From: Timo Sirainen <timo.sirainen@open-xchange.com>
Date: Thu, 5 May 2022 17:30:28 +0000 (+0300)
Subject: lib-auth: auth_proxy_parse_redirect() - Return failure if host is empty
X-Git-Tag: 2.4.0~4051
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=08ae7e4dc401d459e980ef9950394bbfc8a404f3;p=thirdparty%2Fdovecot%2Fcore.git

lib-auth: auth_proxy_parse_redirect() - Return failure if host is empty
---

diff --git a/src/lib-auth/auth-proxy.c b/src/lib-auth/auth-proxy.c
index a06e68dbd8..751b48018a 100644
--- a/src/lib-auth/auth-proxy.c
+++ b/src/lib-auth/auth-proxy.c
@@ -91,5 +91,7 @@ bool auth_proxy_parse_redirect(const char *target, const char **destuser_r,
 	}
 	if (net_str2hostport(target, 0, host_r, port_r) < 0)
 		return FALSE;
+	if ((*host_r)[0] == '\0')
+		return FALSE;
 	return TRUE;
 }