X-Git-Url: https://sipb.mit.edu/gitweb.cgi/ikiwiki.git/blobdiff_plain/4a6ac6b485c7e6e312e42c3c609df693f5e531ec..338e49df1533e09a8ba3f1225f75a2bf4deaf4a8:/IkiWiki/Plugin/editpage.pm

diff --git a/IkiWiki/Plugin/editpage.pm b/IkiWiki/Plugin/editpage.pm
index df29bcc98..3d094c263 100644
--- a/IkiWiki/Plugin/editpage.pm
+++ b/IkiWiki/Plugin/editpage.pm
@@ -91,6 +91,9 @@ sub cgi_editpage ($$) {
 	# This untaint is safe because we check file_pruned and
 	# wiki_file_regexp.
 	my ($page)=$form->field('page')=~/$config{wiki_file_regexp}/;
+	if (! defined $page) {
+		error(gettext("bad page name"));
+	}
 	$page=possibly_foolish_untaint($page);
 	my $absolute=($page =~ s#^/+##); # absolute name used to force location
 	if (! defined $page || ! length $page ||
@@ -128,7 +131,8 @@ sub cgi_editpage ($$) {
 			# favor the type of linking page
 			$type=pagetype($pagesources{$from});
 		}
-		$type=$config{default_pageext} unless defined $type;
+		$type=$config{default_pageext}
+			if ! defined $type || $type=~/^_/; # not internal type
 		$file=newpagefile($page, $type);
 		if (! $form->submitted) {
 			$form->field(name => "rcsinfo", value => "", force => 1);