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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
authenticate user
*/
#include "sesman.h"
#define _XOPEN_SOURCE
#include <sys/types.h>
#include <pwd.h>
#include <grp.h>
extern struct config_sesman g_cfg;
/******************************************************************************/
int DEFAULT_CC
access_login_allowed(char* user)
{
int i;
struct group* groups;
struct passwd* pwd;
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)
{
LOG_DBG("Terminal Server Users group is disabled, allowing authentication",1);
return 1;
}
groups = getgrgid(g_cfg.sec.ts_users);
if (0==groups)
{
log_message(LOG_LEVEL_ERROR,"Cannot read group info! - login denied");
return 0;
}
pwd = getpwnam(user);
if (0==pwd)
{
log_message(LOG_LEVEL_ERROR, "Cannot read user info! - login denied");
return 0;
}
if (g_cfg.sec.ts_users==pwd->pw_gid)
{
LOG_DBG("ts_users is user's primary group",1);
return 1;
}
i=0;
while (0!=groups->gr_mem[i])
{
LOG_DBG("user: %s", groups->gr_mem[i]);
if (0==g_strcmp(groups->gr_mem[i], user)) return 1;
i++;
}
log_message(LOG_LEVEL_INFO, "login denied for user %s", user);
return 0;
}
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