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authorJakob Schlyter <jakob@cvs.openbsd.org>2000-04-26 21:35:45 +0000
committerJakob Schlyter <jakob@cvs.openbsd.org>2000-04-26 21:35:45 +0000
commit2dd23c23770ee72b2c221e1b8ddf74531cf67e15 (patch)
tree6bc2e589e5c398c416d7cd4014d0d050bdcea861 /usr.sbin/tcpdump/print-rt6.c
parent7ffa8e1885137bf28c6c378169c6dc323b6dbbe2 (diff)
INET6
DHCP/BOOTP tcp & udp checksum detection numerous bugfixes
Diffstat (limited to 'usr.sbin/tcpdump/print-rt6.c')
-rw-r--r--usr.sbin/tcpdump/print-rt6.c121
1 files changed, 121 insertions, 0 deletions
diff --git a/usr.sbin/tcpdump/print-rt6.c b/usr.sbin/tcpdump/print-rt6.c
new file mode 100644
index 00000000000..324cb07090b
--- /dev/null
+++ b/usr.sbin/tcpdump/print-rt6.c
@@ -0,0 +1,121 @@
+/* $OpenBSD: print-rt6.c,v 1.1 2000/04/26 21:35:42 jakob Exp $ */
+
+
+/*
+ * Copyright (c) 1988, 1989, 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 const char rcsid[] =
+ "@(#) /master/usr.sbin/tcpdump/tcpdump/print-icmp.c,v 2.1 1995/02/03 18:14:42 polk Exp (LBL)";
+#endif
+
+#ifdef INET6
+
+#include <sys/param.h>
+#include <sys/time.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+
+#include <net/if.h>
+
+#include <netinet/in.h>
+#include <netinet/if_ether.h>
+#include <netinet/in_systm.h>
+#include <netinet/ip.h>
+#include <netinet/ip_icmp.h>
+#include <netinet/ip_var.h>
+#include <netinet/udp.h>
+#include <netinet/udp_var.h>
+#include <netinet/tcp.h>
+
+#include <stdio.h>
+
+#include <netinet/ip6.h>
+
+#include "interface.h"
+#include "addrtoname.h"
+
+int
+rt6_print(register const u_char *bp, register const u_char *bp2)
+{
+ register const struct ip6_rthdr *dp;
+ register const struct ip6_rthdr0 *dp0;
+ register const struct ip6_hdr *ip;
+ register const u_char *ep;
+ int i, len;
+
+ dp = (struct ip6_rthdr *)bp;
+ ip = (struct ip6_hdr *)bp2;
+ len = dp->ip6r_len;
+
+ /* 'ep' points to the end of avaible data. */
+ ep = snapend;
+
+#if 0
+ printf("%s > %s: ",
+ ip6addr_string(&ip->ip6_src),
+ ip6addr_string(&ip->ip6_dst));
+#endif
+
+ TCHECK(dp->ip6r_segleft);
+
+ printf("srcrt (len=%d, ", dp->ip6r_len);
+ printf("type=%d, ", dp->ip6r_type);
+ printf("segleft=%d, ", dp->ip6r_segleft);
+
+ switch (dp->ip6r_type) {
+ case IPV6_RTHDR_TYPE_0:
+ dp0 = (struct ip6_rthdr0 *)dp;
+
+ TCHECK(dp0->ip6r0_reserved);
+ if (dp0->ip6r0_reserved || vflag) {
+ printf("rsv=0x%0x, ",
+ (u_int32_t)ntohl(dp0->ip6r0_reserved));
+ }
+
+ if (len % 2 == 1)
+ goto trunc;
+ len >>= 1;
+ for (i = 0; i < len; i++) {
+ struct in6_addr *addr;
+
+ addr = ((struct in6_addr *)(dp0 + 1)) + i;
+ if ((u_char *)addr > ep - sizeof(*addr))
+ goto trunc;
+
+ printf("[%d]%s", i, ip6addr_string((u_char *)addr));
+ if (i != len - 1)
+ printf(", ");
+
+ }
+ printf(")");
+ return((dp0->ip6r0_len + 1) << 3);
+ break;
+ default:
+ goto trunc;
+ break;
+ }
+
+ trunc:
+ fputs("[|srcrt]", stdout);
+ return 65535; /* XXX */
+}
+#endif /* INET6 */