diff options
Diffstat (limited to 'en_US.ISO8859-1/htdocs/cgi/cvsweb.cgi')
| -rwxr-xr-x | en_US.ISO8859-1/htdocs/cgi/cvsweb.cgi | 4524 |
1 files changed, 4524 insertions, 0 deletions
diff --git a/en_US.ISO8859-1/htdocs/cgi/cvsweb.cgi b/en_US.ISO8859-1/htdocs/cgi/cvsweb.cgi new file mode 100755 index 0000000000..51b8f38b06 --- /dev/null +++ b/en_US.ISO8859-1/htdocs/cgi/cvsweb.cgi @@ -0,0 +1,4524 @@ +#!/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: www/en/cgi/cvsweb.cgi,v 1.92 2008/09/23 16:31:45 wosch Exp $ +# $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: www/en/cgi/cvsweb.cgi,v 1.92 2008/09/23 16:31:45 wosch Exp $; + @_ = 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> 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 ' ', &link("Parent Directory", $url); + + } else { + my $url = './' . uri_escape_path($file) . "/$query"; + print '<a name="', htmlquote($file), '"></a>'; + print $nofilelinks ? $diricon : &link($diricon, $url); + print ' ', &link(htmlquote("$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> </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> "; + $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, $url); + print ' ', &link(htmlquote($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($$$$$$;$) +{ + my ($filehandle, $fullname, $rev, $isbin, $mimetype, $logged, $mod) = @_; + + (my $pathname = $where) =~ s|((?<=/)Attic/)?[^/]*$||; + (my $filename = $where) =~ s|^.*/||; + + navigateHeader($scriptwhere, $pathname, $filename, $rev, 'view', $mod); + + print <<EOF; +<hr /> +<div class="log-markup"> +File: +EOF + print &clickablePath($where, 1), "<br />\n"; + + if ($show_log_in_markup) { + readLog($fullname) unless $logged; #,$rev); + printLog($rev, $mimetype, $isbin); + } else { + print "Revision: <b>$rev</b><br />\n"; + print 'Tag: ', htmlquote($input{only_with_tag}), "<br />\n" + if $input{only_with_tag}; + } + print "</div>\n<hr />"; + my $url = download_url(uri_escape($filename), $rev, $mimetype); + + if ($mimetype =~ m|^image/|i) { + printf '<img src="%s" alt="%s" /><br />', + $url . $barequery, htmlquote($filename); + } elsif (lc($mimetype) eq 'application/pdf') { + printf '<embed src="%s" width="100%%" height="100%%" /><br />', + $url . $barequery; + } else { + + print "<pre>\n"; + my $linenumbers = $input{ln} || 0; + + if (my $enscript_hl = getEnscriptHL($filename)) { + doEnscript($filehandle, $enscript_hl, $linenumbers); + + } else { + my $ln = 0; + my @buf = (); + my $ts = undef; + + if ($preformat_in_markup) { + # prefetch several lines + @buf = head($filehandle); + my %d = scan_directives(@buf); + $ts = $d{tabstop}; + } + + while (@buf || !eof($filehandle)) { + $_ = @buf ? shift @buf : <$filehandle>; + if ($linenumbers) { + $ln++; + printf '<a id="l%d" class="src">%5d: </a>', ($ln) x 2; + } + print $preformat_in_markup ? spacedHtmlText($_, $ts) : htmlquote($_); + } + } + + print "</pre>\n"; + } + html_footer(); +} + + +sub viewable($) +{ + return shift =~ m{^((text|image)/|application/pdf)}i; +} + + +############################### +# Show Colored Diff +############################### +sub doDiff($$$$$$) +{ + 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 for diffs]</b>'; + } else { + print &link('select for 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"> %s</td> + <td class="diff diff-empty"> </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"> </td>'; + } + if ($j < $rightRow) { + print $right_html[$j]; + } else { + print '<td class="diff diff-changed-missing"> </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"> ' . + spacedHtmlText(@$leftColRef[$j]) . '</td>'; + } else { + print '<td class="diff diff-changed-missing"> </td>'; + } + print "\n"; + + if ($j < $rightRow) { + print '<td class="diff diff-changed"> ' . + spacedHtmlText(@$rightColRef[$j]) . '</td>'; + } else { + print '<td class="diff diff-changed-missing"> </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/ /go; + $funname &&= " <span style=\"font-size: smaller\">$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 $oldline</a></b>$funname +</td> +<td width="50%" class="diff-heading"> + <b><a href="${link}rev=$rev2#l$nl">Line $newline</a></b>$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"> </td> + <td class="diff diff-added"> %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"> %s</td> + <td class="diff diff-same"> %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"> </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"> </td> + </tr><tr class="diff diff-changed"> + <td align="center" colspan="2">changed lines</td> + </tr><tr> + <td class="diff diff-empty"> </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/&/&/g; + s/\"/"/g; + s/</</g; + s/>/>/g; + return $_; +} + +sub htmlunquote($) +{ + local ($_) = @_; + # Special Characters; RFC 1866 + s/"/\"/g; + s/</</g; + s/>/>/g; + s/&/&/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: |