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-rw-r--r--freebsd/contrib/tcpdump/print-frag6.c84
1 files changed, 84 insertions, 0 deletions
diff --git a/freebsd/contrib/tcpdump/print-frag6.c b/freebsd/contrib/tcpdump/print-frag6.c
new file mode 100644
index 00000000..5401de13
--- /dev/null
+++ b/freebsd/contrib/tcpdump/print-frag6.c
@@ -0,0 +1,84 @@
+#include <machine/rtems-bsd-user-space.h>
+
+/*
+ * 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[] _U_ =
+ "@(#) $Header: /tcpdump/master/tcpdump/print-frag6.c,v 1.20 2005-04-20 22:33:06 guy Exp $";
+#endif
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#ifdef INET6
+
+#include <tcpdump-stdinc.h>
+
+#include <stdio.h>
+
+#include "ip6.h"
+
+#include "interface.h"
+#include "addrtoname.h"
+#include "extract.h"
+
+int
+frag6_print(register const u_char *bp, register const u_char *bp2)
+{
+ register const struct ip6_frag *dp;
+ register const struct ip6_hdr *ip6;
+
+ dp = (const struct ip6_frag *)bp;
+ ip6 = (const struct ip6_hdr *)bp2;
+
+ TCHECK(dp->ip6f_offlg);
+
+ if (vflag) {
+ printf("frag (0x%08x:%d|%ld)",
+ EXTRACT_32BITS(&dp->ip6f_ident),
+ EXTRACT_16BITS(&dp->ip6f_offlg) & IP6F_OFF_MASK,
+ sizeof(struct ip6_hdr) + EXTRACT_16BITS(&ip6->ip6_plen) -
+ (long)(bp - bp2) - sizeof(struct ip6_frag));
+ } else {
+ printf("frag (%d|%ld)",
+ EXTRACT_16BITS(&dp->ip6f_offlg) & IP6F_OFF_MASK,
+ sizeof(struct ip6_hdr) + EXTRACT_16BITS(&ip6->ip6_plen) -
+ (long)(bp - bp2) - sizeof(struct ip6_frag));
+ }
+
+#if 1
+ /* it is meaningless to decode non-first fragment */
+ if ((EXTRACT_16BITS(&dp->ip6f_offlg) & IP6F_OFF_MASK) != 0)
+ return -1;
+ else
+#endif
+ {
+ fputs(" ", stdout);
+ return sizeof(struct ip6_frag);
+ }
+trunc:
+ fputs("[|frag]", stdout);
+ return -1;
+#undef TCHECK
+}
+#endif /* INET6 */