welterde/l2tpns
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

ensure MRU is sane

Browse source
This commit is contained in:
bodea 2005-11-17 05:24:17 +00:00
parent 728b8416cf
commit 4944040cdb
1 changed files with 13 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

15
ppp.c
View file

@ -1,6 +1,6 @@
// L2TPNS PPP Stuff
char const *cvs_id_ppp = "$Id: ppp.c,v 1.85 2005/11/04 14:41:50 bodea Exp $";
char const *cvs_id_ppp = "$Id: ppp.c,v 1.86 2005/11/17 05:24:17 bodea Exp $";
#include <stdio.h>
#include <string.h>
@ -575,7 +575,18 @@ void processlcp(sessionidt s, tunnelidt t, uint8_t *p, uint16_t l)
switch (type)
{
case 1: // Maximum-Receive-Unit
session[s].mru = ntohs(*(uint16_t *)(o + 2));
{
uint16_t mru = ntohs(*(uint16_t *)(o + 2));
if (mru >= 576)
{
session[s].mru = mru;
break;
}
LOG(3, s, t, " Remote requesting MRU of %u. Rejecting.\n", mru);
mru = htons(MRU);
q = ppp_conf_nak(s, b, sizeof(b), PPPLCP, &response, q, p, o, (uint8_t *) &mru, sizeof(mru));
}
break;
case 2: // Async-Control-Character-Map