* RPC Pipe client / server routines
* Copyright (C) Andrew Tridgell 1992-2000,
* Copyright (C) Jean François Micouleau 1998-2001.
+ * Copyright (C) Volker Lendecke 2006.
+ * Copyright (C) Gerald Carter 2006.
*
* 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
*/
#include "includes.h"
+#include "groupdb/mapping.h"
-static TDB_CONTEXT *tdb; /* used for driver files */
+static const struct mapping_backend *backend;
-#define DATABASE_VERSION_V1 1 /* native byte format. */
-#define DATABASE_VERSION_V2 2 /* le format. */
-
-#define GROUP_PREFIX "UNIXGROUP/"
-
-/* Alias memberships are stored reverse, as memberships. The performance
- * critical operation is to determine the aliases a SID is member of, not
- * listing alias members. So we store a list of alias SIDs a SID is member of
- * hanging of the member as key.
+/*
+ initialise a group mapping backend
*/
-#define MEMBEROF_PREFIX "MEMBEROF/"
-
-/****************************************************************************
-dump the mapping group mapping to a text file
-****************************************************************************/
-char *decode_sid_name_use(fstring group, enum SID_NAME_USE name_use)
-{
- static fstring group_type;
-
- switch(name_use) {
- case SID_NAME_USER:
- fstrcpy(group_type,"User");
- break;
- case SID_NAME_DOM_GRP:
- fstrcpy(group_type,"Domain group");
- break;
- case SID_NAME_DOMAIN:
- fstrcpy(group_type,"Domain");
- break;
- case SID_NAME_ALIAS:
- fstrcpy(group_type,"Local group");
- break;
- case SID_NAME_WKN_GRP:
- fstrcpy(group_type,"Builtin group");
- break;
- case SID_NAME_DELETED:
- fstrcpy(group_type,"Deleted");
- break;
- case SID_NAME_INVALID:
- fstrcpy(group_type,"Invalid");
- break;
- case SID_NAME_UNKNOWN:
- default:
- fstrcpy(group_type,"Unknown type");
- break;
- }
-
- fstrcpy(group, group_type);
- return group_type;
-}
-
-/****************************************************************************
-initialise first time the mapping list - called from init_group_mapping()
-****************************************************************************/
-static BOOL default_group_mapping(void)
-{
- DOM_SID sid_admins;
- DOM_SID sid_users;
- DOM_SID sid_guests;
- fstring str_admins;
- fstring str_users;
- fstring str_guests;
-
- /* Add the Wellknown groups */
-
- add_initial_entry(-1, "S-1-5-32-544", SID_NAME_WKN_GRP, "Administrators", "");
- add_initial_entry(-1, "S-1-5-32-545", SID_NAME_WKN_GRP, "Users", "");
- add_initial_entry(-1, "S-1-5-32-546", SID_NAME_WKN_GRP, "Guests", "");
- add_initial_entry(-1, "S-1-5-32-547", SID_NAME_WKN_GRP, "Power Users", "");
- add_initial_entry(-1, "S-1-5-32-548", SID_NAME_WKN_GRP, "Account Operators", "");
- add_initial_entry(-1, "S-1-5-32-549", SID_NAME_WKN_GRP, "System Operators", "");
- add_initial_entry(-1, "S-1-5-32-550", SID_NAME_WKN_GRP, "Print Operators", "");
- add_initial_entry(-1, "S-1-5-32-551", SID_NAME_WKN_GRP, "Backup Operators", "");
- add_initial_entry(-1, "S-1-5-32-552", SID_NAME_WKN_GRP, "Replicators", "");
-
- /* Add the defaults domain groups */
-
- sid_copy(&sid_admins, get_global_sam_sid());
- sid_append_rid(&sid_admins, DOMAIN_GROUP_RID_ADMINS);
- sid_to_string(str_admins, &sid_admins);
- add_initial_entry(-1, str_admins, SID_NAME_DOM_GRP, "Domain Admins", "");
-
- sid_copy(&sid_users, get_global_sam_sid());
- sid_append_rid(&sid_users, DOMAIN_GROUP_RID_USERS);
- sid_to_string(str_users, &sid_users);
- add_initial_entry(-1, str_users, SID_NAME_DOM_GRP, "Domain Users", "");
-
- sid_copy(&sid_guests, get_global_sam_sid());
- sid_append_rid(&sid_guests, DOMAIN_GROUP_RID_GUESTS);
- sid_to_string(str_guests, &sid_guests);
- add_initial_entry(-1, str_guests, SID_NAME_DOM_GRP, "Domain Guests", "");
-
- return True;
-}
-
-/****************************************************************************
- Open the group mapping tdb.
-****************************************************************************/
-
static BOOL init_group_mapping(void)
{
- const char *vstring = "INFO/version";
- int32 vers_id;
-
- if (tdb)
- return True;
- tdb = tdb_open_log(lock_path("group_mapping.tdb"), 0, TDB_DEFAULT, O_RDWR|O_CREAT, 0600);
- if (!tdb) {
- DEBUG(0,("Failed to open group mapping database\n"));
- return False;
- }
-
- /* handle a Samba upgrade */
- tdb_lock_bystring(tdb, vstring, 0);
-
- /* Cope with byte-reversed older versions of the db. */
- vers_id = tdb_fetch_int32(tdb, vstring);
- if ((vers_id == DATABASE_VERSION_V1) || (IREV(vers_id) == DATABASE_VERSION_V1)) {
- /* Written on a bigendian machine with old fetch_int code. Save as le. */
- tdb_store_int32(tdb, vstring, DATABASE_VERSION_V2);
- vers_id = DATABASE_VERSION_V2;
- }
-
- if (vers_id != DATABASE_VERSION_V2) {
- tdb_traverse(tdb, tdb_traverse_delete_fn, NULL);
- tdb_store_int32(tdb, vstring, DATABASE_VERSION_V2);
- }
-
- tdb_unlock_bystring(tdb, vstring);
-
- /* write a list of default groups */
- if(!default_group_mapping())
- return False;
-
- return True;
-}
-
-/****************************************************************************
-****************************************************************************/
-static BOOL add_mapping_entry(GROUP_MAP *map, int flag)
-{
- TDB_DATA kbuf, dbuf;
- pstring key, buf;
- fstring string_sid="";
- int len;
-
- if(!init_group_mapping()) {
- DEBUG(0,("failed to initialize group mapping\n"));
- return(False);
- }
-
- sid_to_string(string_sid, &map->sid);
-
- len = tdb_pack(buf, sizeof(buf), "ddff",
- map->gid, map->sid_name_use, map->nt_name, map->comment);
-
- if (len > sizeof(buf))
- return False;
-
- slprintf(key, sizeof(key), "%s%s", GROUP_PREFIX, string_sid);
-
- kbuf.dsize = strlen(key)+1;
- kbuf.dptr = key;
- dbuf.dsize = len;
- dbuf.dptr = buf;
- if (tdb_store(tdb, kbuf, dbuf, flag) != 0) return False;
-
- return True;
-}
-
-/****************************************************************************
-initialise first time the mapping list
-****************************************************************************/
-BOOL add_initial_entry(gid_t gid, const char *sid, enum SID_NAME_USE sid_name_use, const char *nt_name, const char *comment)
-{
- GROUP_MAP map;
-
- if(!init_group_mapping()) {
- DEBUG(0,("failed to initialize group mapping\n"));
- return(False);
- }
-
- map.gid=gid;
- if (!string_to_sid(&map.sid, sid)) {
- DEBUG(0, ("string_to_sid failed: %s", sid));
- return False;
- }
-
- map.sid_name_use=sid_name_use;
- fstrcpy(map.nt_name, nt_name);
- fstrcpy(map.comment, comment);
-
- return pdb_add_group_mapping_entry(&map);
-}
-
-/****************************************************************************
- Return the sid and the type of the unix group.
-****************************************************************************/
-
-static BOOL get_group_map_from_sid(DOM_SID sid, GROUP_MAP *map)
-{
- TDB_DATA kbuf, dbuf;
- pstring key;
- fstring string_sid;
- int ret = 0;
-
- if(!init_group_mapping()) {
- DEBUG(0,("failed to initialize group mapping\n"));
- return(False);
- }
-
- /* the key is the SID, retrieving is direct */
-
- sid_to_string(string_sid, &sid);
- slprintf(key, sizeof(key), "%s%s", GROUP_PREFIX, string_sid);
-
- kbuf.dptr = key;
- kbuf.dsize = strlen(key)+1;
-
- dbuf = tdb_fetch(tdb, kbuf);
- if (!dbuf.dptr)
- return False;
-
- ret = tdb_unpack(dbuf.dptr, dbuf.dsize, "ddff",
- &map->gid, &map->sid_name_use, &map->nt_name, &map->comment);
-
- SAFE_FREE(dbuf.dptr);
-
- if ( ret == -1 ) {
- DEBUG(3,("get_group_map_from_sid: tdb_unpack failure\n"));
- return False;
- }
-
- sid_copy(&map->sid, &sid);
-
- return True;
-}
-
-/****************************************************************************
- Return the sid and the type of the unix group.
-****************************************************************************/
-
-static BOOL get_group_map_from_gid(gid_t gid, GROUP_MAP *map)
-{
- TDB_DATA kbuf, dbuf, newkey;
- fstring string_sid;
- int ret;
-
- if(!init_group_mapping()) {
- DEBUG(0,("failed to initialize group mapping\n"));
- return(False);
- }
-
- /* we need to enumerate the TDB to find the GID */
-
- for (kbuf = tdb_firstkey(tdb);
- kbuf.dptr;
- newkey = tdb_nextkey(tdb, kbuf), safe_free(kbuf.dptr), kbuf=newkey) {
-
- if (strncmp(kbuf.dptr, GROUP_PREFIX, strlen(GROUP_PREFIX)) != 0) continue;
-
- dbuf = tdb_fetch(tdb, kbuf);
- if (!dbuf.dptr)
- continue;
-
- fstrcpy(string_sid, kbuf.dptr+strlen(GROUP_PREFIX));
-
- string_to_sid(&map->sid, string_sid);
-
- ret = tdb_unpack(dbuf.dptr, dbuf.dsize, "ddff",
- &map->gid, &map->sid_name_use, &map->nt_name, &map->comment);
-
- SAFE_FREE(dbuf.dptr);
-
- if ( ret == -1 ) {
- DEBUG(3,("get_group_map_from_gid: tdb_unpack failure\n"));
- return False;
- }
-
- if (gid==map->gid) {
- SAFE_FREE(kbuf.dptr);
- return True;
- }
- }
-
- return False;
-}
-
-/****************************************************************************
- Return the sid and the type of the unix group.
-****************************************************************************/
-
-static BOOL get_group_map_from_ntname(const char *name, GROUP_MAP *map)
-{
- TDB_DATA kbuf, dbuf, newkey;
- fstring string_sid;
- int ret;
-
- if(!init_group_mapping()) {
- DEBUG(0,("get_group_map_from_ntname:failed to initialize group mapping\n"));
- return(False);
- }
-
- /* we need to enumerate the TDB to find the name */
-
- for (kbuf = tdb_firstkey(tdb);
- kbuf.dptr;
- newkey = tdb_nextkey(tdb, kbuf), safe_free(kbuf.dptr), kbuf=newkey) {
-
- if (strncmp(kbuf.dptr, GROUP_PREFIX, strlen(GROUP_PREFIX)) != 0) continue;
-
- dbuf = tdb_fetch(tdb, kbuf);
- if (!dbuf.dptr)
- continue;
-
- fstrcpy(string_sid, kbuf.dptr+strlen(GROUP_PREFIX));
-
- string_to_sid(&map->sid, string_sid);
-
- ret = tdb_unpack(dbuf.dptr, dbuf.dsize, "ddff",
- &map->gid, &map->sid_name_use, &map->nt_name, &map->comment);
-
- SAFE_FREE(dbuf.dptr);
-
- if ( ret == -1 ) {
- DEBUG(3,("get_group_map_from_ntname: tdb_unpack failure\n"));
- return False;
- }
-
- if (StrCaseCmp(name, map->nt_name)==0) {
- SAFE_FREE(kbuf.dptr);
- return True;
- }
- }
-
- return False;
-}
-
-/****************************************************************************
- Remove a group mapping entry.
-****************************************************************************/
-
-static BOOL group_map_remove(const DOM_SID *sid)
-{
- TDB_DATA kbuf, dbuf;
- pstring key;
- fstring string_sid;
-
- if(!init_group_mapping()) {
- DEBUG(0,("failed to initialize group mapping\n"));
- return(False);
- }
-
- /* the key is the SID, retrieving is direct */
-
- sid_to_string(string_sid, sid);
- slprintf(key, sizeof(key), "%s%s", GROUP_PREFIX, string_sid);
-
- kbuf.dptr = key;
- kbuf.dsize = strlen(key)+1;
-
- dbuf = tdb_fetch(tdb, kbuf);
- if (!dbuf.dptr)
- return False;
-
- SAFE_FREE(dbuf.dptr);
-
- if(tdb_delete(tdb, kbuf) != TDB_SUCCESS)
- return False;
-
- return True;
-}
-
-/****************************************************************************
- Enumerate the group mapping.
-****************************************************************************/
-
-static BOOL enum_group_mapping(enum SID_NAME_USE sid_name_use, GROUP_MAP **pp_rmap,
- size_t *p_num_entries, BOOL unix_only)
-{
- TDB_DATA kbuf, dbuf, newkey;
- fstring string_sid;
- fstring group_type;
- GROUP_MAP map;
- GROUP_MAP *mapt;
- int ret;
- size_t entries=0;
+ const char *backend_string;
- if(!init_group_mapping()) {
- DEBUG(0,("failed to initialize group mapping\n"));
- return(False);
+ if (backend != NULL) {
+ /* already initialised */
+ return True;
}
-
- *p_num_entries=0;
- *pp_rmap=NULL;
-
- for (kbuf = tdb_firstkey(tdb);
- kbuf.dptr;
- newkey = tdb_nextkey(tdb, kbuf), safe_free(kbuf.dptr), kbuf=newkey) {
-
- if (strncmp(kbuf.dptr, GROUP_PREFIX, strlen(GROUP_PREFIX)) != 0)
- continue;
-
- dbuf = tdb_fetch(tdb, kbuf);
- if (!dbuf.dptr)
- continue;
-
- fstrcpy(string_sid, kbuf.dptr+strlen(GROUP_PREFIX));
-
- ret = tdb_unpack(dbuf.dptr, dbuf.dsize, "ddff",
- &map.gid, &map.sid_name_use, &map.nt_name, &map.comment);
-
- SAFE_FREE(dbuf.dptr);
-
- if ( ret == -1 ) {
- DEBUG(3,("enum_group_mapping: tdb_unpack failure\n"));
- continue;
- }
- /* list only the type or everything if UNKNOWN */
- if (sid_name_use!=SID_NAME_UNKNOWN && sid_name_use!=map.sid_name_use) {
- DEBUG(11,("enum_group_mapping: group %s is not of the requested type\n", map.nt_name));
- continue;
- }
-
- if (unix_only==ENUM_ONLY_MAPPED && map.gid==-1) {
- DEBUG(11,("enum_group_mapping: group %s is non mapped\n", map.nt_name));
- continue;
- }
-
- string_to_sid(&map.sid, string_sid);
-
- decode_sid_name_use(group_type, map.sid_name_use);
- DEBUG(11,("enum_group_mapping: returning group %s of type %s\n", map.nt_name ,group_type));
-
- mapt= SMB_REALLOC_ARRAY((*pp_rmap), GROUP_MAP, entries+1);
- if (!mapt) {
- DEBUG(0,("enum_group_mapping: Unable to enlarge group map!\n"));
- SAFE_FREE(*pp_rmap);
- return False;
- }
- else
- (*pp_rmap) = mapt;
-
- mapt[entries].gid = map.gid;
- sid_copy( &mapt[entries].sid, &map.sid);
- mapt[entries].sid_name_use = map.sid_name_use;
- fstrcpy(mapt[entries].nt_name, map.nt_name);
- fstrcpy(mapt[entries].comment, map.comment);
-
- entries++;
-
- }
-
- *p_num_entries=entries;
-
- return True;
-}
-
-/* This operation happens on session setup, so it should better be fast. We
- * store a list of aliases a SID is member of hanging off MEMBEROF/SID. */
-
-static NTSTATUS one_alias_membership(const DOM_SID *member,
- DOM_SID **sids, size_t *num)
-{
- fstring key, string_sid;
- TDB_DATA kbuf, dbuf;
- const char *p;
-
- if (!init_group_mapping()) {
- DEBUG(0,("failed to initialize group mapping\n"));
- return NT_STATUS_ACCESS_DENIED;
- }
-
- sid_to_string(string_sid, member);
- slprintf(key, sizeof(key), "%s%s", MEMBEROF_PREFIX, string_sid);
-
- kbuf.dsize = strlen(key)+1;
- kbuf.dptr = key;
-
- dbuf = tdb_fetch(tdb, kbuf);
-
- if (dbuf.dptr == NULL) {
- return NT_STATUS_OK;
- }
-
- p = dbuf.dptr;
-
- while (next_token(&p, string_sid, " ", sizeof(string_sid))) {
-
- DOM_SID alias;
-
- if (!string_to_sid(&alias, string_sid))
- continue;
-
- add_sid_to_array_unique(NULL, &alias, sids, num);
-
- if (sids == NULL)
- return NT_STATUS_NO_MEMORY;
- }
-
- SAFE_FREE(dbuf.dptr);
- return NT_STATUS_OK;
-}
-
-static NTSTATUS alias_memberships(const DOM_SID *members, size_t num_members,
- DOM_SID **sids, size_t *num)
-{
- size_t i;
-
- *num = 0;
- *sids = NULL;
-
- for (i=0; i<num_members; i++) {
- NTSTATUS status = one_alias_membership(&members[i], sids, num);
- if (!NT_STATUS_IS_OK(status))
- return status;
- }
- return NT_STATUS_OK;
-}
-
-static BOOL is_aliasmem(const DOM_SID *alias, const DOM_SID *member)
-{
- DOM_SID *sids;
- size_t i, num;
-
- /* This feels the wrong way round, but the on-disk data structure
- * dictates it this way. */
- if (!NT_STATUS_IS_OK(alias_memberships(member, 1, &sids, &num)))
- return False;
-
- for (i=0; i<num; i++) {
- if (sid_compare(alias, &sids[i]) == 0) {
- SAFE_FREE(sids);
- return True;
- }
- }
- SAFE_FREE(sids);
- return False;
-}
-
-static NTSTATUS add_aliasmem(const DOM_SID *alias, const DOM_SID *member)
-{
- GROUP_MAP map;
- TDB_DATA kbuf, dbuf;
- pstring key;
- fstring string_sid;
- char *new_memberstring;
- int result;
-
- if(!init_group_mapping()) {
- DEBUG(0,("failed to initialize group mapping\n"));
- return NT_STATUS_ACCESS_DENIED;
- }
-
- if (!get_group_map_from_sid(*alias, &map))
- return NT_STATUS_NO_SUCH_ALIAS;
-
- if ( (map.sid_name_use != SID_NAME_ALIAS) &&
- (map.sid_name_use != SID_NAME_WKN_GRP) )
- return NT_STATUS_NO_SUCH_ALIAS;
-
- if (is_aliasmem(alias, member))
- return NT_STATUS_MEMBER_IN_ALIAS;
-
- sid_to_string(string_sid, member);
- slprintf(key, sizeof(key), "%s%s", MEMBEROF_PREFIX, string_sid);
-
- kbuf.dsize = strlen(key)+1;
- kbuf.dptr = key;
-
- dbuf = tdb_fetch(tdb, kbuf);
-
- sid_to_string(string_sid, alias);
-
- if (dbuf.dptr != NULL) {
- asprintf(&new_memberstring, "%s %s", (char *)(dbuf.dptr),
- string_sid);
+ /* default to using the ldb backend. This parameter should
+ disappear in future versions of Samba3, but for now it
+ provides a safety net in case any major problems are
+ discovered with ldb after the release */
+ backend_string = lp_parm_const_string(-1, "groupdb", "backend", "ldb");
+
+ if (strcmp(backend_string, "ldb") == 0) {
+ backend = groupdb_ldb_init();
+ } else if (strcmp(backend_string, "tdb") == 0) {
+ backend = groupdb_tdb_init();
} else {
- new_memberstring = SMB_STRDUP(string_sid);
- }
-
- if (new_memberstring == NULL)
- return NT_STATUS_NO_MEMORY;
-
- SAFE_FREE(dbuf.dptr);
- dbuf.dsize = strlen(new_memberstring)+1;
- dbuf.dptr = new_memberstring;
-
- result = tdb_store(tdb, kbuf, dbuf, 0);
-
- SAFE_FREE(new_memberstring);
-
- return (result == 0 ? NT_STATUS_OK : NT_STATUS_ACCESS_DENIED);
-}
-
-struct aliasmem_closure {
- const DOM_SID *alias;
- DOM_SID **sids;
- size_t *num;
-};
-
-static int collect_aliasmem(TDB_CONTEXT *tdb_ctx, TDB_DATA key, TDB_DATA data,
- void *state)
-{
- struct aliasmem_closure *closure = (struct aliasmem_closure *)state;
- const char *p;
- fstring alias_string;
-
- if (strncmp(key.dptr, MEMBEROF_PREFIX,
- strlen(MEMBEROF_PREFIX)) != 0)
- return 0;
-
- p = data.dptr;
-
- while (next_token(&p, alias_string, " ", sizeof(alias_string))) {
-
- DOM_SID alias, member;
- const char *member_string;
-
-
- if (!string_to_sid(&alias, alias_string))
- continue;
-
- if (sid_compare(closure->alias, &alias) != 0)
- continue;
-
- /* Ok, we found the alias we're looking for in the membership
- * list currently scanned. The key represents the alias
- * member. Add that. */
-
- member_string = strchr(key.dptr, '/');
-
- /* Above we tested for MEMBEROF_PREFIX which includes the
- * slash. */
-
- SMB_ASSERT(member_string != NULL);
- member_string += 1;
-
- if (!string_to_sid(&member, member_string))
- continue;
-
- add_sid_to_array(NULL, &member, closure->sids, closure->num);
+ DEBUG(0,("Unknown groupdb backend '%s'\n", backend_string));
+ smb_panic("Unknown groupdb backend\n");
}
-
- return 0;
+ return backend != NULL;
}
-static NTSTATUS enum_aliasmem(const DOM_SID *alias, DOM_SID **sids, size_t *num)
+/****************************************************************************
+initialise first time the mapping list
+****************************************************************************/
+NTSTATUS add_initial_entry(gid_t gid, const char *sid, enum lsa_SidType sid_name_use, const char *nt_name, const char *comment)
{
GROUP_MAP map;
- struct aliasmem_closure closure;
if(!init_group_mapping()) {
DEBUG(0,("failed to initialize group mapping\n"));
- return NT_STATUS_ACCESS_DENIED;
+ return NT_STATUS_UNSUCCESSFUL;
}
+
+ map.gid=gid;
+ if (!string_to_sid(&map.sid, sid)) {
+ DEBUG(0, ("string_to_sid failed: %s", sid));
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+
+ map.sid_name_use=sid_name_use;
+ fstrcpy(map.nt_name, nt_name);
+ fstrcpy(map.comment, comment);
- if (!get_group_map_from_sid(*alias, &map))
- return NT_STATUS_NO_SUCH_ALIAS;
-
- if ( (map.sid_name_use != SID_NAME_ALIAS) &&
- (map.sid_name_use != SID_NAME_WKN_GRP) )
- return NT_STATUS_NO_SUCH_ALIAS;
-
- *sids = NULL;
- *num = 0;
-
- closure.alias = alias;
- closure.sids = sids;
- closure.num = num;
-
- tdb_traverse(tdb, collect_aliasmem, &closure);
- return NT_STATUS_OK;
+ return pdb_add_group_mapping_entry(&map);
}
-static NTSTATUS del_aliasmem(const DOM_SID *alias, const DOM_SID *member)
+static NTSTATUS alias_memberships(const DOM_SID *members, size_t num_members,
+ DOM_SID **sids, size_t *num)
{
- NTSTATUS result;
- DOM_SID *sids;
- size_t i, num;
- BOOL found = False;
- char *member_string;
- TDB_DATA kbuf, dbuf;
- pstring key;
- fstring sid_string;
-
- result = alias_memberships(member, 1, &sids, &num);
-
- if (!NT_STATUS_IS_OK(result))
- return result;
-
- for (i=0; i<num; i++) {
- if (sid_compare(&sids[i], alias) == 0) {
- found = True;
- break;
- }
- }
-
- if (!found) {
- SAFE_FREE(sids);
- return NT_STATUS_MEMBER_NOT_IN_ALIAS;
- }
-
- if (i < num)
- sids[i] = sids[num-1];
-
- num -= 1;
-
- sid_to_string(sid_string, member);
- slprintf(key, sizeof(key), "%s%s", MEMBEROF_PREFIX, sid_string);
-
- kbuf.dsize = strlen(key)+1;
- kbuf.dptr = key;
-
- if (num == 0)
- return tdb_delete(tdb, kbuf) == 0 ?
- NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
-
- member_string = SMB_STRDUP("");
-
- if (member_string == NULL) {
- SAFE_FREE(sids);
- return NT_STATUS_NO_MEMORY;
- }
-
- for (i=0; i<num; i++) {
- char *s = member_string;
+ size_t i;
- sid_to_string(sid_string, &sids[i]);
- asprintf(&member_string, "%s %s", s, sid_string);
+ *num = 0;
+ *sids = NULL;
- SAFE_FREE(s);
- if (member_string == NULL) {
- SAFE_FREE(sids);
- return NT_STATUS_NO_MEMORY;
- }
+ for (i=0; i<num_members; i++) {
+ NTSTATUS status = backend->one_alias_membership(&members[i], sids, num);
+ if (!NT_STATUS_IS_OK(status))
+ return status;
}
+ return NT_STATUS_OK;
+}
- dbuf.dsize = strlen(member_string)+1;
- dbuf.dptr = member_string;
-
- result = tdb_store(tdb, kbuf, dbuf, 0) == 0 ?
- NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
+struct aliasmem_closure {
+ const DOM_SID *alias;
+ DOM_SID **sids;
+ size_t *num;
+};
- SAFE_FREE(sids);
- SAFE_FREE(member_string);
- return result;
-}
/*
*
ret = pdb_getgrsid(map, sid);
unbecome_root();
- if ( !ret )
+ /* special case check for rid 513 */
+
+ if ( !ret ) {
+ uint32 rid;
+
+ sid_peek_rid( &sid, &rid );
+
+ if ( rid == DOMAIN_GROUP_RID_USERS ) {
+ fstrcpy( map->nt_name, "None" );
+ fstrcpy( map->comment, "Ordinary Users" );
+ sid_copy( &map->sid, &sid );
+ map->sid_name_use = SID_NAME_DOM_GRP;
+
+ return True;
+ }
+
return False;
+ }
DEBUG(10, ("get_domain_group_from_sid: SID found in the TDB\n"));
return True;
}
-
-/* get a local (alias) group from it's SID */
-
-BOOL get_local_group_from_sid(DOM_SID *sid, GROUP_MAP *map)
-{
- BOOL ret;
-
- if(!init_group_mapping()) {
- DEBUG(0,("failed to initialize group mapping\n"));
- return(False);
- }
-
- /* The group is in the mapping table */
- become_root();
- ret = pdb_getgrsid(map, *sid);
- unbecome_root();
-
- if ( !ret )
- return False;
-
- if ( ( (map->sid_name_use != SID_NAME_ALIAS) &&
- (map->sid_name_use != SID_NAME_WKN_GRP) )
- || (map->gid == -1)
- || (getgrgid(map->gid) == NULL) )
- {
- return False;
- }
-
-#if 1 /* JERRY */
- /* local groups only exist in the group mapping DB so this
- is not necessary */
-
- else {
- /* the group isn't in the mapping table.
- * make one based on the unix information */
- uint32 alias_rid;
- struct group *grp;
-
- sid_peek_rid(sid, &alias_rid);
- map->gid=pdb_group_rid_to_gid(alias_rid);
-
- grp = getgrgid(map->gid);
- if ( !grp ) {
- DEBUG(3,("get_local_group_from_sid: No unix group for [%ul]\n", map->gid));
- return False;
- }
-
- map->sid_name_use=SID_NAME_ALIAS;
-
- fstrcpy(map->nt_name, grp->gr_name);
- fstrcpy(map->comment, "Local Unix Group");
-
- sid_copy(&map->sid, sid);
- }
-#endif
-
- return True;
-}
-
-/* get a builtin group from it's SID */
-
-BOOL get_builtin_group_from_sid(DOM_SID *sid, GROUP_MAP *map)
-{
- BOOL ret;
-
-
- if(!init_group_mapping()) {
- DEBUG(0,("failed to initialize group mapping\n"));
- return(False);
- }
-
- become_root();
- ret = pdb_getgrsid(map, *sid);
- unbecome_root();
-
- if ( !ret )
- return False;
-
- if (map->sid_name_use!=SID_NAME_WKN_GRP) {
- return False;
- }
-
- if (map->gid==-1) {
- return False;
- }
-
- if ( getgrgid(map->gid) == NULL) {
- return False;
- }
-
- return True;
-}
-
-
-
-/****************************************************************************
-Returns a GROUP_MAP struct based on the gid.
-****************************************************************************/
-BOOL get_group_from_gid(gid_t gid, GROUP_MAP *map)
-{
- BOOL ret;
-
- if(!init_group_mapping()) {
- DEBUG(0,("failed to initialize group mapping\n"));
- return(False);
- }
-
- if ( getgrgid(gid) == NULL)
- return False;
-
- become_root();
- ret = pdb_getgrgid(map, gid);
- unbecome_root();
-
- if ( !ret ) {
- return False;
- }
-
- return True;
-}
-
/****************************************************************************
Create a UNIX group on demand.
****************************************************************************/
-int smb_create_group(char *unix_group, gid_t *new_gid)
+int smb_create_group(const char *unix_group, gid_t *new_gid)
{
pstring add_script;
int ret = -1;
if ( *lp_addgroup_script() ) {
pstrcpy(add_script, lp_addgroup_script());
pstring_sub(add_script, "%g", unix_group);
- ret = smbrun(add_script, (new_gid!=NULL) ? &fd : NULL);
+ ret = smbrun(add_script, &fd);
DEBUG(ret ? 0 : 3,("smb_create_group: Running the command `%s' gave %d\n",add_script,ret));
+ if (ret == 0) {
+ smb_nscd_flush_group_cache();
+ }
if (ret != 0)
return ret;
-
+
if (fd != 0) {
fstring output;
Delete a UNIX group on demand.
****************************************************************************/
-int smb_delete_group(char *unix_group)
+int smb_delete_group(const char *unix_group)
{
pstring del_script;
int ret;
pstring_sub(del_script, "%g", unix_group);
ret = smbrun(del_script,NULL);
DEBUG(ret ? 0 : 3,("smb_delete_group: Running the command `%s' gave %d\n",del_script,ret));
+ if (ret == 0) {
+ smb_nscd_flush_group_cache();
+ }
return ret;
}
flush_pwnam_cache();
DEBUG(ret ? 0 : 3,("smb_set_primary_group: "
"Running the command `%s' gave %d\n",add_script,ret));
+ if (ret == 0) {
+ smb_nscd_flush_group_cache();
+ }
return ret;
}
Add a user to a UNIX group.
****************************************************************************/
-int smb_add_user_group(char *unix_group, char *unix_user)
+int smb_add_user_group(const char *unix_group, const char *unix_user)
{
pstring add_script;
int ret;
pstring_sub(add_script, "%u", unix_user);
ret = smbrun(add_script,NULL);
DEBUG(ret ? 0 : 3,("smb_add_user_group: Running the command `%s' gave %d\n",add_script,ret));
+ if (ret == 0) {
+ smb_nscd_flush_group_cache();
+ }
return ret;
}
pstring_sub(del_script, "%u", unix_user);
ret = smbrun(del_script,NULL);
DEBUG(ret ? 0 : 3,("smb_delete_user_group: Running the command `%s' gave %d\n",del_script,ret));
+ if (ret == 0) {
+ smb_nscd_flush_group_cache();
+ }
return ret;
}
NTSTATUS pdb_default_getgrsid(struct pdb_methods *methods, GROUP_MAP *map,
DOM_SID sid)
{
- return get_group_map_from_sid(sid, map) ?
+ if (!init_group_mapping()) {
+ DEBUG(0,("failed to initialize group mapping\n"));
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+ return backend->get_group_map_from_sid(sid, map) ?
NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
}
NTSTATUS pdb_default_getgrgid(struct pdb_methods *methods, GROUP_MAP *map,
gid_t gid)
{
- return get_group_map_from_gid(gid, map) ?
+ if (!init_group_mapping()) {
+ DEBUG(0,("failed to initialize group mapping\n"));
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+ return backend->get_group_map_from_gid(gid, map) ?
NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
}
NTSTATUS pdb_default_getgrnam(struct pdb_methods *methods, GROUP_MAP *map,
const char *name)
{
- return get_group_map_from_ntname(name, map) ?
+ if (!init_group_mapping()) {
+ DEBUG(0,("failed to initialize group mapping\n"));
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+ return backend->get_group_map_from_ntname(name, map) ?
NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
}
NTSTATUS pdb_default_add_group_mapping_entry(struct pdb_methods *methods,
GROUP_MAP *map)
{
- return add_mapping_entry(map, TDB_INSERT) ?
+ if (!init_group_mapping()) {
+ DEBUG(0,("failed to initialize group mapping\n"));
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+ return backend->add_mapping_entry(map, TDB_INSERT) ?
NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
}
NTSTATUS pdb_default_update_group_mapping_entry(struct pdb_methods *methods,
GROUP_MAP *map)
{
- return add_mapping_entry(map, TDB_REPLACE) ?
+ if (!init_group_mapping()) {
+ DEBUG(0,("failed to initialize group mapping\n"));
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+ return backend->add_mapping_entry(map, TDB_REPLACE) ?
NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
}
NTSTATUS pdb_default_delete_group_mapping_entry(struct pdb_methods *methods,
DOM_SID sid)
{
- return group_map_remove(&sid) ?
+ if (!init_group_mapping()) {
+ DEBUG(0,("failed to initialize group mapping\n"));
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+ return backend->group_map_remove(&sid) ?
NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
}
NTSTATUS pdb_default_enum_group_mapping(struct pdb_methods *methods,
- enum SID_NAME_USE sid_name_use,
+ const DOM_SID *sid, enum lsa_SidType sid_name_use,
GROUP_MAP **pp_rmap, size_t *p_num_entries,
BOOL unix_only)
{
- return enum_group_mapping(sid_name_use, pp_rmap, p_num_entries, unix_only) ?
+ if (!init_group_mapping()) {
+ DEBUG(0,("failed to initialize group mapping\n"));
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+ return backend->enum_group_mapping(sid, sid_name_use, pp_rmap, p_num_entries, unix_only) ?
NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
}
-NTSTATUS pdb_default_find_alias(struct pdb_methods *methods,
- const char *name, DOM_SID *sid)
-{
- GROUP_MAP map;
-
- if (!pdb_getgrnam(&map, name))
- return NT_STATUS_NO_SUCH_ALIAS;
-
- if ((map.sid_name_use != SID_NAME_WKN_GRP) &&
- (map.sid_name_use != SID_NAME_ALIAS))
- return NT_STATUS_OBJECT_TYPE_MISMATCH;
-
- sid_copy(sid, &map.sid);
- return NT_STATUS_OK;
-}
-
NTSTATUS pdb_default_create_alias(struct pdb_methods *methods,
const char *name, uint32 *rid)
{
DOM_SID sid;
- enum SID_NAME_USE type;
+ enum lsa_SidType type;
uint32 new_rid;
gid_t gid;
BOOL exists;
GROUP_MAP map;
+ TALLOC_CTX *mem_ctx;
+ NTSTATUS status;
- TALLOC_CTX *mem_ctx = talloc_new(NULL);
+ DEBUG(10, ("Trying to create alias %s\n", name));
+ mem_ctx = talloc_new(NULL);
if (mem_ctx == NULL) {
return NT_STATUS_NO_MEMORY;
}
exists = lookup_name(mem_ctx, name, LOOKUP_NAME_ISOLATED,
NULL, NULL, &sid, &type);
- talloc_free(mem_ctx);
+ TALLOC_FREE(mem_ctx);
if (exists) {
return NT_STATUS_ALIAS_EXISTS;
}
- if (!winbind_allocate_rid_and_gid(&new_rid, &gid))
+ if (!winbind_allocate_gid(&gid)) {
+ DEBUG(3, ("Could not get a gid out of winbind\n"));
+ return NT_STATUS_ACCESS_DENIED;
+ }
+
+ if (!pdb_new_rid(&new_rid)) {
+ DEBUG(0, ("Could not allocate a RID -- wasted a gid :-(\n"));
return NT_STATUS_ACCESS_DENIED;
+ }
+
+ DEBUG(10, ("Creating alias %s with gid %d and rid %d\n",
+ name, gid, new_rid));
sid_copy(&sid, get_global_sam_sid());
sid_append_rid(&sid, new_rid);
fstrcpy(map.nt_name, name);
fstrcpy(map.comment, "");
- if (!pdb_add_group_mapping_entry(&map)) {
- DEBUG(0, ("Could not add group mapping entry for alias %s\n",
- name));
- return NT_STATUS_ACCESS_DENIED;
+ status = pdb_add_group_mapping_entry(&map);
+
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(0, ("Could not add group mapping entry for alias %s "
+ "(%s)\n", name, nt_errstr(status)));
+ return status;
}
*rid = new_rid;
NTSTATUS pdb_default_delete_alias(struct pdb_methods *methods,
const DOM_SID *sid)
{
- return pdb_delete_group_mapping_entry(*sid) ?
- NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
+ return pdb_delete_group_mapping_entry(*sid);
}
NTSTATUS pdb_default_get_aliasinfo(struct pdb_methods *methods,
if (!pdb_getgrsid(&map, *sid))
return NT_STATUS_NO_SUCH_ALIAS;
+ if ((map.sid_name_use != SID_NAME_ALIAS) &&
+ (map.sid_name_use != SID_NAME_WKN_GRP)) {
+ DEBUG(2, ("%s is a %s, expected an alias\n",
+ sid_string_static(sid),
+ sid_type_lookup(map.sid_name_use)));
+ return NT_STATUS_NO_SUCH_ALIAS;
+ }
+
fstrcpy(info->acct_name, map.nt_name);
fstrcpy(info->acct_desc, map.comment);
sid_peek_rid(&map.sid, &info->rid);
if (!pdb_getgrsid(&map, *sid))
return NT_STATUS_NO_SUCH_ALIAS;
+ fstrcpy(map.nt_name, info->acct_name);
fstrcpy(map.comment, info->acct_desc);
- if (!pdb_update_group_mapping_entry(&map))
- return NT_STATUS_ACCESS_DENIED;
-
- return NT_STATUS_OK;
+ return pdb_update_group_mapping_entry(&map);
}
NTSTATUS pdb_default_add_aliasmem(struct pdb_methods *methods,
const DOM_SID *alias, const DOM_SID *member)
{
- return add_aliasmem(alias, member);
+ if (!init_group_mapping()) {
+ DEBUG(0,("failed to initialize group mapping\n"));
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+ return backend->add_aliasmem(alias, member);
}
NTSTATUS pdb_default_del_aliasmem(struct pdb_methods *methods,
const DOM_SID *alias, const DOM_SID *member)
{
- return del_aliasmem(alias, member);
+ if (!init_group_mapping()) {
+ DEBUG(0,("failed to initialize group mapping\n"));
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+ return backend->del_aliasmem(alias, member);
}
NTSTATUS pdb_default_enum_aliasmem(struct pdb_methods *methods,
const DOM_SID *alias, DOM_SID **pp_members,
size_t *p_num_members)
{
- return enum_aliasmem(alias, pp_members, p_num_members);
+ if (!init_group_mapping()) {
+ DEBUG(0,("failed to initialize group mapping\n"));
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+ return backend->enum_aliasmem(alias, pp_members, p_num_members);
}
NTSTATUS pdb_default_alias_memberships(struct pdb_methods *methods,
size_t i, num_alias_sids;
NTSTATUS result;
+ if (!init_group_mapping()) {
+ DEBUG(0,("failed to initialize group mapping\n"));
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+
alias_sids = NULL;
num_alias_sids = 0;
if (!NT_STATUS_IS_OK(result))
return result;
+ *p_num_alias_rids = 0;
+
+ if (num_alias_sids == 0) {
+ TALLOC_FREE(alias_sids);
+ return NT_STATUS_OK;
+ }
+
*pp_alias_rids = TALLOC_ARRAY(mem_ctx, uint32, num_alias_sids);
if (*pp_alias_rids == NULL)
return NT_STATUS_NO_MEMORY;
- *p_num_alias_rids = 0;
-
for (i=0; i<num_alias_sids; i++) {
if (!sid_peek_check_rid(domain_sid, &alias_sids[i],
&(*pp_alias_rids)[*p_num_alias_rids]))
*p_num_alias_rids += 1;
}
- SAFE_FREE(alias_sids);
+ TALLOC_FREE(alias_sids);
return NT_STATUS_OK;
}
}
NTSTATUS pdb_nop_enum_group_mapping(struct pdb_methods *methods,
- enum SID_NAME_USE sid_name_use,
+ enum lsa_SidType sid_name_use,
GROUP_MAP **rmap, size_t *num_entries,
BOOL unix_only)
{
fstrcpy(map.nt_name, info->acct_name);
fstrcpy(map.comment, info->acct_desc);
- return pdb_update_group_mapping_entry(&map);
+ return NT_STATUS_IS_OK(pdb_update_group_mapping_entry(&map));
+}
+
+/********************************************************************
+ Really just intended to be called by smbd
+********************************************************************/
+
+NTSTATUS pdb_create_builtin_alias(uint32 rid)
+{
+ DOM_SID sid;
+ enum lsa_SidType type;
+ gid_t gid;
+ GROUP_MAP map;
+ TALLOC_CTX *mem_ctx;
+ NTSTATUS status;
+ const char *name = NULL;
+ fstring groupname;
+
+ DEBUG(10, ("Trying to create builtin alias %d\n", rid));
+
+ if ( !sid_compose( &sid, &global_sid_Builtin, rid ) ) {
+ return NT_STATUS_NO_SUCH_ALIAS;
+ }
+
+ if ( (mem_ctx = talloc_new(NULL)) == NULL ) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ if ( !lookup_sid(mem_ctx, &sid, NULL, &name, &type) ) {
+ TALLOC_FREE( mem_ctx );
+ return NT_STATUS_NO_SUCH_ALIAS;
+ }
+
+ /* validate RID so copy the name and move on */
+
+ fstrcpy( groupname, name );
+ TALLOC_FREE( mem_ctx );
+
+ if (!winbind_allocate_gid(&gid)) {
+ DEBUG(3, ("pdb_create_builtin_alias: Could not get a gid out of winbind\n"));
+ return NT_STATUS_ACCESS_DENIED;
+ }
+
+ DEBUG(10,("Creating alias %s with gid %d\n", name, gid));
+
+ map.gid = gid;
+ sid_copy(&map.sid, &sid);
+ map.sid_name_use = SID_NAME_ALIAS;
+ fstrcpy(map.nt_name, name);
+ fstrcpy(map.comment, "");
+
+ status = pdb_add_group_mapping_entry(&map);
+
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(0, ("pdb_create_builtin_alias: Could not add group mapping entry for alias %d "
+ "(%s)\n", rid, nt_errstr(status)));
+ }
+
+ return status;
}