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[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 | (EVar "php80", _) => SOME 80
479 | _ => NONE
480
481 fun vhostBody (env, makeFullHost) =
482 let
483 val places = Env.env (Env.list webPlace) (env, "WebPlaces")
484
485 val ssl = Env.env ssl (env, "SSL")
486 val user = Env.env Env.string (env, "User")
487 val group = Env.env Env.string (env, "Group")
488 val docroot = Env.env Env.string (env, "DocumentRoot")
489 val sadmin = Env.env Env.string (env, "ServerAdmin")
490 val suexec = Env.env Env.bool (env, "SuExec")
491 val php = Env.env php_version (env, "PhpVersion")
492
493 val fullHost = makeFullHost (Domain.currentDomain ())
494 val vhostId = fullHost ^ (if Option.isSome ssl then ".ssl" else "")
495 val confFile = fullHost ^ (if Option.isSome ssl then ".vhost_ssl" else ".vhost")
496 in
497 currentVhost := fullHost;
498 currentVhostId := vhostId;
499 sslEnabled := Option.isSome ssl;
500
501 rewriteEnabled := false;
502 localRewriteEnabled := false;
503 expiresEnabled := false;
504 localExpiresEnabled := false;
505 vhostFiles := map (fn (node, ip, ipv6) =>
506 let
507 val file = Domain.domainFile {node = node,
508 name = confFile}
509
510 val ld = logDir {user = user, node = node, vhostId = vhostId}
511 in
512 TextIO.output (file, "# Owner: ");
513 TextIO.output (file, user);
514 TextIO.output (file, "\n<VirtualHost ");
515
516 TextIO.output (file, ip);
517 TextIO.output (file, ":");
518 TextIO.output (file, case ssl of
519 SOME _ => "443"
520 | NONE => "80");
521
522 TextIO.output (file, " [");
523 TextIO.output (file, ipv6);
524 TextIO.output (file, "]");
525 TextIO.output (file, ":");
526 TextIO.output (file, case ssl of
527 SOME _ => "443"
528 | NONE => "80");
529
530 TextIO.output (file, ">\n");
531 TextIO.output (file, "\tErrorLog ");
532 TextIO.output (file, ld);
533 TextIO.output (file, "/error.log\n\tCustomLog ");
534 TextIO.output (file, ld);
535 TextIO.output (file, "/access.log combined\n");
536 TextIO.output (file, "\tServerName ");
537 TextIO.output (file, fullHost);
538 app
539 (fn dom => (TextIO.output (file, "\n\tServerAlias ");
540 TextIO.output (file, makeFullHost dom)))
541 (Domain.currentAliasDomains ());
542
543 if suexec then
544 if isVersion1 node then
545 (TextIO.output (file, "\n\tUser ");
546 TextIO.output (file, user);
547 TextIO.output (file, "\n\tGroup ");
548 TextIO.output (file, group))
549 else
550 (TextIO.output (file, "\n\tSuexecUserGroup ");
551 TextIO.output (file, user);
552 TextIO.output (file, " ");
553 TextIO.output (file, group))
554 else
555 ();
556
557 if isWaklog node then
558 (TextIO.output (file, "\n\tWaklogEnabled on\n\tWaklogLocationPrincipal ");
559 TextIO.output (file, user);
560 TextIO.output (file, "/daemon@HCOOP.NET /etc/keytabs/user.daemon/");
561 TextIO.output (file, user))
562 else
563 ();
564
565 TextIO.output (file, "\n\tDAVLockDB /var/local/domtool/apache2/dav/");
566 TextIO.output (file, user);
567 TextIO.output (file, "/DAVLock");
568
569 TextIO.output (file, "\n\tAddHandler fcgid-script .php .phtml");
570 map (fn ext => (TextIO.output (file, "\n\tFcgidWrapper \"");
571 (* kerberos wrapper, simulates waklog+mod_cgi *)
572 if isWaklog node then
573 (TextIO.output (file, Config.Apache.fastCgiWrapperOf user);
574 TextIO.output (file, " "))
575 else
576 ();
577 TextIO.output (file, Config.Apache.phpFastCgiWrapper php);
578 TextIO.output (file, "\" ");
579 TextIO.output (file, ext)))
580 [".php", ".phtml"];
581 (ld, file)
582 end)
583 places;
584 write "\n\tDocumentRoot ";
585 write docroot;
586 write "\n\tServerAdmin ";
587 write sadmin;
588 case ssl of
589 SOME cert =>
590 (write "\n\tSSLEngine on\n\tSSLCertificateFile ";
591 write cert)
592 | NONE => ();
593 write "\n";
594 !pre {user = user, nodes = map #1 places, id = vhostId, hostname = fullHost};
595 app (fn dom => !aliaser (makeFullHost dom)) (Domain.currentAliasDomains ())
596 end
597
598 val () = Env.containerV_one "vhost"
599 ("host", Env.string)
600 (fn (env, host) => vhostBody (env, fn dom => host ^ "." ^ dom),
601 vhostPost)
602
603 val () = Env.containerV_none "vhostDefault"
604 (fn env => vhostBody (env, fn dom => dom),
605 vhostPost)
606
607 val inLocal = ref false
608
609 val () = Env.container_one "location"
610 ("prefix", Env.string)
611 (fn prefix =>
612 (write "\t<Location ";
613 write prefix;
614 write ">\n";
615 inLocal := true),
616 fn () => (write "\t</Location>\n";
617 inLocal := false;
618 localRewriteEnabled := false;
619 localExpiresEnabled := false))
620
621 val () = Env.container_one "directory"
622 ("directory", Env.string)
623 (fn directory =>
624 (write "\t<Directory ";
625 write directory;
626 write ">\n";
627 inLocal := true),
628 fn () => (write "\t</Directory>\n";
629 inLocal := false;
630 localRewriteEnabled := false;
631 localExpiresEnabled := false))
632
633 val () = Env.container_one "filesMatch"
634 ("regexp", Env.string)
635 (fn prefix =>
636 (write "\t<FilesMatch \"";
637 write prefix;
638 write "\">\n"),
639 fn () => (write "\t</FilesMatch>\n";
640 localRewriteEnabled := false;
641 localExpiresEnabled := false))
642
643 fun checkRewrite () =
644 if !inLocal then
645 if !localRewriteEnabled then
646 ()
647 else
648 (write "\tRewriteEngine on\n";
649 localRewriteEnabled := true)
650 else if !rewriteEnabled then
651 ()
652 else
653 (write "\tRewriteEngine on\n";
654 rewriteEnabled := true)
655
656 fun checkExpires () =
657 if !inLocal then
658 if !localExpiresEnabled then
659 ()
660 else
661 (write "\tExpiresActive on\n";
662 localExpiresEnabled := true)
663 else if !expiresEnabled then
664 ()
665 else
666 (write "\tExpiresActive on\n";
667 expiresEnabled := true)
668
669 val () = Env.action_four "proxyRewrite"
670 ("from", Env.string, "to", Env.string, "tohost", Env.string, "flags", Env.list flag)
671 (fn (from, to, tohost, flags) =>
672 (checkRewrite ();
673 write "\tRewriteRule\t\"";
674 write from;
675 write "\"\t\"";
676 write tohost;
677 write "/"; (* ensure rewrite rule can't change port *)
678 write to;
679 write "\"";
680 write " [P";
681 case flags of
682 [] => ()
683 | flag::rest => (write ",";
684 write flag;
685 app (fn flag => (write ",";
686 write flag)) rest);
687
688 write "]\n"))
689
690 val () = Env.action_four "expiresByType"
691 ("mime", Env.string, "base", interval_base, "num", Env.int, "inter", interval)
692 (fn (mime, base, num, inter) =>
693 (checkExpires ();
694 write "\tExpiresByType\t\"";
695 write mime;
696 write "\"\t\"";
697 write base;
698 write " plus ";
699 if num < 0 then
700 (write "-";
701 write (Int.toString (~num)))
702 else
703 write (Int.toString num);
704 write " ";
705 write inter;
706 write "\"\n"))
707
708 val () = Env.action_two "proxyPass"
709 ("from", Env.string, "to", Env.string)
710 (fn (from, to) =>
711 (write "\tProxyPass\t";
712 write from;
713 write "\t";
714 write to;
715 write "\tretry=0\n"))
716
717 val () = Env.action_two "proxyPassReverse"
718 ("from", Env.string, "to", Env.string)
719 (fn (from, to) =>
720 (write "\tProxyPassReverse\t";
721 write from;
722 write "\t";
723 write to;
724 write "\n"))
725
726 val () = Env.action_one "proxyPreserveHost"
727 ("enable", Env.bool)
728 (fn (enable) =>
729 (write "\tProxyPreserveHost\t";
730 if enable then write "On" else write "Off";
731 write "\n"))
732
733 val () = Env.action_three "rewriteRule"
734 ("from", Env.string, "to", Env.string, "flags", Env.list flag)
735 (fn (from, to, flags) =>
736 (checkRewrite ();
737 write "\tRewriteRule\t\"";
738 write from;
739 write "\"\t\"";
740 write to;
741 write "\"";
742 case flags of
743 [] => ()
744 | flag::rest => (write " [";
745 write flag;
746 app (fn flag => (write ",";
747 write flag)) rest;
748 write "]");
749 write "\n"))
750
751 val () = Env.action_three "rewriteCond"
752 ("test", Env.string, "pattern", Env.string, "flags", Env.list cond_flag)
753 (fn (from, to, flags) =>
754 (checkRewrite ();
755 write "\tRewriteCond\t\"";
756 write from;
757 write "\"\t\"";
758 write to;
759 write "\"";
760 case flags of
761 [] => ()
762 | flag::rest => (write " [";
763 write flag;
764 app (fn flag => (write ",";
765 write flag)) rest;
766 write "]");
767 write "\n"))
768
769 val () = Env.action_one "rewriteBase"
770 ("prefix", Env.string)
771 (fn prefix =>
772 (checkRewrite ();
773 write "\tRewriteBase\t\"";
774 write prefix;
775 write "\"\n"))
776
777 val _ = Env.type_one "mod_rewrite_trace_level"
778 Env.int
779 (fn n => n > 0 andalso n <= 8)
780
781 val () = Env.action_one "rewriteLogLevel"
782 ("level", Env.int)
783 (fn 0 =>
784 (checkRewrite ();
785 write "\tLogLevel rewrite:warn\n")
786 | level =>
787 (checkRewrite ();
788 write "\tLogLevel rewrite:trace";
789 write (Int.toString level);
790 write "\n"))
791
792 val () = Env.action_two "alias"
793 ("from", Env.string, "to", Env.string)
794 (fn (from, to) =>
795 (write "\tAlias\t";
796 write from;
797 write " ";
798 write to;
799 write "\n"))
800
801 val () = Env.action_two "scriptAlias"
802 ("from", Env.string, "to", Env.string)
803 (fn (from, to) =>
804 (write "\tScriptAlias\t";
805 write from;
806 write " ";
807 write to;
808 write "\n"))
809
810 val () = Env.action_two "fastScriptAlias"
811 ("from", Env.string, "to", Env.string)
812 (fn (from, to) =>
813 let
814 (* mod_fcgid + kerberos limit this to working with
815 individual fcgi programs. assume the target path is a
816 file and any trailing `/' is just aliasing
817 syntax. Directory+File on the script is used to
818 activate fcgid instead of Location on the alias to
819 limit effects (alias+location also match in inverse
820 order causing pernicious side-effects *)
821 val fcgi_path = if String.sub (to, size to - 1) = #"/"
822 then
823 String.substring (to, 0, size to - 1)
824 else
825 to
826 val fcgi_dir = OS.Path.dir fcgi_path
827 val fcgi_file = OS.Path.file fcgi_path
828 in
829 write "\tAlias\t"; write from; write " "; write to; write "\n";
830
831 write "\t<Directory "; write fcgi_dir; write ">\n";
832 write "\t<Files "; write fcgi_file; write ">\n";
833 write "\tSetHandler fcgid-script\n";
834
835 (* FIXME: only set kerberos wrapper of waklog is on *)
836 (* won't be trivial, since we don't have access to node here *)
837 write "\tFcgidWrapper \"";
838 write (Config.Apache.fastCgiWrapperOf (Domain.getUser ()));
839 write " ";
840 write fcgi_path;
841 write "\"\n";
842
843 write "\t</Files>\n\t</Directory>\n"
844 end)
845
846 val () = Env.action_two "errorDocument"
847 ("code", Env.string, "handler", Env.string)
848 (fn (code, handler) =>
849 let
850 val hasSpaces = CharVector.exists Char.isSpace handler
851
852 fun maybeQuote () =
853 if hasSpaces then
854 write "\""
855 else
856 ()
857 in
858 write "\tErrorDocument\t";
859 write code;
860 write " ";
861 maybeQuote ();
862 write handler;
863 maybeQuote ();
864 write "\n"
865 end)
866
867 val () = Env.action_one "options"
868 ("options", Env.list apache_option)
869 (fn opts =>
870 case opts of
871 [] => ()
872 | _ => (write "\tOptions";
873 app (fn opt => (write " "; write opt)) opts;
874 write "\n"))
875
876 val () = Env.action_one "set_options"
877 ("options", Env.list apache_option)
878 (fn opts =>
879 case opts of
880 [] => ()
881 | _ => (write "\tOptions";
882 app (fn opt => (write " +"; write opt)) opts;
883 write "\n"))
884
885 val () = Env.action_one "unset_options"
886 ("options", Env.list apache_option)
887 (fn opts =>
888 case opts of
889 [] => ()
890 | _ => (write "\tOptions";
891 app (fn opt => (write " -"; write opt)) opts;
892 write "\n"))
893
894 val () = Env.action_one "cgiExtension"
895 ("extension", Env.string)
896 (fn ext => (write "\tAddHandler cgi-script ";
897 write ext;
898 write "\n"))
899
900 val () = Env.action_one "directoryIndex"
901 ("filenames", Env.list Env.string)
902 (fn opts =>
903 (write "\tDirectoryIndex";
904 app (fn opt => (write " "; write opt)) opts;
905 write "\n"))
906
907 val () = Env.action_one "directorySlash"
908 ("enable", Env.bool)
909 (fn enable =>
910 (write "\tDirectorySlash ";
911 if enable then write "On" else write "Off";
912 write "\n"))
913
914 val () = Env.action_one "serverAliasHost"
915 ("host", Env.string)
916 (fn host =>
917 (write "\tServerAlias ";
918 write host;
919 write "\n";
920 !aliaser host))
921
922 val () = Env.action_one "serverAlias"
923 ("host", Env.string)
924 (fn host =>
925 (app
926 (fn dom =>
927 let
928 val full = host ^ "." ^ dom
929 in
930 write "\tServerAlias ";
931 write full;
932 write "\n";
933 !aliaser full
934 end)
935 (Domain.currentDomains ())))
936
937 val () = Env.action_none "serverAliasDefault"
938 (fn () =>
939 (app
940 (fn dom =>
941 (write "\tServerAlias ";
942 write dom;
943 write "\n";
944 !aliaser dom))
945 (Domain.currentDomains ())))
946
947 val authType = fn (EVar "basic", _) => SOME "basic"
948 | (EVar "digest", _) => SOME "digest"
949 | (EVar "kerberos", _) => SOME "kerberos"
950 | _ => NONE
951
952 fun allowAuthType "kerberos" = !sslEnabled
953 | allowAuthType _ = true
954
955 val () = Env.action_one "authType"
956 ("type", authType)
957 (fn ty =>
958 if allowAuthType ty then
959 (write "\tAuthType ";
960 write ty;
961 write "\n";
962 case ty of
963 "kerberos" =>
964 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"
965 | _ => ())
966 else
967 print "WARNING: Skipped Kerberos authType because this isn't an SSL vhost.\n")
968
969 val () = Env.action_one "authName"
970 ("name", Env.string)
971 (fn name =>
972 (write "\tAuthName \"";
973 write name;
974 write "\"\n"))
975
976 val () = Env.action_one "authUserFile"
977 ("file", Env.string)
978 (fn name =>
979 (write "\tAuthUserFile ";
980 write name;
981 write "\n"))
982
983 val () = Env.action_one "authGroupFile"
984 ("file", Env.string)
985 (fn name =>
986 (write "\tAuthGroupFile ";
987 write name;
988 write "\n"))
989
990 val () = Env.action_none "requireValidUser"
991 (fn () => write "\tRequire valid-user\n")
992
993 val () = Env.action_one "requireUser"
994 ("users", Env.list Env.string)
995 (fn names =>
996 case names of
997 [] => ()
998 | _ => (write "\tRequire user";
999 app (fn name => (write " "; write name)) names;
1000 write "\n"))
1001
1002 val () = Env.action_one "requireGroup"
1003 ("groups", Env.list Env.string)
1004 (fn names =>
1005 case names of
1006 [] => ()
1007 | _ => (write "\tRequire group";
1008 app (fn name => (write " "; write name)) names;
1009 write "\n"))
1010
1011 val () = Env.action_none "orderAllowDeny"
1012 (fn () => write "\tOrder allow,deny\n")
1013
1014 val () = Env.action_none "orderDenyAllow"
1015 (fn () => write "\tOrder deny,allow\n")
1016
1017 val () = Env.action_none "allowFromAll"
1018 (fn () => write "\tAllow from all\n")
1019
1020 val () = Env.action_one "allowFrom"
1021 ("entries", Env.list Env.string)
1022 (fn names =>
1023 case names of
1024 [] => ()
1025 | _ => (write "\tAllow from";
1026 app (fn name => (write " "; write name)) names;
1027 write "\n"))
1028
1029 val () = Env.action_none "denyFromAll"
1030 (fn () => write "\tDeny from all\n")
1031
1032 val () = Env.action_one "denyFrom"
1033 ("entries", Env.list Env.string)
1034 (fn names =>
1035 case names of
1036 [] => ()
1037 | _ => (write "\tDeny from";
1038 app (fn name => (write " "; write name)) names;
1039 write "\n"))
1040
1041 val () = Env.action_none "satisfyAll"
1042 (fn () => write "\tSatisfy all\n")
1043
1044 val () = Env.action_none "satisfyAny"
1045 (fn () => write "\tSatisfy any\n")
1046
1047 val () = Env.action_one "forceType"
1048 ("type", Env.string)
1049 (fn ty => (write "\tForceType ";
1050 write ty;
1051 write "\n"))
1052
1053 val () = Env.action_none "forceTypeOff"
1054 (fn () => write "\tForceType None\n")
1055
1056 val () = Env.action_two "action"
1057 ("what", Env.string, "how", Env.string)
1058 (fn (what, how) => (write "\tAction ";
1059 write what;
1060 write " ";
1061 write how;
1062 write "\n"))
1063
1064 val () = Env.action_one "addDefaultCharset"
1065 ("charset", Env.string)
1066 (fn ty => (write "\tAddDefaultCharset ";
1067 write ty;
1068 write "\n"))
1069
1070 (*val () = Env.action_one "davSvn"
1071 ("path", Env.string)
1072 (fn path => (write "\tDAV svn\n\tSVNPath ";
1073 write path;
1074 write "\n"))
1075
1076 val () = Env.action_one "authzSvnAccessFile"
1077 ("path", Env.string)
1078 (fn path => (write "\tAuthzSVNAccessFile ";
1079 write path;
1080 write "\n"))*)
1081
1082 val () = Env.action_none "davFilesystem"
1083 (fn path => write "\tDAV filesystem\n")
1084
1085 val () = Env.action_two "addDescription"
1086 ("description", Env.string, "patterns", Env.list Env.string)
1087 (fn (desc, pats) =>
1088 case pats of
1089 [] => ()
1090 | _ => (write "\tAddDescription \"";
1091 write (String.toString desc);
1092 write "\"";
1093 app (fn pat => (write " "; write pat)) pats;
1094 write "\n"))
1095
1096 val () = Env.action_two "addIcon"
1097 ("icon", Env.string, "patterns", Env.list Env.string)
1098 (fn (icon, pats) =>
1099 case pats of
1100 [] => ()
1101 | _ => (write "\tAddIcon \"";
1102 write icon;
1103 write "\"";
1104 app (fn pat => (write " "; write pat)) pats;
1105 write "\n"))
1106
1107 val () = Env.action_one "indexOptions"
1108 ("options", Env.list autoindex_option)
1109 (fn opts =>
1110 case opts of
1111 [] => ()
1112 | _ => (write "\tIndexOptions";
1113 app (fn (opt, arg) =>
1114 (write " ";
1115 write opt;
1116 Option.app (fn arg =>
1117 (write "="; write arg)) arg)) opts;
1118 write "\n"))
1119
1120 val () = Env.action_one "indexIgnore"
1121 ("patterns", Env.list Env.string)
1122 (fn pats =>
1123 case pats of
1124 [] => ()
1125 | _ => (write "\tIndexIgnore";
1126 app (fn pat => (write " "; write pat)) pats;
1127 write "\n"))
1128
1129 val () = Env.action_one "set_indexOptions"
1130 ("options", Env.list autoindex_option)
1131 (fn opts =>
1132 case opts of
1133 [] => ()
1134 | _ => (write "\tIndexOptions";
1135 app (fn (opt, arg) =>
1136 (write " +";
1137 write opt;
1138 Option.app (fn arg =>
1139 (write "="; write arg)) arg)) opts;
1140 write "\n"))
1141
1142 val () = Env.action_one "unset_indexOptions"
1143 ("options", Env.list autoindex_option)
1144 (fn opts =>
1145 case opts of
1146 [] => ()
1147 | _ => (write "\tIndexOptions";
1148 app (fn (opt, _) =>
1149 (write " -";
1150 write opt)) opts;
1151 write "\n"))
1152
1153 val () = Env.action_one "headerName"
1154 ("name", Env.string)
1155 (fn name => (write "\tHeaderName ";
1156 write name;
1157 write "\n"))
1158
1159 val () = Env.action_one "readmeName"
1160 ("name", Env.string)
1161 (fn name => (write "\tReadmeName ";
1162 write name;
1163 write "\n"))
1164
1165 val () = Env.action_two "setEnv"
1166 ("key", Env.string, "value", Env.string)
1167 (fn (key, value) => (write "\tSetEnv \"";
1168 write key;
1169 write "\" \"";
1170 write (String.translate (fn #"\"" => "\\\""
1171 | ch => str ch) value);
1172 write "\"\n"))
1173
1174 val () = Env.action_three "setEnvIf"
1175 ("attribute", Env.string, "match", Env.string, "env_variables", Env.list Env.string)
1176 (fn (attribute, match, envs) =>
1177 case envs of
1178 [] => (print "WARNING: Skipped setEnvIf, no environment variables provided.\n")
1179 | envs =>
1180 (write "\tSetEnvIf\t\"";
1181 write attribute;
1182 write "\"\t\"";
1183 write match;
1184 write "\"";
1185 app (fn env => (write "\t"; write env)) envs;
1186 write "\n"))
1187
1188 val () = Env.action_three "setEnvIfNoCase"
1189 ("attribute", Env.string, "match", Env.string, "env_variables", Env.list Env.string)
1190 (fn (attribute, match, envs) =>
1191 case envs of
1192 [] => (print "WARNING: Skipped setEnvIfNoCase, no environment variables provided.\n")
1193 | envs =>
1194 (write "\tSetEnvIfNoCase\t\"";
1195 write attribute;
1196 write "\"\t\"";
1197 write match;
1198 write "\"";
1199 app (fn env => (write "\t"; write env)) envs;
1200 write "\n"))
1201
1202 val () = Env.action_one "diskCache"
1203 ("path", Env.string)
1204 (fn path => (write "\tCacheEnable disk \"";
1205 write path;
1206 write "\"\n"))
1207
1208 val () = Env.action_one "phpVersion"
1209 ("version", php_version)
1210 (fn version => (write "\tAddHandler fcgid-script .php .phtml\n";
1211 (* FIXME: only set kerberos wrapper of waklog is on *)
1212 (* won't be trivial, since we don't have access to node here *)
1213 app (fn ext => (write "\n\tFcgidWrapper \"";
1214 write (Config.Apache.fastCgiWrapperOf (Domain.getUser ()));
1215 write " ";
1216 write (Config.Apache.phpFastCgiWrapper version);
1217 write "\" ";
1218 write ext;
1219 write "\n"))
1220 [".php", ".phtml"]))
1221
1222 val () = Env.action_two "addType"
1223 ("mime type", Env.string, "extension", Env.string)
1224 (fn (mt, ext) => (write "\tAddType ";
1225 write mt;
1226 write " ";
1227 write ext;
1228 write "\n"))
1229
1230 val filter = fn (EVar "includes", _) => SOME "INCLUDES"
1231 | (EVar "deflate", _) => SOME "DEFLATE"
1232 | _ => NONE
1233
1234 val () = Env.action_two "addOutputFilter"
1235 ("filters", Env.list filter, "extensions", Env.list Env.string)
1236 (fn (f :: fs, exts as (_ :: _)) =>
1237 (write "\tAddOutputFilter ";
1238 write f;
1239 app (fn f => (write ";"; write f)) fs;
1240 app (fn ext => (write " "; write ext)) exts;
1241 write "\n")
1242 | _ => ())
1243
1244 val () = Env.action_one "sslCertificateChainFile"
1245 ("ssl_cacert_path", Env.string)
1246 (fn cacert =>
1247 if !sslEnabled then
1248 (write "\tSSLCertificateChainFile \"";
1249 write cacert;
1250 write "\"\n")
1251 else
1252 print "WARNING: Skipped sslCertificateChainFile because this isn't an SSL vhost.\n")
1253
1254 val () = Domain.registerResetLocal (fn () =>
1255 ignore (OS.Process.system (Config.rm ^ " -rf " ^ Config.Apache.confDir ^ "/*")))
1256
1257 val () = Domain.registerDescriber (Domain.considerAll
1258 [Domain.Extension {extension = "vhost",
1259 heading = fn host => "Web vhost " ^ host ^ ":"},
1260 Domain.Extension {extension = "vhost_ssl",
1261 heading = fn host => "SSL web vhost " ^ host ^ ":"}])
1262
1263 val () = Env.action_one "allowEncodedSlashes"
1264 ("enable", Env.bool)
1265 (fn enable => (write "\tAllowEncodedSlashes ";
1266 write (if enable then "NoDecode" else "Off");
1267 write "\n"))
1268 val () = Env.action_none "testNoHtaccess"
1269 (fn path => write "\tAllowOverride None\n")
1270
1271 fun writeWaklogUserFile () =
1272 let
1273 val users = Acl.users ()
1274 val outf = TextIO.openOut Config.Apache.waklogUserFile
1275 in
1276 app (fn user => if String.isSuffix "_admin" user then
1277 ()
1278 else
1279 (TextIO.output (outf, "<Location /~");
1280 TextIO.output (outf, user);
1281 TextIO.output (outf, ">\n\tWaklogEnabled on\n\tWaklogLocationPrincipal ");
1282 TextIO.output (outf, user);
1283 TextIO.output (outf, "/daemon@HCOOP.NET /etc/keytabs/user.daemon/");
1284 TextIO.output (outf, user);
1285 TextIO.output (outf, "\n</Location>\n\n"))) users;
1286 TextIO.closeOut outf
1287 end
1288
1289 val () = Domain.registerOnUsersChange writeWaklogUserFile
1290
1291 end
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