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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 | ||
36e42cb8 | 23 | open Ast MsgTypes 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 [] | |
3196000d | 56 | val (_, files) = Order.order files |
d189ec0e | 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 | |
51be7da6 | 66 | (*val uid = Posix.ProcEnv.getuid () |
6bb366c5 AC |
67 | val user = Posix.SysDB.Passwd.name (Posix.SysDB.getpwuid uid) |
68 | ||
69 | val () = Acl.read Config.aclFile | |
51be7da6 | 70 | val () = Domain.setUser user*) |
6bb366c5 | 71 | |
d189ec0e | 72 | val _ = ErrorMsg.reset () |
12adf55a | 73 | val _ = Env.preTycheck () |
d189ec0e AC |
74 | |
75 | val b = basis () | |
234b917a AC |
76 | in |
77 | if !ErrorMsg.anyErrors then | |
36e42cb8 | 78 | raise ErrorMsg.Error |
234b917a AC |
79 | else |
80 | let | |
7f012ffd | 81 | val _ = ErrorMsg.reset () |
d189ec0e | 82 | val prog = Parse.parse fname |
234b917a | 83 | in |
492c1cff | 84 | if !ErrorMsg.anyErrors then |
36e42cb8 | 85 | raise ErrorMsg.Error |
492c1cff | 86 | else |
d189ec0e | 87 | let |
aa56e112 | 88 | val G' = Tycheck.checkFile b (Defaults.tInit ()) prog |
d189ec0e | 89 | in |
36e42cb8 AC |
90 | if !ErrorMsg.anyErrors then |
91 | raise ErrorMsg.Error | |
92 | else | |
93 | (G', #3 prog) | |
d189ec0e | 94 | end |
234b917a AC |
95 | end |
96 | end | |
97 | ||
d189ec0e | 98 | fun reduce fname = |
a3698041 | 99 | let |
d189ec0e | 100 | val (G, body) = check fname |
a3698041 AC |
101 | in |
102 | if !ErrorMsg.anyErrors then | |
d189ec0e | 103 | NONE |
a3698041 | 104 | else |
d189ec0e AC |
105 | case body of |
106 | SOME body => | |
107 | let | |
108 | val body' = Reduce.reduceExp G body | |
109 | in | |
110 | (*printd (PD.hovBox (PD.PPS.Rel 0, | |
111 | [PD.string "Result:", | |
112 | PD.space 1, | |
113 | p_exp body']))*) | |
114 | SOME body' | |
115 | end | |
116 | | _ => NONE | |
a3698041 AC |
117 | end |
118 | ||
d189ec0e AC |
119 | fun eval fname = |
120 | case reduce fname of | |
121 | (SOME body') => | |
122 | if !ErrorMsg.anyErrors then | |
36e42cb8 | 123 | raise ErrorMsg.Error |
d189ec0e | 124 | else |
aa56e112 | 125 | Eval.exec (Defaults.eInit ()) body' |
36e42cb8 | 126 | | NONE => raise ErrorMsg.Error |
d189ec0e | 127 | |
3b267643 AC |
128 | val dispatcher = |
129 | Config.dispatcher ^ ":" ^ Int.toString Config.dispatcherPort | |
559e89e9 | 130 | |
36e42cb8 AC |
131 | fun hostname () = |
132 | let | |
133 | val inf = TextIO.openIn "/etc/hostname" | |
134 | in | |
135 | case TextIO.inputLine inf of | |
136 | NONE => (TextIO.closeIn inf; raise Fail "No line in /etc/hostname") | |
137 | | SOME line => (TextIO.closeIn inf; String.substring (line, 0, size line - 1)) | |
138 | end | |
139 | ||
3b267643 | 140 | fun request fname = |
07cc384c | 141 | let |
6bb366c5 AC |
142 | val _ = check fname |
143 | ||
aa56e112 AC |
144 | val uid = Posix.ProcEnv.getuid () |
145 | val user = Posix.SysDB.Passwd.name (Posix.SysDB.getpwuid uid) | |
146 | ||
aa56e112 | 147 | val context = OpenSSL.context (Config.certDir ^ "/" ^ user ^ ".pem", |
a088cea6 | 148 | Config.keyDir ^ "/" ^ user ^ "/key.pem", |
3b267643 | 149 | Config.trustStore) |
07cc384c | 150 | |
3b267643 | 151 | val bio = OpenSSL.connect (context, dispatcher) |
559e89e9 | 152 | |
3b267643 AC |
153 | val inf = TextIO.openIn fname |
154 | ||
36e42cb8 | 155 | fun loop lines = |
3b267643 | 156 | case TextIO.inputLine inf of |
36e42cb8 AC |
157 | NONE => String.concat (List.rev lines) |
158 | | SOME line => loop (line :: lines) | |
159 | ||
160 | val code = loop [] | |
559e89e9 | 161 | in |
3b267643 | 162 | TextIO.closeIn inf; |
36e42cb8 AC |
163 | Msg.send (bio, MsgConfig code); |
164 | case Msg.recv bio of | |
165 | NONE => print "Server closed connection unexpectedly.\n" | |
166 | | SOME m => | |
167 | case m of | |
168 | MsgOk => print "Configuration succeeded.\n" | |
169 | | MsgError s => print ("Configuration failed: " ^ s ^ "\n") | |
170 | | _ => print "Unexpected server reply.\n"; | |
3b267643 | 171 | OpenSSL.close bio |
559e89e9 | 172 | end |
aa56e112 | 173 | handle ErrorMsg.Error => () |
559e89e9 | 174 | |
3b267643 | 175 | fun service () = |
07cc384c | 176 | let |
aa56e112 AC |
177 | val () = Acl.read Config.aclFile |
178 | ||
3b267643 AC |
179 | val context = OpenSSL.context (Config.serverCert, |
180 | Config.serverKey, | |
181 | Config.trustStore) | |
36e42cb8 | 182 | val _ = Domain.set_context context |
3b267643 | 183 | |
60534712 | 184 | val sock = OpenSSL.listen (context, Config.dispatcherPort) |
3b267643 AC |
185 | |
186 | fun loop () = | |
60534712 | 187 | case OpenSSL.accept sock of |
3b267643 AC |
188 | NONE => () |
189 | | SOME bio => | |
190 | let | |
aa56e112 AC |
191 | val user = OpenSSL.peerCN bio |
192 | val () = print ("\nConnection from " ^ user ^ "\n") | |
193 | val () = Domain.setUser user | |
194 | ||
36e42cb8 AC |
195 | fun cmdLoop () = |
196 | case Msg.recv bio of | |
197 | NONE => (OpenSSL.close bio | |
198 | handle OpenSSL.OpenSSL _ => (); | |
199 | loop ()) | |
200 | | SOME m => | |
201 | case m of | |
202 | MsgConfig code => | |
203 | let | |
204 | val _ = print "Configuration:\n" | |
205 | val _ = print code | |
206 | val _ = print "\n" | |
3b267643 | 207 | |
36e42cb8 AC |
208 | val outname = OS.FileSys.tmpName () |
209 | val outf = TextIO.openOut outname | |
210 | in | |
211 | TextIO.output (outf, code); | |
212 | TextIO.closeOut outf; | |
213 | (eval outname; | |
214 | Msg.send (bio, MsgOk)) | |
215 | handle ErrorMsg.Error => | |
216 | (print "Compilation error\n"; | |
217 | Msg.send (bio, | |
218 | MsgError "Error during configuration evaluation")) | |
219 | | OpenSSL.OpenSSL s => | |
220 | (print "OpenSSL error\n"; | |
221 | Msg.send (bio, | |
222 | MsgError | |
223 | ("Error during configuration evaluation: " | |
224 | ^ s))); | |
225 | OS.FileSys.remove outname; | |
226 | (ignore (OpenSSL.readChar bio); | |
227 | OpenSSL.close bio) | |
228 | handle OpenSSL.OpenSSL _ => (); | |
229 | loop () | |
230 | end | |
231 | | _ => | |
232 | (Msg.send (bio, MsgError "Unexpected command") | |
233 | handle OpenSSL.OpenSSL _ => (); | |
234 | OpenSSL.close bio | |
235 | handle OpenSSL.OpenSSL _ => (); | |
236 | loop ()) | |
237 | in | |
238 | cmdLoop () | |
239 | end | |
240 | in | |
361a1e7f | 241 | print "Listening for connections....\n"; |
36e42cb8 AC |
242 | loop (); |
243 | OpenSSL.shutdown sock | |
244 | end | |
245 | ||
246 | fun slave () = | |
247 | let | |
248 | val host = hostname () | |
249 | ||
250 | val context = OpenSSL.context (Config.certDir ^ "/" ^ host ^ ".pem", | |
a088cea6 | 251 | Config.keyDir ^ "/" ^ host ^ "/key.pem", |
36e42cb8 AC |
252 | Config.trustStore) |
253 | ||
254 | val sock = OpenSSL.listen (context, Config.slavePort) | |
255 | ||
256 | fun loop () = | |
257 | case OpenSSL.accept sock of | |
258 | NONE => () | |
259 | | SOME bio => | |
260 | let | |
261 | val peer = OpenSSL.peerCN bio | |
262 | val () = print ("\nConnection from " ^ peer ^ "\n") | |
3b267643 | 263 | in |
36e42cb8 AC |
264 | if peer <> Config.dispatcherName then |
265 | (print "Not authorized!\n"; | |
266 | OpenSSL.close bio; | |
267 | loop ()) | |
268 | else let | |
269 | fun loop' files = | |
270 | case Msg.recv bio of | |
271 | NONE => print "Dispatcher closed connection unexpectedly\n" | |
272 | | SOME m => | |
273 | case m of | |
274 | MsgFile file => loop' (file :: files) | |
275 | | MsgDoFiles => (Slave.handleChanges files; | |
276 | Msg.send (bio, MsgOk)) | |
277 | | _ => (print "Dispatcher sent unexpected command\n"; | |
278 | Msg.send (bio, MsgError "Unexpected command")) | |
279 | in | |
280 | loop' []; | |
281 | ignore (OpenSSL.readChar bio); | |
282 | OpenSSL.close bio; | |
283 | loop () | |
284 | end | |
3196000d AC |
285 | end handle OpenSSL.OpenSSL s => |
286 | (print ("OpenSSL error: "^ s ^ "\n"); | |
287 | OpenSSL.close bio | |
288 | handle OpenSSL.OpenSSL _ => (); | |
289 | loop ()) | |
07cc384c | 290 | in |
3b267643 AC |
291 | loop (); |
292 | OpenSSL.shutdown sock | |
07cc384c AC |
293 | end |
294 | ||
3196000d AC |
295 | fun autodocBasis outdir = |
296 | let | |
297 | val dir = Posix.FileSys.opendir Config.libRoot | |
298 | ||
299 | fun loop files = | |
300 | case Posix.FileSys.readdir dir of | |
301 | NONE => (Posix.FileSys.closedir dir; | |
302 | files) | |
303 | | SOME fname => | |
304 | if String.isSuffix ".dtl" fname then | |
305 | loop (OS.Path.joinDirFile {dir = Config.libRoot, | |
306 | file = fname} | |
307 | :: files) | |
308 | else | |
309 | loop files | |
310 | ||
311 | val files = loop [] | |
312 | in | |
313 | Autodoc.autodoc {outdir = outdir, infiles = files} | |
314 | end | |
315 | ||
234b917a | 316 | end |