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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 access.c
* @brief User access control code
* @author Simone Fedele
*
*/
#include "sesman.h"
extern struct config_sesman* g_cfg;
/******************************************************************************/
int DEFAULT_CC
access_login_allowed(char* user)
{
int gid;
int ok;
if ((0 == g_strncmp(user, "root", 5)) && (0 == g_cfg->sec.allow_root))
{
log_message(&(g_cfg->log), LOG_LEVEL_WARNING,
"ROOT login attempted, but root login is disabled");
return 0;
}
if (0 == g_cfg->sec.ts_users_enable)
{
LOG_DBG(&(g_cfg->log), "Terminal Server Users group is disabled, allowing authentication",
1);
return 1;
}
if (0 != g_getuser_info(user, &gid, 0, 0, 0, 0))
{
log_message(&(g_cfg->log), LOG_LEVEL_ERROR, "Cannot read user info! - login denied");
return 0;
}
if (g_cfg->sec.ts_users == gid)
{
LOG_DBG(&(g_cfg->log), "ts_users is user's primary group");
return 1;
}
if (0 != g_check_user_in_group(user, g_cfg->sec.ts_users, &ok))
{
log_message(&(g_cfg->log), LOG_LEVEL_ERROR, "Cannot read group info! - login denied");
return 0;
}
if (ok)
{
return 1;
}
log_message(&(g_cfg->log), LOG_LEVEL_INFO, "login denied for user %s", user);
return 0;
}
/******************************************************************************/
int DEFAULT_CC
access_login_mng_allowed(char* user)
{
int gid;
int ok;
if ((0 == g_strncmp(user, "root", 5)) && (0 == g_cfg->sec.allow_root))
{
log_message(&(g_cfg->log), LOG_LEVEL_WARNING,
"[MNG] ROOT login attempted, but root login is disabled");
return 0;
}
if (0 == g_cfg->sec.ts_admins_enable)
{
LOG_DBG(&(g_cfg->log), "[MNG] Terminal Server Admin group is disabled, allowing authentication",
1);
return 1;
}
if (0 != g_getuser_info(user, &gid, 0, 0, 0, 0))
{
log_message(&(g_cfg->log), LOG_LEVEL_ERROR, "[MNG] Cannot read user info! - login denied");
return 0;
}
if (g_cfg->sec.ts_admins == gid)
{
LOG_DBG(&(g_cfg->log), "[MNG] ts_users is user's primary group");
return 1;
}
if (0 != g_check_user_in_group(user, g_cfg->sec.ts_admins, &ok))
{
log_message(&(g_cfg->log), LOG_LEVEL_ERROR, "[MNG] Cannot read group info! - login denied");
return 0;
}
if (ok)
{
return 1;
}
log_message(&(g_cfg->log), LOG_LEVEL_INFO, "[MNG] login denied for user %s", user);
return 0;
}
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