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r17333: Some C++ warnings
[Samba.git] / source / libsmb / libsmbclient.c
blobc64c3dfb3967fef7d6ac0eded69d555ad61e9ff7
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_no_ltrim(&p, userinfo, "@", sizeof(fstring));
363
364 username[0] = passwd[0] = domain[0] = 0;
365
366 if (strchr_m(u, ';')) {
367
368 next_token_no_ltrim(&u, domain, ";", sizeof(fstring));
369
370 }
371
372 if (strchr_m(u, ':')) {
373
374 next_token_no_ltrim(&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 srv->cli = NULL;
529
530 DEBUG(3, ("smbc_remove_usused_server: %p removed.\n", srv));
531
532 context->callbacks.remove_cached_srv_fn(context, srv);
533
534 SAFE_FREE(srv);
535
536 return 0;
537 }
538
539 static SMBCSRV *
540 find_server(SMBCCTX *context,
541 const char *server,
542 const char *share,
543 fstring workgroup,
544 fstring username,
545 fstring password)
546 {
547 SMBCSRV *srv;
548 int auth_called = 0;
549
550 check_server_cache:
551
552 srv = context->callbacks.get_cached_srv_fn(context, server, share,
553 workgroup, username);
554
555 if (!auth_called && !srv && (!username[0] || !password[0])) {
556 if (context->internal->_auth_fn_with_context != NULL) {
557 context->internal->_auth_fn_with_context(
558 context,
559 server, share,
560 workgroup, sizeof(fstring),
561 username, sizeof(fstring),
562 password, sizeof(fstring));
563 } else {
564 context->callbacks.auth_fn(
565 server, share,
566 workgroup, sizeof(fstring),
567 username, sizeof(fstring),
568 password, sizeof(fstring));
569 }
570
571 /*
572 * However, smbc_auth_fn may have picked up info relating to
573 * an existing connection, so try for an existing connection
574 * again ...
575 */
576 auth_called = 1;
577 goto check_server_cache;
578
579 }
580
581 if (srv) {
582 if (context->callbacks.check_server_fn(context, srv)) {
583 /*
584 * This server is no good anymore
585 * Try to remove it and check for more possible
586 * servers in the cache
587 */
588 if (context->callbacks.remove_unused_server_fn(context,
589 srv)) {
590 /*
591 * We could not remove the server completely,
592 * remove it from the cache so we will not get
593 * it again. It will be removed when the last
594 * file/dir is closed.
595 */
596 context->callbacks.remove_cached_srv_fn(context,
597 srv);
598 }
599
600 /*
601 * Maybe there are more cached connections to this
602 * server
603 */
604 goto check_server_cache;
605 }
606
607 return srv;
608 }
609
610 return NULL;
611 }
612
613 /*
614 * Connect to a server, possibly on an existing connection
615 *
616 * Here, what we want to do is: If the server and username
617 * match an existing connection, reuse that, otherwise, establish a
618 * new connection.
619 *
620 * If we have to create a new connection, call the auth_fn to get the
621 * info we need, unless the username and password were passed in.
622 */
623
624 static SMBCSRV *
625 smbc_server(SMBCCTX *context,
626 BOOL connect_if_not_found,
627 const char *server,
628 const char *share,
629 fstring workgroup,
630 fstring username,
631 fstring password)
632 {
633 SMBCSRV *srv=NULL;
634 struct cli_state *c;
635 struct nmb_name called, calling;
636 const char *server_n = server;
637 pstring ipenv;
638 struct in_addr ip;
639 int tried_reverse = 0;
640 int port_try_first;
641 int port_try_next;
642 const char *username_used;
643
644 zero_ip(&ip);
645 ZERO_STRUCT(c);
646
647 if (server[0] == 0) {
648 errno = EPERM;
649 return NULL;
650 }
651
652 /* Look for a cached connection */
653 srv = find_server(context, server, share,
654 workgroup, username, password);
655
656 /*
657 * If we found a connection and we're only allowed one share per
658 * server...
659 */
660 if (srv && *share != '\0' && context->options.one_share_per_server) {
661
662 /*
663 * ... then if there's no current connection to the share,
664 * connect to it. find_server(), or rather the function
665 * pointed to by context->callbacks.get_cached_srv_fn which
666 * was called by find_server(), will have issued a tree
667 * disconnect if the requested share is not the same as the
668 * one that was already connected.
669 */
670 if (srv->cli->cnum == (uint16) -1) {
671 /* Ensure we have accurate auth info */
672 if (context->internal->_auth_fn_with_context != NULL) {
673 context->internal->_auth_fn_with_context(
674 context,
675 server, share,
676 workgroup, sizeof(fstring),
677 username, sizeof(fstring),
678 password, sizeof(fstring));
679 } else {
680 context->callbacks.auth_fn(
681 server, share,
682 workgroup, sizeof(fstring),
683 username, sizeof(fstring),
684 password, sizeof(fstring));
685 }
686
687 if (! cli_send_tconX(srv->cli, share, "?????",
688 password, strlen(password)+1)) {
689
690 errno = smbc_errno(context, srv->cli);
691 cli_shutdown(srv->cli);
692 srv->cli = NULL;
693 context->callbacks.remove_cached_srv_fn(context,
694 srv);
695 srv = NULL;
696 }
697
698 /*
699 * Regenerate the dev value since it's based on both
700 * server and share
701 */
702 if (srv) {
703 srv->dev = (dev_t)(str_checksum(server) ^
704 str_checksum(share));
705 }
706 }
707 }
708
709 /* If we have a connection... */
710 if (srv) {
711
712 /* ... then we're done here. Give 'em what they came for. */
713 return srv;
714 }
715
716 /* If we're not asked to connect when a connection doesn't exist... */
717 if (! connect_if_not_found) {
718 /* ... then we're done here. */
719 return NULL;
720 }
721
722 make_nmb_name(&calling, context->netbios_name, 0x0);
723 make_nmb_name(&called , server, 0x20);
724
725 DEBUG(4,("smbc_server: server_n=[%s] server=[%s]\n", server_n, server));
726
727 DEBUG(4,(" -> server_n=[%s] server=[%s]\n", server_n, server));
728
729 again:
730 slprintf(ipenv,sizeof(ipenv)-1,"HOST_%s", server_n);
731
732 zero_ip(&ip);
733
734 /* have to open a new connection */
735 if ((c = cli_initialise()) == NULL) {
736 errno = ENOMEM;
737 return NULL;
738 }
739
740 if (context->flags & SMB_CTX_FLAG_USE_KERBEROS) {
741 c->use_kerberos = True;
742 }
743 if (context->flags & SMB_CTX_FLAG_FALLBACK_AFTER_KERBEROS) {
744 c->fallback_after_kerberos = True;
745 }
746
747 c->timeout = context->timeout;
748
749 /*
750 * Force use of port 139 for first try if share is $IPC, empty, or
751 * null, so browse lists can work
752 */
753 if (share == NULL || *share == '\0' || strcmp(share, "IPC$") == 0) {
754 port_try_first = 139;
755 port_try_next = 445;
756 } else {
757 port_try_first = 445;
758 port_try_next = 139;
759 }
760
761 c->port = port_try_first;
762
763 if (!cli_connect(c, server_n, &ip)) {
764
765 /* First connection attempt failed. Try alternate port. */
766 c->port = port_try_next;
767
768 if (!cli_connect(c, server_n, &ip)) {
769 cli_shutdown(c);
770 errno = ETIMEDOUT;
771 return NULL;
772 }
773 }
774
775 if (!cli_session_request(c, &calling, &called)) {
776 cli_shutdown(c);
777 if (strcmp(called.name, "*SMBSERVER")) {
778 make_nmb_name(&called , "*SMBSERVER", 0x20);
779 goto again;
780 } else { /* Try one more time, but ensure we don't loop */
781
782 /* Only try this if server is an IP address ... */
783
784 if (is_ipaddress(server) && !tried_reverse) {
785 fstring remote_name;
786 struct in_addr rem_ip;
787
788 if ((rem_ip.s_addr=inet_addr(server)) == INADDR_NONE) {
789 DEBUG(4, ("Could not convert IP address "
790 "%s to struct in_addr\n", server));
791 errno = ETIMEDOUT;
792 return NULL;
793 }
794
795 tried_reverse++; /* Yuck */
796
797 if (name_status_find("*", 0, 0, rem_ip, remote_name)) {
798 make_nmb_name(&called, remote_name, 0x20);
799 goto again;
800 }
801 }
802 }
803 errno = ETIMEDOUT;
804 return NULL;
805 }
806
807 DEBUG(4,(" session request ok\n"));
808
809 if (!cli_negprot(c)) {
810 cli_shutdown(c);
811 errno = ETIMEDOUT;
812 return NULL;
813 }
814
815 username_used = username;
816
817 if (!cli_session_setup(c, username_used,
818 password, strlen(password),
819 password, strlen(password),
820 workgroup)) {
821
822 /* Failed. Try an anonymous login, if allowed by flags. */
823 username_used = "";
824
825 if ((context->flags & SMBCCTX_FLAG_NO_AUTO_ANONYMOUS_LOGON) ||
826 !cli_session_setup(c, username_used,
827 password, 1,
828 password, 0,
829 workgroup)) {
830
831 cli_shutdown(c);
832 errno = EPERM;
833 return NULL;
834 }
835 }
836
837 DEBUG(4,(" session setup ok\n"));
838
839 if (!cli_send_tconX(c, share, "?????",
840 password, strlen(password)+1)) {
841 errno = smbc_errno(context, c);
842 cli_shutdown(c);
843 return NULL;
844 }
845
846 DEBUG(4,(" tconx ok\n"));
847
848 /*
849 * Ok, we have got a nice connection
850 * Let's allocate a server structure.
851 */
852
853 srv = SMB_MALLOC_P(SMBCSRV);
854 if (!srv) {
855 errno = ENOMEM;
856 goto failed;
857 }
858
859 ZERO_STRUCTP(srv);
860 srv->cli = c;
861 srv->dev = (dev_t)(str_checksum(server) ^ str_checksum(share));
862 srv->no_pathinfo = False;
863 srv->no_pathinfo2 = False;
864 srv->no_nt_session = False;
865
866 /* now add it to the cache (internal or external) */
867 /* Let the cache function set errno if it wants to */
868 errno = 0;
869 if (context->callbacks.add_cached_srv_fn(context, srv, server, share, workgroup, username)) {
870 int saved_errno = errno;
871 DEBUG(3, (" Failed to add server to cache\n"));
872 errno = saved_errno;
873 if (errno == 0) {
874 errno = ENOMEM;
875 }
876 goto failed;
877 }
878
879 DEBUG(2, ("Server connect ok: //%s/%s: %p\n",
880 server, share, srv));
881
882 DLIST_ADD(context->internal->_servers, srv);
883 return srv;
884
885 failed:
886 cli_shutdown(c);
887 if (!srv) {
888 return NULL;
889 }
890
891 SAFE_FREE(srv);
892 return NULL;
893 }
894
895 /*
896 * Connect to a server for getting/setting attributes, possibly on an existing
897 * connection. This works similarly to smbc_server().
898 */
899 static SMBCSRV *
900 smbc_attr_server(SMBCCTX *context,
901 const char *server,
902 const char *share,
903 fstring workgroup,
904 fstring username,
905 fstring password,
906 POLICY_HND *pol)
907 {
908 struct in_addr ip;
909 struct cli_state *ipc_cli;
910 struct rpc_pipe_client *pipe_hnd;
911 NTSTATUS nt_status;
912 SMBCSRV *ipc_srv=NULL;
913
914 /*
915 * See if we've already created this special connection. Reference
916 * our "special" share name '*IPC$', which is an impossible real share
917 * name due to the leading asterisk.
918 */
919 ipc_srv = find_server(context, server, "*IPC$",
920 workgroup, username, password);
921 if (!ipc_srv) {
922
923 /* We didn't find a cached connection. Get the password */
924 if (*password == '\0') {
925 /* ... then retrieve it now. */
926 if (context->internal->_auth_fn_with_context != NULL) {
927 context->internal->_auth_fn_with_context(
928 context,
929 server, share,
930 workgroup, sizeof(fstring),
931 username, sizeof(fstring),
932 password, sizeof(fstring));
933 } else {
934 context->callbacks.auth_fn(
935 server, share,
936 workgroup, sizeof(fstring),
937 username, sizeof(fstring),
938 password, sizeof(fstring));
939 }
940 }
941
942 zero_ip(&ip);
943 nt_status = cli_full_connection(&ipc_cli,
944 global_myname(), server,
945 &ip, 0, "IPC$", "?????",
946 username, workgroup,
947 password, 0,
948 Undefined, NULL);
949 if (! NT_STATUS_IS_OK(nt_status)) {
950 DEBUG(1,("cli_full_connection failed! (%s)\n",
951 nt_errstr(nt_status)));
952 errno = ENOTSUP;
953 return NULL;
954 }
955
956 ipc_srv = SMB_MALLOC_P(SMBCSRV);
957 if (!ipc_srv) {
958 errno = ENOMEM;
959 cli_shutdown(ipc_cli);
960 return NULL;
961 }
962
963 ZERO_STRUCTP(ipc_srv);
964 ipc_srv->cli = ipc_cli;
965
966 if (pol) {
967 pipe_hnd = cli_rpc_pipe_open_noauth(ipc_srv->cli,
968 PI_LSARPC,
969 &nt_status);
970 if (!pipe_hnd) {
971 DEBUG(1, ("cli_nt_session_open fail!\n"));
972 errno = ENOTSUP;
973 cli_shutdown(ipc_srv->cli);
974 free(ipc_srv);
975 return NULL;
976 }
977
978 /*
979 * Some systems don't support
980 * SEC_RIGHTS_MAXIMUM_ALLOWED, but NT sends 0x2000000
981 * so we might as well do it too.
982 */
983
984 nt_status = rpccli_lsa_open_policy(
985 pipe_hnd,
986 ipc_srv->cli->mem_ctx,
987 True,
988 GENERIC_EXECUTE_ACCESS,
989 pol);
990
991 if (!NT_STATUS_IS_OK(nt_status)) {
992 errno = smbc_errno(context, ipc_srv->cli);
993 cli_shutdown(ipc_srv->cli);
994 return NULL;
995 }
996 }
997
998 /* now add it to the cache (internal or external) */
999
1000 errno = 0; /* let cache function set errno if it likes */
1001 if (context->callbacks.add_cached_srv_fn(context, ipc_srv,
1002 server,
1003 "*IPC$",
1004 workgroup,
1005 username)) {
1006 DEBUG(3, (" Failed to add server to cache\n"));
1007 if (errno == 0) {
1008 errno = ENOMEM;
1009 }
1010 cli_shutdown(ipc_srv->cli);
1011 free(ipc_srv);
1012 return NULL;
1013 }
1014
1015 DLIST_ADD(context->internal->_servers, ipc_srv);
1016 }
1017
1018 return ipc_srv;
1019 }
1020
1021 /*
1022 * Routine to open() a file ...
1023 */
1024
1025 static SMBCFILE *
1026 smbc_open_ctx(SMBCCTX *context,
1027 const char *fname,
1028 int flags,
1029 mode_t mode)
1030 {
1031 fstring server, share, user, password, workgroup;
1032 pstring path;
1033 pstring targetpath;
1034 struct cli_state *targetcli;
1035 SMBCSRV *srv = NULL;
1036 SMBCFILE *file = NULL;
1037 int fd;
1038
1039 if (!context || !context->internal ||
1040 !context->internal->_initialized) {
1041
1042 errno = EINVAL; /* Best I can think of ... */
1043 return NULL;
1044
1045 }
1046
1047 if (!fname) {
1048
1049 errno = EINVAL;
1050 return NULL;
1051
1052 }
1053
1054 if (smbc_parse_path(context, fname,
1055 workgroup, sizeof(workgroup),
1056 server, sizeof(server),
1057 share, sizeof(share),
1058 path, sizeof(path),
1059 user, sizeof(user),
1060 password, sizeof(password),
1061 NULL, 0)) {
1062 errno = EINVAL;
1063 return NULL;
1064 }
1065
1066 if (user[0] == (char)0) fstrcpy(user, context->user);
1067
1068 srv = smbc_server(context, True,
1069 server, share, workgroup, user, password);
1070
1071 if (!srv) {
1072
1073 if (errno == EPERM) errno = EACCES;
1074 return NULL; /* smbc_server sets errno */
1075
1076 }
1077
1078 /* Hmmm, the test for a directory is suspect here ... FIXME */
1079
1080 if (strlen(path) > 0 && path[strlen(path) - 1] == '\\') {
1081
1082 fd = -1;
1083
1084 }
1085 else {
1086
1087 file = SMB_MALLOC_P(SMBCFILE);
1088
1089 if (!file) {
1090
1091 errno = ENOMEM;
1092 return NULL;
1093
1094 }
1095
1096 ZERO_STRUCTP(file);
1097
1098 /*d_printf(">>>open: resolving %s\n", path);*/
1099 if (!cli_resolve_path( "", srv->cli, path, &targetcli, targetpath))
1100 {
1101 d_printf("Could not resolve %s\n", path);
1102 SAFE_FREE(file);
1103 return NULL;
1104 }
1105 /*d_printf(">>>open: resolved %s as %s\n", path, targetpath);*/
1106
1107 if ( targetcli->dfsroot )
1108 {
1109 pstring temppath;
1110 pstrcpy(temppath, targetpath);
1111 cli_dfs_make_full_path( targetpath, targetcli->desthost, targetcli->share, temppath);
1112 }
1113
1114 if ((fd = cli_open(targetcli, targetpath, flags, DENY_NONE)) < 0) {
1115
1116 /* Handle the error ... */
1117
1118 SAFE_FREE(file);
1119 errno = smbc_errno(context, targetcli);
1120 return NULL;
1121
1122 }
1123
1124 /* Fill in file struct */
1125
1126 file->cli_fd = fd;
1127 file->fname = SMB_STRDUP(fname);
1128 file->srv = srv;
1129 file->offset = 0;
1130 file->file = True;
1131
1132 DLIST_ADD(context->internal->_files, file);
1133
1134 /*
1135 * If the file was opened in O_APPEND mode, all write
1136 * operations should be appended to the file. To do that,
1137 * though, using this protocol, would require a getattrE()
1138 * call for each and every write, to determine where the end
1139 * of the file is. (There does not appear to be an append flag
1140 * in the protocol.) Rather than add all of that overhead of
1141 * retrieving the current end-of-file offset prior to each
1142 * write operation, we'll assume that most append operations
1143 * will continuously write, so we'll just set the offset to
1144 * the end of the file now and hope that's adequate.
1145 *
1146 * Note to self: If this proves inadequate, and O_APPEND
1147 * should, in some cases, be forced for each write, add a
1148 * field in the context options structure, for
1149 * "strict_append_mode" which would select between the current
1150 * behavior (if FALSE) or issuing a getattrE() prior to each
1151 * write and forcing the write to the end of the file (if
1152 * TRUE). Adding that capability will likely require adding
1153 * an "append" flag into the _SMBCFILE structure to track
1154 * whether a file was opened in O_APPEND mode. -- djl
1155 */
1156 if (flags & O_APPEND) {
1157 if (smbc_lseek_ctx(context, file, 0, SEEK_END) < 0) {
1158 (void) smbc_close_ctx(context, file);
1159 errno = ENXIO;
1160 return NULL;
1161 }
1162 }
1163
1164 return file;
1165
1166 }
1167
1168 /* Check if opendir needed ... */
1169
1170 if (fd == -1) {
1171 int eno = 0;
1172
1173 eno = smbc_errno(context, srv->cli);
1174 file = context->opendir(context, fname);
1175 if (!file) errno = eno;
1176 return file;
1177
1178 }
1179
1180 errno = EINVAL; /* FIXME, correct errno ? */
1181 return NULL;
1182
1183 }
1184
1185 /*
1186 * Routine to create a file
1187 */
1188
1189 static int creat_bits = O_WRONLY | O_CREAT | O_TRUNC; /* FIXME: Do we need this */
1190
1191 static SMBCFILE *
1192 smbc_creat_ctx(SMBCCTX *context,
1193 const char *path,
1194 mode_t mode)
1195 {
1196
1197 if (!context || !context->internal ||
1198 !context->internal->_initialized) {
1199
1200 errno = EINVAL;
1201 return NULL;
1202
1203 }
1204
1205 return smbc_open_ctx(context, path, creat_bits, mode);
1206 }
1207
1208 /*
1209 * Routine to read() a file ...
1210 */
1211
1212 static ssize_t
1213 smbc_read_ctx(SMBCCTX *context,
1214 SMBCFILE *file,
1215 void *buf,
1216 size_t count)
1217 {
1218 int ret;
1219 fstring server, share, user, password;
1220 pstring path, targetpath;
1221 struct cli_state *targetcli;
1222
1223 /*
1224 * offset:
1225 *
1226 * Compiler bug (possibly) -- gcc (GCC) 3.3.5 (Debian 1:3.3.5-2) --
1227 * appears to pass file->offset (which is type off_t) differently than
1228 * a local variable of type off_t. Using local variable "offset" in
1229 * the call to cli_read() instead of file->offset fixes a problem
1230 * retrieving data at an offset greater than 4GB.
1231 */
1232 off_t offset;
1233
1234 if (!context || !context->internal ||
1235 !context->internal->_initialized) {
1236
1237 errno = EINVAL;
1238 return -1;
1239
1240 }
1241
1242 DEBUG(4, ("smbc_read(%p, %d)\n", file, (int)count));
1243
1244 if (!file || !DLIST_CONTAINS(context->internal->_files, file)) {
1245
1246 errno = EBADF;
1247 return -1;
1248
1249 }
1250
1251 offset = file->offset;
1252
1253 /* Check that the buffer exists ... */
1254
1255 if (buf == NULL) {
1256
1257 errno = EINVAL;
1258 return -1;
1259
1260 }
1261
1262 /*d_printf(">>>read: parsing %s\n", file->fname);*/
1263 if (smbc_parse_path(context, file->fname,
1264 NULL, 0,
1265 server, sizeof(server),
1266 share, sizeof(share),
1267 path, sizeof(path),
1268 user, sizeof(user),
1269 password, sizeof(password),
1270 NULL, 0)) {
1271 errno = EINVAL;
1272 return -1;
1273 }
1274
1275 /*d_printf(">>>read: resolving %s\n", path);*/
1276 if (!cli_resolve_path("", file->srv->cli, path,
1277 &targetcli, targetpath))
1278 {
1279 d_printf("Could not resolve %s\n", path);
1280 return -1;
1281 }
1282 /*d_printf(">>>fstat: resolved path as %s\n", targetpath);*/
1283
1284 ret = cli_read(targetcli, file->cli_fd, (char *)buf, offset, count);
1285
1286 if (ret < 0) {
1287
1288 errno = smbc_errno(context, targetcli);
1289 return -1;
1290
1291 }
1292
1293 file->offset += ret;
1294
1295 DEBUG(4, (" --> %d\n", ret));
1296
1297 return ret; /* Success, ret bytes of data ... */
1298
1299 }
1300
1301 /*
1302 * Routine to write() a file ...
1303 */
1304
1305 static ssize_t
1306 smbc_write_ctx(SMBCCTX *context,
1307 SMBCFILE *file,
1308 void *buf,
1309 size_t count)
1310 {
1311 int ret;
1312 off_t offset;
1313 fstring server, share, user, password;
1314 pstring path, targetpath;
1315 struct cli_state *targetcli;
1316
1317 /* First check all pointers before dereferencing them */
1318
1319 if (!context || !context->internal ||
1320 !context->internal->_initialized) {
1321
1322 errno = EINVAL;
1323 return -1;
1324
1325 }
1326
1327 if (!file || !DLIST_CONTAINS(context->internal->_files, file)) {
1328
1329 errno = EBADF;
1330 return -1;
1331
1332 }
1333
1334 /* Check that the buffer exists ... */
1335
1336 if (buf == NULL) {
1337
1338 errno = EINVAL;
1339 return -1;
1340
1341 }
1342
1343 offset = file->offset; /* See "offset" comment in smbc_read_ctx() */
1344
1345 /*d_printf(">>>write: parsing %s\n", file->fname);*/
1346 if (smbc_parse_path(context, file->fname,
1347 NULL, 0,
1348 server, sizeof(server),
1349 share, sizeof(share),
1350 path, sizeof(path),
1351 user, sizeof(user),
1352 password, sizeof(password),
1353 NULL, 0)) {
1354 errno = EINVAL;
1355 return -1;
1356 }
1357
1358 /*d_printf(">>>write: resolving %s\n", path);*/
1359 if (!cli_resolve_path("", file->srv->cli, path,
1360 &targetcli, targetpath))
1361 {
1362 d_printf("Could not resolve %s\n", path);
1363 return -1;
1364 }
1365 /*d_printf(">>>write: resolved path as %s\n", targetpath);*/
1366
1367
1368 ret = cli_write(targetcli, file->cli_fd, 0, (char *)buf, offset, count);
1369
1370 if (ret <= 0) {
1371
1372 errno = smbc_errno(context, targetcli);
1373 return -1;
1374
1375 }
1376
1377 file->offset += ret;
1378
1379 return ret; /* Success, 0 bytes of data ... */
1380 }
1381
1382 /*
1383 * Routine to close() a file ...
1384 */
1385
1386 static int
1387 smbc_close_ctx(SMBCCTX *context,
1388 SMBCFILE *file)
1389 {
1390 SMBCSRV *srv;
1391 fstring server, share, user, password;
1392 pstring path, targetpath;
1393 struct cli_state *targetcli;
1394
1395 if (!context || !context->internal ||
1396 !context->internal->_initialized) {
1397
1398 errno = EINVAL;
1399 return -1;
1400
1401 }
1402
1403 if (!file || !DLIST_CONTAINS(context->internal->_files, file)) {
1404
1405 errno = EBADF;
1406 return -1;
1407
1408 }
1409
1410 /* IS a dir ... */
1411 if (!file->file) {
1412
1413 return context->closedir(context, file);
1414
1415 }
1416
1417 /*d_printf(">>>close: parsing %s\n", file->fname);*/
1418 if (smbc_parse_path(context, file->fname,
1419 NULL, 0,
1420 server, sizeof(server),
1421 share, sizeof(share),
1422 path, sizeof(path),
1423 user, sizeof(user),
1424 password, sizeof(password),
1425 NULL, 0)) {
1426 errno = EINVAL;
1427 return -1;
1428 }
1429
1430 /*d_printf(">>>close: resolving %s\n", path);*/
1431 if (!cli_resolve_path("", file->srv->cli, path,
1432 &targetcli, targetpath))
1433 {
1434 d_printf("Could not resolve %s\n", path);
1435 return -1;
1436 }
1437 /*d_printf(">>>close: resolved path as %s\n", targetpath);*/
1438
1439 if (!cli_close(targetcli, file->cli_fd)) {
1440
1441 DEBUG(3, ("cli_close failed on %s. purging server.\n",
1442 file->fname));
1443 /* Deallocate slot and remove the server
1444 * from the server cache if unused */
1445 errno = smbc_errno(context, targetcli);
1446 srv = file->srv;
1447 DLIST_REMOVE(context->internal->_files, file);
1448 SAFE_FREE(file->fname);
1449 SAFE_FREE(file);
1450 context->callbacks.remove_unused_server_fn(context, srv);
1451
1452 return -1;
1453
1454 }
1455
1456 DLIST_REMOVE(context->internal->_files, file);
1457 SAFE_FREE(file->fname);
1458 SAFE_FREE(file);
1459
1460 return 0;
1461 }
1462
1463 /*
1464 * Get info from an SMB server on a file. Use a qpathinfo call first
1465 * and if that fails, use getatr, as Win95 sometimes refuses qpathinfo
1466 */
1467 static BOOL
1468 smbc_getatr(SMBCCTX * context,
1469 SMBCSRV *srv,
1470 char *path,
1471 uint16 *mode,
1472 SMB_OFF_T *size,
1473 time_t *c_time,
1474 time_t *a_time,
1475 time_t *m_time,
1476 SMB_INO_T *ino)
1477 {
1478 pstring fixedpath;
1479 pstring targetpath;
1480 struct cli_state *targetcli;
1481
1482 if (!context || !context->internal ||
1483 !context->internal->_initialized) {
1484
1485 errno = EINVAL;
1486 return -1;
1487
1488 }
1489
1490 /* path fixup for . and .. */
1491 if (strequal(path, ".") || strequal(path, ".."))
1492 pstrcpy(fixedpath, "\\");
1493 else
1494 {
1495 pstrcpy(fixedpath, path);
1496 trim_string(fixedpath, NULL, "\\..");
1497 trim_string(fixedpath, NULL, "\\.");
1498 }
1499 DEBUG(4,("smbc_getatr: sending qpathinfo\n"));
1500
1501 if (!cli_resolve_path( "", srv->cli, fixedpath, &targetcli, targetpath))
1502 {
1503 d_printf("Couldn't resolve %s\n", path);
1504 return False;
1505 }
1506
1507 if ( targetcli->dfsroot )
1508 {
1509 pstring temppath;
1510 pstrcpy(temppath, targetpath);
1511 cli_dfs_make_full_path(targetpath, targetcli->desthost,
1512 targetcli->share, temppath);
1513 }
1514
1515 if (!srv->no_pathinfo2 &&
1516 cli_qpathinfo2(targetcli, targetpath,
1517 c_time, a_time, m_time, NULL, size, mode, ino)) {
1518 return True;
1519 }
1520
1521 /* if this is NT then don't bother with the getatr */
1522 if (targetcli->capabilities & CAP_NT_SMBS) {
1523 errno = EPERM;
1524 return False;
1525 }
1526
1527 if (cli_getatr(targetcli, targetpath, mode, size, m_time)) {
1528 if (m_time != NULL) {
1529 if (a_time != NULL) *a_time = *m_time;
1530 if (c_time != NULL) *c_time = *m_time;
1531 }
1532 srv->no_pathinfo2 = True;
1533 return True;
1534 }
1535
1536 errno = EPERM;
1537 return False;
1538
1539 }
1540
1541 /*
1542 * Set file info on an SMB server. Use setpathinfo call first. If that
1543 * fails, use setattrE..
1544 *
1545 * Access and modification time parameters are always used and must be
1546 * provided. Create time, if zero, will be determined from the actual create
1547 * time of the file. If non-zero, the create time will be set as well.
1548 *
1549 * "mode" (attributes) parameter may be set to -1 if it is not to be set.
1550 */
1551 static BOOL
1552 smbc_setatr(SMBCCTX * context, SMBCSRV *srv, char *path,
1553 time_t c_time, time_t a_time, time_t m_time,
1554 uint16 mode)
1555 {
1556 int fd;
1557 int ret;
1558
1559 /*
1560 * First, try setpathinfo (if qpathinfo succeeded), for it is the
1561 * modern function for "new code" to be using, and it works given a
1562 * filename rather than requiring that the file be opened to have its
1563 * attributes manipulated.
1564 */
1565 if (srv->no_pathinfo ||
1566 ! cli_setpathinfo(srv->cli, path, c_time, a_time, m_time, mode)) {
1567
1568 /*
1569 * setpathinfo is not supported; go to plan B.
1570 *
1571 * cli_setatr() does not work on win98, and it also doesn't
1572 * support setting the access time (only the modification
1573 * time), so in all cases, we open the specified file and use
1574 * cli_setattrE() which should work on all OS versions, and
1575 * supports both times.
1576 */
1577
1578 /* Don't try {q,set}pathinfo() again, with this server */
1579 srv->no_pathinfo = True;
1580
1581 /* Open the file */
1582 if ((fd = cli_open(srv->cli, path, O_RDWR, DENY_NONE)) < 0) {
1583
1584 errno = smbc_errno(context, srv->cli);
1585 return -1;
1586 }
1587
1588 /*
1589 * Get the creat time of the file (if it wasn't provided).
1590 * We'll need it in the set call
1591 */
1592 if (c_time == 0) {
1593 ret = cli_getattrE(srv->cli, fd,
1594 NULL, NULL,
1595 &c_time, NULL, NULL);
1596 } else {
1597 ret = True;
1598 }
1599
1600 /* If we got create time, set times */
1601 if (ret) {
1602 /* Some OS versions don't support create time */
1603 if (c_time == 0 || c_time == -1) {
1604 c_time = time(NULL);
1605 }
1606
1607 /*
1608 * For sanity sake, since there is no POSIX function
1609 * to set the create time of a file, if the existing
1610 * create time is greater than either of access time
1611 * or modification time, set create time to the
1612 * smallest of those. This ensure that the create
1613 * time of a file is never greater than its last
1614 * access or modification time.
1615 */
1616 if (c_time > a_time) c_time = a_time;
1617 if (c_time > m_time) c_time = m_time;
1618
1619 /* Set the new attributes */
1620 ret = cli_setattrE(srv->cli, fd,
1621 c_time, a_time, m_time);
1622 cli_close(srv->cli, fd);
1623 }
1624
1625 /*
1626 * Unfortunately, setattrE() doesn't have a provision for
1627 * setting the access mode (attributes). We'll have to try
1628 * cli_setatr() for that, and with only this parameter, it
1629 * seems to work on win98.
1630 */
1631 if (ret && mode != (uint16) -1) {
1632 ret = cli_setatr(srv->cli, path, mode, 0);
1633 }
1634
1635 if (! ret) {
1636 errno = smbc_errno(context, srv->cli);
1637 return False;
1638 }
1639 }
1640
1641 return True;
1642 }
1643
1644 /*
1645 * Routine to unlink() a file
1646 */
1647
1648 static int
1649 smbc_unlink_ctx(SMBCCTX *context,
1650 const char *fname)
1651 {
1652 fstring server, share, user, password, workgroup;
1653 pstring path, targetpath;
1654 struct cli_state *targetcli;
1655 SMBCSRV *srv = NULL;
1656
1657 if (!context || !context->internal ||
1658 !context->internal->_initialized) {
1659
1660 errno = EINVAL; /* Best I can think of ... */
1661 return -1;
1662
1663 }
1664
1665 if (!fname) {
1666
1667 errno = EINVAL;
1668 return -1;
1669
1670 }
1671
1672 if (smbc_parse_path(context, fname,
1673 workgroup, sizeof(workgroup),
1674 server, sizeof(server),
1675 share, sizeof(share),
1676 path, sizeof(path),
1677 user, sizeof(user),
1678 password, sizeof(password),
1679 NULL, 0)) {
1680 errno = EINVAL;
1681 return -1;
1682 }
1683
1684 if (user[0] == (char)0) fstrcpy(user, context->user);
1685
1686 srv = smbc_server(context, True,
1687 server, share, workgroup, user, password);
1688
1689 if (!srv) {
1690
1691 return -1; /* smbc_server sets errno */
1692
1693 }
1694
1695 /*d_printf(">>>unlink: resolving %s\n", path);*/
1696 if (!cli_resolve_path( "", srv->cli, path, &targetcli, targetpath))
1697 {
1698 d_printf("Could not resolve %s\n", path);
1699 return -1;
1700 }
1701 /*d_printf(">>>unlink: resolved path as %s\n", targetpath);*/
1702
1703 if (!cli_unlink(targetcli, targetpath)) {
1704
1705 errno = smbc_errno(context, targetcli);
1706
1707 if (errno == EACCES) { /* Check if the file is a directory */
1708
1709 int saverr = errno;
1710 SMB_OFF_T size = 0;
1711 uint16 mode = 0;
1712 time_t m_time = 0, a_time = 0, c_time = 0;
1713 SMB_INO_T ino = 0;
1714
1715 if (!smbc_getatr(context, srv, path, &mode, &size,
1716 &c_time, &a_time, &m_time, &ino)) {
1717
1718 /* Hmmm, bad error ... What? */
1719
1720 errno = smbc_errno(context, targetcli);
1721 return -1;
1722
1723 }
1724 else {
1725
1726 if (IS_DOS_DIR(mode))
1727 errno = EISDIR;
1728 else
1729 errno = saverr; /* Restore this */
1730
1731 }
1732 }
1733
1734 return -1;
1735
1736 }
1737
1738 return 0; /* Success ... */
1739
1740 }
1741
1742 /*
1743 * Routine to rename() a file
1744 */
1745
1746 static int
1747 smbc_rename_ctx(SMBCCTX *ocontext,
1748 const char *oname,
1749 SMBCCTX *ncontext,
1750 const char *nname)
1751 {
1752 fstring server1;
1753 fstring share1;
1754 fstring server2;
1755 fstring share2;
1756 fstring user1;
1757 fstring user2;
1758 fstring password1;
1759 fstring password2;
1760 fstring workgroup;
1761 pstring path1;
1762 pstring path2;
1763 pstring targetpath1;
1764 pstring targetpath2;
1765 struct cli_state *targetcli1;
1766 struct cli_state *targetcli2;
1767 SMBCSRV *srv = NULL;
1768
1769 if (!ocontext || !ncontext ||
1770 !ocontext->internal || !ncontext->internal ||
1771 !ocontext->internal->_initialized ||
1772 !ncontext->internal->_initialized) {
1773
1774 errno = EINVAL; /* Best I can think of ... */
1775 return -1;
1776
1777 }
1778
1779 if (!oname || !nname) {
1780
1781 errno = EINVAL;
1782 return -1;
1783
1784 }
1785
1786 DEBUG(4, ("smbc_rename(%s,%s)\n", oname, nname));
1787
1788 smbc_parse_path(ocontext, oname,
1789 workgroup, sizeof(workgroup),
1790 server1, sizeof(server1),
1791 share1, sizeof(share1),
1792 path1, sizeof(path1),
1793 user1, sizeof(user1),
1794 password1, sizeof(password1),
1795 NULL, 0);
1796
1797 if (user1[0] == (char)0) fstrcpy(user1, ocontext->user);
1798
1799 smbc_parse_path(ncontext, nname,
1800 NULL, 0,
1801 server2, sizeof(server2),
1802 share2, sizeof(share2),
1803 path2, sizeof(path2),
1804 user2, sizeof(user2),
1805 password2, sizeof(password2),
1806 NULL, 0);
1807
1808 if (user2[0] == (char)0) fstrcpy(user2, ncontext->user);
1809
1810 if (strcmp(server1, server2) || strcmp(share1, share2) ||
1811 strcmp(user1, user2)) {
1812
1813 /* Can't rename across file systems, or users?? */
1814
1815 errno = EXDEV;
1816 return -1;
1817
1818 }
1819
1820 srv = smbc_server(ocontext, True,
1821 server1, share1, workgroup, user1, password1);
1822 if (!srv) {
1823
1824 return -1;
1825
1826 }
1827
1828 /*d_printf(">>>rename: resolving %s\n", path1);*/
1829 if (!cli_resolve_path( "", srv->cli, path1, &targetcli1, targetpath1))
1830 {
1831 d_printf("Could not resolve %s\n", path1);
1832 return -1;
1833 }
1834 /*d_printf(">>>rename: resolved path as %s\n", targetpath1);*/
1835 /*d_printf(">>>rename: resolving %s\n", path2);*/
1836 if (!cli_resolve_path( "", srv->cli, path2, &targetcli2, targetpath2))
1837 {
1838 d_printf("Could not resolve %s\n", path2);
1839 return -1;
1840 }
1841 /*d_printf(">>>rename: resolved path as %s\n", targetpath2);*/
1842
1843 if (strcmp(targetcli1->desthost, targetcli2->desthost) ||
1844 strcmp(targetcli1->share, targetcli2->share))
1845 {
1846 /* can't rename across file systems */
1847
1848 errno = EXDEV;
1849 return -1;
1850 }
1851
1852 if (!cli_rename(targetcli1, targetpath1, targetpath2)) {
1853 int eno = smbc_errno(ocontext, targetcli1);
1854
1855 if (eno != EEXIST ||
1856 !cli_unlink(targetcli1, targetpath2) ||
1857 !cli_rename(targetcli1, targetpath1, targetpath2)) {
1858
1859 errno = eno;
1860 return -1;
1861
1862 }
1863 }
1864
1865 return 0; /* Success */
1866
1867 }
1868
1869 /*
1870 * A routine to lseek() a file
1871 */
1872
1873 static off_t
1874 smbc_lseek_ctx(SMBCCTX *context,
1875 SMBCFILE *file,
1876 off_t offset,
1877 int whence)
1878 {
1879 SMB_OFF_T size;
1880 fstring server, share, user, password;
1881 pstring path, targetpath;
1882 struct cli_state *targetcli;
1883
1884 if (!context || !context->internal ||
1885 !context->internal->_initialized) {
1886
1887 errno = EINVAL;
1888 return -1;
1889
1890 }
1891
1892 if (!file || !DLIST_CONTAINS(context->internal->_files, file)) {
1893
1894 errno = EBADF;
1895 return -1;
1896
1897 }
1898
1899 if (!file->file) {
1900
1901 errno = EINVAL;
1902 return -1; /* Can't lseek a dir ... */
1903
1904 }
1905
1906 switch (whence) {
1907 case SEEK_SET:
1908 file->offset = offset;
1909 break;
1910
1911 case SEEK_CUR:
1912 file->offset += offset;
1913 break;
1914
1915 case SEEK_END:
1916 /*d_printf(">>>lseek: parsing %s\n", file->fname);*/
1917 if (smbc_parse_path(context, file->fname,
1918 NULL, 0,
1919 server, sizeof(server),
1920 share, sizeof(share),
1921 path, sizeof(path),
1922 user, sizeof(user),
1923 password, sizeof(password),
1924 NULL, 0)) {
1925
1926 errno = EINVAL;
1927 return -1;
1928 }
1929
1930 /*d_printf(">>>lseek: resolving %s\n", path);*/
1931 if (!cli_resolve_path("", file->srv->cli, path,
1932 &targetcli, targetpath))
1933 {
1934 d_printf("Could not resolve %s\n", path);
1935 return -1;
1936 }
1937 /*d_printf(">>>lseek: resolved path as %s\n", targetpath);*/
1938
1939 if (!cli_qfileinfo(targetcli, file->cli_fd, NULL,
1940 &size, NULL, NULL, NULL, NULL, NULL))
1941 {
1942 SMB_OFF_T b_size = size;
1943 if (!cli_getattrE(targetcli, file->cli_fd,
1944 NULL, &b_size, NULL, NULL, NULL))
1945 {
1946 errno = EINVAL;
1947 return -1;
1948 } else
1949 size = b_size;
1950 }
1951 file->offset = size + offset;
1952 break;
1953
1954 default:
1955 errno = EINVAL;
1956 break;
1957
1958 }
1959
1960 return file->offset;
1961
1962 }
1963
1964 /*
1965 * Generate an inode number from file name for those things that need it
1966 */
1967
1968 static ino_t
1969 smbc_inode(SMBCCTX *context,
1970 const char *name)
1971 {
1972
1973 if (!context || !context->internal ||
1974 !context->internal->_initialized) {
1975
1976 errno = EINVAL;
1977 return -1;
1978
1979 }
1980
1981 if (!*name) return 2; /* FIXME, why 2 ??? */
1982 return (ino_t)str_checksum(name);
1983
1984 }
1985
1986 /*
1987 * Routine to put basic stat info into a stat structure ... Used by stat and
1988 * fstat below.
1989 */
1990
1991 static int
1992 smbc_setup_stat(SMBCCTX *context,
1993 struct stat *st,
1994 char *fname,
1995 SMB_OFF_T size,
1996 int mode)
1997 {
1998
1999 st->st_mode = 0;
2000
2001 if (IS_DOS_DIR(mode)) {
2002 st->st_mode = SMBC_DIR_MODE;
2003 } else {
2004 st->st_mode = SMBC_FILE_MODE;
2005 }
2006
2007 if (IS_DOS_ARCHIVE(mode)) st->st_mode |= S_IXUSR;
2008 if (IS_DOS_SYSTEM(mode)) st->st_mode |= S_IXGRP;
2009 if (IS_DOS_HIDDEN(mode)) st->st_mode |= S_IXOTH;
2010 if (!IS_DOS_READONLY(mode)) st->st_mode |= S_IWUSR;
2011
2012 st->st_size = size;
2013 #ifdef HAVE_STAT_ST_BLKSIZE
2014 st->st_blksize = 512;
2015 #endif
2016 #ifdef HAVE_STAT_ST_BLOCKS
2017 st->st_blocks = (size+511)/512;
2018 #endif
2019 st->st_uid = getuid();
2020 st->st_gid = getgid();
2021
2022 if (IS_DOS_DIR(mode)) {
2023 st->st_nlink = 2;
2024 } else {
2025 st->st_nlink = 1;
2026 }
2027
2028 if (st->st_ino == 0) {
2029 st->st_ino = smbc_inode(context, fname);
2030 }
2031
2032 return True; /* FIXME: Is this needed ? */
2033
2034 }
2035
2036 /*
2037 * Routine to stat a file given a name
2038 */
2039
2040 static int
2041 smbc_stat_ctx(SMBCCTX *context,
2042 const char *fname,
2043 struct stat *st)
2044 {
2045 SMBCSRV *srv;
2046 fstring server;
2047 fstring share;
2048 fstring user;
2049 fstring password;
2050 fstring workgroup;
2051 pstring path;
2052 time_t m_time = 0;
2053 time_t a_time = 0;
2054 time_t c_time = 0;
2055 SMB_OFF_T size = 0;
2056 uint16 mode = 0;
2057 SMB_INO_T ino = 0;
2058
2059 if (!context || !context->internal ||
2060 !context->internal->_initialized) {
2061
2062 errno = EINVAL; /* Best I can think of ... */
2063 return -1;
2064
2065 }
2066
2067 if (!fname) {
2068
2069 errno = EINVAL;
2070 return -1;
2071
2072 }
2073
2074 DEBUG(4, ("smbc_stat(%s)\n", fname));
2075
2076 if (smbc_parse_path(context, fname,
2077 workgroup, sizeof(workgroup),
2078 server, sizeof(server),
2079 share, sizeof(share),
2080 path, sizeof(path),
2081 user, sizeof(user),
2082 password, sizeof(password),
2083 NULL, 0)) {
2084 errno = EINVAL;
2085 return -1;
2086 }
2087
2088 if (user[0] == (char)0) fstrcpy(user, context->user);
2089
2090 srv = smbc_server(context, True,
2091 server, share, workgroup, user, password);
2092
2093 if (!srv) {
2094 return -1; /* errno set by smbc_server */
2095 }
2096
2097 if (!smbc_getatr(context, srv, path, &mode, &size,
2098 &c_time, &a_time, &m_time, &ino)) {
2099
2100 errno = smbc_errno(context, srv->cli);
2101 return -1;
2102
2103 }
2104
2105 st->st_ino = ino;
2106
2107 smbc_setup_stat(context, st, path, size, mode);
2108
2109 st->st_atime = a_time;
2110 st->st_ctime = c_time;
2111 st->st_mtime = m_time;
2112 st->st_dev = srv->dev;
2113
2114 return 0;
2115
2116 }
2117
2118 /*
2119 * Routine to stat a file given an fd
2120 */
2121
2122 static int
2123 smbc_fstat_ctx(SMBCCTX *context,
2124 SMBCFILE *file,
2125 struct stat *st)
2126 {
2127 time_t c_time;
2128 time_t a_time;
2129 time_t m_time;
2130 SMB_OFF_T size;
2131 uint16 mode;
2132 fstring server;
2133 fstring share;
2134 fstring user;
2135 fstring password;
2136 pstring path;
2137 pstring targetpath;
2138 struct cli_state *targetcli;
2139 SMB_INO_T ino = 0;
2140
2141 if (!context || !context->internal ||
2142 !context->internal->_initialized) {
2143
2144 errno = EINVAL;
2145 return -1;
2146
2147 }
2148
2149 if (!file || !DLIST_CONTAINS(context->internal->_files, file)) {
2150
2151 errno = EBADF;
2152 return -1;
2153
2154 }
2155
2156 if (!file->file) {
2157
2158 return context->fstatdir(context, file, st);
2159
2160 }
2161
2162 /*d_printf(">>>fstat: parsing %s\n", file->fname);*/
2163 if (smbc_parse_path(context, file->fname,
2164 NULL, 0,
2165 server, sizeof(server),
2166 share, sizeof(share),
2167 path, sizeof(path),
2168 user, sizeof(user),
2169 password, sizeof(password),
2170 NULL, 0)) {
2171 errno = EINVAL;
2172 return -1;
2173 }
2174
2175 /*d_printf(">>>fstat: resolving %s\n", path);*/
2176 if (!cli_resolve_path("", file->srv->cli, path,
2177 &targetcli, targetpath))
2178 {
2179 d_printf("Could not resolve %s\n", path);
2180 return -1;
2181 }
2182 /*d_printf(">>>fstat: resolved path as %s\n", targetpath);*/
2183
2184 if (!cli_qfileinfo(targetcli, file->cli_fd, &mode, &size,
2185 &c_time, &a_time, &m_time, NULL, &ino)) {
2186 if (!cli_getattrE(targetcli, file->cli_fd, &mode, &size,
2187 &c_time, &a_time, &m_time)) {
2188
2189 errno = EINVAL;
2190 return -1;
2191 }
2192 }
2193
2194 st->st_ino = ino;
2195
2196 smbc_setup_stat(context, st, file->fname, size, mode);
2197
2198 st->st_atime = a_time;
2199 st->st_ctime = c_time;
2200 st->st_mtime = m_time;
2201 st->st_dev = file->srv->dev;
2202
2203 return 0;
2204
2205 }
2206
2207 /*
2208 * Routine to open a directory
2209 * We accept the URL syntax explained in smbc_parse_path(), above.
2210 */
2211
2212 static void
2213 smbc_remove_dir(SMBCFILE *dir)
2214 {
2215 struct smbc_dir_list *d,*f;
2216
2217 d = dir->dir_list;
2218 while (d) {
2219
2220 f = d; d = d->next;
2221
2222 SAFE_FREE(f->dirent);
2223 SAFE_FREE(f);
2224
2225 }
2226
2227 dir->dir_list = dir->dir_end = dir->dir_next = NULL;
2228
2229 }
2230
2231 static int
2232 add_dirent(SMBCFILE *dir,
2233 const char *name,
2234 const char *comment,
2235 uint32 type)
2236 {
2237 struct smbc_dirent *dirent;
2238 int size;
2239 int name_length = (name == NULL ? 0 : strlen(name));
2240 int comment_len = (comment == NULL ? 0 : strlen(comment));
2241
2242 /*
2243 * Allocate space for the dirent, which must be increased by the
2244 * size of the name and the comment and 1 each for the null terminator.
2245 */
2246
2247 size = sizeof(struct smbc_dirent) + name_length + comment_len + 2;
2248
2249 dirent = (struct smbc_dirent *)SMB_MALLOC(size);
2250
2251 if (!dirent) {
2252
2253 dir->dir_error = ENOMEM;
2254 return -1;
2255
2256 }
2257
2258 ZERO_STRUCTP(dirent);
2259
2260 if (dir->dir_list == NULL) {
2261
2262 dir->dir_list = SMB_MALLOC_P(struct smbc_dir_list);
2263 if (!dir->dir_list) {
2264
2265 SAFE_FREE(dirent);
2266 dir->dir_error = ENOMEM;
2267 return -1;
2268
2269 }
2270 ZERO_STRUCTP(dir->dir_list);
2271
2272 dir->dir_end = dir->dir_next = dir->dir_list;
2273 }
2274 else {
2275
2276 dir->dir_end->next = SMB_MALLOC_P(struct smbc_dir_list);
2277
2278 if (!dir->dir_end->next) {
2279
2280 SAFE_FREE(dirent);
2281 dir->dir_error = ENOMEM;
2282 return -1;
2283
2284 }
2285 ZERO_STRUCTP(dir->dir_end->next);
2286
2287 dir->dir_end = dir->dir_end->next;
2288 }
2289
2290 dir->dir_end->next = NULL;
2291 dir->dir_end->dirent = dirent;
2292
2293 dirent->smbc_type = type;
2294 dirent->namelen = name_length;
2295 dirent->commentlen = comment_len;
2296 dirent->dirlen = size;
2297
2298 /*
2299 * dirent->namelen + 1 includes the null (no null termination needed)
2300 * Ditto for dirent->commentlen.
2301 * The space for the two null bytes was allocated.
2302 */
2303 strncpy(dirent->name, (name?name:""), dirent->namelen + 1);
2304 dirent->comment = (char *)(&dirent->name + dirent->namelen + 1);
2305 strncpy(dirent->comment, (comment?comment:""), dirent->commentlen + 1);
2306
2307 return 0;
2308
2309 }
2310
2311 static void
2312 list_unique_wg_fn(const char *name,
2313 uint32 type,
2314 const char *comment,
2315 void *state)
2316 {
2317 SMBCFILE *dir = (SMBCFILE *)state;
2318 struct smbc_dir_list *dir_list;
2319 struct smbc_dirent *dirent;
2320 int dirent_type;
2321 int do_remove = 0;
2322
2323 dirent_type = dir->dir_type;
2324
2325 if (add_dirent(dir, name, comment, dirent_type) < 0) {
2326
2327 /* An error occurred, what do we do? */
2328 /* FIXME: Add some code here */
2329 }
2330
2331 /* Point to the one just added */
2332 dirent = dir->dir_end->dirent;
2333
2334 /* See if this was a duplicate */
2335 for (dir_list = dir->dir_list;
2336 dir_list != dir->dir_end;
2337 dir_list = dir_list->next) {
2338 if (! do_remove &&
2339 strcmp(dir_list->dirent->name, dirent->name) == 0) {
2340 /* Duplicate. End end of list need to be removed. */
2341 do_remove = 1;
2342 }
2343
2344 if (do_remove && dir_list->next == dir->dir_end) {
2345 /* Found the end of the list. Remove it. */
2346 dir->dir_end = dir_list;
2347 free(dir_list->next);
2348 free(dirent);
2349 dir_list->next = NULL;
2350 break;
2351 }
2352 }
2353 }
2354
2355 static void
2356 list_fn(const char *name,
2357 uint32 type,
2358 const char *comment,
2359 void *state)
2360 {
2361 SMBCFILE *dir = (SMBCFILE *)state;
2362 int dirent_type;
2363
2364 /*
2365 * We need to process the type a little ...
2366 *
2367 * Disk share = 0x00000000
2368 * Print share = 0x00000001
2369 * Comms share = 0x00000002 (obsolete?)
2370 * IPC$ share = 0x00000003
2371 *
2372 * administrative shares:
2373 * ADMIN$, IPC$, C$, D$, E$ ... are type |= 0x80000000
2374 */
2375
2376 if (dir->dir_type == SMBC_FILE_SHARE) {
2377
2378 switch (type) {
2379 case 0 | 0x80000000:
2380 case 0:
2381 dirent_type = SMBC_FILE_SHARE;
2382 break;
2383
2384 case 1:
2385 dirent_type = SMBC_PRINTER_SHARE;
2386 break;
2387
2388 case 2:
2389 dirent_type = SMBC_COMMS_SHARE;
2390 break;
2391
2392 case 3 | 0x80000000:
2393 case 3:
2394 dirent_type = SMBC_IPC_SHARE;
2395 break;
2396
2397 default:
2398 dirent_type = SMBC_FILE_SHARE; /* FIXME, error? */
2399 break;
2400 }
2401 }
2402 else {
2403 dirent_type = dir->dir_type;
2404 }
2405
2406 if (add_dirent(dir, name, comment, dirent_type) < 0) {
2407
2408 /* An error occurred, what do we do? */
2409 /* FIXME: Add some code here */
2410
2411 }
2412 }
2413
2414 static void
2415 dir_list_fn(const char *mnt,
2416 file_info *finfo,
2417 const char *mask,
2418 void *state)
2419 {
2420
2421 if (add_dirent((SMBCFILE *)state, finfo->name, "",
2422 (finfo->mode&aDIR?SMBC_DIR:SMBC_FILE)) < 0) {
2423
2424 /* Handle an error ... */
2425
2426 /* FIXME: Add some code ... */
2427
2428 }
2429
2430 }
2431
2432 static int
2433 net_share_enum_rpc(struct cli_state *cli,
2434 void (*fn)(const char *name,
2435 uint32 type,
2436 const char *comment,
2437 void *state),
2438 void *state)
2439 {
2440 int i;
2441 WERROR result;
2442 ENUM_HND enum_hnd;
2443 uint32 info_level = 1;
2444 uint32 preferred_len = 0xffffffff;
2445 uint32 type;
2446 SRV_SHARE_INFO_CTR ctr;
2447 fstring name = "";
2448 fstring comment = "";
2449 void *mem_ctx;
2450 struct rpc_pipe_client *pipe_hnd;
2451 NTSTATUS nt_status;
2452
2453 /* Open the server service pipe */
2454 pipe_hnd = cli_rpc_pipe_open_noauth(cli, PI_SRVSVC, &nt_status);
2455 if (!pipe_hnd) {
2456 DEBUG(1, ("net_share_enum_rpc pipe open fail!\n"));
2457 return -1;
2458 }
2459
2460 /* Allocate a context for parsing and for the entries in "ctr" */
2461 mem_ctx = talloc_init("libsmbclient: net_share_enum_rpc");
2462 if (mem_ctx == NULL) {
2463 DEBUG(0, ("out of memory for net_share_enum_rpc!\n"));
2464 cli_rpc_pipe_close(pipe_hnd);
2465 return -1;
2466 }
2467
2468 /* Issue the NetShareEnum RPC call and retrieve the response */
2469 init_enum_hnd(&enum_hnd, 0);
2470 result = rpccli_srvsvc_net_share_enum(pipe_hnd,
2471 mem_ctx,
2472 info_level,
2473 &ctr,
2474 preferred_len,
2475 &enum_hnd);
2476
2477 /* Was it successful? */
2478 if (!W_ERROR_IS_OK(result) || ctr.num_entries == 0) {
2479 /* Nope. Go clean up. */
2480 goto done;
2481 }
2482
2483 /* For each returned entry... */
2484 for (i = 0; i < ctr.num_entries; i++) {
2485
2486 /* pull out the share name */
2487 rpcstr_pull_unistr2_fstring(
2488 name, &ctr.share.info1[i].info_1_str.uni_netname);
2489
2490 /* pull out the share's comment */
2491 rpcstr_pull_unistr2_fstring(
2492 comment, &ctr.share.info1[i].info_1_str.uni_remark);
2493
2494 /* Get the type value */
2495 type = ctr.share.info1[i].info_1.type;
2496
2497 /* Add this share to the list */
2498 (*fn)(name, type, comment, state);
2499 }
2500
2501 done:
2502 /* Close the server service pipe */
2503 cli_rpc_pipe_close(pipe_hnd);
2504
2505 /* Free all memory which was allocated for this request */
2506 TALLOC_FREE(mem_ctx);
2507
2508 /* Tell 'em if it worked */
2509 return W_ERROR_IS_OK(result) ? 0 : -1;
2510 }
2511
2512
2513
2514 static SMBCFILE *
2515 smbc_opendir_ctx(SMBCCTX *context,
2516 const char *fname)
2517 {
2518 fstring server, share, user, password, options;
2519 pstring workgroup;
2520 pstring path;
2521 uint16 mode;
2522 char *p;
2523 SMBCSRV *srv = NULL;
2524 SMBCFILE *dir = NULL;
2525 struct in_addr rem_ip;
2526
2527 if (!context || !context->internal ||
2528 !context->internal->_initialized) {
2529 DEBUG(4, ("no valid context\n"));
2530 errno = EINVAL + 8192;
2531 return NULL;
2532
2533 }
2534
2535 if (!fname) {
2536 DEBUG(4, ("no valid fname\n"));
2537 errno = EINVAL + 8193;
2538 return NULL;
2539 }
2540
2541 if (smbc_parse_path(context, fname,
2542 workgroup, sizeof(workgroup),
2543 server, sizeof(server),
2544 share, sizeof(share),
2545 path, sizeof(path),
2546 user, sizeof(user),
2547 password, sizeof(password),
2548 options, sizeof(options))) {
2549 DEBUG(4, ("no valid path\n"));
2550 errno = EINVAL + 8194;
2551 return NULL;
2552 }
2553
2554 DEBUG(4, ("parsed path: fname='%s' server='%s' share='%s' "
2555 "path='%s' options='%s'\n",
2556 fname, server, share, path, options));
2557
2558 /* Ensure the options are valid */
2559 if (smbc_check_options(server, share, path, options)) {
2560 DEBUG(4, ("unacceptable options (%s)\n", options));
2561 errno = EINVAL + 8195;
2562 return NULL;
2563 }
2564
2565 if (user[0] == (char)0) fstrcpy(user, context->user);
2566
2567 dir = SMB_MALLOC_P(SMBCFILE);
2568
2569 if (!dir) {
2570
2571 errno = ENOMEM;
2572 return NULL;
2573
2574 }
2575
2576 ZERO_STRUCTP(dir);
2577
2578 dir->cli_fd = 0;
2579 dir->fname = SMB_STRDUP(fname);
2580 dir->srv = NULL;
2581 dir->offset = 0;
2582 dir->file = False;
2583 dir->dir_list = dir->dir_next = dir->dir_end = NULL;
2584
2585 if (server[0] == (char)0) {
2586
2587 int i;
2588 int count;
2589 int max_lmb_count;
2590 struct ip_service *ip_list;
2591 struct ip_service server_addr;
2592 struct user_auth_info u_info;
2593 struct cli_state *cli;
2594
2595 if (share[0] != (char)0 || path[0] != (char)0) {
2596
2597 errno = EINVAL + 8196;
2598 if (dir) {
2599 SAFE_FREE(dir->fname);
2600 SAFE_FREE(dir);
2601 }
2602 return NULL;
2603 }
2604
2605 /* Determine how many local master browsers to query */
2606 max_lmb_count = (context->options.browse_max_lmb_count == 0
2607 ? INT_MAX
2608 : context->options.browse_max_lmb_count);
2609
2610 pstrcpy(u_info.username, user);
2611 pstrcpy(u_info.password, password);
2612
2613 /*
2614 * We have server and share and path empty but options
2615 * requesting that we scan all master browsers for their list
2616 * of workgroups/domains. This implies that we must first try
2617 * broadcast queries to find all master browsers, and if that
2618 * doesn't work, then try our other methods which return only
2619 * a single master browser.
2620 */
2621
2622 ip_list = NULL;
2623 if (!name_resolve_bcast(MSBROWSE, 1, &ip_list, &count)) {
2624
2625 SAFE_FREE(ip_list);
2626
2627 if (!find_master_ip(workgroup, &server_addr.ip)) {
2628
2629 if (dir) {
2630 SAFE_FREE(dir->fname);
2631 SAFE_FREE(dir);
2632 }
2633 errno = ENOENT;
2634 return NULL;
2635 }
2636
2637 ip_list = &server_addr;
2638 count = 1;
2639 }
2640
2641 for (i = 0; i < count && i < max_lmb_count; i++) {
2642 DEBUG(99, ("Found master browser %d of %d: %s\n",
2643 i+1, MAX(count, max_lmb_count),
2644 inet_ntoa(ip_list[i].ip)));
2645
2646 cli = get_ipc_connect_master_ip(&ip_list[i],
2647 workgroup, &u_info);
2648 /* cli == NULL is the master browser refused to talk or
2649 could not be found */
2650 if ( !cli )
2651 continue;
2652
2653 fstrcpy(server, cli->desthost);
2654 cli_shutdown(cli);
2655
2656 DEBUG(4, ("using workgroup %s %s\n",
2657 workgroup, server));
2658
2659 /*
2660 * For each returned master browser IP address, get a
2661 * connection to IPC$ on the server if we do not
2662 * already have one, and determine the
2663 * workgroups/domains that it knows about.
2664 */
2665
2666 srv = smbc_server(context, True, server, "IPC$",
2667 workgroup, user, password);
2668 if (!srv) {
2669 continue;
2670 }
2671
2672 dir->srv = srv;
2673 dir->dir_type = SMBC_WORKGROUP;
2674
2675 /* Now, list the stuff ... */
2676
2677 if (!cli_NetServerEnum(srv->cli,
2678 workgroup,
2679 SV_TYPE_DOMAIN_ENUM,
2680 list_unique_wg_fn,
2681 (void *)dir)) {
2682 continue;
2683 }
2684 }
2685
2686 SAFE_FREE(ip_list);
2687 } else {
2688 /*
2689 * Server not an empty string ... Check the rest and see what
2690 * gives
2691 */
2692 if (*share == '\0') {
2693 if (*path != '\0') {
2694
2695 /* Should not have empty share with path */
2696 errno = EINVAL + 8197;
2697 if (dir) {
2698 SAFE_FREE(dir->fname);
2699 SAFE_FREE(dir);
2700 }
2701 return NULL;
2702
2703 }
2704
2705 /*
2706 * We don't know if <server> is really a server name
2707 * or is a workgroup/domain name. If we already have
2708 * a server structure for it, we'll use it.
2709 * Otherwise, check to see if <server><1D>,
2710 * <server><1B>, or <server><20> translates. We check
2711 * to see if <server> is an IP address first.
2712 */
2713
2714 /*
2715 * See if we have an existing server. Do not
2716 * establish a connection if one does not already
2717 * exist.
2718 */
2719 srv = smbc_server(context, False, server, "IPC$",
2720 workgroup, user, password);
2721
2722 /*
2723 * If no existing server and not an IP addr, look for
2724 * LMB or DMB
2725 */
2726 if (!srv &&
2727 !is_ipaddress(server) &&
2728 (resolve_name(server, &rem_ip, 0x1d) || /* LMB */
2729 resolve_name(server, &rem_ip, 0x1b) )) { /* DMB */
2730
2731 fstring buserver;
2732
2733 dir->dir_type = SMBC_SERVER;
2734
2735 /*
2736 * Get the backup list ...
2737 */
2738 if (!name_status_find(server, 0, 0,
2739 rem_ip, buserver)) {
2740
2741 DEBUG(0, ("Could not get name of "
2742 "local/domain master browser "
2743 "for server %s\n", server));
2744 if (dir) {
2745 SAFE_FREE(dir->fname);
2746 SAFE_FREE(dir);
2747 }
2748 errno = EPERM;
2749 return NULL;
2750
2751 }
2752
2753 /*
2754 * Get a connection to IPC$ on the server if
2755 * we do not already have one
2756 */
2757 srv = smbc_server(context, True,
2758 buserver, "IPC$",
2759 workgroup, user, password);
2760 if (!srv) {
2761 DEBUG(0, ("got no contact to IPC$\n"));
2762 if (dir) {
2763 SAFE_FREE(dir->fname);
2764 SAFE_FREE(dir);
2765 }
2766 return NULL;
2767
2768 }
2769
2770 dir->srv = srv;
2771
2772 /* Now, list the servers ... */
2773 if (!cli_NetServerEnum(srv->cli, server,
2774 0x0000FFFE, list_fn,
2775 (void *)dir)) {
2776
2777 if (dir) {
2778 SAFE_FREE(dir->fname);
2779 SAFE_FREE(dir);
2780 }
2781 return NULL;
2782 }
2783 } else if (srv ||
2784 (resolve_name(server, &rem_ip, 0x20))) {
2785
2786 /* If we hadn't found the server, get one now */
2787 if (!srv) {
2788 srv = smbc_server(context, True,
2789 server, "IPC$",
2790 workgroup,
2791 user, password);
2792 }
2793
2794 if (!srv) {
2795 if (dir) {
2796 SAFE_FREE(dir->fname);
2797 SAFE_FREE(dir);
2798 }
2799 return NULL;
2800
2801 }
2802
2803 dir->dir_type = SMBC_FILE_SHARE;
2804 dir->srv = srv;
2805
2806 /* List the shares ... */
2807
2808 if (net_share_enum_rpc(
2809 srv->cli,
2810 list_fn,
2811 (void *) dir) < 0 &&
2812 cli_RNetShareEnum(
2813 srv->cli,
2814 list_fn,
2815 (void *)dir) < 0) {
2816
2817 errno = cli_errno(srv->cli);
2818 if (dir) {
2819 SAFE_FREE(dir->fname);
2820 SAFE_FREE(dir);
2821 }
2822 return NULL;
2823
2824 }
2825 } else {
2826 /* Neither the workgroup nor server exists */
2827 errno = ECONNREFUSED;
2828 if (dir) {
2829 SAFE_FREE(dir->fname);
2830 SAFE_FREE(dir);
2831 }
2832 return NULL;
2833 }
2834
2835 }
2836 else {
2837 /*
2838 * The server and share are specified ... work from
2839 * there ...
2840 */
2841 pstring targetpath;
2842 struct cli_state *targetcli;
2843
2844 /* We connect to the server and list the directory */
2845 dir->dir_type = SMBC_FILE_SHARE;
2846
2847 srv = smbc_server(context, True, server, share,
2848 workgroup, user, password);
2849
2850 if (!srv) {
2851
2852 if (dir) {
2853 SAFE_FREE(dir->fname);
2854 SAFE_FREE(dir);
2855 }
2856 return NULL;
2857
2858 }
2859
2860 dir->srv = srv;
2861
2862 /* Now, list the files ... */
2863
2864 p = path + strlen(path);
2865 pstrcat(path, "\\*");
2866
2867 if (!cli_resolve_path("", srv->cli, path,
2868 &targetcli, targetpath))
2869 {
2870 d_printf("Could not resolve %s\n", path);
2871 if (dir) {
2872 SAFE_FREE(dir->fname);
2873 SAFE_FREE(dir);
2874 }
2875 return NULL;
2876 }
2877
2878 if (cli_list(targetcli, targetpath,
2879 aDIR | aSYSTEM | aHIDDEN,
2880 dir_list_fn, (void *)dir) < 0) {
2881
2882 if (dir) {
2883 SAFE_FREE(dir->fname);
2884 SAFE_FREE(dir);
2885 }
2886 errno = smbc_errno(context, targetcli);
2887
2888 if (errno == EINVAL) {
2889 /*
2890 * See if they asked to opendir something
2891 * other than a directory. If so, the
2892 * converted error value we got would have
2893 * been EINVAL rather than ENOTDIR.
2894 */
2895 *p = '\0'; /* restore original path */
2896
2897 if (smbc_getatr(context, srv, path,
2898 &mode, NULL,
2899 NULL, NULL, NULL,
2900 NULL) &&
2901 ! IS_DOS_DIR(mode)) {
2902
2903 /* It is. Correct the error value */
2904 errno = ENOTDIR;
2905 }
2906 }
2907
2908 return NULL;
2909
2910 }
2911 }
2912
2913 }
2914
2915 DLIST_ADD(context->internal->_files, dir);
2916 return dir;
2917
2918 }
2919
2920 /*
2921 * Routine to close a directory
2922 */
2923
2924 static int
2925 smbc_closedir_ctx(SMBCCTX *context,
2926 SMBCFILE *dir)
2927 {
2928
2929 if (!context || !context->internal ||
2930 !context->internal->_initialized) {
2931
2932 errno = EINVAL;
2933 return -1;
2934
2935 }
2936
2937 if (!dir || !DLIST_CONTAINS(context->internal->_files, dir)) {
2938
2939 errno = EBADF;
2940 return -1;
2941
2942 }
2943
2944 smbc_remove_dir(dir); /* Clean it up */
2945
2946 DLIST_REMOVE(context->internal->_files, dir);
2947
2948 if (dir) {
2949
2950 SAFE_FREE(dir->fname);
2951 SAFE_FREE(dir); /* Free the space too */
2952 }
2953
2954 return 0;
2955
2956 }
2957
2958 static void
2959 smbc_readdir_internal(SMBCCTX * context,
2960 struct smbc_dirent *dest,
2961 struct smbc_dirent *src,
2962 int max_namebuf_len)
2963 {
2964 if (context->options.urlencode_readdir_entries) {
2965
2966 /* url-encode the name. get back remaining buffer space */
2967 max_namebuf_len =
2968 smbc_urlencode(dest->name, src->name, max_namebuf_len);
2969
2970 /* We now know the name length */
2971 dest->namelen = strlen(dest->name);
2972
2973 /* Save the pointer to the beginning of the comment */
2974 dest->comment = dest->name + dest->namelen + 1;
2975
2976 /* Copy the comment */
2977 strncpy(dest->comment, src->comment, max_namebuf_len - 1);
2978 dest->comment[max_namebuf_len - 1] = '\0';
2979
2980 /* Save other fields */
2981 dest->smbc_type = src->smbc_type;
2982 dest->commentlen = strlen(dest->comment);
2983 dest->dirlen = ((dest->comment + dest->commentlen + 1) -
2984 (char *) dest);
2985 } else {
2986
2987 /* No encoding. Just copy the entry as is. */
2988 memcpy(dest, src, src->dirlen);
2989 dest->comment = (char *)(&dest->name + src->namelen + 1);
2990 }
2991
2992 }
2993
2994 /*
2995 * Routine to get a directory entry
2996 */
2997
2998 struct smbc_dirent *
2999 smbc_readdir_ctx(SMBCCTX *context,
3000 SMBCFILE *dir)
3001 {
3002 int maxlen;
3003 struct smbc_dirent *dirp, *dirent;
3004
3005 /* Check that all is ok first ... */
3006
3007 if (!context || !context->internal ||
3008 !context->internal->_initialized) {
3009
3010 errno = EINVAL;
3011 DEBUG(0, ("Invalid context in smbc_readdir_ctx()\n"));
3012 return NULL;
3013
3014 }
3015
3016 if (!dir || !DLIST_CONTAINS(context->internal->_files, dir)) {
3017
3018 errno = EBADF;
3019 DEBUG(0, ("Invalid dir in smbc_readdir_ctx()\n"));
3020 return NULL;
3021
3022 }
3023
3024 if (dir->file != False) { /* FIXME, should be dir, perhaps */
3025
3026 errno = ENOTDIR;
3027 DEBUG(0, ("Found file vs directory in smbc_readdir_ctx()\n"));
3028 return NULL;
3029
3030 }
3031
3032 if (!dir->dir_next) {
3033 return NULL;
3034 }
3035
3036 dirent = dir->dir_next->dirent;
3037 if (!dirent) {
3038
3039 errno = ENOENT;
3040 return NULL;
3041
3042 }
3043
3044 dirp = (struct smbc_dirent *)context->internal->_dirent;
3045 maxlen = (sizeof(context->internal->_dirent) -
3046 sizeof(struct smbc_dirent));
3047
3048 smbc_readdir_internal(context, dirp, dirent, maxlen);
3049
3050 dir->dir_next = dir->dir_next->next;
3051
3052 return dirp;
3053 }
3054
3055 /*
3056 * Routine to get directory entries
3057 */
3058
3059 static int
3060 smbc_getdents_ctx(SMBCCTX *context,
3061 SMBCFILE *dir,
3062 struct smbc_dirent *dirp,
3063 int count)
3064 {
3065 int rem = count;
3066 int reqd;
3067 int maxlen;
3068 char *ndir = (char *)dirp;
3069 struct smbc_dir_list *dirlist;
3070
3071 /* Check that all is ok first ... */
3072
3073 if (!context || !context->internal ||
3074 !context->internal->_initialized) {
3075
3076 errno = EINVAL;
3077 return -1;
3078
3079 }
3080
3081 if (!dir || !DLIST_CONTAINS(context->internal->_files, dir)) {
3082
3083 errno = EBADF;
3084 return -1;
3085
3086 }
3087
3088 if (dir->file != False) { /* FIXME, should be dir, perhaps */
3089
3090 errno = ENOTDIR;
3091 return -1;
3092
3093 }
3094
3095 /*
3096 * Now, retrieve the number of entries that will fit in what was passed
3097 * We have to figure out if the info is in the list, or we need to
3098 * send a request to the server to get the info.
3099 */
3100
3101 while ((dirlist = dir->dir_next)) {
3102 struct smbc_dirent *dirent;
3103
3104 if (!dirlist->dirent) {
3105
3106 errno = ENOENT; /* Bad error */
3107 return -1;
3108
3109 }
3110
3111 /* Do urlencoding of next entry, if so selected */
3112 dirent = (struct smbc_dirent *)context->internal->_dirent;
3113 maxlen = (sizeof(context->internal->_dirent) -
3114 sizeof(struct smbc_dirent));
3115 smbc_readdir_internal(context, dirent, dirlist->dirent, maxlen);
3116
3117 reqd = dirent->dirlen;
3118
3119 if (rem < reqd) {
3120
3121 if (rem < count) { /* We managed to copy something */
3122
3123 errno = 0;
3124 return count - rem;
3125
3126 }
3127 else { /* Nothing copied ... */
3128
3129 errno = EINVAL; /* Not enough space ... */
3130 return -1;
3131
3132 }
3133
3134 }
3135
3136 memcpy(ndir, dirent, reqd); /* Copy the data in ... */
3137
3138 ((struct smbc_dirent *)ndir)->comment =
3139 (char *)(&((struct smbc_dirent *)ndir)->name +
3140 dirent->namelen +
3141 1);
3142
3143 ndir += reqd;
3144
3145 rem -= reqd;
3146
3147 dir->dir_next = dirlist = dirlist -> next;
3148 }
3149
3150 if (rem == count)
3151 return 0;
3152 else
3153 return count - rem;
3154
3155 }
3156
3157 /*
3158 * Routine to create a directory ...
3159 */
3160
3161 static int
3162 smbc_mkdir_ctx(SMBCCTX *context,
3163 const char *fname,
3164 mode_t mode)
3165 {
3166 SMBCSRV *srv;
3167 fstring server;
3168 fstring share;
3169 fstring user;
3170 fstring password;
3171 fstring workgroup;
3172 pstring path, targetpath;
3173 struct cli_state *targetcli;
3174
3175 if (!context || !context->internal ||
3176 !context->internal->_initialized) {
3177
3178 errno = EINVAL;
3179 return -1;
3180
3181 }
3182
3183 if (!fname) {
3184
3185 errno = EINVAL;
3186 return -1;
3187
3188 }
3189
3190 DEBUG(4, ("smbc_mkdir(%s)\n", fname));
3191
3192 if (smbc_parse_path(context, fname,
3193 workgroup, sizeof(workgroup),
3194 server, sizeof(server),
3195 share, sizeof(share),
3196 path, sizeof(path),
3197 user, sizeof(user),
3198 password, sizeof(password),
3199 NULL, 0)) {
3200 errno = EINVAL;
3201 return -1;
3202 }
3203
3204 if (user[0] == (char)0) fstrcpy(user, context->user);
3205
3206 srv = smbc_server(context, True,
3207 server, share, workgroup, user, password);
3208
3209 if (!srv) {
3210
3211 return -1; /* errno set by smbc_server */
3212
3213 }
3214
3215 /*d_printf(">>>mkdir: resolving %s\n", path);*/
3216 if (!cli_resolve_path( "", srv->cli, path, &targetcli, targetpath))
3217 {
3218 d_printf("Could not resolve %s\n", path);
3219 return -1;
3220 }
3221 /*d_printf(">>>mkdir: resolved path as %s\n", targetpath);*/
3222
3223 if (!cli_mkdir(targetcli, targetpath)) {
3224
3225 errno = smbc_errno(context, targetcli);
3226 return -1;
3227
3228 }
3229
3230 return 0;
3231
3232 }
3233
3234 /*
3235 * Our list function simply checks to see if a directory is not empty
3236 */
3237
3238 static int smbc_rmdir_dirempty = True;
3239
3240 static void
3241 rmdir_list_fn(const char *mnt,
3242 file_info *finfo,
3243 const char *mask,
3244 void *state)
3245 {
3246 if (strncmp(finfo->name, ".", 1) != 0 &&
3247 strncmp(finfo->name, "..", 2) != 0) {
3248
3249 smbc_rmdir_dirempty = False;
3250 }
3251 }
3252
3253 /*
3254 * Routine to remove a directory
3255 */
3256
3257 static int
3258 smbc_rmdir_ctx(SMBCCTX *context,
3259 const char *fname)
3260 {
3261 SMBCSRV *srv;
3262 fstring server;
3263 fstring share;
3264 fstring user;
3265 fstring password;
3266 fstring workgroup;
3267 pstring path;
3268 pstring targetpath;
3269 struct cli_state *targetcli;
3270
3271 if (!context || !context->internal ||
3272 !context->internal->_initialized) {
3273
3274 errno = EINVAL;
3275 return -1;
3276
3277 }
3278
3279 if (!fname) {
3280
3281 errno = EINVAL;
3282 return -1;
3283
3284 }
3285
3286 DEBUG(4, ("smbc_rmdir(%s)\n", fname));
3287
3288 if (smbc_parse_path(context, fname,
3289 workgroup, sizeof(workgroup),
3290 server, sizeof(server),
3291 share, sizeof(share),
3292 path, sizeof(path),
3293 user, sizeof(user),
3294 password, sizeof(password),
3295 NULL, 0))
3296 {
3297 errno = EINVAL;
3298 return -1;
3299 }
3300
3301 if (user[0] == (char)0) fstrcpy(user, context->user);
3302
3303 srv = smbc_server(context, True,
3304 server, share, workgroup, user, password);
3305
3306 if (!srv) {
3307
3308 return -1; /* errno set by smbc_server */
3309
3310 }
3311
3312 /*d_printf(">>>rmdir: resolving %s\n", path);*/
3313 if (!cli_resolve_path( "", srv->cli, path, &targetcli, targetpath))
3314 {
3315 d_printf("Could not resolve %s\n", path);
3316 return -1;
3317 }
3318 /*d_printf(">>>rmdir: resolved path as %s\n", targetpath);*/
3319
3320
3321 if (!cli_rmdir(targetcli, targetpath)) {
3322
3323 errno = smbc_errno(context, targetcli);
3324
3325 if (errno == EACCES) { /* Check if the dir empty or not */
3326
3327 /* Local storage to avoid buffer overflows */
3328 pstring lpath;
3329
3330 smbc_rmdir_dirempty = True; /* Make this so ... */
3331
3332 pstrcpy(lpath, targetpath);
3333 pstrcat(lpath, "\\*");
3334
3335 if (cli_list(targetcli, lpath,
3336 aDIR | aSYSTEM | aHIDDEN,
3337 rmdir_list_fn, NULL) < 0) {
3338
3339 /* Fix errno to ignore latest error ... */
3340 DEBUG(5, ("smbc_rmdir: "
3341 "cli_list returned an error: %d\n",
3342 smbc_errno(context, targetcli)));
3343 errno = EACCES;
3344
3345 }
3346
3347 if (smbc_rmdir_dirempty)
3348 errno = EACCES;
3349 else
3350 errno = ENOTEMPTY;
3351
3352 }
3353
3354 return -1;
3355
3356 }
3357
3358 return 0;
3359
3360 }
3361
3362 /*
3363 * Routine to return the current directory position
3364 */
3365
3366 static off_t
3367 smbc_telldir_ctx(SMBCCTX *context,
3368 SMBCFILE *dir)
3369 {
3370 off_t ret_val; /* Squash warnings about cast */
3371
3372 if (!context || !context->internal ||
3373 !context->internal->_initialized) {
3374
3375 errno = EINVAL;
3376 return -1;
3377
3378 }
3379
3380 if (!dir || !DLIST_CONTAINS(context->internal->_files, dir)) {
3381
3382 errno = EBADF;
3383 return -1;
3384
3385 }
3386
3387 if (dir->file != False) { /* FIXME, should be dir, perhaps */
3388
3389 errno = ENOTDIR;
3390 return -1;
3391
3392 }
3393
3394 /*
3395 * We return the pointer here as the offset
3396 */
3397 ret_val = (off_t)(long)dir->dir_next;
3398 return ret_val;
3399
3400 }
3401
3402 /*
3403 * A routine to run down the list and see if the entry is OK
3404 */
3405
3406 struct smbc_dir_list *
3407 smbc_check_dir_ent(struct smbc_dir_list *list,
3408 struct smbc_dirent *dirent)
3409 {
3410
3411 /* Run down the list looking for what we want */
3412
3413 if (dirent) {
3414
3415 struct smbc_dir_list *tmp = list;
3416
3417 while (tmp) {
3418
3419 if (tmp->dirent == dirent)
3420 return tmp;
3421
3422 tmp = tmp->next;
3423
3424 }
3425
3426 }
3427
3428 return NULL; /* Not found, or an error */
3429
3430 }
3431
3432
3433 /*
3434 * Routine to seek on a directory
3435 */
3436
3437 static int
3438 smbc_lseekdir_ctx(SMBCCTX *context,
3439 SMBCFILE *dir,
3440 off_t offset)
3441 {
3442 long int l_offset = offset; /* Handle problems of size */
3443 struct smbc_dirent *dirent = (struct smbc_dirent *)l_offset;
3444 struct smbc_dir_list *list_ent = (struct smbc_dir_list *)NULL;
3445
3446 if (!context || !context->internal ||
3447 !context->internal->_initialized) {
3448
3449 errno = EINVAL;
3450 return -1;
3451
3452 }
3453
3454 if (dir->file != False) { /* FIXME, should be dir, perhaps */
3455
3456 errno = ENOTDIR;
3457 return -1;
3458
3459 }
3460
3461 /* Now, check what we were passed and see if it is OK ... */
3462
3463 if (dirent == NULL) { /* Seek to the begining of the list */
3464
3465 dir->dir_next = dir->dir_list;
3466 return 0;
3467
3468 }
3469
3470 /* Now, run down the list and make sure that the entry is OK */
3471 /* This may need to be changed if we change the format of the list */
3472
3473 if ((list_ent = smbc_check_dir_ent(dir->dir_list, dirent)) == NULL) {
3474
3475 errno = EINVAL; /* Bad entry */
3476 return -1;
3477
3478 }
3479
3480 dir->dir_next = list_ent;
3481
3482 return 0;
3483
3484 }
3485
3486 /*
3487 * Routine to fstat a dir
3488 */
3489
3490 static int
3491 smbc_fstatdir_ctx(SMBCCTX *context,
3492 SMBCFILE *dir,
3493 struct stat *st)
3494 {
3495
3496 if (!context || !context->internal ||
3497 !context->internal->_initialized) {
3498
3499 errno = EINVAL;
3500 return -1;
3501
3502 }
3503
3504 /* No code yet ... */
3505
3506 return 0;
3507
3508 }
3509
3510 static int
3511 smbc_chmod_ctx(SMBCCTX *context,
3512 const char *fname,
3513 mode_t newmode)
3514 {
3515 SMBCSRV *srv;
3516 fstring server;
3517 fstring share;
3518 fstring user;
3519 fstring password;
3520 fstring workgroup;
3521 pstring path;
3522 uint16 mode;
3523
3524 if (!context || !context->internal ||
3525 !context->internal->_initialized) {
3526
3527 errno = EINVAL; /* Best I can think of ... */
3528 return -1;
3529
3530 }
3531
3532 if (!fname) {
3533
3534 errno = EINVAL;
3535 return -1;
3536
3537 }
3538
3539 DEBUG(4, ("smbc_chmod(%s, 0%3o)\n", fname, newmode));
3540
3541 if (smbc_parse_path(context, fname,
3542 workgroup, sizeof(workgroup),
3543 server, sizeof(server),
3544 share, sizeof(share),
3545 path, sizeof(path),
3546 user, sizeof(user),
3547 password, sizeof(password),
3548 NULL, 0)) {
3549 errno = EINVAL;
3550 return -1;
3551 }
3552
3553 if (user[0] == (char)0) fstrcpy(user, context->user);
3554
3555 srv = smbc_server(context, True,
3556 server, share, workgroup, user, password);
3557
3558 if (!srv) {
3559 return -1; /* errno set by smbc_server */
3560 }
3561
3562 mode = 0;
3563
3564 if (!(newmode & (S_IWUSR | S_IWGRP | S_IWOTH))) mode |= aRONLY;
3565 if ((newmode & S_IXUSR) && lp_map_archive(-1)) mode |= aARCH;
3566 if ((newmode & S_IXGRP) && lp_map_system(-1)) mode |= aSYSTEM;
3567 if ((newmode & S_IXOTH) && lp_map_hidden(-1)) mode |= aHIDDEN;
3568
3569 if (!cli_setatr(srv->cli, path, mode, 0)) {
3570 errno = smbc_errno(context, srv->cli);
3571 return -1;
3572 }
3573
3574 return 0;
3575 }
3576
3577 static int
3578 smbc_utimes_ctx(SMBCCTX *context,
3579 const char *fname,
3580 struct timeval *tbuf)
3581 {
3582 SMBCSRV *srv;
3583 fstring server;
3584 fstring share;
3585 fstring user;
3586 fstring password;
3587 fstring workgroup;
3588 pstring path;
3589 time_t a_time;
3590 time_t m_time;
3591
3592 if (!context || !context->internal ||
3593 !context->internal->_initialized) {
3594
3595 errno = EINVAL; /* Best I can think of ... */
3596 return -1;
3597
3598 }
3599
3600 if (!fname) {
3601
3602 errno = EINVAL;
3603 return -1;
3604
3605 }
3606
3607 if (tbuf == NULL) {
3608 a_time = m_time = time(NULL);
3609 } else {
3610 a_time = tbuf[0].tv_sec;
3611 m_time = tbuf[1].tv_sec;
3612 }
3613
3614 if (DEBUGLVL(4))
3615 {
3616 char *p;
3617 char atimebuf[32];
3618 char mtimebuf[32];
3619
3620 strncpy(atimebuf, ctime(&a_time), sizeof(atimebuf) - 1);
3621 atimebuf[sizeof(atimebuf) - 1] = '\0';
3622 if ((p = strchr(atimebuf, '\n')) != NULL) {
3623 *p = '\0';
3624 }
3625
3626 strncpy(mtimebuf, ctime(&m_time), sizeof(mtimebuf) - 1);
3627 mtimebuf[sizeof(mtimebuf) - 1] = '\0';
3628 if ((p = strchr(mtimebuf, '\n')) != NULL) {
3629 *p = '\0';
3630 }
3631
3632 dbgtext("smbc_utimes(%s, atime = %s mtime = %s)\n",
3633 fname, atimebuf, mtimebuf);
3634 }
3635
3636 if (smbc_parse_path(context, fname,
3637 workgroup, sizeof(workgroup),
3638 server, sizeof(server),
3639 share, sizeof(share),
3640 path, sizeof(path),
3641 user, sizeof(user),
3642 password, sizeof(password),
3643 NULL, 0)) {
3644 errno = EINVAL;
3645 return -1;
3646 }
3647
3648 if (user[0] == (char)0) fstrcpy(user, context->user);
3649
3650 srv = smbc_server(context, True,
3651 server, share, workgroup, user, password);
3652
3653 if (!srv) {
3654 return -1; /* errno set by smbc_server */
3655 }
3656
3657 if (!smbc_setatr(context, srv, path, 0, a_time, m_time, 0)) {
3658 return -1; /* errno set by smbc_setatr */
3659 }
3660
3661 return 0;
3662 }
3663
3664
3665 /* The MSDN is contradictory over the ordering of ACE entries in an ACL.
3666 However NT4 gives a "The information may have been modified by a
3667 computer running Windows NT 5.0" if denied ACEs do not appear before
3668 allowed ACEs. */
3669
3670 static int
3671 ace_compare(SEC_ACE *ace1,
3672 SEC_ACE *ace2)
3673 {
3674 if (sec_ace_equal(ace1, ace2))
3675 return 0;
3676
3677 if (ace1->type != ace2->type)
3678 return ace2->type - ace1->type;
3679
3680 if (sid_compare(&ace1->trustee, &ace2->trustee))
3681 return sid_compare(&ace1->trustee, &ace2->trustee);
3682
3683 if (ace1->flags != ace2->flags)
3684 return ace1->flags - ace2->flags;
3685
3686 if (ace1->info.mask != ace2->info.mask)
3687 return ace1->info.mask - ace2->info.mask;
3688
3689 if (ace1->size != ace2->size)
3690 return ace1->size - ace2->size;
3691
3692 return memcmp(ace1, ace2, sizeof(SEC_ACE));
3693 }
3694
3695
3696 static void
3697 sort_acl(SEC_ACL *the_acl)
3698 {
3699 uint32 i;
3700 if (!the_acl) return;
3701
3702 qsort(the_acl->ace, the_acl->num_aces, sizeof(the_acl->ace[0]),
3703 QSORT_CAST ace_compare);
3704
3705 for (i=1;i<the_acl->num_aces;) {
3706 if (sec_ace_equal(&the_acl->ace[i-1], &the_acl->ace[i])) {
3707 int j;
3708 for (j=i; j<the_acl->num_aces-1; j++) {
3709 the_acl->ace[j] = the_acl->ace[j+1];
3710 }
3711 the_acl->num_aces--;
3712 } else {
3713 i++;
3714 }
3715 }
3716 }
3717
3718 /* convert a SID to a string, either numeric or username/group */
3719 static void
3720 convert_sid_to_string(struct cli_state *ipc_cli,
3721 POLICY_HND *pol,
3722 fstring str,
3723 BOOL numeric,
3724 DOM_SID *sid)
3725 {
3726 char **domains = NULL;
3727 char **names = NULL;
3728 enum SID_NAME_USE *types = NULL;
3729 struct rpc_pipe_client *pipe_hnd = find_lsa_pipe_hnd(ipc_cli);
3730 sid_to_string(str, sid);
3731
3732 if (numeric) {
3733 return; /* no lookup desired */
3734 }
3735
3736 if (!pipe_hnd) {
3737 return;
3738 }
3739
3740 /* Ask LSA to convert the sid to a name */
3741
3742 if (!NT_STATUS_IS_OK(rpccli_lsa_lookup_sids(pipe_hnd, ipc_cli->mem_ctx,
3743 pol, 1, sid, &domains,
3744 &names, &types)) ||
3745 !domains || !domains[0] || !names || !names[0]) {
3746 return;
3747 }
3748
3749 /* Converted OK */
3750
3751 slprintf(str, sizeof(fstring) - 1, "%s%s%s",
3752 domains[0], lp_winbind_separator(),
3753 names[0]);
3754 }
3755
3756 /* convert a string to a SID, either numeric or username/group */
3757 static BOOL
3758 convert_string_to_sid(struct cli_state *ipc_cli,
3759 POLICY_HND *pol,
3760 BOOL numeric,
3761 DOM_SID *sid,
3762 const char *str)
3763 {
3764 enum SID_NAME_USE *types = NULL;
3765 DOM_SID *sids = NULL;
3766 BOOL result = True;
3767 struct rpc_pipe_client *pipe_hnd = find_lsa_pipe_hnd(ipc_cli);
3768
3769 if (!pipe_hnd) {
3770 return False;
3771 }
3772
3773 if (numeric) {
3774 if (strncmp(str, "S-", 2) == 0) {
3775 return string_to_sid(sid, str);
3776 }
3777
3778 result = False;
3779 goto done;
3780 }
3781
3782 if (!NT_STATUS_IS_OK(rpccli_lsa_lookup_names(pipe_hnd, ipc_cli->mem_ctx,
3783 pol, 1, &str, NULL, &sids,
3784 &types))) {
3785 result = False;
3786 goto done;
3787 }
3788
3789 sid_copy(sid, &sids[0]);
3790 done:
3791
3792 return result;
3793 }
3794
3795
3796 /* parse an ACE in the same format as print_ace() */
3797 static BOOL
3798 parse_ace(struct cli_state *ipc_cli,
3799 POLICY_HND *pol,
3800 SEC_ACE *ace,
3801 BOOL numeric,
3802 char *str)
3803 {
3804 char *p;
3805 const char *cp;
3806 fstring tok;
3807 unsigned int atype;
3808 unsigned int aflags;
3809 unsigned int amask;
3810 DOM_SID sid;
3811 SEC_ACCESS mask;
3812 const struct perm_value *v;
3813 struct perm_value {
3814 const char *perm;
3815 uint32 mask;
3816 };
3817
3818 /* These values discovered by inspection */
3819 static const struct perm_value special_values[] = {
3820 { "R", 0x00120089 },
3821 { "W", 0x00120116 },
3822 { "X", 0x001200a0 },
3823 { "D", 0x00010000 },
3824 { "P", 0x00040000 },
3825 { "O", 0x00080000 },
3826 { NULL, 0 },
3827 };
3828
3829 static const struct perm_value standard_values[] = {
3830 { "READ", 0x001200a9 },
3831 { "CHANGE", 0x001301bf },
3832 { "FULL", 0x001f01ff },
3833 { NULL, 0 },
3834 };
3835
3836
3837 ZERO_STRUCTP(ace);
3838 p = strchr_m(str,':');
3839 if (!p) return False;
3840 *p = '\0';
3841 p++;
3842 /* Try to parse numeric form */
3843
3844 if (sscanf(p, "%i/%i/%i", &atype, &aflags, &amask) == 3 &&
3845 convert_string_to_sid(ipc_cli, pol, numeric, &sid, str)) {
3846 goto done;
3847 }
3848
3849 /* Try to parse text form */
3850
3851 if (!convert_string_to_sid(ipc_cli, pol, numeric, &sid, str)) {
3852 return False;
3853 }
3854
3855 cp = p;
3856 if (!next_token(&cp, tok, "/", sizeof(fstring))) {
3857 return False;
3858 }
3859
3860 if (StrnCaseCmp(tok, "ALLOWED", strlen("ALLOWED")) == 0) {
3861 atype = SEC_ACE_TYPE_ACCESS_ALLOWED;
3862 } else if (StrnCaseCmp(tok, "DENIED", strlen("DENIED")) == 0) {
3863 atype = SEC_ACE_TYPE_ACCESS_DENIED;
3864 } else {
3865 return False;
3866 }
3867
3868 /* Only numeric form accepted for flags at present */
3869
3870 if (!(next_token(&cp, tok, "/", sizeof(fstring)) &&
3871 sscanf(tok, "%i", &aflags))) {
3872 return False;
3873 }
3874
3875 if (!next_token(&cp, tok, "/", sizeof(fstring))) {
3876 return False;
3877 }
3878
3879 if (strncmp(tok, "0x", 2) == 0) {
3880 if (sscanf(tok, "%i", &amask) != 1) {
3881 return False;
3882 }
3883 goto done;
3884 }
3885
3886 for (v = standard_values; v->perm; v++) {
3887 if (strcmp(tok, v->perm) == 0) {
3888 amask = v->mask;
3889 goto done;
3890 }
3891 }
3892
3893 p = tok;
3894
3895 while(*p) {
3896 BOOL found = False;
3897
3898 for (v = special_values; v->perm; v++) {
3899 if (v->perm[0] == *p) {
3900 amask |= v->mask;
3901 found = True;
3902 }
3903 }
3904
3905 if (!found) return False;
3906 p++;
3907 }
3908
3909 if (*p) {
3910 return False;
3911 }
3912
3913 done:
3914 mask.mask = amask;
3915 init_sec_ace(ace, &sid, atype, mask, aflags);
3916 return True;
3917 }
3918
3919 /* add an ACE to a list of ACEs in a SEC_ACL */
3920 static BOOL
3921 add_ace(SEC_ACL **the_acl,
3922 SEC_ACE *ace,
3923 TALLOC_CTX *ctx)
3924 {
3925 SEC_ACL *newacl;
3926 SEC_ACE *aces;
3927
3928 if (! *the_acl) {
3929 (*the_acl) = make_sec_acl(ctx, 3, 1, ace);
3930 return True;
3931 }
3932
3933 if ((aces = SMB_CALLOC_ARRAY(SEC_ACE, 1+(*the_acl)->num_aces)) == NULL) {
3934 return False;
3935 }
3936 memcpy(aces, (*the_acl)->ace, (*the_acl)->num_aces * sizeof(SEC_ACE));
3937 memcpy(aces+(*the_acl)->num_aces, ace, sizeof(SEC_ACE));
3938 newacl = make_sec_acl(ctx, (*the_acl)->revision,
3939 1+(*the_acl)->num_aces, aces);
3940 SAFE_FREE(aces);
3941 (*the_acl) = newacl;
3942 return True;
3943 }
3944
3945
3946 /* parse a ascii version of a security descriptor */
3947 static SEC_DESC *
3948 sec_desc_parse(TALLOC_CTX *ctx,
3949 struct cli_state *ipc_cli,
3950 POLICY_HND *pol,
3951 BOOL numeric,
3952 char *str)
3953 {
3954 const char *p = str;
3955 fstring tok;
3956 SEC_DESC *ret = NULL;
3957 size_t sd_size;
3958 DOM_SID *grp_sid=NULL;
3959 DOM_SID *owner_sid=NULL;
3960 SEC_ACL *dacl=NULL;
3961 int revision=1;
3962
3963 while (next_token(&p, tok, "\t,\r\n", sizeof(tok))) {
3964
3965 if (StrnCaseCmp(tok,"REVISION:", 9) == 0) {
3966 revision = strtol(tok+9, NULL, 16);
3967 continue;
3968 }
3969
3970 if (StrnCaseCmp(tok,"OWNER:", 6) == 0) {
3971 if (owner_sid) {
3972 DEBUG(5, ("OWNER specified more than once!\n"));
3973 goto done;
3974 }
3975 owner_sid = SMB_CALLOC_ARRAY(DOM_SID, 1);
3976 if (!owner_sid ||
3977 !convert_string_to_sid(ipc_cli, pol,
3978 numeric,
3979 owner_sid, tok+6)) {
3980 DEBUG(5, ("Failed to parse owner sid\n"));
3981 goto done;
3982 }
3983 continue;
3984 }
3985
3986 if (StrnCaseCmp(tok,"OWNER+:", 7) == 0) {
3987 if (owner_sid) {
3988 DEBUG(5, ("OWNER specified more than once!\n"));
3989 goto done;
3990 }
3991 owner_sid = SMB_CALLOC_ARRAY(DOM_SID, 1);
3992 if (!owner_sid ||
3993 !convert_string_to_sid(ipc_cli, pol,
3994 False,
3995 owner_sid, tok+7)) {
3996 DEBUG(5, ("Failed to parse owner sid\n"));
3997 goto done;
3998 }
3999 continue;
4000 }
4001
4002 if (StrnCaseCmp(tok,"GROUP:", 6) == 0) {
4003 if (grp_sid) {
4004 DEBUG(5, ("GROUP specified more than once!\n"));
4005 goto done;
4006 }
4007 grp_sid = SMB_CALLOC_ARRAY(DOM_SID, 1);
4008 if (!grp_sid ||
4009 !convert_string_to_sid(ipc_cli, pol,
4010 numeric,
4011 grp_sid, tok+6)) {
4012 DEBUG(5, ("Failed to parse group sid\n"));
4013 goto done;
4014 }
4015 continue;
4016 }
4017
4018 if (StrnCaseCmp(tok,"GROUP+:", 7) == 0) {
4019 if (grp_sid) {
4020 DEBUG(5, ("GROUP specified more than once!\n"));
4021 goto done;
4022 }
4023 grp_sid = SMB_CALLOC_ARRAY(DOM_SID, 1);
4024 if (!grp_sid ||
4025 !convert_string_to_sid(ipc_cli, pol,
4026 False,
4027 grp_sid, tok+6)) {
4028 DEBUG(5, ("Failed to parse group sid\n"));
4029 goto done;
4030 }
4031 continue;
4032 }
4033
4034 if (StrnCaseCmp(tok,"ACL:", 4) == 0) {
4035 SEC_ACE ace;
4036 if (!parse_ace(ipc_cli, pol, &ace, numeric, tok+4)) {
4037 DEBUG(5, ("Failed to parse ACL %s\n", tok));
4038 goto done;
4039 }
4040 if(!add_ace(&dacl, &ace, ctx)) {
4041 DEBUG(5, ("Failed to add ACL %s\n", tok));
4042 goto done;
4043 }
4044 continue;
4045 }
4046
4047 if (StrnCaseCmp(tok,"ACL+:", 5) == 0) {
4048 SEC_ACE ace;
4049 if (!parse_ace(ipc_cli, pol, &ace, False, tok+5)) {
4050 DEBUG(5, ("Failed to parse ACL %s\n", tok));
4051 goto done;
4052 }
4053 if(!add_ace(&dacl, &ace, ctx)) {
4054 DEBUG(5, ("Failed to add ACL %s\n", tok));
4055 goto done;
4056 }
4057 continue;
4058 }
4059
4060 DEBUG(5, ("Failed to parse security descriptor\n"));
4061 goto done;
4062 }
4063
4064 ret = make_sec_desc(ctx, revision, SEC_DESC_SELF_RELATIVE,
4065 owner_sid, grp_sid, NULL, dacl, &sd_size);
4066
4067 done:
4068 SAFE_FREE(grp_sid);
4069 SAFE_FREE(owner_sid);
4070
4071 return ret;
4072 }
4073
4074
4075 /* Obtain the current dos attributes */
4076 static DOS_ATTR_DESC *
4077 dos_attr_query(SMBCCTX *context,
4078 TALLOC_CTX *ctx,
4079 const char *filename,
4080 SMBCSRV *srv)
4081 {
4082 time_t m_time = 0, a_time = 0, c_time = 0;
4083 SMB_OFF_T size = 0;
4084 uint16 mode = 0;
4085 SMB_INO_T inode = 0;
4086 DOS_ATTR_DESC *ret;
4087
4088 ret = TALLOC_P(ctx, DOS_ATTR_DESC);
4089 if (!ret) {
4090 errno = ENOMEM;
4091 return NULL;
4092 }
4093
4094 /* Obtain the DOS attributes */
4095 if (!smbc_getatr(context, srv, CONST_DISCARD(char *, filename),
4096 &mode, &size,
4097 &c_time, &a_time, &m_time, &inode)) {
4098
4099 errno = smbc_errno(context, srv->cli);
4100 DEBUG(5, ("dos_attr_query Failed to query old attributes\n"));
4101 return NULL;
4102
4103 }
4104
4105 ret->mode = mode;
4106 ret->size = size;
4107 ret->a_time = a_time;
4108 ret->c_time = c_time;
4109 ret->m_time = m_time;
4110 ret->inode = inode;
4111
4112 return ret;
4113 }
4114
4115
4116 /* parse a ascii version of a security descriptor */
4117 static void
4118 dos_attr_parse(SMBCCTX *context,
4119 DOS_ATTR_DESC *dad,
4120 SMBCSRV *srv,
4121 char *str)
4122 {
4123 const char *p = str;
4124 fstring tok;
4125
4126 while (next_token(&p, tok, "\t,\r\n", sizeof(tok))) {
4127
4128 if (StrnCaseCmp(tok, "MODE:", 5) == 0) {
4129 dad->mode = strtol(tok+5, NULL, 16);
4130 continue;
4131 }
4132
4133 if (StrnCaseCmp(tok, "SIZE:", 5) == 0) {
4134 dad->size = (SMB_OFF_T)atof(tok+5);
4135 continue;
4136 }
4137
4138 if (StrnCaseCmp(tok, "A_TIME:", 7) == 0) {
4139 dad->a_time = (time_t)strtol(tok+7, NULL, 10);
4140 continue;
4141 }
4142
4143 if (StrnCaseCmp(tok, "C_TIME:", 7) == 0) {
4144 dad->c_time = (time_t)strtol(tok+7, NULL, 10);
4145 continue;
4146 }
4147
4148 if (StrnCaseCmp(tok, "M_TIME:", 7) == 0) {
4149 dad->m_time = (time_t)strtol(tok+7, NULL, 10);
4150 continue;
4151 }
4152
4153 if (StrnCaseCmp(tok, "INODE:", 6) == 0) {
4154 dad->inode = (SMB_INO_T)atof(tok+6);
4155 continue;
4156 }
4157 }
4158 }
4159
4160 /*****************************************************
4161 Retrieve the acls for a file.
4162 *******************************************************/
4163
4164 static int
4165 cacl_get(SMBCCTX *context,
4166 TALLOC_CTX *ctx,
4167 SMBCSRV *srv,
4168 struct cli_state *ipc_cli,
4169 POLICY_HND *pol,
4170 char *filename,
4171 char *attr_name,
4172 char *buf,
4173 int bufsize)
4174 {
4175 uint32 i;
4176 int n = 0;
4177 int n_used;
4178 BOOL all;
4179 BOOL all_nt;
4180 BOOL all_nt_acls;
4181 BOOL all_dos;
4182 BOOL some_nt;
4183 BOOL some_dos;
4184 BOOL exclude_nt_revision = False;
4185 BOOL exclude_nt_owner = False;
4186 BOOL exclude_nt_group = False;
4187 BOOL exclude_nt_acl = False;
4188 BOOL exclude_dos_mode = False;
4189 BOOL exclude_dos_size = False;
4190 BOOL exclude_dos_ctime = False;
4191 BOOL exclude_dos_atime = False;
4192 BOOL exclude_dos_mtime = False;
4193 BOOL exclude_dos_inode = False;
4194 BOOL numeric = True;
4195 BOOL determine_size = (bufsize == 0);
4196 int fnum = -1;
4197 SEC_DESC *sd;
4198 fstring sidstr;
4199 fstring name_sandbox;
4200 char *name;
4201 char *pExclude;
4202 char *p;
4203 time_t m_time = 0, a_time = 0, c_time = 0;
4204 SMB_OFF_T size = 0;
4205 uint16 mode = 0;
4206 SMB_INO_T ino = 0;
4207 struct cli_state *cli = srv->cli;
4208
4209 /* Copy name so we can strip off exclusions (if any are specified) */
4210 strncpy(name_sandbox, attr_name, sizeof(name_sandbox) - 1);
4211
4212 /* Ensure name is null terminated */
4213 name_sandbox[sizeof(name_sandbox) - 1] = '\0';
4214
4215 /* Play in the sandbox */
4216 name = name_sandbox;
4217
4218 /* If there are any exclusions, point to them and mask them from name */
4219 if ((pExclude = strchr(name, '!')) != NULL)
4220 {
4221 *pExclude++ = '\0';
4222 }
4223
4224 all = (StrnCaseCmp(name, "system.*", 8) == 0);
4225 all_nt = (StrnCaseCmp(name, "system.nt_sec_desc.*", 20) == 0);
4226 all_nt_acls = (StrnCaseCmp(name, "system.nt_sec_desc.acl.*", 24) == 0);
4227 all_dos = (StrnCaseCmp(name, "system.dos_attr.*", 17) == 0);
4228 some_nt = (StrnCaseCmp(name, "system.nt_sec_desc.", 19) == 0);
4229 some_dos = (StrnCaseCmp(name, "system.dos_attr.", 16) == 0);
4230 numeric = (* (name + strlen(name) - 1) != '+');
4231
4232 /* Look for exclusions from "all" requests */
4233 if (all || all_nt || all_dos) {
4234
4235 /* Exclusions are delimited by '!' */
4236 for (;
4237 pExclude != NULL;
4238 pExclude = (p == NULL ? NULL : p + 1)) {
4239
4240 /* Find end of this exclusion name */
4241 if ((p = strchr(pExclude, '!')) != NULL)
4242 {
4243 *p = '\0';
4244 }
4245
4246 /* Which exclusion name is this? */
4247 if (StrCaseCmp(pExclude, "nt_sec_desc.revision") == 0) {
4248 exclude_nt_revision = True;
4249 }
4250 else if (StrCaseCmp(pExclude, "nt_sec_desc.owner") == 0) {
4251 exclude_nt_owner = True;
4252 }
4253 else if (StrCaseCmp(pExclude, "nt_sec_desc.group") == 0) {
4254 exclude_nt_group = True;
4255 }
4256 else if (StrCaseCmp(pExclude, "nt_sec_desc.acl") == 0) {
4257 exclude_nt_acl = True;
4258 }
4259 else if (StrCaseCmp(pExclude, "dos_attr.mode") == 0) {
4260 exclude_dos_mode = True;
4261 }
4262 else if (StrCaseCmp(pExclude, "dos_attr.size") == 0) {
4263 exclude_dos_size = True;
4264 }
4265 else if (StrCaseCmp(pExclude, "dos_attr.c_time") == 0) {
4266 exclude_dos_ctime = True;
4267 }
4268 else if (StrCaseCmp(pExclude, "dos_attr.a_time") == 0) {
4269 exclude_dos_atime = True;
4270 }
4271 else if (StrCaseCmp(pExclude, "dos_attr.m_time") == 0) {
4272 exclude_dos_mtime = True;
4273 }
4274 else if (StrCaseCmp(pExclude, "dos_attr.inode") == 0) {
4275 exclude_dos_inode = True;
4276 }
4277 else {
4278 DEBUG(5, ("cacl_get received unknown exclusion: %s\n",
4279 pExclude));
4280 errno = ENOATTR;
4281 return -1;
4282 }
4283 }
4284 }
4285
4286 n_used = 0;
4287
4288 /*
4289 * If we are (possibly) talking to an NT or new system and some NT
4290 * attributes have been requested...
4291 */
4292 if (ipc_cli && (all || some_nt || all_nt_acls)) {
4293 /* Point to the portion after "system.nt_sec_desc." */
4294 name += 19; /* if (all) this will be invalid but unused */
4295
4296 /* ... then obtain any NT attributes which were requested */
4297 fnum = cli_nt_create(cli, filename, CREATE_ACCESS_READ);
4298
4299 if (fnum == -1) {
4300 DEBUG(5, ("cacl_get failed to open %s: %s\n",
4301 filename, cli_errstr(cli)));
4302 errno = 0;
4303 return -1;
4304 }
4305
4306 sd = cli_query_secdesc(cli, fnum, ctx);
4307
4308 if (!sd) {
4309 DEBUG(5,
4310 ("cacl_get Failed to query old descriptor\n"));
4311 errno = 0;
4312 return -1;
4313 }
4314
4315 cli_close(cli, fnum);
4316
4317 if (! exclude_nt_revision) {
4318 if (all || all_nt) {
4319 if (determine_size) {
4320 p = talloc_asprintf(ctx,
4321 "REVISION:%d",
4322 sd->revision);
4323 if (!p) {
4324 errno = ENOMEM;
4325 return -1;
4326 }
4327 n = strlen(p);
4328 } else {
4329 n = snprintf(buf, bufsize,
4330 "REVISION:%d",
4331 sd->revision);
4332 }
4333 } else if (StrCaseCmp(name, "revision") == 0) {
4334 if (determine_size) {
4335 p = talloc_asprintf(ctx, "%d",
4336 sd->revision);
4337 if (!p) {
4338 errno = ENOMEM;
4339 return -1;
4340 }
4341 n = strlen(p);
4342 } else {
4343 n = snprintf(buf, bufsize, "%d",
4344 sd->revision);
4345 }
4346 }
4347
4348 if (!determine_size && n > bufsize) {
4349 errno = ERANGE;
4350 return -1;
4351 }
4352 buf += n;
4353 n_used += n;
4354 bufsize -= n;
4355 }
4356
4357 if (! exclude_nt_owner) {
4358 /* Get owner and group sid */
4359 if (sd->owner_sid) {
4360 convert_sid_to_string(ipc_cli, pol,
4361 sidstr,
4362 numeric,
4363 sd->owner_sid);
4364 } else {
4365 fstrcpy(sidstr, "");
4366 }
4367
4368 if (all || all_nt) {
4369 if (determine_size) {
4370 p = talloc_asprintf(ctx, ",OWNER:%s",
4371 sidstr);
4372 if (!p) {
4373 errno = ENOMEM;
4374 return -1;
4375 }
4376 n = strlen(p);
4377 } else {
4378 n = snprintf(buf, bufsize,
4379 ",OWNER:%s", sidstr);
4380 }
4381 } else if (StrnCaseCmp(name, "owner", 5) == 0) {
4382 if (determine_size) {
4383 p = talloc_asprintf(ctx, "%s", sidstr);
4384 if (!p) {
4385 errno = ENOMEM;
4386 return -1;
4387 }
4388 n = strlen(p);
4389 } else {
4390 n = snprintf(buf, bufsize, "%s",
4391 sidstr);
4392 }
4393 }
4394
4395 if (!determine_size && n > bufsize) {
4396 errno = ERANGE;
4397 return -1;
4398 }
4399 buf += n;
4400 n_used += n;
4401 bufsize -= n;
4402 }
4403
4404 if (! exclude_nt_group) {
4405 if (sd->grp_sid) {
4406 convert_sid_to_string(ipc_cli, pol,
4407 sidstr, numeric,
4408 sd->grp_sid);
4409 } else {
4410 fstrcpy(sidstr, "");
4411 }
4412
4413 if (all || all_nt) {
4414 if (determine_size) {
4415 p = talloc_asprintf(ctx, ",GROUP:%s",
4416 sidstr);
4417 if (!p) {
4418 errno = ENOMEM;
4419 return -1;
4420 }
4421 n = strlen(p);
4422 } else {
4423 n = snprintf(buf, bufsize,
4424 ",GROUP:%s", sidstr);
4425 }
4426 } else if (StrnCaseCmp(name, "group", 5) == 0) {
4427 if (determine_size) {
4428 p = talloc_asprintf(ctx, "%s", sidstr);
4429 if (!p) {
4430 errno = ENOMEM;
4431 return -1;
4432 }
4433 n = strlen(p);
4434 } else {
4435 n = snprintf(buf, bufsize,
4436 "%s", sidstr);
4437 }
4438 }
4439
4440 if (!determine_size && n > bufsize) {
4441 errno = ERANGE;
4442 return -1;
4443 }
4444 buf += n;
4445 n_used += n;
4446 bufsize -= n;
4447 }
4448
4449 if (! exclude_nt_acl) {
4450 /* Add aces to value buffer */
4451 for (i = 0; sd->dacl && i < sd->dacl->num_aces; i++) {
4452
4453 SEC_ACE *ace = &sd->dacl->ace[i];
4454 convert_sid_to_string(ipc_cli, pol,
4455 sidstr, numeric,
4456 &ace->trustee);
4457
4458 if (all || all_nt) {
4459 if (determine_size) {
4460 p = talloc_asprintf(
4461 ctx,
4462 ",ACL:"
4463 "%s:%d/%d/0x%08x",
4464 sidstr,
4465 ace->type,
4466 ace->flags,
4467 ace->info.mask);
4468 if (!p) {
4469 errno = ENOMEM;
4470 return -1;
4471 }
4472 n = strlen(p);
4473 } else {
4474 n = snprintf(
4475 buf, bufsize,
4476 ",ACL:%s:%d/%d/0x%08x",
4477 sidstr,
4478 ace->type,
4479 ace->flags,
4480 ace->info.mask);
4481 }
4482 } else if ((StrnCaseCmp(name, "acl", 3) == 0 &&
4483 StrCaseCmp(name+3, sidstr) == 0) ||
4484 (StrnCaseCmp(name, "acl+", 4) == 0 &&
4485 StrCaseCmp(name+4, sidstr) == 0)) {
4486 if (determine_size) {
4487 p = talloc_asprintf(
4488 ctx,
4489 "%d/%d/0x%08x",
4490 ace->type,
4491 ace->flags,
4492 ace->info.mask);
4493 if (!p) {
4494 errno = ENOMEM;
4495 return -1;
4496 }
4497 n = strlen(p);
4498 } else {
4499 n = snprintf(buf, bufsize,
4500 "%d/%d/0x%08x",
4501 ace->type,
4502 ace->flags,
4503 ace->info.mask);
4504 }
4505 } else if (all_nt_acls) {
4506 if (determine_size) {
4507 p = talloc_asprintf(
4508 ctx,
4509 "%s%s:%d/%d/0x%08x",
4510 i ? "," : "",
4511 sidstr,
4512 ace->type,
4513 ace->flags,
4514 ace->info.mask);
4515 if (!p) {
4516 errno = ENOMEM;
4517 return -1;
4518 }
4519 n = strlen(p);
4520 } else {
4521 n = snprintf(buf, bufsize,
4522 "%s%s:%d/%d/0x%08x",
4523 i ? "," : "",
4524 sidstr,
4525 ace->type,
4526 ace->flags,
4527 ace->info.mask);
4528 }
4529 }
4530 if (n > bufsize) {
4531 errno = ERANGE;
4532 return -1;
4533 }
4534 buf += n;
4535 n_used += n;
4536 bufsize -= n;
4537 }
4538 }
4539
4540 /* Restore name pointer to its original value */
4541 name -= 19;
4542 }
4543
4544 if (all || some_dos) {
4545 /* Point to the portion after "system.dos_attr." */
4546 name += 16; /* if (all) this will be invalid but unused */
4547
4548 /* Obtain the DOS attributes */
4549 if (!smbc_getatr(context, srv, filename, &mode, &size,
4550 &c_time, &a_time, &m_time, &ino)) {
4551
4552 errno = smbc_errno(context, srv->cli);
4553 return -1;
4554
4555 }
4556
4557 if (! exclude_dos_mode) {
4558 if (all || all_dos) {
4559 if (determine_size) {
4560 p = talloc_asprintf(ctx,
4561 "%sMODE:0x%x",
4562 (ipc_cli &&
4563 (all || some_nt)
4564 ? ","
4565 : ""),
4566 mode);
4567 if (!p) {
4568 errno = ENOMEM;
4569 return -1;
4570 }
4571 n = strlen(p);
4572 } else {
4573 n = snprintf(buf, bufsize,
4574 "%sMODE:0x%x",
4575 (ipc_cli &&
4576 (all || some_nt)
4577 ? ","
4578 : ""),
4579 mode);
4580 }
4581 } else if (StrCaseCmp(name, "mode") == 0) {
4582 if (determine_size) {
4583 p = talloc_asprintf(ctx, "0x%x", mode);
4584 if (!p) {
4585 errno = ENOMEM;
4586 return -1;
4587 }
4588 n = strlen(p);
4589 } else {
4590 n = snprintf(buf, bufsize,
4591 "0x%x", mode);
4592 }
4593 }
4594
4595 if (!determine_size && n > bufsize) {
4596 errno = ERANGE;
4597 return -1;
4598 }
4599 buf += n;
4600 n_used += n;
4601 bufsize -= n;
4602 }
4603
4604 if (! exclude_dos_size) {
4605 if (all || all_dos) {
4606 if (determine_size) {
4607 p = talloc_asprintf(
4608 ctx,
4609 ",SIZE:%.0f",
4610 (double)size);
4611 if (!p) {
4612 errno = ENOMEM;
4613 return -1;
4614 }
4615 n = strlen(p);
4616 } else {
4617 n = snprintf(buf, bufsize,
4618 ",SIZE:%.0f",
4619 (double)size);
4620 }
4621 } else if (StrCaseCmp(name, "size") == 0) {
4622 if (determine_size) {
4623 p = talloc_asprintf(
4624 ctx,
4625 "%.0f",
4626 (double)size);
4627 if (!p) {
4628 errno = ENOMEM;
4629 return -1;
4630 }
4631 n = strlen(p);
4632 } else {
4633 n = snprintf(buf, bufsize,
4634 "%.0f",
4635 (double)size);
4636 }
4637 }
4638
4639 if (!determine_size && n > bufsize) {
4640 errno = ERANGE;
4641 return -1;
4642 }
4643 buf += n;
4644 n_used += n;
4645 bufsize -= n;
4646 }
4647
4648 if (! exclude_dos_ctime) {
4649 if (all || all_dos) {
4650 if (determine_size) {
4651 p = talloc_asprintf(ctx,
4652 ",C_TIME:%lu",
4653 c_time);
4654 if (!p) {
4655 errno = ENOMEM;
4656 return -1;
4657 }
4658 n = strlen(p);
4659 } else {
4660 n = snprintf(buf, bufsize,
4661 ",C_TIME:%lu", c_time);
4662 }
4663 } else if (StrCaseCmp(name, "c_time") == 0) {
4664 if (determine_size) {
4665 p = talloc_asprintf(ctx, "%lu", c_time);
4666 if (!p) {
4667 errno = ENOMEM;
4668 return -1;
4669 }
4670 n = strlen(p);
4671 } else {
4672 n = snprintf(buf, bufsize,
4673 "%lu", c_time);
4674 }
4675 }
4676
4677 if (!determine_size && n > bufsize) {
4678 errno = ERANGE;
4679 return -1;
4680 }
4681 buf += n;
4682 n_used += n;
4683 bufsize -= n;
4684 }
4685
4686 if (! exclude_dos_atime) {
4687 if (all || all_dos) {
4688 if (determine_size) {
4689 p = talloc_asprintf(ctx,
4690 ",A_TIME:%lu",
4691 a_time);
4692 if (!p) {
4693 errno = ENOMEM;
4694 return -1;
4695 }
4696 n = strlen(p);
4697 } else {
4698 n = snprintf(buf, bufsize,
4699 ",A_TIME:%lu", a_time);
4700 }
4701 } else if (StrCaseCmp(name, "a_time") == 0) {
4702 if (determine_size) {
4703 p = talloc_asprintf(ctx, "%lu", a_time);
4704 if (!p) {
4705 errno = ENOMEM;
4706 return -1;
4707 }
4708 n = strlen(p);
4709 } else {
4710 n = snprintf(buf, bufsize,
4711 "%lu", a_time);
4712 }
4713 }
4714
4715 if (!determine_size && n > bufsize) {
4716 errno = ERANGE;
4717 return -1;
4718 }
4719 buf += n;
4720 n_used += n;
4721 bufsize -= n;
4722 }
4723
4724 if (! exclude_dos_mtime) {
4725 if (all || all_dos) {
4726 if (determine_size) {
4727 p = talloc_asprintf(ctx,
4728 ",M_TIME:%lu",
4729 m_time);
4730 if (!p) {
4731 errno = ENOMEM;
4732 return -1;
4733 }
4734 n = strlen(p);
4735 } else {
4736 n = snprintf(buf, bufsize,
4737 ",M_TIME:%lu", m_time);
4738 }
4739 } else if (StrCaseCmp(name, "m_time") == 0) {
4740 if (determine_size) {
4741 p = talloc_asprintf(ctx, "%lu", m_time);
4742 if (!p) {
4743 errno = ENOMEM;
4744 return -1;
4745 }
4746 n = strlen(p);
4747 } else {
4748 n = snprintf(buf, bufsize,
4749 "%lu", m_time);
4750 }
4751 }
4752
4753 if (!determine_size && n > bufsize) {
4754 errno = ERANGE;
4755 return -1;
4756 }
4757 buf += n;
4758 n_used += n;
4759 bufsize -= n;
4760 }
4761
4762 if (! exclude_dos_inode) {
4763 if (all || all_dos) {
4764 if (determine_size) {
4765 p = talloc_asprintf(
4766 ctx,
4767 ",INODE:%.0f",
4768 (double)ino);
4769 if (!p) {
4770 errno = ENOMEM;
4771 return -1;
4772 }
4773 n = strlen(p);
4774 } else {
4775 n = snprintf(buf, bufsize,
4776 ",INODE:%.0f",
4777 (double) ino);
4778 }
4779 } else if (StrCaseCmp(name, "inode") == 0) {
4780 if (determine_size) {
4781 p = talloc_asprintf(
4782 ctx,
4783 "%.0f",
4784 (double) ino);
4785 if (!p) {
4786 errno = ENOMEM;
4787 return -1;
4788 }
4789 n = strlen(p);
4790 } else {
4791 n = snprintf(buf, bufsize,
4792 "%.0f",
4793 (double) ino);
4794 }
4795 }
4796
4797 if (!determine_size && n > bufsize) {
4798 errno = ERANGE;
4799 return -1;
4800 }
4801 buf += n;
4802 n_used += n;
4803 bufsize -= n;
4804 }
4805
4806 /* Restore name pointer to its original value */
4807 name -= 16;
4808 }
4809
4810 if (n_used == 0) {
4811 errno = ENOATTR;
4812 return -1;
4813 }
4814
4815 return n_used;
4816 }
4817
4818
4819 /*****************************************************
4820 set the ACLs on a file given an ascii description
4821 *******************************************************/
4822 static int
4823 cacl_set(TALLOC_CTX *ctx,
4824 struct cli_state *cli,
4825 struct cli_state *ipc_cli,
4826 POLICY_HND *pol,
4827 const char *filename,
4828 const char *the_acl,
4829 int mode,
4830 int flags)
4831 {
4832 int fnum;
4833 int err = 0;
4834 SEC_DESC *sd = NULL, *old;
4835 SEC_ACL *dacl = NULL;
4836 DOM_SID *owner_sid = NULL;
4837 DOM_SID *grp_sid = NULL;
4838 uint32 i, j;
4839 size_t sd_size;
4840 int ret = 0;
4841 char *p;
4842 BOOL numeric = True;
4843
4844 /* the_acl will be null for REMOVE_ALL operations */
4845 if (the_acl) {
4846 numeric = ((p = strchr(the_acl, ':')) != NULL &&
4847 p > the_acl &&
4848 p[-1] != '+');
4849
4850 /* if this is to set the entire ACL... */
4851 if (*the_acl == '*') {
4852 /* ... then increment past the first colon */
4853 the_acl = p + 1;
4854 }
4855
4856 sd = sec_desc_parse(ctx, ipc_cli, pol, numeric,
4857 CONST_DISCARD(char *, the_acl));
4858
4859 if (!sd) {
4860 errno = EINVAL;
4861 return -1;
4862 }
4863 }
4864
4865 /* SMBC_XATTR_MODE_REMOVE_ALL is the only caller
4866 that doesn't deref sd */
4867
4868 if (!sd && (mode != SMBC_XATTR_MODE_REMOVE_ALL)) {
4869 errno = EINVAL;
4870 return -1;
4871 }
4872
4873 /* The desired access below is the only one I could find that works
4874 with NT4, W2KP and Samba */
4875
4876 fnum = cli_nt_create(cli, filename, CREATE_ACCESS_READ);
4877
4878 if (fnum == -1) {
4879 DEBUG(5, ("cacl_set failed to open %s: %s\n",
4880 filename, cli_errstr(cli)));
4881 errno = 0;
4882 return -1;
4883 }
4884
4885 old = cli_query_secdesc(cli, fnum, ctx);
4886
4887 if (!old) {
4888 DEBUG(5, ("cacl_set Failed to query old descriptor\n"));
4889 errno = 0;
4890 return -1;
4891 }
4892
4893 cli_close(cli, fnum);
4894
4895 switch (mode) {
4896 case SMBC_XATTR_MODE_REMOVE_ALL:
4897 old->dacl->num_aces = 0;
4898 SAFE_FREE(old->dacl->ace);
4899 SAFE_FREE(old->dacl);
4900 old->off_dacl = 0;
4901 dacl = old->dacl;
4902 break;
4903
4904 case SMBC_XATTR_MODE_REMOVE:
4905 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
4906 BOOL found = False;
4907
4908 for (j=0;old->dacl && j<old->dacl->num_aces;j++) {
4909 if (sec_ace_equal(&sd->dacl->ace[i],
4910 &old->dacl->ace[j])) {
4911 uint32 k;
4912 for (k=j; k<old->dacl->num_aces-1;k++) {
4913 old->dacl->ace[k] =
4914 old->dacl->ace[k+1];
4915 }
4916 old->dacl->num_aces--;
4917 if (old->dacl->num_aces == 0) {
4918 SAFE_FREE(old->dacl->ace);
4919 SAFE_FREE(old->dacl);
4920 old->off_dacl = 0;
4921 }
4922 found = True;
4923 dacl = old->dacl;
4924 break;
4925 }
4926 }
4927
4928 if (!found) {
4929 err = ENOATTR;
4930 ret = -1;
4931 goto failed;
4932 }
4933 }
4934 break;
4935
4936 case SMBC_XATTR_MODE_ADD:
4937 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
4938 BOOL found = False;
4939
4940 for (j=0;old->dacl && j<old->dacl->num_aces;j++) {
4941 if (sid_equal(&sd->dacl->ace[i].trustee,
4942 &old->dacl->ace[j].trustee)) {
4943 if (!(flags & SMBC_XATTR_FLAG_CREATE)) {
4944 err = EEXIST;
4945 ret = -1;
4946 goto failed;
4947 }
4948 old->dacl->ace[j] = sd->dacl->ace[i];
4949 ret = -1;
4950 found = True;
4951 }
4952 }
4953
4954 if (!found && (flags & SMBC_XATTR_FLAG_REPLACE)) {
4955 err = ENOATTR;
4956 ret = -1;
4957 goto failed;
4958 }
4959
4960 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
4961 add_ace(&old->dacl, &sd->dacl->ace[i], ctx);
4962 }
4963 }
4964 dacl = old->dacl;
4965 break;
4966
4967 case SMBC_XATTR_MODE_SET:
4968 old = sd;
4969 owner_sid = old->owner_sid;
4970 grp_sid = old->grp_sid;
4971 dacl = old->dacl;
4972 break;
4973
4974 case SMBC_XATTR_MODE_CHOWN:
4975 owner_sid = sd->owner_sid;
4976 break;
4977
4978 case SMBC_XATTR_MODE_CHGRP:
4979 grp_sid = sd->grp_sid;
4980 break;
4981 }
4982
4983 /* Denied ACE entries must come before allowed ones */
4984 sort_acl(old->dacl);
4985
4986 /* Create new security descriptor and set it */
4987 sd = make_sec_desc(ctx, old->revision, SEC_DESC_SELF_RELATIVE,
4988 owner_sid, grp_sid, NULL, dacl, &sd_size);
4989
4990 fnum = cli_nt_create(cli, filename,
4991 WRITE_DAC_ACCESS | WRITE_OWNER_ACCESS);
4992
4993 if (fnum == -1) {
4994 DEBUG(5, ("cacl_set failed to open %s: %s\n",
4995 filename, cli_errstr(cli)));
4996 errno = 0;
4997 return -1;
4998 }
4999
5000 if (!cli_set_secdesc(cli, fnum, sd)) {
5001 DEBUG(5, ("ERROR: secdesc set failed: %s\n", cli_errstr(cli)));
5002 ret = -1;
5003 }
5004
5005 /* Clean up */
5006
5007 failed:
5008 cli_close(cli, fnum);
5009
5010 if (err != 0) {
5011 errno = err;
5012 }
5013
5014 return ret;
5015 }
5016
5017
5018 static int
5019 smbc_setxattr_ctx(SMBCCTX *context,
5020 const char *fname,
5021 const char *name,
5022 const void *value,
5023 size_t size,
5024 int flags)
5025 {
5026 int ret;
5027 int ret2;
5028 SMBCSRV *srv;
5029 SMBCSRV *ipc_srv;
5030 fstring server;
5031 fstring share;
5032 fstring user;
5033 fstring password;
5034 fstring workgroup;
5035 pstring path;
5036 TALLOC_CTX *ctx;
5037 POLICY_HND pol;
5038 DOS_ATTR_DESC *dad;
5039
5040 if (!context || !context->internal ||
5041 !context->internal->_initialized) {
5042
5043 errno = EINVAL; /* Best I can think of ... */
5044 return -1;
5045
5046 }
5047
5048 if (!fname) {
5049
5050 errno = EINVAL;
5051 return -1;
5052
5053 }
5054
5055 DEBUG(4, ("smbc_setxattr(%s, %s, %.*s)\n",
5056 fname, name, (int) size, (const char*)value));
5057
5058 if (smbc_parse_path(context, fname,
5059 workgroup, sizeof(workgroup),
5060 server, sizeof(server),
5061 share, sizeof(share),
5062 path, sizeof(path),
5063 user, sizeof(user),
5064 password, sizeof(password),
5065 NULL, 0)) {
5066 errno = EINVAL;
5067 return -1;
5068 }
5069
5070 if (user[0] == (char)0) fstrcpy(user, context->user);
5071
5072 srv = smbc_server(context, True,
5073 server, share, workgroup, user, password);
5074 if (!srv) {
5075 return -1; /* errno set by smbc_server */
5076 }
5077
5078 if (! srv->no_nt_session) {
5079 ipc_srv = smbc_attr_server(context, server, share,
5080 workgroup, user, password,
5081 &pol);
5082 srv->no_nt_session = True;
5083 } else {
5084 ipc_srv = NULL;
5085 }
5086
5087 ctx = talloc_init("smbc_setxattr");
5088 if (!ctx) {
5089 errno = ENOMEM;
5090 return -1;
5091 }
5092
5093 /*
5094 * Are they asking to set the entire set of known attributes?
5095 */
5096 if (StrCaseCmp(name, "system.*") == 0 ||
5097 StrCaseCmp(name, "system.*+") == 0) {
5098 /* Yup. */
5099 char *namevalue =
5100 talloc_asprintf(ctx, "%s:%s",
5101 name+7, (const char *) value);
5102 if (! namevalue) {
5103 errno = ENOMEM;
5104 ret = -1;
5105 return -1;
5106 }
5107
5108 if (ipc_srv) {
5109 ret = cacl_set(ctx, srv->cli,
5110 ipc_srv->cli, &pol, path,
5111 namevalue,
5112 (*namevalue == '*'
5113 ? SMBC_XATTR_MODE_SET
5114 : SMBC_XATTR_MODE_ADD),
5115 flags);
5116 } else {
5117 ret = 0;
5118 }
5119
5120 /* get a DOS Attribute Descriptor with current attributes */
5121 dad = dos_attr_query(context, ctx, path, srv);
5122 if (dad) {
5123 /* Overwrite old with new, using what was provided */
5124 dos_attr_parse(context, dad, srv, namevalue);
5125
5126 /* Set the new DOS attributes */
5127 if (! smbc_setatr(context, srv, path,
5128 dad->c_time,
5129 dad->a_time,
5130 dad->m_time,
5131 dad->mode)) {
5132
5133 /* cause failure if NT failed too */
5134 dad = NULL;
5135 }
5136 }
5137
5138 /* we only fail if both NT and DOS sets failed */
5139 if (ret < 0 && ! dad) {
5140 ret = -1; /* in case dad was null */
5141 }
5142 else {
5143 ret = 0;
5144 }
5145
5146 talloc_destroy(ctx);
5147 return ret;
5148 }
5149
5150 /*
5151 * Are they asking to set an access control element or to set
5152 * the entire access control list?
5153 */
5154 if (StrCaseCmp(name, "system.nt_sec_desc.*") == 0 ||
5155 StrCaseCmp(name, "system.nt_sec_desc.*+") == 0 ||
5156 StrCaseCmp(name, "system.nt_sec_desc.revision") == 0 ||
5157 StrnCaseCmp(name, "system.nt_sec_desc.acl", 22) == 0 ||
5158 StrnCaseCmp(name, "system.nt_sec_desc.acl+", 23) == 0) {
5159
5160 /* Yup. */
5161 char *namevalue =
5162 talloc_asprintf(ctx, "%s:%s",
5163 name+19, (const char *) value);
5164
5165 if (! ipc_srv) {
5166 ret = -1; /* errno set by smbc_server() */
5167 }
5168 else if (! namevalue) {
5169 errno = ENOMEM;
5170 ret = -1;
5171 } else {
5172 ret = cacl_set(ctx, srv->cli,
5173 ipc_srv->cli, &pol, path,
5174 namevalue,
5175 (*namevalue == '*'
5176 ? SMBC_XATTR_MODE_SET
5177 : SMBC_XATTR_MODE_ADD),
5178 flags);
5179 }
5180 talloc_destroy(ctx);
5181 return ret;
5182 }
5183
5184 /*
5185 * Are they asking to set the owner?
5186 */
5187 if (StrCaseCmp(name, "system.nt_sec_desc.owner") == 0 ||
5188 StrCaseCmp(name, "system.nt_sec_desc.owner+") == 0) {
5189
5190 /* Yup. */
5191 char *namevalue =
5192 talloc_asprintf(ctx, "%s:%s",
5193 name+19, (const char *) value);
5194
5195 if (! ipc_srv) {
5196
5197 ret = -1; /* errno set by smbc_server() */
5198 }
5199 else if (! namevalue) {
5200 errno = ENOMEM;
5201 ret = -1;
5202 } else {
5203 ret = cacl_set(ctx, srv->cli,
5204 ipc_srv->cli, &pol, path,
5205 namevalue, SMBC_XATTR_MODE_CHOWN, 0);
5206 }
5207 talloc_destroy(ctx);
5208 return ret;
5209 }
5210
5211 /*
5212 * Are they asking to set the group?
5213 */
5214 if (StrCaseCmp(name, "system.nt_sec_desc.group") == 0 ||
5215 StrCaseCmp(name, "system.nt_sec_desc.group+") == 0) {
5216
5217 /* Yup. */
5218 char *namevalue =
5219 talloc_asprintf(ctx, "%s:%s",
5220 name+19, (const char *) value);
5221
5222 if (! ipc_srv) {
5223 /* errno set by smbc_server() */
5224 ret = -1;
5225 }
5226 else if (! namevalue) {
5227 errno = ENOMEM;
5228 ret = -1;
5229 } else {
5230 ret = cacl_set(ctx, srv->cli,
5231 ipc_srv->cli, &pol, path,
5232 namevalue, SMBC_XATTR_MODE_CHOWN, 0);
5233 }
5234 talloc_destroy(ctx);
5235 return ret;
5236 }
5237
5238 /*
5239 * Are they asking to set a DOS attribute?
5240 */
5241 if (StrCaseCmp(name, "system.dos_attr.*") == 0 ||
5242 StrCaseCmp(name, "system.dos_attr.mode") == 0 ||
5243 StrCaseCmp(name, "system.dos_attr.c_time") == 0 ||
5244 StrCaseCmp(name, "system.dos_attr.a_time") == 0 ||
5245 StrCaseCmp(name, "system.dos_attr.m_time") == 0) {
5246
5247 /* get a DOS Attribute Descriptor with current attributes */
5248 dad = dos_attr_query(context, ctx, path, srv);
5249 if (dad) {
5250 char *namevalue =
5251 talloc_asprintf(ctx, "%s:%s",
5252 name+16, (const char *) value);
5253 if (! namevalue) {
5254 errno = ENOMEM;
5255 ret = -1;
5256 } else {
5257 /* Overwrite old with provided new params */
5258 dos_attr_parse(context, dad, srv, namevalue);
5259
5260 /* Set the new DOS attributes */
5261 ret2 = smbc_setatr(context, srv, path,
5262 dad->c_time,
5263 dad->a_time,
5264 dad->m_time,
5265 dad->mode);
5266
5267 /* ret2 has True (success) / False (failure) */
5268 if (ret2) {
5269 ret = 0;
5270 } else {
5271 ret = -1;
5272 }
5273 }
5274 } else {
5275 ret = -1;
5276 }
5277
5278 talloc_destroy(ctx);
5279 return ret;
5280 }
5281
5282 /* Unsupported attribute name */
5283 talloc_destroy(ctx);
5284 errno = EINVAL;
5285 return -1;
5286 }
5287
5288 static int
5289 smbc_getxattr_ctx(SMBCCTX *context,
5290 const char *fname,
5291 const char *name,
5292 const void *value,
5293 size_t size)
5294 {
5295 int ret;
5296 SMBCSRV *srv;
5297 SMBCSRV *ipc_srv;
5298 fstring server;
5299 fstring share;
5300 fstring user;
5301 fstring password;
5302 fstring workgroup;
5303 pstring path;
5304 TALLOC_CTX *ctx;
5305 POLICY_HND pol;
5306
5307
5308 if (!context || !context->internal ||
5309 !context->internal->_initialized) {
5310
5311 errno = EINVAL; /* Best I can think of ... */
5312 return -1;
5313
5314 }
5315
5316 if (!fname) {
5317
5318 errno = EINVAL;
5319 return -1;
5320
5321 }
5322
5323 DEBUG(4, ("smbc_getxattr(%s, %s)\n", fname, name));
5324
5325 if (smbc_parse_path(context, fname,
5326 workgroup, sizeof(workgroup),
5327 server, sizeof(server),
5328 share, sizeof(share),
5329 path, sizeof(path),
5330 user, sizeof(user),
5331 password, sizeof(password),
5332 NULL, 0)) {
5333 errno = EINVAL;
5334 return -1;
5335 }
5336
5337 if (user[0] == (char)0) fstrcpy(user, context->user);
5338
5339 srv = smbc_server(context, True,
5340 server, share, workgroup, user, password);
5341 if (!srv) {
5342 return -1; /* errno set by smbc_server */
5343 }
5344
5345 if (! srv->no_nt_session) {
5346 ipc_srv = smbc_attr_server(context, server, share,
5347 workgroup, user, password,
5348 &pol);
5349 if (! ipc_srv) {
5350 srv->no_nt_session = True;
5351 }
5352 } else {
5353 ipc_srv = NULL;
5354 }
5355
5356 ctx = talloc_init("smbc:getxattr");
5357 if (!ctx) {
5358 errno = ENOMEM;
5359 return -1;
5360 }
5361
5362 /* Are they requesting a supported attribute? */
5363 if (StrCaseCmp(name, "system.*") == 0 ||
5364 StrnCaseCmp(name, "system.*!", 9) == 0 ||
5365 StrCaseCmp(name, "system.*+") == 0 ||
5366 StrnCaseCmp(name, "system.*+!", 10) == 0 ||
5367 StrCaseCmp(name, "system.nt_sec_desc.*") == 0 ||
5368 StrnCaseCmp(name, "system.nt_sec_desc.*!", 21) == 0 ||
5369 StrCaseCmp(name, "system.nt_sec_desc.*+") == 0 ||
5370 StrnCaseCmp(name, "system.nt_sec_desc.*+!", 22) == 0 ||
5371 StrCaseCmp(name, "system.nt_sec_desc.revision") == 0 ||
5372 StrCaseCmp(name, "system.nt_sec_desc.owner") == 0 ||
5373 StrCaseCmp(name, "system.nt_sec_desc.owner+") == 0 ||
5374 StrCaseCmp(name, "system.nt_sec_desc.group") == 0 ||
5375 StrCaseCmp(name, "system.nt_sec_desc.group+") == 0 ||
5376 StrnCaseCmp(name, "system.nt_sec_desc.acl", 22) == 0 ||
5377 StrnCaseCmp(name, "system.nt_sec_desc.acl+", 23) == 0 ||
5378 StrCaseCmp(name, "system.dos_attr.*") == 0 ||
5379 StrnCaseCmp(name, "system.dos_attr.*!", 18) == 0 ||
5380 StrCaseCmp(name, "system.dos_attr.mode") == 0 ||
5381 StrCaseCmp(name, "system.dos_attr.size") == 0 ||
5382 StrCaseCmp(name, "system.dos_attr.c_time") == 0 ||
5383 StrCaseCmp(name, "system.dos_attr.a_time") == 0 ||
5384 StrCaseCmp(name, "system.dos_attr.m_time") == 0 ||
5385 StrCaseCmp(name, "system.dos_attr.inode") == 0) {
5386
5387 /* Yup. */
5388 ret = cacl_get(context, ctx, srv,
5389 ipc_srv == NULL ? NULL : ipc_srv->cli,
5390 &pol, path,
5391 CONST_DISCARD(char *, name),
5392 CONST_DISCARD(char *, value), size);
5393 if (ret < 0 && errno == 0) {
5394 errno = smbc_errno(context, srv->cli);
5395 }
5396 talloc_destroy(ctx);
5397 return ret;
5398 }
5399
5400 /* Unsupported attribute name */
5401 talloc_destroy(ctx);
5402 errno = EINVAL;
5403 return -1;
5404 }
5405
5406
5407 static int
5408 smbc_removexattr_ctx(SMBCCTX *context,
5409 const char *fname,
5410 const char *name)
5411 {
5412 int ret;
5413 SMBCSRV *srv;
5414 SMBCSRV *ipc_srv;
5415 fstring server;
5416 fstring share;
5417 fstring user;
5418 fstring password;
5419 fstring workgroup;
5420 pstring path;
5421 TALLOC_CTX *ctx;
5422 POLICY_HND pol;
5423
5424 if (!context || !context->internal ||
5425 !context->internal->_initialized) {
5426
5427 errno = EINVAL; /* Best I can think of ... */
5428 return -1;
5429
5430 }
5431
5432 if (!fname) {
5433
5434 errno = EINVAL;
5435 return -1;
5436
5437 }
5438
5439 DEBUG(4, ("smbc_removexattr(%s, %s)\n", fname, name));
5440
5441 if (smbc_parse_path(context, fname,
5442 workgroup, sizeof(workgroup),
5443 server, sizeof(server),
5444 share, sizeof(share),
5445 path, sizeof(path),
5446 user, sizeof(user),
5447 password, sizeof(password),
5448 NULL, 0)) {
5449 errno = EINVAL;
5450 return -1;
5451 }
5452
5453 if (user[0] == (char)0) fstrcpy(user, context->user);
5454
5455 srv = smbc_server(context, True,
5456 server, share, workgroup, user, password);
5457 if (!srv) {
5458 return -1; /* errno set by smbc_server */
5459 }
5460
5461 if (! srv->no_nt_session) {
5462 ipc_srv = smbc_attr_server(context, server, share,
5463 workgroup, user, password,
5464 &pol);
5465 srv->no_nt_session = True;
5466 } else {
5467 ipc_srv = NULL;
5468 }
5469
5470 if (! ipc_srv) {
5471 return -1; /* errno set by smbc_attr_server */
5472 }
5473
5474 ctx = talloc_init("smbc_removexattr");
5475 if (!ctx) {
5476 errno = ENOMEM;
5477 return -1;
5478 }
5479
5480 /* Are they asking to set the entire ACL? */
5481 if (StrCaseCmp(name, "system.nt_sec_desc.*") == 0 ||
5482 StrCaseCmp(name, "system.nt_sec_desc.*+") == 0) {
5483
5484 /* Yup. */
5485 ret = cacl_set(ctx, srv->cli,
5486 ipc_srv->cli, &pol, path,
5487 NULL, SMBC_XATTR_MODE_REMOVE_ALL, 0);
5488 talloc_destroy(ctx);
5489 return ret;
5490 }
5491
5492 /*
5493 * Are they asking to remove one or more spceific security descriptor
5494 * attributes?
5495 */
5496 if (StrCaseCmp(name, "system.nt_sec_desc.revision") == 0 ||
5497 StrCaseCmp(name, "system.nt_sec_desc.owner") == 0 ||
5498 StrCaseCmp(name, "system.nt_sec_desc.owner+") == 0 ||
5499 StrCaseCmp(name, "system.nt_sec_desc.group") == 0 ||
5500 StrCaseCmp(name, "system.nt_sec_desc.group+") == 0 ||
5501 StrnCaseCmp(name, "system.nt_sec_desc.acl", 22) == 0 ||
5502 StrnCaseCmp(name, "system.nt_sec_desc.acl+", 23) == 0) {
5503
5504 /* Yup. */
5505 ret = cacl_set(ctx, srv->cli,
5506 ipc_srv->cli, &pol, path,
5507 name + 19, SMBC_XATTR_MODE_REMOVE, 0);
5508 talloc_destroy(ctx);
5509 return ret;
5510 }
5511
5512 /* Unsupported attribute name */
5513 talloc_destroy(ctx);
5514 errno = EINVAL;
5515 return -1;
5516 }
5517
5518 static int
5519 smbc_listxattr_ctx(SMBCCTX *context,
5520 const char *fname,
5521 char *list,
5522 size_t size)
5523 {
5524 /*
5525 * This isn't quite what listxattr() is supposed to do. This returns
5526 * the complete set of attribute names, always, rather than only those
5527 * attribute names which actually exist for a file. Hmmm...
5528 */
5529 const char supported[] =
5530 "system.*\0"
5531 "system.*+\0"
5532 "system.nt_sec_desc.revision\0"
5533 "system.nt_sec_desc.owner\0"
5534 "system.nt_sec_desc.owner+\0"
5535 "system.nt_sec_desc.group\0"
5536 "system.nt_sec_desc.group+\0"
5537 "system.nt_sec_desc.acl.*\0"
5538 "system.nt_sec_desc.acl\0"
5539 "system.nt_sec_desc.acl+\0"
5540 "system.nt_sec_desc.*\0"
5541 "system.nt_sec_desc.*+\0"
5542 "system.dos_attr.*\0"
5543 "system.dos_attr.mode\0"
5544 "system.dos_attr.c_time\0"
5545 "system.dos_attr.a_time\0"
5546 "system.dos_attr.m_time\0"
5547 ;
5548
5549 if (size == 0) {
5550 return sizeof(supported);
5551 }
5552
5553 if (sizeof(supported) > size) {
5554 errno = ERANGE;
5555 return -1;
5556 }
5557
5558 /* this can't be strcpy() because there are embedded null characters */
5559 memcpy(list, supported, sizeof(supported));
5560 return sizeof(supported);
5561 }
5562
5563
5564 /*
5565 * Open a print file to be written to by other calls
5566 */
5567
5568 static SMBCFILE *
5569 smbc_open_print_job_ctx(SMBCCTX *context,
5570 const char *fname)
5571 {
5572 fstring server;
5573 fstring share;
5574 fstring user;
5575 fstring password;
5576 pstring path;
5577
5578 if (!context || !context->internal ||
5579 !context->internal->_initialized) {
5580
5581 errno = EINVAL;
5582 return NULL;
5583
5584 }
5585
5586 if (!fname) {
5587
5588 errno = EINVAL;
5589 return NULL;
5590
5591 }
5592
5593 DEBUG(4, ("smbc_open_print_job_ctx(%s)\n", fname));
5594
5595 if (smbc_parse_path(context, fname,
5596 NULL, 0,
5597 server, sizeof(server),
5598 share, sizeof(share),
5599 path, sizeof(path),
5600 user, sizeof(user),
5601 password, sizeof(password),
5602 NULL, 0)) {
5603 errno = EINVAL;
5604 return NULL;
5605 }
5606
5607 /* What if the path is empty, or the file exists? */
5608
5609 return context->open(context, fname, O_WRONLY, 666);
5610
5611 }
5612
5613 /*
5614 * Routine to print a file on a remote server ...
5615 *
5616 * We open the file, which we assume to be on a remote server, and then
5617 * copy it to a print file on the share specified by printq.
5618 */
5619
5620 static int
5621 smbc_print_file_ctx(SMBCCTX *c_file,
5622 const char *fname,
5623 SMBCCTX *c_print,
5624 const char *printq)
5625 {
5626 SMBCFILE *fid1;
5627 SMBCFILE *fid2;
5628 int bytes;
5629 int saverr;
5630 int tot_bytes = 0;
5631 char buf[4096];
5632
5633 if (!c_file || !c_file->internal->_initialized || !c_print ||
5634 !c_print->internal->_initialized) {
5635
5636 errno = EINVAL;
5637 return -1;
5638
5639 }
5640
5641 if (!fname && !printq) {
5642
5643 errno = EINVAL;
5644 return -1;
5645
5646 }
5647
5648 /* Try to open the file for reading ... */
5649
5650 if ((long)(fid1 = c_file->open(c_file, fname, O_RDONLY, 0666)) < 0) {
5651
5652 DEBUG(3, ("Error, fname=%s, errno=%i\n", fname, errno));
5653 return -1; /* smbc_open sets errno */
5654
5655 }
5656
5657 /* Now, try to open the printer file for writing */
5658
5659 if ((long)(fid2 = c_print->open_print_job(c_print, printq)) < 0) {
5660
5661 saverr = errno; /* Save errno */
5662 c_file->close_fn(c_file, fid1);
5663 errno = saverr;
5664 return -1;
5665
5666 }
5667
5668 while ((bytes = c_file->read(c_file, fid1, buf, sizeof(buf))) > 0) {
5669
5670 tot_bytes += bytes;
5671
5672 if ((c_print->write(c_print, fid2, buf, bytes)) < 0) {
5673
5674 saverr = errno;
5675 c_file->close_fn(c_file, fid1);
5676 c_print->close_fn(c_print, fid2);
5677 errno = saverr;
5678
5679 }
5680
5681 }
5682
5683 saverr = errno;
5684
5685 c_file->close_fn(c_file, fid1); /* We have to close these anyway */
5686 c_print->close_fn(c_print, fid2);
5687
5688 if (bytes < 0) {
5689
5690 errno = saverr;
5691 return -1;
5692
5693 }
5694
5695 return tot_bytes;
5696
5697 }
5698
5699 /*
5700 * Routine to list print jobs on a printer share ...
5701 */
5702
5703 static int
5704 smbc_list_print_jobs_ctx(SMBCCTX *context,
5705 const char *fname,
5706 smbc_list_print_job_fn fn)
5707 {
5708 SMBCSRV *srv;
5709 fstring server;
5710 fstring share;
5711 fstring user;
5712 fstring password;
5713 fstring workgroup;
5714 pstring path;
5715
5716 if (!context || !context->internal ||
5717 !context->internal->_initialized) {
5718
5719 errno = EINVAL;
5720 return -1;
5721
5722 }
5723
5724 if (!fname) {
5725
5726 errno = EINVAL;
5727 return -1;
5728
5729 }
5730
5731 DEBUG(4, ("smbc_list_print_jobs(%s)\n", fname));
5732
5733 if (smbc_parse_path(context, fname,
5734 workgroup, sizeof(workgroup),
5735 server, sizeof(server),
5736 share, sizeof(share),
5737 path, sizeof(path),
5738 user, sizeof(user),
5739 password, sizeof(password),
5740 NULL, 0)) {
5741 errno = EINVAL;
5742 return -1;
5743 }
5744
5745 if (user[0] == (char)0) fstrcpy(user, context->user);
5746
5747 srv = smbc_server(context, True,
5748 server, share, workgroup, user, password);
5749
5750 if (!srv) {
5751
5752 return -1; /* errno set by smbc_server */
5753
5754 }
5755
5756 if (cli_print_queue(srv->cli,
5757 (void (*)(struct print_job_info *))fn) < 0) {
5758
5759 errno = smbc_errno(context, srv->cli);
5760 return -1;
5761
5762 }
5763
5764 return 0;
5765
5766 }
5767
5768 /*
5769 * Delete a print job from a remote printer share
5770 */
5771
5772 static int
5773 smbc_unlink_print_job_ctx(SMBCCTX *context,
5774 const char *fname,
5775 int id)
5776 {
5777 SMBCSRV *srv;
5778 fstring server;
5779 fstring share;
5780 fstring user;
5781 fstring password;
5782 fstring workgroup;
5783 pstring path;
5784 int err;
5785
5786 if (!context || !context->internal ||
5787 !context->internal->_initialized) {
5788
5789 errno = EINVAL;
5790 return -1;
5791
5792 }
5793
5794 if (!fname) {
5795
5796 errno = EINVAL;
5797 return -1;
5798
5799 }
5800
5801 DEBUG(4, ("smbc_unlink_print_job(%s)\n", fname));
5802
5803 if (smbc_parse_path(context, fname,
5804 workgroup, sizeof(workgroup),
5805 server, sizeof(server),
5806 share, sizeof(share),
5807 path, sizeof(path),
5808 user, sizeof(user),
5809 password, sizeof(password),
5810 NULL, 0)) {
5811 errno = EINVAL;
5812 return -1;
5813 }
5814
5815 if (user[0] == (char)0) fstrcpy(user, context->user);
5816
5817 srv = smbc_server(context, True,
5818 server, share, workgroup, user, password);
5819
5820 if (!srv) {
5821
5822 return -1; /* errno set by smbc_server */
5823
5824 }
5825
5826 if ((err = cli_printjob_del(srv->cli, id)) != 0) {
5827
5828 if (err < 0)
5829 errno = smbc_errno(context, srv->cli);
5830 else if (err == ERRnosuchprintjob)
5831 errno = EINVAL;
5832 return -1;
5833
5834 }
5835
5836 return 0;
5837
5838 }
5839
5840 /*
5841 * Get a new empty handle to fill in with your own info
5842 */
5843 SMBCCTX *
5844 smbc_new_context(void)
5845 {
5846 SMBCCTX *context;
5847
5848 context = SMB_MALLOC_P(SMBCCTX);
5849 if (!context) {
5850 errno = ENOMEM;
5851 return NULL;
5852 }
5853
5854 ZERO_STRUCTP(context);
5855
5856 context->internal = SMB_MALLOC_P(struct smbc_internal_data);
5857 if (!context->internal) {
5858 SAFE_FREE(context);
5859 errno = ENOMEM;
5860 return NULL;
5861 }
5862
5863 ZERO_STRUCTP(context->internal);
5864
5865
5866 /* ADD REASONABLE DEFAULTS */
5867 context->debug = 0;
5868 context->timeout = 20000; /* 20 seconds */
5869
5870 context->options.browse_max_lmb_count = 3; /* # LMBs to query */
5871 context->options.urlencode_readdir_entries = False;/* backward compat */
5872 context->options.one_share_per_server = False;/* backward compat */
5873
5874 context->open = smbc_open_ctx;
5875 context->creat = smbc_creat_ctx;
5876 context->read = smbc_read_ctx;
5877 context->write = smbc_write_ctx;
5878 context->close_fn = smbc_close_ctx;
5879 context->unlink = smbc_unlink_ctx;
5880 context->rename = smbc_rename_ctx;
5881 context->lseek = smbc_lseek_ctx;
5882 context->stat = smbc_stat_ctx;
5883 context->fstat = smbc_fstat_ctx;
5884 context->opendir = smbc_opendir_ctx;
5885 context->closedir = smbc_closedir_ctx;
5886 context->readdir = smbc_readdir_ctx;
5887 context->getdents = smbc_getdents_ctx;
5888 context->mkdir = smbc_mkdir_ctx;
5889 context->rmdir = smbc_rmdir_ctx;
5890 context->telldir = smbc_telldir_ctx;
5891 context->lseekdir = smbc_lseekdir_ctx;
5892 context->fstatdir = smbc_fstatdir_ctx;
5893 context->chmod = smbc_chmod_ctx;
5894 context->utimes = smbc_utimes_ctx;
5895 context->setxattr = smbc_setxattr_ctx;
5896 context->getxattr = smbc_getxattr_ctx;
5897 context->removexattr = smbc_removexattr_ctx;
5898 context->listxattr = smbc_listxattr_ctx;
5899 context->open_print_job = smbc_open_print_job_ctx;
5900 context->print_file = smbc_print_file_ctx;
5901 context->list_print_jobs = smbc_list_print_jobs_ctx;
5902 context->unlink_print_job = smbc_unlink_print_job_ctx;
5903
5904 context->callbacks.check_server_fn = smbc_check_server;
5905 context->callbacks.remove_unused_server_fn = smbc_remove_unused_server;
5906
5907 smbc_default_cache_functions(context);
5908
5909 return context;
5910 }
5911
5912 /*
5913 * Free a context
5914 *
5915 * Returns 0 on success. Otherwise returns 1, the SMBCCTX is _not_ freed
5916 * and thus you'll be leaking memory if not handled properly.
5917 *
5918 */
5919 int
5920 smbc_free_context(SMBCCTX *context,
5921 int shutdown_ctx)
5922 {
5923 if (!context) {
5924 errno = EBADF;
5925 return 1;
5926 }
5927
5928 if (shutdown_ctx) {
5929 SMBCFILE * f;
5930 DEBUG(1,("Performing aggressive shutdown.\n"));
5931
5932 f = context->internal->_files;
5933 while (f) {
5934 context->close_fn(context, f);
5935 f = f->next;
5936 }
5937 context->internal->_files = NULL;
5938
5939 /* First try to remove the servers the nice way. */
5940 if (context->callbacks.purge_cached_fn(context)) {
5941 SMBCSRV * s;
5942 SMBCSRV * next;
5943 DEBUG(1, ("Could not purge all servers, "
5944 "Nice way shutdown failed.\n"));
5945 s = context->internal->_servers;
5946 while (s) {
5947 DEBUG(1, ("Forced shutdown: %p (fd=%d)\n",
5948 s, s->cli->fd));
5949 cli_shutdown(s->cli);
5950 context->callbacks.remove_cached_srv_fn(context,
5951 s);
5952 next = s->next;
5953 DLIST_REMOVE(context->internal->_servers, s);
5954 SAFE_FREE(s);
5955 s = next;
5956 }
5957 context->internal->_servers = NULL;
5958 }
5959 }
5960 else {
5961 /* This is the polite way */
5962 if (context->callbacks.purge_cached_fn(context)) {
5963 DEBUG(1, ("Could not purge all servers, "
5964 "free_context failed.\n"));
5965 errno = EBUSY;
5966 return 1;
5967 }
5968 if (context->internal->_servers) {
5969 DEBUG(1, ("Active servers in context, "
5970 "free_context failed.\n"));
5971 errno = EBUSY;
5972 return 1;
5973 }
5974 if (context->internal->_files) {
5975 DEBUG(1, ("Active files in context, "
5976 "free_context failed.\n"));
5977 errno = EBUSY;
5978 return 1;
5979 }
5980 }
5981
5982 /* Things we have to clean up */
5983 SAFE_FREE(context->workgroup);
5984 SAFE_FREE(context->netbios_name);
5985 SAFE_FREE(context->user);
5986
5987 DEBUG(3, ("Context %p succesfully freed\n", context));
5988 SAFE_FREE(context->internal);
5989 SAFE_FREE(context);
5990 return 0;
5991 }
5992
5993
5994 /*
5995 * Each time the context structure is changed, we have binary backward
5996 * compatibility issues. Instead of modifying the public portions of the
5997 * context structure to add new options, instead, we put them in the internal
5998 * portion of the context structure and provide a set function for these new
5999 * options.
6000 */
6001 void
6002 smbc_option_set(SMBCCTX *context,
6003 char *option_name,
6004 ... /* option_value */)
6005 {
6006 va_list ap;
6007 union {
6008 BOOL b;
6009 smbc_get_auth_data_with_context_fn auth_fn;
6010 void *v;
6011 } option_value;
6012
6013 va_start(ap, option_name);
6014
6015 if (strcmp(option_name, "debug_to_stderr") == 0) {
6016 /*
6017 * Log to standard error instead of standard output.
6018 */
6019 option_value.b = (BOOL) va_arg(ap, int);
6020 context->internal->_debug_stderr = option_value.b;
6021
6022 } else if (strcmp(option_name, "debug_to_stderr") == 0) {
6023 /*
6024 * Log to standard error instead of standard output.
6025 *
6026 * This function used to take a third parameter,
6027 * void *option_value. Since it was a void* and we needed to
6028 * pass a boolean, a boolean value was cast to void* to be
6029 * passed in. Now that we're using a va_list to retrieve the
6030 * parameters, the casting kludge is unnecessary.
6031 *
6032 * WARNING: DO NOT USE THIS OPTION.
6033 * This option is retained for backward compatibility. New
6034 * applications should use "debug_to_stderr" and properly pass
6035 * in a boolean (int) value.
6036 */
6037 option_value.v = va_arg(ap, void *);
6038 context->internal->_debug_stderr =
6039 (option_value.v == NULL ? False : True);
6040
6041 } else if (strcmp(option_name, "auth_function") == 0) {
6042 /*
6043 * Use the new-style authentication function which includes
6044 * the context.
6045 */
6046 option_value.auth_fn =
6047 va_arg(ap, smbc_get_auth_data_with_context_fn);
6048 context->internal->_auth_fn_with_context =
6049 option_value.auth_fn;
6050 } else if (strcmp(option_name, "user_data") == 0) {
6051 /*
6052 * Save a user data handle which may be retrieved by the user
6053 * with smbc_option_get()
6054 */
6055 option_value.v = va_arg(ap, void *);
6056 context->internal->_user_data = option_value.v;
6057 }
6058
6059 va_end(ap);
6060 }
6061
6062
6063 /*
6064 * Retrieve the current value of an option
6065 */
6066 void *
6067 smbc_option_get(SMBCCTX *context,
6068 char *option_name)
6069 {
6070 if (strcmp(option_name, "debug_stderr") == 0) {
6071 /*
6072 * Log to standard error instead of standard output.
6073 */
6074 #if defined(__intptr_t_defined) || defined(HAVE_INTPTR_T)
6075 return (void *) (intptr_t) context->internal->_debug_stderr;
6076 #else
6077 return (void *) context->internal->_debug_stderr;
6078 #endif
6079 } else if (strcmp(option_name, "auth_function") == 0) {
6080 /*
6081 * Use the new-style authentication function which includes
6082 * the context.
6083 */
6084 return (void *) context->internal->_auth_fn_with_context;
6085 } else if (strcmp(option_name, "user_data") == 0) {
6086 /*
6087 * Save a user data handle which may be retrieved by the user
6088 * with smbc_option_get()
6089 */
6090 return context->internal->_user_data;
6091 }
6092
6093 return NULL;
6094 }
6095
6096
6097 /*
6098 * Initialise the library etc
6099 *
6100 * We accept a struct containing handle information.
6101 * valid values for info->debug from 0 to 100,
6102 * and insist that info->fn must be non-null.
6103 */
6104 SMBCCTX *
6105 smbc_init_context(SMBCCTX *context)
6106 {
6107 pstring conf;
6108 int pid;
6109 char *user = NULL;
6110 char *home = NULL;
6111
6112 if (!context || !context->internal) {
6113 errno = EBADF;
6114 return NULL;
6115 }
6116
6117 /* Do not initialise the same client twice */
6118 if (context->internal->_initialized) {
6119 return 0;
6120 }
6121
6122 if ((!context->callbacks.auth_fn &&
6123 !context->internal->_auth_fn_with_context) ||
6124 context->debug < 0 ||
6125 context->debug > 100) {
6126
6127 errno = EINVAL;
6128 return NULL;
6129
6130 }
6131
6132 if (!smbc_initialized) {
6133 /*
6134 * Do some library-wide intializations the first time we get
6135 * called
6136 */
6137 BOOL conf_loaded = False;
6138
6139 /* Set this to what the user wants */
6140 DEBUGLEVEL = context->debug;
6141
6142 load_case_tables();
6143
6144 setup_logging("libsmbclient", True);
6145 if (context->internal->_debug_stderr) {
6146 dbf = x_stderr;
6147 x_setbuf(x_stderr, NULL);
6148 }
6149
6150 /* Here we would open the smb.conf file if needed ... */
6151
6152 in_client = True; /* FIXME, make a param */
6153
6154 home = getenv("HOME");
6155 if (home) {
6156 slprintf(conf, sizeof(conf), "%s/.smb/smb.conf", home);
6157 if (lp_load(conf, True, False, False, True)) {
6158 conf_loaded = True;
6159 } else {
6160 DEBUG(5, ("Could not load config file: %s\n",
6161 conf));
6162 }
6163 }
6164
6165 if (!conf_loaded) {
6166 /*
6167 * Well, if that failed, try the dyn_CONFIGFILE
6168 * Which points to the standard locn, and if that
6169 * fails, silently ignore it and use the internal
6170 * defaults ...
6171 */
6172
6173 if (!lp_load(dyn_CONFIGFILE, True, False, False, False)) {
6174 DEBUG(5, ("Could not load config file: %s\n",
6175 dyn_CONFIGFILE));
6176 } else if (home) {
6177 /*
6178 * We loaded the global config file. Now lets
6179 * load user-specific modifications to the
6180 * global config.
6181 */
6182 slprintf(conf, sizeof(conf),
6183 "%s/.smb/smb.conf.append", home);
6184 if (!lp_load(conf, True, False, False, False)) {
6185 DEBUG(10,
6186 ("Could not append config file: "
6187 "%s\n",
6188 conf));
6189 }
6190 }
6191 }
6192
6193 load_interfaces(); /* Load the list of interfaces ... */
6194
6195 reopen_logs(); /* Get logging working ... */
6196
6197 /*
6198 * Block SIGPIPE (from lib/util_sock.c: write())
6199 * It is not needed and should not stop execution
6200 */
6201 BlockSignals(True, SIGPIPE);
6202
6203 /* Done with one-time initialisation */
6204 smbc_initialized = 1;
6205
6206 }
6207
6208 if (!context->user) {
6209 /*
6210 * FIXME: Is this the best way to get the user info?
6211 */
6212 user = getenv("USER");
6213 /* walk around as "guest" if no username can be found */
6214 if (!user) context->user = SMB_STRDUP("guest");
6215 else context->user = SMB_STRDUP(user);
6216 }
6217
6218 if (!context->netbios_name) {
6219 /*
6220 * We try to get our netbios name from the config. If that
6221 * fails we fall back on constructing our netbios name from
6222 * our hostname etc
6223 */
6224 if (global_myname()) {
6225 context->netbios_name = SMB_STRDUP(global_myname());
6226 }
6227 else {
6228 /*
6229 * Hmmm, I want to get hostname as well, but I am too
6230 * lazy for the moment
6231 */
6232 pid = sys_getpid();
6233 context->netbios_name = (char *)SMB_MALLOC(17);
6234 if (!context->netbios_name) {
6235 errno = ENOMEM;
6236 return NULL;
6237 }
6238 slprintf(context->netbios_name, 16,
6239 "smbc%s%d", context->user, pid);
6240 }
6241 }
6242
6243 DEBUG(1, ("Using netbios name %s.\n", context->netbios_name));
6244
6245 if (!context->workgroup) {
6246 if (lp_workgroup()) {
6247 context->workgroup = SMB_STRDUP(lp_workgroup());
6248 }
6249 else {
6250 /* TODO: Think about a decent default workgroup */
6251 context->workgroup = SMB_STRDUP("samba");
6252 }
6253 }
6254
6255 DEBUG(1, ("Using workgroup %s.\n", context->workgroup));
6256
6257 /* shortest timeout is 1 second */
6258 if (context->timeout > 0 && context->timeout < 1000)
6259 context->timeout = 1000;
6260
6261 /*
6262 * FIXME: Should we check the function pointers here?
6263 */
6264
6265 context->internal->_initialized = True;
6266
6267 return context;
6268 }
6269
6270
6271 /* Return the verion of samba, and thus libsmbclient */
6272 const char *
6273 smbc_version(void)
6274 {
6275 return samba_version_string();
6276 }
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