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c87644cce04bf17a5b2f90a18b3f29ba269763cc
[hcoop/domtool2.git] / src / plugins / apache.sml
1 (* HCoop Domtool (http://hcoop.sourceforge.net/)
2 * Copyright (c) 2006-2009, Adam Chlipala
3 * Copyright (c) 2013,2014,2015,2017,2018,2019 Clinton Ebadi
4 *
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License
7 * as published by the Free Software Foundation; either version 2
8 * of the License, or (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
18 *)
19
20 (* Apache HTTPD handling *)
21
22 structure Apache :> APACHE = struct
23
24 open Ast
25
26 val dl = ErrorMsg.dummyLoc
27
28 fun webNode node =
29 List.exists (fn (x, _) => x = node) Config.Apache.webNodes_all
30 orelse (Domain.hasPriv "www"
31 andalso List.exists (fn (x, _) => x = node) Config.Apache.webNodes_admin)
32
33 val _ = Env.type_one "web_node"
34 Env.string
35 webNode
36
37 val _ = Env.registerFunction ("web_node_to_node",
38 fn [e] => SOME e
39 | _ => NONE)
40
41 fun webPlace (EApp ((EVar "web_place_default", _), (EString node, _)), _) =
42 SOME (node, Domain.nodeIp node, Domain.nodeIpv6 node)
43 | webPlace (EApp ((EApp ((EApp ((EVar "web_place", _), (EString node, _)), _), (EString ip, _)), _), (EString ipv6, _)), _) =
44 SOME (node, ip, ipv6)
45 | webPlace _ = NONE
46
47 fun webPlaceDefault node = (EApp ((EVar "web_place_default", dl), (EString node, dl)), dl)
48
49 val _ = Env.registerFunction ("web_place_to_web_node",
50 fn [e] => Option.map (fn (node, _, _) => (EString node, dl)) (webPlace e)
51 | _ => NONE)
52
53 val _ = Env.registerFunction ("web_place_to_node",
54 fn [e] => Option.map (fn (node, _, _) => (EString node, dl)) (webPlace e)
55 | _ => NONE)
56
57 val _ = Env.registerFunction ("web_place_to_ip",
58 fn [e] => Option.map (fn (_, ip, _) => (EString ip, dl)) (webPlace e)
59 | _ => NONE)
60
61 val _ = Env.registerFunction ("web_place_to_ipv6",
62 fn [e] => Option.map (fn (_, _, ipv6) => (EString ipv6, dl)) (webPlace e)
63 | _ => NONE)
64
65 val _ = Env.type_one "proxy_port"
66 Env.int
67 (fn n => n > 1024)
68
69 fun validProxyTarget default s =
70 case String.fields (fn ch => ch = #":") s of
71 "http" :: host :: rest =>
72 let
73 val rest = String.concatWith ":" rest
74 in
75 if List.exists (fn h' => host = h') (map (fn h => String.concat ["//", h]) Config.Apache.proxyHosts)
76 then
77 CharVector.all (fn ch => Char.isPrint ch andalso not (Char.isSpace ch)
78 andalso ch <> #"\"" andalso ch <> #"'") rest
79 andalso case String.fields (fn ch => ch = #"/") rest of
80 port :: _ =>
81 (case Int.fromString port of
82 NONE => default s
83 | SOME n => n > 1024 orelse default s)
84 | _ => default s
85 else
86 default s
87 end
88 | _ => default s
89
90 val _ = Env.type_one "proxy_target"
91 Env.string
92 (validProxyTarget (fn s => List.exists (fn s' => s = s') (Config.Apache.proxyTargets @ ["!"])))
93
94 val _ = Env.type_one "proxy_reverse_target"
95 Env.string
96 (validProxyTarget (fn s => List.exists (fn s' => s = s') Config.Apache.proxyTargets))
97
98 val _ = Env.type_one "rewrite_arg"
99 Env.string
100 (* #":" is permitted here, but really ought to be disallowed or escaped for E=VAR:VAL *)
101 (CharVector.all (fn ch => (Char.isGraph ch) andalso not (List.exists (fn c => ch = c) [ #"[", #"]", #",", #"\"", #"'", #"=", #"\\" ])))
102
103 val _ = Env.type_one "suexec_flag"
104 Env.bool
105 (fn b => b orelse Domain.hasPriv "www")
106
107 val _ = Env.type_one "regexp"
108 Env.string
109 Pcre.validRegexp
110
111 fun validLocation s =
112 size s > 0 andalso size s < 1000 andalso CharVector.all
113 (fn ch => Char.isAlphaNum ch
114 orelse ch = #"-"
115 orelse ch = #"_"
116 orelse ch = #"."
117 orelse ch = #"/"
118 orelse ch = #"~") s
119
120 val _ = Env.type_one "location"
121 Env.string
122 validLocation
123
124 fun validCert s = Acl.query {user = Domain.getUser (),
125 class = "cert",
126 value = s}
127
128 fun validCaCert s = Acl.query {user = Domain.getUser (),
129 class = "cacert",
130 value = s}
131
132 val _ = Env.type_one "ssl_cert_path"
133 Env.string
134 validCert
135
136 val _ = Env.type_one "ssl_cacert_path"
137 Env.string
138 validCaCert
139
140 fun ssl e = case e of
141 (EVar "no_ssl", _) => SOME NONE
142 | (EApp ((EVar "use_cert", _), s), _) => Option.map SOME (Env.string s)
143 | _ => NONE
144
145 fun validExtension s =
146 size s > 0
147 andalso size s < 20
148 andalso CharVector.all (fn ch => Char.isAlphaNum ch orelse ch = #"_") s
149
150 val _ = Env.type_one "file_extension"
151 Env.string
152 validExtension
153
154 val _ = Env.registerFunction ("defaultServerAdmin",
155 fn [] => SOME (EString (Domain.getUser () ^ "@" ^ Config.defaultDomain), dl)
156 | _ => NONE)
157
158 val redirect_code = fn (EVar "temp", _) => SOME "temp"
159 | (EVar "permanent", _) => SOME "permanent"
160 | (EVar "seeother", _) => SOME "seeother"
161 | (EVar "redir300", _) => SOME "300"
162 | (EVar "redir301", _) => SOME "301"
163 | (EVar "redir302", _) => SOME "302"
164 | (EVar "redir303", _) => SOME "303"
165 | (EVar "redir304", _) => SOME "304"
166 | (EVar "redir305", _) => SOME "305"
167 | (EVar "redir307", _) => SOME "307"
168 | (EVar "notfound", _) => SOME "404"
169 | _ => NONE
170
171 val flag = fn (EVar "redirect", _) => SOME "R"
172 | (EVar "forbidden", _) => SOME "F"
173 | (EVar "gone", _) => SOME "G"
174 | (EVar "last", _) => SOME "L"
175 | (EVar "chain", _) => SOME "C"
176 | (EVar "nosubreq", _) => SOME "NS"
177 | (EVar "nocase", _) => SOME "NC"
178 | (EVar "qsappend", _) => SOME "QSA"
179 | (EVar "noescape", _) => SOME "NE"
180 | (EVar "passthrough", _) => SOME "PT"
181 | (EApp ((EVar "mimeType", _), e), _) =>
182 Option.map (fn s => "T=" ^ s) (Env.string e)
183 | (EApp ((EVar "redirectWith", _), e), _) =>
184 Option.map (fn s => "R=" ^ s) (redirect_code e)
185 | (EApp ((EVar "skip", _), e), _) =>
186 Option.map (fn n => "S=" ^ Int.toString n) (Env.int e)
187 | (EApp ((EApp ((EVar "env", _), e1), _), e2), _) =>
188 (case Env.string e1 of
189 NONE => NONE
190 | SOME s1 => Option.map (fn s2 => "E=" ^ s1 ^ ":" ^ s2)
191 (Env.string e2))
192
193 | _ => NONE
194
195 val cond_flag = fn (EVar "cond_nocase", _) => SOME "NC"
196 | (EVar "ornext", _) => SOME "OR"
197 | _ => NONE
198
199 val apache_option = fn (EVar "execCGI", _) => SOME "ExecCGI"
200 | (EVar "includesNOEXEC", _) => SOME "IncludesNOEXEC"
201 | (EVar "indexes", _) => SOME "Indexes"
202 | (EVar "followSymLinks", _) => SOME "FollowSymLinks"
203 | (EVar "multiViews", _) => SOME "MultiViews"
204 | _ => NONE
205
206 val autoindex_width = fn (EVar "autofit", _) => SOME "*"
207 | (EApp ((EVar "characters", _), n), _) =>
208 Option.map Int.toString (Env.int n)
209 | _ => NONE
210
211 val autoindex_option = fn (EApp ((EVar "descriptionWidth", _), w), _) =>
212 Option.map (fn w => ("DescriptionWidth", SOME w))
213 (autoindex_width w)
214 | (EVar "fancyIndexing", _) => SOME ("FancyIndexing", NONE)
215 | (EVar "foldersFirst", _) => SOME ("FoldersFirst", NONE)
216 | (EVar "htmlTable", _) => SOME ("HTMLTable", NONE)
217 | (EVar "iconsAreLinks", _) => SOME ("IconsAreLinks", NONE)
218 | (EApp ((EVar "iconHeight", _), n), _) =>
219 Option.map (fn w => ("IconHeight", SOME (Int.toString w)))
220 (Env.int n)
221 | (EApp ((EVar "iconWidth", _), n), _) =>
222 Option.map (fn w => ("IconWidth", SOME (Int.toString w)))
223 (Env.int n)
224 | (EVar "ignoreCase", _) => SOME ("IgnoreCase", NONE)
225 | (EVar "ignoreClient", _) => SOME ("IgnoreClient", NONE)
226 | (EApp ((EVar "nameWidth", _), w), _) =>
227 Option.map (fn w => ("NameWidth", SOME w))
228 (autoindex_width w)
229 | (EVar "scanHtmlTitles", _) => SOME ("ScanHTMLTitles", NONE)
230 | (EVar "suppressColumnSorting", _) => SOME ("SuppressColumnSorting", NONE)
231 | (EVar "suppressDescription", _) => SOME ("SuppressDescription", NONE)
232 | (EVar "suppressHtmlPreamble", _) => SOME ("SuppressHTMLPreamble", NONE)
233 | (EVar "suppressIcon", _) => SOME ("SuppressIcon", NONE)
234 | (EVar "suppressLastModified", _) => SOME ("SuppressLastModified", NONE)
235 | (EVar "suppressRules", _) => SOME ("SuppressRules", NONE)
236 | (EVar "suppressSize", _) => SOME ("SuppressSize", NONE)
237 | (EVar "trackModified", _) => SOME ("TrackModified", NONE)
238 | (EVar "versionSort", _) => SOME ("VersionSort", NONE)
239 | (EVar "xhtml", _) => SOME ("XHTML", NONE)
240
241 | _ => NONE
242
243 val interval_base = fn (EVar "access", _) => SOME "access"
244 | (EVar "modification", _) => SOME "modification"
245 | _ => NONE
246
247 val interval = fn (EVar "years", _) => SOME "years"
248 | (EVar "months", _) => SOME "months"
249 | (EVar "weeks", _) => SOME "weeks"
250 | (EVar "days", _) => SOME "days"
251 | (EVar "hours", _) => SOME "hours"
252 | (EVar "minutes", _) => SOME "minutes"
253 | (EVar "seconds", _) => SOME "seconds"
254 | _ => NONE
255
256 val vhostsChanged = ref false
257 val logDeleted = ref false
258 val delayedLogMoves = ref (fn () => ())
259
260 val () = Slave.registerPreHandler
261 (fn () => (vhostsChanged := false;
262 logDeleted := false;
263 delayedLogMoves := (fn () => print "Executing delayed log moves/deletes.\n")))
264
265 fun findVhostUser fname =
266 let
267 val inf = TextIO.openIn fname
268
269 fun loop () =
270 case TextIO.inputLine inf of
271 NONE => NONE
272 | SOME line =>
273 if String.isPrefix "# Owner: " line then
274 case String.tokens Char.isSpace line of
275 [_, _, user] => SOME user
276 | _ => NONE
277 else
278 loop ()
279 in
280 loop ()
281 before TextIO.closeIn inf
282 end handle _ => NONE
283
284 val webNodes_full = Config.Apache.webNodes_all @ Config.Apache.webNodes_admin
285
286 fun isVersion1 node =
287 List.exists (fn (n, {version = ConfigTypes.APACHE_1_3, ...}) => n = node
288 | _ => false) webNodes_full
289
290 fun imVersion1 () = isVersion1 (Slave.hostname ())
291
292 fun isWaklog node =
293 List.exists (fn (n, {auth = ConfigTypes.MOD_WAKLOG, ...}) => n = node
294 | _ => false) webNodes_full
295
296 fun down () = if imVersion1 () then Config.Apache.down1 else Config.Apache.down
297 fun undown () = if imVersion1 () then Config.Apache.undown1 else Config.Apache.undown
298 fun reload () = if imVersion1 () then Config.Apache.reload1 else Config.Apache.reload
299 fun fixperms () = if imVersion1 () then Config.Apache.fixperms1 else Config.Apache.fixperms
300
301 fun logDir {user, node, vhostId} =
302 String.concat [Config.Apache.logDirOf (isVersion1 node) user,
303 "/",
304 node,
305 "/",
306 vhostId]
307
308 fun realLogDir {user, node, vhostId} =
309 String.concat [Config.Apache.realLogDirOf user,
310 "/",
311 node,
312 "/",
313 vhostId]
314
315 val () = Slave.registerFileHandler (fn fs =>
316 let
317 val spl = OS.Path.splitDirFile (#file fs)
318 in
319 if String.isSuffix ".vhost" (#file spl)
320 orelse String.isSuffix ".vhost_ssl" (#file spl) then let
321 val realVhostFile = OS.Path.joinDirFile
322 {dir = Config.Apache.confDir,
323 file = #file spl}
324
325 val user = findVhostUser (#file fs)
326 val oldUser = case #action fs of
327 Slave.Delete false => user
328 | _ => findVhostUser realVhostFile
329 in
330 if (oldUser = NONE andalso #action fs <> Slave.Add)
331 orelse (user = NONE andalso not (Slave.isDelete (#action fs))) then
332 print ("Can't find user in " ^ #file fs ^ " or " ^ realVhostFile ^ "! Taking no action.\n")
333 else
334 let
335 val vhostId = if OS.Path.ext (#file spl) = SOME "vhost_ssl" then
336 OS.Path.base (#file spl) ^ ".ssl"
337 else
338 OS.Path.base (#file spl)
339
340 fun realLogDir user =
341 logDir {user = valOf user,
342 node = Slave.hostname (),
343 vhostId = vhostId}
344
345 fun backupLogs () =
346 OS.Path.joinDirFile
347 {dir = Config.Apache.backupLogDirOf
348 (isVersion1 (Slave.hostname ())),
349 file = vhostId}
350 in
351 vhostsChanged := true;
352 case #action fs of
353 Slave.Delete _ =>
354 let
355 val ldir = realLogDir oldUser
356 val dlm = !delayedLogMoves
357 in
358 if !logDeleted then
359 ()
360 else
361 ((*ignore (OS.Process.system (down ()));*)
362 ignore (OS.Process.system (fixperms ()));
363 logDeleted := true);
364 ignore (OS.Process.system (Config.rm
365 ^ " -rf "
366 ^ realVhostFile));
367 delayedLogMoves := (fn () => (dlm ();
368 Slave.moveDirCreate {from = ldir,
369 to = backupLogs ()}))
370 end
371 | Slave.Add =>
372 let
373 val rld = realLogDir user
374 in
375 ignore (OS.Process.system (Config.cp
376 ^ " "
377 ^ #file fs
378 ^ " "
379 ^ realVhostFile));
380 if Posix.FileSys.access (rld, []) then
381 ()
382 else
383 Slave.moveDirCreate {from = backupLogs (),
384 to = rld}
385 end
386
387 | _ =>
388 (ignore (OS.Process.system (Config.cp
389 ^ " "
390 ^ #file fs
391 ^ " "
392 ^ realVhostFile));
393 if user <> oldUser then
394 let
395 val old = realLogDir oldUser
396 val rld = realLogDir user
397
398 val dlm = !delayedLogMoves
399 in
400 if !logDeleted then
401 ()
402 else
403 ((*ignore (OS.Process.system (down ()));*)
404 logDeleted := true);
405 delayedLogMoves := (fn () => (dlm ();
406 ignore (OS.Process.system (Config.rm
407 ^ " -rf "
408 ^ realLogDir oldUser))));
409 if Posix.FileSys.access (rld, []) then
410 ()
411 else
412 Slave.mkDirAll rld
413 end
414 else
415 ())
416 end
417 end
418 else
419 ()
420 end)
421
422 val () = Slave.registerPostHandler
423 (fn () =>
424 (if !vhostsChanged then
425 (Slave.shellF ([reload ()],
426 fn cl => "Error reloading Apache with " ^ cl);
427 if !logDeleted then !delayedLogMoves () else ())
428 else
429 ()))
430
431 val vhostFiles : (string * TextIO.outstream) list ref = ref []
432 fun write' s = app (fn (node, file) => TextIO.output (file, s node)) (!vhostFiles)
433 fun write s = app (fn (_, file) => TextIO.output (file, s)) (!vhostFiles)
434
435 val rewriteEnabled = ref false
436 val localRewriteEnabled = ref false
437 val expiresEnabled = ref false
438 val localExpiresEnabled = ref false
439 val currentVhost = ref ""
440 val currentVhostId = ref ""
441 val sslEnabled = ref false
442
443 val pre = ref (fn _ : {user : string, nodes : string list, id : string, hostname : string} => ())
444 fun registerPre f =
445 let
446 val old = !pre
447 in
448 pre := (fn x => (old x; f x))
449 end
450
451 val post = ref (fn () => ())
452 fun registerPost f =
453 let
454 val old = !post
455 in
456 post := (fn () => (old (); f ()))
457 end
458
459 fun doPre x = !pre x
460 fun doPost () = !post ()
461
462 val aliaser = ref (fn _ : string => ())
463 fun registerAliaser f =
464 let
465 val old = !aliaser
466 in
467 aliaser := (fn x => (old x; f x))
468 end
469
470 fun vhostPost () = (!post ();
471 write "</VirtualHost>\n";
472 app (TextIO.closeOut o #2) (!vhostFiles))
473
474 val php_version = fn (EVar "php56", _) => SOME 56
475 | (EVar "php72", _) => SOME 72
476 | (EVar "php73", _) => SOME 73
477 | (EVar "php74", _) => SOME 74
478 | _ => NONE
479
480 fun vhostBody (env, makeFullHost) =
481 let
482 val places = Env.env (Env.list webPlace) (env, "WebPlaces")
483
484 val ssl = Env.env ssl (env, "SSL")
485 val user = Env.env Env.string (env, "User")
486 val group = Env.env Env.string (env, "Group")
487 val docroot = Env.env Env.string (env, "DocumentRoot")
488 val sadmin = Env.env Env.string (env, "ServerAdmin")
489 val suexec = Env.env Env.bool (env, "SuExec")
490 val php = Env.env php_version (env, "PhpVersion")
491
492 val fullHost = makeFullHost (Domain.currentDomain ())
493 val vhostId = fullHost ^ (if Option.isSome ssl then ".ssl" else "")
494 val confFile = fullHost ^ (if Option.isSome ssl then ".vhost_ssl" else ".vhost")
495 in
496 currentVhost := fullHost;
497 currentVhostId := vhostId;
498 sslEnabled := Option.isSome ssl;
499
500 rewriteEnabled := false;
501 localRewriteEnabled := false;
502 expiresEnabled := false;
503 localExpiresEnabled := false;
504 vhostFiles := map (fn (node, ip, ipv6) =>
505 let
506 val file = Domain.domainFile {node = node,
507 name = confFile}
508
509 val ld = logDir {user = user, node = node, vhostId = vhostId}
510 in
511 TextIO.output (file, "# Owner: ");
512 TextIO.output (file, user);
513 TextIO.output (file, "\n<VirtualHost ");
514
515 TextIO.output (file, ip);
516 TextIO.output (file, ":");
517 TextIO.output (file, case ssl of
518 SOME _ => "443"
519 | NONE => "80");
520
521 TextIO.output (file, " [");
522 TextIO.output (file, ipv6);
523 TextIO.output (file, "]");
524 TextIO.output (file, ":");
525 TextIO.output (file, case ssl of
526 SOME _ => "443"
527 | NONE => "80");
528
529 TextIO.output (file, ">\n");
530 TextIO.output (file, "\tErrorLog ");
531 TextIO.output (file, ld);
532 TextIO.output (file, "/error.log\n\tCustomLog ");
533 TextIO.output (file, ld);
534 TextIO.output (file, "/access.log combined\n");
535 TextIO.output (file, "\tServerName ");
536 TextIO.output (file, fullHost);
537 app
538 (fn dom => (TextIO.output (file, "\n\tServerAlias ");
539 TextIO.output (file, makeFullHost dom)))
540 (Domain.currentAliasDomains ());
541
542 if suexec then
543 if isVersion1 node then
544 (TextIO.output (file, "\n\tUser ");
545 TextIO.output (file, user);
546 TextIO.output (file, "\n\tGroup ");
547 TextIO.output (file, group))
548 else
549 (TextIO.output (file, "\n\tSuexecUserGroup ");
550 TextIO.output (file, user);
551 TextIO.output (file, " ");
552 TextIO.output (file, group))
553 else
554 ();
555
556 if isWaklog node then
557 (TextIO.output (file, "\n\tWaklogEnabled on\n\tWaklogLocationPrincipal ");
558 TextIO.output (file, user);
559 TextIO.output (file, "/daemon@HCOOP.NET /etc/keytabs/user.daemon/");
560 TextIO.output (file, user))
561 else
562 ();
563
564 TextIO.output (file, "\n\tDAVLockDB /var/lock/apache2/dav/");
565 TextIO.output (file, user);
566 TextIO.output (file, "/DAVLock");
567
568 TextIO.output (file, "\n\tAddHandler fcgid-script .php .phtml");
569 map (fn ext => (TextIO.output (file, "\n\tFcgidWrapper \"");
570 (* kerberos wrapper, simulates waklog+mod_cgi *)
571 if isWaklog node then
572 (TextIO.output (file, Config.Apache.fastCgiWrapperOf user);
573 TextIO.output (file, " "))
574 else
575 ();
576 TextIO.output (file, Config.Apache.phpFastCgiWrapper php);
577 TextIO.output (file, "\" ");
578 TextIO.output (file, ext)))
579 [".php", ".phtml"];
580 (ld, file)
581 end)
582 places;
583 write "\n\tDocumentRoot ";
584 write docroot;
585 write "\n\tServerAdmin ";
586 write sadmin;
587 case ssl of
588 SOME cert =>
589 (write "\n\tSSLEngine on\n\tSSLCertificateFile ";
590 write cert)
591 | NONE => ();
592 write "\n";
593 !pre {user = user, nodes = map #1 places, id = vhostId, hostname = fullHost};
594 app (fn dom => !aliaser (makeFullHost dom)) (Domain.currentAliasDomains ())
595 end
596
597 val () = Env.containerV_one "vhost"
598 ("host", Env.string)
599 (fn (env, host) => vhostBody (env, fn dom => host ^ "." ^ dom),
600 vhostPost)
601
602 val () = Env.containerV_none "vhostDefault"
603 (fn env => vhostBody (env, fn dom => dom),
604 vhostPost)
605
606 val inLocal = ref false
607
608 val () = Env.container_one "location"
609 ("prefix", Env.string)
610 (fn prefix =>
611 (write "\t<Location ";
612 write prefix;
613 write ">\n";
614 inLocal := true),
615 fn () => (write "\t</Location>\n";
616 inLocal := false;
617 localRewriteEnabled := false;
618 localExpiresEnabled := false))
619
620 val () = Env.container_one "directory"
621 ("directory", Env.string)
622 (fn directory =>
623 (write "\t<Directory ";
624 write directory;
625 write ">\n";
626 inLocal := true),
627 fn () => (write "\t</Directory>\n";
628 inLocal := false;
629 localRewriteEnabled := false;
630 localExpiresEnabled := false))
631
632 val () = Env.container_one "filesMatch"
633 ("regexp", Env.string)
634 (fn prefix =>
635 (write "\t<FilesMatch \"";
636 write prefix;
637 write "\">\n"),
638 fn () => (write "\t</FilesMatch>\n";
639 localRewriteEnabled := false;
640 localExpiresEnabled := false))
641
642 fun checkRewrite () =
643 if !inLocal then
644 if !localRewriteEnabled then
645 ()
646 else
647 (write "\tRewriteEngine on\n";
648 localRewriteEnabled := true)
649 else if !rewriteEnabled then
650 ()
651 else
652 (write "\tRewriteEngine on\n";
653 rewriteEnabled := true)
654
655 fun checkExpires () =
656 if !inLocal then
657 if !localExpiresEnabled then
658 ()
659 else
660 (write "\tExpiresActive on\n";
661 localExpiresEnabled := true)
662 else if !expiresEnabled then
663 ()
664 else
665 (write "\tExpiresActive on\n";
666 expiresEnabled := true)
667
668 val () = Env.action_four "proxyRewrite"
669 ("from", Env.string, "to", Env.string, "tohost", Env.string, "flags", Env.list flag)
670 (fn (from, to, tohost, flags) =>
671 (checkRewrite ();
672 write "\tRewriteRule\t\"";
673 write from;
674 write "\"\t\"";
675 write tohost;
676 write "/"; (* ensure rewrite rule can't change port *)
677 write to;
678 write "\"";
679 write " [P";
680 case flags of
681 [] => ()
682 | flag::rest => (write ",";
683 write flag;
684 app (fn flag => (write ",";
685 write flag)) rest);
686
687 write "]\n"))
688
689 val () = Env.action_four "expiresByType"
690 ("mime", Env.string, "base", interval_base, "num", Env.int, "inter", interval)
691 (fn (mime, base, num, inter) =>
692 (checkExpires ();
693 write "\tExpiresByType\t\"";
694 write mime;
695 write "\"\t\"";
696 write base;
697 write " plus ";
698 if num < 0 then
699 (write "-";
700 write (Int.toString (~num)))
701 else
702 write (Int.toString num);
703 write " ";
704 write inter;
705 write "\"\n"))
706
707 val () = Env.action_two "proxyPass"
708 ("from", Env.string, "to", Env.string)
709 (fn (from, to) =>
710 (write "\tProxyPass\t";
711 write from;
712 write "\t";
713 write to;
714 write "\tretry=0\n"))
715
716 val () = Env.action_two "proxyPassReverse"
717 ("from", Env.string, "to", Env.string)
718 (fn (from, to) =>
719 (write "\tProxyPassReverse\t";
720 write from;
721 write "\t";
722 write to;
723 write "\n"))
724
725 val () = Env.action_one "proxyPreserveHost"
726 ("enable", Env.bool)
727 (fn (enable) =>
728 (write "\tProxyPreserveHost\t";
729 if enable then write "On" else write "Off";
730 write "\n"))
731
732 val () = Env.action_three "rewriteRule"
733 ("from", Env.string, "to", Env.string, "flags", Env.list flag)
734 (fn (from, to, flags) =>
735 (checkRewrite ();
736 write "\tRewriteRule\t\"";
737 write from;
738 write "\"\t\"";
739 write to;
740 write "\"";
741 case flags of
742 [] => ()
743 | flag::rest => (write " [";
744 write flag;
745 app (fn flag => (write ",";
746 write flag)) rest;
747 write "]");
748 write "\n"))
749
750 val () = Env.action_three "rewriteCond"
751 ("test", Env.string, "pattern", Env.string, "flags", Env.list cond_flag)
752 (fn (from, to, flags) =>
753 (checkRewrite ();
754 write "\tRewriteCond\t\"";
755 write from;
756 write "\"\t\"";
757 write to;
758 write "\"";
759 case flags of
760 [] => ()
761 | flag::rest => (write " [";
762 write flag;
763 app (fn flag => (write ",";
764 write flag)) rest;
765 write "]");
766 write "\n"))
767
768 val () = Env.action_one "rewriteBase"
769 ("prefix", Env.string)
770 (fn prefix =>
771 (checkRewrite ();
772 write "\tRewriteBase\t\"";
773 write prefix;
774 write "\"\n"))
775
776 val _ = Env.type_one "mod_rewrite_trace_level"
777 Env.int
778 (fn n => n > 0 andalso n <= 8)
779
780 val () = Env.action_one "rewriteLogLevel"
781 ("level", Env.int)
782 (fn 0 =>
783 (checkRewrite ();
784 write "\tLogLevel rewrite:warn\n")
785 | level =>
786 (checkRewrite ();
787 write "\tLogLevel rewrite:trace";
788 write (Int.toString level);
789 write "\n"))
790
791 val () = Env.action_two "alias"
792 ("from", Env.string, "to", Env.string)
793 (fn (from, to) =>
794 (write "\tAlias\t";
795 write from;
796 write " ";
797 write to;
798 write "\n"))
799
800 val () = Env.action_two "scriptAlias"
801 ("from", Env.string, "to", Env.string)
802 (fn (from, to) =>
803 (write "\tScriptAlias\t";
804 write from;
805 write " ";
806 write to;
807 write "\n"))
808
809 val () = Env.action_two "fastScriptAlias"
810 ("from", Env.string, "to", Env.string)
811 (fn (from, to) =>
812 let
813 (* mod_fcgid + kerberos limit this to working with
814 individual fcgi programs. assume the target path is a
815 file and any trailing `/' is just aliasing
816 syntax. Directory+File on the script is used to
817 activate fcgid instead of Location on the alias to
818 limit effects (alias+location also match in inverse
819 order causing pernicious side-effects *)
820 val fcgi_path = if String.sub (to, size to - 1) = #"/"
821 then
822 String.substring (to, 0, size to - 1)
823 else
824 to
825 val fcgi_dir = OS.Path.dir fcgi_path
826 val fcgi_file = OS.Path.file fcgi_path
827 in
828 write "\tAlias\t"; write from; write " "; write to; write "\n";
829
830 write "\t<Directory "; write fcgi_dir; write ">\n";
831 write "\t<Files "; write fcgi_file; write ">\n";
832 write "\tSetHandler fcgid-script\n";
833
834 (* FIXME: only set kerberos wrapper of waklog is on *)
835 (* won't be trivial, since we don't have access to node here *)
836 write "\tFcgidWrapper \"";
837 write (Config.Apache.fastCgiWrapperOf (Domain.getUser ()));
838 write " ";
839 write fcgi_path;
840 write "\"\n";
841
842 write "\t</Files>\n\t</Directory>\n"
843 end)
844
845 val () = Env.action_two "errorDocument"
846 ("code", Env.string, "handler", Env.string)
847 (fn (code, handler) =>
848 let
849 val hasSpaces = CharVector.exists Char.isSpace handler
850
851 fun maybeQuote () =
852 if hasSpaces then
853 write "\""
854 else
855 ()
856 in
857 write "\tErrorDocument\t";
858 write code;
859 write " ";
860 maybeQuote ();
861 write handler;
862 maybeQuote ();
863 write "\n"
864 end)
865
866 val () = Env.action_one "options"
867 ("options", Env.list apache_option)
868 (fn opts =>
869 case opts of
870 [] => ()
871 | _ => (write "\tOptions";
872 app (fn opt => (write " "; write opt)) opts;
873 write "\n"))
874
875 val () = Env.action_one "set_options"
876 ("options", Env.list apache_option)
877 (fn opts =>
878 case opts of
879 [] => ()
880 | _ => (write "\tOptions";
881 app (fn opt => (write " +"; write opt)) opts;
882 write "\n"))
883
884 val () = Env.action_one "unset_options"
885 ("options", Env.list apache_option)
886 (fn opts =>
887 case opts of
888 [] => ()
889 | _ => (write "\tOptions";
890 app (fn opt => (write " -"; write opt)) opts;
891 write "\n"))
892
893 val () = Env.action_one "cgiExtension"
894 ("extension", Env.string)
895 (fn ext => (write "\tAddHandler cgi-script ";
896 write ext;
897 write "\n"))
898
899 val () = Env.action_one "directoryIndex"
900 ("filenames", Env.list Env.string)
901 (fn opts =>
902 (write "\tDirectoryIndex";
903 app (fn opt => (write " "; write opt)) opts;
904 write "\n"))
905
906 val () = Env.action_one "directorySlash"
907 ("enable", Env.bool)
908 (fn enable =>
909 (write "\tDirectorySlash ";
910 if enable then write "On" else write "Off";
911 write "\n"))
912
913 val () = Env.action_one "serverAliasHost"
914 ("host", Env.string)
915 (fn host =>
916 (write "\tServerAlias ";
917 write host;
918 write "\n";
919 !aliaser host))
920
921 val () = Env.action_one "serverAlias"
922 ("host", Env.string)
923 (fn host =>
924 (app
925 (fn dom =>
926 let
927 val full = host ^ "." ^ dom
928 in
929 write "\tServerAlias ";
930 write full;
931 write "\n";
932 !aliaser full
933 end)
934 (Domain.currentDomains ())))
935
936 val () = Env.action_none "serverAliasDefault"
937 (fn () =>
938 (app
939 (fn dom =>
940 (write "\tServerAlias ";
941 write dom;
942 write "\n";
943 !aliaser dom))
944 (Domain.currentDomains ())))
945
946 val authType = fn (EVar "basic", _) => SOME "basic"
947 | (EVar "digest", _) => SOME "digest"
948 | (EVar "kerberos", _) => SOME "kerberos"
949 | _ => NONE
950
951 fun allowAuthType "kerberos" = !sslEnabled
952 | allowAuthType _ = true
953
954 val () = Env.action_one "authType"
955 ("type", authType)
956 (fn ty =>
957 if allowAuthType ty then
958 (write "\tAuthType ";
959 write ty;
960 write "\n";
961 case ty of
962 "kerberos" =>
963 write "\tKrbServiceName HTTP\n\tKrb5Keytab /etc/keytabs/service/apache\n\tKrbMethodNegotiate on\n\tKrbMethodK5Passwd on\n\tKrbVerifyKDC on\n\tKrbAuthRealms HCOOP.NET\n\tKrbSaveCredentials on\n"
964 | _ => ())
965 else
966 print "WARNING: Skipped Kerberos authType because this isn't an SSL vhost.\n")
967
968 val () = Env.action_one "authName"
969 ("name", Env.string)
970 (fn name =>
971 (write "\tAuthName \"";
972 write name;
973 write "\"\n"))
974
975 val () = Env.action_one "authUserFile"
976 ("file", Env.string)
977 (fn name =>
978 (write "\tAuthUserFile ";
979 write name;
980 write "\n"))
981
982 val () = Env.action_one "authGroupFile"
983 ("file", Env.string)
984 (fn name =>
985 (write "\tAuthGroupFile ";
986 write name;
987 write "\n"))
988
989 val () = Env.action_none "requireValidUser"
990 (fn () => write "\tRequire valid-user\n")
991
992 val () = Env.action_one "requireUser"
993 ("users", Env.list Env.string)
994 (fn names =>
995 case names of
996 [] => ()
997 | _ => (write "\tRequire user";
998 app (fn name => (write " "; write name)) names;
999 write "\n"))
1000
1001 val () = Env.action_one "requireGroup"
1002 ("groups", Env.list Env.string)
1003 (fn names =>
1004 case names of
1005 [] => ()
1006 | _ => (write "\tRequire group";
1007 app (fn name => (write " "; write name)) names;
1008 write "\n"))
1009
1010 val () = Env.action_none "orderAllowDeny"
1011 (fn () => write "\tOrder allow,deny\n")
1012
1013 val () = Env.action_none "orderDenyAllow"
1014 (fn () => write "\tOrder deny,allow\n")
1015
1016 val () = Env.action_none "allowFromAll"
1017 (fn () => write "\tAllow from all\n")
1018
1019 val () = Env.action_one "allowFrom"
1020 ("entries", Env.list Env.string)
1021 (fn names =>
1022 case names of
1023 [] => ()
1024 | _ => (write "\tAllow from";
1025 app (fn name => (write " "; write name)) names;
1026 write "\n"))
1027
1028 val () = Env.action_none "denyFromAll"
1029 (fn () => write "\tDeny from all\n")
1030
1031 val () = Env.action_one "denyFrom"
1032 ("entries", Env.list Env.string)
1033 (fn names =>
1034 case names of
1035 [] => ()
1036 | _ => (write "\tDeny from";
1037 app (fn name => (write " "; write name)) names;
1038 write "\n"))
1039
1040 val () = Env.action_none "satisfyAll"
1041 (fn () => write "\tSatisfy all\n")
1042
1043 val () = Env.action_none "satisfyAny"
1044 (fn () => write "\tSatisfy any\n")
1045
1046 val () = Env.action_one "forceType"
1047 ("type", Env.string)
1048 (fn ty => (write "\tForceType ";
1049 write ty;
1050 write "\n"))
1051
1052 val () = Env.action_none "forceTypeOff"
1053 (fn () => write "\tForceType None\n")
1054
1055 val () = Env.action_two "action"
1056 ("what", Env.string, "how", Env.string)
1057 (fn (what, how) => (write "\tAction ";
1058 write what;
1059 write " ";
1060 write how;
1061 write "\n"))
1062
1063 val () = Env.action_one "addDefaultCharset"
1064 ("charset", Env.string)
1065 (fn ty => (write "\tAddDefaultCharset ";
1066 write ty;
1067 write "\n"))
1068
1069 (*val () = Env.action_one "davSvn"
1070 ("path", Env.string)
1071 (fn path => (write "\tDAV svn\n\tSVNPath ";
1072 write path;
1073 write "\n"))
1074
1075 val () = Env.action_one "authzSvnAccessFile"
1076 ("path", Env.string)
1077 (fn path => (write "\tAuthzSVNAccessFile ";
1078 write path;
1079 write "\n"))*)
1080
1081 val () = Env.action_none "davFilesystem"
1082 (fn path => write "\tDAV filesystem\n")
1083
1084 val () = Env.action_two "addDescription"
1085 ("description", Env.string, "patterns", Env.list Env.string)
1086 (fn (desc, pats) =>
1087 case pats of
1088 [] => ()
1089 | _ => (write "\tAddDescription \"";
1090 write (String.toString desc);
1091 write "\"";
1092 app (fn pat => (write " "; write pat)) pats;
1093 write "\n"))
1094
1095 val () = Env.action_two "addIcon"
1096 ("icon", Env.string, "patterns", Env.list Env.string)
1097 (fn (icon, pats) =>
1098 case pats of
1099 [] => ()
1100 | _ => (write "\tAddIcon \"";
1101 write icon;
1102 write "\"";
1103 app (fn pat => (write " "; write pat)) pats;
1104 write "\n"))
1105
1106 val () = Env.action_one "indexOptions"
1107 ("options", Env.list autoindex_option)
1108 (fn opts =>
1109 case opts of
1110 [] => ()
1111 | _ => (write "\tIndexOptions";
1112 app (fn (opt, arg) =>
1113 (write " ";
1114 write opt;
1115 Option.app (fn arg =>
1116 (write "="; write arg)) arg)) opts;
1117 write "\n"))
1118
1119 val () = Env.action_one "indexIgnore"
1120 ("patterns", Env.list Env.string)
1121 (fn pats =>
1122 case pats of
1123 [] => ()
1124 | _ => (write "\tIndexIgnore";
1125 app (fn pat => (write " "; write pat)) pats;
1126 write "\n"))
1127
1128 val () = Env.action_one "set_indexOptions"
1129 ("options", Env.list autoindex_option)
1130 (fn opts =>
1131 case opts of
1132 [] => ()
1133 | _ => (write "\tIndexOptions";
1134 app (fn (opt, arg) =>
1135 (write " +";
1136 write opt;
1137 Option.app (fn arg =>
1138 (write "="; write arg)) arg)) opts;
1139 write "\n"))
1140
1141 val () = Env.action_one "unset_indexOptions"
1142 ("options", Env.list autoindex_option)
1143 (fn opts =>
1144 case opts of
1145 [] => ()
1146 | _ => (write "\tIndexOptions";
1147 app (fn (opt, _) =>
1148 (write " -";
1149 write opt)) opts;
1150 write "\n"))
1151
1152 val () = Env.action_one "headerName"
1153 ("name", Env.string)
1154 (fn name => (write "\tHeaderName ";
1155 write name;
1156 write "\n"))
1157
1158 val () = Env.action_one "readmeName"
1159 ("name", Env.string)
1160 (fn name => (write "\tReadmeName ";
1161 write name;
1162 write "\n"))
1163
1164 val () = Env.action_two "setEnv"
1165 ("key", Env.string, "value", Env.string)
1166 (fn (key, value) => (write "\tSetEnv \"";
1167 write key;
1168 write "\" \"";
1169 write (String.translate (fn #"\"" => "\\\""
1170 | ch => str ch) value);
1171 write "\"\n"))
1172
1173 val () = Env.action_three "setEnvIf"
1174 ("attribute", Env.string, "match", Env.string, "env_variables", Env.list Env.string)
1175 (fn (attribute, match, envs) =>
1176 case envs of
1177 [] => (print "WARNING: Skipped setEnvIf, no environment variables provided.\n")
1178 | envs =>
1179 (write "\tSetEnvIf\t\"";
1180 write attribute;
1181 write "\"\t\"";
1182 write match;
1183 write "\"";
1184 app (fn env => (write "\t"; write env)) envs;
1185 write "\n"))
1186
1187 val () = Env.action_three "setEnvIfNoCase"
1188 ("attribute", Env.string, "match", Env.string, "env_variables", Env.list Env.string)
1189 (fn (attribute, match, envs) =>
1190 case envs of
1191 [] => (print "WARNING: Skipped setEnvIfNoCase, no environment variables provided.\n")
1192 | envs =>
1193 (write "\tSetEnvIfNoCase\t\"";
1194 write attribute;
1195 write "\"\t\"";
1196 write match;
1197 write "\"";
1198 app (fn env => (write "\t"; write env)) envs;
1199 write "\n"))
1200
1201 val () = Env.action_one "diskCache"
1202 ("path", Env.string)
1203 (fn path => (write "\tCacheEnable disk \"";
1204 write path;
1205 write "\"\n"))
1206
1207 val () = Env.action_one "phpVersion"
1208 ("version", php_version)
1209 (fn version => (write "\tAddHandler fcgid-script .php .phtml\n";
1210 (* FIXME: only set kerberos wrapper of waklog is on *)
1211 (* won't be trivial, since we don't have access to node here *)
1212 write "\n\tFcgidWrapper \"";
1213 write (Config.Apache.fastCgiWrapperOf (Domain.getUser ()));
1214 write " ";
1215 write (Config.Apache.phpFastCgiWrapper version);
1216 write "\" .php .phtml\n"))
1217
1218 val () = Env.action_two "addType"
1219 ("mime type", Env.string, "extension", Env.string)
1220 (fn (mt, ext) => (write "\tAddType ";
1221 write mt;
1222 write " ";
1223 write ext;
1224 write "\n"))
1225
1226 val filter = fn (EVar "includes", _) => SOME "INCLUDES"
1227 | (EVar "deflate", _) => SOME "DEFLATE"
1228 | _ => NONE
1229
1230 val () = Env.action_two "addOutputFilter"
1231 ("filters", Env.list filter, "extensions", Env.list Env.string)
1232 (fn (f :: fs, exts as (_ :: _)) =>
1233 (write "\tAddOutputFilter ";
1234 write f;
1235 app (fn f => (write ";"; write f)) fs;
1236 app (fn ext => (write " "; write ext)) exts;
1237 write "\n")
1238 | _ => ())
1239
1240 val () = Env.action_one "sslCertificateChainFile"
1241 ("ssl_cacert_path", Env.string)
1242 (fn cacert =>
1243 if !sslEnabled then
1244 (write "\tSSLCertificateChainFile \"";
1245 write cacert;
1246 write "\"\n")
1247 else
1248 print "WARNING: Skipped sslCertificateChainFile because this isn't an SSL vhost.\n")
1249
1250 val () = Domain.registerResetLocal (fn () =>
1251 ignore (OS.Process.system (Config.rm ^ " -rf " ^ Config.Apache.confDir ^ "/*")))
1252
1253 val () = Domain.registerDescriber (Domain.considerAll
1254 [Domain.Extension {extension = "vhost",
1255 heading = fn host => "Web vhost " ^ host ^ ":"},
1256 Domain.Extension {extension = "vhost_ssl",
1257 heading = fn host => "SSL web vhost " ^ host ^ ":"}])
1258
1259 val () = Env.action_one "allowEncodedSlashes"
1260 ("enable", Env.bool)
1261 (fn enable => (write "\tAllowEncodedSlashes ";
1262 write (if enable then "NoDecode" else "Off");
1263 write "\n"))
1264 val () = Env.action_none "testNoHtaccess"
1265 (fn path => write "\tAllowOverride None\n")
1266
1267 fun writeWaklogUserFile () =
1268 let
1269 val users = Acl.users ()
1270 val outf = TextIO.openOut Config.Apache.waklogUserFile
1271 in
1272 app (fn user => if String.isSuffix "_admin" user then
1273 ()
1274 else
1275 (TextIO.output (outf, "<Location /~");
1276 TextIO.output (outf, user);
1277 TextIO.output (outf, ">\n\tWaklogEnabled on\n\tWaklogLocationPrincipal ");
1278 TextIO.output (outf, user);
1279 TextIO.output (outf, "/daemon@HCOOP.NET /etc/keytabs/user.daemon/");
1280 TextIO.output (outf, user);
1281 TextIO.output (outf, "\n</Location>\n\n"))) users;
1282 TextIO.closeOut outf
1283 end
1284
1285 val () = Domain.registerOnUsersChange writeWaklogUserFile
1286
1287 end
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