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--- /home/krion/packetize.c Thu Apr 15 09:32:58 2004
+++ packetize.c Fri Mar 26 03:29:20 2004
@@ -1,6 +1,7 @@
/* packetize.c
- * Copyright 2002-2003 Kirby Kuehl (vacuum@users.sourceforge.net)
- * This file is part of pixilate http://winfingerprint.sourceforge.net/pixilate.php
+ * Copyright 2002-2004 Kirby Kuehl (vacuum@users.sourceforge.net)
+ * This file is part of pixilate
+ * http://winfingerprint.sourceforge.net/pixilate.php
*
* pixilate is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -66,24 +67,15 @@
icmp_header_len = LIBNET_ICMPV4_ECHO_H;
break;
- case 3: // icmp type 3 literal unreachable
+ case 3: /* icmp type 3 literal unreachable */
icmp = libnet_build_icmpv4_unreach(
- ICMP_UNREACH, //type
- ICMP_UNREACH_PORT, // code
- 0, // 0 libnet calculate checksum
- LIBNET_IPV4_H + LIBNET_UDP_H, // original ip header id
- IPTOS_LOWDELAY | IPTOS_THROUGHPUT, // original ip header frag info
- pacl->id, // o IP ID
- 0, // o frag
- 64, // o TTL
- IPPROTO_UDP, // o protocol
- 0x7012, // o checksum
- pacl->source_addr, // o source IP
- pacl->destination_addr, // o destination IP
- pacl->payload, // payload
- pacl->payload_s, // payload size
- l, // libnet handle
- 0); //create new ptag
+ ICMP_UNREACH, /* type */
+ ICMP_UNREACH_PORT, /* code */
+ 0, /* 0 libnet calculate checksum */
+ pacl->payload, /* payload */
+ pacl->payload_s, /* payload size */
+ l, /* libnet handle */
+ 0); /* 0 create new ptag */
if(icmp == -1)
fprintf(stderr,"Unable to build icmp unreach packet :%s\n",
libnet_geterror(l));
@@ -92,25 +84,16 @@
icmp_header_len = LIBNET_ICMPV4_UNREACH_H;
break;
- case 5: // icmp type 5 literal redirect
+ case 5: /* icmp type 5 literal redirect */
icmp = libnet_build_icmpv4_redirect(
- ICMP_REDIRECT, //type
- ICMP_UNREACH_HOST, //code
- 0, //0 lets libnet calculate checksum
- pacl->gateway_addr, // gateway
- LIBNET_TCP_H, // orig_len
- IPTOS_LOWDELAY | IPTOS_THROUGHPUT, //original TOS
- 111, // orig_id
- 0, // orig_frag
- 64, // orig_ttl
- IPPROTO_TCP, // original protocol
- 0, // orig_checksum shouldnt be 0
- pacl->source_addr, // orig_src
- pacl->destination_addr, // orig_dst
- pacl->payload, // payload
- pacl->payload_s, // payload size
- l, // libnet handle
- 0); // create new ptag
+ ICMP_REDIRECT, /* type */
+ ICMP_UNREACH_HOST, /* code */
+ 0, /*0 lets libnet calculate checksum */
+ pacl->gateway_addr, /* gateway */
+ pacl->payload, /* payload */
+ pacl->payload_s, /* payload size */
+ l, /* libnet handle */
+ 0); /* 0 create new ptag */
icmp_header_len = LIBNET_ICMPV4_REDIRECT_H;
break;
case 8: // icmp type 8 literal echo
@@ -132,24 +115,15 @@
icmp_header_len = LIBNET_ICMPV4_ECHO_H;
break;
- case 11: // icmp type 11 literal time-exceeded
+ case 11: /* icmp type 11 literal time-exceeded */
icmp = libnet_build_icmpv4_timeexceed(
- ICMP_TIMXCEED, //type
- ICMP_TIMXCEED_INTRANS, //code
- 0, // 0 lets libnet calculate checksum
- LIBNET_TCP_H, // original length
- IPTOS_LOWDELAY | IPTOS_THROUGHPUT, //original TOS
- 111, // original header id
- 0, // original header fragmentation
- 64, // original TTL
- IPPROTO_TCP, // original protocol
- 0, // original checksum (shouldnt be 0)
- pacl->source_addr, // original source address
- pacl->destination_addr, // original destination address
- pacl->payload, // payload
- pacl->payload_s, // payload size
- l, // libnet handle
- 0); // create new ptag
+ ICMP_TIMXCEED, /* type */
+ ICMP_TIMXCEED_INTRANS, /* code */
+ 0, /* 0 lets libnet calculate checksum */
+ pacl->payload, /* payload */
+ pacl->payload_s, /* payload size */
+ l, /* libnet handle */
+ 0); /* create new ptag */
icmp_header_len = LIBNET_ICMPV4_TIMXCEED_H;
break;
case 13: // icmp type 13 literal timestamp-reply
@@ -433,7 +407,8 @@
0 // packet id
);
- break; */
+ break;
+*/
default: // try our best to generate "other" protocols automatically
if(pacl->protocol == 41)
{
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