X-Git-Url: https://git.ladys.computer/Gitweb/blobdiff_plain/cc9317038d98be2d64e1bd7215a0cc64d13a06ab033b10f18d83e1f9fe2a7f18..ed240940fc15dacdeb5ece802bff485665f5df1bf94cc8bfc6b2b8b14407a039:/gitweb.perl diff --git a/gitweb.perl b/gitweb.perl index a147659..b92d539 100755 --- a/gitweb.perl +++ b/gitweb.perl @@ -41,16 +41,27 @@ our $home_link_str = "++GITWEB_HOME_LINK_STR++"; # replace this with something more descriptive for clearer bookmarks our $site_name = "++GITWEB_SITENAME++" || $ENV{'SERVER_NAME'} || "Untitled"; +# filename of html text to include at top of each page +our $site_header = "++GITWEB_SITE_HEADER++"; # html text to include at home page our $home_text = "++GITWEB_HOMETEXT++"; +# filename of html text to include at bottom of each page +our $site_footer = "++GITWEB_SITE_FOOTER++"; + +# URI of stylesheets +our @stylesheets = ("++GITWEB_CSS++"); +our $stylesheet; +# default is not to define style sheet, but it can be overwritten later +undef $stylesheet; -# URI of default stylesheet -our $stylesheet = "++GITWEB_CSS++"; # URI of GIT logo our $logo = "++GITWEB_LOGO++"; # URI of GIT favicon, assumed to be image/png type our $favicon = "++GITWEB_FAVICON++"; +our $githelp_url = "http://git.or.cz/"; +our $githelp_label = "git homepage"; + # source of projects list our $projects_list = "++GITWEB_LIST++"; @@ -102,16 +113,24 @@ our %feature = ( 'sub' => \&feature_pickaxe, 'override' => 0, 'default' => [1]}, + + 'pathinfo' => { + 'override' => 0, + 'default' => [0]}, ); sub gitweb_check_feature { my ($name) = @_; - return undef unless exists $feature{$name}; + return unless exists $feature{$name}; my ($sub, $override, @defaults) = ( $feature{$name}{'sub'}, $feature{$name}{'override'}, @{$feature{$name}{'default'}}); if (!$override) { return @defaults; } + if (!defined $sub) { + warn "feature $name is not overrideable"; + return @defaults; + } return $sub->(@defaults); } @@ -155,6 +174,13 @@ sub feature_snapshot { return ($ctype, $suffix, $command); } +sub gitweb_have_snapshot { + my ($ctype, $suffix, $command) = gitweb_check_feature('snapshot'); + my $have_snapshot = (defined $ctype && defined $suffix); + + return $have_snapshot; +} + # To enable system wide have in $GITWEB_CONFIG # $feature{'pickaxe'}{'default'} = [1]; # To have project specific config enable override in $GITWEB_CONFIG @@ -173,6 +199,22 @@ sub feature_pickaxe { return ($_[0]); } +# checking HEAD file with -e is fragile if the repository was +# initialized long time ago (i.e. symlink HEAD) and was pack-ref'ed +# and then pruned. +sub check_head_link { + my ($dir) = @_; + my $headfile = "$dir/HEAD"; + return ((-e $headfile) || + (-l $headfile && readlink($headfile) =~ /^refs\/heads\//)); +} + +sub check_export_ok { + my ($dir) = @_; + return (check_head_link($dir) && + (!$export_ok || -e "$dir/$export_ok")); +} + # rename detection options for git-diff and git-diff-tree # - default is '-M', with the cost proportional to # (number of removed files) * (number of new files). @@ -189,9 +231,6 @@ do $GITWEB_CONFIG if -e $GITWEB_CONFIG; # version of the core git binary our $git_version = qx($GIT --version) =~ m/git version (.*)$/ ? $1 : "unknown"; -# path to the current git repository -our $git_dir; - $projects_list ||= $projectroot; # ====================================================================== @@ -203,11 +242,12 @@ if (defined $action) { } } +# 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/$project/HEAD") || + !check_head_link("$projectroot/$project") || ($export_ok && !(-e "$projectroot/$project/$export_ok")) || ($strict_export && !project_in_list($project))) { undef $project; @@ -217,49 +257,51 @@ if (defined $project) { our $file_name = $cgi->param('f'); if (defined $file_name) { - if (!validate_input($file_name)) { + if (!validate_pathname($file_name)) { die_error(undef, "Invalid file parameter"); } } our $file_parent = $cgi->param('fp'); if (defined $file_parent) { - if (!validate_input($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]$/) { + if ($page =~ m/[^0-9]/) { die_error(undef, "Invalid page parameter"); } } @@ -273,30 +315,53 @@ if (defined $searchtext) { } # now read PATH_INFO and use it as alternative to parameters -our $path_info = $ENV{"PATH_INFO"}; -$path_info =~ s|^/||; -$path_info =~ s|/$||; -if (validate_input($path_info) && !defined $project) { +sub evaluate_path_info { + return if defined $project; + my $path_info = $ENV{"PATH_INFO"}; + return if !$path_info; + $path_info =~ s,^/+,,; + return if !$path_info; + # find which part of PATH_INFO is project $project = $path_info; - while ($project && !-e "$projectroot/$project/HEAD") { + $project =~ s,/+$,,; + while ($project && !check_head_link("$projectroot/$project")) { $project =~ s,/*[^/]*$,,; } - if (defined $project) { - $project = undef unless $project; - } - if ($path_info =~ m,^$project/([^/]+)/(.+)$,) { - # we got "project.git/branch/filename" - $action ||= "blob_plain"; - $hash_base ||= $1; - $file_name ||= $2; - } elsif ($path_info =~ m,^$project/([^/]+)$,) { + # validate project + $project = validate_pathname($project); + if (!$project || + ($export_ok && !-e "$projectroot/$project/$export_ok") || + ($strict_export && !project_in_list($project))) { + undef $project; + return; + } + # do not change any parameters if an action is given using the query string + return if $action; + $path_info =~ s,^$project/*,,; + my ($refname, $pathname) = split(/:/, $path_info, 2); + if (defined $pathname) { + # we got "project.git/branch:filename" or "project.git/branch:dir/" + # we could use git_get_type(branch:pathname), but it needs $git_dir + $pathname =~ s,^/+,,; + if (!$pathname || substr($pathname, -1) eq "/") { + $action ||= "tree"; + $pathname =~ s,/$,,; + } else { + $action ||= "blob_plain"; + } + $hash_base ||= validate_refname($refname); + $file_name ||= validate_pathname($pathname); + } elsif (defined $refname) { # we got "project.git/branch" $action ||= "shortlog"; - $hash ||= $1; + $hash ||= validate_refname($refname); } } +evaluate_path_info(); -$git_dir = "$projectroot/$project"; +# path to the current git repository +our $git_dir; +$git_dir = "$projectroot/$project" if $project; # dispatch my %actions = ( @@ -333,6 +398,10 @@ if (defined $project) { if (!defined($actions{$action})) { die_error(undef, "Unknown action"); } +if ($action !~ m/^(opml|project_list|project_index)$/ && + !$project) { + die_error(undef, "Project needed"); +} $actions{$action}->(); exit; @@ -341,6 +410,7 @@ exit; sub href(%) { my %params = @_; + my $href = $my_uri; my @mapping = ( project => "p", @@ -359,6 +429,19 @@ sub href(%) { $params{'project'} = $project unless exists $params{'project'}; + my ($use_pathinfo) = gitweb_check_feature('pathinfo'); + if ($use_pathinfo) { + # use PATH_INFO for project name + $href .= "/$params{'project'}" if defined $params{'project'}; + delete $params{'project'}; + + # Summary just uses the project path URL + if (defined $params{'action'} && $params{'action'} eq 'summary') { + delete $params{'action'}; + } + } + + # now encode the parameters explicitly my @result = (); for (my $i = 0; $i < @mapping; $i += 2) { my ($name, $symbol) = ($mapping[$i], $mapping[$i+1]); @@ -366,23 +449,43 @@ sub href(%) { push @result, $symbol . "=" . esc_param($params{$name}); } } - return "$my_uri?" . join(';', @result); + $href .= "?" . join(';', @result) if scalar @result; + + return $href; } ## ====================================================================== ## 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; @@ -391,6 +494,15 @@ sub validate_input { # quote unsafe chars, but keep the slash, even when it's not # correct, but quoted slashes look too horrible in bookmarks sub esc_param { + my $str = shift; + $str =~ s/([^A-Za-z0-9\-_.~()\/:@])/sprintf("%%%02X", ord($1))/eg; + $str =~ s/\+/%2B/g; + $str =~ s/ /\+/g; + 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; @@ -404,6 +516,7 @@ sub esc_html { $str = decode("utf8", $str, Encode::FB_DEFAULT); $str = escapeHTML($str); $str =~ s/\014/^L/g; # escape FORM FEED (FF) character (e.g. in COPYING file) + $str =~ s/\033/^[/g; # "escape" ESCAPE (\e) character (e.g. commit 20a3847d8a5032ce41f90dcc68abfb36e6fee9b1) return $str; } @@ -603,7 +716,7 @@ sub format_subject_html { if (length($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"}, @@ -694,8 +807,9 @@ sub git_get_project_config { sub git_get_hash_by_path { my $base = shift; 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"); @@ -704,6 +818,10 @@ sub git_get_hash_by_path { #'100644 blob 0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa panic.c' $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t(.+)$/; + if (defined $type && $type ne $2) { + # type doesn't match + return undef; + } return $3; } @@ -723,7 +841,7 @@ sub git_get_project_description { sub git_get_project_url_list { my $path = shift; - open my $fd, "$projectroot/$path/cloneurl" or return undef; + open my $fd, "$projectroot/$path/cloneurl" or return; my @git_project_url_list = map { chomp; $_ } <$fd>; close $fd; @@ -749,8 +867,7 @@ sub git_get_projects_list { my $subdir = substr($File::Find::name, $pfxlen + 1); # we check related file in $projectroot - if (-e "$projectroot/$subdir/HEAD" && (!$export_ok || - -e "$projectroot/$subdir/$export_ok")) { + if (check_export_ok("$projectroot/$subdir")) { push @list, { path => $subdir }; $File::Find::prune = 1; } @@ -762,7 +879,7 @@ sub git_get_projects_list { # 'git%2Fgit.git Linus+Torvalds' # 'libs%2Fklibc%2Fklibc.git H.+Peter+Anvin' # 'linux%2Fhotplug%2Fudev.git Greg+Kroah-Hartman' - open my ($fd), $projects_list or return undef; + open my ($fd), $projects_list or return; while (my $line = <$fd>) { chomp $line; my ($path, $owner) = split ' ', $line; @@ -771,8 +888,7 @@ sub git_get_projects_list { if (!defined $path) { next; } - if (-e "$projectroot/$path/HEAD" && (!$export_ok || - -e "$projectroot/$path/$export_ok")) { + if (check_export_ok("$projectroot/$path")) { my $pr = { path => $path, owner => decode("utf8", $owner, Encode::FB_DEFAULT), @@ -820,16 +936,10 @@ sub git_get_project_owner { sub git_get_references { my $type = shift || ""; my %refs; - my $fd; # 5dc01c595e6c6ec9ccda4f6f69c131c0dd945f8c refs/tags/v2.6.11 # c39ae07f393806ccf406ef966e9a15afc43cc36a refs/tags/v2.6.11^{} - if (-f "$projectroot/$project/info/refs") { - open $fd, "$projectroot/$project/info/refs" - or return; - } else { - open $fd, "-|", git_cmd(), "ls-remote", "." - or return; - } + open my $fd, "-|", $GIT, "peek-remote", "$projectroot/$project/" + or return; while (my $line = <$fd>) { chomp $line; @@ -888,6 +998,9 @@ sub parse_date { $date{'hour_local'} = $hour; $date{'minute_local'} = $min; $date{'tz_local'} = $tz; + $date{'iso-tz'} = sprintf ("%04d-%02d-%02d %02d:%02d:%02d %s", + 1900+$year, $mon+1, $mday, + $hour, $min, $sec, $tz); return %date; } @@ -1117,7 +1230,8 @@ sub parse_ls_tree_line ($;%) { ## parse to array of hashes functions sub git_get_refs_list { - my $ref_dir = shift; + my $type = shift || ""; + my %refs; my @reflist; my @refs; @@ -1125,14 +1239,21 @@ sub git_get_refs_list { or return; while (my $line = <$fd>) { chomp $line; - if ($line =~ m/^([0-9a-fA-F]{40})\t$ref_dir\/?([^\^]+)$/) { - push @refs, { hash => $1, name => $2 }; - } elsif ($line =~ m/^[0-9a-fA-F]{40}\t$ref_dir\/?(.*)\^\{\}$/ && - $1 eq $refs[-1]{'name'}) { - # most likely a tag is followed by its peeled - # (deref) one, and when that happens we know the - # previous one was of type 'tag'. - $refs[-1]{'type'} = "tag"; + if ($line =~ m/^([0-9a-fA-F]{40})\trefs\/($type\/?([^\^]+))(\^\{\})?$/) { + if (defined $refs{$1}) { + push @{$refs{$1}}, $2; + } else { + $refs{$1} = [ $2 ]; + } + + if (! $4) { # unpeeled, direct reference + push @refs, { hash => $1, name => $3 }; # without type + } elsif ($3 eq $refs[-1]{'name'}) { + # most likely a tag is followed by its peeled + # (deref) one, and when that happens we know the + # previous one was of type 'tag'. + $refs[-1]{'type'} = "tag"; + } } } close $fd; @@ -1148,7 +1269,7 @@ sub git_get_refs_list { } # sort refs by age @reflist = sort {$b->{'epoch'} <=> $a->{'epoch'}} @reflist; - return \@reflist; + return (\@reflist, \%refs); } ## ---------------------------------------------------------------------- @@ -1189,7 +1310,7 @@ sub mimetype_guess_file { } close(MIME); - $filename =~ /\.(.*?)$/; + $filename =~ /\.([^.]*)$/; return $mimemap{$1}; } @@ -1251,7 +1372,7 @@ sub git_header_html { if (defined $action) { $title .= "/$action"; if (defined $file_name) { - $title .= " - $file_name"; + $title .= " - " . esc_html($file_name); if ($action eq "tree" && $file_name !~ m|/$|) { $title .= "/"; } @@ -1283,8 +1404,17 @@ sub git_header_html {