doc/en_US.ISO8859-1/htdocs/cgi/cvsweb.cgi

4525 lines
124 KiB
Perl
Executable file

#!/usr/bin/perl -T
#
# cvsweb - a CGI interface to CVS trees.
#
# Written in their spare time by
# Bill Fenner <fenner@FreeBSD.org> (original work)
# extended by Henner Zeller <zeller@think.de>,
# Henrik Nordstrom <hno@hem.passagen.se>
# Ken Coar <coar@Apache.Org>
# Dick Balaska <dick@buckosoft.com>
# Akinori MUSHA <knu@FreeBSD.org>
# Jens-Uwe Mager <jum@helios.de>
# Ville Skyttä <scop@FreeBSD.org>
# Vassilii Khachaturov <vassilii@tarunz.org>
#
# Based on:
# * Bill Fenners cvsweb.cgi revision 1.28 available from:
# http://www.FreeBSD.org/cgi/cvsweb.cgi/www/en/cgi/cvsweb.cgi
#
# Copyright (c) 1996-1998 Bill Fenner
# (c) 1998-1999 Henner Zeller
# (c) 1999 Henrik Nordstrom
# (c) 2000-2002 Akinori MUSHA
# (c) 2002-2005 Ville Skyttä
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
# $FreeBSD$
# $Id: cvsweb.cgi,v 1.93 2010-11-13 16:37:18 simon Exp $
# $Idaemons: /home/cvs/cvsweb/cvsweb.cgi,v 1.84 2001/10/07 20:50:10 knu Exp $
#
###
require 5.006;
use strict;
use warnings;
use filetest qw(access);
use vars qw (
$VERSION $CheckoutMagic $MimeTypes $DEBUG
$config $allow_version_select
@CVSrepositories @CVSROOT %CVSROOT %CVSROOTdescr
%MIRRORS %DEFAULTVALUE %ICONS %MTYPES
%DIFF_COMMANDS @DIFFTYPES %DIFFTYPES @LOGSORTKEYS %LOGSORTKEYS
%alltags %fileinfo %tags @branchnames %nameprinted
%symrev %revsym @allrevisions %date %author @revdisplayorder
@revisions %state %difflines %log %branchpoint @revorder $keywordsubstitution
$prcgi @prcategories $re_prcategories $prkeyword $re_prkeyword $mancgi
$doCheckout $scriptname $scriptwhere
$where $Browser $nofilelinks $maycompress @stickyvars %funcline_regexp
$is_links $is_lynx $is_w3m $is_msie $is_mozilla3 $is_textbased
%input $query $barequery $sortby $bydate $byrev $byauthor
$bylog $byfile $defaultDiffType $logsort $cvstree $cvsroot
$charset $output_filter
@command_path %CMD $allow_compress $backicon $diricon $fileicon $graphicon
$fullname $cvstreedefault $logo $defaulttitle $address $binfileicon
$long_intro $short_instruction $shortLogLen $show_author
$tablepadding $hr_breakable $showfunc $hr_ignwhite $hr_ignkeysubst
$inputTextSize $mime_types $allow_annotate $allow_markup $allow_mailtos
$allow_log_extra $allow_dir_extra $allow_source_extra
$allow_cvsgraph $cvsgraph_config $use_java_script $edit_option_form
$show_subdir_lastmod $show_log_in_markup $preformat_in_markup
$tabstop $state $annTable $sel @ForbiddenFiles
$use_descriptions %descriptions @mytz $dwhere
$use_moddate $gzip_open $file_list_len
$allow_tar @tar_options @gzip_options @zip_options @cvs_options
@annotate_options @rcsdiff_options
$HTML_DOCTYPE $HTML_META $cssurl $CSS $cvshistory_url
$allow_enscript @enscript_options %enscript_types
);
use Cwd qw(abs_path);
use File::Basename qw(dirname);
use File::Path qw(rmtree);
use File::Spec::Functions qw(canonpath catdir catfile curdir devnull rootdir
tmpdir updir);
use File::Temp qw(tempdir tempfile);
use IPC::Run qw();
use Time::Local qw(timegm);
use URI::Escape qw(uri_escape uri_unescape);
use constant VALID_PATH => qr/^([[:^cntrl:]]+)$/o;
use constant VALID_TAG1 => qr/^([a-zA-Z][[:graph:]]*)$/o;
use constant VALID_TAG2 => qr/^([^\$,.:;@]+)$/o;
use constant CVSWEBMARKUP => qr{^text/(x-cvsweb|vnd\.viewcvs)-markup$}io;
use constant LOG_FILESEPR => qr/^={77}$/o;
use constant LOG_REVSEPR => qr/^-{28}$/o;
use constant HAS_ZLIB => eval { require Compress::Zlib; };
use constant HAS_EDIFF => eval { require String::Ediff; };
# -----------------------------------------------------------------------------
# All global initialization that can be done in compile time should go to
# the BEGIN block. Persistent environments, such as mod_perl, will benefit
# from this.
BEGIN
{
$VERSION = '3.0.6';
$HTML_DOCTYPE =
'<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" ' .
'"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">';
$HTML_META = <<EOM;
<meta name="robots" content="nofollow" />
<meta name="generator" content="FreeBSD-CVSweb $VERSION" />
<meta http-equiv="Content-Script-Type" content="text/javascript" />
<meta http-equiv="Content-Style-Type" content="text/css" />
EOM
# Use MIME::Types for MIME type lookups if it's available.
eval {
require MIME::Types;
$MimeTypes = MIME::Types->new(only_complete => 1);
};
$MimeTypes = undef if $@;
$CheckoutMagic = '~checkout~';
$cgi_style::hsty_base = 'http://www.FreeBSD.org';
$_ = q$FreeBSD$;
@_ = split;
$cgi_style::hsty_date = "@_[3,4]";
# warningproof
0 if $cgi_style::hsty_base ne $cgi_style::hsty_date;
package cgi_style;
require "./cgi-style.pl";
$cgi_style::t_style = qq{\n<link rel="search" type="application/opensearchdescription+xml" href="http://www.freebsd.org/search/opensearch/cvsweb.xml" title="FreeBSD cvsweb" />\n};
package main;
}
# -----------------------------------------------------------------------------
sub printDiffSelect($);
sub printDiffSelectStickyVars();
sub getDiffLinks($$$);
sub printLogSortSelect($);
sub findLastModifiedSubdirs(@);
sub htmlify_sub(&$);
sub htmlify($;$);
sub spacedHtmlText($;$);
sub link($$);
sub revcmp($$);
sub fatal($$@);
sub config_error($$);
sub redirect($;$);
sub safeglob($);
sub search_path($);
sub getEnscriptHL($);
sub getMimeType($;$);
sub head($;$);
sub scan_directives(@);
sub openOutputFilter();
sub doAnnotate($$);
sub doCheckout($$$);
sub doEnscript($$$;$);
sub doGraph();
sub doGraphView();
sub cvswebMarkup($$$$$$;$);
sub viewable($);
sub doDiff($$$$$$);
sub getDirLogs($$@);
sub readLog($;$);
sub printLog($$$;$$);
sub doLog($);
sub flush_diff_rows($$$$);
sub human_readable_diff($$);
sub navigateHeader($$$$$;$);
sub plural_write($$);
sub readableTime($$);
sub clickablePath($$);
sub chooseCVSRoot();
sub chooseMirror();
sub fileSortCmp();
sub download_url($$;$);
sub download_link($$$;$);
sub display_url($$;$);
sub display_link($$;$$);
sub graph_link($;$);
sub history_link($$;$);
sub toggleQuery($;$);
sub htmlquote($);
sub htmlunquote($);
sub uri_escape_path($);
sub http_header(;$$);
sub html_header($;$);
sub html_footer();
sub link_tags($);
sub forbidden($);
sub startproc(@);
sub runproc(@);
sub checkout_to_temp($$$);
# Get rid of unsafe environment vars. Don't do this in the BEGIN block
# (think mod_perl)...
delete(@ENV{qw(PATH IFS CDPATH ENV BASH_ENV)});
my ($mydir) = (dirname($0) =~ /(.*)/); # untaint
##### Start of Configuration Area ########
# == EDIT this ==
# Locations to search for user configuration, in order:
for (catfile($mydir, 'cvsweb.conf'), '/usr/local/etc/cvsweb/cvsweb.conf') {
if (-r $_) {
$config = $_;
last;
}
}
##### End of Configuration Area ########
undef $mydir;
######## Configuration parameters #########
@CVSrepositories = @CVSROOT = %CVSROOT = %MIRRORS = %DEFAULTVALUE = %ICONS =
%MTYPES = %tags = %alltags = %fileinfo = %DIFF_COMMANDS = ();
$cvstreedefault = $logo = $defaulttitle =
$address = $long_intro = $short_instruction = $shortLogLen = $show_author =
$tablepadding = $hr_breakable = $showfunc = $hr_ignwhite =
$hr_ignkeysubst = $inputTextSize = $mime_types = $allow_annotate =
$allow_markup = $allow_compress = $use_java_script = $edit_option_form =
$show_subdir_lastmod = $show_log_in_markup = $preformat_in_markup =
$tabstop = $use_moddate = $gzip_open = $DEBUG = $allow_cvsgraph =
$cvsgraph_config = $cvshistory_url = $allow_tar = undef;
$allow_version_select = $allow_mailtos = $allow_log_extra = 1;
@DIFFTYPES = qw(h H u c s);
@DIFFTYPES{@DIFFTYPES} = (
{
'descr' => 'colored',
'opts' => ['-u'],
'colored' => 1,
},
{
'descr' => 'long colored',
'opts' => ['--unified=15'],
'colored' => 1,
},
{
'descr' => 'unified',
'opts' => ['-u'],
'colored' => 0,
},
{
'descr' => 'context',
'opts' => ['-c'],
'colored' => 0,
},
{
'descr' => 'side by side',
# width=168 should be enough to support 80 character line lengths
'opts' => ['--side-by-side', '--width=168'],
'colored' => 0,
},
);
@LOGSORTKEYS = qw(cvs date rev);
@LOGSORTKEYS{@LOGSORTKEYS} = (
{ descr => 'Not sorted', },
{ descr => 'Commit date', },
{ descr => 'Revision', },
);
##### End of configuration parameters #####
my $pathinfo = '';
if (defined($ENV{PATH_INFO}) && $ENV{PATH_INFO} ne '') {
($pathinfo) = ($ENV{PATH_INFO} =~ VALID_PATH)
or fatal('500 Internal Error',
'Illegal PATH_INFO in environment: <code>%s</code>',
$ENV{PATH_INFO});
}
if ($ENV{SCRIPT_NAME}) {
($scriptname) = ($ENV{SCRIPT_NAME} =~ VALID_PATH)
or fatal('500 Internal Error',
'Illegal SCRIPT_NAME in environment: <code>%s</code>',
$ENV{SCRIPT_NAME});
}
$scriptname = '' unless defined($scriptname);
$where = $pathinfo;
$doCheckout = $where =~ s|^/$CheckoutMagic/|/|o;
$where =~ s|^/||;
$scriptname =~ s|^/*|/|;
# Let's workaround thttpd's stupidity..
if ($scriptname =~ m|/$|) {
$pathinfo .= '/';
my $re = quotemeta $pathinfo;
$scriptname =~ s/$re$//;
}
# $scriptname : the URI escaped path to this script
# $where : the path in the CVS repository (without leading /, or only /)
# $scriptwhere: the URI escaped $scriptname + '/' + $where
$scriptname = uri_escape_path($scriptname);
$scriptwhere = join('/', $scriptname, uri_escape_path($where));
$where = '/' if ($where eq '');
# In text-based browsers, it's very annoying to have two links per file;
# skip linking the image for them.
$Browser = $ENV{HTTP_USER_AGENT} || '';
$is_links = ($Browser =~ m`^E?Links `);
$is_lynx = ($Browser =~ m`^Lynx/`i);
$is_w3m = ($Browser =~ m`^w3m/`i);
$is_msie = ($Browser =~ m`MSIE`);
$is_mozilla3 = ($Browser =~ m`^Mozilla/[3-9]`);
$is_textbased = ($is_links || $is_lynx || $is_w3m);
$nofilelinks = $is_textbased;
# newer browsers accept gzip content encoding
# and state this in a header
# (netscape did always but didn't state it)
# It has been reported that these
# braindamaged MS-Internet Exploders claim that they
# accept gzip .. but don't in fact and
# display garbage then :-/
# Turn off gzip if running under mod_perl and no zlib is available,
# piping does not work as expected inside the server.
$maycompress = (
((defined($ENV{HTTP_ACCEPT_ENCODING})
&& $ENV{HTTP_ACCEPT_ENCODING} =~ /gzip/)
|| $is_mozilla3)
&& !$is_msie
&& !(defined($ENV{MOD_PERL}) && !HAS_ZLIB)
);
# Parameters that will be sticky in all constructed links/query strings.
@stickyvars =
qw(cvsroot hideattic ignorecase sortby logsort f only_with_tag ln
hidecvsroot hidenonreadable);
#
# Load configuration.
#
if (-f $config) {
do "$config" or config_error($config, $@);
} else {
fatal("500 Internal Error",
'Configuration not found. Set the parameter <code>$config</code> in cvsweb.cgi to your <b>cvsweb.conf</b> configuration file first.');
}
# Try to find a readable dir where we can cd into. Some abs_path()
# implementations as well as various cvs operations require such a dir to
# work properly.
{
local $^W = 0;
for my $dir (tmpdir(), rootdir()) {
last if (-r $dir && chdir($dir));
}
}
$CSS = $cssurl ?
sprintf("<link rel=\"stylesheet\" type=\"text/css\" href=\"%s\" />\n",
htmlquote($cssurl)) : '';
# --- input parameters
my %query = ();
if (defined($ENV{QUERY_STRING})) {
for my $p (split(/[;&]+/, $ENV{QUERY_STRING})) {
next unless $p;
$p =~ y/+/ /;
my ($key, $val) = split(/=/, $p, 2);
next unless defined($key);
$val = 1 unless defined($val);
($key = uri_unescape($key)) =~ /[[:graph:]]/ or next;
($val = uri_unescape($val)) =~ /[[:graph:]]/ or next;
$query{$key} = $val;
}
}
undef %input;
my $t;
for my $p (qw(graph hideattic hidecvsroot hidenonreadable ignorecase ln copt
makeimage options tarball)) {
$t = $query{$p};
if (defined($t)) {
($input{$p}) = ($t =~ /^([01]|on)$/)
or fatal('500 Internal Error',
'Invalid boolean value: <code>%s=%s</code>', $p, $t);
}
}
for my $p (qw(annotate r1 r2 rev tr1 tr2)) {
$t = $query{$p};
if (defined($t)) {
if (($p eq 'r1' || $p eq 'r2') && $t eq 'text') {
# Special case for the "Use text field" option in the log view diff form.
$input{$p} = $t;
next;
} elsif (($p eq 'rev' || $p eq 'annotate') && ($t eq '.' || $t eq 'HEAD')){
# Another special case, allow linking to latest revision using these.
$input{$p} = '.';
next;
}
my ($rev, $tag) = split(/:/, $t, 2);
($input{$p}) = ($rev =~ /^(\d+(?:\.\d+)*)$/)
or fatal('500 Internal Error',
'Invalid revision: <code>%s=%s</code>', $p, $t);
if (defined($tag)) {
($tag) = ($tag =~ VALID_TAG1)
or fatal('500 Internal Error',
'Invalid tag/branch name in revision: <code>%s=%s</code>',
$p, $t);
($tag) = ($tag =~ VALID_TAG2)
or fatal('500 Internal Error',
'Invalid tag/branch name in revision: <code>%s=%s</code>',
$p, $t);
$input{$p} .= ':' . $tag;
}
}
}
$t = defined($query{only_with_tag}) ?
$query{only_with_tag} : $query{only_on_branch}; # Backwards compatibility.
if (defined($t)) {
($input{only_with_tag}) = ($t =~ VALID_TAG1)
or fatal('500 Internal Error',
'Invalid tag/branch name: <code>%s</code>', $t);
($input{only_with_tag}) = ($t =~ VALID_TAG2)
or fatal('500 Internal Error',
'Invalid tag/branch name: <code>%s</code>', $t);
}
$t = $query{logsort};
if (defined($t)) {
($input{logsort}) = ($t =~ /^(cvs|date|rev)$/)
or fatal('500 Internal Error',
'Unsupported log sort key: <code>%s</code>', $t);
}
$t = $query{f};
if (defined($t)) {
($input{f}) = ($t =~ /^(([hH]|[ucs]c?)|ext\d*)$/)
or fatal('500 Internal Error',
'Unsupported diff format: <code>%s</code>', $t);
}
$t = $query{sortby};
if (defined($t)) {
($input{sortby}) = ($t =~ /^(file|date|rev|author|log)$/)
or fatal('500 Internal Error',
'Unsupported dir sort key: <code>%s</code>', $t);
}
$t = $query{'content-type'};
if (defined($t)) {
($input{'content-type'}) = ($t =~ m|^([-0-9A-Za-z]+/[-0-9A-Za-z\.\+]+)$|)
or fatal('500 Internal Error',
'Unsupported content type: <code>%s</code>', $t);
}
$t = $query{cvsroot};
if (defined($t)) {
($input{cvsroot}) = ($t =~ /^([[:print:]]+)$/)
or fatal('500 Internal Error',
'Invalid symbolic CVS root name: <code>%s</code>', $t);
}
$t = $query{path};
if (defined($t)) {
($input{path}) = ($t =~ VALID_PATH)
or fatal('500 Internal Error',
'Invalid path: <code>%s</code>', $t);
}
undef($t);
undef(%query);
# --- end input parameters
#
# CVS roots
#
my $rootfound = 0;
for (my $i = 0; $i < scalar(@CVSrepositories); $i += 2) {
my $key = $CVSrepositories[$i];
my ($descr, $root) = @{$CVSrepositories[$i+1]};
$root = canonpath($root);
unless (-d $root) {
warn("Root '$root' defined in \@CVSrepositories is not a directory, " .
'entry ignored');
next;
}
$rootfound ||= 1;
$cvstreedefault = $key unless defined($cvstreedefault);
$CVSROOTdescr{$key} = $descr;
$CVSROOT{$key} = $root;
push(@CVSROOT, $key);
}
unless ($rootfound) {
fatal('500 Internal Error',
'No valid CVS roots found! See <code>@CVSrepositories</code> ' .
'<p>Please try the svnweb site: <a href="http://svnweb.freebsd.org">http://svnweb.freebsd.org</a></p>' .
#' in the configuration file (<code>%s</code>).', $config);
"",)
}
undef $rootfound;
#
# Default CVS root
#
if (!defined($CVSROOT{$cvstreedefault})) {
fatal("500 Internal Error",
'<code>$cvstreedefault</code> points to a repository (%s) not ' .
'defined in <code>@CVSrepositories</code> in your configuration ' .
'file (<code>%s</code>).',
$cvstreedefault,
$config);
}
$DEFAULTVALUE{cvsroot} = $cvstreedefault;
while (my ($key, $defval) = each %DEFAULTVALUE) {
# Replace not given parameters with defaults.
next unless (defined($defval) && $defval =~ /\S/ && !defined($input{$key}));
# Empty checkboxes in forms return nothing, so we define a helper parameter
# in these forms (copt) which indicates that we just set parameters with a
# checkbox.
if ($input{copt}) {
# 'copt' is set -> the result of empty input checkbox
# -> set to zero (disable) if default is a boolean (0|1).
$input{$key} = 0 if ($defval eq '0' || $defval eq '1');
} else {
# 'copt' isn't set --> empty input is not the result
# of empty input checkbox --> set default.
$input{$key} = $defval;
}
}
$barequery = "";
my @barequery;
foreach (@stickyvars) {
# construct a query string with the sticky non default parameters set
if (defined($input{$_})
&& !(defined($DEFAULTVALUE{$_}) && $input{$_} eq $DEFAULTVALUE{$_}))
{
push(@barequery, join('=', uri_escape($_), uri_escape($input{$_})));
}
}
if ($allow_enscript) {
push(@DIFFTYPES, qw(uc cc sc));
@DIFFTYPES{qw(uc cc sc)} = (
{
'descr' => 'unified, colored',
'opts' => ['-u'],
'colored' => 0,
},
{
'descr' => 'context, colored',
'opts' => ['-c'],
'colored' => 0,
},
{
'descr' => 'side by side, colored',
# width=168 should be enough to support 80 character line lengths
'opts' => ['--side-by-side', '--width=168'],
'colored' => 0,
},
);
} else {
# No Enscript -> respect difftype, but don't offer colorization.
if ($input{f} && $input{f} =~ /^([ucs])c$/) {
$input{f} = $1;
}
}
# is there any query ?
if (@barequery) {
$barequery = join (';', @barequery);
$query = "?$barequery";
$barequery = ";$barequery";
} else {
$query = "";
}
undef @barequery;
if (defined($input{path})) {
redirect("$scriptname/$input{path}$query");
}
# get actual parameters
{
my $sortby = $input{sortby} || 'file';
$bydate = 0;
$byrev = 0;
$byauthor = 0;
$bylog = 0;
$byfile = 0;
if ($sortby eq 'date') {
$bydate = 1;
} elsif ($sortby eq 'rev') {
$byrev = 1;
} elsif ($sortby eq 'author') {
$byauthor = 1;
} elsif ($sortby eq 'log') {
$bylog = 1;
} else {
$byfile = 1;
}
}
$defaultDiffType = $input{f};
$logsort = $input{logsort};
# alternate CVS-Tree, configured in cvsweb.conf
if ($input{cvsroot} && $CVSROOT{$input{cvsroot}}) {
$cvstree = $input{cvsroot};
} else {
$cvstree = $cvstreedefault;
}
$cvsroot = $CVSROOT{$cvstree};
# create icons out of description
foreach my $k (keys %ICONS) {
my ($itxt, $ipath, $iwidth, $iheight) = @{$ICONS{$k}};
no strict 'refs';
if ($ipath) {
${"${k}icon"} =
sprintf('<img src="%s" alt="%s" border="0" width="%d" height="%d" />',
htmlquote($ipath), htmlquote($itxt), $iwidth, $iheight);
} else {
${"${k}icon"} = $itxt;
}
}
my $config_cvstree = "$config-$cvstree";
# Do some special configuration for cvstrees
if (-f $config_cvstree) {
do "$config_cvstree"
or fatal("500 Internal Error",
'Error in loading configuration file: %s<br /><br />%s<br />',
$config_cvstree, $@);
}
undef $config_cvstree;
$re_prcategories = '(?:' . join ('|', @prcategories) . ')' if @prcategories;
$re_prkeyword = quotemeta($prkeyword) if defined($prkeyword);
$prcgi .= '%s' if defined($prcgi) && $prcgi !~ /%s/;
$fullname = catfile($cvsroot, $where);
my $rewrite = 0;
if ($pathinfo =~ m|//|) {
$pathinfo =~ y|/|/|s;
$rewrite = 1;
}
if (-d $fullname) {
if ($pathinfo !~ m|/$|) {
$pathinfo .= '/';
$rewrite = 1;
}
} elsif ($pathinfo =~ m|/$|) {
chop $pathinfo;
$rewrite = 1;
}
if ($rewrite) {
redirect($scriptname . uri_escape_path($pathinfo) . $query, 1);
}
undef $rewrite;
undef $pathinfo;
if (!-d $cvsroot) {
fatal("500 Internal Error",
'$CVSROOT not found!<p>The server on which the CVS tree lives is probably down. Please try again in a few minutes.');
}
#
# Short-circuit forbidden things. Note that $fullname should not change
# after this, because the rest of the code assumes this check has already
# been done.
#
fatal('403 Forbidden', 'Access to %s forbidden.', $where)
if forbidden($fullname);
#
# Handle tarball downloads before any headers are output.
#
if ($input{tarball}) {
fatal('403 Forbidden', 'Downloading tarballs is prohibited.')
unless $allow_tar;
my ($module) = ($where =~ m,^/?(.*),); # untaint
$module =~ s,/([^/]*)$,,;
my ($ext) = ($1 =~ /(\.t(?:ar\.)?gz|\.zip)$/);
my ($basedir) = ($module =~ m,([^/]+)$,);
if ($basedir eq '' || $module eq '') {
fatal('500 Internal Error',
'You cannot download the top level directory.');
}
my $istar = ($ext eq '.tar.gz' || $ext eq '.tgz');
if ($istar) {
fatal('500 Internal Error', 'tar command not found.') unless $CMD{tar};
fatal('500 Internal Error', 'gzip command not found.') unless $CMD{gzip};
}
my $iszip = ($ext eq '.zip');
if ($iszip && !$CMD{zip}) {
fatal('500 Internal Error', 'zip command not found.');
}
if (!$istar && !$iszip) {
fatal('500 Internal Error', 'Unsupported archive type.');
}
my $tmpexportdir;
eval {
local $SIG{__DIE__};
# Don't use the CLEANUP argument to tempdir() here, since we might be under
# mod_perl (the process runs for a long time), unlink explicitly later.
$tmpexportdir = tempdir('.cvsweb.XXXXXXXX', TMPDIR => 1);
};
if ($@) {
fatal('500 Internal Error', 'Unable to make temporary directory: %s', $@);
}
if (!chdir($tmpexportdir)) {
fatal('500 Internal Error',
"Can't cd to temporary directory %s: %s", $tmpexportdir, $!);
}
my @fatal;
my $tag = $input{only_with_tag} || 'HEAD';
$tag = 'HEAD' if ($tag eq 'MAIN');
my @cmd =
($CMD{cvs}, @cvs_options, '-Qd', $cvsroot, 'export', '-r', $tag,
'-d', $basedir, $module);
my $export_err;
my ($errcode, $err) = runproc(\@cmd, '2>', \$export_err);
if ($errcode) {
@fatal =
('500 Internal Error',
'Export failure (exit status %s), output: <pre>%s</pre>',
$errcode, $err || $export_err);
} else {
$| = 1; # Essential to get the buffering right.
local (*TAR_OUT);
my (@cmd, $ctype);
if ($istar) {
my @tar = ($CMD{tar}, @tar_options, '-cf', '-', $basedir);
my @gzip = ($CMD{gzip}, @gzip_options, '-c');
push(@cmd, \@tar, '|', \@gzip);
$ctype = 'application/x-gzip';
} elsif ($iszip) {
my @zip = ($CMD{zip}, @zip_options, '-r', '-', $basedir);
push(@cmd, \@zip, \'');
$ctype = 'application/zip';
}
push(@cmd, '>pipe', \*TAR_OUT);
my ($h, $err) = startproc(@cmd);
if ($h) {
print "Content-Type: $ctype\r\n\r\n";
local $/ = undef;
print <TAR_OUT>;
$h->finish();
} else {
@fatal = ('500 Internal Error',
'%s failure (exit status %s), output: <pre>%s</pre>',
$istar ? 'Tar' : 'Zip', $? >> 8 || -1, $err);
}
}
# Clean up.
rmtree($tmpexportdir);
&fatal(@fatal) if @fatal;
exit;
}
##############################
# View a directory
###############################
if (-d $fullname) {
my $dh = do { local (*DH); };
opendir($dh, $fullname) or fatal("404 Not Found", '%s: %s', $where, $!);
my @dir = grep(!forbidden(catfile($fullname, $_)), readdir($dh));
closedir($dh);
my @subLevelFiles = findLastModifiedSubdirs(@dir) if $show_subdir_lastmod;
my @unreadable = getDirLogs($cvsroot, $where, @subLevelFiles);
if ($where eq '/') {
html_header($defaulttitle);
$long_intro =~ s/!!CVSROOTdescr!!/$CVSROOTdescr{$cvstree}/g;
print $long_intro;
} else {
html_header($where);
my $html = (-f catfile($fullname, 'README.cvs.html,v') ||
-f catfile($fullname, 'Attic', 'README.cvs.html,v'));
my $text = (!$html &&
(-f catfile($fullname, 'README.cvs,v') ||
-f catfile($fullname, 'Attic', 'README.cvs,v')));
if ($html || $text) {
my $rev = $input{only_with_tag} || 'HEAD';
my $cr = abs_path($cvsroot) || $cvsroot;
my $co = "$where/README.cvs.html" if $html;
$co ||= "$where/README.cvs" if $text;
# abs_path() taints when run as a CGI...
if ($cr =~ VALID_PATH) {
$cr = $1;
} else {
fatal('500 Internal Error', 'Illegal CVS root: <code>%s</code>', $cr);
}
my @cmd = ($CMD{cvs}, @cvs_options, '-d', $cr, 'co', '-p', "-r$rev",$co);
local (*CVS_OUT, *CVS_ERR);
my ($h, $err) = startproc(\@cmd, \"", '>pipe', \*CVS_OUT,
'2>pipe', \*CVS_ERR);
fatal('500 Internal Error', $err) unless $h;
if ($html) {
local $/ = undef;
print <CVS_OUT>;
} else {
print "<p>\n";
while (<CVS_OUT>) {
chomp;
print htmlquote($_), '<br />';
}
print "</p>";
}
$h->finish();
}
print $short_instruction;
}
if ($use_descriptions &&
open(DESC, catfile($cvsroot, 'CVSROOT', 'descriptions'))) {
while (<DESC>) {
chomp;
my ($dir, $description) = /(\S+)\s+(.*)/;
$descriptions{$dir} = $description;
}
close(DESC);
}
print "<p><a name=\"dirlist\"></a></p>\n";
# give direct access to dirs
if ($where eq '/') {
chooseMirror();
chooseCVSRoot();
} else {
print '<p>Current directory: <b>', clickablePath($where, 0), '</b>';
if ($cvshistory_url) {
(my $d = $where) =~ s|^/*(.*?)/*$|$1|;
print ' - ', history_link($d, '');
}
print "</p>\n";
print "<p>Current tag: <b>", htmlquote($input{only_with_tag}), "</b></p>\n"
if $input{only_with_tag};
}
print "<hr />\n";
my $infocols = 1;
printf(<<EOF, 'Directory index of ' . htmlquote($where));
<table class="dir" width="100%%" cellspacing="0" cellpadding="$tablepadding" summary="%s">
<tr>
EOF
printf('<th colspan="2"%s>', ($byfile ? ' class="sorted"' : ''));
if ($byfile) {
print 'File';
} else {
print &link('File',
sprintf('./%s#dirlist', toggleQuery('sortby', 'file')));
}
print "</th>\n";
# Do not display the other column headers if we do not have any files
# with revision information.
if (scalar(%fileinfo)) {
$infocols++;
printf('<th%s>', ($byrev ? ' class="sorted"' : ''));
if ($byrev) {
print 'Rev.';
} else {
print &link('Rev.',
sprintf('./%s#dirlist', toggleQuery('sortby', 'rev')));
}
print "</th>\n";
$infocols++;
printf('<th%s>', ($bydate ? ' class="sorted"' : ''));
if ($bydate) {
print 'Age';
} else {
print &link('Age',
sprintf('./%s#dirlist', toggleQuery('sortby', 'date')));
}
print "</th>\n";
if ($show_author) {
$infocols++;
printf('<th%s>', ($byauthor ? ' class="sorted"' : ''));
if ($byauthor) {
print 'Author';
} else {
print
&link('Author',
sprintf('./%s#dirlist', toggleQuery('sortby', 'author')));
}
print "</th>\n";
}
$infocols++;
printf('<th%s>', ($bylog ? ' class="sorted"' : ''));
if ($bylog) {
print 'Last log entry';
} else {
print &link('Last log entry',
sprintf('./%s#dirlist', toggleQuery('sortby', 'log')));
}
print "</th>\n";
} elsif ($use_descriptions) {
print "<th>Description</th>\n";
$infocols++;
}
print "</tr>\n";
my $dirrow = 0;
my $i;
lookingforattic:
for ($i = 0; $i <= $#dir; $i++) {
if ($dir[$i] eq "Attic") {
last lookingforattic;
}
}
if (!$input{hideattic}
&& ($i <= $#dir)
&& opendir($dh, $fullname . '/Attic'))
{
splice(@dir, $i, 1, grep((s|^|Attic/|, !m|/\.|), readdir($dh)));
closedir($dh);
}
my $hideAtticToggleLink =
$input{hideattic}
? ''
: &link('[hide]', sprintf('./%s#dirlist', &toggleQuery('hideattic')));
# Sort without the Attic/ pathname.
# place directories first
my $filesexists;
my $filesfound;
foreach my $file (sort { &fileSortCmp } @dir) {
next if ($file eq curdir());
# ignore CVS lock and stale NFS files
next if ($file =~ /^\#cvs\.|^,|^\.nfs/); # \# for XEmacs cperl-mode...
# Check whether to show the CVSROOT path
next if ($input{hidecvsroot} && $where eq '/' && $file eq 'CVSROOT');
# Is it a directory?
my $isdir = -d catdir($fullname, $file);
# Ignore non-readable files and directories?
next if ($input{hidenonreadable} && (! -r _ || ($isdir && ! -x _)));
my $attic = '';
if ($file =~ s|^Attic/||) {
$attic = ' <span class="attic">(in the Attic) ' .
$hideAtticToggleLink . '</span>';
}
if ($file eq updir() || $isdir) {
next if ($file eq updir() && $where eq '/');
my ($rev, $date, $log, $author, $filename, $keywordsubst) =
@{$fileinfo{$file}} if (defined($fileinfo{$file}));
printf "<tr class=\"%s\">\n<td class=\"dir\" colspan=\"2\">",
($dirrow % 2) ? 'even' : 'odd';
if ($file eq updir()) {
my $url = "../$query";
print $nofilelinks ? $backicon : &link($backicon, $url);
print '&nbsp;', &link("Parent Directory", $url);
} else {
my $url = './' . uri_escape_path($file) . "/$query";
print '<a name="', htmlquote($file), '"></a>';
print $nofilelinks ? $diricon : &link($diricon, $url);
print '&nbsp;', &link(htmlquote("$file/"), $url), $attic;
if ($file eq "Attic") {
print ' <span class="attic">',
&link('[show]',
sprintf('./%s#dirlist', &toggleQuery('hideattic'))),
'</span>';
}
}
# Show last change in dir
if ($filename) {
print "</td>\n<td>&nbsp;</td>\n<td class=\"age\">";
print readableTime(time() - $date, 0) if $date;
print "</td>\n<td class=\"author\">", htmlquote($author)
if $show_author;
print "</td>\n<td class=\"log\">";
$filename =~ s%^[^/]+/%%;
print &link(htmlquote("$filename/$rev"),
sprintf('%s/%s%s#rev%s',
uri_escape($file), uri_escape($filename),
$query, $rev)), '<br />';
if ($log) {
print htmlify(substr($log, 0, $shortLogLen), $allow_dir_extra);
print '...' if (length($log) > 80);
}
} else {
my $dwhere = ($where ne '/' ? $where : '') . $file;
if ($use_descriptions && defined $descriptions{$dwhere}) {
print '<td colspan="', ($infocols - 1), '">';
print $descriptions{$dwhere};
} elsif ($infocols > 1) {
# close the row with the appropriate number of
# columns, so that the vertical seperators are visible
my ($cols) = $infocols;
while ($cols > 1) {
print "</td>\n<td>&nbsp;";
$cols--;
}
}
}
print "</td>\n</tr>\n";
$dirrow++;
} elsif ($file =~ s/,v$//) {
my $fileurl = ($attic ? 'Attic/' : '') . uri_escape_path($file);
my $url = './' . $fileurl . $query;
$filesexists++;
next if (!defined($fileinfo{$file}));
my ($rev, $date, $log, $author, $filename, $keywordsubst) =
@{$fileinfo{$file}};
my $isbinary = $keywordsubst eq 'b' ? 1 : 0;
$filesfound++;
printf "<tr class=\"%s\">\n", ($dirrow % 2) ? 'even' : 'odd';
printf '<td class="file"%s>', $allow_cvsgraph ? '' : ' colspan="2"';
my $icon = $isbinary ? $binfileicon : $fileicon;
print $nofilelinks ? $icon : &link($icon, $url);
print '&nbsp;', &link(htmlquote($file), $url), $attic;
print '</td><td class="graph">', graph_link($fileurl) if $allow_cvsgraph;
print "</td>\n<td width=\"30\">", display_link($fileurl, $rev);
print "</td>\n<td class=\"age\">";
print readableTime(time() - $date, 0) if $date;
print "</td>\n<td class=\"author\">", htmlquote($author) if $show_author;
print "</td>\n<td class=\"log\">";
if ($log) {
print htmlify(substr($log, 0, $shortLogLen), $allow_dir_extra);
print '...' if (length $log > 80);
}
print "</td>\n</tr>";
$dirrow++;
}
print "\n";
}
print "</table>\n";
if ((my $num = scalar(@unreadable)) && ! $input{hidenonreadable}) {
printf(<<EOF, $num, htmlquote(join(', ', @unreadable)));
<p>
<b>NOTE:</b> The following %d unreadable files were ignored:<br />
<em>%s</em>
</p>
EOF
}
if ($filesexists && !$filesfound) {
my $currtag = defined($input{only_with_tag}) ?
sprintf(' (%s)', htmlquote($input{only_with_tag})) : '';
printf(<<EOF, $filesexists, $currtag);
<p>
<b>NOTE:</b> There are %d files, but none matches the current tag%s.
</p>
EOF
}
if ($input{only_with_tag} && (!%tags || !$tags{$input{only_with_tag}})) {
%tags = %alltags;
}
if (scalar %tags
|| $input{only_with_tag}
|| $edit_option_form
|| defined($input{options}))
{
print "<hr />\n";
}
if (scalar %tags || $input{only_with_tag}) {
print "<form method=\"get\" action=\"./\">\n<p>\n";
foreach my $var (@stickyvars) {
printf("<input type=\"hidden\" name=\"$var\" value=\"%s\" />\n",
htmlquote($input{$var}))
if (defined($input{$var})
&& (!defined($DEFAULTVALUE{$var})
|| $input{$var} ne $DEFAULTVALUE{$var})
&& $var ne 'only_with_tag');
}
printf(<<EOF, ($use_java_script ? ' onchange="this.form.submit()"' : ''));
<span class="nowrap">
<label for="only_with_tag" accesskey="T">Show only files with tag:
<select id="only_with_tag" name="only_with_tag"%s>
<option value="">All tags / default branch</option>
EOF
foreach my $tag (reverse sort { lc $a cmp lc $b } keys %tags) {
my $selected =
defined($input{only_with_tag}) && $input{only_with_tag} eq $tag;
printf("<option%s>%s</option>\n",
$selected ? ' selected="selected"' : '',
htmlquote($tag));
}
printf(<<EOF, htmlquote($where));
</select>
</label></span> <span class="nowrap">
<label for="path" accesskey="P">Module path or alias:
<input type="text" id="path" name="path" value="%s" size="15" /></label>
</span>
<input type="submit" value="Go" accesskey="G" />
</p>
</form>
EOF
}
if ($allow_tar && $filesfound) {
my ($basefile) = ($where =~ m,(?:.*/)?([^/]+),);
my $havetar = $CMD{tar} && $CMD{gzip};
my $havezip = $CMD{zip};
if (defined($basefile) && $basefile ne '' && ($havetar || $havezip)) {
my $q = ($query ? "$query;" : '?') . 'tarball=1';
print "<hr />\n",
'<div style="text-align: center">Download this directory in ';
# Mangle the filename so browsers show a reasonable filename to download.
my @types = ();
$basefile = uri_escape($basefile);
push(@types, &link('tarball', "$basefile.tar.gz$q")) if $havetar;
push(@types, &link('zip archive', "$basefile.zip$q")) if $havezip;
print join(' or ', @types), "</div>\n";
}
}
if ($edit_option_form || defined($input{options})) {
print <<EOF;
<form method="get" action="./">
<fieldset>
<legend>General options</legend>
<input type="hidden" name="copt" value="1" />
EOF
for my $v qw(hidecvsroot hidenonreadable) {
printf(qq{<input type="hidden" name="%s" value="%s" />\n},
$v, $input{$v} || 0);
}
if ($cvstree ne $cvstreedefault) {
print "<input type=\"hidden\" name=\"cvsroot\" value=\"$cvstree\" />\n";
}
print <<EOF;
<table summary="General options">
<tr>
<td class="opt-label">
<label for="sortby" accesskey="F">Sort files by:</label>
</td>
<td class="opt-value">
<select id="sortby" name="sortby">
<option value="">File</option>
EOF
print "<option", $bydate ? ' selected="selected"' : '',
" value=\"date\">Age</option>\n";
print "<option", $byauthor ? ' selected="selected"' : '',
" value=\"author\">Author</option>\n"
if $show_author;
print "<option", $byrev ? ' selected="selected"' : '',
" value=\"rev\">Revision</option>\n";
print "<option", $bylog ? ' selected="selected"' : '',
" value=\"log\">Log message</option>\n";
print <<EOF;
</select>,
<label for="ignorecase" accesskey="I">case-insensitive:
EOF
print '<input id="ignorecase" name="ignorecase" type="checkbox"',
$input{ignorecase} ? ' checked="checked"' : '',
" value=\"1\" /></label>\n";
print <<EOF;
</td>
<td class="opt-label">
<label for="hideattic" accesskey="A">Hide files in Attic:</label>
</td>
<td class="opt-value">
EOF
print '<input id="hideattic" name="hideattic" type="checkbox"',
$input{hideattic} ? ' checked="checked"' : '', ' value="1" />';
print <<EOF;
</td>
</tr>
<tr>
<td class="opt-label">
<label for="logsort" accesskey="L">Sort log by:</label>
</td>
<td class="opt-value">
EOF
printLogSortSelect(0);
print <<EOF;
</td>
<td class="opt-label">
<label for="ln" accesskey="N">Show line numbers:</label>
</td>
<td class="opt-value">
EOF
print '<input id="ln" name="ln" type="checkbox"',
$input{ln} ? ' checked="checked"' : '', " value=\"1\" />\n";
print <<EOF;
</td>
</tr>
<tr>
<td class="opt-label">
<label for="f" accesskey="D">Diff format:</label>
</td>
<td>
EOF
printDiffSelect(0);
print <<EOF;
</td>
<td colspan="2" class="opt-label">
<input type="submit" value="Change Options" accesskey="C" />
</td>
</tr>
</table>
</fieldset>
</form>
EOF
}
html_footer();
}
###############################
# View Files
###############################
elsif (-f $fullname . ',v') {
if (defined($input{rev}) || $doCheckout) {
&doCheckout($fullname, $input{rev}, $input{only_with_tag});
gzipclose();
exit;
}
if (defined($input{annotate}) && $allow_annotate) {
&doAnnotate($input{annotate}, $input{only_with_tag});
gzipclose();
exit;
}
if (defined($input{r1}) && defined($input{r2})) {
&doDiff($fullname, $input{r1}, $input{tr1},
$input{r2}, $input{tr2}, $input{f});
gzipclose();
exit;
}
if ($allow_cvsgraph && $input{graph}) {
if ($input{makeimage}) {
doGraph();
} else {
doGraphView();
}
gzipclose();
exit;
}
&doLog($fullname);
}
##############################
# View Diff
##############################
elsif ($fullname =~ s/\.diff$//
&& -f $fullname . ',v' && $input{r1} && $input{r2})
{
# $where-diff-removal if 'cvs rdiff' is used
# .. but 'cvs rdiff'doesn't support some options
# rcsdiff does (-w and -p), so it is disabled
# $where =~ s/\.diff$//;
# Allow diffs using the ".diff" extension so that browsers that default
# to the filename in the URL when saving don't save diffs as eg. foo.c.
&doDiff($fullname, $input{r1}, $input{tr1},
$input{r2}, $input{tr2}, $input{f});
gzipclose();
exit;
}
elsif (do { (my $tmp = $fullname) =~ s|/([^/]+)$|/Attic/$1|; -f "$tmp,v" }) {
# The file has been removed and is in the Attic.
# Send a redirect pointing to the file in the Attic.
(my $newplace = $scriptwhere) =~ s|/([^/]+)$|/Attic/$1|;
if ($ENV{QUERY_STRING} ne "") {
redirect("$newplace?$ENV{QUERY_STRING}");
} else {
redirect($newplace);
}
exit;
}
elsif (0 && (my @files = &safeglob($fullname . ",v"))) {
http_header("text/plain");
print "You matched the following files:\n";
print join ("\n", @files);
# TODO:
# Find the tags from each file
# Display a form offering diffs between said tags
}
else {
# Assume it's a module name with a potential path following it.
my $module;
my $xtra = (($module = $where) =~ s|(/.*)||) ? $1 : '';
# Is there an indexed version of modules?
my $fh = do { local (*FH); };
if (open($fh, catfile($cvsroot, 'CVSROOT', 'modules'))) {
while (<$fh>) {
if (/^(\S+)\s+(\S+)/o
&& $module eq $1
&& $module ne $2
&& -d "$cvsroot/$2")
{
close($fh);
redirect("$scriptname/$2$xtra$query");
}
}
close($fh);
}
fatal("404 Not Found", '%s: no such file or directory', $where);
}
gzipclose();
## End MAIN
sub printDiffSelect($)
{
my ($use_java_script) = @_;
print '<select id="f" name="f"';
print ' onchange="this.form.submit()"' if $use_java_script;
print ">\n";
for my $difftype (@DIFFTYPES) {
printf("<option value=\"%s\"%s>%s</option>\n",
$difftype, $input{f} eq $difftype ? ' selected="selected"' : '',
"\u$DIFFTYPES{$difftype}{descr}");
}
print "</select>";
}
sub printDiffSelectStickyVars()
{
while (my ($key, $val) = each %input) {
next if ($key eq 'f');
next if (defined($DEFAULTVALUE{$key}) && $DEFAULTVALUE{$key} eq $val);
print "<input type=\"hidden\" name=\"", htmlquote($key), "\" value=\"",
htmlquote($val), "\" />\n";
}
}
sub printLogSortSelect($)
{
my ($use_java_script) = @_;
print '<select id="logsort" name="logsort"';
print ' onchange="this.form.submit()"' if $use_java_script;
print ">\n";
for my $sortkey (@LOGSORTKEYS) {
printf("<option value=\"%s\"%s>%s</option>\n",
$sortkey, $logsort eq $sortkey ? ' selected="selected"' : '',
"\u$LOGSORTKEYS{$sortkey}{descr}");
}
print "</select>";
}
#
# Find the last modified, version controlled files in the given directories.
# Compares solely based on modification timestamps. Files in the returned list
# are without the ,v suffix, and unreadable files have been filtered out.
#
sub findLastModifiedSubdirs(@)
{
my (@dirs) = @_;
my @files;
foreach my $dirname (@dirs) {
next if ($dirname eq curdir() || $dirname eq updir());
my $dir = catdir($fullname, $dirname);
next if (!-d $dir);
my $dh = do { local (*DH); };
opendir($dh, $dir) or next;
my (@filenames) = grep(!forbidden(catfile($dir, $_)), readdir($dh));
closedir($dh);
my $lastmod = undef;
my $lastmodtime = undef;
foreach my $filename (@filenames) {
($filename) =
(catfile($dirname, $filename) =~ VALID_PATH) or next; # untaint
my ($file) = catfile($fullname, $filename);
next if ($filename !~ /,v$/o || !-f $file || !-r _);
my $modtime = -M _;
if (!defined($lastmod) || $modtime < $lastmodtime) {
($lastmod = $filename) =~ s/,v$//;
$lastmodtime = $modtime;
}
}
push(@files, $lastmod) if (defined($lastmod));
}
return @files;
}
sub htmlify_sub(&$)
{
(my $proc, local $_) = @_;
my @a = split(m|(<a [^>]+>[^<]*</a>)|i);
my $linked;
my $result = '';
while (($_, $linked) = splice(@a, 0, 2)) {
&$proc();
$result .= $_ if defined($_);
$result .= $linked if defined($linked);
}
return $result;
}
sub htmlify($;$)
{
(local $_, my $extra) = @_;
$_ = htmlquote($_);
# get URL's as link
s{
((https?|ftp)://.+?)([\s\']|&(quot|[lg]t);)
}{
&link($1, htmlunquote($1)) . $3
}egx;
if ($allow_mailtos) {
# Make mailto: links from email addresses.
$_ = htmlify_sub {
s<
([\w+=\-.!]+@[\w\-]+(?:\.[\w\-]+)+)
><
&link($1, "mailto:$1")
>egix;
} $_;
}
if ($extra) {
# get PR #'s as link: "PR#nnnn" "PR: nnnn, ..." "PR nnnn, ..." "bin/nnnn"
if (defined($prcgi) && defined($re_prkeyword)) {
my $prev;
do {
$prev = $_;
$_ = htmlify_sub {
s{
(\b$re_prkeyword[:\#]?\s*
(?:
\#?
\d+[,\s]\s*
)*
\#?)
(\d+)\b
}{
$1 . &link($2, sprintf($prcgi, $2))
}egix;
} $_;
} while ($_ ne $prev);
if (defined($re_prcategories)) {
$_ = htmlify_sub {
s{
(\b$re_prcategories/(\d+)\b)
}{
&link($1, sprintf($prcgi, $2))
}egox;
} $_;
}
}
# get manpage specs as link: "foo.1" "foo(1)"
if (defined($mancgi)) {
$_ = htmlify_sub {
s{
(
\b ( \w[\w+\-.]* (?: ::\w[\w+\-.]*)* )
(?:
\( ([0-9n]) \) \B
|
\. ([0-9n]) \b
)
)
}{
my($text, $name, $section) = ($1, $2, defined($3) ? $3 : $4);
($name =~ /[A-Za-z]/ && $name !~ /\.(:|$)/)
? &link($text, sprintf($mancgi, $section, uri_escape($name)))
: $text;
}egx;
} $_;
}
}
return $_;
}
sub spacedHtmlText($;$)
{
(local $_, my $ts) = @_;
return '' unless defined($_);
$ts ||= $tabstop || 8;
# Expand tabs
1 while s/(.*?)(\t+)/$1 . ' ' x (length($2) * $ts - length($1) % $ts)/e;
if ($hr_breakable) {
s/^ /\001nbsp;/; # protect leading and...
s/ $/\001nbsp;/; # ...trailing whitespace (mostly for String::Ediff),
s/ / \001nbsp;/g; # ...and leave every other space 'breakable'
} else {
s/ /\001nbsp;/g;
}
$_ = htmlify($_, $allow_source_extra);
# unescape
y/\001/&/;
return $_;
}
# Note that this doesn't htmlquote the first argument...
sub link($$)
{
my ($name, $url) = @_;
return sprintf('<a href="%s">%s</a>', htmlquote($url), $name);
}
sub revcmp($$)
{
my ($rev1, $rev2) = @_;
# make no comparison for a tag or a branch
return 0 if $rev1 =~ /[^\d.]/ || $rev2 =~ /[^\d.]/;
my (@r1) = split(/\./, $rev1);
my (@r2) = split(/\./, $rev2);
my ($a, $b);
while (($a = shift(@r1)) && ($b = shift(@r2))) {
return $a <=> $b unless ($a == $b);
}
if (@r1) { return 1; }
if (@r2) { return -1; }
return 0;
}
#
# Signal a fatal error.
#
sub fatal($$@)
{
my ($errcode, $format, @args) = @_;
print "Status: $errcode\r\n";
html_header('Error');
print '<div id="error">Error: ',
sprintf($format, map(htmlquote($_), @args)), "</div>\n";
html_footer();
exit(1);
}
#
# Signal a (fatal) configuration error.
#
sub config_error($$)
{
fatal('500 Internal Error',
'Error loading configuration file "<code>%s</code>":<br /><br />' .
'%s<br />', @_);
}
#
# Sends a redirect to the given URL.
#
sub redirect($;$)
{
my ($url, $permanent) = @_;
my ($status, $text);
if ($permanent) {
$status = '301';
$text = 'Moved Permanently';
} else {
$status = '302';
$text = 'Found';
}
print "Status: $status $text\r\n", "Location: $url\r\n";
html_header($text);
print "<p>This document has moved ", &link('here', $url), ".</p>\n";
html_footer();
exit(1);
}
sub safeglob($)
{
my ($filename) = @_;
(my $dirname = $filename) =~ s|/[^/]+$||;
$filename =~ s|.*/||;
my @results;
my $dh = do { local (*DH); };
if (opendir($dh, $dirname)) {
my $glob = $filename;
my $t;
# transform filename from glob to regex. Deal with:
# [, {, ?, * as glob chars
# make sure to escape all other regex chars
$glob =~ s/([\.\(\)\|\+])/\\$1/g;
$glob =~ s/\*/.*/g;
$glob =~ s/\?/./g;
$glob =~ s/{([^}]+)}/($t = $1) =~ s-,-|-g; "($t)"/eg;
$glob = qr/^$glob$/;
foreach (readdir($dh)) {
if ($_ =~ $glob && $_ =~ VALID_PATH) {
push(@results, catfile($dirname, $1)); # untaint
}
}
closedir($dh);
}
return @results;
}
#
# Searches @command_path for the given executable file.
#
sub search_path($)
{
my ($command) = @_;
for my $d (@command_path) {
my $cmd = catfile($d, $command);
return $cmd if (-x $cmd && !-d _);
}
return '';
}
#
# Gets the enscript(1) highlight mode corresponding to the given filename,
# or undef if unsupported.
#
sub getEnscriptHL($)
{
return undef unless $allow_enscript;
my ($filename) = @_;
while (my ($hl, $regex) = each %enscript_types) {
return $hl if ($filename =~ $regex);
}
return undef;
}
#
# Gets the MIME type for the given file name.
#
sub getMimeType($;$)
{
my ($fullname, $binary) = @_;
$binary = ($keywordsubstitution && $keywordsubstitution =~ /b/)
unless defined($binary);
(my $suffix = $fullname) =~ s/^.*\.([^.]*)$/$1/;
my $mimetype = $MTYPES{$suffix};
$mimetype ||= $MimeTypes->mimeTypeOf($fullname) if defined($MimeTypes);
if (!$mimetype && $suffix ne '*' && -f $mime_types && -r _) {
my $fh = do { local (*FH); };
if (open($fh, $mime_types)) {
my $re = sprintf('^\s*(\S+\/\S+)\s.+\b%s\b', quotemeta($suffix));
$re = qr/$re/;
while (my $line = <$fh>) {
if ($line =~ $re) {
$mimetype = $1;
$MTYPES{$suffix} = $mimetype;
last;
}
}
close($fh);
} else {
warn("Can't open MIME types file $mime_types for reading: $!");
}
}
$mimetype ||= $MTYPES{'*'};
$mimetype ||= $binary ? 'application/octet-stream' : 'text/plain';
return $mimetype;
}
###############################
# read first lines like head(1)
###############################
sub head($;$)
{
my ($fh, $linecount) = @_;
$linecount ||= 10;
my @buf;
if ($linecount > 0) {
for (my $i = 0; !eof($fh) && $i < $linecount; $i++) {
push @buf, scalar <$fh>;
}
} else {
@buf = <$fh>;
}
return @buf;
}
###############################
# scan vim and Emacs directives
###############################
sub scan_directives(@)
{
my $ts = undef;
for (@_) {
$ts = $1 if /\b(?:ts|tabstop|tab-width)[:=]\s*([1-9]\d*)\b/;
}
('tabstop' => $ts);
}
sub openOutputFilter()
{
return unless $output_filter;
open(STDOUT, "|-") and return;
# child of child
open(STDERR, '>', devnull()) unless $DEBUG;
exec($output_filter) or exit -1;
}
###############################
# show Annotation
###############################
sub doAnnotate($$)
{
my ($rev, $tag) = @_;
$rev = $tag || 'HEAD' if ($rev eq '.');
(my $pathname = $where) =~ s|((?<=/)Attic/)?[^/]*$||;
(my $filename = $where) =~ s|^.*/||;
# This annotate version is based on the cvs annotate-demo Perl script by
# Cyclic Software. It was written by Cyclic Software,
# http://www.cyclic.com/, and is in the public domain.
# We could abandon the use of rlog, rcsdiff and co using
# the cvs server in a similiar way one day (..after rewrite).
local (*CVS_IN, *CVS_OUT);
my $annotate_err;
my ($h, $err) =
startproc([ $CMD{cvs}, @annotate_options, 'server' ],
'<pipe', \*CVS_IN, '>pipe', \*CVS_OUT,
'2>', \$annotate_err);
fatal('500 Internal Error',
'Annotate failure (exit status %s), output: <pre>%s</pre>',
$? >> 8 || -1, $err)
unless $h;
# OK, first send the request to the server. A simplified example is:
# Root /home/kingdon/zwork/cvsroot
# Argument foo/xx
# Directory foo
# /home/kingdon/zwork/cvsroot/foo
# Directory .
# /home/kingdon/zwork/cvsroot
# annotate
# although as you can see there are a few more details.
print CVS_IN "Root $cvsroot\n";
print CVS_IN
"Valid-responses ok error Valid-requests Checked-in Updated Merged Removed M E\n";
# Don't worry about sending valid-requests, the server just needs to
# support "annotate" and if it doesn't, there isn't anything to be done.
print CVS_IN "UseUnchanged\n";
print CVS_IN "Argument -r\n";
print CVS_IN "Argument $rev\n";
print CVS_IN "Argument $where\n";
# The protocol requires us to fully fake a working directory (at
# least to the point of including the directories down to the one
# containing the file in question).
# So if $where is "dir/sdir/file", then dirs will be ("dir","sdir","file")
my $path = '';
foreach my $dir (split('/', $where)) {
if ($path eq "") {
# In our example, $dir is "dir".
$path = $dir;
} else {
print CVS_IN "Directory $path\n";
print CVS_IN "$cvsroot/$path\n";
# In our example, $_ is "sdir" and $path becomes "dir/sdir"
# And the next time, "file" and "dir/sdir/file" (which then gets
# ignored, because we don't need to send Directory for the file).
$path .= "/$dir";
}
}
undef $path;
# And the last "Directory" before "annotate" is the top level.
print CVS_IN "Directory .\n";
print CVS_IN "$cvsroot\n";
print CVS_IN "annotate\n";
# OK, we've sent our command to the server. Thing to do is to
# close the writer side and get all the responses.
if (!close(CVS_IN)) {
$h->finish();
fatal('500 Internal Error',
'Annotate failure (exit status %s): <code>%s</code>, output: ' .
'<pre>%s</pre>', $? >> 8, $!, $annotate_err);
}
navigateHeader($scriptwhere, $pathname, $filename, $rev, 'annotate');
my $revtype = ($rev =~ /\./) ? 'revision' : 'tag'; # TODO: tag -> branch/tag?
print '<h3 style="text-align: center">Annotation of ',
htmlquote("$pathname$filename"), ", $revtype $rev</h3>\n";
# Ready to get the responses from the server.
# For example:
# E Annotations for foo/xx
# E ***************
# M 1.3 (kingdon 06-Sep-97): hello
# ok
my ($lineNr) = 0;
my ($oldLrev, $oldLusr) = ("", "");
my ($revprint, $usrprint);
if ($annTable) {
print <<EOF;
<table style="border: none" cellspacing="0" cellpadding="0" summary="Annotation">
EOF
} else {
print "<pre>";
}
# prefetch several lines
my @buf = head(*CVS_OUT);
my %d = scan_directives(@buf);
while (@buf || !eof(*CVS_OUT)) {
$_ = @buf ? shift @buf : <CVS_OUT>;
my @words = split;
# Adding one is for the (single) space which follows $words[0].
my $rest = substr($_, length($words[0]) + 1);
if ($words[0] eq "E") {
next;
} elsif ($words[0] eq "M") {
$lineNr++;
(my $lrev = substr($_, 2, 13)) =~ y/ //d;
(my $lusr = substr($_, 16, 9)) =~ y/ //d;
my $line = substr($_, 36);
# TODO: this does not work for branch/tag revisions.
my $isCurrentRev = ($rev eq $lrev);
# we should parse the date here ..
if ($lrev eq $oldLrev) {
$revprint = sprintf('%-8s', '');
} else {
$revprint = sprintf('%-8s', $lrev);
$revprint =~ s|(\S+)|&link($1, uri_escape($filename)."$query#rev$1")|e;
$oldLusr = '';
}
$usrprint = ($lusr eq $oldLusr) ? '' : $lusr;
$oldLrev = $lrev;
$oldLusr = $lusr;
print $is_textbased ? '<b>' : '<span class="current-rev">'
if $isCurrentRev;
$usrprint = sprintf('%-8s', $usrprint);
printf '%s%s %s %4d:', $revprint, $isCurrentRev ? '!' : ' ',
htmlquote($usrprint), $lineNr;
print spacedHtmlText($line, $d{tabstop});
print $is_textbased ? '</b>' : '</span>' if $isCurrentRev;
} elsif ($words[0] eq "ok") {
# We could complain about any text received after this, like the
# CVS command line client. But for simplicity, we don't.
} elsif ($words[0] eq "error") {
fatal("500 Internal Error",
'Error occured during annotate: <b>%s</b>', $_);
}
}
$h->finish();
if ($annTable) {
print "</table>";
} else {
print "</pre>";
}
html_footer();
}
###############################
# make Checkout
###############################
sub doCheckout($$$)
{
my ($fullname, $rev, $tag) = @_;
$rev = $tag || undef if (!$rev || $rev eq '.');
# Start resolving whether we will do a markup view or not.
my $do_markup = undef;
my $want_type = $input{'content-type'};
# No markup if markup disallowed.
$do_markup = 0 unless $allow_markup;
# No markup if checkout magic cookie in URL.
$do_markup = 0 if (!defined($do_markup) && $doCheckout);
# Do markup if explicitly asked using cvsweb-markup content type. If the
# asked content type is anything else, no markup.
if (!defined($do_markup) && $want_type) {
if ($want_type =~ CVSWEBMARKUP) {
$want_type = undef;
$do_markup = 1;
} else {
$do_markup = 0;
}
}
# Ok, if $do_markup is still undefined, we know that a download has not been
# explicitly asked. For the last check further down below we'll need to
# know if the file is binary, and possibly run a log on it.
my $needlog = $do_markup || $use_moddate;
my $moddate = undef;
my $revopt;
if (defined($rev)) {
$revopt = "-r$rev";
if ($needlog) {
readLog($fullname, $rev);
$moddate = $date{$rev};
# TODO: even this does not work for branch tags, but only normal tags :(
$moddate ||= $date{$symrev{$rev}} if defined($symrev{$rev});
}
} else {
$revopt = "-rHEAD";
if ($needlog) {
readLog($fullname);
$moddate = $date{$symrev{HEAD}};
}
}
my $cr = abs_path($cvsroot) || $cvsroot;
# abs_path() taints when run as a CGI...
if ($cr =~ VALID_PATH) {
$cr = $1;
} else {
fatal('500 Internal Error', 'Illegal CVS root: <code>%s</code>', $cr);
}
# Use abs_path() to work around a bug of cvs -p; expand symlinks if we can.
my @cmd = ($CMD{cvs}, @cvs_options, '-d', $cr, 'co', '-p', $revopt, $where);
local (*CVS_OUT, *CVS_ERR);
my ($h, $err) =
startproc(\@cmd, \"", '>pipe', \*CVS_OUT, '2>pipe', \*CVS_ERR);
fatal('500 Internal Error',
'Checkout failure (exit status %s), output: <pre>%s</pre>',
$? >> 8 || -1, $err)
unless $h;
if (eof(CVS_ERR)) {
$h->finish();
fatal("404 Not Found", '%s is not (any longer) pertinent', $where);
}
#===================================================================
#Checking out squid/src/ftp.c
#RCS: /usr/src/CVS/squid/src/ftp.c,v
#VERS: 1.1.1.28.6.2
#***************
# Parse CVS header
my ($revision, $filename, $cvsheader);
$filename = "";
while (<CVS_ERR>) {
last if (/^\*\*\*\*/);
$revision = $1 if (/^VERS: (.*)$/);
if (/^Checking out (.*)$/) {
($filename = $1) =~ s|^\./+||;
}
$cvsheader .= $_;
}
close(CVS_ERR);
if ($filename ne $where) {
$h->finish();
fatal("500 Internal Error",
'Unexpected output from cvs co: <pre>%s</pre> ' .
'(expected "<code>%s</code>" but got "<code>%s</code>")',
$cvsheader, $where, $filename);
}
# Last checks whether we'll do markup or not.
my $isbin = $keywordsubstitution && $keywordsubstitution =~ /b/;
my $mimetype = getMimeType($fullname, $isbin);
# If we still are not sure whether to do markup or not:
# if the MIME type is "viewable" or this is not a binary file, do.
$do_markup = !$isbin || viewable($mimetype) unless defined($do_markup);
if ($do_markup) {
# If this is something we'll be linking to in the markup view, we are
# done with this particular output from "cvs co" and must discard it.
my $linked = $mimetype =~ m{^image/|application/pdf$}i;
if ($linked) {
close(CVS_OUT);
$h->finish();
}
# Here we know the last modified date, but don't know if tags have been
# added afterwards (those are shown in the markup view): no last-modified.
cvswebMarkup(\*CVS_OUT, $fullname, $revision, $isbin, $mimetype, $needlog);
$h->finish() unless $linked;
} else {
http_header($want_type || $mimetype, $moddate);
local $/ = undef;
print <CVS_OUT>;
$h->finish();
}
}
sub cvswebMarkup($$$$$$;$)
{
my ($filehandle, $fullname, $rev, $isbin, $mimetype, $logged, $mod) = @_;
(my $pathname = $where) =~ s|((?<=/)Attic/)?[^/]*$||;
(my $filename = $where) =~ s|^.*/||;
navigateHeader($scriptwhere, $pathname, $filename, $rev, 'view', $mod);
print <<EOF;
<hr />
<div class="log-markup">
File:&nbsp;
EOF
print &clickablePath($where, 1), "<br />\n";
if ($show_log_in_markup) {
readLog($fullname) unless $logged; #,$rev);
printLog($rev, $mimetype, $isbin);
} else {
print "Revision: <b>$rev</b><br />\n";
print 'Tag: ', htmlquote($input{only_with_tag}), "<br />\n"
if $input{only_with_tag};
}
print "</div>\n<hr />";
my $url = download_url(uri_escape($filename), $rev, $mimetype);
if ($mimetype =~ m|^image/|i) {
printf '<img src="%s" alt="%s" /><br />',
$url . $barequery, htmlquote($filename);
} elsif (lc($mimetype) eq 'application/pdf') {
printf '<embed src="%s" width="100%%" height="100%%" /><br />',
$url . $barequery;
} else {
print "<pre>\n";
my $linenumbers = $input{ln} || 0;
if (my $enscript_hl = getEnscriptHL($filename)) {
doEnscript($filehandle, $enscript_hl, $linenumbers);
} else {
my $ln = 0;
my @buf = ();
my $ts = undef;
if ($preformat_in_markup) {
# prefetch several lines
@buf = head($filehandle);
my %d = scan_directives(@buf);
$ts = $d{tabstop};
}
while (@buf || !eof($filehandle)) {
$_ = @buf ? shift @buf : <$filehandle>;
if ($linenumbers) {
$ln++;
printf '<a id="l%d" class="src">%5d: </a>', ($ln) x 2;
}
print $preformat_in_markup ? spacedHtmlText($_, $ts) : htmlquote($_);
}
}
print "</pre>\n";
}
html_footer();
}
sub viewable($)
{
return shift =~ m{^((text|image)/|application/pdf)}i;
}
###############################
# Show Colored Diff
###############################
sub doDiff($$$$$$)
{
my ($fullname, $r1, $tr1, $r2, $tr2, $f) = @_;
if (forbidden($fullname)) {
fatal('403 Forbidden', 'Access to %s forbidden.', $where);
}
my ($rev1, $sym1);
if ($r1 =~ /([^:]+)(:(.+))?/) {
$rev1 = $1;
$sym1 = $3;
}
if ($r1 eq 'text') {
$rev1 = $tr1;
$sym1 = "";
}
my ($rev2, $sym2);
if ($r2 =~ /([^:]+)(:(.+))?/) {
$rev2 = $1;
$sym2 = $3;
}
if ($r2 eq 'text') {
$rev2 = $tr2;
$sym2 = "";
}
#
# rev1 and rev2 are now both numeric revisions.
# Thus we do a DWIM here and swap them if rev1 is after rev2.
# XXX should we warn about the fact that we do this?
if (&revcmp($rev1, $rev2) > 0) {
my ($tmp1, $tmp2) = ($rev1, $sym1);
($rev1, $sym1) = ($rev2, $sym2);
($rev2, $sym2) = ($tmp1, $tmp2);
}
my $mimetype = getMimeType($fullname);
#
# Check for per-MIME type diff commands.
#
my $diffcmd = undef;
if (my $diffcmds = $DIFF_COMMANDS{lc($mimetype)}) {
if ($f =~ /^ext(\d*)$/) {
my $n = $1 || 0;
$diffcmd = $diffcmds->[$n];
}
}
if ($diffcmd && $diffcmd->{cmd} && $diffcmd->{name}) {
if ($diffcmd->{args} && ref($diffcmd->{args}) ne 'ARRAY') {
fatal('500 Internal Error',
'Configuration error: arguments to external diff tools must ' .
'be given as array refs. See "<code>%s</code>" in ' .
'<code>%%DIFF_COMMANDS</code>.',
$diffcmd->{name});
}
(my $cvsname = $where) =~ s/\.diff$//;
# Create two temporary files with the two revisions
my $temp_fn1 = checkout_to_temp($cvsroot, $cvsname, $rev1);
my $temp_fn2 = checkout_to_temp($cvsroot, $cvsname, $rev2);
# Execute chosen diff binary.
local (*DIFF_OUT);
my @cmd = ($diffcmd->{cmd});
push(@cmd, @{$diffcmd->{args}}) if $diffcmd->{args};
push(@cmd, $temp_fn1, $temp_fn2);
my ($h, $err) = startproc(\@cmd, \"", '>pipe', \*DIFF_OUT);
if (!$h) {
unlink($temp_fn1);
unlink($temp_fn2);
fatal('500 Internal Error',
'Diff failure (exit status %s), output: <pre>%s</pre>',
$? >> 8 || -1, $err);
}
http_header($diffcmd->{type} || 'text/plain');
local $/ = undef;
print <DIFF_OUT>;
$h->finish();
unlink($temp_fn1);
unlink($temp_fn2);
exit;
}
#
# Normal CVS diff.
#
$f = $DEFAULTVALUE{f} || 'u' if ($f =~ /^ext\d*$/);
my $difftype = $DIFFTYPES{$f};
if (!$difftype) {
fatal("400 Bad arguments", 'Diff format %s not understood', $f);
}
my @difftype = @{$difftype->{opts}};
my $human_readable = $difftype->{colored};
# Apply special diff options. -p and -F are not available with side by side
# diffs and may cause problems with older (< 2.8) versions of diffutils if
# used with --side-by-side.
if ($showfunc && $f !~ /^s/) {
push(@difftype, '-p');
while (my ($re1, $re2) = each %funcline_regexp) {
if ($fullname =~ $re1) {
push(@difftype, '-F', $re2);
last;
}
}
}
if ($human_readable) {
push(@difftype, '-w') if $hr_ignwhite;
push(@difftype, '-kk') if $hr_ignkeysubst;
}
my $fh = do { local (*FH); };
if (!open($fh, "-|")) { # child
open(STDERR, ">&STDOUT"); # Redirect stderr to stdout
openOutputFilter();
exec($CMD{rcsdiff}, @rcsdiff_options, @difftype, "-r$rev1", "-r$rev2",
$fullname) or exit -1;
}
if ($human_readable) {
#
# Human readable diff.
#
human_readable_diff($fh, $rev2);
html_footer();
gzipclose();
exit;
} elsif ($f =~ /^([ucs])c$/) {
#
# Enscript colored diff.
#
my $hl = 'diff';
$hl .= $1 if ($1 eq 'u' || $1 eq 's');
(my $where_nd = $where) =~ s/\.diff$//;
(my $pathname = $where_nd) =~ s|((?<=/)Attic/)?[^/]*$||;
(my $filename = $where_nd) =~ s|^.*/||;
(my $swhere = $scriptwhere) =~ s|\.diff$||;
navigateHeader($swhere, $pathname, $filename, $rev2, 'diff');
printf(<<EOF, $where_nd, $rev1, $rev2);
<h3 style="text-align: center">Diff for /%s between versions %s and %s</h3>
<pre>
EOF
doEnscript(\$fh, $hl, 0, 'cvsweb_diff');
print <<EOF;
</pre>
<hr style="width: 100%" />
<form method="get" action="$scriptwhere">
EOF
printDiffSelectStickyVars();
print 'Diff format: ';
printDiffSelect($use_java_script);
print "<input type=\"submit\" value=\"Show\" />\n</form>\n";
html_footer();
gzipclose();
exit;
} else {
#
# Plain diff.
#
http_header("text/plain");
}
#
#===================================================================
#RCS file: /home/ncvs/src/sys/netinet/tcp_output.c,v
#retrieving revision 1.16
#retrieving revision 1.17
#diff -c -r1.16 -r1.17
#*** /home/ncvs/src/sys/netinet/tcp_output.c 1995/11/03 22:08:08 1.16
#--- /home/ncvs/src/sys/netinet/tcp_output.c 1995/12/05 17:46:35 1.17
#
# Ideas:
# - nuke the stderr output if it's what we expect it to be
# - Add "no differences found" if the diff command supplied no output.
#
#*** src/sys/netinet/tcp_output.c 1995/11/03 22:08:08 1.16
#--- src/sys/netinet/tcp_output.c 1995/12/05 17:46:35 1.17 RELENG_2_1_0
# (bogus example, but...)
#
my ($f1, $f2);
if (grep { $_ eq '-u' } @difftype) {
$f1 = '---';
$f2 = '\+\+\+';
} else {
$f1 = '\*\*\*';
$f2 = '---';
}
while (<$fh>) {
if (m|^$f1 $cvsroot|o) {
s|$cvsroot/||o;
if ($sym1) {
chop;
$_ .= " $sym1\n";
}
} elsif (m|^$f2 $cvsroot|o) {
s|$cvsroot/||o;
if ($sym2) {
chop;
$_ .= " $sym2\n";
}
}
print $_;
}
close($fh);
}
###############################
# Show Logs ..
###############################
sub getDirLogs($$@)
{
my ($cvsroot, $dirname, @otherFiles) = @_;
my $tag = $input{only_with_tag};
my $DirName = catdir($cvsroot, $where);
my @files = &safeglob("$DirName/*,v");
push (@files, &safeglob("$DirName/Attic/*,v")) unless $input{hideattic};
foreach my $file (@otherFiles) {
push(@files, catfile($DirName, $file));
}
# Weed out unreadable files.
my $i = 0;
my @unreadable = ();
while ($i < scalar(@files)) {
# Note: last modified files from subdirs returned by
# findLastModifiedSubdirs() come without the ,v suffix so they're not
# found here, but have already been checked for readability. *cough*
if (-r $files[$i] || !-e _) {
$i++;
} else {
push(@unreadable, splice(@files, $i, 1));
}
}
# If there are no files, we're done.
return @unreadable unless @files;
my @cmd = ($CMD{rlog});
# Can't use -r<tag> as '-' is allowed in tagnames,
# but misinterpreted by rlog.
push(@cmd, '-r') unless defined($tag);
my $fh = do { local (*FH); };
if (!open($fh, '-|')) { # Child
open(STDERR, '>', devnull()) unless $DEBUG; # Ignore rlog's complaints.
openOutputFilter();
if ($file_list_len && $file_list_len > 1) {
while (scalar(@files) > $file_list_len) { # Process files in chunks.
system(@cmd, splice(@files, 0, $file_list_len)) == 0 or exit -1;
}
}
exec(@cmd, @files) or exit -1;
}
undef @cmd;
my $state = 'start';
my ($date, $branchpoint, $branch, $log, @filetags);
my ($rev, $revision, $revwanted, $filename, $head, $author, $keywordsubst);
while (<$fh>) {
if ($state eq "start") {
#Next file. Initialize file variables
$rev = '';
$revwanted = '';
$branch = '';
$branchpoint = '';
$filename = '';
$log = '';
$revision = '';
%symrev = ();
@filetags = ();
$keywordsubst= '';
#jump to head state
$state = "head";
}
again:
if ($state eq "head") {
#$rcsfile = $1 if (/^RCS file: (.+)$/); #not used (yet)
if (/^Working file: (.+)$/) {
$filename = $1;
} elsif (/^head: (.+)$/) {
$head = $1;
} elsif (/^branch: (.+)$/) {
$branch = $1;
} elsif (/^keyword substitution: (.+)$/) {
$keywordsubst = $1;
} elsif (/^symbolic names:/) {
$state = "tags";
($branch = $head) =~ s/\.\d+$//
if $branch eq '';
$branch =~ s/(\d+)$/0.$1/;
$symrev{MAIN} = $branch;
$symrev{HEAD} = $branch;
$alltags{MAIN} = 1;
$alltags{HEAD} = 1;
push (@filetags, "MAIN", "HEAD");
} elsif ($_ =~ LOG_REVSEPR) {
$state = "log";
$rev = '';
$date = '';
$log = '';
# Try to reconstruct the relative filename if RCS spits out a full path
$filename =~ s%^\Q$DirName\E/%%;
}
next;
}
if ($state eq "tags") {
if (/^\s+([^:]+):\s+([\d\.]+)\s*$/) {
push (@filetags, $1);
$symrev{$1} = $2;
$alltags{$1} = 1;
next;
} elsif (/^\S/) {
if (defined($tag)) {
if (defined($symrev{$tag}) || $tag eq "HEAD") {
$revwanted = $symrev{$tag eq "HEAD" ? "MAIN" : $tag};
($branch = $revwanted) =~ s/\b0\.//;
($branchpoint = $branch) =~ s/\.?\d+$//;
$revwanted = '' if ($revwanted ne $branch);
} elsif ($tag ne "HEAD") {
$state = "skip";
next;
}
}
foreach my $tagfound (@filetags) {
$tags{$tagfound} = 1;
}
$state = "head";
goto again;
}
}
if ($state eq "log") {
if ($_ =~ LOG_REVSEPR || $_ =~ LOG_FILESEPR) {
# End of a log entry.
my $revbranch = $rev;
$revbranch =~ s/\.\d+$//;
if ($revwanted eq '' && $branch ne '' && $branch eq $revbranch
|| !defined($tag))
{
$revwanted = $rev;
}
if ($revwanted ne ''
? $rev eq $revwanted
: $branchpoint ne ''
? $rev eq $branchpoint
: 0
&& ($rev eq $head))
{ # Don't think head is needed here..
my @finfo = ($rev, $date, $log, $author, $filename, $keywordsubst);
(my $name = $filename) =~ s%/.*%%;
$fileinfo{$name} = [@finfo];
$state = "done" if ($rev eq $revwanted);
}
$rev = '';
$date = '';
$log = '';
} elsif ($date eq ''
&& m|^date:\s+(\d+)/(\d+)/(\d+)\s+(\d+):(\d+):(\d+);|)
{
my $yr = $1;
$yr -= 1900 if ($yr > 100); # Damn 2-digit year routines :-)
$date = timegm($6, $5, $4, $3, $2 - 1, $yr);
($author) = /author: ([^;]+)/;
$state = 'log';
$log = '';
next;
} elsif ($rev eq '' && /^revision (\d+(?:\.\d+)+).*$/) {
$rev = $1; # .*$ eats up the locker(lockers?) info, if any
next;
} else {
$log .= $_;
}
}
if ($_ =~ LOG_FILESEPR) {
$state = "start";
next;
}
}
my $linesread = $. || 0;
close($fh);
if ($linesread == 0) {
fatal('500 Internal Error',
'Failed to spawn GNU rlog on <em>"%s"</em>.<br /><br />Did you set the <b><code>@command_path</code></b> in your configuration file correctly? (Currently: "<code>%s</code>")',
htmlquote(join(', ', @files)), join(':', @command_path));
}
return @unreadable;
}
sub readLog($;$)
{
my ($fullname, $revision) = @_;
my ($symnames, $head, $rev, $br, $brp, $branch, $branchrev);
undef %symrev;
undef %revsym;
undef @allrevisions;
undef %date;
undef %author;
undef %state;
undef %difflines;
undef %log;
$keywordsubstitution = '';
my $fh = do { local (*FH); };
if (!open($fh, "-|")) { # child
openOutputFilter();
$revision = defined($revision) ? "-r$revision" : '';
if ($revision =~ /\./) {
# Normal revision, not a branch/tag name.
exec($CMD{rlog}, $revision, $fullname) or exit -1;
} else {
exec($CMD{rlog}, $fullname) or exit -1;
}
}
my $curbranch = undef;
while (<$fh>) {
if ($symnames) {
if (/^\s+([^:]+):\s+([\d\.]+)/) {
$symrev{$1} = $2;
next;
} else {
$symnames = 0;
}
}
if (/^head:\s+([\d\.]+)/) {
$head = $1;
} elsif (/^branch:\s+([\d\.]+)/) {
$curbranch = $1;
} elsif (/^symbolic names/) {
$symnames = 1;
} elsif (/^keyword substitution: (.+)$/) {
$keywordsubstitution = $1;
} elsif (/^-----/) {
last;
}
}
($curbranch = $head) =~ s/\.\d+$// if (!defined($curbranch));
# each log entry is of the form:
# ----------------------------
# revision 3.7.1.1
# date: 1995/11/29 22:15:52; author: fenner; state: Exp; lines: +5 -3
# log info
# ----------------------------
# For a locked revision, the first line after the separator
# becomes smth like
# revision 9.19 locked by: vassilii;
logentry:
while ($_ !~ LOG_FILESEPR) {
$_ = <$fh>;
last logentry if (!defined($_)); # EOF
if (/^revision (\d+(?:\.\d+)+)/) {
$rev = $1;
unshift(@allrevisions, $rev);
} elsif ($_ =~ LOG_FILESEPR || $_ =~ LOG_REVSEPR) {
next logentry;
} else {
# The rlog output is syntactically ambiguous. We must
# have guessed wrong about where the end of the last log
# message was.
# Since this is likely to happen when people put rlog output
# in their commit messages, don't even bother keeping
# these lines since we don't know what revision they go with
# any more.
next logentry;
}
$_ = <$fh>;
if (
m|^date:\s+(\d+)/(\d+)/(\d+)\s+(\d+):(\d+):(\d+);\s+author:\s+(\S+);\s+state:\s+(\S+);\s+(lines:\s+([0-9\s+-]+))?|
)
{
my $yr = $1;
$yr -= 1900 if ($yr > 100); # Damn 2-digit year routines :-)
$date{$rev} = timegm($6, $5, $4, $3, $2 - 1, $yr);
$author{$rev} = $7;
$state{$rev} = $8;
$difflines{$rev} = $10;
} else {
fatal("500 Internal Error", 'Error parsing RCS output: %s', $_);
}
line:
while (<$fh>) {
next line if (/^branches:\s/);
last line if ($_ =~ LOG_FILESEPR || $_ =~ LOG_REVSEPR);
$log{$rev} .= $_;
}
}
close($fh);
@revorder = reverse sort { revcmp($a, $b) } @allrevisions;
#
# HEAD is an artificial tag which is simply the highest tag number on the main
# branch, unless there is a branch tag in the RCS file in which case it's the
# highest revision on that branch. Find it by looking through @revorder; it
# is the first commit listed on the appropriate branch.
# This is not neccesary the same revision as marked as head in the RCS file.
my $headrev = $curbranch || "1";
($symrev{MAIN} = $headrev) =~ s/(\d+)$/0.$1/;
foreach $rev (@revorder) {
if ($rev =~ /^(\S*)\.\d+$/ && $headrev eq $1) {
$symrev{HEAD} = $rev;
last;
}
}
($symrev{HEAD} = $headrev) =~ s/\.\d+$// unless defined($symrev{HEAD});
#
# Now that we know all of the revision numbers, we can associate
# absolute revision numbers with all of the symbolic names, and
# pass them to the form so that the same association doesn't have
# to be built then.
#
undef @branchnames;
undef %branchpoint;
undef $sel;
foreach (reverse sort keys %symrev) {
$rev = $symrev{$_};
if ($rev =~ /^((.*)\.)?\b0\.(\d+)$/) {
push (@branchnames, $_);
#
# A revision number of A.B.0.D really translates into
# "the highest current revision on branch A.B.D".
#
# If there is no branch A.B.D, then it translates into
# the head A.B .
#
# This reasoning also applies to the main branch A.B,
# with the branch number 0.A, with the exception that
# it has no head to translate to if there is nothing on
# the branch, but I guess this can never happen?
#
# (the code below gracefully forgets about the branch
# if it should happen)
#
$head = defined($2) ? $2 : "";
$branch = $3;
$branchrev = $head . ($head ne "" ? "." : "") . $branch;
$rev = $head;
my $regex = '^' . quotemeta($branchrev) . '\b';
$regex = qr/$regex/;
foreach my $r (@revorder) {
if ($r =~ $regex) {
$rev = $branchrev;
last;
}
}
next if ($rev eq "");
if ($rev ne $head && $head ne "") {
$branchpoint{$head} .= ', ' if ($branchpoint{$head});
$branchpoint{$head} .= $_;
}
}
$revsym{$rev} .= ", " if ($revsym{$rev});
$revsym{$rev} .= $_;
$sel .= sprintf("<option value=\"%s:%s\">%s</option>\n",
htmlquote($rev), (htmlquote($_)) x 2);
}
my ($onlyonbranch, $onlybranchpoint);
if ($onlyonbranch = $input{only_with_tag}) {
$onlyonbranch = $symrev{$onlyonbranch};
if ($onlyonbranch && $onlyonbranch =~ s/\b0\.//) {
($onlybranchpoint = $onlyonbranch) =~ s/\.\d+$//;
} else {
$onlybranchpoint = $onlyonbranch;
}
if (!defined($onlyonbranch) || $onlybranchpoint eq "") {
fatal("404 Tag not found", 'Tag "<code>%s</code>" is not defined.',
$input{only_with_tag});
}
}
undef @revisions;
foreach (@allrevisions) {
($br = $_) =~ s/\.\d+$//;
($brp = $br) =~ s/\.\d+$//;
next if ($onlyonbranch
&& $br ne $onlyonbranch
&& $_ ne $onlybranchpoint);
unshift(@revisions, $_);
}
if ($logsort eq "date") {
# Sort the revisions in commit order an secondary sort on revision
# (secondary sort needed for imported sources, or the first main
# revision gets before the same revision on the 1.1.1 branch)
@revdisplayorder =
sort { $date{$b} <=> $date{$a} || -revcmp($a, $b) } @revisions;
} elsif ($logsort eq "rev") {
# Sort the revisions in revision order, highest first
@revdisplayorder = reverse sort { revcmp($a, $b) } @revisions;
} else {
# No sorting. Present in the same order as rlog / cvs log
@revdisplayorder = @revisions;
}
return $curbranch;
}
sub getDiffLinks($$$)
{
my ($url, $mimetype, $isbin) = @_;
my @links = ();
if (!$isbin) { # Offer ordinary diff only for non-binary files.
push(@links, &link('preferred', $url));
for my $difftype ($DIFFTYPES{$defaultDiffType}{colored} ? qw(u) : qw(h)) {
my $f = $difftype eq $defaultDiffType ? '' : $difftype;
push(@links,
&link(htmlquote(lc($DIFFTYPES{$difftype}{descr})), "$url;f=$f"));
}
}
if (my $extdiffs = $DIFF_COMMANDS{lc($mimetype)}) {
for my $i (0 .. scalar(@$extdiffs)-1) {
my $extdiff = $extdiffs->[$i];
push(@links, &link(htmlquote($extdiff->{name}), "$url;f=ext$i"))
if ($extdiff->{cmd} && $extdiff->{name});
}
}
return @links;
}
sub printLog($$$;$$)
{
# inlogview: 1 if in log view, otherwise in markup view.
($_, my $mimetype, my $isbin, my $inlogview, my $isSelected) = @_;
(my $br = $_) =~ s/\.\d+$//;
(my $brp = $br) =~ s/\.?\d+$//;
print "<a name=\"rev$_\"></a>";
if (defined($revsym{$_})) {
foreach my $sym (split(", ", $revsym{$_})) {
print '<a name="', htmlquote($sym), '"></a>';
}
}
if ($revsym{$br} && !defined($nameprinted{$br})) {
foreach my $sym (split(", ", $revsym{$br})) {
print '<a name="', htmlquote($sym), '"></a>';
}
$nameprinted{$br} = 1;
}
print "\n Revision <b>$_</b>";
if (/^1\.1\.1\.\d+$/) {
print " <i>(vendor branch)</i>";
}
(my $filename = $where) =~ s|^.*/||;
my $fileurl = uri_escape($filename);
undef $filename;
my $isDead = ($state{$_} eq 'dead');
if (!$isDead) {
print ': ', download_link($fileurl, $_, 'download', $mimetype);
my @vlinks = ();
push(@vlinks, display_link($fileurl, $_, 'text', 'text/plain'))
unless $isbin;
push(@vlinks, display_link($fileurl, $_, 'markup', 'text/x-cvsweb-markup'))
if ($allow_markup && $inlogview && (!$isbin || viewable($mimetype)));
if (!$isbin && $allow_annotate) {
push(@vlinks,
&link('annotated',
sprintf('%s?annotate=%s%s', $fileurl, $_, $barequery)));
}
print ' - view: ', join(', ', @vlinks) if @vlinks;
undef @vlinks;
if (!$isbin && $allow_version_select) {
print ' - ';
if ($isSelected) {
print '<b>[selected&nbsp;for&nbsp;diffs]</b>';
} else {
print &link('select&nbsp;for&nbsp;diffs',
sprintf('%s?r1=%s%s#rev%s',
$fileurl, $_, $barequery, $_));
}
}
print ' - ', graph_link('', 'revision graph')
if (!$inlogview && $allow_cvsgraph);
}
print "<br />\n";
print '<i>';
if (defined @mytz) {
my ($est) = $mytz[(localtime($date{$_}))[8]];
print scalar localtime($date{$_}), " $est</i> (";
} else {
print scalar gmtime($date{$_}), " UTC</i> (";
}
print readableTime(time() - $date{$_}, 1), ' ago)';
print ' by <i>', htmlquote($author{$_}), "</i><br />\n";
printf("Branches: %s<br />\n", link_tags($revsym{$br})) if $revsym{$br};
printf("CVS tags: %s<br />\n", link_tags($revsym{$_})) if $revsym{$_};
printf("Branch point for: %s<br />\n", link_tags($branchpoint{$_}))
if $branchpoint{$_};
# Find the previous revision
my $prev;
my @prevrev = split(/\./, $_);
do {
if (--$prevrev[$#prevrev] <= 0) {
# If it was X.Y.Z.1, just make it X.Y
pop (@prevrev);
pop (@prevrev);
}
$prev = join (".", @prevrev);
} until (defined($date{$prev}) || $prev eq "");
if ($isDead) {
print "<b><i>FILE REMOVED</i></b><br />\n";
} else {
my %diffrev = ();
$diffrev{$_} = 1;
$diffrev{""} = 1;
my $diff = 'Diff to:';
my $printed = 0;
#
# Offer diff to previous revision
if ($prev) {
$diffrev{$prev} = 1;
my $url =
sprintf('%s.diff?r1=%s;r2=%s%s', $fileurl, $prev, $_, $barequery);
if (my @dlinks = getDiffLinks($url, $mimetype, $isbin)) {
print $diff, ' previous ', $prev, ': ', join(', ', @dlinks);
$diff = ';'; $printed = 1;
}
}
#
# Plus, if it's on a branch, and it's not a vendor branch,
# offer a diff with the branch point.
if ($revsym{$brp}
&& !/^1\.1\.1\.\d+$/
&& !defined($diffrev{$brp}))
{
my $url =
sprintf('%s.diff?r1=%s;r2=%s%s', $fileurl, $brp, $_, $barequery);
if (my @dlinks = getDiffLinks($url, $mimetype, $isbin)) {
print $diff, ' branchpoint ', $brp, ': ', join(', ', @dlinks);
$diff = ';'; $printed = 1;
}
}
#
# Plus, if it's on a branch, and it's not a vendor branch,
# offer to diff with the next revision of the higher branch.
# (e.g. change gets committed and then brought
# over to -stable)
if (/^\d+\.\d+\.\d+/ && !/^1\.1\.1\.\d+$/) {
my ($i, $nextmain);
for ($i = 0; $i < $#revorder && $revorder[$i] ne $_; $i++) {
}
my @tmp2 = split(/\./, $_);
for ($nextmain = ""; $i > 0; $i--) {
my $next = $revorder[$i - 1];
my @tmp1 = split(/\./, $next);
if (@tmp1 < @tmp2) {
$nextmain = $next;
last;
}
# Only the highest version on a branch should have
# a diff for the "next MAIN".
last
if (@tmp1 - 1 <= @tmp2
&& join (".", @tmp1[0 .. $#tmp1 - 1]) eq
join (".", @tmp2[0 .. $#tmp1 - 1]));
}
if (!defined($diffrev{$nextmain})) {
$diffrev{$nextmain} = 1;
my $url = sprintf('%s.diff?r1=%s;r2=%s%s',
$fileurl, $nextmain, $_, $barequery);
if (my @dlinks = getDiffLinks($url, $mimetype, $isbin)) {
print $diff, ' next MAIN ', $nextmain, ': ', join(', ', @dlinks);
$diff = ';'; $printed = 1;
}
}
}
# Plus if user has selected only r1, then present a link
# to make a diff to that revision
if (defined($input{r1}) && !defined($diffrev{$input{r1}})) {
$diffrev{$input{r1}} = 1;
my $url = sprintf('%s.diff?r1=%s;r2=%s%s',
$fileurl, $input{r1}, $_, $barequery);
if (my @dlinks = getDiffLinks($url, $mimetype, $isbin)) {
print $diff, ' selected ', $input{r1}, ': ', join(', ', @dlinks);
$diff = ';'; $printed = 1;
}
}
print "<br />\n" if $printed;
}
if ($prev ne "" && $difflines{$_}) {
printf "Changes since revision %s: %s lines<br />\n",
htmlquote($prev), htmlquote($difflines{$_});
}
print "<pre class=\"log\">\n";
print &htmlify($log{$_}, $allow_log_extra);
print "</pre>\n";
}
#
# Generates the HTML view for CvsGraph.
#
sub doGraphView()
{
(my $pathname = $where) =~ s|[^/]*$||;
(my $filename = $where) =~ s|^.*/||;
navigateHeader($scriptwhere, $pathname, $filename, undef, 'graph');
my $title = 'Revision graph of ' . htmlquote($pathname . $filename);
my $mapname = 'CvsGraphMap';
printf(<<EOF, $title, $mapname, $cvstree, $title);
<h3 style="text-align: center">%s</h3>
<div style="text-align: center"><img border="0" usemap="#%s" src="?cvsroot=%s;graph=1;makeimage=1" alt="%s" />
EOF
# Remove any pre-existing tag/branch names from branch links.
(my $notag_query = $barequery) =~ s/;+only_with_tag=.*?(?=;|$)//g;
my @graph_cmd =
($CMD{cvsgraph},
'-r', $cvsroot,
'-m', $pathname,
'-i',
'-M', $mapname,
'-x', 'x',
"-Omap_branch_href=\"href=\\\"./?only_with_tag=%(%t%)$notag_query\\\"\"",
"-Omap_rev_href=\"href=\\\"?rev=%(%R%)$barequery\\\"\"",
"-Omap_diff_href=\"href=\\\"%(%F%).diff" .
"?r1=%(%P%);r2=%(%R%)$barequery\\\"\"",
);
push(@graph_cmd, '-c', $cvsgraph_config) if $cvsgraph_config;
push(@graph_cmd, $filename . ',v');
local *CVSGRAPH_OUT;
my ($h, $err) =
startproc(\@graph_cmd, \"", '>pipe', \*CVSGRAPH_OUT);
fatal('500 Internal Error', $err) unless $h;
# Browser compatibility kludge: many browsers do not support client side
# image maps where the <map> element contains only the id attribute. Let's
# add the corresponding name attribute to it on the fly.
while (<CVSGRAPH_OUT>) {
s/(<map\s+id="([^"]+)")\s*>/$1 name="$2">/;
print;
}
$h->finish();
print "</div>\n";
html_footer();
}
#
# Generates a graph using CvsGraph.
#
sub doGraph()
{
(my $pathname = $where) =~ s|[^/]*$||;
(my $filename = $where) =~ s|^.*/||;
http_header('image/png');
my @graph_cmd = ($CMD{cvsgraph}, '-r', $cvsroot, '-m', $pathname);
push(@graph_cmd, '-c', $cvsgraph_config) if $cvsgraph_config;
push(@graph_cmd, $filename . ',v');
local *CVSGRAPH_OUT;
my ($h, $err) =
startproc(\@graph_cmd, \"", '>pipe', \*CVSGRAPH_OUT);
fatal('500 Internal Error', $err) unless $h;
{
local $/ = undef;
binmode(\*STDOUT);
print <CVSGRAPH_OUT>;
}
$h->finish();
}
sub doLog($)
{
my ($fullname) = @_;
my $curbranch = readLog($fullname);
html_header("CVS log for $where");
my $upwhere = $where;
(my $filename = $where) =~ s|^.*/||;
my $backurl = "./$query#" . uri_escape($filename);
if ($where =~ m|^(.*?)((?<=/)Attic/)?[^/]+$|) {
$upwhere = $1;
$backurl = ".$backurl" if $2; # skip over Attic
}
my $isbin = $keywordsubstitution =~ /b/;
my $mimetype = getMimeType($filename, $isbin);
print "<p>\n ";
print &link($backicon, $backurl), " <b>Up to ",
&clickablePath($upwhere, 1), "</b>\n</p>\n";
print "<p>\n ";
print &link('Request diff between arbitrary revisions', '#diff');
print ' - ', &graph_link('', 'Display revisions graphically')
if $allow_cvsgraph;
if ($cvshistory_url) {
(my $d = $upwhere) =~ s|/+$||;
print ' - ', history_link($d, $filename);
}
print "\n</p>\n<hr />\n";
print "<p>\n";
my $explain = $isbin ? ' (i.e.: CVS considers this a binary file)' : '';
print "Keyword substitution: $keywordsubstitution$explain<br />\n";
if ($curbranch) {
print "Default branch: ", ($revsym{$curbranch} || $curbranch);
} else {
print "No default branch";
}
print "<br />\n";
print 'Current tag: ', htmlquote($input{only_with_tag}), "<br />\n"
if $input{only_with_tag};
print "</p>\n";
undef %nameprinted;
for my $r (@revdisplayorder) {
print "<hr />\n";
my $sel = (defined($input{r1}) && $input{r1} eq $r);
print "<div class=\"diff-selected\">\n" if $sel;
printLog($r, $mimetype, $isbin, 1, $sel);
print "</div>\n" if $sel;
}
printf(<<EOF, $scriptwhere);
<hr />
<form method="get" action="%s.diff" id="diff_select">
<fieldset>
<legend>Diff request</legend>
<p>
<a name="diff">
This form allows you to request diffs between any two revisions of a file.
You may select a symbolic revision name using the selection box or you may
type in a numeric name using the type-in text box.
</a>
</p>
EOF
foreach (@stickyvars) {
printf("<input type=\"hidden\" name=\"%s\" value=\"%s\" />\n",
$_, htmlquote($input{$_}))
if (defined($input{$_}) &&
(!defined($DEFAULTVALUE{$_}) || $input{$_} ne $DEFAULTVALUE{$_}));
}
print <<EOF;
<table summary="Diff between arbitrary revisions">
<tr>
<td class="opt-label">
<label for="r1" accesskey="1">Diffs between</label>
</td>
<td class="opt-value">
<select id="r1" name="r1">
<option value="text" selected="selected">Use Text Field</option>
EOF
print $sel, "</select>\n";
my $diffrev = defined($input{r1}) ?
$input{r1} : $revdisplayorder[$#revdisplayorder];
printf(<<EOF, $inputTextSize, $diffrev);
<input type="text" size="%s" name="tr1" value="%s" onchange="this.form.r1.selectedIndex=0" />
</td>
<td></td>
</tr>
<tr>
<td class="opt-label">
<label for="r2" accesskey="2">and</label>
</td>
<td class="opt-value">
<select id="r2" name="r2">
<option value="text" selected="selected">Use Text Field</option>
EOF
print $sel, "</select>\n";
$diffrev = defined($input{r2}) ? $input{r2} : $revdisplayorder[0];
printf(<<EOF, $inputTextSize, $diffrev, $scriptwhere);
<input type="text" size="%s" name="tr2" value="%s" onchange="this.form.r2.selectedIndex=0" />
</td>
<td><input type="submit" value="Get Diffs" accesskey="G" /></td>
</tr>
</table>
</fieldset>
</form>
<form method="get" action="%s">
<fieldset>
<legend>Log view options</legend>
<table summary="Log view options">
<tr>
<td class="opt-label">
<label for="f" accesskey="D">Preferred diff type:</label>
</td>
<td class="opt-value">
EOF
printDiffSelect($use_java_script);
print <<EOF;
</td>
<td></td>
</tr>
EOF
if (@branchnames) {
printf(<<EOF, $use_java_script ? ' onchange="this.form.submit()"' : '');
<tr>
<td class="opt-label">
<label for="only_with_tag" accesskey="B">View only branch:</label>
</td>
<td class="opt-value">
<a name="branch">
<select id="only_with_tag" name="only_with_tag"%s>
EOF
my @tmp = ();
my $selfound = 0;
foreach (reverse sort @branchnames) {
my $selected =
(defined($input{only_with_tag}) && $input{only_with_tag} eq $_);
$selfound ||= $selected;
push(@tmp, sprintf('<option%s>%s</option>',
$selected ? ' selected="selected"' : '',
htmlquote($_)));
}
printf("<option value=\"\"%s>Show all branches</option>\n",
$selfound ? '' : ' selected="selected"');
print join("\n", @tmp);
print <<EOF
</select>
</a>
</td>
<td></td>
</tr>
EOF
}
print <<EOF;
<tr>
<td class="opt-label">
<label for="logsort" accesskey="L">Sort log by:</label>
</td>
<td>
EOF
printLogSortSelect($use_java_script);
print <<EOF;
</td>
<td><input type="submit" value="Set" accesskey="S" /></td>
</tr>
</table>
EOF
foreach (@stickyvars) {
next if ($_ eq "f");
next if ($_ eq "only_with_tag");
next if ($_ eq "logsort");
printf("<input type=\"hidden\" name=\"$_\" value=\"%s\" />\n",
htmlquote($input{$_}))
if (defined($input{$_})
&& (!defined($DEFAULTVALUE{$_}) || $input{$_} ne $DEFAULTVALUE{$_}));
}
print "</fieldset>\n</form>\n";
html_footer();
}
sub flush_diff_rows($$$$)
{
my ($leftColRef, $rightColRef, $leftRow, $rightRow) = @_;
return unless defined($state);
if ($state eq "PreChangeRemove") { # we just got remove-lines before
for (my $j = 0; $j < $leftRow; $j++) {
printf(<<EOF, spacedHtmlText(@$leftColRef[$j]));
<tr>
<td class="diff diff-removed">&nbsp;%s</td>
<td class="diff diff-empty">&nbsp;</td>
</tr>
EOF
}
} elsif ($state eq "PreChange") { # state eq "PreChange"
# we got removes with subsequent adds
if (HAS_EDIFF) {
# construct the suffix tree
my $left_diff = join("\n", @$leftColRef[0..$leftRow-1]);
my $right_diff = join("\n", @$rightColRef[0..$rightRow-1]);
my $diff_str = String::Ediff::ediff($left_diff, $right_diff);
my @diff_str = split(/ /, $diff_str);
my $INFINITY = 10000000;
push(@diff_str, ($INFINITY) x 8);
my ($idx, $b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2) =
(0, @diff_str[0..7]);
my ($l_cul, $r_cul) = (0, 0);
my ($ldx, $rdx) = (0, 0);
my (@left_html, @right_html);
for (my $j = 0; $j < $leftRow; $j++) {
my $line_len = length(@$leftColRef[$j]);
my $line = @$leftColRef[$j];
$l_cul += length($line) + 1; # includes "\n"
my $l_culx = $l_cul - 1; # not includes "\n"
if ($j < $lb1) {
$line = spacedHtmlText($line);
push(@left_html, "<td class=\"diff diff-changed\">$line</td>");
} elsif ($lb1 == $j) {
my $html_line;
while ($lb1 == $j) {
my $begin_char = $l_culx - $b1;
$line =~ /^(.*)(.{$begin_char})$/;
$html_line .= spacedHtmlText($1) .
'</span><span class="diff diff-unchanged">';
$line = $2;
last if ($j != $le1);
my $end_char = $l_culx - $e1;
$line =~ /^(.*)(.{$end_char})$/;
$html_line .= spacedHtmlText($1) .
'</span><span class="diff diff-changed">';
$line = $2;
$idx++;
my ($tb1, $te1, $tlb1, $tle1, $tb2, $te2, $tlb2, $tle2) =
($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2);
($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2) =
@diff_str[$idx*8..($idx+1)*8-1];
$lb1 = $INFINITY if ($lb1 < 0);
$lb2 = $INFINITY if ($lb2 < 0);
$le1 = $INFINITY if ($le1 < 0);
$le2 = $INFINITY if ($le2 < 0);
if ($te1 > $b1) {
($b1, $lb1) = ($te1, $tle1);
}
if ($te2 > $b2) {
($b2, $lb2) = ($te2, $tle2);
}
}
push(@left_html,
sprintf('<td><span class="diff diff-changed">%s%s</span></td>',
$html_line, spacedHtmlText($line)));
} elsif ($le1 == $j) {
my $html_line;
while ($le1 == $j) {
my $end_char = $l_culx - $e1;
$line =~ /^(.*)(.{$end_char})$/;
$html_line .= spacedHtmlText($1) .
'</span><span class="diff diff-changed">';
$line = $2;
$idx++;
my ($tb1, $te1, $tlb1, $tle1, $tb2, $te2, $tlb2, $tle2) =
($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2);
($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2) =
@diff_str[$idx*8..($idx+1)*8-1];
$lb1 = $INFINITY if ($lb1 < 0);
$lb2 = $INFINITY if ($lb2 < 0);
$le1 = $INFINITY if ($le1 < 0);
$le2 = $INFINITY if ($le2 < 0);
if ($te1 > $b1) {
($b1, $lb1) = ($te1, $tle1);
}
if ($te2 > $b2) {
($b2, $lb2) = ($te2, $tle2);
}
last if ($lb1 != $j);
my $begin_char = $l_culx - $b1;
$line =~ /^(.*)(.{$begin_char})$/;
$html_line .= spacedHtmlText($1) .
'</span><span class="diff diff-unchanged">';
$line = $2;
}
push(@left_html,
sprintf('<td><span class="diff diff-unchanged">%s%s</span></td>',
$html_line, spacedHtmlText($line)));
} else {
$line = spacedHtmlText($line);
push(@left_html, "<td class=\"diff diff-unchanged\">$line</td>");
}
}
($idx, $b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2) =
(0, @diff_str[0..7]);
$lb1 = $INFINITY if ($lb1 < 0);
$lb2 = $INFINITY if ($lb2 < 0);
$le1 = $INFINITY if ($le1 < 0);
$le2 = $INFINITY if ($le2 < 0);
for (my $j = 0; $j < $rightRow; $j++) {
my $line_len = length(@$rightColRef[$j]);
my $line = @$rightColRef[$j];
$r_cul += length($line) + 1; # includes "\n"
my $r_culx = $r_cul - 1; # not includes "\n"
if ($j < $lb2) {
$line = spacedHtmlText($line);
push(@right_html, "<td class=\"diff diff-changed\">$line</td>");
} elsif ($lb2 == $j) {
my $html_line;
while ($lb2 == $j) {
my $begin_char = $r_culx - $b2;
$line =~ /^(.*)(.{$begin_char})$/;
$html_line .= spacedHtmlText($1) .
'</span><span class="diff diff-unchanged">';
$line = $2;
last if ($j != $le2);
my $end_char = $r_culx - $e2;
$line =~ /^(.*)(.{$end_char})$/;
$html_line .= spacedHtmlText($1) .
'</span><span class="diff diff-changed">';
$line = $2;
$idx++;
my ($tb1, $te1, $tlb1, $tle1, $tb2, $te2, $tlb2, $tle2) =
($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2);
($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2) =
@diff_str[$idx*8..($idx+1)*8-1];
$lb1 = $INFINITY if ($lb1 < 0);
$lb2 = $INFINITY if ($lb2 < 0);
$le1 = $INFINITY if ($le1 < 0);
$le2 = $INFINITY if ($le2 < 0);
if ($te1 > $b1) {
($b1, $lb1) = ($te1, $tle1);
}
if ($te2 > $b2) {
($b2, $lb2) = ($te2, $tle2);
}
}
push(@right_html,
sprintf('<td><span class="diff diff-changed">%s%s</span></td>',
$html_line, spacedHtmlText($line)));
} elsif ($le2 == $j) {
my $html_line;
while ($le2 == $j) {
my $end_char = $r_culx - $e2;
$line =~ /^(.*)(.{$end_char})$/;
$html_line .= spacedHtmlText($1) .
'</span><span class="diff diff-changed">';
$line = $2;
$idx++;
my ($tb1, $te1, $tlb1, $tle1, $tb2, $te2, $tlb2, $tle2) =
($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2);
($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2) =
@diff_str[$idx*8..($idx+1)*8-1];
$lb1 = $INFINITY if ($lb1 < 0);
$lb2 = $INFINITY if ($lb2 < 0);
$le1 = $INFINITY if ($le1 < 0);
$le2 = $INFINITY if ($le2 < 0);
if ($te1 > $b1) {
($b1, $lb1) = ($te1, $tle1);
}
if ($te2 > $b2) {
($b2, $lb2) = ($te2, $tle2);
}
last if ($lb2 != $j);
my $begin_char = $r_culx - $b2;
$line =~ /^(.*)(.{$begin_char})$/;
$html_line .= spacedHtmlText($1) .
'</span><span class="diff diff-unchanged">';
$line = $2;
}
push(@right_html,
sprintf('<td nowrap="nowrap"><span class="diff diff-unchanged"'.
'>%s%s</span></td>',
$html_line, spacedHtmlText($line)));
} else {
$line = spacedHtmlText ($line);
push @right_html, "<td class=\"diff diff-unchanged\">$line</td>";
}
}
for (my $j = 0; $j < $leftRow || $j < $rightRow ; $j++) { # dump out both cols
print '<tr>';
if ($j < $leftRow) {
print $left_html[$j];
} else {
print '<td class="diff diff-changed-missing">&nbsp;</td>';
}
if ($j < $rightRow) {
print $right_html[$j];
} else {
print '<td class="diff diff-changed-missing">&nbsp;</td>';
}
print "</tr>\n";
}
} else {
for (my $j = 0; $j < $leftRow || $j < $rightRow; $j++) { # dump both cols
print "<tr>\n";
if ($j < $leftRow) {
print '<td class="diff diff-changed">&nbsp;' .
spacedHtmlText(@$leftColRef[$j]) . '</td>';
} else {
print '<td class="diff diff-changed-missing">&nbsp;</td>';
}
print "\n";
if ($j < $rightRow) {
print '<td class="diff diff-changed">&nbsp;' .
spacedHtmlText(@$rightColRef[$j]) . '</td>';
} else {
print '<td class="diff diff-changed-missing">&nbsp;</td>';
}
print "\n</tr>\n";
}
}
}
}
#
# Generates "human readable", HTMLified diffs.
#
sub human_readable_diff($$)
{
my ($fh, $rev) = @_;
(my $where_nd = $where) =~ s|\.diff$||;
(my $filename = $where_nd) =~ s|^.*/||;
(my $pathname = $where_nd) =~ s|((?<=/)Attic/)?[^/]*$||;
(my $scriptwhere_nd = $scriptwhere) =~ s|\.diff$||;
navigateHeader($scriptwhere_nd, $pathname, $filename, $rev, 'diff');
# Read header to pick up read revision and date, if possible.
my ($r1d, $r1r, $r2d, $r2r);
while (<$fh>) {
($r1d, $r1r) = /\t(.*)\t(.*)$/ if (/^--- /);
($r2d, $r2r) = /\t(.*)\t(.*)$/ if (/^\+\+\+ /);
last if (/^\+\+\+ /);
}
my ($rev1, $date1);
if (defined($r1r) && $r1r =~ /^(\d+\.)+\d+$/) {
$rev1 = $r1r;
$date1 = $r1d;
}
my ($rev2, $date2);
if (defined($r2r) && $r2r =~ /^(\d+\.)+\d+$/) {
$rev2 = $r2r;
$date2 = $r2d;
}
$rev1 = $input{r1} unless defined($rev1);
$rev1 = $input{tr1} if (defined($rev1) && $rev1 eq 'text');
$rev1 = 'unknown-left' unless defined($rev1);
$rev2 = $input{r2} unless defined($rev2);
$rev2 = $input{tr2} if (defined($rev2) && $rev2 eq 'text');
$rev2 = 'unknown-right' unless defined($rev2);
$date1 = defined($date1) ? ', ' . htmlquote($date1) : '';
$date2 = defined($date2) ? ', ' . htmlquote($date2) : '';
my $link = uri_escape($filename) . ($query ? "$query;" : '?');
# Using <table style=\"border: none\" here breaks NS 4.x badly...
print <<EOF;
<h3 style="text-align: center">Diff for /$where_nd between versions $rev1 and $rev2</h3>
<table border="0" cellspacing="0" cellpadding="0" width="100%" summary="Diff output">
<tr style="background-color: #ffffff">
<th style="text-align: center; vertical-align: top" width="50%">
<a href="${link}rev=$rev1">version $rev1</a>$date1
</th>
<th style="text-align: center; vertical-align: top" width="50%">
<a href="${link}rev=$rev2">version $rev2</a>$date2
</th>
</tr>
EOF
# Process diff text
# prefetch several lines
my @buf = head($fh);
my %d = scan_directives(@buf);
my $leftRow = 0;
my $rightRow = 0;
my ($difftxt, @rightCol, @leftCol, $oldline, $newline, $funname);
$link .= 'content-type=text%2Fx-cvsweb-markup;';
$link .= 'ln=1;' unless ($link =~ /\?.*\bln=1\b/);
while (@buf || !eof($fh)) {
$difftxt = @buf ? shift @buf : <$fh>;
if ($difftxt =~ /^@@/) {
($oldline, $newline, $funname) =
$difftxt =~ /@@ \-([0-9]+).*\+([0-9]+).*@@(.*)/;
$funname = htmlquote($funname);
$funname =~ s/\s/&nbsp;/go;
$funname &&= "&nbsp;<span style=\"font-size: smaller\">$funname</span>";
my $ol = $oldline || 1;
my $nl = $newline || 1;
print <<EOF;
<tr>
<td width="50%" class="diff-heading">
<b><a href="${link}rev=$rev1#l$ol">Line&nbsp;$oldline</a></b>$funname
</td>
<td width="50%" class="diff-heading">
<b><a href="${link}rev=$rev2#l$nl">Line&nbsp;$newline</a></b>$funname
</td>
</tr>
EOF
$state = "dump";
$leftRow = 0;
$rightRow = 0;
} else {
my ($diffcode, $rest) = $difftxt =~ /^([-+ ])(.*)/;
$diffcode = '' unless defined($diffcode);
$_ = $rest;
#########
# little state machine to parse unified-diff output (Hen, zeller@think.de)
# in order to get some nice 'ediff'-mode output
# states:
# "dump" - just dump the value
# "PreChangeRemove" - we began with '-' .. so this could be the start of a 'change' area or just remove
# "PreChange" - okey, we got several '-' lines and moved to '+' lines -> this is a change block
##########
if ($diffcode eq '+') {
if ($state eq "dump")
{ # 'change' never begins with '+': just dump out value
$_ = spacedHtmlText($rest, $d{tabstop});
printf(<<EOF, $_);
<tr>
<td class="diff diff-empty">&nbsp;</td>
<td class="diff diff-added">&nbsp;%s</td>
</tr>
EOF
} else { # we got minus before
$state = "PreChange";
$rightCol[$rightRow++] = $_;
}
} elsif ($diffcode eq '-') {
$state = "PreChangeRemove";
$leftCol[$leftRow++] = $_;
} else { # empty diffcode
flush_diff_rows \@leftCol, \@rightCol, $leftRow, $rightRow;
$_ = spacedHtmlText($rest, $d{tabstop});
printf(<<EOF, $_, $_);
<tr>
<td class="diff diff-same">&nbsp;%s</td>
<td class="diff diff-same">&nbsp;%s</td>
</tr>
EOF
$state = "dump";
$leftRow = 0;
$rightRow = 0;
}
}
}
close($fh);
flush_diff_rows \@leftCol, \@rightCol, $leftRow, $rightRow;
# state is empty if we didn't have any change
if (!$state) {
print <<EOF;
<tr>
<td colspan="2">&nbsp;</td>
</tr>
<tr class="diff diff-empty">
<td colspan="2" align="center"><b>- No viewable change -</b></td>
</tr>
EOF
}
printf(<<EOF, $scriptwhere);
</table>
<hr style="width: 100%%" />
<form method="get" action="%s">
<div style="float: left">
<label for="f">Diff format:<br />
EOF
printDiffSelectStickyVars();
printDiffSelect($use_java_script);
printf(<<EOF, $rev1, $rev2);
</label>
<input type="submit" value="Show" />
</div>
<table style="float: right; border: thin outset" cellspacing="0" cellpadding="1" title="Legend" summary="Legend">
<tr>
<td align="center" class="diff diff-removed">Removed from v.%s</td>
<td class="diff diff-empty">&nbsp;</td>
</tr><tr class="diff diff-changed">
<td align="center" colspan="2">changed lines</td>
</tr><tr>
<td class="diff diff-empty">&nbsp;</td>
<td align="center" class="diff diff-added">Added in v.%s</td>
</tr>
</table>
</form>
<br clear="all" />
EOF
}
sub doEnscript($$$;$)
{
my ($filehandle, $highlight, $linenumbers, $lang) = @_;
$lang ||= 'cvsweb';
my @cmd = ($CMD{enscript},
@enscript_options,
'-q', "--language=$lang", '-o', '-', "--highlight=$highlight");
local *ENSCRIPT_OUT;
my ($h, $err) =
startproc(\@cmd, $filehandle, '>pipe', \*ENSCRIPT_OUT);
fatal('500 Internal Error', $err) unless $h;
# We could short-circuit and have enscript output directly to STDOUT above,
# but that doesn't work with mod_perl (at least some 1.99 versions).
if ($linenumbers) {
my $ln = 0;
while (<ENSCRIPT_OUT>) {
printf '<a id="l%d" class="src">%5d: </a>', (++$ln) x 2;
print $_;
}
} else {
local $/ = undef;
print <ENSCRIPT_OUT>;
}
$h->finish();
}
#
# The passed in $path and $filename should not be URI escaped, and $swhere
# *should* be.
#
sub navigateHeader($$$$$;$)
{
my ($swhere, $path, $filename, $rev, $title, $moddate) = @_;
$swhere = "" if ($swhere eq $scriptwhere);
$swhere = './' . uri_escape($filename) if ($swhere eq "");
my $qfile = htmlquote($filename);
my $qpath = htmlquote($path);
my $trev = $rev ? " - " . htmlquote($rev) : '';
http_header('text/html', $moddate);
(my $header = &cgi_style::html_header($title, 0)) =~ s,\A.*<head>,<head>\n$HTML_META,s;
$header .= $CSS .
'<body class="src">
<table class="navigate-header" width="100%" summary="Navigation">
<tr>
<td>';
print $header;
my $frag = '';
if ($rev) {
$frag = '#';
$frag .= 'rev' if ($rev =~ /\./); # Normal revision: prefix with "rev".
$frag .= $rev; # Append revision/branch/tag.
}
my $backurl = "$swhere$query$frag";
print &link($backicon, $backurl);
printf '<b>Return to %s CVS log', &link($qfile, $backurl);
print "</b> $fileicon</td>";
printf(<<EOF, $diricon, &clickablePath($path, 1));
<td style="text-align: right">%s <b>Up to %s</b></td>
</tr>
</table>
EOF
}
sub plural_write($$)
{
my ($num, $text) = @_;
if ($num != 1) {
$text .= "s";
}
if ($num > 0) {
return join (' ', $num, $text);
} else {
return "";
}
}
##
# print readable timestamp in terms of
# '..time ago'
# H. Zeller <zeller@think.de>
##
sub readableTime($$)
{
my ($secs, $long) = @_;
# This function works correctly for time >= 2 seconds.
return 'very little time' if ($secs < 2);
my %desc = (
1 => 'second',
60 => 'minute',
3600 => 'hour',
86400 => 'day',
604800 => 'week',
2628000 => 'month',
31536000 => 'year'
);
my @breaks = sort { $a <=> $b } keys %desc;
my $i = 0;
while ($i <= $#breaks && $secs >= 2 * $breaks[$i]) {
$i++;
}
$i--;
my $break = $breaks[$i];
my $retval = plural_write(int($secs / $break), $desc{$break});
if ($long == 1 && $i > 0) {
my $rest = $secs % $break;
$i--;
$break = $breaks[$i];
my $resttime = plural_write(int($rest / $break), $desc{$break});
if ($resttime) {
$retval .= ", $resttime";
}
}
return $retval;
}
#
# Returns a htmlified path where each directory is a link for faster
# navigation. $clickLast controls whether the basename
# (last directory/file) is a link as well. The passed in $pathname should
# *not* be URI escaped.
#
sub clickablePath($$)
{
my ($pathname, $clickLast) = @_;
my $root = '[' . htmlquote($CVSROOTdescr{$cvstree} || $cvstree) . ']';
# This should never happen (see chooseCVSRoot()), but let's be sure...
return $root if ($pathname eq '/');
my $retval =
' ' . &link($root, sprintf('%s/%s#dirlist', $scriptname, $query));
my $wherepath = '';
my ($lastslash) = $pathname =~ m|/$|;
foreach (split(m|/|, $pathname)) {
$retval .= ' / ';
$wherepath .= "/$_";
my $last = "$wherepath/" eq "/$pathname" || $wherepath eq "/$pathname";
if ($clickLast || !$last) {
$retval .= &link(htmlquote($_),
join ('',
$scriptname, uri_escape_path($wherepath),
(!$last || $lastslash ? '/' : ''), $query,
(!$last || $lastslash ? "#dirlist" : "")));
} else { # do not make a link to the current dir
$retval .= htmlquote($_);
}
}
return $retval;
}
sub chooseCVSRoot()
{
print "<form method=\"get\" action=\"$scriptwhere\">\n<p>\n";
if (2 <= @CVSROOT) {
foreach my $k (keys %input) {
printf("<input type=\"hidden\" name=\"%s\" value=\"%s\" />\n",
htmlquote($k), htmlquote($input{$k}))
if ($input{$k} && $k ne 'cvsroot');
}
printf(<<EOF, $use_java_script ? ' onchange="this.form.submit()"' : '');
<label for="cvsroot" accesskey="C">CVS Root:
<select id="cvsroot" name="cvsroot"%s>
EOF
foreach my $k (@CVSROOT) {
printf("<option value=\"%s\"%s>%s</option>\n",
htmlquote($k),
($k eq $cvstree) ? ' selected="selected"' : '',
htmlquote($CVSROOTdescr{$k} || $k));
}
print '</select></label>';
} else {
# no choice -- but we need the form to select module/path,
# at least for Netscape
printf "CVS Root: <b>[%s]</b>",
htmlquote($CVSROOTdescr{$cvstree} || $cvstree);
}
print <<EOF;
<label for="mpath" accesskey="M">
Module path or alias:
<input type="text" id="mpath" name="path" value="" size="15" />
</label>
<input type="submit" value="Go" accesskey="O" />
</p>
</form>
EOF
}
sub chooseMirror()
{
# This code comes from the original BSD-cvsweb
# and may not be useful for your site; If you don't
# set %MIRRORS this won't show up, anyway.
scalar(%MIRRORS) or return;
# Should perhaps exclude the current site somehow...
print "\n<p>\nThis CVSweb is mirrored in\n";
my @tmp = map(&link(htmlquote($_), $MIRRORS{$_}), sort keys %MIRRORS);
my $tmp = pop (@tmp);
if (scalar(@tmp)) {
print join (', ', @tmp), ' and ';
}
print "$tmp.\n</p>\n";
}
sub fileSortCmp()
{
(my $af = $a) =~ s/,v$//;
(my $bf = $b) =~ s/,v$//;
my ($rev1, $date1, $log1, $author1, $filename1) = @{$fileinfo{$af}}
if (defined($fileinfo{$af}));
my ($rev2, $date2, $log2, $author2, $filename2) = @{$fileinfo{$bf}}
if (defined($fileinfo{$bf}));
my $comp = 0;
if (defined($filename1) && defined($filename2) &&
$af eq $filename1 && $bf eq $filename2)
{
# Two files
$comp = -revcmp($rev1, $rev2) if ($byrev && $rev1 && $rev2);
$comp = ($date2 <=> $date1) if ($bydate && $date1 && $date2);
if ($input{ignorecase}) {
$comp = (uc($log1) cmp uc($log2)) if ($bylog && $log1 && $log2);
$comp = (uc($author1) cmp uc($author2)) if ($byauthor &&
$author1 && $author2);
} else {
$comp = ($log1 cmp $log2) if ($bylog && $log1 && $log2);
$comp = ($author1 cmp $author2) if ($byauthor &&
$author1 && $author2);
}
}
if ($comp == 0) {
# Directories first, then files under version control,
# then other, "rogue" files.
# Sort by filename if no other criteria available.
my $ad = (
(-d "$fullname/$a")
? 'D'
: (defined($fileinfo{$af}) ? 'F' : 'R')
);
my $bd = (
(-d "$fullname/$b")
? 'D'
: (defined($fileinfo{$bf}) ? 'F' : 'R')
);
(my $c = $a) =~ s|.*/||;
(my $d = $b) =~ s|.*/||;
my ($l, $r) = ("$ad$c", "$bd$d");
$comp = $input{ignorecase} ? (uc($l) cmp uc($r)) : ($l cmp $r);
# Parent dir is always first, then Attic.
if ($comp != 0) {
if ($l eq 'D..') {
$comp = -1;
} elsif ($r eq 'D..') {
$comp = 1;
} elsif ($l eq 'DAttic') {
$comp = -1;
} elsif ($r eq 'DAttic') {
$comp = 1;
}
}
}
return $comp;
}
#
# Returns a URL to download the selected revision.
# Expects the passed in URL to be URI escaped, relative, and without a query
# string.
#
sub download_url($$;$)
{
my ($url, $revision, $mimetype) = @_;
my @dots = $revision =~ /\./g;
$revision =~ s/\b0\.(?=\d+$)// if (scalar(@dots) & 1);
if (!defined($mimetype) || $mimetype !~ CVSWEBMARKUP) {
my $path = $where;
$path =~ s|[^/]+$||;
$url = "$scriptname/$CheckoutMagic/$path$url";
}
$url .= '?rev=' . uri_escape($revision);
$url .= ';content-type=' . uri_escape($mimetype) if $mimetype;
return $url;
}
#
# Returns a link to download the selected revision.
# Expects the passed in URL to be URI escaped, relative,
# and without a query string.
#
sub download_link($$$;$)
{
my ($url, $revision, $textlink, $mimetype) = @_;
return sprintf('<a href="%s" class="download-link">%s</a>',
download_url($url, $revision, $mimetype) . $barequery,
htmlquote($textlink));
}
#
# Returns a URL to display the selected revision.
# Expects the passed in URL to be URI escaped, and without a query string.
#
sub display_url($$;$)
{
my ($url, $revision, $mimetype) = @_;
$url .= '?rev=' . uri_escape($revision);
$url .= ';content-type=' . uri_escape($mimetype) if $mimetype;
return $url;
}
#
# Returns a link to display the selected revision.
# Expects the passed in URL to be URI escaped, and without a query string.
#
sub display_link($$;$$)
{
my ($url, $revision, $textlink, $mtype) = @_;
$textlink = $revision unless defined($textlink);
return sprintf('<a href="%s" class="display-link">%s</a>',
display_url($url, $revision, $mtype) . $barequery,
htmlquote($textlink));
}
#
# Expects the passed in URL to be URI escaped, and without a query string.
# The passed in link text should be already HTML escaped as appropriate.
#
sub graph_link($;$)
{
my ($url, $text) = @_;
$text ||= $graphicon;
return sprintf('<a href="%s?graph=1%s">%s</a>', $url, $barequery, $text);
}
#
# Returns a link to CVSHistory for the given directory and filename.
#
sub history_link($$;$)
{
my ($dir, $file, $text) = @_;
$dir ||= '';
$file ||= '';
$text ||= 'History';
return &link($text,
sprintf('%s?cvsroot=%s;dsearch=%s;fsearch=%s;limit=1',
$cvshistory_url, uri_escape($input{cvsroot} || ''),
uri_escape($dir), uri_escape($file)));
}
# Returns a Query string with the
# specified parameter toggled
sub toggleQuery($;$)
{
my ($toggle, $value) = @_;
my %vars = %input;
if (defined($value)) {
$vars{$toggle} = $value;
} else {
$vars{$toggle} = $vars{$toggle} ? 0 : 1;
}
# Build a new query of non-default paramenters
my $newquery = "";
foreach my $var (@stickyvars) {
my ($value) = defined($vars{$var}) ? $vars{$var} : "";
my ($default) = defined($DEFAULTVALUE{$var}) ? $DEFAULTVALUE{$var} : "";
if ($value ne $default) {
$newquery .= ';' if ($newquery ne "");
$newquery .= uri_escape($var) . '=' . uri_escape($value);
}
}
if ($newquery) {
return '?' . $newquery;
}
return "";
}
sub htmlquote($)
{
local ($_) = @_;
# Special Characters; RFC 1866
s/&/&amp;/g;
s/\"/&quot;/g;
s/</&lt;/g;
s/>/&gt;/g;
return $_;
}
sub htmlunquote($)
{
local ($_) = @_;
# Special Characters; RFC 1866
s/&quot;/\"/g;
s/&lt;/</g;
s/&gt;/>/g;
s/&amp;/&/g;
return $_;
}
sub uri_escape_path($)
{
return join('/', map(uri_escape($_), split(m|/+|, shift, -1)));
}
sub http_header(;$$)
{
my ($content_type, $moddate) = @_;
$content_type ||= 'text/html';
$content_type .= "; charset=$charset"
if ($charset && $content_type =~ m,^text/,);
# Note that in the following, we explicitly join() and concatenate the
# headers instead of printing them as an array. This is because some
# systems, eg. early versions of mod_perl 2 don't quite get it if the
# last \r\n\r\n isn't included in the last "payload" header print().
my @headers = ();
# TODO: ctime(3) from scalar gmtime() isn't HTTP compliant, see HTTP::Date.
push(@headers, 'Last-Modified: ' . scalar gmtime($moddate) . ' GMT')
if $moddate;
push(@headers, 'Content-Type: ' . $content_type);
if ($allow_compress && $maycompress) {
if (HAS_ZLIB
|| (defined($CMD{gzip}) && open(GZIP, "| $CMD{gzip} -1 -c")))
{
push(@headers, 'Content-Encoding: gzip');
push(@headers, 'Vary: Accept-Encoding'); # RFC 2616, 14.44
print join("\r\n", @headers) . "\r\n\r\n";
$| = 1;
$| = 0; # Flush header output.
tie(*GZIP, __PACKAGE__, \*STDOUT) if HAS_ZLIB;
select(GZIP);
$gzip_open = 1;
} else {
print join("\r\n", @headers) . "\r\n\r\n";
printf
'<span style="font-size: smaller">Unable to find gzip binary in the <b>$command_path</b> (<code>%s</code>) to compress output</span><br />',
htmlquote(join(':', @command_path));
}
} else {
print join("\r\n", @headers) . "\r\n\r\n";
}
}
sub html_header($;$)
{
my ($title, $moddate) = @_;
$title = htmlquote($title);
my $css = $CSS || '';
http_header('text/html', $moddate);
(my $header = &cgi_style::html_header($title, 0)) =~ s,\A.*<head>,<head>\n$HTML_META,s;
$header .= $css;
print $header;
}
sub html_footer()
{
print &cgi_style::html_footer;
}
sub link_tags($)
{
my ($tags) = @_;
(my $filename = $where) =~ s|^.*/||;
my $fileurl = './' . uri_escape($filename);
my $ret = "";
foreach my $sym (split(", ", $tags)) {
$ret .= ",\n" if ($ret ne "");
$ret .= &link(htmlquote($sym),
$fileurl . toggleQuery('only_with_tag', $sym));
}
return $ret;
}
#
# See if a file/dir is listed in the config file's @ForbiddenFiles list.
# Takes a full file system path or one relative to $cvsroot, and strips the
# trailing ",v" if present, then compares. Returns 1 if forbidden, else 0.
#
sub forbidden($)
{
(my $path = canonpath(shift)) =~ s/,v$//;
$path =~ s|^$cvsroot/+||;
for my $forbidden_re (@ForbiddenFiles) {
return 1 if ($path =~ $forbidden_re);
}
return 0;
}
#
# Starts a process using IPC::Run. All arguments are passed to
# IPC::Run::start() as-is. Returns an array ($harness, $error) where
# $harness is from IPC::Run if start() succeeds, undef otherwise. In case
# of an error, $error contains the error message.
#
sub startproc(@)
{
my $h = my $err = undef;
eval {
local $SIG{__DIE__};
$h = IPC::Run::start(@_) or die("return code: $?");
};
if ($@) {
$h->finish() if $h;
$h = undef;
$err = "'@{$_[0]}' failed: $@";
}
return ($h, $err);
}
#
# Runs a process using IPC::Run. All arguments are passed to
# IPC::Run::run() as-is. Returns an array ($exitcode, $errormsg).
#
sub runproc(@)
{
eval {
local $SIG{__DIE__};
IPC::Run::run(@_);
};
my $exitcode = $? >> 8;
my $errormsg = undef;
if ($@) {
$exitcode ||= -1;
$errormsg = "'@{$_[0]}' failed: $@";
}
return ($exitcode, $errormsg);
}
#
# Check out a file to a temporary file.
#
sub checkout_to_temp($$$)
{
my ($cvsroot, $cvsname, $rev) = @_;
# Pipe given cvs file into a temporary place.
my ($temp_fh, $temp_fn) = tempfile('.cvsweb.XXXXXXXX', DIR => tmpdir());
my @cmd = ($CMD{cvs}, @cvs_options, '-Qd', $cvsroot,
'co', '-p', "-r$rev", $cvsname);
local (*DIFF_OUT);
my ($h, $err) = startproc(\@cmd, \"", '>pipe', \*DIFF_OUT);
if ($h) {
local $/ = undef;
print $temp_fh <DIFF_OUT>;
$h->finish();
close($temp_fh);
} else {
close($temp_fh);
unlink($temp_fn);
fatal('500 Internal Error',
'Checkout failure (exit status %s), output: <pre>%s</pre>',
$? >> 8 || -1, $err);
}
return $temp_fn;
}
#
# Close the GZIP handle, and remove the tie.
#
sub gzipclose
{
if ($gzip_open) {
select(STDOUT);
close(GZIP);
untie *GZIP;
$gzip_open = 0;
}
}
# implement a gzipped file handle via the Compress:Zlib compression
# library.
sub MAGIC1() { 0x1f }
sub MAGIC2() { 0x8b }
sub OSCODE() { 3 }
sub TIEHANDLE
{
my ($class, $out) = @_;
my ($d) = Compress::Zlib::deflateInit(
-Level => Compress::Zlib::Z_BEST_COMPRESSION(),
-WindowBits => -Compress::Zlib::MAX_WBITS()
)
or return undef;
my ($o) = { handle => $out,
dh => $d,
crc => 0,
len => 0,
};
my ($header) = pack("c10",
MAGIC1, MAGIC2, Compress::Zlib::Z_DEFLATED(),
0, 0, 0, 0, 0, 0, OSCODE);
print {$o->{handle}} $header;
return bless($o, $class);
}
sub PRINT
{
my ($o) = shift;
my ($buf) = join (defined($,) ? $, : "", @_);
my ($len) = length($buf);
my ($compressed, $status) = $o->{dh}->deflate($buf);
print {$o->{handle}} $compressed if defined($compressed);
$o->{crc} = Compress::Zlib::crc32($buf, $o->{crc});
$o->{len} += $len;
return $len;
}
sub PRINTF
{
my ($o) = shift;
my ($fmt) = shift;
my ($buf) = sprintf($fmt, @_);
my ($len) = length($buf);
my ($compressed, $status) = $o->{dh}->deflate($buf);
print {$o->{handle}} $compressed if defined($compressed);
$o->{crc} = Compress::Zlib::crc32($buf, $o->{crc});
$o->{len} += $len;
return $len;
}
sub WRITE
{
my ($o, $buf, $len, $off) = @_;
my ($compressed, $status) = $o->{dh}->deflate(substr($buf, 0, $len));
print {$o->{handle}} $compressed if defined($compressed);
$o->{crc} = Compress::Zlib::crc32(substr($buf, 0, $len), $o->{crc});
$o->{len} += $len;
return $len;
}
sub CLOSE
{
my ($o) = @_;
return if !defined($o->{dh});
my ($buf) = $o->{dh}->flush();
$buf .= pack("V V", $o->{crc}, $o->{len});
print {$o->{handle}} $buf;
undef $o->{dh};
}
sub DESTROY
{
my ($o) = @_;
CLOSE($o);
}
# Local variables:
# indent-tabs-mode: nil
# cperl-indent-level: 2
# End: