diff options
author | pst <pst@FreeBSD.org> | 1996-08-19 20:34:12 +0000 |
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committer | pst <pst@FreeBSD.org> | 1996-08-19 20:34:12 +0000 |
commit | 97a804ef88319863cfa8146c068ec895f4ad8316 (patch) | |
tree | a0e1430e0d74185364854779b70e6d96aba9cf47 /contrib/tcpdump/print-ppp.c | |
download | FreeBSD-src-97a804ef88319863cfa8146c068ec895f4ad8316.zip FreeBSD-src-97a804ef88319863cfa8146c068ec895f4ad8316.tar.gz |
Virgin import of unmodified tcpdump v3.2.1 distribution from LBL.
Obtained from: ftp://ftp.ee.lbl.gov/tcpdump.tar.Z on 19-Aug-1996.
Diffstat (limited to 'contrib/tcpdump/print-ppp.c')
-rw-r--r-- | contrib/tcpdump/print-ppp.c | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/contrib/tcpdump/print-ppp.c b/contrib/tcpdump/print-ppp.c new file mode 100644 index 0000000..5436551 --- /dev/null +++ b/contrib/tcpdump/print-ppp.c @@ -0,0 +1,105 @@ +/* + * 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. */ +#define PPP_HDRLEN 4 + +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 |