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36e42cb8 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 | (* 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 | ||
5ee41dd0 AC |
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 | ||
c53e82e4 AC |
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 | ||
21d921a5 AC |
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 | ||
2e96b9d4 AC |
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 | ||
a95a0107 AC |
91 | fun sendQuery (bio, q) = |
92 | case q of | |
93 | QApt s => (OpenSSL.writeInt (bio, 0); | |
94 | OpenSSL.writeString (bio, s)) | |
d351d679 AC |
95 | | QCron s => (OpenSSL.writeInt (bio, 1); |
96 | OpenSSL.writeString (bio, s)) | |
97 | | QFtp s => (OpenSSL.writeInt (bio, 2); | |
98 | OpenSSL.writeString (bio, s)) | |
4d5126e1 AC |
99 | | QTrustedPath s => (OpenSSL.writeInt (bio, 3); |
100 | OpenSSL.writeString (bio, s)) | |
a95a0107 AC |
101 | |
102 | fun recvQuery bio = | |
103 | case OpenSSL.readInt bio of | |
104 | SOME n => | |
105 | (case n of | |
106 | 0 => Option.map QApt (OpenSSL.readString bio) | |
d351d679 AC |
107 | | 1 => Option.map QCron (OpenSSL.readString bio) |
108 | | 2 => Option.map QFtp (OpenSSL.readString bio) | |
4d5126e1 | 109 | | 3 => Option.map QTrustedPath (OpenSSL.readString bio) |
a95a0107 AC |
110 | | _ => NONE) |
111 | | NONE => NONE | |
112 | ||
36e42cb8 AC |
113 | fun send (bio, m) = |
114 | case m of | |
115 | MsgOk => OpenSSL.writeInt (bio, 1) | |
116 | | MsgError s => (OpenSSL.writeInt (bio, 2); | |
117 | OpenSSL.writeString (bio, s)) | |
118 | | MsgConfig s => (OpenSSL.writeInt (bio, 3); | |
119 | OpenSSL.writeString (bio, s)) | |
120 | | MsgFile {action, domain, dir, file} => | |
121 | (OpenSSL.writeInt (bio, 4); | |
122 | OpenSSL.writeInt (bio, a2i action); | |
123 | OpenSSL.writeString (bio, domain); | |
124 | OpenSSL.writeString (bio, dir); | |
125 | OpenSSL.writeString (bio, file)) | |
126 | | MsgDoFiles => OpenSSL.writeInt (bio, 5) | |
5ee41dd0 AC |
127 | | MsgGrant acl => (OpenSSL.writeInt (bio, 6); |
128 | sendAcl (bio, acl)) | |
411a85f2 AC |
129 | | MsgRevoke acl => (OpenSSL.writeInt (bio, 7); |
130 | sendAcl (bio, acl)) | |
08a04eb4 AC |
131 | | MsgListPerms user => (OpenSSL.writeInt (bio, 8); |
132 | OpenSSL.writeString (bio, user)) | |
133 | | MsgPerms classes => (OpenSSL.writeInt (bio, 9); | |
c53e82e4 AC |
134 | sendList (fn (bio, (class, values)) => |
135 | (OpenSSL.writeString (bio, class); | |
136 | sendList OpenSSL.writeString (bio, values))) | |
137 | (bio, classes)) | |
094877b1 AC |
138 | | MsgWhoHas {class, value} => (OpenSSL.writeInt (bio, 10); |
139 | OpenSSL.writeString (bio, class); | |
140 | OpenSSL.writeString (bio, value)) | |
141 | | MsgWhoHasResponse users => (OpenSSL.writeInt (bio, 11); | |
c53e82e4 AC |
142 | sendList OpenSSL.writeString (bio, users)) |
143 | | MsgMultiConfig codes => (OpenSSL.writeInt (bio, 12); | |
144 | sendList OpenSSL.writeString (bio, codes)) | |
e69e60cc AC |
145 | | MsgRmdom doms => (OpenSSL.writeInt (bio, 13); |
146 | sendList OpenSSL.writeString (bio, doms)) | |
1824f573 | 147 | | MsgRegenerate => OpenSSL.writeInt (bio, 14) |
e69e60cc AC |
148 | | MsgRmuser dom => (OpenSSL.writeInt (bio, 15); |
149 | OpenSSL.writeString (bio, dom)) | |
21d921a5 AC |
150 | | MsgCreateDbUser {dbtype, passwd} => (OpenSSL.writeInt (bio, 16); |
151 | OpenSSL.writeString (bio, dbtype); | |
152 | sendOption OpenSSL.writeString (bio, passwd)) | |
90dd48df AC |
153 | | MsgCreateDbTable {dbtype, dbname} => (OpenSSL.writeInt (bio, 17); |
154 | OpenSSL.writeString (bio, dbtype); | |
155 | OpenSSL.writeString (bio, dbname)) | |
08688401 AC |
156 | | MsgNewMailbox {domain, user, passwd, mailbox} => |
157 | (OpenSSL.writeInt (bio, 18); | |
158 | OpenSSL.writeString (bio, domain); | |
159 | OpenSSL.writeString (bio, user); | |
160 | OpenSSL.writeString (bio, passwd); | |
161 | OpenSSL.writeString (bio, mailbox)) | |
162 | | MsgPasswdMailbox {domain, user, passwd} => | |
163 | (OpenSSL.writeInt (bio, 19); | |
164 | OpenSSL.writeString (bio, domain); | |
165 | OpenSSL.writeString (bio, user); | |
166 | OpenSSL.writeString (bio, passwd)) | |
167 | | MsgRmMailbox {domain, user} => | |
168 | (OpenSSL.writeInt (bio, 20); | |
169 | OpenSSL.writeString (bio, domain); | |
170 | OpenSSL.writeString (bio, user)) | |
1d3ef80e AC |
171 | | MsgListMailboxes domain => |
172 | (OpenSSL.writeInt (bio, 21); | |
173 | OpenSSL.writeString (bio, domain)) | |
174 | | MsgMailboxes users => | |
175 | (OpenSSL.writeInt (bio, 22); | |
2fc6b0dd AC |
176 | sendList (fn (bio, {user, mailbox}) => |
177 | (OpenSSL.writeString (bio, user); | |
178 | OpenSSL.writeString (bio, mailbox))) | |
179 | (bio, users)) | |
2e96b9d4 AC |
180 | | MsgSaQuery addr => (OpenSSL.writeInt (bio, 23); |
181 | OpenSSL.writeString (bio, addr)) | |
182 | | MsgSaStatus b => (OpenSSL.writeInt (bio, 24); | |
183 | sendBool (bio, b)) | |
184 | | MsgSaSet (addr, b) => (OpenSSL.writeInt (bio, 25); | |
185 | OpenSSL.writeString (bio, addr); | |
186 | sendBool (bio, b)) | |
2bc5ed22 AC |
187 | | MsgSmtpLogReq domain => (OpenSSL.writeInt (bio, 26); |
188 | OpenSSL.writeString (bio, domain)) | |
189 | | MsgSmtpLogRes domain => (OpenSSL.writeInt (bio, 27); | |
190 | OpenSSL.writeString (bio, domain)) | |
86aa5de7 AC |
191 | | MsgDbPasswd {dbtype, passwd} => (OpenSSL.writeInt (bio, 28); |
192 | OpenSSL.writeString (bio, dbtype); | |
193 | OpenSSL.writeString (bio, passwd)) | |
9f27d58f | 194 | | MsgShutdown => OpenSSL.writeInt (bio, 29) |
75585a67 AC |
195 | | MsgYes => OpenSSL.writeInt (bio, 30) |
196 | | MsgNo => OpenSSL.writeInt (bio, 31) | |
a95a0107 AC |
197 | | MsgQuery q => (OpenSSL.writeInt (bio, 32); |
198 | sendQuery (bio, q)) | |
36e42cb8 AC |
199 | |
200 | fun checkIt v = | |
201 | case v of | |
202 | NONE => raise OpenSSL.OpenSSL "Bad Msg format" | |
203 | | _ => v | |
204 | ||
205 | fun recv bio = | |
206 | case OpenSSL.readInt bio of | |
207 | NONE => NONE | |
208 | | SOME n => | |
209 | checkIt (case n of | |
210 | 1 => SOME MsgOk | |
211 | | 2 => Option.map MsgError (OpenSSL.readString bio) | |
212 | | 3 => Option.map MsgConfig (OpenSSL.readString bio) | |
213 | | 4 => (case (OpenSSL.readInt bio, | |
214 | OpenSSL.readString bio, | |
215 | OpenSSL.readString bio, | |
216 | OpenSSL.readString bio) of | |
217 | (SOME action, SOME domain, SOME dir, SOME file) => | |
218 | SOME (MsgFile {action = i2a action, | |
219 | domain = domain, | |
220 | dir = dir, | |
221 | file = file}) | |
222 | | _ => NONE) | |
223 | | 5 => SOME MsgDoFiles | |
5ee41dd0 AC |
224 | | 6 => (case recvAcl bio of |
225 | SOME acl => SOME (MsgGrant acl) | |
226 | | _ => NONE) | |
411a85f2 AC |
227 | | 7 => (case recvAcl bio of |
228 | SOME acl => SOME (MsgRevoke acl) | |
229 | | _ => NONE) | |
08a04eb4 AC |
230 | | 8 => (case OpenSSL.readString bio of |
231 | SOME user => SOME (MsgListPerms user) | |
232 | | _ => NONE) | |
c53e82e4 AC |
233 | | 9 => Option.map MsgPerms |
234 | (recvList (fn bio => | |
235 | case (OpenSSL.readString bio, | |
236 | recvList OpenSSL.readString bio) of | |
237 | (SOME class, SOME values) => SOME (class, values) | |
238 | | _ => NONE) bio) | |
094877b1 AC |
239 | | 10 => (case (OpenSSL.readString bio, OpenSSL.readString bio) of |
240 | (SOME class, SOME value) => SOME (MsgWhoHas {class = class, value = value}) | |
241 | | _ => NONE) | |
c53e82e4 AC |
242 | | 11 => Option.map MsgWhoHasResponse |
243 | (recvList OpenSSL.readString bio) | |
244 | | 12 => Option.map MsgMultiConfig | |
245 | (recvList OpenSSL.readString bio) | |
e69e60cc | 246 | | 13 => Option.map MsgRmdom (recvList OpenSSL.readString bio) |
1824f573 | 247 | | 14 => SOME MsgRegenerate |
e69e60cc | 248 | | 15 => Option.map MsgRmuser (OpenSSL.readString bio) |
21d921a5 AC |
249 | | 16 => (case (OpenSSL.readString bio, recvOption OpenSSL.readString bio) of |
250 | (SOME dbtype, SOME passwd) => | |
251 | SOME (MsgCreateDbUser {dbtype = dbtype, passwd = passwd}) | |
252 | | _ => NONE) | |
90dd48df AC |
253 | | 17 => (case (OpenSSL.readString bio, OpenSSL.readString bio) of |
254 | (SOME dbtype, SOME dbname) => | |
255 | SOME (MsgCreateDbTable {dbtype = dbtype, dbname = dbname}) | |
256 | | _ => NONE) | |
08688401 AC |
257 | | 18 => (case (OpenSSL.readString bio, OpenSSL.readString bio, |
258 | OpenSSL.readString bio, OpenSSL.readString bio) of | |
259 | (SOME domain, SOME user, SOME passwd, SOME mailbox) => | |
260 | SOME (MsgNewMailbox {domain = domain, user = user, | |
261 | passwd = passwd, mailbox = mailbox}) | |
262 | | _ => NONE) | |
263 | | 19 => (case (OpenSSL.readString bio, OpenSSL.readString bio, | |
264 | OpenSSL.readString bio) of | |
265 | (SOME domain, SOME user, SOME passwd) => | |
266 | SOME (MsgPasswdMailbox {domain = domain, user = user, | |
267 | passwd = passwd}) | |
268 | | _ => NONE) | |
269 | | 20 => (case (OpenSSL.readString bio, OpenSSL.readString bio) of | |
270 | (SOME domain, SOME user) => | |
271 | SOME (MsgRmMailbox {domain = domain, user = user}) | |
272 | | _ => NONE) | |
1d3ef80e | 273 | | 21 => Option.map MsgListMailboxes (OpenSSL.readString bio) |
2fc6b0dd AC |
274 | | 22 => Option.map MsgMailboxes (recvList |
275 | (fn bio => | |
276 | case (OpenSSL.readString bio, | |
277 | OpenSSL.readString bio) of | |
278 | (SOME user, SOME mailbox) => | |
279 | SOME {user = user, mailbox = mailbox} | |
280 | | _ => NONE) | |
281 | bio) | |
2e96b9d4 AC |
282 | | 23 => Option.map MsgSaQuery (OpenSSL.readString bio) |
283 | | 24 => Option.map MsgSaStatus (recvBool bio) | |
284 | | 25 => (case (OpenSSL.readString bio, recvBool bio) of | |
285 | (SOME user, SOME b) => SOME (MsgSaSet (user, b)) | |
286 | | _ => NONE) | |
2bc5ed22 AC |
287 | | 26 => Option.map MsgSmtpLogReq (OpenSSL.readString bio) |
288 | | 27 => Option.map MsgSmtpLogRes (OpenSSL.readString bio) | |
86aa5de7 AC |
289 | | 28 => (case (OpenSSL.readString bio, OpenSSL.readString bio) of |
290 | (SOME dbtype, SOME passwd) => | |
291 | SOME (MsgDbPasswd {dbtype = dbtype, passwd = passwd}) | |
292 | | _ => NONE) | |
9f27d58f | 293 | | 29 => SOME MsgShutdown |
75585a67 AC |
294 | | 30 => SOME MsgYes |
295 | | 31 => SOME MsgNo | |
a95a0107 | 296 | | 32 => Option.map MsgQuery (recvQuery bio) |
36e42cb8 AC |
297 | | _ => NONE) |
298 | ||
299 | end |