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/*
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
xrdp: A Remote Desktop Protocol server.
Copyright (C) Jay Sorg 2005-2008
*/
/**
*
* @file scp_v0.c
* @brief scp version 0 implementation
* @author Jay Sorg, Simone Fedele
*
*/
#include "sesman.h"
extern struct config_sesman* g_cfg; /* in sesman.c */
/******************************************************************************/
void DEFAULT_CC
scp_v0_process(struct SCP_CONNECTION* c, struct SCP_SESSION* s)
{
int display = 0;
tbus data;
struct session_item* s_item;
data = auth_userpass(s->username, s->password);
if (s->type == SCP_GW_AUTHENTICATION)
{
/* this is just authentication in a gateway situation */
/* g_writeln("SCP_GW_AUTHENTICATION message received"); */
if (data)
{
if (1 == access_login_allowed(s->username))
{
/* the user is member of the correct groups. */
scp_v0s_replyauthentication(c, 0);
log_message(LOG_LEVEL_INFO, "Access permitted for user: %s",
s->username);
/* g_writeln("Connection allowed"); */
}
else
{
scp_v0s_replyauthentication(c,3);
log_message(LOG_LEVEL_INFO, "Username okey but group problem for "
"user: %s", s->username);
/* g_writeln("user password ok, but group problem"); */
}
}
else
{
/* g_writeln("username or password error"); */
log_message(LOG_LEVEL_INFO, "Username or password error for user: %s",
s->username);
scp_v0s_replyauthentication(c, 2);
}
auth_end(data);
}
else if (data)
{
s_item = session_get_bydata(s->username, s->width, s->height,
s->bpp, s->type);
if (s_item != 0)
{
display = s_item->display;
if (0 != s->client_ip)
{
log_message( LOG_LEVEL_INFO, "++ reconnected session: username %s, "
"display :%d.0, session_pid %d, ip %s",
s->username, display, s_item->pid, s->client_ip);
}
else
{
log_message(LOG_LEVEL_INFO, "++ reconnected session: username %s, "
"display :%d.0, session_pid %d", s->username, display,
s_item->pid);
}
session_reconnect(display, s->username);
auth_end(data);
/* don't set data to null here */
}
else
{
LOG_DBG("pre auth");
if (1 == access_login_allowed(s->username))
{
if (0 != s->client_ip)
{
log_message(LOG_LEVEL_INFO, "++ created session (access granted): "
"username %s, ip %s", s->username, s->client_ip);
}
else
{
log_message(LOG_LEVEL_INFO, "++ created session (access granted): "
"username %s", s->username);
}
if (SCP_SESSION_TYPE_XVNC == s->type)
{
log_message( LOG_LEVEL_INFO, "starting Xvnc session...");
display = session_start(s->width, s->height, s->bpp, s->username,
s->password, data, SESMAN_SESSION_TYPE_XVNC,
s->domain, s->program, s->directory,
s->client_ip);
}
else
{
log_message(LOG_LEVEL_INFO, "starting X11rdp session...");
display = session_start(s->width, s->height, s->bpp, s->username,
s->password, data, SESMAN_SESSION_TYPE_XRDP,
s->domain, s->program, s->directory,
s->client_ip);
}
}
else
{
display = 0;
}
}
if (display == 0)
{
auth_end(data);
scp_v0s_deny_connection(c);
}
else
{
scp_v0s_allow_connection(c, display);
}
}
else
{
scp_v0s_deny_connection(c);
}
}
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