1 (* HCoop
Domtool (http
://hcoop
.sourceforge
.net
/)
2 * Copyright (c
) 2006-2007, Adam Chlipala
4 * This program is free software
; you can redistribute it
and/or
5 * modify it under the terms
of the GNU General Public License
6 * as published by the Free Software Foundation
; either version
2
7 * of the License
, or (at your option
) any later version
.
9 * This program is distributed
in the hope that it will be useful
,
10 * but WITHOUT ANY WARRANTY
; without even the implied warranty
of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE
. See the
12 * GNU General Public License for more details
.
14 * You should have received a copy
of the GNU General Public License
15 * along
with this program
; if not
, write to the Free Software
16 * Foundation
, Inc
., 51 Franklin Street
, Fifth Floor
, Boston
, MA
02110-1301, USA
.
19 (* Firewall rule querying
*)
21 structure Firewall
:> FIREWALL
= struct
25 val inf
= TextIO.openIn
"/etc/firewall/users.rules"
28 case TextIO.inputLine inf
of
29 NONE
=> List.rev rules
31 if String.sub (line
, 0) = #
"#" then
33 else case String.tokens
Char.isSpace line
of
35 if uname
= uname
' then
36 loop (String.concatWith
" " rest
:: rules
)
42 before TextIO.closeIn inf
43 end handle IO
.Io _
=> []