From 3c925e8c0c01f6b4ae966183af19d22b46046785 Mon Sep 17 00:00:00 2001 From: Stanley Hopcroft Date: Thu, 2 Dec 2004 08:44:14 +0000 Subject: [PATCH] For check_icmp plugin from A Ericsson git-svn-id: https://nagiosplug.svn.sourceforge.net/svnroot/nagiosplug/nagiosplug/trunk@974 f882894a-f735-0410-b71e-b25c423dba1c --- plugins/linux.h | 135 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 135 insertions(+) create mode 100644 plugins/linux.h diff --git a/plugins/linux.h b/plugins/linux.h new file mode 100644 index 0000000..3b39d32 --- /dev/null +++ b/plugins/linux.h @@ -0,0 +1,135 @@ +/* + * Special compatibility definitions for linux. + * + * On the linux platform, several IP-related structures have + * different names. Also some of the structure fields have + * other names, although the layout is (obviously) fixed. + * Several constants are not defined in the standard files. + * + * @(#)linux.h e07@nikhef.nl (Eric Wassenaar) 960301 + * + * XXX [src] - This is a complete ripoff from the fping program + */ + +#if defined(linux) + +#include /* to get the proper BYTE_ORDER */ + +#if !defined(BYTE_ORDER) || (BYTE_ORDER != BIG_ENDIAN && \ + BYTE_ORDER != LITTLE_ENDIAN && BYTE_ORDER != PDP_ENDIAN) +error "Undefined or invalid BYTE_ORDER"; +#endif + +/* + * Structure of an ip header, without options. + */ + +#define IPVERSION 4 + +struct ip { +#if (BYTE_ORDER == LITTLE_ENDIAN || BYTE_ORDER == PDP_ENDIAN) + u_char ip_hl:4, /* header length */ + ip_v:4; /* version */ +#else + u_char ip_v:4, /* version */ + ip_hl:4; /* header length */ +#endif + u_char ip_tos; /* type of service */ + short ip_len; /* total length */ + u_short ip_id; /* identification */ + short ip_off; /* fragment offset field */ +#define IP_DF 0x4000 /* dont fragment flag */ +#define IP_MF 0x2000 /* more fragments flag */ + u_char ip_ttl; /* time to live */ + u_char ip_p; /* protocol */ + u_short ip_sum; /* checksum */ + struct in_addr ip_src, ip_dst; /* source and dest address */ +}; + +#define IP_MAXPACKET 65535 /* maximum packet size */ + +/* + * Structure of an icmp header. + */ + +struct icmp { + u_char icmp_type; /* type of message, see below */ + u_char icmp_code; /* type sub code */ + u_short icmp_cksum; /* ones complement cksum of struct */ + union { + u_char ih_pptr; /* ICMP_PARAMPROB */ + struct in_addr ih_gwaddr; /* ICMP_REDIRECT */ + struct ih_idseq { + n_short icd_id; + n_short icd_seq; + } ih_idseq; + int ih_void; + } icmp_hun; +#define icmp_pptr icmp_hun.ih_pptr +#define icmp_gwaddr icmp_hun.ih_gwaddr +#define icmp_id icmp_hun.ih_idseq.icd_id +#define icmp_seq icmp_hun.ih_idseq.icd_seq +#define icmp_void icmp_hun.ih_void + union { + struct id_ts { + n_time its_otime; + n_time its_rtime; + n_time its_ttime; + } id_ts; + struct id_ip { + struct ip idi_ip; + /* options and then 64 bits of data */ + } id_ip; + u_long id_mask; + char id_data[1]; + } icmp_dun; +#define icmp_otime icmp_dun.id_ts.its_otime +#define icmp_rtime icmp_dun.id_ts.its_rtime +#define icmp_ttime icmp_dun.id_ts.its_ttime +#define icmp_ip icmp_dun.id_ip.idi_ip +#define icmp_mask icmp_dun.id_mask +#define icmp_data icmp_dun.id_data +}; + +#define ICMP_MINLEN 8 /* abs minimum */ + +/* + * Definition of icmp type and code field values. + */ + +#define ICMP_ECHOREPLY 0 /* echo reply */ +#define ICMP_UNREACH 3 /* dest unreachable, codes: */ +#define ICMP_UNREACH_NET 0 /* bad net */ +#define ICMP_UNREACH_HOST 1 /* bad host */ +#define ICMP_UNREACH_PROTOCOL 2 /* bad protocol */ +#define ICMP_UNREACH_PORT 3 /* bad port */ +#define ICMP_UNREACH_NEEDFRAG 4 /* IP_DF caused drop */ +#define ICMP_UNREACH_SRCFAIL 5 /* src route failed */ +#define ICMP_SOURCEQUENCH 4 /* packet lost, slow down */ +#define ICMP_REDIRECT 5 /* shorter route, codes: */ +#define ICMP_REDIRECT_NET 0 /* for network */ +#define ICMP_REDIRECT_HOST 1 /* for host */ +#define ICMP_REDIRECT_TOSNET 2 /* for tos and net */ +#define ICMP_REDIRECT_TOSHOST 3 /* for tos and host */ +#define ICMP_ECHO 8 /* echo service */ +#define ICMP_TIMXCEED 11 /* time exceeded, codes: */ +#define ICMP_TIMXCEED_INTRANS 0 /* ttl==0 in transit */ +#define ICMP_TIMXCEED_REASS 1 /* ttl==0 in reass */ +#define ICMP_PARAMPROB 12 /* ip header bad */ +#define ICMP_TSTAMP 13 /* timestamp request */ +#define ICMP_TSTAMPREPLY 14 /* timestamp reply */ +#define ICMP_IREQ 15 /* information request */ +#define ICMP_IREQREPLY 16 /* information reply */ +#define ICMP_MASKREQ 17 /* address mask request */ +#define ICMP_MASKREPLY 18 /* address mask reply */ + +/* + * Definitions needed for the udp header structure. + */ + +#define uh_sport source +#define uh_dport dest +#define uh_ulen len +#define uh_sum check + +#endif /* linux */ -- 2.30.2