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- SA Payload is generated

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This commit is contained in:
Jan Hutter
2005-11-15 09:40:58 +00:00
parent 8bf217e876
commit 7f613a4bb6
4 changed files with 248 additions and 3 deletions
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Source/charon/generator.c
+58 -1
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@@ -35,6 +35,7 @@
#include "payloads/payload.h"
#include "payloads/proposal_substructure.h"
#include "payloads/transform_substructure.h"
#include "payloads/sa_payload.h"
extern logger_manager_t *global_logger_manager;
@@ -615,6 +616,58 @@ static status_t generate_payload (private_generator_t *this,payload_t *payload)
status = this->generate_from_chunk(this,rules[i].offset);
break;
}
case PROPOSALS:
{
this->logger->log(this->logger,CONTROL_MORE,"Generate Proposals");
/* before iterative generate the transforms, store the current length position */
u_int32_t payload_length_position_offset = this->last_payload_length_position_offset;
u_int16_t length_of_sa_payload = SA_PAYLOAD_HEADER_LENGTH;
u_int16_t int16_val;
linked_list_t *proposals = *((linked_list_t **)(this->data_struct + rules[i].offset));
linked_list_iterator_t *iterator;
/* create forward iterator */
status = proposals->create_iterator(proposals,&iterator,TRUE);
if (status != SUCCESS)
{
return status;
}
while (iterator->has_next(iterator))
{
payload_t *current_proposal;
u_int32_t before_generate_position_offset;
u_int32_t after_generate_position_offset;
status = iterator->current(iterator,(void **)&current_proposal);
if (status != SUCCESS)
{
iterator->destroy(iterator);
return status;
}
before_generate_position_offset = (this->out_position - this->buffer);
status = this->public.generate_payload(&(this->public),current_proposal);
after_generate_position_offset = (this->out_position - this->buffer);
if (status != SUCCESS)
{
return status;
}
/* increase size of transform */
length_of_sa_payload += (after_generate_position_offset - before_generate_position_offset);
}
iterator->destroy(iterator);
this->logger->log(this->logger,CONTROL_MORE,"Length of Payload is %d, offset is %d",length_of_sa_payload,payload_length_position_offset);
int16_val = htons(length_of_sa_payload);
this->write_bytes_to_buffer_at_offset(this,&int16_val,sizeof(u_int16_t),payload_length_position_offset);
break;
}
case TRANSFORMS:
{
this->logger->log(this->logger,CONTROL_MORE,"Generate Transforms");
@@ -646,8 +699,12 @@ static status_t generate_payload (private_generator_t *this,payload_t *payload)
}
before_generate_position_offset = (this->out_position - this->buffer);
this->public.generate_payload(&(this->public),current_transform);
status = this->public.generate_payload(&(this->public),current_transform);
after_generate_position_offset = (this->out_position - this->buffer);
if (status != SUCCESS)
{
return status;
}
/* increase size of transform */
length_of_proposal += (after_generate_position_offset - before_generate_position_offset);