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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 | ||
36e42cb8 AC |
79 | fun send (bio, m) = |
80 | case m of | |
81 | MsgOk => OpenSSL.writeInt (bio, 1) | |
82 | | MsgError s => (OpenSSL.writeInt (bio, 2); | |
83 | OpenSSL.writeString (bio, s)) | |
84 | | MsgConfig s => (OpenSSL.writeInt (bio, 3); | |
85 | OpenSSL.writeString (bio, s)) | |
86 | | MsgFile {action, domain, dir, file} => | |
87 | (OpenSSL.writeInt (bio, 4); | |
88 | OpenSSL.writeInt (bio, a2i action); | |
89 | OpenSSL.writeString (bio, domain); | |
90 | OpenSSL.writeString (bio, dir); | |
91 | OpenSSL.writeString (bio, file)) | |
92 | | MsgDoFiles => OpenSSL.writeInt (bio, 5) | |
5ee41dd0 AC |
93 | | MsgGrant acl => (OpenSSL.writeInt (bio, 6); |
94 | sendAcl (bio, acl)) | |
411a85f2 AC |
95 | | MsgRevoke acl => (OpenSSL.writeInt (bio, 7); |
96 | sendAcl (bio, acl)) | |
08a04eb4 AC |
97 | | MsgListPerms user => (OpenSSL.writeInt (bio, 8); |
98 | OpenSSL.writeString (bio, user)) | |
99 | | MsgPerms classes => (OpenSSL.writeInt (bio, 9); | |
c53e82e4 AC |
100 | sendList (fn (bio, (class, values)) => |
101 | (OpenSSL.writeString (bio, class); | |
102 | sendList OpenSSL.writeString (bio, values))) | |
103 | (bio, classes)) | |
094877b1 AC |
104 | | MsgWhoHas {class, value} => (OpenSSL.writeInt (bio, 10); |
105 | OpenSSL.writeString (bio, class); | |
106 | OpenSSL.writeString (bio, value)) | |
107 | | MsgWhoHasResponse users => (OpenSSL.writeInt (bio, 11); | |
c53e82e4 AC |
108 | sendList OpenSSL.writeString (bio, users)) |
109 | | MsgMultiConfig codes => (OpenSSL.writeInt (bio, 12); | |
110 | sendList OpenSSL.writeString (bio, codes)) | |
e69e60cc AC |
111 | | MsgRmdom doms => (OpenSSL.writeInt (bio, 13); |
112 | sendList OpenSSL.writeString (bio, doms)) | |
1824f573 | 113 | | MsgRegenerate => OpenSSL.writeInt (bio, 14) |
e69e60cc AC |
114 | | MsgRmuser dom => (OpenSSL.writeInt (bio, 15); |
115 | OpenSSL.writeString (bio, dom)) | |
21d921a5 AC |
116 | | MsgCreateDbUser {dbtype, passwd} => (OpenSSL.writeInt (bio, 16); |
117 | OpenSSL.writeString (bio, dbtype); | |
118 | sendOption OpenSSL.writeString (bio, passwd)) | |
90dd48df AC |
119 | | MsgCreateDbTable {dbtype, dbname} => (OpenSSL.writeInt (bio, 17); |
120 | OpenSSL.writeString (bio, dbtype); | |
121 | OpenSSL.writeString (bio, dbname)) | |
08688401 AC |
122 | | MsgNewMailbox {domain, user, passwd, mailbox} => |
123 | (OpenSSL.writeInt (bio, 18); | |
124 | OpenSSL.writeString (bio, domain); | |
125 | OpenSSL.writeString (bio, user); | |
126 | OpenSSL.writeString (bio, passwd); | |
127 | OpenSSL.writeString (bio, mailbox)) | |
128 | | MsgPasswdMailbox {domain, user, passwd} => | |
129 | (OpenSSL.writeInt (bio, 19); | |
130 | OpenSSL.writeString (bio, domain); | |
131 | OpenSSL.writeString (bio, user); | |
132 | OpenSSL.writeString (bio, passwd)) | |
133 | | MsgRmMailbox {domain, user} => | |
134 | (OpenSSL.writeInt (bio, 20); | |
135 | OpenSSL.writeString (bio, domain); | |
136 | OpenSSL.writeString (bio, user)) | |
1d3ef80e AC |
137 | | MsgListMailboxes domain => |
138 | (OpenSSL.writeInt (bio, 21); | |
139 | OpenSSL.writeString (bio, domain)) | |
140 | | MsgMailboxes users => | |
141 | (OpenSSL.writeInt (bio, 22); | |
142 | sendList OpenSSL.writeString (bio, users)) | |
36e42cb8 AC |
143 | |
144 | fun checkIt v = | |
145 | case v of | |
146 | NONE => raise OpenSSL.OpenSSL "Bad Msg format" | |
147 | | _ => v | |
148 | ||
149 | fun recv bio = | |
150 | case OpenSSL.readInt bio of | |
151 | NONE => NONE | |
152 | | SOME n => | |
153 | checkIt (case n of | |
154 | 1 => SOME MsgOk | |
155 | | 2 => Option.map MsgError (OpenSSL.readString bio) | |
156 | | 3 => Option.map MsgConfig (OpenSSL.readString bio) | |
157 | | 4 => (case (OpenSSL.readInt bio, | |
158 | OpenSSL.readString bio, | |
159 | OpenSSL.readString bio, | |
160 | OpenSSL.readString bio) of | |
161 | (SOME action, SOME domain, SOME dir, SOME file) => | |
162 | SOME (MsgFile {action = i2a action, | |
163 | domain = domain, | |
164 | dir = dir, | |
165 | file = file}) | |
166 | | _ => NONE) | |
167 | | 5 => SOME MsgDoFiles | |
5ee41dd0 AC |
168 | | 6 => (case recvAcl bio of |
169 | SOME acl => SOME (MsgGrant acl) | |
170 | | _ => NONE) | |
411a85f2 AC |
171 | | 7 => (case recvAcl bio of |
172 | SOME acl => SOME (MsgRevoke acl) | |
173 | | _ => NONE) | |
08a04eb4 AC |
174 | | 8 => (case OpenSSL.readString bio of |
175 | SOME user => SOME (MsgListPerms user) | |
176 | | _ => NONE) | |
c53e82e4 AC |
177 | | 9 => Option.map MsgPerms |
178 | (recvList (fn bio => | |
179 | case (OpenSSL.readString bio, | |
180 | recvList OpenSSL.readString bio) of | |
181 | (SOME class, SOME values) => SOME (class, values) | |
182 | | _ => NONE) bio) | |
094877b1 AC |
183 | | 10 => (case (OpenSSL.readString bio, OpenSSL.readString bio) of |
184 | (SOME class, SOME value) => SOME (MsgWhoHas {class = class, value = value}) | |
185 | | _ => NONE) | |
c53e82e4 AC |
186 | | 11 => Option.map MsgWhoHasResponse |
187 | (recvList OpenSSL.readString bio) | |
188 | | 12 => Option.map MsgMultiConfig | |
189 | (recvList OpenSSL.readString bio) | |
e69e60cc | 190 | | 13 => Option.map MsgRmdom (recvList OpenSSL.readString bio) |
1824f573 | 191 | | 14 => SOME MsgRegenerate |
e69e60cc | 192 | | 15 => Option.map MsgRmuser (OpenSSL.readString bio) |
21d921a5 AC |
193 | | 16 => (case (OpenSSL.readString bio, recvOption OpenSSL.readString bio) of |
194 | (SOME dbtype, SOME passwd) => | |
195 | SOME (MsgCreateDbUser {dbtype = dbtype, passwd = passwd}) | |
196 | | _ => NONE) | |
90dd48df AC |
197 | | 17 => (case (OpenSSL.readString bio, OpenSSL.readString bio) of |
198 | (SOME dbtype, SOME dbname) => | |
199 | SOME (MsgCreateDbTable {dbtype = dbtype, dbname = dbname}) | |
200 | | _ => NONE) | |
08688401 AC |
201 | | 18 => (case (OpenSSL.readString bio, OpenSSL.readString bio, |
202 | OpenSSL.readString bio, OpenSSL.readString bio) of | |
203 | (SOME domain, SOME user, SOME passwd, SOME mailbox) => | |
204 | SOME (MsgNewMailbox {domain = domain, user = user, | |
205 | passwd = passwd, mailbox = mailbox}) | |
206 | | _ => NONE) | |
207 | | 19 => (case (OpenSSL.readString bio, OpenSSL.readString bio, | |
208 | OpenSSL.readString bio) of | |
209 | (SOME domain, SOME user, SOME passwd) => | |
210 | SOME (MsgPasswdMailbox {domain = domain, user = user, | |
211 | passwd = passwd}) | |
212 | | _ => NONE) | |
213 | | 20 => (case (OpenSSL.readString bio, OpenSSL.readString bio) of | |
214 | (SOME domain, SOME user) => | |
215 | SOME (MsgRmMailbox {domain = domain, user = user}) | |
216 | | _ => NONE) | |
1d3ef80e AC |
217 | | 21 => Option.map MsgListMailboxes (OpenSSL.readString bio) |
218 | | 22 => Option.map MsgMailboxes (recvList OpenSSL.readString bio) | |
36e42cb8 AC |
219 | | _ => NONE) |
220 | ||
221 | end |