summaryrefslogtreecommitdiff
path: root/source3/utils/net_groupmap.c
blob: fa60fcbd0836e5a092f5384b26249adaa0e83d40 (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
/*
 *  Unix SMB/CIFS implementation.
 *  RPC Pipe client / server routines
 *  Copyright (C) Andrew Tridgell              1992-2000,
 *  Copyright (C) Jean François Micouleau      1998-2001.
 *  Copyright (C) Gerald Carter                2003,
 *  Copyright (C) Volker Lendecke              2004
 *
 *  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 2 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, write to the Free Software
 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */


#include "includes.h"
#include "utils/net.h"


/*********************************************************
 utility function to parse an integer parameter from 
 "parameter = value"
**********************************************************/
static uint32 get_int_param( const char* param )
{
	char *p;
	
	p = strchr( param, '=' );
	if ( !p )
		return 0;
		
	return atoi(p+1);
}

/*********************************************************
 utility function to parse an integer parameter from 
 "parameter = value"
**********************************************************/
static char* get_string_param( const char* param )
{
	char *p;
	
	p = strchr( param, '=' );
	if ( !p )
		return NULL;
		
	return (p+1);
}

/*********************************************************
 Figure out if the input was an NT group or a SID string.
 Return the SID.
**********************************************************/
static BOOL get_sid_from_input(DOM_SID *sid, char *input)
{
	GROUP_MAP map;

	if (StrnCaseCmp( input, "S-", 2)) {
		/* Perhaps its the NT group name? */
		if (!pdb_getgrnam(&map, input)) {
			printf("NT Group %s doesn't exist in mapping DB\n", input);
			return False;
		} else {
			*sid = map.sid;
		}
	} else {
		if (!string_to_sid(sid, input)) {
			printf("converting sid %s from a string failed!\n", input);
			return False;
		}
	}
	return True;
}

/*********************************************************
 Dump a GROUP_MAP entry to stdout (long or short listing)
**********************************************************/

static void print_map_entry ( GROUP_MAP map, BOOL long_list )
{
	if (!long_list)
		d_printf("%s (%s) -> %s\n", map.nt_name,
			 sid_string_static(&map.sid), gidtoname(map.gid));
	else {
		d_printf("%s\n", map.nt_name);
		d_printf("\tSID       : %s\n", sid_string_static(&map.sid));
		d_printf("\tUnix gid  : %d\n", map.gid);
		d_printf("\tUnix group: %s\n", gidtoname(map.gid));
		d_printf("\tGroup type: %s\n",
			 sid_type_lookup(map.sid_name_use));
		d_printf("\tComment   : %s\n", map.comment);
	}

}
/*********************************************************
 List the groups.
**********************************************************/
static int net_groupmap_list(int argc, const char **argv)
{
	size_t entries;
	BOOL long_list = False;
	size_t i;
	fstring ntgroup = "";
	fstring sid_string = "";

	if (opt_verbose || opt_long_list_entries)
		long_list = True;
	
	/* get the options */
	for ( i=0; i<argc; i++ ) {
		if ( !StrCaseCmp(argv[i], "verbose")) {
			long_list = True;
		}
		else if ( !StrnCaseCmp(argv[i], "ntgroup", strlen("ntgroup")) ) {
			fstrcpy( ntgroup, get_string_param( argv[i] ) );
			if ( !ntgroup[0] ) {
				d_fprintf(stderr, "must supply a name\n");
				return -1;
			}		
		}
		else if ( !StrnCaseCmp(argv[i], "sid", strlen("sid")) ) {
			fstrcpy( sid_string, get_string_param( argv[i] ) );
			if ( !sid_string[0] ) {
				d_fprintf(stderr, "must supply a SID\n");
				return -1;
			}		
		}
		else {
			d_fprintf(stderr, "Bad option: %s\n", argv[i]);
			return -1;
		}
	}

	/* list a single group is given a name */
	if ( ntgroup[0] || sid_string[0] ) {
		DOM_SID sid;
		GROUP_MAP map;
		
		if ( sid_string[0] )
			fstrcpy( ntgroup, sid_string);
			
		if (!get_sid_from_input(&sid, ntgroup)) {
			return -1;
		}

		/* Get the current mapping from the database */
		if(!pdb_getgrsid(&map, sid)) {
			d_fprintf(stderr, "Failure to local group SID in the database\n");
			return -1;
		}
	
		print_map_entry( map, long_list );
	}
	else {
		GROUP_MAP *map=NULL;
		/* enumerate all group mappings */
		if (!pdb_enum_group_mapping(SID_NAME_UNKNOWN, &map, &entries, ENUM_ALL_MAPPED))
			return -1;
	
		for (i=0; i<entries; i++) {
			print_map_entry( map[i], long_list );
		}

		SAFE_FREE(map);
	}

	return 0;
}

/*********************************************************
 Add a new group mapping entry
**********************************************************/

static int net_groupmap_add(int argc, const char **argv)
{
	DOM_SID sid;
	fstring ntgroup = "";
	fstring unixgrp = "";
	fstring string_sid = "";
	fstring type = "";
	fstring ntcomment = "";
	enum SID_NAME_USE sid_type = SID_NAME_DOM_GRP;
	uint32 rid = 0;	
	gid_t gid;
	int i;
	
	/* get the options */
	for ( i=0; i<argc; i++ ) {
		if ( !StrnCaseCmp(argv[i], "rid", strlen("rid")) ) {
			rid = get_int_param(argv[i]);
			if ( rid < DOMAIN_GROUP_RID_ADMINS ) {
				d_fprintf(stderr, "RID must be greater than %d\n", (uint32)DOMAIN_GROUP_RID_ADMINS-1);
				return -1;
			}
		}
		else if ( !StrnCaseCmp(argv[i], "unixgroup", strlen("unixgroup")) ) {
			fstrcpy( unixgrp, get_string_param( argv[i] ) );
			if ( !unixgrp[0] ) {
				d_fprintf(stderr, "must supply a name\n");
				return -1;
			}		
		}
		else if ( !StrnCaseCmp(argv[i], "ntgroup", strlen("ntgroup")) ) {
			fstrcpy( ntgroup, get_string_param( argv[i] ) );
			if ( !ntgroup[0] ) {
				d_fprintf(stderr, "must supply a name\n");
				return -1;
			}		
		}
		else if ( !StrnCaseCmp(argv[i], "sid", strlen("sid")) ) {
			fstrcpy( string_sid, get_string_param( argv[i] ) );
			if ( !string_sid[0] ) {
				d_fprintf(stderr, "must supply a SID\n");
				return -1;
			}		
		}
		else if ( !StrnCaseCmp(argv[i], "comment", strlen("comment")) ) {
			fstrcpy( ntcomment, get_string_param( argv[i] ) );
			if ( !ntcomment[0] ) {
				d_fprintf(stderr, "must supply a comment string\n");
				return -1;
			}				
		}
		else if ( !StrnCaseCmp(argv[i], "type", strlen("type")) )  {
			fstrcpy( type, get_string_param( argv[i] ) );
			switch ( type[0] ) {
				case 'b':
				case 'B':
					sid_type = SID_NAME_WKN_GRP;
					break;
				case 'd':
				case 'D':
					sid_type = SID_NAME_DOM_GRP;
					break;
				case 'l':
				case 'L':
					sid_type = SID_NAME_ALIAS;
					break;
			}
		}
		else {
			d_fprintf(stderr, "Bad option: %s\n", argv[i]);
			return -1;
		}
	}

	if ( !unixgrp[0] ) {
		d_printf("Usage: net groupmap add {rid=<int>|sid=<string>} unixgroup=<string> [type=<domain|local|builtin>] [ntgroup=<string>] [comment=<string>]\n");
		return -1;
	}
	
	if ( (gid = nametogid(unixgrp)) == (gid_t)-1 ) {
		d_fprintf(stderr, "Can't lookup UNIX group %s\n", unixgrp);
		return -1;
	}

	{
		GROUP_MAP map;
		if (pdb_getgrgid(&map, gid)) {
			d_printf("Unix group %s already mapped to SID %s\n",
				 unixgrp, sid_string_static(&map.sid));
			return -1;
		}
	}
	
	if ( (rid == 0) && (string_sid[0] == '\0') ) {
		d_printf("No rid or sid specified, choosing a RID\n");
		if (pdb_rid_algorithm()) {
			rid = pdb_gid_to_group_rid(gid);
		} else {
			if (!pdb_new_rid(&rid)) {
				d_printf("Could not get new RID\n");
			}
		}
		d_printf("Got RID %d\n", rid);
	}

	/* append the rid to our own domain/machine SID if we don't have a full SID */
	if ( !string_sid[0] ) {
		sid_copy(&sid, get_global_sam_sid());
		sid_append_rid(&sid, rid);
		sid_to_string(string_sid, &sid);
	}

	if (!ntcomment[0]) {
		switch (sid_type) {
		case SID_NAME_WKN_GRP:
			fstrcpy(ntcomment, "Wellknown Unix group");
			break;
		case SID_NAME_DOM_GRP:
			fstrcpy(ntcomment, "Domain Unix group");
			break;
		case SID_NAME_ALIAS:
			fstrcpy(ntcomment, "Local Unix group");
			break;
		default:
			fstrcpy(ntcomment, "Unix group");
			break;
		}
	}
		
	if (!ntgroup[0] )
		fstrcpy( ntgroup, unixgrp );
		
	
	if (!NT_STATUS_IS_OK(add_initial_entry(gid, string_sid, sid_type, ntgroup, ntcomment))) {
		d_fprintf(stderr, "adding entry for group %s failed!\n", ntgroup);
		return -1;
	}

	d_printf("Successfully added group %s to the mapping db\n", ntgroup);
	return 0;
}

static int net_groupmap_modify(int argc, const char **argv)
{
	DOM_SID sid;
	GROUP_MAP map;
	fstring ntcomment = "";
	fstring type = "";
	fstring ntgroup = "";
	fstring unixgrp = "";
	fstring sid_string = "";
	enum SID_NAME_USE sid_type = SID_NAME_UNKNOWN;
	int i;
	gid_t gid;

	/* get the options */
	for ( i=0; i<argc; i++ ) {
		if ( !StrnCaseCmp(argv[i], "ntgroup", strlen("ntgroup")) ) {
			fstrcpy( ntgroup, get_string_param( argv[i] ) );
			if ( !ntgroup[0] ) {
				d_fprintf(stderr, "must supply a name\n");
				return -1;
			}		
		}
		else if ( !StrnCaseCmp(argv[i], "sid", strlen("sid")) ) {
			fstrcpy( sid_string, get_string_param( argv[i] ) );
			if ( !sid_string[0] ) {
				d_fprintf(stderr, "must supply a name\n");
				return -1;
			}		
		}
		else if ( !StrnCaseCmp(argv[i], "comment", strlen("comment")) ) {
			fstrcpy( ntcomment, get_string_param( argv[i] ) );
			if ( !ntcomment[0] ) {
				d_fprintf(stderr, "must supply a comment string\n");
				return -1;
			}				
		}
		else if ( !StrnCaseCmp(argv[i], "unixgroup", strlen("unixgroup")) ) {
			fstrcpy( unixgrp, get_string_param( argv[i] ) );
			if ( !unixgrp[0] ) {
				d_fprintf(stderr, "must supply a group name\n");
				return -1;
			}				
		}
		else if ( !StrnCaseCmp(argv[i], "type", strlen("type")) )  {
			fstrcpy( type, get_string_param( argv[i] ) );
			switch ( type[0] ) {
				case 'd':
				case 'D':
					sid_type = SID_NAME_DOM_GRP;
					break;
				case 'l':
				case 'L':
					sid_type = SID_NAME_ALIAS;
					break;
			}
		}
		else {
			d_fprintf(stderr, "Bad option: %s\n", argv[i]);
			return -1;
		}
	}
	
	if ( !ntgroup[0] && !sid_string[0] ) {
		d_printf("Usage: net groupmap modify {ntgroup=<string>|sid=<SID>} [comment=<string>] [unixgroup=<string>] [type=<domain|local>]\n");
		return -1;
	}

	/* give preference to the SID; if both the ntgroup name and SID
	   are defined, use the SID and assume that the group name could be a 
	   new name */
	   	
	if ( sid_string[0] ) {	
		if (!get_sid_from_input(&sid, sid_string)) {
			return -1;
		}
	}
	else {
		if (!get_sid_from_input(&sid, ntgroup)) {
			return -1;
		}
	}	

	/* Get the current mapping from the database */
	if(!pdb_getgrsid(&map, sid)) {
		d_fprintf(stderr, "Failure to local group SID in the database\n");
		return -1;
	}
	
	/*
	 * Allow changing of group type only between domain and local
	 * We disallow changing Builtin groups !!! (SID problem)
	 */ 
	if (sid_type != SID_NAME_UNKNOWN) { 
		if (map.sid_name_use == SID_NAME_WKN_GRP) {
			d_fprintf(stderr, "You can only change between domain and local groups.\n");
			return -1;
		}
		
		map.sid_name_use=sid_type;
	}

	/* Change comment if new one */
	if ( ntcomment[0] )
		fstrcpy( map.comment, ntcomment );
		
	if ( ntgroup[0] )
		fstrcpy( map.nt_name, ntgroup );
		
	if ( unixgrp[0] ) {
		gid = nametogid( unixgrp );
		if ( gid == -1 ) {
			d_fprintf(stderr, "Unable to lookup UNIX group %s.  Make sure the group exists.\n",
				unixgrp);
			return -1;
		}
		
		map.gid = gid;
	}

	if ( !NT_STATUS_IS_OK(pdb_update_group_mapping_entry(&map)) ) {
		d_fprintf(stderr, "Could not update group database\n");
		return -1;
	}
	
	d_printf("Updated mapping entry for %s\n", map.nt_name);

	return 0;
}

static int net_groupmap_delete(int argc, const char **argv)
{
	DOM_SID sid;
	fstring ntgroup = "";
	fstring sid_string = "";
	int i;

	/* get the options */
	for ( i=0; i<argc; i++ ) {
		if ( !StrnCaseCmp(argv[i], "ntgroup", strlen("ntgroup")) ) {
			fstrcpy( ntgroup, get_string_param( argv[i] ) );
			if ( !ntgroup[0] ) {
				d_fprintf(stderr, "must supply a name\n");
				return -1;
			}		
		}
		else if ( !StrnCaseCmp(argv[i], "sid", strlen("sid")) ) {
			fstrcpy( sid_string, get_string_param( argv[i] ) );
			if ( !sid_string[0] ) {
				d_fprintf(stderr, "must supply a SID\n");
				return -1;
			}		
		}
		else {
			d_fprintf(stderr, "Bad option: %s\n", argv[i]);
			return -1;
		}
	}
	
	if ( !ntgroup[0] && !sid_string[0]) {
		d_printf("Usage: net groupmap delete {ntgroup=<string>|sid=<SID>}\n");
		return -1;
	}
	
	/* give preference to the SID if we have that */
	
	if ( sid_string[0] )
		fstrcpy( ntgroup, sid_string );
		
	if ( !get_sid_from_input(&sid, ntgroup) ) {
		d_fprintf(stderr, "Unable to resolve group %s to a SID\n", ntgroup);
		return -1;
	}

	if ( !NT_STATUS_IS_OK(pdb_delete_group_mapping_entry(sid)) ) {
		d_fprintf(stderr, "Failed to removing group %s from the mapping db!\n", ntgroup);
		return -1;
	}

	d_printf("Sucessfully removed %s from the mapping db\n", ntgroup);

	return 0;
}

static int net_groupmap_set(int argc, const char **argv)
{
	const char *ntgroup = NULL;
	struct group *grp = NULL;
	GROUP_MAP map;
	BOOL have_map = False;

	if ((argc < 1) || (argc > 2)) {
		d_printf("Usage: net groupmap set \"NT Group\" "
			 "[\"unix group\"] [-C \"comment\"] [-L] [-D]\n");
		return -1;
	}

	if ( opt_localgroup && opt_domaingroup ) {
		d_printf("Can only specify -L or -D, not both\n");
		return -1;
	}

	ntgroup = argv[0];

	if (argc == 2) {
		grp = getgrnam(argv[1]);

		if (grp == NULL) {
			d_fprintf(stderr, "Could not find unix group %s\n", argv[1]);
			return -1;
		}
	}

	have_map = pdb_getgrnam(&map, ntgroup);

	if (!have_map) {
		DOM_SID sid;
		have_map = ( (strncmp(ntgroup, "S-", 2) == 0) &&
			     string_to_sid(&sid, ntgroup) &&
			     pdb_getgrsid(&map, sid) );
	}

	if (!have_map) {

		/* Ok, add it */

		if (grp == NULL) {
			d_fprintf(stderr, "Could not find group mapping for %s\n",
				 ntgroup);
			return -1;
		}

		map.gid = grp->gr_gid;

		if (opt_rid == 0) {
			opt_rid = pdb_gid_to_group_rid(map.gid);
		}

		sid_copy(&map.sid, get_global_sam_sid());
		sid_append_rid(&map.sid, opt_rid);

		map.sid_name_use = SID_NAME_DOM_GRP;
		fstrcpy(map.nt_name, ntgroup);
		fstrcpy(map.comment, "");

		if (!NT_STATUS_IS_OK(pdb_add_group_mapping_entry(&map))) {
			d_fprintf(stderr, "Could not add mapping entry for %s\n",
				 ntgroup);
			return -1;
		}
	}

	/* Now we have a mapping entry, update that stuff */

	if ( opt_localgroup || opt_domaingroup ) {
		if (map.sid_name_use == SID_NAME_WKN_GRP) {
			d_fprintf(stderr, "Can't change type of the BUILTIN group %s\n",
				 map.nt_name);
			return -1;
		}
	}

	if (opt_localgroup)
		map.sid_name_use = SID_NAME_ALIAS;

	if (opt_domaingroup)
		map.sid_name_use = SID_NAME_DOM_GRP;

	/* The case (opt_domaingroup && opt_localgroup) was tested for above */

	if (strlen(opt_comment) > 0)
		fstrcpy(map.comment, opt_comment);

	if (strlen(opt_newntname) > 0)
		fstrcpy(map.nt_name, opt_newntname);

	if (grp != NULL)
		map.gid = grp->gr_gid;

	if (!NT_STATUS_IS_OK(pdb_update_group_mapping_entry(&map))) {
		d_fprintf(stderr, "Could not update group mapping for %s\n", ntgroup);
		return -1;
	}

	return 0;
}

static int net_groupmap_cleanup(int argc, const char **argv)
{
	GROUP_MAP *map = NULL;
	size_t i, entries;

	if (!pdb_enum_group_mapping(SID_NAME_UNKNOWN, &map, &entries,
				    ENUM_ALL_MAPPED)) {
		d_fprintf(stderr, "Could not list group mappings\n");
		return -1;
	}

	for (i=0; i<entries; i++) {

		if (map[i].sid_name_use == SID_NAME_WKN_GRP)
			continue;

		if (map[i].gid == -1)
			printf("Group %s is not mapped\n", map[i].nt_name);

		if (!sid_check_is_in_our_domain(&map[i].sid)) {
			printf("Deleting mapping for NT Group %s, sid %s\n",
			       map[i].nt_name,
			       sid_string_static(&map[i].sid));
			pdb_delete_group_mapping_entry(map[i].sid);
		}
	}

	SAFE_FREE(map);

	return 0;
}

static int net_groupmap_addmem(int argc, const char **argv)
{
	DOM_SID alias, member;

	if ( (argc != 2) || 
	     !string_to_sid(&alias, argv[0]) ||
	     !string_to_sid(&member, argv[1]) ) {
		d_printf("Usage: net groupmap addmem alias-sid member-sid\n");
		return -1;
	}

	if (!NT_STATUS_IS_OK(pdb_add_aliasmem(&alias, &member))) {
		d_fprintf(stderr, "Could not add sid %s to alias %s\n",
			 argv[1], argv[0]);
		return -1;
	}

	return 0;
}

static int net_groupmap_delmem(int argc, const char **argv)
{
	DOM_SID alias, member;

	if ( (argc != 2) || 
	     !string_to_sid(&alias, argv[0]) ||
	     !string_to_sid(&member, argv[1]) ) {
		d_printf("Usage: net groupmap delmem alias-sid member-sid\n");
		return -1;
	}

	if (!NT_STATUS_IS_OK(pdb_del_aliasmem(&alias, &member))) {
		d_fprintf(stderr, "Could not delete sid %s from alias %s\n",
			 argv[1], argv[0]);
		return -1;
	}

	return 0;
}

static int net_groupmap_listmem(int argc, const char **argv)
{
	DOM_SID alias;
	DOM_SID *members;
	size_t i, num;

	if ( (argc != 1) || 
	     !string_to_sid(&alias, argv[0]) ) {
		d_printf("Usage: net groupmap listmem alias-sid\n");
		return -1;
	}

	members = NULL;
	num = 0;

	if (!NT_STATUS_IS_OK(pdb_enum_aliasmem(&alias, &members, &num))) {
		d_fprintf(stderr, "Could not list members for sid %s\n", argv[0]);
		return -1;
	}

	for (i = 0; i < num; i++) {
		printf("%s\n", sid_string_static(&(members[i])));
	}

	SAFE_FREE(members);

	return 0;
}

static BOOL print_alias_memberships(TALLOC_CTX *mem_ctx,
				    const DOM_SID *domain_sid,
				    const DOM_SID *member)
{
	uint32 *alias_rids;
	size_t i, num_alias_rids;

	alias_rids = NULL;
	num_alias_rids = 0;

	if (!NT_STATUS_IS_OK(pdb_enum_alias_memberships(
				     mem_ctx, domain_sid, member, 1,
				     &alias_rids, &num_alias_rids))) {
		d_fprintf(stderr, "Could not list memberships for sid %s\n",
			 sid_string_static(member));
		return False;
	}

	for (i = 0; i < num_alias_rids; i++) {
		DOM_SID alias;
		sid_copy(&alias, domain_sid);
		sid_append_rid(&alias, alias_rids[i]);
		printf("%s\n", sid_string_static(&alias));
	}

	return True;
}

static int net_groupmap_memberships(int argc, const char **argv)
{
	TALLOC_CTX *mem_ctx;
	DOM_SID *domain_sid, *builtin_sid, member;

	if ( (argc != 1) || 
	     !string_to_sid(&member, argv[0]) ) {
		d_printf("Usage: net groupmap memberof sid\n");
		return -1;
	}

	mem_ctx = talloc_init("net_groupmap_memberships");
	if (mem_ctx == NULL) {
		d_fprintf(stderr, "talloc_init failed\n");
		return -1;
	}

	domain_sid = get_global_sam_sid();
	builtin_sid = string_sid_talloc(mem_ctx, "S-1-5-32");
	if ((domain_sid == NULL) || (builtin_sid == NULL)) {
		d_fprintf(stderr, "Could not get domain sid\n");
		return -1;
	}

	if (!print_alias_memberships(mem_ctx, domain_sid, &member) ||
	    !print_alias_memberships(mem_ctx, builtin_sid, &member))
		return -1;

	talloc_destroy(mem_ctx);

	return 0;
}

int net_help_groupmap(int argc, const char **argv)
{
	d_printf("net groupmap add"\
		"\n  Create a new group mapping\n");
	d_printf("net groupmap modify"\
		"\n  Update a group mapping\n");
	d_printf("net groupmap delete"\
		"\n  Remove a group mapping\n");
	d_printf("net groupmap addmem"\
		 "\n  Add a foreign alias member\n");
	d_printf("net groupmap delmem"\
		 "\n  Delete a foreign alias member\n");
	d_printf("net groupmap listmem"\
		 "\n  List foreign group members\n");
	d_printf("net groupmap memberships"\
		 "\n  List foreign group memberships\n");
	d_printf("net groupmap list"\
		"\n  List current group map\n");
	d_printf("net groupmap set"\
		"\n  Set group mapping\n");
	d_printf("net groupmap cleanup"\
		"\n  Remove foreign group mapping entries\n");
	
	return -1;
}


/***********************************************************
 migrated functionality from smbgroupedit
 **********************************************************/
int net_groupmap(int argc, const char **argv)
{
	struct functable func[] = {
		{"add", net_groupmap_add},
		{"modify", net_groupmap_modify},
		{"delete", net_groupmap_delete},
		{"set", net_groupmap_set},
		{"cleanup", net_groupmap_cleanup},
 		{"addmem", net_groupmap_addmem},
 		{"delmem", net_groupmap_delmem},
 		{"listmem", net_groupmap_listmem},
 		{"memberships", net_groupmap_memberships},
		{"list", net_groupmap_list},
		{"help", net_help_groupmap},
		{NULL, NULL}
	};

	/* we shouldn't have silly checks like this */
	if (getuid() != 0) {
		d_fprintf(stderr, "You must be root to edit group mappings.\n");
		return -1;
	}
	
	if ( argc )
		return net_run_function(argc, argv, func, net_help_groupmap);

	return net_help_groupmap( argc, argv );
}