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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 | |
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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 | |
e5f8cb7b |
91 | fun sendQuery (bio, q) = |
92 | case q of |
93 | QApt s => (OpenSSL.writeInt (bio, 0); |
94 | OpenSSL.writeString (bio, s)) |
95 | |
96 | fun recvQuery bio = |
97 | case OpenSSL.readInt bio of |
98 | SOME n => |
99 | (case n of |
100 | 0 => Option.map QApt (OpenSSL.readString bio) |
101 | | _ => NONE) |
102 | | NONE => NONE |
103 | |
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104 | fun send (bio, m) = |
105 | case m of |
106 | MsgOk => OpenSSL.writeInt (bio, 1) |
107 | | MsgError s => (OpenSSL.writeInt (bio, 2); |
108 | OpenSSL.writeString (bio, s)) |
109 | | MsgConfig s => (OpenSSL.writeInt (bio, 3); |
110 | OpenSSL.writeString (bio, s)) |
111 | | MsgFile {action, domain, dir, file} => |
112 | (OpenSSL.writeInt (bio, 4); |
113 | OpenSSL.writeInt (bio, a2i action); |
114 | OpenSSL.writeString (bio, domain); |
115 | OpenSSL.writeString (bio, dir); |
116 | OpenSSL.writeString (bio, file)) |
117 | | MsgDoFiles => OpenSSL.writeInt (bio, 5) |
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118 | | MsgGrant acl => (OpenSSL.writeInt (bio, 6); |
119 | sendAcl (bio, acl)) |
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120 | | MsgRevoke acl => (OpenSSL.writeInt (bio, 7); |
121 | sendAcl (bio, acl)) |
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122 | | MsgListPerms user => (OpenSSL.writeInt (bio, 8); |
123 | OpenSSL.writeString (bio, user)) |
124 | | MsgPerms classes => (OpenSSL.writeInt (bio, 9); |
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125 | sendList (fn (bio, (class, values)) => |
126 | (OpenSSL.writeString (bio, class); |
127 | sendList OpenSSL.writeString (bio, values))) |
128 | (bio, classes)) |
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129 | | MsgWhoHas {class, value} => (OpenSSL.writeInt (bio, 10); |
130 | OpenSSL.writeString (bio, class); |
131 | OpenSSL.writeString (bio, value)) |
132 | | MsgWhoHasResponse users => (OpenSSL.writeInt (bio, 11); |
c8a739af |
133 | sendList OpenSSL.writeString (bio, users)) |
134 | | MsgMultiConfig codes => (OpenSSL.writeInt (bio, 12); |
135 | sendList OpenSSL.writeString (bio, codes)) |
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136 | | MsgRmdom doms => (OpenSSL.writeInt (bio, 13); |
137 | sendList OpenSSL.writeString (bio, doms)) |
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138 | | MsgRegenerate => OpenSSL.writeInt (bio, 14) |
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139 | | MsgRmuser dom => (OpenSSL.writeInt (bio, 15); |
140 | OpenSSL.writeString (bio, dom)) |
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141 | | MsgCreateDbUser {dbtype, passwd} => (OpenSSL.writeInt (bio, 16); |
142 | OpenSSL.writeString (bio, dbtype); |
143 | sendOption OpenSSL.writeString (bio, passwd)) |
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144 | | MsgCreateDbTable {dbtype, dbname} => (OpenSSL.writeInt (bio, 17); |
145 | OpenSSL.writeString (bio, dbtype); |
146 | OpenSSL.writeString (bio, dbname)) |
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147 | | MsgNewMailbox {domain, user, passwd, mailbox} => |
148 | (OpenSSL.writeInt (bio, 18); |
149 | OpenSSL.writeString (bio, domain); |
150 | OpenSSL.writeString (bio, user); |
151 | OpenSSL.writeString (bio, passwd); |
152 | OpenSSL.writeString (bio, mailbox)) |
153 | | MsgPasswdMailbox {domain, user, passwd} => |
154 | (OpenSSL.writeInt (bio, 19); |
155 | OpenSSL.writeString (bio, domain); |
156 | OpenSSL.writeString (bio, user); |
157 | OpenSSL.writeString (bio, passwd)) |
158 | | MsgRmMailbox {domain, user} => |
159 | (OpenSSL.writeInt (bio, 20); |
160 | OpenSSL.writeString (bio, domain); |
161 | OpenSSL.writeString (bio, user)) |
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162 | | MsgListMailboxes domain => |
163 | (OpenSSL.writeInt (bio, 21); |
164 | OpenSSL.writeString (bio, domain)) |
165 | | MsgMailboxes users => |
166 | (OpenSSL.writeInt (bio, 22); |
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167 | sendList (fn (bio, {user, mailbox}) => |
168 | (OpenSSL.writeString (bio, user); |
169 | OpenSSL.writeString (bio, mailbox))) |
170 | (bio, users)) |
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171 | | MsgSaQuery addr => (OpenSSL.writeInt (bio, 23); |
172 | OpenSSL.writeString (bio, addr)) |
173 | | MsgSaStatus b => (OpenSSL.writeInt (bio, 24); |
174 | sendBool (bio, b)) |
175 | | MsgSaSet (addr, b) => (OpenSSL.writeInt (bio, 25); |
176 | OpenSSL.writeString (bio, addr); |
177 | sendBool (bio, b)) |
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178 | | MsgSmtpLogReq domain => (OpenSSL.writeInt (bio, 26); |
179 | OpenSSL.writeString (bio, domain)) |
180 | | MsgSmtpLogRes domain => (OpenSSL.writeInt (bio, 27); |
181 | OpenSSL.writeString (bio, domain)) |
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182 | | MsgDbPasswd {dbtype, passwd} => (OpenSSL.writeInt (bio, 28); |
183 | OpenSSL.writeString (bio, dbtype); |
184 | OpenSSL.writeString (bio, passwd)) |
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185 | | MsgShutdown => OpenSSL.writeInt (bio, 29) |
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186 | | MsgYes => OpenSSL.writeInt (bio, 30) |
187 | | MsgNo => OpenSSL.writeInt (bio, 31) |
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188 | | MsgQuery q => (OpenSSL.writeInt (bio, 32); |
189 | sendQuery (bio, q)) |
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190 | |
191 | fun checkIt v = |
192 | case v of |
193 | NONE => raise OpenSSL.OpenSSL "Bad Msg format" |
194 | | _ => v |
195 | |
196 | fun recv bio = |
197 | case OpenSSL.readInt bio of |
198 | NONE => NONE |
199 | | SOME n => |
200 | checkIt (case n of |
201 | 1 => SOME MsgOk |
202 | | 2 => Option.map MsgError (OpenSSL.readString bio) |
203 | | 3 => Option.map MsgConfig (OpenSSL.readString bio) |
204 | | 4 => (case (OpenSSL.readInt bio, |
205 | OpenSSL.readString bio, |
206 | OpenSSL.readString bio, |
207 | OpenSSL.readString bio) of |
208 | (SOME action, SOME domain, SOME dir, SOME file) => |
209 | SOME (MsgFile {action = i2a action, |
210 | domain = domain, |
211 | dir = dir, |
212 | file = file}) |
213 | | _ => NONE) |
214 | | 5 => SOME MsgDoFiles |
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215 | | 6 => (case recvAcl bio of |
216 | SOME acl => SOME (MsgGrant acl) |
217 | | _ => NONE) |
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218 | | 7 => (case recvAcl bio of |
219 | SOME acl => SOME (MsgRevoke acl) |
220 | | _ => NONE) |
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221 | | 8 => (case OpenSSL.readString bio of |
222 | SOME user => SOME (MsgListPerms user) |
223 | | _ => NONE) |
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224 | | 9 => Option.map MsgPerms |
225 | (recvList (fn bio => |
226 | case (OpenSSL.readString bio, |
227 | recvList OpenSSL.readString bio) of |
228 | (SOME class, SOME values) => SOME (class, values) |
229 | | _ => NONE) bio) |
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230 | | 10 => (case (OpenSSL.readString bio, OpenSSL.readString bio) of |
231 | (SOME class, SOME value) => SOME (MsgWhoHas {class = class, value = value}) |
232 | | _ => NONE) |
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233 | | 11 => Option.map MsgWhoHasResponse |
234 | (recvList OpenSSL.readString bio) |
235 | | 12 => Option.map MsgMultiConfig |
236 | (recvList OpenSSL.readString bio) |
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237 | | 13 => Option.map MsgRmdom (recvList OpenSSL.readString bio) |
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238 | | 14 => SOME MsgRegenerate |
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239 | | 15 => Option.map MsgRmuser (OpenSSL.readString bio) |
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240 | | 16 => (case (OpenSSL.readString bio, recvOption OpenSSL.readString bio) of |
241 | (SOME dbtype, SOME passwd) => |
242 | SOME (MsgCreateDbUser {dbtype = dbtype, passwd = passwd}) |
243 | | _ => NONE) |
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244 | | 17 => (case (OpenSSL.readString bio, OpenSSL.readString bio) of |
245 | (SOME dbtype, SOME dbname) => |
246 | SOME (MsgCreateDbTable {dbtype = dbtype, dbname = dbname}) |
247 | | _ => NONE) |
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248 | | 18 => (case (OpenSSL.readString bio, OpenSSL.readString bio, |
249 | OpenSSL.readString bio, OpenSSL.readString bio) of |
250 | (SOME domain, SOME user, SOME passwd, SOME mailbox) => |
251 | SOME (MsgNewMailbox {domain = domain, user = user, |
252 | passwd = passwd, mailbox = mailbox}) |
253 | | _ => NONE) |
254 | | 19 => (case (OpenSSL.readString bio, OpenSSL.readString bio, |
255 | OpenSSL.readString bio) of |
256 | (SOME domain, SOME user, SOME passwd) => |
257 | SOME (MsgPasswdMailbox {domain = domain, user = user, |
258 | passwd = passwd}) |
259 | | _ => NONE) |
260 | | 20 => (case (OpenSSL.readString bio, OpenSSL.readString bio) of |
261 | (SOME domain, SOME user) => |
262 | SOME (MsgRmMailbox {domain = domain, user = user}) |
263 | | _ => NONE) |
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264 | | 21 => Option.map MsgListMailboxes (OpenSSL.readString bio) |
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265 | | 22 => Option.map MsgMailboxes (recvList |
266 | (fn bio => |
267 | case (OpenSSL.readString bio, |
268 | OpenSSL.readString bio) of |
269 | (SOME user, SOME mailbox) => |
270 | SOME {user = user, mailbox = mailbox} |
271 | | _ => NONE) |
272 | bio) |
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273 | | 23 => Option.map MsgSaQuery (OpenSSL.readString bio) |
274 | | 24 => Option.map MsgSaStatus (recvBool bio) |
275 | | 25 => (case (OpenSSL.readString bio, recvBool bio) of |
276 | (SOME user, SOME b) => SOME (MsgSaSet (user, b)) |
277 | | _ => NONE) |
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278 | | 26 => Option.map MsgSmtpLogReq (OpenSSL.readString bio) |
279 | | 27 => Option.map MsgSmtpLogRes (OpenSSL.readString bio) |
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280 | | 28 => (case (OpenSSL.readString bio, OpenSSL.readString bio) of |
281 | (SOME dbtype, SOME passwd) => |
282 | SOME (MsgDbPasswd {dbtype = dbtype, passwd = passwd}) |
283 | | _ => NONE) |
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284 | | 29 => SOME MsgShutdown |
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285 | | 30 => SOME MsgYes |
286 | | 31 => SOME MsgNo |
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287 | | 32 => Option.map MsgQuery (recvQuery bio) |
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288 | | _ => NONE) |
289 | |
290 | end |