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r8093: Next round. Now it compiles with --enable-socket-wrapper.
[Samba/nascimento.git] / source3 / libsmb / libsmbclient.c
blob9104a083f53ee81412037d838342d58bf5cb4640
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 {
35 int mode;
36 unsigned long long size;
37 time_t a_time;
38 time_t c_time;
39 time_t m_time;
40 unsigned long long inode;
41 } DOS_ATTR_DESC;
42
43
44 /*
45 * Internal flags for extended attributes
46 */
47
48 /* internal mode values */
49 #define SMBC_XATTR_MODE_ADD 1
50 #define SMBC_XATTR_MODE_REMOVE 2
51 #define SMBC_XATTR_MODE_REMOVE_ALL 3
52 #define SMBC_XATTR_MODE_SET 4
53 #define SMBC_XATTR_MODE_CHOWN 5
54 #define SMBC_XATTR_MODE_CHGRP 6
55
56 #define CREATE_ACCESS_READ READ_CONTROL_ACCESS
57
58 /*We should test for this in configure ... */
59 #ifndef ENOTSUP
60 #define ENOTSUP EOPNOTSUPP
61 #endif
62
63 /*
64 * Functions exported by libsmb_cache.c that we need here
65 */
66 int smbc_default_cache_functions(SMBCCTX *context);
67
68 /*
69 * check if an element is part of the list.
70 * FIXME: Does not belong here !
71 * Can anyone put this in a macro in dlinklist.h ?
72 * -- Tom
73 */
74 static int DLIST_CONTAINS(SMBCFILE * list, SMBCFILE *p) {
75 if (!p || !list) return False;
76 do {
77 if (p == list) return True;
78 list = list->next;
79 } while (list);
80 return False;
81 }
82
83 static int smbc_close_ctx(SMBCCTX *context, SMBCFILE *file);
84 static off_t smbc_lseek_ctx(SMBCCTX *context, SMBCFILE *file, off_t offset, int whence);
85
86 extern BOOL in_client;
87
88 /*
89 * Is the logging working / configfile read ?
90 */
91 static int smbc_initialized = 0;
92
93 static int
94 hex2int( unsigned int _char )
95 {
96 if ( _char >= 'A' && _char <='F')
97 return _char - 'A' + 10;
98 if ( _char >= 'a' && _char <='f')
99 return _char - 'a' + 10;
100 if ( _char >= '0' && _char <='9')
101 return _char - '0';
102 return -1;
103 }
104
105 /*
106 * smbc_urldecode()
107 *
108 * Convert strings of %xx to their single character equivalent. Each 'x' must
109 * be a valid hexadecimal digit, or that % sequence is left undecoded.
110 *
111 * dest may, but need not be, the same pointer as src.
112 *
113 * Returns the number of % sequences which could not be converted due to lack
114 * of two following hexadecimal digits.
115 */
116 int
117 smbc_urldecode(char *dest, char * src, size_t max_dest_len)
118 {
119 int old_length = strlen(src);
120 int i = 0;
121 int err_count = 0;
122 pstring temp;
123 char * p;
124
125 if ( old_length == 0 ) {
126 return 0;
127 }
128
129 p = temp;
130 while ( i < old_length ) {
131 unsigned char character = src[ i++ ];
132
133 if (character == '%') {
134 int a = i+1 < old_length ? hex2int( src[i] ) : -1;
135 int b = i+1 < old_length ? hex2int( src[i+1] ) : -1;
136
137 /* Replace valid sequence */
138 if (a != -1 && b != -1) {
139
140 /* Replace valid %xx sequence with %dd */
141 character = (a * 16) + b;
142
143 if (character == '\0') {
144 break; /* Stop at %00 */
145 }
146
147 i += 2;
148 } else {
149
150 err_count++;
151 }
152 }
153
154 *p++ = character;
155 }
156
157 *p = '\0';
158
159 strncpy(dest, temp, max_dest_len);
160
161 return err_count;
162 }
163
164 /*
165 * smbc_urlencode()
166 *
167 * Convert any characters not specifically allowed in a URL into their %xx
168 * equivalent.
169 *
170 * Returns the remaining buffer length.
171 */
172 int
173 smbc_urlencode(char * dest, char * src, int max_dest_len)
174 {
175 char hex[] = "0123456789ABCDEF";
176
177 for (; *src != '\0' && max_dest_len >= 3; src++) {
178
179 if ((*src < '0' &&
180 *src != '-' &&
181 *src != '.') ||
182 (*src > '9' &&
183 *src < 'A') ||
184 (*src > 'Z' &&
185 *src < 'a' &&
186 *src != '_') ||
187 (*src > 'z')) {
188 *dest++ = '%';
189 *dest++ = hex[(*src >> 4) & 0x0f];
190 *dest++ = hex[*src & 0x0f];
191 max_dest_len -= 3;
192 } else {
193 *dest++ = *src;
194 max_dest_len--;
195 }
196 }
197
198 *dest++ = '\0';
199 max_dest_len--;
200
201 return max_dest_len;
202 }
203
204 /*
205 * Function to parse a path and turn it into components
206 *
207 * The general format of an SMB URI is explain in Christopher Hertel's CIFS
208 * book, at http://ubiqx.org/cifs/Appendix-D.html. We accept a subset of the
209 * general format ("smb:" only; we do not look for "cifs:").
210 *
211 *
212 * We accept:
213 * smb://[[[domain;]user[:password@]]server[/share[/path[/file]]]][?options]
214 *
215 * Meaning of URLs:
216 *
217 * smb:// Show all workgroups.
218 *
219 * The method of locating the list of workgroups varies
220 * depending upon the setting of the context variable
221 * context->options.browse_max_lmb_count. This value
222 * determine the maximum number of local master browsers to
223 * query for the list of workgroups. In order to ensure that
224 * a complete list of workgroups is obtained, all master
225 * browsers must be queried, but if there are many
226 * workgroups, the time spent querying can begin to add up.
227 * For small networks (not many workgroups), it is suggested
228 * that this variable be set to 0, indicating query all local
229 * master browsers. When the network has many workgroups, a
230 * reasonable setting for this variable might be around 3.
231 *
232 * smb://name/ if name<1D> or name<1B> exists, list servers in
233 * workgroup, else, if name<20> exists, list all shares
234 * for server ...
235 *
236 * If "options" are provided, this function returns the entire option list as a
237 * string, for later parsing by the caller. Note that currently, no options
238 * are supported.
239 */
240
241 static const char *smbc_prefix = "smb:";
242
243 static int
244 smbc_parse_path(SMBCCTX *context,
245 const char *fname,
246 char *server, int server_len,
247 char *share, int share_len,
248 char *path, int path_len,
249 char *user, int user_len,
250 char *password, int password_len,
251 char *options, int options_len)
252 {
253 static pstring s;
254 pstring userinfo;
255 const char *p;
256 char *q, *r;
257 int len;
258
259 server[0] = share[0] = path[0] = user[0] = password[0] = (char)0;
260 if (options != NULL && options_len > 0) {
261 options[0] = (char)0;
262 }
263 pstrcpy(s, fname);
264
265 /* see if it has the right prefix */
266 len = strlen(smbc_prefix);
267 if (strncmp(s,smbc_prefix,len) || (s[len] != '/' && s[len] != 0)) {
268 return -1; /* What about no smb: ? */
269 }
270
271 p = s + len;
272
273 /* Watch the test below, we are testing to see if we should exit */
274
275 if (strncmp(p, "//", 2) && strncmp(p, "\\\\", 2)) {
276
277 DEBUG(1, ("Invalid path (does not begin with smb://"));
278 return -1;
279
280 }
281
282 p += 2; /* Skip the double slash */
283
284 /* See if any options were specified */
285 if ((q = strrchr(p, '?')) != NULL ) {
286 /* There are options. Null terminate here and point to them */
287 *q++ = '\0';
288
289 DEBUG(4, ("Found options '%s'", q));
290
291 /* Copy the options */
292 if (options != NULL && options_len > 0) {
293 safe_strcpy(options, q, options_len - 1);
294 }
295 }
296
297 if (*p == (char)0)
298 goto decoding;
299
300 if (*p == '/') {
301
302 strncpy(server, context->workgroup,
303 (strlen(context->workgroup) < 16)?strlen(context->workgroup):16);
304 return 0;
305
306 }
307
308 /*
309 * ok, its for us. Now parse out the server, share etc.
310 *
311 * However, we want to parse out [[domain;]user[:password]@] if it
312 * exists ...
313 */
314
315 /* check that '@' occurs before '/', if '/' exists at all */
316 q = strchr_m(p, '@');
317 r = strchr_m(p, '/');
318 if (q && (!r || q < r)) {
319 pstring username, passwd, domain;
320 const char *u = userinfo;
321
322 next_token(&p, userinfo, "@", sizeof(fstring));
323
324 username[0] = passwd[0] = domain[0] = 0;
325
326 if (strchr_m(u, ';')) {
327
328 next_token(&u, domain, ";", sizeof(fstring));
329
330 }
331
332 if (strchr_m(u, ':')) {
333
334 next_token(&u, username, ":", sizeof(fstring));
335
336 pstrcpy(passwd, u);
337
338 }
339 else {
340
341 pstrcpy(username, u);
342
343 }
344
345 if (username[0])
346 strncpy(user, username, user_len); /* FIXME, domain */
347
348 if (passwd[0])
349 strncpy(password, passwd, password_len);
350
351 }
352
353 if (!next_token(&p, server, "/", sizeof(fstring))) {
354
355 return -1;
356
357 }
358
359 if (*p == (char)0) goto decoding; /* That's it ... */
360
361 if (!next_token(&p, share, "/", sizeof(fstring))) {
362
363 return -1;
364
365 }
366
367 safe_strcpy(path, p, path_len - 1);
368
369 all_string_sub(path, "/", "\\", 0);
370
371 decoding:
372 (void) smbc_urldecode(path, path, path_len);
373 (void) smbc_urldecode(server, server, server_len);
374 (void) smbc_urldecode(share, share, share_len);
375 (void) smbc_urldecode(user, user, user_len);
376 (void) smbc_urldecode(password, password, password_len);
377
378 return 0;
379 }
380
381 /*
382 * Verify that the options specified in a URL are valid
383 */
384 static int smbc_check_options(char *server, char *share, char *path, char *options)
385 {
386 DEBUG(4, ("smbc_check_options(): server='%s' share='%s' path='%s' options='%s'\n", server, share, path, options));
387
388 /* No options at all is always ok */
389 if (! *options) return 0;
390
391 /* Currently, we don't support any options. */
392 return -1;
393 }
394
395 /*
396 * Convert an SMB error into a UNIX error ...
397 */
398 static int smbc_errno(SMBCCTX *context, struct cli_state *c)
399 {
400 int ret = cli_errno(c);
401
402 if (cli_is_dos_error(c)) {
403 uint8 eclass;
404 uint32 ecode;
405
406 cli_dos_error(c, &eclass, &ecode);
407
408 DEBUG(3,("smbc_error %d %d (0x%x) -> %d\n",
409 (int)eclass, (int)ecode, (int)ecode, ret));
410 } else {
411 NTSTATUS status;
412
413 status = cli_nt_error(c);
414
415 DEBUG(3,("smbc errno %s -> %d\n",
416 nt_errstr(status), ret));
417 }
418
419 return ret;
420 }
421
422 /*
423 * Check a server for being alive and well.
424 * returns 0 if the server is in shape. Returns 1 on error
425 *
426 * Also useable outside libsmbclient to enable external cache
427 * to do some checks too.
428 */
429 int smbc_check_server(SMBCCTX * context, SMBCSRV * server)
430 {
431 if ( send_keepalive(server->cli.fd) == False )
432 return 1;
433
434 /* connection is ok */
435 return 0;
436 }
437
438 /*
439 * Remove a server from the cached server list it's unused.
440 * On success, 0 is returned. 1 is returned if the server could not be removed.
441 *
442 * Also useable outside libsmbclient
443 */
444 int smbc_remove_unused_server(SMBCCTX * context, SMBCSRV * srv)
445 {
446 SMBCFILE * file;
447
448 /* are we being fooled ? */
449 if (!context || !context->internal ||
450 !context->internal->_initialized || !srv) return 1;
451
452
453 /* Check all open files/directories for a relation with this server */
454 for (file = context->internal->_files; file; file=file->next) {
455 if (file->srv == srv) {
456 /* Still used */
457 DEBUG(3, ("smbc_remove_usused_server: %p still used by %p.\n",
458 srv, file));
459 return 1;
460 }
461 }
462
463 DLIST_REMOVE(context->internal->_servers, srv);
464
465 cli_shutdown(&srv->cli);
466
467 DEBUG(3, ("smbc_remove_usused_server: %p removed.\n", srv));
468
469 context->callbacks.remove_cached_srv_fn(context, srv);
470
471 return 0;
472 }
473
474 SMBCSRV *find_server(SMBCCTX *context,
475 const char *server,
476 const char *share,
477 fstring workgroup,
478 fstring username,
479 fstring password)
480 {
481 SMBCSRV *srv;
482 int auth_called = 0;
483
484 check_server_cache:
485
486 srv = context->callbacks.get_cached_srv_fn(context, server, share,
487 workgroup, username);
488
489 if (!auth_called && !srv && (!username[0] || !password[0])) {
490 context->callbacks.auth_fn(server, share,
491 workgroup, sizeof(fstring),
492 username, sizeof(fstring),
493 password, sizeof(fstring));
494 /*
495 * However, smbc_auth_fn may have picked up info relating to
496 * an existing connection, so try for an existing connection
497 * again ...
498 */
499 auth_called = 1;
500 goto check_server_cache;
501
502 }
503
504 if (srv) {
505 if (context->callbacks.check_server_fn(context, srv)) {
506 /*
507 * This server is no good anymore
508 * Try to remove it and check for more possible
509 * servers in the cache
510 */
511 if (context->callbacks.remove_unused_server_fn(context,
512 srv)) {
513 /*
514 * We could not remove the server completely,
515 * remove it from the cache so we will not get
516 * it again. It will be removed when the last
517 * file/dir is closed.
518 */
519 context->callbacks.remove_cached_srv_fn(context,
520 srv);
521 }
522
523 /*
524 * Maybe there are more cached connections to this
525 * server
526 */
527 goto check_server_cache;
528 }
529
530 return srv;
531 }
532
533 return NULL;
534 }
535
536 /*
537 * Connect to a server, possibly on an existing connection
538 *
539 * Here, what we want to do is: If the server and username
540 * match an existing connection, reuse that, otherwise, establish a
541 * new connection.
542 *
543 * If we have to create a new connection, call the auth_fn to get the
544 * info we need, unless the username and password were passed in.
545 */
546
547 SMBCSRV *smbc_server(SMBCCTX *context,
548 const char *server, const char *share,
549 fstring workgroup, fstring username,
550 fstring password)
551 {
552 SMBCSRV *srv=NULL;
553 struct cli_state c;
554 struct nmb_name called, calling;
555 const char *server_n = server;
556 pstring ipenv;
557 struct in_addr ip;
558 int tried_reverse = 0;
559 int port_try_first;
560 int port_try_next;
561 const char *username_used;
562
563 zero_ip(&ip);
564 ZERO_STRUCT(c);
565
566 if (server[0] == 0) {
567 errno = EPERM;
568 return NULL;
569 }
570
571 srv = find_server(context, server, share,
572 workgroup, username, password);
573
574 /*
575 * If we found a connection and we're only allowed one share per
576 * server...
577 */
578 if (srv && *share != '\0' && context->options.one_share_per_server) {
579
580 /*
581 * ... then if there's no current connection to the share,
582 * connect to it. find_server(), or rather the function
583 * pointed to by context->callbacks.get_cached_srv_fn which
584 * was called by find_server(), will have issued a tree
585 * disconnect if the requested share is not the same as the
586 * one that was already connected.
587 */
588 if (srv->cli.cnum == (uint16) -1) {
589 /* Ensure we have accurate auth info */
590 context->callbacks.auth_fn(server, share,
591 workgroup, sizeof(fstring),
592 username, sizeof(fstring),
593 password, sizeof(fstring));
594
595 if (! cli_send_tconX(&srv->cli, share, "?????",
596 password, strlen(password)+1)) {
597
598 errno = smbc_errno(context, &srv->cli);
599 cli_shutdown(&srv->cli);
600 context->callbacks.remove_cached_srv_fn(context, srv);
601 srv = NULL;
602 }
603
604 /* Regenerate the dev value since it's based on both server and share */
605 if (srv) {
606 srv->dev = (dev_t)(str_checksum(server) ^ str_checksum(share));
607 }
608 }
609 }
610
611 /* If we have a connection... */
612 if (srv) {
613
614 /* ... then we're done here. Give 'em what they came for. */
615 return srv;
616 }
617
618 make_nmb_name(&calling, context->netbios_name, 0x0);
619 make_nmb_name(&called , server, 0x20);
620
621 DEBUG(4,("smbc_server: server_n=[%s] server=[%s]\n", server_n, server));
622
623 DEBUG(4,(" -> server_n=[%s] server=[%s]\n", server_n, server));
624
625 again:
626 slprintf(ipenv,sizeof(ipenv)-1,"HOST_%s", server_n);
627
628 zero_ip(&ip);
629
630 /* have to open a new connection */
631 if (!cli_initialise(&c)) {
632 errno = ENOMEM;
633 return NULL;
634 }
635
636 if (context->flags & SMB_CTX_FLAG_USE_KERBEROS) {
637 c.use_kerberos = True;
638 }
639 if (context->flags & SMB_CTX_FLAG_FALLBACK_AFTER_KERBEROS) {
640 c.fallback_after_kerberos = True;
641 }
642
643 c.timeout = context->timeout;
644
645 /*
646 * Force use of port 139 for first try if share is $IPC, empty, or
647 * null, so browse lists can work
648 */
649 if (share == NULL || *share == '\0' || strcmp(share, "IPC$") == 0) {
650 port_try_first = 139;
651 port_try_next = 445;
652 } else {
653 port_try_first = 445;
654 port_try_next = 139;
655 }
656
657 c.port = port_try_first;
658
659 if (!cli_connect(&c, server_n, &ip)) {
660
661 /* First connection attempt failed. Try alternate port. */
662 c.port = port_try_next;
663
664 if (!cli_connect(&c, server_n, &ip)) {
665 cli_shutdown(&c);
666 errno = ETIMEDOUT;
667 return NULL;
668 }
669 }
670
671 if (!cli_session_request(&c, &calling, &called)) {
672 cli_shutdown(&c);
673 if (strcmp(called.name, "*SMBSERVER")) {
674 make_nmb_name(&called , "*SMBSERVER", 0x20);
675 goto again;
676 }
677 else { /* Try one more time, but ensure we don't loop */
678
679 /* Only try this if server is an IP address ... */
680
681 if (is_ipaddress(server) && !tried_reverse) {
682 fstring remote_name;
683 struct in_addr rem_ip;
684
685 if ((rem_ip.s_addr=inet_addr(server)) == INADDR_NONE) {
686 DEBUG(4, ("Could not convert IP address %s to struct in_addr\n", server));
687 errno = ETIMEDOUT;
688 return NULL;
689 }
690
691 tried_reverse++; /* Yuck */
692
693 if (name_status_find("*", 0, 0, rem_ip, remote_name)) {
694 make_nmb_name(&called, remote_name, 0x20);
695 goto again;
696 }
697
698
699 }
700 }
701 errno = ETIMEDOUT;
702 return NULL;
703 }
704
705 DEBUG(4,(" session request ok\n"));
706
707 if (!cli_negprot(&c)) {
708 cli_shutdown(&c);
709 errno = ETIMEDOUT;
710 return NULL;
711 }
712
713 username_used = username;
714
715 if (!cli_session_setup(&c, username_used,
716 password, strlen(password),
717 password, strlen(password),
718 workgroup)) {
719
720 /* Failed. Try an anonymous login, if allowed by flags. */
721 username_used = "";
722
723 if ((context->flags & SMBCCTX_FLAG_NO_AUTO_ANONYMOUS_LOGON) ||
724 !cli_session_setup(&c, username_used,
725 password, 1,
726 password, 0,
727 workgroup)) {
728
729 cli_shutdown(&c);
730 errno = EPERM;
731 return NULL;
732 }
733 }
734
735 DEBUG(4,(" session setup ok\n"));
736
737 if (!cli_send_tconX(&c, share, "?????",
738 password, strlen(password)+1)) {
739 errno = smbc_errno(context, &c);
740 cli_shutdown(&c);
741 return NULL;
742 }
743
744 DEBUG(4,(" tconx ok\n"));
745
746 /*
747 * Ok, we have got a nice connection
748 * Let's allocate a server structure.
749 */
750
751 srv = SMB_MALLOC_P(SMBCSRV);
752 if (!srv) {
753 errno = ENOMEM;
754 goto failed;
755 }
756
757 ZERO_STRUCTP(srv);
758 srv->cli = c;
759 srv->dev = (dev_t)(str_checksum(server) ^ str_checksum(share));
760 srv->no_pathinfo = False;
761 srv->no_pathinfo2 = False;
762 srv->no_nt_session = False;
763
764 /* now add it to the cache (internal or external) */
765 /* Let the cache function set errno if it wants to */
766 errno = 0;
767 if (context->callbacks.add_cached_srv_fn(context, srv, server, share, workgroup, username_used)) {
768 int saved_errno = errno;
769 DEBUG(3, (" Failed to add server to cache\n"));
770 errno = saved_errno;
771 if (errno == 0) {
772 errno = ENOMEM;
773 }
774 goto failed;
775 }
776
777 DEBUG(2, ("Server connect ok: //%s/%s: %p\n",
778 server, share, srv));
779
780 DLIST_ADD(context->internal->_servers, srv);
781 return srv;
782
783 failed:
784 cli_shutdown(&c);
785 if (!srv) return NULL;
786
787 SAFE_FREE(srv);
788 return NULL;
789 }
790
791 /*
792 * Connect to a server for getting/setting attributes, possibly on an existing
793 * connection. This works similarly to smbc_server().
794 */
795 SMBCSRV *smbc_attr_server(SMBCCTX *context,
796 const char *server, const char *share,
797 fstring workgroup,
798 fstring username, fstring password,
799 POLICY_HND *pol)
800 {
801 struct in_addr ip;
802 struct cli_state *ipc_cli;
803 NTSTATUS nt_status;
804 SMBCSRV *ipc_srv=NULL;
805
806 /*
807 * See if we've already created this special connection. Reference our
808 * "special" share name '*IPC$', which is an impossible real share name
809 * due to the leading asterisk.
810 */
811 ipc_srv = find_server(context, server, "*IPC$",
812 workgroup, username, password);
813 if (!ipc_srv) {
814
815 /* We didn't find a cached connection. Get the password */
816 if (*password == '\0') {
817 /* ... then retrieve it now. */
818 context->callbacks.auth_fn(server, share,
819 workgroup, sizeof(fstring),
820 username, sizeof(fstring),
821 password, sizeof(fstring));
822 }
823
824 zero_ip(&ip);
825 nt_status = cli_full_connection(&ipc_cli,
826 global_myname(), server,
827 &ip, 0, "IPC$", "?????",
828 username, workgroup,
829 password, 0,
830 Undefined, NULL);
831 if (! NT_STATUS_IS_OK(nt_status)) {
832 DEBUG(1,("cli_full_connection failed! (%s)\n",
833 nt_errstr(nt_status)));
834 errno = ENOTSUP;
835 return NULL;
836 }
837
838 if (!cli_nt_session_open(ipc_cli, PI_LSARPC)) {
839 DEBUG(1, ("cli_nt_session_open fail!\n"));
840 errno = ENOTSUP;
841 cli_shutdown(ipc_cli);
842 return NULL;
843 }
844
845 /* Some systems don't support SEC_RIGHTS_MAXIMUM_ALLOWED,
846 but NT sends 0x2000000 so we might as well do it too. */
847
848 nt_status = cli_lsa_open_policy(ipc_cli,
849 ipc_cli->mem_ctx,
850 True,
851 GENERIC_EXECUTE_ACCESS,
852 pol);
853
854 if (!NT_STATUS_IS_OK(nt_status)) {
855 errno = smbc_errno(context, ipc_cli);
856 cli_shutdown(ipc_cli);
857 return NULL;
858 }
859
860 ipc_srv = SMB_MALLOC_P(SMBCSRV);
861 if (!ipc_srv) {
862 errno = ENOMEM;
863 cli_shutdown(ipc_cli);
864 return NULL;
865 }
866
867 ZERO_STRUCTP(ipc_srv);
868 ipc_srv->cli = *ipc_cli;
869
870 free(ipc_cli);
871
872 /* now add it to the cache (internal or external) */
873
874 errno = 0; /* let cache function set errno if it likes */
875 if (context->callbacks.add_cached_srv_fn(context, ipc_srv,
876 server,
877 "*IPC$",
878 workgroup,
879 username)) {
880 DEBUG(3, (" Failed to add server to cache\n"));
881 if (errno == 0) {
882 errno = ENOMEM;
883 }
884 cli_shutdown(&ipc_srv->cli);
885 free(ipc_srv);
886 return NULL;
887 }
888
889 DLIST_ADD(context->internal->_servers, ipc_srv);
890 }
891
892 return ipc_srv;
893 }
894
895 /*
896 * Routine to open() a file ...
897 */
898
899 static SMBCFILE *smbc_open_ctx(SMBCCTX *context, const char *fname, int flags, mode_t mode)
900 {
901 fstring server, share, user, password, workgroup;
902 pstring path;
903 SMBCSRV *srv = NULL;
904 SMBCFILE *file = NULL;
905 int fd;
906
907 if (!context || !context->internal ||
908 !context->internal->_initialized) {
909
910 errno = EINVAL; /* Best I can think of ... */
911 return NULL;
912
913 }
914
915 if (!fname) {
916
917 errno = EINVAL;
918 return NULL;
919
920 }
921
922 if (smbc_parse_path(context, fname,
923 server, sizeof(server),
924 share, sizeof(share),
925 path, sizeof(path),
926 user, sizeof(user),
927 password, sizeof(password),
928 NULL, 0)) {
929 errno = EINVAL;
930 return NULL;
931 }
932
933 if (user[0] == (char)0) fstrcpy(user, context->user);
934
935 fstrcpy(workgroup, context->workgroup);
936
937 srv = smbc_server(context, server, share, workgroup, user, password);
938
939 if (!srv) {
940
941 if (errno == EPERM) errno = EACCES;
942 return NULL; /* smbc_server sets errno */
943
944 }
945
946 /* Hmmm, the test for a directory is suspect here ... FIXME */
947
948 if (strlen(path) > 0 && path[strlen(path) - 1] == '\\') {
949
950 fd = -1;
951
952 }
953 else {
954
955 file = SMB_MALLOC_P(SMBCFILE);
956
957 if (!file) {
958
959 errno = ENOMEM;
960 return NULL;
961
962 }
963
964 ZERO_STRUCTP(file);
965
966 if ((fd = cli_open(&srv->cli, path, flags, DENY_NONE)) < 0) {
967
968 /* Handle the error ... */
969
970 SAFE_FREE(file);
971 errno = smbc_errno(context, &srv->cli);
972 return NULL;
973
974 }
975
976 /* Fill in file struct */
977
978 file->cli_fd = fd;
979 file->fname = SMB_STRDUP(fname);
980 file->srv = srv;
981 file->offset = 0;
982 file->file = True;
983
984 DLIST_ADD(context->internal->_files, file);
985
986 /*
987 * If the file was opened in O_APPEND mode, all write
988 * operations should be appended to the file. To do that,
989 * though, using this protocol, would require a getattrE()
990 * call for each and every write, to determine where the end
991 * of the file is. (There does not appear to be an append flag
992 * in the protocol.) Rather than add all of that overhead of
993 * retrieving the current end-of-file offset prior to each
994 * write operation, we'll assume that most append operations
995 * will continuously write, so we'll just set the offset to
996 * the end of the file now and hope that's adequate.
997 *
998 * Note to self: If this proves inadequate, and O_APPEND
999 * should, in some cases, be forced for each write, add a
1000 * field in the context options structure, for
1001 * "strict_append_mode" which would select between the current
1002 * behavior (if FALSE) or issuing a getattrE() prior to each
1003 * write and forcing the write to the end of the file (if
1004 * TRUE). Adding that capability will likely require adding
1005 * an "append" flag into the _SMBCFILE structure to track
1006 * whether a file was opened in O_APPEND mode. -- djl
1007 */
1008 if (flags & O_APPEND) {
1009 if (smbc_lseek_ctx(context, file, 0, SEEK_END) < 0) {
1010 (void) smbc_close_ctx(context, file);
1011 errno = ENXIO;
1012 return NULL;
1013 }
1014 }
1015
1016 return file;
1017
1018 }
1019
1020 /* Check if opendir needed ... */
1021
1022 if (fd == -1) {
1023 int eno = 0;
1024
1025 eno = smbc_errno(context, &srv->cli);
1026 file = context->opendir(context, fname);
1027 if (!file) errno = eno;
1028 return file;
1029
1030 }
1031
1032 errno = EINVAL; /* FIXME, correct errno ? */
1033 return NULL;
1034
1035 }
1036
1037 /*
1038 * Routine to create a file
1039 */
1040
1041 static int creat_bits = O_WRONLY | O_CREAT | O_TRUNC; /* FIXME: Do we need this */
1042
1043 static SMBCFILE *smbc_creat_ctx(SMBCCTX *context, const char *path, mode_t mode)
1044 {
1045
1046 if (!context || !context->internal ||
1047 !context->internal->_initialized) {
1048
1049 errno = EINVAL;
1050 return NULL;
1051
1052 }
1053
1054 return smbc_open_ctx(context, path, creat_bits, mode);
1055 }
1056
1057 /*
1058 * Routine to read() a file ...
1059 */
1060
1061 static ssize_t smbc_read_ctx(SMBCCTX *context, SMBCFILE *file, void *buf, size_t count)
1062 {
1063 int ret;
1064
1065 /*
1066 * offset:
1067 *
1068 * Compiler bug (possibly) -- gcc (GCC) 3.3.5 (Debian 1:3.3.5-2) --
1069 * appears to pass file->offset (which is type off_t) differently than
1070 * a local variable of type off_t. Using local variable "offset" in
1071 * the call to cli_read() instead of file->offset fixes a problem
1072 * retrieving data at an offset greater than 4GB.
1073 */
1074 off_t offset = file->offset;
1075
1076 if (!context || !context->internal ||
1077 !context->internal->_initialized) {
1078
1079 errno = EINVAL;
1080 return -1;
1081
1082 }
1083
1084 DEBUG(4, ("smbc_read(%p, %d)\n", file, (int)count));
1085
1086 if (!file || !DLIST_CONTAINS(context->internal->_files, file)) {
1087
1088 errno = EBADF;
1089 return -1;
1090
1091 }
1092
1093 /* Check that the buffer exists ... */
1094
1095 if (buf == NULL) {
1096
1097 errno = EINVAL;
1098 return -1;
1099
1100 }
1101
1102 ret = cli_read(&file->srv->cli, file->cli_fd, buf, offset, count);
1103
1104 if (ret < 0) {
1105
1106 errno = smbc_errno(context, &file->srv->cli);
1107 return -1;
1108
1109 }
1110
1111 file->offset += ret;
1112
1113 DEBUG(4, (" --> %d\n", ret));
1114
1115 return ret; /* Success, ret bytes of data ... */
1116
1117 }
1118
1119 /*
1120 * Routine to write() a file ...
1121 */
1122
1123 static ssize_t smbc_write_ctx(SMBCCTX *context, SMBCFILE *file, void *buf, size_t count)
1124 {
1125 int ret;
1126 off_t offset = file->offset; /* See "offset" comment in smbc_read_ctx() */
1127
1128 if (!context || !context->internal ||
1129 !context->internal->_initialized) {
1130
1131 errno = EINVAL;
1132 return -1;
1133
1134 }
1135
1136 if (!file || !DLIST_CONTAINS(context->internal->_files, file)) {
1137
1138 errno = EBADF;
1139 return -1;
1140
1141 }
1142
1143 /* Check that the buffer exists ... */
1144
1145 if (buf == NULL) {
1146
1147 errno = EINVAL;
1148 return -1;
1149
1150 }
1151
1152 ret = cli_write(&file->srv->cli, file->cli_fd, 0, buf, offset, count);
1153
1154 if (ret <= 0) {
1155
1156 errno = smbc_errno(context, &file->srv->cli);
1157 return -1;
1158
1159 }
1160
1161 file->offset += ret;
1162
1163 return ret; /* Success, 0 bytes of data ... */
1164 }
1165
1166 /*
1167 * Routine to close() a file ...
1168 */
1169
1170 static int smbc_close_ctx(SMBCCTX *context, SMBCFILE *file)
1171 {
1172 SMBCSRV *srv;
1173
1174 if (!context || !context->internal ||
1175 !context->internal->_initialized) {
1176
1177 errno = EINVAL;
1178 return -1;
1179
1180 }
1181
1182 if (!file || !DLIST_CONTAINS(context->internal->_files, file)) {
1183
1184 errno = EBADF;
1185 return -1;
1186
1187 }
1188
1189 /* IS a dir ... */
1190 if (!file->file) {
1191
1192 return context->closedir(context, file);
1193
1194 }
1195
1196 if (!cli_close(&file->srv->cli, file->cli_fd)) {
1197
1198 DEBUG(3, ("cli_close failed on %s. purging server.\n",
1199 file->fname));
1200 /* Deallocate slot and remove the server
1201 * from the server cache if unused */
1202 errno = smbc_errno(context, &file->srv->cli);
1203 srv = file->srv;
1204 DLIST_REMOVE(context->internal->_files, file);
1205 SAFE_FREE(file->fname);
1206 SAFE_FREE(file);
1207 context->callbacks.remove_unused_server_fn(context, srv);
1208
1209 return -1;
1210
1211 }
1212
1213 DLIST_REMOVE(context->internal->_files, file);
1214 SAFE_FREE(file->fname);
1215 SAFE_FREE(file);
1216
1217 return 0;
1218 }
1219
1220 /*
1221 * Get info from an SMB server on a file. Use a qpathinfo call first
1222 * and if that fails, use getatr, as Win95 sometimes refuses qpathinfo
1223 */
1224 static BOOL smbc_getatr(SMBCCTX * context, SMBCSRV *srv, char *path,
1225 uint16 *mode, SMB_OFF_T *size,
1226 time_t *c_time, time_t *a_time, time_t *m_time,
1227 SMB_INO_T *ino)
1228 {
1229
1230 if (!context || !context->internal ||
1231 !context->internal->_initialized) {
1232
1233 errno = EINVAL;
1234 return -1;
1235
1236 }
1237
1238 DEBUG(4,("smbc_getatr: sending qpathinfo\n"));
1239
1240 if (!srv->no_pathinfo2 &&
1241 cli_qpathinfo2(&srv->cli, path, c_time, a_time, m_time, NULL,
1242 size, mode, ino)) return True;
1243
1244 /* if this is NT then don't bother with the getatr */
1245 if (srv->cli.capabilities & CAP_NT_SMBS) {
1246 errno = EPERM;
1247 return False;
1248 }
1249
1250 if (cli_getatr(&srv->cli, path, mode, size, m_time)) {
1251 if (m_time != NULL) {
1252 if (a_time != NULL) *a_time = *m_time;
1253 if (c_time != NULL) *c_time = *m_time;
1254 }
1255 srv->no_pathinfo2 = True;
1256 return True;
1257 }
1258
1259 errno = EPERM;
1260 return False;
1261
1262 }
1263
1264 /*
1265 * Set file info on an SMB server. Use setpathinfo call first. If that
1266 * fails, use setattrE..
1267 *
1268 * Access and modification time parameters are always used and must be
1269 * provided. Create time, if zero, will be determined from the actual create
1270 * time of the file. If non-zero, the create time will be set as well.
1271 *
1272 * "mode" (attributes) parameter may be set to -1 if it is not to be set.
1273 */
1274 static BOOL smbc_setatr(SMBCCTX * context, SMBCSRV *srv, char *path,
1275 time_t c_time, time_t a_time, time_t m_time,
1276 uint16 mode)
1277 {
1278 int fd;
1279 int ret;
1280
1281 /*
1282 * Get the create time of the file (if not provided); we'll need it in
1283 * the set call.
1284 */
1285 if (! srv->no_pathinfo && c_time == 0) {
1286 if (! cli_qpathinfo(&srv->cli, path,
1287 &c_time, NULL, NULL, NULL, NULL)) {
1288 /* qpathinfo not available */
1289 srv->no_pathinfo = True;
1290 } else {
1291 /*
1292 * We got a creation time. Some OS versions don't
1293 * return a valid create time, though. If we got an
1294 * invalid time, start with the current time instead.
1295 */
1296 if (c_time == 0 || c_time == (time_t) -1) {
1297 c_time = time(NULL);
1298 }
1299
1300 /*
1301 * We got a creation time. For sanity sake, since
1302 * there is no POSIX function to set the create time
1303 * of a file, if the existing create time is greater
1304 * than either of access time or modification time,
1305 * set create time to the smallest of those. This
1306 * ensure that the create time of a file is never
1307 * greater than its last access or modification time.
1308 */
1309 if (c_time > a_time) c_time = a_time;
1310 if (c_time > m_time) c_time = m_time;
1311 }
1312 }
1313
1314 /*
1315 * First, try setpathinfo (if qpathinfo succeeded), for it is the
1316 * modern function for "new code" to be using, and it works given a
1317 * filename rather than requiring that the file be opened to have its
1318 * attributes manipulated.
1319 */
1320 if (srv->no_pathinfo ||
1321 ! cli_setpathinfo(&srv->cli, path, c_time, a_time, m_time, mode)) {
1322
1323 /*
1324 * setpathinfo is not supported; go to plan B.
1325 *
1326 * cli_setatr() does not work on win98, and it also doesn't
1327 * support setting the access time (only the modification
1328 * time), so in all cases, we open the specified file and use
1329 * cli_setattrE() which should work on all OS versions, and
1330 * supports both times.
1331 */
1332
1333 /* Don't try {q,set}pathinfo() again, with this server */
1334 srv->no_pathinfo = True;
1335
1336 /* Open the file */
1337 if ((fd = cli_open(&srv->cli, path, O_RDWR, DENY_NONE)) < 0) {
1338
1339 errno = smbc_errno(context, &srv->cli);
1340 return -1;
1341 }
1342
1343 /*
1344 * Get the creat time of the file (if it wasn't provided).
1345 * We'll need it in the set call
1346 */
1347 if (c_time == 0) {
1348 ret = cli_getattrE(&srv->cli, fd,
1349 NULL, NULL,
1350 &c_time, NULL, NULL);
1351 } else {
1352 ret = True;
1353 }
1354
1355 /* If we got create time, set times */
1356 if (ret) {
1357 /* Some OS versions don't support create time */
1358 if (c_time == 0 || c_time == -1) {
1359 c_time = time(NULL);
1360 }
1361
1362 /*
1363 * For sanity sake, since there is no POSIX function
1364 * to set the create time of a file, if the existing
1365 * create time is greater than either of access time
1366 * or modification time, set create time to the
1367 * smallest of those. This ensure that the create
1368 * time of a file is never greater than its last
1369 * access or modification time.
1370 */
1371 if (c_time > a_time) c_time = a_time;
1372 if (c_time > m_time) c_time = m_time;
1373
1374 /* Set the new attributes */
1375 ret = cli_setattrE(&srv->cli, fd,
1376 c_time, a_time, m_time);
1377 cli_close(&srv->cli, fd);
1378 }
1379
1380 /*
1381 * Unfortunately, setattrE() doesn't have a provision for
1382 * setting the access mode (attributes). We'll have to try
1383 * cli_setatr() for that, and with only this parameter, it
1384 * seems to work on win98.
1385 */
1386 if (ret && mode != (uint16) -1) {
1387 ret = cli_setatr(&srv->cli, path, mode, 0);
1388 }
1389
1390 if (! ret) {
1391 errno = smbc_errno(context, &srv->cli);
1392 return False;
1393 }
1394 }
1395
1396 return True;
1397 }
1398
1399 /*
1400 * Routine to unlink() a file
1401 */
1402
1403 static int smbc_unlink_ctx(SMBCCTX *context, const char *fname)
1404 {
1405 fstring server, share, user, password, workgroup;
1406 pstring path;
1407 SMBCSRV *srv = NULL;
1408
1409 if (!context || !context->internal ||
1410 !context->internal->_initialized) {
1411
1412 errno = EINVAL; /* Best I can think of ... */
1413 return -1;
1414
1415 }
1416
1417 if (!fname) {
1418
1419 errno = EINVAL;
1420 return -1;
1421
1422 }
1423
1424 if (smbc_parse_path(context, fname,
1425 server, sizeof(server),
1426 share, sizeof(share),
1427 path, sizeof(path),
1428 user, sizeof(user),
1429 password, sizeof(password),
1430 NULL, 0)) {
1431 errno = EINVAL;
1432 return -1;
1433 }
1434
1435 if (user[0] == (char)0) fstrcpy(user, context->user);
1436
1437 fstrcpy(workgroup, context->workgroup);
1438
1439 srv = smbc_server(context, server, share, workgroup, user, password);
1440
1441 if (!srv) {
1442
1443 return -1; /* smbc_server sets errno */
1444
1445 }
1446
1447 if (!cli_unlink(&srv->cli, path)) {
1448
1449 errno = smbc_errno(context, &srv->cli);
1450
1451 if (errno == EACCES) { /* Check if the file is a directory */
1452
1453 int saverr = errno;
1454 SMB_OFF_T size = 0;
1455 uint16 mode = 0;
1456 time_t m_time = 0, a_time = 0, c_time = 0;
1457 SMB_INO_T ino = 0;
1458
1459 if (!smbc_getatr(context, srv, path, &mode, &size,
1460 &c_time, &a_time, &m_time, &ino)) {
1461
1462 /* Hmmm, bad error ... What? */
1463
1464 errno = smbc_errno(context, &srv->cli);
1465 return -1;
1466
1467 }
1468 else {
1469
1470 if (IS_DOS_DIR(mode))
1471 errno = EISDIR;
1472 else
1473 errno = saverr; /* Restore this */
1474
1475 }
1476 }
1477
1478 return -1;
1479
1480 }
1481
1482 return 0; /* Success ... */
1483
1484 }
1485
1486 /*
1487 * Routine to rename() a file
1488 */
1489
1490 static int smbc_rename_ctx(SMBCCTX *ocontext, const char *oname,
1491 SMBCCTX *ncontext, const char *nname)
1492 {
1493 fstring server1, share1, server2, share2, user1, user2, password1, password2, workgroup;
1494 pstring path1, path2;
1495 SMBCSRV *srv = NULL;
1496
1497 if (!ocontext || !ncontext ||
1498 !ocontext->internal || !ncontext->internal ||
1499 !ocontext->internal->_initialized ||
1500 !ncontext->internal->_initialized) {
1501
1502 errno = EINVAL; /* Best I can think of ... */
1503 return -1;
1504
1505 }
1506
1507 if (!oname || !nname) {
1508
1509 errno = EINVAL;
1510 return -1;
1511
1512 }
1513
1514 DEBUG(4, ("smbc_rename(%s,%s)\n", oname, nname));
1515
1516 smbc_parse_path(ocontext, oname,
1517 server1, sizeof(server1),
1518 share1, sizeof(share1),
1519 path1, sizeof(path1),
1520 user1, sizeof(user1),
1521 password1, sizeof(password1),
1522 NULL, 0);
1523
1524 if (user1[0] == (char)0) fstrcpy(user1, ocontext->user);
1525
1526 smbc_parse_path(ncontext, nname,
1527 server2, sizeof(server2),
1528 share2, sizeof(share2),
1529 path2, sizeof(path2),
1530 user2, sizeof(user2),
1531 password2, sizeof(password2),
1532 NULL, 0);
1533
1534 if (user2[0] == (char)0) fstrcpy(user2, ncontext->user);
1535
1536 if (strcmp(server1, server2) || strcmp(share1, share2) ||
1537 strcmp(user1, user2)) {
1538
1539 /* Can't rename across file systems, or users?? */
1540
1541 errno = EXDEV;
1542 return -1;
1543
1544 }
1545
1546 fstrcpy(workgroup, ocontext->workgroup);
1547 /* HELP !!! Which workgroup should I use ? Or are they always the same -- Tom */
1548 srv = smbc_server(ocontext, server1, share1, workgroup, user1, password1);
1549 if (!srv) {
1550
1551 return -1;
1552
1553 }
1554
1555 if (!cli_rename(&srv->cli, path1, path2)) {
1556 int eno = smbc_errno(ocontext, &srv->cli);
1557
1558 if (eno != EEXIST ||
1559 !cli_unlink(&srv->cli, path2) ||
1560 !cli_rename(&srv->cli, path1, path2)) {
1561
1562 errno = eno;
1563 return -1;
1564
1565 }
1566 }
1567
1568 return 0; /* Success */
1569
1570 }
1571
1572 /*
1573 * A routine to lseek() a file
1574 */
1575
1576 static off_t smbc_lseek_ctx(SMBCCTX *context, SMBCFILE *file, off_t offset, int whence)
1577 {
1578 SMB_OFF_T size;
1579
1580 if (!context || !context->internal ||
1581 !context->internal->_initialized) {
1582
1583 errno = EINVAL;
1584 return -1;
1585
1586 }
1587
1588 if (!file || !DLIST_CONTAINS(context->internal->_files, file)) {
1589
1590 errno = EBADF;
1591 return -1;
1592
1593 }
1594
1595 if (!file->file) {
1596
1597 errno = EINVAL;
1598 return -1; /* Can't lseek a dir ... */
1599
1600 }
1601
1602 switch (whence) {
1603 case SEEK_SET:
1604 file->offset = offset;
1605 break;
1606
1607 case SEEK_CUR:
1608 file->offset += offset;
1609 break;
1610
1611 case SEEK_END:
1612 if (!cli_qfileinfo(&file->srv->cli, file->cli_fd, NULL, &size, NULL, NULL,
1613 NULL, NULL, NULL))
1614 {
1615 SMB_BIG_UINT b_size = size;
1616 if (!cli_getattrE(&file->srv->cli, file->cli_fd, NULL, &b_size, NULL, NULL,
1617 NULL))
1618 {
1619 errno = EINVAL;
1620 return -1;
1621 } else
1622 size = b_size;
1623 }
1624 file->offset = size + offset;
1625 break;
1626
1627 default:
1628 errno = EINVAL;
1629 break;
1630
1631 }
1632
1633 return file->offset;
1634
1635 }
1636
1637 /*
1638 * Generate an inode number from file name for those things that need it
1639 */
1640
1641 static
1642 ino_t smbc_inode(SMBCCTX *context, const char *name)
1643 {
1644
1645 if (!context || !context->internal ||
1646 !context->internal->_initialized) {
1647
1648 errno = EINVAL;
1649 return -1;
1650
1651 }
1652
1653 if (!*name) return 2; /* FIXME, why 2 ??? */
1654 return (ino_t)str_checksum(name);
1655
1656 }
1657
1658 /*
1659 * Routine to put basic stat info into a stat structure ... Used by stat and
1660 * fstat below.
1661 */
1662
1663 static
1664 int smbc_setup_stat(SMBCCTX *context, struct stat *st, char *fname,
1665 SMB_OFF_T size, int mode)
1666 {
1667
1668 st->st_mode = 0;
1669
1670 if (IS_DOS_DIR(mode)) {
1671 st->st_mode = SMBC_DIR_MODE;
1672 } else {
1673 st->st_mode = SMBC_FILE_MODE;
1674 }
1675
1676 if (IS_DOS_ARCHIVE(mode)) st->st_mode |= S_IXUSR;
1677 if (IS_DOS_SYSTEM(mode)) st->st_mode |= S_IXGRP;
1678 if (IS_DOS_HIDDEN(mode)) st->st_mode |= S_IXOTH;
1679 if (!IS_DOS_READONLY(mode)) st->st_mode |= S_IWUSR;
1680
1681 st->st_size = size;
1682 #ifdef HAVE_STAT_ST_BLKSIZE
1683 st->st_blksize = 512;
1684 #endif
1685 #ifdef HAVE_STAT_ST_BLOCKS
1686 st->st_blocks = (size+511)/512;
1687 #endif
1688 st->st_uid = getuid();
1689 st->st_gid = getgid();
1690
1691 if (IS_DOS_DIR(mode)) {
1692 st->st_nlink = 2;
1693 } else {
1694 st->st_nlink = 1;
1695 }
1696
1697 if (st->st_ino == 0) {
1698 st->st_ino = smbc_inode(context, fname);
1699 }
1700
1701 return True; /* FIXME: Is this needed ? */
1702
1703 }
1704
1705 /*
1706 * Routine to stat a file given a name
1707 */
1708
1709 static int smbc_stat_ctx(SMBCCTX *context, const char *fname, struct stat *st)
1710 {
1711 SMBCSRV *srv;
1712 fstring server, share, user, password, workgroup;
1713 pstring path;
1714 time_t m_time = 0, a_time = 0, c_time = 0;
1715 SMB_OFF_T size = 0;
1716 uint16 mode = 0;
1717 SMB_INO_T ino = 0;
1718
1719 if (!context || !context->internal ||
1720 !context->internal->_initialized) {
1721
1722 errno = EINVAL; /* Best I can think of ... */
1723 return -1;
1724
1725 }
1726
1727 if (!fname) {
1728
1729 errno = EINVAL;
1730 return -1;
1731
1732 }
1733
1734 DEBUG(4, ("smbc_stat(%s)\n", fname));
1735
1736 if (smbc_parse_path(context, fname,
1737 server, sizeof(server),
1738 share, sizeof(share),
1739 path, sizeof(path),
1740 user, sizeof(user),
1741 password, sizeof(password),
1742 NULL, 0)) {
1743 errno = EINVAL;
1744 return -1;
1745 }
1746
1747 if (user[0] == (char)0) fstrcpy(user, context->user);
1748
1749 fstrcpy(workgroup, context->workgroup);
1750
1751 srv = smbc_server(context, server, share, workgroup, user, password);
1752
1753 if (!srv) {
1754 return -1; /* errno set by smbc_server */
1755 }
1756
1757 if (!smbc_getatr(context, srv, path, &mode, &size,
1758 &c_time, &a_time, &m_time, &ino)) {
1759
1760 errno = smbc_errno(context, &srv->cli);
1761 return -1;
1762
1763 }
1764
1765 st->st_ino = ino;
1766
1767 smbc_setup_stat(context, st, path, size, mode);
1768
1769 st->st_atime = a_time;
1770 st->st_ctime = c_time;
1771 st->st_mtime = m_time;
1772 st->st_dev = srv->dev;
1773
1774 return 0;
1775
1776 }
1777
1778 /*
1779 * Routine to stat a file given an fd
1780 */
1781
1782 static int smbc_fstat_ctx(SMBCCTX *context, SMBCFILE *file, struct stat *st)
1783 {
1784 time_t c_time, a_time, m_time;
1785 SMB_OFF_T size;
1786 uint16 mode;
1787 SMB_INO_T ino = 0;
1788
1789 if (!context || !context->internal ||
1790 !context->internal->_initialized) {
1791
1792 errno = EINVAL;
1793 return -1;
1794
1795 }
1796
1797 if (!file || !DLIST_CONTAINS(context->internal->_files, file)) {
1798
1799 errno = EBADF;
1800 return -1;
1801
1802 }
1803
1804 if (!file->file) {
1805
1806 return context->fstatdir(context, file, st);
1807
1808 }
1809
1810 if (!cli_qfileinfo(&file->srv->cli, file->cli_fd,
1811 &mode, &size, &c_time, &a_time, &m_time, NULL, &ino)) {
1812 if (!cli_getattrE(&file->srv->cli, file->cli_fd,
1813 &mode, &size, &c_time, &a_time, &m_time)) {
1814
1815 errno = EINVAL;
1816 return -1;
1817 }
1818 }
1819
1820 st->st_ino = ino;
1821
1822 smbc_setup_stat(context, st, file->fname, size, mode);
1823
1824 st->st_atime = a_time;
1825 st->st_ctime = c_time;
1826 st->st_mtime = m_time;
1827 st->st_dev = file->srv->dev;
1828
1829 return 0;
1830
1831 }
1832
1833 /*
1834 * Routine to open a directory
1835 * We accept the URL syntax explained in smbc_parse_path(), above.
1836 */
1837
1838 static void smbc_remove_dir(SMBCFILE *dir)
1839 {
1840 struct smbc_dir_list *d,*f;
1841
1842 d = dir->dir_list;
1843 while (d) {
1844
1845 f = d; d = d->next;
1846
1847 SAFE_FREE(f->dirent);
1848 SAFE_FREE(f);
1849
1850 }
1851
1852 dir->dir_list = dir->dir_end = dir->dir_next = NULL;
1853
1854 }
1855
1856 static int add_dirent(SMBCFILE *dir, const char *name, const char *comment, uint32 type)
1857 {
1858 struct smbc_dirent *dirent;
1859 int size;
1860 int name_length = (name == NULL ? 0 : strlen(name));
1861 int comment_len = (comment == NULL ? 0 : strlen(comment));
1862
1863 /*
1864 * Allocate space for the dirent, which must be increased by the
1865 * size of the name and the comment and 1 each for the null terminator.
1866 */
1867
1868 size = sizeof(struct smbc_dirent) + name_length + comment_len + 2;
1869
1870 dirent = SMB_MALLOC(size);
1871
1872 if (!dirent) {
1873
1874 dir->dir_error = ENOMEM;
1875 return -1;
1876
1877 }
1878
1879 ZERO_STRUCTP(dirent);
1880
1881 if (dir->dir_list == NULL) {
1882
1883 dir->dir_list = SMB_MALLOC_P(struct smbc_dir_list);
1884 if (!dir->dir_list) {
1885
1886 SAFE_FREE(dirent);
1887 dir->dir_error = ENOMEM;
1888 return -1;
1889
1890 }
1891 ZERO_STRUCTP(dir->dir_list);
1892
1893 dir->dir_end = dir->dir_next = dir->dir_list;
1894 }
1895 else {
1896
1897 dir->dir_end->next = SMB_MALLOC_P(struct smbc_dir_list);
1898
1899 if (!dir->dir_end->next) {
1900
1901 SAFE_FREE(dirent);
1902 dir->dir_error = ENOMEM;
1903 return -1;
1904
1905 }
1906 ZERO_STRUCTP(dir->dir_end->next);
1907
1908 dir->dir_end = dir->dir_end->next;
1909 }
1910
1911 dir->dir_end->next = NULL;
1912 dir->dir_end->dirent = dirent;
1913
1914 dirent->smbc_type = type;
1915 dirent->namelen = name_length;
1916 dirent->commentlen = comment_len;
1917 dirent->dirlen = size;
1918
1919 strncpy(dirent->name, (name?name:""), dirent->namelen + 1);
1920
1921 dirent->comment = (char *)(&dirent->name + dirent->namelen + 1);
1922 strncpy(dirent->comment, (comment?comment:""), dirent->commentlen + 1);
1923
1924 return 0;
1925
1926 }
1927
1928 static void
1929 list_unique_wg_fn(const char *name, uint32 type, const char *comment, void *state)
1930 {
1931 SMBCFILE *dir = (SMBCFILE *)state;
1932 struct smbc_dir_list *dir_list;
1933 struct smbc_dirent *dirent;
1934 int dirent_type;
1935 int do_remove = 0;
1936
1937 dirent_type = dir->dir_type;
1938
1939 if (add_dirent(dir, name, comment, dirent_type) < 0) {
1940
1941 /* An error occurred, what do we do? */
1942 /* FIXME: Add some code here */
1943 }
1944
1945 /* Point to the one just added */
1946 dirent = dir->dir_end->dirent;
1947
1948 /* See if this was a duplicate */
1949 for (dir_list = dir->dir_list;
1950 dir_list != dir->dir_end;
1951 dir_list = dir_list->next) {
1952 if (! do_remove &&
1953 strcmp(dir_list->dirent->name, dirent->name) == 0) {
1954 /* Duplicate. End end of list need to be removed. */
1955 do_remove = 1;
1956 }
1957
1958 if (do_remove && dir_list->next == dir->dir_end) {
1959 /* Found the end of the list. Remove it. */
1960 dir->dir_end = dir_list;
1961 free(dir_list->next);
1962 dir_list->next = NULL;
1963 break;
1964 }
1965 }
1966 }
1967
1968 static void
1969 list_fn(const char *name, uint32 type, const char *comment, void *state)
1970 {
1971 SMBCFILE *dir = (SMBCFILE *)state;
1972 int dirent_type;
1973
1974 /* We need to process the type a little ... */
1975
1976 if (dir->dir_type == SMBC_FILE_SHARE) {
1977
1978 switch (type) {
1979 case 0: /* Directory tree */
1980 dirent_type = SMBC_FILE_SHARE;
1981 break;
1982
1983 case 1:
1984 dirent_type = SMBC_PRINTER_SHARE;
1985 break;
1986
1987 case 2:
1988 dirent_type = SMBC_COMMS_SHARE;
1989 break;
1990
1991 case 3:
1992 dirent_type = SMBC_IPC_SHARE;
1993 break;
1994
1995 default:
1996 dirent_type = SMBC_FILE_SHARE; /* FIXME, error? */
1997 break;
1998 }
1999 }
2000 else dirent_type = dir->dir_type;
2001
2002 if (add_dirent(dir, name, comment, dirent_type) < 0) {
2003
2004 /* An error occurred, what do we do? */
2005 /* FIXME: Add some code here */
2006
2007 }
2008 }
2009
2010 static void
2011 dir_list_fn(const char *mnt, file_info *finfo, const char *mask, void *state)
2012 {
2013
2014 if (add_dirent((SMBCFILE *)state, finfo->name, "",
2015 (finfo->mode&aDIR?SMBC_DIR:SMBC_FILE)) < 0) {
2016
2017 /* Handle an error ... */
2018
2019 /* FIXME: Add some code ... */
2020
2021 }
2022
2023 }
2024
2025 static SMBCFILE *smbc_opendir_ctx(SMBCCTX *context, const char *fname)
2026 {
2027 fstring server, share, user, password, options;
2028 pstring workgroup;
2029 pstring path;
2030 uint16 mode;
2031 char *p;
2032 SMBCSRV *srv = NULL;
2033 SMBCFILE *dir = NULL;
2034 struct in_addr rem_ip;
2035
2036 if (!context || !context->internal ||
2037 !context->internal->_initialized) {
2038 DEBUG(4, ("no valid context\n"));
2039 errno = EINVAL + 8192;
2040 return NULL;
2041
2042 }
2043
2044 if (!fname) {
2045 DEBUG(4, ("no valid fname\n"));
2046 errno = EINVAL + 8193;
2047 return NULL;
2048 }
2049
2050 if (smbc_parse_path(context, fname,
2051 server, sizeof(server),
2052 share, sizeof(share),
2053 path, sizeof(path),
2054 user, sizeof(user),
2055 password, sizeof(password),
2056 options, sizeof(options))) {
2057 DEBUG(4, ("no valid path\n"));
2058 errno = EINVAL + 8194;
2059 return NULL;
2060 }
2061
2062 DEBUG(4, ("parsed path: fname='%s' server='%s' share='%s' path='%s' options='%s'\n", fname, server, share, path, options));
2063
2064 /* Ensure the options are valid */
2065 if (smbc_check_options(server, share, path, options)) {
2066 DEBUG(4, ("unacceptable options (%s)\n", options));
2067 errno = EINVAL + 8195;
2068 return NULL;
2069 }
2070
2071 if (user[0] == (char)0) fstrcpy(user, context->user);
2072
2073 pstrcpy(workgroup, context->workgroup);
2074
2075 dir = SMB_MALLOC_P(SMBCFILE);
2076
2077 if (!dir) {
2078
2079 errno = ENOMEM;
2080 return NULL;
2081
2082 }
2083
2084 ZERO_STRUCTP(dir);
2085
2086 dir->cli_fd = 0;
2087 dir->fname = SMB_STRDUP(fname);
2088 dir->srv = NULL;
2089 dir->offset = 0;
2090 dir->file = False;
2091 dir->dir_list = dir->dir_next = dir->dir_end = NULL;
2092
2093 if (server[0] == (char)0) {
2094
2095 int i;
2096 int count;
2097 int max_lmb_count;
2098 struct ip_service *ip_list;
2099 struct ip_service server_addr;
2100 struct user_auth_info u_info;
2101 struct cli_state *cli;
2102
2103 if (share[0] != (char)0 || path[0] != (char)0) {
2104
2105 errno = EINVAL + 8196;
2106 if (dir) {
2107 SAFE_FREE(dir->fname);
2108 SAFE_FREE(dir);
2109 }
2110 return NULL;
2111 }
2112
2113 /* Determine how many local master browsers to query */
2114 max_lmb_count = (context->options.browse_max_lmb_count == 0
2115 ? INT_MAX
2116 : context->options.browse_max_lmb_count);
2117
2118 pstrcpy(u_info.username, user);
2119 pstrcpy(u_info.password, password);
2120
2121 /*
2122 * We have server and share and path empty but options
2123 * requesting that we scan all master browsers for their list
2124 * of workgroups/domains. This implies that we must first try
2125 * broadcast queries to find all master browsers, and if that
2126 * doesn't work, then try our other methods which return only
2127 * a single master browser.
2128 */
2129
2130 if (!name_resolve_bcast(MSBROWSE, 1, &ip_list, &count)) {
2131 if (!find_master_ip(workgroup, &server_addr.ip)) {
2132
2133 errno = ENOENT;
2134 return NULL;
2135 }
2136
2137 ip_list = &server_addr;
2138 count = 1;
2139 }
2140
2141 for (i = 0; i < count && i < max_lmb_count; i++) {
2142 DEBUG(99, ("Found master browser %d of %d: %s\n", i+1, MAX(count, max_lmb_count), inet_ntoa(ip_list[i].ip)));
2143
2144 cli = get_ipc_connect_master_ip(&ip_list[i], workgroup, &u_info);
2145 /* cli == NULL is the master browser refused to talk or
2146 could not be found */
2147 if ( !cli )
2148 continue;
2149
2150 fstrcpy(server, cli->desthost);
2151 cli_shutdown(cli);
2152
2153 DEBUG(4, ("using workgroup %s %s\n", workgroup, server));
2154
2155 /*
2156 * For each returned master browser IP address, get a
2157 * connection to IPC$ on the server if we do not
2158 * already have one, and determine the
2159 * workgroups/domains that it knows about.
2160 */
2161
2162 srv = smbc_server(context, server,
2163 "IPC$", workgroup, user, password);
2164 if (!srv) {
2165 continue;
2166 }
2167
2168 dir->srv = srv;
2169 dir->dir_type = SMBC_WORKGROUP;
2170
2171 /* Now, list the stuff ... */
2172
2173 if (!cli_NetServerEnum(&srv->cli, workgroup, SV_TYPE_DOMAIN_ENUM, list_unique_wg_fn,
2174 (void *)dir)) {
2175
2176 continue;
2177 }
2178 }
2179 } else {
2180 /*
2181 * Server not an empty string ... Check the rest and see what
2182 * gives
2183 */
2184 if (share[0] == (char)0) {
2185
2186 if (path[0] != (char)0) { /* Should not have empty share with path */
2187
2188 errno = EINVAL + 8197;
2189 if (dir) {
2190 SAFE_FREE(dir->fname);
2191 SAFE_FREE(dir);
2192 }
2193 return NULL;
2194
2195 }
2196
2197 /* Check to see if <server><1D>, <server><1B>, or <server><20> translates */
2198 /* However, we check to see if <server> is an IP address first */
2199
2200 if (!is_ipaddress(server) && /* Not an IP addr so check next */
2201 (resolve_name(server, &rem_ip, 0x1d) || /* Found LMB */
2202 resolve_name(server, &rem_ip, 0x1b) )) { /* Found DMB */
2203 fstring buserver;
2204
2205 dir->dir_type = SMBC_SERVER;
2206
2207 /*
2208 * Get the backup list ...
2209 */
2210
2211
2212 if (!name_status_find(server, 0, 0, rem_ip, buserver)) {
2213
2214 DEBUG(0, ("Could not get name of local/domain master browser for server %s\n", server));
2215 errno = EPERM; /* FIXME, is this correct */
2216 return NULL;
2217
2218 }
2219
2220 /*
2221 * Get a connection to IPC$ on the server if we do not already have one
2222 */
2223
2224 srv = smbc_server(context, buserver, "IPC$", workgroup, user, password);
2225
2226 if (!srv) {
2227 DEBUG(0, ("got no contact to IPC$\n"));
2228 if (dir) {
2229 SAFE_FREE(dir->fname);
2230 SAFE_FREE(dir);
2231 }
2232 return NULL;
2233
2234 }
2235
2236 dir->srv = srv;
2237
2238 /* Now, list the servers ... */
2239
2240 if (!cli_NetServerEnum(&srv->cli, server, 0x0000FFFE, list_fn,
2241 (void *)dir)) {
2242
2243 if (dir) {
2244 SAFE_FREE(dir->fname);
2245 SAFE_FREE(dir);
2246 }
2247 return NULL;
2248
2249 }
2250 }
2251 else {
2252
2253 if (resolve_name(server, &rem_ip, 0x20)) {
2254
2255 /* Now, list the shares ... */
2256
2257 dir->dir_type = SMBC_FILE_SHARE;
2258
2259 srv = smbc_server(context, server, "IPC$", workgroup, user, password);
2260
2261 if (!srv) {
2262
2263 if (dir) {
2264 SAFE_FREE(dir->fname);
2265 SAFE_FREE(dir);
2266 }
2267 return NULL;
2268
2269 }
2270
2271 dir->srv = srv;
2272
2273 /* Now, list the servers ... */
2274
2275 if (cli_RNetShareEnum(&srv->cli, list_fn,
2276 (void *)dir) < 0) {
2277
2278 errno = cli_errno(&srv->cli);
2279 if (dir) {
2280 SAFE_FREE(dir->fname);
2281 SAFE_FREE(dir);
2282 }
2283 return NULL;
2284
2285 }
2286
2287 }
2288 else {
2289
2290 errno = ECONNREFUSED; /* Neither the workgroup nor server exists */
2291 if (dir) {
2292 SAFE_FREE(dir->fname);
2293 SAFE_FREE(dir);
2294 }
2295 return NULL;
2296
2297 }
2298
2299 }
2300
2301 }
2302 else { /* The server and share are specified ... work from there ... */
2303
2304 /* Well, we connect to the server and list the directory */
2305
2306 dir->dir_type = SMBC_FILE_SHARE;
2307
2308 srv = smbc_server(context, server, share, workgroup, user, password);
2309
2310 if (!srv) {
2311
2312 if (dir) {
2313 SAFE_FREE(dir->fname);
2314 SAFE_FREE(dir);
2315 }
2316 return NULL;
2317
2318 }
2319
2320 dir->srv = srv;
2321
2322 /* Now, list the files ... */
2323
2324 p = path + strlen(path);
2325 pstrcat(path, "\\*");
2326
2327 if (cli_list(&srv->cli, path, aDIR | aSYSTEM | aHIDDEN, dir_list_fn,
2328 (void *)dir) < 0) {
2329
2330 if (dir) {
2331 SAFE_FREE(dir->fname);
2332 SAFE_FREE(dir);
2333 }
2334 errno = smbc_errno(context, &srv->cli);
2335
2336 if (errno == EINVAL) {
2337 /*
2338 * See if they asked to opendir something
2339 * other than a directory. If so, the
2340 * converted error value we got would have
2341 * been EINVAL rather than ENOTDIR.
2342 */
2343 *p = '\0'; /* restore original path */
2344
2345 if (smbc_getatr(context, srv, path,
2346 &mode, NULL,
2347 NULL, NULL, NULL,
2348 NULL) &&
2349 ! IS_DOS_DIR(mode)) {
2350
2351 /* It is. Correct the error value */
2352 errno = ENOTDIR;
2353 }
2354 }
2355
2356 return NULL;
2357
2358 }
2359 }
2360
2361 }
2362
2363 DLIST_ADD(context->internal->_files, dir);
2364 return dir;
2365
2366 }
2367
2368 /*
2369 * Routine to close a directory
2370 */
2371
2372 static int smbc_closedir_ctx(SMBCCTX *context, SMBCFILE *dir)
2373 {
2374
2375 if (!context || !context->internal ||
2376 !context->internal->_initialized) {
2377
2378 errno = EINVAL;
2379 return -1;
2380
2381 }
2382
2383 if (!dir || !DLIST_CONTAINS(context->internal->_files, dir)) {
2384
2385 errno = EBADF;
2386 return -1;
2387
2388 }
2389
2390 smbc_remove_dir(dir); /* Clean it up */
2391
2392 DLIST_REMOVE(context->internal->_files, dir);
2393
2394 if (dir) {
2395
2396 SAFE_FREE(dir->fname);
2397 SAFE_FREE(dir); /* Free the space too */
2398 }
2399
2400 return 0;
2401
2402 }
2403
2404 static void smbc_readdir_internal(SMBCCTX * context,
2405 struct smbc_dirent *dest,
2406 struct smbc_dirent *src,
2407 int max_namebuf_len)
2408 {
2409 if (context->options.urlencode_readdir_entries) {
2410
2411 /* url-encode the name. get back remaining buffer space */
2412 max_namebuf_len =
2413 smbc_urlencode(dest->name, src->name, max_namebuf_len);
2414
2415 /* We now know the name length */
2416 dest->namelen = strlen(dest->name);
2417
2418 /* Save the pointer to the beginning of the comment */
2419 dest->comment = dest->name + dest->namelen + 1;
2420
2421 /* Copy the comment */
2422 strncpy(dest->comment, src->comment, max_namebuf_len);
2423
2424 /* Ensure the comment is null terminated */
2425 if (max_namebuf_len > src->commentlen) {
2426 dest->comment[src->commentlen] = '\0';
2427 } else {
2428 dest->comment[max_namebuf_len - 1] = '\0';
2429 }
2430
2431 /* Save other fields */
2432 dest->smbc_type = src->smbc_type;
2433 dest->commentlen = strlen(dest->comment);
2434 dest->dirlen = ((dest->comment + dest->commentlen + 1) -
2435 (char *) dest);
2436 } else {
2437
2438 /* No encoding. Just copy the entry as is. */
2439 memcpy(dest, src, src->dirlen);
2440 dest->comment = (char *)(&dest->name + src->namelen + 1);
2441 }
2442
2443 }
2444
2445 /*
2446 * Routine to get a directory entry
2447 */
2448
2449 struct smbc_dirent *smbc_readdir_ctx(SMBCCTX *context, SMBCFILE *dir)
2450 {
2451 int maxlen;
2452 struct smbc_dirent *dirp, *dirent;
2453
2454 /* Check that all is ok first ... */
2455
2456 if (!context || !context->internal ||
2457 !context->internal->_initialized) {
2458
2459 errno = EINVAL;
2460 DEBUG(0, ("Invalid context in smbc_readdir_ctx()\n"));
2461 return NULL;
2462
2463 }
2464
2465 if (!dir || !DLIST_CONTAINS(context->internal->_files, dir)) {
2466
2467 errno = EBADF;
2468 DEBUG(0, ("Invalid dir in smbc_readdir_ctx()\n"));
2469 return NULL;
2470
2471 }
2472
2473 if (dir->file != False) { /* FIXME, should be dir, perhaps */
2474
2475 errno = ENOTDIR;
2476 DEBUG(0, ("Found file vs directory in smbc_readdir_ctx()\n"));
2477 return NULL;
2478
2479 }
2480
2481 if (!dir->dir_next) {
2482 return NULL;
2483 }
2484
2485 dirent = dir->dir_next->dirent;
2486 if (!dirent) {
2487
2488 errno = ENOENT;
2489 return NULL;
2490
2491 }
2492
2493 dirp = (struct smbc_dirent *)context->internal->_dirent;
2494 maxlen = (sizeof(context->internal->_dirent) -
2495 sizeof(struct smbc_dirent));
2496
2497 smbc_readdir_internal(context, dirp, dirent, maxlen);
2498
2499 dir->dir_next = dir->dir_next->next;
2500
2501 return dirp;
2502 }
2503
2504 /*
2505 * Routine to get directory entries
2506 */
2507
2508 static int smbc_getdents_ctx(SMBCCTX *context,
2509 SMBCFILE *dir,
2510 struct smbc_dirent *dirp,
2511 int count)
2512 {
2513 int rem = count;
2514 int reqd;
2515 int maxlen;
2516 char *ndir = (char *)dirp;
2517 struct smbc_dir_list *dirlist;
2518
2519 /* Check that all is ok first ... */
2520
2521 if (!context || !context->internal ||
2522 !context->internal->_initialized) {
2523
2524 errno = EINVAL;
2525 return -1;
2526
2527 }
2528
2529 if (!dir || !DLIST_CONTAINS(context->internal->_files, dir)) {
2530
2531 errno = EBADF;
2532 return -1;
2533
2534 }
2535
2536 if (dir->file != False) { /* FIXME, should be dir, perhaps */
2537
2538 errno = ENOTDIR;
2539 return -1;
2540
2541 }
2542
2543 /*
2544 * Now, retrieve the number of entries that will fit in what was passed
2545 * We have to figure out if the info is in the list, or we need to
2546 * send a request to the server to get the info.
2547 */
2548
2549 while ((dirlist = dir->dir_next)) {
2550 struct smbc_dirent *dirent;
2551
2552 if (!dirlist->dirent) {
2553
2554 errno = ENOENT; /* Bad error */
2555 return -1;
2556
2557 }
2558
2559 /* Do urlencoding of next entry, if so selected */
2560 dirent = (struct smbc_dirent *)context->internal->_dirent;
2561 maxlen = (sizeof(context->internal->_dirent) -
2562 sizeof(struct smbc_dirent));
2563 smbc_readdir_internal(context, dirent, dirlist->dirent, maxlen);
2564
2565 reqd = dirent->dirlen;
2566
2567 if (rem < reqd) {
2568
2569 if (rem < count) { /* We managed to copy something */
2570
2571 errno = 0;
2572 return count - rem;
2573
2574 }
2575 else { /* Nothing copied ... */
2576
2577 errno = EINVAL; /* Not enough space ... */
2578 return -1;
2579
2580 }
2581
2582 }
2583
2584 memcpy(ndir, dirent, reqd); /* Copy the data in ... */
2585
2586 ((struct smbc_dirent *)ndir)->comment =
2587 (char *)(&((struct smbc_dirent *)ndir)->name +
2588 dirent->namelen +
2589 1);
2590
2591 ndir += reqd;
2592
2593 rem -= reqd;
2594
2595 dir->dir_next = dirlist = dirlist -> next;
2596 }
2597
2598 if (rem == count)
2599 return 0;
2600 else
2601 return count - rem;
2602
2603 }
2604
2605 /*
2606 * Routine to create a directory ...
2607 */
2608
2609 static int smbc_mkdir_ctx(SMBCCTX *context, const char *fname, mode_t mode)
2610 {
2611 SMBCSRV *srv;
2612 fstring server, share, user, password, workgroup;
2613 pstring path;
2614
2615 if (!context || !context->internal ||
2616 !context->internal->_initialized) {
2617
2618 errno = EINVAL;
2619 return -1;
2620
2621 }
2622
2623 if (!fname) {
2624
2625 errno = EINVAL;
2626 return -1;
2627
2628 }
2629
2630 DEBUG(4, ("smbc_mkdir(%s)\n", fname));
2631
2632 if (smbc_parse_path(context, fname,
2633 server, sizeof(server),
2634 share, sizeof(share),
2635 path, sizeof(path),
2636 user, sizeof(user),
2637 password, sizeof(password),
2638 NULL, 0)) {
2639 errno = EINVAL;
2640 return -1;
2641 }
2642
2643 if (user[0] == (char)0) fstrcpy(user, context->user);
2644
2645 fstrcpy(workgroup, context->workgroup);
2646
2647 srv = smbc_server(context, server, share, workgroup, user, password);
2648
2649 if (!srv) {
2650
2651 return -1; /* errno set by smbc_server */
2652
2653 }
2654
2655 if (!cli_mkdir(&srv->cli, path)) {
2656
2657 errno = smbc_errno(context, &srv->cli);
2658 return -1;
2659
2660 }
2661
2662 return 0;
2663
2664 }
2665
2666 /*
2667 * Our list function simply checks to see if a directory is not empty
2668 */
2669
2670 static int smbc_rmdir_dirempty = True;
2671
2672 static void rmdir_list_fn(const char *mnt, file_info *finfo, const char *mask, void *state)
2673 {
2674
2675 if (strncmp(finfo->name, ".", 1) != 0 && strncmp(finfo->name, "..", 2) != 0)
2676 smbc_rmdir_dirempty = False;
2677
2678 }
2679
2680 /*
2681 * Routine to remove a directory
2682 */
2683
2684 static int smbc_rmdir_ctx(SMBCCTX *context, const char *fname)
2685 {
2686 SMBCSRV *srv;
2687 fstring server, share, user, password, workgroup;
2688 pstring path;
2689
2690 if (!context || !context->internal ||
2691 !context->internal->_initialized) {
2692
2693 errno = EINVAL;
2694 return -1;
2695
2696 }
2697
2698 if (!fname) {
2699
2700 errno = EINVAL;
2701 return -1;
2702
2703 }
2704
2705 DEBUG(4, ("smbc_rmdir(%s)\n", fname));
2706
2707 if (smbc_parse_path(context, fname,
2708 server, sizeof(server),
2709 share, sizeof(share),
2710 path, sizeof(path),
2711 user, sizeof(user),
2712 password, sizeof(password),
2713 NULL, 0))
2714 {
2715 errno = EINVAL;
2716 return -1;
2717 }
2718
2719 if (user[0] == (char)0) fstrcpy(user, context->user);
2720
2721 fstrcpy(workgroup, context->workgroup);
2722
2723 srv = smbc_server(context, server, share, workgroup, user, password);
2724
2725 if (!srv) {
2726
2727 return -1; /* errno set by smbc_server */
2728
2729 }
2730
2731 /* if (strncmp(srv->cli.dev, "IPC", 3) == 0) {
2732
2733 mode = aDIR | aRONLY;
2734
2735 }
2736 else if (strncmp(srv->cli.dev, "LPT", 3) == 0) {
2737
2738 if (strcmp(path, "\\") == 0) {
2739
2740 mode = aDIR | aRONLY;
2741
2742 }
2743 else {
2744
2745 mode = aRONLY;
2746 smbc_stat_printjob(srv, path, &size, &m_time);
2747 c_time = a_time = m_time;
2748
2749 }
2750 else { */
2751
2752 if (!cli_rmdir(&srv->cli, path)) {
2753
2754 errno = smbc_errno(context, &srv->cli);
2755
2756 if (errno == EACCES) { /* Check if the dir empty or not */
2757
2758 pstring lpath; /* Local storage to avoid buffer overflows */
2759
2760 smbc_rmdir_dirempty = True; /* Make this so ... */
2761
2762 pstrcpy(lpath, path);
2763 pstrcat(lpath, "\\*");
2764
2765 if (cli_list(&srv->cli, lpath, aDIR | aSYSTEM | aHIDDEN, rmdir_list_fn,
2766 NULL) < 0) {
2767
2768 /* Fix errno to ignore latest error ... */
2769
2770 DEBUG(5, ("smbc_rmdir: cli_list returned an error: %d\n",
2771 smbc_errno(context, &srv->cli)));
2772 errno = EACCES;
2773
2774 }
2775
2776 if (smbc_rmdir_dirempty)
2777 errno = EACCES;
2778 else
2779 errno = ENOTEMPTY;
2780
2781 }
2782
2783 return -1;
2784
2785 }
2786
2787 return 0;
2788
2789 }
2790
2791 /*
2792 * Routine to return the current directory position
2793 */
2794
2795 static off_t smbc_telldir_ctx(SMBCCTX *context, SMBCFILE *dir)
2796 {
2797 off_t ret_val; /* Squash warnings about cast */
2798
2799 if (!context || !context->internal ||
2800 !context->internal->_initialized) {
2801
2802 errno = EINVAL;
2803 return -1;
2804
2805 }
2806
2807 if (!dir || !DLIST_CONTAINS(context->internal->_files, dir)) {
2808
2809 errno = EBADF;
2810 return -1;
2811
2812 }
2813
2814 if (dir->file != False) { /* FIXME, should be dir, perhaps */
2815
2816 errno = ENOTDIR;
2817 return -1;
2818
2819 }
2820
2821 /*
2822 * We return the pointer here as the offset
2823 */
2824 ret_val = (int)dir->dir_next;
2825 return ret_val;
2826
2827 }
2828
2829 /*
2830 * A routine to run down the list and see if the entry is OK
2831 */
2832
2833 struct smbc_dir_list *smbc_check_dir_ent(struct smbc_dir_list *list,
2834 struct smbc_dirent *dirent)
2835 {
2836
2837 /* Run down the list looking for what we want */
2838
2839 if (dirent) {
2840
2841 struct smbc_dir_list *tmp = list;
2842
2843 while (tmp) {
2844
2845 if (tmp->dirent == dirent)
2846 return tmp;
2847
2848 tmp = tmp->next;
2849
2850 }
2851
2852 }
2853
2854 return NULL; /* Not found, or an error */
2855
2856 }
2857
2858
2859 /*
2860 * Routine to seek on a directory
2861 */
2862
2863 static int smbc_lseekdir_ctx(SMBCCTX *context, SMBCFILE *dir, off_t offset)
2864 {
2865 long int l_offset = offset; /* Handle problems of size */
2866 struct smbc_dirent *dirent = (struct smbc_dirent *)l_offset;
2867 struct smbc_dir_list *list_ent = (struct smbc_dir_list *)NULL;
2868
2869 if (!context || !context->internal ||
2870 !context->internal->_initialized) {
2871
2872 errno = EINVAL;
2873 return -1;
2874
2875 }
2876
2877 if (dir->file != False) { /* FIXME, should be dir, perhaps */
2878
2879 errno = ENOTDIR;
2880 return -1;
2881
2882 }
2883
2884 /* Now, check what we were passed and see if it is OK ... */
2885
2886 if (dirent == NULL) { /* Seek to the begining of the list */
2887
2888 dir->dir_next = dir->dir_list;
2889 return 0;
2890
2891 }
2892
2893 /* Now, run down the list and make sure that the entry is OK */
2894 /* This may need to be changed if we change the format of the list */
2895
2896 if ((list_ent = smbc_check_dir_ent(dir->dir_list, dirent)) == NULL) {
2897
2898 errno = EINVAL; /* Bad entry */
2899 return -1;
2900
2901 }
2902
2903 dir->dir_next = list_ent;
2904
2905 return 0;
2906
2907 }
2908
2909 /*
2910 * Routine to fstat a dir
2911 */
2912
2913 static int smbc_fstatdir_ctx(SMBCCTX *context, SMBCFILE *dir, struct stat *st)
2914 {
2915
2916 if (!context || !context->internal ||
2917 !context->internal->_initialized) {
2918
2919 errno = EINVAL;
2920 return -1;
2921
2922 }
2923
2924 /* No code yet ... */
2925
2926 return 0;
2927
2928 }
2929
2930 int smbc_chmod_ctx(SMBCCTX *context, const char *fname, mode_t newmode)
2931 {
2932 SMBCSRV *srv;
2933 fstring server, share, user, password, workgroup;
2934 pstring path;
2935 uint16 mode;
2936
2937 if (!context || !context->internal ||
2938 !context->internal->_initialized) {
2939
2940 errno = EINVAL; /* Best I can think of ... */
2941 return -1;
2942
2943 }
2944
2945 if (!fname) {
2946
2947 errno = EINVAL;
2948 return -1;
2949
2950 }
2951
2952 DEBUG(4, ("smbc_chmod(%s, 0%3o)\n", fname, newmode));
2953
2954 if (smbc_parse_path(context, fname,
2955 server, sizeof(server),
2956 share, sizeof(share),
2957 path, sizeof(path),
2958 user, sizeof(user),
2959 password, sizeof(password),
2960 NULL, 0)) {
2961 errno = EINVAL;
2962 return -1;
2963 }
2964
2965 if (user[0] == (char)0) fstrcpy(user, context->user);
2966
2967 fstrcpy(workgroup, context->workgroup);
2968
2969 srv = smbc_server(context, server, share, workgroup, user, password);
2970
2971 if (!srv) {
2972 return -1; /* errno set by smbc_server */
2973 }
2974
2975 mode = 0;
2976
2977 if (!(newmode & (S_IWUSR | S_IWGRP | S_IWOTH))) mode |= aRONLY;
2978 if ((newmode & S_IXUSR) && lp_map_archive(-1)) mode |= aARCH;
2979 if ((newmode & S_IXGRP) && lp_map_system(-1)) mode |= aSYSTEM;
2980 if ((newmode & S_IXOTH) && lp_map_hidden(-1)) mode |= aHIDDEN;
2981
2982 if (!cli_setatr(&srv->cli, path, mode, 0)) {
2983 errno = smbc_errno(context, &srv->cli);
2984 return -1;
2985 }
2986
2987 return 0;
2988 }
2989
2990 int smbc_utimes_ctx(SMBCCTX *context, const char *fname, struct timeval *tbuf)
2991 {
2992 SMBCSRV *srv;
2993 fstring server, share, user, password, workgroup;
2994 pstring path;
2995 time_t a_time;
2996 time_t m_time;
2997
2998 if (!context || !context->internal ||
2999 !context->internal->_initialized) {
3000
3001 errno = EINVAL; /* Best I can think of ... */
3002 return -1;
3003
3004 }
3005
3006 if (!fname) {
3007
3008 errno = EINVAL;
3009 return -1;
3010
3011 }
3012
3013 if (tbuf == NULL) {
3014 a_time = m_time = time(NULL);
3015 } else {
3016 a_time = tbuf[0].tv_sec;
3017 m_time = tbuf[1].tv_sec;
3018 }
3019
3020 if (DEBUGLVL(4))
3021 {
3022 char *p;
3023 char atimebuf[32];
3024 char mtimebuf[32];
3025
3026 strncpy(atimebuf, ctime(&a_time), sizeof(atimebuf));
3027 atimebuf[sizeof(atimebuf) - 1] = '\0';
3028 if ((p = strchr(atimebuf, '\n')) != NULL) {
3029 *p = '\0';
3030 }
3031
3032 strncpy(mtimebuf, ctime(&m_time), sizeof(mtimebuf));
3033 mtimebuf[sizeof(mtimebuf) - 1] = '\0';
3034 if ((p = strchr(mtimebuf, '\n')) != NULL) {
3035 *p = '\0';
3036 }
3037
3038 dbgtext("smbc_utimes(%s, atime = %s mtime = %s)\n",
3039 fname, atimebuf, mtimebuf);
3040 }
3041
3042 if (smbc_parse_path(context, fname,
3043 server, sizeof(server),
3044 share, sizeof(share),
3045 path, sizeof(path),
3046 user, sizeof(user),
3047 password, sizeof(password),
3048 NULL, 0)) {
3049 errno = EINVAL;
3050 return -1;
3051 }
3052
3053 if (user[0] == (char)0) fstrcpy(user, context->user);
3054
3055 fstrcpy(workgroup, context->workgroup);
3056
3057 srv = smbc_server(context, server, share, workgroup, user, password);
3058
3059 if (!srv) {
3060 return -1; /* errno set by smbc_server */
3061 }
3062
3063 if (!smbc_setatr(context, srv, path, 0, a_time, m_time, 0)) {
3064 return -1; /* errno set by smbc_setatr */
3065 }
3066
3067 return 0;
3068 }
3069
3070
3071 /* The MSDN is contradictory over the ordering of ACE entries in an ACL.
3072 However NT4 gives a "The information may have been modified by a
3073 computer running Windows NT 5.0" if denied ACEs do not appear before
3074 allowed ACEs. */
3075
3076 static int ace_compare(SEC_ACE *ace1, SEC_ACE *ace2)
3077 {
3078 if (sec_ace_equal(ace1, ace2))
3079 return 0;
3080
3081 if (ace1->type != ace2->type)
3082 return ace2->type - ace1->type;
3083
3084 if (sid_compare(&ace1->trustee, &ace2->trustee))
3085 return sid_compare(&ace1->trustee, &ace2->trustee);
3086
3087 if (ace1->flags != ace2->flags)
3088 return ace1->flags - ace2->flags;
3089
3090 if (ace1->info.mask != ace2->info.mask)
3091 return ace1->info.mask - ace2->info.mask;
3092
3093 if (ace1->size != ace2->size)
3094 return ace1->size - ace2->size;
3095
3096 return memcmp(ace1, ace2, sizeof(SEC_ACE));
3097 }
3098
3099
3100 static void sort_acl(SEC_ACL *the_acl)
3101 {
3102 uint32 i;
3103 if (!the_acl) return;
3104
3105 qsort(the_acl->ace, the_acl->num_aces, sizeof(the_acl->ace[0]), QSORT_CAST ace_compare);
3106
3107 for (i=1;i<the_acl->num_aces;) {
3108 if (sec_ace_equal(&the_acl->ace[i-1], &the_acl->ace[i])) {
3109 int j;
3110 for (j=i; j<the_acl->num_aces-1; j++) {
3111 the_acl->ace[j] = the_acl->ace[j+1];
3112 }
3113 the_acl->num_aces--;
3114 } else {
3115 i++;
3116 }
3117 }
3118 }
3119
3120 /* convert a SID to a string, either numeric or username/group */
3121 static void convert_sid_to_string(struct cli_state *ipc_cli,
3122 POLICY_HND *pol,
3123 fstring str,
3124 BOOL numeric,
3125 DOM_SID *sid)
3126 {
3127 char **domains = NULL;
3128 char **names = NULL;
3129 uint32 *types = NULL;
3130
3131 sid_to_string(str, sid);
3132
3133 if (numeric) return; /* no lookup desired */
3134
3135 /* Ask LSA to convert the sid to a name */
3136
3137 if (!NT_STATUS_IS_OK(cli_lsa_lookup_sids(ipc_cli, ipc_cli->mem_ctx,
3138 pol, 1, sid, &domains,
3139 &names, &types)) ||
3140 !domains || !domains[0] || !names || !names[0]) {
3141 return;
3142 }
3143
3144 /* Converted OK */
3145
3146 slprintf(str, sizeof(fstring) - 1, "%s%s%s",
3147 domains[0], lp_winbind_separator(),
3148 names[0]);
3149 }
3150
3151 /* convert a string to a SID, either numeric or username/group */
3152 static BOOL convert_string_to_sid(struct cli_state *ipc_cli,
3153 POLICY_HND *pol,
3154 BOOL numeric,
3155 DOM_SID *sid,
3156 const char *str)
3157 {
3158 uint32 *types = NULL;
3159 DOM_SID *sids = NULL;
3160 BOOL result = True;
3161
3162 if (numeric) {
3163 if (strncmp(str, "S-", 2) == 0) {
3164 return string_to_sid(sid, str);
3165 }
3166
3167 result = False;
3168 goto done;
3169 }
3170
3171 if (!NT_STATUS_IS_OK(cli_lsa_lookup_names(ipc_cli, ipc_cli->mem_ctx,
3172 pol, 1, &str, &sids,
3173 &types))) {
3174 result = False;
3175 goto done;
3176 }
3177
3178 sid_copy(sid, &sids[0]);
3179 done:
3180
3181 return result;
3182 }
3183
3184
3185 /* parse an ACE in the same format as print_ace() */
3186 static BOOL parse_ace(struct cli_state *ipc_cli,
3187 POLICY_HND *pol,
3188 SEC_ACE *ace,
3189 BOOL numeric,
3190 char *str)
3191 {
3192 char *p;
3193 const char *cp;
3194 fstring tok;
3195 unsigned atype, aflags, amask;
3196 DOM_SID sid;
3197 SEC_ACCESS mask;
3198 const struct perm_value *v;
3199 struct perm_value {
3200 const char *perm;
3201 uint32 mask;
3202 };
3203
3204 /* These values discovered by inspection */
3205 static const struct perm_value special_values[] = {
3206 { "R", 0x00120089 },
3207 { "W", 0x00120116 },
3208 { "X", 0x001200a0 },
3209 { "D", 0x00010000 },
3210 { "P", 0x00040000 },
3211 { "O", 0x00080000 },
3212 { NULL, 0 },
3213 };
3214
3215 static const struct perm_value standard_values[] = {
3216 { "READ", 0x001200a9 },
3217 { "CHANGE", 0x001301bf },
3218 { "FULL", 0x001f01ff },
3219 { NULL, 0 },
3220 };
3221
3222
3223 ZERO_STRUCTP(ace);
3224 p = strchr_m(str,':');
3225 if (!p) return False;
3226 *p = '\0';
3227 p++;
3228 /* Try to parse numeric form */
3229
3230 if (sscanf(p, "%i/%i/%i", &atype, &aflags, &amask) == 3 &&
3231 convert_string_to_sid(ipc_cli, pol, numeric, &sid, str)) {
3232 goto done;
3233 }
3234
3235 /* Try to parse text form */
3236
3237 if (!convert_string_to_sid(ipc_cli, pol, numeric, &sid, str)) {
3238 return False;
3239 }
3240
3241 cp = p;
3242 if (!next_token(&cp, tok, "/", sizeof(fstring))) {
3243 return False;
3244 }
3245
3246 if (StrnCaseCmp(tok, "ALLOWED", strlen("ALLOWED")) == 0) {
3247 atype = SEC_ACE_TYPE_ACCESS_ALLOWED;
3248 } else if (StrnCaseCmp(tok, "DENIED", strlen("DENIED")) == 0) {
3249 atype = SEC_ACE_TYPE_ACCESS_DENIED;
3250 } else {
3251 return False;
3252 }
3253
3254 /* Only numeric form accepted for flags at present */
3255
3256 if (!(next_token(&cp, tok, "/", sizeof(fstring)) &&
3257 sscanf(tok, "%i", &aflags))) {
3258 return False;
3259 }
3260
3261 if (!next_token(&cp, tok, "/", sizeof(fstring))) {
3262 return False;
3263 }
3264
3265 if (strncmp(tok, "0x", 2) == 0) {
3266 if (sscanf(tok, "%i", &amask) != 1) {
3267 return False;
3268 }
3269 goto done;
3270 }
3271
3272 for (v = standard_values; v->perm; v++) {
3273 if (strcmp(tok, v->perm) == 0) {
3274 amask = v->mask;
3275 goto done;
3276 }
3277 }
3278
3279 p = tok;
3280
3281 while(*p) {
3282 BOOL found = False;
3283
3284 for (v = special_values; v->perm; v++) {
3285 if (v->perm[0] == *p) {
3286 amask |= v->mask;
3287 found = True;
3288 }
3289 }
3290
3291 if (!found) return False;
3292 p++;
3293 }
3294
3295 if (*p) {
3296 return False;
3297 }
3298
3299 done:
3300 mask.mask = amask;
3301 init_sec_ace(ace, &sid, atype, mask, aflags);
3302 return True;
3303 }
3304
3305 /* add an ACE to a list of ACEs in a SEC_ACL */
3306 static BOOL add_ace(SEC_ACL **the_acl, SEC_ACE *ace, TALLOC_CTX *ctx)
3307 {
3308 SEC_ACL *newacl;
3309 SEC_ACE *aces;
3310 if (! *the_acl) {
3311 (*the_acl) = make_sec_acl(ctx, 3, 1, ace);
3312 return True;
3313 }
3314
3315 aces = SMB_CALLOC_ARRAY(SEC_ACE, 1+(*the_acl)->num_aces);
3316 memcpy(aces, (*the_acl)->ace, (*the_acl)->num_aces * sizeof(SEC_ACE));
3317 memcpy(aces+(*the_acl)->num_aces, ace, sizeof(SEC_ACE));
3318 newacl = make_sec_acl(ctx,(*the_acl)->revision,1+(*the_acl)->num_aces, aces);
3319 SAFE_FREE(aces);
3320 (*the_acl) = newacl;
3321 return True;
3322 }
3323
3324
3325 /* parse a ascii version of a security descriptor */
3326 static SEC_DESC *sec_desc_parse(TALLOC_CTX *ctx,
3327 struct cli_state *ipc_cli,
3328 POLICY_HND *pol,
3329 BOOL numeric,
3330 char *str)
3331 {
3332 const char *p = str;
3333 fstring tok;
3334 SEC_DESC *ret;
3335 size_t sd_size;
3336 DOM_SID *grp_sid=NULL, *owner_sid=NULL;
3337 SEC_ACL *dacl=NULL;
3338 int revision=1;
3339
3340 while (next_token(&p, tok, "\t,\r\n", sizeof(tok))) {
3341
3342 if (StrnCaseCmp(tok,"REVISION:", 9) == 0) {
3343 revision = strtol(tok+9, NULL, 16);
3344 continue;
3345 }
3346
3347 if (StrnCaseCmp(tok,"OWNER:", 6) == 0) {
3348 owner_sid = SMB_CALLOC_ARRAY(DOM_SID, 1);
3349 if (!owner_sid ||
3350 !convert_string_to_sid(ipc_cli, pol,
3351 numeric,
3352 owner_sid, tok+6)) {
3353 DEBUG(5, ("Failed to parse owner sid\n"));
3354 return NULL;
3355 }
3356 continue;
3357 }
3358
3359 if (StrnCaseCmp(tok,"OWNER+:", 7) == 0) {
3360 owner_sid = SMB_CALLOC_ARRAY(DOM_SID, 1);
3361 if (!owner_sid ||
3362 !convert_string_to_sid(ipc_cli, pol,
3363 False,
3364 owner_sid, tok+7)) {
3365 DEBUG(5, ("Failed to parse owner sid\n"));
3366 return NULL;
3367 }
3368 continue;
3369 }
3370
3371 if (StrnCaseCmp(tok,"GROUP:", 6) == 0) {
3372 grp_sid = SMB_CALLOC_ARRAY(DOM_SID, 1);
3373 if (!grp_sid ||
3374 !convert_string_to_sid(ipc_cli, pol,
3375 numeric,
3376 grp_sid, tok+6)) {
3377 DEBUG(5, ("Failed to parse group sid\n"));
3378 return NULL;
3379 }
3380 continue;
3381 }
3382
3383 if (StrnCaseCmp(tok,"GROUP+:", 7) == 0) {
3384 grp_sid = SMB_CALLOC_ARRAY(DOM_SID, 1);
3385 if (!grp_sid ||
3386 !convert_string_to_sid(ipc_cli, pol,
3387 False,
3388 grp_sid, tok+6)) {
3389 DEBUG(5, ("Failed to parse group sid\n"));
3390 return NULL;
3391 }
3392 continue;
3393 }
3394
3395 if (StrnCaseCmp(tok,"ACL:", 4) == 0) {
3396 SEC_ACE ace;
3397 if (!parse_ace(ipc_cli, pol, &ace, numeric, tok+4)) {
3398 DEBUG(5, ("Failed to parse ACL %s\n", tok));
3399 return NULL;
3400 }
3401 if(!add_ace(&dacl, &ace, ctx)) {
3402 DEBUG(5, ("Failed to add ACL %s\n", tok));
3403 return NULL;
3404 }
3405 continue;
3406 }
3407
3408 if (StrnCaseCmp(tok,"ACL+:", 5) == 0) {
3409 SEC_ACE ace;
3410 if (!parse_ace(ipc_cli, pol, &ace, False, tok+5)) {
3411 DEBUG(5, ("Failed to parse ACL %s\n", tok));
3412 return NULL;
3413 }
3414 if(!add_ace(&dacl, &ace, ctx)) {
3415 DEBUG(5, ("Failed to add ACL %s\n", tok));
3416 return NULL;
3417 }
3418 continue;
3419 }
3420
3421 DEBUG(5, ("Failed to parse security descriptor\n"));
3422 return NULL;
3423 }
3424
3425 ret = make_sec_desc(ctx, revision, SEC_DESC_SELF_RELATIVE,
3426 owner_sid, grp_sid, NULL, dacl, &sd_size);
3427
3428 SAFE_FREE(grp_sid);
3429 SAFE_FREE(owner_sid);
3430
3431 return ret;
3432 }
3433
3434
3435 /* Obtain the current dos attributes */
3436 static DOS_ATTR_DESC *dos_attr_query(SMBCCTX *context,
3437 TALLOC_CTX *ctx,
3438 const char *filename,
3439 SMBCSRV *srv)
3440 {
3441 time_t m_time = 0, a_time = 0, c_time = 0;
3442 SMB_OFF_T size = 0;
3443 uint16 mode = 0;
3444 SMB_INO_T inode = 0;
3445 DOS_ATTR_DESC *ret;
3446
3447 ret = TALLOC_P(ctx, DOS_ATTR_DESC);
3448 if (!ret) {
3449 errno = ENOMEM;
3450 return NULL;
3451 }
3452
3453 /* Obtain the DOS attributes */
3454 if (!smbc_getatr(context, srv, CONST_DISCARD(char *, filename),
3455 &mode, &size,
3456 &c_time, &a_time, &m_time, &inode)) {
3457
3458 errno = smbc_errno(context, &srv->cli);
3459 DEBUG(5, ("dos_attr_query Failed to query old attributes\n"));
3460 return NULL;
3461
3462 }
3463
3464 ret->mode = mode;
3465 ret->size = size;
3466 ret->a_time = a_time;
3467 ret->c_time = c_time;
3468 ret->m_time = m_time;
3469 ret->inode = inode;
3470
3471 return ret;
3472 }
3473
3474
3475 /* parse a ascii version of a security descriptor */
3476 static void dos_attr_parse(SMBCCTX *context,
3477 DOS_ATTR_DESC *dad,
3478 SMBCSRV *srv,
3479 char *str)
3480 {
3481 const char *p = str;
3482 fstring tok;
3483
3484 while (next_token(&p, tok, "\t,\r\n", sizeof(tok))) {
3485
3486 if (StrnCaseCmp(tok, "MODE:", 5) == 0) {
3487 dad->mode = strtol(tok+5, NULL, 16);
3488 continue;
3489 }
3490
3491 if (StrnCaseCmp(tok, "SIZE:", 5) == 0) {
3492 dad->size = strtoll(tok+5, NULL, 10);
3493 continue;
3494 }
3495
3496 if (StrnCaseCmp(tok, "A_TIME:", 7) == 0) {
3497 dad->a_time = strtoll(tok+7, NULL, 10);
3498 continue;
3499 }
3500
3501 if (StrnCaseCmp(tok, "C_TIME:", 7) == 0) {
3502 dad->c_time = strtoll(tok+7, NULL, 10);
3503 continue;
3504 }
3505
3506 if (StrnCaseCmp(tok, "M_TIME:", 7) == 0) {
3507 dad->m_time = strtoll(tok+7, NULL, 10);
3508 continue;
3509 }
3510
3511 if (StrnCaseCmp(tok, "INODE:", 6) == 0) {
3512 dad->inode = strtoll(tok+6, NULL, 10);
3513 continue;
3514 }
3515 }
3516 }
3517
3518
3519 /*****************************************************
3520 retrieve the acls for a file
3521 *******************************************************/
3522 static int cacl_get(SMBCCTX *context, TALLOC_CTX *ctx, SMBCSRV *srv,
3523 struct cli_state *ipc_cli, POLICY_HND *pol,
3524 char *filename, char *attr_name, char *buf, int bufsize)
3525 {
3526 uint32 i;
3527 int n = 0;
3528 int n_used;
3529 BOOL all;
3530 BOOL all_nt;
3531 BOOL all_nt_acls;
3532 BOOL all_dos;
3533 BOOL some_nt;
3534 BOOL some_dos;
3535 BOOL exclude_nt_revision = False;
3536 BOOL exclude_nt_owner = False;
3537 BOOL exclude_nt_group = False;
3538 BOOL exclude_nt_acl = False;
3539 BOOL exclude_dos_mode = False;
3540 BOOL exclude_dos_size = False;
3541 BOOL exclude_dos_ctime = False;
3542 BOOL exclude_dos_atime = False;
3543 BOOL exclude_dos_mtime = False;
3544 BOOL exclude_dos_inode = False;
3545 BOOL numeric = True;
3546 BOOL determine_size = (bufsize == 0);
3547 int fnum = -1;
3548 SEC_DESC *sd;
3549 fstring sidstr;
3550 fstring name_sandbox;
3551 char *name;
3552 char *pExclude;
3553 char *p;
3554 time_t m_time = 0, a_time = 0, c_time = 0;
3555 SMB_OFF_T size = 0;
3556 uint16 mode = 0;
3557 SMB_INO_T ino = 0;
3558 struct cli_state *cli = &srv->cli;
3559
3560 /* Copy name so we can strip off exclusions (if any are specified) */
3561 strncpy(name_sandbox, attr_name, sizeof(name_sandbox) - 1);
3562
3563 /* Ensure name is null terminated */
3564 name_sandbox[sizeof(name_sandbox) - 1] = '\0';
3565
3566 /* Play in the sandbox */
3567 name = name_sandbox;
3568
3569 /* If there are any exclusions, point to them and mask them from name */
3570 if ((pExclude = strchr(name, '!')) != NULL)
3571 {
3572 *pExclude++ = '\0';
3573 }
3574
3575 all = (StrnCaseCmp(name, "system.*", 8) == 0);
3576 all_nt = (StrnCaseCmp(name, "system.nt_sec_desc.*", 20) == 0);
3577 all_nt_acls = (StrnCaseCmp(name, "system.nt_sec_desc.acl.*", 24) == 0);
3578 all_dos = (StrnCaseCmp(name, "system.dos_attr.*", 17) == 0);
3579 some_nt = (StrnCaseCmp(name, "system.nt_sec_desc.", 19) == 0);
3580 some_dos = (StrnCaseCmp(name, "system.dos_attr.", 16) == 0);
3581 numeric = (* (name + strlen(name) - 1) != '+');
3582
3583 /* Look for exclusions from "all" requests */
3584 if (all || all_nt || all_dos) {
3585
3586 /* Exclusions are delimited by '!' */
3587 for (; pExclude != NULL; pExclude = (p == NULL ? NULL : p + 1)) {
3588
3589 /* Find end of this exclusion name */
3590 if ((p = strchr(pExclude, '!')) != NULL)
3591 {
3592 *p = '\0';
3593 }
3594
3595 /* Which exclusion name is this? */
3596 if (StrCaseCmp(pExclude, "nt_sec_desc.revision") == 0) {
3597 exclude_nt_revision = True;
3598 }
3599 else if (StrCaseCmp(pExclude, "nt_sec_desc.owner") == 0) {
3600 exclude_nt_owner = True;
3601 }
3602 else if (StrCaseCmp(pExclude, "nt_sec_desc.group") == 0) {
3603 exclude_nt_group = True;
3604 }
3605 else if (StrCaseCmp(pExclude, "nt_sec_desc.acl") == 0) {
3606 exclude_nt_acl = True;
3607 }
3608 else if (StrCaseCmp(pExclude, "dos_attr.mode") == 0) {
3609 exclude_dos_mode = True;
3610 }
3611 else if (StrCaseCmp(pExclude, "dos_attr.size") == 0) {
3612 exclude_dos_size = True;
3613 }
3614 else if (StrCaseCmp(pExclude, "dos_attr.c_time") == 0) {
3615 exclude_dos_ctime = True;
3616 }
3617 else if (StrCaseCmp(pExclude, "dos_attr.a_time") == 0) {
3618 exclude_dos_atime = True;
3619 }
3620 else if (StrCaseCmp(pExclude, "dos_attr.m_time") == 0) {
3621 exclude_dos_mtime = True;
3622 }
3623 else if (StrCaseCmp(pExclude, "dos_attr.inode") == 0) {
3624 exclude_dos_inode = True;
3625 }
3626 else {
3627 DEBUG(5, ("cacl_get received unknown exclusion: %s\n",
3628 pExclude));
3629 errno = ENOATTR;
3630 return -1;
3631 }
3632 }
3633 }
3634
3635 n_used = 0;
3636
3637 /*
3638 * If we are (possibly) talking to an NT or new system and some NT
3639 * attributes have been requested...
3640 */
3641 if (ipc_cli && (all || some_nt || all_nt_acls)) {
3642 /* Point to the portion after "system.nt_sec_desc." */
3643 name += 19; /* if (all) this will be invalid but unused */
3644
3645 /* ... then obtain any NT attributes which were requested */
3646 fnum = cli_nt_create(cli, filename, CREATE_ACCESS_READ);
3647
3648 if (fnum == -1) {
3649 DEBUG(5, ("cacl_get failed to open %s: %s\n",
3650 filename, cli_errstr(cli)));
3651 errno = 0;
3652 return -1;
3653 }
3654
3655 sd = cli_query_secdesc(cli, fnum, ctx);
3656
3657 if (!sd) {
3658 DEBUG(5,
3659 ("cacl_get Failed to query old descriptor\n"));
3660 errno = 0;
3661 return -1;
3662 }
3663
3664 cli_close(cli, fnum);
3665
3666 if (! exclude_nt_revision) {
3667 if (all || all_nt) {
3668 if (determine_size) {
3669 p = talloc_asprintf(ctx,
3670 "REVISION:%d",
3671 sd->revision);
3672 if (!p) {
3673 errno = ENOMEM;
3674 return -1;
3675 }
3676 n = strlen(p);
3677 } else {
3678 n = snprintf(buf, bufsize,
3679 "REVISION:%d", sd->revision);
3680 }
3681 } else if (StrCaseCmp(name, "revision") == 0) {
3682 if (determine_size) {
3683 p = talloc_asprintf(ctx, "%d",
3684 sd->revision);
3685 if (!p) {
3686 errno = ENOMEM;
3687 return -1;
3688 }
3689 n = strlen(p);
3690 } else {
3691 n = snprintf(buf, bufsize, "%d",
3692 sd->revision);
3693 }
3694 }
3695
3696 if (!determine_size && n > bufsize) {
3697 errno = ERANGE;
3698 return -1;
3699 }
3700 buf += n;
3701 n_used += n;
3702 bufsize -= n;
3703 }
3704
3705 if (! exclude_nt_owner) {
3706 /* Get owner and group sid */
3707 if (sd->owner_sid) {
3708 convert_sid_to_string(ipc_cli, pol,
3709 sidstr,
3710 numeric,
3711 sd->owner_sid);
3712 } else {
3713 fstrcpy(sidstr, "");
3714 }
3715
3716 if (all || all_nt) {
3717 if (determine_size) {
3718 p = talloc_asprintf(ctx, ",OWNER:%s",
3719 sidstr);
3720 if (!p) {
3721 errno = ENOMEM;
3722 return -1;
3723 }
3724 n = strlen(p);
3725 } else {
3726 n = snprintf(buf, bufsize,
3727 ",OWNER:%s", sidstr);
3728 }
3729 } else if (StrnCaseCmp(name, "owner", 5) == 0) {
3730 if (determine_size) {
3731 p = talloc_asprintf(ctx, "%s", sidstr);
3732 if (!p) {
3733 errno = ENOMEM;
3734 return -1;
3735 }
3736 n = strlen(p);
3737 } else {
3738 n = snprintf(buf, bufsize, "%s",
3739 sidstr);
3740 }
3741 }
3742
3743 if (!determine_size && n > bufsize) {
3744 errno = ERANGE;
3745 return -1;
3746 }
3747 buf += n;
3748 n_used += n;
3749 bufsize -= n;
3750 }
3751
3752 if (! exclude_nt_group) {
3753 if (sd->grp_sid) {
3754 convert_sid_to_string(ipc_cli, pol,
3755 sidstr, numeric,
3756 sd->grp_sid);
3757 } else {
3758 fstrcpy(sidstr, "");
3759 }
3760
3761 if (all || all_nt) {
3762 if (determine_size) {
3763 p = talloc_asprintf(ctx, ",GROUP:%s",
3764 sidstr);
3765 if (!p) {
3766 errno = ENOMEM;
3767 return -1;
3768 }
3769 n = strlen(p);
3770 } else {
3771 n = snprintf(buf, bufsize,
3772 ",GROUP:%s", sidstr);
3773 }
3774 } else if (StrnCaseCmp(name, "group", 5) == 0) {
3775 if (determine_size) {
3776 p = talloc_asprintf(ctx, "%s", sidstr);
3777 if (!p) {
3778 errno = ENOMEM;
3779 return -1;
3780 }
3781 n = strlen(p);
3782 } else {
3783 n = snprintf(buf, bufsize, "%s", sidstr);
3784 }
3785 }
3786
3787 if (!determine_size && n > bufsize) {
3788 errno = ERANGE;
3789 return -1;
3790 }
3791 buf += n;
3792 n_used += n;
3793 bufsize -= n;
3794 }
3795
3796 if (! exclude_nt_acl) {
3797 /* Add aces to value buffer */
3798 for (i = 0; sd->dacl && i < sd->dacl->num_aces; i++) {
3799
3800 SEC_ACE *ace = &sd->dacl->ace[i];
3801 convert_sid_to_string(ipc_cli, pol,
3802 sidstr, numeric,
3803 &ace->trustee);
3804
3805 if (all || all_nt) {
3806 if (determine_size) {
3807 p = talloc_asprintf(
3808 ctx,
3809 ",ACL:"
3810 "%s:%d/%d/0x%08x",
3811 sidstr,
3812 ace->type,
3813 ace->flags,
3814 ace->info.mask);
3815 if (!p) {
3816 errno = ENOMEM;
3817 return -1;
3818 }
3819 n = strlen(p);
3820 } else {
3821 n = snprintf(
3822 buf, bufsize,
3823 ",ACL:%s:%d/%d/0x%08x",
3824 sidstr,
3825 ace->type,
3826 ace->flags,
3827 ace->info.mask);
3828 }
3829 } else if ((StrnCaseCmp(name, "acl", 3) == 0 &&
3830 StrCaseCmp(name + 3, sidstr) == 0) ||
3831 (StrnCaseCmp(name, "acl+", 4) == 0 &&
3832 StrCaseCmp(name + 4, sidstr) == 0)) {
3833 if (determine_size) {
3834 p = talloc_asprintf(
3835 ctx,
3836 "%d/%d/0x%08x",
3837 ace->type,
3838 ace->flags,
3839 ace->info.mask);
3840 if (!p) {
3841 errno = ENOMEM;
3842 return -1;
3843 }
3844 n = strlen(p);
3845 } else {
3846 n = snprintf(buf, bufsize,
3847 "%d/%d/0x%08x",
3848 ace->type,
3849 ace->flags,
3850 ace->info.mask);
3851 }
3852 } else if (all_nt_acls) {
3853 if (determine_size) {
3854 p = talloc_asprintf(
3855 ctx,
3856 "%s%s:%d/%d/0x%08x",
3857 i ? "," : "",
3858 sidstr,
3859 ace->type,
3860 ace->flags,
3861 ace->info.mask);
3862 if (!p) {
3863 errno = ENOMEM;
3864 return -1;
3865 }
3866 n = strlen(p);
3867 } else {
3868 n = snprintf(buf, bufsize,
3869 "%s%s:%d/%d/0x%08x",
3870 i ? "," : "",
3871 sidstr,
3872 ace->type,
3873 ace->flags,
3874 ace->info.mask);
3875 }
3876 }
3877 if (n > bufsize) {
3878 errno = ERANGE;
3879 return -1;
3880 }
3881 buf += n;
3882 n_used += n;
3883 bufsize -= n;
3884 }
3885 }
3886
3887 /* Restore name pointer to its original value */
3888 name -= 19;
3889 }
3890
3891 if (all || some_dos) {
3892 /* Point to the portion after "system.dos_attr." */
3893 name += 16; /* if (all) this will be invalid but unused */
3894
3895 /* Obtain the DOS attributes */
3896 if (!smbc_getatr(context, srv, filename, &mode, &size,
3897 &c_time, &a_time, &m_time, &ino)) {
3898
3899 errno = smbc_errno(context, &srv->cli);
3900 return -1;
3901
3902 }
3903
3904 if (! exclude_dos_mode) {
3905 if (all || all_dos) {
3906 if (determine_size) {
3907 p = talloc_asprintf(ctx,
3908 "%sMODE:0x%x",
3909 (ipc_cli &&
3910 (all || some_nt)
3911 ? ","
3912 : ""),
3913 mode);
3914 if (!p) {
3915 errno = ENOMEM;
3916 return -1;
3917 }
3918 n = strlen(p);
3919 } else {
3920 n = snprintf(buf, bufsize,
3921 "%sMODE:0x%x",
3922 (ipc_cli &&
3923 (all || some_nt)
3924 ? ","
3925 : ""),
3926 mode);
3927 }
3928 } else if (StrCaseCmp(name, "mode") == 0) {
3929 if (determine_size) {
3930 p = talloc_asprintf(ctx, "0x%x", mode);
3931 if (!p) {
3932 errno = ENOMEM;
3933 return -1;
3934 }
3935 n = strlen(p);
3936 } else {
3937 n = snprintf(buf, bufsize, "0x%x", mode);
3938 }
3939 }
3940
3941 if (!determine_size && n > bufsize) {
3942 errno = ERANGE;
3943 return -1;
3944 }
3945 buf += n;
3946 n_used += n;
3947 bufsize -= n;
3948 }
3949
3950 if (! exclude_dos_size) {
3951 if (all || all_dos) {
3952 if (determine_size) {
3953 p = talloc_asprintf(
3954 ctx,
3955 ",SIZE:%llu",
3956 (unsigned long long) size);
3957 if (!p) {
3958 errno = ENOMEM;
3959 return -1;
3960 }
3961 n = strlen(p);
3962 } else {
3963 n = snprintf(buf, bufsize,
3964 ",SIZE:%llu",
3965 (unsigned long long) size);
3966 }
3967 } else if (StrCaseCmp(name, "size") == 0) {
3968 if (determine_size) {
3969 p = talloc_asprintf(
3970 ctx,
3971 "%llu",
3972 (unsigned long long) size);
3973 if (!p) {
3974 errno = ENOMEM;
3975 return -1;
3976 }
3977 n = strlen(p);
3978 } else {
3979 n = snprintf(buf, bufsize,
3980 "%llu",
3981 (unsigned long long) size);
3982 }
3983 }
3984
3985 if (!determine_size && n > bufsize) {
3986 errno = ERANGE;
3987 return -1;
3988 }
3989 buf += n;
3990 n_used += n;
3991 bufsize -= n;
3992 }
3993
3994 if (! exclude_dos_ctime) {
3995 if (all || all_dos) {
3996 if (determine_size) {
3997 p = talloc_asprintf(ctx,
3998 ",C_TIME:%lu",
3999 c_time);
4000 if (!p) {
4001 errno = ENOMEM;
4002 return -1;
4003 }
4004 n = strlen(p);
4005 } else {
4006 n = snprintf(buf, bufsize,
4007 ",C_TIME:%lu", c_time);
4008 }
4009 } else if (StrCaseCmp(name, "c_time") == 0) {
4010 if (determine_size) {
4011 p = talloc_asprintf(ctx, "%lu", c_time);
4012 if (!p) {
4013 errno = ENOMEM;
4014 return -1;
4015 }
4016 n = strlen(p);
4017 } else {
4018 n = snprintf(buf, bufsize, "%lu", c_time);
4019 }
4020 }
4021
4022 if (!determine_size && n > bufsize) {
4023 errno = ERANGE;
4024 return -1;
4025 }
4026 buf += n;
4027 n_used += n;
4028 bufsize -= n;
4029 }
4030
4031 if (! exclude_dos_atime) {
4032 if (all || all_dos) {
4033 if (determine_size) {
4034 p = talloc_asprintf(ctx,
4035 ",A_TIME:%lu",
4036 a_time);
4037 if (!p) {
4038 errno = ENOMEM;
4039 return -1;
4040 }
4041 n = strlen(p);
4042 } else {
4043 n = snprintf(buf, bufsize,
4044 ",A_TIME:%lu", a_time);
4045 }
4046 } else if (StrCaseCmp(name, "a_time") == 0) {
4047 if (determine_size) {
4048 p = talloc_asprintf(ctx, "%lu", a_time);
4049 if (!p) {
4050 errno = ENOMEM;
4051 return -1;
4052 }
4053 n = strlen(p);
4054 } else {
4055 n = snprintf(buf, bufsize, "%lu", a_time);
4056 }
4057 }
4058
4059 if (!determine_size && n > bufsize) {
4060 errno = ERANGE;
4061 return -1;
4062 }
4063 buf += n;
4064 n_used += n;
4065 bufsize -= n;
4066 }
4067
4068 if (! exclude_dos_mtime) {
4069 if (all || all_dos) {
4070 if (determine_size) {
4071 p = talloc_asprintf(ctx,
4072 ",M_TIME:%lu",
4073 m_time);
4074 if (!p) {
4075 errno = ENOMEM;
4076 return -1;
4077 }
4078 n = strlen(p);
4079 } else {
4080 n = snprintf(buf, bufsize,
4081 ",M_TIME:%lu", m_time);
4082 }
4083 } else if (StrCaseCmp(name, "m_time") == 0) {
4084 if (determine_size) {
4085 p = talloc_asprintf(ctx, "%lu", m_time);
4086 if (!p) {
4087 errno = ENOMEM;
4088 return -1;
4089 }
4090 n = strlen(p);
4091 } else {
4092 n = snprintf(buf, bufsize, "%lu", m_time);
4093 }
4094 }
4095
4096 if (!determine_size && n > bufsize) {
4097 errno = ERANGE;
4098 return -1;
4099 }
4100 buf += n;
4101 n_used += n;
4102 bufsize -= n;
4103 }
4104
4105 if (! exclude_dos_inode) {
4106 if (all || all_dos) {
4107 if (determine_size) {
4108 p = talloc_asprintf(
4109 ctx,
4110 ",INODE:%llu",
4111 (unsigned long long) ino);
4112 if (!p) {
4113 errno = ENOMEM;
4114 return -1;
4115 }
4116 n = strlen(p);
4117 } else {
4118 n = snprintf(buf, bufsize,
4119 ",INODE:%llu",
4120 (unsigned long long) ino);
4121 }
4122 } else if (StrCaseCmp(name, "inode") == 0) {
4123 if (determine_size) {
4124 p = talloc_asprintf(
4125 ctx,
4126 "%llu",
4127 (unsigned long long) ino);
4128 if (!p) {
4129 errno = ENOMEM;
4130 return -1;
4131 }
4132 n = strlen(p);
4133 } else {
4134 n = snprintf(buf, bufsize,
4135 "%llu",
4136 (unsigned long long) ino);
4137 }
4138 }
4139
4140 if (!determine_size && n > bufsize) {
4141 errno = ERANGE;
4142 return -1;
4143 }
4144 buf += n;
4145 n_used += n;
4146 bufsize -= n;
4147 }
4148
4149 /* Restore name pointer to its original value */
4150 name -= 16;
4151 }
4152
4153 if (n_used == 0) {
4154 errno = ENOATTR;
4155 return -1;
4156 }
4157
4158 return n_used;
4159 }
4160
4161
4162 /*****************************************************
4163 set the ACLs on a file given an ascii description
4164 *******************************************************/
4165 static int cacl_set(TALLOC_CTX *ctx, struct cli_state *cli,
4166 struct cli_state *ipc_cli, POLICY_HND *pol,
4167 const char *filename, const char *the_acl,
4168 int mode, int flags)
4169 {
4170 int fnum;
4171 int err = 0;
4172 SEC_DESC *sd = NULL, *old;
4173 SEC_ACL *dacl = NULL;
4174 DOM_SID *owner_sid = NULL;
4175 DOM_SID *grp_sid = NULL;
4176 uint32 i, j;
4177 size_t sd_size;
4178 int ret = 0;
4179 char *p;
4180 BOOL numeric = True;
4181
4182 /* the_acl will be null for REMOVE_ALL operations */
4183 if (the_acl) {
4184 numeric = ((p = strchr(the_acl, ':')) != NULL &&
4185 p > the_acl &&
4186 p[-1] != '+');
4187
4188 /* if this is to set the entire ACL... */
4189 if (*the_acl == '*') {
4190 /* ... then increment past the first colon */
4191 the_acl = p + 1;
4192 }
4193
4194 sd = sec_desc_parse(ctx, ipc_cli, pol, numeric,
4195 CONST_DISCARD(char *, the_acl));
4196
4197 if (!sd) {
4198 errno = EINVAL;
4199 return -1;
4200 }
4201 }
4202
4203 /* The desired access below is the only one I could find that works
4204 with NT4, W2KP and Samba */
4205
4206 fnum = cli_nt_create(cli, filename, CREATE_ACCESS_READ);
4207
4208 if (fnum == -1) {
4209 DEBUG(5, ("cacl_set failed to open %s: %s\n",
4210 filename, cli_errstr(cli)));
4211 errno = 0;
4212 return -1;
4213 }
4214
4215 old = cli_query_secdesc(cli, fnum, ctx);
4216
4217 if (!old) {
4218 DEBUG(5, ("cacl_set Failed to query old descriptor\n"));
4219 errno = 0;
4220 return -1;
4221 }
4222
4223 cli_close(cli, fnum);
4224
4225 switch (mode) {
4226 case SMBC_XATTR_MODE_REMOVE_ALL:
4227 old->dacl->num_aces = 0;
4228 SAFE_FREE(old->dacl->ace);
4229 SAFE_FREE(old->dacl);
4230 old->off_dacl = 0;
4231 dacl = old->dacl;
4232 break;
4233
4234 case SMBC_XATTR_MODE_REMOVE:
4235 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
4236 BOOL found = False;
4237
4238 for (j=0;old->dacl && j<old->dacl->num_aces;j++) {
4239 if (sec_ace_equal(&sd->dacl->ace[i],
4240 &old->dacl->ace[j])) {
4241 uint32 k;
4242 for (k=j; k<old->dacl->num_aces-1;k++) {
4243 old->dacl->ace[k] = old->dacl->ace[k+1];
4244 }
4245 old->dacl->num_aces--;
4246 if (old->dacl->num_aces == 0) {
4247 SAFE_FREE(old->dacl->ace);
4248 SAFE_FREE(old->dacl);
4249 old->off_dacl = 0;
4250 }
4251 found = True;
4252 dacl = old->dacl;
4253 break;
4254 }
4255 }
4256
4257 if (!found) {
4258 err = ENOATTR;
4259 ret = -1;
4260 goto failed;
4261 }
4262 }
4263 break;
4264
4265 case SMBC_XATTR_MODE_ADD:
4266 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
4267 BOOL found = False;
4268
4269 for (j=0;old->dacl && j<old->dacl->num_aces;j++) {
4270 if (sid_equal(&sd->dacl->ace[i].trustee,
4271 &old->dacl->ace[j].trustee)) {
4272 if (!(flags & SMBC_XATTR_FLAG_CREATE)) {
4273 err = EEXIST;
4274 ret = -1;
4275 goto failed;
4276 }
4277 old->dacl->ace[j] = sd->dacl->ace[i];
4278 ret = -1;
4279 found = True;
4280 }
4281 }
4282
4283 if (!found && (flags & SMBC_XATTR_FLAG_REPLACE)) {
4284 err = ENOATTR;
4285 ret = -1;
4286 goto failed;
4287 }
4288
4289 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
4290 add_ace(&old->dacl, &sd->dacl->ace[i], ctx);
4291 }
4292 }
4293 dacl = old->dacl;
4294 break;
4295
4296 case SMBC_XATTR_MODE_SET:
4297 old = sd;
4298 owner_sid = old->owner_sid;
4299 grp_sid = old->grp_sid;
4300 dacl = old->dacl;
4301 break;
4302
4303 case SMBC_XATTR_MODE_CHOWN:
4304 owner_sid = sd->owner_sid;
4305 break;
4306
4307 case SMBC_XATTR_MODE_CHGRP:
4308 grp_sid = sd->grp_sid;
4309 break;
4310 }
4311
4312 /* Denied ACE entries must come before allowed ones */
4313 sort_acl(old->dacl);
4314
4315 /* Create new security descriptor and set it */
4316 sd = make_sec_desc(ctx, old->revision, SEC_DESC_SELF_RELATIVE,
4317 owner_sid, grp_sid, NULL, dacl, &sd_size);
4318
4319 fnum = cli_nt_create(cli, filename,
4320 WRITE_DAC_ACCESS | WRITE_OWNER_ACCESS);
4321
4322 if (fnum == -1) {
4323 DEBUG(5, ("cacl_set failed to open %s: %s\n",
4324 filename, cli_errstr(cli)));
4325 errno = 0;
4326 return -1;
4327 }
4328
4329 if (!cli_set_secdesc(cli, fnum, sd)) {
4330 DEBUG(5, ("ERROR: secdesc set failed: %s\n", cli_errstr(cli)));
4331 ret = -1;
4332 }
4333
4334 /* Clean up */
4335
4336 failed:
4337 cli_close(cli, fnum);
4338
4339 if (err != 0) {
4340 errno = err;
4341 }
4342
4343 return ret;
4344 }
4345
4346
4347 int smbc_setxattr_ctx(SMBCCTX *context,
4348 const char *fname,
4349 const char *name,
4350 const void *value,
4351 size_t size,
4352 int flags)
4353 {
4354 int ret;
4355 int ret2;
4356 SMBCSRV *srv;
4357 SMBCSRV *ipc_srv;
4358 fstring server, share, user, password, workgroup;
4359 pstring path;
4360 TALLOC_CTX *ctx;
4361 POLICY_HND pol;
4362 DOS_ATTR_DESC *dad;
4363
4364 if (!context || !context->internal ||
4365 !context->internal->_initialized) {
4366
4367 errno = EINVAL; /* Best I can think of ... */
4368 return -1;
4369
4370 }
4371
4372 if (!fname) {
4373
4374 errno = EINVAL;
4375 return -1;
4376
4377 }
4378
4379 DEBUG(4, ("smbc_setxattr(%s, %s, %.*s)\n", fname, name, (int) size, (const char*)value));
4380
4381 if (smbc_parse_path(context, fname,
4382 server, sizeof(server),
4383 share, sizeof(share),
4384 path, sizeof(path),
4385 user, sizeof(user),
4386 password, sizeof(password),
4387 NULL, 0)) {
4388 errno = EINVAL;
4389 return -1;
4390 }
4391
4392 if (user[0] == (char)0) fstrcpy(user, context->user);
4393
4394 fstrcpy(workgroup, context->workgroup);
4395
4396 srv = smbc_server(context, server, share, workgroup, user, password);
4397 if (!srv) {
4398 return -1; /* errno set by smbc_server */
4399 }
4400
4401 if (! srv->no_nt_session) {
4402 ipc_srv = smbc_attr_server(context, server, share,
4403 workgroup, user, password,
4404 &pol);
4405 srv->no_nt_session = True;
4406 } else {
4407 ipc_srv = NULL;
4408 }
4409
4410 ctx = talloc_init("smbc_setxattr");
4411 if (!ctx) {
4412 errno = ENOMEM;
4413 return -1;
4414 }
4415
4416 /*
4417 * Are they asking to set the entire set of known attributes?
4418 */
4419 if (StrCaseCmp(name, "system.*") == 0 ||
4420 StrCaseCmp(name, "system.*+") == 0) {
4421 /* Yup. */
4422 char *namevalue =
4423 talloc_asprintf(ctx, "%s:%s", name+7, (const char *) value);
4424 if (! namevalue) {
4425 errno = ENOMEM;
4426 ret = -1;
4427 return -1;
4428 }
4429
4430 if (ipc_srv) {
4431 ret = cacl_set(ctx, &srv->cli,
4432 &ipc_srv->cli, &pol, path,
4433 namevalue,
4434 (*namevalue == '*'
4435 ? SMBC_XATTR_MODE_SET
4436 : SMBC_XATTR_MODE_ADD),
4437 flags);
4438 } else {
4439 ret = 0;
4440 }
4441
4442 /* get a DOS Attribute Descriptor with current attributes */
4443 dad = dos_attr_query(context, ctx, path, srv);
4444 if (dad) {
4445 /* Overwrite old with new, using what was provided */
4446 dos_attr_parse(context, dad, srv, namevalue);
4447
4448 /* Set the new DOS attributes */
4449 if (! smbc_setatr(context, srv, path,
4450 dad->c_time,
4451 dad->a_time,
4452 dad->m_time,
4453 dad->mode)) {
4454
4455 /* cause failure if NT failed too */
4456 dad = NULL;
4457 }
4458 }
4459
4460 /* we only fail if both NT and DOS sets failed */
4461 if (ret < 0 && ! dad) {
4462 ret = -1; /* in case dad was null */
4463 }
4464 else {
4465 ret = 0;
4466 }
4467
4468 talloc_destroy(ctx);
4469 return ret;
4470 }
4471
4472 /*
4473 * Are they asking to set an access control element or to set
4474 * the entire access control list?
4475 */
4476 if (StrCaseCmp(name, "system.nt_sec_desc.*") == 0 ||
4477 StrCaseCmp(name, "system.nt_sec_desc.*+") == 0 ||
4478 StrCaseCmp(name, "system.nt_sec_desc.revision") == 0 ||
4479 StrnCaseCmp(name, "system.nt_sec_desc.acl", 22) == 0 ||
4480 StrnCaseCmp(name, "system.nt_sec_desc.acl+", 23) == 0) {
4481
4482 /* Yup. */
4483 char *namevalue =
4484 talloc_asprintf(ctx, "%s:%s", name+19, (const char *) value);
4485
4486 if (! ipc_srv) {
4487 ret = -1; /* errno set by smbc_server() */
4488 }
4489 else if (! namevalue) {
4490 errno = ENOMEM;
4491 ret = -1;
4492 } else {
4493 ret = cacl_set(ctx, &srv->cli,
4494 &ipc_srv->cli, &pol, path,
4495 namevalue,
4496 (*namevalue == '*'
4497 ? SMBC_XATTR_MODE_SET
4498 : SMBC_XATTR_MODE_ADD),
4499 flags);
4500 }
4501 talloc_destroy(ctx);
4502 return ret;
4503 }
4504
4505 /*
4506 * Are they asking to set the owner?
4507 */
4508 if (StrCaseCmp(name, "system.nt_sec_desc.owner") == 0 ||
4509 StrCaseCmp(name, "system.nt_sec_desc.owner+") == 0) {
4510
4511 /* Yup. */
4512 char *namevalue =
4513 talloc_asprintf(ctx, "%s:%s", name+19, (const char *) value);
4514
4515 if (! ipc_srv) {
4516
4517 ret = -1; /* errno set by smbc_server() */
4518 }
4519 else if (! namevalue) {
4520 errno = ENOMEM;
4521 ret = -1;
4522 } else {
4523 ret = cacl_set(ctx, &srv->cli,
4524 &ipc_srv->cli, &pol, path,
4525 namevalue, SMBC_XATTR_MODE_CHOWN, 0);
4526 }
4527 talloc_destroy(ctx);
4528 return ret;
4529 }
4530
4531 /*
4532 * Are they asking to set the group?
4533 */
4534 if (StrCaseCmp(name, "system.nt_sec_desc.group") == 0 ||
4535 StrCaseCmp(name, "system.nt_sec_desc.group+") == 0) {
4536
4537 /* Yup. */
4538 char *namevalue =
4539 talloc_asprintf(ctx, "%s:%s", name+19, (const char *) value);
4540
4541 if (! ipc_srv) {
4542 /* errno set by smbc_server() */
4543 ret = -1;
4544 }
4545 else if (! namevalue) {
4546 errno = ENOMEM;
4547 ret = -1;
4548 } else {
4549 ret = cacl_set(ctx, &srv->cli,
4550 &ipc_srv->cli, &pol, path,
4551 namevalue, SMBC_XATTR_MODE_CHOWN, 0);
4552 }
4553 talloc_destroy(ctx);
4554 return ret;
4555 }
4556
4557 /*
4558 * Are they asking to set a DOS attribute?
4559 */
4560 if (StrCaseCmp(name, "system.dos_attr.*") == 0 ||
4561 StrCaseCmp(name, "system.dos_attr.mode") == 0 ||
4562 StrCaseCmp(name, "system.dos_attr.c_time") == 0 ||
4563 StrCaseCmp(name, "system.dos_attr.a_time") == 0 ||
4564 StrCaseCmp(name, "system.dos_attr.m_time") == 0) {
4565
4566 /* get a DOS Attribute Descriptor with current attributes */
4567 dad = dos_attr_query(context, ctx, path, srv);
4568 if (dad) {
4569 char *namevalue =
4570 talloc_asprintf(ctx, "%s:%s", name+16, (const char *) value);
4571 if (! namevalue) {
4572 errno = ENOMEM;
4573 ret = -1;
4574 } else {
4575 /* Overwrite old with provided new params */
4576 dos_attr_parse(context, dad, srv, namevalue);
4577
4578 /* Set the new DOS attributes */
4579 ret2 = smbc_setatr(context, srv, path,
4580 dad->c_time,
4581 dad->a_time,
4582 dad->m_time,
4583 dad->mode);
4584
4585 /* ret2 has True (success) / False (failure) */
4586 if (ret2) {
4587 ret = 0;
4588 } else {
4589 ret = -1;
4590 }
4591 }
4592 } else {
4593 ret = -1;
4594 }
4595
4596 talloc_destroy(ctx);
4597 return ret;
4598 }
4599
4600 /* Unsupported attribute name */
4601 talloc_destroy(ctx);
4602 errno = EINVAL;
4603 return -1;
4604 }
4605
4606 int smbc_getxattr_ctx(SMBCCTX *context,
4607 const char *fname,
4608 const char *name,
4609 const void *value,
4610 size_t size)
4611 {
4612 int ret;
4613 SMBCSRV *srv;
4614 SMBCSRV *ipc_srv;
4615 fstring server, share, user, password, workgroup;
4616 pstring path;
4617 TALLOC_CTX *ctx;
4618 POLICY_HND pol;
4619
4620
4621 if (!context || !context->internal ||
4622 !context->internal->_initialized) {
4623
4624 errno = EINVAL; /* Best I can think of ... */
4625 return -1;
4626
4627 }
4628
4629 if (!fname) {
4630
4631 errno = EINVAL;
4632 return -1;
4633
4634 }
4635
4636 DEBUG(4, ("smbc_getxattr(%s, %s)\n", fname, name));
4637
4638 if (smbc_parse_path(context, fname,
4639 server, sizeof(server),
4640 share, sizeof(share),
4641 path, sizeof(path),
4642 user, sizeof(user),
4643 password, sizeof(password),
4644 NULL, 0)) {
4645 errno = EINVAL;
4646 return -1;
4647 }
4648
4649 if (user[0] == (char)0) fstrcpy(user, context->user);
4650
4651 fstrcpy(workgroup, context->workgroup);
4652
4653 srv = smbc_server(context, server, share, workgroup, user, password);
4654 if (!srv) {
4655 return -1; /* errno set by smbc_server */
4656 }
4657
4658 if (! srv->no_nt_session) {
4659 ipc_srv = smbc_attr_server(context, server, share,
4660 workgroup, user, password,
4661 &pol);
4662 if (! ipc_srv) {
4663 srv->no_nt_session = True;
4664 }
4665 } else {
4666 ipc_srv = NULL;
4667 }
4668
4669 ctx = talloc_init("smbc:getxattr");
4670 if (!ctx) {
4671 errno = ENOMEM;
4672 return -1;
4673 }
4674
4675 /* Are they requesting a supported attribute? */
4676 if (StrCaseCmp(name, "system.*") == 0 ||
4677 StrnCaseCmp(name, "system.*!", 9) == 0 ||
4678 StrCaseCmp(name, "system.*+") == 0 ||
4679 StrnCaseCmp(name, "system.*+!", 10) == 0 ||
4680 StrCaseCmp(name, "system.nt_sec_desc.*") == 0 ||
4681 StrnCaseCmp(name, "system.nt_sec_desc.*!", 21) == 0 ||
4682 StrCaseCmp(name, "system.nt_sec_desc.*+") == 0 ||
4683 StrnCaseCmp(name, "system.nt_sec_desc.*+!", 22) == 0 ||
4684 StrCaseCmp(name, "system.nt_sec_desc.revision") == 0 ||
4685 StrCaseCmp(name, "system.nt_sec_desc.owner") == 0 ||
4686 StrCaseCmp(name, "system.nt_sec_desc.owner+") == 0 ||
4687 StrCaseCmp(name, "system.nt_sec_desc.group") == 0 ||
4688 StrCaseCmp(name, "system.nt_sec_desc.group+") == 0 ||
4689 StrnCaseCmp(name, "system.nt_sec_desc.acl", 22) == 0 ||
4690 StrnCaseCmp(name, "system.nt_sec_desc.acl+", 23) == 0 ||
4691 StrCaseCmp(name, "system.dos_attr.*") == 0 ||
4692 StrnCaseCmp(name, "system.dos_attr.*!", 18) == 0 ||
4693 StrCaseCmp(name, "system.dos_attr.mode") == 0 ||
4694 StrCaseCmp(name, "system.dos_attr.size") == 0 ||
4695 StrCaseCmp(name, "system.dos_attr.c_time") == 0 ||
4696 StrCaseCmp(name, "system.dos_attr.a_time") == 0 ||
4697 StrCaseCmp(name, "system.dos_attr.m_time") == 0 ||
4698 StrCaseCmp(name, "system.dos_attr.inode") == 0) {
4699
4700 /* Yup. */
4701 ret = cacl_get(context, ctx, srv,
4702 ipc_srv == NULL ? NULL : &ipc_srv->cli,
4703 &pol, path,
4704 CONST_DISCARD(char *, name),
4705 CONST_DISCARD(char *, value), size);
4706 if (ret < 0 && errno == 0) {
4707 errno = smbc_errno(context, &srv->cli);
4708 }
4709 talloc_destroy(ctx);
4710 return ret;
4711 }
4712
4713 /* Unsupported attribute name */
4714 talloc_destroy(ctx);
4715 errno = EINVAL;
4716 return -1;
4717 }
4718
4719
4720 int smbc_removexattr_ctx(SMBCCTX *context,
4721 const char *fname,
4722 const char *name)
4723 {
4724 int ret;
4725 SMBCSRV *srv;
4726 SMBCSRV *ipc_srv;
4727 fstring server, share, user, password, workgroup;
4728 pstring path;
4729 TALLOC_CTX *ctx;
4730 POLICY_HND pol;
4731
4732 if (!context || !context->internal ||
4733 !context->internal->_initialized) {
4734
4735 errno = EINVAL; /* Best I can think of ... */
4736 return -1;
4737
4738 }
4739
4740 if (!fname) {
4741
4742 errno = EINVAL;
4743 return -1;
4744
4745 }
4746
4747 DEBUG(4, ("smbc_removexattr(%s, %s)\n", fname, name));
4748
4749 if (smbc_parse_path(context, fname,
4750 server, sizeof(server),
4751 share, sizeof(share),
4752 path, sizeof(path),
4753 user, sizeof(user),
4754 password, sizeof(password),
4755 NULL, 0)) {
4756 errno = EINVAL;
4757 return -1;
4758 }
4759
4760 if (user[0] == (char)0) fstrcpy(user, context->user);
4761
4762 fstrcpy(workgroup, context->workgroup);
4763
4764 srv = smbc_server(context, server, share, workgroup, user, password);
4765 if (!srv) {
4766 return -1; /* errno set by smbc_server */
4767 }
4768
4769 if (! srv->no_nt_session) {
4770 ipc_srv = smbc_attr_server(context, server, share,
4771 workgroup, user, password,
4772 &pol);
4773 srv->no_nt_session = True;
4774 } else {
4775 ipc_srv = NULL;
4776 }
4777
4778 if (! ipc_srv) {
4779 return -1; /* errno set by smbc_attr_server */
4780 }
4781
4782 ctx = talloc_init("smbc_removexattr");
4783 if (!ctx) {
4784 errno = ENOMEM;
4785 return -1;
4786 }
4787
4788 /* Are they asking to set the entire ACL? */
4789 if (StrCaseCmp(name, "system.nt_sec_desc.*") == 0 ||
4790 StrCaseCmp(name, "system.nt_sec_desc.*+") == 0) {
4791
4792 /* Yup. */
4793 ret = cacl_set(ctx, &srv->cli,
4794 &ipc_srv->cli, &pol, path,
4795 NULL, SMBC_XATTR_MODE_REMOVE_ALL, 0);
4796 talloc_destroy(ctx);
4797 return ret;
4798 }
4799
4800 /*
4801 * Are they asking to remove one or more spceific security descriptor
4802 * attributes?
4803 */
4804 if (StrCaseCmp(name, "system.nt_sec_desc.revision") == 0 ||
4805 StrCaseCmp(name, "system.nt_sec_desc.owner") == 0 ||
4806 StrCaseCmp(name, "system.nt_sec_desc.owner+") == 0 ||
4807 StrCaseCmp(name, "system.nt_sec_desc.group") == 0 ||
4808 StrCaseCmp(name, "system.nt_sec_desc.group+") == 0 ||
4809 StrnCaseCmp(name, "system.nt_sec_desc.acl", 22) == 0 ||
4810 StrnCaseCmp(name, "system.nt_sec_desc.acl+", 23) == 0) {
4811
4812 /* Yup. */
4813 ret = cacl_set(ctx, &srv->cli,
4814 &ipc_srv->cli, &pol, path,
4815 name + 19, SMBC_XATTR_MODE_REMOVE, 0);
4816 talloc_destroy(ctx);
4817 return ret;
4818 }
4819
4820 /* Unsupported attribute name */
4821 talloc_destroy(ctx);
4822 errno = EINVAL;
4823 return -1;
4824 }
4825
4826 int smbc_listxattr_ctx(SMBCCTX *context,
4827 const char *fname,
4828 char *list,
4829 size_t size)
4830 {
4831 /*
4832 * This isn't quite what listxattr() is supposed to do. This returns
4833 * the complete set of attribute names, always, rather than only those
4834 * attribute names which actually exist for a file. Hmmm...
4835 */
4836 const char supported[] =
4837 "system.*\0"
4838 "system.*+\0"
4839 "system.nt_sec_desc.revision\0"
4840 "system.nt_sec_desc.owner\0"
4841 "system.nt_sec_desc.owner+\0"
4842 "system.nt_sec_desc.group\0"
4843 "system.nt_sec_desc.group+\0"
4844 "system.nt_sec_desc.acl.*\0"
4845 "system.nt_sec_desc.acl\0"
4846 "system.nt_sec_desc.acl+\0"
4847 "system.nt_sec_desc.*\0"
4848 "system.nt_sec_desc.*+\0"
4849 "system.dos_attr.*\0"
4850 "system.dos_attr.mode\0"
4851 "system.dos_attr.c_time\0"
4852 "system.dos_attr.a_time\0"
4853 "system.dos_attr.m_time\0"
4854 ;
4855
4856 if (size == 0) {
4857 return sizeof(supported);
4858 }
4859
4860 if (sizeof(supported) > size) {
4861 errno = ERANGE;
4862 return -1;
4863 }
4864
4865 /* this can't be strcpy() because there are embedded null characters */
4866 memcpy(list, supported, sizeof(supported));
4867 return sizeof(supported);
4868 }
4869
4870
4871 /*
4872 * Open a print file to be written to by other calls
4873 */
4874
4875 static SMBCFILE *smbc_open_print_job_ctx(SMBCCTX *context, const char *fname)
4876 {
4877 fstring server, share, user, password;
4878 pstring path;
4879
4880 if (!context || !context->internal ||
4881 !context->internal->_initialized) {
4882
4883 errno = EINVAL;
4884 return NULL;
4885
4886 }
4887
4888 if (!fname) {
4889
4890 errno = EINVAL;
4891 return NULL;
4892
4893 }
4894
4895 DEBUG(4, ("smbc_open_print_job_ctx(%s)\n", fname));
4896
4897 if (smbc_parse_path(context, fname,
4898 server, sizeof(server),
4899 share, sizeof(share),
4900 path, sizeof(path),
4901 user, sizeof(user),
4902 password, sizeof(password),
4903 NULL, 0)) {
4904 errno = EINVAL;
4905 return NULL;
4906 }
4907
4908 /* What if the path is empty, or the file exists? */
4909
4910 return context->open(context, fname, O_WRONLY, 666);
4911
4912 }
4913
4914 /*
4915 * Routine to print a file on a remote server ...
4916 *
4917 * We open the file, which we assume to be on a remote server, and then
4918 * copy it to a print file on the share specified by printq.
4919 */
4920
4921 static int smbc_print_file_ctx(SMBCCTX *c_file, const char *fname, SMBCCTX *c_print, const char *printq)
4922 {
4923 SMBCFILE *fid1, *fid2;
4924 int bytes, saverr, tot_bytes = 0;
4925 char buf[4096];
4926
4927 if (!c_file || !c_file->internal->_initialized || !c_print ||
4928 !c_print->internal->_initialized) {
4929
4930 errno = EINVAL;
4931 return -1;
4932
4933 }
4934
4935 if (!fname && !printq) {
4936
4937 errno = EINVAL;
4938 return -1;
4939
4940 }
4941
4942 /* Try to open the file for reading ... */
4943
4944 if ((int)(fid1 = c_file->open(c_file, fname, O_RDONLY, 0666)) < 0) {
4945
4946 DEBUG(3, ("Error, fname=%s, errno=%i\n", fname, errno));
4947 return -1; /* smbc_open sets errno */
4948
4949 }
4950
4951 /* Now, try to open the printer file for writing */
4952
4953 if ((int)(fid2 = c_print->open_print_job(c_print, printq)) < 0) {
4954
4955 saverr = errno; /* Save errno */
4956 c_file->close_fn(c_file, fid1);
4957 errno = saverr;
4958 return -1;
4959
4960 }
4961
4962 while ((bytes = c_file->read(c_file, fid1, buf, sizeof(buf))) > 0) {
4963
4964 tot_bytes += bytes;
4965
4966 if ((c_print->write(c_print, fid2, buf, bytes)) < 0) {
4967
4968 saverr = errno;
4969 c_file->close_fn(c_file, fid1);
4970 c_print->close_fn(c_print, fid2);
4971 errno = saverr;
4972
4973 }
4974
4975 }
4976
4977 saverr = errno;
4978
4979 c_file->close_fn(c_file, fid1); /* We have to close these anyway */
4980 c_print->close_fn(c_print, fid2);
4981
4982 if (bytes < 0) {
4983
4984 errno = saverr;
4985 return -1;
4986
4987 }
4988
4989 return tot_bytes;
4990
4991 }
4992
4993 /*
4994 * Routine to list print jobs on a printer share ...
4995 */
4996
4997 static int smbc_list_print_jobs_ctx(SMBCCTX *context, const char *fname, smbc_list_print_job_fn fn)
4998 {
4999 SMBCSRV *srv;
5000 fstring server, share, user, password, workgroup;
5001 pstring path;
5002
5003 if (!context || !context->internal ||
5004 !context->internal->_initialized) {
5005
5006 errno = EINVAL;
5007 return -1;
5008
5009 }
5010
5011 if (!fname) {
5012
5013 errno = EINVAL;
5014 return -1;
5015
5016 }
5017
5018 DEBUG(4, ("smbc_list_print_jobs(%s)\n", fname));
5019
5020 if (smbc_parse_path(context, fname,
5021 server, sizeof(server),
5022 share, sizeof(share),
5023 path, sizeof(path),
5024 user, sizeof(user),
5025 password, sizeof(password),
5026 NULL, 0)) {
5027 errno = EINVAL;
5028 return -1;
5029 }
5030
5031 if (user[0] == (char)0) fstrcpy(user, context->user);
5032
5033 fstrcpy(workgroup, context->workgroup);
5034
5035 srv = smbc_server(context, server, share, workgroup, user, password);
5036
5037 if (!srv) {
5038
5039 return -1; /* errno set by smbc_server */
5040
5041 }
5042
5043 if (cli_print_queue(&srv->cli, (void (*)(struct print_job_info *))fn) < 0) {
5044
5045 errno = smbc_errno(context, &srv->cli);
5046 return -1;
5047
5048 }
5049
5050 return 0;
5051
5052 }
5053
5054 /*
5055 * Delete a print job from a remote printer share
5056 */
5057
5058 static int smbc_unlink_print_job_ctx(SMBCCTX *context, const char *fname, int id)
5059 {
5060 SMBCSRV *srv;
5061 fstring server, share, user, password, workgroup;
5062 pstring path;
5063 int err;
5064
5065 if (!context || !context->internal ||
5066 !context->internal->_initialized) {
5067
5068 errno = EINVAL;
5069 return -1;
5070
5071 }
5072
5073 if (!fname) {
5074
5075 errno = EINVAL;
5076 return -1;
5077
5078 }
5079
5080 DEBUG(4, ("smbc_unlink_print_job(%s)\n", fname));
5081
5082 if (smbc_parse_path(context, fname,
5083 server, sizeof(server),
5084 share, sizeof(share),
5085 path, sizeof(path),
5086 user, sizeof(user),
5087 password, sizeof(password),
5088 NULL, 0)) {
5089 errno = EINVAL;
5090 return -1;
5091 }
5092
5093 if (user[0] == (char)0) fstrcpy(user, context->user);
5094
5095 fstrcpy(workgroup, context->workgroup);
5096
5097 srv = smbc_server(context, server, share, workgroup, user, password);
5098
5099 if (!srv) {
5100
5101 return -1; /* errno set by smbc_server */
5102
5103 }
5104
5105 if ((err = cli_printjob_del(&srv->cli, id)) != 0) {
5106
5107 if (err < 0)
5108 errno = smbc_errno(context, &srv->cli);
5109 else if (err == ERRnosuchprintjob)
5110 errno = EINVAL;
5111 return -1;
5112
5113 }
5114
5115 return 0;
5116
5117 }
5118
5119 /*
5120 * Get a new empty handle to fill in with your own info
5121 */
5122 SMBCCTX * smbc_new_context(void)
5123 {
5124 SMBCCTX * context;
5125
5126 context = SMB_MALLOC_P(SMBCCTX);
5127 if (!context) {
5128 errno = ENOMEM;
5129 return NULL;
5130 }
5131
5132 ZERO_STRUCTP(context);
5133
5134 context->internal = SMB_MALLOC_P(struct smbc_internal_data);
5135 if (!context->internal) {
5136 errno = ENOMEM;
5137 return NULL;
5138 }
5139
5140 ZERO_STRUCTP(context->internal);
5141
5142
5143 /* ADD REASONABLE DEFAULTS */
5144 context->debug = 0;
5145 context->timeout = 20000; /* 20 seconds */
5146
5147 context->options.browse_max_lmb_count = 3; /* # LMBs to query */
5148 context->options.urlencode_readdir_entries = False;/* backward compat */
5149 context->options.one_share_per_server = False;/* backward compat */
5150
5151 context->open = smbc_open_ctx;
5152 context->creat = smbc_creat_ctx;
5153 context->read = smbc_read_ctx;
5154 context->write = smbc_write_ctx;
5155 context->close_fn = smbc_close_ctx;
5156 context->unlink = smbc_unlink_ctx;
5157 context->rename = smbc_rename_ctx;
5158 context->lseek = smbc_lseek_ctx;
5159 context->stat = smbc_stat_ctx;
5160 context->fstat = smbc_fstat_ctx;
5161 context->opendir = smbc_opendir_ctx;
5162 context->closedir = smbc_closedir_ctx;
5163 context->readdir = smbc_readdir_ctx;
5164 context->getdents = smbc_getdents_ctx;
5165 context->mkdir = smbc_mkdir_ctx;
5166 context->rmdir = smbc_rmdir_ctx;
5167 context->telldir = smbc_telldir_ctx;
5168 context->lseekdir = smbc_lseekdir_ctx;
5169 context->fstatdir = smbc_fstatdir_ctx;
5170 context->chmod = smbc_chmod_ctx;
5171 context->utimes = smbc_utimes_ctx;
5172 context->setxattr = smbc_setxattr_ctx;
5173 context->getxattr = smbc_getxattr_ctx;
5174 context->removexattr = smbc_removexattr_ctx;
5175 context->listxattr = smbc_listxattr_ctx;
5176 context->open_print_job = smbc_open_print_job_ctx;
5177 context->print_file = smbc_print_file_ctx;
5178 context->list_print_jobs = smbc_list_print_jobs_ctx;
5179 context->unlink_print_job = smbc_unlink_print_job_ctx;
5180
5181 context->callbacks.check_server_fn = smbc_check_server;
5182 context->callbacks.remove_unused_server_fn = smbc_remove_unused_server;
5183
5184 smbc_default_cache_functions(context);
5185
5186 return context;
5187 }
5188
5189 /*
5190 * Free a context
5191 *
5192 * Returns 0 on success. Otherwise returns 1, the SMBCCTX is _not_ freed
5193 * and thus you'll be leaking memory if not handled properly.
5194 *
5195 */
5196 int smbc_free_context(SMBCCTX * context, int shutdown_ctx)
5197 {
5198 if (!context) {
5199 errno = EBADF;
5200 return 1;
5201 }
5202
5203 if (shutdown_ctx) {
5204 SMBCFILE * f;
5205 DEBUG(1,("Performing aggressive shutdown.\n"));
5206
5207 f = context->internal->_files;
5208 while (f) {
5209 context->close_fn(context, f);
5210 f = f->next;
5211 }
5212 context->internal->_files = NULL;
5213
5214 /* First try to remove the servers the nice way. */
5215 if (context->callbacks.purge_cached_fn(context)) {
5216 SMBCSRV * s;
5217 SMBCSRV * next;
5218 DEBUG(1, ("Could not purge all servers, Nice way shutdown failed.\n"));
5219 s = context->internal->_servers;
5220 while (s) {
5221 DEBUG(1, ("Forced shutdown: %p (fd=%d)\n", s, s->cli.fd));
5222 cli_shutdown(&s->cli);
5223 context->callbacks.remove_cached_srv_fn(context, s);
5224 next = s->next;
5225 DLIST_REMOVE(context->internal->_servers, s);
5226 SAFE_FREE(s);
5227 s = next;
5228 }
5229 context->internal->_servers = NULL;
5230 }
5231 }
5232 else {
5233 /* This is the polite way */
5234 if (context->callbacks.purge_cached_fn(context)) {
5235 DEBUG(1, ("Could not purge all servers, free_context failed.\n"));
5236 errno = EBUSY;
5237 return 1;
5238 }
5239 if (context->internal->_servers) {
5240 DEBUG(1, ("Active servers in context, free_context failed.\n"));
5241 errno = EBUSY;
5242 return 1;
5243 }
5244 if (context->internal->_files) {
5245 DEBUG(1, ("Active files in context, free_context failed.\n"));
5246 errno = EBUSY;
5247 return 1;
5248 }
5249 }
5250
5251 /* Things we have to clean up */
5252 SAFE_FREE(context->workgroup);
5253 SAFE_FREE(context->netbios_name);
5254 SAFE_FREE(context->user);
5255
5256 DEBUG(3, ("Context %p succesfully freed\n", context));
5257 SAFE_FREE(context->internal);
5258 SAFE_FREE(context);
5259 return 0;
5260 }
5261
5262
5263 /*
5264 * Initialise the library etc
5265 *
5266 * We accept a struct containing handle information.
5267 * valid values for info->debug from 0 to 100,
5268 * and insist that info->fn must be non-null.
5269 */
5270 SMBCCTX * smbc_init_context(SMBCCTX * context)
5271 {
5272 pstring conf;
5273 int pid;
5274 char *user = NULL, *home = NULL;
5275
5276 if (!context || !context->internal) {
5277 errno = EBADF;
5278 return NULL;
5279 }
5280
5281 /* Do not initialise the same client twice */
5282 if (context->internal->_initialized) {
5283 return 0;
5284 }
5285
5286 if (!context->callbacks.auth_fn || context->debug < 0 || context->debug > 100) {
5287
5288 errno = EINVAL;
5289 return NULL;
5290
5291 }
5292
5293 if (!smbc_initialized) {
5294 /* Do some library wide intialisations the first time we get called */
5295
5296 /* Set this to what the user wants */
5297 DEBUGLEVEL = context->debug;
5298
5299 setup_logging( "libsmbclient", True);
5300
5301 /* Here we would open the smb.conf file if needed ... */
5302
5303 home = getenv("HOME");
5304
5305 slprintf(conf, sizeof(conf), "%s/.smb/smb.conf", home);
5306
5307 load_interfaces(); /* Load the list of interfaces ... */
5308
5309 in_client = True; /* FIXME, make a param */
5310
5311 if (!lp_load(conf, True, False, False)) {
5312
5313 /*
5314 * Well, if that failed, try the dyn_CONFIGFILE
5315 * Which points to the standard locn, and if that
5316 * fails, silently ignore it and use the internal
5317 * defaults ...
5318 */
5319
5320 if (!lp_load(dyn_CONFIGFILE, True, False, False)) {
5321 DEBUG(5, ("Could not load either config file: "
5322 "%s or %s\n",
5323 conf, dyn_CONFIGFILE));
5324 } else {
5325 /*
5326 * We loaded the global config file. Now lets
5327 * load user-specific modifications to the
5328 * global config.
5329 */
5330 slprintf(conf, sizeof(conf),
5331 "%s/.smb/smb.conf.append", home);
5332 if (!lp_load(conf, True, False, False)) {
5333 DEBUG(10,
5334 ("Could not append config file: "
5335 "%s\n",
5336 conf));
5337 }
5338 }
5339 }
5340
5341 reopen_logs(); /* Get logging working ... */
5342
5343 /*
5344 * Block SIGPIPE (from lib/util_sock.c: write())
5345 * It is not needed and should not stop execution
5346 */
5347 BlockSignals(True, SIGPIPE);
5348
5349 /* Done with one-time initialisation */
5350 smbc_initialized = 1;
5351
5352 }
5353
5354 if (!context->user) {
5355 /*
5356 * FIXME: Is this the best way to get the user info?
5357 */
5358 user = getenv("USER");
5359 /* walk around as "guest" if no username can be found */
5360 if (!user) context->user = SMB_STRDUP("guest");
5361 else context->user = SMB_STRDUP(user);
5362 }
5363
5364 if (!context->netbios_name) {
5365 /*
5366 * We try to get our netbios name from the config. If that fails we fall
5367 * back on constructing our netbios name from our hostname etc
5368 */
5369 if (global_myname()) {
5370 context->netbios_name = SMB_STRDUP(global_myname());
5371 }
5372 else {
5373 /*
5374 * Hmmm, I want to get hostname as well, but I am too lazy for the moment
5375 */
5376 pid = sys_getpid();
5377 context->netbios_name = SMB_MALLOC(17);
5378 if (!context->netbios_name) {
5379 errno = ENOMEM;
5380 return NULL;
5381 }
5382 slprintf(context->netbios_name, 16, "smbc%s%d", context->user, pid);
5383 }
5384 }
5385
5386 DEBUG(1, ("Using netbios name %s.\n", context->netbios_name));
5387
5388 if (!context->workgroup) {
5389 if (lp_workgroup()) {
5390 context->workgroup = SMB_STRDUP(lp_workgroup());
5391 }
5392 else {
5393 /* TODO: Think about a decent default workgroup */
5394 context->workgroup = SMB_STRDUP("samba");
5395 }
5396 }
5397
5398 DEBUG(1, ("Using workgroup %s.\n", context->workgroup));
5399
5400 /* shortest timeout is 1 second */
5401 if (context->timeout > 0 && context->timeout < 1000)
5402 context->timeout = 1000;
5403
5404 /*
5405 * FIXME: Should we check the function pointers here?
5406 */
5407
5408 context->internal->_initialized = 1;
5409
5410 return context;
5411 }
5412
5413
5414 /* Return the verion of samba, and thus libsmbclient */
5415 const char *
5416 smbc_version(void)
5417 {
5418 return samba_version_string();
5419 }