/* returns error */
int APP_CC
read_preamble_packet(struct xrdp_process* self)
{
// Using the session stream
int ns_len = 0;
int idx;
int len;
// cache a pointer to client_info
struct xrdp_client_info *client_info = self->session->client_info;
struct stream* s;
make_stream(s);
init_stream(s, 10000);
DEBUG(("in read_preamble_packet"));
// 5 bytes should include the colon
if (trans_force_read_s(self->server_trans, s, 5) == 0)
{
idx = g_pos(s->data, ":") + 1; // skip colon
ns_len = g_atoi(s->data);
DEBUG(("Preamble length %i", ns_len));
len = ns_len - 5 + idx + 1; // trailing comma as well
DEBUG(("Preamble to read %i", len));
if (trans_force_read_s(self->server_trans, s, len) == 0)
{
DEBUG(("Preamble body %s", s->data));
// this will be used as a processing buffer when data required
// so do not assume will exist in this state later on.
client_info->osirium_preamble_buffer = (char*)g_malloc(ns_len+1, 1);
in_uint8s(s, idx); // skip netstring header
in_uint8a(s,
client_info->osirium_preamble_buffer,
ns_len);
DEBUG(("Preamble %s", client_info->osirium_preamble_buffer));
free_stream(s);
return 0;
}
}
free_stream(s);
DEBUG(("out read_preamble_packet"));
return 0;
}
/* returns error */
int APP_CC
xrdp_tcp_recv(struct xrdp_tcp* self, struct stream* s, int len)
{
DEBUG((" in xrdp_tcp_recv, gota get %d bytes", len));
init_stream(s, len);
if (trans_force_read_s(self->trans, s, len) != 0)
{
DEBUG((" error in trans_force_read_s"));
return 1;
}
DEBUG((" out xrdp_tcp_recv"));
return 0;
}
int APP_CC
trans_force_read(struct trans *self, int size)
{
return trans_force_read_s(self, self->in_s, size);
}