sub gitweb_check_feature {
my ($name) = @_;
- return undef unless exists $feature{$name};
+ return unless exists $feature{$name};
my ($sub, $override, @defaults) = (
$feature{$name}{'sub'},
$feature{$name}{'override'},
}
}
+# parameters which are pathnames
our $project = $cgi->param('p');
if (defined $project) {
- if (!validate_input($project) ||
+ if (!validate_pathname($project) ||
!(-d "$projectroot/$project") ||
!(-e "$projectroot/$project/HEAD") ||
($export_ok && !(-e "$projectroot/$project/$export_ok")) ||
}
}
-# We have to handle those containing any characters:
our $file_name = $cgi->param('f');
+if (defined $file_name) {
+ if (!validate_pathname($file_name)) {
+ die_error(undef, "Invalid file parameter");
+ }
+}
+
our $file_parent = $cgi->param('fp');
+if (defined $file_parent) {
+ if (!validate_pathname($file_parent)) {
+ die_error(undef, "Invalid file parent parameter");
+ }
+}
+# parameters which are refnames
our $hash = $cgi->param('h');
if (defined $hash) {
- if (!validate_input($hash)) {
+ if (!validate_refname($hash)) {
die_error(undef, "Invalid hash parameter");
}
}
our $hash_parent = $cgi->param('hp');
if (defined $hash_parent) {
- if (!validate_input($hash_parent)) {
+ if (!validate_refname($hash_parent)) {
die_error(undef, "Invalid hash parent parameter");
}
}
our $hash_base = $cgi->param('hb');
if (defined $hash_base) {
- if (!validate_input($hash_base)) {
+ if (!validate_refname($hash_base)) {
die_error(undef, "Invalid hash base parameter");
}
}
our $hash_parent_base = $cgi->param('hpb');
if (defined $hash_parent_base) {
- if (!validate_input($hash_parent_base)) {
+ if (!validate_refname($hash_parent_base)) {
die_error(undef, "Invalid hash parent base parameter");
}
}
+# other parameters
our $page = $cgi->param('pg');
if (defined $page) {
if ($page =~ m/[^0-9]/) {
$project =~ s,/*[^/]*$,,;
}
# validate project
- $project = validate_input($project);
+ $project = validate_pathname($project);
if (!$project ||
($export_ok && !-e "$projectroot/$project/$export_ok") ||
($strict_export && !project_in_list($project))) {
} else {
$action ||= "blob_plain";
}
- $hash_base ||= validate_input($refname);
- $file_name ||= $pathname;
+ $hash_base ||= validate_refname($refname);
+ $file_name ||= validate_pathname($pathname);
} elsif (defined $refname) {
# we got "project.git/branch"
$action ||= "shortlog";
- $hash ||= validate_input($refname);
+ $hash ||= validate_refname($refname);
}
}
evaluate_path_info();
## ======================================================================
## validation, quoting/unquoting and escaping
-sub validate_input {
- my $input = shift;
+sub validate_pathname {
+ my $input = shift || return undef;
- if ($input =~ m/^[0-9a-fA-F]{40}$/) {
- return $input;
+ # no '.' or '..' as elements of path, i.e. no '.' nor '..'
+ # at the beginning, at the end, and between slashes.
+ # also this catches doubled slashes
+ if ($input =~ m!(^|/)(|\.|\.\.)(/|$)!) {
+ return undef;
}
- if ($input =~ m/(^|\/)(|\.|\.\.)($|\/)/) {
+ # no null characters
+ if ($input =~ m!\0!) {
return undef;
}
- if ($input =~ m/[^a-zA-Z0-9_\x80-\xff\ \t\.\/\-\+\#\~\%]/) {
+ return $input;
+}
+
+sub validate_refname {
+ my $input = shift || return undef;
+
+ # textual hashes are O.K.
+ if ($input =~ m/^[0-9a-fA-F]{40}$/) {
+ return $input;
+ }
+ # it must be correct pathname
+ $input = validate_pathname($input)
+ or return undef;
+ # restrictions on ref name according to git-check-ref-format
+ if ($input =~ m!(/\.|\.\.|[\000-\040\177 ~^:?*\[]|/$)!) {
return undef;
}
return $input;
return $str;
}
+# 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;
+ $str =~ s/ /\+/g;
+ return $str;
+}
+
# replace invalid utf8 character with SUBSTITUTION sequence
sub esc_html {
my $str = shift;
if (length($short) < length($long)) {
return $cgi->a({-href => $href, -class => "list subject",
- -title => $long},
+ -title => decode("utf8", $long, Encode::FB_DEFAULT)},
esc_html($short) . $extra);
} else {
return $cgi->a({-href => $href, -class => "list subject"},
my $path = shift || return undef;
my $type = shift;
- my $tree = $base;
+ $path =~ s,/+$,,;
open my $fd, "-|", git_cmd(), "ls-tree", $base, "--", $path
or die_error(undef, "Open git-ls-tree failed");
# 'git%2Fgit.git Linus+Torvalds'
# 'libs%2Fklibc%2Fklibc.git H.+Peter+Anvin'
# 'linux%2Fhotplug%2Fudev.git Greg+Kroah-Hartman'
- open my ($fd), $projects_list or return undef;
+ open my ($fd), $projects_list or return;
while (my $line = <$fd>) {
chomp $line;
my ($path, $owner) = split ' ', $line;
"<a href=\"http://www.kernel.org/pub/software/scm/git/docs/\" title=\"git documentation\">" .
"<img src=\"$logo\" width=\"72\" height=\"27\" alt=\"git\" style=\"float:right; border-width:0px;\"/>" .
"</a>\n";
- print $cgi->a({-href => esc_param($home_link)}, $home_link_str) . " / ";
+ print $cgi->a({-href => esc_url($home_link)}, $home_link_str) . " / ";
if (defined $project) {
print $cgi->a({-href => href(action=>"summary")}, esc_html($project));
if (defined $action) {
my %base_key = ();
$base_key{hash_base} = $hash_base if defined $hash_base;
+ # The format of a table row is: mode list link. Where mode is
+ # the mode of the entry, list is the name of the entry, an href,
+ # and link is the action links of the entry.
+
print "<td class=\"mode\">" . mode_str($t->{'mode'}) . "</td>\n";
if ($t->{'type'} eq "blob") {
print "<td class=\"list\">" .
- $cgi->a({-href => href(action=>"blob", hash=>$t->{'hash'},
- file_name=>"$basedir$t->{'name'}", %base_key),
- -class => "list"}, esc_html($t->{'name'})) .
- "</td>\n" .
- "<td class=\"link\">" .
- $cgi->a({-href => href(action=>"blob", hash=>$t->{'hash'},
- file_name=>"$basedir$t->{'name'}", %base_key)},
- "blob");
+ $cgi->a({-href => href(action=>"blob", hash=>$t->{'hash'},
+ file_name=>"$basedir$t->{'name'}", %base_key),
+ -class => "list"}, esc_html($t->{'name'})) . "</td>\n";
+ print "<td class=\"link\">";
if ($have_blame) {
- print " | " .
- $cgi->a({-href => href(action=>"blame", hash=>$t->{'hash'},
- file_name=>"$basedir$t->{'name'}", %base_key)},
- "blame");
+ print $cgi->a({-href => href(action=>"blame", hash=>$t->{'hash'},
+ file_name=>"$basedir$t->{'name'}", %base_key)},
+ "blame");
}
if (defined $hash_base) {
- print " | " .
- $cgi->a({-href => href(action=>"history", hash_base=>$hash_base,
+ if ($have_blame) {
+ print " | ";
+ }
+ print $cgi->a({-href => href(action=>"history", hash_base=>$hash_base,
hash=>$t->{'hash'}, file_name=>"$basedir$t->{'name'}")},
"history");
}
print " | " .
$cgi->a({-href => href(action=>"blob_plain",
hash=>$t->{'hash'}, file_name=>"$basedir$t->{'name'}")},
- "raw") .
- "</td>\n";
+ "raw");
+ print "</td>\n";
} elsif ($t->{'type'} eq "tree") {
- print "<td class=\"list\">" .
- $cgi->a({-href => href(action=>"tree", hash=>$t->{'hash'},
+ print "<td class=\"list\">";
+ print $cgi->a({-href => href(action=>"tree", hash=>$t->{'hash'},
file_name=>"$basedir$t->{'name'}", %base_key)},
- esc_html($t->{'name'})) .
- "</td>\n" .
- "<td class=\"link\">" .
- $cgi->a({-href => href(action=>"tree", hash=>$t->{'hash'},
- file_name=>"$basedir$t->{'name'}", %base_key)},
- "tree");
+ esc_html($t->{'name'}));
+ print "</td>\n";
+ print "<td class=\"link\">";
if (defined $hash_base) {
- print " | " .
- $cgi->a({-href => href(action=>"history", hash_base=>$hash_base,
+ print $cgi->a({-href => href(action=>"history", hash_base=>$hash_base,
file_name=>"$basedir$t->{'name'}")},
"history");
}
print $cgi->header(
-type => 'text/plain',
-charset => 'utf-8',
- -content_disposition => qq(inline; filename="index.aux"));
+ -content_disposition => 'inline; filename="index.aux"');
foreach my $pr (@projects) {
if (!exists $pr->{'owner'}) {
print $cgi->header(
-type => "$type",
-expires=>$expires,
- -content_disposition => "inline; filename=\"$save_as\"");
+ -content_disposition => 'inline; filename="' . quotemeta($save_as) . '"');
undef $/;
binmode STDOUT, ':raw';
print <$fd>;
my $filename = basename($project) . "-$hash.tar.$suffix";
- print $cgi->header(-type => 'application/x-tar',
- -content_encoding => $ctype,
- -content_disposition => "inline; filename=\"$filename\"",
- -status => '200 OK');
+ print $cgi->header(
+ -type => 'application/x-tar',
+ -content_encoding => $ctype,
+ -content_disposition => 'inline; filename="' . quotemeta($filename) . '"',
+ -status => '200 OK');
my $git_command = git_cmd_str();
open my $fd, "-|", "$git_command tar-tree $hash \'$project\' | $command" or
-type => 'text/plain',
-charset => 'utf-8',
-expires => $expires,
- -content_disposition => qq(inline; filename=") . quotemeta($file_name) . qq(.patch"));
+ -content_disposition => 'inline; filename="' . quotemeta($file_name) . '.patch"');
print "X-Git-Url: " . $cgi->self_url() . "\n\n";
-type => 'text/plain',
-charset => 'utf-8',
-expires => $expires,
- -content_disposition => qq(inline; filename="$filename"));
+ -content_disposition => 'inline; filename="' . quotemeta($filename) . '"');
my %ad = parse_date($co{'author_epoch'}, $co{'author_tz'});
print <<TEXT;
From: $co{'author'}
Lady’s Gitweb / Gitweb / blobdiff