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/**
* xrdp: A Remote Desktop Protocol server.
*
* Copyright (C) Jay Sorg 2004-2012
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* main rdp process
*/
#include "xrdp.h"
static int g_session_id = 0;
/*****************************************************************************/
/* always called from xrdp_listen thread */
struct xrdp_process *APP_CC
xrdp_process_create(struct xrdp_listen *owner, tbus done_event)
{
struct xrdp_process *self;
char event_name[256];
int pid;
self = (struct xrdp_process *)g_malloc(sizeof(struct xrdp_process), 1);
self->lis_layer = owner;
self->done_event = done_event;
g_session_id++;
self->session_id = g_session_id;
pid = g_getpid();
g_snprintf(event_name, 255, "xrdp_%8.8x_process_self_term_event_%8.8x",
pid, self->session_id);
self->self_term_event = g_create_wait_obj(event_name);
return self;
}
/*****************************************************************************/
void APP_CC
xrdp_process_delete(struct xrdp_process *self)
{
if (self == 0)
{
return;
}
g_delete_wait_obj(self->self_term_event);
libxrdp_exit(self->session);
xrdp_wm_delete(self->wm);
trans_delete(self->server_trans);
g_free(self);
}
/*****************************************************************************/
static int APP_CC
xrdp_process_loop(struct xrdp_process *self)
{
int rv;
rv = 0;
if (self->session != 0)
{
rv = libxrdp_process_data(self->session);
}
if ((self->wm == 0) && (self->session->up_and_running) && (rv == 0))
{
DEBUG(("calling xrdp_wm_init and creating wm"));
self->wm = xrdp_wm_create(self, self->session->client_info);
/* at this point the wm(window manager) is create and wm::login_mode is
zero and login_mode_event is set so xrdp_wm_init should be called by
xrdp_wm_check_wait_objs */
}
return rv;
}
/*****************************************************************************/
/* returns boolean */
/* this is so libxrdp.so can known when to quit looping */
static int DEFAULT_CC
xrdp_is_term(void)
{
return g_is_term();
}
/*****************************************************************************/
static int APP_CC
xrdp_process_mod_end(struct xrdp_process *self)
{
if (self->wm != 0)
{
if (self->wm->mm != 0)
{
if (self->wm->mm->mod != 0)
{
if (self->wm->mm->mod->mod_end != 0)
{
return self->wm->mm->mod->mod_end(self->wm->mm->mod);
}
}
}
}
return 0;
}
/*****************************************************************************/
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 = 0;
tbus robjs[32];
tbus wobjs[32];
tbus term_obj;
DEBUG(("xrdp_process_main_loop"));
self->status = 1;
self->server_trans->trans_data_in = xrdp_process_data_in;
self->server_trans->callback_data = self;
self->session = libxrdp_init((tbus)self, self->server_trans);
/* this callback function is in xrdp_wm.c */
self->session->callback = callback;
/* this function is just above */
self->session->is_term = xrdp_is_term;
if (libxrdp_process_incomming(self->session) == 0)
{
term_obj = g_get_term_event();
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++] = self->self_term_event;
xrdp_wm_get_wait_objs(self->wm, robjs, &robjs_count,
wobjs, &wobjs_count, &timeout);
trans_get_wait_objs(self->server_trans, robjs, &robjs_count);
/* 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 (xrdp_wm_check_wait_objs(self->wm) != 0)
{
break;
}
if (trans_check_wait_objs(self->server_trans) != 0)
{
break;
}
}
libxrdp_disconnect(self->session);
}
else
{
g_writeln("xrdp_process_main_loop: libxrdp_process_incomming failed");
}
xrdp_process_mod_end(self);
libxrdp_exit(self->session);
self->session = 0;
self->status = -1;
g_set_wait_obj(self->done_event);
return 0;
}
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