Set length of MPPE send/recv key.

diff --git a/usr.sbin/radiusd/radiusd_file.c b/usr.sbin/radiusd/radiusd_file.c
index 562c0da..1f6e468 100644 (file)
--- a/usr.sbin/radiusd/radiusd_file.c
+++ b/usr.sbin/radiusd/radiusd_file.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: radiusd_file.c,v 1.1 2024/07/14 13:44:30 yasuoka Exp $        */
+/*     $OpenBSD: radiusd_file.c,v 1.2 2024/07/14 15:13:41 yasuoka Exp $        */
 
 /*
  * Copyright (c) 2024 YASUOKA Masahiko <yasuoka@yasuoka.net>
@@ -560,6 +560,7 @@ auth_mschapv2(struct module_file *self, u_int q_id, RADIUS_PACKET *radpkt,
                memset(&rcvkey, 0, sizeof(rcvkey));
                arc4random_buf(rcvkey.salt, sizeof(rcvkey.salt));
                rcvkey.salt[0] |= 0x80;
+               rcvkey.len = 16;
                mschap_asymetric_startkey(master, rcvkey.key, 16, 0, 1);
                radius_put_vs_raw_attr(respkt, RADIUS_VENDOR_MICROSOFT,
                    RADIUS_VTYPE_MPPE_RECV_KEY, &rcvkey, sizeof(rcvkey));
@@ -568,6 +569,7 @@ auth_mschapv2(struct module_file *self, u_int q_id, RADIUS_PACKET *radpkt,
                memset(&sndkey, 0, sizeof(sndkey));
                arc4random_buf(sndkey.salt, sizeof(sndkey.salt));
                sndkey.salt[0] |= 0x80;
+               sndkey.len = 16;
                mschap_asymetric_startkey(master, sndkey.key, 16, 1, 1);
                radius_put_vs_raw_attr(respkt, RADIUS_VENDOR_MICROSOFT,
                    RADIUS_VTYPE_MPPE_SEND_KEY, &sndkey, sizeof(sndkey));