diff options
| -rw-r--r-- | source4/dsdb/samdb/ldb_modules/repl_meta_data.c | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/source4/dsdb/samdb/ldb_modules/repl_meta_data.c b/source4/dsdb/samdb/ldb_modules/repl_meta_data.c index b9323b912b..f9411fe95f 100644 --- a/source4/dsdb/samdb/ldb_modules/repl_meta_data.c +++ b/source4/dsdb/samdb/ldb_modules/repl_meta_data.c @@ -932,6 +932,102 @@ static int replmd_modify(struct ldb_module *module, struct ldb_request *req) return ldb_next_request(module, down_req); } + +/* + handle a rename request + + On a rename we need to do an extra ldb_modify which sets the + whenChanged and uSNChanged attributes + */ +static int replmd_rename(struct ldb_module *module, struct ldb_request *req) +{ + struct ldb_context *ldb; + int ret, i; + time_t t = time(NULL); + uint64_t seq_num = 0; + struct ldb_message *msg; + struct replmd_private *replmd_private = + talloc_get_type(ldb_module_get_private(module), struct replmd_private); + + /* do not manipulate our control entries */ + if (ldb_dn_is_special(req->op.mod.message->dn)) { + return ldb_next_request(module, req); + } + + ldb = ldb_module_get_ctx(module); + + ldb_debug(ldb, LDB_DEBUG_TRACE, "replmd_rename\n"); + + /* Get a sequence number from the backend */ + ret = ldb_sequence_number(ldb, LDB_SEQ_NEXT, &seq_num); + if (ret != LDB_SUCCESS) { + return ret; + } + + msg = ldb_msg_new(req); + if (msg == NULL) { + ldb_oom(ldb); + return LDB_ERR_OPERATIONS_ERROR; + } + + msg->dn = req->op.rename.olddn; + + if (add_time_element(msg, "whenChanged", t) != LDB_SUCCESS) { + talloc_free(msg); + return LDB_ERR_OPERATIONS_ERROR; + } + msg->elements[0].flags = LDB_FLAG_MOD_REPLACE; + + if (add_uint64_element(msg, "uSNChanged", seq_num) != LDB_SUCCESS) { + talloc_free(msg); + return LDB_ERR_OPERATIONS_ERROR; + } + msg->elements[1].flags = LDB_FLAG_MOD_REPLACE; + + ret = ldb_modify(ldb, msg); + talloc_free(msg); + if (ret != LDB_SUCCESS) { + return ret; + } + + ret = replmd_load_NCs(module); + if (ret != 0) { + return ret; + } + + /* now update the highest uSNs of the partitions that are + affected. Note that two partitions could be changing */ + for (i=0; i<replmd_private->num_ncs; i++) { + if (ldb_dn_compare_base(replmd_private->ncs[i].dn, + req->op.rename.olddn) == 0) { + break; + } + } + if (i == replmd_private->num_ncs) { + DEBUG(0,(__location__ ": rename olddn outside tree? %s\n", + ldb_dn_get_linearized(req->op.rename.olddn))); + return LDB_ERR_OPERATIONS_ERROR; + } + replmd_private->ncs[i].mod_usn = seq_num; + + for (i=0; i<replmd_private->num_ncs; i++) { + if (ldb_dn_compare_base(replmd_private->ncs[i].dn, + req->op.rename.newdn) == 0) { + break; + } + } + if (i == replmd_private->num_ncs) { + DEBUG(0,(__location__ ": rename newdn outside tree? %s\n", + ldb_dn_get_linearized(req->op.rename.newdn))); + return LDB_ERR_OPERATIONS_ERROR; + } + replmd_private->ncs[i].mod_usn = seq_num; + + /* go on with the call chain */ + return ldb_next_request(module, req); +} + + static int replmd_replicated_request_error(struct replmd_replicated_request *ar, int ret) { return ret; @@ -2171,6 +2267,7 @@ _PUBLIC_ const struct ldb_module_ops ldb_repl_meta_data_module_ops = { .init_context = replmd_init, .add = replmd_add, .modify = replmd_modify, + .rename = replmd_rename, .extended = replmd_extended, .start_transaction = replmd_start_transaction, .prepare_commit = replmd_prepare_commit, |