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- creation of ts payloads using ts

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This commit is contained in:
Martin Willi
2005-12-01 17:38:06 +00:00
parent a9428251cd
commit 03283349a9
8 changed files with 223 additions and 57 deletions
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Source/charon/encoding/payloads/traffic_selector_substructure.c
+52 -15
View File
@@ -82,6 +82,11 @@ struct private_traffic_selector_substructure_t {
* Ending address.
*/
chunk_t ending_address;
/**
* update length
*/
void (*compute_length) (private_traffic_selector_substructure_t *this);
};
/**
@@ -252,7 +257,7 @@ static void set_start_host (private_traffic_selector_substructure_t *this,host_t
allocator_free_chunk(&(this->starting_address));
}
this->starting_address = start_host->get_address_as_chunk(start_host);
this->payload_length = TRAFFIC_SELECTOR_HEADER_LENGTH + this->starting_address.len + this->ending_address.len;
this->compute_length(this);
}
/**
@@ -274,7 +279,27 @@ static void set_end_host (private_traffic_selector_substructure_t *this,host_t *
allocator_free_chunk(&(this->ending_address));
}
this->ending_address = end_host->get_address_as_chunk(end_host);
this->payload_length = TRAFFIC_SELECTOR_HEADER_LENGTH + this->starting_address.len + this->ending_address.len;
this->compute_length(this);
}
/**
* Implementation of traffic_selector_substructure_t.get_traffic_selector.
*/
static traffic_selector_t *get_traffic_selector(private_traffic_selector_substructure_t *this)
{
traffic_selector_t *ts;
ts = traffic_selector_create_from_bytes(this->ip_protocol_id, this->ts_type,
this->starting_address, this->start_port,
this->ending_address, this->end_port);
return ts;
}
/**
* Implementation of private_ts_payload_t.compute_length
*/
void compute_length(private_traffic_selector_substructure_t *this)
{
this->payload_length = TRAFFIC_SELECTOR_HEADER_LENGTH + this->ending_address.len + this->starting_address.len;
}
/**
@@ -282,24 +307,15 @@ static void set_end_host (private_traffic_selector_substructure_t *this,host_t *
*/
static void destroy(private_traffic_selector_substructure_t *this)
{
if (this->starting_address.ptr != NULL)
{
allocator_free_chunk(&(this->starting_address));
}
if (this->ending_address.ptr != NULL)
{
allocator_free_chunk(&(this->ending_address));
}
allocator_free(this->starting_address.ptr);
allocator_free(this->ending_address.ptr);
allocator_free(this);
}
/*
* Described in header
*/
traffic_selector_substructure_t *traffic_selector_substructure_create(bool is_initiator)
traffic_selector_substructure_t *traffic_selector_substructure_create()
{
private_traffic_selector_substructure_t *this = allocator_alloc_thing(private_traffic_selector_substructure_t);
@@ -322,10 +338,13 @@ traffic_selector_substructure_t *traffic_selector_substructure_create(bool is_in
this->public.set_start_host = (void (*) (traffic_selector_substructure_t *, host_t *))set_start_host;
this->public.get_end_host = (host_t * (*) (traffic_selector_substructure_t *))get_end_host;
this->public.set_end_host = (void (*) (traffic_selector_substructure_t *, host_t *))set_end_host;
this->public.get_traffic_selector = (traffic_selector_t* (*)(traffic_selector_substructure_t*))get_traffic_selector;
/* private functions */
this->compute_length = compute_length;
/* private variables */
this->payload_length =TRAFFIC_SELECTOR_HEADER_LENGTH;
this->payload_length = TRAFFIC_SELECTOR_HEADER_LENGTH;
this->start_port = 0;
this->end_port = 0;
this->starting_address = CHUNK_INITIALIZER;
@@ -336,3 +355,21 @@ traffic_selector_substructure_t *traffic_selector_substructure_create(bool is_in
return (&(this->public));
}
/*
* Described in header
*/
traffic_selector_substructure_t *traffic_selector_substructure_create_from_traffic_selector(traffic_selector_t *traffic_selector)
{
private_traffic_selector_substructure_t *this = (private_traffic_selector_substructure_t*)traffic_selector_substructure_create();
this->ts_type = traffic_selector->get_type(traffic_selector);
this->ip_protocol_id = traffic_selector->get_protocol(traffic_selector);
this->start_port = traffic_selector->get_from_port(traffic_selector);
this->end_port = traffic_selector->get_to_port(traffic_selector);
this->starting_address = traffic_selector->get_from_address(traffic_selector);
this->ending_address = traffic_selector->get_to_address(traffic_selector);
this->compute_length(this);
return &(this->public);
}