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72c86c105a
3523. [contrib] Ported filesystem and ldap DLZ drivers to dynamically-loadable modules, and added the "wildcard" module based on a contribution from Vadim Goncharov <vgoncharov@nic.ru>. [RT #23569]
118 lines
3.6 KiB
C
118 lines
3.6 KiB
C
/*
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* Copyright (C) 2002 Stichting NLnet, Netherlands, stichting@nlnet.nl.
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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 STICHTING NLNET
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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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* STICHTING NLNET 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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* The development of Dynamically Loadable Zones (DLZ) for Bind 9 was
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* conceived and contributed by Rob Butler.
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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 ROB BUTLER
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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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* ROB BUTLER 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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#include <dlz_minimal.h>
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#include <dlz_list.h>
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#include <dlz_pthread.h>
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#ifndef DLZ_DBI_H
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#define DLZ_DBI_H 1
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/*
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* Types
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*/
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#define REQUIRE_CLIENT 0x01
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#define REQUIRE_QUERY 0x02
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#define REQUIRE_RECORD 0x04
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#define REQUIRE_ZONE 0x08
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typedef struct query_segment query_segment_t;
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typedef DLZ_LIST(query_segment_t) query_list_t;
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typedef struct dbinstance dbinstance_t;
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typedef DLZ_LIST(dbinstance_t) db_list_t;
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typedef struct driverinstance driverinstance_t;
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/*%
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* a query segment is all the text between our special tokens
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* special tokens are %zone%, %record%, %client%
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*/
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struct query_segment {
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void *cmd;
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unsigned int strlen;
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isc_boolean_t direct;
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DLZ_LINK(query_segment_t) link;
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};
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/*%
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* a database instance contains everything we need for running
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* a query against the database. Using it each separate thread
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* can dynamically construct a query and execute it against the
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* database. The "instance_lock" and locking code in the driver's
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* make sure no two threads try to use the same DBI at a time.
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*/
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struct dbinstance {
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void *dbconn;
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query_list_t *allnodes_q;
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query_list_t *allowxfr_q;
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query_list_t *authority_q;
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query_list_t *findzone_q;
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query_list_t *lookup_q;
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query_list_t *countzone_q;
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char *query_buf;
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char *zone;
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char *record;
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char *client;
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dlz_mutex_t lock;
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DLZ_LINK(dbinstance_t) link;
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};
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/*
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* Method declarations
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*/
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void
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destroy_querylist(query_list_t **querylist);
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isc_result_t
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build_querylist(const char *query_str, char **zone, char **record,
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char **client, query_list_t **querylist, unsigned int flags,
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log_t log);
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char *
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build_querystring(query_list_t *querylist);
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isc_result_t
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build_dbinstance(const char *allnodes_str, const char *allowxfr_str,
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const char *authority_str, const char *findzone_str,
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const char *lookup_str, const char *countzone_str,
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dbinstance_t **dbi, log_t log);
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void
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destroy_dbinstance(dbinstance_t *dbi);
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char *
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get_parameter_value(const char *input, const char* key);
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#endif /* DLZ_DBI_H */
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