Adding upstream version 2.5.13+dfsg.upstream/2.5.13+dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 839 insertions, 0 deletions

diff --git a/contrib/slapd-modules/comp_match/init.c b/contrib/slapd-modules/comp_match/init.c
new file mode 100644
index 0000000..c3ab83c
--- /dev/null
+++ b/contrib/slapd-modules/comp_match/init.c
@@ -0,0 +1,839 @@
+/* Copyright 2004 IBM Corporation
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted only as authorized by the OpenLDAP
+ * Public License.
+ */
+/* ACKNOWLEDGEMENTS
+ * This work originally developed by Sang Seok Lim
+ * 2004/06/18	03:20:00	slim@OpenLDAP.org
+ */
+
+#include "portable.h"
+#include <ac/string.h>
+#include <ac/socket.h>
+#include <ldap_pvt.h>
+#include "lutil.h"
+#include <ldap.h>
+#include "slap.h"
+#include "component.h"
+
+#include "componentlib.h"
+#include "asn.h"
+#include <asn-gser.h>
+
+#include <string.h>
+
+#ifndef SLAPD_COMP_MATCH
+#define SLAPD_COMP_MATCH SLAPD_MOD_DYNAMIC
+#endif
+
+/*
+ * Attribute and MatchingRule aliasing table
+ */
+AttributeAliasing aa_table [ MAX_ALIASING_ENTRY ];
+MatchingRuleAliasing mra_table [ MAX_ALIASING_ENTRY ];
+
+OD_entry* gOD_table = NULL;
+AsnTypetoMatchingRuleTable* gATMR_table = NULL;
+
+int
+load_derived_matching_rule ( char* cfg_path ){
+}
+
+AttributeAliasing*
+comp_is_aliased_attribute( void *in  )
+{
+	AttributeAliasing* curr_aa;
+	int i;
+	AttributeDescription *ad = (AttributeDescription*)in;
+
+	for ( i = 0; aa_table[i].aa_aliasing_ad && i < MAX_ALIASING_ENTRY; i++ ) {
+		if ( strncmp(aa_table[i].aa_aliasing_ad->ad_cname.bv_val , ad->ad_cname.bv_val, ad->ad_cname.bv_len) == 0 )
+			return &aa_table[i];
+	}
+	return NULL;
+}
+
+static int
+add_aa_entry( int index, char* aliasing_at_name, char* aliased_at_name, char* mr_name, char* component_filter )
+{
+	char text[1][128];
+	int rc;
+	struct berval type;
+
+	/* get and store aliasing AttributeDescription */
+	type.bv_val = aliasing_at_name;
+	type.bv_len = strlen ( aliasing_at_name );
+	rc = slap_bv2ad ( &type, &aa_table[index].aa_aliasing_ad,(const char**)text );
+	if ( rc != LDAP_SUCCESS ) return rc;
+
+	/* get and store aliased AttributeDescription */
+	type.bv_val = aliased_at_name;
+	type.bv_len = strlen ( aliased_at_name );
+	rc = slap_bv2ad ( &type, &aa_table[index].aa_aliased_ad,(const char**)text );
+	if ( rc != LDAP_SUCCESS ) return rc;
+
+	/* get and store componentFilterMatch */
+	type.bv_val = mr_name;
+	type.bv_len = strlen ( mr_name);
+	aa_table[index].aa_mr = mr_bvfind ( &type );
+
+	/* get and store a component filter */
+	type.bv_val = component_filter;
+	type.bv_len = strlen ( component_filter );
+	rc = get_comp_filter( NULL, &type, &aa_table[index].aa_cf,(const char**)text);
+
+	aa_table[index].aa_cf_str = component_filter;
+
+	return rc;
+}
+
+/*
+ * Initialize attribute aliasing table when this module is loaded
+ * add_aa_entry ( index for the global table,
+ *                name of the aliasing attribute,
+ *                component filter with filling value parts "xxx"
+ *              )
+ * "xxx" will be replaced with effective values later.
+ * See RFC3687 to understand the content of a component filter.
+ */
+char* pre_processed_comp_filter[] = {
+/*1*/"item:{ component \"toBeSigned.issuer.rdnSequence\", rule distinguishedNameMatch, value xxx }",
+/*2*/"item:{ component \"toBeSigned.serialNumber\", rule integerMatch, value xxx }",
+/*3*/"and:{ item:{ component \"toBeSigned.serialNumber\", rule integerMatch, value xxx }, item:{ component \"toBeSigned.issuer.rdnSequence\", rule distinguishedNameMatch, value xxx } }"
+};
+
+static int
+init_attribute_aliasing_table ()
+{
+	int rc;
+	int index = 0 ;
+
+	rc = add_aa_entry ( index, "x509CertificateIssuer", "userCertificate","componentFilterMatch", pre_processed_comp_filter[index] );
+	if ( rc != LDAP_SUCCESS ) return LDAP_PARAM_ERROR;
+	index++;
+
+	rc = add_aa_entry ( index, "x509CertificateSerial","userCertificate", "componentFilterMatch", pre_processed_comp_filter[index] );
+	if ( rc != LDAP_SUCCESS ) return LDAP_PARAM_ERROR;
+	index++;
+
+	rc = add_aa_entry ( index, "x509CertificateSerialAndIssuer", "userCertificate", "componentFilterMatch", pre_processed_comp_filter[index] );
+	if ( rc != LDAP_SUCCESS ) return LDAP_PARAM_ERROR;
+	index++;
+
+	return LDAP_SUCCESS;
+}
+
+void
+init_component_description_table () {
+	AsnTypeId id;
+	struct berval mr;
+	AsnTypetoSyntax* asn_to_syn;
+	Syntax* syn;
+
+	for ( id = BASICTYPE_BOOLEAN; id != ASNTYPE_END ; id++ ) {
+		asntype_to_compType_mapping_tbl[id].ac_comp_type.ct_subtypes = NULL;
+		asntype_to_compType_mapping_tbl[id].ac_comp_type.ct_syntax =  NULL;
+
+		/* Equality Matching Rule */
+		if ( asntype_to_compMR_mapping_tbl[id].atc_equality ) {
+			mr.bv_val = asntype_to_compMR_mapping_tbl[id].atc_equality;
+			mr.bv_len = strlen(asntype_to_compMR_mapping_tbl[id].atc_equality);
+			asntype_to_compType_mapping_tbl[id].ac_comp_type.ct_equality = mr_bvfind( &mr );
+		}
+		/* Approx Matching Rule */
+		if ( asntype_to_compMR_mapping_tbl[id].atc_approx ) {
+			mr.bv_val = asntype_to_compMR_mapping_tbl[id].atc_approx;
+			mr.bv_len = strlen(asntype_to_compMR_mapping_tbl[id].atc_approx);
+			asntype_to_compType_mapping_tbl[id].ac_comp_type.ct_approx = mr_bvfind( &mr );
+		}
+
+		/* Ordering Matching Rule */
+		if ( asntype_to_compMR_mapping_tbl[id].atc_ordering ) {
+			mr.bv_val = asntype_to_compMR_mapping_tbl[id].atc_ordering;
+			mr.bv_len = strlen(asntype_to_compMR_mapping_tbl[id].atc_ordering);
+			asntype_to_compType_mapping_tbl[id].ac_comp_type.ct_ordering= mr_bvfind( &mr );
+		}
+
+		/* Substr Matching Rule */
+		if ( asntype_to_compMR_mapping_tbl[id].atc_substr ) {
+			mr.bv_val = asntype_to_compMR_mapping_tbl[id].atc_substr;
+			mr.bv_len = strlen(asntype_to_compMR_mapping_tbl[id].atc_substr);
+			asntype_to_compType_mapping_tbl[id].ac_comp_type.ct_substr = mr_bvfind( &mr );
+		}
+		/* Syntax */
+
+		asn_to_syn = &asn_to_syntax_mapping_tbl[ id ];
+		if ( asn_to_syn->ats_syn_oid )
+			syn = syn_find ( asn_to_syn->ats_syn_oid );
+		else 
+			syn = NULL;
+		asntype_to_compType_mapping_tbl[id].ac_comp_type.ct_syntax = syn;
+
+		/* Initialize Component Descriptions of primitive ASN.1 types */
+		asntype_to_compdesc_mapping_tbl[id].atcd_cd.cd_comp_type = (AttributeType*)&asntype_to_compType_mapping_tbl[id].ac_comp_type;
+	}
+}
+
+MatchingRule*
+retrieve_matching_rule( char* mr_oid, AsnTypeId type ) {
+	char* tmp;
+	struct berval mr_name = BER_BVNULL;
+	AsnTypetoMatchingRuleTable* atmr;
+
+	for ( atmr = gATMR_table ; atmr ; atmr = atmr->atmr_table_next ) {
+		if ( strcmp( atmr->atmr_oid, mr_oid ) == 0 ) {
+			tmp = atmr->atmr_table[type].atmr_mr_name;
+			if ( tmp ) {
+				mr_name.bv_val = tmp;
+				mr_name.bv_len = strlen( tmp );
+				return mr_bvfind ( &mr_name );
+			}
+		}
+	}
+	return (MatchingRule*)NULL;
+}
+
+void* 
+comp_convert_attr_to_comp LDAP_P (( Attribute* a, Syntax *syn, struct berval* bv ))
+{
+	char* peek_head;
+        int mode, bytesDecoded, size, rc;
+        void* component;
+	char* oid = a->a_desc->ad_type->sat_atype.at_oid ;
+        GenBuf* b = NULL;
+        ExpBuf* buf = NULL;
+	OidDecoderMapping* odm;
+	
+	/* look for the decoder registered for the given attribute */
+	odm = RetrieveOidDecoderMappingbyOid( oid, strlen(oid) );
+
+	if ( !odm || (!odm->BER_Decode && !odm->GSER_Decode) )
+		return (void*)NULL;
+
+	buf = ExpBufAllocBuf();
+	ExpBuftoGenBuf( buf, &b );
+	ExpBufInstallDataInBuf ( buf, bv->bv_val, bv->bv_len );
+	BufResetInReadMode( b );
+
+	mode = DEC_ALLOC_MODE_2;
+	/*
+	 * How can we decide which decoder will be called, GSER or BER?
+	 * Currently BER decoder is called for a certificate.
+	 * The flag of Attribute will say something about it in the future
+	 */
+	if ( syn && slap_syntax_is_ber ( syn ) ) {
+#if 0
+		rc =BDecComponentTop(odm->BER_Decode, a->a_comp_data->cd_mem_op, b, 0,0, &component,&bytesDecoded,mode ) ;
+#endif
+		rc = odm->BER_Decode ( a->a_comp_data->cd_mem_op, b, (ComponentSyntaxInfo*)&component, &bytesDecoded, mode );
+	}
+	else {
+		rc = odm->GSER_Decode( a->a_comp_data->cd_mem_op, b, (ComponentSyntaxInfo**)component, &bytesDecoded, mode);
+	}
+
+	ExpBufFreeBuf( buf );
+	GenBufFreeBuf( b );
+	if ( rc == -1 ) {
+#if 0
+		ShutdownNibbleMemLocal ( a->a_comp_data->cd_mem_op );
+		free ( a->a_comp_data );
+		a->a_comp_data = NULL;
+#endif
+		return (void*)NULL;
+	}
+	else {
+		return component;
+	}
+}
+
+#include <nibble-alloc.h>
+void
+comp_free_component ( void* mem_op ) {
+	ShutdownNibbleMemLocal( (NibbleMem*)mem_op );
+	return;
+}
+
+void
+comp_convert_assert_to_comp (
+	void* mem_op,
+	ComponentSyntaxInfo *csi_attr,
+	struct berval* bv,
+	ComponentSyntaxInfo** csi, int* len, int mode )
+{
+	int rc;
+	GenBuf* genBuf;
+	ExpBuf* buf;
+	gser_decoder_func *decoder = csi_attr->csi_comp_desc->cd_gser_decoder;
+
+	buf = ExpBufAllocBuf();
+	ExpBuftoGenBuf( buf, &genBuf );
+	ExpBufInstallDataInBuf ( buf, bv->bv_val, bv->bv_len );
+	BufResetInReadMode( genBuf );
+
+	if ( csi_attr->csi_comp_desc->cd_type_id == BASICTYPE_ANY )
+		decoder = ((ComponentAny*)csi_attr)->cai->GSER_Decode;
+
+	rc = (*decoder)( mem_op, genBuf, csi, len, mode );
+	ExpBufFreeBuf ( buf );
+	GenBufFreeBuf( genBuf );
+}
+
+int intToAscii( int value, char* buf ) {
+	int minus=0,i,temp;
+	int total_num_digits;
+
+	if ( value == 0 ){
+		buf[0] = '0';
+		return 1;
+	}
+
+	if ( value < 0 ){
+		minus = 1;
+		value = value*(-1);
+		buf[0] = '-';
+	}
+	
+	/* How many digits */
+	for ( temp = value, total_num_digits=0 ; temp ; total_num_digits++ )
+		temp = temp/10;
+
+	total_num_digits += minus;
+
+	for ( i = minus ; value ; i++ ) {
+		buf[ total_num_digits - i - 1 ]= (char)(value%10 + '0');
+		value = value/10;
+	}
+	return i;
+}
+
+int
+comp_convert_asn_to_ldap ( MatchingRule* mr, ComponentSyntaxInfo* csi, struct berval* bv, int *allocated )
+{
+	int rc;
+	struct berval prettied;
+	Syntax* syn;
+
+	AsnTypetoSyntax* asn_to_syn =
+		&asn_to_syntax_mapping_tbl[csi->csi_comp_desc->cd_type_id];
+	if ( asn_to_syn->ats_syn_oid )
+		csi->csi_syntax = syn_find ( asn_to_syn->ats_syn_oid );
+	else 
+		csi->csi_syntax = NULL;
+
+
+        switch ( csi->csi_comp_desc->cd_type_id ) {
+          case BASICTYPE_BOOLEAN :
+		bv->bv_val = (char*)malloc( 5 );
+		*allocated = 1;
+		bv->bv_len = 5;
+		if ( ((ComponentBool*)csi)->value > 0 ) {
+			strcpy ( bv->bv_val , "TRUE" );
+			bv->bv_len = 4;
+		}
+		else {
+			strcpy ( bv->bv_val , "FALSE" );
+			bv->bv_len = 5;
+		}
+                break ;
+          case BASICTYPE_NULL :
+                bv->bv_len = 0;
+                break;
+          case BASICTYPE_INTEGER :
+		bv->bv_val = (char*)malloc( INITIAL_ATTR_SIZE );
+		*allocated = 1;
+		bv->bv_len = INITIAL_ATTR_SIZE;
+		bv->bv_len = intToAscii(((ComponentInt*)csi)->value, bv->bv_val );
+		if ( bv->bv_len <= 0 )
+			return LDAP_INVALID_SYNTAX;
+                break;
+          case BASICTYPE_REAL :
+		return LDAP_INVALID_SYNTAX;
+          case BASICTYPE_ENUMERATED :
+		bv->bv_val = (char*)malloc( INITIAL_ATTR_SIZE );
+		*allocated = 1;
+		bv->bv_len = INITIAL_ATTR_SIZE;
+		bv->bv_len = intToAscii(((ComponentEnum*)csi)->value, bv->bv_val );
+		if ( bv->bv_len <= 0 )
+			return LDAP_INVALID_SYNTAX;
+                break;
+          case BASICTYPE_OID :
+          case BASICTYPE_OCTETSTRING :
+          case BASICTYPE_BITSTRING :
+          case BASICTYPE_NUMERIC_STR :
+          case BASICTYPE_PRINTABLE_STR :
+          case BASICTYPE_UNIVERSAL_STR :
+          case BASICTYPE_IA5_STR :
+          case BASICTYPE_BMP_STR :
+          case BASICTYPE_UTF8_STR :
+          case BASICTYPE_UTCTIME :
+          case BASICTYPE_GENERALIZEDTIME :
+          case BASICTYPE_GRAPHIC_STR :
+          case BASICTYPE_VISIBLE_STR :
+          case BASICTYPE_GENERAL_STR :
+          case BASICTYPE_OBJECTDESCRIPTOR :
+          case BASICTYPE_VIDEOTEX_STR :
+          case BASICTYPE_T61_STR :
+          case BASICTYPE_OCTETCONTAINING :
+          case BASICTYPE_BITCONTAINING :
+          case BASICTYPE_RELATIVE_OID :
+		bv->bv_val = ((ComponentOcts*)csi)->value.octs;
+		bv->bv_len = ((ComponentOcts*)csi)->value.octetLen;
+                break;
+	  case BASICTYPE_ANY :
+		csi = ((ComponentAny*)csi)->value;
+		if ( csi->csi_comp_desc->cd_type != ASN_BASIC ||
+			csi->csi_comp_desc->cd_type_id == BASICTYPE_ANY )
+			return LDAP_INVALID_SYNTAX;
+		return comp_convert_asn_to_ldap( mr, csi, bv, allocated );
+          case COMPOSITE_ASN1_TYPE :
+		break;
+          case RDNSequence :
+		/*dnMatch*/
+		if( strncmp( mr->smr_mrule.mr_oid, DN_MATCH_OID, strlen(DN_MATCH_OID) ) != 0 )
+			return LDAP_INVALID_SYNTAX;
+		*allocated = 1;
+		rc = ConvertRDNSequence2RFC2253( (irRDNSequence*)csi, bv );
+		if ( rc != LDAP_SUCCESS ) return rc;
+		break;
+          case RelativeDistinguishedName :
+		/*rdnMatch*/
+		if( strncmp( mr->smr_mrule.mr_oid, RDN_MATCH_OID, strlen(RDN_MATCH_OID) ) != 0 )
+			return LDAP_INVALID_SYNTAX;
+		*allocated = 1;
+		rc = ConvertRDN2RFC2253((irRelativeDistinguishedName*)csi,bv);
+		if ( rc != LDAP_SUCCESS ) return rc;
+		break;
+          case TelephoneNumber :
+          case FacsimileTelephoneNumber__telephoneNumber :
+		break;
+          case DirectoryString :
+		return LDAP_INVALID_SYNTAX;
+          case ASN_COMP_CERTIFICATE :
+          case ASNTYPE_END :
+		break;
+          default :
+                /*Only ASN Basic Type can be converted into LDAP string*/
+		return LDAP_INVALID_SYNTAX;
+        }
+
+	if ( csi->csi_syntax ) {
+		if ( csi->csi_syntax->ssyn_validate ) {
+ 			rc = csi->csi_syntax->ssyn_validate(csi->csi_syntax, bv);
+			if ( rc != LDAP_SUCCESS )
+				return LDAP_INVALID_SYNTAX;
+		}
+		if ( csi->csi_syntax->ssyn_pretty ) {
+			rc = csi->csi_syntax->ssyn_pretty(csi->csi_syntax, bv, &prettied , NULL );
+			if ( rc != LDAP_SUCCESS )
+				return LDAP_INVALID_SYNTAX;
+#if 0
+			free ( bv->bv_val );/*potential memory leak?*/
+#endif
+			bv->bv_val = prettied.bv_val;
+			bv->bv_len = prettied.bv_len;
+		}
+	}
+
+	return LDAP_SUCCESS;
+}
+
+/*
+ * If <all> type component referenced is used
+ * more than one component will be tested
+ */
+#define IS_TERMINAL_COMPREF(cr) (cr->cr_curr->ci_next == NULL)
+int
+comp_test_all_components (
+	void* attr_mem_op,
+	void* assert_mem_op,
+	ComponentSyntaxInfo *csi_attr,
+	ComponentAssertion* ca )
+{
+	int rc;
+	ComponentSyntaxInfo *csi_temp = NULL, *csi_assert = NULL, *comp_elmt = NULL;
+	ComponentReference *cr = ca->ca_comp_ref;
+	struct berval *ca_val = &ca->ca_ma_value;
+
+	switch ( cr->cr_curr->ci_type ) {
+	    case LDAP_COMPREF_ALL:
+		if ( IS_TERMINAL_COMPREF(cr) ) {
+			FOR_EACH_LIST_ELMT( comp_elmt, &((ComponentList*)csi_attr)->comp_list )
+			{
+				rc = comp_test_one_component( attr_mem_op, assert_mem_op, comp_elmt, ca );
+				if ( rc == LDAP_COMPARE_TRUE ) {
+					break;
+				}
+			}
+		} else {
+			ComponentId *start_compid = ca->ca_comp_ref->cr_curr->ci_next;
+			FOR_EACH_LIST_ELMT( comp_elmt, &((ComponentList*)csi_attr)->comp_list )
+			{
+				cr->cr_curr = start_compid;
+				rc = comp_test_components ( attr_mem_op, assert_mem_op, comp_elmt, ca );
+				if ( rc != LDAP_COMPARE_FALSE ) {
+					break;
+				}
+#if 0				
+				if ( rc == LDAP_COMPARE_TRUE ) {
+					break;
+				}
+#endif
+			}
+		}
+		break;
+	    case LDAP_COMPREF_CONTENT:
+	    case LDAP_COMPREF_SELECT:
+	    case LDAP_COMPREF_DEFINED:
+	    case LDAP_COMPREF_UNDEFINED:
+	    case LDAP_COMPREF_IDENTIFIER:
+	    case LDAP_COMPREF_FROM_BEGINNING:
+	    case LDAP_COMPREF_FROM_END:
+	    case LDAP_COMPREF_COUNT:
+		rc = LDAP_OPERATIONS_ERROR;
+		break;
+	    default:
+		rc = LDAP_OPERATIONS_ERROR;
+	}
+	return rc;
+}
+
+void
+eat_bv_whsp ( struct berval* in )
+{
+	char* end = in->bv_val + in->bv_len;
+        for ( ; ( *in->bv_val == ' ' ) && ( in->bv_val < end ) ; ) {
+                in->bv_val++;
+        }
+}
+
+/*
+ * Perform matching one referenced component against assertion
+ * If the matching rule in a component filter is allComponentsMatch
+ * or its derivatives the extracted component's ASN.1 specification
+ * is applied to the assertion value as its syntax
+ * Otherwise, the matching rule's syntax is applied to the assertion value
+ * By RFC 3687
+ */
+int
+comp_test_one_component (
+	void* attr_mem_op,
+	void* assert_mem_op,
+	ComponentSyntaxInfo *csi_attr,
+	ComponentAssertion *ca )
+{
+	int len, rc;
+	ComponentSyntaxInfo *csi_assert = NULL;
+	char* oid = NULL;
+	MatchingRule* mr = ca->ca_ma_rule;
+
+	if ( mr->smr_usage & SLAP_MR_COMPONENT ) {
+		/* If allComponentsMatch or its derivatives */
+		if ( !ca->ca_comp_data.cd_tree ) {
+			comp_convert_assert_to_comp( assert_mem_op, csi_attr, &ca->ca_ma_value, &csi_assert, &len, DEC_ALLOC_MODE_0 );
+			ca->ca_comp_data.cd_tree = (void*)csi_assert;
+		} else {
+			csi_assert = ca->ca_comp_data.cd_tree;
+		}
+
+		if ( !csi_assert )
+			return LDAP_PROTOCOL_ERROR;
+
+		if ( strcmp( mr->smr_mrule.mr_oid, OID_ALL_COMP_MATCH ) != 0 )
+                {
+                        /* allComponentMatch's derivatives */
+			oid =  mr->smr_mrule.mr_oid;
+                }
+                        return csi_attr->csi_comp_desc->cd_all_match(
+                               			 oid, csi_attr, csi_assert );
+
+	} else {
+		/* LDAP existing matching rules */
+		struct berval attr_bv = BER_BVNULL;
+		struct berval n_attr_bv = BER_BVNULL;
+		struct berval* assert_bv = &ca->ca_ma_value;
+		int allocated = 0;
+		/*Attribute is converted to compatible LDAP encodings*/
+		if ( comp_convert_asn_to_ldap( mr, csi_attr, &attr_bv, &allocated ) != LDAP_SUCCESS )
+			return LDAP_INAPPROPRIATE_MATCHING;
+		/* extracted component value is not normalized */
+		if ( ca->ca_ma_rule->smr_normalize ) {
+			rc = ca->ca_ma_rule->smr_normalize (
+				SLAP_MR_VALUE_OF_ASSERTION_SYNTAX,
+				NULL, ca->ca_ma_rule,
+				&attr_bv, &n_attr_bv, NULL );
+			if ( rc != LDAP_SUCCESS )
+				return rc;
+			if ( allocated && attr_bv.bv_val )
+				free (attr_bv.bv_val);
+		} else {
+			n_attr_bv = attr_bv;
+		}
+#if 0
+		/*Assertion value is validated by MR's syntax*/
+		if ( !ca->ca_comp_data.cd_tree ) {
+			ca->ca_comp_data.cd_tree = assert_bv;
+		}
+		else {
+			assert_bv = ca->ca_comp_data.cd_tree;
+		}
+#endif
+		if ( !n_attr_bv.bv_val )
+			return LDAP_COMPARE_FALSE;
+		rc = csi_value_match( mr, &n_attr_bv, assert_bv );
+		if ( n_attr_bv.bv_val )
+			free ( n_attr_bv.bv_val );
+		return rc;
+	}
+}
+
+int
+comp_test_components( void* attr_nm, void* assert_nm, ComponentSyntaxInfo* csi_attr, ComponentAssertion* ca) {
+	char* peek_head;
+	int mode, bytesDecoded = 0, rc;
+	GenBuf* b;
+	ExpBuf* buf;
+	OidDecoderMapping* odm;
+	struct berval bv;
+	char oid[MAX_OID_LEN];
+	void* contained_comp, *anytype_comp;
+	ComponentReference* cr = ca->ca_comp_ref;
+
+	if ( !cr )
+		return comp_test_one_component ( attr_nm, assert_nm, csi_attr, ca );
+	/* Extracting the component referenced by ca->ca_comp_ref */
+	csi_attr = (ComponentSyntaxInfo*)csi_attr->csi_comp_desc->cd_extract_i( attr_nm, cr, csi_attr );
+	if ( !csi_attr ) return LDAP_INVALID_SYNTAX;
+	/* perform matching, considering the type of a Component Reference(CR)*/
+	switch( cr->cr_curr->ci_type ) {
+	   case LDAP_COMPREF_IDENTIFIER:
+	   case LDAP_COMPREF_FROM_BEGINNING:
+	   case LDAP_COMPREF_FROM_END:
+	   case LDAP_COMPREF_COUNT:
+		/*
+		 * Exactly one component is referenced
+		 * Fast Path for matching for this case
+		 */
+		rc = comp_test_one_component ( attr_nm, assert_nm, csi_attr, ca );
+		break;
+	   case LDAP_COMPREF_ALL:
+		/*
+		 * If <all> type CR is used
+		 * more than one component will be tested
+		 */
+		rc = comp_test_all_components ( attr_nm, assert_nm, csi_attr, ca );
+		break;
+
+	   case LDAP_COMPREF_CONTENT:
+		/*
+		 * <content> type CR is used
+		 * check if it is followed by <select> type CR.
+		 * 1) If so, look up the corresponding decoder  in the mapping
+		 * table(OID to decoder) by <select>
+		 * and then decode the OCTET/BIT STRING with the decoder
+		 * Finally, extract the target component with the remaining CR.
+		 * 2) If not, just return the current component, It SHOULD not be
+		 * extracted further, because the component MUST be BIT/OCTET
+                 * string.
+                 */
+
+		cr->cr_curr = cr->cr_curr->ci_next;
+		if ( !cr->cr_curr ) {
+			/* case 2) in above description */
+			rc = comp_test_one_component ( attr_nm, assert_nm, csi_attr, ca );
+			break;
+		}
+
+		if ( cr->cr_curr->ci_type == LDAP_COMPREF_SELECT ) {
+			/* Look up OID mapping table */	
+			odm = RetrieveOidDecoderMappingbyBV( &cr->cr_curr->ci_val.ci_select_value );
+			
+			if ( !odm || !odm->BER_Decode )
+				return  LDAP_PROTOCOL_ERROR;
+
+			/* current component MUST be either BIT or OCTET STRING */
+			if ( csi_attr->csi_comp_desc->cd_type_id != BASICTYPE_BITSTRING ) {
+				bv.bv_val = ((ComponentBits*)csi_attr)->value.bits;
+				bv.bv_len = ((ComponentBits*)csi_attr)->value.bitLen;
+			}
+			else if ( csi_attr->csi_comp_desc->cd_type_id != BASICTYPE_BITSTRING ) {
+				bv.bv_val = ((ComponentOcts*)csi_attr)->value.octs;
+				bv.bv_len = ((ComponentOcts*)csi_attr)->value.octetLen;
+			}
+			else
+				return LDAP_PROTOCOL_ERROR;
+
+			buf = ExpBufAllocBuf();
+			ExpBuftoGenBuf( buf, &b );
+			ExpBufInstallDataInBuf ( buf, bv.bv_val, bv.bv_len );
+			BufResetInReadMode( b );
+			mode = DEC_ALLOC_MODE_2;
+
+			/* Try to decode with BER/DER decoder */
+			rc = odm->BER_Decode ( attr_nm, b, (ComponentSyntaxInfo*)&contained_comp, &bytesDecoded, mode );
+
+			ExpBufFreeBuf( buf );
+			GenBufFreeBuf( b );
+
+			if ( rc != LDAP_SUCCESS ) return LDAP_PROTOCOL_ERROR;
+
+			/* xxx.content.(x.xy.xyz).rfc822Name */
+			/* In the aboe Ex. move CR to the right to (x.xy.xyz)*/
+			cr->cr_curr = cr->cr_curr->ci_next;
+			if (!cr->cr_curr )
+				rc = comp_test_one_component ( attr_nm, assert_nm, csi_attr, ca );
+			else
+				rc = comp_test_components( attr_nm, assert_nm, contained_comp, ca );
+		}
+		else {
+			/* Invalid Component reference */
+			rc = LDAP_PROTOCOL_ERROR;
+		}
+		break;
+	   case LDAP_COMPREF_SELECT:
+		if (csi_attr->csi_comp_desc->cd_type_id != BASICTYPE_ANY )
+			return LDAP_INVALID_SYNTAX;
+		rc = CheckSelectTypeCorrect( attr_nm, ((ComponentAny*)csi_attr)->cai, &cr->cr_curr->ci_val.ci_select_value );
+		if ( rc < 0 ) return LDAP_INVALID_SYNTAX;
+
+		/* point to the real component, not any type component */
+		csi_attr = ((ComponentAny*)csi_attr)->value;
+		cr->cr_curr = cr->cr_curr->ci_next;
+		if ( cr->cr_curr )
+			rc =  comp_test_components( attr_nm, assert_nm, csi_attr, ca);
+		else
+			rc =  comp_test_one_component( attr_nm, assert_nm, csi_attr, ca);
+		break;
+	   default:
+		rc = LDAP_INVALID_SYNTAX;
+	}
+	return rc;
+}
+
+
+void*
+comp_nibble_memory_allocator ( int init_mem, int inc_mem ) {
+	void* nm;
+	nm = (void*)InitNibbleMemLocal( (unsigned long)init_mem, (unsigned long)inc_mem );
+	if ( !nm ) return NULL;
+	else return (void*)nm;
+}
+
+void
+comp_nibble_memory_free ( void* nm ) {
+	ShutdownNibbleMemLocal( nm );
+}
+
+void*
+comp_get_component_description ( int id ) {
+	if ( asntype_to_compdesc_mapping_tbl[id].atcd_typeId == id )
+		return &asntype_to_compdesc_mapping_tbl[id].atcd_cd;
+	else
+		return NULL;
+}
+
+int
+comp_component_encoder ( void* mem_op, ComponentSyntaxInfo* csi , struct berval* nval ) {
+        int size, rc;
+        GenBuf* b;
+        ExpBuf* buf;
+	struct berval bv;
+	
+	buf = ExpBufAllocBufAndData();
+	ExpBufResetInWriteRvsMode(buf);
+	ExpBuftoGenBuf( buf, &b );
+
+	if ( !csi->csi_comp_desc->cd_gser_encoder && !csi->csi_comp_desc->cd_ldap_encoder )
+		return (-1);
+
+	/*
+	 * if an LDAP specific encoder is provided :
+	 * dn and rdn have their LDAP specific encoder
+	 */
+	if ( csi->csi_comp_desc->cd_ldap_encoder ) {
+		rc = csi->csi_comp_desc->cd_ldap_encoder( csi, &bv );
+		if ( rc != LDAP_SUCCESS )
+			return rc;
+		if ( mem_op )
+			nval->bv_val = CompAlloc( mem_op, bv.bv_len );
+		else
+			nval->bv_val = malloc( size );
+		memcpy( nval->bv_val, bv.bv_val, bv.bv_len );
+		nval->bv_len = bv.bv_len;
+		/*
+		 * This free will be eliminated by making ldap_encoder
+		 * use nibble memory in it 
+		 */
+		free ( bv.bv_val );
+		GenBufFreeBuf( b );
+		BufFreeBuf( buf );
+		return LDAP_SUCCESS;
+	}
+
+	rc = csi->csi_comp_desc->cd_gser_encoder( b, csi );
+	if ( rc < 0 ) {
+		GenBufFreeBuf( b );
+		BufFreeBuf( buf );
+		return rc;
+	}
+
+	size = ExpBufDataSize( buf );
+	if ( size > 0 ) {
+		if ( mem_op )
+			nval->bv_val = CompAlloc ( mem_op, size );
+		else
+			nval->bv_val = malloc( size );
+		nval->bv_len = size;
+		BufResetInReadMode(b);
+		BufCopy( nval->bv_val, b, size );
+	}
+	ExpBufFreeBuf( buf );
+	GenBufFreeBuf( b );
+
+	return LDAP_SUCCESS;
+}
+
+#if SLAPD_COMP_MATCH == SLAPD_MOD_DYNAMIC
+
+#include "certificate.h"
+
+extern convert_attr_to_comp_func* attr_converter;
+extern convert_assert_to_comp_func* assert_converter;
+extern convert_asn_to_ldap_func* csi_converter;
+extern free_component_func* component_destructor;
+extern test_component_func* test_components;
+extern alloc_nibble_func* nibble_mem_allocator;
+extern free_nibble_func* nibble_mem_free;
+extern test_membership_func* is_aliased_attribute;
+extern get_component_info_func* get_component_description;
+extern component_encoder_func* component_encoder;
+
+
+int init_module(int argc, char *argv[]) {
+	/*
+	 * Initialize function pointers in slapd
+	 */
+	attr_converter = (convert_attr_to_comp_func*)comp_convert_attr_to_comp;
+	assert_converter = (convert_assert_to_comp_func*)comp_convert_assert_to_comp;
+	component_destructor = (free_component_func*)comp_free_component;
+	test_components = (test_component_func*)comp_test_components;
+	nibble_mem_allocator = (free_nibble_func*)comp_nibble_memory_allocator;
+	nibble_mem_free = (free_nibble_func*)comp_nibble_memory_free;
+	is_aliased_attribute = (test_membership_func*)comp_is_aliased_attribute;
+	get_component_description = (get_component_info_func*)comp_get_component_description;
+	component_encoder = (component_encoder_func*)comp_component_encoder;
+
+	/* file path needs to be */
+	load_derived_matching_rule ("derived_mr.cfg");
+
+	/* the initialization for example X.509 certificate */
+	init_module_AuthenticationFramework();
+	init_module_AuthorityKeyIdentifierDefinition();
+	init_module_CertificateRevokationList();
+	init_attribute_aliasing_table ();
+	init_component_description_table ();
+	return 0;
+}
+
+#endif /* SLAPD_PASSWD */