--- loncom/interface/loncommon.pm	2008/09/04 22:06:27	1.679
+++ loncom/interface/loncommon.pm	2008/09/11 21:05:19	1.685
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # a pile of common routines
 #
-# $Id: loncommon.pm,v 1.679 2008/09/04 22:06:27 riegler Exp $
+# $Id: loncommon.pm,v 1.685 2008/09/11 21:05:19 tempelho Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -61,6 +61,7 @@ use POSIX qw(strftime mktime);
 use Apache::lonmenu();
 use Apache::lonenc();
 use Apache::lonlocal;
+use Apache::lonnet();
 use HTML::Entities;
 use Apache::lonhtmlcommon();
 use Apache::loncoursedata();
@@ -1507,9 +1508,9 @@ sub create_text_file {
     $fh = Apache::File->new('>/home/httpd'.$filename);
     if (! defined($fh)) {
         $r->log_error("Couldn't open $filename for output $!");
-        $r->print("Problems occured in creating the output file.  ".
-                  "This error has been logged.  ".
-                  "Please alert your LON-CAPA administrator.");
+        $r->print(&mt('Problems occurred in creating the output file. '
+                     .'This error has been logged. '
+                     .'Please alert your LON-CAPA administrator.'));
     }
     return ($fh,$filename)
 }
@@ -3747,6 +3748,60 @@ sub blocking_status {
 
 ###############################################
 
+sub check_ip_acc {
+    my ($acc)=@_;
+    &Apache::lonxml::debug("acc is $acc");
+    if (!defined($acc) || $acc =~ /^\s*$/ || $acc =~/^\s*no\s*$/i) {
+        return 1;
+    }
+    my $allowed=0;
+    my $ip=$env{'request.host'} || $ENV{'REMOTE_ADDR'};
+
+    my $name;
+    foreach my $pattern (split(',',$acc)) {
+        $pattern =~ s/^\s*//;
+        $pattern =~ s/\s*$//;
+        if ($pattern =~ /\*$/) {
+            #35.8.*
+            $pattern=~s/\*//;
+            if ($ip =~ /^\Q$pattern\E/) { $allowed=1; }
+        } elsif ($pattern =~ /(\d+\.\d+\.\d+)\.\[(\d+)-(\d+)\]$/) {
+            #35.8.3.[34-56]
+            my $low=$2;
+            my $high=$3;
+            $pattern=$1;
+            if ($ip =~ /^\Q$pattern\E/) {
+                my $last=(split(/\./,$ip))[3];
+                if ($last <=$high && $last >=$low) { $allowed=1; }
+            }
+        } elsif ($pattern =~ /^\*/) {
+            #*.msu.edu
+            $pattern=~s/\*//;
+            if (!defined($name)) {
+                use Socket;
+                my $netaddr=inet_aton($ip);
+                ($name)=gethostbyaddr($netaddr,AF_INET);
+            }
+            if ($name =~ /\Q$pattern\E$/i) { $allowed=1; }
+        } elsif ($pattern =~ /\d+\.\d+\.\d+\.\d+/) {
+            #127.0.0.1
+            if ($ip =~ /^\Q$pattern\E/) { $allowed=1; }
+        } else {
+            #some.name.com
+            if (!defined($name)) {
+                use Socket;
+                my $netaddr=inet_aton($ip);
+                ($name)=gethostbyaddr($netaddr,AF_INET);
+            }
+            if ($name =~ /\Q$pattern\E$/i) { $allowed=1; }
+        }
+        if ($allowed) { last; }
+    }
+    return $allowed;
+}
+
+###############################################
+
 =pod
 
 =head1 Domain Template Functions
@@ -4493,7 +4548,6 @@ table.LC_docs_path td.LC_docs_path_compo
 td.LC_table_cell_checkbox {
   text-align: center;
 }
-
 table#LC_mainmenu td.LC_mainmenu_column {
     vertical-align: top;
 }
@@ -4507,7 +4561,7 @@ table#LC_mainmenu td.LC_mainmenu_column
 .LC_menubuttons_link {
   text-decoration: none;
 }
-
+#2008--9-5: new menu style sheet.Changed category
 .LC_menubuttons_category {
   color: $font;
   background: $pgbg;
@@ -5364,6 +5418,28 @@ img.stift{
   border-width:0;
   vertical-align:middle;
 }
+
+table#LC_mainmenu{
+ margin-top:10px;
+ width:80%;
+
+}
+
+table#LC_mainmenu td.LC_mainmenu_col_fieldset{
+  vertical-align: top;
+  width: 45%;
+}
+.LC_mainmenu_fieldset_category {
+  color: $font;
+  background: $pgbg;
+  font-family: $sans;
+  font-size: small;
+  font-weight: bold;
+}
+fieldset#LC_mainmenu_fieldset {
+  margin:0px 10px 10px 0px;
+
+}
 END
 }
 
@@ -9269,7 +9345,7 @@ sub init_user_environment {
 	}
 # Give them a new cookie
 	my $id = ($args->{'robot'} ? 'robot'.$args->{'robot'}
-		                   : $now);
+		                   : $now.$$.int(rand(10000)));
 	$cookie="$username\_$id\_$domain\_$authhost";
     
 # Initialize roles
@@ -9392,6 +9468,44 @@ sub _add_to_env {
     }
 }
 
+# --- Get the symbolic name of a problem and the url
+sub get_symb {
+    my ($request,$silent) = @_;
+    (my $url=$env{'form.url'}) =~ s-^http://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--;
+    my $symb=($env{'form.symb'} ne '' ? $env{'form.symb'} : (&Apache::lonnet::symbread($url)));
+    if ($symb eq '') {
+        if (!$silent) {
+            $request->print("Unable to handle ambiguous references:$url:.");
+            return ();
+        }
+    }
+    &Apache::lonenc::check_decrypt(\$symb);
+    return ($symb);
+}
+
+# --------------------------------------------------------------Get annotation
+
+sub get_annotation {
+    my ($symb,$enc) = @_;
+
+    my $key = $symb;
+    if (!$enc) {
+        $key =
+            &Apache::lonnet::clutter((&Apache::lonnet::decode_symb($symb))[2]);
+    }
+    my %annotation=&Apache::lonnet::get('nohist_annotations',[$key]);
+    return $annotation{$key};
+}
+
+sub clean_symb {
+    my ($symb) = @_;
+
+    &Apache::lonenc::check_decrypt(\$symb);
+    my $enc = $env{'request.enc'};
+    delete($env{'request.enc'});
+
+    return ($symb,$enc);
+}
 
 =pod