componentlib.c

ldap服务器源码

/* Copyright 2004 IBM Corporation
 * All rights reserved.
 * Redisribution and use in source and binary forms, with or without
 * modification, are permitted only as authorizd by the OpenLADP
 * Public License.
 */
/* ACKNOWLEDGEMENTS
 * This work originally developed by Sang Seok Lim
 * 2004/06/18	03:20:00	[e-mail]
 */

#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 <stdlib.h>

#include <string.h>

#ifndef SLAPD_COMP_MATCH
#define SLAPD_COMP_MATCH SLAPD_MOD_DYNAMIC
#endif

#ifdef SLAPD_COMP_MATCH
/*
 * Matching function : BIT STRING
 */
int
MatchingComponentBits ( char* oid, ComponentSyntaxInfo *csi_attr,
			ComponentSyntaxInfo *csi_assert )
{
	int rc;
        MatchingRule* mr;
        ComponentBits *a, *b;
                                                                          
        if ( oid ) {
                mr = retrieve_matching_rule(oid, (AsnTypeId)csi_attr->csi_comp_desc->cd_type_id );
                if ( mr )
                        return component_value_match( mr, csi_attr , csi_assert );
        }
        a = ((ComponentBits*)csi_attr);
        b = ((ComponentBits*)csi_assert);
	rc = ( a->value.bitLen == b->value.bitLen && 
		strncmp( a->value.bits,b->value.bits,a->value.bitLen ) == 0 );
        return rc ? LDAP_COMPARE_TRUE:LDAP_COMPARE_FALSE;
}

/*
 * Free function: BIT STRING
 */
void
FreeComponentBits ( ComponentBits* v ) {
	FreeAsnBits( &v->value );
}

/*
 * GSER Encoder : BIT STRING
 */
int
GEncComponentBits ( GenBuf *b, ComponentBits *in )
{
	GAsnBits bits = {0};

	bits.value = in->value;
	if ( !in )
		return (-1);
	return GEncAsnBitsContent ( b, &bits);
}


/*
 * GSER Decoder : BIT STRING
 */
int
GDecComponentBits ( void* mem_op, GenBuf *b, void *v, AsnLen *bytesDecoded, int mode )
{
        char* peek_head;
        int i, strLen;
        void* component_values;
        ComponentBits* k, **k2;
	GAsnBits result;

        k = (ComponentBits*) v;
                                                                          
        if ( mode & DEC_ALLOC_MODE_0 ) {
                k2 = (ComponentBits**) v;
                *k2 = (ComponentBits*) CompAlloc( mem_op, sizeof( ComponentBits ) );
		if ( !*k2 ) return LDAP_DECODING_ERROR;
                k = *k2;
        }
        
	if ( GDecAsnBitsContent ( mem_op, b, &result, bytesDecoded ) < 0 ) {
		if ( k ) CompFree( mem_op,  k );
		return LDAP_DECODING_ERROR;
	}
	k->value = result.value;
	k->comp_desc = get_component_description (BASICTYPE_BITSTRING);

	return LDAP_SUCCESS;
}

/*
 * Component BER Decoder : BIT STRING
 */
int
BDecComponentBitsTag ( void* mem_op, GenBuf *b, void *v, AsnLen *bytesDecoded, int mode ) {
	return BDecComponentBits ( mem_op, b, 0, 0, v, bytesDecoded, mode|CALL_TAG_DECODER );
}

int
BDecComponentBits ( void* mem_op, GenBuf *b, AsnTag tagId, AsnLen len, void *v,
			AsnLen *bytesDecoded, int mode )
{
        char* peek_head;
        int i, strLen, rc;
        void* component_values;
        ComponentBits* k, **k2;
	AsnBits result;
                                                                          
        k = (ComponentBits*) v;
                                                                          
        if ( mode & DEC_ALLOC_MODE_0 ) {
                k2 = (ComponentBits**) v;
                *k2 = (ComponentBits*) CompAlloc( mem_op, sizeof( ComponentBits ) );
		if ( !*k2 ) return LDAP_DECODING_ERROR;
                k = *k2;
        }
        
	if ( mode & CALL_TAG_DECODER ){
		mode = mode & CALL_CONTENT_DECODER;
		rc = BDecAsnBits ( mem_op, b, &result, bytesDecoded );
	} else {
		rc = BDecAsnBitsContent ( mem_op, b, tagId, len, &result, bytesDecoded );
	}

	if ( rc < 0 ) {
		if ( k ) CompFree( mem_op,  k );
		return LDAP_DECODING_ERROR;
	}

	k->value = result;
	k->comp_desc = get_component_description (BASICTYPE_BITSTRING);
 
	return LDAP_SUCCESS;
}

/*
 * Component GSER BMPString Encoder
 */
int
GEncComponentBMPString ( GenBuf *b, ComponentBMPString *in )
{
	GBMPString t = {0};

	if ( !in || in->value.octetLen <= 0 )
		return (-1);
	t.value = in->value;
	return GEncBMPStringContent ( b, &t );
}

/*
 * Component GSER BMPString Decoder
 */
int
GDecComponentBMPString ( void* mem_op, GenBuf *b, void *v, AsnLen *bytesDecoded, int mode)
{
        char* peek_head;
        int i, strLen;
        void* component_values;
        ComponentBMPString* k, **k2;
	GBMPString result;
                                                                          
        k = (ComponentBMPString*) v;
                                                                          
        if ( mode & DEC_ALLOC_MODE_0 ) {
                k2 = (ComponentBMPString**) v;
                *k2 = (ComponentBMPString*) CompAlloc( mem_op, sizeof( ComponentBMPString ) );
		if ( !*k2 ) return LDAP_DECODING_ERROR;
                k = *k2;
        }

        *bytesDecoded = 0;

	if ( GDecBMPStringContent ( mem_op, b, &result, bytesDecoded ) < 0 ) {
		if ( k ) CompFree( mem_op, k );
		return LDAP_DECODING_ERROR;
	}

	k->value = result.value;
	k->comp_desc = get_component_description (BASICTYPE_BMP_STR);
 
	return LDAP_SUCCESS;

}

/*
 * Component BER BMPString Decoder
 */
int
BDecComponentBMPStringTag ( void* mem_op, GenBuf *b, void *v, AsnLen *bytesDecoded, int mode ) {
	return BDecComponentBMPString ( mem_op, b, 0, 0, v, bytesDecoded, mode|CALL_TAG_DECODER );
}

int
BDecComponentBMPString ( void* mem_op, GenBuf *b, AsnTag tagId, AsnLen len, void *v,
			AsnLen *bytesDecoded, int mode )
{
        char* peek_head;
        int i, strLen, rc;
        void* component_values;
        ComponentBMPString* k, **k2;
	BMPString result;
                                                                          
        k = (ComponentBMPString*) v;
                                                                          
        if ( mode & DEC_ALLOC_MODE_0 ) {
                k2 = (ComponentBMPString**) v;
                *k2 = (ComponentBMPString*) CompAlloc( mem_op, sizeof( ComponentBMPString ) );
		if ( !*k2 ) return LDAP_DECODING_ERROR;
                k = *k2;
        }

	if ( mode & CALL_TAG_DECODER ){
		mode = mode & CALL_CONTENT_DECODER;
		rc = BDecBMPString ( mem_op, b, &result, bytesDecoded );
	} else {
		rc = BDecBMPStringContent ( mem_op, b, tagId, len, &result, bytesDecoded );
	}

	if ( rc < 0 ) {
		if ( k ) CompFree( mem_op, k );
		return LDAP_DECODING_ERROR;
	}

	k->value = result;
	k->comp_desc = get_component_description (BASICTYPE_BMP_STR);
 
	return LDAP_SUCCESS;

}

/*
 * Component GSER Encoder : UTF8 String
 */
int
GEncComponentUTF8String ( GenBuf *b, ComponentUTF8String *in )
{
	GUTF8String t = {0};
	if ( !in || in->value.octetLen <= 0 )
		return (-1);
	t.value = in->value;
	return GEncUTF8StringContent ( b, &t );
}

/*
 * Component GSER Decoder :  UTF8 String
 */
int
GDecComponentUTF8String ( void* mem_op, GenBuf *b, void *v,
				AsnLen *bytesDecoded, int mode) {
        char* peek_head;
        int i, strLen;
        void* component_values;
        ComponentUTF8String* k, **k2;
	GUTF8String result;
                                                                          
        k = (ComponentUTF8String*) v;
                                                                          
        if ( mode & DEC_ALLOC_MODE_0 ) {
                k2 = (ComponentUTF8String**) v;
                *k2 = (ComponentUTF8String*)CompAlloc( mem_op, sizeof( ComponentUTF8String ) );
		if ( !*k2 ) return LDAP_DECODING_ERROR;
                k = *k2;
        }

        *bytesDecoded = 0;

	if ( GDecUTF8StringContent ( mem_op, b, &result, bytesDecoded ) < 0 ) {
		if ( k ) CompFree( mem_op,  k );
		return LDAP_DECODING_ERROR;
	}
	
	k->value = result.value;
	k->comp_desc = get_component_description (BASICTYPE_UTF8_STR);
 
	return LDAP_SUCCESS;
}

/*
 * Component BER Decoder : UTF8String
 */
int
BDecComponentUTF8StringTag ( void* mem_op, GenBuf *b, void *v, AsnLen *bytesDecoded, int mode ) {
	return BDecComponentUTF8String ( mem_op, b, 0, 0, v, bytesDecoded, mode|CALL_TAG_DECODER );
}

int
BDecComponentUTF8String ( void* mem_op, GenBuf *b, AsnTag tagId, AsnLen len,
				void *v, AsnLen *bytesDecoded, int mode )
{
        char* peek_head;
        int i, strLen, rc;
        void* component_values;
        ComponentUTF8String* k, **k2;
	UTF8String result;
                                                                          
        k = (ComponentUTF8String*) v;
                                                                          
        if ( mode & DEC_ALLOC_MODE_0 ) {
                k2 = (ComponentUTF8String**) v;
                *k2 = (ComponentUTF8String*) CompAlloc( mem_op, sizeof( ComponentUTF8String ) );
		if ( !*k2 ) return LDAP_DECODING_ERROR;
                k = *k2;
        }
	
	if ( mode & CALL_TAG_DECODER ){
		mode = mode & CALL_CONTENT_DECODER;
		rc = BDecUTF8String ( mem_op, b, &result, bytesDecoded );
	} else {
		rc = BDecUTF8StringContent ( mem_op, b, tagId, len, &result, bytesDecoded );
	}
	if ( rc < 0 ) {
		if ( k ) CompFree( mem_op,  k );
		return LDAP_DECODING_ERROR;
	}

	k->value = result;
	k->comp_desc = get_component_description (BASICTYPE_UTF8_STR);

	return LDAP_SUCCESS;
}

/*
 * Component GSER Encoder :  Teletex String
 */
int
GEncComponentTeletexString ( GenBuf *b, ComponentTeletexString *in )
{
	GTeletexString t = {0};

	if ( !in || in->value.octetLen <= 0 )
		return (-1);
	t.value = in->value;
	return GEncTeletexStringContent ( b, &t );
}

/*
 * Component GSER Decoder :  Teletex String
 */
int
GDecComponentTeletexString  ( void* mem_op, GenBuf *b, void *v,
					AsnLen *bytesDecoded, int mode) {
        char* peek_head;
        int i, strLen;
        void* component_values;
        ComponentTeletexString* k, **k2;
	GTeletexString result;
                                                                          
        k = (ComponentTeletexString*) v;
                                                                          
        if ( mode & DEC_ALLOC_MODE_0 ) {
                k2 = (ComponentTeletexString**) v;
                *k2 = (ComponentTeletexString*)CompAlloc( mem_op, sizeof( ComponentTeletexString ) );
		if ( !*k2 ) return LDAP_DECODING_ERROR;
                k = *k2;
        }

        *bytesDecoded = 0;

	if ( GDecTeletexStringContent ( mem_op, b, &result, bytesDecoded ) < 0 ) {
		if ( k ) CompFree( mem_op,  k );
		return LDAP_DECODING_ERROR;
	}

	k->value = result.value;
	k->comp_desc = get_component_description (BASICTYPE_VIDEOTEX_STR);
 
	return LDAP_SUCCESS;
}


/*
 * Matching function : BOOLEAN
 */
int
MatchingComponentBool(char* oid, ComponentSyntaxInfo* csi_attr,
                        ComponentSyntaxInfo* csi_assert )
{
        MatchingRule* mr;
        ComponentBool *a, *b;
                                                                          
        if( oid ) {
                mr = retrieve_matching_rule(oid, csi_attr->csi_comp_desc->cd_type_id );
                if ( mr )
                        return component_value_match( mr, csi_attr , csi_assert );
        }

        a = ((ComponentBool*)csi_attr);
        b = ((ComponentBool*)csi_assert);

        return (a->value == b->value) ? LDAP_COMPARE_TRUE:LDAP_COMPARE_FALSE;
}

/*
 * GSER Encoder : BOOLEAN
 */
int
GEncComponentBool ( GenBuf *b, ComponentBool *in )
{
	GAsnBool t = {0};

	if ( !in )
		return (-1);
	t.value = in->value;
	return GEncAsnBoolContent ( b, &t );
}

/*
 * GSER Decoder : BOOLEAN
 */
int
GDecComponentBool ( void* mem_op, GenBuf *b, void *v, AsnLen *bytesDecoded, int mode )
{
        char* peek_head;
        int i, strLen;
        ComponentBool* k, **k2;
	GAsnBool result;
                                                                          
        k = (ComponentBool*) v;
                                                                          
        if ( mode & DEC_ALLOC_MODE_0 ) {
                k2 = (ComponentBool**) v;