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authorderaadt <deraadt@openbsd.org>1995-10-18 08:37:01 +0000
committerderaadt <deraadt@openbsd.org>1995-10-18 08:37:01 +0000
commitdf930be708d50e9715f173caa26ffe1b7599b157 (patch)
treeaa317e49e28cb999c9cf3db7f00c20903fe6010a /usr.sbin/tcpdump/print-ppp.c
downloadwireguard-openbsd-df930be708d50e9715f173caa26ffe1b7599b157.tar.xz
wireguard-openbsd-df930be708d50e9715f173caa26ffe1b7599b157.zip
initial import of NetBSD tree
Diffstat (limited to 'usr.sbin/tcpdump/print-ppp.c')
-rw-r--r--usr.sbin/tcpdump/print-ppp.c104
1 files changed, 104 insertions, 0 deletions
diff --git a/usr.sbin/tcpdump/print-ppp.c b/usr.sbin/tcpdump/print-ppp.c
new file mode 100644
index 00000000000..966e9f58782
--- /dev/null
+++ b/usr.sbin/tcpdump/print-ppp.c
@@ -0,0 +1,104 @@
+/* $NetBSD: print-ppp.c,v 1.3 1995/03/06 19:11:27 mycroft Exp $ */
+
+/*
+ * Copyright (c) 1990, 1991, 1993, 1994
+ * 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 1.18 94/06/10 17:01:37 mccanne 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>
+
+#include <net/if.h>
+
+#include <netinet/in.h>
+#include <netinet/in_systm.h>
+#include <netinet/ip.h>
+
+#include <ctype.h>
+#include <errno.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 int length = h->len;
+ register 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