Initial import
[samba] / source / utils / net_groupmap.c
diff --git a/source/utils/net_groupmap.c b/source/utils/net_groupmap.c
new file mode 100644 (file)
index 0000000..eb33c9d
--- /dev/null
@@ -0,0 +1,812 @@
+/*
+ *  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 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;
+       }
+       
+       if ( (rid == 0) && (string_sid[0] == '\0') ) {
+               d_printf("No rid or sid specified, choosing algorithmic mapping\n");
+               rid = pdb_gid_to_group_rid(gid);
+       }
+
+       /* 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 (!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 ( !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 ( !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 (!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 (!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 (!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 (!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 (!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 (!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.\nExiting...\n");
+               return -1;
+       }
+       
+       if ( argc )
+               return net_run_function(argc, argv, func, net_help_groupmap);
+
+       return net_help_groupmap( argc, argv );
+}
+