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-rw-r--r--source3/sam/idmap_tdb.c526
1 files changed, 0 insertions, 526 deletions
diff --git a/source3/sam/idmap_tdb.c b/source3/sam/idmap_tdb.c
deleted file mode 100644
index 4af46ac8d3..0000000000
--- a/source3/sam/idmap_tdb.c
+++ /dev/null
@@ -1,526 +0,0 @@
-/*
- Unix SMB/CIFS implementation.
-
- idmap TDB backend
-
- Copyright (C) Tim Potter 2000
- Copyright (C) Anthony Liguori 2003
- Copyright (C) Simo Sorce 2003
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
-
-#include "includes.h"
-
-#undef DBGC_CLASS
-#define DBGC_CLASS DBGC_IDMAP
-
-/* 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;
-
-struct idmap_state {
-
- /* User and group id pool */
-
- uid_t uid_low, uid_high; /* Range of uids to allocate */
- gid_t gid_low, gid_high; /* Range of gids to allocate */
-} idmap_state;
-
-
-/* FIXME: let handle conversions when all things work ok.
- I think it is better to handle the conversion at
- upgrade time and leave the old db intact.
- That would also make easier to go back to 2.2 if needed
- ---SSS */
-#if 0
-
-/* 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(const char *idmap_name)
-{
- 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;
-}
-#endif
-
-/* Allocate either a user or group id from the pool */
-static NTSTATUS tdb_allocate_id(unid_t *id, int id_type)
-{
- int hwm;
-
- if (!id) return NT_STATUS_INVALID_PARAMETER;
-
- /* Get current high water mark */
- switch (id_type & ID_TYPEMASK) {
- case ID_USERID:
- if ((hwm = tdb_fetch_int32(idmap_tdb, HWM_USER)) == -1) {
- return NT_STATUS_INTERNAL_DB_ERROR;
- }
-
- if (hwm > idmap_state.uid_high) {
- DEBUG(0, ("idmap Fatal Error: UID range full!!\n"));
- return NT_STATUS_UNSUCCESSFUL;
- }
-
- (*id).uid = hwm++;
-
- /* Store new high water mark */
- tdb_store_int32(idmap_tdb, HWM_USER, hwm);
- break;
- case ID_GROUPID:
- if ((hwm = tdb_fetch_int32(idmap_tdb, HWM_GROUP)) == -1) {
- return NT_STATUS_INTERNAL_DB_ERROR;
- }
-
- if (hwm > idmap_state.gid_high) {
- DEBUG(0, ("idmap Fatal Error: GID range full!!\n"));
- return NT_STATUS_UNSUCCESSFUL;
- }
-
- (*id).gid = hwm++;
-
- /* Store new high water mark */
- tdb_store_int32(idmap_tdb, HWM_GROUP, hwm);
- break;
- default:
- return NT_STATUS_INVALID_PARAMETER;
- }
-
- return NT_STATUS_OK;
-}
-
-/* Get a sid from an id */
-static NTSTATUS tdb_get_sid_from_id(DOM_SID *sid, unid_t id, int id_type)
-{
- TDB_DATA key, data;
- fstring keystr;
- NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
-
- if (!sid) return NT_STATUS_INVALID_PARAMETER;
-
- switch (id_type & ID_TYPEMASK) {
- case ID_USERID:
- slprintf(keystr, sizeof(keystr), "UID %d", id.uid);
- break;
- case ID_GROUPID:
- slprintf(keystr, sizeof(keystr), "GID %d", id.gid);
- break;
- default:
- return NT_STATUS_UNSUCCESSFUL;
- }
-
- key.dptr = keystr;
- key.dsize = strlen(keystr) + 1;
-
- data = tdb_fetch(idmap_tdb, key);
-
- if (data.dptr) {
- if (string_to_sid(sid, data.dptr)) {
- ret = NT_STATUS_OK;
- }
- SAFE_FREE(data.dptr);
- }
-
- return ret;
-}
-
-/* Get an id from a sid */
-static NTSTATUS tdb_get_id_from_sid(unid_t *id, int *id_type, DOM_SID *sid)
-{
- TDB_DATA data, key;
- fstring keystr;
- NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
-
- if (!sid || !id || !id_type) return NT_STATUS_INVALID_PARAMETER;
-
- /* 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) {
- int type = *id_type & ID_TYPEMASK;
- fstring scanstr;
-
- if (type == ID_EMPTY || type == ID_USERID) {
- /* Parse and return existing uid */
- fstrcpy(scanstr, "UID %d");
-
- if (sscanf(data.dptr, scanstr, (*id).uid) == 1) {
- /* uid ok? */
- if (type == ID_EMPTY) {
- *id_type = ID_USERID;
- }
- ret = NT_STATUS_OK;
- goto idok;
- }
- }
-
- if (type == ID_EMPTY || type == ID_GROUPID) {
- /* Parse and return existing gid */
- fstrcpy(scanstr, "GID %d");
-
- if (sscanf(data.dptr, scanstr, (*id).gid) == 1) {
- /* gid ok? */
- if (type == ID_EMPTY) {
- *id_type = ID_GROUPID;
- }
- ret = NT_STATUS_OK;
- }
- }
-idok:
- SAFE_FREE(data.dptr);
-
- } else if (!(*id_type & ID_NOMAP) &&
- (((*id_type & ID_TYPEMASK) == ID_USERID)
- || (*id_type & ID_TYPEMASK) == ID_GROUPID)) {
-
- /* Allocate a new id for this sid */
- ret = tdb_allocate_id(id, *id_type);
- if (NT_STATUS_IS_OK(ret)) {
- fstring keystr2;
-
- /* Store new id */
- if (*id_type & ID_USERID) {
- slprintf(keystr2, sizeof(keystr2), "UID %d", (*id).uid);
- } else {
- slprintf(keystr2, sizeof(keystr2), "GID %d", (*id).gid);
- }
-
- data.dptr = keystr2;
- data.dsize = strlen(keystr2) + 1;
-
- if (tdb_store(idmap_tdb, key, data, TDB_INSERT) == -1) {
- /* TODO: print tdb error !! */
- return NT_STATUS_UNSUCCESSFUL;
- }
- if (tdb_store(idmap_tdb, data, key, TDB_INSERT) == -1) {
- /* TODO: print tdb error !! */
- return NT_STATUS_UNSUCCESSFUL;
- }
-
- ret = NT_STATUS_OK;
- }
- }
-
- return ret;
-}
-
-static NTSTATUS tdb_set_mapping(DOM_SID *sid, unid_t id, int id_type)
-{
- TDB_DATA ksid, kid;
- fstring ksidstr;
- fstring kidstr;
-
- if (!sid) return NT_STATUS_INVALID_PARAMETER;
-
- sid_to_string(ksidstr, sid);
-
- ksid.dptr = ksidstr;
- ksid.dsize = strlen(ksidstr) + 1;
-
- id_type &= ID_TYPEMASK;
- if (id_type & ID_USERID) {
- slprintf(kidstr, sizeof(kidstr), "UID %d", id.uid);
- } else if (id_type & ID_GROUPID) {
- slprintf(kidstr, sizeof(kidstr), "GID %d", id.gid);
- } else {
- return NT_STATUS_INVALID_PARAMETER;
- }
-
- kid.dptr = kidstr;
- kid.dsize = strlen(kidstr) + 1;
-
- if (tdb_store(idmap_tdb, ksid, kid, TDB_INSERT) == -1) {
- /* TODO: print tdb error !! */
- return NT_STATUS_UNSUCCESSFUL;
- }
- if (tdb_store(idmap_tdb, kid, ksid, TDB_INSERT) == -1) {
- /* TODO: print tdb error !! */
- return NT_STATUS_UNSUCCESSFUL;
- }
- return NT_STATUS_OK;
-}
-
-/*****************************************************************************
- Initialise idmap database.
-*****************************************************************************/
-static NTSTATUS tdb_idmap_init(const char *db_name)
-{
- /* Open tdb cache */
- if (!(idmap_tdb = tdb_open_log(lock_path(db_name), 0,
- TDB_DEFAULT, O_RDWR | O_CREAT,
- 0600))) {
- DEBUG(0, ("idmap_init: Unable to open idmap database\n"));
- return NT_STATUS_UNSUCCESSFUL;
- }
-
-#if 0
- /* possibly convert from an earlier version */
- if (!tdb_idmap_convert(lock_path("winbind_idmap.tdb"))) {
- DEBUG(0,
- ("idmap_init: Unable to open old idmap database\n"));
- return False;
- }
-#endif
-
- /* 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, idmap_state.uid_low) == -1) {
- DEBUG(0, ("idmap_init: Unable to initialise user hwm in idmap database\n"));
- return NT_STATUS_INTERNAL_DB_ERROR;
- }
- }
-
- if (tdb_fetch_int32(idmap_tdb, HWM_GROUP) == -1) {
- if (tdb_store_int32(idmap_tdb, HWM_GROUP, idmap_state.gid_low) == -1) {
- DEBUG(0, ("idmap_init: Unable to initialise group hwm in idmap database\n"));
- return NT_STATUS_INTERNAL_DB_ERROR;
- }
- }
-
- return NT_STATUS_OK;
-}
-
-/* Close the tdb */
-static NTSTATUS tdb_idmap_close(void)
-{
- if (idmap_tdb) {
- if (tdb_close(idmap_tdb) == 0) {
- return NT_STATUS_OK;
- } else {
- return NT_STATUS_UNSUCCESSFUL;
- }
- }
- return NT_STATUS_OK;
-}
-
-
-/* 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 - idmap_state.uid_low;
- int total_users =
- idmap_state.uid_high - idmap_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 - idmap_state.gid_low;
- int total_groups =
- idmap_state.gid_high - idmap_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 idmap_methods tdb_idmap_methods = {
-
- tdb_idmap_init,
- tdb_get_sid_from_id,
- tdb_get_id_from_sid,
- tdb_set_mapping,
- tdb_idmap_close,
- tdb_idmap_status
-
-};
-
-NTSTATUS idmap_reg_tdb(struct idmap_methods **meth)
-{
- *meth = &tdb_idmap_methods;
-
- return NT_STATUS_OK;
-}
-