stats: Improved logging on invalid CONNECT input.

diff --git a/src/stats/mail-session.c b/src/stats/mail-session.c
index 8d2063793946f152e2cb543bd4cc8eec083a9d02..947e23f7f8420ce14891503e0df7f1d1dd713503 100644 (file)
--- a/src/stats/mail-session.c
+++ b/src/stats/mail-session.c
@@ -84,13 +84,16 @@ int mail_session_connect_parse(const char *const *args, const char **error_r)
        }
        session_id = args[0];
        if (str_to_pid(args[3], &pid) < 0) {
-               *error_r = "CONNECT: Invalid pid";
+               *error_r = t_strdup_printf("CONNECT: Invalid pid %s for session ID %s",
+                                          args[3], session_id);
                return -1;
        }
 
        session = hash_table_lookup(mail_sessions_hash, session_id);
        if (session != NULL) {
-               *error_r = "CONNECT: Duplicate session ID";
+               *error_r = t_strdup_printf(
+                       "CONNECT: Duplicate session ID %s for user %s service %s",
+                       session_id, args[1], args[2]);
                return -1;
        }
        session = i_malloc(sizeof(struct mail_session) + stats_alloc_size());