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This commit is contained in:
Martin Willi
2005-11-18 10:31:56 +00:00
parent 6f17c7d68e
commit 501a41b970
6 changed files with 179 additions and 51 deletions
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Source/charon/ike_sa.c
+151 -45
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@@ -25,10 +25,12 @@
#include "types.h"
#include "globals.h"
#include "definitions.h"
#include "utils/allocator.h"
#include "utils/linked_list.h"
#include "utils/logger_manager.h"
#include "utils/randomizer.h"
#include "transforms/diffie_hellman.h"
#include "payloads/sa_payload.h"
#include "payloads/nonce_payload.h"
#include "payloads/ke_payload.h"
@@ -72,6 +74,18 @@ enum ike_sa_state_e {
IKE_SA_INITIALIZED = 5
};
/**
* string mappings for ike_sa_state
*/
mapping_t ike_sa_state_m[] = {
{NO_STATE, "NO_STATE"},
{IKE_SA_INIT_REQUESTED, "IKE_SA_INIT_REQUESTED"},
{IKE_SA_INIT_RESPONDED, "IKE_SA_INIT_RESPONDED"},
{IKE_AUTH_REQUESTED, "IKE_AUTH_REQUESTED"},
{IKE_SA_INITIALIZED, "IKE_SA_INITIALIZED"},
{MAPPING_END, NULL}
};
/**
* Private data of an message_t object
@@ -88,6 +102,9 @@ struct private_ike_sa_s {
status_t (*build_sa_payload) (private_ike_sa_t *this, sa_payload_t **payload);
status_t (*build_nonce_payload) (private_ike_sa_t *this, nonce_payload_t **payload);
status_t (*build_ke_payload) (private_ike_sa_t *this, ke_payload_t **payload);
status_t (*transto_ike_sa_init_responded) (private_ike_sa_t *this, message_t *message);
status_t (*transto_ike_auth_requested) (private_ike_sa_t *this, message_t *message);
/* Private values */
/**
@@ -103,7 +120,7 @@ struct private_ike_sa_s {
/**
* Current state of the IKE_SA
*/
ike_sa_state_t current_state;
ike_sa_state_t state;
/**
* is this IKE_SA the original initiator of this IKE_SA
@@ -125,6 +142,8 @@ struct private_ike_sa_s {
host_t *host;
} other;
diffie_hellman_t *diffie_hellman;
/**
* a logger for this IKE_SA
*/
@@ -135,54 +154,136 @@ struct private_ike_sa_s {
* @brief implements function process_message of private_ike_sa_t
*/
static status_t process_message (private_ike_sa_t *this, message_t *message)
{
this->logger->log(this->logger, CONTROL|MORE, "Process message of exchange type %s",
mapping_find(exchange_type_m,message->get_exchange_type(message)));
switch (message->get_exchange_type(message))
{
case IKE_SA_INIT:
{
if (message->get_request(message)) {
if (this->state == NO_STATE)
{
/* state transission NO_STATE => IKE_SA_INIT_RESPONDED */
return this->transto_ike_sa_init_responded(this, message);
}
}
else
{
if (this->state == IKE_SA_INIT_REQUESTED)
{
/* state transission IKE_SA_INIT_REQUESTED => IKE_AUTH_REQUESTED*/
return this->transto_ike_auth_requested(this, message);
}
}
break;
}
case IKE_AUTH:
{
/* break; */
}
case CREATE_CHILD_SA:
{
/* break; */
}
case INFORMATIONAL:
{
/* break; */
}
default:
{
this->logger->log(this->logger, ERROR, "processing %s-message not supported.",
mapping_find(exchange_type_m,message->get_exchange_type(message)));
return NOT_SUPPORTED;
}
}
this->logger->log(this->logger, ERROR, "received %s-message in state %s, rejected.",
mapping_find(exchange_type_m, message->get_exchange_type(message)),
mapping_find(ike_sa_state_m, this->state));
return INVALID_STATE;
}
static status_t transto_ike_sa_init_responded(private_ike_sa_t *this, message_t *message)
{
status_t status;
/* @TODO Add Message Processing here */
linked_list_iterator_t *payloads;
this->logger->log(this->logger, CONTROL|MORE, "Process message of exchange type %s",mapping_find(exchange_type_m,message->get_exchange_type(message)));
/* parse body */
status = message->parse_body(message);
switch (status)
if (status != SUCCESS)
{
case SUCCESS:
{
break;
}
default:
{
this->logger->log(this->logger, ERROR, "Error of type %s while parsing message body",mapping_find(status_m,status));
switch (this->current_state)
{
case NO_STATE:
{
job_t *delete_job;
/* create delete job for this ike_sa */
delete_job = (job_t *) delete_ike_sa_job_create(this->ike_sa_id);
if (delete_job == NULL)
{
this->logger->log(this->logger, ERROR, "Job to delete IKE SA could not be created");
}
status = global_job_queue->add(global_job_queue,delete_job);
if (status != SUCCESS)
{
this->logger->log(this->logger, ERROR, "%s Job to delete IKE SA could not be added to job queue",mapping_find(status_m,status));
delete_job->destroy_all(delete_job);
}
}
default:
{
break;
}
}
return FAILED;
}
return status;
}
return status;
status = message->get_payload_iterator(message, &payloads);
if (status != SUCCESS)
{
return status;
}
while (payloads->has_next(payloads))
{
payload_t *payload;
payloads->current(payloads, (void**)payload);
switch (payload->get_type(payload))
{
case SECURITY_ASSOCIATION:
{
sa_payload_t *sa_payload;
linked_list_iterator_t *proposals;
sa_payload = (sa_payload_t*)payload;
status = sa_payload->create_proposal_substructure_iterator(sa_payload, &proposals, TRUE);
if (status != SUCCESS)
{
payloads->destroy(payloads);
return status;
}
//global_configuration_manager->select_prop
break;
}
case KEY_EXCHANGE:
{
break;
}
case NONCE:
{
break;
}
default:
{
}
}
}
/*
job_t *delete_job;
delete_job = (job_t *) delete_ike_sa_job_create(this->ike_sa_id);
if (delete_job == NULL)
{
this->logger->log(this->logger, ERROR, "Job to delete IKE SA could not be created");
}
status = global_job_queue->add(global_job_queue,delete_job);
if (status != SUCCESS)
{
this->logger->log(this->logger, ERROR, "%s Job to delete IKE SA could not be added to job queue",mapping_find(status_m,status));
delete_job->destroy_all(delete_job);
}*/
return SUCCESS;
}
static status_t transto_ike_auth_requested(private_ike_sa_t *this, message_t *message)
{
return SUCCESS;
}
/**
@@ -271,7 +372,7 @@ static status_t initialize_connection(private_ike_sa_t *this, char *name)
message->destroy(message);
this->current_state = IKE_SA_INIT_REQUESTED;
this->state = IKE_SA_INIT_REQUESTED;
return SUCCESS;
}
@@ -425,6 +526,10 @@ ike_sa_t * ike_sa_create(ike_sa_id_t *ike_sa_id)
this->build_sa_payload = build_sa_payload;
this->build_ke_payload = build_ke_payload;
this->build_nonce_payload = build_nonce_payload;
this->transto_ike_sa_init_responded = transto_ike_sa_init_responded;
this->transto_ike_auth_requested = transto_ike_auth_requested;
@@ -468,10 +573,11 @@ ike_sa_t * ike_sa_create(ike_sa_id_t *ike_sa_id)
this->me.host = NULL;
this->other.host = NULL;
this->diffie_hellman = NULL;
/* at creation time, IKE_SA isn't in a specific state */
this->current_state = NO_STATE;
this->state = NO_STATE;
return (&this->public);
}