Beispiel #1
0
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);
    }
}
Beispiel #2
0
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);
}
Beispiel #3
0
static void dhcp_deserialize(struct proto_info *info_, uint8_t const **buf)
{
    struct dhcp_proto_info *info = DOWNCAST(info_, info, dhcp_proto_info);
    proto_info_deserialize(info_, buf);
    unsigned u = deserialize_1(buf);
    info->hw_addr_is_eth = u & 1U;
    info->opcode = u >> 1U;
    info->set_values = deserialize_1(buf);
    if (info->set_values & DHCP_CLIENT_SET) ip_addr_deserialize(&info->client, buf);
    deserialize_n(buf, info->client_mac, sizeof(info->client_mac));
    deserialize_str(buf, info->server_name, sizeof(info->server_name));
}
Beispiel #4
0
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);
}
Beispiel #5
0
static void sdp_deserialize(struct proto_info *info_, uint8_t const **buf)
{
    struct sdp_proto_info *info = DOWNCAST(info_, info, sdp_proto_info);
    proto_info_deserialize(info_, buf);
    info->set_values = deserialize_1(buf);
    if (info->set_values & SDP_HOST_SET)
        ip_addr_deserialize(&info->host, buf);
    if (info->set_values & SDP_PORT_SET)
        info->port = deserialize_2(buf);
}
Beispiel #6
0
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;
    }
}