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don't shutdown on TerminateReq, wait for CDN

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Brendan O'Dea 2006-04-18 06:00:07 +00:00
parent 1b6a7a95e6
commit 7462628249
4 changed files with 91 additions and 20 deletions
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@ -1,3 +1,6 @@
* Tue Apr 18 2006 Brendan O'Dea <bod@optus.net> 2.1.18
- Don't shutdown on TerminateReq, wait for CDN.
* Thu Apr 13 2006 Brendan O'Dea <bod@optus.net> 2.1.17
- Fix IPCP length test to allow Terminate-Request (4 bytes).
- Send nsctl responses back using the correct source address (thanks ltd).

15
l2tpns.h
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@ -1,5 +1,5 @@
// L2TPNS Global Stuff
// $Id: l2tpns.h,v 1.112 2006-04-13 11:14:35 bodea Exp $
// $Id: l2tpns.h,v 1.113 2006-04-18 06:00:08 bodea Exp $
#ifndef __L2TPNS_H__
#define __L2TPNS_H__
@ -14,7 +14,7 @@
#include <sys/types.h>
#include <libcli.h>
#define VERSION "2.1.17"
#define VERSION "2.1.18"
// Limits
#define MAXTUNNEL 500 // could be up to 65535
@ -147,7 +147,16 @@ enum {
// reset state machine counters
#define initialise_restart_count(_s, _fsm) \
sess_local[_s]._fsm.conf_sent = sess_local[_s]._fsm.nak_sent = 0
sess_local[_s]._fsm.conf_sent = \
sess_local[_s]._fsm.nak_sent = 0
// no more attempts
#define zero_restart_count(_s, _fsm) ({ \
sess_local[_s]._fsm.conf_sent = \
config->ppp_max_configure; \
sess_local[_s]._fsm.restart = \
time_now + config->ppp_restart_time; \
})
// increment ConfReq counter and reset timer
#define restart_timer(_s, _fsm) ({ \

6
l2tpns.spec
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@ -1,6 +1,6 @@
Summary: A high-speed clustered L2TP LNS
Name: l2tpns
Version: 2.1.17
Version: 2.1.18
Release: 1
License: GPL
Group: System Environment/Daemons
@ -43,5 +43,5 @@ rm -rf %{buildroot}
%attr(644,root,root) /usr/share/man/man[58]/*
%changelog
* Thu Apr 13 2006 Brendan O'Dea <bod@optus.net> 2.1.17-1
- 2.1.17 release, see /usr/share/doc/l2tpns-2.1.17/Changes
* Tue Apr 18 2006 Brendan O'Dea <bod@optus.net> 2.1.18-1
- 2.1.18 release, see /usr/share/doc/l2tpns-2.1.18/Changes

85
ppp.c
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@ -1,6 +1,6 @@
// L2TPNS PPP Stuff
char const *cvs_id_ppp = "$Id: ppp.c,v 1.98 2006-04-13 11:14:35 bodea Exp $";
char const *cvs_id_ppp = "$Id: ppp.c,v 1.99 2006-04-18 06:00:08 bodea Exp $";
#include <stdio.h>
#include <string.h>
@ -870,7 +870,29 @@ void processlcp(sessionidt s, tunnelidt t, uint8_t *p, uint16_t l)
}
else if (*p == TerminateReq)
{
*p = TerminateAck; // close
switch (session[s].ppp.lcp)
{
case Closed:
case Stopped:
case Closing:
case Stopping:
case RequestSent:
case AckReceived:
case AckSent:
break;
case Opened:
lcp_restart(s);
zero_restart_count(s, lcp);
change_state(s, lcp, Closing);
break;
default:
LOG(2, s, t, "LCP: ignoring %s in state %s\n", ppp_code(*p), ppp_state(session[s].ppp.lcp));
return;
}
*p = TerminateAck; // send ack
q = makeppp(b, sizeof(b), p, l, s, t, PPPLCP);
if (!q) return;
@ -878,11 +900,6 @@ void processlcp(sessionidt s, tunnelidt t, uint8_t *p, uint16_t l)
if (config->debug > 3) dumplcp(q, l);
tunnelsend(b, l + (q - b), t); // send it
sessionshutdown(s, "Remote end closed connection.", CDN_ADMIN_DISC, TERM_USER_REQUEST);
}
else if (*p == TerminateAck)
{
sessionshutdown(s, "Connection closed.", CDN_ADMIN_DISC, TERM_NAS_REQUEST);
}
else if (*p == ProtocolRej)
{
@ -1153,12 +1170,33 @@ void processipcp(sessionidt s, tunnelidt t, uint8_t *p, uint16_t l)
}
else if (*p == TerminateReq)
{
*p = TerminateAck;
switch (session[s].ppp.ipcp)
{
case Closed:
case Stopped:
case Closing:
case Stopping:
case RequestSent:
case AckReceived:
case AckSent:
break;
case Opened:
zero_restart_count(s, ipcp);
change_state(s, ipcp, Closing);
break;
default:
LOG(2, s, t, "IPCP: ignoring %s in state %s\n", ppp_code(*p), ppp_state(session[s].ppp.ipcp));
return;
}
*p = TerminateAck; // send ack
q = makeppp(b, sizeof(b), p, l, s, t, PPPIPCP);
if (!q) return;
LOG(3, s, t, "IPCP: send %s\n", ppp_code(*q));
tunnelsend(b, l + (q - b), t);
change_state(s, ipcp, Stopped);
tunnelsend(b, l + (q - b), t); // send it
}
else if (*p != CodeRej)
{
@ -1353,12 +1391,33 @@ void processipv6cp(sessionidt s, tunnelidt t, uint8_t *p, uint16_t l)
}
else if (*p == TerminateReq)
{
*p = TerminateAck;
switch (session[s].ppp.ipv6cp)
{
case Closed:
case Stopped:
case Closing:
case Stopping:
case RequestSent:
case AckReceived:
case AckSent:
break;
case Opened:
zero_restart_count(s, ipv6cp);
change_state(s, ipv6cp, Closing);
break;
default:
LOG(2, s, t, "IPV6CP: ignoring %s in state %s\n", ppp_code(*p), ppp_state(session[s].ppp.ipv6cp));
return;
}
*p = TerminateAck; // send ack
q = makeppp(b, sizeof(b), p, l, s, t, PPPIPV6CP);
if (!q) return;
LOG(3, s, t, "IPV6CP: send %s\n", ppp_code(*q));
tunnelsend(b, l + (q - b), t);
change_state(s, ipv6cp, Stopped);
tunnelsend(b, l + (q - b), t); // send it
}
else if (*p != CodeRej)
{