git.sur5r.net Git - openldap/blob - servers/slapd/back-perl/compare.c

   1 /* $OpenLDAP$ */
   2 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   3  *
   4  * Copyright 1999-2017 The OpenLDAP Foundation.
   5  * Portions Copyright 1999 John C. Quillan.
   6  * Portions Copyright 2002 myinternet Limited.
   7  * All rights reserved.
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted only as authorized by the OpenLDAP
  11  * Public License.
  12  *
  13  * A copy of this license is available in file LICENSE in the
  14  * top-level directory of the distribution or, alternatively, at
  15  * <http://www.OpenLDAP.org/license.html>.
  16  */
  17
  18 #include "perl_back.h"
  19 #include "lutil.h"
  20
  21 /**********************************************************
  22  *
  23  * Compare
  24  *
  25  **********************************************************/
  26
  27 int
  28 perl_back_compare(
  29         Operation       *op,
  30         SlapReply       *rs )
  31 {
  32         int count, avalen;
  33         char *avastr;
  34
  35         PerlBackend *perl_back = (PerlBackend *)op->o_bd->be_private;
  36
  37         avalen = op->orc_ava->aa_desc->ad_cname.bv_len + 1 +
  38                 op->orc_ava->aa_value.bv_len;
  39         avastr = ch_malloc( avalen + 1 );
  40
  41         lutil_strcopy( lutil_strcopy( lutil_strcopy( avastr,
  42                 op->orc_ava->aa_desc->ad_cname.bv_val ), "=" ),
  43                 op->orc_ava->aa_value.bv_val );
  44
  45         PERL_SET_CONTEXT( PERL_INTERPRETER );
  46         ldap_pvt_thread_mutex_lock( &perl_interpreter_mutex );
  47
  48         {
  49                 dSP; ENTER; SAVETMPS;
  50
  51                 PUSHMARK(sp);
  52                 XPUSHs( perl_back->pb_obj_ref );
  53                 XPUSHs(sv_2mortal(newSVpv( op->o_req_dn.bv_val , op->o_req_dn.bv_len)));
  54                 XPUSHs(sv_2mortal(newSVpv( avastr , avalen)));
  55                 PUTBACK;
  56
  57                 count = call_method("compare", G_SCALAR);
  58
  59                 SPAGAIN;
  60
  61                 if (count != 1) {
  62                         croak("Big trouble in back_compare\n");
  63                 }
  64
  65                 rs->sr_err = POPi;
  66
  67                 PUTBACK; FREETMPS; LEAVE;
  68         }
  69
  70         ldap_pvt_thread_mutex_unlock( &perl_interpreter_mutex );
  71
  72         ch_free( avastr );
  73
  74         send_ldap_result( op, rs );
  75
  76         Debug( LDAP_DEBUG_ANY, "Perl COMPARE\n", 0, 0, 0 );
  77
  78         return (0);
  79 }
  80