// L2TPNS PPP Stuff
-char const *cvs_id_ppp = "$Id: ppp.c,v 1.8 2004/07/11 07:57:35 bodea Exp $";
+char const *cvs_id_ppp = "$Id: ppp.c,v 1.9 2004/08/02 03:38:01 fred_nerk Exp $";
#include <stdio.h>
#include <string.h>
{
int type = o[0];
int length = o[1];
- if (length == 0)
+ if (length < 2)
{
- log(4, 0, 0, 0, " Option length is 0...\n");
+ log(4, 0, 0, 0, " Option length is %d...\n", length);
break;
}
if (type == 0)
switch (type)
{
case 1: // Maximum-Receive-Unit
+ if (length == 4)
log(4, 0, 0, 0, " %s %d\n", lcp_types[type], ntohs(*(u16 *)(o + 2)));
+ else
+ log(4, 0, 0, 0, " %s odd length %d\n", lcp_types[type], length);
break;
case 3: // Authentication-Protocol
{
+ if (length == 4)
+ {
int proto = ntohs(*(u16 *)(o + 2));
- log(4, 0, 0, 0, " %s %s\n", lcp_types[type],
- proto == 0xC223 ? "CHAP" : "PAP");
+ log(4, 0, 0, 0, " %s 0x%x (%s)\n", lcp_types[type], proto,
+ proto == 0xC223 ? "CHAP" :
+ proto == 0xC023 ? "PAP" : "UNKNOWN");
+ }
+ else
+ log(4, 0, 0, 0, " %s odd length %d\n", lcp_types[type], length);
break;
}
case 4: // Quality-Protocol
}
case 5: // Magic-Number
{
+ if (length == 6)
+ {
u32 magicno = ntohl(*(u32 *)(o + 2));
log(4, 0, 0, 0, " %s %x\n", lcp_types[type], magicno);
+ }
+ else
+ log(4, 0, 0, 0, " %s odd length %d\n", lcp_types[type], length);
break;
}
case 7: // Protocol-Field-Compression
{
- u32 pfc = ntohl(*(u32 *)(o + 2));
- log(4, 0, 0, 0, " %s %x\n", lcp_types[type], pfc);
+ log(4, 0, 0, 0, " %s\n", lcp_types[type]);
break;
}
case 8: // Address-And-Control-Field-Compression
{
- u32 afc = ntohl(*(u32 *)(o + 2));
- log(4, 0, 0, 0, " %s %x\n", lcp_types[type], afc);
+ log(4, 0, 0, 0, " %s\n", lcp_types[type]);
break;
}
default:
if (*p == ConfigAck)
{
log(3, session[s].ip, s, t, "LCP: Discarding ConfigAck\n");
+ session[s].flags |= SESSIONLCPACK;
}
else if (*p == ConfigReq)
{
// Already built a ConfigNak... send it
log(3, session[s].ip, s, t, "Sending ConfigNak\n");
tunnelsend(b, l + (q - b), t);
-
- log(3, session[s].ip, s, t, "Sending ConfigReq, requesting PAP login\n");
- q = makeppp(b, sizeof(b), NULL, 0, t, s, PPPLCP);
- *q++ = ConfigReq;
- *(u8 *)(q++) = 3;
- *(u8 *)(q++) = 4;
- *(u16 *)(q += 2) = htons(0xC023);
- tunnelsend(b, l + (q - b), t);
}
+
+ if (!(session[s].flags & SESSIONLCPACK))
+ initlcp(t, s);
}
else if (*p == ConfigNak)
{