--- loncom/lonnet/perl/lonnet.pm	2004/03/19 16:48:37	1.459.2.4
+++ loncom/lonnet/perl/lonnet.pm	2004/01/26 21:58:34	1.464
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # TCP networking package
 #
-# $Id: lonnet.pm,v 1.459.2.4 2004/03/19 16:48:37 albertel Exp $
+# $Id: lonnet.pm,v 1.464 2004/01/26 21:58:34 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -2127,6 +2127,36 @@ sub coursedescription {
     return %returnhash;
 }
 
+# -------------------------------------------------See if a user is privileged
+
+sub privileged {
+    my ($username,$domain)=@_;
+    my $rolesdump=&reply("dump:$domain:$username:roles",
+			&homeserver($username,$domain));
+    if (($rolesdump eq 'con_lost') || ($rolesdump eq '')) { return 0; }
+    my $now=time;
+    if ($rolesdump ne '') {
+        foreach (split(/&/,$rolesdump)) {
+	    if ($_!~/^rolesdef\&/) {
+		my ($area,$role)=split(/=/,$_);
+		$area=~s/\_\w\w$//;
+		my ($trole,$tend,$tstart)=split(/_/,$role);
+		if (($trole eq 'dc') || ($trole eq 'su')) {
+		    my $active=1;
+		    if ($tend) {
+			if ($tend<$now) { $active=0; }
+		    }
+		    if ($tstart) {
+			if ($tstart>$now) { $active=0; }
+		    }
+		    if ($active) { return 1; }
+		}
+	    }
+	}
+    }
+    return 0;
+}
+
 # -------------------------------------------------------- Get user privileges
 
 sub rolesinit {
@@ -4015,7 +4045,7 @@ sub metadata_generate_part0 {
       my $olddis=$$metacache{':parameter_'.$allnames{$name}.'_'.$name.
 			     '.display'};
       my $expr='\\[Part: '.$allnames{$name}.'\\]';
-      $olddis=~s/\Q$expr\E/\[Part: 0\]/;
+      $olddis=~s/$expr/\[Part: 0\]/;
       $$metacache{"$key.display"}=$olddis;
     }
 }
@@ -4443,41 +4473,19 @@ sub filelocation {
 
 sub hreflocation {
     my ($dir,$file)=@_;
-    unless (($file=~/^http:\/\//i) || ($file=~/^\//)) {
-       my $finalpath=filelocation($dir,$file);
-       $finalpath=~s/^\/home\/httpd\/html//;
-       $finalpath=~s-/home/(\w+)/public_html/-/~$1/-;
-       return $finalpath;
-    } else {
-       return $file;
+    unless (($file=~m-^http://-i) || ($file=~m-^/-)) {
+	my $finalpath=filelocation($dir,$file);
+	$finalpath=~s-^/home/httpd/html--;
+	$finalpath=~s-^/home/(\w+)/public_html/-/~$1/-;
+	return $finalpath;
+    } elsif ($file=~m-^/home-) {
+	$file=~s-^/home/httpd/html--;
+	$file=~s-^/home/(\w+)/public_html/-/~$1/-;
+	return $file;
     }
+    return $file;
 }
 
-
-sub current_machine_domains {
-    my $hostname=$hostname{$perlvar{'lonHostID'}};
-    my @domains;
-    while( my($id, $name) = each(%hostname)) {
-	&logthis("-$id-$name-$hostname-");
-	if ($hostname eq $name) {
-	    push(@domains,$hostdom{$id});
-	}
-    }
-    return @domains;
-}
-
-sub current_machine_ids {
-    my $hostname=$hostname{$perlvar{'lonHostID'}};
-    my @ids;
-    while( my($id, $name) = each(%hostname)) {
-	&logthis("-$id-$name-$hostname-");
-	if ($hostname eq $name) {
-	    push(@ids,$id);
-	}
-    }
-    return @ids;
-}
-  
 # ------------------------------------------------------------- Declutters URLs
 
 sub declutter {