static void tcp_deserialize(struct proto_info *info_, uint8_t const **buf)
{
struct tcp_proto_info *info = DOWNCAST(info_, info, tcp_proto_info);
proto_info_deserialize(info_, buf);
info->key.port[0] = deserialize_2(buf);
info->key.port[1] = deserialize_2(buf);
unsigned flags = deserialize_1(buf);
info->syn = !!(flags & 0x01);
info->ack = !!(flags & 0x02);
info->rst = !!(flags & 0x04);
info->fin = !!(flags & 0x08);
info->urg = !!(flags & 0x10);
info->psh = !!(flags & 0x20);
info->to_srv = !!(flags & 0x40);
info->window = deserialize_2(buf);
info->urg_ptr = deserialize_2(buf);
info->ack_num = deserialize_4(buf);
info->seq_num = deserialize_4(buf);
info->rel_seq_num = deserialize_4(buf);
info->set_values = deserialize_1(buf);
info->mss = deserialize_2(buf);
info->wsf = deserialize_1(buf);
info->nb_options = deserialize_1(buf);
for (unsigned o = 0; o < info->nb_options; o++) {
info->options[o] = deserialize_1(buf);
}
}
static void sip_deserialize(struct proto_info *info_, uint8_t const **buf)
{
struct sip_proto_info *info = DOWNCAST(info_, info, sip_proto_info);
proto_info_deserialize(info_, buf);
info->set_values = deserialize_2(buf);
if (info->set_values & SIP_CMD_SET)
info->cmd = deserialize_1(buf);
if (info->set_values & SIP_FROM_SET)
deserialize_str(buf, info->from, sizeof(info->from));
if (info->set_values & SIP_TO_SET)
deserialize_str(buf, info->to, sizeof(info->to));
if (info->set_values & SIP_CALLID_SET)
deserialize_str(buf, info->call_id, sizeof(info->call_id));
if (info->set_values & SIP_MIME_SET)
deserialize_str(buf, info->mime_type, sizeof(info->mime_type));
if (info->set_values & SIP_VIA_SET) {
info->via.protocol = deserialize_1(buf);
ip_addr_deserialize(&info->via.addr, buf);
info->via.port = deserialize_2(buf);
}
if (info->set_values & SIP_LENGTH_SET)
info->content_length = deserialize_4(buf);
if (info->set_values & SIP_CODE_SET)
info->code = deserialize_4(buf);
if (info->set_values & SIP_CSEQ_SET)
info->cseq = deserialize_4(buf);
}
static void rtp_deserialize(struct proto_info *info_, uint8_t const **buf)
{
struct rtp_proto_info *info = DOWNCAST(info_, info, rtp_proto_info);
proto_info_deserialize(info_, buf);
info->sync_src = deserialize_4(buf);
info->seq_num = deserialize_2(buf);
info->payload_type = deserialize_1(buf);
info->timestamp = deserialize_4(buf);
}
//! Deserialize an unsigned int value
uint32 Deserializer::deserialize_uint() {
DESERIALIZE_IN("uint", 0)
STREAM_SAFETY_CHECK(p + 1 <= mDataEnd, "OUT OF SYNC: insufficient data remaining in buffer", out_of_data, DESERIALIZE_OUT);
if (p + 1 > mDataEnd) return 0;
uint32 val = *p++;
if (val == tag_longLen) {
val = deserialize_2();
} else if (val == tag_veryLongLen) {
val = deserialize_4();
}
DESERIALIZE_OUT;
return val;
}
void ip_addr_deserialize(struct ip_addr *addr, uint8_t const **buf)
{
unsigned version = deserialize_1(buf);
if (version == 4) {
addr->family = AF_INET;
addr->u.v4.s_addr = deserialize_4(buf);
} else if (version == 6) {
addr->family = AF_INET6;
deserialize_n(buf, &addr->u.v6, sizeof(addr->u.v6));
} else {
SLOG(LOG_ERR, "Cannot deserialize ip_addr of version %u", version);
addr->family = AF_INET; // run forest, run!
addr->u.v4.s_addr = 0U;
}
}
