[dragonfly.git] / sbin / dhclient / dhcpd.h

/*	$OpenBSD: src/sbin/dhclient/dhcpd.h,v 1.75 2012/06/24 16:01:18 krw Exp $	*/

/*
 * Copyright (c) 2004 Henning Brauer <henning@openbsd.org>
 * Copyright (c) 1995, 1996, 1997, 1998, 1999
 * The Internet Software Consortium.    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 Internet Software Consortium 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 INTERNET SOFTWARE CONSORTIUM 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 INTERNET SOFTWARE CONSORTIUM 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.
 *
 * This software has been written for the Internet Software Consortium
 * by Ted Lemon <mellon@fugue.com> in cooperation with Vixie
 * Enterprises.  To learn more about the Internet Software Consortium,
 * see ``http://www.vix.com/isc''.  To learn more about Vixie
 * Enterprises, see ``http://www.vix.com''.
 */

#include <sys/socket.h>
#include <sys/sockio.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/wait.h>

#include <arpa/inet.h>
#include <net/if.h>
#include <net/if_dl.h>
#include <net/route.h>
#include <netinet/in.h>
#include <netinet/if_ether.h>

#include <ctype.h>
#include <errno.h>
#include <fcntl.h>
#include <limits.h>
#include <netdb.h>
#include <paths.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <syslog.h>
#include <time.h>
#include <unistd.h>

#include "dhcp.h"

#define	LOCAL_PORT	68
#define	REMOTE_PORT	67

struct option {
	char *name;
	char *format;
};

struct option_data {
	unsigned int	 len;
	u_int8_t	*data;
};

struct string_list {
	struct string_list	*next;
	char			string[1];	/* Actually bigger. */
};

struct iaddr {
	int len;
	unsigned char iabuf[16];
};

struct iaddrlist {
	struct iaddrlist *next;
	struct iaddr addr;
};

struct hardware {
	u_int8_t htype;
	u_int8_t hlen;
	u_int8_t haddr[16];
};

struct client_lease {
	struct client_lease	*next;
	time_t			 expiry, renewal, rebind;
	struct iaddr		 address;
	char			*server_name;
	char			*filename;
	unsigned int		 is_static : 1;
	unsigned int		 is_bootp : 1;
	struct option_data	 options[256];
};

/* Possible states in which the client can be. */
enum dhcp_state {
	S_REBOOTING,
	S_INIT,
	S_SELECTING,
	S_REQUESTING,
	S_BOUND,
	S_RENEWING,
	S_REBINDING
};

struct client_config {
	struct option_data	defaults[256];
	enum {
		ACTION_DEFAULT,
		ACTION_SUPERSEDE,
		ACTION_PREPEND,
		ACTION_APPEND
	} default_actions[256];

	struct option_data	 send_options[256];
	u_int8_t		 required_options[256];
	u_int8_t		 requested_options[256];
	int			 requested_option_count;
	time_t			 timeout;
	time_t			 initial_interval;
	time_t			 link_timeout;
	time_t			 retry_interval;
	time_t			 select_interval;
	time_t			 reboot_timeout;
	time_t			 backoff_cutoff;
	char			*script_name;
	enum { IGNORE, ACCEPT, PREFER }
				 bootp_policy;
	struct iaddrlist	*reject_list;
};

struct client_state {
	struct client_lease	 *active;
	struct client_lease	 *new;
	struct client_lease	 *offered_leases;
	struct client_lease	 *leases;
	enum dhcp_state		  state;
	struct iaddr		  destination;
	u_int32_t		  xid;
	u_int16_t		  secs;
	time_t			  first_sending;
	time_t			  interval;
	struct dhcp_packet	  packet;
	int			  packet_length;
	struct iaddr		  requested_address;
	char			**scriptEnv;
	int			  scriptEnvsize;
};

struct interface_info {
	struct hardware		 hw_address;
	struct in_addr		 primary_address;
	char			 name[IFNAMSIZ];
	int			 rfdesc;
	int			 wfdesc;
	int			 ufdesc; /* unicast */
	unsigned char		*rbuf;
	size_t			 rbuf_max;
	size_t			 rbuf_offset;
	size_t			 rbuf_len;
	struct ifreq		*ifp;
	int			 noifmedia;
	int			 errors;
	u_int16_t		 index;
	int			 linkstat;
};

struct timeout {
	struct timeout	*next;
	time_t		 when;
	void		 (*func)(void);
};

#define	_PATH_DHCLIENT_CONF	"/etc/dhclient.conf"
#define	_PATH_DHCLIENT_DB	"/var/db/dhclient.leases"
#define	_PATH_DHCLIENT_SCRIPT	"/sbin/dhclient-script"
#define	DHCPD_LOG_FACILITY	LOG_DAEMON

/* External definitions... */

extern struct interface_info *ifi;
extern struct client_state *client;
extern struct client_config *config;

/* options.c */
int cons_options(struct option_data *);
char *pretty_print_option(unsigned int, unsigned char *, int, int, int);
void do_packet(int, unsigned int, struct iaddr, struct hardware *);

/* errwarn.c */
extern int warnings_occurred;
void error(char *, ...) __attribute__ ((__format__ (__printf__, 1, 2)));
int warning(char *, ...) __attribute__ ((__format__ (__printf__, 1, 2)));
int note(char *, ...) __attribute__ ((__format__ (__printf__, 1, 2)));
#ifdef DEBUG
int debug(char *, ...) __attribute__ ((__format__ (__printf__, 1, 2)));
#endif
int parse_warn(char *, ...) __attribute__ ((__format__ (__printf__, 1, 2)));

/* conflex.c */
extern int lexline, lexchar;
extern char *token_line, *tlname;
void new_parse(char *);
int next_token(char **, FILE *);
int peek_token(char **, FILE *);

/* parse.c */
void skip_to_semi(FILE *);
int parse_semi(FILE *);
char *parse_string(FILE *);
int parse_ip_addr(FILE *, struct iaddr *);
void parse_hardware_param(FILE *, struct hardware *);
void parse_lease_time(FILE *, time_t *);
int parse_numeric_aggregate(FILE *, unsigned char *, int, int, int);
void convert_num(unsigned char *, char *, int, int);
time_t parse_date(FILE *);

/* bpf.c */
int if_register_bpf(void);
void if_register_send(void);
void if_register_receive(void);
ssize_t send_packet(struct in_addr, struct sockaddr_in *, struct hardware *);
ssize_t receive_packet(struct sockaddr_in *, struct hardware *);

/* dispatch.c */
void discover_interface(void);
void reinitialize_interface(void);
void dispatch(void);
void got_one(void);
void add_timeout(time_t, void (*)(void));
void cancel_timeout(void (*)(void));
int interface_status(char *);
int interface_link_forceup(char *);

/* tables.c */
extern const struct option dhcp_options[256];

/* convert.c */
u_int32_t getULong(unsigned char *);
int32_t getLong(unsigned char *);
u_int16_t getUShort(unsigned char *);
int16_t getShort(unsigned char *);
void putULong(unsigned char *, u_int32_t);
void putLong(unsigned char *, int32_t);
void putUShort(unsigned char *, unsigned int);
void putShort(unsigned char *, int);

/* inet.c */
struct iaddr subnet_number(struct iaddr, struct iaddr);
struct iaddr broadcast_addr(struct iaddr, struct iaddr);
int addr_eq(struct iaddr, struct iaddr);
char *piaddr(struct iaddr);

/* dhclient.c */
extern char *path_dhclient_conf;
extern char *path_dhclient_db;
extern time_t cur_time;
extern int log_perror;
extern int routefd;

void dhcpoffer(struct iaddr, struct option_data *);
void dhcpack(struct iaddr, struct option_data *);
void dhcpnak(struct iaddr, struct option_data *);

void send_discover(void);
void send_request(void);
void send_decline(void);

void state_reboot(void);
void state_init(void);
void state_selecting(void);
void state_bound(void);
void state_panic(void);

void bind_lease(void);

void make_discover(struct client_lease *);
void make_request(struct client_lease *);
void make_decline(struct client_lease *);

void free_client_lease(struct client_lease *);
void rewrite_client_leases(void);
void write_client_lease(struct client_lease *);

void	 priv_script_init(char *);
void	 priv_script_write_params(char *, struct client_lease *);
int	 priv_script_go(void);

void script_init(char *);
void script_write_params(char *, struct client_lease *);
int script_go(void);
void script_set_env(const char *, const char *, const char *);
void script_flush_env(void);
int dhcp_option_ev_name(char *, size_t, const struct option *);

struct client_lease *packet_to_lease(struct option_data *);
void go_daemon(void);

void routehandler(void);

/* packet.c */
void assemble_hw_header(unsigned char *, int *, struct hardware *);
void assemble_udp_ip_header(unsigned char *, int *, u_int32_t, u_int32_t,
    unsigned int, unsigned char *, int);
ssize_t decode_hw_header(unsigned char *, int, struct hardware *);
ssize_t decode_udp_ip_header(unsigned char *, int, struct sockaddr_in *,
    unsigned char *, int);

/* clparse.c */
int read_client_conf(void);
void read_client_leases(void);
void parse_client_statement(FILE *);
int parse_X(FILE *, u_int8_t *, int);
int parse_option_list(FILE *, u_int8_t *);
void parse_interface_declaration(FILE *);
void parse_client_lease_statement(FILE *, int);
void parse_client_lease_declaration(FILE *, struct client_lease *);
int parse_option_decl(FILE *, struct option_data *);
void parse_string_list(FILE *, struct string_list **, int);
void parse_reject_statement(FILE *);
Commit	Line	Data
80d26e48	1	/* $OpenBSD: src/sbin/dhclient/dhcpd.h,v 1.75 2012/06/24 16:01:18 krw Exp $ */
846204b6 HT	2
	3	/*
	4	* Copyright (c) 2004 Henning Brauer <henning@openbsd.org>
	5	* Copyright (c) 1995, 1996, 1997, 1998, 1999
	6	* The Internet Software Consortium. All rights reserved.
	7	*
	8	* Redistribution and use in source and binary forms, with or without
	9	* modification, are permitted provided that the following conditions
	10	* are met:
	11	*
	12	* 1. Redistributions of source code must retain the above copyright
	13	* notice, this list of conditions and the following disclaimer.
	14	* 2. Redistributions in binary form must reproduce the above copyright
	15	* notice, this list of conditions and the following disclaimer in the
	16	* documentation and/or other materials provided with the distribution.
	17	* 3. Neither the name of The Internet Software Consortium nor the names
	18	* of its contributors may be used to endorse or promote products derived
	19	* from this software without specific prior written permission.
	20	*
	21	* THIS SOFTWARE IS PROVIDED BY THE INTERNET SOFTWARE CONSORTIUM AND
	22	* CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
	23	* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
	24	* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
	25	* DISCLAIMED. IN NO EVENT SHALL THE INTERNET SOFTWARE CONSORTIUM OR
	26	* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
	27	* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
	28	* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
	29	* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
	30	* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
	31	* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
	32	* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	33	* SUCH DAMAGE.
	34	*
	35	* This software has been written for the Internet Software Consortium
	36	* by Ted Lemon <mellon@fugue.com> in cooperation with Vixie
	37	* Enterprises. To learn more about the Internet Software Consortium,
	38	* see ``http://www.vix.com/isc''. To learn more about Vixie
	39	* Enterprises, see ``http://www.vix.com''.
	40	*/
	41
	42	#include <sys/socket.h>
	43	#include <sys/sockio.h>
	44	#include <sys/stat.h>
	45	#include <sys/time.h>
	46	#include <sys/types.h>
	47	#include <sys/wait.h>
	48
	49	#include <arpa/inet.h>
	50	#include <net/if.h>
	51	#include <net/if_dl.h>
	52	#include <net/route.h>
	53	#include <netinet/in.h>
bdf60627	54	#include <netinet/if_ether.h>
846204b6 HT	55
	56	#include <ctype.h>
	57	#include <errno.h>
	58	#include <fcntl.h>
	59	#include <limits.h>
	60	#include <netdb.h>
	61	#include <paths.h>
	62	#include <stdarg.h>
	63	#include <stdio.h>
	64	#include <stdlib.h>
	65	#include <string.h>
	66	#include <syslog.h>
	67	#include <time.h>
	68	#include <unistd.h>
	69
	70	#include "dhcp.h"
	71
	72	#define LOCAL_PORT 68
	73	#define REMOTE_PORT 67
	74
	75	struct option {
	76	char *name;
	77	char *format;
	78	};
	79
	80	struct option_data {
	81	unsigned int len;
	82	u_int8_t *data;
	83	};
	84
	85	struct string_list {
	86	struct string_list *next;
	87	char string[1]; /* Actually bigger. */
	88	};
	89
	90	struct iaddr {
	91	int len;
	92	unsigned char iabuf[16];
	93	};
	94
	95	struct iaddrlist {
	96	struct iaddrlist *next;
	97	struct iaddr addr;
	98	};
	99
	100	struct hardware {
	101	u_int8_t htype;
	102	u_int8_t hlen;
	103	u_int8_t haddr[16];
	104	};
	105
	106	struct client_lease {
	107	struct client_lease *next;
	108	time_t expiry, renewal, rebind;
	109	struct iaddr address;
	110	char *server_name;
	111	char *filename;
846204b6 HT	112	unsigned int is_static : 1;
	113	unsigned int is_bootp : 1;
	114	struct option_data options[256];
	115	};
	116
	117	/* Possible states in which the client can be. */
	118	enum dhcp_state {
	119	S_REBOOTING,
	120	S_INIT,
	121	S_SELECTING,
	122	S_REQUESTING,
	123	S_BOUND,
	124	S_RENEWING,
	125	S_REBINDING
	126	};
	127
	128	struct client_config {
	129	struct option_data defaults[256];
	130	enum {
	131	ACTION_DEFAULT,
	132	ACTION_SUPERSEDE,
	133	ACTION_PREPEND,
	134	ACTION_APPEND
	135	} default_actions[256];
	136
	137	struct option_data send_options[256];
	138	u_int8_t required_options[256];
	139	u_int8_t requested_options[256];
	140	int requested_option_count;
	141	time_t timeout;
	142	time_t initial_interval;
	143	time_t link_timeout;
	144	time_t retry_interval;
	145	time_t select_interval;
	146	time_t reboot_timeout;
	147	time_t backoff_cutoff;
846204b6 HT	148	char *script_name;
	149	enum { IGNORE, ACCEPT, PREFER }
	150	bootp_policy;
846204b6 HT	151	struct iaddrlist *reject_list;
	152	};
	153
	154	struct client_state {
	155	struct client_lease *active;
	156	struct client_lease *new;
	157	struct client_lease *offered_leases;
	158	struct client_lease *leases;
846204b6 HT	159	enum dhcp_state state;
	160	struct iaddr destination;
	161	u_int32_t xid;
	162	u_int16_t secs;
	163	time_t first_sending;
	164	time_t interval;
846204b6 HT	165	struct dhcp_packet packet;
	166	int packet_length;
	167	struct iaddr requested_address;
	168	char **scriptEnv;
	169	int scriptEnvsize;
	170	};
	171
	172	struct interface_info {
	173	struct hardware hw_address;
	174	struct in_addr primary_address;
	175	char name[IFNAMSIZ];
	176	int rfdesc;
	177	int wfdesc;
	178	int ufdesc; /* unicast */
	179	unsigned char *rbuf;
	180	size_t rbuf_max;
	181	size_t rbuf_offset;
	182	size_t rbuf_len;
	183	struct ifreq *ifp;
	184	int noifmedia;
	185	int errors;
	186	u_int16_t index;
	187	int linkstat;
	188	};
	189
	190	struct timeout {
	191	struct timeout *next;
	192	time_t when;
	193	void (*func)(void);
	194	};
	195
	196	#define _PATH_DHCLIENT_CONF "/etc/dhclient.conf"
	197	#define _PATH_DHCLIENT_DB "/var/db/dhclient.leases"
	198	#define _PATH_DHCLIENT_SCRIPT "/sbin/dhclient-script"
	199	#define DHCPD_LOG_FACILITY LOG_DAEMON
	200
	201	/* External definitions... */
	202
	203	extern struct interface_info *ifi;
	204	extern struct client_state *client;
	205	extern struct client_config *config;
	206
	207	/* options.c */
741bbb9f	208	int cons_options(struct option_data *);
846204b6 HT	209	char pretty_print_option(unsigned int, unsigned char , int, int, int);
	210	void do_packet(int, unsigned int, struct iaddr, struct hardware *);
	211
	212	/* errwarn.c */
	213	extern int warnings_occurred;
	214	void error(char *, ...) __attribute__ ((__format__ (__printf__, 1, 2)));
	215	int warning(char *, ...) __attribute__ ((__format__ (__printf__, 1, 2)));
	216	int note(char *, ...) __attribute__ ((__format__ (__printf__, 1, 2)));
4cada237	217	#ifdef DEBUG
846204b6	218	int debug(char *, ...) __attribute__ ((__format__ (__printf__, 1, 2)));
4cada237	219	#endif
846204b6 HT	220	int parse_warn(char *, ...) __attribute__ ((__format__ (__printf__, 1, 2)));
	221
	222	/* conflex.c */
	223	extern int lexline, lexchar;
	224	extern char token_line, tlname;
	225	void new_parse(char *);
	226	int next_token(char *, FILE );
	227	int peek_token(char *, FILE );
	228
	229	/* parse.c */
	230	void skip_to_semi(FILE *);
	231	int parse_semi(FILE *);
	232	char parse_string(FILE );
	233	int parse_ip_addr(FILE , struct iaddr );
	234	void parse_hardware_param(FILE , struct hardware );
	235	void parse_lease_time(FILE , time_t );
	236	int parse_numeric_aggregate(FILE , unsigned char , int, int, int);
	237	void convert_num(unsigned char , char , int, int);
	238	time_t parse_date(FILE *);
	239
	240	/* bpf.c */
	241	int if_register_bpf(void);
	242	void if_register_send(void);
	243	void if_register_receive(void);
	244	ssize_t send_packet(struct in_addr, struct sockaddr_in , struct hardware );
	245	ssize_t receive_packet(struct sockaddr_in , struct hardware );
	246
	247	/* dispatch.c */
	248	void discover_interface(void);
	249	void reinitialize_interface(void);
	250	void dispatch(void);
	251	void got_one(void);
	252	void add_timeout(time_t, void (*)(void));
	253	void cancel_timeout(void (*)(void));
	254	int interface_status(char *);
846204b6	255	int interface_link_forceup(char *);
846204b6 HT	256
	257	/* tables.c */
	258	extern const struct option dhcp_options[256];
	259
	260	/* convert.c */
	261	u_int32_t getULong(unsigned char *);
	262	int32_t getLong(unsigned char *);
	263	u_int16_t getUShort(unsigned char *);
	264	int16_t getShort(unsigned char *);
	265	void putULong(unsigned char *, u_int32_t);
	266	void putLong(unsigned char *, int32_t);
	267	void putUShort(unsigned char *, unsigned int);
	268	void putShort(unsigned char *, int);
	269
	270	/* inet.c */
	271	struct iaddr subnet_number(struct iaddr, struct iaddr);
	272	struct iaddr broadcast_addr(struct iaddr, struct iaddr);
	273	int addr_eq(struct iaddr, struct iaddr);
	274	char *piaddr(struct iaddr);
	275
	276	/* dhclient.c */
	277	extern char *path_dhclient_conf;
	278	extern char *path_dhclient_db;
	279	extern time_t cur_time;
	280	extern int log_perror;
	281	extern int routefd;
	282
	283	void dhcpoffer(struct iaddr, struct option_data *);
	284	void dhcpack(struct iaddr, struct option_data *);
	285	void dhcpnak(struct iaddr, struct option_data *);
	286
	287	void send_discover(void);
	288	void send_request(void);
	289	void send_decline(void);
	290
	291	void state_reboot(void);
	292	void state_init(void);
	293	void state_selecting(void);
	294	void state_bound(void);
	295	void state_panic(void);
	296
	297	void bind_lease(void);
	298
	299	void make_discover(struct client_lease *);
	300	void make_request(struct client_lease *);
	301	void make_decline(struct client_lease *);
	302
	303	void free_client_lease(struct client_lease *);
	304	void rewrite_client_leases(void);
cc08537d	305	void write_client_lease(struct client_lease *);
846204b6	306
7cbe3601	307	void priv_script_init(char *);
846204b6 HT	308	void priv_script_write_params(char , struct client_lease );
	309	int priv_script_go(void);
	310
7cbe3601	311	void script_init(char *);
846204b6 HT	312	void script_write_params(char , struct client_lease );
	313	int script_go(void);
	314	void script_set_env(const char , const char , const char *);
	315	void script_flush_env(void);
	316	int dhcp_option_ev_name(char , size_t, const struct option );
	317
	318	struct client_lease packet_to_lease(struct option_data );
	319	void go_daemon(void);
	320
	321	void routehandler(void);
	322
	323	/* packet.c */
	324	void assemble_hw_header(unsigned char , int , struct hardware *);
	325	void assemble_udp_ip_header(unsigned char , int , u_int32_t, u_int32_t,
	326	unsigned int, unsigned char *, int);
	327	ssize_t decode_hw_header(unsigned char , int, struct hardware );
	328	ssize_t decode_udp_ip_header(unsigned char , int, struct sockaddr_in ,
	329	unsigned char *, int);
	330
	331	/* clparse.c */
	332	int read_client_conf(void);
	333	void read_client_leases(void);
	334	void parse_client_statement(FILE *);
	335	int parse_X(FILE , u_int8_t , int);
	336	int parse_option_list(FILE , u_int8_t );
	337	void parse_interface_declaration(FILE *);
	338	void parse_client_lease_statement(FILE *, int);
	339	void parse_client_lease_declaration(FILE , struct client_lease );
	340	int parse_option_decl(FILE , struct option_data );
	341	void parse_string_list(FILE , struct string_list *, int);
	342	void parse_reject_statement(FILE *);