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148 lines
5.0 KiB
C
148 lines
5.0 KiB
C
/************************************************************************
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Copyright 1988, 1991 by Carnegie Mellon University
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All Rights Reserved
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Permission to use, copy, modify, and distribute this software and its
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documentation for any purpose and without fee is hereby granted, provided
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that the above copyright notice appear in all copies and that both that
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copyright notice and this permission notice appear in supporting
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documentation, and that the name of Carnegie Mellon University not be used
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in advertising or publicity pertaining to distribution of the software
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without specific, written prior permission.
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CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
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SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS.
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IN NO EVENT SHALL CMU BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL
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DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
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PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
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ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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SOFTWARE.
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************************************************************************/
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/*
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* Bootstrap Protocol (BOOTP). RFC951 and RFC1395.
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*
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* $Id: bootp.h,v 1.2 1994/08/22 22:14:40 gwr Exp $
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*
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*
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* This file specifies the "implementation-independent" BOOTP protocol
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* information which is common to both client and server.
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*
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*/
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#include "bptypes.h" /* for int32, u_int32 */
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#define BP_CHADDR_LEN 16
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#define BP_SNAME_LEN 64
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#define BP_FILE_LEN 128
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#define BP_VEND_LEN 64
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#define BP_MINPKTSZ 300 /* to check sizeof(struct bootp) */
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struct bootp {
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unsigned char bp_op; /* packet opcode type */
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unsigned char bp_htype; /* hardware addr type */
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unsigned char bp_hlen; /* hardware addr length */
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unsigned char bp_hops; /* gateway hops */
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unsigned int32 bp_xid; /* transaction ID */
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unsigned short bp_secs; /* seconds since boot began */
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unsigned short bp_flags; /* RFC1532 broadcast, etc. */
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struct in_addr bp_ciaddr; /* client IP address */
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struct in_addr bp_yiaddr; /* 'your' IP address */
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struct in_addr bp_siaddr; /* server IP address */
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struct in_addr bp_giaddr; /* gateway IP address */
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unsigned char bp_chaddr[BP_CHADDR_LEN]; /* client hardware address */
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char bp_sname[BP_SNAME_LEN]; /* server host name */
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char bp_file[BP_FILE_LEN]; /* boot file name */
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unsigned char bp_vend[BP_VEND_LEN]; /* vendor-specific area */
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/* note that bp_vend can be longer, extending to end of packet. */
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};
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/*
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* UDP port numbers, server and client.
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*/
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#define IPPORT_BOOTPS 67
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#define IPPORT_BOOTPC 68
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#define BOOTREPLY 2
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#define BOOTREQUEST 1
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/*
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* Hardware types from Assigned Numbers RFC.
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*/
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#define HTYPE_ETHERNET 1
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#define HTYPE_EXP_ETHERNET 2
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#define HTYPE_AX25 3
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#define HTYPE_PRONET 4
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#define HTYPE_CHAOS 5
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#define HTYPE_IEEE802 6
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#define HTYPE_ARCNET 7
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/*
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* Vendor magic cookie (v_magic) for CMU
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*/
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#define VM_CMU "CMU"
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/*
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* Vendor magic cookie (v_magic) for RFC1048
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*/
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#define VM_RFC1048 { 99, 130, 83, 99 }
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/*
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* Tag values used to specify what information is being supplied in
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* the vendor (options) data area of the packet.
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*/
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/* RFC 1048 */
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#define TAG_END ((unsigned char) 255)
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#define TAG_PAD ((unsigned char) 0)
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#define TAG_SUBNET_MASK ((unsigned char) 1)
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#define TAG_TIME_OFFSET ((unsigned char) 2)
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#define TAG_GATEWAY ((unsigned char) 3)
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#define TAG_TIME_SERVER ((unsigned char) 4)
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#define TAG_NAME_SERVER ((unsigned char) 5)
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#define TAG_DOMAIN_SERVER ((unsigned char) 6)
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#define TAG_LOG_SERVER ((unsigned char) 7)
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#define TAG_COOKIE_SERVER ((unsigned char) 8)
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#define TAG_LPR_SERVER ((unsigned char) 9)
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#define TAG_IMPRESS_SERVER ((unsigned char) 10)
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#define TAG_RLP_SERVER ((unsigned char) 11)
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#define TAG_HOST_NAME ((unsigned char) 12)
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#define TAG_BOOT_SIZE ((unsigned char) 13)
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/* RFC 1395 */
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#define TAG_DUMP_FILE ((unsigned char) 14)
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#define TAG_DOMAIN_NAME ((unsigned char) 15)
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#define TAG_SWAP_SERVER ((unsigned char) 16)
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#define TAG_ROOT_PATH ((unsigned char) 17)
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/* RFC 1497 */
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#define TAG_EXTEN_FILE ((unsigned char) 18)
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/* RFC 1533 */
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#define TAG_NIS_DOMAIN ((unsigned char) 40)
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#define TAG_NIS_SERVER ((unsigned char) 41)
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#define TAG_NTP_SERVER ((unsigned char) 42)
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/* DHCP maximum message size. */
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#define TAG_MAX_MSGSZ ((unsigned char) 57)
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/* XXX - Add new tags here */
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/*
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* "vendor" data permitted for CMU bootp clients.
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*/
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struct cmu_vend {
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char v_magic[4]; /* magic number */
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unsigned int32 v_flags; /* flags/opcodes, etc. */
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struct in_addr v_smask; /* Subnet mask */
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struct in_addr v_dgate; /* Default gateway */
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struct in_addr v_dns1, v_dns2; /* Domain name servers */
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struct in_addr v_ins1, v_ins2; /* IEN-116 name servers */
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struct in_addr v_ts1, v_ts2; /* Time servers */
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int32 v_unused[6]; /* currently unused */
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};
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/* v_flags values */
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#define VF_SMASK 1 /* Subnet mask field contains valid data */
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