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Diffstat (limited to 'workspace/networkDiscovery/dhcpcd/dhcp.h')
| -rw-r--r-- | workspace/networkDiscovery/dhcpcd/dhcp.h | 215 |
1 files changed, 0 insertions, 215 deletions
diff --git a/workspace/networkDiscovery/dhcpcd/dhcp.h b/workspace/networkDiscovery/dhcpcd/dhcp.h deleted file mode 100644 index ef97b75..0000000 --- a/workspace/networkDiscovery/dhcpcd/dhcp.h +++ /dev/null @@ -1,215 +0,0 @@ -/* - * dhcpcd - DHCP client daemon - * Copyright 2006-2008 Roy Marples <roy@marples.name> - * All rights reserved - - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#ifndef DHCP_H -#define DHCP_H - -#include <netinet/in_systm.h> -#include <netinet/in.h> -#include <netinet/ip.h> -#include <netinet/udp.h> -#include <stdint.h> - -#include "dhcpcd.h" -#include "interface.h" - -/* Max MTU - defines dhcp option length */ -#define MTU_MAX 1500 -#define MTU_MIN 576 - -/* UDP port numbers for DHCP */ -#define DHCP_SERVER_PORT 67 -#define DHCP_CLIENT_PORT 68 - -#define MAGIC_COOKIE 0x63825363 -#define BROADCAST_FLAG 0x8000 - -/* DHCP message OP code */ -#define DHCP_BOOTREQUEST 1 -#define DHCP_BOOTREPLY 2 - -/* DHCP message type */ -#define DHCP_DISCOVER 1 -#define DHCP_OFFER 2 -#define DHCP_REQUEST 3 -#define DHCP_DECLINE 4 -#define DHCP_ACK 5 -#define DHCP_NAK 6 -#define DHCP_RELEASE 7 -#define DHCP_INFORM 8 - -/* DHCP options */ -enum DHCP_OPTIONS -{ - DHCP_PAD = 0, - DHCP_NETMASK = 1, - DHCP_TIMEROFFSET = 2, - DHCP_ROUTERS = 3, - DHCP_TIMESERVER = 4, - DHCP_NAMESERVER = 5, - DHCP_DNSSERVER = 6, - DHCP_LOGSERVER = 7, - DHCP_COOKIESERVER = 8, - DHCP_HOSTNAME = 12, - DHCP_DNSDOMAIN = 15, - DHCP_ROOTPATH = 17, - DHCP_DEFAULTIPTTL = 23, - DHCP_MTU = 26, - DHCP_BROADCAST = 28, - DHCP_MASKDISCOVERY = 29, - DHCP_ROUTERDISCOVERY = 31, - DHCP_STATICROUTE = 33, - DHCP_NISDOMAIN = 40, - DHCP_NISSERVER = 41, - DHCP_NTPSERVER = 42, - DHCP_ADDRESS = 50, - DHCP_LEASETIME = 51, - DHCP_OPTIONSOVERLOADED = 52, - DHCP_MESSAGETYPE = 53, - DHCP_SERVERIDENTIFIER = 54, - DHCP_PARAMETERREQUESTLIST = 55, - DHCP_MESSAGE = 56, - DHCP_MAXMESSAGESIZE = 57, - DHCP_RENEWALTIME = 58, - DHCP_REBINDTIME = 59, - DHCP_CLASSID = 60, - DHCP_CLIENTID = 61, - DHCP_USERCLASS = 77, /* RFC 3004 */ - DHCP_FQDN = 81, - DHCP_DNSSEARCH = 119, /* RFC 3397 */ - DHCP_SIPSERVER = 120, /* RFC 3361 */ - DHCP_CSR = 121, /* RFC 3442 */ - DHCP_MSCSR = 249, /* MS code for RFC 3442 */ - DHCP_END = 255 -}; - -/* SetFQDNHostName values - lsnybble used in flags - * byte (see buildmsg.c), hsnybble to create order - * and to allow 0x00 to mean disable - */ -enum FQQN { - FQDN_DISABLE = 0x00, - FQDN_NONE = 0x18, - FQDN_PTR = 0x20, - FQDN_BOTH = 0x31 -}; - -typedef struct fqdn_t -{ - uint8_t flags; - uint8_t r1; - uint8_t r2; - char *name; -} fqdn_t; - -typedef struct dhcp_t -{ - char version[11]; - - struct in_addr serveraddress; - char serverhw[IF_NAMESIZE]; - char servername[64]; - - struct in_addr address; - struct in_addr netmask; - struct in_addr broadcast; - unsigned short mtu; - - uint32_t leasedfrom; - uint32_t leasetime; - uint32_t renewaltime; - uint32_t rebindtime; - - struct route_head *routes; - - char *hostname; - fqdn_t *fqdn; - - struct address_head *dnsservers; - char *dnsdomain; - char *dnssearch; - - struct address_head *ntpservers; - - struct address_head *nisservers; - char *nisdomain; - - char *sipservers; - - char *message; - char *rootpath; - - bool frominfo; -} dhcp_t; - -/* Sizes for DHCP options */ -#define DHCP_CHADDR_LEN 16 -#define SERVERNAME_LEN 64 -#define BOOTFILE_LEN 128 -#define DHCP_UDP_LEN (20 + 8) -#define DHCP_BASE_LEN (4 + 4 + 2 + 2 + 4 + 4 + 4 + 4 + 4) -#define DHCP_RESERVE_LEN (4 + 4 + 4 + 4 + 2) -#define DHCP_FIXED_LEN (DHCP_BASE_LEN + DHCP_CHADDR_LEN + \ - + SERVERNAME_LEN + BOOTFILE_LEN) -#define DHCP_OPTION_LEN (MTU_MAX - DHCP_FIXED_LEN - DHCP_UDP_LEN \ - - DHCP_RESERVE_LEN) - -/* Some crappy DHCP servers require the BOOTP minimum length */ -#define BOOTP_MESSAGE_LENTH_MIN 300 - -typedef struct dhcpmessage_t -{ - unsigned char op; /* message type */ - unsigned char hwtype; /* hardware address type */ - unsigned char hwlen; /* hardware address length */ - unsigned char hwopcount; /* should be zero in client message */ - uint32_t xid; /* transaction id */ - uint16_t secs; /* elapsed time in sec. from boot */ - uint16_t flags; - uint32_t ciaddr; /* (previously allocated) client IP */ - uint32_t yiaddr; /* 'your' client IP address */ - uint32_t siaddr; /* should be zero in client's messages */ - uint32_t giaddr; /* should be zero in client's messages */ - unsigned char chaddr[DHCP_CHADDR_LEN]; /* client's hardware address */ - unsigned char servername[SERVERNAME_LEN]; /* server host name */ - unsigned char bootfile[BOOTFILE_LEN]; /* boot file name */ - uint32_t cookie; - unsigned char options[DHCP_OPTION_LEN]; /* message options - cookie */ -} dhcpmessage_t; - -struct udp_dhcp_packet -{ - struct ip ip; - struct udphdr udp; - dhcpmessage_t dhcp; -}; - -ssize_t send_message (const interface_t *iface, const dhcp_t *dhcp, - uint32_t xid, char type, const options_t *options); -void free_dhcp (dhcp_t *dhcp); -int parse_dhcpmessage (dhcp_t *dhcp, const dhcpmessage_t *message); -#endif |