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bbc98df743
This adds #define BIND_VERSION_9_8 and keeps the current version as 9.9, so shared libraries can be built for both BIND versions.
185 lines
5.2 KiB
C
185 lines
5.2 KiB
C
/*
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* Copyright (C) 2010 Andrew Tridgell
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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
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* above copyright notice and this permission notice appear in all
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* copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR
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* DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
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* THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
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* OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
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* OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE
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* USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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/*
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This header provides a minimal set of defines and typedefs needed
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for building an external DLZ module for bind9. When creating a new
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external DLZ driver, please copy this header into your own source
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tree.
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*/
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typedef unsigned int isc_result_t;
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#ifdef BIND_VERSION_9_8
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typedef bool isc_boolean_t;
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#else
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typedef int isc_boolean_t;
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#endif
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typedef uint32_t dns_ttl_t;
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#ifdef BIND_VERSION_9_8
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#define DLZ_DLOPEN_VERSION 1
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#else
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#define DLZ_DLOPEN_VERSION 2
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#endif
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/* return this in flags to dlz_version() if thread safe */
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#define DNS_SDLZFLAG_THREADSAFE 0x00000001U
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/* result codes */
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#define ISC_R_SUCCESS 0
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#define ISC_R_NOMEMORY 1
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#define ISC_R_NOPERM 6
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#define ISC_R_NOTFOUND 23
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#define ISC_R_FAILURE 25
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#define ISC_R_NOMORE 29
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/* boolean values */
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#define ISC_TRUE 1
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#define ISC_FALSE 0
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/* log levels */
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#define ISC_LOG_INFO (-1)
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#define ISC_LOG_NOTICE (-2)
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#define ISC_LOG_WARNING (-3)
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#define ISC_LOG_ERROR (-4)
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#define ISC_LOG_CRITICAL (-5)
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/* some opaque structures */
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typedef void *dns_sdlzlookup_t;
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typedef void *dns_sdlzallnodes_t;
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typedef void *dns_view_t;
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typedef void *dns_clientinfomethods_t;
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typedef void *dns_clientinfo_t;
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/*
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* method definitions for callbacks provided by dlopen driver
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*/
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typedef void log_t(int level, const char *fmt, ...);
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typedef isc_result_t dns_sdlz_putrr_t(dns_sdlzlookup_t *lookup,
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const char *type,
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dns_ttl_t ttl,
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const char *data);
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typedef isc_result_t dns_sdlz_putnamedrr_t(dns_sdlzallnodes_t *allnodes,
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const char *name,
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const char *type,
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dns_ttl_t ttl,
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const char *data);
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typedef isc_result_t dns_dlz_writeablezone_t(dns_view_t *view,
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const char *zone_name);
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/*
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* prototypes for the functions you can include in your driver
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*/
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/*
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* dlz_version() is required for all DLZ external drivers. It should
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* return DLZ_DLOPEN_VERSION
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*/
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int dlz_version(unsigned int *flags);
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/*
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* dlz_create() is required for all DLZ external drivers.
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*/
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isc_result_t dlz_create(const char *dlzname, unsigned int argc, char *argv[], void **dbdata, ...);
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/*
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* dlz_destroy() is optional, and will be called when the driver is
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* unloaded if supplied
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*/
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void dlz_destroy(void *dbdata);
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/*
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dlz_findzonedb is required for all DLZ external drivers
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*/
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isc_result_t dlz_findzonedb(void *dbdata, const char *name);
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/*
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dlz_lookup is required for all DLZ external drivers
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*/
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#ifdef BIND_VERSION_9_8
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isc_result_t dlz_lookup(const char *zone, const char *name,
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void *dbdata, dns_sdlzlookup_t *lookup);
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#else
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isc_result_t dlz_lookup(const char *zone, const char *name,
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void *dbdata, dns_sdlzlookup_t *lookup,
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dns_clientinfomethods_t *methods,
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dns_clientinfo_t *clientinfo);
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#endif
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/*
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dlz_allowzonexfr() is optional, and should be supplied if you want
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to support zone transfers
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*/
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isc_result_t dlz_allowzonexfr(void *dbdata, const char *name, const char *client);
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/*
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dlz_allnodes() is optional, but must be supplied if supply a
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dlz_allowzonexfr() function
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*/
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isc_result_t dlz_allnodes(const char *zone, void *dbdata, dns_sdlzallnodes_t *allnodes);
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/*
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dlz_newversion() is optional. It should be supplied if you want to
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support dynamic updates.
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*/
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isc_result_t dlz_newversion(const char *zone, void *dbdata, void **versionp);
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/*
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dlz_closeversion() is optional, but must be supplied if you supply
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a dlz_newversion() function
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*/
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void dlz_closeversion(const char *zone, isc_boolean_t commit, void *dbdata, void **versionp);
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/*
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dlz_configure() is optional, but must be supplied if you want to
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support dynamic updates
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*/
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isc_result_t dlz_configure(dns_view_t *view, void *dbdata);
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/*
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dlz_ssumatch() is optional, but must be supplied if you want to
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support dynamic updates
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*/
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isc_boolean_t dlz_ssumatch(const char *signer, const char *name, const char *tcpaddr,
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const char *type, const char *key, uint32_t keydatalen, uint8_t *keydata,
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void *dbdata);
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/*
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dlz_addrdataset() is optional, but must be supplied if you want to
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support dynamic updates
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*/
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isc_result_t dlz_addrdataset(const char *name, const char *rdatastr, void *dbdata, void *version);
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/*
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dlz_subrdataset() is optional, but must be supplied if you want to
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support dynamic updates
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*/
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isc_result_t dlz_subrdataset(const char *name, const char *rdatastr, void *dbdata, void *version);
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/*
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dlz_delrdataset() is optional, but must be supplied if you want to
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support dynamic updates
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*/
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isc_result_t dlz_delrdataset(const char *name, const char *type, void *dbdata, void *version);
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