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08688401 | 1 | (* HCoop Domtool (http://hcoop.sourceforge.net/) |
9b8c6dc8 | 2 | * Copyright (c) 2006-2009, Adam Chlipala |
08688401 AC |
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 | ||
9b8c6dc8 AC |
23 | open MsgTypes |
24 | ||
25 | fun rebuild () = | |
26 | let | |
27 | fun doNode (site, ok) = | |
28 | (print ("New vmail data for node " ^ site ^ "\n"); | |
29 | if site = Config.defaultNode then | |
30 | Slave.shell [Config.Courier.postReload] andalso ok | |
31 | else let | |
32 | val bio = OpenSSL.connect true (Domain.get_context (), | |
33 | Domain.nodeIp site | |
34 | ^ ":" | |
35 | ^ Int.toString Config.slavePort) | |
36 | in | |
37 | Msg.send (bio, MsgVmailChanged); | |
38 | (case Msg.recv bio of | |
39 | NONE => (print "Slave closed connection unexpectedly\n"; | |
40 | false) | |
41 | | SOME m => | |
42 | case m of | |
43 | MsgOk => (print ("Slave " ^ site ^ " finished\n"); | |
44 | ok) | |
45 | | MsgError s => (print ("Slave " ^ site | |
46 | ^ " returned error: " ^ | |
47 | s ^ "\n"); | |
48 | false) | |
49 | | _ => (print ("Slave " ^ site | |
50 | ^ " returned unexpected command\n"); | |
51 | false)) | |
52 | before OpenSSL.close bio | |
53 | end) | |
54 | in | |
55 | Slave.shell [Config.Courier.pushUserdb] | |
56 | andalso foldl doNode true Config.mailNodes_all | |
57 | end | |
58 | ||
59 | fun doChanged () = | |
60 | Slave.shell [Config.Courier.pullUserdb] | |
61 | andalso Slave.shell [Config.Courier.postReload] | |
08688401 | 62 | |
1d3ef80e AC |
63 | datatype listing = |
64 | Error of string | |
2fc6b0dd | 65 | | Listing of {user : string, mailbox : string} list |
1d3ef80e AC |
66 | |
67 | fun list domain = | |
68 | let | |
dee1a22b | 69 | val file = OS.Path.joinDirFile {dir = Config.Courier.userdbDir, |
9b8c6dc8 | 70 | file = domain} |
1d3ef80e | 71 | in |
dee1a22b AC |
72 | if Posix.FileSys.access (file, []) then |
73 | let | |
74 | val inf = TextIO.openIn file | |
75 | ||
76 | fun loop users = | |
77 | case TextIO.inputLine inf of | |
78 | NONE => Listing (rev users) | |
79 | | SOME line => | |
80 | case String.tokens Char.isSpace line of | |
81 | [addr, fields] => | |
82 | (case String.fields (fn ch => ch = #"@") addr of | |
83 | [user, _] => | |
84 | let | |
85 | fun parseFields fields = | |
86 | case fields of | |
87 | "mail" :: mailbox :: _ => loop ({user = user, mailbox = mailbox} :: users) | |
88 | | _ :: _ :: rest => parseFields rest | |
89 | | _ => Error "Invalid fields in database" | |
90 | in | |
91 | parseFields (String.fields (fn ch => ch = #"|" orelse ch = #"=") fields) | |
92 | end | |
93 | | _ => Error "Invalid e-mail address format in database") | |
94 | | _ => Error "Invalid entry in database" | |
95 | in | |
96 | loop [] | |
97 | before TextIO.closeIn inf | |
98 | end | |
99 | else | |
100 | Listing [] | |
1d3ef80e | 101 | end |
dee1a22b AC |
102 | handle IO.Io {name, function, ...} => |
103 | Error ("IO failure: " ^ name ^ ": " ^ function) | |
1d3ef80e | 104 | |
9ffe2f0f AC |
105 | fun mailboxExists {domain, user} = |
106 | let | |
107 | val inf = TextIO.openIn (OS.Path.joinDirFile {dir = Config.Courier.userdbDir, | |
108 | file = domain}) | |
109 | ||
110 | fun loop () = | |
111 | case TextIO.inputLine inf of | |
112 | NONE => false | |
113 | | SOME line => | |
114 | case String.tokens Char.isSpace line of | |
115 | [addr, _] => | |
116 | (case String.fields (fn ch => ch = #"@") addr of | |
117 | [user', _] => | |
118 | user' = user orelse loop () | |
119 | | _ => false) | |
120 | | _ => false | |
121 | in | |
122 | loop () | |
123 | before TextIO.closeIn inf | |
124 | end | |
125 | handle IO.Io _ => false | |
126 | ||
08688401 AC |
127 | fun add {domain, requester, user, passwd, mailbox} = |
128 | let | |
129 | val udb = Posix.SysDB.getpwnam requester | |
7a961682 AC |
130 | val uid = SysWord.toInt (Posix.ProcEnv.uidToWord (Posix.SysDB.Passwd.uid udb)) |
131 | val gid = SysWord.toInt (Posix.ProcEnv.gidToWord (Posix.SysDB.Passwd.gid udb)) | |
08688401 AC |
132 | val home = Posix.SysDB.Passwd.home udb |
133 | in | |
9ffe2f0f AC |
134 | if mailboxExists {domain = domain, user = user} then |
135 | SOME "Mailbox mapping already exists" | |
136 | else if not (Slave.shell [Config.Courier.userdb, " \"", domain, "/", user, "@", domain, | |
08688401 AC |
137 | "\" set home=", home, " mail=", mailbox, |
138 | " uid=", Int.toString uid, " gid=" ^ Int.toString gid]) then | |
139 | SOME "Error running userdb" | |
140 | else | |
141 | let | |
142 | val proc = Unix.execute ("/bin/sh", ["-c", | |
143 | String.concat [Config.Courier.userdbpw, " | ", Config.Courier.userdb, | |
144 | " \"", domain, "/", user, "@", domain, "\" set systempw"]]) | |
145 | val outf = Unix.textOutstreamOf proc | |
146 | in | |
147 | TextIO.output (outf, String.concat [passwd, "\n", passwd, "\n"]); | |
148 | TextIO.closeOut outf; | |
149 | if not (OS.Process.isSuccess (Unix.reap proc)) then | |
150 | (ignore (Slave.shell [Config.Courier.userdb, " \"", domain, "/", user, "@", domain, "\" del"]); | |
151 | SOME "Error setting password") | |
152 | else if not (rebuild ()) then | |
153 | (ignore (Slave.shell [Config.Courier.userdb, " \"", domain, "/", user, "@", domain, "\" del"]); | |
154 | SOME "Error reloading userdb") | |
155 | else | |
156 | NONE | |
157 | end | |
158 | end | |
159 | ||
160 | fun passwd {domain, user, passwd} = | |
9ffe2f0f AC |
161 | if not (mailboxExists {domain = domain, user = user}) then |
162 | SOME "Mailbox doesn't exist" | |
163 | else let | |
164 | val proc = Unix.execute ("/bin/sh", ["-c", | |
165 | String.concat [Config.Courier.userdbpw, " | ", Config.Courier.userdb, | |
166 | " \"", domain, "/", user, "@", domain, "\" set systempw"]]) | |
167 | val outf = Unix.textOutstreamOf proc | |
168 | in | |
169 | TextIO.output (outf, String.concat [passwd, "\n", passwd, "\n"]); | |
170 | TextIO.closeOut outf; | |
171 | if not (OS.Process.isSuccess (Unix.reap proc)) then | |
172 | SOME "Error setting password" | |
173 | else if not (rebuild ()) then | |
174 | SOME "Error reloading userdb" | |
175 | else | |
176 | NONE | |
177 | end | |
08688401 AC |
178 | |
179 | fun rm {domain, user} = | |
9ffe2f0f AC |
180 | if not (mailboxExists {domain = domain, user = user}) then |
181 | SOME "Mailbox doesn't exist" | |
182 | else if not (Slave.shell [Config.Courier.userdb, " \"", domain, "/", user, "@", domain, "\" del"]) then | |
08688401 AC |
183 | SOME "Error deleting password entry" |
184 | else if not (rebuild ()) then | |
185 | SOME "Error reloading userdb" | |
186 | else | |
187 | NONE | |
188 | ||
189 | end |