/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
- * Copyright 1999-2005 The OpenLDAP Foundation.
+ * Copyright 1999-2006 The OpenLDAP Foundation.
* Portions Copyright 2001-2003 Pierangelo Masarati.
* Portions Copyright 1999-2003 Howard Chu.
* All rights reserved.
#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 */
+
struct slap_conn;
struct slap_op;
/* Whatever context ldap_back_dn_massage needs... */
typedef struct dncookie {
- struct ldaprwmap *rwmap;
+ struct metatarget_t *target;
#ifdef ENABLE_REWRITE
- Connection *conn;
- char *ctx;
- SlapReply *rs;
+ Connection *conn;
+ char *ctx;
+ SlapReply *rs;
#else
- int normalized;
- int tofrom;
+ 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);
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
-);
+ 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
-);
+ 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 );
+ 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 );
+ 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);
+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 );
-extern int ldap_dnattr_rewrite( dncookie *dc, BerVarray a_vals );
-extern int ldap_dnattr_result_rewrite( dncookie *dc, BerVarray a_vals );
+extern int
+ldap_back_referral_result_rewrite(
+ dncookie *dc,
+ BerVarray a_vals );
+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)
+/*
+ * 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
+ */
-struct metaconn {
- struct slap_conn *conn;
- struct rewrite_info *rwinfo;
+#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)
+
+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 )
+ 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 {
+ struct slap_conn *mc_conn;
+#define lc_conn mc_conn
+ unsigned mc_refcnt;
+
+ time_t mc_create_time;
+ time_t mc_time;
+
+ struct berval mc_local_ndn;
+ /* 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 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;
+ int mc_authz_target;
+#define META_BOUND_NONE (-1)
+#define META_BOUND_ALL (-2)
- struct berval pseudorootdn;
- struct berval pseudorootpw;
+ struct metainfo_t *mc_info;
-#if 0
- struct rewrite_info *rwinfo;
+ LDAP_TAILQ_ENTRY(metaconn_t) mc_q;
- struct ldapmap oc_map;
- struct ldapmap at_map;
-#endif
- struct ldaprwmap rwmap;
-};
-
-struct metadncache {
+ /* 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 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;
+
+ BerVarray 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;
+
+ 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
+
+ int mt_nretries;
+#define META_RETRY_UNDEFINED (-2)
+#define META_RETRY_FOREVER (-1)
+#define META_RETRY_NEVER (0)
+#define META_RETRY_DEFAULT (10)
+
+ struct ldaprwmap mt_rwmap;
+
+ sig_atomic_t mt_isquarantined;
+ slap_retry_info_t mt_quarantine;
+ ldap_pvt_thread_mutex_t mt_quarantine_mutex;
+#define META_BACK_TGT_QUARANTINE(mt) ( (mt)->mt_quarantine.ri_num != NULL )
+
+ unsigned mt_flags;
+#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_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 )
+
+ int mt_version;
+ time_t mt_network_timeout;
+ struct timeval mt_bind_timeout;
+#define META_BIND_TIMEOUT LDAP_BACK_RESULT_UTIMEOUT
+ time_t mt_timeout[ SLAP_OP_LAST ];
+} metatarget_t;
+
+typedef struct metadncache_t {
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 */
-};
+#define META_DNCACHE_DISABLED (0)
+#define META_DNCACHE_FOREVER ((time_t)(-1))
+ time_t ttl; /* seconds; 0: no cache, -1: no expiry */
+} metadncache_t;
-struct metainfo {
- int ntargets;
- int defaulttarget;
- int network_timeout;
-#define META_DEFAULT_TARGET_NONE -1
- struct metatarget **targets;
+typedef struct metacandidates_t {
+ int mc_ntargets;
+ SlapReply *mc_candidates;
+} metacandidates_t;
- struct rewrite_info *rwinfo;
- Backend *glue_be;
+/*
+ * 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 * );
- struct metadncache cache;
-
- ldap_pvt_thread_mutex_t conn_mutex;
- Avlnode *conntree;
+typedef struct metainfo_t {
+ int mi_ntargets;
+ int mi_defaulttarget;
+#define META_DEFAULT_TARGET_NONE (-1)
+ int mi_nretries;
- int savecred;
-};
+ metatarget_t **mi_targets;
+ metacandidates_t *mi_candidates;
-#define META_OP_ALLOW_MULTIPLE 0x00
-#define META_OP_REQUIRE_SINGLE 0x01
-#define META_OP_REQUIRE_ALL 0x02
-extern struct metaconn *
+ 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 */
+ slap_retry_info_t mi_quarantine;
+
+#define META_BACK_QUARANTINE(mi) ( (mi)->mi_quarantine.ri_num != NULL )
+ meta_back_quarantine_f mi_quarantine_f;
+ void *mi_quarantine_p;
+
+ unsigned mi_flags;
+#define li_flags mi_flags
+/* uses flags as defined in <back-ldap/back-ldap.h> */
+#define META_BACK_F_ONERR_STOP (0x00100000U)
+#define META_BACK_F_ONERR_REPORT (0x00200000U)
+#define META_BACK_F_ONERR_MASK (META_BACK_F_ONERR_STOP|META_BACK_F_ONERR_REPORT)
+#define META_BACK_F_DEFER_ROOTDN_BIND (0x00400000U)
+#define META_BACK_F_PROXYAUTHZ_ALWAYS (0x00800000U)
+
+#define META_BACK_ONERR_STOP(mi) ( (mi)->mi_flags & META_BACK_F_ONERR_STOP )
+#define META_BACK_ONERR_REPORT(mi) ( (mi)->mi_flags & META_BACK_F_ONERR_REPORT )
+#define META_BACK_ONERR_CONTINUE(mi) ( !( (mi)->mi_flags & META_BACK_F_ONERR_MASK ) )
+
+#define META_BACK_DEFER_ROOTDN_BIND(mi) ( (mi)->mi_flags & META_BACK_F_DEFER_ROOTDN_BIND )
+#define META_BACK_PROXYAUTHZ_ALWAYS(mi) ( (mi)->mi_flags & META_BACK_F_PROXYAUTHZ_ALWAYS )
+
+ int mi_version;
+ time_t mi_network_timeout;
+ time_t mi_conn_ttl;
+ time_t mi_idle_timeout;
+ struct timeval mi_bind_timeout;
+ time_t mi_timeout[ SLAP_OP_LAST ];
+} 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 op_type,
- struct berval *dn,
- int *candidate
-);
+ Operation *op,
+ SlapReply *rs,
+ int *candidate,
+ ldap_back_send_t sendok );
+
+extern void
+meta_back_release_conn_lock(
+ Operation *op,
+ metaconn_t *mc,
+ int dolock );
+#define meta_back_release_conn(op, mc) meta_back_release_conn_lock( (op), (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(
- struct metaconn *lc,
- Operation *op
-);
+ 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_is_valid(
- struct metaconn *lc,
- int candidate
-);
+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(
- struct metaconn *lc,
- Operation *op,
- SlapReply *rs
-);
+ metaconn_t *mc,
+ Operation *op,
+ SlapReply *rs,
+ int candidate,
+ ber_int_t msgid,
+ time_t timeout,
+ ldap_back_send_t sendok );
extern int
back_meta_LTX_init_module(
- int argc,
- char *argv[]
-);
+ int argc,
+ char *argv[] );
extern int
meta_back_conn_cmp(
- const void *c1,
- const void *c2
-);
+ const void *c1,
+ const void *c2 );
extern int
-meta_back_conn_dup(
- void *c1,
- void *c2
-);
+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(
- 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
-);
+ metatarget_t *mt,
+ struct berval *ndn,
+ int scope );
extern int
meta_back_select_unique_candidate(
- struct metainfo *li,
- struct berval *ndn
-);
+ metainfo_t *mi,
+ struct berval *ndn );
extern int
meta_clear_unused_candidates(
- struct metainfo *li,
- struct metaconn *lc,
- int candidate,
- int reallyclean
-);
+ Operation *op,
+ int candidate );
extern int
meta_clear_one_candidate(
- struct metasingleconn *lc,
- int reallyclean
-);
+ Operation *op,
+ metaconn_t *mc,
+ int candidate );
/*
* Dn cache stuff (experimental)
*/
extern int
meta_dncache_cmp(
- const void *c1,
- const void *c2
-);
+ const void *c1,
+ const void *c2 );
extern int
meta_dncache_dup(
- void *c1,
- void *c2
-);
+ void *c1,
+ void *c2 );
+#define META_TARGET_NONE (-1)
+#define META_TARGET_MULTIPLE (-2)
extern int
meta_dncache_get_target(
- struct metadncache *cache,
- struct berval *ndn
-);
+ metadncache_t *cache,
+ struct berval *ndn );
extern int
meta_dncache_update_entry(
- struct metadncache *cache,
- struct berval *ndn,
- int target
-);
+ metadncache_t *cache,
+ struct berval *ndn,
+ int target );
extern int
meta_dncache_delete_entry(
- struct metadncache *cache,
- struct berval *ndn
-);
+ metadncache_t *cache,
+ struct berval *ndn );
extern void
-meta_dncache_free(
- void *entry
-);
+meta_dncache_free( void *entry );
+
+extern LDAP_REBIND_PROC meta_back_default_rebind;
+extern LDAP_URLLIST_PROC meta_back_default_urllist;
LDAP_END_DECL
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