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-rw-r--r--Source/charon/encoding/payloads/transform_substructure.c485
1 files changed, 0 insertions, 485 deletions
diff --git a/Source/charon/encoding/payloads/transform_substructure.c b/Source/charon/encoding/payloads/transform_substructure.c
deleted file mode 100644
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--- a/Source/charon/encoding/payloads/transform_substructure.c
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@@ -1,485 +0,0 @@
-/**
- * @file transform_substructure.h
- *
- * @brief Implementation of transform_substructure_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 <stddef.h>
-
-#include "transform_substructure.h"
-
-#include <encoding/payloads/transform_attribute.h>
-#include <encoding/payloads/encodings.h>
-#include <types.h>
-#include <utils/linked_list.h>
-
-
-typedef struct private_transform_substructure_t private_transform_substructure_t;
-
-/**
- * Private data of an transform_substructure_t object.
- *
- */
-struct private_transform_substructure_t {
- /**
- * Public transform_substructure_t interface.
- */
- transform_substructure_t public;
-
- /**
- * Next payload type.
- */
- u_int8_t next_payload;
-
-
- /**
- * Length of this payload.
- */
- u_int16_t transform_length;
-
-
- /**
- * Type of the transform.
- */
- u_int8_t transform_type;
-
- /**
- * Transform ID.
- */
- u_int16_t transform_id;
-
- /**
- * Transforms Attributes are stored in a linked_list_t.
- */
- linked_list_t *attributes;
-
- /**
- * @brief Computes the length of this substructure.
- *
- * @param this calling private_transform_substructure_t object
- */
- void (*compute_length) (private_transform_substructure_t *this);
-};
-
-
-/**
- * Encoding rules to parse or generate a Transform substructure.
- *
- * The defined offsets are the positions in a object of type
- * private_transform_substructure_t.
- *
- */
-encoding_rule_t transform_substructure_encodings[] = {
- /* 1 Byte next payload type, stored in the field next_payload */
- { U_INT_8, offsetof(private_transform_substructure_t, next_payload) },
- /* Reserved Byte is skipped */
- { RESERVED_BYTE, 0 },
- /* Length of the whole transform substructure*/
- { PAYLOAD_LENGTH, offsetof(private_transform_substructure_t, transform_length) },
- /* transform type is a number of 8 bit */
- { U_INT_8, offsetof(private_transform_substructure_t, transform_type) },
- /* Reserved Byte is skipped */
- { RESERVED_BYTE, 0 },
- /* tranform ID is a number of 8 bit */
- { U_INT_16, offsetof(private_transform_substructure_t, transform_id) },
- /* Attributes are stored in a transform attribute,
- offset points to a linked_list_t pointer */
- { TRANSFORM_ATTRIBUTES, offsetof(private_transform_substructure_t, attributes) }
-};
-
-/*
- 1 2 3
- 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- ! 0 (last) or 3 ! RESERVED ! Transform Length !
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- !Transform Type ! RESERVED ! Transform ID !
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- ! !
- ~ Transform Attributes ~
- ! !
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-*/
-
-
-/**
- * Implementation of payload_t.verify.
- */
-static status_t verify(private_transform_substructure_t *this)
-{
- status_t status = SUCCESS;
- iterator_t *iterator;
-
- if ((this->next_payload != NO_PAYLOAD) && (this->next_payload != 3))
- {
- /* must be 0 or 3 */
- return FAILED;
- }
-
- switch (this->transform_type)
- {
- case ENCRYPTION_ALGORITHM:
- {
- if ((this->transform_id < ENCR_DES_IV64) || (this->transform_id > ENCR_AES_CTR))
- {
- return FAILED;
- }
- break;
- }
- case PSEUDO_RANDOM_FUNCTION:
- {
- if ((this->transform_id < PRF_HMAC_MD5) || (this->transform_id > PRF_AES128_CBC))
- {
- return FAILED;
- }
- break;
- }
- case INTEGRITY_ALGORITHM:
- {
- if ((this->transform_id < AUTH_HMAC_MD5_96) || (this->transform_id > AUTH_AES_XCBC_96))
- {
- return FAILED;
- }
- break;
- }
- case DIFFIE_HELLMAN_GROUP:
- {
- switch (this->transform_id)
- {
- case MODP_768_BIT:
- case MODP_1024_BIT:
- case MODP_1536_BIT:
- case MODP_2048_BIT:
- case MODP_3072_BIT:
- case MODP_4096_BIT:
- case MODP_6144_BIT:
- case MODP_8192_BIT:
- {
- break;
- }
- default:
- {
- return FAILED;
- }
- }
-
-
- break;
- }
- case EXTENDED_SEQUENCE_NUMBERS:
- {
- if ((this->transform_id != NO_EXT_SEQ_NUMBERS) && (this->transform_id != EXT_SEQ_NUMBERS))
- {
- return FAILED;
- }
- break;
- }
- default:
- {
- /* not a supported transform type! */
- return FAILED;
- }
- }
- iterator = this->attributes->create_iterator(this->attributes,TRUE);
-
- while(iterator->has_next(iterator))
- {
- payload_t *current_attributes;
- iterator->current(iterator,(void **)&current_attributes);
-
- status = current_attributes->verify(current_attributes);
- if (status != SUCCESS)
- {
- break;
- }
- }
-
- iterator->destroy(iterator);
-
-
- /* proposal number is checked in SA payload */
- return status;
-}
-
-/**
- * Implementation of payload_t.get_encoding_rules.
- */
-static void get_encoding_rules(private_transform_substructure_t *this, encoding_rule_t **rules, size_t *rule_count)
-{
- *rules = transform_substructure_encodings;
- *rule_count = sizeof(transform_substructure_encodings) / sizeof(encoding_rule_t);
-}
-
-/**
- * Implementation of payload_t.get_type.
- */
-static payload_type_t get_type(private_transform_substructure_t *this)
-{
- return TRANSFORM_SUBSTRUCTURE;
-}
-
-/**
- * Implementation of payload_t.get_next_type.
- */
-static payload_type_t get_next_type(private_transform_substructure_t *this)
-{
- return (this->next_payload);
-}
-
-/**
- * Implementation of payload_t.get_length.
- */
-static size_t get_length(private_transform_substructure_t *this)
-{
- this->compute_length(this);
-
- return this->transform_length;
-}
-
-/**
- * Implementation of transform_substructure_t.create_transform_attribute_iterator.
- */
-static iterator_t *create_transform_attribute_iterator (private_transform_substructure_t *this,bool forward)
-{
- return this->attributes->create_iterator(this->attributes,forward);
-}
-
-/**
- * Implementation of transform_substructure_t.add_transform_attribute.
- */
-static void add_transform_attribute (private_transform_substructure_t *this,transform_attribute_t *attribute)
-{
- this->attributes->insert_last(this->attributes,(void *) attribute);
- this->compute_length(this);
-}
-
-/**
- * Implementation of transform_substructure_t.set_is_last_transform.
- */
-static void set_is_last_transform (private_transform_substructure_t *this, bool is_last)
-{
- this->next_payload = (is_last) ? 0: TRANSFORM_TYPE_VALUE;
-}
-
-/**
- * Implementation of transform_substructure_t.get_is_last_transform.
- */
-static bool get_is_last_transform (private_transform_substructure_t *this)
-{
- return ((this->next_payload == TRANSFORM_TYPE_VALUE) ? FALSE : TRUE);
-}
-
-/**
- * Implementation of payload_t.set_next_type.
- */
-static void set_next_type(private_transform_substructure_t *this,payload_type_t type)
-{
-}
-
-/**
- * Implementation of transform_substructure_t.set_transform_type.
- */
-static void set_transform_type (private_transform_substructure_t *this,u_int8_t type)
-{
- this->transform_type = type;
-}
-
-/**
- * Implementation of transform_substructure_t.get_transform_type.
- */
-static u_int8_t get_transform_type (private_transform_substructure_t *this)
-{
- return this->transform_type;
-}
-
-/**
- * Implementation of transform_substructure_t.set_transform_id.
- */
-static void set_transform_id (private_transform_substructure_t *this,u_int16_t id)
-{
- this->transform_id = id;
-}
-
-/**
- * Implementation of transform_substructure_t.get_transform_id.
- */
-static u_int16_t get_transform_id (private_transform_substructure_t *this)
-{
- return this->transform_id;
-}
-
-/**
- * Implementation of private_transform_substructure_t.compute_length.
- */
-static void compute_length (private_transform_substructure_t *this)
-{
- iterator_t *iterator;
- size_t length = TRANSFORM_SUBSTRUCTURE_HEADER_LENGTH;
- iterator = this->attributes->create_iterator(this->attributes,TRUE);
- while (iterator->has_next(iterator))
- {
- payload_t * current_attribute;
- iterator->current(iterator,(void **) &current_attribute);
- length += current_attribute->get_length(current_attribute);
- }
- iterator->destroy(iterator);
-
- this->transform_length = length;
-}
-
-/**
- * Implementation of transform_substructure_t.clone.
- */
-static transform_substructure_t *clone(private_transform_substructure_t *this)
-{
- private_transform_substructure_t *new_clone;
- iterator_t *attributes;
-
- new_clone = (private_transform_substructure_t *) transform_substructure_create();
-
- new_clone->next_payload = this->next_payload;
- new_clone->transform_type = this->transform_type;
- new_clone->transform_id = this->transform_id;
-
- attributes = this->attributes->create_iterator(this->attributes,FALSE);
-
- while (attributes->has_next(attributes))
- {
- transform_attribute_t *current_attribute;
- transform_attribute_t *current_attribute_clone;
- attributes->current(attributes,(void **) &current_attribute);
-
- current_attribute_clone = current_attribute->clone(current_attribute);
-
- new_clone->public.add_transform_attribute(&(new_clone->public),current_attribute_clone);
- }
-
- attributes->destroy(attributes);
-
- return &(new_clone->public);
-}
-
-
-/**
- * Implementation of transform_substructure_t.get_key_length.
- */
-static status_t get_key_length(private_transform_substructure_t *this, u_int16_t *key_length)
-{
- iterator_t *attributes;
-
- attributes = this->attributes->create_iterator(this->attributes,TRUE);
-
- while (attributes->has_next(attributes))
- {
- transform_attribute_t *current_attribute;
- attributes->current(attributes,(void **) &current_attribute);
-
- if (current_attribute->get_attribute_type(current_attribute) == KEY_LENGTH)
- {
- *key_length = current_attribute->get_value(current_attribute);
- attributes->destroy(attributes);
- return SUCCESS;
- }
-
- }
- attributes->destroy(attributes);
-
- return FAILED;
-}
-
-
-/**
- * Implementation of transform_substructure_t.destroy and payload_t.destroy.
- */
-static void destroy(private_transform_substructure_t *this)
-{
- /* all proposals are getting destroyed */
- while (this->attributes->get_count(this->attributes) > 0)
- {
- transform_attribute_t *current_attribute;
- this->attributes->remove_last(this->attributes,(void **)&current_attribute);
- current_attribute->destroy(current_attribute);
- }
- this->attributes->destroy(this->attributes);
-
- free(this);
-}
-
-/*
- * Described in header.
- */
-transform_substructure_t *transform_substructure_create()
-{
- private_transform_substructure_t *this = malloc_thing(private_transform_substructure_t);
-
- /* payload interface */
- this->public.payload_interface.verify = (status_t (*) (payload_t *))verify;
- this->public.payload_interface.get_encoding_rules = (void (*) (payload_t *, encoding_rule_t **, size_t *) ) get_encoding_rules;
- this->public.payload_interface.get_length = (size_t (*) (payload_t *)) get_length;
- this->public.payload_interface.get_next_type = (payload_type_t (*) (payload_t *)) get_next_type;
- this->public.payload_interface.set_next_type = (void (*) (payload_t *,payload_type_t)) set_next_type;
- this->public.payload_interface.get_type = (payload_type_t (*) (payload_t *)) get_type;
- this->public.payload_interface.destroy = (void (*) (payload_t *))destroy;
-
- /* public functions */
- this->public.create_transform_attribute_iterator = (iterator_t * (*) (transform_substructure_t *,bool)) create_transform_attribute_iterator;
- this->public.add_transform_attribute = (void (*) (transform_substructure_t *,transform_attribute_t *)) add_transform_attribute;
- this->public.set_is_last_transform = (void (*) (transform_substructure_t *,bool)) set_is_last_transform;
- this->public.get_is_last_transform = (bool (*) (transform_substructure_t *)) get_is_last_transform;
- this->public.set_transform_type = (void (*) (transform_substructure_t *,u_int8_t)) set_transform_type;
- this->public.get_transform_type = (u_int8_t (*) (transform_substructure_t *)) get_transform_type;
- this->public.set_transform_id = (void (*) (transform_substructure_t *,u_int16_t)) set_transform_id;
- this->public.get_transform_id = (u_int16_t (*) (transform_substructure_t *)) get_transform_id;
- this->public.get_key_length = (status_t (*) (transform_substructure_t *,u_int16_t *)) get_key_length;
- this->public.clone = (transform_substructure_t* (*) (transform_substructure_t *)) clone;
- this->public.destroy = (void (*) (transform_substructure_t *)) destroy;
-
- /* private functions */
- this->compute_length = compute_length;
-
- /* set default values of the fields */
- this->next_payload = NO_PAYLOAD;
- this->transform_length = TRANSFORM_SUBSTRUCTURE_HEADER_LENGTH;
- this->transform_id = 0;
- this->transform_type = 0;
- this->attributes = linked_list_create();
-
- return (&(this->public));
-}
-
-/*
- * Described in header
- */
-transform_substructure_t *transform_substructure_create_type(transform_type_t transform_type, u_int16_t transform_id, u_int16_t key_length)
-{
- transform_substructure_t *transform = transform_substructure_create();
-
- transform->set_transform_type(transform,transform_type);
- transform->set_transform_id(transform,transform_id);
-
- /* a keylength attribute is only created for AES encryption */
- if (transform_type == ENCRYPTION_ALGORITHM &&
- transform_id == ENCR_AES_CBC)
- {
- transform_attribute_t *attribute = transform_attribute_create_key_length(key_length);
- transform->add_transform_attribute(transform,attribute);
- }
-
- return transform;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2025-07-21 13:29:53 +0000