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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 | (* Network messages *) |
20 | |
21 | structure Msg :> MSG = struct |
22 | |
23 | open OpenSSL MsgTypes Slave |
24 | |
25 | val a2i = fn Add => 0 |
26 | | Delete => 1 |
27 | | Modify => 2 |
28 | |
29 | val i2a = fn 0 => Add |
30 | | 1 => Delete |
31 | | 2 => Modify |
32 | | _ => raise OpenSSL.OpenSSL "Bad action number to deserialize" |
33 | |
e2130d9c |
34 | fun sendAcl (bio, {user, class, value}) = |
35 | (OpenSSL.writeString (bio, user); |
36 | OpenSSL.writeString (bio, class); |
37 | OpenSSL.writeString (bio, value)) |
38 | |
39 | fun recvAcl bio = |
40 | case (OpenSSL.readString bio, OpenSSL.readString bio, OpenSSL.readString bio) of |
41 | (SOME user, SOME class, SOME value) => SOME {user = user, class = class, value = value} |
42 | | _ => NONE |
43 | |
c8a739af |
44 | fun sendList f (bio, ls) = |
45 | (app (fn x => |
46 | (OpenSSL.writeInt (bio, 1); |
47 | f (bio, x))) ls; |
48 | OpenSSL.writeInt (bio, 0)) |
49 | |
50 | fun recvList f bio = |
51 | let |
52 | fun loop ls = |
53 | case OpenSSL.readInt bio of |
54 | SOME 0 => SOME (rev ls) |
55 | | SOME 1 => |
56 | (case f bio of |
57 | SOME x => loop (x :: ls) |
58 | | NONE => NONE) |
59 | | _ => NONE |
60 | in |
61 | loop [] |
62 | end |
63 | |
2bc895e7 |
64 | fun sendOption f (bio, opt) = |
65 | case opt of |
66 | NONE => OpenSSL.writeInt (bio, 0) |
67 | | SOME x => (OpenSSL.writeInt (bio, 1); |
68 | f (bio, x)) |
69 | |
70 | fun recvOption f bio = |
71 | case OpenSSL.readInt bio of |
72 | SOME 0 => SOME NONE |
73 | | SOME 1 => |
74 | (case f bio of |
75 | SOME x => SOME (SOME x) |
76 | | NONE => NONE) |
77 | | _ => NONE |
78 | |
bb8cc8c9 |
79 | fun sendBool (bio, b) = |
80 | if b then |
81 | OpenSSL.writeInt (bio, 1) |
82 | else |
83 | OpenSSL.writeInt (bio, 0) |
84 | |
85 | fun recvBool bio = |
86 | case OpenSSL.readInt bio of |
87 | SOME 0 => SOME false |
88 | | SOME 1 => SOME true |
89 | | _ => NONE |
90 | |
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91 | fun send (bio, m) = |
92 | case m of |
93 | MsgOk => OpenSSL.writeInt (bio, 1) |
94 | | MsgError s => (OpenSSL.writeInt (bio, 2); |
95 | OpenSSL.writeString (bio, s)) |
96 | | MsgConfig s => (OpenSSL.writeInt (bio, 3); |
97 | OpenSSL.writeString (bio, s)) |
98 | | MsgFile {action, domain, dir, file} => |
99 | (OpenSSL.writeInt (bio, 4); |
100 | OpenSSL.writeInt (bio, a2i action); |
101 | OpenSSL.writeString (bio, domain); |
102 | OpenSSL.writeString (bio, dir); |
103 | OpenSSL.writeString (bio, file)) |
104 | | MsgDoFiles => OpenSSL.writeInt (bio, 5) |
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105 | | MsgGrant acl => (OpenSSL.writeInt (bio, 6); |
106 | sendAcl (bio, acl)) |
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107 | | MsgRevoke acl => (OpenSSL.writeInt (bio, 7); |
108 | sendAcl (bio, acl)) |
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109 | | MsgListPerms user => (OpenSSL.writeInt (bio, 8); |
110 | OpenSSL.writeString (bio, user)) |
111 | | MsgPerms classes => (OpenSSL.writeInt (bio, 9); |
c8a739af |
112 | sendList (fn (bio, (class, values)) => |
113 | (OpenSSL.writeString (bio, class); |
114 | sendList OpenSSL.writeString (bio, values))) |
115 | (bio, classes)) |
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116 | | MsgWhoHas {class, value} => (OpenSSL.writeInt (bio, 10); |
117 | OpenSSL.writeString (bio, class); |
118 | OpenSSL.writeString (bio, value)) |
119 | | MsgWhoHasResponse users => (OpenSSL.writeInt (bio, 11); |
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120 | sendList OpenSSL.writeString (bio, users)) |
121 | | MsgMultiConfig codes => (OpenSSL.writeInt (bio, 12); |
122 | sendList OpenSSL.writeString (bio, codes)) |
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123 | | MsgRmdom doms => (OpenSSL.writeInt (bio, 13); |
124 | sendList OpenSSL.writeString (bio, doms)) |
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125 | | MsgRegenerate => OpenSSL.writeInt (bio, 14) |
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126 | | MsgRmuser dom => (OpenSSL.writeInt (bio, 15); |
127 | OpenSSL.writeString (bio, dom)) |
2bc895e7 |
128 | | MsgCreateDbUser {dbtype, passwd} => (OpenSSL.writeInt (bio, 16); |
129 | OpenSSL.writeString (bio, dbtype); |
130 | sendOption OpenSSL.writeString (bio, passwd)) |
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131 | | MsgCreateDbTable {dbtype, dbname} => (OpenSSL.writeInt (bio, 17); |
132 | OpenSSL.writeString (bio, dbtype); |
133 | OpenSSL.writeString (bio, dbname)) |
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134 | | MsgNewMailbox {domain, user, passwd, mailbox} => |
135 | (OpenSSL.writeInt (bio, 18); |
136 | OpenSSL.writeString (bio, domain); |
137 | OpenSSL.writeString (bio, user); |
138 | OpenSSL.writeString (bio, passwd); |
139 | OpenSSL.writeString (bio, mailbox)) |
140 | | MsgPasswdMailbox {domain, user, passwd} => |
141 | (OpenSSL.writeInt (bio, 19); |
142 | OpenSSL.writeString (bio, domain); |
143 | OpenSSL.writeString (bio, user); |
144 | OpenSSL.writeString (bio, passwd)) |
145 | | MsgRmMailbox {domain, user} => |
146 | (OpenSSL.writeInt (bio, 20); |
147 | OpenSSL.writeString (bio, domain); |
148 | OpenSSL.writeString (bio, user)) |
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149 | | MsgListMailboxes domain => |
150 | (OpenSSL.writeInt (bio, 21); |
151 | OpenSSL.writeString (bio, domain)) |
152 | | MsgMailboxes users => |
153 | (OpenSSL.writeInt (bio, 22); |
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154 | sendList (fn (bio, {user, mailbox}) => |
155 | (OpenSSL.writeString (bio, user); |
156 | OpenSSL.writeString (bio, mailbox))) |
157 | (bio, users)) |
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158 | | MsgSaQuery addr => (OpenSSL.writeInt (bio, 23); |
159 | OpenSSL.writeString (bio, addr)) |
160 | | MsgSaStatus b => (OpenSSL.writeInt (bio, 24); |
161 | sendBool (bio, b)) |
162 | | MsgSaSet (addr, b) => (OpenSSL.writeInt (bio, 25); |
163 | OpenSSL.writeString (bio, addr); |
164 | sendBool (bio, b)) |
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165 | | MsgSmtpLogReq domain => (OpenSSL.writeInt (bio, 26); |
166 | OpenSSL.writeString (bio, domain)) |
167 | | MsgSmtpLogRes domain => (OpenSSL.writeInt (bio, 27); |
168 | OpenSSL.writeString (bio, domain)) |
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169 | |
170 | fun checkIt v = |
171 | case v of |
172 | NONE => raise OpenSSL.OpenSSL "Bad Msg format" |
173 | | _ => v |
174 | |
175 | fun recv bio = |
176 | case OpenSSL.readInt bio of |
177 | NONE => NONE |
178 | | SOME n => |
179 | checkIt (case n of |
180 | 1 => SOME MsgOk |
181 | | 2 => Option.map MsgError (OpenSSL.readString bio) |
182 | | 3 => Option.map MsgConfig (OpenSSL.readString bio) |
183 | | 4 => (case (OpenSSL.readInt bio, |
184 | OpenSSL.readString bio, |
185 | OpenSSL.readString bio, |
186 | OpenSSL.readString bio) of |
187 | (SOME action, SOME domain, SOME dir, SOME file) => |
188 | SOME (MsgFile {action = i2a action, |
189 | domain = domain, |
190 | dir = dir, |
191 | file = file}) |
192 | | _ => NONE) |
193 | | 5 => SOME MsgDoFiles |
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194 | | 6 => (case recvAcl bio of |
195 | SOME acl => SOME (MsgGrant acl) |
196 | | _ => NONE) |
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197 | | 7 => (case recvAcl bio of |
198 | SOME acl => SOME (MsgRevoke acl) |
199 | | _ => NONE) |
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200 | | 8 => (case OpenSSL.readString bio of |
201 | SOME user => SOME (MsgListPerms user) |
202 | | _ => NONE) |
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203 | | 9 => Option.map MsgPerms |
204 | (recvList (fn bio => |
205 | case (OpenSSL.readString bio, |
206 | recvList OpenSSL.readString bio) of |
207 | (SOME class, SOME values) => SOME (class, values) |
208 | | _ => NONE) bio) |
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209 | | 10 => (case (OpenSSL.readString bio, OpenSSL.readString bio) of |
210 | (SOME class, SOME value) => SOME (MsgWhoHas {class = class, value = value}) |
211 | | _ => NONE) |
c8a739af |
212 | | 11 => Option.map MsgWhoHasResponse |
213 | (recvList OpenSSL.readString bio) |
214 | | 12 => Option.map MsgMultiConfig |
215 | (recvList OpenSSL.readString bio) |
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216 | | 13 => Option.map MsgRmdom (recvList OpenSSL.readString bio) |
f92c6883 |
217 | | 14 => SOME MsgRegenerate |
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218 | | 15 => Option.map MsgRmuser (OpenSSL.readString bio) |
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219 | | 16 => (case (OpenSSL.readString bio, recvOption OpenSSL.readString bio) of |
220 | (SOME dbtype, SOME passwd) => |
221 | SOME (MsgCreateDbUser {dbtype = dbtype, passwd = passwd}) |
222 | | _ => NONE) |
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223 | | 17 => (case (OpenSSL.readString bio, OpenSSL.readString bio) of |
224 | (SOME dbtype, SOME dbname) => |
225 | SOME (MsgCreateDbTable {dbtype = dbtype, dbname = dbname}) |
226 | | _ => NONE) |
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227 | | 18 => (case (OpenSSL.readString bio, OpenSSL.readString bio, |
228 | OpenSSL.readString bio, OpenSSL.readString bio) of |
229 | (SOME domain, SOME user, SOME passwd, SOME mailbox) => |
230 | SOME (MsgNewMailbox {domain = domain, user = user, |
231 | passwd = passwd, mailbox = mailbox}) |
232 | | _ => NONE) |
233 | | 19 => (case (OpenSSL.readString bio, OpenSSL.readString bio, |
234 | OpenSSL.readString bio) of |
235 | (SOME domain, SOME user, SOME passwd) => |
236 | SOME (MsgPasswdMailbox {domain = domain, user = user, |
237 | passwd = passwd}) |
238 | | _ => NONE) |
239 | | 20 => (case (OpenSSL.readString bio, OpenSSL.readString bio) of |
240 | (SOME domain, SOME user) => |
241 | SOME (MsgRmMailbox {domain = domain, user = user}) |
242 | | _ => NONE) |
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243 | | 21 => Option.map MsgListMailboxes (OpenSSL.readString bio) |
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244 | | 22 => Option.map MsgMailboxes (recvList |
245 | (fn bio => |
246 | case (OpenSSL.readString bio, |
247 | OpenSSL.readString bio) of |
248 | (SOME user, SOME mailbox) => |
249 | SOME {user = user, mailbox = mailbox} |
250 | | _ => NONE) |
251 | bio) |
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252 | | 23 => Option.map MsgSaQuery (OpenSSL.readString bio) |
253 | | 24 => Option.map MsgSaStatus (recvBool bio) |
254 | | 25 => (case (OpenSSL.readString bio, recvBool bio) of |
255 | (SOME user, SOME b) => SOME (MsgSaSet (user, b)) |
256 | | _ => NONE) |
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257 | | 26 => Option.map MsgSmtpLogReq (OpenSSL.readString bio) |
258 | | 27 => Option.map MsgSmtpLogRes (OpenSSL.readString bio) |
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259 | | _ => NONE) |
260 | |
261 | end |