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-rw-r--r--Source/charon/states/ike_sa_init_requested.c342
1 files changed, 0 insertions, 342 deletions
diff --git a/Source/charon/states/ike_sa_init_requested.c b/Source/charon/states/ike_sa_init_requested.c
deleted file mode 100644
index ea03602a9..000000000
--- a/Source/charon/states/ike_sa_init_requested.c
+++ /dev/null
@@ -1,342 +0,0 @@
-/**
- * @file ike_sa_init_requested.c
- *
- * @brief State of a IKE_SA after requesting an IKE_SA_INIT
- *
- */
-
-/*
- * 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 "ike_sa_init_requested.h"
-
-#include <globals.h>
-#include <utils/allocator.h>
-#include <encoding/payloads/sa_payload.h>
-#include <encoding/payloads/ke_payload.h>
-#include <encoding/payloads/nonce_payload.h>
-#include <transforms/diffie_hellman.h>
-
-/**
- * Private data of a ike_sa_init_requested_t object.
- *
- */
-typedef struct private_ike_sa_init_requested_s private_ike_sa_init_requested_t;
-struct private_ike_sa_init_requested_s {
- /**
- * methods of the state_t interface
- */
- ike_sa_init_requested_t public;
-
- /**
- * Assigned IKE_SA
- */
- protected_ike_sa_t *ike_sa;
-
- /**
- * Diffie Hellman object used to compute shared secret
- */
- diffie_hellman_t *diffie_hellman;
-
- /**
- * Shared secret of successful exchange
- */
- chunk_t shared_secret;
-
- /**
- * Sent nonce value
- */
- chunk_t sent_nonce;
-
- /**
- * Received nonce
- */
- chunk_t received_nonce;
-
- /**
- * DH group priority used to get dh_group_number from configuration manager.
- *
- * Currently uused but usable if informational messages of unsupported dh group number are processed.
- */
- u_int16_t dh_group_priority;
-
- /**
- * Logger used to log data
- *
- * Is logger of ike_sa!
- */
- logger_t *logger;
-};
-
-/**
- * Implements state_t.get_state
- */
-static status_t process_message(private_ike_sa_init_requested_t *this, message_t *message, state_t **new_state)
-{
- status_t status;
- linked_list_iterator_t *payloads;
- exchange_type_t exchange_type;
- u_int64_t responder_spi;
-
- exchange_type = message->get_exchange_type(message);
- if (exchange_type != IKE_SA_INIT)
- {
- this->logger->log(this->logger, ERROR | MORE, "Message of type %s not supported in state ike_sa_init_requested",mapping_find(exchange_type_m,exchange_type));
- return FAILED;
- }
-
- if (message->get_request(message))
- {
- this->logger->log(this->logger, ERROR | MORE, "Only responses of type IKE_SA_INIT supported in state ike_sa_init_requested");
- return FAILED;
- }
-
- /* parse incoming message */
- status = message->parse_body(message);
- if (status != SUCCESS)
- {
- this->logger->log(this->logger, ERROR | MORE, "Could not parse body");
- return status;
- }
-
- responder_spi = message->get_responder_spi(message);
- this->ike_sa->ike_sa_id->set_responder_spi(this->ike_sa->ike_sa_id,responder_spi);
-
- /* iterate over incoming payloads */
- status = message->get_payload_iterator(message, &payloads);
- if (status != SUCCESS)
- {
- this->logger->log(this->logger, ERROR, "Could not create payload interator");
- return status;
- }
- while (payloads->has_next(payloads))
- {
- payload_t *payload;
- payloads->current(payloads, (void**)&payload);
-
- this->logger->log(this->logger, CONTROL|MORE, "Processing payload %s", mapping_find(payload_type_m, payload->get_type(payload)));
- switch (payload->get_type(payload))
- {
- case SECURITY_ASSOCIATION:
- {
- sa_payload_t *sa_payload = (sa_payload_t*)payload;
- linked_list_iterator_t *suggested_proposals;
- encryption_algorithm_t encryption_algorithm = ENCR_UNDEFINED;
- pseudo_random_function_t pseudo_random_function = PRF_UNDEFINED;
- integrity_algorithm_t integrity_algorithm = AUTH_UNDEFINED;
-
- /* get the list of suggested proposals */
- status = sa_payload->create_proposal_substructure_iterator(sa_payload, &suggested_proposals, TRUE);
- if (status != SUCCESS)
- {
- this->logger->log(this->logger, ERROR, "Fatal errror: Could not create iterator on suggested proposals");
- payloads->destroy(payloads);
- return status;
- }
-
- /* now let the configuration-manager return the transforms for the given proposal*/
- this->logger->log(this->logger, CONTROL | MOST, "Get transforms for suggested proposal");
- status = global_configuration_manager->get_transforms_for_host_and_proposals(global_configuration_manager,
- this->ike_sa->other.host, suggested_proposals, &encryption_algorithm,&pseudo_random_function,&integrity_algorithm);
- if (status != SUCCESS)
- {
- this->logger->log(this->logger, ERROR | MORE, "Suggested proposals not supported!");
- suggested_proposals->destroy(suggested_proposals);
- payloads->destroy(payloads);
- return status;
- }
- suggested_proposals->destroy(suggested_proposals);
-
- this->ike_sa->prf = prf_create(pseudo_random_function);
- if (this->ike_sa->prf == NULL)
- {
- this->logger->log(this->logger, ERROR | MORE, "PRF type not supported");
- payloads->destroy(payloads);
- return FAILED;
- }
-
-
- /* ok, we have what we need for sa_payload */
- break;
- }
- case KEY_EXCHANGE:
- {
- ke_payload_t *ke_payload = (ke_payload_t*)payload;
-
- status = this->diffie_hellman->set_other_public_value(this->diffie_hellman, ke_payload->get_key_exchange_data(ke_payload));
- if (status != SUCCESS)
- {
- this->logger->log(this->logger, ERROR, "Could not set other public value for DH exchange. Status %s",mapping_find(status_m,status));
- payloads->destroy(payloads);
- return OUT_OF_RES;
- }
-
- /* shared secret is computed AFTER processing of all payloads... */
- break;
- }
- case NONCE:
- {
- nonce_payload_t *nonce_payload = (nonce_payload_t*)payload;
-
- if (this->received_nonce.ptr != NULL)
- {
- this->logger->log(this->logger, CONTROL | MOST, "Destroy existing received nonce");
- allocator_free(this->received_nonce.ptr);
- this->received_nonce.ptr = NULL;
- this->received_nonce.len = 0;
- }
-
- status = nonce_payload->get_nonce(nonce_payload, &(this->received_nonce));
- if (status != SUCCESS)
- {
- this->logger->log(this->logger, ERROR, "Fatal error: Could not get received nonce");
- payloads->destroy(payloads);
- return OUT_OF_RES;
- }
-
- break;
- }
- default:
- {
- this->logger->log(this->logger, ERROR, "Fatal errror: Payload type not supported!!!!");
- payloads->destroy(payloads);
- return FAILED;
- }
-
- }
-
- }
- payloads->destroy(payloads);
-
- if (this->shared_secret.ptr != NULL)
- {
- this->logger->log(this->logger, CONTROL | MOST, "Destroy existing shared_secret");
- allocator_free(this->shared_secret.ptr);
- this->shared_secret.ptr = NULL;
- this->shared_secret.len = 0;
- }
-
-
- /* store shared secret */
- this->logger->log(this->logger, CONTROL | MOST, "Retrieve shared secret and store it");
- status = this->diffie_hellman->get_shared_secret(this->diffie_hellman, &(this->shared_secret));
- this->logger->log_chunk(this->logger, PRIVATE, "Shared secret", &this->shared_secret);
-
- status = this->ike_sa->compute_secrets(this->ike_sa,this->shared_secret,this->sent_nonce, this->received_nonce);
- if (status != SUCCESS)
- {
- /* secrets could not be computed */
- this->logger->log(this->logger, ERROR | MORE, "Secrets could not be computed!");
- return status;
- }
-
-
-
-
- /****************************
- *
- * TODO
- *
- * Create PRF+ object
- *
- * Create Keys for next process
- *
- * Send IKE_SA_AUTH request
- *
- ****************************/
-
-
- /* set up the reply */
-// status = this->ike_sa->build_message(this->ike_sa, IKE_SA_INIT, FALSE, &response);
-// if (status != SUCCESS)
-// {
-// return status;
-// }
-
-// response->destroy(response);
-
- *new_state = (state_t *) this;
-
- return SUCCESS;
-}
-
-/**
- * Implements state_t.get_state
- */
-static ike_sa_state_t get_state(private_ike_sa_init_requested_t *this)
-{
- return IKE_SA_INIT_REQUESTED;
-}
-
-/**
- * Implements state_t.get_state
- */
-static status_t destroy(private_ike_sa_init_requested_t *this)
-{
- this->logger->log(this->logger, CONTROL | MORE, "Going to destroy state of type ike_sa_init_requested_t");
-
- this->logger->log(this->logger, CONTROL | MOST, "Destroy diffie hellman object");
- this->diffie_hellman->destroy(this->diffie_hellman);
- if (this->sent_nonce.ptr != NULL)
- {
- this->logger->log(this->logger, CONTROL | MOST, "Destroy sent nonce");
- allocator_free(this->sent_nonce.ptr);
- }
- if (this->received_nonce.ptr != NULL)
- {
- this->logger->log(this->logger, CONTROL | MOST, "Destroy received nonce");
- allocator_free(this->received_nonce.ptr);
- }
-
- if (this->shared_secret.ptr != NULL)
- {
- this->logger->log(this->logger, CONTROL | MOST, "Destroy shared secret");
- allocator_free(this->shared_secret.ptr);
- }
-
- allocator_free(this);
- return SUCCESS;
-}
-
-/*
- * Described in header.
- */
-ike_sa_init_requested_t *ike_sa_init_requested_create(protected_ike_sa_t *ike_sa,u_int16_t dh_group_priority, diffie_hellman_t *diffie_hellman, chunk_t sent_nonce)
-{
- private_ike_sa_init_requested_t *this = allocator_alloc_thing(private_ike_sa_init_requested_t);
-
- if (this == NULL)
- {
- return NULL;
- }
-
- /* interface functions */
- this->public.state_interface.process_message = (status_t (*) (state_t *,message_t *,state_t **)) process_message;
- this->public.state_interface.get_state = (ike_sa_state_t (*) (state_t *)) get_state;
- this->public.state_interface.destroy = (status_t (*) (state_t *)) destroy;
-
- /* private data */
- this->ike_sa = ike_sa;
- this->received_nonce.ptr = NULL;
- this->received_nonce.len = 0;
- this->shared_secret.ptr = NULL;
- this->shared_secret.len = 0;
- this->logger = this->ike_sa->logger;
- this->diffie_hellman = diffie_hellman;
- this->sent_nonce = sent_nonce;
- this->dh_group_priority = dh_group_priority;
-
- return &(this->public);
-}
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