From cbb4c260c40779ba84c794dd68147c54f3de2f52 Mon Sep 17 00:00:00 2001
From: Ivan Kohler <ivan@freeside.biz>
Date: Fri, 1 Jun 2012 17:15:27 -0700
Subject: RT 3.8.13

---
 rt/lib/RT/Graph/Tickets.pm | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

(limited to 'rt/lib/RT/Graph')

diff --git a/rt/lib/RT/Graph/Tickets.pm b/rt/lib/RT/Graph/Tickets.pm
index cab429910..25cc1cbcb 100644
--- a/rt/lib/RT/Graph/Tickets.pm
+++ b/rt/lib/RT/Graph/Tickets.pm
@@ -104,7 +104,7 @@ EOT
 
 sub gv_escape($) {
     my $value = shift;
-    $value =~ s{(?=")}{\\}g;
+    $value =~ s{(?=["\\])}{\\}g;
     return $value;
 }
 
@@ -282,6 +282,14 @@ sub TicketLinks {
         ShowLinkDescriptions => 0,
         @_
     );
+
+    my %valid_links = map { $_ => 1 }
+        qw(Members MemberOf RefersTo ReferredToBy DependsOn DependedOnBy);
+
+    # Validate our link types
+    $args{ShowLinks}   = [ grep { $valid_links{$_} } @{$args{ShowLinks}} ];
+    $args{LeadingLink} = 'Members' unless $valid_links{ $args{LeadingLink} };
+
     unless ( $args{'Graph'} ) {
         $args{'Graph'} = GraphViz->new(
             name    => 'ticket_links_'. $args{'Ticket'}->id,
-- 
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