| 1 | (* HCoop Domtool (http://hcoop.sourceforge.net/) |
| 2 | * Copyright (c) 2006, 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 | (* Administration of Courier IMAP virtual mailboxes *) |
| 20 | |
| 21 | structure Vmail :> VMAIL = struct |
| 22 | |
| 23 | fun rebuild () = Slave.shell [Config.Courier.postReload] |
| 24 | |
| 25 | datatype listing = |
| 26 | Error of string |
| 27 | | Listing of string list |
| 28 | |
| 29 | fun list domain = |
| 30 | let |
| 31 | val inf = TextIO.openIn (OS.Path.joinDirFile {dir = Config.Courier.userdbDir, |
| 32 | file = domain}) |
| 33 | |
| 34 | fun loop users = |
| 35 | case TextIO.inputLine inf of |
| 36 | NONE => Listing (rev users) |
| 37 | | SOME line => |
| 38 | case String.tokens Char.isSpace line of |
| 39 | [addr, _] => |
| 40 | (case String.fields (fn ch => ch = #"@") addr of |
| 41 | [user, _] => loop (user :: users) |
| 42 | | _ => Error "Invalid e-mail address format in database") |
| 43 | | _ => Error "Invalid entry in database" |
| 44 | in |
| 45 | loop [] |
| 46 | before TextIO.closeIn inf |
| 47 | end |
| 48 | handle IO.Io _ => Listing [] |
| 49 | |
| 50 | fun add {domain, requester, user, passwd, mailbox} = |
| 51 | let |
| 52 | val udb = Posix.SysDB.getpwnam requester |
| 53 | val uid = Word.toInt (Posix.ProcEnv.uidToWord (Posix.SysDB.Passwd.uid udb)) |
| 54 | val gid = Word.toInt (Posix.ProcEnv.gidToWord (Posix.SysDB.Passwd.gid udb)) |
| 55 | val home = Posix.SysDB.Passwd.home udb |
| 56 | in |
| 57 | if not (Slave.shell [Config.Courier.userdb, " \"", domain, "/", user, "@", domain, |
| 58 | "\" set home=", home, " mail=", mailbox, |
| 59 | " uid=", Int.toString uid, " gid=" ^ Int.toString gid]) then |
| 60 | SOME "Error running userdb" |
| 61 | else |
| 62 | let |
| 63 | val proc = Unix.execute ("/bin/sh", ["-c", |
| 64 | String.concat [Config.Courier.userdbpw, " | ", Config.Courier.userdb, |
| 65 | " \"", domain, "/", user, "@", domain, "\" set systempw"]]) |
| 66 | val outf = Unix.textOutstreamOf proc |
| 67 | in |
| 68 | TextIO.output (outf, String.concat [passwd, "\n", passwd, "\n"]); |
| 69 | TextIO.closeOut outf; |
| 70 | if not (OS.Process.isSuccess (Unix.reap proc)) then |
| 71 | (ignore (Slave.shell [Config.Courier.userdb, " \"", domain, "/", user, "@", domain, "\" del"]); |
| 72 | SOME "Error setting password") |
| 73 | else if not (rebuild ()) then |
| 74 | (ignore (Slave.shell [Config.Courier.userdb, " \"", domain, "/", user, "@", domain, "\" del"]); |
| 75 | SOME "Error reloading userdb") |
| 76 | else |
| 77 | NONE |
| 78 | end |
| 79 | end |
| 80 | |
| 81 | fun passwd {domain, user, passwd} = |
| 82 | let |
| 83 | val proc = Unix.execute ("/bin/sh", ["-c", |
| 84 | String.concat [Config.Courier.userdbpw, " | ", Config.Courier.userdb, |
| 85 | " \"", domain, "/", user, "@", domain, "\" set systempw"]]) |
| 86 | val outf = Unix.textOutstreamOf proc |
| 87 | in |
| 88 | TextIO.output (outf, String.concat [passwd, "\n", passwd, "\n"]); |
| 89 | TextIO.closeOut outf; |
| 90 | if not (OS.Process.isSuccess (Unix.reap proc)) then |
| 91 | SOME "Error setting password" |
| 92 | else if not (rebuild ()) then |
| 93 | SOME "Error reloading userdb" |
| 94 | else |
| 95 | NONE |
| 96 | end |
| 97 | |
| 98 | fun rm {domain, user} = |
| 99 | if not (Slave.shell [Config.Courier.userdb, " \"", domain, "/", user, "@", domain, "\" del"]) then |
| 100 | SOME "Error deleting password entry" |
| 101 | else if not (rebuild ()) then |
| 102 | SOME "Error reloading userdb" |
| 103 | else |
| 104 | NONE |
| 105 | |
| 106 | end |