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-rw-r--r--source4/lib/registry/ldb.c143
1 files changed, 116 insertions, 27 deletions
diff --git a/source4/lib/registry/ldb.c b/source4/lib/registry/ldb.c
index 0c8a55396e..31b78d8246 100644
--- a/source4/lib/registry/ldb.c
+++ b/source4/lib/registry/ldb.c
@@ -440,33 +440,6 @@ static WERROR ldb_add_key(TALLOC_CTX *mem_ctx, const struct hive_key *parent,
return WERR_OK;
}
-static WERROR ldb_del_key(const struct hive_key *key, const char *name)
-{
- int ret;
- struct ldb_key_data *parentkd = talloc_get_type(key, struct ldb_key_data);
- struct ldb_dn *ldap_path;
- TALLOC_CTX *mem_ctx = talloc_init("ldb_del_key");
-
- ldap_path = reg_path_to_ldb(mem_ctx, key, name, NULL);
-
- ret = ldb_delete(parentkd->ldb, ldap_path);
-
- talloc_free(mem_ctx);
-
- if (ret == LDB_ERR_NO_SUCH_OBJECT) {
- return WERR_BADFILE;
- } else if (ret != LDB_SUCCESS) {
- DEBUG(1, ("ldb_del_key: %s\n", ldb_errstring(parentkd->ldb)));
- return WERR_FOOBAR;
- }
-
- /* reset cache */
- talloc_free(parentkd->subkeys);
- parentkd->subkeys = NULL;
-
- return WERR_OK;
-}
-
static WERROR ldb_del_value (struct hive_key *key, const char *child)
{
int ret;
@@ -499,6 +472,122 @@ static WERROR ldb_del_value (struct hive_key *key, const char *child)
return WERR_OK;
}
+static WERROR ldb_del_key(const struct hive_key *key, const char *name)
+{
+ int i, ret;
+ struct ldb_key_data *parentkd = talloc_get_type(key, struct ldb_key_data);
+ struct ldb_dn *ldap_path;
+ TALLOC_CTX *mem_ctx = talloc_init("ldb_del_key");
+ struct ldb_context *c = parentkd->ldb;
+ struct ldb_result *res_keys;
+ struct ldb_result *res_vals;
+ WERROR werr;
+ struct hive_key *hk;
+
+ /* Verify key exists by opening it */
+ werr = ldb_open_key(mem_ctx, key, name, &hk);
+ if (!W_ERROR_IS_OK(werr)) {
+ talloc_free(mem_ctx);
+ return werr;
+ }
+
+ ldap_path = reg_path_to_ldb(mem_ctx, key, name, NULL);
+ if (!ldap_path) {
+ talloc_free(mem_ctx);
+ return WERR_FOOBAR;
+ }
+
+ /* Search for subkeys */
+ ret = ldb_search(c, ldap_path, LDB_SCOPE_ONELEVEL,
+ "(key=*)", NULL, &res_keys);
+
+ if (ret != LDB_SUCCESS) {
+ DEBUG(0, ("Error getting subkeys for '%s': %s\n",
+ ldb_dn_get_linearized(ldap_path), ldb_errstring(c)));
+ talloc_free(mem_ctx);
+ return WERR_FOOBAR;
+ }
+
+ /* Search for values */
+ ret = ldb_search(c, ldap_path, LDB_SCOPE_ONELEVEL,
+ "(value=*)", NULL, &res_vals);
+
+ if (ret != LDB_SUCCESS) {
+ DEBUG(0, ("Error getting values for '%s': %s\n",
+ ldb_dn_get_linearized(ldap_path), ldb_errstring(c)));
+ talloc_free(mem_ctx);
+ return WERR_FOOBAR;
+ }
+
+ /* Start an explicit transaction */
+ ret = ldb_transaction_start(c);
+
+ if (ret != LDB_SUCCESS) {
+ DEBUG(0, ("ldb_transaction_start: %s\n", ldb_errstring(c)));
+ talloc_free(mem_ctx);
+ return WERR_FOOBAR;
+ }
+
+ if (res_keys->count || res_vals->count)
+ {
+ /* Delete any subkeys */
+ for (i = 0; i < res_keys->count; i++)
+ {
+ werr = ldb_del_key(hk, ldb_msg_find_attr_as_string(
+ res_keys->msgs[i],
+ "key", NULL));
+ if (!W_ERROR_IS_OK(werr)) {
+ ret = ldb_transaction_cancel(c);
+ talloc_free(mem_ctx);
+ return werr;
+ }
+ }
+
+ /* Delete any values */
+ for (i = 0; i < res_vals->count; i++)
+ {
+ werr = ldb_del_value(hk, ldb_msg_find_attr_as_string(
+ res_vals->msgs[i],
+ "value", NULL));
+ if (!W_ERROR_IS_OK(werr)) {
+ ret = ldb_transaction_cancel(c);
+ talloc_free(mem_ctx);
+ return werr;
+ }
+ }
+ }
+
+ /* Delete the key itself */
+ ret = ldb_delete(c, ldap_path);
+
+ if (ret != LDB_SUCCESS)
+ {
+ DEBUG(1, ("ldb_del_key: %s\n", ldb_errstring(c)));
+ ret = ldb_transaction_cancel(c);
+ talloc_free(mem_ctx);
+ return WERR_FOOBAR;
+ }
+
+ /* Commit the transaction */
+ ret = ldb_transaction_commit(c);
+
+ if (ret != LDB_SUCCESS)
+ {
+ DEBUG(0, ("ldb_transaction_commit: %s\n", ldb_errstring(c)));
+ ret = ldb_transaction_cancel(c);
+ talloc_free(mem_ctx);
+ return WERR_FOOBAR;
+ }
+
+ talloc_free(mem_ctx);
+
+ /* reset cache */
+ talloc_free(parentkd->subkeys);
+ parentkd->subkeys = NULL;
+
+ return WERR_OK;
+}
+
static WERROR ldb_set_value(struct hive_key *parent,
const char *name, uint32_t type,
const DATA_BLOB data)