From: Timo Sirainen <timo.sirainen@open-xchange.com>
Date: Wed, 22 Oct 2025 08:01:48 +0000 (+0300)
Subject: auth: Add assert to make sure NULL cache key isn't tried to be expanded
X-Git-Tag: 2.4.2~24
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=7cf4add532a449d9185c8e7f5dde1b4b22cf435c;p=thirdparty%2Fdovecot%2Fcore.git

auth: Add assert to make sure NULL cache key isn't tried to be expanded
---

diff --git a/src/auth/auth-cache.c b/src/auth/auth-cache.c
index 82cc0d526e..2f875ac45e 100644
--- a/src/auth/auth-cache.c
+++ b/src/auth/auth-cache.c
@@ -354,6 +354,8 @@ auth_request_expand_cache_key(const struct auth_request *request,
 	static bool error_logged = FALSE;
 	const char *error;
 
+	i_assert(key != NULL);
+
 	/* Uniquely identify the request's passdb/userdb with the P/U prefix
 	   and by "%{id}", which expands to the passdb/userdb ID number. */
 	key = t_strconcat(request->userdb_lookup ? "U" : "P", "%{id}",