auth: Don't crash if trying to add password with TAB or LF to auth cache.

This would happen only if the passwords were stored as plaintext in passdb
and the valid password actually contained TAB or LF.

diff --git a/src/auth/auth-request.c b/src/auth/auth-request.c
index 1406f5f8aa8ab1b115ede94afdbb78923431af18..36f9437f763e701f062933be393afce94328c813 100644 (file)
--- a/src/auth/auth-request.c
+++ b/src/auth/auth-request.c
@@ -457,11 +457,7 @@ static void auth_request_save_cache(struct auth_request *request,
                        str_append(str, passdb->default_pass_scheme);
                        str_append_c(str, '}');
                }
-               if (strchr(request->passdb_password, '\t') != NULL)
-                       i_panic("%s: Password contains TAB", request->user);
-               if (strchr(request->passdb_password, '\n') != NULL)
-                       i_panic("%s: Password contains LF", request->user);
-               str_append(str, request->passdb_password);
+               str_append_tabescaped(str, request->passdb_password);
        }
 
        if (!auth_fields_is_empty(request->extra_fields)) {