531 lines
21 KiB
C
531 lines
21 KiB
C
/*
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* Copyright (c) 1985, 1990
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*
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* Portions Copyright (c) 1993 by Digital Equipment Corporation.
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies, and that
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* the name of Digital Equipment Corporation not be used in advertising or
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* publicity pertaining to distribution of the document or software without
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* specific, written prior permission.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
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* WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL DIGITAL EQUIPMENT
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* CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
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* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
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* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
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* ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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* SOFTWARE.
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*/
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/*
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* Portions Copyright (c) 1996-2000 by Internet Software Consortium.
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
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* ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
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* CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
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* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
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* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
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* ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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* SOFTWARE.
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*/
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/*
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* Portions Copyright (c) 1999 by Check Point Software Technologies, Inc.
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies, and that
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* the name of Check Point Software Technologies Incorporated not be used
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* in advertising or publicity pertaining to distribution of the document
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* or software without specific, written prior permission.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND CHECK POINT SOFTWARE TECHNOLOGIES
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* INCORPORATED DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS.
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* IN NO EVENT SHALL CHECK POINT SOFTWARE TECHNOLOGIES INCORPRATED
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* BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR
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* ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
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* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
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* OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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/* ns_func.h - declarations for ns_*.c's externally visible functions
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*
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* $Id: ns_func.h,v 8.117 2002/04/25 05:27:07 marka Exp $
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*/
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/* ++from ns_glue.c++ */
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struct in_addr ina_get(const u_char *data);
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const char * sin_ntoa(struct sockaddr_in);
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int ns_wouldlog(int category, int level);
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void ns_debug(int, int, const char *, ...) ISC_FORMAT_PRINTF(3, 4);
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void ns_info(int, const char *, ...) ISC_FORMAT_PRINTF(2, 3);
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void ns_notice(int, const char *, ...) ISC_FORMAT_PRINTF(2, 3);
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void ns_warning(int, const char *, ...) ISC_FORMAT_PRINTF(2, 3);
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void ns_error(int, const char *, ...) ISC_FORMAT_PRINTF(2, 3);
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void ns_critical(int, const char *, ...) ISC_FORMAT_PRINTF(2, 3);
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void ns_panic(int, int, const char *, ...) ISC_FORMAT_PRINTF(3, 4);
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void ns_assertion_failed(const char *file, int line,
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assertion_type type,
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const char *cond, int print_errno);
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void panic(const char *, const void *);
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void gettime(struct timeval *);
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int nlabels(const char *);
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int my_close(int);
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int my_fclose(FILE *);
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void * __freestr(char *);
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char * __newstr(size_t, int);
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char * __savestr(const char *, int);
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const char * checked_ctime(const time_t *t);
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const char * ctimel(long);
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void * __freestr_record(char *, const char *, int);
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char * __newstr_record(size_t, int, const char *, int);
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char * __savestr_record(const char *, int, const char *, int);
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u_char * ina_put(struct in_addr ina, u_char *data);
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u_char * savebuf(const u_char *, size_t, int);
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void dprintf(int level, const char *format, ...) ISC_FORMAT_PRINTF(2, 3);
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#ifdef DEBUG_STRINGS
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char * debug_newstr(size_t, int, const char *, int);
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char * debug_savestr(const char *, int, const char *, int);
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void * debug_freestr(char *, const char *, int);
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#define newstr(l, n) debug_newstr((l), (n), __FILE__, __LINE__)
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#define savestr(s, n) debug_savestr((s), (n), __FILE__, __LINE__)
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#define freestr(s) debug_freestr((s), __FILE__, __LINE__)
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#else
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#ifdef RECORD_STRINGS
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#define newstr(l, n) __newstr_record((l), (n), __FILE__, __LINE__)
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#define savestr(s, n) __savestr_record((s), (n), __FILE__, __LINE__)
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#define freestr(s) __freestr_record((s), __FILE__, __LINE__)
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#else
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#define newstr(l, n) __newstr((l), (n))
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#define savestr(s, n) __savestr((s), (n))
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#define freestr(s) __freestr((s))
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#endif
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#endif /* DEBUG_STRINGS */
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/* --from ns_glue.c-- */
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/* ++from ns_notify.c++ */
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#ifdef BIND_NOTIFY
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void ns_notify(const char *, ns_class, ns_type);
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void notify_afterload(void);
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void ns_unnotify(void);
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void ns_stopnotify(const char *, ns_class);
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#endif
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/* --from ns_notify.c-- */
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/* ++from ns_resp.c++ */
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void ns_resp(u_char *, int, struct sockaddr_in,
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struct qstream *);
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void prime_cache(void);
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void delete_all(struct namebuf *, int, int);
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int delete_stale(struct namebuf *);
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struct qinfo * sysquery(const char *, int, int,
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struct in_addr *, struct dst_key **keys,
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int, u_int16_t, int, int);
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int doupdate(u_char *, u_char *, struct databuf **,
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int, int, int, u_int, struct sockaddr_in);
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int send_msg(u_char *, int, struct qinfo *);
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int findns(struct namebuf **, int,
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struct databuf **, int *, int);
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int finddata(struct namebuf *, int, int, HEADER *,
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char **, int *, int *);
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int add_data(struct namebuf *,
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struct databuf **,
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u_char *, int, int *);
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int trunc_adjust(u_char *, int, int);
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/* --from ns_resp.c-- */
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/* ++from ns_req.c++ */
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int ns_get_opt(u_char *msg, u_char *eom,
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u_int8_t *versionp, u_int16_t *rcodep,
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u_int16_t *flagp, u_int16_t *bufsizep,
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u_char **optionsp, size_t *optsizep);
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int ns_add_opt(u_char *msg, u_char *cp, size_t buflen,
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u_int8_t version, u_int16_t rcode,
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u_int16_t size, u_int16_t flags,
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u_char *options, size_t optlen);
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void ns_req(u_char *, int, int,
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struct qstream *,
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struct sockaddr_in,
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int);
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void free_addinfo(void);
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void free_nsp(struct databuf **);
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int stale(struct databuf *);
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int make_rr(const char *, struct databuf *,
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u_char *, int, int,
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u_char **, u_char **, int);
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int doaddinfo(HEADER *, u_char *, int);
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int doaddauth(HEADER *, u_char *, int,
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struct namebuf *,
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struct databuf *);
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#ifdef BIND_NOTIFY
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int findZonePri(const struct zoneinfo *,
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const struct sockaddr_in);
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#endif
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int drop_port(u_int16_t);
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/* --from ns_req.c-- */
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/* ++from ns_xfr.c++ */
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void ns_xfr(struct qstream *qsp, struct namebuf *znp,
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int zone, int class, int type,
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int id, int opcode, u_int32_t serial_ixfr,
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struct tsig_record *in_tsig);
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void ns_stopxfrs(struct zoneinfo *);
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void ns_freexfr(struct qstream *);
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void sx_newmsg(struct qstream *qsp);
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void sx_sendlev(struct qstream *qsp);
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void sx_sendsoa(struct qstream *qsp);
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/* --from ns_xfr.c-- */
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/* ++from ns_ctl.c++ */
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void ns_ctl_initialize(void);
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void ns_ctl_shutdown(void);
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void ns_ctl_defaults(controls *);
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void ns_ctl_add(controls *, control);
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control ns_ctl_new_inet(struct in_addr, u_int, ip_match_list);
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#ifndef NO_SOCKADDR_UN
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control ns_ctl_new_unix(const char *, mode_t, uid_t, gid_t);
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#endif
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void ns_ctl_install(controls *);
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/* --from ns_ctl.c-- */
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/* ++from ns_ixfr.c++ */
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void sx_send_ixfr(struct qstream *);
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int ixfr_log_maint(struct zoneinfo *);
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/* --from ns_ixfr.c-- */
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/* ++from ns_forw.c++ */
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time_t retrytime(struct qinfo *);
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int ns_forw(struct databuf *nsp[],
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u_char *msg,
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int msglen,
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struct sockaddr_in from,
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struct qstream *qsp,
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int dfd,
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struct qinfo **qpp,
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const char *dname,
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int class,
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int type,
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struct namebuf *np,
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int use_tcp,
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struct tsig_record *in_tsig);
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int haveComplained(u_long, u_long);
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int nslookup(struct databuf *nsp[],
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struct qinfo *qp,
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const char *syslogdname,
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const char *sysloginfo);
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int qcomp(struct qserv *, struct qserv *);
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void schedretry(struct qinfo *, time_t);
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void unsched(struct qinfo *);
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void reset_retrytimer(void);
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void retrytimer(evContext ctx, void *uap,
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struct timespec due, struct timespec ival);
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void retry(struct qinfo *, int);
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void qflush(void);
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void qremove(struct qinfo *);
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void ns_freeqns(struct qinfo *);
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void ns_freeqry(struct qinfo *);
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void freeComplaints(void);
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void nsfwdadd(struct qinfo *, struct fwdinfo *);
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struct qinfo * qfindid(u_int16_t);
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struct qinfo * qnew(const char *, int, int, int);
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/* --from ns_forw.c-- */
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/* ++from ns_main.c++ */
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void toggle_qrylog(void);
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struct in_addr net_mask(struct in_addr);
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void sq_remove(struct qstream *);
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void sq_flushw(struct qstream *);
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void sq_flush(struct qstream *allbut);
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void dq_remove_gen(time_t gen);
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void dq_remove_all(void);
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void sq_done(struct qstream *);
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void ns_setproctitle(char *, int);
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void getnetconf(int);
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void nsid_init(void);
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void ns_setoption(int option);
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void writestream(struct qstream *, const u_char *, int);
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void ns_need_unsafe(enum need);
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void ns_need(enum need);
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void opensocket_f(void);
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void nsid_hash(u_char *, size_t);
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u_int16_t nsid_next(void);
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int sq_openw(struct qstream *, int);
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int sq_writeh(struct qstream *, sq_closure);
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int sq_write(struct qstream *, const u_char *, int);
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int tcp_send(struct qinfo *);
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int aIsUs(struct in_addr);
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/* --from ns_main.c-- */
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/* ++from ns_maint.c++ */
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void zone_maint(struct zoneinfo *);
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void sched_zone_maint(struct zoneinfo *);
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void ns_cleancache(evContext ctx, void *uap,
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struct timespec due,
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struct timespec inter);
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void clean_cache_from(char *dname, struct hashbuf *htp);
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void remove_zone(struct zoneinfo *, const char *);
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void purge_zone(const char *, struct hashbuf *, int);
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void loadxfer(void);
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void qserial_retrytime(struct zoneinfo *, time_t);
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void qserial_query(struct zoneinfo *);
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void qserial_answer(struct qinfo *);
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#ifdef DEBUG
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void printzoneinfo(int, int, int);
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#endif
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void endxfer(void);
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void tryxfer(void);
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void addxfer(struct zoneinfo *);
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void ns_zreload(void);
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void ns_reload(void);
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void ns_reconfig(void);
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void ns_noexpired(void);
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#if 0
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int reload_all_unsafe(void);
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#endif
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int zonefile_changed_p(struct zoneinfo *);
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int reload_master(struct zoneinfo *);
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const char * deferred_reload_unsafe(struct zoneinfo *);
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struct namebuf * purge_node(struct hashbuf *htp, struct namebuf *np);
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int clean_cache(struct hashbuf *, int);
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void reapchild(void);
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const char * zoneTypeString(unsigned int);
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void ns_heartbeat(evContext ctx, void *uap,
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struct timespec, struct timespec);
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void make_new_zones(void);
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void free_zone(struct zoneinfo *);
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struct zoneinfo * find_auth_zone(const char *, ns_class);
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int purge_nonglue(const char *dname, struct hashbuf *htp,
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int class, int log);
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/* --from ns_maint.c-- */
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/* ++from ns_sort.c++ */
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void sort_response(u_char *, u_char *, int,
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struct sockaddr_in *);
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/* --from ns_sort.c-- */
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/* ++from ns_init.c++ */
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void ns_refreshtime(struct zoneinfo *, time_t);
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void ns_retrytime(struct zoneinfo *, time_t);
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time_t ns_init(const char *);
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void purgeandload(struct zoneinfo *zp);
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enum context ns_ptrcontext(const char *owner);
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enum context ns_ownercontext(int type, enum transport);
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int ns_nameok(const struct qinfo *qry, const char *name,
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int class, struct zoneinfo *zp,
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enum transport, enum context,
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const char *owner,
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struct in_addr source);
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int ns_wildcard(const char *name);
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void zoneinit(struct zoneinfo *);
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void do_reload(const char *, int, int, int);
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void ns_shutdown(void);
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/* --from ns_init.c-- */
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/* ++from ns_ncache.c++ */
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void cache_n_resp(u_char *, int, struct sockaddr_in,
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const char *, int, int);
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/* --from ns_ncache.c-- */
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/* ++from ns_udp.c++ */
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void ns_udp(void);
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/* --from ns_udp.c-- */
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/* ++from ns_stats.c++ */
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void ns_stats(void);
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void ns_stats_dumpandclear(void);
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void ns_freestats(void);
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void ns_logstats(evContext ctx, void *uap,
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struct timespec, struct timespec);
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void qtypeIncr(int qtype);
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struct nameser * nameserFind(struct in_addr addr, int flags);
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#define NS_F_INSERT 0x0001
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#define nameserIncr(a,w) NS_INCRSTAT(a,w) /* XXX should change name. */
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/* --from ns_stats.c-- */
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/* ++from ns_update.c++ */
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struct databuf * findzonesoa(struct zoneinfo *);
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void free_rrecp(ns_updque *, int rcode, struct sockaddr_in);
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int findzone(const char *, int, int, int *, int);
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u_char * findsoaserial(u_char *data);
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u_int32_t get_serial_unchecked(struct zoneinfo *zp);
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u_int32_t get_serial(struct zoneinfo *zp);
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void set_serial(struct zoneinfo *zp, u_int32_t serial);
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int schedule_soa_update(struct zoneinfo *, int);
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int schedule_dump(struct zoneinfo *);
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int incr_serial(struct zoneinfo *zp);
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int merge_logs(struct zoneinfo *zp, char *logname);
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int zonedump(struct zoneinfo *zp, int isixfr);
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void dynamic_about_to_exit(void);
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enum req_action req_update(HEADER *hp, u_char *cp, u_char *eom,
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u_char *msg, struct sockaddr_in from,
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struct tsig_record *in_tsig);
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void rdata_dump(struct databuf *dp, FILE *fp);
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/* --from ns_update.c-- */
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/* ++from ns_config.c++ */
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void add_to_rrset_order_list(rrset_order_list,
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rrset_order_element);
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const char * p_order(int);
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int set_zone_ixfr_file(zone_config, char *);
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int set_zone_master_port(zone_config, u_short);
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int set_zone_max_log_size_ixfr(zone_config, int);
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int set_zone_dialup(zone_config, int);
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int set_trusted_key(const char *, const int,
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const int, const int, const char *);
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int set_zone_ixfr_tmp(zone_config, char *);
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void free_zone_timerinfo(struct zoneinfo *);
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void free_zone_contents(struct zoneinfo *, int);
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struct zoneinfo * find_zone(const char *, int);
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zone_config begin_zone(char *, int);
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void end_zone(zone_config, int);
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int set_zone_type(zone_config, int);
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int set_zone_filename(zone_config, char *);
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int set_zone_checknames(zone_config, enum severity);
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#ifdef BIND_NOTIFY
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int set_zone_notify(zone_config, enum notify value);
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#endif
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int set_zone_maintain_ixfr_base(zone_config, int value);
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int set_zone_update_acl(zone_config, ip_match_list);
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int set_zone_query_acl(zone_config, ip_match_list);
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int set_zone_transfer_acl(zone_config, ip_match_list);
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int set_zone_transfer_source(zone_config, struct in_addr);
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int set_zone_pubkey(zone_config, const int, const int,
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const int, const char *);
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int set_zone_transfer_time_in(zone_config, long);
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int add_zone_master(zone_config, struct in_addr,
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struct dst_key *);
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#ifdef BIND_NOTIFY
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int add_zone_notify(zone_config, struct in_addr);
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#endif
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void set_zone_forward(zone_config);
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void add_zone_forwarder(zone_config, struct in_addr);
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void set_zone_boolean_option(zone_config, int, int);
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options new_options(void);
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void free_options(options);
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void free_rrset_order_list(rrset_order_list);
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|
void set_global_boolean_option(options, int, int);
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listen_info_list new_listen_info_list(void);
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void free_listen_info_list(listen_info_list);
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|
void add_listen_on(options, u_short, ip_match_list);
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FILE * write_open(char *filename);
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|
void update_pid_file(void);
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|
void set_options(options, int);
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|
void use_default_options(void);
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|
enum ordering lookup_ordering(const char *);
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|
rrset_order_list new_rrset_order_list(void);
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|
rrset_order_element new_rrset_order_element(int, int, char *, enum ordering);
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|
ip_match_list new_ip_match_list(void);
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|
void free_ip_match_list(ip_match_list);
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|
ip_match_element new_ip_match_pattern(struct in_addr, u_int);
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|
ip_match_element new_ip_match_mask(struct in_addr, struct in_addr);
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|
ip_match_element new_ip_match_indirect(ip_match_list);
|
|
ip_match_element new_ip_match_key(struct dst_key *dst_key);
|
|
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,
|
|
const char *, const char *);
|
|
int ip_match_address(ip_match_list, struct in_addr);
|
|
int ip_match_addr_or_key(ip_match_list, struct in_addr,
|
|
struct dst_key *key);
|
|
int ip_address_allowed(ip_match_list, struct in_addr);
|
|
int ip_addr_or_key_allowed(ip_match_list iml,
|
|
struct in_addr,
|
|
struct dst_key *key);
|
|
int ip_match_network(ip_match_list, struct in_addr,
|
|
struct in_addr);
|
|
int ip_match_key_name(ip_match_list iml, char *name);
|
|
int distance_of_address(ip_match_list, struct in_addr);
|
|
int ip_match_is_none(ip_match_list);
|
|
#ifdef BIND_NOTIFY
|
|
void free_also_notify(options);
|
|
int add_global_also_notify(options, struct in_addr);
|
|
#endif
|
|
void add_global_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, struct dst_key *);
|
|
struct dst_key *new_key_info(char *, char *, char *);
|
|
void free_key_info(struct dst_key *);
|
|
struct dst_key *find_key(char *name, char *algorithm);
|
|
void dprint_key_info(struct dst_key *);
|
|
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, struct dst_key *);
|
|
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);
|
|
time_t load_configuration(const char *);
|
|
/* --from ns_config.c-- */
|
|
|
|
/* ++from parser.y++ */
|
|
ip_match_list lookup_acl(const char *);
|
|
void define_acl(const char *, ip_match_list);
|
|
struct dst_key *lookup_key(char *);
|
|
void define_key(const char *, struct dst_key *);
|
|
time_t parse_configuration(const char *);
|
|
void parser_initialize(void);
|
|
void parser_shutdown(void);
|
|
/* --from parser.y-- */
|
|
|
|
/* ++from ns_signal.c++ */
|
|
void init_signals(void);
|
|
void block_signals(void);
|
|
void unblock_signals(void);
|
|
/* --from ns_signal.c-- */
|