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nmap/libnetutil/ICMPv6RRBody.h
david 9bf2ec3884 Merge from /nmap-exp/luis/nmap-os6.
svn merge --ignore-ancestry svn://svn.insecure.org/nmap@26621 svn://svn.insecure.org/nmap-exp/luis/nmap-os6

This is the IPv6 OS detection branch. "nmap -6 -O" works now, though at
this point it only prints fingerprints and not OS guesses, because we
need to collect more submissions.
2011-09-19 18:31:46 +00:00

232 lines
13 KiB
C++
Executable File

/***************************************************************************
* ICMPv6RRBody.cc -- The ICMPv6RRBody Class represents an ICMP version 6 *
* Router Renumbering message body. It contains methods to set any header *
* field. In general, these methods do error checkings and byte order *
* conversions. *
* *
***********************IMPORTANT NMAP LICENSE TERMS************************
* *
* The Nmap Security Scanner is (C) 1996-2011 Insecure.Com LLC. Nmap is *
* also a registered trademark of Insecure.Com LLC. This program is free *
* software; you may redistribute and/or modify it under the terms of the *
* GNU General Public License as published by the Free Software *
* Foundation; Version 2 with the clarifications and exceptions described *
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***************************************************************************/
/* This code was originally part of the Nping tool. */
#ifndef ICMPv6HEADER_H
#define ICMPv6HEADER_H 1
#include "NetworkLayerElement.h"
/* Packet header diagrams included in this file have been taken from the
* following IETF RFC documents: RFC 2894 */
/* Nping ICMPv6RRBody Class internal definitions */
#define ICMPv6_RR_MATCH_PREFIX_LEN 24
#define ICMPv6_RR_USE_PREFIX_LEN 32
#define ICMPv6_RR_RESULT_MSG_LEN 24
/* This must the MAX() of all values defined above*/
#define ICMPv6_RR_MAX_LENGTH (ICMPv6_RR_USE_PREFIX_LEN)
#define ICMPv6_RR_MIN_LENGTH (ICMPv6_RR_MATCH_PREFIX_LEN)
class ICMPv6RRBody : public NetworkLayerElement {
private:
/**********************************************************************/
/* COMMON ICMPv6 OPTION HEADER */
/**********************************************************************/
struct nping_icmpv6_rr_body{
u8 data[ICMPv6_RR_MAX_LENGTH];
}__attribute__((__packed__));
typedef struct nping_icmpv6_rr_body nping_icmpv6_rr_body_t;
/**********************************************************************/
/* ICMPv6 OPTION FORMATS */
/**********************************************************************/
/* Match-Prefix Part
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| OpCode | OpLength | Ordinal | MatchLen |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| MinLen | MaxLen | reserved |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| |
+- -+
| |
+- MatchPrefix -+
| |
+- -+
| |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
*/
struct rr_match_prefix{
u8 op_code;
u8 op_length;
u8 ordinal;
u8 match_length;
u8 min_length;
u8 max_length;
u16 reserved;
u8 match_prefix[16];
}__attribute__((__packed__));
typedef struct rr_match_prefix rr_match_prefix_t;
/* Use-Prefix Part
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| UseLen | KeepLen | FlagMask | RAFlags |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Valid Lifetime |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Preferred Lifetime |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|V|P| reserved |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| |
+- -+
| |
+- UsePrefix -+
| |
+- -+
| |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
*/
struct rr_use_prefix{
u8 use_len;
u8 keep_len;
u8 flag_mask;
u8 ra_flags;
u32 valid_lifetime;
u32 preferred_lifetime;
u8 flags;
u8 reserved[3];
u8 use_prefix[16];
}__attribute__((__packed__));
typedef struct rr_use_prefix rr_use_prefix_t;
/* Result Message
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| reserved |B|F| Ordinal | MatchedLen |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| InterfaceIndex |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| |
+- -+
| |
+- MatchedPrefix -+
| |
+- -+
| |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ */
struct rr_result_msg{
u8 reserved;
u8 flags;
u8 ordinal;
u8 matched_length;
u32 interface_index;
u8 matched_prefix[16];
}__attribute__((__packed__));
typedef struct rr_result_msg rr_result_msg_t;
nping_icmpv6_rr_body_t h;
rr_match_prefix_t *h_mp;
rr_use_prefix_t *h_up;
rr_result_msg_t *h_r;
public:
ICMPv6RRBody();
~ICMPv6RRBody();
void reset();
u8 *getBufferPointer();
int storeRecvData(const u8 *buf, size_t len);
}; /* End of class ICMPv6RRBody */
#endif