source: branches/samba-3.2.x/source/utils/smbcacls.c@ 222

Last change on this file since 222 was 141, checked in by Paul Smedley, 17 years ago

Update trunk to 3.2.1
File size: 23.9 KB
Line 
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
26static int test_args = False;
27
28#define CREATE_ACCESS_READ READ_CONTROL_ACCESS
29
30/* numeric is set when the user wants numeric SIDs and ACEs rather
31 than going via LSA calls to resolve them */
32static int numeric = False;
33
34enum acl_mode {SMB_ACL_SET, SMB_ACL_DELETE, SMB_ACL_MODIFY, SMB_ACL_ADD };
35enum chown_mode {REQUEST_NONE, REQUEST_CHOWN, REQUEST_CHGRP};
36enum exit_values {EXIT_OK, EXIT_FAILED, EXIT_PARSE_ERROR};
37
38struct perm_value {
39 const char *perm;
40 uint32 mask;
41};
42
43/* These values discovered by inspection */
44
45static const struct perm_value special_values[] = {
46 { "R", 0x00120089 },
47 { "W", 0x00120116 },
48 { "X", 0x001200a0 },
49 { "D", 0x00010000 },
50 { "P", 0x00040000 },
51 { "O", 0x00080000 },
52 { NULL, 0 },
53};
54
55static const struct perm_value standard_values[] = {
56 { "READ", 0x001200a9 },
57 { "CHANGE", 0x001301bf },
58 { "FULL", 0x001f01ff },
59 { NULL, 0 },
60};
61
62/* Open cli connection and policy handle */
63
64static NTSTATUS cli_lsa_lookup_sid(struct cli_state *cli,
65 const DOM_SID *sid,
66 TALLOC_CTX *mem_ctx,
67 enum lsa_SidType *type,
68 char **domain, char **name)
69{
70 uint16 orig_cnum = cli->cnum;
71 struct rpc_pipe_client *p;
72 struct policy_handle handle;
73 NTSTATUS status;
74 TALLOC_CTX *frame = talloc_stackframe();
75 enum lsa_SidType *types;
76 char **domains;
77 char **names;
78
79 if (!cli_send_tconX(cli, "IPC$", "?????", "", 0)) {
80 return cli_nt_error(cli);
81 }
82
83 p = cli_rpc_pipe_open_noauth(cli, PI_LSARPC, &status);
84 if (p == NULL) {
85 goto fail;
86 }
87
88 status = rpccli_lsa_open_policy(p, talloc_tos(), True,
89 GENERIC_EXECUTE_ACCESS, &handle);
90 if (!NT_STATUS_IS_OK(status)) {
91 goto fail;
92 }
93
94 status = rpccli_lsa_lookup_sids(p, talloc_tos(), &handle, 1, sid,
95 &domains, &names, &types);
96 if (!NT_STATUS_IS_OK(status)) {
97 goto fail;
98 }
99
100 *type = types[0];
101 *domain = talloc_move(mem_ctx, &domains[0]);
102 *name = talloc_move(mem_ctx, &names[0]);
103
104 status = NT_STATUS_OK;
105 fail:
106 if (p != NULL) {
107 cli_rpc_pipe_close(p);
108 }
109 cli_tdis(cli);
110 cli->cnum = orig_cnum;
111 TALLOC_FREE(frame);
112 return status;
113}
114
115static NTSTATUS cli_lsa_lookup_name(struct cli_state *cli,
116 const char *name,
117 enum lsa_SidType *type,
118 DOM_SID *sid)
119{
120 uint16 orig_cnum = cli->cnum;
121 struct rpc_pipe_client *p;
122 struct policy_handle handle;
123 NTSTATUS status;
124 TALLOC_CTX *frame = talloc_stackframe();
125 DOM_SID *sids;
126 enum lsa_SidType *types;
127
128 if (!cli_send_tconX(cli, "IPC$", "?????", "", 0)) {
129 return cli_nt_error(cli);
130 }
131
132 p = cli_rpc_pipe_open_noauth(cli, PI_LSARPC, &status);
133 if (p == NULL) {
134 goto fail;
135 }
136
137 status = rpccli_lsa_open_policy(p, talloc_tos(), True,
138 GENERIC_EXECUTE_ACCESS, &handle);
139 if (!NT_STATUS_IS_OK(status)) {
140 goto fail;
141 }
142
143 status = rpccli_lsa_lookup_names(p, talloc_tos(), &handle, 1, &name,
144 NULL, 1, &sids, &types);
145 if (!NT_STATUS_IS_OK(status)) {
146 goto fail;
147 }
148
149 *type = types[0];
150 *sid = sids[0];
151
152 status = NT_STATUS_OK;
153 fail:
154 if (p != NULL) {
155 cli_rpc_pipe_close(p);
156 }
157 cli_tdis(cli);
158 cli->cnum = orig_cnum;
159 TALLOC_FREE(frame);
160 return status;
161}
162
163/* convert a SID to a string, either numeric or username/group */
164static void SidToString(struct cli_state *cli, fstring str, const DOM_SID *sid)
165{
166 char *domain = NULL;
167 char *name = NULL;
168 enum lsa_SidType type;
169 NTSTATUS status;
170
171 sid_to_fstring(str, sid);
172
173 if (numeric) {
174 return;
175 }
176
177 status = cli_lsa_lookup_sid(cli, sid, talloc_tos(), &type,
178 &domain, &name);
179
180 if (!NT_STATUS_IS_OK(status)) {
181 return;
182 }
183
184 slprintf(str, sizeof(fstring) - 1, "%s%s%s",
185 domain, lp_winbind_separator(), name);
186
187}
188
189/* convert a string to a SID, either numeric or username/group */
190static bool StringToSid(struct cli_state *cli, DOM_SID *sid, const char *str)
191{
192 enum lsa_SidType type;
193
194 if (strncmp(str, "S-", 2) == 0) {
195 return string_to_sid(sid, str);
196 }
197
198 return NT_STATUS_IS_OK(cli_lsa_lookup_name(cli, str, &type, sid));
199}
200
201
202/* print an ACE on a FILE, using either numeric or ascii representation */
203static void print_ace(struct cli_state *cli, FILE *f, SEC_ACE *ace)
204{
205 const struct perm_value *v;
206 fstring sidstr;
207 int do_print = 0;
208 uint32 got_mask;
209
210 SidToString(cli, sidstr, &ace->trustee);
211
212 fprintf(f, "%s:", sidstr);
213
214 if (numeric) {
215 fprintf(f, "%d/%d/0x%08x",
216 ace->type, ace->flags, ace->access_mask);
217 return;
218 }
219
220 /* Ace type */
221
222 if (ace->type == SEC_ACE_TYPE_ACCESS_ALLOWED) {
223 fprintf(f, "ALLOWED");
224 } else if (ace->type == SEC_ACE_TYPE_ACCESS_DENIED) {
225 fprintf(f, "DENIED");
226 } else {
227 fprintf(f, "%d", ace->type);
228 }
229
230 /* Not sure what flags can be set in a file ACL */
231
232 fprintf(f, "/%d/", ace->flags);
233
234 /* Standard permissions */
235
236 for (v = standard_values; v->perm; v++) {
237 if (ace->access_mask == v->mask) {
238 fprintf(f, "%s", v->perm);
239 return;
240 }
241 }
242
243 /* Special permissions. Print out a hex value if we have
244 leftover bits in the mask. */
245
246 got_mask = ace->access_mask;
247
248 again:
249 for (v = special_values; v->perm; v++) {
250 if ((ace->access_mask & v->mask) == v->mask) {
251 if (do_print) {
252 fprintf(f, "%s", v->perm);
253 }
254 got_mask &= ~v->mask;
255 }
256 }
257
258 if (!do_print) {
259 if (got_mask != 0) {
260 fprintf(f, "0x%08x", ace->access_mask);
261 } else {
262 do_print = 1;
263 goto again;
264 }
265 }
266}
267
268
269/* parse an ACE in the same format as print_ace() */
270static bool parse_ace(struct cli_state *cli, SEC_ACE *ace,
271 const char *orig_str)
272{
273 char *p;
274 const char *cp;
275 char *tok;
276 unsigned int atype = 0;
277 unsigned int aflags = 0;
278 unsigned int amask = 0;
279 DOM_SID sid;
280 SEC_ACCESS mask;
281 const struct perm_value *v;
282 char *str = SMB_STRDUP(orig_str);
283 TALLOC_CTX *frame = talloc_stackframe();
284
285 if (!str) {
286 TALLOC_FREE(frame);
287 return False;
288 }
289
290 ZERO_STRUCTP(ace);
291 p = strchr_m(str,':');
292 if (!p) {
293 printf("ACE '%s': missing ':'.\n", orig_str);
294 SAFE_FREE(str);
295 TALLOC_FREE(frame);
296 return False;
297 }
298 *p = '\0';
299 p++;
300 /* Try to parse numeric form */
301
302 if (sscanf(p, "%i/%i/%i", &atype, &aflags, &amask) == 3 &&
303 StringToSid(cli, &sid, str)) {
304 goto done;
305 }
306
307 /* Try to parse text form */
308
309 if (!StringToSid(cli, &sid, str)) {
310 printf("ACE '%s': failed to convert '%s' to SID\n",
311 orig_str, str);
312 SAFE_FREE(str);
313 TALLOC_FREE(frame);
314 return False;
315 }
316
317 cp = p;
318 if (!next_token_talloc(frame, &cp, &tok, "/")) {
319 printf("ACE '%s': failed to find '/' character.\n",
320 orig_str);
321 SAFE_FREE(str);
322 TALLOC_FREE(frame);
323 return False;
324 }
325
326 if (strncmp(tok, "ALLOWED", strlen("ALLOWED")) == 0) {
327 atype = SEC_ACE_TYPE_ACCESS_ALLOWED;
328 } else if (strncmp(tok, "DENIED", strlen("DENIED")) == 0) {
329 atype = SEC_ACE_TYPE_ACCESS_DENIED;
330 } else {
331 printf("ACE '%s': missing 'ALLOWED' or 'DENIED' entry at '%s'\n",
332 orig_str, tok);
333 SAFE_FREE(str);
334 TALLOC_FREE(frame);
335 return False;
336 }
337
338 /* Only numeric form accepted for flags at present */
339
340 if (!(next_token_talloc(frame, &cp, &tok, "/") &&
341 sscanf(tok, "%i", &aflags))) {
342 printf("ACE '%s': bad integer flags entry at '%s'\n",
343 orig_str, tok);
344 SAFE_FREE(str);
345 TALLOC_FREE(frame);
346 return False;
347 }
348
349 if (!next_token_talloc(frame, &cp, &tok, "/")) {
350 printf("ACE '%s': missing / at '%s'\n",
351 orig_str, tok);
352 SAFE_FREE(str);
353 TALLOC_FREE(frame);
354 return False;
355 }
356
357 if (strncmp(tok, "0x", 2) == 0) {
358 if (sscanf(tok, "%i", &amask) != 1) {
359 printf("ACE '%s': bad hex number at '%s'\n",
360 orig_str, tok);
361 SAFE_FREE(str);
362 TALLOC_FREE(frame);
363 return False;
364 }
365 goto done;
366 }
367
368 for (v = standard_values; v->perm; v++) {
369 if (strcmp(tok, v->perm) == 0) {
370 amask = v->mask;
371 goto done;
372 }
373 }
374
375 p = tok;
376
377 while(*p) {
378 bool found = False;
379
380 for (v = special_values; v->perm; v++) {
381 if (v->perm[0] == *p) {
382 amask |= v->mask;
383 found = True;
384 }
385 }
386
387 if (!found) {
388 printf("ACE '%s': bad permission value at '%s'\n",
389 orig_str, p);
390 SAFE_FREE(str);
391 TALLOC_FREE(frame);
392 return False;
393 }
394 p++;
395 }
396
397 if (*p) {
398 TALLOC_FREE(frame);
399 SAFE_FREE(str);
400 return False;
401 }
402
403 done:
404 mask = amask;
405 init_sec_ace(ace, &sid, atype, mask, aflags);
406 TALLOC_FREE(frame);
407 SAFE_FREE(str);
408 return True;
409}
410
411/* add an ACE to a list of ACEs in a SEC_ACL */
412static bool add_ace(SEC_ACL **the_acl, SEC_ACE *ace)
413{
414 SEC_ACL *new_ace;
415 SEC_ACE *aces;
416 if (! *the_acl) {
417 return (((*the_acl) = make_sec_acl(talloc_tos(), 3, 1, ace))
418 != NULL);
419 }
420
421 if (!(aces = SMB_CALLOC_ARRAY(SEC_ACE, 1+(*the_acl)->num_aces))) {
422 return False;
423 }
424 memcpy(aces, (*the_acl)->aces, (*the_acl)->num_aces * sizeof(SEC_ACE));
425 memcpy(aces+(*the_acl)->num_aces, ace, sizeof(SEC_ACE));
426 new_ace = make_sec_acl(talloc_tos(),(*the_acl)->revision,1+(*the_acl)->num_aces, aces);
427 SAFE_FREE(aces);
428 (*the_acl) = new_ace;
429 return True;
430}
431
432/* parse a ascii version of a security descriptor */
433static SEC_DESC *sec_desc_parse(TALLOC_CTX *ctx, struct cli_state *cli, char *str)
434{
435 const char *p = str;
436 char *tok;
437 SEC_DESC *ret = NULL;
438 size_t sd_size;
439 DOM_SID *grp_sid=NULL, *owner_sid=NULL;
440 SEC_ACL *dacl=NULL;
441 int revision=1;
442
443 while (next_token_talloc(ctx, &p, &tok, "\t,\r\n")) {
444 if (strncmp(tok,"REVISION:", 9) == 0) {
445 revision = strtol(tok+9, NULL, 16);
446 continue;
447 }
448
449 if (strncmp(tok,"OWNER:", 6) == 0) {
450 if (owner_sid) {
451 printf("Only specify owner once\n");
452 goto done;
453 }
454 owner_sid = SMB_CALLOC_ARRAY(DOM_SID, 1);
455 if (!owner_sid ||
456 !StringToSid(cli, owner_sid, tok+6)) {
457 printf("Failed to parse owner sid\n");
458 goto done;
459 }
460 continue;
461 }
462
463 if (strncmp(tok,"GROUP:", 6) == 0) {
464 if (grp_sid) {
465 printf("Only specify group once\n");
466 goto done;
467 }
468 grp_sid = SMB_CALLOC_ARRAY(DOM_SID, 1);
469 if (!grp_sid ||
470 !StringToSid(cli, grp_sid, tok+6)) {
471 printf("Failed to parse group sid\n");
472 goto done;
473 }
474 continue;
475 }
476
477 if (strncmp(tok,"ACL:", 4) == 0) {
478 SEC_ACE ace;
479 if (!parse_ace(cli, &ace, tok+4)) {
480 goto done;
481 }
482 if(!add_ace(&dacl, &ace)) {
483 printf("Failed to add ACL %s\n", tok);
484 goto done;
485 }
486 continue;
487 }
488
489 printf("Failed to parse token '%s' in security descriptor,\n", tok);
490 goto done;
491 }
492
493 ret = make_sec_desc(ctx,revision, SEC_DESC_SELF_RELATIVE, owner_sid, grp_sid,
494 NULL, dacl, &sd_size);
495
496 done:
497 SAFE_FREE(grp_sid);
498 SAFE_FREE(owner_sid);
499
500 return ret;
501}
502
503
504/* print a ascii version of a security descriptor on a FILE handle */
505static void sec_desc_print(struct cli_state *cli, FILE *f, SEC_DESC *sd)
506{
507 fstring sidstr;
508 uint32 i;
509
510 fprintf(f, "REVISION:%d\n", sd->revision);
511
512 /* Print owner and group sid */
513
514 if (sd->owner_sid) {
515 SidToString(cli, sidstr, sd->owner_sid);
516 } else {
517 fstrcpy(sidstr, "");
518 }
519
520 fprintf(f, "OWNER:%s\n", sidstr);
521
522 if (sd->group_sid) {
523 SidToString(cli, sidstr, sd->group_sid);
524 } else {
525 fstrcpy(sidstr, "");
526 }
527
528 fprintf(f, "GROUP:%s\n", sidstr);
529
530 /* Print aces */
531 for (i = 0; sd->dacl && i < sd->dacl->num_aces; i++) {
532 SEC_ACE *ace = &sd->dacl->aces[i];
533 fprintf(f, "ACL:");
534 print_ace(cli, f, ace);
535 fprintf(f, "\n");
536 }
537
538}
539
540/*****************************************************
541dump the acls for a file
542*******************************************************/
543static int cacl_dump(struct cli_state *cli, char *filename)
544{
545 int result = EXIT_FAILED;
546 int fnum = -1;
547 SEC_DESC *sd;
548
549 if (test_args)
550 return EXIT_OK;
551
552 fnum = cli_nt_create(cli, filename, CREATE_ACCESS_READ);
553
554 if (fnum == -1) {
555 printf("Failed to open %s: %s\n", filename, cli_errstr(cli));
556 goto done;
557 }
558
559 sd = cli_query_secdesc(cli, fnum, talloc_tos());
560
561 if (!sd) {
562 printf("ERROR: secdesc query failed: %s\n", cli_errstr(cli));
563 goto done;
564 }
565
566 sec_desc_print(cli, stdout, sd);
567
568 result = EXIT_OK;
569
570done:
571 if (fnum != -1)
572 cli_close(cli, fnum);
573
574 return result;
575}
576
577/*****************************************************
578Change the ownership or group ownership of a file. Just
579because the NT docs say this can't be done :-). JRA.
580*******************************************************/
581
582static int owner_set(struct cli_state *cli, enum chown_mode change_mode,
583 const char *filename, const char *new_username)
584{
585 int fnum;
586 DOM_SID sid;
587 SEC_DESC *sd, *old;
588 size_t sd_size;
589
590 fnum = cli_nt_create(cli, filename, CREATE_ACCESS_READ);
591
592 if (fnum == -1) {
593 printf("Failed to open %s: %s\n", filename, cli_errstr(cli));
594 return EXIT_FAILED;
595 }
596
597 if (!StringToSid(cli, &sid, new_username))
598 return EXIT_PARSE_ERROR;
599
600 old = cli_query_secdesc(cli, fnum, talloc_tos());
601
602 cli_close(cli, fnum);
603
604 if (!old) {
605 printf("owner_set: Failed to query old descriptor\n");
606 return EXIT_FAILED;
607 }
608
609 sd = make_sec_desc(talloc_tos(),old->revision, old->type,
610 (change_mode == REQUEST_CHOWN) ? &sid : NULL,
611 (change_mode == REQUEST_CHGRP) ? &sid : NULL,
612 NULL, NULL, &sd_size);
613
614 fnum = cli_nt_create(cli, filename, WRITE_OWNER_ACCESS);
615
616 if (fnum == -1) {
617 printf("Failed to open %s: %s\n", filename, cli_errstr(cli));
618 return EXIT_FAILED;
619 }
620
621 if (!cli_set_secdesc(cli, fnum, sd)) {
622 printf("ERROR: secdesc set failed: %s\n", cli_errstr(cli));
623 }
624
625 cli_close(cli, fnum);
626
627 return EXIT_OK;
628}
629
630
631/* The MSDN is contradictory over the ordering of ACE entries in an ACL.
632 However NT4 gives a "The information may have been modified by a
633 computer running Windows NT 5.0" if denied ACEs do not appear before
634 allowed ACEs. */
635
636static int ace_compare(SEC_ACE *ace1, SEC_ACE *ace2)
637{
638 if (sec_ace_equal(ace1, ace2))
639 return 0;
640
641 if (ace1->type != ace2->type)
642 return ace2->type - ace1->type;
643
644 if (sid_compare(&ace1->trustee, &ace2->trustee))
645 return sid_compare(&ace1->trustee, &ace2->trustee);
646
647 if (ace1->flags != ace2->flags)
648 return ace1->flags - ace2->flags;
649
650 if (ace1->access_mask != ace2->access_mask)
651 return ace1->access_mask - ace2->access_mask;
652
653 if (ace1->size != ace2->size)
654 return ace1->size - ace2->size;
655
656 return memcmp(ace1, ace2, sizeof(SEC_ACE));
657}
658
659static void sort_acl(SEC_ACL *the_acl)
660{
661 uint32 i;
662 if (!the_acl) return;
663
664 qsort(the_acl->aces, the_acl->num_aces, sizeof(the_acl->aces[0]), QSORT_CAST ace_compare);
665
666 for (i=1;i<the_acl->num_aces;) {
667 if (sec_ace_equal(&the_acl->aces[i-1], &the_acl->aces[i])) {
668 int j;
669 for (j=i; j<the_acl->num_aces-1; j++) {
670 the_acl->aces[j] = the_acl->aces[j+1];
671 }
672 the_acl->num_aces--;
673 } else {
674 i++;
675 }
676 }
677}
678
679/*****************************************************
680set the ACLs on a file given an ascii description
681*******************************************************/
682static int cacl_set(struct cli_state *cli, char *filename,
683 char *the_acl, enum acl_mode mode)
684{
685 int fnum;
686 SEC_DESC *sd, *old;
687 uint32 i, j;
688 size_t sd_size;
689 int result = EXIT_OK;
690
691 sd = sec_desc_parse(talloc_tos(), cli, the_acl);
692
693 if (!sd) return EXIT_PARSE_ERROR;
694 if (test_args) return EXIT_OK;
695
696 /* The desired access below is the only one I could find that works
697 with NT4, W2KP and Samba */
698
699 fnum = cli_nt_create(cli, filename, CREATE_ACCESS_READ);
700
701 if (fnum == -1) {
702 printf("cacl_set failed to open %s: %s\n", filename, cli_errstr(cli));
703 return EXIT_FAILED;
704 }
705
706 old = cli_query_secdesc(cli, fnum, talloc_tos());
707
708 if (!old) {
709 printf("calc_set: Failed to query old descriptor\n");
710 return EXIT_FAILED;
711 }
712
713 cli_close(cli, fnum);
714
715 /* the logic here is rather more complex than I would like */
716 switch (mode) {
717 case SMB_ACL_DELETE:
718 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
719 bool found = False;
720
721 for (j=0;old->dacl && j<old->dacl->num_aces;j++) {
722 if (sec_ace_equal(&sd->dacl->aces[i],
723 &old->dacl->aces[j])) {
724 uint32 k;
725 for (k=j; k<old->dacl->num_aces-1;k++) {
726 old->dacl->aces[k] = old->dacl->aces[k+1];
727 }
728 old->dacl->num_aces--;
729 found = True;
730 break;
731 }
732 }
733
734 if (!found) {
735 printf("ACL for ACE:");
736 print_ace(cli, stdout, &sd->dacl->aces[i]);
737 printf(" not found\n");
738 }
739 }
740 break;
741
742 case SMB_ACL_MODIFY:
743 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
744 bool found = False;
745
746 for (j=0;old->dacl && j<old->dacl->num_aces;j++) {
747 if (sid_equal(&sd->dacl->aces[i].trustee,
748 &old->dacl->aces[j].trustee)) {
749 old->dacl->aces[j] = sd->dacl->aces[i];
750 found = True;
751 }
752 }
753
754 if (!found) {
755 fstring str;
756
757 SidToString(cli, str,
758 &sd->dacl->aces[i].trustee);
759 printf("ACL for SID %s not found\n", str);
760 }
761 }
762
763 if (sd->owner_sid) {
764 old->owner_sid = sd->owner_sid;
765 }
766
767 if (sd->group_sid) {
768 old->group_sid = sd->group_sid;
769 }
770
771 break;
772
773 case SMB_ACL_ADD:
774 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
775 add_ace(&old->dacl, &sd->dacl->aces[i]);
776 }
777 break;
778
779 case SMB_ACL_SET:
780 old = sd;
781 break;
782 }
783
784 /* Denied ACE entries must come before allowed ones */
785 sort_acl(old->dacl);
786
787 /* Create new security descriptor and set it */
788
789 /* We used to just have "WRITE_DAC_ACCESS" without WRITE_OWNER.
790 But if we're sending an owner, even if it's the same as the one
791 that already exists then W2K3 insists we open with WRITE_OWNER access.
792 I need to check that setting a SD with no owner set works against WNT
793 and W2K. JRA.
794 */
795
796 sd = make_sec_desc(talloc_tos(),old->revision, old->type,
797 old->owner_sid, old->group_sid,
798 NULL, old->dacl, &sd_size);
799
800 fnum = cli_nt_create(cli, filename, WRITE_DAC_ACCESS|WRITE_OWNER_ACCESS);
801
802 if (fnum == -1) {
803 printf("cacl_set failed to open %s: %s\n", filename, cli_errstr(cli));
804 return EXIT_FAILED;
805 }
806
807 if (!cli_set_secdesc(cli, fnum, sd)) {
808 printf("ERROR: secdesc set failed: %s\n", cli_errstr(cli));
809 result = EXIT_FAILED;
810 }
811
812 /* Clean up */
813
814 cli_close(cli, fnum);
815
816 return result;
817}
818
819
820/*****************************************************
821 Return a connection to a server.
822*******************************************************/
823static struct cli_state *connect_one(const char *server, const char *share)
824{
825 struct cli_state *c = NULL;
826 struct sockaddr_storage ss;
827 NTSTATUS nt_status;
828 uint32_t flags = 0;
829
830 zero_addr(&ss);
831
832 if (get_cmdline_auth_info_use_kerberos()) {
833 flags |= CLI_FULL_CONNECTION_USE_KERBEROS |
834 CLI_FULL_CONNECTION_FALLBACK_AFTER_KERBEROS;
835 }
836
837 if (get_cmdline_auth_info_use_machine_account() &&
838 !set_cmdline_auth_info_machine_account_creds()) {
839 return NULL;
840 }
841
842 if (!get_cmdline_auth_info_got_pass()) {
843 char *pass = getpass("Password: ");
844 if (pass) {
845 set_cmdline_auth_info_password(pass);
846 }
847 }
848
849 nt_status = cli_full_connection(&c, global_myname(), server,
850 &ss, 0,
851 share, "?????",
852 get_cmdline_auth_info_username(),
853 lp_workgroup(),
854 get_cmdline_auth_info_password(),
855 flags,
856 get_cmdline_auth_info_signing_state(),
857 NULL);
858 if (!NT_STATUS_IS_OK(nt_status)) {
859 DEBUG(0,("cli_full_connection failed! (%s)\n", nt_errstr(nt_status)));
860 return NULL;
861 }
862
863 if (get_cmdline_auth_info_smb_encrypt()) {
864 nt_status = cli_cm_force_encryption(c,
865 get_cmdline_auth_info_username(),
866 get_cmdline_auth_info_password(),
867 lp_workgroup(),
868 share);
869 if (!NT_STATUS_IS_OK(nt_status)) {
870 cli_shutdown(c);
871 c = NULL;
872 }
873 }
874
875 return c;
876}
877
878/****************************************************************************
879 main program
880****************************************************************************/
881 int main(int argc, const char *argv[])
882{
883 char *share;
884 int opt;
885 enum acl_mode mode = SMB_ACL_SET;
886 static char *the_acl = NULL;
887 enum chown_mode change_mode = REQUEST_NONE;
888 int result;
889 char *path;
890 char *filename = NULL;
891 poptContext pc;
892 struct poptOption long_options[] = {
893 POPT_AUTOHELP
894 { "delete", 'D', POPT_ARG_STRING, NULL, 'D', "Delete an acl", "ACL" },
895 { "modify", 'M', POPT_ARG_STRING, NULL, 'M', "Modify an acl", "ACL" },
896 { "add", 'a', POPT_ARG_STRING, NULL, 'a', "Add an acl", "ACL" },
897 { "set", 'S', POPT_ARG_STRING, NULL, 'S', "Set acls", "ACLS" },
898 { "chown", 'C', POPT_ARG_STRING, NULL, 'C', "Change ownership of a file", "USERNAME" },
899 { "chgrp", 'G', POPT_ARG_STRING, NULL, 'G', "Change group ownership of a file", "GROUPNAME" },
900 { "numeric", 0, POPT_ARG_NONE, &numeric, True, "Don't resolve sids or masks to names" },
901 { "test-args", 't', POPT_ARG_NONE, &test_args, True, "Test arguments"},
902 POPT_COMMON_SAMBA
903 POPT_COMMON_CONNECTION
904 POPT_COMMON_CREDENTIALS
905 POPT_TABLEEND
906 };
907
908 struct cli_state *cli;
909 TALLOC_CTX *frame = talloc_stackframe();
910 const char *owner_username = "";
911 char *server;
912
913 load_case_tables();
914
915
916 /* set default debug level to 1 regardless of what smb.conf sets */
917 setup_logging( "smbcacls", True );
918 DEBUGLEVEL_CLASS[DBGC_ALL] = 1;
919 dbf = x_stderr;
920 x_setbuf( x_stderr, NULL );
921
922 setlinebuf(stdout);
923
924 lp_load(get_dyn_CONFIGFILE(),True,False,False,True);
925 load_interfaces();
926
927 pc = poptGetContext("smbcacls", argc, argv, long_options, 0);
928
929 poptSetOtherOptionHelp(pc, "//server1/share1 filename\nACLs look like: "
930 "'ACL:user:[ALLOWED|DENIED]/flags/permissions'");
931
932 while ((opt = poptGetNextOpt(pc)) != -1) {
933 switch (opt) {
934 case 'S':
935 the_acl = smb_xstrdup(poptGetOptArg(pc));
936 mode = SMB_ACL_SET;
937 break;
938
939 case 'D':
940 the_acl = smb_xstrdup(poptGetOptArg(pc));
941 mode = SMB_ACL_DELETE;
942 break;
943
944 case 'M':
945 the_acl = smb_xstrdup(poptGetOptArg(pc));
946 mode = SMB_ACL_MODIFY;
947 break;
948
949 case 'a':
950 the_acl = smb_xstrdup(poptGetOptArg(pc));
951 mode = SMB_ACL_ADD;
952 break;
953
954 case 'C':
955 owner_username = poptGetOptArg(pc);
956 change_mode = REQUEST_CHOWN;
957 break;
958
959 case 'G':
960 owner_username = poptGetOptArg(pc);
961 change_mode = REQUEST_CHGRP;
962 break;
963 }
964 }
965
966 /* Make connection to server */
967 if(!poptPeekArg(pc)) {
968 poptPrintUsage(pc, stderr, 0);
969 return -1;
970 }
971
972 path = talloc_strdup(frame, poptGetArg(pc));
973 if (!path) {
974 return -1;
975 }
976
977 if(!poptPeekArg(pc)) {
978 poptPrintUsage(pc, stderr, 0);
979 return -1;
980 }
981
982 filename = talloc_strdup(frame, poptGetArg(pc));
983 if (!filename) {
984 return -1;
985 }
986
987 string_replace(path,'/','\\');
988
989 server = talloc_strdup(frame, path+2);
990 if (!server) {
991 return -1;
992 }
993 share = strchr_m(server,'\\');
994 if (!share) {
995 printf("Invalid argument: %s\n", share);
996 return -1;
997 }
998
999 *share = 0;
1000 share++;
1001
1002 if (!test_args) {
1003 cli = connect_one(server, share);
1004 if (!cli) {
1005 exit(EXIT_FAILED);
1006 }
1007 } else {
1008 exit(0);
1009 }
1010
1011 string_replace(filename, '/', '\\');
1012 if (filename[0] != '\\') {
1013 filename = talloc_asprintf(frame,
1014 "\\%s",
1015 filename);
1016 if (!filename) {
1017 return -1;
1018 }
1019 }
1020
1021 /* Perform requested action */
1022
1023 if (change_mode != REQUEST_NONE) {
1024 result = owner_set(cli, change_mode, filename, owner_username);
1025 } else if (the_acl) {
1026 result = cacl_set(cli, filename, the_acl, mode);
1027 } else {
1028 result = cacl_dump(cli, filename);
1029 }
1030
1031 TALLOC_FREE(frame);
1032
1033 return result;
1034}
Note: See TracBrowser for help on using the repository browser.