structure Main :> MAIN = struct
-open Ast Print
+open Ast MsgTypes Print
-val dmy = ErrorMsg.dummyLoc
+structure SM = StringMap
-val tInit = (TAction ((CRoot, dmy),
- StringMap.empty,
- StringMap.empty),
- dmy)
+fun init () = Acl.read Config.aclFile
-fun check fname =
+fun check' G fname =
let
val prog = Parse.parse fname
in
if !ErrorMsg.anyErrors then
- ()
+ G
else
- let
- val G' = Tycheck.checkFile Env.empty tInit prog
- in
- ()
- end
+ Tycheck.checkFile G (Defaults.tInit ()) prog
end
-fun reduce fname =
+fun basis () =
let
- val prog = Parse.parse fname
+ val dir = Posix.FileSys.opendir Config.libRoot
+
+ fun loop files =
+ case Posix.FileSys.readdir dir of
+ NONE => (Posix.FileSys.closedir dir;
+ files)
+ | SOME fname =>
+ if String.isSuffix ".dtl" fname then
+ loop (OS.Path.joinDirFile {dir = Config.libRoot,
+ file = fname}
+ :: files)
+ else
+ loop files
+
+ val files = loop []
+ val (_, files) = Order.order files
in
if !ErrorMsg.anyErrors then
- ()
+ Env.empty
+ else
+ foldl (fn (fname, G) => check' G fname) Env.empty files
+ end
+
+fun check fname =
+ let
+ val uid = Posix.ProcEnv.getuid ()
+ val user = Posix.SysDB.Passwd.name (Posix.SysDB.getpwuid uid)
+
+ val () = Acl.read Config.aclFile
+ val () = Domain.setUser user
+
+ val _ = ErrorMsg.reset ()
+ val _ = Env.preTycheck ()
+
+ val b = basis ()
+ in
+ if !ErrorMsg.anyErrors then
+ raise ErrorMsg.Error
else
let
- val G' = Tycheck.checkFile Env.empty tInit prog
+ val _ = ErrorMsg.reset ()
+ val prog = Parse.parse fname
in
if !ErrorMsg.anyErrors then
- ()
+ raise ErrorMsg.Error
else
- case prog of
- (_, SOME body) =>
- let
- val body' = Reduce.reduceExp G' body
- in
- printd (PD.hovBox (PD.PPS.Rel 0,
- [PD.string "Result:",
- PD.space 1,
- p_exp body']))
- end
- | _ => ()
+ let
+ val G' = Tycheck.checkFile b (Defaults.tInit ()) prog
+ in
+ if !ErrorMsg.anyErrors then
+ raise ErrorMsg.Error
+ else
+ (G', #3 prog)
+ end
end
end
-fun eval fname =
+fun reduce fname =
let
- val prog = Parse.parse fname
+ val (G, body) = check fname
in
if !ErrorMsg.anyErrors then
- ()
+ NONE
else
- let
- val G' = Tycheck.checkFile Env.empty tInit prog
- in
- if !ErrorMsg.anyErrors then
- ()
- else
- case prog of
- (_, SOME body) =>
- let
- val body' = Reduce.reduceExp G' body
+ case body of
+ SOME body =>
+ let
+ val body' = Reduce.reduceExp G body
+ in
+ (*printd (PD.hovBox (PD.PPS.Rel 0,
+ [PD.string "Result:",
+ PD.space 1,
+ p_exp body']))*)
+ SOME body'
+ end
+ | _ => NONE
+ end
+
+fun eval fname =
+ case reduce fname of
+ (SOME body') =>
+ if !ErrorMsg.anyErrors then
+ raise ErrorMsg.Error
+ else
+ Eval.exec (Defaults.eInit ()) body'
+ | NONE => raise ErrorMsg.Error
+
+val dispatcher =
+ Config.dispatcher ^ ":" ^ Int.toString Config.dispatcherPort
+
+fun hostname () =
+ let
+ val inf = TextIO.openIn "/etc/hostname"
+ in
+ case TextIO.inputLine inf of
+ NONE => (TextIO.closeIn inf; raise Fail "No line in /etc/hostname")
+ | SOME line => (TextIO.closeIn inf; String.substring (line, 0, size line - 1))
+ end
+
+fun request fname =
+ let
+ val _ = check fname
+
+ val uid = Posix.ProcEnv.getuid ()
+ val user = Posix.SysDB.Passwd.name (Posix.SysDB.getpwuid uid)
+
+ val context = OpenSSL.context (Config.certDir ^ "/" ^ user ^ ".pem",
+ Config.keyDir ^ "/" ^ user ^ "/key.pem",
+ Config.trustStore)
+
+ val bio = OpenSSL.connect (context, dispatcher)
+
+ val inf = TextIO.openIn fname
+
+ fun loop lines =
+ case TextIO.inputLine inf of
+ NONE => String.concat (List.rev lines)
+ | SOME line => loop (line :: lines)
+
+ val code = loop []
+ in
+ TextIO.closeIn inf;
+ Msg.send (bio, MsgConfig code);
+ case Msg.recv bio of
+ NONE => print "Server closed connection unexpectedly.\n"
+ | SOME m =>
+ case m of
+ MsgOk => print "Configuration succeeded.\n"
+ | MsgError s => print ("Configuration failed: " ^ s ^ "\n")
+ | _ => print "Unexpected server reply.\n";
+ OpenSSL.close bio
+ end
+ handle ErrorMsg.Error => ()
+
+fun service () =
+ let
+ val () = Acl.read Config.aclFile
+
+ val context = OpenSSL.context (Config.serverCert,
+ Config.serverKey,
+ Config.trustStore)
+ val _ = Domain.set_context context
+
+ val sock = OpenSSL.listen (context, Config.dispatcherPort)
+
+ fun loop () =
+ case OpenSSL.accept sock of
+ NONE => ()
+ | SOME bio =>
+ let
+ val user = OpenSSL.peerCN bio
+ val () = print ("\nConnection from " ^ user ^ "\n")
+ val () = Domain.setUser user
+
+ fun cmdLoop () =
+ case Msg.recv bio of
+ NONE => (OpenSSL.close bio
+ handle OpenSSL.OpenSSL _ => ();
+ loop ())
+ | SOME m =>
+ case m of
+ MsgConfig code =>
+ let
+ val _ = print "Configuration:\n"
+ val _ = print code
+ val _ = print "\n"
+
+ val outname = OS.FileSys.tmpName ()
+ val outf = TextIO.openOut outname
+ in
+ TextIO.output (outf, code);
+ TextIO.closeOut outf;
+ (eval outname;
+ Msg.send (bio, MsgOk))
+ handle ErrorMsg.Error =>
+ (print "Compilation error\n";
+ Msg.send (bio,
+ MsgError "Error during configuration evaluation"))
+ | OpenSSL.OpenSSL s =>
+ (print "OpenSSL error\n";
+ Msg.send (bio,
+ MsgError
+ ("Error during configuration evaluation: "
+ ^ s)));
+ OS.FileSys.remove outname;
+ (ignore (OpenSSL.readChar bio);
+ OpenSSL.close bio)
+ handle OpenSSL.OpenSSL _ => ();
+ loop ()
+ end
+ | _ =>
+ (Msg.send (bio, MsgError "Unexpected command")
+ handle OpenSSL.OpenSSL _ => ();
+ OpenSSL.close bio
+ handle OpenSSL.OpenSSL _ => ();
+ loop ())
+ in
+ cmdLoop ()
+ end
+ in
+ print "Listening for connections....\n";
+ loop ();
+ OpenSSL.shutdown sock
+ end
+
+fun slave () =
+ let
+ val host = hostname ()
+
+ val context = OpenSSL.context (Config.certDir ^ "/" ^ host ^ ".pem",
+ Config.keyDir ^ "/" ^ host ^ "/key.pem",
+ Config.trustStore)
+
+ val sock = OpenSSL.listen (context, Config.slavePort)
+
+ fun loop () =
+ case OpenSSL.accept sock of
+ NONE => ()
+ | SOME bio =>
+ let
+ val peer = OpenSSL.peerCN bio
+ val () = print ("\nConnection from " ^ peer ^ "\n")
+ in
+ if peer <> Config.dispatcherName then
+ (print "Not authorized!\n";
+ OpenSSL.close bio;
+ loop ())
+ else let
+ fun loop' files =
+ case Msg.recv bio of
+ NONE => print "Dispatcher closed connection unexpectedly\n"
+ | SOME m =>
+ case m of
+ MsgFile file => loop' (file :: files)
+ | MsgDoFiles => (Slave.handleChanges files;
+ Msg.send (bio, MsgOk))
+ | _ => (print "Dispatcher sent unexpected command\n";
+ Msg.send (bio, MsgError "Unexpected command"))
in
- if !ErrorMsg.anyErrors then
- ()
- else
- Eval.exec StringMap.empty body'
+ loop' [];
+ ignore (OpenSSL.readChar bio);
+ OpenSSL.close bio;
+ loop ()
end
- | _ => ()
- end
+ end handle OpenSSL.OpenSSL s =>
+ (print ("OpenSSL error: "^ s ^ "\n");
+ OpenSSL.close bio
+ handle OpenSSL.OpenSSL _ => ();
+ loop ())
+ in
+ loop ();
+ OpenSSL.shutdown sock
+ end
+
+fun autodocBasis outdir =
+ let
+ val dir = Posix.FileSys.opendir Config.libRoot
+
+ fun loop files =
+ case Posix.FileSys.readdir dir of
+ NONE => (Posix.FileSys.closedir dir;
+ files)
+ | SOME fname =>
+ if String.isSuffix ".dtl" fname then
+ loop (OS.Path.joinDirFile {dir = Config.libRoot,
+ file = fname}
+ :: files)
+ else
+ loop files
+
+ val files = loop []
+ in
+ Autodoc.autodoc {outdir = outdir, infiles = files}
end
end
HCoop / hcoop / domtool2.git / blobdiff