Allow DOMTOOL_USER environment variable, to specify Domtool identity

[hcoop/domtool2.git] / src / main.sml

diff --git a/src/main.sml b/src/main.sml
index 05bce83..0be3112 100644 (file)
--- a/src/main.sml
+++ b/src/main.sml
@@ -172,8 +172,15 @@ val self =
 
 fun requestContext f =
     let
-       val uid = Posix.ProcEnv.getuid ()
-       val user = Posix.SysDB.Passwd.name (Posix.SysDB.getpwuid uid)
+       val user =
+           case Posix.ProcEnv.getenv "DOMTOOL_USER" of
+               NONE =>
+               let
+                   val uid = Posix.ProcEnv.getuid ()
+               in
+                   Posix.SysDB.Passwd.name (Posix.SysDB.getpwuid uid)
+               end
+             | SOME user => user
                   
        val () = Acl.read Config.aclFile
        val () = Domain.setUser user
@@ -691,6 +698,93 @@ fun requestFtp {node, uname} =
        before OpenSSL.close bio
     end
 
+fun requestTrustedPath {node, uname} =
+    let
+       val (user, context) = requestContext (fn () => ())
+       val bio = OpenSSL.connect (context, if node = Config.masterNode then
+                                               dispatcher
+                                           else
+                                               Domain.nodeIp node ^ ":" ^ Int.toString Config.slavePort)
+
+       val _ = Msg.send (bio, MsgQuery (QTrustedPath uname))
+
+       fun loop () =
+           case Msg.recv bio of
+               NONE => (print "Server closed connection unexpectedly.\n";
+                        OS.Process.failure)
+             | SOME m =>
+               case m of
+                   MsgYes => (print "User has trusted path restriction.\n";
+                              OS.Process.success)
+                 | MsgNo => (print "User does not have trusted path restriction.\n";
+                             OS.Process.failure)
+                 | MsgError s => (print ("Trusted path query failed: " ^ s ^ "\n");
+                                  OS.Process.failure)
+                 | _ => (print "Unexpected server reply.\n";
+                         OS.Process.failure)
+    in
+       loop ()
+       before OpenSSL.close bio
+    end
+
+fun requestSocketPerm {node, uname} =
+    let
+       val (user, context) = requestContext (fn () => ())
+       val bio = OpenSSL.connect (context, if node = Config.masterNode then
+                                               dispatcher
+                                           else
+                                               Domain.nodeIp node ^ ":" ^ Int.toString Config.slavePort)
+
+       val _ = Msg.send (bio, MsgQuery (QSocket uname))
+
+       fun loop () =
+           case Msg.recv bio of
+               NONE => (print "Server closed connection unexpectedly.\n";
+                        OS.Process.failure)
+             | SOME m =>
+               case m of
+                   MsgSocket p => (case p of
+                                       Any => print "Any\n"
+                                     | Client => print "Client\n"
+                                     | Server => print "Server\n"
+                                     | Nada => print "Nada\n";
+                                   OS.Process.success)
+                 | MsgError s => (print ("Socket permission query failed: " ^ s ^ "\n");
+                                  OS.Process.failure)
+                 | _ => (print "Unexpected server reply.\n";
+                         OS.Process.failure)
+    in
+       loop ()
+       before OpenSSL.close bio
+    end
+
+fun requestFirewall {node, uname} =
+    let
+       val (user, context) = requestContext (fn () => ())
+       val bio = OpenSSL.connect (context, if node = Config.masterNode then
+                                               dispatcher
+                                           else
+                                               Domain.nodeIp node ^ ":" ^ Int.toString Config.slavePort)
+
+       val _ = Msg.send (bio, MsgQuery (QFirewall uname))
+
+       fun loop () =
+           case Msg.recv bio of
+               NONE => (print "Server closed connection unexpectedly.\n";
+                        OS.Process.failure)
+             | SOME m =>
+               case m of
+                   MsgFirewall ls => (app (fn s => (print s; print "\n")) ls;
+                                      OS.Process.success)
+                 | MsgError s => (print ("Firewall 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 ()
@@ -779,12 +873,18 @@ fun answerQuery q =
        QApt pkg => if Apt.installed pkg then MsgYes else 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)
 
 fun describeQuery q =
     case q of
        QApt pkg => "Requested installation status of package " ^ pkg
       | 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
 
 fun service () =
     let