Typo fix
[hcoop/domtool2.git] / src / msg.sml
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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
21structure Msg :> MSG = struct
22
23open OpenSSL MsgTypes Slave
24
25val a2i = fn Add => 0
26 | Delete => 1
27 | Modify => 2
28
29val i2a = fn 0 => Add
30 | 1 => Delete
31 | 2 => Modify
32 | _ => raise OpenSSL.OpenSSL "Bad action number to deserialize"
33
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34fun sendAcl (bio, {user, class, value}) =
35 (OpenSSL.writeString (bio, user);
36 OpenSSL.writeString (bio, class);
37 OpenSSL.writeString (bio, value))
38
39fun 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
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44fun sendList f (bio, ls) =
45 (app (fn x =>
46 (OpenSSL.writeInt (bio, 1);
47 f (bio, x))) ls;
48 OpenSSL.writeInt (bio, 0))
49
50fun 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
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64fun 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
70fun 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
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79fun sendBool (bio, b) =
80 if b then
81 OpenSSL.writeInt (bio, 1)
82 else
83 OpenSSL.writeInt (bio, 0)
84
85fun 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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91fun 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);
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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))
1824f573 125 | MsgRegenerate => OpenSSL.writeInt (bio, 14)
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126 | MsgRmuser dom => (OpenSSL.writeInt (bio, 15);
127 OpenSSL.writeString (bio, dom))
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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
166fun checkIt v =
167 case v of
168 NONE => raise OpenSSL.OpenSSL "Bad Msg format"
169 | _ => v
170
171fun recv bio =
172 case OpenSSL.readInt bio of
173 NONE => NONE
174 | SOME n =>
175 checkIt (case n of
176 1 => SOME MsgOk
177 | 2 => Option.map MsgError (OpenSSL.readString bio)
178 | 3 => Option.map MsgConfig (OpenSSL.readString bio)
179 | 4 => (case (OpenSSL.readInt bio,
180 OpenSSL.readString bio,
181 OpenSSL.readString bio,
182 OpenSSL.readString bio) of
183 (SOME action, SOME domain, SOME dir, SOME file) =>
184 SOME (MsgFile {action = i2a action,
185 domain = domain,
186 dir = dir,
187 file = file})
188 | _ => NONE)
189 | 5 => SOME MsgDoFiles
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190 | 6 => (case recvAcl bio of
191 SOME acl => SOME (MsgGrant acl)
192 | _ => NONE)
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193 | 7 => (case recvAcl bio of
194 SOME acl => SOME (MsgRevoke acl)
195 | _ => NONE)
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196 | 8 => (case OpenSSL.readString bio of
197 SOME user => SOME (MsgListPerms user)
198 | _ => NONE)
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199 | 9 => Option.map MsgPerms
200 (recvList (fn bio =>
201 case (OpenSSL.readString bio,
202 recvList OpenSSL.readString bio) of
203 (SOME class, SOME values) => SOME (class, values)
204 | _ => NONE) bio)
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205 | 10 => (case (OpenSSL.readString bio, OpenSSL.readString bio) of
206 (SOME class, SOME value) => SOME (MsgWhoHas {class = class, value = value})
207 | _ => NONE)
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208 | 11 => Option.map MsgWhoHasResponse
209 (recvList OpenSSL.readString bio)
210 | 12 => Option.map MsgMultiConfig
211 (recvList OpenSSL.readString bio)
e69e60cc 212 | 13 => Option.map MsgRmdom (recvList OpenSSL.readString bio)
1824f573 213 | 14 => SOME MsgRegenerate
e69e60cc 214 | 15 => Option.map MsgRmuser (OpenSSL.readString bio)
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215 | 16 => (case (OpenSSL.readString bio, recvOption OpenSSL.readString bio) of
216 (SOME dbtype, SOME passwd) =>
217 SOME (MsgCreateDbUser {dbtype = dbtype, passwd = passwd})
218 | _ => NONE)
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219 | 17 => (case (OpenSSL.readString bio, OpenSSL.readString bio) of
220 (SOME dbtype, SOME dbname) =>
221 SOME (MsgCreateDbTable {dbtype = dbtype, dbname = dbname})
222 | _ => NONE)
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223 | 18 => (case (OpenSSL.readString bio, OpenSSL.readString bio,
224 OpenSSL.readString bio, OpenSSL.readString bio) of
225 (SOME domain, SOME user, SOME passwd, SOME mailbox) =>
226 SOME (MsgNewMailbox {domain = domain, user = user,
227 passwd = passwd, mailbox = mailbox})
228 | _ => NONE)
229 | 19 => (case (OpenSSL.readString bio, OpenSSL.readString bio,
230 OpenSSL.readString bio) of
231 (SOME domain, SOME user, SOME passwd) =>
232 SOME (MsgPasswdMailbox {domain = domain, user = user,
233 passwd = passwd})
234 | _ => NONE)
235 | 20 => (case (OpenSSL.readString bio, OpenSSL.readString bio) of
236 (SOME domain, SOME user) =>
237 SOME (MsgRmMailbox {domain = domain, user = user})
238 | _ => NONE)
1d3ef80e 239 | 21 => Option.map MsgListMailboxes (OpenSSL.readString bio)
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240 | 22 => Option.map MsgMailboxes (recvList
241 (fn bio =>
242 case (OpenSSL.readString bio,
243 OpenSSL.readString bio) of
244 (SOME user, SOME mailbox) =>
245 SOME {user = user, mailbox = mailbox}
246 | _ => NONE)
247 bio)
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248 | 23 => Option.map MsgSaQuery (OpenSSL.readString bio)
249 | 24 => Option.map MsgSaStatus (recvBool bio)
250 | 25 => (case (OpenSSL.readString bio, recvBool bio) of
251 (SOME user, SOME b) => SOME (MsgSaSet (user, b))
252 | _ => NONE)
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253 | _ => NONE)
254
255end