_CALLOC_ARRAY(SEC_ACE, 1+(*the_acl)->num_aces)) == NULL) {
4004 return False;
4005 }
4006 memcpy(aces, (*the_acl)->aces, (*the_acl)->num_aces * sizeof(SEC_ACE));
4007 memcpy(aces+(*the_acl)->num_aces, ace, sizeof(SEC_ACE));
4008 newacl = make_sec_acl(ctx, (*the_acl)->revision,
4009 1+(*the_acl)->num_aces, aces);
4010 SAFE_FREE(aces);
4011 (*the_acl) = newacl;
4012 return True;
4013 }
4014
4015
4016 /* parse a ascii version of a security descriptor */
4017 static SEC_DESC *
4018 sec_desc_parse(TALLOC_CTX *ctx,
4019 struct cli_state *ipc_cli,
4020 POLICY_HND *pol,
4021 BOOL numeric,
4022 char *str)
4023 {
4024 const char *p = str;
4025 fstring tok;
4026 SEC_DESC *ret = NULL;
4027 size_t sd_size;
4028 DOM_SID *grp_sid=NULL;
4029 DOM_SID *owner_sid=NULL;
4030 SEC_ACL *dacl=NULL;
4031 int revision=1;
4032
4033 while (next_token(&p, tok, "\t,\r\n", sizeof(tok))) {
4034
4035 if (StrnCaseCmp(tok,"REVISION:", 9) == 0) {
4036 revision = strtol(tok+9, NULL, 16);
4037 continue;
4038 }
4039
4040 if (StrnCaseCmp(tok,"OWNER:", 6) == 0) {
4041 if (owner_sid) {
4042 DEBUG(5, ("OWNER specified more than once!\n"));
4043 goto done;
4044 }
4045 owner_sid = SMB_CALLOC_ARRAY(DOM_SID, 1);
4046 if (!owner_sid ||
4047 !convert_string_to_sid(ipc_cli, pol,
4048 numeric,
4049 owner_sid, tok+6)) {
4050 DEBUG(5, ("Failed to parse owner sid\n"));
4051 goto done;
4052 }
4053 continue;
4054 }
4055
4056 if (StrnCaseCmp(tok,"OWNER+:", 7) == 0) {
4057 if (owner_sid) {
4058 DEBUG(5, ("OWNER specified more than once!\n"));
4059 goto done;
4060 }
4061 owner_sid = SMB_CALLOC_ARRAY(DOM_SID, 1);
4062 if (!owner_sid ||
4063 !convert_string_to_sid(ipc_cli, pol,
4064 False,
4065 owner_sid, tok+7)) {
4066 DEBUG(5, ("Failed to parse owner sid\n"));
4067 goto done;
4068 }
4069 continue;
4070 }
4071
4072 if (StrnCaseCmp(tok,"GROUP:", 6) == 0) {
4073 if (grp_sid) {
4074 DEBUG(5, ("GROUP specified more than once!\n"));
4075 goto done;
4076 }
4077 grp_sid = SMB_CALLOC_ARRAY(DOM_SID, 1);
4078 if (!grp_sid ||
4079 !convert_string_to_sid(ipc_cli, pol,
4080 numeric,
4081 grp_sid, tok+6)) {
4082 DEBUG(5, ("Failed to parse group sid\n"));
4083 goto done;
4084 }
4085 continue;
4086 }
4087
4088 if (StrnCaseCmp(tok,"GROUP+:", 7) == 0) {
4089 if (grp_sid) {
4090 DEBUG(5, ("GROUP specified more than once!\n"));
4091 goto done;
4092 }
4093 grp_sid = SMB_CALLOC_ARRAY(DOM_SID, 1);
4094 if (!grp_sid ||
4095 !convert_string_to_sid(ipc_cli, pol,
4096 False,
4097 grp_sid, tok+6)) {
4098 DEBUG(5, ("Failed to parse group sid\n"));
4099 goto done;
4100 }
4101 continue;
4102 }
4103
4104 if (StrnCaseCmp(tok,"ACL:", 4) == 0) {
4105 SEC_ACE ace;
4106 if (!parse_ace(ipc_cli, pol, &ace, numeric, tok+4)) {
4107 DEBUG(5, ("Failed to parse ACL %s\n", tok));
4108 goto done;
4109 }
4110 if(!add_ace(&dacl, &ace, ctx)) {
4111 DEBUG(5, ("Failed to add ACL %s\n", tok));
4112 goto done;
4113 }
4114 continue;
4115 }
4116
4117 if (StrnCaseCmp(tok,"ACL+:", 5) == 0) {
4118 SEC_ACE ace;
4119 if (!parse_ace(ipc_cli, pol, &ace, False, tok+5)) {
4120 DEBUG(5, ("Failed to parse ACL %s\n", tok));
4121 goto done;
4122 }
4123 if(!add_ace(&dacl, &ace, ctx)) {
4124 DEBUG(5, ("Failed to add ACL %s\n", tok));
4125 goto done;
4126 }
4127 continue;
4128 }
4129
4130 DEBUG(5, ("Failed to parse security descriptor\n"));
4131 goto done;
4132 }
4133
4134 ret = make_sec_desc(ctx, revision, SEC_DESC_SELF_RELATIVE,
4135 owner_sid, grp_sid, NULL, dacl, &sd_size);
4136
4137 done:
4138 SAFE_FREE(grp_sid);
4139 SAFE_FREE(owner_sid);
4140
4141 return ret;
4142 }
4143
4144
4145 /* Obtain the current dos attributes */
4146 static DOS_ATTR_DESC *
4147 dos_attr_query(SMBCCTX *context,
4148 TALLOC_CTX *ctx,
4149 const char *filename,
4150 SMBCSRV *srv)
4151 {
4152 struct timespec create_time_ts;
4153 struct timespec write_time_ts;
4154 struct timespec access_time_ts;
4155 struct timespec change_time_ts;
4156 SMB_OFF_T size = 0;
4157 uint16 mode = 0;
4158 SMB_INO_T inode = 0;
4159 DOS_ATTR_DESC *ret;
4160
4161 ret = TALLOC_P(ctx, DOS_ATTR_DESC);
4162 if (!ret) {
4163 errno = ENOMEM;
4164 return NULL;
4165 }
4166
4167 /* Obtain the DOS attributes */
4168 if (!smbc_getatr(context, srv, CONST_DISCARD(char *, filename),
4169 &mode, &size,
4170 &create_time_ts,
4171 &access_time_ts,
4172 &write_time_ts,
4173 &change_time_ts,
4174 &inode)) {
4175
4176 errno = smbc_errno(context, srv->cli);
4177 DEBUG(5, ("dos_attr_query Failed to query old attributes\n"));
4178 return NULL;
4179
4180 }
4181
4182 ret->mode = mode;
4183 ret->size = size;
4184 ret->create_time = convert_timespec_to_time_t(create_time_ts);
4185 ret->access_time = convert_timespec_to_time_t(access_time_ts);
4186 ret->write_time = convert_timespec_to_time_t(write_time_ts);
4187 ret->change_time = convert_timespec_to_time_t(change_time_ts);
4188 ret->inode = inode;
4189
4190 return ret;
4191 }
4192
4193
4194 /* parse a ascii version of a security descriptor */
4195 static void
4196 dos_attr_parse(SMBCCTX *context,
4197 DOS_ATTR_DESC *dad,
4198 SMBCSRV *srv,
4199 char *str)
4200 {
4201 int n;
4202 const char *p = str;
4203 fstring tok;
4204 struct {
4205 const char * create_time_attr;
4206 const char * access_time_attr;
4207 const char * write_time_attr;
4208 const char * change_time_attr;
4209 } attr_strings;
4210
4211 /* Determine whether to use old-style or new-style attribute names */
4212 if (context->internal->_full_time_names) {
4213 /* new-style names */
4214 attr_strings.create_time_attr = "CREATE_TIME";
4215 attr_strings.access_time_attr = "ACCESS_TIME";
4216 attr_strings.write_time_attr = "WRITE_TIME";
4217 attr_strings.change_time_attr = "CHANGE_TIME";
4218 } else {
4219 /* old-style names */
4220 attr_strings.create_time_attr = NULL;
4221 attr_strings.access_time_attr = "A_TIME";
4222 attr_strings.write_time_attr = "M_TIME";
4223 attr_strings.change_time_attr = "C_TIME";
4224 }
4225
4226 /* if this is to set the entire ACL... */
4227 if (*str == '*') {
4228 /* ... then increment past the first colon if there is one */
4229 if ((p = strchr(str, ':')) != NULL) {
4230 ++p;
4231 } else {
4232 p = str;
4233 }
4234 }
4235
4236 while (next_token(&p, tok, "\t,\r\n", sizeof(tok))) {
4237
4238 if (StrnCaseCmp(tok, "MODE:", 5) == 0) {
4239 dad->mode = strtol(tok+5, NULL, 16);
4240 continue;
4241 }
4242
4243 if (StrnCaseCmp(tok, "SIZE:", 5) == 0) {
4244 dad->size = (SMB_OFF_T)atof(tok+5);
4245 continue;
4246 }
4247
4248 n = strlen(attr_strings.access_time_attr);
4249 if (StrnCaseCmp(tok, attr_strings.access_time_attr, n) == 0) {
4250 dad->access_time = (time_t)strtol(tok+n+1, NULL, 10);
4251 continue;
4252 }
4253
4254 n = strlen(attr_strings.change_time_attr);
4255 if (StrnCaseCmp(tok, attr_strings.change_time_attr, n) == 0) {
4256 dad->change_time = (time_t)strtol(tok+n+1, NULL, 10);
4257 continue;
4258 }
4259
4260 n = strlen(attr_strings.write_time_attr);
4261 if (StrnCaseCmp(tok, attr_strings.write_time_attr, n) == 0) {
4262 dad->write_time = (time_t)strtol(tok+n+1, NULL, 10);
4263 continue;
4264 }
4265
4266 if (attr_strings.create_time_attr != NULL) {
4267 n = strlen(attr_strings.create_time_attr);
4268 if (StrnCaseCmp(tok, attr_strings.create_time_attr,
4269 n) == 0) {
4270 dad->create_time = (time_t)strtol(tok+n+1,
4271 NULL, 10);
4272 continue;
4273 }
4274 }
4275
4276 if (StrnCaseCmp(tok, "INODE:", 6) == 0) {
4277 dad->inode = (SMB_INO_T)atof(tok+6);
4278 continue;
4279 }
4280 }
4281 }
4282
4283 /*****************************************************
4284 Retrieve the acls for a file.
4285 *******************************************************/
4286
4287 static int
4288 cacl_get(SMBCCTX *context,
4289 TALLOC_CTX *ctx,
4290 SMBCSRV *srv,
4291 struct cli_state *ipc_cli,
4292 POLICY_HND *pol,
4293 char *filename,
4294 char *attr_name,
4295 char *buf,
4296 int bufsize)
4297 {
4298 uint32 i;
4299 int n = 0;
4300 int n_used;
4301 BOOL all;
4302 BOOL all_nt;
4303 BOOL all_nt_acls;
4304 BOOL all_dos;
4305 BOOL some_nt;
4306 BOOL some_dos;
4307 BOOL exclude_nt_revision = False;
4308 BOOL exclude_nt_owner = False;
4309 BOOL exclude_nt_group = False;
4310 BOOL exclude_nt_acl = False;
4311 BOOL exclude_dos_mode = False;
4312 BOOL exclude_dos_size = False;
4313 BOOL exclude_dos_create_time = False;
4314 BOOL exclude_dos_access_time = False;
4315 BOOL exclude_dos_write_time = False;
4316 BOOL exclude_dos_change_time = False;
4317 BOOL exclude_dos_inode = False;
4318 BOOL numeric = True;
4319 BOOL determine_size = (bufsize == 0);
4320 int fnum = -1;
4321 SEC_DESC *sd;
4322 fstring sidstr;
4323 fstring name_sandbox;
4324 char *name;
4325 char *pExclude;
4326 char *p;
4327 struct timespec create_time_ts;
4328 struct timespec write_time_ts;
4329 struct timespec access_time_ts;
4330 struct timespec change_time_ts;
4331 time_t create_time = (time_t)0;
4332 time_t write_time = (time_t)0;
4333 time_t access_time = (time_t)0;
4334 time_t change_time = (time_t)0;
4335 SMB_OFF_T size = 0;
4336 uint16 mode = 0;
4337 SMB_INO_T ino = 0;
4338 struct cli_state *cli = srv->cli;
4339 struct {
4340 const char * create_time_attr;
4341 const char * access_time_attr;
4342 const char * write_time_attr;
4343 const char * change_time_attr;
4344 } attr_strings;
4345 struct {
4346 const char * create_time_attr;
4347 const char * access_time_attr;
4348 const char * write_time_attr;
4349 const char * change_time_attr;
4350 } excl_attr_strings;
4351
4352 /* Determine whether to use old-style or new-style attribute names */
4353 if (context->internal->_full_time_names) {
4354 /* new-style names */
4355 attr_strings.create_time_attr = "CREATE_TIME";
4356 attr_strings.access_time_attr = "ACCESS_TIME";
4357 attr_strings.write_time_attr = "WRITE_TIME";
4358 attr_strings.change_time_attr = "CHANGE_TIME";
4359
4360 excl_attr_strings.create_time_attr = "CREATE_TIME";
4361 excl_attr_strings.access_time_attr = "ACCESS_TIME";
4362 excl_attr_strings.write_time_attr = "WRITE_TIME";
4363 excl_attr_strings.change_time_attr = "CHANGE_TIME";
4364 } else {
4365 /* old-style names */
4366 attr_strings.create_time_attr = NULL;
4367 attr_strings.access_time_attr = "A_TIME";
4368 attr_strings.write_time_attr = "M_TIME";
4369 attr_strings.change_time_attr = "C_TIME";
4370
4371 excl_attr_strings.create_time_attr = NULL;
4372 excl_attr_strings.access_time_attr = "dos_attr.A_TIME";
4373 excl_attr_strings.write_time_attr = "dos_attr.M_TIME";
4374 excl_attr_strings.change_time_attr = "dos_attr.C_TIME";
4375 }
4376
4377 /* Copy name so we can strip off exclusions (if any are specified) */
4378 strncpy(name_sandbox, attr_name, sizeof(name_sandbox) - 1);
4379
4380 /* Ensure name is null terminated */
4381 name_sandbox[sizeof(name_sandbox) - 1] = '\0';
4382
4383 /* Play in the sandbox */
4384 name = name_sandbox;
4385
4386 /* If there are any exclusions, point to them and mask them from name */
4387 if ((pExclude = strchr(name, '!')) != NULL)
4388 {
4389 *pExclude++ = '\0';
4390 }
4391
4392 all = (StrnCaseCmp(name, "system.*", 8) == 0);
4393 all_nt = (StrnCaseCmp(name, "system.nt_sec_desc.*", 20) == 0);
4394 all_nt_acls = (StrnCaseCmp(name, "system.nt_sec_desc.acl.*", 24) == 0);
4395 all_dos = (StrnCaseCmp(name, "system.dos_attr.*", 17) == 0);
4396 some_nt = (StrnCaseCmp(name, "system.nt_sec_desc.", 19) == 0);
4397 some_dos = (StrnCaseCmp(name, "system.dos_attr.", 16) == 0);
4398 numeric = (* (name + strlen(name) - 1) != '+');
4399
4400 /* Look for exclusions from "all" requests */
4401 if (all || all_nt || all_dos) {
4402
4403 /* Exclusions are delimited by '!' */
4404 for (;
4405 pExclude != NULL;
4406 pExclude = (p == NULL ? NULL : p + 1)) {
4407
4408 /* Find end of this exclusion name */
4409 if ((p = strchr(pExclude, '!')) != NULL)
4410 {
4411 *p = '\0';
4412 }
4413
4414 /* Which exclusion name is this? */
4415 if (StrCaseCmp(pExclude, "nt_sec_desc.revision") == 0) {
4416 exclude_nt_revision = True;
4417 }
4418 else if (StrCaseCmp(pExclude, "nt_sec_desc.owner") == 0) {
4419 exclude_nt_owner = True;
4420 }
4421 else if (StrCaseCmp(pExclude, "nt_sec_desc.group") == 0) {
4422 exclude_nt_group = True;
4423 }
4424 else if (StrCaseCmp(pExclude, "nt_sec_desc.acl") == 0) {
4425 exclude_nt_acl = True;
4426 }
4427 else if (StrCaseCmp(pExclude, "dos_attr.mode") == 0) {
4428 exclude_dos_mode = True;
4429 }
4430 else if (StrCaseCmp(pExclude, "dos_attr.size") == 0) {
4431 exclude_dos_size = True;
4432 }
4433 else if (excl_attr_strings.create_time_attr != NULL &&
4434 StrCaseCmp(pExclude,
4435 excl_attr_strings.change_time_attr) == 0) {
4436 exclude_dos_create_time = True;
4437 }
4438 else if (StrCaseCmp(pExclude,
4439 excl_attr_strings.access_time_attr) == 0) {
4440 exclude_dos_access_time = True;
4441 }
4442 else if (StrCaseCmp(pExclude,
4443 excl_attr_strings.write_time_attr) == 0) {
4444 exclude_dos_write_time = True;
4445 }
4446 else if (StrCaseCmp(pExclude,
4447 excl_attr_strings.change_time_attr) == 0) {
4448 exclude_dos_change_time = True;
4449 }
4450 else if (StrCaseCmp(pExclude, "dos_attr.inode") == 0) {
4451 exclude_dos_inode = True;
4452 }
4453 else {
4454 DEBUG(5, ("cacl_get received unknown exclusion: %s\n",
4455 pExclude));
4456 errno = ENOATTR;
4457 return -1;
4458 }
4459 }
4460 }
4461
4462 n_used = 0;
4463
4464 /*
4465 * If we are (possibly) talking to an NT or new system and some NT
4466 * attributes have been requested...
4467 */
4468 if (ipc_cli && (all || some_nt || all_nt_acls)) {
4469 /* Point to the portion after "system.nt_sec_desc." */
4470 name += 19; /* if (all) this will be invalid but unused */
4471
4472 /* ... then obtain any NT attributes which were requested */
4473 fnum = cli_nt_create(cli, filename, CREATE_ACCESS_READ);
4474
4475 if (fnum == -1) {
4476 DEBUG(5, ("cacl_get failed to open %s: %s\n",
4477 filename, cli_errstr(cli)));
4478 errno = 0;
4479 return -1;
4480 }
4481
4482 sd = cli_query_secdesc(cli, fnum, ctx);
4483
4484 if (!sd) {
4485 DEBUG(5,
4486 ("cacl_get Failed to query old descriptor\n"));
4487 errno = 0;
4488 return -1;
4489 }
4490
4491 cli_close(cli, fnum);
4492
4493 if (! exclude_nt_revision) {
4494 if (all || all_nt) {
4495 if (determine_size) {
4496 p = talloc_asprintf(ctx,
4497 "REVISION:%d",
4498 sd->revision);
4499 if (!p) {
4500 errno = ENOMEM;
4501 return -1;
4502 }
4503 n = strlen(p);
4504 } else {
4505 n = snprintf(buf, bufsize,
4506 "REVISION:%d",
4507 sd->revision);
4508 }
4509 } else if (StrCaseCmp(name, "revision") == 0) {
4510 if (determine_size) {
4511 p = talloc_asprintf(ctx, "%d",
4512 sd->revision);
4513 if (!p) {
4514 errno = ENOMEM;
4515 return -1;
4516 }
4517 n = strlen(p);
4518 } else {
4519 n = snprintf(buf, bufsize, "%d",
4520 sd->revision);
4521 }
4522 }
4523
4524 if (!determine_size && n > bufsize) {
4525 errno = ERANGE;
4526 return -1;
4527 }
4528 buf += n;
4529 n_used += n;
4530 bufsize -= n;
4531 n = 0;
4532 }
4533
4534 if (! exclude_nt_owner) {
4535 /* Get owner and group sid */
4536 if (sd->owner_sid) {
4537 convert_sid_to_string(ipc_cli, pol,
4538 sidstr,
4539 numeric,
4540 sd->owner_sid);
4541 } else {
4542 fstrcpy(sidstr, "");
4543 }
4544
4545 if (all || all_nt) {
4546 if (determine_size) {
4547 p = talloc_asprintf(ctx, ",OWNER:%s",
4548 sidstr);
4549 if (!p) {
4550 errno = ENOMEM;
4551 return -1;
4552 }
4553 n = strlen(p);
4554 } else if (sidstr[0] != '\0') {
4555 n = snprintf(buf, bufsize,
4556 ",OWNER:%s", sidstr);
4557 }
4558 } else if (StrnCaseCmp(name, "owner", 5) == 0) {
4559 if (determine_size) {
4560 p = talloc_asprintf(ctx, "%s", sidstr);
4561 if (!p) {
4562 errno = ENOMEM;
4563 return -1;
4564 }
4565 n = strlen(p);
4566 } else {
4567 n = snprintf(buf, bufsize, "%s",
4568 sidstr);
4569 }
4570 }
4571
4572 if (!determine_size && n > bufsize) {
4573 errno = ERANGE;
4574 return -1;
4575 }
4576 buf += n;
4577 n_used += n;
4578 bufsize -= n;
4579 n = 0;
4580 }
4581
4582 if (! exclude_nt_group) {
4583 if (sd->group_sid) {
4584 convert_sid_to_string(ipc_cli, pol,
4585 sidstr, numeric,
4586 sd->group_sid);
4587 } else {
4588 fstrcpy(sidstr, "");
4589 }
4590
4591 if (all || all_nt) {
4592 if (determine_size) {
4593 p = talloc_asprintf(ctx, ",GROUP:%s",
4594 sidstr);
4595 if (!p) {
4596 errno = ENOMEM;
4597 return -1;
4598 }
4599 n = strlen(p);
4600 } else if (sidstr[0] != '\0') {
4601 n = snprintf(buf, bufsize,
4602 ",GROUP:%s", sidstr);
4603 }
4604 } else if (StrnCaseCmp(name, "group", 5) == 0) {
4605 if (determine_size) {
4606 p = talloc_asprintf(ctx, "%s", sidstr);
4607 if (!p) {
4608 errno = ENOMEM;
4609 return -1;
4610 }
4611 n = strlen(p);
4612 } else {
4613 n = snprintf(buf, bufsize,
4614 "%s", sidstr);
4615 }
4616 }
4617
4618 if (!determine_size && n > bufsize) {
4619 errno = ERANGE;
4620 return -1;
4621 }
4622 buf += n;
4623 n_used += n;
4624 bufsize -= n;
4625 n = 0;
4626 }
4627
4628 if (! exclude_nt_acl) {
4629 /* Add aces to value buffer */
4630 for (i = 0; sd->dacl && i < sd->dacl->num_aces; i++) {
4631
4632 SEC_ACE *ace = &sd->dacl->aces[i];
4633 convert_sid_to_string(ipc_cli, pol,
4634 sidstr, numeric,
4635 &ace->trustee);
4636
4637 if (all || all_nt) {
4638 if (determine_size) {
4639 p = talloc_asprintf(
4640 ctx,
4641 ",ACL:"
4642 "%s:%d/%d/0x%08x",
4643 sidstr,
4644 ace->type,
4645 ace->flags,
4646 ace->access_mask);
4647 if (!p) {
4648 errno = ENOMEM;
4649 return -1;
4650 }
4651 n = strlen(p);
4652 } else {
4653 n = snprintf(
4654 buf, bufsize,
4655 ",ACL:%s:%d/%d/0x%08x",
4656 sidstr,
4657 ace->type,
4658 ace->flags,
4659 ace->access_mask);
4660 }
4661 } else if ((StrnCaseCmp(name, "acl", 3) == 0 &&
4662 StrCaseCmp(name+3, sidstr) == 0) ||
4663 (StrnCaseCmp(name, "acl+", 4) == 0 &&
4664 StrCaseCmp(name+4, sidstr) == 0)) {
4665 if (determine_size) {
4666 p = talloc_asprintf(
4667 ctx,
4668 "%d/%d/0x%08x",
4669 ace->type,
4670 ace->flags,
4671 ace->access_mask);
4672 if (!p) {
4673 errno = ENOMEM;
4674 return -1;
4675 }
4676 n = strlen(p);
4677 } else {
4678 n = snprintf(buf, bufsize,
4679 "%d/%d/0x%08x",
4680 ace->type,
4681 ace->flags,
4682 ace->access_mask);
4683 }
4684 } else if (all_nt_acls) {
4685 if (determine_size) {
4686 p = talloc_asprintf(
4687 ctx,
4688 "%s%s:%d/%d/0x%08x",
4689 i ? "," : "",
4690 sidstr,
4691 ace->type,
4692 ace->flags,
4693 ace->access_mask);
4694 if (!p) {
4695 errno = ENOMEM;
4696 return -1;
4697 }
4698 n = strlen(p);
4699 } else {
4700 n = snprintf(buf, bufsize,
4701 "%s%s:%d/%d/0x%08x",
4702 i ? "," : "",
4703 sidstr,
4704 ace->type,
4705 ace->flags,
4706 ace->access_mask);
4707 }
4708 }
4709 if (!determine_size && n > bufsize) {
4710 errno = ERANGE;
4711 return -1;
4712 }
4713 buf += n;
4714 n_used += n;
4715 bufsize -= n;
4716 n = 0;
4717 }
4718 }
4719
4720 /* Restore name pointer to its original value */
4721 name -= 19;
4722 }
4723
4724 if (all || some_dos) {
4725 /* Point to the portion after "system.dos_attr." */
4726 name += 16; /* if (all) this will be invalid but unused */
4727
4728 /* Obtain the DOS attributes */
4729 if (!smbc_getatr(context, srv, filename, &mode, &size,
4730 &create_time_ts,
4731 &access_time_ts,
4732 &write_time_ts,
4733 &change_time_ts,
4734 &ino)) {
4735
4736 errno = smbc_errno(context, srv->cli);
4737 return -1;
4738
4739 }
4740
4741 create_time = convert_timespec_to_time_t(create_time_ts);
4742 access_time = convert_timespec_to_time_t(access_time_ts);
4743 write_time = convert_timespec_to_time_t(write_time_ts);
4744 change_time = convert_timespec_to_time_t(change_time_ts);
4745
4746 if (! exclude_dos_mode) {
4747 if (all || all_dos) {
4748 if (determine_size) {
4749 p = talloc_asprintf(ctx,
4750 "%sMODE:0x%x",
4751 (ipc_cli &&
4752 (all || some_nt)
4753 ? ","
4754 : ""),
4755 mode);
4756 if (!p) {
4757 errno = ENOMEM;
4758 return -1;
4759 }
4760 n = strlen(p);
4761 } else {
4762 n = snprintf(buf, bufsize,
4763 "%sMODE:0x%x",
4764 (ipc_cli &&
4765 (all || some_nt)
4766 ? ","
4767 : ""),
4768 mode);
4769 }
4770 } else if (StrCaseCmp(name, "mode") == 0) {
4771 if (determine_size) {
4772 p = talloc_asprintf(ctx, "0x%x", mode);
4773 if (!p) {
4774 errno = ENOMEM;
4775 return -1;
4776 }
4777 n = strlen(p);
4778 } else {
4779 n = snprintf(buf, bufsize,
4780 "0x%x", mode);
4781 }
4782 }
4783
4784 if (!determine_size && n > bufsize) {
4785 errno = ERANGE;
4786 return -1;
4787 }
4788 buf += n;
4789 n_used += n;
4790 bufsize -= n;
4791 n = 0;
4792 }
4793
4794 if (! exclude_dos_size) {
4795 if (all || all_dos) {
4796 if (determine_size) {
4797 p = talloc_asprintf(
4798 ctx,
4799 ",SIZE:%.0f",
4800 (double)size);
4801 if (!p) {
4802 errno = ENOMEM;
4803 return -1;
4804 }
4805 n = strlen(p);
4806 } else {
4807 n = snprintf(buf, bufsize,
4808 ",SIZE:%.0f",
4809 (double)size);
4810 }
4811 } else if (StrCaseCmp(name, "size") == 0) {
4812 if (determine_size) {
4813 p = talloc_asprintf(
4814 ctx,
4815 "%.0f",
4816 (double)size);
4817 if (!p) {
4818 errno = ENOMEM;
4819 return -1;
4820 }
4821 n = strlen(p);
4822 } else {
4823 n = snprintf(buf, bufsize,
4824 "%.0f",
4825 (double)size);
4826 }
4827 }
4828
4829 if (!determine_size && n > bufsize) {
4830 errno = ERANGE;
4831 return -1;
4832 }
4833 buf += n;
4834 n_used += n;
4835 bufsize -= n;
4836 n = 0;
4837 }
4838
4839 if (! exclude_dos_create_time &&
4840 attr_strings.create_time_attr != NULL) {
4841 if (all || all_dos) {
4842 if (determine_size) {
4843 p = talloc_asprintf(ctx,
4844 ",%s:%lu",
4845 attr_strings.create_time_attr,
4846 create_time);
4847 if (!p) {
4848 errno = ENOMEM;
4849 return -1;
4850 }
4851 n = strlen(p);
4852 } else {
4853 n = snprintf(buf, bufsize,
4854 ",%s:%lu",
4855 attr_strings.create_time_attr,
4856 create_time);
4857 }
4858 } else if (StrCaseCmp(name, attr_strings.create_time_attr) == 0) {
4859 if (determine_size) {
4860 p = talloc_asprintf(ctx, "%lu", create_time);
4861 if (!p) {
4862 errno = ENOMEM;
4863 return -1;
4864 }
4865 n = strlen(p);
4866 } else {
4867 n = snprintf(buf, bufsize,
4868 "%lu", create_time);
4869 }
4870 }
4871
4872 if (!determine_size && n > bufsize) {
4873 errno = ERANGE;
4874 return -1;
4875 }
4876 buf += n;
4877 n_used += n;
4878 bufsize -= n;
4879 n = 0;
4880 }
4881
4882 if (! exclude_dos_access_time) {
4883 if (all || all_dos) {
4884 if (determine_size) {
4885 p = talloc_asprintf(ctx,
4886 ",%s:%lu",
4887 attr_strings.access_time_attr,
4888 access_time);
4889 if (!p) {
4890 errno = ENOMEM;
4891 return -1;
4892 }
4893 n = strlen(p);
4894 } else {
4895 n = snprintf(buf, bufsize,
4896 ",%s:%lu",
4897 attr_strings.access_time_attr,
4898 access_time);
4899 }
4900 } else if (StrCaseCmp(name, attr_strings.access_time_attr) == 0) {
4901 if (determine_size) {
4902 p = talloc_asprintf(ctx, "%lu", access_time);
4903 if (!p) {
4904 errno = ENOMEM;
4905 return -1;
4906 }
4907 n = strlen(p);
4908 } else {
4909 n = snprintf(buf, bufsize,
4910 "%lu", access_time);
4911 }
4912 }
4913
4914 if (!determine_size && n > bufsize) {
4915 errno = ERANGE;
4916 return -1;
4917 }
4918 buf += n;
4919 n_used += n;
4920 bufsize -= n;
4921 n = 0;
4922 }
4923
4924 if (! exclude_dos_write_time) {
4925 if (all || all_dos) {
4926 if (determine_size) {
4927 p = talloc_asprintf(ctx,
4928 ",%s:%lu",
4929 attr_strings.write_time_attr,
4930 write_time);
4931 if (!p) {
4932 errno = ENOMEM;
4933 return -1;
4934 }
4935 n = strlen(p);
4936 } else {
4937 n = snprintf(buf, bufsize,
4938 ",%s:%lu",
4939 attr_strings.write_time_attr,
4940 write_time);
4941 }
4942 } else if (StrCaseCmp(name, attr_strings.write_time_attr) == 0) {
4943 if (determine_size) {
4944 p = talloc_asprintf(ctx, "%lu", write_time);
4945 if (!p) {
4946 errno = ENOMEM;
4947 return -1;
4948 }
4949 n = strlen(p);
4950 } else {
4951 n = snprintf(buf, bufsize,
4952 "%lu", write_time);
4953 }
4954 }
4955
4956 if (!determine_size && n > bufsize) {
4957 errno = ERANGE;
4958 return -1;
4959 }
4960 buf += n;
4961 n_used += n;
4962 bufsize -= n;
4963 n = 0;
4964 }
4965
4966 if (! exclude_dos_change_time) {
4967 if (all || all_dos) {
4968 if (determine_size) {
4969 p = talloc_asprintf(ctx,
4970 ",%s:%lu",
4971 attr_strings.change_time_attr,
4972 change_time);
4973 if (!p) {
4974 errno = ENOMEM;
4975 return -1;
4976 }
4977 n = strlen(p);
4978 } else {
4979 n = snprintf(buf, bufsize,
4980 ",%s:%lu",
4981 attr_strings.change_time_attr,
4982 change_time);
4983 }
4984 } else if (StrCaseCmp(name, attr_strings.change_time_attr) == 0) {
4985 if (determine_size) {
4986 p = talloc_asprintf(ctx, "%lu", change_time);
4987 if (!p) {
4988 errno = ENOMEM;
4989 return -1;
4990 }
4991 n = strlen(p);
4992 } else {
4993 n = snprintf(buf, bufsize,
4994 "%lu", change_time);
4995 }
4996 }
4997
4998 if (!determine_size && n > bufsize) {
4999 errno = ERANGE;
5000 return -1;
5001 }
5002 buf += n;
5003 n_used += n;
5004 bufsize -= n;
5005 n = 0;
5006 }
5007
5008 if (! exclude_dos_inode) {
5009 if (all || all_dos) {
5010 if (determine_size) {
5011 p = talloc_asprintf(
5012 ctx,
5013 ",INODE:%.0f",
5014 (double)ino);
5015 if (!p) {
5016 errno = ENOMEM;
5017 return -1;
5018 }
5019 n = strlen(p);
5020 } else {
5021 n = snprintf(buf, bufsize,
5022 ",INODE:%.0f",
5023 (double) ino);
5024 }
5025 } else if (StrCaseCmp(name, "inode") == 0) {
5026 if (determine_size) {
5027 p = talloc_asprintf(
5028 ctx,
5029 "%.0f",
5030 (double) ino);
5031 if (!p) {
5032 errno = ENOMEM;
5033 return -1;
5034 }
5035 n = strlen(p);
5036 } else {
5037 n = snprintf(buf, bufsize,
5038 "%.0f",
5039 (double) ino);
5040 }
5041 }
5042
5043 if (!determine_size && n > bufsize) {
5044 errno = ERANGE;
5045 return -1;
5046 }
5047 buf += n;
5048 n_used += n;
5049 bufsize -= n;
5050 n = 0;
5051 }
5052
5053 /* Restore name pointer to its original value */
5054 name -= 16;
5055 }
5056
5057 if (n_used == 0) {
5058 errno = ENOATTR;
5059 return -1;
5060 }
5061
5062 return n_used;
5063 }
5064
5065
5066 /*****************************************************
5067 set the ACLs on a file given an ascii description
5068 *******************************************************/
5069 static int
5070 cacl_set(TALLOC_CTX *ctx,
5071 struct cli_state *cli,
5072 struct cli_state *ipc_cli,
5073 POLICY_HND *pol,
5074 const char *filename,
5075 const char *the_acl,
5076 int mode,
5077 int flags)
5078 {
5079 int fnum;
5080 int err = 0;
5081 SEC_DESC *sd = NULL, *old;
5082 SEC_ACL *dacl = NULL;
5083 DOM_SID *owner_sid = NULL;
5084 DOM_SID *grp_sid = NULL;
5085 uint32 i, j;
5086 size_t sd_size;
5087 int ret = 0;
5088 char *p;
5089 BOOL numeric = True;
5090
5091 /* the_acl will be null for REMOVE_ALL operations */
5092 if (the_acl) {
5093 numeric = ((p = strchr(the_acl, ':')) != NULL &&
5094 p > the_acl &&
5095 p[-1] != '+');
5096
5097 /* if this is to set the entire ACL... */
5098 if (*the_acl == '*') {
5099 /* ... then increment past the first colon */
5100 the_acl = p + 1;
5101 }
5102
5103 sd = sec_desc_parse(ctx, ipc_cli, pol, numeric,
5104 CONST_DISCARD(char *, the_acl));
5105
5106 if (!sd) {
5107 errno = EINVAL;
5108 return -1;
5109 }
5110 }
5111
5112 /* SMBC_XATTR_MODE_REMOVE_ALL is the only caller
5113 that doesn't deref sd */
5114
5115 if (!sd && (mode != SMBC_XATTR_MODE_REMOVE_ALL)) {
5116 errno = EINVAL;
5117 return -1;
5118 }
5119
5120 /* The desired access below is the only one I could find that works
5121 with NT4, W2KP and Samba */
5122
5123 fnum = cli_nt_create(cli, filename, CREATE_ACCESS_READ);
5124
5125 if (fnum == -1) {
5126 DEBUG(5, ("cacl_set failed to open %s: %s\n",
5127 filename, cli_errstr(cli)));
5128 errno = 0;
5129 return -1;
5130 }
5131
5132 old = cli_query_secdesc(cli, fnum, ctx);
5133
5134 if (!old) {
5135 DEBUG(5, ("cacl_set Failed to query old descriptor\n"));
5136 errno = 0;
5137 return -1;
5138 }
5139
5140 cli_close(cli, fnum);
5141
5142 switch (mode) {
5143 case SMBC_XATTR_MODE_REMOVE_ALL:
5144 old->dacl->num_aces = 0;
5145 old->dacl = NULL;
5146 dacl = old->dacl;
5147 break;
5148
5149 case SMBC_XATTR_MODE_REMOVE:
5150 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
5151 BOOL found = False;
5152
5153 for (j=0;old->dacl && j<old->dacl->num_aces;j++) {
5154 if (sec_ace_equal(&sd->dacl->aces[i],
5155 &old->dacl->aces[j])) {
5156 uint32 k;
5157 for (k=j; k<old->dacl->num_aces-1;k++) {
5158 old->dacl->aces[k] =
5159 old->dacl->aces[k+1];
5160 }
5161 old->dacl->num_aces--;
5162 if (old->dacl->num_aces == 0) {
5163 old->dacl = NULL;
5164 }
5165 found = True;
5166 dacl = old->dacl;
5167 break;
5168 }
5169 }
5170
5171 if (!found) {
5172 err = ENOATTR;
5173 ret = -1;
5174 goto failed;
5175 }
5176 }
5177 break;
5178
5179 case SMBC_XATTR_MODE_ADD:
5180 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
5181 BOOL found = False;
5182
5183 for (j=0;old->dacl && j<old->dacl->num_aces;j++) {
5184 if (sid_equal(&sd->dacl->aces[i].trustee,
5185 &old->dacl->aces[j].trustee)) {
5186 if (!(flags & SMBC_XATTR_FLAG_CREATE)) {
5187 err = EEXIST;
5188 ret = -1;
5189 goto failed;
5190 }
5191 old->dacl->aces[j] = sd->dacl->aces[i];
5192 ret = -1;
5193 found = True;
5194 }
5195 }
5196
5197 if (!found && (flags & SMBC_XATTR_FLAG_REPLACE)) {
5198 err = ENOATTR;
5199 ret = -1;
5200 goto failed;
5201 }
5202
5203 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
5204 add_ace(&old->dacl, &sd->dacl->aces[i], ctx);
5205 }
5206 }
5207 dacl = old->dacl;
5208 break;
5209
5210 case SMBC_XATTR_MODE_SET:
5211 old = sd;
5212 owner_sid = old->owner_sid;
5213 grp_sid = old->group_sid;
5214 dacl = old->dacl;
5215 break;
5216
5217 case SMBC_XATTR_MODE_CHOWN:
5218 owner_sid = sd->owner_sid;
5219 break;
5220
5221 case SMBC_XATTR_MODE_CHGRP:
5222 grp_sid = sd->group_sid;
5223 break;
5224 }
5225
5226 /* Denied ACE entries must come before allowed ones */
5227 sort_acl(old->dacl);
5228
5229 /* Create new security descriptor and set it */
5230 sd = make_sec_desc(ctx, old->revision, SEC_DESC_SELF_RELATIVE,
5231 owner_sid, grp_sid, NULL, dacl, &sd_size);
5232
5233 fnum = cli_nt_create(cli, filename,
5234 WRITE_DAC_ACCESS | WRITE_OWNER_ACCESS);
5235
5236 if (fnum == -1) {
5237 DEBUG(5, ("cacl_set failed to open %s: %s\n",
5238 filename, cli_errstr(cli)));
5239 errno = 0;
5240 return -1;
5241 }
5242
5243 if (!cli_set_secdesc(cli, fnum, sd)) {
5244 DEBUG(5, ("ERROR: secdesc set failed: %s\n", cli_errstr(cli)));
5245 ret = -1;
5246 }
5247
5248 /* Clean up */
5249
5250 failed:
5251 cli_close(cli, fnum);
5252
5253 if (err != 0) {
5254 errno = err;
5255 }
5256
5257 return ret;
5258 }
5259
5260
5261 static int
5262 smbc_setxattr_ctx(SMBCCTX *context,
5263 const char *fname,
5264 const char *name,
5265 const void *value,
5266 size_t size,
5267 int flags)
5268 {
5269 int ret;
5270 int ret2;
5271 SMBCSRV *srv;
5272 SMBCSRV *ipc_srv;
5273 fstring server;
5274 fstring share;
5275 fstring user;
5276 fstring password;
5277 fstring workgroup;
5278 pstring path;
5279 TALLOC_CTX *ctx;
5280 POLICY_HND pol;
5281 DOS_ATTR_DESC *dad;
5282 struct {
5283 const char * create_time_attr;
5284 const char * access_time_attr;
5285 const char * write_time_attr;
5286 const char * change_time_attr;
5287 } attr_strings;
5288
5289 if (!context || !context->internal ||
5290 !context->internal->_initialized) {
5291
5292 errno = EINVAL; /* Best I can think of ... */
5293 return -1;
5294
5295 }
5296
5297 if (!fname) {
5298
5299 errno = EINVAL;
5300 return -1;
5301
5302 }
5303
5304 DEBUG(4, ("smbc_setxattr(%s, %s, %.*s)\n",
5305 fname, name, (int) size, (const char*)value));
5306
5307 if (smbc_parse_path(context, fname,
5308 workgroup, sizeof(workgroup),
5309 server, sizeof(server),
5310 share, sizeof(share),
5311 path, sizeof(path),
5312 user, sizeof(user),
5313 password, sizeof(password),
5314 NULL, 0)) {
5315 errno = EINVAL;
5316 return -1;
5317 }
5318
5319 if (user[0] == (char)0) fstrcpy(user, context->user);
5320
5321 srv = smbc_server(context, True,
5322 server, share, workgroup, user, password);
5323 if (!srv) {
5324 return -1; /* errno set by smbc_server */
5325 }
5326
5327 if (! srv->no_nt_session) {
5328 ipc_srv = smbc_attr_server(context, server, share,
5329 workgroup, user, password,
5330 &pol);
5331 if (! ipc_srv) {
5332 srv->no_nt_session = True;
5333 }
5334 } else {
5335 ipc_srv = NULL;
5336 }
5337
5338 ctx = talloc_init("smbc_setxattr");
5339 if (!ctx) {
5340 errno = ENOMEM;
5341 return -1;
5342 }
5343
5344 /*
5345 * Are they asking to set the entire set of known attributes?
5346 */
5347 if (StrCaseCmp(name, "system.*") == 0 ||
5348 StrCaseCmp(name, "system.*+") == 0) {
5349 /* Yup. */
5350 char *namevalue =
5351 talloc_asprintf(ctx, "%s:%s",
5352 name+7, (const char *) value);
5353 if (! namevalue) {
5354 errno = ENOMEM;
5355 ret = -1;
5356 return -1;
5357 }
5358
5359 if (ipc_srv) {
5360 ret = cacl_set(ctx, srv->cli,
5361 ipc_srv->cli, &pol, path,
5362 namevalue,
5363 (*namevalue == '*'
5364 ? SMBC_XATTR_MODE_SET
5365 : SMBC_XATTR_MODE_ADD),
5366 flags);
5367 } else {
5368 ret = 0;
5369 }
5370
5371 /* get a DOS Attribute Descriptor with current attributes */
5372 dad = dos_attr_query(context, ctx, path, srv);
5373 if (dad) {
5374 /* Overwrite old with new, using what was provided */
5375 dos_attr_parse(context, dad, srv, namevalue);
5376
5377 /* Set the new DOS attributes */
5378 if (! smbc_setatr(context, srv, path,
5379 dad->create_time,
5380 dad->access_time,
5381 dad->write_time,
5382 dad->change_time,
5383 dad->mode)) {
5384
5385 /* cause failure if NT failed too */
5386 dad = NULL;
5387 }
5388 }
5389
5390 /* we only fail if both NT and DOS sets failed */
5391 if (ret < 0 && ! dad) {
5392 ret = -1; /* in case dad was null */
5393 }
5394 else {
5395 ret = 0;
5396 }
5397
5398 talloc_destroy(ctx);
5399 return ret;
5400 }
5401
5402 /*
5403 * Are they asking to set an access control element or to set
5404 * the entire access control list?
5405 */
5406 if (StrCaseCmp(name, "system.nt_sec_desc.*") == 0 ||
5407 StrCaseCmp(name, "system.nt_sec_desc.*+") == 0 ||
5408 StrCaseCmp(name, "system.nt_sec_desc.revision") == 0 ||
5409 StrnCaseCmp(name, "system.nt_sec_desc.acl", 22) == 0 ||
5410 StrnCaseCmp(name, "system.nt_sec_desc.acl+", 23) == 0) {
5411
5412 /* Yup. */
5413 char *namevalue =
5414 talloc_asprintf(ctx, "%s:%s",
5415 name+19, (const char *) value);
5416
5417 if (! ipc_srv) {
5418 ret = -1; /* errno set by smbc_server() */
5419 }
5420 else if (! namevalue) {
5421 errno = ENOMEM;
5422 ret = -1;
5423 } else {
5424 ret = cacl_set(ctx, srv->cli,
5425 ipc_srv->cli, &pol, path,
5426 namevalue,
5427 (*namevalue == '*'
5428 ? SMBC_XATTR_MODE_SET
5429 : SMBC_XATTR_MODE_ADD),
5430 flags);
5431 }
5432 talloc_destroy(ctx);
5433 return ret;
5434 }
5435
5436 /*
5437 * Are they asking to set the owner?
5438 */
5439 if (StrCaseCmp(name, "system.nt_sec_desc.owner") == 0 ||
5440 StrCaseCmp(name, "system.nt_sec_desc.owner+") == 0) {
5441
5442 /* Yup. */
5443 char *namevalue =
5444 talloc_asprintf(ctx, "%s:%s",
5445 name+19, (const char *) value);
5446
5447 if (! ipc_srv) {
5448
5449 ret = -1; /* errno set by smbc_server() */
5450 }
5451 else if (! namevalue) {
5452 errno = ENOMEM;
5453 ret = -1;
5454 } else {
5455 ret = cacl_set(ctx, srv->cli,
5456 ipc_srv->cli, &pol, path,
5457 namevalue, SMBC_XATTR_MODE_CHOWN, 0);
5458 }
5459 talloc_destroy(ctx);
5460 return ret;
5461 }
5462
5463 /*
5464 * Are they asking to set the group?
5465 */
5466 if (StrCaseCmp(name, "system.nt_sec_desc.group") == 0 ||
5467 StrCaseCmp(name, "system.nt_sec_desc.group+") == 0) {
5468
5469 /* Yup. */
5470 char *namevalue =
5471 talloc_asprintf(ctx, "%s:%s",
5472 name+19, (const char *) value);
5473
5474 if (! ipc_srv) {
5475 /* errno set by smbc_server() */
5476 ret = -1;
5477 }
5478 else if (! namevalue) {
5479 errno = ENOMEM;
5480 ret = -1;
5481 } else {
5482 ret = cacl_set(ctx, srv->cli,
5483 ipc_srv->cli, &pol, path,
5484 namevalue, SMBC_XATTR_MODE_CHOWN, 0);
5485 }
5486 talloc_destroy(ctx);
5487 return ret;
5488 }
5489
5490 /* Determine whether to use old-style or new-style attribute names */
5491 if (context->internal->_full_time_names) {
5492 /* new-style names */
5493 attr_strings.create_time_attr = "system.dos_attr.CREATE_TIME";
5494 attr_strings.access_time_attr = "system.dos_attr.ACCESS_TIME";
5495 attr_strings.write_time_attr = "system.dos_attr.WRITE_TIME";
5496 attr_strings.change_time_attr = "system.dos_attr.CHANGE_TIME";
5497 } else {
5498 /* old-style names */
5499 attr_strings.create_time_attr = NULL;
5500 attr_strings.access_time_attr = "system.dos_attr.A_TIME";
5501 attr_strings.write_time_attr = "system.dos_attr.M_TIME";
5502 attr_strings.change_time_attr = "system.dos_attr.C_TIME";
5503 }
5504
5505 /*
5506 * Are they asking to set a DOS attribute?
5507 */
5508 if (StrCaseCmp(name, "system.dos_attr.*") == 0 ||
5509 StrCaseCmp(name, "system.dos_attr.mode") == 0 ||
5510 (attr_strings.create_time_attr != NULL &&
5511 StrCaseCmp(name, attr_strings.create_time_attr) == 0) ||
5512 StrCaseCmp(name, attr_strings.access_time_attr) == 0 ||
5513 StrCaseCmp(name, attr_strings.write_time_attr) == 0 ||
5514 StrCaseCmp(name, attr_strings.change_time_attr) == 0) {
5515
5516 /* get a DOS Attribute Descriptor with current attributes */
5517 dad = dos_attr_query(context, ctx, path, srv);
5518 if (dad) {
5519 char *namevalue =
5520 talloc_asprintf(ctx, "%s:%s",
5521 name+16, (const char *) value);
5522 if (! namevalue) {
5523 errno = ENOMEM;
5524 ret = -1;
5525 } else {
5526 /* Overwrite old with provided new params */
5527 dos_attr_parse(context, dad, srv, namevalue);
5528
5529 /* Set the new DOS attributes */
5530 ret2 = smbc_setatr(context, srv, path,
5531 dad->create_time,
5532 dad->access_time,
5533 dad->write_time,
5534 dad->change_time,
5535 dad->mode);
5536
5537 /* ret2 has True (success) / False (failure) */
5538 if (ret2) {
5539 ret = 0;
5540 } else {
5541 ret = -1;
5542 }
5543 }
5544 } else {
5545 ret = -1;
5546 }
5547
5548 talloc_destroy(ctx);
5549 return ret;
5550 }
5551
5552 /* Unsupported attribute name */
5553 talloc_destroy(ctx);
5554 errno = EINVAL;
5555 return -1;
5556 }
5557
5558 static int
5559 smbc_getxattr_ctx(SMBCCTX *context,
5560 const char *fname,
5561 const char *name,
5562 const void *value,
5563 size_t size)
5564 {
5565 int ret;
5566 SMBCSRV *srv;
5567 SMBCSRV *ipc_srv;
5568 fstring server;
5569 fstring share;
5570 fstring user;
5571 fstring password;
5572 fstring workgroup;
5573 pstring path;
5574 TALLOC_CTX *ctx;
5575 POLICY_HND pol;
5576 struct {
5577 const char * create_time_attr;
5578 const char * access_time_attr;
5579 const char * write_time_attr;
5580 const char * change_time_attr;
5581 } attr_strings;
5582
5583
5584 if (!context || !context->internal ||
5585 !context->internal->_initialized) {
5586
5587 errno = EINVAL; /* Best I can think of ... */
5588 return -1;
5589
5590 }
5591
5592 if (!fname) {
5593
5594 errno = EINVAL;
5595 return -1;
5596
5597 }
5598
5599 DEBUG(4, ("smbc_getxattr(%s, %s)\n", fname, name));
5600
5601 if (smbc_parse_path(context, fname,
5602 workgroup, sizeof(workgroup),
5603 server, sizeof(server),
5604 share, sizeof(share),
5605 path, sizeof(path),
5606 user, sizeof(user),
5607 password, sizeof(password),
5608 NULL, 0)) {
5609 errno = EINVAL;
5610 return -1;
5611 }
5612
5613 if (user[0] == (char)0) fstrcpy(user, context->user);
5614
5615 srv = smbc_server(context, True,
5616 server, share, workgroup, user, password);
5617 if (!srv) {
5618 return -1; /* errno set by smbc_server */
5619 }
5620
5621 if (! srv->no_nt_session) {
5622 ipc_srv = smbc_attr_server(context, server, share,
5623 workgroup, user, password,
5624 &pol);
5625 if (! ipc_srv) {
5626 srv->no_nt_session = True;
5627 }
5628 } else {
5629 ipc_srv = NULL;
5630 }
5631
5632 ctx = talloc_init("smbc:getxattr");
5633 if (!ctx) {
5634 errno = ENOMEM;
5635 return -1;
5636 }
5637
5638 /* Determine whether to use old-style or new-style attribute names */
5639 if (context->internal->_full_time_names) {
5640 /* new-style names */
5641 attr_strings.create_time_attr = "system.dos_attr.CREATE_TIME";
5642 attr_strings.access_time_attr = "system.dos_attr.ACCESS_TIME";
5643 attr_strings.write_time_attr = "system.dos_attr.WRITE_TIME";
5644 attr_strings.change_time_attr = "system.dos_attr.CHANGE_TIME";
5645 } else {
5646 /* old-style names */
5647 attr_strings.create_time_attr = NULL;
5648 attr_strings.access_time_attr = "system.dos_attr.A_TIME";
5649 attr_strings.write_time_attr = "system.dos_attr.M_TIME";
5650 attr_strings.change_time_attr = "system.dos_attr.C_TIME";
5651 }
5652
5653 /* Are they requesting a supported attribute? */
5654 if (StrCaseCmp(name, "system.*") == 0 ||
5655 StrnCaseCmp(name, "system.*!", 9) == 0 ||
5656 StrCaseCmp(name, "system.*+") == 0 ||
5657 StrnCaseCmp(name, "system.*+!", 10) == 0 ||
5658 StrCaseCmp(name, "system.nt_sec_desc.*") == 0 ||
5659 StrnCaseCmp(name, "system.nt_sec_desc.*!", 21) == 0 ||
5660 StrCaseCmp(name, "system.nt_sec_desc.*+") == 0 ||
5661 StrnCaseCmp(name, "system.nt_sec_desc.*+!", 22) == 0 ||
5662 StrCaseCmp(name, "system.nt_sec_desc.revision") == 0 ||
5663 StrCaseCmp(name, "system.nt_sec_desc.owner") == 0 ||
5664 StrCaseCmp(name, "system.nt_sec_desc.owner+") == 0 ||
5665 StrCaseCmp(name, "system.nt_sec_desc.group") == 0 ||
5666 StrCaseCmp(name, "system.nt_sec_desc.group+") == 0 ||
5667 StrnCaseCmp(name, "system.nt_sec_desc.acl", 22) == 0 ||
5668 StrnCaseCmp(name, "system.nt_sec_desc.acl+", 23) == 0 ||
5669 StrCaseCmp(name, "system.dos_attr.*") == 0 ||
5670 StrnCaseCmp(name, "system.dos_attr.*!", 18) == 0 ||
5671 StrCaseCmp(name, "system.dos_attr.mode") == 0 ||
5672 StrCaseCmp(name, "system.dos_attr.size") == 0 ||
5673 (attr_strings.create_time_attr != NULL &&
5674 StrCaseCmp(name, attr_strings.create_time_attr) == 0) ||
5675 StrCaseCmp(name, attr_strings.access_time_attr) == 0 ||
5676 StrCaseCmp(name, attr_strings.write_time_attr) == 0 ||
5677 StrCaseCmp(name, attr_strings.change_time_attr) == 0 ||
5678 StrCaseCmp(name, "system.dos_attr.inode") == 0) {
5679
5680 /* Yup. */
5681 ret = cacl_get(context, ctx, srv,
5682 ipc_srv == NULL ? NULL : ipc_srv->cli,
5683 &pol, path,
5684 CONST_DISCARD(char *, name),
5685 CONST_DISCARD(char *, value), size);
5686 if (ret < 0 && errno == 0) {
5687 errno = smbc_errno(context, srv->cli);
5688 }
5689 talloc_destroy(ctx);
5690 return ret;
5691 }
5692
5693 /* Unsupported attribute name */
5694 talloc_destroy(ctx);
5695 errno = EINVAL;
5696 return -1;
5697 }
5698
5699
5700 static int
5701 smbc_removexattr_ctx(SMBCCTX *context,
5702 const char *fname,
5703 const char *name)
5704 {
5705 int ret;
5706 SMBCSRV *srv;
5707 SMBCSRV *ipc_srv;
5708 fstring server;
5709 fstring share;
5710 fstring user;
5711 fstring password;
5712 fstring workgroup;
5713 pstring path;
5714 TALLOC_CTX *ctx;
5715 POLICY_HND pol;
5716
5717 if (!context || !context->internal ||
5718 !context->internal->_initialized) {
5719
5720 errno = EINVAL; /* Best I can think of ... */
5721 return -1;
5722
5723 }
5724
5725 if (!fname) {
5726
5727 errno = EINVAL;
5728 return -1;
5729
5730 }
5731
5732 DEBUG(4, ("smbc_removexattr(%s, %s)\n", fname, name));
5733
5734 if (smbc_parse_path(context, fname,
5735 workgroup, sizeof(workgroup),
5736 server, sizeof(server),
5737 share, sizeof(share),
5738 path, sizeof(path),
5739 user, sizeof(user),
5740 password, sizeof(password),
5741 NULL, 0)) {
5742 errno = EINVAL;
5743 return -1;
5744 }
5745
5746 if (user[0] == (char)0) fstrcpy(user, context->user);
5747
5748 srv = smbc_server(context, True,
5749 server, share, workgroup, user, password);
5750 if (!srv) {
5751 return -1; /* errno set by smbc_server */
5752 }
5753
5754 if (! srv->no_nt_session) {
5755 ipc_srv = smbc_attr_server(context, server, share,
5756 workgroup, user, password,
5757 &pol);
5758 if (! ipc_srv) {
5759 srv->no_nt_session = True;
5760 }
5761 } else {
5762 ipc_srv = NULL;
5763 }
5764
5765 if (! ipc_srv) {
5766 return -1; /* errno set by smbc_attr_server */
5767 }
5768
5769 ctx = talloc_init("smbc_removexattr");
5770 if (!ctx) {
5771 errno = ENOMEM;
5772 return -1;
5773 }
5774
5775 /* Are they asking to set the entire ACL? */
5776 if (StrCaseCmp(name, "system.nt_sec_desc.*") == 0 ||
5777 StrCaseCmp(name, "system.nt_sec_desc.*+") == 0) {
5778
5779 /* Yup. */
5780 ret = cacl_set(ctx, srv->cli,
5781 ipc_srv->cli, &pol, path,
5782 NULL, SMBC_XATTR_MODE_REMOVE_ALL, 0);
5783 talloc_destroy(ctx);
5784 return ret;
5785 }
5786
5787 /*
5788 * Are they asking to remove one or more spceific security descriptor
5789 * attributes?
5790 */
5791 if (StrCaseCmp(name, "system.nt_sec_desc.revision") == 0 ||
5792 StrCaseCmp(name, "system.nt_sec_desc.owner") == 0 ||
5793 StrCaseCmp(name, "system.nt_sec_desc.owner+") == 0 ||
5794 StrCaseCmp(name, "system.nt_sec_desc.group") == 0 ||
5795 StrCaseCmp(name, "system.nt_sec_desc.group+") == 0 ||
5796 StrnCaseCmp(name, "system.nt_sec_desc.acl", 22) == 0 ||
5797 StrnCaseCmp(name, "system.nt_sec_desc.acl+", 23) == 0) {
5798
5799 /* Yup. */
5800 ret = cacl_set(ctx, srv->cli,
5801 ipc_srv->cli, &pol, path,
5802 name + 19, SMBC_XATTR_MODE_REMOVE, 0);
5803 talloc_destroy(ctx);
5804 return ret;
5805 }
5806
5807 /* Unsupported attribute name */
5808 talloc_destroy(ctx);
5809 errno = EINVAL;
5810 return -1;
5811 }
5812
5813 static int
5814 smbc_listxattr_ctx(SMBCCTX *context,
5815 const char *fname,
5816 char *list,
5817 size_t size)
5818 {
5819 /*
5820 * This isn't quite what listxattr() is supposed to do. This returns
5821 * the complete set of attribute names, always, rather than only those
5822 * attribute names which actually exist for a file. Hmmm...
5823 */
5824 const char supported_old[] =
5825 "system.*\0"
5826 "system.*+\0"
5827 "system.nt_sec_desc.revision\0"
5828 "system.nt_sec_desc.owner\0"
5829 "system.nt_sec_desc.owner+\0"
5830 "system.nt_sec_desc.group\0"
5831 "system.nt_sec_desc.group+\0"
5832 "system.nt_sec_desc.acl.*\0"
5833 "system.nt_sec_desc.acl\0"
5834 "system.nt_sec_desc.acl+\0"
5835 "system.nt_sec_desc.*\0"
5836 "system.nt_sec_desc.*+\0"
5837 "system.dos_attr.*\0"
5838 "system.dos_attr.mode\0"
5839 "system.dos_attr.c_time\0"
5840 "system.dos_attr.a_time\0"
5841 "system.dos_attr.m_time\0"
5842 ;
5843 const char supported_new[] =
5844 "system.*\0"
5845 "system.*+\0"
5846 "system.nt_sec_desc.revision\0"
5847 "system.nt_sec_desc.owner\0"
5848 "system.nt_sec_desc.owner+\0"
5849 "system.nt_sec_desc.group\0"
5850 "system.nt_sec_desc.group+\0"
5851 "system.nt_sec_desc.acl.*\0"
5852 "system.nt_sec_desc.acl\0"
5853 "system.nt_sec_desc.acl+\0"
5854 "system.nt_sec_desc.*\0"
5855 "system.nt_sec_desc.*+\0"
5856 "system.dos_attr.*\0"
5857 "system.dos_attr.mode\0"
5858 "system.dos_attr.create_time\0"
5859 "system.dos_attr.access_time\0"
5860 "system.dos_attr.write_time\0"
5861 "system.dos_attr.change_time\0"
5862 ;
5863 const char * supported;
5864
5865 if (context->internal->_full_time_names) {
5866 supported = supported_new;
5867 } else {
5868 supported = supported_old;
5869 }
5870
5871 if (size == 0) {
5872 return sizeof(supported);
5873 }
5874
5875 if (sizeof(supported) > size) {
5876 errno = ERANGE;
5877 return -1;
5878 }
5879
5880 /* this can't be strcpy() because there are embedded null characters */
5881 memcpy(list, supported, sizeof(supported));
5882 return sizeof(supported);
5883 }
5884
5885
5886 /*
5887 * Open a print file to be written to by other calls
5888 */
5889
5890 static SMBCFILE *
5891 smbc_open_print_job_ctx(SMBCCTX *context,
5892 const char *fname)
5893 {
5894 fstring server;
5895 fstring share;
5896 fstring user;
5897 fstring password;
5898 pstring path;
5899
5900 if (!context || !context->internal ||
5901 !context->internal->_initialized) {
5902
5903 errno = EINVAL;
5904 return NULL;
5905
5906 }
5907
5908 if (!fname) {
5909
5910 errno = EINVAL;
5911 return NULL;
5912
5913 }
5914
5915 DEBUG(4, ("smbc_open_print_job_ctx(%s)\n", fname));
5916
5917 if (smbc_parse_path(context, fname,
5918 NULL, 0,
5919 server, sizeof(server),
5920 share, sizeof(share),
5921 path, sizeof(path),
5922 user, sizeof(user),
5923 password, sizeof(password),
5924 NULL, 0)) {
5925 errno = EINVAL;
5926 return NULL;
5927 }
5928
5929 /* What if the path is empty, or the file exists? */
5930
5931 return context->open(context, fname, O_WRONLY, 666);
5932
5933 }
5934
5935 /*
5936 * Routine to print a file on a remote server ...
5937 *
5938 * We open the file, which we assume to be on a remote server, and then
5939 * copy it to a print file on the share specified by printq.
5940 */
5941
5942 static int
5943 smbc_print_file_ctx(SMBCCTX *c_file,
5944 const char *fname,
5945 SMBCCTX *c_print,
5946 const char *printq)
5947 {
5948 SMBCFILE *fid1;
5949 SMBCFILE *fid2;
5950 int bytes;
5951 int saverr;
5952 int tot_bytes = 0;
5953 char buf[4096];
5954
5955 if (!c_file || !c_file->internal->_initialized || !c_print ||
5956 !c_print->internal->_initialized) {
5957
5958 errno = EINVAL;
5959 return -1;
5960
5961 }
5962
5963 if (!fname && !printq) {
5964
5965 errno = EINVAL;
5966 return -1;
5967
5968 }
5969
5970 /* Try to open the file for reading ... */
5971
5972 if ((long)(fid1 = c_file->open(c_file, fname, O_RDONLY, 0666)) < 0) {
5973
5974 DEBUG(3, ("Error, fname=%s, errno=%i\n", fname, errno));
5975 return -1; /* smbc_open sets errno */
5976
5977 }
5978
5979 /* Now, try to open the printer file for writing */
5980
5981 if ((long)(fid2 = c_print->open_print_job(c_print, printq)) < 0) {
5982
5983 saverr = errno; /* Save errno */
5984 c_file->close_fn(c_file, fid1);
5985 errno = saverr;
5986 return -1;
5987
5988 }
5989
5990 while ((bytes = c_file->read(c_file, fid1, buf, sizeof(buf))) > 0) {
5991
5992 tot_bytes += bytes;
5993
5994 if ((c_print->write(c_print, fid2, buf, bytes)) < 0) {
5995
5996 saverr = errno;
5997 c_file->close_fn(c_file, fid1);
5998 c_print->close_fn(c_print, fid2);
5999 errno = saverr;
6000
6001 }
6002
6003 }
6004
6005 saverr = errno;
6006
6007 c_file->close_fn(c_file, fid1); /* We have to close these anyway */
6008 c_print->close_fn(c_print, fid2);
6009
6010 if (bytes < 0) {
6011
6012 errno = saverr;
6013 return -1;
6014
6015 }
6016
6017 return tot_bytes;
6018
6019 }
6020
6021 /*
6022 * Routine to list print jobs on a printer share ...
6023 */
6024
6025 static int
6026 smbc_list_print_jobs_ctx(SMBCCTX *context,
6027 const char *fname,
6028 smbc_list_print_job_fn fn)
6029 {
6030 SMBCSRV *srv;
6031 fstring server;
6032 fstring share;
6033 fstring user;
6034 fstring password;
6035 fstring workgroup;
6036 pstring path;
6037
6038 if (!context || !context->internal ||
6039 !context->internal->_initialized) {
6040
6041 errno = EINVAL;
6042 return -1;
6043
6044 }
6045
6046 if (!fname) {
6047
6048 errno = EINVAL;
6049 return -1;
6050
6051 }
6052
6053 DEBUG(4, ("smbc_list_print_jobs(%s)\n", fname));
6054
6055 if (smbc_parse_path(context, fname,
6056 workgroup, sizeof(workgroup),
6057 server, sizeof(server),
6058 share, sizeof(share),
6059 path, sizeof(path),
6060 user, sizeof(user),
6061 password, sizeof(password),
6062 NULL, 0)) {
6063 errno = EINVAL;
6064 return -1;
6065 }
6066
6067 if (user[0] == (char)0) fstrcpy(user, context->user);
6068
6069 srv = smbc_server(context, True,
6070 server, share, workgroup, user, password);
6071
6072 if (!srv) {
6073
6074 return -1; /* errno set by smbc_server */
6075
6076 }
6077
6078 if (cli_print_queue(srv->cli,
6079 (void (*)(struct print_job_info *))fn) < 0) {
6080
6081 errno = smbc_errno(context, srv->cli);
6082 return -1;
6083
6084 }
6085
6086 return 0;
6087
6088 }
6089
6090 /*
6091 * Delete a print job from a remote printer share
6092 */
6093
6094 static int
6095 smbc_unlink_print_job_ctx(SMBCCTX *context,
6096 const char *fname,
6097 int id)
6098 {
6099 SMBCSRV *srv;
6100 fstring server;
6101 fstring share;
6102 fstring user;
6103 fstring password;
6104 fstring workgroup;
6105 pstring path;
6106 int err;
6107
6108 if (!context || !context->internal ||
6109 !context->internal->_initialized) {
6110
6111 errno = EINVAL;
6112 return -1;
6113
6114 }
6115
6116 if (!fname) {
6117
6118 errno = EINVAL;
6119 return -1;
6120
6121 }
6122
6123 DEBUG(4, ("smbc_unlink_print_job(%s)\n", fname));
6124
6125 if (smbc_parse_path(context, fname,
6126 workgroup, sizeof(workgroup),
6127 server, sizeof(server),
6128 share, sizeof(share),
6129 path, sizeof(path),
6130 user, sizeof(user),
6131 password, sizeof(password),
6132 NULL, 0)) {
6133 errno = EINVAL;
6134 return -1;
6135 }
6136
6137 if (user[0] == (char)0) fstrcpy(user, context->user);
6138
6139 srv = smbc_server(context, True,
6140 server, share, workgroup, user, password);
6141
6142 if (!srv) {
6143
6144 return -1; /* errno set by smbc_server */
6145
6146 }
6147
6148 if ((err = cli_printjob_del(srv->cli, id)) != 0) {
6149
6150 if (err < 0)
6151 errno = smbc_errno(context, srv->cli);
6152 else if (err == ERRnosuchprintjob)
6153 errno = EINVAL;
6154 return -1;
6155
6156 }
6157
6158 return 0;
6159
6160 }
6161
6162 /*
6163 * Get a new empty handle to fill in with your own info
6164 */
6165 SMBCCTX *
6166 smbc_new_context(void)
6167 {
6168 SMBCCTX *context;
6169
6170 context = SMB_MALLOC_P(SMBCCTX);
6171 if (!context) {
6172 errno = ENOMEM;
6173 return NULL;
6174 }
6175
6176 ZERO_STRUCTP(context);
6177
6178 context->internal = SMB_MALLOC_P(struct smbc_internal_data);
6179 if (!context->internal) {
6180 SAFE_FREE(context);
6181 errno = ENOMEM;
6182 return NULL;
6183 }
6184
6185 ZERO_STRUCTP(context->internal);
6186
6187
6188 /* ADD REASONABLE DEFAULTS */
6189 context->debug = 0;
6190 context->timeout = 20000; /* 20 seconds */
6191
6192 context->options.browse_max_lmb_count = 3; /* # LMBs to query */
6193 context->options.urlencode_readdir_entries = False;/* backward compat */
6194 context->options.one_share_per_server = False;/* backward compat */
6195 context->internal->_share_mode = SMBC_SHAREMODE_DENY_NONE;
6196 /* backward compat */
6197
6198 context->open = smbc_open_ctx;
6199 context->creat = smbc_creat_ctx;
6200 context->read = smbc_read_ctx;
6201 context->write = smbc_write_ctx;
6202 context->close_fn = smbc_close_ctx;
6203 context->unlink = smbc_unlink_ctx;
6204 context->rename = smbc_rename_ctx;
6205 context->lseek = smbc_lseek_ctx;
6206 context->stat = smbc_stat_ctx;
6207 context->fstat = smbc_fstat_ctx;
6208 context->opendir = smbc_opendir_ctx;
6209 context->closedir = smbc_closedir_ctx;
6210 context->readdir = smbc_readdir_ctx;
6211 context->getdents = smbc_getdents_ctx;
6212 context->mkdir = smbc_mkdir_ctx;
6213 context->rmdir = smbc_rmdir_ctx;
6214 context->telldir = smbc_telldir_ctx;
6215 context->lseekdir = smbc_lseekdir_ctx;
6216 context->fstatdir = smbc_fstatdir_ctx;
6217 context->chmod = smbc_chmod_ctx;
6218 context->utimes = smbc_utimes_ctx;
6219 context->setxattr = smbc_setxattr_ctx;
6220 context->getxattr = smbc_getxattr_ctx;
6221 context->removexattr = smbc_removexattr_ctx;
6222 context->listxattr = smbc_listxattr_ctx;
6223 context->open_print_job = smbc_open_print_job_ctx;
6224 context->print_file = smbc_print_file_ctx;
6225 context->list_print_jobs = smbc_list_print_jobs_ctx;
6226 context->unlink_print_job = smbc_unlink_print_job_ctx;
6227
6228 context->callbacks.check_server_fn = smbc_check_server;
6229 context->callbacks.remove_unused_server_fn = smbc_remove_unused_server;
6230
6231 smbc_default_cache_functions(context);
6232
6233 return context;
6234 }
6235
6236 /*
6237 * Free a context
6238 *
6239 * Returns 0 on success. Otherwise returns 1, the SMBCCTX is _not_ freed
6240 * and thus you'll be leaking memory if not handled properly.
6241 *
6242 */
6243 int
6244 smbc_free_context(SMBCCTX *context,
6245 int shutdown_ctx)
6246 {
6247 if (!context) {
6248 errno = EBADF;
6249 return 1;
6250 }
6251
6252 if (shutdown_ctx) {
6253 SMBCFILE * f;
6254 DEBUG(1,("Performing aggressive shutdown.\n"));
6255
6256 f = context->internal->_files;
6257 while (f) {
6258 context->close_fn(context, f);
6259 f = f->next;
6260 }
6261 context->internal->_files = NULL;
6262
6263 /* First try to remove the servers the nice way. */
6264 if (context->callbacks.purge_cached_fn(context)) {
6265 SMBCSRV * s;
6266 SMBCSRV * next;
6267 DEBUG(1, ("Could not purge all servers, "
6268 "Nice way shutdown failed.\n"));
6269 s = context->internal->_servers;
6270 while (s) {
6271 DEBUG(1, ("Forced shutdown: %p (fd=%d)\n",
6272 s, s->cli->fd));
6273 cli_shutdown(s->cli);
6274 context->callbacks.remove_cached_srv_fn(context,
6275 s);
6276 next = s->next;
6277 DLIST_REMOVE(context->internal->_servers, s);
6278 SAFE_FREE(s);
6279 s = next;
6280 }
6281 context->internal->_servers = NULL;
6282 }
6283 }
6284 else {
6285 /* This is the polite way */
6286 if (context->callbacks.purge_cached_fn(context)) {
6287 DEBUG(1, ("Could not purge all servers, "
6288 "free_context failed.\n"));
6289 errno = EBUSY;
6290 return 1;
6291 }
6292 if (context->internal->_servers) {
6293 DEBUG(1, ("Active servers in context, "
6294 "free_context failed.\n"));
6295 errno = EBUSY;
6296 return 1;
6297 }
6298 if (context->internal->_files) {
6299 DEBUG(1, ("Active files in context, "
6300 "free_context failed.\n"));
6301 errno = EBUSY;
6302 return 1;
6303 }
6304 }
6305
6306 /* Things we have to clean up */
6307 SAFE_FREE(context->workgroup);
6308 SAFE_FREE(context->netbios_name);
6309 SAFE_FREE(context->user);
6310
6311 DEBUG(3, ("Context %p succesfully freed\n", context));
6312 SAFE_FREE(context->internal);
6313 SAFE_FREE(context);
6314 return 0;
6315 }
6316
6317
6318 /*
6319 * Each time the context structure is changed, we have binary backward
6320 * compatibility issues. Instead of modifying the public portions of the
6321 * context structure to add new options, instead, we put them in the internal
6322 * portion of the context structure and provide a set function for these new
6323 * options.
6324 */
6325 void
6326 smbc_option_set(SMBCCTX *context,
6327 char *option_name,
6328 ... /* option_value */)
6329 {
6330 va_list ap;
6331 union {
6332 int i;
6333 BOOL b;
6334 smbc_get_auth_data_with_context_fn auth_fn;
6335 void *v;
6336 } option_value;
6337
6338 va_start(ap, option_name);
6339
6340 if (strcmp(option_name, "debug_to_stderr") == 0) {
6341 /*
6342 * Log to standard error instead of standard output.
6343 */
6344 option_value.b = (BOOL) va_arg(ap, int);
6345 context->internal->_debug_stderr = option_value.b;
6346
6347 } else if (strcmp(option_name, "full_time_names") == 0) {
6348 /*
6349 * Use new-style time attribute names, e.g. WRITE_TIME rather
6350 * than the old-style names such as M_TIME. This allows also
6351 * setting/getting CREATE_TIME which was previously
6352 * unimplemented. (Note that the old C_TIME was supposed to
6353 * be CHANGE_TIME but was confused and sometimes referred to
6354 * CREATE_TIME.)
6355 */
6356 option_value.b = (BOOL) va_arg(ap, int);
6357 context->internal->_full_time_names = option_value.b;
6358
6359 } else if (strcmp(option_name, "open_share_mode") == 0) {
6360 /*
6361 * The share mode to use for files opened with
6362 * smbc_open_ctx(). The default is SMBC_SHAREMODE_DENY_NONE.
6363 */
6364 option_value.i = va_arg(ap, int);
6365 context->internal->_share_mode =
6366 (smbc_share_mode) option_value.i;
6367
6368 } else if (strcmp(option_name, "auth_function") == 0) {
6369 /*
6370 * Use the new-style authentication function which includes
6371 * the context.
6372 */
6373 option_value.auth_fn =
6374 va_arg(ap, smbc_get_auth_data_with_context_fn);
6375 context->internal->_auth_fn_with_context =
6376 option_value.auth_fn;
6377 } else if (strcmp(option_name, "user_data") == 0) {
6378 /*
6379 * Save a user data handle which may be retrieved by the user
6380 * with smbc_option_get()
6381 */
6382 option_value.v = va_arg(ap, void *);
6383 context->internal->_user_data = option_value.v;
6384 }
6385
6386 va_end(ap);
6387 }
6388
6389
6390 /*
6391 * Retrieve the current value of an option
6392 */
6393 void *
6394 smbc_option_get(SMBCCTX *context,
6395 char *option_name)
6396 {
6397 if (strcmp(option_name, "debug_stderr") == 0) {
6398 /*
6399 * Log to standard error instead of standard output.
6400 */
6401 #if defined(__intptr_t_defined) || defined(HAVE_INTPTR_T)
6402 return (void *) (intptr_t) context->internal->_debug_stderr;
6403 #else
6404 return (void *) context->internal->_debug_stderr;
6405 #endif
6406 } else if (strcmp(option_name, "full_time_names") == 0) {
6407 /*
6408 * Use new-style time attribute names, e.g. WRITE_TIME rather
6409 * than the old-style names such as M_TIME. This allows also
6410 * setting/getting CREATE_TIME which was previously
6411 * unimplemented. (Note that the old C_TIME was supposed to
6412 * be CHANGE_TIME but was confused and sometimes referred to
6413 * CREATE_TIME.)
6414 */
6415 #if defined(__intptr_t_defined) || defined(HAVE_INTPTR_T)
6416 return (void *) (intptr_t) context->internal->_full_time_names;
6417 #else
6418 return (void *) context->internal->_full_time_names;
6419 #endif
6420
6421 } else if (strcmp(option_name, "auth_function") == 0) {
6422 /*
6423 * Use the new-style authentication function which includes
6424 * the context.
6425 */
6426 return (void *) context->internal->_auth_fn_with_context;
6427 } else if (strcmp(option_name, "user_data") == 0) {
6428 /*
6429 * Save a user data handle which may be retrieved by the user
6430 * with smbc_option_get()
6431 */
6432 return context->internal->_user_data;
6433 }
6434
6435 return NULL;
6436 }
6437
6438
6439 /*
6440 * Initialise the library etc
6441 *
6442 * We accept a struct containing handle information.
6443 * valid values for info->debug from 0 to 100,
6444 * and insist that info->fn must be non-null.
6445 */
6446 SMBCCTX *
6447 smbc_init_context(SMBCCTX *context)
6448 {
6449 pstring conf;
6450 int pid;
6451 char *user = NULL;
6452 char *home = NULL;
6453
6454 if (!context || !context->internal) {
6455 errno = EBADF;
6456 return NULL;
6457 }
6458
6459 /* Do not initialise the same client twice */
6460 if (context->internal->_initialized) {
6461 return 0;
6462 }
6463
6464 if ((!context->callbacks.auth_fn &&
6465 !context->internal->_auth_fn_with_context) ||
6466 context->debug < 0 ||
6467 context->debug > 100) {
6468
6469 errno = EINVAL;
6470 return NULL;
6471
6472 }
6473
6474 if (!smbc_initialized) {
6475 /*
6476 * Do some library-wide intializations the first time we get
6477 * called
6478 */
6479 BOOL conf_loaded = False;
6480
6481 /* Set this to what the user wants */
6482 DEBUGLEVEL = context->debug;
6483
6484 load_case_tables();
6485
6486 setup_logging("libsmbclient", True);
6487 if (context->internal->_debug_stderr) {
6488 dbf = x_stderr;
6489 x_setbuf(x_stderr, NULL);
6490 }
6491
6492 /* Here we would open the smb.conf file if needed ... */
6493
6494 in_client = True; /* FIXME, make a param */
6495
6496 home = getenv("HOME");
6497 if (home) {
6498 slprintf(conf, sizeof(conf), "%s/.smb/smb.conf", home);
6499 if (lp_load(conf, True, False, False, True)) {
6500 conf_loaded = True;
6501 } else {
6502 DEBUG(5, ("Could not load config file: %s\n",
6503 conf));
6504 }
6505 }
6506
6507 if (!conf_loaded) {
6508 /*
6509 * Well, if that failed, try the dyn_CONFIGFILE
6510 * Which points to the standard locn, and if that
6511 * fails, silently ignore it and use the internal
6512 * defaults ...
6513 */
6514
6515 if (!lp_load(dyn_CONFIGFILE, True, False, False, False)) {
6516 DEBUG(5, ("Could not load config file: %s\n",
6517 dyn_CONFIGFILE));
6518 } else if (home) {
6519 /*
6520 * We loaded the global config file. Now lets
6521 * load user-specific modifications to the
6522 * global config.
6523 */
6524 slprintf(conf, sizeof(conf),
6525 "%s/.smb/smb.conf.append", home);
6526 if (!lp_load(conf, True, False, False, False)) {
6527 DEBUG(10,
6528 ("Could not append config file: "
6529 "%s\n",
6530 conf));
6531 }
6532 }
6533 }
6534
6535 load_interfaces(); /* Load the list of interfaces ... */
6536
6537 reopen_logs(); /* Get logging working ... */
6538
6539 /*
6540 * Block SIGPIPE (from lib/util_sock.c: write())
6541 * It is not needed and should not stop execution
6542 */
6543 BlockSignals(True, SIGPIPE);
6544
6545 /* Done with one-time initialisation */
6546 smbc_initialized = 1;
6547
6548 }
6549
6550 if (!context->user) {
6551 /*
6552 * FIXME: Is this the best way to get the user info?
6553 */
6554 user = getenv("USER");
6555 /* walk around as "guest" if no username can be found */
6556 if (!user) context->user = SMB_STRDUP("guest");
6557 else context->user = SMB_STRDUP(user);
6558 }
6559
6560 if (!context->netbios_name) {
6561 /*
6562 * We try to get our netbios name from the config. If that
6563 * fails we fall back on constructing our netbios name from
6564 * our hostname etc
6565 */
6566 if (global_myname()) {
6567 context->netbios_name = SMB_STRDUP(global_myname());
6568 }
6569 else {
6570 /*
6571 * Hmmm, I want to get hostname as well, but I am too
6572 * lazy for the moment
6573 */
6574 pid = sys_getpid();
6575 context->netbios_name = (char *)SMB_MALLOC(17);
6576 if (!context->netbios_name) {
6577 errno = ENOMEM;
6578 return NULL;
6579 }
6580 slprintf(context->netbios_name, 16,
6581 "smbc%s%d", context->user, pid);
6582 }
6583 }
6584
6585 DEBUG(1, ("Using netbios name %s.\n", context->netbios_name));
6586
6587 if (!context->workgroup) {
6588 if (lp_workgroup()) {
6589 context->workgroup = SMB_STRDUP(lp_workgroup());
6590 }
6591 else {
6592 /* TODO: Think about a decent default workgroup */
6593 context->workgroup = SMB_STRDUP("samba");
6594 }
6595 }
6596
6597 DEBUG(1, ("Using workgroup %s.\n", context->workgroup));
6598
6599 /* shortest timeout is 1 second */
6600 if (context->timeout > 0 && context->timeout < 1000)
6601 context->timeout = 1000;
6602
6603 /*
6604 * FIXME: Should we check the function pointers here?
6605 */
6606
6607 context->internal->_initialized = True;
6608
6609 return context;
6610 }
6611
6612
6613 /* Return the verion of samba, and thus libsmbclient */
6614 const char *
6615 smbc_version(void)
6616 {
6617 return samba_version_string();
6618 }
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