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code of message_t cleaned and added more logs

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This commit is contained in:
Jan Hutter
2005-11-30 12:58:57 +00:00
parent bc7883029a
commit f603933427
6 changed files with 260 additions and 110 deletions
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Source/charon/encoding/message.c
+181 -101
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@@ -125,13 +125,13 @@ static supported_payload_entry_t supported_ike_sa_init_r_payloads[] =
static supported_payload_entry_t supported_ike_auth_i_payloads[] =
{
{ID_INITIATOR,1,1,TRUE},
/* {CERTIFICATE,0,1,TRUE},
{CERTIFICATE,0,1,TRUE},
{CERTIFICATE_REQUEST,0,1,TRUE},
{ID_RESPONDER,0,1,TRUE},*/
{ID_RESPONDER,0,1,TRUE},
{AUTHENTICATION,1,1,TRUE},
/* {SECURITY_ASSOCIATION,1,1,TRUE},
{SECURITY_ASSOCIATION,1,1,TRUE},
{TRAFFIC_SELECTOR_INITIATOR,1,1,TRUE},
{TRAFFIC_SELECTOR_RESPONDER,1,1,TRUE},*/
{TRAFFIC_SELECTOR_RESPONDER,1,1,TRUE},
};
/**
@@ -141,10 +141,10 @@ static supported_payload_entry_t supported_ike_auth_r_payloads[] =
{
{CERTIFICATE,0,1,TRUE},
{ID_RESPONDER,0,1,TRUE},
/* {AUTHENTICATION,1,1,TRUE},
{AUTHENTICATION,1,1,TRUE},
{SECURITY_ASSOCIATION,1,1,TRUE},
{TRAFFIC_SELECTOR_INITIATOR,1,1,TRUE},
{TRAFFIC_SELECTOR_RESPONDER,1,1,TRUE},*/
{TRAFFIC_SELECTOR_RESPONDER,1,1,TRUE},
};
/**
@@ -207,7 +207,6 @@ struct private_message_t {
*/
exchange_type_t exchange_type;
/**
* TRUE if message is request.
* FALSE if message is reply.
@@ -247,37 +246,53 @@ struct private_message_t {
logger_t *logger;
/**
* Gets a list of supported payloads of this message type
* Gets a list of supported payloads of this message type.
*
* @param this calling object
* @param[out] message_rule pointer is set to the message_rule of current message type
* @param this calling object
* @param[out] message_rule pointer is set to the message_rule
* of current message type
*
* @return
* - SUCCESS
* - NOT_FOUND if no message rule
* for specific message type could be found
* - SUCCESS
* - NOT_FOUND if no message rule
* for specific message type could be found
*/
status_t (*get_message_rule) (private_message_t *this, message_rule_t **message_rule);
/**
* Gets the supported_payload_entry_t for a specific message_rule_t and payload type.
*
* @param this calling object
* @param message_rule message rule
* @param payload_type payload type
* @param[out] payload_entry returned payload_entry_t
*
* @return
* - SUCCESS
* - NOT_FOUND if no message rule
* for specific message type could be found
*/
status_t (*get_supported_payload_entry) (private_message_t *this, message_rule_t *message_rule,payload_type_t payload_type, supported_payload_entry_t **payload_entry);
/**
* Encrypts all payloads which has to get encrypted.
*
* @param this calling object
* Can also be called with messages not containing encrypted content.
*
* @param this calling object
* @param crypter crypter_t object
* @param signer signer_t object
*/
status_t (*encrypt_payloads) (private_message_t *this,crypter_t *crypter, signer_t* signer);
/**
* Decrypts all payloads which has to get decrypted.
* Decrypts encrypted contents and also verifies all payloads.
*
* @param this calling object
* @param crypter crypter_t object
* @param signer signer_t object
*/
status_t (*decrypt_payloads) (private_message_t *this,crypter_t *crypter, signer_t* signer);
status_t (*decrypt_and_verify_payloads) (private_message_t *this,crypter_t *crypter, signer_t* signer);
};
/**
@@ -302,6 +317,9 @@ static status_t get_message_rule (private_message_t *this, message_rule_t **mes
return NOT_FOUND;
}
/**
* Implementation of private_message_t.get_supported_payload_entry.
*/
static status_t get_supported_payload_entry (private_message_t *this, message_rule_t *message_rule,payload_type_t payload_type, supported_payload_entry_t **payload_entry)
{
int i;
@@ -447,10 +465,8 @@ static void add_payload(private_message_t *this, payload_t *payload)
payload->set_next_type(payload, NO_PAYLOAD);
this->payloads->insert_last(this->payloads, (void*)payload);
this->logger->log(this->logger, CONTROL|MORE, "added payload of type %s to message",
mapping_find(payload_type_m, payload->get_type(payload)));
this->logger->log(this->logger, CONTROL|MORE, "Added payload of type %s to message",
mapping_find(payload_type_m, payload->get_type(payload)));
}
/**
@@ -480,17 +496,17 @@ static void set_destination(private_message_t *this, host_t *host)
/**
* Implementation of message_t.get_source.
*/
static void get_source(private_message_t *this, host_t **host)
static host_t* get_source(private_message_t *this)
{
*host = this->packet->source;
return this->packet->source;
}
/**
* Implementation of message_t.get_destination.
*/
static void get_destination(private_message_t *this, host_t **host)
static host_t * get_destination(private_message_t *this)
{
*host = this->packet->destination;
return this->packet->destination;
}
/**
@@ -511,29 +527,39 @@ static status_t generate(private_message_t *this, crypter_t *crypter, signer_t*
ike_header_t *ike_header;
payload_t *payload, *next_payload;
iterator_t *iterator;
message_rule_t *message_rule;
status_t status;
this->logger->log(this->logger, CONTROL, "generating message, contains %d payloads",
this->payloads->get_count(this->payloads));
this->logger->log(this->logger, CONTROL, "Generating message of type %s, contains %d payloads",
mapping_find(exchange_type_m,this->exchange_type),
this->payloads->get_count(this->payloads));
if (this->exchange_type == EXCHANGE_TYPE_UNDEFINED)
{
this->logger->log(this->logger, ERROR, "exchange type is not defined");
this->logger->log(this->logger, ERROR | MORE, "Exchange type %s is not defined",mapping_find(exchange_type_m,this->exchange_type));
return INVALID_STATE;
}
status = this->get_message_rule(this, &message_rule);
if (status != SUCCESS)
{
this->logger->log(this->logger, ERROR | MORE, "Message rule could not be found for exchange type %s",
mapping_find(exchange_type_m,this->exchange_type));
return status;
}
if (this->packet->source == NULL ||
this->packet->destination == NULL)
{
this->logger->log(this->logger, ERROR, "source/destination not defined");
this->logger->log(this->logger, ERROR | MORE, "Source/destination not defined");
return INVALID_STATE;
}
/* going to encrypt all content which have to be encrypted */
status = this->encrypt_payloads(this,crypter,signer);
if (status != SUCCESS)
{
this->logger->log(this->logger, ERROR, "Could not encrypt payloads");
this->logger->log(this->logger, ERROR | MORE, "Could not encrypt payloads");
return status;
}
@@ -547,41 +573,42 @@ static status_t generate(private_message_t *this, crypter_t *crypter, signer_t*
ike_header->set_initiator_spi(ike_header, this->ike_sa_id->get_initiator_spi(this->ike_sa_id));
ike_header->set_responder_spi(ike_header, this->ike_sa_id->get_responder_spi(this->ike_sa_id));
generator = generator_create();
payload = (payload_t*)ike_header;
iterator = this->payloads->create_iterator(this->payloads, TRUE);
/* generate every payload, except last one */
/* generate every payload expect last one*/
while(iterator->has_next(iterator))
{
iterator->current(iterator, (void**)&next_payload);
payload->set_next_type(payload, next_payload->get_type(next_payload));
generator->generate_payload(generator, payload);
payload = next_payload;
}
iterator->destroy(iterator);
/* build last payload */
/* last payload has no next payload*/
payload->set_next_type(payload, NO_PAYLOAD);
generator->generate_payload(generator, payload);
ike_header->destroy(ike_header);
/* build packet */
if (this->packet->data.ptr != NULL)
{
this->logger->log(this->logger, CONTROL | MOST, "Replace last generated packet data");
allocator_free(this->packet->data.ptr);
}
generator->write_to_chunk(generator, &(this->packet->data));
generator->destroy(generator);
/* append integrity checksum if necessary */
/* if last payload is of type encrypted, integrity checksum if necessary */
if (payload->get_type(payload) == ENCRYPTED)
{
this->logger->log(this->logger, CONTROL | MORE, "Build signature on whole message");
encryption_payload_t *encryption_payload = (encryption_payload_t*)payload;
status = encryption_payload->build_signature(encryption_payload, this->packet->data);
if (status != SUCCESS)
@@ -593,12 +620,12 @@ static status_t generate(private_message_t *this, crypter_t *crypter, signer_t*
/* clone packet for caller */
*packet = this->packet->clone(this->packet);
this->logger->log(this->logger, CONTROL, "message generated successfully");
this->logger->log(this->logger, CONTROL, "Message of type %s generated successfully",mapping_find(exchange_type_m,this->exchange_type));
return SUCCESS;
}
/**
* Implements message_t.parse_header.
* Implementation of message_t.parse_header.
*/
static status_t parse_header(private_message_t *this)
{
@@ -606,13 +633,13 @@ static status_t parse_header(private_message_t *this)
status_t status;
this->logger->log(this->logger, CONTROL, "parsing header of message");
this->logger->log(this->logger, CONTROL, "parsing Header of message");
this->parser->reset_context(this->parser);
status = this->parser->parse_payload(this->parser,HEADER,(payload_t **) &ike_header);
if (status != SUCCESS)
{
this->logger->log(this->logger, ERROR, "Header could not be parsed");
this->logger->log(this->logger, ERROR | MORE, "Header could not be parsed");
return status;
}
@@ -621,7 +648,7 @@ static status_t parse_header(private_message_t *this)
status = ike_header->payload_interface.verify(&(ike_header->payload_interface));
if (status != SUCCESS)
{
this->logger->log(this->logger, ERROR, "Header verification failed");
this->logger->log(this->logger, ERROR | MORE, "Header verification failed");
ike_header->destroy(ike_header);
return status;
}
@@ -643,63 +670,69 @@ static status_t parse_header(private_message_t *this)
this->first_payload = ike_header->payload_interface.get_next_type(&(ike_header->payload_interface));
this->logger->log(this->logger, CONTROL, "parsing header successfully");
this->logger->log(this->logger, CONTROL, "Parsing and verification of header successfully");
ike_header->destroy(ike_header);
return SUCCESS;
}
/**
* Implements message_t.parse_body.
* Implementation of message_t.parse_body.
*/
static status_t parse_body(private_message_t *this, crypter_t *crypter, signer_t *signer)
{
status_t status = SUCCESS;
payload_type_t current_payload_type = this->first_payload;
this->logger->log(this->logger, CONTROL, "parsing body of message, first payload %s",
mapping_find(payload_type_m, current_payload_type));
this->logger->log(this->logger, CONTROL, "Parsing body of message, first payload %s",
mapping_find(payload_type_m, current_payload_type));
while ((current_payload_type != NO_PAYLOAD))
{
payload_t *current_payload;
this->logger->log(this->logger, CONTROL|MORE, "start parsing payload of type %s",
this->logger->log(this->logger, CONTROL|MORE, "Start parsing payload of type %s",
mapping_find(payload_type_m, current_payload_type));
status = this->parser->parse_payload(this->parser,current_payload_type,(payload_t **) &current_payload);
if (status != SUCCESS)
{
this->logger->log(this->logger, ERROR, "payload type %s could not be parsed",mapping_find(payload_type_m,current_payload_type));
this->logger->log(this->logger, ERROR, "Payload type %s could not be parsed",mapping_find(payload_type_m,current_payload_type));
return status;
}
this->logger->log(this->logger, CONTROL|MOST, "Verify payload of type %s",
mapping_find(payload_type_m, current_payload_type));
status = current_payload->verify(current_payload);
if (status != SUCCESS)
{
this->logger->log(this->logger, ERROR, "payload type %s could not be verified",mapping_find(payload_type_m,current_payload_type));
this->logger->log(this->logger, ERROR, "Payload type %s could not be verified",mapping_find(payload_type_m,current_payload_type));
current_payload->destroy(current_payload);
status = VERIFY_ERROR;
return status;
}
this->logger->log(this->logger, CONTROL|MOST, "Payload verified. Adding to payload list",
mapping_find(payload_type_m, current_payload_type));
this->payloads->insert_last(this->payloads,current_payload);
/* stop if an encryptino payload found */
/* stop if an encryption payload found */
if (current_payload_type == ENCRYPTED)
{
this->logger->log(this->logger, CONTROL|MOST, "Payload of type encrypted found. Stop parsing.",
mapping_find(payload_type_m, current_payload_type));
break;
}
/* get next payload type */
current_payload_type = current_payload->get_next_type(current_payload);
}
status = this->decrypt_payloads(this,crypter,signer);
status = this->decrypt_and_verify_payloads(this,crypter,signer);
if (status != SUCCESS)
{
this->logger->log(this->logger, ERROR, "Could not decrypt payloads");
this->logger->log(this->logger, ERROR, "Could not decrypt and verify payloads");
return status;
}
@@ -708,7 +741,7 @@ static status_t parse_body(private_message_t *this, crypter_t *crypter, signer_t
}
/**
* implements message_t.verify
* Implementation of message_t.verify.
*/
static status_t verify(private_message_t *this)
{
@@ -717,12 +750,13 @@ static status_t verify(private_message_t *this)
iterator_t *iterator;
message_rule_t *message_rule;
this->logger->log(this->logger, CONTROL|MORE, "verifying message");
this->logger->log(this->logger, CONTROL|MORE, "Verifying message structure");
status = this->get_message_rule(this, &message_rule);
if (status != SUCCESS)
{
this->logger->log(this->logger, ERROR, "Message rule could not be retrieved");
this->logger->log(this->logger, ERROR | MORE, "Message rule could not be found for exchange type %s",
mapping_find(exchange_type_m,this->exchange_type));
return status;
}
@@ -730,37 +764,37 @@ static status_t verify(private_message_t *this)
/* check for payloads with wrong count*/
for (i = 0; i < message_rule->supported_payloads_count;i++)
{
size_t min_occurence = message_rule->supported_payloads[i].min_occurence;
size_t max_occurence = message_rule->supported_payloads[i].max_occurence;
payload_type_t payload_type = message_rule->supported_payloads[i].payload_type;
size_t found_payloads = 0;
/* check all payloads for specific rule */
iterator->reset(iterator);
while(iterator->has_next(iterator))
{
payload_t *current_payload;
iterator->current(iterator,(void **)&current_payload);
if (current_payload->get_type(current_payload) == payload_type)
if (current_payload->get_type(current_payload) == message_rule->supported_payloads[i].payload_type)
{
found_payloads++;
this->logger->log(this->logger, CONTROL | MOST, "Found payload of type %s",
mapping_find(payload_type_m,payload_type));
mapping_find(payload_type_m,message_rule->supported_payloads[i].payload_type));
if (found_payloads > max_occurence)
/* as soon as ohe payload occures more then specified, the verification fails */
if (found_payloads > message_rule->supported_payloads[i].max_occurence)
{
this->logger->log(this->logger, ERROR, "Payload of type %s more than %d times (%d) occured in current message",
mapping_find(payload_type_m,current_payload->get_type(current_payload)),max_occurence,found_payloads);
mapping_find(payload_type_m,current_payload->get_type(current_payload)),
message_rule->supported_payloads[i].max_occurence,found_payloads);
iterator->destroy(iterator);
return NOT_SUPPORTED;
}
}
}
if (found_payloads < min_occurence)
if (found_payloads < message_rule->supported_payloads[i].min_occurence)
{
this->logger->log(this->logger, ERROR, "Payload of type %s not occured %d times",
mapping_find(payload_type_m,payload_type),min_occurence);
this->logger->log(this->logger, ERROR, "Payload of type %s not occured %d times (%d)",
mapping_find(payload_type_m,message_rule->supported_payloads[i].payload_type),
message_rule->supported_payloads[i].min_occurence,found_payloads);
iterator->destroy(iterator);
return NOT_SUPPORTED;
}
@@ -771,36 +805,42 @@ static status_t verify(private_message_t *this)
}
static status_t decrypt_payloads (private_message_t *this,crypter_t *crypter, signer_t* signer)
/**
* Implementation of private_message_t.decrypt_and_verify_payloads.
*/
static status_t decrypt_and_verify_payloads (private_message_t *this,crypter_t *crypter, signer_t* signer)
{
bool current_payload_was_encrypted = FALSE;
status_t status;
message_rule_t *message_rule;
iterator_t *iterator;
int payload_number = 1;
payload_t *last_payload = NULL;
message_rule_t *message_rule;
int payload_number = 1;
iterator_t *iterator;
status_t status;
status = this->get_message_rule(this, &message_rule);
if (status != SUCCESS)
{
this->logger->log(this->logger, ERROR, "No message rule for current message type");
this->logger->log(this->logger, ERROR | MORE, "Message rule could not be found for exchange type %s",
mapping_find(exchange_type_m,this->exchange_type));
return status;
}
iterator = this->payloads->create_iterator(this->payloads,TRUE);
/* process each payload and decrypt a encryption payload */
while(iterator->has_next(iterator))
{
payload_t *current_payload;
supported_payload_entry_t *supported_payload_entry;
payload_type_t current_payload_type;
supported_payload_entry_t *payload_entry;
payload_t *current_payload;
/* get current payload */
iterator->current(iterator,(void **)&current_payload);
/* needed to check */
current_payload_type = current_payload->get_type(current_payload);
this->logger->log(this->logger, CONTROL | MOST, "Process payload of type %s.",mapping_find(payload_type_m,current_payload_type));
this->logger->log(this->logger, CONTROL | MOST, "Process payload of type %s",mapping_find(payload_type_m,current_payload_type));
if (current_payload_type == ENCRYPTED)
{
@@ -820,7 +860,7 @@ static status_t decrypt_payloads (private_message_t *this,crypter_t *crypter, si
if (payload_number != this->payloads->get_count(this->payloads))
{
this->logger->log(this->logger, ERROR | MORE, "Encrypted payload is not last one");
this->logger->log(this->logger, ERROR | MORE, "Encrypted payload is not last payload");
iterator->destroy(iterator);
/* encrypted payload is not last one */
return FAILED;
@@ -830,39 +870,48 @@ static status_t decrypt_payloads (private_message_t *this,crypter_t *crypter, si
/* encrypt payload */
encryption_payload->set_transforms(encryption_payload, crypter, signer);
this->logger->log(this->logger, CONTROL | MORE, "Verify signature of encryption payload");
status = encryption_payload->verify_signature(encryption_payload, this->packet->data);
if (status != SUCCESS)
{
this->logger->log(this->logger, ERROR, "encryption payload signature invalid");
this->logger->log(this->logger, ERROR | MORE, "encryption payload signature invalid");
iterator->destroy(iterator);
return status;
}
this->logger->log(this->logger, CONTROL | MORE, "Decrypt content of encryption payload");
status = encryption_payload->decrypt(encryption_payload);
if (status != SUCCESS)
{
this->logger->log(this->logger, ERROR, "parsing decrypted encryption payload failed");
this->logger->log(this->logger, ERROR | MORE, "Encrypted payload could not be decrypted and parsed");
iterator->destroy(iterator);
return status;
}
/* needed to later find out if a payload has to be encrypted or not */
current_payload_was_encrypted = TRUE;
if (encryption_payload->get_payload_count(encryption_payload) == 0)
{
iterator->remove(iterator);
encryption_payload->destroy(encryption_payload);
/* encrypted payload contains no other payload */
current_payload_type = NO_PAYLOAD;
if (last_payload == NULL)
{
/* encrypted content was the only payload in IKEv2-Message
* Set the first payload to the first payload of encrypted ones */
this->first_payload = current_payload_type;
}
else
{
/* another payload was here before the encrypted content
* Set the next payload of proceeding payload
* to the first payload of encrypted ones */
last_payload->set_next_type(last_payload,current_payload_type);
}
break;
}
}
/* encryption_payload is replaced with first encrypted payload*/
encryption_payload->remove_first_payload(encryption_payload, &current_encrypted_payload);
@@ -872,10 +921,15 @@ static status_t decrypt_payloads (private_message_t *this,crypter_t *crypter, si
current_payload_type = current_encrypted_payload->get_type(current_encrypted_payload);
if (last_payload == NULL)
{
/* encrypted content was the only payload in IKEv2-Message
* Set the first payload to the first payload of encrypted ones */
this->first_payload = current_payload_type;
}
else
{
/* another payload was here before the encrypted content
* Set the next payload of proceeding payload
* to the first payload of encrypted ones */
last_payload->set_next_type(last_payload,current_payload_type);
}
@@ -887,12 +941,14 @@ static status_t decrypt_payloads (private_message_t *this,crypter_t *crypter, si
this->payloads->insert_last(this->payloads,current_encrypted_payload);
}
/* encryption payload is not needed anymore cause all payloads are
* moved to internal payload list */
encryption_payload->destroy(encryption_payload);
}
status = this->get_supported_payload_entry(this,message_rule,current_payload_type,&payload_entry);
status = this->get_supported_payload_entry(this,message_rule,current_payload_type,&supported_payload_entry);
if (status != SUCCESS)
{
/* payload type not supported */
@@ -901,38 +957,41 @@ static status_t decrypt_payloads (private_message_t *this,crypter_t *crypter, si
return status;
}
if (payload_entry->encrypted != current_payload_was_encrypted)
if (supported_payload_entry->encrypted != current_payload_was_encrypted)
{
/* payload type not supported */
this->logger->log(this->logger, ERROR | MORE, "Payload type %s should be %s!",
mapping_find(payload_type_m,current_payload_type),
(payload_entry->encrypted) ? "encrypted": "not encrypted");
(supported_payload_entry->encrypted) ? "encrypted": "not encrypted");
iterator->destroy(iterator);
return status;
}
payload_number++;
/* is stored to set next payload in case of found encryption payload */
last_payload = current_payload;
}
iterator->destroy(iterator);
return this->public.verify(&(this->public));
}
/**
* Implementation of private_message_t.encrypt_payloads.
*/
static status_t encrypt_payloads (private_message_t *this,crypter_t *crypter, signer_t* signer)
{
status_t status;
message_rule_t *message_rule;
encryption_payload_t *encryption_payload = NULL;
message_rule_t *message_rule;
status_t status;
linked_list_t *all_payloads;
status = this->get_message_rule(this, &message_rule);
if (status != SUCCESS)
{
this->logger->log(this->logger, ERROR | MORE, "No message rule for this message type");
this->logger->log(this->logger, ERROR | MORE, "Message rule could not be found for exchange type %s",
mapping_find(exchange_type_m,this->exchange_type));
return status;
}
if (!message_rule->encrypted_content)
{
this->logger->log(this->logger, CONTROL | MORE, "Message doesn't have to be encrypted");
@@ -940,6 +999,7 @@ static status_t encrypt_payloads (private_message_t *this,crypter_t *crypter, si
return SUCCESS;
}
this->logger->log(this->logger, CONTROL | MOST, "Copy all payloads to a temporary list");
all_payloads = linked_list_create();
/* first copy all payloads in a temporary list */
@@ -949,22 +1009,32 @@ static status_t encrypt_payloads (private_message_t *this,crypter_t *crypter, si
this->payloads->remove_first(this->payloads,&current_payload);
all_payloads->insert_last(all_payloads,current_payload);
}
this->logger->log(this->logger, CONTROL | MOST, "Check each payloads if they have to get encrypted");
while (all_payloads->get_count(all_payloads) > 0)
{
supported_payload_entry_t *supported_payload_entry;
payload_t *current_payload;
bool to_encrypt = FALSE;
supported_payload_entry_t *supported_payload_entry;
all_payloads->remove_first(all_payloads,(void **)&current_payload);
this->logger->log(this->logger, CONTROL | MOST, "Get rule for payload %s", mapping_find(payload_type_m,current_payload->get_type(current_payload)));
status = this->get_supported_payload_entry(this,message_rule,current_payload->get_type(current_payload),&supported_payload_entry);
/* for payload types which are not found in supported payload list, it is presumed
* that they don't have to be encrypted */
if ((status == SUCCESS) && (supported_payload_entry->encrypted))
{
this->logger->log(this->logger, CONTROL | MOST, "Payload %s has to get encrypted",
mapping_find(payload_type_m,current_payload->get_type(current_payload)));
to_encrypt = TRUE;
}
else if (status != SUCCESS)
{
this->logger->log(this->logger, CONTROL | MOST, "Payload %s not defined for exchange type %s. Handle it anyway",
mapping_find(payload_type_m,current_payload->get_type(current_payload)),
mapping_find(exchange_type_m,this->exchange_type));
}
if (to_encrypt)
{
@@ -972,10 +1042,15 @@ static status_t encrypt_payloads (private_message_t *this,crypter_t *crypter, si
{
encryption_payload = encryption_payload_create();
}
this->logger->log(this->logger, CONTROL | MOST, "Insert payload %s to encryption payload",
mapping_find(payload_type_m,current_payload->get_type(current_payload)));
encryption_payload->add_payload(encryption_payload,current_payload);
}
else
{
this->logger->log(this->logger, CONTROL | MOST, "Insert payload %s as payload wich does not have to be encrypted",
mapping_find(payload_type_m,current_payload->get_type(current_payload)));
this->public.add_payload(&(this->public), (payload_t*)encryption_payload);
}
}
@@ -983,8 +1058,11 @@ static status_t encrypt_payloads (private_message_t *this,crypter_t *crypter, si
status = SUCCESS;
if (encryption_payload != NULL)
{
this->logger->log(this->logger, CONTROL | MOST, "Set transforms for encryption payload ");
encryption_payload->set_transforms(encryption_payload,crypter,signer);
this->logger->log(this->logger, CONTROL | MORE, "Encrypt all payloads of encrypted payload");
status = encryption_payload->encrypt(encryption_payload);
this->logger->log(this->logger, CONTROL | MOST, "Add encrypted payload to payload list");
this->public.add_payload(&(this->public), (payload_t*)encryption_payload);
}
@@ -993,14 +1071,16 @@ static status_t encrypt_payloads (private_message_t *this,crypter_t *crypter, si
return status;
}
/**
* Implements message_t's destroy function.
* See #message_s.destroy.
* Implementation of message_t.destroy.
*/
static void destroy (private_message_t *this)
{
iterator_t *iterator;
this->logger->log(this->logger, CONTROL | MOST, "Going to destroy message_t object");
this->packet->destroy(this->packet);
if (this->ike_sa_id != NULL)
@@ -1049,9 +1129,9 @@ message_t *message_create_from_packet(packet_t *packet)
this->public.add_payload = (void(*)(message_t*,payload_t*))add_payload;
this->public.generate = (status_t (*) (message_t *,crypter_t*,signer_t*,packet_t**)) generate;
this->public.set_source = (void (*) (message_t*,host_t*)) set_source;
this->public.get_source = (void (*) (message_t*,host_t**)) get_source;
this->public.get_source = (host_t * (*) (message_t*)) get_source;
this->public.set_destination = (void (*) (message_t*,host_t*)) set_destination;
this->public.get_destination = (void (*) (message_t*,host_t**)) get_destination;
this->public.get_destination = (host_t * (*) (message_t*)) get_destination;
this->public.get_payload_iterator = (iterator_t * (*) (message_t *)) get_payload_iterator;
this->public.parse_header = (status_t (*) (message_t *)) parse_header;
this->public.parse_body = (status_t (*) (message_t *,crypter_t*,signer_t*)) parse_body;
@@ -1069,7 +1149,7 @@ message_t *message_create_from_packet(packet_t *packet)
this->get_message_rule = get_message_rule;
this->get_supported_payload_entry = get_supported_payload_entry;
this->encrypt_payloads = encrypt_payloads;
this->decrypt_payloads = decrypt_payloads;
this->decrypt_and_verify_payloads = decrypt_and_verify_payloads;
/* private values */
if (packet == NULL)
@@ -1088,7 +1168,7 @@ message_t *message_create_from_packet(packet_t *packet)
}
/*
* Described in Header-File
* Described in Header.
*/
message_t *message_create()
{
Source/charon/encoding/message.h
+59 -6
View File
@@ -177,8 +177,6 @@ struct message_t {
*
* @param this message_t object
* @param payload payload to append
* @return
* - SUCCESS or
*/
void (*add_payload) (message_t *this, payload_t *payload);
@@ -221,15 +219,70 @@ struct message_t {
*/
status_t (*generate) (message_t *this, crypter_t *crypter, signer_t *signer, packet_t **packet);
/**
* Verifies the structure of the message_t object.
*
* The payloads are checked for the correct occurence count.
*
* @param this message_t object
*/
status_t (*verify) (message_t *this);
void (*get_source) (message_t *this, host_t **host);
/**
* Gets the source host informations.
*
* @warning Returned host_t object is not getting cloned.
*
* @param this message_t object
* @return host_t object representing source host
*/
host_t * (*get_source) (message_t *this);
/**
* Sets the source host informations.
*
* @warning host_t object is not getting cloned and gets destroyed by
* message_t.destroy or next call of message_t.set_source.
*
* @param this message_t object
* @param host host_t object representing source host
*/
void (*set_source) (message_t *this, host_t *host);
void (*get_destination) (message_t *this, host_t **host);
/**
* Gets the destination host informations.
*
* @warning Returned host_t object is not getting cloned.
*
* @param this message_t object
* @return host_t object representing destination host
*/
host_t * (*get_destination) (message_t *this);
/**
* Sets the destination host informations.
*
* @warning host_t object is not getting cloned and gets destroyed by
* message_t.destroy or next call of message_t.set_destination.
*
* @param this message_t object
* @param host host_t object representing destination host
*/
void (*set_destination) (message_t *this, host_t *host);
/**
* Returns an iterator on all stored payloads.
*
* @warning Don't insert payloads over this iterator.
* Use message_t.add_payload instead.
*
* @param this message_t object
* @return iterator_t object which has to get destroyd by the caller
*/
iterator_t * (*get_payload_iterator) (message_t *this);
/**
* @brief Destroys a message and all including objects
* @brief Destroys a message and all including objects.
*
* @param this message_t object
*/
@@ -250,7 +303,7 @@ struct message_t {
*
* @param packet packet_t object which is assigned to message
*
* @return created message_t object
* @return created message_t object
*
* @ingroup encoding
*/
Source/charon/encoding/parser.c
+10
View File
@@ -903,6 +903,15 @@ static status_t parse_payload(private_parser_t *this, payload_type_t payload_typ
return SUCCESS;
}
/**
* Implementation of parser_t.get_remaining_byte_count.
*/
static int get_remaining_byte_count (private_parser_t *this)
{
int count = (this->input_roof - this->byte_pos);
return count;
}
/**
* Implementation of parser_t.reset_context.
*/
@@ -932,6 +941,7 @@ parser_t *parser_create(chunk_t data)
this->public.parse_payload = (status_t(*)(parser_t*,payload_type_t,payload_t**)) parse_payload;
this->public.reset_context = (void(*)(parser_t*)) reset_context;
this->public.get_remaining_byte_count = (int (*) (parser_t *))get_remaining_byte_count;
this->public.destroy = (void(*)(parser_t*)) destroy;
Source/charon/encoding/parser.h
+7
View File
@@ -58,6 +58,13 @@ struct parser_t {
*/
status_t (*parse_payload) (parser_t *this, payload_type_t payload_type, payload_t **payload);
/**
* Gets the remaining byte count which is not currently parsed.
*
* @param parser parser_t object
*/
int (*get_remaining_byte_count) (parser_t *this);
/**
* @brief Resets the current parser context.
*