external/bsd/openldap/dist/servers/slapd/back-sock/compare.c

   1 /* compare.c - sock backend compare function */
   2 /* $OpenLDAP: pkg/ldap/servers/slapd/back-sock/compare.c,v 1.4.2.1 2008/02/09 00:46:09 quanah Exp $ */
   3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   4  *
   5  * Copyright 1998-2008 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
  31 int
  32 sock_back_compare(
  33     Operation   *op,
  34     SlapReply   *rs )
  35 {
  36         struct sockinfo *si = (struct sockinfo *) op->o_bd->be_private;
  37         AttributeDescription *entry = slap_schema.si_ad_entry;
  38         Entry e;
  39         FILE                    *fp;
  40
  41         e.e_id = NOID;
  42         e.e_name = op->o_req_dn;
  43         e.e_nname = op->o_req_ndn;
  44         e.e_attrs = NULL;
  45         e.e_ocflags = 0;
  46         e.e_bv.bv_len = 0;
  47         e.e_bv.bv_val = NULL;
  48         e.e_private = NULL;
  49
  50         if ( ! access_allowed( op, &e,
  51                 entry, NULL, ACL_COMPARE, NULL ) )
  52         {
  53                 send_ldap_error( op, rs, LDAP_INSUFFICIENT_ACCESS, NULL );
  54                 return -1;
  55         }
  56
  57         if ( (fp = opensock( si->si_sockpath )) == NULL ) {
  58                 send_ldap_error( op, rs, LDAP_OTHER,
  59                     "could not open socket" );
  60                 return( -1 );
  61         }
  62
  63         /*
  64          * FIX ME:  This should use LDIF routines so that binary
  65          *      values are properly dealt with
  66          */
  67
  68         /* write out the request to the compare process */
  69         fprintf( fp, "COMPARE\n" );
  70         fprintf( fp, "msgid: %ld\n", (long) op->o_msgid );
  71         sock_print_conn( fp, op->o_conn, si );
  72         sock_print_suffixes( fp, op->o_bd );
  73         fprintf( fp, "dn: %s\n", op->o_req_dn.bv_val );
  74         fprintf( fp, "%s: %s\n",
  75                 op->oq_compare.rs_ava->aa_desc->ad_cname.bv_val,
  76                 op->oq_compare.rs_ava->aa_value.bv_val /* could be binary! */ );
  77         fclose( fp );
  78
  79         /* read in the result and send it along */
  80         sock_read_and_send_results( op, rs, fp );
  81
  82         fclose( fp );
  83         return( 0 );
  84 }