[hcoop/domtool2.git] / src / plugins / apache.sml

(* HCoop Domtool (http://hcoop.sourceforge.net/)
 * Copyright (c) 2006, Adam Chlipala
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 *)

(* Apache HTTPD handling *)

structure Apache :> APACHE = struct

open Ast

val _ = Env.type_one "proxy_port"
	Env.int
	(fn n => n > 1024)

val _ = Env.type_one "proxy_target"
	Env.string
	(fn s =>
	    let
		fun default () = List.exists (fn s' => s = s') Config.Apache.proxyTargets
	    in
		case String.fields (fn ch => ch = #":") s of
		    ["http", "//localhost", rest] =>
		    (case String.fields (fn ch => ch = #"/") rest of
			 port :: _ =>
			 (case Int.fromString port of
			      NONE => default ()
			    | SOME n => n > 1024 orelse default ())
		       | _ => default ())
		  | _ => default ()
	    end)

val _ = Env.type_one "rewrite_arg"
	Env.string
	(CharVector.all Char.isAlphaNum)

fun validLocation s =
    size s > 0 andalso size s < 1000 andalso CharVector.all
						 (fn ch => Char.isAlphaNum ch
							   orelse ch = #"-"
							   orelse ch = #"_"
							   orelse ch = #"."
							   orelse ch = #"/") s

val _ = Env.type_one "location"
	Env.string
	validLocation

val dl = ErrorMsg.dummyLoc

val _ = Main.registerDefault ("WebNodes",
			      (TList (TBase "node", dl), dl),
			      (fn () => (EList (map (fn s => (EString s, dl)) Config.Apache.webNodes), dl)))

val _ = Main.registerDefault ("SSL",
			      (TBase "bool", dl),
			      (fn () => (EVar "false", dl)))

val _ = Main.registerDefault ("User",
			      (TBase "your_user", dl),
			      (fn () => (EString (Domain.getUser ()), dl)))

val _ = Main.registerDefault ("Group",
			      (TBase "your_group", dl),
			      (fn () => (EString (Domain.getUser ()), dl)))

val _ = Main.registerDefault ("DocumentRoot",
			      (TBase "your_path", dl),
			      (fn () => (EString ("/home/" ^ Domain.getUser () ^ "/public_html"), dl)))

val _ = Main.registerDefault ("ServerAdmin",
			      (TBase "email", dl),
			      (fn () => (EString (Domain.getUser () ^ "@" ^ Config.defaultDomain), dl)))


val redirect_code = fn (EVar "temp", _) => SOME "temp"
		     | (EVar "permanent", _) => SOME "permanent"
		     | (EVar "seeother", _) => SOME "seeother"
		     | (EVar "redir300", _) => SOME "300"
		     | (EVar "redir301", _) => SOME "301"
		     | (EVar "redir302", _) => SOME "302"
		     | (EVar "redir303", _) => SOME "303"
		     | (EVar "redir304", _) => SOME "304"
		     | (EVar "redir305", _) => SOME "305"
		     | (EVar "redir307", _) => SOME "307"
		     | _ => NONE

val flag = fn (EVar "redirect", _) => SOME "R"
	    | (EVar "forbidden", _) => SOME "F"
	    | (EVar "gone", _) => SOME "G"
	    | (EVar "last", _) => SOME "L"
	    | (EVar "chain", _) => SOME "C"
	    | (EVar "nosubreq", _) => SOME "NS"
	    | (EVar "nocase", _) => SOME "NC"
	    | (EVar "qsappend", _) => SOME "QSA"
	    | (EVar "noescape", _) => SOME "NE"
	    | (EVar "passthrough", _) => SOME "PT"
	    | (EApp ((EVar "mimeType", _), e), _) =>
	      Option.map (fn s => "T=" ^ s) (Env.string e)
	    | (EApp ((EVar "redirectWith", _), e), _) =>
	      Option.map (fn s => "R=" ^ s) (redirect_code e)
	    | (EApp ((EVar "skip", _), e), _) =>
	      Option.map (fn n => "S=" ^ Int.toString n) (Env.int e)
	    | (EApp ((EApp ((EVar "env", _), e1), _), e2), _) =>
	      (case Env.string e1 of
		   NONE => NONE
		 | SOME s1 => Option.map (fn s2 => "E=" ^ s1 ^ ":" ^ s2)
					 (Env.string e2))

	    | _ => NONE

val cond_flag = fn (EVar "cond_nocase", _) => SOME "NC"
	    | (EVar "ornext", _) => SOME "OR"
	    | _ => NONE

val apache_option = fn (EVar "execCGI", _) => SOME "ExecCGI"
		     | (EVar "includesNOEXEC", _) => SOME "IncludesNOEXEC"
		     | (EVar "indexes", _) => SOME "Indexes"
		     | _ => NONE


val vhostsChanged = ref false

val () = Slave.registerPreHandler
	     (fn () => vhostsChanged := false)

val () = Slave.registerFileHandler (fn fs =>
				       let
					   val spl = OS.Path.splitDirFile (#file fs)
				       in
					   if String.isSuffix ".vhost" (#file spl)
					      orelse String.isSuffix ".vhost_ssl" (#file spl) then
					       (vhostsChanged := true;
						case #action fs of
						    Slave.Delete =>
						    ignore (OS.Process.system (Config.rm
									       ^ " -rf "
									       ^ Config.Apache.confDir
									       ^ "/"
									       ^ #file spl))
						  | _ =>
						    ignore (OS.Process.system (Config.cp
									       ^ " "
									       ^ #file fs
									       ^ " "
									       ^ Config.Apache.confDir
									       ^ "/"
									       ^ #file spl)))
					   else
					       ()
				       end)

val () = Slave.registerPostHandler
	 (fn () =>
	     (if !vhostsChanged then
		  Slave.shellF ([Config.Apache.reload],
				fn cl => "Error reloading Apache with " ^ cl)
	      else
		  ()))

val vhostFiles : TextIO.outstream list ref = ref []
fun write s = app (fn file => TextIO.output (file, s)) (!vhostFiles)

val rewriteEnabled = ref false

val () = Env.containerV_one "vhost"
	 ("host", Env.string)
	 (fn (env, host) =>
	     let
		 val nodes = Env.env (Env.list Env.string) (env, "WebNodes")

		 val ssl = Env.env Env.bool (env, "SSL")
		 val user = Env.env Env.string (env, "User")
		 val group = Env.env Env.string (env, "Group")
		 val docroot = Env.env Env.string (env, "DocumentRoot")
		 val sadmin = Env.env Env.string (env, "ServerAdmin")

		 val fullHost = host ^ "." ^ Domain.currentDomain ()
		 val confFile = fullHost ^ (if ssl then ".vhost_ssl" else ".vhost")
	     in
		 rewriteEnabled := false;
		 vhostFiles := map (fn node =>
				       let
					   val file = Domain.domainFile {node = node,
									 name = confFile}
				       in
					   TextIO.output (file, "<VirtualHost ");
					   TextIO.output (file, Domain.nodeIp node);
					   TextIO.output (file, ":");
					   TextIO.output (file, if ssl then
								    "443"
								else
								    "80");
					   TextIO.output (file, ">\n");
					   file
				       end)
				   nodes;
		 write "\tSuexecUserGroup ";
		 write user;
		 write " ";
		 write group;
		 write "\n\tDocumentRoot ";
		 write docroot;
		 write "\n\tServerAdmin ";
		 write sadmin;
		 write "\n"
	     end,
	  fn () => (write "</VirtualHost>\n";
		    app TextIO.closeOut (!vhostFiles)))

val () = Env.container_one "location"
	 ("prefix", Env.string)
	 (fn prefix =>
	     (write "\t<Location ";
	      write prefix;
	      write ">\n"),
	  fn () => write "\t</Location>\n")

val () = Env.container_one "directory"
	 ("directory", Env.string)
	 (fn directory =>
	     (write "\t<Directory ";
	      write directory;
	      write ">\n"),
	  fn () => write "\t</Directory>\n")

fun checkRewrite () =
    if !rewriteEnabled then
	()
    else
	(write "\tRewriteEngine on\n";
	 rewriteEnabled := true)

val () = Env.action_three "localProxyRewrite"
	 ("from", Env.string, "to", Env.string, "port", Env.int)
	 (fn (from, to, port) =>
	     (checkRewrite ();
	      write "\tRewriteRule\t";
	      write from;
	      write "\thttp://localhost:";
	      write (Int.toString port);
	      write "/";
	      write to;
	      write " [P]\n"))

val () = Env.action_two "proxyPass"
	 ("from", Env.string, "to", Env.string)
	 (fn (from, to) =>
		 (write "\tProxyPass\t";
		  write from;
		  write "\t";
		  write to;
		  write "\n"))

val () = Env.action_two "proxyPassReverse"
	 ("from", Env.string, "to", Env.string)
	 (fn (from, to) =>
		 (write "\tProxyPassReverse\t";
		  write from;
		  write "\t";
		  write to;
		  write "\n"))

val () = Env.action_three "rewriteRule"
	 ("from", Env.string, "to", Env.string, "flags", Env.list flag)
	 (fn (from, to, flags) =>
	     (checkRewrite ();
	      write "\tRewriteRule\t";
	      write from;
	      write "\t";
	      write to;
	      case flags of
		  [] => ()
		| flag::rest => (write " [";
				 write flag;
				 app (fn flag => (write ",";
						  write flag)) rest;
				 write "]");
	      write "\n"))

val () = Env.action_three "rewriteCond"
	 ("test", Env.string, "pattern", Env.string, "flags", Env.list cond_flag)
	 (fn (from, to, flags) =>
	     (checkRewrite ();
	      write "\tRewriteCond\t";
	      write from;
	      write "\t";
	      write to;
	      case flags of
		  [] => ()
		| flag::rest => (write " [";
				 write flag;
				 app (fn flag => (write ",";
						  write flag)) rest;
				 write "]");
	      write "\n"))

val () = Env.action_two "alias"
	 ("from", Env.string, "to", Env.string)
	 (fn (from, to) =>
	     (write "\tAlias\t";
	      write from;
	      write " ";
	      write to;
	      write "\n"))

val () = Env.action_two "scriptAlias"
	 ("from", Env.string, "to", Env.string)
	 (fn (from, to) =>
	     (write "\tScriptAlias\t";
	      write from;
	      write " ";
	      write to;
	      write "\n"))

val () = Env.action_two "errorDocument"
	 ("code", Env.string, "handler", Env.string)
	 (fn (code, handler) =>
	     (write "\tErrorDocument\t";
	      write code;
	      write " ";
	      write handler;
	      write "\n"))

val () = Env.action_one "options"
	 ("options", Env.list apache_option)
	 (fn opts =>
	     case opts of
		 [] => ()
	       | _ => (write "\tOptions";
		       app (fn opt => (write " "; write opt)) opts;
		       write "\n"))

val () = Env.action_one "set_options"
	 ("options", Env.list apache_option)
	 (fn opts =>
	     case opts of
		 [] => ()
	       | _ => (write "\tOptions";
		       app (fn opt => (write " +"; write opt)) opts;
		       write "\n"))

val () = Env.action_one "unset_options"
	 ("options", Env.list apache_option)
	 (fn opts =>
	     case opts of
		 [] => ()
	       | _ => (write "\tOptions";
		       app (fn opt => (write " -"; write opt)) opts;
		       write "\n"))

end
Commit	Line	Data
8a7c40fa AC	1	(* HCoop Domtool (http://hcoop.sourceforge.net/)
	2	* Copyright (c) 2006, Adam Chlipala
	3	*
	4	* This program is free software; you can redistribute it and/or
	5	* modify it under the terms of the GNU General Public License
	6	* as published by the Free Software Foundation; either version 2
	7	* of the License, or (at your option) any later version.
	8	*
	9	* This program is distributed in the hope that it will be useful,
	10	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	11	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	12	* GNU General Public License for more details.
	13	*
	14	* You should have received a copy of the GNU General Public License
	15	* along with this program; if not, write to the Free Software
	16	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
	17	*)
	18
	19	(* Apache HTTPD handling *)
	20
	21	structure Apache :> APACHE = struct
	22
	23	open Ast
	24
f8dfbbcc AC	25	val _ = Env.type_one "proxy_port"
f8dfbbcc AC	26	Env.int
e95a129e AC	27	(fn n => n > 1024)
	28
	29	val _ = Env.type_one "proxy_target"
	30	Env.string
	31	(fn s =>
	32	let
	33	fun default () = List.exists (fn s' => s = s') Config.Apache.proxyTargets
	34	in
	35	case String.fields (fn ch => ch = #":") s of
	36	["http", "//localhost", rest] =>
	37	(case String.fields (fn ch => ch = #"/") rest of
	38	port :: _ =>
	39	(case Int.fromString port of
	40	NONE => default ()
	41	\| SOME n => n > 1024 orelse default ())
	42	\| _ => default ())
	43	\| _ => default ()
	44	end)
f8dfbbcc AC	45
	46	val _ = Env.type_one "rewrite_arg"
	47	Env.string
	48	(CharVector.all Char.isAlphaNum)
	49
2882ee37 AC	50	fun validLocation s =
	51	size s > 0 andalso size s < 1000 andalso CharVector.all
	52	(fn ch => Char.isAlphaNum ch
	53	orelse ch = #"-"
	54	orelse ch = #"_"
	55	orelse ch = #"."
	56	orelse ch = #"/") s
	57
	58	val _ = Env.type_one "location"
	59	Env.string
	60	validLocation
	61
8a7c40fa AC	62	val dl = ErrorMsg.dummyLoc
	63
	64	val _ = Main.registerDefault ("WebNodes",
	65	(TList (TBase "node", dl), dl),
	66	(fn () => (EList (map (fn s => (EString s, dl)) Config.Apache.webNodes), dl)))
	67
	68	val _ = Main.registerDefault ("SSL",
	69	(TBase "bool", dl),
	70	(fn () => (EVar "false", dl)))
	71
	72	val _ = Main.registerDefault ("User",
	73	(TBase "your_user", dl),
	74	(fn () => (EString (Domain.getUser ()), dl)))
	75
	76	val _ = Main.registerDefault ("Group",
	77	(TBase "your_group", dl),
	78	(fn () => (EString (Domain.getUser ()), dl)))
	79
	80	val _ = Main.registerDefault ("DocumentRoot",
	81	(TBase "your_path", dl),
	82	(fn () => (EString ("/home/" ^ Domain.getUser () ^ "/public_html"), dl)))
	83
	84	val _ = Main.registerDefault ("ServerAdmin",
	85	(TBase "email", dl),
	86	(fn () => (EString (Domain.getUser () ^ "@" ^ Config.defaultDomain), dl)))
	87
f8dfbbcc AC	88
	89	val redirect_code = fn (EVar "temp", _) => SOME "temp"
	90	\| (EVar "permanent", _) => SOME "permanent"
	91	\| (EVar "seeother", _) => SOME "seeother"
	92	\| (EVar "redir300", _) => SOME "300"
	93	\| (EVar "redir301", _) => SOME "301"
	94	\| (EVar "redir302", _) => SOME "302"
	95	\| (EVar "redir303", _) => SOME "303"
	96	\| (EVar "redir304", _) => SOME "304"
	97	\| (EVar "redir305", _) => SOME "305"
	98	\| (EVar "redir307", _) => SOME "307"
	99	\| _ => NONE
	100
	101	val flag = fn (EVar "redirect", _) => SOME "R"
	102	\| (EVar "forbidden", _) => SOME "F"
	103	\| (EVar "gone", _) => SOME "G"
	104	\| (EVar "last", _) => SOME "L"
	105	\| (EVar "chain", _) => SOME "C"
	106	\| (EVar "nosubreq", _) => SOME "NS"
	107	\| (EVar "nocase", _) => SOME "NC"
	108	\| (EVar "qsappend", _) => SOME "QSA"
	109	\| (EVar "noescape", _) => SOME "NE"
	110	\| (EVar "passthrough", _) => SOME "PT"
	111	\| (EApp ((EVar "mimeType", _), e), _) =>
	112	Option.map (fn s => "T=" ^ s) (Env.string e)
	113	\| (EApp ((EVar "redirectWith", _), e), _) =>
	114	Option.map (fn s => "R=" ^ s) (redirect_code e)
	115	\| (EApp ((EVar "skip", _), e), _) =>
	116	Option.map (fn n => "S=" ^ Int.toString n) (Env.int e)
	117	\| (EApp ((EApp ((EVar "env", _), e1), _), e2), _) =>
	118	(case Env.string e1 of
	119	NONE => NONE
	120	\| SOME s1 => Option.map (fn s2 => "E=" ^ s1 ^ ":" ^ s2)
	121	(Env.string e2))
	122
	123	\| _ => NONE
	124
e95a129e AC	125	val cond_flag = fn (EVar "cond_nocase", _) => SOME "NC"
	126	\| (EVar "ornext", _) => SOME "OR"
	127	\| _ => NONE
	128
d441e69f AC	129	val apache_option = fn (EVar "execCGI", _) => SOME "ExecCGI"
	130	\| (EVar "includesNOEXEC", _) => SOME "IncludesNOEXEC"
	131	\| (EVar "indexes", _) => SOME "Indexes"
	132	\| _ => NONE
	133
f8dfbbcc	134
8a7c40fa AC	135	val vhostsChanged = ref false
	136
	137	val () = Slave.registerPreHandler
	138	(fn () => vhostsChanged := false)
	139
	140	val () = Slave.registerFileHandler (fn fs =>
	141	let
	142	val spl = OS.Path.splitDirFile (#file fs)
	143	in
	144	if String.isSuffix ".vhost" (#file spl)
	145	orelse String.isSuffix ".vhost_ssl" (#file spl) then
	146	(vhostsChanged := true;
	147	case #action fs of
	148	Slave.Delete =>
	149	ignore (OS.Process.system (Config.rm
	150	^ " -rf "
	151	^ Config.Apache.confDir
	152	^ "/"
	153	^ #file spl))
	154	\| _ =>
	155	ignore (OS.Process.system (Config.cp
	156	^ " "
	157	^ #file fs
	158	^ " "
	159	^ Config.Apache.confDir
	160	^ "/"
	161	^ #file spl)))
	162	else
	163	()
	164	end)
	165
	166	val () = Slave.registerPostHandler
	167	(fn () =>
	168	(if !vhostsChanged then
	169	Slave.shellF ([Config.Apache.reload],
	170	fn cl => "Error reloading Apache with " ^ cl)
	171	else
	172	()))
	173
	174	val vhostFiles : TextIO.outstream list ref = ref []
	175	fun write s = app (fn file => TextIO.output (file, s)) (!vhostFiles)
	176
f8dfbbcc AC	177	val rewriteEnabled = ref false
f8dfbbcc AC	178
8a7c40fa AC	179	val () = Env.containerV_one "vhost"
	180	("host", Env.string)
	181	(fn (env, host) =>
	182	let
	183	val nodes = Env.env (Env.list Env.string) (env, "WebNodes")
	184
	185	val ssl = Env.env Env.bool (env, "SSL")
	186	val user = Env.env Env.string (env, "User")
	187	val group = Env.env Env.string (env, "Group")
	188	val docroot = Env.env Env.string (env, "DocumentRoot")
	189	val sadmin = Env.env Env.string (env, "ServerAdmin")
	190
	191	val fullHost = host ^ "." ^ Domain.currentDomain ()
	192	val confFile = fullHost ^ (if ssl then ".vhost_ssl" else ".vhost")
	193	in
f8dfbbcc	194	rewriteEnabled := false;
8a7c40fa AC	195	vhostFiles := map (fn node =>
	196	let
	197	val file = Domain.domainFile {node = node,
	198	name = confFile}
	199	in
	200	TextIO.output (file, "<VirtualHost ");
	201	TextIO.output (file, Domain.nodeIp node);
	202	TextIO.output (file, ":");
	203	TextIO.output (file, if ssl then
	204	"443"
	205	else
	206	"80");
	207	TextIO.output (file, ">\n");
	208	file
	209	end)
	210	nodes;
	211	write "\tSuexecUserGroup ";
	212	write user;
	213	write " ";
	214	write group;
	215	write "\n\tDocumentRoot ";
	216	write docroot;
	217	write "\n\tServerAdmin ";
	218	write sadmin;
	219	write "\n"
	220	end,
	221	fn () => (write "</VirtualHost>\n";
	222	app TextIO.closeOut (!vhostFiles)))
	223
2882ee37 AC	224	val () = Env.container_one "location"
	225	("prefix", Env.string)
	226	(fn prefix =>
	227	(write "\t<Location ";
	228	write prefix;
	229	write ">\n"),
	230	fn () => write "\t</Location>\n")
	231
	232	val () = Env.container_one "directory"
	233	("directory", Env.string)
	234	(fn directory =>
	235	(write "\t<Directory ";
	236	write directory;
	237	write ">\n"),
	238	fn () => write "\t</Directory>\n")
	239
f8dfbbcc AC	240	fun checkRewrite () =
	241	if !rewriteEnabled then
	242	()
	243	else
	244	(write "\tRewriteEngine on\n";
	245	rewriteEnabled := true)
	246
	247	val () = Env.action_three "localProxyRewrite"
	248	("from", Env.string, "to", Env.string, "port", Env.int)
	249	(fn (from, to, port) =>
	250	(checkRewrite ();
	251	write "\tRewriteRule\t";
	252	write from;
	253	write "\thttp://localhost:";
	254	write (Int.toString port);
	255	write "/";
	256	write to;
	257	write " [P]\n"))
	258
e95a129e AC	259	val () = Env.action_two "proxyPass"
	260	("from", Env.string, "to", Env.string)
	261	(fn (from, to) =>
	262	(write "\tProxyPass\t";
	263	write from;
	264	write "\t";
	265	write to;
	266	write "\n"))
	267
	268	val () = Env.action_two "proxyPassReverse"
	269	("from", Env.string, "to", Env.string)
	270	(fn (from, to) =>
	271	(write "\tProxyPassReverse\t";
	272	write from;
	273	write "\t";
	274	write to;
	275	write "\n"))
f8dfbbcc AC	276
	277	val () = Env.action_three "rewriteRule"
	278	("from", Env.string, "to", Env.string, "flags", Env.list flag)
	279	(fn (from, to, flags) =>
	280	(checkRewrite ();
	281	write "\tRewriteRule\t";
	282	write from;
	283	write "\t";
	284	write to;
	285	case flags of
	286	[] => ()
	287	\| flag::rest => (write " [";
	288	write flag;
	289	app (fn flag => (write ",";
	290	write flag)) rest;
	291	write "]");
	292	write "\n"))
	293
e95a129e AC	294	val () = Env.action_three "rewriteCond"
	295	("test", Env.string, "pattern", Env.string, "flags", Env.list cond_flag)
	296	(fn (from, to, flags) =>
	297	(checkRewrite ();
	298	write "\tRewriteCond\t";
	299	write from;
	300	write "\t";
	301	write to;
	302	case flags of
	303	[] => ()
	304	\| flag::rest => (write " [";
	305	write flag;
	306	app (fn flag => (write ",";
	307	write flag)) rest;
	308	write "]");
	309	write "\n"))
	310
d5754b53 AC	311	val () = Env.action_two "alias"
	312	("from", Env.string, "to", Env.string)
	313	(fn (from, to) =>
	314	(write "\tAlias\t";
	315	write from;
	316	write " ";
	317	write to;
	318	write "\n"))
	319
	320	val () = Env.action_two "scriptAlias"
	321	("from", Env.string, "to", Env.string)
	322	(fn (from, to) =>
	323	(write "\tScriptAlias\t";
	324	write from;
	325	write " ";
	326	write to;
	327	write "\n"))
	328
	329	val () = Env.action_two "errorDocument"
	330	("code", Env.string, "handler", Env.string)
	331	(fn (code, handler) =>
	332	(write "\tErrorDocument\t";
	333	write code;
	334	write " ";
	335	write handler;
	336	write "\n"))
	337
d441e69f AC	338	val () = Env.action_one "options"
	339	("options", Env.list apache_option)
	340	(fn opts =>
	341	case opts of
	342	[] => ()
	343	\| _ => (write "\tOptions";
	344	app (fn opt => (write " "; write opt)) opts;
	345	write "\n"))
	346
	347	val () = Env.action_one "set_options"
	348	("options", Env.list apache_option)
	349	(fn opts =>
	350	case opts of
	351	[] => ()
	352	\| _ => (write "\tOptions";
	353	app (fn opt => (write " +"; write opt)) opts;
	354	write "\n"))
	355
	356	val () = Env.action_one "unset_options"
	357	("options", Env.list apache_option)
	358	(fn opts =>
	359	case opts of
	360	[] => ()
	361	\| _ => (write "\tOptions";
	362	app (fn opt => (write " -"; write opt)) opts;
	363	write "\n"))
d5754b53	364
8a7c40fa	365	end