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234b917a 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. | |
dac62e84 | 17 | *) |
234b917a AC |
18 | |
19 | (* Main interface *) | |
20 | ||
21 | structure Main :> MAIN = struct | |
22 | ||
492c1cff | 23 | open Ast Print |
234b917a | 24 | |
6ae327f8 AC |
25 | structure SM = StringMap |
26 | ||
aa56e112 | 27 | fun init () = Acl.read Config.aclFile |
234b917a | 28 | |
d189ec0e | 29 | fun check' G fname = |
a3698041 AC |
30 | let |
31 | val prog = Parse.parse fname | |
32 | in | |
33 | if !ErrorMsg.anyErrors then | |
d189ec0e | 34 | G |
a3698041 | 35 | else |
aa56e112 | 36 | Tycheck.checkFile G (Defaults.tInit ()) prog |
a3698041 AC |
37 | end |
38 | ||
d189ec0e | 39 | fun basis () = |
234b917a | 40 | let |
d189ec0e AC |
41 | val dir = Posix.FileSys.opendir Config.libRoot |
42 | ||
43 | fun loop files = | |
44 | case Posix.FileSys.readdir dir of | |
d612d62c AC |
45 | NONE => (Posix.FileSys.closedir dir; |
46 | files) | |
d189ec0e AC |
47 | | SOME fname => |
48 | if String.isSuffix ".dtl" fname then | |
d612d62c AC |
49 | loop (OS.Path.joinDirFile {dir = Config.libRoot, |
50 | file = fname} | |
d189ec0e AC |
51 | :: files) |
52 | else | |
53 | loop files | |
54 | ||
55 | val files = loop [] | |
56 | val files = Order.order files | |
57 | in | |
6ae327f8 AC |
58 | if !ErrorMsg.anyErrors then |
59 | Env.empty | |
60 | else | |
61 | foldl (fn (fname, G) => check' G fname) Env.empty files | |
d189ec0e AC |
62 | end |
63 | ||
64 | fun check fname = | |
65 | let | |
66 | val _ = ErrorMsg.reset () | |
12adf55a | 67 | val _ = Env.preTycheck () |
d189ec0e AC |
68 | |
69 | val b = basis () | |
234b917a AC |
70 | in |
71 | if !ErrorMsg.anyErrors then | |
d189ec0e | 72 | (b, NONE) |
234b917a AC |
73 | else |
74 | let | |
7f012ffd | 75 | val _ = ErrorMsg.reset () |
d189ec0e | 76 | val prog = Parse.parse fname |
234b917a | 77 | in |
492c1cff | 78 | if !ErrorMsg.anyErrors then |
d189ec0e | 79 | (Env.empty, NONE) |
492c1cff | 80 | else |
d189ec0e | 81 | let |
aa56e112 | 82 | val G' = Tycheck.checkFile b (Defaults.tInit ()) prog |
d189ec0e AC |
83 | in |
84 | (G', #3 prog) | |
85 | end | |
234b917a AC |
86 | end |
87 | end | |
88 | ||
d189ec0e | 89 | fun reduce fname = |
a3698041 | 90 | let |
d189ec0e | 91 | val (G, body) = check fname |
a3698041 AC |
92 | in |
93 | if !ErrorMsg.anyErrors then | |
d189ec0e | 94 | NONE |
a3698041 | 95 | else |
d189ec0e AC |
96 | case body of |
97 | SOME body => | |
98 | let | |
99 | val body' = Reduce.reduceExp G body | |
100 | in | |
101 | (*printd (PD.hovBox (PD.PPS.Rel 0, | |
102 | [PD.string "Result:", | |
103 | PD.space 1, | |
104 | p_exp body']))*) | |
105 | SOME body' | |
106 | end | |
107 | | _ => NONE | |
a3698041 AC |
108 | end |
109 | ||
d189ec0e AC |
110 | fun eval fname = |
111 | case reduce fname of | |
112 | (SOME body') => | |
113 | if !ErrorMsg.anyErrors then | |
114 | () | |
115 | else | |
aa56e112 | 116 | Eval.exec (Defaults.eInit ()) body' |
d189ec0e AC |
117 | | NONE => () |
118 | ||
3b267643 AC |
119 | val dispatcher = |
120 | Config.dispatcher ^ ":" ^ Int.toString Config.dispatcherPort | |
559e89e9 | 121 | |
3b267643 | 122 | fun request fname = |
07cc384c | 123 | let |
aa56e112 AC |
124 | val uid = Posix.ProcEnv.getuid () |
125 | val user = Posix.SysDB.Passwd.name (Posix.SysDB.getpwuid uid) | |
126 | ||
127 | val () = Acl.read Config.aclFile | |
128 | val () = Domain.setUser user | |
129 | val _ = check fname | |
130 | ||
131 | val context = OpenSSL.context (Config.certDir ^ "/" ^ user ^ ".pem", | |
132 | Config.keyDir ^ "/" ^ user ^ ".pem", | |
3b267643 | 133 | Config.trustStore) |
07cc384c | 134 | |
3b267643 | 135 | val bio = OpenSSL.connect (context, dispatcher) |
559e89e9 | 136 | |
3b267643 AC |
137 | val inf = TextIO.openIn fname |
138 | ||
139 | fun loop () = | |
140 | case TextIO.inputLine inf of | |
141 | NONE => () | |
142 | | SOME line => (OpenSSL.writeAll (bio, line); | |
143 | loop ()) | |
559e89e9 | 144 | in |
3b267643 AC |
145 | loop (); |
146 | TextIO.closeIn inf; | |
147 | OpenSSL.close bio | |
559e89e9 | 148 | end |
aa56e112 | 149 | handle ErrorMsg.Error => () |
559e89e9 | 150 | |
3b267643 | 151 | fun service () = |
07cc384c | 152 | let |
aa56e112 AC |
153 | val () = Acl.read Config.aclFile |
154 | ||
3b267643 AC |
155 | val context = OpenSSL.context (Config.serverCert, |
156 | Config.serverKey, | |
157 | Config.trustStore) | |
158 | ||
60534712 | 159 | val sock = OpenSSL.listen (context, Config.dispatcherPort) |
3b267643 AC |
160 | |
161 | fun loop () = | |
60534712 | 162 | case OpenSSL.accept sock of |
3b267643 AC |
163 | NONE => () |
164 | | SOME bio => | |
165 | let | |
aa56e112 AC |
166 | val user = OpenSSL.peerCN bio |
167 | val () = print ("\nConnection from " ^ user ^ "\n") | |
168 | val () = Domain.setUser user | |
169 | ||
170 | val outname = OS.FileSys.tmpName () | |
171 | val outf = TextIO.openOut outname | |
3b267643 AC |
172 | |
173 | fun loop' () = | |
174 | case OpenSSL.readOne bio of | |
175 | NONE => () | |
aa56e112 | 176 | | SOME line => (TextIO.output (outf, line); |
3b267643 AC |
177 | loop' ()) |
178 | in | |
aa56e112 AC |
179 | (loop' (); |
180 | TextIO.closeOut outf; | |
181 | eval outname | |
182 | handle ErrorMsg.Error => (); | |
183 | OS.FileSys.remove outname; | |
184 | OpenSSL.close bio) | |
185 | handle OpenSSL.OpenSSL _ => (); | |
3b267643 AC |
186 | loop () |
187 | end | |
07cc384c | 188 | in |
3b267643 AC |
189 | loop (); |
190 | OpenSSL.shutdown sock | |
07cc384c AC |
191 | end |
192 | ||
234b917a | 193 | end |