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authorFelix Fietkau <nbd@openwrt.org>2008-12-24 10:42:12 +0000
committerFelix Fietkau <nbd@openwrt.org>2008-12-24 10:42:12 +0000
commit073a2a82844a0ff3fbe844c9c19be258bfb4d7fc (patch)
tree91368c1d3b51e419ca42ee0196df3553a19b976e /package/ead/src/ead-pcap.h
parentdbb49737c14b89d98d06d0173bca40e08d074524 (diff)
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add the 'ead' package (emergency access daemon),
which can provide remote access to your device, even if the ip and firewall settings are broken git-svn-id: svn://svn.openwrt.org/openwrt/trunk@13738 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'package/ead/src/ead-pcap.h')
-rw-r--r--package/ead/src/ead-pcap.h71
1 files changed, 71 insertions, 0 deletions
diff --git a/package/ead/src/ead-pcap.h b/package/ead/src/ead-pcap.h
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+++ b/package/ead/src/ead-pcap.h
@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 2001-2003, Adam Dunkels.
+ * All rights reserved.
+ *
+ * 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. The name of the author may not be used to endorse or promote
+ * products derived from this software without specific prior
+ * written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
+ *
+ * This file was part of the uIP TCP/IP stack.
+ *
+ */
+#ifndef __EAD_PCAP_H
+#define __EAD_PCAP_H
+
+#include <net/ethernet.h>
+#include <stdint.h>
+#include "ead.h"
+
+typedef uint8_t u8_t;
+typedef uint16_t u16_t;
+
+/* The UDP and IP headers. */
+struct ead_packet {
+ struct ether_header eh;
+ /* IP header. */
+ u8_t vhl,
+ tos,
+ len[2],
+ ipid[2],
+ ipoffset[2],
+ ttl,
+ proto;
+ u16_t ipchksum;
+ u16_t srcipaddr[2],
+ destipaddr[2];
+
+ /* UDP header. */
+ u16_t srcport,
+ destport;
+ u16_t udplen;
+ u16_t udpchksum;
+
+ struct ead_msg msg;
+} __attribute__((packed));
+
+#define UIP_PROTO_UDP 17
+#define UIP_IPH_LEN 20 /* Size of IP header */
+#define UIP_UDPH_LEN 8 /* Size of UDP header */
+#define UIP_IPUDPH_LEN (UIP_UDPH_LEN + UIP_IPH_LEN)
+
+#endif