[1224] Added dhcp4.h (import from includes/dhcp.h from ISC DHCP)

src/lib/dhcp/dhcp4.h

@@ -0,0 +1,191 @@
+/* dhcp.h
+
+   Protocol structures... */
+
+/*
+ * Copyright (c) 2004-2011 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1995-2003 by Internet Software Consortium
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ *   Internet Systems Consortium, Inc.
+ *   950 Charter Street
+ *   Redwood City, CA 94063
+ *   <info@isc.org>
+ *   https://www.isc.org/
+ *
+ * This software has been written for Internet Systems Consortium
+ * by Ted Lemon in cooperation with Vixie Enterprises.  To learn more
+ * about Internet Systems Consortium, see ``https://www.isc.org''.
+ * To learn more about Vixie Enterprises, see ``http://www.vix.com''.
+ */
+
+/* 
+ * NOTE: This files is imported from ISC DHCP. It uses C notation.
+ *       Format kept for easier merge.
+ */
+
+#ifndef DHCP_H
+#define DHCP_H
+
+#define DHCP_UDP_OVERHEAD	(20 + /* IP header */			\
+			        8)   /* UDP header */
+#define DHCP_SNAME_LEN		64
+#define DHCP_FILE_LEN		128
+#define DHCP_FIXED_NON_UDP	236
+#define DHCP_FIXED_LEN		(DHCP_FIXED_NON_UDP + DHCP_UDP_OVERHEAD)
+						/* Everything but options. */
+#define BOOTP_MIN_LEN		300
+
+#define DHCP_MTU_MAX		1500
+#define DHCP_MTU_MIN            576
+
+#define DHCP_MAX_OPTION_LEN	(DHCP_MTU_MAX - DHCP_FIXED_LEN)
+#define DHCP_MIN_OPTION_LEN     (DHCP_MTU_MIN - DHCP_FIXED_LEN)
+
+/* BOOTP (rfc951) message types */
+#define	BOOTREQUEST	1
+#define BOOTREPLY	2
+
+/* Possible values for flags field... */
+#define BOOTP_BROADCAST 32768L
+
+/* Possible values for hardware type (htype) field... */
+#define HTYPE_ETHER	1               /* Ethernet 10Mbps              */
+#define HTYPE_IEEE802	6               /* IEEE 802.2 Token Ring...	*/
+#define HTYPE_FDDI	8		/* FDDI...			*/
+
+/* Magic cookie validating dhcp options field (and bootp vendor
+   extensions field). */
+#define DHCP_OPTIONS_COOKIE	"\143\202\123\143"
+
+/* DHCP Option codes: */
+
+#define DHO_PAD					0
+#define DHO_SUBNET_MASK				1
+#define DHO_TIME_OFFSET				2
+#define DHO_ROUTERS				3
+#define DHO_TIME_SERVERS			4
+#define DHO_NAME_SERVERS			5
+#define DHO_DOMAIN_NAME_SERVERS			6
+#define DHO_LOG_SERVERS				7
+#define DHO_COOKIE_SERVERS			8
+#define DHO_LPR_SERVERS				9
+#define DHO_IMPRESS_SERVERS			10
+#define DHO_RESOURCE_LOCATION_SERVERS		11
+#define DHO_HOST_NAME				12
+#define DHO_BOOT_SIZE				13
+#define DHO_MERIT_DUMP				14
+#define DHO_DOMAIN_NAME				15
+#define DHO_SWAP_SERVER				16
+#define DHO_ROOT_PATH				17
+#define DHO_EXTENSIONS_PATH			18
+#define DHO_IP_FORWARDING			19
+#define DHO_NON_LOCAL_SOURCE_ROUTING		20
+#define DHO_POLICY_FILTER			21
+#define DHO_MAX_DGRAM_REASSEMBLY		22
+#define DHO_DEFAULT_IP_TTL			23
+#define DHO_PATH_MTU_AGING_TIMEOUT		24
+#define DHO_PATH_MTU_PLATEAU_TABLE		25
+#define DHO_INTERFACE_MTU			26
+#define DHO_ALL_SUBNETS_LOCAL			27
+#define DHO_BROADCAST_ADDRESS			28
+#define DHO_PERFORM_MASK_DISCOVERY		29
+#define DHO_MASK_SUPPLIER			30
+#define DHO_ROUTER_DISCOVERY			31
+#define DHO_ROUTER_SOLICITATION_ADDRESS		32
+#define DHO_STATIC_ROUTES			33
+#define DHO_TRAILER_ENCAPSULATION		34
+#define DHO_ARP_CACHE_TIMEOUT			35
+#define DHO_IEEE802_3_ENCAPSULATION		36
+#define DHO_DEFAULT_TCP_TTL			37
+#define DHO_TCP_KEEPALIVE_INTERVAL		38
+#define DHO_TCP_KEEPALIVE_GARBAGE		39
+#define DHO_NIS_DOMAIN				40
+#define DHO_NIS_SERVERS				41
+#define DHO_NTP_SERVERS				42
+#define DHO_VENDOR_ENCAPSULATED_OPTIONS		43
+#define DHO_NETBIOS_NAME_SERVERS		44
+#define DHO_NETBIOS_DD_SERVER			45
+#define DHO_NETBIOS_NODE_TYPE			46
+#define DHO_NETBIOS_SCOPE			47
+#define DHO_FONT_SERVERS			48
+#define DHO_X_DISPLAY_MANAGER			49
+#define DHO_DHCP_REQUESTED_ADDRESS		50
+#define DHO_DHCP_LEASE_TIME			51
+#define DHO_DHCP_OPTION_OVERLOAD		52
+#define DHO_DHCP_MESSAGE_TYPE			53
+#define DHO_DHCP_SERVER_IDENTIFIER		54
+#define DHO_DHCP_PARAMETER_REQUEST_LIST		55
+#define DHO_DHCP_MESSAGE			56
+#define DHO_DHCP_MAX_MESSAGE_SIZE		57
+#define DHO_DHCP_RENEWAL_TIME			58
+#define DHO_DHCP_REBINDING_TIME			59
+#define DHO_VENDOR_CLASS_IDENTIFIER		60
+#define DHO_DHCP_CLIENT_IDENTIFIER		61
+#define DHO_NWIP_DOMAIN_NAME			62
+#define DHO_NWIP_SUBOPTIONS			63
+#define DHO_USER_CLASS				77
+#define DHO_FQDN				81
+#define DHO_DHCP_AGENT_OPTIONS			82
+#define DHO_AUTHENTICATE			90  /* RFC3118, was 210 */
+#define DHO_CLIENT_LAST_TRANSACTION_TIME	91
+#define DHO_ASSOCIATED_IP			92
+#define DHO_SUBNET_SELECTION			118 /* RFC3011! */
+#define DHO_DOMAIN_SEARCH			119 /* RFC3397 */
+#define DHO_VIVCO_SUBOPTIONS			124
+#define DHO_VIVSO_SUBOPTIONS			125
+
+#define DHO_END					255
+
+/* DHCP message types. */
+#define DHCPDISCOVER		1
+#define DHCPOFFER		2
+#define DHCPREQUEST		3
+#define DHCPDECLINE		4
+#define DHCPACK			5
+#define DHCPNAK			6
+#define DHCPRELEASE		7
+#define DHCPINFORM		8
+#define DHCPLEASEQUERY		10
+#define DHCPLEASEUNASSIGNED	11
+#define DHCPLEASEUNKNOWN	12
+#define DHCPLEASEACTIVE		13
+
+
+/* Relay Agent Information option subtypes: */
+#define RAI_CIRCUIT_ID	1
+#define RAI_REMOTE_ID	2
+#define RAI_AGENT_ID	3
+#define RAI_LINK_SELECT	5
+
+/* FQDN suboptions: */
+#define FQDN_NO_CLIENT_UPDATE		1
+#define FQDN_SERVER_UPDATE		2
+#define FQDN_ENCODED			3
+#define FQDN_RCODE1			4
+#define FQDN_RCODE2			5
+#define FQDN_HOSTNAME			6
+#define FQDN_DOMAINNAME			7
+#define FQDN_FQDN			8
+#define FQDN_SUBOPTION_COUNT		8
+
+/* Enterprise Suboptions: */
+#define VENDOR_ISC_SUBOPTIONS		2495
+
+#define DHCP4_CLIENT_PORT 68
+#define DHCP4_SERVER_PORT 67
+
+
+#endif /* DHCP_H */
+