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ava.c revision 1.1.1.3.12.1 
      1 /*	$NetBSD: ava.c,v 1.1.1.3.12.1 2014/08/19 23:52:01 tls Exp $	*/
      2 
      3 /* ava.c - routines for dealing with attribute value assertions */
      4 /* $OpenLDAP$ */
      5 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
      6  *
      7  * Copyright 1998-2014 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 
     29 #include "portable.h"
     30 
     31 #include <stdio.h>
     32 
     33 #include <ac/string.h>
     34 #include <ac/socket.h>
     35 
     36 #include "slap.h"
     37 
     38 #ifdef LDAP_COMP_MATCH
     39 #include "component.h"
     40 #endif
     41 
     42 void
     43 ava_free(
     44 	Operation *op,
     45 	AttributeAssertion *ava,
     46 	int	freeit )
     47 {
     48 #ifdef LDAP_COMP_MATCH
     49 	if ( ava->aa_cf && ava->aa_cf->cf_ca->ca_comp_data.cd_mem_op )
     50 		nibble_mem_free ( ava->aa_cf->cf_ca->ca_comp_data.cd_mem_op );
     51 #endif
     52 	op->o_tmpfree( ava->aa_value.bv_val, op->o_tmpmemctx );
     53 	if ( ava->aa_desc->ad_flags & SLAP_DESC_TEMPORARY )
     54 		op->o_tmpfree( ava->aa_desc, op->o_tmpmemctx );
     55 	if ( freeit ) op->o_tmpfree( (char *) ava, op->o_tmpmemctx );
     56 }
     57 
     58 int
     59 get_ava(
     60 	Operation *op,
     61 	BerElement	*ber,
     62 	Filter *f,
     63 	unsigned usage,
     64 	const char **text )
     65 {
     66 	int rc;
     67 	ber_tag_t rtag;
     68 	struct berval type, value;
     69 	AttributeAssertion *aa;
     70 #ifdef LDAP_COMP_MATCH
     71 	AttributeAliasing* a_alias = NULL;
     72 #endif
     73 
     74 	rtag = ber_scanf( ber, "{mm}", &type, &value );
     75 
     76 	if( rtag == LBER_ERROR ) {
     77 		Debug( LDAP_DEBUG_ANY, "  get_ava ber_scanf\n", 0, 0, 0 );
     78 		*text = "Error decoding attribute value assertion";
     79 		return SLAPD_DISCONNECT;
     80 	}
     81 
     82 	aa = op->o_tmpalloc( sizeof( AttributeAssertion ), op->o_tmpmemctx );
     83 	aa->aa_desc = NULL;
     84 	aa->aa_value.bv_val = NULL;
     85 #ifdef LDAP_COMP_MATCH
     86 	aa->aa_cf = NULL;
     87 #endif
     88 
     89 	rc = slap_bv2ad( &type, &aa->aa_desc, text );
     90 
     91 	if( rc != LDAP_SUCCESS ) {
     92 		f->f_choice |= SLAPD_FILTER_UNDEFINED;
     93 		*text = NULL;
     94 		rc = slap_bv2undef_ad( &type, &aa->aa_desc, text,
     95 				SLAP_AD_PROXIED|SLAP_AD_NOINSERT );
     96 
     97 		if( rc != LDAP_SUCCESS ) {
     98 			Debug( LDAP_DEBUG_FILTER,
     99 			"get_ava: unknown attributeType %s\n", type.bv_val, 0, 0 );
    100 			aa->aa_desc = slap_bv2tmp_ad( &type, op->o_tmpmemctx );
    101 			ber_dupbv_x( &aa->aa_value, &value, op->o_tmpmemctx );
    102 			f->f_ava = aa;
    103 			return LDAP_SUCCESS;
    104 		}
    105 	}
    106 
    107 	rc = asserted_value_validate_normalize(
    108 		aa->aa_desc, ad_mr(aa->aa_desc, usage),
    109 		usage, &value, &aa->aa_value, text, op->o_tmpmemctx );
    110 
    111 	if( rc != LDAP_SUCCESS ) {
    112 		f->f_choice |= SLAPD_FILTER_UNDEFINED;
    113 		Debug( LDAP_DEBUG_FILTER,
    114 		"get_ava: illegal value for attributeType %s\n", type.bv_val, 0, 0 );
    115 		ber_dupbv_x( &aa->aa_value, &value, op->o_tmpmemctx );
    116 		*text = NULL;
    117 		rc = LDAP_SUCCESS;
    118 	}
    119 
    120 #ifdef LDAP_COMP_MATCH
    121 	if( is_aliased_attribute ) {
    122 		a_alias = is_aliased_attribute ( aa->aa_desc );
    123 		if ( a_alias ) {
    124 			rc = get_aliased_filter_aa ( op, aa, a_alias, text );
    125 			if( rc != LDAP_SUCCESS ) {
    126 				Debug( LDAP_DEBUG_FILTER,
    127 						"get_ava: Invalid Attribute Aliasing\n", 0, 0, 0 );
    128 				return rc;
    129 			}
    130 		}
    131 	}
    132 #endif
    133 	f->f_ava = aa;
    134 	return LDAP_SUCCESS;
    135 }
    136