Annotation of embedaddon/dhcdrop/src/dhcp.h, revision 1.1
1.1 ! misho 1: #ifndef DHCP_H_
! 2: #define DHCP_H_
! 3:
! 4: /* dhcp.h
! 5:
! 6: Protocol structures... */
! 7:
! 8: /*
! 9: * Copyright (c) 2004-2005 by Internet Systems Consortium, Inc. ("ISC")
! 10: * Copyright (c) 1995-2003 by Internet Software Consortium
! 11: *
! 12: * Permission to use, copy, modify, and distribute this software for any
! 13: * purpose with or without fee is hereby granted, provided that the above
! 14: * copyright notice and this permission notice appear in all copies.
! 15: *
! 16: * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
! 17: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
! 18: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR
! 19: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
! 20: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
! 21: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
! 22: * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
! 23: *
! 24: * Internet Systems Consortium, Inc.
! 25: * 950 Charter Street
! 26: * Redwood City, CA 94063
! 27: * <info@isc.org>
! 28: * http://www.isc.org/
! 29: *
! 30: * This software has been written for Internet Systems Consortium
! 31: * by Ted Lemon in cooperation with Vixie Enterprises. To learn more
! 32: * about Internet Systems Consortium, see ``http://www.isc.org''.
! 33: * To learn more about Vixie Enterprises, see ``http://www.vix.com''.
! 34: */
! 35:
! 36: #define DHCP_UDP_OVERHEAD (20 + /* IP header */ \
! 37: 8) /* UDP header */
! 38: #define DHCP_SNAME_LEN 64
! 39: #define DHCP_FILE_LEN 128
! 40: #define DHCP_FIXED_NON_UDP 236
! 41: #define DHCP_FIXED_LEN (DHCP_FIXED_NON_UDP + DHCP_UDP_OVERHEAD)
! 42: /* Everything but options. */
! 43: #define DHCP_MTU_MAX 1500
! 44: #define DHCP_OPTION_LEN (DHCP_MTU_MAX - DHCP_FIXED_LEN)
! 45:
! 46: #define BOOTP_MIN_LEN 300
! 47: #define DHCP_MIN_LEN 548
! 48:
! 49: struct dhcp_packet {
! 50: uint8_t op; /* 0: Message opcode/type */
! 51: uint8_t htype; /* 1: Hardware addr type (net/if_types.h) */
! 52: uint8_t hlen; /* 2: Hardware addr length */
! 53: uint8_t hops; /* 3: Number of relay agent hops from client */
! 54: uint32_t xid; /* 4: Transaction ID */
! 55: uint16_t secs; /* 8: Seconds since client started looking */
! 56: uint16_t flags; /* 10: Flag bits */
! 57: struct in_addr ciaddr; /* 12: Client IP address (if already in use) */
! 58: struct in_addr yiaddr; /* 16: Client IP address */
! 59: struct in_addr siaddr; /* 18: IP address of next server to talk to */
! 60: struct in_addr giaddr; /* 20: DHCP relay agent IP address */
! 61: unsigned char chaddr [16]; /* 24: Client hardware address */
! 62: char sname [DHCP_SNAME_LEN]; /* 40: Server name */
! 63: char file [DHCP_FILE_LEN]; /* 104: Boot filename */
! 64: unsigned char options [DHCP_OPTION_LEN];
! 65: /* 212: Optional parameters
! 66: (actual length dependent on MTU). */
! 67: };
! 68:
! 69: /* BOOTP (rfc951) message types */
! 70: #define BOOTREQUEST 1
! 71: #define BOOTREPLY 2
! 72:
! 73: /* Possible values for flags field... */
! 74: #define BOOTP_BROADCAST 32768L
! 75:
! 76: /* Possible values for hardware type (htype) field... */
! 77: #define HTYPE_ETHER 1 /* Ethernet 10Mbps */
! 78: #define HTYPE_IEEE802 6 /* IEEE 802.2 Token Ring... */
! 79: #define HTYPE_FDDI 8 /* FDDI... */
! 80:
! 81: /* Magic cookie validating dhcp options field (and bootp vendor
! 82: extensions field). */
! 83: #define DHCP_OPTIONS_COOKIE "\143\202\123\143"
! 84:
! 85: /* DHCP Option codes: */
! 86:
! 87: #define DHO_PAD 0
! 88: #define DHO_SUBNET_MASK 1
! 89: #define DHO_TIME_OFFSET 2
! 90: #define DHO_ROUTERS 3
! 91: #define DHO_TIME_SERVERS 4
! 92: #define DHO_NAME_SERVERS 5
! 93: #define DHO_DOMAIN_NAME_SERVERS 6
! 94: #define DHO_LOG_SERVERS 7
! 95: #define DHO_COOKIE_SERVERS 8
! 96: #define DHO_LPR_SERVERS 9
! 97: #define DHO_IMPRESS_SERVERS 10
! 98: #define DHO_RESOURCE_LOCATION_SERVERS 11
! 99: #define DHO_HOST_NAME 12
! 100: #define DHO_BOOT_SIZE 13
! 101: #define DHO_MERIT_DUMP 14
! 102: #define DHO_DOMAIN_NAME 15
! 103: #define DHO_SWAP_SERVER 16
! 104: #define DHO_ROOT_PATH 17
! 105: #define DHO_EXTENSIONS_PATH 18
! 106: #define DHO_IP_FORWARDING 19
! 107: #define DHO_NON_LOCAL_SOURCE_ROUTING 20
! 108: #define DHO_POLICY_FILTER 21
! 109: #define DHO_MAX_DGRAM_REASSEMBLY 22
! 110: #define DHO_DEFAULT_IP_TTL 23
! 111: #define DHO_PATH_MTU_AGING_TIMEOUT 24
! 112: #define DHO_PATH_MTU_PLATEAU_TABLE 25
! 113: #define DHO_INTERFACE_MTU 26
! 114: #define DHO_ALL_SUBNETS_LOCAL 27
! 115: #define DHO_BROADCAST_ADDRESS 28
! 116: #define DHO_PERFORM_MASK_DISCOVERY 29
! 117: #define DHO_MASK_SUPPLIER 30
! 118: #define DHO_ROUTER_DISCOVERY 31
! 119: #define DHO_ROUTER_SOLICITATION_ADDRESS 32
! 120: #define DHO_STATIC_ROUTES 33
! 121: #define DHO_TRAILER_ENCAPSULATION 34
! 122: #define DHO_ARP_CACHE_TIMEOUT 35
! 123: #define DHO_IEEE802_3_ENCAPSULATION 36
! 124: #define DHO_DEFAULT_TCP_TTL 37
! 125: #define DHO_TCP_KEEPALIVE_INTERVAL 38
! 126: #define DHO_TCP_KEEPALIVE_GARBAGE 39
! 127: #define DHO_NIS_DOMAIN 40
! 128: #define DHO_NIS_SERVERS 41
! 129: #define DHO_NTP_SERVERS 42
! 130: #define DHO_VENDOR_ENCAPSULATED_OPTIONS 43
! 131: #define DHO_NETBIOS_NAME_SERVERS 44
! 132: #define DHO_NETBIOS_DD_SERVER 45
! 133: #define DHO_NETBIOS_NODE_TYPE 46
! 134: #define DHO_NETBIOS_SCOPE 47
! 135: #define DHO_FONT_SERVERS 48
! 136: #define DHO_X_DISPLAY_MANAGER 49
! 137: #define DHO_DHCP_REQUESTED_ADDRESS 50
! 138: #define DHO_DHCP_LEASE_TIME 51
! 139: #define DHO_DHCP_OPTION_OVERLOAD 52
! 140: #define DHO_DHCP_MESSAGE_TYPE 53
! 141: #define DHO_DHCP_SERVER_IDENTIFIER 54
! 142: #define DHO_DHCP_PARAMETER_REQUEST_LIST 55
! 143: #define DHO_DHCP_MESSAGE 56
! 144: #define DHO_DHCP_MAX_MESSAGE_SIZE 57
! 145: #define DHO_DHCP_RENEWAL_TIME 58
! 146: #define DHO_DHCP_REBINDING_TIME 59
! 147: #define DHO_VENDOR_CLASS_IDENTIFIER 60
! 148: #define DHO_DHCP_CLIENT_IDENTIFIER 61
! 149: #define DHO_NWIP_DOMAIN_NAME 62
! 150: #define DHO_NWIP_SUBOPTIONS 63
! 151: #define DHO_USER_CLASS 77
! 152: #define DHO_FQDN 81
! 153: #define DHO_DHCP_AGENT_OPTIONS 82
! 154: #define DHO_SUBNET_SELECTION 118 /* RFC3011! */
! 155: /* The DHO_AUTHENTICATE option is not a standard yet, so I've
! 156: allocated an option out of the "local" option space for it on a
! 157: temporary basis. Once an option code number is assigned, I will
! 158: immediately and shamelessly break this, so don't count on it
! 159: continuing to work. */
! 160: #define DHO_AUTHENTICATE 210
! 161:
! 162: #define DHO_END 255
! 163:
! 164: /* DHCP message types. */
! 165: #define DHCPDISCOVER 1
! 166: #define DHCPOFFER 2
! 167: #define DHCPREQUEST 3
! 168: #define DHCPDECLINE 4
! 169: #define DHCPACK 5
! 170: #define DHCPNAK 6
! 171: #define DHCPRELEASE 7
! 172: #define DHCPINFORM 8
! 173:
! 174: #ifndef _WIN32
! 175:
! 176: /* Relay Agent Information option subtypes: */
! 177: #define RAI_CIRCUIT_ID 1
! 178: #define RAI_REMOTE_ID 2
! 179: #define RAI_AGENT_ID 3
! 180:
! 181: /* FQDN suboptions: */
! 182: #define FQDN_NO_CLIENT_UPDATE 1
! 183: #define FQDN_SERVER_UPDATE 2
! 184: #define FQDN_ENCODED 3
! 185: #define FQDN_RCODE1 4
! 186: #define FQDN_RCODE2 5
! 187: #define FQDN_HOSTNAME 6
! 188: #define FQDN_DOMAINNAME 7
! 189: #define FQDN_FQDN 8
! 190: #define FQDN_SUBOPTION_COUNT 8
! 191:
! 192: #endif
! 193:
! 194: #endif /* #ifndef DHCP_H_ */
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/icons/cvsweb/back.gif){kind=icon}
Return to dhcp.h CVS log ![[TXT]](/icons/cvsweb/text.gif){kind=icon}
![[DIR]](/icons/cvsweb/dir.gif){kind=icon}
Up to [ELWIX - Embedded LightWeight unIX -] / embedaddon / dhcdrop / src