in_forward: fixed incorrect shared key length in authentication (#9551)

--------- Signed-off-by: Leonardo Alminana <leonardo.alminana@chronosphere.io>
fluent · Nov 4, 2024 · e28f447 · e28f447
1 parent 652fa29
commit e28f447
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/plugins/in_forward/fw_prot.c b/plugins/in_forward/fw_prot.c
@@ -495,6 +495,10 @@ static int user_authentication(struct flb_input_instance *ins,
             continue;
         }
 
+        if (password_digest_len != 128) {
+            continue;
+        }
+
         userauth_digest = flb_calloc(128, sizeof(char));
 
         if (flb_secure_forward_password_digest(ins, conn,
@@ -652,7 +656,7 @@ static int check_ping(struct flb_input_instance *ins,
         return -1;
     }
 
-    if (strncmp(serverside, shared_key_digest, shared_key_digest_len) != 0) {
+    if (strncmp(serverside, shared_key_digest, 128) != 0) {
         flb_plg_error(ins, "shared_key mismatch");
         flb_free(serverside);