498 lines
15 KiB
C
498 lines
15 KiB
C
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/*
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* $smu-mark$
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* $name: hping2.h$
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* $author: Salvatore Sanfilippo <antirez@invece.org>$
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* $copyright: Copyright (C) 1999 by Salvatore Sanfilippo$
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* $license: This software is under GPL version 2 of license$
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* $date: Fri Nov 5 11:55:48 MET 1999$
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* $rev: 9$
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*/
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/* $Id: hping2.h,v 1.19 2003/08/07 23:55:55 antirez Exp $ */
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#ifndef _HPING2_H
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#define _HPING2_H
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include "byteorder.h"
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#include "systype.h"
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#ifdef __sun__
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typedef char int_8_t;
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typedef unsigned char u_int8_t;
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typedef short int_16_t;
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typedef unsigned short u_int16_t;
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typedef int int_32_t;
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typedef unsigned int u_int32_t;
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#endif
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/* types */
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#ifndef __u8
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#define __u8 u_int8_t
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#endif /* __u8 */
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#ifndef __u16
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#define __u16 u_int16_t
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#endif /* __u16 */
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#ifndef __u32
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#define __u32 u_int32_t
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#endif /* __u32 */
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#ifndef __uint8_t
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#define __uint8_t u_int8_t
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#endif /* __uint8_t */
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#ifndef __uint16_t
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#define __uint16_t u_int16_t
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#endif /* __uint16_t */
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#ifndef __uint32_t
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#define __uint32_t u_int32_t
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#endif /* __uint32_t */
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#include "hcmp.h" /* Hping Control Message Protocol */
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/* protocols header size */
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#ifndef ICMPHDR_SIZE
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#define ICMPHDR_SIZE sizeof(struct myicmphdr)
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#endif
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#ifndef UDPHDR_SIZE
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#define UDPHDR_SIZE sizeof(struct myudphdr)
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#endif
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#ifndef TCPHDR_SIZE
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#define TCPHDR_SIZE sizeof(struct mytcphdr)
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#endif
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#ifndef IPHDR_SIZE
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#define IPHDR_SIZE sizeof(struct myiphdr)
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#endif
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#ifndef IP6HDR_SIZE
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#define IP6HDR_SIZE sizeof(struct myip6hdr)
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#endif
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/* wait X seconds after reached to sent packets in oreder to display replies */
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#define COUNTREACHED_TIMEOUT 1
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/* requests status table stuffs */
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/* Warning, TABLESIZE 0 == floating point exception */
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#define TABLESIZE 400
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#define S_SENT 0
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#define S_RECV 1
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/* usefull defines */
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#ifndef TRUE
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#define TRUE 1
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#define FALSE 0
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#endif
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#ifndef IFNAMSIZ
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#define IFNAMSIZ 16
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#endif
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#ifndef PF_PACKET
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#define PF_PACKET 17 /* kernel 2.[12].* with 2.0.* kernel headers? */
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#endif
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#ifndef ETH_P_IP
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#define ETH_P_IP 0x0800 /* Internet Protocol packet */
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#endif
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#ifndef ABS
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#define ABS(x) (((x)>0) ? (x) : -(x))
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#endif
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/* header size of some physical layer type */
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#define PPPHDR_SIZE_LINUX 0
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#define PPPHDR_SIZE_FREEBSD 4
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#define PPPHDR_SIZE_OPENBSD 4
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#define PPPHDR_SIZE_NETBSD 4
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#define PPPHDR_SIZE_BSDI 4
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#define ETHHDR_SIZE 14
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#define LOHDR_SIZE 14
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#define WLANHDR_SIZE 14
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#define TRHDR_SIZE 20
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/* packet size (physical header size + ip header + tcp header + 0 data bytes) */
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#ifndef IP_MAX_SIZE
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#define IP_MAX_SIZE 65535
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#endif
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/* absolute offsets */
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#define ABS_OFFSETIP linkhdr_size
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#define ABS_OFFSETTCP ( linkhdr_size + IPHDR_SIZE )
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#define ABS_OFFSETICMP ( linkhdr_size + IPHDR_SIZE )
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#define ABS_OFFSETUDP ( linkhdr_size + IPHDR_SIZE )
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/* defaults and misc */
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#define DEFAULT_SENDINGWAIT 1 /* wait 1 sec. between sending each packets */
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#define DEFAULT_DPORT 0 /* default dest. port */
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#define DEFAULT_INITSPORT -1 /* default initial source port: -1 means random */
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#define DEFAULT_COUNT -1 /* default packets count: -1 means forever */
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#define DEFAULT_TTL 64 /* default ip->ttl value */
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#define DEFAULT_SRCWINSIZE 512 /* default tcp windows size */
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#define DEFAULT_VIRTUAL_MTU 16 /* tiny fragments */
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#define DEFAULT_ICMP_TYPE 8 /* echo request */
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#define DEFAULT_ICMP_CODE 0 /* icmp-type relative */
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#define DEFAULT_ICMP_IP_VERSION 4
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#define DEFAULT_ICMP_IP_IHL (IPHDR_SIZE >> 2)
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#define DEFAULT_ICMP_IP_TOS 0
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#define DEFAULT_ICMP_IP_TOT_LEN 0 /* computed by send_icmp_*() */
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#define DEFAULT_ICMP_IP_ID 0 /* rand */
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#define DEFAULT_ICMP_CKSUM -1 /* -1 means compute the cksum */
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#define DEFAULT_ICMP_IP_PROTOCOL 6 /* TCP */
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#define DEFAULT_RAW_IP_PROTOCOL 6 /* TCP */
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#define DEFAULT_TRACEROUTE_TTL 1
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#define BIND_NONE 0 /* no bind */
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#define BIND_DPORT 1 /* bind destination port */
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#define BIND_TTL 2 /* bind ip->ttl */
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#define DEFAULT_BIND BIND_DPORT
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/* fragmentation defines */
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#define MF ((unsigned short)0x2000) /* more fragments */
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#define DF ((unsigned short)0x4000) /* dont fragment */
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#define NF ((unsigned short)0x0000) /* no more fragments */
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/* ip options defines */
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#define IPOPT_COPY 0x80
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#define IPOPT_CLASS_MASK 0x60
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#define IPOPT_NUMBER_MASK 0x1f
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#define IPOPT_COPIED(o) ((o)&IPOPT_COPY)
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#define IPOPT_CLASS(o) ((o)&IPOPT_CLASS_MASK)
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#define IPOPT_NUMBER(o) ((o)&IPOPT_NUMBER_MASK)
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#define IPOPT_CONTROL 0x00
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#define IPOPT_RESERVED1 0x20
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#define IPOPT_MEASUREMENT 0x40
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#define IPOPT_RESERVED2 0x60
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#define IPOPT_END (0 |IPOPT_CONTROL)
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#define IPOPT_NOOP (1 |IPOPT_CONTROL)
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#define IPOPT_SEC (2 |IPOPT_CONTROL|IPOPT_COPY)
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#define IPOPT_LSRR (3 |IPOPT_CONTROL|IPOPT_COPY)
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#define IPOPT_TIMESTAMP (4 |IPOPT_MEASUREMENT)
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#define IPOPT_RR (7 |IPOPT_CONTROL)
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#define IPOPT_SID (8 |IPOPT_CONTROL|IPOPT_COPY)
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#define IPOPT_SSRR (9 |IPOPT_CONTROL|IPOPT_COPY)
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#define IPOPT_RA (20|IPOPT_CONTROL|IPOPT_COPY)
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#define IPOPT_OPTVAL 0
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#define IPOPT_OLEN 1
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#define IPOPT_OFFSET 2
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#define IPOPT_MINOFF 4
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#define MAX_IPOPTLEN 40
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#define IPOPT_NOP IPOPT_NOOP
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#define IPOPT_EOL IPOPT_END
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#define IPOPT_TS IPOPT_TIMESTAMP
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#define IPOPT_TS_TSONLY 0 /* timestamps only */
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#define IPOPT_TS_TSANDADDR 1 /* timestamps and addresses */
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#define IPOPT_TS_PRESPEC 3 /* specified modules only */
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/* tcp flags */
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#ifndef TH_FIN
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#define TH_FIN 0x01
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#endif
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#ifndef TH_SYN
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#define TH_SYN 0x02
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#endif
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#ifndef TH_RST
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#define TH_RST 0x04
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#endif
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#ifndef TH_PUSH
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#define TH_PUSH 0x08
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#endif
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#ifndef TH_ACK
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#define TH_ACK 0x10
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#endif
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#ifndef TH_URG
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#define TH_URG 0x20
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#endif
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#ifndef TH_X
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#define TH_X 0x40 /* X tcp flag */
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#endif
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#ifndef TH_Y
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#define TH_Y 0x80 /* Y tcp flag */
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#endif
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/* ICMP TYPE */
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#define ICMP_ECHOREPLY 0 /* Echo Reply */
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#define ICMP_DEST_UNREACH 3 /* Destination Unreachable */
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#define ICMP_SOURCE_QUENCH 4 /* Source Quench */
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#define ICMP_REDIRECT 5 /* Redirect (change route) */
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#define ICMP_ECHO 8 /* Echo Request */
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#define ICMP_TIME_EXCEEDED 11 /* Time Exceeded */
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#define ICMP_PARAMETERPROB 12 /* Parameter Problem */
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#define ICMP_TIMESTAMP 13 /* Timestamp Request */
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#define ICMP_TIMESTAMPREPLY 14 /* Timestamp Reply */
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#define ICMP_INFO_REQUEST 15 /* Information Request */
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#define ICMP_INFO_REPLY 16 /* Information Reply */
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#define ICMP_ADDRESS 17 /* Address Mask Request */
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#define ICMP_ADDRESSREPLY 18 /* Address Mask Reply */
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#define ICMP6_DEST_UNREACH 1
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#define ICMP6_PACK_TOOBIG 2
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#define ICMP6_TIME_EXCEEDED 3
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#define ICMP6_PARAMETERPROB 4
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#define ICMP6_ECHO 128
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#define ICMP6_ECHOREPLY 129
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/* Codes for UNREACHABLE */
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#define ICMP_NET_UNREACH 0 /* Network Unreachable */
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#define ICMP_HOST_UNREACH 1 /* Host Unreachable */
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#define ICMP_PROT_UNREACH 2 /* Protocol Unreachable */
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#define ICMP_PORT_UNREACH 3 /* Port Unreachable */
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#define ICMP_FRAG_NEEDED 4 /* Fragmentation Needed/DF set */
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#define ICMP_SR_FAILED 5 /* Source Route failed */
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#define ICMP_NET_UNKNOWN 6
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#define ICMP_HOST_UNKNOWN 7
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#define ICMP_HOST_ISOLATED 8
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#define ICMP_NET_ANO 9
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#define ICMP_HOST_ANO 10
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#define ICMP_NET_UNR_TOS 11
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#define ICMP_HOST_UNR_TOS 12
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#define ICMP_PKT_FILTERED 13 /* Packet filtered */
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#define ICMP_PREC_VIOLATION 14 /* Precedence violation */
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#define ICMP_PREC_CUTOFF 15 /* Precedence cut off */
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#define NR_ICMP_UNREACH 15 /* instead of hardcoding immediate value */
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/* Codes for REDIRECT */
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#define ICMP_REDIR_NET 0 /* Redirect Net */
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#define ICMP_REDIR_HOST 1 /* Redirect Host */
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#define ICMP_REDIR_NETTOS 2 /* Redirect Net for TOS */
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#define ICMP_REDIR_HOSTTOS 3 /* Redirect Host for TOS */
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/* Codes for TIME_EXCEEDED */
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#define ICMP_EXC_TTL 0 /* TTL count exceeded */
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#define ICMP_EXC_FRAGTIME 1 /* Fragment Reass time exceeded */
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/*
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* IP header
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*/
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struct myiphdr {
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#if defined(__LITTLE_ENDIAN_BITFIELD)
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__u8 ihl:4,
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version:4;
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#elif defined (__BIG_ENDIAN_BITFIELD)
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__u8 version:4,
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ihl:4;
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#else
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#error "Please, edit Makefile and add -D__(LITTLE|BIG)_ENDIAN_BITFIEND"
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#endif
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__u8 tos;
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__u16 tot_len;
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__u16 id;
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__u16 frag_off;
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__u8 ttl;
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__u8 protocol;
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__u16 check;
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__u32 saddr;
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__u32 daddr;
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};
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struct myip6hdr {
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#if defined(__LITTLE_ENDIAN_BITFIELD)
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__u8 tc1:4,
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version:4;
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__u8 flowlabel1:4,
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tc2:4;
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__u16 flowlabel2;
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#elif defined (__BIG_ENDIAN_BITFIELD)
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/* __u32 version:4,
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tc:8
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flowlabel:20;*/
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__u8 version:4,
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tc1:4;
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__u8 tc2:4,
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flowlabel1:4;
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__u16 flowlabel2;
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#else
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#error "Please, edit Makefile and add -D__(LITTLE|BIG)_ENDIAN_BITFIEND"
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#endif
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__u16 paylen;
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__u8 nextheader;
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__u8 hoplimit;
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__u8 saddr[16];
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__u8 daddr[16];
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};
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/*
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* UDP header
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*/
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struct myudphdr {
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__u16 uh_sport; /* source port */
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__u16 uh_dport; /* destination port */
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__u16 uh_ulen; /* udp length */
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__u16 uh_sum; /* udp checksum */
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};
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/*
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* TCP header.
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* Per RFC 793, September, 1981.
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*/
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struct mytcphdr {
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__u16 th_sport; /* source port */
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__u16 th_dport; /* destination port */
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__u32 th_seq; /* sequence number */
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__u32 th_ack; /* acknowledgement number */
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#if defined (__LITTLE_ENDIAN_BITFIELD)
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__u8 th_x2:4, /* (unused) */
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th_off:4; /* data offset */
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#elif defined (__BIG_ENDIAN_BITFIELD)
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__u8 th_off:4, /* data offset */
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th_x2:4; /* (unused) */
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#else
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#error "Please, edit Makefile and add -D__(LITTLE|BIG)_ENDIAN_BITFIEND"
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#endif
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__u8 th_flags;
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__u16 th_win; /* window */
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__u16 th_sum; /* checksum */
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__u16 th_urp; /* urgent pointer */
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};
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/*
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* ICMP header
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*/
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struct myicmphdr
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{
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__u8 type;
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__u8 code;
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__u16 checksum;
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union
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{
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struct
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{
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||
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|
__u16 id;
|
||
|
|
__u16 sequence;
|
||
|
|
} echo;
|
||
|
|
__u32 gateway;
|
||
|
|
__u32 mtu;
|
||
|
|
} un;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct icmp_tstamp_data {
|
||
|
|
__u32 orig;
|
||
|
|
__u32 recv;
|
||
|
|
__u32 tran;
|
||
|
|
};
|
||
|
|
|
||
|
|
/*
|
||
|
|
* UDP/TCP pseudo header
|
||
|
|
* for cksum computing
|
||
|
|
*/
|
||
|
|
struct pseudohdr
|
||
|
|
{
|
||
|
|
__u32 saddr;
|
||
|
|
__u32 daddr;
|
||
|
|
__u8 zero;
|
||
|
|
__u8 protocol;
|
||
|
|
__u16 lenght;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct pseudohdr6
|
||
|
|
{
|
||
|
|
__u8 saddr[16];
|
||
|
|
__u8 daddr[16];
|
||
|
|
__u16 lenght;
|
||
|
|
__u16 zero1;
|
||
|
|
__u8 zero2;
|
||
|
|
__u8 protocol;
|
||
|
|
};
|
||
|
|
|
||
|
|
#define PSEUDOHDR_SIZE sizeof(struct pseudohdr)
|
||
|
|
#define PSEUDOHDR6_SIZE sizeof(struct pseudohdr6)
|
||
|
|
|
||
|
|
/*
|
||
|
|
* hping replies delay table
|
||
|
|
*/
|
||
|
|
struct delaytable_element {
|
||
|
|
int seq;
|
||
|
|
int src;
|
||
|
|
time_t sec;
|
||
|
|
time_t usec;
|
||
|
|
int status;
|
||
|
|
};
|
||
|
|
|
||
|
|
volatile struct delaytable_element delaytable[TABLESIZE];
|
||
|
|
|
||
|
|
/* protos */
|
||
|
|
void nop(void); /* nop */
|
||
|
|
int parse_options(int, char**); /* option parser */
|
||
|
|
int get_if_name(void); /* get interface (see source) */
|
||
|
|
int get_linkhdr_size(char*); /* get link layer hdr size */
|
||
|
|
int open_sockpacket(void); /* open SOCK_PACKET socket */
|
||
|
|
int close_sockpacket(int); /* close SOCK_PACKET socket */
|
||
|
|
int open_sockraw(void); /* open raw socket */
|
||
|
|
void send_packet (int signal_id);
|
||
|
|
void send_rawip (void);
|
||
|
|
void send_tcp(void);
|
||
|
|
void send_udp(void);
|
||
|
|
void send_icmp(void);
|
||
|
|
void send_hcmp(__u8 type, __u32 arg); /* send hcmp packets */
|
||
|
|
void send_ip (char*, char*, char*, unsigned int, int, unsigned short,
|
||
|
|
char*, char);
|
||
|
|
void send_ip_handler(char *packet, unsigned int size); /* fragmentation
|
||
|
|
handler */
|
||
|
|
void wait_packet(void); /* handle incoming packets */
|
||
|
|
void print_statistics(int);
|
||
|
|
void show_usage(void);
|
||
|
|
void show_version(void);
|
||
|
|
void resolve(struct sockaddr*, char*); /* resolver */
|
||
|
|
void log_icmp_unreach(const char*, unsigned short);/* ICMP unreachable logger */
|
||
|
|
void log_icmp_timeexc(const char*, unsigned short);/* ICMP time exceeded logger */
|
||
|
|
time_t get_usec(void); /* return current usec */
|
||
|
|
time_t get_midnight_ut_ms(void); /* ms from UT midnight */
|
||
|
|
__u16 cksum(__u16 *buf, int nwords); /* compute 16bit checksum */
|
||
|
|
void inc_destparm(int sid); /* inc dst port or ttl */
|
||
|
|
char *get_hostname(const char*); /* get host from addr */
|
||
|
|
void datafiller(char *p, int size); /* fill data from file */
|
||
|
|
void data_handler(char *data, int data_size);/* handle data filling */
|
||
|
|
void socket_broadcast(int sd); /* set SO_BROADCAST option */
|
||
|
|
void socket_iphdrincl(int sd); /* set SO_IPHDRINCL option */
|
||
|
|
void listenmain(void); /* main for listen mode */
|
||
|
|
char *memstr(char *haystack, char *needle, int size); /* memstr */
|
||
|
|
void tos_help(void); /* show the TOS help */
|
||
|
|
int rtt(int *seqp, int recvport, float *ms_delay); /* compute round trip time */
|
||
|
|
int relativize_id(int seqnum, int *ip_id); /* compute relative id */
|
||
|
|
int if_promisc_on(int s); /* promisc. mode ON */
|
||
|
|
int if_promisc_off(int s); /* promisc. mode OFF */
|
||
|
|
int open_pcap(void); /* open libpcap socket */
|
||
|
|
int close_pcap(void); /* close libpcap socket */
|
||
|
|
int pcap_recv(char *, unsigned int); /* libpcap api wrapper */
|
||
|
|
int memlock(char *addr, size_t size); /* disable paging */
|
||
|
|
int memunlock(char *addr, size_t size); /* enable paging */
|
||
|
|
int memlockall(void); /* disable paging (all pages) */
|
||
|
|
int memunlockall(void); /* enable paging (all pages) */
|
||
|
|
unsigned char ip_opt_build(char *ip_opt); /* build ip options */
|
||
|
|
void display_ipopt(char* buf); /* display ip options */
|
||
|
|
void icmp_help(void); /* show the ICMP help */
|
||
|
|
void route_help(void); /* show the route help */
|
||
|
|
void (*Signal(int signo, void (*func)(int)))(int);
|
||
|
|
void delaytable_add(int seq, int src, time_t sec, time_t usec, int status);
|
||
|
|
int read_packet(void *packet, int size);
|
||
|
|
void scanmain(void);
|
||
|
|
u_int32_t hp_rand(void);
|
||
|
|
struct in6_addr ipv6_rand(char *net,int prefixlen);
|
||
|
|
#if !defined(__FreeBSD__) && !defined(__OpenBSD__) && !defined(__NetBSD__) && \
|
||
|
|
!defined(__bsdi__) && !defined(__APPLE__)
|
||
|
|
size_t strlcpy(char *dst, const char *src, size_t siz);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/* ARS glue */
|
||
|
|
void hping_ars_send(char *s);
|
||
|
|
|
||
|
|
struct SOCKADDR
|
||
|
|
{
|
||
|
|
__u8 data[50];
|
||
|
|
};
|
||
|
|
|
||
|
|
#define ADDR(x) ({ \
|
||
|
|
void *tmp; \
|
||
|
|
if(opt_ipv6) \
|
||
|
|
tmp=&((struct sockaddr_in6*)(x))->sin6_addr; \
|
||
|
|
else \
|
||
|
|
tmp=&((struct sockaddr_in*)(x))->sin_addr; \
|
||
|
|
tmp; \
|
||
|
|
})
|
||
|
|
#define ADDR4(x) (((struct sockaddr_in*)(x))->sin_addr)
|
||
|
|
#define ADDR6(x) (((struct sockaddr_in6*)(x))->sin6_addr)
|
||
|
|
#define ADDRCMP(x,y) (memcmp(ADDR(x),ADDR(y),opt_ipv6?16:4))
|
||
|
|
|
||
|
|
#endif /* _HPING2_H */
|