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-rw-r--r--source4/lib/registry/ldb.c31
1 files changed, 29 insertions, 2 deletions
diff --git a/source4/lib/registry/ldb.c b/source4/lib/registry/ldb.c
index f3c6613383..02bfa46c8c 100644
--- a/source4/lib/registry/ldb.c
+++ b/source4/lib/registry/ldb.c
@@ -508,8 +508,10 @@ static WERROR ldb_get_default_value(TALLOC_CTX *mem_ctx,
if (res->count == 0 || res->msgs[0]->num_elements == 0)
return WERR_BADFILE;
- reg_ldb_unpack_value(mem_ctx,
- res->msgs[0], name, data_type, data);
+ if ((data_type != NULL) && (data != NULL)) {
+ reg_ldb_unpack_value(mem_ctx, res->msgs[0], name, data_type,
+ data);
+ }
talloc_free(res);
@@ -955,6 +957,9 @@ static WERROR ldb_get_key_info(TALLOC_CTX *mem_ctx,
uint32_t *max_valbufsize)
{
struct ldb_key_data *kd = talloc_get_type(key, struct ldb_key_data);
+ uint32_t default_value_type = REG_NONE;
+ DATA_BLOB default_value = { NULL, 0 };
+ WERROR werr;
/* Initialization */
if (classname != NULL)
@@ -972,6 +977,16 @@ static WERROR ldb_get_key_info(TALLOC_CTX *mem_ctx,
if (max_valbufsize != NULL)
*max_valbufsize = 0;
+ /* We need this to get the default value (if it exists) for counting
+ * the values under the key and for finding out the longest value buffer
+ * size. If no default value exists the DATA_BLOB "default_value" will
+ * remain { NULL, 0 }. */
+ werr = ldb_get_default_value(mem_ctx, key, NULL, &default_value_type,
+ &default_value);
+ if ((!W_ERROR_IS_OK(werr)) && (!W_ERROR_EQUAL(werr, WERR_BADFILE))) {
+ return werr;
+ }
+
if (kd->subkeys == NULL) {
W_ERROR_NOT_OK_RETURN(cache_subkeys(kd));
}
@@ -985,6 +1000,10 @@ static WERROR ldb_get_key_info(TALLOC_CTX *mem_ctx,
}
if (num_values != NULL) {
*num_values = kd->value_count;
+ /* also consider the default value if it exists */
+ if (default_value.data != NULL) {
+ ++(*num_values);
+ }
}
@@ -1006,6 +1025,12 @@ static WERROR ldb_get_key_info(TALLOC_CTX *mem_ctx,
struct ldb_message_element *el;
W_ERROR_NOT_OK_RETURN(cache_values(kd));
+ /* also consider the default value if it exists */
+ if ((max_valbufsize != NULL) && (default_value.data != NULL)) {
+ *max_valbufsize = MAX(*max_valbufsize,
+ default_value.length);
+ }
+
for (i = 0; i < kd->value_count; i++) {
if (max_valnamelen != NULL) {
el = ldb_msg_find_element(kd->values[i], "value");
@@ -1029,6 +1054,8 @@ static WERROR ldb_get_key_info(TALLOC_CTX *mem_ctx,
}
}
+ talloc_free(default_value.data);
+
return WERR_OK;
}