121 lines
2.6 KiB
C
121 lines
2.6 KiB
C
/*
|
|
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 2005-2006
|
|
*/
|
|
|
|
/**
|
|
*
|
|
* @file verify_user.c
|
|
* @brief Authenticate user using standard unix passwd/shadow system
|
|
* @author Jay Sorg
|
|
*
|
|
*/
|
|
|
|
#include "sesman.h"
|
|
|
|
#define _XOPEN_SOURCE
|
|
#include <stdio.h>
|
|
#include <sys/types.h>
|
|
#include <crypt.h>
|
|
#include <shadow.h>
|
|
#include <pwd.h>
|
|
|
|
extern struct config_sesman g_cfg;
|
|
|
|
/******************************************************************************/
|
|
/* returns boolean */
|
|
long DEFAULT_CC
|
|
auth_userpass(char* user, char* pass)
|
|
{
|
|
char salt[13] = "$1$";
|
|
char hash[35] = "";
|
|
char* encr = 0;
|
|
struct passwd* spw;
|
|
struct spwd* stp;
|
|
int saltcnt = 0;
|
|
|
|
spw = getpwnam(user);
|
|
if (spw == 0)
|
|
{
|
|
return 0;
|
|
}
|
|
if (g_strncmp(spw->pw_passwd, "x", 3) == 0)
|
|
{
|
|
/* the system is using shadow */
|
|
stp = getspnam(user);
|
|
if (stp == 0)
|
|
{
|
|
return 0;
|
|
}
|
|
g_strncpy(hash, stp->sp_pwdp, 34);
|
|
}
|
|
else
|
|
{
|
|
/* old system with only passwd */
|
|
g_strncpy(hash, spw->pw_passwd, 34);
|
|
}
|
|
hash[34] = '\0';
|
|
if (g_strncmp(hash, "$1$", 3) == 0)
|
|
{
|
|
/* gnu style crypt(); */
|
|
saltcnt = 3;
|
|
while ((hash[saltcnt] != '$') && (saltcnt < 11))
|
|
{
|
|
salt[saltcnt] = hash[saltcnt];
|
|
saltcnt++;
|
|
}
|
|
salt[saltcnt] = '$';
|
|
salt[saltcnt + 1] = '\0';
|
|
}
|
|
else
|
|
{
|
|
/* classic two char salt */
|
|
salt[0] = hash[0];
|
|
salt[1] = hash[1];
|
|
salt[2] = '\0';
|
|
}
|
|
encr = crypt(pass,salt);
|
|
if (g_strncmp(encr, hash, 34) != 0)
|
|
{
|
|
return 0;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
/******************************************************************************/
|
|
/* returns error */
|
|
int DEFAULT_CC
|
|
auth_start_session(long in_val, int in_display)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
/******************************************************************************/
|
|
int DEFAULT_CC
|
|
auth_end(long in_val)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
/******************************************************************************/
|
|
int DEFAULT_CC
|
|
auth_set_env(long in_val)
|
|
{
|
|
return 0;
|
|
}
|
|
|