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Diffstat (limited to 'source3/nsswitch/winbindd_idmap_tdb.c')
-rw-r--r--source3/nsswitch/winbindd_idmap_tdb.c459
1 files changed, 0 insertions, 459 deletions
diff --git a/source3/nsswitch/winbindd_idmap_tdb.c b/source3/nsswitch/winbindd_idmap_tdb.c
deleted file mode 100644
index 12d6972bae..0000000000
--- a/source3/nsswitch/winbindd_idmap_tdb.c
+++ /dev/null
@@ -1,459 +0,0 @@
-/*
- Unix SMB/CIFS implementation.
-
- Winbind daemon - user related function
-
- Copyright (C) Tim Potter 2000
- Copyright (C) Anthony Liguori 2003
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
-
-#include "winbindd.h"
-
-#undef DBGC_CLASS
-#define DBGC_CLASS DBGC_WINBIND
-
-/* High water mark keys */
-#define HWM_GROUP "GROUP HWM"
-#define HWM_USER "USER HWM"
-
-/* idmap version determines auto-conversion */
-#define IDMAP_VERSION 2
-
-/* Globals */
-static TDB_CONTEXT *idmap_tdb;
-
-/* convert one record to the new format */
-static int tdb_convert_fn(TDB_CONTEXT * tdb, TDB_DATA key, TDB_DATA data,
- void *ignored)
-{
- struct winbindd_domain *domain;
- char *p;
- DOM_SID sid;
- uint32 rid;
- fstring keystr;
- fstring dom_name;
- TDB_DATA key2;
-
- p = strchr(key.dptr, '/');
- if (!p)
- return 0;
-
- *p = 0;
- fstrcpy(dom_name, key.dptr);
- *p++ = '/';
-
- domain = find_domain_from_name(dom_name);
- if (!domain) {
- /* We must delete the old record. */
- DEBUG(0,
- ("winbindd: tdb_convert_fn : Unable to find domain %s\n",
- dom_name));
- DEBUG(0,
- ("winbindd: tdb_convert_fn : deleting record %s\n",
- key.dptr));
- tdb_delete(idmap_tdb, key);
- return 0;
- }
-
- rid = atoi(p);
-
- sid_copy(&sid, &domain->sid);
- sid_append_rid(&sid, rid);
-
- sid_to_string(keystr, &sid);
- key2.dptr = keystr;
- key2.dsize = strlen(keystr) + 1;
-
- if (tdb_store(idmap_tdb, key2, data, TDB_INSERT) != 0) {
- /* not good! */
- DEBUG(0,
- ("winbindd: tdb_convert_fn : Unable to update record %s\n",
- key2.dptr));
- DEBUG(0,
- ("winbindd: tdb_convert_fn : conversion failed - idmap corrupt ?\n"));
- return -1;
- }
-
- if (tdb_store(idmap_tdb, data, key2, TDB_REPLACE) != 0) {
- /* not good! */
- DEBUG(0,
- ("winbindd: tdb_convert_fn : Unable to update record %s\n",
- data.dptr));
- DEBUG(0,
- ("winbindd: tdb_convert_fn : conversion failed - idmap corrupt ?\n"));
- return -1;
- }
-
- tdb_delete(idmap_tdb, key);
-
- return 0;
-}
-
-/*****************************************************************************
- Convert the idmap database from an older version.
-*****************************************************************************/
-static BOOL tdb_idmap_convert(void)
-{
- int32 vers = tdb_fetch_int32(idmap_tdb, "IDMAP_VERSION");
- BOOL bigendianheader =
- (idmap_tdb->flags & TDB_BIGENDIAN) ? True : False;
-
- if (vers == IDMAP_VERSION)
- return True;
-
- if (((vers == -1) && bigendianheader)
- || (IREV(vers) == IDMAP_VERSION)) {
- /* Arrggghh ! Bytereversed or old big-endian - make order independent ! */
- /*
- * high and low records were created on a
- * big endian machine and will need byte-reversing.
- */
-
- int32 wm;
-
- wm = tdb_fetch_int32(idmap_tdb, HWM_USER);
-
- if (wm != -1) {
- wm = IREV(wm);
- } else
- wm = server_state.uid_low;
-
- if (tdb_store_int32(idmap_tdb, HWM_USER, wm) == -1) {
- DEBUG(0,
- ("tdb_idmap_convert: Unable to byteswap user hwm in idmap database\n"));
- return False;
- }
-
- wm = tdb_fetch_int32(idmap_tdb, HWM_GROUP);
- if (wm != -1) {
- wm = IREV(wm);
- } else
- wm = server_state.gid_low;
-
- if (tdb_store_int32(idmap_tdb, HWM_GROUP, wm) == -1) {
- DEBUG(0,
- ("tdb_idmap_convert: Unable to byteswap group hwm in idmap database\n"));
- return False;
- }
- }
-
- /* the old format stored as DOMAIN/rid - now we store the SID direct */
- tdb_traverse(idmap_tdb, tdb_convert_fn, NULL);
-
- if (tdb_store_int32(idmap_tdb, "IDMAP_VERSION", IDMAP_VERSION) ==
- -1) {
- DEBUG(0,
- ("tdb_idmap_convert: Unable to byteswap group hwm in idmap database\n"));
- return False;
- }
-
- return True;
-}
-
-/* Allocate either a user or group id from the pool */
-static BOOL tdb_allocate_id(uid_t * id, BOOL isgroup)
-{
- int hwm;
-
- /* Get current high water mark */
- if ((hwm = tdb_fetch_int32(idmap_tdb,
- isgroup ? HWM_GROUP : HWM_USER)) ==
- -1) {
- return False;
- }
-
- /* Return next available uid in list */
- if ((isgroup && (hwm > server_state.gid_high)) ||
- (!isgroup && (hwm > server_state.uid_high))) {
- DEBUG(0,
- ("winbind %sid range full!\n", isgroup ? "g" : "u"));
- return False;
- }
-
- if (id) {
- *id = hwm;
- }
-
- hwm++;
-
- /* Store new high water mark */
- tdb_store_int32(idmap_tdb, isgroup ? HWM_GROUP : HWM_USER, hwm);
-
- return True;
-}
-
-/* Get a sid from an id */
-static BOOL tdb_get_sid_from_id(int id, DOM_SID * sid, BOOL isgroup)
-{
- TDB_DATA key, data;
- fstring keystr;
- BOOL result = False;
-
- slprintf(keystr, sizeof(keystr), "%s %d", isgroup ? "GID" : "UID",
- id);
-
- key.dptr = keystr;
- key.dsize = strlen(keystr) + 1;
-
- data = tdb_fetch(idmap_tdb, key);
-
- if (data.dptr) {
- result = string_to_sid(sid, data.dptr);
- SAFE_FREE(data.dptr);
- }
-
- return result;
-}
-
-/* Get an id from a sid */
-static BOOL tdb_get_id_from_sid(DOM_SID * sid, uid_t * id, BOOL isgroup)
-{
- TDB_DATA data, key;
- fstring keystr;
- BOOL result = False;
-
- /* Check if sid is present in database */
- sid_to_string(keystr, sid);
-
- key.dptr = keystr;
- key.dsize = strlen(keystr) + 1;
-
- data = tdb_fetch(idmap_tdb, key);
-
- if (data.dptr) {
- fstring scanstr;
- int the_id;
-
- /* Parse and return existing uid */
- fstrcpy(scanstr, isgroup ? "GID" : "UID");
- fstrcat(scanstr, " %d");
-
- if (sscanf(data.dptr, scanstr, &the_id) == 1) {
- /* Store uid */
- if (id) {
- *id = the_id;
- }
-
- result = True;
- }
-
- SAFE_FREE(data.dptr);
- } else {
-
- /* Allocate a new id for this sid */
- if (id && tdb_allocate_id(id, isgroup)) {
- fstring keystr2;
-
- /* Store new id */
- slprintf(keystr2, sizeof(keystr2), "%s %d",
- isgroup ? "GID" : "UID", *id);
-
- data.dptr = keystr2;
- data.dsize = strlen(keystr2) + 1;
-
- tdb_store(idmap_tdb, key, data, TDB_REPLACE);
- tdb_store(idmap_tdb, data, key, TDB_REPLACE);
-
- result = True;
- }
- }
-
- return result;
-}
-
-/*****************************************************************************
- Initialise idmap database.
-*****************************************************************************/
-static BOOL tdb_idmap_init(void)
-{
- SMB_STRUCT_STAT stbuf;
-
- /* move to the new database on first startup */
- if (!file_exist(lock_path("idmap.tdb"), &stbuf)) {
- if (file_exist(lock_path("winbindd_idmap.tdb"), &stbuf)) {
- char *cmd = NULL;
-
- /* lazy file copy */
- if (asprintf(&cmd, "cp -p %s/winbindd_idmap.tdb %s/idmap.tdb", lp_lockdir(), lp_lockdir()) != -1) {
- system(cmd);
- free(cmd);
- }
- if (!file_exist(lock_path("idmap.tdb"), &stbuf)) {
- DEBUG(0, ("idmap_init: Unable to make a new database copy\n"));
- return False;
- }
- }
- }
-
- /* Open tdb cache */
- if (!(idmap_tdb = tdb_open_log(lock_path("idmap.tdb"), 0,
- TDB_DEFAULT, O_RDWR | O_CREAT,
- 0600))) {
- DEBUG(0,
- ("winbindd_idmap_init: Unable to open idmap database\n"));
- return False;
- }
-
- /* possibly convert from an earlier version */
- if (!tdb_idmap_convert()) {
- DEBUG(0, ("winbindd_idmap_init: Unable to open idmap database\n"));
- return False;
- }
-
- /* Create high water marks for group and user id */
- if (tdb_fetch_int32(idmap_tdb, HWM_USER) == -1) {
- if (tdb_store_int32
- (idmap_tdb, HWM_USER, server_state.uid_low) == -1) {
- DEBUG(0,
- ("winbindd_idmap_init: Unable to initialise user hwm in idmap database\n"));
- return False;
- }
- }
-
- if (tdb_fetch_int32(idmap_tdb, HWM_GROUP) == -1) {
- if (tdb_store_int32
- (idmap_tdb, HWM_GROUP, server_state.gid_low) == -1) {
- DEBUG(0,
- ("winbindd_idmap_init: Unable to initialise group hwm in idmap database\n"));
- return False;
- }
- }
-
- return True;
-}
-
-/* Get a sid from a uid */
-static BOOL tdb_get_sid_from_uid(uid_t uid, DOM_SID * sid)
-{
- return tdb_get_sid_from_id((int) uid, sid, False);
-}
-
-/* Get a sid from a gid */
-static BOOL tdb_get_sid_from_gid(gid_t gid, DOM_SID * sid)
-{
- return tdb_get_sid_from_id((int) gid, sid, True);
-}
-
-/* Get a uid from a sid */
-static BOOL tdb_get_uid_from_sid(DOM_SID * sid, uid_t * uid)
-{
- return tdb_get_id_from_sid(sid, uid, False);
-}
-
-/* Get a gid from a group sid */
-static BOOL tdb_get_gid_from_sid(DOM_SID * sid, gid_t * gid)
-{
- return tdb_get_id_from_sid(sid, gid, True);
-}
-
-/* Close the tdb */
-static BOOL tdb_idmap_close(void)
-{
- if (idmap_tdb)
- return (tdb_close(idmap_tdb) == 0);
- return True;
-}
-
-
-/* Dump status information to log file. Display different stuff based on
- the debug level:
-
- Debug Level Information Displayed
- =================================================================
- 0 Percentage of [ug]id range allocated
- 0 High water marks (next allocated ids)
-*/
-
-#define DUMP_INFO 0
-
-static void tdb_idmap_status(void)
-{
- int user_hwm, group_hwm;
-
- DEBUG(0, ("winbindd idmap status:\n"));
-
- /* Get current high water marks */
-
- if ((user_hwm = tdb_fetch_int32(idmap_tdb, HWM_USER)) == -1) {
- DEBUG(DUMP_INFO,
- ("\tCould not get userid high water mark!\n"));
- }
-
- if ((group_hwm = tdb_fetch_int32(idmap_tdb, HWM_GROUP)) == -1) {
- DEBUG(DUMP_INFO,
- ("\tCould not get groupid high water mark!\n"));
- }
-
- /* Display next ids to allocate */
-
- if (user_hwm != -1) {
- DEBUG(DUMP_INFO,
- ("\tNext userid to allocate is %d\n", user_hwm));
- }
-
- if (group_hwm != -1) {
- DEBUG(DUMP_INFO,
- ("\tNext groupid to allocate is %d\n", group_hwm));
- }
-
- /* Display percentage of id range already allocated. */
-
- if (user_hwm != -1) {
- int num_users = user_hwm - server_state.uid_low;
- int total_users =
- server_state.uid_high - server_state.uid_low;
-
- DEBUG(DUMP_INFO,
- ("\tUser id range is %d%% full (%d of %d)\n",
- num_users * 100 / total_users, num_users,
- total_users));
- }
-
- if (group_hwm != -1) {
- int num_groups = group_hwm - server_state.gid_low;
- int total_groups =
- server_state.gid_high - server_state.gid_low;
-
- DEBUG(DUMP_INFO,
- ("\tGroup id range is %d%% full (%d of %d)\n",
- num_groups * 100 / total_groups, num_groups,
- total_groups));
- }
-
- /* Display complete mapping of users and groups to rids */
-}
-
-struct winbindd_idmap_methods tdb_idmap_methods = {
- tdb_idmap_init,
-
- tdb_get_sid_from_uid,
- tdb_get_sid_from_gid,
-
- tdb_get_uid_from_sid,
- tdb_get_gid_from_sid,
-
- tdb_idmap_close,
-
- tdb_idmap_status
-};
-
-BOOL winbind_idmap_reg_tdb(struct winbindd_idmap_methods **meth)
-{
- *meth = &tdb_idmap_methods;
-
- return True;
-}
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