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dialchk.c
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C/C++ Source or Header
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1995-12-17
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3KB
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85 lines
/*
* Copyright 1989 - 1991, John F. Haugh II
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by John F. Haugh, II
* and other contributors.
* 4. Neither the name of John F. Haugh, II nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY JOHN HAUGH AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL JOHN HAUGH OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <stdio.h>
#include "config.h"
#include "defines.h"
#include "dialup.h"
#ifndef lint
static char rcsid[] = "$Id: dialchk.c,v 1.1 1995/12/16 01:15:45 marekm Exp $";
#endif
extern char *pw_encrypt();
/*
* Check for dialup password
*
* dialcheck tests to see if tty is listed as being a dialup
* line. If so, a dialup password may be required if the shell
* is listed as one which requires a second password.
*/
int dialcheck (tty, shell)
char *tty;
char *shell;
{
char *crypt ();
char *getpass ();
struct dialup *dialup;
char *pass;
char *cp;
setduent ();
if (! isadialup (tty)) {
endduent ();
return (1);
}
if (! (dialup = getdushell (shell))) {
endduent ();
return (1);
}
endduent ();
if (dialup->du_passwd[0] == '\0')
return (1);
if (! (pass = getpass ("Dialup Password:")))
return (0);
cp = pw_encrypt (pass, dialup->du_passwd);
bzero (pass, strlen (pass));
return (strcmp (cp, dialup->du_passwd) == 0);
}