Manage spamassassin preferences in shared space
[hcoop/domtool2.git] / src / main.sml
index cf53af0..50f5e97 100644 (file)
@@ -1,5 +1,6 @@
 (* HCoop Domtool (http://hcoop.sourceforge.net/)
  * Copyright (c) 2006-2009, Adam Chlipala
+ * Copyright (c) 2012,2013,2014 Clinton Ebadi <clinton@unknownlamer.org>
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
@@ -50,7 +51,7 @@ fun check' G fname =
                 ()
             else
                 Option.app (Unused.check G) (#3 prog);
-            Tycheck.checkFile G (Defaults.tInit prog) prog)
+            Tycheck.checkFile G prog)
     end
 
 fun basis () =
@@ -100,7 +101,7 @@ fun check G fname =
                    raise ErrorMsg.Error
                else
                    let
-                       val G' = Tycheck.checkFile G (Defaults.tInit prog) prog
+                       val G' = Tycheck.checkFile G prog
                    in
                        if !ErrorMsg.anyErrors then
                            raise ErrorMsg.Error
@@ -193,6 +194,8 @@ fun reduce G fname =
 
 (*(Defaults.eInit ())*)
 
+val toplevel = Env.initialDynEnvVals Reduce.reduceExp
+
 fun eval G evs fname =
     case reduce G fname of
        (G, SOME body') =>
@@ -200,14 +203,14 @@ fun eval G evs fname =
            raise ErrorMsg.Error
        else
            let
-               val evs' = Eval.exec' evs body'
+               val evs' = Eval.exec' (toplevel G, evs) body'
            in
                (G, evs')
            end
       | (G, NONE) => (G, evs)
 
 val dispatcher =
-    Config.dispatcher ^ ":" ^ Int.toString Config.dispatcherPort
+    Domain.nodeIp Config.dispatcherName ^ ":" ^ Int.toString Config.dispatcherPort
 
 val self =
     "localhost:" ^ Int.toString Config.slavePort
@@ -735,7 +738,9 @@ fun requestSmtpLog domain =
 
 fun requestMysqlFixperms () =
     let
-       val (_, bio) = requestBio (fn () => ())
+       val (_, context) = requestContext (fn () => ())
+       val bio = OpenSSL.connect true (context,
+                                       Config.Dbms.dbmsNode ^ ":" ^ Int.toString Config.slavePort)
     in
        Msg.send (bio, MsgMysqlFixperms);
        case Msg.recv bio of
@@ -751,7 +756,7 @@ fun requestMysqlFixperms () =
 fun requestApt {node, pkg} =
     let
        val (user, context) = requestContext (fn () => ())
-       val bio = OpenSSL.connect true (context, if node = Config.masterNode then
+       val bio = OpenSSL.connect true (context, if node = Config.dispatcherName then
                                                     dispatcher
                                                 else
                                                     Domain.nodeIp node ^ ":" ^ Int.toString Config.slavePort)
@@ -777,10 +782,42 @@ fun requestApt {node, pkg} =
        before OpenSSL.close bio
     end
 
+fun requestAptExists {node, pkg} =
+    let
+       val (user, context) = requestContext (fn () => ())
+       val bio = OpenSSL.connect true (context, if node = Config.dispatcherName then
+                                                    dispatcher
+                                                else
+                                                    Domain.nodeIp node ^ ":" ^ Int.toString Config.slavePort)
+
+       val _ = Msg.send (bio, MsgQuery (QAptExists pkg))
+
+       fun loop () =
+           case Msg.recv bio of
+               NONE => (print "Server closed connection unexpectedly.\n";
+                        OS.Process.failure)
+             | SOME m =>
+               case m of
+                   MsgAptQuery {section,description}  =>  (print "Package exists.\n";
+                                                           print ("Section: " ^ section ^ "\n");
+                                                           print ("Description: " ^ description ^ "\n");
+                                                           OS.Process.success)
+                 | MsgNo => (print "Package does not exist.\n";
+                             OS.Process.failure
+                            (* It might be the Wrong Thing (tm) to use MsgNo like this *))
+                 | MsgError s => (print ("APT existence query failed: " ^ s ^ "\n");
+                                  OS.Process.failure)
+                 | _ => (print "Unexpected server reply.\n";
+                         OS.Process.failure)
+    in
+       loop ()
+       before OpenSSL.close bio
+    end
+
 fun requestCron {node, uname} =
     let
        val (user, context) = requestContext (fn () => ())
-       val bio = OpenSSL.connect true (context, if node = Config.masterNode then
+       val bio = OpenSSL.connect true (context, if node = Config.dispatcherName then
                                                     dispatcher
                                                 else
                                                     Domain.nodeIp node ^ ":" ^ Int.toString Config.slavePort)
@@ -809,7 +846,7 @@ fun requestCron {node, uname} =
 fun requestFtp {node, uname} =
     let
        val (user, context) = requestContext (fn () => ())
-       val bio = OpenSSL.connect true (context, if node = Config.masterNode then
+       val bio = OpenSSL.connect true (context, if node = Config.dispatcherName then
                                                     dispatcher
                                                 else
                                                     Domain.nodeIp node ^ ":" ^ Int.toString Config.slavePort)
@@ -838,7 +875,7 @@ fun requestFtp {node, uname} =
 fun requestTrustedPath {node, uname} =
     let
        val (user, context) = requestContext (fn () => ())
-       val bio = OpenSSL.connect true (context, if node = Config.masterNode then
+       val bio = OpenSSL.connect true (context, if node = Config.dispatcherName then
                                                     dispatcher
                                                 else
                                                     Domain.nodeIp node ^ ":" ^ Int.toString Config.slavePort)
@@ -867,7 +904,7 @@ fun requestTrustedPath {node, uname} =
 fun requestSocketPerm {node, uname} =
     let
        val (user, context) = requestContext (fn () => ())
-       val bio = OpenSSL.connect true (context, if node = Config.masterNode then
+       val bio = OpenSSL.connect true (context, if node = Config.dispatcherName then
                                                     dispatcher
                                                 else
                                                     Domain.nodeIp node ^ ":" ^ Int.toString Config.slavePort)
@@ -898,12 +935,12 @@ fun requestSocketPerm {node, uname} =
 fun requestFirewall {node, uname} =
     let
        val (user, context) = requestContext (fn () => ())
-       val bio = OpenSSL.connect true (context, if node = Config.masterNode then
+       val bio = OpenSSL.connect true (context, if node = Config.dispatcherName then
                                                     dispatcher
                                                 else
                                                     Domain.nodeIp node ^ ":" ^ Int.toString Config.slavePort)
                  
-       val _ = Msg.send (bio, MsgQuery (QFirewall uname))
+       val _ = Msg.send (bio, MsgQuery (QFirewall {node = node, user = uname}))
 
        fun loop () =
            case Msg.recv bio of
@@ -952,6 +989,31 @@ fun requestReUsers () =
        OpenSSL.close bio
     end
 
+fun requestFirewallRegen node = 
+    let
+       val (user, context) = requestContext (fn () => ())
+       val bio = OpenSSL.connect true (context, Domain.nodeIp node ^ ":" ^ Int.toString Config.slavePort)
+       (* Only supporting on slave nodes *)
+                 
+       val _ = Msg.send (bio, MsgFirewallRegen)
+
+       fun handleResult () =
+           case Msg.recv bio of
+               NONE => (print "Server closed connection unexpectedly.\n";
+                        OS.Process.failure)
+             | SOME m =>
+               case m of
+                   MsgOk => (print "Firewall regenerated.\n";
+                             OS.Process.success)
+                 | MsgError s => (print ("Firewall regeneration failed: " ^ s ^ "\n");
+                                  OS.Process.failure)
+                 | _ => (print "Unexpected server reply.\n";
+                         OS.Process.failure)
+    in
+       handleResult()
+       before OpenSSL.close bio
+    end
+
 structure SS = StringSet
 
 fun domainList dname =
@@ -1031,7 +1093,7 @@ fun regenerateEither tc checker context =
        val ok = ref true
  
        fun contactNode (node, ip) =
-           if node = Config.defaultNode then
+           if node = Config.dispatcherName then
                Domain.resetLocal ()
            else let
                    val bio = OpenSSL.connect true (context,
@@ -1089,7 +1151,9 @@ fun regenerateEither tc checker context =
                             ok := false)
                        else
                            ();
-                       ignore (foldl checker' (basis (), Defaults.eInit ()) files)
+                       let val basis' = basis () in
+                           ignore (foldl checker' (basis', SM.empty) files)
+                       end
                    end
                else if String.isSuffix "_admin" user then
                    ()    
@@ -1157,20 +1221,24 @@ fun now () = Date.toString (Date.fromTimeUniv (Time.now ()))
 fun answerQuery q =
     case q of
        QApt pkg => if Apt.installed pkg then MsgYes else MsgNo
+      | QAptExists pkg => (case Apt.info pkg of
+                             SOME {section, description} => MsgAptQuery {section = section, description = description}
+                           | NONE => MsgNo)
       | QCron user => if Cron.allowed user then MsgYes else MsgNo
       | QFtp user => if Ftp.allowed user then MsgYes else MsgNo
       | QTrustedPath user => if TrustedPath.query user then MsgYes else MsgNo
       | QSocket user => MsgSocket (SocketPerm.query user)
-      | QFirewall user => MsgFirewall (Firewall.query user)
+      | QFirewall {node, user} => MsgFirewall (Firewall.query (node, user))
 
 fun describeQuery q =
     case q of
        QApt pkg => "Requested installation status of package " ^ pkg
+      | QAptExists pkg => "Requested if package " ^ pkg ^ " exists"
       | QCron user => "Asked about cron permissions for user " ^ user
       | QFtp user => "Asked about FTP permissions for user " ^ user
       | QTrustedPath user => "Asked about trusted path settings for user " ^ user
       | QSocket user => "Asked about socket permissions for user " ^ user
-      | QFirewall user => "Asked about firewall rules for user " ^ user
+      | QFirewall {node, user} => "Asked about firewall rules on " ^ node ^ " for user " ^ user
 
 fun doIt' loop bio f cleanup =
               ((case f () of
@@ -1250,7 +1318,9 @@ fun service () =
                                 end
                         in
                             doIt (fn () => (Env.pre ();
-                                            ignore (foldl doOne (basis (), Defaults.eInit ()) codes);
+                                            let val basis' = basis () in
+                                                ignore (foldl doOne (basis', SM.empty) codes)
+                                            end;
                                             Env.post ();
                                             Msg.send (bio, MsgOk);
                                             ("Configuration complete.", NONE)))
@@ -1482,6 +1552,7 @@ fun service () =
                                              NONE => ("User tried to set SA filtering for " ^ addr,
                                                       SOME "You aren't allowed to configure SA filtering for that recipient.")
                                            | SOME addr' => (SetSA.set (addr', b);
+                                                            SetSA.rebuild ();
                                                             Msg.send (bio, MsgOk);
                                                             ("Set SA filtering status for " ^ addr ^ " to "
                                                              ^ (if b then "ON" else "OFF"),
@@ -1505,18 +1576,6 @@ fun service () =
                                                 (describeQuery q,
                                                  NONE)))
                                      (fn () => ())
-
-                              | MsgMysqlFixperms =>
-                                (print "Starting mysql-fixperms\n";
-                                 doIt (fn () => if OS.Process.isSuccess
-                                                       (OS.Process.system "/usr/bin/sudo -H /afs/hcoop.net/common/etc/scripts/mysql-grant-table-drop") then
-                                                    ("Requested mysql-fixperms",
-                                                     NONE)
-                                                else
-                                                    ("Requested mysql-fixperms, but execution failed!",
-                                                     SOME "Script execution failed."))
-                                      (fn () => ()))
-
                               | MsgDescribe dom =>
                                 doIt (fn () => if not (Domain.validDomain dom) then
                                                    ("Requested description of invalid domain " ^ dom,
@@ -1633,6 +1692,10 @@ fun slave () =
                                                                 Msg.send (bio, MsgOk)
                                                             else
                                                                 Msg.send (bio, MsgError "userdb update failed"))
+                                      | MsgSaChanged => (if Slave.shell [Config.SpamAssassin.postReload] then
+                                                             Msg.send (bio, MsgOk)
+                                                         else
+                                                             Msg.send (bio, MsgError "Error reloading SpamAssassin addresses"))
                                       | _ => (print "Dispatcher sent unexpected command\n";
                                               Msg.send (bio, MsgError "Unexpected command"))
                         in
@@ -1745,6 +1808,30 @@ fun slave () =
                                                  ("Invalid database name " ^ user ^ "_" ^ dbname,
                                                   SOME ("Invalid database name " ^ dbname)))
                                          (fn () => ())
+                                  | MsgMysqlFixperms =>
+                                    (print "Starting mysql-fixperms\n";
+                                     doIt (fn () => if OS.Process.isSuccess
+                                                           (OS.Process.system "/usr/bin/sudo -H /afs/hcoop.net/common/etc/scripts/mysql-grant-table-drop") then
+                                                        ("Requested mysql-fixperms",
+                                                         NONE)
+                                                    else
+                                                        ("Requested mysql-fixperms, but execution failed!",
+                                                         SOME "Script execution failed."))
+                                          (fn () => ()))
+                                  | MsgFirewallRegen =>
+                                    doIt (fn () => (Acl.read Config.aclFile;
+                                                    if Acl.query {user = user, class = "priv", value = "all"} then
+                                                        if List.exists (fn x => x = host) Config.Firewall.firewallNodes then
+                                                            if (Firewall.generateFirewallConfig (Firewall.parseRules ()) andalso Firewall.publishConfig ())
+                                                            then
+                                                                ("Firewall rules regenerated.", NONE)
+                                                            else
+                                                               ("Rules regeneration failed!", SOME "Script execution failed.")
+                                                       else ("Node not controlled by domtool firewall.", SOME (host))
+                                                    else
+                                                        ("Not authorized to regenerate firewall.", SOME ("Unauthorized user " ^ user ^ " attempted to regenerated firewall"))))
+                                         (fn () => ())
+
                                   | _ => (OpenSSL.close bio;
                                           loop ())
                         end