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#include "xauth_request.h"
#include <daemon.h>
#include <hydra.h>
#include <encoding/payloads/cp_payload.h>
#include <encoding/payloads/hash_payload.h>
#include <encoding/generator.h>
typedef struct private_xauth_request_t private_xauth_request_t;
/**
* Private members of a xauth_request_t task.
*/
struct private_xauth_request_t {
/**
* Public methods and task_t interface.
*/
xauth_request_t public;
/**
* Assigned IKE_SA.
*/
ike_sa_t *ike_sa;
/**
* Are we the initiator?
*/
bool initiator;
/**
* virtual ip
*/
host_t *virtual_ip;
/**
* list of attributes requested and its handler, entry_t
*/
linked_list_t *requested;
};
/**
* Entry for a requested attribute and the requesting handler
*/
typedef struct {
/** attribute requested */
configuration_attribute_type_t type;
/** handler requesting this attribute */
attribute_handler_t *handler;
} entry_t;
/**
* Scan for configuration payloads and attributes
*/
static void process_payloads(private_xauth_request_t *this, message_t *message)
{
}
METHOD(task_t, build_i, status_t,
private_xauth_request_t *this, message_t *message)
{
cp_payload_t *cp;
chunk_t chunk = chunk_empty;
hash_payload_t *hash_payload;
generator_t *generator;
chunk_t attr_chunk;
chunk_t mid_chunk;
u_int32_t *lenpos;
u_int32_t message_id;
keymat_t *keymat;
prf_t *prf;
chunk_t hash_in, hash_out;
DBG1(DBG_IKE, "BUILDING XAUTH REQUEST PACKET");
/* TODO1: Create ATTR payload */
cp = cp_payload_create(CONFIGURATION_V1);
cp->add_attribute(cp, configuration_attribute_create_chunk(
CONFIGURATION_ATTRIBUTE_V1, XAUTH_USER_NAME, chunk));
cp->add_attribute(cp, configuration_attribute_create_chunk(
CONFIGURATION_ATTRIBUTE_V1, XAUTH_USER_PASSWORD, chunk));
/* Create HASH payload */
hash_payload = hash_payload_create();
/* TODO1: Add data into the hash */
/* Calculate the chunk for the ATTR payload */
generator = generator_create();
cp->payload_interface.set_next_type(&cp->payload_interface, NO_PAYLOAD);
generator->generate_payload(generator, (payload_t *)cp);
attr_chunk = generator->get_chunk(generator, &lenpos);
/* Get the message ID in network order */
htoun32(&message_id, message->get_message_id(message));
mid_chunk = chunk_from_thing(message_id);
/* Get the hashed data */
hash_in = chunk_cat("cc", mid_chunk, attr_chunk);
message->add_payload(message, (payload_t *)hash_payload);
message->add_payload(message, (payload_t *)cp);
return NEED_MORE;
}
METHOD(task_t, process_r, status_t,
private_xauth_request_t *this, message_t *message)
{
return NEED_MORE;
}
METHOD(task_t, build_r, status_t,
private_xauth_request_t *this, message_t *message)
{
return NEED_MORE;
}
METHOD(task_t, process_i, status_t,
private_xauth_request_t *this, message_t *message)
{
return NEED_MORE;
}
METHOD(task_t, get_type, task_type_t,
private_xauth_request_t *this)
{
return TASK_XAUTH_REQUEST;
}
METHOD(task_t, migrate, void,
private_xauth_request_t *this, ike_sa_t *ike_sa)
{
DESTROY_IF(this->virtual_ip);
this->ike_sa = ike_sa;
this->virtual_ip = NULL;
this->requested->destroy_function(this->requested, free);
this->requested = linked_list_create();
}
METHOD(task_t, destroy, void,
private_xauth_request_t *this)
{
DESTROY_IF(this->virtual_ip);
this->requested->destroy_function(this->requested, free);
free(this);
}
/*
* Described in header.
*/
xauth_request_t *xauth_request_create(ike_sa_t *ike_sa, bool initiator)
{
private_xauth_request_t *this;
INIT(this,
.public = {
.task = {
.get_type = _get_type,
.migrate = _migrate,
.destroy = _destroy,
},
},
.initiator = initiator,
.ike_sa = ike_sa,
.requested = linked_list_create(),
);
if (initiator)
{
this->public.task.build = _build_i;
this->public.task.process = _process_i;
}
else
{
this->public.task.build = _build_r;
this->public.task.process = _process_r;
}
return &this->public;
}
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