1/* compare.c - sock backend compare function */ 2/* $OpenLDAP$ */ 3/* This work is part of OpenLDAP Software <http://www.openldap.org/>. 4 * 5 * Copyright 1998-2011 The OpenLDAP Foundation. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted only as authorized by the OpenLDAP 10 * Public License. 11 * 12 * A copy of this license is available in the file LICENSE in the 13 * top-level directory of the distribution or, alternatively, at 14 * <http://www.OpenLDAP.org/license.html>. 15 */ 16/* ACKNOWLEDGEMENTS: 17 * This work was initially developed by Brian Candler for inclusion 18 * in OpenLDAP Software. 19 */ 20 21#include "portable.h" 22 23#include <stdio.h> 24 25#include <ac/string.h> 26#include <ac/socket.h> 27 28#include "slap.h" 29#include "back-sock.h" 30#include "ldif.h" 31 32int 33sock_back_compare( 34 Operation *op, 35 SlapReply *rs ) 36{ 37 struct sockinfo *si = (struct sockinfo *) op->o_bd->be_private; 38 AttributeDescription *entry = slap_schema.si_ad_entry; 39 Entry e; 40 FILE *fp; 41 char *text; 42 43 e.e_id = NOID; 44 e.e_name = op->o_req_dn; 45 e.e_nname = op->o_req_ndn; 46 e.e_attrs = NULL; 47 e.e_ocflags = 0; 48 e.e_bv.bv_len = 0; 49 e.e_bv.bv_val = NULL; 50 e.e_private = NULL; 51 52 if ( ! access_allowed( op, &e, 53 entry, NULL, ACL_COMPARE, NULL ) ) 54 { 55 send_ldap_error( op, rs, LDAP_INSUFFICIENT_ACCESS, NULL ); 56 return -1; 57 } 58 59 if ( (fp = opensock( si->si_sockpath )) == NULL ) { 60 send_ldap_error( op, rs, LDAP_OTHER, 61 "could not open socket" ); 62 return( -1 ); 63 } 64 65 /* write out the request to the compare process */ 66 fprintf( fp, "COMPARE\n" ); 67 fprintf( fp, "msgid: %ld\n", (long) op->o_msgid ); 68 sock_print_conn( fp, op->o_conn, si ); 69 sock_print_suffixes( fp, op->o_bd ); 70 fprintf( fp, "dn: %s\n", op->o_req_dn.bv_val ); 71 /* could be binary */ 72 text = ldif_put_wrap( LDIF_PUT_VALUE, 73 op->orc_ava->aa_desc->ad_cname.bv_val, 74 op->orc_ava->aa_value.bv_val, 75 op->orc_ava->aa_value.bv_len, LDIF_LINE_WIDTH_MAX ); 76 if ( text ) { 77 fprintf( fp, "%s\n", text ); 78 ber_memfree( text ); 79 } else { 80 fprintf( fp, "\n\n" ); 81 } 82 83 /* read in the result and send it along */ 84 sock_read_and_send_results( op, rs, fp ); 85 86 fclose( fp ); 87 return( 0 ); 88} 89