X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=servers%2Fslapd%2Fbackend.c;h=1ee3375a489d24f1882d3d2053740d47663f69e2;hb=102d8159a75a625c96e01e361784d75146d15e34;hp=5398d8e21ddcb7389382859308fe15530bada5f3;hpb=826056e75bab39d888cc14d6bf80905eca9eb20d;p=openldap diff --git a/servers/slapd/backend.c b/servers/slapd/backend.c index 5398d8e21d..1ee3375a48 100644 --- a/servers/slapd/backend.c +++ b/servers/slapd/backend.c @@ -1,6 +1,6 @@ /* $OpenLDAP$ */ /* - * Copyright 1998-2000 The OpenLDAP Foundation, All Rights Reserved. + * Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved. * COPYING RESTRICTIONS APPLY, see COPYRIGHT file */ /* backend.c - routines for dealing with back-end databases */ @@ -12,11 +12,17 @@ #include #include - #include #include "slap.h" #include "lutil.h" +#include "lber_pvt.h" + +#include "ldap_rq.h" + +#ifdef LDAP_SLAPI +#include "slapi.h" +#endif /* * If a module is configured as dynamic, its header should not @@ -32,6 +38,9 @@ #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 @@ -44,6 +53,9 @@ #if defined(SLAPD_MONITOR) && !defined(SLAPD_MONITOR_DYNAMIC) #include "back-monitor/external.h" #endif +#if defined(SLAPD_NULL) && !defined(SLAPD_NULL_DYNAMIC) +#include "back-null/external.h" +#endif #if defined(SLAPD_PASSWD) && !defined(SLAPD_PASSWD_DYNAMIC) #include "back-passwd/external.h" #endif @@ -70,6 +82,9 @@ 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 @@ -82,6 +97,9 @@ static BackendInfo binfo[] = { #if defined(SLAPD_MONITOR) && !defined(SLAPD_MONITOR_DYNAMIC) {"monitor", monitor_back_initialize}, #endif +#if defined(SLAPD_NULL) && !defined(SLAPD_NULL_DYNAMIC) + {"null", null_back_initialize}, +#endif #if defined(SLAPD_PASSWD) && !defined(SLAPD_PASSWD_DYNAMIC) {"passwd", passwd_back_initialize}, #endif @@ -110,15 +128,20 @@ 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 - LDAP_LOG(( "backend", LDAP_LEVEL_ERR, - "backend_init: backend already initialized\n" )); + LDAP_LOG( BACKEND, ERR, + "backend_init: backend already initialized\n", 0, 0, 0 ); #else Debug( LDAP_DEBUG_ANY, "backend_init: already initialized.\n", 0, 0, 0 ); @@ -134,9 +157,9 @@ int backend_init(void) if(rc != 0) { #ifdef NEW_LOGGING - LDAP_LOG(( "backend", LDAP_LEVEL_INFO, + LDAP_LOG( BACKEND, INFO, "backend_init: initialized for type \"%s\"\n", - binfo[nBackendInfo].bi_type )); + binfo[nBackendInfo].bi_type, 0, 0 ); #else Debug( LDAP_DEBUG_ANY, "backend_init: initialized for type \"%s\"\n", @@ -166,8 +189,7 @@ int backend_init(void) #else #ifdef NEW_LOGGING - LDAP_LOG(( "backend", LDAP_LEVEL_ERR, - "backend_init: failed\n" )); + LDAP_LOG( BACKEND, ERR, "backend_init: failed\n", 0, 0, 0 ); #else Debug( LDAP_DEBUG_ANY, "backend_init: failed\n", @@ -184,9 +206,9 @@ int backend_add(BackendInfo *aBackendInfo) if ((rc = aBackendInfo->bi_init(aBackendInfo)) != 0) { #ifdef NEW_LOGGING - LDAP_LOG(( "backend", LDAP_LEVEL_ERR, + LDAP_LOG( BACKEND, ERR, "backend_add: initialization for type \"%s\" failed\n", - aBackendInfo->bi_type )); + aBackendInfo->bi_type, 0, 0 ); #else Debug( LDAP_DEBUG_ANY, "backend_add: initialization for type \"%s\" failed\n", @@ -225,9 +247,8 @@ int backend_startup(Backend *be) if( ! ( nBackendDB > 0 ) ) { /* no databases */ #ifdef NEW_LOGGING - LDAP_LOG(( "backend", LDAP_LEVEL_INFO, - "backend_startup: %d databases to startup. \n", - nBackendDB )); + LDAP_LOG( BACKEND, INFO, + "backend_startup: %d databases to startup. \n", nBackendDB, 0, 0 ); #else Debug( LDAP_DEBUG_ANY, "backend_startup: %d databases to startup.\n", @@ -238,47 +259,46 @@ 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", LDAP_LEVEL_DETAIL1, - "backend_startup: starting \"%s\"\n", - be->be_suffix[0] )); + LDAP_LOG( BACKEND, DETAIL1, "backend_startup: starting \"%s\"\n", + be->be_suffix[0].bv_val, 0, 0 ); #else Debug( LDAP_DEBUG_TRACE, "backend_startup: starting \"%s\"\n", - be->be_suffix[0], 0, 0 ); + be->be_suffix[0].bv_val, 0, 0 ); #endif if ( be->bd_info->bi_open ) { rc = be->bd_info->bi_open( be->bd_info ); - } - - if(rc != 0) { + if ( rc != 0 ) { #ifdef NEW_LOGGING - LDAP_LOG(( "backend", LDAP_LEVEL_CRIT, - "backend_startup: bi_open failed!\n" )); + LDAP_LOG( BACKEND, CRIT, "backend_startup: bi_open failed!\n", 0, 0, 0 ); #else - Debug( LDAP_DEBUG_ANY, - "backend_startup: bi_open failed!\n", - 0, 0, 0 ); + Debug( LDAP_DEBUG_ANY, + "backend_startup: bi_open failed!\n", + 0, 0, 0 ); #endif - return rc; + return rc; + } } if ( be->bd_info->bi_db_open ) { rc = be->bd_info->bi_db_open( be ); - } - - if(rc != 0) { + if ( rc != 0 ) { #ifdef NEW_LOGGING - LDAP_LOG(( "backend", LDAP_LEVEL_CRIT, - "backend_startup: bi_db_open failed!\n" )); + LDAP_LOG( BACKEND, CRIT, + "backend_startup: bi_db_open failed! (%d)\n", rc, 0, 0 ); #else - Debug( LDAP_DEBUG_ANY, - "backend_startup: bi_db_open failed!\n", - 0, 0, 0 ); + Debug( LDAP_DEBUG_ANY, + "backend_startup: bi_db_open failed! (%d)\n", + rc, 0, 0 ); #endif - return rc; + return rc; + } } return rc; @@ -294,41 +314,73 @@ int backend_startup(Backend *be) if( backendInfo[i].bi_open ) { rc = backendInfo[i].bi_open( &backendInfo[i] ); - } - - if(rc != 0) { + if ( rc != 0 ) { #ifdef NEW_LOGGING - LDAP_LOG(( "backend", LDAP_LEVEL_CRIT, - "backend_startup: bi_open %d failed!\n", i )); + LDAP_LOG( BACKEND, CRIT, + "backend_startup: bi_open %d failed!\n", i, 0, 0 ); #else - Debug( LDAP_DEBUG_ANY, - "backend_startup: bi_open %d failed!\n", - i, 0, 0 ); + Debug( LDAP_DEBUG_ANY, + "backend_startup: bi_open %d failed!\n", + i, 0, 0 ); #endif - return rc; + return rc; + } } } + 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++ ) { + if ( backendDB[i].be_update_ndn.bv_val && ( + !backendDB[i].be_update_refs && + !backendDB[i].be_syncinfo && + !default_referral ) ) + { +#ifdef NEW_LOGGING + LDAP_LOG( BACKEND, CRIT, + "backend_startup: slave \"%s\" updateref missing\n", + backendDB[i].be_suffix[0].bv_val, 0, 0 ); + +#else + Debug( LDAP_DEBUG_ANY, + "backend_startup: slave \"%s\" updateref missing\n", + backendDB[i].be_suffix[0].bv_val, 0, 0 ); +#endif + return -1; + } + /* append global access controls */ acl_append( &backendDB[i].be_acl, global_acl ); + LDAP_TAILQ_INIT( &backendDB[i].be_pending_csn_list ); + if ( backendDB[i].bd_info->bi_db_open ) { rc = backendDB[i].bd_info->bi_db_open( &backendDB[i] ); - } - - if(rc != 0) { + if ( rc != 0 ) { #ifdef NEW_LOGGING - LDAP_LOG(( "backend", LDAP_LEVEL_CRIT, - "backend_startup: bi_db_open %d failed!\n", i )); + LDAP_LOG( BACKEND, CRIT, + "backend_startup: bi_db_open(%d) failed! (%d)\n", i, rc, 0 ); #else - Debug( LDAP_DEBUG_ANY, - "backend_startup: bi_db_open %d failed!\n", - i, 0, 0 ); + Debug( LDAP_DEBUG_ANY, + "backend_startup: bi_db_open(%d) failed! (%d)\n", + i, rc, 0 ); #endif - return rc; + return rc; + } + } + + if ( backendDB[i].be_syncinfo != NULL ) { + syncinfo_t *si = ( syncinfo_t * ) backendDB[i].be_syncinfo; + 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 *) backendDB[i].be_syncinfo ); + ldap_pvt_thread_mutex_unlock( &syncrepl_rq.rq_mutex ); } } @@ -380,9 +432,9 @@ int backend_shutdown( Backend *be ) if(rc != 0) { #ifdef NEW_LOGGING - LDAP_LOG(( "backend", LDAP_LEVEL_NOTICE, - "backend_shutdown: bi_close %s failed!\n", - backendDB[i].be_type )); + LDAP_LOG( BACKEND, NOTICE, + "backend_shutdown: bi_close %s failed!\n", + backendDB[i].be_type, 0, 0 ); #else Debug( LDAP_DEBUG_ANY, "backend_close: bi_close %s failed!\n", @@ -410,18 +462,21 @@ int backend_shutdown( Backend *be ) int backend_destroy(void) { int i; + BackendDB *bd; + + ldap_pvt_thread_pool_destroy( &syncrepl_pool, 1 ); /* destroy each backend database */ - for( i = 0; i < nBackendDB; i++ ) { - if ( backendDB[i].bd_info->bi_db_destroy ) { - backendDB[i].bd_info->bi_db_destroy( - &backendDB[i] ); + for( i = 0, bd = backendDB; i < nBackendDB; i++, bd++ ) { + if ( bd->bd_info->bi_db_destroy ) { + bd->bd_info->bi_db_destroy( bd ); } - charray_free( backendDB[i].be_suffix ); - ber_bvecfree( backendDB[i].be_nsuffix ); - free( backendDB[i].be_root_dn ); - free( backendDB[i].be_root_ndn ); - free( backendDB[i].be_root_pw.bv_val ); + ber_bvarray_free( bd->be_suffix ); + ber_bvarray_free( bd->be_nsuffix ); + if ( bd->be_rootdn.bv_val ) free( bd->be_rootdn.bv_val ); + if ( bd->be_rootndn.bv_val ) free( bd->be_rootndn.bv_val ); + if ( bd->be_rootpw.bv_val ) free( bd->be_rootpw.bv_val ); + acl_destroy( bd->be_acl, global_acl ); } free( backendDB ); @@ -488,6 +543,14 @@ backend_db_init( be->be_restrictops = global_restrictops; 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 ); + + be->be_syncinfo = NULL; /* assign a default depth limit for alias deref */ be->be_max_deref_depth = SLAPD_DEFAULT_MAXDEREFDEPTH; @@ -520,41 +583,49 @@ be_db_close( void ) Backend * select_backend( - const char * dn, + struct berval * dn, int manageDSAit, int noSubs ) { - int i, j, len, dnlen; + int i, j; + ber_len_t len, dnlen = dn->bv_len; Backend *be = NULL; - dnlen = strlen( dn ); for ( i = 0; i < nbackends; i++ ) { for ( j = 0; backends[i].be_nsuffix != NULL && - backends[i].be_nsuffix[j] != NULL; j++ ) + backends[i].be_nsuffix[j].bv_val != NULL; j++ ) { - if ((backends[i].be_glueflags&SLAP_GLUE_SUBORDINATE)&& - noSubs) + if ( ( SLAP_GLUE_SUBORDINATE( &backends[i] ) ) + && noSubs ) + { continue; + } - len = backends[i].be_nsuffix[j]->bv_len; + len = backends[i].be_nsuffix[j].bv_len; if ( len > dnlen ) { /* suffix is longer than DN */ continue; } - - if ( len && len < dnlen && ( !DN_SEPARATOR( dn[(dnlen-len)-1] ) || DN_ESCAPE( dn[(dnlen-len)-2] ) ) ) { - /* make sure we have a separator */ + /* + * input DN is normalized, so the separator check + * need not look at escaping + */ + if ( len && len < dnlen && + !DN_SEPARATOR( dn->bv_val[(dnlen-len)-1] )) + { continue; } - - if ( strcmp( backends[i].be_nsuffix[j]->bv_val, &dn[dnlen-len] ) == 0 ) { + if ( strcmp( backends[i].be_nsuffix[j].bv_val, + &dn->bv_val[dnlen-len] ) == 0 ) + { if( be == NULL ) { be = &backends[i]; - if( manageDSAit && len == dnlen ) { + if( manageDSAit && len == dnlen && + !SLAP_GLUE_SUBORDINATE( be ) ) { continue; } } else { @@ -571,17 +642,13 @@ select_backend( int be_issuffix( Backend *be, - const char *suffix + struct berval *bvsuffix ) { int i; - size_t len = strlen(suffix); - for ( i = 0; be->be_nsuffix != NULL && be->be_nsuffix[i] != NULL; i++ ) { - if ( len != be->be_nsuffix[i]->bv_len ) { - continue; - } - if ( strcmp( be->be_nsuffix[i]->bv_val, suffix ) == 0 ) { + for ( i = 0; be->be_nsuffix != NULL && be->be_nsuffix[i].bv_val != NULL; i++ ) { + if ( bvmatch( &be->be_nsuffix[i], bvsuffix ) ) { return( 1 ); } } @@ -590,75 +657,61 @@ be_issuffix( } int -be_isroot( Backend *be, const char *ndn ) +be_isroot( Backend *be, struct berval *ndn ) { - int rc; - - if ( ndn == NULL || *ndn == '\0' ) { + if ( !ndn->bv_len ) { return( 0 ); } - if ( be->be_root_ndn == NULL || *be->be_root_ndn == '\0' ) { + if ( !be->be_rootndn.bv_len ) { return( 0 ); } - rc = strcmp( be->be_root_ndn, ndn ) ? 0 : 1; - - return(rc); + return dn_match( &be->be_rootndn, ndn ); } int -be_isupdate( Backend *be, const char *ndn ) +be_isupdate( Backend *be, struct berval *ndn ) { - int rc; - - if ( ndn == NULL || *ndn == '\0' ) { + if ( !ndn->bv_len ) { return( 0 ); } - if ( be->be_update_ndn == NULL || *be->be_update_ndn == '\0' ) { + if ( !be->be_update_ndn.bv_len ) { return( 0 ); } - rc = strcmp( be->be_update_ndn, ndn ) ? 0 : 1; - - return(rc); + return dn_match( &be->be_update_ndn, ndn ); } -char * +struct berval * be_root_dn( Backend *be ) { - if ( be->be_root_dn == NULL ) { - return( "" ); - } - - return be->be_root_dn; + return &be->be_rootdn; } int -be_isroot_pw( Backend *be, - Connection *conn, - const char *ndn, - struct berval *cred ) +be_isroot_pw( Operation *op ) { int result; + char *errmsg; - if ( ! be_isroot( be, ndn ) ) { + if ( ! be_isroot( op->o_bd, &op->o_req_ndn ) ) { return 0; } - if( be->be_root_pw.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_root_pw, 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 @@ -672,15 +725,13 @@ 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 ); @@ -689,17 +740,54 @@ be_entry_release_rw( } int -backend_unbind( - Connection *conn, - Operation *op -) +backend_unbind( Operation *op, SlapReply *rs ) { - int i; + int i; +#if defined( LDAP_SLAPI ) + Slapi_PBlock *pb = op->o_pb; + + int rc; + slapi_x_pblock_set_operation( 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. + */ +#ifdef NEW_LOGGING + 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); +#endif + 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 ) { +#ifdef NEW_LOGGING + LDAP_LOG( OPERATION, INFO, "do_unbind: Unbind postoperation plugins " + "failed\n", 0, 0, 0); +#else + Debug(LDAP_DEBUG_TRACE, "do_unbind: Unbind postoperation plugins " + "failed.\n", 0, 0, 0); +#endif + } +#endif /* defined( LDAP_SLAPI ) */ } return 0; @@ -739,54 +827,49 @@ backend_connection_destroy( static int backend_check_controls( - Backend *be, - Connection *conn, Operation *op, - const char **text ) + SlapReply *rs ) { - LDAPControl **ctrls; - ctrls = op->o_ctrls; - if( ctrls == NULL ) { - return LDAP_SUCCESS; - } + LDAPControl **ctrls = op->o_ctrls; + rs->sr_err = LDAP_SUCCESS; - for( ; *ctrls != NULL ; ctrls++ ) { - if( (*ctrls)->ldctl_iscritical && - !charray_inlist( be->be_controls, (*ctrls)->ldctl_oid ) ) - { - *text = "control unavailable in NamingContext"; - 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, - const void *opdata, - const char **text ) + SlapReply *rs, + struct berval *opdata ) { - int rc; slap_mask_t restrictops; slap_mask_t requires; slap_mask_t opflag; slap_ssf_set_t *ssf; int updateop = 0; + 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; @@ -801,6 +884,7 @@ backend_check_restrictions( break; case LDAP_REQ_BIND: opflag = SLAP_RESTRICT_OP_BIND; + session++; break; case LDAP_REQ_COMPARE: opflag = SLAP_RESTRICT_OP_COMPARE; @@ -811,7 +895,41 @@ backend_check_restrictions( break; case LDAP_REQ_EXTENDED: opflag = SLAP_RESTRICT_OP_EXTENDED; + + if( !opdata ) { + /* treat unspecified as a modify */ + opflag = SLAP_RESTRICT_OP_MODIFY; + updateop++; + break; + } + + { + if( bvmatch( opdata, &slap_EXOP_START_TLS ) ) { + session++; + starttls++; + break; + } + } + + { + if( bvmatch( opdata, &slap_EXOP_WHOAMI ) ) { + break; + } + } + +#ifdef LDAP_EXOP_X_CANCEL + { + if ( bvmatch( opdata, &slap_EXOP_CANCEL ) ) { + break; + } + } +#endif + + /* treat everything else as a modify */ + opflag = SLAP_RESTRICT_OP_MODIFY; + updateop++; break; + case LDAP_REQ_MODIFY: updateop++; opflag = SLAP_RESTRICT_OP_MODIFY; @@ -824,283 +942,449 @@ backend_check_restrictions( opflag = SLAP_RESTRICT_OP_SEARCH; break; case LDAP_REQ_UNBIND: + session++; 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 ( op->o_tag != LDAP_REQ_EXTENDED - || strcmp( (const char *) opdata, LDAP_EXOP_START_TLS ) ) - { + if ( !starttls ) { /* these checks don't apply to StartTLS */ - if( op->o_tag == LDAP_REQ_EXTENDED ) { - /* threat other extended operations as update ops */ - updateop++; - } - + 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 ) { + rs->sr_text = "confidentiality required"; + return rs->sr_err; + } } if( op->o_tag != LDAP_REQ_BIND || opdata == NULL ) { /* 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 ) + { + rs->sr_text = "modifications require authentication"; + rs->sr_err = LDAP_STRONG_AUTH_REQUIRED; + return rs->sr_err; } - if( op->o_ndn == NULL ) { - *text = "modifications require authentication"; - return LDAP_OPERATIONS_ERROR; +#ifdef SLAP_X_LISTENER_MOD + 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 */ + 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 */ } } - if ( op->o_tag != LDAP_REQ_BIND && ( op->o_tag != LDAP_REQ_EXTENDED || - strcmp( (const char *) opdata, LDAP_EXOP_START_TLS ) ) ) - { - /* these checks don't apply to Bind or StartTLS */ + if ( !session ) { + /* these checks don't apply to Bind, StartTLS, or Unbind */ if( requires & SLAP_REQUIRE_STRONG ) { /* should check mechanism */ - if( op->o_authmech == NULL || - op->o_dn == NULL || *op->o_dn == '\0' ) + if( ( op->o_transport_ssf < ssf->sss_transport + && op->o_authmech.bv_len == 0 ) || op->o_dn.bv_len == 0 ) { - *text = "strong authentication required"; - return LDAP_STRONG_AUTH_REQUIRED; + rs->sr_text = "strong authentication required"; + rs->sr_err = LDAP_STRONG_AUTH_REQUIRED; + return rs->sr_err; } } if( requires & SLAP_REQUIRE_SASL ) { - if( op->o_authmech == NULL || - op->o_dn == NULL || *op->o_dn == '\0' ) - { - *text = "SASL authentication required"; - return LDAP_STRONG_AUTH_REQUIRED; + if( op->o_authmech.bv_len == 0 || 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 == NULL || *op->o_dn == '\0' ) { - *text = "authentication required"; - return LDAP_UNWILLING_TO_PERFORM; + if( op->o_dn.bv_len == 0 ) { + 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 ( op->o_conn->c_listener && ! ( op->o_conn->c_listener->sl_perms & S_IXOTH ) ) { + /* no "x" mode means bind required */ + rs->sr_text = "bind required on this listener"; + rs->sr_err = LDAP_STRONG_AUTH_REQUIRED; + return rs->sr_err; } } + + if ( !starttls && !updateop ) { + 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 */ + 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 */ + } 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, - const char *dn, - const char *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, - const char *gr_ndn, - const char *op_ndn, + struct berval *gr_ndn, + struct berval *op_ndn, ObjectClass *group_oc, AttributeDescription *group_at ) { + Entry *e; + Attribute *a; + int rc; GroupAssertion *g; - int len = strlen(gr_ndn); - int i; + Backend *be = op->o_bd; - ldap_pvt_thread_mutex_lock( &op->o_abandonmutex ); - i = op->o_abandon; - ldap_pvt_thread_mutex_unlock( &op->o_abandonmutex ); - if (i) - return SLAPD_ABANDON; + if ( op->o_abandon ) return SLAPD_ABANDON; - if( strcmp( target->e_ndn, gr_ndn ) != 0 ) { - /* we won't attempt to send it to a different backend */ - - be = select_backend(gr_ndn, 0, - (be->be_glueflags & SLAP_GLUE_INSTANCE)); + 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->next) { - if (g->be != be || g->oc != group_oc || g->at != group_at || - g->len != len) + 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->ndn, gr_ndn ) == 0) + if (strcmp( g->ga_ndn, gr_ndn->bv_val ) == 0) break; } - ldap_pvt_thread_mutex_unlock( &conn->c_mutex ); - if (g) - return g->res; - - 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) { - g = ch_malloc(sizeof(GroupAssertion) + len); - g->be = be; - g->oc = group_oc; - g->at = group_at; - g->res = res; - g->len = len; - strcpy(g->ndn, gr_ndn); - ldap_pvt_thread_mutex_lock( &conn->c_mutex ); - g->next = conn->c_groups; - conn->c_groups = g; - ldap_pvt_thread_mutex_unlock( &conn->c_mutex ); - } - return res; + if (g) { + rc = g->ga_res; + goto done; + } + + 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; + } + 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; + } + 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 = ch_malloc(sizeof(GroupAssertion) + gr_ndn->bv_len); + 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, - const char *e_ndn, + struct berval *edn, AttributeDescription *entry_at, - struct berval ***vals + BerVarray *vals ) { - if( target == NULL || strcmp( target->e_ndn, e_ndn ) != 0 ) { - /* we won't attempt to send it to a different backend */ - - be = select_backend(e_ndn, 0, - (be->be_glueflags & SLAP_GLUE_INSTANCE)); - - if (be == NULL) { - return LDAP_NO_SUCH_OBJECT; - } + Entry *e; + Attribute *a; + int i, j, rc = LDAP_SUCCESS; + AccessControlState acl_state = ACL_STATE_INIT; + Backend *be = op->o_bd; + + 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, e_ndn, - 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 ) + SlapReply *rs, + int opattrs ) { - Attribute *a = NULL; - -#ifdef SLAPD_SCHEMA_DN - a = ch_malloc( sizeof( Attribute ) ); - a->a_desc = slap_schema.si_ad_subschemaSubentry; - - /* Should be backend specific */ - a->a_vals = ch_malloc( 2 * sizeof( struct berval * ) ); - a->a_vals[0] = ber_bvstrdup( SLAPD_SCHEMA_DN ); - a->a_vals[1] = NULL; + Attribute *a = NULL, **ap = &a; + + /* + * If operational attributes (allegedly) are required, + * and the backend supports specific operational attributes, + * add them to the attribute list + */ + 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; + } - a->a_next = NULL; -#endif + 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; } +