../svn-commit.tmp

1 files changed, 0 insertions, 218 deletions

diff --git a/Source/charon/asn1/der_encoder.c b/Source/charon/asn1/der_encoder.c
deleted file mode 100644
index 669a140ed..000000000
--- a/Source/charon/asn1/der_encoder.c
+++ /dev/null
@@ -1,218 +0,0 @@
-/**
- * @file der_encoder.c
- *
- * @brief Implementation of der_encoder_t.
- */
-
-/*
- * Copyright (C) 2005 Jan Hutter, Martin Willi
- * Hochschule fuer Technik Rapperswil
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
- * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * for more details.
- */
-
-#include <gmp.h>
-
-#include "der_encoder.h"
-
-#include <utils/allocator.h>
-#include <daemon.h>
-
-
-
-typedef struct private_der_encoder_t private_der_encoder_t;
-
-/**
- * Private data of a der_encoder_t object.
- */
-struct private_der_encoder_t {
-	/**
-	 * Public interface for this signer.
-	 */
-	der_encoder_t public;
-	
-	asn1_rule_t *rule;
-	
-	asn1_rule_t *first_rule;
-	
-	void *output;
-	
-	logger_t *logger;
-};
-
-status_t read_hdr(private_der_encoder_t *this, chunk_t *data);
-
-status_t read_sequence(private_der_encoder_t *this, chunk_t data)
-{
-	while (this->rule->type != ASN1_END)
-	{
-		read_hdr(this, &data);
-	}
-	return SUCCESS;
-}
-
-
-status_t read_int(private_der_encoder_t *this, chunk_t data)
-{
-	this->logger->log_chunk(this->logger, CONTROL|LEVEL2, "ASN1_INTEGER", data);
-	u_int *integ = (u_int*)((u_int8_t*)this->output + this->rule->data_offset);
-	
-	*integ = 0;
-	while (data.len-- > 0)
-	{
-		*integ = 256 * (*integ) + *data.ptr++;
-	}
-	return SUCCESS;
-}
-
-status_t read_mpz(private_der_encoder_t *this, chunk_t data)
-{
-	this->logger->log_chunk(this->logger, CONTROL|LEVEL2, "ASN1_INTEGER as mpz", data);
-	mpz_t *mpz = (mpz_t*)((u_int8_t*)this->output + this->rule->data_offset);
-	
-	mpz_import(*mpz, data.len, 1, 1, 1, 0, data.ptr);
-	return SUCCESS;
-}
-
-u_int32_t read_length(chunk_t *data)
-{
-	u_int8_t n;
-	size_t len;
-	
-	/* read first octet of length field */
-	n = *data->ptr++;
-
-	if ((n & 0x80) == 0) 
-	{
-		/* single length octet */
-		return n;
-	}
-	
-	/* composite length, determine number of length octets */
-	n &= 0x7f;
-	
-	if (n > data->len)
-	{
-		/* length longer than available bytes */
-		return -1;
-	}
-	
-	if (n > sizeof(len))
-	{
-		/* larger than size_t can hold */
-		return -1;
-	}
-	
-	len = 0;
-	while (n-- > 0)
-	{
-		len = 256 * len + *data->ptr++;
-	}
-	return len;
-}
-
-status_t read_hdr(private_der_encoder_t *this, chunk_t *data)
-{
-	chunk_t inner;
-	
-	/* advance to the next rule */
-	this->rule++;
-	
-	if (this->rule->type == ASN1_END)
-	{
-		return SUCCESS;
-	}
-	
-	this->logger->log(this->logger, CONTROL|LEVEL2, "reading header of rule %s",
-					  mapping_find(asn1_type_m, this->rule->type));
-	
-	this->logger->log_chunk(this->logger, CONTROL|LEVEL2, "reading from:", *data);
-	
-	/* read type, advance in data */
-	if (*(data->ptr) != this->rule->type)
-	{
-		this->logger->log(this->logger, CONTROL|LEVEL2, "Bad byte found (%x)", *data->ptr);
-		return PARSE_ERROR;
-	}
-	data->ptr++; 
-	data->len--;
-	
-	/* read length, advance in data */
-	inner.len = read_length(data);
-	if (inner.len == -1)
-	{
-		this->logger->log(this->logger, CONTROL|LEVEL2, "Error reading length");
-		return PARSE_ERROR;
-	}
-	this->logger->log(this->logger, CONTROL|LEVEL2, "Length is %d",
-					  inner.len);
-	inner.ptr = data->ptr;
-	
-	/* advance in data */
-	data->ptr += inner.len;
-	data->len -= inner.len;
-	
-	/* process inner */
-	switch (this->rule->type)
-	{
-		case ASN1_INTEGER:
-			if (this->rule->flags & ASN1_MPZ)
-			{
-				read_mpz(this, inner);
-			}
-			else
-			{
-				read_int(this, inner);
-			}
-			break;
-		case ASN1_SEQUENCE:
-			read_sequence(this, inner);
-			break;
-		default:
-			break;
-	}
-	
-	return SUCCESS;
-}
-
-
-
-status_t decode(private_der_encoder_t *this, chunk_t input, void *output)
-{
-	this->rule = this->first_rule - 1;
-	this->output = output;
-	return read_hdr(this, &input);
-}
-
-/**
- * Implementation of der_encoder.destroy.
- */
-static void destroy(private_der_encoder_t *this)
-{
-	allocator_free(this);
-}
-
-/*
- * Described in header.
- */
-der_encoder_t *der_encoder_create(asn1_rule_t *rules)
-{
-	private_der_encoder_t *this = allocator_alloc_thing(private_der_encoder_t);
-	
-	/* public functions */
-	this->public.decode = (status_t (*) (der_encoder_t*,chunk_t,void*))decode;
-	this->public.destroy = (void (*) (der_encoder_t*))destroy;
-	
-	this->first_rule = rules;
-	this->logger = charon->logger_manager->get_logger(charon->logger_manager, DER_DECODER);
-	
-	return &(this->public);
-}