From: Timo Sirainen <timo.sirainen@dovecot.fi>
Date: Thu, 19 Oct 2017 12:39:28 +0000 (+0300)
Subject: auth: Fix %{ldap_dn} not to leak memory
X-Git-Tag: 2.3.0.rc1~813
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=a8adad33c80f82beb3c3529065a3d2b936cfd2fc;p=thirdparty%2Fdovecot%2Fcore.git

auth: Fix %{ldap_dn} not to leak memory
---

diff --git a/src/auth/db-ldap.c b/src/auth/db-ldap.c
index c03fecaf4b..734fa81410 100644
--- a/src/auth/db-ldap.c
+++ b/src/auth/db-ldap.c
@@ -1679,7 +1679,9 @@ db_ldap_field_dn_expand(const char *data ATTR_UNUSED, void *context ATTR_UNUSED,
 			 const char **value_r, const char **error_r ATTR_UNUSED)
 {
 	struct db_ldap_result_iterate_context *ctx = context;
-	*value_r = ldap_get_dn(ctx->ld, ctx->ldap_msg);
+	char *dn = ldap_get_dn(ctx->ld, ctx->ldap_msg);
+	*value_r = t_strdup(dn);
+	ldap_memfree(dn);
 	return 1;
 }