int tnet_dhcp6_option_serialize(const tnet_dhcp6_option_t* self, tsk_buffer_t *output)
{
uint16_t _2bytes;
int ret = -1;
if(!self || !output){
goto bail;
}
/*== Code */
_2bytes = tnet_htons(self->code);
tsk_buffer_append(output, &(_2bytes), 2);
switch(self->code){
case dhcp6_code_clientid:
case dhcp6_code_serverid:
{
break;
}
case dhcp6_code_oro:
default:
{
if(self->data)
{
const tnet_dhcp6_option_orequest_t* opt = (const tnet_dhcp6_option_orequest_t*)self->data;
if(opt->codes){
/* option-len */
_2bytes = tnet_htons((unsigned short)opt->codes->size);
tsk_buffer_append(output, &(_2bytes), 2);
/* option-data */
ret = tsk_buffer_append(output, opt->codes->data, opt->codes->size);
}
}
break;
}
}
bail:
return ret;
}
/**@ingroup tnet_stun_group
* Serializes a @ref tnet_stun_attribute_t objet in binary format.
* @param attribute The STUN attribute to serialize.
* @param output The output binary buffer.
* @retval Zero if succeed and non-zero error code otherwise.
*/
int tnet_stun_attribute_serialize(const tnet_stun_attribute_t* attribute, tsk_buffer_t *output)
{
if(!attribute || !output){
return -1;
}
/* Attribute Type
*/
{
uint16_t type = tnet_htons(attribute->type);
tsk_buffer_append(output, &(type), 2);
}
/* Attribute Length
*/
{
uint16_t length = tnet_htons(attribute->length);
tsk_buffer_append(output, &(length), 2);
}
/* Attribute Value
*/
switch(attribute->type){
/* RFC 5389 - 15.1. MAPPED-ADDRESS */
case stun_mapped_address:
{
TSK_DEBUG_ERROR("NOT IMPLEMENTED");
return -3;
}
/* RFC 5389 - 15.2. XOR-MAPPED-ADDRESS*/
case stun_xor_mapped_address:
{
TSK_DEBUG_ERROR("NOT IMPLEMENTED");
return -3;
}
/* RFC 5389 - 15.3. USERNAME*/
case stun_username:
{
tnet_stun_attribute_username_t *username = (tnet_stun_attribute_username_t*)attribute;
tsk_buffer_append(output, username->value, tsk_strlen(username->value));
return 0;
}
/* RFC 5389 - MESSAGE-INTEGRITY*/
case stun_message_integrity:
{
tnet_stun_attribute_integrity_t *integrity = (tnet_stun_attribute_integrity_t*)attribute;
tsk_buffer_append(output, integrity->sha1digest, TSK_SHA1_DIGEST_SIZE);
return 0;
}
/* RFC 5389 - 15.5. FINGERPRINT*/
case stun_fingerprint:
{
uint32_t fingerprint = /*tnet_htonl*/(((tnet_stun_attribute_fingerprint_t*)attribute)->value);
tsk_buffer_append(output, &fingerprint, 4);
return 0;
}
/* RFC 5389 - 15.6. ERROR-CODE*/
case stun_error_code:
{
TSK_DEBUG_ERROR("NOT IMPLEMENTED");
return -3;
}
/* RFC 5389 - 15.7. REALM*/
case stun_realm:
{
tnet_stun_attribute_realm_t *realm = (tnet_stun_attribute_realm_t*)attribute;
tsk_buffer_append(output, realm->value, tsk_strlen(realm->value));
return 0;
}
/* RFC 5389 - 15.8. NONCE*/
case stun_nonce:
{
tnet_stun_attribute_nonce_t *nonce = (tnet_stun_attribute_nonce_t*)attribute;
tsk_buffer_append(output, nonce->value, tsk_strlen(nonce->value));
return 0;
}
/* RFC 5389 - 15.9. UNKNOWN-ATTRIBUTES*/
case stun_unknown_attributes:
{
TSK_DEBUG_ERROR("NOT IMPLEMENTED");
return -3;
}
/* RFC 5389 - 15.10. SOFTWARE */
case stun_software:
{
tnet_stun_attribute_software_t *software = (tnet_stun_attribute_software_t*)attribute;
tsk_buffer_append(output, software->value, tsk_strlen(software->value));
return 0;
}
/* RFC 5389 - 15.11. ALTERNATE-SERVER */
case stun_alternate_server:
{
TSK_DEBUG_ERROR("NOT IMPLEMENTED");
return -3;
}
/* draft-ietf-behave-turn-16 - */
case stun_channel_number:
case stun_lifetime:
case stun_reserved2:
case stun_xor_peer_address:
case stun_data:
case stun_xor_relayed_address:
case stun_even_port:
case stun_requested_transport:
case stun_dont_fragment:
case stun_reserved3:
case stun_reservation_token:
{
return tnet_turn_attribute_serialize(attribute, output);
}
default:
return -2;
}
}
/** Serializes a DNS RR.
*/
int tnet_dns_rr_serialize(const tnet_dns_rr_t* rr, tsk_buffer_t *output)
{
if(!rr || !output){
return -1;
}
/*=== NAME ===*/
{
tnet_dns_rr_qname_serialize(rr->name, output);
}
/*=== TYPE ===*/
{
uint16_t qtype = tnet_htons(rr->qtype);
tsk_buffer_append(output, &(qtype), 2);
}
/*=== CLASS ===*/
{
uint16_t qclass = tnet_htons(rr->qclass);
tsk_buffer_append(output, &(qclass), 2);
}
/*=== TTL ===*/
{
uint32_t ttl = tnet_htonl(rr->ttl);
tsk_buffer_append(output, &(ttl), 4);
}
/*=== RDLENGTH ===*/
{
uint16_t length = tnet_htons(rr->rdlength);
tsk_buffer_append(output, &(length), 2);
}
/*=== RDATA : Request never contains data
===*/
if(!rr->rpdata){
goto done;
}
switch(rr->qtype){
case qtype_a:
case qtype_aaaa:
case qtype_cname:
case qtype_mx:
case qtype_naptr:
case qtype_ns:
case qtype_opt:
case qtype_ptr:
case qtype_soa:
case qtype_srv:
case qtype_txt:
default:
{
TSK_DEBUG_WARN("DNS Request should not contains RDATA (not supported).");
break;
}
}
done:
return 0;
}
