src/webpasswd/webpasswd.sml

   1 (*
   2 Domtool (http://hcoop.sf.net/)
   3 Copyright (C) 2004  Adam Chlipala
   4
   5 This program is free software; you can redistribute it and/or
   6 modify it under the terms of the GNU General Public License
   7 as published by the Free Software Foundation; either version 2
   8 of the License, or (at your option) any later version.
   9
  10 This program is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; if not, write to the Free Software
  17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  18 *)
  19
  20 (* Utility to let a user set a password in an Apache password file for a user
  21  * name matches his UNIX login name. *)
  22
  23 structure Webpasswd :> WEBPASSWD =
  24 struct
  25     open Config ApacheConfig WebpasswdConfig
  26
  27     fun main () =
  28         let
  29             val uid = SysWord.toInt (Posix.ProcEnv.uidToWord (Posix.ProcEnv.getuid ()))
  30
  31             val proc = Unix.execute("/bin/sh", ["-c", getent ^ " passwd " ^
  32                                                       Int.toString uid])
  33             val (stdout, stdin) = Unix.streamsOf proc
  34
  35             val name =
  36                 case String.tokens (fn ch => ch = #":") (TextIO.inputLine stdout) of
  37                     name::_ => name
  38                   | _ => raise Fail "Unexpected getent output"
  39         in
  40             TextIO.closeOut stdin;
  41             TextIO.closeIn stdout;
  42             if not (OS.Process.isSuccess (Unix.reap proc)) then
  43                 (print "Error reaping getent\n";
  44                  OS.Process.failure)
  45             else
  46                 (print ("Update password for " ^ name ^ "\n");
  47                  OS.Process.system (htpasswd ^ " " ^ passwdFile ^ " \"" ^ name ^ "\""))
  48         end
  49 end
  50