mirror of https://github.com/neutrinolabs/xrdp
135 lines
3.5 KiB
C
135 lines
3.5 KiB
C
/**
|
|
* 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.
|
|
*/
|
|
|
|
/**
|
|
*
|
|
* @file env.c
|
|
* @brief User environment handling code
|
|
* @author Jay Sorg
|
|
*
|
|
*/
|
|
|
|
#include "sesman.h"
|
|
|
|
#include "sys/types.h"
|
|
#include "grp.h"
|
|
|
|
extern unsigned char g_fixedkey[8]; /* in sesman.c */
|
|
extern struct config_sesman *g_cfg; /* in sesman.c */
|
|
|
|
/******************************************************************************/
|
|
int DEFAULT_CC
|
|
env_check_password_file(char *filename, char *password)
|
|
{
|
|
char encryptedPasswd[16];
|
|
int fd;
|
|
|
|
g_memset(encryptedPasswd, 0, 16);
|
|
g_strncpy(encryptedPasswd, password, 8);
|
|
rfbDesKey(g_fixedkey, 0);
|
|
rfbDes((unsigned char *)encryptedPasswd, (unsigned char *)encryptedPasswd);
|
|
fd = g_file_open(filename);
|
|
|
|
if (fd == -1)
|
|
{
|
|
log_message(LOG_LEVEL_WARNING,
|
|
"can't read vnc password file - %s",
|
|
filename);
|
|
return 1;
|
|
}
|
|
|
|
g_file_write(fd, encryptedPasswd, 8);
|
|
g_file_close(fd);
|
|
return 0;
|
|
}
|
|
|
|
/******************************************************************************/
|
|
int DEFAULT_CC
|
|
env_set_user(char *username, char *passwd_file, int display)
|
|
{
|
|
int error;
|
|
int pw_uid;
|
|
int pw_gid;
|
|
int uid;
|
|
char pw_shell[256];
|
|
char pw_dir[256];
|
|
char pw_gecos[256];
|
|
char text[256];
|
|
|
|
error = g_getuser_info(username, &pw_gid, &pw_uid, pw_shell, pw_dir,
|
|
pw_gecos);
|
|
|
|
if (error == 0)
|
|
{
|
|
g_rm_temp_dir();
|
|
error = g_setgid(pw_gid);
|
|
|
|
if (error == 0)
|
|
{
|
|
error = g_initgroups(username, pw_gid);
|
|
}
|
|
|
|
if (error == 0)
|
|
{
|
|
uid = pw_uid;
|
|
error = g_setuid(uid);
|
|
}
|
|
|
|
g_mk_temp_dir(0);
|
|
|
|
if (error == 0)
|
|
{
|
|
g_clearenv();
|
|
g_setenv("SHELL", pw_shell, 1);
|
|
g_setenv("PATH", "/bin:/usr/bin:/usr/X11R6/bin:/usr/local/bin", 1);
|
|
g_setenv("USER", username, 1);
|
|
g_sprintf(text, "%d", uid);
|
|
g_setenv("UID", text, 1);
|
|
g_setenv("HOME", pw_dir, 1);
|
|
g_set_current_dir(pw_dir);
|
|
g_sprintf(text, ":%d.0", display);
|
|
g_setenv("DISPLAY", text, 1);
|
|
|
|
if (passwd_file != 0)
|
|
{
|
|
if (0 == g_cfg->auth_file_path)
|
|
{
|
|
/* if no auth_file_path is set, then we go for
|
|
$HOME/.vnc/sesman_username_passwd */
|
|
g_mkdir(".vnc");
|
|
g_sprintf(passwd_file, "%s/.vnc/sesman_%s_passwd", pw_dir, username);
|
|
}
|
|
else
|
|
{
|
|
/* we use auth_file_path as requested */
|
|
g_sprintf(passwd_file, g_cfg->auth_file_path, username);
|
|
}
|
|
|
|
LOG_DBG("pass file: %s", passwd_file);
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
log_message(LOG_LEVEL_ERROR,
|
|
"error getting user info for user %s", username);
|
|
}
|
|
|
|
return error;
|
|
}
|