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Diffstat (limited to 'Source/charon/config/init_config.h')
| -rw-r--r-- | Source/charon/config/init_config.h | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/Source/charon/config/init_config.h b/Source/charon/config/init_config.h index 4cf98609c..876ead887 100644 --- a/Source/charon/config/init_config.h +++ b/Source/charon/config/init_config.h @@ -1,4 +1,169 @@ +/** + * @file init_config.h + * + * @brief Interface of init_config_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. + */ + #ifndef _INIT_CONFIG_H_ #define _INIT_CONFIG_H_ +#include <types.h> +#include <network/host.h> +#include <encoding/payloads/sa_payload.h> +#include <utils/iterator.h> + +typedef struct ike_proposal_t ike_proposal_t; + +/** + * Represents a Proposal used in IKE_SA_INIT phase. + */ +struct ike_proposal_t { + /** + * Encryption algorithm. + * */ + encryption_algorithm_t encryption_algorithm; + + /** + * Key length of encryption algorithm in bytes. + */ + u_int16_t encryption_algorithm_key_length; + + /** + * Integrity algorithm. + */ + integrity_algorithm_t integrity_algorithm; + + /** + * Key length of integrity algorithm + */ + u_int16_t integrity_algorithm_key_length; + + /** + * Pseudo random function (prf). + */ + pseudo_random_function_t pseudo_random_function; + + /** + * Key length of prf. + */ + u_int16_t pseudo_random_function_key_length; + + /** + * Diffie hellman group + */ + diffie_hellman_group_t diffie_hellman_group; +}; + +typedef struct init_config_t init_config_t; + +/** + * Represents a configuration class holding all needed informations for IKE_SA_INIT phase. + * + * @ingroup config + * + */ +struct init_config_t { + + /** + * Get my host information as host_t object. + * + * @warning Object is getting cloned and has to get destroyed by caller. + * + * @param this calling object + * @return host information as host_t object + */ + host_t * (*get_my_host) (init_config_t *this); + + /** + * Get other host information as host_t object. + * + * @warning Object is getting cloned and has to get destroyed by caller. + * + * @param this calling object + * @return host information as host_t object + */ + host_t * (*get_other_host) (init_config_t *this); + + /** + * Get the diffie hellman group to use as initiator with given priority. + * + * + * @param this calling object + * @param priority priority of dh group number (starting at 1) + * @return diffie hellman group number for given priority or + * MODP_UNDEFINED for not supported priorities + */ + diffie_hellman_group_t (*get_dh_group_number) (init_config_t *this,size_t priority); + + /** + * Returns a list of all supported ike_proposals of type ike_proposal_t *. + * + * @warning array of ike_proposal_t has to get destroyed by the caller + * + * @param this calling object + * @param proposals first proposal in a array + * @return number of proposals in array + */ + size_t (*get_proposals) (init_config_t *this,ike_proposal_t **proposals); + + /** + * Adds a proposal with given priority to the current stored proposals + * + * If allready a proposal with given priority is stored the other one is + * moved one priority back. If priority is higher then all other stored + * proposals, it is inserted as last one. + * + * @param this calling object + * @param priority priority of adding proposal + * @param proposal proposal to add + */ + void (*add_proposal) (init_config_t *this,size_t priority, ike_proposal_t proposal); + + /** + * Select a proposed from suggested proposals. + * + * + * @param this calling object + * @param suggested_proposals first proposal in a array + * @param proposal_count number of suggested proposals in array + * @param selected_proposal the ike_proposal_t pointing to is set + * @return + * - SUCCESS if a proposal was selected + * - NOT_FOUND if none of suggested proposals is supported + */ + status_t (*select_proposal) (init_config_t *this, ike_proposal_t *proposals, size_t proposal_count, ike_proposal_t *selected_proposal); + + /** + * Destroys a init_config_t object. + * + * @param this calling object + */ + void (*destroy) (init_config_t *this); +}; + +/** + * Creates a init_config_t object. + * + * @return pointer to created init_config_t object. + * + * @ingroup config + */ +init_config_t * init_config_create(char * my_ip, char *other_ip, u_int16_t my_port, u_int16_t other_port); + #endif //_INIT_CONFIG_H_ |