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openldap/servers/slapd/back-meta/back-meta.h
Quanah Gibson-Mount 1705fa7e55 Happy New Year
2015-02-11 15:36:57 -06:00

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/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
* Copyright 1999-2015 The OpenLDAP Foundation.
* Portions Copyright 2001-2003 Pierangelo Masarati.
* Portions Copyright 1999-2003 Howard Chu.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted only as authorized by the OpenLDAP
* Public License.
*
* A copy of this license is available in the file LICENSE in the
* top-level directory of the distribution or, alternatively, at
* <http://www.OpenLDAP.org/license.html>.
*/
/* ACKNOWLEDGEMENTS:
* This work was initially developed by the Howard Chu for inclusion
* in OpenLDAP Software and subsequently enhanced by Pierangelo
* Masarati.
*/
#ifndef SLAPD_LDAP_H
#error "include servers/slapd/back-ldap/back-ldap.h before this file!"
#endif /* SLAPD_LDAP_H */
#ifndef SLAPD_META_H
#define SLAPD_META_H
#define SLAPD_META_CLIENT_PR 1
#include "proto-meta.h"
/* String rewrite library */
#include "rewrite.h"
LDAP_BEGIN_DECL
/*
* Set META_BACK_PRINT_CONNTREE larger than 0 to dump the connection tree (debug only)
*/
#ifndef META_BACK_PRINT_CONNTREE
#define META_BACK_PRINT_CONNTREE 0
#endif /* !META_BACK_PRINT_CONNTREE */
/* from back-ldap.h before rwm removal */
struct ldapmap {
int drop_missing;
Avlnode *map;
Avlnode *remap;
};
struct ldapmapping {
struct berval src;
struct berval dst;
};
struct ldaprwmap {
/*
* DN rewriting
*/
#ifdef ENABLE_REWRITE
struct rewrite_info *rwm_rw;
#else /* !ENABLE_REWRITE */
/* some time the suffix massaging without librewrite
* will be disabled */
BerVarray rwm_suffix_massage;
#endif /* !ENABLE_REWRITE */
BerVarray rwm_bva_rewrite;
/*
* Attribute/objectClass mapping
*/
struct ldapmap rwm_oc;
struct ldapmap rwm_at;
BerVarray rwm_bva_map;
};
/* Whatever context ldap_back_dn_massage needs... */
typedef struct dncookie {
struct metatarget_t *target;
#ifdef ENABLE_REWRITE
Connection *conn;
char *ctx;
SlapReply *rs;
#else
int normalized;
int tofrom;
#endif
} dncookie;
int ldap_back_dn_massage(dncookie *dc, struct berval *dn,
struct berval *res);
extern int ldap_back_conn_cmp( const void *c1, const void *c2);
extern int ldap_back_conn_dup( void *c1, void *c2 );
extern void ldap_back_conn_free( void *c );
/* attributeType/objectClass mapping */
int mapping_cmp (const void *, const void *);
int mapping_dup (void *, void *);
void ldap_back_map_init ( struct ldapmap *lm, struct ldapmapping ** );
int ldap_back_mapping ( struct ldapmap *map, struct berval *s,
struct ldapmapping **m, int remap );
void ldap_back_map ( struct ldapmap *map, struct berval *s, struct berval *m,
int remap );
#define BACKLDAP_MAP 0
#define BACKLDAP_REMAP 1
char *
ldap_back_map_filter(
struct ldapmap *at_map,
struct ldapmap *oc_map,
struct berval *f,
int remap );
int
ldap_back_map_attrs(
Operation *op,
struct ldapmap *at_map,
AttributeName *a,
int remap,
char ***mapped_attrs );
extern int
ldap_back_filter_map_rewrite(
dncookie *dc,
Filter *f,
struct berval *fstr,
int remap,
void *memctx );
/* suffix massaging by means of librewrite */
#ifdef ENABLE_REWRITE
extern int
suffix_massage_config( struct rewrite_info *info,
struct berval *pvnc,
struct berval *nvnc,
struct berval *prnc,
struct berval *nrnc );
#endif /* ENABLE_REWRITE */
extern int
ldap_back_referral_result_rewrite(
dncookie *dc,
BerVarray a_vals,
void *memctx );
extern int
ldap_dnattr_rewrite(
dncookie *dc,
BerVarray a_vals );
extern int
ldap_dnattr_result_rewrite(
dncookie *dc,
BerVarray a_vals );
/* (end of) from back-ldap.h before rwm removal */
/*
* A metasingleconn_t can be in the following, mutually exclusive states:
*
* - none (0x0U)
* - creating META_BACK_FCONN_CREATING
* - initialized META_BACK_FCONN_INITED
* - binding LDAP_BACK_FCONN_BINDING
* - bound/anonymous LDAP_BACK_FCONN_ISBOUND/LDAP_BACK_FCONN_ISANON
*
* possible modifiers are:
*
* - privileged LDAP_BACK_FCONN_ISPRIV
* - privileged, TLS LDAP_BACK_FCONN_ISTLS
* - subjected to idassert LDAP_BACK_FCONN_ISIDASR
* - tainted LDAP_BACK_FCONN_TAINTED
*/
#define META_BACK_FCONN_INITED (0x00100000U)
#define META_BACK_FCONN_CREATING (0x00200000U)
#define META_BACK_CONN_INITED(lc) LDAP_BACK_CONN_ISSET((lc), META_BACK_FCONN_INITED)
#define META_BACK_CONN_INITED_SET(lc) LDAP_BACK_CONN_SET((lc), META_BACK_FCONN_INITED)
#define META_BACK_CONN_INITED_CLEAR(lc) LDAP_BACK_CONN_CLEAR((lc), META_BACK_FCONN_INITED)
#define META_BACK_CONN_INITED_CPY(lc, mlc) LDAP_BACK_CONN_CPY((lc), META_BACK_FCONN_INITED, (mlc))
#define META_BACK_CONN_CREATING(lc) LDAP_BACK_CONN_ISSET((lc), META_BACK_FCONN_CREATING)
#define META_BACK_CONN_CREATING_SET(lc) LDAP_BACK_CONN_SET((lc), META_BACK_FCONN_CREATING)
#define META_BACK_CONN_CREATING_CLEAR(lc) LDAP_BACK_CONN_CLEAR((lc), META_BACK_FCONN_CREATING)
#define META_BACK_CONN_CREATING_CPY(lc, mlc) LDAP_BACK_CONN_CPY((lc), META_BACK_FCONN_CREATING, (mlc))
struct metainfo_t;
#define META_NOT_CANDIDATE ((ber_tag_t)0x0)
#define META_CANDIDATE ((ber_tag_t)0x1)
#define META_BINDING ((ber_tag_t)0x2)
#define META_RETRYING ((ber_tag_t)0x4)
typedef struct metasingleconn_t {
#define META_CND_ISSET(rs,f) ( ( (rs)->sr_tag & (f) ) == (f) )
#define META_CND_SET(rs,f) ( (rs)->sr_tag |= (f) )
#define META_CND_CLEAR(rs,f) ( (rs)->sr_tag &= ~(f) )
#define META_CANDIDATE_RESET(rs) ( (rs)->sr_tag = 0 )
#define META_IS_CANDIDATE(rs) META_CND_ISSET( (rs), META_CANDIDATE )
#define META_CANDIDATE_SET(rs) META_CND_SET( (rs), META_CANDIDATE )
#define META_CANDIDATE_CLEAR(rs) META_CND_CLEAR( (rs), META_CANDIDATE )
#define META_IS_BINDING(rs) META_CND_ISSET( (rs), META_BINDING )
#define META_BINDING_SET(rs) META_CND_SET( (rs), META_BINDING )
#define META_BINDING_CLEAR(rs) META_CND_CLEAR( (rs), META_BINDING )
#define META_IS_RETRYING(rs) META_CND_ISSET( (rs), META_RETRYING )
#define META_RETRYING_SET(rs) META_CND_SET( (rs), META_RETRYING )
#define META_RETRYING_CLEAR(rs) META_CND_CLEAR( (rs), META_RETRYING )
LDAP *msc_ld;
time_t msc_time;
struct berval msc_bound_ndn;
struct berval msc_cred;
unsigned msc_mscflags;
/* NOTE: lc_lcflags is redefined to msc_mscflags to reuse the macros
* defined for back-ldap */
#define lc_lcflags msc_mscflags
} metasingleconn_t;
typedef struct metaconn_t {
ldapconn_base_t lc_base;
#define mc_base lc_base
#define mc_conn mc_base.lcb_conn
#define mc_local_ndn mc_base.lcb_local_ndn
#define mc_refcnt mc_base.lcb_refcnt
#define mc_create_time mc_base.lcb_create_time
#define mc_time mc_base.lcb_time
LDAP_TAILQ_ENTRY(metaconn_t) mc_q;
/* NOTE: msc_mscflags is used to recycle the #define
* in metasingleconn_t */
unsigned msc_mscflags;
/*
* means that the connection is bound;
* of course only one target actually is ...
*/
int mc_authz_target;
#define META_BOUND_NONE (-1)
#define META_BOUND_ALL (-2)
struct metainfo_t *mc_info;
/* supersedes the connection stuff */
metasingleconn_t mc_conns[ 1 ];
/* NOTE: mc_conns must be last, because
* the required number of conns is malloc'ed
* in one block with the metaconn_t structure */
} metaconn_t;
typedef enum meta_st_t {
#if 0 /* todo */
META_ST_EXACT = LDAP_SCOPE_BASE,
#endif
META_ST_SUBTREE = LDAP_SCOPE_SUBTREE,
META_ST_SUBORDINATE = LDAP_SCOPE_SUBORDINATE,
META_ST_REGEX /* last + 1 */
} meta_st_t;
typedef struct metasubtree_t {
meta_st_t ms_type;
union {
struct berval msu_dn;
struct {
struct berval msr_regex_pattern;
regex_t msr_regex;
} msu_regex;
} ms_un;
#define ms_dn ms_un.msu_dn
#define ms_regex ms_un.msu_regex.msr_regex
#define ms_regex_pattern ms_un.msu_regex.msr_regex_pattern
struct metasubtree_t *ms_next;
} metasubtree_t;
typedef struct metafilter_t {
struct metafilter_t *mf_next;
struct berval mf_regex_pattern;
regex_t mf_regex;
} metafilter_t;
typedef struct metacommon_t {
int mc_version;
int mc_nretries;
#define META_RETRY_UNDEFINED (-2)
#define META_RETRY_FOREVER (-1)
#define META_RETRY_NEVER (0)
#define META_RETRY_DEFAULT (10)
unsigned mc_flags;
#define META_BACK_CMN_ISSET(mc,f) ( ( (mc)->mc_flags & (f) ) == (f) )
#define META_BACK_CMN_QUARANTINE(mc) META_BACK_CMN_ISSET( (mc), LDAP_BACK_F_QUARANTINE )
#define META_BACK_CMN_CHASE_REFERRALS(mc) META_BACK_CMN_ISSET( (mc), LDAP_BACK_F_CHASE_REFERRALS )
#define META_BACK_CMN_NOREFS(mc) META_BACK_CMN_ISSET( (mc), LDAP_BACK_F_NOREFS )
#define META_BACK_CMN_NOUNDEFFILTER(mc) META_BACK_CMN_ISSET( (mc), LDAP_BACK_F_NOUNDEFFILTER )
#define META_BACK_CMN_SAVECRED(mc) META_BACK_CMN_ISSET( (mc), LDAP_BACK_F_SAVECRED )
#define META_BACK_CMN_ST_REQUEST(mc) META_BACK_CMN_ISSET( (mc), LDAP_BACK_F_ST_REQUEST )
#ifdef SLAPD_META_CLIENT_PR
/*
* client-side paged results:
* -1: accept unsolicited paged results responses
* 0: off
* >0: always request paged results with size == mt_ps
*/
#define META_CLIENT_PR_DISABLE (0)
#define META_CLIENT_PR_ACCEPT_UNSOLICITED (-1)
ber_int_t mc_ps;
#endif /* SLAPD_META_CLIENT_PR */
slap_retry_info_t mc_quarantine;
time_t mc_network_timeout;
struct timeval mc_bind_timeout;
#define META_BIND_TIMEOUT LDAP_BACK_RESULT_UTIMEOUT
time_t mc_timeout[ SLAP_OP_LAST ];
} metacommon_t;
typedef struct metatarget_t {
char *mt_uri;
ldap_pvt_thread_mutex_t mt_uri_mutex;
/* TODO: we might want to enable different strategies
* for different targets */
LDAP_REBIND_PROC *mt_rebind_f;
LDAP_URLLIST_PROC *mt_urllist_f;
void *mt_urllist_p;
metafilter_t *mt_filter;
metasubtree_t *mt_subtree;
/* F: subtree-include; T: subtree-exclude */
int mt_subtree_exclude;
int mt_scope;
struct berval mt_psuffix; /* pretty suffix */
struct berval mt_nsuffix; /* normalized suffix */
struct berval mt_binddn;
struct berval mt_bindpw;
/* we only care about the TLS options here */
slap_bindconf mt_tls;
slap_idassert_t mt_idassert;
#define mt_idassert_mode mt_idassert.si_mode
#define mt_idassert_authcID mt_idassert.si_bc.sb_authcId
#define mt_idassert_authcDN mt_idassert.si_bc.sb_binddn
#define mt_idassert_passwd mt_idassert.si_bc.sb_cred
#define mt_idassert_authzID mt_idassert.si_bc.sb_authzId
#define mt_idassert_authmethod mt_idassert.si_bc.sb_method
#define mt_idassert_sasl_mech mt_idassert.si_bc.sb_saslmech
#define mt_idassert_sasl_realm mt_idassert.si_bc.sb_realm
#define mt_idassert_secprops mt_idassert.si_bc.sb_secprops
#define mt_idassert_tls mt_idassert.si_bc.sb_tls
#define mt_idassert_flags mt_idassert.si_flags
#define mt_idassert_authz mt_idassert.si_authz
struct ldaprwmap mt_rwmap;
sig_atomic_t mt_isquarantined;
ldap_pvt_thread_mutex_t mt_quarantine_mutex;
metacommon_t mt_mc;
#define mt_nretries mt_mc.mc_nretries
#define mt_flags mt_mc.mc_flags
#define mt_version mt_mc.mc_version
#define mt_ps mt_mc.mc_ps
#define mt_network_timeout mt_mc.mc_network_timeout
#define mt_bind_timeout mt_mc.mc_bind_timeout
#define mt_timeout mt_mc.mc_timeout
#define mt_quarantine mt_mc.mc_quarantine
#define META_BACK_TGT_ISSET(mt,f) ( ( (mt)->mt_flags & (f) ) == (f) )
#define META_BACK_TGT_ISMASK(mt,m,f) ( ( (mt)->mt_flags & (m) ) == (f) )
#define META_BACK_TGT_SAVECRED(mt) META_BACK_TGT_ISSET( (mt), LDAP_BACK_F_SAVECRED )
#define META_BACK_TGT_USE_TLS(mt) META_BACK_TGT_ISSET( (mt), LDAP_BACK_F_USE_TLS )
#define META_BACK_TGT_PROPAGATE_TLS(mt) META_BACK_TGT_ISSET( (mt), LDAP_BACK_F_PROPAGATE_TLS )
#define META_BACK_TGT_TLS_CRITICAL(mt) META_BACK_TGT_ISSET( (mt), LDAP_BACK_F_TLS_CRITICAL )
#define META_BACK_TGT_CHASE_REFERRALS(mt) META_BACK_TGT_ISSET( (mt), LDAP_BACK_F_CHASE_REFERRALS )
#define META_BACK_TGT_T_F(mt) META_BACK_TGT_ISMASK( (mt), LDAP_BACK_F_T_F_MASK, LDAP_BACK_F_T_F )
#define META_BACK_TGT_T_F_DISCOVER(mt) META_BACK_TGT_ISMASK( (mt), LDAP_BACK_F_T_F_MASK2, LDAP_BACK_F_T_F_DISCOVER )
#define META_BACK_TGT_ABANDON(mt) META_BACK_TGT_ISMASK( (mt), LDAP_BACK_F_CANCEL_MASK, LDAP_BACK_F_CANCEL_ABANDON )
#define META_BACK_TGT_IGNORE(mt) META_BACK_TGT_ISMASK( (mt), LDAP_BACK_F_CANCEL_MASK, LDAP_BACK_F_CANCEL_IGNORE )
#define META_BACK_TGT_CANCEL(mt) META_BACK_TGT_ISMASK( (mt), LDAP_BACK_F_CANCEL_MASK, LDAP_BACK_F_CANCEL_EXOP )
#define META_BACK_TGT_CANCEL_DISCOVER(mt) META_BACK_TGT_ISMASK( (mt), LDAP_BACK_F_CANCEL_MASK2, LDAP_BACK_F_CANCEL_EXOP_DISCOVER )
#define META_BACK_TGT_QUARANTINE(mt) META_BACK_TGT_ISSET( (mt), LDAP_BACK_F_QUARANTINE )
#ifdef SLAP_CONTROL_X_SESSION_TRACKING
#define META_BACK_TGT_ST_REQUEST(mt) META_BACK_TGT_ISSET( (mt), LDAP_BACK_F_ST_REQUEST )
#define META_BACK_TGT_ST_RESPONSE(mt) META_BACK_TGT_ISSET( (mt), LDAP_BACK_F_ST_RESPONSE )
#endif /* SLAP_CONTROL_X_SESSION_TRACKING */
#define META_BACK_TGT_NOREFS(mt) META_BACK_TGT_ISSET( (mt), LDAP_BACK_F_NOREFS )
#define META_BACK_TGT_NOUNDEFFILTER(mt) META_BACK_TGT_ISSET( (mt), LDAP_BACK_F_NOUNDEFFILTER )
slap_mask_t mt_rep_flags;
} metatarget_t;
typedef struct metadncache_t {
ldap_pvt_thread_mutex_t mutex;
Avlnode *tree;
#define META_DNCACHE_DISABLED (0)
#define META_DNCACHE_FOREVER ((time_t)(-1))
time_t ttl; /* seconds; 0: no cache, -1: no expiry */
} metadncache_t;
typedef struct metacandidates_t {
int mc_ntargets;
SlapReply *mc_candidates;
} metacandidates_t;
/*
* Hook to allow mucking with metainfo_t/metatarget_t when quarantine is over
*/
typedef int (*meta_back_quarantine_f)( struct metainfo_t *, int target, void * );
typedef struct metainfo_t {
int mi_ntargets;
int mi_defaulttarget;
#define META_DEFAULT_TARGET_NONE (-1)
#define mi_nretries mi_mc.mc_nretries
#define mi_flags mi_mc.mc_flags
#define mi_version mi_mc.mc_version
#define mi_ps mi_mc.mc_ps
#define mi_network_timeout mi_mc.mc_network_timeout
#define mi_bind_timeout mi_mc.mc_bind_timeout
#define mi_timeout mi_mc.mc_timeout
#define mi_quarantine mi_mc.mc_quarantine
metatarget_t **mi_targets;
metacandidates_t *mi_candidates;
LDAP_REBIND_PROC *mi_rebind_f;
LDAP_URLLIST_PROC *mi_urllist_f;
metadncache_t mi_cache;
/* cached connections;
* special conns are in tailq rather than in tree */
ldap_avl_info_t mi_conninfo;
struct {
int mic_num;
LDAP_TAILQ_HEAD(mc_conn_priv_q, metaconn_t) mic_priv;
} mi_conn_priv[ LDAP_BACK_PCONN_LAST ];
int mi_conn_priv_max;
/* NOTE: quarantine uses the connection mutex */
meta_back_quarantine_f mi_quarantine_f;
void *mi_quarantine_p;
#define li_flags mi_flags
/* uses flags as defined in <back-ldap/back-ldap.h> */
#define META_BACK_F_ONERR_STOP LDAP_BACK_F_ONERR_STOP
#define META_BACK_F_ONERR_REPORT (0x02000000U)
#define META_BACK_F_ONERR_MASK (META_BACK_F_ONERR_STOP|META_BACK_F_ONERR_REPORT)
#define META_BACK_F_DEFER_ROOTDN_BIND (0x04000000U)
#define META_BACK_F_PROXYAUTHZ_ALWAYS (0x08000000U) /* users always proxyauthz */
#define META_BACK_F_PROXYAUTHZ_ANON (0x10000000U) /* anonymous always proxyauthz */
#define META_BACK_F_PROXYAUTHZ_NOANON (0x20000000U) /* anonymous remains anonymous */
#define META_BACK_ONERR_STOP(mi) LDAP_BACK_ISSET( (mi), META_BACK_F_ONERR_STOP )
#define META_BACK_ONERR_REPORT(mi) LDAP_BACK_ISSET( (mi), META_BACK_F_ONERR_REPORT )
#define META_BACK_ONERR_CONTINUE(mi) ( !LDAP_BACK_ISSET( (mi), META_BACK_F_ONERR_MASK ) )
#define META_BACK_DEFER_ROOTDN_BIND(mi) LDAP_BACK_ISSET( (mi), META_BACK_F_DEFER_ROOTDN_BIND )
#define META_BACK_PROXYAUTHZ_ALWAYS(mi) LDAP_BACK_ISSET( (mi), META_BACK_F_PROXYAUTHZ_ALWAYS )
#define META_BACK_PROXYAUTHZ_ANON(mi) LDAP_BACK_ISSET( (mi), META_BACK_F_PROXYAUTHZ_ANON )
#define META_BACK_PROXYAUTHZ_NOANON(mi) LDAP_BACK_ISSET( (mi), META_BACK_F_PROXYAUTHZ_NOANON )
#define META_BACK_QUARANTINE(mi) LDAP_BACK_ISSET( (mi), LDAP_BACK_F_QUARANTINE )
time_t mi_conn_ttl;
time_t mi_idle_timeout;
metacommon_t mi_mc;
ldap_extra_t *mi_ldap_extra;
} metainfo_t;
typedef enum meta_op_type {
META_OP_ALLOW_MULTIPLE = 0,
META_OP_REQUIRE_SINGLE,
META_OP_REQUIRE_ALL
} meta_op_type;
SlapReply *
meta_back_candidates_get( Operation *op );
extern metaconn_t *
meta_back_getconn(
Operation *op,
SlapReply *rs,
int *candidate,
ldap_back_send_t sendok );
extern void
meta_back_release_conn_lock(
metainfo_t *mi,
metaconn_t *mc,
int dolock );
#define meta_back_release_conn(mi, mc) meta_back_release_conn_lock( (mi), (mc), 1 )
extern int
meta_back_retry(
Operation *op,
SlapReply *rs,
metaconn_t **mcp,
int candidate,
ldap_back_send_t sendok );
extern void
meta_back_conn_free(
void *v_mc );
#if META_BACK_PRINT_CONNTREE > 0
extern void
meta_back_print_conntree(
metainfo_t *mi,
char *msg );
#endif
extern int
meta_back_init_one_conn(
Operation *op,
SlapReply *rs,
metaconn_t *mc,
int candidate,
int ispriv,
ldap_back_send_t sendok,
int dolock );
extern void
meta_back_quarantine(
Operation *op,
SlapReply *rs,
int candidate );
extern int
meta_back_dobind(
Operation *op,
SlapReply *rs,
metaconn_t *mc,
ldap_back_send_t sendok );
extern int
meta_back_single_dobind(
Operation *op,
SlapReply *rs,
metaconn_t **mcp,
int candidate,
ldap_back_send_t sendok,
int retries,
int dolock );
extern int
meta_back_proxy_authz_cred(
metaconn_t *mc,
int candidate,
Operation *op,
SlapReply *rs,
ldap_back_send_t sendok,
struct berval *binddn,
struct berval *bindcred,
int *method );
extern int
meta_back_cancel(
metaconn_t *mc,
Operation *op,
SlapReply *rs,
ber_int_t msgid,
int candidate,
ldap_back_send_t sendok );
extern int
meta_back_op_result(
metaconn_t *mc,
Operation *op,
SlapReply *rs,
int candidate,
ber_int_t msgid,
time_t timeout,
ldap_back_send_t sendok );
extern int
meta_back_controls_add(
Operation *op,
SlapReply *rs,
metaconn_t *mc,
int candidate,
LDAPControl ***pctrls );
extern int
back_meta_LTX_init_module(
int argc,
char *argv[] );
extern int
meta_back_conn_cmp(
const void *c1,
const void *c2 );
extern int
meta_back_conndn_cmp(
const void *c1,
const void *c2 );
extern int
meta_back_conndn_dup(
void *c1,
void *c2 );
/*
* Candidate stuff
*/
extern int
meta_back_is_candidate(
metatarget_t *mt,
struct berval *ndn,
int scope );
extern int
meta_back_select_unique_candidate(
metainfo_t *mi,
struct berval *ndn );
extern int
meta_clear_unused_candidates(
Operation *op,
int candidate );
extern int
meta_clear_one_candidate(
Operation *op,
metaconn_t *mc,
int candidate );
/*
* Dn cache stuff (experimental)
*/
extern int
meta_dncache_cmp(
const void *c1,
const void *c2 );
extern int
meta_dncache_dup(
void *c1,
void *c2 );
#define META_TARGET_NONE (-1)
#define META_TARGET_MULTIPLE (-2)
extern int
meta_dncache_get_target(
metadncache_t *cache,
struct berval *ndn );
extern int
meta_dncache_update_entry(
metadncache_t *cache,
struct berval *ndn,
int target );
extern int
meta_dncache_delete_entry(
metadncache_t *cache,
struct berval *ndn );
extern void
meta_dncache_free( void *entry );
extern void
meta_back_map_free( struct ldapmap *lm );
extern int
meta_subtree_destroy( metasubtree_t *ms );
extern void
meta_filter_destroy( metafilter_t *mf );
extern int
meta_target_finish( metainfo_t *mi, metatarget_t *mt,
const char *log, char *msg, size_t msize
);
extern LDAP_REBIND_PROC meta_back_default_rebind;
extern LDAP_URLLIST_PROC meta_back_default_urllist;
LDAP_END_DECL
#endif /* SLAPD_META_H */
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