/*	$KAME: config.h,v 1.18 2002/06/14 15:32:55 jinmei Exp $	*//* * Copyright (C) 2002 WIDE Project. * 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. * 3. Neither the name of the project nor the names of its contributors *    may be used to endorse or promote products derived from this software *    without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE PROJECT 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 PROJECT 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. *//* per-interface information */struct dhcp6_if {	struct dhcp6_if *next;	int outsock;	/* timer for the interface */	struct dhcp6_timer *timer;	/* event queue */	TAILQ_HEAD(, dhcp6_event) event_list;		/* static parameters of the interface */	char *ifname;	unsigned int ifid;	u_int32_t linkid;	/* to send link-local packets */	/* configuration parameters */	u_long send_flags;	u_long allow_flags;#define DHCIFF_INFO_ONLY 0x1#define DHCIFF_RAPID_COMMIT 0x2	int server_pref;	/* server preference (server only) */	struct dhcp6_optconf *send_options;	struct dhcp6_list reqopt_list;	struct dhcp6_serverinfo *current_server;	struct dhcp6_serverinfo *servers;};struct dhcp6_event {	TAILQ_ENTRY(dhcp6_event) link;	struct dhcp6_if *ifp;	struct dhcp6_timer *timer;	struct duid serverid;	/* internal timer parameters */	long retrans;	long init_retrans;	long max_retrans_cnt;	long max_retrans_time;	long max_retrans_dur;	int timeouts;		/* number of timeouts */	u_int32_t xid;		/* current transaction ID */	int state;	TAILQ_HEAD(, dhcp6_eventdata) data_list;};typedef enum { DHCP6_DATA_PREFIX } dhcp6_eventdata_t;struct dhcp6_eventdata {	TAILQ_ENTRY(dhcp6_eventdata) link;	struct dhcp6_event *event;	dhcp6_eventdata_t type;	void *data;};struct dhcp6_serverinfo {	struct dhcp6_serverinfo *next;	/* option information provided in the advertisement */	struct dhcp6_optinfo optinfo;	int pref;		/* preference */	int active;		/* bool; if this server is active or not */	/* TODO: remember available information from the server */};/* client status code */enum {DHCP6S_INIT, DHCP6S_SOLICIT, DHCP6S_INFOREQ, DHCP6S_REQUEST,      DHCP6S_RENEW, DHCP6S_REBIND, DHCP6S_IDLE};      struct dhcp6_ifconf {	struct dhcp6_ifconf *next;	char *ifname;	/* configuration flags */	u_long send_flags;	u_long allow_flags;	int server_pref;	/* server preference (server only) */	struct dhcp6_optconf *send_options;	struct dhcp6_optconf *allow_options;	struct dhcp6_list reqopt_list;};struct prefix_ifconf {	struct prefix_ifconf *next;	char *ifname;		/* interface name such as ne0 */	int sla_len;		/* SLA ID length in bits */	u_int32_t sla_id;	/* need more than 32bits? */	int ifid_len;		/* interface ID length in bits */	int ifid_type;		/* EUI-64 and manual (unused?) */	char ifid[16];		/* Interface ID, up to 128bits */};#define IFID_LEN_DEFAULT 64#define SLA_LEN_DEFAULT 16/* per-host configuration */struct host_conf {	struct host_conf *next;	char *name;		/* host name to identify the host */	struct duid duid;	/* DUID for the host */	/* delegated prefixes for the host: */	struct dhcp6_list prefix_list;	/* bindings of delegated prefixes */	struct dhcp6_list prefix_binding_list;};/* DHCP option information */struct dhcp6_optconf {	struct dhcp6_optconf *next;	int type;	int len;	char *val;};/* structures and definitions used in the config file parser */struct cf_namelist {	struct cf_namelist *next;	char *name;	int line;		/* the line number of the config file */	struct cf_list *params;};struct cf_list {	struct cf_list *next;	struct cf_list *tail;	int type;	int line;		/* the line number of the config file */	/* type dependent values: */	long long num;	struct cf_list *list;	void *ptr;};enum {DECL_SEND, DECL_ALLOW, DECL_INFO_ONLY, DECL_REQUEST, DECL_DUID,      DECL_PREFIX, DECL_PREFERENCE,      IFPARAM_SLA_ID, IFPARAM_SLA_LEN,      DHCPOPT_RAPID_COMMIT, DHCPOPT_PREFIX_DELEGATION, DHCPOPT_DNS,      ADDRESS_LIST_ENT };typedef enum {DHCP6_MODE_SERVER, DHCP6_MODE_CLIENT, DHCP6_MODE_RELAY }dhcp6_mode_t;extern const dhcp6_mode_t dhcp6_mode;extern struct dhcp6_if *dhcp6_if;extern struct dhcp6_ifconf *dhcp6_iflist;extern struct prefix_ifconf *prefix_ifconflist;extern struct dhcp6_list dnslist;extern void ifinit __P((char *));extern int configure_interface __P((struct cf_namelist *));extern int configure_prefix_interface __P((struct cf_namelist *));extern int configure_host __P((struct cf_namelist *));extern int configure_global_option __P((void));extern void configure_cleanup __P((void));extern void configure_commit __P((void));extern int cfparse __P((char *));extern struct dhcp6_if *find_ifconfbyname __P((char *));extern struct dhcp6_if *find_ifconfbyid __P((unsigned int));extern struct prefix_ifconf *find_prefixifconf __P((char *));extern struct host_conf *find_hostconf __P((struct duid *));extern struct dhcp6_prefix *find_prefix6 __P((struct dhcp6_list *,					      struct dhcp6_prefix *));