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authorStefan Metzmacher <metze@samba.org>2010-11-03 12:33:54 +0100
committerStefan Metzmacher <metze@samba.org>2010-11-04 17:13:02 +0100
commit60691c13224656e6a889eb01246582f10c056b7b (patch)
treede3d78f3688904bb41b74be5dc73aefe7fce0aa3
parenta94fbb9ed592103b55d803497f6fc483e828dc1f (diff)
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s4:dsdb/samdb: optimize samldb_prim_group_change()
We should only do searches when we have to. metze
-rw-r--r--source4/dsdb/samdb/ldb_modules/samldb.c120
1 files changed, 60 insertions, 60 deletions
diff --git a/source4/dsdb/samdb/ldb_modules/samldb.c b/source4/dsdb/samdb/ldb_modules/samldb.c
index be8eb1abfc..ee43d84398 100644
--- a/source4/dsdb/samdb/ldb_modules/samldb.c
+++ b/source4/dsdb/samdb/ldb_modules/samldb.c
@@ -1004,8 +1004,8 @@ static int samldb_prim_group_change(struct samldb_ctx *ac)
struct ldb_result *res;
struct ldb_message_element *el;
struct ldb_message *msg;
- uint32_t rid;
- struct dom_sid *sid;
+ uint32_t prev_rid, new_rid;
+ struct dom_sid *prev_sid, *new_sid;
struct ldb_dn *prev_prim_group_dn, *new_prim_group_dn;
int ret;
@@ -1028,22 +1028,17 @@ static int samldb_prim_group_change(struct samldb_ctx *ac)
/* Finds out the DN of the old primary group */
- rid = ldb_msg_find_attr_as_uint(res->msgs[0], "primaryGroupID", (uint32_t) -1);
- if (rid == (uint32_t) -1) {
+ prev_rid = ldb_msg_find_attr_as_uint(res->msgs[0], "primaryGroupID",
+ (uint32_t) -1);
+ if (prev_rid == (uint32_t) -1) {
/* User objects do always have a mandatory "primaryGroupID"
* attribute. If this doesn't exist then the object is of the
* wrong type. This is the exact Windows error code */
return LDB_ERR_OBJECT_CLASS_VIOLATION;
}
- sid = dom_sid_add_rid(ac, samdb_domain_sid(ldb), rid);
- if (sid == NULL) {
- return ldb_operr(ldb);
- }
-
- prev_prim_group_dn = samdb_search_dn(ldb, ac, NULL, "(objectSid=%s)",
- ldap_encode_ndr_dom_sid(ac, sid));
- if (prev_prim_group_dn == NULL) {
+ prev_sid = dom_sid_add_rid(ac, samdb_domain_sid(ldb), prev_rid);
+ if (prev_sid == NULL) {
return ldb_operr(ldb);
}
@@ -1059,76 +1054,81 @@ static int samldb_prim_group_change(struct samldb_ctx *ac)
if (ret != LDB_SUCCESS) {
return ret;
}
- rid = ldb_msg_find_attr_as_uint(msg, "primaryGroupID", (uint32_t) -1);
+ new_rid = ldb_msg_find_attr_as_uint(msg, "primaryGroupID", (uint32_t) -1);
talloc_free(msg);
- if (rid == (uint32_t) -1) {
+ if (new_rid == (uint32_t) -1) {
/* we aren't affected of any primary group change */
return LDB_SUCCESS;
}
- sid = dom_sid_add_rid(ac, samdb_domain_sid(ldb), rid);
- if (sid == NULL) {
+ if (prev_rid == new_rid) {
+ return LDB_SUCCESS;
+ }
+
+ prev_prim_group_dn = samdb_search_dn(ldb, ac, NULL, "(objectSid=%s)",
+ ldap_encode_ndr_dom_sid(ac, prev_sid));
+ if (prev_prim_group_dn == NULL) {
+ return ldb_operr(ldb);
+ }
+
+ new_sid = dom_sid_add_rid(ac, samdb_domain_sid(ldb), new_rid);
+ if (new_sid == NULL) {
return ldb_operr(ldb);
}
new_prim_group_dn = samdb_search_dn(ldb, ac, NULL, "(objectSid=%s)",
- ldap_encode_ndr_dom_sid(ac, sid));
+ ldap_encode_ndr_dom_sid(ac, new_sid));
if (new_prim_group_dn == NULL) {
/* Here we know if the specified new primary group candidate is
* valid or not. */
return LDB_ERR_UNWILLING_TO_PERFORM;
}
- /* Only update the "member" attributes when we really do have a change */
- if (ldb_dn_compare(new_prim_group_dn, prev_prim_group_dn) != 0) {
- /* We need to be already a normal member of the new primary
- * group in order to be successful. */
- el = samdb_find_attribute(ldb, res->msgs[0], "memberOf",
- ldb_dn_get_linearized(new_prim_group_dn));
- if (el == NULL) {
- return LDB_ERR_UNWILLING_TO_PERFORM;
- }
-
- /* Remove the "member" attribute on the new primary group */
- msg = ldb_msg_new(ac->msg);
- if (msg == NULL) {
- return ldb_module_oom(ac->module);
- }
- msg->dn = new_prim_group_dn;
+ /* We need to be already a normal member of the new primary
+ * group in order to be successful. */
+ el = samdb_find_attribute(ldb, res->msgs[0], "memberOf",
+ ldb_dn_get_linearized(new_prim_group_dn));
+ if (el == NULL) {
+ return LDB_ERR_UNWILLING_TO_PERFORM;
+ }
- ret = samdb_msg_add_delval(ldb, msg, msg, "member",
- ldb_dn_get_linearized(ac->msg->dn));
- if (ret != LDB_SUCCESS) {
- return ret;
- }
+ /* Remove the "member" attribute on the new primary group */
+ msg = ldb_msg_new(ac->msg);
+ if (msg == NULL) {
+ return ldb_module_oom(ac->module);
+ }
+ msg->dn = new_prim_group_dn;
- ret = dsdb_module_modify(ac->module, msg, DSDB_FLAG_NEXT_MODULE);
- if (ret != LDB_SUCCESS) {
- return ret;
- }
- talloc_free(msg);
+ ret = samdb_msg_add_delval(ldb, msg, msg, "member",
+ ldb_dn_get_linearized(ac->msg->dn));
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
- /* Add a "member" attribute for the previous primary group */
- msg = ldb_msg_new(ac->msg);
- if (msg == NULL) {
- return ldb_module_oom(ac->module);
- }
- msg->dn = prev_prim_group_dn;
+ ret = dsdb_module_modify(ac->module, msg, DSDB_FLAG_NEXT_MODULE);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ talloc_free(msg);
- ret = samdb_msg_add_addval(ldb, msg, msg, "member",
- ldb_dn_get_linearized(ac->msg->dn));
- if (ret != LDB_SUCCESS) {
- return ret;
- }
+ /* Add a "member" attribute for the previous primary group */
+ msg = ldb_msg_new(ac->msg);
+ if (msg == NULL) {
+ return ldb_module_oom(ac->module);
+ }
+ msg->dn = prev_prim_group_dn;
- ret = dsdb_module_modify(ac->module, msg, DSDB_FLAG_NEXT_MODULE);
- if (ret != LDB_SUCCESS) {
- return ret;
- }
- talloc_free(msg);
+ ret = samdb_msg_add_addval(ldb, msg, msg, "member",
+ ldb_dn_get_linearized(ac->msg->dn));
+ if (ret != LDB_SUCCESS) {
+ return ret;
}
- talloc_free(res);
+ ret = dsdb_module_modify(ac->module, msg, DSDB_FLAG_NEXT_MODULE);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ talloc_free(msg);
return LDB_SUCCESS;
}