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l2tp: Add CHAP auth information in ICCN

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To support proxy auth.
This commit is contained in:
Samuel Thibault 2025-03-28 20:14:24 +01:00
parent 12cc3c39b0
commit 75144a546c
4 changed files with 26 additions and 4 deletions
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5
ppp.c
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@ -285,6 +285,9 @@ void processchap(sessionidt s, tunnelidt t, uint8_t *p, uint16_t l)
strncpy(session[s].user, packet.username, sizeof(session[s].user) - 1);
memcpy(radius[r].pass, packet.password, 16);
strncpy((char *) sess_local[s].auth_name, packet.username, sizeof(sess_local[s].auth_name) - 1);
memcpy(sess_local[s].auth_resp, packet.password, 16);
free(packet.username);
free(packet.password);
}
@ -432,7 +435,6 @@ void lcp_restart(sessionidt s)
sess_local[s].lcp_last_sent_confreq_n = 0;
sess_local[s].auth_type = 0;
sess_local[s].auth_name[0] = 0;
sess_local[s].auth_resp[0] = 0;
// This-Layer-Down
change_state(s, ipcp, Initial);
change_state(s, ipv6cp, Initial);
@ -2566,6 +2568,7 @@ void sendchap(sessionidt s, tunnelidt t)
q[1] = radius[r].id; // ID
q[4] = 16; // value size (size of challenge)
memcpy(q + 5, radius[r].auth, 16); // challenge
memcpy(sess_local[s].auth_chall, radius[r].auth, 16);
strcpy((char *) q + 21, config->multi_n_hostname[tunnel[t].indexudp][0]?config->multi_n_hostname[tunnel[t].indexudp]:hostname); // our name
*(uint16_t *) (q + 2) = htons(strlen(config->multi_n_hostname[tunnel[t].indexudp][0]?config->multi_n_hostname[tunnel[t].indexudp]:hostname) + 21); // length
tunnelsend(b, strlen(config->multi_n_hostname[tunnel[t].indexudp][0]?config->multi_n_hostname[tunnel[t].indexudp]:hostname) + 21 + (q - b), t); // send it