?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
Modified fix for bugid #784. Based on a patch from moriyama@miraclelinux.com (MORIYAM...
[Samba/gebeck_regimport.git] / source3 / libsmb / libsmbclient.c
blob35e8a9786b134b64e78ef1e56227768063c649f0
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
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 * Internal flags for extended attributes
31 */
32
33 /* internal mode values */
34 #define SMBC_XATTR_MODE_ADD 1
35 #define SMBC_XATTR_MODE_REMOVE 2
36 #define SMBC_XATTR_MODE_REMOVE_ALL 3
37 #define SMBC_XATTR_MODE_SET 4
38 #define SMBC_XATTR_MODE_CHOWN 5
39 #define SMBC_XATTR_MODE_CHGRP 6
40
41 #define CREATE_ACCESS_READ READ_CONTROL_ACCESS
42
43 /*We should test for this in configure ... */
44 #ifndef ENOTSUP
45 #define ENOTSUP EOPNOTSUPP
46 #endif
47
48 /*
49 * Functions exported by libsmb_cache.c that we need here
50 */
51 int smbc_default_cache_functions(SMBCCTX *context);
52
53 /*
54 * check if an element is part of the list.
55 * FIXME: Does not belong here !
56 * Can anyone put this in a macro in dlinklist.h ?
57 * -- Tom
58 */
59 static int DLIST_CONTAINS(SMBCFILE * list, SMBCFILE *p) {
60 if (!p || !list) return False;
61 do {
62 if (p == list) return True;
63 list = list->next;
64 } while (list);
65 return False;
66 }
67
68 extern BOOL in_client;
69
70 /*
71 * Is the logging working / configfile read ?
72 */
73 static int smbc_initialized = 0;
74
75 static int
76 hex2int( unsigned int _char )
77 {
78 if ( _char >= 'A' && _char <='F')
79 return _char - 'A' + 10;
80 if ( _char >= 'a' && _char <='f')
81 return _char - 'a' + 10;
82 if ( _char >= '0' && _char <='9')
83 return _char - '0';
84 return -1;
85 }
86
87 static void
88 decode_urlpart(char *segment, size_t sizeof_segment)
89 {
90 int old_length = strlen(segment);
91 int new_length = 0;
92 int new_length2 = 0;
93 int i = 0;
94 pstring new_segment;
95 char *new_usegment = 0;
96
97 if ( !old_length ) {
98 return;
99 }
100
101 /* make a copy of the old one */
102 new_usegment = (char*)malloc( old_length * 3 + 1 );
103
104 while( i < old_length ) {
105 int bReencode = False;
106 unsigned char character = segment[ i++ ];
107 if ((character <= ' ') || (character > 127))
108 bReencode = True;
109
110 new_usegment [ new_length2++ ] = character;
111 if (character == '%' ) {
112 int a = i+1 < old_length ? hex2int( segment[i] ) : -1;
113 int b = i+1 < old_length ? hex2int( segment[i+1] ) : -1;
114 if ((a == -1) || (b == -1)) { /* Only replace if sequence is valid */
115 /* Contains stray %, make sure to re-encode! */
116 bReencode = True;
117 } else {
118 /* Valid %xx sequence */
119 character = a * 16 + b; /* Replace with value of %dd */
120 if (!character)
121 break; /* Stop at %00 */
122
123 new_usegment [ new_length2++ ] = (unsigned char) segment[i++];
124 new_usegment [ new_length2++ ] = (unsigned char) segment[i++];
125 }
126 }
127 if (bReencode) {
128 unsigned int c = character / 16;
129 new_length2--;
130 new_usegment [ new_length2++ ] = '%';
131
132 c += (c > 9) ? ('A' - 10) : '0';
133 new_usegment[ new_length2++ ] = c;
134
135 c = character % 16;
136 c += (c > 9) ? ('A' - 10) : '0';
137 new_usegment[ new_length2++ ] = c;
138 }
139
140 new_segment [ new_length++ ] = character;
141 }
142 new_segment [ new_length ] = 0;
143
144 free(new_usegment);
145
146 /* realloc it with unix charset */
147 pull_utf8_allocate(&new_usegment, new_segment);
148
149 /* this assumes (very safely) that removing %aa sequences
150 only shortens the string */
151 strncpy(segment, new_usegment, sizeof_segment);
152
153 free(new_usegment);
154 }
155
156 /*
157 * Function to parse a path and turn it into components
158 *
159 * We accept smb://[[[domain;]user[:password@]]server[/share[/path[/file]]]]
160 *
161 * smb:// means show all the workgroups
162 * smb://name/ means, if name<1D> or name<1B> exists, list servers in workgroup,
163 * else, if name<20> exists, list all shares for server ...
164 */
165
166 static const char *smbc_prefix = "smb:";
167
168 static int
169 smbc_parse_path(SMBCCTX *context, const char *fname, char *server, char *share, char *path,
170 char *user, char *password) /* FIXME, lengths of strings */
171 {
172 static pstring s;
173 pstring userinfo;
174 const char *p;
175 char *q, *r;
176 int len;
177
178 server[0] = share[0] = path[0] = user[0] = password[0] = (char)0;
179 pstrcpy(s, fname);
180
181 /* clean_fname(s); causing problems ... */
182
183 /* see if it has the right prefix */
184 len = strlen(smbc_prefix);
185 if (strncmp(s,smbc_prefix,len) || (s[len] != '/' && s[len] != 0)) {
186 return -1; /* What about no smb: ? */
187 }
188
189 p = s + len;
190
191 /* Watch the test below, we are testing to see if we should exit */
192
193 if (strncmp(p, "//", 2) && strncmp(p, "\\\\", 2)) {
194
195 return -1;
196
197 }
198
199 p += 2; /* Skip the // or \\ */
200
201 if (*p == (char)0)
202 goto decoding;
203
204 if (*p == '/') {
205
206 strncpy(server, context->workgroup,
207 (strlen(context->workgroup) < 16)?strlen(context->workgroup):16);
208 return 0;
209
210 }
211
212 /*
213 * ok, its for us. Now parse out the server, share etc.
214 *
215 * However, we want to parse out [[domain;]user[:password]@] if it
216 * exists ...
217 */
218
219 /* check that '@' occurs before '/', if '/' exists at all */
220 q = strchr_m(p, '@');
221 r = strchr_m(p, '/');
222 if (q && (!r || q < r)) {
223 pstring username, passwd, domain;
224 const char *u = userinfo;
225
226 next_token(&p, userinfo, "@", sizeof(fstring));
227
228 username[0] = passwd[0] = domain[0] = 0;
229
230 if (strchr_m(u, ';')) {
231
232 next_token(&u, domain, ";", sizeof(fstring));
233
234 }
235
236 if (strchr_m(u, ':')) {
237
238 next_token(&u, username, ":", sizeof(fstring));
239
240 pstrcpy(passwd, u);
241
242 }
243 else {
244
245 pstrcpy(username, u);
246
247 }
248
249 if (username[0])
250 strncpy(user, username, sizeof(fstring)); /* FIXME, size and domain */
251
252 if (passwd[0])
253 strncpy(password, passwd, sizeof(fstring)); /* FIXME, size */
254
255 }
256
257 if (!next_token(&p, server, "/", sizeof(fstring))) {
258
259 return -1;
260
261 }
262
263 if (*p == (char)0) goto decoding; /* That's it ... */
264
265 if (!next_token(&p, share, "/", sizeof(fstring))) {
266
267 return -1;
268
269 }
270
271 pstrcpy(path, p);
272
273 all_string_sub(path, "/", "\\", 0);
274
275 decoding:
276 decode_urlpart(path, sizeof(pstring));
277 decode_urlpart(server, sizeof(fstring));
278 decode_urlpart(share, sizeof(fstring));
279 decode_urlpart(user, sizeof(fstring));
280 decode_urlpart(password, sizeof(fstring));
281
282 return 0;
283 }
284
285 /*
286 * Convert an SMB error into a UNIX error ...
287 */
288
289 static int smbc_errno(SMBCCTX *context, struct cli_state *c)
290 {
291 int ret = cli_errno(c);
292
293 if (cli_is_dos_error(c)) {
294 uint8 eclass;
295 uint32 ecode;
296
297 cli_dos_error(c, &eclass, &ecode);
298
299 DEBUG(3,("smbc_error %d %d (0x%x) -> %d\n",
300 (int)eclass, (int)ecode, (int)ecode, ret));
301 } else {
302 NTSTATUS status;
303
304 status = cli_nt_error(c);
305
306 DEBUG(3,("smbc errno %s -> %d\n",
307 nt_errstr(status), ret));
308 }
309
310 return ret;
311 }
312
313 /*
314 * Check a server_fd.
315 * returns 0 if the server is in shape. Returns 1 on error
316 *
317 * Also useable outside libsmbclient to enable external cache
318 * to do some checks too.
319 */
320 int smbc_check_server(SMBCCTX * context, SMBCSRV * server)
321 {
322 if ( send_keepalive(server->cli.fd) == False )
323 return 1;
324
325 /* connection is ok */
326 return 0;
327 }
328
329 /*
330 * Remove a server from the cached server list it's unused.
331 * On success, 0 is returned. 1 is returned if the server could not be removed.
332 *
333 * Also useable outside libsmbclient
334 */
335 int smbc_remove_unused_server(SMBCCTX * context, SMBCSRV * srv)
336 {
337 SMBCFILE * file;
338
339 /* are we being fooled ? */
340 if (!context || !context->internal ||
341 !context->internal->_initialized || !srv) return 1;
342
343
344 /* Check all open files/directories for a relation with this server */
345 for (file = context->internal->_files; file; file=file->next) {
346 if (file->srv == srv) {
347 /* Still used */
348 DEBUG(3, ("smbc_remove_usused_server: %p still used by %p.\n",
349 srv, file));
350 return 1;
351 }
352 }
353
354 DLIST_REMOVE(context->internal->_servers, srv);
355
356 cli_shutdown(&srv->cli);
357
358 DEBUG(3, ("smbc_remove_usused_server: %p removed.\n", srv));
359
360 context->callbacks.remove_cached_srv_fn(context, srv);
361
362 SAFE_FREE(srv);
363
364 return 0;
365 }
366
367 SMBCSRV *find_server(SMBCCTX *context,
368 const char *server,
369 const char *share,
370 fstring workgroup,
371 fstring username,
372 fstring password)
373 {
374 SMBCSRV *srv;
375 int auth_called = 0;
376
377 check_server_cache:
378
379 srv = context->callbacks.get_cached_srv_fn(context, server, share,
380 workgroup, username);
381
382 if (!auth_called && !srv && (!username[0] || !password[0])) {
383 context->callbacks.auth_fn(server, share,
384 workgroup, sizeof(fstring),
385 username, sizeof(fstring),
386 password, sizeof(fstring));
387 /*
388 * However, smbc_auth_fn may have picked up info relating to
389 * an existing connection, so try for an existing connection
390 * again ...
391 */
392 auth_called = 1;
393 goto check_server_cache;
394
395 }
396
397 if (srv) {
398 if (context->callbacks.check_server_fn(context, srv)) {
399 /*
400 * This server is no good anymore
401 * Try to remove it and check for more possible
402 * servers in the cache
403 */
404 if (context->callbacks.remove_unused_server_fn(context,
405 srv)) {
406 /*
407 * We could not remove the server completely,
408 * remove it from the cache so we will not get
409 * it again. It will be removed when the last
410 * file/dir is closed.
411 */
412 context->callbacks.remove_cached_srv_fn(context,
413 srv);
414 }
415
416 /*
417 * Maybe there are more cached connections to this
418 * server
419 */
420 goto check_server_cache;
421 }
422 return srv;
423 }
424
425 return NULL;
426 }
427
428 /*
429 * Connect to a server, possibly on an existing connection
430 *
431 * Here, what we want to do is: If the server and username
432 * match an existing connection, reuse that, otherwise, establish a
433 * new connection.
434 *
435 * If we have to create a new connection, call the auth_fn to get the
436 * info we need, unless the username and password were passed in.
437 */
438
439 SMBCSRV *smbc_server(SMBCCTX *context,
440 const char *server, const char *share,
441 fstring workgroup, fstring username,
442 fstring password)
443 {
444 SMBCSRV *srv=NULL;
445 struct cli_state c;
446 struct nmb_name called, calling;
447 char *p;
448 const char *server_n = server;
449 fstring group;
450 pstring ipenv;
451 struct in_addr ip;
452 int tried_reverse = 0;
453
454 zero_ip(&ip);
455 ZERO_STRUCT(c);
456
457 if (server[0] == 0) {
458 errno = EPERM;
459 return NULL;
460 }
461
462 srv = find_server(context, server, share,
463 workgroup, username, password);
464 if (srv)
465 return srv;
466
467 make_nmb_name(&calling, context->netbios_name, 0x0);
468 make_nmb_name(&called , server, 0x20);
469
470 DEBUG(4,("smbc_server: server_n=[%s] server=[%s]\n", server_n, server));
471
472 if ((p=strchr_m(server_n,'#')) &&
473 (strcmp(p+1,"1D")==0 || strcmp(p+1,"01")==0)) {
474
475 fstrcpy(group, server_n);
476 p = strchr_m(group,'#');
477 *p = 0;
478
479 }
480
481 DEBUG(4,(" -> server_n=[%s] server=[%s]\n", server_n, server));
482
483 again:
484 slprintf(ipenv,sizeof(ipenv)-1,"HOST_%s", server_n);
485
486 zero_ip(&ip);
487
488 /* have to open a new connection */
489 if (!cli_initialise(&c)) {
490 errno = ENOMEM;
491 return NULL;
492 }
493
494 c.timeout = context->timeout;
495
496 /* Force use of port 139 for first try, so browse lists can work */
497 c.port = 139;
498
499 if (!cli_connect(&c, server_n, &ip)) {
500 /*
501 * Port 139 connection failed. Try port 445 to handle
502 * connections to newer (e.g. XP) hosts with NetBIOS disabled.
503 */
504 c.port = 445;
505 if (!cli_connect(&c, server_n, &ip)) {
506 cli_shutdown(&c);
507 errno = ENETUNREACH;
508 return NULL;
509 }
510 }
511
512 if (!cli_session_request(&c, &calling, &called)) {
513 cli_shutdown(&c);
514 if (strcmp(called.name, "*SMBSERVER")) {
515 make_nmb_name(&called , "*SMBSERVER", 0x20);
516 goto again;
517 }
518 else { /* Try one more time, but ensure we don't loop */
519
520 /* Only try this if server is an IP address ... */
521
522 if (is_ipaddress(server) && !tried_reverse) {
523 fstring remote_name;
524 struct in_addr rem_ip;
525
526 if ((rem_ip.s_addr=inet_addr(server)) == INADDR_NONE) {
527 DEBUG(4, ("Could not convert IP address %s to struct in_addr\n", server));
528 errno = ENOENT;
529 return NULL;
530 }
531
532 tried_reverse++; /* Yuck */
533
534 if (name_status_find("*", 0, 0, rem_ip, remote_name)) {
535 make_nmb_name(&called, remote_name, 0x20);
536 goto again;
537 }
538
539
540 }
541 }
542 errno = ENOENT;
543 return NULL;
544 }
545
546 DEBUG(4,(" session request ok\n"));
547
548 if (!cli_negprot(&c)) {
549 cli_shutdown(&c);
550 errno = ENOENT;
551 return NULL;
552 }
553
554 if (!cli_session_setup(&c, username,
555 password, strlen(password),
556 password, strlen(password),
557 workgroup) &&
558 /* try an anonymous login if it failed */
559 !cli_session_setup(&c, "", "", 1,"", 0, workgroup)) {
560 cli_shutdown(&c);
561 errno = EPERM;
562 return NULL;
563 }
564
565 DEBUG(4,(" session setup ok\n"));
566
567 if (!cli_send_tconX(&c, share, "?????",
568 password, strlen(password)+1)) {
569 errno = smbc_errno(context, &c);
570 cli_shutdown(&c);
571 return NULL;
572 }
573
574 DEBUG(4,(" tconx ok\n"));
575
576 /*
577 * Ok, we have got a nice connection
578 * Let's find a free server_fd
579 */
580
581 srv = (SMBCSRV *)malloc(sizeof(*srv));
582 if (!srv) {
583 errno = ENOMEM;
584 goto failed;
585 }
586
587 ZERO_STRUCTP(srv);
588 srv->cli = c;
589 srv->dev = (dev_t)(str_checksum(server) ^ str_checksum(share));
590
591 /* now add it to the cache (internal or external) */
592 if (context->callbacks.add_cached_srv_fn(context, srv, server, share, workgroup, username)) {
593 DEBUG(3, (" Failed to add server to cache\n"));
594 goto failed;
595 }
596
597
598 DEBUG(2, ("Server connect ok: //%s/%s: %p\n",
599 server, share, srv));
600
601 return srv;
602
603 failed:
604 cli_shutdown(&c);
605 if (!srv) return NULL;
606
607 SAFE_FREE(srv);
608 return NULL;
609 }
610
611 /*
612 * Connect to a server for getting/setting attributes, possibly on an existing
613 * connection. This works similarly to smbc_server().
614 */
615 SMBCSRV *smbc_attr_server(SMBCCTX *context,
616 const char *server, const char *share,
617 fstring workgroup,
618 fstring username, fstring password,
619 POLICY_HND *pol)
620 {
621 struct in_addr ip;
622 struct cli_state *ipc_cli;
623 NTSTATUS nt_status;
624 SMBCSRV *ipc_srv=NULL;
625
626 /*
627 * See if we've already created this special connection. Reference
628 * our "special" share name 'IPC$$'.
629 */
630 ipc_srv = find_server(context, server, "IPC$$",
631 workgroup, username, password);
632 if (!ipc_srv) {
633
634 /* We didn't find a cached connection. Get the password */
635 if (*password == '\0') {
636 /* ... then retrieve it now. */
637 context->callbacks.auth_fn(server, share,
638 workgroup, sizeof(fstring),
639 username, sizeof(fstring),
640 password, sizeof(fstring));
641 }
642
643 zero_ip(&ip);
644 nt_status = cli_full_connection(&ipc_cli,
645 global_myname(), server,
646 &ip, 0, "IPC$", "?????",
647 username, workgroup,
648 password, 0,
649 Undefined, NULL);
650 if (! NT_STATUS_IS_OK(nt_status)) {
651 DEBUG(0,("cli_full_connection failed! (%s)\n",
652 nt_errstr(nt_status)));
653 errno = ENOTSUP;
654 return NULL;
655 }
656
657 if (!cli_nt_session_open(ipc_cli, PI_LSARPC)) {
658 DEBUG(0, ("cli_nt_session_open fail! (%s)\n",
659 nt_errstr(nt_status)));
660 errno = ENOTSUP;
661 free(ipc_cli);
662 return NULL;
663 }
664
665 /* Some systems don't support SEC_RIGHTS_MAXIMUM_ALLOWED,
666 but NT sends 0x2000000 so we might as well do it too. */
667
668 nt_status = cli_lsa_open_policy(ipc_cli,
669 ipc_cli->mem_ctx,
670 True,
671 GENERIC_EXECUTE_ACCESS,
672 pol);
673
674 if (!NT_STATUS_IS_OK(nt_status)) {
675 errno = smbc_errno(context, ipc_cli);
676 free(ipc_cli);
677 return NULL;
678 }
679
680 ipc_srv = (SMBCSRV *)malloc(sizeof(*ipc_srv));
681 if (!ipc_srv) {
682 errno = ENOMEM;
683 free(ipc_cli);
684 return NULL;
685 }
686
687 ZERO_STRUCTP(ipc_srv);
688 ipc_srv->cli = *ipc_cli;
689
690 free(ipc_cli);
691
692 /* now add it to the cache (internal or external) */
693 if (context->callbacks.add_cached_srv_fn(context, ipc_srv,
694 server,
695 "IPC$$",
696 workgroup,
697 username)) {
698 DEBUG(3, (" Failed to add server to cache\n"));
699 return NULL;
700 }
701 }
702
703 return ipc_srv;
704 }
705
706 /*
707 * Routine to open() a file ...
708 */
709
710 static SMBCFILE *smbc_open_ctx(SMBCCTX *context, const char *fname, int flags, mode_t mode)
711 {
712 fstring server, share, user, password, workgroup;
713 pstring path;
714 SMBCSRV *srv = NULL;
715 SMBCFILE *file = NULL;
716 int fd;
717
718 if (!context || !context->internal ||
719 !context->internal->_initialized) {
720
721 errno = EINVAL; /* Best I can think of ... */
722 return NULL;
723
724 }
725
726 if (!fname) {
727
728 errno = EINVAL;
729 return NULL;
730
731 }
732
733 smbc_parse_path(context, fname, server, share, path, user, password); /* FIXME, check errors */
734
735 if (user[0] == (char)0) fstrcpy(user, context->user);
736
737 fstrcpy(workgroup, context->workgroup);
738
739 srv = smbc_server(context, server, share, workgroup, user, password);
740
741 if (!srv) {
742
743 if (errno == EPERM) errno = EACCES;
744 return NULL; /* smbc_server sets errno */
745
746 }
747
748 /* Hmmm, the test for a directory is suspect here ... FIXME */
749
750 if (strlen(path) > 0 && path[strlen(path) - 1] == '\\') {
751
752 fd = -1;
753
754 }
755 else {
756
757 file = malloc(sizeof(SMBCFILE));
758
759 if (!file) {
760
761 errno = ENOMEM;
762 return NULL;
763
764 }
765
766 ZERO_STRUCTP(file);
767
768 if ((fd = cli_open(&srv->cli, path, flags, DENY_NONE)) < 0) {
769
770 /* Handle the error ... */
771
772 SAFE_FREE(file);
773 errno = smbc_errno(context, &srv->cli);
774 return NULL;
775
776 }
777
778 /* Fill in file struct */
779
780 file->cli_fd = fd;
781 file->fname = strdup(fname);
782 file->srv = srv;
783 file->offset = 0;
784 file->file = True;
785
786 DLIST_ADD(context->internal->_files, file);
787 return file;
788
789 }
790
791 /* Check if opendir needed ... */
792
793 if (fd == -1) {
794 int eno = 0;
795
796 eno = smbc_errno(context, &srv->cli);
797 file = context->opendir(context, fname);
798 if (!file) errno = eno;
799 return file;
800
801 }
802
803 errno = EINVAL; /* FIXME, correct errno ? */
804 return NULL;
805
806 }
807
808 /*
809 * Routine to create a file
810 */
811
812 static int creat_bits = O_WRONLY | O_CREAT | O_TRUNC; /* FIXME: Do we need this */
813
814 static SMBCFILE *smbc_creat_ctx(SMBCCTX *context, const char *path, mode_t mode)
815 {
816
817 if (!context || !context->internal ||
818 !context->internal->_initialized) {
819
820 errno = EINVAL;
821 return NULL;
822
823 }
824
825 return smbc_open_ctx(context, path, creat_bits, mode);
826 }
827
828 /*
829 * Routine to read() a file ...
830 */
831
832 static ssize_t smbc_read_ctx(SMBCCTX *context, SMBCFILE *file, void *buf, size_t count)
833 {
834 int ret;
835
836 if (!context || !context->internal ||
837 !context->internal->_initialized) {
838
839 errno = EINVAL;
840 return -1;
841
842 }
843
844 DEBUG(4, ("smbc_read(%p, %d)\n", file, (int)count));
845
846 if (!file || !DLIST_CONTAINS(context->internal->_files, file)) {
847
848 errno = EBADF;
849 return -1;
850
851 }
852
853 /* Check that the buffer exists ... */
854
855 if (buf == NULL) {
856
857 errno = EINVAL;
858 return -1;
859
860 }
861
862 ret = cli_read(&file->srv->cli, file->cli_fd, buf, file->offset, count);
863
864 if (ret < 0) {
865
866 errno = smbc_errno(context, &file->srv->cli);
867 return -1;
868
869 }
870
871 file->offset += ret;
872
873 DEBUG(4, (" --> %d\n", ret));
874
875 return ret; /* Success, ret bytes of data ... */
876
877 }
878
879 /*
880 * Routine to write() a file ...
881 */
882
883 static ssize_t smbc_write_ctx(SMBCCTX *context, SMBCFILE *file, void *buf, size_t count)
884 {
885 int ret;
886
887 if (!context || !context->internal ||
888 !context->internal->_initialized) {
889
890 errno = EINVAL;
891 return -1;
892
893 }
894
895 if (!file || !DLIST_CONTAINS(context->internal->_files, file)) {
896
897 errno = EBADF;
898 return -1;
899
900 }
901
902 /* Check that the buffer exists ... */
903
904 if (buf == NULL) {
905
906 errno = EINVAL;
907 return -1;
908
909 }
910
911 ret = cli_write(&file->srv->cli, file->cli_fd, 0, buf, file->offset, count);
912
913 if (ret <= 0) {
914
915 errno = smbc_errno(context, &file->srv->cli);
916 return -1;
917
918 }
919
920 file->offset += ret;
921
922 return ret; /* Success, 0 bytes of data ... */
923 }
924
925 /*
926 * Routine to close() a file ...
927 */
928
929 static int smbc_close_ctx(SMBCCTX *context, SMBCFILE *file)
930 {
931 SMBCSRV *srv;
932
933 if (!context || !context->internal ||
934 !context->internal->_initialized) {
935
936 errno = EINVAL;
937 return -1;
938
939 }
940
941 if (!file || !DLIST_CONTAINS(context->internal->_files, file)) {
942
943 errno = EBADF;
944 return -1;
945
946 }
947
948 /* IS a dir ... */
949 if (!file->file) {
950
951 return context->closedir(context, file);
952
953 }
954
955 if (!cli_close(&file->srv->cli, file->cli_fd)) {
956
957 DEBUG(3, ("cli_close failed on %s. purging server.\n",
958 file->fname));
959 /* Deallocate slot and remove the server
960 * from the server cache if unused */
961 errno = smbc_errno(context, &file->srv->cli);
962 srv = file->srv;
963 DLIST_REMOVE(context->internal->_files, file);
964 SAFE_FREE(file->fname);
965 SAFE_FREE(file);
966 context->callbacks.remove_unused_server_fn(context, srv);
967
968 return -1;
969
970 }
971
972 DLIST_REMOVE(context->internal->_files, file);
973 SAFE_FREE(file->fname);
974 SAFE_FREE(file);
975
976 return 0;
977 }
978
979 /*
980 * Get info from an SMB server on a file. Use a qpathinfo call first
981 * and if that fails, use getatr, as Win95 sometimes refuses qpathinfo
982 */
983 static BOOL smbc_getatr(SMBCCTX * context, SMBCSRV *srv, char *path,
984 uint16 *mode, size_t *size,
985 time_t *c_time, time_t *a_time, time_t *m_time,
986 SMB_INO_T *ino)
987 {
988
989 if (!context || !context->internal ||
990 !context->internal->_initialized) {
991
992 errno = EINVAL;
993 return -1;
994
995 }
996
997 DEBUG(4,("smbc_getatr: sending qpathinfo\n"));
998
999 if (!srv->no_pathinfo2 &&
1000 cli_qpathinfo2(&srv->cli, path, c_time, a_time, m_time, NULL,
1001 size, mode, ino)) return True;
1002
1003 /* if this is NT then don't bother with the getatr */
1004 if (srv->cli.capabilities & CAP_NT_SMBS) {
1005 errno = EPERM;
1006 return False;
1007 }
1008
1009 if (cli_getatr(&srv->cli, path, mode, size, m_time)) {
1010 a_time = c_time = m_time;
1011 srv->no_pathinfo2 = True;
1012 return True;
1013 }
1014
1015 errno = EPERM;
1016 return False;
1017
1018 }
1019
1020 /*
1021 * Routine to unlink() a file
1022 */
1023
1024 static int smbc_unlink_ctx(SMBCCTX *context, const char *fname)
1025 {
1026 fstring server, share, user, password, workgroup;
1027 pstring path;
1028 SMBCSRV *srv = NULL;
1029
1030 if (!context || !context->internal ||
1031 !context->internal->_initialized) {
1032
1033 errno = EINVAL; /* Best I can think of ... */
1034 return -1;
1035
1036 }
1037
1038 if (!fname) {
1039
1040 errno = EINVAL;
1041 return -1;
1042
1043 }
1044
1045 smbc_parse_path(context, fname, server, share, path, user, password); /* FIXME, check errors */
1046
1047 if (user[0] == (char)0) fstrcpy(user, context->user);
1048
1049 fstrcpy(workgroup, context->workgroup);
1050
1051 srv = smbc_server(context, server, share, workgroup, user, password);
1052
1053 if (!srv) {
1054
1055 return -1; /* smbc_server sets errno */
1056
1057 }
1058
1059 /* if (strncmp(srv->cli.dev, "LPT", 3) == 0) {
1060
1061 int job = smbc_stat_printjob(srv, path, NULL, NULL);
1062 if (job == -1) {
1063
1064 return -1;
1065
1066 }
1067 if ((err = cli_printjob_del(&srv->cli, job)) != 0) {
1068
1069
1070 return -1;
1071
1072 }
1073 } else */
1074
1075 if (!cli_unlink(&srv->cli, path)) {
1076
1077 errno = smbc_errno(context, &srv->cli);
1078
1079 if (errno == EACCES) { /* Check if the file is a directory */
1080
1081 int saverr = errno;
1082 size_t size = 0;
1083 uint16 mode = 0;
1084 time_t m_time = 0, a_time = 0, c_time = 0;
1085 SMB_INO_T ino = 0;
1086
1087 if (!smbc_getatr(context, srv, path, &mode, &size,
1088 &c_time, &a_time, &m_time, &ino)) {
1089
1090 /* Hmmm, bad error ... What? */
1091
1092 errno = smbc_errno(context, &srv->cli);
1093 return -1;
1094
1095 }
1096 else {
1097
1098 if (IS_DOS_DIR(mode))
1099 errno = EISDIR;
1100 else
1101 errno = saverr; /* Restore this */
1102
1103 }
1104 }
1105
1106 return -1;
1107
1108 }
1109
1110 return 0; /* Success ... */
1111
1112 }
1113
1114 /*
1115 * Routine to rename() a file
1116 */
1117
1118 static int smbc_rename_ctx(SMBCCTX *ocontext, const char *oname,
1119 SMBCCTX *ncontext, const char *nname)
1120 {
1121 fstring server1, share1, server2, share2, user1, user2, password1, password2, workgroup;
1122 pstring path1, path2;
1123 SMBCSRV *srv = NULL;
1124
1125 if (!ocontext || !ncontext ||
1126 !ocontext->internal || !ncontext->internal ||
1127 !ocontext->internal->_initialized ||
1128 !ncontext->internal->_initialized) {
1129
1130 errno = EINVAL; /* Best I can think of ... */
1131 return -1;
1132
1133 }
1134
1135 if (!oname || !nname) {
1136
1137 errno = EINVAL;
1138 return -1;
1139
1140 }
1141
1142 DEBUG(4, ("smbc_rename(%s,%s)\n", oname, nname));
1143
1144 smbc_parse_path(ocontext, oname, server1, share1, path1, user1, password1);
1145
1146 if (user1[0] == (char)0) fstrcpy(user1, ocontext->user);
1147
1148 smbc_parse_path(ncontext, nname, server2, share2, path2, user2, password2);
1149
1150 if (user2[0] == (char)0) fstrcpy(user2, ncontext->user);
1151
1152 if (strcmp(server1, server2) || strcmp(share1, share2) ||
1153 strcmp(user1, user2)) {
1154
1155 /* Can't rename across file systems, or users?? */
1156
1157 errno = EXDEV;
1158 return -1;
1159
1160 }
1161
1162 fstrcpy(workgroup, ocontext->workgroup);
1163 /* HELP !!! Which workgroup should I use ? Or are they always the same -- Tom */
1164 srv = smbc_server(ocontext, server1, share1, workgroup, user1, password1);
1165 if (!srv) {
1166
1167 return -1;
1168
1169 }
1170
1171 if (!cli_rename(&srv->cli, path1, path2)) {
1172 int eno = smbc_errno(ocontext, &srv->cli);
1173
1174 if (eno != EEXIST ||
1175 !cli_unlink(&srv->cli, path2) ||
1176 !cli_rename(&srv->cli, path1, path2)) {
1177
1178 errno = eno;
1179 return -1;
1180
1181 }
1182 }
1183
1184 return 0; /* Success */
1185
1186 }
1187
1188 /*
1189 * A routine to lseek() a file
1190 */
1191
1192 static off_t smbc_lseek_ctx(SMBCCTX *context, SMBCFILE *file, off_t offset, int whence)
1193 {
1194 size_t size;
1195
1196 if (!context || !context->internal ||
1197 !context->internal->_initialized) {
1198
1199 errno = EINVAL;
1200 return -1;
1201
1202 }
1203
1204 if (!file || !DLIST_CONTAINS(context->internal->_files, file)) {
1205
1206 errno = EBADF;
1207 return -1;
1208
1209 }
1210
1211 if (!file->file) {
1212
1213 errno = EINVAL;
1214 return -1; /* Can't lseek a dir ... */
1215
1216 }
1217
1218 switch (whence) {
1219 case SEEK_SET:
1220 file->offset = offset;
1221 break;
1222
1223 case SEEK_CUR:
1224 file->offset += offset;
1225 break;
1226
1227 case SEEK_END:
1228 if (!cli_qfileinfo(&file->srv->cli, file->cli_fd, NULL, &size, NULL, NULL,
1229 NULL, NULL, NULL))
1230 {
1231 SMB_BIG_UINT b_size = size;
1232 if (!cli_getattrE(&file->srv->cli, file->cli_fd, NULL, &b_size, NULL, NULL,
1233 NULL))
1234 {
1235 errno = EINVAL;
1236 return -1;
1237 } else
1238 size = b_size;
1239 }
1240 file->offset = size + offset;
1241 break;
1242
1243 default:
1244 errno = EINVAL;
1245 break;
1246
1247 }
1248
1249 return file->offset;
1250
1251 }
1252
1253 /*
1254 * Generate an inode number from file name for those things that need it
1255 */
1256
1257 static
1258 ino_t smbc_inode(SMBCCTX *context, const char *name)
1259 {
1260
1261 if (!context || !context->internal ||
1262 !context->internal->_initialized) {
1263
1264 errno = EINVAL;
1265 return -1;
1266
1267 }
1268
1269 if (!*name) return 2; /* FIXME, why 2 ??? */
1270 return (ino_t)str_checksum(name);
1271
1272 }
1273
1274 /*
1275 * Routine to put basic stat info into a stat structure ... Used by stat and
1276 * fstat below.
1277 */
1278
1279 static
1280 int smbc_setup_stat(SMBCCTX *context, struct stat *st, char *fname, size_t size, int mode)
1281 {
1282
1283 st->st_mode = 0;
1284
1285 if (IS_DOS_DIR(mode)) {
1286 st->st_mode = SMBC_DIR_MODE;
1287 } else {
1288 st->st_mode = SMBC_FILE_MODE;
1289 }
1290
1291 if (IS_DOS_ARCHIVE(mode)) st->st_mode |= S_IXUSR;
1292 if (IS_DOS_SYSTEM(mode)) st->st_mode |= S_IXGRP;
1293 if (IS_DOS_HIDDEN(mode)) st->st_mode |= S_IXOTH;
1294 if (!IS_DOS_READONLY(mode)) st->st_mode |= S_IWUSR;
1295
1296 st->st_size = size;
1297 #ifdef HAVE_STAT_ST_BLKSIZE
1298 st->st_blksize = 512;
1299 #endif
1300 #ifdef HAVE_STAT_ST_BLOCKS
1301 st->st_blocks = (size+511)/512;
1302 #endif
1303 st->st_uid = getuid();
1304 st->st_gid = getgid();
1305
1306 if (IS_DOS_DIR(mode)) {
1307 st->st_nlink = 2;
1308 } else {
1309 st->st_nlink = 1;
1310 }
1311
1312 if (st->st_ino == 0) {
1313 st->st_ino = smbc_inode(context, fname);
1314 }
1315
1316 return True; /* FIXME: Is this needed ? */
1317
1318 }
1319
1320 /*
1321 * Routine to stat a file given a name
1322 */
1323
1324 static int smbc_stat_ctx(SMBCCTX *context, const char *fname, struct stat *st)
1325 {
1326 SMBCSRV *srv;
1327 fstring server, share, user, password, workgroup;
1328 pstring path;
1329 time_t m_time = 0, a_time = 0, c_time = 0;
1330 size_t size = 0;
1331 uint16 mode = 0;
1332 SMB_INO_T ino = 0;
1333
1334 if (!context || !context->internal ||
1335 !context->internal->_initialized) {
1336
1337 errno = EINVAL; /* Best I can think of ... */
1338 return -1;
1339
1340 }
1341
1342 if (!fname) {
1343
1344 errno = EINVAL;
1345 return -1;
1346
1347 }
1348
1349 DEBUG(4, ("smbc_stat(%s)\n", fname));
1350
1351 smbc_parse_path(context, fname, server, share, path, user, password); /*FIXME, errors*/
1352
1353 if (user[0] == (char)0) fstrcpy(user, context->user);
1354
1355 fstrcpy(workgroup, context->workgroup);
1356
1357 srv = smbc_server(context, server, share, workgroup, user, password);
1358
1359 if (!srv) {
1360 return -1; /* errno set by smbc_server */
1361 }
1362
1363 /* if (strncmp(srv->cli.dev, "IPC", 3) == 0) {
1364
1365 mode = aDIR | aRONLY;
1366
1367 }
1368 else if (strncmp(srv->cli.dev, "LPT", 3) == 0) {
1369
1370 if (strcmp(path, "\\") == 0) {
1371
1372 mode = aDIR | aRONLY;
1373
1374 }
1375 else {
1376
1377 mode = aRONLY;
1378 smbc_stat_printjob(srv, path, &size, &m_time);
1379 c_time = a_time = m_time;
1380
1381 }
1382 else { */
1383
1384 if (!smbc_getatr(context, srv, path, &mode, &size,
1385 &c_time, &a_time, &m_time, &ino)) {
1386
1387 errno = smbc_errno(context, &srv->cli);
1388 return -1;
1389
1390 }
1391
1392 st->st_ino = ino;
1393
1394 smbc_setup_stat(context, st, path, size, mode);
1395
1396 st->st_atime = a_time;
1397 st->st_ctime = c_time;
1398 st->st_mtime = m_time;
1399 st->st_dev = srv->dev;
1400
1401 return 0;
1402
1403 }
1404
1405 /*
1406 * Routine to stat a file given an fd
1407 */
1408
1409 static int smbc_fstat_ctx(SMBCCTX *context, SMBCFILE *file, struct stat *st)
1410 {
1411 time_t c_time, a_time, m_time;
1412 size_t size;
1413 uint16 mode;
1414 SMB_INO_T ino = 0;
1415
1416 if (!context || !context->internal ||
1417 !context->internal->_initialized) {
1418
1419 errno = EINVAL;
1420 return -1;
1421
1422 }
1423
1424 if (!file || !DLIST_CONTAINS(context->internal->_files, file)) {
1425
1426 errno = EBADF;
1427 return -1;
1428
1429 }
1430
1431 if (!file->file) {
1432
1433 return context->fstatdir(context, file, st);
1434
1435 }
1436
1437 if (!cli_qfileinfo(&file->srv->cli, file->cli_fd,
1438 &mode, &size, &c_time, &a_time, &m_time, NULL, &ino)) {
1439 SMB_BIG_UINT b_size = size;
1440 if (!cli_getattrE(&file->srv->cli, file->cli_fd,
1441 &mode, &b_size, &c_time, &a_time, &m_time)) {
1442
1443 errno = EINVAL;
1444 return -1;
1445 } else
1446 size = b_size;
1447
1448 }
1449
1450 st->st_ino = ino;
1451
1452 smbc_setup_stat(context, st, file->fname, size, mode);
1453
1454 st->st_atime = a_time;
1455 st->st_ctime = c_time;
1456 st->st_mtime = m_time;
1457 st->st_dev = file->srv->dev;
1458
1459 return 0;
1460
1461 }
1462
1463 /*
1464 * Routine to open a directory
1465 *
1466 * We want to allow:
1467 *
1468 * smb: which should list all the workgroups available
1469 * smb:workgroup
1470 * smb:workgroup//server
1471 * smb://server
1472 * smb://server/share
1473 * smb://<IP-addr> which should list shares on server
1474 * smb://<IP-addr>/share which should list files on share
1475 */
1476
1477 static void smbc_remove_dir(SMBCFILE *dir)
1478 {
1479 struct smbc_dir_list *d,*f;
1480
1481 d = dir->dir_list;
1482 while (d) {
1483
1484 f = d; d = d->next;
1485
1486 SAFE_FREE(f->dirent);
1487 SAFE_FREE(f);
1488
1489 }
1490
1491 dir->dir_list = dir->dir_end = dir->dir_next = NULL;
1492
1493 }
1494
1495 static int add_dirent(SMBCFILE *dir, const char *name, const char *comment, uint32 type)
1496 {
1497 struct smbc_dirent *dirent;
1498 int size;
1499 char *u_name = NULL, *u_comment = NULL;
1500 size_t u_name_len = 0, u_comment_len = 0;
1501
1502 if (name)
1503 u_name_len = push_utf8_allocate(&u_name, name);
1504 if (comment)
1505 u_comment_len = push_utf8_allocate(&u_comment, comment);
1506
1507 /*
1508 * Allocate space for the dirent, which must be increased by the
1509 * size of the name and the comment and 1 for the null on the comment.
1510 * The null on the name is already accounted for.
1511 */
1512
1513 size = sizeof(struct smbc_dirent) + u_name_len + u_comment_len + 1;
1514
1515 dirent = malloc(size);
1516
1517 if (!dirent) {
1518
1519 dir->dir_error = ENOMEM;
1520 return -1;
1521
1522 }
1523
1524 ZERO_STRUCTP(dirent);
1525
1526 if (dir->dir_list == NULL) {
1527
1528 dir->dir_list = malloc(sizeof(struct smbc_dir_list));
1529 if (!dir->dir_list) {
1530
1531 SAFE_FREE(dirent);
1532 dir->dir_error = ENOMEM;
1533 return -1;
1534
1535 }
1536 ZERO_STRUCTP(dir->dir_list);
1537
1538 dir->dir_end = dir->dir_next = dir->dir_list;
1539
1540 }
1541 else {
1542
1543 dir->dir_end->next = malloc(sizeof(struct smbc_dir_list));
1544
1545 if (!dir->dir_end->next) {
1546
1547 SAFE_FREE(dirent);
1548 dir->dir_error = ENOMEM;
1549 return -1;
1550
1551 }
1552 ZERO_STRUCTP(dir->dir_end->next);
1553
1554 dir->dir_end = dir->dir_end->next;
1555
1556 }
1557
1558 dir->dir_end->next = NULL;
1559 dir->dir_end->dirent = dirent;
1560
1561 dirent->smbc_type = type;
1562 dirent->namelen = u_name_len;
1563 dirent->commentlen = u_comment_len;
1564 dirent->dirlen = size;
1565
1566 strncpy(dirent->name, (u_name?u_name:""), dirent->namelen + 1);
1567
1568 dirent->comment = (char *)(&dirent->name + dirent->namelen + 1);
1569 strncpy(dirent->comment, (u_comment?u_comment:""), dirent->commentlen + 1);
1570
1571 SAFE_FREE(u_comment);
1572 SAFE_FREE(u_name);
1573
1574 return 0;
1575
1576 }
1577
1578 static void
1579 list_fn(const char *name, uint32 type, const char *comment, void *state)
1580 {
1581 SMBCFILE *dir = (SMBCFILE *)state;
1582 int dirent_type;
1583
1584 /* We need to process the type a little ... */
1585
1586 if (dir->dir_type == SMBC_FILE_SHARE) {
1587
1588 switch (type) {
1589 case 0: /* Directory tree */
1590 dirent_type = SMBC_FILE_SHARE;
1591 break;
1592
1593 case 1:
1594 dirent_type = SMBC_PRINTER_SHARE;
1595 break;
1596
1597 case 2:
1598 dirent_type = SMBC_COMMS_SHARE;
1599 break;
1600
1601 case 3:
1602 dirent_type = SMBC_IPC_SHARE;
1603 break;
1604
1605 default:
1606 dirent_type = SMBC_FILE_SHARE; /* FIXME, error? */
1607 break;
1608 }
1609 }
1610 else dirent_type = dir->dir_type;
1611
1612 if (add_dirent(dir, name, comment, dirent_type) < 0) {
1613
1614 /* An error occurred, what do we do? */
1615 /* FIXME: Add some code here */
1616
1617 }
1618
1619 }
1620
1621 static void
1622 dir_list_fn(file_info *finfo, const char *mask, void *state)
1623 {
1624
1625 if (add_dirent((SMBCFILE *)state, finfo->name, "",
1626 (finfo->mode&aDIR?SMBC_DIR:SMBC_FILE)) < 0) {
1627
1628 /* Handle an error ... */
1629
1630 /* FIXME: Add some code ... */
1631
1632 }
1633
1634 }
1635
1636 static SMBCFILE *smbc_opendir_ctx(SMBCCTX *context, const char *fname)
1637 {
1638 fstring server, share, user, password;
1639 pstring workgroup;
1640 pstring path;
1641 SMBCSRV *srv = NULL;
1642 SMBCFILE *dir = NULL;
1643 struct in_addr rem_ip;
1644
1645 if (!context || !context->internal ||
1646 !context->internal->_initialized) {
1647 DEBUG(4, ("no valid context\n"));
1648 errno = EINVAL;
1649 return NULL;
1650
1651 }
1652
1653 if (!fname) {
1654 DEBUG(4, ("no valid fname\n"));
1655 errno = EINVAL;
1656 return NULL;
1657 }
1658
1659 if (smbc_parse_path(context, fname, server, share, path, user, password)) {
1660 DEBUG(4, ("no valid path\n"));
1661 errno = EINVAL;
1662 return NULL;
1663 }
1664
1665 DEBUG(4, ("parsed path: fname='%s' server='%s' share='%s' path='%s'\n", fname, server, share, path));
1666
1667 if (user[0] == (char)0) fstrcpy(user, context->user);
1668
1669 pstrcpy(workgroup, context->workgroup);
1670
1671 dir = malloc(sizeof(*dir));
1672
1673 if (!dir) {
1674
1675 errno = ENOMEM;
1676 return NULL;
1677
1678 }
1679
1680 ZERO_STRUCTP(dir);
1681
1682 dir->cli_fd = 0;
1683 dir->fname = strdup(fname);
1684 dir->srv = NULL;
1685 dir->offset = 0;
1686 dir->file = False;
1687 dir->dir_list = dir->dir_next = dir->dir_end = NULL;
1688
1689 if (server[0] == (char)0) {
1690 struct in_addr server_ip;
1691 if (share[0] != (char)0 || path[0] != (char)0) {
1692
1693 errno = EINVAL;
1694 if (dir) {
1695 SAFE_FREE(dir->fname);
1696 SAFE_FREE(dir);
1697 }
1698 return NULL;
1699 }
1700
1701 /* We have server and share and path empty ... so list the workgroups */
1702 /* first try to get the LMB for our workgroup, and if that fails, */
1703 /* try the DMB */
1704
1705 pstrcpy(workgroup, lp_workgroup());
1706
1707 if (!find_master_ip(workgroup, &server_ip)) {
1708 struct user_auth_info u_info;
1709 struct cli_state *cli;
1710
1711 DEBUG(4, ("Unable to find master browser for workgroup %s\n",
1712 workgroup));
1713
1714 /* find the name of the server ... */
1715 pstrcpy(u_info.username, user);
1716 pstrcpy(u_info.password, password);
1717
1718 if (!(cli = get_ipc_connect_master_ip_bcast(workgroup, &u_info))) {
1719 DEBUG(4, ("Unable to find master browser by "
1720 "broadcast\n"));
1721 errno = ENOENT;
1722 return NULL;
1723 }
1724
1725 fstrcpy(server, cli->desthost);
1726
1727 cli_shutdown(cli);
1728 } else {
1729 if (!name_status_find("*", 0, 0, server_ip, server)) {
1730 errno = ENOENT;
1731 return NULL;
1732 }
1733 }
1734
1735 DEBUG(4, ("using workgroup %s %s\n", workgroup, server));
1736
1737 /*
1738 * Get a connection to IPC$ on the server if we do not already have one
1739 */
1740
1741 srv = smbc_server(context, server, "IPC$", workgroup, user, password);
1742 if (!srv) {
1743
1744 if (dir) {
1745 SAFE_FREE(dir->fname);
1746 SAFE_FREE(dir);
1747 }
1748 return NULL;
1749 }
1750
1751 dir->srv = srv;
1752 dir->dir_type = SMBC_WORKGROUP;
1753
1754 /* Now, list the stuff ... */
1755
1756 if (!cli_NetServerEnum(&srv->cli, workgroup, SV_TYPE_DOMAIN_ENUM, list_fn,
1757 (void *)dir)) {
1758
1759 if (dir) {
1760 SAFE_FREE(dir->fname);
1761 SAFE_FREE(dir);
1762 }
1763 errno = cli_errno(&srv->cli);
1764
1765 return NULL;
1766
1767 }
1768 }
1769 else { /* Server not an empty string ... Check the rest and see what gives */
1770
1771 if (share[0] == (char)0) {
1772
1773 if (path[0] != (char)0) { /* Should not have empty share with path */
1774
1775 errno = EINVAL;
1776 if (dir) {
1777 SAFE_FREE(dir->fname);
1778 SAFE_FREE(dir);
1779 }
1780 return NULL;
1781
1782 }
1783
1784 /* Check to see if <server><1D>, <server><1B>, or <server><20> translates */
1785 /* However, we check to see if <server> is an IP address first */
1786
1787 if (!is_ipaddress(server) && /* Not an IP addr so check next */
1788 (resolve_name(server, &rem_ip, 0x1d) || /* Found LMB */
1789 resolve_name(server, &rem_ip, 0x1b) )) { /* Found DMB */
1790 fstring buserver;
1791
1792 dir->dir_type = SMBC_SERVER;
1793
1794 /*
1795 * Get the backup list ...
1796 */
1797
1798
1799 if (!name_status_find("*", 0, 0, rem_ip, buserver)) {
1800
1801 DEBUG(0, ("Could not get name of local/domain master browser for server %s\n", server));
1802 errno = EPERM; /* FIXME, is this correct */
1803 return NULL;
1804
1805 }
1806
1807 /*
1808 * Get a connection to IPC$ on the server if we do not already have one
1809 */
1810
1811 srv = smbc_server(context, buserver, "IPC$", workgroup, user, password);
1812
1813 if (!srv) {
1814 DEBUG(0, ("got no contact to IPC$\n"));
1815 if (dir) {
1816 SAFE_FREE(dir->fname);
1817 SAFE_FREE(dir);
1818 }
1819 return NULL;
1820
1821 }
1822
1823 dir->srv = srv;
1824
1825 /* Now, list the servers ... */
1826
1827 if (!cli_NetServerEnum(&srv->cli, server, 0x0000FFFE, list_fn,
1828 (void *)dir)) {
1829
1830 if (dir) {
1831 SAFE_FREE(dir->fname);
1832 SAFE_FREE(dir);
1833 }
1834 errno = cli_errno(&srv->cli);
1835 return NULL;
1836
1837 }
1838
1839 }
1840 else {
1841
1842 if (resolve_name(server, &rem_ip, 0x20)) {
1843
1844 /* Now, list the shares ... */
1845
1846 dir->dir_type = SMBC_FILE_SHARE;
1847
1848 srv = smbc_server(context, server, "IPC$", workgroup, user, password);
1849
1850 if (!srv) {
1851
1852 if (dir) {
1853 SAFE_FREE(dir->fname);
1854 SAFE_FREE(dir);
1855 }
1856 return NULL;
1857
1858 }
1859
1860 dir->srv = srv;
1861
1862 /* Now, list the servers ... */
1863
1864 if (cli_RNetShareEnum(&srv->cli, list_fn,
1865 (void *)dir) < 0) {
1866
1867 errno = cli_errno(&srv->cli);
1868 if (dir) {
1869 SAFE_FREE(dir->fname);
1870 SAFE_FREE(dir);
1871 }
1872 return NULL;
1873
1874 }
1875
1876 }
1877 else {
1878
1879 errno = ENODEV; /* Neither the workgroup nor server exists */
1880 if (dir) {
1881 SAFE_FREE(dir->fname);
1882 SAFE_FREE(dir);
1883 }
1884 return NULL;
1885
1886 }
1887
1888 }
1889
1890 }
1891 else { /* The server and share are specified ... work from there ... */
1892
1893 /* Well, we connect to the server and list the directory */
1894
1895 dir->dir_type = SMBC_FILE_SHARE;
1896
1897 srv = smbc_server(context, server, share, workgroup, user, password);
1898
1899 if (!srv) {
1900
1901 if (dir) {
1902 SAFE_FREE(dir->fname);
1903 SAFE_FREE(dir);
1904 }
1905 return NULL;
1906
1907 }
1908
1909 dir->srv = srv;
1910
1911 /* Now, list the files ... */
1912
1913 pstrcat(path, "\\*");
1914
1915 if (cli_list(&srv->cli, path, aDIR | aSYSTEM | aHIDDEN, dir_list_fn,
1916 (void *)dir) < 0) {
1917
1918 if (dir) {
1919 SAFE_FREE(dir->fname);
1920 SAFE_FREE(dir);
1921 }
1922 errno = smbc_errno(context, &srv->cli);
1923 return NULL;
1924
1925 }
1926 }
1927
1928 }
1929
1930 DLIST_ADD(context->internal->_files, dir);
1931 return dir;
1932
1933 }
1934
1935 /*
1936 * Routine to close a directory
1937 */
1938
1939 static int smbc_closedir_ctx(SMBCCTX *context, SMBCFILE *dir)
1940 {
1941
1942 if (!context || !context->internal ||
1943 !context->internal->_initialized) {
1944
1945 errno = EINVAL;
1946 return -1;
1947
1948 }
1949
1950 if (!dir || !DLIST_CONTAINS(context->internal->_files, dir)) {
1951
1952 errno = EBADF;
1953 return -1;
1954
1955 }
1956
1957 smbc_remove_dir(dir); /* Clean it up */
1958
1959 DLIST_REMOVE(context->internal->_files, dir);
1960
1961 if (dir) {
1962
1963 SAFE_FREE(dir->fname);
1964 SAFE_FREE(dir); /* Free the space too */
1965
1966 }
1967
1968 return 0;
1969
1970 }
1971
1972 /*
1973 * Routine to get a directory entry
1974 */
1975
1976 struct smbc_dirent *smbc_readdir_ctx(SMBCCTX *context, SMBCFILE *dir)
1977 {
1978 struct smbc_dirent *dirp, *dirent;
1979
1980 /* Check that all is ok first ... */
1981
1982 if (!context || !context->internal ||
1983 !context->internal->_initialized) {
1984
1985 errno = EINVAL;
1986 return NULL;
1987
1988 }
1989
1990 if (!dir || !DLIST_CONTAINS(context->internal->_files, dir)) {
1991
1992 errno = EBADF;
1993 return NULL;
1994
1995 }
1996
1997 if (dir->file != False) { /* FIXME, should be dir, perhaps */
1998
1999 errno = ENOTDIR;
2000 return NULL;
2001
2002 }
2003
2004 if (!dir->dir_next)
2005 return NULL;
2006 else {
2007
2008 dirent = dir->dir_next->dirent;
2009
2010 if (!dirent) {
2011
2012 errno = ENOENT;
2013 return NULL;
2014
2015 }
2016
2017 /* Hmmm, do I even need to copy it? */
2018
2019 memcpy(context->internal->_dirent, dirent, dirent->dirlen); /* Copy the dirent */
2020 dirp = (struct smbc_dirent *)context->internal->_dirent;
2021 dirp->comment = (char *)(&dirp->name + dirent->namelen + 1);
2022 dir->dir_next = dir->dir_next->next;
2023
2024 return (struct smbc_dirent *)context->internal->_dirent;
2025 }
2026
2027 }
2028
2029 /*
2030 * Routine to get directory entries
2031 */
2032
2033 static int smbc_getdents_ctx(SMBCCTX *context, SMBCFILE *dir, struct smbc_dirent *dirp, int count)
2034 {
2035 struct smbc_dir_list *dirlist;
2036 int rem = count, reqd;
2037 char *ndir = (char *)dirp;
2038
2039 /* Check that all is ok first ... */
2040
2041 if (!context || !context->internal ||
2042 !context->internal->_initialized) {
2043
2044 errno = EINVAL;
2045 return -1;
2046
2047 }
2048
2049 if (!dir || !DLIST_CONTAINS(context->internal->_files, dir)) {
2050
2051 errno = EBADF;
2052 return -1;
2053
2054 }
2055
2056 if (dir->file != False) { /* FIXME, should be dir, perhaps */
2057
2058 errno = ENOTDIR;
2059 return -1;
2060
2061 }
2062
2063 /*
2064 * Now, retrieve the number of entries that will fit in what was passed
2065 * We have to figure out if the info is in the list, or we need to
2066 * send a request to the server to get the info.
2067 */
2068
2069 while ((dirlist = dir->dir_next)) {
2070 struct smbc_dirent *dirent;
2071
2072 if (!dirlist->dirent) {
2073
2074 errno = ENOENT; /* Bad error */
2075 return -1;
2076
2077 }
2078
2079 if (rem < (reqd = (sizeof(struct smbc_dirent) + dirlist->dirent->namelen +
2080 dirlist->dirent->commentlen + 1))) {
2081
2082 if (rem < count) { /* We managed to copy something */
2083
2084 errno = 0;
2085 return count - rem;
2086
2087 }
2088 else { /* Nothing copied ... */
2089
2090 errno = EINVAL; /* Not enough space ... */
2091 return -1;
2092
2093 }
2094
2095 }
2096
2097 dirent = dirlist->dirent;
2098
2099 memcpy(ndir, dirent, reqd); /* Copy the data in ... */
2100
2101 ((struct smbc_dirent *)ndir)->comment =
2102 (char *)(&((struct smbc_dirent *)ndir)->name + dirent->namelen + 1);
2103
2104 ndir += reqd;
2105
2106 rem -= reqd;
2107
2108 dir->dir_next = dirlist = dirlist -> next;
2109 }
2110
2111 if (rem == count)
2112 return 0;
2113 else
2114 return count - rem;
2115
2116 }
2117
2118 /*
2119 * Routine to create a directory ...
2120 */
2121
2122 static int smbc_mkdir_ctx(SMBCCTX *context, const char *fname, mode_t mode)
2123 {
2124 SMBCSRV *srv;
2125 fstring server, share, user, password, workgroup;
2126 pstring path;
2127
2128 if (!context || !context->internal ||
2129 !context->internal->_initialized) {
2130
2131 errno = EINVAL;
2132 return -1;
2133
2134 }
2135
2136 if (!fname) {
2137
2138 errno = EINVAL;
2139 return -1;
2140
2141 }
2142
2143 DEBUG(4, ("smbc_mkdir(%s)\n", fname));
2144
2145 smbc_parse_path(context, fname, server, share, path, user, password); /*FIXME, errors*/
2146
2147 if (user[0] == (char)0) fstrcpy(user, context->user);
2148
2149 fstrcpy(workgroup, context->workgroup);
2150
2151 srv = smbc_server(context, server, share, workgroup, user, password);
2152
2153 if (!srv) {
2154
2155 return -1; /* errno set by smbc_server */
2156
2157 }
2158
2159 /* if (strncmp(srv->cli.dev, "IPC", 3) == 0) {
2160
2161 mode = aDIR | aRONLY;
2162
2163 }
2164 else if (strncmp(srv->cli.dev, "LPT", 3) == 0) {
2165
2166 if (strcmp(path, "\\") == 0) {
2167
2168 mode = aDIR | aRONLY;
2169
2170 }
2171 else {
2172
2173 mode = aRONLY;
2174 smbc_stat_printjob(srv, path, &size, &m_time);
2175 c_time = a_time = m_time;
2176
2177 }
2178 else { */
2179
2180 if (!cli_mkdir(&srv->cli, path)) {
2181
2182 errno = smbc_errno(context, &srv->cli);
2183 return -1;
2184
2185 }
2186
2187 return 0;
2188
2189 }
2190
2191 /*
2192 * Our list function simply checks to see if a directory is not empty
2193 */
2194
2195 static int smbc_rmdir_dirempty = True;
2196
2197 static void rmdir_list_fn(file_info *finfo, const char *mask, void *state)
2198 {
2199
2200 if (strncmp(finfo->name, ".", 1) != 0 && strncmp(finfo->name, "..", 2) != 0)
2201 smbc_rmdir_dirempty = False;
2202
2203 }
2204
2205 /*
2206 * Routine to remove a directory
2207 */
2208
2209 static int smbc_rmdir_ctx(SMBCCTX *context, const char *fname)
2210 {
2211 SMBCSRV *srv;
2212 fstring server, share, user, password, workgroup;
2213 pstring path;
2214
2215 if (!context || !context->internal ||
2216 !context->internal->_initialized) {
2217
2218 errno = EINVAL;
2219 return -1;
2220
2221 }
2222
2223 if (!fname) {
2224
2225 errno = EINVAL;
2226 return -1;
2227
2228 }
2229
2230 DEBUG(4, ("smbc_rmdir(%s)\n", fname));
2231
2232 smbc_parse_path(context, fname, server, share, path, user, password); /*FIXME, errors*/
2233
2234 if (user[0] == (char)0) fstrcpy(user, context->user);
2235
2236 fstrcpy(workgroup, context->workgroup);
2237
2238 srv = smbc_server(context, server, share, workgroup, user, password);
2239
2240 if (!srv) {
2241
2242 return -1; /* errno set by smbc_server */
2243
2244 }
2245
2246 /* if (strncmp(srv->cli.dev, "IPC", 3) == 0) {
2247
2248 mode = aDIR | aRONLY;
2249
2250 }
2251 else if (strncmp(srv->cli.dev, "LPT", 3) == 0) {
2252
2253 if (strcmp(path, "\\") == 0) {
2254
2255 mode = aDIR | aRONLY;
2256
2257 }
2258 else {
2259
2260 mode = aRONLY;
2261 smbc_stat_printjob(srv, path, &size, &m_time);
2262 c_time = a_time = m_time;
2263
2264 }
2265 else { */
2266
2267 if (!cli_rmdir(&srv->cli, path)) {
2268
2269 errno = smbc_errno(context, &srv->cli);
2270
2271 if (errno == EACCES) { /* Check if the dir empty or not */
2272
2273 pstring lpath; /* Local storage to avoid buffer overflows */
2274
2275 smbc_rmdir_dirempty = True; /* Make this so ... */
2276
2277 pstrcpy(lpath, path);
2278 pstrcat(lpath, "\\*");
2279
2280 if (cli_list(&srv->cli, lpath, aDIR | aSYSTEM | aHIDDEN, rmdir_list_fn,
2281 NULL) < 0) {
2282
2283 /* Fix errno to ignore latest error ... */
2284
2285 DEBUG(5, ("smbc_rmdir: cli_list returned an error: %d\n",
2286 smbc_errno(context, &srv->cli)));
2287 errno = EACCES;
2288
2289 }
2290
2291 if (smbc_rmdir_dirempty)
2292 errno = EACCES;
2293 else
2294 errno = ENOTEMPTY;
2295
2296 }
2297
2298 return -1;
2299
2300 }
2301
2302 return 0;
2303
2304 }
2305
2306 /*
2307 * Routine to return the current directory position
2308 */
2309
2310 static off_t smbc_telldir_ctx(SMBCCTX *context, SMBCFILE *dir)
2311 {
2312 off_t ret_val; /* Squash warnings about cast */
2313
2314 if (!context || !context->internal ||
2315 !context->internal->_initialized) {
2316
2317 errno = EINVAL;
2318 return -1;
2319
2320 }
2321
2322 if (!dir || !DLIST_CONTAINS(context->internal->_files, dir)) {
2323
2324 errno = EBADF;
2325 return -1;
2326
2327 }
2328
2329 if (dir->file != False) { /* FIXME, should be dir, perhaps */
2330
2331 errno = ENOTDIR;
2332 return -1;
2333
2334 }
2335
2336 /*
2337 * We return the pointer here as the offset
2338 */
2339 ret_val = (int)dir->dir_next;
2340 return ret_val;
2341
2342 }
2343
2344 /*
2345 * A routine to run down the list and see if the entry is OK
2346 */
2347
2348 struct smbc_dir_list *smbc_check_dir_ent(struct smbc_dir_list *list,
2349 struct smbc_dirent *dirent)
2350 {
2351
2352 /* Run down the list looking for what we want */
2353
2354 if (dirent) {
2355
2356 struct smbc_dir_list *tmp = list;
2357
2358 while (tmp) {
2359
2360 if (tmp->dirent == dirent)
2361 return tmp;
2362
2363 tmp = tmp->next;
2364
2365 }
2366
2367 }
2368
2369 return NULL; /* Not found, or an error */
2370
2371 }
2372
2373
2374 /*
2375 * Routine to seek on a directory
2376 */
2377
2378 static int smbc_lseekdir_ctx(SMBCCTX *context, SMBCFILE *dir, off_t offset)
2379 {
2380 long int l_offset = offset; /* Handle problems of size */
2381 struct smbc_dirent *dirent = (struct smbc_dirent *)l_offset;
2382 struct smbc_dir_list *list_ent = (struct smbc_dir_list *)NULL;
2383
2384 if (!context || !context->internal ||
2385 !context->internal->_initialized) {
2386
2387 errno = EINVAL;
2388 return -1;
2389
2390 }
2391
2392 if (dir->file != False) { /* FIXME, should be dir, perhaps */
2393
2394 errno = ENOTDIR;
2395 return -1;
2396
2397 }
2398
2399 /* Now, check what we were passed and see if it is OK ... */
2400
2401 if (dirent == NULL) { /* Seek to the begining of the list */
2402
2403 dir->dir_next = dir->dir_list;
2404 return 0;
2405
2406 }
2407
2408 /* Now, run down the list and make sure that the entry is OK */
2409 /* This may need to be changed if we change the format of the list */
2410
2411 if ((list_ent = smbc_check_dir_ent(dir->dir_list, dirent)) == NULL) {
2412
2413 errno = EINVAL; /* Bad entry */
2414 return -1;
2415
2416 }
2417
2418 dir->dir_next = list_ent;
2419
2420 return 0;
2421
2422 }
2423
2424 /*
2425 * Routine to fstat a dir
2426 */
2427
2428 static int smbc_fstatdir_ctx(SMBCCTX *context, SMBCFILE *dir, struct stat *st)
2429 {
2430
2431 if (!context || !context->internal ||
2432 !context->internal->_initialized) {
2433
2434 errno = EINVAL;
2435 return -1;
2436
2437 }
2438
2439 /* No code yet ... */
2440
2441 return 0;
2442
2443 }
2444
2445 int smbc_chmod_ctx(SMBCCTX *context, const char *fname, mode_t newmode)
2446 {
2447 SMBCSRV *srv;
2448 fstring server, share, user, password, workgroup;
2449 pstring path;
2450 uint16 mode;
2451
2452 if (!context || !context->internal ||
2453 !context->internal->_initialized) {
2454
2455 errno = EINVAL; /* Best I can think of ... */
2456 return -1;
2457
2458 }
2459
2460 if (!fname) {
2461
2462 errno = EINVAL;
2463 return -1;
2464
2465 }
2466
2467 DEBUG(4, ("smbc_chmod(%s, 0%3o)\n", fname, newmode));
2468
2469 smbc_parse_path(context, fname, server, share, path, user, password); /*FIXME, errors*/
2470
2471 if (user[0] == (char)0) fstrcpy(user, context->user);
2472
2473 fstrcpy(workgroup, context->workgroup);
2474
2475 srv = smbc_server(context, server, share, workgroup, user, password);
2476
2477 if (!srv) {
2478 return -1; /* errno set by smbc_server */
2479 }
2480
2481 mode = 0;
2482
2483 if (!(newmode & (S_IWUSR | S_IWGRP | S_IWOTH))) mode |= aRONLY;
2484 if ((newmode & S_IXUSR) && lp_map_archive(-1)) mode |= aARCH;
2485 if ((newmode & S_IXGRP) && lp_map_system(-1)) mode |= aSYSTEM;
2486 if ((newmode & S_IXOTH) && lp_map_hidden(-1)) mode |= aHIDDEN;
2487
2488 if (!cli_setatr(&srv->cli, path, mode, 0)) {
2489 errno = smbc_errno(context, &srv->cli);
2490 return -1;
2491 }
2492
2493 return 0;
2494 }
2495
2496 int smbc_utimes_ctx(SMBCCTX *context, const char *fname, struct timeval *tbuf)
2497 {
2498 SMBCSRV *srv;
2499 fstring server, share, user, password, workgroup;
2500 pstring path;
2501 uint16 mode;
2502 time_t t = (tbuf == NULL ? time(NULL) : tbuf->tv_sec);
2503
2504 if (!context || !context->internal ||
2505 !context->internal->_initialized) {
2506
2507 errno = EINVAL; /* Best I can think of ... */
2508 return -1;
2509
2510 }
2511
2512 if (!fname) {
2513
2514 errno = EINVAL;
2515 return -1;
2516
2517 }
2518
2519 DEBUG(4, ("smbc_utimes(%s, [%s])\n", fname, ctime(&t)));
2520
2521 smbc_parse_path(context, fname, server, share, path, user, password); /*FIXME, errors*/
2522
2523 if (user[0] == (char)0) fstrcpy(user, context->user);
2524
2525 fstrcpy(workgroup, context->workgroup);
2526
2527 srv = smbc_server(context, server, share, workgroup, user, password);
2528
2529 if (!srv) {
2530 return -1; /* errno set by smbc_server */
2531 }
2532
2533 if (!smbc_getatr(context, srv, path,
2534 &mode, NULL,
2535 NULL, NULL, NULL,
2536 NULL)) {
2537 return -1;
2538 }
2539
2540 if (!cli_setatr(&srv->cli, path, mode, t)) {
2541 /* some servers always refuse directory changes */
2542 if (!(mode & aDIR)) {
2543 errno = smbc_errno(context, &srv->cli);
2544 return -1;
2545 }
2546 }
2547
2548 return 0;
2549 }
2550
2551
2552 /* The MSDN is contradictory over the ordering of ACE entries in an ACL.
2553 However NT4 gives a "The information may have been modified by a
2554 computer running Windows NT 5.0" if denied ACEs do not appear before
2555 allowed ACEs. */
2556
2557 static int ace_compare(SEC_ACE *ace1, SEC_ACE *ace2)
2558 {
2559 if (sec_ace_equal(ace1, ace2))
2560 return 0;
2561
2562 if (ace1->type != ace2->type)
2563 return ace2->type - ace1->type;
2564
2565 if (sid_compare(&ace1->trustee, &ace2->trustee))
2566 return sid_compare(&ace1->trustee, &ace2->trustee);
2567
2568 if (ace1->flags != ace2->flags)
2569 return ace1->flags - ace2->flags;
2570
2571 if (ace1->info.mask != ace2->info.mask)
2572 return ace1->info.mask - ace2->info.mask;
2573
2574 if (ace1->size != ace2->size)
2575 return ace1->size - ace2->size;
2576
2577 return memcmp(ace1, ace2, sizeof(SEC_ACE));
2578 }
2579
2580
2581 static void sort_acl(SEC_ACL *the_acl)
2582 {
2583 uint32 i;
2584 if (!the_acl) return;
2585
2586 qsort(the_acl->ace, the_acl->num_aces, sizeof(the_acl->ace[0]), QSORT_CAST ace_compare);
2587
2588 for (i=1;i<the_acl->num_aces;) {
2589 if (sec_ace_equal(&the_acl->ace[i-1], &the_acl->ace[i])) {
2590 int j;
2591 for (j=i; j<the_acl->num_aces-1; j++) {
2592 the_acl->ace[j] = the_acl->ace[j+1];
2593 }
2594 the_acl->num_aces--;
2595 } else {
2596 i++;
2597 }
2598 }
2599 }
2600
2601 /* convert a SID to a string, either numeric or username/group */
2602 static void convert_sid_to_string(struct cli_state *ipc_cli,
2603 POLICY_HND *pol,
2604 fstring str,
2605 BOOL numeric,
2606 DOM_SID *sid)
2607 {
2608 char **domains = NULL;
2609 char **names = NULL;
2610 uint32 *types = NULL;
2611
2612 sid_to_string(str, sid);
2613
2614 if (numeric) return; /* no lookup desired */
2615
2616 /* Ask LSA to convert the sid to a name */
2617
2618 if (!NT_STATUS_IS_OK(cli_lsa_lookup_sids(ipc_cli, ipc_cli->mem_ctx,
2619 pol, 1, sid, &domains,
2620 &names, &types)) ||
2621 !domains || !domains[0] || !names || !names[0]) {
2622 return;
2623 }
2624
2625 /* Converted OK */
2626
2627 slprintf(str, sizeof(fstring) - 1, "%s%s%s",
2628 domains[0], lp_winbind_separator(),
2629 names[0]);
2630 }
2631
2632 /* convert a string to a SID, either numeric or username/group */
2633 static BOOL convert_string_to_sid(struct cli_state *ipc_cli,
2634 POLICY_HND *pol,
2635 BOOL numeric,
2636 DOM_SID *sid,
2637 const char *str)
2638 {
2639 uint32 *types = NULL;
2640 DOM_SID *sids = NULL;
2641 BOOL result = True;
2642
2643 if (numeric) {
2644 if (strncmp(str, "S-", 2) == 0) {
2645 return string_to_sid(sid, str);
2646 }
2647
2648 result = False;
2649 goto done;
2650 }
2651
2652 if (!NT_STATUS_IS_OK(cli_lsa_lookup_names(ipc_cli, ipc_cli->mem_ctx,
2653 pol, 1, &str, &sids,
2654 &types))) {
2655 result = False;
2656 goto done;
2657 }
2658
2659 sid_copy(sid, &sids[0]);
2660 done:
2661
2662 return result;
2663 }
2664
2665
2666 /* parse an ACE in the same format as print_ace() */
2667 static BOOL parse_ace(struct cli_state *ipc_cli,
2668 POLICY_HND *pol,
2669 SEC_ACE *ace,
2670 BOOL numeric,
2671 char *str)
2672 {
2673 char *p;
2674 const char *cp;
2675 fstring tok;
2676 unsigned atype, aflags, amask;
2677 DOM_SID sid;
2678 SEC_ACCESS mask;
2679 const struct perm_value *v;
2680 struct perm_value {
2681 const char *perm;
2682 uint32 mask;
2683 };
2684
2685 /* These values discovered by inspection */
2686 static const struct perm_value special_values[] = {
2687 { "R", 0x00120089 },
2688 { "W", 0x00120116 },
2689 { "X", 0x001200a0 },
2690 { "D", 0x00010000 },
2691 { "P", 0x00040000 },
2692 { "O", 0x00080000 },
2693 { NULL, 0 },
2694 };
2695
2696 static const struct perm_value standard_values[] = {
2697 { "READ", 0x001200a9 },
2698 { "CHANGE", 0x001301bf },
2699 { "FULL", 0x001f01ff },
2700 { NULL, 0 },
2701 };
2702
2703
2704 ZERO_STRUCTP(ace);
2705 p = strchr_m(str,':');
2706 if (!p) return False;
2707 *p = '\0';
2708 p++;
2709 /* Try to parse numeric form */
2710
2711 if (sscanf(p, "%i/%i/%i", &atype, &aflags, &amask) == 3 &&
2712 convert_string_to_sid(ipc_cli, pol, numeric, &sid, str)) {
2713 goto done;
2714 }
2715
2716 /* Try to parse text form */
2717
2718 if (!convert_string_to_sid(ipc_cli, pol, numeric, &sid, str)) {
2719 return False;
2720 }
2721
2722 cp = p;
2723 if (!next_token(&cp, tok, "/", sizeof(fstring))) {
2724 return False;
2725 }
2726
2727 if (StrnCaseCmp(tok, "ALLOWED", strlen("ALLOWED")) == 0) {
2728 atype = SEC_ACE_TYPE_ACCESS_ALLOWED;
2729 } else if (StrnCaseCmp(tok, "DENIED", strlen("DENIED")) == 0) {
2730 atype = SEC_ACE_TYPE_ACCESS_DENIED;
2731 } else {
2732 return False;
2733 }
2734
2735 /* Only numeric form accepted for flags at present */
2736
2737 if (!(next_token(&cp, tok, "/", sizeof(fstring)) &&
2738 sscanf(tok, "%i", &aflags))) {
2739 return False;
2740 }
2741
2742 if (!next_token(&cp, tok, "/", sizeof(fstring))) {
2743 return False;
2744 }
2745
2746 if (strncmp(tok, "0x", 2) == 0) {
2747 if (sscanf(tok, "%i", &amask) != 1) {
2748 return False;
2749 }
2750 goto done;
2751 }
2752
2753 for (v = standard_values; v->perm; v++) {
2754 if (strcmp(tok, v->perm) == 0) {
2755 amask = v->mask;
2756 goto done;
2757 }
2758 }
2759
2760 p = tok;
2761
2762 while(*p) {
2763 BOOL found = False;
2764
2765 for (v = special_values; v->perm; v++) {
2766 if (v->perm[0] == *p) {
2767 amask |= v->mask;
2768 found = True;
2769 }
2770 }
2771
2772 if (!found) return False;
2773 p++;
2774 }
2775
2776 if (*p) {
2777 return False;
2778 }
2779
2780 done:
2781 mask.mask = amask;
2782 init_sec_ace(ace, &sid, atype, mask, aflags);
2783 return True;
2784 }
2785
2786 /* add an ACE to a list of ACEs in a SEC_ACL */
2787 static BOOL add_ace(SEC_ACL **the_acl, SEC_ACE *ace, TALLOC_CTX *ctx)
2788 {
2789 SEC_ACL *new;
2790 SEC_ACE *aces;
2791 if (! *the_acl) {
2792 (*the_acl) = make_sec_acl(ctx, 3, 1, ace);
2793 return True;
2794 }
2795
2796 aces = calloc(1+(*the_acl)->num_aces,sizeof(SEC_ACE));
2797 memcpy(aces, (*the_acl)->ace, (*the_acl)->num_aces * sizeof(SEC_ACE));
2798 memcpy(aces+(*the_acl)->num_aces, ace, sizeof(SEC_ACE));
2799 new = make_sec_acl(ctx,(*the_acl)->revision,1+(*the_acl)->num_aces, aces);
2800 SAFE_FREE(aces);
2801 (*the_acl) = new;
2802 return True;
2803 }
2804
2805
2806 /* parse a ascii version of a security descriptor */
2807 static SEC_DESC *sec_desc_parse(TALLOC_CTX *ctx,
2808 struct cli_state *ipc_cli,
2809 POLICY_HND *pol,
2810 BOOL numeric,
2811 char *str)
2812 {
2813 const char *p = str;
2814 fstring tok;
2815 SEC_DESC *ret;
2816 size_t sd_size;
2817 DOM_SID *grp_sid=NULL, *owner_sid=NULL;
2818 SEC_ACL *dacl=NULL;
2819 int revision=1;
2820
2821 while (next_token(&p, tok, "\t,\r\n", sizeof(tok))) {
2822
2823 if (StrnCaseCmp(tok,"REVISION:", 9) == 0) {
2824 revision = strtol(tok+9, NULL, 16);
2825 continue;
2826 }
2827
2828 if (StrnCaseCmp(tok,"OWNER:", 6) == 0) {
2829 owner_sid = (DOM_SID *)calloc(1, sizeof(DOM_SID));
2830 if (!owner_sid ||
2831 !convert_string_to_sid(ipc_cli, pol,
2832 numeric,
2833 owner_sid, tok+6)) {
2834 DEBUG(5, ("Failed to parse owner sid\n"));
2835 return NULL;
2836 }
2837 continue;
2838 }
2839
2840 if (StrnCaseCmp(tok,"OWNER+:", 7) == 0) {
2841 owner_sid = (DOM_SID *)calloc(1, sizeof(DOM_SID));
2842 if (!owner_sid ||
2843 !convert_string_to_sid(ipc_cli, pol,
2844 False,
2845 owner_sid, tok+7)) {
2846 DEBUG(5, ("Failed to parse owner sid\n"));
2847 return NULL;
2848 }
2849 continue;
2850 }
2851
2852 if (StrnCaseCmp(tok,"GROUP:", 6) == 0) {
2853 grp_sid = (DOM_SID *)calloc(1, sizeof(DOM_SID));
2854 if (!grp_sid ||
2855 !convert_string_to_sid(ipc_cli, pol,
2856 numeric,
2857 grp_sid, tok+6)) {
2858 DEBUG(5, ("Failed to parse group sid\n"));
2859 return NULL;
2860 }
2861 continue;
2862 }
2863
2864 if (StrnCaseCmp(tok,"GROUP+:", 7) == 0) {
2865 grp_sid = (DOM_SID *)calloc(1, sizeof(DOM_SID));
2866 if (!grp_sid ||
2867 !convert_string_to_sid(ipc_cli, pol,
2868 False,
2869 grp_sid, tok+6)) {
2870 DEBUG(5, ("Failed to parse group sid\n"));
2871 return NULL;
2872 }
2873 continue;
2874 }
2875
2876 if (StrnCaseCmp(tok,"ACL:", 4) == 0) {
2877 SEC_ACE ace;
2878 if (!parse_ace(ipc_cli, pol, &ace, numeric, tok+4)) {
2879 DEBUG(5, ("Failed to parse ACL %s\n", tok));
2880 return NULL;
2881 }
2882 if(!add_ace(&dacl, &ace, ctx)) {
2883 DEBUG(5, ("Failed to add ACL %s\n", tok));
2884 return NULL;
2885 }
2886 continue;
2887 }
2888
2889 if (StrnCaseCmp(tok,"ACL+:", 5) == 0) {
2890 SEC_ACE ace;
2891 if (!parse_ace(ipc_cli, pol, &ace, False, tok+5)) {
2892 DEBUG(5, ("Failed to parse ACL %s\n", tok));
2893 return NULL;
2894 }
2895 if(!add_ace(&dacl, &ace, ctx)) {
2896 DEBUG(5, ("Failed to add ACL %s\n", tok));
2897 return NULL;
2898 }
2899 continue;
2900 }
2901
2902 DEBUG(5, ("Failed to parse security descriptor\n"));
2903 return NULL;
2904 }
2905
2906 ret = make_sec_desc(ctx, revision, SEC_DESC_SELF_RELATIVE,
2907 owner_sid, grp_sid, NULL, dacl, &sd_size);
2908
2909 SAFE_FREE(grp_sid);
2910 SAFE_FREE(owner_sid);
2911
2912 return ret;
2913 }
2914
2915
2916 /*****************************************************
2917 retrieve the acls for a file
2918 *******************************************************/
2919 static int cacl_get(TALLOC_CTX *ctx, struct cli_state *cli,
2920 struct cli_state *ipc_cli, POLICY_HND *pol,
2921 char *filename, char *name, char *buf, int bufsize)
2922 {
2923 uint32 i;
2924 int n = 0;
2925 int n_used;
2926 BOOL all;
2927 BOOL numeric = True;
2928 BOOL determine_size = (bufsize == 0);
2929 int fnum = -1;
2930 SEC_DESC *sd;
2931 fstring sidstr;
2932 char *p;
2933
2934 fnum = cli_nt_create(cli, filename, CREATE_ACCESS_READ);
2935
2936 if (fnum == -1) {
2937 DEBUG(5, ("cacl_get failed to open %s: %s\n",
2938 filename, cli_errstr(cli)));
2939 errno = 0;
2940 return -1;
2941 }
2942
2943 sd = cli_query_secdesc(cli, fnum, ctx);
2944
2945 if (!sd) {
2946 DEBUG(5, ("cacl_get Failed to query old descriptor\n"));
2947 errno = 0;
2948 return -1;
2949 }
2950
2951 cli_close(cli, fnum);
2952
2953 all = (*name == '*');
2954 numeric = (* (name + strlen(name) - 1) != '+');
2955
2956 n_used = 0;
2957
2958 if (all) {
2959 if (determine_size) {
2960 p = talloc_asprintf(ctx,
2961 "REVISION:%d", sd->revision);
2962 if (!p) {
2963 errno = ENOMEM;
2964 return -1;
2965 }
2966 n = strlen(p);
2967 } else {
2968 n = snprintf(buf, bufsize,
2969 "REVISION:%d", sd->revision);
2970 }
2971 } else if (StrCaseCmp(name, "revision") == 0) {
2972 if (determine_size) {
2973 p = talloc_asprintf(ctx, "%d", sd->revision);
2974 if (!p) {
2975 errno = ENOMEM;
2976 return -1;
2977 }
2978 n = strlen(p);
2979 } else {
2980 n = snprintf(buf, bufsize, "%d", sd->revision);
2981 }
2982 }
2983
2984 if (!determine_size && n > bufsize) {
2985 errno = ERANGE;
2986 return -1;
2987 }
2988 buf += n;
2989 n_used += n;
2990 bufsize -= n;
2991
2992 /* Get owner and group sid */
2993
2994 if (sd->owner_sid) {
2995 convert_sid_to_string(ipc_cli, pol,
2996 sidstr, numeric, sd->owner_sid);
2997 } else {
2998 fstrcpy(sidstr, "");
2999 }
3000
3001 if (all) {
3002 if (determine_size) {
3003 p = talloc_asprintf(ctx, ",OWNER:%s", sidstr);
3004 if (!p) {
3005 errno = ENOMEM;
3006 return -1;
3007 }
3008 n = strlen(p);
3009 } else {
3010 n = snprintf(buf, bufsize, ",OWNER:%s", sidstr);
3011 }
3012 } else if (StrnCaseCmp(name, "owner", 5) == 0) {
3013 if (determine_size) {
3014 p = talloc_asprintf(ctx, "%s", sidstr);
3015 if (!p) {
3016 errno = ENOMEM;
3017 return -1;
3018 }
3019 n = strlen(p);
3020 } else {
3021 n = snprintf(buf, bufsize, "%s", sidstr);
3022 }
3023 }
3024
3025 if (!determine_size && n > bufsize) {
3026 errno = ERANGE;
3027 return -1;
3028 }
3029 buf += n;
3030 n_used += n;
3031 bufsize -= n;
3032
3033 if (sd->grp_sid) {
3034 convert_sid_to_string(ipc_cli, pol,
3035 sidstr, numeric, sd->grp_sid);
3036 } else {
3037 fstrcpy(sidstr, "");
3038 }
3039
3040 if (all) {
3041 if (determine_size) {
3042 p = talloc_asprintf(ctx, ",GROUP:%s", sidstr);
3043 if (!p) {
3044 errno = ENOMEM;
3045 return -1;
3046 }
3047 n = strlen(p);
3048 } else {
3049 n = snprintf(buf, bufsize, ",GROUP:%s", sidstr);
3050 }
3051 } else if (StrnCaseCmp(name, "group", 5) == 0) {
3052 if (determine_size) {
3053 p = talloc_asprintf(ctx, "%s", sidstr);
3054 if (!p) {
3055 errno = ENOMEM;
3056 return -1;
3057 }
3058 n = strlen(p);
3059 } else {
3060 n = snprintf(buf, bufsize, "%s", sidstr);
3061 }
3062 }
3063
3064 if (!determine_size && n > bufsize) {
3065 errno = ERANGE;
3066 return -1;
3067 }
3068 buf += n;
3069 n_used += n;
3070 bufsize -= n;
3071
3072 /* Add aces to value buffer */
3073 for (i = 0; sd->dacl && i < sd->dacl->num_aces; i++) {
3074
3075 SEC_ACE *ace = &sd->dacl->ace[i];
3076 convert_sid_to_string(ipc_cli, pol,
3077 sidstr, numeric, &ace->trustee);
3078
3079 if (all) {
3080 if (determine_size) {
3081 p = talloc_asprintf(ctx,
3082 ",ACL:%s:%d/%d/0x%08x",
3083 sidstr,
3084 ace->type,
3085 ace->flags,
3086 ace->info.mask);
3087 if (!p) {
3088 errno = ENOMEM;
3089 return -1;
3090 }
3091 n = strlen(p);
3092 } else {
3093 n = snprintf(buf, bufsize,
3094 ",ACL:%s:%d/%d/0x%08x",
3095 sidstr,
3096 ace->type,
3097 ace->flags,
3098 ace->info.mask);
3099 }
3100 } else if ((StrnCaseCmp(name, "acl", 3) == 0 &&
3101 StrCaseCmp(name + 3, sidstr) == 0) ||
3102 (StrnCaseCmp(name, "acl+", 4) == 0 &&
3103 StrCaseCmp(name + 4, sidstr) == 0)) {
3104 if (determine_size) {
3105 p = talloc_asprintf(ctx,
3106 "%d/%d/0x%08x",
3107 ace->type,
3108 ace->flags,
3109 ace->info.mask);
3110 if (!p) {
3111 errno = ENOMEM;
3112 return -1;
3113 }
3114 n = strlen(p);
3115 } else {
3116 n = snprintf(buf, bufsize,
3117 "%d/%d/0x%08x",
3118 ace->type, ace->flags, ace->info.mask);
3119 }
3120 }
3121 if (n > bufsize) {
3122 errno = ERANGE;
3123 return -1;
3124 }
3125 buf += n;
3126 n_used += n;
3127 bufsize -= n;
3128 }
3129
3130 if (n_used == 0) {
3131 errno = ENOATTR;
3132 return -1;
3133 }
3134 return n_used;
3135 }
3136
3137
3138 /*****************************************************
3139 set the ACLs on a file given an ascii description
3140 *******************************************************/
3141 static int cacl_set(TALLOC_CTX *ctx, struct cli_state *cli,
3142 struct cli_state *ipc_cli, POLICY_HND *pol,
3143 const char *filename, const char *the_acl,
3144 int mode, int flags)
3145 {
3146 int fnum;
3147 int err = 0;
3148 SEC_DESC *sd = NULL, *old;
3149 SEC_ACL *dacl = NULL;
3150 DOM_SID *owner_sid = NULL;
3151 DOM_SID *grp_sid = NULL;
3152 uint32 i, j;
3153 size_t sd_size;
3154 int ret = 0;
3155 char *p;
3156 BOOL numeric = True;
3157
3158 /* the_acl will be null for REMOVE_ALL operations */
3159 if (the_acl) {
3160 numeric = ((p = strchr(the_acl, ':')) != NULL &&
3161 p > the_acl &&
3162 p[-1] != '+');
3163
3164 /* if this is to set the entire ACL... */
3165 if (*the_acl == '*') {
3166 /* ... then increment past the first colon */
3167 the_acl = p + 1;
3168 }
3169
3170 sd = sec_desc_parse(ctx, ipc_cli, pol,
3171 numeric, (char *) the_acl);
3172
3173 if (!sd) {
3174 errno = EINVAL;
3175 return -1;
3176 }
3177 }
3178
3179 /* The desired access below is the only one I could find that works
3180 with NT4, W2KP and Samba */
3181
3182 fnum = cli_nt_create(cli, filename, CREATE_ACCESS_READ);
3183
3184 if (fnum == -1) {
3185 DEBUG(5, ("cacl_set failed to open %s: %s\n",
3186 filename, cli_errstr(cli)));
3187 errno = 0;
3188 return -1;
3189 }
3190
3191 old = cli_query_secdesc(cli, fnum, ctx);
3192
3193 if (!old) {
3194 DEBUG(5, ("cacl_set Failed to query old descriptor\n"));
3195 errno = 0;
3196 return -1;
3197 }
3198
3199 cli_close(cli, fnum);
3200
3201 switch (mode) {
3202 case SMBC_XATTR_MODE_REMOVE_ALL:
3203 old->dacl->num_aces = 0;
3204 SAFE_FREE(old->dacl->ace);
3205 SAFE_FREE(old->dacl);
3206 old->off_dacl = 0;
3207 dacl = old->dacl;
3208 break;
3209
3210 case SMBC_XATTR_MODE_REMOVE:
3211 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
3212 BOOL found = False;
3213
3214 for (j=0;old->dacl && j<old->dacl->num_aces;j++) {
3215 if (sec_ace_equal(&sd->dacl->ace[i],
3216 &old->dacl->ace[j])) {
3217 uint32 k;
3218 for (k=j; k<old->dacl->num_aces-1;k++) {
3219 old->dacl->ace[k] = old->dacl->ace[k+1];
3220 }
3221 old->dacl->num_aces--;
3222 if (old->dacl->num_aces == 0) {
3223 SAFE_FREE(old->dacl->ace);
3224 SAFE_FREE(old->dacl);
3225 old->off_dacl = 0;
3226 }
3227 found = True;
3228 dacl = old->dacl;
3229 break;
3230 }
3231 }
3232
3233 if (!found) {
3234 err = ENOATTR;
3235 ret = -1;
3236 goto failed;
3237 }
3238 }
3239 break;
3240
3241 case SMBC_XATTR_MODE_ADD:
3242 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
3243 BOOL found = False;
3244
3245 for (j=0;old->dacl && j<old->dacl->num_aces;j++) {
3246 if (sid_equal(&sd->dacl->ace[i].trustee,
3247 &old->dacl->ace[j].trustee)) {
3248 if (!(flags & SMBC_XATTR_FLAG_CREATE)) {
3249 err = EEXIST;
3250 ret = -1;
3251 goto failed;
3252 }
3253 old->dacl->ace[j] = sd->dacl->ace[i];
3254 ret = -1;
3255 found = True;
3256 }
3257 }
3258
3259 if (!found && (flags & SMBC_XATTR_FLAG_REPLACE)) {
3260 err = ENOATTR;
3261 ret = -1;
3262 goto failed;
3263 }
3264
3265 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
3266 add_ace(&old->dacl, &sd->dacl->ace[i], ctx);
3267 }
3268 }
3269 dacl = old->dacl;
3270 break;
3271
3272 case SMBC_XATTR_MODE_SET:
3273 old = sd;
3274 owner_sid = old->owner_sid;
3275 grp_sid = old->grp_sid;
3276 dacl = old->dacl;
3277 break;
3278
3279 case SMBC_XATTR_MODE_CHOWN:
3280 owner_sid = sd->owner_sid;
3281 break;
3282
3283 case SMBC_XATTR_MODE_CHGRP:
3284 grp_sid = sd->grp_sid;
3285 break;
3286 }
3287
3288 /* Denied ACE entries must come before allowed ones */
3289 sort_acl(old->dacl);
3290
3291 /* Create new security descriptor and set it */
3292 sd = make_sec_desc(ctx, old->revision, SEC_DESC_SELF_RELATIVE,
3293 owner_sid, grp_sid, NULL, dacl, &sd_size);
3294
3295 fnum = cli_nt_create(cli, filename,
3296 WRITE_DAC_ACCESS | WRITE_OWNER_ACCESS);
3297
3298 if (fnum == -1) {
3299 DEBUG(5, ("cacl_set failed to open %s: %s\n",
3300 filename, cli_errstr(cli)));
3301 errno = 0;
3302 return -1;
3303 }
3304
3305 if (!cli_set_secdesc(cli, fnum, sd)) {
3306 DEBUG(5, ("ERROR: secdesc set failed: %s\n", cli_errstr(cli)));
3307 ret = -1;
3308 }
3309
3310 /* Clean up */
3311
3312 failed:
3313 cli_close(cli, fnum);
3314
3315 if (err != 0) {
3316 errno = err;
3317 }
3318
3319 return ret;
3320 }
3321
3322
3323 int smbc_setxattr_ctx(SMBCCTX *context,
3324 const char *fname,
3325 const char *name,
3326 const void *value,
3327 size_t size,
3328 int flags)
3329 {
3330 int ret;
3331 SMBCSRV *srv;
3332 SMBCSRV *ipc_srv;
3333 fstring server, share, user, password, workgroup;
3334 pstring path;
3335 TALLOC_CTX *ctx;
3336 POLICY_HND pol;
3337
3338 if (!context || !context->internal ||
3339 !context->internal->_initialized) {
3340
3341 errno = EINVAL; /* Best I can think of ... */
3342 return -1;
3343
3344 }
3345
3346 if (!fname) {
3347
3348 errno = EINVAL;
3349 return -1;
3350
3351 }
3352
3353 DEBUG(4, ("smbc_setxattr(%s, %s, %.*s)\n",
3354 fname, name, (int) size, (char *) value));
3355
3356 smbc_parse_path(context, fname, server, share, path, user, password); /*FIXME, errors*/
3357
3358 if (user[0] == (char)0) fstrcpy(user, context->user);
3359
3360 fstrcpy(workgroup, context->workgroup);
3361
3362 srv = smbc_server(context, server, share, workgroup, user, password);
3363 if (!srv) {
3364 return -1; /* errno set by smbc_server */
3365 }
3366
3367 ipc_srv = smbc_attr_server(context, server, share,
3368 workgroup, user, password,
3369 &pol);
3370 if (!ipc_srv) {
3371 return -1;
3372 }
3373
3374 ctx = talloc_init("smbc_setxattr");
3375 if (!ctx) {
3376 errno = ENOMEM;
3377 return -1;
3378 }
3379
3380 /*
3381 * Are they asking to set an access control element or to set
3382 * the entire access control list?
3383 */
3384 if (StrCaseCmp(name, "system.nt_sec_desc.*") == 0 ||
3385 StrCaseCmp(name, "system.nt_sec_desc.*+") == 0 ||
3386 StrCaseCmp(name, "system.nt_sec_desc.revision") == 0 ||
3387 StrnCaseCmp(name, "system.nt_sec_desc.acl", 22) == 0 ||
3388 StrnCaseCmp(name, "system.nt_sec_desc.acl+", 23) == 0) {
3389
3390 /* Yup. */
3391 char *namevalue =
3392 talloc_asprintf(ctx, "%s:%s", name+19, (char *) value);
3393 if (! namevalue) {
3394 errno = ENOMEM;
3395 ret = -1;
3396 } else {
3397 ret = cacl_set(ctx, &srv->cli,
3398 &ipc_srv->cli, &pol, path,
3399 namevalue,
3400 (*namevalue == '*'
3401 ? SMBC_XATTR_MODE_SET
3402 : SMBC_XATTR_MODE_ADD),
3403 flags);
3404 }
3405 talloc_destroy(ctx);
3406 return ret;
3407 }
3408
3409 /*
3410 * Are they asking to set the owner?
3411 */
3412 if (StrCaseCmp(name, "system.nt_sec_desc.owner") == 0 ||
3413 StrCaseCmp(name, "system.nt_sec_desc.owner+") == 0) {
3414
3415 /* Yup. */
3416 char *namevalue =
3417 talloc_asprintf(ctx, "%s:%s", name+19, (char *) value);
3418 if (! namevalue) {
3419 errno = ENOMEM;
3420 ret = -1;
3421 } else {
3422 ret = cacl_set(ctx, &srv->cli,
3423 &ipc_srv->cli, &pol, path,
3424 namevalue, SMBC_XATTR_MODE_CHOWN, 0);
3425 }
3426 talloc_destroy(ctx);
3427 return ret;
3428 }
3429
3430 /*
3431 * Are they asking to set the group?
3432 */
3433 if (StrCaseCmp(name, "system.nt_sec_desc.group") == 0 ||
3434 StrCaseCmp(name, "system.nt_sec_desc.group+") == 0) {
3435
3436 /* Yup. */
3437 char *namevalue =
3438 talloc_asprintf(ctx, "%s:%s", name+19, (char *) value);
3439 if (! namevalue) {
3440 errno = ENOMEM;
3441 ret = -1;
3442 } else {
3443 ret = cacl_set(ctx, &srv->cli,
3444 &ipc_srv->cli, &pol, path,
3445 namevalue, SMBC_XATTR_MODE_CHOWN, 0);
3446 }
3447 talloc_destroy(ctx);
3448 return ret;
3449 }
3450
3451 /* Unsupported attribute name */
3452 talloc_destroy(ctx);
3453 errno = EINVAL;
3454 return -1;
3455 }
3456
3457 int smbc_getxattr_ctx(SMBCCTX *context,
3458 const char *fname,
3459 const char *name,
3460 const void *value,
3461 size_t size)
3462 {
3463 int ret;
3464 SMBCSRV *srv;
3465 SMBCSRV *ipc_srv;
3466 fstring server, share, user, password, workgroup;
3467 pstring path;
3468 TALLOC_CTX *ctx;
3469 POLICY_HND pol;
3470
3471 if (!context || !context->internal ||
3472 !context->internal->_initialized) {
3473
3474 errno = EINVAL; /* Best I can think of ... */
3475 return -1;
3476
3477 }
3478
3479 if (!fname) {
3480
3481 errno = EINVAL;
3482 return -1;
3483
3484 }
3485
3486 DEBUG(4, ("smbc_getxattr(%s, %s)\n", fname, name));
3487
3488 smbc_parse_path(context, fname, server, share, path, user, password); /*FIXME, errors*/
3489
3490 if (user[0] == (char)0) fstrcpy(user, context->user);
3491
3492 fstrcpy(workgroup, context->workgroup);
3493
3494 srv = smbc_server(context, server, share, workgroup, user, password);
3495 if (!srv) {
3496 return -1; /* errno set by smbc_server */
3497 }
3498
3499 ipc_srv = smbc_attr_server(context, server, share,
3500 workgroup, user, password,
3501 &pol);
3502 if (!ipc_srv) {
3503 return -1;
3504 }
3505
3506 ctx = talloc_init("smbc:getxattr");
3507 if (!ctx) {
3508 errno = ENOMEM;
3509 return -1;
3510 }
3511
3512 /* Are they requesting a supported attribute? */
3513 if (StrCaseCmp(name, "system.nt_sec_desc.*") == 0 ||
3514 StrCaseCmp(name, "system.nt_sec_desc.*+") == 0 ||
3515 StrCaseCmp(name, "system.nt_sec_desc.revision") == 0 ||
3516 StrCaseCmp(name, "system.nt_sec_desc.owner") == 0 ||
3517 StrCaseCmp(name, "system.nt_sec_desc.owner+") == 0 ||
3518 StrCaseCmp(name, "system.nt_sec_desc.group") == 0 ||
3519 StrCaseCmp(name, "system.nt_sec_desc.group+") == 0 ||
3520 StrnCaseCmp(name, "system.nt_sec_desc.acl", 22) == 0 ||
3521 StrnCaseCmp(name, "system.nt_sec_desc.acl+", 23) == 0) {
3522
3523 /* Yup. */
3524 ret = cacl_get(ctx, &srv->cli,
3525 &ipc_srv->cli, &pol,
3526 (char *) path, (char *) name + 19,
3527 (char *) value, size);
3528 if (ret < 0 && errno == 0) {
3529 errno = smbc_errno(context, &srv->cli);
3530 }
3531 talloc_destroy(ctx);
3532 return ret;
3533 }
3534
3535 /* Unsupported attribute name */
3536 talloc_destroy(ctx);
3537 errno = EINVAL;
3538 return -1;
3539 }
3540
3541
3542 int smbc_removexattr_ctx(SMBCCTX *context,
3543 const char *fname,
3544 const char *name)
3545 {
3546 int ret;
3547 SMBCSRV *srv;
3548 SMBCSRV *ipc_srv;
3549 fstring server, share, user, password, workgroup;
3550 pstring path;
3551 TALLOC_CTX *ctx;
3552 POLICY_HND pol;
3553
3554 if (!context || !context->internal ||
3555 !context->internal->_initialized) {
3556
3557 errno = EINVAL; /* Best I can think of ... */
3558 return -1;
3559
3560 }
3561
3562 if (!fname) {
3563
3564 errno = EINVAL;
3565 return -1;
3566
3567 }
3568
3569 DEBUG(4, ("smbc_removexattr(%s, %s)\n", fname, name));
3570
3571 smbc_parse_path(context, fname, server, share, path, user, password); /*FIXME, errors*/
3572
3573 if (user[0] == (char)0) fstrcpy(user, context->user);
3574
3575 fstrcpy(workgroup, context->workgroup);
3576
3577 srv = smbc_server(context, server, share, workgroup, user, password);
3578 if (!srv) {
3579 return -1; /* errno set by smbc_server */
3580 }
3581
3582 ipc_srv = smbc_attr_server(context, server, share,
3583 workgroup, user, password,
3584 &pol);
3585 if (!ipc_srv) {
3586 return -1;
3587 }
3588
3589 ipc_srv = smbc_attr_server(context, server, share,
3590 workgroup, user, password,
3591 &pol);
3592 if (!ipc_srv) {
3593 return -1;
3594 }
3595
3596 ctx = talloc_init("smbc_removexattr");
3597 if (!ctx) {
3598 errno = ENOMEM;
3599 return -1;
3600 }
3601
3602 /* Are they asking to set the entire ACL? */
3603 if (StrCaseCmp(name, "system.nt_sec_desc.*") == 0 ||
3604 StrCaseCmp(name, "system.nt_sec_desc.*+") == 0) {
3605
3606 /* Yup. */
3607 ret = cacl_set(ctx, &srv->cli,
3608 &ipc_srv->cli, &pol, path,
3609 NULL, SMBC_XATTR_MODE_REMOVE_ALL, 0);
3610 talloc_destroy(ctx);
3611 return ret;
3612 }
3613
3614 /*
3615 * Are they asking to remove one or more spceific security descriptor
3616 * attributes?
3617 */
3618 if (StrCaseCmp(name, "system.nt_sec_desc.revision") == 0 ||
3619 StrCaseCmp(name, "system.nt_sec_desc.owner") == 0 ||
3620 StrCaseCmp(name, "system.nt_sec_desc.owner+") == 0 ||
3621 StrCaseCmp(name, "system.nt_sec_desc.group") == 0 ||
3622 StrCaseCmp(name, "system.nt_sec_desc.group+") == 0 ||
3623 StrnCaseCmp(name, "system.nt_sec_desc.acl", 22) == 0 ||
3624 StrnCaseCmp(name, "system.nt_sec_desc.acl+", 23) == 0) {
3625
3626 /* Yup. */
3627 ret = cacl_set(ctx, &srv->cli,
3628 &ipc_srv->cli, &pol, path,
3629 name + 19, SMBC_XATTR_MODE_REMOVE, 0);
3630 talloc_destroy(ctx);
3631 return ret;
3632 }
3633
3634 /* Unsupported attribute name */
3635 talloc_destroy(ctx);
3636 errno = EINVAL;
3637 return -1;
3638 }
3639
3640 int smbc_listxattr_ctx(SMBCCTX *context,
3641 const char *fname,
3642 char *list,
3643 size_t size)
3644 {
3645 /*
3646 * This isn't quite what listxattr() is supposed to do. This returns
3647 * the complete set of attributes, always, rather than only those
3648 * attribute names which actually exist for a file. Hmmm...
3649 */
3650 const char supported[] =
3651 "system.nt_sec_desc.revision\0"
3652 "system.nt_sec_desc.owner\0"
3653 "system.nt_sec_desc.owner+\0"
3654 "system.nt_sec_desc.group\0"
3655 "system.nt_sec_desc.group+\0"
3656 "system.nt_sec_desc.acl\0"
3657 "system.nt_sec_desc.acl+\0"
3658 "system.nt_sec_desc.*\0"
3659 "system.nt_sec_desc.*+\0"
3660 ;
3661
3662 if (size == 0) {
3663 return sizeof(supported);
3664 }
3665
3666 if (sizeof(supported) > size) {
3667 errno = ERANGE;
3668 return -1;
3669 }
3670
3671 /* this can't be strcpy() because there are embedded null characters */
3672 memcpy(list, supported, sizeof(supported));
3673 return sizeof(supported);
3674 }
3675
3676
3677 /*
3678 * Open a print file to be written to by other calls
3679 */
3680
3681 static SMBCFILE *smbc_open_print_job_ctx(SMBCCTX *context, const char *fname)
3682 {
3683 fstring server, share, user, password;
3684 pstring path;
3685
3686 if (!context || !context->internal ||
3687 !context->internal->_initialized) {
3688
3689 errno = EINVAL;
3690 return NULL;
3691
3692 }
3693
3694 if (!fname) {
3695
3696 errno = EINVAL;
3697 return NULL;
3698
3699 }
3700
3701 DEBUG(4, ("smbc_open_print_job_ctx(%s)\n", fname));
3702
3703 smbc_parse_path(context, fname, server, share, path, user, password); /*FIXME, errors*/
3704
3705 /* What if the path is empty, or the file exists? */
3706
3707 return context->open(context, fname, O_WRONLY, 666);
3708
3709 }
3710
3711 /*
3712 * Routine to print a file on a remote server ...
3713 *
3714 * We open the file, which we assume to be on a remote server, and then
3715 * copy it to a print file on the share specified by printq.
3716 */
3717
3718 static int smbc_print_file_ctx(SMBCCTX *c_file, const char *fname, SMBCCTX *c_print, const char *printq)
3719 {
3720 SMBCFILE *fid1, *fid2;
3721 int bytes, saverr, tot_bytes = 0;
3722 char buf[4096];
3723
3724 if (!c_file || !c_file->internal->_initialized || !c_print ||
3725 !c_print->internal->_initialized) {
3726
3727 errno = EINVAL;
3728 return -1;
3729
3730 }
3731
3732 if (!fname && !printq) {
3733
3734 errno = EINVAL;
3735 return -1;
3736
3737 }
3738
3739 /* Try to open the file for reading ... */
3740
3741 if ((int)(fid1 = c_file->open(c_file, fname, O_RDONLY, 0666)) < 0) {
3742
3743 DEBUG(3, ("Error, fname=%s, errno=%i\n", fname, errno));
3744 return -1; /* smbc_open sets errno */
3745
3746 }
3747
3748 /* Now, try to open the printer file for writing */
3749
3750 if ((int)(fid2 = c_print->open_print_job(c_print, printq)) < 0) {
3751
3752 saverr = errno; /* Save errno */
3753 c_file->close(c_file, fid1);
3754 errno = saverr;
3755 return -1;
3756
3757 }
3758
3759 while ((bytes = c_file->read(c_file, fid1, buf, sizeof(buf))) > 0) {
3760
3761 tot_bytes += bytes;
3762
3763 if ((c_print->write(c_print, fid2, buf, bytes)) < 0) {
3764
3765 saverr = errno;
3766 c_file->close(c_file, fid1);
3767 c_print->close(c_print, fid2);
3768 errno = saverr;
3769
3770 }
3771
3772 }
3773
3774 saverr = errno;
3775
3776 c_file->close(c_file, fid1); /* We have to close these anyway */
3777 c_print->close(c_print, fid2);
3778
3779 if (bytes < 0) {
3780
3781 errno = saverr;
3782 return -1;
3783
3784 }
3785
3786 return tot_bytes;
3787
3788 }
3789
3790 /*
3791 * Routine to list print jobs on a printer share ...
3792 */
3793
3794 static int smbc_list_print_jobs_ctx(SMBCCTX *context, const char *fname, smbc_list_print_job_fn fn)
3795 {
3796 SMBCSRV *srv;
3797 fstring server, share, user, password, workgroup;
3798 pstring path;
3799
3800 if (!context || !context->internal ||
3801 !context->internal->_initialized) {
3802
3803 errno = EINVAL;
3804 return -1;
3805
3806 }
3807
3808 if (!fname) {
3809
3810 errno = EINVAL;
3811 return -1;
3812
3813 }
3814
3815 DEBUG(4, ("smbc_list_print_jobs(%s)\n", fname));
3816
3817 smbc_parse_path(context, fname, server, share, path, user, password); /*FIXME, errors*/
3818
3819 if (user[0] == (char)0) fstrcpy(user, context->user);
3820
3821 fstrcpy(workgroup, context->workgroup);
3822
3823 srv = smbc_server(context, server, share, workgroup, user, password);
3824
3825 if (!srv) {
3826
3827 return -1; /* errno set by smbc_server */
3828
3829 }
3830
3831 if (cli_print_queue(&srv->cli, (void (*)(struct print_job_info *))fn) < 0) {
3832
3833 errno = smbc_errno(context, &srv->cli);
3834 return -1;
3835
3836 }
3837
3838 return 0;
3839
3840 }
3841
3842 /*
3843 * Delete a print job from a remote printer share
3844 */
3845
3846 static int smbc_unlink_print_job_ctx(SMBCCTX *context, const char *fname, int id)
3847 {
3848 SMBCSRV *srv;
3849 fstring server, share, user, password, workgroup;
3850 pstring path;
3851 int err;
3852
3853 if (!context || !context->internal ||
3854 !context->internal->_initialized) {
3855
3856 errno = EINVAL;
3857 return -1;
3858
3859 }
3860
3861 if (!fname) {
3862
3863 errno = EINVAL;
3864 return -1;
3865
3866 }
3867
3868 DEBUG(4, ("smbc_unlink_print_job(%s)\n", fname));
3869
3870 smbc_parse_path(context, fname, server, share, path, user, password); /*FIXME, errors*/
3871
3872 if (user[0] == (char)0) fstrcpy(user, context->user);
3873
3874 fstrcpy(workgroup, context->workgroup);
3875
3876 srv = smbc_server(context, server, share, workgroup, user, password);
3877
3878 if (!srv) {
3879
3880 return -1; /* errno set by smbc_server */
3881
3882 }
3883
3884 if ((err = cli_printjob_del(&srv->cli, id)) != 0) {
3885
3886 if (err < 0)
3887 errno = smbc_errno(context, &srv->cli);
3888 else if (err == ERRnosuchprintjob)
3889 errno = EINVAL;
3890 return -1;
3891
3892 }
3893
3894 return 0;
3895
3896 }
3897
3898 /*
3899 * Get a new empty handle to fill in with your own info
3900 */
3901 SMBCCTX * smbc_new_context(void)
3902 {
3903 SMBCCTX * context;
3904
3905 context = malloc(sizeof(SMBCCTX));
3906 if (!context) {
3907 errno = ENOMEM;
3908 return NULL;
3909 }
3910
3911 ZERO_STRUCTP(context);
3912
3913 context->internal = malloc(sizeof(struct smbc_internal_data));
3914 if (!context->internal) {
3915 errno = ENOMEM;
3916 return NULL;
3917 }
3918
3919 ZERO_STRUCTP(context->internal);
3920
3921
3922 /* ADD REASONABLE DEFAULTS */
3923 context->debug = 0;
3924 context->timeout = 20000; /* 20 seconds */
3925
3926 context->open = smbc_open_ctx;
3927 context->creat = smbc_creat_ctx;
3928 context->read = smbc_read_ctx;
3929 context->write = smbc_write_ctx;
3930 context->close = smbc_close_ctx;
3931 context->unlink = smbc_unlink_ctx;
3932 context->rename = smbc_rename_ctx;
3933 context->lseek = smbc_lseek_ctx;
3934 context->stat = smbc_stat_ctx;
3935 context->fstat = smbc_fstat_ctx;
3936 context->opendir = smbc_opendir_ctx;
3937 context->closedir = smbc_closedir_ctx;
3938 context->readdir = smbc_readdir_ctx;
3939 context->getdents = smbc_getdents_ctx;
3940 context->mkdir = smbc_mkdir_ctx;
3941 context->rmdir = smbc_rmdir_ctx;
3942 context->telldir = smbc_telldir_ctx;
3943 context->lseekdir = smbc_lseekdir_ctx;
3944 context->fstatdir = smbc_fstatdir_ctx;
3945 context->chmod = smbc_chmod_ctx;
3946 context->utimes = smbc_utimes_ctx;
3947 context->setxattr = smbc_setxattr_ctx;
3948 context->getxattr = smbc_getxattr_ctx;
3949 context->removexattr = smbc_removexattr_ctx;
3950 context->listxattr = smbc_listxattr_ctx;
3951 context->open_print_job = smbc_open_print_job_ctx;
3952 context->print_file = smbc_print_file_ctx;
3953 context->list_print_jobs = smbc_list_print_jobs_ctx;
3954 context->unlink_print_job = smbc_unlink_print_job_ctx;
3955
3956 context->callbacks.check_server_fn = smbc_check_server;
3957 context->callbacks.remove_unused_server_fn = smbc_remove_unused_server;
3958
3959 smbc_default_cache_functions(context);
3960
3961 return context;
3962 }
3963
3964 /*
3965 * Free a context
3966 *
3967 * Returns 0 on success. Otherwise returns 1, the SMBCCTX is _not_ freed
3968 * and thus you'll be leaking memory if not handled properly.
3969 *
3970 */
3971 int smbc_free_context(SMBCCTX * context, int shutdown_ctx)
3972 {
3973 if (!context) {
3974 errno = EBADF;
3975 return 1;
3976 }
3977
3978 if (shutdown_ctx) {
3979 SMBCFILE * f;
3980 DEBUG(1,("Performing aggressive shutdown.\n"));
3981
3982 f = context->internal->_files;
3983 while (f) {
3984 context->close(context, f);
3985 f = f->next;
3986 }
3987 context->internal->_files = NULL;
3988
3989 /* First try to remove the servers the nice way. */
3990 if (context->callbacks.purge_cached_fn(context)) {
3991 SMBCSRV * s;
3992 DEBUG(1, ("Could not purge all servers, Nice way shutdown failed.\n"));
3993 s = context->internal->_servers;
3994 while (s) {
3995 cli_shutdown(&s->cli);
3996 context->callbacks.remove_cached_srv_fn(context, s);
3997 SAFE_FREE(s);
3998 s = s->next;
3999 }
4000 context->internal->_servers = NULL;
4001 }
4002 }
4003 else {
4004 /* This is the polite way */
4005 if (context->callbacks.purge_cached_fn(context)) {
4006 DEBUG(1, ("Could not purge all servers, free_context failed.\n"));
4007 errno = EBUSY;
4008 return 1;
4009 }
4010 if (context->internal->_servers) {
4011 DEBUG(1, ("Active servers in context, free_context failed.\n"));
4012 errno = EBUSY;
4013 return 1;
4014 }
4015 if (context->internal->_files) {
4016 DEBUG(1, ("Active files in context, free_context failed.\n"));
4017 errno = EBUSY;
4018 return 1;
4019 }
4020 }
4021
4022 /* Things we have to clean up */
4023 SAFE_FREE(context->workgroup);
4024 SAFE_FREE(context->netbios_name);
4025 SAFE_FREE(context->user);
4026
4027 DEBUG(3, ("Context %p succesfully freed\n", context));
4028 SAFE_FREE(context->internal);
4029 SAFE_FREE(context);
4030 return 0;
4031 }
4032
4033
4034 /*
4035 * Initialise the library etc
4036 *
4037 * We accept a struct containing handle information.
4038 * valid values for info->debug from 0 to 100,
4039 * and insist that info->fn must be non-null.
4040 */
4041 SMBCCTX * smbc_init_context(SMBCCTX * context)
4042 {
4043 pstring conf;
4044 int pid;
4045 char *user = NULL, *home = NULL;
4046
4047 if (!context || !context->internal) {
4048 errno = EBADF;
4049 return NULL;
4050 }
4051
4052 /* Do not initialise the same client twice */
4053 if (context->internal->_initialized) {
4054 return 0;
4055 }
4056
4057 if (!context->callbacks.auth_fn || context->debug < 0 || context->debug > 100) {
4058
4059 errno = EINVAL;
4060 return NULL;
4061
4062 }
4063
4064 if (!smbc_initialized) {
4065 /* Do some library wide intialisations the first time we get called */
4066
4067 /* Set this to what the user wants */
4068 DEBUGLEVEL = context->debug;
4069
4070 setup_logging( "libsmbclient", True);
4071
4072 /* Here we would open the smb.conf file if needed ... */
4073
4074 home = getenv("HOME");
4075
4076 slprintf(conf, sizeof(conf), "%s/.smb/smb.conf", home);
4077
4078 load_interfaces(); /* Load the list of interfaces ... */
4079
4080 in_client = True; /* FIXME, make a param */
4081
4082 if (!lp_load(conf, True, False, False)) {
4083
4084 /*
4085 * Well, if that failed, try the dyn_CONFIGFILE
4086 * Which points to the standard locn, and if that
4087 * fails, silently ignore it and use the internal
4088 * defaults ...
4089 */
4090
4091 if (!lp_load(dyn_CONFIGFILE, True, False, False)) {
4092 DEBUG(5, ("Could not load either config file: %s or %s\n",
4093 conf, dyn_CONFIGFILE));
4094 }
4095 }
4096
4097 reopen_logs(); /* Get logging working ... */
4098
4099 /*
4100 * Block SIGPIPE (from lib/util_sock.c: write())
4101 * It is not needed and should not stop execution
4102 */
4103 BlockSignals(True, SIGPIPE);
4104
4105 /* Done with one-time initialisation */
4106 smbc_initialized = 1;
4107
4108 }
4109
4110 if (!context->user) {
4111 /*
4112 * FIXME: Is this the best way to get the user info?
4113 */
4114 user = getenv("USER");
4115 /* walk around as "guest" if no username can be found */
4116 if (!user) context->user = strdup("guest");
4117 else context->user = strdup(user);
4118 }
4119
4120 if (!context->netbios_name) {
4121 /*
4122 * We try to get our netbios name from the config. If that fails we fall
4123 * back on constructing our netbios name from our hostname etc
4124 */
4125 if (global_myname()) {
4126 context->netbios_name = strdup(global_myname());
4127 }
4128 else {
4129 /*
4130 * Hmmm, I want to get hostname as well, but I am too lazy for the moment
4131 */
4132 pid = sys_getpid();
4133 context->netbios_name = malloc(17);
4134 if (!context->netbios_name) {
4135 errno = ENOMEM;
4136 return NULL;
4137 }
4138 slprintf(context->netbios_name, 16, "smbc%s%d", context->user, pid);
4139 }
4140 }
4141
4142 DEBUG(1, ("Using netbios name %s.\n", context->netbios_name));
4143
4144 if (!context->workgroup) {
4145 if (lp_workgroup()) {
4146 context->workgroup = strdup(lp_workgroup());
4147 }
4148 else {
4149 /* TODO: Think about a decent default workgroup */
4150 context->workgroup = strdup("samba");
4151 }
4152 }
4153
4154 DEBUG(1, ("Using workgroup %s.\n", context->workgroup));
4155
4156 /* shortest timeout is 1 second */
4157 if (context->timeout > 0 && context->timeout < 1000)
4158 context->timeout = 1000;
4159
4160 /*
4161 * FIXME: Should we check the function pointers here?
4162 */
4163
4164 context->internal->_initialized = 1;
4165
4166 return context;
4167 }
reg import