46361add764c4aa0dabc1784eb16fb2c5427e518
[nivanova/samba-autobuild/.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 #include "../librpc/gen_ndr/ndr_lsa.h"
26 #include "rpc_client/cli_lsarpc.h"
27
28 extern bool AllowDebugChange;
29
30 static int test_args;
31
32 #define CREATE_ACCESS_READ READ_CONTROL_ACCESS
33
34 /* numeric is set when the user wants numeric SIDs and ACEs rather
35    than going via LSA calls to resolve them */
36 static int numeric;
37
38 static int sddl;
39
40 enum acl_mode {SMB_ACL_SET, SMB_ACL_DELETE, SMB_ACL_MODIFY, SMB_ACL_ADD };
41 enum chown_mode {REQUEST_NONE, REQUEST_CHOWN, REQUEST_CHGRP, REQUEST_INHERIT};
42 enum exit_values {EXIT_OK, EXIT_FAILED, EXIT_PARSE_ERROR};
43
44 struct perm_value {
45         const char *perm;
46         uint32 mask;
47 };
48
49 /* These values discovered by inspection */
50
51 static const struct perm_value special_values[] = {
52         { "R", 0x00120089 },
53         { "W", 0x00120116 },
54         { "X", 0x001200a0 },
55         { "D", 0x00010000 },
56         { "P", 0x00040000 },
57         { "O", 0x00080000 },
58         { NULL, 0 },
59 };
60
61 static const struct perm_value standard_values[] = {
62         { "READ",   0x001200a9 },
63         { "CHANGE", 0x001301bf },
64         { "FULL",   0x001f01ff },
65         { NULL, 0 },
66 };
67
68 /* Open cli connection and policy handle */
69
70 static NTSTATUS cli_lsa_lookup_sid(struct cli_state *cli,
71                                    const struct dom_sid *sid,
72                                    TALLOC_CTX *mem_ctx,
73                                    enum lsa_SidType *type,
74                                    char **domain, char **name)
75 {
76         uint16 orig_cnum = cli->cnum;
77         struct rpc_pipe_client *p = NULL;
78         struct policy_handle handle;
79         NTSTATUS status;
80         TALLOC_CTX *frame = talloc_stackframe();
81         enum lsa_SidType *types;
82         char **domains;
83         char **names;
84
85         status = cli_tcon_andx(cli, "IPC$", "?????", "", 0);
86         if (!NT_STATUS_IS_OK(status)) {
87                 return status;
88         }
89
90         status = cli_rpc_pipe_open_noauth(cli, &ndr_table_lsarpc.syntax_id,
91                                           &p);
92         if (!NT_STATUS_IS_OK(status)) {
93                 goto fail;
94         }
95
96         status = rpccli_lsa_open_policy(p, talloc_tos(), True,
97                                         GENERIC_EXECUTE_ACCESS, &handle);
98         if (!NT_STATUS_IS_OK(status)) {
99                 goto fail;
100         }
101
102         status = rpccli_lsa_lookup_sids(p, talloc_tos(), &handle, 1, sid,
103                                         &domains, &names, &types);
104         if (!NT_STATUS_IS_OK(status)) {
105                 goto fail;
106         }
107
108         *type = types[0];
109         *domain = talloc_move(mem_ctx, &domains[0]);
110         *name = talloc_move(mem_ctx, &names[0]);
111
112         status = NT_STATUS_OK;
113  fail:
114         TALLOC_FREE(p);
115         cli_tdis(cli);
116         cli->cnum = orig_cnum;
117         TALLOC_FREE(frame);
118         return status;
119 }
120
121 static NTSTATUS cli_lsa_lookup_name(struct cli_state *cli,
122                                     const char *name,
123                                     enum lsa_SidType *type,
124                                     struct dom_sid *sid)
125 {
126         uint16 orig_cnum = cli->cnum;
127         struct rpc_pipe_client *p;
128         struct policy_handle handle;
129         NTSTATUS status;
130         TALLOC_CTX *frame = talloc_stackframe();
131         struct dom_sid *sids;
132         enum lsa_SidType *types;
133
134         status = cli_tcon_andx(cli, "IPC$", "?????", "", 0);
135         if (!NT_STATUS_IS_OK(status)) {
136                 return status;
137         }
138
139         status = cli_rpc_pipe_open_noauth(cli, &ndr_table_lsarpc.syntax_id,
140                                           &p);
141         if (!NT_STATUS_IS_OK(status)) {
142                 goto fail;
143         }
144
145         status = rpccli_lsa_open_policy(p, talloc_tos(), True,
146                                         GENERIC_EXECUTE_ACCESS, &handle);
147         if (!NT_STATUS_IS_OK(status)) {
148                 goto fail;
149         }
150
151         status = rpccli_lsa_lookup_names(p, talloc_tos(), &handle, 1, &name,
152                                          NULL, 1, &sids, &types);
153         if (!NT_STATUS_IS_OK(status)) {
154                 goto fail;
155         }
156
157         *type = types[0];
158         *sid = sids[0];
159
160         status = NT_STATUS_OK;
161  fail:
162         TALLOC_FREE(p);
163         cli_tdis(cli);
164         cli->cnum = orig_cnum;
165         TALLOC_FREE(frame);
166         return status;
167 }
168
169 /* convert a SID to a string, either numeric or username/group */
170 static void SidToString(struct cli_state *cli, fstring str, const struct dom_sid *sid)
171 {
172         char *domain = NULL;
173         char *name = NULL;
174         enum lsa_SidType type;
175         NTSTATUS status;
176
177         sid_to_fstring(str, sid);
178
179         if (numeric) {
180                 return;
181         }
182
183         status = cli_lsa_lookup_sid(cli, sid, talloc_tos(), &type,
184                                     &domain, &name);
185
186         if (!NT_STATUS_IS_OK(status)) {
187                 return;
188         }
189
190         if (*domain) {
191                 slprintf(str, sizeof(fstring) - 1, "%s%s%s",
192                         domain, lp_winbind_separator(), name);
193         } else {
194                 fstrcpy(str, name);
195         }
196 }
197
198 /* convert a string to a SID, either numeric or username/group */
199 static bool StringToSid(struct cli_state *cli, struct dom_sid *sid, const char *str)
200 {
201         enum lsa_SidType type;
202
203         if (strncmp(str, "S-", 2) == 0) {
204                 return string_to_sid(sid, str);
205         }
206
207         return NT_STATUS_IS_OK(cli_lsa_lookup_name(cli, str, &type, sid));
208 }
209
210 static void print_ace_flags(FILE *f, uint8_t flags)
211 {
212         char *str = talloc_strdup(NULL, "");
213
214         if (!str) {
215                 goto out;
216         }
217
218         if (flags & SEC_ACE_FLAG_OBJECT_INHERIT) {
219                 str = talloc_asprintf(str, "%s%s",
220                                 str, "OI|");
221                 if (!str) {
222                         goto out;
223                 }
224         }
225         if (flags & SEC_ACE_FLAG_CONTAINER_INHERIT) {
226                 str = talloc_asprintf(str, "%s%s",
227                                 str, "CI|");
228                 if (!str) {
229                         goto out;
230                 }
231         }
232         if (flags & SEC_ACE_FLAG_NO_PROPAGATE_INHERIT) {
233                 str = talloc_asprintf(str, "%s%s",
234                                 str, "NP|");
235                 if (!str) {
236                         goto out;
237                 }
238         }
239         if (flags & SEC_ACE_FLAG_INHERIT_ONLY) {
240                 str = talloc_asprintf(str, "%s%s",
241                                 str, "IO|");
242                 if (!str) {
243                         goto out;
244                 }
245         }
246         if (flags & SEC_ACE_FLAG_INHERITED_ACE) {
247                 str = talloc_asprintf(str, "%s%s",
248                                 str, "I|");
249                 if (!str) {
250                         goto out;
251                 }
252         }
253         /* Ignore define SEC_ACE_FLAG_SUCCESSFUL_ACCESS ( 0x40 )
254            and SEC_ACE_FLAG_FAILED_ACCESS ( 0x80 ) as they're
255            audit ace flags. */
256
257         if (str[strlen(str)-1] == '|') {
258                 str[strlen(str)-1] = '\0';
259                 fprintf(f, "/%s/", str);
260         } else {
261                 fprintf(f, "/0x%x/", flags);
262         }
263         TALLOC_FREE(str);
264         return;
265
266   out:
267         fprintf(f, "/0x%x/", flags);
268 }
269
270 /* print an ACE on a FILE, using either numeric or ascii representation */
271 static void print_ace(struct cli_state *cli, FILE *f, struct security_ace *ace)
272 {
273         const struct perm_value *v;
274         fstring sidstr;
275         int do_print = 0;
276         uint32 got_mask;
277
278         SidToString(cli, sidstr, &ace->trustee);
279
280         fprintf(f, "%s:", sidstr);
281
282         if (numeric) {
283                 fprintf(f, "%d/0x%x/0x%08x",
284                         ace->type, ace->flags, ace->access_mask);
285                 return;
286         }
287
288         /* Ace type */
289
290         if (ace->type == SEC_ACE_TYPE_ACCESS_ALLOWED) {
291                 fprintf(f, "ALLOWED");
292         } else if (ace->type == SEC_ACE_TYPE_ACCESS_DENIED) {
293                 fprintf(f, "DENIED");
294         } else {
295                 fprintf(f, "%d", ace->type);
296         }
297
298         print_ace_flags(f, ace->flags);
299
300         /* Standard permissions */
301
302         for (v = standard_values; v->perm; v++) {
303                 if (ace->access_mask == v->mask) {
304                         fprintf(f, "%s", v->perm);
305                         return;
306                 }
307         }
308
309         /* Special permissions.  Print out a hex value if we have
310            leftover bits in the mask. */
311
312         got_mask = ace->access_mask;
313
314  again:
315         for (v = special_values; v->perm; v++) {
316                 if ((ace->access_mask & v->mask) == v->mask) {
317                         if (do_print) {
318                                 fprintf(f, "%s", v->perm);
319                         }
320                         got_mask &= ~v->mask;
321                 }
322         }
323
324         if (!do_print) {
325                 if (got_mask != 0) {
326                         fprintf(f, "0x%08x", ace->access_mask);
327                 } else {
328                         do_print = 1;
329                         goto again;
330                 }
331         }
332 }
333
334 static bool parse_ace_flags(const char *str, unsigned int *pflags)
335 {
336         const char *p = str;
337         *pflags = 0;
338
339         while (*p) {
340                 if (strnequal(p, "OI", 2)) {
341                         *pflags |= SEC_ACE_FLAG_OBJECT_INHERIT;
342                         p += 2;
343                 } else if (strnequal(p, "CI", 2)) {
344                         *pflags |= SEC_ACE_FLAG_CONTAINER_INHERIT;
345                         p += 2;
346                 } else if (strnequal(p, "NP", 2)) {
347                         *pflags |= SEC_ACE_FLAG_NO_PROPAGATE_INHERIT;
348                         p += 2;
349                 } else if (strnequal(p, "IO", 2)) {
350                         *pflags |= SEC_ACE_FLAG_INHERIT_ONLY;
351                         p += 2;
352                 } else if (*p == 'I') {
353                         *pflags |= SEC_ACE_FLAG_INHERITED_ACE;
354                         p += 1;
355                 } else if (*p) {
356                         return false;
357                 }
358
359                 if (*p != '|' && *p != '\0') {
360                         return false;
361                 }
362         }
363         return true;
364 }
365
366 /* parse an ACE in the same format as print_ace() */
367 static bool parse_ace(struct cli_state *cli, struct security_ace *ace,
368                       const char *orig_str)
369 {
370         char *p;
371         const char *cp;
372         char *tok;
373         unsigned int atype = 0;
374         unsigned int aflags = 0;
375         unsigned int amask = 0;
376         struct dom_sid sid;
377         uint32_t mask;
378         const struct perm_value *v;
379         char *str = SMB_STRDUP(orig_str);
380         TALLOC_CTX *frame = talloc_stackframe();
381
382         if (!str) {
383                 TALLOC_FREE(frame);
384                 return False;
385         }
386
387         ZERO_STRUCTP(ace);
388         p = strchr_m(str,':');
389         if (!p) {
390                 printf("ACE '%s': missing ':'.\n", orig_str);
391                 SAFE_FREE(str);
392                 TALLOC_FREE(frame);
393                 return False;
394         }
395         *p = '\0';
396         p++;
397         /* Try to parse numeric form */
398
399         if (sscanf(p, "%i/%i/%i", &atype, &aflags, &amask) == 3 &&
400             StringToSid(cli, &sid, str)) {
401                 goto done;
402         }
403
404         /* Try to parse text form */
405
406         if (!StringToSid(cli, &sid, str)) {
407                 printf("ACE '%s': failed to convert '%s' to SID\n",
408                         orig_str, str);
409                 SAFE_FREE(str);
410                 TALLOC_FREE(frame);
411                 return False;
412         }
413
414         cp = p;
415         if (!next_token_talloc(frame, &cp, &tok, "/")) {
416                 printf("ACE '%s': failed to find '/' character.\n",
417                         orig_str);
418                 SAFE_FREE(str);
419                 TALLOC_FREE(frame);
420                 return False;
421         }
422
423         if (strncmp(tok, "ALLOWED", strlen("ALLOWED")) == 0) {
424                 atype = SEC_ACE_TYPE_ACCESS_ALLOWED;
425         } else if (strncmp(tok, "DENIED", strlen("DENIED")) == 0) {
426                 atype = SEC_ACE_TYPE_ACCESS_DENIED;
427         } else {
428                 printf("ACE '%s': missing 'ALLOWED' or 'DENIED' entry at '%s'\n",
429                         orig_str, tok);
430                 SAFE_FREE(str);
431                 TALLOC_FREE(frame);
432                 return False;
433         }
434
435         /* Only numeric form accepted for flags at present */
436
437         if (!next_token_talloc(frame, &cp, &tok, "/")) {
438                 printf("ACE '%s': bad flags entry at '%s'\n",
439                         orig_str, tok);
440                 SAFE_FREE(str);
441                 TALLOC_FREE(frame);
442                 return False;
443         }
444
445         if (tok[0] < '0' || tok[0] > '9') {
446                 if (!parse_ace_flags(tok, &aflags)) {
447                         printf("ACE '%s': bad named flags entry at '%s'\n",
448                                 orig_str, tok);
449                         SAFE_FREE(str);
450                         TALLOC_FREE(frame);
451                         return False;
452                 }
453         } else if (strnequal(tok, "0x", 2)) {
454                 if (!sscanf(tok, "%x", &aflags)) {
455                         printf("ACE '%s': bad hex flags entry at '%s'\n",
456                                 orig_str, tok);
457                         SAFE_FREE(str);
458                         TALLOC_FREE(frame);
459                         return False;
460                 }
461         } else {
462                 if (!sscanf(tok, "%i", &aflags)) {
463                         printf("ACE '%s': bad integer flags entry at '%s'\n",
464                                 orig_str, tok);
465                         SAFE_FREE(str);
466                         TALLOC_FREE(frame);
467                         return False;
468                 }
469         }
470
471         if (!next_token_talloc(frame, &cp, &tok, "/")) {
472                 printf("ACE '%s': missing / at '%s'\n",
473                         orig_str, tok);
474                 SAFE_FREE(str);
475                 TALLOC_FREE(frame);
476                 return False;
477         }
478
479         if (strncmp(tok, "0x", 2) == 0) {
480                 if (sscanf(tok, "%i", &amask) != 1) {
481                         printf("ACE '%s': bad hex number at '%s'\n",
482                                 orig_str, tok);
483                         SAFE_FREE(str);
484                         TALLOC_FREE(frame);
485                         return False;
486                 }
487                 goto done;
488         }
489
490         for (v = standard_values; v->perm; v++) {
491                 if (strcmp(tok, v->perm) == 0) {
492                         amask = v->mask;
493                         goto done;
494                 }
495         }
496
497         p = tok;
498
499         while(*p) {
500                 bool found = False;
501
502                 for (v = special_values; v->perm; v++) {
503                         if (v->perm[0] == *p) {
504                                 amask |= v->mask;
505                                 found = True;
506                         }
507                 }
508
509                 if (!found) {
510                         printf("ACE '%s': bad permission value at '%s'\n",
511                                 orig_str, p);
512                         SAFE_FREE(str);
513                         TALLOC_FREE(frame);
514                         return False;
515                 }
516                 p++;
517         }
518
519         if (*p) {
520                 TALLOC_FREE(frame);
521                 SAFE_FREE(str);
522                 return False;
523         }
524
525  done:
526         mask = amask;
527         init_sec_ace(ace, &sid, atype, mask, aflags);
528         TALLOC_FREE(frame);
529         SAFE_FREE(str);
530         return True;
531 }
532
533 /* add an ACE to a list of ACEs in a struct security_acl */
534 static bool add_ace(struct security_acl **the_acl, struct security_ace *ace)
535 {
536         struct security_acl *new_ace;
537         struct security_ace *aces;
538         if (! *the_acl) {
539                 return (((*the_acl) = make_sec_acl(talloc_tos(), 3, 1, ace))
540                         != NULL);
541         }
542
543         if (!(aces = SMB_CALLOC_ARRAY(struct security_ace, 1+(*the_acl)->num_aces))) {
544                 return False;
545         }
546         memcpy(aces, (*the_acl)->aces, (*the_acl)->num_aces * sizeof(struct
547         security_ace));
548         memcpy(aces+(*the_acl)->num_aces, ace, sizeof(struct security_ace));
549         new_ace = make_sec_acl(talloc_tos(),(*the_acl)->revision,1+(*the_acl)->num_aces, aces);
550         SAFE_FREE(aces);
551         (*the_acl) = new_ace;
552         return True;
553 }
554
555 /* parse a ascii version of a security descriptor */
556 static struct security_descriptor *sec_desc_parse(TALLOC_CTX *ctx, struct cli_state *cli, char *str)
557 {
558         const char *p = str;
559         char *tok;
560         struct security_descriptor *ret = NULL;
561         size_t sd_size;
562         struct dom_sid *grp_sid=NULL, *owner_sid=NULL;
563         struct security_acl *dacl=NULL;
564         int revision=1;
565
566         while (next_token_talloc(ctx, &p, &tok, "\t,\r\n")) {
567                 if (strncmp(tok,"REVISION:", 9) == 0) {
568                         revision = strtol(tok+9, NULL, 16);
569                         continue;
570                 }
571
572                 if (strncmp(tok,"OWNER:", 6) == 0) {
573                         if (owner_sid) {
574                                 printf("Only specify owner once\n");
575                                 goto done;
576                         }
577                         owner_sid = SMB_CALLOC_ARRAY(struct dom_sid, 1);
578                         if (!owner_sid ||
579                             !StringToSid(cli, owner_sid, tok+6)) {
580                                 printf("Failed to parse owner sid\n");
581                                 goto done;
582                         }
583                         continue;
584                 }
585
586                 if (strncmp(tok,"GROUP:", 6) == 0) {
587                         if (grp_sid) {
588                                 printf("Only specify group once\n");
589                                 goto done;
590                         }
591                         grp_sid = SMB_CALLOC_ARRAY(struct dom_sid, 1);
592                         if (!grp_sid ||
593                             !StringToSid(cli, grp_sid, tok+6)) {
594                                 printf("Failed to parse group sid\n");
595                                 goto done;
596                         }
597                         continue;
598                 }
599
600                 if (strncmp(tok,"ACL:", 4) == 0) {
601                         struct security_ace ace;
602                         if (!parse_ace(cli, &ace, tok+4)) {
603                                 goto done;
604                         }
605                         if(!add_ace(&dacl, &ace)) {
606                                 printf("Failed to add ACL %s\n", tok);
607                                 goto done;
608                         }
609                         continue;
610                 }
611
612                 printf("Failed to parse token '%s' in security descriptor,\n", tok);
613                 goto done;
614         }
615
616         ret = make_sec_desc(ctx,revision, SEC_DESC_SELF_RELATIVE, owner_sid, grp_sid,
617                             NULL, dacl, &sd_size);
618
619   done:
620         SAFE_FREE(grp_sid);
621         SAFE_FREE(owner_sid);
622
623         return ret;
624 }
625
626
627 /* print a ascii version of a security descriptor on a FILE handle */
628 static void sec_desc_print(struct cli_state *cli, FILE *f, struct security_descriptor *sd)
629 {
630         fstring sidstr;
631         uint32 i;
632
633         fprintf(f, "REVISION:%d\n", sd->revision);
634         fprintf(f, "CONTROL:0x%x\n", sd->type);
635
636         /* Print owner and group sid */
637
638         if (sd->owner_sid) {
639                 SidToString(cli, sidstr, sd->owner_sid);
640         } else {
641                 fstrcpy(sidstr, "");
642         }
643
644         fprintf(f, "OWNER:%s\n", sidstr);
645
646         if (sd->group_sid) {
647                 SidToString(cli, sidstr, sd->group_sid);
648         } else {
649                 fstrcpy(sidstr, "");
650         }
651
652         fprintf(f, "GROUP:%s\n", sidstr);
653
654         /* Print aces */
655         for (i = 0; sd->dacl && i < sd->dacl->num_aces; i++) {
656                 struct security_ace *ace = &sd->dacl->aces[i];
657                 fprintf(f, "ACL:");
658                 print_ace(cli, f, ace);
659                 fprintf(f, "\n");
660         }
661
662 }
663
664 /*****************************************************
665 get fileinfo for filename
666 *******************************************************/
667 static uint16 get_fileinfo(struct cli_state *cli, const char *filename)
668 {
669         uint16_t fnum = (uint16_t)-1;
670         uint16 mode;
671
672         /* The desired access below is the only one I could find that works
673            with NT4, W2KP and Samba */
674
675         if (!NT_STATUS_IS_OK(cli_ntcreate(cli, filename, 0, CREATE_ACCESS_READ,
676                                           0, FILE_SHARE_READ|FILE_SHARE_WRITE,
677                                           FILE_OPEN, 0x0, 0x0, &fnum))) {
678                 printf("Failed to open %s: %s\n", filename, cli_errstr(cli));
679         }
680
681         if (!cli_qfileinfo(cli, fnum, &mode, NULL, NULL, NULL,
682                                              NULL, NULL, NULL)) {
683                 printf("Failed to file info %s: %s\n", filename,
684                                                        cli_errstr(cli));
685         }
686
687         cli_close(cli, fnum);
688
689         return mode;
690 }
691
692 /*****************************************************
693 get sec desc for filename
694 *******************************************************/
695 static struct security_descriptor *get_secdesc(struct cli_state *cli, const char *filename)
696 {
697         uint16_t fnum = (uint16_t)-1;
698         struct security_descriptor *sd;
699
700         /* The desired access below is the only one I could find that works
701            with NT4, W2KP and Samba */
702
703         if (!NT_STATUS_IS_OK(cli_ntcreate(cli, filename, 0, CREATE_ACCESS_READ,
704                                           0, FILE_SHARE_READ|FILE_SHARE_WRITE,
705                                           FILE_OPEN, 0x0, 0x0, &fnum))) {
706                 printf("Failed to open %s: %s\n", filename, cli_errstr(cli));
707                 return NULL;
708         }
709
710         sd = cli_query_secdesc(cli, fnum, talloc_tos());
711
712         cli_close(cli, fnum);
713
714         if (!sd) {
715                 printf("Failed to get security descriptor\n");
716                 return NULL;
717         }
718         return sd;
719 }
720
721 /*****************************************************
722 set sec desc for filename
723 *******************************************************/
724 static bool set_secdesc(struct cli_state *cli, const char *filename,
725                         struct security_descriptor *sd)
726 {
727         uint16_t fnum = (uint16_t)-1;
728         bool result=true;
729
730         /* The desired access below is the only one I could find that works
731            with NT4, W2KP and Samba */
732
733         if (!NT_STATUS_IS_OK(cli_ntcreate(cli, filename, 0,
734                                           WRITE_DAC_ACCESS|WRITE_OWNER_ACCESS,
735                                           0, FILE_SHARE_READ|FILE_SHARE_WRITE,
736                                           FILE_OPEN, 0x0, 0x0, &fnum))) {
737                 printf("Failed to open %s: %s\n", filename, cli_errstr(cli));
738                 return false;
739         }
740
741         if (!cli_set_secdesc(cli, fnum, sd)) {
742                 printf("ERROR: security description set failed: %s\n",
743                        cli_errstr(cli));
744                 result=false;
745         }
746
747         cli_close(cli, fnum);
748         return result;
749 }
750
751 /*****************************************************
752 dump the acls for a file
753 *******************************************************/
754 static int cacl_dump(struct cli_state *cli, const char *filename)
755 {
756         int result = EXIT_FAILED;
757         struct security_descriptor *sd;
758
759         if (test_args)
760                 return EXIT_OK;
761
762         sd = get_secdesc(cli, filename);
763
764         if (sd) {
765                 if (sddl) {
766                         printf("%s\n", sddl_encode(talloc_tos(), sd,
767                                            get_global_sam_sid()));
768                 } else {
769                         sec_desc_print(cli, stdout, sd);
770                 }
771                 result = EXIT_OK;
772         }
773
774         return result;
775 }
776
777 /***************************************************** 
778 Change the ownership or group ownership of a file. Just
779 because the NT docs say this can't be done :-). JRA.
780 *******************************************************/
781
782 static int owner_set(struct cli_state *cli, enum chown_mode change_mode, 
783                         const char *filename, const char *new_username)
784 {
785         struct dom_sid sid;
786         struct security_descriptor *sd, *old;
787         size_t sd_size;
788
789         if (!StringToSid(cli, &sid, new_username))
790                 return EXIT_PARSE_ERROR;
791
792         old = get_secdesc(cli, filename);
793
794         if (!old) {
795                 return EXIT_FAILED;
796         }
797
798         sd = make_sec_desc(talloc_tos(),old->revision, old->type,
799                                 (change_mode == REQUEST_CHOWN) ? &sid : NULL,
800                                 (change_mode == REQUEST_CHGRP) ? &sid : NULL,
801                            NULL, NULL, &sd_size);
802
803         if (!set_secdesc(cli, filename, sd)) {
804                 return EXIT_FAILED;
805         }
806
807         return EXIT_OK;
808 }
809
810
811 /* The MSDN is contradictory over the ordering of ACE entries in an
812    ACL.  However NT4 gives a "The information may have been modified
813    by a computer running Windows NT 5.0" if denied ACEs do not appear
814    before allowed ACEs. At
815    http://technet.microsoft.com/en-us/library/cc781716.aspx the
816    canonical order is specified as "Explicit Deny, Explicit Allow,
817    Inherited ACEs unchanged" */
818
819 static int ace_compare(struct security_ace *ace1, struct security_ace *ace2)
820 {
821         if (sec_ace_equal(ace1, ace2))
822                 return 0;
823
824         if ((ace1->flags & SEC_ACE_FLAG_INHERITED_ACE) &&
825                         !(ace2->flags & SEC_ACE_FLAG_INHERITED_ACE))
826                 return 1;
827         if (!(ace1->flags & SEC_ACE_FLAG_INHERITED_ACE) &&
828                         (ace2->flags & SEC_ACE_FLAG_INHERITED_ACE))
829                 return -1;
830         if ((ace1->flags & SEC_ACE_FLAG_INHERITED_ACE) &&
831                         (ace2->flags & SEC_ACE_FLAG_INHERITED_ACE))
832                 return ace1 - ace2;
833
834         if (ace1->type != ace2->type)
835                 return ace2->type - ace1->type;
836
837         if (sid_compare(&ace1->trustee, &ace2->trustee))
838                 return sid_compare(&ace1->trustee, &ace2->trustee);
839
840         if (ace1->flags != ace2->flags)
841                 return ace1->flags - ace2->flags;
842
843         if (ace1->access_mask != ace2->access_mask)
844                 return ace1->access_mask - ace2->access_mask;
845
846         if (ace1->size != ace2->size)
847                 return ace1->size - ace2->size;
848
849         return memcmp(ace1, ace2, sizeof(struct security_ace));
850 }
851
852 static void sort_acl(struct security_acl *the_acl)
853 {
854         uint32 i;
855         if (!the_acl) return;
856
857         TYPESAFE_QSORT(the_acl->aces, the_acl->num_aces, ace_compare);
858
859         for (i=1;i<the_acl->num_aces;) {
860                 if (sec_ace_equal(&the_acl->aces[i-1], &the_acl->aces[i])) {
861                         int j;
862                         for (j=i; j<the_acl->num_aces-1; j++) {
863                                 the_acl->aces[j] = the_acl->aces[j+1];
864                         }
865                         the_acl->num_aces--;
866                 } else {
867                         i++;
868                 }
869         }
870 }
871
872 /***************************************************** 
873 set the ACLs on a file given an ascii description
874 *******************************************************/
875
876 static int cacl_set(struct cli_state *cli, const char *filename,
877                     char *the_acl, enum acl_mode mode)
878 {
879         struct security_descriptor *sd, *old;
880         uint32 i, j;
881         size_t sd_size;
882         int result = EXIT_OK;
883
884         if (sddl) {
885                 sd = sddl_decode(talloc_tos(), the_acl, get_global_sam_sid());
886         } else {
887                 sd = sec_desc_parse(talloc_tos(), cli, the_acl);
888         }
889
890         if (!sd) return EXIT_PARSE_ERROR;
891         if (test_args) return EXIT_OK;
892
893         old = get_secdesc(cli, filename);
894
895         if (!old) {
896                 return EXIT_FAILED;
897         }
898
899         /* the logic here is rather more complex than I would like */
900         switch (mode) {
901         case SMB_ACL_DELETE:
902                 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
903                         bool found = False;
904
905                         for (j=0;old->dacl && j<old->dacl->num_aces;j++) {
906                                 if (sec_ace_equal(&sd->dacl->aces[i],
907                                                   &old->dacl->aces[j])) {
908                                         uint32 k;
909                                         for (k=j; k<old->dacl->num_aces-1;k++) {
910                                                 old->dacl->aces[k] = old->dacl->aces[k+1];
911                                         }
912                                         old->dacl->num_aces--;
913                                         found = True;
914                                         break;
915                                 }
916                         }
917
918                         if (!found) {
919                                 printf("ACL for ACE:");
920                                 print_ace(cli, stdout, &sd->dacl->aces[i]);
921                                 printf(" not found\n");
922                         }
923                 }
924                 break;
925
926         case SMB_ACL_MODIFY:
927                 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
928                         bool found = False;
929
930                         for (j=0;old->dacl && j<old->dacl->num_aces;j++) {
931                                 if (sid_equal(&sd->dacl->aces[i].trustee,
932                                               &old->dacl->aces[j].trustee)) {
933                                         old->dacl->aces[j] = sd->dacl->aces[i];
934                                         found = True;
935                                 }
936                         }
937
938                         if (!found) {
939                                 fstring str;
940
941                                 SidToString(cli, str,
942                                             &sd->dacl->aces[i].trustee);
943                                 printf("ACL for SID %s not found\n", str);
944                         }
945                 }
946
947                 if (sd->owner_sid) {
948                         old->owner_sid = sd->owner_sid;
949                 }
950
951                 if (sd->group_sid) {
952                         old->group_sid = sd->group_sid;
953                 }
954
955                 break;
956
957         case SMB_ACL_ADD:
958                 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
959                         add_ace(&old->dacl, &sd->dacl->aces[i]);
960                 }
961                 break;
962
963         case SMB_ACL_SET:
964                 old = sd;
965                 break;
966         }
967
968         /* Denied ACE entries must come before allowed ones */
969         sort_acl(old->dacl);
970
971         /* Create new security descriptor and set it */
972
973         /* We used to just have "WRITE_DAC_ACCESS" without WRITE_OWNER.
974            But if we're sending an owner, even if it's the same as the one
975            that already exists then W2K3 insists we open with WRITE_OWNER access.
976            I need to check that setting a SD with no owner set works against WNT
977            and W2K. JRA.
978         */
979
980         sd = make_sec_desc(talloc_tos(),old->revision, old->type,
981                            old->owner_sid, old->group_sid,
982                            NULL, old->dacl, &sd_size);
983
984         if (!set_secdesc(cli, filename, sd)) {
985                 result = EXIT_FAILED;
986         }
987
988         return result;
989 }
990
991 /*****************************************************
992 set the inherit on a file
993 *******************************************************/
994 static int inherit(struct cli_state *cli, const char *filename,
995                    const char *type)
996 {
997         struct security_descriptor *old,*sd;
998         uint32 oldattr;
999         size_t sd_size;
1000         int result = EXIT_OK;
1001
1002         old = get_secdesc(cli, filename);
1003
1004         if (!old) {
1005                 return EXIT_FAILED;
1006         }
1007
1008         oldattr = get_fileinfo(cli,filename);
1009
1010         if (strcmp(type,"allow")==0) {
1011                 if ((old->type & SEC_DESC_DACL_PROTECTED) ==
1012                     SEC_DESC_DACL_PROTECTED) {
1013                         int i;
1014                         char *parentname,*temp;
1015                         struct security_descriptor *parent;
1016                         temp = talloc_strdup(talloc_tos(), filename);
1017
1018                         old->type=old->type & (~SEC_DESC_DACL_PROTECTED);
1019
1020                         /* look at parent and copy in all its inheritable ACL's. */
1021                         string_replace(temp, '\\', '/');
1022                         if (!parent_dirname(talloc_tos(),temp,&parentname,NULL)) {
1023                                 return EXIT_FAILED;
1024                         }
1025                         string_replace(parentname, '/', '\\');
1026                         parent = get_secdesc(cli,parentname);
1027                         for (i=0;i<parent->dacl->num_aces;i++) {
1028                                 struct security_ace *ace=&parent->dacl->aces[i];
1029                                 /* Add inherited flag to all aces */
1030                                 ace->flags=ace->flags|
1031                                            SEC_ACE_FLAG_INHERITED_ACE;
1032                                 if ((oldattr & aDIR) == aDIR) {
1033                                         if ((ace->flags & SEC_ACE_FLAG_CONTAINER_INHERIT) ==
1034                                             SEC_ACE_FLAG_CONTAINER_INHERIT) {
1035                                                 add_ace(&old->dacl, ace);
1036                                         }
1037                                 } else {
1038                                         if ((ace->flags & SEC_ACE_FLAG_OBJECT_INHERIT) ==
1039                                             SEC_ACE_FLAG_OBJECT_INHERIT) {
1040                                                 /* clear flags for files */
1041                                                 ace->flags=0;
1042                                                 add_ace(&old->dacl, ace);
1043                                         }
1044                                 }
1045                         }
1046                 } else {
1047                         printf("Already set to inheritable permissions.\n");
1048                         return EXIT_FAILED;
1049                 }
1050         } else if (strcmp(type,"remove")==0) {
1051                 if ((old->type & SEC_DESC_DACL_PROTECTED) !=
1052                     SEC_DESC_DACL_PROTECTED) {
1053                         old->type=old->type | SEC_DESC_DACL_PROTECTED;
1054
1055                         /* remove all inherited ACL's. */
1056                         if (old->dacl) {
1057                                 int i;
1058                                 struct security_acl *temp=old->dacl;
1059                                 old->dacl=make_sec_acl(talloc_tos(), 3, 0, NULL);
1060                                 for (i=temp->num_aces-1;i>=0;i--) {
1061                                         struct security_ace *ace=&temp->aces[i];
1062                                         /* Remove all ace with INHERITED flag set */
1063                                         if ((ace->flags & SEC_ACE_FLAG_INHERITED_ACE) !=
1064                                             SEC_ACE_FLAG_INHERITED_ACE) {
1065                                                 add_ace(&old->dacl,ace);
1066                                         }
1067                                 }
1068                         }
1069                 } else {
1070                         printf("Already set to no inheritable permissions.\n");
1071                         return EXIT_FAILED;
1072                 }
1073         } else if (strcmp(type,"copy")==0) {
1074                 if ((old->type & SEC_DESC_DACL_PROTECTED) !=
1075                     SEC_DESC_DACL_PROTECTED) {
1076                         old->type=old->type | SEC_DESC_DACL_PROTECTED;
1077
1078                         /* convert all inherited ACL's to non inherated ACL's. */
1079                         if (old->dacl) {
1080                                 int i;
1081                                 for (i=0;i<old->dacl->num_aces;i++) {
1082                                         struct security_ace *ace=&old->dacl->aces[i];
1083                                         /* Remove INHERITED FLAG from all aces */
1084                                         ace->flags=ace->flags&(~SEC_ACE_FLAG_INHERITED_ACE);
1085                                 }
1086                         }
1087                 } else {
1088                         printf("Already set to no inheritable permissions.\n");
1089                         return EXIT_FAILED;
1090                 }
1091         }
1092
1093         /* Denied ACE entries must come before allowed ones */
1094         sort_acl(old->dacl);
1095
1096         sd = make_sec_desc(talloc_tos(),old->revision, old->type,
1097                            old->owner_sid, old->group_sid,
1098                            NULL, old->dacl, &sd_size);
1099
1100         if (!set_secdesc(cli, filename, sd)) {
1101                 result = EXIT_FAILED;
1102         }
1103
1104         return result;
1105 }
1106
1107 /*****************************************************
1108  Return a connection to a server.
1109 *******************************************************/
1110 static struct cli_state *connect_one(struct user_auth_info *auth_info,
1111                                      const char *server, const char *share)
1112 {
1113         struct cli_state *c = NULL;
1114         struct sockaddr_storage ss;
1115         NTSTATUS nt_status;
1116         uint32_t flags = 0;
1117
1118         zero_sockaddr(&ss);
1119
1120         if (get_cmdline_auth_info_use_kerberos(auth_info)) {
1121                 flags |= CLI_FULL_CONNECTION_USE_KERBEROS |
1122                          CLI_FULL_CONNECTION_FALLBACK_AFTER_KERBEROS;
1123         }
1124
1125         if (get_cmdline_auth_info_use_machine_account(auth_info) &&
1126             !set_cmdline_auth_info_machine_account_creds(auth_info)) {
1127                 return NULL;
1128         }
1129
1130         set_cmdline_auth_info_getpass(auth_info);
1131
1132         nt_status = cli_full_connection(&c, global_myname(), server, 
1133                                 &ss, 0,
1134                                 share, "?????",
1135                                 get_cmdline_auth_info_username(auth_info),
1136                                 lp_workgroup(),
1137                                 get_cmdline_auth_info_password(auth_info),
1138                                 flags,
1139                                 get_cmdline_auth_info_signing_state(auth_info),
1140                                 NULL);
1141         if (!NT_STATUS_IS_OK(nt_status)) {
1142                 DEBUG(0,("cli_full_connection failed! (%s)\n", nt_errstr(nt_status)));
1143                 return NULL;
1144         }
1145
1146         if (get_cmdline_auth_info_smb_encrypt(auth_info)) {
1147                 nt_status = cli_cm_force_encryption(c,
1148                                         get_cmdline_auth_info_username(auth_info),
1149                                         get_cmdline_auth_info_password(auth_info),
1150                                         lp_workgroup(),
1151                                         share);
1152                 if (!NT_STATUS_IS_OK(nt_status)) {
1153                         cli_shutdown(c);
1154                         c = NULL;
1155                 }
1156         }
1157
1158         return c;
1159 }
1160
1161 /****************************************************************************
1162   main program
1163 ****************************************************************************/
1164  int main(int argc, const char *argv[])
1165 {
1166         char *share;
1167         int opt;
1168         enum acl_mode mode = SMB_ACL_SET;
1169         static char *the_acl = NULL;
1170         enum chown_mode change_mode = REQUEST_NONE;
1171         int result;
1172         char *path;
1173         char *filename = NULL;
1174         poptContext pc;
1175         struct poptOption long_options[] = {
1176                 POPT_AUTOHELP
1177                 { "delete", 'D', POPT_ARG_STRING, NULL, 'D', "Delete an acl", "ACL" },
1178                 { "modify", 'M', POPT_ARG_STRING, NULL, 'M', "Modify an acl", "ACL" },
1179                 { "add", 'a', POPT_ARG_STRING, NULL, 'a', "Add an acl", "ACL" },
1180                 { "set", 'S', POPT_ARG_STRING, NULL, 'S', "Set acls", "ACLS" },
1181                 { "chown", 'C', POPT_ARG_STRING, NULL, 'C', "Change ownership of a file", "USERNAME" },
1182                 { "chgrp", 'G', POPT_ARG_STRING, NULL, 'G', "Change group ownership of a file", "GROUPNAME" },
1183                 { "inherit", 'I', POPT_ARG_STRING, NULL, 'I', "Inherit allow|remove|copy" },
1184                 { "numeric", 0, POPT_ARG_NONE, &numeric, 1, "Don't resolve sids or masks to names" },
1185                 { "sddl", 0, POPT_ARG_NONE, &sddl, 1, "Output and input acls in sddl format" },
1186                 { "test-args", 't', POPT_ARG_NONE, &test_args, 1, "Test arguments"},
1187                 POPT_COMMON_SAMBA
1188                 POPT_COMMON_CONNECTION
1189                 POPT_COMMON_CREDENTIALS
1190                 POPT_TABLEEND
1191         };
1192
1193         struct cli_state *cli;
1194         TALLOC_CTX *frame = talloc_stackframe();
1195         const char *owner_username = "";
1196         char *server;
1197         struct user_auth_info *auth_info;
1198
1199         load_case_tables();
1200
1201
1202         /* set default debug level to 1 regardless of what smb.conf sets */
1203         setup_logging( "smbcacls", True );
1204         DEBUGLEVEL_CLASS[DBGC_ALL] = 1;
1205         dbf = x_stderr;
1206         x_setbuf( x_stderr, NULL );
1207         AllowDebugChange = false;
1208
1209         setlinebuf(stdout);
1210
1211         lp_load(get_dyn_CONFIGFILE(),True,False,False,True);
1212         load_interfaces();
1213
1214         auth_info = user_auth_info_init(frame);
1215         if (auth_info == NULL) {
1216                 exit(1);
1217         }
1218         popt_common_set_auth_info(auth_info);
1219
1220         pc = poptGetContext("smbcacls", argc, argv, long_options, 0);
1221
1222         poptSetOtherOptionHelp(pc, "//server1/share1 filename\nACLs look like: "
1223                 "'ACL:user:[ALLOWED|DENIED]/flags/permissions'");
1224
1225         while ((opt = poptGetNextOpt(pc)) != -1) {
1226                 switch (opt) {
1227                 case 'S':
1228                         the_acl = smb_xstrdup(poptGetOptArg(pc));
1229                         mode = SMB_ACL_SET;
1230                         break;
1231
1232                 case 'D':
1233                         the_acl = smb_xstrdup(poptGetOptArg(pc));
1234                         mode = SMB_ACL_DELETE;
1235                         break;
1236
1237                 case 'M':
1238                         the_acl = smb_xstrdup(poptGetOptArg(pc));
1239                         mode = SMB_ACL_MODIFY;
1240                         break;
1241
1242                 case 'a':
1243                         the_acl = smb_xstrdup(poptGetOptArg(pc));
1244                         mode = SMB_ACL_ADD;
1245                         break;
1246
1247                 case 'C':
1248                         owner_username = poptGetOptArg(pc);
1249                         change_mode = REQUEST_CHOWN;
1250                         break;
1251
1252                 case 'G':
1253                         owner_username = poptGetOptArg(pc);
1254                         change_mode = REQUEST_CHGRP;
1255                         break;
1256
1257                 case 'I':
1258                         owner_username = poptGetOptArg(pc);
1259                         change_mode = REQUEST_INHERIT;
1260                         break;
1261                 }
1262         }
1263
1264         /* Make connection to server */
1265         if(!poptPeekArg(pc)) {
1266                 poptPrintUsage(pc, stderr, 0);
1267                 return -1;
1268         }
1269
1270         path = talloc_strdup(frame, poptGetArg(pc));
1271         if (!path) {
1272                 return -1;
1273         }
1274
1275         if(!poptPeekArg(pc)) {
1276                 poptPrintUsage(pc, stderr, 0);
1277                 return -1;
1278         }
1279
1280         filename = talloc_strdup(frame, poptGetArg(pc));
1281         if (!filename) {
1282                 return -1;
1283         }
1284
1285         string_replace(path,'/','\\');
1286
1287         server = talloc_strdup(frame, path+2);
1288         if (!server) {
1289                 return -1;
1290         }
1291         share = strchr_m(server,'\\');
1292         if (!share) {
1293                 printf("Invalid argument: %s\n", share);
1294                 return -1;
1295         }
1296
1297         *share = 0;
1298         share++;
1299
1300         if (!test_args) {
1301                 cli = connect_one(auth_info, server, share);
1302                 if (!cli) {
1303                         exit(EXIT_FAILED);
1304                 }
1305         } else {
1306                 exit(0);
1307         }
1308
1309         string_replace(filename, '/', '\\');
1310         if (filename[0] != '\\') {
1311                 filename = talloc_asprintf(frame,
1312                                 "\\%s",
1313                                 filename);
1314                 if (!filename) {
1315                         return -1;
1316                 }
1317         }
1318
1319         /* Perform requested action */
1320
1321         if (change_mode == REQUEST_INHERIT) {
1322                 result = inherit(cli, filename, owner_username);
1323         } else if (change_mode != REQUEST_NONE) {
1324                 result = owner_set(cli, change_mode, filename, owner_username);
1325         } else if (the_acl) {
1326                 result = cacl_set(cli, filename, the_acl, mode);
1327         } else {
1328                 result = cacl_dump(cli, filename);
1329         }
1330
1331         TALLOC_FREE(frame);
1332
1333         return result;
1334 }