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authorMichael Adam <obnox@samba.org>2010-06-17 08:44:04 +0200
committerMichael Adam <obnox@samba.org>2010-08-14 02:10:51 +0200
commit4f2bb1a2595a23d3bba0d0b3bb7bb38872e47c95 (patch)
tree28135bec79a2716afcd5e5828115871fcabf9246 /source3/winbindd
parent47387b3ebb0d4d04403d0d65312d29af6bccc95a (diff)
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s3:idmap_tdb: add a idmap_tdb_new_mapping().
High level function to create a new mapping for an unmapped sid. This builds logic that used to reside in the top level idmap code in the backend. To be called inside a transaction to guarantee atomicity of the operation.
Diffstat (limited to 'source3/winbindd')
-rw-r--r--source3/winbindd/idmap_tdb.c52
1 files changed, 52 insertions, 0 deletions
diff --git a/source3/winbindd/idmap_tdb.c b/source3/winbindd/idmap_tdb.c
index b155bde81d..854b24c601 100644
--- a/source3/winbindd/idmap_tdb.c
+++ b/source3/winbindd/idmap_tdb.c
@@ -610,6 +610,58 @@ done:
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.
**********************************/