welterde/l2tpns
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

configure MRU in initlcp

Browse source
This commit is contained in:
Brendan O'Dea 2005-05-07 11:57:53 +00:00
parent ecd6721a85
commit 998f1c564e
3 changed files with 45 additions and 30 deletions
Download patch file Download diff file Expand all files Collapse all files

51
ppp.c
View file

@ -1,6 +1,6 @@
// L2TPNS PPP Stuff
char const *cvs_id_ppp = "$Id: ppp.c,v 1.50 2005-05-07 08:53:23 bodea Exp $";
char const *cvs_id_ppp = "$Id: ppp.c,v 1.51 2005-05-07 11:57:53 bodea Exp $";
#include <stdio.h>
#include <string.h>
@ -1195,39 +1195,48 @@ uint8_t *makeppp(uint8_t *b, int size, uint8_t *p, int l, tunnelidt t, sessionid
return b;
}
// Send initial LCP ConfigReq for PAP, set magic no.
// Send initial LCP ConfigReq for preferred authentication type, set magic no and MRU
void initlcp(tunnelidt t, sessionidt s)
{
char b[500], *q;
int size;
char b[500], *q, *l;
if (!(q = makeppp(b, sizeof(b), NULL, 0, t, s, PPPLCP)))
return;
LOG(4, s, t, "Sending LCP ConfigReq for PAP\n");
*q = ConfigReq;
*(uint8_t *)(q + 1) = (time_now % 255) + 1; // ID
*(uint16_t *)(q + 2) = htons(14); // Length
*(uint8_t *)(q + 4) = 5;
*(uint8_t *)(q + 5) = 6;
*(uint32_t *)(q + 6) = htonl(session[s].magic);
*(uint8_t *)(q + 10) = 3;
LOG(4, s, t, "Sending LCP ConfigReq for %s\n",
config->radius_authprefer == AUTHCHAP ? "CHAP" : "PAP");
if (!session[s].mru)
session[s].mru = DEFAULT_MRU;
l = q;
*l++ = ConfigReq;
*l++ = (time_now % 255) + 1; // ID
*l++ = 1; *l++ = 4; // Maximum-Receive-Unit (length 4)
*(uint16_t *) l = htons(session[s].mru); l += 2;
*l++ = 3; // Authentication-Protocol
if (config->radius_authprefer == AUTHCHAP)
{
*(uint8_t *)(q + 11) = 5;
*(uint16_t *)(q + 12) = htons(PPPCHAP);
*(uint8_t *)(q + 14) = 5; // MD5
size = 15;
*l++ = 5; // length
*(uint16_t *) l = htons(PPPCHAP); l += 2;
*l++ = 5; // MD5
}
else
{
*(uint8_t *)(q + 11) = 4;
*(uint16_t *)(q + 12) = htons(PPPPAP);
size = 14;
*l++ = 4; // length
*(uint16_t *) l = htons(PPPPAP); l += 2;
}
LOG_HEX(5, "PPPLCP", q, size);
tunnelsend(b, (q - b) + size, t);
*l++ = 5; *l++ = 6; // Magic-Number (length 6)
*(uint32_t *) l = htonl(session[s].magic);
l += 4;
*(uint16_t *)(q + 2) = htons(l - q); // Length
LOG_HEX(5, "PPPLCP", q, l - q);
tunnelsend(b, (l - b), t);
}
// Send CCP request for no compression