openldap/servers/slapd/back-meta/back-meta.h
2004-11-13 14:45:18 +00:00

363 lines
7.1 KiB
C

/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
* Copyright 1999-2004 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
#include "proto-meta.h"
/* String rewrite library */
#include "rewrite.h"
LDAP_BEGIN_DECL
struct slap_conn;
struct slap_op;
/* 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 */
/*
* Attribute/objectClass mapping
*/
struct ldapmap rwm_oc;
struct ldapmap rwm_at;
};
/* Whatever context ldap_back_dn_massage needs... */
typedef struct dncookie {
struct ldaprwmap *rwmap;
#ifdef ENABLE_REWRITE
Connection *conn;
char *ctx;
SlapReply *rs;
#else
int normalized;
int tofrom;
#endif
} dncookie;
int ldap_back_freeconn( Operation *op, struct ldapconn *lc );
struct ldapconn *ldap_back_getconn(struct slap_op *op, struct slap_rep *rs);
int ldap_back_dobind(struct ldapconn *lc, Operation *op, SlapReply *rs);
int ldap_back_retry(struct ldapconn *lc, Operation *op, SlapReply *rs);
int ldap_back_map_result(SlapReply *rs);
int ldap_back_op_result(struct ldapconn *lc, Operation *op, SlapReply *rs,
ber_int_t msgid, int sendok);
int back_ldap_LTX_init_module(int argc, char *argv[]);
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 ** );
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(
struct ldapmap *at_map,
AttributeName *a,
int remap,
char ***mapped_attrs
);
extern int ldap_back_map_config(
struct ldapmap *oc_map,
struct ldapmap *at_map,
const char *fname,
int lineno,
int argc,
char **argv );
extern int
ldap_back_filter_map_rewrite(
dncookie *dc,
Filter *f,
struct berval *fstr,
int remap );
/* 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_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 */
struct metasingleconn {
int candidate;
#define META_NOT_CANDIDATE 0
#define META_CANDIDATE 1
#define META_LAST_CONN -1
LDAP *ld;
struct berval bound_dn;
struct berval cred;
int bound;
#define META_UNBOUND 0
#define META_BOUND 1
#define META_ANONYMOUS 2
};
#define META_LAST(lsc) ((lsc)->candidate == META_LAST_CONN)
struct metaconn {
struct slap_conn *conn;
struct rewrite_info *rwinfo;
/*
* means that the connection is bound;
* of course only one target actually is ...
*/
int bound_target;
#define META_BOUND_NONE -1
#define META_BOUND_ALL -2
/* supersedes the connection stuff */
struct metasingleconn *conns;
};
struct metatarget {
char *uri;
struct berval psuffix; /* pretty suffix */
struct berval suffix; /* normalized suffix */
struct berval binddn;
struct berval bindpw;
struct berval pseudorootdn;
struct berval pseudorootpw;
#if 0
struct rewrite_info *rwinfo;
struct ldapmap oc_map;
struct ldapmap at_map;
#endif
struct ldaprwmap rwmap;
};
struct metadncache {
ldap_pvt_thread_mutex_t mutex;
Avlnode *tree;
#define META_DNCACHE_DISABLED 0
#define META_DNCACHE_FOREVER -1
long int ttl; /* seconds; 0: no cache, -1: no expiry */
};
struct metainfo {
int ntargets;
int defaulttarget;
int network_timeout;
#define META_DEFAULT_TARGET_NONE -1
struct metatarget **targets;
struct rewrite_info *rwinfo;
Backend *glue_be;
struct metadncache cache;
ldap_pvt_thread_mutex_t conn_mutex;
Avlnode *conntree;
int savecred;
};
#define META_OP_ALLOW_MULTIPLE 0x00
#define META_OP_REQUIRE_SINGLE 0x01
#define META_OP_REQUIRE_ALL 0x02
extern struct metaconn *
meta_back_getconn(
Operation *op,
SlapReply *rs,
int op_type,
struct berval *dn,
int *candidate
);
extern int
meta_back_dobind(
struct metaconn *lc,
Operation *op
);
extern int
meta_back_is_valid(
struct metaconn *lc,
int candidate
);
extern int
meta_back_op_result(
struct metaconn *lc,
Operation *op,
SlapReply *rs
);
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_conn_dup(
void *c1,
void *c2
);
/*
* Candidate stuff
*/
extern int
meta_back_is_candidate(
struct berval *nsuffix,
struct berval *ndn
);
extern int
meta_back_count_candidates(
struct metainfo *li,
struct berval *ndn
);
extern int
meta_back_is_candidate_unique(
struct metainfo *li,
struct berval *ndn
);
extern int
meta_back_select_unique_candidate(
struct metainfo *li,
struct berval *ndn
);
extern int
meta_clear_unused_candidates(
struct metainfo *li,
struct metaconn *lc,
int candidate,
int reallyclean
);
extern int
meta_clear_one_candidate(
struct metasingleconn *lc,
int reallyclean
);
/*
* Dn cache stuff (experimental)
*/
extern int
meta_dncache_cmp(
const void *c1,
const void *c2
);
extern int
meta_dncache_dup(
void *c1,
void *c2
);
extern int
meta_dncache_get_target(
struct metadncache *cache,
struct berval *ndn
);
extern int
meta_dncache_update_entry(
struct metadncache *cache,
struct berval *ndn,
int target
);
extern int
meta_dncache_delete_entry(
struct metadncache *cache,
struct berval *ndn
);
extern void
meta_dncache_free(
void *entry
);
LDAP_END_DECL
#endif /* SLAPD_META_H */