mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-16 10:20:30 +00:00
646cf5017b
identifier to the DHCP server. Now you can check for this string in your dhcp configuration to decide whether you will hand out a lease to the client or not.
146 lines
4.5 KiB
C
146 lines
4.5 KiB
C
/* $NetBSD: bootp.h,v 1.4 1997/09/06 13:55:57 drochner Exp $ */
|
||
|
||
/*
|
||
* 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.
|
||
*
|
||
* $FreeBSD$
|
||
*/
|
||
|
||
|
||
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 */
|
||
unsigned int bp_xid; /* transaction ID */
|
||
unsigned short bp_secs; /* seconds since boot began */
|
||
unsigned short bp_flags;
|
||
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 */
|
||
#ifdef SUPPORT_DHCP
|
||
#define BOOTP_VENDSIZE 312
|
||
#else
|
||
#define BOOTP_VENDSIZE 64
|
||
#endif
|
||
unsigned char bp_vend[BOOTP_VENDSIZE]; /* 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_DUMPFILE ((unsigned char) 14)
|
||
#define TAG_DOMAINNAME ((unsigned char) 15)
|
||
#define TAG_SWAPSERVER ((unsigned char) 16)
|
||
#define TAG_ROOTPATH ((unsigned char) 17)
|
||
|
||
#ifdef SUPPORT_DHCP
|
||
#define TAG_REQ_ADDR ((unsigned char) 50)
|
||
#define TAG_LEASETIME ((unsigned char) 51)
|
||
#define TAG_OVERLOAD ((unsigned char) 52)
|
||
#define TAG_DHCP_MSGTYPE ((unsigned char) 53)
|
||
#define TAG_SERVERID ((unsigned char) 54)
|
||
#define TAG_PARAM_REQ ((unsigned char) 55)
|
||
#define TAG_MSG ((unsigned char) 56)
|
||
#define TAG_MAXSIZE ((unsigned char) 57)
|
||
#define TAG_T1 ((unsigned char) 58)
|
||
#define TAG_T2 ((unsigned char) 59)
|
||
#define TAG_CLASSID ((unsigned char) 60)
|
||
#define TAG_CLIENTID ((unsigned char) 61)
|
||
#endif
|
||
|
||
#define TAG_END ((unsigned char) 255)
|
||
|
||
#ifdef SUPPORT_DHCP
|
||
#define DHCPDISCOVER 1
|
||
#define DHCPOFFER 2
|
||
#define DHCPREQUEST 3
|
||
#define DHCPDECLINE 4
|
||
#define DHCPACK 5
|
||
#define DHCPNAK 6
|
||
#define DHCPRELEASE 7
|
||
#endif
|
||
|
||
/*
|
||
* bootp flags
|
||
*/
|
||
#define BOOTP_NONE 0x0000 /* No flags */
|
||
#define BOOTP_PXE 0x0001 /* Booting from PXE. */
|
||
|
||
/*
|
||
* "vendor" data permitted for CMU bootp clients.
|
||
*/
|
||
|
||
struct cmu_vend {
|
||
unsigned char v_magic[4]; /* magic number */
|
||
unsigned int 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[25]; /* currently unused */
|
||
};
|
||
|
||
|
||
/* v_flags values */
|
||
#define VF_SMASK 1 /* Subnet mask field contains valid data */
|