NetBSD/usr.sbin/tcpdump/bootp.h

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/* $NetBSD: bootp.h,v 1.4 1999/07/02 11:31:28 itojun Exp $ */
/* @(#) Header: bootp.h,v 1.7 95/05/04 17:52:46 mccanne Exp (LBL) */
/*
* Bootstrap Protocol (BOOTP). RFC951 and RFC1048.
*
* This file specifies the "implementation-independent" BOOTP protocol
* information which is common to both client and server.
*
* Copyright 1988 by Carnegie Mellon.
*
* Permission to use, copy, modify, and distribute this program for any
* purpose and without fee is hereby granted, provided that this copyright
* and permission notice appear on all copies and supporting documentation,
* the name of Carnegie Mellon not be used in advertising or publicity
* pertaining to distribution of the program without specific prior
* permission, and notice be given in supporting documentation that copying
* and distribution is by permission of Carnegie Mellon and Stanford
* University. Carnegie Mellon makes no representations about the
* suitability of this software for any purpose. It is provided "as is"
* without express or implied warranty.
*/
struct bootp {
unsigned char bp_op; /* packet opcode type */
unsigned char bp_htype; /* hardware addr type */
unsigned char bp_hlen; /* hardware addr length */
unsigned char bp_hops; /* gateway hops */
u_int32_t bp_xid; /* transaction ID */
unsigned short bp_secs; /* seconds since boot began */
unsigned short bp_unused;
struct in_addr bp_ciaddr; /* client IP address */
struct in_addr bp_yiaddr; /* 'your' IP address */
struct in_addr bp_siaddr; /* server IP address */
struct in_addr bp_giaddr; /* gateway IP address */
unsigned char bp_chaddr[16]; /* client hardware address */
unsigned char bp_sname[64]; /* server host name */
unsigned char bp_file[128]; /* boot file name */
unsigned char bp_vend[64]; /* vendor-specific area */
};
/*
* UDP port numbers, server and client.
*/
#define IPPORT_BOOTPS 67
#define IPPORT_BOOTPC 68
#define BOOTREPLY 2
#define BOOTREQUEST 1
/*
* Vendor magic cookie (v_magic) for CMU
*/
#define VM_CMU "CMU"
/*
* Vendor magic cookie (v_magic) for RFC1048
*/
#define VM_RFC1048 { 99, 130, 83, 99 }
/*
* RFC1048 tag values used to specify what information is being supplied in
* the vendor field of the packet.
*/
#define TAG_PAD ((unsigned char) 0)
#define TAG_SUBNET_MASK ((unsigned char) 1)
#define TAG_TIME_OFFSET ((unsigned char) 2)
#define TAG_GATEWAY ((unsigned char) 3)
#define TAG_TIME_SERVER ((unsigned char) 4)
#define TAG_NAME_SERVER ((unsigned char) 5)
#define TAG_DOMAIN_SERVER ((unsigned char) 6)
#define TAG_LOG_SERVER ((unsigned char) 7)
#define TAG_COOKIE_SERVER ((unsigned char) 8)
#define TAG_LPR_SERVER ((unsigned char) 9)
#define TAG_IMPRESS_SERVER ((unsigned char) 10)
#define TAG_RLP_SERVER ((unsigned char) 11)
#define TAG_HOSTNAME ((unsigned char) 12)
#define TAG_BOOTSIZE ((unsigned char) 13)
#define TAG_END ((unsigned char) 255)
/* RFC1497 tags */
#define TAG_DUMPPATH ((unsigned char) 14)
#define TAG_DOMAINNAME ((unsigned char) 15)
#define TAG_SWAP_SERVER ((unsigned char) 16)
#define TAG_ROOTPATH ((unsigned char) 17)
#define TAG_EXTPATH ((unsigned char) 18)
/* RFC1533 tags */
#define TAG_IP_FORWARD ((unsigned char) 19)
#define TAG_IP_SRCRT ((unsigned char) 20)
#define TAG_IP_FILTER ((unsigned char) 21)
#define TAG_IP_REASS ((unsigned char) 22)
#define TAG_IP_TTL ((unsigned char) 23)
#define TAG_IP_PMTUTO ((unsigned char) 24)
#define TAG_IP_PMTUPTAB ((unsigned char) 25)
#define TAG_IPIF_MTU ((unsigned char) 26)
#define TAG_IPIF_LSUBNET ((unsigned char) 27)
#define TAG_IPIF_BADDR ((unsigned char) 28)
#define TAG_IPIF_MDISC ((unsigned char) 29)
#define TAG_IPIF_MSUPP ((unsigned char) 30)
#define TAG_IPIF_RDISC ((unsigned char) 31)
#define TAG_IPIF_RSOLADDR ((unsigned char) 32)
#define TAG_IPIF_SROUTE ((unsigned char) 33)
#define TAG_LINK_TRAILER ((unsigned char) 34)
#define TAG_LINK_ARPTO ((unsigned char) 35)
#define TAG_LINK_ETHER802 ((unsigned char) 36)
#define TAG_TCP_DEFTTL ((unsigned char) 37)
#define TAG_TCP_KAINT ((unsigned char) 38)
#define TAG_TCP_KAGARBAGE ((unsigned char) 39)
#define TAG_APP_NISDOM ((unsigned char) 40)
#define TAG_APP_NISOPT ((unsigned char) 41)
#define TAG_APP_NTPSRV ((unsigned char) 42)
#define TAG_VENDOR ((unsigned char) 43)
#define TAG_APP_NB_NS_SERVER ((unsigned char) 44)
#define TAG_APP_NB_DD_SERVER ((unsigned char) 45)
#define TAG_APP_NB_NODETYPE ((unsigned char) 46)
#define TAG_APP_NB_SCOPE ((unsigned char) 47)
#define TAG_APP_X_FS ((unsigned char) 48)
#define TAG_APP_X_DM ((unsigned char) 49)
#define TAG_APP_NISPDOM ((unsigned char) 64)
#define TAG_APP_NISPSRV ((unsigned char) 65)
#define TAG_APP_MIPHA ((unsigned char) 68)
#define TAG_APP_SMTPSRV ((unsigned char) 69)
#define TAG_APP_POP3SRV ((unsigned char) 70)
#define TAG_APP_NNTPSRV ((unsigned char) 71)
#define TAG_APP_HTTPSRV ((unsigned char) 72)
#define TAG_APP_FINGERSRV ((unsigned char) 73)
#define TAG_APP_IRCSRV ((unsigned char) 74)
#define TAG_APP_STREETTALKSRV ((unsigned char) 75)
#define TAG_APP_STREETTALKDA ((unsigned char) 76)
/* (post-)RFC1533 DHCP extensions */
#define TAG_DHCP_REQIPADDR ((unsigned char) 50)
#define TAG_DHCP_LEASETIME ((unsigned char) 51)
#define TAG_DHCP_OVERLOAD ((unsigned char) 52)
#define TAG_DHCP_TFTPSRV ((unsigned char) 66)
#define TAG_DHCP_BOOTFILE ((unsigned char) 67)
#define TAG_DHCP_MSGTYP ((unsigned char) 53)
#define TAG_DHCP_SRVID ((unsigned char) 54)
#define TAG_DHCP_PRMREQ ((unsigned char) 55)
#define TAG_DHCP_MSG ((unsigned char) 56)
#define TAG_DHCP_MAXSIZ ((unsigned char) 57)
#define TAG_DHCP_T1 ((unsigned char) 58)
#define TAG_DHCP_T2 ((unsigned char) 59)
#define TAG_DHCP_CLASSID ((unsigned char) 60)
#define TAG_DHCP_CLIENTID ((unsigned char) 61)
/*
* "vendor" data permitted for CMU bootp clients.
*/
struct cmu_vend {
unsigned char v_magic[4]; /* magic number */
u_int32_t v_flags; /* flags/opcodes, etc. */
struct in_addr v_smask; /* Subnet mask */
struct in_addr v_dgate; /* Default gateway */
struct in_addr v_dns1, v_dns2; /* Domain name servers */
struct in_addr v_ins1, v_ins2; /* IEN-116 name servers */
struct in_addr v_ts1, v_ts2; /* Time servers */
unsigned char v_unused[24]; /* currently unused */
};
/* v_flags values */
#define VF_SMASK 1 /* Subnet mask field contains valid data */