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/**
* xrdp: A Remote Desktop Protocol server.
*
* Copyright (C) Jay Sorg 2004-2015
*
* 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.
*/
/**
*
* @file access.c
* @brief User access control code
* @author Simone Fedele
*
*/
#include "sesman.h"
extern struct config_sesman *g_cfg; /* in sesman.c */
/******************************************************************************/
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(LOG_LEVEL_WARNING,
"ROOT login attempted, but root login is disabled");
return 0;
}
if ((0 == g_cfg->sec.ts_users_enable) && (0==g_cfg->sec.ts_always_group_check))
{
LOG_DBG("Terminal Server Users group is disabled, allowing authentication",
1);
return 1;
}
if (0 != g_getuser_info(user, &gid, 0, 0, 0, 0))
{
log_message(LOG_LEVEL_ERROR, "Cannot read user info! - login denied");
return 0;
}
if (g_cfg->sec.ts_users == gid)
{
log_message(LOG_LEVEL_DEBUG,"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(LOG_LEVEL_ERROR, "Cannot read group info! - login denied");
return 0;
}
if (ok)
{
return 1;
}
log_message(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(LOG_LEVEL_WARNING,
"[MNG] ROOT login attempted, but root login is disabled");
return 0;
}
if (0 == g_cfg->sec.ts_admins_enable)
{
LOG_DBG("[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(LOG_LEVEL_ERROR, "[MNG] Cannot read user info! - login denied");
return 0;
}
if (g_cfg->sec.ts_admins == gid)
{
LOG_DBG("[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(LOG_LEVEL_ERROR, "[MNG] Cannot read group info! - login denied");
return 0;
}
if (ok)
{
return 1;
}
log_message(LOG_LEVEL_INFO, "[MNG] login denied for user %s", user);
return 0;
}
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