CACHE_REQ_RESULT: Introduce cache_req_create_ldb_result_from_msg_list()

Similarly to what cache_req_create_ldb_result_from_msg() does this new
function creates a new ldb_result from a list of ldb_message.

It's going to be used in the follow-up patch where some messages from
ldb_result may be filtered and then a new ldb_result has to be created.

Related:
https://pagure.io/SSSD/sssd/issue/3362

Signed-off-by: Fabiano Fidêncio <fidencio@redhat.com>

Reviewed-by: Pavel Březina <pbrezina@redhat.com>

2 files changed, 40 insertions, 0 deletions

diff --git a/src/responder/common/cache_req/cache_req_private.h b/src/responder/common/cache_req/cache_req_private.h
index 851005c38..c0ee5f969 100644
--- a/src/responder/common/cache_req/cache_req_private.h
+++ b/src/responder/common/cache_req/cache_req_private.h
@@ -137,6 +137,11 @@ cache_req_create_and_add_result(TALLOC_CTX *mem_ctx,
                                 size_t *_num_results);
 
 struct ldb_result *
+cache_req_create_ldb_result_from_msg_list(TALLOC_CTX *mem_ctx,
+                                          struct ldb_message **ldb_msgs,
+                                          size_t ldb_msg_count);
+
+struct ldb_result *
 cache_req_create_ldb_result_from_msg(TALLOC_CTX *mem_ctx,
                                      struct ldb_message *ldb_msg);
 
diff --git a/src/responder/common/cache_req/cache_req_result.c b/src/responder/common/cache_req/cache_req_result.c
index e20ae5653..366ba7480 100644
--- a/src/responder/common/cache_req/cache_req_result.c
+++ b/src/responder/common/cache_req/cache_req_result.c
@@ -122,6 +122,41 @@ cache_req_create_and_add_result(TALLOC_CTX *mem_ctx,
 }
 
 struct ldb_result *
+cache_req_create_ldb_result_from_msg_list(TALLOC_CTX *mem_ctx,
+                                          struct ldb_message **ldb_msgs,
+                                          size_t ldb_msg_count)
+{
+    struct ldb_result *ldb_result;
+
+    if (ldb_msgs == NULL || ldb_msgs[0] == NULL) {
+        DEBUG(SSSDBG_CRIT_FAILURE, "No message set!\n");
+        return NULL;
+    }
+
+    ldb_result = talloc_zero(NULL, struct ldb_result);
+    if (ldb_result == NULL) {
+        return NULL;
+    }
+
+    ldb_result->extended = NULL;
+    ldb_result->controls = NULL;
+    ldb_result->refs = NULL;
+    ldb_result->count = ldb_msg_count;
+    ldb_result->msgs = talloc_zero_array(ldb_result, struct ldb_message *,
+                                         ldb_msg_count + 1);
+    if (ldb_result->msgs == NULL) {
+        talloc_free(ldb_result);
+        return NULL;
+    }
+
+    for (size_t i = 0; i < ldb_msg_count; i++) {
+        ldb_result->msgs[i] = talloc_steal(ldb_result->msgs, ldb_msgs[i]);
+    }
+
+    return ldb_result;
+}
+
+struct ldb_result *
 cache_req_create_ldb_result_from_msg(TALLOC_CTX *mem_ctx,
                                      struct ldb_message *ldb_msg)
 {