From: Timo Sirainen <timo.sirainen@open-xchange.com>
Date: Wed, 22 Oct 2025 12:33:59 +0000 (+0300)
Subject: auth: ldap - Make sure ldap log prefix doesn't contain (null)
X-Git-Tag: 2.4.2~20
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=23427b6440550ca7e01f2c3ac8821350280d30d6;p=thirdparty%2Fdovecot%2Fcore.git

auth: ldap - Make sure ldap log prefix doesn't contain (null)

This could have happened with invalid ldap_uris.
---

diff --git a/src/auth/db-ldap.c b/src/auth/db-ldap.c
index 9e0bc14d1d..e71f115e18 100644
--- a/src/auth/db-ldap.c
+++ b/src/auth/db-ldap.c
@@ -781,7 +781,9 @@ db_ldap_add_connection_callback(LDAP *ld ATTR_UNUSED, Sockbuf *sb ATTR_UNUSED,
 {
 	struct ldap_connection *conn = ctx->lc_arg;
 	const char *prefix = t_strdup_printf("ldap(%s://%s:%d): ",
-		srv->lud_scheme, srv->lud_host, srv->lud_port);
+		srv->lud_scheme != NULL ? srv->lud_scheme : "",
+		srv->lud_host != NULL ? srv->lud_host : "",
+		srv->lud_port);
 
 	if (strcmp(conn->log_prefix, prefix) != 0) {
 		i_free(conn->log_prefix);