r4285: Allow -v or -l for displaying verbose groupmap-listing as well as
[samba.git] / source / utils / net_groupmap.c
1 /*
2  *  Unix SMB/CIFS implementation.
3  *  RPC Pipe client / server routines
4  *  Copyright (C) Andrew Tridgell              1992-2000,
5  *  Copyright (C) Jean François Micouleau      1998-2001.
6  *  Copyright (C) Gerald Carter                2003.
7  *
8  *  This program is free software; you can redistribute it and/or modify
9  *  it under the terms of the GNU General Public License as published by
10  *  the Free Software Foundation; either version 2 of the License, or
11  *  (at your option) any later version.
12  *
13  *  This program is distributed in the hope that it will be useful,
14  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  *  GNU General Public License for more details.
17  *
18  *  You should have received a copy of the GNU General Public License
19  *  along with this program; if not, write to the Free Software
20  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21  */
22
23
24 #include "includes.h"
25 #include "utils/net.h"
26
27
28 /*********************************************************
29  utility function to parse an integer parameter from 
30  "parameter = value"
31 **********************************************************/
32 static uint32 get_int_param( const char* param )
33 {
34         char *p;
35         
36         p = strchr( param, '=' );
37         if ( !p )
38                 return 0;
39                 
40         return atoi(p+1);
41 }
42
43 /*********************************************************
44  utility function to parse an integer parameter from 
45  "parameter = value"
46 **********************************************************/
47 static char* get_string_param( const char* param )
48 {
49         char *p;
50         
51         p = strchr( param, '=' );
52         if ( !p )
53                 return NULL;
54                 
55         return (p+1);
56 }
57
58 /*********************************************************
59  Figure out if the input was an NT group or a SID string.
60  Return the SID.
61 **********************************************************/
62 static BOOL get_sid_from_input(DOM_SID *sid, char *input)
63 {
64         GROUP_MAP map;
65
66         if (StrnCaseCmp( input, "S-", 2)) {
67                 /* Perhaps its the NT group name? */
68                 if (!pdb_getgrnam(&map, input)) {
69                         printf("NT Group %s doesn't exist in mapping DB\n", input);
70                         return False;
71                 } else {
72                         *sid = map.sid;
73                 }
74         } else {
75                 if (!string_to_sid(sid, input)) {
76                         printf("converting sid %s from a string failed!\n", input);
77                         return False;
78                 }
79         }
80         return True;
81 }
82
83 /*********************************************************
84  Dump a GROUP_MAP entry to stdout (long or short listing)
85 **********************************************************/
86
87 static void print_map_entry ( GROUP_MAP map, BOOL long_list )
88 {
89         fstring string_sid;
90         fstring group_type;
91         
92         decode_sid_name_use(group_type, map.sid_name_use);
93         sid_to_string(string_sid, &map.sid);
94                 
95         if (!long_list)
96                 d_printf("%s (%s) -> %s\n", map.nt_name, string_sid, gidtoname(map.gid));
97         else {
98                 d_printf("%s\n", map.nt_name);
99                 d_printf("\tSID       : %s\n", string_sid);
100                 d_printf("\tUnix group: %s\n", gidtoname(map.gid));
101                 d_printf("\tGroup type: %s\n", group_type);
102                 d_printf("\tComment   : %s\n", map.comment);
103         }
104
105 }
106 /*********************************************************
107  List the groups.
108 **********************************************************/
109 static int net_groupmap_list(int argc, const char **argv)
110 {
111         int entries;
112         BOOL long_list = False;
113         int i;
114         fstring ntgroup = "";
115         fstring sid_string = "";
116
117         if (opt_verbose || opt_long_list_entries)
118                 long_list = True;
119         
120         /* get the options */
121         for ( i=0; i<argc; i++ ) {
122                 if ( !StrCaseCmp(argv[i], "verbose")) {
123                         long_list = True;
124                 }
125                 else if ( !StrnCaseCmp(argv[i], "ntgroup", strlen("ntgroup")) ) {
126                         fstrcpy( ntgroup, get_string_param( argv[i] ) );
127                         if ( !ntgroup[0] ) {
128                                 d_printf("must supply a name\n");
129                                 return -1;
130                         }               
131                 }
132                 else if ( !StrnCaseCmp(argv[i], "sid", strlen("sid")) ) {
133                         fstrcpy( sid_string, get_string_param( argv[i] ) );
134                         if ( !sid_string[0] ) {
135                                 d_printf("must supply a SID\n");
136                                 return -1;
137                         }               
138                 }
139                 else {
140                         d_printf("Bad option: %s\n", argv[i]);
141                         return -1;
142                 }
143         }
144
145         /* list a single group is given a name */
146         if ( ntgroup[0] || sid_string[0] ) {
147                 DOM_SID sid;
148                 GROUP_MAP map;
149                 
150                 if ( sid_string[0] )
151                         fstrcpy( ntgroup, sid_string);
152                         
153                 if (!get_sid_from_input(&sid, ntgroup)) {
154                         return -1;
155                 }
156
157                 /* Get the current mapping from the database */
158                 if(!pdb_getgrsid(&map, sid)) {
159                         d_printf("Failure to local group SID in the database\n");
160                         return -1;
161                 }
162         
163                 print_map_entry( map, long_list );
164         }
165         else {
166                 GROUP_MAP *map=NULL;
167                 /* enumerate all group mappings */
168                 if (!pdb_enum_group_mapping(SID_NAME_UNKNOWN, &map, &entries, ENUM_ALL_MAPPED))
169                         return -1;
170         
171                 for (i=0; i<entries; i++) {
172                         print_map_entry( map[i], long_list );
173                 }
174
175                 SAFE_FREE(map);
176         }
177
178         return 0;
179 }
180
181 /*********************************************************
182  Add a new group mapping entry
183 **********************************************************/
184
185 static int net_groupmap_add(int argc, const char **argv)
186 {
187         DOM_SID sid;
188         fstring ntgroup = "";
189         fstring unixgrp = "";
190         fstring string_sid = "";
191         fstring type = "";
192         fstring ntcomment = "";
193         enum SID_NAME_USE sid_type = SID_NAME_DOM_GRP;
194         uint32 rid = 0; 
195         gid_t gid;
196         int i;
197         
198         /* get the options */
199         for ( i=0; i<argc; i++ ) {
200                 if ( !StrnCaseCmp(argv[i], "rid", strlen("rid")) ) {
201                         rid = get_int_param(argv[i]);
202                         if ( rid < DOMAIN_GROUP_RID_ADMINS ) {
203                                 d_printf("RID must be greater than %d\n", (uint32)DOMAIN_GROUP_RID_ADMINS-1);
204                                 return -1;
205                         }
206                 }
207                 else if ( !StrnCaseCmp(argv[i], "unixgroup", strlen("unixgroup")) ) {
208                         fstrcpy( unixgrp, get_string_param( argv[i] ) );
209                         if ( !unixgrp[0] ) {
210                                 d_printf("must supply a name\n");
211                                 return -1;
212                         }               
213                 }
214                 else if ( !StrnCaseCmp(argv[i], "ntgroup", strlen("ntgroup")) ) {
215                         fstrcpy( ntgroup, get_string_param( argv[i] ) );
216                         if ( !ntgroup[0] ) {
217                                 d_printf("must supply a name\n");
218                                 return -1;
219                         }               
220                 }
221                 else if ( !StrnCaseCmp(argv[i], "sid", strlen("sid")) ) {
222                         fstrcpy( string_sid, get_string_param( argv[i] ) );
223                         if ( !string_sid[0] ) {
224                                 d_printf("must supply a SID\n");
225                                 return -1;
226                         }               
227                 }
228                 else if ( !StrnCaseCmp(argv[i], "comment", strlen("comment")) ) {
229                         fstrcpy( ntcomment, get_string_param( argv[i] ) );
230                         if ( !ntcomment[0] ) {
231                                 d_printf("must supply a comment string\n");
232                                 return -1;
233                         }                               
234                 }
235                 else if ( !StrnCaseCmp(argv[i], "type", strlen("type")) )  {
236                         fstrcpy( type, get_string_param( argv[i] ) );
237                         switch ( type[0] ) {
238                                 case 'b':
239                                 case 'B':
240                                         sid_type = SID_NAME_WKN_GRP;
241                                         break;
242                                 case 'd':
243                                 case 'D':
244                                         sid_type = SID_NAME_DOM_GRP;
245                                         break;
246                                 case 'l':
247                                 case 'L':
248                                         sid_type = SID_NAME_ALIAS;
249                                         break;
250                         }
251                 }
252                 else {
253                         d_printf("Bad option: %s\n", argv[i]);
254                         return -1;
255                 }
256         }
257
258         if ( !unixgrp[0] ) {
259                 d_printf("Usage: net groupmap add {rid=<int>|sid=<string>} unixgroup=<string> [type=<domain|local|builtin>] [ntgroup=<string>] [comment=<string>]\n");
260                 return -1;
261         }
262         
263         if ( (gid = nametogid(unixgrp)) == (gid_t)-1 ) {
264                 d_printf("Can't lookup UNIX group %s\n", unixgrp);
265                 return -1;
266         }
267         
268         if ( (rid == 0) && (string_sid[0] == '\0') ) {
269                 d_printf("No rid or sid specified, choosing algorithmic mapping\n");
270                 rid = pdb_gid_to_group_rid(gid);
271         }
272
273         /* append the rid to our own domain/machine SID if we don't have a full SID */
274         if ( !string_sid[0] ) {
275                 sid_copy(&sid, get_global_sam_sid());
276                 sid_append_rid(&sid, rid);
277                 sid_to_string(string_sid, &sid);
278         }
279
280         if (!ntcomment[0])
281                 fstrcpy(ntcomment, "Local Unix group");
282                 
283         if (!ntgroup[0] )
284                 fstrcpy( ntgroup, unixgrp );
285                 
286         
287         if (!add_initial_entry(gid, string_sid, sid_type, ntgroup, ntcomment)) {
288                 d_printf("adding entry for group %s failed!\n", ntgroup);
289                 return -1;
290         }
291
292         d_printf("Successully added group %s to the mapping db\n", ntgroup);
293         return 0;
294 }
295
296 static int net_groupmap_modify(int argc, const char **argv)
297 {
298         DOM_SID sid;
299         GROUP_MAP map;
300         fstring ntcomment = "";
301         fstring type = "";
302         fstring ntgroup = "";
303         fstring unixgrp = "";
304         fstring sid_string = "";
305         enum SID_NAME_USE sid_type = SID_NAME_UNKNOWN;
306         int i;
307         gid_t gid;
308
309         /* get the options */
310         for ( i=0; i<argc; i++ ) {
311                 if ( !StrnCaseCmp(argv[i], "ntgroup", strlen("ntgroup")) ) {
312                         fstrcpy( ntgroup, get_string_param( argv[i] ) );
313                         if ( !ntgroup[0] ) {
314                                 d_printf("must supply a name\n");
315                                 return -1;
316                         }               
317                 }
318                 else if ( !StrnCaseCmp(argv[i], "sid", strlen("sid")) ) {
319                         fstrcpy( sid_string, get_string_param( argv[i] ) );
320                         if ( !sid_string[0] ) {
321                                 d_printf("must supply a name\n");
322                                 return -1;
323                         }               
324                 }
325                 else if ( !StrnCaseCmp(argv[i], "comment", strlen("comment")) ) {
326                         fstrcpy( ntcomment, get_string_param( argv[i] ) );
327                         if ( !ntcomment[0] ) {
328                                 d_printf("must supply a comment string\n");
329                                 return -1;
330                         }                               
331                 }
332                 else if ( !StrnCaseCmp(argv[i], "unixgroup", strlen("unixgroup")) ) {
333                         fstrcpy( unixgrp, get_string_param( argv[i] ) );
334                         if ( !unixgrp[0] ) {
335                                 d_printf("must supply a group name\n");
336                                 return -1;
337                         }                               
338                 }
339                 else if ( !StrnCaseCmp(argv[i], "type", strlen("type")) )  {
340                         fstrcpy( type, get_string_param( argv[i] ) );
341                         switch ( type[0] ) {
342                                 case 'd':
343                                 case 'D':
344                                         sid_type = SID_NAME_DOM_GRP;
345                                         break;
346                                 case 'l':
347                                 case 'L':
348                                         sid_type = SID_NAME_ALIAS;
349                                         break;
350                         }
351                 }
352                 else {
353                         d_printf("Bad option: %s\n", argv[i]);
354                         return -1;
355                 }
356         }
357         
358         if ( !ntgroup[0] && !sid_string[0] ) {
359                 d_printf("Usage: net groupmap modify {ntgroup=<string>|sid=<SID>} [comment=<string>] [unixgroup=<string>] [type=<domain|local>]\n");
360                 return -1;
361         }
362
363         /* give preference to the SID; if both the ntgroup name and SID
364            are defined, use the SID and assume that the group name could be a 
365            new name */
366                 
367         if ( sid_string[0] ) {  
368                 if (!get_sid_from_input(&sid, sid_string)) {
369                         return -1;
370                 }
371         }
372         else {
373                 if (!get_sid_from_input(&sid, ntgroup)) {
374                         return -1;
375                 }
376         }       
377
378         /* Get the current mapping from the database */
379         if(!pdb_getgrsid(&map, sid)) {
380                 d_printf("Failure to local group SID in the database\n");
381                 return -1;
382         }
383         
384         /*
385          * Allow changing of group type only between domain and local
386          * We disallow changing Builtin groups !!! (SID problem)
387          */ 
388         if (sid_type != SID_NAME_UNKNOWN) { 
389                 if (map.sid_name_use == SID_NAME_WKN_GRP) {
390                         d_printf("You can only change between domain and local groups.\n");
391                         return -1;
392                 }
393                 
394                 map.sid_name_use=sid_type;
395         }
396
397         /* Change comment if new one */
398         if ( ntcomment[0] )
399                 fstrcpy( map.comment, ntcomment );
400                 
401         if ( ntgroup[0] )
402                 fstrcpy( map.nt_name, ntgroup );
403                 
404         if ( unixgrp[0] ) {
405                 gid = nametogid( unixgrp );
406                 if ( gid == -1 ) {
407                         d_printf("Unable to lookup UNIX group %s.  Make sure the group exists.\n",
408                                 unixgrp);
409                         return -1;
410                 }
411                 
412                 map.gid = gid;
413         }
414
415         if ( !pdb_update_group_mapping_entry(&map) ) {
416                 d_printf("Could not update group database\n");
417                 return -1;
418         }
419         
420         d_printf("Updated mapping entry for %s\n", map.nt_name);
421
422         return 0;
423 }
424
425 static int net_groupmap_delete(int argc, const char **argv)
426 {
427         DOM_SID sid;
428         fstring ntgroup = "";
429         fstring sid_string = "";
430         int i;
431
432         /* get the options */
433         for ( i=0; i<argc; i++ ) {
434                 if ( !StrnCaseCmp(argv[i], "ntgroup", strlen("ntgroup")) ) {
435                         fstrcpy( ntgroup, get_string_param( argv[i] ) );
436                         if ( !ntgroup[0] ) {
437                                 d_printf("must supply a name\n");
438                                 return -1;
439                         }               
440                 }
441                 else if ( !StrnCaseCmp(argv[i], "sid", strlen("sid")) ) {
442                         fstrcpy( sid_string, get_string_param( argv[i] ) );
443                         if ( !sid_string[0] ) {
444                                 d_printf("must supply a SID\n");
445                                 return -1;
446                         }               
447                 }
448                 else {
449                         d_printf("Bad option: %s\n", argv[i]);
450                         return -1;
451                 }
452         }
453         
454         if ( !ntgroup[0] && !sid_string[0]) {
455                 d_printf("Usage: net groupmap delete {ntgroup=<string>|sid=<SID>}\n");
456                 return -1;
457         }
458         
459         /* give preference to the SID if we have that */
460         
461         if ( sid_string[0] )
462                 fstrcpy( ntgroup, sid_string );
463                 
464         if ( !get_sid_from_input(&sid, ntgroup) ) {
465                 d_printf("Unable to resolve group %s to a SID\n", ntgroup);
466                 return -1;
467         }
468
469         if ( !pdb_delete_group_mapping_entry(sid) ) {
470                 printf("Failed to removing group %s from the mapping db!\n", ntgroup);
471                 return -1;
472         }
473
474         d_printf("Sucessfully removed %s from the mapping db\n", ntgroup);
475
476         return 0;
477 }
478
479 static int net_groupmap_set(int argc, const char **argv)
480 {
481         const char *ntgroup = NULL;
482         struct group *grp = NULL;
483         GROUP_MAP map;
484         BOOL have_map = False;
485
486         if ((argc < 1) || (argc > 2)) {
487                 d_printf("Usage: net groupmap set \"NT Group\" "
488                          "[\"unix group\"] [-C \"comment\"] [-L] [-D]\n");
489                 return -1;
490         }
491
492         if ( opt_localgroup && opt_domaingroup ) {
493                 d_printf("Can only specify -L or -D, not both\n");
494                 return -1;
495         }
496
497         ntgroup = argv[0];
498
499         if (argc == 2) {
500                 grp = getgrnam(argv[1]);
501
502                 if (grp == NULL) {
503                         d_printf("Could not find unix group %s\n", argv[1]);
504                         return -1;
505                 }
506         }
507
508         have_map = pdb_getgrnam(&map, ntgroup);
509
510         if (!have_map) {
511                 DOM_SID sid;
512                 have_map = ( (strncmp(ntgroup, "S-", 2) == 0) &&
513                              string_to_sid(&sid, ntgroup) &&
514                              pdb_getgrsid(&map, sid) );
515         }
516
517         if (!have_map) {
518
519                 /* Ok, add it */
520
521                 if (grp == NULL) {
522                         d_printf("Could not find group mapping for %s\n",
523                                  ntgroup);
524                         return -1;
525                 }
526
527                 map.gid = grp->gr_gid;
528
529                 if (opt_rid == 0) {
530                         opt_rid = pdb_gid_to_group_rid(map.gid);
531                 }
532
533                 sid_copy(&map.sid, get_global_sam_sid());
534                 sid_append_rid(&map.sid, opt_rid);
535
536                 map.sid_name_use = SID_NAME_DOM_GRP;
537                 fstrcpy(map.nt_name, ntgroup);
538                 fstrcpy(map.comment, "");
539
540                 if (!pdb_add_group_mapping_entry(&map)) {
541                         d_printf("Could not add mapping entry for %s\n",
542                                  ntgroup);
543                         return -1;
544                 }
545         }
546
547         /* Now we have a mapping entry, update that stuff */
548
549         if ( opt_localgroup || opt_domaingroup ) {
550                 if (map.sid_name_use == SID_NAME_WKN_GRP) {
551                         d_printf("Can't change type of the BUILTIN group %s\n",
552                                  map.nt_name);
553                         return -1;
554                 }
555         }
556
557         if (opt_localgroup)
558                 map.sid_name_use = SID_NAME_ALIAS;
559
560         if (opt_domaingroup)
561                 map.sid_name_use = SID_NAME_DOM_GRP;
562
563         /* The case (opt_domaingroup && opt_localgroup) was tested for above */
564
565         if (strlen(opt_comment) > 0)
566                 fstrcpy(map.comment, opt_comment);
567
568         if (strlen(opt_newntname) > 0)
569                 fstrcpy(map.nt_name, opt_newntname);
570
571         if (grp != NULL)
572                 map.gid = grp->gr_gid;
573
574         if (!pdb_update_group_mapping_entry(&map)) {
575                 d_printf("Could not update group mapping for %s\n", ntgroup);
576                 return -1;
577         }
578
579         return 0;
580 }
581
582 static int net_groupmap_cleanup(int argc, const char **argv)
583 {
584         GROUP_MAP *map = NULL;
585         int i, entries;
586
587         if (!pdb_enum_group_mapping(SID_NAME_UNKNOWN, &map, &entries,
588                                     ENUM_ALL_MAPPED)) {
589                 d_printf("Could not list group mappings\n");
590                 return -1;
591         }
592
593         for (i=0; i<entries; i++) {
594
595                 if (map[i].sid_name_use == SID_NAME_WKN_GRP)
596                         continue;
597
598                 if (map[i].gid == -1)
599                         printf("Group %s is not mapped\n", map[i].nt_name);
600
601                 if (!sid_check_is_in_our_domain(&map[i].sid)) {
602                         printf("Deleting mapping for NT Group %s, sid %s\n",
603                                map[i].nt_name,
604                                sid_string_static(&map[i].sid));
605                         pdb_delete_group_mapping_entry(map[i].sid);
606                 }
607         }
608
609         SAFE_FREE(map);
610
611         return 0;
612 }
613
614 static int net_groupmap_addmem(int argc, const char **argv)
615 {
616         DOM_SID alias, member;
617
618         if ( (argc != 2) || 
619              !string_to_sid(&alias, argv[0]) ||
620              !string_to_sid(&member, argv[1]) ) {
621                 d_printf("Usage: net groupmap addmem alias-sid member-sid\n");
622                 return -1;
623         }
624
625         if (!pdb_add_aliasmem(&alias, &member)) {
626                 d_printf("Could not add sid %s to alias %s\n",
627                          argv[1], argv[0]);
628                 return -1;
629         }
630
631         return 0;
632 }
633
634 static int net_groupmap_delmem(int argc, const char **argv)
635 {
636         DOM_SID alias, member;
637
638         if ( (argc != 2) || 
639              !string_to_sid(&alias, argv[0]) ||
640              !string_to_sid(&member, argv[1]) ) {
641                 d_printf("Usage: net groupmap delmem alias-sid member-sid\n");
642                 return -1;
643         }
644
645         if (!pdb_del_aliasmem(&alias, &member)) {
646                 d_printf("Could not delete sid %s from alias %s\n",
647                          argv[1], argv[0]);
648                 return -1;
649         }
650
651         return 0;
652 }
653
654 static int net_groupmap_listmem(int argc, const char **argv)
655 {
656         DOM_SID alias;
657         DOM_SID *members;
658         int i, num;
659         NTSTATUS result;
660
661         if ( (argc != 1) || 
662              !string_to_sid(&alias, argv[0]) ) {
663                 d_printf("Usage: net groupmap listmem alias-sid\n");
664                 return -1;
665         }
666
667         if (!pdb_enum_aliasmem(&alias, &members, &num)) {
668                 d_printf("Could not list members for sid %s: %s\n",
669                          argv[0], nt_errstr(result));
670                 return -1;
671         }
672
673         for (i = 0; i < num; i++) {
674                 printf("%s\n", sid_string_static(&(members[i])));
675         }
676
677         SAFE_FREE(members);
678
679         return 0;
680 }
681
682 static int net_groupmap_memberships(int argc, const char **argv)
683 {
684         DOM_SID member;
685         DOM_SID *aliases;
686         int i, num;
687         NTSTATUS result;
688
689         if ( (argc != 1) || 
690              !string_to_sid(&member, argv[0]) ) {
691                 d_printf("Usage: net groupmap memberof sid\n");
692                 return -1;
693         }
694
695         if (!pdb_enum_alias_memberships(&member, 1, &aliases, &num)) {
696                 d_printf("Could not list memberships for sid %s: %s\n",
697                          argv[0], nt_errstr(result));
698                 return -1;
699         }
700
701         for (i = 0; i < num; i++) {
702                 printf("%s\n", sid_string_static(&(aliases[i])));
703         }
704
705         SAFE_FREE(aliases);
706
707         return 0;
708 }
709
710 int net_help_groupmap(int argc, const char **argv)
711 {
712         d_printf("net groupmap add"\
713                 "\n  Create a new group mapping\n");
714         d_printf("net groupmap modify"\
715                 "\n  Update a group mapping\n");
716         d_printf("net groupmap delete"\
717                 "\n  Remove a group mapping\n");
718         d_printf("net groupmap addmem"\
719                  "\n  Add a foreign alias member\n");
720         d_printf("net groupmap delmem"\
721                  "\n  Delete a foreign alias member\n");
722         d_printf("net groupmap listmem"\
723                  "\n  List foreign group members\n");
724         d_printf("net groupmap memberships"\
725                  "\n  List foreign group memberships\n");
726         d_printf("net groupmap list"\
727                 "\n  List current group map\n");
728         d_printf("net groupmap set"\
729                 "\n  Set group mapping\n");
730         d_printf("net groupmap cleanup"\
731                 "\n  Remove foreign group mapping entries\n");
732         
733         return -1;
734 }
735
736
737 /***********************************************************
738  migrated functionality from smbgroupedit
739  **********************************************************/
740 int net_groupmap(int argc, const char **argv)
741 {
742         struct functable func[] = {
743                 {"add", net_groupmap_add},
744                 {"modify", net_groupmap_modify},
745                 {"delete", net_groupmap_delete},
746                 {"set", net_groupmap_set},
747                 {"cleanup", net_groupmap_cleanup},
748                 {"addmem", net_groupmap_addmem},
749                 {"delmem", net_groupmap_delmem},
750                 {"listmem", net_groupmap_listmem},
751                 {"memberships", net_groupmap_memberships},
752                 {"list", net_groupmap_list},
753                 {"help", net_help_groupmap},
754                 {NULL, NULL}
755         };
756
757         /* we shouldn't have silly checks like this */
758         if (getuid() != 0) {
759                 d_printf("You must be root to edit group mappings.\nExiting...\n");
760                 return -1;
761         }
762         
763         if ( argc )
764                 return net_run_function(argc, argv, func, net_help_groupmap);
765
766         return net_help_groupmap( argc, argv );
767 }
768