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-/*
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- * Special compatibility definitions for linux.
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- *
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- * On the linux platform, several IP-related structures have
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- * different names. Also some of the structure fields have
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- * other names, although the layout is (obviously) fixed.
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- * Several constants are not defined in the standard files.
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- *
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- * @(#)linux.h e07@nikhef.nl (Eric Wassenaar) 960301
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- *
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- * XXX [src] - This is a complete ripoff from the fping program
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- */
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-
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-#if defined(linux)
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-
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-#include <endian.h> /* to get the proper BYTE_ORDER */
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-
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-#if !defined(BYTE_ORDER) || (BYTE_ORDER != BIG_ENDIAN && \
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- BYTE_ORDER != LITTLE_ENDIAN && BYTE_ORDER != PDP_ENDIAN)
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-error "Undefined or invalid BYTE_ORDER";
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-#endif
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-
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-/*
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- * Structure of an ip header, without options.
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- */
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-
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-#define IPVERSION 4
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-
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-struct ip {
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-#if (BYTE_ORDER == LITTLE_ENDIAN || BYTE_ORDER == PDP_ENDIAN)
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- u_char ip_hl:4, /* header length */
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- ip_v:4; /* version */
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-#else
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- u_char ip_v:4, /* version */
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- ip_hl:4; /* header length */
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-#endif
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- u_char ip_tos; /* type of service */
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- short ip_len; /* total length */
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- u_short ip_id; /* identification */
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- short ip_off; /* fragment offset field */
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-#define IP_DF 0x4000 /* dont fragment flag */
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-#define IP_MF 0x2000 /* more fragments flag */
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- u_char ip_ttl; /* time to live */
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- u_char ip_p; /* protocol */
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- u_short ip_sum; /* checksum */
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- struct in_addr ip_src, ip_dst; /* source and dest address */
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-};
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-
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-#define IP_MAXPACKET 65535 /* maximum packet size */
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-
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-/*
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- * Structure of an icmp header.
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- */
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-
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-struct icmp {
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- u_char icmp_type; /* type of message, see below */
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- u_char icmp_code; /* type sub code */
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- u_short icmp_cksum; /* ones complement cksum of struct */
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- union {
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- u_char ih_pptr; /* ICMP_PARAMPROB */
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- struct in_addr ih_gwaddr; /* ICMP_REDIRECT */
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- struct ih_idseq {
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- n_short icd_id;
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- n_short icd_seq;
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- } ih_idseq;
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- int ih_void;
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- } icmp_hun;
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-#define icmp_pptr icmp_hun.ih_pptr
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-#define icmp_gwaddr icmp_hun.ih_gwaddr
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-#define icmp_id icmp_hun.ih_idseq.icd_id
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-#define icmp_seq icmp_hun.ih_idseq.icd_seq
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-#define icmp_void icmp_hun.ih_void
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- union {
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- struct id_ts {
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- n_time its_otime;
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- n_time its_rtime;
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- n_time its_ttime;
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- } id_ts;
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- struct id_ip {
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- struct ip idi_ip;
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- /* options and then 64 bits of data */
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- } id_ip;
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- u_long id_mask;
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- char id_data[1];
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- } icmp_dun;
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-#define icmp_otime icmp_dun.id_ts.its_otime
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-#define icmp_rtime icmp_dun.id_ts.its_rtime
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-#define icmp_ttime icmp_dun.id_ts.its_ttime
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-#define icmp_ip icmp_dun.id_ip.idi_ip
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-#define icmp_mask icmp_dun.id_mask
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-#define icmp_data icmp_dun.id_data
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-};
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-
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-#define ICMP_MINLEN 8 /* abs minimum */
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-
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-/*
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- * Definition of icmp type and code field values.
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- */
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-
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-#define ICMP_ECHOREPLY 0 /* echo reply */
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-#define ICMP_UNREACH 3 /* dest unreachable, codes: */
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-#define ICMP_UNREACH_NET 0 /* bad net */
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-#define ICMP_UNREACH_HOST 1 /* bad host */
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-#define ICMP_UNREACH_PROTOCOL 2 /* bad protocol */
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-#define ICMP_UNREACH_PORT 3 /* bad port */
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-#define ICMP_UNREACH_NEEDFRAG 4 /* IP_DF caused drop */
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-#define ICMP_UNREACH_SRCFAIL 5 /* src route failed */
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-#define ICMP_SOURCEQUENCH 4 /* packet lost, slow down */
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-#define ICMP_REDIRECT 5 /* shorter route, codes: */
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-#define ICMP_REDIRECT_NET 0 /* for network */
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-#define ICMP_REDIRECT_HOST 1 /* for host */
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-#define ICMP_REDIRECT_TOSNET 2 /* for tos and net */
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-#define ICMP_REDIRECT_TOSHOST 3 /* for tos and host */
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-#define ICMP_ECHO 8 /* echo service */
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-#define ICMP_TIMXCEED 11 /* time exceeded, codes: */
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-#define ICMP_TIMXCEED_INTRANS 0 /* ttl==0 in transit */
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-#define ICMP_TIMXCEED_REASS 1 /* ttl==0 in reass */
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-#define ICMP_PARAMPROB 12 /* ip header bad */
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-#define ICMP_TSTAMP 13 /* timestamp request */
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-#define ICMP_TSTAMPREPLY 14 /* timestamp reply */
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-#define ICMP_IREQ 15 /* information request */
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-#define ICMP_IREQREPLY 16 /* information reply */
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-#define ICMP_MASKREQ 17 /* address mask request */
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-#define ICMP_MASKREPLY 18 /* address mask reply */
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-
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-/*
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- * Definitions needed for the udp header structure.
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- */
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-
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-#define uh_sport source
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-#define uh_dport dest
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-#define uh_ulen len
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-#define uh_sum check
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-
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-#endif /* linux */
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