int meta_back_conn_destroy( Backend *be, Connection *conn ) { metainfo_t *mi = ( metainfo_t * )be->be_private; metaconn_t *mc, mc_curr = {{ 0 }}; int i; Debug( LDAP_DEBUG_TRACE, "=>meta_back_conn_destroy: fetching conn=%ld DN=\"%s\"\n", conn->c_connid, BER_BVISNULL( &conn->c_ndn ) ? "" : conn->c_ndn.bv_val, 0 ); mc_curr.mc_conn = conn; ldap_pvt_thread_mutex_lock( &mi->mi_conninfo.lai_mutex ); #if META_BACK_PRINT_CONNTREE > 0 meta_back_print_conntree( mi, ">>> meta_back_conn_destroy" ); #endif /* META_BACK_PRINT_CONNTREE */ while ( ( mc = avl_delete( &mi->mi_conninfo.lai_tree, ( caddr_t )&mc_curr, meta_back_conn_cmp ) ) != NULL ) { assert( !LDAP_BACK_PCONN_ISPRIV( mc ) ); Debug( LDAP_DEBUG_TRACE, "=>meta_back_conn_destroy: destroying conn %lu " "refcnt=%d flags=0x%08x\n", mc->mc_conn->c_connid, mc->mc_refcnt, mc->msc_mscflags ); if ( mc->mc_refcnt > 0 ) { /* someone else might be accessing the connection; * mark for deletion */ LDAP_BACK_CONN_CACHED_CLEAR( mc ); LDAP_BACK_CONN_TAINTED_SET( mc ); } else { meta_back_conn_free( mc ); } } #if META_BACK_PRINT_CONNTREE > 0 meta_back_print_conntree( mi, "<<< meta_back_conn_destroy" ); #endif /* META_BACK_PRINT_CONNTREE */ ldap_pvt_thread_mutex_unlock( &mi->mi_conninfo.lai_mutex ); /* * Cleanup rewrite session */ for ( i = 0; i < mi->mi_ntargets; ++i ) { rewrite_session_delete( mi->mi_targets[ i ]->mt_rwmap.rwm_rw, conn ); } return 0; }
int ldap_back_conn_destroy( Backend *be, Connection *conn ) { ldapinfo_t *li = (ldapinfo_t *) be->be_private; ldapconn_t *lc = NULL, lc_curr; Debug( LDAP_DEBUG_TRACE, "=>ldap_back_conn_destroy: fetching conn %ld\n", conn->c_connid, 0, 0 ); lc_curr.lc_conn = conn; ldap_pvt_thread_mutex_lock( &li->li_conninfo.lai_mutex ); #if LDAP_BACK_PRINT_CONNTREE > 0 ldap_back_print_conntree( li, ">>> ldap_back_conn_destroy" ); #endif /* LDAP_BACK_PRINT_CONNTREE */ while ( ( lc = avl_delete( &li->li_conninfo.lai_tree, (caddr_t)&lc_curr, ldap_back_conn_cmp ) ) != NULL ) { assert( !LDAP_BACK_PCONN_ISPRIV( lc ) ); Debug( LDAP_DEBUG_TRACE, "=>ldap_back_conn_destroy: destroying conn %lu " "refcnt=%d flags=0x%08x\n", lc->lc_conn->c_connid, lc->lc_refcnt, lc->lc_lcflags ); if ( lc->lc_refcnt > 0 ) { /* someone else might be accessing the connection; * mark for deletion */ LDAP_BACK_CONN_CACHED_CLEAR( lc ); LDAP_BACK_CONN_TAINTED_SET( lc ); } else { ldap_back_conn_free( lc ); } } #if LDAP_BACK_PRINT_CONNTREE > 0 ldap_back_print_conntree( li, "<<< ldap_back_conn_destroy" ); #endif /* LDAP_BACK_PRINT_CONNTREE */ ldap_pvt_thread_mutex_unlock( &li->li_conninfo.lai_mutex ); return 0; }
int meta_back_bind( Operation *op, SlapReply *rs ) { metainfo_t *mi = ( metainfo_t * )op->o_bd->be_private; metaconn_t *mc = NULL; int rc = LDAP_OTHER, i, gotit = 0, isroot = 0; SlapReply *candidates; rs->sr_err = LDAP_SUCCESS; Debug( LDAP_DEBUG_ARGS, "%s meta_back_bind: dn=\"%s\".\n", op->o_log_prefix, op->o_req_dn.bv_val ); /* the test on the bind method should be superfluous */ switch ( be_rootdn_bind( op, rs ) ) { case LDAP_SUCCESS: if ( META_BACK_DEFER_ROOTDN_BIND( mi ) ) { /* frontend will return success */ return rs->sr_err; } isroot = 1; /* fallthru */ case SLAP_CB_CONTINUE: break; default: /* be_rootdn_bind() sent result */ return rs->sr_err; } /* we need meta_back_getconn() not send result even on error, * because we want to intercept the error and make it * invalidCredentials */ mc = meta_back_getconn( op, rs, NULL, LDAP_BACK_BIND_DONTSEND ); if ( !mc ) { if ( LogTest( LDAP_DEBUG_ANY ) ) { char buf[ SLAP_TEXT_BUFLEN ]; snprintf( buf, sizeof( buf ), "meta_back_bind: no target " "for dn \"%s\" (%d%s%s).", op->o_req_dn.bv_val, rs->sr_err, rs->sr_text ? ". " : "", rs->sr_text ? rs->sr_text : "" ); Debug( LDAP_DEBUG_ANY, "%s %s\n", op->o_log_prefix, buf ); } /* FIXME: there might be cases where we don't want * to map the error onto invalidCredentials */ switch ( rs->sr_err ) { case LDAP_NO_SUCH_OBJECT: case LDAP_UNWILLING_TO_PERFORM: rs->sr_err = LDAP_INVALID_CREDENTIALS; rs->sr_text = NULL; break; } send_ldap_result( op, rs ); return rs->sr_err; } candidates = meta_back_candidates_get( op ); /* * Each target is scanned ... */ mc->mc_authz_target = META_BOUND_NONE; for ( i = 0; i < mi->mi_ntargets; i++ ) { metatarget_t *mt = mi->mi_targets[ i ]; int lerr; /* * Skip non-candidates */ if ( !META_IS_CANDIDATE( &candidates[ i ] ) ) { continue; } if ( gotit == 0 ) { /* set rc to LDAP_SUCCESS only if at least * one candidate has been tried */ rc = LDAP_SUCCESS; gotit = 1; } else if ( !isroot ) { /* * A bind operation is expected to have * ONE CANDIDATE ONLY! */ Debug( LDAP_DEBUG_ANY, "### %s meta_back_bind: more than one" " candidate selected...\n", op->o_log_prefix ); } if ( isroot ) { if ( mt->mt_idassert_authmethod == LDAP_AUTH_NONE || BER_BVISNULL( &mt->mt_idassert_authcDN ) ) { metasingleconn_t *msc = &mc->mc_conns[ i ]; /* skip the target if no pseudorootdn is provided */ if ( !BER_BVISNULL( &msc->msc_bound_ndn ) ) { ch_free( msc->msc_bound_ndn.bv_val ); BER_BVZERO( &msc->msc_bound_ndn ); } if ( !BER_BVISNULL( &msc->msc_cred ) ) { /* destroy sensitive data */ memset( msc->msc_cred.bv_val, 0, msc->msc_cred.bv_len ); ch_free( msc->msc_cred.bv_val ); BER_BVZERO( &msc->msc_cred ); } continue; } (void)meta_back_proxy_authz_bind( mc, i, op, rs, LDAP_BACK_DONTSEND, 1 ); lerr = rs->sr_err; } else { lerr = meta_back_single_bind( op, rs, mc, i ); } if ( lerr != LDAP_SUCCESS ) { rc = rs->sr_err = lerr; /* FIXME: in some cases (e.g. unavailable) * do not assume it's not candidate; rather * mark this as an error to be eventually * reported to client */ META_CANDIDATE_CLEAR( &candidates[ i ] ); break; } } /* must re-insert if local DN changed as result of bind */ if ( rc == LDAP_SUCCESS ) { if ( isroot ) { mc->mc_authz_target = META_BOUND_ALL; } if ( !LDAP_BACK_PCONN_ISPRIV( mc ) && !dn_match( &op->o_req_ndn, &mc->mc_local_ndn ) ) { int lerr; /* wait for all other ops to release the connection */ ldap_pvt_thread_mutex_lock( &mi->mi_conninfo.lai_mutex ); assert( mc->mc_refcnt == 1 ); #if META_BACK_PRINT_CONNTREE > 0 meta_back_print_conntree( mi, ">>> meta_back_bind" ); #endif /* META_BACK_PRINT_CONNTREE */ /* delete all cached connections with the current connection */ if ( LDAP_BACK_SINGLECONN( mi ) ) { metaconn_t *tmpmc; while ( ( tmpmc = avl_delete( &mi->mi_conninfo.lai_tree, (caddr_t)mc, meta_back_conn_cmp ) ) != NULL ) { assert( !LDAP_BACK_PCONN_ISPRIV( mc ) ); Debug( LDAP_DEBUG_TRACE, "=>meta_back_bind: destroying conn %lu (refcnt=%u)\n", mc->mc_conn->c_connid, mc->mc_refcnt ); if ( tmpmc->mc_refcnt != 0 ) { /* taint it */ LDAP_BACK_CONN_TAINTED_SET( tmpmc ); } else { /* * Needs a test because the handler may be corrupted, * and calling ldap_unbind on a corrupted header results * in a segmentation fault */ meta_back_conn_free( tmpmc ); } } } ber_bvreplace( &mc->mc_local_ndn, &op->o_req_ndn ); lerr = avl_insert( &mi->mi_conninfo.lai_tree, (caddr_t)mc, meta_back_conndn_cmp, meta_back_conndn_dup ); #if META_BACK_PRINT_CONNTREE > 0 meta_back_print_conntree( mi, "<<< meta_back_bind" ); #endif /* META_BACK_PRINT_CONNTREE */ if ( lerr == 0 ) { #if 0 /* NOTE: a connection cannot be privileged * and be in the avl tree at the same time */ if ( isroot ) { LDAP_BACK_CONN_ISPRIV_SET( mc ); LDAP_BACK_PCONN_SET( mc, op ); } #endif LDAP_BACK_CONN_CACHED_SET( mc ); } else { LDAP_BACK_CONN_CACHED_CLEAR( mc ); } ldap_pvt_thread_mutex_unlock( &mi->mi_conninfo.lai_mutex ); } } if ( mc != NULL ) { meta_back_release_conn( mi, mc ); } /* * rc is LDAP_SUCCESS if at least one bind succeeded, * err is the last error that occurred during a bind; * if at least (and at most?) one bind succeeds, fine. */ if ( rc != LDAP_SUCCESS ) { /* * deal with bind failure ... */ /* * no target was found within the naming context, * so bind must fail with invalid credentials */ if ( rs->sr_err == LDAP_SUCCESS && gotit == 0 ) { rs->sr_err = LDAP_INVALID_CREDENTIALS; } else { rs->sr_err = slap_map_api2result( rs ); } send_ldap_result( op, rs ); return rs->sr_err; } return LDAP_SUCCESS; }