5fd18ff58c2694ea49c4b33575cd247e9e58c3d6
[amitay/samba.git] / source3 / utils / smbcacls.c
1 /* 
2    Unix SMB/CIFS implementation.
3    ACL get/set utility
4    
5    Copyright (C) Andrew Tridgell 2000
6    Copyright (C) Tim Potter      2000
7    Copyright (C) Jeremy Allison  2000
8    Copyright (C) Jelmer Vernooij 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 3 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, see <http://www.gnu.org/licenses/>.
22 */
23
24 #include "includes.h"
25
26 extern bool AllowDebugChange;
27
28 static int test_args;
29
30 #define CREATE_ACCESS_READ READ_CONTROL_ACCESS
31
32 /* numeric is set when the user wants numeric SIDs and ACEs rather
33    than going via LSA calls to resolve them */
34 static int numeric;
35
36 enum acl_mode {SMB_ACL_SET, SMB_ACL_DELETE, SMB_ACL_MODIFY, SMB_ACL_ADD };
37 enum chown_mode {REQUEST_NONE, REQUEST_CHOWN, REQUEST_CHGRP};
38 enum exit_values {EXIT_OK, EXIT_FAILED, EXIT_PARSE_ERROR};
39
40 struct perm_value {
41         const char *perm;
42         uint32 mask;
43 };
44
45 /* These values discovered by inspection */
46
47 static const struct perm_value special_values[] = {
48         { "R", 0x00120089 },
49         { "W", 0x00120116 },
50         { "X", 0x001200a0 },
51         { "D", 0x00010000 },
52         { "P", 0x00040000 },
53         { "O", 0x00080000 },
54         { NULL, 0 },
55 };
56
57 static const struct perm_value standard_values[] = {
58         { "READ",   0x001200a9 },
59         { "CHANGE", 0x001301bf },
60         { "FULL",   0x001f01ff },
61         { NULL, 0 },
62 };
63
64 /* Open cli connection and policy handle */
65
66 static NTSTATUS cli_lsa_lookup_sid(struct cli_state *cli,
67                                    const DOM_SID *sid,
68                                    TALLOC_CTX *mem_ctx,
69                                    enum lsa_SidType *type,
70                                    char **domain, char **name)
71 {
72         uint16 orig_cnum = cli->cnum;
73         struct rpc_pipe_client *p = NULL;
74         struct policy_handle handle;
75         NTSTATUS status;
76         TALLOC_CTX *frame = talloc_stackframe();
77         enum lsa_SidType *types;
78         char **domains;
79         char **names;
80
81         status = cli_tcon_andx(cli, "IPC$", "?????", "", 0);
82         if (!NT_STATUS_IS_OK(status)) {
83                 return status;
84         }
85
86         status = cli_rpc_pipe_open_noauth(cli, &ndr_table_lsarpc.syntax_id,
87                                           &p);
88         if (!NT_STATUS_IS_OK(status)) {
89                 goto fail;
90         }
91
92         status = rpccli_lsa_open_policy(p, talloc_tos(), True,
93                                         GENERIC_EXECUTE_ACCESS, &handle);
94         if (!NT_STATUS_IS_OK(status)) {
95                 goto fail;
96         }
97
98         status = rpccli_lsa_lookup_sids(p, talloc_tos(), &handle, 1, sid,
99                                         &domains, &names, &types);
100         if (!NT_STATUS_IS_OK(status)) {
101                 goto fail;
102         }
103
104         *type = types[0];
105         *domain = talloc_move(mem_ctx, &domains[0]);
106         *name = talloc_move(mem_ctx, &names[0]);
107
108         status = NT_STATUS_OK;
109  fail:
110         TALLOC_FREE(p);
111         cli_tdis(cli);
112         cli->cnum = orig_cnum;
113         TALLOC_FREE(frame);
114         return status;
115 }
116
117 static NTSTATUS cli_lsa_lookup_name(struct cli_state *cli,
118                                     const char *name,
119                                     enum lsa_SidType *type,
120                                     DOM_SID *sid)
121 {
122         uint16 orig_cnum = cli->cnum;
123         struct rpc_pipe_client *p;
124         struct policy_handle handle;
125         NTSTATUS status;
126         TALLOC_CTX *frame = talloc_stackframe();
127         DOM_SID *sids;
128         enum lsa_SidType *types;
129
130         status = cli_tcon_andx(cli, "IPC$", "?????", "", 0);
131         if (!NT_STATUS_IS_OK(status)) {
132                 return status;
133         }
134
135         status = cli_rpc_pipe_open_noauth(cli, &ndr_table_lsarpc.syntax_id,
136                                           &p);
137         if (!NT_STATUS_IS_OK(status)) {
138                 goto fail;
139         }
140
141         status = rpccli_lsa_open_policy(p, talloc_tos(), True,
142                                         GENERIC_EXECUTE_ACCESS, &handle);
143         if (!NT_STATUS_IS_OK(status)) {
144                 goto fail;
145         }
146
147         status = rpccli_lsa_lookup_names(p, talloc_tos(), &handle, 1, &name,
148                                          NULL, 1, &sids, &types);
149         if (!NT_STATUS_IS_OK(status)) {
150                 goto fail;
151         }
152
153         *type = types[0];
154         *sid = sids[0];
155
156         status = NT_STATUS_OK;
157  fail:
158         TALLOC_FREE(p);
159         cli_tdis(cli);
160         cli->cnum = orig_cnum;
161         TALLOC_FREE(frame);
162         return status;
163 }
164
165 /* convert a SID to a string, either numeric or username/group */
166 static void SidToString(struct cli_state *cli, fstring str, const DOM_SID *sid)
167 {
168         char *domain = NULL;
169         char *name = NULL;
170         enum lsa_SidType type;
171         NTSTATUS status;
172
173         sid_to_fstring(str, sid);
174
175         if (numeric) {
176                 return;
177         }
178
179         status = cli_lsa_lookup_sid(cli, sid, talloc_tos(), &type,
180                                     &domain, &name);
181
182         if (!NT_STATUS_IS_OK(status)) {
183                 return;
184         }
185
186         if (*domain) {
187                 slprintf(str, sizeof(fstring) - 1, "%s%s%s",
188                         domain, lp_winbind_separator(), name);
189         } else {
190                 fstrcpy(str, name);
191         }
192 }
193
194 /* convert a string to a SID, either numeric or username/group */
195 static bool StringToSid(struct cli_state *cli, DOM_SID *sid, const char *str)
196 {
197         enum lsa_SidType type;
198
199         if (strncmp(str, "S-", 2) == 0) {
200                 return string_to_sid(sid, str);
201         }
202
203         return NT_STATUS_IS_OK(cli_lsa_lookup_name(cli, str, &type, sid));
204 }
205
206 static void print_ace_flags(FILE *f, uint8_t flags)
207 {
208         char *str = talloc_strdup(NULL, "");
209
210         if (!str) {
211                 goto out;
212         }
213
214         if (flags & SEC_ACE_FLAG_OBJECT_INHERIT) {
215                 str = talloc_asprintf(str, "%s%s",
216                                 str, "OI|");
217                 if (!str) {
218                         goto out;
219                 }
220         }
221         if (flags & SEC_ACE_FLAG_CONTAINER_INHERIT) {
222                 str = talloc_asprintf(str, "%s%s",
223                                 str, "CI|");
224                 if (!str) {
225                         goto out;
226                 }
227         }
228         if (flags & SEC_ACE_FLAG_NO_PROPAGATE_INHERIT) {
229                 str = talloc_asprintf(str, "%s%s",
230                                 str, "NP|");
231                 if (!str) {
232                         goto out;
233                 }
234         }
235         if (flags & SEC_ACE_FLAG_INHERIT_ONLY) {
236                 str = talloc_asprintf(str, "%s%s",
237                                 str, "IO|");
238                 if (!str) {
239                         goto out;
240                 }
241         }
242         if (flags & SEC_ACE_FLAG_INHERITED_ACE) {
243                 str = talloc_asprintf(str, "%s%s",
244                                 str, "I|");
245                 if (!str) {
246                         goto out;
247                 }
248         }
249         /* Ignore define SEC_ACE_FLAG_SUCCESSFUL_ACCESS ( 0x40 )
250            and SEC_ACE_FLAG_FAILED_ACCESS ( 0x80 ) as they're
251            audit ace flags. */
252
253         if (str[strlen(str)-1] == '|') {
254                 str[strlen(str)-1] = '\0';
255                 fprintf(f, "/%s/", str);
256         } else {
257                 fprintf(f, "/0x%x/", flags);
258         }
259         TALLOC_FREE(str);
260         return;
261
262   out:
263         fprintf(f, "/0x%x/", flags);
264 }
265
266 /* print an ACE on a FILE, using either numeric or ascii representation */
267 static void print_ace(struct cli_state *cli, FILE *f, SEC_ACE *ace)
268 {
269         const struct perm_value *v;
270         fstring sidstr;
271         int do_print = 0;
272         uint32 got_mask;
273
274         SidToString(cli, sidstr, &ace->trustee);
275
276         fprintf(f, "%s:", sidstr);
277
278         if (numeric) {
279                 fprintf(f, "%d/0x%x/0x%08x",
280                         ace->type, ace->flags, ace->access_mask);
281                 return;
282         }
283
284         /* Ace type */
285
286         if (ace->type == SEC_ACE_TYPE_ACCESS_ALLOWED) {
287                 fprintf(f, "ALLOWED");
288         } else if (ace->type == SEC_ACE_TYPE_ACCESS_DENIED) {
289                 fprintf(f, "DENIED");
290         } else {
291                 fprintf(f, "%d", ace->type);
292         }
293
294         print_ace_flags(f, ace->flags);
295
296         /* Standard permissions */
297
298         for (v = standard_values; v->perm; v++) {
299                 if (ace->access_mask == v->mask) {
300                         fprintf(f, "%s", v->perm);
301                         return;
302                 }
303         }
304
305         /* Special permissions.  Print out a hex value if we have
306            leftover bits in the mask. */
307
308         got_mask = ace->access_mask;
309
310  again:
311         for (v = special_values; v->perm; v++) {
312                 if ((ace->access_mask & v->mask) == v->mask) {
313                         if (do_print) {
314                                 fprintf(f, "%s", v->perm);
315                         }
316                         got_mask &= ~v->mask;
317                 }
318         }
319
320         if (!do_print) {
321                 if (got_mask != 0) {
322                         fprintf(f, "0x%08x", ace->access_mask);
323                 } else {
324                         do_print = 1;
325                         goto again;
326                 }
327         }
328 }
329
330 static bool parse_ace_flags(const char *str, unsigned int *pflags)
331 {
332         const char *p = str;
333         *pflags = 0;
334
335         while (*p) {
336                 if (strnequal(p, "OI", 2)) {
337                         *pflags |= SEC_ACE_FLAG_OBJECT_INHERIT;
338                         p += 2;
339                 } else if (strnequal(p, "CI", 2)) {
340                         *pflags |= SEC_ACE_FLAG_CONTAINER_INHERIT;
341                         p += 2;
342                 } else if (strnequal(p, "NP", 2)) {
343                         *pflags |= SEC_ACE_FLAG_NO_PROPAGATE_INHERIT;
344                         p += 2;
345                 } else if (strnequal(p, "IO", 2)) {
346                         *pflags |= SEC_ACE_FLAG_INHERIT_ONLY;
347                         p += 2;
348                 } else if (*p == 'I') {
349                         *pflags |= SEC_ACE_FLAG_INHERITED_ACE;
350                         p += 1;
351                 } else if (*p) {
352                         return false;
353                 }
354
355                 if (*p != '|' && *p != '\0') {
356                         return false;
357                 }
358         }
359         return true;
360 }
361
362 /* parse an ACE in the same format as print_ace() */
363 static bool parse_ace(struct cli_state *cli, SEC_ACE *ace,
364                       const char *orig_str)
365 {
366         char *p;
367         const char *cp;
368         char *tok;
369         unsigned int atype = 0;
370         unsigned int aflags = 0;
371         unsigned int amask = 0;
372         DOM_SID sid;
373         uint32_t mask;
374         const struct perm_value *v;
375         char *str = SMB_STRDUP(orig_str);
376         TALLOC_CTX *frame = talloc_stackframe();
377
378         if (!str) {
379                 TALLOC_FREE(frame);
380                 return False;
381         }
382
383         ZERO_STRUCTP(ace);
384         p = strchr_m(str,':');
385         if (!p) {
386                 printf("ACE '%s': missing ':'.\n", orig_str);
387                 SAFE_FREE(str);
388                 TALLOC_FREE(frame);
389                 return False;
390         }
391         *p = '\0';
392         p++;
393         /* Try to parse numeric form */
394
395         if (sscanf(p, "%i/%i/%i", &atype, &aflags, &amask) == 3 &&
396             StringToSid(cli, &sid, str)) {
397                 goto done;
398         }
399
400         /* Try to parse text form */
401
402         if (!StringToSid(cli, &sid, str)) {
403                 printf("ACE '%s': failed to convert '%s' to SID\n",
404                         orig_str, str);
405                 SAFE_FREE(str);
406                 TALLOC_FREE(frame);
407                 return False;
408         }
409
410         cp = p;
411         if (!next_token_talloc(frame, &cp, &tok, "/")) {
412                 printf("ACE '%s': failed to find '/' character.\n",
413                         orig_str);
414                 SAFE_FREE(str);
415                 TALLOC_FREE(frame);
416                 return False;
417         }
418
419         if (strncmp(tok, "ALLOWED", strlen("ALLOWED")) == 0) {
420                 atype = SEC_ACE_TYPE_ACCESS_ALLOWED;
421         } else if (strncmp(tok, "DENIED", strlen("DENIED")) == 0) {
422                 atype = SEC_ACE_TYPE_ACCESS_DENIED;
423         } else {
424                 printf("ACE '%s': missing 'ALLOWED' or 'DENIED' entry at '%s'\n",
425                         orig_str, tok);
426                 SAFE_FREE(str);
427                 TALLOC_FREE(frame);
428                 return False;
429         }
430
431         /* Only numeric form accepted for flags at present */
432
433         if (!next_token_talloc(frame, &cp, &tok, "/")) {
434                 printf("ACE '%s': bad flags entry at '%s'\n",
435                         orig_str, tok);
436                 SAFE_FREE(str);
437                 TALLOC_FREE(frame);
438                 return False;
439         }
440
441         if (tok[0] < '0' || tok[0] > '9') {
442                 if (!parse_ace_flags(tok, &aflags)) {
443                         printf("ACE '%s': bad named flags entry at '%s'\n",
444                                 orig_str, tok);
445                         SAFE_FREE(str);
446                         TALLOC_FREE(frame);
447                         return False;
448                 }
449         } else if (strnequal(tok, "0x", 2)) {
450                 if (!sscanf(tok, "%x", &aflags)) {
451                         printf("ACE '%s': bad hex flags entry at '%s'\n",
452                                 orig_str, tok);
453                         SAFE_FREE(str);
454                         TALLOC_FREE(frame);
455                         return False;
456                 }
457         } else {
458                 if (!sscanf(tok, "%i", &aflags)) {
459                         printf("ACE '%s': bad integer flags entry at '%s'\n",
460                                 orig_str, tok);
461                         SAFE_FREE(str);
462                         TALLOC_FREE(frame);
463                         return False;
464                 }
465         }
466
467         if (!next_token_talloc(frame, &cp, &tok, "/")) {
468                 printf("ACE '%s': missing / at '%s'\n",
469                         orig_str, tok);
470                 SAFE_FREE(str);
471                 TALLOC_FREE(frame);
472                 return False;
473         }
474
475         if (strncmp(tok, "0x", 2) == 0) {
476                 if (sscanf(tok, "%i", &amask) != 1) {
477                         printf("ACE '%s': bad hex number at '%s'\n",
478                                 orig_str, tok);
479                         SAFE_FREE(str);
480                         TALLOC_FREE(frame);
481                         return False;
482                 }
483                 goto done;
484         }
485
486         for (v = standard_values; v->perm; v++) {
487                 if (strcmp(tok, v->perm) == 0) {
488                         amask = v->mask;
489                         goto done;
490                 }
491         }
492
493         p = tok;
494
495         while(*p) {
496                 bool found = False;
497
498                 for (v = special_values; v->perm; v++) {
499                         if (v->perm[0] == *p) {
500                                 amask |= v->mask;
501                                 found = True;
502                         }
503                 }
504
505                 if (!found) {
506                         printf("ACE '%s': bad permission value at '%s'\n",
507                                 orig_str, p);
508                         SAFE_FREE(str);
509                         TALLOC_FREE(frame);
510                         return False;
511                 }
512                 p++;
513         }
514
515         if (*p) {
516                 TALLOC_FREE(frame);
517                 SAFE_FREE(str);
518                 return False;
519         }
520
521  done:
522         mask = amask;
523         init_sec_ace(ace, &sid, atype, mask, aflags);
524         TALLOC_FREE(frame);
525         SAFE_FREE(str);
526         return True;
527 }
528
529 /* add an ACE to a list of ACEs in a SEC_ACL */
530 static bool add_ace(SEC_ACL **the_acl, SEC_ACE *ace)
531 {
532         SEC_ACL *new_ace;
533         SEC_ACE *aces;
534         if (! *the_acl) {
535                 return (((*the_acl) = make_sec_acl(talloc_tos(), 3, 1, ace))
536                         != NULL);
537         }
538
539         if (!(aces = SMB_CALLOC_ARRAY(SEC_ACE, 1+(*the_acl)->num_aces))) {
540                 return False;
541         }
542         memcpy(aces, (*the_acl)->aces, (*the_acl)->num_aces * sizeof(SEC_ACE));
543         memcpy(aces+(*the_acl)->num_aces, ace, sizeof(SEC_ACE));
544         new_ace = make_sec_acl(talloc_tos(),(*the_acl)->revision,1+(*the_acl)->num_aces, aces);
545         SAFE_FREE(aces);
546         (*the_acl) = new_ace;
547         return True;
548 }
549
550 /* parse a ascii version of a security descriptor */
551 static SEC_DESC *sec_desc_parse(TALLOC_CTX *ctx, struct cli_state *cli, char *str)
552 {
553         const char *p = str;
554         char *tok;
555         SEC_DESC *ret = NULL;
556         size_t sd_size;
557         DOM_SID *grp_sid=NULL, *owner_sid=NULL;
558         SEC_ACL *dacl=NULL;
559         int revision=1;
560
561         while (next_token_talloc(ctx, &p, &tok, "\t,\r\n")) {
562                 if (strncmp(tok,"REVISION:", 9) == 0) {
563                         revision = strtol(tok+9, NULL, 16);
564                         continue;
565                 }
566
567                 if (strncmp(tok,"OWNER:", 6) == 0) {
568                         if (owner_sid) {
569                                 printf("Only specify owner once\n");
570                                 goto done;
571                         }
572                         owner_sid = SMB_CALLOC_ARRAY(DOM_SID, 1);
573                         if (!owner_sid ||
574                             !StringToSid(cli, owner_sid, tok+6)) {
575                                 printf("Failed to parse owner sid\n");
576                                 goto done;
577                         }
578                         continue;
579                 }
580
581                 if (strncmp(tok,"GROUP:", 6) == 0) {
582                         if (grp_sid) {
583                                 printf("Only specify group once\n");
584                                 goto done;
585                         }
586                         grp_sid = SMB_CALLOC_ARRAY(DOM_SID, 1);
587                         if (!grp_sid ||
588                             !StringToSid(cli, grp_sid, tok+6)) {
589                                 printf("Failed to parse group sid\n");
590                                 goto done;
591                         }
592                         continue;
593                 }
594
595                 if (strncmp(tok,"ACL:", 4) == 0) {
596                         SEC_ACE ace;
597                         if (!parse_ace(cli, &ace, tok+4)) {
598                                 goto done;
599                         }
600                         if(!add_ace(&dacl, &ace)) {
601                                 printf("Failed to add ACL %s\n", tok);
602                                 goto done;
603                         }
604                         continue;
605                 }
606
607                 printf("Failed to parse token '%s' in security descriptor,\n", tok);
608                 goto done;
609         }
610
611         ret = make_sec_desc(ctx,revision, SEC_DESC_SELF_RELATIVE, owner_sid, grp_sid,
612                             NULL, dacl, &sd_size);
613
614   done:
615         SAFE_FREE(grp_sid);
616         SAFE_FREE(owner_sid);
617
618         return ret;
619 }
620
621
622 /* print a ascii version of a security descriptor on a FILE handle */
623 static void sec_desc_print(struct cli_state *cli, FILE *f, SEC_DESC *sd)
624 {
625         fstring sidstr;
626         uint32 i;
627
628         fprintf(f, "REVISION:%d\n", sd->revision);
629         fprintf(f, "CONTROL:0x%x\n", sd->type);
630
631         /* Print owner and group sid */
632
633         if (sd->owner_sid) {
634                 SidToString(cli, sidstr, sd->owner_sid);
635         } else {
636                 fstrcpy(sidstr, "");
637         }
638
639         fprintf(f, "OWNER:%s\n", sidstr);
640
641         if (sd->group_sid) {
642                 SidToString(cli, sidstr, sd->group_sid);
643         } else {
644                 fstrcpy(sidstr, "");
645         }
646
647         fprintf(f, "GROUP:%s\n", sidstr);
648
649         /* Print aces */
650         for (i = 0; sd->dacl && i < sd->dacl->num_aces; i++) {
651                 SEC_ACE *ace = &sd->dacl->aces[i];
652                 fprintf(f, "ACL:");
653                 print_ace(cli, f, ace);
654                 fprintf(f, "\n");
655         }
656
657 }
658
659 /***************************************************** 
660 dump the acls for a file
661 *******************************************************/
662 static int cacl_dump(struct cli_state *cli, char *filename)
663 {
664         int result = EXIT_FAILED;
665         uint16_t fnum = (uint16_t)-1;
666         SEC_DESC *sd;
667
668         if (test_args) 
669                 return EXIT_OK;
670
671         if (!NT_STATUS_IS_OK(cli_ntcreate(cli, filename, 0, CREATE_ACCESS_READ, 0,
672                                 FILE_SHARE_READ|FILE_SHARE_WRITE, FILE_OPEN, 0x0, 0x0, &fnum))) {
673                 printf("Failed to open %s: %s\n", filename, cli_errstr(cli));
674                 goto done;
675         }
676
677         sd = cli_query_secdesc(cli, fnum, talloc_tos());
678
679         if (!sd) {
680                 printf("ERROR: secdesc query failed: %s\n", cli_errstr(cli));
681                 goto done;
682         }
683
684         sec_desc_print(cli, stdout, sd);
685
686         result = EXIT_OK;
687
688 done:
689         if (fnum != (uint16_t)-1)
690                 cli_close(cli, fnum);
691
692         return result;
693 }
694
695 /***************************************************** 
696 Change the ownership or group ownership of a file. Just
697 because the NT docs say this can't be done :-). JRA.
698 *******************************************************/
699
700 static int owner_set(struct cli_state *cli, enum chown_mode change_mode, 
701                         const char *filename, const char *new_username)
702 {
703         uint16_t fnum;
704         DOM_SID sid;
705         SEC_DESC *sd, *old;
706         size_t sd_size;
707
708         if (!NT_STATUS_IS_OK(cli_ntcreate(cli, filename, 0, CREATE_ACCESS_READ, 0,
709                                 FILE_SHARE_READ|FILE_SHARE_WRITE, FILE_OPEN, 0x0, 0x0, &fnum))) {
710                 printf("Failed to open %s: %s\n", filename, cli_errstr(cli));
711                 return EXIT_FAILED;
712         }
713
714         if (!StringToSid(cli, &sid, new_username))
715                 return EXIT_PARSE_ERROR;
716
717         old = cli_query_secdesc(cli, fnum, talloc_tos());
718
719         cli_close(cli, fnum);
720
721         if (!old) {
722                 printf("owner_set: Failed to query old descriptor\n");
723                 return EXIT_FAILED;
724         }
725
726         sd = make_sec_desc(talloc_tos(),old->revision, old->type,
727                                 (change_mode == REQUEST_CHOWN) ? &sid : NULL,
728                                 (change_mode == REQUEST_CHGRP) ? &sid : NULL,
729                            NULL, NULL, &sd_size);
730
731         if (!NT_STATUS_IS_OK(cli_ntcreate(cli, filename, 0, WRITE_OWNER_ACCESS, 0,
732                         FILE_SHARE_READ|FILE_SHARE_WRITE, FILE_OPEN, 0x0, 0x0, &fnum))) {
733                 printf("Failed to open %s: %s\n", filename, cli_errstr(cli));
734                 return EXIT_FAILED;
735         }
736
737         if (!cli_set_secdesc(cli, fnum, sd)) {
738                 printf("ERROR: secdesc set failed: %s\n", cli_errstr(cli));
739                 cli_close(cli, fnum);
740                 return EXIT_FAILED;
741         }
742
743         cli_close(cli, fnum);
744
745         return EXIT_OK;
746 }
747
748
749 /* The MSDN is contradictory over the ordering of ACE entries in an
750    ACL.  However NT4 gives a "The information may have been modified
751    by a computer running Windows NT 5.0" if denied ACEs do not appear
752    before allowed ACEs. At
753    http://technet.microsoft.com/en-us/library/cc781716.aspx the
754    canonical order is specified as "Explicit Deny, Explicit Allow,
755    Inherited ACEs unchanged" */
756
757 static int ace_compare(SEC_ACE *ace1, SEC_ACE *ace2)
758 {
759         if (sec_ace_equal(ace1, ace2))
760                 return 0;
761
762         if ((ace1->flags & SEC_ACE_FLAG_INHERITED_ACE) &&
763                         !(ace2->flags & SEC_ACE_FLAG_INHERITED_ACE))
764                 return 1;
765         if (!(ace1->flags & SEC_ACE_FLAG_INHERITED_ACE) &&
766                         (ace2->flags & SEC_ACE_FLAG_INHERITED_ACE))
767                 return -1;
768         if ((ace1->flags & SEC_ACE_FLAG_INHERITED_ACE) &&
769                         (ace2->flags & SEC_ACE_FLAG_INHERITED_ACE))
770                 return ace1 - ace2;
771
772         if (ace1->type != ace2->type)
773                 return ace2->type - ace1->type;
774
775         if (sid_compare(&ace1->trustee, &ace2->trustee))
776                 return sid_compare(&ace1->trustee, &ace2->trustee);
777
778         if (ace1->flags != ace2->flags)
779                 return ace1->flags - ace2->flags;
780
781         if (ace1->access_mask != ace2->access_mask)
782                 return ace1->access_mask - ace2->access_mask;
783
784         if (ace1->size != ace2->size)
785                 return ace1->size - ace2->size;
786
787         return memcmp(ace1, ace2, sizeof(SEC_ACE));
788 }
789
790 static void sort_acl(SEC_ACL *the_acl)
791 {
792         uint32 i;
793         if (!the_acl) return;
794
795         TYPESAFE_QSORT(the_acl->aces, the_acl->num_aces, ace_compare);
796
797         for (i=1;i<the_acl->num_aces;) {
798                 if (sec_ace_equal(&the_acl->aces[i-1], &the_acl->aces[i])) {
799                         int j;
800                         for (j=i; j<the_acl->num_aces-1; j++) {
801                                 the_acl->aces[j] = the_acl->aces[j+1];
802                         }
803                         the_acl->num_aces--;
804                 } else {
805                         i++;
806                 }
807         }
808 }
809
810 /***************************************************** 
811 set the ACLs on a file given an ascii description
812 *******************************************************/
813
814 static int cacl_set(struct cli_state *cli, char *filename, 
815                     char *the_acl, enum acl_mode mode)
816 {
817         uint16_t fnum;
818         SEC_DESC *sd, *old;
819         uint32 i, j;
820         size_t sd_size;
821         int result = EXIT_OK;
822
823         sd = sec_desc_parse(talloc_tos(), cli, the_acl);
824
825         if (!sd) return EXIT_PARSE_ERROR;
826         if (test_args) return EXIT_OK;
827
828         /* The desired access below is the only one I could find that works
829            with NT4, W2KP and Samba */
830
831         if (!NT_STATUS_IS_OK(cli_ntcreate(cli, filename, 0, CREATE_ACCESS_READ, 0,
832                                 FILE_SHARE_READ|FILE_SHARE_WRITE, FILE_OPEN, 0x0, 0x0, &fnum))) {
833                 printf("cacl_set failed to open %s: %s\n", filename, cli_errstr(cli));
834                 return EXIT_FAILED;
835         }
836
837         old = cli_query_secdesc(cli, fnum, talloc_tos());
838
839         if (!old) {
840                 printf("calc_set: Failed to query old descriptor\n");
841                 return EXIT_FAILED;
842         }
843
844         cli_close(cli, fnum);
845
846         /* the logic here is rather more complex than I would like */
847         switch (mode) {
848         case SMB_ACL_DELETE:
849                 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
850                         bool found = False;
851
852                         for (j=0;old->dacl && j<old->dacl->num_aces;j++) {
853                                 if (sec_ace_equal(&sd->dacl->aces[i],
854                                                   &old->dacl->aces[j])) {
855                                         uint32 k;
856                                         for (k=j; k<old->dacl->num_aces-1;k++) {
857                                                 old->dacl->aces[k] = old->dacl->aces[k+1];
858                                         }
859                                         old->dacl->num_aces--;
860                                         found = True;
861                                         break;
862                                 }
863                         }
864
865                         if (!found) {
866                                 printf("ACL for ACE:");
867                                 print_ace(cli, stdout, &sd->dacl->aces[i]);
868                                 printf(" not found\n");
869                         }
870                 }
871                 break;
872
873         case SMB_ACL_MODIFY:
874                 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
875                         bool found = False;
876
877                         for (j=0;old->dacl && j<old->dacl->num_aces;j++) {
878                                 if (sid_equal(&sd->dacl->aces[i].trustee,
879                                               &old->dacl->aces[j].trustee)) {
880                                         old->dacl->aces[j] = sd->dacl->aces[i];
881                                         found = True;
882                                 }
883                         }
884
885                         if (!found) {
886                                 fstring str;
887
888                                 SidToString(cli, str,
889                                             &sd->dacl->aces[i].trustee);
890                                 printf("ACL for SID %s not found\n", str);
891                         }
892                 }
893
894                 if (sd->owner_sid) {
895                         old->owner_sid = sd->owner_sid;
896                 }
897
898                 if (sd->group_sid) {
899                         old->group_sid = sd->group_sid;
900                 }
901
902                 break;
903
904         case SMB_ACL_ADD:
905                 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
906                         add_ace(&old->dacl, &sd->dacl->aces[i]);
907                 }
908                 break;
909
910         case SMB_ACL_SET:
911                 old = sd;
912                 break;
913         }
914
915         /* Denied ACE entries must come before allowed ones */
916         sort_acl(old->dacl);
917
918         /* Create new security descriptor and set it */
919
920         /* We used to just have "WRITE_DAC_ACCESS" without WRITE_OWNER.
921            But if we're sending an owner, even if it's the same as the one
922            that already exists then W2K3 insists we open with WRITE_OWNER access.
923            I need to check that setting a SD with no owner set works against WNT
924            and W2K. JRA.
925         */
926
927         sd = make_sec_desc(talloc_tos(),old->revision, old->type,
928                            old->owner_sid, old->group_sid,
929                            NULL, old->dacl, &sd_size);
930
931         if (!NT_STATUS_IS_OK(cli_ntcreate(cli, filename, 0, WRITE_DAC_ACCESS|WRITE_OWNER_ACCESS, 0,
932                         FILE_SHARE_READ|FILE_SHARE_WRITE, FILE_OPEN, 0x0, 0x0, &fnum))) {
933                 printf("cacl_set failed to open %s: %s\n", filename, cli_errstr(cli));
934                 return EXIT_FAILED;
935         }
936
937         if (!cli_set_secdesc(cli, fnum, sd)) {
938                 printf("ERROR: secdesc set failed: %s\n", cli_errstr(cli));
939                 result = EXIT_FAILED;
940         }
941
942         /* Clean up */
943
944         cli_close(cli, fnum);
945
946         return result;
947 }
948
949
950 /*****************************************************
951  Return a connection to a server.
952 *******************************************************/
953 static struct cli_state *connect_one(struct user_auth_info *auth_info,
954                                      const char *server, const char *share)
955 {
956         struct cli_state *c = NULL;
957         struct sockaddr_storage ss;
958         NTSTATUS nt_status;
959         uint32_t flags = 0;
960
961         zero_sockaddr(&ss);
962
963         if (get_cmdline_auth_info_use_kerberos(auth_info)) {
964                 flags |= CLI_FULL_CONNECTION_USE_KERBEROS |
965                          CLI_FULL_CONNECTION_FALLBACK_AFTER_KERBEROS;
966         }
967
968         if (get_cmdline_auth_info_use_machine_account(auth_info) &&
969             !set_cmdline_auth_info_machine_account_creds(auth_info)) {
970                 return NULL;
971         }
972
973         set_cmdline_auth_info_getpass(auth_info);
974
975         nt_status = cli_full_connection(&c, global_myname(), server, 
976                                 &ss, 0,
977                                 share, "?????",
978                                 get_cmdline_auth_info_username(auth_info),
979                                 lp_workgroup(),
980                                 get_cmdline_auth_info_password(auth_info),
981                                 flags,
982                                 get_cmdline_auth_info_signing_state(auth_info),
983                                 NULL);
984         if (!NT_STATUS_IS_OK(nt_status)) {
985                 DEBUG(0,("cli_full_connection failed! (%s)\n", nt_errstr(nt_status)));
986                 return NULL;
987         }
988
989         if (get_cmdline_auth_info_smb_encrypt(auth_info)) {
990                 nt_status = cli_cm_force_encryption(c,
991                                         get_cmdline_auth_info_username(auth_info),
992                                         get_cmdline_auth_info_password(auth_info),
993                                         lp_workgroup(),
994                                         share);
995                 if (!NT_STATUS_IS_OK(nt_status)) {
996                         cli_shutdown(c);
997                         c = NULL;
998                 }
999         }
1000
1001         return c;
1002 }
1003
1004 /****************************************************************************
1005   main program
1006 ****************************************************************************/
1007  int main(int argc, const char *argv[])
1008 {
1009         char *share;
1010         int opt;
1011         enum acl_mode mode = SMB_ACL_SET;
1012         static char *the_acl = NULL;
1013         enum chown_mode change_mode = REQUEST_NONE;
1014         int result;
1015         char *path;
1016         char *filename = NULL;
1017         poptContext pc;
1018         struct poptOption long_options[] = {
1019                 POPT_AUTOHELP
1020                 { "delete", 'D', POPT_ARG_STRING, NULL, 'D', "Delete an acl", "ACL" },
1021                 { "modify", 'M', POPT_ARG_STRING, NULL, 'M', "Modify an acl", "ACL" },
1022                 { "add", 'a', POPT_ARG_STRING, NULL, 'a', "Add an acl", "ACL" },
1023                 { "set", 'S', POPT_ARG_STRING, NULL, 'S', "Set acls", "ACLS" },
1024                 { "chown", 'C', POPT_ARG_STRING, NULL, 'C', "Change ownership of a file", "USERNAME" },
1025                 { "chgrp", 'G', POPT_ARG_STRING, NULL, 'G', "Change group ownership of a file", "GROUPNAME" },
1026                 { "numeric", 0, POPT_ARG_NONE, &numeric, 1, "Don't resolve sids or masks to names" },
1027                 { "test-args", 't', POPT_ARG_NONE, &test_args, 1, "Test arguments"},
1028                 POPT_COMMON_SAMBA
1029                 POPT_COMMON_CONNECTION
1030                 POPT_COMMON_CREDENTIALS
1031                 POPT_TABLEEND
1032         };
1033
1034         struct cli_state *cli;
1035         TALLOC_CTX *frame = talloc_stackframe();
1036         const char *owner_username = "";
1037         char *server;
1038         struct user_auth_info *auth_info;
1039
1040         load_case_tables();
1041
1042
1043         /* set default debug level to 1 regardless of what smb.conf sets */
1044         setup_logging( "smbcacls", True );
1045         DEBUGLEVEL_CLASS[DBGC_ALL] = 1;
1046         dbf = x_stderr;
1047         x_setbuf( x_stderr, NULL );
1048         AllowDebugChange = false;
1049
1050         setlinebuf(stdout);
1051
1052         lp_load(get_dyn_CONFIGFILE(),True,False,False,True);
1053         load_interfaces();
1054
1055         auth_info = user_auth_info_init(frame);
1056         if (auth_info == NULL) {
1057                 exit(1);
1058         }
1059         popt_common_set_auth_info(auth_info);
1060
1061         pc = poptGetContext("smbcacls", argc, argv, long_options, 0);
1062
1063         poptSetOtherOptionHelp(pc, "//server1/share1 filename\nACLs look like: "
1064                 "'ACL:user:[ALLOWED|DENIED]/flags/permissions'");
1065
1066         while ((opt = poptGetNextOpt(pc)) != -1) {
1067                 switch (opt) {
1068                 case 'S':
1069                         the_acl = smb_xstrdup(poptGetOptArg(pc));
1070                         mode = SMB_ACL_SET;
1071                         break;
1072
1073                 case 'D':
1074                         the_acl = smb_xstrdup(poptGetOptArg(pc));
1075                         mode = SMB_ACL_DELETE;
1076                         break;
1077
1078                 case 'M':
1079                         the_acl = smb_xstrdup(poptGetOptArg(pc));
1080                         mode = SMB_ACL_MODIFY;
1081                         break;
1082
1083                 case 'a':
1084                         the_acl = smb_xstrdup(poptGetOptArg(pc));
1085                         mode = SMB_ACL_ADD;
1086                         break;
1087
1088                 case 'C':
1089                         owner_username = poptGetOptArg(pc);
1090                         change_mode = REQUEST_CHOWN;
1091                         break;
1092
1093                 case 'G':
1094                         owner_username = poptGetOptArg(pc);
1095                         change_mode = REQUEST_CHGRP;
1096                         break;
1097                 }
1098         }
1099
1100         /* Make connection to server */
1101         if(!poptPeekArg(pc)) {
1102                 poptPrintUsage(pc, stderr, 0);
1103                 return -1;
1104         }
1105
1106         path = talloc_strdup(frame, poptGetArg(pc));
1107         if (!path) {
1108                 return -1;
1109         }
1110
1111         if(!poptPeekArg(pc)) {
1112                 poptPrintUsage(pc, stderr, 0);
1113                 return -1;
1114         }
1115
1116         filename = talloc_strdup(frame, poptGetArg(pc));
1117         if (!filename) {
1118                 return -1;
1119         }
1120
1121         string_replace(path,'/','\\');
1122
1123         server = talloc_strdup(frame, path+2);
1124         if (!server) {
1125                 return -1;
1126         }
1127         share = strchr_m(server,'\\');
1128         if (!share) {
1129                 printf("Invalid argument: %s\n", share);
1130                 return -1;
1131         }
1132
1133         *share = 0;
1134         share++;
1135
1136         if (!test_args) {
1137                 cli = connect_one(auth_info, server, share);
1138                 if (!cli) {
1139                         exit(EXIT_FAILED);
1140                 }
1141         } else {
1142                 exit(0);
1143         }
1144
1145         string_replace(filename, '/', '\\');
1146         if (filename[0] != '\\') {
1147                 filename = talloc_asprintf(frame,
1148                                 "\\%s",
1149                                 filename);
1150                 if (!filename) {
1151                         return -1;
1152                 }
1153         }
1154
1155         /* Perform requested action */
1156
1157         if (change_mode != REQUEST_NONE) {
1158                 result = owner_set(cli, change_mode, filename, owner_username);
1159         } else if (the_acl) {
1160                 result = cacl_set(cli, filename, the_acl, mode);
1161         } else {
1162                 result = cacl_dump(cli, filename);
1163         }
1164
1165         TALLOC_FREE(frame);
1166
1167         return result;
1168 }