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/* ========================================================================
* Copyright 1988-2006 University of Washington
*
* 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
*
*
* ========================================================================
*/
/*
* Program: Cygwin check password
*
* Author: Mark Crispin
* Networks and Distributed Computing
* Computing & Communications
* University of Washington
* Administration Building, AG-44
* Seattle, WA 98195
* Internet: MRC@CAC.Washington.EDU
*
* Date: 1 August 1988
* Last Edited: 30 August 2006
*/
/* This module is against my better judgement. If you want to run an imapd
* or ipop[23]d you should use the native NT or W2K ports intead of this
* Cygwin port. There is no surety that this module works right or will work
* right in the future.
*/
#undef ERROR
#define NOCRYPT
#include <windows.h>
#include <sys/cygwin.h>
/* Check password
* Accepts: login passwd struct
* password string
* argument count
* argument vector
* Returns: passwd struct if password validated, NIL otherwise
*/
static char *cyg_user = NIL;
static HANDLE cyg_hdl = NIL;
struct passwd *checkpw (struct passwd *pw,char *pass,int argc,char *argv[])
{
/* flush last pw-checked user */
if (cyg_user) fs_give ((void **) &cyg_user);
/* forbid if UID 0 or SYSTEM uid */
if (!pw->pw_uid || (pw->pw_uid == SYSTEMUID) ||
((cyg_hdl = cygwin_logon_user (pw,pass)) == INVALID_HANDLE_VALUE))
return NIL; /* bad UID or password */
/* remember user for this handle */
cyg_user = cpystr (pw->pw_name);
return pw;
}
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