1/* $NetBSD: compare.c,v 1.1.1.3 2010/12/12 15:23:21 adam Exp $ */ 2 3/* compare.c - shell backend compare function */ 4/* OpenLDAP: pkg/ldap/servers/slapd/back-shell/compare.c,v 1.28.2.5 2010/04/13 20:23:38 kurt Exp */ 5/* This work is part of OpenLDAP Software <http://www.openldap.org/>. 6 * 7 * Copyright 1998-2010 The OpenLDAP Foundation. 8 * All rights reserved. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted only as authorized by the OpenLDAP 12 * Public License. 13 * 14 * A copy of this license is available in the file LICENSE in the 15 * top-level directory of the distribution or, alternatively, at 16 * <http://www.OpenLDAP.org/license.html>. 17 */ 18/* Portions Copyright (c) 1995 Regents of the University of Michigan. 19 * All rights reserved. 20 * 21 * Redistribution and use in source and binary forms are permitted 22 * provided that this notice is preserved and that due credit is given 23 * to the University of Michigan at Ann Arbor. The name of the University 24 * may not be used to endorse or promote products derived from this 25 * software without specific prior written permission. This software 26 * is provided ``as is'' without express or implied warranty. 27 */ 28/* ACKNOWLEDGEMENTS: 29 * This work was originally developed by the University of Michigan 30 * (as part of U-MICH LDAP). 31 */ 32 33#include "portable.h" 34 35#include <stdio.h> 36 37#include <ac/string.h> 38#include <ac/socket.h> 39 40#include "slap.h" 41#include "shell.h" 42 43int 44shell_back_compare( 45 Operation *op, 46 SlapReply *rs ) 47{ 48 struct shellinfo *si = (struct shellinfo *) op->o_bd->be_private; 49 AttributeDescription *entry = slap_schema.si_ad_entry; 50 Entry e; 51 FILE *rfp, *wfp; 52 53 if ( si->si_compare == NULL ) { 54 send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM, 55 "compare not implemented" ); 56 return( -1 ); 57 } 58 59 e.e_id = NOID; 60 e.e_name = op->o_req_dn; 61 e.e_nname = op->o_req_ndn; 62 e.e_attrs = NULL; 63 e.e_ocflags = 0; 64 e.e_bv.bv_len = 0; 65 e.e_bv.bv_val = NULL; 66 e.e_private = NULL; 67 68 if ( ! access_allowed( op, &e, 69 entry, NULL, ACL_READ, NULL ) ) 70 { 71 send_ldap_error( op, rs, LDAP_INSUFFICIENT_ACCESS, NULL ); 72 return -1; 73 } 74 75 if ( forkandexec( si->si_compare, &rfp, &wfp ) == (pid_t)-1 ) { 76 send_ldap_error( op, rs, LDAP_OTHER, 77 "could not fork/exec" ); 78 return( -1 ); 79 } 80 81 /* 82 * FIX ME: This should use LDIF routines so that binary 83 * values are properly dealt with 84 */ 85 86 /* write out the request to the compare process */ 87 fprintf( wfp, "COMPARE\n" ); 88 fprintf( wfp, "msgid: %ld\n", (long) op->o_msgid ); 89 print_suffixes( wfp, op->o_bd ); 90 fprintf( wfp, "dn: %s\n", op->o_req_dn.bv_val ); 91 fprintf( wfp, "%s: %s\n", 92 op->oq_compare.rs_ava->aa_desc->ad_cname.bv_val, 93 op->oq_compare.rs_ava->aa_value.bv_val /* could be binary! */ ); 94 fclose( wfp ); 95 96 /* read in the result and send it along */ 97 read_and_send_results( op, rs, rfp ); 98 99 fclose( rfp ); 100 return( 0 ); 101} 102