summaryrefslogtreecommitdiff
path: root/source3/utils/smbcacls.c
blob: 45177a9868b79ef3730c150f04e0aabc08c52c6f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
/* 
   Unix SMB/CIFS implementation.
   ACL get/set utility
   
   Copyright (C) Andrew Tridgell 2000
   Copyright (C) Tim Potter      2000
   Copyright (C) Jeremy Allison  2000
   Copyright (C) Jelmer Vernooij 2003
   
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.
   
   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
   
   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#include "includes.h"

static int test_args = False;

#define CREATE_ACCESS_READ READ_CONTROL_ACCESS

/* numeric is set when the user wants numeric SIDs and ACEs rather
   than going via LSA calls to resolve them */
static int numeric = False;

enum acl_mode {SMB_ACL_SET, SMB_ACL_DELETE, SMB_ACL_MODIFY, SMB_ACL_ADD };
enum chown_mode {REQUEST_NONE, REQUEST_CHOWN, REQUEST_CHGRP};
enum exit_values {EXIT_OK, EXIT_FAILED, EXIT_PARSE_ERROR};

struct perm_value {
	const char *perm;
	uint32 mask;
};

/* These values discovered by inspection */

static const struct perm_value special_values[] = {
	{ "R", 0x00120089 },
	{ "W", 0x00120116 },
	{ "X", 0x001200a0 },
	{ "D", 0x00010000 },
	{ "P", 0x00040000 },
	{ "O", 0x00080000 },
	{ NULL, 0 },
};

static const struct perm_value standard_values[] = {
	{ "READ",   0x001200a9 },
	{ "CHANGE", 0x001301bf },
	{ "FULL",   0x001f01ff },
	{ NULL, 0 },
};

/* Open cli connection and policy handle */

static NTSTATUS cli_lsa_lookup_sid(struct cli_state *cli,
				   const DOM_SID *sid,
				   TALLOC_CTX *mem_ctx,
				   enum lsa_SidType *type,
				   char **domain, char **name)
{
	uint16 orig_cnum = cli->cnum;
	struct rpc_pipe_client *p;
	struct policy_handle handle;
	NTSTATUS status;
	TALLOC_CTX *frame = talloc_stackframe();
	enum lsa_SidType *types;
	char **domains;
	char **names;

	if (!cli_send_tconX(cli, "IPC$", "?????", "", 0)) {
		return cli_nt_error(cli);
	}

	p = cli_rpc_pipe_open_noauth(cli, PI_LSARPC, &status);
	if (p == NULL) {
		goto fail;
	}

	status = rpccli_lsa_open_policy(p, talloc_tos(), True,
					GENERIC_EXECUTE_ACCESS, &handle);
	if (!NT_STATUS_IS_OK(status)) {
		goto fail;
	}

	status = rpccli_lsa_lookup_sids(p, talloc_tos(), &handle, 1, sid,
					&domains, &names, &types);
	if (!NT_STATUS_IS_OK(status)) {
		goto fail;
	}

	*type = types[0];
	*domain = talloc_move(mem_ctx, &domains[0]);
	*name = talloc_move(mem_ctx, &names[0]);

	status = NT_STATUS_OK;
 fail:
	if (p != NULL) {
		cli_rpc_pipe_close(p);
	}
	cli_tdis(cli);
	cli->cnum = orig_cnum;
	TALLOC_FREE(frame);
	return status;
}

static NTSTATUS cli_lsa_lookup_name(struct cli_state *cli,
				    const char *name,
				    enum lsa_SidType *type,
				    DOM_SID *sid)
{
	uint16 orig_cnum = cli->cnum;
	struct rpc_pipe_client *p;
	struct policy_handle handle;
	NTSTATUS status;
	TALLOC_CTX *frame = talloc_stackframe();
	DOM_SID *sids;
	enum lsa_SidType *types;

	if (!cli_send_tconX(cli, "IPC$", "?????", "", 0)) {
		return cli_nt_error(cli);
	}

	p = cli_rpc_pipe_open_noauth(cli, PI_LSARPC, &status);
	if (p == NULL) {
		goto fail;
	}

	status = rpccli_lsa_open_policy(p, talloc_tos(), True,
					GENERIC_EXECUTE_ACCESS, &handle);
	if (!NT_STATUS_IS_OK(status)) {
		goto fail;
	}

	status = rpccli_lsa_lookup_names(p, talloc_tos(), &handle, 1, &name,
					 NULL, 1, &sids, &types);
	if (!NT_STATUS_IS_OK(status)) {
		goto fail;
	}

	*type = types[0];
	*sid = sids[0];

	status = NT_STATUS_OK;
 fail:
	if (p != NULL) {
		cli_rpc_pipe_close(p);
	}
	cli_tdis(cli);
	cli->cnum = orig_cnum;
	TALLOC_FREE(frame);
	return status;
}

/* convert a SID to a string, either numeric or username/group */
static void SidToString(struct cli_state *cli, fstring str, const DOM_SID *sid)
{
	char *domain = NULL;
	char *name = NULL;
	enum lsa_SidType type;
	NTSTATUS status;

	sid_to_string(str, sid);

	if (numeric) {
		return;
	}

	status = cli_lsa_lookup_sid(cli, sid, talloc_tos(), &type,
				    &domain, &name);

	if (!NT_STATUS_IS_OK(status)) {
		return;
	}

	slprintf(str, sizeof(fstring) - 1, "%s%s%s",
		 domain, lp_winbind_separator(), name);
	
}

/* convert a string to a SID, either numeric or username/group */
static bool StringToSid(struct cli_state *cli, DOM_SID *sid, const char *str)
{
	enum lsa_SidType type;

	if (strncmp(str, "S-", 2) == 0) {
		return string_to_sid(sid, str);
	}

	return NT_STATUS_IS_OK(cli_lsa_lookup_name(cli, str, &type, sid));
}


/* print an ACE on a FILE, using either numeric or ascii representation */
static void print_ace(struct cli_state *cli, FILE *f, SEC_ACE *ace)
{
	const struct perm_value *v;
	fstring sidstr;
	int do_print = 0;
	uint32 got_mask;

	SidToString(cli, sidstr, &ace->trustee);

	fprintf(f, "%s:", sidstr);

	if (numeric) {
		fprintf(f, "%d/%d/0x%08x", 
			ace->type, ace->flags, ace->access_mask);
		return;
	}

	/* Ace type */

	if (ace->type == SEC_ACE_TYPE_ACCESS_ALLOWED) {
		fprintf(f, "ALLOWED");
	} else if (ace->type == SEC_ACE_TYPE_ACCESS_DENIED) {
		fprintf(f, "DENIED");
	} else {
		fprintf(f, "%d", ace->type);
	}

	/* Not sure what flags can be set in a file ACL */

	fprintf(f, "/%d/", ace->flags);

	/* Standard permissions */

	for (v = standard_values; v->perm; v++) {
		if (ace->access_mask == v->mask) {
			fprintf(f, "%s", v->perm);
			return;
		}
	}

	/* Special permissions.  Print out a hex value if we have
	   leftover bits in the mask. */

	got_mask = ace->access_mask;

 again:
	for (v = special_values; v->perm; v++) {
		if ((ace->access_mask & v->mask) == v->mask) {
			if (do_print) {
				fprintf(f, "%s", v->perm);
			}
			got_mask &= ~v->mask;
		}
	}

	if (!do_print) {
		if (got_mask != 0) {
			fprintf(f, "0x%08x", ace->access_mask);
		} else {
			do_print = 1;
			goto again;
		}
	}
}


/* parse an ACE in the same format as print_ace() */
static bool parse_ace(struct cli_state *cli, SEC_ACE *ace,
		      const char *orig_str)
{
	char *p;
	const char *cp;
	fstring tok;
	unsigned int atype = 0;
	unsigned int aflags = 0;
	unsigned int amask = 0;
	DOM_SID sid;
	SEC_ACCESS mask;
	const struct perm_value *v;
	char *str = SMB_STRDUP(orig_str);

	if (!str) {
		return False;
	}

	ZERO_STRUCTP(ace);
	p = strchr_m(str,':');
	if (!p) {
		printf("ACE '%s': missing ':'.\n", orig_str);
		SAFE_FREE(str);
		return False;
	}
	*p = '\0';
	p++;
	/* Try to parse numeric form */

	if (sscanf(p, "%i/%i/%i", &atype, &aflags, &amask) == 3 &&
	    StringToSid(cli, &sid, str)) {
		goto done;
	}

	/* Try to parse text form */

	if (!StringToSid(cli, &sid, str)) {
		printf("ACE '%s': failed to convert '%s' to SID\n",
			orig_str, str);
		SAFE_FREE(str);
		return False;
	}

	cp = p;
	if (!next_token(&cp, tok, "/", sizeof(fstring))) {
		printf("ACE '%s': failed to find '/' character.\n",
			orig_str);
		SAFE_FREE(str);
		return False;
	}

	if (strncmp(tok, "ALLOWED", strlen("ALLOWED")) == 0) {
		atype = SEC_ACE_TYPE_ACCESS_ALLOWED;
	} else if (strncmp(tok, "DENIED", strlen("DENIED")) == 0) {
		atype = SEC_ACE_TYPE_ACCESS_DENIED;
	} else {
		printf("ACE '%s': missing 'ALLOWED' or 'DENIED' entry at '%s'\n",
			orig_str, tok);
		SAFE_FREE(str);
		return False;
	}

	/* Only numeric form accepted for flags at present */

	if (!(next_token(&cp, tok, "/", sizeof(fstring)) &&
	      sscanf(tok, "%i", &aflags))) {
		printf("ACE '%s': bad integer flags entry at '%s'\n",
			orig_str, tok);
		SAFE_FREE(str);
		return False;
	}

	if (!next_token(&cp, tok, "/", sizeof(fstring))) {
		printf("ACE '%s': missing / at '%s'\n",
			orig_str, tok);
		SAFE_FREE(str);
		return False;
	}

	if (strncmp(tok, "0x", 2) == 0) {
		if (sscanf(tok, "%i", &amask) != 1) {
			printf("ACE '%s': bad hex number at '%s'\n",
				orig_str, tok);
			SAFE_FREE(str);
			return False;
		}
		goto done;
	}

	for (v = standard_values; v->perm; v++) {
		if (strcmp(tok, v->perm) == 0) {
			amask = v->mask;
			goto done;
		}
	}

	p = tok;

	while(*p) {
		bool found = False;

		for (v = special_values; v->perm; v++) {
			if (v->perm[0] == *p) {
				amask |= v->mask;
				found = True;
			}
		}

		if (!found) {
			printf("ACE '%s': bad permission value at '%s'\n",
				orig_str, p);
			SAFE_FREE(str);
		 	return False;
		}
		p++;
	}

	if (*p) {
		SAFE_FREE(str);
		return False;
	}

 done:
	mask = amask;
	init_sec_ace(ace, &sid, atype, mask, aflags);
	SAFE_FREE(str);
	return True;
}

/* add an ACE to a list of ACEs in a SEC_ACL */
static bool add_ace(SEC_ACL **the_acl, SEC_ACE *ace)
{
	SEC_ACL *new_ace;
	SEC_ACE *aces;
	if (! *the_acl) {
		return (((*the_acl) = make_sec_acl(talloc_tos(), 3, 1, ace))
			!= NULL);
	}

	if (!(aces = SMB_CALLOC_ARRAY(SEC_ACE, 1+(*the_acl)->num_aces))) {
		return False;
	}
	memcpy(aces, (*the_acl)->aces, (*the_acl)->num_aces * sizeof(SEC_ACE));
	memcpy(aces+(*the_acl)->num_aces, ace, sizeof(SEC_ACE));
	new_ace = make_sec_acl(talloc_tos(),(*the_acl)->revision,1+(*the_acl)->num_aces, aces);
	SAFE_FREE(aces);
	(*the_acl) = new_ace;
	return True;
}

/* parse a ascii version of a security descriptor */
static SEC_DESC *sec_desc_parse(struct cli_state *cli, char *str)
{
	const char *p = str;
	fstring tok;
	SEC_DESC *ret = NULL;
	size_t sd_size;
	DOM_SID *grp_sid=NULL, *owner_sid=NULL;
	SEC_ACL *dacl=NULL;
	int revision=1;

	while (next_token(&p, tok, "\t,\r\n", sizeof(tok))) {

		if (strncmp(tok,"REVISION:", 9) == 0) {
			revision = strtol(tok+9, NULL, 16);
			continue;
		}

		if (strncmp(tok,"OWNER:", 6) == 0) {
			if (owner_sid) {
				printf("Only specify owner once\n");
				goto done;
			}
			owner_sid = SMB_CALLOC_ARRAY(DOM_SID, 1);
			if (!owner_sid ||
			    !StringToSid(cli, owner_sid, tok+6)) {
				printf("Failed to parse owner sid\n");
				goto done;
			}
			continue;
		}

		if (strncmp(tok,"GROUP:", 6) == 0) {
			if (grp_sid) {
				printf("Only specify group once\n");
				goto done;
			}
			grp_sid = SMB_CALLOC_ARRAY(DOM_SID, 1);
			if (!grp_sid ||
			    !StringToSid(cli, grp_sid, tok+6)) {
				printf("Failed to parse group sid\n");
				goto done;
			}
			continue;
		}

		if (strncmp(tok,"ACL:", 4) == 0) {
			SEC_ACE ace;
			if (!parse_ace(cli, &ace, tok+4)) {
				goto done;
			}
			if(!add_ace(&dacl, &ace)) {
				printf("Failed to add ACL %s\n", tok);
				goto done;
			}
			continue;
		}

		printf("Failed to parse token '%s' in security descriptor,\n", tok);
		goto done;
	}

	ret = make_sec_desc(talloc_tos(),revision, SEC_DESC_SELF_RELATIVE, owner_sid, grp_sid,
			    NULL, dacl, &sd_size);

  done:
	SAFE_FREE(grp_sid);
	SAFE_FREE(owner_sid);

	return ret;
}


/* print a ascii version of a security descriptor on a FILE handle */
static void sec_desc_print(struct cli_state *cli, FILE *f, SEC_DESC *sd)
{
	fstring sidstr;
	uint32 i;

	fprintf(f, "REVISION:%d\n", sd->revision);

	/* Print owner and group sid */

	if (sd->owner_sid) {
		SidToString(cli, sidstr, sd->owner_sid);
	} else {
		fstrcpy(sidstr, "");
	}

	fprintf(f, "OWNER:%s\n", sidstr);

	if (sd->group_sid) {
		SidToString(cli, sidstr, sd->group_sid);
	} else {
		fstrcpy(sidstr, "");
	}

	fprintf(f, "GROUP:%s\n", sidstr);

	/* Print aces */
	for (i = 0; sd->dacl && i < sd->dacl->num_aces; i++) {
		SEC_ACE *ace = &sd->dacl->aces[i];
		fprintf(f, "ACL:");
		print_ace(cli, f, ace);
		fprintf(f, "\n");
	}

}

/***************************************************** 
dump the acls for a file
*******************************************************/
static int cacl_dump(struct cli_state *cli, char *filename)
{
	int result = EXIT_FAILED;
	int fnum = -1;
	SEC_DESC *sd;

	if (test_args) 
		return EXIT_OK;

	fnum = cli_nt_create(cli, filename, CREATE_ACCESS_READ);

	if (fnum == -1) {
		printf("Failed to open %s: %s\n", filename, cli_errstr(cli));
		goto done;
	}

	sd = cli_query_secdesc(cli, fnum, talloc_tos());

	if (!sd) {
		printf("ERROR: secdesc query failed: %s\n", cli_errstr(cli));
		goto done;
	}

	sec_desc_print(cli, stdout, sd);

	result = EXIT_OK;

done:
	if (fnum != -1)
		cli_close(cli, fnum);

	return result;
}

/***************************************************** 
Change the ownership or group ownership of a file. Just
because the NT docs say this can't be done :-). JRA.
*******************************************************/

static int owner_set(struct cli_state *cli, enum chown_mode change_mode, 
		     char *filename, char *new_username)
{
	int fnum;
	DOM_SID sid;
	SEC_DESC *sd, *old;
	size_t sd_size;

	fnum = cli_nt_create(cli, filename, CREATE_ACCESS_READ);

	if (fnum == -1) {
		printf("Failed to open %s: %s\n", filename, cli_errstr(cli));
		return EXIT_FAILED;
	}

	if (!StringToSid(cli, &sid, new_username))
		return EXIT_PARSE_ERROR;

	old = cli_query_secdesc(cli, fnum, talloc_tos());

	cli_close(cli, fnum);

	if (!old) {
		printf("owner_set: Failed to query old descriptor\n");
		return EXIT_FAILED;
	}

	sd = make_sec_desc(talloc_tos(),old->revision, old->type,
				(change_mode == REQUEST_CHOWN) ? &sid : NULL,
				(change_mode == REQUEST_CHGRP) ? &sid : NULL,
			   NULL, NULL, &sd_size);

	fnum = cli_nt_create(cli, filename, WRITE_OWNER_ACCESS);

	if (fnum == -1) {
		printf("Failed to open %s: %s\n", filename, cli_errstr(cli));
		return EXIT_FAILED;
	}

	if (!cli_set_secdesc(cli, fnum, sd)) {
		printf("ERROR: secdesc set failed: %s\n", cli_errstr(cli));
	}

	cli_close(cli, fnum);

	return EXIT_OK;
}


/* The MSDN is contradictory over the ordering of ACE entries in an ACL.
   However NT4 gives a "The information may have been modified by a
   computer running Windows NT 5.0" if denied ACEs do not appear before
   allowed ACEs. */

static int ace_compare(SEC_ACE *ace1, SEC_ACE *ace2)
{
	if (sec_ace_equal(ace1, ace2)) 
		return 0;

	if (ace1->type != ace2->type) 
		return ace2->type - ace1->type;

	if (sid_compare(&ace1->trustee, &ace2->trustee)) 
		return sid_compare(&ace1->trustee, &ace2->trustee);

	if (ace1->flags != ace2->flags) 
		return ace1->flags - ace2->flags;

	if (ace1->access_mask != ace2->access_mask) 
		return ace1->access_mask - ace2->access_mask;

	if (ace1->size != ace2->size) 
		return ace1->size - ace2->size;

	return memcmp(ace1, ace2, sizeof(SEC_ACE));
}

static void sort_acl(SEC_ACL *the_acl)
{
	uint32 i;
	if (!the_acl) return;

	qsort(the_acl->aces, the_acl->num_aces, sizeof(the_acl->aces[0]), QSORT_CAST ace_compare);

	for (i=1;i<the_acl->num_aces;) {
		if (sec_ace_equal(&the_acl->aces[i-1], &the_acl->aces[i])) {
			int j;
			for (j=i; j<the_acl->num_aces-1; j++) {
				the_acl->aces[j] = the_acl->aces[j+1];
			}
			the_acl->num_aces--;
		} else {
			i++;
		}
	}
}

/***************************************************** 
set the ACLs on a file given an ascii description
*******************************************************/
static int cacl_set(struct cli_state *cli, char *filename, 
		    char *the_acl, enum acl_mode mode)
{
	int fnum;
	SEC_DESC *sd, *old;
	uint32 i, j;
	size_t sd_size;
	int result = EXIT_OK;

	sd = sec_desc_parse(cli, the_acl);

	if (!sd) return EXIT_PARSE_ERROR;
	if (test_args) return EXIT_OK;

	/* The desired access below is the only one I could find that works
	   with NT4, W2KP and Samba */

	fnum = cli_nt_create(cli, filename, CREATE_ACCESS_READ);

	if (fnum == -1) {
		printf("cacl_set failed to open %s: %s\n", filename, cli_errstr(cli));
		return EXIT_FAILED;
	}

	old = cli_query_secdesc(cli, fnum, talloc_tos());

	if (!old) {
		printf("calc_set: Failed to query old descriptor\n");
		return EXIT_FAILED;
	}

	cli_close(cli, fnum);

	/* the logic here is rather more complex than I would like */
	switch (mode) {
	case SMB_ACL_DELETE:
		for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
			bool found = False;

			for (j=0;old->dacl && j<old->dacl->num_aces;j++) {
				if (sec_ace_equal(&sd->dacl->aces[i],
						  &old->dacl->aces[j])) {
					uint32 k;
					for (k=j; k<old->dacl->num_aces-1;k++) {
						old->dacl->aces[k] = old->dacl->aces[k+1];
					}
					old->dacl->num_aces--;
					found = True;
					break;
				}
			}

			if (!found) {
				printf("ACL for ACE:"); 
				print_ace(cli, stdout, &sd->dacl->aces[i]);
				printf(" not found\n");
			}
		}
		break;

	case SMB_ACL_MODIFY:
		for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
			bool found = False;

			for (j=0;old->dacl && j<old->dacl->num_aces;j++) {
				if (sid_equal(&sd->dacl->aces[i].trustee,
					      &old->dacl->aces[j].trustee)) {
					old->dacl->aces[j] = sd->dacl->aces[i];
					found = True;
				}
			}

			if (!found) {
				fstring str;

				SidToString(cli, str,
					    &sd->dacl->aces[i].trustee);
				printf("ACL for SID %s not found\n", str);
			}
		}

		if (sd->owner_sid) {
			old->owner_sid = sd->owner_sid;
		}

		if (sd->group_sid) { 
			old->group_sid = sd->group_sid;
		}

		break;

	case SMB_ACL_ADD:
		for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
			add_ace(&old->dacl, &sd->dacl->aces[i]);
		}
		break;

	case SMB_ACL_SET:
 		old = sd;
		break;
	}

	/* Denied ACE entries must come before allowed ones */
	sort_acl(old->dacl);

	/* Create new security descriptor and set it */

	/* We used to just have "WRITE_DAC_ACCESS" without WRITE_OWNER.
	   But if we're sending an owner, even if it's the same as the one
	   that already exists then W2K3 insists we open with WRITE_OWNER access.
	   I need to check that setting a SD with no owner set works against WNT
	   and W2K. JRA.
	*/

	sd = make_sec_desc(talloc_tos(),old->revision, old->type,
			   old->owner_sid, old->group_sid,
			   NULL, old->dacl, &sd_size);

	fnum = cli_nt_create(cli, filename, WRITE_DAC_ACCESS|WRITE_OWNER_ACCESS);

	if (fnum == -1) {
		printf("cacl_set failed to open %s: %s\n", filename, cli_errstr(cli));
		return EXIT_FAILED;
	}

	if (!cli_set_secdesc(cli, fnum, sd)) {
		printf("ERROR: secdesc set failed: %s\n", cli_errstr(cli));
		result = EXIT_FAILED;
	}

	/* Clean up */

	cli_close(cli, fnum);

	return result;
}


/*****************************************************
 Return a connection to a server.
*******************************************************/
static struct cli_state *connect_one(const char *server, const char *share)
{
	struct cli_state *c;
	struct sockaddr_storage ss;
	NTSTATUS nt_status;
	zero_addr(&ss);

	if (!cmdline_auth_info.got_pass) {
		char *pass = getpass("Password: ");
		if (pass) {
			pstrcpy(cmdline_auth_info.password, pass);
			cmdline_auth_info.got_pass = True;
		}
	}

	if (NT_STATUS_IS_OK(nt_status = cli_full_connection(&c, global_myname(), server, 
							    &ss, 0,
							    share, "?????",
							    cmdline_auth_info.username, lp_workgroup(),
							    cmdline_auth_info.password, 0,
							    cmdline_auth_info.signing_state, NULL))) {
		return c;
	} else {
		DEBUG(0,("cli_full_connection failed! (%s)\n", nt_errstr(nt_status)));
		return NULL;
	}
}

/****************************************************************************
  main program
****************************************************************************/
 int main(int argc, const char *argv[])
{
	char *share;
	int opt;
	enum acl_mode mode = SMB_ACL_SET;
	static char *the_acl = NULL;
	enum chown_mode change_mode = REQUEST_NONE;
	int result;
	fstring path;
	pstring filename;
	poptContext pc;
	struct poptOption long_options[] = {
		POPT_AUTOHELP
		{ "delete", 'D', POPT_ARG_STRING, NULL, 'D', "Delete an acl", "ACL" },
		{ "modify", 'M', POPT_ARG_STRING, NULL, 'M', "Modify an acl", "ACL" },
		{ "add", 'a', POPT_ARG_STRING, NULL, 'a', "Add an acl", "ACL" },
		{ "set", 'S', POPT_ARG_STRING, NULL, 'S', "Set acls", "ACLS" },
		{ "chown", 'C', POPT_ARG_STRING, NULL, 'C', "Change ownership of a file", "USERNAME" },
		{ "chgrp", 'G', POPT_ARG_STRING, NULL, 'G', "Change group ownership of a file", "GROUPNAME" },
		{ "numeric", 0, POPT_ARG_NONE, &numeric, True, "Don't resolve sids or masks to names" },
		{ "test-args", 't', POPT_ARG_NONE, &test_args, True, "Test arguments"},
		POPT_COMMON_SAMBA
		POPT_COMMON_CREDENTIALS
		{ NULL }
	};

	struct cli_state *cli;
	TALLOC_CTX *frame;
	pstring owner_username;
	fstring server;

	owner_username[0] = '\0';

	load_case_tables();

	frame = talloc_stackframe();

	/* set default debug level to 1 regardless of what smb.conf sets */
	setup_logging( "smbcacls", True );
	DEBUGLEVEL_CLASS[DBGC_ALL] = 1;
	dbf = x_stderr;
	x_setbuf( x_stderr, NULL );

	setlinebuf(stdout);

	lp_load(dyn_CONFIGFILE,True,False,False,True);
	load_interfaces();

	pc = poptGetContext("smbcacls", argc, argv, long_options, 0);
	
	poptSetOtherOptionHelp(pc, "//server1/share1 filename\nACLs look like: "
		"'ACL:user:[ALLOWED|DENIED]/flags/permissions'");

	while ((opt = poptGetNextOpt(pc)) != -1) {
		switch (opt) {
		case 'S':
			the_acl = smb_xstrdup(poptGetOptArg(pc));
			mode = SMB_ACL_SET;
			break;

		case 'D':
			the_acl = smb_xstrdup(poptGetOptArg(pc));
			mode = SMB_ACL_DELETE;
			break;

		case 'M':
			the_acl = smb_xstrdup(poptGetOptArg(pc));
			mode = SMB_ACL_MODIFY;
			break;

		case 'a':
			the_acl = smb_xstrdup(poptGetOptArg(pc));
			mode = SMB_ACL_ADD;
			break;

		case 'C':
			pstrcpy(owner_username,poptGetOptArg(pc));
			change_mode = REQUEST_CHOWN;
			break;

		case 'G':
			pstrcpy(owner_username,poptGetOptArg(pc));
			change_mode = REQUEST_CHGRP;
			break;
		}
	}

	/* Make connection to server */
	if(!poptPeekArg(pc)) { 
		poptPrintUsage(pc, stderr, 0);
		return -1;
	}
	
	fstrcpy(path, poptGetArg(pc));
	
	if(!poptPeekArg(pc)) { 
		poptPrintUsage(pc, stderr, 0);	
		return -1;
	}
	
	pstrcpy(filename, poptGetArg(pc));

	all_string_sub(path,"/","\\",0);

	fstrcpy(server,path+2);
	share = strchr_m(server,'\\');
	if (!share) {
		printf("Invalid argument: %s\n", share);
		return -1;
	}

	*share = 0;
	share++;

	if (!test_args) {
		cli = connect_one(server, share);
		if (!cli) {
			TALLOC_FREE(frame);
			exit(EXIT_FAILED);
		}
	} else {
		exit(0);
	}

	all_string_sub(filename, "/", "\\", 0);
	if (filename[0] != '\\') {
		pstring s;
		s[0] = '\\';
		safe_strcpy(&s[1], filename, sizeof(pstring)-2);
		pstrcpy(filename, s);
	}

	/* Perform requested action */

	if (change_mode != REQUEST_NONE) {
		result = owner_set(cli, change_mode, filename, owner_username);
	} else if (the_acl) {
		result = cacl_set(cli, filename, the_acl, mode);
	} else {
		result = cacl_dump(cli, filename);
	}

	TALLOC_FREE(frame);

	return result;
}