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From e5d428297d70e3ac8b6dfce7e0de182b86825082 Mon Sep 17 00:00:00 2001
From: Aki Tuomi <aki.tuomi@open-xchange.com>
Date: Wed, 16 Jan 2019 18:28:57 +0200
Subject: [PATCH] auth: Do not import empty certificate username
---
src/auth/auth-request.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/auth/auth-request.c b/src/auth/auth-request.c
index dd288b6d23..1cb665ec8c 100644
--- a/src/auth/auth-request.c
+++ b/src/auth/auth-request.c
@@ -445,7 +445,7 @@ bool auth_request_import_auth(struct auth_request *request,
else if (strcmp(key, "valid-client-cert") == 0)
request->valid_client_cert = TRUE;
else if (strcmp(key, "cert_username") == 0) {
- if (request->set->ssl_username_from_cert) {
+ if (request->set->ssl_username_from_cert && *value != '\0') {
/* get username from SSL certificate. it overrides
the username given by the auth mechanism. */
request->user = p_strdup(request->pool, value);