1 files changed, 0 insertions, 642 deletions

diff --git a/Source/charon/config/proposal.c b/Source/charon/config/proposal.c
deleted file mode 100644
index cb71a756a..000000000
--- a/Source/charon/config/proposal.c
+++ /dev/null
@@ -1,642 +0,0 @@
-/**
- * @file proposal.c
- * 
- * @brief Implementation of proposal_t.
- * 
- */
-
-/*
- * Copyright (C) 2006 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 <string.h>
-
-#include "proposal.h"
-
-#include <utils/linked_list.h>
-#include <utils/identification.h>
-#include <utils/logger.h>
-
-
-/** 
- * String mappings for protocol_id_t.
- */
-mapping_t protocol_id_m[] = {
-	{PROTO_NONE, "PROTO_NONE"},
-	{PROTO_IKE, "PROTO_IKE"},
-	{PROTO_AH, "PROTO_AH"},
-	{PROTO_ESP, "PROTO_ESP"},
-	{MAPPING_END, NULL}
-};
-
-/** 
- * String mappings for transform_type_t.
- */
-mapping_t transform_type_m[] = {
-	{UNDEFINED_TRANSFORM_TYPE, "UNDEFINED_TRANSFORM_TYPE"},
-	{ENCRYPTION_ALGORITHM, "ENCRYPTION_ALGORITHM"},
-	{PSEUDO_RANDOM_FUNCTION, "PSEUDO_RANDOM_FUNCTION"},
-	{INTEGRITY_ALGORITHM, "INTEGRITY_ALGORITHM"},
-	{DIFFIE_HELLMAN_GROUP, "DIFFIE_HELLMAN_GROUP"},
-	{EXTENDED_SEQUENCE_NUMBERS, "EXTENDED_SEQUENCE_NUMBERS"},
-	{MAPPING_END, NULL}
-};
-
-/** 
- * String mappings for extended_sequence_numbers_t.
- */
-mapping_t extended_sequence_numbers_m[] = {
-	{NO_EXT_SEQ_NUMBERS, "NO_EXT_SEQ_NUMBERS"},
-	{EXT_SEQ_NUMBERS, "EXT_SEQ_NUMBERS"},
-	{MAPPING_END, NULL}
-};
-
-
-typedef struct protocol_proposal_t protocol_proposal_t;
-
-/**
- * substructure which holds all data algos for a specific protocol
- */
-struct protocol_proposal_t {
-	/**
-	 * protocol (ESP or AH)
-	 */
-	protocol_id_t protocol;
-	
-	/**
-	 * priority ordered list of encryption algorithms
-	 */
-	linked_list_t *encryption_algos;
-	
-	/**
-	 * priority ordered list of integrity algorithms
-	 */
-	linked_list_t *integrity_algos;
-	
-	/**
-	 * priority ordered list of pseudo random functions
-	 */
-	linked_list_t *prf_algos;
-	
-	/**
-	 * priority ordered list of dh groups
-	 */
-	linked_list_t *dh_groups;
-	
-	/**
-	 * priority ordered list of extended sequence number flags
-	*/
-	linked_list_t *esns;
-	
-	/** 
-	 * senders SPI
-	 */
-	chunk_t spi;
-};
-
-
-typedef struct private_proposal_t private_proposal_t;
-
-/**
- * Private data of an proposal_t object
- */
-struct private_proposal_t {
-
-	/**
-	 * Public part
-	 */
-	proposal_t public;
-	
-	/**
-	 * number of this proposal, as used in the payload
-	 */
-	u_int8_t number;
-	
-	/**
-	 * list of protocol_proposal_t's
-	 */
-	linked_list_t *protocol_proposals;
-};
-
-/**
- * Look up a protocol_proposal, or create one if necessary...
- */
-static protocol_proposal_t *get_protocol_proposal(private_proposal_t *this, protocol_id_t proto, bool create)
-{
-	protocol_proposal_t *proto_proposal = NULL, *current_proto_proposal;;
-	iterator_t *iterator;
-	 
-	/* find our protocol in the proposals */
-	iterator = this->protocol_proposals->create_iterator(this->protocol_proposals, TRUE);
-	while (iterator->has_next(iterator))
-	{
-		iterator->current(iterator, (void**)&current_proto_proposal);
-		if (current_proto_proposal->protocol == proto)
-		{
-			proto_proposal = current_proto_proposal;
-			break;
-		}
-	}
-	iterator->destroy(iterator);
-
-	if (!proto_proposal && create)
-	{
-		/* nope, create a new one */
-		proto_proposal = malloc_thing(protocol_proposal_t);
-		proto_proposal->protocol = proto;
-		proto_proposal->encryption_algos = linked_list_create();
-		proto_proposal->integrity_algos = linked_list_create();
-		proto_proposal->prf_algos = linked_list_create();
-		proto_proposal->dh_groups = linked_list_create();
-		proto_proposal->esns = linked_list_create();
-		if (proto == PROTO_IKE)
-		{
-			proto_proposal->spi.len = 8;
-		}
-		else
-		{
-			proto_proposal->spi.len = 4;
-		}
-		proto_proposal->spi.ptr = malloc(proto_proposal->spi.len);
-		/* add to the list */
-		this->protocol_proposals->insert_last(this->protocol_proposals, (void*)proto_proposal);
-	}
-	return proto_proposal;
-}
-
-/**
- * Add algorithm/keysize to a algorithm list
- */
-static void add_algo(linked_list_t *list, u_int8_t algo, size_t key_size)
-{
-	algorithm_t *algo_key = malloc_thing(algorithm_t);
-	
-	algo_key->algorithm = algo;
-	algo_key->key_size = key_size;
-	list->insert_last(list, (void*)algo_key);
-}
-
-/**
- * Implements proposal_t.add_algorithm
- */
-static void add_algorithm(private_proposal_t *this, protocol_id_t proto, transform_type_t type, u_int16_t algo, size_t key_size)
-{
-	protocol_proposal_t *proto_proposal = get_protocol_proposal(this, proto, TRUE);
-	
-	switch (type)
-	{
-		case ENCRYPTION_ALGORITHM:
-			add_algo(proto_proposal->encryption_algos, algo, key_size);
-			break;
-		case INTEGRITY_ALGORITHM:
-			add_algo(proto_proposal->integrity_algos, algo, key_size);
-			break;
-		case PSEUDO_RANDOM_FUNCTION:
-			add_algo(proto_proposal->prf_algos, algo, key_size);
-			break;
-		case DIFFIE_HELLMAN_GROUP:
-			add_algo(proto_proposal->dh_groups, algo, 0);
-			break;
-		case EXTENDED_SEQUENCE_NUMBERS:
-			add_algo(proto_proposal->esns, algo, 0);
-			break;
-		default:
-			break;
-	}
-}
-
-/**
- * Implements proposal_t.get_algorithm.
- */
-static bool get_algorithm(private_proposal_t *this, protocol_id_t proto, transform_type_t type, algorithm_t** algo)
-{
-	linked_list_t * list;
-	protocol_proposal_t *proto_proposal = get_protocol_proposal(this, proto, FALSE);
-	
-	if (proto_proposal == NULL)
-	{
-		return FALSE;
-	}
-	switch (type)
-	{
-		case ENCRYPTION_ALGORITHM:
-			list = proto_proposal->encryption_algos;
-			break;
-		case INTEGRITY_ALGORITHM:
-			list = proto_proposal->integrity_algos;
-			break;
-		case PSEUDO_RANDOM_FUNCTION:
-			list = proto_proposal->prf_algos;
-			break;
-		case DIFFIE_HELLMAN_GROUP:
-			list = proto_proposal->dh_groups;
-			break;
-		case EXTENDED_SEQUENCE_NUMBERS:
-			list = proto_proposal->esns;
-			break;
-		default:
-			return FALSE;
-	}
-	if (list->get_first(list, (void**)algo) != SUCCESS)
-	{
-		return FALSE;
-	}
-	return TRUE;
-}
-
-/**
- * Implements proposal_t.create_algorithm_iterator.
- */
-static iterator_t *create_algorithm_iterator(private_proposal_t *this, protocol_id_t proto, transform_type_t type)
-{
-	protocol_proposal_t *proto_proposal = get_protocol_proposal(this, proto, FALSE);
-	if (proto_proposal == NULL)
-	{
-		return NULL;
-	}
-	
-	switch (type)
-	{
-		case ENCRYPTION_ALGORITHM:
-			return proto_proposal->encryption_algos->create_iterator(proto_proposal->encryption_algos, TRUE);
-		case INTEGRITY_ALGORITHM:
-			return proto_proposal->integrity_algos->create_iterator(proto_proposal->integrity_algos, TRUE);
-		case PSEUDO_RANDOM_FUNCTION:
-			return proto_proposal->prf_algos->create_iterator(proto_proposal->prf_algos, TRUE);
-		case DIFFIE_HELLMAN_GROUP:
-			return proto_proposal->dh_groups->create_iterator(proto_proposal->dh_groups, TRUE);
-		case EXTENDED_SEQUENCE_NUMBERS:
-			return proto_proposal->esns->create_iterator(proto_proposal->esns, TRUE);
-		default:
-			break;
-	}
-	return NULL;
-}
-
-/**
- * Find a matching alg/keysize in two linked lists
- */
-static bool select_algo(linked_list_t *first, linked_list_t *second, bool *add, u_int16_t *alg, size_t *key_size)
-{
-	iterator_t *first_iter, *second_iter;
-	algorithm_t *first_alg, *second_alg;
-	
-	/* if in both are zero algorithms specified, we HAVE a match */
-	if (first->get_count(first) == 0 && second->get_count(second) == 0)
-	{
-		*add = FALSE;
-		return TRUE;
-	}
-	
-	first_iter = first->create_iterator(first, TRUE);
-	second_iter = second->create_iterator(second, TRUE);
-	/* compare algs, order of algs in "first" is preferred */
-	while (first_iter->has_next(first_iter))
-	{
-		first_iter->current(first_iter, (void**)&first_alg);
-		second_iter->reset(second_iter);
-		while (second_iter->has_next(second_iter))
-		{
-			second_iter->current(second_iter, (void**)&second_alg);
-			if (first_alg->algorithm == second_alg->algorithm &&
-				first_alg->key_size == second_alg->key_size)
-			{
-				/* ok, we have an algorithm */
-				*alg = first_alg->algorithm;
-				*key_size = first_alg->key_size;
-				*add = TRUE;
-				first_iter->destroy(first_iter);
-				second_iter->destroy(second_iter);
-				return TRUE;
-			}
-		}
-	}
-	/* no match in all comparisons */
-	first_iter->destroy(first_iter);
-	second_iter->destroy(second_iter);
-	return FALSE;
-}
-
-/**
- * Implements proposal_t.select.
- */
-static proposal_t *select_proposal(private_proposal_t *this, private_proposal_t *other)
-{
-	proposal_t *selected;
-	u_int16_t algo;
-	size_t key_size;
-	iterator_t *iterator;
-	protocol_proposal_t *this_prop, *other_prop;
-	protocol_id_t proto;
-	bool add;
-	u_int64_t spi;
-	
-	/* empty proposal? no match */
-	if (this->protocol_proposals->get_count(this->protocol_proposals) == 0 ||
-		other->protocol_proposals->get_count(other->protocol_proposals) == 0)
-	{
-		return NULL;
-	}
-	/* they MUST have the same amount of protocols */
-	if (this->protocol_proposals->get_count(this->protocol_proposals) !=
-		other->protocol_proposals->get_count(other->protocol_proposals))
-	{
-		return NULL;
-	}
-	
-	selected = proposal_create(this->number);
-	
-	/* iterate over supplied proposals */
-	iterator = other->protocol_proposals->create_iterator(other->protocol_proposals, TRUE);
-	while (iterator->has_next(iterator))
-	{
-		iterator->current(iterator, (void**)&other_prop);
-		/* get the proposal with the same protocol */
-		proto = other_prop->protocol;
-		this_prop = get_protocol_proposal(this, proto, FALSE);
-		
-		if (this_prop == NULL)
-		{
-			iterator->destroy(iterator);
-			selected->destroy(selected);
-			return NULL;
-		}
-		
-		/* select encryption algorithm */
-		if (select_algo(this_prop->encryption_algos, other_prop->encryption_algos, &add, &algo, &key_size))
-		{
-			if (add)
-			{
-				selected->add_algorithm(selected, proto, ENCRYPTION_ALGORITHM, algo, key_size);
-			}
-		}
-		else
-		{
-			iterator->destroy(iterator);
-			selected->destroy(selected);
-			return NULL;
-		}
-		/* select integrity algorithm */
-		if (select_algo(this_prop->integrity_algos, other_prop->integrity_algos, &add, &algo, &key_size))
-		{
-			if (add)
-			{
-				selected->add_algorithm(selected, proto, INTEGRITY_ALGORITHM, algo, key_size);
-			}
-		}
-		else
-		{
-			iterator->destroy(iterator);
-			selected->destroy(selected);
-			return NULL;
-		}
-		/* select prf algorithm */
-		if (select_algo(this_prop->prf_algos, other_prop->prf_algos, &add, &algo, &key_size))
-		{
-			if (add)
-			{
-				selected->add_algorithm(selected, proto, PSEUDO_RANDOM_FUNCTION, algo, key_size);
-			}
-		}
-		else
-		{
-			iterator->destroy(iterator);
-			selected->destroy(selected);
-			return NULL;
-		}
-		/* select a DH-group */
-		if (select_algo(this_prop->dh_groups, other_prop->dh_groups, &add, &algo, &key_size))
-		{
-			if (add)
-			{
-				selected->add_algorithm(selected, proto, DIFFIE_HELLMAN_GROUP, algo, 0);
-			}
-		}
-		else
-		{
-			iterator->destroy(iterator);
-			selected->destroy(selected);
-			return NULL;
-		}
-		/* select if we use ESNs */
-		if (select_algo(this_prop->esns, other_prop->esns, &add, &algo, &key_size))
-		{
-			if (add)
-			{
-				selected->add_algorithm(selected, proto, EXTENDED_SEQUENCE_NUMBERS, algo, 0);
-			}
-		}
-		else
-		{
-			iterator->destroy(iterator);
-			selected->destroy(selected);
-			return NULL;
-		}
-	}
-	iterator->destroy(iterator);
-	
-	/* apply spis from "other" */
-	spi = other->public.get_spi(&(other->public), PROTO_AH);
-	if (spi)
-	{
-		selected->set_spi(selected, PROTO_AH, spi);
-	}
-	spi = other->public.get_spi(&(other->public), PROTO_ESP);
-	if (spi)
-	{
-		selected->set_spi(selected, PROTO_ESP, spi);
-	}
-	
-	/* everything matched, return new proposal */
-	return selected;
-}
-
-/**
- * Implements proposal_t.get_number.
- */
-static u_int8_t get_number(private_proposal_t *this)
-{
-	return this->number;
-}
-
-/**
- * Implements proposal_t.get_protocols.
- */
-static void get_protocols(private_proposal_t *this, protocol_id_t ids[2])
-{
-	iterator_t *iterator = this->protocol_proposals->create_iterator(this->protocol_proposals, TRUE);
-	u_int i = 0;
-	
-	ids[0] = PROTO_NONE;
-	ids[1] = PROTO_NONE;
-	while (iterator->has_next(iterator))
-	{
-		protocol_proposal_t *proto_prop;
-		iterator->current(iterator, (void**)&proto_prop);
-		ids[i++] = proto_prop->protocol;
-		if (i>1)
-		{
-			/* should not happen, but who knows */
-			break;
-		}
-	}
-	iterator->destroy(iterator);
-}
-
-/**
- * Implements proposal_t.set_spi.
- */
-static void set_spi(private_proposal_t *this, protocol_id_t proto, u_int64_t spi)
-{
-	protocol_proposal_t *proto_proposal = get_protocol_proposal(this, proto, FALSE);
-	if (proto_proposal)
-	{
-		if (proto == PROTO_AH || proto == PROTO_ESP)
-		{
-			*((u_int32_t*)proto_proposal->spi.ptr) = (u_int32_t)spi;
-		}
-		else
-		{
-			*((u_int64_t*)proto_proposal->spi.ptr) = spi;
-		}
-	}
-}
-
-/**
- * Implements proposal_t.get_spi.
- */
-static u_int64_t get_spi(private_proposal_t *this, protocol_id_t proto)
-{
-	protocol_proposal_t *proto_proposal = get_protocol_proposal(this, proto, FALSE);
-	if (proto_proposal)
-	{
-		if (proto == PROTO_AH || proto == PROTO_ESP)
-		{
-			return (u_int64_t)*((u_int32_t*)proto_proposal->spi.ptr);
-		}
-		else
-		{
-			return *((u_int64_t*)proto_proposal->spi.ptr);
-		}
-	}
-	return 0;
-}
-
-/**
- * Clone a algorithm list
- */
-static void clone_algo_list(linked_list_t *list, linked_list_t *clone_list)
-{
-	algorithm_t *algo, *clone_algo;
-	iterator_t *iterator = list->create_iterator(list, TRUE);
-	while (iterator->has_next(iterator))
-	{
-		iterator->current(iterator, (void**)&algo);
-		clone_algo = malloc_thing(algorithm_t);
-		memcpy(clone_algo, algo, sizeof(algorithm_t));
-		clone_list->insert_last(clone_list, (void*)clone_algo);
-	}
-	iterator->destroy(iterator);
-}
-
-/**
- * Implements proposal_t.clone
- */
-static proposal_t *clone(private_proposal_t *this)
-{
-	private_proposal_t *clone = (private_proposal_t*)proposal_create(this->number);
-	
-	iterator_t *iterator = this->protocol_proposals->create_iterator(this->protocol_proposals, TRUE);
-	while (iterator->has_next(iterator))
-	{
-		protocol_proposal_t *proto_prop, *clone_proto_prop;
-		iterator->current(iterator, (void**)&proto_prop);
-		
-		clone_proto_prop = get_protocol_proposal(clone, proto_prop->protocol, TRUE);
-		memcpy(clone_proto_prop->spi.ptr, proto_prop->spi.ptr, clone_proto_prop->spi.len);
-		
-		clone_algo_list(proto_prop->encryption_algos, clone_proto_prop->encryption_algos);
-		clone_algo_list(proto_prop->integrity_algos, clone_proto_prop->integrity_algos);
-		clone_algo_list(proto_prop->prf_algos, clone_proto_prop->prf_algos);
-		clone_algo_list(proto_prop->dh_groups, clone_proto_prop->dh_groups);
-		clone_algo_list(proto_prop->esns, clone_proto_prop->esns);
-	}
-	iterator->destroy(iterator);
-	
-	return &clone->public;
-}
-
-/**
- * Frees all list items and destroys the list
- */
-static void free_algo_list(linked_list_t *list)
-{
-	algorithm_t *algo;
-	
-	while(list->get_count(list) > 0)
-	{
-		list->remove_last(list, (void**)&algo);
-		free(algo);
-	}
-	list->destroy(list);
-}
-
-/**
- * Implements proposal_t.destroy.
- */
-static void destroy(private_proposal_t *this)
-{
-	while(this->protocol_proposals->get_count(this->protocol_proposals) > 0)
-	{
-		protocol_proposal_t *proto_prop;
-		this->protocol_proposals->remove_last(this->protocol_proposals, (void**)&proto_prop);
-		
-		free_algo_list(proto_prop->encryption_algos);
-		free_algo_list(proto_prop->integrity_algos);
-		free_algo_list(proto_prop->prf_algos);
-		free_algo_list(proto_prop->dh_groups);
-		free_algo_list(proto_prop->esns);
-		
-		free(proto_prop->spi.ptr);
-		free(proto_prop);
-	}
-	this->protocol_proposals->destroy(this->protocol_proposals);
-	
-	free(this);
-}
-
-/*
- * Describtion in header-file
- */
-proposal_t *proposal_create(u_int8_t number)
-{
-	private_proposal_t *this = malloc_thing(private_proposal_t);
-	
-	this->public.add_algorithm = (void (*)(proposal_t*,protocol_id_t,transform_type_t,u_int16_t,size_t))add_algorithm;
-	this->public.create_algorithm_iterator = (iterator_t* (*)(proposal_t*,protocol_id_t,transform_type_t))create_algorithm_iterator;
-	this->public.get_algorithm = (bool (*)(proposal_t*,protocol_id_t,transform_type_t,algorithm_t**))get_algorithm;
-	this->public.select = (proposal_t* (*)(proposal_t*,proposal_t*))select_proposal;
-	this->public.get_number = (u_int8_t (*)(proposal_t*))get_number;
-	this->public.get_protocols = (void(*)(proposal_t *this, protocol_id_t ids[2]))get_protocols;
-	this->public.set_spi = (void(*)(proposal_t*,protocol_id_t,u_int64_t spi))set_spi;
-	this->public.get_spi = (u_int64_t(*)(proposal_t*,protocol_id_t))get_spi;
-	this->public.clone = (proposal_t*(*)(proposal_t*))clone;
-	this->public.destroy = (void(*)(proposal_t*))destroy;
-	
-	/* init private members*/
-	this->number = number;
-	this->protocol_proposals = linked_list_create();
-	
-	return (&this->public);
-}