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hping2.h
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hping2.h
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/*
* $smu-mark$
* $name: hping2.h$
* $author: Salvatore Sanfilippo <antirez@invece.org>$
* $copyright: Copyright (C) 1999 by Salvatore Sanfilippo$
* $license: This software is under GPL version 2 of license$
* $date: Fri Nov 5 11:55:48 MET 1999$
* $rev: 9$
*/
/* $Id: hping2.h,v 1.4 2004/06/04 07:22:38 antirez Exp $ */
#ifndef _HPING2_H
#define _HPING2_H
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <limits.h>
#include "byteorder.h"
#include "systype.h"
#include "fixtypes.h"
/* types */
#ifndef __u8
#define __u8 u_int8_t
#endif /* __u8 */
#ifndef __u16
#define __u16 u_int16_t
#endif /* __u16 */
#ifndef __u32
#define __u32 u_int32_t
#endif /* __u32 */
#ifndef __uint8_t
#define __uint8_t u_int8_t
#endif /* __uint8_t */
#ifndef __uint16_t
#define __uint16_t u_int16_t
#endif /* __uint16_t */
#ifndef __uint32_t
#define __uint32_t u_int32_t
#endif /* __uint32_t */
#include "hcmp.h" /* Hping Control Message Protocol */
/* protocols header size */
#ifndef ICMPHDR_SIZE
#define ICMPHDR_SIZE sizeof(struct myicmphdr)
#endif
#ifndef UDPHDR_SIZE
#define UDPHDR_SIZE sizeof(struct myudphdr)
#endif
#ifndef TCPHDR_SIZE
#define TCPHDR_SIZE sizeof(struct mytcphdr)
#endif
#ifndef IPHDR_SIZE
#define IPHDR_SIZE sizeof(struct myiphdr)
#endif
/* wait X seconds after reached to sent packets in oreder to display replies */
#define COUNTREACHED_TIMEOUT 1
/* requests status table stuffs */
/* Warning, TABLESIZE 0 == floating point exception */
#define TABLESIZE 400
#define S_SENT 0
#define S_RECV 1
/* usefull defines */
#ifndef TRUE
#define TRUE 1
#define FALSE 0
#endif
#ifndef IFNAMSIZ
#define IFNAMSIZ 16
#endif
#ifndef PF_PACKET
#define PF_PACKET 17 /* kernel 2.[12].* with 2.0.* kernel headers? */
#endif
#ifndef ETH_P_IP
#define ETH_P_IP 0x0800 /* Internet Protocol packet */
#endif
#ifndef ABS
#define ABS(x) (((x)>0) ? (x) : -(x))
#endif
/* header size of some physical layer type */
#define PPPHDR_SIZE_LINUX 0
#define PPPHDR_SIZE_FREEBSD 4
#define PPPHDR_SIZE_OPENBSD 4
#define PPPHDR_SIZE_NETBSD 4
#define PPPHDR_SIZE_BSDI 4
#define ETHHDR_SIZE 14
#define LOHDR_SIZE 14
#define WLANHDR_SIZE 14
#define TRHDR_SIZE 20
/* packet size (physical header size + ip header + tcp header + 0 data bytes) */
#ifndef IP_MAX_SIZE
#define IP_MAX_SIZE 65535
#endif
/* absolute offsets */
#define ABS_OFFSETIP linkhdr_size
#define ABS_OFFSETTCP ( linkhdr_size + IPHDR_SIZE )
#define ABS_OFFSETICMP ( linkhdr_size + IPHDR_SIZE )
#define ABS_OFFSETUDP ( linkhdr_size + IPHDR_SIZE )
/* defaults and misc */
#define DEFAULT_SENDINGWAIT 1 /* wait 1 sec. between sending each packets */
#define DEFAULT_DPORT 0 /* default dest. port */
#define DEFAULT_INITSPORT -1 /* default initial source port: -1 means random */
#define DEFAULT_COUNT -1 /* default packets count: -1 means forever */
#define DEFAULT_TTL 64 /* default ip->ttl value */
#define DEFAULT_SRCWINSIZE 512 /* default tcp windows size */
#define DEFAULT_VIRTUAL_MTU 16 /* tiny fragments */
#define DEFAULT_ICMP_TYPE 8 /* echo request */
#define DEFAULT_ICMP_CODE 0 /* icmp-type relative */
#define DEFAULT_ICMP_IP_VERSION 4
#define DEFAULT_ICMP_IP_IHL (IPHDR_SIZE >> 2)
#define DEFAULT_ICMP_IP_TOS 0
#define DEFAULT_ICMP_IP_TOT_LEN 0 /* computed by send_icmp_*() */
#define DEFAULT_ICMP_IP_ID 0 /* rand */
#define DEFAULT_ICMP_CKSUM -1 /* -1 means compute the cksum */
#define DEFAULT_ICMP_IP_PROTOCOL 6 /* TCP */
#define DEFAULT_RAW_IP_PROTOCOL 6 /* TCP */
#define DEFAULT_TRACEROUTE_TTL 1
#define BIND_NONE 0 /* no bind */
#define BIND_DPORT 1 /* bind destination port */
#define BIND_TTL 2 /* bind ip->ttl */
#define DEFAULT_BIND BIND_DPORT
#define DEFAULT_CS_WINDOW 300
#define DEFAULT_CS_WINDOW_SHIFT 5
#define DEFAULT_CS_VECTOR_LEN 10
/* fragmentation defines */
#define MF ((unsigned short)0x2000) /* more fragments */
#define DF ((unsigned short)0x4000) /* dont fragment */
#define NF ((unsigned short)0x0000) /* no more fragments */
/* ip options defines */
#define IPOPT_COPY 0x80
#define IPOPT_CLASS_MASK 0x60
#define IPOPT_NUMBER_MASK 0x1f
#define IPOPT_COPIED(o) ((o)&IPOPT_COPY)
#define IPOPT_CLASS(o) ((o)&IPOPT_CLASS_MASK)
#define IPOPT_NUMBER(o) ((o)&IPOPT_NUMBER_MASK)
#define IPOPT_CONTROL 0x00
#define IPOPT_RESERVED1 0x20
#define IPOPT_MEASUREMENT 0x40
#define IPOPT_RESERVED2 0x60
#define IPOPT_END (0 |IPOPT_CONTROL)
#define IPOPT_NOOP (1 |IPOPT_CONTROL)
#define IPOPT_SEC (2 |IPOPT_CONTROL|IPOPT_COPY)
#define IPOPT_LSRR (3 |IPOPT_CONTROL|IPOPT_COPY)
#define IPOPT_TIMESTAMP (4 |IPOPT_MEASUREMENT)
#define IPOPT_RR (7 |IPOPT_CONTROL)
#define IPOPT_SID (8 |IPOPT_CONTROL|IPOPT_COPY)
#define IPOPT_SSRR (9 |IPOPT_CONTROL|IPOPT_COPY)
#define IPOPT_RA (20|IPOPT_CONTROL|IPOPT_COPY)
#define IPOPT_OPTVAL 0
#define IPOPT_OLEN 1
#define IPOPT_OFFSET 2
#define IPOPT_MINOFF 4
#define MAX_IPOPTLEN 40
#define IPOPT_NOP IPOPT_NOOP
#define IPOPT_EOL IPOPT_END
#define IPOPT_TS IPOPT_TIMESTAMP
#define IPOPT_TS_TSONLY 0 /* timestamps only */
#define IPOPT_TS_TSANDADDR 1 /* timestamps and addresses */
#define IPOPT_TS_PRESPEC 3 /* specified modules only */
/* tcp flags */
#ifndef TH_FIN
#define TH_FIN 0x01
#endif
#ifndef TH_SYN
#define TH_SYN 0x02
#endif
#ifndef TH_RST
#define TH_RST 0x04
#endif
#ifndef TH_PUSH
#define TH_PUSH 0x08
#endif
#ifndef TH_ACK
#define TH_ACK 0x10
#endif
#ifndef TH_URG
#define TH_URG 0x20
#endif
#ifndef TH_X
#define TH_X 0x40 /* X tcp flag */
#endif
#ifndef TH_Y
#define TH_Y 0x80 /* Y tcp flag */
#endif
/* ICMP TYPE */
#define ICMP_ECHOREPLY 0 /* Echo Reply */
#define ICMP_DEST_UNREACH 3 /* Destination Unreachable */
#define ICMP_SOURCE_QUENCH 4 /* Source Quench */
#define ICMP_REDIRECT 5 /* Redirect (change route) */
#define ICMP_ECHO 8 /* Echo Request */
#define ICMP_TIME_EXCEEDED 11 /* Time Exceeded */
#define ICMP_PARAMETERPROB 12 /* Parameter Problem */
#define ICMP_TIMESTAMP 13 /* Timestamp Request */
#define ICMP_TIMESTAMPREPLY 14 /* Timestamp Reply */
#define ICMP_INFO_REQUEST 15 /* Information Request */
#define ICMP_INFO_REPLY 16 /* Information Reply */
#define ICMP_ADDRESS 17 /* Address Mask Request */
#define ICMP_ADDRESSREPLY 18 /* Address Mask Reply */
/* Codes for UNREACHABLE */
#define ICMP_NET_UNREACH 0 /* Network Unreachable */
#define ICMP_HOST_UNREACH 1 /* Host Unreachable */
#define ICMP_PROT_UNREACH 2 /* Protocol Unreachable */
#define ICMP_PORT_UNREACH 3 /* Port Unreachable */
#define ICMP_FRAG_NEEDED 4 /* Fragmentation Needed/DF set */
#define ICMP_SR_FAILED 5 /* Source Route failed */
#define ICMP_NET_UNKNOWN 6
#define ICMP_HOST_UNKNOWN 7
#define ICMP_HOST_ISOLATED 8
#define ICMP_NET_ANO 9
#define ICMP_HOST_ANO 10
#define ICMP_NET_UNR_TOS 11
#define ICMP_HOST_UNR_TOS 12
#define ICMP_PKT_FILTERED 13 /* Packet filtered */
#define ICMP_PREC_VIOLATION 14 /* Precedence violation */
#define ICMP_PREC_CUTOFF 15 /* Precedence cut off */
#define NR_ICMP_UNREACH 15 /* instead of hardcoding immediate value */
/* Codes for REDIRECT */
#define ICMP_REDIR_NET 0 /* Redirect Net */
#define ICMP_REDIR_HOST 1 /* Redirect Host */
#define ICMP_REDIR_NETTOS 2 /* Redirect Net for TOS */
#define ICMP_REDIR_HOSTTOS 3 /* Redirect Host for TOS */
/* Codes for TIME_EXCEEDED */
#define ICMP_EXC_TTL 0 /* TTL count exceeded */
#define ICMP_EXC_FRAGTIME 1 /* Fragment Reass time exceeded */
/*
* IP header
*/
struct myiphdr {
#if defined(__LITTLE_ENDIAN_BITFIELD)
__u8 ihl:4,
version:4;
#elif defined (__BIG_ENDIAN_BITFIELD)
__u8 version:4,
ihl:4;
#else
#error "Please, edit Makefile and add -D__(LITTLE|BIG)_ENDIAN_BITFIEND"
#endif
__u8 tos;
__u16 tot_len;
__u16 id;
__u16 frag_off;
__u8 ttl;
__u8 protocol;
__u16 check;
__u32 saddr;
__u32 daddr;
};
/*
* UDP header
*/
struct myudphdr {
__u16 uh_sport; /* source port */
__u16 uh_dport; /* destination port */
__u16 uh_ulen; /* udp length */
__u16 uh_sum; /* udp checksum */
};
/*
* TCP header.
* Per RFC 793, September, 1981.
*/
struct mytcphdr {
__u16 th_sport; /* source port */
__u16 th_dport; /* destination port */
__u32 th_seq; /* sequence number */
__u32 th_ack; /* acknowledgement number */
#if defined (__LITTLE_ENDIAN_BITFIELD)
__u8 th_x2:4, /* (unused) */
th_off:4; /* data offset */
#elif defined (__BIG_ENDIAN_BITFIELD)
__u8 th_off:4, /* data offset */
th_x2:4; /* (unused) */
#else
#error "Please, edit Makefile and add -D__(LITTLE|BIG)_ENDIAN_BITFIEND"
#endif
__u8 th_flags;
__u16 th_win; /* window */
__u16 th_sum; /* checksum */
__u16 th_urp; /* urgent pointer */
};
/*
* ICMP header
*/
struct myicmphdr
{
__u8 type;
__u8 code;
__u16 checksum;
union
{
struct
{
__u16 id;
__u16 sequence;
} echo;
__u32 gateway;
} 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;
};
#define PSEUDOHDR_SIZE sizeof(struct pseudohdr)
/*
* 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_output_if(struct sockaddr_in *dest, struct sockaddr_in *ifip);
int dltype_to_lhs(int dltype);
int get_linkhdr_size(char*); /* get link layer hdr size */
int open_sockpacket(void); /* open SOCK_PACKET socket */
int open_sockpacket_ifindex(int ifindex);
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);
int resolve_addr(struct sockaddr * addr, char *hostname); /* resolver */
void resolve(struct sockaddr*, char*); /* resolver, exit on err. */
void log_icmp_unreach(char*, unsigned short);/* ICMP unreachable logger */
void log_icmp_timeexc(char*, unsigned short);/* ICMP time exceeded logger */
time_t get_usec(void); /* return current usec */
time_t milliseconds(void); /* ms from UT midnight */
long long mstime(void); /* ms from 1 Jan 1970 */
#define get_midnight_ut_ms milliseconds /* backward compatibilty */
__u16 cksum(__u16 *buf, int nwords); /* compute 16bit checksum */
void inc_destparm(int sid); /* inc dst port or ttl */
char *get_hostname(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);
void hping_script(int argc, char **argv);
u_int32_t hp_rand(void);
#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);
#endif /* _HPING2_H */