]> git.sur5r.net Git - openldap/blobdiff - servers/slapd/result.c
test whether the current entry matches the current uri filter (ITS#6077); also, don...
[openldap] / servers / slapd / result.c
index 2912143dd465411b638d36985524b67c14c2e5af..353edc99820600722153d2dfef30324d94f3fab9 100644 (file)
@@ -2,7 +2,7 @@
 /* $OpenLDAP$ */
 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
  *
- * Copyright 1998-2008 The OpenLDAP Foundation.
+ * Copyright 1998-2009 The OpenLDAP Foundation.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -133,31 +133,64 @@ slap_req2res( ber_tag_t tag )
 }
 
 static long send_ldap_ber(
-       Connection *conn,
+       Operation *op,
        BerElement *ber )
 {
+       Connection *conn = op->o_conn;
        ber_len_t bytes;
+       long ret = 0;
 
        ber_get_option( ber, LBER_OPT_BER_BYTES_TO_WRITE, &bytes );
 
        /* write only one pdu at a time - wait til it's our turn */
-       ldap_pvt_thread_mutex_lock( &conn->c_write_mutex );
+       ldap_pvt_thread_mutex_lock( &conn->c_write1_mutex );
+       if (( op->o_abandon && !op->o_cancel ) || !connection_valid( conn ) ||
+               conn->c_writers < 0 ) {
+               ldap_pvt_thread_mutex_unlock( &conn->c_write1_mutex );
+               return 0;
+       }
+
+       conn->c_writers++;
+
+       while ( conn->c_writers > 0 && conn->c_writing ) {
+               ldap_pvt_thread_cond_wait( &conn->c_write1_cv, &conn->c_write1_mutex );
+       }
+
+       /* connection was closed under us */
+       if ( conn->c_writers < 0 ) {
+               /* we're the last waiter, let the closer continue */
+               if ( conn->c_writers == -1 )
+                       ldap_pvt_thread_cond_signal( &conn->c_write1_cv );
+               conn->c_writers++;
+               ldap_pvt_thread_mutex_unlock( &conn->c_write1_mutex );
+               return 0;
+       }
 
-       /* lock the connection */ 
-       ldap_pvt_thread_mutex_lock( &conn->c_mutex );
+       /* Our turn */
+       conn->c_writing = 1;
 
        /* write the pdu */
        while( 1 ) {
                int err;
 
-               if ( connection_state_closing( conn ) ) {
-                       ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
-                       ldap_pvt_thread_mutex_unlock( &conn->c_write_mutex );
-
-                       return 0;
+               /* lock the connection */ 
+               if ( ldap_pvt_thread_mutex_trylock( &conn->c_mutex )) {
+                       if ( !connection_valid(conn)) {
+                               ret = 0;
+                               break;
+                       }
+                       ldap_pvt_thread_mutex_unlock( &conn->c_write1_mutex );
+                       ldap_pvt_thread_mutex_lock( &conn->c_write1_mutex );
+                       if ( conn->c_writers < 0 ) {
+                               ret = 0;
+                               break;
+                       }
+                       continue;
                }
 
                if ( ber_flush2( conn->c_sb, ber, LBER_FLUSH_FREE_NEVER ) == 0 ) {
+                       ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
+                       ret = bytes;
                        break;
                }
 
@@ -173,26 +206,44 @@ static long send_ldap_ber(
                    err, sock_errstr(err), 0 );
 
                if ( err != EWOULDBLOCK && err != EAGAIN ) {
+                       conn->c_writers--;
+                       conn->c_writing = 0;
+                       ldap_pvt_thread_mutex_unlock( &conn->c_write1_mutex );
                        connection_closing( conn, "connection lost on write" );
 
                        ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
-                       ldap_pvt_thread_mutex_unlock( &conn->c_write_mutex );
-
-                       return( -1 );
+                       return -1;
                }
 
                /* wait for socket to be write-ready */
+               ldap_pvt_thread_mutex_lock( &conn->c_write2_mutex );
                conn->c_writewaiter = 1;
-               slapd_set_write( conn->c_sd, 1 );
+               slapd_set_write( conn->c_sd, 2 );
 
-               ldap_pvt_thread_cond_wait( &conn->c_write_cv, &conn->c_mutex );
+               ldap_pvt_thread_mutex_unlock( &conn->c_write1_mutex );
+               ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
+               ldap_pvt_thread_cond_wait( &conn->c_write2_cv, &conn->c_write2_mutex );
                conn->c_writewaiter = 0;
+               ldap_pvt_thread_mutex_unlock( &conn->c_write2_mutex );
+               ldap_pvt_thread_mutex_lock( &conn->c_write1_mutex );
+               if ( conn->c_writers < 0 ) {
+                       ret = 0;
+                       break;
+               }
        }
 
-       ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
-       ldap_pvt_thread_mutex_unlock( &conn->c_write_mutex );
+       conn->c_writing = 0;
+       if ( conn->c_writers < 0 ) {
+               conn->c_writers++;
+               if ( !conn->c_writers )
+                       ldap_pvt_thread_cond_signal( &conn->c_write1_cv );
+       } else {
+               conn->c_writers--;
+               ldap_pvt_thread_cond_signal( &conn->c_write1_cv );
+       }
+       ldap_pvt_thread_mutex_unlock( &conn->c_write1_mutex );
 
-       return bytes;
+       return ret;
 }
 
 static int
@@ -251,11 +302,11 @@ send_ldap_controls( Operation *o, BerElement *ber, LDAPControl **c )
 
                ber_printf( sber, "{e}", LDAP_UNWILLING_TO_PERFORM );
 
-               if( ber_flatten2( ber, &sorted.ldctl_value, 0 ) == -1 ) {
+               if( ber_flatten2( sber, &sorted.ldctl_value, 0 ) == -1 ) {
                        return -1;
                }
 
-               (void) ber_free_buf( ber );
+               (void) ber_free_buf( sber );
 
                rc = send_ldap_control( ber, &sorted );
                if( rc == -1 ) return rc;
@@ -372,7 +423,7 @@ send_ldap_response(
        int             rc = LDAP_SUCCESS;
        long    bytes;
 
-       if ( rs->sr_err == SLAPD_ABANDON || op->o_abandon ) {
+       if (( rs->sr_err == SLAPD_ABANDON || op->o_abandon ) && !op->o_cancel ) {
                rc = SLAPD_ABANDON;
                goto clean2;
        }
@@ -394,9 +445,13 @@ send_ldap_response(
                ber_set_option( ber, LBER_OPT_BER_MEMCTX, &op->o_tmpmemctx );
        }
 
+       rc = rs->sr_err;
+       if ( rc == SLAPD_ABANDON && op->o_cancel )
+               rc = LDAP_CANCELLED;
+
        Debug( LDAP_DEBUG_TRACE,
                "send_ldap_response: msgid=%d tag=%lu err=%d\n",
-               rs->sr_msgid, rs->sr_tag, rs->sr_err );
+               rs->sr_msgid, rs->sr_tag, rc );
 
        if( rs->sr_ref ) {
                Debug( LDAP_DEBUG_ARGS, "send_ldap_response: ref=\"%s\"\n",
@@ -409,7 +464,7 @@ send_ldap_response(
                op->o_protocol == LDAP_VERSION2 )
        {
                rc = ber_printf( ber, "t{ess" /*"}"*/,
-                       rs->sr_tag, rs->sr_err,
+                       rs->sr_tag, rc,
                rs->sr_matched == NULL ? "" : rs->sr_matched,
                rs->sr_text == NULL ? "" : rs->sr_text );
        } else 
@@ -420,7 +475,7 @@ send_ldap_response(
 
        } else {
            rc = ber_printf( ber, "{it{ess" /*"}}"*/,
-               rs->sr_msgid, rs->sr_tag, rs->sr_err,
+               rs->sr_msgid, rs->sr_tag, rc,
                rs->sr_matched == NULL ? "" : rs->sr_matched,
                rs->sr_text == NULL ? "" : rs->sr_text );
        }
@@ -490,7 +545,7 @@ send_ldap_response(
        }
 
        /* send BER */
-       bytes = send_ldap_ber( op->o_conn, ber );
+       bytes = send_ldap_ber( op, ber );
 #ifdef LDAP_CONNECTIONLESS
        if (!op->o_conn || op->o_conn->c_is_udp == 0)
 #endif
@@ -561,6 +616,7 @@ send_ldap_disconnect( Operation     *op, SlapReply *rs )
        assert( LDAP_UNSOLICITED_ERROR( rs->sr_err ) );
 
        rs->sr_type = REP_EXTENDED;
+       rs->sr_rspdata = NULL;
 
        Debug( LDAP_DEBUG_TRACE,
                "send_ldap_disconnect %d:%s\n",
@@ -649,14 +705,10 @@ abandon:
 
        if ( send_ldap_response( op, rs ) == SLAP_CB_CONTINUE ) {
                if ( op->o_tag == LDAP_REQ_SEARCH ) {
-                       char nbuf[64];
-                       snprintf( nbuf, sizeof nbuf, "%d nentries=%d",
-                               rs->sr_err, rs->sr_nentries );
-
                        Statslog( LDAP_DEBUG_STATS,
-                       "%s SEARCH RESULT tag=%lu err=%s text=%s\n",
-                               op->o_log_prefix, rs->sr_tag, nbuf,
-                               rs->sr_text ? rs->sr_text : "", 0 );
+                               "%s SEARCH RESULT tag=%lu err=%d nentries=%d text=%s\n",
+                               op->o_log_prefix, rs->sr_tag, rs->sr_err,
+                               rs->sr_nentries, rs->sr_text ? rs->sr_text : "" );
                } else {
                        Statslog( LDAP_DEBUG_STATS,
                                "%s RESULT tag=%lu err=%d text=%s\n",
@@ -747,7 +799,6 @@ slap_send_search_entry( Operation *op, SlapReply *rs )
        BerElement      *ber = (BerElement *) &berbuf;
        Attribute       *a;
        int             i, j, rc = LDAP_UNAVAILABLE, bytes;
-       char            *edn;
        int             userattrs;
        AccessControlState acl_state = ACL_STATE_INIT;
        int                      attrsonly;
@@ -810,8 +861,6 @@ slap_send_search_entry( Operation *op, SlapReply *rs )
                goto error_return;
        }
 
-       edn = rs->sr_entry->e_nname.bv_val;
-
        if ( op->o_res_ber ) {
                /* read back control or LDAP_CONNECTIONLESS */
            ber = op->o_res_ber;
@@ -1198,6 +1247,9 @@ slap_send_search_entry( Operation *op, SlapReply *rs )
                goto error_return;
        }
 
+       Statslog( LDAP_DEBUG_STATS2, "%s ENTRY dn=\"%s\"\n",
+           op->o_log_prefix, rs->sr_entry->e_nname.bv_val, 0, 0, 0 );
+
        if ( rs->sr_flags & REP_ENTRY_MUSTRELEASE ) {
                be_entry_release_rw( op, rs->sr_entry, 0 );
                rs->sr_flags ^= REP_ENTRY_MUSTRELEASE;
@@ -1205,7 +1257,7 @@ slap_send_search_entry( Operation *op, SlapReply *rs )
        }
 
        if ( op->o_res_ber == NULL ) {
-               bytes = send_ldap_ber( op->o_conn, ber );
+               bytes = send_ldap_ber( op, ber );
                ber_free_buf( ber );
 
                if ( bytes < 0 ) {
@@ -1225,9 +1277,6 @@ slap_send_search_entry( Operation *op, SlapReply *rs )
                ldap_pvt_thread_mutex_unlock( &op->o_counters->sc_mutex );
        }
 
-       Statslog( LDAP_DEBUG_STATS2, "%s ENTRY dn=\"%s\"\n",
-           op->o_log_prefix, edn, 0, 0, 0 );
-
        Debug( LDAP_DEBUG_TRACE,
                "<= send_search_entry: conn %lu exit.\n", op->o_connid, 0, 0 );
 
@@ -1273,6 +1322,7 @@ slap_send_search_reference( Operation *op, SlapReply *rs )
        BerElement      *ber = (BerElement *) &berbuf;
        int rc = 0;
        int bytes;
+       char *edn = rs->sr_entry ? rs->sr_entry->e_name.bv_val : "(null)";
 
        AttributeDescription *ad_ref = slap_schema.si_ad_ref;
        AttributeDescription *ad_entry = slap_schema.si_ad_entry;
@@ -1287,7 +1337,7 @@ slap_send_search_reference( Operation *op, SlapReply *rs )
 
        Debug( LDAP_DEBUG_TRACE,
                "=> send_search_reference: dn=\"%s\"\n",
-               rs->sr_entry ? rs->sr_entry->e_name.bv_val : "(null)", 0, 0 );
+               edn, 0, 0 );
 
        if (  rs->sr_entry && ! access_allowed( op, rs->sr_entry,
                ad_entry, NULL, ACL_READ, NULL ) )
@@ -1313,7 +1363,7 @@ slap_send_search_reference( Operation *op, SlapReply *rs )
        if( op->o_domain_scope ) {
                Debug( LDAP_DEBUG_ANY,
                        "send_search_reference: domainScope control in (%s)\n", 
-                       rs->sr_entry->e_dn, 0, 0 );
+                       edn, 0, 0 );
                rc = 0;
                goto rel;
        }
@@ -1321,7 +1371,7 @@ slap_send_search_reference( Operation *op, SlapReply *rs )
        if( rs->sr_ref == NULL ) {
                Debug( LDAP_DEBUG_ANY,
                        "send_search_reference: null ref in (%s)\n", 
-                       rs->sr_entry ? rs->sr_entry->e_dn : "(null)", 0, 0 );
+                       edn, 0, 0 );
                rc = 1;
                goto rel;
        }
@@ -1371,6 +1421,7 @@ slap_send_search_reference( Operation *op, SlapReply *rs )
 
        rc = 0;
        if ( rs->sr_flags & REP_ENTRY_MUSTRELEASE ) {
+               assert( rs->sr_entry != NULL );
                be_entry_release_rw( op, rs->sr_entry, 0 );
                rs->sr_flags ^= REP_ENTRY_MUSTRELEASE;
                rs->sr_entry = NULL;
@@ -1379,7 +1430,7 @@ slap_send_search_reference( Operation *op, SlapReply *rs )
 #ifdef LDAP_CONNECTIONLESS
        if (!op->o_conn || op->o_conn->c_is_udp == 0) {
 #endif
-       bytes = send_ldap_ber( op->o_conn, ber );
+       bytes = send_ldap_ber( op, ber );
        ber_free_buf( ber );
 
        if ( bytes < 0 ) {
@@ -1520,8 +1571,8 @@ int slap_read_controls(
        LDAPControl c;
        Operation myop;
 
-       Debug( LDAP_DEBUG_ANY, "slap_read_controls: (%s) %s\n",
-               oid->bv_val, e->e_dn, 0 );
+       Debug( LDAP_DEBUG_ANY, "%s slap_read_controls: (%s) %s\n",
+               op->o_log_prefix, oid->bv_val, e->e_dn );
 
        rs->sr_entry = e;
        rs->sr_attrs = ( oid == &slap_pre_read_bv ) ?
@@ -1619,12 +1670,11 @@ slap_attr_flags( AttributeName *an )
                flags |= ( SLAP_OPATTRS_NO | SLAP_USERATTRS_YES );
 
        } else {
-               flags |= an_find( an, &AllOper )
+               flags |= an_find( an, slap_bv_all_operational_attrs )
                        ? SLAP_OPATTRS_YES : SLAP_OPATTRS_NO;
-               flags |= an_find( an, &AllUser )
+               flags |= an_find( an, slap_bv_all_user_attrs )
                        ? SLAP_USERATTRS_YES : SLAP_USERATTRS_NO;
        }
 
        return flags;
 }
-