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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 | ||
36e42cb8 AC |
64 | fun send (bio, m) = |
65 | case m of | |
66 | MsgOk => OpenSSL.writeInt (bio, 1) | |
67 | | MsgError s => (OpenSSL.writeInt (bio, 2); | |
68 | OpenSSL.writeString (bio, s)) | |
69 | | MsgConfig s => (OpenSSL.writeInt (bio, 3); | |
70 | OpenSSL.writeString (bio, s)) | |
71 | | MsgFile {action, domain, dir, file} => | |
72 | (OpenSSL.writeInt (bio, 4); | |
73 | OpenSSL.writeInt (bio, a2i action); | |
74 | OpenSSL.writeString (bio, domain); | |
75 | OpenSSL.writeString (bio, dir); | |
76 | OpenSSL.writeString (bio, file)) | |
77 | | MsgDoFiles => OpenSSL.writeInt (bio, 5) | |
5ee41dd0 AC |
78 | | MsgGrant acl => (OpenSSL.writeInt (bio, 6); |
79 | sendAcl (bio, acl)) | |
411a85f2 AC |
80 | | MsgRevoke acl => (OpenSSL.writeInt (bio, 7); |
81 | sendAcl (bio, acl)) | |
08a04eb4 AC |
82 | | MsgListPerms user => (OpenSSL.writeInt (bio, 8); |
83 | OpenSSL.writeString (bio, user)) | |
84 | | MsgPerms classes => (OpenSSL.writeInt (bio, 9); | |
c53e82e4 AC |
85 | sendList (fn (bio, (class, values)) => |
86 | (OpenSSL.writeString (bio, class); | |
87 | sendList OpenSSL.writeString (bio, values))) | |
88 | (bio, classes)) | |
094877b1 AC |
89 | | MsgWhoHas {class, value} => (OpenSSL.writeInt (bio, 10); |
90 | OpenSSL.writeString (bio, class); | |
91 | OpenSSL.writeString (bio, value)) | |
92 | | MsgWhoHasResponse users => (OpenSSL.writeInt (bio, 11); | |
c53e82e4 AC |
93 | sendList OpenSSL.writeString (bio, users)) |
94 | | MsgMultiConfig codes => (OpenSSL.writeInt (bio, 12); | |
95 | sendList OpenSSL.writeString (bio, codes)) | |
e69e60cc AC |
96 | | MsgRmdom doms => (OpenSSL.writeInt (bio, 13); |
97 | sendList OpenSSL.writeString (bio, doms)) | |
1824f573 | 98 | | MsgRegenerate => OpenSSL.writeInt (bio, 14) |
e69e60cc AC |
99 | | MsgRmuser dom => (OpenSSL.writeInt (bio, 15); |
100 | OpenSSL.writeString (bio, dom)) | |
d541c618 AC |
101 | | MsgCreateDbUser s => (OpenSSL.writeInt (bio, 16); |
102 | OpenSSL.writeString (bio, s)) | |
90dd48df AC |
103 | | MsgCreateDbTable {dbtype, dbname} => (OpenSSL.writeInt (bio, 17); |
104 | OpenSSL.writeString (bio, dbtype); | |
105 | OpenSSL.writeString (bio, dbname)) | |
36e42cb8 AC |
106 | |
107 | fun checkIt v = | |
108 | case v of | |
109 | NONE => raise OpenSSL.OpenSSL "Bad Msg format" | |
110 | | _ => v | |
111 | ||
112 | fun recv bio = | |
113 | case OpenSSL.readInt bio of | |
114 | NONE => NONE | |
115 | | SOME n => | |
116 | checkIt (case n of | |
117 | 1 => SOME MsgOk | |
118 | | 2 => Option.map MsgError (OpenSSL.readString bio) | |
119 | | 3 => Option.map MsgConfig (OpenSSL.readString bio) | |
120 | | 4 => (case (OpenSSL.readInt bio, | |
121 | OpenSSL.readString bio, | |
122 | OpenSSL.readString bio, | |
123 | OpenSSL.readString bio) of | |
124 | (SOME action, SOME domain, SOME dir, SOME file) => | |
125 | SOME (MsgFile {action = i2a action, | |
126 | domain = domain, | |
127 | dir = dir, | |
128 | file = file}) | |
129 | | _ => NONE) | |
130 | | 5 => SOME MsgDoFiles | |
5ee41dd0 AC |
131 | | 6 => (case recvAcl bio of |
132 | SOME acl => SOME (MsgGrant acl) | |
133 | | _ => NONE) | |
411a85f2 AC |
134 | | 7 => (case recvAcl bio of |
135 | SOME acl => SOME (MsgRevoke acl) | |
136 | | _ => NONE) | |
08a04eb4 AC |
137 | | 8 => (case OpenSSL.readString bio of |
138 | SOME user => SOME (MsgListPerms user) | |
139 | | _ => NONE) | |
c53e82e4 AC |
140 | | 9 => Option.map MsgPerms |
141 | (recvList (fn bio => | |
142 | case (OpenSSL.readString bio, | |
143 | recvList OpenSSL.readString bio) of | |
144 | (SOME class, SOME values) => SOME (class, values) | |
145 | | _ => NONE) bio) | |
094877b1 AC |
146 | | 10 => (case (OpenSSL.readString bio, OpenSSL.readString bio) of |
147 | (SOME class, SOME value) => SOME (MsgWhoHas {class = class, value = value}) | |
148 | | _ => NONE) | |
c53e82e4 AC |
149 | | 11 => Option.map MsgWhoHasResponse |
150 | (recvList OpenSSL.readString bio) | |
151 | | 12 => Option.map MsgMultiConfig | |
152 | (recvList OpenSSL.readString bio) | |
e69e60cc | 153 | | 13 => Option.map MsgRmdom (recvList OpenSSL.readString bio) |
1824f573 | 154 | | 14 => SOME MsgRegenerate |
e69e60cc | 155 | | 15 => Option.map MsgRmuser (OpenSSL.readString bio) |
d541c618 | 156 | | 16 => Option.map MsgCreateDbUser (OpenSSL.readString bio) |
90dd48df AC |
157 | | 17 => (case (OpenSSL.readString bio, OpenSSL.readString bio) of |
158 | (SOME dbtype, SOME dbname) => | |
159 | SOME (MsgCreateDbTable {dbtype = dbtype, dbname = dbname}) | |
160 | | _ => NONE) | |
36e42cb8 AC |
161 | | _ => NONE) |
162 | ||
163 | end |