X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=servers%2Fslapd%2Fbackend.c;h=54249eebc400a67a246600458aaae67f52a67e40;hb=a11dc61e05b519963fc49a58c3a5b9881938c87e;hp=2d7c040baacb2c4026c4be91fec7afc3dbbd8dfe;hpb=51849d6ecb17283c3539ac8a7cf2ec1f9d2fc808;p=openldap diff --git a/servers/slapd/backend.c b/servers/slapd/backend.c index 2d7c040baa..54249eebc4 100644 --- a/servers/slapd/backend.c +++ b/servers/slapd/backend.c @@ -1,9 +1,28 @@ +/* backend.c - routines for dealing with back-end databases */ /* $OpenLDAP$ */ -/* - * Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved. - * COPYING RESTRICTIONS APPLY, see COPYRIGHT file +/* This work is part of OpenLDAP Software . + * + * Copyright 1998-2004 The OpenLDAP Foundation. + * 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 + * . + */ +/* Portions Copyright (c) 1995 Regents of the University of Michigan. + * All rights reserved. + * + * Redistribution and use in source and binary forms are permitted + * provided that this notice is preserved and that due credit is given + * to the University of Michigan at Ann Arbor. The name of the University + * may not be used to endorse or promote products derived from this + * software without specific prior written permission. This software + * is provided ``as is'' without express or implied warranty. */ -/* backend.c - routines for dealing with back-end databases */ #include "portable.h" @@ -18,8 +37,10 @@ #include "lutil.h" #include "lber_pvt.h" +#include "ldap_rq.h" + #ifdef LDAP_SLAPI -#include "slapi.h" +#include "slapi/slapi.h" #endif /* @@ -36,6 +57,9 @@ #if defined(SLAPD_DNSSRV) && !defined(SLAPD_DNSSRV_DYNAMIC) #include "back-dnssrv/external.h" #endif +#if defined(SLAPD_HDB) && !defined(SLAPD_HDB_DYNAMIC) +#include "back-hdb/external.h" +#endif #if defined(SLAPD_LDAP) && !defined(SLAPD_LDAP_DYNAMIC) #include "back-ldap/external.h" #endif @@ -57,6 +81,9 @@ #if defined(SLAPD_PERL) && !defined(SLAPD_PERL_DYNAMIC) #include "back-perl/external.h" #endif +#if defined(SLAPD_RELAY) && !defined(SLAPD_RELAY_DYNAMIC) +#include "back-relay/external.h" +#endif #if defined(SLAPD_SHELL) && !defined(SLAPD_SHELL_DYNAMIC) #include "back-shell/external.h" #endif @@ -77,6 +104,9 @@ static BackendInfo binfo[] = { #if defined(SLAPD_DNSSRV) && !defined(SLAPD_DNSSRV_DYNAMIC) {"dnssrv", dnssrv_back_initialize}, #endif +#if defined(SLAPD_HDB) && !defined(SLAPD_HDB_DYNAMIC) + {"hdb", hdb_initialize}, +#endif #if defined(SLAPD_LDAP) && !defined(SLAPD_LDAP_DYNAMIC) {"ldap", ldap_back_initialize}, #endif @@ -98,6 +128,9 @@ static BackendInfo binfo[] = { #if defined(SLAPD_PERL) && !defined(SLAPD_PERL_DYNAMIC) {"perl", perl_back_initialize}, #endif +#if defined(SLAPD_RELAY) && !defined(SLAPD_RELAY_DYNAMIC) + {"relay", relay_back_initialize}, +#endif #if defined(SLAPD_SHELL) && !defined(SLAPD_SHELL_DYNAMIC) {"shell", shell_back_initialize}, #endif @@ -120,10 +153,15 @@ BackendInfo *backendInfo = NULL; int nBackendDB = 0; BackendDB *backendDB = NULL; +ldap_pvt_thread_pool_t syncrepl_pool; +int syncrepl_pool_max = SLAP_MAX_SYNCREPL_THREADS; + int backend_init(void) { int rc = -1; + ldap_pvt_thread_pool_init( &syncrepl_pool, syncrepl_pool_max, 0 ); + if((nBackendInfo != 0) || (backendInfo != NULL)) { /* already initialized */ #ifdef NEW_LOGGING @@ -140,6 +178,8 @@ int backend_init(void) binfo[nBackendInfo].bi_type != NULL; nBackendInfo++ ) { + assert( binfo[nBackendInfo].bi_init ); + rc = binfo[nBackendInfo].bi_init( &binfo[nBackendInfo] ); if(rc != 0) { @@ -191,6 +231,21 @@ int backend_add(BackendInfo *aBackendInfo) { int rc = 0; + if ( aBackendInfo->bi_init == NULL ) { +#ifdef NEW_LOGGING + LDAP_LOG( BACKEND, ERR, + "backend_add: backend type \"%s\" does not have the " + "(mandatory)init function\n", + aBackendInfo->bi_type, 0, 0 ); +#else + Debug( LDAP_DEBUG_ANY, + "backend_add: backend type \"%s\" does not have the " + "(mandatory)init function\n", + aBackendInfo->bi_type, 0, 0 ); +#endif + return -1; + } + if ((rc = aBackendInfo->bi_init(aBackendInfo)) != 0) { #ifdef NEW_LOGGING LDAP_LOG( BACKEND, ERR, @@ -246,13 +301,18 @@ int backend_startup(Backend *be) if(be != NULL) { /* startup a specific backend database */ + + LDAP_TAILQ_INIT( &be->be_pending_csn_list ); + #ifdef NEW_LOGGING LDAP_LOG( BACKEND, DETAIL1, "backend_startup: starting \"%s\"\n", - be->be_suffix[0].bv_val, 0, 0 ); + be->be_suffix ? be->be_suffix[0].bv_val : "(unknown)", + 0, 0 ); #else Debug( LDAP_DEBUG_TRACE, "backend_startup: starting \"%s\"\n", - be->be_suffix[0].bv_val, 0, 0 ); + be->be_suffix ? be->be_suffix[0].bv_val : "(unknown)", + 0, 0 ); #endif if ( be->bd_info->bi_open ) { @@ -312,11 +372,31 @@ int backend_startup(Backend *be) } } + ldap_pvt_thread_mutex_init( &syncrepl_rq.rq_mutex ); + LDAP_STAILQ_INIT( &syncrepl_rq.task_list ); + LDAP_STAILQ_INIT( &syncrepl_rq.run_list ); + /* open each backend database */ for( i = 0; i < nBackendDB; i++ ) { /* append global access controls */ acl_append( &backendDB[i].be_acl, global_acl ); + LDAP_TAILQ_INIT( &backendDB[i].be_pending_csn_list ); + + if ( backendDB[i].be_suffix == NULL ) { +#ifdef NEW_LOGGING + LDAP_LOG( BACKEND, CRIT, + "backend_startup: warning, database %d (%s) " + "has no suffix\n", + i, backendDB[i].bd_info->bi_type, 0 ); +#else + Debug( LDAP_DEBUG_ANY, + "backend_startup: warning, database %d (%s) " + "has no suffix\n", + i, backendDB[i].bd_info->bi_type, 0 ); +#endif + } + if ( backendDB[i].bd_info->bi_db_open ) { rc = backendDB[i].bd_info->bi_db_open( &backendDB[i] ); @@ -332,6 +412,33 @@ int backend_startup(Backend *be) return rc; } } + + if ( !LDAP_STAILQ_EMPTY( &backendDB[i].be_syncinfo )) { + syncinfo_t *si; + + if ( !( backendDB[i].be_search && backendDB[i].be_add && + backendDB[i].be_modify && backendDB[i].be_delete )) { +#ifdef NEW_LOGGING + LDAP_LOG( BACKEND, CRIT, + "backend_startup: database(%d) does not support " + "operations required for syncrepl", i, 0, 0 ); +#else + Debug( LDAP_DEBUG_ANY, + "backend_startup: database(%d) does not support " + "operations required for syncrepl", i, 0, 0 ); +#endif + continue; + } + + LDAP_STAILQ_FOREACH( si, &backendDB[i].be_syncinfo, si_next ) { + si->si_be = &backendDB[i]; + init_syncrepl( si ); + ldap_pvt_thread_mutex_lock( &syncrepl_rq.rq_mutex ); + ldap_pvt_runqueue_insert( &syncrepl_rq, + si->si_interval, do_syncrepl, (void *) si ); + ldap_pvt_thread_mutex_unlock( &syncrepl_rq.rq_mutex ); + } + } } return rc; @@ -414,6 +521,8 @@ int backend_destroy(void) int i; BackendDB *bd; + ldap_pvt_thread_pool_destroy( &syncrepl_pool, 1 ); + /* destroy each backend database */ for( i = 0, bd = backendDB; i < nBackendDB; i++, bd++ ) { if ( bd->bd_info->bi_db_destroy ) { @@ -493,6 +602,13 @@ backend_db_init( be->be_requires = global_requires; be->be_ssf_set = global_ssf_set; + be->be_context_csn.bv_len = 0; + be->be_context_csn.bv_val = NULL; + ldap_pvt_thread_mutex_init( &be->be_pcl_mutex ); + ldap_pvt_thread_mutex_init( &be->be_context_csn_mutex ); + + LDAP_STAILQ_INIT( &be->be_syncinfo ); + /* assign a default depth limit for alias deref */ be->be_max_deref_depth = SLAPD_DEFAULT_MAXDEREFDEPTH; @@ -565,7 +681,8 @@ select_backend( if( be == NULL ) { be = &backends[i]; - if( manageDSAit && len == dnlen ) { + if( manageDSAit && len == dnlen && + !SLAP_GLUE_SUBORDINATE( be ) ) { continue; } } else { @@ -597,7 +714,7 @@ be_issuffix( } int -be_isroot( Backend *be, struct berval *ndn ) +be_isroot_dn( Backend *be, struct berval *ndn ) { if ( !ndn->bv_len ) { return( 0 ); @@ -611,7 +728,13 @@ be_isroot( Backend *be, struct berval *ndn ) } int -be_isupdate( Backend *be, struct berval *ndn ) +be_isupdate( Operation *op ) +{ + return be_isupdate_dn( op->o_bd, &op->o_ndn ); +} + +int +be_isupdate_dn( Backend *be, struct berval *ndn ) { if ( !ndn->bv_len ) { return( 0 ); @@ -631,29 +754,33 @@ be_root_dn( Backend *be ) } int -be_isroot_pw( Backend *be, - Connection *conn, - struct berval *ndn, - struct berval *cred ) +be_isroot( Operation *op ) +{ + return be_isroot_dn( op->o_bd, &op->o_ndn ); +} + +int +be_isroot_pw( Operation *op ) { int result; + char *errmsg; - if ( ! be_isroot( be, ndn ) ) { + if ( ! be_isroot_dn( op->o_bd, &op->o_req_ndn ) ) { return 0; } - if( be->be_rootpw.bv_len == 0 ) { + if( op->o_bd->be_rootpw.bv_len == 0 ) { return 0; } #if defined( SLAPD_CRYPT ) || defined( SLAPD_SPASSWD ) ldap_pvt_thread_mutex_lock( &passwd_mutex ); #ifdef SLAPD_SPASSWD - lutil_passwd_sasl_conn = conn->c_sasl_context; + lutil_passwd_sasl_conn = op->o_conn->c_sasl_authctx; #endif #endif - result = lutil_passwd( &be->be_rootpw, cred, NULL ); + result = lutil_passwd( &op->o_bd->be_rootpw, &op->orb_cred, NULL, NULL ); #if defined( SLAPD_CRYPT ) || defined( SLAPD_SPASSWD ) #ifdef SLAPD_SPASSWD @@ -667,15 +794,13 @@ be_isroot_pw( Backend *be, int be_entry_release_rw( - BackendDB *be, - Connection *conn, Operation *op, Entry *e, int rw ) { - if ( be->be_release ) { + if ( op->o_bd->be_release ) { /* free and release entry from backend */ - return be->be_release( be, conn, op, e, rw ); + return op->o_bd->be_release( op, e, rw ); } else { /* free entry */ entry_free( e ); @@ -684,48 +809,43 @@ be_entry_release_rw( } int -backend_unbind( - Connection *conn, - Operation *op -) +backend_unbind( Operation *op, SlapReply *rs ) { int i; -#if defined( LDAP_SLAPI ) - Slapi_PBlock *pb = op->o_pb; - - int rc; - slapi_x_connection_set_pb( pb, conn ); - slapi_x_operation_set_pb( pb, op ); -#endif /* defined( LDAP_SLAPI ) */ for ( i = 0; i < nbackends; i++ ) { #if defined( LDAP_SLAPI ) - slapi_pblock_set( pb, SLAPI_BACKEND, (void *)&backends[i] ); - rc = doPluginFNs( &backends[i], SLAPI_PLUGIN_PRE_UNBIND_FN, - (Slapi_PBlock *)pb ); - if ( rc != 0 ) { - /* - * A preoperation plugin failure will abort the - * entire operation. - */ + if ( op->o_pb ) { + int rc; + if ( i == 0 ) slapi_int_pblock_set_operation( op->o_pb, op ); + slapi_pblock_set( op->o_pb, SLAPI_BACKEND, (void *)&backends[i] ); + rc = slapi_int_call_plugins( &backends[i], SLAPI_PLUGIN_PRE_UNBIND_FN, + (Slapi_PBlock *)op->o_pb ); + if ( rc < 0 ) { + /* + * A preoperation plugin failure will abort the + * entire operation. + */ #ifdef NEW_LOGGING - LDAP_LOG( OPERATION, INFO, "do_bind: Unbind preoperation plugin " - "failed\n", 0, 0, 0); + LDAP_LOG( OPERATION, INFO, "do_bind: Unbind preoperation plugin " + "failed\n", 0, 0, 0); #else - Debug(LDAP_DEBUG_TRACE, "do_bind: Unbind preoperation plugin " - "failed.\n", 0, 0, 0); + Debug(LDAP_DEBUG_TRACE, "do_bind: Unbind preoperation plugin " + "failed.\n", 0, 0, 0); #endif - return 0; + return 0; + } } #endif /* defined( LDAP_SLAPI ) */ if ( backends[i].be_unbind ) { - (*backends[i].be_unbind)( &backends[i], conn, op ); + op->o_bd = &backends[i]; + (*backends[i].be_unbind)( op, rs ); } #if defined( LDAP_SLAPI ) - if ( doPluginFNs( &backends[i], SLAPI_PLUGIN_POST_UNBIND_FN, - (Slapi_PBlock *)pb ) != 0 ) { + if ( op->o_pb != NULL && slapi_int_call_plugins( &backends[i], SLAPI_PLUGIN_POST_UNBIND_FN, + (Slapi_PBlock *)op->o_pb ) < 0 ) { #ifdef NEW_LOGGING LDAP_LOG( OPERATION, INFO, "do_unbind: Unbind postoperation plugins " "failed\n", 0, 0, 0); @@ -774,36 +894,33 @@ backend_connection_destroy( static int backend_check_controls( - Backend *be, - Connection *conn, Operation *op, - const char **text ) + SlapReply *rs ) { LDAPControl **ctrls = op->o_ctrls; + rs->sr_err = LDAP_SUCCESS; - if( ctrls == NULL ) return LDAP_SUCCESS; - - for( ; *ctrls != NULL ; ctrls++ ) { - if( (*ctrls)->ldctl_iscritical && - !ldap_charray_inlist( be->be_controls, (*ctrls)->ldctl_oid ) ) - { - *text = "control unavailable in context"; - return LDAP_UNAVAILABLE_CRITICAL_EXTENSION; + if( ctrls ) { + for( ; *ctrls != NULL ; ctrls++ ) { + if( (*ctrls)->ldctl_iscritical && !ldap_charray_inlist( + op->o_bd->be_controls, (*ctrls)->ldctl_oid ) ) + { + rs->sr_text = "control unavailable in context"; + rs->sr_err = LDAP_UNAVAILABLE_CRITICAL_EXTENSION; + break; + } } } - return LDAP_SUCCESS; + return rs->sr_err; } int backend_check_restrictions( - Backend *be, - Connection *conn, Operation *op, - struct berval *opdata, - const char **text ) + SlapReply *rs, + struct berval *opdata ) { - int rc; slap_mask_t restrictops; slap_mask_t requires; slap_mask_t opflag; @@ -812,16 +929,14 @@ backend_check_restrictions( int starttls = 0; int session = 0; - if( be ) { - rc = backend_check_controls( be, conn, op, text ); - - if( rc != LDAP_SUCCESS ) { - return rc; + if( op->o_bd ) { + if ( backend_check_controls( op, rs ) != LDAP_SUCCESS ) { + return rs->sr_err; } - restrictops = be->be_restrictops; - requires = be->be_requires; - ssf = &be->be_ssf_set; + restrictops = op->o_bd->be_restrictops; + requires = op->o_bd->be_requires; + ssf = &op->o_bd->be_ssf_set; } else { restrictops = global_restrictops; @@ -855,27 +970,19 @@ backend_check_restrictions( break; } - { - if( bvmatch( opdata, &slap_EXOP_START_TLS ) ) { - session++; - starttls++; - break; - } + if( bvmatch( opdata, &slap_EXOP_START_TLS ) ) { + session++; + starttls++; + break; } - { - if( bvmatch( opdata, &slap_EXOP_WHOAMI ) ) { - break; - } + if( bvmatch( opdata, &slap_EXOP_WHOAMI ) ) { + break; } -#ifdef LDAP_EXOP_X_CANCEL - { - if ( bvmatch( opdata, &slap_EXOP_CANCEL ) ) { - break; - } + if ( bvmatch( opdata, &slap_EXOP_CANCEL ) ) { + break; } -#endif /* treat everything else as a modify */ opflag = SLAP_RESTRICT_OP_MODIFY; @@ -898,29 +1005,31 @@ backend_check_restrictions( opflag = 0; break; default: - *text = "restrict operations internal error"; - return LDAP_OTHER; + rs->sr_text = "restrict operations internal error"; + rs->sr_err = LDAP_OTHER; + return rs->sr_err; } if ( !starttls ) { /* these checks don't apply to StartTLS */ + rs->sr_err = LDAP_CONFIDENTIALITY_REQUIRED; if( op->o_transport_ssf < ssf->sss_transport ) { - *text = "transport confidentiality required"; - return LDAP_CONFIDENTIALITY_REQUIRED; + rs->sr_text = "transport confidentiality required"; + return rs->sr_err; } if( op->o_tls_ssf < ssf->sss_tls ) { - *text = "TLS confidentiality required"; - return LDAP_CONFIDENTIALITY_REQUIRED; + rs->sr_text = "TLS confidentiality required"; + return rs->sr_err; } if( op->o_tag == LDAP_REQ_BIND && opdata == NULL ) { /* simple bind specific check */ if( op->o_ssf < ssf->sss_simple_bind ) { - *text = "confidentiality required"; - return LDAP_CONFIDENTIALITY_REQUIRED; + rs->sr_text = "confidentiality required"; + return rs->sr_err; } } @@ -928,49 +1037,51 @@ backend_check_restrictions( /* these checks don't apply to SASL bind */ if( op->o_sasl_ssf < ssf->sss_sasl ) { - *text = "SASL confidentiality required"; - return LDAP_CONFIDENTIALITY_REQUIRED; + rs->sr_text = "SASL confidentiality required"; + return rs->sr_err; } if( op->o_ssf < ssf->sss_ssf ) { - *text = "confidentiality required"; - return LDAP_CONFIDENTIALITY_REQUIRED; + rs->sr_text = "confidentiality required"; + return rs->sr_err; } } if( updateop ) { if( op->o_transport_ssf < ssf->sss_update_transport ) { - *text = "transport update confidentiality required"; - return LDAP_CONFIDENTIALITY_REQUIRED; + rs->sr_text = "transport update confidentiality required"; + return rs->sr_err; } if( op->o_tls_ssf < ssf->sss_update_tls ) { - *text = "TLS update confidentiality required"; - return LDAP_CONFIDENTIALITY_REQUIRED; + rs->sr_text = "TLS update confidentiality required"; + return rs->sr_err; } if( op->o_sasl_ssf < ssf->sss_update_sasl ) { - *text = "SASL update confidentiality required"; - return LDAP_CONFIDENTIALITY_REQUIRED; + rs->sr_text = "SASL update confidentiality required"; + return rs->sr_err; } if( op->o_ssf < ssf->sss_update_ssf ) { - *text = "update confidentiality required"; - return LDAP_CONFIDENTIALITY_REQUIRED; + rs->sr_text = "update confidentiality required"; + return rs->sr_err; } if( !( global_allows & SLAP_ALLOW_UPDATE_ANON ) && op->o_ndn.bv_len == 0 ) { - *text = "modifications require authentication"; - return LDAP_STRONG_AUTH_REQUIRED; + rs->sr_text = "modifications require authentication"; + rs->sr_err = LDAP_STRONG_AUTH_REQUIRED; + return rs->sr_err; } #ifdef SLAP_X_LISTENER_MOD - if ( ! ( conn->c_listener->sl_perms & S_IWUSR ) ) { + if ( op->o_conn->c_listener && ! ( op->o_conn->c_listener->sl_perms & ( op->o_ndn.bv_len > 0 ? S_IWUSR : S_IWOTH ) ) ) { /* no "w" mode means readonly */ - *text = "modifications not allowed on this listener"; - return LDAP_UNWILLING_TO_PERFORM; + rs->sr_text = "modifications not allowed on this listener"; + rs->sr_err = LDAP_UNWILLING_TO_PERFORM; + return rs->sr_err; } #endif /* SLAP_X_LISTENER_MOD */ } @@ -982,62 +1093,70 @@ backend_check_restrictions( if( requires & SLAP_REQUIRE_STRONG ) { /* should check mechanism */ if( ( op->o_transport_ssf < ssf->sss_transport - && op->o_authmech.bv_len == 0 ) || op->o_dn.bv_len == 0 ) + && op->o_authtype == LDAP_AUTH_SIMPLE ) + || op->o_dn.bv_len == 0 ) { - *text = "strong authentication required"; - return LDAP_STRONG_AUTH_REQUIRED; + rs->sr_text = "strong(er) authentication required"; + rs->sr_err = LDAP_STRONG_AUTH_REQUIRED; + return rs->sr_err; } } if( requires & SLAP_REQUIRE_SASL ) { - if( op->o_authmech.bv_len == 0 || op->o_dn.bv_len == 0 ) { - *text = "SASL authentication required"; - return LDAP_STRONG_AUTH_REQUIRED; + if( op->o_authtype != LDAP_AUTH_SASL || op->o_dn.bv_len == 0 ) { + rs->sr_text = "SASL authentication required"; + rs->sr_err = LDAP_STRONG_AUTH_REQUIRED; + return rs->sr_err; } } if( requires & SLAP_REQUIRE_AUTHC ) { if( op->o_dn.bv_len == 0 ) { - *text = "authentication required"; - return LDAP_UNWILLING_TO_PERFORM; + rs->sr_text = "authentication required"; + rs->sr_err = LDAP_UNWILLING_TO_PERFORM; + return rs->sr_err; } } if( requires & SLAP_REQUIRE_BIND ) { int version; - ldap_pvt_thread_mutex_lock( &conn->c_mutex ); - version = conn->c_protocol; - ldap_pvt_thread_mutex_unlock( &conn->c_mutex ); + ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex ); + version = op->o_conn->c_protocol; + ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex ); if( !version ) { /* no bind has occurred */ - *text = "BIND required"; - return LDAP_OPERATIONS_ERROR; + rs->sr_text = "BIND required"; + rs->sr_err = LDAP_OPERATIONS_ERROR; + return rs->sr_err; } } if( requires & SLAP_REQUIRE_LDAP_V3 ) { if( op->o_protocol < LDAP_VERSION3 ) { /* no bind has occurred */ - *text = "operation restricted to LDAPv3 clients"; - return LDAP_OPERATIONS_ERROR; + rs->sr_text = "operation restricted to LDAPv3 clients"; + rs->sr_err = LDAP_OPERATIONS_ERROR; + return rs->sr_err; } } #ifdef SLAP_X_LISTENER_MOD if ( !starttls && op->o_dn.bv_len == 0 ) { - if ( ! ( conn->c_listener->sl_perms & S_IXUSR ) ) { + if ( op->o_conn->c_listener && ! ( op->o_conn->c_listener->sl_perms & S_IXOTH ) ) { /* no "x" mode means bind required */ - *text = "bind required on this listener"; - return LDAP_STRONG_AUTH_REQUIRED; + rs->sr_text = "bind required on this listener"; + rs->sr_err = LDAP_STRONG_AUTH_REQUIRED; + return rs->sr_err; } } if ( !starttls && !updateop ) { - if ( ! ( conn->c_listener->sl_perms & S_IRUSR ) ) { + if ( op->o_conn->c_listener && ! ( op->o_conn->c_listener->sl_perms & ( op->o_dn.bv_len > 0 ? S_IRUSR : S_IROTH ) ) ) { /* no "r" mode means no read */ - *text = "read not allowed on this listener"; - return LDAP_UNWILLING_TO_PERFORM; + rs->sr_text = "read not allowed on this listener"; + rs->sr_err = LDAP_UNWILLING_TO_PERFORM; + return rs->sr_err; } } #endif /* SLAP_X_LISTENER_MOD */ @@ -1046,44 +1165,59 @@ backend_check_restrictions( if( restrictops & opflag ) { if( restrictops == SLAP_RESTRICT_OP_READS ) { - *text = "read operations restricted"; + rs->sr_text = "read operations restricted"; } else { - *text = "operation restricted"; + rs->sr_text = "operation restricted"; } - return LDAP_UNWILLING_TO_PERFORM; + rs->sr_err = LDAP_UNWILLING_TO_PERFORM; + return rs->sr_err; } - return LDAP_SUCCESS; + rs->sr_err = LDAP_SUCCESS; + return rs->sr_err; } -int backend_check_referrals( - Backend *be, - Connection *conn, - Operation *op, - struct berval *dn, - struct berval *ndn ) +int backend_check_referrals( Operation *op, SlapReply *rs ) { - int rc = LDAP_SUCCESS; - - if( be->be_chk_referrals ) { - const char *text; + rs->sr_err = LDAP_SUCCESS; - rc = be->be_chk_referrals( be, - conn, op, dn, ndn, &text ); + if( op->o_bd->be_chk_referrals ) { + rs->sr_err = op->o_bd->be_chk_referrals( op, rs ); - if( rc != LDAP_SUCCESS && rc != LDAP_REFERRAL ) { - send_ldap_result( conn, op, rc, - NULL, text, NULL, NULL ); + if( rs->sr_err != LDAP_SUCCESS && rs->sr_err != LDAP_REFERRAL ) { + send_ldap_result( op, rs ); } } + return rs->sr_err; +} + +int +be_entry_get_rw( + Operation *op, + struct berval *ndn, + ObjectClass *oc, + AttributeDescription *at, + int rw, + Entry **e ) +{ + int rc; + + *e = NULL; + + if (op->o_bd == NULL) { + rc = LDAP_NO_SUCH_OBJECT; + } else if ( op->o_bd->be_fetch ) { + rc = ( op->o_bd->be_fetch )( op, ndn, + oc, at, rw, e ); + } else { + rc = LDAP_UNWILLING_TO_PERFORM; + } return rc; } int backend_group( - Backend *be, - Connection *conn, Operation *op, Entry *target, struct berval *gr_ndn, @@ -1092,65 +1226,144 @@ backend_group( AttributeDescription *group_at ) { + Entry *e; + Attribute *a; + int rc; GroupAssertion *g; + Backend *be = op->o_bd; if ( op->o_abandon ) return SLAPD_ABANDON; - if ( !dn_match( &target->e_nname, gr_ndn ) ) { - /* we won't attempt to send it to a different backend */ - - be = select_backend( gr_ndn, 0, 0 ); + op->o_bd = select_backend( gr_ndn, 0, 0 ); - if (be == NULL) { - return LDAP_NO_SUCH_OBJECT; - } - } - - ldap_pvt_thread_mutex_lock( &conn->c_mutex ); - - for (g = conn->c_groups; g; g=g->ga_next) { - if (g->ga_be != be || g->ga_oc != group_oc || + for (g = op->o_groups; g; g=g->ga_next) { + if (g->ga_be != op->o_bd || g->ga_oc != group_oc || g->ga_at != group_at || g->ga_len != gr_ndn->bv_len) continue; if (strcmp( g->ga_ndn, gr_ndn->bv_val ) == 0) break; } - ldap_pvt_thread_mutex_unlock( &conn->c_mutex ); - if (g) { - return g->ga_res; + rc = g->ga_res; + goto done; } - if( be->be_group ) { - int res = be->be_group( be, conn, op, - target, gr_ndn, op_ndn, - group_oc, group_at ); - - if ( op->o_tag != LDAP_REQ_BIND && !op->o_do_not_cache ) { - g = ch_malloc(sizeof(GroupAssertion) + gr_ndn->bv_len); - g->ga_be = be; - g->ga_oc = group_oc; - g->ga_at = group_at; - g->ga_res = res; - g->ga_len = gr_ndn->bv_len; - strcpy(g->ga_ndn, gr_ndn->bv_val); - ldap_pvt_thread_mutex_lock( &conn->c_mutex ); - g->ga_next = conn->c_groups; - conn->c_groups = g; - ldap_pvt_thread_mutex_unlock( &conn->c_mutex ); + if ( target && dn_match( &target->e_nname, gr_ndn ) ) { + e = target; + rc = 0; + } else { + rc = be_entry_get_rw(op, gr_ndn, group_oc, group_at, 0, &e ); + } + if ( e ) { + a = attr_find( e->e_attrs, group_at ); + if ( a ) { + /* If the attribute is a subtype of labeledURI, treat this as + * a dynamic group ala groupOfURLs + */ + if (is_at_subtype( group_at->ad_type, slap_schema.si_ad_labeledURI->ad_type ) ) { + int i; + LDAPURLDesc *ludp; + struct berval bv, nbase; + Filter *filter; + Entry *user; + Backend *b2 = op->o_bd; + + if ( target && dn_match( &target->e_nname, op_ndn ) ) { + user = target; + } else { + op->o_bd = select_backend( op_ndn, 0, 0 ); + rc = be_entry_get_rw(op, op_ndn, NULL, NULL, 0, &user ); + } + + if ( rc == 0 ) { + rc = 1; + for (i=0; a->a_vals[i].bv_val; i++) { + if ( ldap_url_parse( a->a_vals[i].bv_val, &ludp ) != LDAP_SUCCESS ) + continue; + nbase.bv_val = NULL; + /* host part must be empty */ + /* attrs and extensions parts must be empty */ + if (( ludp->lud_host && *ludp->lud_host ) + || ludp->lud_attrs || ludp->lud_exts ) + goto loopit; + ber_str2bv( ludp->lud_dn, 0, 0, &bv ); + if ( dnNormalize( 0, NULL, NULL, &bv, &nbase, op->o_tmpmemctx ) != LDAP_SUCCESS ) + goto loopit; + switch(ludp->lud_scope) { + case LDAP_SCOPE_BASE: + if ( !dn_match( &nbase, op_ndn )) goto loopit; + break; + case LDAP_SCOPE_ONELEVEL: + dnParent(op_ndn, &bv ); + if ( !dn_match( &nbase, &bv )) goto loopit; + break; + case LDAP_SCOPE_SUBTREE: + if ( !dnIsSuffix( op_ndn, &nbase )) goto loopit; + break; +#ifdef LDAP_SCOPE_SUBORDINATE + case LDAP_SCOPE_SUBORDINATE: + if ( dn_match( &nbase, op_ndn ) && + !dnIsSuffix(op_ndn, &nbase )) + { + goto loopit; + } +#endif + } + filter = str2filter_x( op, ludp->lud_filter ); + if ( filter ) { + if ( test_filter( NULL, user, filter ) == LDAP_COMPARE_TRUE ) + { + rc = 0; + } + filter_free_x( op, filter ); + } + loopit: + ldap_free_urldesc( ludp ); + if ( nbase.bv_val ) { + op->o_tmpfree( nbase.bv_val, op->o_tmpmemctx ); + } + if ( rc == 0 ) break; + } + if ( user != target ) { + be_entry_release_r( op, user ); + } + } + op->o_bd = b2; + } else { + rc = value_find_ex( group_at, + SLAP_MR_ATTRIBUTE_VALUE_NORMALIZED_MATCH | + SLAP_MR_ASSERTED_VALUE_NORMALIZED_MATCH, + a->a_nvals, op_ndn, op->o_tmpmemctx ); + } + } else { + rc = LDAP_NO_SUCH_ATTRIBUTE; } - - return res; + if (e != target ) { + be_entry_release_r( op, e ); + } + } else { + rc = LDAP_NO_SUCH_OBJECT; } - return LDAP_UNWILLING_TO_PERFORM; + if ( op->o_tag != LDAP_REQ_BIND && !op->o_do_not_cache ) { + g = op->o_tmpalloc(sizeof(GroupAssertion) + gr_ndn->bv_len, op->o_tmpmemctx); + g->ga_be = op->o_bd; + g->ga_oc = group_oc; + g->ga_at = group_at; + g->ga_res = rc; + g->ga_len = gr_ndn->bv_len; + strcpy(g->ga_ndn, gr_ndn->bv_val); + g->ga_next = op->o_groups; + op->o_groups = g; + } +done: + op->o_bd = be; + return rc; } int backend_attribute( - Backend *be, - Connection *conn, Operation *op, Entry *target, struct berval *edn, @@ -1158,30 +1371,69 @@ backend_attribute( BerVarray *vals ) { - if ( target == NULL || !dn_match( &target->e_nname, edn ) ) { - /* we won't attempt to send it to a different backend */ - - be = select_backend( edn, 0, 0 ); + Entry *e; + Attribute *a; + int i, j, rc = LDAP_SUCCESS; + AccessControlState acl_state = ACL_STATE_INIT; + Backend *be = op->o_bd; - if (be == NULL) { - return LDAP_NO_SUCH_OBJECT; - } + op->o_bd = select_backend( edn, 0, 0 ); + + if ( target && dn_match( &target->e_nname, edn ) ) { + e = target; + } else { + rc = be_entry_get_rw(op, edn, NULL, entry_at, 0, &e ); } - if( be->be_attribute ) { - return be->be_attribute( be, conn, op, target, edn, - entry_at, vals ); + if ( e ) { + a = attr_find( e->e_attrs, entry_at ); + if ( a ) { + BerVarray v; + + if ( op->o_conn && access_allowed( op, + e, entry_at, NULL, ACL_AUTH, + &acl_state ) == 0 ) { + rc = LDAP_INSUFFICIENT_ACCESS; + goto freeit; + } + + for ( i=0; a->a_vals[i].bv_val; i++ ) ; + + v = op->o_tmpalloc( sizeof(struct berval) * (i+1), op->o_tmpmemctx ); + for ( i=0,j=0; a->a_vals[i].bv_val; i++ ) { + if ( op->o_conn && access_allowed( op, + e, entry_at, + &a->a_nvals[i], + ACL_AUTH, &acl_state ) == 0 ) { + continue; + } + ber_dupbv_x( &v[j], + &a->a_nvals[i], op->o_tmpmemctx ); + if (v[j].bv_val ) j++; + } + if (j == 0) { + op->o_tmpfree( v, op->o_tmpmemctx ); + *vals = NULL; + rc = LDAP_INSUFFICIENT_ACCESS; + } else { + v[j].bv_val = NULL; + v[j].bv_len = 0; + *vals = v; + rc = LDAP_SUCCESS; + } + } +freeit: if (e != target ) { + be_entry_release_r( op, e ); + } } - return LDAP_UNWILLING_TO_PERFORM; + op->o_bd = be; + return rc; } Attribute *backend_operational( - Backend *be, - Connection *conn, Operation *op, - Entry *e, - AttributeName *attrs, + SlapReply *rs, int opattrs ) { Attribute *a = NULL, **ap = &a; @@ -1191,14 +1443,14 @@ Attribute *backend_operational( * and the backend supports specific operational attributes, * add them to the attribute list */ - if ( opattrs || ( attrs && - ad_inlist( slap_schema.si_ad_subschemaSubentry, attrs )) ) { - *ap = slap_operational_subschemaSubentry( be ); + if ( opattrs || ( op->ors_attrs && + ad_inlist( slap_schema.si_ad_subschemaSubentry, op->ors_attrs )) ) { + *ap = slap_operational_subschemaSubentry( op->o_bd ); ap = &(*ap)->a_next; } - if ( ( opattrs || attrs ) && be && be->be_operational != NULL ) { - ( void )be->be_operational( be, conn, op, e, attrs, opattrs, ap ); + if ( ( opattrs || op->ors_attrs ) && op->o_bd && op->o_bd->be_operational != NULL ) { + ( void )op->o_bd->be_operational( op, rs, opattrs, ap ); } return a;