| 1 | (* HCoop Domtool (http://hcoop.sourceforge.net/) |
| 2 | * Copyright (c) 2006-2007, Adam Chlipala |
| 3 | * |
| 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. |
| 8 | * |
| 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. |
| 13 | * |
| 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. |
| 17 | *) |
| 18 | |
| 19 | (* Firewall rule querying *) |
| 20 | |
| 21 | structure Firewall :> FIREWALL = struct |
| 22 | |
| 23 | fun query uname = |
| 24 | let |
| 25 | val inf = TextIO.openIn "/etc/firewall/users.rules" |
| 26 | |
| 27 | fun loop rules = |
| 28 | case TextIO.inputLine inf of |
| 29 | NONE => List.rev rules |
| 30 | | SOME line => |
| 31 | if String.sub (line, 0) = #"#" then |
| 32 | loop rules |
| 33 | else case String.tokens Char.isSpace line of |
| 34 | uname'::rest => |
| 35 | if uname = uname' then |
| 36 | loop (String.concatWith " " rest :: rules) |
| 37 | else |
| 38 | loop rules |
| 39 | | _ => loop rules |
| 40 | in |
| 41 | loop [] |
| 42 | before TextIO.closeIn inf |
| 43 | end handle IO.Io _ => [] |
| 44 | |
| 45 | |
| 46 | end |