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s3:smbcacls pretty print acl control field
[Samba/gebeck_regimport.git] / source3 / utils / smbcacls.c
blobae0afceba017c870256f2e08ac2f86b99b7df75d
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 "popt_common.h"
26 #include "rpc_client/cli_pipe.h"
27 #include "../librpc/gen_ndr/ndr_lsa.h"
28 #include "rpc_client/cli_lsarpc.h"
29 #include "../libcli/security/security.h"
30 #include "libsmb/libsmb.h"
31 #include "libsmb/clirap.h"
32 #include "passdb/machine_sid.h"
33
34 static int test_args;
35
36 #define CREATE_ACCESS_READ READ_CONTROL_ACCESS
37
38 /* numeric is set when the user wants numeric SIDs and ACEs rather
39 than going via LSA calls to resolve them */
40 static int numeric;
41
42 static int sddl;
43
44 enum acl_mode {SMB_ACL_SET, SMB_ACL_DELETE, SMB_ACL_MODIFY, SMB_ACL_ADD };
45 enum chown_mode {REQUEST_NONE, REQUEST_CHOWN, REQUEST_CHGRP, REQUEST_INHERIT};
46 enum exit_values {EXIT_OK, EXIT_FAILED, EXIT_PARSE_ERROR};
47
48 struct perm_value {
49 const char *perm;
50 uint32 mask;
51 };
52
53 /* These values discovered by inspection */
54
55 static const struct perm_value special_values[] = {
56 { "R", 0x00120089 },
57 { "W", 0x00120116 },
58 { "X", 0x001200a0 },
59 { "D", 0x00010000 },
60 { "P", 0x00040000 },
61 { "O", 0x00080000 },
62 { NULL, 0 },
63 };
64
65 static const struct perm_value standard_values[] = {
66 { "READ", 0x001200a9 },
67 { "CHANGE", 0x001301bf },
68 { "FULL", 0x001f01ff },
69 { NULL, 0 },
70 };
71
72 /* Open cli connection and policy handle */
73
74 static NTSTATUS cli_lsa_lookup_sid(struct cli_state *cli,
75 const struct dom_sid *sid,
76 TALLOC_CTX *mem_ctx,
77 enum lsa_SidType *type,
78 char **domain, char **name)
79 {
80 uint16 orig_cnum = cli_state_get_tid(cli);
81 struct rpc_pipe_client *p = NULL;
82 struct policy_handle handle;
83 NTSTATUS status;
84 TALLOC_CTX *frame = talloc_stackframe();
85 enum lsa_SidType *types;
86 char **domains;
87 char **names;
88
89 status = cli_tcon_andx(cli, "IPC$", "?????", "", 0);
90 if (!NT_STATUS_IS_OK(status)) {
91 return status;
92 }
93
94 status = cli_rpc_pipe_open_noauth(cli, &ndr_table_lsarpc.syntax_id,
95 &p);
96 if (!NT_STATUS_IS_OK(status)) {
97 goto fail;
98 }
99
100 status = rpccli_lsa_open_policy(p, talloc_tos(), True,
101 GENERIC_EXECUTE_ACCESS, &handle);
102 if (!NT_STATUS_IS_OK(status)) {
103 goto fail;
104 }
105
106 status = rpccli_lsa_lookup_sids(p, talloc_tos(), &handle, 1, sid,
107 &domains, &names, &types);
108 if (!NT_STATUS_IS_OK(status)) {
109 goto fail;
110 }
111
112 *type = types[0];
113 *domain = talloc_move(mem_ctx, &domains[0]);
114 *name = talloc_move(mem_ctx, &names[0]);
115
116 status = NT_STATUS_OK;
117 fail:
118 TALLOC_FREE(p);
119 cli_tdis(cli);
120 cli_state_set_tid(cli, orig_cnum);
121 TALLOC_FREE(frame);
122 return status;
123 }
124
125 static NTSTATUS cli_lsa_lookup_name(struct cli_state *cli,
126 const char *name,
127 enum lsa_SidType *type,
128 struct dom_sid *sid)
129 {
130 uint16 orig_cnum = cli_state_get_tid(cli);
131 struct rpc_pipe_client *p;
132 struct policy_handle handle;
133 NTSTATUS status;
134 TALLOC_CTX *frame = talloc_stackframe();
135 struct dom_sid *sids;
136 enum lsa_SidType *types;
137
138 status = cli_tcon_andx(cli, "IPC$", "?????", "", 0);
139 if (!NT_STATUS_IS_OK(status)) {
140 return status;
141 }
142
143 status = cli_rpc_pipe_open_noauth(cli, &ndr_table_lsarpc.syntax_id,
144 &p);
145 if (!NT_STATUS_IS_OK(status)) {
146 goto fail;
147 }
148
149 status = rpccli_lsa_open_policy(p, talloc_tos(), True,
150 GENERIC_EXECUTE_ACCESS, &handle);
151 if (!NT_STATUS_IS_OK(status)) {
152 goto fail;
153 }
154
155 status = rpccli_lsa_lookup_names(p, talloc_tos(), &handle, 1, &name,
156 NULL, 1, &sids, &types);
157 if (!NT_STATUS_IS_OK(status)) {
158 goto fail;
159 }
160
161 *type = types[0];
162 *sid = sids[0];
163
164 status = NT_STATUS_OK;
165 fail:
166 TALLOC_FREE(p);
167 cli_tdis(cli);
168 cli_state_set_tid(cli, orig_cnum);
169 TALLOC_FREE(frame);
170 return status;
171 }
172
173 /* convert a SID to a string, either numeric or username/group */
174 static void SidToString(struct cli_state *cli, fstring str, const struct dom_sid *sid)
175 {
176 char *domain = NULL;
177 char *name = NULL;
178 enum lsa_SidType type;
179 NTSTATUS status;
180
181 sid_to_fstring(str, sid);
182
183 if (numeric) {
184 return;
185 }
186
187 status = cli_lsa_lookup_sid(cli, sid, talloc_tos(), &type,
188 &domain, &name);
189
190 if (!NT_STATUS_IS_OK(status)) {
191 return;
192 }
193
194 if (*domain) {
195 slprintf(str, sizeof(fstring) - 1, "%s%s%s",
196 domain, lp_winbind_separator(), name);
197 } else {
198 fstrcpy(str, name);
199 }
200 }
201
202 /* convert a string to a SID, either numeric or username/group */
203 static bool StringToSid(struct cli_state *cli, struct dom_sid *sid, const char *str)
204 {
205 enum lsa_SidType type;
206
207 if (string_to_sid(sid, str)) {
208 return true;
209 }
210
211 return NT_STATUS_IS_OK(cli_lsa_lookup_name(cli, str, &type, sid));
212 }
213
214 static void print_ace_flags(FILE *f, uint8_t flags)
215 {
216 char *str = talloc_strdup(NULL, "");
217
218 if (!str) {
219 goto out;
220 }
221
222 if (flags & SEC_ACE_FLAG_OBJECT_INHERIT) {
223 str = talloc_asprintf(str, "%s%s",
224 str, "OI|");
225 if (!str) {
226 goto out;
227 }
228 }
229 if (flags & SEC_ACE_FLAG_CONTAINER_INHERIT) {
230 str = talloc_asprintf(str, "%s%s",
231 str, "CI|");
232 if (!str) {
233 goto out;
234 }
235 }
236 if (flags & SEC_ACE_FLAG_NO_PROPAGATE_INHERIT) {
237 str = talloc_asprintf(str, "%s%s",
238 str, "NP|");
239 if (!str) {
240 goto out;
241 }
242 }
243 if (flags & SEC_ACE_FLAG_INHERIT_ONLY) {
244 str = talloc_asprintf(str, "%s%s",
245 str, "IO|");
246 if (!str) {
247 goto out;
248 }
249 }
250 if (flags & SEC_ACE_FLAG_INHERITED_ACE) {
251 str = talloc_asprintf(str, "%s%s",
252 str, "I|");
253 if (!str) {
254 goto out;
255 }
256 }
257 /* Ignore define SEC_ACE_FLAG_SUCCESSFUL_ACCESS ( 0x40 )
258 and SEC_ACE_FLAG_FAILED_ACCESS ( 0x80 ) as they're
259 audit ace flags. */
260
261 if (str[strlen(str)-1] == '|') {
262 str[strlen(str)-1] = '\0';
263 fprintf(f, "/%s/", str);
264 } else {
265 fprintf(f, "/0x%x/", flags);
266 }
267 TALLOC_FREE(str);
268 return;
269
270 out:
271 fprintf(f, "/0x%x/", flags);
272 }
273
274 /* print an ACE on a FILE, using either numeric or ascii representation */
275 static void print_ace(struct cli_state *cli, FILE *f, struct security_ace *ace)
276 {
277 const struct perm_value *v;
278 fstring sidstr;
279 int do_print = 0;
280 uint32 got_mask;
281
282 SidToString(cli, sidstr, &ace->trustee);
283
284 fprintf(f, "%s:", sidstr);
285
286 if (numeric) {
287 fprintf(f, "%d/0x%x/0x%08x",
288 ace->type, ace->flags, ace->access_mask);
289 return;
290 }
291
292 /* Ace type */
293
294 if (ace->type == SEC_ACE_TYPE_ACCESS_ALLOWED) {
295 fprintf(f, "ALLOWED");
296 } else if (ace->type == SEC_ACE_TYPE_ACCESS_DENIED) {
297 fprintf(f, "DENIED");
298 } else {
299 fprintf(f, "%d", ace->type);
300 }
301
302 print_ace_flags(f, ace->flags);
303
304 /* Standard permissions */
305
306 for (v = standard_values; v->perm; v++) {
307 if (ace->access_mask == v->mask) {
308 fprintf(f, "%s", v->perm);
309 return;
310 }
311 }
312
313 /* Special permissions. Print out a hex value if we have
314 leftover bits in the mask. */
315
316 got_mask = ace->access_mask;
317
318 again:
319 for (v = special_values; v->perm; v++) {
320 if ((ace->access_mask & v->mask) == v->mask) {
321 if (do_print) {
322 fprintf(f, "%s", v->perm);
323 }
324 got_mask &= ~v->mask;
325 }
326 }
327
328 if (!do_print) {
329 if (got_mask != 0) {
330 fprintf(f, "0x%08x", ace->access_mask);
331 } else {
332 do_print = 1;
333 goto again;
334 }
335 }
336 }
337
338 static bool parse_ace_flags(const char *str, unsigned int *pflags)
339 {
340 const char *p = str;
341 *pflags = 0;
342
343 while (*p) {
344 if (strnequal(p, "OI", 2)) {
345 *pflags |= SEC_ACE_FLAG_OBJECT_INHERIT;
346 p += 2;
347 } else if (strnequal(p, "CI", 2)) {
348 *pflags |= SEC_ACE_FLAG_CONTAINER_INHERIT;
349 p += 2;
350 } else if (strnequal(p, "NP", 2)) {
351 *pflags |= SEC_ACE_FLAG_NO_PROPAGATE_INHERIT;
352 p += 2;
353 } else if (strnequal(p, "IO", 2)) {
354 *pflags |= SEC_ACE_FLAG_INHERIT_ONLY;
355 p += 2;
356 } else if (*p == 'I') {
357 *pflags |= SEC_ACE_FLAG_INHERITED_ACE;
358 p += 1;
359 } else if (*p) {
360 return false;
361 }
362
363 switch (*p) {
364 case '|':
365 p++;
366 case '\0':
367 continue;
368 default:
369 return false;
370 }
371 }
372 return true;
373 }
374
375 /* parse an ACE in the same format as print_ace() */
376 static bool parse_ace(struct cli_state *cli, struct security_ace *ace,
377 const char *orig_str)
378 {
379 char *p;
380 const char *cp;
381 char *tok;
382 unsigned int atype = 0;
383 unsigned int aflags = 0;
384 unsigned int amask = 0;
385 struct dom_sid sid;
386 uint32_t mask;
387 const struct perm_value *v;
388 char *str = SMB_STRDUP(orig_str);
389 TALLOC_CTX *frame = talloc_stackframe();
390
391 if (!str) {
392 TALLOC_FREE(frame);
393 return False;
394 }
395
396 ZERO_STRUCTP(ace);
397 p = strchr_m(str,':');
398 if (!p) {
399 printf("ACE '%s': missing ':'.\n", orig_str);
400 SAFE_FREE(str);
401 TALLOC_FREE(frame);
402 return False;
403 }
404 *p = '\0';
405 p++;
406 /* Try to parse numeric form */
407
408 if (sscanf(p, "%i/%i/%i", &atype, &aflags, &amask) == 3 &&
409 StringToSid(cli, &sid, str)) {
410 goto done;
411 }
412
413 /* Try to parse text form */
414
415 if (!StringToSid(cli, &sid, str)) {
416 printf("ACE '%s': failed to convert '%s' to SID\n",
417 orig_str, str);
418 SAFE_FREE(str);
419 TALLOC_FREE(frame);
420 return False;
421 }
422
423 cp = p;
424 if (!next_token_talloc(frame, &cp, &tok, "/")) {
425 printf("ACE '%s': failed to find '/' character.\n",
426 orig_str);
427 SAFE_FREE(str);
428 TALLOC_FREE(frame);
429 return False;
430 }
431
432 if (strncmp(tok, "ALLOWED", strlen("ALLOWED")) == 0) {
433 atype = SEC_ACE_TYPE_ACCESS_ALLOWED;
434 } else if (strncmp(tok, "DENIED", strlen("DENIED")) == 0) {
435 atype = SEC_ACE_TYPE_ACCESS_DENIED;
436 } else {
437 printf("ACE '%s': missing 'ALLOWED' or 'DENIED' entry at '%s'\n",
438 orig_str, tok);
439 SAFE_FREE(str);
440 TALLOC_FREE(frame);
441 return False;
442 }
443
444 /* Only numeric form accepted for flags at present */
445
446 if (!next_token_talloc(frame, &cp, &tok, "/")) {
447 printf("ACE '%s': bad flags entry at '%s'\n",
448 orig_str, tok);
449 SAFE_FREE(str);
450 TALLOC_FREE(frame);
451 return False;
452 }
453
454 if (tok[0] < '0' || tok[0] > '9') {
455 if (!parse_ace_flags(tok, &aflags)) {
456 printf("ACE '%s': bad named flags entry at '%s'\n",
457 orig_str, tok);
458 SAFE_FREE(str);
459 TALLOC_FREE(frame);
460 return False;
461 }
462 } else if (strnequal(tok, "0x", 2)) {
463 if (!sscanf(tok, "%x", &aflags)) {
464 printf("ACE '%s': bad hex flags entry at '%s'\n",
465 orig_str, tok);
466 SAFE_FREE(str);
467 TALLOC_FREE(frame);
468 return False;
469 }
470 } else {
471 if (!sscanf(tok, "%i", &aflags)) {
472 printf("ACE '%s': bad integer flags entry at '%s'\n",
473 orig_str, tok);
474 SAFE_FREE(str);
475 TALLOC_FREE(frame);
476 return False;
477 }
478 }
479
480 if (!next_token_talloc(frame, &cp, &tok, "/")) {
481 printf("ACE '%s': missing / at '%s'\n",
482 orig_str, tok);
483 SAFE_FREE(str);
484 TALLOC_FREE(frame);
485 return False;
486 }
487
488 if (strncmp(tok, "0x", 2) == 0) {
489 if (sscanf(tok, "%i", &amask) != 1) {
490 printf("ACE '%s': bad hex number at '%s'\n",
491 orig_str, tok);
492 SAFE_FREE(str);
493 TALLOC_FREE(frame);
494 return False;
495 }
496 goto done;
497 }
498
499 for (v = standard_values; v->perm; v++) {
500 if (strcmp(tok, v->perm) == 0) {
501 amask = v->mask;
502 goto done;
503 }
504 }
505
506 p = tok;
507
508 while(*p) {
509 bool found = False;
510
511 for (v = special_values; v->perm; v++) {
512 if (v->perm[0] == *p) {
513 amask |= v->mask;
514 found = True;
515 }
516 }
517
518 if (!found) {
519 printf("ACE '%s': bad permission value at '%s'\n",
520 orig_str, p);
521 SAFE_FREE(str);
522 TALLOC_FREE(frame);
523 return False;
524 }
525 p++;
526 }
527
528 if (*p) {
529 TALLOC_FREE(frame);
530 SAFE_FREE(str);
531 return False;
532 }
533
534 done:
535 mask = amask;
536 init_sec_ace(ace, &sid, atype, mask, aflags);
537 TALLOC_FREE(frame);
538 SAFE_FREE(str);
539 return True;
540 }
541
542 /* add an ACE to a list of ACEs in a struct security_acl */
543 static bool add_ace(struct security_acl **the_acl, struct security_ace *ace)
544 {
545 struct security_acl *new_ace;
546 struct security_ace *aces;
547 if (! *the_acl) {
548 return (((*the_acl) = make_sec_acl(talloc_tos(), 3, 1, ace))
549 != NULL);
550 }
551
552 if (!(aces = SMB_CALLOC_ARRAY(struct security_ace, 1+(*the_acl)->num_aces))) {
553 return False;
554 }
555 memcpy(aces, (*the_acl)->aces, (*the_acl)->num_aces * sizeof(struct
556 security_ace));
557 memcpy(aces+(*the_acl)->num_aces, ace, sizeof(struct security_ace));
558 new_ace = make_sec_acl(talloc_tos(),(*the_acl)->revision,1+(*the_acl)->num_aces, aces);
559 SAFE_FREE(aces);
560 (*the_acl) = new_ace;
561 return True;
562 }
563
564 /* parse a ascii version of a security descriptor */
565 static struct security_descriptor *sec_desc_parse(TALLOC_CTX *ctx, struct cli_state *cli, char *str)
566 {
567 const char *p = str;
568 char *tok;
569 struct security_descriptor *ret = NULL;
570 size_t sd_size;
571 struct dom_sid *grp_sid=NULL, *owner_sid=NULL;
572 struct security_acl *dacl=NULL;
573 int revision=1;
574
575 while (next_token_talloc(ctx, &p, &tok, "\t,\r\n")) {
576 if (strncmp(tok,"REVISION:", 9) == 0) {
577 revision = strtol(tok+9, NULL, 16);
578 continue;
579 }
580
581 if (strncmp(tok,"OWNER:", 6) == 0) {
582 if (owner_sid) {
583 printf("Only specify owner once\n");
584 goto done;
585 }
586 owner_sid = SMB_CALLOC_ARRAY(struct dom_sid, 1);
587 if (!owner_sid ||
588 !StringToSid(cli, owner_sid, tok+6)) {
589 printf("Failed to parse owner sid\n");
590 goto done;
591 }
592 continue;
593 }
594
595 if (strncmp(tok,"GROUP:", 6) == 0) {
596 if (grp_sid) {
597 printf("Only specify group once\n");
598 goto done;
599 }
600 grp_sid = SMB_CALLOC_ARRAY(struct dom_sid, 1);
601 if (!grp_sid ||
602 !StringToSid(cli, grp_sid, tok+6)) {
603 printf("Failed to parse group sid\n");
604 goto done;
605 }
606 continue;
607 }
608
609 if (strncmp(tok,"ACL:", 4) == 0) {
610 struct security_ace ace;
611 if (!parse_ace(cli, &ace, tok+4)) {
612 goto done;
613 }
614 if(!add_ace(&dacl, &ace)) {
615 printf("Failed to add ACL %s\n", tok);
616 goto done;
617 }
618 continue;
619 }
620
621 printf("Failed to parse token '%s' in security descriptor,\n", tok);
622 goto done;
623 }
624
625 ret = make_sec_desc(ctx,revision, SEC_DESC_SELF_RELATIVE, owner_sid, grp_sid,
626 NULL, dacl, &sd_size);
627
628 done:
629 SAFE_FREE(grp_sid);
630 SAFE_FREE(owner_sid);
631
632 return ret;
633 }
634
635 static const struct {
636 uint16_t mask;
637 const char *str;
638 const char *desc;
639 } sec_desc_ctrl_bits[] = {
640 {SEC_DESC_OWNER_DEFAULTED, "OD", "Owner Defaulted"},
641 {SEC_DESC_GROUP_DEFAULTED, "GD", "Group Defaulted"},
642 {SEC_DESC_DACL_PRESENT, "DP", "DACL Present"},
643 {SEC_DESC_DACL_DEFAULTED, "DD", "DACL Defaulted"},
644 {SEC_DESC_SACL_PRESENT, "SP", "SACL Present"},
645 {SEC_DESC_SACL_DEFAULTED, "SD", "SACL Defaulted"},
646 {SEC_DESC_DACL_TRUSTED, "DT", "DACL Trusted"},
647 {SEC_DESC_SERVER_SECURITY, "SS", "Server Security"},
648 {SEC_DESC_DACL_AUTO_INHERIT_REQ, "DR", "DACL Inheritance Required"},
649 {SEC_DESC_SACL_AUTO_INHERIT_REQ, "SR", "SACL Inheritance Required"},
650 {SEC_DESC_DACL_AUTO_INHERITED, "DI", "DACL Auto Inherited"},
651 {SEC_DESC_SACL_AUTO_INHERITED, "SI", "SACL Auto Inherited"},
652 {SEC_DESC_DACL_PROTECTED, "PD", "DACL Protected"},
653 {SEC_DESC_SACL_PROTECTED, "PS", "SACL Protected"},
654 {SEC_DESC_RM_CONTROL_VALID, "RM", "RM Control Valid"},
655 {SEC_DESC_SELF_RELATIVE , "SR", "Self Relative"},
656 };
657
658 static void print_acl_ctrl(FILE *file, uint16_t ctrl)
659 {
660 int i;
661 const char* separator = "";
662
663 fprintf(file, "CONTROL:");
664 if (numeric) {
665 fprintf(file, "0x%x\n", ctrl);
666 return;
667 }
668
669 for (i = ARRAY_SIZE(sec_desc_ctrl_bits) - 1; i >= 0; i--) {
670 if (ctrl & sec_desc_ctrl_bits[i].mask) {
671 fprintf(file, "%s%s", separator, sec_desc_ctrl_bits[i].str);
672 separator = "|";
673 }
674 }
675 fputc('\n', file);
676 }
677
678 /* print a ascii version of a security descriptor on a FILE handle */
679 static void sec_desc_print(struct cli_state *cli, FILE *f, struct security_descriptor *sd)
680 {
681 fstring sidstr;
682 uint32 i;
683
684 fprintf(f, "REVISION:%d\n", sd->revision);
685 print_acl_ctrl(f, sd->type);
686
687 /* Print owner and group sid */
688
689 if (sd->owner_sid) {
690 SidToString(cli, sidstr, sd->owner_sid);
691 } else {
692 fstrcpy(sidstr, "");
693 }
694
695 fprintf(f, "OWNER:%s\n", sidstr);
696
697 if (sd->group_sid) {
698 SidToString(cli, sidstr, sd->group_sid);
699 } else {
700 fstrcpy(sidstr, "");
701 }
702
703 fprintf(f, "GROUP:%s\n", sidstr);
704
705 /* Print aces */
706 for (i = 0; sd->dacl && i < sd->dacl->num_aces; i++) {
707 struct security_ace *ace = &sd->dacl->aces[i];
708 fprintf(f, "ACL:");
709 print_ace(cli, f, ace);
710 fprintf(f, "\n");
711 }
712
713 }
714
715 /*****************************************************
716 get fileinfo for filename
717 *******************************************************/
718 static uint16 get_fileinfo(struct cli_state *cli, const char *filename)
719 {
720 uint16_t fnum = (uint16_t)-1;
721 uint16 mode = 0;
722 NTSTATUS status;
723
724 /* The desired access below is the only one I could find that works
725 with NT4, W2KP and Samba */
726
727 status = cli_ntcreate(cli, filename, 0, CREATE_ACCESS_READ,
728 0, FILE_SHARE_READ|FILE_SHARE_WRITE,
729 FILE_OPEN, 0x0, 0x0, &fnum);
730 if (!NT_STATUS_IS_OK(status)) {
731 printf("Failed to open %s: %s\n", filename, nt_errstr(status));
732 return 0;
733 }
734
735 status = cli_qfileinfo_basic(cli, fnum, &mode, NULL, NULL, NULL,
736 NULL, NULL, NULL);
737 if (!NT_STATUS_IS_OK(status)) {
738 printf("Failed to file info %s: %s\n", filename,
739 nt_errstr(status));
740 }
741
742 cli_close(cli, fnum);
743
744 return mode;
745 }
746
747 /*****************************************************
748 get sec desc for filename
749 *******************************************************/
750 static struct security_descriptor *get_secdesc(struct cli_state *cli, const char *filename)
751 {
752 uint16_t fnum = (uint16_t)-1;
753 struct security_descriptor *sd;
754 NTSTATUS status;
755
756 /* The desired access below is the only one I could find that works
757 with NT4, W2KP and Samba */
758
759 status = cli_ntcreate(cli, filename, 0, CREATE_ACCESS_READ,
760 0, FILE_SHARE_READ|FILE_SHARE_WRITE,
761 FILE_OPEN, 0x0, 0x0, &fnum);
762 if (!NT_STATUS_IS_OK(status)) {
763 printf("Failed to open %s: %s\n", filename, nt_errstr(status));
764 return NULL;
765 }
766
767 status = cli_query_secdesc(cli, fnum, talloc_tos(), &sd);
768
769 cli_close(cli, fnum);
770
771 if (!NT_STATUS_IS_OK(status)) {
772 printf("Failed to get security descriptor: %s\n",
773 nt_errstr(status));
774 return NULL;
775 }
776 return sd;
777 }
778
779 /*****************************************************
780 set sec desc for filename
781 *******************************************************/
782 static bool set_secdesc(struct cli_state *cli, const char *filename,
783 struct security_descriptor *sd)
784 {
785 uint16_t fnum = (uint16_t)-1;
786 bool result=true;
787 NTSTATUS status;
788
789 /* The desired access below is the only one I could find that works
790 with NT4, W2KP and Samba */
791
792 status = cli_ntcreate(cli, filename, 0,
793 WRITE_DAC_ACCESS|WRITE_OWNER_ACCESS,
794 0, FILE_SHARE_READ|FILE_SHARE_WRITE,
795 FILE_OPEN, 0x0, 0x0, &fnum);
796 if (!NT_STATUS_IS_OK(status)) {
797 printf("Failed to open %s: %s\n", filename, nt_errstr(status));
798 return false;
799 }
800
801 status = cli_set_secdesc(cli, fnum, sd);
802 if (!NT_STATUS_IS_OK(status)) {
803 printf("ERROR: security description set failed: %s\n",
804 nt_errstr(status));
805 result=false;
806 }
807
808 cli_close(cli, fnum);
809 return result;
810 }
811
812 /*****************************************************
813 dump the acls for a file
814 *******************************************************/
815 static int cacl_dump(struct cli_state *cli, const char *filename)
816 {
817 int result = EXIT_FAILED;
818 struct security_descriptor *sd;
819
820 if (test_args)
821 return EXIT_OK;
822
823 sd = get_secdesc(cli, filename);
824
825 if (sd) {
826 if (sddl) {
827 printf("%s\n", sddl_encode(talloc_tos(), sd,
828 get_global_sam_sid()));
829 } else {
830 sec_desc_print(cli, stdout, sd);
831 }
832 result = EXIT_OK;
833 }
834
835 return result;
836 }
837
838 /*****************************************************
839 Change the ownership or group ownership of a file. Just
840 because the NT docs say this can't be done :-). JRA.
841 *******************************************************/
842
843 static int owner_set(struct cli_state *cli, enum chown_mode change_mode,
844 const char *filename, const char *new_username)
845 {
846 struct dom_sid sid;
847 struct security_descriptor *sd, *old;
848 size_t sd_size;
849
850 if (!StringToSid(cli, &sid, new_username))
851 return EXIT_PARSE_ERROR;
852
853 old = get_secdesc(cli, filename);
854
855 if (!old) {
856 return EXIT_FAILED;
857 }
858
859 sd = make_sec_desc(talloc_tos(),old->revision, old->type,
860 (change_mode == REQUEST_CHOWN) ? &sid : NULL,
861 (change_mode == REQUEST_CHGRP) ? &sid : NULL,
862 NULL, NULL, &sd_size);
863
864 if (!set_secdesc(cli, filename, sd)) {
865 return EXIT_FAILED;
866 }
867
868 return EXIT_OK;
869 }
870
871
872 /* The MSDN is contradictory over the ordering of ACE entries in an
873 ACL. However NT4 gives a "The information may have been modified
874 by a computer running Windows NT 5.0" if denied ACEs do not appear
875 before allowed ACEs. At
876 http://technet.microsoft.com/en-us/library/cc781716.aspx the
877 canonical order is specified as "Explicit Deny, Explicit Allow,
878 Inherited ACEs unchanged" */
879
880 static int ace_compare(struct security_ace *ace1, struct security_ace *ace2)
881 {
882 if (sec_ace_equal(ace1, ace2))
883 return 0;
884
885 if ((ace1->flags & SEC_ACE_FLAG_INHERITED_ACE) &&
886 !(ace2->flags & SEC_ACE_FLAG_INHERITED_ACE))
887 return 1;
888 if (!(ace1->flags & SEC_ACE_FLAG_INHERITED_ACE) &&
889 (ace2->flags & SEC_ACE_FLAG_INHERITED_ACE))
890 return -1;
891 if ((ace1->flags & SEC_ACE_FLAG_INHERITED_ACE) &&
892 (ace2->flags & SEC_ACE_FLAG_INHERITED_ACE))
893 return ace1 - ace2;
894
895 if (ace1->type != ace2->type)
896 return ace2->type - ace1->type;
897
898 if (dom_sid_compare(&ace1->trustee, &ace2->trustee))
899 return dom_sid_compare(&ace1->trustee, &ace2->trustee);
900
901 if (ace1->flags != ace2->flags)
902 return ace1->flags - ace2->flags;
903
904 if (ace1->access_mask != ace2->access_mask)
905 return ace1->access_mask - ace2->access_mask;
906
907 if (ace1->size != ace2->size)
908 return ace1->size - ace2->size;
909
910 return memcmp(ace1, ace2, sizeof(struct security_ace));
911 }
912
913 static void sort_acl(struct security_acl *the_acl)
914 {
915 uint32 i;
916 if (!the_acl) return;
917
918 TYPESAFE_QSORT(the_acl->aces, the_acl->num_aces, ace_compare);
919
920 for (i=1;i<the_acl->num_aces;) {
921 if (sec_ace_equal(&the_acl->aces[i-1], &the_acl->aces[i])) {
922 int j;
923 for (j=i; j<the_acl->num_aces-1; j++) {
924 the_acl->aces[j] = the_acl->aces[j+1];
925 }
926 the_acl->num_aces--;
927 } else {
928 i++;
929 }
930 }
931 }
932
933 /*****************************************************
934 set the ACLs on a file given an ascii description
935 *******************************************************/
936
937 static int cacl_set(struct cli_state *cli, const char *filename,
938 char *the_acl, enum acl_mode mode)
939 {
940 struct security_descriptor *sd, *old;
941 uint32 i, j;
942 size_t sd_size;
943 int result = EXIT_OK;
944
945 if (sddl) {
946 sd = sddl_decode(talloc_tos(), the_acl, get_global_sam_sid());
947 } else {
948 sd = sec_desc_parse(talloc_tos(), cli, the_acl);
949 }
950
951 if (!sd) return EXIT_PARSE_ERROR;
952 if (test_args) return EXIT_OK;
953
954 old = get_secdesc(cli, filename);
955
956 if (!old) {
957 return EXIT_FAILED;
958 }
959
960 /* the logic here is rather more complex than I would like */
961 switch (mode) {
962 case SMB_ACL_DELETE:
963 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
964 bool found = False;
965
966 for (j=0;old->dacl && j<old->dacl->num_aces;j++) {
967 if (sec_ace_equal(&sd->dacl->aces[i],
968 &old->dacl->aces[j])) {
969 uint32 k;
970 for (k=j; k<old->dacl->num_aces-1;k++) {
971 old->dacl->aces[k] = old->dacl->aces[k+1];
972 }
973 old->dacl->num_aces--;
974 found = True;
975 break;
976 }
977 }
978
979 if (!found) {
980 printf("ACL for ACE:");
981 print_ace(cli, stdout, &sd->dacl->aces[i]);
982 printf(" not found\n");
983 }
984 }
985 break;
986
987 case SMB_ACL_MODIFY:
988 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
989 bool found = False;
990
991 for (j=0;old->dacl && j<old->dacl->num_aces;j++) {
992 if (dom_sid_equal(&sd->dacl->aces[i].trustee,
993 &old->dacl->aces[j].trustee)) {
994 old->dacl->aces[j] = sd->dacl->aces[i];
995 found = True;
996 }
997 }
998
999 if (!found) {
1000 fstring str;
1001
1002 SidToString(cli, str,
1003 &sd->dacl->aces[i].trustee);
1004 printf("ACL for SID %s not found\n", str);
1005 }
1006 }
1007
1008 if (sd->owner_sid) {
1009 old->owner_sid = sd->owner_sid;
1010 }
1011
1012 if (sd->group_sid) {
1013 old->group_sid = sd->group_sid;
1014 }
1015
1016 break;
1017
1018 case SMB_ACL_ADD:
1019 for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
1020 add_ace(&old->dacl, &sd->dacl->aces[i]);
1021 }
1022 break;
1023
1024 case SMB_ACL_SET:
1025 old = sd;
1026 break;
1027 }
1028
1029 /* Denied ACE entries must come before allowed ones */
1030 sort_acl(old->dacl);
1031
1032 /* Create new security descriptor and set it */
1033
1034 /* We used to just have "WRITE_DAC_ACCESS" without WRITE_OWNER.
1035 But if we're sending an owner, even if it's the same as the one
1036 that already exists then W2K3 insists we open with WRITE_OWNER access.
1037 I need to check that setting a SD with no owner set works against WNT
1038 and W2K. JRA.
1039 */
1040
1041 sd = make_sec_desc(talloc_tos(),old->revision, old->type,
1042 old->owner_sid, old->group_sid,
1043 NULL, old->dacl, &sd_size);
1044
1045 if (!set_secdesc(cli, filename, sd)) {
1046 result = EXIT_FAILED;
1047 }
1048
1049 return result;
1050 }
1051
1052 /*****************************************************
1053 set the inherit on a file
1054 *******************************************************/
1055 static int inherit(struct cli_state *cli, const char *filename,
1056 const char *type)
1057 {
1058 struct security_descriptor *old,*sd;
1059 uint32 oldattr;
1060 size_t sd_size;
1061 int result = EXIT_OK;
1062
1063 old = get_secdesc(cli, filename);
1064
1065 if (!old) {
1066 return EXIT_FAILED;
1067 }
1068
1069 oldattr = get_fileinfo(cli,filename);
1070
1071 if (strcmp(type,"allow")==0) {
1072 if ((old->type & SEC_DESC_DACL_PROTECTED) ==
1073 SEC_DESC_DACL_PROTECTED) {
1074 int i;
1075 char *parentname,*temp;
1076 struct security_descriptor *parent;
1077 temp = talloc_strdup(talloc_tos(), filename);
1078
1079 old->type=old->type & (~SEC_DESC_DACL_PROTECTED);
1080
1081 /* look at parent and copy in all its inheritable ACL's. */
1082 string_replace(temp, '\\', '/');
1083 if (!parent_dirname(talloc_tos(),temp,&parentname,NULL)) {
1084 return EXIT_FAILED;
1085 }
1086 string_replace(parentname, '/', '\\');
1087 parent = get_secdesc(cli,parentname);
1088 if (parent == NULL) {
1089 return EXIT_FAILED;
1090 }
1091 for (i=0;i<parent->dacl->num_aces;i++) {
1092 struct security_ace *ace=&parent->dacl->aces[i];
1093 /* Add inherited flag to all aces */
1094 ace->flags=ace->flags|
1095 SEC_ACE_FLAG_INHERITED_ACE;
1096 if ((oldattr & FILE_ATTRIBUTE_DIRECTORY) == FILE_ATTRIBUTE_DIRECTORY) {
1097 if ((ace->flags & SEC_ACE_FLAG_CONTAINER_INHERIT) ==
1098 SEC_ACE_FLAG_CONTAINER_INHERIT) {
1099 add_ace(&old->dacl, ace);
1100 }
1101 } else {
1102 if ((ace->flags & SEC_ACE_FLAG_OBJECT_INHERIT) ==
1103 SEC_ACE_FLAG_OBJECT_INHERIT) {
1104 /* clear flags for files */
1105 ace->flags=0;
1106 add_ace(&old->dacl, ace);
1107 }
1108 }
1109 }
1110 } else {
1111 printf("Already set to inheritable permissions.\n");
1112 return EXIT_FAILED;
1113 }
1114 } else if (strcmp(type,"remove")==0) {
1115 if ((old->type & SEC_DESC_DACL_PROTECTED) !=
1116 SEC_DESC_DACL_PROTECTED) {
1117 old->type=old->type | SEC_DESC_DACL_PROTECTED;
1118
1119 /* remove all inherited ACL's. */
1120 if (old->dacl) {
1121 int i;
1122 struct security_acl *temp=old->dacl;
1123 old->dacl=make_sec_acl(talloc_tos(), 3, 0, NULL);
1124 for (i=temp->num_aces-1;i>=0;i--) {
1125 struct security_ace *ace=&temp->aces[i];
1126 /* Remove all ace with INHERITED flag set */
1127 if ((ace->flags & SEC_ACE_FLAG_INHERITED_ACE) !=
1128 SEC_ACE_FLAG_INHERITED_ACE) {
1129 add_ace(&old->dacl,ace);
1130 }
1131 }
1132 }
1133 } else {
1134 printf("Already set to no inheritable permissions.\n");
1135 return EXIT_FAILED;
1136 }
1137 } else if (strcmp(type,"copy")==0) {
1138 if ((old->type & SEC_DESC_DACL_PROTECTED) !=
1139 SEC_DESC_DACL_PROTECTED) {
1140 old->type=old->type | SEC_DESC_DACL_PROTECTED;
1141
1142 /* convert all inherited ACL's to non inherated ACL's. */
1143 if (old->dacl) {
1144 int i;
1145 for (i=0;i<old->dacl->num_aces;i++) {
1146 struct security_ace *ace=&old->dacl->aces[i];
1147 /* Remove INHERITED FLAG from all aces */
1148 ace->flags=ace->flags&(~SEC_ACE_FLAG_INHERITED_ACE);
1149 }
1150 }
1151 } else {
1152 printf("Already set to no inheritable permissions.\n");
1153 return EXIT_FAILED;
1154 }
1155 }
1156
1157 /* Denied ACE entries must come before allowed ones */
1158 sort_acl(old->dacl);
1159
1160 sd = make_sec_desc(talloc_tos(),old->revision, old->type,
1161 old->owner_sid, old->group_sid,
1162 NULL, old->dacl, &sd_size);
1163
1164 if (!set_secdesc(cli, filename, sd)) {
1165 result = EXIT_FAILED;
1166 }
1167
1168 return result;
1169 }
1170
1171 /*****************************************************
1172 Return a connection to a server.
1173 *******************************************************/
1174 static struct cli_state *connect_one(struct user_auth_info *auth_info,
1175 const char *server, const char *share)
1176 {
1177 struct cli_state *c = NULL;
1178 NTSTATUS nt_status;
1179 uint32_t flags = 0;
1180
1181 if (get_cmdline_auth_info_use_kerberos(auth_info)) {
1182 flags |= CLI_FULL_CONNECTION_USE_KERBEROS |
1183 CLI_FULL_CONNECTION_FALLBACK_AFTER_KERBEROS;
1184 }
1185
1186 if (get_cmdline_auth_info_use_machine_account(auth_info) &&
1187 !set_cmdline_auth_info_machine_account_creds(auth_info)) {
1188 return NULL;
1189 }
1190
1191 set_cmdline_auth_info_getpass(auth_info);
1192
1193 nt_status = cli_full_connection(&c, lp_netbios_name(), server,
1194 NULL, 0,
1195 share, "?????",
1196 get_cmdline_auth_info_username(auth_info),
1197 lp_workgroup(),
1198 get_cmdline_auth_info_password(auth_info),
1199 flags,
1200 get_cmdline_auth_info_signing_state(auth_info));
1201 if (!NT_STATUS_IS_OK(nt_status)) {
1202 DEBUG(0,("cli_full_connection failed! (%s)\n", nt_errstr(nt_status)));
1203 return NULL;
1204 }
1205
1206 if (get_cmdline_auth_info_smb_encrypt(auth_info)) {
1207 nt_status = cli_cm_force_encryption(c,
1208 get_cmdline_auth_info_username(auth_info),
1209 get_cmdline_auth_info_password(auth_info),
1210 lp_workgroup(),
1211 share);
1212 if (!NT_STATUS_IS_OK(nt_status)) {
1213 cli_shutdown(c);
1214 c = NULL;
1215 }
1216 }
1217
1218 return c;
1219 }
1220
1221 /****************************************************************************
1222 main program
1223 ****************************************************************************/
1224 int main(int argc, const char *argv[])
1225 {
1226 char *share;
1227 int opt;
1228 enum acl_mode mode = SMB_ACL_SET;
1229 static char *the_acl = NULL;
1230 enum chown_mode change_mode = REQUEST_NONE;
1231 int result;
1232 char *path;
1233 char *filename = NULL;
1234 poptContext pc;
1235 struct poptOption long_options[] = {
1236 POPT_AUTOHELP
1237 { "delete", 'D', POPT_ARG_STRING, NULL, 'D', "Delete an acl", "ACL" },
1238 { "modify", 'M', POPT_ARG_STRING, NULL, 'M', "Modify an acl", "ACL" },
1239 { "add", 'a', POPT_ARG_STRING, NULL, 'a', "Add an acl", "ACL" },
1240 { "set", 'S', POPT_ARG_STRING, NULL, 'S', "Set acls", "ACLS" },
1241 { "chown", 'C', POPT_ARG_STRING, NULL, 'C', "Change ownership of a file", "USERNAME" },
1242 { "chgrp", 'G', POPT_ARG_STRING, NULL, 'G', "Change group ownership of a file", "GROUPNAME" },
1243 { "inherit", 'I', POPT_ARG_STRING, NULL, 'I', "Inherit allow|remove|copy" },
1244 { "numeric", 0, POPT_ARG_NONE, &numeric, 1, "Don't resolve sids or masks to names" },
1245 { "sddl", 0, POPT_ARG_NONE, &sddl, 1, "Output and input acls in sddl format" },
1246 { "test-args", 't', POPT_ARG_NONE, &test_args, 1, "Test arguments"},
1247 POPT_COMMON_SAMBA
1248 POPT_COMMON_CONNECTION
1249 POPT_COMMON_CREDENTIALS
1250 POPT_TABLEEND
1251 };
1252
1253 struct cli_state *cli;
1254 TALLOC_CTX *frame = talloc_stackframe();
1255 const char *owner_username = "";
1256 char *server;
1257 struct user_auth_info *auth_info;
1258
1259 load_case_tables();
1260
1261 /* set default debug level to 1 regardless of what smb.conf sets */
1262 setup_logging( "smbcacls", DEBUG_STDERR);
1263 lp_set_cmdline("log level", "1");
1264
1265 setlinebuf(stdout);
1266
1267 lp_load_global(get_dyn_CONFIGFILE());
1268 load_interfaces();
1269
1270 auth_info = user_auth_info_init(frame);
1271 if (auth_info == NULL) {
1272 exit(1);
1273 }
1274 popt_common_set_auth_info(auth_info);
1275
1276 pc = poptGetContext("smbcacls", argc, argv, long_options, 0);
1277
1278 poptSetOtherOptionHelp(pc, "//server1/share1 filename\nACLs look like: "
1279 "'ACL:user:[ALLOWED|DENIED]/flags/permissions'");
1280
1281 while ((opt = poptGetNextOpt(pc)) != -1) {
1282 switch (opt) {
1283 case 'S':
1284 the_acl = smb_xstrdup(poptGetOptArg(pc));
1285 mode = SMB_ACL_SET;
1286 break;
1287
1288 case 'D':
1289 the_acl = smb_xstrdup(poptGetOptArg(pc));
1290 mode = SMB_ACL_DELETE;
1291 break;
1292
1293 case 'M':
1294 the_acl = smb_xstrdup(poptGetOptArg(pc));
1295 mode = SMB_ACL_MODIFY;
1296 break;
1297
1298 case 'a':
1299 the_acl = smb_xstrdup(poptGetOptArg(pc));
1300 mode = SMB_ACL_ADD;
1301 break;
1302
1303 case 'C':
1304 owner_username = poptGetOptArg(pc);
1305 change_mode = REQUEST_CHOWN;
1306 break;
1307
1308 case 'G':
1309 owner_username = poptGetOptArg(pc);
1310 change_mode = REQUEST_CHGRP;
1311 break;
1312
1313 case 'I':
1314 owner_username = poptGetOptArg(pc);
1315 change_mode = REQUEST_INHERIT;
1316 break;
1317 }
1318 }
1319
1320 /* Make connection to server */
1321 if(!poptPeekArg(pc)) {
1322 poptPrintUsage(pc, stderr, 0);
1323 return -1;
1324 }
1325
1326 path = talloc_strdup(frame, poptGetArg(pc));
1327 if (!path) {
1328 return -1;
1329 }
1330
1331 if(!poptPeekArg(pc)) {
1332 poptPrintUsage(pc, stderr, 0);
1333 return -1;
1334 }
1335
1336 filename = talloc_strdup(frame, poptGetArg(pc));
1337 if (!filename) {
1338 return -1;
1339 }
1340
1341 string_replace(path,'/','\\');
1342
1343 server = talloc_strdup(frame, path+2);
1344 if (!server) {
1345 return -1;
1346 }
1347 share = strchr_m(server,'\\');
1348 if (!share) {
1349 printf("Invalid argument: %s\n", share);
1350 return -1;
1351 }
1352
1353 *share = 0;
1354 share++;
1355
1356 if (!test_args) {
1357 cli = connect_one(auth_info, server, share);
1358 if (!cli) {
1359 exit(EXIT_FAILED);
1360 }
1361 } else {
1362 exit(0);
1363 }
1364
1365 string_replace(filename, '/', '\\');
1366 if (filename[0] != '\\') {
1367 filename = talloc_asprintf(frame,
1368 "\\%s",
1369 filename);
1370 if (!filename) {
1371 return -1;
1372 }
1373 }
1374
1375 /* Perform requested action */
1376
1377 if (change_mode == REQUEST_INHERIT) {
1378 result = inherit(cli, filename, owner_username);
1379 } else if (change_mode != REQUEST_NONE) {
1380 result = owner_set(cli, change_mode, filename, owner_username);
1381 } else if (the_acl) {
1382 result = cacl_set(cli, filename, the_acl, mode);
1383 } else {
1384 result = cacl_dump(cli, filename);
1385 }
1386
1387 TALLOC_FREE(frame);
1388
1389 return result;
1390 }
reg import