s3:auth_generic: add auth_generic_client_start_by_name()
[samba.git] / source3 / libsmb / libsmb_dir.c
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 2003-2008
9    Copyright (C) Jeremy Allison 2007, 2008
10
11    This program is free software; you can redistribute it and/or modify
12    it under the terms of the GNU General Public License as published by
13    the Free Software Foundation; either version 3 of the License, or
14    (at your option) any later version.
15
16    This program is distributed in the hope that it will be useful,
17    but WITHOUT ANY WARRANTY; without even the implied warranty of
18    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19    GNU General Public License for more details.
20
21    You should have received a copy of the GNU General Public License
22    along with this program.  If not, see <http://www.gnu.org/licenses/>.
23 */
24
25 #include "includes.h"
26 #include "libsmb/libsmb.h"
27 #include "auth_info.h"
28 #include "libsmbclient.h"
29 #include "libsmb_internal.h"
30 #include "rpc_client/cli_pipe.h"
31 #include "../librpc/gen_ndr/ndr_srvsvc_c.h"
32 #include "libsmb/nmblib.h"
33 #include "../libcli/smb/smbXcli_base.h"
34 #include "../libcli/security/security.h"
35 #include "lib/util/tevent_ntstatus.h"
36
37 /*
38  * Routine to open a directory
39  * We accept the URL syntax explained in SMBC_parse_path(), above.
40  */
41
42 static void
43 remove_dir(SMBCFILE *dir)
44 {
45         struct smbc_dir_list *d,*f;
46
47         d = dir->dir_list;
48         while (d) {
49
50                 f = d; d = d->next;
51
52                 SAFE_FREE(f->dirent);
53                 SAFE_FREE(f);
54
55         }
56
57         dir->dir_list = dir->dir_end = dir->dir_next = NULL;
58
59 }
60
61 static int
62 add_dirent(SMBCFILE *dir,
63            const char *name,
64            const char *comment,
65            uint32_t type)
66 {
67         struct smbc_dirent *dirent;
68         int size;
69         int name_length = (name == NULL ? 0 : strlen(name));
70         int comment_len = (comment == NULL ? 0 : strlen(comment));
71
72         /*
73          * Allocate space for the dirent, which must be increased by the
74          * size of the name and the comment and 1 each for the null terminator.
75          */
76
77         size = sizeof(struct smbc_dirent) + name_length + comment_len + 2;
78
79         dirent = (struct smbc_dirent *)SMB_MALLOC(size);
80
81         if (!dirent) {
82
83                 dir->dir_error = ENOMEM;
84                 return -1;
85
86         }
87
88         ZERO_STRUCTP(dirent);
89
90         if (dir->dir_list == NULL) {
91
92                 dir->dir_list = SMB_MALLOC_P(struct smbc_dir_list);
93                 if (!dir->dir_list) {
94
95                         SAFE_FREE(dirent);
96                         dir->dir_error = ENOMEM;
97                         return -1;
98
99                 }
100                 ZERO_STRUCTP(dir->dir_list);
101
102                 dir->dir_end = dir->dir_next = dir->dir_list;
103         }
104         else {
105
106                 dir->dir_end->next = SMB_MALLOC_P(struct smbc_dir_list);
107
108                 if (!dir->dir_end->next) {
109
110                         SAFE_FREE(dirent);
111                         dir->dir_error = ENOMEM;
112                         return -1;
113
114                 }
115                 ZERO_STRUCTP(dir->dir_end->next);
116
117                 dir->dir_end = dir->dir_end->next;
118         }
119
120         dir->dir_end->next = NULL;
121         dir->dir_end->dirent = dirent;
122
123         dirent->smbc_type = type;
124         dirent->namelen = name_length;
125         dirent->commentlen = comment_len;
126         dirent->dirlen = size;
127
128         /*
129          * dirent->namelen + 1 includes the null (no null termination needed)
130          * Ditto for dirent->commentlen.
131          * The space for the two null bytes was allocated.
132          */
133         strncpy(dirent->name, (name?name:""), dirent->namelen + 1);
134         dirent->comment = (char *)(&dirent->name + dirent->namelen + 1);
135         strncpy(dirent->comment, (comment?comment:""), dirent->commentlen + 1);
136
137         return 0;
138
139 }
140
141 static void
142 list_unique_wg_fn(const char *name,
143                   uint32_t type,
144                   const char *comment,
145                   void *state)
146 {
147         SMBCFILE *dir = (SMBCFILE *)state;
148         struct smbc_dir_list *dir_list;
149         struct smbc_dirent *dirent;
150         int dirent_type;
151         int do_remove = 0;
152
153         dirent_type = dir->dir_type;
154
155         if (add_dirent(dir, name, comment, dirent_type) < 0) {
156                 /* An error occurred, what do we do? */
157                 /* FIXME: Add some code here */
158                 /* Change cli_NetServerEnum to take a fn
159                    returning NTSTATUS... JRA. */
160         }
161
162         /* Point to the one just added */
163         dirent = dir->dir_end->dirent;
164
165         /* See if this was a duplicate */
166         for (dir_list = dir->dir_list;
167              dir_list != dir->dir_end;
168              dir_list = dir_list->next) {
169                 if (! do_remove &&
170                     strcmp(dir_list->dirent->name, dirent->name) == 0) {
171                         /* Duplicate.  End end of list need to be removed. */
172                         do_remove = 1;
173                 }
174
175                 if (do_remove && dir_list->next == dir->dir_end) {
176                         /* Found the end of the list.  Remove it. */
177                         dir->dir_end = dir_list;
178                         free(dir_list->next);
179                         free(dirent);
180                         dir_list->next = NULL;
181                         break;
182                 }
183         }
184 }
185
186 static void
187 list_fn(const char *name,
188         uint32_t type,
189         const char *comment,
190         void *state)
191 {
192         SMBCFILE *dir = (SMBCFILE *)state;
193         int dirent_type;
194
195         /*
196          * We need to process the type a little ...
197          *
198          * Disk share     = 0x00000000
199          * Print share    = 0x00000001
200          * Comms share    = 0x00000002 (obsolete?)
201          * IPC$ share     = 0x00000003
202          *
203          * administrative shares:
204          * ADMIN$, IPC$, C$, D$, E$ ...  are type |= 0x80000000
205          */
206
207         if (dir->dir_type == SMBC_FILE_SHARE) {
208                 switch (type) {
209                 case 0 | 0x80000000:
210                 case 0:
211                         dirent_type = SMBC_FILE_SHARE;
212                         break;
213
214                 case 1:
215                         dirent_type = SMBC_PRINTER_SHARE;
216                         break;
217
218                 case 2:
219                         dirent_type = SMBC_COMMS_SHARE;
220                         break;
221
222                 case 3 | 0x80000000:
223                 case 3:
224                         dirent_type = SMBC_IPC_SHARE;
225                         break;
226
227                 default:
228                         dirent_type = SMBC_FILE_SHARE; /* FIXME, error? */
229                         break;
230                 }
231         }
232         else {
233                 dirent_type = dir->dir_type;
234         }
235
236         if (add_dirent(dir, name, comment, dirent_type) < 0) {
237                 /* An error occurred, what do we do? */
238                 /* FIXME: Add some code here */
239                 /* Change cli_NetServerEnum to take a fn
240                    returning NTSTATUS... JRA. */
241         }
242 }
243
244 static NTSTATUS
245 dir_list_fn(const char *mnt,
246             struct file_info *finfo,
247             const char *mask,
248             void *state)
249 {
250
251         if (add_dirent((SMBCFILE *)state, finfo->name, "",
252                        (finfo->mode&FILE_ATTRIBUTE_DIRECTORY?SMBC_DIR:SMBC_FILE)) < 0) {
253                 SMBCFILE *dir = (SMBCFILE *)state;
254                 return map_nt_error_from_unix(dir->dir_error);
255         }
256         return NT_STATUS_OK;
257 }
258
259 static int
260 net_share_enum_rpc(struct cli_state *cli,
261                    void (*fn)(const char *name,
262                               uint32_t type,
263                               const char *comment,
264                               void *state),
265                    void *state)
266 {
267         int i;
268         WERROR result;
269         uint32_t preferred_len = 0xffffffff;
270         uint32_t type;
271         struct srvsvc_NetShareInfoCtr info_ctr;
272         struct srvsvc_NetShareCtr1 ctr1;
273         fstring name = "";
274         fstring comment = "";
275         struct rpc_pipe_client *pipe_hnd = NULL;
276         NTSTATUS nt_status;
277         uint32_t resume_handle = 0;
278         uint32_t total_entries = 0;
279         struct dcerpc_binding_handle *b;
280
281         /* Open the server service pipe */
282         nt_status = cli_rpc_pipe_open_noauth(cli, &ndr_table_srvsvc,
283                                              &pipe_hnd);
284         if (!NT_STATUS_IS_OK(nt_status)) {
285                 DEBUG(1, ("net_share_enum_rpc pipe open fail!\n"));
286                 return -1;
287         }
288
289         ZERO_STRUCT(info_ctr);
290         ZERO_STRUCT(ctr1);
291
292         info_ctr.level = 1;
293         info_ctr.ctr.ctr1 = &ctr1;
294
295         b = pipe_hnd->binding_handle;
296
297         /* Issue the NetShareEnum RPC call and retrieve the response */
298         nt_status = dcerpc_srvsvc_NetShareEnumAll(b, talloc_tos(),
299                                                   pipe_hnd->desthost,
300                                                   &info_ctr,
301                                                   preferred_len,
302                                                   &total_entries,
303                                                   &resume_handle,
304                                                   &result);
305
306         /* Was it successful? */
307         if (!NT_STATUS_IS_OK(nt_status)) {
308                 /*  Nope.  Go clean up. */
309                 result = ntstatus_to_werror(nt_status);
310                 goto done;
311         }
312
313         if (!W_ERROR_IS_OK(result)) {
314                 /*  Nope.  Go clean up. */
315                 goto done;
316         }
317
318         if (total_entries == 0) {
319                 /*  Nope.  Go clean up. */
320                 result = WERR_GENERAL_FAILURE;
321                 goto done;
322         }
323
324         /* For each returned entry... */
325         for (i = 0; i < info_ctr.ctr.ctr1->count; i++) {
326
327                 /* pull out the share name */
328                 fstrcpy(name, info_ctr.ctr.ctr1->array[i].name);
329
330                 /* pull out the share's comment */
331                 fstrcpy(comment, info_ctr.ctr.ctr1->array[i].comment);
332
333                 /* Get the type value */
334                 type = info_ctr.ctr.ctr1->array[i].type;
335
336                 /* Add this share to the list */
337                 (*fn)(name, type, comment, state);
338         }
339
340 done:
341         /* Close the server service pipe */
342         TALLOC_FREE(pipe_hnd);
343
344         /* Tell 'em if it worked */
345         return W_ERROR_IS_OK(result) ? 0 : -1;
346 }
347
348
349 /*
350  * Verify that the options specified in a URL are valid
351  */
352 int
353 SMBC_check_options(char *server,
354                    char *share,
355                    char *path,
356                    char *options)
357 {
358         DEBUG(4, ("SMBC_check_options(): server='%s' share='%s' "
359                   "path='%s' options='%s'\n",
360                   server, share, path, options));
361
362         /* No options at all is always ok */
363         if (! *options) return 0;
364
365         /* Currently, we don't support any options. */
366         return -1;
367 }
368
369
370 SMBCFILE *
371 SMBC_opendir_ctx(SMBCCTX *context,
372                  const char *fname)
373 {
374         int saved_errno;
375         char *server = NULL;
376         char *share = NULL;
377         char *user = NULL;
378         char *password = NULL;
379         char *options = NULL;
380         char *workgroup = NULL;
381         char *path = NULL;
382         uint16_t mode;
383         uint16_t port = 0;
384         char *p = NULL;
385         SMBCSRV *srv  = NULL;
386         SMBCFILE *dir = NULL;
387         struct sockaddr_storage rem_ss;
388         TALLOC_CTX *frame = talloc_stackframe();
389
390         if (!context || !context->internal->initialized) {
391                 DEBUG(4, ("no valid context\n"));
392                 TALLOC_FREE(frame);
393                 errno = EINVAL + 8192;
394                 return NULL;
395
396         }
397
398         if (!fname) {
399                 DEBUG(4, ("no valid fname\n"));
400                 TALLOC_FREE(frame);
401                 errno = EINVAL + 8193;
402                 return NULL;
403         }
404
405         if (SMBC_parse_path(frame,
406                             context,
407                             fname,
408                             &workgroup,
409                             &server,
410                             &port,
411                             &share,
412                             &path,
413                             &user,
414                             &password,
415                             &options)) {
416                 DEBUG(4, ("no valid path\n"));
417                 TALLOC_FREE(frame);
418                 errno = EINVAL + 8194;
419                 return NULL;
420         }
421
422         DEBUG(4, ("parsed path: fname='%s' server='%s' share='%s' "
423                   "path='%s' options='%s'\n",
424                   fname, server, share, path, options));
425
426         /* Ensure the options are valid */
427         if (SMBC_check_options(server, share, path, options)) {
428                 DEBUG(4, ("unacceptable options (%s)\n", options));
429                 TALLOC_FREE(frame);
430                 errno = EINVAL + 8195;
431                 return NULL;
432         }
433
434         if (!user || user[0] == (char)0) {
435                 user = talloc_strdup(frame, smbc_getUser(context));
436                 if (!user) {
437                         TALLOC_FREE(frame);
438                         errno = ENOMEM;
439                         return NULL;
440                 }
441         }
442
443         dir = SMB_MALLOC_P(SMBCFILE);
444
445         if (!dir) {
446                 TALLOC_FREE(frame);
447                 errno = ENOMEM;
448                 return NULL;
449         }
450
451         ZERO_STRUCTP(dir);
452
453         dir->cli_fd   = 0;
454         dir->fname    = SMB_STRDUP(fname);
455         dir->srv      = NULL;
456         dir->offset   = 0;
457         dir->file     = False;
458         dir->dir_list = dir->dir_next = dir->dir_end = NULL;
459
460         if (server[0] == (char)0) {
461
462                 int i;
463                 int count;
464                 int max_lmb_count;
465                 struct sockaddr_storage *ip_list;
466                 struct sockaddr_storage server_addr;
467                 struct user_auth_info u_info;
468                 NTSTATUS status;
469
470                 if (share[0] != (char)0 || path[0] != (char)0) {
471
472                         if (dir) {
473                                 SAFE_FREE(dir->fname);
474                                 SAFE_FREE(dir);
475                         }
476                         TALLOC_FREE(frame);
477                         errno = EINVAL + 8196;
478                         return NULL;
479                 }
480
481                 /* Determine how many local master browsers to query */
482                 max_lmb_count = (smbc_getOptionBrowseMaxLmbCount(context) == 0
483                                  ? INT_MAX
484                                  : smbc_getOptionBrowseMaxLmbCount(context));
485
486                 memset(&u_info, '\0', sizeof(u_info));
487                 u_info.username = talloc_strdup(frame,user);
488                 u_info.password = talloc_strdup(frame,password);
489                 if (!u_info.username || !u_info.password) {
490                         if (dir) {
491                                 SAFE_FREE(dir->fname);
492                                 SAFE_FREE(dir);
493                         }
494                         TALLOC_FREE(frame);
495                         return NULL;
496                 }
497
498                 /*
499                  * We have server and share and path empty but options
500                  * requesting that we scan all master browsers for their list
501                  * of workgroups/domains.  This implies that we must first try
502                  * broadcast queries to find all master browsers, and if that
503                  * doesn't work, then try our other methods which return only
504                  * a single master browser.
505                  */
506
507                 ip_list = NULL;
508                 status = name_resolve_bcast(MSBROWSE, 1, talloc_tos(),
509                                             &ip_list, &count);
510                 if (!NT_STATUS_IS_OK(status))
511                 {
512
513                         TALLOC_FREE(ip_list);
514
515                         if (!find_master_ip(workgroup, &server_addr)) {
516
517                                 if (dir) {
518                                         SAFE_FREE(dir->fname);
519                                         SAFE_FREE(dir);
520                                 }
521                                 TALLOC_FREE(frame);
522                                 errno = ENOENT;
523                                 return NULL;
524                         }
525
526                         ip_list = (struct sockaddr_storage *)talloc_memdup(
527                                 talloc_tos(), &server_addr,
528                                 sizeof(server_addr));
529                         if (ip_list == NULL) {
530                                 if (dir) {
531                                         SAFE_FREE(dir->fname);
532                                         SAFE_FREE(dir);
533                                 }
534                                 TALLOC_FREE(frame);
535                                 errno = ENOMEM;
536                                 return NULL;
537                         }
538                         count = 1;
539                 }
540
541                 for (i = 0; i < count && i < max_lmb_count; i++) {
542                         char addr[INET6_ADDRSTRLEN];
543                         char *wg_ptr = NULL;
544                         struct cli_state *cli = NULL;
545
546                         print_sockaddr(addr, sizeof(addr), &ip_list[i]);
547                         DEBUG(99, ("Found master browser %d of %d: %s\n",
548                                    i+1, MAX(count, max_lmb_count),
549                                    addr));
550
551                         cli = get_ipc_connect_master_ip(talloc_tos(),
552                                                         &ip_list[i],
553                                                         &u_info,
554                                                         &wg_ptr);
555                         /* cli == NULL is the master browser refused to talk or
556                            could not be found */
557                         if (!cli) {
558                                 continue;
559                         }
560
561                         workgroup = talloc_strdup(frame, wg_ptr);
562                         server = talloc_strdup(frame, smbXcli_conn_remote_name(cli->conn));
563
564                         cli_shutdown(cli);
565
566                         if (!workgroup || !server) {
567                                 if (dir) {
568                                         SAFE_FREE(dir->fname);
569                                         SAFE_FREE(dir);
570                                 }
571                                 TALLOC_FREE(frame);
572                                 errno = ENOMEM;
573                                 return NULL;
574                         }
575
576                         DEBUG(4, ("using workgroup %s %s\n",
577                                   workgroup, server));
578
579                         /*
580                          * For each returned master browser IP address, get a
581                          * connection to IPC$ on the server if we do not
582                          * already have one, and determine the
583                          * workgroups/domains that it knows about.
584                          */
585
586                         srv = SMBC_server(frame, context, True, server, port, "IPC$",
587                                           &workgroup, &user, &password);
588                         if (!srv) {
589                                 continue;
590                         }
591
592                         dir->srv = srv;
593                         dir->dir_type = SMBC_WORKGROUP;
594
595                         /* Now, list the stuff ... */
596
597                         if (!cli_NetServerEnum(srv->cli,
598                                                workgroup,
599                                                SV_TYPE_DOMAIN_ENUM,
600                                                list_unique_wg_fn,
601                                                (void *)dir)) {
602                                 continue;
603                         }
604                 }
605
606                 TALLOC_FREE(ip_list);
607         } else {
608                 /*
609                  * Server not an empty string ... Check the rest and see what
610                  * gives
611                  */
612                 if (*share == '\0') {
613                         if (*path != '\0') {
614
615                                 /* Should not have empty share with path */
616                                 if (dir) {
617                                         SAFE_FREE(dir->fname);
618                                         SAFE_FREE(dir);
619                                 }
620                                 TALLOC_FREE(frame);
621                                 errno = EINVAL + 8197;
622                                 return NULL;
623
624                         }
625
626                         /*
627                          * We don't know if <server> is really a server name
628                          * or is a workgroup/domain name.  If we already have
629                          * a server structure for it, we'll use it.
630                          * Otherwise, check to see if <server><1D>,
631                          * <server><1B>, or <server><20> translates.  We check
632                          * to see if <server> is an IP address first.
633                          */
634
635                         /*
636                          * See if we have an existing server.  Do not
637                          * establish a connection if one does not already
638                          * exist.
639                          */
640                         srv = SMBC_server(frame, context, False,
641                                           server, port, "IPC$",
642                                           &workgroup, &user, &password);
643
644                         /*
645                          * If no existing server and not an IP addr, look for
646                          * LMB or DMB
647                          */
648                         if (!srv &&
649                             !is_ipaddress(server) &&
650                             (resolve_name(server, &rem_ss, 0x1d, false) ||   /* LMB */
651                              resolve_name(server, &rem_ss, 0x1b, false) )) { /* DMB */
652                                 /*
653                                  * "server" is actually a workgroup name,
654                                  * not a server. Make this clear.
655                                  */
656                                 char *wgroup = server;
657                                 fstring buserver;
658
659                                 dir->dir_type = SMBC_SERVER;
660
661                                 /*
662                                  * Get the backup list ...
663                                  */
664                                 if (!name_status_find(wgroup, 0, 0,
665                                                       &rem_ss, buserver)) {
666                                         char addr[INET6_ADDRSTRLEN];
667
668                                         print_sockaddr(addr, sizeof(addr), &rem_ss);
669                                         DEBUG(0,("Could not get name of "
670                                                 "local/domain master browser "
671                                                 "for workgroup %s from "
672                                                 "address %s\n",
673                                                 wgroup,
674                                                 addr));
675                                         if (dir) {
676                                                 SAFE_FREE(dir->fname);
677                                                 SAFE_FREE(dir);
678                                         }
679                                         TALLOC_FREE(frame);
680                                         errno = EPERM;
681                                         return NULL;
682
683                                 }
684
685                                 /*
686                                  * Get a connection to IPC$ on the server if
687                                  * we do not already have one
688                                  */
689                                 srv = SMBC_server(frame, context, True,
690                                                   buserver, port, "IPC$",
691                                                   &workgroup,
692                                                   &user, &password);
693                                 if (!srv) {
694                                         DEBUG(0, ("got no contact to IPC$\n"));
695                                         if (dir) {
696                                                 SAFE_FREE(dir->fname);
697                                                 SAFE_FREE(dir);
698                                         }
699                                         TALLOC_FREE(frame);
700                                         return NULL;
701
702                                 }
703
704                                 dir->srv = srv;
705
706                                 /* Now, list the servers ... */
707                                 if (!cli_NetServerEnum(srv->cli, wgroup,
708                                                        0x0000FFFE, list_fn,
709                                                        (void *)dir)) {
710
711                                         if (dir) {
712                                                 SAFE_FREE(dir->fname);
713                                                 SAFE_FREE(dir);
714                                         }
715                                         TALLOC_FREE(frame);
716                                         return NULL;
717                                 }
718                         } else if (srv ||
719                                    (resolve_name(server, &rem_ss, 0x20, false))) {
720
721                                 /*
722                                  * If we hadn't found the server, get one now
723                                  */
724                                 if (!srv) {
725                                         srv = SMBC_server(frame, context, True,
726                                                           server, port, "IPC$",
727                                                           &workgroup,
728                                                           &user, &password);
729                                 }
730
731                                 if (!srv) {
732                                         if (dir) {
733                                                 SAFE_FREE(dir->fname);
734                                                 SAFE_FREE(dir);
735                                         }
736                                         TALLOC_FREE(frame);
737                                         return NULL;
738
739                                 }
740
741                                 dir->dir_type = SMBC_FILE_SHARE;
742                                 dir->srv = srv;
743
744                                 /* List the shares ... */
745
746                                 if (net_share_enum_rpc(
747                                             srv->cli,
748                                             list_fn,
749                                             (void *) dir) < 0 &&
750                                     cli_RNetShareEnum(
751                                             srv->cli,
752                                             list_fn,
753                                             (void *)dir) < 0) {
754
755                                         errno = cli_errno(srv->cli);
756                                         if (dir) {
757                                                 SAFE_FREE(dir->fname);
758                                                 SAFE_FREE(dir);
759                                         }
760                                         TALLOC_FREE(frame);
761                                         return NULL;
762
763                                 }
764                         } else {
765                                 /* Neither the workgroup nor server exists */
766                                 errno = ECONNREFUSED;
767                                 if (dir) {
768                                         SAFE_FREE(dir->fname);
769                                         SAFE_FREE(dir);
770                                 }
771                                 TALLOC_FREE(frame);
772                                 return NULL;
773                         }
774
775                 }
776                 else {
777                         /*
778                          * The server and share are specified ... work from
779                          * there ...
780                          */
781                         char *targetpath;
782                         struct cli_state *targetcli;
783                         NTSTATUS status;
784
785                         /* We connect to the server and list the directory */
786                         dir->dir_type = SMBC_FILE_SHARE;
787
788                         srv = SMBC_server(frame, context, True, server, port, share,
789                                           &workgroup, &user, &password);
790
791                         if (!srv) {
792                                 if (dir) {
793                                         SAFE_FREE(dir->fname);
794                                         SAFE_FREE(dir);
795                                 }
796                                 TALLOC_FREE(frame);
797                                 return NULL;
798                         }
799
800                         dir->srv = srv;
801
802                         /* Now, list the files ... */
803
804                         p = path + strlen(path);
805                         path = talloc_asprintf_append(path, "\\*");
806                         if (!path) {
807                                 if (dir) {
808                                         SAFE_FREE(dir->fname);
809                                         SAFE_FREE(dir);
810                                 }
811                                 TALLOC_FREE(frame);
812                                 return NULL;
813                         }
814
815                         status = cli_resolve_path(
816                                 frame, "", context->internal->auth_info,
817                                 srv->cli, path, &targetcli, &targetpath);
818                         if (!NT_STATUS_IS_OK(status)) {
819                                 d_printf("Could not resolve %s\n", path);
820                                 if (dir) {
821                                         SAFE_FREE(dir->fname);
822                                         SAFE_FREE(dir);
823                                 }
824                                 TALLOC_FREE(frame);
825                                 return NULL;
826                         }
827
828                         status = cli_list(targetcli, targetpath,
829                                           FILE_ATTRIBUTE_DIRECTORY | FILE_ATTRIBUTE_SYSTEM | FILE_ATTRIBUTE_HIDDEN,
830                                           dir_list_fn, (void *)dir);
831                         if (!NT_STATUS_IS_OK(status)) {
832                                 if (dir) {
833                                         SAFE_FREE(dir->fname);
834                                         SAFE_FREE(dir);
835                                 }
836                                 saved_errno = SMBC_errno(context, targetcli);
837
838                                 if (saved_errno == EINVAL) {
839                                         /*
840                                          * See if they asked to opendir
841                                          * something other than a directory.
842                                          * If so, the converted error value we
843                                          * got would have been EINVAL rather
844                                          * than ENOTDIR.
845                                          */
846                                         *p = '\0'; /* restore original path */
847
848                                         if (SMBC_getatr(context, srv, path,
849                                                         &mode, NULL,
850                                                         NULL, NULL, NULL, NULL,
851                                                         NULL) &&
852                                             ! IS_DOS_DIR(mode)) {
853
854                                                 /* It is.  Correct the error value */
855                                                 saved_errno = ENOTDIR;
856                                         }
857                                 }
858
859                                 /*
860                                  * If there was an error and the server is no
861                                  * good any more...
862                                  */
863                                 if (cli_is_error(targetcli) &&
864                                     smbc_getFunctionCheckServer(context)(context, srv)) {
865
866                                         /* ... then remove it. */
867                                         if (smbc_getFunctionRemoveUnusedServer(context)(context,
868                                                                                         srv)) {
869                                                 /*
870                                                  * We could not remove the
871                                                  * server completely, remove
872                                                  * it from the cache so we
873                                                  * will not get it again. It
874                                                  * will be removed when the
875                                                  * last file/dir is closed.
876                                                  */
877                                                 smbc_getFunctionRemoveCachedServer(context)(context, srv);
878                                         }
879                                 }
880
881                                 TALLOC_FREE(frame);
882                                 errno = saved_errno;
883                                 return NULL;
884                         }
885                 }
886
887         }
888
889         DLIST_ADD(context->internal->files, dir);
890         TALLOC_FREE(frame);
891         return dir;
892
893 }
894
895 /*
896  * Routine to close a directory
897  */
898
899 int
900 SMBC_closedir_ctx(SMBCCTX *context,
901                   SMBCFILE *dir)
902 {
903         TALLOC_CTX *frame = talloc_stackframe();
904
905         if (!context || !context->internal->initialized) {
906                 errno = EINVAL;
907                 TALLOC_FREE(frame);
908                 return -1;
909         }
910
911         if (!dir || !SMBC_dlist_contains(context->internal->files, dir)) {
912                 errno = EBADF;
913                 TALLOC_FREE(frame);
914                 return -1;
915         }
916
917         remove_dir(dir); /* Clean it up */
918
919         DLIST_REMOVE(context->internal->files, dir);
920
921         if (dir) {
922
923                 SAFE_FREE(dir->fname);
924                 SAFE_FREE(dir);    /* Free the space too */
925         }
926
927         TALLOC_FREE(frame);
928         return 0;
929
930 }
931
932 static void
933 smbc_readdir_internal(SMBCCTX * context,
934                       struct smbc_dirent *dest,
935                       struct smbc_dirent *src,
936                       int max_namebuf_len)
937 {
938         if (smbc_getOptionUrlEncodeReaddirEntries(context)) {
939
940                 /* url-encode the name.  get back remaining buffer space */
941                 max_namebuf_len =
942                         smbc_urlencode(dest->name, src->name, max_namebuf_len);
943
944                 /* We now know the name length */
945                 dest->namelen = strlen(dest->name);
946
947                 /* Save the pointer to the beginning of the comment */
948                 dest->comment = dest->name + dest->namelen + 1;
949
950                 /* Copy the comment */
951                 strncpy(dest->comment, src->comment, max_namebuf_len - 1);
952                 dest->comment[max_namebuf_len - 1] = '\0';
953
954                 /* Save other fields */
955                 dest->smbc_type = src->smbc_type;
956                 dest->commentlen = strlen(dest->comment);
957                 dest->dirlen = ((dest->comment + dest->commentlen + 1) -
958                                 (char *) dest);
959         } else {
960
961                 /* No encoding.  Just copy the entry as is. */
962                 memcpy(dest, src, src->dirlen);
963                 dest->comment = (char *)(&dest->name + src->namelen + 1);
964         }
965
966 }
967
968 /*
969  * Routine to get a directory entry
970  */
971
972 struct smbc_dirent *
973 SMBC_readdir_ctx(SMBCCTX *context,
974                  SMBCFILE *dir)
975 {
976         int maxlen;
977         struct smbc_dirent *dirp, *dirent;
978         TALLOC_CTX *frame = talloc_stackframe();
979
980         /* Check that all is ok first ... */
981
982         if (!context || !context->internal->initialized) {
983
984                 errno = EINVAL;
985                 DEBUG(0, ("Invalid context in SMBC_readdir_ctx()\n"));
986                 TALLOC_FREE(frame);
987                 return NULL;
988
989         }
990
991         if (!dir || !SMBC_dlist_contains(context->internal->files, dir)) {
992
993                 errno = EBADF;
994                 DEBUG(0, ("Invalid dir in SMBC_readdir_ctx()\n"));
995                 TALLOC_FREE(frame);
996                 return NULL;
997
998         }
999
1000         if (dir->file != False) { /* FIXME, should be dir, perhaps */
1001
1002                 errno = ENOTDIR;
1003                 DEBUG(0, ("Found file vs directory in SMBC_readdir_ctx()\n"));
1004                 TALLOC_FREE(frame);
1005                 return NULL;
1006
1007         }
1008
1009         if (!dir->dir_next) {
1010                 TALLOC_FREE(frame);
1011                 return NULL;
1012         }
1013
1014         dirent = dir->dir_next->dirent;
1015         if (!dirent) {
1016
1017                 errno = ENOENT;
1018                 TALLOC_FREE(frame);
1019                 return NULL;
1020
1021         }
1022
1023         dirp = &context->internal->dirent;
1024         maxlen = sizeof(context->internal->_dirent_name);
1025
1026         smbc_readdir_internal(context, dirp, dirent, maxlen);
1027
1028         dir->dir_next = dir->dir_next->next;
1029
1030         TALLOC_FREE(frame);
1031         return dirp;
1032 }
1033
1034 /*
1035  * Routine to get directory entries
1036  */
1037
1038 int
1039 SMBC_getdents_ctx(SMBCCTX *context,
1040                   SMBCFILE *dir,
1041                   struct smbc_dirent *dirp,
1042                   int count)
1043 {
1044         int rem = count;
1045         int reqd;
1046         int maxlen;
1047         char *ndir = (char *)dirp;
1048         struct smbc_dir_list *dirlist;
1049         TALLOC_CTX *frame = talloc_stackframe();
1050
1051         /* Check that all is ok first ... */
1052
1053         if (!context || !context->internal->initialized) {
1054
1055                 errno = EINVAL;
1056                 TALLOC_FREE(frame);
1057                 return -1;
1058
1059         }
1060
1061         if (!dir || !SMBC_dlist_contains(context->internal->files, dir)) {
1062
1063                 errno = EBADF;
1064                 TALLOC_FREE(frame);
1065                 return -1;
1066
1067         }
1068
1069         if (dir->file != False) { /* FIXME, should be dir, perhaps */
1070
1071                 errno = ENOTDIR;
1072                 TALLOC_FREE(frame);
1073                 return -1;
1074
1075         }
1076
1077         /*
1078          * Now, retrieve the number of entries that will fit in what was passed
1079          * We have to figure out if the info is in the list, or we need to
1080          * send a request to the server to get the info.
1081          */
1082
1083         while ((dirlist = dir->dir_next)) {
1084                 struct smbc_dirent *dirent;
1085                 struct smbc_dirent *currentEntry = (struct smbc_dirent *)ndir;
1086
1087                 if (!dirlist->dirent) {
1088
1089                         errno = ENOENT;  /* Bad error */
1090                         TALLOC_FREE(frame);
1091                         return -1;
1092
1093                 }
1094
1095                 /* Do urlencoding of next entry, if so selected */
1096                 dirent = &context->internal->dirent;
1097                 maxlen = sizeof(context->internal->_dirent_name);
1098                 smbc_readdir_internal(context, dirent,
1099                                       dirlist->dirent, maxlen);
1100
1101                 reqd = dirent->dirlen;
1102
1103                 if (rem < reqd) {
1104
1105                         if (rem < count) { /* We managed to copy something */
1106
1107                                 errno = 0;
1108                                 TALLOC_FREE(frame);
1109                                 return count - rem;
1110
1111                         }
1112                         else { /* Nothing copied ... */
1113
1114                                 errno = EINVAL;  /* Not enough space ... */
1115                                 TALLOC_FREE(frame);
1116                                 return -1;
1117
1118                         }
1119
1120                 }
1121
1122                 memcpy(currentEntry, dirent, reqd); /* Copy the data in ... */
1123
1124                 currentEntry->comment = &currentEntry->name[0] +
1125                                                 dirent->namelen + 1;
1126
1127                 ndir += reqd;
1128                 rem -= reqd;
1129
1130                 /* Try and align the struct for the next entry
1131                    on a valid pointer boundary by appending zeros */
1132                 while((rem > 0) && ((uintptr_t)ndir & (sizeof(void*) - 1))) {
1133                         *ndir = '\0';
1134                         rem--;
1135                         ndir++;
1136                         currentEntry->dirlen++;
1137                 }
1138
1139                 dir->dir_next = dirlist = dirlist -> next;
1140         }
1141
1142         TALLOC_FREE(frame);
1143
1144         if (rem == count)
1145                 return 0;
1146         else
1147                 return count - rem;
1148
1149 }
1150
1151 /*
1152  * Routine to create a directory ...
1153  */
1154
1155 int
1156 SMBC_mkdir_ctx(SMBCCTX *context,
1157                const char *fname,
1158                mode_t mode)
1159 {
1160         SMBCSRV *srv = NULL;
1161         char *server = NULL;
1162         char *share = NULL;
1163         char *user = NULL;
1164         char *password = NULL;
1165         char *workgroup = NULL;
1166         char *path = NULL;
1167         char *targetpath = NULL;
1168         uint16_t port = 0;
1169         struct cli_state *targetcli = NULL;
1170         TALLOC_CTX *frame = talloc_stackframe();
1171         NTSTATUS status;
1172
1173         if (!context || !context->internal->initialized) {
1174                 errno = EINVAL;
1175                 TALLOC_FREE(frame);
1176                 return -1;
1177         }
1178
1179         if (!fname) {
1180                 errno = EINVAL;
1181                 TALLOC_FREE(frame);
1182                 return -1;
1183         }
1184
1185         DEBUG(4, ("smbc_mkdir(%s)\n", fname));
1186
1187         if (SMBC_parse_path(frame,
1188                             context,
1189                             fname,
1190                             &workgroup,
1191                             &server,
1192                             &port,
1193                             &share,
1194                             &path,
1195                             &user,
1196                             &password,
1197                             NULL)) {
1198                 errno = EINVAL;
1199                 TALLOC_FREE(frame);
1200                 return -1;
1201         }
1202
1203         if (!user || user[0] == (char)0) {
1204                 user = talloc_strdup(frame, smbc_getUser(context));
1205                 if (!user) {
1206                         errno = ENOMEM;
1207                         TALLOC_FREE(frame);
1208                         return -1;
1209                 }
1210         }
1211
1212         srv = SMBC_server(frame, context, True,
1213                           server, port, share, &workgroup, &user, &password);
1214
1215         if (!srv) {
1216
1217                 TALLOC_FREE(frame);
1218                 return -1;  /* errno set by SMBC_server */
1219
1220         }
1221
1222         /*d_printf(">>>mkdir: resolving %s\n", path);*/
1223         status = cli_resolve_path(frame, "", context->internal->auth_info,
1224                                   srv->cli, path, &targetcli, &targetpath);
1225         if (!NT_STATUS_IS_OK(status)) {
1226                 d_printf("Could not resolve %s\n", path);
1227                 errno = ENOENT;
1228                 TALLOC_FREE(frame);
1229                 return -1;
1230         }
1231         /*d_printf(">>>mkdir: resolved path as %s\n", targetpath);*/
1232
1233         if (!NT_STATUS_IS_OK(cli_mkdir(targetcli, targetpath))) {
1234                 errno = SMBC_errno(context, targetcli);
1235                 TALLOC_FREE(frame);
1236                 return -1;
1237
1238         }
1239
1240         TALLOC_FREE(frame);
1241         return 0;
1242
1243 }
1244
1245 /*
1246  * Our list function simply checks to see if a directory is not empty
1247  */
1248
1249 static NTSTATUS
1250 rmdir_list_fn(const char *mnt,
1251               struct file_info *finfo,
1252               const char *mask,
1253               void *state)
1254 {
1255         if (strncmp(finfo->name, ".", 1) != 0 &&
1256             strncmp(finfo->name, "..", 2) != 0) {
1257                 bool *smbc_rmdir_dirempty = (bool *)state;
1258                 *smbc_rmdir_dirempty = false;
1259         }
1260         return NT_STATUS_OK;
1261 }
1262
1263 /*
1264  * Routine to remove a directory
1265  */
1266
1267 int
1268 SMBC_rmdir_ctx(SMBCCTX *context,
1269                const char *fname)
1270 {
1271         SMBCSRV *srv = NULL;
1272         char *server = NULL;
1273         char *share = NULL;
1274         char *user = NULL;
1275         char *password = NULL;
1276         char *workgroup = NULL;
1277         char *path = NULL;
1278         char *targetpath = NULL;
1279         uint16_t port = 0;
1280         struct cli_state *targetcli = NULL;
1281         TALLOC_CTX *frame = talloc_stackframe();
1282         NTSTATUS status;
1283
1284         if (!context || !context->internal->initialized) {
1285                 errno = EINVAL;
1286                 TALLOC_FREE(frame);
1287                 return -1;
1288         }
1289
1290         if (!fname) {
1291                 errno = EINVAL;
1292                 TALLOC_FREE(frame);
1293                 return -1;
1294         }
1295
1296         DEBUG(4, ("smbc_rmdir(%s)\n", fname));
1297
1298         if (SMBC_parse_path(frame,
1299                             context,
1300                             fname,
1301                             &workgroup,
1302                             &server,
1303                             &port,
1304                             &share,
1305                             &path,
1306                             &user,
1307                             &password,
1308                             NULL)) {
1309                 errno = EINVAL;
1310                 TALLOC_FREE(frame);
1311                 return -1;
1312         }
1313
1314         if (!user || user[0] == (char)0) {
1315                 user = talloc_strdup(frame, smbc_getUser(context));
1316                 if (!user) {
1317                         errno = ENOMEM;
1318                         TALLOC_FREE(frame);
1319                         return -1;
1320                 }
1321         }
1322
1323         srv = SMBC_server(frame, context, True,
1324                           server, port, share, &workgroup, &user, &password);
1325
1326         if (!srv) {
1327
1328                 TALLOC_FREE(frame);
1329                 return -1;  /* errno set by SMBC_server */
1330
1331         }
1332
1333         /*d_printf(">>>rmdir: resolving %s\n", path);*/
1334         status = cli_resolve_path(frame, "", context->internal->auth_info,
1335                                   srv->cli, path, &targetcli, &targetpath);
1336         if (!NT_STATUS_IS_OK(status)) {
1337                 d_printf("Could not resolve %s\n", path);
1338                 errno = ENOENT;
1339                 TALLOC_FREE(frame);
1340                 return -1;
1341         }
1342         /*d_printf(">>>rmdir: resolved path as %s\n", targetpath);*/
1343
1344         if (!NT_STATUS_IS_OK(cli_rmdir(targetcli, targetpath))) {
1345
1346                 errno = SMBC_errno(context, targetcli);
1347
1348                 if (errno == EACCES) {  /* Check if the dir empty or not */
1349
1350                         /* Local storage to avoid buffer overflows */
1351                         char *lpath;
1352                         bool smbc_rmdir_dirempty = true;
1353
1354                         lpath = talloc_asprintf(frame, "%s\\*",
1355                                                 targetpath);
1356                         if (!lpath) {
1357                                 errno = ENOMEM;
1358                                 TALLOC_FREE(frame);
1359                                 return -1;
1360                         }
1361
1362                         status = cli_list(targetcli, lpath,
1363                                           FILE_ATTRIBUTE_DIRECTORY | FILE_ATTRIBUTE_SYSTEM | FILE_ATTRIBUTE_HIDDEN,
1364                                           rmdir_list_fn,
1365                                           &smbc_rmdir_dirempty);
1366
1367                         if (!NT_STATUS_IS_OK(status)) {
1368                                 /* Fix errno to ignore latest error ... */
1369                                 DEBUG(5, ("smbc_rmdir: "
1370                                           "cli_list returned an error: %d\n",
1371                                           SMBC_errno(context, targetcli)));
1372                                 errno = EACCES;
1373
1374                         }
1375
1376                         if (smbc_rmdir_dirempty)
1377                                 errno = EACCES;
1378                         else
1379                                 errno = ENOTEMPTY;
1380
1381                 }
1382
1383                 TALLOC_FREE(frame);
1384                 return -1;
1385
1386         }
1387
1388         TALLOC_FREE(frame);
1389         return 0;
1390
1391 }
1392
1393 /*
1394  * Routine to return the current directory position
1395  */
1396
1397 off_t
1398 SMBC_telldir_ctx(SMBCCTX *context,
1399                  SMBCFILE *dir)
1400 {
1401         TALLOC_CTX *frame = talloc_stackframe();
1402
1403         if (!context || !context->internal->initialized) {
1404
1405                 errno = EINVAL;
1406                 TALLOC_FREE(frame);
1407                 return -1;
1408
1409         }
1410
1411         if (!dir || !SMBC_dlist_contains(context->internal->files, dir)) {
1412
1413                 errno = EBADF;
1414                 TALLOC_FREE(frame);
1415                 return -1;
1416
1417         }
1418
1419         if (dir->file != False) { /* FIXME, should be dir, perhaps */
1420
1421                 errno = ENOTDIR;
1422                 TALLOC_FREE(frame);
1423                 return -1;
1424
1425         }
1426
1427         /* See if we're already at the end. */
1428         if (dir->dir_next == NULL) {
1429                 /* We are. */
1430                 TALLOC_FREE(frame);
1431                 return -1;
1432         }
1433
1434         /*
1435          * We return the pointer here as the offset
1436          */
1437         TALLOC_FREE(frame);
1438         return (off_t)(long)dir->dir_next->dirent;
1439 }
1440
1441 /*
1442  * A routine to run down the list and see if the entry is OK
1443  */
1444
1445 static struct smbc_dir_list *
1446 check_dir_ent(struct smbc_dir_list *list,
1447               struct smbc_dirent *dirent)
1448 {
1449
1450         /* Run down the list looking for what we want */
1451
1452         if (dirent) {
1453
1454                 struct smbc_dir_list *tmp = list;
1455
1456                 while (tmp) {
1457
1458                         if (tmp->dirent == dirent)
1459                                 return tmp;
1460
1461                         tmp = tmp->next;
1462
1463                 }
1464
1465         }
1466
1467         return NULL;  /* Not found, or an error */
1468
1469 }
1470
1471
1472 /*
1473  * Routine to seek on a directory
1474  */
1475
1476 int
1477 SMBC_lseekdir_ctx(SMBCCTX *context,
1478                   SMBCFILE *dir,
1479                   off_t offset)
1480 {
1481         long int l_offset = offset;  /* Handle problems of size */
1482         struct smbc_dirent *dirent = (struct smbc_dirent *)l_offset;
1483         struct smbc_dir_list *list_ent = (struct smbc_dir_list *)NULL;
1484         TALLOC_CTX *frame = talloc_stackframe();
1485
1486         if (!context || !context->internal->initialized) {
1487
1488                 errno = EINVAL;
1489                 TALLOC_FREE(frame);
1490                 return -1;
1491
1492         }
1493
1494         if (dir->file != False) { /* FIXME, should be dir, perhaps */
1495
1496                 errno = ENOTDIR;
1497                 TALLOC_FREE(frame);
1498                 return -1;
1499
1500         }
1501
1502         /* Now, check what we were passed and see if it is OK ... */
1503
1504         if (dirent == NULL) {  /* Seek to the begining of the list */
1505
1506                 dir->dir_next = dir->dir_list;
1507                 TALLOC_FREE(frame);
1508                 return 0;
1509
1510         }
1511
1512         if (offset == -1) {     /* Seek to the end of the list */
1513                 dir->dir_next = NULL;
1514                 TALLOC_FREE(frame);
1515                 return 0;
1516         }
1517
1518         /* Now, run down the list and make sure that the entry is OK       */
1519         /* This may need to be changed if we change the format of the list */
1520
1521         if ((list_ent = check_dir_ent(dir->dir_list, dirent)) == NULL) {
1522                 errno = EINVAL;   /* Bad entry */
1523                 TALLOC_FREE(frame);
1524                 return -1;
1525         }
1526
1527         dir->dir_next = list_ent;
1528
1529         TALLOC_FREE(frame);
1530         return 0;
1531 }
1532
1533 /*
1534  * Routine to fstat a dir
1535  */
1536
1537 int
1538 SMBC_fstatdir_ctx(SMBCCTX *context,
1539                   SMBCFILE *dir,
1540                   struct stat *st)
1541 {
1542
1543         if (!context || !context->internal->initialized) {
1544
1545                 errno = EINVAL;
1546                 return -1;
1547         }
1548
1549         /* No code yet ... */
1550         return 0;
1551 }
1552
1553 int
1554 SMBC_chmod_ctx(SMBCCTX *context,
1555                const char *fname,
1556                mode_t newmode)
1557 {
1558         SMBCSRV *srv = NULL;
1559         char *server = NULL;
1560         char *share = NULL;
1561         char *user = NULL;
1562         char *password = NULL;
1563         char *workgroup = NULL;
1564         char *targetpath = NULL;
1565         struct cli_state *targetcli = NULL;
1566         char *path = NULL;
1567         uint16_t mode;
1568         uint16_t port = 0;
1569         TALLOC_CTX *frame = talloc_stackframe();
1570         NTSTATUS status;
1571
1572         if (!context || !context->internal->initialized) {
1573
1574                 errno = EINVAL;  /* Best I can think of ... */
1575                 TALLOC_FREE(frame);
1576                 return -1;
1577         }
1578
1579         if (!fname) {
1580                 errno = EINVAL;
1581                 TALLOC_FREE(frame);
1582                 return -1;
1583         }
1584
1585         DEBUG(4, ("smbc_chmod(%s, 0%3o)\n", fname, (unsigned int)newmode));
1586
1587         if (SMBC_parse_path(frame,
1588                             context,
1589                             fname,
1590                             &workgroup,
1591                             &server,
1592                             &port,
1593                             &share,
1594                             &path,
1595                             &user,
1596                             &password,
1597                             NULL)) {
1598                 errno = EINVAL;
1599                 TALLOC_FREE(frame);
1600                 return -1;
1601         }
1602
1603         if (!user || user[0] == (char)0) {
1604                 user = talloc_strdup(frame, smbc_getUser(context));
1605                 if (!user) {
1606                         errno = ENOMEM;
1607                         TALLOC_FREE(frame);
1608                         return -1;
1609                 }
1610         }
1611
1612         srv = SMBC_server(frame, context, True,
1613                           server, port, share, &workgroup, &user, &password);
1614
1615         if (!srv) {
1616                 TALLOC_FREE(frame);
1617                 return -1;  /* errno set by SMBC_server */
1618         }
1619         
1620         /*d_printf(">>>unlink: resolving %s\n", path);*/
1621         status = cli_resolve_path(frame, "", context->internal->auth_info,
1622                                   srv->cli, path, &targetcli, &targetpath);
1623         if (!NT_STATUS_IS_OK(status)) {
1624                 d_printf("Could not resolve %s\n", path);
1625                 errno = ENOENT;
1626                 TALLOC_FREE(frame);
1627                 return -1;
1628         }
1629
1630         mode = 0;
1631
1632         if (!(newmode & (S_IWUSR | S_IWGRP | S_IWOTH))) mode |= FILE_ATTRIBUTE_READONLY;
1633         if ((newmode & S_IXUSR) && lp_map_archive(-1)) mode |= FILE_ATTRIBUTE_ARCHIVE;
1634         if ((newmode & S_IXGRP) && lp_map_system(-1)) mode |= FILE_ATTRIBUTE_SYSTEM;
1635         if ((newmode & S_IXOTH) && lp_map_hidden(-1)) mode |= FILE_ATTRIBUTE_HIDDEN;
1636
1637         if (!NT_STATUS_IS_OK(cli_setatr(targetcli, targetpath, mode, 0))) {
1638                 errno = SMBC_errno(context, targetcli);
1639                 TALLOC_FREE(frame);
1640                 return -1;
1641         }
1642
1643         TALLOC_FREE(frame);
1644         return 0;
1645 }
1646
1647 int
1648 SMBC_utimes_ctx(SMBCCTX *context,
1649                 const char *fname,
1650                 struct timeval *tbuf)
1651 {
1652         SMBCSRV *srv = NULL;
1653         char *server = NULL;
1654         char *share = NULL;
1655         char *user = NULL;
1656         char *password = NULL;
1657         char *workgroup = NULL;
1658         char *path = NULL;
1659         time_t access_time;
1660         time_t write_time;
1661         uint16_t port = 0;
1662         TALLOC_CTX *frame = talloc_stackframe();
1663
1664         if (!context || !context->internal->initialized) {
1665
1666                 errno = EINVAL;  /* Best I can think of ... */
1667                 TALLOC_FREE(frame);
1668                 return -1;
1669         }
1670
1671         if (!fname) {
1672                 errno = EINVAL;
1673                 TALLOC_FREE(frame);
1674                 return -1;
1675         }
1676
1677         if (tbuf == NULL) {
1678                 access_time = write_time = time(NULL);
1679         } else {
1680                 access_time = tbuf[0].tv_sec;
1681                 write_time = tbuf[1].tv_sec;
1682         }
1683
1684         if (DEBUGLVL(4)) {
1685                 char *p;
1686                 char atimebuf[32];
1687                 char mtimebuf[32];
1688
1689                 strncpy(atimebuf, ctime(&access_time), sizeof(atimebuf) - 1);
1690                 atimebuf[sizeof(atimebuf) - 1] = '\0';
1691                 if ((p = strchr(atimebuf, '\n')) != NULL) {
1692                         *p = '\0';
1693                 }
1694
1695                 strncpy(mtimebuf, ctime(&write_time), sizeof(mtimebuf) - 1);
1696                 mtimebuf[sizeof(mtimebuf) - 1] = '\0';
1697                 if ((p = strchr(mtimebuf, '\n')) != NULL) {
1698                         *p = '\0';
1699                 }
1700
1701                 dbgtext("smbc_utimes(%s, atime = %s mtime = %s)\n",
1702                         fname, atimebuf, mtimebuf);
1703         }
1704
1705         if (SMBC_parse_path(frame,
1706                             context,
1707                             fname,
1708                             &workgroup,
1709                             &server,
1710                             &port,
1711                             &share,
1712                             &path,
1713                             &user,
1714                             &password,
1715                             NULL)) {
1716                 errno = EINVAL;
1717                 TALLOC_FREE(frame);
1718                 return -1;
1719         }
1720
1721         if (!user || user[0] == (char)0) {
1722                 user = talloc_strdup(frame, smbc_getUser(context));
1723                 if (!user) {
1724                         errno = ENOMEM;
1725                         TALLOC_FREE(frame);
1726                         return -1;
1727                 }
1728         }
1729
1730         srv = SMBC_server(frame, context, True,
1731                           server, port, share, &workgroup, &user, &password);
1732
1733         if (!srv) {
1734                 TALLOC_FREE(frame);
1735                 return -1;      /* errno set by SMBC_server */
1736         }
1737
1738         if (!SMBC_setatr(context, srv, path,
1739                          0, access_time, write_time, 0, 0)) {
1740                 TALLOC_FREE(frame);
1741                 return -1;      /* errno set by SMBC_setatr */
1742         }
1743
1744         TALLOC_FREE(frame);
1745         return 0;
1746 }
1747
1748 /*
1749  * Routine to unlink() a file
1750  */
1751
1752 int
1753 SMBC_unlink_ctx(SMBCCTX *context,
1754                 const char *fname)
1755 {
1756         char *server = NULL;
1757         char *share = NULL;
1758         char *user = NULL;
1759         char *password = NULL;
1760         char *workgroup = NULL;
1761         char *path = NULL;
1762         char *targetpath = NULL;
1763         uint16_t port = 0;
1764         struct cli_state *targetcli = NULL;
1765         SMBCSRV *srv = NULL;
1766         TALLOC_CTX *frame = talloc_stackframe();
1767         NTSTATUS status;
1768
1769         if (!context || !context->internal->initialized) {
1770
1771                 errno = EINVAL;  /* Best I can think of ... */
1772                 TALLOC_FREE(frame);
1773                 return -1;
1774
1775         }
1776
1777         if (!fname) {
1778                 errno = EINVAL;
1779                 TALLOC_FREE(frame);
1780                 return -1;
1781
1782         }
1783
1784         if (SMBC_parse_path(frame,
1785                             context,
1786                             fname,
1787                             &workgroup,
1788                             &server,
1789                             &port,
1790                             &share,
1791                             &path,
1792                             &user,
1793                             &password,
1794                             NULL)) {
1795                 errno = EINVAL;
1796                 TALLOC_FREE(frame);
1797                 return -1;
1798         }
1799
1800         if (!user || user[0] == (char)0) {
1801                 user = talloc_strdup(frame, smbc_getUser(context));
1802                 if (!user) {
1803                         errno = ENOMEM;
1804                         TALLOC_FREE(frame);
1805                         return -1;
1806                 }
1807         }
1808
1809         srv = SMBC_server(frame, context, True,
1810                           server, port, share, &workgroup, &user, &password);
1811
1812         if (!srv) {
1813                 TALLOC_FREE(frame);
1814                 return -1;  /* SMBC_server sets errno */
1815
1816         }
1817
1818         /*d_printf(">>>unlink: resolving %s\n", path);*/
1819         status = cli_resolve_path(frame, "", context->internal->auth_info,
1820                                   srv->cli, path, &targetcli, &targetpath);
1821         if (!NT_STATUS_IS_OK(status)) {
1822                 d_printf("Could not resolve %s\n", path);
1823                 errno = ENOENT;
1824                 TALLOC_FREE(frame);
1825                 return -1;
1826         }
1827         /*d_printf(">>>unlink: resolved path as %s\n", targetpath);*/
1828
1829         if (!NT_STATUS_IS_OK(cli_unlink(targetcli, targetpath, FILE_ATTRIBUTE_SYSTEM | FILE_ATTRIBUTE_HIDDEN))) {
1830
1831                 errno = SMBC_errno(context, targetcli);
1832
1833                 if (errno == EACCES) { /* Check if the file is a directory */
1834
1835                         int saverr = errno;
1836                         off_t size = 0;
1837                         uint16_t mode = 0;
1838                         struct timespec write_time_ts;
1839                         struct timespec access_time_ts;
1840                         struct timespec change_time_ts;
1841                         SMB_INO_T ino = 0;
1842
1843                         if (!SMBC_getatr(context, srv, path, &mode, &size,
1844                                          NULL,
1845                                          &access_time_ts,
1846                                          &write_time_ts,
1847                                          &change_time_ts,
1848                                          &ino)) {
1849
1850                                 /* Hmmm, bad error ... What? */
1851
1852                                 errno = SMBC_errno(context, targetcli);
1853                                 TALLOC_FREE(frame);
1854                                 return -1;
1855
1856                         }
1857                         else {
1858
1859                                 if (IS_DOS_DIR(mode))
1860                                         errno = EISDIR;
1861                                 else
1862                                         errno = saverr;  /* Restore this */
1863
1864                         }
1865                 }
1866
1867                 TALLOC_FREE(frame);
1868                 return -1;
1869
1870         }
1871
1872         TALLOC_FREE(frame);
1873         return 0;  /* Success ... */
1874
1875 }
1876
1877 /*
1878  * Routine to rename() a file
1879  */
1880
1881 int
1882 SMBC_rename_ctx(SMBCCTX *ocontext,
1883                 const char *oname,
1884                 SMBCCTX *ncontext,
1885                 const char *nname)
1886 {
1887         char *server1 = NULL;
1888         char *share1 = NULL;
1889         char *server2 = NULL;
1890         char *share2 = NULL;
1891         char *user1 = NULL;
1892         char *user2 = NULL;
1893         char *password1 = NULL;
1894         char *password2 = NULL;
1895         char *workgroup = NULL;
1896         char *path1 = NULL;
1897         char *path2 = NULL;
1898         char *targetpath1 = NULL;
1899         char *targetpath2 = NULL;
1900         struct cli_state *targetcli1 = NULL;
1901         struct cli_state *targetcli2 = NULL;
1902         SMBCSRV *srv = NULL;
1903         uint16_t port1 = 0;
1904         uint16_t port2 = 0;
1905         TALLOC_CTX *frame = talloc_stackframe();
1906         NTSTATUS status;
1907
1908         if (!ocontext || !ncontext ||
1909             !ocontext->internal->initialized ||
1910             !ncontext->internal->initialized) {
1911
1912                 errno = EINVAL;  /* Best I can think of ... */
1913                 TALLOC_FREE(frame);
1914                 return -1;
1915         }
1916
1917         if (!oname || !nname) {
1918                 errno = EINVAL;
1919                 TALLOC_FREE(frame);
1920                 return -1;
1921         }
1922
1923         DEBUG(4, ("smbc_rename(%s,%s)\n", oname, nname));
1924
1925         if (SMBC_parse_path(frame,
1926                             ocontext,
1927                             oname,
1928                             &workgroup,
1929                             &server1,
1930                             &port1,
1931                             &share1,
1932                             &path1,
1933                             &user1,
1934                             &password1,
1935                             NULL)) {
1936                 errno = EINVAL;
1937                 TALLOC_FREE(frame);
1938                 return -1;
1939         }
1940
1941         if (!user1 || user1[0] == (char)0) {
1942                 user1 = talloc_strdup(frame, smbc_getUser(ocontext));
1943                 if (!user1) {
1944                         errno = ENOMEM;
1945                         TALLOC_FREE(frame);
1946                         return -1;
1947                 }
1948         }
1949
1950         if (SMBC_parse_path(frame,
1951                             ncontext,
1952                             nname,
1953                             NULL,
1954                             &server2,
1955                             &port2,
1956                             &share2,
1957                             &path2,
1958                             &user2,
1959                             &password2,
1960                             NULL)) {
1961                 errno = EINVAL;
1962                 TALLOC_FREE(frame);
1963                 return -1;
1964         }
1965
1966         if (!user2 || user2[0] == (char)0) {
1967                 user2 = talloc_strdup(frame, smbc_getUser(ncontext));
1968                 if (!user2) {
1969                         errno = ENOMEM;
1970                         TALLOC_FREE(frame);
1971                         return -1;
1972                 }
1973         }
1974
1975         if (strcmp(server1, server2) || strcmp(share1, share2) ||
1976             strcmp(user1, user2)) {
1977                 /* Can't rename across file systems, or users?? */
1978                 errno = EXDEV;
1979                 TALLOC_FREE(frame);
1980                 return -1;
1981         }
1982
1983         srv = SMBC_server(frame, ocontext, True,
1984                           server1, port1, share1, &workgroup, &user1, &password1);
1985         if (!srv) {
1986                 TALLOC_FREE(frame);
1987                 return -1;
1988
1989         }
1990
1991         /* set the credentials to make DFS work */
1992         smbc_set_credentials_with_fallback(ocontext,
1993                                            workgroup,
1994                                            user1,
1995                                            password1);
1996
1997         /*d_printf(">>>rename: resolving %s\n", path1);*/
1998         status = cli_resolve_path(frame, "", ocontext->internal->auth_info,
1999                                   srv->cli, path1, &targetcli1, &targetpath1);
2000         if (!NT_STATUS_IS_OK(status)) {
2001                 d_printf("Could not resolve %s\n", path1);
2002                 errno = ENOENT;
2003                 TALLOC_FREE(frame);
2004                 return -1;
2005         }
2006         
2007         /* set the credentials to make DFS work */
2008         smbc_set_credentials_with_fallback(ncontext,
2009                                            workgroup,
2010                                            user2,
2011                                            password2);
2012         
2013         /*d_printf(">>>rename: resolved path as %s\n", targetpath1);*/
2014         /*d_printf(">>>rename: resolving %s\n", path2);*/
2015         status = cli_resolve_path(frame, "", ncontext->internal->auth_info,
2016                                   srv->cli, path2, &targetcli2, &targetpath2);
2017         if (!NT_STATUS_IS_OK(status)) {
2018                 d_printf("Could not resolve %s\n", path2);
2019                 errno = ENOENT;
2020                 TALLOC_FREE(frame);
2021                 return -1;
2022         }
2023         /*d_printf(">>>rename: resolved path as %s\n", targetpath2);*/
2024
2025         if (strcmp(smbXcli_conn_remote_name(targetcli1->conn), smbXcli_conn_remote_name(targetcli2->conn)) ||
2026             strcmp(targetcli1->share, targetcli2->share))
2027         {
2028                 /* can't rename across file systems */
2029                 errno = EXDEV;
2030                 TALLOC_FREE(frame);
2031                 return -1;
2032         }
2033
2034         if (!NT_STATUS_IS_OK(cli_rename(targetcli1, targetpath1, targetpath2))) {
2035                 int eno = SMBC_errno(ocontext, targetcli1);
2036
2037                 if (eno != EEXIST ||
2038                     !NT_STATUS_IS_OK(cli_unlink(targetcli1, targetpath2, FILE_ATTRIBUTE_SYSTEM | FILE_ATTRIBUTE_HIDDEN)) ||
2039                     !NT_STATUS_IS_OK(cli_rename(targetcli1, targetpath1, targetpath2))) {
2040
2041                         errno = eno;
2042                         TALLOC_FREE(frame);
2043                         return -1;
2044
2045                 }
2046         }
2047
2048         TALLOC_FREE(frame);
2049         return 0; /* Success */
2050 }
2051
2052 struct smbc_notify_cb_state {
2053         struct tevent_context *ev;
2054         struct cli_state *cli;
2055         uint16_t fnum;
2056         bool recursive;
2057         uint32_t completion_filter;
2058         unsigned callback_timeout_ms;
2059         smbc_notify_callback_fn cb;
2060         void *private_data;
2061 };
2062
2063 static void smbc_notify_cb_got_changes(struct tevent_req *subreq);
2064 static void smbc_notify_cb_timedout(struct tevent_req *subreq);
2065
2066 static struct tevent_req *smbc_notify_cb_send(
2067         TALLOC_CTX *mem_ctx, struct tevent_context *ev, struct cli_state *cli,
2068         uint16_t fnum, bool recursive, uint32_t completion_filter,
2069         unsigned callback_timeout_ms,
2070         smbc_notify_callback_fn cb, void *private_data)
2071 {
2072         struct tevent_req *req, *subreq;
2073         struct smbc_notify_cb_state *state;
2074
2075         req = tevent_req_create(mem_ctx, &state, struct smbc_notify_cb_state);
2076         if (req == NULL) {
2077                 return NULL;
2078         }
2079         state->ev = ev;
2080         state->cli = cli;
2081         state->fnum = fnum;
2082         state->recursive = recursive;
2083         state->completion_filter = completion_filter;
2084         state->callback_timeout_ms = callback_timeout_ms;
2085         state->cb = cb;
2086         state->private_data = private_data;
2087
2088         subreq = cli_notify_send(
2089                 state, state->ev, state->cli, state->fnum, 1000,
2090                 state->completion_filter, state->recursive);
2091         if (tevent_req_nomem(subreq, req)) {
2092                 return tevent_req_post(req, ev);
2093         }
2094         tevent_req_set_callback(subreq, smbc_notify_cb_got_changes, req);
2095
2096         if (state->callback_timeout_ms == 0) {
2097                 return req;
2098         }
2099
2100         subreq = tevent_wakeup_send(
2101                 state, state->ev,
2102                 tevent_timeval_current_ofs(state->callback_timeout_ms/1000,
2103                                            state->callback_timeout_ms*1000));
2104         if (tevent_req_nomem(subreq, req)) {
2105                 return tevent_req_post(req, ev);
2106         }
2107         tevent_req_set_callback(subreq, smbc_notify_cb_timedout, req);
2108
2109         return req;
2110 }
2111
2112 static void smbc_notify_cb_got_changes(struct tevent_req *subreq)
2113 {
2114         struct tevent_req *req = tevent_req_callback_data(
2115                 subreq, struct tevent_req);
2116         struct smbc_notify_cb_state *state = tevent_req_data(
2117                 req, struct smbc_notify_cb_state);
2118         uint32_t num_changes;
2119         struct notify_change *changes;
2120         NTSTATUS status;
2121         int cb_ret;
2122
2123         status = cli_notify_recv(subreq, state, &num_changes, &changes);
2124         TALLOC_FREE(subreq);
2125         if (tevent_req_nterror(req, status)) {
2126                 return;
2127         }
2128
2129         {
2130                 struct smbc_notify_callback_action actions[num_changes];
2131                 uint32_t i;
2132
2133                 for (i=0; i<num_changes; i++) {
2134                         actions[i].action = changes[i].action;
2135                         actions[i].filename = changes[i].name;
2136                 }
2137
2138                 cb_ret = state->cb(actions, num_changes, state->private_data);
2139         }
2140
2141         TALLOC_FREE(changes);
2142
2143         if (cb_ret != 0) {
2144                 tevent_req_done(req);
2145                 return;
2146         }
2147
2148         subreq = cli_notify_send(
2149                 state, state->ev, state->cli, state->fnum, 1000,
2150                 state->completion_filter, state->recursive);
2151         if (tevent_req_nomem(subreq, req)) {
2152                 return;
2153         }
2154         tevent_req_set_callback(subreq, smbc_notify_cb_got_changes, req);
2155 }
2156
2157 static void smbc_notify_cb_timedout(struct tevent_req *subreq)
2158 {
2159         struct tevent_req *req = tevent_req_callback_data(
2160                 subreq, struct tevent_req);
2161         struct smbc_notify_cb_state *state = tevent_req_data(
2162                 req, struct smbc_notify_cb_state);
2163         int cb_ret;
2164         bool ok;
2165
2166         ok = tevent_wakeup_recv(subreq);
2167         TALLOC_FREE(subreq);
2168         if (!ok) {
2169                 tevent_req_oom(req);
2170                 return;
2171         }
2172
2173         cb_ret = state->cb(NULL, 0, state->private_data);
2174         if (cb_ret != 0) {
2175                 tevent_req_done(req);
2176                 return;
2177         }
2178
2179         subreq = tevent_wakeup_send(
2180                 state, state->ev,
2181                 tevent_timeval_current_ofs(state->callback_timeout_ms/1000,
2182                                            state->callback_timeout_ms*1000));
2183         if (tevent_req_nomem(subreq, req)) {
2184                 return;
2185         }
2186         tevent_req_set_callback(subreq, smbc_notify_cb_timedout, req);
2187 }
2188
2189 static NTSTATUS smbc_notify_cb_recv(struct tevent_req *req)
2190 {
2191         return tevent_req_simple_recv_ntstatus(req);
2192 }
2193
2194 static NTSTATUS smbc_notify_cb(struct cli_state *cli, uint16_t fnum,
2195                                bool recursive, uint32_t completion_filter,
2196                                unsigned callback_timeout_ms,
2197                                smbc_notify_callback_fn cb, void *private_data)
2198 {
2199         TALLOC_CTX *frame = talloc_stackframe();
2200         struct tevent_context *ev;
2201         struct tevent_req *req;
2202         NTSTATUS status = NT_STATUS_NO_MEMORY;
2203
2204         ev = samba_tevent_context_init(frame);
2205         if (ev == NULL) {
2206                 goto fail;
2207         }
2208         req = smbc_notify_cb_send(frame, ev, cli, fnum, recursive,
2209                                   completion_filter,
2210                                   callback_timeout_ms, cb, private_data);
2211         if (req == NULL) {
2212                 goto fail;
2213         }
2214         if (!tevent_req_poll_ntstatus(req, ev, &status)) {
2215                 goto fail;
2216         }
2217         status = smbc_notify_cb_recv(req);
2218         TALLOC_FREE(req);
2219 fail:
2220         TALLOC_FREE(frame);
2221         return status;
2222 }
2223
2224 int
2225 SMBC_notify_ctx(SMBCCTX *context, SMBCFILE *dir, smbc_bool recursive,
2226                 uint32_t completion_filter, unsigned callback_timeout_ms,
2227                 smbc_notify_callback_fn cb, void *private_data)
2228 {
2229         TALLOC_CTX *frame = talloc_stackframe();
2230         struct cli_state *cli;
2231         char *server = NULL;
2232         char *share = NULL;
2233         char *user = NULL;
2234         char *password = NULL;
2235         char *options = NULL;
2236         char *workgroup = NULL;
2237         char *path = NULL;
2238         uint16_t port;
2239         NTSTATUS status;
2240         uint16_t fnum;
2241
2242         if ((context == NULL) || !context->internal->initialized) {
2243                 TALLOC_FREE(frame);
2244                 errno = EINVAL;
2245                 return -1;
2246         }
2247         if ((dir == NULL) ||
2248             !SMBC_dlist_contains(context->internal->files, dir)) {
2249                 TALLOC_FREE(frame);
2250                 errno = EBADF;
2251                 return -1;
2252         }
2253
2254         if (SMBC_parse_path(frame,
2255                             context,
2256                             dir->fname,
2257                             &workgroup,
2258                             &server,
2259                             &port,
2260                             &share,
2261                             &path,
2262                             &user,
2263                             &password,
2264                             &options)) {
2265                 DEBUG(4, ("no valid path\n"));
2266                 TALLOC_FREE(frame);
2267                 errno = EINVAL + 8194;
2268                 return -1;
2269         }
2270
2271         DEBUG(4, ("parsed path: fname='%s' server='%s' share='%s' "
2272                   "path='%s' options='%s'\n",
2273                   dir->fname, server, share, path, options));
2274
2275         DEBUG(4, ("%s(%p, %d, %"PRIu32")\n", __func__, dir,
2276                   (int)recursive, completion_filter));
2277
2278         cli = dir->srv->cli;
2279         status = cli_ntcreate(
2280                 cli, path, 0, FILE_READ_DATA, 0,
2281                 FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
2282                 FILE_OPEN, 0, 0, &fnum, NULL);
2283         if (!NT_STATUS_IS_OK(status)) {
2284                 int err = SMBC_errno(context, cli);
2285                 TALLOC_FREE(frame);
2286                 errno = err;
2287                 return -1;
2288         }
2289
2290         status = smbc_notify_cb(cli, fnum, recursive != 0, completion_filter,
2291                                 callback_timeout_ms, cb, private_data);
2292         if (!NT_STATUS_IS_OK(status)) {
2293                 int err = SMBC_errno(context, cli);
2294                 cli_close(cli, fnum);
2295                 TALLOC_FREE(frame);
2296                 errno = err;
2297                 return -1;
2298         }
2299
2300         cli_close(cli, fnum);
2301
2302         TALLOC_FREE(frame);
2303         return 0;
2304 }