apache: update rewriteLogLevel for Apache 2.4
[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 | _ => NONE
477
478 fun vhostBody (env, makeFullHost) =
479 let
480 val places = Env.env (Env.list webPlace) (env, "WebPlaces")
481
482 val ssl = Env.env ssl (env, "SSL")
483 val user = Env.env Env.string (env, "User")
484 val group = Env.env Env.string (env, "Group")
485 val docroot = Env.env Env.string (env, "DocumentRoot")
486 val sadmin = Env.env Env.string (env, "ServerAdmin")
487 val suexec = Env.env Env.bool (env, "SuExec")
488 val php = Env.env php_version (env, "PhpVersion")
489
490 val fullHost = makeFullHost (Domain.currentDomain ())
491 val vhostId = fullHost ^ (if Option.isSome ssl then ".ssl" else "")
492 val confFile = fullHost ^ (if Option.isSome ssl then ".vhost_ssl" else ".vhost")
493 in
494 currentVhost := fullHost;
495 currentVhostId := vhostId;
496 sslEnabled := Option.isSome ssl;
497
498 rewriteEnabled := false;
499 localRewriteEnabled := false;
500 expiresEnabled := false;
501 localExpiresEnabled := false;
502 vhostFiles := map (fn (node, ip, ipv6) =>
503 let
504 val file = Domain.domainFile {node = node,
505 name = confFile}
506
507 val ld = logDir {user = user, node = node, vhostId = vhostId}
508 in
509 TextIO.output (file, "# Owner: ");
510 TextIO.output (file, user);
511 TextIO.output (file, "\n<VirtualHost ");
512
513 TextIO.output (file, ip);
514 TextIO.output (file, ":");
515 TextIO.output (file, case ssl of
516 SOME _ => "443"
517 | NONE => "80");
518
519 TextIO.output (file, " [");
520 TextIO.output (file, ipv6);
521 TextIO.output (file, "]");
522 TextIO.output (file, ":");
523 TextIO.output (file, case ssl of
524 SOME _ => "443"
525 | NONE => "80");
526
527 TextIO.output (file, ">\n");
528 TextIO.output (file, "\tErrorLog ");
529 TextIO.output (file, ld);
530 TextIO.output (file, "/error.log\n\tCustomLog ");
531 TextIO.output (file, ld);
532 TextIO.output (file, "/access.log combined\n");
533 TextIO.output (file, "\tServerName ");
534 TextIO.output (file, fullHost);
535 app
536 (fn dom => (TextIO.output (file, "\n\tServerAlias ");
537 TextIO.output (file, makeFullHost dom)))
538 (Domain.currentAliasDomains ());
539
540 if suexec then
541 if isVersion1 node then
542 (TextIO.output (file, "\n\tUser ");
543 TextIO.output (file, user);
544 TextIO.output (file, "\n\tGroup ");
545 TextIO.output (file, group))
546 else
547 (TextIO.output (file, "\n\tSuexecUserGroup ");
548 TextIO.output (file, user);
549 TextIO.output (file, " ");
550 TextIO.output (file, group))
551 else
552 ();
553
554 if isWaklog node then
555 (TextIO.output (file, "\n\tWaklogEnabled on\n\tWaklogLocationPrincipal ");
556 TextIO.output (file, user);
557 TextIO.output (file, "/daemon@HCOOP.NET /etc/keytabs/user.daemon/");
558 TextIO.output (file, user))
559 else
560 ();
561
562 TextIO.output (file, "\n\tDAVLockDB /var/lock/apache2/dav/");
563 TextIO.output (file, user);
564 TextIO.output (file, "/DAVLock");
565
566 TextIO.output (file, "\n\tAddHandler fcgid-script .php .phtml");
567 map (fn ext => (TextIO.output (file, "\n\tFcgidWrapper \"");
568 (* kerberos wrapper, simulates waklog+mod_cgi *)
569 if isWaklog node then
570 (TextIO.output (file, Config.Apache.fastCgiWrapperOf user);
571 TextIO.output (file, " "))
572 else
573 ();
574 TextIO.output (file, Config.Apache.phpFastCgiWrapper php);
575 TextIO.output (file, "\" ");
576 TextIO.output (file, ext)))
577 [".php", ".phtml"];
578 (ld, file)
579 end)
580 places;
581 write "\n\tDocumentRoot ";
582 write docroot;
583 write "\n\tServerAdmin ";
584 write sadmin;
585 case ssl of
586 SOME cert =>
587 (write "\n\tSSLEngine on\n\tSSLCertificateFile ";
588 write cert)
589 | NONE => ();
590 write "\n";
591 !pre {user = user, nodes = map #1 places, id = vhostId, hostname = fullHost};
592 app (fn dom => !aliaser (makeFullHost dom)) (Domain.currentAliasDomains ())
593 end
594
595 val () = Env.containerV_one "vhost"
596 ("host", Env.string)
597 (fn (env, host) => vhostBody (env, fn dom => host ^ "." ^ dom),
598 vhostPost)
599
600 val () = Env.containerV_none "vhostDefault"
601 (fn env => vhostBody (env, fn dom => dom),
602 vhostPost)
603
604 val inLocal = ref false
605
606 val () = Env.container_one "location"
607 ("prefix", Env.string)
608 (fn prefix =>
609 (write "\t<Location ";
610 write prefix;
611 write ">\n";
612 inLocal := true),
613 fn () => (write "\t</Location>\n";
614 inLocal := false;
615 localRewriteEnabled := false;
616 localExpiresEnabled := false))
617
618 val () = Env.container_one "directory"
619 ("directory", Env.string)
620 (fn directory =>
621 (write "\t<Directory ";
622 write directory;
623 write ">\n";
624 inLocal := true),
625 fn () => (write "\t</Directory>\n";
626 inLocal := false;
627 localRewriteEnabled := false;
628 localExpiresEnabled := false))
629
630 val () = Env.container_one "filesMatch"
631 ("regexp", Env.string)
632 (fn prefix =>
633 (write "\t<FilesMatch \"";
634 write prefix;
635 write "\">\n"),
636 fn () => (write "\t</FilesMatch>\n";
637 localRewriteEnabled := false;
638 localExpiresEnabled := false))
639
640 fun checkRewrite () =
641 if !inLocal then
642 if !localRewriteEnabled then
643 ()
644 else
645 (write "\tRewriteEngine on\n";
646 localRewriteEnabled := true)
647 else if !rewriteEnabled then
648 ()
649 else
650 (write "\tRewriteEngine on\n";
651 rewriteEnabled := true)
652
653 fun checkExpires () =
654 if !inLocal then
655 if !localExpiresEnabled then
656 ()
657 else
658 (write "\tExpiresActive on\n";
659 localExpiresEnabled := true)
660 else if !expiresEnabled then
661 ()
662 else
663 (write "\tExpiresActive on\n";
664 expiresEnabled := true)
665
666 val () = Env.action_three "localProxyRewrite"
667 ("from", Env.string, "to", Env.string, "port", Env.int)
668 (fn (from, to, port) =>
669 (checkRewrite ();
670 write "\tRewriteRule\t\"";
671 write from;
672 write "\"\thttp://localhost:";
673 write (Int.toString port);
674 write "/";
675 write to;
676 write " [P]\n"))
677
678 val () = Env.action_four "expiresByType"
679 ("mime", Env.string, "base", interval_base, "num", Env.int, "inter", interval)
680 (fn (mime, base, num, inter) =>
681 (checkExpires ();
682 write "\tExpiresByType\t\"";
683 write mime;
684 write "\"\t\"";
685 write base;
686 write " plus ";
687 if num < 0 then
688 (write "-";
689 write (Int.toString (~num)))
690 else
691 write (Int.toString num);
692 write " ";
693 write inter;
694 write "\"\n"))
695
696 val () = Env.action_two "proxyPass"
697 ("from", Env.string, "to", Env.string)
698 (fn (from, to) =>
699 (write "\tProxyPass\t";
700 write from;
701 write "\t";
702 write to;
703 write "\tretry=0\n"))
704
705 val () = Env.action_two "proxyPassReverse"
706 ("from", Env.string, "to", Env.string)
707 (fn (from, to) =>
708 (write "\tProxyPassReverse\t";
709 write from;
710 write "\t";
711 write to;
712 write "\n"))
713
714 val () = Env.action_one "proxyPreserveHost"
715 ("enable", Env.bool)
716 (fn (enable) =>
717 (write "\tProxyPreserveHost\t";
718 if enable then write "On" else write "Off";
719 write "\n"))
720
721 val () = Env.action_three "rewriteRule"
722 ("from", Env.string, "to", Env.string, "flags", Env.list flag)
723 (fn (from, to, flags) =>
724 (checkRewrite ();
725 write "\tRewriteRule\t\"";
726 write from;
727 write "\"\t\"";
728 write to;
729 write "\"";
730 case flags of
731 [] => ()
732 | flag::rest => (write " [";
733 write flag;
734 app (fn flag => (write ",";
735 write flag)) rest;
736 write "]");
737 write "\n"))
738
739 val () = Env.action_three "rewriteCond"
740 ("test", Env.string, "pattern", Env.string, "flags", Env.list cond_flag)
741 (fn (from, to, flags) =>
742 (checkRewrite ();
743 write "\tRewriteCond\t\"";
744 write from;
745 write "\"\t\"";
746 write to;
747 write "\"";
748 case flags of
749 [] => ()
750 | flag::rest => (write " [";
751 write flag;
752 app (fn flag => (write ",";
753 write flag)) rest;
754 write "]");
755 write "\n"))
756
757 val () = Env.action_one "rewriteBase"
758 ("prefix", Env.string)
759 (fn prefix =>
760 (checkRewrite ();
761 write "\tRewriteBase\t\"";
762 write prefix;
763 write "\"\n"))
764
765 val _ = Env.type_one "mod_rewrite_trace_level"
766 Env.int
767 (fn n => n > 0 andalso n <= 8)
768
769 val () = Env.action_one "rewriteLogLevel"
770 ("level", Env.int)
771 (fn 0 =>
772 (checkRewrite ();
773 write "\tLogLevel rewrite:warn\n")
774 | level =>
775 (checkRewrite ();
776 write "\tLogLevel rewrite:trace";
777 write (Int.toString level);
778 write "\n"))
779
780 val () = Env.action_two "alias"
781 ("from", Env.string, "to", Env.string)
782 (fn (from, to) =>
783 (write "\tAlias\t";
784 write from;
785 write " ";
786 write to;
787 write "\n"))
788
789 val () = Env.action_two "scriptAlias"
790 ("from", Env.string, "to", Env.string)
791 (fn (from, to) =>
792 (write "\tScriptAlias\t";
793 write from;
794 write " ";
795 write to;
796 write "\n"))
797
798 val () = Env.action_two "fastScriptAlias"
799 ("from", Env.string, "to", Env.string)
800 (fn (from, to) =>
801 let
802 (* mod_fcgid + kerberos limit this to working with
803 individual fcgi programs. assume the target path is a
804 file and any trailing `/' is just aliasing
805 syntax. Directory+File on the script is used to
806 activate fcgid instead of Location on the alias to
807 limit effects (alias+location also match in inverse
808 order causing pernicious side-effects *)
809 val fcgi_path = if String.sub (to, size to - 1) = #"/"
810 then
811 String.substring (to, 0, size to - 1)
812 else
813 to
814 val fcgi_dir = OS.Path.dir fcgi_path
815 val fcgi_file = OS.Path.file fcgi_path
816 in
817 write "\tAlias\t"; write from; write " "; write to; write "\n";
818
819 write "\t<Directory "; write fcgi_dir; write ">\n";
820 write "\t<Files "; write fcgi_file; write ">\n";
821 write "\tSetHandler fcgid-script\n";
822
823 (* FIXME: only set kerberos wrapper of waklog is on *)
824 (* won't be trivial, since we don't have access to node here *)
825 write "\tFcgidWrapper \"";
826 write (Config.Apache.fastCgiWrapperOf (Domain.getUser ()));
827 write " ";
828 write fcgi_path;
829 write "\"\n";
830
831 write "\t</Files>\n\t</Directory>\n"
832 end)
833
834 val () = Env.action_two "errorDocument"
835 ("code", Env.string, "handler", Env.string)
836 (fn (code, handler) =>
837 let
838 val hasSpaces = CharVector.exists Char.isSpace handler
839
840 fun maybeQuote () =
841 if hasSpaces then
842 write "\""
843 else
844 ()
845 in
846 write "\tErrorDocument\t";
847 write code;
848 write " ";
849 maybeQuote ();
850 write handler;
851 maybeQuote ();
852 write "\n"
853 end)
854
855 val () = Env.action_one "options"
856 ("options", Env.list apache_option)
857 (fn opts =>
858 case opts of
859 [] => ()
860 | _ => (write "\tOptions";
861 app (fn opt => (write " "; write opt)) opts;
862 write "\n"))
863
864 val () = Env.action_one "set_options"
865 ("options", Env.list apache_option)
866 (fn opts =>
867 case opts of
868 [] => ()
869 | _ => (write "\tOptions";
870 app (fn opt => (write " +"; write opt)) opts;
871 write "\n"))
872
873 val () = Env.action_one "unset_options"
874 ("options", Env.list apache_option)
875 (fn opts =>
876 case opts of
877 [] => ()
878 | _ => (write "\tOptions";
879 app (fn opt => (write " -"; write opt)) opts;
880 write "\n"))
881
882 val () = Env.action_one "cgiExtension"
883 ("extension", Env.string)
884 (fn ext => (write "\tAddHandler cgi-script ";
885 write ext;
886 write "\n"))
887
888 val () = Env.action_one "directoryIndex"
889 ("filenames", Env.list Env.string)
890 (fn opts =>
891 (write "\tDirectoryIndex";
892 app (fn opt => (write " "; write opt)) opts;
893 write "\n"))
894
895 val () = Env.action_one "directorySlash"
896 ("enable", Env.bool)
897 (fn enable =>
898 (write "\tDirectorySlash ";
899 if enable then write "On" else write "Off";
900 write "\n"))
901
902 val () = Env.action_one "serverAliasHost"
903 ("host", Env.string)
904 (fn host =>
905 (write "\tServerAlias ";
906 write host;
907 write "\n";
908 !aliaser host))
909
910 val () = Env.action_one "serverAlias"
911 ("host", Env.string)
912 (fn host =>
913 (app
914 (fn dom =>
915 let
916 val full = host ^ "." ^ dom
917 in
918 write "\tServerAlias ";
919 write full;
920 write "\n";
921 !aliaser full
922 end)
923 (Domain.currentDomains ())))
924
925 val () = Env.action_none "serverAliasDefault"
926 (fn () =>
927 (app
928 (fn dom =>
929 (write "\tServerAlias ";
930 write dom;
931 write "\n";
932 !aliaser dom))
933 (Domain.currentDomains ())))
934
935 val authType = fn (EVar "basic", _) => SOME "basic"
936 | (EVar "digest", _) => SOME "digest"
937 | (EVar "kerberos", _) => SOME "kerberos"
938 | _ => NONE
939
940 fun allowAuthType "kerberos" = !sslEnabled
941 | allowAuthType _ = true
942
943 val () = Env.action_one "authType"
944 ("type", authType)
945 (fn ty =>
946 if allowAuthType ty then
947 (write "\tAuthType ";
948 write ty;
949 write "\n";
950 case ty of
951 "kerberos" =>
952 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"
953 | _ => ())
954 else
955 print "WARNING: Skipped Kerberos authType because this isn't an SSL vhost.\n")
956
957 val () = Env.action_one "authName"
958 ("name", Env.string)
959 (fn name =>
960 (write "\tAuthName \"";
961 write name;
962 write "\"\n"))
963
964 val () = Env.action_one "authUserFile"
965 ("file", Env.string)
966 (fn name =>
967 (write "\tAuthUserFile ";
968 write name;
969 write "\n"))
970
971 val () = Env.action_one "authGroupFile"
972 ("file", Env.string)
973 (fn name =>
974 (write "\tAuthGroupFile ";
975 write name;
976 write "\n"))
977
978 val () = Env.action_none "requireValidUser"
979 (fn () => write "\tRequire valid-user\n")
980
981 val () = Env.action_one "requireUser"
982 ("users", Env.list Env.string)
983 (fn names =>
984 case names of
985 [] => ()
986 | _ => (write "\tRequire user";
987 app (fn name => (write " "; write name)) names;
988 write "\n"))
989
990 val () = Env.action_one "requireGroup"
991 ("groups", Env.list Env.string)
992 (fn names =>
993 case names of
994 [] => ()
995 | _ => (write "\tRequire group";
996 app (fn name => (write " "; write name)) names;
997 write "\n"))
998
999 val () = Env.action_none "orderAllowDeny"
1000 (fn () => write "\tOrder allow,deny\n")
1001
1002 val () = Env.action_none "orderDenyAllow"
1003 (fn () => write "\tOrder deny,allow\n")
1004
1005 val () = Env.action_none "allowFromAll"
1006 (fn () => write "\tAllow from all\n")
1007
1008 val () = Env.action_one "allowFrom"
1009 ("entries", Env.list Env.string)
1010 (fn names =>
1011 case names of
1012 [] => ()
1013 | _ => (write "\tAllow from";
1014 app (fn name => (write " "; write name)) names;
1015 write "\n"))
1016
1017 val () = Env.action_none "denyFromAll"
1018 (fn () => write "\tDeny from all\n")
1019
1020 val () = Env.action_one "denyFrom"
1021 ("entries", Env.list Env.string)
1022 (fn names =>
1023 case names of
1024 [] => ()
1025 | _ => (write "\tDeny from";
1026 app (fn name => (write " "; write name)) names;
1027 write "\n"))
1028
1029 val () = Env.action_none "satisfyAll"
1030 (fn () => write "\tSatisfy all\n")
1031
1032 val () = Env.action_none "satisfyAny"
1033 (fn () => write "\tSatisfy any\n")
1034
1035 val () = Env.action_one "forceType"
1036 ("type", Env.string)
1037 (fn ty => (write "\tForceType ";
1038 write ty;
1039 write "\n"))
1040
1041 val () = Env.action_none "forceTypeOff"
1042 (fn () => write "\tForceType None\n")
1043
1044 val () = Env.action_two "action"
1045 ("what", Env.string, "how", Env.string)
1046 (fn (what, how) => (write "\tAction ";
1047 write what;
1048 write " ";
1049 write how;
1050 write "\n"))
1051
1052 val () = Env.action_one "addDefaultCharset"
1053 ("charset", Env.string)
1054 (fn ty => (write "\tAddDefaultCharset ";
1055 write ty;
1056 write "\n"))
1057
1058 (*val () = Env.action_one "davSvn"
1059 ("path", Env.string)
1060 (fn path => (write "\tDAV svn\n\tSVNPath ";
1061 write path;
1062 write "\n"))
1063
1064 val () = Env.action_one "authzSvnAccessFile"
1065 ("path", Env.string)
1066 (fn path => (write "\tAuthzSVNAccessFile ";
1067 write path;
1068 write "\n"))*)
1069
1070 val () = Env.action_none "davFilesystem"
1071 (fn path => write "\tDAV filesystem\n")
1072
1073 val () = Env.action_two "addDescription"
1074 ("description", Env.string, "patterns", Env.list Env.string)
1075 (fn (desc, pats) =>
1076 case pats of
1077 [] => ()
1078 | _ => (write "\tAddDescription \"";
1079 write (String.toString desc);
1080 write "\"";
1081 app (fn pat => (write " "; write pat)) pats;
1082 write "\n"))
1083
1084 val () = Env.action_two "addIcon"
1085 ("icon", Env.string, "patterns", Env.list Env.string)
1086 (fn (icon, pats) =>
1087 case pats of
1088 [] => ()
1089 | _ => (write "\tAddIcon \"";
1090 write icon;
1091 write "\"";
1092 app (fn pat => (write " "; write pat)) pats;
1093 write "\n"))
1094
1095 val () = Env.action_one "indexOptions"
1096 ("options", Env.list autoindex_option)
1097 (fn opts =>
1098 case opts of
1099 [] => ()
1100 | _ => (write "\tIndexOptions";
1101 app (fn (opt, arg) =>
1102 (write " ";
1103 write opt;
1104 Option.app (fn arg =>
1105 (write "="; write arg)) arg)) opts;
1106 write "\n"))
1107
1108 val () = Env.action_one "indexIgnore"
1109 ("patterns", Env.list Env.string)
1110 (fn pats =>
1111 case pats of
1112 [] => ()
1113 | _ => (write "\tIndexIgnore";
1114 app (fn pat => (write " "; write pat)) pats;
1115 write "\n"))
1116
1117 val () = Env.action_one "set_indexOptions"
1118 ("options", Env.list autoindex_option)
1119 (fn opts =>
1120 case opts of
1121 [] => ()
1122 | _ => (write "\tIndexOptions";
1123 app (fn (opt, arg) =>
1124 (write " +";
1125 write opt;
1126 Option.app (fn arg =>
1127 (write "="; write arg)) arg)) opts;
1128 write "\n"))
1129
1130 val () = Env.action_one "unset_indexOptions"
1131 ("options", Env.list autoindex_option)
1132 (fn opts =>
1133 case opts of
1134 [] => ()
1135 | _ => (write "\tIndexOptions";
1136 app (fn (opt, _) =>
1137 (write " -";
1138 write opt)) opts;
1139 write "\n"))
1140
1141 val () = Env.action_one "headerName"
1142 ("name", Env.string)
1143 (fn name => (write "\tHeaderName ";
1144 write name;
1145 write "\n"))
1146
1147 val () = Env.action_one "readmeName"
1148 ("name", Env.string)
1149 (fn name => (write "\tReadmeName ";
1150 write name;
1151 write "\n"))
1152
1153 val () = Env.action_two "setEnv"
1154 ("key", Env.string, "value", Env.string)
1155 (fn (key, value) => (write "\tSetEnv \"";
1156 write key;
1157 write "\" \"";
1158 write (String.translate (fn #"\"" => "\\\""
1159 | ch => str ch) value);
1160 write "\"\n"))
1161
1162 val () = Env.action_three "setEnvIf"
1163 ("attribute", Env.string, "match", Env.string, "env_variables", Env.list Env.string)
1164 (fn (attribute, match, envs) =>
1165 case envs of
1166 [] => (print "WARNING: Skipped setEnvIf, no environment variables provided.\n")
1167 | envs =>
1168 (write "\tSetEnvIf\t\"";
1169 write attribute;
1170 write "\"\t\"";
1171 write match;
1172 write "\"";
1173 app (fn env => (write "\t"; write env)) envs;
1174 write "\n"))
1175
1176 val () = Env.action_three "setEnvIfNoCase"
1177 ("attribute", Env.string, "match", Env.string, "env_variables", Env.list Env.string)
1178 (fn (attribute, match, envs) =>
1179 case envs of
1180 [] => (print "WARNING: Skipped setEnvIfNoCase, no environment variables provided.\n")
1181 | envs =>
1182 (write "\tSetEnvIfNoCase\t\"";
1183 write attribute;
1184 write "\"\t\"";
1185 write match;
1186 write "\"";
1187 app (fn env => (write "\t"; write env)) envs;
1188 write "\n"))
1189
1190 val () = Env.action_one "diskCache"
1191 ("path", Env.string)
1192 (fn path => (write "\tCacheEnable disk \"";
1193 write path;
1194 write "\"\n"))
1195
1196 val () = Env.action_one "phpVersion"
1197 ("version", php_version)
1198 (fn version => (write "\tAddHandler fcgid-script .php .phtml\n";
1199 (* FIXME: only set kerberos wrapper of waklog is on *)
1200 (* won't be trivial, since we don't have access to node here *)
1201 write "\n\tFcgidWrapper \"";
1202 write (Config.Apache.fastCgiWrapperOf (Domain.getUser ()));
1203 write " ";
1204 write (Config.Apache.phpFastCgiWrapper version);
1205 write "\" .php .phtml\n"))
1206
1207 val () = Env.action_two "addType"
1208 ("mime type", Env.string, "extension", Env.string)
1209 (fn (mt, ext) => (write "\tAddType ";
1210 write mt;
1211 write " ";
1212 write ext;
1213 write "\n"))
1214
1215 val filter = fn (EVar "includes", _) => SOME "INCLUDES"
1216 | (EVar "deflate", _) => SOME "DEFLATE"
1217 | _ => NONE
1218
1219 val () = Env.action_two "addOutputFilter"
1220 ("filters", Env.list filter, "extensions", Env.list Env.string)
1221 (fn (f :: fs, exts as (_ :: _)) =>
1222 (write "\tAddOutputFilter ";
1223 write f;
1224 app (fn f => (write ";"; write f)) fs;
1225 app (fn ext => (write " "; write ext)) exts;
1226 write "\n")
1227 | _ => ())
1228
1229 val () = Env.action_one "sslCertificateChainFile"
1230 ("ssl_cacert_path", Env.string)
1231 (fn cacert =>
1232 if !sslEnabled then
1233 (write "\tSSLCertificateChainFile \"";
1234 write cacert;
1235 write "\"\n")
1236 else
1237 print "WARNING: Skipped sslCertificateChainFile because this isn't an SSL vhost.\n")
1238
1239 val () = Domain.registerResetLocal (fn () =>
1240 ignore (OS.Process.system (Config.rm ^ " -rf " ^ Config.Apache.confDir ^ "/*")))
1241
1242 val () = Domain.registerDescriber (Domain.considerAll
1243 [Domain.Extension {extension = "vhost",
1244 heading = fn host => "Web vhost " ^ host ^ ":"},
1245 Domain.Extension {extension = "vhost_ssl",
1246 heading = fn host => "SSL web vhost " ^ host ^ ":"}])
1247
1248 val () = Env.action_one "allowEncodedSlashes"
1249 ("enable", Env.bool)
1250 (fn enable => (write "\tAllowEncodedSlashes ";
1251 write (if enable then "NoDecode" else "Off");
1252 write "\n"))
1253 val () = Env.action_none "testNoHtaccess"
1254 (fn path => write "\tAllowOverride None\n")
1255
1256 fun writeWaklogUserFile () =
1257 let
1258 val users = Acl.users ()
1259 val outf = TextIO.openOut Config.Apache.waklogUserFile
1260 in
1261 app (fn user => if String.isSuffix "_admin" user then
1262 ()
1263 else
1264 (TextIO.output (outf, "<Location /~");
1265 TextIO.output (outf, user);
1266 TextIO.output (outf, ">\n\tWaklogEnabled on\n\tWaklogLocationPrincipal ");
1267 TextIO.output (outf, user);
1268 TextIO.output (outf, "/daemon@HCOOP.NET /etc/keytabs/user.daemon/");
1269 TextIO.output (outf, user);
1270 TextIO.output (outf, "\n</Location>\n\n"))) users;
1271 TextIO.closeOut outf
1272 end
1273
1274 val () = Domain.registerOnUsersChange writeWaklogUserFile
1275
1276 end