X-Git-Url: https://git.hcoop.net/hcoop/domtool2.git/blobdiff_plain/9f27d58f1ce0833bb5460d7ca612c74f378548a1..75585a67831244a20e460b7336d440d4cabe3b41:/src/main.sml

diff --git a/src/main.sml b/src/main.sml
index 8bb2d4e..0ddc508 100644
--- a/src/main.sml
+++ b/src/main.sml
@@ -167,6 +167,9 @@ fun eval' fname =
 val dispatcher =
     Config.dispatcher ^ ":" ^ Int.toString Config.dispatcherPort
 
+val self =
+    "localhost:" ^ Int.toString Config.slavePort
+
 fun requestContext f =
     let
 	val uid = Posix.ProcEnv.getuid ()
@@ -191,6 +194,13 @@ fun requestBio f =
 	(user, OpenSSL.connect (context, dispatcher))
     end
 
+fun requestSlaveBio () =
+    let
+	val (user, context) = requestContext (fn () => ())
+    in
+	(user, OpenSSL.connect (context, self))
+    end
+
 fun request fname =
     let
 	val (user, bio) = requestBio (fn () => ignore (check fname))
@@ -275,6 +285,15 @@ fun requestDir dname =
     end
     handle ErrorMsg.Error => ()
 
+fun requestPing () =
+    let
+	val (_, bio) = requestBio (fn () => ())
+    in
+	OpenSSL.close bio;
+	OS.Process.success
+    end
+    handle _ => OS.Process.failure
+
 fun requestShutdown () =
     let
 	val (_, bio) = requestBio (fn () => ())
@@ -290,6 +309,30 @@ fun requestShutdown () =
 	OpenSSL.close bio
     end
 
+fun requestSlavePing () =
+    let
+	val (_, bio) = requestSlaveBio ()
+    in
+	OpenSSL.close bio;
+	OS.Process.success
+    end
+    handle _ => OS.Process.failure
+
+fun requestSlaveShutdown () =
+    let
+	val (_, bio) = requestSlaveBio ()
+    in
+	Msg.send (bio, MsgShutdown);
+	case Msg.recv bio of
+	    NONE => print "Server closed connection unexpectedly.\n"
+	  | SOME m =>
+	    case m of
+		MsgOk => print "Shutdown begun.\n"
+	      | MsgError s => print ("Shutdown failed: " ^ s ^ "\n")
+	      | _ => print "Unexpected server reply.\n";
+	OpenSSL.close bio
+    end
+
 fun requestGrant acl =
     let
 	val (user, bio) = requestBio (fn () => ())
@@ -561,6 +604,31 @@ fun requestSmtpLog domain =
 	OpenSSL.close bio
     end
 
+fun requestApt {node, pkg} =
+    let
+	val (_, bio) = requestBio (fn () => ())
+
+	val _ = Msg.send (bio, MsgApt pkg)
+
+	fun loop () =
+	    case Msg.recv bio of
+		NONE => (print "Server closed connection unexpectedly.\n";
+			 OS.Process.failure)
+	      | SOME m =>
+		case m of
+		    MsgYes => (print "Package is installed.\n";
+			       OS.Process.success)
+		  | MsgNo => (print "Package is not installed.\n";
+			      OS.Process.failure)
+		  | MsgError s => (print ("APT query failed: " ^ s ^ "\n");
+				   OS.Process.failure)
+		  | _ => (print "Unexpected server reply.\n";
+			  OS.Process.failure)
+    in
+	loop ()
+	before OpenSSL.close bio
+    end
+
 fun regenerate context =
     let
 	val b = basis ()
@@ -622,6 +690,7 @@ fun regenerate context =
 	    end
 		handle IO.Io _ => ()
 		     | OS.SysErr (s, _) => print ("System error processing user " ^ user ^ ": " ^ s ^ "\n")
+		     | ErrorMsg.Error => print ("User " ^ user ^ " had a compilation error.\n")
     in
 	app contactNode Config.nodeIps;
 	Env.pre ();
@@ -641,6 +710,8 @@ fun rmuser user =
 	Domain.rmdom doms
     end
 
+fun now () = Date.toString (Date.fromTimeUniv (Time.now ()))
+
 fun service () =
     let
 	val () = Acl.read Config.aclFile
@@ -658,7 +729,7 @@ fun service () =
 	      | SOME bio =>
 		let
 		    val user = OpenSSL.peerCN bio
-		    val () = print ("\nConnection from " ^ user ^ " at " ^ Date.toString (Date.fromTimeUniv (Time.now ())) ^ "\n")
+		    val () = print ("\nConnection from " ^ user ^ " at " ^ now () ^ "\n")
 		    val () = Domain.setUser user
 
 		    fun doIt f cleanup =
@@ -745,10 +816,12 @@ fun service () =
 			      | MsgMultiConfig codes => doConfig codes
 
 			      | MsgShutdown =>
-				if Acl.query {user = user, class = "priv", value = "shutdown"} then
-				    print ("Domtool dispatcher shutting down at " ^ Date.toString (Date.fromTimeUniv (Time.now ())) ^ "\n")
+				if Acl.query {user = user, class = "priv", value = "all"}
+				   orelse Acl.query {user = user, class = "priv", value = "shutdown"} then
+				    print ("Domtool dispatcher shutting down at " ^ now () ^ "\n\n")
 				else
-				    (OpenSSL.close bio
+				    (print "Unauthorized shutdown command!\n";
+				     OpenSSL.close bio
 				     handle OpenSSL.OpenSSL _ => ();
 				     loop ())
 
@@ -982,6 +1055,15 @@ fun service () =
 					       NONE)))
 				(fn () => ())
 
+			      | MsgApt pkg =>
+				doIt (fn () => (Msg.send (bio, if Apt.installed pkg then
+								   MsgYes
+							       else
+								   MsgNo);
+						("User requested installation status of package " ^ pkg,
+						 NONE)))
+				(fn () => ())
+
 			      | _ =>
 				doIt (fn () => ("Unexpected command",
 						SOME "Unexpected command"))
@@ -1000,7 +1082,7 @@ fun service () =
 			    handle OpenSSL.OpenSSL _ => ();
 			    loop ())
     in
-	print ("Domtool dispatcher starting up at " ^ Date.toString (Date.fromTimeUniv (Time.now ())) ^ "\n");
+	print ("Domtool dispatcher starting up at " ^ now () ^ "\n");
 	print "Listening for connections....\n";
 	loop ();
 	OpenSSL.shutdown sock
@@ -1016,19 +1098,17 @@ fun slave () =
 
 	val sock = OpenSSL.listen (context, Config.slavePort)
 
+	val _ = print ("Slave server starting at " ^ now () ^ "\n")
+
 	fun loop () =
 	    case OpenSSL.accept sock of
 		NONE => ()
 	      | SOME bio =>
 		let
 		    val peer = OpenSSL.peerCN bio
-		    val () = print ("\nConnection from " ^ peer ^ "\n")
+		    val () = print ("\nConnection from " ^ peer ^ " at " ^ now () ^ "\n")
 		in
-		    if peer <> Config.dispatcherName then
-			(print "Not authorized!\n";
-			 OpenSSL.close bio;
-			 loop ())
-		    else let
+		    if peer = Config.dispatcherName then let
 			    fun loop' files =
 				case Msg.recv bio of
 				    NONE => print "Dispatcher closed connection unexpectedly\n"
@@ -1047,6 +1127,16 @@ fun slave () =
 			    OpenSSL.close bio;
 			    loop ()
 			end
+		    else if peer = "domtool" then
+			case Msg.recv bio of
+			    SOME MsgShutdown => (OpenSSL.close bio;
+						 print ("Shutting down at " ^ now () ^ "\n\n"))
+			  | _ => (OpenSSL.close bio;
+				  loop ())
+		    else
+			(print "Not authorized!\n";
+			 OpenSSL.close bio;
+			 loop ())
 		end handle OpenSSL.OpenSSL s =>
 			   (print ("OpenSSL error: "^ s ^ "\n");
 			    OpenSSL.close bio