104 lines
2.9 KiB
C
104 lines
2.9 KiB
C
/*****************************************************************************
|
|
*
|
|
* File ..................: bbs/pwcheck.c
|
|
* Purpose ...............: Password checking routines
|
|
* Last modification date : 18-Oct-2001
|
|
*
|
|
*****************************************************************************
|
|
* Copyright (C) 1997-2001
|
|
*
|
|
* Michiel Broek FIDO: 2:280/2802
|
|
* Beekmansbos 10 Internet: mbroek@users.sourceforge.net
|
|
* 1971 BV IJmuiden
|
|
* the Netherlands
|
|
*
|
|
* This file is part of MBSE BBS.
|
|
*
|
|
* This BBS 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, or (at your option) any
|
|
* later version.
|
|
*
|
|
* MBSE BBS 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 MBSE BBS; see the file COPYING. If not, write to the Free
|
|
* Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
*****************************************************************************/
|
|
|
|
#include "../lib/libs.h"
|
|
#include "../lib/mbse.h"
|
|
#include "../lib/structs.h"
|
|
#include "../lib/records.h"
|
|
#include "../lib/common.h"
|
|
#include "../lib/clcomm.h"
|
|
#include "pwcheck.h"
|
|
#include "funcs4.h"
|
|
#include "timeout.h"
|
|
|
|
|
|
/*
|
|
* Open up /dev/tty to get the password from the user
|
|
* because this is done in raw mode, it makes life a bit
|
|
* more difficult.
|
|
* This function gets a password from a user, upto Max_passlen
|
|
*/
|
|
int Getpass(char *theword)
|
|
{
|
|
unsigned char c = 0;
|
|
int counter = 0;
|
|
char password[Max_passlen+1];
|
|
|
|
/*
|
|
* Open the device that we want to read the password from, you can't use
|
|
* stdin as this might change in a pipe
|
|
*/
|
|
if ((ttyfd = open ("/dev/tty", O_RDWR)) < 0) {
|
|
perror("open 7");
|
|
ExitClient(1);
|
|
}
|
|
|
|
/* Set Raw mode so that the characters don't echo */
|
|
Setraw();
|
|
alarm_on();
|
|
|
|
/*
|
|
* Till the user presses ENTER or reaches the maximum length allowed
|
|
*/
|
|
while ((c != 13) && (counter < Max_passlen )) {
|
|
|
|
fflush(stdout);
|
|
c = Readkey(); /* Reads a character from the raw device */
|
|
|
|
if (((c == 8) || (c == KEY_DEL) || (c == 127)) && (counter != 0 )) { /* If its a BACKSPACE */
|
|
counter--;
|
|
password[counter] = '\0';
|
|
printf("\x008 \x008");
|
|
continue;
|
|
} /* Backtrack to fix the BACKSPACE */
|
|
|
|
if (((c == 8) || (c == KEY_DEL) || (c == 127)) && (counter == 0) ) {
|
|
printf("\x007");
|
|
continue;
|
|
} /* Don't Backtrack as we are at the begining of the passwd field */
|
|
|
|
if (isalnum(c)) {
|
|
password[counter] = c;
|
|
counter++;
|
|
printf("%c", CFG.iPasswd_Char);
|
|
}
|
|
}
|
|
Unsetraw(); /* Go normal */
|
|
close(ttyfd);
|
|
|
|
password[counter] = '\0'; /* Make sure the string has a NULL at the end*/
|
|
strcpy(theword,password);
|
|
|
|
return(0);
|
|
}
|
|
|
|
|