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r17912: * mssed DNS SRV fix
[Samba.git] / source / libsmb / libsmbclient.c
blobcaa26a70a808aa514aa039df002fdbd56b994cdb
1 /*
2 Unix SMB/Netbios implementation.
3 SMB client library implementation
4 Copyright (C) Andrew Tridgell 1998
5 Copyright (C) Richard Sharpe 2000, 2002
6 Copyright (C) John Terpstra 2000
7 Copyright (C) Tom Jansen (Ninja ISD) 2002
8 Copyright (C) Derrell Lipman 2003, 2004
9
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 2 of the License, or
13 (at your option) any later version.
14
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
19
20 You should have received a copy of the GNU General Public License
21 along with this program; if not, write to the Free Software
22 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 */
24
25 #include "includes.h"
26
27 #include "include/libsmb_internal.h"
28
29
30 /*
31 * DOS Attribute values (used internally)
32 */
33 typedef struct DOS_ATTR_DESC {
34 int mode;
35 SMB_OFF_T size;
36 time_t a_time;
37 time_t c_time;
38 time_t m_time;
39 SMB_INO_T inode;
40 } DOS_ATTR_DESC;
41
42
43 /*
44 * Internal flags for extended attributes
45 */
46
47 /* internal mode values */
48 #define SMBC_XATTR_MODE_ADD 1
49 #define SMBC_XATTR_MODE_REMOVE 2
50 #define SMBC_XATTR_MODE_REMOVE_ALL 3
51 #define SMBC_XATTR_MODE_SET 4
52 #define SMBC_XATTR_MODE_CHOWN 5
53 #define SMBC_XATTR_MODE_CHGRP 6
54
55 #define CREATE_ACCESS_READ READ_CONTROL_ACCESS
56
57 /*We should test for this in configure ... */
58 #ifndef ENOTSUP
59 #define ENOTSUP EOPNOTSUPP
60 #endif
61
62 /*
63 * Functions exported by libsmb_cache.c that we need here
64 */
65 int smbc_default_cache_functions(SMBCCTX *context);
66
67 /*
68 * check if an element is part of the list.
69 * FIXME: Does not belong here !
70 * Can anyone put this in a macro in dlinklist.h ?
71 * -- Tom
72 */
73 static int DLIST_CONTAINS(SMBCFILE * list, SMBCFILE *p) {
74 if (!p || !list) return False;
75 do {
76 if (p == list) return True;
77 list = list->next;
78 } while (list);
79 return False;
80 }
81
82 /*
83 * Find an lsa pipe handle associated with a cli struct.
84 */
85 static struct rpc_pipe_client *
86 find_lsa_pipe_hnd(struct cli_state *ipc_cli)
87 {
88 struct rpc_pipe_client *pipe_hnd;
89
90 for (pipe_hnd = ipc_cli->pipe_list;
91 pipe_hnd;
92 pipe_hnd = pipe_hnd->next) {
93
94 if (pipe_hnd->pipe_idx == PI_LSARPC) {
95 return pipe_hnd;
96 }
97 }
98
99 return NULL;
100 }
101
102 static int
103 smbc_close_ctx(SMBCCTX *context,
104 SMBCFILE *file);
105 static off_t
106 smbc_lseek_ctx(SMBCCTX *context,
107 SMBCFILE *file,
108 off_t offset,
109 int whence);
110
111 extern BOOL in_client;
112
113 /*
114 * Is the logging working / configfile read ?
115 */
116 static int smbc_initialized = 0;
117
118 static int
119 hex2int( unsigned int _char )
120 {
121 if ( _char >= 'A' && _char <='F')
122 return _char - 'A' + 10;
123 if ( _char >= 'a' && _char <='f')
124 return _char - 'a' + 10;
125 if ( _char >= '0' && _char <='9')
126 return _char - '0';
127 return -1;
128 }
129
130 /*
131 * smbc_urldecode()
132 *
133 * Convert strings of %xx to their single character equivalent. Each 'x' must
134 * be a valid hexadecimal digit, or that % sequence is left undecoded.
135 *
136 * dest may, but need not be, the same pointer as src.
137 *
138 * Returns the number of % sequences which could not be converted due to lack
139 * of two following hexadecimal digits.
140 */
141 int
142 smbc_urldecode(char *dest, char * src, size_t max_dest_len)
143 {
144 int old_length = strlen(src);
145 int i = 0;
146 int err_count = 0;
147 pstring temp;
148 char * p;
149
150 if ( old_length == 0 ) {
151 return 0;
152 }
153
154 p = temp;
155 while ( i < old_length ) {
156 unsigned char character = src[ i++ ];
157
158 if (character == '%') {
159 int a = i+1 < old_length ? hex2int( src[i] ) : -1;
160 int b = i+1 < old_length ? hex2int( src[i+1] ) : -1;
161
162 /* Replace valid sequence */
163 if (a != -1 && b != -1) {
164
165 /* Replace valid %xx sequence with %dd */
166 character = (a * 16) + b;
167
168 if (character == '\0') {
169 break; /* Stop at %00 */
170 }
171
172 i += 2;
173 } else {
174
175 err_count++;
176 }
177 }
178
179 *p++ = character;
180 }
181
182 *p = '\0';
183
184 strncpy(dest, temp, max_dest_len - 1);
185 dest[max_dest_len - 1] = '\0';
186
187 return err_count;
188 }
189
190 /*
191 * smbc_urlencode()
192 *
193 * Convert any characters not specifically allowed in a URL into their %xx
194 * equivalent.
195 *
196 * Returns the remaining buffer length.
197 */
198 int
199 smbc_urlencode(char * dest, char * src, int max_dest_len)
200 {
201 char hex[] = "0123456789ABCDEF";
202
203 for (; *src != '\0' && max_dest_len >= 3; src++) {
204
205 if ((*src < '0' &&
206 *src != '-' &&
207 *src != '.') ||
208 (*src > '9' &&
209 *src < 'A') ||
210 (*src > 'Z' &&
211 *src < 'a' &&
212 *src != '_') ||
213 (*src > 'z')) {
214 *dest++ = '%';
215 *dest++ = hex[(*src >> 4) & 0x0f];
216 *dest++ = hex[*src & 0x0f];
217 max_dest_len -= 3;
218 } else {
219 *dest++ = *src;
220 max_dest_len--;
221 }
222 }
223
224 *dest++ = '\0';
225 max_dest_len--;
226
227 return max_dest_len;
228 }
229
230 /*
231 * Function to parse a path and turn it into components
232 *
233 * The general format of an SMB URI is explain in Christopher Hertel's CIFS
234 * book, at http://ubiqx.org/cifs/Appendix-D.html. We accept a subset of the
235 * general format ("smb:" only; we do not look for "cifs:").
236 *
237 *
238 * We accept:
239 * smb://[[[domain;]user[:password@]]server[/share[/path[/file]]]][?options]
240 *
241 * Meaning of URLs:
242 *
243 * smb:// Show all workgroups.
244 *
245 * The method of locating the list of workgroups varies
246 * depending upon the setting of the context variable
247 * context->options.browse_max_lmb_count. This value
248 * determine the maximum number of local master browsers to
249 * query for the list of workgroups. In order to ensure that
250 * a complete list of workgroups is obtained, all master
251 * browsers must be queried, but if there are many
252 * workgroups, the time spent querying can begin to add up.
253 * For small networks (not many workgroups), it is suggested
254 * that this variable be set to 0, indicating query all local
255 * master browsers. When the network has many workgroups, a
256 * reasonable setting for this variable might be around 3.
257 *
258 * smb://name/ if name<1D> or name<1B> exists, list servers in
259 * workgroup, else, if name<20> exists, list all shares
260 * for server ...
261 *
262 * If "options" are provided, this function returns the entire option list as a
263 * string, for later parsing by the caller. Note that currently, no options
264 * are supported.
265 */
266
267 static const char *smbc_prefix = "smb:";
268
269 static int
270 smbc_parse_path(SMBCCTX *context,
271 const char *fname,
272 char *workgroup, int workgroup_len,
273 char *server, int server_len,
274 char *share, int share_len,
275 char *path, int path_len,
276 char *user, int user_len,
277 char *password, int password_len,
278 char *options, int options_len)
279 {
280 static pstring s;
281 pstring userinfo;
282 const char *p;
283 char *q, *r;
284 int len;
285
286 server[0] = share[0] = path[0] = user[0] = password[0] = (char)0;
287
288 /*
289 * Assume we wont find an authentication domain to parse, so default
290 * to the workgroup in the provided context.
291 */
292 if (workgroup != NULL) {
293 strncpy(workgroup, context->workgroup, workgroup_len - 1);
294 workgroup[workgroup_len - 1] = '\0';
295 }
296
297 if (options != NULL && options_len > 0) {
298 options[0] = (char)0;
299 }
300 pstrcpy(s, fname);
301
302 /* see if it has the right prefix */
303 len = strlen(smbc_prefix);
304 if (strncmp(s,smbc_prefix,len) || (s[len] != '/' && s[len] != 0)) {
305 return -1; /* What about no smb: ? */
306 }
307
308 p = s + len;
309
310 /* Watch the test below, we are testing to see if we should exit */
311
312 if (strncmp(p, "//", 2) && strncmp(p, "\\\\", 2)) {
313
314 DEBUG(1, ("Invalid path (does not begin with smb://"));
315 return -1;
316
317 }
318
319 p += 2; /* Skip the double slash */
320
321 /* See if any options were specified */
322 if ((q = strrchr(p, '?')) != NULL ) {
323 /* There are options. Null terminate here and point to them */
324 *q++ = '\0';
325
326 DEBUG(4, ("Found options '%s'", q));
327
328 /* Copy the options */
329 if (options != NULL && options_len > 0) {
330 safe_strcpy(options, q, options_len - 1);
331 }
332 }
333
334 if (*p == (char)0)
335 goto decoding;
336
337 if (*p == '/') {
338
339 strncpy(server, context->workgroup,
340 ((strlen(context->workgroup) < 16)
341 ? strlen(context->workgroup)
342 : 16));
343 server[server_len - 1] = '\0';
344 return 0;
345
346 }
347
348 /*
349 * ok, its for us. Now parse out the server, share etc.
350 *
351 * However, we want to parse out [[domain;]user[:password]@] if it
352 * exists ...
353 */
354
355 /* check that '@' occurs before '/', if '/' exists at all */
356 q = strchr_m(p, '@');
357 r = strchr_m(p, '/');
358 if (q && (!r || q < r)) {
359 pstring username, passwd, domain;
360 const char *u = userinfo;
361
362 next_token(&p, userinfo, "@", sizeof(fstring));
363
364 username[0] = passwd[0] = domain[0] = 0;
365
366 if (strchr_m(u, ';')) {
367
368 next_token(&u, domain, ";", sizeof(fstring));
369
370 }
371
372 if (strchr_m(u, ':')) {
373
374 next_token(&u, username, ":", sizeof(fstring));
375
376 pstrcpy(passwd, u);
377
378 }
379 else {
380
381 pstrcpy(username, u);
382
383 }
384
385 if (domain[0] && workgroup) {
386 strncpy(workgroup, domain, workgroup_len - 1);
387 workgroup[workgroup_len - 1] = '\0';
388 }
389
390 if (username[0]) {
391 strncpy(user, username, user_len - 1);
392 user[user_len - 1] = '\0';
393 }
394
395 if (passwd[0]) {
396 strncpy(password, passwd, password_len - 1);
397 password[password_len - 1] = '\0';
398 }
399
400 }
401
402 if (!next_token(&p, server, "/", sizeof(fstring))) {
403
404 return -1;
405
406 }
407
408 if (*p == (char)0) goto decoding; /* That's it ... */
409
410 if (!next_token(&p, share, "/", sizeof(fstring))) {
411
412 return -1;
413
414 }
415
416 safe_strcpy(path, p, path_len - 1);
417
418 all_string_sub(path, "/", "\\", 0);
419
420 decoding:
421 (void) smbc_urldecode(path, path, path_len);
422 (void) smbc_urldecode(server, server, server_len);
423 (void) smbc_urldecode(share, share, share_len);
424 (void) smbc_urldecode(user, user, user_len);
425 (void) smbc_urldecode(password, password, password_len);
426
427 return 0;
428 }
429
430 /*
431 * Verify that the options specified in a URL are valid
432 */
433 static int
434 smbc_check_options(char *server,
435 char *share,
436 char *path,
437 char *options)
438 {
439 DEBUG(4, ("smbc_check_options(): server='%s' share='%s' "
440 "path='%s' options='%s'\n",
441 server, share, path, options));
442
443 /* No options at all is always ok */
444 if (! *options) return 0;
445
446 /* Currently, we don't support any options. */
447 return -1;
448 }
449
450 /*
451 * Convert an SMB error into a UNIX error ...
452 */
453 static int
454 smbc_errno(SMBCCTX *context,
455 struct cli_state *c)
456 {
457 int ret = cli_errno(c);
458
459 if (cli_is_dos_error(c)) {
460 uint8 eclass;
461 uint32 ecode;
462
463 cli_dos_error(c, &eclass, &ecode);
464
465 DEBUG(3,("smbc_error %d %d (0x%x) -> %d\n",
466 (int)eclass, (int)ecode, (int)ecode, ret));
467 } else {
468 NTSTATUS status;
469
470 status = cli_nt_error(c);
471
472 DEBUG(3,("smbc errno %s -> %d\n",
473 nt_errstr(status), ret));
474 }
475
476 return ret;
477 }
478
479 /*
480 * Check a server for being alive and well.
481 * returns 0 if the server is in shape. Returns 1 on error
482 *
483 * Also useable outside libsmbclient to enable external cache
484 * to do some checks too.
485 */
486 static int
487 smbc_check_server(SMBCCTX * context,
488 SMBCSRV * server)
489 {
490 if ( send_keepalive(server->cli.fd) == False )
491 return 1;
492
493 /* connection is ok */
494 return 0;
495 }
496
497 /*
498 * Remove a server from the cached server list it's unused.
499 * On success, 0 is returned. 1 is returned if the server could not be removed.
500 *
501 * Also useable outside libsmbclient
502 */
503 int
504 smbc_remove_unused_server(SMBCCTX * context,
505 SMBCSRV * srv)
506 {
507 SMBCFILE * file;
508
509 /* are we being fooled ? */
510 if (!context || !context->internal ||
511 !context->internal->_initialized || !srv) return 1;
512
513
514 /* Check all open files/directories for a relation with this server */
515 for (file = context->internal->_files; file; file=file->next) {
516 if (file->srv == srv) {
517 /* Still used */
518 DEBUG(3, ("smbc_remove_usused_server: "
519 "%p still used by %p.\n",
520 srv, file));
521 return 1;
522 }
523 }
524
525 DLIST_REMOVE(context->internal->_servers, srv);
526
527 cli_shutdown(&srv->cli);
528
529 DEBUG(3, ("smbc_remove_usused_server: %p removed.\n", srv));
530
531 context->callbacks.remove_cached_srv_fn(context, srv);
532
533 SAFE_FREE(srv);
534
535 return 0;
536 }
537
538 static SMBCSRV *
539 find_server(SMBCCTX *context,
540 const char *server,
541 const char *share,
542 fstring workgroup,
543 fstring username,
544 fstring password)
545 {
546 SMBCSRV *srv;
547 int auth_called = 0;
548
549 check_server_cache:
550
551 srv = context->callbacks.get_cached_srv_fn(context, server, share,
552 workgroup, username);
553
554 if (!auth_called && !srv && (!username[0] || !password[0])) {
555 if (context->internal->_auth_fn_with_context != NULL) {
556 context->internal->_auth_fn_with_context(
557 context,
558 server, share,
559 workgroup, sizeof(fstring),
560 username, sizeof(fstring),
561 password, sizeof(fstring));
562 } else {
563 context->callbacks.auth_fn(
564 server, share,
565 workgroup, sizeof(fstring),
566 username, sizeof(fstring),
567 password, sizeof(fstring));
568 }
569
570 /*
571 * However, smbc_auth_fn may have picked up info relating to
572 * an existing connection, so try for an existing connection
573 * again ...
574 */
575 auth_called = 1;
576 goto check_server_cache;
577
578 }
579
580 if (srv) {
581 if (context->callbacks.check_server_fn(context, srv)) {
582 /*
583 * This server is no good anymore
584 * Try to remove it and check for more possible
585 * servers in the cache
586 */
587 if (context->callbacks.remove_unused_server_fn(context,
588 srv)) {
589 /*
590 * We could not remove the server completely,
591 * remove it from the cache so we will not get
592 * it again. It will be removed when the last
593 * file/dir is closed.
594 */
595 context->callbacks.remove_cached_srv_fn(context,
596 srv);
597 }
598
599 /*
600 * Maybe there are more cached connections to this
601 * server
602 */
603 goto check_server_cache;
604 }
605
606 return srv;
607 }
608
609 return NULL;
610 }
611
612 /*
613 * Connect to a server, possibly on an existing connection
614 *
615 * Here, what we want to do is: If the server and username
616 * match an existing connection, reuse that, otherwise, establish a
617 * new connection.
618 *
619 * If we have to create a new connection, call the auth_fn to get the
620 * info we need, unless the username and password were passed in.
621 */
622
623 static SMBCSRV *
624 smbc_server(SMBCCTX *context,
625 BOOL connect_if_not_found,
626 const char *server,
627 const char *share,
628 fstring workgroup,
629 fstring username,
630 fstring password)
631 {
632 SMBCSRV *srv=NULL;
633 struct cli_state c;
634 struct nmb_name called, calling;
635 const char *server_n = server;
636 pstring ipenv;
637 struct in_addr ip;
638 int tried_reverse = 0;
639 int port_try_first;
640 int port_try_next;
641 const char *username_used;
642
643 zero_ip(&ip);
644 ZERO_STRUCT(c);
645
646 if (server[0] == 0) {
647 errno = EPERM;
648 return NULL;
649 }
650
651 /* Look for a cached connection */
652 srv = find_server(context, server, share,
653 workgroup, username, password);
654
655 /*
656 * If we found a connection and we're only allowed one share per
657 * server...
658 */
659 if (srv && *share != '\0' && context->options.one_share_per_server) {
660
661 /*
662 * ... then if there's no current connection to the share,
663 * connect to it. find_server(), or rather the function
664 * pointed to by context->callbacks.get_cached_srv_fn which
665 * was called by find_server(), will have issued a tree
666 * disconnect if the requested share is not the same as the
667 * one that was already connected.
668 */
669 if (srv->cli.cnum == (uint16) -1) {
670 /* Ensure we have accurate auth info */
671 if (context->internal->_auth_fn_with_context != NULL) {
672 context->internal->_auth_fn_with_context(
673 context,
674 server, share,
675 workgroup, sizeof(fstring),
676 username, sizeof(fstring),
677 password, sizeof(fstring));
678 } else {
679 context->callbacks.auth_fn(
680 server, share,
681 workgroup, sizeof(fstring),
682 username, sizeof(fstring),
683 password, sizeof(fstring));
684 }
685
686 if (! cli_send_tconX(&srv->cli, share, "?????",
687 password, strlen(password)+1)) {
688
689 errno = smbc_errno(context, &srv->cli);
690 cli_shutdown(&srv->cli);
691 context->callbacks.remove_cached_srv_fn(context,
692 srv);
693 srv = NULL;
694 }
695
696 /*
697 * Regenerate the dev value since it's based on both
698 * server and share
699 */
700 if (srv) {
701 srv->dev = (dev_t)(str_checksum(server) ^
702 str_checksum(share));
703 }
704 }
705 }
706
707 /* If we have a connection... */
708 if (srv) {
709
710 /* ... then we're done here. Give 'em what they came for. */
711 return srv;
712 }
713
714 /* If we're not asked to connect when a connection doesn't exist... */
715 if (! connect_if_not_found) {
716 /* ... then we're done here. */
717 return NULL;
718 }
719
720 make_nmb_name(&calling, context->netbios_name, 0x0);
721 make_nmb_name(&called , server, 0x20);
722
723 DEBUG(4,("smbc_server: server_n=[%s] server=[%s]\n", server_n, server));
724
725 DEBUG(4,(" -> server_n=[%s] server=[%s]\n", server_n, server));
726
727 again:
728 slprintf(ipenv,sizeof(ipenv)-1,"HOST_%s", server_n);
729
730 zero_ip(&ip);
731
732 /* have to open a new connection */
733 if (!cli_initialise(&c)) {
734 errno = ENOMEM;
735 return NULL;
736 }
737
738 if (context->flags & SMB_CTX_FLAG_USE_KERBEROS) {
739 c.use_kerberos = True;
740 }
741 if (context->flags & SMB_CTX_FLAG_FALLBACK_AFTER_KERBEROS) {
742 c.fallback_after_kerberos = True;
743 }
744
745 c.timeout = context->timeout;
746
747 /*
748 * Force use of port 139 for first try if share is $IPC, empty, or
749 * null, so browse lists can work
750 */
751 if (share == NULL || *share == '\0' || strcmp(share, "IPC$") == 0) {
752 port_try_first = 139;
753 port_try_next = 445;
754 } else {
755 port_try_first = 445;
756 port_try_next = 139;
757 }
758
759 c.port = port_try_first;
760
761 if (!cli_connect(&c, server_n, &ip)) {
762
763 /* First connection attempt failed. Try alternate port. */
764 c.port = port_try_next;
765
766 if (!cli_connect(&c, server_n, &ip)) {
767 cli_shutdown(&c);
768 errno = ETIMEDOUT;
769 return NULL;
770 }
771 }
772
773 if (!cli_session_request(&c, &calling, &called)) {
774 cli_shutdown(&c);
775 if (strcmp(called.name, "*SMBSERVER")) {
776 make_nmb_name(&called , "*SMBSERVER", 0x20);
777 goto again;
778 }
779 else { /* Try one more time, but ensure we don't loop */
780
781 /* Only try this if server is an IP address ... */
782
783 if (is_ipaddress(server) && !tried_reverse) {
784 fstring remote_name;
785 struct in_addr rem_ip;
786
787 if ((rem_ip.s_addr=inet_addr(server)) == INADDR_NONE) {
788 DEBUG(4, ("Could not convert IP address %s to struct in_addr\n", server));
789 errno = ETIMEDOUT;
790 return NULL;
791 }
792
793 tried_reverse++; /* Yuck */
794
795 if (name_status_find("*", 0, 0, rem_ip, remote_name)) {
796 make_nmb_name(&called, remote_name, 0x20);
797 goto again;
798 }
799
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->cli.allocated = False;
862 srv->dev = (dev_t)(str_checksum(server) ^ str_checksum(share));
863 srv->no_pathinfo = False;
864 srv->no_pathinfo2 = False;
865 srv->no_nt_session = False;
866
867 /* now add it to the cache (internal or external) */
868 /* Let the cache function set errno if it wants to */
869 errno = 0;
870 if (context->callbacks.add_cached_srv_fn(context, srv, server, share, workgroup, username)) {
871 int saved_errno = errno;
872 DEBUG(3, (" Failed to add server to cache\n"));
873 errno = saved_errno;
874 if (errno == 0) {
875 errno = ENOMEM;
876 }
877 goto failed;
878 }
879
880 DEBUG(2, ("Server connect ok: //%s/%s: %p\n",
881 server, share, srv));
882
883 DLIST_ADD(context->internal->_servers, srv);
884 return srv;
885
886 failed:
887 cli_shutdown(&c);
888 if (!srv) return NULL;
889
890 SAFE_FREE(srv);
891 return NULL;
892 }
893
894 /*
895 * Connect to a server for getting/setting attributes, possibly on an existing
896 * connection. This works similarly to smbc_server().
897 */
898 static SMBCSRV *
899 smbc_attr_server(SMBCCTX *context,
900 const char *server,
901 const char *share,
902 fstring workgroup,
903 fstring username,
904 fstring password,
905 POLICY_HND *pol)
906 {
907 struct in_addr ip;
908 struct cli_state *ipc_cli;
909 struct rpc_pipe_client *pipe_hnd;
910 NTSTATUS nt_status;
911 SMBCSRV *ipc_srv=NULL;
912
913 /*
914 * See if we've already created this special connection. Reference
915 * our "special" share name '*IPC$', which is an impossible real share
916 * name due to the leading asterisk.
917 */
918 ipc_srv = find_server(context, server, "*IPC$",
919 workgroup, username, password);
920 if (!ipc_srv) {
921
922 /* We didn't find a cached connection. Get the password */
923 if (*password == '\0') {
924 /* ... then retrieve it now. */
925 if (context->internal->_auth_fn_with_context != NULL) {
926 context->internal->_auth_fn_with_context(
927 context,
928 server, share,
929 workgroup, sizeof(fstring),
930 username, sizeof(fstring),
931 password, sizeof(fstring));
932 } else {
933 context->callbacks.auth_fn(
934 server, share,
935 workgroup, sizeof(fstring),
936 username, sizeof(fstring),
937 password, sizeof(fstring));
938 }
939 }
940
941 zero_ip(&ip);
942 nt_status = cli_full_connection(&ipc_cli,
943 global_myname(), server,
944 &ip, 0, "IPC$", "?????",
945 username, workgroup,
946 password, 0,
947 Undefined, NULL);
948 if (! NT_STATUS_IS_OK(nt_status)) {
949 DEBUG(1,("cli_full_connection failed! (%s)\n",
950 nt_errstr(nt_status)));
951 errno = ENOTSUP;
952 return NULL;
953 }
954
955 ipc_srv = SMB_MALLOC_P(SMBCSRV);
956 if (!ipc_srv) {
957 errno = ENOMEM;
958 cli_shutdown(ipc_cli);
959 return NULL;
960 }
961
962 ZERO_STRUCTP(ipc_srv);
963 ipc_srv->cli = *ipc_cli;
964 ipc_srv->cli.allocated = False;
965
966 free(ipc_cli);
967
968 if (pol) {
969 pipe_hnd = cli_rpc_pipe_open_noauth(&ipc_srv->cli,
970 PI_LSARPC,
971 &nt_status);
972 if (!pipe_hnd) {
973 DEBUG(1, ("cli_nt_session_open fail!\n"));
974 errno = ENOTSUP;
975 cli_shutdown(&ipc_srv->cli);
976 free(ipc_srv);
977 return NULL;
978 }
979
980 /*
981 * Some systems don't support
982 * SEC_RIGHTS_MAXIMUM_ALLOWED, but NT sends 0x2000000
983 * so we might as well do it too.
984 */
985
986 nt_status = rpccli_lsa_open_policy(
987 pipe_hnd,
988 ipc_srv->cli.mem_ctx,
989 True,
990 GENERIC_EXECUTE_ACCESS,
991 pol);
992
993 if (!NT_STATUS_IS_OK(nt_status)) {
994 errno = smbc_errno(context, &ipc_srv->cli);
995 cli_shutdown(&ipc_srv->cli);
996 return NULL;
997 }
998 }
999
1000 /* now add it to the cache (internal or external) */
1001
1002 errno = 0; /* let cache function set errno if it likes */
1003 if (context->callbacks.add_cached_srv_fn(context, ipc_srv,
1004 server,
1005 "*IPC$",
1006 workgroup,
1007 username)) {
1008 DEBUG(3, (" Failed to add server to cache\n"));
1009 if (errno == 0) {
1010 errno = ENOMEM;
1011 }
1012 cli_shutdown(&ipc_srv->cli);
1013 free(ipc_srv);
1014 return NULL;
1015 }
1016
1017 DLIST_ADD(context->internal->_servers, ipc_srv);
1018 }
1019
1020 return ipc_srv;
1021 }
1022
1023 /*
1024 * Routine to open() a file ...
1025 */
1026
1027 static SMBCFILE *
1028 smbc_open_ctx(SMBCCTX *context,
1029 const char *fname,
1030 int flags,
1031 mode_t mode)
1032 {
1033 fstring server, share, user, password, workgroup;
1034 pstring path;
1035 pstring targetpath;
1036 struct cli_state *targetcli;
1037 SMBCSRV *srv = NULL;
1038 SMBCFILE *file = NULL;
1039 int fd;
1040
1041 if (!context || !context->internal ||
1042 !context->internal->_initialized) {
1043
1044 errno = EINVAL; /* Best I can think of ... */
1045 return NULL;
1046
1047 }
1048
1049 if (!fname) {
1050
1051 errno = EINVAL;
1052 return NULL;
1053
1054 }
1055
1056 if (smbc_parse_path(context, fname,
1057 workgroup, sizeof(workgroup),
1058 server, sizeof(server),
1059 share, sizeof(share),
1060 path, sizeof(path),
1061 user, sizeof(user),
1062 password, sizeof(password),
1063 NULL, 0)) {
1064 errno = EINVAL;
1065 return NULL;
1066 }
1067
1068 if (user[0] == (char)0) fstrcpy(user, context->user);
1069
1070 srv = smbc_server(context, True,
1071 server, share, workgroup, user, password);
1072
1073 if (!srv) {
1074
1075 if (errno == EPERM) errno = EACCES;
1076 return NULL; /* smbc_server sets errno */
1077
1078 }
1079
1080 /* Hmmm, the test for a directory is suspect here ... FIXME */
1081
1082 if (strlen(path) > 0 && path[strlen(path) - 1] == '\\') {
1083
1084 fd = -1;
1085
1086 }
1087 else {
1088
1089 file = SMB_MALLOC_P(SMBCFILE);
1090
1091 if (!file) {
1092
1093 errno = ENOMEM;
1094 return NULL;
1095
1096 }
1097
1098 ZERO_STRUCTP(file);
1099
1100 /*d_printf(">>>open: resolving %s\n", path);*/
1101 if (!cli_resolve_path( "", &srv->cli, path, &targetcli, targetpath))
1102 {
1103 d_printf("Could not resolve %s\n", path);
1104 SAFE_FREE(file);
1105 return NULL;
1106 }
1107 /*d_printf(">>>open: resolved %s as %s\n", path, targetpath);*/
1108
1109 if ( targetcli->dfsroot )
1110 {
1111 pstring temppath;
1112 pstrcpy(temppath, targetpath);
1113 cli_dfs_make_full_path( targetpath, targetcli->desthost, targetcli->share, temppath);
1114 }
1115
1116 if ((fd = cli_open(targetcli, targetpath, flags, DENY_NONE)) < 0) {
1117
1118 /* Handle the error ... */
1119
1120 SAFE_FREE(file);
1121 errno = smbc_errno(context, targetcli);
1122 return NULL;
1123
1124 }
1125
1126 /* Fill in file struct */
1127
1128 file->cli_fd = fd;
1129 file->fname = SMB_STRDUP(fname);
1130 file->srv = srv;
1131 file->offset = 0;
1132 file->file = True;
1133
1134 DLIST_ADD(context->internal->_files, file);
1135
1136 /*
1137 * If the file was opened in O_APPEND mode, all write
1138 * operations should be appended to the file. To do that,
1139 * though, using this protocol, would require a getattrE()
1140 * call for each and every write, to determine where the end
1141 * of the file is. (There does not appear to be an append flag
1142 * in the protocol.) Rather than add all of that overhead of
1143 * retrieving the current end-of-file offset prior to each
1144 * write operation, we'll assume that most append operations
1145 * will continuously write, so we'll just set the offset to
1146 * the end of the file now and hope that's adequate.
1147 *
1148 * Note to self: If this proves inadequate, and O_APPEND
1149 * should, in some cases, be forced for each write, add a
1150 * field in the context options structure, for
1151 * "strict_append_mode" which would select between the current
1152 * behavior (if FALSE) or issuing a getattrE() prior to each
1153 * write and forcing the write to the end of the file (if
1154 * TRUE). Adding that capability will likely require adding
1155 * an "append" flag into the _SMBCFILE structure to track
1156 * whether a file was opened in O_APPEND mode. -- djl
1157 */
1158 if (flags & O_APPEND) {
1159 if (smbc_lseek_ctx(context, file, 0, SEEK_END) < 0) {
1160 (void) smbc_close_ctx(context, file);
1161 errno = ENXIO;
1162 return NULL;
1163 }
1164 }
1165
1166 return file;
1167
1168 }
1169
1170 /* Check if opendir needed ... */
1171
1172 if (fd == -1) {
1173 int eno = 0;
1174
1175 eno = smbc_errno(context, &srv->cli);
1176 file = context->opendir(context, fname);
1177 if (!file) errno = eno;
1178 return file;
1179
1180 }
1181
1182 errno = EINVAL; /* FIXME, correct errno ? */
1183 return NULL;
1184
1185 }
1186
1187 /*
1188 * Routine to create a file
1189 */
1190
1191 static int creat_bits = O_WRONLY | O_CREAT | O_TRUNC; /* FIXME: Do we need this */
1192
1193 static SMBCFILE *
1194 smbc_creat_ctx(SMBCCTX *context,
1195 const char *path,
1196 mode_t mode)
1197 {
1198
1199 if (!context || !context->internal ||
1200 !context->internal->_initialized) {
1201
1202 errno = EINVAL;
1203 return NULL;
1204
1205 }
1206
1207 return smbc_open_ctx(context, path, creat_bits, mode);
1208 }
1209
1210 /*
1211 * Routine to read() a file ...
1212 */
1213
1214 static ssize_t
1215 smbc_read_ctx(SMBCCTX *context,
1216 SMBCFILE *file,
1217 void *buf,
1218 size_t count)
1219 {
1220 int ret;
1221 fstring server, share, user, password;
1222 pstring path, targetpath;
1223 struct cli_state *targetcli;
1224
1225 /*
1226 * offset:
1227 *
1228 * Compiler bug (possibly) -- gcc (GCC) 3.3.5 (Debian 1:3.3.5-2) --
1229 * appears to pass file->offset (which is type off_t) differently than
1230 * a local variable of type off_t. Using local variable "offset" in
1231 * the call to cli_read() instead of file->offset fixes a problem
1232 * retrieving data at an offset greater than 4GB.
1233 */
1234 off_t offset;
1235
1236 if (!context || !context->internal ||
1237 !context->internal->_initialized) {
1238
1239 errno = EINVAL;
1240 return -1;
1241
1242 }
1243
1244 DEBUG(4, ("smbc_read(%p, %d)\n", file, (int)count));
1245
1246 if (!file || !DLIST_CONTAINS(context->internal->_files, file)) {
1247
1248 errno = EBADF;
1249 return -1;
1250
1251 }
1252
1253 offset = file->offset;
1254
1255 /* Check that the buffer exists ... */
1256
1257 if (buf == NULL) {
1258
1259 errno = EINVAL;
1260 return -1;
1261
1262 }
1263
1264 /*d_printf(">>>read: parsing %s\n", file->fname);*/
1265 if (smbc_parse_path(context, file->fname,
1266 NULL, 0,
1267 server, sizeof(server),
1268 share, sizeof(share),
1269 path, sizeof(path),
1270 user, sizeof(user),
1271 password, sizeof(password),
1272 NULL, 0)) {
1273 errno = EINVAL;
1274 return -1;
1275 }
1276
1277 /*d_printf(">>>read: resolving %s\n", path);*/
1278 if (!cli_resolve_path("", &file->srv->cli, path,
1279 &targetcli, targetpath))
1280 {
1281 d_printf("Could not resolve %s\n", path);
1282 return -1;
1283 }
1284 /*d_printf(">>>fstat: resolved path as %s\n", targetpath);*/
1285
1286 ret = cli_read(targetcli, file->cli_fd, buf, offset, count);
1287
1288 if (ret < 0) {
1289
1290 errno = smbc_errno(context, targetcli);
1291 return -1;
1292
1293 }
1294
1295 file->offset += ret;
1296
1297 DEBUG(4, (" --> %d\n", ret));
1298
1299 return ret; /* Success, ret bytes of data ... */
1300
1301 }
1302
1303 /*
1304 * Routine to write() a file ...
1305 */
1306
1307 static ssize_t
1308 smbc_write_ctx(SMBCCTX *context,
1309 SMBCFILE *file,
1310 void *buf,
1311 size_t count)
1312 {
1313 int ret;
1314 off_t offset;
1315 fstring server, share, user, password;
1316 pstring path, targetpath;
1317 struct cli_state *targetcli;
1318
1319 /* First check all pointers before dereferencing them */
1320
1321 if (!context || !context->internal ||
1322 !context->internal->_initialized) {
1323
1324 errno = EINVAL;
1325 return -1;
1326
1327 }
1328
1329 if (!file || !DLIST_CONTAINS(context->internal->_files, file)) {
1330
1331 errno = EBADF;
1332 return -1;
1333
1334 }
1335
1336 /* Check that the buffer exists ... */
1337
1338 if (buf == NULL) {
1339
1340 errno = EINVAL;
1341 return -1;
1342
1343 }
1344
1345 offset = file->offset; /* See "offset" comment in smbc_read_ctx() */
1346
1347 /*d_printf(">>>write: parsing %s\n", file->fname);*/
1348 if (smbc_parse_path(context, file->fname,
1349 NULL, 0,
1350 server, sizeof(server),
1351 share, sizeof(share),
1352 path, sizeof(path),
1353 user, sizeof(user),
1354 password, sizeof(password),
1355 NULL, 0)) {
1356 errno = EINVAL;
1357 return -1;
1358 }
1359
1360 /*d_printf(">>>write: resolving %s\n", path);*/
1361 if (!cli_resolve_path("", &file->srv->cli, path,
1362 &targetcli, targetpath))
1363 {
1364 d_printf("Could not resolve %s\n", path);
1365 return -1;
1366 }
1367 /*d_printf(">>>write: resolved path as %s\n", targetpath);*/
1368
1369
1370 ret = cli_write(targetcli, file->cli_fd, 0, buf, offset, count);
1371
1372 if (ret <= 0) {
1373
1374 errno = smbc_errno(context, targetcli);
1375 return -1;
1376
1377 }
1378
1379 file->offset += ret;
1380
1381 return ret; /* Success, 0 bytes of data ... */
1382 }
1383
1384 /*
1385 * Routine to close() a file ...
1386 */
1387
1388 static int
1389 smbc_close_ctx(SMBCCTX *context,
1390 SMBCFILE *file)
1391 {
1392 SMBCSRV *srv;
1393 fstring server, share, user, password;
1394 pstring path, targetpath;
1395 struct cli_state *targetcli;
1396
1397 if (!context || !context->internal ||
1398 !context->internal->_initialized) {
1399
1400 errno = EINVAL;
1401 return -1;
1402
1403 }
1404
1405 if (!file || !DLIST_CONTAINS(context->internal->_files, file)) {
1406
1407 errno = EBADF;
1408 return -1;
1409
1410 }
1411
1412 /* IS a dir ... */
1413 if (!file->file) {
1414
1415 return context->closedir(context, file);
1416
1417 }
1418
1419 /*d_printf(">>>close: parsing %s\n", file->fname);*/
1420 if (smbc_parse_path(context, file->fname,
1421 NULL, 0,
1422 server, sizeof(server),
1423 share, sizeof(share),
1424 path, sizeof(path),
1425 user, sizeof(user),
1426 password, sizeof(password),
1427 NULL, 0)) {
1428 errno = EINVAL;
1429 return -1;
1430 }
1431
1432 /*d_printf(">>>close: resolving %s\n", path);*/
1433 if (!cli_resolve_path("", &file->srv->cli, path,
1434 &targetcli, targetpath))
1435 {
1436 d_printf("Could not resolve %s\n", path);
1437 return -1;
1438 }
1439 /*d_printf(">>>close: resolved path as %s\n", targetpath);*/
1440
1441 if (!cli_close(targetcli, file->cli_fd)) {
1442
1443 DEBUG(3, ("cli_close failed on %s. purging server.\n",
1444 file->fname));
1445 /* Deallocate slot and remove the server
1446 * from the server cache if unused */
1447 errno = smbc_errno(context, targetcli);
1448 srv = file->srv;
1449 DLIST_REMOVE(context->internal->_files, file);
1450 SAFE_FREE(file->fname);
1451 SAFE_FREE(file);
1452 context->callbacks.remove_unused_server_fn(context, srv);
1453
1454 return -1;
1455
1456 }
1457
1458 DLIST_REMOVE(context->internal->_files, file);
1459 SAFE_FREE(file->fname);
1460 SAFE_FREE(file);
1461
1462 return 0;
1463 }
1464
1465 /*
1466 * Get info from an SMB server on a file. Use a qpathinfo call first
1467 * and if that fails, use getatr, as Win95 sometimes refuses qpathinfo
1468 */
1469 static BOOL
1470 smbc_getatr(SMBCCTX * context,
1471 SMBCSRV *srv,
1472 char *path,
1473 uint16 *mode,
1474 SMB_OFF_T *size,
1475 time_t *c_time,
1476 time_t *a_time,
1477 time_t *m_time,
1478 SMB_INO_T *ino)
1479 {
1480 pstring fixedpath;
1481 pstring targetpath;
1482 struct cli_state *targetcli;
1483
1484 if (!context || !context->internal ||
1485 !context->internal->_initialized) {
1486
1487 errno = EINVAL;
1488 return -1;
1489
1490 }
1491
1492 /* path fixup for . and .. */
1493 if (strequal(path, ".") || strequal(path, ".."))
1494 pstrcpy(fixedpath, "\\");
1495 else
1496 {
1497 pstrcpy(fixedpath, path);
1498 trim_string(fixedpath, NULL, "\\..");
1499 trim_string(fixedpath, NULL, "\\.");
1500 }
1501 DEBUG(4,("smbc_getatr: sending qpathinfo\n"));
1502
1503 if (!cli_resolve_path( "", &srv->cli, fixedpath, &targetcli, targetpath))
1504 {
1505 d_printf("Couldn't resolve %s\n", path);
1506 return False;
1507 }
1508
1509 if ( targetcli->dfsroot )
1510 {
1511 pstring temppath;
1512 pstrcpy(temppath, targetpath);
1513 cli_dfs_make_full_path(targetpath, targetcli->desthost,
1514 targetcli->share, temppath);
1515 }
1516
1517 if (!srv->no_pathinfo2 &&
1518 cli_qpathinfo2(targetcli, targetpath,
1519 NULL, a_time, m_time, c_time, size, mode, ino)) {
1520 return True;
1521 }
1522
1523 /* if this is NT then don't bother with the getatr */
1524 if (targetcli->capabilities & CAP_NT_SMBS) {
1525 errno = EPERM;
1526 return False;
1527 }
1528
1529 if (cli_getatr(targetcli, targetpath, mode, size, m_time)) {
1530 if (m_time != NULL) {
1531 if (a_time != NULL) *a_time = *m_time;
1532 if (c_time != NULL) *c_time = *m_time;
1533 }
1534 srv->no_pathinfo2 = True;
1535 return True;
1536 }
1537
1538 errno = EPERM;
1539 return False;
1540
1541 }
1542
1543 /*
1544 * Set file info on an SMB server. Use setpathinfo call first. If that
1545 * fails, use setattrE..
1546 *
1547 * Access and modification time parameters are always used and must be
1548 * provided. Create time, if zero, will be determined from the actual create
1549 * time of the file. If non-zero, the create time will be set as well.
1550 *
1551 * "mode" (attributes) parameter may be set to -1 if it is not to be set.
1552 */
1553 static BOOL
1554 smbc_setatr(SMBCCTX * context, SMBCSRV *srv, char *path,
1555 time_t c_time, time_t a_time, time_t m_time,
1556 uint16 mode)
1557 {
1558 int fd;
1559 int ret;
1560
1561 /*
1562 * First, try setpathinfo (if qpathinfo succeeded), for it is the
1563 * modern function for "new code" to be using, and it works given a
1564 * filename rather than requiring that the file be opened to have its
1565 * attributes manipulated.
1566 */
1567 if (srv->no_pathinfo ||
1568 ! cli_setpathinfo(&srv->cli, path, c_time, a_time, m_time, mode)) {
1569
1570 /*
1571 * setpathinfo is not supported; go to plan B.
1572 *
1573 * cli_setatr() does not work on win98, and it also doesn't
1574 * support setting the access time (only the modification
1575 * time), so in all cases, we open the specified file and use
1576 * cli_setattrE() which should work on all OS versions, and
1577 * supports both times.
1578 */
1579
1580 /* Don't try {q,set}pathinfo() again, with this server */
1581 srv->no_pathinfo = True;
1582
1583 /* Open the file */
1584 if ((fd = cli_open(&srv->cli, path, O_RDWR, DENY_NONE)) < 0) {
1585
1586 errno = smbc_errno(context, &srv->cli);
1587 return -1;
1588 }
1589
1590 /*
1591 * Get the creat time of the file (if it wasn't provided).
1592 * We'll need it in the set call
1593 */
1594 if (c_time == 0) {
1595 ret = cli_getattrE(&srv->cli, fd,
1596 NULL, NULL,
1597 &c_time, NULL, NULL);
1598 } else {
1599 ret = True;
1600 }
1601
1602 /* If we got create time, set times */
1603 if (ret) {
1604 /* Some OS versions don't support create time */
1605 if (c_time == 0 || c_time == -1) {
1606 c_time = time(NULL);
1607 }
1608
1609 /*
1610 * For sanity sake, since there is no POSIX function
1611 * to set the create time of a file, if the existing
1612 * create time is greater than either of access time
1613 * or modification time, set create time to the
1614 * smallest of those. This ensure that the create
1615 * time of a file is never greater than its last
1616 * access or modification time.
1617 */
1618 if (c_time > a_time) c_time = a_time;
1619 if (c_time > m_time) c_time = m_time;
1620
1621 /* Set the new attributes */
1622 ret = cli_setattrE(&srv->cli, fd,
1623 c_time, a_time, m_time);
1624 cli_close(&srv->cli, fd);
1625 }
1626
1627 /*
1628 * Unfortunately, setattrE() doesn't have a provision for
1629 * setting the access mode (attributes). We'll have to try
1630 * cli_setatr() for that, and with only this parameter, it
1631 * seems to work on win98.
1632 */
1633 if (ret && mode != (uint16) -1) {
1634 ret = cli_setatr(&srv->cli, path, mode, 0);
1635 }
1636
1637 if (! ret) {
1638 errno = smbc_errno(context, &srv->cli);
1639 return False;
1640 }
1641 }
1642
1643 return True;
1644 }
1645
1646 /*
1647 * Routine to unlink() a file
1648 */
1649
1650 static int
1651 smbc_unlink_ctx(SMBCCTX *context,
1652 const char *fname)
1653 {
1654 fstring server, share, user, password, workgroup;
1655 pstring path, targetpath;
1656 struct cli_state *targetcli;
1657 SMBCSRV *srv = NULL;
1658
1659 if (!context || !context->internal ||
1660 !context->internal->_initialized) {
1661
1662 errno = EINVAL; /* Best I can think of ... */
1663 return -1;
1664
1665 }
1666
1667 if (!fname) {
1668
1669 errno = EINVAL;
1670 return -1;
1671
1672 }
1673
1674 if (smbc_parse_path(context, fname,
1675 workgroup, sizeof(workgroup),
1676 server, sizeof(server),
1677 share, sizeof(share),
1678 path, sizeof(path),
1679 user, sizeof(user),
1680 password, sizeof(password),
1681 NULL, 0)) {
1682 errno = EINVAL;
1683 return -1;
1684 }
1685
1686 if (user[0] == (char)0) fstrcpy(user, context->user);
1687
1688 srv = smbc_server(context, True,
1689 server, share, workgroup, user, password);
1690
1691 if (!srv) {
1692
1693 return -1; /* smbc_server sets errno */
1694
1695 }
1696
1697 /*d_printf(">>>unlink: resolving %s\n", path);*/
1698 if (!cli_resolve_path( "", &srv->cli, path, &targetcli, targetpath))
1699 {
1700 d_printf("Could not resolve %s\n", path);
1701 return -1;
1702 }
1703 /*d_printf(">>>unlink: resolved path as %s\n", targetpath);*/
1704
1705 if (!cli_unlink(targetcli, targetpath)) {
1706
1707 errno = smbc_errno(context, targetcli);
1708
1709 if (errno == EACCES) { /* Check if the file is a directory */
1710
1711 int saverr = errno;
1712 SMB_OFF_T size = 0;
1713 uint16 mode = 0;
1714 time_t m_time = 0, a_time = 0, c_time = 0;
1715 SMB_INO_T ino = 0;
1716
1717 if (!smbc_getatr(context, srv, path, &mode, &size,
1718 &c_time, &a_time, &m_time, &ino)) {
1719
1720 /* Hmmm, bad error ... What? */
1721
1722 errno = smbc_errno(context, targetcli);
1723 return -1;
1724
1725 }
1726 else {
1727
1728 if (IS_DOS_DIR(mode))
1729 errno = EISDIR;
1730 else
1731 errno = saverr; /* Restore this */
1732
1733 }
1734 }
1735
1736 return -1;
1737
1738 }
1739
1740 return 0; /* Success ... */
1741
1742 }
1743
1744 /*
1745 * Routine to rename() a file
1746 */
1747
1748 static int
1749 smbc_rename_ctx(SMBCCTX *ocontext,
1750 const char *oname,
1751 SMBCCTX *ncontext,
1752 const char *nname)
1753 {
1754 fstring server1;
1755 fstring share1;
1756 fstring server2;
1757 fstring share2;
1758 fstring user1;
1759 fstring user2;
1760 fstring password1;
1761 fstring password2;
1762 fstring workgroup;
1763 pstring path1;
1764 pstring path2;
1765 pstring targetpath1;
1766 pstring targetpath2;
1767 struct cli_state *targetcli1;
1768 struct cli_state *targetcli2;
1769 SMBCSRV *srv = NULL;
1770
1771 if (!ocontext || !ncontext ||
1772 !ocontext->internal || !ncontext->internal ||
1773 !ocontext->internal->_initialized ||
1774 !ncontext->internal->_initialized) {
1775
1776 errno = EINVAL; /* Best I can think of ... */
1777 return -1;
1778
1779 }
1780
1781 if (!oname || !nname) {
1782
1783 errno = EINVAL;
1784 return -1;
1785
1786 }
1787
1788 DEBUG(4, ("smbc_rename(%s,%s)\n", oname, nname));
1789
1790 smbc_parse_path(ocontext, oname,
1791 workgroup, sizeof(workgroup),
1792 server1, sizeof(server1),
1793 share1, sizeof(share1),
1794 path1, sizeof(path1),
1795 user1, sizeof(user1),
1796 password1, sizeof(password1),
1797 NULL, 0);
1798
1799 if (user1[0] == (char)0) fstrcpy(user1, ocontext->user);
1800
1801 smbc_parse_path(ncontext, nname,
1802 NULL, 0,
1803 server2, sizeof(server2),
1804 share2, sizeof(share2),
1805 path2, sizeof(path2),
1806 user2, sizeof(user2),
1807 password2, sizeof(password2),
1808 NULL, 0);
1809
1810 if (user2[0] == (char)0) fstrcpy(user2, ncontext->user);
1811
1812 if (strcmp(server1, server2) || strcmp(share1, share2) ||
1813 strcmp(user1, user2)) {
1814
1815 /* Can't rename across file systems, or users?? */
1816
1817 errno = EXDEV;
1818 return -1;
1819
1820 }
1821
1822 srv = smbc_server(ocontext, True,
1823 server1, share1, workgroup, user1, password1);
1824 if (!srv) {
1825
1826 return -1;
1827
1828 }
1829
1830 /*d_printf(">>>rename: resolving %s\n", path1);*/
1831 if (!cli_resolve_path( "", &srv->cli, path1, &targetcli1, targetpath1))
1832 {
1833 d_printf("Could not resolve %s\n", path1);
1834 return -1;
1835 }
1836 /*d_printf(">>>rename: resolved path as %s\n", targetpath1);*/
1837 /*d_printf(">>>rename: resolving %s\n", path2);*/
1838 if (!cli_resolve_path( "", &srv->cli, path2, &targetcli2, targetpath2))
1839 {
1840 d_printf("Could not resolve %s\n", path2);
1841 return -1;
1842 }
1843 /*d_printf(">>>rename: resolved path as %s\n", targetpath2);*/
1844
1845 if (strcmp(targetcli1->desthost, targetcli2->desthost) ||
1846 strcmp(targetcli1->share, targetcli2->share))
1847 {
1848 /* can't rename across file systems */
1849
1850 errno = EXDEV;
1851 return -1;
1852 }
1853
1854 if (!cli_rename(targetcli1, targetpath1, targetpath2)) {
1855 int eno = smbc_errno(ocontext, targetcli1);
1856
1857 if (eno != EEXIST ||
1858 !cli_unlink(targetcli1, targetpath2) ||
1859 !cli_rename(targetcli1, targetpath1, targetpath2)) {
1860
1861 errno = eno;
1862 return -1;
1863
1864 }
1865 }
1866
1867 return 0; /* Success */
1868
1869 }
1870
1871 /*
1872 * A routine to lseek() a file
1873 */
1874
1875 static off_t
1876 smbc_lseek_ctx(SMBCCTX *context,
1877 SMBCFILE *file,
1878 off_t offset,
1879 int whence)
1880 {
1881 SMB_OFF_T size;
1882 fstring server, share, user, password;
1883 pstring path, targetpath;
1884 struct cli_state *targetcli;
1885
1886 if (!context || !context->internal ||
1887 !context->internal->_initialized) {
1888
1889 errno = EINVAL;
1890 return -1;
1891
1892 }
1893
1894 if (!file || !DLIST_CONTAINS(context->internal->_files, file)) {
1895
1896 errno = EBADF;
1897 return -1;
1898
1899 }
1900
1901 if (!file->file) {
1902
1903 errno = EINVAL;
1904 return -1; /* Can't lseek a dir ... */
1905
1906 }
1907
1908 switch (whence) {
1909 case SEEK_SET:
1910 file->offset = offset;
1911 break;
1912
1913 case SEEK_CUR:
1914 file->offset += offset;
1915 break;
1916
1917 case SEEK_END:
1918 /*d_printf(">>>lseek: parsing %s\n", file->fname);*/
1919 if (smbc_parse_path(context, file->fname,
1920 NULL, 0,
1921 server, sizeof(server),
1922 share, sizeof(share),
1923 path, sizeof(path),
1924 user, sizeof(user),
1925 password, sizeof(password),
1926 NULL, 0)) {
1927
1928 errno = EINVAL;
1929 return -1;
1930 }
1931
1932 /*d_printf(">>>lseek: resolving %s\n", path);*/
1933 if (!cli_resolve_path("", &file->srv->cli, path,
1934 &targetcli, targetpath))
1935 {
1936 d_printf("Could not resolve %s\n", path);
1937 return -1;
1938 }
1939 /*d_printf(">>>lseek: resolved path as %s\n", targetpath);*/
1940
1941 if (!cli_qfileinfo(targetcli, file->cli_fd, NULL,
1942 &size, NULL, NULL, NULL, NULL, NULL))
1943 {
1944 SMB_OFF_T b_size = size;
1945 if (!cli_getattrE(targetcli, file->cli_fd,
1946 NULL, &b_size, NULL, NULL, NULL))
1947 {
1948 errno = EINVAL;
1949 return -1;
1950 } else
1951 size = b_size;
1952 }
1953 file->offset = size + offset;
1954 break;
1955
1956 default:
1957 errno = EINVAL;
1958 break;
1959
1960 }
1961
1962 return file->offset;
1963
1964 }
1965
1966 /*
1967 * Generate an inode number from file name for those things that need it
1968 */
1969
1970 static ino_t
1971 smbc_inode(SMBCCTX *context,
1972 const char *name)
1973 {
1974
1975 if (!context || !context->internal ||
1976 !context->internal->_initialized) {
1977
1978 errno = EINVAL;
1979 return -1;
1980
1981 }
1982
1983 if (!*name) return 2; /* FIXME, why 2 ??? */
1984 return (ino_t)str_checksum(name);
1985
1986 }
1987
1988 /*
1989 * Routine to put basic stat info into a stat structure ... Used by stat and
1990 * fstat below.
1991 */
1992
1993 static int
1994 smbc_setup_stat(SMBCCTX *context,
1995 struct stat *st,
1996 char *fname,
1997 SMB_OFF_T size,
1998 int mode)
1999 {
2000
2001 st->st_mode = 0;
2002
2003 if (IS_DOS_DIR(mode)) {
2004 st->st_mode = SMBC_DIR_MODE;
2005 } else {
2006 st->st_mode = SMBC_FILE_MODE;
2007 }
2008
2009 if (IS_DOS_ARCHIVE(mode)) st->st_mode |= S_IXUSR;
2010 if (IS_DOS_SYSTEM(mode)) st->st_mode |= S_IXGRP;
2011 if (IS_DOS_HIDDEN(mode)) st->st_mode |= S_IXOTH;
2012 if (!IS_DOS_READONLY(mode)) st->st_mode |= S_IWUSR;
2013
2014 st->st_size = size;
2015 #ifdef HAVE_STAT_ST_BLKSIZE
2016 st->st_blksize = 512;
2017 #endif
2018 #ifdef HAVE_STAT_ST_BLOCKS
2019 st->st_blocks = (size+511)/512;
2020 #endif
2021 st->st_uid = getuid();
2022 st->st_gid = getgid();
2023
2024 if (IS_DOS_DIR(mode)) {
2025 st->st_nlink = 2;
2026 } else {
2027 st->st_nlink = 1;
2028 }
2029
2030 if (st->st_ino == 0) {
2031 st->st_ino = smbc_inode(context, fname);
2032 }
2033
2034 return True; /* FIXME: Is this needed ? */
2035
2036 }
2037
2038 /*
2039 * Routine to stat a file given a name
2040 */
2041
2042 static int
2043 smbc_stat_ctx(SMBCCTX *context,
2044 const char *fname,
2045 struct stat *st)
2046 {
2047 SMBCSRV *srv;
2048 fstring server;
2049 fstring share;
2050 fstring user;
2051 fstring password;
2052 fstring workgroup;
2053 pstring path;
2054 time_t m_time = 0;
2055 time_t a_time = 0;
2056 time_t c_time = 0;
2057 SMB_OFF_T size = 0;
2058 uint16 mode = 0;
2059 SMB_INO_T ino = 0;
2060
2061 if (!context || !context->internal ||
2062 !context->internal->_initialized) {
2063
2064 errno = EINVAL; /* Best I can think of ... */
2065 return -1;
2066
2067 }
2068
2069 if (!fname) {
2070
2071 errno = EINVAL;
2072 return -1;
2073
2074 }
2075
2076 DEBUG(4, ("smbc_stat(%s)\n", fname));
2077
2078 if (smbc_parse_path(context, fname,
2079 workgroup, sizeof(workgroup),
2080 server, sizeof(server),
2081 share, sizeof(share),
2082 path, sizeof(path),
2083 user, sizeof(user),
2084 password, sizeof(password),
2085 NULL, 0)) {
2086 errno = EINVAL;
2087 return -1;
2088 }
2089
2090 if (user[0] == (char)0) fstrcpy(user, context->user);
2091
2092 srv = smbc_server(context, True,
2093 server, share, workgroup, user, password);
2094
2095 if (!srv) {
2096 return -1; /* errno set by smbc_server */
2097 }
2098
2099 if (!smbc_getatr(context, srv, path, &mode, &size,
2100 &c_time, &a_time, &m_time, &ino)) {
2101
2102 errno = smbc_errno(context, &srv->cli);
2103 return -1;
2104
2105 }
2106
2107 st->st_ino = ino;
2108
2109 smbc_setup_stat(context, st, path, size, mode);
2110
2111 st->st_atime = a_time;
2112 st->st_ctime = c_time;
2113 st->st_mtime = m_time;
2114 st->st_dev = srv->dev;
2115
2116 return 0;
2117
2118 }
2119
2120 /*
2121 * Routine to stat a file given an fd
2122 */
2123
2124 static int
2125 smbc_fstat_ctx(SMBCCTX *context,
2126 SMBCFILE *file,
2127 struct stat *st)
2128 {
2129 time_t c_time;
2130 time_t a_time;
2131 time_t m_time;
2132 SMB_OFF_T size;
2133 uint16 mode;
2134 fstring server;
2135 fstring share;
2136 fstring user;
2137 fstring password;
2138 pstring path;
2139 pstring targetpath;
2140 struct cli_state *targetcli;
2141 SMB_INO_T ino = 0;
2142
2143 if (!context || !context->internal ||
2144 !context->internal->_initialized) {
2145
2146 errno = EINVAL;
2147 return -1;
2148
2149 }
2150
2151 if (!file || !DLIST_CONTAINS(context->internal->_files, file)) {
2152
2153 errno = EBADF;
2154 return -1;
2155
2156 }
2157
2158 if (!file->file) {
2159
2160 return context->fstatdir(context, file, st);
2161
2162 }
2163
2164 /*d_printf(">>>fstat: parsing %s\n", file->fname);*/
2165 if (smbc_parse_path(context, file->fname,
2166 NULL, 0,
2167 server, sizeof(server),
2168 share, sizeof(share),
2169 path, sizeof(path),
2170 user, sizeof(user),
2171 password, sizeof(password),
2172 NULL, 0)) {
2173 errno = EINVAL;
2174 return -1;
2175 }
2176
2177 /*d_printf(">>>fstat: resolving %s\n", path);*/
2178 if (!cli_resolve_path("", &file->srv->cli, path,
2179 &targetcli, targetpath))
2180 {
2181 d_printf("Could not resolve %s\n", path);
2182 return -1;
2183 }
2184 /*d_printf(">>>fstat: resolved path as %s\n", targetpath);*/
2185
2186 if (!cli_qfileinfo(targetcli, file->cli_fd, &mode, &size,
2187 NULL, &a_time, &m_time, &c_time, &ino)) {
2188 if (!cli_getattrE(targetcli, file->cli_fd, &mode, &size,
2189 &c_time, &a_time, &m_time)) {
2190
2191 errno = EINVAL;
2192 return -1;
2193 }
2194 }
2195
2196 st->st_ino = ino;
2197
2198 smbc_setup_stat(context, st, file->fname, size, mode);
2199
2200 st->st_atime = a_time;
2201 st->st_ctime = c_time;
2202 st->st_mtime = m_time;
2203 st->st_dev = file->srv->dev;
2204
2205 return 0;
2206
2207 }
2208
2209 /*
2210 * Routine to open a directory
2211 * We accept the URL syntax explained in smbc_parse_path(), above.
2212 */
2213
2214 static void
2215 smbc_remove_dir(SMBCFILE *dir)
2216 {
2217 struct smbc_dir_list *d,*f;
2218
2219 d = dir->dir_list;
2220 while (d) {
2221
2222 f = d; d = d->next;
2223
2224 SAFE_FREE(f->dirent);
2225 SAFE_FREE(f);
2226
2227 }
2228
2229 dir->dir_list = dir->dir_end = dir->dir_next = NULL;
2230
2231 }
2232
2233 static int
2234 add_dirent(SMBCFILE *dir,
2235 const char *name,
2236 const char *comment,
2237 uint32 type)
2238 {
2239 struct smbc_dirent *dirent;
2240 int size;
2241 int name_length = (name == NULL ? 0 : strlen(name));
2242 int comment_len = (comment == NULL ? 0 : strlen(comment));
2243
2244 /*
2245 * Allocate space for the dirent, which must be increased by the
2246 * size of the name and the comment and 1 each for the null terminator.
2247 */
2248
2249 size = sizeof(struct smbc_dirent) + name_length + comment_len + 2;
2250
2251 dirent = SMB_MALLOC(size);
2252
2253 if (!dirent) {
2254
2255 dir->dir_error = ENOMEM;
2256 return -1;
2257
2258 }
2259
2260 ZERO_STRUCTP(dirent);
2261
2262 if (dir->dir_list == NULL) {
2263
2264 dir->dir_list = SMB_MALLOC_P(struct smbc_dir_list);
2265 if (!dir->dir_list) {
2266
2267 SAFE_FREE(dirent);
2268 dir->dir_error = ENOMEM;
2269 return -1;
2270
2271 }
2272 ZERO_STRUCTP(dir->dir_list);
2273
2274 dir->dir_end = dir->dir_next = dir->dir_list;
2275 }
2276 else {
2277
2278 dir->dir_end->next = SMB_MALLOC_P(struct smbc_dir_list);
2279
2280 if (!dir->dir_end->next) {
2281
2282 SAFE_FREE(dirent);
2283 dir->dir_error = ENOMEM;
2284 return -1;
2285
2286 }
2287 ZERO_STRUCTP(dir->dir_end->next);
2288
2289 dir->dir_end = dir->dir_end->next;
2290 }
2291
2292 dir->dir_end->next = NULL;
2293 dir->dir_end->dirent = dirent;
2294
2295 dirent->smbc_type = type;
2296 dirent->namelen = name_length;
2297 dirent->commentlen = comment_len;
2298 dirent->dirlen = size;
2299
2300 /*
2301 * dirent->namelen + 1 includes the null (no null termination needed)
2302 * Ditto for dirent->commentlen.
2303 * The space for the two null bytes was allocated.
2304 */
2305 strncpy(dirent->name, (name?name:""), dirent->namelen + 1);
2306 dirent->comment = (char *)(&dirent->name + dirent->namelen + 1);
2307 strncpy(dirent->comment, (comment?comment:""), dirent->commentlen + 1);
2308
2309 return 0;
2310
2311 }
2312
2313 static void
2314 list_unique_wg_fn(const char *name,
2315 uint32 type,
2316 const char *comment,
2317 void *state)
2318 {
2319 SMBCFILE *dir = (SMBCFILE *)state;
2320 struct smbc_dir_list *dir_list;
2321 struct smbc_dirent *dirent;
2322 int dirent_type;
2323 int do_remove = 0;
2324
2325 dirent_type = dir->dir_type;
2326
2327 if (add_dirent(dir, name, comment, dirent_type) < 0) {
2328
2329 /* An error occurred, what do we do? */
2330 /* FIXME: Add some code here */
2331 }
2332
2333 /* Point to the one just added */
2334 dirent = dir->dir_end->dirent;
2335
2336 /* See if this was a duplicate */
2337 for (dir_list = dir->dir_list;
2338 dir_list != dir->dir_end;
2339 dir_list = dir_list->next) {
2340 if (! do_remove &&
2341 strcmp(dir_list->dirent->name, dirent->name) == 0) {
2342 /* Duplicate. End end of list need to be removed. */
2343 do_remove = 1;
2344 }
2345
2346 if (do_remove && dir_list->next == dir->dir_end) {
2347 /* Found the end of the list. Remove it. */
2348 dir->dir_end = dir_list;
2349 free(dir_list->next);
2350 free(dirent);
2351 dir_list->next = NULL;
2352 break;
2353 }
2354 }
2355 }
2356
2357 static void
2358 list_fn(const char *name,
2359 uint32 type,
2360 const char *comment,
2361 void *state)
2362 {
2363 SMBCFILE *dir = (SMBCFILE *)state;
2364 int dirent_type;
2365
2366 /*
2367 * We need to process the type a little ...
2368 *
2369 * Disk share = 0x00000000
2370 * Print share = 0x00000001
2371 * Comms share = 0x00000002 (obsolete?)
2372 * IPC$ share = 0x00000003
2373 *
2374 * administrative shares:
2375 * ADMIN$, IPC$, C$, D$, E$ ... are type |= 0x80000000
2376 */
2377
2378 if (dir->dir_type == SMBC_FILE_SHARE) {
2379
2380 switch (type) {
2381 case 0 | 0x80000000:
2382 case 0:
2383 dirent_type = SMBC_FILE_SHARE;
2384 break;
2385
2386 case 1:
2387 dirent_type = SMBC_PRINTER_SHARE;
2388 break;
2389
2390 case 2:
2391 dirent_type = SMBC_COMMS_SHARE;
2392 break;
2393
2394 case 3 | 0x80000000:
2395 case 3:
2396 dirent_type = SMBC_IPC_SHARE;
2397 break;
2398
2399 default:
2400 dirent_type = SMBC_FILE_SHARE; /* FIXME, error? */
2401 break;
2402 }
2403 }
2404 else {
2405 dirent_type = dir->dir_type;
2406 }
2407
2408 if (add_dirent(dir, name, comment, dirent_type) < 0) {
2409
2410 /* An error occurred, what do we do? */
2411 /* FIXME: Add some code here */
2412
2413 }
2414 }
2415
2416 static void
2417 dir_list_fn(const char *mnt,
2418 file_info *finfo,
2419 const char *mask,
2420 void *state)
2421 {
2422
2423 if (add_dirent((SMBCFILE *)state, finfo->name, "",
2424 (finfo->mode&aDIR?SMBC_DIR:SMBC_FILE)) < 0) {
2425
2426 /* Handle an error ... */
2427
2428 /* FIXME: Add some code ... */
2429
2430 }
2431
2432 }
2433
2434 static int
2435 net_share_enum_rpc(struct cli_state *cli,
2436 void (*fn)(const char *name,
2437 uint32 type,
2438 const char *comment,
2439 void *state),
2440 void *state)
2441 {
2442 int i;
2443 WERROR result;
2444 ENUM_HND enum_hnd;
2445 uint32 info_level = 1;
2446 uint32 preferred_len = 0xffffffff;
2447 uint32 type;
2448 SRV_SHARE_INFO_CTR ctr;
2449 fstring name = "";
2450 fstring comment = "";
2451 void *mem_ctx;
2452 struct rpc_pipe_client *pipe_hnd;
2453 NTSTATUS nt_status;
2454
2455 /* Open the server service pipe */
2456 pipe_hnd = cli_rpc_pipe_open_noauth(cli, PI_SRVSVC, &nt_status);
2457 if (!pipe_hnd) {
2458 DEBUG(1, ("net_share_enum_rpc pipe open fail!\n"));
2459 return -1;
2460 }
2461
2462 /* Allocate a context for parsing and for the entries in "ctr" */
2463 mem_ctx = talloc_init("libsmbclient: net_share_enum_rpc");
2464 if (mem_ctx == NULL) {
2465 DEBUG(0, ("out of memory for net_share_enum_rpc!\n"));
2466 cli_rpc_pipe_close(pipe_hnd);
2467 return -1;
2468 }
2469
2470 /* Issue the NetShareEnum RPC call and retrieve the response */
2471 init_enum_hnd(&enum_hnd, 0);
2472 result = rpccli_srvsvc_net_share_enum(pipe_hnd,
2473 mem_ctx,
2474 info_level,
2475 &ctr,
2476 preferred_len,
2477 &enum_hnd);
2478
2479 /* Was it successful? */
2480 if (!W_ERROR_IS_OK(result) || ctr.num_entries == 0) {
2481 /* Nope. Go clean up. */
2482 goto done;
2483 }
2484
2485 /* For each returned entry... */
2486 for (i = 0; i < ctr.num_entries; i++) {
2487
2488 /* pull out the share name */
2489 rpcstr_pull_unistr2_fstring(
2490 name, &ctr.share.info1[i].info_1_str.uni_netname);
2491
2492 /* pull out the share's comment */
2493 rpcstr_pull_unistr2_fstring(
2494 comment, &ctr.share.info1[i].info_1_str.uni_remark);
2495
2496 /* Get the type value */
2497 type = ctr.share.info1[i].info_1.type;
2498
2499 /* Add this share to the list */
2500 (*fn)(name, type, comment, state);
2501 }
2502
2503 done:
2504 /* Close the server service pipe */
2505 cli_rpc_pipe_close(pipe_hnd);
2506
2507 /* Free all memory which was allocated for this request */
2508 TALLOC_FREE(mem_ctx);
2509
2510 /* Tell 'em if it worked */
2511 return W_ERROR_IS_OK(result) ? 0 : -1;
2512 }
2513
2514
2515
2516 static SMBCFILE *
2517 smbc_opendir_ctx(SMBCCTX *context,
2518 const char *fname)
2519 {
2520 fstring server, share, user, password, options;
2521 pstring workgroup;
2522 pstring path;
2523 uint16 mode;
2524 char *p;
2525 SMBCSRV *srv = NULL;
2526 SMBCFILE *dir = NULL;
2527 struct in_addr rem_ip;
2528
2529 if (!context || !context->internal ||
2530 !context->internal->_initialized) {
2531 DEBUG(4, ("no valid context\n"));
2532 errno = EINVAL + 8192;
2533 return NULL;
2534
2535 }
2536
2537 if (!fname) {
2538 DEBUG(4, ("no valid fname\n"));
2539 errno = EINVAL + 8193;
2540 return NULL;
2541 }
2542
2543 if (smbc_parse_path(context, fname,
2544 workgroup, sizeof(workgroup),
2545 server, sizeof(server),
2546 share, sizeof(share),
2547 path, sizeof(path),
2548 user, sizeof(user),
2549 password, sizeof(password),
2550 options, sizeof(options))) {
2551 DEBUG(4, ("no valid path\n"));
2552 errno = EINVAL + 8194;
2553 return NULL;
2554 }
2555
2556 DEBUG(4, ("parsed path: fname='%s' server='%s' share='%s' "
2557 "path='%s' options='%s'\n",
2558 fname, server, share, path, options));
2559
2560 /* Ensure the options are valid */
2561 if (smbc_check_options(server, share, path, options)) {
2562 DEBUG(4, ("unacceptable options (%s)\n", options));
2563 errno = EINVAL + 8195;
2564 return NULL;
2565 }
2566
2567 if (user[0] == (char)0) fstrcpy(user, context->user);
2568
2569 dir = SMB_MALLOC_P(SMBCFILE);
2570
2571 if (!dir) {
2572
2573 errno = ENOMEM;
2574 return NULL;
2575
2576 }
2577
2578 ZERO_STRUCTP(dir);
2579
2580 dir->cli_fd = 0;
2581 dir->fname = SMB_STRDUP(fname);
2582 dir->srv = NULL;
2583 dir->offset = 0;
2584 dir->file = False;
2585 dir->dir_list = dir->dir_next = dir->dir_end = NULL;
2586
2587 if (server[0] == (char)0) {
2588
2589 int i;
2590 int count;
2591 int max_lmb_count;
2592 struct ip_service *ip_list;
2593 struct ip_service server_addr;
2594 struct user_auth_info u_info;
2595 struct cli_state *cli;
2596
2597 if (share[0] != (char)0 || path[0] != (char)0) {
2598
2599 errno = EINVAL + 8196;
2600 if (dir) {
2601 SAFE_FREE(dir->fname);
2602 SAFE_FREE(dir);
2603 }
2604 return NULL;
2605 }
2606
2607 /* Determine how many local master browsers to query */
2608 max_lmb_count = (context->options.browse_max_lmb_count == 0
2609 ? INT_MAX
2610 : context->options.browse_max_lmb_count);
2611
2612 pstrcpy(u_info.username, user);
2613 pstrcpy(u_info.password, password);
2614
2615 /*
2616 * We have server and share and path empty but options
2617 * requesting that we scan all master browsers for their list
2618 * of workgroups/domains. This implies that we must first try
2619 * broadcast queries to find all master browsers, and if that
2620 * doesn't work, then try our other methods which return only
2621 * a single master browser.
2622 */
2623
2624 ip_list = NULL;
2625 if (!name_resolve_bcast(MSBROWSE, 1, &ip_list, &count)) {
2626
2627 SAFE_FREE(ip_list);
2628
2629 if (!find_master_ip(workgroup, &server_addr.ip)) {
2630
2631 if (dir) {
2632 SAFE_FREE(dir->fname);
2633 SAFE_FREE(dir);
2634 }
2635 errno = ENOENT;
2636 return NULL;
2637 }
2638
2639 ip_list = &server_addr;
2640 count = 1;
2641 }
2642
2643 for (i = 0; i < count && i < max_lmb_count; i++) {
2644 DEBUG(99, ("Found master browser %d of %d: %s\n",
2645 i+1, MAX(count, max_lmb_count),
2646 inet_ntoa(ip_list[i].ip)));
2647
2648 cli = get_ipc_connect_master_ip(&ip_list[i],
2649 workgroup, &u_info);
2650 /* cli == NULL is the master browser refused to talk or
2651 could not be found */
2652 if ( !cli )
2653 continue;
2654
2655 fstrcpy(server, cli->desthost);
2656 cli_shutdown(cli);
2657
2658 DEBUG(4, ("using workgroup %s %s\n",
2659 workgroup, server));
2660
2661 /*
2662 * For each returned master browser IP address, get a
2663 * connection to IPC$ on the server if we do not
2664 * already have one, and determine the
2665 * workgroups/domains that it knows about.
2666 */
2667
2668 srv = smbc_server(context, True, server, "IPC$",
2669 workgroup, user, password);
2670 if (!srv) {
2671 continue;
2672 }
2673
2674 dir->srv = srv;
2675 dir->dir_type = SMBC_WORKGROUP;
2676
2677 /* Now, list the stuff ... */
2678
2679 if (!cli_NetServerEnum(&srv->cli,
2680 workgroup,
2681 SV_TYPE_DOMAIN_ENUM,
2682 list_unique_wg_fn,
2683 (void *)dir)) {
2684 continue;
2685 }
2686 }
2687
2688 SAFE_FREE(ip_list);
2689 } else {
2690 /*
2691 * Server not an empty string ... Check the rest and see what
2692 * gives
2693 */
2694 if (*share == '\0') {
2695 if (*path != '\0') {
2696
2697 /* Should not have empty share with path */
2698 errno = EINVAL + 8197;
2699 if (dir) {
2700 SAFE_FREE(dir->fname);
2701 SAFE_FREE(dir);
2702 }
2703 return NULL;
2704
2705 }
2706
2707 /*
2708 * We don't know if <server> is really a server name
2709 * or is a workgroup/domain name. If we already have
2710 * a server structure for it, we'll use it.
2711 * Otherwise, check to see if <server><1D>,
2712 * <server><1B>, or <server><20> translates. We check
2713 * to see if <server> is an IP address first.
2714 */
2715
2716 /*
2717 * See if we have an existing server. Do not
2718 * establish a connection if one does not already
2719 * exist.
2720 */
2721 srv = smbc_server(context, False, server, "IPC$",
2722 workgroup, user, password);
2723
2724 /*
2725 * If no existing server and not an IP addr, look for
2726 * LMB or DMB
2727 */
2728 if (!srv &&
2729 !is_ipaddress(server) &&
2730 (resolve_name(server, &rem_ip, 0x1d) || /* LMB */
2731 resolve_name(server, &rem_ip, 0x1b) )) { /* DMB */
2732
2733 fstring buserver;
2734
2735 dir->dir_type = SMBC_SERVER;
2736
2737 /*
2738 * Get the backup list ...
2739 */
2740 if (!name_status_find(server, 0, 0,
2741 rem_ip, buserver)) {
2742
2743 DEBUG(0, ("Could not get name of "
2744 "local/domain master browser "
2745 "for server %s\n", server));
2746 if (dir) {
2747 SAFE_FREE(dir->fname);
2748 SAFE_FREE(dir);
2749 }
2750 errno = EPERM;
2751 return NULL;
2752
2753 }
2754
2755 /*
2756 * Get a connection to IPC$ on the server if
2757 * we do not already have one
2758 */
2759 srv = smbc_server(context, True,
2760 buserver, "IPC$",
2761 workgroup, user, password);
2762 if (!srv) {
2763 DEBUG(0, ("got no contact to IPC$\n"));
2764 if (dir) {
2765 SAFE_FREE(dir->fname);
2766 SAFE_FREE(dir);
2767 }
2768 return NULL;
2769
2770 }
2771
2772 dir->srv = srv;
2773
2774 /* Now, list the servers ... */
2775 if (!cli_NetServerEnum(&srv->cli, server,
2776 0x0000FFFE, list_fn,
2777 (void *)dir)) {
2778
2779 if (dir) {
2780 SAFE_FREE(dir->fname);
2781 SAFE_FREE(dir);
2782 }
2783 return NULL;
2784 }
2785 } else if (srv ||
2786 (resolve_name(server, &rem_ip, 0x20))) {
2787
2788 /* If we hadn't found the server, get one now */
2789 if (!srv) {
2790 srv = smbc_server(context, True,
2791 server, "IPC$",
2792 workgroup,
2793 user, password);
2794 }
2795
2796 if (!srv) {
2797 if (dir) {
2798 SAFE_FREE(dir->fname);
2799 SAFE_FREE(dir);
2800 }
2801 return NULL;
2802
2803 }
2804
2805 dir->dir_type = SMBC_FILE_SHARE;
2806 dir->srv = srv;
2807
2808 /* List the shares ... */
2809
2810 if (net_share_enum_rpc(
2811 &srv->cli,
2812 list_fn,
2813 (void *) dir) < 0 &&
2814 cli_RNetShareEnum(
2815 &srv->cli,
2816 list_fn,
2817 (void *)dir) < 0) {
2818
2819 errno = cli_errno(&srv->cli);
2820 if (dir) {
2821 SAFE_FREE(dir->fname);
2822 SAFE_FREE(dir);
2823 }
2824 return NULL;
2825
2826 }
2827 } else {
2828 /* Neither the workgroup nor server exists */
2829 errno = ECONNREFUSED;
2830 if (dir) {
2831 SAFE_FREE(dir->fname);
2832 SAFE_FREE(dir);
2833 }
2834 return NULL;
2835 }
2836
2837 }
2838 else {
2839 /*
2840 * The server and share are specified ... work from
2841 * there ...
2842 */
2843 pstring targetpath;
2844 struct cli_state *targetcli;
2845
2846 /* We connect to the server and list the directory */
2847 dir->dir_type = SMBC_FILE_SHARE;
2848
2849 srv = smbc_server(context, True, server, share,
2850 workgroup, user, password);
2851
2852 if (!srv) {
2853
2854 if (dir) {
2855 SAFE_FREE(dir->fname);
2856 SAFE_FREE(dir);
2857 }
2858 return NULL;
2859
2860 }
2861
2862 dir->srv = srv;
2863
2864 /* Now, list the files ... */
2865
2866 p = path + strlen(path);
2867 pstrcat(path, "\\*");
2868
2869 if (!cli_resolve_path("", &srv->cli, path,
2870 &targetcli, targetpath))
2871 {
2872 d_printf("Could not resolve %s\n", path);
2873 if (dir) {
2874 SAFE_FREE(dir->fname);
2875 SAFE_FREE(dir);
2876 }
2877 return NULL;
2878 }
2879
2880 if (cli_list(targetcli, targetpath,
2881 aDIR | aSYSTEM | aHIDDEN,
2882 dir_list_fn, (void *)dir) < 0) {
2883
2884 if (dir) {
2885 SAFE_FREE(dir->fname);
2886 SAFE_FREE(dir);
2887 }
2888 errno = smbc_errno(context, targetcli);
2889
2890 if (errno == EINVAL) {
2891 /*
2892 * See if they asked to opendir something
2893 * other than a directory. If so, the
2894 * converted error value we got would have
2895 * been EINVAL rather than ENOTDIR.
2896 */
2897 *p = '\0'; /* restore original path */
2898
2899 if (smbc_getatr(context, srv, path,
2900 &mode, NULL,
2901 NULL, NULL, NULL,
2902 NULL) &&
2903 ! IS_DOS_DIR(mode)) {
2904
2905 /* It is. Correct the error value */
2906 errno = ENOTDIR;
2907 }
2908 }
2909
2910 return NULL;
2911
2912 }
2913 }
2914
2915 }
2916
2917 DLIST_ADD(context->internal->_files, dir);
2918 return dir;
2919
2920 }
2921
2922 /*
2923 * Routine to close a directory
2924 */
2925
2926 static int
2927 smbc_closedir_ctx(SMBCCTX *context,
2928 SMBCFILE *dir)
2929 {
2930
2931 if (!context || !context->internal ||
2932 !context->internal->_initialized) {
2933
2934 errno = EINVAL;
2935 return -1;
2936
2937 }
2938
2939 if (!dir || !DLIST_CONTAINS(context->internal->_files, dir)) {
2940
2941 errno = EBADF;
2942 return -1;
2943
2944 }
2945
2946 smbc_remove_dir(dir); /* Clean it up */
2947
2948 DLIST_REMOVE(context->internal->_files, dir);
2949
2950 if (dir) {
2951
2952 SAFE_FREE(dir->fname);
2953 SAFE_FREE(dir); /* Free the space too */
2954 }
2955
2956 return 0;
2957
2958 }
2959
2960 static void
2961 smbc_readdir_internal(SMBCCTX * context,
2962 struct smbc_dirent *dest,
2963 struct smbc_dirent *src,
2964 int max_namebuf_len)
2965 {
2966 if (context->options.urlencode_readdir_entries) {
2967
2968 /* url-encode the name. get back remaining buffer space */
2969 max_namebuf_len =
2970 smbc_urlencode(dest->name, src->name, max_namebuf_len);
2971
2972 /* We now know the name length */
2973 dest->namelen = strlen(dest->name);
2974
2975 /* Save the pointer to the beginning of the comment */
2976 dest->comment = dest->name + dest->namelen + 1;
2977
2978 /* Copy the comment */
2979 strncpy(dest->comment, src->comment, max_namebuf_len - 1);
2980 dest->comment[max_namebuf_len - 1] = '\0';
2981
2982 /* Save other fields */
2983 dest->smbc_type = src->smbc_type;
2984 dest->commentlen = strlen(dest->comment);
2985 dest->dirlen = ((dest->comment + dest->commentlen + 1) -
2986 (char *) dest);
2987 } else {
2988
2989 /* No encoding. Just copy the entry as is. */
2990 memcpy(dest, src, src->dirlen);
2991 dest->comment = (char *)(&dest->name + src->namelen + 1);
2992 }
2993
2994 }
2995
2996 /*
2997 * Routine to get a directory entry
2998 */
2999
3000 struct smbc_dirent *
3001 smbc_readdir_ctx(SMBCCTX *context,
3002 SMBCFILE *dir)
3003 {
3004 int maxlen;
3005 struct smbc_dirent *dirp, *dirent;
3006
3007 /* Check that all is ok first ... */
3008
3009 if (!context || !context->internal ||
3010 !context->internal->_initialized) {
3011
3012 errno = EINVAL;
3013 DEBUG(0, ("Invalid context in smbc_readdir_ctx()\n"));
3014 return NULL;
3015
3016 }
3017
3018 if (!dir || !DLIST_CONTAINS(context->internal->_files, dir)) {
3019
3020 errno = EBADF;
3021 DEBUG(0, ("Invalid dir in smbc_readdir_ctx()\n"));
3022 return NULL;
3023
3024 }
3025
3026 if (dir->file != False) { /* FIXME, should be dir, perhaps */
3027
3028 errno = ENOTDIR;
3029 DEBUG(0, ("Found file vs directory in smbc_readdir_ctx()\n"));
3030 return NULL;
3031
3032 }
3033
3034 if (!dir->dir_next) {
3035 return NULL;
3036 }
3037
3038 dirent = dir->dir_next->dirent;
3039 if (!dirent) {
3040
3041 errno = ENOENT;
3042 return NULL;
3043
3044 }
3045
3046 dirp = (struct smbc_dirent *)context->internal->_dirent;
3047 maxlen = (sizeof(context->internal->_dirent) -
3048 sizeof(struct smbc_dirent));
3049
3050 smbc_readdir_internal(context, dirp, dirent, maxlen);
3051
3052 dir->dir_next = dir->dir_next->next;
3053
3054 return dirp;
3055 }
3056
3057 /*
3058 * Routine to get directory entries
3059 */
3060
3061 static int
3062 smbc_getdents_ctx(SMBCCTX *context,
3063 SMBCFILE *dir,
3064 struct smbc_dirent *dirp,
3065 int count)
3066 {
3067 int rem = count;
3068 int reqd;
3069 int maxlen;
3070 char *ndir = (char *)dirp;
3071 struct smbc_dir_list *dirlist;
3072
3073 /* Check that all is ok first ... */
3074
3075 if (!context || !context->internal ||
3076 !context->internal->_initialized) {
3077
3078 errno = EINVAL;
3079 return -1;
3080
3081 }
3082
3083 if (!dir || !DLIST_CONTAINS(context->internal->_files, dir)) {
3084
3085 errno = EBADF;
3086 return -1;
3087
3088 }
3089
3090 if (dir->file != False) { /* FIXME, should be dir, perhaps */
3091
3092 errno = ENOTDIR;
3093 return -1;
3094
3095 }
3096
3097 /*
3098 * Now, retrieve the number of entries that will fit in what was passed
3099 * We have to figure out if the info is in the list, or we need to
3100 * send a request to the server to get the info.
3101 */
3102
3103 while ((dirlist = dir->dir_next)) {
3104 struct smbc_dirent *dirent;
3105
3106 if (!dirlist->dirent) {
3107
3108 errno = ENOENT; /* Bad error */
3109 return -1;
3110
3111 }
3112
3113 /* Do urlencoding of next entry, if so selected */
3114 dirent = (struct smbc_dirent *)context->internal->_dirent;
3115 maxlen = (sizeof(context->internal->_dirent) -
3116 sizeof(struct smbc_dirent));
3117 smbc_readdir_internal(context, dirent, dirlist->dirent, maxlen);
3118
3119 reqd = dirent->dirlen;
3120
3121 if (rem < reqd) {
3122
3123 if (rem < count) { /* We managed to copy something */
3124
3125 errno = 0;
3126 return count - rem;
3127
3128 }
3129 else { /* Nothing copied ... */
3130
3131 errno = EINVAL; /* Not enough space ... */
3132 return -1;
3133
3134 }
3135
3136 }
3137
3138 memcpy(ndir, dirent, reqd); /* Copy the data in ... */
3139
3140 ((struct smbc_dirent *)ndir)->comment =
3141 (char *)(&((struct smbc_dirent *)ndir)->name +
3142 dirent->namelen +
3143 1);
3144
3145 ndir += reqd;
3146
3147 rem -= reqd;
3148
3149 dir->dir_next = dirlist = dirlist -> next;
3150 }
3151
3152 if (rem == count)
3153 return 0;
3154 else
3155 return count - rem;
3156
3157 }
3158
3159 /*
3160 * Routine to create a directory ...
3161 */
3162
3163 static int
3164 smbc_mkdir_ctx(SMBCCTX *context,
3165 const char *fname,
3166 mode_t mode)
3167 {
3168 SMBCSRV *srv;
3169 fstring server;
3170 fstring share;
3171 fstring user;
3172 fstring password;
3173 fstring workgroup;
3174 pstring path, targetpath;
3175 struct cli_state *targetcli;
3176
3177 if (!context || !context->internal ||
3178 !context->internal->_initialized) {
3179
3180 errno = EINVAL;
3181 return -1;
3182
3183 }
3184
3185 if (!fname) {
3186
3187 errno = EINVAL;
3188 return -1;
3189
3190 }
3191
3192 DEBUG(4, ("smbc_mkdir(%s)\n", fname));
3193
3194 if (smbc_parse_path(context, fname,
3195 workgroup, sizeof(workgroup),
3196 server, sizeof(server),
3197 share, sizeof(share),
3198 path, sizeof(path),
3199 user, sizeof(user),
3200 password, sizeof(password),
3201 NULL, 0)) {
3202 errno = EINVAL;
3203 return -1;
3204 }
3205
3206 if (user[0] == (char)0) fstrcpy(user, context->user);
3207
3208 srv = smbc_server(context, True,
3209 server, share, workgroup, user, password);
3210
3211 if (!srv) {
3212
3213 return -1; /* errno set by smbc_server */
3214
3215 }
3216
3217 /*d_printf(">>>mkdir: resolving %s\n", path);*/
3218 if (!cli_resolve_path( "", &srv->cli, path, &targetcli, targetpath))
3219 {
3220 d_printf("Could not resolve %s\n", path);
3221 return -1;
3222 }
3223 /*d_printf(">>>mkdir: resolved path as %s\n", targetpath);*/
3224
3225 if (!cli_mkdir(targetcli, targetpath)) {
3226
3227 errno = smbc_errno(context, targetcli);
3228 return -1;
3229
3230 }
3231
3232 return 0;
3233
3234 }
3235
3236 /*
3237 * Our list function simply checks to see if a directory is not empty
3238 */
3239
3240 static int smbc_rmdir_dirempty = True;
3241
3242 static void
3243 rmdir_list_fn(const char *mnt,
3244 file_info *finfo,
3245 const char *mask,
3246 void *state)
3247 {
3248 if (strncmp(finfo->name, ".", 1) != 0 &&
3249 strncmp(finfo->name, "..", 2) != 0) {
3250
3251 smbc_rmdir_dirempty = False;
3252 }
3253 }
3254
3255 /*
3256 * Routine to remove a directory
3257 */
3258
3259 static int
3260 smbc_rmdir_ctx(SMBCCTX *context,
3261 const char *fname)
3262 {
3263 SMBCSRV *srv;
3264 fstring server;
3265 fstring share;
3266 fstring user;
3267 fstring password;
3268 fstring workgroup;
3269 pstring path;
3270 pstring targetpath;
3271 struct cli_state *targetcli;
3272
3273 if (!context || !context->internal ||
3274 !context->internal->_initialized) {
3275
3276 errno = EINVAL;
3277 return -1;
3278
3279 }
3280
3281 if (!fname) {
3282
3283 errno = EINVAL;
3284 return -1;
3285
3286 }
3287
3288 DEBUG(4, ("smbc_rmdir(%s)\n", fname));
3289
3290 if (smbc_parse_path(context, fname,
3291 workgroup, sizeof(workgroup),
3292 server, sizeof(server),
3293 share, sizeof(share),
3294 path, sizeof(path),
3295 user, sizeof(user),
3296 password, sizeof(password),
3297 NULL, 0))
3298 {
3299 errno = EINVAL;
3300 return -1;
3301 }
3302
3303 if (user[0] == (char)0) fstrcpy(user, context->user);
3304
3305 srv = smbc_server(context, True,
3306 server, share, workgroup, user, password);
3307
3308 if (!srv) {
3309
3310 return -1; /* errno set by smbc_server */
3311
3312 }
3313
3314 /*d_printf(">>>rmdir: resolving %s\n", path);*/
3315 if (!cli_resolve_path( "", &srv->cli, path, &targetcli, targetpath))
3316 {
3317 d_printf("Could not resolve %s\n", path);
3318 return -1;
3319 }
3320 /*d_printf(">>>rmdir: resolved path as %s\n", targetpath);*/
3321
3322
3323 if (!cli_rmdir(targetcli, targetpath)) {
3324
3325 errno = smbc_errno(context, targetcli);
3326
3327 if (errno == EACCES) { /* Check if the dir empty or not */
3328
3329 /* Local storage to avoid buffer overflows */
3330 pstring lpath;
3331
3332 smbc_rmdir_dirempty = True; /* Make this so ... */
3333
3334 pstrcpy(lpath, targetpath);
3335 pstrcat(lpath, "\\*");
3336
3337 if (cli_list(targetcli, lpath,
3338 aDIR | aSYSTEM | aHIDDEN,
3339 rmdir_list_fn, NULL) < 0) {
3340
3341 /* Fix errno to ignore latest error ... */
3342 DEBUG(5, ("smbc_rmdir: "
3343 "cli_list returned an error: %d\n",
3344 smbc_errno(context, targetcli)));
3345 errno = EACCES;
3346
3347 }
3348
3349 if (smbc_rmdir_dirempty)
3350 errno = EACCES;
3351 else
3352 errno = ENOTEMPTY;
3353
3354 }
3355
3356 return -1;
3357
3358 }
3359
3360 return 0;
3361
3362 }
3363
3364 /*
3365 * Routine to return the current directory position
3366 */
3367
3368 static off_t
3369 smbc_telldir_ctx(SMBCCTX *context,
3370 SMBCFILE *dir)
3371 {
3372 off_t ret_val; /* Squash warnings about cast */
3373
3374 if (!context || !context->internal ||
3375 !context->internal->_initialized) {
3376
3377 errno = EINVAL;
3378 return -1;
3379
3380 }
3381
3382 if (!dir || !DLIST_CONTAINS(context->internal->_files, dir)) {
3383
3384 errno = EBADF;
3385 return -1;
3386
3387 }
3388
3389 if (dir->file != False) { /* FIXME, should be dir, perhaps */
3390
3391 errno = ENOTDIR;
3392 return -1;
3393
3394 }
3395
3396 /*
3397 * We return the pointer here as the offset
3398 */
3399 ret_val = (off_t)(long)dir->dir_next;
3400 return ret_val;
3401
3402 }
3403
3404 /*
3405 * A routine to run down the list and see if the entry is OK
3406 */
3407
3408 struct smbc_dir_list *
3409 smbc_check_dir_ent(struct smbc_dir_list *list,
3410 struct smbc_dirent *dirent)
3411 {
3412
3413 /* Run down the list looking for what we want */
3414
3415 if (dirent) {
3416
3417 struct smbc_dir_list *tmp = list;
3418
3419 while (tmp) {
3420
3421 if (tmp->dirent == dirent)
3422 return tmp;
3423
3424 tmp = tmp->next;
3425
3426 }
3427
3428 }
3429
3430 return NULL; /* Not found, or an error */
3431
3432 }
3433
3434
3435 /*
3436 * Routine to seek on a directory
3437 */
3438
3439 static int
3440 smbc_lseekdir_ctx(SMBCCTX *context,
3441 SMBCFILE *dir,
3442 off_t offset)
3443 {
3444 long int l_offset = offset; /* Handle problems of size */
3445 struct smbc_dirent *dirent = (struct smbc_dirent *)l_offset;
3446 struct smbc_dir_list *list_ent = (struct smbc_dir_list *)NULL;
3447
3448 if (!context || !context->internal ||
3449 !context->internal->_initialized) {
3450
3451 errno = EINVAL;
3452 return -1;
3453
3454 }
3455
3456 if (dir->file != False) { /* FIXME, should be dir, perhaps */
3457
3458 errno = ENOTDIR;
3459 return -1;
3460
3461 }
3462
3463 /* Now, check what we were passed and see if it is OK ... */
3464
3465 if (dirent == NULL) { /* Seek to the begining of the list */
3466
3467 dir->dir_next = dir->dir_list;
3468 return 0;
3469
3470 }
3471
3472 /* Now, run down the list and make sure that the entry is OK */
3473 /* This may need to be changed if we change the format of the list */
3474
3475 if ((list_ent = smbc_check_dir_ent(dir->dir_list, dirent)) == NULL) {
3476
3477 errno = EINVAL; /* Bad entry */
3478 return -1;
3479
3480 }
3481
3482 dir->dir_next = list_ent;
3483
3484 return 0;
3485
3486 }
3487
3488 /*
3489 * Routine to fstat a dir
3490 */
3491
3492 static int
3493 smbc_fstatdir_ctx(SMBCCTX *context,
3494 SMBCFILE *dir,
3495 struct stat *st)
3496 {
3497
3498 if (!context || !context->internal ||
3499 !context->internal->_initialized) {
3500
3501 errno = EINVAL;
3502 return -1;
3503
3504 }
3505
3506 /* No code yet ... */
3507
3508 return 0;
3509
3510 }
3511
3512 static int
3513 smbc_chmod_ctx(SMBCCTX *context,
3514 const char *fname,
3515 mode_t newmode)
3516 {
3517 SMBCSRV *srv;
3518 fstring server;
3519 fstring share;
3520 fstring user;
3521 fstring password;
3522 fstring workgroup;
3523 pstring path;
3524 uint16 mode;
3525
3526 if (!context || !context->internal ||
3527 !context->internal->_initialized) {
3528
3529 errno = EINVAL; /* Best I can think of ... */
3530 return -1;
3531
3532 }
3533
3534 if (!fname) {
3535
3536 errno = EINVAL;
3537 return -1;
3538
3539 }
3540
3541 DEBUG(4, ("smbc_chmod(%s, 0%3o)\n", fname, newmode));
3542
3543 if (smbc_parse_path(context, fname,
3544 workgroup, sizeof(workgroup),
3545 server, sizeof(server),
3546 share, sizeof(share),
3547 path, sizeof(path),
3548 user, sizeof(user),
3549 password, sizeof(password),
3550 NULL, 0)) {
3551 errno = EINVAL;
3552 return -1;
3553 }
3554
3555 if (user[0] == (char)0) fstrcpy(user, context->user);
3556
3557 srv = smbc_server(context, True,
3558 server, share, workgroup, user, password);
3559
3560 if (!srv) {
3561 return -1; /* errno set by smbc_server */
3562 }
3563
3564 mode = 0;
3565
3566 if (!(newmode & (S_IWUSR | S_IWGRP | S_IWOTH))) mode |= aRONLY;
3567 if ((newmode & S_IXUSR) && lp_map_archive(-1)) mode |= aARCH;
3568 if ((newmode & S_IXGRP) && lp_map_system(-1)) mode |= aSYSTEM;
3569 if ((newmode & S_IXOTH) && lp_map_hidden(-1)) mode |= aHIDDEN;
3570
3571 if (!cli_setatr(&srv->cli, path, mode, 0)) {
3572 errno = smbc_errno(context, &srv->cli);
3573 return -1;
3574 }
3575
3576 return 0;
3577 }
3578
3579 static int
3580 smbc_utimes_ctx(SMBCCTX *context,
3581 const char *fname,
3582 struct timeval *tbuf)
3583 {
3584 SMBCSRV *srv;
3585 fstring server;
3586 fstring share;
3587 fstring user;
3588 fstring password;
3589 fstring workgroup;
3590 pstring path;
3591 time_t a_time;
3592 time_t m_time;
3593
3594 if (!context || !context->internal ||
3595 !context->internal->_initialized) {
3596
3597 errno = EINVAL; /* Best I can think of ... */
3598 return -1;
3599
3600 }
3601
3602 if (!fname) {
3603
3604 errno = EINVAL;
3605 return -1;
3606
3607 }
3608
3609 if (tbuf == NULL) {
3610 a_time = m_time = time(NULL);
3611 } else {
3612 a_time = tbuf[0].tv_sec;
3613 m_time = tbuf[1].tv_sec;
3614 }
3615
3616 if (DEBUGLVL(4))
3617 {
3618 char *p;
3619 char atimebuf[32];
3620 char mtimebuf[32];
3621
3622 strncpy(atimebuf, ctime(&a_time), sizeof(atimebuf) - 1);
3623 atimebuf[sizeof(atimebuf) - 1] = '\0';
3624 if ((p = strchr(atimebuf, '\n')) != NULL) {
3625 *p = '\0';
3626 }
3627
3628 strncpy(mtimebuf, ctime(&m_time), sizeof(mtimebuf) - 1);
3629 mtimebuf[sizeof(mtimebuf) - 1] = '\0';
3630 if ((p = strchr(mtimebuf, '\n')) != NULL) {
3631 *p = '\0';
3632 }
3633
3634 dbgtext("smbc_utimes(%s, atime = %s mtime = %s)\n",
3635 fname, atimebuf, mtimebuf);
3636 }
3637
3638 if (smbc_parse_path(context, fname,
3639 workgroup, sizeof(workgroup),
3640 server, sizeof(server),
3641 share, sizeof(share),
3642 path, sizeof(path),
3643 user, sizeof(user),
3644 password, sizeof(password),
3645 NULL, 0)) {
3646 errno = EINVAL;
3647 return -1;
3648 }
3649
3650 if (user[0] == (char)0) fstrcpy(user, context->user);
3651
3652 srv = smbc_server(context, True,
3653 server, share, workgroup, user, password);
3654
3655 if (!srv) {
3656 return -1; /* errno set by smbc_server */
3657 }
3658
3659 if (!smbc_setatr(context, srv, path, 0, a_time, m_time, 0)) {
3660 return -1; /* errno set by smbc_setatr */
3661 }
3662
3663 return 0;
3664 }
3665
3666
3667 /* The MSDN is contradictory over the ordering of ACE entries in an ACL.
3668 However NT4 gives a "The information may have been modified by a
3669 computer running Windows NT 5.0" if denied ACEs do not appear before
3670 allowed ACEs. */
3671
3672 static int
3673 ace_compare(SEC_ACE *ace1,
3674 SEC_ACE *ace2)
3675 {
3676 if (sec_ace_equal(ace1, ace2))
3677 return 0;
3678
3679 if (ace1->type != ace2->type)
3680 return ace2->type - ace1->type;
3681
3682 if (sid_compare(&ace1->trustee, &ace2->trustee))
3683 return sid_compare(&ace1->trustee, &ace2->trustee);
3684
3685 if (ace1->flags != ace2->flags)
3686 return ace1->flags - ace2->flags;
3687
3688 if (ace1->info.mask != ace2->info.mask)
3689 return ace1->info.mask - ace2->info.mask;
3690
3691 if (ace1->size != ace2->size)
3692 return ace1->size - ace2->size;
3693
3694 return memcmp(ace1, ace2, sizeof(SEC_ACE));
3695 }
3696
3697
3698 static void
3699 sort_acl(SEC_ACL *the_acl)
3700 {
3701 uint32 i;
3702 if (!the_acl) return;
3703
3704 qsort(the_acl->ace, the_acl->num_aces, sizeof(the_acl->ace[0]),
3705 QSORT_CAST ace_compare);
3706
3707 for (i=1;i<the_acl->num_aces;) {
3708 if (sec_ace_equal(&the_acl->ace[i-1], &the_acl->ace[i])) {
3709 int j;
3710 for (j=i; j<the_acl->num_aces-1; j++) {
3711 the_acl->ace[j] = the_acl->ace[j+1];
3712 }
3713 the_acl->num_aces--;
3714 } else {
3715 i++;
3716 }
3717 }
3718 }
3719
3720 /* convert a SID to a string, either numeric or username/group */
3721 static void
3722 convert_sid_to_string(struct cli_state *ipc_cli,
3723 POLICY_HND *pol,
3724 fstring str,
3725 BOOL numeric,
3726 DOM_SID *sid)
3727 {
3728 char **domains = NULL;
3729 char **names = NULL;
3730 uint32 *types = NULL;
3731 struct rpc_pipe_client *pipe_hnd = find_lsa_pipe_hnd(ipc_cli);
3732 sid_to_string(str, sid);
3733
3734 if (numeric) {
3735 return; /* no lookup desired */
3736 }
3737
3738 if (!pipe_hnd) {
3739 return;
3740 }
3741
3742 /* Ask LSA to convert the sid to a name */
3743
3744 if (!NT_STATUS_IS_OK(rpccli_lsa_lookup_sids(pipe_hnd, ipc_cli->mem_ctx,
3745 pol, 1, sid, &domains,
3746 &names, &types)) ||
3747 !domains || !domains[0] || !names || !names[0]) {
3748 return;
3749 }
3750
3751 /* Converted OK */
3752
3753 slprintf(str, sizeof(fstring) - 1, "%s%s%s",
3754 domains[0], lp_winbind_separator(),
3755 names[0]);
3756 }
3757
3758 /* convert a string to a SID, either numeric or username/group */
3759 static BOOL
3760 convert_string_to_sid(struct cli_state *ipc_cli,
3761 POLICY_HND *pol,
3762 BOOL numeric,
3763 DOM_SID *sid,
3764 const char *str)
3765 {
3766 uint32 *types = NULL;
3767 DOM_SID *sids = NULL;
3768 BOOL result = True;
3769 struct rpc_pipe_client *pipe_hnd = find_lsa_pipe_hnd(ipc_cli);
3770
3771 if (!pipe_hnd) {
3772 return False;
3773 }
3774
3775 if (numeric) {
3776 if (strncmp(str, "S-", 2) == 0) {
3777 return string_to_sid(sid, str);
3778 }
3779
3780 result = False;
3781 goto done;
3782 }
3783
3784 if (!NT_STATUS_IS_OK(rpccli_lsa_lookup_names(pipe_hnd, ipc_cli->mem_ctx,
3785 pol, 1, &str, NULL, &sids,
3786 &types))) {
3787 result = False;
3788 goto done;
3789 }
3790
3791 sid_copy(sid, &sids[0]);
3792 done:
3793
3794 return result;
3795 }
3796
3797
3798 /* parse an ACE in the same format as print_ace() */
3799 static BOOL
3800 parse_ace(struct cli_state *ipc_cli,
3801 POLICY_HND *pol,
3802 SEC_ACE *ace,
3803 BOOL numeric,
3804 char *str)
3805 {
3806 char *p;
3807 const char *cp;
3808 fstring tok;
3809 unsigned int atype;
3810 unsigned int aflags;
3811 unsigned int amask;
3812 DOM_SID sid;
3813 SEC_ACCESS mask;
3814 const struct perm_value *v;
3815 struct perm_value {
3816 const char *perm;
3817 uint32 mask;
3818 };
3819
3820 /* These values discovered by inspection */
3821 static const struct perm_value special_values[] = {
3822 { "R", 0x00120089 },
3823 { "W", 0x00120116 },
3824 { "X", 0x001200a0 },
3825 { "D", 0x00010000 },
3826 { "P", 0x00040000 },
3827 { "O", 0x00080000 },
3828 { NULL, 0 },
3829 };
3830
3831 static const struct perm_value standard_values[] = {
3832 { "READ", 0x001200a9 },
3833 { "CHANGE", 0x001301bf },
3834 { "FULL", 0x001f01ff },
3835 { NULL, 0 },
3836 };
3837
3838
3839 ZERO_STRUCTP(ace);
3840 p = strchr_m(str,':');
3841 if (!p) return False;
3842 *p = '\0';
3843 p++;
3844 /* Try to parse numeric form */
3845
3846 if (sscanf(p, "%i/%i/%i", &atype, &aflags, &amask) == 3 &&
3847 convert_string_to_sid(ipc_cli, pol, numeric, &sid, str)) {
3848 goto done;
3849 }
3850
3851 /* Try to parse text form */
3852
3853 if (!convert_string_to_sid(ipc_cli, pol, numeric, &sid, str)) {
3854 return False;
3855 }
3856
3857 cp = p;
3858 if (!next_token(&cp, tok, "/", sizeof(fstring))) {
3859 return False;
3860 }
3861
3862 if (StrnCaseCmp(tok, "ALLOWED", strlen("ALLOWED")) == 0) {
3863 atype = SEC_ACE_TYPE_ACCESS_ALLOWED;
3864 } else if (StrnCaseCmp(tok, "DENIED", strlen("DENIED")) == 0) {
3865 atype = SEC_ACE_TYPE_ACCESS_DENIED;
3866 } else {
3867 return False;
3868 }
3869
3870 /* Only numeric form accepted for flags at present */
3871
3872 if (!(next_token(&cp, tok, "/", sizeof(fstring)) &&
3873 sscanf(tok, "%i", &aflags))) {
3874 return False;
3875 }
3876
3877 if (!next_token(&cp, tok, "/", sizeof(fstring))) {
3878 return False;
3879 }
3880
3881 if (strncmp(tok, "0x", 2) == 0) {
3882 if (sscanf(tok, "%i", &amask) != 1) {
3883 return False;
3884 }
3885 goto done;
3886 }
3887
3888 for (v = standard_values; v->perm; v++) {
3889 if (strcmp(tok, v->perm) == 0) {
3890 amask = v->mask;
3891 goto done;
3892 }
3893 }
3894
3895 p = tok;
3896
3897 while(*p) {
3898 BOOL found = False;
3899
3900 for (v = special_values; v->perm; v++) {
3901 if (v->perm[0] == *p) {
3902 amask |= v->mask;
3903 found = True;
3904 }
3905 }
3906
3907 if (!found) return False;
3908 p++;
3909 }
3910
3911 if (*p) {
3912 return False;
3913 }
3914
3915 done:
3916 mask.mask = amask;
3917 init_sec_ace(ace, &sid, atype, mask, aflags);
3918 return True;
3919 }
3920
3921 /* add an ACE to a list of ACEs in a SEC_ACL */
3922 static BOOL
3923 add_ace(SEC_ACL **the_acl,
3924 SEC_ACE *ace,
3925 TALLOC_CTX *ctx)
3926 {
3927 SEC_ACL *newacl;
3928 SEC_ACE *aces;
3929
3930 if (! *the_acl) {
3931 (*the_acl) = make_sec_acl(ctx, 3, 1, ace);
3932 return True;
3933 }
3934
3935 if ((aces = SMB_CALLOC_ARRAY(SEC_ACE, 1+(*the_acl)->num_aces)) == NULL) {
3936 return False;
3937 }
3938 memcpy(aces, (*the_acl)->ace, (*the_acl)->num_aces * sizeof(SEC_ACE));
3939 memcpy(aces+(*the_acl)->num_aces, ace, sizeof(SEC_ACE));
3940 newacl = make_sec_acl(ctx, (*the_acl)->revision,
3941 1+(*the_acl)->num_aces, aces);
3942 SAFE_FREE(aces);
3943 (*the_acl) = newacl;
3944 return True;
3945 }
3946
3947
3948 /* parse a ascii version of a security descriptor */
3949 static SEC_DESC *
3950 sec_desc_parse(TALLOC_CTX *ctx,
3951 struct cli_state *ipc_cli,
3952 POLICY_HND *pol,
3953 BOOL numeric,
3954 char *str)
3955 {
3956 const char *p = str;
3957 fstring tok;
3958 SEC_DESC *ret = NULL;
3959 size_t sd_size;
3960 DOM_SID *grp_sid=NULL;
3961 DOM_SID *owner_sid=NULL;
3962 SEC_ACL *dacl=NULL;
3963 int revision=1;
3964
3965 while (next_token(&p, tok, "\t,\r\n", sizeof(tok))) {
3966
3967 if (StrnCaseCmp(tok,"REVISION:", 9) == 0) {
3968 revision = strtol(tok+9, NULL, 16);
3969 continue;
3970 }
3971
3972 if (StrnCaseCmp(tok,"OWNER:", 6) == 0) {
3973 if (owner_sid) {
3974 DEBUG(5, ("OWNER specified more than once!\n"));
3975 goto done;
3976 }
3977 owner_sid = SMB_CALLOC_ARRAY(DOM_SID, 1);
3978 if (!owner_sid ||
3979 !convert_string_to_sid(ipc_cli, pol,
3980 numeric,
3981 owner_sid, tok+6)) {
3982 DEBUG(5, ("Failed to parse owner sid\n"));
3983 goto done;
3984 }
3985 continue;
3986 }
3987
3988 if (StrnCaseCmp(tok,"OWNER+:", 7) == 0) {
3989 if (owner_sid) {
3990 DEBUG(5, ("OWNER specified more than once!\n"));
3991 goto done;
3992 }
3993 owner_sid = SMB_CALLOC_ARRAY(DOM_SID, 1);
3994 if (!owner_sid ||
3995 !convert_string_to_sid(ipc_cli, pol,
3996 False,
3997 owner_sid, tok+7)) {
3998 DEBUG(5, ("Failed to parse owner sid\n"));
3999 goto done;
4000 }
4001 continue;
4002 }
4003
4004 if (StrnCaseCmp(tok,"GROUP:", 6) == 0) {
4005 if (grp_sid) {
4006 DEBUG(5, ("GROUP specified more than once!\n"));
4007 goto done;
4008 }
4009 grp_sid = SMB_CALLOC_ARRAY(DOM_SID, 1);
4010 if (!grp_sid ||
4011 !convert_string_to_sid(ipc_cli, pol,
4012 numeric,
4013 grp_sid, tok+6)) {
4014 DEBUG(5, ("Failed to parse group sid\n"));
4015 goto done;
4016 }
4017 continue;
4018 }
4019
4020 if (StrnCaseCmp(tok,"GROUP+:", 7) == 0) {
4021 if (grp_sid) {
4022 DEBUG(5, ("GROUP specified more than once!\n"));
4023 goto done;
4024 }
4025 grp_sid = SMB_CALLOC_ARRAY(DOM_SID, 1);
4026 if (!grp_sid ||
4027 !convert_string_to_sid(ipc_cli, pol,
4028 False,
4029 grp_sid, tok+6)) {
4030 DEBUG(5, ("Failed to parse group sid\n"));
4031 goto done;
4032 }
4033 continue;
4034 }
4035
4036 if (StrnCaseCmp(tok,"ACL:", 4) == 0) {
4037 SEC_ACE ace;
4038 if (!parse_ace(ipc_cli, pol, &ace, numeric, tok+4)) {
4039 DEBUG(5, ("Failed to parse ACL %s\n", tok));
4040 goto done;
4041 }
4042 if(!add_ace(&dacl, &ace, ctx)) {
4043 DEBUG(5, ("Failed to add ACL %s\n", tok));
4044 goto done;
4045 }
4046 continue;
4047 }
4048
4049 if (StrnCaseCmp(tok,"ACL+:", 5) == 0) {
4050 SEC_ACE ace;
4051 if (!parse_ace(ipc_cli, pol, &ace, False, tok+5)) {
4052 DEBUG(5, ("Failed to parse ACL %s\n", tok));
4053 goto done;
4054 }
4055 if(!add_ace(&dacl, &ace, ctx)) {
4056 DEBUG(5, ("Failed to add ACL %s\n", tok));
4057 goto done;
4058 }
4059 continue;
4060 }
4061
4062 DEBUG(5, ("Failed to parse security descriptor\n"));
4063 goto done;
4064 }
4065
4066 ret = make_sec_desc(ctx, revision, SEC_DESC_SELF_RELATIVE,
4067 owner_sid, grp_sid, NULL, dacl, &sd_size);
4068
4069 done:
4070 SAFE_FREE(grp_sid);
4071 SAFE_FREE(owner_sid);
4072
4073 return ret;
4074 }
4075
4076
4077 /* Obtain the current dos attributes */
4078 static DOS_ATTR_DESC *
4079 dos_attr_query(SMBCCTX *context,
4080 TALLOC_CTX *ctx,
4081 const char *filename,
4082 SMBCSRV *srv)
4083 {
4084 time_t m_time = 0, a_time = 0, c_time = 0;
4085 SMB_OFF_T size = 0;
4086 uint16 mode = 0;
4087 SMB_INO_T inode = 0;
4088 DOS_ATTR_DESC *ret;
4089
4090 ret = TALLOC_P(ctx, DOS_ATTR_DESC);
4091 if (!ret) {
4092 errno = ENOMEM;
4093 return NULL;
4094 }
4095
4096 /* Obtain the DOS attributes */
4097 if (!smbc_getatr(context, srv, CONST_DISCARD(char *, filename),
4098 &mode, &size,
4099 &c_time, &a_time, &m_time, &inode)) {
4100
4101 errno = smbc_errno(context, &srv->cli);
4102 DEBUG(5, ("dos_attr_query Failed to query old attributes\n"));
4103 return NULL;
4104
4105 }
4106
4107 ret->mode = mode;
4108 ret->size = size;
4109 ret->a_time = a_time;
4110 ret->c_time = c_time;
4111 ret->m_time = m_time;
4112 ret->inode = inode;
4113
4114 return ret;
4115 }
4116
4117
4118 /* parse a ascii version of a security descriptor */
4119 static void
4120 dos_attr_parse(SMBCCTX *context,
4121 DOS_ATTR_DESC *dad,
4122 SMBCSRV *srv,
4123 char *str)
4124 {
4125 const char *p = str;
4126 fstring tok;
4127
4128 while (next_token(&p, tok, "\t,\r\n", sizeof(tok))) {
4129
4130 if (StrnCaseCmp(tok, "MODE:", 5) == 0) {
4131 dad->mode = strtol(tok+5, NULL, 16);
4132 continue;
4133 }
4134
4135 if (StrnCaseCmp(tok, "SIZE:", 5) == 0) {
4136 dad->size = (SMB_OFF_T)atof(tok+5);
4137 continue;
4138 }
4139
4140 if (StrnCaseCmp(tok, "A_TIME:", 7) == 0) {
4141 dad->a_time = (time_t)strtol(tok+7, NULL, 10);
4142 continue;
4143 }
4144
4145 if (StrnCaseCmp(tok, "C_TIME:", 7) == 0) {
4146 dad->c_time = (time_t)strtol(tok+7, NULL, 10);
4147 continue;
4148 }
4149
4150 if (StrnCaseCmp(tok, "M_TIME:", 7) == 0) {
4151 dad->m_time = (time_t)strtol(tok+7, NULL, 10);
4152 continue;
4153 }
4154
4155 if (StrnCaseCmp(tok, "INODE:", 6) == 0) {
4156 dad->inode = (SMB_INO_T)atof(tok+6);
4157 continue;
4158 }
4159 }
4160 }
4161
4162 /*****************************************************
4163 Retrieve the acls for a file.
4164 *******************************************************/
4165
4166 static int
4167 cacl_get(SMBCCTX *context,
4168 TALLOC_CTX *ctx,
4169 SMBCSRV *srv,
4170 struct cli_state *ipc_cli,
4171 POLICY_HND *pol,
4172 char *filename,
4173 char *attr_name,
4174 char *buf,
4175 int bufsize)
4176 {
4177 uint32 i;
4178 int n = 0;
4179 int n_used;
4180 BOOL all;
4181 BOOL all_nt;
4182 BOOL all_nt_acls;
4183 BOOL all_dos;
4184 BOOL some_nt;
4185 BOOL some_dos;
4186 BOOL exclude_nt_revision = False;
4187 BOOL exclude_nt_owner = False;
4188 BOOL exclude_nt_group = False;
4189 BOOL exclude_nt_acl = False;
4190 BOOL exclude_dos_mode = False;
4191 BOOL exclude_dos_size = False;
4192 BOOL exclude_dos_ctime = False;
4193 BOOL exclude_dos_atime = False;
4194 BOOL exclude_dos_mtime = False;
4195 BOOL exclude_dos_inode = False;
4196 BOOL numeric = True;
4197 BOOL determine_size = (bufsize == 0);
4198 int fnum = -1;
4199 SEC_DESC *sd;
4200 fstring sidstr;
4201 fstring name_sandbox;
4202 char *name;
4203 char *pExclude;
4204 char *p;
4205 time_t m_time = 0, a_time = 0, c_time = 0;
4206 SMB_OFF_T size = 0;
4207 uint16 mode = 0;
4208 SMB_INO_T ino = 0;
4209 struct cli_state *cli = &srv->cli;
4210
4211 /* Copy name so we can strip off exclusions (if any are specified) */
4212 strncpy(name_sandbox, attr_name, sizeof(name_sandbox) - 1);
4213
4214 /* Ensure name is null terminated */
4215 name_sandbox[sizeof(name_sandbox) - 1] = '\0';
4216
4217 /* Play in the sandbox */
4218 name = name_sandbox;
4219
4220 /* If there are any exclusions, point to them and mask them from name */
4221 if ((pExclude = strchr(name, '!')) != NULL)
4222 {
4223 *pExclude++ = '\0';
4224 }
4225
4226 all = (StrnCaseCmp(name, "system.*", 8) == 0);
4227 all_nt = (StrnCaseCmp(name, "system.nt_sec_desc.*", 20) == 0);
4228 all_nt_acls = (StrnCaseCmp(name, "system.nt_sec_desc.acl.*", 24) == 0);
4229 all_dos = (StrnCaseCmp(name, "system.dos_attr.*", 17) == 0);
4230 some_nt = (StrnCaseCmp(name, "system.nt_sec_desc.", 19) == 0);
4231 some_dos = (StrnCaseCmp(name, "system.dos_attr.", 16) == 0);
4232 numeric = (* (name + strlen(name) - 1) != '+');
4233
4234 /* Look for exclusions from "all" requests */
4235 if (all || all_nt || all_dos) {
4236
4237 /* Exclusions are delimited by '!' */
4238 for (;
4239 pExclude != NULL;
4240 pExclude = (p == NULL ? NULL : p + 1)) {
4241
4242 /* Find end of this exclusion name */
4243 if ((p = strchr(pExclude, '!')) != NULL)
4244 {
4245 *p = '\0';
4246 }
4247
4248 /* Which exclusion name is this? */
4249 if (StrCaseCmp(pExclude, "nt_sec_desc.revision") == 0) {
4250 exclude_nt_revision = True;
4251 }
4252 else if (StrCaseCmp(pExclude, "nt_sec_desc.owner") == 0) {
4253 exclude_nt_owner = True;
4254 }
4255 else if (StrCaseCmp(pExclude, "nt_sec_desc.group") == 0) {
4256 exclude_nt_group = True;
4257 }
4258 else if (StrCaseCmp(pExclude, "nt_sec_desc.acl") == 0) {
4259 exclude_nt_acl = True;
4260 }
4261 else if (StrCaseCmp(pExclude, "dos_attr.mode") == 0) {
4262 exclude_dos_mode = True;
4263 }
4264 else if (StrCaseCmp(pExclude, "dos_attr.size") == 0) {
4265 exclude_dos_size = True;
4266 }
4267 else if (StrCaseCmp(pExclude, "dos_attr.c_time") == 0) {
4268 exclude_dos_ctime = True;
4269 }
4270 else if (StrCaseCmp(pExclude, "dos_attr.a_time") == 0) {
4271 exclude_dos_atime = True;
4272 }
4273 else if (StrCaseCmp(pExclude, "dos_attr.m_time") == 0) {
4274 exclude_dos_mtime = True;
4275 }
4276 else if (StrCaseCmp(pExclude, "dos_attr.inode") == 0) {
4277 exclude_dos_inode = True;
4278 }
4279 else {
4280 DEBUG(5, ("cacl_get received unknown exclusion: %s\n",
4281 pExclude));
4282 errno = ENOATTR;
4283 return -1;
4284 }
4285 }
4286 }
4287
4288 n_used = 0;
4289
4290 /*
4291 * If we are (possibly) talking to an NT or new system and some NT
4292 * attributes have been requested...
4293 */
4294 if (ipc_cli && (all || some_nt || all_nt_acls)) {
4295 /* Point to the portion after "system.nt_sec_desc." */
4296 name += 19; /* if (all) this will be invalid but unused */
4297
4298 /* ... then obtain any NT attributes which were requested */
4299 fnum = cli_nt_create(cli, filename, CREATE_ACCESS_READ);
4300
4301 if (fnum == -1) {
4302 DEBUG(5, ("cacl_get failed to open %s: %s\n",
4303 filename, cli_errstr(cli)));
4304 errno = 0;
4305 return -1;
4306 }
4307
4308 sd = cli_query_secdesc(cli, fnum, ctx);
4309
4310 if (!sd) {
4311 DEBUG(5,
4312 ("cacl_get Failed to query old descriptor\n"));
4313 errno = 0;
4314 return -1;
4315 }
4316
4317 cli_close(cli, fnum);
4318
4319 if (! exclude_nt_revision) {
4320 if (all || all_nt) {
4321 if (determine_size) {
4322 p = talloc_asprintf(ctx,
4323 "REVISION:%d",
4324 sd->revision);
4325 if (!p) {
4326 errno = ENOMEM;
4327 return -1;
4328 }
4329 n = strlen(p);
4330 } else {
4331 n = snprintf(buf, bufsize,
4332 "REVISION:%d",
4333 sd->revision);
4334 }
4335 } else if (StrCaseCmp(name, "revision") == 0) {
4336 if (determine_size) {
4337 p = talloc_asprintf(ctx, "%d",
4338 sd->revision);
4339 if (!p) {
4340 errno = ENOMEM;
4341 return -1;
4342 }
4343 n = strlen(p);
4344 } else {
4345 n = snprintf(buf, bufsize, "%d",
4346 sd->revision);
4347 }
4348 }
4349
4350 if (!determine_size && n > bufsize) {
4351 errno = ERANGE;
4352 return -1;
4353 }
4354 buf += n;
4355 n_used += n;
4356 bufsize -= n;
4357 }
4358
4359 if (! exclude_nt_owner) {
4360 /* Get owner and group sid */
4361 if (sd->owner_sid) {
4362 convert_sid_to_string(ipc_cli, pol,
4363 sidstr,
4364 numeric,
4365 sd->owner_sid);
4366 } else {
4367 fstrcpy(sidstr, "");
4368 }
4369
4370 if (all || all_nt) {
4371 if (determine_size) {
4372 p = talloc_asprintf(ctx, ",OWNER:%s",
4373 sidstr);
4374 if (!p) {
4375 errno = ENOMEM;
4376 return -1;
4377 }
4378 n = strlen(p);
4379 } else {
4380 n = snprintf(buf, bufsize,
4381 ",OWNER:%s", sidstr);
4382 }
4383 } else if (StrnCaseCmp(name, "owner", 5) == 0) {
4384 if (determine_size) {
4385 p = talloc_asprintf(ctx, "%s", sidstr);
4386 if (!p) {
4387 errno = ENOMEM;
4388 return -1;
4389 }
4390 n = strlen(p);
4391 } else {
4392 n = snprintf(buf, bufsize, "%s",
4393 sidstr);
4394 }
4395 }
4396
4397 if (!determine_size && n > bufsize) {
4398 errno = ERANGE;
4399 return -1;
4400 }
4401 buf += n;
4402 n_used += n;
4403 bufsize -= n;
4404 }
4405
4406 if (! exclude_nt_group) {
4407 if (sd->grp_sid) {
4408 convert_sid_to_string(ipc_cli, pol,
4409 sidstr, numeric,
4410 sd->grp_sid);
4411 } else {
4412 fstrcpy(sidstr, "");
4413 }
4414
4415 if (all || all_nt) {
4416 if (determine_size) {
4417 p = talloc_asprintf(ctx, ",GROUP:%s",
4418 sidstr);
4419 if (!p) {
4420 errno = ENOMEM;
4421 return -1;
4422 }
4423 n = strlen(p);
4424 } else {
4425 n = snprintf(buf, bufsize,
4426 ",GROUP:%s", sidstr);
4427 }
4428 } else if (StrnCaseCmp(name, "group", 5) == 0) {
4429 if (determine_size) {
4430 p = talloc_asprintf(ctx, "%s", sidstr);
4431 if (!p) {
4432 errno = ENOMEM;
4433 return -1;
4434 }
4435 n = strlen(p);
4436 } else {
4437 n = snprintf(buf, bufsize,
4438 "%s", sidstr);
4439 }
4440 }
4441
4442 if (!determine_size && n > bufsize) {
4443 errno = ERANGE;
4444 return -1;
4445 }
4446 buf += n;
4447 n_used += n;
4448 bufsize -= n;
4449 }
4450
4451 if (! exclude_nt_acl) {
4452 /* Add aces to value buffer */
4453 for (i = 0; sd->dacl && i < sd->dacl->num_aces; i++) {
4454
4455 SEC_ACE *ace = &sd->dacl->ace[i];
4456 convert_sid_to_string(ipc_cli, pol,
4457 sidstr, numeric,
4458 &ace->trustee);
4459
4460 if (all || all_nt) {
4461 if (determine_size) {
4462 p = talloc_asprintf(
4463 ctx,
4464 ",ACL:"
4465 "%s:%d/%d/0x%08x",
4466 sidstr,
4467 ace->type,
4468 ace->flags,
4469 ace->info.mask);
4470 if (!p) {
4471 errno = ENOMEM;
4472 return -1;
4473 }
4474 n = strlen(p);
4475 } else {
4476 n = snprintf(
4477 buf, bufsize,
4478 ",ACL:%s:%d/%d/0x%08x",
4479 sidstr,
4480 ace->type,
4481 ace->flags,
4482 ace->info.mask);
4483 }
4484 } else if ((StrnCaseCmp(name, "acl", 3) == 0 &&
4485 StrCaseCmp(name+3, sidstr) == 0) ||
4486 (StrnCaseCmp(name, "acl+", 4) == 0 &&
4487 StrCaseCmp(name+4, sidstr) == 0)) {
4488 if (determine_size) {
4489 p = talloc_asprintf(
4490 ctx,
4491 "%d/%d/0x%08x",
4492 ace->type,
4493 ace->flags,
4494 ace->info.mask);
4495 if (!p) {
4496 errno = ENOMEM;
4497 return -1;
4498 }
4499 n = strlen(p);
4500 } else {
4501 n = snprintf(buf, bufsize,
4502 "%d/%d/0x%08x",
4503 ace->type,
4504 ace->flags,
4505 ace->info.mask);
4506 }
4507 } else if (all_nt_acls) {
4508 if (determine_size) {
4509 p = talloc_asprintf(
4510 ctx,
4511 "%s%s:%d/%d/0x%08x",
4512 i ? "," : "",
4513 sidstr,
4514 ace->type,
4515 ace->flags,
4516 ace->info.mask);
4517 if (!p) {
4518 errno = ENOMEM;
4519 return -1;
4520 }
4521 n = strlen(p);
4522 } else {
4523 n = snprintf(buf, bufsize,
4524 "%s%s:%d/%d/0x%08x",
4525 i ? "," : "",
4526 sidstr,
4527 ace->type,
4528 ace->flags,
4529 ace->info.mask);
4530 }
4531 }
4532 if (n > bufsize) {
4533 errno = ERANGE;
4534 return -1;
4535 }
4536 buf += n;
4537 n_used += n;
4538 bufsize -= n;
4539 }
4540 }
4541
4542 /* Restore name pointer to its original value */
4543 name -= 19;
4544 }
4545
4546 if (all || some_dos) {
4547 /* Point to the portion after "system.dos_attr." */
4548 name += 16; /* if (all) this will be invalid but unused */
4549
4550 /* Obtain the DOS attributes */
4551 if (!smbc_getatr(context, srv, filename, &mode, &size,
4552 &c_time, &a_time, &m_time, &ino)) {
4553
4554 errno = smbc_errno(context, &srv->cli);
4555 return -1;
4556
4557 }
4558
4559 if (! exclude_dos_mode) {
4560 if (all || all_dos) {
4561 if (determine_size) {
4562 p = talloc_asprintf(ctx,
4563 "%sMODE:0x%x",
4564 (ipc_cli &&
4565 (all || some_nt)
4566 ? ","
4567 : ""),
4568 mode);
4569 if (!p) {
4570 errno = ENOMEM;
4571 return -1;
4572 }
4573 n = strlen(p);
4574 } else {
4575 n = snprintf(buf, bufsize,
4576 "%sMODE:0x%x",
4577 (ipc_cli &&
4578 (all || some_nt)
4579 ? ","
4580 : ""),
4581 mode);
4582 }
4583 } else if (StrCaseCmp(name, "mode") == 0) {
4584 if (determine_size) {
4585 p = talloc_asprintf(ctx, "0x%x", mode);
4586 if (!p) {
4587 errno = ENOMEM;
4588 return -1;
4589 }
4590 n = strlen(p);
4591 } else {
4592 n = snprintf(buf, bufsize,
4593 "0x%x", mode);
4594 }
4595 }
4596
4597 if (!determine_size && n > bufsize) {
4598 errno = ERANGE;
4599 return -1;
4600 }
4601 buf += n;
4602 n_used += n;
4603 bufsize -= n;
4604 }
4605
4606 if (! exclude_dos_size) {
4607 if (all || all_dos) {
4608 if (determine_size) {
4609 p = talloc_asprintf(
4610 ctx,
4611 ",SIZE:%.0f",
4612 (double)size);
4613 if (!p) {
4614 errno = ENOMEM;
4615 return -1;
4616 }
4617 n = strlen(p);
4618 } else {
4619 n = snprintf(buf, bufsize,
4620 ",SIZE:%.0f",
4621 (double)size);
4622 }
4623 } else if (StrCaseCmp(name, "size") == 0) {
4624 if (determine_size) {
4625 p = talloc_asprintf(
4626 ctx,
4627 "%.0f",
4628 (double)size);
4629 if (!p) {
4630 errno = ENOMEM;
4631 return -1;
4632 }
4633 n = strlen(p);
4634 } else {
4635 n = snprintf(buf, bufsize,
4636 "%.0f",
4637 (double)size);
4638 }
4639 }
4640
4641 if (!determine_size && n > bufsize) {
4642 errno = ERANGE;
4643 return -1;
4644 }
4645 buf += n;
4646 n_used += n;
4647 bufsize -= n;
4648 }
4649
4650 if (! exclude_dos_ctime) {
4651 if (all || all_dos) {
4652 if (determine_size) {
4653 p = talloc_asprintf(ctx,
4654 ",C_TIME:%lu",
4655 c_time);
4656 if (!p) {
4657 errno = ENOMEM;
4658 return -1;
4659 }
4660 n = strlen(p);
4661 } else {
4662 n = snprintf(buf, bufsize,
4663 ",C_TIME:%lu", c_time);
4664 }
4665 } else if (StrCaseCmp(name, "c_time") == 0) {
4666 if (determine_size) {
4667 p = talloc_asprintf(ctx, "%lu", c_time);
4668 if (!p) {
4669 errno = ENOMEM;
4670 return -1;
4671 }
4672 n = strlen(p);
4673 } else {
4674 n = snprintf(buf, bufsize,
4675 "%lu", c_time);
4676 }
4677 }
4678
4679 if (!determine_size && n > bufsize) {
4680 errno = ERANGE;
4681 return -1;
4682 }
4683 buf += n;
4684 n_used += n;
4685 bufsize -= n;
4686 }
4687
4688 if (! exclude_dos_atime) {
4689 if (all || all_dos) {
4690 if (determine_size) {
4691 p = talloc_asprintf(ctx,
4692 ",A_TIME:%lu",
4693 a_time);
4694 if (!p) {
4695 errno = ENOMEM;
4696 return -1;
4697 }
4698 n = strlen(p);
4699 } else {
4700 n = snprintf(buf, bufsize,
4701 ",A_TIME:%lu", a_time);
4702 }
4703 } else if (StrCaseCmp(name, "a_time") == 0) {
4704 if (determine_size) {
4705 p = talloc_asprintf(ctx, "%lu", a_time);
4706 if (!p) {
4707 errno = ENOMEM;
4708 return -1;
4709 }
4710 n = strlen(p);
4711 } else {
4712 n = snprintf(buf, bufsize,
4713 "%lu", a_time);
4714 }
4715 }
4716
4717 if (!determine_size && n > bufsize) {
4718 errno = ERANGE;
4719 return -1;
4720 }
4721 buf += n;
4722 n_used += n;
4723 bufsize -= n;
4724 }
4725
4726 if (! exclude_dos_mtime) {
4727 if (all || all_dos) {
4728 if (determine_size) {
4729 p = talloc_asprintf(ctx,
4730 ",M_TIME:%lu",
4731 m_time);
4732 if (!p) {
4733 errno = ENOMEM;
4734 return -1;
4735 }
4736 n = strlen(p);
4737 } else {
4738 n = snprintf(buf, bufsize,
4739 ",M_TIME:%lu", m_time);
4740 }
4741 } else if (StrCaseCmp(name, "m_time") == 0) {
4742 if (determine_size) {
4743 p = talloc_asprintf(ctx, "%lu", m_time);
4744 if (!p) {
4745 errno = ENOMEM;
4746 return -1;
4747 }
4748 n = strlen(p);
4749 } else {
4750 n = snprintf(buf, bufsize,
4751 "%lu", m_time);
4752 }
4753 }
4754
4755 if (!determine_size && n > bufsize) {
4756 errno = ERANGE;
4757 return -1;
4758 }
4759 buf += n;
4760 n_used += n;
4761 bufsize -= n;
4762 }
4763
4764 if (! exclude_dos_inode) {
4765 if (all || all_dos) {
4766 if (determine_size) {
4767 p = talloc_asprintf(
4768 ctx,
4769 ",INODE:%.0f",
4770 (double)ino);
4771 if (!p) {
4772 errno = ENOMEM;
4773 return -1;
4774 }
4775 n = strlen(p);
4776 } else {
4777 n = snprintf(buf, bufsize,
4778 ",INODE:%.0f",
4779 (double) ino);
4780 }
4781 } else if (StrCaseCmp(name, "inode") == 0) {
4782 if (determine_size) {
4783 p = talloc_asprintf(
4784 ctx,
4785 "%.0f",
4786 (double) ino);
4787 if (!p) {
4788 errno = ENOMEM;
4789 return -1;
4790 }
4791 n = strlen(p);
4792 } else {
4793 n = snprintf(buf, bufsize,
4794 "%.0f",
4795 (double) ino);
4796 }
4797 }
4798
4799 if (!determine_size && n > bufsize) {
4800 errno = ERANGE;
4801 return -1;
4802 }
4803 buf += n;
4804 n_used += n;
4805 bufsize -= n;
4806 }
4807
4808 /* Restore name pointer to its original value */
4809 name -= 16;
4810 }
4811
4812 if (n_used == 0) {
4813 errno = ENOATTR;
4814 return -1;
4815 }
4816
4817 return n_used;
4818 }
4819
4820
4821 /*****************************************************
4822 set the ACLs on a file given an ascii description
4823 *******************************************************/
4824 static int
4825 cacl_set(TALLOC_CTX *ctx,
4826 struct cli_state *cli,
4827 struct cli_state *ipc_cli,
4828 POLICY_HND *pol,
4829 const char *filename,
4830 const char *the_acl,
4831 int mode,
4832 int flags)
4833 {
4834 int fnum;
4835 int err = 0;
4836 SEC_DESC *sd = NULL, *old;
4837 SEC_ACL *dacl = NULL;
4838 DOM_SID *owner_sid = NULL;
4839 DOM_SID *grp_sid = NULL;
4840 uint32 i, j;
4841 size_t sd_size;
4842 int ret = 0;
4843 char *p;
4844 BOOL numeric = True;
4845
4846 /* the_acl will be null for REMOVE_ALL operations */
4847 if (the_acl) {
4848 numeric = ((p = strchr(the_acl, ':')) != NULL &&
4849 p > the_acl &&
4850 p[-1] != '+');
4851
4852 /* if this is to set the entire ACL... */
4853 if (*the_acl == '*') {
4854 /* ... then increment past the first colon */
4855 the_acl = p + 1;
4856 }
4857
4858 sd = sec_desc_parse(ctx, ipc_cli, pol, numeric,
4859 CONST_DISCARD(char *, the_acl));
4860
4861 if (!sd) {
4862 errno = EINVAL;
4863 return -1;
4864 }
4865 }
4866
4867 /* SMBC_XATTR_MODE_REMOVE_ALL is the only caller
4868 that doesn't deref sd */
4869
4870 if (!sd && (mode != SMBC_XATTR_MODE_REMOVE_ALL)) {
4871 errno = EINVAL;
4872 return -1;
4873 }
4874
4875 /* The desired access below is the only one I could find that works
4876 with NT4, W2KP and Samba */
4877
4878 fnum = cli_nt_create(cli, filename, CREATE_ACCESS_READ);
4879
4880 if (fnum == -1) {
4881 DEBUG(5, ("cacl_set failed to open %s: %s\n",
4882 filename, cli_errstr(cli)));
4883 errno = 0;
4884 return -1;
4885 }
4886
4887 old = cli_query_secdesc(cli, fnum, ctx);
4888
4889 if (!old) {
4890 DEBUG(5, ("cacl_set Failed to query old descriptor\n"));
4891 errno = 0;
4892 return -1;
4893 }
4894
4895 cli_close(cli, fnum);
4896
4897 switch (mode) {
4898 case SMBC_XATTR_MODE_REMOVE_ALL:
4899 old->dacl->num_aces = 0;
4900 SAFE_FREE(old->dacl->ace);
4901 SAFE_FREE(old->dacl);
4902 old->off_dacl = 0;
4903 dacl = old->dacl;
4904 break;
4905
4906 case SMBC_XATTR_MODE_REMOVE:
4907 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
4908 BOOL found = False;
4909
4910 for (j=0;old->dacl && j<old->dacl->num_aces;j++) {
4911 if (sec_ace_equal(&sd->dacl->ace[i],
4912 &old->dacl->ace[j])) {
4913 uint32 k;
4914 for (k=j; k<old->dacl->num_aces-1;k++) {
4915 old->dacl->ace[k] =
4916 old->dacl->ace[k+1];
4917 }
4918 old->dacl->num_aces--;
4919 if (old->dacl->num_aces == 0) {
4920 SAFE_FREE(old->dacl->ace);
4921 SAFE_FREE(old->dacl);
4922 old->off_dacl = 0;
4923 }
4924 found = True;
4925 dacl = old->dacl;
4926 break;
4927 }
4928 }
4929
4930 if (!found) {
4931 err = ENOATTR;
4932 ret = -1;
4933 goto failed;
4934 }
4935 }
4936 break;
4937
4938 case SMBC_XATTR_MODE_ADD:
4939 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
4940 BOOL found = False;
4941
4942 for (j=0;old->dacl && j<old->dacl->num_aces;j++) {
4943 if (sid_equal(&sd->dacl->ace[i].trustee,
4944 &old->dacl->ace[j].trustee)) {
4945 if (!(flags & SMBC_XATTR_FLAG_CREATE)) {
4946 err = EEXIST;
4947 ret = -1;
4948 goto failed;
4949 }
4950 old->dacl->ace[j] = sd->dacl->ace[i];
4951 ret = -1;
4952 found = True;
4953 }
4954 }
4955
4956 if (!found && (flags & SMBC_XATTR_FLAG_REPLACE)) {
4957 err = ENOATTR;
4958 ret = -1;
4959 goto failed;
4960 }
4961
4962 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
4963 add_ace(&old->dacl, &sd->dacl->ace[i], ctx);
4964 }
4965 }
4966 dacl = old->dacl;
4967 break;
4968
4969 case SMBC_XATTR_MODE_SET:
4970 old = sd;
4971 owner_sid = old->owner_sid;
4972 grp_sid = old->grp_sid;
4973 dacl = old->dacl;
4974 break;
4975
4976 case SMBC_XATTR_MODE_CHOWN:
4977 owner_sid = sd->owner_sid;
4978 break;
4979
4980 case SMBC_XATTR_MODE_CHGRP:
4981 grp_sid = sd->grp_sid;
4982 break;
4983 }
4984
4985 /* Denied ACE entries must come before allowed ones */
4986 sort_acl(old->dacl);
4987
4988 /* Create new security descriptor and set it */
4989 sd = make_sec_desc(ctx, old->revision, SEC_DESC_SELF_RELATIVE,
4990 owner_sid, grp_sid, NULL, dacl, &sd_size);
4991
4992 fnum = cli_nt_create(cli, filename,
4993 WRITE_DAC_ACCESS | WRITE_OWNER_ACCESS);
4994
4995 if (fnum == -1) {
4996 DEBUG(5, ("cacl_set failed to open %s: %s\n",
4997 filename, cli_errstr(cli)));
4998 errno = 0;
4999 return -1;
5000 }
5001
5002 if (!cli_set_secdesc(cli, fnum, sd)) {
5003 DEBUG(5, ("ERROR: secdesc set failed: %s\n", cli_errstr(cli)));
5004 ret = -1;
5005 }
5006
5007 /* Clean up */
5008
5009 failed:
5010 cli_close(cli, fnum);
5011
5012 if (err != 0) {
5013 errno = err;
5014 }
5015
5016 return ret;
5017 }
5018
5019
5020 static int
5021 smbc_setxattr_ctx(SMBCCTX *context,
5022 const char *fname,
5023 const char *name,
5024 const void *value,
5025 size_t size,
5026 int flags)
5027 {
5028 int ret;
5029 int ret2;
5030 SMBCSRV *srv;
5031 SMBCSRV *ipc_srv;
5032 fstring server;
5033 fstring share;
5034 fstring user;
5035 fstring password;
5036 fstring workgroup;
5037 pstring path;
5038 TALLOC_CTX *ctx;
5039 POLICY_HND pol;
5040 DOS_ATTR_DESC *dad;
5041
5042 if (!context || !context->internal ||
5043 !context->internal->_initialized) {
5044
5045 errno = EINVAL; /* Best I can think of ... */
5046 return -1;
5047
5048 }
5049
5050 if (!fname) {
5051
5052 errno = EINVAL;
5053 return -1;
5054
5055 }
5056
5057 DEBUG(4, ("smbc_setxattr(%s, %s, %.*s)\n",
5058 fname, name, (int) size, (const char*)value));
5059
5060 if (smbc_parse_path(context, fname,
5061 workgroup, sizeof(workgroup),
5062 server, sizeof(server),
5063 share, sizeof(share),
5064 path, sizeof(path),
5065 user, sizeof(user),
5066 password, sizeof(password),
5067 NULL, 0)) {
5068 errno = EINVAL;
5069 return -1;
5070 }
5071
5072 if (user[0] == (char)0) fstrcpy(user, context->user);
5073
5074 srv = smbc_server(context, True,
5075 server, share, workgroup, user, password);
5076 if (!srv) {
5077 return -1; /* errno set by smbc_server */
5078 }
5079
5080 if (! srv->no_nt_session) {
5081 ipc_srv = smbc_attr_server(context, server, share,
5082 workgroup, user, password,
5083 &pol);
5084 srv->no_nt_session = True;
5085 } else {
5086 ipc_srv = NULL;
5087 }
5088
5089 ctx = talloc_init("smbc_setxattr");
5090 if (!ctx) {
5091 errno = ENOMEM;
5092 return -1;
5093 }
5094
5095 /*
5096 * Are they asking to set the entire set of known attributes?
5097 */
5098 if (StrCaseCmp(name, "system.*") == 0 ||
5099 StrCaseCmp(name, "system.*+") == 0) {
5100 /* Yup. */
5101 char *namevalue =
5102 talloc_asprintf(ctx, "%s:%s",
5103 name+7, (const char *) value);
5104 if (! namevalue) {
5105 errno = ENOMEM;
5106 ret = -1;
5107 return -1;
5108 }
5109
5110 if (ipc_srv) {
5111 ret = cacl_set(ctx, &srv->cli,
5112 &ipc_srv->cli, &pol, path,
5113 namevalue,
5114 (*namevalue == '*'
5115 ? SMBC_XATTR_MODE_SET
5116 : SMBC_XATTR_MODE_ADD),
5117 flags);
5118 } else {
5119 ret = 0;
5120 }
5121
5122 /* get a DOS Attribute Descriptor with current attributes */
5123 dad = dos_attr_query(context, ctx, path, srv);
5124 if (dad) {
5125 /* Overwrite old with new, using what was provided */
5126 dos_attr_parse(context, dad, srv, namevalue);
5127
5128 /* Set the new DOS attributes */
5129 if (! smbc_setatr(context, srv, path,
5130 dad->c_time,
5131 dad->a_time,
5132 dad->m_time,
5133 dad->mode)) {
5134
5135 /* cause failure if NT failed too */
5136 dad = NULL;
5137 }
5138 }
5139
5140 /* we only fail if both NT and DOS sets failed */
5141 if (ret < 0 && ! dad) {
5142 ret = -1; /* in case dad was null */
5143 }
5144 else {
5145 ret = 0;
5146 }
5147
5148 talloc_destroy(ctx);
5149 return ret;
5150 }
5151
5152 /*
5153 * Are they asking to set an access control element or to set
5154 * the entire access control list?
5155 */
5156 if (StrCaseCmp(name, "system.nt_sec_desc.*") == 0 ||
5157 StrCaseCmp(name, "system.nt_sec_desc.*+") == 0 ||
5158 StrCaseCmp(name, "system.nt_sec_desc.revision") == 0 ||
5159 StrnCaseCmp(name, "system.nt_sec_desc.acl", 22) == 0 ||
5160 StrnCaseCmp(name, "system.nt_sec_desc.acl+", 23) == 0) {
5161
5162 /* Yup. */
5163 char *namevalue =
5164 talloc_asprintf(ctx, "%s:%s",
5165 name+19, (const char *) value);
5166
5167 if (! ipc_srv) {
5168 ret = -1; /* errno set by smbc_server() */
5169 }
5170 else if (! namevalue) {
5171 errno = ENOMEM;
5172 ret = -1;
5173 } else {
5174 ret = cacl_set(ctx, &srv->cli,
5175 &ipc_srv->cli, &pol, path,
5176 namevalue,
5177 (*namevalue == '*'
5178 ? SMBC_XATTR_MODE_SET
5179 : SMBC_XATTR_MODE_ADD),
5180 flags);
5181 }
5182 talloc_destroy(ctx);
5183 return ret;
5184 }
5185
5186 /*
5187 * Are they asking to set the owner?
5188 */
5189 if (StrCaseCmp(name, "system.nt_sec_desc.owner") == 0 ||
5190 StrCaseCmp(name, "system.nt_sec_desc.owner+") == 0) {
5191
5192 /* Yup. */
5193 char *namevalue =
5194 talloc_asprintf(ctx, "%s:%s",
5195 name+19, (const char *) value);
5196
5197 if (! ipc_srv) {
5198
5199 ret = -1; /* errno set by smbc_server() */
5200 }
5201 else if (! namevalue) {
5202 errno = ENOMEM;
5203 ret = -1;
5204 } else {
5205 ret = cacl_set(ctx, &srv->cli,
5206 &ipc_srv->cli, &pol, path,
5207 namevalue, SMBC_XATTR_MODE_CHOWN, 0);
5208 }
5209 talloc_destroy(ctx);
5210 return ret;
5211 }
5212
5213 /*
5214 * Are they asking to set the group?
5215 */
5216 if (StrCaseCmp(name, "system.nt_sec_desc.group") == 0 ||
5217 StrCaseCmp(name, "system.nt_sec_desc.group+") == 0) {
5218
5219 /* Yup. */
5220 char *namevalue =
5221 talloc_asprintf(ctx, "%s:%s",
5222 name+19, (const char *) value);
5223
5224 if (! ipc_srv) {
5225 /* errno set by smbc_server() */
5226 ret = -1;
5227 }
5228 else if (! namevalue) {
5229 errno = ENOMEM;
5230 ret = -1;
5231 } else {
5232 ret = cacl_set(ctx, &srv->cli,
5233 &ipc_srv->cli, &pol, path,
5234 namevalue, SMBC_XATTR_MODE_CHOWN, 0);
5235 }
5236 talloc_destroy(ctx);
5237 return ret;
5238 }
5239
5240 /*
5241 * Are they asking to set a DOS attribute?
5242 */
5243 if (StrCaseCmp(name, "system.dos_attr.*") == 0 ||
5244 StrCaseCmp(name, "system.dos_attr.mode") == 0 ||
5245 StrCaseCmp(name, "system.dos_attr.c_time") == 0 ||
5246 StrCaseCmp(name, "system.dos_attr.a_time") == 0 ||
5247 StrCaseCmp(name, "system.dos_attr.m_time") == 0) {
5248
5249 /* get a DOS Attribute Descriptor with current attributes */
5250 dad = dos_attr_query(context, ctx, path, srv);
5251 if (dad) {
5252 char *namevalue =
5253 talloc_asprintf(ctx, "%s:%s",
5254 name+16, (const char *) value);
5255 if (! namevalue) {
5256 errno = ENOMEM;
5257 ret = -1;
5258 } else {
5259 /* Overwrite old with provided new params */
5260 dos_attr_parse(context, dad, srv, namevalue);
5261
5262 /* Set the new DOS attributes */
5263 ret2 = smbc_setatr(context, srv, path,
5264 dad->c_time,
5265 dad->a_time,
5266 dad->m_time,
5267 dad->mode);
5268
5269 /* ret2 has True (success) / False (failure) */
5270 if (ret2) {
5271 ret = 0;
5272 } else {
5273 ret = -1;
5274 }
5275 }
5276 } else {
5277 ret = -1;
5278 }
5279
5280 talloc_destroy(ctx);
5281 return ret;
5282 }
5283
5284 /* Unsupported attribute name */
5285 talloc_destroy(ctx);
5286 errno = EINVAL;
5287 return -1;
5288 }
5289
5290 static int
5291 smbc_getxattr_ctx(SMBCCTX *context,
5292 const char *fname,
5293 const char *name,
5294 const void *value,
5295 size_t size)
5296 {
5297 int ret;
5298 SMBCSRV *srv;
5299 SMBCSRV *ipc_srv;
5300 fstring server;
5301 fstring share;
5302 fstring user;
5303 fstring password;
5304 fstring workgroup;
5305 pstring path;
5306 TALLOC_CTX *ctx;
5307 POLICY_HND pol;
5308
5309
5310 if (!context || !context->internal ||
5311 !context->internal->_initialized) {
5312
5313 errno = EINVAL; /* Best I can think of ... */
5314 return -1;
5315
5316 }
5317
5318 if (!fname) {
5319
5320 errno = EINVAL;
5321 return -1;
5322
5323 }
5324
5325 DEBUG(4, ("smbc_getxattr(%s, %s)\n", fname, name));
5326
5327 if (smbc_parse_path(context, fname,
5328 workgroup, sizeof(workgroup),
5329 server, sizeof(server),
5330 share, sizeof(share),
5331 path, sizeof(path),
5332 user, sizeof(user),
5333 password, sizeof(password),
5334 NULL, 0)) {
5335 errno = EINVAL;
5336 return -1;
5337 }
5338
5339 if (user[0] == (char)0) fstrcpy(user, context->user);
5340
5341 srv = smbc_server(context, True,
5342 server, share, workgroup, user, password);
5343 if (!srv) {
5344 return -1; /* errno set by smbc_server */
5345 }
5346
5347 if (! srv->no_nt_session) {
5348 ipc_srv = smbc_attr_server(context, server, share,
5349 workgroup, user, password,
5350 &pol);
5351 if (! ipc_srv) {
5352 srv->no_nt_session = True;
5353 }
5354 } else {
5355 ipc_srv = NULL;
5356 }
5357
5358 ctx = talloc_init("smbc:getxattr");
5359 if (!ctx) {
5360 errno = ENOMEM;
5361 return -1;
5362 }
5363
5364 /* Are they requesting a supported attribute? */
5365 if (StrCaseCmp(name, "system.*") == 0 ||
5366 StrnCaseCmp(name, "system.*!", 9) == 0 ||
5367 StrCaseCmp(name, "system.*+") == 0 ||
5368 StrnCaseCmp(name, "system.*+!", 10) == 0 ||
5369 StrCaseCmp(name, "system.nt_sec_desc.*") == 0 ||
5370 StrnCaseCmp(name, "system.nt_sec_desc.*!", 21) == 0 ||
5371 StrCaseCmp(name, "system.nt_sec_desc.*+") == 0 ||
5372 StrnCaseCmp(name, "system.nt_sec_desc.*+!", 22) == 0 ||
5373 StrCaseCmp(name, "system.nt_sec_desc.revision") == 0 ||
5374 StrCaseCmp(name, "system.nt_sec_desc.owner") == 0 ||
5375 StrCaseCmp(name, "system.nt_sec_desc.owner+") == 0 ||
5376 StrCaseCmp(name, "system.nt_sec_desc.group") == 0 ||
5377 StrCaseCmp(name, "system.nt_sec_desc.group+") == 0 ||
5378 StrnCaseCmp(name, "system.nt_sec_desc.acl", 22) == 0 ||
5379 StrnCaseCmp(name, "system.nt_sec_desc.acl+", 23) == 0 ||
5380 StrCaseCmp(name, "system.dos_attr.*") == 0 ||
5381 StrnCaseCmp(name, "system.dos_attr.*!", 18) == 0 ||
5382 StrCaseCmp(name, "system.dos_attr.mode") == 0 ||
5383 StrCaseCmp(name, "system.dos_attr.size") == 0 ||
5384 StrCaseCmp(name, "system.dos_attr.c_time") == 0 ||
5385 StrCaseCmp(name, "system.dos_attr.a_time") == 0 ||
5386 StrCaseCmp(name, "system.dos_attr.m_time") == 0 ||
5387 StrCaseCmp(name, "system.dos_attr.inode") == 0) {
5388
5389 /* Yup. */
5390 ret = cacl_get(context, ctx, srv,
5391 ipc_srv == NULL ? NULL : &ipc_srv->cli,
5392 &pol, path,
5393 CONST_DISCARD(char *, name),
5394 CONST_DISCARD(char *, value), size);
5395 if (ret < 0 && errno == 0) {
5396 errno = smbc_errno(context, &srv->cli);
5397 }
5398 talloc_destroy(ctx);
5399 return ret;
5400 }
5401
5402 /* Unsupported attribute name */
5403 talloc_destroy(ctx);
5404 errno = EINVAL;
5405 return -1;
5406 }
5407
5408
5409 static int
5410 smbc_removexattr_ctx(SMBCCTX *context,
5411 const char *fname,
5412 const char *name)
5413 {
5414 int ret;
5415 SMBCSRV *srv;
5416 SMBCSRV *ipc_srv;
5417 fstring server;
5418 fstring share;
5419 fstring user;
5420 fstring password;
5421 fstring workgroup;
5422 pstring path;
5423 TALLOC_CTX *ctx;
5424 POLICY_HND pol;
5425
5426 if (!context || !context->internal ||
5427 !context->internal->_initialized) {
5428
5429 errno = EINVAL; /* Best I can think of ... */
5430 return -1;
5431
5432 }
5433
5434 if (!fname) {
5435
5436 errno = EINVAL;
5437 return -1;
5438
5439 }
5440
5441 DEBUG(4, ("smbc_removexattr(%s, %s)\n", fname, name));
5442
5443 if (smbc_parse_path(context, fname,
5444 workgroup, sizeof(workgroup),
5445 server, sizeof(server),
5446 share, sizeof(share),
5447 path, sizeof(path),
5448 user, sizeof(user),
5449 password, sizeof(password),
5450 NULL, 0)) {
5451 errno = EINVAL;
5452 return -1;
5453 }
5454
5455 if (user[0] == (char)0) fstrcpy(user, context->user);
5456
5457 srv = smbc_server(context, True,
5458 server, share, workgroup, user, password);
5459 if (!srv) {
5460 return -1; /* errno set by smbc_server */
5461 }
5462
5463 if (! srv->no_nt_session) {
5464 ipc_srv = smbc_attr_server(context, server, share,
5465 workgroup, user, password,
5466 &pol);
5467 srv->no_nt_session = True;
5468 } else {
5469 ipc_srv = NULL;
5470 }
5471
5472 if (! ipc_srv) {
5473 return -1; /* errno set by smbc_attr_server */
5474 }
5475
5476 ctx = talloc_init("smbc_removexattr");
5477 if (!ctx) {
5478 errno = ENOMEM;
5479 return -1;
5480 }
5481
5482 /* Are they asking to set the entire ACL? */
5483 if (StrCaseCmp(name, "system.nt_sec_desc.*") == 0 ||
5484 StrCaseCmp(name, "system.nt_sec_desc.*+") == 0) {
5485
5486 /* Yup. */
5487 ret = cacl_set(ctx, &srv->cli,
5488 &ipc_srv->cli, &pol, path,
5489 NULL, SMBC_XATTR_MODE_REMOVE_ALL, 0);
5490 talloc_destroy(ctx);
5491 return ret;
5492 }
5493
5494 /*
5495 * Are they asking to remove one or more spceific security descriptor
5496 * attributes?
5497 */
5498 if (StrCaseCmp(name, "system.nt_sec_desc.revision") == 0 ||
5499 StrCaseCmp(name, "system.nt_sec_desc.owner") == 0 ||
5500 StrCaseCmp(name, "system.nt_sec_desc.owner+") == 0 ||
5501 StrCaseCmp(name, "system.nt_sec_desc.group") == 0 ||
5502 StrCaseCmp(name, "system.nt_sec_desc.group+") == 0 ||
5503 StrnCaseCmp(name, "system.nt_sec_desc.acl", 22) == 0 ||
5504 StrnCaseCmp(name, "system.nt_sec_desc.acl+", 23) == 0) {
5505
5506 /* Yup. */
5507 ret = cacl_set(ctx, &srv->cli,
5508 &ipc_srv->cli, &pol, path,
5509 name + 19, SMBC_XATTR_MODE_REMOVE, 0);
5510 talloc_destroy(ctx);
5511 return ret;
5512 }
5513
5514 /* Unsupported attribute name */
5515 talloc_destroy(ctx);
5516 errno = EINVAL;
5517 return -1;
5518 }
5519
5520 static int
5521 smbc_listxattr_ctx(SMBCCTX *context,
5522 const char *fname,
5523 char *list,
5524 size_t size)
5525 {
5526 /*
5527 * This isn't quite what listxattr() is supposed to do. This returns
5528 * the complete set of attribute names, always, rather than only those
5529 * attribute names which actually exist for a file. Hmmm...
5530 */
5531 const char supported[] =
5532 "system.*\0"
5533 "system.*+\0"
5534 "system.nt_sec_desc.revision\0"
5535 "system.nt_sec_desc.owner\0"
5536 "system.nt_sec_desc.owner+\0"
5537 "system.nt_sec_desc.group\0"
5538 "system.nt_sec_desc.group+\0"
5539 "system.nt_sec_desc.acl.*\0"
5540 "system.nt_sec_desc.acl\0"
5541 "system.nt_sec_desc.acl+\0"
5542 "system.nt_sec_desc.*\0"
5543 "system.nt_sec_desc.*+\0"
5544 "system.dos_attr.*\0"
5545 "system.dos_attr.mode\0"
5546 "system.dos_attr.c_time\0"
5547 "system.dos_attr.a_time\0"
5548 "system.dos_attr.m_time\0"
5549 ;
5550
5551 if (size == 0) {
5552 return sizeof(supported);
5553 }
5554
5555 if (sizeof(supported) > size) {
5556 errno = ERANGE;
5557 return -1;
5558 }
5559
5560 /* this can't be strcpy() because there are embedded null characters */
5561 memcpy(list, supported, sizeof(supported));
5562 return sizeof(supported);
5563 }
5564
5565
5566 /*
5567 * Open a print file to be written to by other calls
5568 */
5569
5570 static SMBCFILE *
5571 smbc_open_print_job_ctx(SMBCCTX *context,
5572 const char *fname)
5573 {
5574 fstring server;
5575 fstring share;
5576 fstring user;
5577 fstring password;
5578 pstring path;
5579
5580 if (!context || !context->internal ||
5581 !context->internal->_initialized) {
5582
5583 errno = EINVAL;
5584 return NULL;
5585
5586 }
5587
5588 if (!fname) {
5589
5590 errno = EINVAL;
5591 return NULL;
5592
5593 }
5594
5595 DEBUG(4, ("smbc_open_print_job_ctx(%s)\n", fname));
5596
5597 if (smbc_parse_path(context, fname,
5598 NULL, 0,
5599 server, sizeof(server),
5600 share, sizeof(share),
5601 path, sizeof(path),
5602 user, sizeof(user),
5603 password, sizeof(password),
5604 NULL, 0)) {
5605 errno = EINVAL;
5606 return NULL;
5607 }
5608
5609 /* What if the path is empty, or the file exists? */
5610
5611 return context->open(context, fname, O_WRONLY, 666);
5612
5613 }
5614
5615 /*
5616 * Routine to print a file on a remote server ...
5617 *
5618 * We open the file, which we assume to be on a remote server, and then
5619 * copy it to a print file on the share specified by printq.
5620 */
5621
5622 static int
5623 smbc_print_file_ctx(SMBCCTX *c_file,
5624 const char *fname,
5625 SMBCCTX *c_print,
5626 const char *printq)
5627 {
5628 SMBCFILE *fid1;
5629 SMBCFILE *fid2;
5630 int bytes;
5631 int saverr;
5632 int tot_bytes = 0;
5633 char buf[4096];
5634
5635 if (!c_file || !c_file->internal->_initialized || !c_print ||
5636 !c_print->internal->_initialized) {
5637
5638 errno = EINVAL;
5639 return -1;
5640
5641 }
5642
5643 if (!fname && !printq) {
5644
5645 errno = EINVAL;
5646 return -1;
5647
5648 }
5649
5650 /* Try to open the file for reading ... */
5651
5652 if ((long)(fid1 = c_file->open(c_file, fname, O_RDONLY, 0666)) < 0) {
5653
5654 DEBUG(3, ("Error, fname=%s, errno=%i\n", fname, errno));
5655 return -1; /* smbc_open sets errno */
5656
5657 }
5658
5659 /* Now, try to open the printer file for writing */
5660
5661 if ((long)(fid2 = c_print->open_print_job(c_print, printq)) < 0) {
5662
5663 saverr = errno; /* Save errno */
5664 c_file->close_fn(c_file, fid1);
5665 errno = saverr;
5666 return -1;
5667
5668 }
5669
5670 while ((bytes = c_file->read(c_file, fid1, buf, sizeof(buf))) > 0) {
5671
5672 tot_bytes += bytes;
5673
5674 if ((c_print->write(c_print, fid2, buf, bytes)) < 0) {
5675
5676 saverr = errno;
5677 c_file->close_fn(c_file, fid1);
5678 c_print->close_fn(c_print, fid2);
5679 errno = saverr;
5680
5681 }
5682
5683 }
5684
5685 saverr = errno;
5686
5687 c_file->close_fn(c_file, fid1); /* We have to close these anyway */
5688 c_print->close_fn(c_print, fid2);
5689
5690 if (bytes < 0) {
5691
5692 errno = saverr;
5693 return -1;
5694
5695 }
5696
5697 return tot_bytes;
5698
5699 }
5700
5701 /*
5702 * Routine to list print jobs on a printer share ...
5703 */
5704
5705 static int
5706 smbc_list_print_jobs_ctx(SMBCCTX *context,
5707 const char *fname,
5708 smbc_list_print_job_fn fn)
5709 {
5710 SMBCSRV *srv;
5711 fstring server;
5712 fstring share;
5713 fstring user;
5714 fstring password;
5715 fstring workgroup;
5716 pstring path;
5717
5718 if (!context || !context->internal ||
5719 !context->internal->_initialized) {
5720
5721 errno = EINVAL;
5722 return -1;
5723
5724 }
5725
5726 if (!fname) {
5727
5728 errno = EINVAL;
5729 return -1;
5730
5731 }
5732
5733 DEBUG(4, ("smbc_list_print_jobs(%s)\n", fname));
5734
5735 if (smbc_parse_path(context, fname,
5736 workgroup, sizeof(workgroup),
5737 server, sizeof(server),
5738 share, sizeof(share),
5739 path, sizeof(path),
5740 user, sizeof(user),
5741 password, sizeof(password),
5742 NULL, 0)) {
5743 errno = EINVAL;
5744 return -1;
5745 }
5746
5747 if (user[0] == (char)0) fstrcpy(user, context->user);
5748
5749 srv = smbc_server(context, True,
5750 server, share, workgroup, user, password);
5751
5752 if (!srv) {
5753
5754 return -1; /* errno set by smbc_server */
5755
5756 }
5757
5758 if (cli_print_queue(&srv->cli,
5759 (void (*)(struct print_job_info *))fn) < 0) {
5760
5761 errno = smbc_errno(context, &srv->cli);
5762 return -1;
5763
5764 }
5765
5766 return 0;
5767
5768 }
5769
5770 /*
5771 * Delete a print job from a remote printer share
5772 */
5773
5774 static int
5775 smbc_unlink_print_job_ctx(SMBCCTX *context,
5776 const char *fname,
5777 int id)
5778 {
5779 SMBCSRV *srv;
5780 fstring server;
5781 fstring share;
5782 fstring user;
5783 fstring password;
5784 fstring workgroup;
5785 pstring path;
5786 int err;
5787
5788 if (!context || !context->internal ||
5789 !context->internal->_initialized) {
5790
5791 errno = EINVAL;
5792 return -1;
5793
5794 }
5795
5796 if (!fname) {
5797
5798 errno = EINVAL;
5799 return -1;
5800
5801 }
5802
5803 DEBUG(4, ("smbc_unlink_print_job(%s)\n", fname));
5804
5805 if (smbc_parse_path(context, fname,
5806 workgroup, sizeof(workgroup),
5807 server, sizeof(server),
5808 share, sizeof(share),
5809 path, sizeof(path),
5810 user, sizeof(user),
5811 password, sizeof(password),
5812 NULL, 0)) {
5813 errno = EINVAL;
5814 return -1;
5815 }
5816
5817 if (user[0] == (char)0) fstrcpy(user, context->user);
5818
5819 srv = smbc_server(context, True,
5820 server, share, workgroup, user, password);
5821
5822 if (!srv) {
5823
5824 return -1; /* errno set by smbc_server */
5825
5826 }
5827
5828 if ((err = cli_printjob_del(&srv->cli, id)) != 0) {
5829
5830 if (err < 0)
5831 errno = smbc_errno(context, &srv->cli);
5832 else if (err == ERRnosuchprintjob)
5833 errno = EINVAL;
5834 return -1;
5835
5836 }
5837
5838 return 0;
5839
5840 }
5841
5842 /*
5843 * Get a new empty handle to fill in with your own info
5844 */
5845 SMBCCTX *
5846 smbc_new_context(void)
5847 {
5848 SMBCCTX *context;
5849
5850 context = SMB_MALLOC_P(SMBCCTX);
5851 if (!context) {
5852 errno = ENOMEM;
5853 return NULL;
5854 }
5855
5856 ZERO_STRUCTP(context);
5857
5858 context->internal = SMB_MALLOC_P(struct smbc_internal_data);
5859 if (!context->internal) {
5860 SAFE_FREE(context);
5861 errno = ENOMEM;
5862 return NULL;
5863 }
5864
5865 ZERO_STRUCTP(context->internal);
5866
5867
5868 /* ADD REASONABLE DEFAULTS */
5869 context->debug = 0;
5870 context->timeout = 20000; /* 20 seconds */
5871
5872 context->options.browse_max_lmb_count = 3; /* # LMBs to query */
5873 context->options.urlencode_readdir_entries = False;/* backward compat */
5874 context->options.one_share_per_server = False;/* backward compat */
5875
5876 context->open = smbc_open_ctx;
5877 context->creat = smbc_creat_ctx;
5878 context->read = smbc_read_ctx;
5879 context->write = smbc_write_ctx;
5880 context->close_fn = smbc_close_ctx;
5881 context->unlink = smbc_unlink_ctx;
5882 context->rename = smbc_rename_ctx;
5883 context->lseek = smbc_lseek_ctx;
5884 context->stat = smbc_stat_ctx;
5885 context->fstat = smbc_fstat_ctx;
5886 context->opendir = smbc_opendir_ctx;
5887 context->closedir = smbc_closedir_ctx;
5888 context->readdir = smbc_readdir_ctx;
5889 context->getdents = smbc_getdents_ctx;
5890 context->mkdir = smbc_mkdir_ctx;
5891 context->rmdir = smbc_rmdir_ctx;
5892 context->telldir = smbc_telldir_ctx;
5893 context->lseekdir = smbc_lseekdir_ctx;
5894 context->fstatdir = smbc_fstatdir_ctx;
5895 context->chmod = smbc_chmod_ctx;
5896 context->utimes = smbc_utimes_ctx;
5897 context->setxattr = smbc_setxattr_ctx;
5898 context->getxattr = smbc_getxattr_ctx;
5899 context->removexattr = smbc_removexattr_ctx;
5900 context->listxattr = smbc_listxattr_ctx;
5901 context->open_print_job = smbc_open_print_job_ctx;
5902 context->print_file = smbc_print_file_ctx;
5903 context->list_print_jobs = smbc_list_print_jobs_ctx;
5904 context->unlink_print_job = smbc_unlink_print_job_ctx;
5905
5906 context->callbacks.check_server_fn = smbc_check_server;
5907 context->callbacks.remove_unused_server_fn = smbc_remove_unused_server;
5908
5909 smbc_default_cache_functions(context);
5910
5911 return context;
5912 }
5913
5914 /*
5915 * Free a context
5916 *
5917 * Returns 0 on success. Otherwise returns 1, the SMBCCTX is _not_ freed
5918 * and thus you'll be leaking memory if not handled properly.
5919 *
5920 */
5921 int
5922 smbc_free_context(SMBCCTX *context,
5923 int shutdown_ctx)
5924 {
5925 if (!context) {
5926 errno = EBADF;
5927 return 1;
5928 }
5929
5930 if (shutdown_ctx) {
5931 SMBCFILE * f;
5932 DEBUG(1,("Performing aggressive shutdown.\n"));
5933
5934 f = context->internal->_files;
5935 while (f) {
5936 context->close_fn(context, f);
5937 f = f->next;
5938 }
5939 context->internal->_files = NULL;
5940
5941 /* First try to remove the servers the nice way. */
5942 if (context->callbacks.purge_cached_fn(context)) {
5943 SMBCSRV * s;
5944 SMBCSRV * next;
5945 DEBUG(1, ("Could not purge all servers, "
5946 "Nice way shutdown failed.\n"));
5947 s = context->internal->_servers;
5948 while (s) {
5949 DEBUG(1, ("Forced shutdown: %p (fd=%d)\n",
5950 s, s->cli.fd));
5951 cli_shutdown(&s->cli);
5952 context->callbacks.remove_cached_srv_fn(context,
5953 s);
5954 next = s->next;
5955 DLIST_REMOVE(context->internal->_servers, s);
5956 SAFE_FREE(s);
5957 s = next;
5958 }
5959 context->internal->_servers = NULL;
5960 }
5961 }
5962 else {
5963 /* This is the polite way */
5964 if (context->callbacks.purge_cached_fn(context)) {
5965 DEBUG(1, ("Could not purge all servers, "
5966 "free_context failed.\n"));
5967 errno = EBUSY;
5968 return 1;
5969 }
5970 if (context->internal->_servers) {
5971 DEBUG(1, ("Active servers in context, "
5972 "free_context failed.\n"));
5973 errno = EBUSY;
5974 return 1;
5975 }
5976 if (context->internal->_files) {
5977 DEBUG(1, ("Active files in context, "
5978 "free_context failed.\n"));
5979 errno = EBUSY;
5980 return 1;
5981 }
5982 }
5983
5984 /* Things we have to clean up */
5985 SAFE_FREE(context->workgroup);
5986 SAFE_FREE(context->netbios_name);
5987 SAFE_FREE(context->user);
5988
5989 DEBUG(3, ("Context %p succesfully freed\n", context));
5990 SAFE_FREE(context->internal);
5991 SAFE_FREE(context);
5992 return 0;
5993 }
5994
5995
5996 /*
5997 * Each time the context structure is changed, we have binary backward
5998 * compatibility issues. Instead of modifying the public portions of the
5999 * context structure to add new options, instead, we put them in the internal
6000 * portion of the context structure and provide a set function for these new
6001 * options.
6002 */
6003 void
6004 smbc_option_set(SMBCCTX *context,
6005 char *option_name,
6006 void *option_value)
6007 {
6008 if (strcmp(option_name, "debug_stderr") == 0) {
6009 /*
6010 * Log to standard error instead of standard output.
6011 */
6012 context->internal->_debug_stderr =
6013 (option_value == NULL ? False : True);
6014 } else if (strcmp(option_name, "auth_function") == 0) {
6015 /*
6016 * Use the new-style authentication function which includes
6017 * the context.
6018 */
6019 context->internal->_auth_fn_with_context = option_value;
6020 } else if (strcmp(option_name, "user_data") == 0) {
6021 /*
6022 * Save a user data handle which may be retrieved by the user
6023 * with smbc_option_get()
6024 */
6025 context->internal->_user_data = option_value;
6026 }
6027 }
6028
6029
6030 /*
6031 * Retrieve the current value of an option
6032 */
6033 void *
6034 smbc_option_get(SMBCCTX *context,
6035 char *option_name)
6036 {
6037 if (strcmp(option_name, "debug_stderr") == 0) {
6038 /*
6039 * Log to standard error instead of standard output.
6040 */
6041 #if defined(__intptr_t_defined) || defined(HAVE_INTPTR_T)
6042 return (void *) (intptr_t) context->internal->_debug_stderr;
6043 #else
6044 return (void *) context->internal->_debug_stderr;
6045 #endif
6046 } else if (strcmp(option_name, "auth_function") == 0) {
6047 /*
6048 * Use the new-style authentication function which includes
6049 * the context.
6050 */
6051 return (void *) context->internal->_auth_fn_with_context;
6052 } else if (strcmp(option_name, "user_data") == 0) {
6053 /*
6054 * Save a user data handle which may be retrieved by the user
6055 * with smbc_option_get()
6056 */
6057 return context->internal->_user_data;
6058 }
6059
6060 return NULL;
6061 }
6062
6063
6064 /*
6065 * Initialise the library etc
6066 *
6067 * We accept a struct containing handle information.
6068 * valid values for info->debug from 0 to 100,
6069 * and insist that info->fn must be non-null.
6070 */
6071 SMBCCTX *
6072 smbc_init_context(SMBCCTX *context)
6073 {
6074 pstring conf;
6075 int pid;
6076 char *user = NULL;
6077 char *home = NULL;
6078
6079 if (!context || !context->internal) {
6080 errno = EBADF;
6081 return NULL;
6082 }
6083
6084 /* Do not initialise the same client twice */
6085 if (context->internal->_initialized) {
6086 return 0;
6087 }
6088
6089 if ((!context->callbacks.auth_fn &&
6090 !context->internal->_auth_fn_with_context) ||
6091 context->debug < 0 ||
6092 context->debug > 100) {
6093
6094 errno = EINVAL;
6095 return NULL;
6096
6097 }
6098
6099 if (!smbc_initialized) {
6100 /*
6101 * Do some library-wide intializations the first time we get
6102 * called
6103 */
6104 BOOL conf_loaded = False;
6105
6106 /* Set this to what the user wants */
6107 DEBUGLEVEL = context->debug;
6108
6109 load_case_tables();
6110
6111 setup_logging("libsmbclient", True);
6112 if (context->internal->_debug_stderr) {
6113 dbf = x_stderr;
6114 x_setbuf(x_stderr, NULL);
6115 }
6116
6117 /* Here we would open the smb.conf file if needed ... */
6118
6119 in_client = True; /* FIXME, make a param */
6120
6121 home = getenv("HOME");
6122 if (home) {
6123 slprintf(conf, sizeof(conf), "%s/.smb/smb.conf", home);
6124 if (lp_load(conf, True, False, False, True)) {
6125 conf_loaded = True;
6126 } else {
6127 DEBUG(5, ("Could not load config file: %s\n",
6128 conf));
6129 }
6130 }
6131
6132 if (!conf_loaded) {
6133 /*
6134 * Well, if that failed, try the dyn_CONFIGFILE
6135 * Which points to the standard locn, and if that
6136 * fails, silently ignore it and use the internal
6137 * defaults ...
6138 */
6139
6140 if (!lp_load(dyn_CONFIGFILE, True, False, False, False)) {
6141 DEBUG(5, ("Could not load config file: %s\n",
6142 dyn_CONFIGFILE));
6143 } else if (home) {
6144 /*
6145 * We loaded the global config file. Now lets
6146 * load user-specific modifications to the
6147 * global config.
6148 */
6149 slprintf(conf, sizeof(conf),
6150 "%s/.smb/smb.conf.append", home);
6151 if (!lp_load(conf, True, False, False, False)) {
6152 DEBUG(10,
6153 ("Could not append config file: "
6154 "%s\n",
6155 conf));
6156 }
6157 }
6158 }
6159
6160 load_interfaces(); /* Load the list of interfaces ... */
6161
6162 reopen_logs(); /* Get logging working ... */
6163
6164 /*
6165 * Block SIGPIPE (from lib/util_sock.c: write())
6166 * It is not needed and should not stop execution
6167 */
6168 BlockSignals(True, SIGPIPE);
6169
6170 /* Done with one-time initialisation */
6171 smbc_initialized = 1;
6172
6173 }
6174
6175 if (!context->user) {
6176 /*
6177 * FIXME: Is this the best way to get the user info?
6178 */
6179 user = getenv("USER");
6180 /* walk around as "guest" if no username can be found */
6181 if (!user) context->user = SMB_STRDUP("guest");
6182 else context->user = SMB_STRDUP(user);
6183 }
6184
6185 if (!context->netbios_name) {
6186 /*
6187 * We try to get our netbios name from the config. If that
6188 * fails we fall back on constructing our netbios name from
6189 * our hostname etc
6190 */
6191 if (global_myname()) {
6192 context->netbios_name = SMB_STRDUP(global_myname());
6193 }
6194 else {
6195 /*
6196 * Hmmm, I want to get hostname as well, but I am too
6197 * lazy for the moment
6198 */
6199 pid = sys_getpid();
6200 context->netbios_name = SMB_MALLOC(17);
6201 if (!context->netbios_name) {
6202 errno = ENOMEM;
6203 return NULL;
6204 }
6205 slprintf(context->netbios_name, 16,
6206 "smbc%s%d", context->user, pid);
6207 }
6208 }
6209
6210 DEBUG(1, ("Using netbios name %s.\n", context->netbios_name));
6211
6212 if (!context->workgroup) {
6213 if (lp_workgroup()) {
6214 context->workgroup = SMB_STRDUP(lp_workgroup());
6215 }
6216 else {
6217 /* TODO: Think about a decent default workgroup */
6218 context->workgroup = SMB_STRDUP("samba");
6219 }
6220 }
6221
6222 DEBUG(1, ("Using workgroup %s.\n", context->workgroup));
6223
6224 /* shortest timeout is 1 second */
6225 if (context->timeout > 0 && context->timeout < 1000)
6226 context->timeout = 1000;
6227
6228 /*
6229 * FIXME: Should we check the function pointers here?
6230 */
6231
6232 context->internal->_initialized = True;
6233
6234 return context;
6235 }
6236
6237
6238 /* Return the verion of samba, and thus libsmbclient */
6239 const char *
6240 smbc_version(void)
6241 {
6242 return samba_version_string();
6243 }
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