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76 lines
2.1 KiB
76 lines
2.1 KiB
/* This file is part of the KDE Libraries
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Copyright (c) 2001 Malte Starostik <malte@kde.org>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License version 2 as published by the Free Software Foundation.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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/* See RFC 2131 for details */
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#ifndef __dhcp_h__
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#define __dhcp_h__
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#ifdef HAVE_STDINT_H
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# include <stdint.h>
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#endif
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#define DHCP_OPT_LEN 312
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struct dhcp_msg
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{
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#define DHCP_BOOTREQUEST 1
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#define DHCP_BOOTREPLY 2
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uint8_t op; /* operation */
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uint8_t htype; /* hwaddr type */
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uint8_t hlen; /* hwaddr len */
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uint8_t hops;
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uint32_t xid; /* transaction id */
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uint16_t secs; /* seconds since protocol start */
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#define DHCP_BROADCAST 1
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uint16_t flags;
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uint32_t ciaddr; /* client IP */
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uint32_t yiaddr; /* "your" IP */
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uint32_t siaddr; /* server IP */
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uint32_t giaddr; /* gateway IP */
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uint8_t chaddr[16]; /* client hwaddr */
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uint8_t sname[64]; /* server name */
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uint8_t file[128]; /* bootstrap file */
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uint8_t options[DHCP_OPT_LEN];
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};
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/* first four bytes in options */
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#define DHCP_MAGIC1 0x63
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#define DHCP_MAGIC2 0x82
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#define DHCP_MAGIC3 0x53
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#define DHCP_MAGIC4 0x63
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/* DHCP message types */
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#define DHCP_DISCOVER 1
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#define DHCP_OFFER 2
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#define DHCP_REQUEST 3
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#define DHCP_DECLINE 4
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#define DHCP_ACK 5
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#define DHCP_NAK 6
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#define DHCP_RELEASE 7
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#define DHCP_INFORM 8
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/* option types */
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#define DHCP_OPT_MSGTYPE 0x35
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#define DHCP_OPT_PARAMREQ 0x37
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#define DHCP_OPT_WPAD 0xfc
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#define DHCP_OPT_END 0xff
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#endif
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