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|
/*
* Unix SMB/CIFS implementation.
* RPC Pipe client / server routines
* Copyright (C) Andrew Tridgell 1992-2000,
* Copyright (C) Jean Fran�ois 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 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
#include "utils/net.h"
/*********************************************************
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_tos(&map.sid), gidtoname(map.gid));
else {
d_printf("%s\n", map.nt_name);
d_printf("\tSID : %s\n", sid_string_tos(&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(NULL, 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 lsa_SidType sid_type = SID_NAME_DOM_GRP;
uint32 rid = 0;
gid_t gid;
int i;
GROUP_MAP map;
const char *name_type;
ZERO_STRUCT(map);
/* Default is domain group. */
map.sid_name_use = SID_NAME_DOM_GRP;
name_type = "domain group";
/* 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;
name_type = "wellknown group";
break;
case 'd':
case 'D':
sid_type = SID_NAME_DOM_GRP;
name_type = "domain group";
break;
case 'l':
case 'L':
sid_type = SID_NAME_ALIAS;
name_type = "alias (local) group";
break;
default:
d_fprintf(stderr, "unknown group type %s\n", type);
return -1;
}
}
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 (pdb_getgrgid(&map, gid)) {
d_printf("Unix group %s already mapped to SID %s\n",
unixgrp, sid_string_tos(&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 = algorithmic_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_fstring(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 as a %s\n",
ntgroup, name_type);
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 lsa_SidType 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) {
d_fprintf(stderr, "Can't map to an unknown group type.\n");
return -1;
}
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) {
if ( pdb_rid_algorithm() )
opt_rid = algorithmic_pdb_gid_to_group_rid(map.gid);
else {
if ( !pdb_new_rid((uint32*)&opt_rid) ) {
d_fprintf( stderr, "Could not allocate new RID\n");
return -1;
}
}
}
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(NULL, 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].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_tos(&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_tos(&(members[i])));
}
TALLOC_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_tos(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_tos(&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 );
}
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