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-rwxr-xr-xgitweb/gitweb.perl14
1 files changed, 10 insertions, 4 deletions
diff --git a/gitweb/gitweb.perl b/gitweb/gitweb.perl
index f1d8579..b51f5bf 100755
--- a/gitweb/gitweb.perl
+++ b/gitweb/gitweb.perl
@@ -1150,6 +1150,7 @@ sub validate_refname {
# in utf-8 thanks to "binmode STDOUT, ':utf8'" at beginning
sub to_utf8 {
my $str = shift;
+ return undef unless defined $str;
if (utf8::valid($str)) {
utf8::decode($str);
return $str;
@@ -1162,6 +1163,7 @@ sub to_utf8 {
# correct, but quoted slashes look too horrible in bookmarks
sub esc_param {
my $str = shift;
+ return undef unless defined $str;
$str =~ s/([^A-Za-z0-9\-_.~()\/:@ ]+)/CGI::escape($1)/eg;
$str =~ s/ /\+/g;
return $str;
@@ -1170,8 +1172,8 @@ sub esc_param {
# quote unsafe chars in whole URL, so some charactrs cannot be quoted
sub esc_url {
my $str = shift;
- $str =~ s/([^A-Za-z0-9\-_.~();\/;?:@&=])/sprintf("%%%02X", ord($1))/eg;
- $str =~ s/\+/%2B/g;
+ return undef unless defined $str;
+ $str =~ s/([^A-Za-z0-9\-_.~();\/;?:@&= ]+)/CGI::escape($1)/eg;
$str =~ s/ /\+/g;
return $str;
}
@@ -1188,6 +1190,8 @@ sub esc_html {
my $str = shift;
my %opts = @_;
+ return undef unless defined $str;
+
$str = to_utf8($str);
$str = $cgi->escapeHTML($str);
if ($opts{'-nbsp'}) {
@@ -1202,6 +1206,8 @@ sub esc_path {
my $str = shift;
my %opts = @_;
+ return undef unless defined $str;
+
$str = to_utf8($str);
$str = $cgi->escapeHTML($str);
if ($opts{'-nbsp'}) {
@@ -3388,7 +3394,7 @@ sub git_footer_html {
"</html>";
}
-# die_error(<http_status_code>, <error_message>)
+# die_error(<http_status_code>, <error_message>[, <detailed_html_description>])
# Example: die_error(404, 'Hash not found')
# By convention, use the following status codes (as defined in RFC 2616):
# 400: Invalid or missing CGI parameters, or
@@ -3403,7 +3409,7 @@ sub git_footer_html {
# or down for maintenance). Generally, this is a temporary state.
sub die_error {
my $status = shift || 500;
- my $error = shift || "Internal server error";
+ my $error = esc_html(shift) || "Internal Server Error";
my $extra = shift;
my %http_responses = (