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authorAndrew Bartlett <abartlet@samba.org>2008-10-23 12:50:22 +1100
committerAndrew Bartlett <abartlet@samba.org>2008-10-23 12:50:22 +1100
commite79835b096c716124ac5d6e78610e5a76172e649 (patch)
treee16300f78a6adbed1dfca4928399ad9771974a30 /source4
parent0f898718372d2a6c4d650c40562ac8fd117f1fab (diff)
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Clarify the linked attribute module behaviour with comments
Diffstat (limited to 'source4')
-rw-r--r--source4/dsdb/samdb/ldb_modules/linked_attributes.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/source4/dsdb/samdb/ldb_modules/linked_attributes.c b/source4/dsdb/samdb/ldb_modules/linked_attributes.c
index 14fd107d81..190a66cdb3 100644
--- a/source4/dsdb/samdb/ldb_modules/linked_attributes.c
+++ b/source4/dsdb/samdb/ldb_modules/linked_attributes.c
@@ -466,6 +466,9 @@ static int linked_attributes_modify(struct ldb_module *module, struct ldb_reques
}
}
} else {
+ /* Flag that there was a DELETE
+ * without a value specified, so we
+ * need to look for the old value */
store_el = true;
}
@@ -475,6 +478,7 @@ static int linked_attributes_modify(struct ldb_module *module, struct ldb_reques
if (store_el) {
struct ldb_message_element *search_el;
+ /* Fill out ac->rc only if we have to find the old values */
if (!ac->rc) {
ac->rc = talloc_zero(ac, struct replace_context);
if (!ac->rc) {
@@ -499,6 +503,9 @@ static int linked_attributes_modify(struct ldb_module *module, struct ldb_reques
/* both replace and delete without values are handled in the callback
* after the search on the entry to be modified is performed */
+
+ /* Only bother doing a search of this entry (to find old
+ * values) if replace or delete operations are attempted */
if (ac->rc) {
const char **attrs;
@@ -527,9 +534,10 @@ static int linked_attributes_modify(struct ldb_module *module, struct ldb_reques
ret = ldb_next_request(module, search_req);
}
+
} else {
if (ac->ops) {
- /* start the mod requests chain */
+ /* Jump directly to handling the modifies */
ret = la_do_mod_request(ac);
} else {
/* nothing to do for this module, proceed */