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r18012: Should fix bug 4018.
[Samba.git] / source / libsmb / libsmbclient.c
blob95a9da8487aeb6841b2feb0e22ff00f3a4ed679e
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 2 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, write to the Free Software
22 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 */
24
25 #include "includes.h"
26
27 #include "include/libsmb_internal.h"
28
29
30 /*
31 * DOS Attribute values (used internally)
32 */
33 typedef struct DOS_ATTR_DESC {
34 int mode;
35 SMB_OFF_T size;
36 time_t create_time;
37 time_t access_time;
38 time_t write_time;
39 time_t change_time;
40 SMB_INO_T inode;
41 } DOS_ATTR_DESC;
42
43
44 /*
45 * Internal flags for extended attributes
46 */
47
48 /* internal mode values */
49 #define SMBC_XATTR_MODE_ADD 1
50 #define SMBC_XATTR_MODE_REMOVE 2
51 #define SMBC_XATTR_MODE_REMOVE_ALL 3
52 #define SMBC_XATTR_MODE_SET 4
53 #define SMBC_XATTR_MODE_CHOWN 5
54 #define SMBC_XATTR_MODE_CHGRP 6
55
56 #define CREATE_ACCESS_READ READ_CONTROL_ACCESS
57
58 /*We should test for this in configure ... */
59 #ifndef ENOTSUP
60 #define ENOTSUP EOPNOTSUPP
61 #endif
62
63 /*
64 * Functions exported by libsmb_cache.c that we need here
65 */
66 int smbc_default_cache_functions(SMBCCTX *context);
67
68 /*
69 * check if an element is part of the list.
70 * FIXME: Does not belong here !
71 * Can anyone put this in a macro in dlinklist.h ?
72 * -- Tom
73 */
74 static int DLIST_CONTAINS(SMBCFILE * list, SMBCFILE *p) {
75 if (!p || !list) return False;
76 do {
77 if (p == list) return True;
78 list = list->next;
79 } while (list);
80 return False;
81 }
82
83 /*
84 * Find an lsa pipe handle associated with a cli struct.
85 */
86 static struct rpc_pipe_client *
87 find_lsa_pipe_hnd(struct cli_state *ipc_cli)
88 {
89 struct rpc_pipe_client *pipe_hnd;
90
91 for (pipe_hnd = ipc_cli->pipe_list;
92 pipe_hnd;
93 pipe_hnd = pipe_hnd->next) {
94
95 if (pipe_hnd->pipe_idx == PI_LSARPC) {
96 return pipe_hnd;
97 }
98 }
99
100 return NULL;
101 }
102
103 static int
104 smbc_close_ctx(SMBCCTX *context,
105 SMBCFILE *file);
106 static off_t
107 smbc_lseek_ctx(SMBCCTX *context,
108 SMBCFILE *file,
109 off_t offset,
110 int whence);
111
112 extern BOOL in_client;
113
114 /*
115 * Is the logging working / configfile read ?
116 */
117 static int smbc_initialized = 0;
118
119 static int
120 hex2int( unsigned int _char )
121 {
122 if ( _char >= 'A' && _char <='F')
123 return _char - 'A' + 10;
124 if ( _char >= 'a' && _char <='f')
125 return _char - 'a' + 10;
126 if ( _char >= '0' && _char <='9')
127 return _char - '0';
128 return -1;
129 }
130
131 /*
132 * smbc_urldecode()
133 *
134 * Convert strings of %xx to their single character equivalent. Each 'x' must
135 * be a valid hexadecimal digit, or that % sequence is left undecoded.
136 *
137 * dest may, but need not be, the same pointer as src.
138 *
139 * Returns the number of % sequences which could not be converted due to lack
140 * of two following hexadecimal digits.
141 */
142 int
143 smbc_urldecode(char *dest, char * src, size_t max_dest_len)
144 {
145 int old_length = strlen(src);
146 int i = 0;
147 int err_count = 0;
148 pstring temp;
149 char * p;
150
151 if ( old_length == 0 ) {
152 return 0;
153 }
154
155 p = temp;
156 while ( i < old_length ) {
157 unsigned char character = src[ i++ ];
158
159 if (character == '%') {
160 int a = i+1 < old_length ? hex2int( src[i] ) : -1;
161 int b = i+1 < old_length ? hex2int( src[i+1] ) : -1;
162
163 /* Replace valid sequence */
164 if (a != -1 && b != -1) {
165
166 /* Replace valid %xx sequence with %dd */
167 character = (a * 16) + b;
168
169 if (character == '\0') {
170 break; /* Stop at %00 */
171 }
172
173 i += 2;
174 } else {
175
176 err_count++;
177 }
178 }
179
180 *p++ = character;
181 }
182
183 *p = '\0';
184
185 strncpy(dest, temp, max_dest_len - 1);
186 dest[max_dest_len - 1] = '\0';
187
188 return err_count;
189 }
190
191 /*
192 * smbc_urlencode()
193 *
194 * Convert any characters not specifically allowed in a URL into their %xx
195 * equivalent.
196 *
197 * Returns the remaining buffer length.
198 */
199 int
200 smbc_urlencode(char * dest, char * src, int max_dest_len)
201 {
202 char hex[] = "0123456789ABCDEF";
203
204 for (; *src != '\0' && max_dest_len >= 3; src++) {
205
206 if ((*src < '0' &&
207 *src != '-' &&
208 *src != '.') ||
209 (*src > '9' &&
210 *src < 'A') ||
211 (*src > 'Z' &&
212 *src < 'a' &&
213 *src != '_') ||
214 (*src > 'z')) {
215 *dest++ = '%';
216 *dest++ = hex[(*src >> 4) & 0x0f];
217 *dest++ = hex[*src & 0x0f];
218 max_dest_len -= 3;
219 } else {
220 *dest++ = *src;
221 max_dest_len--;
222 }
223 }
224
225 *dest++ = '\0';
226 max_dest_len--;
227
228 return max_dest_len;
229 }
230
231 /*
232 * Function to parse a path and turn it into components
233 *
234 * The general format of an SMB URI is explain in Christopher Hertel's CIFS
235 * book, at http://ubiqx.org/cifs/Appendix-D.html. We accept a subset of the
236 * general format ("smb:" only; we do not look for "cifs:").
237 *
238 *
239 * We accept:
240 * smb://[[[domain;]user[:password]@]server[/share[/path[/file]]]][?options]
241 *
242 * Meaning of URLs:
243 *
244 * smb:// Show all workgroups.
245 *
246 * The method of locating the list of workgroups varies
247 * depending upon the setting of the context variable
248 * context->options.browse_max_lmb_count. This value
249 * determine the maximum number of local master browsers to
250 * query for the list of workgroups. In order to ensure that
251 * a complete list of workgroups is obtained, all master
252 * browsers must be queried, but if there are many
253 * workgroups, the time spent querying can begin to add up.
254 * For small networks (not many workgroups), it is suggested
255 * that this variable be set to 0, indicating query all local
256 * master browsers. When the network has many workgroups, a
257 * reasonable setting for this variable might be around 3.
258 *
259 * smb://name/ if name<1D> or name<1B> exists, list servers in
260 * workgroup, else, if name<20> exists, list all shares
261 * for server ...
262 *
263 * If "options" are provided, this function returns the entire option list as a
264 * string, for later parsing by the caller. Note that currently, no options
265 * are supported.
266 */
267
268 static const char *smbc_prefix = "smb:";
269
270 static int
271 smbc_parse_path(SMBCCTX *context,
272 const char *fname,
273 char *workgroup, int workgroup_len,
274 char *server, int server_len,
275 char *share, int share_len,
276 char *path, int path_len,
277 char *user, int user_len,
278 char *password, int password_len,
279 char *options, int options_len)
280 {
281 static pstring s;
282 pstring userinfo;
283 const char *p;
284 char *q, *r;
285 int len;
286
287 server[0] = share[0] = path[0] = user[0] = password[0] = (char)0;
288
289 /*
290 * Assume we wont find an authentication domain to parse, so default
291 * to the workgroup in the provided context.
292 */
293 if (workgroup != NULL) {
294 strncpy(workgroup, context->workgroup, workgroup_len - 1);
295 workgroup[workgroup_len - 1] = '\0';
296 }
297
298 if (options != NULL && options_len > 0) {
299 options[0] = (char)0;
300 }
301 pstrcpy(s, fname);
302
303 /* see if it has the right prefix */
304 len = strlen(smbc_prefix);
305 if (strncmp(s,smbc_prefix,len) || (s[len] != '/' && s[len] != 0)) {
306 return -1; /* What about no smb: ? */
307 }
308
309 p = s + len;
310
311 /* Watch the test below, we are testing to see if we should exit */
312
313 if (strncmp(p, "//", 2) && strncmp(p, "\\\\", 2)) {
314
315 DEBUG(1, ("Invalid path (does not begin with smb://"));
316 return -1;
317
318 }
319
320 p += 2; /* Skip the double slash */
321
322 /* See if any options were specified */
323 if ((q = strrchr(p, '?')) != NULL ) {
324 /* There are options. Null terminate here and point to them */
325 *q++ = '\0';
326
327 DEBUG(4, ("Found options '%s'", q));
328
329 /* Copy the options */
330 if (options != NULL && options_len > 0) {
331 safe_strcpy(options, q, options_len - 1);
332 }
333 }
334
335 if (*p == (char)0)
336 goto decoding;
337
338 if (*p == '/') {
339
340 strncpy(server, context->workgroup,
341 ((strlen(context->workgroup) < 16)
342 ? strlen(context->workgroup)
343 : 16));
344 server[server_len - 1] = '\0';
345 return 0;
346
347 }
348
349 /*
350 * ok, its for us. Now parse out the server, share etc.
351 *
352 * However, we want to parse out [[domain;]user[:password]@] if it
353 * exists ...
354 */
355
356 /* check that '@' occurs before '/', if '/' exists at all */
357 q = strchr_m(p, '@');
358 r = strchr_m(p, '/');
359 if (q && (!r || q < r)) {
360 pstring username, passwd, domain;
361 const char *u = userinfo;
362
363 next_token_no_ltrim(&p, userinfo, "@", sizeof(fstring));
364
365 username[0] = passwd[0] = domain[0] = 0;
366
367 if (strchr_m(u, ';')) {
368
369 next_token_no_ltrim(&u, domain, ";", sizeof(fstring));
370
371 }
372
373 if (strchr_m(u, ':')) {
374
375 next_token_no_ltrim(&u, username, ":", sizeof(fstring));
376
377 pstrcpy(passwd, u);
378
379 }
380 else {
381
382 pstrcpy(username, u);
383
384 }
385
386 if (domain[0] && workgroup) {
387 strncpy(workgroup, domain, workgroup_len - 1);
388 workgroup[workgroup_len - 1] = '\0';
389 }
390
391 if (username[0]) {
392 strncpy(user, username, user_len - 1);
393 user[user_len - 1] = '\0';
394 }
395
396 if (passwd[0]) {
397 strncpy(password, passwd, password_len - 1);
398 password[password_len - 1] = '\0';
399 }
400
401 }
402
403 if (!next_token(&p, server, "/", sizeof(fstring))) {
404
405 return -1;
406
407 }
408
409 if (*p == (char)0) goto decoding; /* That's it ... */
410
411 if (!next_token(&p, share, "/", sizeof(fstring))) {
412
413 return -1;
414
415 }
416
417 /*
418 * Prepend a leading slash if there's a file path, as required by
419 * NetApp filers.
420 */
421 *path = '\0';
422 if (*p != '\0') {
423 *path = '/';
424 safe_strcpy(path + 1, p, path_len - 2);
425 }
426
427 all_string_sub(path, "/", "\\", 0);
428
429 decoding:
430 (void) smbc_urldecode(path, path, path_len);
431 (void) smbc_urldecode(server, server, server_len);
432 (void) smbc_urldecode(share, share, share_len);
433 (void) smbc_urldecode(user, user, user_len);
434 (void) smbc_urldecode(password, password, password_len);
435
436 return 0;
437 }
438
439 /*
440 * Verify that the options specified in a URL are valid
441 */
442 static int
443 smbc_check_options(char *server,
444 char *share,
445 char *path,
446 char *options)
447 {
448 DEBUG(4, ("smbc_check_options(): server='%s' share='%s' "
449 "path='%s' options='%s'\n",
450 server, share, path, options));
451
452 /* No options at all is always ok */
453 if (! *options) return 0;
454
455 /* Currently, we don't support any options. */
456 return -1;
457 }
458
459 /*
460 * Convert an SMB error into a UNIX error ...
461 */
462 static int
463 smbc_errno(SMBCCTX *context,
464 struct cli_state *c)
465 {
466 int ret = cli_errno(c);
467
468 if (cli_is_dos_error(c)) {
469 uint8 eclass;
470 uint32 ecode;
471
472 cli_dos_error(c, &eclass, &ecode);
473
474 DEBUG(3,("smbc_error %d %d (0x%x) -> %d\n",
475 (int)eclass, (int)ecode, (int)ecode, ret));
476 } else {
477 NTSTATUS status;
478
479 status = cli_nt_error(c);
480
481 DEBUG(3,("smbc errno %s -> %d\n",
482 nt_errstr(status), ret));
483 }
484
485 return ret;
486 }
487
488 /*
489 * Check a server for being alive and well.
490 * returns 0 if the server is in shape. Returns 1 on error
491 *
492 * Also useable outside libsmbclient to enable external cache
493 * to do some checks too.
494 */
495 static int
496 smbc_check_server(SMBCCTX * context,
497 SMBCSRV * server)
498 {
499 if ( send_keepalive(server->cli->fd) == False )
500 return 1;
501
502 /* connection is ok */
503 return 0;
504 }
505
506 /*
507 * Remove a server from the cached server list it's unused.
508 * On success, 0 is returned. 1 is returned if the server could not be removed.
509 *
510 * Also useable outside libsmbclient
511 */
512 int
513 smbc_remove_unused_server(SMBCCTX * context,
514 SMBCSRV * srv)
515 {
516 SMBCFILE * file;
517
518 /* are we being fooled ? */
519 if (!context || !context->internal ||
520 !context->internal->_initialized || !srv) return 1;
521
522
523 /* Check all open files/directories for a relation with this server */
524 for (file = context->internal->_files; file; file=file->next) {
525 if (file->srv == srv) {
526 /* Still used */
527 DEBUG(3, ("smbc_remove_usused_server: "
528 "%p still used by %p.\n",
529 srv, file));
530 return 1;
531 }
532 }
533
534 DLIST_REMOVE(context->internal->_servers, srv);
535
536 cli_shutdown(srv->cli);
537 srv->cli = NULL;
538
539 DEBUG(3, ("smbc_remove_usused_server: %p removed.\n", srv));
540
541 context->callbacks.remove_cached_srv_fn(context, srv);
542
543 SAFE_FREE(srv);
544
545 return 0;
546 }
547
548 static SMBCSRV *
549 find_server(SMBCCTX *context,
550 const char *server,
551 const char *share,
552 fstring workgroup,
553 fstring username,
554 fstring password)
555 {
556 SMBCSRV *srv;
557 int auth_called = 0;
558
559 check_server_cache:
560
561 srv = context->callbacks.get_cached_srv_fn(context, server, share,
562 workgroup, username);
563
564 if (!auth_called && !srv && (!username[0] || !password[0])) {
565 if (context->internal->_auth_fn_with_context != NULL) {
566 context->internal->_auth_fn_with_context(
567 context,
568 server, share,
569 workgroup, sizeof(fstring),
570 username, sizeof(fstring),
571 password, sizeof(fstring));
572 } else {
573 context->callbacks.auth_fn(
574 server, share,
575 workgroup, sizeof(fstring),
576 username, sizeof(fstring),
577 password, sizeof(fstring));
578 }
579
580 /*
581 * However, smbc_auth_fn may have picked up info relating to
582 * an existing connection, so try for an existing connection
583 * again ...
584 */
585 auth_called = 1;
586 goto check_server_cache;
587
588 }
589
590 if (srv) {
591 if (context->callbacks.check_server_fn(context, srv)) {
592 /*
593 * This server is no good anymore
594 * Try to remove it and check for more possible
595 * servers in the cache
596 */
597 if (context->callbacks.remove_unused_server_fn(context,
598 srv)) {
599 /*
600 * We could not remove the server completely,
601 * remove it from the cache so we will not get
602 * it again. It will be removed when the last
603 * file/dir is closed.
604 */
605 context->callbacks.remove_cached_srv_fn(context,
606 srv);
607 }
608
609 /*
610 * Maybe there are more cached connections to this
611 * server
612 */
613 goto check_server_cache;
614 }
615
616 return srv;
617 }
618
619 return NULL;
620 }
621
622 /*
623 * Connect to a server, possibly on an existing connection
624 *
625 * Here, what we want to do is: If the server and username
626 * match an existing connection, reuse that, otherwise, establish a
627 * new connection.
628 *
629 * If we have to create a new connection, call the auth_fn to get the
630 * info we need, unless the username and password were passed in.
631 */
632
633 static SMBCSRV *
634 smbc_server(SMBCCTX *context,
635 BOOL connect_if_not_found,
636 const char *server,
637 const char *share,
638 fstring workgroup,
639 fstring username,
640 fstring password)
641 {
642 SMBCSRV *srv=NULL;
643 struct cli_state *c;
644 struct nmb_name called, calling;
645 const char *server_n = server;
646 pstring ipenv;
647 struct in_addr ip;
648 int tried_reverse = 0;
649 int port_try_first;
650 int port_try_next;
651 const char *username_used;
652
653 zero_ip(&ip);
654 ZERO_STRUCT(c);
655
656 if (server[0] == 0) {
657 errno = EPERM;
658 return NULL;
659 }
660
661 /* Look for a cached connection */
662 srv = find_server(context, server, share,
663 workgroup, username, password);
664
665 /*
666 * If we found a connection and we're only allowed one share per
667 * server...
668 */
669 if (srv && *share != '\0' && context->options.one_share_per_server) {
670
671 /*
672 * ... then if there's no current connection to the share,
673 * connect to it. find_server(), or rather the function
674 * pointed to by context->callbacks.get_cached_srv_fn which
675 * was called by find_server(), will have issued a tree
676 * disconnect if the requested share is not the same as the
677 * one that was already connected.
678 */
679 if (srv->cli->cnum == (uint16) -1) {
680 /* Ensure we have accurate auth info */
681 if (context->internal->_auth_fn_with_context != NULL) {
682 context->internal->_auth_fn_with_context(
683 context,
684 server, share,
685 workgroup, sizeof(fstring),
686 username, sizeof(fstring),
687 password, sizeof(fstring));
688 } else {
689 context->callbacks.auth_fn(
690 server, share,
691 workgroup, sizeof(fstring),
692 username, sizeof(fstring),
693 password, sizeof(fstring));
694 }
695
696 if (! cli_send_tconX(srv->cli, share, "?????",
697 password, strlen(password)+1)) {
698
699 errno = smbc_errno(context, srv->cli);
700 cli_shutdown(srv->cli);
701 srv->cli = NULL;
702 context->callbacks.remove_cached_srv_fn(context,
703 srv);
704 srv = NULL;
705 }
706
707 /*
708 * Regenerate the dev value since it's based on both
709 * server and share
710 */
711 if (srv) {
712 srv->dev = (dev_t)(str_checksum(server) ^
713 str_checksum(share));
714 }
715 }
716 }
717
718 /* If we have a connection... */
719 if (srv) {
720
721 /* ... then we're done here. Give 'em what they came for. */
722 return srv;
723 }
724
725 /* If we're not asked to connect when a connection doesn't exist... */
726 if (! connect_if_not_found) {
727 /* ... then we're done here. */
728 return NULL;
729 }
730
731 make_nmb_name(&calling, context->netbios_name, 0x0);
732 make_nmb_name(&called , server, 0x20);
733
734 DEBUG(4,("smbc_server: server_n=[%s] server=[%s]\n", server_n, server));
735
736 DEBUG(4,(" -> server_n=[%s] server=[%s]\n", server_n, server));
737
738 again:
739 slprintf(ipenv,sizeof(ipenv)-1,"HOST_%s", server_n);
740
741 zero_ip(&ip);
742
743 /* have to open a new connection */
744 if ((c = cli_initialise()) == NULL) {
745 errno = ENOMEM;
746 return NULL;
747 }
748
749 if (context->flags & SMB_CTX_FLAG_USE_KERBEROS) {
750 c->use_kerberos = True;
751 }
752 if (context->flags & SMB_CTX_FLAG_FALLBACK_AFTER_KERBEROS) {
753 c->fallback_after_kerberos = True;
754 }
755
756 c->timeout = context->timeout;
757
758 /*
759 * Force use of port 139 for first try if share is $IPC, empty, or
760 * null, so browse lists can work
761 */
762 if (share == NULL || *share == '\0' || strcmp(share, "IPC$") == 0) {
763 port_try_first = 139;
764 port_try_next = 445;
765 } else {
766 port_try_first = 445;
767 port_try_next = 139;
768 }
769
770 c->port = port_try_first;
771
772 if (!cli_connect(c, server_n, &ip)) {
773
774 /* First connection attempt failed. Try alternate port. */
775 c->port = port_try_next;
776
777 if (!cli_connect(c, server_n, &ip)) {
778 cli_shutdown(c);
779 errno = ETIMEDOUT;
780 return NULL;
781 }
782 }
783
784 if (!cli_session_request(c, &calling, &called)) {
785 cli_shutdown(c);
786 if (strcmp(called.name, "*SMBSERVER")) {
787 make_nmb_name(&called , "*SMBSERVER", 0x20);
788 goto again;
789 } else { /* Try one more time, but ensure we don't loop */
790
791 /* Only try this if server is an IP address ... */
792
793 if (is_ipaddress(server) && !tried_reverse) {
794 fstring remote_name;
795 struct in_addr rem_ip;
796
797 if ((rem_ip.s_addr=inet_addr(server)) == INADDR_NONE) {
798 DEBUG(4, ("Could not convert IP address "
799 "%s to struct in_addr\n", server));
800 errno = ETIMEDOUT;
801 return NULL;
802 }
803
804 tried_reverse++; /* Yuck */
805
806 if (name_status_find("*", 0, 0, rem_ip, remote_name)) {
807 make_nmb_name(&called, remote_name, 0x20);
808 goto again;
809 }
810 }
811 }
812 errno = ETIMEDOUT;
813 return NULL;
814 }
815
816 DEBUG(4,(" session request ok\n"));
817
818 if (!cli_negprot(c)) {
819 cli_shutdown(c);
820 errno = ETIMEDOUT;
821 return NULL;
822 }
823
824 username_used = username;
825
826 if (!NT_STATUS_IS_OK(cli_session_setup(c, username_used,
827 password, strlen(password),
828 password, strlen(password),
829 workgroup))) {
830
831 /* Failed. Try an anonymous login, if allowed by flags. */
832 username_used = "";
833
834 if ((context->flags & SMBCCTX_FLAG_NO_AUTO_ANONYMOUS_LOGON) ||
835 !NT_STATUS_IS_OK(cli_session_setup(c, username_used,
836 password, 1,
837 password, 0,
838 workgroup))) {
839
840 cli_shutdown(c);
841 errno = EPERM;
842 return NULL;
843 }
844 }
845
846 DEBUG(4,(" session setup ok\n"));
847
848 if (!cli_send_tconX(c, share, "?????",
849 password, strlen(password)+1)) {
850 errno = smbc_errno(context, c);
851 cli_shutdown(c);
852 return NULL;
853 }
854
855 DEBUG(4,(" tconx ok\n"));
856
857 /*
858 * Ok, we have got a nice connection
859 * Let's allocate a server structure.
860 */
861
862 srv = SMB_MALLOC_P(SMBCSRV);
863 if (!srv) {
864 errno = ENOMEM;
865 goto failed;
866 }
867
868 ZERO_STRUCTP(srv);
869 srv->cli = c;
870 srv->dev = (dev_t)(str_checksum(server) ^ str_checksum(share));
871 srv->no_pathinfo = False;
872 srv->no_pathinfo2 = False;
873 srv->no_nt_session = False;
874
875 /* now add it to the cache (internal or external) */
876 /* Let the cache function set errno if it wants to */
877 errno = 0;
878 if (context->callbacks.add_cached_srv_fn(context, srv, server, share, workgroup, username)) {
879 int saved_errno = errno;
880 DEBUG(3, (" Failed to add server to cache\n"));
881 errno = saved_errno;
882 if (errno == 0) {
883 errno = ENOMEM;
884 }
885 goto failed;
886 }
887
888 DEBUG(2, ("Server connect ok: //%s/%s: %p\n",
889 server, share, srv));
890
891 DLIST_ADD(context->internal->_servers, srv);
892 return srv;
893
894 failed:
895 cli_shutdown(c);
896 if (!srv) {
897 return NULL;
898 }
899
900 SAFE_FREE(srv);
901 return NULL;
902 }
903
904 /*
905 * Connect to a server for getting/setting attributes, possibly on an existing
906 * connection. This works similarly to smbc_server().
907 */
908 static SMBCSRV *
909 smbc_attr_server(SMBCCTX *context,
910 const char *server,
911 const char *share,
912 fstring workgroup,
913 fstring username,
914 fstring password,
915 POLICY_HND *pol)
916 {
917 struct in_addr ip;
918 struct cli_state *ipc_cli;
919 struct rpc_pipe_client *pipe_hnd;
920 NTSTATUS nt_status;
921 SMBCSRV *ipc_srv=NULL;
922
923 /*
924 * See if we've already created this special connection. Reference
925 * our "special" share name '*IPC$', which is an impossible real share
926 * name due to the leading asterisk.
927 */
928 ipc_srv = find_server(context, server, "*IPC$",
929 workgroup, username, password);
930 if (!ipc_srv) {
931
932 /* We didn't find a cached connection. Get the password */
933 if (*password == '\0') {
934 /* ... then retrieve it now. */
935 if (context->internal->_auth_fn_with_context != NULL) {
936 context->internal->_auth_fn_with_context(
937 context,
938 server, share,
939 workgroup, sizeof(fstring),
940 username, sizeof(fstring),
941 password, sizeof(fstring));
942 } else {
943 context->callbacks.auth_fn(
944 server, share,
945 workgroup, sizeof(fstring),
946 username, sizeof(fstring),
947 password, sizeof(fstring));
948 }
949 }
950
951 zero_ip(&ip);
952 nt_status = cli_full_connection(&ipc_cli,
953 global_myname(), server,
954 &ip, 0, "IPC$", "?????",
955 username, workgroup,
956 password, 0,
957 Undefined, NULL);
958 if (! NT_STATUS_IS_OK(nt_status)) {
959 DEBUG(1,("cli_full_connection failed! (%s)\n",
960 nt_errstr(nt_status)));
961 errno = ENOTSUP;
962 return NULL;
963 }
964
965 ipc_srv = SMB_MALLOC_P(SMBCSRV);
966 if (!ipc_srv) {
967 errno = ENOMEM;
968 cli_shutdown(ipc_cli);
969 return NULL;
970 }
971
972 ZERO_STRUCTP(ipc_srv);
973 ipc_srv->cli = ipc_cli;
974
975 if (pol) {
976 pipe_hnd = cli_rpc_pipe_open_noauth(ipc_srv->cli,
977 PI_LSARPC,
978 &nt_status);
979 if (!pipe_hnd) {
980 DEBUG(1, ("cli_nt_session_open fail!\n"));
981 errno = ENOTSUP;
982 cli_shutdown(ipc_srv->cli);
983 free(ipc_srv);
984 return NULL;
985 }
986
987 /*
988 * Some systems don't support
989 * SEC_RIGHTS_MAXIMUM_ALLOWED, but NT sends 0x2000000
990 * so we might as well do it too.
991 */
992
993 nt_status = rpccli_lsa_open_policy(
994 pipe_hnd,
995 ipc_srv->cli->mem_ctx,
996 True,
997 GENERIC_EXECUTE_ACCESS,
998 pol);
999
1000 if (!NT_STATUS_IS_OK(nt_status)) {
1001 errno = smbc_errno(context, ipc_srv->cli);
1002 cli_shutdown(ipc_srv->cli);
1003 return NULL;
1004 }
1005 }
1006
1007 /* now add it to the cache (internal or external) */
1008
1009 errno = 0; /* let cache function set errno if it likes */
1010 if (context->callbacks.add_cached_srv_fn(context, ipc_srv,
1011 server,
1012 "*IPC$",
1013 workgroup,
1014 username)) {
1015 DEBUG(3, (" Failed to add server to cache\n"));
1016 if (errno == 0) {
1017 errno = ENOMEM;
1018 }
1019 cli_shutdown(ipc_srv->cli);
1020 free(ipc_srv);
1021 return NULL;
1022 }
1023
1024 DLIST_ADD(context->internal->_servers, ipc_srv);
1025 }
1026
1027 return ipc_srv;
1028 }
1029
1030 /*
1031 * Routine to open() a file ...
1032 */
1033
1034 static SMBCFILE *
1035 smbc_open_ctx(SMBCCTX *context,
1036 const char *fname,
1037 int flags,
1038 mode_t mode)
1039 {
1040 fstring server, share, user, password, workgroup;
1041 pstring path;
1042 pstring targetpath;
1043 struct cli_state *targetcli;
1044 SMBCSRV *srv = NULL;
1045 SMBCFILE *file = NULL;
1046 int fd;
1047
1048 if (!context || !context->internal ||
1049 !context->internal->_initialized) {
1050
1051 errno = EINVAL; /* Best I can think of ... */
1052 return NULL;
1053
1054 }
1055
1056 if (!fname) {
1057
1058 errno = EINVAL;
1059 return NULL;
1060
1061 }
1062
1063 if (smbc_parse_path(context, fname,
1064 workgroup, sizeof(workgroup),
1065 server, sizeof(server),
1066 share, sizeof(share),
1067 path, sizeof(path),
1068 user, sizeof(user),
1069 password, sizeof(password),
1070 NULL, 0)) {
1071 errno = EINVAL;
1072 return NULL;
1073 }
1074
1075 if (user[0] == (char)0) fstrcpy(user, context->user);
1076
1077 srv = smbc_server(context, True,
1078 server, share, workgroup, user, password);
1079
1080 if (!srv) {
1081
1082 if (errno == EPERM) errno = EACCES;
1083 return NULL; /* smbc_server sets errno */
1084
1085 }
1086
1087 /* Hmmm, the test for a directory is suspect here ... FIXME */
1088
1089 if (strlen(path) > 0 && path[strlen(path) - 1] == '\\') {
1090
1091 fd = -1;
1092
1093 }
1094 else {
1095
1096 file = SMB_MALLOC_P(SMBCFILE);
1097
1098 if (!file) {
1099
1100 errno = ENOMEM;
1101 return NULL;
1102
1103 }
1104
1105 ZERO_STRUCTP(file);
1106
1107 /*d_printf(">>>open: resolving %s\n", path);*/
1108 if (!cli_resolve_path( "", srv->cli, path, &targetcli, targetpath))
1109 {
1110 d_printf("Could not resolve %s\n", path);
1111 SAFE_FREE(file);
1112 return NULL;
1113 }
1114 /*d_printf(">>>open: resolved %s as %s\n", path, targetpath);*/
1115
1116 if ( targetcli->dfsroot )
1117 {
1118 pstring temppath;
1119 pstrcpy(temppath, targetpath);
1120 cli_dfs_make_full_path( targetpath, targetcli->desthost, targetcli->share, temppath);
1121 }
1122
1123 if ((fd = cli_open(targetcli, targetpath, flags, DENY_NONE)) < 0) {
1124
1125 /* Handle the error ... */
1126
1127 SAFE_FREE(file);
1128 errno = smbc_errno(context, targetcli);
1129 return NULL;
1130
1131 }
1132
1133 /* Fill in file struct */
1134
1135 file->cli_fd = fd;
1136 file->fname = SMB_STRDUP(fname);
1137 file->srv = srv;
1138 file->offset = 0;
1139 file->file = True;
1140
1141 DLIST_ADD(context->internal->_files, file);
1142
1143 /*
1144 * If the file was opened in O_APPEND mode, all write
1145 * operations should be appended to the file. To do that,
1146 * though, using this protocol, would require a getattrE()
1147 * call for each and every write, to determine where the end
1148 * of the file is. (There does not appear to be an append flag
1149 * in the protocol.) Rather than add all of that overhead of
1150 * retrieving the current end-of-file offset prior to each
1151 * write operation, we'll assume that most append operations
1152 * will continuously write, so we'll just set the offset to
1153 * the end of the file now and hope that's adequate.
1154 *
1155 * Note to self: If this proves inadequate, and O_APPEND
1156 * should, in some cases, be forced for each write, add a
1157 * field in the context options structure, for
1158 * "strict_append_mode" which would select between the current
1159 * behavior (if FALSE) or issuing a getattrE() prior to each
1160 * write and forcing the write to the end of the file (if
1161 * TRUE). Adding that capability will likely require adding
1162 * an "append" flag into the _SMBCFILE structure to track
1163 * whether a file was opened in O_APPEND mode. -- djl
1164 */
1165 if (flags & O_APPEND) {
1166 if (smbc_lseek_ctx(context, file, 0, SEEK_END) < 0) {
1167 (void) smbc_close_ctx(context, file);
1168 errno = ENXIO;
1169 return NULL;
1170 }
1171 }
1172
1173 return file;
1174
1175 }
1176
1177 /* Check if opendir needed ... */
1178
1179 if (fd == -1) {
1180 int eno = 0;
1181
1182 eno = smbc_errno(context, srv->cli);
1183 file = context->opendir(context, fname);
1184 if (!file) errno = eno;
1185 return file;
1186
1187 }
1188
1189 errno = EINVAL; /* FIXME, correct errno ? */
1190 return NULL;
1191
1192 }
1193
1194 /*
1195 * Routine to create a file
1196 */
1197
1198 static int creat_bits = O_WRONLY | O_CREAT | O_TRUNC; /* FIXME: Do we need this */
1199
1200 static SMBCFILE *
1201 smbc_creat_ctx(SMBCCTX *context,
1202 const char *path,
1203 mode_t mode)
1204 {
1205
1206 if (!context || !context->internal ||
1207 !context->internal->_initialized) {
1208
1209 errno = EINVAL;
1210 return NULL;
1211
1212 }
1213
1214 return smbc_open_ctx(context, path, creat_bits, mode);
1215 }
1216
1217 /*
1218 * Routine to read() a file ...
1219 */
1220
1221 static ssize_t
1222 smbc_read_ctx(SMBCCTX *context,
1223 SMBCFILE *file,
1224 void *buf,
1225 size_t count)
1226 {
1227 int ret;
1228 fstring server, share, user, password;
1229 pstring path, targetpath;
1230 struct cli_state *targetcli;
1231
1232 /*
1233 * offset:
1234 *
1235 * Compiler bug (possibly) -- gcc (GCC) 3.3.5 (Debian 1:3.3.5-2) --
1236 * appears to pass file->offset (which is type off_t) differently than
1237 * a local variable of type off_t. Using local variable "offset" in
1238 * the call to cli_read() instead of file->offset fixes a problem
1239 * retrieving data at an offset greater than 4GB.
1240 */
1241 off_t offset;
1242
1243 if (!context || !context->internal ||
1244 !context->internal->_initialized) {
1245
1246 errno = EINVAL;
1247 return -1;
1248
1249 }
1250
1251 DEBUG(4, ("smbc_read(%p, %d)\n", file, (int)count));
1252
1253 if (!file || !DLIST_CONTAINS(context->internal->_files, file)) {
1254
1255 errno = EBADF;
1256 return -1;
1257
1258 }
1259
1260 offset = file->offset;
1261
1262 /* Check that the buffer exists ... */
1263
1264 if (buf == NULL) {
1265
1266 errno = EINVAL;
1267 return -1;
1268
1269 }
1270
1271 /*d_printf(">>>read: parsing %s\n", file->fname);*/
1272 if (smbc_parse_path(context, file->fname,
1273 NULL, 0,
1274 server, sizeof(server),
1275 share, sizeof(share),
1276 path, sizeof(path),
1277 user, sizeof(user),
1278 password, sizeof(password),
1279 NULL, 0)) {
1280 errno = EINVAL;
1281 return -1;
1282 }
1283
1284 /*d_printf(">>>read: resolving %s\n", path);*/
1285 if (!cli_resolve_path("", file->srv->cli, path,
1286 &targetcli, targetpath))
1287 {
1288 d_printf("Could not resolve %s\n", path);
1289 return -1;
1290 }
1291 /*d_printf(">>>fstat: resolved path as %s\n", targetpath);*/
1292
1293 ret = cli_read(targetcli, file->cli_fd, (char *)buf, offset, count);
1294
1295 if (ret < 0) {
1296
1297 errno = smbc_errno(context, targetcli);
1298 return -1;
1299
1300 }
1301
1302 file->offset += ret;
1303
1304 DEBUG(4, (" --> %d\n", ret));
1305
1306 return ret; /* Success, ret bytes of data ... */
1307
1308 }
1309
1310 /*
1311 * Routine to write() a file ...
1312 */
1313
1314 static ssize_t
1315 smbc_write_ctx(SMBCCTX *context,
1316 SMBCFILE *file,
1317 void *buf,
1318 size_t count)
1319 {
1320 int ret;
1321 off_t offset;
1322 fstring server, share, user, password;
1323 pstring path, targetpath;
1324 struct cli_state *targetcli;
1325
1326 /* First check all pointers before dereferencing them */
1327
1328 if (!context || !context->internal ||
1329 !context->internal->_initialized) {
1330
1331 errno = EINVAL;
1332 return -1;
1333
1334 }
1335
1336 if (!file || !DLIST_CONTAINS(context->internal->_files, file)) {
1337
1338 errno = EBADF;
1339 return -1;
1340
1341 }
1342
1343 /* Check that the buffer exists ... */
1344
1345 if (buf == NULL) {
1346
1347 errno = EINVAL;
1348 return -1;
1349
1350 }
1351
1352 offset = file->offset; /* See "offset" comment in smbc_read_ctx() */
1353
1354 /*d_printf(">>>write: parsing %s\n", file->fname);*/
1355 if (smbc_parse_path(context, file->fname,
1356 NULL, 0,
1357 server, sizeof(server),
1358 share, sizeof(share),
1359 path, sizeof(path),
1360 user, sizeof(user),
1361 password, sizeof(password),
1362 NULL, 0)) {
1363 errno = EINVAL;
1364 return -1;
1365 }
1366
1367 /*d_printf(">>>write: resolving %s\n", path);*/
1368 if (!cli_resolve_path("", file->srv->cli, path,
1369 &targetcli, targetpath))
1370 {
1371 d_printf("Could not resolve %s\n", path);
1372 return -1;
1373 }
1374 /*d_printf(">>>write: resolved path as %s\n", targetpath);*/
1375
1376
1377 ret = cli_write(targetcli, file->cli_fd, 0, (char *)buf, offset, count);
1378
1379 if (ret <= 0) {
1380
1381 errno = smbc_errno(context, targetcli);
1382 return -1;
1383
1384 }
1385
1386 file->offset += ret;
1387
1388 return ret; /* Success, 0 bytes of data ... */
1389 }
1390
1391 /*
1392 * Routine to close() a file ...
1393 */
1394
1395 static int
1396 smbc_close_ctx(SMBCCTX *context,
1397 SMBCFILE *file)
1398 {
1399 SMBCSRV *srv;
1400 fstring server, share, user, password;
1401 pstring path, targetpath;
1402 struct cli_state *targetcli;
1403
1404 if (!context || !context->internal ||
1405 !context->internal->_initialized) {
1406
1407 errno = EINVAL;
1408 return -1;
1409
1410 }
1411
1412 if (!file || !DLIST_CONTAINS(context->internal->_files, file)) {
1413
1414 errno = EBADF;
1415 return -1;
1416
1417 }
1418
1419 /* IS a dir ... */
1420 if (!file->file) {
1421
1422 return context->closedir(context, file);
1423
1424 }
1425
1426 /*d_printf(">>>close: parsing %s\n", file->fname);*/
1427 if (smbc_parse_path(context, file->fname,
1428 NULL, 0,
1429 server, sizeof(server),
1430 share, sizeof(share),
1431 path, sizeof(path),
1432 user, sizeof(user),
1433 password, sizeof(password),
1434 NULL, 0)) {
1435 errno = EINVAL;
1436 return -1;
1437 }
1438
1439 /*d_printf(">>>close: resolving %s\n", path);*/
1440 if (!cli_resolve_path("", file->srv->cli, path,
1441 &targetcli, targetpath))
1442 {
1443 d_printf("Could not resolve %s\n", path);
1444 return -1;
1445 }
1446 /*d_printf(">>>close: resolved path as %s\n", targetpath);*/
1447
1448 if (!cli_close(targetcli, file->cli_fd)) {
1449
1450 DEBUG(3, ("cli_close failed on %s. purging server.\n",
1451 file->fname));
1452 /* Deallocate slot and remove the server
1453 * from the server cache if unused */
1454 errno = smbc_errno(context, targetcli);
1455 srv = file->srv;
1456 DLIST_REMOVE(context->internal->_files, file);
1457 SAFE_FREE(file->fname);
1458 SAFE_FREE(file);
1459 context->callbacks.remove_unused_server_fn(context, srv);
1460
1461 return -1;
1462
1463 }
1464
1465 DLIST_REMOVE(context->internal->_files, file);
1466 SAFE_FREE(file->fname);
1467 SAFE_FREE(file);
1468
1469 return 0;
1470 }
1471
1472 /*
1473 * Get info from an SMB server on a file. Use a qpathinfo call first
1474 * and if that fails, use getatr, as Win95 sometimes refuses qpathinfo
1475 */
1476 static BOOL
1477 smbc_getatr(SMBCCTX * context,
1478 SMBCSRV *srv,
1479 char *path,
1480 uint16 *mode,
1481 SMB_OFF_T *size,
1482 struct timespec *create_time_ts,
1483 struct timespec *access_time_ts,
1484 struct timespec *write_time_ts,
1485 struct timespec *change_time_ts,
1486 SMB_INO_T *ino)
1487 {
1488 pstring fixedpath;
1489 pstring targetpath;
1490 struct cli_state *targetcli;
1491 time_t write_time;
1492
1493 if (!context || !context->internal ||
1494 !context->internal->_initialized) {
1495
1496 errno = EINVAL;
1497 return -1;
1498
1499 }
1500
1501 /* path fixup for . and .. */
1502 if (strequal(path, ".") || strequal(path, ".."))
1503 pstrcpy(fixedpath, "\\");
1504 else
1505 {
1506 pstrcpy(fixedpath, path);
1507 trim_string(fixedpath, NULL, "\\..");
1508 trim_string(fixedpath, NULL, "\\.");
1509 }
1510 DEBUG(4,("smbc_getatr: sending qpathinfo\n"));
1511
1512 if (!cli_resolve_path( "", srv->cli, fixedpath, &targetcli, targetpath))
1513 {
1514 d_printf("Couldn't resolve %s\n", path);
1515 return False;
1516 }
1517
1518 if ( targetcli->dfsroot )
1519 {
1520 pstring temppath;
1521 pstrcpy(temppath, targetpath);
1522 cli_dfs_make_full_path(targetpath, targetcli->desthost,
1523 targetcli->share, temppath);
1524 }
1525
1526 if (!srv->no_pathinfo2 &&
1527 cli_qpathinfo2(targetcli, targetpath,
1528 create_time_ts,
1529 access_time_ts,
1530 write_time_ts,
1531 change_time_ts,
1532 size, mode, ino)) {
1533 return True;
1534 }
1535
1536 /* if this is NT then don't bother with the getatr */
1537 if (targetcli->capabilities & CAP_NT_SMBS) {
1538 errno = EPERM;
1539 return False;
1540 }
1541
1542 if (cli_getatr(targetcli, targetpath, mode, size, &write_time)) {
1543
1544 struct timespec w_time_ts;
1545
1546 w_time_ts = convert_time_t_to_timespec(write_time);
1547
1548 if (write_time_ts != NULL) {
1549 *write_time_ts = w_time_ts;
1550 }
1551
1552 if (create_time_ts != NULL) {
1553 *create_time_ts = w_time_ts;
1554 }
1555
1556 if (access_time_ts != NULL) {
1557 *access_time_ts = w_time_ts;
1558 }
1559
1560 if (change_time_ts != NULL) {
1561 *change_time_ts = w_time_ts;
1562 }
1563
1564 srv->no_pathinfo2 = True;
1565 return True;
1566 }
1567
1568 errno = EPERM;
1569 return False;
1570
1571 }
1572
1573 /*
1574 * Set file info on an SMB server. Use setpathinfo call first. If that
1575 * fails, use setattrE..
1576 *
1577 * Access and modification time parameters are always used and must be
1578 * provided. Create time, if zero, will be determined from the actual create
1579 * time of the file. If non-zero, the create time will be set as well.
1580 *
1581 * "mode" (attributes) parameter may be set to -1 if it is not to be set.
1582 */
1583 static BOOL
1584 smbc_setatr(SMBCCTX * context, SMBCSRV *srv, char *path,
1585 time_t create_time,
1586 time_t access_time,
1587 time_t write_time,
1588 time_t change_time,
1589 uint16 mode)
1590 {
1591 int fd;
1592 int ret;
1593
1594 /*
1595 * First, try setpathinfo (if qpathinfo succeeded), for it is the
1596 * modern function for "new code" to be using, and it works given a
1597 * filename rather than requiring that the file be opened to have its
1598 * attributes manipulated.
1599 */
1600 if (srv->no_pathinfo ||
1601 ! cli_setpathinfo(srv->cli, path,
1602 create_time,
1603 access_time,
1604 write_time,
1605 change_time,
1606 mode)) {
1607
1608 /*
1609 * setpathinfo is not supported; go to plan B.
1610 *
1611 * cli_setatr() does not work on win98, and it also doesn't
1612 * support setting the access time (only the modification
1613 * time), so in all cases, we open the specified file and use
1614 * cli_setattrE() which should work on all OS versions, and
1615 * supports both times.
1616 */
1617
1618 /* Don't try {q,set}pathinfo() again, with this server */
1619 srv->no_pathinfo = True;
1620
1621 /* Open the file */
1622 if ((fd = cli_open(srv->cli, path, O_RDWR, DENY_NONE)) < 0) {
1623
1624 errno = smbc_errno(context, srv->cli);
1625 return -1;
1626 }
1627
1628 /* Set the new attributes */
1629 ret = cli_setattrE(srv->cli, fd,
1630 change_time,
1631 access_time,
1632 write_time);
1633
1634 /* Close the file */
1635 cli_close(srv->cli, fd);
1636
1637 /*
1638 * Unfortunately, setattrE() doesn't have a provision for
1639 * setting the access mode (attributes). We'll have to try
1640 * cli_setatr() for that, and with only this parameter, it
1641 * seems to work on win98.
1642 */
1643 if (ret && mode != (uint16) -1) {
1644 ret = cli_setatr(srv->cli, path, mode, 0);
1645 }
1646
1647 if (! ret) {
1648 errno = smbc_errno(context, srv->cli);
1649 return False;
1650 }
1651 }
1652
1653 return True;
1654 }
1655
1656 /*
1657 * Routine to unlink() a file
1658 */
1659
1660 static int
1661 smbc_unlink_ctx(SMBCCTX *context,
1662 const char *fname)
1663 {
1664 fstring server, share, user, password, workgroup;
1665 pstring path, targetpath;
1666 struct cli_state *targetcli;
1667 SMBCSRV *srv = NULL;
1668
1669 if (!context || !context->internal ||
1670 !context->internal->_initialized) {
1671
1672 errno = EINVAL; /* Best I can think of ... */
1673 return -1;
1674
1675 }
1676
1677 if (!fname) {
1678
1679 errno = EINVAL;
1680 return -1;
1681
1682 }
1683
1684 if (smbc_parse_path(context, fname,
1685 workgroup, sizeof(workgroup),
1686 server, sizeof(server),
1687 share, sizeof(share),
1688 path, sizeof(path),
1689 user, sizeof(user),
1690 password, sizeof(password),
1691 NULL, 0)) {
1692 errno = EINVAL;
1693 return -1;
1694 }
1695
1696 if (user[0] == (char)0) fstrcpy(user, context->user);
1697
1698 srv = smbc_server(context, True,
1699 server, share, workgroup, user, password);
1700
1701 if (!srv) {
1702
1703 return -1; /* smbc_server sets errno */
1704
1705 }
1706
1707 /*d_printf(">>>unlink: resolving %s\n", path);*/
1708 if (!cli_resolve_path( "", srv->cli, path, &targetcli, targetpath))
1709 {
1710 d_printf("Could not resolve %s\n", path);
1711 return -1;
1712 }
1713 /*d_printf(">>>unlink: resolved path as %s\n", targetpath);*/
1714
1715 if (!cli_unlink(targetcli, targetpath)) {
1716
1717 errno = smbc_errno(context, targetcli);
1718
1719 if (errno == EACCES) { /* Check if the file is a directory */
1720
1721 int saverr = errno;
1722 SMB_OFF_T size = 0;
1723 uint16 mode = 0;
1724 struct timespec write_time_ts;
1725 struct timespec access_time_ts;
1726 struct timespec change_time_ts;
1727 SMB_INO_T ino = 0;
1728
1729 if (!smbc_getatr(context, srv, path, &mode, &size,
1730 NULL,
1731 &access_time_ts,
1732 &write_time_ts,
1733 &change_time_ts,
1734 &ino)) {
1735
1736 /* Hmmm, bad error ... What? */
1737
1738 errno = smbc_errno(context, targetcli);
1739 return -1;
1740
1741 }
1742 else {
1743
1744 if (IS_DOS_DIR(mode))
1745 errno = EISDIR;
1746 else
1747 errno = saverr; /* Restore this */
1748
1749 }
1750 }
1751
1752 return -1;
1753
1754 }
1755
1756 return 0; /* Success ... */
1757
1758 }
1759
1760 /*
1761 * Routine to rename() a file
1762 */
1763
1764 static int
1765 smbc_rename_ctx(SMBCCTX *ocontext,
1766 const char *oname,
1767 SMBCCTX *ncontext,
1768 const char *nname)
1769 {
1770 fstring server1;
1771 fstring share1;
1772 fstring server2;
1773 fstring share2;
1774 fstring user1;
1775 fstring user2;
1776 fstring password1;
1777 fstring password2;
1778 fstring workgroup;
1779 pstring path1;
1780 pstring path2;
1781 pstring targetpath1;
1782 pstring targetpath2;
1783 struct cli_state *targetcli1;
1784 struct cli_state *targetcli2;
1785 SMBCSRV *srv = NULL;
1786
1787 if (!ocontext || !ncontext ||
1788 !ocontext->internal || !ncontext->internal ||
1789 !ocontext->internal->_initialized ||
1790 !ncontext->internal->_initialized) {
1791
1792 errno = EINVAL; /* Best I can think of ... */
1793 return -1;
1794
1795 }
1796
1797 if (!oname || !nname) {
1798
1799 errno = EINVAL;
1800 return -1;
1801
1802 }
1803
1804 DEBUG(4, ("smbc_rename(%s,%s)\n", oname, nname));
1805
1806 smbc_parse_path(ocontext, oname,
1807 workgroup, sizeof(workgroup),
1808 server1, sizeof(server1),
1809 share1, sizeof(share1),
1810 path1, sizeof(path1),
1811 user1, sizeof(user1),
1812 password1, sizeof(password1),
1813 NULL, 0);
1814
1815 if (user1[0] == (char)0) fstrcpy(user1, ocontext->user);
1816
1817 smbc_parse_path(ncontext, nname,
1818 NULL, 0,
1819 server2, sizeof(server2),
1820 share2, sizeof(share2),
1821 path2, sizeof(path2),
1822 user2, sizeof(user2),
1823 password2, sizeof(password2),
1824 NULL, 0);
1825
1826 if (user2[0] == (char)0) fstrcpy(user2, ncontext->user);
1827
1828 if (strcmp(server1, server2) || strcmp(share1, share2) ||
1829 strcmp(user1, user2)) {
1830
1831 /* Can't rename across file systems, or users?? */
1832
1833 errno = EXDEV;
1834 return -1;
1835
1836 }
1837
1838 srv = smbc_server(ocontext, True,
1839 server1, share1, workgroup, user1, password1);
1840 if (!srv) {
1841
1842 return -1;
1843
1844 }
1845
1846 /*d_printf(">>>rename: resolving %s\n", path1);*/
1847 if (!cli_resolve_path( "", srv->cli, path1, &targetcli1, targetpath1))
1848 {
1849 d_printf("Could not resolve %s\n", path1);
1850 return -1;
1851 }
1852 /*d_printf(">>>rename: resolved path as %s\n", targetpath1);*/
1853 /*d_printf(">>>rename: resolving %s\n", path2);*/
1854 if (!cli_resolve_path( "", srv->cli, path2, &targetcli2, targetpath2))
1855 {
1856 d_printf("Could not resolve %s\n", path2);
1857 return -1;
1858 }
1859 /*d_printf(">>>rename: resolved path as %s\n", targetpath2);*/
1860
1861 if (strcmp(targetcli1->desthost, targetcli2->desthost) ||
1862 strcmp(targetcli1->share, targetcli2->share))
1863 {
1864 /* can't rename across file systems */
1865
1866 errno = EXDEV;
1867 return -1;
1868 }
1869
1870 if (!cli_rename(targetcli1, targetpath1, targetpath2)) {
1871 int eno = smbc_errno(ocontext, targetcli1);
1872
1873 if (eno != EEXIST ||
1874 !cli_unlink(targetcli1, targetpath2) ||
1875 !cli_rename(targetcli1, targetpath1, targetpath2)) {
1876
1877 errno = eno;
1878 return -1;
1879
1880 }
1881 }
1882
1883 return 0; /* Success */
1884
1885 }
1886
1887 /*
1888 * A routine to lseek() a file
1889 */
1890
1891 static off_t
1892 smbc_lseek_ctx(SMBCCTX *context,
1893 SMBCFILE *file,
1894 off_t offset,
1895 int whence)
1896 {
1897 SMB_OFF_T size;
1898 fstring server, share, user, password;
1899 pstring path, targetpath;
1900 struct cli_state *targetcli;
1901
1902 if (!context || !context->internal ||
1903 !context->internal->_initialized) {
1904
1905 errno = EINVAL;
1906 return -1;
1907
1908 }
1909
1910 if (!file || !DLIST_CONTAINS(context->internal->_files, file)) {
1911
1912 errno = EBADF;
1913 return -1;
1914
1915 }
1916
1917 if (!file->file) {
1918
1919 errno = EINVAL;
1920 return -1; /* Can't lseek a dir ... */
1921
1922 }
1923
1924 switch (whence) {
1925 case SEEK_SET:
1926 file->offset = offset;
1927 break;
1928
1929 case SEEK_CUR:
1930 file->offset += offset;
1931 break;
1932
1933 case SEEK_END:
1934 /*d_printf(">>>lseek: parsing %s\n", file->fname);*/
1935 if (smbc_parse_path(context, file->fname,
1936 NULL, 0,
1937 server, sizeof(server),
1938 share, sizeof(share),
1939 path, sizeof(path),
1940 user, sizeof(user),
1941 password, sizeof(password),
1942 NULL, 0)) {
1943
1944 errno = EINVAL;
1945 return -1;
1946 }
1947
1948 /*d_printf(">>>lseek: resolving %s\n", path);*/
1949 if (!cli_resolve_path("", file->srv->cli, path,
1950 &targetcli, targetpath))
1951 {
1952 d_printf("Could not resolve %s\n", path);
1953 return -1;
1954 }
1955 /*d_printf(">>>lseek: resolved path as %s\n", targetpath);*/
1956
1957 if (!cli_qfileinfo(targetcli, file->cli_fd, NULL,
1958 &size, NULL, NULL, NULL, NULL, NULL))
1959 {
1960 SMB_OFF_T b_size = size;
1961 if (!cli_getattrE(targetcli, file->cli_fd,
1962 NULL, &b_size, NULL, NULL, NULL))
1963 {
1964 errno = EINVAL;
1965 return -1;
1966 } else
1967 size = b_size;
1968 }
1969 file->offset = size + offset;
1970 break;
1971
1972 default:
1973 errno = EINVAL;
1974 break;
1975
1976 }
1977
1978 return file->offset;
1979
1980 }
1981
1982 /*
1983 * Generate an inode number from file name for those things that need it
1984 */
1985
1986 static ino_t
1987 smbc_inode(SMBCCTX *context,
1988 const char *name)
1989 {
1990
1991 if (!context || !context->internal ||
1992 !context->internal->_initialized) {
1993
1994 errno = EINVAL;
1995 return -1;
1996
1997 }
1998
1999 if (!*name) return 2; /* FIXME, why 2 ??? */
2000 return (ino_t)str_checksum(name);
2001
2002 }
2003
2004 /*
2005 * Routine to put basic stat info into a stat structure ... Used by stat and
2006 * fstat below.
2007 */
2008
2009 static int
2010 smbc_setup_stat(SMBCCTX *context,
2011 struct stat *st,
2012 char *fname,
2013 SMB_OFF_T size,
2014 int mode)
2015 {
2016
2017 st->st_mode = 0;
2018
2019 if (IS_DOS_DIR(mode)) {
2020 st->st_mode = SMBC_DIR_MODE;
2021 } else {
2022 st->st_mode = SMBC_FILE_MODE;
2023 }
2024
2025 if (IS_DOS_ARCHIVE(mode)) st->st_mode |= S_IXUSR;
2026 if (IS_DOS_SYSTEM(mode)) st->st_mode |= S_IXGRP;
2027 if (IS_DOS_HIDDEN(mode)) st->st_mode |= S_IXOTH;
2028 if (!IS_DOS_READONLY(mode)) st->st_mode |= S_IWUSR;
2029
2030 st->st_size = size;
2031 #ifdef HAVE_STAT_ST_BLKSIZE
2032 st->st_blksize = 512;
2033 #endif
2034 #ifdef HAVE_STAT_ST_BLOCKS
2035 st->st_blocks = (size+511)/512;
2036 #endif
2037 st->st_uid = getuid();
2038 st->st_gid = getgid();
2039
2040 if (IS_DOS_DIR(mode)) {
2041 st->st_nlink = 2;
2042 } else {
2043 st->st_nlink = 1;
2044 }
2045
2046 if (st->st_ino == 0) {
2047 st->st_ino = smbc_inode(context, fname);
2048 }
2049
2050 return True; /* FIXME: Is this needed ? */
2051
2052 }
2053
2054 /*
2055 * Routine to stat a file given a name
2056 */
2057
2058 static int
2059 smbc_stat_ctx(SMBCCTX *context,
2060 const char *fname,
2061 struct stat *st)
2062 {
2063 SMBCSRV *srv;
2064 fstring server;
2065 fstring share;
2066 fstring user;
2067 fstring password;
2068 fstring workgroup;
2069 pstring path;
2070 struct timespec write_time_ts;
2071 struct timespec access_time_ts;
2072 struct timespec change_time_ts;
2073 SMB_OFF_T size = 0;
2074 uint16 mode = 0;
2075 SMB_INO_T ino = 0;
2076
2077 if (!context || !context->internal ||
2078 !context->internal->_initialized) {
2079
2080 errno = EINVAL; /* Best I can think of ... */
2081 return -1;
2082
2083 }
2084
2085 if (!fname) {
2086
2087 errno = EINVAL;
2088 return -1;
2089
2090 }
2091
2092 DEBUG(4, ("smbc_stat(%s)\n", fname));
2093
2094 if (smbc_parse_path(context, fname,
2095 workgroup, sizeof(workgroup),
2096 server, sizeof(server),
2097 share, sizeof(share),
2098 path, sizeof(path),
2099 user, sizeof(user),
2100 password, sizeof(password),
2101 NULL, 0)) {
2102 errno = EINVAL;
2103 return -1;
2104 }
2105
2106 if (user[0] == (char)0) fstrcpy(user, context->user);
2107
2108 srv = smbc_server(context, True,
2109 server, share, workgroup, user, password);
2110
2111 if (!srv) {
2112 return -1; /* errno set by smbc_server */
2113 }
2114
2115 if (!smbc_getatr(context, srv, path, &mode, &size,
2116 NULL,
2117 &access_time_ts,
2118 &write_time_ts,
2119 &change_time_ts,
2120 &ino)) {
2121
2122 errno = smbc_errno(context, srv->cli);
2123 return -1;
2124
2125 }
2126
2127 st->st_ino = ino;
2128
2129 smbc_setup_stat(context, st, path, size, mode);
2130
2131 set_atimespec(st, access_time_ts);
2132 set_ctimespec(st, change_time_ts);
2133 set_mtimespec(st, write_time_ts);
2134 st->st_dev = srv->dev;
2135
2136 return 0;
2137
2138 }
2139
2140 /*
2141 * Routine to stat a file given an fd
2142 */
2143
2144 static int
2145 smbc_fstat_ctx(SMBCCTX *context,
2146 SMBCFILE *file,
2147 struct stat *st)
2148 {
2149 struct timespec change_time_ts;
2150 struct timespec access_time_ts;
2151 struct timespec write_time_ts;
2152 SMB_OFF_T size;
2153 uint16 mode;
2154 fstring server;
2155 fstring share;
2156 fstring user;
2157 fstring password;
2158 pstring path;
2159 pstring targetpath;
2160 struct cli_state *targetcli;
2161 SMB_INO_T ino = 0;
2162
2163 if (!context || !context->internal ||
2164 !context->internal->_initialized) {
2165
2166 errno = EINVAL;
2167 return -1;
2168
2169 }
2170
2171 if (!file || !DLIST_CONTAINS(context->internal->_files, file)) {
2172
2173 errno = EBADF;
2174 return -1;
2175
2176 }
2177
2178 if (!file->file) {
2179
2180 return context->fstatdir(context, file, st);
2181
2182 }
2183
2184 /*d_printf(">>>fstat: parsing %s\n", file->fname);*/
2185 if (smbc_parse_path(context, file->fname,
2186 NULL, 0,
2187 server, sizeof(server),
2188 share, sizeof(share),
2189 path, sizeof(path),
2190 user, sizeof(user),
2191 password, sizeof(password),
2192 NULL, 0)) {
2193 errno = EINVAL;
2194 return -1;
2195 }
2196
2197 /*d_printf(">>>fstat: resolving %s\n", path);*/
2198 if (!cli_resolve_path("", file->srv->cli, path,
2199 &targetcli, targetpath))
2200 {
2201 d_printf("Could not resolve %s\n", path);
2202 return -1;
2203 }
2204 /*d_printf(">>>fstat: resolved path as %s\n", targetpath);*/
2205
2206 if (!cli_qfileinfo(targetcli, file->cli_fd, &mode, &size,
2207 NULL,
2208 &access_time_ts,
2209 &write_time_ts,
2210 &change_time_ts,
2211 &ino)) {
2212
2213 time_t change_time, access_time, write_time;
2214
2215 if (!cli_getattrE(targetcli, file->cli_fd, &mode, &size,
2216 &change_time, &access_time, &write_time)) {
2217
2218 errno = EINVAL;
2219 return -1;
2220 }
2221
2222 change_time_ts = convert_time_t_to_timespec(change_time);
2223 access_time_ts = convert_time_t_to_timespec(access_time);
2224 write_time_ts = convert_time_t_to_timespec(write_time);
2225 }
2226
2227 st->st_ino = ino;
2228
2229 smbc_setup_stat(context, st, file->fname, size, mode);
2230
2231 set_atimespec(st, access_time_ts);
2232 set_ctimespec(st, change_time_ts);
2233 set_mtimespec(st, write_time_ts);
2234 st->st_dev = file->srv->dev;
2235
2236 return 0;
2237
2238 }
2239
2240 /*
2241 * Routine to open a directory
2242 * We accept the URL syntax explained in smbc_parse_path(), above.
2243 */
2244
2245 static void
2246 smbc_remove_dir(SMBCFILE *dir)
2247 {
2248 struct smbc_dir_list *d,*f;
2249
2250 d = dir->dir_list;
2251 while (d) {
2252
2253 f = d; d = d->next;
2254
2255 SAFE_FREE(f->dirent);
2256 SAFE_FREE(f);
2257
2258 }
2259
2260 dir->dir_list = dir->dir_end = dir->dir_next = NULL;
2261
2262 }
2263
2264 static int
2265 add_dirent(SMBCFILE *dir,
2266 const char *name,
2267 const char *comment,
2268 uint32 type)
2269 {
2270 struct smbc_dirent *dirent;
2271 int size;
2272 int name_length = (name == NULL ? 0 : strlen(name));
2273 int comment_len = (comment == NULL ? 0 : strlen(comment));
2274
2275 /*
2276 * Allocate space for the dirent, which must be increased by the
2277 * size of the name and the comment and 1 each for the null terminator.
2278 */
2279
2280 size = sizeof(struct smbc_dirent) + name_length + comment_len + 2;
2281
2282 dirent = (struct smbc_dirent *)SMB_MALLOC(size);
2283
2284 if (!dirent) {
2285
2286 dir->dir_error = ENOMEM;
2287 return -1;
2288
2289 }
2290
2291 ZERO_STRUCTP(dirent);
2292
2293 if (dir->dir_list == NULL) {
2294
2295 dir->dir_list = SMB_MALLOC_P(struct smbc_dir_list);
2296 if (!dir->dir_list) {
2297
2298 SAFE_FREE(dirent);
2299 dir->dir_error = ENOMEM;
2300 return -1;
2301
2302 }
2303 ZERO_STRUCTP(dir->dir_list);
2304
2305 dir->dir_end = dir->dir_next = dir->dir_list;
2306 }
2307 else {
2308
2309 dir->dir_end->next = SMB_MALLOC_P(struct smbc_dir_list);
2310
2311 if (!dir->dir_end->next) {
2312
2313 SAFE_FREE(dirent);
2314 dir->dir_error = ENOMEM;
2315 return -1;
2316
2317 }
2318 ZERO_STRUCTP(dir->dir_end->next);
2319
2320 dir->dir_end = dir->dir_end->next;
2321 }
2322
2323 dir->dir_end->next = NULL;
2324 dir->dir_end->dirent = dirent;
2325
2326 dirent->smbc_type = type;
2327 dirent->namelen = name_length;
2328 dirent->commentlen = comment_len;
2329 dirent->dirlen = size;
2330
2331 /*
2332 * dirent->namelen + 1 includes the null (no null termination needed)
2333 * Ditto for dirent->commentlen.
2334 * The space for the two null bytes was allocated.
2335 */
2336 strncpy(dirent->name, (name?name:""), dirent->namelen + 1);
2337 dirent->comment = (char *)(&dirent->name + dirent->namelen + 1);
2338 strncpy(dirent->comment, (comment?comment:""), dirent->commentlen + 1);
2339
2340 return 0;
2341
2342 }
2343
2344 static void
2345 list_unique_wg_fn(const char *name,
2346 uint32 type,
2347 const char *comment,
2348 void *state)
2349 {
2350 SMBCFILE *dir = (SMBCFILE *)state;
2351 struct smbc_dir_list *dir_list;
2352 struct smbc_dirent *dirent;
2353 int dirent_type;
2354 int do_remove = 0;
2355
2356 dirent_type = dir->dir_type;
2357
2358 if (add_dirent(dir, name, comment, dirent_type) < 0) {
2359
2360 /* An error occurred, what do we do? */
2361 /* FIXME: Add some code here */
2362 }
2363
2364 /* Point to the one just added */
2365 dirent = dir->dir_end->dirent;
2366
2367 /* See if this was a duplicate */
2368 for (dir_list = dir->dir_list;
2369 dir_list != dir->dir_end;
2370 dir_list = dir_list->next) {
2371 if (! do_remove &&
2372 strcmp(dir_list->dirent->name, dirent->name) == 0) {
2373 /* Duplicate. End end of list need to be removed. */
2374 do_remove = 1;
2375 }
2376
2377 if (do_remove && dir_list->next == dir->dir_end) {
2378 /* Found the end of the list. Remove it. */
2379 dir->dir_end = dir_list;
2380 free(dir_list->next);
2381 free(dirent);
2382 dir_list->next = NULL;
2383 break;
2384 }
2385 }
2386 }
2387
2388 static void
2389 list_fn(const char *name,
2390 uint32 type,
2391 const char *comment,
2392 void *state)
2393 {
2394 SMBCFILE *dir = (SMBCFILE *)state;
2395 int dirent_type;
2396
2397 /*
2398 * We need to process the type a little ...
2399 *
2400 * Disk share = 0x00000000
2401 * Print share = 0x00000001
2402 * Comms share = 0x00000002 (obsolete?)
2403 * IPC$ share = 0x00000003
2404 *
2405 * administrative shares:
2406 * ADMIN$, IPC$, C$, D$, E$ ... are type |= 0x80000000
2407 */
2408
2409 if (dir->dir_type == SMBC_FILE_SHARE) {
2410
2411 switch (type) {
2412 case 0 | 0x80000000:
2413 case 0:
2414 dirent_type = SMBC_FILE_SHARE;
2415 break;
2416
2417 case 1:
2418 dirent_type = SMBC_PRINTER_SHARE;
2419 break;
2420
2421 case 2:
2422 dirent_type = SMBC_COMMS_SHARE;
2423 break;
2424
2425 case 3 | 0x80000000:
2426 case 3:
2427 dirent_type = SMBC_IPC_SHARE;
2428 break;
2429
2430 default:
2431 dirent_type = SMBC_FILE_SHARE; /* FIXME, error? */
2432 break;
2433 }
2434 }
2435 else {
2436 dirent_type = dir->dir_type;
2437 }
2438
2439 if (add_dirent(dir, name, comment, dirent_type) < 0) {
2440
2441 /* An error occurred, what do we do? */
2442 /* FIXME: Add some code here */
2443
2444 }
2445 }
2446
2447 static void
2448 dir_list_fn(const char *mnt,
2449 file_info *finfo,
2450 const char *mask,
2451 void *state)
2452 {
2453
2454 if (add_dirent((SMBCFILE *)state, finfo->name, "",
2455 (finfo->mode&aDIR?SMBC_DIR:SMBC_FILE)) < 0) {
2456
2457 /* Handle an error ... */
2458
2459 /* FIXME: Add some code ... */
2460
2461 }
2462
2463 }
2464
2465 static int
2466 net_share_enum_rpc(struct cli_state *cli,
2467 void (*fn)(const char *name,
2468 uint32 type,
2469 const char *comment,
2470 void *state),
2471 void *state)
2472 {
2473 int i;
2474 WERROR result;
2475 ENUM_HND enum_hnd;
2476 uint32 info_level = 1;
2477 uint32 preferred_len = 0xffffffff;
2478 uint32 type;
2479 SRV_SHARE_INFO_CTR ctr;
2480 fstring name = "";
2481 fstring comment = "";
2482 void *mem_ctx;
2483 struct rpc_pipe_client *pipe_hnd;
2484 NTSTATUS nt_status;
2485
2486 /* Open the server service pipe */
2487 pipe_hnd = cli_rpc_pipe_open_noauth(cli, PI_SRVSVC, &nt_status);
2488 if (!pipe_hnd) {
2489 DEBUG(1, ("net_share_enum_rpc pipe open fail!\n"));
2490 return -1;
2491 }
2492
2493 /* Allocate a context for parsing and for the entries in "ctr" */
2494 mem_ctx = talloc_init("libsmbclient: net_share_enum_rpc");
2495 if (mem_ctx == NULL) {
2496 DEBUG(0, ("out of memory for net_share_enum_rpc!\n"));
2497 cli_rpc_pipe_close(pipe_hnd);
2498 return -1;
2499 }
2500
2501 /* Issue the NetShareEnum RPC call and retrieve the response */
2502 init_enum_hnd(&enum_hnd, 0);
2503 result = rpccli_srvsvc_net_share_enum(pipe_hnd,
2504 mem_ctx,
2505 info_level,
2506 &ctr,
2507 preferred_len,
2508 &enum_hnd);
2509
2510 /* Was it successful? */
2511 if (!W_ERROR_IS_OK(result) || ctr.num_entries == 0) {
2512 /* Nope. Go clean up. */
2513 goto done;
2514 }
2515
2516 /* For each returned entry... */
2517 for (i = 0; i < ctr.num_entries; i++) {
2518
2519 /* pull out the share name */
2520 rpcstr_pull_unistr2_fstring(
2521 name, &ctr.share.info1[i].info_1_str.uni_netname);
2522
2523 /* pull out the share's comment */
2524 rpcstr_pull_unistr2_fstring(
2525 comment, &ctr.share.info1[i].info_1_str.uni_remark);
2526
2527 /* Get the type value */
2528 type = ctr.share.info1[i].info_1.type;
2529
2530 /* Add this share to the list */
2531 (*fn)(name, type, comment, state);
2532 }
2533
2534 done:
2535 /* Close the server service pipe */
2536 cli_rpc_pipe_close(pipe_hnd);
2537
2538 /* Free all memory which was allocated for this request */
2539 TALLOC_FREE(mem_ctx);
2540
2541 /* Tell 'em if it worked */
2542 return W_ERROR_IS_OK(result) ? 0 : -1;
2543 }
2544
2545
2546
2547 static SMBCFILE *
2548 smbc_opendir_ctx(SMBCCTX *context,
2549 const char *fname)
2550 {
2551 int saved_errno;
2552 fstring server, share, user, password, options;
2553 pstring workgroup;
2554 pstring path;
2555 uint16 mode;
2556 char *p;
2557 SMBCSRV *srv = NULL;
2558 SMBCFILE *dir = NULL;
2559 struct _smbc_callbacks *cb;
2560 struct in_addr rem_ip;
2561
2562 if (!context || !context->internal ||
2563 !context->internal->_initialized) {
2564 DEBUG(4, ("no valid context\n"));
2565 errno = EINVAL + 8192;
2566 return NULL;
2567
2568 }
2569
2570 if (!fname) {
2571 DEBUG(4, ("no valid fname\n"));
2572 errno = EINVAL + 8193;
2573 return NULL;
2574 }
2575
2576 if (smbc_parse_path(context, fname,
2577 workgroup, sizeof(workgroup),
2578 server, sizeof(server),
2579 share, sizeof(share),
2580 path, sizeof(path),
2581 user, sizeof(user),
2582 password, sizeof(password),
2583 options, sizeof(options))) {
2584 DEBUG(4, ("no valid path\n"));
2585 errno = EINVAL + 8194;
2586 return NULL;
2587 }
2588
2589 DEBUG(4, ("parsed path: fname='%s' server='%s' share='%s' "
2590 "path='%s' options='%s'\n",
2591 fname, server, share, path, options));
2592
2593 /* Ensure the options are valid */
2594 if (smbc_check_options(server, share, path, options)) {
2595 DEBUG(4, ("unacceptable options (%s)\n", options));
2596 errno = EINVAL + 8195;
2597 return NULL;
2598 }
2599
2600 if (user[0] == (char)0) fstrcpy(user, context->user);
2601
2602 dir = SMB_MALLOC_P(SMBCFILE);
2603
2604 if (!dir) {
2605
2606 errno = ENOMEM;
2607 return NULL;
2608
2609 }
2610
2611 ZERO_STRUCTP(dir);
2612
2613 dir->cli_fd = 0;
2614 dir->fname = SMB_STRDUP(fname);
2615 dir->srv = NULL;
2616 dir->offset = 0;
2617 dir->file = False;
2618 dir->dir_list = dir->dir_next = dir->dir_end = NULL;
2619
2620 if (server[0] == (char)0) {
2621
2622 int i;
2623 int count;
2624 int max_lmb_count;
2625 struct ip_service *ip_list;
2626 struct ip_service server_addr;
2627 struct user_auth_info u_info;
2628 struct cli_state *cli;
2629
2630 if (share[0] != (char)0 || path[0] != (char)0) {
2631
2632 errno = EINVAL + 8196;
2633 if (dir) {
2634 SAFE_FREE(dir->fname);
2635 SAFE_FREE(dir);
2636 }
2637 return NULL;
2638 }
2639
2640 /* Determine how many local master browsers to query */
2641 max_lmb_count = (context->options.browse_max_lmb_count == 0
2642 ? INT_MAX
2643 : context->options.browse_max_lmb_count);
2644
2645 pstrcpy(u_info.username, user);
2646 pstrcpy(u_info.password, password);
2647
2648 /*
2649 * We have server and share and path empty but options
2650 * requesting that we scan all master browsers for their list
2651 * of workgroups/domains. This implies that we must first try
2652 * broadcast queries to find all master browsers, and if that
2653 * doesn't work, then try our other methods which return only
2654 * a single master browser.
2655 */
2656
2657 ip_list = NULL;
2658 if (!name_resolve_bcast(MSBROWSE, 1, &ip_list, &count)) {
2659
2660 SAFE_FREE(ip_list);
2661
2662 if (!find_master_ip(workgroup, &server_addr.ip)) {
2663
2664 if (dir) {
2665 SAFE_FREE(dir->fname);
2666 SAFE_FREE(dir);
2667 }
2668 errno = ENOENT;
2669 return NULL;
2670 }
2671
2672 ip_list = &server_addr;
2673 count = 1;
2674 }
2675
2676 for (i = 0; i < count && i < max_lmb_count; i++) {
2677 DEBUG(99, ("Found master browser %d of %d: %s\n",
2678 i+1, MAX(count, max_lmb_count),
2679 inet_ntoa(ip_list[i].ip)));
2680
2681 cli = get_ipc_connect_master_ip(&ip_list[i],
2682 workgroup, &u_info);
2683 /* cli == NULL is the master browser refused to talk or
2684 could not be found */
2685 if ( !cli )
2686 continue;
2687
2688 fstrcpy(server, cli->desthost);
2689 cli_shutdown(cli);
2690
2691 DEBUG(4, ("using workgroup %s %s\n",
2692 workgroup, server));
2693
2694 /*
2695 * For each returned master browser IP address, get a
2696 * connection to IPC$ on the server if we do not
2697 * already have one, and determine the
2698 * workgroups/domains that it knows about.
2699 */
2700
2701 srv = smbc_server(context, True, server, "IPC$",
2702 workgroup, user, password);
2703 if (!srv) {
2704 continue;
2705 }
2706
2707 dir->srv = srv;
2708 dir->dir_type = SMBC_WORKGROUP;
2709
2710 /* Now, list the stuff ... */
2711
2712 if (!cli_NetServerEnum(srv->cli,
2713 workgroup,
2714 SV_TYPE_DOMAIN_ENUM,
2715 list_unique_wg_fn,
2716 (void *)dir)) {
2717 continue;
2718 }
2719 }
2720
2721 SAFE_FREE(ip_list);
2722 } else {
2723 /*
2724 * Server not an empty string ... Check the rest and see what
2725 * gives
2726 */
2727 if (*share == '\0') {
2728 if (*path != '\0') {
2729
2730 /* Should not have empty share with path */
2731 errno = EINVAL + 8197;
2732 if (dir) {
2733 SAFE_FREE(dir->fname);
2734 SAFE_FREE(dir);
2735 }
2736 return NULL;
2737
2738 }
2739
2740 /*
2741 * We don't know if <server> is really a server name
2742 * or is a workgroup/domain name. If we already have
2743 * a server structure for it, we'll use it.
2744 * Otherwise, check to see if <server><1D>,
2745 * <server><1B>, or <server><20> translates. We check
2746 * to see if <server> is an IP address first.
2747 */
2748
2749 /*
2750 * See if we have an existing server. Do not
2751 * establish a connection if one does not already
2752 * exist.
2753 */
2754 srv = smbc_server(context, False, server, "IPC$",
2755 workgroup, user, password);
2756
2757 /*
2758 * If no existing server and not an IP addr, look for
2759 * LMB or DMB
2760 */
2761 if (!srv &&
2762 !is_ipaddress(server) &&
2763 (resolve_name(server, &rem_ip, 0x1d) || /* LMB */
2764 resolve_name(server, &rem_ip, 0x1b) )) { /* DMB */
2765
2766 fstring buserver;
2767
2768 dir->dir_type = SMBC_SERVER;
2769
2770 /*
2771 * Get the backup list ...
2772 */
2773 if (!name_status_find(server, 0, 0,
2774 rem_ip, buserver)) {
2775
2776 DEBUG(0, ("Could not get name of "
2777 "local/domain master browser "
2778 "for server %s\n", server));
2779 if (dir) {
2780 SAFE_FREE(dir->fname);
2781 SAFE_FREE(dir);
2782 }
2783 errno = EPERM;
2784 return NULL;
2785
2786 }
2787
2788 /*
2789 * Get a connection to IPC$ on the server if
2790 * we do not already have one
2791 */
2792 srv = smbc_server(context, True,
2793 buserver, "IPC$",
2794 workgroup, user, password);
2795 if (!srv) {
2796 DEBUG(0, ("got no contact to IPC$\n"));
2797 if (dir) {
2798 SAFE_FREE(dir->fname);
2799 SAFE_FREE(dir);
2800 }
2801 return NULL;
2802
2803 }
2804
2805 dir->srv = srv;
2806
2807 /* Now, list the servers ... */
2808 if (!cli_NetServerEnum(srv->cli, server,
2809 0x0000FFFE, list_fn,
2810 (void *)dir)) {
2811
2812 if (dir) {
2813 SAFE_FREE(dir->fname);
2814 SAFE_FREE(dir);
2815 }
2816 return NULL;
2817 }
2818 } else if (srv ||
2819 (resolve_name(server, &rem_ip, 0x20))) {
2820
2821 /* If we hadn't found the server, get one now */
2822 if (!srv) {
2823 srv = smbc_server(context, True,
2824 server, "IPC$",
2825 workgroup,
2826 user, password);
2827 }
2828
2829 if (!srv) {
2830 if (dir) {
2831 SAFE_FREE(dir->fname);
2832 SAFE_FREE(dir);
2833 }
2834 return NULL;
2835
2836 }
2837
2838 dir->dir_type = SMBC_FILE_SHARE;
2839 dir->srv = srv;
2840
2841 /* List the shares ... */
2842
2843 if (net_share_enum_rpc(
2844 srv->cli,
2845 list_fn,
2846 (void *) dir) < 0 &&
2847 cli_RNetShareEnum(
2848 srv->cli,
2849 list_fn,
2850 (void *)dir) < 0) {
2851
2852 errno = cli_errno(srv->cli);
2853 if (dir) {
2854 SAFE_FREE(dir->fname);
2855 SAFE_FREE(dir);
2856 }
2857 return NULL;
2858
2859 }
2860 } else {
2861 /* Neither the workgroup nor server exists */
2862 errno = ECONNREFUSED;
2863 if (dir) {
2864 SAFE_FREE(dir->fname);
2865 SAFE_FREE(dir);
2866 }
2867 return NULL;
2868 }
2869
2870 }
2871 else {
2872 /*
2873 * The server and share are specified ... work from
2874 * there ...
2875 */
2876 pstring targetpath;
2877 struct cli_state *targetcli;
2878
2879 /* We connect to the server and list the directory */
2880 dir->dir_type = SMBC_FILE_SHARE;
2881
2882 srv = smbc_server(context, True, server, share,
2883 workgroup, user, password);
2884
2885 if (!srv) {
2886
2887 if (dir) {
2888 SAFE_FREE(dir->fname);
2889 SAFE_FREE(dir);
2890 }
2891 return NULL;
2892
2893 }
2894
2895 dir->srv = srv;
2896
2897 /* Now, list the files ... */
2898
2899 p = path + strlen(path);
2900 pstrcat(path, "\\*");
2901
2902 if (!cli_resolve_path("", srv->cli, path,
2903 &targetcli, targetpath))
2904 {
2905 d_printf("Could not resolve %s\n", path);
2906 if (dir) {
2907 SAFE_FREE(dir->fname);
2908 SAFE_FREE(dir);
2909 }
2910 return NULL;
2911 }
2912
2913 if (cli_list(targetcli, targetpath,
2914 aDIR | aSYSTEM | aHIDDEN,
2915 dir_list_fn, (void *)dir) < 0) {
2916
2917 if (dir) {
2918 SAFE_FREE(dir->fname);
2919 SAFE_FREE(dir);
2920 }
2921 saved_errno = smbc_errno(context, targetcli);
2922
2923 if (saved_errno == EINVAL) {
2924 /*
2925 * See if they asked to opendir something
2926 * other than a directory. If so, the
2927 * converted error value we got would have
2928 * been EINVAL rather than ENOTDIR.
2929 */
2930 *p = '\0'; /* restore original path */
2931
2932 if (smbc_getatr(context, srv, path,
2933 &mode, NULL,
2934 NULL, NULL, NULL, NULL,
2935 NULL) &&
2936 ! IS_DOS_DIR(mode)) {
2937
2938 /* It is. Correct the error value */
2939 saved_errno = ENOTDIR;
2940 }
2941 }
2942
2943 /*
2944 * If there was an error and the server is no
2945 * good any more...
2946 */
2947 cb = &context->callbacks;
2948 if (cli_is_error(targetcli) &&
2949 cb->check_server_fn(context, srv)) {
2950
2951 /* ... then remove it. */
2952 if (cb->remove_unused_server_fn(context,
2953 srv)) {
2954 /*
2955 * We could not remove the server
2956 * completely, remove it from the
2957 * cache so we will not get it
2958 * again. It will be removed when the
2959 * last file/dir is closed.
2960 */
2961 cb->remove_cached_srv_fn(context, srv);
2962 }
2963 }
2964
2965 errno = saved_errno;
2966 return NULL;
2967 }
2968 }
2969
2970 }
2971
2972 DLIST_ADD(context->internal->_files, dir);
2973 return dir;
2974
2975 }
2976
2977 /*
2978 * Routine to close a directory
2979 */
2980
2981 static int
2982 smbc_closedir_ctx(SMBCCTX *context,
2983 SMBCFILE *dir)
2984 {
2985
2986 if (!context || !context->internal ||
2987 !context->internal->_initialized) {
2988
2989 errno = EINVAL;
2990 return -1;
2991
2992 }
2993
2994 if (!dir || !DLIST_CONTAINS(context->internal->_files, dir)) {
2995
2996 errno = EBADF;
2997 return -1;
2998
2999 }
3000
3001 smbc_remove_dir(dir); /* Clean it up */
3002
3003 DLIST_REMOVE(context->internal->_files, dir);
3004
3005 if (dir) {
3006
3007 SAFE_FREE(dir->fname);
3008 SAFE_FREE(dir); /* Free the space too */
3009 }
3010
3011 return 0;
3012
3013 }
3014
3015 static void
3016 smbc_readdir_internal(SMBCCTX * context,
3017 struct smbc_dirent *dest,
3018 struct smbc_dirent *src,
3019 int max_namebuf_len)
3020 {
3021 if (context->options.urlencode_readdir_entries) {
3022
3023 /* url-encode the name. get back remaining buffer space */
3024 max_namebuf_len =
3025 smbc_urlencode(dest->name, src->name, max_namebuf_len);
3026
3027 /* We now know the name length */
3028 dest->namelen = strlen(dest->name);
3029
3030 /* Save the pointer to the beginning of the comment */
3031 dest->comment = dest->name + dest->namelen + 1;
3032
3033 /* Copy the comment */
3034 strncpy(dest->comment, src->comment, max_namebuf_len - 1);
3035 dest->comment[max_namebuf_len - 1] = '\0';
3036
3037 /* Save other fields */
3038 dest->smbc_type = src->smbc_type;
3039 dest->commentlen = strlen(dest->comment);
3040 dest->dirlen = ((dest->comment + dest->commentlen + 1) -
3041 (char *) dest);
3042 } else {
3043
3044 /* No encoding. Just copy the entry as is. */
3045 memcpy(dest, src, src->dirlen);
3046 dest->comment = (char *)(&dest->name + src->namelen + 1);
3047 }
3048
3049 }
3050
3051 /*
3052 * Routine to get a directory entry
3053 */
3054
3055 struct smbc_dirent *
3056 smbc_readdir_ctx(SMBCCTX *context,
3057 SMBCFILE *dir)
3058 {
3059 int maxlen;
3060 struct smbc_dirent *dirp, *dirent;
3061
3062 /* Check that all is ok first ... */
3063
3064 if (!context || !context->internal ||
3065 !context->internal->_initialized) {
3066
3067 errno = EINVAL;
3068 DEBUG(0, ("Invalid context in smbc_readdir_ctx()\n"));
3069 return NULL;
3070
3071 }
3072
3073 if (!dir || !DLIST_CONTAINS(context->internal->_files, dir)) {
3074
3075 errno = EBADF;
3076 DEBUG(0, ("Invalid dir in smbc_readdir_ctx()\n"));
3077 return NULL;
3078
3079 }
3080
3081 if (dir->file != False) { /* FIXME, should be dir, perhaps */
3082
3083 errno = ENOTDIR;
3084 DEBUG(0, ("Found file vs directory in smbc_readdir_ctx()\n"));
3085 return NULL;
3086
3087 }
3088
3089 if (!dir->dir_next) {
3090 return NULL;
3091 }
3092
3093 dirent = dir->dir_next->dirent;
3094 if (!dirent) {
3095
3096 errno = ENOENT;
3097 return NULL;
3098
3099 }
3100
3101 dirp = (struct smbc_dirent *)context->internal->_dirent;
3102 maxlen = (sizeof(context->internal->_dirent) -
3103 sizeof(struct smbc_dirent));
3104
3105 smbc_readdir_internal(context, dirp, dirent, maxlen);
3106
3107 dir->dir_next = dir->dir_next->next;
3108
3109 return dirp;
3110 }
3111
3112 /*
3113 * Routine to get directory entries
3114 */
3115
3116 static int
3117 smbc_getdents_ctx(SMBCCTX *context,
3118 SMBCFILE *dir,
3119 struct smbc_dirent *dirp,
3120 int count)
3121 {
3122 int rem = count;
3123 int reqd;
3124 int maxlen;
3125 char *ndir = (char *)dirp;
3126 struct smbc_dir_list *dirlist;
3127
3128 /* Check that all is ok first ... */
3129
3130 if (!context || !context->internal ||
3131 !context->internal->_initialized) {
3132
3133 errno = EINVAL;
3134 return -1;
3135
3136 }
3137
3138 if (!dir || !DLIST_CONTAINS(context->internal->_files, dir)) {
3139
3140 errno = EBADF;
3141 return -1;
3142
3143 }
3144
3145 if (dir->file != False) { /* FIXME, should be dir, perhaps */
3146
3147 errno = ENOTDIR;
3148 return -1;
3149
3150 }
3151
3152 /*
3153 * Now, retrieve the number of entries that will fit in what was passed
3154 * We have to figure out if the info is in the list, or we need to
3155 * send a request to the server to get the info.
3156 */
3157
3158 while ((dirlist = dir->dir_next)) {
3159 struct smbc_dirent *dirent;
3160
3161 if (!dirlist->dirent) {
3162
3163 errno = ENOENT; /* Bad error */
3164 return -1;
3165
3166 }
3167
3168 /* Do urlencoding of next entry, if so selected */
3169 dirent = (struct smbc_dirent *)context->internal->_dirent;
3170 maxlen = (sizeof(context->internal->_dirent) -
3171 sizeof(struct smbc_dirent));
3172 smbc_readdir_internal(context, dirent, dirlist->dirent, maxlen);
3173
3174 reqd = dirent->dirlen;
3175
3176 if (rem < reqd) {
3177
3178 if (rem < count) { /* We managed to copy something */
3179
3180 errno = 0;
3181 return count - rem;
3182
3183 }
3184 else { /* Nothing copied ... */
3185
3186 errno = EINVAL; /* Not enough space ... */
3187 return -1;
3188
3189 }
3190
3191 }
3192
3193 memcpy(ndir, dirent, reqd); /* Copy the data in ... */
3194
3195 ((struct smbc_dirent *)ndir)->comment =
3196 (char *)(&((struct smbc_dirent *)ndir)->name +
3197 dirent->namelen +
3198 1);
3199
3200 ndir += reqd;
3201
3202 rem -= reqd;
3203
3204 dir->dir_next = dirlist = dirlist -> next;
3205 }
3206
3207 if (rem == count)
3208 return 0;
3209 else
3210 return count - rem;
3211
3212 }
3213
3214 /*
3215 * Routine to create a directory ...
3216 */
3217
3218 static int
3219 smbc_mkdir_ctx(SMBCCTX *context,
3220 const char *fname,
3221 mode_t mode)
3222 {
3223 SMBCSRV *srv;
3224 fstring server;
3225 fstring share;
3226 fstring user;
3227 fstring password;
3228 fstring workgroup;
3229 pstring path, targetpath;
3230 struct cli_state *targetcli;
3231
3232 if (!context || !context->internal ||
3233 !context->internal->_initialized) {
3234
3235 errno = EINVAL;
3236 return -1;
3237
3238 }
3239
3240 if (!fname) {
3241
3242 errno = EINVAL;
3243 return -1;
3244
3245 }
3246
3247 DEBUG(4, ("smbc_mkdir(%s)\n", fname));
3248
3249 if (smbc_parse_path(context, fname,
3250 workgroup, sizeof(workgroup),
3251 server, sizeof(server),
3252 share, sizeof(share),
3253 path, sizeof(path),
3254 user, sizeof(user),
3255 password, sizeof(password),
3256 NULL, 0)) {
3257 errno = EINVAL;
3258 return -1;
3259 }
3260
3261 if (user[0] == (char)0) fstrcpy(user, context->user);
3262
3263 srv = smbc_server(context, True,
3264 server, share, workgroup, user, password);
3265
3266 if (!srv) {
3267
3268 return -1; /* errno set by smbc_server */
3269
3270 }
3271
3272 /*d_printf(">>>mkdir: resolving %s\n", path);*/
3273 if (!cli_resolve_path( "", srv->cli, path, &targetcli, targetpath))
3274 {
3275 d_printf("Could not resolve %s\n", path);
3276 return -1;
3277 }
3278 /*d_printf(">>>mkdir: resolved path as %s\n", targetpath);*/
3279
3280 if (!cli_mkdir(targetcli, targetpath)) {
3281
3282 errno = smbc_errno(context, targetcli);
3283 return -1;
3284
3285 }
3286
3287 return 0;
3288
3289 }
3290
3291 /*
3292 * Our list function simply checks to see if a directory is not empty
3293 */
3294
3295 static int smbc_rmdir_dirempty = True;
3296
3297 static void
3298 rmdir_list_fn(const char *mnt,
3299 file_info *finfo,
3300 const char *mask,
3301 void *state)
3302 {
3303 if (strncmp(finfo->name, ".", 1) != 0 &&
3304 strncmp(finfo->name, "..", 2) != 0) {
3305
3306 smbc_rmdir_dirempty = False;
3307 }
3308 }
3309
3310 /*
3311 * Routine to remove a directory
3312 */
3313
3314 static int
3315 smbc_rmdir_ctx(SMBCCTX *context,
3316 const char *fname)
3317 {
3318 SMBCSRV *srv;
3319 fstring server;
3320 fstring share;
3321 fstring user;
3322 fstring password;
3323 fstring workgroup;
3324 pstring path;
3325 pstring targetpath;
3326 struct cli_state *targetcli;
3327
3328 if (!context || !context->internal ||
3329 !context->internal->_initialized) {
3330
3331 errno = EINVAL;
3332 return -1;
3333
3334 }
3335
3336 if (!fname) {
3337
3338 errno = EINVAL;
3339 return -1;
3340
3341 }
3342
3343 DEBUG(4, ("smbc_rmdir(%s)\n", fname));
3344
3345 if (smbc_parse_path(context, fname,
3346 workgroup, sizeof(workgroup),
3347 server, sizeof(server),
3348 share, sizeof(share),
3349 path, sizeof(path),
3350 user, sizeof(user),
3351 password, sizeof(password),
3352 NULL, 0))
3353 {
3354 errno = EINVAL;
3355 return -1;
3356 }
3357
3358 if (user[0] == (char)0) fstrcpy(user, context->user);
3359
3360 srv = smbc_server(context, True,
3361 server, share, workgroup, user, password);
3362
3363 if (!srv) {
3364
3365 return -1; /* errno set by smbc_server */
3366
3367 }
3368
3369 /*d_printf(">>>rmdir: resolving %s\n", path);*/
3370 if (!cli_resolve_path( "", srv->cli, path, &targetcli, targetpath))
3371 {
3372 d_printf("Could not resolve %s\n", path);
3373 return -1;
3374 }
3375 /*d_printf(">>>rmdir: resolved path as %s\n", targetpath);*/
3376
3377
3378 if (!cli_rmdir(targetcli, targetpath)) {
3379
3380 errno = smbc_errno(context, targetcli);
3381
3382 if (errno == EACCES) { /* Check if the dir empty or not */
3383
3384 /* Local storage to avoid buffer overflows */
3385 pstring lpath;
3386
3387 smbc_rmdir_dirempty = True; /* Make this so ... */
3388
3389 pstrcpy(lpath, targetpath);
3390 pstrcat(lpath, "\\*");
3391
3392 if (cli_list(targetcli, lpath,
3393 aDIR | aSYSTEM | aHIDDEN,
3394 rmdir_list_fn, NULL) < 0) {
3395
3396 /* Fix errno to ignore latest error ... */
3397 DEBUG(5, ("smbc_rmdir: "
3398 "cli_list returned an error: %d\n",
3399 smbc_errno(context, targetcli)));
3400 errno = EACCES;
3401
3402 }
3403
3404 if (smbc_rmdir_dirempty)
3405 errno = EACCES;
3406 else
3407 errno = ENOTEMPTY;
3408
3409 }
3410
3411 return -1;
3412
3413 }
3414
3415 return 0;
3416
3417 }
3418
3419 /*
3420 * Routine to return the current directory position
3421 */
3422
3423 static off_t
3424 smbc_telldir_ctx(SMBCCTX *context,
3425 SMBCFILE *dir)
3426 {
3427 off_t ret_val; /* Squash warnings about cast */
3428
3429 if (!context || !context->internal ||
3430 !context->internal->_initialized) {
3431
3432 errno = EINVAL;
3433 return -1;
3434
3435 }
3436
3437 if (!dir || !DLIST_CONTAINS(context->internal->_files, dir)) {
3438
3439 errno = EBADF;
3440 return -1;
3441
3442 }
3443
3444 if (dir->file != False) { /* FIXME, should be dir, perhaps */
3445
3446 errno = ENOTDIR;
3447 return -1;
3448
3449 }
3450
3451 /*
3452 * We return the pointer here as the offset
3453 */
3454 ret_val = (off_t)(long)dir->dir_next;
3455 return ret_val;
3456
3457 }
3458
3459 /*
3460 * A routine to run down the list and see if the entry is OK
3461 */
3462
3463 struct smbc_dir_list *
3464 smbc_check_dir_ent(struct smbc_dir_list *list,
3465 struct smbc_dirent *dirent)
3466 {
3467
3468 /* Run down the list looking for what we want */
3469
3470 if (dirent) {
3471
3472 struct smbc_dir_list *tmp = list;
3473
3474 while (tmp) {
3475
3476 if (tmp->dirent == dirent)
3477 return tmp;
3478
3479 tmp = tmp->next;
3480
3481 }
3482
3483 }
3484
3485 return NULL; /* Not found, or an error */
3486
3487 }
3488
3489
3490 /*
3491 * Routine to seek on a directory
3492 */
3493
3494 static int
3495 smbc_lseekdir_ctx(SMBCCTX *context,
3496 SMBCFILE *dir,
3497 off_t offset)
3498 {
3499 long int l_offset = offset; /* Handle problems of size */
3500 struct smbc_dirent *dirent = (struct smbc_dirent *)l_offset;
3501 struct smbc_dir_list *list_ent = (struct smbc_dir_list *)NULL;
3502
3503 if (!context || !context->internal ||
3504 !context->internal->_initialized) {
3505
3506 errno = EINVAL;
3507 return -1;
3508
3509 }
3510
3511 if (dir->file != False) { /* FIXME, should be dir, perhaps */
3512
3513 errno = ENOTDIR;
3514 return -1;
3515
3516 }
3517
3518 /* Now, check what we were passed and see if it is OK ... */
3519
3520 if (dirent == NULL) { /* Seek to the begining of the list */
3521
3522 dir->dir_next = dir->dir_list;
3523 return 0;
3524
3525 }
3526
3527 /* Now, run down the list and make sure that the entry is OK */
3528 /* This may need to be changed if we change the format of the list */
3529
3530 if ((list_ent = smbc_check_dir_ent(dir->dir_list, dirent)) == NULL) {
3531
3532 errno = EINVAL; /* Bad entry */
3533 return -1;
3534
3535 }
3536
3537 dir->dir_next = list_ent;
3538
3539 return 0;
3540
3541 }
3542
3543 /*
3544 * Routine to fstat a dir
3545 */
3546
3547 static int
3548 smbc_fstatdir_ctx(SMBCCTX *context,
3549 SMBCFILE *dir,
3550 struct stat *st)
3551 {
3552
3553 if (!context || !context->internal ||
3554 !context->internal->_initialized) {
3555
3556 errno = EINVAL;
3557 return -1;
3558
3559 }
3560
3561 /* No code yet ... */
3562
3563 return 0;
3564
3565 }
3566
3567 static int
3568 smbc_chmod_ctx(SMBCCTX *context,
3569 const char *fname,
3570 mode_t newmode)
3571 {
3572 SMBCSRV *srv;
3573 fstring server;
3574 fstring share;
3575 fstring user;
3576 fstring password;
3577 fstring workgroup;
3578 pstring path;
3579 uint16 mode;
3580
3581 if (!context || !context->internal ||
3582 !context->internal->_initialized) {
3583
3584 errno = EINVAL; /* Best I can think of ... */
3585 return -1;
3586
3587 }
3588
3589 if (!fname) {
3590
3591 errno = EINVAL;
3592 return -1;
3593
3594 }
3595
3596 DEBUG(4, ("smbc_chmod(%s, 0%3o)\n", fname, newmode));
3597
3598 if (smbc_parse_path(context, fname,
3599 workgroup, sizeof(workgroup),
3600 server, sizeof(server),
3601 share, sizeof(share),
3602 path, sizeof(path),
3603 user, sizeof(user),
3604 password, sizeof(password),
3605 NULL, 0)) {
3606 errno = EINVAL;
3607 return -1;
3608 }
3609
3610 if (user[0] == (char)0) fstrcpy(user, context->user);
3611
3612 srv = smbc_server(context, True,
3613 server, share, workgroup, user, password);
3614
3615 if (!srv) {
3616 return -1; /* errno set by smbc_server */
3617 }
3618
3619 mode = 0;
3620
3621 if (!(newmode & (S_IWUSR | S_IWGRP | S_IWOTH))) mode |= aRONLY;
3622 if ((newmode & S_IXUSR) && lp_map_archive(-1)) mode |= aARCH;
3623 if ((newmode & S_IXGRP) && lp_map_system(-1)) mode |= aSYSTEM;
3624 if ((newmode & S_IXOTH) && lp_map_hidden(-1)) mode |= aHIDDEN;
3625
3626 if (!cli_setatr(srv->cli, path, mode, 0)) {
3627 errno = smbc_errno(context, srv->cli);
3628 return -1;
3629 }
3630
3631 return 0;
3632 }
3633
3634 static int
3635 smbc_utimes_ctx(SMBCCTX *context,
3636 const char *fname,
3637 struct timeval *tbuf)
3638 {
3639 SMBCSRV *srv;
3640 fstring server;
3641 fstring share;
3642 fstring user;
3643 fstring password;
3644 fstring workgroup;
3645 pstring path;
3646 time_t access_time;
3647 time_t write_time;
3648
3649 if (!context || !context->internal ||
3650 !context->internal->_initialized) {
3651
3652 errno = EINVAL; /* Best I can think of ... */
3653 return -1;
3654
3655 }
3656
3657 if (!fname) {
3658
3659 errno = EINVAL;
3660 return -1;
3661
3662 }
3663
3664 if (tbuf == NULL) {
3665 access_time = write_time = time(NULL);
3666 } else {
3667 access_time = tbuf[0].tv_sec;
3668 write_time = tbuf[1].tv_sec;
3669 }
3670
3671 if (DEBUGLVL(4))
3672 {
3673 char *p;
3674 char atimebuf[32];
3675 char mtimebuf[32];
3676
3677 strncpy(atimebuf, ctime(&access_time), sizeof(atimebuf) - 1);
3678 atimebuf[sizeof(atimebuf) - 1] = '\0';
3679 if ((p = strchr(atimebuf, '\n')) != NULL) {
3680 *p = '\0';
3681 }
3682
3683 strncpy(mtimebuf, ctime(&write_time), sizeof(mtimebuf) - 1);
3684 mtimebuf[sizeof(mtimebuf) - 1] = '\0';
3685 if ((p = strchr(mtimebuf, '\n')) != NULL) {
3686 *p = '\0';
3687 }
3688
3689 dbgtext("smbc_utimes(%s, atime = %s mtime = %s)\n",
3690 fname, atimebuf, mtimebuf);
3691 }
3692
3693 if (smbc_parse_path(context, fname,
3694 workgroup, sizeof(workgroup),
3695 server, sizeof(server),
3696 share, sizeof(share),
3697 path, sizeof(path),
3698 user, sizeof(user),
3699 password, sizeof(password),
3700 NULL, 0)) {
3701 errno = EINVAL;
3702 return -1;
3703 }
3704
3705 if (user[0] == (char)0) fstrcpy(user, context->user);
3706
3707 srv = smbc_server(context, True,
3708 server, share, workgroup, user, password);
3709
3710 if (!srv) {
3711 return -1; /* errno set by smbc_server */
3712 }
3713
3714 if (!smbc_setatr(context, srv, path,
3715 0, access_time, write_time, 0, 0)) {
3716 return -1; /* errno set by smbc_setatr */
3717 }
3718
3719 return 0;
3720 }
3721
3722
3723 /* The MSDN is contradictory over the ordering of ACE entries in an ACL.
3724 However NT4 gives a "The information may have been modified by a
3725 computer running Windows NT 5.0" if denied ACEs do not appear before
3726 allowed ACEs. */
3727
3728 static int
3729 ace_compare(SEC_ACE *ace1,
3730 SEC_ACE *ace2)
3731 {
3732 if (sec_ace_equal(ace1, ace2))
3733 return 0;
3734
3735 if (ace1->type != ace2->type)
3736 return ace2->type - ace1->type;
3737
3738 if (sid_compare(&ace1->trustee, &ace2->trustee))
3739 return sid_compare(&ace1->trustee, &ace2->trustee);
3740
3741 if (ace1->flags != ace2->flags)
3742 return ace1->flags - ace2->flags;
3743
3744 if (ace1->info.mask != ace2->info.mask)
3745 return ace1->info.mask - ace2->info.mask;
3746
3747 if (ace1->size != ace2->size)
3748 return ace1->size - ace2->size;
3749
3750 return memcmp(ace1, ace2, sizeof(SEC_ACE));
3751 }
3752
3753
3754 static void
3755 sort_acl(SEC_ACL *the_acl)
3756 {
3757 uint32 i;
3758 if (!the_acl) return;
3759
3760 qsort(the_acl->ace, the_acl->num_aces, sizeof(the_acl->ace[0]),
3761 QSORT_CAST ace_compare);
3762
3763 for (i=1;i<the_acl->num_aces;) {
3764 if (sec_ace_equal(&the_acl->ace[i-1], &the_acl->ace[i])) {
3765 int j;
3766 for (j=i; j<the_acl->num_aces-1; j++) {
3767 the_acl->ace[j] = the_acl->ace[j+1];
3768 }
3769 the_acl->num_aces--;
3770 } else {
3771 i++;
3772 }
3773 }
3774 }
3775
3776 /* convert a SID to a string, either numeric or username/group */
3777 static void
3778 convert_sid_to_string(struct cli_state *ipc_cli,
3779 POLICY_HND *pol,
3780 fstring str,
3781 BOOL numeric,
3782 DOM_SID *sid)
3783 {
3784 char **domains = NULL;
3785 char **names = NULL;
3786 enum SID_NAME_USE *types = NULL;
3787 struct rpc_pipe_client *pipe_hnd = find_lsa_pipe_hnd(ipc_cli);
3788 sid_to_string(str, sid);
3789
3790 if (numeric) {
3791 return; /* no lookup desired */
3792 }
3793
3794 if (!pipe_hnd) {
3795 return;
3796 }
3797
3798 /* Ask LSA to convert the sid to a name */
3799
3800 if (!NT_STATUS_IS_OK(rpccli_lsa_lookup_sids(pipe_hnd, ipc_cli->mem_ctx,
3801 pol, 1, sid, &domains,
3802 &names, &types)) ||
3803 !domains || !domains[0] || !names || !names[0]) {
3804 return;
3805 }
3806
3807 /* Converted OK */
3808
3809 slprintf(str, sizeof(fstring) - 1, "%s%s%s",
3810 domains[0], lp_winbind_separator(),
3811 names[0]);
3812 }
3813
3814 /* convert a string to a SID, either numeric or username/group */
3815 static BOOL
3816 convert_string_to_sid(struct cli_state *ipc_cli,
3817 POLICY_HND *pol,
3818 BOOL numeric,
3819 DOM_SID *sid,
3820 const char *str)
3821 {
3822 enum SID_NAME_USE *types = NULL;
3823 DOM_SID *sids = NULL;
3824 BOOL result = True;
3825 struct rpc_pipe_client *pipe_hnd = find_lsa_pipe_hnd(ipc_cli);
3826
3827 if (!pipe_hnd) {
3828 return False;
3829 }
3830
3831 if (numeric) {
3832 if (strncmp(str, "S-", 2) == 0) {
3833 return string_to_sid(sid, str);
3834 }
3835
3836 result = False;
3837 goto done;
3838 }
3839
3840 if (!NT_STATUS_IS_OK(rpccli_lsa_lookup_names(pipe_hnd, ipc_cli->mem_ctx,
3841 pol, 1, &str, NULL, &sids,
3842 &types))) {
3843 result = False;
3844 goto done;
3845 }
3846
3847 sid_copy(sid, &sids[0]);
3848 done:
3849
3850 return result;
3851 }
3852
3853
3854 /* parse an ACE in the same format as print_ace() */
3855 static BOOL
3856 parse_ace(struct cli_state *ipc_cli,
3857 POLICY_HND *pol,
3858 SEC_ACE *ace,
3859 BOOL numeric,
3860 char *str)
3861 {
3862 char *p;
3863 const char *cp;
3864 fstring tok;
3865 unsigned int atype;
3866 unsigned int aflags;
3867 unsigned int amask;
3868 DOM_SID sid;
3869 SEC_ACCESS mask;
3870 const struct perm_value *v;
3871 struct perm_value {
3872 const char *perm;
3873 uint32 mask;
3874 };
3875
3876 /* These values discovered by inspection */
3877 static const struct perm_value special_values[] = {
3878 { "R", 0x00120089 },
3879 { "W", 0x00120116 },
3880 { "X", 0x001200a0 },
3881 { "D", 0x00010000 },
3882 { "P", 0x00040000 },
3883 { "O", 0x00080000 },
3884 { NULL, 0 },
3885 };
3886
3887 static const struct perm_value standard_values[] = {
3888 { "READ", 0x001200a9 },
3889 { "CHANGE", 0x001301bf },
3890 { "FULL", 0x001f01ff },
3891 { NULL, 0 },
3892 };
3893
3894
3895 ZERO_STRUCTP(ace);
3896 p = strchr_m(str,':');
3897 if (!p) return False;
3898 *p = '\0';
3899 p++;
3900 /* Try to parse numeric form */
3901
3902 if (sscanf(p, "%i/%i/%i", &atype, &aflags, &amask) == 3 &&
3903 convert_string_to_sid(ipc_cli, pol, numeric, &sid, str)) {
3904 goto done;
3905 }
3906
3907 /* Try to parse text form */
3908
3909 if (!convert_string_to_sid(ipc_cli, pol, numeric, &sid, str)) {
3910 return False;
3911 }
3912
3913 cp = p;
3914 if (!next_token(&cp, tok, "/", sizeof(fstring))) {
3915 return False;
3916 }
3917
3918 if (StrnCaseCmp(tok, "ALLOWED", strlen("ALLOWED")) == 0) {
3919 atype = SEC_ACE_TYPE_ACCESS_ALLOWED;
3920 } else if (StrnCaseCmp(tok, "DENIED", strlen("DENIED")) == 0) {
3921 atype = SEC_ACE_TYPE_ACCESS_DENIED;
3922 } else {
3923 return False;
3924 }
3925
3926 /* Only numeric form accepted for flags at present */
3927
3928 if (!(next_token(&cp, tok, "/", sizeof(fstring)) &&
3929 sscanf(tok, "%i", &aflags))) {
3930 return False;
3931 }
3932
3933 if (!next_token(&cp, tok, "/", sizeof(fstring))) {
3934 return False;
3935 }
3936
3937 if (strncmp(tok, "0x", 2) == 0) {
3938 if (sscanf(tok, "%i", &amask) != 1) {
3939 return False;
3940 }
3941 goto done;
3942 }
3943
3944 for (v = standard_values; v->perm; v++) {
3945 if (strcmp(tok, v->perm) == 0) {
3946 amask = v->mask;
3947 goto done;
3948 }
3949 }
3950
3951 p = tok;
3952
3953 while(*p) {
3954 BOOL found = False;
3955
3956 for (v = special_values; v->perm; v++) {
3957 if (v->perm[0] == *p) {
3958 amask |= v->mask;
3959 found = True;
3960 }
3961 }
3962
3963 if (!found) return False;
3964 p++;
3965 }
3966
3967 if (*p) {
3968 return False;
3969 }
3970
3971 done:
3972 mask.mask = amask;
3973 init_sec_ace(ace, &sid, atype, mask, aflags);
3974 return True;
3975 }
3976
3977 /* add an ACE to a list of ACEs in a SEC_ACL */
3978 static BOOL
3979 add_ace(SEC_ACL **the_acl,
3980 SEC_ACE *ace,
3981 TALLOC_CTX *ctx)
3982 {
3983 SEC_ACL *newacl;
3984 SEC_ACE *aces;
3985
3986 if (! *the_acl) {
3987 (*the_acl) = make_sec_acl(ctx, 3, 1, ace);
3988 return True;
3989 }
3990
3991 if ((aces = SMB_CALLOC_ARRAY(SEC_ACE, 1+(*the_acl)->num_aces)) == NULL) {
3992 return False;
3993 }
3994 memcpy(aces, (*the_acl)->ace, (*the_acl)->num_aces * sizeof(SEC_ACE));
3995 memcpy(aces+(*the_acl)->num_aces, ace, sizeof(SEC_ACE));
3996 newacl = make_sec_acl(ctx, (*the_acl)->revision,
3997 1+(*the_acl)->num_aces, aces);
3998 SAFE_FREE(aces);
3999 (*the_acl) = newacl;
4000 return True;
4001 }
4002
4003
4004 /* parse a ascii version of a security descriptor */
4005 static SEC_DESC *
4006 sec_desc_parse(TALLOC_CTX *ctx,
4007 struct cli_state *ipc_cli,
4008 POLICY_HND *pol,
4009 BOOL numeric,
4010 char *str)
4011 {
4012 const char *p = str;
4013 fstring tok;
4014 SEC_DESC *ret = NULL;
4015 size_t sd_size;
4016 DOM_SID *grp_sid=NULL;
4017 DOM_SID *owner_sid=NULL;
4018 SEC_ACL *dacl=NULL;
4019 int revision=1;
4020
4021 while (next_token(&p, tok, "\t,\r\n", sizeof(tok))) {
4022
4023 if (StrnCaseCmp(tok,"REVISION:", 9) == 0) {
4024 revision = strtol(tok+9, NULL, 16);
4025 continue;
4026 }
4027
4028 if (StrnCaseCmp(tok,"OWNER:", 6) == 0) {
4029 if (owner_sid) {
4030 DEBUG(5, ("OWNER specified more than once!\n"));
4031 goto done;
4032 }
4033 owner_sid = SMB_CALLOC_ARRAY(DOM_SID, 1);
4034 if (!owner_sid ||
4035 !convert_string_to_sid(ipc_cli, pol,
4036 numeric,
4037 owner_sid, tok+6)) {
4038 DEBUG(5, ("Failed to parse owner sid\n"));
4039 goto done;
4040 }
4041 continue;
4042 }
4043
4044 if (StrnCaseCmp(tok,"OWNER+:", 7) == 0) {
4045 if (owner_sid) {
4046 DEBUG(5, ("OWNER specified more than once!\n"));
4047 goto done;
4048 }
4049 owner_sid = SMB_CALLOC_ARRAY(DOM_SID, 1);
4050 if (!owner_sid ||
4051 !convert_string_to_sid(ipc_cli, pol,
4052 False,
4053 owner_sid, tok+7)) {
4054 DEBUG(5, ("Failed to parse owner sid\n"));
4055 goto done;
4056 }
4057 continue;
4058 }
4059
4060 if (StrnCaseCmp(tok,"GROUP:", 6) == 0) {
4061 if (grp_sid) {
4062 DEBUG(5, ("GROUP specified more than once!\n"));
4063 goto done;
4064 }
4065 grp_sid = SMB_CALLOC_ARRAY(DOM_SID, 1);
4066 if (!grp_sid ||
4067 !convert_string_to_sid(ipc_cli, pol,
4068 numeric,
4069 grp_sid, tok+6)) {
4070 DEBUG(5, ("Failed to parse group sid\n"));
4071 goto done;
4072 }
4073 continue;
4074 }
4075
4076 if (StrnCaseCmp(tok,"GROUP+:", 7) == 0) {
4077 if (grp_sid) {
4078 DEBUG(5, ("GROUP specified more than once!\n"));
4079 goto done;
4080 }
4081 grp_sid = SMB_CALLOC_ARRAY(DOM_SID, 1);
4082 if (!grp_sid ||
4083 !convert_string_to_sid(ipc_cli, pol,
4084 False,
4085 grp_sid, tok+6)) {
4086 DEBUG(5, ("Failed to parse group sid\n"));
4087 goto done;
4088 }
4089 continue;
4090 }
4091
4092 if (StrnCaseCmp(tok,"ACL:", 4) == 0) {
4093 SEC_ACE ace;
4094 if (!parse_ace(ipc_cli, pol, &ace, numeric, tok+4)) {
4095 DEBUG(5, ("Failed to parse ACL %s\n", tok));
4096 goto done;
4097 }
4098 if(!add_ace(&dacl, &ace, ctx)) {
4099 DEBUG(5, ("Failed to add ACL %s\n", tok));
4100 goto done;
4101 }
4102 continue;
4103 }
4104
4105 if (StrnCaseCmp(tok,"ACL+:", 5) == 0) {
4106 SEC_ACE ace;
4107 if (!parse_ace(ipc_cli, pol, &ace, False, tok+5)) {
4108 DEBUG(5, ("Failed to parse ACL %s\n", tok));
4109 goto done;
4110 }
4111 if(!add_ace(&dacl, &ace, ctx)) {
4112 DEBUG(5, ("Failed to add ACL %s\n", tok));
4113 goto done;
4114 }
4115 continue;
4116 }
4117
4118 DEBUG(5, ("Failed to parse security descriptor\n"));
4119 goto done;
4120 }
4121
4122 ret = make_sec_desc(ctx, revision, SEC_DESC_SELF_RELATIVE,
4123 owner_sid, grp_sid, NULL, dacl, &sd_size);
4124
4125 done:
4126 SAFE_FREE(grp_sid);
4127 SAFE_FREE(owner_sid);
4128
4129 return ret;
4130 }
4131
4132
4133 /* Obtain the current dos attributes */
4134 static DOS_ATTR_DESC *
4135 dos_attr_query(SMBCCTX *context,
4136 TALLOC_CTX *ctx,
4137 const char *filename,
4138 SMBCSRV *srv)
4139 {
4140 struct timespec create_time_ts;
4141 struct timespec write_time_ts;
4142 struct timespec access_time_ts;
4143 struct timespec change_time_ts;
4144 SMB_OFF_T size = 0;
4145 uint16 mode = 0;
4146 SMB_INO_T inode = 0;
4147 DOS_ATTR_DESC *ret;
4148
4149 ret = TALLOC_P(ctx, DOS_ATTR_DESC);
4150 if (!ret) {
4151 errno = ENOMEM;
4152 return NULL;
4153 }
4154
4155 /* Obtain the DOS attributes */
4156 if (!smbc_getatr(context, srv, CONST_DISCARD(char *, filename),
4157 &mode, &size,
4158 &create_time_ts,
4159 &access_time_ts,
4160 &write_time_ts,
4161 &change_time_ts,
4162 &inode)) {
4163
4164 errno = smbc_errno(context, srv->cli);
4165 DEBUG(5, ("dos_attr_query Failed to query old attributes\n"));
4166 return NULL;
4167
4168 }
4169
4170 ret->mode = mode;
4171 ret->size = size;
4172 ret->create_time = convert_timespec_to_time_t(create_time_ts);
4173 ret->access_time = convert_timespec_to_time_t(access_time_ts);
4174 ret->write_time = convert_timespec_to_time_t(write_time_ts);
4175 ret->change_time = convert_timespec_to_time_t(change_time_ts);
4176 ret->inode = inode;
4177
4178 return ret;
4179 }
4180
4181
4182 /* parse a ascii version of a security descriptor */
4183 static void
4184 dos_attr_parse(SMBCCTX *context,
4185 DOS_ATTR_DESC *dad,
4186 SMBCSRV *srv,
4187 char *str)
4188 {
4189 int n;
4190 const char *p = str;
4191 fstring tok;
4192 struct {
4193 const char * create_time_attr;
4194 const char * access_time_attr;
4195 const char * write_time_attr;
4196 const char * change_time_attr;
4197 } attr_strings;
4198
4199 /* Determine whether to use old-style or new-style attribute names */
4200 if (context->internal->_full_time_names) {
4201 /* new-style names */
4202 attr_strings.create_time_attr = "CREATE_TIME";
4203 attr_strings.access_time_attr = "ACCESS_TIME";
4204 attr_strings.write_time_attr = "WRITE_TIME";
4205 attr_strings.change_time_attr = "CHANGE_TIME";
4206 } else {
4207 /* old-style names */
4208 attr_strings.create_time_attr = NULL;
4209 attr_strings.access_time_attr = "A_TIME";
4210 attr_strings.write_time_attr = "M_TIME";
4211 attr_strings.change_time_attr = "C_TIME";
4212 }
4213
4214 /* if this is to set the entire ACL... */
4215 if (*str == '*') {
4216 /* ... then increment past the first colon if there is one */
4217 if ((p = strchr(str, ':')) != NULL) {
4218 ++p;
4219 } else {
4220 p = str;
4221 }
4222 }
4223
4224 while (next_token(&p, tok, "\t,\r\n", sizeof(tok))) {
4225
4226 if (StrnCaseCmp(tok, "MODE:", 5) == 0) {
4227 dad->mode = strtol(tok+5, NULL, 16);
4228 continue;
4229 }
4230
4231 if (StrnCaseCmp(tok, "SIZE:", 5) == 0) {
4232 dad->size = (SMB_OFF_T)atof(tok+5);
4233 continue;
4234 }
4235
4236 n = strlen(attr_strings.access_time_attr);
4237 if (StrnCaseCmp(tok, attr_strings.access_time_attr, n) == 0) {
4238 dad->access_time = (time_t)strtol(tok+n+1, NULL, 10);
4239 continue;
4240 }
4241
4242 n = strlen(attr_strings.change_time_attr);
4243 if (StrnCaseCmp(tok, attr_strings.change_time_attr, n) == 0) {
4244 dad->change_time = (time_t)strtol(tok+n+1, NULL, 10);
4245 continue;
4246 }
4247
4248 n = strlen(attr_strings.write_time_attr);
4249 if (StrnCaseCmp(tok, attr_strings.write_time_attr, n) == 0) {
4250 dad->write_time = (time_t)strtol(tok+n+1, NULL, 10);
4251 continue;
4252 }
4253
4254 n = strlen(attr_strings.create_time_attr);
4255 if (attr_strings.create_time_attr != NULL &&
4256 StrnCaseCmp(tok, attr_strings.create_time_attr, n) == 0) {
4257 dad->create_time = (time_t)strtol(tok+n+1, NULL, 10);
4258 continue;
4259 }
4260
4261 if (StrnCaseCmp(tok, "INODE:", 6) == 0) {
4262 dad->inode = (SMB_INO_T)atof(tok+6);
4263 continue;
4264 }
4265 }
4266 }
4267
4268 /*****************************************************
4269 Retrieve the acls for a file.
4270 *******************************************************/
4271
4272 static int
4273 cacl_get(SMBCCTX *context,
4274 TALLOC_CTX *ctx,
4275 SMBCSRV *srv,
4276 struct cli_state *ipc_cli,
4277 POLICY_HND *pol,
4278 char *filename,
4279 char *attr_name,
4280 char *buf,
4281 int bufsize)
4282 {
4283 uint32 i;
4284 int n = 0;
4285 int n_used;
4286 BOOL all;
4287 BOOL all_nt;
4288 BOOL all_nt_acls;
4289 BOOL all_dos;
4290 BOOL some_nt;
4291 BOOL some_dos;
4292 BOOL exclude_nt_revision = False;
4293 BOOL exclude_nt_owner = False;
4294 BOOL exclude_nt_group = False;
4295 BOOL exclude_nt_acl = False;
4296 BOOL exclude_dos_mode = False;
4297 BOOL exclude_dos_size = False;
4298 BOOL exclude_dos_create_time = False;
4299 BOOL exclude_dos_access_time = False;
4300 BOOL exclude_dos_write_time = False;
4301 BOOL exclude_dos_change_time = False;
4302 BOOL exclude_dos_inode = False;
4303 BOOL numeric = True;
4304 BOOL determine_size = (bufsize == 0);
4305 int fnum = -1;
4306 SEC_DESC *sd;
4307 fstring sidstr;
4308 fstring name_sandbox;
4309 char *name;
4310 char *pExclude;
4311 char *p;
4312 struct timespec create_time_ts;
4313 struct timespec write_time_ts;
4314 struct timespec access_time_ts;
4315 struct timespec change_time_ts;
4316 time_t create_time = (time_t)0;
4317 time_t write_time = (time_t)0;
4318 time_t access_time = (time_t)0;
4319 time_t change_time = (time_t)0;
4320 SMB_OFF_T size = 0;
4321 uint16 mode = 0;
4322 SMB_INO_T ino = 0;
4323 struct cli_state *cli = srv->cli;
4324 struct {
4325 const char * create_time_attr;
4326 const char * access_time_attr;
4327 const char * write_time_attr;
4328 const char * change_time_attr;
4329 } attr_strings;
4330 struct {
4331 const char * create_time_attr;
4332 const char * access_time_attr;
4333 const char * write_time_attr;
4334 const char * change_time_attr;
4335 } excl_attr_strings;
4336
4337 /* Determine whether to use old-style or new-style attribute names */
4338 if (context->internal->_full_time_names) {
4339 /* new-style names */
4340 attr_strings.create_time_attr = "CREATE_TIME";
4341 attr_strings.access_time_attr = "ACCESS_TIME";
4342 attr_strings.write_time_attr = "WRITE_TIME";
4343 attr_strings.change_time_attr = "CHANGE_TIME";
4344
4345 excl_attr_strings.create_time_attr = "CREATE_TIME";
4346 excl_attr_strings.access_time_attr = "ACCESS_TIME";
4347 excl_attr_strings.write_time_attr = "WRITE_TIME";
4348 excl_attr_strings.change_time_attr = "CHANGE_TIME";
4349 } else {
4350 /* old-style names */
4351 attr_strings.create_time_attr = NULL;
4352 attr_strings.access_time_attr = "A_TIME";
4353 attr_strings.write_time_attr = "M_TIME";
4354 attr_strings.change_time_attr = "C_TIME";
4355
4356 excl_attr_strings.create_time_attr = NULL;
4357 excl_attr_strings.access_time_attr = "dos_attr.A_TIME";
4358 excl_attr_strings.write_time_attr = "dos_attr.M_TIME";
4359 excl_attr_strings.change_time_attr = "dos_attr.C_TIME";
4360 }
4361
4362 /* Copy name so we can strip off exclusions (if any are specified) */
4363 strncpy(name_sandbox, attr_name, sizeof(name_sandbox) - 1);
4364
4365 /* Ensure name is null terminated */
4366 name_sandbox[sizeof(name_sandbox) - 1] = '\0';
4367
4368 /* Play in the sandbox */
4369 name = name_sandbox;
4370
4371 /* If there are any exclusions, point to them and mask them from name */
4372 if ((pExclude = strchr(name, '!')) != NULL)
4373 {
4374 *pExclude++ = '\0';
4375 }
4376
4377 all = (StrnCaseCmp(name, "system.*", 8) == 0);
4378 all_nt = (StrnCaseCmp(name, "system.nt_sec_desc.*", 20) == 0);
4379 all_nt_acls = (StrnCaseCmp(name, "system.nt_sec_desc.acl.*", 24) == 0);
4380 all_dos = (StrnCaseCmp(name, "system.dos_attr.*", 17) == 0);
4381 some_nt = (StrnCaseCmp(name, "system.nt_sec_desc.", 19) == 0);
4382 some_dos = (StrnCaseCmp(name, "system.dos_attr.", 16) == 0);
4383 numeric = (* (name + strlen(name) - 1) != '+');
4384
4385 /* Look for exclusions from "all" requests */
4386 if (all || all_nt || all_dos) {
4387
4388 /* Exclusions are delimited by '!' */
4389 for (;
4390 pExclude != NULL;
4391 pExclude = (p == NULL ? NULL : p + 1)) {
4392
4393 /* Find end of this exclusion name */
4394 if ((p = strchr(pExclude, '!')) != NULL)
4395 {
4396 *p = '\0';
4397 }
4398
4399 /* Which exclusion name is this? */
4400 if (StrCaseCmp(pExclude, "nt_sec_desc.revision") == 0) {
4401 exclude_nt_revision = True;
4402 }
4403 else if (StrCaseCmp(pExclude, "nt_sec_desc.owner") == 0) {
4404 exclude_nt_owner = True;
4405 }
4406 else if (StrCaseCmp(pExclude, "nt_sec_desc.group") == 0) {
4407 exclude_nt_group = True;
4408 }
4409 else if (StrCaseCmp(pExclude, "nt_sec_desc.acl") == 0) {
4410 exclude_nt_acl = True;
4411 }
4412 else if (StrCaseCmp(pExclude, "dos_attr.mode") == 0) {
4413 exclude_dos_mode = True;
4414 }
4415 else if (StrCaseCmp(pExclude, "dos_attr.size") == 0) {
4416 exclude_dos_size = True;
4417 }
4418 else if (excl_attr_strings.create_time_attr != NULL &&
4419 StrCaseCmp(pExclude,
4420 excl_attr_strings.change_time_attr) == 0) {
4421 exclude_dos_create_time = True;
4422 }
4423 else if (StrCaseCmp(pExclude,
4424 excl_attr_strings.access_time_attr) == 0) {
4425 exclude_dos_access_time = True;
4426 }
4427 else if (StrCaseCmp(pExclude,
4428 excl_attr_strings.write_time_attr) == 0) {
4429 exclude_dos_write_time = True;
4430 }
4431 else if (StrCaseCmp(pExclude,
4432 excl_attr_strings.change_time_attr) == 0) {
4433 exclude_dos_change_time = True;
4434 }
4435 else if (StrCaseCmp(pExclude, "dos_attr.inode") == 0) {
4436 exclude_dos_inode = True;
4437 }
4438 else {
4439 DEBUG(5, ("cacl_get received unknown exclusion: %s\n",
4440 pExclude));
4441 errno = ENOATTR;
4442 return -1;
4443 }
4444 }
4445 }
4446
4447 n_used = 0;
4448
4449 /*
4450 * If we are (possibly) talking to an NT or new system and some NT
4451 * attributes have been requested...
4452 */
4453 if (ipc_cli && (all || some_nt || all_nt_acls)) {
4454 /* Point to the portion after "system.nt_sec_desc." */
4455 name += 19; /* if (all) this will be invalid but unused */
4456
4457 /* ... then obtain any NT attributes which were requested */
4458 fnum = cli_nt_create(cli, filename, CREATE_ACCESS_READ);
4459
4460 if (fnum == -1) {
4461 DEBUG(5, ("cacl_get failed to open %s: %s\n",
4462 filename, cli_errstr(cli)));
4463 errno = 0;
4464 return -1;
4465 }
4466
4467 sd = cli_query_secdesc(cli, fnum, ctx);
4468
4469 if (!sd) {
4470 DEBUG(5,
4471 ("cacl_get Failed to query old descriptor\n"));
4472 errno = 0;
4473 return -1;
4474 }
4475
4476 cli_close(cli, fnum);
4477
4478 if (! exclude_nt_revision) {
4479 if (all || all_nt) {
4480 if (determine_size) {
4481 p = talloc_asprintf(ctx,
4482 "REVISION:%d",
4483 sd->revision);
4484 if (!p) {
4485 errno = ENOMEM;
4486 return -1;
4487 }
4488 n = strlen(p);
4489 } else {
4490 n = snprintf(buf, bufsize,
4491 "REVISION:%d",
4492 sd->revision);
4493 }
4494 } else if (StrCaseCmp(name, "revision") == 0) {
4495 if (determine_size) {
4496 p = talloc_asprintf(ctx, "%d",
4497 sd->revision);
4498 if (!p) {
4499 errno = ENOMEM;
4500 return -1;
4501 }
4502 n = strlen(p);
4503 } else {
4504 n = snprintf(buf, bufsize, "%d",
4505 sd->revision);
4506 }
4507 }
4508
4509 if (!determine_size && n > bufsize) {
4510 errno = ERANGE;
4511 return -1;
4512 }
4513 buf += n;
4514 n_used += n;
4515 bufsize -= n;
4516 }
4517
4518 if (! exclude_nt_owner) {
4519 /* Get owner and group sid */
4520 if (sd->owner_sid) {
4521 convert_sid_to_string(ipc_cli, pol,
4522 sidstr,
4523 numeric,
4524 sd->owner_sid);
4525 } else {
4526 fstrcpy(sidstr, "");
4527 }
4528
4529 if (all || all_nt) {
4530 if (determine_size) {
4531 p = talloc_asprintf(ctx, ",OWNER:%s",
4532 sidstr);
4533 if (!p) {
4534 errno = ENOMEM;
4535 return -1;
4536 }
4537 n = strlen(p);
4538 } else {
4539 n = snprintf(buf, bufsize,
4540 ",OWNER:%s", sidstr);
4541 }
4542 } else if (StrnCaseCmp(name, "owner", 5) == 0) {
4543 if (determine_size) {
4544 p = talloc_asprintf(ctx, "%s", sidstr);
4545 if (!p) {
4546 errno = ENOMEM;
4547 return -1;
4548 }
4549 n = strlen(p);
4550 } else {
4551 n = snprintf(buf, bufsize, "%s",
4552 sidstr);
4553 }
4554 }
4555
4556 if (!determine_size && n > bufsize) {
4557 errno = ERANGE;
4558 return -1;
4559 }
4560 buf += n;
4561 n_used += n;
4562 bufsize -= n;
4563 }
4564
4565 if (! exclude_nt_group) {
4566 if (sd->grp_sid) {
4567 convert_sid_to_string(ipc_cli, pol,
4568 sidstr, numeric,
4569 sd->grp_sid);
4570 } else {
4571 fstrcpy(sidstr, "");
4572 }
4573
4574 if (all || all_nt) {
4575 if (determine_size) {
4576 p = talloc_asprintf(ctx, ",GROUP:%s",
4577 sidstr);
4578 if (!p) {
4579 errno = ENOMEM;
4580 return -1;
4581 }
4582 n = strlen(p);
4583 } else {
4584 n = snprintf(buf, bufsize,
4585 ",GROUP:%s", sidstr);
4586 }
4587 } else if (StrnCaseCmp(name, "group", 5) == 0) {
4588 if (determine_size) {
4589 p = talloc_asprintf(ctx, "%s", sidstr);
4590 if (!p) {
4591 errno = ENOMEM;
4592 return -1;
4593 }
4594 n = strlen(p);
4595 } else {
4596 n = snprintf(buf, bufsize,
4597 "%s", sidstr);
4598 }
4599 }
4600
4601 if (!determine_size && n > bufsize) {
4602 errno = ERANGE;
4603 return -1;
4604 }
4605 buf += n;
4606 n_used += n;
4607 bufsize -= n;
4608 }
4609
4610 if (! exclude_nt_acl) {
4611 /* Add aces to value buffer */
4612 for (i = 0; sd->dacl && i < sd->dacl->num_aces; i++) {
4613
4614 SEC_ACE *ace = &sd->dacl->ace[i];
4615 convert_sid_to_string(ipc_cli, pol,
4616 sidstr, numeric,
4617 &ace->trustee);
4618
4619 if (all || all_nt) {
4620 if (determine_size) {
4621 p = talloc_asprintf(
4622 ctx,
4623 ",ACL:"
4624 "%s:%d/%d/0x%08x",
4625 sidstr,
4626 ace->type,
4627 ace->flags,
4628 ace->info.mask);
4629 if (!p) {
4630 errno = ENOMEM;
4631 return -1;
4632 }
4633 n = strlen(p);
4634 } else {
4635 n = snprintf(
4636 buf, bufsize,
4637 ",ACL:%s:%d/%d/0x%08x",
4638 sidstr,
4639 ace->type,
4640 ace->flags,
4641 ace->info.mask);
4642 }
4643 } else if ((StrnCaseCmp(name, "acl", 3) == 0 &&
4644 StrCaseCmp(name+3, sidstr) == 0) ||
4645 (StrnCaseCmp(name, "acl+", 4) == 0 &&
4646 StrCaseCmp(name+4, sidstr) == 0)) {
4647 if (determine_size) {
4648 p = talloc_asprintf(
4649 ctx,
4650 "%d/%d/0x%08x",
4651 ace->type,
4652 ace->flags,
4653 ace->info.mask);
4654 if (!p) {
4655 errno = ENOMEM;
4656 return -1;
4657 }
4658 n = strlen(p);
4659 } else {
4660 n = snprintf(buf, bufsize,
4661 "%d/%d/0x%08x",
4662 ace->type,
4663 ace->flags,
4664 ace->info.mask);
4665 }
4666 } else if (all_nt_acls) {
4667 if (determine_size) {
4668 p = talloc_asprintf(
4669 ctx,
4670 "%s%s:%d/%d/0x%08x",
4671 i ? "," : "",
4672 sidstr,
4673 ace->type,
4674 ace->flags,
4675 ace->info.mask);
4676 if (!p) {
4677 errno = ENOMEM;
4678 return -1;
4679 }
4680 n = strlen(p);
4681 } else {
4682 n = snprintf(buf, bufsize,
4683 "%s%s:%d/%d/0x%08x",
4684 i ? "," : "",
4685 sidstr,
4686 ace->type,
4687 ace->flags,
4688 ace->info.mask);
4689 }
4690 }
4691 if (n > bufsize) {
4692 errno = ERANGE;
4693 return -1;
4694 }
4695 buf += n;
4696 n_used += n;
4697 bufsize -= n;
4698 }
4699 }
4700
4701 /* Restore name pointer to its original value */
4702 name -= 19;
4703 }
4704
4705 if (all || some_dos) {
4706 /* Point to the portion after "system.dos_attr." */
4707 name += 16; /* if (all) this will be invalid but unused */
4708
4709 /* Obtain the DOS attributes */
4710 if (!smbc_getatr(context, srv, filename, &mode, &size,
4711 &create_time_ts,
4712 &access_time_ts,
4713 &write_time_ts,
4714 &change_time_ts,
4715 &ino)) {
4716
4717 errno = smbc_errno(context, srv->cli);
4718 return -1;
4719
4720 }
4721
4722 create_time = convert_timespec_to_time_t(create_time_ts);
4723 access_time = convert_timespec_to_time_t(access_time_ts);
4724 write_time = convert_timespec_to_time_t(write_time_ts);
4725 change_time = convert_timespec_to_time_t(change_time_ts);
4726
4727 if (! exclude_dos_mode) {
4728 if (all || all_dos) {
4729 if (determine_size) {
4730 p = talloc_asprintf(ctx,
4731 "%sMODE:0x%x",
4732 (ipc_cli &&
4733 (all || some_nt)
4734 ? ","
4735 : ""),
4736 mode);
4737 if (!p) {
4738 errno = ENOMEM;
4739 return -1;
4740 }
4741 n = strlen(p);
4742 } else {
4743 n = snprintf(buf, bufsize,
4744 "%sMODE:0x%x",
4745 (ipc_cli &&
4746 (all || some_nt)
4747 ? ","
4748 : ""),
4749 mode);
4750 }
4751 } else if (StrCaseCmp(name, "mode") == 0) {
4752 if (determine_size) {
4753 p = talloc_asprintf(ctx, "0x%x", mode);
4754 if (!p) {
4755 errno = ENOMEM;
4756 return -1;
4757 }
4758 n = strlen(p);
4759 } else {
4760 n = snprintf(buf, bufsize,
4761 "0x%x", mode);
4762 }
4763 }
4764
4765 if (!determine_size && n > bufsize) {
4766 errno = ERANGE;
4767 return -1;
4768 }
4769 buf += n;
4770 n_used += n;
4771 bufsize -= n;
4772 }
4773
4774 if (! exclude_dos_size) {
4775 if (all || all_dos) {
4776 if (determine_size) {
4777 p = talloc_asprintf(
4778 ctx,
4779 ",SIZE:%.0f",
4780 (double)size);
4781 if (!p) {
4782 errno = ENOMEM;
4783 return -1;
4784 }
4785 n = strlen(p);
4786 } else {
4787 n = snprintf(buf, bufsize,
4788 ",SIZE:%.0f",
4789 (double)size);
4790 }
4791 } else if (StrCaseCmp(name, "size") == 0) {
4792 if (determine_size) {
4793 p = talloc_asprintf(
4794 ctx,
4795 "%.0f",
4796 (double)size);
4797 if (!p) {
4798 errno = ENOMEM;
4799 return -1;
4800 }
4801 n = strlen(p);
4802 } else {
4803 n = snprintf(buf, bufsize,
4804 "%.0f",
4805 (double)size);
4806 }
4807 }
4808
4809 if (!determine_size && n > bufsize) {
4810 errno = ERANGE;
4811 return -1;
4812 }
4813 buf += n;
4814 n_used += n;
4815 bufsize -= n;
4816 }
4817
4818 if (! exclude_dos_create_time &&
4819 attr_strings.create_time_attr != NULL) {
4820 if (all || all_dos) {
4821 if (determine_size) {
4822 p = talloc_asprintf(ctx,
4823 ",%s:%lu",
4824 attr_strings.create_time_attr,
4825 create_time);
4826 if (!p) {
4827 errno = ENOMEM;
4828 return -1;
4829 }
4830 n = strlen(p);
4831 } else {
4832 n = snprintf(buf, bufsize,
4833 ",%s:%lu",
4834 attr_strings.create_time_attr,
4835 create_time);
4836 }
4837 } else if (StrCaseCmp(name, attr_strings.create_time_attr) == 0) {
4838 if (determine_size) {
4839 p = talloc_asprintf(ctx, "%lu", create_time);
4840 if (!p) {
4841 errno = ENOMEM;
4842 return -1;
4843 }
4844 n = strlen(p);
4845 } else {
4846 n = snprintf(buf, bufsize,
4847 "%lu", create_time);
4848 }
4849 }
4850
4851 if (!determine_size && n > bufsize) {
4852 errno = ERANGE;
4853 return -1;
4854 }
4855 buf += n;
4856 n_used += n;
4857 bufsize -= n;
4858 }
4859
4860 if (! exclude_dos_access_time) {
4861 if (all || all_dos) {
4862 if (determine_size) {
4863 p = talloc_asprintf(ctx,
4864 ",%s:%lu",
4865 attr_strings.access_time_attr,
4866 access_time);
4867 if (!p) {
4868 errno = ENOMEM;
4869 return -1;
4870 }
4871 n = strlen(p);
4872 } else {
4873 n = snprintf(buf, bufsize,
4874 ",%s:%lu",
4875 attr_strings.access_time_attr,
4876 access_time);
4877 }
4878 } else if (StrCaseCmp(name, attr_strings.access_time_attr) == 0) {
4879 if (determine_size) {
4880 p = talloc_asprintf(ctx, "%lu", access_time);
4881 if (!p) {
4882 errno = ENOMEM;
4883 return -1;
4884 }
4885 n = strlen(p);
4886 } else {
4887 n = snprintf(buf, bufsize,
4888 "%lu", access_time);
4889 }
4890 }
4891
4892 if (!determine_size && n > bufsize) {
4893 errno = ERANGE;
4894 return -1;
4895 }
4896 buf += n;
4897 n_used += n;
4898 bufsize -= n;
4899 }
4900
4901 if (! exclude_dos_write_time) {
4902 if (all || all_dos) {
4903 if (determine_size) {
4904 p = talloc_asprintf(ctx,
4905 ",%s:%lu",
4906 attr_strings.write_time_attr,
4907 write_time);
4908 if (!p) {
4909 errno = ENOMEM;
4910 return -1;
4911 }
4912 n = strlen(p);
4913 } else {
4914 n = snprintf(buf, bufsize,
4915 ",%s:%lu",
4916 attr_strings.write_time_attr,
4917 write_time);
4918 }
4919 } else if (StrCaseCmp(name, attr_strings.write_time_attr) == 0) {
4920 if (determine_size) {
4921 p = talloc_asprintf(ctx, "%lu", write_time);
4922 if (!p) {
4923 errno = ENOMEM;
4924 return -1;
4925 }
4926 n = strlen(p);
4927 } else {
4928 n = snprintf(buf, bufsize,
4929 "%lu", write_time);
4930 }
4931 }
4932
4933 if (!determine_size && n > bufsize) {
4934 errno = ERANGE;
4935 return -1;
4936 }
4937 buf += n;
4938 n_used += n;
4939 bufsize -= n;
4940 }
4941
4942 if (! exclude_dos_change_time) {
4943 if (all || all_dos) {
4944 if (determine_size) {
4945 p = talloc_asprintf(ctx,
4946 ",%s:%lu",
4947 attr_strings.change_time_attr,
4948 change_time);
4949 if (!p) {
4950 errno = ENOMEM;
4951 return -1;
4952 }
4953 n = strlen(p);
4954 } else {
4955 n = snprintf(buf, bufsize,
4956 ",%s:%lu",
4957 attr_strings.change_time_attr,
4958 change_time);
4959 }
4960 } else if (StrCaseCmp(name, attr_strings.change_time_attr) == 0) {
4961 if (determine_size) {
4962 p = talloc_asprintf(ctx, "%lu", change_time);
4963 if (!p) {
4964 errno = ENOMEM;
4965 return -1;
4966 }
4967 n = strlen(p);
4968 } else {
4969 n = snprintf(buf, bufsize,
4970 "%lu", change_time);
4971 }
4972 }
4973
4974 if (!determine_size && n > bufsize) {
4975 errno = ERANGE;
4976 return -1;
4977 }
4978 buf += n;
4979 n_used += n;
4980 bufsize -= n;
4981 }
4982
4983 if (! exclude_dos_inode) {
4984 if (all || all_dos) {
4985 if (determine_size) {
4986 p = talloc_asprintf(
4987 ctx,
4988 ",INODE:%.0f",
4989 (double)ino);
4990 if (!p) {
4991 errno = ENOMEM;
4992 return -1;
4993 }
4994 n = strlen(p);
4995 } else {
4996 n = snprintf(buf, bufsize,
4997 ",INODE:%.0f",
4998 (double) ino);
4999 }
5000 } else if (StrCaseCmp(name, "inode") == 0) {
5001 if (determine_size) {
5002 p = talloc_asprintf(
5003 ctx,
5004 "%.0f",
5005 (double) ino);
5006 if (!p) {
5007 errno = ENOMEM;
5008 return -1;
5009 }
5010 n = strlen(p);
5011 } else {
5012 n = snprintf(buf, bufsize,
5013 "%.0f",
5014 (double) ino);
5015 }
5016 }
5017
5018 if (!determine_size && n > bufsize) {
5019 errno = ERANGE;
5020 return -1;
5021 }
5022 buf += n;
5023 n_used += n;
5024 bufsize -= n;
5025 }
5026
5027 /* Restore name pointer to its original value */
5028 name -= 16;
5029 }
5030
5031 if (n_used == 0) {
5032 errno = ENOATTR;
5033 return -1;
5034 }
5035
5036 return n_used;
5037 }
5038
5039
5040 /*****************************************************
5041 set the ACLs on a file given an ascii description
5042 *******************************************************/
5043 static int
5044 cacl_set(TALLOC_CTX *ctx,
5045 struct cli_state *cli,
5046 struct cli_state *ipc_cli,
5047 POLICY_HND *pol,
5048 const char *filename,
5049 const char *the_acl,
5050 int mode,
5051 int flags)
5052 {
5053 int fnum;
5054 int err = 0;
5055 SEC_DESC *sd = NULL, *old;
5056 SEC_ACL *dacl = NULL;
5057 DOM_SID *owner_sid = NULL;
5058 DOM_SID *grp_sid = NULL;
5059 uint32 i, j;
5060 size_t sd_size;
5061 int ret = 0;
5062 char *p;
5063 BOOL numeric = True;
5064
5065 /* the_acl will be null for REMOVE_ALL operations */
5066 if (the_acl) {
5067 numeric = ((p = strchr(the_acl, ':')) != NULL &&
5068 p > the_acl &&
5069 p[-1] != '+');
5070
5071 /* if this is to set the entire ACL... */
5072 if (*the_acl == '*') {
5073 /* ... then increment past the first colon */
5074 the_acl = p + 1;
5075 }
5076
5077 sd = sec_desc_parse(ctx, ipc_cli, pol, numeric,
5078 CONST_DISCARD(char *, the_acl));
5079
5080 if (!sd) {
5081 errno = EINVAL;
5082 return -1;
5083 }
5084 }
5085
5086 /* SMBC_XATTR_MODE_REMOVE_ALL is the only caller
5087 that doesn't deref sd */
5088
5089 if (!sd && (mode != SMBC_XATTR_MODE_REMOVE_ALL)) {
5090 errno = EINVAL;
5091 return -1;
5092 }
5093
5094 /* The desired access below is the only one I could find that works
5095 with NT4, W2KP and Samba */
5096
5097 fnum = cli_nt_create(cli, filename, CREATE_ACCESS_READ);
5098
5099 if (fnum == -1) {
5100 DEBUG(5, ("cacl_set failed to open %s: %s\n",
5101 filename, cli_errstr(cli)));
5102 errno = 0;
5103 return -1;
5104 }
5105
5106 old = cli_query_secdesc(cli, fnum, ctx);
5107
5108 if (!old) {
5109 DEBUG(5, ("cacl_set Failed to query old descriptor\n"));
5110 errno = 0;
5111 return -1;
5112 }
5113
5114 cli_close(cli, fnum);
5115
5116 switch (mode) {
5117 case SMBC_XATTR_MODE_REMOVE_ALL:
5118 old->dacl->num_aces = 0;
5119 SAFE_FREE(old->dacl->ace);
5120 SAFE_FREE(old->dacl);
5121 old->off_dacl = 0;
5122 dacl = old->dacl;
5123 break;
5124
5125 case SMBC_XATTR_MODE_REMOVE:
5126 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
5127 BOOL found = False;
5128
5129 for (j=0;old->dacl && j<old->dacl->num_aces;j++) {
5130 if (sec_ace_equal(&sd->dacl->ace[i],
5131 &old->dacl->ace[j])) {
5132 uint32 k;
5133 for (k=j; k<old->dacl->num_aces-1;k++) {
5134 old->dacl->ace[k] =
5135 old->dacl->ace[k+1];
5136 }
5137 old->dacl->num_aces--;
5138 if (old->dacl->num_aces == 0) {
5139 SAFE_FREE(old->dacl->ace);
5140 SAFE_FREE(old->dacl);
5141 old->off_dacl = 0;
5142 }
5143 found = True;
5144 dacl = old->dacl;
5145 break;
5146 }
5147 }
5148
5149 if (!found) {
5150 err = ENOATTR;
5151 ret = -1;
5152 goto failed;
5153 }
5154 }
5155 break;
5156
5157 case SMBC_XATTR_MODE_ADD:
5158 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
5159 BOOL found = False;
5160
5161 for (j=0;old->dacl && j<old->dacl->num_aces;j++) {
5162 if (sid_equal(&sd->dacl->ace[i].trustee,
5163 &old->dacl->ace[j].trustee)) {
5164 if (!(flags & SMBC_XATTR_FLAG_CREATE)) {
5165 err = EEXIST;
5166 ret = -1;
5167 goto failed;
5168 }
5169 old->dacl->ace[j] = sd->dacl->ace[i];
5170 ret = -1;
5171 found = True;
5172 }
5173 }
5174
5175 if (!found && (flags & SMBC_XATTR_FLAG_REPLACE)) {
5176 err = ENOATTR;
5177 ret = -1;
5178 goto failed;
5179 }
5180
5181 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
5182 add_ace(&old->dacl, &sd->dacl->ace[i], ctx);
5183 }
5184 }
5185 dacl = old->dacl;
5186 break;
5187
5188 case SMBC_XATTR_MODE_SET:
5189 old = sd;
5190 owner_sid = old->owner_sid;
5191 grp_sid = old->grp_sid;
5192 dacl = old->dacl;
5193 break;
5194
5195 case SMBC_XATTR_MODE_CHOWN:
5196 owner_sid = sd->owner_sid;
5197 break;
5198
5199 case SMBC_XATTR_MODE_CHGRP:
5200 grp_sid = sd->grp_sid;
5201 break;
5202 }
5203
5204 /* Denied ACE entries must come before allowed ones */
5205 sort_acl(old->dacl);
5206
5207 /* Create new security descriptor and set it */
5208 sd = make_sec_desc(ctx, old->revision, SEC_DESC_SELF_RELATIVE,
5209 owner_sid, grp_sid, NULL, dacl, &sd_size);
5210
5211 fnum = cli_nt_create(cli, filename,
5212 WRITE_DAC_ACCESS | WRITE_OWNER_ACCESS);
5213
5214 if (fnum == -1) {
5215 DEBUG(5, ("cacl_set failed to open %s: %s\n",
5216 filename, cli_errstr(cli)));
5217 errno = 0;
5218 return -1;
5219 }
5220
5221 if (!cli_set_secdesc(cli, fnum, sd)) {
5222 DEBUG(5, ("ERROR: secdesc set failed: %s\n", cli_errstr(cli)));
5223 ret = -1;
5224 }
5225
5226 /* Clean up */
5227
5228 failed:
5229 cli_close(cli, fnum);
5230
5231 if (err != 0) {
5232 errno = err;
5233 }
5234
5235 return ret;
5236 }
5237
5238
5239 static int
5240 smbc_setxattr_ctx(SMBCCTX *context,
5241 const char *fname,
5242 const char *name,
5243 const void *value,
5244 size_t size,
5245 int flags)
5246 {
5247 int ret;
5248 int ret2;
5249 SMBCSRV *srv;
5250 SMBCSRV *ipc_srv;
5251 fstring server;
5252 fstring share;
5253 fstring user;
5254 fstring password;
5255 fstring workgroup;
5256 pstring path;
5257 TALLOC_CTX *ctx;
5258 POLICY_HND pol;
5259 DOS_ATTR_DESC *dad;
5260 struct {
5261 const char * create_time_attr;
5262 const char * access_time_attr;
5263 const char * write_time_attr;
5264 const char * change_time_attr;
5265 } attr_strings;
5266
5267 if (!context || !context->internal ||
5268 !context->internal->_initialized) {
5269
5270 errno = EINVAL; /* Best I can think of ... */
5271 return -1;
5272
5273 }
5274
5275 if (!fname) {
5276
5277 errno = EINVAL;
5278 return -1;
5279
5280 }
5281
5282 DEBUG(4, ("smbc_setxattr(%s, %s, %.*s)\n",
5283 fname, name, (int) size, (const char*)value));
5284
5285 if (smbc_parse_path(context, fname,
5286 workgroup, sizeof(workgroup),
5287 server, sizeof(server),
5288 share, sizeof(share),
5289 path, sizeof(path),
5290 user, sizeof(user),
5291 password, sizeof(password),
5292 NULL, 0)) {
5293 errno = EINVAL;
5294 return -1;
5295 }
5296
5297 if (user[0] == (char)0) fstrcpy(user, context->user);
5298
5299 srv = smbc_server(context, True,
5300 server, share, workgroup, user, password);
5301 if (!srv) {
5302 return -1; /* errno set by smbc_server */
5303 }
5304
5305 if (! srv->no_nt_session) {
5306 ipc_srv = smbc_attr_server(context, server, share,
5307 workgroup, user, password,
5308 &pol);
5309 srv->no_nt_session = True;
5310 } else {
5311 ipc_srv = NULL;
5312 }
5313
5314 ctx = talloc_init("smbc_setxattr");
5315 if (!ctx) {
5316 errno = ENOMEM;
5317 return -1;
5318 }
5319
5320 /*
5321 * Are they asking to set the entire set of known attributes?
5322 */
5323 if (StrCaseCmp(name, "system.*") == 0 ||
5324 StrCaseCmp(name, "system.*+") == 0) {
5325 /* Yup. */
5326 char *namevalue =
5327 talloc_asprintf(ctx, "%s:%s",
5328 name+7, (const char *) value);
5329 if (! namevalue) {
5330 errno = ENOMEM;
5331 ret = -1;
5332 return -1;
5333 }
5334
5335 if (ipc_srv) {
5336 ret = cacl_set(ctx, srv->cli,
5337 ipc_srv->cli, &pol, path,
5338 namevalue,
5339 (*namevalue == '*'
5340 ? SMBC_XATTR_MODE_SET
5341 : SMBC_XATTR_MODE_ADD),
5342 flags);
5343 } else {
5344 ret = 0;
5345 }
5346
5347 /* get a DOS Attribute Descriptor with current attributes */
5348 dad = dos_attr_query(context, ctx, path, srv);
5349 if (dad) {
5350 /* Overwrite old with new, using what was provided */
5351 dos_attr_parse(context, dad, srv, namevalue);
5352
5353 /* Set the new DOS attributes */
5354 if (! smbc_setatr(context, srv, path,
5355 dad->create_time,
5356 dad->access_time,
5357 dad->write_time,
5358 dad->change_time,
5359 dad->mode)) {
5360
5361 /* cause failure if NT failed too */
5362 dad = NULL;
5363 }
5364 }
5365
5366 /* we only fail if both NT and DOS sets failed */
5367 if (ret < 0 && ! dad) {
5368 ret = -1; /* in case dad was null */
5369 }
5370 else {
5371 ret = 0;
5372 }
5373
5374 talloc_destroy(ctx);
5375 return ret;
5376 }
5377
5378 /*
5379 * Are they asking to set an access control element or to set
5380 * the entire access control list?
5381 */
5382 if (StrCaseCmp(name, "system.nt_sec_desc.*") == 0 ||
5383 StrCaseCmp(name, "system.nt_sec_desc.*+") == 0 ||
5384 StrCaseCmp(name, "system.nt_sec_desc.revision") == 0 ||
5385 StrnCaseCmp(name, "system.nt_sec_desc.acl", 22) == 0 ||
5386 StrnCaseCmp(name, "system.nt_sec_desc.acl+", 23) == 0) {
5387
5388 /* Yup. */
5389 char *namevalue =
5390 talloc_asprintf(ctx, "%s:%s",
5391 name+19, (const char *) value);
5392
5393 if (! ipc_srv) {
5394 ret = -1; /* errno set by smbc_server() */
5395 }
5396 else if (! namevalue) {
5397 errno = ENOMEM;
5398 ret = -1;
5399 } else {
5400 ret = cacl_set(ctx, srv->cli,
5401 ipc_srv->cli, &pol, path,
5402 namevalue,
5403 (*namevalue == '*'
5404 ? SMBC_XATTR_MODE_SET
5405 : SMBC_XATTR_MODE_ADD),
5406 flags);
5407 }
5408 talloc_destroy(ctx);
5409 return ret;
5410 }
5411
5412 /*
5413 * Are they asking to set the owner?
5414 */
5415 if (StrCaseCmp(name, "system.nt_sec_desc.owner") == 0 ||
5416 StrCaseCmp(name, "system.nt_sec_desc.owner+") == 0) {
5417
5418 /* Yup. */
5419 char *namevalue =
5420 talloc_asprintf(ctx, "%s:%s",
5421 name+19, (const char *) value);
5422
5423 if (! ipc_srv) {
5424
5425 ret = -1; /* errno set by smbc_server() */
5426 }
5427 else if (! namevalue) {
5428 errno = ENOMEM;
5429 ret = -1;
5430 } else {
5431 ret = cacl_set(ctx, srv->cli,
5432 ipc_srv->cli, &pol, path,
5433 namevalue, SMBC_XATTR_MODE_CHOWN, 0);
5434 }
5435 talloc_destroy(ctx);
5436 return ret;
5437 }
5438
5439 /*
5440 * Are they asking to set the group?
5441 */
5442 if (StrCaseCmp(name, "system.nt_sec_desc.group") == 0 ||
5443 StrCaseCmp(name, "system.nt_sec_desc.group+") == 0) {
5444
5445 /* Yup. */
5446 char *namevalue =
5447 talloc_asprintf(ctx, "%s:%s",
5448 name+19, (const char *) value);
5449
5450 if (! ipc_srv) {
5451 /* errno set by smbc_server() */
5452 ret = -1;
5453 }
5454 else if (! namevalue) {
5455 errno = ENOMEM;
5456 ret = -1;
5457 } else {
5458 ret = cacl_set(ctx, srv->cli,
5459 ipc_srv->cli, &pol, path,
5460 namevalue, SMBC_XATTR_MODE_CHOWN, 0);
5461 }
5462 talloc_destroy(ctx);
5463 return ret;
5464 }
5465
5466 /* Determine whether to use old-style or new-style attribute names */
5467 if (context->internal->_full_time_names) {
5468 /* new-style names */
5469 attr_strings.create_time_attr = "system.dos_attr.CREATE_TIME";
5470 attr_strings.access_time_attr = "system.dos_attr.ACCESS_TIME";
5471 attr_strings.write_time_attr = "system.dos_attr.WRITE_TIME";
5472 attr_strings.change_time_attr = "system.dos_attr.CHANGE_TIME";
5473 } else {
5474 /* old-style names */
5475 attr_strings.create_time_attr = NULL;
5476 attr_strings.access_time_attr = "system.dos_attr.A_TIME";
5477 attr_strings.write_time_attr = "system.dos_attr.M_TIME";
5478 attr_strings.change_time_attr = "system.dos_attr.C_TIME";
5479 }
5480
5481 /*
5482 * Are they asking to set a DOS attribute?
5483 */
5484 if (StrCaseCmp(name, "system.dos_attr.*") == 0 ||
5485 StrCaseCmp(name, "system.dos_attr.mode") == 0 ||
5486 (attr_strings.create_time_attr != NULL &&
5487 StrCaseCmp(name, attr_strings.create_time_attr) == 0) ||
5488 StrCaseCmp(name, attr_strings.access_time_attr) == 0 ||
5489 StrCaseCmp(name, attr_strings.write_time_attr) == 0 ||
5490 StrCaseCmp(name, attr_strings.change_time_attr) == 0) {
5491
5492 /* get a DOS Attribute Descriptor with current attributes */
5493 dad = dos_attr_query(context, ctx, path, srv);
5494 if (dad) {
5495 char *namevalue =
5496 talloc_asprintf(ctx, "%s:%s",
5497 name+16, (const char *) value);
5498 if (! namevalue) {
5499 errno = ENOMEM;
5500 ret = -1;
5501 } else {
5502 /* Overwrite old with provided new params */
5503 dos_attr_parse(context, dad, srv, namevalue);
5504
5505 /* Set the new DOS attributes */
5506 ret2 = smbc_setatr(context, srv, path,
5507 dad->create_time,
5508 dad->access_time,
5509 dad->write_time,
5510 dad->change_time,
5511 dad->mode);
5512
5513 /* ret2 has True (success) / False (failure) */
5514 if (ret2) {
5515 ret = 0;
5516 } else {
5517 ret = -1;
5518 }
5519 }
5520 } else {
5521 ret = -1;
5522 }
5523
5524 talloc_destroy(ctx);
5525 return ret;
5526 }
5527
5528 /* Unsupported attribute name */
5529 talloc_destroy(ctx);
5530 errno = EINVAL;
5531 return -1;
5532 }
5533
5534 static int
5535 smbc_getxattr_ctx(SMBCCTX *context,
5536 const char *fname,
5537 const char *name,
5538 const void *value,
5539 size_t size)
5540 {
5541 int ret;
5542 SMBCSRV *srv;
5543 SMBCSRV *ipc_srv;
5544 fstring server;
5545 fstring share;
5546 fstring user;
5547 fstring password;
5548 fstring workgroup;
5549 pstring path;
5550 TALLOC_CTX *ctx;
5551 POLICY_HND pol;
5552 struct {
5553 const char * create_time_attr;
5554 const char * access_time_attr;
5555 const char * write_time_attr;
5556 const char * change_time_attr;
5557 } attr_strings;
5558
5559
5560 if (!context || !context->internal ||
5561 !context->internal->_initialized) {
5562
5563 errno = EINVAL; /* Best I can think of ... */
5564 return -1;
5565
5566 }
5567
5568 if (!fname) {
5569
5570 errno = EINVAL;
5571 return -1;
5572
5573 }
5574
5575 DEBUG(4, ("smbc_getxattr(%s, %s)\n", fname, name));
5576
5577 if (smbc_parse_path(context, fname,
5578 workgroup, sizeof(workgroup),
5579 server, sizeof(server),
5580 share, sizeof(share),
5581 path, sizeof(path),
5582 user, sizeof(user),
5583 password, sizeof(password),
5584 NULL, 0)) {
5585 errno = EINVAL;
5586 return -1;
5587 }
5588
5589 if (user[0] == (char)0) fstrcpy(user, context->user);
5590
5591 srv = smbc_server(context, True,
5592 server, share, workgroup, user, password);
5593 if (!srv) {
5594 return -1; /* errno set by smbc_server */
5595 }
5596
5597 if (! srv->no_nt_session) {
5598 ipc_srv = smbc_attr_server(context, server, share,
5599 workgroup, user, password,
5600 &pol);
5601 if (! ipc_srv) {
5602 srv->no_nt_session = True;
5603 }
5604 } else {
5605 ipc_srv = NULL;
5606 }
5607
5608 ctx = talloc_init("smbc:getxattr");
5609 if (!ctx) {
5610 errno = ENOMEM;
5611 return -1;
5612 }
5613
5614 /* Determine whether to use old-style or new-style attribute names */
5615 if (context->internal->_full_time_names) {
5616 /* new-style names */
5617 attr_strings.create_time_attr = "system.dos_attr.CREATE_TIME";
5618 attr_strings.access_time_attr = "system.dos_attr.ACCESS_TIME";
5619 attr_strings.write_time_attr = "system.dos_attr.WRITE_TIME";
5620 attr_strings.change_time_attr = "system.dos_attr.CHANGE_TIME";
5621 } else {
5622 /* old-style names */
5623 attr_strings.create_time_attr = NULL;
5624 attr_strings.access_time_attr = "system.dos_attr.A_TIME";
5625 attr_strings.write_time_attr = "system.dos_attr.M_TIME";
5626 attr_strings.change_time_attr = "system.dos_attr.C_TIME";
5627 }
5628
5629 /* Are they requesting a supported attribute? */
5630 if (StrCaseCmp(name, "system.*") == 0 ||
5631 StrnCaseCmp(name, "system.*!", 9) == 0 ||
5632 StrCaseCmp(name, "system.*+") == 0 ||
5633 StrnCaseCmp(name, "system.*+!", 10) == 0 ||
5634 StrCaseCmp(name, "system.nt_sec_desc.*") == 0 ||
5635 StrnCaseCmp(name, "system.nt_sec_desc.*!", 21) == 0 ||
5636 StrCaseCmp(name, "system.nt_sec_desc.*+") == 0 ||
5637 StrnCaseCmp(name, "system.nt_sec_desc.*+!", 22) == 0 ||
5638 StrCaseCmp(name, "system.nt_sec_desc.revision") == 0 ||
5639 StrCaseCmp(name, "system.nt_sec_desc.owner") == 0 ||
5640 StrCaseCmp(name, "system.nt_sec_desc.owner+") == 0 ||
5641 StrCaseCmp(name, "system.nt_sec_desc.group") == 0 ||
5642 StrCaseCmp(name, "system.nt_sec_desc.group+") == 0 ||
5643 StrnCaseCmp(name, "system.nt_sec_desc.acl", 22) == 0 ||
5644 StrnCaseCmp(name, "system.nt_sec_desc.acl+", 23) == 0 ||
5645 StrCaseCmp(name, "system.dos_attr.*") == 0 ||
5646 StrnCaseCmp(name, "system.dos_attr.*!", 18) == 0 ||
5647 StrCaseCmp(name, "system.dos_attr.mode") == 0 ||
5648 StrCaseCmp(name, "system.dos_attr.size") == 0 ||
5649 (attr_strings.create_time_attr != NULL &&
5650 StrCaseCmp(name, attr_strings.create_time_attr) == 0) ||
5651 StrCaseCmp(name, attr_strings.access_time_attr) == 0 ||
5652 StrCaseCmp(name, attr_strings.write_time_attr) == 0 ||
5653 StrCaseCmp(name, attr_strings.change_time_attr) == 0 ||
5654 StrCaseCmp(name, "system.dos_attr.inode") == 0) {
5655
5656 /* Yup. */
5657 ret = cacl_get(context, ctx, srv,
5658 ipc_srv == NULL ? NULL : ipc_srv->cli,
5659 &pol, path,
5660 CONST_DISCARD(char *, name),
5661 CONST_DISCARD(char *, value), size);
5662 if (ret < 0 && errno == 0) {
5663 errno = smbc_errno(context, srv->cli);
5664 }
5665 talloc_destroy(ctx);
5666 return ret;
5667 }
5668
5669 /* Unsupported attribute name */
5670 talloc_destroy(ctx);
5671 errno = EINVAL;
5672 return -1;
5673 }
5674
5675
5676 static int
5677 smbc_removexattr_ctx(SMBCCTX *context,
5678 const char *fname,
5679 const char *name)
5680 {
5681 int ret;
5682 SMBCSRV *srv;
5683 SMBCSRV *ipc_srv;
5684 fstring server;
5685 fstring share;
5686 fstring user;
5687 fstring password;
5688 fstring workgroup;
5689 pstring path;
5690 TALLOC_CTX *ctx;
5691 POLICY_HND pol;
5692
5693 if (!context || !context->internal ||
5694 !context->internal->_initialized) {
5695
5696 errno = EINVAL; /* Best I can think of ... */
5697 return -1;
5698
5699 }
5700
5701 if (!fname) {
5702
5703 errno = EINVAL;
5704 return -1;
5705
5706 }
5707
5708 DEBUG(4, ("smbc_removexattr(%s, %s)\n", fname, name));
5709
5710 if (smbc_parse_path(context, fname,
5711 workgroup, sizeof(workgroup),
5712 server, sizeof(server),
5713 share, sizeof(share),
5714 path, sizeof(path),
5715 user, sizeof(user),
5716 password, sizeof(password),
5717 NULL, 0)) {
5718 errno = EINVAL;
5719 return -1;
5720 }
5721
5722 if (user[0] == (char)0) fstrcpy(user, context->user);
5723
5724 srv = smbc_server(context, True,
5725 server, share, workgroup, user, password);
5726 if (!srv) {
5727 return -1; /* errno set by smbc_server */
5728 }
5729
5730 if (! srv->no_nt_session) {
5731 ipc_srv = smbc_attr_server(context, server, share,
5732 workgroup, user, password,
5733 &pol);
5734 srv->no_nt_session = True;
5735 } else {
5736 ipc_srv = NULL;
5737 }
5738
5739 if (! ipc_srv) {
5740 return -1; /* errno set by smbc_attr_server */
5741 }
5742
5743 ctx = talloc_init("smbc_removexattr");
5744 if (!ctx) {
5745 errno = ENOMEM;
5746 return -1;
5747 }
5748
5749 /* Are they asking to set the entire ACL? */
5750 if (StrCaseCmp(name, "system.nt_sec_desc.*") == 0 ||
5751 StrCaseCmp(name, "system.nt_sec_desc.*+") == 0) {
5752
5753 /* Yup. */
5754 ret = cacl_set(ctx, srv->cli,
5755 ipc_srv->cli, &pol, path,
5756 NULL, SMBC_XATTR_MODE_REMOVE_ALL, 0);
5757 talloc_destroy(ctx);
5758 return ret;
5759 }
5760
5761 /*
5762 * Are they asking to remove one or more spceific security descriptor
5763 * attributes?
5764 */
5765 if (StrCaseCmp(name, "system.nt_sec_desc.revision") == 0 ||
5766 StrCaseCmp(name, "system.nt_sec_desc.owner") == 0 ||
5767 StrCaseCmp(name, "system.nt_sec_desc.owner+") == 0 ||
5768 StrCaseCmp(name, "system.nt_sec_desc.group") == 0 ||
5769 StrCaseCmp(name, "system.nt_sec_desc.group+") == 0 ||
5770 StrnCaseCmp(name, "system.nt_sec_desc.acl", 22) == 0 ||
5771 StrnCaseCmp(name, "system.nt_sec_desc.acl+", 23) == 0) {
5772
5773 /* Yup. */
5774 ret = cacl_set(ctx, srv->cli,
5775 ipc_srv->cli, &pol, path,
5776 name + 19, SMBC_XATTR_MODE_REMOVE, 0);
5777 talloc_destroy(ctx);
5778 return ret;
5779 }
5780
5781 /* Unsupported attribute name */
5782 talloc_destroy(ctx);
5783 errno = EINVAL;
5784 return -1;
5785 }
5786
5787 static int
5788 smbc_listxattr_ctx(SMBCCTX *context,
5789 const char *fname,
5790 char *list,
5791 size_t size)
5792 {
5793 /*
5794 * This isn't quite what listxattr() is supposed to do. This returns
5795 * the complete set of attribute names, always, rather than only those
5796 * attribute names which actually exist for a file. Hmmm...
5797 */
5798 const char supported_old[] =
5799 "system.*\0"
5800 "system.*+\0"
5801 "system.nt_sec_desc.revision\0"
5802 "system.nt_sec_desc.owner\0"
5803 "system.nt_sec_desc.owner+\0"
5804 "system.nt_sec_desc.group\0"
5805 "system.nt_sec_desc.group+\0"
5806 "system.nt_sec_desc.acl.*\0"
5807 "system.nt_sec_desc.acl\0"
5808 "system.nt_sec_desc.acl+\0"
5809 "system.nt_sec_desc.*\0"
5810 "system.nt_sec_desc.*+\0"
5811 "system.dos_attr.*\0"
5812 "system.dos_attr.mode\0"
5813 "system.dos_attr.c_time\0"
5814 "system.dos_attr.a_time\0"
5815 "system.dos_attr.m_time\0"
5816 ;
5817 const char supported_new[] =
5818 "system.*\0"
5819 "system.*+\0"
5820 "system.nt_sec_desc.revision\0"
5821 "system.nt_sec_desc.owner\0"
5822 "system.nt_sec_desc.owner+\0"
5823 "system.nt_sec_desc.group\0"
5824 "system.nt_sec_desc.group+\0"
5825 "system.nt_sec_desc.acl.*\0"
5826 "system.nt_sec_desc.acl\0"
5827 "system.nt_sec_desc.acl+\0"
5828 "system.nt_sec_desc.*\0"
5829 "system.nt_sec_desc.*+\0"
5830 "system.dos_attr.*\0"
5831 "system.dos_attr.mode\0"
5832 "system.dos_attr.create_time\0"
5833 "system.dos_attr.access_time\0"
5834 "system.dos_attr.write_time\0"
5835 "system.dos_attr.change_time\0"
5836 ;
5837 const char * supported;
5838
5839 if (context->internal->_full_time_names) {
5840 supported = supported_new;
5841 } else {
5842 supported = supported_old;
5843 }
5844
5845 if (size == 0) {
5846 return sizeof(supported);
5847 }
5848
5849 if (sizeof(supported) > size) {
5850 errno = ERANGE;
5851 return -1;
5852 }
5853
5854 /* this can't be strcpy() because there are embedded null characters */
5855 memcpy(list, supported, sizeof(supported));
5856 return sizeof(supported);
5857 }
5858
5859
5860 /*
5861 * Open a print file to be written to by other calls
5862 */
5863
5864 static SMBCFILE *
5865 smbc_open_print_job_ctx(SMBCCTX *context,
5866 const char *fname)
5867 {
5868 fstring server;
5869 fstring share;
5870 fstring user;
5871 fstring password;
5872 pstring path;
5873
5874 if (!context || !context->internal ||
5875 !context->internal->_initialized) {
5876
5877 errno = EINVAL;
5878 return NULL;
5879
5880 }
5881
5882 if (!fname) {
5883
5884 errno = EINVAL;
5885 return NULL;
5886
5887 }
5888
5889 DEBUG(4, ("smbc_open_print_job_ctx(%s)\n", fname));
5890
5891 if (smbc_parse_path(context, fname,
5892 NULL, 0,
5893 server, sizeof(server),
5894 share, sizeof(share),
5895 path, sizeof(path),
5896 user, sizeof(user),
5897 password, sizeof(password),
5898 NULL, 0)) {
5899 errno = EINVAL;
5900 return NULL;
5901 }
5902
5903 /* What if the path is empty, or the file exists? */
5904
5905 return context->open(context, fname, O_WRONLY, 666);
5906
5907 }
5908
5909 /*
5910 * Routine to print a file on a remote server ...
5911 *
5912 * We open the file, which we assume to be on a remote server, and then
5913 * copy it to a print file on the share specified by printq.
5914 */
5915
5916 static int
5917 smbc_print_file_ctx(SMBCCTX *c_file,
5918 const char *fname,
5919 SMBCCTX *c_print,
5920 const char *printq)
5921 {
5922 SMBCFILE *fid1;
5923 SMBCFILE *fid2;
5924 int bytes;
5925 int saverr;
5926 int tot_bytes = 0;
5927 char buf[4096];
5928
5929 if (!c_file || !c_file->internal->_initialized || !c_print ||
5930 !c_print->internal->_initialized) {
5931
5932 errno = EINVAL;
5933 return -1;
5934
5935 }
5936
5937 if (!fname && !printq) {
5938
5939 errno = EINVAL;
5940 return -1;
5941
5942 }
5943
5944 /* Try to open the file for reading ... */
5945
5946 if ((long)(fid1 = c_file->open(c_file, fname, O_RDONLY, 0666)) < 0) {
5947
5948 DEBUG(3, ("Error, fname=%s, errno=%i\n", fname, errno));
5949 return -1; /* smbc_open sets errno */
5950
5951 }
5952
5953 /* Now, try to open the printer file for writing */
5954
5955 if ((long)(fid2 = c_print->open_print_job(c_print, printq)) < 0) {
5956
5957 saverr = errno; /* Save errno */
5958 c_file->close_fn(c_file, fid1);
5959 errno = saverr;
5960 return -1;
5961
5962 }
5963
5964 while ((bytes = c_file->read(c_file, fid1, buf, sizeof(buf))) > 0) {
5965
5966 tot_bytes += bytes;
5967
5968 if ((c_print->write(c_print, fid2, buf, bytes)) < 0) {
5969
5970 saverr = errno;
5971 c_file->close_fn(c_file, fid1);
5972 c_print->close_fn(c_print, fid2);
5973 errno = saverr;
5974
5975 }
5976
5977 }
5978
5979 saverr = errno;
5980
5981 c_file->close_fn(c_file, fid1); /* We have to close these anyway */
5982 c_print->close_fn(c_print, fid2);
5983
5984 if (bytes < 0) {
5985
5986 errno = saverr;
5987 return -1;
5988
5989 }
5990
5991 return tot_bytes;
5992
5993 }
5994
5995 /*
5996 * Routine to list print jobs on a printer share ...
5997 */
5998
5999 static int
6000 smbc_list_print_jobs_ctx(SMBCCTX *context,
6001 const char *fname,
6002 smbc_list_print_job_fn fn)
6003 {
6004 SMBCSRV *srv;
6005 fstring server;
6006 fstring share;
6007 fstring user;
6008 fstring password;
6009 fstring workgroup;
6010 pstring path;
6011
6012 if (!context || !context->internal ||
6013 !context->internal->_initialized) {
6014
6015 errno = EINVAL;
6016 return -1;
6017
6018 }
6019
6020 if (!fname) {
6021
6022 errno = EINVAL;
6023 return -1;
6024
6025 }
6026
6027 DEBUG(4, ("smbc_list_print_jobs(%s)\n", fname));
6028
6029 if (smbc_parse_path(context, fname,
6030 workgroup, sizeof(workgroup),
6031 server, sizeof(server),
6032 share, sizeof(share),
6033 path, sizeof(path),
6034 user, sizeof(user),
6035 password, sizeof(password),
6036 NULL, 0)) {
6037 errno = EINVAL;
6038 return -1;
6039 }
6040
6041 if (user[0] == (char)0) fstrcpy(user, context->user);
6042
6043 srv = smbc_server(context, True,
6044 server, share, workgroup, user, password);
6045
6046 if (!srv) {
6047
6048 return -1; /* errno set by smbc_server */
6049
6050 }
6051
6052 if (cli_print_queue(srv->cli,
6053 (void (*)(struct print_job_info *))fn) < 0) {
6054
6055 errno = smbc_errno(context, srv->cli);
6056 return -1;
6057
6058 }
6059
6060 return 0;
6061
6062 }
6063
6064 /*
6065 * Delete a print job from a remote printer share
6066 */
6067
6068 static int
6069 smbc_unlink_print_job_ctx(SMBCCTX *context,
6070 const char *fname,
6071 int id)
6072 {
6073 SMBCSRV *srv;
6074 fstring server;
6075 fstring share;
6076 fstring user;
6077 fstring password;
6078 fstring workgroup;
6079 pstring path;
6080 int err;
6081
6082 if (!context || !context->internal ||
6083 !context->internal->_initialized) {
6084
6085 errno = EINVAL;
6086 return -1;
6087
6088 }
6089
6090 if (!fname) {
6091
6092 errno = EINVAL;
6093 return -1;
6094
6095 }
6096
6097 DEBUG(4, ("smbc_unlink_print_job(%s)\n", fname));
6098
6099 if (smbc_parse_path(context, fname,
6100 workgroup, sizeof(workgroup),
6101 server, sizeof(server),
6102 share, sizeof(share),
6103 path, sizeof(path),
6104 user, sizeof(user),
6105 password, sizeof(password),
6106 NULL, 0)) {
6107 errno = EINVAL;
6108 return -1;
6109 }
6110
6111 if (user[0] == (char)0) fstrcpy(user, context->user);
6112
6113 srv = smbc_server(context, True,
6114 server, share, workgroup, user, password);
6115
6116 if (!srv) {
6117
6118 return -1; /* errno set by smbc_server */
6119
6120 }
6121
6122 if ((err = cli_printjob_del(srv->cli, id)) != 0) {
6123
6124 if (err < 0)
6125 errno = smbc_errno(context, srv->cli);
6126 else if (err == ERRnosuchprintjob)
6127 errno = EINVAL;
6128 return -1;
6129
6130 }
6131
6132 return 0;
6133
6134 }
6135
6136 /*
6137 * Get a new empty handle to fill in with your own info
6138 */
6139 SMBCCTX *
6140 smbc_new_context(void)
6141 {
6142 SMBCCTX *context;
6143
6144 context = SMB_MALLOC_P(SMBCCTX);
6145 if (!context) {
6146 errno = ENOMEM;
6147 return NULL;
6148 }
6149
6150 ZERO_STRUCTP(context);
6151
6152 context->internal = SMB_MALLOC_P(struct smbc_internal_data);
6153 if (!context->internal) {
6154 SAFE_FREE(context);
6155 errno = ENOMEM;
6156 return NULL;
6157 }
6158
6159 ZERO_STRUCTP(context->internal);
6160
6161
6162 /* ADD REASONABLE DEFAULTS */
6163 context->debug = 0;
6164 context->timeout = 20000; /* 20 seconds */
6165
6166 context->options.browse_max_lmb_count = 3; /* # LMBs to query */
6167 context->options.urlencode_readdir_entries = False;/* backward compat */
6168 context->options.one_share_per_server = False;/* backward compat */
6169
6170 context->open = smbc_open_ctx;
6171 context->creat = smbc_creat_ctx;
6172 context->read = smbc_read_ctx;
6173 context->write = smbc_write_ctx;
6174 context->close_fn = smbc_close_ctx;
6175 context->unlink = smbc_unlink_ctx;
6176 context->rename = smbc_rename_ctx;
6177 context->lseek = smbc_lseek_ctx;
6178 context->stat = smbc_stat_ctx;
6179 context->fstat = smbc_fstat_ctx;
6180 context->opendir = smbc_opendir_ctx;
6181 context->closedir = smbc_closedir_ctx;
6182 context->readdir = smbc_readdir_ctx;
6183 context->getdents = smbc_getdents_ctx;
6184 context->mkdir = smbc_mkdir_ctx;
6185 context->rmdir = smbc_rmdir_ctx;
6186 context->telldir = smbc_telldir_ctx;
6187 context->lseekdir = smbc_lseekdir_ctx;
6188 context->fstatdir = smbc_fstatdir_ctx;
6189 context->chmod = smbc_chmod_ctx;
6190 context->utimes = smbc_utimes_ctx;
6191 context->setxattr = smbc_setxattr_ctx;
6192 context->getxattr = smbc_getxattr_ctx;
6193 context->removexattr = smbc_removexattr_ctx;
6194 context->listxattr = smbc_listxattr_ctx;
6195 context->open_print_job = smbc_open_print_job_ctx;
6196 context->print_file = smbc_print_file_ctx;
6197 context->list_print_jobs = smbc_list_print_jobs_ctx;
6198 context->unlink_print_job = smbc_unlink_print_job_ctx;
6199
6200 context->callbacks.check_server_fn = smbc_check_server;
6201 context->callbacks.remove_unused_server_fn = smbc_remove_unused_server;
6202
6203 smbc_default_cache_functions(context);
6204
6205 return context;
6206 }
6207
6208 /*
6209 * Free a context
6210 *
6211 * Returns 0 on success. Otherwise returns 1, the SMBCCTX is _not_ freed
6212 * and thus you'll be leaking memory if not handled properly.
6213 *
6214 */
6215 int
6216 smbc_free_context(SMBCCTX *context,
6217 int shutdown_ctx)
6218 {
6219 if (!context) {
6220 errno = EBADF;
6221 return 1;
6222 }
6223
6224 if (shutdown_ctx) {
6225 SMBCFILE * f;
6226 DEBUG(1,("Performing aggressive shutdown.\n"));
6227
6228 f = context->internal->_files;
6229 while (f) {
6230 context->close_fn(context, f);
6231 f = f->next;
6232 }
6233 context->internal->_files = NULL;
6234
6235 /* First try to remove the servers the nice way. */
6236 if (context->callbacks.purge_cached_fn(context)) {
6237 SMBCSRV * s;
6238 SMBCSRV * next;
6239 DEBUG(1, ("Could not purge all servers, "
6240 "Nice way shutdown failed.\n"));
6241 s = context->internal->_servers;
6242 while (s) {
6243 DEBUG(1, ("Forced shutdown: %p (fd=%d)\n",
6244 s, s->cli->fd));
6245 cli_shutdown(s->cli);
6246 context->callbacks.remove_cached_srv_fn(context,
6247 s);
6248 next = s->next;
6249 DLIST_REMOVE(context->internal->_servers, s);
6250 SAFE_FREE(s);
6251 s = next;
6252 }
6253 context->internal->_servers = NULL;
6254 }
6255 }
6256 else {
6257 /* This is the polite way */
6258 if (context->callbacks.purge_cached_fn(context)) {
6259 DEBUG(1, ("Could not purge all servers, "
6260 "free_context failed.\n"));
6261 errno = EBUSY;
6262 return 1;
6263 }
6264 if (context->internal->_servers) {
6265 DEBUG(1, ("Active servers in context, "
6266 "free_context failed.\n"));
6267 errno = EBUSY;
6268 return 1;
6269 }
6270 if (context->internal->_files) {
6271 DEBUG(1, ("Active files in context, "
6272 "free_context failed.\n"));
6273 errno = EBUSY;
6274 return 1;
6275 }
6276 }
6277
6278 /* Things we have to clean up */
6279 SAFE_FREE(context->workgroup);
6280 SAFE_FREE(context->netbios_name);
6281 SAFE_FREE(context->user);
6282
6283 DEBUG(3, ("Context %p succesfully freed\n", context));
6284 SAFE_FREE(context->internal);
6285 SAFE_FREE(context);
6286 return 0;
6287 }
6288
6289
6290 /*
6291 * Each time the context structure is changed, we have binary backward
6292 * compatibility issues. Instead of modifying the public portions of the
6293 * context structure to add new options, instead, we put them in the internal
6294 * portion of the context structure and provide a set function for these new
6295 * options.
6296 */
6297 void
6298 smbc_option_set(SMBCCTX *context,
6299 char *option_name,
6300 ... /* option_value */)
6301 {
6302 va_list ap;
6303 union {
6304 BOOL b;
6305 smbc_get_auth_data_with_context_fn auth_fn;
6306 void *v;
6307 } option_value;
6308
6309 va_start(ap, option_name);
6310
6311 if (strcmp(option_name, "debug_to_stderr") == 0) {
6312 /*
6313 * Log to standard error instead of standard output.
6314 */
6315 option_value.b = (BOOL) va_arg(ap, int);
6316 context->internal->_debug_stderr = option_value.b;
6317
6318 } else if (strcmp(option_name, "full_time_names") == 0) {
6319 /*
6320 * Use new-style time attribute names, e.g. WRITE_TIME rather
6321 * than the old-style names such as M_TIME. This allows also
6322 * setting/getting CREATE_TIME which was previously
6323 * unimplemented. (Note that the old C_TIME was supposed to
6324 * be CHANGE_TIME but was confused and sometimes referred to
6325 * CREATE_TIME.)
6326 */
6327 option_value.b = (BOOL) va_arg(ap, int);
6328 context->internal->_full_time_names = option_value.b;
6329
6330 } else if (strcmp(option_name, "auth_function") == 0) {
6331 /*
6332 * Use the new-style authentication function which includes
6333 * the context.
6334 */
6335 option_value.auth_fn =
6336 va_arg(ap, smbc_get_auth_data_with_context_fn);
6337 context->internal->_auth_fn_with_context =
6338 option_value.auth_fn;
6339 } else if (strcmp(option_name, "user_data") == 0) {
6340 /*
6341 * Save a user data handle which may be retrieved by the user
6342 * with smbc_option_get()
6343 */
6344 option_value.v = va_arg(ap, void *);
6345 context->internal->_user_data = option_value.v;
6346 }
6347
6348 va_end(ap);
6349 }
6350
6351
6352 /*
6353 * Retrieve the current value of an option
6354 */
6355 void *
6356 smbc_option_get(SMBCCTX *context,
6357 char *option_name)
6358 {
6359 if (strcmp(option_name, "debug_stderr") == 0) {
6360 /*
6361 * Log to standard error instead of standard output.
6362 */
6363 #if defined(__intptr_t_defined) || defined(HAVE_INTPTR_T)
6364 return (void *) (intptr_t) context->internal->_debug_stderr;
6365 #else
6366 return (void *) context->internal->_debug_stderr;
6367 #endif
6368 } else if (strcmp(option_name, "full_time_names") == 0) {
6369 /*
6370 * Use new-style time attribute names, e.g. WRITE_TIME rather
6371 * than the old-style names such as M_TIME. This allows also
6372 * setting/getting CREATE_TIME which was previously
6373 * unimplemented. (Note that the old C_TIME was supposed to
6374 * be CHANGE_TIME but was confused and sometimes referred to
6375 * CREATE_TIME.)
6376 */
6377 #if defined(__intptr_t_defined) || defined(HAVE_INTPTR_T)
6378 return (void *) (intptr_t) context->internal->_full_time_names;
6379 #else
6380 return (void *) context->internal->_full_time_names;
6381 #endif
6382
6383 } else if (strcmp(option_name, "auth_function") == 0) {
6384 /*
6385 * Use the new-style authentication function which includes
6386 * the context.
6387 */
6388 return (void *) context->internal->_auth_fn_with_context;
6389 } else if (strcmp(option_name, "user_data") == 0) {
6390 /*
6391 * Save a user data handle which may be retrieved by the user
6392 * with smbc_option_get()
6393 */
6394 return context->internal->_user_data;
6395 }
6396
6397 return NULL;
6398 }
6399
6400
6401 /*
6402 * Initialise the library etc
6403 *
6404 * We accept a struct containing handle information.
6405 * valid values for info->debug from 0 to 100,
6406 * and insist that info->fn must be non-null.
6407 */
6408 SMBCCTX *
6409 smbc_init_context(SMBCCTX *context)
6410 {
6411 pstring conf;
6412 int pid;
6413 char *user = NULL;
6414 char *home = NULL;
6415
6416 if (!context || !context->internal) {
6417 errno = EBADF;
6418 return NULL;
6419 }
6420
6421 /* Do not initialise the same client twice */
6422 if (context->internal->_initialized) {
6423 return 0;
6424 }
6425
6426 if ((!context->callbacks.auth_fn &&
6427 !context->internal->_auth_fn_with_context) ||
6428 context->debug < 0 ||
6429 context->debug > 100) {
6430
6431 errno = EINVAL;
6432 return NULL;
6433
6434 }
6435
6436 if (!smbc_initialized) {
6437 /*
6438 * Do some library-wide intializations the first time we get
6439 * called
6440 */
6441 BOOL conf_loaded = False;
6442
6443 /* Set this to what the user wants */
6444 DEBUGLEVEL = context->debug;
6445
6446 load_case_tables();
6447
6448 setup_logging("libsmbclient", True);
6449 if (context->internal->_debug_stderr) {
6450 dbf = x_stderr;
6451 x_setbuf(x_stderr, NULL);
6452 }
6453
6454 /* Here we would open the smb.conf file if needed ... */
6455
6456 in_client = True; /* FIXME, make a param */
6457
6458 home = getenv("HOME");
6459 if (home) {
6460 slprintf(conf, sizeof(conf), "%s/.smb/smb.conf", home);
6461 if (lp_load(conf, True, False, False, True)) {
6462 conf_loaded = True;
6463 } else {
6464 DEBUG(5, ("Could not load config file: %s\n",
6465 conf));
6466 }
6467 }
6468
6469 if (!conf_loaded) {
6470 /*
6471 * Well, if that failed, try the dyn_CONFIGFILE
6472 * Which points to the standard locn, and if that
6473 * fails, silently ignore it and use the internal
6474 * defaults ...
6475 */
6476
6477 if (!lp_load(dyn_CONFIGFILE, True, False, False, False)) {
6478 DEBUG(5, ("Could not load config file: %s\n",
6479 dyn_CONFIGFILE));
6480 } else if (home) {
6481 /*
6482 * We loaded the global config file. Now lets
6483 * load user-specific modifications to the
6484 * global config.
6485 */
6486 slprintf(conf, sizeof(conf),
6487 "%s/.smb/smb.conf.append", home);
6488 if (!lp_load(conf, True, False, False, False)) {
6489 DEBUG(10,
6490 ("Could not append config file: "
6491 "%s\n",
6492 conf));
6493 }
6494 }
6495 }
6496
6497 load_interfaces(); /* Load the list of interfaces ... */
6498
6499 reopen_logs(); /* Get logging working ... */
6500
6501 /*
6502 * Block SIGPIPE (from lib/util_sock.c: write())
6503 * It is not needed and should not stop execution
6504 */
6505 BlockSignals(True, SIGPIPE);
6506
6507 /* Done with one-time initialisation */
6508 smbc_initialized = 1;
6509
6510 }
6511
6512 if (!context->user) {
6513 /*
6514 * FIXME: Is this the best way to get the user info?
6515 */
6516 user = getenv("USER");
6517 /* walk around as "guest" if no username can be found */
6518 if (!user) context->user = SMB_STRDUP("guest");
6519 else context->user = SMB_STRDUP(user);
6520 }
6521
6522 if (!context->netbios_name) {
6523 /*
6524 * We try to get our netbios name from the config. If that
6525 * fails we fall back on constructing our netbios name from
6526 * our hostname etc
6527 */
6528 if (global_myname()) {
6529 context->netbios_name = SMB_STRDUP(global_myname());
6530 }
6531 else {
6532 /*
6533 * Hmmm, I want to get hostname as well, but I am too
6534 * lazy for the moment
6535 */
6536 pid = sys_getpid();
6537 context->netbios_name = (char *)SMB_MALLOC(17);
6538 if (!context->netbios_name) {
6539 errno = ENOMEM;
6540 return NULL;
6541 }
6542 slprintf(context->netbios_name, 16,
6543 "smbc%s%d", context->user, pid);
6544 }
6545 }
6546
6547 DEBUG(1, ("Using netbios name %s.\n", context->netbios_name));
6548
6549 if (!context->workgroup) {
6550 if (lp_workgroup()) {
6551 context->workgroup = SMB_STRDUP(lp_workgroup());
6552 }
6553 else {
6554 /* TODO: Think about a decent default workgroup */
6555 context->workgroup = SMB_STRDUP("samba");
6556 }
6557 }
6558
6559 DEBUG(1, ("Using workgroup %s.\n", context->workgroup));
6560
6561 /* shortest timeout is 1 second */
6562 if (context->timeout > 0 && context->timeout < 1000)
6563 context->timeout = 1000;
6564
6565 /*
6566 * FIXME: Should we check the function pointers here?
6567 */
6568
6569 context->internal->_initialized = True;
6570
6571 return context;
6572 }
6573
6574
6575 /* Return the verion of samba, and thus libsmbclient */
6576 const char *
6577 smbc_version(void)
6578 {
6579 return samba_version_string();
6580 }
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