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/* Copyright (c) 1985, 1990
* The Regents of the University of California. 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University 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 REGENTS 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 REGENTS 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.
*/
/* Portions Copyright (c) 1993 by Digital Equipment Corporation.
*
* 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, and that
* the name of Digital Equipment Corporation not be used in advertising or
* publicity pertaining to distribution of the document or software without
* specific, written prior permission.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
* WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL DIGITAL EQUIPMENT
* CORPORATION 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.
*/
/* Portions Copyright (c) 1996, 1997 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 INTERNET SOFTWARE CONSORTIUM DISCLAIMS
* ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
* CONSORTIUM 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.
*/
/* ns_func.h - declarations for ns_*.c's externally visible functions
*
* $Id: ns_func.h,v 8.43 1998/03/20 00:53:44 halley Exp $
*/
/* ++from ns_glue.c++ */
extern struct in_addr ina_get(const u_char *data);
extern const char *sin_ntoa(struct sockaddr_in);
extern void ns_debug(int, int, const char *, ...),
ns_info(int, const char *, ...),
ns_notice(int, const char *, ...),
ns_warning(int, const char *, ...),
ns_error(int, const char *, ...),
ns_panic(int, int, const char *, ...),
ns_assertion_failed(char *file, int line,
assertion_type type, char *cond,
int print_errno);
extern void panic(const char *, const void *),
gettime(struct timeval *);
extern int nlabels(const char *),
my_close(int),
my_fclose(FILE *);
extern void __freestr(char *);
extern char *__newstr(size_t, int),
*__savestr(const char *, int),
*checked_ctime(const time_t *t),
*ctimel(long);
extern u_char *ina_put(struct in_addr ina, u_char *data),
*savebuf(const u_char *, size_t, int);
extern void dprintf(int level, const char *format, ...);
#ifdef DEBUG_STRINGS
extern char *debug_newstr(size_t, int, const char *, int),
*debug_savestr(const char *, int, const char *, int);
extern void debug_freestr(char *, const char *, int);
#define newstr(l, n) debug_newstr((l), (n), __FILE__, __LINE__)
#define savestr(s, n) debug_savestr((s), (n), __FILE__, __LINE__)
#define freestr(s) debug_freestr((s), __FILE__, __LINE__)
#else
#define newstr(l, n) __newstr((l), (n))
#define savestr(s, n) __savestr((s), (n))
#define freestr(s) __freestr((s))
#endif /* DEBUG_STRINGS */
/* --from ns_glue.c-- */
/* ++from ns_resp.c++ */
extern void ns_resp(u_char *, int, struct sockaddr_in,
struct qstream *),
prime_cache(void),
delete_all(struct namebuf *, int, int),
delete_stale(struct namebuf *);
extern struct qinfo *sysquery(const char *, int, int,
struct in_addr *, int, int);
extern void sysnotify(const char *, int, int);
extern int doupdate(u_char *, u_char *, struct databuf **,
int, int, int, u_int, struct sockaddr_in),
send_msg(u_char *, int, struct qinfo *),
findns(struct namebuf **, int,
struct databuf **, int *, int),
finddata(struct namebuf *, int, int, HEADER *,
char **, int *, int *),
wanted(const struct databuf *, int, int),
add_data(struct namebuf *,
struct databuf **,
u_char *, int, int *),
trunc_adjust(u_char *, int, int);
/* --from ns_resp.c-- */
/* ++from ns_req.c++ */
extern void ns_req(u_char *, int, int,
struct qstream *,
struct sockaddr_in,
int),
free_addinfo(void),
free_nsp(struct databuf **);
extern int stale(struct databuf *),
make_rr(const char *, struct databuf *,
u_char *, int, int,
u_char **, u_char **),
doaddinfo(HEADER *, u_char *, int),
doaddauth(HEADER *, u_char *, int,
struct namebuf *,
struct databuf *);
#ifdef BIND_NOTIFY
extern int findZonePri(const struct zoneinfo *,
const struct sockaddr_in);
#endif
/* --from ns_req.c-- */
/* ++from ns_xfr.c++ */
extern void ns_xfr(struct qstream *qsp, struct namebuf *znp,
int zone, int class, int type,
int id, int opcode),
ns_stopxfrs(struct zoneinfo *),
ns_freexfr(struct qstream *);
/* --from ns_xfr.c-- */
/* ++from ns_forw.c++ */
extern time_t retrytime(struct qinfo *);
extern int ns_forw(struct databuf *nsp[],
u_char *msg,
int msglen,
struct sockaddr_in from,
struct qstream *qsp,
int dfd,
struct qinfo **qpp,
const char *dname,
int class,
int type,
struct namebuf *np,
int use_tcp),
haveComplained(u_long, u_long),
nslookup(struct databuf *nsp[],
struct qinfo *qp,
const char *syslogdname,
const char *sysloginfo),
qcomp(struct qserv *, struct qserv *);
extern void schedretry(struct qinfo *, time_t),
unsched(struct qinfo *),
reset_retrytimer(void),
retrytimer(evContext ctx, void *uap,
struct timespec due, struct timespec ival),
retry(struct qinfo *),
qflush(void),
qremove(struct qinfo *),
ns_freeqns(struct qinfo *, char *),
ns_freeqry(struct qinfo *),
freeComplaints(void);
extern struct qinfo *qfindid(u_int16_t),
*qnew(const char *, int, int);
/* --from ns_forw.c-- */
/* ++from ns_main.c++ */
extern struct in_addr net_mask(struct in_addr);
extern void sq_remove(struct qstream *),
sq_flushw(struct qstream *),
sq_flush(struct qstream *allbut),
dq_remove_gen(time_t gen),
dq_remove_all(),
sq_done(struct qstream *),
ns_setproctitle(char *, int),
getnetconf(int),
nsid_init(void),
ns_setoption(int option),
writestream(struct qstream *, const u_char *, int),
ns_need(int need),
opensocket_f(void);
extern u_int16_t nsid_next(void);
extern int sq_openw(struct qstream *, int),
sq_writeh(struct qstream *, sq_closure),
sq_write(struct qstream *, const u_char *, int),
ns_need_p(int option),
tcp_send(struct qinfo *),
aIsUs(struct in_addr);
/* --from ns_main.c-- */
/* ++from ns_maint.c++ */
extern void ns_maint(void),
zone_maint(struct zoneinfo *),
sched_zone_maint(struct zoneinfo *),
ns_cleancache(evContext ctx, void *uap,
struct timespec due,
struct timespec inter),
purge_zone(const char *, struct hashbuf *, int),
loadxfer(void),
qserial_retrytime(struct zoneinfo *, time_t),
qserial_query(struct zoneinfo *),
qserial_answer(struct qinfo *, u_int32_t,
struct sockaddr_in),
#ifdef DEBUG
printzoneinfo(int, int, int),
#endif
endxfer(void),
ns_reload(void);
extern int clean_cache(struct hashbuf *, int);
extern void reapchild(evContext, void *, int);
extern const char * zoneTypeString(const struct zoneinfo *);
/* --from ns_maint.c-- */
/* ++from ns_init.c++ */
extern void ns_refreshtime(struct zoneinfo *, time_t),
ns_retrytime(struct zoneinfo *, time_t),
ns_init(const char *);
extern enum context ns_ptrcontext(const char *owner);
extern enum context ns_ownercontext(int type, enum transport);
extern int ns_nameok(const char *name, int class,
struct zoneinfo *zp,
enum transport, enum context,
const char *owner,
struct in_addr source);
extern int ns_wildcard(const char *name);
extern void zoneinit(struct zoneinfo *),
do_reload(const char *, int, int),
ns_shutdown(void);
/* --from ns_init.c-- */
/* ++from ns_ncache.c++ */
extern void cache_n_resp(u_char *, int, struct sockaddr_in);
/* --from ns_ncache.c-- */
/* ++from ns_udp.c++ */
extern void ns_udp(void);
/* --from ns_udp.c-- */
/* ++from ns_stats.c++ */
extern void ns_stats(void),
ns_freestats(void);
extern void ns_logstats(evContext ctx, void *uap,
struct timespec, struct timespec);
extern void qtypeIncr(int qtype);
extern struct nameser *nameserFind(struct in_addr addr, int flags);
#define NS_F_INSERT 0x0001
#define nameserIncr(a,w) NS_INCRSTAT(a,w) /* XXX should change name. */
/* --from ns_stats.c-- */
/* ++from ns_update.c++ */
u_char *findsoaserial(u_char *data);
u_int32_t get_serial_unchecked(struct zoneinfo *zp);
u_int32_t get_serial(struct zoneinfo *zp);
void set_serial(struct zoneinfo *zp, u_int32_t serial);
int schedule_soa_update(struct zoneinfo *, int);
int schedule_dump(struct zoneinfo *);
int incr_serial(struct zoneinfo *zp);
int merge_logs(struct zoneinfo *zp);
int zonedump(struct zoneinfo *zp);
void dynamic_about_to_exit(void);
enum req_action req_update(HEADER *hp, u_char *cp, u_char *eom,
u_char *msg, struct qstream *qsp,
int dfd, struct sockaddr_in from);
void rdata_dump(struct databuf *dp, FILE *fp);
/* --from ns_update.c-- */
/* ++from ns_config.c++ */
void free_zone_timerinfo(struct zoneinfo *);
void free_zone_contents(struct zoneinfo *, int);
struct zoneinfo *find_zone(const char *, int, int);
zone_config begin_zone(char *, int);
void end_zone(zone_config, int);
int set_zone_type(zone_config, int);
int set_zone_filename(zone_config, char *);
int set_zone_checknames(zone_config, enum severity);
int set_zone_notify(zone_config, int value);
int set_zone_update_acl(zone_config, ip_match_list);
int set_zone_query_acl(zone_config, ip_match_list);
int set_zone_transfer_acl(zone_config, ip_match_list);
int set_zone_transfer_source(zone_config, struct in_addr);
int set_zone_transfer_time_in(zone_config, long);
int add_zone_master(zone_config, struct in_addr);
int add_zone_notify(zone_config, struct in_addr);
options new_options(void);
void free_options(options);
void set_boolean_option(options, int, int);
listen_info_list new_listen_info_list(void);
void free_listen_info_list(listen_info_list);
void add_listen_on(options, u_int16_t, ip_match_list);
FILE * write_open(char *filename);
void update_pid_file(void);
void set_options(options, int);
void use_default_options(void);
ip_match_list new_ip_match_list(void);
void free_ip_match_list(ip_match_list);
ip_match_element new_ip_match_pattern(struct in_addr, u_int);
ip_match_element new_ip_match_mask(struct in_addr, struct in_addr);
ip_match_element new_ip_match_indirect(ip_match_list);
ip_match_element new_ip_match_localhost(void);
ip_match_element new_ip_match_localnets(void);
void ip_match_negate(ip_match_element);
void add_to_ip_match_list(ip_match_list, ip_match_element);
void dprint_ip_match_list(int, ip_match_list, int, char *,
char *);
int ip_match_address(ip_match_list, struct in_addr);
int ip_address_allowed(ip_match_list, struct in_addr);
int ip_match_network(ip_match_list, struct in_addr,
struct in_addr);
int distance_of_address(ip_match_list, struct in_addr);
int ip_match_is_none(ip_match_list);
void add_forwarder(options, struct in_addr);
void free_forwarders(struct fwdinfo *);
server_info find_server(struct in_addr);
server_config begin_server(struct in_addr);
void end_server(server_config, int);
void set_server_option(server_config, int, int);
void set_server_transfers(server_config, int);
void set_server_transfer_format(server_config,
enum axfr_format);
void add_server_key_info(server_config, key_info);
key_info new_key_info(char *, char *, char *);
void free_key_info(key_info);
void dprint_key_info(key_info);
key_info_list new_key_info_list(void);
void free_key_info_list(key_info_list);
void add_to_key_info_list(key_info_list, key_info);
void dprint_key_info_list(key_info_list);
log_config begin_logging(void);
void add_log_channel(log_config, int, log_channel);
void open_special_channels(void);
void set_logging(log_config, int);
void end_logging(log_config, int);
void use_default_logging(void);
void init_logging(void);
void shutdown_logging(void);
void init_configuration(void);
void shutdown_configuration(void);
void load_configuration(const char *);
/* --from ns_config.c-- */
/* ++from parser.y++ */
ip_match_list lookup_acl(char *);
void define_acl(char *, ip_match_list);
key_info lookup_key(char *);
void define_key(char *, key_info);
void parse_configuration(const char *);
void parser_initialize(void);
void parser_shutdown(void);
/* --from parser.y-- */
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