apache: use HTTP for mod_auth_kerb service principal
[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 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)
43 | webPlace (EApp ((EApp ((EVar "web_place", _), (EString node, _)), _), (EString ip, _)), _) =
44 SOME (node, ip)
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.type_one "proxy_port"
62 Env.int
63 (fn n => n > 1024)
64
65 fun validProxyTarget default s =
66 case String.fields (fn ch => ch = #":") s of
67 "http" :: host :: rest =>
68 let
69 val rest = String.concatWith ":" rest
70 in
71 if List.exists (fn h' => host = h') (map (fn h => String.concat ["//", h]) Config.Apache.proxyHosts)
72 then
73 CharVector.all (fn ch => Char.isPrint ch andalso not (Char.isSpace ch)
74 andalso ch <> #"\"" andalso ch <> #"'") rest
75 andalso case String.fields (fn ch => ch = #"/") rest of
76 port :: _ =>
77 (case Int.fromString port of
78 NONE => default s
79 | SOME n => n > 1024 orelse default s)
80 | _ => default s
81 else
82 default s
83 end
84 | _ => default s
85
86 val _ = Env.type_one "proxy_target"
87 Env.string
88 (validProxyTarget (fn s => List.exists (fn s' => s = s') (Config.Apache.proxyTargets @ ["!"])))
89
90 val _ = Env.type_one "proxy_reverse_target"
91 Env.string
92 (validProxyTarget (fn s => List.exists (fn s' => s = s') Config.Apache.proxyTargets))
93
94 val _ = Env.type_one "rewrite_arg"
95 Env.string
96 (CharVector.all Char.isAlphaNum)
97
98 val _ = Env.type_one "suexec_flag"
99 Env.bool
100 (fn b => b orelse Domain.hasPriv "www")
101
102 val _ = Env.type_one "regexp"
103 Env.string
104 Pcre.validRegexp
105
106 fun validLocation s =
107 size s > 0 andalso size s < 1000 andalso CharVector.all
108 (fn ch => Char.isAlphaNum ch
109 orelse ch = #"-"
110 orelse ch = #"_"
111 orelse ch = #"."
112 orelse ch = #"/"
113 orelse ch = #"~") s
114
115 val _ = Env.type_one "location"
116 Env.string
117 validLocation
118
119 fun validCert s = Acl.query {user = Domain.getUser (),
120 class = "cert",
121 value = s}
122
123 fun validCaCert s = Acl.query {user = Domain.getUser (),
124 class = "cacert",
125 value = s}
126
127 val _ = Env.type_one "ssl_cert_path"
128 Env.string
129 validCert
130
131 val _ = Env.type_one "ssl_cacert_path"
132 Env.string
133 validCaCert
134
135 fun ssl e = case e of
136 (EVar "no_ssl", _) => SOME NONE
137 | (EApp ((EVar "use_cert", _), s), _) => Option.map SOME (Env.string s)
138 | _ => NONE
139
140 fun validExtension s =
141 size s > 0
142 andalso size s < 20
143 andalso CharVector.all (fn ch => Char.isAlphaNum ch orelse ch = #"_") s
144
145 val _ = Env.type_one "file_extension"
146 Env.string
147 validExtension
148
149 val _ = Env.registerFunction ("defaultServerAdmin",
150 fn [] => SOME (EString (Domain.getUser () ^ "@" ^ Config.defaultDomain), dl)
151 | _ => NONE)
152
153 val redirect_code = fn (EVar "temp", _) => SOME "temp"
154 | (EVar "permanent", _) => SOME "permanent"
155 | (EVar "seeother", _) => SOME "seeother"
156 | (EVar "redir300", _) => SOME "300"
157 | (EVar "redir301", _) => SOME "301"
158 | (EVar "redir302", _) => SOME "302"
159 | (EVar "redir303", _) => SOME "303"
160 | (EVar "redir304", _) => SOME "304"
161 | (EVar "redir305", _) => SOME "305"
162 | (EVar "redir307", _) => SOME "307"
163 | (EVar "notfound", _) => SOME "404"
164 | _ => NONE
165
166 val flag = fn (EVar "redirect", _) => SOME "R"
167 | (EVar "forbidden", _) => SOME "F"
168 | (EVar "gone", _) => SOME "G"
169 | (EVar "last", _) => SOME "L"
170 | (EVar "chain", _) => SOME "C"
171 | (EVar "nosubreq", _) => SOME "NS"
172 | (EVar "nocase", _) => SOME "NC"
173 | (EVar "qsappend", _) => SOME "QSA"
174 | (EVar "noescape", _) => SOME "NE"
175 | (EVar "passthrough", _) => SOME "PT"
176 | (EApp ((EVar "mimeType", _), e), _) =>
177 Option.map (fn s => "T=" ^ s) (Env.string e)
178 | (EApp ((EVar "redirectWith", _), e), _) =>
179 Option.map (fn s => "R=" ^ s) (redirect_code e)
180 | (EApp ((EVar "skip", _), e), _) =>
181 Option.map (fn n => "S=" ^ Int.toString n) (Env.int e)
182 | (EApp ((EApp ((EVar "env", _), e1), _), e2), _) =>
183 (case Env.string e1 of
184 NONE => NONE
185 | SOME s1 => Option.map (fn s2 => "E=" ^ s1 ^ ":" ^ s2)
186 (Env.string e2))
187
188 | _ => NONE
189
190 val cond_flag = fn (EVar "cond_nocase", _) => SOME "NC"
191 | (EVar "ornext", _) => SOME "OR"
192 | _ => NONE
193
194 val apache_option = fn (EVar "execCGI", _) => SOME "ExecCGI"
195 | (EVar "includesNOEXEC", _) => SOME "IncludesNOEXEC"
196 | (EVar "indexes", _) => SOME "Indexes"
197 | (EVar "followSymLinks", _) => SOME "FollowSymLinks"
198 | (EVar "multiViews", _) => SOME "MultiViews"
199 | _ => NONE
200
201 val autoindex_width = fn (EVar "autofit", _) => SOME "*"
202 | (EApp ((EVar "characters", _), n), _) =>
203 Option.map Int.toString (Env.int n)
204 | _ => NONE
205
206 val autoindex_option = fn (EApp ((EVar "descriptionWidth", _), w), _) =>
207 Option.map (fn w => ("DescriptionWidth", SOME w))
208 (autoindex_width w)
209 | (EVar "fancyIndexing", _) => SOME ("FancyIndexing", NONE)
210 | (EVar "foldersFirst", _) => SOME ("FoldersFirst", NONE)
211 | (EVar "htmlTable", _) => SOME ("HTMLTable", NONE)
212 | (EVar "iconsAreLinks", _) => SOME ("IconsAreLinks", NONE)
213 | (EApp ((EVar "iconHeight", _), n), _) =>
214 Option.map (fn w => ("IconHeight", SOME (Int.toString w)))
215 (Env.int n)
216 | (EApp ((EVar "iconWidth", _), n), _) =>
217 Option.map (fn w => ("IconWidth", SOME (Int.toString w)))
218 (Env.int n)
219 | (EVar "ignoreCase", _) => SOME ("IgnoreCase", NONE)
220 | (EVar "ignoreClient", _) => SOME ("IgnoreClient", NONE)
221 | (EApp ((EVar "nameWidth", _), w), _) =>
222 Option.map (fn w => ("NameWidth", SOME w))
223 (autoindex_width w)
224 | (EVar "scanHtmlTitles", _) => SOME ("ScanHTMLTitles", NONE)
225 | (EVar "suppressColumnSorting", _) => SOME ("SuppressColumnSorting", NONE)
226 | (EVar "suppressDescription", _) => SOME ("SuppressDescription", NONE)
227 | (EVar "suppressHtmlPreamble", _) => SOME ("SuppressHTMLPreamble", NONE)
228 | (EVar "suppressIcon", _) => SOME ("SuppressIcon", NONE)
229 | (EVar "suppressLastModified", _) => SOME ("SuppressLastModified", NONE)
230 | (EVar "suppressRules", _) => SOME ("SuppressRules", NONE)
231 | (EVar "suppressSize", _) => SOME ("SuppressSize", NONE)
232 | (EVar "trackModified", _) => SOME ("TrackModified", NONE)
233 | (EVar "versionSort", _) => SOME ("VersionSort", NONE)
234 | (EVar "xhtml", _) => SOME ("XHTML", NONE)
235
236 | _ => NONE
237
238 val interval_base = fn (EVar "access", _) => SOME "access"
239 | (EVar "modification", _) => SOME "modification"
240 | _ => NONE
241
242 val interval = fn (EVar "years", _) => SOME "years"
243 | (EVar "months", _) => SOME "months"
244 | (EVar "weeks", _) => SOME "weeks"
245 | (EVar "days", _) => SOME "days"
246 | (EVar "hours", _) => SOME "hours"
247 | (EVar "minutes", _) => SOME "minutes"
248 | (EVar "seconds", _) => SOME "seconds"
249 | _ => NONE
250
251 val vhostsChanged = ref false
252 val logDeleted = ref false
253 val delayedLogMoves = ref (fn () => ())
254
255 val () = Slave.registerPreHandler
256 (fn () => (vhostsChanged := false;
257 logDeleted := false;
258 delayedLogMoves := (fn () => print "Executing delayed log moves/deletes.\n")))
259
260 fun findVhostUser fname =
261 let
262 val inf = TextIO.openIn fname
263
264 fun loop () =
265 case TextIO.inputLine inf of
266 NONE => NONE
267 | SOME line =>
268 if String.isPrefix "# Owner: " line then
269 case String.tokens Char.isSpace line of
270 [_, _, user] => SOME user
271 | _ => NONE
272 else
273 loop ()
274 in
275 loop ()
276 before TextIO.closeIn inf
277 end handle _ => NONE
278
279 val webNodes_full = Config.Apache.webNodes_all @ Config.Apache.webNodes_admin
280
281 fun isVersion1 node =
282 List.exists (fn (n, {version = ConfigTypes.APACHE_1_3, ...}) => n = node
283 | _ => false) webNodes_full
284
285 fun imVersion1 () = isVersion1 (Slave.hostname ())
286
287 fun isWaklog node =
288 List.exists (fn (n, {auth = ConfigTypes.MOD_WAKLOG, ...}) => n = node
289 | _ => false) webNodes_full
290
291 fun down () = if imVersion1 () then Config.Apache.down1 else Config.Apache.down
292 fun undown () = if imVersion1 () then Config.Apache.undown1 else Config.Apache.undown
293 fun reload () = if imVersion1 () then Config.Apache.reload1 else Config.Apache.reload
294 fun fixperms () = if imVersion1 () then Config.Apache.fixperms1 else Config.Apache.fixperms
295
296 fun logDir {user, node, vhostId} =
297 String.concat [Config.Apache.logDirOf (isVersion1 node) user,
298 "/",
299 node,
300 "/",
301 vhostId]
302
303 fun realLogDir {user, node, vhostId} =
304 String.concat [Config.Apache.realLogDirOf user,
305 "/",
306 node,
307 "/",
308 vhostId]
309
310 val () = Slave.registerFileHandler (fn fs =>
311 let
312 val spl = OS.Path.splitDirFile (#file fs)
313 in
314 if String.isSuffix ".vhost" (#file spl)
315 orelse String.isSuffix ".vhost_ssl" (#file spl) then let
316 val realVhostFile = OS.Path.joinDirFile
317 {dir = Config.Apache.confDir,
318 file = #file spl}
319
320 val user = findVhostUser (#file fs)
321 val oldUser = case #action fs of
322 Slave.Delete false => user
323 | _ => findVhostUser realVhostFile
324 in
325 if (oldUser = NONE andalso #action fs <> Slave.Add)
326 orelse (user = NONE andalso not (Slave.isDelete (#action fs))) then
327 print ("Can't find user in " ^ #file fs ^ " or " ^ realVhostFile ^ "! Taking no action.\n")
328 else
329 let
330 val vhostId = if OS.Path.ext (#file spl) = SOME "vhost_ssl" then
331 OS.Path.base (#file spl) ^ ".ssl"
332 else
333 OS.Path.base (#file spl)
334
335 fun realLogDir user =
336 logDir {user = valOf user,
337 node = Slave.hostname (),
338 vhostId = vhostId}
339
340 fun backupLogs () =
341 OS.Path.joinDirFile
342 {dir = Config.Apache.backupLogDirOf
343 (isVersion1 (Slave.hostname ())),
344 file = vhostId}
345 in
346 vhostsChanged := true;
347 case #action fs of
348 Slave.Delete _ =>
349 let
350 val ldir = realLogDir oldUser
351 val dlm = !delayedLogMoves
352 in
353 if !logDeleted then
354 ()
355 else
356 ((*ignore (OS.Process.system (down ()));*)
357 ignore (OS.Process.system (fixperms ()));
358 logDeleted := true);
359 ignore (OS.Process.system (Config.rm
360 ^ " -rf "
361 ^ realVhostFile));
362 delayedLogMoves := (fn () => (dlm ();
363 Slave.moveDirCreate {from = ldir,
364 to = backupLogs ()}))
365 end
366 | Slave.Add =>
367 let
368 val rld = realLogDir user
369 in
370 ignore (OS.Process.system (Config.cp
371 ^ " "
372 ^ #file fs
373 ^ " "
374 ^ realVhostFile));
375 if Posix.FileSys.access (rld, []) then
376 ()
377 else
378 Slave.moveDirCreate {from = backupLogs (),
379 to = rld}
380 end
381
382 | _ =>
383 (ignore (OS.Process.system (Config.cp
384 ^ " "
385 ^ #file fs
386 ^ " "
387 ^ realVhostFile));
388 if user <> oldUser then
389 let
390 val old = realLogDir oldUser
391 val rld = realLogDir user
392
393 val dlm = !delayedLogMoves
394 in
395 if !logDeleted then
396 ()
397 else
398 ((*ignore (OS.Process.system (down ()));*)
399 logDeleted := true);
400 delayedLogMoves := (fn () => (dlm ();
401 ignore (OS.Process.system (Config.rm
402 ^ " -rf "
403 ^ realLogDir oldUser))));
404 if Posix.FileSys.access (rld, []) then
405 ()
406 else
407 Slave.mkDirAll rld
408 end
409 else
410 ())
411 end
412 end
413 else
414 ()
415 end)
416
417 val () = Slave.registerPostHandler
418 (fn () =>
419 (if !vhostsChanged then
420 (Slave.shellF ([reload ()],
421 fn cl => "Error reloading Apache with " ^ cl);
422 if !logDeleted then !delayedLogMoves () else ())
423 else
424 ()))
425
426 val vhostFiles : (string * TextIO.outstream) list ref = ref []
427 fun write' s = app (fn (node, file) => TextIO.output (file, s node)) (!vhostFiles)
428 fun write s = app (fn (_, file) => TextIO.output (file, s)) (!vhostFiles)
429
430 val rewriteEnabled = ref false
431 val localRewriteEnabled = ref false
432 val expiresEnabled = ref false
433 val localExpiresEnabled = ref false
434 val currentVhost = ref ""
435 val currentVhostId = ref ""
436 val sslEnabled = ref false
437
438 val pre = ref (fn _ : {user : string, nodes : string list, id : string, hostname : string} => ())
439 fun registerPre f =
440 let
441 val old = !pre
442 in
443 pre := (fn x => (old x; f x))
444 end
445
446 val post = ref (fn () => ())
447 fun registerPost f =
448 let
449 val old = !post
450 in
451 post := (fn () => (old (); f ()))
452 end
453
454 fun doPre x = !pre x
455 fun doPost () = !post ()
456
457 val aliaser = ref (fn _ : string => ())
458 fun registerAliaser f =
459 let
460 val old = !aliaser
461 in
462 aliaser := (fn x => (old x; f x))
463 end
464
465 fun vhostPost () = (!post ();
466 write "</VirtualHost>\n";
467 app (TextIO.closeOut o #2) (!vhostFiles))
468
469 val php_version = fn (EVar "fast_php", _) => SOME 6
470 | _ => NONE
471
472 fun vhostBody (env, makeFullHost) =
473 let
474 val places = Env.env (Env.list webPlace) (env, "WebPlaces")
475
476 val ssl = Env.env ssl (env, "SSL")
477 val user = Env.env Env.string (env, "User")
478 val group = Env.env Env.string (env, "Group")
479 val docroot = Env.env Env.string (env, "DocumentRoot")
480 val sadmin = Env.env Env.string (env, "ServerAdmin")
481 val suexec = Env.env Env.bool (env, "SuExec")
482 val php = Env.env php_version (env, "PhpVersion")
483
484 val fullHost = makeFullHost (Domain.currentDomain ())
485 val vhostId = fullHost ^ (if Option.isSome ssl then ".ssl" else "")
486 val confFile = fullHost ^ (if Option.isSome ssl then ".vhost_ssl" else ".vhost")
487 in
488 currentVhost := fullHost;
489 currentVhostId := vhostId;
490 sslEnabled := Option.isSome ssl;
491
492 rewriteEnabled := false;
493 localRewriteEnabled := false;
494 expiresEnabled := false;
495 localExpiresEnabled := false;
496 vhostFiles := map (fn (node, ip) =>
497 let
498 val file = Domain.domainFile {node = node,
499 name = confFile}
500
501 val ld = logDir {user = user, node = node, vhostId = vhostId}
502 in
503 TextIO.output (file, "# Owner: ");
504 TextIO.output (file, user);
505 TextIO.output (file, "\n<VirtualHost ");
506 TextIO.output (file, ip);
507 TextIO.output (file, ":");
508 TextIO.output (file, case ssl of
509 SOME _ => "443"
510 | NONE => "80");
511 TextIO.output (file, ">\n");
512 TextIO.output (file, "\tErrorLog ");
513 TextIO.output (file, ld);
514 TextIO.output (file, "/error.log\n\tCustomLog ");
515 TextIO.output (file, ld);
516 TextIO.output (file, "/access.log combined\n");
517 TextIO.output (file, "\tServerName ");
518 TextIO.output (file, fullHost);
519 app
520 (fn dom => (TextIO.output (file, "\n\tServerAlias ");
521 TextIO.output (file, makeFullHost dom)))
522 (Domain.currentAliasDomains ());
523
524 if suexec then
525 if isVersion1 node then
526 (TextIO.output (file, "\n\tUser ");
527 TextIO.output (file, user);
528 TextIO.output (file, "\n\tGroup ");
529 TextIO.output (file, group))
530 else
531 (TextIO.output (file, "\n\tSuexecUserGroup ");
532 TextIO.output (file, user);
533 TextIO.output (file, " ");
534 TextIO.output (file, group))
535 else
536 ();
537
538 if isWaklog node then
539 (TextIO.output (file, "\n\tWaklogEnabled on\n\tWaklogLocationPrincipal ");
540 TextIO.output (file, user);
541 TextIO.output (file, "/daemon@HCOOP.NET /etc/keytabs/user.daemon/");
542 TextIO.output (file, user))
543 else
544 ();
545
546 TextIO.output (file, "\n\tDAVLockDB /var/lock/apache2/dav/");
547 TextIO.output (file, user);
548 TextIO.output (file, "/DAVLock");
549
550 if php = 6
551 then
552 (* fastcgi php 5.6, using version 6 since php6 doesn't exist *)
553 (TextIO.output (file, "\n\tAddHandler fcgid-script .php .phtml");
554 map (fn ext => (TextIO.output (file, "\n\tFcgidWrapper \"");
555 (* kerberos wrapper, simulates waklog+mod_cgi *)
556 if isWaklog node then
557 (TextIO.output (file, Config.Apache.fastCgiWrapperOf user);
558 TextIO.output (file, " "))
559 else
560 ();
561 TextIO.output (file, Config.Apache.phpFastCgiWrapper);
562 TextIO.output (file, "\" ");
563 TextIO.output (file, ext)))
564 [".php", ".phtml"];
565 ())
566 else
567 (TextIO.output (file, "\n\tAddHandler x-httpd-php");
568 TextIO.output (file, Int.toString php);
569 TextIO.output (file, " .php .phtml"));
570 (ld, file)
571 end)
572 places;
573 write "\n\tDocumentRoot ";
574 write docroot;
575 write "\n\tServerAdmin ";
576 write sadmin;
577 case ssl of
578 SOME cert =>
579 (write "\n\tSSLEngine on\n\tSSLCertificateFile ";
580 write cert)
581 | NONE => ();
582 write "\n";
583 !pre {user = user, nodes = map #1 places, id = vhostId, hostname = fullHost};
584 app (fn dom => !aliaser (makeFullHost dom)) (Domain.currentAliasDomains ())
585 end
586
587 val () = Env.containerV_one "vhost"
588 ("host", Env.string)
589 (fn (env, host) => vhostBody (env, fn dom => host ^ "." ^ dom),
590 vhostPost)
591
592 val () = Env.containerV_none "vhostDefault"
593 (fn env => vhostBody (env, fn dom => dom),
594 vhostPost)
595
596 val inLocal = ref false
597
598 val () = Env.container_one "location"
599 ("prefix", Env.string)
600 (fn prefix =>
601 (write "\t<Location ";
602 write prefix;
603 write ">\n";
604 inLocal := true),
605 fn () => (write "\t</Location>\n";
606 inLocal := false;
607 localRewriteEnabled := false;
608 localExpiresEnabled := false))
609
610 val () = Env.container_one "directory"
611 ("directory", Env.string)
612 (fn directory =>
613 (write "\t<Directory ";
614 write directory;
615 write ">\n";
616 inLocal := true),
617 fn () => (write "\t</Directory>\n";
618 inLocal := false;
619 localRewriteEnabled := false;
620 localExpiresEnabled := false))
621
622 val () = Env.container_one "filesMatch"
623 ("regexp", Env.string)
624 (fn prefix =>
625 (write "\t<FilesMatch \"";
626 write prefix;
627 write "\">\n"),
628 fn () => (write "\t</FilesMatch>\n";
629 localRewriteEnabled := false;
630 localExpiresEnabled := false))
631
632 fun checkRewrite () =
633 if !inLocal then
634 if !localRewriteEnabled then
635 ()
636 else
637 (write "\tRewriteEngine on\n";
638 localRewriteEnabled := true)
639 else if !rewriteEnabled then
640 ()
641 else
642 (write "\tRewriteEngine on\n";
643 rewriteEnabled := true)
644
645 fun checkExpires () =
646 if !inLocal then
647 if !localExpiresEnabled then
648 ()
649 else
650 (write "\tExpiresActive on\n";
651 localExpiresEnabled := true)
652 else if !expiresEnabled then
653 ()
654 else
655 (write "\tExpiresActive on\n";
656 expiresEnabled := true)
657
658 val () = Env.action_three "localProxyRewrite"
659 ("from", Env.string, "to", Env.string, "port", Env.int)
660 (fn (from, to, port) =>
661 (checkRewrite ();
662 write "\tRewriteRule\t\"";
663 write from;
664 write "\"\thttp://localhost:";
665 write (Int.toString port);
666 write "/";
667 write to;
668 write " [P]\n"))
669
670 val () = Env.action_four "expiresByType"
671 ("mime", Env.string, "base", interval_base, "num", Env.int, "inter", interval)
672 (fn (mime, base, num, inter) =>
673 (checkExpires ();
674 write "\tExpiresByType\t\"";
675 write mime;
676 write "\"\t\"";
677 write base;
678 write " plus ";
679 if num < 0 then
680 (write "-";
681 write (Int.toString (~num)))
682 else
683 write (Int.toString num);
684 write " ";
685 write inter;
686 write "\"\n"))
687
688 val () = Env.action_two "proxyPass"
689 ("from", Env.string, "to", Env.string)
690 (fn (from, to) =>
691 (write "\tProxyPass\t";
692 write from;
693 write "\t";
694 write to;
695 write "\tretry=0\n"))
696
697 val () = Env.action_two "proxyPassReverse"
698 ("from", Env.string, "to", Env.string)
699 (fn (from, to) =>
700 (write "\tProxyPassReverse\t";
701 write from;
702 write "\t";
703 write to;
704 write "\n"))
705
706 val () = Env.action_one "proxyPreserveHost"
707 ("enable", Env.bool)
708 (fn (enable) =>
709 (write "\tProxyPreserveHost\t";
710 if enable then write "On" else write "Off";
711 write "\n"))
712
713 val () = Env.action_three "rewriteRule"
714 ("from", Env.string, "to", Env.string, "flags", Env.list flag)
715 (fn (from, to, flags) =>
716 (checkRewrite ();
717 write "\tRewriteRule\t\"";
718 write from;
719 write "\"\t\"";
720 write to;
721 write "\"";
722 case flags of
723 [] => ()
724 | flag::rest => (write " [";
725 write flag;
726 app (fn flag => (write ",";
727 write flag)) rest;
728 write "]");
729 write "\n"))
730
731 val () = Env.action_three "rewriteCond"
732 ("test", Env.string, "pattern", Env.string, "flags", Env.list cond_flag)
733 (fn (from, to, flags) =>
734 (checkRewrite ();
735 write "\tRewriteCond\t\"";
736 write from;
737 write "\"\t\"";
738 write to;
739 write "\"";
740 case flags of
741 [] => ()
742 | flag::rest => (write " [";
743 write flag;
744 app (fn flag => (write ",";
745 write flag)) rest;
746 write "]");
747 write "\n"))
748
749 val () = Env.action_one "rewriteBase"
750 ("prefix", Env.string)
751 (fn prefix =>
752 (checkRewrite ();
753 write "\tRewriteBase\t\"";
754 write prefix;
755 write "\"\n"))
756
757 val () = Env.action_one "rewriteLogLevel"
758 ("level", Env.int)
759 (fn level =>
760 (checkRewrite ();
761 write "\tRewriteLog ";
762 write' (fn x => x);
763 write "/rewrite.log\n\tRewriteLogLevel ";
764 write (Int.toString level);
765 write "\n"))
766
767 val () = Env.action_two "alias"
768 ("from", Env.string, "to", Env.string)
769 (fn (from, to) =>
770 (write "\tAlias\t";
771 write from;
772 write " ";
773 write to;
774 write "\n"))
775
776 val () = Env.action_two "scriptAlias"
777 ("from", Env.string, "to", Env.string)
778 (fn (from, to) =>
779 (write "\tScriptAlias\t";
780 write from;
781 write " ";
782 write to;
783 write "\n"))
784
785 val () = Env.action_two "fastScriptAlias"
786 ("from", Env.string, "to", Env.string)
787 (fn (from, to) =>
788 let
789 (* mod_fcgid + kerberos limit this to working with
790 individual fcgi programs. assume the target path is a
791 file and any trailing `/' is just aliasing
792 syntax. Directory+File on the script is used to
793 activate fcgid instead of Location on the alias to
794 limit effects (alias+location also match in inverse
795 order causing pernicious side-effects *)
796 val fcgi_path = if String.sub (to, size to - 1) = #"/"
797 then
798 String.substring (to, 0, size to - 1)
799 else
800 to
801 val fcgi_dir = OS.Path.dir fcgi_path
802 val fcgi_file = OS.Path.file fcgi_path
803 in
804 write "\tAlias\t"; write from; write " "; write to; write "\n";
805
806 write "\t<Directory "; write fcgi_dir; write ">\n";
807 write "\t<Files "; write fcgi_file; write ">\n";
808 write "\tSetHandler fcgid-script\n";
809
810 (* FIXME: only set kerberos wrapper of waklog is on *)
811 (* won't be trivial, since we don't have access to node here *)
812 write "\tFcgidWrapper \"";
813 write (Config.Apache.fastCgiWrapperOf (Domain.getUser ()));
814 write " ";
815 write fcgi_path;
816 write "\"\n";
817
818 write "\t</Files>\n\t</Directory>\n"
819 end)
820
821 val () = Env.action_two "errorDocument"
822 ("code", Env.string, "handler", Env.string)
823 (fn (code, handler) =>
824 let
825 val hasSpaces = CharVector.exists Char.isSpace handler
826
827 fun maybeQuote () =
828 if hasSpaces then
829 write "\""
830 else
831 ()
832 in
833 write "\tErrorDocument\t";
834 write code;
835 write " ";
836 maybeQuote ();
837 write handler;
838 maybeQuote ();
839 write "\n"
840 end)
841
842 val () = Env.action_one "options"
843 ("options", Env.list apache_option)
844 (fn opts =>
845 case opts of
846 [] => ()
847 | _ => (write "\tOptions";
848 app (fn opt => (write " "; write opt)) opts;
849 write "\n"))
850
851 val () = Env.action_one "set_options"
852 ("options", Env.list apache_option)
853 (fn opts =>
854 case opts of
855 [] => ()
856 | _ => (write "\tOptions";
857 app (fn opt => (write " +"; write opt)) opts;
858 write "\n"))
859
860 val () = Env.action_one "unset_options"
861 ("options", Env.list apache_option)
862 (fn opts =>
863 case opts of
864 [] => ()
865 | _ => (write "\tOptions";
866 app (fn opt => (write " -"; write opt)) opts;
867 write "\n"))
868
869 val () = Env.action_one "cgiExtension"
870 ("extension", Env.string)
871 (fn ext => (write "\tAddHandler cgi-script ";
872 write ext;
873 write "\n"))
874
875 val () = Env.action_one "directoryIndex"
876 ("filenames", Env.list Env.string)
877 (fn opts =>
878 (write "\tDirectoryIndex";
879 app (fn opt => (write " "; write opt)) opts;
880 write "\n"))
881
882 val () = Env.action_one "serverAliasHost"
883 ("host", Env.string)
884 (fn host =>
885 (write "\tServerAlias ";
886 write host;
887 write "\n";
888 !aliaser host))
889
890 val () = Env.action_one "serverAlias"
891 ("host", Env.string)
892 (fn host =>
893 (app
894 (fn dom =>
895 let
896 val full = host ^ "." ^ dom
897 in
898 write "\tServerAlias ";
899 write full;
900 write "\n";
901 !aliaser full
902 end)
903 (Domain.currentDomains ())))
904
905 val () = Env.action_none "serverAliasDefault"
906 (fn () =>
907 (app
908 (fn dom =>
909 (write "\tServerAlias ";
910 write dom;
911 write "\n";
912 !aliaser dom))
913 (Domain.currentDomains ())))
914
915 val authType = fn (EVar "basic", _) => SOME "basic"
916 | (EVar "digest", _) => SOME "digest"
917 | (EVar "kerberos", _) => SOME "kerberos"
918 | _ => NONE
919
920 fun allowAuthType "kerberos" = !sslEnabled
921 | allowAuthType _ = true
922
923 val () = Env.action_one "authType"
924 ("type", authType)
925 (fn ty =>
926 if allowAuthType ty then
927 (write "\tAuthType ";
928 write ty;
929 write "\n";
930 case ty of
931 "kerberos" =>
932 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"
933 | _ => ())
934 else
935 print "WARNING: Skipped Kerberos authType because this isn't an SSL vhost.\n")
936
937 val () = Env.action_one "authName"
938 ("name", Env.string)
939 (fn name =>
940 (write "\tAuthName \"";
941 write name;
942 write "\"\n"))
943
944 val () = Env.action_one "authUserFile"
945 ("file", Env.string)
946 (fn name =>
947 (write "\tAuthUserFile ";
948 write name;
949 write "\n"))
950
951 val () = Env.action_one "authGroupFile"
952 ("file", Env.string)
953 (fn name =>
954 (write "\tAuthGroupFile ";
955 write name;
956 write "\n"))
957
958 val () = Env.action_none "requireValidUser"
959 (fn () => write "\tRequire valid-user\n")
960
961 val () = Env.action_one "requireUser"
962 ("users", Env.list Env.string)
963 (fn names =>
964 case names of
965 [] => ()
966 | _ => (write "\tRequire user";
967 app (fn name => (write " "; write name)) names;
968 write "\n"))
969
970 val () = Env.action_one "requireGroup"
971 ("groups", Env.list Env.string)
972 (fn names =>
973 case names of
974 [] => ()
975 | _ => (write "\tRequire group";
976 app (fn name => (write " "; write name)) names;
977 write "\n"))
978
979 val () = Env.action_none "orderAllowDeny"
980 (fn () => write "\tOrder allow,deny\n")
981
982 val () = Env.action_none "orderDenyAllow"
983 (fn () => write "\tOrder deny,allow\n")
984
985 val () = Env.action_none "allowFromAll"
986 (fn () => write "\tAllow from all\n")
987
988 val () = Env.action_one "allowFrom"
989 ("entries", Env.list Env.string)
990 (fn names =>
991 case names of
992 [] => ()
993 | _ => (write "\tAllow from";
994 app (fn name => (write " "; write name)) names;
995 write "\n"))
996
997 val () = Env.action_none "denyFromAll"
998 (fn () => write "\tDeny from all\n")
999
1000 val () = Env.action_one "denyFrom"
1001 ("entries", Env.list Env.string)
1002 (fn names =>
1003 case names of
1004 [] => ()
1005 | _ => (write "\tDeny from";
1006 app (fn name => (write " "; write name)) names;
1007 write "\n"))
1008
1009 val () = Env.action_none "satisfyAll"
1010 (fn () => write "\tSatisfy all\n")
1011
1012 val () = Env.action_none "satisfyAny"
1013 (fn () => write "\tSatisfy any\n")
1014
1015 val () = Env.action_one "forceType"
1016 ("type", Env.string)
1017 (fn ty => (write "\tForceType ";
1018 write ty;
1019 write "\n"))
1020
1021 val () = Env.action_none "forceTypeOff"
1022 (fn () => write "\tForceType None\n")
1023
1024 val () = Env.action_two "action"
1025 ("what", Env.string, "how", Env.string)
1026 (fn (what, how) => (write "\tAction ";
1027 write what;
1028 write " ";
1029 write how;
1030 write "\n"))
1031
1032 val () = Env.action_one "addDefaultCharset"
1033 ("charset", Env.string)
1034 (fn ty => (write "\tAddDefaultCharset ";
1035 write ty;
1036 write "\n"))
1037
1038 (*val () = Env.action_one "davSvn"
1039 ("path", Env.string)
1040 (fn path => (write "\tDAV svn\n\tSVNPath ";
1041 write path;
1042 write "\n"))
1043
1044 val () = Env.action_one "authzSvnAccessFile"
1045 ("path", Env.string)
1046 (fn path => (write "\tAuthzSVNAccessFile ";
1047 write path;
1048 write "\n"))*)
1049
1050 val () = Env.action_none "davFilesystem"
1051 (fn path => write "\tDAV filesystem\n")
1052
1053 val () = Env.action_two "addDescription"
1054 ("description", Env.string, "patterns", Env.list Env.string)
1055 (fn (desc, pats) =>
1056 case pats of
1057 [] => ()
1058 | _ => (write "\tAddDescription \"";
1059 write (String.toString desc);
1060 write "\"";
1061 app (fn pat => (write " "; write pat)) pats;
1062 write "\n"))
1063
1064 val () = Env.action_two "addIcon"
1065 ("icon", Env.string, "patterns", Env.list Env.string)
1066 (fn (icon, pats) =>
1067 case pats of
1068 [] => ()
1069 | _ => (write "\tAddIcon \"";
1070 write icon;
1071 write "\"";
1072 app (fn pat => (write " "; write pat)) pats;
1073 write "\n"))
1074
1075 val () = Env.action_one "indexOptions"
1076 ("options", Env.list autoindex_option)
1077 (fn opts =>
1078 case opts of
1079 [] => ()
1080 | _ => (write "\tIndexOptions";
1081 app (fn (opt, arg) =>
1082 (write " ";
1083 write opt;
1084 Option.app (fn arg =>
1085 (write "="; write arg)) arg)) opts;
1086 write "\n"))
1087
1088 val () = Env.action_one "indexIgnore"
1089 ("patterns", Env.list Env.string)
1090 (fn pats =>
1091 case pats of
1092 [] => ()
1093 | _ => (write "\tIndexIgnore";
1094 app (fn pat => (write " "; write pat)) pats;
1095 write "\n"))
1096
1097 val () = Env.action_one "set_indexOptions"
1098 ("options", Env.list autoindex_option)
1099 (fn opts =>
1100 case opts of
1101 [] => ()
1102 | _ => (write "\tIndexOptions";
1103 app (fn (opt, arg) =>
1104 (write " +";
1105 write opt;
1106 Option.app (fn arg =>
1107 (write "="; write arg)) arg)) opts;
1108 write "\n"))
1109
1110 val () = Env.action_one "unset_indexOptions"
1111 ("options", Env.list autoindex_option)
1112 (fn opts =>
1113 case opts of
1114 [] => ()
1115 | _ => (write "\tIndexOptions";
1116 app (fn (opt, _) =>
1117 (write " -";
1118 write opt)) opts;
1119 write "\n"))
1120
1121 val () = Env.action_one "headerName"
1122 ("name", Env.string)
1123 (fn name => (write "\tHeaderName ";
1124 write name;
1125 write "\n"))
1126
1127 val () = Env.action_one "readmeName"
1128 ("name", Env.string)
1129 (fn name => (write "\tReadmeName ";
1130 write name;
1131 write "\n"))
1132
1133 val () = Env.action_two "setEnv"
1134 ("key", Env.string, "value", Env.string)
1135 (fn (key, value) => (write "\tSetEnv \"";
1136 write key;
1137 write "\" \"";
1138 write (String.translate (fn #"\"" => "\\\""
1139 | ch => str ch) value);
1140 write "\"\n"))
1141
1142 val () = Env.action_one "diskCache"
1143 ("path", Env.string)
1144 (fn path => (write "\tCacheEnable disk \"";
1145 write path;
1146 write "\"\n"))
1147
1148 val () = Env.action_one "phpVersion"
1149 ("version", php_version)
1150 (fn version => (if version = 6
1151 then
1152 (* fastcgi php 5.6 since 6 doesn't exist *)
1153 (write "\tAddHandler fcgid-script .php .phtml\n";
1154 (* FIXME: only set kerberos wrapper of waklog is on *)
1155 (* won't be trivial, since we don't have access to node here *)
1156 write "\n\tFcgidWrapper \"";
1157 write (Config.Apache.fastCgiWrapperOf (Domain.getUser ()));
1158 write " ";
1159 write Config.Apache.phpFastCgiWrapper;
1160 write "\" .php .phtml\n")
1161 else
1162 (write "\tAddHandler x-httpd-php";
1163 write (Int.toString version);
1164 write " .php .phtml\n")))
1165
1166 val () = Env.action_two "addType"
1167 ("mime type", Env.string, "extension", Env.string)
1168 (fn (mt, ext) => (write "\tAddType ";
1169 write mt;
1170 write " ";
1171 write ext;
1172 write "\n"))
1173
1174 val filter = fn (EVar "includes", _) => SOME "INCLUDES"
1175 | (EVar "deflate", _) => SOME "DEFLATE"
1176 | _ => NONE
1177
1178 val () = Env.action_two "addOutputFilter"
1179 ("filters", Env.list filter, "extensions", Env.list Env.string)
1180 (fn (f :: fs, exts as (_ :: _)) =>
1181 (write "\tAddOutputFilter ";
1182 write f;
1183 app (fn f => (write ";"; write f)) fs;
1184 app (fn ext => (write " "; write ext)) exts;
1185 write "\n")
1186 | _ => ())
1187
1188 val () = Env.action_one "sslCertificateChainFile"
1189 ("ssl_cacert_path", Env.string)
1190 (fn cacert =>
1191 if !sslEnabled then
1192 (write "\tSSLCertificateChainFile \"";
1193 write cacert;
1194 write "\"\n")
1195 else
1196 print "WARNING: Skipped sslCertificateChainFile because this isn't an SSL vhost.\n")
1197
1198 val () = Domain.registerResetLocal (fn () =>
1199 ignore (OS.Process.system (Config.rm ^ " -rf " ^ Config.Apache.confDir ^ "/*")))
1200
1201 val () = Domain.registerDescriber (Domain.considerAll
1202 [Domain.Extension {extension = "vhost",
1203 heading = fn host => "Web vhost " ^ host ^ ":"},
1204 Domain.Extension {extension = "vhost_ssl",
1205 heading = fn host => "SSL web vhost " ^ host ^ ":"}])
1206
1207 val () = Env.action_one "allowEncodedSlashes"
1208 ("enable", Env.bool)
1209 (fn enable => (write "\tAllowEncodedSlashes ";
1210 write (if enable then "NoDecode" else "Off");
1211 write "\n"))
1212 val () = Env.action_none "testNoHtaccess"
1213 (fn path => write "\tAllowOverride None\n")
1214
1215 fun writeWaklogUserFile () =
1216 let
1217 val users = Acl.users ()
1218 val outf = TextIO.openOut Config.Apache.waklogUserFile
1219 in
1220 app (fn user => if String.isSuffix "_admin" user then
1221 ()
1222 else
1223 (TextIO.output (outf, "<Location /~");
1224 TextIO.output (outf, user);
1225 TextIO.output (outf, ">\n\tWaklogEnabled on\n\tWaklogLocationPrincipal ");
1226 TextIO.output (outf, user);
1227 TextIO.output (outf, "/daemon@HCOOP.NET /etc/keytabs/user.daemon/");
1228 TextIO.output (outf, user);
1229 TextIO.output (outf, "\n</Location>\n\n"))) users;
1230 TextIO.closeOut outf
1231 end
1232
1233 val () = Domain.registerOnUsersChange writeWaklogUserFile
1234
1235 end