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remove openssl crypto lib
[l2tpns.git]
/
ppp.c
diff --git
a/ppp.c
b/ppp.c
index
ff8d4c1
..
1d59e33
100644
(file)
--- a/
ppp.c
+++ b/
ppp.c
@@
-1,6
+1,6
@@
// L2TPNS PPP Stuff
// L2TPNS PPP Stuff
-char const *cvs_id_ppp = "$Id: ppp.c,v 1.
65 2005/07/31 10:04:10
bodea Exp $";
+char const *cvs_id_ppp = "$Id: ppp.c,v 1.
72 2005/08/12 08:18:46
bodea Exp $";
#include <stdio.h>
#include <string.h>
#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
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];
{
char user[MAXUSER];
char pass[MAXPASS];
@@
-85,13
+85,12
@@
void processpap(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
LOG(3, s, t, "PAP login %s/%s\n", user, pass);
}
LOG(3, s, t, "PAP login %s/%s\n", user, pass);
}
- r = radiusnew(s);
- if (session[s].ip || !r)
+ if (session[s].ip || !(r = radiusnew(s)))
{
// respond now, either no RADIUS available or already authenticated
uint8_t b[MAXCONTROL];
uint8_t id = p[1];
{
// 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)
if (!p) return;
if (session[s].ip)
@@
-134,13
+133,13
@@
void processpap(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
free(packet.password);
radius[r].id = p[1];
free(packet.password);
radius[r].id = p[1];
- LOG(3, s, t, "Sending login for %s/%s to
radius
\n", user, pass);
+ LOG(3, s, t, "Sending login for %s/%s to
RADIUS
\n", user, pass);
radiussend(r, RADIUSAUTH);
}
}
// Process CHAP messages
radiussend(r, RADIUSAUTH);
}
}
// 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;
{
uint16_t r;
uint16_t hl;
@@
-289,24
+288,24
@@
static void dumplcp(uint8_t *p, int l)
LOG(4, 0, 0, " %s %x\n", ppp_lcp_option(type), asyncmap);
}
else
LOG(4, 0, 0, " %s %x\n", ppp_lcp_option(type), asyncmap);
}
else
- LOG(4, 0, 0, " %s odd length %d\n", ppp_lcp_option(type), length);
+ LOG(4, 0, 0, "
%s odd length %d\n", ppp_lcp_option(type), length);
break;
case 3: // Authentication-Protocol
if (length == 4)
{
int proto = ntohs(*(uint16_t *)(o + 2));
break;
case 3: // Authentication-Protocol
if (length == 4)
{
int proto = ntohs(*(uint16_t *)(o + 2));
- LOG(4, 0, 0, " %s 0x%x (%s)\n", ppp_lcp_option(type), proto,
+ LOG(4, 0, 0, "
%s 0x%x (%s)\n", ppp_lcp_option(type), proto,
proto == PPPPAP ? "PAP" : "UNSUPPORTED");
}
else if (length == 5)
{
int proto = ntohs(*(uint16_t *)(o + 2));
int algo = *(uint8_t *)(o + 4);
proto == PPPPAP ? "PAP" : "UNSUPPORTED");
}
else if (length == 5)
{
int proto = ntohs(*(uint16_t *)(o + 2));
int algo = *(uint8_t *)(o + 4);
- LOG(4, 0, 0, " %s 0x%x 0x%x (%s)\n", ppp_lcp_option(type), proto, algo,
+ LOG(4, 0, 0, "
%s 0x%x 0x%x (%s)\n", ppp_lcp_option(type), proto, algo,
(proto == PPPCHAP && algo == 5) ? "CHAP MD5" : "UNSUPPORTED");
}
else
(proto == PPPCHAP && algo == 5) ? "CHAP MD5" : "UNSUPPORTED");
}
else
- LOG(4, 0, 0, " %s odd length %d\n", ppp_lcp_option(type), length);
+ LOG(4, 0, 0, "
%s odd length %d\n", ppp_lcp_option(type), length);
break;
case 4: // Quality-Protocol
{
break;
case 4: // Quality-Protocol
{
@@
-321,7
+320,7
@@
static void dumplcp(uint8_t *p, int l)
LOG(4, 0, 0, " %s %x\n", ppp_lcp_option(type), magicno);
}
else
LOG(4, 0, 0, " %s %x\n", ppp_lcp_option(type), magicno);
}
else
- LOG(4, 0, 0, " %s odd length %d\n", ppp_lcp_option(type), length);
+ LOG(4, 0, 0, "
%s odd length %d\n", ppp_lcp_option(type), length);
break;
case 7: // Protocol-Field-Compression
case 8: // Address-And-Control-Field-Compression
break;
case 7: // Protocol-Field-Compression
case 8: // Address-And-Control-Field-Compression
@@
-336,23
+335,25
@@
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;
{
// transition to Authentication or Network phase:
session[s].ppp.phase = sess_local[s].lcp_authtype ? Authenticate : Network;
+ LOG(3, s, t, "LCP: Opened, phase %s\n", ppp_phase(session[s].ppp.phase));
+
// LCP now Opened
change_state(s, lcp, Opened);
if (session[s].ppp.phase == Authenticate)
{
if (sess_local[s].lcp_authtype == AUTHCHAP)
// LCP now Opened
change_state(s, lcp, Opened);
if (session[s].ppp.phase == Authenticate)
{
if (sess_local[s].lcp_authtype == AUTHCHAP)
- sendchap(
t, s
);
+ sendchap(
s, t
);
}
else
{
// This-Layer-Up
}
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])
change_state(s, ipcp, RequestSent);
// move to passive state for IPv6 (if configured), CCP
if (config->ipv6_prefix.s6_addr[0])
@@
-378,7
+379,7
@@
static uint8_t *ppp_rej(sessionidt s, uint8_t *buf, size_t blen, uint16_t mtype,
{
if (!*response || **response != ConfigRej)
{
{
if (!*response || **response != ConfigRej)
{
- queued = *response = makeppp(buf, blen, packet, 2, s
ession[s].tunnel, s
, mtype);
+ queued = *response = makeppp(buf, blen, packet, 2, s
, session[s].tunnel
, mtype);
if (!queued)
return 0;
if (!queued)
return 0;
@@
-422,7
+423,7
@@
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);
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, s
ession[s].tunnel, s
, mtype);
+ queued = *response = makeppp(buf, blen, packet, 2, s
, session[s].tunnel
, mtype);
if (!queued)
return 0;
if (!queued)
return 0;
@@
-444,7
+445,7
@@
static uint8_t *ppp_nak(sessionidt s, uint8_t *buf, size_t blen, uint16_t mtype,
}
// Process LCP messages
}
// 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;
{
uint8_t b[MAXCONTROL];
uint8_t *q = NULL;
@@
-472,15
+473,15
@@
void processlcp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
if (session[s].die) // going down...
return;
if (session[s].die) // going down...
return;
+ LOG(*p == EchoReq ? 4 : 3, s, t, "LCP: recv %s\n", ppp_code(*p));
+ if (config->debug > 3) dumplcp(p, l);
+
if (*p == ConfigAck)
{
int x = l - 4;
uint8_t *o = (p + 4);
int authtype = 0;
if (*p == ConfigAck)
{
int x = l - 4;
uint8_t *o = (p + 4);
int authtype = 0;
- LOG(3, s, t, "LCP: ConfigAck (%d bytes)...\n", l);
- if (config->debug > 3) dumplcp(p, l);
-
while (x > 2)
{
int type = o[0];
while (x > 2)
{
int type = o[0];
@@
-516,7
+517,7
@@
void processlcp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
case AckReceived:
case Opened:
case AckReceived:
case Opened:
- LOG(
3
, s, t, "LCP: ConfigAck in state %s? Sending ConfigReq\n", ppp_state(session[s].ppp.lcp));
+ LOG(
2
, s, t, "LCP: ConfigAck in state %s? Sending ConfigReq\n", ppp_state(session[s].ppp.lcp));
if (session[s].ppp.lcp == Opened)
lcp_restart(s);
if (session[s].ppp.lcp == Opened)
lcp_restart(s);
@@
-525,11
+526,11
@@
void processlcp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
break;
case AckSent:
break;
case AckSent:
- lcp_open(
t, s
);
+ lcp_open(
s, t
);
break;
default:
break;
default:
- LOG(
3
, s, t, "LCP: ignoring %s in state %s\n", ppp_code(*p), ppp_state(session[s].ppp.lcp));
+ LOG(
2
, s, t, "LCP: ignoring %s in state %s\n", ppp_code(*p), ppp_state(session[s].ppp.lcp));
}
}
else if (*p == ConfigReq)
}
}
else if (*p == ConfigReq)
@@
-540,9
+541,6
@@
void processlcp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
static uint8_t asyncmap[4] = { 0, 0, 0, 0 }; // all zero
static uint8_t authproto[5];
static uint8_t asyncmap[4] = { 0, 0, 0, 0 }; // all zero
static uint8_t authproto[5];
- LOG(3, s, t, "LCP: ConfigReq (%d bytes)...\n", l);
- if (config->debug > 3) dumplcp(p, l);
-
while (x > 2)
{
int type = o[0];
while (x > 2)
{
int type = o[0];
@@
-559,7
+557,7
@@
void processlcp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
if (!ntohl(*(uint32_t *)(o + 2))) // all bits zero is OK
break;
if (!ntohl(*(uint32_t *)(o + 2))) // all bits zero is OK
break;
- LOG(
2
, s, t, " Remote requesting asyncmap. Rejecting.\n");
+ LOG(
3
, s, t, " Remote requesting asyncmap. Rejecting.\n");
q = ppp_nak(s, b, sizeof(b), PPPLCP, &response, q, p, o, asyncmap, sizeof(asyncmap));
break;
q = ppp_nak(s, b, sizeof(b), PPPLCP, &response, q, p, o, asyncmap, sizeof(asyncmap));
break;
@@
-593,7
+591,7
@@
void processlcp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
else
sprintf(proto_name, "%#4.4x", proto);
else
sprintf(proto_name, "%#4.4x", proto);
- LOG(
2
, s, t, " Remote requesting %s authentication. Rejecting.\n", proto_name);
+ LOG(
3
, s, t, " Remote requesting %s authentication. Rejecting.\n", proto_name);
alen = add_lcp_auth(authproto, sizeof(authproto), config->radius_authprefer);
if (alen < 2) break; // paranoia
alen = add_lcp_auth(authproto, sizeof(authproto), config->radius_authprefer);
if (alen < 2) break; // paranoia
@@
-622,7
+620,7
@@
void processlcp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
break;
default: // Reject any unknown options
break;
default: // Reject any unknown options
- LOG(
2, s, t, " Rejecting PPP LCP Option type
%d\n", type);
+ LOG(
3, s, t, " Rejecting unknown PPP LCP option
%d\n", type);
q = ppp_rej(s, b, sizeof(b), PPPLCP, &response, q, p, o);
}
x -= length;
q = ppp_rej(s, b, sizeof(b), PPPLCP, &response, q, p, o);
}
x -= length;
@@
-637,7
+635,7
@@
void processlcp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
else
{
// Send packet back as ConfigAck
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;
}
if (!response) return;
*response = ConfigAck;
}
@@
-645,7
+643,7
@@
void processlcp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
switch (session[s].ppp.lcp)
{
case Closed:
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);
if (!response) return;
*response = TerminateAck;
*((uint16_t *) (response + 2)) = htons(l = 4);
@@
-669,7
+667,7
@@
void processlcp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
case AckReceived:
if (*response == ConfigAck)
case AckReceived:
if (*response == ConfigAck)
- lcp_open(
t, s
);
+ lcp_open(
s, t
);
break;
break;
@@
-687,11
+685,13
@@
void processlcp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
break;
default:
break;
default:
- LOG(
3
, s, t, "LCP: ignoring %s in state %s\n", ppp_code(*p), ppp_state(session[s].ppp.lcp));
+ LOG(
2
, s, t, "LCP: ignoring %s in state %s\n", ppp_code(*p), ppp_state(session[s].ppp.lcp));
return;
}
return;
}
- LOG(3, s, t, "LCP: Sending %s\n", ppp_code(*response));
+ LOG(3, s, t, "LCP: send %s\n", ppp_code(*response));
+ if (config->debug > 3) dumplcp(response, l);
+
tunnelsend(b, l + (response - b), t);
}
else if (*p == ConfigNak)
tunnelsend(b, l + (response - b), t);
}
else if (*p == ConfigNak)
@@
-700,9
+700,6
@@
void processlcp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
uint8_t *o = (p + 4);
int authtype = -1;
uint8_t *o = (p + 4);
int authtype = -1;
- LOG(3, s, t, "LCP: ConfigNak (%d bytes)...\n", l);
- if (config->debug > 3) dumplcp(p, l);
-
while (x > 2)
{
int type = o[0];
while (x > 2)
{
int type = o[0];
@@
-765,10
+762,14
@@
void processlcp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
case Closed:
case Stopped:
{
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);
if (!response) return;
*response = TerminateAck;
*((uint16_t *) (response + 2)) = htons(l = 4);
+
+ LOG(3, s, t, "LCP: send %s\n", ppp_code(*response));
+ if (config->debug > 3) dumplcp(response, l);
+
tunnelsend(b, l + (response - b), t);
}
break;
tunnelsend(b, l + (response - b), t);
}
break;
@@
-780,7
+781,7
@@
void processlcp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
break;
case AckReceived:
break;
case AckReceived:
- LOG(
3
, s, t, "LCP: ConfigNak in state %s? Sending ConfigReq\n", ppp_state(session[s].ppp.lcp));
+ LOG(
2
, s, t, "LCP: ConfigNak in state %s? Sending ConfigReq\n", ppp_state(session[s].ppp.lcp));
sendlcp(s, t, sess_local[s].lcp_authtype);
break;
sendlcp(s, t, sess_local[s].lcp_authtype);
break;
@@
-790,16
+791,19
@@
void processlcp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
break;
default:
break;
default:
- LOG(
3
, s, t, "LCP: ignoring %s in state %s\n", ppp_code(*p), ppp_state(session[s].ppp.lcp));
+ LOG(
2
, s, t, "LCP: ignoring %s in state %s\n", ppp_code(*p), ppp_state(session[s].ppp.lcp));
return;
}
}
else if (*p == TerminateReq)
{
return;
}
}
else if (*p == TerminateReq)
{
- LOG(3, s, t, "LCP: Received TerminateReq. Sending TerminateAck\n");
*p = TerminateAck; // close
*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;
if (!q) return;
+
+ LOG(3, s, t, "LCP: send %s\n", ppp_code(*q));
+ if (config->debug > 3) dumplcp(q, l);
+
tunnelsend(b, l + (q - b), t); // send it
sessionshutdown(s, "Remote end closed connection.", 3, 0);
}
tunnelsend(b, l + (q - b), t); // send it
sessionshutdown(s, "Remote end closed connection.", 3, 0);
}
@@
-823,11
+827,14
@@
void processlcp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
}
else if (*p == EchoReq)
{
}
else if (*p == EchoReq)
{
- LOG(5, s, t, "LCP: Received EchoReq. Sending EchoReply\n");
*p = EchoReply; // reply
*(uint32_t *) (p + 4) = htonl(session[s].magic); // our magic number
*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;
if (!q) return;
+
+ LOG(4, s, t, "LCP: send %s\n", ppp_code(*q));
+ if (config->debug > 3) dumplcp(q, l);
+
tunnelsend(b, l + (q - b), t); // send it
}
else if (*p == EchoReply)
tunnelsend(b, l + (q - b), t); // send it
}
else if (*p == EchoReply)
@@
-844,17
+851,20
@@
void processlcp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
if (l > mru) l = mru;
*p = CodeRej;
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;
if (!q) return;
- LOG(3, s, t, "Unexpected LCP code %s\n", ppp_code(code));
+ LOG(2, s, t, "Unexpected LCP code %s\n", ppp_code(code));
+ LOG(3, s, t, "LCP: send %s\n", ppp_code(*q));
+ if (config->debug > 3) dumplcp(q, l);
+
tunnelsend(b, l + (q - b), t);
}
}
tunnelsend(b, l + (q - b), t);
}
}
-static void ipcp_open(
tunnelidt t, sessionidt s
)
+static void ipcp_open(
sessionidt s, tunnelidt t
)
{
{
- LOG(3, s, t, "IPCP
Ack
ed, session is now active\n");
+ LOG(3, s, t, "IPCP
: Open
ed, session is now active\n");
change_state(s, ipcp, Opened);
change_state(s, ipcp, Opened);
@@
-868,13
+878,13
@@
static void ipcp_open(tunnelidt t, sessionidt s)
// start IPv6 if configured and still in passive state
if (session[s].ppp.ipv6cp == Stopped)
{
// 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
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;
{
uint8_t b[MAXCONTROL];
uint8_t *q = 0;
@@
-904,6
+914,8
@@
void processipcp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
return;
}
return;
}
+ LOG(3, s, t, "IPCP: recv %s\n", ppp_code(*p));
+
if (*p == ConfigAck)
{
switch (session[s].ppp.ipcp)
if (*p == ConfigAck)
{
switch (session[s].ppp.ipcp)
@@
-915,17
+927,17
@@
void processipcp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
case AckReceived:
case Opened:
case AckReceived:
case Opened:
- LOG(
3
, s, t, "IPCP: ConfigAck in state %s? Sending ConfigReq\n", ppp_state(session[s].ppp.ipcp));
+ LOG(
2
, s, t, "IPCP: ConfigAck in state %s? Sending ConfigReq\n", ppp_state(session[s].ppp.ipcp));
sendipcp(s, t);
change_state(s, ipcp, RequestSent);
break;
case AckSent:
sendipcp(s, t);
change_state(s, ipcp, RequestSent);
break;
case AckSent:
- ipcp_open(
t, s
);
+ ipcp_open(
s, t
);
break;
default:
break;
default:
- LOG(
3
, s, t, "IPCP: ignoring %s in state %s\n", ppp_code(*p), ppp_state(session[s].ppp.ipcp));
+ LOG(
2
, s, t, "IPCP: ignoring %s in state %s\n", ppp_code(*p), ppp_state(session[s].ppp.ipcp));
}
}
else if (*p == ConfigReq)
}
}
else if (*p == ConfigReq)
@@
-936,8
+948,6
@@
void processipcp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
int gotip = 0;
in_addr_t addr;
int gotip = 0;
in_addr_t addr;
- LOG(4, s, t, "IPCP ConfigReq received\n");
-
while (length > 2)
{
switch (*o)
while (length > 2)
{
switch (*o)
@@
-1001,7
+1011,7
@@
void processipcp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
else if (gotip)
{
// Send packet back as ConfigAck
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;
}
if (!response) return;
*response = ConfigAck;
}
@@
-1015,7
+1025,7
@@
void processipcp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
switch (session[s].ppp.ipcp)
{
case Closed:
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);
if (!response) return;
*response = TerminateAck;
*((uint16_t *) (response + 2)) = htons(l = 4);
@@
-1039,7
+1049,7
@@
void processipcp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
case AckReceived:
if (*response == ConfigAck)
case AckReceived:
if (*response == ConfigAck)
- ipcp_open(
t, s
);
+ ipcp_open(
s, t
);
break;
break;
@@
-1057,19
+1067,19
@@
void processipcp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
break;
default:
break;
default:
- LOG(
3
, s, t, "IPCP: ignoring %s in state %s\n", ppp_code(*p), ppp_state(session[s].ppp.ipcp));
+ LOG(
2
, s, t, "IPCP: ignoring %s in state %s\n", ppp_code(*p), ppp_state(session[s].ppp.ipcp));
return;
}
return;
}
- LOG(3, s, t, "IPCP:
Sending
%s\n", ppp_code(*response));
+ LOG(3, s, t, "IPCP:
send
%s\n", ppp_code(*response));
tunnelsend(b, l + (response - b), t);
}
else if (*p == TerminateReq)
{
tunnelsend(b, l + (response - b), t);
}
else if (*p == TerminateReq)
{
- LOG(3, s, t, "IPCP: Received TerminateReq. Sending TerminateAck\n");
*p = TerminateAck;
*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;
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);
change_state(s, ipcp, Stopped);
}
@@
-1083,28
+1093,29
@@
void processipcp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
if (l > mru) l = mru;
*p = CodeRej;
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;
if (!q) return;
- LOG(3, s, t, "Unexpected IPCP code %s\n", ppp_code(code));
+ LOG(2, s, t, "Unexpected IPCP code %s\n", ppp_code(code));
+ LOG(3, s, t, "IPCP: send %s\n", ppp_code(*q));
tunnelsend(b, l + (q - b), t);
}
}
tunnelsend(b, l + (q - b), t);
}
}
-static void ipv6cp_open(
tunnelidt t, sessionidt s
)
+static void ipv6cp_open(
sessionidt s, tunnelidt t
)
{
{
- LOG(3, s, t, "IPV6CP
Ack
ed\n");
+ LOG(3, s, t, "IPV6CP
: Open
ed\n");
change_state(s, ipv6cp, Opened);
if (session[s].ipv6prefixlen)
route6set(s, session[s].ipv6route, session[s].ipv6prefixlen, 1);
// Send an initial RA (TODO: Should we send these regularly?)
change_state(s, ipv6cp, Opened);
if (session[s].ipv6prefixlen)
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
}
// 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;
{
uint8_t b[MAXCONTROL];
uint8_t *q = 0;
@@
-1134,11
+1145,13
@@
void processipv6cp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
return;
}
return;
}
+ LOG(3, s, t, "IPV6CP: recv %s\n", ppp_code(*p));
+
if (!config->ipv6_prefix.s6_addr[0])
{
if (!config->ipv6_prefix.s6_addr[0])
{
- LOG(2, s, t, "IPV6CP %s rejected (not configured)\n", ppp_code(*p));
+ LOG(2, s, t, "IPV6CP
:
%s rejected (not configured)\n", ppp_code(*p));
*p = ProtocolRej;
*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;
if (!q) return;
tunnelsend(b, l + (q - b), t);
return;
@@
-1161,17
+1174,17
@@
void processipv6cp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
case AckReceived:
case Opened:
case AckReceived:
case Opened:
- LOG(
3
, s, t, "IPV6CP: ConfigAck in state %s? Sending ConfigReq\n", ppp_state(session[s].ppp.ipv6cp));
+ LOG(
2
, s, t, "IPV6CP: ConfigAck in state %s? Sending ConfigReq\n", ppp_state(session[s].ppp.ipv6cp));
sendipv6cp(s, t);
change_state(s, ipv6cp, RequestSent);
break;
case AckSent:
sendipv6cp(s, t);
change_state(s, ipv6cp, RequestSent);
break;
case AckSent:
- ipv6cp_open(
t, s
);
+ ipv6cp_open(
s, t
);
break;
default:
break;
default:
- LOG(
3
, s, t, "IPV6CP: ignoring %s in state %s\n", ppp_code(*p), ppp_state(session[s].ppp.ipv6cp));
+ LOG(
2
, s, t, "IPV6CP: ignoring %s in state %s\n", ppp_code(*p), ppp_state(session[s].ppp.ipv6cp));
}
}
else if (*p == ConfigReq)
}
}
else if (*p == ConfigReq)
@@
-1182,8
+1195,6
@@
void processipv6cp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
int gotip = 0;
uint8_t ident[8];
int gotip = 0;
uint8_t ident[8];
- LOG(4, s, t, "IPV6CP ConfigReq received\n");
-
while (length > 2)
{
switch (*o)
while (length > 2)
{
switch (*o)
@@
-1221,7
+1232,7
@@
void processipv6cp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
else if (gotip)
{
// Send packet back as ConfigAck
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;
}
if (!response) return;
*response = ConfigAck;
}
@@
-1235,7
+1246,7
@@
void processipv6cp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
switch (session[s].ppp.ipv6cp)
{
case Closed:
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);
if (!response) return;
*response = TerminateAck;
*((uint16_t *) (response + 2)) = htons(l = 4);
@@
-1259,7
+1270,7
@@
void processipv6cp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
case AckReceived:
if (*response == ConfigAck)
case AckReceived:
if (*response == ConfigAck)
- ipv6cp_open(
t, s
);
+ ipv6cp_open(
s, t
);
break;
break;
@@
-1277,19
+1288,19
@@
void processipv6cp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
break;
default:
break;
default:
- LOG(
3
, s, t, "IPV6CP: ignoring %s in state %s\n", ppp_code(*p), ppp_state(session[s].ppp.ipv6cp));
+ LOG(
2
, s, t, "IPV6CP: ignoring %s in state %s\n", ppp_code(*p), ppp_state(session[s].ppp.ipv6cp));
return;
}
return;
}
- LOG(3, s, t, "IPV6CP:
Sending
%s\n", ppp_code(*response));
+ LOG(3, s, t, "IPV6CP:
send
%s\n", ppp_code(*response));
tunnelsend(b, l + (response - b), t);
}
else if (*p == TerminateReq)
{
tunnelsend(b, l + (response - b), t);
}
else if (*p == TerminateReq)
{
- LOG(3, s, t, "IPV6CP: Received TerminateReq. Sending TerminateAck\n");
*p = TerminateAck;
*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;
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);
change_state(s, ipv6cp, Stopped);
}
@@
-1303,10
+1314,11
@@
void processipv6cp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
if (l > mru) l = mru;
*p = CodeRej;
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;
if (!q) return;
- LOG(3, s, t, "Unexpected IPV6CP code %s\n", ppp_code(code));
+ LOG(2, s, t, "Unexpected IPV6CP code %s\n", ppp_code(code));
+ LOG(3, s, t, "IPV6CP: send %s\n", ppp_code(*q));
tunnelsend(b, l + (q - b), t);
}
}
tunnelsend(b, l + (q - b), t);
}
}
@@
-1315,7
+1327,7
@@
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]).
//
// 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;
{
in_addr_t ip;
@@
-1401,7
+1413,7
@@
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]).
//
// 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;
{
struct in6_addr ip;
in_addr_t ipv4;
@@
-1438,7
+1450,7
@@
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");
*(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;
}
return;
}
@@
-1535,7
+1547,7
@@
void send_ipin(sessionidt s, uint8_t *buf, int len)
// Process CCP messages
// 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;
{
uint8_t b[MAXCONTROL];
uint8_t *q;
@@
-1556,6
+1568,7
@@
void processccp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
STAT(tunnel_rx_errors);
}
STAT(tunnel_rx_errors);
}
+ LOG(3, s, t, "CCP: recv %s\n", ppp_code(*p));
if (*p == ConfigAck)
{
switch (session[s].ppp.ccp)
if (*p == ConfigAck)
{
switch (session[s].ppp.ccp)
@@
-1567,18
+1580,18
@@
void processccp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
case AckReceived:
case Opened:
case AckReceived:
case Opened:
- LOG(
3
, s, t, "CCP: ConfigAck in state %s? Sending ConfigReq\n", ppp_state(session[s].ppp.ccp));
+ LOG(
2
, s, t, "CCP: ConfigAck in state %s? Sending ConfigReq\n", ppp_state(session[s].ppp.ccp));
sendccp(s, t);
change_state(s, ccp, RequestSent);
break;
case AckSent:
sendccp(s, t);
change_state(s, ccp, RequestSent);
break;
case AckSent:
- LOG(3, s, t, "CCP
Ack
ed\n");
+ LOG(3, s, t, "CCP
: Open
ed\n");
change_state(s, ccp, Opened);
break;
default:
change_state(s, ccp, Opened);
break;
default:
- LOG(
3
, s, t, "CCP: ignoring %s in state %s\n", ppp_code(*p), ppp_state(session[s].ppp.ccp));
+ LOG(
2
, s, t, "CCP: ignoring %s in state %s\n", ppp_code(*p), ppp_state(session[s].ppp.ccp));
}
}
else if (*p == ConfigReq)
}
}
else if (*p == ConfigReq)
@@
-1588,13
+1601,13
@@
void processccp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
else // compression requested--reject
*p = ConfigRej;
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:
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);
if (!q) return;
*q = TerminateAck;
*((uint16_t *) (q + 2)) = htons(l = 4);
@@
-1636,19
+1649,19
@@
void processccp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
break;
default:
break;
default:
- LOG(
3
, s, t, "CCP: ignoring %s in state %s\n", ppp_code(*p), ppp_state(session[s].ppp.ccp));
+ LOG(
2
, s, t, "CCP: ignoring %s in state %s\n", ppp_code(*p), ppp_state(session[s].ppp.ccp));
return;
}
return;
}
- LOG(3, s, t, "CCP:
Sending
%s\n", ppp_code(*q));
+ LOG(3, s, t, "CCP:
send
%s\n", ppp_code(*q));
tunnelsend(b, l + (q - b), t);
}
else if (*p == TerminateReq)
{
tunnelsend(b, l + (q - b), t);
}
else if (*p == TerminateReq)
{
- LOG(3, s, t, "CCP: Received TerminateReq. Sending TerminateAck\n");
*p = TerminateAck;
*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;
if (!q) return;
+ LOG(3, s, t, "CCP: send %s\n", ppp_code(*q));
tunnelsend(b, l + (q - b), t);
change_state(s, ccp, Stopped);
}
tunnelsend(b, l + (q - b), t);
change_state(s, ccp, Stopped);
}
@@
-1662,23
+1675,25
@@
void processccp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
if (l > mru) l = mru;
*p = CodeRej;
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;
if (!q) return;
- LOG(3, s, t, "Unexpected CCP code %s\n", ppp_code(code));
+ LOG(2, s, t, "Unexpected CCP code %s\n", ppp_code(code));
+ LOG(3, s, t, "CCP: send %s\n", ppp_code(*q));
tunnelsend(b, l + (q - b), t);
}
}
// send a CHAP challenge
tunnelsend(b, l + (q - b), t);
}
}
// send a CHAP challenge
-void sendchap(
tunnelidt t, sessionidt s
)
+void sendchap(
sessionidt s, tunnelidt t
)
{
uint8_t b[MAXCONTROL];
{
uint8_t b[MAXCONTROL];
- uint16_t r
= sess_local[s].radius
;
+ uint16_t r;
uint8_t *q;
CSTAT(sendchap);
uint8_t *q;
CSTAT(sendchap);
+ r = radiusnew(s);
if (!r)
{
LOG(1, s, t, "No RADIUS to send challenge\n");
if (!r)
{
LOG(1, s, t, "No RADIUS to send challenge\n");
@@
-1701,7
+1716,7
@@
void sendchap(tunnelidt t, sessionidt s)
STAT(tunnel_tx_errors);
return ;
}
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
if (!q) return;
*q = 1; // challenge
@@
-1716,7
+1731,7
@@
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
// 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!!
{
{
if (size < 12) // Need more space than this!!
{
@@
-1784,16
+1799,17
@@
static int add_lcp_auth(uint8_t *b, int size, int authtype)
}
// Send initial LCP ConfigReq for MRU, authentication type and magic no
}
// 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;
{
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;
return;
- LOG(4, s, t, "Sending LCP ConfigReq%s%s\n",
- authtype ? " for " : "",
- authtype ? (authtype == AUTHCHAP ? "CHAP" : "PAP") : "");
+ LOG(3, s, t, "LCP: send ConfigReq%s%s%s\n",
+ authtype ? " (" : "",
+ authtype ? (authtype == AUTHCHAP ? "CHAP" : "PAP") : "",
+ authtype ? ")" : "");
if (!session[s].mru)
session[s].mru = DEFAULT_MRU;
if (!session[s].mru)
session[s].mru = DEFAULT_MRU;
@@
-1817,18
+1833,21
@@
void sendlcp(tunnelidt t, sessionidt s, int authtype)
*(uint16_t *)(q + 2) = htons(l - q); // Length
LOG_HEX(5, "PPPLCP", q, l - q);
*(uint16_t *)(q + 2) = htons(l - q); // Length
LOG_HEX(5, "PPPLCP", q, l - q);
+ if (config->debug > 3) dumplcp(q, l - q);
+
tunnelsend(b, (l - b), t);
}
// Send CCP request for no compression
tunnelsend(b, (l - b), t);
}
// Send CCP request for no compression
-void sendccp(
tunnelidt t, sessionidt s
)
+void sendccp(
sessionidt s, tunnelidt t
)
{
uint8_t b[500], *q;
{
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;
return;
- LOG(4, s, t, "Sending CCP ConfigReq for no compression\n");
+ LOG(3, s, t, "CCP: send ConfigReq (no compression)\n");
+
*q = ConfigReq;
*(uint8_t *)(q + 1) = (time_now % 255) + 1; // ID
*(uint16_t *)(q + 2) = htons(4); // Length
*q = ConfigReq;
*(uint8_t *)(q + 1) = (time_now % 255) + 1; // ID
*(uint16_t *)(q + 2) = htons(4); // Length
projects / l2tpns.git / blobdiff