Adding upstream version 4.99.4.upstream/4.99.4

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 104 insertions, 0 deletions

diff --git a/print-mobile.c b/print-mobile.c
new file mode 100644
index 0000000..528da79
--- /dev/null
+++ b/print-mobile.c
@@ -0,0 +1,104 @@
+/*	$NetBSD: print-mobile.c,v 1.2 1998/09/30 08:57:01 hwr Exp $ */
+
+/*
+ * (c) 1998 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Heiko W.Rupp <hwr@pilhuhn.de>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *        This product includes software developed by the NetBSD
+ *        Foundation, Inc. and its contributors.
+ * 4. Neither the name of The NetBSD Foundation 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 BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* \summary: IPv4 mobility printer */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "netdissect-stdinc.h"
+
+#include "netdissect.h"
+#include "addrtoname.h"
+#include "extract.h"
+
+#define MOBILE_SIZE (8)
+
+struct mobile_ip {
+	nd_uint16_t proto;
+	nd_uint16_t hcheck;
+	nd_uint32_t odst;
+	nd_uint32_t osrc;
+};
+
+#define OSRC_PRES	0x0080	/* old source is present */
+
+/*
+ * Deencapsulate and print a mobile-tunneled IP datagram
+ */
+void
+mobile_print(netdissect_options *ndo, const u_char *bp, u_int length)
+{
+	const struct mobile_ip *mob;
+	struct cksum_vec vec[1];
+	u_short proto,crc;
+	u_char osp =0;			/* old source address present */
+
+	ndo->ndo_protocol = "mobile";
+	mob = (const struct mobile_ip *)bp;
+
+	if (length < MOBILE_SIZE || !ND_TTEST_SIZE(mob)) {
+		nd_print_trunc(ndo);
+		return;
+	}
+	ND_PRINT("mobile: ");
+
+	proto = GET_BE_U_2(mob->proto);
+	crc =  GET_BE_U_2(mob->hcheck);
+	if (proto & OSRC_PRES) {
+		osp=1;
+	}
+
+	if (osp)  {
+		ND_PRINT("[S] ");
+		if (ndo->ndo_vflag)
+			ND_PRINT("%s ", GET_IPADDR_STRING(mob->osrc));
+	} else {
+		ND_PRINT("[] ");
+	}
+	if (ndo->ndo_vflag) {
+		ND_PRINT("> %s ", GET_IPADDR_STRING(mob->odst));
+		ND_PRINT("(oproto=%u)", proto>>8);
+	}
+	vec[0].ptr = (const uint8_t *)(const void *)mob;
+	vec[0].len = osp ? 12 : 8;
+	if (in_cksum(vec, 1)!=0) {
+		ND_PRINT(" (bad checksum %u)", crc);
+	}
+}