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- Renegotiate MRU - Yuri

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- Take LCP ConfigReq length from the packet length field - Yuri
This commit is contained in:
fred_nerk 2004-09-23 04:01:36 +00:00
parent bf78c77b22
commit dedb360c1a
2 changed files with 9 additions and 4 deletions
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9
ppp.c
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@ -1,6 +1,6 @@
// L2TPNS PPP Stuff
char const *cvs_id_ppp = "$Id: ppp.c,v 1.15 2004/09/19 23:19:23 fred_nerk Exp $";
char const *cvs_id_ppp = "$Id: ppp.c,v 1.16 2004/09/23 04:01:36 fred_nerk Exp $";
#include <stdio.h>
#include <string.h>
@ -328,6 +328,7 @@ void processlcp(tunnelidt t, sessionidt s, u8 * p, u16 l)
}
else if (*p == ConfigReq)
{
l = ntohs(*(u16 *)(p + 2));
signed int x = l - 4;
u8 *o = (p + 4);
@ -411,8 +412,8 @@ void processlcp(tunnelidt t, sessionidt s, u8 * p, u16 l)
{
// Send back a ConfigAck
log(3, session[s].ip, s, t, "ConfigReq accepted, sending as Ack\n");
// for win2k L2TP clientis and LCP renegotiation of alive session
if (magicno || l == 4) initlcp(t, s);
// for win2k L2TP clients and LCP renegotiation of alive session
if (magicno || l == 4 || (session[s].mru && l == 8)) initlcp(t, s);
q = makeppp(b, sizeof(b), p, l, t, s, PPPLCP);
if (!q)
{
@ -821,7 +822,7 @@ u8 *makeppp(u8 * b, int size, u8 * p, int l, tunnelidt t, sessionidt s, u16 mtyp
*(u16 *) (b + 2) = htons(tunnel[t].far); // tunnel
*(u16 *) (b + 4) = htons(session[s].far); // session
b += 6;
if (mtype && !(session[s].l2tp_flags & SESSIONACFC))
if (mtype == PPPLCP || !(session[s].l2tp_flags & SESSIONACFC))
{
*(u16 *) b = htons(0xFF03); // HDLC header
b += 2;