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r14158: Fix coverity CID #147 -- do not dereference pointers before checking their...
[Samba/vl.git] / source3 / libsmb / libsmbclient.c
blob7a390a83f21af0ab97f93d7b7fb3d1592bc3e75a
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 a_time;
37 time_t c_time;
38 time_t m_time;
39 SMB_INO_T inode;
40 } DOS_ATTR_DESC;
41
42
43 /*
44 * Internal flags for extended attributes
45 */
46
47 /* internal mode values */
48 #define SMBC_XATTR_MODE_ADD 1
49 #define SMBC_XATTR_MODE_REMOVE 2
50 #define SMBC_XATTR_MODE_REMOVE_ALL 3
51 #define SMBC_XATTR_MODE_SET 4
52 #define SMBC_XATTR_MODE_CHOWN 5
53 #define SMBC_XATTR_MODE_CHGRP 6
54
55 #define CREATE_ACCESS_READ READ_CONTROL_ACCESS
56
57 /*We should test for this in configure ... */
58 #ifndef ENOTSUP
59 #define ENOTSUP EOPNOTSUPP
60 #endif
61
62 /*
63 * Functions exported by libsmb_cache.c that we need here
64 */
65 int smbc_default_cache_functions(SMBCCTX *context);
66
67 /*
68 * check if an element is part of the list.
69 * FIXME: Does not belong here !
70 * Can anyone put this in a macro in dlinklist.h ?
71 * -- Tom
72 */
73 static int DLIST_CONTAINS(SMBCFILE * list, SMBCFILE *p) {
74 if (!p || !list) return False;
75 do {
76 if (p == list) return True;
77 list = list->next;
78 } while (list);
79 return False;
80 }
81
82 /*
83 * Find an lsa pipe handle associated with a cli struct.
84 */
85 static struct rpc_pipe_client *
86 find_lsa_pipe_hnd(struct cli_state *ipc_cli)
87 {
88 struct rpc_pipe_client *pipe_hnd;
89
90 for (pipe_hnd = ipc_cli->pipe_list;
91 pipe_hnd;
92 pipe_hnd = pipe_hnd->next) {
93
94 if (pipe_hnd->pipe_idx == PI_LSARPC) {
95 return pipe_hnd;
96 }
97 }
98
99 return NULL;
100 }
101
102 static int
103 smbc_close_ctx(SMBCCTX *context,
104 SMBCFILE *file);
105 static off_t
106 smbc_lseek_ctx(SMBCCTX *context,
107 SMBCFILE *file,
108 off_t offset,
109 int whence);
110
111 extern BOOL in_client;
112
113 /*
114 * Is the logging working / configfile read ?
115 */
116 static int smbc_initialized = 0;
117
118 static int
119 hex2int( unsigned int _char )
120 {
121 if ( _char >= 'A' && _char <='F')
122 return _char - 'A' + 10;
123 if ( _char >= 'a' && _char <='f')
124 return _char - 'a' + 10;
125 if ( _char >= '0' && _char <='9')
126 return _char - '0';
127 return -1;
128 }
129
130 /*
131 * smbc_urldecode()
132 *
133 * Convert strings of %xx to their single character equivalent. Each 'x' must
134 * be a valid hexadecimal digit, or that % sequence is left undecoded.
135 *
136 * dest may, but need not be, the same pointer as src.
137 *
138 * Returns the number of % sequences which could not be converted due to lack
139 * of two following hexadecimal digits.
140 */
141 int
142 smbc_urldecode(char *dest, char * src, size_t max_dest_len)
143 {
144 int old_length = strlen(src);
145 int i = 0;
146 int err_count = 0;
147 pstring temp;
148 char * p;
149
150 if ( old_length == 0 ) {
151 return 0;
152 }
153
154 p = temp;
155 while ( i < old_length ) {
156 unsigned char character = src[ i++ ];
157
158 if (character == '%') {
159 int a = i+1 < old_length ? hex2int( src[i] ) : -1;
160 int b = i+1 < old_length ? hex2int( src[i+1] ) : -1;
161
162 /* Replace valid sequence */
163 if (a != -1 && b != -1) {
164
165 /* Replace valid %xx sequence with %dd */
166 character = (a * 16) + b;
167
168 if (character == '\0') {
169 break; /* Stop at %00 */
170 }
171
172 i += 2;
173 } else {
174
175 err_count++;
176 }
177 }
178
179 *p++ = character;
180 }
181
182 *p = '\0';
183
184 strncpy(dest, temp, max_dest_len - 1);
185 dest[max_dest_len - 1] = '\0';
186
187 return err_count;
188 }
189
190 /*
191 * smbc_urlencode()
192 *
193 * Convert any characters not specifically allowed in a URL into their %xx
194 * equivalent.
195 *
196 * Returns the remaining buffer length.
197 */
198 int
199 smbc_urlencode(char * dest, char * src, int max_dest_len)
200 {
201 char hex[] = "0123456789ABCDEF";
202
203 for (; *src != '\0' && max_dest_len >= 3; src++) {
204
205 if ((*src < '0' &&
206 *src != '-' &&
207 *src != '.') ||
208 (*src > '9' &&
209 *src < 'A') ||
210 (*src > 'Z' &&
211 *src < 'a' &&
212 *src != '_') ||
213 (*src > 'z')) {
214 *dest++ = '%';
215 *dest++ = hex[(*src >> 4) & 0x0f];
216 *dest++ = hex[*src & 0x0f];
217 max_dest_len -= 3;
218 } else {
219 *dest++ = *src;
220 max_dest_len--;
221 }
222 }
223
224 *dest++ = '\0';
225 max_dest_len--;
226
227 return max_dest_len;
228 }
229
230 /*
231 * Function to parse a path and turn it into components
232 *
233 * The general format of an SMB URI is explain in Christopher Hertel's CIFS
234 * book, at http://ubiqx.org/cifs/Appendix-D.html. We accept a subset of the
235 * general format ("smb:" only; we do not look for "cifs:").
236 *
237 *
238 * We accept:
239 * smb://[[[domain;]user[:password@]]server[/share[/path[/file]]]][?options]
240 *
241 * Meaning of URLs:
242 *
243 * smb:// Show all workgroups.
244 *
245 * The method of locating the list of workgroups varies
246 * depending upon the setting of the context variable
247 * context->options.browse_max_lmb_count. This value
248 * determine the maximum number of local master browsers to
249 * query for the list of workgroups. In order to ensure that
250 * a complete list of workgroups is obtained, all master
251 * browsers must be queried, but if there are many
252 * workgroups, the time spent querying can begin to add up.
253 * For small networks (not many workgroups), it is suggested
254 * that this variable be set to 0, indicating query all local
255 * master browsers. When the network has many workgroups, a
256 * reasonable setting for this variable might be around 3.
257 *
258 * smb://name/ if name<1D> or name<1B> exists, list servers in
259 * workgroup, else, if name<20> exists, list all shares
260 * for server ...
261 *
262 * If "options" are provided, this function returns the entire option list as a
263 * string, for later parsing by the caller. Note that currently, no options
264 * are supported.
265 */
266
267 static const char *smbc_prefix = "smb:";
268
269 static int
270 smbc_parse_path(SMBCCTX *context,
271 const char *fname,
272 char *workgroup, int workgroup_len,
273 char *server, int server_len,
274 char *share, int share_len,
275 char *path, int path_len,
276 char *user, int user_len,
277 char *password, int password_len,
278 char *options, int options_len)
279 {
280 static pstring s;
281 pstring userinfo;
282 const char *p;
283 char *q, *r;
284 int len;
285
286 server[0] = share[0] = path[0] = user[0] = password[0] = (char)0;
287
288 /*
289 * Assume we wont find an authentication domain to parse, so default
290 * to the workgroup in the provided context.
291 */
292 if (workgroup != NULL) {
293 strncpy(workgroup, context->workgroup, workgroup_len - 1);
294 workgroup[workgroup_len - 1] = '\0';
295 }
296
297 if (options != NULL && options_len > 0) {
298 options[0] = (char)0;
299 }
300 pstrcpy(s, fname);
301
302 /* see if it has the right prefix */
303 len = strlen(smbc_prefix);
304 if (strncmp(s,smbc_prefix,len) || (s[len] != '/' && s[len] != 0)) {
305 return -1; /* What about no smb: ? */
306 }
307
308 p = s + len;
309
310 /* Watch the test below, we are testing to see if we should exit */
311
312 if (strncmp(p, "//", 2) && strncmp(p, "\\\\", 2)) {
313
314 DEBUG(1, ("Invalid path (does not begin with smb://"));
315 return -1;
316
317 }
318
319 p += 2; /* Skip the double slash */
320
321 /* See if any options were specified */
322 if ((q = strrchr(p, '?')) != NULL ) {
323 /* There are options. Null terminate here and point to them */
324 *q++ = '\0';
325
326 DEBUG(4, ("Found options '%s'", q));
327
328 /* Copy the options */
329 if (options != NULL && options_len > 0) {
330 safe_strcpy(options, q, options_len - 1);
331 }
332 }
333
334 if (*p == (char)0)
335 goto decoding;
336
337 if (*p == '/') {
338
339 strncpy(server, context->workgroup,
340 ((strlen(context->workgroup) < 16)
341 ? strlen(context->workgroup)
342 : 16));
343 server[server_len - 1] = '\0';
344 return 0;
345
346 }
347
348 /*
349 * ok, its for us. Now parse out the server, share etc.
350 *
351 * However, we want to parse out [[domain;]user[:password]@] if it
352 * exists ...
353 */
354
355 /* check that '@' occurs before '/', if '/' exists at all */
356 q = strchr_m(p, '@');
357 r = strchr_m(p, '/');
358 if (q && (!r || q < r)) {
359 pstring username, passwd, domain;
360 const char *u = userinfo;
361
362 next_token(&p, userinfo, "@", sizeof(fstring));
363
364 username[0] = passwd[0] = domain[0] = 0;
365
366 if (strchr_m(u, ';')) {
367
368 next_token(&u, domain, ";", sizeof(fstring));
369
370 }
371
372 if (strchr_m(u, ':')) {
373
374 next_token(&u, username, ":", sizeof(fstring));
375
376 pstrcpy(passwd, u);
377
378 }
379 else {
380
381 pstrcpy(username, u);
382
383 }
384
385 if (domain[0] && workgroup) {
386 strncpy(workgroup, domain, workgroup_len - 1);
387 workgroup[workgroup_len - 1] = '\0';
388 }
389
390 if (username[0]) {
391 strncpy(user, username, user_len - 1);
392 user[user_len - 1] = '\0';
393 }
394
395 if (passwd[0]) {
396 strncpy(password, passwd, password_len - 1);
397 password[password_len - 1] = '\0';
398 }
399
400 }
401
402 if (!next_token(&p, server, "/", sizeof(fstring))) {
403
404 return -1;
405
406 }
407
408 if (*p == (char)0) goto decoding; /* That's it ... */
409
410 if (!next_token(&p, share, "/", sizeof(fstring))) {
411
412 return -1;
413
414 }
415
416 safe_strcpy(path, p, path_len - 1);
417
418 all_string_sub(path, "/", "\\", 0);
419
420 decoding:
421 (void) smbc_urldecode(path, path, path_len);
422 (void) smbc_urldecode(server, server, server_len);
423 (void) smbc_urldecode(share, share, share_len);
424 (void) smbc_urldecode(user, user, user_len);
425 (void) smbc_urldecode(password, password, password_len);
426
427 return 0;
428 }
429
430 /*
431 * Verify that the options specified in a URL are valid
432 */
433 static int
434 smbc_check_options(char *server,
435 char *share,
436 char *path,
437 char *options)
438 {
439 DEBUG(4, ("smbc_check_options(): server='%s' share='%s' "
440 "path='%s' options='%s'\n",
441 server, share, path, options));
442
443 /* No options at all is always ok */
444 if (! *options) return 0;
445
446 /* Currently, we don't support any options. */
447 return -1;
448 }
449
450 /*
451 * Convert an SMB error into a UNIX error ...
452 */
453 static int
454 smbc_errno(SMBCCTX *context,
455 struct cli_state *c)
456 {
457 int ret = cli_errno(c);
458
459 if (cli_is_dos_error(c)) {
460 uint8 eclass;
461 uint32 ecode;
462
463 cli_dos_error(c, &eclass, &ecode);
464
465 DEBUG(3,("smbc_error %d %d (0x%x) -> %d\n",
466 (int)eclass, (int)ecode, (int)ecode, ret));
467 } else {
468 NTSTATUS status;
469
470 status = cli_nt_error(c);
471
472 DEBUG(3,("smbc errno %s -> %d\n",
473 nt_errstr(status), ret));
474 }
475
476 return ret;
477 }
478
479 /*
480 * Check a server for being alive and well.
481 * returns 0 if the server is in shape. Returns 1 on error
482 *
483 * Also useable outside libsmbclient to enable external cache
484 * to do some checks too.
485 */
486 static int
487 smbc_check_server(SMBCCTX * context,
488 SMBCSRV * server)
489 {
490 if ( send_keepalive(server->cli.fd) == False )
491 return 1;
492
493 /* connection is ok */
494 return 0;
495 }
496
497 /*
498 * Remove a server from the cached server list it's unused.
499 * On success, 0 is returned. 1 is returned if the server could not be removed.
500 *
501 * Also useable outside libsmbclient
502 */
503 int
504 smbc_remove_unused_server(SMBCCTX * context,
505 SMBCSRV * srv)
506 {
507 SMBCFILE * file;
508
509 /* are we being fooled ? */
510 if (!context || !context->internal ||
511 !context->internal->_initialized || !srv) return 1;
512
513
514 /* Check all open files/directories for a relation with this server */
515 for (file = context->internal->_files; file; file=file->next) {
516 if (file->srv == srv) {
517 /* Still used */
518 DEBUG(3, ("smbc_remove_usused_server: "
519 "%p still used by %p.\n",
520 srv, file));
521 return 1;
522 }
523 }
524
525 DLIST_REMOVE(context->internal->_servers, srv);
526
527 cli_shutdown(&srv->cli);
528
529 DEBUG(3, ("smbc_remove_usused_server: %p removed.\n", srv));
530
531 context->callbacks.remove_cached_srv_fn(context, srv);
532
533 SAFE_FREE(srv);
534
535 return 0;
536 }
537
538 static SMBCSRV *
539 find_server(SMBCCTX *context,
540 const char *server,
541 const char *share,
542 fstring workgroup,
543 fstring username,
544 fstring password)
545 {
546 SMBCSRV *srv;
547 int auth_called = 0;
548
549 check_server_cache:
550
551 srv = context->callbacks.get_cached_srv_fn(context, server, share,
552 workgroup, username);
553
554 if (!auth_called && !srv && (!username[0] || !password[0])) {
555 context->callbacks.auth_fn(server, share,
556 workgroup, sizeof(fstring),
557 username, sizeof(fstring),
558 password, sizeof(fstring));
559 /*
560 * However, smbc_auth_fn may have picked up info relating to
561 * an existing connection, so try for an existing connection
562 * again ...
563 */
564 auth_called = 1;
565 goto check_server_cache;
566
567 }
568
569 if (srv) {
570 if (context->callbacks.check_server_fn(context, srv)) {
571 /*
572 * This server is no good anymore
573 * Try to remove it and check for more possible
574 * servers in the cache
575 */
576 if (context->callbacks.remove_unused_server_fn(context,
577 srv)) {
578 /*
579 * We could not remove the server completely,
580 * remove it from the cache so we will not get
581 * it again. It will be removed when the last
582 * file/dir is closed.
583 */
584 context->callbacks.remove_cached_srv_fn(context,
585 srv);
586 }
587
588 /*
589 * Maybe there are more cached connections to this
590 * server
591 */
592 goto check_server_cache;
593 }
594
595 return srv;
596 }
597
598 return NULL;
599 }
600
601 /*
602 * Connect to a server, possibly on an existing connection
603 *
604 * Here, what we want to do is: If the server and username
605 * match an existing connection, reuse that, otherwise, establish a
606 * new connection.
607 *
608 * If we have to create a new connection, call the auth_fn to get the
609 * info we need, unless the username and password were passed in.
610 */
611
612 static SMBCSRV *
613 smbc_server(SMBCCTX *context,
614 BOOL connect_if_not_found,
615 const char *server,
616 const char *share,
617 fstring workgroup,
618 fstring username,
619 fstring password)
620 {
621 SMBCSRV *srv=NULL;
622 struct cli_state c;
623 struct nmb_name called, calling;
624 const char *server_n = server;
625 pstring ipenv;
626 struct in_addr ip;
627 int tried_reverse = 0;
628 int port_try_first;
629 int port_try_next;
630 const char *username_used;
631
632 zero_ip(&ip);
633 ZERO_STRUCT(c);
634
635 if (server[0] == 0) {
636 errno = EPERM;
637 return NULL;
638 }
639
640 /* Look for a cached connection */
641 srv = find_server(context, server, share,
642 workgroup, username, password);
643
644 /*
645 * If we found a connection and we're only allowed one share per
646 * server...
647 */
648 if (srv && *share != '\0' && context->options.one_share_per_server) {
649
650 /*
651 * ... then if there's no current connection to the share,
652 * connect to it. find_server(), or rather the function
653 * pointed to by context->callbacks.get_cached_srv_fn which
654 * was called by find_server(), will have issued a tree
655 * disconnect if the requested share is not the same as the
656 * one that was already connected.
657 */
658 if (srv->cli.cnum == (uint16) -1) {
659 /* Ensure we have accurate auth info */
660 context->callbacks.auth_fn(server, share,
661 workgroup, sizeof(fstring),
662 username, sizeof(fstring),
663 password, sizeof(fstring));
664
665 if (! cli_send_tconX(&srv->cli, share, "?????",
666 password, strlen(password)+1)) {
667
668 errno = smbc_errno(context, &srv->cli);
669 cli_shutdown(&srv->cli);
670 context->callbacks.remove_cached_srv_fn(context,
671 srv);
672 srv = NULL;
673 }
674
675 /*
676 * Regenerate the dev value since it's based on both
677 * server and share
678 */
679 if (srv) {
680 srv->dev = (dev_t)(str_checksum(server) ^
681 str_checksum(share));
682 }
683 }
684 }
685
686 /* If we have a connection... */
687 if (srv) {
688
689 /* ... then we're done here. Give 'em what they came for. */
690 return srv;
691 }
692
693 /* If we're not asked to connect when a connection doesn't exist... */
694 if (! connect_if_not_found) {
695 /* ... then we're done here. */
696 return NULL;
697 }
698
699 make_nmb_name(&calling, context->netbios_name, 0x0);
700 make_nmb_name(&called , server, 0x20);
701
702 DEBUG(4,("smbc_server: server_n=[%s] server=[%s]\n", server_n, server));
703
704 DEBUG(4,(" -> server_n=[%s] server=[%s]\n", server_n, server));
705
706 again:
707 slprintf(ipenv,sizeof(ipenv)-1,"HOST_%s", server_n);
708
709 zero_ip(&ip);
710
711 /* have to open a new connection */
712 if (!cli_initialise(&c)) {
713 errno = ENOMEM;
714 return NULL;
715 }
716
717 if (context->flags & SMB_CTX_FLAG_USE_KERBEROS) {
718 c.use_kerberos = True;
719 }
720 if (context->flags & SMB_CTX_FLAG_FALLBACK_AFTER_KERBEROS) {
721 c.fallback_after_kerberos = True;
722 }
723
724 c.timeout = context->timeout;
725
726 /*
727 * Force use of port 139 for first try if share is $IPC, empty, or
728 * null, so browse lists can work
729 */
730 if (share == NULL || *share == '\0' || strcmp(share, "IPC$") == 0) {
731 port_try_first = 139;
732 port_try_next = 445;
733 } else {
734 port_try_first = 445;
735 port_try_next = 139;
736 }
737
738 c.port = port_try_first;
739
740 if (!cli_connect(&c, server_n, &ip)) {
741
742 /* First connection attempt failed. Try alternate port. */
743 c.port = port_try_next;
744
745 if (!cli_connect(&c, server_n, &ip)) {
746 cli_shutdown(&c);
747 errno = ETIMEDOUT;
748 return NULL;
749 }
750 }
751
752 if (!cli_session_request(&c, &calling, &called)) {
753 cli_shutdown(&c);
754 if (strcmp(called.name, "*SMBSERVER")) {
755 make_nmb_name(&called , "*SMBSERVER", 0x20);
756 goto again;
757 }
758 else { /* Try one more time, but ensure we don't loop */
759
760 /* Only try this if server is an IP address ... */
761
762 if (is_ipaddress(server) && !tried_reverse) {
763 fstring remote_name;
764 struct in_addr rem_ip;
765
766 if ((rem_ip.s_addr=inet_addr(server)) == INADDR_NONE) {
767 DEBUG(4, ("Could not convert IP address %s to struct in_addr\n", server));
768 errno = ETIMEDOUT;
769 return NULL;
770 }
771
772 tried_reverse++; /* Yuck */
773
774 if (name_status_find("*", 0, 0, rem_ip, remote_name)) {
775 make_nmb_name(&called, remote_name, 0x20);
776 goto again;
777 }
778
779
780 }
781 }
782 errno = ETIMEDOUT;
783 return NULL;
784 }
785
786 DEBUG(4,(" session request ok\n"));
787
788 if (!cli_negprot(&c)) {
789 cli_shutdown(&c);
790 errno = ETIMEDOUT;
791 return NULL;
792 }
793
794 username_used = username;
795
796 if (!cli_session_setup(&c, username_used,
797 password, strlen(password),
798 password, strlen(password),
799 workgroup)) {
800
801 /* Failed. Try an anonymous login, if allowed by flags. */
802 username_used = "";
803
804 if ((context->flags & SMBCCTX_FLAG_NO_AUTO_ANONYMOUS_LOGON) ||
805 !cli_session_setup(&c, username_used,
806 password, 1,
807 password, 0,
808 workgroup)) {
809
810 cli_shutdown(&c);
811 errno = EPERM;
812 return NULL;
813 }
814 }
815
816 DEBUG(4,(" session setup ok\n"));
817
818 if (!cli_send_tconX(&c, share, "?????",
819 password, strlen(password)+1)) {
820 errno = smbc_errno(context, &c);
821 cli_shutdown(&c);
822 return NULL;
823 }
824
825 DEBUG(4,(" tconx ok\n"));
826
827 /*
828 * Ok, we have got a nice connection
829 * Let's allocate a server structure.
830 */
831
832 srv = SMB_MALLOC_P(SMBCSRV);
833 if (!srv) {
834 errno = ENOMEM;
835 goto failed;
836 }
837
838 ZERO_STRUCTP(srv);
839 srv->cli = c;
840 srv->cli.allocated = False;
841 srv->dev = (dev_t)(str_checksum(server) ^ str_checksum(share));
842 srv->no_pathinfo = False;
843 srv->no_pathinfo2 = False;
844 srv->no_nt_session = False;
845
846 /* now add it to the cache (internal or external) */
847 /* Let the cache function set errno if it wants to */
848 errno = 0;
849 if (context->callbacks.add_cached_srv_fn(context, srv, server, share, workgroup, username)) {
850 int saved_errno = errno;
851 DEBUG(3, (" Failed to add server to cache\n"));
852 errno = saved_errno;
853 if (errno == 0) {
854 errno = ENOMEM;
855 }
856 goto failed;
857 }
858
859 DEBUG(2, ("Server connect ok: //%s/%s: %p\n",
860 server, share, srv));
861
862 DLIST_ADD(context->internal->_servers, srv);
863 return srv;
864
865 failed:
866 cli_shutdown(&c);
867 if (!srv) return NULL;
868
869 SAFE_FREE(srv);
870 return NULL;
871 }
872
873 /*
874 * Connect to a server for getting/setting attributes, possibly on an existing
875 * connection. This works similarly to smbc_server().
876 */
877 static SMBCSRV *
878 smbc_attr_server(SMBCCTX *context,
879 const char *server,
880 const char *share,
881 fstring workgroup,
882 fstring username,
883 fstring password,
884 POLICY_HND *pol)
885 {
886 struct in_addr ip;
887 struct cli_state *ipc_cli;
888 struct rpc_pipe_client *pipe_hnd;
889 NTSTATUS nt_status;
890 SMBCSRV *ipc_srv=NULL;
891
892 /*
893 * See if we've already created this special connection. Reference
894 * our "special" share name '*IPC$', which is an impossible real share
895 * name due to the leading asterisk.
896 */
897 ipc_srv = find_server(context, server, "*IPC$",
898 workgroup, username, password);
899 if (!ipc_srv) {
900
901 /* We didn't find a cached connection. Get the password */
902 if (*password == '\0') {
903 /* ... then retrieve it now. */
904 context->callbacks.auth_fn(server, share,
905 workgroup, sizeof(fstring),
906 username, sizeof(fstring),
907 password, sizeof(fstring));
908 }
909
910 zero_ip(&ip);
911 nt_status = cli_full_connection(&ipc_cli,
912 global_myname(), server,
913 &ip, 0, "IPC$", "?????",
914 username, workgroup,
915 password, 0,
916 Undefined, NULL);
917 if (! NT_STATUS_IS_OK(nt_status)) {
918 DEBUG(1,("cli_full_connection failed! (%s)\n",
919 nt_errstr(nt_status)));
920 errno = ENOTSUP;
921 return NULL;
922 }
923
924 ipc_srv = SMB_MALLOC_P(SMBCSRV);
925 if (!ipc_srv) {
926 errno = ENOMEM;
927 cli_shutdown(ipc_cli);
928 return NULL;
929 }
930
931 ZERO_STRUCTP(ipc_srv);
932 ipc_srv->cli = *ipc_cli;
933 ipc_srv->cli.allocated = False;
934
935 free(ipc_cli);
936
937 if (pol) {
938 pipe_hnd = cli_rpc_pipe_open_noauth(&ipc_srv->cli,
939 PI_LSARPC,
940 &nt_status);
941 if (!pipe_hnd) {
942 DEBUG(1, ("cli_nt_session_open fail!\n"));
943 errno = ENOTSUP;
944 cli_shutdown(&ipc_srv->cli);
945 free(ipc_srv);
946 return NULL;
947 }
948
949 /*
950 * Some systems don't support
951 * SEC_RIGHTS_MAXIMUM_ALLOWED, but NT sends 0x2000000
952 * so we might as well do it too.
953 */
954
955 nt_status = rpccli_lsa_open_policy(
956 pipe_hnd,
957 ipc_srv->cli.mem_ctx,
958 True,
959 GENERIC_EXECUTE_ACCESS,
960 pol);
961
962 if (!NT_STATUS_IS_OK(nt_status)) {
963 errno = smbc_errno(context, &ipc_srv->cli);
964 cli_shutdown(&ipc_srv->cli);
965 return NULL;
966 }
967 }
968
969 /* now add it to the cache (internal or external) */
970
971 errno = 0; /* let cache function set errno if it likes */
972 if (context->callbacks.add_cached_srv_fn(context, ipc_srv,
973 server,
974 "*IPC$",
975 workgroup,
976 username)) {
977 DEBUG(3, (" Failed to add server to cache\n"));
978 if (errno == 0) {
979 errno = ENOMEM;
980 }
981 cli_shutdown(&ipc_srv->cli);
982 free(ipc_srv);
983 return NULL;
984 }
985
986 DLIST_ADD(context->internal->_servers, ipc_srv);
987 }
988
989 return ipc_srv;
990 }
991
992 /*
993 * Routine to open() a file ...
994 */
995
996 static SMBCFILE *
997 smbc_open_ctx(SMBCCTX *context,
998 const char *fname,
999 int flags,
1000 mode_t mode)
1001 {
1002 fstring server, share, user, password, workgroup;
1003 pstring path;
1004 pstring targetpath;
1005 struct cli_state *targetcli;
1006 SMBCSRV *srv = NULL;
1007 SMBCFILE *file = NULL;
1008 int fd;
1009
1010 if (!context || !context->internal ||
1011 !context->internal->_initialized) {
1012
1013 errno = EINVAL; /* Best I can think of ... */
1014 return NULL;
1015
1016 }
1017
1018 if (!fname) {
1019
1020 errno = EINVAL;
1021 return NULL;
1022
1023 }
1024
1025 if (smbc_parse_path(context, fname,
1026 workgroup, sizeof(workgroup),
1027 server, sizeof(server),
1028 share, sizeof(share),
1029 path, sizeof(path),
1030 user, sizeof(user),
1031 password, sizeof(password),
1032 NULL, 0)) {
1033 errno = EINVAL;
1034 return NULL;
1035 }
1036
1037 if (user[0] == (char)0) fstrcpy(user, context->user);
1038
1039 srv = smbc_server(context, True,
1040 server, share, workgroup, user, password);
1041
1042 if (!srv) {
1043
1044 if (errno == EPERM) errno = EACCES;
1045 return NULL; /* smbc_server sets errno */
1046
1047 }
1048
1049 /* Hmmm, the test for a directory is suspect here ... FIXME */
1050
1051 if (strlen(path) > 0 && path[strlen(path) - 1] == '\\') {
1052
1053 fd = -1;
1054
1055 }
1056 else {
1057
1058 file = SMB_MALLOC_P(SMBCFILE);
1059
1060 if (!file) {
1061
1062 errno = ENOMEM;
1063 return NULL;
1064
1065 }
1066
1067 ZERO_STRUCTP(file);
1068
1069 /*d_printf(">>>open: resolving %s\n", path);*/
1070 if (!cli_resolve_path( "", &srv->cli, path, &targetcli, targetpath))
1071 {
1072 d_printf("Could not resolve %s\n", path);
1073 return NULL;
1074 }
1075 /*d_printf(">>>open: resolved %s as %s\n", path, targetpath);*/
1076
1077 if ( targetcli->dfsroot )
1078 {
1079 pstring temppath;
1080 pstrcpy(temppath, targetpath);
1081 cli_dfs_make_full_path( targetpath, targetcli->desthost, targetcli->share, temppath);
1082 }
1083
1084 if ((fd = cli_open(targetcli, targetpath, flags, DENY_NONE)) < 0) {
1085
1086 /* Handle the error ... */
1087
1088 SAFE_FREE(file);
1089 errno = smbc_errno(context, targetcli);
1090 return NULL;
1091
1092 }
1093
1094 /* Fill in file struct */
1095
1096 file->cli_fd = fd;
1097 file->fname = SMB_STRDUP(fname);
1098 file->srv = srv;
1099 file->offset = 0;
1100 file->file = True;
1101
1102 DLIST_ADD(context->internal->_files, file);
1103
1104 /*
1105 * If the file was opened in O_APPEND mode, all write
1106 * operations should be appended to the file. To do that,
1107 * though, using this protocol, would require a getattrE()
1108 * call for each and every write, to determine where the end
1109 * of the file is. (There does not appear to be an append flag
1110 * in the protocol.) Rather than add all of that overhead of
1111 * retrieving the current end-of-file offset prior to each
1112 * write operation, we'll assume that most append operations
1113 * will continuously write, so we'll just set the offset to
1114 * the end of the file now and hope that's adequate.
1115 *
1116 * Note to self: If this proves inadequate, and O_APPEND
1117 * should, in some cases, be forced for each write, add a
1118 * field in the context options structure, for
1119 * "strict_append_mode" which would select between the current
1120 * behavior (if FALSE) or issuing a getattrE() prior to each
1121 * write and forcing the write to the end of the file (if
1122 * TRUE). Adding that capability will likely require adding
1123 * an "append" flag into the _SMBCFILE structure to track
1124 * whether a file was opened in O_APPEND mode. -- djl
1125 */
1126 if (flags & O_APPEND) {
1127 if (smbc_lseek_ctx(context, file, 0, SEEK_END) < 0) {
1128 (void) smbc_close_ctx(context, file);
1129 errno = ENXIO;
1130 return NULL;
1131 }
1132 }
1133
1134 return file;
1135
1136 }
1137
1138 /* Check if opendir needed ... */
1139
1140 if (fd == -1) {
1141 int eno = 0;
1142
1143 eno = smbc_errno(context, &srv->cli);
1144 file = context->opendir(context, fname);
1145 if (!file) errno = eno;
1146 return file;
1147
1148 }
1149
1150 errno = EINVAL; /* FIXME, correct errno ? */
1151 return NULL;
1152
1153 }
1154
1155 /*
1156 * Routine to create a file
1157 */
1158
1159 static int creat_bits = O_WRONLY | O_CREAT | O_TRUNC; /* FIXME: Do we need this */
1160
1161 static SMBCFILE *
1162 smbc_creat_ctx(SMBCCTX *context,
1163 const char *path,
1164 mode_t mode)
1165 {
1166
1167 if (!context || !context->internal ||
1168 !context->internal->_initialized) {
1169
1170 errno = EINVAL;
1171 return NULL;
1172
1173 }
1174
1175 return smbc_open_ctx(context, path, creat_bits, mode);
1176 }
1177
1178 /*
1179 * Routine to read() a file ...
1180 */
1181
1182 static ssize_t
1183 smbc_read_ctx(SMBCCTX *context,
1184 SMBCFILE *file,
1185 void *buf,
1186 size_t count)
1187 {
1188 int ret;
1189 fstring server, share, user, password;
1190 pstring path, targetpath;
1191 struct cli_state *targetcli;
1192
1193 /*
1194 * offset:
1195 *
1196 * Compiler bug (possibly) -- gcc (GCC) 3.3.5 (Debian 1:3.3.5-2) --
1197 * appears to pass file->offset (which is type off_t) differently than
1198 * a local variable of type off_t. Using local variable "offset" in
1199 * the call to cli_read() instead of file->offset fixes a problem
1200 * retrieving data at an offset greater than 4GB.
1201 */
1202 off_t offset = file->offset;
1203
1204 if (!context || !context->internal ||
1205 !context->internal->_initialized) {
1206
1207 errno = EINVAL;
1208 return -1;
1209
1210 }
1211
1212 DEBUG(4, ("smbc_read(%p, %d)\n", file, (int)count));
1213
1214 if (!file || !DLIST_CONTAINS(context->internal->_files, file)) {
1215
1216 errno = EBADF;
1217 return -1;
1218
1219 }
1220
1221 /* Check that the buffer exists ... */
1222
1223 if (buf == NULL) {
1224
1225 errno = EINVAL;
1226 return -1;
1227
1228 }
1229
1230 /*d_printf(">>>read: parsing %s\n", file->fname);*/
1231 if (smbc_parse_path(context, file->fname,
1232 NULL, 0,
1233 server, sizeof(server),
1234 share, sizeof(share),
1235 path, sizeof(path),
1236 user, sizeof(user),
1237 password, sizeof(password),
1238 NULL, 0)) {
1239 errno = EINVAL;
1240 return -1;
1241 }
1242
1243 /*d_printf(">>>read: resolving %s\n", path);*/
1244 if (!cli_resolve_path("", &file->srv->cli, path,
1245 &targetcli, targetpath))
1246 {
1247 d_printf("Could not resolve %s\n", path);
1248 return -1;
1249 }
1250 /*d_printf(">>>fstat: resolved path as %s\n", targetpath);*/
1251
1252 ret = cli_read(targetcli, file->cli_fd, buf, offset, count);
1253
1254 if (ret < 0) {
1255
1256 errno = smbc_errno(context, targetcli);
1257 return -1;
1258
1259 }
1260
1261 file->offset += ret;
1262
1263 DEBUG(4, (" --> %d\n", ret));
1264
1265 return ret; /* Success, ret bytes of data ... */
1266
1267 }
1268
1269 /*
1270 * Routine to write() a file ...
1271 */
1272
1273 static ssize_t
1274 smbc_write_ctx(SMBCCTX *context,
1275 SMBCFILE *file,
1276 void *buf,
1277 size_t count)
1278 {
1279 int ret;
1280 off_t offset;
1281 fstring server, share, user, password;
1282 pstring path, targetpath;
1283 struct cli_state *targetcli;
1284
1285 /* First check all pointers before dereferencing them */
1286
1287 if (!context || !context->internal ||
1288 !context->internal->_initialized) {
1289
1290 errno = EINVAL;
1291 return -1;
1292
1293 }
1294
1295 if (!file || !DLIST_CONTAINS(context->internal->_files, file)) {
1296
1297 errno = EBADF;
1298 return -1;
1299
1300 }
1301
1302 /* Check that the buffer exists ... */
1303
1304 if (buf == NULL) {
1305
1306 errno = EINVAL;
1307 return -1;
1308
1309 }
1310
1311 offset = file->offset; /* See "offset" comment in smbc_read_ctx() */
1312
1313 /*d_printf(">>>write: parsing %s\n", file->fname);*/
1314 if (smbc_parse_path(context, file->fname,
1315 NULL, 0,
1316 server, sizeof(server),
1317 share, sizeof(share),
1318 path, sizeof(path),
1319 user, sizeof(user),
1320 password, sizeof(password),
1321 NULL, 0)) {
1322 errno = EINVAL;
1323 return -1;
1324 }
1325
1326 /*d_printf(">>>write: resolving %s\n", path);*/
1327 if (!cli_resolve_path("", &file->srv->cli, path,
1328 &targetcli, targetpath))
1329 {
1330 d_printf("Could not resolve %s\n", path);
1331 return -1;
1332 }
1333 /*d_printf(">>>write: resolved path as %s\n", targetpath);*/
1334
1335
1336 ret = cli_write(targetcli, file->cli_fd, 0, buf, offset, count);
1337
1338 if (ret <= 0) {
1339
1340 errno = smbc_errno(context, targetcli);
1341 return -1;
1342
1343 }
1344
1345 file->offset += ret;
1346
1347 return ret; /* Success, 0 bytes of data ... */
1348 }
1349
1350 /*
1351 * Routine to close() a file ...
1352 */
1353
1354 static int
1355 smbc_close_ctx(SMBCCTX *context,
1356 SMBCFILE *file)
1357 {
1358 SMBCSRV *srv;
1359 fstring server, share, user, password;
1360 pstring path, targetpath;
1361 struct cli_state *targetcli;
1362
1363 if (!context || !context->internal ||
1364 !context->internal->_initialized) {
1365
1366 errno = EINVAL;
1367 return -1;
1368
1369 }
1370
1371 if (!file || !DLIST_CONTAINS(context->internal->_files, file)) {
1372
1373 errno = EBADF;
1374 return -1;
1375
1376 }
1377
1378 /* IS a dir ... */
1379 if (!file->file) {
1380
1381 return context->closedir(context, file);
1382
1383 }
1384
1385 /*d_printf(">>>close: parsing %s\n", file->fname);*/
1386 if (smbc_parse_path(context, file->fname,
1387 NULL, 0,
1388 server, sizeof(server),
1389 share, sizeof(share),
1390 path, sizeof(path),
1391 user, sizeof(user),
1392 password, sizeof(password),
1393 NULL, 0)) {
1394 errno = EINVAL;
1395 return -1;
1396 }
1397
1398 /*d_printf(">>>close: resolving %s\n", path);*/
1399 if (!cli_resolve_path("", &file->srv->cli, path,
1400 &targetcli, targetpath))
1401 {
1402 d_printf("Could not resolve %s\n", path);
1403 return -1;
1404 }
1405 /*d_printf(">>>close: resolved path as %s\n", targetpath);*/
1406
1407 if (!cli_close(targetcli, file->cli_fd)) {
1408
1409 DEBUG(3, ("cli_close failed on %s. purging server.\n",
1410 file->fname));
1411 /* Deallocate slot and remove the server
1412 * from the server cache if unused */
1413 errno = smbc_errno(context, targetcli);
1414 srv = file->srv;
1415 DLIST_REMOVE(context->internal->_files, file);
1416 SAFE_FREE(file->fname);
1417 SAFE_FREE(file);
1418 context->callbacks.remove_unused_server_fn(context, srv);
1419
1420 return -1;
1421
1422 }
1423
1424 DLIST_REMOVE(context->internal->_files, file);
1425 SAFE_FREE(file->fname);
1426 SAFE_FREE(file);
1427
1428 return 0;
1429 }
1430
1431 /*
1432 * Get info from an SMB server on a file. Use a qpathinfo call first
1433 * and if that fails, use getatr, as Win95 sometimes refuses qpathinfo
1434 */
1435 static BOOL
1436 smbc_getatr(SMBCCTX * context,
1437 SMBCSRV *srv,
1438 char *path,
1439 uint16 *mode,
1440 SMB_OFF_T *size,
1441 time_t *c_time,
1442 time_t *a_time,
1443 time_t *m_time,
1444 SMB_INO_T *ino)
1445 {
1446 pstring fixedpath;
1447 pstring targetpath;
1448 struct cli_state *targetcli;
1449
1450 if (!context || !context->internal ||
1451 !context->internal->_initialized) {
1452
1453 errno = EINVAL;
1454 return -1;
1455
1456 }
1457
1458 /* path fixup for . and .. */
1459 if (strequal(path, ".") || strequal(path, ".."))
1460 pstrcpy(fixedpath, "\\");
1461 else
1462 {
1463 pstrcpy(fixedpath, path);
1464 trim_string(fixedpath, NULL, "\\..");
1465 trim_string(fixedpath, NULL, "\\.");
1466 }
1467 DEBUG(4,("smbc_getatr: sending qpathinfo\n"));
1468
1469 if (!cli_resolve_path( "", &srv->cli, fixedpath, &targetcli, targetpath))
1470 {
1471 d_printf("Couldn't resolve %s\n", path);
1472 return False;
1473 }
1474
1475 if ( targetcli->dfsroot )
1476 {
1477 pstring temppath;
1478 pstrcpy(temppath, targetpath);
1479 cli_dfs_make_full_path(targetpath, targetcli->desthost,
1480 targetcli->share, temppath);
1481 }
1482
1483 if (!srv->no_pathinfo2 &&
1484 cli_qpathinfo2(targetcli, targetpath,
1485 c_time, a_time, m_time, NULL, size, mode, ino)) {
1486 return True;
1487 }
1488
1489 /* if this is NT then don't bother with the getatr */
1490 if (targetcli->capabilities & CAP_NT_SMBS) {
1491 errno = EPERM;
1492 return False;
1493 }
1494
1495 if (cli_getatr(targetcli, targetpath, mode, size, m_time)) {
1496 if (m_time != NULL) {
1497 if (a_time != NULL) *a_time = *m_time;
1498 if (c_time != NULL) *c_time = *m_time;
1499 }
1500 srv->no_pathinfo2 = True;
1501 return True;
1502 }
1503
1504 errno = EPERM;
1505 return False;
1506
1507 }
1508
1509 /*
1510 * Set file info on an SMB server. Use setpathinfo call first. If that
1511 * fails, use setattrE..
1512 *
1513 * Access and modification time parameters are always used and must be
1514 * provided. Create time, if zero, will be determined from the actual create
1515 * time of the file. If non-zero, the create time will be set as well.
1516 *
1517 * "mode" (attributes) parameter may be set to -1 if it is not to be set.
1518 */
1519 static BOOL
1520 smbc_setatr(SMBCCTX * context, SMBCSRV *srv, char *path,
1521 time_t c_time, time_t a_time, time_t m_time,
1522 uint16 mode)
1523 {
1524 int fd;
1525 int ret;
1526
1527 /*
1528 * First, try setpathinfo (if qpathinfo succeeded), for it is the
1529 * modern function for "new code" to be using, and it works given a
1530 * filename rather than requiring that the file be opened to have its
1531 * attributes manipulated.
1532 */
1533 if (srv->no_pathinfo ||
1534 ! cli_setpathinfo(&srv->cli, path, c_time, a_time, m_time, mode)) {
1535
1536 /*
1537 * setpathinfo is not supported; go to plan B.
1538 *
1539 * cli_setatr() does not work on win98, and it also doesn't
1540 * support setting the access time (only the modification
1541 * time), so in all cases, we open the specified file and use
1542 * cli_setattrE() which should work on all OS versions, and
1543 * supports both times.
1544 */
1545
1546 /* Don't try {q,set}pathinfo() again, with this server */
1547 srv->no_pathinfo = True;
1548
1549 /* Open the file */
1550 if ((fd = cli_open(&srv->cli, path, O_RDWR, DENY_NONE)) < 0) {
1551
1552 errno = smbc_errno(context, &srv->cli);
1553 return -1;
1554 }
1555
1556 /*
1557 * Get the creat time of the file (if it wasn't provided).
1558 * We'll need it in the set call
1559 */
1560 if (c_time == 0) {
1561 ret = cli_getattrE(&srv->cli, fd,
1562 NULL, NULL,
1563 &c_time, NULL, NULL);
1564 } else {
1565 ret = True;
1566 }
1567
1568 /* If we got create time, set times */
1569 if (ret) {
1570 /* Some OS versions don't support create time */
1571 if (c_time == 0 || c_time == -1) {
1572 c_time = time(NULL);
1573 }
1574
1575 /*
1576 * For sanity sake, since there is no POSIX function
1577 * to set the create time of a file, if the existing
1578 * create time is greater than either of access time
1579 * or modification time, set create time to the
1580 * smallest of those. This ensure that the create
1581 * time of a file is never greater than its last
1582 * access or modification time.
1583 */
1584 if (c_time > a_time) c_time = a_time;
1585 if (c_time > m_time) c_time = m_time;
1586
1587 /* Set the new attributes */
1588 ret = cli_setattrE(&srv->cli, fd,
1589 c_time, a_time, m_time);
1590 cli_close(&srv->cli, fd);
1591 }
1592
1593 /*
1594 * Unfortunately, setattrE() doesn't have a provision for
1595 * setting the access mode (attributes). We'll have to try
1596 * cli_setatr() for that, and with only this parameter, it
1597 * seems to work on win98.
1598 */
1599 if (ret && mode != (uint16) -1) {
1600 ret = cli_setatr(&srv->cli, path, mode, 0);
1601 }
1602
1603 if (! ret) {
1604 errno = smbc_errno(context, &srv->cli);
1605 return False;
1606 }
1607 }
1608
1609 return True;
1610 }
1611
1612 /*
1613 * Routine to unlink() a file
1614 */
1615
1616 static int
1617 smbc_unlink_ctx(SMBCCTX *context,
1618 const char *fname)
1619 {
1620 fstring server, share, user, password, workgroup;
1621 pstring path, targetpath;
1622 struct cli_state *targetcli;
1623 SMBCSRV *srv = NULL;
1624
1625 if (!context || !context->internal ||
1626 !context->internal->_initialized) {
1627
1628 errno = EINVAL; /* Best I can think of ... */
1629 return -1;
1630
1631 }
1632
1633 if (!fname) {
1634
1635 errno = EINVAL;
1636 return -1;
1637
1638 }
1639
1640 if (smbc_parse_path(context, fname,
1641 workgroup, sizeof(workgroup),
1642 server, sizeof(server),
1643 share, sizeof(share),
1644 path, sizeof(path),
1645 user, sizeof(user),
1646 password, sizeof(password),
1647 NULL, 0)) {
1648 errno = EINVAL;
1649 return -1;
1650 }
1651
1652 if (user[0] == (char)0) fstrcpy(user, context->user);
1653
1654 srv = smbc_server(context, True,
1655 server, share, workgroup, user, password);
1656
1657 if (!srv) {
1658
1659 return -1; /* smbc_server sets errno */
1660
1661 }
1662
1663 /*d_printf(">>>unlink: resolving %s\n", path);*/
1664 if (!cli_resolve_path( "", &srv->cli, path, &targetcli, targetpath))
1665 {
1666 d_printf("Could not resolve %s\n", path);
1667 return -1;
1668 }
1669 /*d_printf(">>>unlink: resolved path as %s\n", targetpath);*/
1670
1671 if (!cli_unlink(targetcli, targetpath)) {
1672
1673 errno = smbc_errno(context, targetcli);
1674
1675 if (errno == EACCES) { /* Check if the file is a directory */
1676
1677 int saverr = errno;
1678 SMB_OFF_T size = 0;
1679 uint16 mode = 0;
1680 time_t m_time = 0, a_time = 0, c_time = 0;
1681 SMB_INO_T ino = 0;
1682
1683 if (!smbc_getatr(context, srv, path, &mode, &size,
1684 &c_time, &a_time, &m_time, &ino)) {
1685
1686 /* Hmmm, bad error ... What? */
1687
1688 errno = smbc_errno(context, targetcli);
1689 return -1;
1690
1691 }
1692 else {
1693
1694 if (IS_DOS_DIR(mode))
1695 errno = EISDIR;
1696 else
1697 errno = saverr; /* Restore this */
1698
1699 }
1700 }
1701
1702 return -1;
1703
1704 }
1705
1706 return 0; /* Success ... */
1707
1708 }
1709
1710 /*
1711 * Routine to rename() a file
1712 */
1713
1714 static int
1715 smbc_rename_ctx(SMBCCTX *ocontext,
1716 const char *oname,
1717 SMBCCTX *ncontext,
1718 const char *nname)
1719 {
1720 fstring server1;
1721 fstring share1;
1722 fstring server2;
1723 fstring share2;
1724 fstring user1;
1725 fstring user2;
1726 fstring password1;
1727 fstring password2;
1728 fstring workgroup;
1729 pstring path1;
1730 pstring path2;
1731 pstring targetpath1;
1732 pstring targetpath2;
1733 struct cli_state *targetcli1;
1734 struct cli_state *targetcli2;
1735 SMBCSRV *srv = NULL;
1736
1737 if (!ocontext || !ncontext ||
1738 !ocontext->internal || !ncontext->internal ||
1739 !ocontext->internal->_initialized ||
1740 !ncontext->internal->_initialized) {
1741
1742 errno = EINVAL; /* Best I can think of ... */
1743 return -1;
1744
1745 }
1746
1747 if (!oname || !nname) {
1748
1749 errno = EINVAL;
1750 return -1;
1751
1752 }
1753
1754 DEBUG(4, ("smbc_rename(%s,%s)\n", oname, nname));
1755
1756 smbc_parse_path(ocontext, oname,
1757 workgroup, sizeof(workgroup),
1758 server1, sizeof(server1),
1759 share1, sizeof(share1),
1760 path1, sizeof(path1),
1761 user1, sizeof(user1),
1762 password1, sizeof(password1),
1763 NULL, 0);
1764
1765 if (user1[0] == (char)0) fstrcpy(user1, ocontext->user);
1766
1767 smbc_parse_path(ncontext, nname,
1768 NULL, 0,
1769 server2, sizeof(server2),
1770 share2, sizeof(share2),
1771 path2, sizeof(path2),
1772 user2, sizeof(user2),
1773 password2, sizeof(password2),
1774 NULL, 0);
1775
1776 if (user2[0] == (char)0) fstrcpy(user2, ncontext->user);
1777
1778 if (strcmp(server1, server2) || strcmp(share1, share2) ||
1779 strcmp(user1, user2)) {
1780
1781 /* Can't rename across file systems, or users?? */
1782
1783 errno = EXDEV;
1784 return -1;
1785
1786 }
1787
1788 srv = smbc_server(ocontext, True,
1789 server1, share1, workgroup, user1, password1);
1790 if (!srv) {
1791
1792 return -1;
1793
1794 }
1795
1796 /*d_printf(">>>rename: resolving %s\n", path1);*/
1797 if (!cli_resolve_path( "", &srv->cli, path1, &targetcli1, targetpath1))
1798 {
1799 d_printf("Could not resolve %s\n", path1);
1800 return -1;
1801 }
1802 /*d_printf(">>>rename: resolved path as %s\n", targetpath1);*/
1803 /*d_printf(">>>rename: resolving %s\n", path2);*/
1804 if (!cli_resolve_path( "", &srv->cli, path2, &targetcli2, targetpath2))
1805 {
1806 d_printf("Could not resolve %s\n", path2);
1807 return -1;
1808 }
1809 /*d_printf(">>>rename: resolved path as %s\n", targetpath2);*/
1810
1811 if (strcmp(targetcli1->desthost, targetcli2->desthost) ||
1812 strcmp(targetcli1->share, targetcli2->share))
1813 {
1814 /* can't rename across file systems */
1815
1816 errno = EXDEV;
1817 return -1;
1818 }
1819
1820 if (!cli_rename(targetcli1, targetpath1, targetpath2)) {
1821 int eno = smbc_errno(ocontext, targetcli1);
1822
1823 if (eno != EEXIST ||
1824 !cli_unlink(targetcli1, targetpath2) ||
1825 !cli_rename(targetcli1, targetpath1, targetpath2)) {
1826
1827 errno = eno;
1828 return -1;
1829
1830 }
1831 }
1832
1833 return 0; /* Success */
1834
1835 }
1836
1837 /*
1838 * A routine to lseek() a file
1839 */
1840
1841 static off_t
1842 smbc_lseek_ctx(SMBCCTX *context,
1843 SMBCFILE *file,
1844 off_t offset,
1845 int whence)
1846 {
1847 SMB_OFF_T size;
1848 fstring server, share, user, password;
1849 pstring path, targetpath;
1850 struct cli_state *targetcli;
1851
1852 if (!context || !context->internal ||
1853 !context->internal->_initialized) {
1854
1855 errno = EINVAL;
1856 return -1;
1857
1858 }
1859
1860 if (!file || !DLIST_CONTAINS(context->internal->_files, file)) {
1861
1862 errno = EBADF;
1863 return -1;
1864
1865 }
1866
1867 if (!file->file) {
1868
1869 errno = EINVAL;
1870 return -1; /* Can't lseek a dir ... */
1871
1872 }
1873
1874 switch (whence) {
1875 case SEEK_SET:
1876 file->offset = offset;
1877 break;
1878
1879 case SEEK_CUR:
1880 file->offset += offset;
1881 break;
1882
1883 case SEEK_END:
1884 /*d_printf(">>>lseek: parsing %s\n", file->fname);*/
1885 if (smbc_parse_path(context, file->fname,
1886 NULL, 0,
1887 server, sizeof(server),
1888 share, sizeof(share),
1889 path, sizeof(path),
1890 user, sizeof(user),
1891 password, sizeof(password),
1892 NULL, 0)) {
1893
1894 errno = EINVAL;
1895 return -1;
1896 }
1897
1898 /*d_printf(">>>lseek: resolving %s\n", path);*/
1899 if (!cli_resolve_path("", &file->srv->cli, path,
1900 &targetcli, targetpath))
1901 {
1902 d_printf("Could not resolve %s\n", path);
1903 return -1;
1904 }
1905 /*d_printf(">>>lseek: resolved path as %s\n", targetpath);*/
1906
1907 if (!cli_qfileinfo(targetcli, file->cli_fd, NULL,
1908 &size, NULL, NULL, NULL, NULL, NULL))
1909 {
1910 SMB_OFF_T b_size = size;
1911 if (!cli_getattrE(targetcli, file->cli_fd,
1912 NULL, &b_size, NULL, NULL, NULL))
1913 {
1914 errno = EINVAL;
1915 return -1;
1916 } else
1917 size = b_size;
1918 }
1919 file->offset = size + offset;
1920 break;
1921
1922 default:
1923 errno = EINVAL;
1924 break;
1925
1926 }
1927
1928 return file->offset;
1929
1930 }
1931
1932 /*
1933 * Generate an inode number from file name for those things that need it
1934 */
1935
1936 static ino_t
1937 smbc_inode(SMBCCTX *context,
1938 const char *name)
1939 {
1940
1941 if (!context || !context->internal ||
1942 !context->internal->_initialized) {
1943
1944 errno = EINVAL;
1945 return -1;
1946
1947 }
1948
1949 if (!*name) return 2; /* FIXME, why 2 ??? */
1950 return (ino_t)str_checksum(name);
1951
1952 }
1953
1954 /*
1955 * Routine to put basic stat info into a stat structure ... Used by stat and
1956 * fstat below.
1957 */
1958
1959 static int
1960 smbc_setup_stat(SMBCCTX *context,
1961 struct stat *st,
1962 char *fname,
1963 SMB_OFF_T size,
1964 int mode)
1965 {
1966
1967 st->st_mode = 0;
1968
1969 if (IS_DOS_DIR(mode)) {
1970 st->st_mode = SMBC_DIR_MODE;
1971 } else {
1972 st->st_mode = SMBC_FILE_MODE;
1973 }
1974
1975 if (IS_DOS_ARCHIVE(mode)) st->st_mode |= S_IXUSR;
1976 if (IS_DOS_SYSTEM(mode)) st->st_mode |= S_IXGRP;
1977 if (IS_DOS_HIDDEN(mode)) st->st_mode |= S_IXOTH;
1978 if (!IS_DOS_READONLY(mode)) st->st_mode |= S_IWUSR;
1979
1980 st->st_size = size;
1981 #ifdef HAVE_STAT_ST_BLKSIZE
1982 st->st_blksize = 512;
1983 #endif
1984 #ifdef HAVE_STAT_ST_BLOCKS
1985 st->st_blocks = (size+511)/512;
1986 #endif
1987 st->st_uid = getuid();
1988 st->st_gid = getgid();
1989
1990 if (IS_DOS_DIR(mode)) {
1991 st->st_nlink = 2;
1992 } else {
1993 st->st_nlink = 1;
1994 }
1995
1996 if (st->st_ino == 0) {
1997 st->st_ino = smbc_inode(context, fname);
1998 }
1999
2000 return True; /* FIXME: Is this needed ? */
2001
2002 }
2003
2004 /*
2005 * Routine to stat a file given a name
2006 */
2007
2008 static int
2009 smbc_stat_ctx(SMBCCTX *context,
2010 const char *fname,
2011 struct stat *st)
2012 {
2013 SMBCSRV *srv;
2014 fstring server;
2015 fstring share;
2016 fstring user;
2017 fstring password;
2018 fstring workgroup;
2019 pstring path;
2020 time_t m_time = 0;
2021 time_t a_time = 0;
2022 time_t c_time = 0;
2023 SMB_OFF_T size = 0;
2024 uint16 mode = 0;
2025 SMB_INO_T ino = 0;
2026
2027 if (!context || !context->internal ||
2028 !context->internal->_initialized) {
2029
2030 errno = EINVAL; /* Best I can think of ... */
2031 return -1;
2032
2033 }
2034
2035 if (!fname) {
2036
2037 errno = EINVAL;
2038 return -1;
2039
2040 }
2041
2042 DEBUG(4, ("smbc_stat(%s)\n", fname));
2043
2044 if (smbc_parse_path(context, fname,
2045 workgroup, sizeof(workgroup),
2046 server, sizeof(server),
2047 share, sizeof(share),
2048 path, sizeof(path),
2049 user, sizeof(user),
2050 password, sizeof(password),
2051 NULL, 0)) {
2052 errno = EINVAL;
2053 return -1;
2054 }
2055
2056 if (user[0] == (char)0) fstrcpy(user, context->user);
2057
2058 srv = smbc_server(context, True,
2059 server, share, workgroup, user, password);
2060
2061 if (!srv) {
2062 return -1; /* errno set by smbc_server */
2063 }
2064
2065 if (!smbc_getatr(context, srv, path, &mode, &size,
2066 &c_time, &a_time, &m_time, &ino)) {
2067
2068 errno = smbc_errno(context, &srv->cli);
2069 return -1;
2070
2071 }
2072
2073 st->st_ino = ino;
2074
2075 smbc_setup_stat(context, st, path, size, mode);
2076
2077 st->st_atime = a_time;
2078 st->st_ctime = c_time;
2079 st->st_mtime = m_time;
2080 st->st_dev = srv->dev;
2081
2082 return 0;
2083
2084 }
2085
2086 /*
2087 * Routine to stat a file given an fd
2088 */
2089
2090 static int
2091 smbc_fstat_ctx(SMBCCTX *context,
2092 SMBCFILE *file,
2093 struct stat *st)
2094 {
2095 time_t c_time;
2096 time_t a_time;
2097 time_t m_time;
2098 SMB_OFF_T size;
2099 uint16 mode;
2100 fstring server;
2101 fstring share;
2102 fstring user;
2103 fstring password;
2104 pstring path;
2105 pstring targetpath;
2106 struct cli_state *targetcli;
2107 SMB_INO_T ino = 0;
2108
2109 if (!context || !context->internal ||
2110 !context->internal->_initialized) {
2111
2112 errno = EINVAL;
2113 return -1;
2114
2115 }
2116
2117 if (!file || !DLIST_CONTAINS(context->internal->_files, file)) {
2118
2119 errno = EBADF;
2120 return -1;
2121
2122 }
2123
2124 if (!file->file) {
2125
2126 return context->fstatdir(context, file, st);
2127
2128 }
2129
2130 /*d_printf(">>>fstat: parsing %s\n", file->fname);*/
2131 if (smbc_parse_path(context, file->fname,
2132 NULL, 0,
2133 server, sizeof(server),
2134 share, sizeof(share),
2135 path, sizeof(path),
2136 user, sizeof(user),
2137 password, sizeof(password),
2138 NULL, 0)) {
2139 errno = EINVAL;
2140 return -1;
2141 }
2142
2143 /*d_printf(">>>fstat: resolving %s\n", path);*/
2144 if (!cli_resolve_path("", &file->srv->cli, path,
2145 &targetcli, targetpath))
2146 {
2147 d_printf("Could not resolve %s\n", path);
2148 return -1;
2149 }
2150 /*d_printf(">>>fstat: resolved path as %s\n", targetpath);*/
2151
2152 if (!cli_qfileinfo(targetcli, file->cli_fd, &mode, &size,
2153 &c_time, &a_time, &m_time, NULL, &ino)) {
2154 if (!cli_getattrE(targetcli, file->cli_fd, &mode, &size,
2155 &c_time, &a_time, &m_time)) {
2156
2157 errno = EINVAL;
2158 return -1;
2159 }
2160 }
2161
2162 st->st_ino = ino;
2163
2164 smbc_setup_stat(context, st, file->fname, size, mode);
2165
2166 st->st_atime = a_time;
2167 st->st_ctime = c_time;
2168 st->st_mtime = m_time;
2169 st->st_dev = file->srv->dev;
2170
2171 return 0;
2172
2173 }
2174
2175 /*
2176 * Routine to open a directory
2177 * We accept the URL syntax explained in smbc_parse_path(), above.
2178 */
2179
2180 static void
2181 smbc_remove_dir(SMBCFILE *dir)
2182 {
2183 struct smbc_dir_list *d,*f;
2184
2185 d = dir->dir_list;
2186 while (d) {
2187
2188 f = d; d = d->next;
2189
2190 SAFE_FREE(f->dirent);
2191 SAFE_FREE(f);
2192
2193 }
2194
2195 dir->dir_list = dir->dir_end = dir->dir_next = NULL;
2196
2197 }
2198
2199 static int
2200 add_dirent(SMBCFILE *dir,
2201 const char *name,
2202 const char *comment,
2203 uint32 type)
2204 {
2205 struct smbc_dirent *dirent;
2206 int size;
2207 int name_length = (name == NULL ? 0 : strlen(name));
2208 int comment_len = (comment == NULL ? 0 : strlen(comment));
2209
2210 /*
2211 * Allocate space for the dirent, which must be increased by the
2212 * size of the name and the comment and 1 each for the null terminator.
2213 */
2214
2215 size = sizeof(struct smbc_dirent) + name_length + comment_len + 2;
2216
2217 dirent = SMB_MALLOC(size);
2218
2219 if (!dirent) {
2220
2221 dir->dir_error = ENOMEM;
2222 return -1;
2223
2224 }
2225
2226 ZERO_STRUCTP(dirent);
2227
2228 if (dir->dir_list == NULL) {
2229
2230 dir->dir_list = SMB_MALLOC_P(struct smbc_dir_list);
2231 if (!dir->dir_list) {
2232
2233 SAFE_FREE(dirent);
2234 dir->dir_error = ENOMEM;
2235 return -1;
2236
2237 }
2238 ZERO_STRUCTP(dir->dir_list);
2239
2240 dir->dir_end = dir->dir_next = dir->dir_list;
2241 }
2242 else {
2243
2244 dir->dir_end->next = SMB_MALLOC_P(struct smbc_dir_list);
2245
2246 if (!dir->dir_end->next) {
2247
2248 SAFE_FREE(dirent);
2249 dir->dir_error = ENOMEM;
2250 return -1;
2251
2252 }
2253 ZERO_STRUCTP(dir->dir_end->next);
2254
2255 dir->dir_end = dir->dir_end->next;
2256 }
2257
2258 dir->dir_end->next = NULL;
2259 dir->dir_end->dirent = dirent;
2260
2261 dirent->smbc_type = type;
2262 dirent->namelen = name_length;
2263 dirent->commentlen = comment_len;
2264 dirent->dirlen = size;
2265
2266 /*
2267 * dirent->namelen + 1 includes the null (no null termination needed)
2268 * Ditto for dirent->commentlen.
2269 * The space for the two null bytes was allocated.
2270 */
2271 strncpy(dirent->name, (name?name:""), dirent->namelen + 1);
2272 dirent->comment = (char *)(&dirent->name + dirent->namelen + 1);
2273 strncpy(dirent->comment, (comment?comment:""), dirent->commentlen + 1);
2274
2275 return 0;
2276
2277 }
2278
2279 static void
2280 list_unique_wg_fn(const char *name,
2281 uint32 type,
2282 const char *comment,
2283 void *state)
2284 {
2285 SMBCFILE *dir = (SMBCFILE *)state;
2286 struct smbc_dir_list *dir_list;
2287 struct smbc_dirent *dirent;
2288 int dirent_type;
2289 int do_remove = 0;
2290
2291 dirent_type = dir->dir_type;
2292
2293 if (add_dirent(dir, name, comment, dirent_type) < 0) {
2294
2295 /* An error occurred, what do we do? */
2296 /* FIXME: Add some code here */
2297 }
2298
2299 /* Point to the one just added */
2300 dirent = dir->dir_end->dirent;
2301
2302 /* See if this was a duplicate */
2303 for (dir_list = dir->dir_list;
2304 dir_list != dir->dir_end;
2305 dir_list = dir_list->next) {
2306 if (! do_remove &&
2307 strcmp(dir_list->dirent->name, dirent->name) == 0) {
2308 /* Duplicate. End end of list need to be removed. */
2309 do_remove = 1;
2310 }
2311
2312 if (do_remove && dir_list->next == dir->dir_end) {
2313 /* Found the end of the list. Remove it. */
2314 dir->dir_end = dir_list;
2315 free(dir_list->next);
2316 free(dirent);
2317 dir_list->next = NULL;
2318 break;
2319 }
2320 }
2321 }
2322
2323 static void
2324 list_fn(const char *name,
2325 uint32 type,
2326 const char *comment,
2327 void *state)
2328 {
2329 SMBCFILE *dir = (SMBCFILE *)state;
2330 int dirent_type;
2331
2332 /*
2333 * We need to process the type a little ...
2334 *
2335 * Disk share = 0x00000000
2336 * Print share = 0x00000001
2337 * Comms share = 0x00000002 (obsolete?)
2338 * IPC$ share = 0x00000003
2339 *
2340 * administrative shares:
2341 * ADMIN$, IPC$, C$, D$, E$ ... are type |= 0x80000000
2342 */
2343
2344 if (dir->dir_type == SMBC_FILE_SHARE) {
2345
2346 switch (type) {
2347 case 0 | 0x80000000:
2348 case 0:
2349 dirent_type = SMBC_FILE_SHARE;
2350 break;
2351
2352 case 1:
2353 dirent_type = SMBC_PRINTER_SHARE;
2354 break;
2355
2356 case 2:
2357 dirent_type = SMBC_COMMS_SHARE;
2358 break;
2359
2360 case 3 | 0x80000000:
2361 case 3:
2362 dirent_type = SMBC_IPC_SHARE;
2363 break;
2364
2365 default:
2366 dirent_type = SMBC_FILE_SHARE; /* FIXME, error? */
2367 break;
2368 }
2369 }
2370 else {
2371 dirent_type = dir->dir_type;
2372 }
2373
2374 if (add_dirent(dir, name, comment, dirent_type) < 0) {
2375
2376 /* An error occurred, what do we do? */
2377 /* FIXME: Add some code here */
2378
2379 }
2380 }
2381
2382 static void
2383 dir_list_fn(const char *mnt,
2384 file_info *finfo,
2385 const char *mask,
2386 void *state)
2387 {
2388
2389 if (add_dirent((SMBCFILE *)state, finfo->name, "",
2390 (finfo->mode&aDIR?SMBC_DIR:SMBC_FILE)) < 0) {
2391
2392 /* Handle an error ... */
2393
2394 /* FIXME: Add some code ... */
2395
2396 }
2397
2398 }
2399
2400 static int
2401 net_share_enum_rpc(struct cli_state *cli,
2402 void (*fn)(const char *name,
2403 uint32 type,
2404 const char *comment,
2405 void *state),
2406 void *state)
2407 {
2408 int i;
2409 WERROR result;
2410 ENUM_HND enum_hnd;
2411 uint32 info_level = 1;
2412 uint32 preferred_len = 0xffffffff;
2413 uint32 type;
2414 SRV_SHARE_INFO_CTR ctr;
2415 fstring name = "";
2416 fstring comment = "";
2417 void *mem_ctx;
2418 struct rpc_pipe_client *pipe_hnd;
2419 NTSTATUS nt_status;
2420
2421 /* Open the server service pipe */
2422 pipe_hnd = cli_rpc_pipe_open_noauth(cli, PI_SRVSVC, &nt_status);
2423 if (!pipe_hnd) {
2424 DEBUG(1, ("net_share_enum_rpc pipe open fail!\n"));
2425 return -1;
2426 }
2427
2428 /* Allocate a context for parsing and for the entries in "ctr" */
2429 mem_ctx = talloc_init("libsmbclient: net_share_enum_rpc");
2430 if (mem_ctx == NULL) {
2431 DEBUG(0, ("out of memory for net_share_enum_rpc!\n"));
2432 cli_rpc_pipe_close(pipe_hnd);
2433 return -1;
2434 }
2435
2436 /* Issue the NetShareEnum RPC call and retrieve the response */
2437 init_enum_hnd(&enum_hnd, 0);
2438 result = rpccli_srvsvc_net_share_enum(pipe_hnd,
2439 mem_ctx,
2440 info_level,
2441 &ctr,
2442 preferred_len,
2443 &enum_hnd);
2444
2445 /* Was it successful? */
2446 if (!W_ERROR_IS_OK(result) || ctr.num_entries == 0) {
2447 /* Nope. Go clean up. */
2448 goto done;
2449 }
2450
2451 /* For each returned entry... */
2452 for (i = 0; i < ctr.num_entries; i++) {
2453
2454 /* pull out the share name */
2455 rpcstr_pull_unistr2_fstring(
2456 name, &ctr.share.info1[i].info_1_str.uni_netname);
2457
2458 /* pull out the share's comment */
2459 rpcstr_pull_unistr2_fstring(
2460 comment, &ctr.share.info1[i].info_1_str.uni_remark);
2461
2462 /* Get the type value */
2463 type = ctr.share.info1[i].info_1.type;
2464
2465 /* Add this share to the list */
2466 (*fn)(name, type, comment, state);
2467 }
2468
2469 done:
2470 /* Close the server service pipe */
2471 cli_rpc_pipe_close(pipe_hnd);
2472
2473 /* Free all memory which was allocated for this request */
2474 TALLOC_FREE(mem_ctx);
2475
2476 /* Tell 'em if it worked */
2477 return W_ERROR_IS_OK(result) ? 0 : -1;
2478 }
2479
2480
2481
2482 static SMBCFILE *
2483 smbc_opendir_ctx(SMBCCTX *context,
2484 const char *fname)
2485 {
2486 fstring server, share, user, password, options;
2487 pstring workgroup;
2488 pstring path;
2489 uint16 mode;
2490 char *p;
2491 SMBCSRV *srv = NULL;
2492 SMBCFILE *dir = NULL;
2493 struct in_addr rem_ip;
2494
2495 if (!context || !context->internal ||
2496 !context->internal->_initialized) {
2497 DEBUG(4, ("no valid context\n"));
2498 errno = EINVAL + 8192;
2499 return NULL;
2500
2501 }
2502
2503 if (!fname) {
2504 DEBUG(4, ("no valid fname\n"));
2505 errno = EINVAL + 8193;
2506 return NULL;
2507 }
2508
2509 if (smbc_parse_path(context, fname,
2510 workgroup, sizeof(workgroup),
2511 server, sizeof(server),
2512 share, sizeof(share),
2513 path, sizeof(path),
2514 user, sizeof(user),
2515 password, sizeof(password),
2516 options, sizeof(options))) {
2517 DEBUG(4, ("no valid path\n"));
2518 errno = EINVAL + 8194;
2519 return NULL;
2520 }
2521
2522 DEBUG(4, ("parsed path: fname='%s' server='%s' share='%s' "
2523 "path='%s' options='%s'\n",
2524 fname, server, share, path, options));
2525
2526 /* Ensure the options are valid */
2527 if (smbc_check_options(server, share, path, options)) {
2528 DEBUG(4, ("unacceptable options (%s)\n", options));
2529 errno = EINVAL + 8195;
2530 return NULL;
2531 }
2532
2533 if (user[0] == (char)0) fstrcpy(user, context->user);
2534
2535 dir = SMB_MALLOC_P(SMBCFILE);
2536
2537 if (!dir) {
2538
2539 errno = ENOMEM;
2540 return NULL;
2541
2542 }
2543
2544 ZERO_STRUCTP(dir);
2545
2546 dir->cli_fd = 0;
2547 dir->fname = SMB_STRDUP(fname);
2548 dir->srv = NULL;
2549 dir->offset = 0;
2550 dir->file = False;
2551 dir->dir_list = dir->dir_next = dir->dir_end = NULL;
2552
2553 if (server[0] == (char)0) {
2554
2555 int i;
2556 int count;
2557 int max_lmb_count;
2558 struct ip_service *ip_list;
2559 struct ip_service server_addr;
2560 struct user_auth_info u_info;
2561 struct cli_state *cli;
2562
2563 if (share[0] != (char)0 || path[0] != (char)0) {
2564
2565 errno = EINVAL + 8196;
2566 if (dir) {
2567 SAFE_FREE(dir->fname);
2568 SAFE_FREE(dir);
2569 }
2570 return NULL;
2571 }
2572
2573 /* Determine how many local master browsers to query */
2574 max_lmb_count = (context->options.browse_max_lmb_count == 0
2575 ? INT_MAX
2576 : context->options.browse_max_lmb_count);
2577
2578 pstrcpy(u_info.username, user);
2579 pstrcpy(u_info.password, password);
2580
2581 /*
2582 * We have server and share and path empty but options
2583 * requesting that we scan all master browsers for their list
2584 * of workgroups/domains. This implies that we must first try
2585 * broadcast queries to find all master browsers, and if that
2586 * doesn't work, then try our other methods which return only
2587 * a single master browser.
2588 */
2589
2590 ip_list = NULL;
2591 if (!name_resolve_bcast(MSBROWSE, 1, &ip_list, &count)) {
2592
2593 SAFE_FREE(ip_list);
2594
2595 if (!find_master_ip(workgroup, &server_addr.ip)) {
2596
2597 errno = ENOENT;
2598 return NULL;
2599 }
2600
2601 ip_list = &server_addr;
2602 count = 1;
2603 }
2604
2605 for (i = 0; i < count && i < max_lmb_count; i++) {
2606 DEBUG(99, ("Found master browser %d of %d: %s\n",
2607 i+1, MAX(count, max_lmb_count),
2608 inet_ntoa(ip_list[i].ip)));
2609
2610 cli = get_ipc_connect_master_ip(&ip_list[i],
2611 workgroup, &u_info);
2612 /* cli == NULL is the master browser refused to talk or
2613 could not be found */
2614 if ( !cli )
2615 continue;
2616
2617 fstrcpy(server, cli->desthost);
2618 cli_shutdown(cli);
2619
2620 DEBUG(4, ("using workgroup %s %s\n",
2621 workgroup, server));
2622
2623 /*
2624 * For each returned master browser IP address, get a
2625 * connection to IPC$ on the server if we do not
2626 * already have one, and determine the
2627 * workgroups/domains that it knows about.
2628 */
2629
2630 srv = smbc_server(context, True, server, "IPC$",
2631 workgroup, user, password);
2632 if (!srv) {
2633 continue;
2634 }
2635
2636 dir->srv = srv;
2637 dir->dir_type = SMBC_WORKGROUP;
2638
2639 /* Now, list the stuff ... */
2640
2641 if (!cli_NetServerEnum(&srv->cli,
2642 workgroup,
2643 SV_TYPE_DOMAIN_ENUM,
2644 list_unique_wg_fn,
2645 (void *)dir)) {
2646 continue;
2647 }
2648 }
2649
2650 SAFE_FREE(ip_list);
2651 } else {
2652 /*
2653 * Server not an empty string ... Check the rest and see what
2654 * gives
2655 */
2656 if (*share == '\0') {
2657 if (*path != '\0') {
2658
2659 /* Should not have empty share with path */
2660 errno = EINVAL + 8197;
2661 if (dir) {
2662 SAFE_FREE(dir->fname);
2663 SAFE_FREE(dir);
2664 }
2665 return NULL;
2666
2667 }
2668
2669 /*
2670 * We don't know if <server> is really a server name
2671 * or is a workgroup/domain name. If we already have
2672 * a server structure for it, we'll use it.
2673 * Otherwise, check to see if <server><1D>,
2674 * <server><1B>, or <server><20> translates. We check
2675 * to see if <server> is an IP address first.
2676 */
2677
2678 /*
2679 * See if we have an existing server. Do not
2680 * establish a connection if one does not already
2681 * exist.
2682 */
2683 srv = smbc_server(context, False, server, "IPC$",
2684 workgroup, user, password);
2685
2686 /*
2687 * If no existing server and not an IP addr, look for
2688 * LMB or DMB
2689 */
2690 if (!srv &&
2691 !is_ipaddress(server) &&
2692 (resolve_name(server, &rem_ip, 0x1d) || /* LMB */
2693 resolve_name(server, &rem_ip, 0x1b) )) { /* DMB */
2694
2695 fstring buserver;
2696
2697 dir->dir_type = SMBC_SERVER;
2698
2699 /*
2700 * Get the backup list ...
2701 */
2702 if (!name_status_find(server, 0, 0,
2703 rem_ip, buserver)) {
2704
2705 DEBUG(0, ("Could not get name of "
2706 "local/domain master browser "
2707 "for server %s\n", server));
2708 errno = EPERM;
2709 return NULL;
2710
2711 }
2712
2713 /*
2714 * Get a connection to IPC$ on the server if
2715 * we do not already have one
2716 */
2717 srv = smbc_server(context, True,
2718 buserver, "IPC$",
2719 workgroup, user, password);
2720 if (!srv) {
2721 DEBUG(0, ("got no contact to IPC$\n"));
2722 if (dir) {
2723 SAFE_FREE(dir->fname);
2724 SAFE_FREE(dir);
2725 }
2726 return NULL;
2727
2728 }
2729
2730 dir->srv = srv;
2731
2732 /* Now, list the servers ... */
2733 if (!cli_NetServerEnum(&srv->cli, server,
2734 0x0000FFFE, list_fn,
2735 (void *)dir)) {
2736
2737 if (dir) {
2738 SAFE_FREE(dir->fname);
2739 SAFE_FREE(dir);
2740 }
2741 return NULL;
2742 }
2743 } else if (srv ||
2744 (resolve_name(server, &rem_ip, 0x20))) {
2745
2746 /* If we hadn't found the server, get one now */
2747 if (!srv) {
2748 srv = smbc_server(context, True,
2749 server, "IPC$",
2750 workgroup,
2751 user, password);
2752 }
2753
2754 if (!srv) {
2755 if (dir) {
2756 SAFE_FREE(dir->fname);
2757 SAFE_FREE(dir);
2758 }
2759 return NULL;
2760
2761 }
2762
2763 dir->dir_type = SMBC_FILE_SHARE;
2764 dir->srv = srv;
2765
2766 /* List the shares ... */
2767
2768 if (net_share_enum_rpc(
2769 &srv->cli,
2770 list_fn,
2771 (void *) dir) < 0 &&
2772 cli_RNetShareEnum(
2773 &srv->cli,
2774 list_fn,
2775 (void *)dir) < 0) {
2776
2777 errno = cli_errno(&srv->cli);
2778 if (dir) {
2779 SAFE_FREE(dir->fname);
2780 SAFE_FREE(dir);
2781 }
2782 return NULL;
2783
2784 }
2785 } else {
2786 /* Neither the workgroup nor server exists */
2787 errno = ECONNREFUSED;
2788 if (dir) {
2789 SAFE_FREE(dir->fname);
2790 SAFE_FREE(dir);
2791 }
2792 return NULL;
2793 }
2794
2795 }
2796 else {
2797 /*
2798 * The server and share are specified ... work from
2799 * there ...
2800 */
2801 pstring targetpath;
2802 struct cli_state *targetcli;
2803
2804 /* We connect to the server and list the directory */
2805 dir->dir_type = SMBC_FILE_SHARE;
2806
2807 srv = smbc_server(context, True, server, share,
2808 workgroup, user, password);
2809
2810 if (!srv) {
2811
2812 if (dir) {
2813 SAFE_FREE(dir->fname);
2814 SAFE_FREE(dir);
2815 }
2816 return NULL;
2817
2818 }
2819
2820 dir->srv = srv;
2821
2822 /* Now, list the files ... */
2823
2824 p = path + strlen(path);
2825 pstrcat(path, "\\*");
2826
2827 if (!cli_resolve_path("", &srv->cli, path,
2828 &targetcli, targetpath))
2829 {
2830 d_printf("Could not resolve %s\n", path);
2831 return NULL;
2832 }
2833
2834 if (cli_list(targetcli, targetpath,
2835 aDIR | aSYSTEM | aHIDDEN,
2836 dir_list_fn, (void *)dir) < 0) {
2837
2838 if (dir) {
2839 SAFE_FREE(dir->fname);
2840 SAFE_FREE(dir);
2841 }
2842 errno = smbc_errno(context, targetcli);
2843
2844 if (errno == EINVAL) {
2845 /*
2846 * See if they asked to opendir something
2847 * other than a directory. If so, the
2848 * converted error value we got would have
2849 * been EINVAL rather than ENOTDIR.
2850 */
2851 *p = '\0'; /* restore original path */
2852
2853 if (smbc_getatr(context, srv, path,
2854 &mode, NULL,
2855 NULL, NULL, NULL,
2856 NULL) &&
2857 ! IS_DOS_DIR(mode)) {
2858
2859 /* It is. Correct the error value */
2860 errno = ENOTDIR;
2861 }
2862 }
2863
2864 return NULL;
2865
2866 }
2867 }
2868
2869 }
2870
2871 DLIST_ADD(context->internal->_files, dir);
2872 return dir;
2873
2874 }
2875
2876 /*
2877 * Routine to close a directory
2878 */
2879
2880 static int
2881 smbc_closedir_ctx(SMBCCTX *context,
2882 SMBCFILE *dir)
2883 {
2884
2885 if (!context || !context->internal ||
2886 !context->internal->_initialized) {
2887
2888 errno = EINVAL;
2889 return -1;
2890
2891 }
2892
2893 if (!dir || !DLIST_CONTAINS(context->internal->_files, dir)) {
2894
2895 errno = EBADF;
2896 return -1;
2897
2898 }
2899
2900 smbc_remove_dir(dir); /* Clean it up */
2901
2902 DLIST_REMOVE(context->internal->_files, dir);
2903
2904 if (dir) {
2905
2906 SAFE_FREE(dir->fname);
2907 SAFE_FREE(dir); /* Free the space too */
2908 }
2909
2910 return 0;
2911
2912 }
2913
2914 static void
2915 smbc_readdir_internal(SMBCCTX * context,
2916 struct smbc_dirent *dest,
2917 struct smbc_dirent *src,
2918 int max_namebuf_len)
2919 {
2920 if (context->options.urlencode_readdir_entries) {
2921
2922 /* url-encode the name. get back remaining buffer space */
2923 max_namebuf_len =
2924 smbc_urlencode(dest->name, src->name, max_namebuf_len);
2925
2926 /* We now know the name length */
2927 dest->namelen = strlen(dest->name);
2928
2929 /* Save the pointer to the beginning of the comment */
2930 dest->comment = dest->name + dest->namelen + 1;
2931
2932 /* Copy the comment */
2933 strncpy(dest->comment, src->comment, max_namebuf_len - 1);
2934 dest->comment[max_namebuf_len - 1] = '\0';
2935
2936 /* Save other fields */
2937 dest->smbc_type = src->smbc_type;
2938 dest->commentlen = strlen(dest->comment);
2939 dest->dirlen = ((dest->comment + dest->commentlen + 1) -
2940 (char *) dest);
2941 } else {
2942
2943 /* No encoding. Just copy the entry as is. */
2944 memcpy(dest, src, src->dirlen);
2945 dest->comment = (char *)(&dest->name + src->namelen + 1);
2946 }
2947
2948 }
2949
2950 /*
2951 * Routine to get a directory entry
2952 */
2953
2954 struct smbc_dirent *
2955 smbc_readdir_ctx(SMBCCTX *context,
2956 SMBCFILE *dir)
2957 {
2958 int maxlen;
2959 struct smbc_dirent *dirp, *dirent;
2960
2961 /* Check that all is ok first ... */
2962
2963 if (!context || !context->internal ||
2964 !context->internal->_initialized) {
2965
2966 errno = EINVAL;
2967 DEBUG(0, ("Invalid context in smbc_readdir_ctx()\n"));
2968 return NULL;
2969
2970 }
2971
2972 if (!dir || !DLIST_CONTAINS(context->internal->_files, dir)) {
2973
2974 errno = EBADF;
2975 DEBUG(0, ("Invalid dir in smbc_readdir_ctx()\n"));
2976 return NULL;
2977
2978 }
2979
2980 if (dir->file != False) { /* FIXME, should be dir, perhaps */
2981
2982 errno = ENOTDIR;
2983 DEBUG(0, ("Found file vs directory in smbc_readdir_ctx()\n"));
2984 return NULL;
2985
2986 }
2987
2988 if (!dir->dir_next) {
2989 return NULL;
2990 }
2991
2992 dirent = dir->dir_next->dirent;
2993 if (!dirent) {
2994
2995 errno = ENOENT;
2996 return NULL;
2997
2998 }
2999
3000 dirp = (struct smbc_dirent *)context->internal->_dirent;
3001 maxlen = (sizeof(context->internal->_dirent) -
3002 sizeof(struct smbc_dirent));
3003
3004 smbc_readdir_internal(context, dirp, dirent, maxlen);
3005
3006 dir->dir_next = dir->dir_next->next;
3007
3008 return dirp;
3009 }
3010
3011 /*
3012 * Routine to get directory entries
3013 */
3014
3015 static int
3016 smbc_getdents_ctx(SMBCCTX *context,
3017 SMBCFILE *dir,
3018 struct smbc_dirent *dirp,
3019 int count)
3020 {
3021 int rem = count;
3022 int reqd;
3023 int maxlen;
3024 char *ndir = (char *)dirp;
3025 struct smbc_dir_list *dirlist;
3026
3027 /* Check that all is ok first ... */
3028
3029 if (!context || !context->internal ||
3030 !context->internal->_initialized) {
3031
3032 errno = EINVAL;
3033 return -1;
3034
3035 }
3036
3037 if (!dir || !DLIST_CONTAINS(context->internal->_files, dir)) {
3038
3039 errno = EBADF;
3040 return -1;
3041
3042 }
3043
3044 if (dir->file != False) { /* FIXME, should be dir, perhaps */
3045
3046 errno = ENOTDIR;
3047 return -1;
3048
3049 }
3050
3051 /*
3052 * Now, retrieve the number of entries that will fit in what was passed
3053 * We have to figure out if the info is in the list, or we need to
3054 * send a request to the server to get the info.
3055 */
3056
3057 while ((dirlist = dir->dir_next)) {
3058 struct smbc_dirent *dirent;
3059
3060 if (!dirlist->dirent) {
3061
3062 errno = ENOENT; /* Bad error */
3063 return -1;
3064
3065 }
3066
3067 /* Do urlencoding of next entry, if so selected */
3068 dirent = (struct smbc_dirent *)context->internal->_dirent;
3069 maxlen = (sizeof(context->internal->_dirent) -
3070 sizeof(struct smbc_dirent));
3071 smbc_readdir_internal(context, dirent, dirlist->dirent, maxlen);
3072
3073 reqd = dirent->dirlen;
3074
3075 if (rem < reqd) {
3076
3077 if (rem < count) { /* We managed to copy something */
3078
3079 errno = 0;
3080 return count - rem;
3081
3082 }
3083 else { /* Nothing copied ... */
3084
3085 errno = EINVAL; /* Not enough space ... */
3086 return -1;
3087
3088 }
3089
3090 }
3091
3092 memcpy(ndir, dirent, reqd); /* Copy the data in ... */
3093
3094 ((struct smbc_dirent *)ndir)->comment =
3095 (char *)(&((struct smbc_dirent *)ndir)->name +
3096 dirent->namelen +
3097 1);
3098
3099 ndir += reqd;
3100
3101 rem -= reqd;
3102
3103 dir->dir_next = dirlist = dirlist -> next;
3104 }
3105
3106 if (rem == count)
3107 return 0;
3108 else
3109 return count - rem;
3110
3111 }
3112
3113 /*
3114 * Routine to create a directory ...
3115 */
3116
3117 static int
3118 smbc_mkdir_ctx(SMBCCTX *context,
3119 const char *fname,
3120 mode_t mode)
3121 {
3122 SMBCSRV *srv;
3123 fstring server;
3124 fstring share;
3125 fstring user;
3126 fstring password;
3127 fstring workgroup;
3128 pstring path, targetpath;
3129 struct cli_state *targetcli;
3130
3131 if (!context || !context->internal ||
3132 !context->internal->_initialized) {
3133
3134 errno = EINVAL;
3135 return -1;
3136
3137 }
3138
3139 if (!fname) {
3140
3141 errno = EINVAL;
3142 return -1;
3143
3144 }
3145
3146 DEBUG(4, ("smbc_mkdir(%s)\n", fname));
3147
3148 if (smbc_parse_path(context, fname,
3149 workgroup, sizeof(workgroup),
3150 server, sizeof(server),
3151 share, sizeof(share),
3152 path, sizeof(path),
3153 user, sizeof(user),
3154 password, sizeof(password),
3155 NULL, 0)) {
3156 errno = EINVAL;
3157 return -1;
3158 }
3159
3160 if (user[0] == (char)0) fstrcpy(user, context->user);
3161
3162 srv = smbc_server(context, True,
3163 server, share, workgroup, user, password);
3164
3165 if (!srv) {
3166
3167 return -1; /* errno set by smbc_server */
3168
3169 }
3170
3171 /*d_printf(">>>mkdir: resolving %s\n", path);*/
3172 if (!cli_resolve_path( "", &srv->cli, path, &targetcli, targetpath))
3173 {
3174 d_printf("Could not resolve %s\n", path);
3175 return -1;
3176 }
3177 /*d_printf(">>>mkdir: resolved path as %s\n", targetpath);*/
3178
3179 if (!cli_mkdir(targetcli, targetpath)) {
3180
3181 errno = smbc_errno(context, targetcli);
3182 return -1;
3183
3184 }
3185
3186 return 0;
3187
3188 }
3189
3190 /*
3191 * Our list function simply checks to see if a directory is not empty
3192 */
3193
3194 static int smbc_rmdir_dirempty = True;
3195
3196 static void
3197 rmdir_list_fn(const char *mnt,
3198 file_info *finfo,
3199 const char *mask,
3200 void *state)
3201 {
3202 if (strncmp(finfo->name, ".", 1) != 0 &&
3203 strncmp(finfo->name, "..", 2) != 0) {
3204
3205 smbc_rmdir_dirempty = False;
3206 }
3207 }
3208
3209 /*
3210 * Routine to remove a directory
3211 */
3212
3213 static int
3214 smbc_rmdir_ctx(SMBCCTX *context,
3215 const char *fname)
3216 {
3217 SMBCSRV *srv;
3218 fstring server;
3219 fstring share;
3220 fstring user;
3221 fstring password;
3222 fstring workgroup;
3223 pstring path;
3224 pstring targetpath;
3225 struct cli_state *targetcli;
3226
3227 if (!context || !context->internal ||
3228 !context->internal->_initialized) {
3229
3230 errno = EINVAL;
3231 return -1;
3232
3233 }
3234
3235 if (!fname) {
3236
3237 errno = EINVAL;
3238 return -1;
3239
3240 }
3241
3242 DEBUG(4, ("smbc_rmdir(%s)\n", fname));
3243
3244 if (smbc_parse_path(context, fname,
3245 workgroup, sizeof(workgroup),
3246 server, sizeof(server),
3247 share, sizeof(share),
3248 path, sizeof(path),
3249 user, sizeof(user),
3250 password, sizeof(password),
3251 NULL, 0))
3252 {
3253 errno = EINVAL;
3254 return -1;
3255 }
3256
3257 if (user[0] == (char)0) fstrcpy(user, context->user);
3258
3259 srv = smbc_server(context, True,
3260 server, share, workgroup, user, password);
3261
3262 if (!srv) {
3263
3264 return -1; /* errno set by smbc_server */
3265
3266 }
3267
3268 /*d_printf(">>>rmdir: resolving %s\n", path);*/
3269 if (!cli_resolve_path( "", &srv->cli, path, &targetcli, targetpath))
3270 {
3271 d_printf("Could not resolve %s\n", path);
3272 return -1;
3273 }
3274 /*d_printf(">>>rmdir: resolved path as %s\n", targetpath);*/
3275
3276
3277 if (!cli_rmdir(targetcli, targetpath)) {
3278
3279 errno = smbc_errno(context, targetcli);
3280
3281 if (errno == EACCES) { /* Check if the dir empty or not */
3282
3283 /* Local storage to avoid buffer overflows */
3284 pstring lpath;
3285
3286 smbc_rmdir_dirempty = True; /* Make this so ... */
3287
3288 pstrcpy(lpath, targetpath);
3289 pstrcat(lpath, "\\*");
3290
3291 if (cli_list(targetcli, lpath,
3292 aDIR | aSYSTEM | aHIDDEN,
3293 rmdir_list_fn, NULL) < 0) {
3294
3295 /* Fix errno to ignore latest error ... */
3296 DEBUG(5, ("smbc_rmdir: "
3297 "cli_list returned an error: %d\n",
3298 smbc_errno(context, targetcli)));
3299 errno = EACCES;
3300
3301 }
3302
3303 if (smbc_rmdir_dirempty)
3304 errno = EACCES;
3305 else
3306 errno = ENOTEMPTY;
3307
3308 }
3309
3310 return -1;
3311
3312 }
3313
3314 return 0;
3315
3316 }
3317
3318 /*
3319 * Routine to return the current directory position
3320 */
3321
3322 static off_t
3323 smbc_telldir_ctx(SMBCCTX *context,
3324 SMBCFILE *dir)
3325 {
3326 off_t ret_val; /* Squash warnings about cast */
3327
3328 if (!context || !context->internal ||
3329 !context->internal->_initialized) {
3330
3331 errno = EINVAL;
3332 return -1;
3333
3334 }
3335
3336 if (!dir || !DLIST_CONTAINS(context->internal->_files, dir)) {
3337
3338 errno = EBADF;
3339 return -1;
3340
3341 }
3342
3343 if (dir->file != False) { /* FIXME, should be dir, perhaps */
3344
3345 errno = ENOTDIR;
3346 return -1;
3347
3348 }
3349
3350 /*
3351 * We return the pointer here as the offset
3352 */
3353 ret_val = (off_t)(long)dir->dir_next;
3354 return ret_val;
3355
3356 }
3357
3358 /*
3359 * A routine to run down the list and see if the entry is OK
3360 */
3361
3362 struct smbc_dir_list *
3363 smbc_check_dir_ent(struct smbc_dir_list *list,
3364 struct smbc_dirent *dirent)
3365 {
3366
3367 /* Run down the list looking for what we want */
3368
3369 if (dirent) {
3370
3371 struct smbc_dir_list *tmp = list;
3372
3373 while (tmp) {
3374
3375 if (tmp->dirent == dirent)
3376 return tmp;
3377
3378 tmp = tmp->next;
3379
3380 }
3381
3382 }
3383
3384 return NULL; /* Not found, or an error */
3385
3386 }
3387
3388
3389 /*
3390 * Routine to seek on a directory
3391 */
3392
3393 static int
3394 smbc_lseekdir_ctx(SMBCCTX *context,
3395 SMBCFILE *dir,
3396 off_t offset)
3397 {
3398 long int l_offset = offset; /* Handle problems of size */
3399 struct smbc_dirent *dirent = (struct smbc_dirent *)l_offset;
3400 struct smbc_dir_list *list_ent = (struct smbc_dir_list *)NULL;
3401
3402 if (!context || !context->internal ||
3403 !context->internal->_initialized) {
3404
3405 errno = EINVAL;
3406 return -1;
3407
3408 }
3409
3410 if (dir->file != False) { /* FIXME, should be dir, perhaps */
3411
3412 errno = ENOTDIR;
3413 return -1;
3414
3415 }
3416
3417 /* Now, check what we were passed and see if it is OK ... */
3418
3419 if (dirent == NULL) { /* Seek to the begining of the list */
3420
3421 dir->dir_next = dir->dir_list;
3422 return 0;
3423
3424 }
3425
3426 /* Now, run down the list and make sure that the entry is OK */
3427 /* This may need to be changed if we change the format of the list */
3428
3429 if ((list_ent = smbc_check_dir_ent(dir->dir_list, dirent)) == NULL) {
3430
3431 errno = EINVAL; /* Bad entry */
3432 return -1;
3433
3434 }
3435
3436 dir->dir_next = list_ent;
3437
3438 return 0;
3439
3440 }
3441
3442 /*
3443 * Routine to fstat a dir
3444 */
3445
3446 static int
3447 smbc_fstatdir_ctx(SMBCCTX *context,
3448 SMBCFILE *dir,
3449 struct stat *st)
3450 {
3451
3452 if (!context || !context->internal ||
3453 !context->internal->_initialized) {
3454
3455 errno = EINVAL;
3456 return -1;
3457
3458 }
3459
3460 /* No code yet ... */
3461
3462 return 0;
3463
3464 }
3465
3466 static int
3467 smbc_chmod_ctx(SMBCCTX *context,
3468 const char *fname,
3469 mode_t newmode)
3470 {
3471 SMBCSRV *srv;
3472 fstring server;
3473 fstring share;
3474 fstring user;
3475 fstring password;
3476 fstring workgroup;
3477 pstring path;
3478 uint16 mode;
3479
3480 if (!context || !context->internal ||
3481 !context->internal->_initialized) {
3482
3483 errno = EINVAL; /* Best I can think of ... */
3484 return -1;
3485
3486 }
3487
3488 if (!fname) {
3489
3490 errno = EINVAL;
3491 return -1;
3492
3493 }
3494
3495 DEBUG(4, ("smbc_chmod(%s, 0%3o)\n", fname, newmode));
3496
3497 if (smbc_parse_path(context, fname,
3498 workgroup, sizeof(workgroup),
3499 server, sizeof(server),
3500 share, sizeof(share),
3501 path, sizeof(path),
3502 user, sizeof(user),
3503 password, sizeof(password),
3504 NULL, 0)) {
3505 errno = EINVAL;
3506 return -1;
3507 }
3508
3509 if (user[0] == (char)0) fstrcpy(user, context->user);
3510
3511 srv = smbc_server(context, True,
3512 server, share, workgroup, user, password);
3513
3514 if (!srv) {
3515 return -1; /* errno set by smbc_server */
3516 }
3517
3518 mode = 0;
3519
3520 if (!(newmode & (S_IWUSR | S_IWGRP | S_IWOTH))) mode |= aRONLY;
3521 if ((newmode & S_IXUSR) && lp_map_archive(-1)) mode |= aARCH;
3522 if ((newmode & S_IXGRP) && lp_map_system(-1)) mode |= aSYSTEM;
3523 if ((newmode & S_IXOTH) && lp_map_hidden(-1)) mode |= aHIDDEN;
3524
3525 if (!cli_setatr(&srv->cli, path, mode, 0)) {
3526 errno = smbc_errno(context, &srv->cli);
3527 return -1;
3528 }
3529
3530 return 0;
3531 }
3532
3533 static int
3534 smbc_utimes_ctx(SMBCCTX *context,
3535 const char *fname,
3536 struct timeval *tbuf)
3537 {
3538 SMBCSRV *srv;
3539 fstring server;
3540 fstring share;
3541 fstring user;
3542 fstring password;
3543 fstring workgroup;
3544 pstring path;
3545 time_t a_time;
3546 time_t m_time;
3547
3548 if (!context || !context->internal ||
3549 !context->internal->_initialized) {
3550
3551 errno = EINVAL; /* Best I can think of ... */
3552 return -1;
3553
3554 }
3555
3556 if (!fname) {
3557
3558 errno = EINVAL;
3559 return -1;
3560
3561 }
3562
3563 if (tbuf == NULL) {
3564 a_time = m_time = time(NULL);
3565 } else {
3566 a_time = tbuf[0].tv_sec;
3567 m_time = tbuf[1].tv_sec;
3568 }
3569
3570 if (DEBUGLVL(4))
3571 {
3572 char *p;
3573 char atimebuf[32];
3574 char mtimebuf[32];
3575
3576 strncpy(atimebuf, ctime(&a_time), sizeof(atimebuf) - 1);
3577 atimebuf[sizeof(atimebuf) - 1] = '\0';
3578 if ((p = strchr(atimebuf, '\n')) != NULL) {
3579 *p = '\0';
3580 }
3581
3582 strncpy(mtimebuf, ctime(&m_time), sizeof(mtimebuf) - 1);
3583 mtimebuf[sizeof(mtimebuf) - 1] = '\0';
3584 if ((p = strchr(mtimebuf, '\n')) != NULL) {
3585 *p = '\0';
3586 }
3587
3588 dbgtext("smbc_utimes(%s, atime = %s mtime = %s)\n",
3589 fname, atimebuf, mtimebuf);
3590 }
3591
3592 if (smbc_parse_path(context, fname,
3593 workgroup, sizeof(workgroup),
3594 server, sizeof(server),
3595 share, sizeof(share),
3596 path, sizeof(path),
3597 user, sizeof(user),
3598 password, sizeof(password),
3599 NULL, 0)) {
3600 errno = EINVAL;
3601 return -1;
3602 }
3603
3604 if (user[0] == (char)0) fstrcpy(user, context->user);
3605
3606 srv = smbc_server(context, True,
3607 server, share, workgroup, user, password);
3608
3609 if (!srv) {
3610 return -1; /* errno set by smbc_server */
3611 }
3612
3613 if (!smbc_setatr(context, srv, path, 0, a_time, m_time, 0)) {
3614 return -1; /* errno set by smbc_setatr */
3615 }
3616
3617 return 0;
3618 }
3619
3620
3621 /* The MSDN is contradictory over the ordering of ACE entries in an ACL.
3622 However NT4 gives a "The information may have been modified by a
3623 computer running Windows NT 5.0" if denied ACEs do not appear before
3624 allowed ACEs. */
3625
3626 static int
3627 ace_compare(SEC_ACE *ace1,
3628 SEC_ACE *ace2)
3629 {
3630 if (sec_ace_equal(ace1, ace2))
3631 return 0;
3632
3633 if (ace1->type != ace2->type)
3634 return ace2->type - ace1->type;
3635
3636 if (sid_compare(&ace1->trustee, &ace2->trustee))
3637 return sid_compare(&ace1->trustee, &ace2->trustee);
3638
3639 if (ace1->flags != ace2->flags)
3640 return ace1->flags - ace2->flags;
3641
3642 if (ace1->info.mask != ace2->info.mask)
3643 return ace1->info.mask - ace2->info.mask;
3644
3645 if (ace1->size != ace2->size)
3646 return ace1->size - ace2->size;
3647
3648 return memcmp(ace1, ace2, sizeof(SEC_ACE));
3649 }
3650
3651
3652 static void
3653 sort_acl(SEC_ACL *the_acl)
3654 {
3655 uint32 i;
3656 if (!the_acl) return;
3657
3658 qsort(the_acl->ace, the_acl->num_aces, sizeof(the_acl->ace[0]),
3659 QSORT_CAST ace_compare);
3660
3661 for (i=1;i<the_acl->num_aces;) {
3662 if (sec_ace_equal(&the_acl->ace[i-1], &the_acl->ace[i])) {
3663 int j;
3664 for (j=i; j<the_acl->num_aces-1; j++) {
3665 the_acl->ace[j] = the_acl->ace[j+1];
3666 }
3667 the_acl->num_aces--;
3668 } else {
3669 i++;
3670 }
3671 }
3672 }
3673
3674 /* convert a SID to a string, either numeric or username/group */
3675 static void
3676 convert_sid_to_string(struct cli_state *ipc_cli,
3677 POLICY_HND *pol,
3678 fstring str,
3679 BOOL numeric,
3680 DOM_SID *sid)
3681 {
3682 char **domains = NULL;
3683 char **names = NULL;
3684 uint32 *types = NULL;
3685 struct rpc_pipe_client *pipe_hnd = find_lsa_pipe_hnd(ipc_cli);
3686 sid_to_string(str, sid);
3687
3688 if (numeric) {
3689 return; /* no lookup desired */
3690 }
3691
3692 if (!pipe_hnd) {
3693 return;
3694 }
3695
3696 /* Ask LSA to convert the sid to a name */
3697
3698 if (!NT_STATUS_IS_OK(rpccli_lsa_lookup_sids(pipe_hnd, ipc_cli->mem_ctx,
3699 pol, 1, sid, &domains,
3700 &names, &types)) ||
3701 !domains || !domains[0] || !names || !names[0]) {
3702 return;
3703 }
3704
3705 /* Converted OK */
3706
3707 slprintf(str, sizeof(fstring) - 1, "%s%s%s",
3708 domains[0], lp_winbind_separator(),
3709 names[0]);
3710 }
3711
3712 /* convert a string to a SID, either numeric or username/group */
3713 static BOOL
3714 convert_string_to_sid(struct cli_state *ipc_cli,
3715 POLICY_HND *pol,
3716 BOOL numeric,
3717 DOM_SID *sid,
3718 const char *str)
3719 {
3720 uint32 *types = NULL;
3721 DOM_SID *sids = NULL;
3722 BOOL result = True;
3723 struct rpc_pipe_client *pipe_hnd = find_lsa_pipe_hnd(ipc_cli);
3724
3725 if (!pipe_hnd) {
3726 return False;
3727 }
3728
3729 if (numeric) {
3730 if (strncmp(str, "S-", 2) == 0) {
3731 return string_to_sid(sid, str);
3732 }
3733
3734 result = False;
3735 goto done;
3736 }
3737
3738 if (!NT_STATUS_IS_OK(rpccli_lsa_lookup_names(pipe_hnd, ipc_cli->mem_ctx,
3739 pol, 1, &str, NULL, &sids,
3740 &types))) {
3741 result = False;
3742 goto done;
3743 }
3744
3745 sid_copy(sid, &sids[0]);
3746 done:
3747
3748 return result;
3749 }
3750
3751
3752 /* parse an ACE in the same format as print_ace() */
3753 static BOOL
3754 parse_ace(struct cli_state *ipc_cli,
3755 POLICY_HND *pol,
3756 SEC_ACE *ace,
3757 BOOL numeric,
3758 char *str)
3759 {
3760 char *p;
3761 const char *cp;
3762 fstring tok;
3763 unsigned int atype;
3764 unsigned int aflags;
3765 unsigned int amask;
3766 DOM_SID sid;
3767 SEC_ACCESS mask;
3768 const struct perm_value *v;
3769 struct perm_value {
3770 const char *perm;
3771 uint32 mask;
3772 };
3773
3774 /* These values discovered by inspection */
3775 static const struct perm_value special_values[] = {
3776 { "R", 0x00120089 },
3777 { "W", 0x00120116 },
3778 { "X", 0x001200a0 },
3779 { "D", 0x00010000 },
3780 { "P", 0x00040000 },
3781 { "O", 0x00080000 },
3782 { NULL, 0 },
3783 };
3784
3785 static const struct perm_value standard_values[] = {
3786 { "READ", 0x001200a9 },
3787 { "CHANGE", 0x001301bf },
3788 { "FULL", 0x001f01ff },
3789 { NULL, 0 },
3790 };
3791
3792
3793 ZERO_STRUCTP(ace);
3794 p = strchr_m(str,':');
3795 if (!p) return False;
3796 *p = '\0';
3797 p++;
3798 /* Try to parse numeric form */
3799
3800 if (sscanf(p, "%i/%i/%i", &atype, &aflags, &amask) == 3 &&
3801 convert_string_to_sid(ipc_cli, pol, numeric, &sid, str)) {
3802 goto done;
3803 }
3804
3805 /* Try to parse text form */
3806
3807 if (!convert_string_to_sid(ipc_cli, pol, numeric, &sid, str)) {
3808 return False;
3809 }
3810
3811 cp = p;
3812 if (!next_token(&cp, tok, "/", sizeof(fstring))) {
3813 return False;
3814 }
3815
3816 if (StrnCaseCmp(tok, "ALLOWED", strlen("ALLOWED")) == 0) {
3817 atype = SEC_ACE_TYPE_ACCESS_ALLOWED;
3818 } else if (StrnCaseCmp(tok, "DENIED", strlen("DENIED")) == 0) {
3819 atype = SEC_ACE_TYPE_ACCESS_DENIED;
3820 } else {
3821 return False;
3822 }
3823
3824 /* Only numeric form accepted for flags at present */
3825
3826 if (!(next_token(&cp, tok, "/", sizeof(fstring)) &&
3827 sscanf(tok, "%i", &aflags))) {
3828 return False;
3829 }
3830
3831 if (!next_token(&cp, tok, "/", sizeof(fstring))) {
3832 return False;
3833 }
3834
3835 if (strncmp(tok, "0x", 2) == 0) {
3836 if (sscanf(tok, "%i", &amask) != 1) {
3837 return False;
3838 }
3839 goto done;
3840 }
3841
3842 for (v = standard_values; v->perm; v++) {
3843 if (strcmp(tok, v->perm) == 0) {
3844 amask = v->mask;
3845 goto done;
3846 }
3847 }
3848
3849 p = tok;
3850
3851 while(*p) {
3852 BOOL found = False;
3853
3854 for (v = special_values; v->perm; v++) {
3855 if (v->perm[0] == *p) {
3856 amask |= v->mask;
3857 found = True;
3858 }
3859 }
3860
3861 if (!found) return False;
3862 p++;
3863 }
3864
3865 if (*p) {
3866 return False;
3867 }
3868
3869 done:
3870 mask.mask = amask;
3871 init_sec_ace(ace, &sid, atype, mask, aflags);
3872 return True;
3873 }
3874
3875 /* add an ACE to a list of ACEs in a SEC_ACL */
3876 static BOOL
3877 add_ace(SEC_ACL **the_acl,
3878 SEC_ACE *ace,
3879 TALLOC_CTX *ctx)
3880 {
3881 SEC_ACL *newacl;
3882 SEC_ACE *aces;
3883
3884 if (! *the_acl) {
3885 (*the_acl) = make_sec_acl(ctx, 3, 1, ace);
3886 return True;
3887 }
3888
3889 aces = SMB_CALLOC_ARRAY(SEC_ACE, 1+(*the_acl)->num_aces);
3890 memcpy(aces, (*the_acl)->ace, (*the_acl)->num_aces * sizeof(SEC_ACE));
3891 memcpy(aces+(*the_acl)->num_aces, ace, sizeof(SEC_ACE));
3892 newacl = make_sec_acl(ctx, (*the_acl)->revision,
3893 1+(*the_acl)->num_aces, aces);
3894 SAFE_FREE(aces);
3895 (*the_acl) = newacl;
3896 return True;
3897 }
3898
3899
3900 /* parse a ascii version of a security descriptor */
3901 static SEC_DESC *
3902 sec_desc_parse(TALLOC_CTX *ctx,
3903 struct cli_state *ipc_cli,
3904 POLICY_HND *pol,
3905 BOOL numeric,
3906 char *str)
3907 {
3908 const char *p = str;
3909 fstring tok;
3910 SEC_DESC *ret;
3911 size_t sd_size;
3912 DOM_SID *grp_sid=NULL;
3913 DOM_SID *owner_sid=NULL;
3914 SEC_ACL *dacl=NULL;
3915 int revision=1;
3916
3917 while (next_token(&p, tok, "\t,\r\n", sizeof(tok))) {
3918
3919 if (StrnCaseCmp(tok,"REVISION:", 9) == 0) {
3920 revision = strtol(tok+9, NULL, 16);
3921 continue;
3922 }
3923
3924 if (StrnCaseCmp(tok,"OWNER:", 6) == 0) {
3925 owner_sid = SMB_CALLOC_ARRAY(DOM_SID, 1);
3926 if (!owner_sid ||
3927 !convert_string_to_sid(ipc_cli, pol,
3928 numeric,
3929 owner_sid, tok+6)) {
3930 DEBUG(5, ("Failed to parse owner sid\n"));
3931 return NULL;
3932 }
3933 continue;
3934 }
3935
3936 if (StrnCaseCmp(tok,"OWNER+:", 7) == 0) {
3937 owner_sid = SMB_CALLOC_ARRAY(DOM_SID, 1);
3938 if (!owner_sid ||
3939 !convert_string_to_sid(ipc_cli, pol,
3940 False,
3941 owner_sid, tok+7)) {
3942 DEBUG(5, ("Failed to parse owner sid\n"));
3943 return NULL;
3944 }
3945 continue;
3946 }
3947
3948 if (StrnCaseCmp(tok,"GROUP:", 6) == 0) {
3949 grp_sid = SMB_CALLOC_ARRAY(DOM_SID, 1);
3950 if (!grp_sid ||
3951 !convert_string_to_sid(ipc_cli, pol,
3952 numeric,
3953 grp_sid, tok+6)) {
3954 DEBUG(5, ("Failed to parse group sid\n"));
3955 return NULL;
3956 }
3957 continue;
3958 }
3959
3960 if (StrnCaseCmp(tok,"GROUP+:", 7) == 0) {
3961 grp_sid = SMB_CALLOC_ARRAY(DOM_SID, 1);
3962 if (!grp_sid ||
3963 !convert_string_to_sid(ipc_cli, pol,
3964 False,
3965 grp_sid, tok+6)) {
3966 DEBUG(5, ("Failed to parse group sid\n"));
3967 return NULL;
3968 }
3969 continue;
3970 }
3971
3972 if (StrnCaseCmp(tok,"ACL:", 4) == 0) {
3973 SEC_ACE ace;
3974 if (!parse_ace(ipc_cli, pol, &ace, numeric, tok+4)) {
3975 DEBUG(5, ("Failed to parse ACL %s\n", tok));
3976 return NULL;
3977 }
3978 if(!add_ace(&dacl, &ace, ctx)) {
3979 DEBUG(5, ("Failed to add ACL %s\n", tok));
3980 return NULL;
3981 }
3982 continue;
3983 }
3984
3985 if (StrnCaseCmp(tok,"ACL+:", 5) == 0) {
3986 SEC_ACE ace;
3987 if (!parse_ace(ipc_cli, pol, &ace, False, tok+5)) {
3988 DEBUG(5, ("Failed to parse ACL %s\n", tok));
3989 return NULL;
3990 }
3991 if(!add_ace(&dacl, &ace, ctx)) {
3992 DEBUG(5, ("Failed to add ACL %s\n", tok));
3993 return NULL;
3994 }
3995 continue;
3996 }
3997
3998 DEBUG(5, ("Failed to parse security descriptor\n"));
3999 return NULL;
4000 }
4001
4002 ret = make_sec_desc(ctx, revision, SEC_DESC_SELF_RELATIVE,
4003 owner_sid, grp_sid, NULL, dacl, &sd_size);
4004
4005 SAFE_FREE(grp_sid);
4006 SAFE_FREE(owner_sid);
4007
4008 return ret;
4009 }
4010
4011
4012 /* Obtain the current dos attributes */
4013 static DOS_ATTR_DESC *
4014 dos_attr_query(SMBCCTX *context,
4015 TALLOC_CTX *ctx,
4016 const char *filename,
4017 SMBCSRV *srv)
4018 {
4019 time_t m_time = 0, a_time = 0, c_time = 0;
4020 SMB_OFF_T size = 0;
4021 uint16 mode = 0;
4022 SMB_INO_T inode = 0;
4023 DOS_ATTR_DESC *ret;
4024
4025 ret = TALLOC_P(ctx, DOS_ATTR_DESC);
4026 if (!ret) {
4027 errno = ENOMEM;
4028 return NULL;
4029 }
4030
4031 /* Obtain the DOS attributes */
4032 if (!smbc_getatr(context, srv, CONST_DISCARD(char *, filename),
4033 &mode, &size,
4034 &c_time, &a_time, &m_time, &inode)) {
4035
4036 errno = smbc_errno(context, &srv->cli);
4037 DEBUG(5, ("dos_attr_query Failed to query old attributes\n"));
4038 return NULL;
4039
4040 }
4041
4042 ret->mode = mode;
4043 ret->size = size;
4044 ret->a_time = a_time;
4045 ret->c_time = c_time;
4046 ret->m_time = m_time;
4047 ret->inode = inode;
4048
4049 return ret;
4050 }
4051
4052
4053 /* parse a ascii version of a security descriptor */
4054 static void
4055 dos_attr_parse(SMBCCTX *context,
4056 DOS_ATTR_DESC *dad,
4057 SMBCSRV *srv,
4058 char *str)
4059 {
4060 const char *p = str;
4061 fstring tok;
4062
4063 while (next_token(&p, tok, "\t,\r\n", sizeof(tok))) {
4064
4065 if (StrnCaseCmp(tok, "MODE:", 5) == 0) {
4066 dad->mode = strtol(tok+5, NULL, 16);
4067 continue;
4068 }
4069
4070 if (StrnCaseCmp(tok, "SIZE:", 5) == 0) {
4071 dad->size = (SMB_OFF_T)atof(tok+5);
4072 continue;
4073 }
4074
4075 if (StrnCaseCmp(tok, "A_TIME:", 7) == 0) {
4076 dad->a_time = (time_t)strtol(tok+7, NULL, 10);
4077 continue;
4078 }
4079
4080 if (StrnCaseCmp(tok, "C_TIME:", 7) == 0) {
4081 dad->c_time = (time_t)strtol(tok+7, NULL, 10);
4082 continue;
4083 }
4084
4085 if (StrnCaseCmp(tok, "M_TIME:", 7) == 0) {
4086 dad->m_time = (time_t)strtol(tok+7, NULL, 10);
4087 continue;
4088 }
4089
4090 if (StrnCaseCmp(tok, "INODE:", 6) == 0) {
4091 dad->inode = (SMB_INO_T)atof(tok+6);
4092 continue;
4093 }
4094 }
4095 }
4096
4097 /*****************************************************
4098 Retrieve the acls for a file.
4099 *******************************************************/
4100
4101 static int
4102 cacl_get(SMBCCTX *context,
4103 TALLOC_CTX *ctx,
4104 SMBCSRV *srv,
4105 struct cli_state *ipc_cli,
4106 POLICY_HND *pol,
4107 char *filename,
4108 char *attr_name,
4109 char *buf,
4110 int bufsize)
4111 {
4112 uint32 i;
4113 int n = 0;
4114 int n_used;
4115 BOOL all;
4116 BOOL all_nt;
4117 BOOL all_nt_acls;
4118 BOOL all_dos;
4119 BOOL some_nt;
4120 BOOL some_dos;
4121 BOOL exclude_nt_revision = False;
4122 BOOL exclude_nt_owner = False;
4123 BOOL exclude_nt_group = False;
4124 BOOL exclude_nt_acl = False;
4125 BOOL exclude_dos_mode = False;
4126 BOOL exclude_dos_size = False;
4127 BOOL exclude_dos_ctime = False;
4128 BOOL exclude_dos_atime = False;
4129 BOOL exclude_dos_mtime = False;
4130 BOOL exclude_dos_inode = False;
4131 BOOL numeric = True;
4132 BOOL determine_size = (bufsize == 0);
4133 int fnum = -1;
4134 SEC_DESC *sd;
4135 fstring sidstr;
4136 fstring name_sandbox;
4137 char *name;
4138 char *pExclude;
4139 char *p;
4140 time_t m_time = 0, a_time = 0, c_time = 0;
4141 SMB_OFF_T size = 0;
4142 uint16 mode = 0;
4143 SMB_INO_T ino = 0;
4144 struct cli_state *cli = &srv->cli;
4145
4146 /* Copy name so we can strip off exclusions (if any are specified) */
4147 strncpy(name_sandbox, attr_name, sizeof(name_sandbox) - 1);
4148
4149 /* Ensure name is null terminated */
4150 name_sandbox[sizeof(name_sandbox) - 1] = '\0';
4151
4152 /* Play in the sandbox */
4153 name = name_sandbox;
4154
4155 /* If there are any exclusions, point to them and mask them from name */
4156 if ((pExclude = strchr(name, '!')) != NULL)
4157 {
4158 *pExclude++ = '\0';
4159 }
4160
4161 all = (StrnCaseCmp(name, "system.*", 8) == 0);
4162 all_nt = (StrnCaseCmp(name, "system.nt_sec_desc.*", 20) == 0);
4163 all_nt_acls = (StrnCaseCmp(name, "system.nt_sec_desc.acl.*", 24) == 0);
4164 all_dos = (StrnCaseCmp(name, "system.dos_attr.*", 17) == 0);
4165 some_nt = (StrnCaseCmp(name, "system.nt_sec_desc.", 19) == 0);
4166 some_dos = (StrnCaseCmp(name, "system.dos_attr.", 16) == 0);
4167 numeric = (* (name + strlen(name) - 1) != '+');
4168
4169 /* Look for exclusions from "all" requests */
4170 if (all || all_nt || all_dos) {
4171
4172 /* Exclusions are delimited by '!' */
4173 for (;
4174 pExclude != NULL;
4175 pExclude = (p == NULL ? NULL : p + 1)) {
4176
4177 /* Find end of this exclusion name */
4178 if ((p = strchr(pExclude, '!')) != NULL)
4179 {
4180 *p = '\0';
4181 }
4182
4183 /* Which exclusion name is this? */
4184 if (StrCaseCmp(pExclude, "nt_sec_desc.revision") == 0) {
4185 exclude_nt_revision = True;
4186 }
4187 else if (StrCaseCmp(pExclude, "nt_sec_desc.owner") == 0) {
4188 exclude_nt_owner = True;
4189 }
4190 else if (StrCaseCmp(pExclude, "nt_sec_desc.group") == 0) {
4191 exclude_nt_group = True;
4192 }
4193 else if (StrCaseCmp(pExclude, "nt_sec_desc.acl") == 0) {
4194 exclude_nt_acl = True;
4195 }
4196 else if (StrCaseCmp(pExclude, "dos_attr.mode") == 0) {
4197 exclude_dos_mode = True;
4198 }
4199 else if (StrCaseCmp(pExclude, "dos_attr.size") == 0) {
4200 exclude_dos_size = True;
4201 }
4202 else if (StrCaseCmp(pExclude, "dos_attr.c_time") == 0) {
4203 exclude_dos_ctime = True;
4204 }
4205 else if (StrCaseCmp(pExclude, "dos_attr.a_time") == 0) {
4206 exclude_dos_atime = True;
4207 }
4208 else if (StrCaseCmp(pExclude, "dos_attr.m_time") == 0) {
4209 exclude_dos_mtime = True;
4210 }
4211 else if (StrCaseCmp(pExclude, "dos_attr.inode") == 0) {
4212 exclude_dos_inode = True;
4213 }
4214 else {
4215 DEBUG(5, ("cacl_get received unknown exclusion: %s\n",
4216 pExclude));
4217 errno = ENOATTR;
4218 return -1;
4219 }
4220 }
4221 }
4222
4223 n_used = 0;
4224
4225 /*
4226 * If we are (possibly) talking to an NT or new system and some NT
4227 * attributes have been requested...
4228 */
4229 if (ipc_cli && (all || some_nt || all_nt_acls)) {
4230 /* Point to the portion after "system.nt_sec_desc." */
4231 name += 19; /* if (all) this will be invalid but unused */
4232
4233 /* ... then obtain any NT attributes which were requested */
4234 fnum = cli_nt_create(cli, filename, CREATE_ACCESS_READ);
4235
4236 if (fnum == -1) {
4237 DEBUG(5, ("cacl_get failed to open %s: %s\n",
4238 filename, cli_errstr(cli)));
4239 errno = 0;
4240 return -1;
4241 }
4242
4243 sd = cli_query_secdesc(cli, fnum, ctx);
4244
4245 if (!sd) {
4246 DEBUG(5,
4247 ("cacl_get Failed to query old descriptor\n"));
4248 errno = 0;
4249 return -1;
4250 }
4251
4252 cli_close(cli, fnum);
4253
4254 if (! exclude_nt_revision) {
4255 if (all || all_nt) {
4256 if (determine_size) {
4257 p = talloc_asprintf(ctx,
4258 "REVISION:%d",
4259 sd->revision);
4260 if (!p) {
4261 errno = ENOMEM;
4262 return -1;
4263 }
4264 n = strlen(p);
4265 } else {
4266 n = snprintf(buf, bufsize,
4267 "REVISION:%d",
4268 sd->revision);
4269 }
4270 } else if (StrCaseCmp(name, "revision") == 0) {
4271 if (determine_size) {
4272 p = talloc_asprintf(ctx, "%d",
4273 sd->revision);
4274 if (!p) {
4275 errno = ENOMEM;
4276 return -1;
4277 }
4278 n = strlen(p);
4279 } else {
4280 n = snprintf(buf, bufsize, "%d",
4281 sd->revision);
4282 }
4283 }
4284
4285 if (!determine_size && n > bufsize) {
4286 errno = ERANGE;
4287 return -1;
4288 }
4289 buf += n;
4290 n_used += n;
4291 bufsize -= n;
4292 }
4293
4294 if (! exclude_nt_owner) {
4295 /* Get owner and group sid */
4296 if (sd->owner_sid) {
4297 convert_sid_to_string(ipc_cli, pol,
4298 sidstr,
4299 numeric,
4300 sd->owner_sid);
4301 } else {
4302 fstrcpy(sidstr, "");
4303 }
4304
4305 if (all || all_nt) {
4306 if (determine_size) {
4307 p = talloc_asprintf(ctx, ",OWNER:%s",
4308 sidstr);
4309 if (!p) {
4310 errno = ENOMEM;
4311 return -1;
4312 }
4313 n = strlen(p);
4314 } else {
4315 n = snprintf(buf, bufsize,
4316 ",OWNER:%s", sidstr);
4317 }
4318 } else if (StrnCaseCmp(name, "owner", 5) == 0) {
4319 if (determine_size) {
4320 p = talloc_asprintf(ctx, "%s", sidstr);
4321 if (!p) {
4322 errno = ENOMEM;
4323 return -1;
4324 }
4325 n = strlen(p);
4326 } else {
4327 n = snprintf(buf, bufsize, "%s",
4328 sidstr);
4329 }
4330 }
4331
4332 if (!determine_size && n > bufsize) {
4333 errno = ERANGE;
4334 return -1;
4335 }
4336 buf += n;
4337 n_used += n;
4338 bufsize -= n;
4339 }
4340
4341 if (! exclude_nt_group) {
4342 if (sd->grp_sid) {
4343 convert_sid_to_string(ipc_cli, pol,
4344 sidstr, numeric,
4345 sd->grp_sid);
4346 } else {
4347 fstrcpy(sidstr, "");
4348 }
4349
4350 if (all || all_nt) {
4351 if (determine_size) {
4352 p = talloc_asprintf(ctx, ",GROUP:%s",
4353 sidstr);
4354 if (!p) {
4355 errno = ENOMEM;
4356 return -1;
4357 }
4358 n = strlen(p);
4359 } else {
4360 n = snprintf(buf, bufsize,
4361 ",GROUP:%s", sidstr);
4362 }
4363 } else if (StrnCaseCmp(name, "group", 5) == 0) {
4364 if (determine_size) {
4365 p = talloc_asprintf(ctx, "%s", sidstr);
4366 if (!p) {
4367 errno = ENOMEM;
4368 return -1;
4369 }
4370 n = strlen(p);
4371 } else {
4372 n = snprintf(buf, bufsize,
4373 "%s", sidstr);
4374 }
4375 }
4376
4377 if (!determine_size && n > bufsize) {
4378 errno = ERANGE;
4379 return -1;
4380 }
4381 buf += n;
4382 n_used += n;
4383 bufsize -= n;
4384 }
4385
4386 if (! exclude_nt_acl) {
4387 /* Add aces to value buffer */
4388 for (i = 0; sd->dacl && i < sd->dacl->num_aces; i++) {
4389
4390 SEC_ACE *ace = &sd->dacl->ace[i];
4391 convert_sid_to_string(ipc_cli, pol,
4392 sidstr, numeric,
4393 &ace->trustee);
4394
4395 if (all || all_nt) {
4396 if (determine_size) {
4397 p = talloc_asprintf(
4398 ctx,
4399 ",ACL:"
4400 "%s:%d/%d/0x%08x",
4401 sidstr,
4402 ace->type,
4403 ace->flags,
4404 ace->info.mask);
4405 if (!p) {
4406 errno = ENOMEM;
4407 return -1;
4408 }
4409 n = strlen(p);
4410 } else {
4411 n = snprintf(
4412 buf, bufsize,
4413 ",ACL:%s:%d/%d/0x%08x",
4414 sidstr,
4415 ace->type,
4416 ace->flags,
4417 ace->info.mask);
4418 }
4419 } else if ((StrnCaseCmp(name, "acl", 3) == 0 &&
4420 StrCaseCmp(name+3, sidstr) == 0) ||
4421 (StrnCaseCmp(name, "acl+", 4) == 0 &&
4422 StrCaseCmp(name+4, sidstr) == 0)) {
4423 if (determine_size) {
4424 p = talloc_asprintf(
4425 ctx,
4426 "%d/%d/0x%08x",
4427 ace->type,
4428 ace->flags,
4429 ace->info.mask);
4430 if (!p) {
4431 errno = ENOMEM;
4432 return -1;
4433 }
4434 n = strlen(p);
4435 } else {
4436 n = snprintf(buf, bufsize,
4437 "%d/%d/0x%08x",
4438 ace->type,
4439 ace->flags,
4440 ace->info.mask);
4441 }
4442 } else if (all_nt_acls) {
4443 if (determine_size) {
4444 p = talloc_asprintf(
4445 ctx,
4446 "%s%s:%d/%d/0x%08x",
4447 i ? "," : "",
4448 sidstr,
4449 ace->type,
4450 ace->flags,
4451 ace->info.mask);
4452 if (!p) {
4453 errno = ENOMEM;
4454 return -1;
4455 }
4456 n = strlen(p);
4457 } else {
4458 n = snprintf(buf, bufsize,
4459 "%s%s:%d/%d/0x%08x",
4460 i ? "," : "",
4461 sidstr,
4462 ace->type,
4463 ace->flags,
4464 ace->info.mask);
4465 }
4466 }
4467 if (n > bufsize) {
4468 errno = ERANGE;
4469 return -1;
4470 }
4471 buf += n;
4472 n_used += n;
4473 bufsize -= n;
4474 }
4475 }
4476
4477 /* Restore name pointer to its original value */
4478 name -= 19;
4479 }
4480
4481 if (all || some_dos) {
4482 /* Point to the portion after "system.dos_attr." */
4483 name += 16; /* if (all) this will be invalid but unused */
4484
4485 /* Obtain the DOS attributes */
4486 if (!smbc_getatr(context, srv, filename, &mode, &size,
4487 &c_time, &a_time, &m_time, &ino)) {
4488
4489 errno = smbc_errno(context, &srv->cli);
4490 return -1;
4491
4492 }
4493
4494 if (! exclude_dos_mode) {
4495 if (all || all_dos) {
4496 if (determine_size) {
4497 p = talloc_asprintf(ctx,
4498 "%sMODE:0x%x",
4499 (ipc_cli &&
4500 (all || some_nt)
4501 ? ","
4502 : ""),
4503 mode);
4504 if (!p) {
4505 errno = ENOMEM;
4506 return -1;
4507 }
4508 n = strlen(p);
4509 } else {
4510 n = snprintf(buf, bufsize,
4511 "%sMODE:0x%x",
4512 (ipc_cli &&
4513 (all || some_nt)
4514 ? ","
4515 : ""),
4516 mode);
4517 }
4518 } else if (StrCaseCmp(name, "mode") == 0) {
4519 if (determine_size) {
4520 p = talloc_asprintf(ctx, "0x%x", mode);
4521 if (!p) {
4522 errno = ENOMEM;
4523 return -1;
4524 }
4525 n = strlen(p);
4526 } else {
4527 n = snprintf(buf, bufsize,
4528 "0x%x", mode);
4529 }
4530 }
4531
4532 if (!determine_size && n > bufsize) {
4533 errno = ERANGE;
4534 return -1;
4535 }
4536 buf += n;
4537 n_used += n;
4538 bufsize -= n;
4539 }
4540
4541 if (! exclude_dos_size) {
4542 if (all || all_dos) {
4543 if (determine_size) {
4544 p = talloc_asprintf(
4545 ctx,
4546 ",SIZE:%.0f",
4547 (double)size);
4548 if (!p) {
4549 errno = ENOMEM;
4550 return -1;
4551 }
4552 n = strlen(p);
4553 } else {
4554 n = snprintf(buf, bufsize,
4555 ",SIZE:%.0f",
4556 (double)size);
4557 }
4558 } else if (StrCaseCmp(name, "size") == 0) {
4559 if (determine_size) {
4560 p = talloc_asprintf(
4561 ctx,
4562 "%.0f",
4563 (double)size);
4564 if (!p) {
4565 errno = ENOMEM;
4566 return -1;
4567 }
4568 n = strlen(p);
4569 } else {
4570 n = snprintf(buf, bufsize,
4571 "%.0f",
4572 (double)size);
4573 }
4574 }
4575
4576 if (!determine_size && n > bufsize) {
4577 errno = ERANGE;
4578 return -1;
4579 }
4580 buf += n;
4581 n_used += n;
4582 bufsize -= n;
4583 }
4584
4585 if (! exclude_dos_ctime) {
4586 if (all || all_dos) {
4587 if (determine_size) {
4588 p = talloc_asprintf(ctx,
4589 ",C_TIME:%lu",
4590 c_time);
4591 if (!p) {
4592 errno = ENOMEM;
4593 return -1;
4594 }
4595 n = strlen(p);
4596 } else {
4597 n = snprintf(buf, bufsize,
4598 ",C_TIME:%lu", c_time);
4599 }
4600 } else if (StrCaseCmp(name, "c_time") == 0) {
4601 if (determine_size) {
4602 p = talloc_asprintf(ctx, "%lu", c_time);
4603 if (!p) {
4604 errno = ENOMEM;
4605 return -1;
4606 }
4607 n = strlen(p);
4608 } else {
4609 n = snprintf(buf, bufsize,
4610 "%lu", c_time);
4611 }
4612 }
4613
4614 if (!determine_size && n > bufsize) {
4615 errno = ERANGE;
4616 return -1;
4617 }
4618 buf += n;
4619 n_used += n;
4620 bufsize -= n;
4621 }
4622
4623 if (! exclude_dos_atime) {
4624 if (all || all_dos) {
4625 if (determine_size) {
4626 p = talloc_asprintf(ctx,
4627 ",A_TIME:%lu",
4628 a_time);
4629 if (!p) {
4630 errno = ENOMEM;
4631 return -1;
4632 }
4633 n = strlen(p);
4634 } else {
4635 n = snprintf(buf, bufsize,
4636 ",A_TIME:%lu", a_time);
4637 }
4638 } else if (StrCaseCmp(name, "a_time") == 0) {
4639 if (determine_size) {
4640 p = talloc_asprintf(ctx, "%lu", a_time);
4641 if (!p) {
4642 errno = ENOMEM;
4643 return -1;
4644 }
4645 n = strlen(p);
4646 } else {
4647 n = snprintf(buf, bufsize,
4648 "%lu", a_time);
4649 }
4650 }
4651
4652 if (!determine_size && n > bufsize) {
4653 errno = ERANGE;
4654 return -1;
4655 }
4656 buf += n;
4657 n_used += n;
4658 bufsize -= n;
4659 }
4660
4661 if (! exclude_dos_mtime) {
4662 if (all || all_dos) {
4663 if (determine_size) {
4664 p = talloc_asprintf(ctx,
4665 ",M_TIME:%lu",
4666 m_time);
4667 if (!p) {
4668 errno = ENOMEM;
4669 return -1;
4670 }
4671 n = strlen(p);
4672 } else {
4673 n = snprintf(buf, bufsize,
4674 ",M_TIME:%lu", m_time);
4675 }
4676 } else if (StrCaseCmp(name, "m_time") == 0) {
4677 if (determine_size) {
4678 p = talloc_asprintf(ctx, "%lu", m_time);
4679 if (!p) {
4680 errno = ENOMEM;
4681 return -1;
4682 }
4683 n = strlen(p);
4684 } else {
4685 n = snprintf(buf, bufsize,
4686 "%lu", m_time);
4687 }
4688 }
4689
4690 if (!determine_size && n > bufsize) {
4691 errno = ERANGE;
4692 return -1;
4693 }
4694 buf += n;
4695 n_used += n;
4696 bufsize -= n;
4697 }
4698
4699 if (! exclude_dos_inode) {
4700 if (all || all_dos) {
4701 if (determine_size) {
4702 p = talloc_asprintf(
4703 ctx,
4704 ",INODE:%.0f",
4705 (double)ino);
4706 if (!p) {
4707 errno = ENOMEM;
4708 return -1;
4709 }
4710 n = strlen(p);
4711 } else {
4712 n = snprintf(buf, bufsize,
4713 ",INODE:%.0f",
4714 (double) ino);
4715 }
4716 } else if (StrCaseCmp(name, "inode") == 0) {
4717 if (determine_size) {
4718 p = talloc_asprintf(
4719 ctx,
4720 "%.0f",
4721 (double) ino);
4722 if (!p) {
4723 errno = ENOMEM;
4724 return -1;
4725 }
4726 n = strlen(p);
4727 } else {
4728 n = snprintf(buf, bufsize,
4729 "%.0f",
4730 (double) ino);
4731 }
4732 }
4733
4734 if (!determine_size && n > bufsize) {
4735 errno = ERANGE;
4736 return -1;
4737 }
4738 buf += n;
4739 n_used += n;
4740 bufsize -= n;
4741 }
4742
4743 /* Restore name pointer to its original value */
4744 name -= 16;
4745 }
4746
4747 if (n_used == 0) {
4748 errno = ENOATTR;
4749 return -1;
4750 }
4751
4752 return n_used;
4753 }
4754
4755
4756 /*****************************************************
4757 set the ACLs on a file given an ascii description
4758 *******************************************************/
4759 static int
4760 cacl_set(TALLOC_CTX *ctx,
4761 struct cli_state *cli,
4762 struct cli_state *ipc_cli,
4763 POLICY_HND *pol,
4764 const char *filename,
4765 const char *the_acl,
4766 int mode,
4767 int flags)
4768 {
4769 int fnum;
4770 int err = 0;
4771 SEC_DESC *sd = NULL, *old;
4772 SEC_ACL *dacl = NULL;
4773 DOM_SID *owner_sid = NULL;
4774 DOM_SID *grp_sid = NULL;
4775 uint32 i, j;
4776 size_t sd_size;
4777 int ret = 0;
4778 char *p;
4779 BOOL numeric = True;
4780
4781 /* the_acl will be null for REMOVE_ALL operations */
4782 if (the_acl) {
4783 numeric = ((p = strchr(the_acl, ':')) != NULL &&
4784 p > the_acl &&
4785 p[-1] != '+');
4786
4787 /* if this is to set the entire ACL... */
4788 if (*the_acl == '*') {
4789 /* ... then increment past the first colon */
4790 the_acl = p + 1;
4791 }
4792
4793 sd = sec_desc_parse(ctx, ipc_cli, pol, numeric,
4794 CONST_DISCARD(char *, the_acl));
4795
4796 if (!sd) {
4797 errno = EINVAL;
4798 return -1;
4799 }
4800 }
4801
4802 /* The desired access below is the only one I could find that works
4803 with NT4, W2KP and Samba */
4804
4805 fnum = cli_nt_create(cli, filename, CREATE_ACCESS_READ);
4806
4807 if (fnum == -1) {
4808 DEBUG(5, ("cacl_set failed to open %s: %s\n",
4809 filename, cli_errstr(cli)));
4810 errno = 0;
4811 return -1;
4812 }
4813
4814 old = cli_query_secdesc(cli, fnum, ctx);
4815
4816 if (!old) {
4817 DEBUG(5, ("cacl_set Failed to query old descriptor\n"));
4818 errno = 0;
4819 return -1;
4820 }
4821
4822 cli_close(cli, fnum);
4823
4824 switch (mode) {
4825 case SMBC_XATTR_MODE_REMOVE_ALL:
4826 old->dacl->num_aces = 0;
4827 SAFE_FREE(old->dacl->ace);
4828 SAFE_FREE(old->dacl);
4829 old->off_dacl = 0;
4830 dacl = old->dacl;
4831 break;
4832
4833 case SMBC_XATTR_MODE_REMOVE:
4834 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
4835 BOOL found = False;
4836
4837 for (j=0;old->dacl && j<old->dacl->num_aces;j++) {
4838 if (sec_ace_equal(&sd->dacl->ace[i],
4839 &old->dacl->ace[j])) {
4840 uint32 k;
4841 for (k=j; k<old->dacl->num_aces-1;k++) {
4842 old->dacl->ace[k] =
4843 old->dacl->ace[k+1];
4844 }
4845 old->dacl->num_aces--;
4846 if (old->dacl->num_aces == 0) {
4847 SAFE_FREE(old->dacl->ace);
4848 SAFE_FREE(old->dacl);
4849 old->off_dacl = 0;
4850 }
4851 found = True;
4852 dacl = old->dacl;
4853 break;
4854 }
4855 }
4856
4857 if (!found) {
4858 err = ENOATTR;
4859 ret = -1;
4860 goto failed;
4861 }
4862 }
4863 break;
4864
4865 case SMBC_XATTR_MODE_ADD:
4866 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
4867 BOOL found = False;
4868
4869 for (j=0;old->dacl && j<old->dacl->num_aces;j++) {
4870 if (sid_equal(&sd->dacl->ace[i].trustee,
4871 &old->dacl->ace[j].trustee)) {
4872 if (!(flags & SMBC_XATTR_FLAG_CREATE)) {
4873 err = EEXIST;
4874 ret = -1;
4875 goto failed;
4876 }
4877 old->dacl->ace[j] = sd->dacl->ace[i];
4878 ret = -1;
4879 found = True;
4880 }
4881 }
4882
4883 if (!found && (flags & SMBC_XATTR_FLAG_REPLACE)) {
4884 err = ENOATTR;
4885 ret = -1;
4886 goto failed;
4887 }
4888
4889 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
4890 add_ace(&old->dacl, &sd->dacl->ace[i], ctx);
4891 }
4892 }
4893 dacl = old->dacl;
4894 break;
4895
4896 case SMBC_XATTR_MODE_SET:
4897 old = sd;
4898 owner_sid = old->owner_sid;
4899 grp_sid = old->grp_sid;
4900 dacl = old->dacl;
4901 break;
4902
4903 case SMBC_XATTR_MODE_CHOWN:
4904 owner_sid = sd->owner_sid;
4905 break;
4906
4907 case SMBC_XATTR_MODE_CHGRP:
4908 grp_sid = sd->grp_sid;
4909 break;
4910 }
4911
4912 /* Denied ACE entries must come before allowed ones */
4913 sort_acl(old->dacl);
4914
4915 /* Create new security descriptor and set it */
4916 sd = make_sec_desc(ctx, old->revision, SEC_DESC_SELF_RELATIVE,
4917 owner_sid, grp_sid, NULL, dacl, &sd_size);
4918
4919 fnum = cli_nt_create(cli, filename,
4920 WRITE_DAC_ACCESS | WRITE_OWNER_ACCESS);
4921
4922 if (fnum == -1) {
4923 DEBUG(5, ("cacl_set failed to open %s: %s\n",
4924 filename, cli_errstr(cli)));
4925 errno = 0;
4926 return -1;
4927 }
4928
4929 if (!cli_set_secdesc(cli, fnum, sd)) {
4930 DEBUG(5, ("ERROR: secdesc set failed: %s\n", cli_errstr(cli)));
4931 ret = -1;
4932 }
4933
4934 /* Clean up */
4935
4936 failed:
4937 cli_close(cli, fnum);
4938
4939 if (err != 0) {
4940 errno = err;
4941 }
4942
4943 return ret;
4944 }
4945
4946
4947 static int
4948 smbc_setxattr_ctx(SMBCCTX *context,
4949 const char *fname,
4950 const char *name,
4951 const void *value,
4952 size_t size,
4953 int flags)
4954 {
4955 int ret;
4956 int ret2;
4957 SMBCSRV *srv;
4958 SMBCSRV *ipc_srv;
4959 fstring server;
4960 fstring share;
4961 fstring user;
4962 fstring password;
4963 fstring workgroup;
4964 pstring path;
4965 TALLOC_CTX *ctx;
4966 POLICY_HND pol;
4967 DOS_ATTR_DESC *dad;
4968
4969 if (!context || !context->internal ||
4970 !context->internal->_initialized) {
4971
4972 errno = EINVAL; /* Best I can think of ... */
4973 return -1;
4974
4975 }
4976
4977 if (!fname) {
4978
4979 errno = EINVAL;
4980 return -1;
4981
4982 }
4983
4984 DEBUG(4, ("smbc_setxattr(%s, %s, %.*s)\n",
4985 fname, name, (int) size, (const char*)value));
4986
4987 if (smbc_parse_path(context, fname,
4988 workgroup, sizeof(workgroup),
4989 server, sizeof(server),
4990 share, sizeof(share),
4991 path, sizeof(path),
4992 user, sizeof(user),
4993 password, sizeof(password),
4994 NULL, 0)) {
4995 errno = EINVAL;
4996 return -1;
4997 }
4998
4999 if (user[0] == (char)0) fstrcpy(user, context->user);
5000
5001 srv = smbc_server(context, True,
5002 server, share, workgroup, user, password);
5003 if (!srv) {
5004 return -1; /* errno set by smbc_server */
5005 }
5006
5007 if (! srv->no_nt_session) {
5008 ipc_srv = smbc_attr_server(context, server, share,
5009 workgroup, user, password,
5010 &pol);
5011 srv->no_nt_session = True;
5012 } else {
5013 ipc_srv = NULL;
5014 }
5015
5016 ctx = talloc_init("smbc_setxattr");
5017 if (!ctx) {
5018 errno = ENOMEM;
5019 return -1;
5020 }
5021
5022 /*
5023 * Are they asking to set the entire set of known attributes?
5024 */
5025 if (StrCaseCmp(name, "system.*") == 0 ||
5026 StrCaseCmp(name, "system.*+") == 0) {
5027 /* Yup. */
5028 char *namevalue =
5029 talloc_asprintf(ctx, "%s:%s",
5030 name+7, (const char *) value);
5031 if (! namevalue) {
5032 errno = ENOMEM;
5033 ret = -1;
5034 return -1;
5035 }
5036
5037 if (ipc_srv) {
5038 ret = cacl_set(ctx, &srv->cli,
5039 &ipc_srv->cli, &pol, path,
5040 namevalue,
5041 (*namevalue == '*'
5042 ? SMBC_XATTR_MODE_SET
5043 : SMBC_XATTR_MODE_ADD),
5044 flags);
5045 } else {
5046 ret = 0;
5047 }
5048
5049 /* get a DOS Attribute Descriptor with current attributes */
5050 dad = dos_attr_query(context, ctx, path, srv);
5051 if (dad) {
5052 /* Overwrite old with new, using what was provided */
5053 dos_attr_parse(context, dad, srv, namevalue);
5054
5055 /* Set the new DOS attributes */
5056 if (! smbc_setatr(context, srv, path,
5057 dad->c_time,
5058 dad->a_time,
5059 dad->m_time,
5060 dad->mode)) {
5061
5062 /* cause failure if NT failed too */
5063 dad = NULL;
5064 }
5065 }
5066
5067 /* we only fail if both NT and DOS sets failed */
5068 if (ret < 0 && ! dad) {
5069 ret = -1; /* in case dad was null */
5070 }
5071 else {
5072 ret = 0;
5073 }
5074
5075 talloc_destroy(ctx);
5076 return ret;
5077 }
5078
5079 /*
5080 * Are they asking to set an access control element or to set
5081 * the entire access control list?
5082 */
5083 if (StrCaseCmp(name, "system.nt_sec_desc.*") == 0 ||
5084 StrCaseCmp(name, "system.nt_sec_desc.*+") == 0 ||
5085 StrCaseCmp(name, "system.nt_sec_desc.revision") == 0 ||
5086 StrnCaseCmp(name, "system.nt_sec_desc.acl", 22) == 0 ||
5087 StrnCaseCmp(name, "system.nt_sec_desc.acl+", 23) == 0) {
5088
5089 /* Yup. */
5090 char *namevalue =
5091 talloc_asprintf(ctx, "%s:%s",
5092 name+19, (const char *) value);
5093
5094 if (! ipc_srv) {
5095 ret = -1; /* errno set by smbc_server() */
5096 }
5097 else if (! namevalue) {
5098 errno = ENOMEM;
5099 ret = -1;
5100 } else {
5101 ret = cacl_set(ctx, &srv->cli,
5102 &ipc_srv->cli, &pol, path,
5103 namevalue,
5104 (*namevalue == '*'
5105 ? SMBC_XATTR_MODE_SET
5106 : SMBC_XATTR_MODE_ADD),
5107 flags);
5108 }
5109 talloc_destroy(ctx);
5110 return ret;
5111 }
5112
5113 /*
5114 * Are they asking to set the owner?
5115 */
5116 if (StrCaseCmp(name, "system.nt_sec_desc.owner") == 0 ||
5117 StrCaseCmp(name, "system.nt_sec_desc.owner+") == 0) {
5118
5119 /* Yup. */
5120 char *namevalue =
5121 talloc_asprintf(ctx, "%s:%s",
5122 name+19, (const char *) value);
5123
5124 if (! ipc_srv) {
5125
5126 ret = -1; /* errno set by smbc_server() */
5127 }
5128 else if (! namevalue) {
5129 errno = ENOMEM;
5130 ret = -1;
5131 } else {
5132 ret = cacl_set(ctx, &srv->cli,
5133 &ipc_srv->cli, &pol, path,
5134 namevalue, SMBC_XATTR_MODE_CHOWN, 0);
5135 }
5136 talloc_destroy(ctx);
5137 return ret;
5138 }
5139
5140 /*
5141 * Are they asking to set the group?
5142 */
5143 if (StrCaseCmp(name, "system.nt_sec_desc.group") == 0 ||
5144 StrCaseCmp(name, "system.nt_sec_desc.group+") == 0) {
5145
5146 /* Yup. */
5147 char *namevalue =
5148 talloc_asprintf(ctx, "%s:%s",
5149 name+19, (const char *) value);
5150
5151 if (! ipc_srv) {
5152 /* errno set by smbc_server() */
5153 ret = -1;
5154 }
5155 else if (! namevalue) {
5156 errno = ENOMEM;
5157 ret = -1;
5158 } else {
5159 ret = cacl_set(ctx, &srv->cli,
5160 &ipc_srv->cli, &pol, path,
5161 namevalue, SMBC_XATTR_MODE_CHOWN, 0);
5162 }
5163 talloc_destroy(ctx);
5164 return ret;
5165 }
5166
5167 /*
5168 * Are they asking to set a DOS attribute?
5169 */
5170 if (StrCaseCmp(name, "system.dos_attr.*") == 0 ||
5171 StrCaseCmp(name, "system.dos_attr.mode") == 0 ||
5172 StrCaseCmp(name, "system.dos_attr.c_time") == 0 ||
5173 StrCaseCmp(name, "system.dos_attr.a_time") == 0 ||
5174 StrCaseCmp(name, "system.dos_attr.m_time") == 0) {
5175
5176 /* get a DOS Attribute Descriptor with current attributes */
5177 dad = dos_attr_query(context, ctx, path, srv);
5178 if (dad) {
5179 char *namevalue =
5180 talloc_asprintf(ctx, "%s:%s",
5181 name+16, (const char *) value);
5182 if (! namevalue) {
5183 errno = ENOMEM;
5184 ret = -1;
5185 } else {
5186 /* Overwrite old with provided new params */
5187 dos_attr_parse(context, dad, srv, namevalue);
5188
5189 /* Set the new DOS attributes */
5190 ret2 = smbc_setatr(context, srv, path,
5191 dad->c_time,
5192 dad->a_time,
5193 dad->m_time,
5194 dad->mode);
5195
5196 /* ret2 has True (success) / False (failure) */
5197 if (ret2) {
5198 ret = 0;
5199 } else {
5200 ret = -1;
5201 }
5202 }
5203 } else {
5204 ret = -1;
5205 }
5206
5207 talloc_destroy(ctx);
5208 return ret;
5209 }
5210
5211 /* Unsupported attribute name */
5212 talloc_destroy(ctx);
5213 errno = EINVAL;
5214 return -1;
5215 }
5216
5217 static int
5218 smbc_getxattr_ctx(SMBCCTX *context,
5219 const char *fname,
5220 const char *name,
5221 const void *value,
5222 size_t size)
5223 {
5224 int ret;
5225 SMBCSRV *srv;
5226 SMBCSRV *ipc_srv;
5227 fstring server;
5228 fstring share;
5229 fstring user;
5230 fstring password;
5231 fstring workgroup;
5232 pstring path;
5233 TALLOC_CTX *ctx;
5234 POLICY_HND pol;
5235
5236
5237 if (!context || !context->internal ||
5238 !context->internal->_initialized) {
5239
5240 errno = EINVAL; /* Best I can think of ... */
5241 return -1;
5242
5243 }
5244
5245 if (!fname) {
5246
5247 errno = EINVAL;
5248 return -1;
5249
5250 }
5251
5252 DEBUG(4, ("smbc_getxattr(%s, %s)\n", fname, name));
5253
5254 if (smbc_parse_path(context, fname,
5255 workgroup, sizeof(workgroup),
5256 server, sizeof(server),
5257 share, sizeof(share),
5258 path, sizeof(path),
5259 user, sizeof(user),
5260 password, sizeof(password),
5261 NULL, 0)) {
5262 errno = EINVAL;
5263 return -1;
5264 }
5265
5266 if (user[0] == (char)0) fstrcpy(user, context->user);
5267
5268 srv = smbc_server(context, True,
5269 server, share, workgroup, user, password);
5270 if (!srv) {
5271 return -1; /* errno set by smbc_server */
5272 }
5273
5274 if (! srv->no_nt_session) {
5275 ipc_srv = smbc_attr_server(context, server, share,
5276 workgroup, user, password,
5277 &pol);
5278 if (! ipc_srv) {
5279 srv->no_nt_session = True;
5280 }
5281 } else {
5282 ipc_srv = NULL;
5283 }
5284
5285 ctx = talloc_init("smbc:getxattr");
5286 if (!ctx) {
5287 errno = ENOMEM;
5288 return -1;
5289 }
5290
5291 /* Are they requesting a supported attribute? */
5292 if (StrCaseCmp(name, "system.*") == 0 ||
5293 StrnCaseCmp(name, "system.*!", 9) == 0 ||
5294 StrCaseCmp(name, "system.*+") == 0 ||
5295 StrnCaseCmp(name, "system.*+!", 10) == 0 ||
5296 StrCaseCmp(name, "system.nt_sec_desc.*") == 0 ||
5297 StrnCaseCmp(name, "system.nt_sec_desc.*!", 21) == 0 ||
5298 StrCaseCmp(name, "system.nt_sec_desc.*+") == 0 ||
5299 StrnCaseCmp(name, "system.nt_sec_desc.*+!", 22) == 0 ||
5300 StrCaseCmp(name, "system.nt_sec_desc.revision") == 0 ||
5301 StrCaseCmp(name, "system.nt_sec_desc.owner") == 0 ||
5302 StrCaseCmp(name, "system.nt_sec_desc.owner+") == 0 ||
5303 StrCaseCmp(name, "system.nt_sec_desc.group") == 0 ||
5304 StrCaseCmp(name, "system.nt_sec_desc.group+") == 0 ||
5305 StrnCaseCmp(name, "system.nt_sec_desc.acl", 22) == 0 ||
5306 StrnCaseCmp(name, "system.nt_sec_desc.acl+", 23) == 0 ||
5307 StrCaseCmp(name, "system.dos_attr.*") == 0 ||
5308 StrnCaseCmp(name, "system.dos_attr.*!", 18) == 0 ||
5309 StrCaseCmp(name, "system.dos_attr.mode") == 0 ||
5310 StrCaseCmp(name, "system.dos_attr.size") == 0 ||
5311 StrCaseCmp(name, "system.dos_attr.c_time") == 0 ||
5312 StrCaseCmp(name, "system.dos_attr.a_time") == 0 ||
5313 StrCaseCmp(name, "system.dos_attr.m_time") == 0 ||
5314 StrCaseCmp(name, "system.dos_attr.inode") == 0) {
5315
5316 /* Yup. */
5317 ret = cacl_get(context, ctx, srv,
5318 ipc_srv == NULL ? NULL : &ipc_srv->cli,
5319 &pol, path,
5320 CONST_DISCARD(char *, name),
5321 CONST_DISCARD(char *, value), size);
5322 if (ret < 0 && errno == 0) {
5323 errno = smbc_errno(context, &srv->cli);
5324 }
5325 talloc_destroy(ctx);
5326 return ret;
5327 }
5328
5329 /* Unsupported attribute name */
5330 talloc_destroy(ctx);
5331 errno = EINVAL;
5332 return -1;
5333 }
5334
5335
5336 static int
5337 smbc_removexattr_ctx(SMBCCTX *context,
5338 const char *fname,
5339 const char *name)
5340 {
5341 int ret;
5342 SMBCSRV *srv;
5343 SMBCSRV *ipc_srv;
5344 fstring server;
5345 fstring share;
5346 fstring user;
5347 fstring password;
5348 fstring workgroup;
5349 pstring path;
5350 TALLOC_CTX *ctx;
5351 POLICY_HND pol;
5352
5353 if (!context || !context->internal ||
5354 !context->internal->_initialized) {
5355
5356 errno = EINVAL; /* Best I can think of ... */
5357 return -1;
5358
5359 }
5360
5361 if (!fname) {
5362
5363 errno = EINVAL;
5364 return -1;
5365
5366 }
5367
5368 DEBUG(4, ("smbc_removexattr(%s, %s)\n", fname, name));
5369
5370 if (smbc_parse_path(context, fname,
5371 workgroup, sizeof(workgroup),
5372 server, sizeof(server),
5373 share, sizeof(share),
5374 path, sizeof(path),
5375 user, sizeof(user),
5376 password, sizeof(password),
5377 NULL, 0)) {
5378 errno = EINVAL;
5379 return -1;
5380 }
5381
5382 if (user[0] == (char)0) fstrcpy(user, context->user);
5383
5384 srv = smbc_server(context, True,
5385 server, share, workgroup, user, password);
5386 if (!srv) {
5387 return -1; /* errno set by smbc_server */
5388 }
5389
5390 if (! srv->no_nt_session) {
5391 ipc_srv = smbc_attr_server(context, server, share,
5392 workgroup, user, password,
5393 &pol);
5394 srv->no_nt_session = True;
5395 } else {
5396 ipc_srv = NULL;
5397 }
5398
5399 if (! ipc_srv) {
5400 return -1; /* errno set by smbc_attr_server */
5401 }
5402
5403 ctx = talloc_init("smbc_removexattr");
5404 if (!ctx) {
5405 errno = ENOMEM;
5406 return -1;
5407 }
5408
5409 /* Are they asking to set the entire ACL? */
5410 if (StrCaseCmp(name, "system.nt_sec_desc.*") == 0 ||
5411 StrCaseCmp(name, "system.nt_sec_desc.*+") == 0) {
5412
5413 /* Yup. */
5414 ret = cacl_set(ctx, &srv->cli,
5415 &ipc_srv->cli, &pol, path,
5416 NULL, SMBC_XATTR_MODE_REMOVE_ALL, 0);
5417 talloc_destroy(ctx);
5418 return ret;
5419 }
5420
5421 /*
5422 * Are they asking to remove one or more spceific security descriptor
5423 * attributes?
5424 */
5425 if (StrCaseCmp(name, "system.nt_sec_desc.revision") == 0 ||
5426 StrCaseCmp(name, "system.nt_sec_desc.owner") == 0 ||
5427 StrCaseCmp(name, "system.nt_sec_desc.owner+") == 0 ||
5428 StrCaseCmp(name, "system.nt_sec_desc.group") == 0 ||
5429 StrCaseCmp(name, "system.nt_sec_desc.group+") == 0 ||
5430 StrnCaseCmp(name, "system.nt_sec_desc.acl", 22) == 0 ||
5431 StrnCaseCmp(name, "system.nt_sec_desc.acl+", 23) == 0) {
5432
5433 /* Yup. */
5434 ret = cacl_set(ctx, &srv->cli,
5435 &ipc_srv->cli, &pol, path,
5436 name + 19, SMBC_XATTR_MODE_REMOVE, 0);
5437 talloc_destroy(ctx);
5438 return ret;
5439 }
5440
5441 /* Unsupported attribute name */
5442 talloc_destroy(ctx);
5443 errno = EINVAL;
5444 return -1;
5445 }
5446
5447 static int
5448 smbc_listxattr_ctx(SMBCCTX *context,
5449 const char *fname,
5450 char *list,
5451 size_t size)
5452 {
5453 /*
5454 * This isn't quite what listxattr() is supposed to do. This returns
5455 * the complete set of attribute names, always, rather than only those
5456 * attribute names which actually exist for a file. Hmmm...
5457 */
5458 const char supported[] =
5459 "system.*\0"
5460 "system.*+\0"
5461 "system.nt_sec_desc.revision\0"
5462 "system.nt_sec_desc.owner\0"
5463 "system.nt_sec_desc.owner+\0"
5464 "system.nt_sec_desc.group\0"
5465 "system.nt_sec_desc.group+\0"
5466 "system.nt_sec_desc.acl.*\0"
5467 "system.nt_sec_desc.acl\0"
5468 "system.nt_sec_desc.acl+\0"
5469 "system.nt_sec_desc.*\0"
5470 "system.nt_sec_desc.*+\0"
5471 "system.dos_attr.*\0"
5472 "system.dos_attr.mode\0"
5473 "system.dos_attr.c_time\0"
5474 "system.dos_attr.a_time\0"
5475 "system.dos_attr.m_time\0"
5476 ;
5477
5478 if (size == 0) {
5479 return sizeof(supported);
5480 }
5481
5482 if (sizeof(supported) > size) {
5483 errno = ERANGE;
5484 return -1;
5485 }
5486
5487 /* this can't be strcpy() because there are embedded null characters */
5488 memcpy(list, supported, sizeof(supported));
5489 return sizeof(supported);
5490 }
5491
5492
5493 /*
5494 * Open a print file to be written to by other calls
5495 */
5496
5497 static SMBCFILE *
5498 smbc_open_print_job_ctx(SMBCCTX *context,
5499 const char *fname)
5500 {
5501 fstring server;
5502 fstring share;
5503 fstring user;
5504 fstring password;
5505 pstring path;
5506
5507 if (!context || !context->internal ||
5508 !context->internal->_initialized) {
5509
5510 errno = EINVAL;
5511 return NULL;
5512
5513 }
5514
5515 if (!fname) {
5516
5517 errno = EINVAL;
5518 return NULL;
5519
5520 }
5521
5522 DEBUG(4, ("smbc_open_print_job_ctx(%s)\n", fname));
5523
5524 if (smbc_parse_path(context, fname,
5525 NULL, 0,
5526 server, sizeof(server),
5527 share, sizeof(share),
5528 path, sizeof(path),
5529 user, sizeof(user),
5530 password, sizeof(password),
5531 NULL, 0)) {
5532 errno = EINVAL;
5533 return NULL;
5534 }
5535
5536 /* What if the path is empty, or the file exists? */
5537
5538 return context->open(context, fname, O_WRONLY, 666);
5539
5540 }
5541
5542 /*
5543 * Routine to print a file on a remote server ...
5544 *
5545 * We open the file, which we assume to be on a remote server, and then
5546 * copy it to a print file on the share specified by printq.
5547 */
5548
5549 static int
5550 smbc_print_file_ctx(SMBCCTX *c_file,
5551 const char *fname,
5552 SMBCCTX *c_print,
5553 const char *printq)
5554 {
5555 SMBCFILE *fid1;
5556 SMBCFILE *fid2;
5557 int bytes;
5558 int saverr;
5559 int tot_bytes = 0;
5560 char buf[4096];
5561
5562 if (!c_file || !c_file->internal->_initialized || !c_print ||
5563 !c_print->internal->_initialized) {
5564
5565 errno = EINVAL;
5566 return -1;
5567
5568 }
5569
5570 if (!fname && !printq) {
5571
5572 errno = EINVAL;
5573 return -1;
5574
5575 }
5576
5577 /* Try to open the file for reading ... */
5578
5579 if ((long)(fid1 = c_file->open(c_file, fname, O_RDONLY, 0666)) < 0) {
5580
5581 DEBUG(3, ("Error, fname=%s, errno=%i\n", fname, errno));
5582 return -1; /* smbc_open sets errno */
5583
5584 }
5585
5586 /* Now, try to open the printer file for writing */
5587
5588 if ((long)(fid2 = c_print->open_print_job(c_print, printq)) < 0) {
5589
5590 saverr = errno; /* Save errno */
5591 c_file->close_fn(c_file, fid1);
5592 errno = saverr;
5593 return -1;
5594
5595 }
5596
5597 while ((bytes = c_file->read(c_file, fid1, buf, sizeof(buf))) > 0) {
5598
5599 tot_bytes += bytes;
5600
5601 if ((c_print->write(c_print, fid2, buf, bytes)) < 0) {
5602
5603 saverr = errno;
5604 c_file->close_fn(c_file, fid1);
5605 c_print->close_fn(c_print, fid2);
5606 errno = saverr;
5607
5608 }
5609
5610 }
5611
5612 saverr = errno;
5613
5614 c_file->close_fn(c_file, fid1); /* We have to close these anyway */
5615 c_print->close_fn(c_print, fid2);
5616
5617 if (bytes < 0) {
5618
5619 errno = saverr;
5620 return -1;
5621
5622 }
5623
5624 return tot_bytes;
5625
5626 }
5627
5628 /*
5629 * Routine to list print jobs on a printer share ...
5630 */
5631
5632 static int
5633 smbc_list_print_jobs_ctx(SMBCCTX *context,
5634 const char *fname,
5635 smbc_list_print_job_fn fn)
5636 {
5637 SMBCSRV *srv;
5638 fstring server;
5639 fstring share;
5640 fstring user;
5641 fstring password;
5642 fstring workgroup;
5643 pstring path;
5644
5645 if (!context || !context->internal ||
5646 !context->internal->_initialized) {
5647
5648 errno = EINVAL;
5649 return -1;
5650
5651 }
5652
5653 if (!fname) {
5654
5655 errno = EINVAL;
5656 return -1;
5657
5658 }
5659
5660 DEBUG(4, ("smbc_list_print_jobs(%s)\n", fname));
5661
5662 if (smbc_parse_path(context, fname,
5663 workgroup, sizeof(workgroup),
5664 server, sizeof(server),
5665 share, sizeof(share),
5666 path, sizeof(path),
5667 user, sizeof(user),
5668 password, sizeof(password),
5669 NULL, 0)) {
5670 errno = EINVAL;
5671 return -1;
5672 }
5673
5674 if (user[0] == (char)0) fstrcpy(user, context->user);
5675
5676 srv = smbc_server(context, True,
5677 server, share, workgroup, user, password);
5678
5679 if (!srv) {
5680
5681 return -1; /* errno set by smbc_server */
5682
5683 }
5684
5685 if (cli_print_queue(&srv->cli,
5686 (void (*)(struct print_job_info *))fn) < 0) {
5687
5688 errno = smbc_errno(context, &srv->cli);
5689 return -1;
5690
5691 }
5692
5693 return 0;
5694
5695 }
5696
5697 /*
5698 * Delete a print job from a remote printer share
5699 */
5700
5701 static int
5702 smbc_unlink_print_job_ctx(SMBCCTX *context,
5703 const char *fname,
5704 int id)
5705 {
5706 SMBCSRV *srv;
5707 fstring server;
5708 fstring share;
5709 fstring user;
5710 fstring password;
5711 fstring workgroup;
5712 pstring path;
5713 int err;
5714
5715 if (!context || !context->internal ||
5716 !context->internal->_initialized) {
5717
5718 errno = EINVAL;
5719 return -1;
5720
5721 }
5722
5723 if (!fname) {
5724
5725 errno = EINVAL;
5726 return -1;
5727
5728 }
5729
5730 DEBUG(4, ("smbc_unlink_print_job(%s)\n", fname));
5731
5732 if (smbc_parse_path(context, fname,
5733 workgroup, sizeof(workgroup),
5734 server, sizeof(server),
5735 share, sizeof(share),
5736 path, sizeof(path),
5737 user, sizeof(user),
5738 password, sizeof(password),
5739 NULL, 0)) {
5740 errno = EINVAL;
5741 return -1;
5742 }
5743
5744 if (user[0] == (char)0) fstrcpy(user, context->user);
5745
5746 srv = smbc_server(context, True,
5747 server, share, workgroup, user, password);
5748
5749 if (!srv) {
5750
5751 return -1; /* errno set by smbc_server */
5752
5753 }
5754
5755 if ((err = cli_printjob_del(&srv->cli, id)) != 0) {
5756
5757 if (err < 0)
5758 errno = smbc_errno(context, &srv->cli);
5759 else if (err == ERRnosuchprintjob)
5760 errno = EINVAL;
5761 return -1;
5762
5763 }
5764
5765 return 0;
5766
5767 }
5768
5769 /*
5770 * Get a new empty handle to fill in with your own info
5771 */
5772 SMBCCTX *
5773 smbc_new_context(void)
5774 {
5775 SMBCCTX *context;
5776
5777 context = SMB_MALLOC_P(SMBCCTX);
5778 if (!context) {
5779 errno = ENOMEM;
5780 return NULL;
5781 }
5782
5783 ZERO_STRUCTP(context);
5784
5785 context->internal = SMB_MALLOC_P(struct smbc_internal_data);
5786 if (!context->internal) {
5787 errno = ENOMEM;
5788 return NULL;
5789 }
5790
5791 ZERO_STRUCTP(context->internal);
5792
5793
5794 /* ADD REASONABLE DEFAULTS */
5795 context->debug = 0;
5796 context->timeout = 20000; /* 20 seconds */
5797
5798 context->options.browse_max_lmb_count = 3; /* # LMBs to query */
5799 context->options.urlencode_readdir_entries = False;/* backward compat */
5800 context->options.one_share_per_server = False;/* backward compat */
5801
5802 context->open = smbc_open_ctx;
5803 context->creat = smbc_creat_ctx;
5804 context->read = smbc_read_ctx;
5805 context->write = smbc_write_ctx;
5806 context->close_fn = smbc_close_ctx;
5807 context->unlink = smbc_unlink_ctx;
5808 context->rename = smbc_rename_ctx;
5809 context->lseek = smbc_lseek_ctx;
5810 context->stat = smbc_stat_ctx;
5811 context->fstat = smbc_fstat_ctx;
5812 context->opendir = smbc_opendir_ctx;
5813 context->closedir = smbc_closedir_ctx;
5814 context->readdir = smbc_readdir_ctx;
5815 context->getdents = smbc_getdents_ctx;
5816 context->mkdir = smbc_mkdir_ctx;
5817 context->rmdir = smbc_rmdir_ctx;
5818 context->telldir = smbc_telldir_ctx;
5819 context->lseekdir = smbc_lseekdir_ctx;
5820 context->fstatdir = smbc_fstatdir_ctx;
5821 context->chmod = smbc_chmod_ctx;
5822 context->utimes = smbc_utimes_ctx;
5823 context->setxattr = smbc_setxattr_ctx;
5824 context->getxattr = smbc_getxattr_ctx;
5825 context->removexattr = smbc_removexattr_ctx;
5826 context->listxattr = smbc_listxattr_ctx;
5827 context->open_print_job = smbc_open_print_job_ctx;
5828 context->print_file = smbc_print_file_ctx;
5829 context->list_print_jobs = smbc_list_print_jobs_ctx;
5830 context->unlink_print_job = smbc_unlink_print_job_ctx;
5831
5832 context->callbacks.check_server_fn = smbc_check_server;
5833 context->callbacks.remove_unused_server_fn = smbc_remove_unused_server;
5834
5835 smbc_default_cache_functions(context);
5836
5837 return context;
5838 }
5839
5840 /*
5841 * Free a context
5842 *
5843 * Returns 0 on success. Otherwise returns 1, the SMBCCTX is _not_ freed
5844 * and thus you'll be leaking memory if not handled properly.
5845 *
5846 */
5847 int
5848 smbc_free_context(SMBCCTX *context,
5849 int shutdown_ctx)
5850 {
5851 if (!context) {
5852 errno = EBADF;
5853 return 1;
5854 }
5855
5856 if (shutdown_ctx) {
5857 SMBCFILE * f;
5858 DEBUG(1,("Performing aggressive shutdown.\n"));
5859
5860 f = context->internal->_files;
5861 while (f) {
5862 context->close_fn(context, f);
5863 f = f->next;
5864 }
5865 context->internal->_files = NULL;
5866
5867 /* First try to remove the servers the nice way. */
5868 if (context->callbacks.purge_cached_fn(context)) {
5869 SMBCSRV * s;
5870 SMBCSRV * next;
5871 DEBUG(1, ("Could not purge all servers, "
5872 "Nice way shutdown failed.\n"));
5873 s = context->internal->_servers;
5874 while (s) {
5875 DEBUG(1, ("Forced shutdown: %p (fd=%d)\n",
5876 s, s->cli.fd));
5877 cli_shutdown(&s->cli);
5878 context->callbacks.remove_cached_srv_fn(context,
5879 s);
5880 next = s->next;
5881 DLIST_REMOVE(context->internal->_servers, s);
5882 SAFE_FREE(s);
5883 s = next;
5884 }
5885 context->internal->_servers = NULL;
5886 }
5887 }
5888 else {
5889 /* This is the polite way */
5890 if (context->callbacks.purge_cached_fn(context)) {
5891 DEBUG(1, ("Could not purge all servers, "
5892 "free_context failed.\n"));
5893 errno = EBUSY;
5894 return 1;
5895 }
5896 if (context->internal->_servers) {
5897 DEBUG(1, ("Active servers in context, "
5898 "free_context failed.\n"));
5899 errno = EBUSY;
5900 return 1;
5901 }
5902 if (context->internal->_files) {
5903 DEBUG(1, ("Active files in context, "
5904 "free_context failed.\n"));
5905 errno = EBUSY;
5906 return 1;
5907 }
5908 }
5909
5910 /* Things we have to clean up */
5911 SAFE_FREE(context->workgroup);
5912 SAFE_FREE(context->netbios_name);
5913 SAFE_FREE(context->user);
5914
5915 DEBUG(3, ("Context %p succesfully freed\n", context));
5916 SAFE_FREE(context->internal);
5917 SAFE_FREE(context);
5918 return 0;
5919 }
5920
5921
5922 /*
5923 * Each time the context structure is changed, we have binary backward
5924 * compatibility issues. Instead of modifying the public portions of the
5925 * context structure to add new options, instead, we put them in the internal
5926 * portion of the context structure and provide a set function for these new
5927 * options.
5928 */
5929 void
5930 smbc_option_set(SMBCCTX *context,
5931 char *option_name,
5932 void *option_value)
5933 {
5934 if (strcmp(option_name, "debug_stderr") == 0) {
5935 /*
5936 * Log to standard error instead of standard output.
5937 */
5938 context->internal->_debug_stderr = True;
5939 }
5940 }
5941
5942
5943 /*
5944 * Initialise the library etc
5945 *
5946 * We accept a struct containing handle information.
5947 * valid values for info->debug from 0 to 100,
5948 * and insist that info->fn must be non-null.
5949 */
5950 SMBCCTX *
5951 smbc_init_context(SMBCCTX *context)
5952 {
5953 pstring conf;
5954 int pid;
5955 char *user = NULL;
5956 char *home = NULL;
5957
5958 if (!context || !context->internal) {
5959 errno = EBADF;
5960 return NULL;
5961 }
5962
5963 /* Do not initialise the same client twice */
5964 if (context->internal->_initialized) {
5965 return 0;
5966 }
5967
5968 if (!context->callbacks.auth_fn ||
5969 context->debug < 0 ||
5970 context->debug > 100) {
5971
5972 errno = EINVAL;
5973 return NULL;
5974
5975 }
5976
5977 if (!smbc_initialized) {
5978 /*
5979 * Do some library-wide intializations the first time we get
5980 * called
5981 */
5982 BOOL conf_loaded = False;
5983
5984 /* Set this to what the user wants */
5985 DEBUGLEVEL = context->debug;
5986
5987 load_case_tables();
5988
5989 setup_logging("libsmbclient", True);
5990 if (context->internal->_debug_stderr) {
5991 dbf = x_stderr;
5992 x_setbuf(x_stderr, NULL);
5993 }
5994
5995 /* Here we would open the smb.conf file if needed ... */
5996
5997 in_client = True; /* FIXME, make a param */
5998
5999 home = getenv("HOME");
6000 if (home) {
6001 slprintf(conf, sizeof(conf), "%s/.smb/smb.conf", home);
6002 if (lp_load(conf, True, False, False, True)) {
6003 conf_loaded = True;
6004 } else {
6005 DEBUG(5, ("Could not load config file: %s\n",
6006 conf));
6007 }
6008 }
6009
6010 if (!conf_loaded) {
6011 /*
6012 * Well, if that failed, try the dyn_CONFIGFILE
6013 * Which points to the standard locn, and if that
6014 * fails, silently ignore it and use the internal
6015 * defaults ...
6016 */
6017
6018 if (!lp_load(dyn_CONFIGFILE, True, False, False, False)) {
6019 DEBUG(5, ("Could not load config file: %s\n",
6020 dyn_CONFIGFILE));
6021 } else if (home) {
6022 /*
6023 * We loaded the global config file. Now lets
6024 * load user-specific modifications to the
6025 * global config.
6026 */
6027 slprintf(conf, sizeof(conf),
6028 "%s/.smb/smb.conf.append", home);
6029 if (!lp_load(conf, True, False, False, False)) {
6030 DEBUG(10,
6031 ("Could not append config file: "
6032 "%s\n",
6033 conf));
6034 }
6035 }
6036 }
6037
6038 load_interfaces(); /* Load the list of interfaces ... */
6039
6040 reopen_logs(); /* Get logging working ... */
6041
6042 /*
6043 * Block SIGPIPE (from lib/util_sock.c: write())
6044 * It is not needed and should not stop execution
6045 */
6046 BlockSignals(True, SIGPIPE);
6047
6048 /* Done with one-time initialisation */
6049 smbc_initialized = 1;
6050
6051 }
6052
6053 if (!context->user) {
6054 /*
6055 * FIXME: Is this the best way to get the user info?
6056 */
6057 user = getenv("USER");
6058 /* walk around as "guest" if no username can be found */
6059 if (!user) context->user = SMB_STRDUP("guest");
6060 else context->user = SMB_STRDUP(user);
6061 }
6062
6063 if (!context->netbios_name) {
6064 /*
6065 * We try to get our netbios name from the config. If that
6066 * fails we fall back on constructing our netbios name from
6067 * our hostname etc
6068 */
6069 if (global_myname()) {
6070 context->netbios_name = SMB_STRDUP(global_myname());
6071 }
6072 else {
6073 /*
6074 * Hmmm, I want to get hostname as well, but I am too
6075 * lazy for the moment
6076 */
6077 pid = sys_getpid();
6078 context->netbios_name = SMB_MALLOC(17);
6079 if (!context->netbios_name) {
6080 errno = ENOMEM;
6081 return NULL;
6082 }
6083 slprintf(context->netbios_name, 16,
6084 "smbc%s%d", context->user, pid);
6085 }
6086 }
6087
6088 DEBUG(1, ("Using netbios name %s.\n", context->netbios_name));
6089
6090 if (!context->workgroup) {
6091 if (lp_workgroup()) {
6092 context->workgroup = SMB_STRDUP(lp_workgroup());
6093 }
6094 else {
6095 /* TODO: Think about a decent default workgroup */
6096 context->workgroup = SMB_STRDUP("samba");
6097 }
6098 }
6099
6100 DEBUG(1, ("Using workgroup %s.\n", context->workgroup));
6101
6102 /* shortest timeout is 1 second */
6103 if (context->timeout > 0 && context->timeout < 1000)
6104 context->timeout = 1000;
6105
6106 /*
6107 * FIXME: Should we check the function pointers here?
6108 */
6109
6110 context->internal->_initialized = True;
6111
6112 return context;
6113 }
6114
6115
6116 /* Return the verion of samba, and thus libsmbclient */
6117 const char *
6118 smbc_version(void)
6119 {
6120 return samba_version_string();
6121 }