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/***************************************************************************/
/* IPCOMPAT.H */
/***************************************************************************/
/* $Id: ipcompat.h,v 1.7 2000/10/04 17:40:54 slay Exp $ */
/***************************************************************************/
#ifndef __MY_IPCOMPAT_H__
#define __MY_IPCOMPAT_H__
/* IPv4 packet header */
struct ip2 {
#ifdef WORDS_BIGENDIAN
u_char ip_v:4, /* Version de IP */
ip_hl:4; /* Longitud cabecera en grupos de 32 bits */
#else
u_char ip_hl:4, /* Longitud cabecera en grupos de 32 bits */
ip_v:4; /* Version de IP */
#endif
u_char ip_tos; /* Tipo de servicio */
short ip_len; /* Longitud total incluyendo datos */
u_short ip_id; /* Identificador paquete IP */
short ip_off; /* Offset si fragmentacion */
u_char ip_ttl; /* Time To Live */
u_char ip_p; /* Protocolo del campo de datos */
u_short ip_sum; /* Checksum */
struct in_addr ip_src, /* Origen */
ip_dst; /* Destino */
};
/* ICMP packet header */
struct icmp2 {
struct icmp_hdr
{
u_char icmp_type;
u_char icmp_code;
u_short icmp_cksum;
} icmp_hdr;
union {
u_char ih2_pptr;
struct in_addr ih2_gwaddr;
struct ih2_idseq2 {
n_short icd_id;
n_short icd_seq;
} ih2_idseq;
u_long ih2_reserved;
struct ih2_rdiscovery {
u_char num_addr;
u_char addr_entry_size;
u_short lifetime;
} ih2_rdiscovery;
} icmp_hun;
union {
struct id_ts2 {
n_time its_otime;
n_time its_rtime;
n_time its_ttime;
} id_ts;
struct id_ip2 {
struct ip2 idi_ip;
} id_ip;
u_long id_mask;
char id_data[1];
struct id_rdiscovery {
struct in_addr router_addr;
struct in_addr pref_level;
} id_rdiscovery;
} icmp_dun;
};
#define icmp_type icmp_hdr.icmp_type
#define icmp_code icmp_hdr.icmp_code
#define icmp_cksum icmp_hdr.icmp_cksum
#define icmp_pptr2 icmp_hun.ih2_pptr
#define icmp_gwaddr2 icmp_hun.ih2_gwaddr
#define icmp_id2 icmp_hun.ih2_idseq.icd_id
#define icmp_seq2 icmp_hun.ih2_idseq.icd_seq
#define icmp_reserved icmp_hun.ih2_reserved
#define icmp_num_addr icmp_hun.ih2_rdiscovery.num_addr
#define icmp_addr_entry_size icmp_hun.ih2_rdiscovery.addr_entry_size
#define icmp_lifetime2 icmp_hun.ih2_rdiscovery.lifetime
#define icmp_otime2 icmp_dun.id_ts.its_otime
#define icmp_rtime2 icmp_dun.id_ts.its_rtime
#define icmp_ttime2 icmp_dun.id_ts.its_ttime
#define icmp_ip icmp_dun.id_ip.idi_ip
#define icmp_mask2 icmp_dun.id_mask
#define icmp_data2 icmp_dun.id_data
#define icmp_rdiscovery icmp_dun.id_rdiscovery
#define icmp_rdisc_router icmp_dun.id_rdiscovery.router_addr
#define icmp_rdisc_pref icmp_dun.id_rdiscovery.pref_level
/* UDP packet header */
struct udp_hdr {
u_short source; /* Puerto origen */
u_short dest; /* Puerto destino */
short uh_ulen; /* Longitud */
u_short uh_sum; /* Checksum */
};
/* TCP packet header */
struct tcp_hdr {
u_short source; /* Puerto origen */
u_short dest; /* Puerto destino */
u_long seq; /* Numero de secuencia */
};
/* ICMP ECHO packet header */
struct echo_hdr {
u_char type;
u_char code;
u_short cksum;
u_short id;
u_short seq;
};
/* ICMP error data field */
union data_hdr {
struct tcp_hdr cab_tcp;
struct udp_hdr cab_udp;
struct echo_hdr cab_echo;
char cab_byte[7];
};
#define TCAB_IP sizeof(struct ip2)
#define TCAB_ICMP sizeof(struct icmp2)
#define TCAB_UDP sizeof(struct udp_hdr)
#define TCAB_TCP sizeof(struct tcp_hdr)
#define TCAB_ECHO sizeof(struct echo_hdr)
#define TCAB_ICMP_MSG TCAB_ECHO
#define TCAB_64DATA sizeof(union data_hdr)
#define TDATA_TIMESTAMP sizeof(struct id_ts2)
#define TDATA_ADDRESS sizeof(u_long)
#define TCAB_RDISC sizeof(struct ih2_rdiscovery)
#define TDATA_RDISC sizeof(struct id_rdiscovery)
/* ICMP errors ... */
#define ICMP_DEST_UNREACH 3
#define ICMP_SOURCE_QUENCH 4
#define ICMP_REDIRECT 5
#define ICMP_TIME_EXCEEDED 11
#define ICMP_PARAM_PROB 12
/* ICMP information messages ... */
#define ICMP_ECHO_REPLY 0
#define ICMP_ECHO_REQUEST 8
#define ICMP_ROUTER_ADVERT 9
#define ICMP_ROUTER_SOLICIT 10
#define ICMP_TIMESTAMP 13
#define ICMP_TIMESTAMP_REPLY 14
#define ICMP_INFO_REQUEST 15
#define ICMP_INFO_REPLY 16
#define ICMP_ADDRESS 17
#define ICMP_ADDRESS_REPLY 18
#define TTL_DFL 255 /* Time To Live default */
#define TOS_DFL 0 /* Type Of Service default */
#define TIMEOUT_DFL 1 /* Timeout between packets, secs */
#define TIMEOUT_MAX 10 /* Maximum timeout between packets, secs */
#ifdef SOLARIS /* Maximum packet size */
#define SIZE_BIG 65535
#else
#define SIZE_BIG 75000
#endif
#define LIFETIME_DFL 1800 /* Lifetime default of a Router Advertisement */
#define PREFERENCE_DFL 0 /* Preference default of a Router Advertisement*/
#define MAX_ROUTERS ( ( SIZE_BIG - TCAB_IP - sizeof(struct icmp_hdr) \
- TCAB_RDISC ) / TDATA_RDISC )
#define ICMP_ERROR 1
#define ICMP_INFO 0
#define NO_REPLY 255 /* ICMP type that doesn't have a reply function */
#ifndef IP_MF
#define IP_MF 0x2000 /* IP More Fragments flag */
#endif
#ifndef IP_DF
#define IP_DF 0x4000 /* Don't Fragment flag */
#endif
#ifndef IP_RF
#define IP_RF 0x8000 /* Reserved flag */
#endif
#endif /* _IPCOMPAT_H_ */
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