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-rw-r--r--source3/groupdb/mapping.c808
-rw-r--r--source3/groupdb/mapping.h33
-rw-r--r--source3/groupdb/mapping_ldb.c699
-rw-r--r--source3/groupdb/mapping_tdb.c744
4 files changed, 2284 insertions, 0 deletions
diff --git a/source3/groupdb/mapping.c b/source3/groupdb/mapping.c
new file mode 100644
index 0000000000..b952cda523
--- /dev/null
+++ b/source3/groupdb/mapping.c
@@ -0,0 +1,808 @@
+/*
+ * Unix SMB/CIFS implementation.
+ * 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
+ * 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 "groupdb/mapping.h"
+
+static const struct mapping_backend *backend;
+
+/*
+ initialise a group mapping backend
+ */
+static bool init_group_mapping(void)
+{
+ const char *backend_string;
+
+ if (backend != NULL) {
+ /* already initialised */
+ return True;
+ }
+
+ /*
+ * default to using the ldb backend. This parameter should
+ * disappear in future versions of Samba3.
+ *
+ * But it's needed for cluster setups, because it's
+ * not yet possible to distribute a ldb inside a cluster.
+ */
+ 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 {
+ DEBUG(0,("Unknown groupdb backend '%s'\n", backend_string));
+ smb_panic("Unknown groupdb backend");
+ }
+
+ return backend != NULL;
+}
+
+/****************************************************************************
+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;
+
+ if(!init_group_mapping()) {
+ DEBUG(0,("failed to initialize group mapping\n"));
+ 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);
+
+ return pdb_add_group_mapping_entry(&map);
+}
+
+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 = backend->one_alias_membership(&members[i], sids, num);
+ if (!NT_STATUS_IS_OK(status))
+ return status;
+ }
+ return NT_STATUS_OK;
+}
+
+struct aliasmem_closure {
+ const DOM_SID *alias;
+ DOM_SID **sids;
+ size_t *num;
+};
+
+
+
+/*
+ *
+ * High level functions
+ * better to use them than the lower ones.
+ *
+ * we are checking if the group is in the mapping file
+ * and if the group is an existing unix group
+ *
+ */
+
+/* get a domain group from it's SID */
+
+bool get_domain_group_from_sid(DOM_SID sid, GROUP_MAP *map)
+{
+ struct group *grp;
+ bool ret;
+
+ if(!init_group_mapping()) {
+ DEBUG(0,("failed to initialize group mapping\n"));
+ return(False);
+ }
+
+ DEBUG(10, ("get_domain_group_from_sid\n"));
+
+ /* if the group is NOT in the database, it CAN NOT be a domain group */
+
+ become_root();
+ ret = pdb_getgrsid(map, sid);
+ unbecome_root();
+
+ /* 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;
+ map->gid = (gid_t)-1;
+
+ return True;
+ }
+
+ return False;
+ }
+
+ DEBUG(10, ("get_domain_group_from_sid: SID found in the TDB\n"));
+
+ /* if it's not a domain group, continue */
+ if (map->sid_name_use!=SID_NAME_DOM_GRP) {
+ return False;
+ }
+
+ DEBUG(10, ("get_domain_group_from_sid: SID is a domain group\n"));
+
+ if (map->gid==-1) {
+ return False;
+ }
+
+ DEBUG(10, ("get_domain_group_from_sid: SID is mapped to gid:%lu\n",(unsigned long)map->gid));
+
+ grp = getgrgid(map->gid);
+ if ( !grp ) {
+ DEBUG(10, ("get_domain_group_from_sid: gid DOESN'T exist in UNIX security\n"));
+ return False;
+ }
+
+ DEBUG(10, ("get_domain_group_from_sid: gid exists in UNIX security\n"));
+
+ return True;
+}
+
+/****************************************************************************
+ Create a UNIX group on demand.
+****************************************************************************/
+
+int smb_create_group(const char *unix_group, gid_t *new_gid)
+{
+ char *add_script = NULL;
+ int ret = -1;
+ int fd = 0;
+
+ *new_gid = 0;
+
+ /* defer to scripts */
+
+ if ( *lp_addgroup_script() ) {
+ TALLOC_CTX *ctx = talloc_tos();
+
+ add_script = talloc_strdup(ctx,
+ lp_addgroup_script());
+ if (!add_script) {
+ return -1;
+ }
+ add_script = talloc_string_sub(ctx,
+ add_script, "%g", unix_group);
+ if (!add_script) {
+ return -1;
+ }
+
+ 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;
+
+ *new_gid = 0;
+ if (read(fd, output, sizeof(output)) > 0) {
+ *new_gid = (gid_t)strtoul(output, NULL, 10);
+ }
+
+ close(fd);
+ }
+
+ }
+
+ if (*new_gid == 0) {
+ struct group *grp = getgrnam(unix_group);
+
+ if (grp != NULL)
+ *new_gid = grp->gr_gid;
+ }
+
+ return ret;
+}
+
+/****************************************************************************
+ Delete a UNIX group on demand.
+****************************************************************************/
+
+int smb_delete_group(const char *unix_group)
+{
+ char *del_script = NULL;
+ int ret = -1;
+
+ /* defer to scripts */
+
+ if ( *lp_delgroup_script() ) {
+ TALLOC_CTX *ctx = talloc_tos();
+
+ del_script = talloc_strdup(ctx,
+ lp_delgroup_script());
+ if (!del_script) {
+ return -1;
+ }
+ del_script = talloc_string_sub(ctx,
+ del_script, "%g", unix_group);
+ if (!del_script) {
+ return -1;
+ }
+ 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;
+ }
+
+ return -1;
+}
+
+/****************************************************************************
+ Set a user's primary UNIX group.
+****************************************************************************/
+
+int smb_set_primary_group(const char *unix_group, const char* unix_user)
+{
+ char *add_script = NULL;
+ int ret = -1;
+
+ /* defer to scripts */
+
+ if ( *lp_setprimarygroup_script() ) {
+ TALLOC_CTX *ctx = talloc_tos();
+
+ add_script = talloc_strdup(ctx,
+ lp_setprimarygroup_script());
+ if (!add_script) {
+ return -1;
+ }
+ add_script = talloc_all_string_sub(ctx,
+ add_script, "%g", unix_group);
+ if (!add_script) {
+ return -1;
+ }
+ add_script = talloc_string_sub(ctx,
+ add_script, "%u", unix_user);
+ if (!add_script) {
+ return -1;
+ }
+ ret = smbrun(add_script,NULL);
+ 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;
+ }
+
+ return -1;
+}
+
+/****************************************************************************
+ Add a user to a UNIX group.
+****************************************************************************/
+
+int smb_add_user_group(const char *unix_group, const char *unix_user)
+{
+ char *add_script = NULL;
+ int ret = -1;
+
+ /* defer to scripts */
+
+ if ( *lp_addusertogroup_script() ) {
+ TALLOC_CTX *ctx = talloc_tos();
+
+ add_script = talloc_strdup(ctx,
+ lp_addusertogroup_script());
+ if (!add_script) {
+ return -1;
+ }
+ add_script = talloc_string_sub(ctx,
+ add_script, "%g", unix_group);
+ if (!add_script) {
+ return -1;
+ }
+ add_script = talloc_string_sub(ctx,
+ add_script, "%u", unix_user);
+ if (!add_script) {
+ return -1;
+ }
+ 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;
+ }
+
+ return -1;
+}
+
+/****************************************************************************
+ Delete a user from a UNIX group
+****************************************************************************/
+
+int smb_delete_user_group(const char *unix_group, const char *unix_user)
+{
+ char *del_script = NULL;
+ int ret = -1;
+
+ /* defer to scripts */
+
+ if ( *lp_deluserfromgroup_script() ) {
+ TALLOC_CTX *ctx = talloc_tos();
+
+ del_script = talloc_strdup(ctx,
+ lp_deluserfromgroup_script());
+ if (!del_script) {
+ return -1;
+ }
+ del_script = talloc_string_sub(ctx,
+ del_script, "%g", unix_group);
+ if (!del_script) {
+ return -1;
+ }
+ del_script = talloc_string_sub(ctx,
+ del_script, "%u", unix_user);
+ if (!del_script) {
+ return -1;
+ }
+ 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;
+ }
+
+ return -1;
+}
+
+
+NTSTATUS pdb_default_getgrsid(struct pdb_methods *methods, GROUP_MAP *map,
+ DOM_SID sid)
+{
+ 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)
+{
+ 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)
+{
+ 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)
+{
+ 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)
+{
+ 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)
+{
+ 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,
+ const DOM_SID *sid, enum lsa_SidType sid_name_use,
+ GROUP_MAP **pp_rmap, size_t *p_num_entries,
+ bool 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_create_alias(struct pdb_methods *methods,
+ const char *name, uint32 *rid)
+{
+ DOM_SID sid;
+ enum lsa_SidType type;
+ uint32 new_rid;
+ gid_t gid;
+ bool exists;
+ GROUP_MAP map;
+ TALLOC_CTX *mem_ctx;
+ NTSTATUS status;
+
+ 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_LOCAL,
+ NULL, NULL, &sid, &type);
+ TALLOC_FREE(mem_ctx);
+
+ if (exists) {
+ return NT_STATUS_ALIAS_EXISTS;
+ }
+
+ 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);
+
+ 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, ("Could not add group mapping entry for alias %s "
+ "(%s)\n", name, nt_errstr(status)));
+ return status;
+ }
+
+ *rid = new_rid;
+
+ return NT_STATUS_OK;
+}
+
+NTSTATUS pdb_default_delete_alias(struct pdb_methods *methods,
+ const DOM_SID *sid)
+{
+ return pdb_delete_group_mapping_entry(*sid);
+}
+
+NTSTATUS pdb_default_get_aliasinfo(struct pdb_methods *methods,
+ const DOM_SID *sid,
+ struct acct_info *info)
+{
+ GROUP_MAP map;
+
+ 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_dbg(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);
+ return NT_STATUS_OK;
+}
+
+NTSTATUS pdb_default_set_aliasinfo(struct pdb_methods *methods,
+ const DOM_SID *sid,
+ struct acct_info *info)
+{
+ GROUP_MAP map;
+
+ if (!pdb_getgrsid(&map, *sid))
+ return NT_STATUS_NO_SUCH_ALIAS;
+
+ fstrcpy(map.nt_name, info->acct_name);
+ fstrcpy(map.comment, info->acct_desc);
+
+ return pdb_update_group_mapping_entry(&map);
+}
+
+NTSTATUS pdb_default_add_aliasmem(struct pdb_methods *methods,
+ const DOM_SID *alias, const DOM_SID *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)
+{
+ 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)
+{
+ 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,
+ TALLOC_CTX *mem_ctx,
+ const DOM_SID *domain_sid,
+ const DOM_SID *members,
+ size_t num_members,
+ uint32 **pp_alias_rids,
+ size_t *p_num_alias_rids)
+{
+ DOM_SID *alias_sids;
+ 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;
+
+ result = alias_memberships(members, num_members,
+ &alias_sids, &num_alias_sids);
+
+ 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;
+
+ 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]))
+ continue;
+ *p_num_alias_rids += 1;
+ }
+
+ TALLOC_FREE(alias_sids);
+
+ return NT_STATUS_OK;
+}
+
+/**********************************************************************
+ no ops for passdb backends that don't implement group mapping
+ *********************************************************************/
+
+NTSTATUS pdb_nop_getgrsid(struct pdb_methods *methods, GROUP_MAP *map,
+ DOM_SID sid)
+{
+ return NT_STATUS_UNSUCCESSFUL;
+}
+
+NTSTATUS pdb_nop_getgrgid(struct pdb_methods *methods, GROUP_MAP *map,
+ gid_t gid)
+{
+ return NT_STATUS_UNSUCCESSFUL;
+}
+
+NTSTATUS pdb_nop_getgrnam(struct pdb_methods *methods, GROUP_MAP *map,
+ const char *name)
+{
+ return NT_STATUS_UNSUCCESSFUL;
+}
+
+NTSTATUS pdb_nop_add_group_mapping_entry(struct pdb_methods *methods,
+ GROUP_MAP *map)
+{
+ return NT_STATUS_UNSUCCESSFUL;
+}
+
+NTSTATUS pdb_nop_update_group_mapping_entry(struct pdb_methods *methods,
+ GROUP_MAP *map)
+{
+ return NT_STATUS_UNSUCCESSFUL;
+}
+
+NTSTATUS pdb_nop_delete_group_mapping_entry(struct pdb_methods *methods,
+ DOM_SID sid)
+{
+ return NT_STATUS_UNSUCCESSFUL;
+}
+
+NTSTATUS pdb_nop_enum_group_mapping(struct pdb_methods *methods,
+ enum lsa_SidType sid_name_use,
+ GROUP_MAP **rmap, size_t *num_entries,
+ bool unix_only)
+{
+ return NT_STATUS_UNSUCCESSFUL;
+}
+
+/****************************************************************************
+ These need to be redirected through pdb_interface.c
+****************************************************************************/
+bool pdb_get_dom_grp_info(const DOM_SID *sid, struct acct_info *info)
+{
+ GROUP_MAP map;
+ bool res;
+
+ become_root();
+ res = get_domain_group_from_sid(*sid, &map);
+ unbecome_root();
+
+ if (!res)
+ return False;
+
+ fstrcpy(info->acct_name, map.nt_name);
+ fstrcpy(info->acct_desc, map.comment);
+ sid_peek_rid(sid, &info->rid);
+ return True;
+}
+
+bool pdb_set_dom_grp_info(const DOM_SID *sid, const struct acct_info *info)
+{
+ GROUP_MAP map;
+
+ if (!get_domain_group_from_sid(*sid, &map))
+ return False;
+
+ fstrcpy(map.nt_name, info->acct_name);
+ fstrcpy(map.comment, info->acct_desc);
+
+ 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", groupname, gid));
+
+ map.gid = gid;
+ sid_copy(&map.sid, &sid);
+ map.sid_name_use = SID_NAME_ALIAS;
+ fstrcpy(map.nt_name, groupname);
+ 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;
+}
+
+
diff --git a/source3/groupdb/mapping.h b/source3/groupdb/mapping.h
new file mode 100644
index 0000000000..c37ae84b87
--- /dev/null
+++ b/source3/groupdb/mapping.h
@@ -0,0 +1,33 @@
+#define DATABASE_VERSION_V1 1 /* native byte format. */
+#define DATABASE_VERSION_V2 2 /* le format. */
+
+#define GROUP_PREFIX "UNIXGROUP/"
+#define GROUP_PREFIX_LEN 10
+
+/* 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.
+ */
+#define MEMBEROF_PREFIX "MEMBEROF/"
+#define MEMBEROF_PREFIX_LEN 9
+
+/*
+ groupdb mapping backend abstraction
+ */
+struct mapping_backend {
+ bool (*init_group_mapping)(void);
+ bool (*add_mapping_entry)(GROUP_MAP *map, int flag);
+ bool (*get_group_map_from_sid)(DOM_SID sid, GROUP_MAP *map);
+ bool (*get_group_map_from_gid)(gid_t gid, GROUP_MAP *map);
+ bool (*get_group_map_from_ntname)(const char *name, GROUP_MAP *map);
+ bool (*group_map_remove)(const DOM_SID *sid);
+ bool (*enum_group_mapping)(const DOM_SID *domsid, enum lsa_SidType sid_name_use,
+ GROUP_MAP **pp_rmap,
+ size_t *p_num_entries, bool unix_only);
+ NTSTATUS (*one_alias_membership)(const DOM_SID *member,
+ DOM_SID **sids, size_t *num);
+ NTSTATUS (*add_aliasmem)(const DOM_SID *alias, const DOM_SID *member);
+ NTSTATUS (*del_aliasmem)(const DOM_SID *alias, const DOM_SID *member);
+ NTSTATUS (*enum_aliasmem)(const DOM_SID *alias, DOM_SID **sids, size_t *num);
+};
diff --git a/source3/groupdb/mapping_ldb.c b/source3/groupdb/mapping_ldb.c
new file mode 100644
index 0000000000..7ce879fb6e
--- /dev/null
+++ b/source3/groupdb/mapping_ldb.c
@@ -0,0 +1,699 @@
+/*
+ * Unix SMB/CIFS implementation.
+ *
+ * group mapping code on top of ldb
+ *
+ * Copyright (C) Andrew Tridgell 2006
+ *
+ * based on tdb group mapping code from groupdb/mapping.c
+ *
+ * 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 "groupdb/mapping.h"
+#include "lib/ldb/include/includes.h"
+#include "lib/ldb/include/ldb_errors.h"
+
+static struct ldb_context *ldb;
+
+static bool mapping_upgrade(const char *tdb_path);
+
+/*
+ connect to the group mapping ldb
+*/
+static bool init_group_mapping(void)
+{
+ bool existed;
+ const char *init_ldif[] =
+ { "dn: @ATTRIBUTES\n" \
+ "ntName: CASE_INSENSITIVE\n" \
+ "\n",
+ "dn: @INDEXLIST\n" \
+ "@IDXATTR: gidNumber\n" \
+ "@IDXATTR: ntName\n" \
+ "@IDXATTR: member\n" };
+ const char *db_path, *tdb_path;
+ int ret;
+ int flags = 0;
+
+ if (ldb != NULL) {
+ return True;
+ }
+
+ /* this is needed as Samba3 doesn't have this globally yet */
+ ldb_global_init();
+
+ db_path = state_path("group_mapping.ldb");
+
+ ldb = ldb_init(NULL);
+ if (ldb == NULL) goto failed;
+
+ /* Ensure this db is created read/write for root only. */
+ ldb_set_create_perms(ldb, 0600);
+
+ existed = file_exist(db_path, NULL);
+
+ if (lp_parm_bool(-1, "groupmap", "nosync", False)) {
+ flags |= LDB_FLG_NOSYNC;
+ }
+
+ if (!lp_use_mmap()) {
+ flags |= LDB_FLG_NOMMAP;
+ }
+
+ ret = ldb_connect(ldb, db_path, flags, NULL);
+ if (ret != LDB_SUCCESS) {
+ goto failed;
+ }
+
+ /* force the permissions on the ldb to 0600 - this will fix
+ existing databases as well as new ones */
+ if (chmod(db_path, 0600) != 0) {
+ goto failed;
+ }
+
+ if (!existed) {
+ /* initialise the ldb with an index */
+ struct ldb_ldif *ldif;
+ int i;
+ for (i=0;i<ARRAY_SIZE(init_ldif);i++) {
+ ldif = ldb_ldif_read_string(ldb, &init_ldif[i]);
+ if (ldif == NULL) goto failed;
+ ret = ldb_add(ldb, ldif->msg);
+ talloc_free(ldif);
+ if (ret == -1) goto failed;
+ }
+ }
+
+ /* possibly upgrade */
+ tdb_path = state_path("group_mapping.tdb");
+ if (file_exist(tdb_path, NULL) && !mapping_upgrade(tdb_path)) {
+ unlink(state_path("group_mapping.ldb"));
+ goto failed;
+ }
+
+ return True;
+
+failed:
+ DEBUG(0,("Failed to open group mapping ldb '%s' - '%s'\n",
+ db_path, ldb?ldb_errstring(ldb):strerror(errno)));
+ talloc_free(ldb);
+ ldb = NULL;
+ return False;
+}
+
+
+/*
+ form the DN for a mapping entry from a SID
+ */
+static struct ldb_dn *mapping_dn(TALLOC_CTX *mem_ctx, const DOM_SID *sid)
+{
+ fstring string_sid;
+ uint32_t rid;
+ DOM_SID domsid;
+
+ sid_copy(&domsid, sid);
+ if (!sid_split_rid(&domsid, &rid)) {
+ return NULL;
+ }
+ if (!sid_to_fstring(string_sid, &domsid)) {
+ return NULL;
+ }
+ /* we split by domain and rid so we can do a subtree search
+ when we only want one domain */
+ return ldb_dn_string_compose(mem_ctx, NULL, "rid=%u,domain=%s",
+ rid, string_sid);
+}
+
+/*
+ add a group mapping entry
+ */
+static bool add_mapping_entry(GROUP_MAP *map, int flag)
+{
+ struct ldb_message *msg;
+ int ret, i;
+ fstring string_sid;
+
+ msg = ldb_msg_new(ldb);
+ if (msg == NULL) {
+ return False;
+ }
+
+ msg->dn = mapping_dn(msg, &map->sid);
+ if (msg->dn == NULL) {
+ goto failed;
+ }
+
+ if (ldb_msg_add_string(msg, "objectClass", "groupMap") != LDB_SUCCESS ||
+ ldb_msg_add_string(msg, "sid",
+ sid_to_fstring(string_sid, &map->sid)) != LDB_SUCCESS ||
+ ldb_msg_add_fmt(msg, "gidNumber", "%u", (unsigned)map->gid) != LDB_SUCCESS ||
+ ldb_msg_add_fmt(msg, "sidNameUse", "%u", (unsigned)map->sid_name_use) != LDB_SUCCESS ||
+ ldb_msg_add_string(msg, "comment", map->comment) != LDB_SUCCESS ||
+ ldb_msg_add_string(msg, "ntName", map->nt_name) != LDB_SUCCESS) {
+ goto failed;
+ }
+
+ ret = ldb_add(ldb, msg);
+
+ /* if it exists we update it. This is a hangover from the semantics the
+ tdb backend had */
+ if (ret == LDB_ERR_ENTRY_ALREADY_EXISTS) {
+ for (i=0;i<msg->num_elements;i++) {
+ msg->elements[i].flags = LDB_FLAG_MOD_REPLACE;
+ }
+ ret = ldb_modify(ldb, msg);
+ }
+
+ talloc_free(msg);
+
+ return ret == LDB_SUCCESS;
+
+failed:
+ talloc_free(msg);
+ return False;
+}
+
+/*
+ unpack a ldb message into a GROUP_MAP structure
+*/
+static bool msg_to_group_map(struct ldb_message *msg, GROUP_MAP *map)
+{
+ const char *sidstr;
+
+ map->gid = ldb_msg_find_attr_as_int(msg, "gidNumber", -1);
+ map->sid_name_use = ldb_msg_find_attr_as_int(msg, "sidNameUse", -1);
+ fstrcpy(map->nt_name, ldb_msg_find_attr_as_string(msg, "ntName", NULL));
+ fstrcpy(map->comment, ldb_msg_find_attr_as_string(msg, "comment", NULL));
+ sidstr = ldb_msg_find_attr_as_string(msg, "sid", NULL);
+
+ if (!string_to_sid(&map->sid, sidstr) ||
+ map->gid == (gid_t)-1 ||
+ map->sid_name_use == (enum lsa_SidType)-1) {
+ DEBUG(0,("Unable to unpack group mapping\n"));
+ return False;
+ }
+
+ return True;
+}
+
+/*
+ return a group map entry for a given sid
+*/
+static bool get_group_map_from_sid(DOM_SID sid, GROUP_MAP *map)
+{
+ int ret;
+ struct ldb_dn *dn;
+ struct ldb_result *res=NULL;
+
+ dn = mapping_dn(ldb, &sid);
+ if (dn == NULL) goto failed;
+
+ ret = ldb_search(ldb, dn, LDB_SCOPE_BASE, NULL, NULL, &res);
+ talloc_steal(dn, res);
+ if (ret != LDB_SUCCESS || res->count != 1) {
+ goto failed;
+ }
+
+ if (!msg_to_group_map(res->msgs[0], map)) goto failed;
+
+ talloc_free(dn);
+ return True;
+
+failed:
+ talloc_free(dn);
+ return False;
+}
+
+/*
+ return a group map entry for a given gid
+*/
+static bool get_group_map_from_gid(gid_t gid, GROUP_MAP *map)
+{
+ int ret;
+ char *expr;
+ struct ldb_result *res=NULL;
+
+ expr = talloc_asprintf(ldb, "(&(gidNumber=%u)(objectClass=groupMap))",
+ (unsigned)gid);
+ if (expr == NULL) goto failed;
+
+ ret = ldb_search(ldb, NULL, LDB_SCOPE_SUBTREE, expr, NULL, &res);
+ talloc_steal(expr, res);
+ if (ret != LDB_SUCCESS || res->count != 1) goto failed;
+
+ if (!msg_to_group_map(res->msgs[0], map)) goto failed;
+
+ talloc_free(expr);
+ return True;
+
+failed:
+ talloc_free(expr);
+ 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)
+{
+ int ret;
+ char *expr;
+ struct ldb_result *res=NULL;
+
+ expr = talloc_asprintf(ldb, "(&(ntName=%s)(objectClass=groupMap))", name);
+ if (expr == NULL) goto failed;
+
+ ret = ldb_search(ldb, NULL, LDB_SCOPE_SUBTREE, expr, NULL, &res);
+ talloc_steal(expr, res);
+ if (ret != LDB_SUCCESS || res->count != 1) goto failed;
+
+ if (!msg_to_group_map(res->msgs[0], map)) goto failed;
+
+ talloc_free(expr);
+ return True;
+
+failed:
+ talloc_free(expr);
+ return False;
+}
+
+/*
+ Remove a group mapping entry.
+*/
+static bool group_map_remove(const DOM_SID *sid)
+{
+ struct ldb_dn *dn;
+ int ret;
+
+ dn = mapping_dn(ldb, sid);
+ if (dn == NULL) {
+ return False;
+ }
+ ret = ldb_delete(ldb, dn);
+ talloc_free(dn);
+
+ return ret == LDB_SUCCESS;
+}
+
+
+/*
+ Enumerate the group mappings for a domain
+*/
+static bool enum_group_mapping(const DOM_SID *domsid, enum lsa_SidType sid_name_use,
+ GROUP_MAP **pp_rmap,
+ size_t *p_num_entries, bool unix_only)
+{
+ int i, ret;
+ char *expr;
+ fstring name;
+ struct ldb_result *res = NULL;
+ struct ldb_dn *basedn=NULL;
+ TALLOC_CTX *tmp_ctx;
+
+ tmp_ctx = talloc_new(ldb);
+ if (tmp_ctx == NULL) goto failed;
+
+ if (sid_name_use == SID_NAME_UNKNOWN) {
+ expr = talloc_asprintf(tmp_ctx, "(&(objectClass=groupMap))");
+ } else {
+ expr = talloc_asprintf(tmp_ctx, "(&(sidNameUse=%u)(objectClass=groupMap))",
+ sid_name_use);
+ }
+ if (expr == NULL) goto failed;
+
+ /* we do a subtree search on the domain */
+ if (domsid != NULL) {
+ sid_to_fstring(name, domsid);
+ basedn = ldb_dn_string_compose(tmp_ctx, NULL, "domain=%s", name);
+ if (basedn == NULL) goto failed;
+ }
+
+ ret = ldb_search(ldb, basedn, LDB_SCOPE_SUBTREE, expr, NULL, &res);
+ talloc_steal(tmp_ctx, res);
+ if (ret != LDB_SUCCESS) goto failed;
+
+ (*pp_rmap) = NULL;
+ *p_num_entries = 0;
+
+ for (i=0;i<res->count;i++) {
+ (*pp_rmap) = SMB_REALLOC_ARRAY((*pp_rmap), GROUP_MAP,
+ (*p_num_entries)+1);
+ if (!(*pp_rmap)) goto failed;
+
+ if (!msg_to_group_map(res->msgs[i], &(*pp_rmap)[*p_num_entries])) {
+ goto failed;
+ }
+
+ (*p_num_entries)++;
+ }
+
+ talloc_free(tmp_ctx);
+ return True;
+
+failed:
+ talloc_free(tmp_ctx);
+ return False;
+}
+
+/*
+ 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)
+{
+ const char *attrs[] = {
+ "sid",
+ NULL
+ };
+ DOM_SID alias;
+ char *expr;
+ int ret, i;
+ struct ldb_result *res=NULL;
+ fstring string_sid;
+ NTSTATUS status = NT_STATUS_INTERNAL_DB_CORRUPTION;
+
+ if (!sid_to_fstring(string_sid, member)) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ expr = talloc_asprintf(ldb, "(&(member=%s)(objectClass=groupMap))",
+ string_sid);
+ if (expr == NULL) goto failed;
+
+ ret = ldb_search(ldb, NULL, LDB_SCOPE_SUBTREE, expr, attrs, &res);
+ talloc_steal(expr, res);
+ if (ret != LDB_SUCCESS) {
+ goto failed;
+ }
+
+ for (i=0;i<res->count;i++) {
+ struct ldb_message_element *el;
+ el = ldb_msg_find_element(res->msgs[i], "sid");
+ if (el == NULL || el->num_values != 1) {
+ status = NT_STATUS_INTERNAL_DB_CORRUPTION;
+ goto failed;
+ }
+ string_to_sid(&alias, (char *)el->values[0].data);
+ status = add_sid_to_array_unique(NULL, &alias, sids, num);
+ if (!NT_STATUS_IS_OK(status)) {
+ goto failed;
+ }
+ }
+
+ talloc_free(expr);
+ return NT_STATUS_OK;
+
+failed:
+ talloc_free(expr);
+ return status;
+}
+
+/*
+ add/remove a member field
+*/
+static NTSTATUS modify_aliasmem(const DOM_SID *alias, const DOM_SID *member,
+ int operation)
+{
+ fstring string_sid;
+ int ret;
+ struct ldb_message msg;
+ struct ldb_message_element el;
+ struct ldb_val val;
+ TALLOC_CTX *tmp_ctx;
+ GROUP_MAP map;
+
+ if (!get_group_map_from_sid(*alias, &map)) {
+ sid_to_fstring(string_sid, alias);
+ return NT_STATUS_NO_SUCH_ALIAS;
+ }
+
+ if ((map.sid_name_use != SID_NAME_ALIAS) &&
+ (map.sid_name_use != SID_NAME_WKN_GRP)) {
+ DEBUG(0,("sid_name_use=%d\n", map.sid_name_use));
+ return NT_STATUS_NO_SUCH_ALIAS;
+ }
+
+ tmp_ctx = talloc_new(NULL);
+ if (tmp_ctx == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ msg.dn = mapping_dn(tmp_ctx, alias);
+ if (msg.dn == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
+ msg.num_elements = 1;
+ msg.elements = &el;
+ el.flags = operation;
+ el.name = talloc_strdup(tmp_ctx, "member");
+ el.num_values = 1;
+ el.values = &val;
+ sid_to_fstring(string_sid, member);
+ val.data = (uint8_t *)string_sid;
+ val.length = strlen(string_sid);
+
+ ret = ldb_modify(ldb, &msg);
+ talloc_free(tmp_ctx);
+
+ if (ret == LDB_ERR_NO_SUCH_OBJECT) {
+ return NT_STATUS_NO_SUCH_ALIAS;
+ }
+
+ if (operation == LDB_FLAG_MOD_ADD &&
+ ret == LDB_ERR_ATTRIBUTE_OR_VALUE_EXISTS) {
+ return NT_STATUS_MEMBER_IN_ALIAS;
+ }
+
+ return (ret == LDB_SUCCESS ? NT_STATUS_OK : NT_STATUS_ACCESS_DENIED);
+}
+
+static NTSTATUS add_aliasmem(const DOM_SID *alias, const DOM_SID *member)
+{
+ return modify_aliasmem(alias, member, LDB_FLAG_MOD_ADD);
+}
+
+static NTSTATUS del_aliasmem(const DOM_SID *alias, const DOM_SID *member)
+{
+ return modify_aliasmem(alias, member, LDB_FLAG_MOD_DELETE);
+}
+
+
+/*
+ enumerate sids that have the given alias set in member
+*/
+static NTSTATUS enum_aliasmem(const DOM_SID *alias, DOM_SID **sids, size_t *num)
+{
+ const char *attrs[] = {
+ "member",
+ NULL
+ };
+ int ret, i;
+ NTSTATUS status = NT_STATUS_OK;
+ struct ldb_result *res=NULL;
+ struct ldb_dn *dn;
+ struct ldb_message_element *el;
+
+ *sids = NULL;
+ *num = 0;
+
+ dn = mapping_dn(ldb, alias);
+ if (dn == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ ret = ldb_search(ldb, dn, LDB_SCOPE_BASE, NULL, attrs, &res);
+ talloc_steal(dn, res);
+ if (ret == LDB_SUCCESS && res->count == 0) {
+ talloc_free(dn);
+ return NT_STATUS_OK;
+ }
+ if (ret != LDB_SUCCESS) {
+ talloc_free(dn);
+ return NT_STATUS_INTERNAL_DB_CORRUPTION;
+ }
+
+ el = ldb_msg_find_element(res->msgs[0], "member");
+ if (el == NULL) {
+ talloc_free(dn);
+ return NT_STATUS_INTERNAL_DB_CORRUPTION;
+ }
+
+ for (i=0;i<el->num_values;i++) {
+ DOM_SID sid;
+ string_to_sid(&sid, (const char *)el->values[i].data);
+ status = add_sid_to_array_unique(NULL, &sid, sids, num);
+ if (!NT_STATUS_IS_OK(status)) {
+ goto done;
+ }
+ }
+
+done:
+ talloc_free(dn);
+ return status;
+}
+
+/*
+ upgrade one group mapping record from the old tdb format
+*/
+static int upgrade_map_record(TDB_CONTEXT *tdb_ctx, TDB_DATA key,
+ TDB_DATA data, void *state)
+{
+ int ret;
+ GROUP_MAP map;
+
+ if (strncmp((char *)key.dptr, GROUP_PREFIX,
+ MIN(key.dsize, strlen(GROUP_PREFIX))) != 0) {
+ return 0;
+ }
+
+ if (!string_to_sid(&map.sid, strlen(GROUP_PREFIX) + (const char *)key.dptr)) {
+ DEBUG(0,("Bad sid key '%s' during upgrade\n", (const char *)key.dptr));
+ *(int *)state = -1;
+ return -1;
+ }
+
+ ret = tdb_unpack(data.dptr, data.dsize, "ddff",
+ &map.gid, &map.sid_name_use, &map.nt_name, &map.comment);
+ if (ret == -1) {
+ DEBUG(0,("Failed to unpack group map record during upgrade\n"));
+ *(int *)state = -1;
+ return -1;
+ }
+
+ if (!add_mapping_entry(&map, 0)) {
+ DEBUG(0,("Failed to add mapping entry during upgrade\n"));
+ *(int *)state = -1;
+ return -1;
+ }
+
+ return 0;
+}
+
+/*
+ upgrade one alias record from the old tdb format
+*/
+static int upgrade_alias_record(TDB_CONTEXT *tdb_ctx, TDB_DATA key,
+ TDB_DATA data, void *state)
+{
+ const char *p = (const char *)data.dptr;
+ char *string_sid;
+ DOM_SID member;
+ TALLOC_CTX *frame;
+
+ if (strncmp((char *)key.dptr, MEMBEROF_PREFIX,
+ MIN(key.dsize, strlen(MEMBEROF_PREFIX))) != 0) {
+ return 0;
+ }
+
+ if (!string_to_sid(&member, strlen(MEMBEROF_PREFIX) + (const char *)key.dptr)) {
+ DEBUG(0,("Bad alias key %s during upgrade\n",
+ (const char *)key.dptr));
+ *(int *)state = -1;
+ }
+
+ frame = talloc_stackframe();
+ while (next_token_talloc(frame,&p, &string_sid, " ")) {
+ DOM_SID alias;
+ NTSTATUS status;
+ string_to_sid(&alias, string_sid);
+ status = add_aliasmem(&alias, &member);
+ if (NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_ALIAS)) {
+ DEBUG(0,("Ignoring orphaned alias record '%s'\n",
+ string_sid));
+ } else if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(0,("Failed to add alias member during upgrade - %s\n",
+ nt_errstr(status)));
+ *(int *)state = -1;
+ TALLOC_FREE(frame);
+ return -1;
+ }
+ }
+ TALLOC_FREE(frame);
+ return 0;
+}
+
+/*
+ upgrade from a old style tdb
+*/
+static bool mapping_upgrade(const char *tdb_path)
+{
+ static TDB_CONTEXT *tdb;
+ int ret, status=0;
+
+ tdb = tdb_open_log(tdb_path, 0, TDB_DEFAULT, O_RDWR, 0600);
+ if (tdb == NULL) goto failed;
+
+ /* we have to do the map records first, as alias records may
+ reference them */
+ ret = tdb_traverse(tdb, upgrade_map_record, &status);
+ if (ret == -1 || status == -1) goto failed;
+
+ ret = tdb_traverse(tdb, upgrade_alias_record, &status);
+ if (ret == -1 || status == -1) goto failed;
+
+ if (tdb) {
+ tdb_close(tdb);
+ tdb = NULL;
+ }
+
+ {
+ const char *old_path = tdb_path;
+ char *new_path = state_path("group_mapping.tdb.upgraded");
+
+ if (!new_path) {
+ goto failed;
+ }
+ if (rename(old_path, new_path) != 0) {
+ DEBUG(0,("Failed to rename old group mapping database\n"));
+ goto failed;
+ }
+ }
+ return True;
+
+failed:
+ DEBUG(0,("Failed to upgrade group mapping database\n"));
+ if (tdb) tdb_close(tdb);
+ return False;
+}
+
+
+
+static const struct mapping_backend ldb_backend = {
+ .add_mapping_entry = add_mapping_entry,
+ .get_group_map_from_sid = get_group_map_from_sid,
+ .get_group_map_from_gid = get_group_map_from_gid,
+ .get_group_map_from_ntname = get_group_map_from_ntname,
+ .group_map_remove = group_map_remove,
+ .enum_group_mapping = enum_group_mapping,
+ .one_alias_membership = one_alias_membership,
+ .add_aliasmem = add_aliasmem,
+ .del_aliasmem = del_aliasmem,
+ .enum_aliasmem = enum_aliasmem
+};
+
+/*
+ initialise the ldb mapping backend
+ */
+const struct mapping_backend *groupdb_ldb_init(void)
+{
+ if (!init_group_mapping()) {
+ DEBUG(0,("Failed to initialise ldb mapping backend\n"));
+ return NULL;
+ }
+
+ return &ldb_backend;
+}
diff --git a/source3/groupdb/mapping_tdb.c b/source3/groupdb/mapping_tdb.c
new file mode 100644
index 0000000000..7cee53a968
--- /dev/null
+++ b/source3/groupdb/mapping_tdb.c
@@ -0,0 +1,744 @@
+/*
+ * Unix SMB/CIFS implementation.
+ * RPC Pipe client / server routines
+ * Copyright (C) Andrew Tridgell 1992-2006,
+ * 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
+ * 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 "groupdb/mapping.h"
+
+static struct db_context *db; /* used for driver files */
+
+static bool enum_group_mapping(const DOM_SID *domsid, enum lsa_SidType sid_name_use, GROUP_MAP **pp_rmap,
+ size_t *p_num_entries, bool unix_only);
+static bool group_map_remove(const DOM_SID *sid);
+
+/****************************************************************************
+ Open the group mapping tdb.
+****************************************************************************/
+static bool init_group_mapping(void)
+{
+ if (db != NULL) {
+ return true;
+ }
+
+ db = db_open(NULL, state_path("group_mapping.tdb"), 0,
+ TDB_DEFAULT, O_RDWR|O_CREAT, 0600);
+ if (db == NULL) {
+ DEBUG(0, ("Failed to open group mapping database: %s\n",
+ strerror(errno)));
+ return false;
+ }
+
+#if 0
+ /*
+ * This code was designed to handle a group mapping version
+ * upgrade. mapping_tdb is not active by default anymore, so ignore
+ * this here.
+ */
+ {
+ const char *vstring = "INFO/version";
+ int32 vers_id;
+ GROUP_MAP *map_table = NULL;
+ size_t num_entries = 0;
+
+ /* handle a Samba upgrade */
+ tdb_lock_bystring(tdb, vstring);
+
+ /* 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 its an unknown version we remove everthing in the db */
+
+ if (vers_id != DATABASE_VERSION_V2) {
+ tdb_wipe_all(tdb);
+ tdb_store_int32(tdb, vstring, DATABASE_VERSION_V2);
+ }
+
+ tdb_unlock_bystring(tdb, vstring);
+
+ /* cleanup any map entries with a gid == -1 */
+
+ if ( enum_group_mapping( NULL, SID_NAME_UNKNOWN, &map_table,
+ &num_entries, False ) ) {
+ int i;
+
+ for ( i=0; i<num_entries; i++ ) {
+ if ( map_table[i].gid == -1 ) {
+ group_map_remove( &map_table[i].sid );
+ }
+ }
+
+ SAFE_FREE( map_table );
+ }
+ }
+#endif
+
+ return true;
+}
+
+static char *group_mapping_key(TALLOC_CTX *mem_ctx, const DOM_SID *sid)
+{
+ char *sidstr, *result;
+
+ sidstr = sid_string_talloc(talloc_tos(), sid);
+ if (sidstr == NULL) {
+ return NULL;
+ }
+
+ result = talloc_asprintf(mem_ctx, "%s%s", GROUP_PREFIX, sidstr);
+
+ TALLOC_FREE(sidstr);
+ return result;
+}
+
+/****************************************************************************
+****************************************************************************/
+static bool add_mapping_entry(GROUP_MAP *map, int flag)
+{
+ char *key, *buf;
+ int len;
+ NTSTATUS status;
+
+ key = group_mapping_key(talloc_tos(), &map->sid);
+ if (key == NULL) {
+ return false;
+ }
+
+ len = tdb_pack(NULL, 0, "ddff",
+ map->gid, map->sid_name_use, map->nt_name, map->comment);
+
+ buf = TALLOC_ARRAY(key, char, len);
+ if (!buf) {
+ TALLOC_FREE(key);
+ return false;
+ }
+ len = tdb_pack((uint8 *)buf, len, "ddff", map->gid,
+ map->sid_name_use, map->nt_name, map->comment);
+
+ status = dbwrap_trans_store(
+ db, string_term_tdb_data(key),
+ make_tdb_data((uint8_t *)buf, len), TDB_REPLACE);
+
+ TALLOC_FREE(key);
+
+ return NT_STATUS_IS_OK(status);
+}
+
+
+/****************************************************************************
+ 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 dbuf;
+ char *key;
+ int ret = 0;
+
+ /* the key is the SID, retrieving is direct */
+
+ key = group_mapping_key(talloc_tos(), &sid);
+ if (key == NULL) {
+ return false;
+ }
+
+ dbuf = dbwrap_fetch_bystring(db, key, key);
+ if (dbuf.dptr == NULL) {
+ TALLOC_FREE(key);
+ return false;
+ }
+
+ ret = tdb_unpack(dbuf.dptr, dbuf.dsize, "ddff",
+ &map->gid, &map->sid_name_use,
+ &map->nt_name, &map->comment);
+
+ TALLOC_FREE(key);
+
+ if ( ret == -1 ) {
+ DEBUG(3,("get_group_map_from_sid: tdb_unpack failure\n"));
+ return false;
+ }
+
+ sid_copy(&map->sid, &sid);
+
+ return true;
+}
+
+static bool dbrec2map(const struct db_record *rec, GROUP_MAP *map)
+{
+ if ((rec->key.dsize < strlen(GROUP_PREFIX))
+ || (strncmp((char *)rec->key.dptr, GROUP_PREFIX,
+ GROUP_PREFIX_LEN) != 0)) {
+ return False;
+ }
+
+ if (!string_to_sid(&map->sid, (const char *)rec->key.dptr
+ + GROUP_PREFIX_LEN)) {
+ return False;
+ }
+
+ return tdb_unpack(rec->value.dptr, rec->value.dsize, "ddff",
+ &map->gid, &map->sid_name_use, &map->nt_name,
+ &map->comment) != -1;
+}
+
+struct find_map_state {
+ bool found;
+ const char *name; /* If != NULL, look for name */
+ gid_t gid; /* valid iff name == NULL */
+ GROUP_MAP *map;
+};
+
+static int find_map(struct db_record *rec, void *private_data)
+{
+ struct find_map_state *state = (struct find_map_state *)private_data;
+
+ if (!dbrec2map(rec, state->map)) {
+ DEBUG(10, ("failed to unpack map\n"));
+ return 0;
+ }
+
+ if (state->name != NULL) {
+ if (strequal(state->name, state->map->nt_name)) {
+ state->found = true;
+ return 1;
+ }
+ }
+ else {
+ if (state->map->gid == state->gid) {
+ state->found = true;
+ return 1;
+ }
+ }
+
+ return 0;
+}
+
+/****************************************************************************
+ Return the sid and the type of the unix group.
+****************************************************************************/
+
+static bool get_group_map_from_gid(gid_t gid, GROUP_MAP *map)
+{
+ struct find_map_state state;
+
+ state.found = false;
+ state.name = NULL; /* Indicate we're looking for gid */
+ state.gid = gid;
+ state.map = map;
+
+ db->traverse_read(db, find_map, (void *)&state);
+
+ return state.found;
+}
+
+/****************************************************************************
+ Return the sid and the type of the unix group.
+****************************************************************************/
+
+static bool get_group_map_from_ntname(const char *name, GROUP_MAP *map)
+{
+ struct find_map_state state;
+
+ state.found = false;
+ state.name = name;
+ state.map = map;
+
+ db->traverse_read(db, find_map, (void *)&state);
+
+ return state.found;
+}
+
+/****************************************************************************
+ Remove a group mapping entry.
+****************************************************************************/
+
+static bool group_map_remove(const DOM_SID *sid)
+{
+ char *key;
+ NTSTATUS status;
+
+ key = group_mapping_key(talloc_tos(), sid);
+ if (key == NULL) {
+ return false;
+ }
+
+ status = dbwrap_trans_delete(db, string_term_tdb_data(key));
+
+ TALLOC_FREE(key);
+ return NT_STATUS_IS_OK(status);
+}
+
+/****************************************************************************
+ Enumerate the group mapping.
+****************************************************************************/
+
+struct enum_map_state {
+ const DOM_SID *domsid;
+ enum lsa_SidType sid_name_use;
+ bool unix_only;
+
+ size_t num_maps;
+ GROUP_MAP *maps;
+};
+
+static int collect_map(struct db_record *rec, void *private_data)
+{
+ struct enum_map_state *state = (struct enum_map_state *)private_data;
+ GROUP_MAP map;
+ GROUP_MAP *tmp;
+
+ if (!dbrec2map(rec, &map)) {
+ return 0;
+ }
+ /* list only the type or everything if UNKNOWN */
+ if (state->sid_name_use != SID_NAME_UNKNOWN
+ && state->sid_name_use != map.sid_name_use) {
+ DEBUG(11,("enum_group_mapping: group %s is not of the "
+ "requested type\n", map.nt_name));
+ return 0;
+ }
+
+ if ((state->unix_only == ENUM_ONLY_MAPPED) && (map.gid == -1)) {
+ DEBUG(11,("enum_group_mapping: group %s is non mapped\n",
+ map.nt_name));
+ return 0;
+ }
+
+ if ((state->domsid != NULL) &&
+ (sid_compare_domain(state->domsid, &map.sid) != 0)) {
+ DEBUG(11,("enum_group_mapping: group %s is not in domain\n",
+ sid_string_dbg(&map.sid)));
+ return 0;
+ }
+
+ if (!(tmp = SMB_REALLOC_ARRAY(state->maps, GROUP_MAP,
+ state->num_maps+1))) {
+ DEBUG(0,("enum_group_mapping: Unable to enlarge group "
+ "map!\n"));
+ return 1;
+ }
+
+ state->maps = tmp;
+ state->maps[state->num_maps] = map;
+ state->num_maps++;
+ return 0;
+}
+
+static bool enum_group_mapping(const DOM_SID *domsid,
+ enum lsa_SidType sid_name_use,
+ GROUP_MAP **pp_rmap,
+ size_t *p_num_entries, bool unix_only)
+{
+ struct enum_map_state state;
+
+ state.domsid = domsid;
+ state.sid_name_use = sid_name_use;
+ state.unix_only = unix_only;
+ state.num_maps = 0;
+ state.maps = NULL;
+
+ if (db->traverse_read(db, collect_map, (void *)&state) < 0) {
+ return false;
+ }
+
+ *pp_rmap = state.maps;
+ *p_num_entries = state.num_maps;
+
+ 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 tmp;
+ fstring key;
+ char *string_sid;
+ TDB_DATA dbuf;
+ const char *p;
+ NTSTATUS status = NT_STATUS_OK;
+ TALLOC_CTX *frame = talloc_stackframe();
+
+ slprintf(key, sizeof(key), "%s%s", MEMBEROF_PREFIX,
+ sid_to_fstring(tmp, member));
+
+ dbuf = dbwrap_fetch_bystring(db, frame, key);
+ if (dbuf.dptr == NULL) {
+ TALLOC_FREE(frame);
+ return NT_STATUS_OK;
+ }
+
+ p = (const char *)dbuf.dptr;
+
+ while (next_token_talloc(frame, &p, &string_sid, " ")) {
+ DOM_SID alias;
+
+ if (!string_to_sid(&alias, string_sid))
+ continue;
+
+ status= add_sid_to_array_unique(NULL, &alias, sids, num);
+ if (!NT_STATUS_IS_OK(status)) {
+ goto done;
+ }
+ }
+
+done:
+ TALLOC_FREE(frame);
+ return status;
+}
+
+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) {
+ TALLOC_FREE(sids);
+ return True;
+ }
+ }
+ TALLOC_FREE(sids);
+ return False;
+}
+
+
+static NTSTATUS add_aliasmem(const DOM_SID *alias, const DOM_SID *member)
+{
+ GROUP_MAP map;
+ char *key;
+ fstring string_sid;
+ char *new_memberstring;
+ struct db_record *rec;
+ NTSTATUS status;
+
+ 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_fstring(string_sid, member);
+
+ key = talloc_asprintf(talloc_tos(), "%s%s", MEMBEROF_PREFIX,
+ string_sid);
+ if (key == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ if (db->transaction_start(db) != 0) {
+ DEBUG(0, ("transaction_start failed\n"));
+ return NT_STATUS_INTERNAL_DB_CORRUPTION;
+ }
+
+ rec = db->fetch_locked(db, key, string_term_tdb_data(key));
+
+ if (rec == NULL) {
+ DEBUG(10, ("fetch_lock failed\n"));
+ TALLOC_FREE(key);
+ status = NT_STATUS_INTERNAL_DB_CORRUPTION;
+ goto cancel;
+ }
+
+ sid_to_fstring(string_sid, alias);
+
+ if (rec->value.dptr != NULL) {
+ new_memberstring = talloc_asprintf(
+ key, "%s %s", (char *)(rec->value.dptr), string_sid);
+ } else {
+ new_memberstring = talloc_strdup(key, string_sid);
+ }
+
+ if (new_memberstring == NULL) {
+ TALLOC_FREE(key);
+ status = NT_STATUS_NO_MEMORY;
+ goto cancel;
+ }
+
+ status = rec->store(rec, string_term_tdb_data(new_memberstring), 0);
+
+ TALLOC_FREE(key);
+
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(10, ("Could not store record: %s\n", nt_errstr(status)));
+ goto cancel;
+ }
+
+ if (db->transaction_commit(db) != 0) {
+ DEBUG(0, ("transaction_commit failed\n"));
+ status = NT_STATUS_INTERNAL_DB_CORRUPTION;
+ return status;
+ }
+
+ return NT_STATUS_OK;
+
+ cancel:
+ if (db->transaction_cancel(db) != 0) {
+ smb_panic("transaction_cancel failed");
+ }
+
+ return status;
+}
+
+struct aliasmem_state {
+ const DOM_SID *alias;
+ DOM_SID **sids;
+ size_t *num;
+};
+
+static int collect_aliasmem(struct db_record *rec, void *priv)
+{
+ struct aliasmem_state *state = (struct aliasmem_state *)priv;
+ const char *p;
+ char *alias_string;
+ TALLOC_CTX *frame;
+
+ if (strncmp((const char *)rec->key.dptr, MEMBEROF_PREFIX,
+ MEMBEROF_PREFIX_LEN) != 0)
+ return 0;
+
+ p = (const char *)rec->value.dptr;
+
+ frame = talloc_stackframe();
+
+ while (next_token_talloc(frame, &p, &alias_string, " ")) {
+ DOM_SID alias, member;
+ const char *member_string;
+
+ if (!string_to_sid(&alias, alias_string))
+ continue;
+
+ if (sid_compare(state->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((const char *)rec->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;
+
+ if (!NT_STATUS_IS_OK(add_sid_to_array(NULL, &member,
+ state->sids,
+ state->num)))
+ {
+ /* talloc fail. */
+ break;
+ }
+ }
+
+ TALLOC_FREE(frame);
+ return 0;
+}
+
+static NTSTATUS enum_aliasmem(const DOM_SID *alias, DOM_SID **sids, size_t *num)
+{
+ GROUP_MAP map;
+ struct aliasmem_state state;
+
+ 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;
+
+ state.alias = alias;
+ state.sids = sids;
+ state.num = num;
+
+ db->traverse_read(db, collect_aliasmem, &state);
+ return NT_STATUS_OK;
+}
+
+static NTSTATUS del_aliasmem(const DOM_SID *alias, const DOM_SID *member)
+{
+ NTSTATUS status;
+ DOM_SID *sids;
+ size_t i, num;
+ bool found = False;
+ char *member_string;
+ char *key;
+ fstring sid_string;
+
+ if (db->transaction_start(db) != 0) {
+ DEBUG(0, ("transaction_start failed\n"));
+ return NT_STATUS_INTERNAL_DB_CORRUPTION;
+ }
+
+ status = alias_memberships(member, 1, &sids, &num);
+
+ if (!NT_STATUS_IS_OK(status)) {
+ goto cancel;
+ }
+
+ for (i=0; i<num; i++) {
+ if (sid_compare(&sids[i], alias) == 0) {
+ found = True;
+ break;
+ }
+ }
+
+ if (!found) {
+ TALLOC_FREE(sids);
+ status = NT_STATUS_MEMBER_NOT_IN_ALIAS;
+ goto cancel;
+ }
+
+ if (i < num)
+ sids[i] = sids[num-1];
+
+ num -= 1;
+
+ sid_to_fstring(sid_string, member);
+
+ key = talloc_asprintf(sids, "%s%s", MEMBEROF_PREFIX, sid_string);
+ if (key == NULL) {
+ TALLOC_FREE(sids);
+ status = NT_STATUS_NO_MEMORY;
+ goto cancel;
+ }
+
+ if (num == 0) {
+ status = dbwrap_delete_bystring(db, key);
+ TALLOC_FREE(sids);
+ goto cancel;
+ }
+
+ member_string = talloc_strdup(sids, "");
+ if (member_string == NULL) {
+ TALLOC_FREE(sids);
+ status = NT_STATUS_NO_MEMORY;
+ goto cancel;
+ }
+
+ for (i=0; i<num; i++) {
+
+ sid_to_fstring(sid_string, &sids[i]);
+
+ member_string = talloc_asprintf_append_buffer(
+ member_string, " %s", sid_string);
+
+ if (member_string == NULL) {
+ TALLOC_FREE(sids);
+ status = NT_STATUS_NO_MEMORY;
+ goto cancel;
+ }
+ }
+
+ status = dbwrap_store_bystring(
+ db, key, string_term_tdb_data(member_string), 0);
+
+ TALLOC_FREE(sids);
+
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(10, ("dbwrap_store_bystring failed: %s\n",
+ nt_errstr(status)));
+ goto cancel;
+ }
+
+ if (db->transaction_commit(db) != 0) {
+ DEBUG(0, ("transaction_commit failed\n"));
+ status = NT_STATUS_INTERNAL_DB_CORRUPTION;
+ return status;
+ }
+
+ return NT_STATUS_OK;
+
+ cancel:
+ if (db->transaction_cancel(db) != 0) {
+ smb_panic("transaction_cancel failed");
+ }
+ return status;
+}
+
+static const struct mapping_backend tdb_backend = {
+ .add_mapping_entry = add_mapping_entry,
+ .get_group_map_from_sid = get_group_map_from_sid,
+ .get_group_map_from_gid = get_group_map_from_gid,
+ .get_group_map_from_ntname = get_group_map_from_ntname,
+ .group_map_remove = group_map_remove,
+ .enum_group_mapping = enum_group_mapping,
+ .one_alias_membership = one_alias_membership,
+ .add_aliasmem = add_aliasmem,
+ .del_aliasmem = del_aliasmem,
+ .enum_aliasmem = enum_aliasmem
+};
+
+/*
+ initialise the tdb mapping backend
+ */
+const struct mapping_backend *groupdb_tdb_init(void)
+{
+ if (!init_group_mapping()) {
+ DEBUG(0,("Failed to initialise tdb mapping backend\n"));
+ return NULL;
+ }
+
+ return &tdb_backend;
+}
generated by cgit (git 2.34.1) at 2025-04-02 05:02:45 +0000