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authorAndrew Tridgell <tridge@samba.org>2011-06-07 10:44:48 +1000
committerAndrew Tridgell <tridge@samba.org>2011-06-07 12:55:37 +1000
commit5d7ba305490b5047b4d404353e95c217c8ef7d10 (patch)
tree653e65b59920ba0ad8442ef93ef4463377386264
parentc6252c2e9d9c43496f1b5ecbf66099979096f66e (diff)
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s4-dsdb: cope with missing backlinks in rpmd handling
if backlinks have not propogated correctly in a previous replication this allows us to recover
-rw-r--r--source4/dsdb/samdb/ldb_modules/repl_meta_data.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/source4/dsdb/samdb/ldb_modules/repl_meta_data.c b/source4/dsdb/samdb/ldb_modules/repl_meta_data.c
index 90933c4c79..04311a4a98 100644
--- a/source4/dsdb/samdb/ldb_modules/repl_meta_data.c
+++ b/source4/dsdb/samdb/ldb_modules/repl_meta_data.c
@@ -254,7 +254,16 @@ static int replmd_process_backlink(struct ldb_module *module, struct la_backlink
msg->elements[0].flags |= LDB_FLAG_INTERNAL_DISABLE_SINGLE_VALUE_CHECK;
ret = dsdb_module_modify(module, msg, DSDB_FLAG_NEXT_MODULE, parent);
- if (ret != LDB_SUCCESS) {
+ if (ret == LDB_ERR_NO_SUCH_ATTRIBUTE && !bl->active) {
+ /* we allow LDB_ERR_NO_SUCH_ATTRIBUTE as success to
+ cope with possible corruption where the backlink has
+ already been removed */
+ DEBUG(0,("WARNING: backlink from %s already removed from %s - %s\n",
+ ldb_dn_get_linearized(target_dn),
+ ldb_dn_get_linearized(source_dn),
+ ldb_errstring(ldb)));
+ ret = LDB_SUCCESS;
+ } else if (ret != LDB_SUCCESS) {
ldb_asprintf_errstring(ldb, "Failed to %s backlink from %s to %s - %s",
bl->active?"add":"remove",
ldb_dn_get_linearized(source_dn),