/*
- * 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 1.4 1996/07/01 01:12:52 paulus Exp $";
#endif
#include <stdio.h>
#include <sys/stat.h>
#include <sys/socket.h>
#include <net/if.h>
-#include <net/bpf.h>
#include "pppd.h"
#include "fsm.h"
* decide whether to bring up the link or not, and, if we want
* to transmit this frame later, put it on the pending queue.
* Return value is 1 if we need to bring up the link, 0 otherwise.
- * We assume that the kernel driver has already applied the
- * pass_filter, so we won't get packets it rejected.
- * We apply the active_filter to see if we want this packet to
- * bring up the link.
*/
int
loop_frame(frame, len)
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);
+ 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 !!?? */
}