From: Dovecot Maintainers <dovecot@packages.debian.org>
Date: Wed, 18 Jun 2025 14:01:58 +0000 (-0400)
Subject: Fix GSSAPI regression
X-Git-Tag: archive/raspbian/1%2.4.1+dfsg1-6+rpi1^2~3
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=024c7f51873f52f48e367c145d9169509ceb08e6;p=dovecot.git

Fix GSSAPI regression

Origin: https://dovecot.org/mailman3/archives/list/dovecot@dovecot.org/message/O54EAGLIXXHMOH7BQCCKHHB3Z32HDWVR/
Bug-Debian: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1104549
Last-Update: 2025-05-02

Dovecot 2.4 introduced a regression that broke GSSAPI authentication for
some clients.  This patch contains a fix provided by the upstream maintainers.
Last-Update: 2025-05-02
Gbp-Pq: Name bug1104549-gssapi-regression.patch
---

diff --git a/src/auth/mech-gssapi.c b/src/auth/mech-gssapi.c
index 57a2b12..4ff5716 100644
--- a/src/auth/mech-gssapi.c
+++ b/src/auth/mech-gssapi.c
@@ -672,7 +672,7 @@ mech_gssapi_auth_initial(struct auth_request *request,
 
 	if (data_size == 0) {
 		/* The client should go first */
-		auth_request_handler_reply_continue(request, NULL, 0);
+		auth_request_handler_reply_continue(request, uchar_empty_ptr, 0);
 	} else {
 		mech_gssapi_auth_continue(request, data, data_size);
 	}