#define HWM_GROUP "GROUP HWM"
#define HWM_USER "USER HWM"
-static struct idmap_tdb_state {
-
- /* User and group id pool */
- uid_t low_uid, high_uid; /* Range of uids to allocate */
- gid_t low_gid, high_gid; /* Range of gids to allocate */
-
-} idmap_tdb_state;
-
struct convert_fn_state {
struct db_context *db;
bool failed;
IDMAP ALLOC TDB BACKEND
**********************************************************************/
-static struct db_context *idmap_alloc_db;
-
/**********************************
Allocate a new id.
**********************************/
return ret;
}
-static NTSTATUS idmap_tdb_allocate_id(struct unixid *xid)
+static NTSTATUS idmap_tdb_allocate_id(struct idmap_domain *dom,
+ struct unixid *xid)
{
const char *hwmkey;
const char *hwmtype;
uint32_t hwm = 0;
NTSTATUS status;
struct idmap_tdb_allocate_id_context state;
+ struct idmap_tdb_context *ctx;
+
+ ctx = talloc_get_type(dom->private_data, struct idmap_tdb_context);
/* Get current high water mark */
switch (xid->type) {
case ID_TYPE_UID:
hwmkey = HWM_USER;
hwmtype = "UID";
- high_hwm = idmap_tdb_state.high_uid;
break;
case ID_TYPE_GID:
hwmkey = HWM_GROUP;
hwmtype = "GID";
- high_hwm = idmap_tdb_state.high_gid;
break;
default:
return NT_STATUS_INVALID_PARAMETER;
}
+ high_hwm = dom->high_id;
+
state.hwm = hwm;
state.high_hwm = high_hwm;
state.hwmtype = hwmtype;
state.hwmkey = hwmkey;
- status = dbwrap_trans_do(idmap_alloc_db, idmap_tdb_allocate_id_action,
+ status = dbwrap_trans_do(ctx->db, idmap_tdb_allocate_id_action,
&state);
if (NT_STATUS_IS_OK(status)) {
return NT_STATUS_NOT_IMPLEMENTED;
}
- ret = idmap_tdb_allocate_id(id);
+ ret = idmap_tdb_allocate_id(dom, id);
return ret;
}
-/**********************************
- Close the alloc tdb
-**********************************/
-
-static NTSTATUS idmap_tdb_alloc_close(void)
-{
- TALLOC_FREE(idmap_alloc_db);
- return NT_STATUS_OK;
-}
-
/**********************************************************************
IDMAP MAPPING TDB BACKEND
**********************************************************************/
return ret;
}
+
+/**
+ * store a mapping in the database
+ */
+
+struct idmap_tdb_set_mapping_context {
+ const char *ksidstr;
+ const char *kidstr;
+};
+
+static NTSTATUS idmap_tdb_set_mapping_action(struct db_context *db,
+ void *private_data)
+{
+ NTSTATUS ret;
+ struct idmap_tdb_set_mapping_context *state;
+
+ state = (struct idmap_tdb_set_mapping_context *)private_data;
+
+ DEBUG(10, ("Storing %s <-> %s map\n", state->ksidstr, state->kidstr));
+
+ ret = dbwrap_store_bystring(db, state->ksidstr,
+ string_term_tdb_data(state->kidstr),
+ TDB_REPLACE);
+ if (!NT_STATUS_IS_OK(ret)) {
+ DEBUG(0, ("Error storing SID -> ID (%s -> %s): %s\n",
+ state->ksidstr, state->kidstr, nt_errstr(ret)));
+ goto done;
+ }
+
+ ret = dbwrap_store_bystring(db, state->kidstr,
+ string_term_tdb_data(state->ksidstr),
+ TDB_REPLACE);
+ if (!NT_STATUS_IS_OK(ret)) {
+ DEBUG(0, ("Error storing ID -> SID (%s -> %s): %s\n",
+ state->kidstr, state->ksidstr, nt_errstr(ret)));
+ goto done;
+ }
+
+ DEBUG(10,("Stored %s <-> %s\n", state->ksidstr, state->kidstr));
+ ret = NT_STATUS_OK;
+
+done:
+ return ret;
+}
+
+static NTSTATUS idmap_tdb_set_mapping(struct idmap_domain *dom,
+ const struct id_map *map)
+{
+ struct idmap_tdb_context *ctx;
+ NTSTATUS ret;
+ char *ksidstr, *kidstr;
+ struct idmap_tdb_set_mapping_context state;
+
+ if (!map || !map->sid) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ ksidstr = kidstr = NULL;
+
+ /* TODO: should we filter a set_mapping using low/high filters ? */
+
+ ctx = talloc_get_type(dom->private_data, struct idmap_tdb_context);
+
+ switch (map->xid.type) {
+
+ case ID_TYPE_UID:
+ kidstr = talloc_asprintf(ctx, "UID %lu",
+ (unsigned long)map->xid.id);
+ break;
+
+ case ID_TYPE_GID:
+ kidstr = talloc_asprintf(ctx, "GID %lu",
+ (unsigned long)map->xid.id);
+ break;
+
+ default:
+ DEBUG(2, ("INVALID unix ID type: 0x02%x\n", map->xid.type));
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ if (kidstr == NULL) {
+ DEBUG(0, ("ERROR: Out of memory!\n"));
+ ret = NT_STATUS_NO_MEMORY;
+ goto done;
+ }
+
+ ksidstr = sid_string_talloc(ctx, map->sid);
+ if (ksidstr == NULL) {
+ DEBUG(0, ("Out of memory!\n"));
+ ret = NT_STATUS_NO_MEMORY;
+ goto done;
+ }
+
+ state.ksidstr = ksidstr;
+ state.kidstr = kidstr;
+
+ ret = dbwrap_trans_do(ctx->db, idmap_tdb_set_mapping_action, &state);
+
+done:
+ talloc_free(ksidstr);
+ talloc_free(kidstr);
+ return ret;
+}
+
+/**
+ * Create a new mapping for an unmapped SID, also allocating a new ID.
+ * This should be run inside a transaction.
+ *
+ * TODO:
+ * Properly integrate this with multi domain idmap config:
+ * Currently, the allocator is default-config only.
+ */
+static NTSTATUS idmap_tdb_new_mapping(struct idmap_domain *dom, struct id_map *map)
+{
+ NTSTATUS ret;
+
+ if (map == NULL) {
+ ret = NT_STATUS_INVALID_PARAMETER;
+ goto done;
+ }
+
+ if ((map->xid.type != ID_TYPE_UID) && (map->xid.type != ID_TYPE_GID)) {
+ ret = NT_STATUS_INVALID_PARAMETER;
+ goto done;
+ }
+
+ if (map->sid == NULL) {
+ ret = NT_STATUS_INVALID_PARAMETER;
+ goto done;
+ }
+
+ ret = idmap_tdb_get_new_id(dom, &map->xid);
+ if (!NT_STATUS_IS_OK(ret)) {
+ DEBUG(3, ("Could not allocate id: %s\n", nt_errstr(ret)));
+ goto done;
+ }
+
+ DEBUG(10, ("Setting mapping: %s <-> %s %lu\n",
+ sid_string_dbg(map->sid),
+ (map->xid.type == ID_TYPE_UID) ? "UID" : "GID",
+ (unsigned long)map->xid.id));
+
+ map->status = ID_MAPPED;
+
+ /* store the mapping */
+ ret = idmap_tdb_set_mapping(dom, map);
+ if (!NT_STATUS_IS_OK(ret)) {
+ DEBUG(3, ("Could not store the new mapping: %s\n",
+ nt_errstr(ret)));
+ }
+
+done:
+ return ret;
+}
+
+
/**********************************
Single id to sid lookup function.
**********************************/
return ret;
}
-/**********************************
- set a mapping.
-**********************************/
-
-static NTSTATUS idmap_tdb_set_mapping(struct idmap_domain *dom,
- const struct id_map *map)
-{
- struct idmap_tdb_context *ctx;
- NTSTATUS ret;
- TDB_DATA ksid, kid;
- char *ksidstr, *kidstr;
- fstring tmp;
-
- if (!map || !map->sid) {
- return NT_STATUS_INVALID_PARAMETER;
- }
-
- ksidstr = kidstr = NULL;
-
- /* TODO: should we filter a set_mapping using low/high filters ? */
-
- ctx = talloc_get_type(dom->private_data, struct idmap_tdb_context);
-
- switch (map->xid.type) {
-
- case ID_TYPE_UID:
- kidstr = talloc_asprintf(ctx, "UID %lu",
- (unsigned long)map->xid.id);
- break;
-
- case ID_TYPE_GID:
- kidstr = talloc_asprintf(ctx, "GID %lu",
- (unsigned long)map->xid.id);
- break;
-
- default:
- DEBUG(2, ("INVALID unix ID type: 0x02%x\n", map->xid.type));
- return NT_STATUS_INVALID_PARAMETER;
- }
-
- if (kidstr == NULL) {
- DEBUG(0, ("ERROR: Out of memory!\n"));
- ret = NT_STATUS_NO_MEMORY;
- goto done;
- }
-
- if ((ksidstr = talloc_asprintf(
- ctx, "%s", sid_to_fstring(tmp, map->sid))) == NULL) {
- DEBUG(0, ("Out of memory!\n"));
- ret = NT_STATUS_NO_MEMORY;
- goto done;
- }
-
- DEBUG(10, ("Storing %s <-> %s map\n", ksidstr, kidstr));
- kid = string_term_tdb_data(kidstr);
- ksid = string_term_tdb_data(ksidstr);
-
- if (ctx->db->transaction_start(ctx->db) != 0) {
- DEBUG(0, ("Failed to start transaction for %s\n",
- ksidstr));
- ret = NT_STATUS_INTERNAL_DB_ERROR;
- goto done;
- }
-
- ret = dbwrap_store(ctx->db, ksid, kid, TDB_REPLACE);
- if (!NT_STATUS_IS_OK(ret)) {
- ctx->db->transaction_cancel(ctx->db);
- DEBUG(0, ("Error storing SID -> ID (%s -> %s): %s\n",
- ksidstr, kidstr, nt_errstr(ret)));
- goto done;
- }
- ret = dbwrap_store(ctx->db, kid, ksid, TDB_REPLACE);
- if (!NT_STATUS_IS_OK(ret)) {
- ctx->db->transaction_cancel(ctx->db);
- DEBUG(0, ("Error storing ID -> SID (%s -> %s): %s\n",
- kidstr, ksidstr, nt_errstr(ret)));
- goto done;
- }
-
- if (ctx->db->transaction_commit(ctx->db) != 0) {
- DEBUG(0, ("Failed to commit transaction for (%s -> %s)\n",
- ksidstr, kidstr));
- ret = NT_STATUS_INTERNAL_DB_ERROR;
- goto done;
- }
-
- DEBUG(10,("Stored %s <-> %s\n", ksidstr, kidstr));
- ret = NT_STATUS_OK;
-
-done:
- talloc_free(ksidstr);
- talloc_free(kidstr);
- return ret;
-}
-
/**********************************
Close the idmap tdb instance
**********************************/
git.samba.org / amitay / samba.git / blobdiff