/*
- * auth.c - PPP authentication and phase control.
+ * demand.c - Support routines for demand-dialling.
*
* Copyright (c) 1993 The Australian National University.
* All rights reserved.
*/
#ifndef lint
-static char rcsid[] = "$Id: demand.c,v 1.3 1996/05/28 00:37:53 paulus Exp $";
+static char rcsid[] = "$Id: demand.c,v 1.7 1997/11/27 06:08:26 paulus Exp $";
#endif
#include <stdio.h>
#include <sys/resource.h>
#include <sys/stat.h>
#include <sys/socket.h>
+#ifdef PPP_FILTER
#include <net/if.h>
#include <net/bpf.h>
+#include <pcap.h>
+#endif
#include "pppd.h"
#include "fsm.h"
ppp_send_config(0, PPP_MRU, (u_int32_t) 0, 0, 0);
ppp_recv_config(0, PPP_MRU, (u_int32_t) 0, 0, 0);
-#if 0
+#ifdef PPP_FILTER
set_filters(&pass_filter, &active_filter);
#endif
{
struct packet *pkt;
+ /* log_packet(frame, len, "from loop: ", LOG_DEBUG); */
if (len < PPP_HDRLEN)
return 0;
if ((PPP_PROTOCOL(frame) & 0x8000) != 0)
unsigned char *p;
int len;
{
- return 1; /* for now */
+ int proto, i;
+ struct protent *protp;
+
+ if (len < PPP_HDRLEN)
+ return 0;
+ proto = PPP_PROTOCOL(p);
+#ifdef PPP_FILTER
+ if (active_filter.bf_len != 0
+ && bpf_filter(active_filter.bf_insns, frame, len, len) == 0)
+ return 0;
+#endif
+ for (i = 0; (protp = protocols[i]) != NULL; ++i) {
+ if (protp->protocol < 0xC000 && (protp->protocol & ~0x8000) == proto) {
+ if (!protp->enabled_flag)
+ return 0;
+ if (protp->active_pkt == NULL)
+ return 1;
+ return (*protp->active_pkt)(p, len);
+ }
+ }
+ return 0; /* not a supported protocol !!?? */
}