diff options
Diffstat (limited to 'source3/utils/net_groupmap.c')
| -rw-r--r-- | source3/utils/net_groupmap.c | 411 |
1 files changed, 411 insertions, 0 deletions
diff --git a/source3/utils/net_groupmap.c b/source3/utils/net_groupmap.c new file mode 100644 index 0000000000..e248cd84f9 --- /dev/null +++ b/source3/utils/net_groupmap.c @@ -0,0 +1,411 @@ +/* + * 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. + * + * 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, MAPPING_WITHOUT_PRIV)) { + 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 ) +{ + fstring string_sid; + fstring group_type; + fstring priv_text; + + decode_sid_name_use(group_type, map.sid_name_use); + sid_to_string(string_sid, &map.sid); + convert_priv_to_text(&(map.priv_set), priv_text); + + if (!long_list) + d_printf("%s (%s) -> %s\n", map.nt_name, string_sid, gidtoname(map.gid)); + else { + d_printf("%s\n", map.nt_name); + d_printf("\tSID : %s\n", string_sid); + d_printf("\tUnix group: %s\n", gidtoname(map.gid)); + d_printf("\tGroup type: %s\n", group_type); + d_printf("\tComment : %s\n", map.comment); + d_printf("\tPrivilege : %s\n\n", priv_text); + } + +} +/********************************************************* + List the groups. +**********************************************************/ +int net_groupmap_list(int argc, const char **argv) +{ + int entries; + BOOL long_list = False; + int i; + fstring ntgroup = ""; + + /* get the options */ + for ( i=0; i<argc; i++ ) { + if ( !StrCaseCmp(argv[i], "verbose")) { + long_list = True; + } + else if ( !StrnCaseCmp(argv[i], "name", strlen("name")) ) { + fstrcpy( ntgroup, get_string_param( argv[i] ) ); + if ( !ntgroup[0] ) { + d_printf("must supply a name\n"); + return -1; + } + } + else { + d_printf("Bad option: %s\n", argv[i]); + return -1; + } + } + + /* list a single group is given a name */ + if ( ntgroup[0] ) { + DOM_SID sid; + GROUP_MAP map; + + if (!get_sid_from_input(&sid, ntgroup)) { + return -1; + } + + /* Get the current mapping from the database */ + if(!pdb_getgrsid(&map, sid, MAPPING_WITH_PRIV)) { + d_printf("Failure to local group SID in the database\n"); + return -1; + } + + print_map_entry( map, long_list ); + free_privilege(&(map.priv_set)); + } + else { + GROUP_MAP *map=NULL; + /* enumerate all group mappings */ + if ( !pdb_enum_group_mapping(SID_NAME_UNKNOWN, &map, &entries, ENUM_ALL_MAPPED, MAPPING_WITH_PRIV) ) + return -1; + + for (i=0; i<entries; i++) { + print_map_entry( map[i], long_list ); + free_privilege(&(map[i].priv_set)); + } + } + + return 0; +} + +/********************************************************* + Add a new group mapping entry +**********************************************************/ + +int net_groupmap_add(int argc, const char **argv) +{ + PRIVILEGE_SET se_priv; + DOM_SID sid; + fstring ntgroup = ""; + fstring string_sid = ""; + fstring type = ""; + fstring ntcomment = ""; + enum SID_NAME_USE sid_type = SID_NAME_UNKNOWN; + 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_printf("RID must be greater than %d\n", (uint32)DOMAIN_GROUP_RID_ADMINS-1); + return -1; + } + } + else if ( !StrnCaseCmp(argv[i], "name", strlen("name")) ) { + fstrcpy( ntgroup, get_string_param( argv[i] ) ); + if ( !ntgroup[0] ) { + d_printf("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_printf("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_printf("Bad option: %s\n", argv[i]); + return -1; + } + } + + if ( !ntgroup[0] || !rid || sid_type==SID_NAME_UNKNOWN ) { + d_printf("Usage: net groupmap add rid=<int> name=<string> type=<domain|local|builtin> [comment=<string>]\n"); + return -1; + } + + sid_copy(&sid, get_global_sam_sid()); + sid_append_rid(&sid, rid); + sid_to_string(string_sid, &sid); + + if (ntcomment[0]) + fstrcpy(ntcomment, "Local Unix group"); + + if ( !(gid = nametogid(ntgroup)) ) { + d_printf("Can't lookup UNIX group %s\n", ntgroup); + return -1; + } + + init_privilege(&se_priv); +#if 0 + if (privilege!=NULL) + convert_priv_from_text(&se_priv, privilege); +#endif + + if (!add_initial_entry(gid, string_sid, sid_type, ntgroup, + ntcomment, se_priv, PR_ACCESS_FROM_NETWORK) ) { + d_printf("adding entry for group %s failed!\n", ntgroup); + return -1; + } + + free_privilege(&se_priv); + + d_printf("Successully added group %s to the mapping db\n", ntgroup); + return 0; +} + +int net_groupmap_modify(int argc, const char **argv) +{ + DOM_SID sid; + GROUP_MAP map; + fstring ntcomment = ""; + fstring type = ""; + fstring ntgroup = ""; + enum SID_NAME_USE sid_type = SID_NAME_UNKNOWN; + int i; + + /* get the options */ + for ( i=0; i<argc; i++ ) { + if ( !StrnCaseCmp(argv[i], "name", strlen("name")) ) { + fstrcpy( ntgroup, get_string_param( argv[i] ) ); + if ( !ntgroup[0] ) { + d_printf("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_printf("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 'd': + case 'D': + sid_type = SID_NAME_DOM_GRP; + break; + case 'l': + case 'L': + sid_type = SID_NAME_ALIAS; + break; + } + } + else { + d_printf("Bad option: %s\n", argv[i]); + return -1; + } + } + + if ( !ntgroup[0] ) { + d_printf("Usage: net groupmap modify name=<string|SID> [comment=<string>] [type=<domain|local>\n"); + return -1; + } + + if (!get_sid_from_input(&sid, ntgroup)) { + return -1; + } + + /* Get the current mapping from the database */ + if(!pdb_getgrsid(&map, sid, MAPPING_WITH_PRIV)) { + d_printf("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_ALIAS + || sid_type==SID_NAME_DOM_GRP + || sid_type==SID_NAME_UNKNOWN) + { + if (map.sid_name_use==SID_NAME_ALIAS + || map.sid_name_use==SID_NAME_DOM_GRP + || map.sid_name_use==SID_NAME_UNKNOWN) + { + map.sid_name_use=sid_type; + } else { + printf("cannot change group type to builtin\n"); + }; + } else { + printf("cannot change group type from builtin\n"); + } + + /* Change comment if new one */ + if ( ntcomment[0] ) + fstrcpy( map.comment, ntcomment ); + +#if 0 + /* Change the privilege if new one */ + if (privilege!=NULL) + convert_priv_from_text(&map.priv_set, privilege); +#endif + + if ( !pdb_update_group_mapping_entry(&map) ) { + d_printf("Could not update group database\n"); + free_privilege(&map.priv_set); + return -1; + } + + free_privilege(&map.priv_set); + + d_printf("Updated mapping entry for %s\n", ntgroup); + + return 0; +} + +int net_groupmap_delete(int argc, const char **argv) +{ + DOM_SID sid; + fstring ntgroup = ""; + int i; + + /* get the options */ + for ( i=0; i<argc; i++ ) { + if ( !StrnCaseCmp(argv[i], "name", strlen("name")) ) { + fstrcpy( ntgroup, get_string_param( argv[i] ) ); + if ( !ntgroup[0] ) { + d_printf("must supply a name\n"); + return -1; + } + } + else { + d_printf("Bad option: %s\n", argv[i]); + return -1; + } + } + + if ( !ntgroup[0] ) { + d_printf("Usage: net groupmap delete name=<string|SID>\n"); + return -1; + } + + if ( !get_sid_from_input(&sid, ntgroup) ) { + d_printf("Unable to resolve group %s to a SID\n", ntgroup); + return -1; + } + + if ( !pdb_delete_group_mapping_entry(sid) ) { + printf("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; +} + |