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normalise session, tunnel args

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This commit is contained in:
bodea 2005-08-10 11:25:56 +00:00
parent 59c8969854
commit 2211825760
5 changed files with 109 additions and 109 deletions
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6
icmp.c
View file

@ -1,6 +1,6 @@
// L2TPNS: icmp
char const *cvs_id_icmp = "$Id: icmp.c,v 1.9 2005/07/31 10:04:10 bodea Exp $";
char const *cvs_id_icmp = "$Id: icmp.c,v 1.10 2005/08/10 11:25:56 bodea Exp $";
#include <arpa/inet.h>
#include <netdb.h>
@ -102,7 +102,7 @@ static uint16_t _checksum(uint8_t *addr, int count)
return htons((uint16_t) sum);
}
void send_ipv6_ra(tunnelidt t, sessionidt s, struct in6_addr *ip)
void send_ipv6_ra(sessionidt s, tunnelidt t, struct in6_addr *ip)
{
struct nd_opt_prefix_info *pinfo;
struct ipv6_pseudo_hdr *phdr;
@ -114,7 +114,7 @@ void send_ipv6_ra(tunnelidt t, sessionidt s, struct in6_addr *ip)
LOG(3, s, t, "Sending IPv6 RA\n");
memset(b, 0, sizeof(b));
o = makeppp(b, sizeof(b), 0, 0, t, s, PPPIPV6);
o = makeppp(b, sizeof(b), 0, 0, s, t, PPPIPV6);
if (!o)
{

62
l2tpns.c
View file

@ -4,7 +4,7 @@
// Copyright (c) 2002 FireBrick (Andrews & Arnold Ltd / Watchfront Ltd) - GPL licenced
// vim: sw=8 ts=8
char const *cvs_id_l2tpns = "$Id: l2tpns.c,v 1.118 2005/08/10 08:36:48 bodea Exp $";
char const *cvs_id_l2tpns = "$Id: l2tpns.c,v 1.119 2005/08/10 11:25:56 bodea Exp $";
#include <arpa/inet.h>
#include <assert.h>
@ -1104,7 +1104,7 @@ static void processipout(uint8_t *buf, int len)
// Add on L2TP header
{
uint8_t *p = makeppp(b, sizeof(b), buf, len, t, s, PPPIP);
uint8_t *p = makeppp(b, sizeof(b), buf, len, s, t, PPPIP);
if (!p) return;
tunnelsend(b, len + (p-b), t); // send it...
}
@ -1215,7 +1215,7 @@ static void processipv6out(uint8_t * buf, int len)
// Add on L2TP header
{
uint8_t *p = makeppp(b, sizeof(b), buf, len, t, s, PPPIPV6);
uint8_t *p = makeppp(b, sizeof(b), buf, len, s, t, PPPIPV6);
if (!p) return;
tunnelsend(b, len + (p-b), t); // send it...
}
@ -1267,7 +1267,7 @@ static void send_ipout(sessionidt s, uint8_t *buf, int len)
// Add on L2TP header
{
uint8_t *p = makeppp(b, sizeof(b), buf, len, t, s, PPPIP);
uint8_t *p = makeppp(b, sizeof(b), buf, len, s, t, PPPIP);
if (!p) return;
tunnelsend(b, len + (p-b), t); // send it...
}
@ -1366,7 +1366,7 @@ static void controlnull(tunnelidt t)
}
// add a control message to a tunnel, and send if within window
static void controladd(controlt * c, tunnelidt t, sessionidt far)
static void controladd(controlt *c, sessionidt far, tunnelidt t)
{
*(uint16_t *) (c->buf + 2) = htons(c->length); // length
*(uint16_t *) (c->buf + 4) = htons(tunnel[t].far); // tunnel
@ -1558,7 +1558,7 @@ void sessionshutdown(sessionidt s, char *reason, int result, int error)
control16(c, 1, result, 1);
control16(c, 14, s, 1); // assigned session (our end)
controladd(c, session[s].tunnel, session[s].far); // send the message
controladd(c, session[s].far, session[s].tunnel); // send the message
}
if (!session[s].die)
@ -1578,7 +1578,7 @@ void sessionshutdown(sessionidt s, char *reason, int result, int error)
cluster_send_session(s);
}
void sendipcp(tunnelidt t, sessionidt s)
void sendipcp(sessionidt s, tunnelidt t)
{
uint8_t buf[MAXCONTROL];
uint8_t *q;
@ -1591,7 +1591,7 @@ void sendipcp(tunnelidt t, sessionidt s)
session[s].unique_id = last_id;
}
q = makeppp(buf,sizeof(buf), 0, 0, t, s, PPPIPCP);
q = makeppp(buf,sizeof(buf), 0, 0, s, t, PPPIPCP);
if (!q) return;
*q = ConfigReq;
@ -1606,14 +1606,14 @@ void sendipcp(tunnelidt t, sessionidt s)
tunnelsend(buf, 10 + (q - buf), t); // send it
}
void sendipv6cp(tunnelidt t, sessionidt s)
void sendipv6cp(sessionidt s, tunnelidt t)
{
uint8_t buf[MAXCONTROL];
uint8_t *q;
CSTAT(sendipv6cp);
q = makeppp(buf,sizeof(buf), 0, 0, t, s, PPPIPV6CP);
q = makeppp(buf,sizeof(buf), 0, 0, s, t, PPPIPV6CP);
if (!q) return;
*q = ConfigReq;
@ -1753,7 +1753,7 @@ static void tunnelshutdown(tunnelidt t, char *reason, int result, int error, cha
control16(c, 1, result, 1);
control16(c, 9, t, 1); // assigned tunnel (our end)
controladd(c, t, 0); // send the message
controladd(c, 0, t); // send the message
}
}
@ -2305,7 +2305,7 @@ void processudp(uint8_t *buf, int len, struct sockaddr_in *addr)
controls(c, 7, tunnel[t].hostname, 1); // host name (TBA)
if (chapresponse) controlb(c, 13, chapresponse, 16, 1); // Challenge response
control16(c, 9, t, 1); // assigned tunnel
controladd(c, t, 0); // send the resply
controladd(c, 0, t); // send the resply
}
else
{
@ -2353,7 +2353,7 @@ void processudp(uint8_t *buf, int len, struct sockaddr_in *addr)
session[s].last_packet = time_now;
LOG(3, s, t, "New session (%d/%d)\n", tunnel[t].far, session[s].far);
control16(c, 14, s, 1); // assigned session
controladd(c, t, asession); // send the reply
controladd(c, asession, t); // send the reply
strncpy(session[s].called, called, sizeof(session[s].called) - 1);
strncpy(session[s].calling, calling, sizeof(session[s].calling) - 1);
@ -2376,7 +2376,7 @@ void processudp(uint8_t *buf, int len, struct sockaddr_in *addr)
else
control16(c, 1, 2, 7); // shutting down, try another
controladd(c, t, asession); // send the message
controladd(c, asession, t); // send the message
}
return;
case 11: // ICRP
@ -2394,7 +2394,7 @@ void processudp(uint8_t *buf, int len, struct sockaddr_in *addr)
authtype = config->radius_authprefer;
// start LCP
sendlcp(t, s, authtype);
sendlcp(s, t, authtype);
sess_local[s].lcp.restart = time_now + config->ppp_restart_time;
sess_local[s].lcp.conf_sent = 1;
sess_local[s].lcp.nak_sent = 0;
@ -2472,37 +2472,37 @@ void processudp(uint8_t *buf, int len, struct sockaddr_in *addr)
{
session[s].last_packet = time_now;
if (!config->cluster_iam_master) { master_forward_packet(buf, len, addr->sin_addr.s_addr, addr->sin_port); return; }
processpap(t, s, p, l);
processpap(s, t, p, l);
}
else if (prot == PPPCHAP)
{
session[s].last_packet = time_now;
if (!config->cluster_iam_master) { master_forward_packet(buf, len, addr->sin_addr.s_addr, addr->sin_port); return; }
processchap(t, s, p, l);
processchap(s, t, p, l);
}
else if (prot == PPPLCP)
{
session[s].last_packet = time_now;
if (!config->cluster_iam_master) { master_forward_packet(buf, len, addr->sin_addr.s_addr, addr->sin_port); return; }
processlcp(t, s, p, l);
processlcp(s, t, p, l);
}
else if (prot == PPPIPCP)
{
session[s].last_packet = time_now;
if (!config->cluster_iam_master) { master_forward_packet(buf, len, addr->sin_addr.s_addr, addr->sin_port); return; }
processipcp(t, s, p, l);
processipcp(s, t, p, l);
}
else if (prot == PPPIPV6CP)
{
session[s].last_packet = time_now;
if (!config->cluster_iam_master) { master_forward_packet(buf, len, addr->sin_addr.s_addr, addr->sin_port); return; }
processipv6cp(t, s, p, l);
processipv6cp(s, t, p, l);
}
else if (prot == PPPCCP)
{
session[s].last_packet = time_now;
if (!config->cluster_iam_master) { master_forward_packet(buf, len, addr->sin_addr.s_addr, addr->sin_port); return; }
processccp(t, s, p, l);
processccp(s, t, p, l);
}
else if (prot == PPPIP)
{
@ -2519,7 +2519,7 @@ void processudp(uint8_t *buf, int len, struct sockaddr_in *addr)
return;
}
processipin(t, s, p, l);
processipin(s, t, p, l);
}
else if (prot == PPPIPV6)
{
@ -2541,7 +2541,7 @@ void processudp(uint8_t *buf, int len, struct sockaddr_in *addr)
return;
}
processipv6in(t, s, p, l);
processipv6in(s, t, p, l);
}
else
{
@ -2660,7 +2660,7 @@ static void regular_cleanups(double period)
if (tunnel[t].state == TUNNELOPEN && tunnel[t].lastrec < TIME + 600)
{
controlt *c = controlnew(6); // sending HELLO
controladd(c, t, 0); // send the message
controladd(c, 0, t); // send the message
LOG(3, 0, t, "Sending HELLO message\n");
t_actions++;
}
@ -2730,7 +2730,7 @@ static void regular_cleanups(double period)
LOG(3, s, session[s].tunnel, "No ACK for LCP ConfigReq... resending\n");
sess_local[s].lcp.restart = time_now + config->ppp_restart_time;
sess_local[s].lcp.conf_sent++;
sendlcp(t, s, sess_local[s].lcp_authtype);
sendlcp(s, t, sess_local[s].lcp_authtype);
change_state(s, lcp, next_state);
}
else
@ -2761,7 +2761,7 @@ static void regular_cleanups(double period)
LOG(3, s, session[s].tunnel, "No ACK for IPCP ConfigReq... resending\n");
sess_local[s].ipcp.restart = time_now + config->ppp_restart_time;
sess_local[s].ipcp.conf_sent++;
sendipcp(t, s);
sendipcp(s, t);
change_state(s, ipcp, next_state);
}
else
@ -2792,7 +2792,7 @@ static void regular_cleanups(double period)
LOG(3, s, session[s].tunnel, "No ACK for IPV6CP ConfigReq... resending\n");
sess_local[s].ipv6cp.restart = time_now + config->ppp_restart_time;
sess_local[s].ipv6cp.conf_sent++;
sendipv6cp(t, s);
sendipv6cp(s, t);
change_state(s, ipv6cp, next_state);
}
else
@ -2820,7 +2820,7 @@ static void regular_cleanups(double period)
LOG(3, s, session[s].tunnel, "No ACK for CCP ConfigReq... resending\n");
sess_local[s].ccp.restart = time_now + config->ppp_restart_time;
sess_local[s].ccp.conf_sent++;
sendccp(t, s);
sendccp(s, t);
change_state(s, ccp, next_state);
}
else
@ -2847,7 +2847,7 @@ static void regular_cleanups(double period)
{
uint8_t b[MAXCONTROL] = {0};
uint8_t *q = makeppp(b, sizeof(b), 0, 0, session[s].tunnel, s, PPPLCP);
uint8_t *q = makeppp(b, sizeof(b), 0, 0, s, session[s].tunnel, PPPLCP);
if (!q) continue;
*q = EchoReq;
@ -4400,7 +4400,7 @@ static void read_config_file()
update_config();
}
int sessionsetup(tunnelidt t, sessionidt s)
int sessionsetup(sessionidt s, tunnelidt t)
{
// A session now exists, set it up
in_addr_t ip;
@ -4479,7 +4479,7 @@ int sessionsetup(tunnelidt t, sessionidt s)
}
sess_local[s].lcp_authtype = 0; // RADIUS authentication complete
lcp_open(t, s); // transition to Network phase and send initial IPCP
lcp_open(s, t); // transition to Network phase and send initial IPCP
// Run the plugin's against this new session.
{

36
l2tpns.h
View file

@ -1,5 +1,5 @@
// L2TPNS Global Stuff
// $Id: l2tpns.h,v 1.81 2005/07/31 10:04:10 bodea Exp $
// $Id: l2tpns.h,v 1.82 2005/08/10 11:25:56 bodea Exp $
#ifndef __L2TPNS_H__
#define __L2TPNS_H__
@ -658,20 +658,20 @@ void sendarp(int ifr_idx, const unsigned char* mac, in_addr_t ip);
// ppp.c
void processpap(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l);
void processchap(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l);
void lcp_open(tunnelidt t, sessionidt s);
void processlcp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l);
void processipcp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l);
void processipv6cp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l);
void processipin(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l);
void processipv6in(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l);
void processccp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l);
void sendchap(tunnelidt t, sessionidt s);
uint8_t *makeppp(uint8_t *b, int size, uint8_t *p, int l, tunnelidt t, sessionidt s, uint16_t mtype);
void sendlcp(tunnelidt t, sessionidt s, int authtype);
void processpap(sessionidt s, tunnelidt t, uint8_t *p, uint16_t l);
void processchap(sessionidt s, tunnelidt t, uint8_t *p, uint16_t l);
void lcp_open(sessionidt s, tunnelidt t);
void processlcp(sessionidt s, tunnelidt t, uint8_t *p, uint16_t l);
void processipcp(sessionidt s, tunnelidt t, uint8_t *p, uint16_t l);
void processipv6cp(sessionidt s, tunnelidt t, uint8_t *p, uint16_t l);
void processipin(sessionidt s, tunnelidt t, uint8_t *p, uint16_t l);
void processipv6in(sessionidt s, tunnelidt t, uint8_t *p, uint16_t l);
void processccp(sessionidt s, tunnelidt t, uint8_t *p, uint16_t l);
void sendchap(sessionidt s, tunnelidt t);
uint8_t *makeppp(uint8_t *b, int size, uint8_t *p, int l, sessionidt s, tunnelidt t, uint16_t mtype);
void sendlcp(sessionidt s, tunnelidt t, int authtype);
void send_ipin(sessionidt s, uint8_t *buf, int len);
void sendccp(tunnelidt t, sessionidt s);
void sendccp(sessionidt s, tunnelidt t);
// radius.c
@ -686,7 +686,7 @@ void processdae(uint8_t *buf, int len, struct sockaddr_in *addr, int alen);
// l2tpns.c
clockt backoff(uint8_t try);
void send_ipv6_ra(tunnelidt t, sessionidt s, struct in6_addr *ip);
void send_ipv6_ra(sessionidt s, tunnelidt t, struct in6_addr *ip);
void route6set(sessionidt s, struct in6_addr ip, int prefixlen, int add);
sessionidt sessionbyip(in_addr_t ip);
sessionidt sessionbyipv6(struct in6_addr ip);
@ -698,8 +698,8 @@ void sessionshutdown(sessionidt s, char *reason, int result, int error);
void filter_session(sessionidt s, int filter_in, int filter_out);
void send_garp(in_addr_t ip);
void tunnelsend(uint8_t *buf, uint16_t l, tunnelidt t);
void sendipcp(tunnelidt t, sessionidt s);
void sendipv6cp(tunnelidt t, sessionidt s);
void sendipcp(sessionidt s, tunnelidt t);
void sendipv6cp(sessionidt s, tunnelidt t);
void processudp(uint8_t *buf, int len, struct sockaddr_in *addr);
void snoop_send_packet(uint8_t *packet, uint16_t size, in_addr_t destination, uint16_t port);
int find_filter(char const *name, size_t len);
@ -716,7 +716,7 @@ int cmd_show_hist_open(struct cli_def *cli, char *command, char **argv, int argc
void _log(int level, sessionidt s, tunnelidt t, const char *format, ...) __attribute__((format (printf, 4, 5)));
void _log_hex(int level, const char *title, const uint8_t *data, int maxsize);
int sessionsetup(tunnelidt t, sessionidt s);
int sessionsetup(sessionidt s, tunnelidt t);
int run_plugins(int plugin_type, void *data);
void rebuild_address_pool(void);
void throttle_session(sessionidt s, int rate_in, int rate_out);

104
ppp.c
View file

@ -1,6 +1,6 @@
// L2TPNS PPP Stuff
char const *cvs_id_ppp = "$Id: ppp.c,v 1.67 2005/08/10 08:59:23 bodea Exp $";
char const *cvs_id_ppp = "$Id: ppp.c,v 1.68 2005/08/10 11:25:56 bodea Exp $";
#include <stdio.h>
#include <string.h>
@ -26,7 +26,7 @@ extern configt *config;
static int add_lcp_auth(uint8_t *b, int size, int authtype);
// Process PAP messages
void processpap(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
void processpap(sessionidt s, tunnelidt t, uint8_t *p, uint16_t l)
{
char user[MAXUSER];
char pass[MAXPASS];
@ -91,7 +91,7 @@ void processpap(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
// respond now, either no RADIUS available or already authenticated
uint8_t b[MAXCONTROL];
uint8_t id = p[1];
uint8_t *p = makeppp(b, sizeof(b), 0, 0, t, s, PPPPAP);
uint8_t *p = makeppp(b, sizeof(b), 0, 0, s, t, PPPPAP);
if (!p) return;
if (session[s].ip)
@ -140,7 +140,7 @@ void processpap(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
}
// Process CHAP messages
void processchap(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
void processchap(sessionidt s, tunnelidt t, uint8_t *p, uint16_t l)
{
uint16_t r;
uint16_t hl;
@ -336,7 +336,7 @@ static void dumplcp(uint8_t *p, int l)
}
}
void lcp_open(tunnelidt t, sessionidt s)
void lcp_open(sessionidt s, tunnelidt t)
{
// transition to Authentication or Network phase:
session[s].ppp.phase = sess_local[s].lcp_authtype ? Authenticate : Network;
@ -347,12 +347,12 @@ void lcp_open(tunnelidt t, sessionidt s)
if (session[s].ppp.phase == Authenticate)
{
if (sess_local[s].lcp_authtype == AUTHCHAP)
sendchap(t, s);
sendchap(s, t);
}
else
{
// This-Layer-Up
sendipcp(t, s);
sendipcp(s, t);
change_state(s, ipcp, RequestSent);
// move to passive state for IPv6 (if configured), CCP
if (config->ipv6_prefix.s6_addr[0])
@ -378,7 +378,7 @@ static uint8_t *ppp_rej(sessionidt s, uint8_t *buf, size_t blen, uint16_t mtype,
{
if (!*response || **response != ConfigRej)
{
queued = *response = makeppp(buf, blen, packet, 2, session[s].tunnel, s, mtype);
queued = *response = makeppp(buf, blen, packet, 2, s, session[s].tunnel, mtype);
if (!queued)
return 0;
@ -422,7 +422,7 @@ static uint8_t *ppp_nak(sessionidt s, uint8_t *buf, size_t blen, uint16_t mtype,
if (*nak_sent >= config->ppp_max_failure)
return ppp_rej(s, buf, blen, mtype, response, 0, packet, option);
queued = *response = makeppp(buf, blen, packet, 2, session[s].tunnel, s, mtype);
queued = *response = makeppp(buf, blen, packet, 2, s, session[s].tunnel, mtype);
if (!queued)
return 0;
@ -444,7 +444,7 @@ static uint8_t *ppp_nak(sessionidt s, uint8_t *buf, size_t blen, uint16_t mtype,
}
// Process LCP messages
void processlcp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
void processlcp(sessionidt s, tunnelidt t, uint8_t *p, uint16_t l)
{
uint8_t b[MAXCONTROL];
uint8_t *q = NULL;
@ -525,7 +525,7 @@ void processlcp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
break;
case AckSent:
lcp_open(t, s);
lcp_open(s, t);
break;
default:
@ -637,7 +637,7 @@ void processlcp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
else
{
// Send packet back as ConfigAck
response = makeppp(b, sizeof(b), p, l, t, s, PPPLCP);
response = makeppp(b, sizeof(b), p, l, s, t, PPPLCP);
if (!response) return;
*response = ConfigAck;
}
@ -645,7 +645,7 @@ void processlcp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
switch (session[s].ppp.lcp)
{
case Closed:
response = makeppp(b, sizeof(b), p, 2, t, s, PPPLCP);
response = makeppp(b, sizeof(b), p, 2, s, t, PPPLCP);
if (!response) return;
*response = TerminateAck;
*((uint16_t *) (response + 2)) = htons(l = 4);
@ -669,7 +669,7 @@ void processlcp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
case AckReceived:
if (*response == ConfigAck)
lcp_open(t, s);
lcp_open(s, t);
break;
@ -765,7 +765,7 @@ void processlcp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
case Closed:
case Stopped:
{
uint8_t *response = makeppp(b, sizeof(b), p, 2, t, s, PPPLCP);
uint8_t *response = makeppp(b, sizeof(b), p, 2, s, t, PPPLCP);
if (!response) return;
*response = TerminateAck;
*((uint16_t *) (response + 2)) = htons(l = 4);
@ -798,7 +798,7 @@ void processlcp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
{
LOG(3, s, t, "LCP: Received TerminateReq. Sending TerminateAck\n");
*p = TerminateAck; // close
q = makeppp(b, sizeof(b), p, l, t, s, PPPLCP);
q = makeppp(b, sizeof(b), p, l, s, t, PPPLCP);
if (!q) return;
tunnelsend(b, l + (q - b), t); // send it
sessionshutdown(s, "Remote end closed connection.", 3, 0);
@ -826,7 +826,7 @@ void processlcp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
LOG(5, s, t, "LCP: Received EchoReq. Sending EchoReply\n");
*p = EchoReply; // reply
*(uint32_t *) (p + 4) = htonl(session[s].magic); // our magic number
q = makeppp(b, sizeof(b), p, l, t, s, PPPLCP);
q = makeppp(b, sizeof(b), p, l, s, t, PPPLCP);
if (!q) return;
tunnelsend(b, l + (q - b), t); // send it
}
@ -844,7 +844,7 @@ void processlcp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
if (l > mru) l = mru;
*p = CodeRej;
q = makeppp(b, sizeof(b), p, l, t, s, PPPLCP);
q = makeppp(b, sizeof(b), p, l, s, t, PPPLCP);
if (!q) return;
LOG(3, s, t, "Unexpected LCP code %s\n", ppp_code(code));
@ -852,7 +852,7 @@ void processlcp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
}
}
static void ipcp_open(tunnelidt t, sessionidt s)
static void ipcp_open(sessionidt s, tunnelidt t)
{
LOG(3, s, t, "IPCP: Opened, session is now active\n");
@ -868,13 +868,13 @@ static void ipcp_open(tunnelidt t, sessionidt s)
// start IPv6 if configured and still in passive state
if (session[s].ppp.ipv6cp == Stopped)
{
sendipv6cp(t, s);
sendipv6cp(s, t);
change_state(s, ipv6cp, RequestSent);
}
}
// Process IPCP messages
void processipcp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
void processipcp(sessionidt s, tunnelidt t, uint8_t *p, uint16_t l)
{
uint8_t b[MAXCONTROL];
uint8_t *q = 0;
@ -921,7 +921,7 @@ void processipcp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
break;
case AckSent:
ipcp_open(t, s);
ipcp_open(s, t);
break;
default:
@ -1001,7 +1001,7 @@ void processipcp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
else if (gotip)
{
// Send packet back as ConfigAck
response = makeppp(b, sizeof(b), p, l, t, s, PPPIPCP);
response = makeppp(b, sizeof(b), p, l, s, t, PPPIPCP);
if (!response) return;
*response = ConfigAck;
}
@ -1015,7 +1015,7 @@ void processipcp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
switch (session[s].ppp.ipcp)
{
case Closed:
response = makeppp(b, sizeof(b), p, 2, t, s, PPPIPCP);
response = makeppp(b, sizeof(b), p, 2, s, t, PPPIPCP);
if (!response) return;
*response = TerminateAck;
*((uint16_t *) (response + 2)) = htons(l = 4);
@ -1039,7 +1039,7 @@ void processipcp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
case AckReceived:
if (*response == ConfigAck)
ipcp_open(t, s);
ipcp_open(s, t);
break;
@ -1068,7 +1068,7 @@ void processipcp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
{
LOG(3, s, t, "IPCP: Received TerminateReq. Sending TerminateAck\n");
*p = TerminateAck;
q = makeppp(b, sizeof(b), p, l, t, s, PPPIPCP);
q = makeppp(b, sizeof(b), p, l, s, t, PPPIPCP);
if (!q) return;
tunnelsend(b, l + (q - b), t);
change_state(s, ipcp, Stopped);
@ -1083,7 +1083,7 @@ void processipcp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
if (l > mru) l = mru;
*p = CodeRej;
q = makeppp(b, sizeof(b), p, l, t, s, PPPIPCP);
q = makeppp(b, sizeof(b), p, l, s, t, PPPIPCP);
if (!q) return;
LOG(3, s, t, "Unexpected IPCP code %s\n", ppp_code(code));
@ -1091,7 +1091,7 @@ void processipcp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
}
}
static void ipv6cp_open(tunnelidt t, sessionidt s)
static void ipv6cp_open(sessionidt s, tunnelidt t)
{
LOG(3, s, t, "IPV6CP: Opened\n");
@ -1100,11 +1100,11 @@ static void ipv6cp_open(tunnelidt t, sessionidt s)
route6set(s, session[s].ipv6route, session[s].ipv6prefixlen, 1);
// Send an initial RA (TODO: Should we send these regularly?)
send_ipv6_ra(t, s, NULL);
send_ipv6_ra(s, t, NULL);
}
// Process IPV6CP messages
void processipv6cp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
void processipv6cp(sessionidt s, tunnelidt t, uint8_t *p, uint16_t l)
{
uint8_t b[MAXCONTROL];
uint8_t *q = 0;
@ -1138,7 +1138,7 @@ void processipv6cp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
{
LOG(2, s, t, "IPV6CP: %s rejected (not configured)\n", ppp_code(*p));
*p = ProtocolRej;
q = makeppp(b, sizeof(b), p, l, t, s, PPPIPV6CP);
q = makeppp(b, sizeof(b), p, l, s, t, PPPIPV6CP);
if (!q) return;
tunnelsend(b, l + (q - b), t);
return;
@ -1167,7 +1167,7 @@ void processipv6cp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
break;
case AckSent:
ipv6cp_open(t, s);
ipv6cp_open(s, t);
break;
default:
@ -1221,7 +1221,7 @@ void processipv6cp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
else if (gotip)
{
// Send packet back as ConfigAck
response = makeppp(b, sizeof(b), p, l, t, s, PPPIPV6CP);
response = makeppp(b, sizeof(b), p, l, s, t, PPPIPV6CP);
if (!response) return;
*response = ConfigAck;
}
@ -1235,7 +1235,7 @@ void processipv6cp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
switch (session[s].ppp.ipv6cp)
{
case Closed:
response = makeppp(b, sizeof(b), p, 2, t, s, PPPIPV6CP);
response = makeppp(b, sizeof(b), p, 2, s, t, PPPIPV6CP);
if (!response) return;
*response = TerminateAck;
*((uint16_t *) (response + 2)) = htons(l = 4);
@ -1259,7 +1259,7 @@ void processipv6cp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
case AckReceived:
if (*response == ConfigAck)
ipv6cp_open(t, s);
ipv6cp_open(s, t);
break;
@ -1288,7 +1288,7 @@ void processipv6cp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
{
LOG(3, s, t, "IPV6CP: Received TerminateReq. Sending TerminateAck\n");
*p = TerminateAck;
q = makeppp(b, sizeof(b), p, l, t, s, PPPIPV6CP);
q = makeppp(b, sizeof(b), p, l, s, t, PPPIPV6CP);
if (!q) return;
tunnelsend(b, l + (q - b), t);
change_state(s, ipv6cp, Stopped);
@ -1303,7 +1303,7 @@ void processipv6cp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
if (l > mru) l = mru;
*p = CodeRej;
q = makeppp(b, sizeof(b), p, l, t, s, PPPIPV6CP);
q = makeppp(b, sizeof(b), p, l, s, t, PPPIPV6CP);
if (!q) return;
LOG(3, s, t, "Unexpected IPV6CP code %s\n", ppp_code(code));
@ -1315,7 +1315,7 @@ void processipv6cp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
//
// This MUST be called with at least 4 byte behind 'p'.
// (i.e. this routine writes to p[-4]).
void processipin(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
void processipin(sessionidt s, tunnelidt t, uint8_t *p, uint16_t l)
{
in_addr_t ip;
@ -1401,7 +1401,7 @@ void processipin(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
//
// This MUST be called with at least 4 byte behind 'p'.
// (i.e. this routine writes to p[-4]).
void processipv6in(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
void processipv6in(sessionidt s, tunnelidt t, uint8_t *p, uint16_t l)
{
struct in6_addr ip;
in_addr_t ipv4;
@ -1438,7 +1438,7 @@ void processipv6in(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
*(uint32_t *)(p + 34) == 0 &&
*(p + 38) == 0 && *(p + 39) == 2 && *(p + 40) == 133) {
LOG(3, s, t, "Got IPv6 RS\n");
send_ipv6_ra(t, s, &ip);
send_ipv6_ra(s, t, &ip);
return;
}
@ -1535,7 +1535,7 @@ void send_ipin(sessionidt s, uint8_t *buf, int len)
// Process CCP messages
void processccp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
void processccp(sessionidt s, tunnelidt t, uint8_t *p, uint16_t l)
{
uint8_t b[MAXCONTROL];
uint8_t *q;
@ -1588,13 +1588,13 @@ void processccp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
else // compression requested--reject
*p = ConfigRej;
q = makeppp(b, sizeof(b), p, l, t, s, PPPCCP);
q = makeppp(b, sizeof(b), p, l, s, t, PPPCCP);
if (!q) return;
switch (session[s].ppp.ccp)
{
case Closed:
q = makeppp(b, sizeof(b), p, 2, t, s, PPPCCP);
q = makeppp(b, sizeof(b), p, 2, s, t, PPPCCP);
if (!q) return;
*q = TerminateAck;
*((uint16_t *) (q + 2)) = htons(l = 4);
@ -1647,7 +1647,7 @@ void processccp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
{
LOG(3, s, t, "CCP: Received TerminateReq. Sending TerminateAck\n");
*p = TerminateAck;
q = makeppp(b, sizeof(b), p, l, t, s, PPPCCP);
q = makeppp(b, sizeof(b), p, l, s, t, PPPCCP);
if (!q) return;
tunnelsend(b, l + (q - b), t);
change_state(s, ccp, Stopped);
@ -1662,7 +1662,7 @@ void processccp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
if (l > mru) l = mru;
*p = CodeRej;
q = makeppp(b, sizeof(b), p, l, t, s, PPPCCP);
q = makeppp(b, sizeof(b), p, l, s, t, PPPCCP);
if (!q) return;
LOG(3, s, t, "Unexpected CCP code %s\n", ppp_code(code));
@ -1671,7 +1671,7 @@ void processccp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
}
// send a CHAP challenge
void sendchap(tunnelidt t, sessionidt s)
void sendchap(sessionidt s, tunnelidt t)
{
uint8_t b[MAXCONTROL];
uint16_t r;
@ -1702,7 +1702,7 @@ void sendchap(tunnelidt t, sessionidt s)
STAT(tunnel_tx_errors);
return ;
}
q = makeppp(b, sizeof(b), 0, 0, t, s, PPPCHAP);
q = makeppp(b, sizeof(b), 0, 0, s, t, PPPCHAP);
if (!q) return;
*q = 1; // challenge
@ -1717,7 +1717,7 @@ void sendchap(tunnelidt t, sessionidt s)
// fill in a L2TP message with a PPP frame,
// copies existing PPP message and changes magic number if seen
// returns start of PPP frame
uint8_t *makeppp(uint8_t *b, int size, uint8_t *p, int l, tunnelidt t, sessionidt s, uint16_t mtype)
uint8_t *makeppp(uint8_t *b, int size, uint8_t *p, int l, sessionidt s, tunnelidt t, uint16_t mtype)
{
if (size < 12) // Need more space than this!!
{
@ -1785,11 +1785,11 @@ static int add_lcp_auth(uint8_t *b, int size, int authtype)
}
// Send initial LCP ConfigReq for MRU, authentication type and magic no
void sendlcp(tunnelidt t, sessionidt s, int authtype)
void sendlcp(sessionidt s, tunnelidt t, int authtype)
{
uint8_t b[500], *q, *l;
if (!(q = makeppp(b, sizeof(b), NULL, 0, t, s, PPPLCP)))
if (!(q = makeppp(b, sizeof(b), NULL, 0, s, t, PPPLCP)))
return;
LOG(4, s, t, "Sending LCP ConfigReq%s%s\n",
@ -1822,11 +1822,11 @@ void sendlcp(tunnelidt t, sessionidt s, int authtype)
}
// Send CCP request for no compression
void sendccp(tunnelidt t, sessionidt s)
void sendccp(sessionidt s, tunnelidt t)
{
uint8_t b[500], *q;
if (!(q = makeppp(b, sizeof(b), NULL, 0, t, s, PPPCCP)))
if (!(q = makeppp(b, sizeof(b), NULL, 0, s, t, PPPCCP)))
return;
LOG(4, s, t, "Sending CCP ConfigReq for no compression\n");

10
radius.c
View file

@ -1,6 +1,6 @@
// L2TPNS Radius Stuff
char const *cvs_id_radius = "$Id: radius.c,v 1.38 2005/07/31 10:35:39 bodea Exp $";
char const *cvs_id_radius = "$Id: radius.c,v 1.39 2005/08/10 11:25:56 bodea Exp $";
#include <time.h>
#include <stdio.h>
@ -493,7 +493,7 @@ void processrad(uint8_t *buf, int len, char socket_index)
if (radius[r].chap)
{
// CHAP
uint8_t *p = makeppp(b, sizeof(b), 0, 0, t, s, PPPCHAP);
uint8_t *p = makeppp(b, sizeof(b), 0, 0, s, t, PPPCHAP);
if (!p) return; // Abort!
*p = (r_code == AccessAccept) ? 3 : 4; // ack/nak
@ -507,7 +507,7 @@ void processrad(uint8_t *buf, int len, char socket_index)
else
{
// PAP
uint8_t *p = makeppp(b, sizeof(b), 0, 0, t, s, PPPPAP);
uint8_t *p = makeppp(b, sizeof(b), 0, 0, s, t, PPPPAP);
if (!p) return; // Abort!
// ack/nak
@ -712,7 +712,7 @@ void processrad(uint8_t *buf, int len, char socket_index)
// Valid Session, set it up
session[s].unique_id = 0;
sessionsetup(t, s);
sessionsetup(s, t);
}
else
{
@ -739,7 +739,7 @@ void radiusretry(uint16_t r)
switch (radius[r].state)
{
case RADIUSCHAP: // sending CHAP down PPP
sendchap(t, s);
sendchap(s, t);
break;
case RADIUSAUTH: // sending auth to RADIUS server
case RADIUSSTART: // sending start accounting to RADIUS server