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08688401 AC |
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 | ||
1d3ef80e AC |
25 | datatype listing = |
26 | Error of string | |
2fc6b0dd | 27 | | Listing of {user : string, mailbox : string} list |
1d3ef80e AC |
28 | |
29 | fun list domain = | |
30 | let | |
dee1a22b AC |
31 | val file = OS.Path.joinDirFile {dir = Config.Courier.userdbDir, |
32 | file = domain} | |
1d3ef80e | 33 | in |
dee1a22b AC |
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 [] | |
1d3ef80e | 63 | end |
dee1a22b AC |
64 | handle IO.Io {name, function, ...} => |
65 | Error ("IO failure: " ^ name ^ ": " ^ function) | |
1d3ef80e | 66 | |
9ffe2f0f AC |
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 | ||
08688401 AC |
89 | fun add {domain, requester, user, passwd, mailbox} = |
90 | let | |
91 | val udb = Posix.SysDB.getpwnam requester | |
7a961682 AC |
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)) | |
08688401 AC |
94 | val home = Posix.SysDB.Passwd.home udb |
95 | in | |
9ffe2f0f AC |
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, | |
08688401 AC |
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} = | |
9ffe2f0f AC |
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 | |
08688401 AC |
140 | |
141 | fun rm {domain, user} = | |
9ffe2f0f AC |
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 | |
08688401 AC |
145 | SOME "Error deleting password entry" |
146 | else if not (rebuild ()) then | |
147 | SOME "Error reloading userdb" | |
148 | else | |
149 | NONE | |
150 | ||
151 | end |