c45f1662 |
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 | |
0a58b2f3 |
25 | datatype listing = |
26 | Error of string |
1850d85f |
27 | | Listing of {user : string, mailbox : string} list |
0a58b2f3 |
28 | |
29 | fun list domain = |
30 | let |
cf6d96ab |
31 | val file = OS.Path.joinDirFile {dir = Config.Courier.userdbDir, |
32 | file = domain} |
0a58b2f3 |
33 | in |
cf6d96ab |
34 | if Posix.FileSys.access (file, []) then |
35 | let |
36 | val inf = TextIO.openIn file |
37 | |
38 | fun loop users = |
39 | case TextIO.inputLine inf of |
40 | NONE => Listing (rev users) |
41 | | SOME line => |
42 | case String.tokens Char.isSpace line of |
43 | [addr, fields] => |
44 | (case String.fields (fn ch => ch = #"@") addr of |
45 | [user, _] => |
46 | let |
47 | fun parseFields fields = |
48 | case fields of |
49 | "mail" :: mailbox :: _ => loop ({user = user, mailbox = mailbox} :: users) |
50 | | _ :: _ :: rest => parseFields rest |
51 | | _ => Error "Invalid fields in database" |
52 | in |
53 | parseFields (String.fields (fn ch => ch = #"|" orelse ch = #"=") fields) |
54 | end |
55 | | _ => Error "Invalid e-mail address format in database") |
56 | | _ => Error "Invalid entry in database" |
57 | in |
58 | loop [] |
59 | before TextIO.closeIn inf |
60 | end |
61 | else |
62 | Listing [] |
0a58b2f3 |
63 | end |
cf6d96ab |
64 | handle IO.Io {name, function, ...} => |
65 | Error ("IO failure: " ^ name ^ ": " ^ function) |
0a58b2f3 |
66 | |
87af74d0 |
67 | fun mailboxExists {domain, user} = |
68 | let |
69 | val inf = TextIO.openIn (OS.Path.joinDirFile {dir = Config.Courier.userdbDir, |
70 | file = domain}) |
71 | |
72 | fun loop () = |
73 | case TextIO.inputLine inf of |
74 | NONE => false |
75 | | SOME line => |
76 | case String.tokens Char.isSpace line of |
77 | [addr, _] => |
78 | (case String.fields (fn ch => ch = #"@") addr of |
79 | [user', _] => |
80 | user' = user orelse loop () |
81 | | _ => false) |
82 | | _ => false |
83 | in |
84 | loop () |
85 | before TextIO.closeIn inf |
86 | end |
87 | handle IO.Io _ => false |
88 | |
c45f1662 |
89 | fun add {domain, requester, user, passwd, mailbox} = |
90 | let |
91 | val udb = Posix.SysDB.getpwnam requester |
78381e46 |
92 | val uid = SysWord.toInt (Posix.ProcEnv.uidToWord (Posix.SysDB.Passwd.uid udb)) |
93 | val gid = SysWord.toInt (Posix.ProcEnv.gidToWord (Posix.SysDB.Passwd.gid udb)) |
c45f1662 |
94 | val home = Posix.SysDB.Passwd.home udb |
95 | in |
87af74d0 |
96 | if mailboxExists {domain = domain, user = user} then |
97 | SOME "Mailbox mapping already exists" |
98 | else if not (Slave.shell [Config.Courier.userdb, " \"", domain, "/", user, "@", domain, |
c45f1662 |
99 | "\" set home=", home, " mail=", mailbox, |
100 | " uid=", Int.toString uid, " gid=" ^ Int.toString gid]) then |
101 | SOME "Error running userdb" |
102 | else |
103 | let |
104 | val proc = Unix.execute ("/bin/sh", ["-c", |
105 | String.concat [Config.Courier.userdbpw, " | ", Config.Courier.userdb, |
106 | " \"", domain, "/", user, "@", domain, "\" set systempw"]]) |
107 | val outf = Unix.textOutstreamOf proc |
108 | in |
109 | TextIO.output (outf, String.concat [passwd, "\n", passwd, "\n"]); |
110 | TextIO.closeOut outf; |
111 | if not (OS.Process.isSuccess (Unix.reap proc)) then |
112 | (ignore (Slave.shell [Config.Courier.userdb, " \"", domain, "/", user, "@", domain, "\" del"]); |
113 | SOME "Error setting password") |
114 | else if not (rebuild ()) then |
115 | (ignore (Slave.shell [Config.Courier.userdb, " \"", domain, "/", user, "@", domain, "\" del"]); |
116 | SOME "Error reloading userdb") |
117 | else |
118 | NONE |
119 | end |
120 | end |
121 | |
122 | fun passwd {domain, user, passwd} = |
87af74d0 |
123 | if not (mailboxExists {domain = domain, user = user}) then |
124 | SOME "Mailbox doesn't exist" |
125 | else let |
126 | val proc = Unix.execute ("/bin/sh", ["-c", |
127 | String.concat [Config.Courier.userdbpw, " | ", Config.Courier.userdb, |
128 | " \"", domain, "/", user, "@", domain, "\" set systempw"]]) |
129 | val outf = Unix.textOutstreamOf proc |
130 | in |
131 | TextIO.output (outf, String.concat [passwd, "\n", passwd, "\n"]); |
132 | TextIO.closeOut outf; |
133 | if not (OS.Process.isSuccess (Unix.reap proc)) then |
134 | SOME "Error setting password" |
135 | else if not (rebuild ()) then |
136 | SOME "Error reloading userdb" |
137 | else |
138 | NONE |
139 | end |
c45f1662 |
140 | |
141 | fun rm {domain, user} = |
87af74d0 |
142 | if not (mailboxExists {domain = domain, user = user}) then |
143 | SOME "Mailbox doesn't exist" |
144 | else if not (Slave.shell [Config.Courier.userdb, " \"", domain, "/", user, "@", domain, "\" del"]) then |
c45f1662 |
145 | SOME "Error deleting password entry" |
146 | else if not (rebuild ()) then |
147 | SOME "Error reloading userdb" |
148 | else |
149 | NONE |
150 | |
151 | end |