source/utils/passwd_util.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    passdb editing frontend
   4
   5    Copyright (C) Jeremy Allison  1998
   6    Copyright (C) Andrew Tridgell 1998
   7    Copyright (C) Tim Potter      2000
   8    Copyright (C) Simo Sorce      2000
   9    Copyright (C) Martin Pool     2001
  10    Copyright (C) Gerald Carter   2002
  11    Copyright (C) Andrew Bartlett 2003
  12
  13    This program is free software; you can redistribute it and/or modify
  14    it under the terms of the GNU General Public License as published by
  15    the Free Software Foundation; either version 2 of the License, or
  16    (at your option) any later version.
  17
  18    This program is distributed in the hope that it will be useful,
  19    but WITHOUT ANY WARRANTY; without even the implied warranty of
  20    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21    GNU General Public License for more details.
  22
  23    You should have received a copy of the GNU General Public License
  24    along with this program; if not, write to the Free Software
  25    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  26 */
  27
  28 #include "includes.h"
  29
  30 /*************************************************************
  31  Utility function to prompt for passwords from stdin. Each
  32  password entered must end with a newline.
  33 *************************************************************/
  34 char *stdin_new_passwd( void)
  35 {
  36         static fstring new_pw;
  37         size_t len;
  38
  39         ZERO_ARRAY(new_pw);
  40
  41         /*
  42          * if no error is reported from fgets() and string at least contains
  43          * the newline that ends the password, then replace the newline with
  44          * a null terminator.
  45          */
  46         if ( fgets(new_pw, sizeof(new_pw), stdin) != NULL) {
  47                 if ((len = strlen(new_pw)) > 0) {
  48                         if(new_pw[len-1] == '\n')
  49                                 new_pw[len - 1] = 0;
  50                 }
  51         }
  52         return(new_pw);
  53 }
  54
  55 /*************************************************************
  56  Utility function to get passwords via tty or stdin
  57  Used if the '-s' (smbpasswd) or '-t' (pdbedit) option is set
  58  to silently get passwords to enable scripting.
  59 *************************************************************/
  60 char *get_pass( const char *prompt, BOOL stdin_get)
  61 {
  62         char *p;
  63         if (stdin_get) {
  64                 p = stdin_new_passwd();
  65         } else {
  66                 p = getpass( prompt);
  67         }
  68         return smb_xstrdup( p);
  69 }