auth: Fix unescaping tabs in auth client input.

This mainly broke forward_fields when there was more than one of them.

diff --git a/src/auth/auth-request-handler.c b/src/auth/auth-request-handler.c
index 68becc2835ec441d3920cea58ebbc49ebdc87c41..83bf56e4545a887dec6b11b48106d5f2e3784001 100644 (file)
--- a/src/auth/auth-request-handler.c
+++ b/src/auth/auth-request-handler.c
@@ -465,7 +465,7 @@ bool auth_request_handler_auth_begin(struct auth_request_handler *handler,
        i_assert(!handler->destroyed);
 
        /* <id> <mechanism> [...] */
-       list = t_strsplit_tab(args);
+       list = t_strsplit_tabescaped(args);
        if (list[0] == NULL || list[1] == NULL ||
            str_to_uint(list[0], &id) < 0) {
                i_error("BUG: Authentication client %u "