--- loncom/lonnet/perl/lonnet.pm	2000/01/13 14:48:36	1.8
+++ loncom/lonnet/perl/lonnet.pm	2000/01/14 21:12:40	1.9
@@ -46,8 +46,8 @@ sub subreply {
        or return "con_lost";
     print $client "$cmd\n";
     my $answer=<$client>;
-    chomp($answer);
     if (!$answer) { $answer="con_lost"; }
+    chomp($answer);
     return $answer;
 }
 
@@ -144,8 +144,10 @@ sub appenv {
     }
     for (my $i=0; $i<=$#oldenv; $i++) {
         chomp($oldenv[$i]);
-        my ($name,$value)=split(/=/,$oldenv[$i]);
-	$newenv{$name}=$value;
+        if ($oldenv[$i] ne '') {
+           my ($name,$value)=split(/=/,$oldenv[$i]);
+	   $newenv{$name}=$value;
+        }
     }
     {
      my $fh;
@@ -183,8 +185,14 @@ sub authenticate {
         ($udom eq $perlvar{'lonDefDomain'})) {
     my $answer=reply("encrypt:auth:$udom:$uname:$upass",$perlvar{'lonHostID'});
         if ($answer =~ /authorized/) {
-              if ($answer eq 'authorized') { return $perlvar{'lonHostID'}; }
-              if ($answer eq 'non_authorized') { return 'no_host'; }
+              if ($answer eq 'authorized') {
+                 &logthis("User $uname at $udom authorized by local server"); 
+                 return $perlvar{'lonHostID'}; 
+              }
+              if ($answer eq 'non_authorized') {
+                 &logthis("User $uname at $udom rejected by local server"); 
+                 return 'no_host'; 
+              }
 	}
     }
 
@@ -193,10 +201,18 @@ sub authenticate {
 	if ($hostdom{$tryserver} eq $udom) {
            my $answer=reply("enc:auth:$udom:$uname:$upass",$tryserver);
            if ($answer =~ /authorized/) {
-              if ($answer eq 'authorized') { return $tryserver; } 
+              if ($answer eq 'authorized') {
+                 &logthis("User $uname at $udom authorized by $tryserver"); 
+                 return $tryserver; 
+              }
+              if ($answer eq 'non_authorized') {
+                 &logthis("User $uname at $udom rejected by $tryserver");
+                 return 'no_host';
+              } 
 	   }
        }
-    }    
+    }
+    &logthis("User $uname at $udom could not be authenticated");    
     return 'no_host';
 }
 
@@ -223,12 +239,10 @@ sub homeserver {
 # ----------------------------- Subscribe to a resource, return URL if possible
 sub subscribe {
     my $fname=shift;
-    &logthis($fname);
     my $author=$fname;
     $author=~s/\/home\/httpd\/html\/res\/([^\/]*)\/([^\/]*).*/$1\/$2/;
     my ($udom,$uname)=split(/\//,$author);
     my $home=homeserver($uname,$udom);
-    &logthis("$home $udom $uname");
     if (($home eq 'no_host') || ($home eq $perlvar{'lonHostID'})) { 
         return 'not_found'; 
     }
@@ -271,16 +285,29 @@ sub repcopy {
            if ($response->is_error()) {
 	       unlink($transname);
                my $message=$response->status_line;
-               $r->log_reason("LWP GET: $message",$filename);
+               &logthis("LWP GET: $message: $filename");
                return HTTP_SERVICE_UNAVAILABLE;
            } else {
                rename($transname,$filename);
-               $r->filename($filename);
                return OK;
            }
     }
 }
 
+# ----------------------------------------------------------------------- Store
+
+sub store {
+    my %storehash=shift;
+    my $command="store:$ENV{'user.domain'}:$ENV{'user.name'}:"
+               ."$ENV{'user.class'}:$ENV{'request.filename'}:";
+}
+
+# --------------------------------------------------------------------- Restore
+
+sub restore {
+    my $command="restore:$ENV{'user.domain'}:$ENV{'user.name'}:"
+               ."$ENV{'user.class'}:$ENV{'request.filename'}:";
+}
 
 # ================================================================ Main Program