static int DEFAULT_CC xrdp_process_data_in(struct trans* self) { struct xrdp_process* pro; DEBUG(("xrdp_process_data_in")); pro = (struct xrdp_process*)(self->callback_data); if (xrdp_process_loop(pro) != 0) { return 1; } return 0; }
int APP_CC xrdp_process_main_loop(struct xrdp_process* self) { int robjs_count; int wobjs_count; int cont; int timeout; tbus robjs[32]; tbus wobjs[32]; tbus term_obj; tbus sck_obj; self->status = 1; self->session = libxrdp_init((long)self, self->sck); /* this callback function is in xrdp_wm.c */ self->session->callback = callback; /* this function is just above */ self->session->is_term = xrdp_is_term; g_tcp_set_non_blocking(self->sck); g_tcp_set_no_delay(self->sck); if (libxrdp_process_incomming(self->session) == 0) { term_obj = g_get_term_event(); sck_obj = g_create_wait_obj_from_socket(self->sck, 0); cont = 1; while (cont) { /* build the wait obj list */ timeout = -1; robjs_count = 0; wobjs_count = 0; robjs[robjs_count++] = term_obj; robjs[robjs_count++] = sck_obj; robjs[robjs_count++] = self->self_term_event; xrdp_wm_get_wait_objs(self->wm, robjs, &robjs_count, wobjs, &wobjs_count, &timeout); /* wait */ if (g_obj_wait(robjs, robjs_count, wobjs, wobjs_count, timeout) != 0) { /* error, should not get here */ g_sleep(100); } if (g_is_wait_obj_set(term_obj)) /* term */ { break; } if (g_is_wait_obj_set(self->self_term_event)) { break; } if (g_is_wait_obj_set(sck_obj)) /* incomming client data */ { if (xrdp_process_loop(self) != 0) { break; } } if (xrdp_wm_check_wait_objs(self->wm) != 0) { break; } } g_delete_wait_obj_from_socket(sck_obj); libxrdp_disconnect(self->session); } xrdp_process_mod_end(self); libxrdp_exit(self->session); self->session = 0; g_tcp_close(self->sck); self->status = -1; g_set_wait_obj(self->done_event); return 0; }
static int DEFAULT_CC xrdp_process_data_in(struct trans *self) { struct xrdp_process *pro; struct stream *s; int len; DEBUG(("xrdp_process_data_in")); pro = (struct xrdp_process *)(self->callback_data); s = pro->server_trans->in_s; switch (pro->server_trans->extra_flags) { case 0: /* early in connection sequence, we're in this mode */ if (xrdp_process_loop(pro, 0) != 0) { g_writeln("xrdp_process_data_in: " "xrdp_process_loop failed"); return 1; } if (pro->session->up_and_running) { pro->server_trans->header_size = 2; pro->server_trans->extra_flags = 1; init_stream(s, 0); } break; case 1: /* we got 2 bytes */ if (s->p[0] == 3) { pro->server_trans->header_size = 4; pro->server_trans->extra_flags = 2; } else { if (s->p[1] & 0x80) { pro->server_trans->header_size = 3; pro->server_trans->extra_flags = 2; } else { len = (tui8)(s->p[1]); pro->server_trans->header_size = len; pro->server_trans->extra_flags = 3; } } len = (int) (s->end - s->data); if (pro->server_trans->header_size > len) { /* not enough data read yet */ break; } /* FALLTHROUGH */ case 2: /* we have enough now to get the PDU bytes */ len = libxrdp_get_pdu_bytes(s->p); if (len == -1) { g_writeln("xrdp_process_data_in: " "xrdp_process_get_packet_bytes failed"); return 1; } pro->server_trans->header_size = len; pro->server_trans->extra_flags = 3; len = (int) (s->end - s->data); if (pro->server_trans->header_size > len) { /* not enough data read yet */ break; } /* FALLTHROUGH */ case 3: /* the whole PDU is read in now process */ s->p = s->data; if (xrdp_process_loop(pro, s) != 0) { g_writeln("xrdp_process_data_in: " "xrdp_process_loop failed"); return 1; } init_stream(s, 0); pro->server_trans->header_size = 2; pro->server_trans->extra_flags = 1; break; } return 0; }