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- /*
- * Copyright (c) 1990, 1991, 1993, 1994, 1995, 1996
- * The Regents of the University of California. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that: (1) source code distributions
- * retain the above copyright notice and this paragraph in its entirety, (2)
- * distributions including binary code include the above copyright notice and
- * this paragraph in its entirety in the documentation or other materials
- * provided with the distribution, and (3) all advertising materials mentioning
- * features or use of this software display the following acknowledgement:
- * ``This product includes software developed by the University of California,
- * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
- * the University nor the names of its contributors may be used to endorse
- * or promote products derived from this software without specific prior
- * written permission.
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- */
-
- #ifndef lint
- static char rcsid[] =
- "@(#)$Header: print-ppp.c,v 1.22 96/07/14 19:39:03 leres Exp $ (LBL)";
- #endif
-
- #ifdef PPP
- #include <sys/param.h>
- #include <sys/time.h>
- #include <sys/socket.h>
- #include <sys/file.h>
- #include <sys/ioctl.h>
-
- #if __STDC__
- struct mbuf;
- struct rtentry;
- #endif
- #include <net/if.h>
-
- #include <netinet/in.h>
- #include <netinet/in_systm.h>
- #include <netinet/ip.h>
-
- #include <ctype.h>
- #include <netdb.h>
- #include <pcap.h>
- #include <signal.h>
- #include <stdio.h>
-
- #include "interface.h"
- #include "addrtoname.h"
-
- /* XXX This goes somewhere else. */
- #ifdef __EMX__
- #define PPP_HDRLEN 0
- #else
- #define PPP_HDRLEN 4
- #endif
-
- void
- ppp_if_print(u_char *user, const struct pcap_pkthdr *h,
- register const u_char *p)
- {
- register u_int length = h->len;
- register u_int caplen = h->caplen;
- const struct ip *ip;
-
- ts_print(&h->ts);
-
- if (caplen < PPP_HDRLEN) {
- printf("[|ppp]");
- goto out;
- }
-
- /*
- * Some printers want to get back at the link level addresses,
- * and/or check that they're not walking off the end of the packet.
- * Rather than pass them all the way down, we set these globals.
- */
- packetp = p;
- snapend = p + caplen;
-
- if (eflag)
- printf("%c %4d %02x %04x: ", p[0] ? 'O' : 'I', length,
- p[1], ntohs(*(u_short *)&p[2]));
-
- length -= PPP_HDRLEN;
- ip = (struct ip *)(p + PPP_HDRLEN);
- ip_print((const u_char *)ip, length);
-
- if (xflag)
- default_print((const u_char *)ip, caplen - PPP_HDRLEN);
- out:
- putchar('\n');
- }
- #else
- #include <sys/types.h>
- #include <sys/time.h>
-
- #include <stdio.h>
-
- #include "interface.h"
- void
- ppp_if_print(u_char *user, const struct pcap_pkthdr *h, const u_char *p)
- {
- error("not configured for ppp");
- /* NOTREACHED */
- }
- #endif
-