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Annotation of cvsweb/cvsweb.cgi, Revision 3.177

3.55      knu         1: #!/usr/bin/perl -wT
1.1       jfieber     2: #
3.1       knu         3: # cvsweb - a CGI interface to CVS trees.
1.1       jfieber     4: #
3.12      knu         5: # Written in their spare time by
3.113     scop        6: #             Bill Fenner          <fenner@FreeBSD.org>   (original work)
                      7: # extended by Henner Zeller        <zeller@think.de>,
                      8: #             Henrik Nordstrom     <hno@hem.passagen.se>
                      9: #             Ken Coar             <coar@Apache.Org>
                     10: #             Dick Balaska         <dick@buckosoft.com>
                     11: #             Akinori MUSHA        <knu@FreeBSD.org>
                     12: #             Jens-Uwe Mager       <jum@helios.de>
                     13: #             Ville Skyttä         <scop@FreeBSD.org>
                     14: #             Vassilii Khachaturov <vassilii@tarunz.org>
3.1       knu        15: #
                     16: # Based on:
                     17: # * Bill Fenners cvsweb.cgi revision 1.28 available from:
3.5       knu        18: #   http://www.FreeBSD.org/cgi/cvsweb.cgi/www/en/cgi/cvsweb.cgi
1.1       jfieber    19: #
1.21      wosch      20: # Copyright (c) 1996-1998 Bill Fenner
3.1       knu        21: #           (c) 1998-1999 Henner Zeller
3.109     scop       22: #           (c) 1999      Henrik Nordstrom
                     23: #           (c) 2000-2002 Akinori MUSHA
3.148     scop       24: #           (c) 2002-2003 Ville Skyttä
1.21      wosch      25: # All rights reserved.
                     26: #
                     27: # Redistribution and use in source and binary forms, with or without
                     28: # modification, are permitted provided that the following conditions
                     29: # are met:
                     30: # 1. Redistributions of source code must retain the above copyright
                     31: #    notice, this list of conditions and the following disclaimer.
                     32: # 2. Redistributions in binary form must reproduce the above copyright
                     33: #    notice, this list of conditions and the following disclaimer in the
                     34: #    documentation and/or other materials provided with the distribution.
                     35: #
                     36: # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
                     37: # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     38: # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     39: # ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
                     40: # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     41: # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     42: # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     43: # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     44: # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     45: # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     46: # SUCH DAMAGE.
                     47: #
3.87      knu        48: # $FreeBSD$
3.82      knu        49: # $Id: cvsweb.cgi,v 1.112 2001/07/24 13:03:16 hzeller Exp $
3.85      knu        50: # $Idaemons: /home/cvs/cvsweb/cvsweb.cgi,v 3.84 2001/10/07 20:50:10 knu Exp $
1.21      wosch      51: #
3.1       knu        52: ###
                     53:
3.138     scop       54: require 5.005_03;
3.55      knu        55:
3.1       knu        56: use strict;
1.21      wosch      57:
3.1       knu        58: use vars qw (
3.121     scop       59:   $VERSION
3.144     scop       60:   $config $allow_version_select
3.120     scop       61:   @CVSrepositories @CVSROOT %CVSROOT %CVSROOTdescr
                     62:   %MIRRORS %DEFAULTVALUE %ICONS %MTYPES
                     63:   @DIFFTYPES %DIFFTYPES @LOGSORTKEYS %LOGSORTKEYS
3.129     scop       64:   %alltags %fileinfo %tags @branchnames %nameprinted
3.120     scop       65:   %symrev %revsym @allrevisions %date %author @revdisplayorder
3.152     scop       66:   @revisions %state %difflines %log %branchpoint @revorder $keywordsubstitution
3.120     scop       67:   $prcgi @prcategories $re_prcategories $prkeyword $re_prkeyword $mancgi
                     68:   $checkoutMagic $doCheckout $scriptname $scriptwhere
                     69:   $where $pathinfo $Browser $nofilelinks $maycompress
3.129     scop       70:   @stickyvars @unsafevars %funcline_regexp $is_mod_perl
3.120     scop       71:   $is_links $is_lynx $is_w3m $is_msie $is_mozilla3 $is_textbased
                     72:   %input $query $barequery $sortby $bydate $byrev $byauthor
                     73:   $bylog $byfile $defaultDiffType $logsort $cvstree $cvsroot
3.156     scop       74:   $charset $output_filter
3.132     scop       75:   $command_path %CMD $allow_compress $backicon $diricon $fileicon $graphicon
3.152     scop       76:   $fullname $newname $cvstreedefault $logo $defaulttitle $address $binfileicon
3.131     scop       77:   $long_intro $short_instruction $shortLogLen $show_author
3.129     scop       78:   $tablepadding $hr_breakable $showfunc $hr_ignwhite $hr_ignkeysubst
                     79:   $inputTextSize $mime_types $allow_annotate $allow_markup
3.120     scop       80:   $allow_log_extra $allow_dir_extra $allow_source_extra
3.132     scop       81:   $allow_cvsgraph $cvsgraph_config $use_java_script $open_extern_window
3.120     scop       82:   $extern_window_width $extern_window_height $edit_option_form
3.144     scop       83:   $show_subdir_lastmod $show_log_in_markup $preformat_in_markup
3.120     scop       84:   $tabstop $state $annTable $sel $curbranch @HideModules @ForbiddenFiles
3.163     scop       85:   $module $use_descriptions %descriptions @mytz $dwhere
3.139     scop       86:   $use_moddate $has_zlib $gzip_open $file_list_len
3.120     scop       87:   $allow_tar @tar_options @gzip_options @zip_options @cvs_options
3.166     scop       88:   @annotate_options @rcsdiff_options $LOG_FILESEPARATOR $LOG_REVSEPARATOR
3.165     scop       89:   $HTML_DOCTYPE $HTML_META $cssurl $CSS
3.148     scop       90:   $CvsWebMarkupRE $allow_enscript @enscript_options %enscript_types
3.176     scop       91:   $MimeTypes $Have_Ediff
3.1       knu        92: );
                     93:
3.125     scop       94: # TODO:
                     95: #   Maybe "use filetest 'access'" on perl >= 5.6 for better -X checks.
                     96: #($] >= 5.006) and eval "use filetest 'access'";
                     97:
3.165     scop       98: use Cwd                   qw(abs_path);
3.172     scop       99: use File::Basename        qw(dirname);
3.171     scop      100: use File::Path            qw(rmtree);
3.165     scop      101: use File::Spec::Functions qw(catdir catfile devnull tmpdir);
                    102: use File::Temp            qw(tempdir);
3.174     scop      103: use IPC::Run              qw(start finish timeout);
3.172     scop      104: use Time::Local           qw(timegm);
3.122     scop      105:
                    106: # -----------------------------------------------------------------------------
                    107:
                    108: # All global initialization that can be done in compile time should go to
                    109: # the BEGIN block.  Persistent environments, such as mod_perl, will benefit
                    110: # from this.
                    111:
                    112: BEGIN
                    113: {
                    114:   $VERSION = '3.0-dev';
                    115:
                    116:   $HTML_DOCTYPE =
                    117:     '<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">';
                    118:
                    119:   $HTML_META = <<EOM;
                    120: <meta name="robots" content="nofollow">
                    121: <meta name="generator" content="FreeBSD-CVSweb $VERSION">
                    122: <meta http-equiv="Content-Script-Type" content="text/javascript">
                    123: <meta http-equiv="Content-Style-Type" content="text/css">
                    124: EOM
                    125:
                    126:   # Check if the zlib C library interface is installed, and if yes,
                    127:   # we can avoid using the extra gzip process.
                    128:   eval { require Compress::Zlib; };
                    129:   $has_zlib = !$@;
                    130:
3.156     scop      131:   # Use MIME::Types for MIME type lookups if it's available.
                    132:   eval {
                    133:     require MIME::Types;
                    134:     $MimeTypes = MIME::Types->new();
                    135:   };
                    136:   $MimeTypes = undef if $@;
                    137:
3.176     scop      138:   # Use String::Ediff for enhanced human readable diffs if available.
                    139:   eval { require String::Ediff; };
                    140:   $Have_Ediff = !$@;
                    141:
3.122     scop      142:   $is_mod_perl = defined($ENV{MOD_PERL});
                    143:
                    144:   $LOG_FILESEPARATOR = qr/^={77}$/o;
                    145:   $LOG_REVSEPARATOR  = qr/^-{28}$/o;
3.146     scop      146:
                    147:   $CvsWebMarkupRE = qr/^text\/(x-cvsweb|vnd\.viewcvs)-markup$/io;
3.172     scop      148:
3.122     scop      149: }
                    150:
                    151: # -----------------------------------------------------------------------------
                    152:
3.12      knu       153: sub printDiffSelect($);
3.168     scop      154: sub printDiffSelectStickyVars();
3.37      knu       155: sub printDiffLinks($$);
                    156: sub printLogSortSelect($);
3.12      knu       157: sub findLastModifiedSubdirs(@);
3.36      knu       158: sub htmlify_sub(&$);
3.12      knu       159: sub htmlify($;$);
3.20      knu       160: sub spacedHtmlText($;$);
3.12      knu       161: sub link($$);
                    162: sub revcmp($$);
3.103     knu       163: sub fatal($$@);
3.12      knu       164: sub redirect($);
                    165: sub safeglob($);
3.58      knu       166: sub search_path($);
3.156     scop      167: sub getMimeType($;$);
3.24      knu       168: sub head($;$);
                    169: sub scan_directives(@);
3.86      knu       170: sub openOutputFilter();
3.133     scop      171: sub doAnnotate($);
3.12      knu       172: sub doCheckout($$);
3.167     scop      173: sub doEnscript($$$);
3.170     scop      174: sub doGraph();
                    175: sub doGraphView();
3.163     scop      176: sub cvswebMarkup($$$;$);
3.12      knu       177: sub viewable($);
                    178: sub doDiff($$$$$$);
                    179: sub getDirLogs($$@);
                    180: sub readLog($;$);
                    181: sub printLog($;$);
                    182: sub doLog($);
                    183: sub flush_diff_rows($$$$);
3.144     scop      184: sub human_readable_diff($$);
3.163     scop      185: sub navigateHeader($$$$$;$);
3.12      knu       186: sub plural_write($$);
                    187: sub readableTime($$);
                    188: sub clickablePath($$);
                    189: sub chooseCVSRoot();
                    190: sub chooseMirror();
                    191: sub fileSortCmp();
                    192: sub download_url($$;$);
                    193: sub download_link($$$;$);
3.170     scop      194: sub graph_link($;$);
3.140     scop      195: sub toggleQuery($;$);
3.12      knu       196: sub urlencode($);
3.35      knu       197: sub htmlquote($);
3.36      knu       198: sub htmlunquote($);
3.48      knu       199: sub hrefquote($);
3.163     scop      200: sub http_header(;$$);
                    201: sub html_header($;$);
3.12      knu       202: sub html_footer();
                    203: sub link_tags($);
3.81      knu       204: sub forbidden_file($);
3.12      knu       205: sub forbidden_module($);
3.174     scop      206: sub startproc($@);
3.12      knu       207:
3.1       knu       208: ##### Start of Configuration Area ########
3.122     scop      209:
3.142     scop      210: # Get rid of unsafe environment vars.  Don't do this in BEGIN...
3.173     scop      211: # This will fail with mod_perl 1.99_X for X < 08.
                    212: # http://marc.theaimsgroup.com/?l=apache-modperl-dev&m=103473352222344
3.142     scop      213: delete(@ENV{qw(PATH IFS CDPATH ENV BASH_ENV)});
3.59      knu       214:
3.172     scop      215: my ($mydir) = (dirname($0) =~ /(.*)/);    # untaint
3.58      knu       216:
3.12      knu       217: # == EDIT this ==
3.28      knu       218: # Locations to search for user configuration, in order:
3.165     scop      219: for (catfile($mydir, 'cvsweb.conf'), '/usr/local/etc/cvsweb/cvsweb.conf') {
                    220:   if (-r $_) {
3.120     scop      221:     $config = $_;
                    222:     last;
                    223:   }
3.11      knu       224: }
3.122     scop      225: undef $mydir;
3.1       knu       226:
                    227: # == Configuration defaults ==
                    228: # Defaults for configuration variables that shouldn't need
                    229: # to be configured..
                    230: $allow_version_select = 1;
3.120     scop      231: $allow_log_extra      = 1;
3.1       knu       232:
                    233: ##### End of Configuration Area   ########
                    234:
                    235: ######## Configuration variables #########
                    236: # These are defined to allow checking with perl -cw
3.120     scop      237:
3.80      knu       238: @CVSrepositories = @CVSROOT = %CVSROOT = %MIRRORS = %DEFAULTVALUE = %ICONS =
3.129     scop      239:   %MTYPES = %tags = %alltags = %fileinfo = ();
3.120     scop      240:
3.129     scop      241: $cvstreedefault = $logo = $defaulttitle =
3.120     scop      242:   $address = $long_intro = $short_instruction = $shortLogLen = $show_author =
3.131     scop      243:   $tablepadding = $hr_breakable = $showfunc = $hr_ignwhite =
3.129     scop      244:   $hr_ignkeysubst = $inputTextSize = $mime_types = $allow_annotate =
3.120     scop      245:   $allow_markup = $use_java_script = $open_extern_window =
                    246:   $extern_window_width = $extern_window_height = $edit_option_form =
3.144     scop      247:   $show_subdir_lastmod = $show_log_in_markup =
3.163     scop      248:   $tabstop = $use_moddate = $gzip_open = undef;
3.32      knu       249:
3.37      knu       250: @DIFFTYPES = qw(h H u c s);
                    251: @DIFFTYPES{@DIFFTYPES} = (
3.120     scop      252:   {
                    253:     'descr'   => 'colored',
                    254:     'opts'    => ['-u'],
                    255:     'colored' => 1,
                    256:   },
                    257:   {
                    258:     'descr'   => 'long colored',
                    259:     'opts'    => ['--unified=15'],
                    260:     'colored' => 1,
                    261:   },
                    262:   {
                    263:     'descr'   => 'unified',
                    264:     'opts'    => ['-u'],
                    265:     'colored' => 0,
                    266:   },
                    267:   {
                    268:     'descr'   => 'context',
                    269:     'opts'    => ['-c'],
                    270:     'colored' => 0,
                    271:   },
                    272:   {
                    273:     'descr'   => 'side by side',
                    274:     'opts'    => ['--side-by-side', '--width=164'],
                    275:     'colored' => 0,
                    276:   },
3.80      knu       277: );
3.37      knu       278:
                    279: @LOGSORTKEYS = qw(cvs date rev);
                    280: @LOGSORTKEYS{@LOGSORTKEYS} = (
3.120     scop      281:   {'descr' => 'Not sorted',},
                    282:   {'descr' => 'Commit date',},
                    283:   {'descr' => 'Revision',},
3.80      knu       284: );
3.37      knu       285:
3.1       knu       286: ##### End of configuration variables #####
                    287:
3.120     scop      288: $checkoutMagic =  "~checkout~";
                    289: $pathinfo      =  defined($ENV{PATH_INFO}) ? $ENV{PATH_INFO} : '';
                    290: $where         =  $pathinfo;
                    291: $doCheckout    =  ($where =~ m|^/$checkoutMagic/|);
                    292: $where         =~ s|^/$checkoutMagic/|/|;
                    293: $where         =~ s|^/||;
                    294: $scriptname    =  defined($ENV{SCRIPT_NAME}) ? $ENV{SCRIPT_NAME} : '';
                    295: $scriptname    =~ s|^/*|/|;
3.63      knu       296:
3.64      knu       297: # Let's workaround thttpd's stupidity..
3.63      knu       298: if ($scriptname =~ m|/$|) {
3.120     scop      299:   $pathinfo .= '/';
                    300:   my $re = quotemeta $pathinfo;
                    301:   $scriptname =~ s/$re$//;
3.63      knu       302: }
                    303:
3.120     scop      304: $scriptwhere  = $scriptname;
3.63      knu       305: $scriptwhere .= '/' . urlencode($where);
                    306: $where = '/' if ($where eq '');
3.3       knu       307:
3.1       knu       308: # in lynx, it it very annoying to have two links
                    309: # per file, so disable the link at the icon
                    310: # in this case:
3.120     scop      311: $Browser     = $ENV{HTTP_USER_AGENT} || '';
3.80      knu       312: $is_links    = ($Browser =~ m`^Links `);
                    313: $is_lynx     = ($Browser =~ m`^Lynx/`i);
                    314: $is_w3m      = ($Browser =~ m`^w3m/`i);
                    315: $is_msie     = ($Browser =~ m`MSIE`);
3.5       knu       316: $is_mozilla3 = ($Browser =~ m`^Mozilla/[3-9]`);
3.3       knu       317:
3.34      knu       318: $is_textbased = ($is_links || $is_lynx || $is_w3m);
3.5       knu       319:
                    320: $nofilelinks = $is_textbased;
3.1       knu       321:
                    322: # newer browsers accept gzip content encoding
                    323: # and state this in a header
                    324: # (netscape did always but didn't state it)
                    325: # It has been reported that these
                    326: #  braindamaged MS-Internet Exploders claim that they
                    327: # accept gzip .. but don't in fact and
                    328: # display garbage then :-/
3.23      knu       329: # Turn off gzip if running under mod_perl and no zlib is available,
                    330: # piping does not work as expected inside the server.
3.120     scop      331: $maycompress = (
                    332:   ((defined($ENV{HTTP_ACCEPT_ENCODING})
                    333:     && $ENV{HTTP_ACCEPT_ENCODING} =~ /gzip/)
                    334:    || $is_mozilla3)
                    335:   && !$is_msie
                    336:   && !($is_mod_perl && !$has_zlib)
                    337: );
3.1       knu       338:
                    339: # put here the variables we need in order
                    340: # to hold our state - they will be added (with
3.12      knu       341: # their current value) to any link/query string
3.1       knu       342: # you construct
3.149     scop      343: @stickyvars = qw(cvsroot hideattic ignorecase sortby logsort f only_with_tag
                    344:                  ln);
3.97      knu       345: @unsafevars = qw(logsort only_with_tag r1 r2 rev sortby tr1 tr2);
1.1       jfieber   346:
3.1       knu       347: if (-f $config) {
3.120     scop      348:   do "$config"
                    349:     or fatal("500 Internal Error",
                    350:              'Error in loading configuration file: %s<br><br>%s<br>',
                    351:              $config, $@);
3.27      knu       352: } else {
3.120     scop      353:   fatal("500 Internal Error",
                    354:         'Configuration not found.  Set the variable <code>$config</code> in cvsweb.cgi to your <b>cvsweb.conf</b> configuration file first.');
3.1       knu       355: }
                    356:
3.144     scop      357: $CSS = $cssurl ?
                    358:   sprintf("<link rel=\"stylesheet\" type=\"text/css\" href=\"%s\">\n",
                    359:           htmlquote($cssurl)) : '';
                    360:
3.1       knu       361: undef %input;
3.3       knu       362: $query = $ENV{QUERY_STRING};
                    363:
3.12      knu       364: if (defined($query) && $query ne '') {
3.120     scop      365:   foreach (split (/&/, $query)) {
                    366:     y/+/ /;
                    367:     s/%(..)/sprintf("%c", hex($1))/ge;    # unquote %-quoted
                    368:     if (/(\S+)=(.*)/) {
                    369:       $input{$1} = $2 if ($2 ne "");
                    370:     } else {
                    371:       $input{$_}++;
                    372:     }
                    373:   }
1.7       fenner    374: }
1.10      wosch     375:
3.12      knu       376: # For backwards compability, set only_with_tag to only_on_branch if set.
3.1       knu       377: $input{only_with_tag} = $input{only_on_branch}
3.120     scop      378:   if (defined($input{only_on_branch}));
3.97      knu       379:
3.154     scop      380: # Prevent cross-site scripting, untaint.
3.97      knu       381: foreach (@unsafevars) {
3.154     scop      382:   if (defined($input{$_})) {
                    383:     # Colons are needed in diffs between tags.
3.155     scop      384:     if ($input{$_} =~ /^([\w\-.:]*)$/) {
3.154     scop      385:       $input{$_} = $1;
                    386:     } else {
                    387:       fatal("500 Internal Error", 'Malformed query (%s=%s)', $_, $input{$_});
                    388:     }
3.120     scop      389:   }
3.97      knu       390: }
                    391:
                    392: if (defined($input{"content-type"})) {
3.146     scop      393:   fatal('500 Internal Error', 'Unsupported content-type')
                    394:     if ($input{"content-type"} !~ /^[-0-9A-Za-z]+\/[-0-9A-Za-z\.]+$/);
3.97      knu       395: }
1.10      wosch     396:
3.158     scop      397: #
                    398: # CVS roots
                    399: #
                    400: my $rootfound = 0;
                    401: for (my $i = 0; $i < scalar(@CVSrepositories); $i += 2) {
                    402:   my $key = $CVSrepositories[$i];
                    403:   my ($descr, $cvsroot) = @{$CVSrepositories[$i+1]};
                    404:   unless (-d $cvsroot) {
                    405:     warn("Root '$cvsroot' defined in \@CVSrepositories is not a directory, " .
                    406:          'entry ignored');
                    407:     next;
                    408:   }
                    409:   $rootfound ||= 1;
                    410:   $cvstreedefault = $key unless defined($cvstreedefault);
                    411:   $CVSROOTdescr{$key} = $descr;
                    412:   $CVSROOT{$key} = $cvsroot;
                    413:   push(@CVSROOT, $key);
                    414: }
                    415: unless ($rootfound) {
                    416:   fatal('500 Internal Error',
                    417:         'No valid CVS roots found!  See <code>@CVSrepositories</code> in ' .
                    418:         'your configuration file (<code>%s</code>).',
                    419:         $config);
                    420: }
                    421: undef $rootfound;
                    422:
                    423: #
                    424: # Default CVS root
                    425: #
                    426: if (!defined($CVSROOT{$cvstreedefault})) {
                    427:   fatal("500 Internal Error",
                    428:         '<code>$cvstreedefault</code> points to a repository (%s) not ' .
                    429:         'defined in <code>@CVSrepositories</code> in your configuration ' .
                    430:         'file (<code>%s</code>).',
                    431:         $cvstreedefault,
                    432:         $config);
                    433: }
                    434:
3.1       knu       435: $DEFAULTVALUE{'cvsroot'} = $cvstreedefault;
1.10      wosch     436:
3.120     scop      437: while (my ($key, $defval) = each %DEFAULTVALUE) {
3.80      knu       438:
3.120     scop      439:   # Replace not given parameters with defaults.
                    440:   next unless (defined($defval)
3.121     scop      441:                && (!defined($input{$key}) || $input{$key} eq ''));
3.120     scop      442:
                    443:   # Empty checkboxes in forms return nothing, so we define a helper variable
                    444:   # in these forms (copt) which indicates that we just set parameters with a
                    445:   # checkbox.
                    446:   if (defined($input{'copt'})) {
                    447:
                    448:     # 'copt' is defined -> the result of empty input checkbox
                    449:     # -> set to zero (disable) if default is a boolean (0|1).
                    450:     $input{$key} = 0 if ($defval eq '0' || $defval eq '1');
                    451:
                    452:   } else {
                    453:
                    454:     # 'copt' isn't defined --> empty input is not the result
                    455:     # of empty input checkbox --> set default.
                    456:     $input{$key} = $defval;
                    457:   }
1.10      wosch     458: }
3.12      knu       459:
3.1       knu       460: $barequery = "";
3.31      knu       461: my @barequery;
3.1       knu       462: foreach (@stickyvars) {
3.80      knu       463:
3.120     scop      464:   # construct a query string with the sticky non default parameters set
                    465:   if (defined($input{$_})
                    466:       && $input{$_} ne ''
                    467:       && !(defined($DEFAULTVALUE{$_}) && $input{$_} eq $DEFAULTVALUE{$_}))
                    468:   {
                    469:     push @barequery, join ('=', urlencode($_), urlencode($input{$_}));
                    470:   }
3.1       knu       471: }
3.80      knu       472:
3.168     scop      473: if ($allow_enscript) {
                    474:   push(@DIFFTYPES, qw(uc cc sc));
                    475:   @DIFFTYPES{qw(uc cc sc)} = (
                    476:     {
                    477:      'descr'   => 'unified, colored',
                    478:      'opts'    => ['-u'],
                    479:      'colored' => 0,
                    480:     },
                    481:     {
                    482:      'descr'   => 'context, colored',
                    483:      'opts'    => ['-c'],
                    484:      'colored' => 0,
                    485:     },
                    486:     {
                    487:      'descr'   => 'side by side, colored',
                    488:      'opts'    => ['--side-by-side', '--width=164'],
                    489:      'colored' => 0,
                    490:     },
                    491:   );
                    492: } else {
                    493:   # No Enscript -> respect difftype, but don't offer colorization.
                    494:   if ($input{f} && $input{f} =~ /^([ucs])c$/) {
                    495:     $input{f} = $1;
                    496:   }
                    497: }
                    498:
3.1       knu       499: # is there any query ?
3.31      knu       500: if (@barequery) {
3.120     scop      501:   $barequery = join ('&', @barequery);
                    502:   $query     = "?$barequery";
                    503:   $barequery = "&$barequery";
3.80      knu       504: } else {
3.120     scop      505:   $query = "";
3.1       knu       506: }
3.31      knu       507: undef @barequery;
3.1       knu       508:
3.120     scop      509: if (defined($input{'path'})) {
                    510:   redirect("$scriptname/$input{path}$query");
3.57      knu       511: }
                    512:
3.1       knu       513: # get actual parameters
3.144     scop      514: {
                    515:   my $sortby = $input{sortby} || 'file';
                    516:   $bydate    = 0;
                    517:   $byrev     = 0;
                    518:   $byauthor  = 0;
                    519:   $bylog     = 0;
                    520:   $byfile    = 0;
                    521:   if ($sortby eq 'date') {
                    522:     $bydate = 1;
                    523:   } elsif ($sortby eq 'rev') {
                    524:     $byrev = 1;
                    525:   } elsif ($sortby eq 'author') {
                    526:     $byauthor = 1;
                    527:   } elsif ($sortby eq 'log') {
                    528:     $bylog = 1;
                    529:   } else {
                    530:     $byfile = 1;
                    531:   }
3.1       knu       532: }
                    533:
3.37      knu       534: $defaultDiffType = $input{'f'};
3.1       knu       535:
3.3       knu       536: $logsort = $input{'logsort'};
3.1       knu       537:
                    538: # alternate CVS-Tree, configured in cvsweb.conf
                    539: if ($input{'cvsroot'} && $CVSROOT{$input{'cvsroot'}}) {
3.120     scop      540:   $cvstree = $input{'cvsroot'};
3.1       knu       541: } else {
3.120     scop      542:   $cvstree = $cvstreedefault;
1.10      wosch     543: }
                    544:
3.1       knu       545: $cvsroot = $CVSROOT{$cvstree};
1.10      wosch     546:
3.1       knu       547: # create icons out of description
3.120     scop      548: foreach my $k (keys %ICONS) {
                    549:   my ($itxt, $ipath, $iwidth, $iheight) = @{$ICONS{$k}};
                    550:   no strict 'refs';
                    551:   if ($ipath) {
                    552:     ${"${k}icon"} =
                    553:       sprintf('<img src="%s" alt="%s" border="0" width="%d" height="%d">',
3.132     scop      554:               hrefquote($ipath), htmlquote($itxt), $iwidth, $iheight);
3.120     scop      555:   } else {
                    556:     ${"${k}icon"} = $itxt;
                    557:   }
1.24      wosch     558: }
                    559:
3.27      knu       560: my $config_cvstree = "$config-$cvstree";
                    561:
3.1       knu       562: # Do some special configuration for cvstrees
3.27      knu       563: if (-f $config_cvstree) {
3.120     scop      564:   do "$config_cvstree"
                    565:     or fatal("500 Internal Error",
                    566:              'Error in loading configuration file: %s<br><br>%s<br>',
                    567:              $config_cvstree, $@);
3.27      knu       568: }
3.31      knu       569: undef $config_cvstree;
3.1       knu       570:
3.120     scop      571: $re_prcategories  = '(?:' . join ('|', @prcategories) . ')' if @prcategories;
                    572: $re_prkeyword     = quotemeta($prkeyword) if defined($prkeyword);
                    573: $prcgi           .= '%s' if defined($prcgi) && $prcgi !~ /%s/;
1.24      wosch     574:
3.80      knu       575: $fullname         = "$cvsroot/$where";
3.1       knu       576:
3.63      knu       577: my $rewrite = 0;
                    578:
                    579: if ($pathinfo =~ m|//|) {
3.120     scop      580:   $pathinfo =~ y|/|/|s;
                    581:   $rewrite = 1;
3.63      knu       582: }
                    583:
3.120     scop      584: if (-d $fullname) {
                    585:   if ($pathinfo !~ m|/$|) {
                    586:     $pathinfo .= '/';
                    587:     $rewrite   = 1;
                    588:   }
                    589: } else {
                    590:   if ($pathinfo =~ m|/$|) {
                    591:     chop $pathinfo;
                    592:     $rewrite = 1;
                    593:   }
3.63      knu       594: }
                    595:
                    596: if ($rewrite) {
3.120     scop      597:   redirect($scriptname . urlencode($pathinfo) . $query);
3.1       knu       598: }
                    599:
3.63      knu       600: undef $rewrite;
                    601:
3.1       knu       602: if (!-d $cvsroot) {
3.120     scop      603:   fatal("500 Internal Error",
                    604:         '$CVSROOT not found!<p>The server on which the CVS tree lives is probably down.  Please try again in a few minutes.');
3.1       knu       605: }
                    606:
                    607: #
                    608: # See if the module is in our forbidden list.
                    609: #
                    610: $where =~ m:([^/]*):;
                    611: $module = $1;
                    612: if ($module && &forbidden_module($module)) {
3.120     scop      613:   fatal("403 Forbidden", 'Access to %s forbidden.', $where);
3.1       knu       614: }
3.46      knu       615:
                    616: #
                    617: # Handle tarball downloads before any headers are output.
                    618: #
                    619: if ($input{tarball}) {
3.120     scop      620:   fatal('403 Forbidden', 'Downloading tarballs is prohibited.')
                    621:     unless $allow_tar;
                    622:   my ($module)  =  ($where =~ m,^/?(.*),);    # untaint
                    623:   $module       =~ s,/([^/]*)$,,;
                    624:   my ($ext)     =  ($1 =~ /(\.tar\.gz|\.zip)$/);
                    625:   my ($basedir) =  ($module =~ m,([^/]+)$,);
                    626:
                    627:   if ($basedir eq '' || $module eq '') {
                    628:     fatal('500 Internal Error',
                    629:           'You cannot download the top level directory.');
                    630:   }
                    631:
3.138     scop      632:   my $tmpexportdir;
                    633:   eval {
                    634:     local $SIG{__DIE__};
3.171     scop      635:     # Don't use the CLEANUP argument to tempdir() here, since we might be under
                    636:     # mod_perl (the process runs for a long time), unlink explicitly later.
                    637:     $tmpexportdir = tempdir('.cvsweb.XXXXXXXX', TMPDIR => 1);
3.138     scop      638:   };
                    639:   if ($@) {
                    640:     fatal('500 Internal Error', 'Unable to make temporary directory: %s', $@);
                    641:   }
3.120     scop      642:
                    643:   my @fatal;
                    644:
                    645:   my $tag =
                    646:     (exists $input{only_with_tag} && length $input{only_with_tag})
                    647:     ? $input{only_with_tag}
                    648:     : 'HEAD';
                    649:
                    650:   $tag = 'HEAD' if $tag eq 'MAIN';
                    651:
                    652:   if (system($CMD{cvs},
                    653:              @cvs_options, '-Qd', $cvsroot, 'export', '-r', $tag, '-d',
3.165     scop      654:              catdir($tmpexportdir, $basedir), $module))
3.120     scop      655:   {
3.141     scop      656:     @fatal = ('500 Internal Error', 'cvs export failure: %s: %s', $!, $module);
3.120     scop      657:   } else {
                    658:     $| = 1;    # Essential to get the buffering right.
                    659:
                    660:     if ($ext eq '.tar.gz') {
                    661:       print "Content-Type: application/x-gzip\r\n\r\n";
                    662:
                    663:       system("$CMD{tar} @tar_options -cf - -C $tmpexportdir $basedir | $CMD{gzip} @gzip_options -c")
                    664:         and @fatal =
                    665:           ('500 Internal Error', 'tar zc failure: %s: %s', $!, $basedir);
                    666:     } elsif ($ext eq '.zip' && $CMD{zip}) {
                    667:       print "Content-Type: application/zip\r\n\r\n";
                    668:
                    669:       system("cd $tmpexportdir && $CMD{zip} @zip_options -r - $basedir")
                    670:         and @fatal =
                    671:           ('500 Internal Error', 'zip failure: %s: %s', $!, $basedir);
                    672:     } else {
                    673:       @fatal = ('500 Internal Error', 'unsupported file type');
                    674:     }
                    675:   }
3.46      knu       676:
3.171     scop      677:   # Clean up.
                    678:   rmtree($tmpexportdir);
3.46      knu       679:
3.120     scop      680:   &fatal(@fatal) if @fatal;
3.46      knu       681:
3.120     scop      682:   exit;
3.46      knu       683: }
                    684:
3.1       knu       685: ##############################
                    686: # View a directory
                    687: ###############################
3.46      knu       688: if (-d $fullname) {
3.120     scop      689:   my $dh = do { local (*DH); };
                    690:   opendir($dh, $fullname) or fatal("404 Not Found", '%s: %s', $where, $!);
                    691:   my @dir = readdir($dh);
                    692:   closedir($dh);
                    693:   my @subLevelFiles = findLastModifiedSubdirs(@dir)
                    694:     if ($show_subdir_lastmod);
3.150     scop      695:   my @unreadable = getDirLogs($cvsroot, $where, @subLevelFiles);
3.120     scop      696:
                    697:   if ($where eq '/') {
                    698:     html_header($defaulttitle);
                    699:     $long_intro =~ s/!!CVSROOTdescr!!/$CVSROOTdescr{$cvstree}/g;
                    700:     print $long_intro;
                    701:   } else {
                    702:     html_header($where);
                    703:     print $short_instruction;
                    704:   }
                    705:
3.165     scop      706:   if ($use_descriptions &&
                    707:       open(DESC, '<', catfile($cvsroot, 'CVSROOT', 'descriptions'))) {
3.120     scop      708:     while (<DESC>) {
                    709:       chomp;
                    710:       my ($dir, $description) = /(\S+)\s+(.*)/;
                    711:       $descriptions{$dir} = $description;
                    712:     }
                    713:     close(DESC);
                    714:   }
                    715:
                    716:   print "<p><a name=\"dirlist\"></a></p>\n";
                    717:
                    718:   # give direct access to dirs
                    719:   if ($where eq '/') {
                    720:     chooseMirror();
                    721:     chooseCVSRoot();
                    722:   } else {
                    723:     print "<p>Current directory: <b>", &clickablePath($where, 0), "</b></p>\n";
                    724:
3.153     scop      725:     print "<p>Current tag: <b>", htmlquote($input{only_with_tag}), "</b></p>\n"
3.120     scop      726:       if $input{only_with_tag};
                    727:
                    728:   }
                    729:
3.177   ! scop      730:   print "<hr>\n";
3.120     scop      731:
3.131     scop      732:   my $infocols = 0;
                    733:
                    734:   print "<table class=\"dir\" width=\"100%\" cellspacing=\"1\" cellpadding=\"$tablepadding\">\n";
                    735:   $infocols++;
3.132     scop      736:   printf "<tr>\n<th class=\"dir-header%s\" colspan=\"2\">",
                    737:     $byfile ? '-sorted' : '';
3.131     scop      738:
                    739:   if ($byfile) {
                    740:     print 'File';
                    741:   } else {
                    742:     print &link('File',
                    743:                 sprintf('./%s#dirlist', toggleQuery('sortby', 'file')));
                    744:   }
                    745:   print "</th>\n";
3.120     scop      746:
3.131     scop      747:   # Do not display the other column headers if we do not have any files
                    748:   # with revision information.
                    749:   if (scalar(%fileinfo)) {
3.120     scop      750:     $infocols++;
3.131     scop      751:     printf '<th class="dir-header%s">', $byrev ? '-sorted' : '';
3.120     scop      752:
3.131     scop      753:     if ($byrev) {
                    754:       print 'Rev.';
3.120     scop      755:     } else {
3.131     scop      756:       print &link('Rev.',
                    757:                   sprintf('./%s#dirlist', toggleQuery('sortby', 'rev')));
3.120     scop      758:     }
                    759:     print "</th>\n";
3.131     scop      760:     $infocols++;
                    761:     printf '<th class="dir-header%s">', $bydate ? '-sorted' : '';
3.120     scop      762:
3.131     scop      763:     if ($bydate) {
                    764:       print 'Age';
                    765:     } else {
                    766:       print &link('Age',
                    767:                   sprintf('./%s#dirlist', toggleQuery('sortby', 'date')));
                    768:     }
                    769:     print "</th>\n";
3.120     scop      770:
3.131     scop      771:     if ($show_author) {
3.120     scop      772:       $infocols++;
3.131     scop      773:       printf '<th class="dir-header%s">', $byauthor ? '-sorted' : '';
3.120     scop      774:
3.131     scop      775:       if ($byauthor) {
                    776:         print 'Author';
3.120     scop      777:       } else {
3.131     scop      778:         print
                    779:           &link('Author',
                    780:                 sprintf('./%s#dirlist', toggleQuery('sortby', 'author')));
3.120     scop      781:       }
                    782:       print "</th>\n";
3.131     scop      783:     }
                    784:     $infocols++;
                    785:     printf '<th class="dir-header%s">', $bylog ? '-sorted' : '';
3.120     scop      786:
3.131     scop      787:     if ($bylog) {
                    788:       print 'Last log entry';
                    789:     } else {
                    790:       print &link('Last log entry',
                    791:                   sprintf('./%s#dirlist', toggleQuery('sortby', 'log')));
3.120     scop      792:     }
3.131     scop      793:     print "</th>\n";
                    794:   } elsif ($use_descriptions) {
                    795:     print "<th class=\"dir-header\">Description</th>\n";
                    796:     $infocols++;
3.120     scop      797:   }
3.131     scop      798:   print "</tr>\n";
                    799:
3.120     scop      800:   my $dirrow = 0;
                    801:
                    802:   my $i;
                    803:   lookingforattic:
                    804:   for ($i = 0; $i <= $#dir; $i++) {
                    805:     if ($dir[$i] eq "Attic") {
                    806:       last lookingforattic;
                    807:     }
                    808:   }
                    809:
                    810:   if (!$input{'hideattic'}
                    811:       && ($i <= $#dir)
                    812:       && opendir($dh, $fullname . '/Attic'))
                    813:   {
                    814:     splice(@dir, $i, 1, grep((s|^|Attic/|, !m|/\.|), readdir($dh)));
                    815:     closedir($dh);
                    816:   }
                    817:
                    818:   my $hideAtticToggleLink =
                    819:     $input{'hideattic'}
                    820:     ? ''
                    821:     : &link('[Hide]', sprintf('./%s#dirlist', &toggleQuery('hideattic')));
                    822:
                    823:   # Sort without the Attic/ pathname.
                    824:   # place directories first
                    825:
                    826:   my $attic;
                    827:   my $url;
                    828:   my $fileurl;
                    829:   my $filesexists;
                    830:   my $filesfound;
                    831:
                    832:   foreach my $file (sort { &fileSortCmp } @dir) {
                    833:
                    834:     next if ($file eq '.');
                    835:
                    836:     # ignore CVS lock and stale NFS files
                    837:     next if ($file =~ /^\#cvs\.|^,|^\.nfs/); # \# for XEmacs cperl-mode...
                    838:
                    839:     # Check whether to show the CVSROOT path
                    840:     next if ($input{'hidecvsroot'} && $file eq 'CVSROOT');
                    841:
                    842:     # Check whether the module is in the restricted list
                    843:     next if ($file && &forbidden_module($file));
                    844:
3.150     scop      845:     # Is it a directory?
                    846:     my $isdir = -d "$fullname/$file";
                    847:
                    848:     # Ignore non-readable files and directories?
                    849:     next if ($input{'hidenonreadable'} && (! -r _ || ($isdir && ! -x _)));
3.120     scop      850:
                    851:     if ($file =~ s|^Attic/||) {
3.131     scop      852:       $attic = ' (in&nbsp;the&nbsp;Attic)&nbsp;' . $hideAtticToggleLink;
3.120     scop      853:     } else {
                    854:       $attic = '';
                    855:     }
                    856:
3.150     scop      857:     if ($file eq '..' || $isdir) {
3.120     scop      858:       next if ($file eq '..' && $where eq '/');
3.152     scop      859:       my ($rev, $date, $log, $author, $filename, $keywordsubst) =
                    860:         @{$fileinfo{$file}} if (defined($fileinfo{$file}));
3.132     scop      861:       printf "<tr class=\"dir-row-%s\">\n<td colspan=\"2\">",
                    862:         ($dirrow % 2) ? 'even' : 'odd';
3.120     scop      863:
                    864:       if ($file eq '..') {
                    865:         $url = "../$query";
                    866:         if ($nofilelinks) {
                    867:           print $backicon;
                    868:         } else {
                    869:           print &link($backicon, $url);
                    870:         }
                    871:         print '&nbsp;', &link("Parent Directory", $url);
                    872:       } else {
                    873:         $url = './' . urlencode($file) . "/$query";
3.136     scop      874:         print '<a name="', hrefquote($file), '"></a>';
3.120     scop      875:
                    876:         if ($nofilelinks) {
                    877:           print $diricon;
                    878:         } else {
                    879:           print &link($diricon, $url);
                    880:         }
3.136     scop      881:         print '&nbsp;', &link(htmlquote("$file/"), $url), $attic;
3.120     scop      882:
                    883:         if ($file eq "Attic") {
                    884:           print "&nbsp; ";
                    885:           print &link('[Don\'t hide]',
                    886:                       sprintf('./%s#dirlist', &toggleQuery('hideattic')));
                    887:         }
                    888:       }
                    889:
                    890:       # Show last change in dir
                    891:       if ($filename) {
3.131     scop      892:         print "</td>\n<td>&nbsp;</td>\n<td>&nbsp;";
                    893:
3.120     scop      894:         if ($date) {
                    895:           print " <i>", readableTime(time() - $date, 0), "</i>";
                    896:         }
                    897:
                    898:         if ($show_author) {
3.136     scop      899:           print "</td>\n<td>&nbsp;", htmlquote($author);
3.120     scop      900:         }
3.131     scop      901:         print "</td>\n<td>&nbsp;";
3.120     scop      902:         $filename =~ s%^[^/]+/%%;
3.136     scop      903:         print htmlquote($filename), '/', $rev, '<br>';
3.120     scop      904:
                    905:         if ($log) {
                    906:           print '&nbsp;<span style="font-size: smaller">',
                    907:             &htmlify(substr($log, 0, $shortLogLen), $allow_dir_extra);
                    908:           print '...' if (length($log) > 80);
                    909:           print '</span>';
                    910:         }
                    911:       } else {
                    912:         my $dwhere = ($where ne '/' ? $where : '') . $file;
                    913:
                    914:         if ($use_descriptions && defined $descriptions{$dwhere}) {
3.131     scop      915:           print '<td colspan="', ($infocols - 1), '">&nbsp;';
3.120     scop      916:           print $descriptions{$dwhere};
                    917:
3.131     scop      918:         } elsif ($infocols > 1) {
3.120     scop      919:
                    920:           # close the row with the appropriate number of
                    921:           # columns, so that the vertical seperators are visible
                    922:           my ($cols) = $infocols;
                    923:           while ($cols > 1) {
                    924:             print "</td>\n<td>&nbsp;";
                    925:             $cols--;
                    926:           }
                    927:         }
                    928:       }
                    929:
3.131     scop      930:       print "</td>\n</tr>\n";
3.120     scop      931:       $dirrow++;
3.131     scop      932:
3.120     scop      933:     } elsif ($file =~ s/,v$//) {
                    934:
                    935:       # Skip forbidden files now so we'll give no hint
                    936:       # about their existence.  This should probably have
                    937:       # been done earlier, but it's straightforward here.
                    938:       next if forbidden_file("$fullname/$file");
                    939:
                    940:       $fileurl   = ($attic ? 'Attic/' : '') . urlencode($file);
                    941:       $url       = './' . $fileurl . $query;
                    942:       $filesexists++;
                    943:       next if (!defined($fileinfo{$file}));
3.152     scop      944:       my ($rev, $date, $log, $author, $filename, $keywordsubst) =
                    945:         @{$fileinfo{$file}};
3.156     scop      946:       my $isbinary = $keywordsubst eq 'b' ? 1 : 0;
3.120     scop      947:       $filesfound++;
3.156     scop      948:
3.132     scop      949:       printf "<tr class=\"dir-row-%s\">\n", ($dirrow % 2) ? 'even' : 'odd';
                    950:       printf '<td%s>', $allow_cvsgraph ? '' : ' colspan="2"';
3.120     scop      951:
3.156     scop      952:       my $icon = $isbinary ? $binfileicon : $fileicon;
3.120     scop      953:       if ($nofilelinks) {
3.152     scop      954:         print $icon;
3.120     scop      955:       } else {
3.152     scop      956:         print &link($icon, $url);
3.120     scop      957:       }
                    958:       print '&nbsp;', &link(htmlquote($file), $url), $attic;
3.132     scop      959:       if ($allow_cvsgraph) {
3.170     scop      960:         print '</td><td>', &graph_link($fileurl);
3.132     scop      961:       }
                    962:       print "</td>\n<td width=\"30\">&nbsp;";
3.120     scop      963:       download_link($fileurl, $rev, $rev,
3.156     scop      964:                     viewable(getMimeType($file, $isbinary)) ?
                    965:                     'text/x-cvsweb-markup' : undef);
3.131     scop      966:       print "</td>\n<td>&nbsp;";
3.120     scop      967:
                    968:       if ($date) {
                    969:         print " <i>", readableTime(time() - $date, 0), "</i>";
                    970:       }
                    971:       if ($show_author) {
3.136     scop      972:         print "</td>\n<td>&nbsp;", htmlquote($author);
3.120     scop      973:       }
3.131     scop      974:       print "</td>\n<td>&nbsp;";
3.120     scop      975:
                    976:       if ($log) {
                    977:         print ' <span style="font-size: smaller">',
                    978:           &htmlify(substr($log, 0, $shortLogLen), $allow_dir_extra);
                    979:         print '...' if (length $log > 80);
                    980:         print '</span>';
                    981:       }
3.131     scop      982:       print "</td>\n</tr>";
3.120     scop      983:       $dirrow++;
                    984:     }
                    985:     print "\n";
                    986:   }
                    987:
3.131     scop      988:   print "</table>\n";
3.120     scop      989:
3.150     scop      990:   if ((my $num = scalar(@unreadable)) && ! $input{hidenonreadable}) {
                    991:     printf(<<EOF, $num, htmlquote(join(', ', @unreadable)));
                    992: <p>
                    993:  <b>NOTE:</b> The following %d unreadable files were ignored:<br>
                    994:  <em>%s</em>
                    995: </p>
                    996: EOF
                    997:   }
                    998:
3.120     scop      999:   if ($filesexists && !$filesfound) {
3.150     scop     1000:     my $currtag = defined($input{only_with_tag}) ?
                   1001:       sprintf(' (%s)', htmlquote($input{only_with_tag})) : '';
                   1002:     printf(<<EOF, $filesexists, $currtag);
                   1003: <p>
                   1004:  <b>NOTE:</b> There are %d files, but none matches the current tag%s.
                   1005: </p>
                   1006: EOF
3.120     scop     1007:   }
                   1008:
                   1009:   if ($input{only_with_tag} && (!%tags || !$tags{$input{only_with_tag}})) {
                   1010:     %tags = %alltags;
                   1011:   }
                   1012:
                   1013:   if (scalar %tags
                   1014:       || $input{only_with_tag}
                   1015:       || $edit_option_form
                   1016:       || defined($input{"options"}))
                   1017:   {
3.177   ! scop     1018:     print "<hr>\n";
3.120     scop     1019:   }
                   1020:
                   1021:   if (scalar %tags || $input{only_with_tag}) {
                   1022:     print "<form method=\"get\" action=\"./\">\n";
                   1023:     foreach my $var (@stickyvars) {
3.154     scop     1024:       printf("<input type=\"hidden\" name=\"$var\" value=\"%s\">\n",
                   1025:              htmlquote($input{$var}))
3.120     scop     1026:         if (defined($input{$var})
                   1027:             && (!defined($DEFAULTVALUE{$var})
                   1028:                 || $input{$var} ne $DEFAULTVALUE{$var})
                   1029:             && $input{$var} ne ""
                   1030:             && $var ne 'only_with_tag');
                   1031:     }
                   1032:     print "<p><label for=\"only_with_tag\" accesskey=\"T\">";
                   1033:     print "Show only files with tag:</label>\n";
                   1034:     print "<select id=\"only_with_tag\" name=\"only_with_tag\"";
                   1035:     print " onchange=\"this.form.submit()\"" if $use_java_script;
                   1036:     print ">";
                   1037:     print "<option value=\"\">All tags / default branch</option>\n";
                   1038:
                   1039:     foreach my $tag (reverse sort { lc $a cmp lc $b } keys %tags) {
3.136     scop     1040:       my $selected =
                   1041:         defined($input{only_with_tag}) && $input{only_with_tag} eq $tag;
                   1042:       printf("<option%s>%s</option>\n",
                   1043:              $selected ? ' selected' : '',
                   1044:              htmlquote($tag));
3.120     scop     1045:     }
                   1046:     print "</select>\n";
                   1047:     print " <label for=\"path\" accesskey=\"P\">";
                   1048:     print "Module path or alias:</label>\n";
                   1049:     printf "<input type=\"text\" id=\"path\" name=\"path\" value=\"%s\" size=\"15\">\n", htmlquote($where);
                   1050:     print "<input type=\"submit\" value=\"Go\" accesskey=\"G\"></p>\n";
                   1051:     print "</form>\n";
                   1052:   }
                   1053:
                   1054:   if ($allow_tar) {
                   1055:     my ($basefile) = ($where =~ m,(?:.*/)?([^/]+),);
                   1056:
                   1057:     if (defined($basefile) && $basefile ne '') {
3.177   ! scop     1058:       print "<hr>\n",
3.120     scop     1059:         "<div align=\"center\">Download this directory in ";
                   1060:
                   1061:       # Mangle the filename so browsers show a reasonable
                   1062:       # filename to download.
                   1063:       print
                   1064:         &link("tarball",
                   1065:               "./$basefile.tar.gz$query" . ($query ? "&" : "?") . "tarball=1");
                   1066:       if ($CMD{zip}) {
                   1067:         print " or ",
                   1068:           &link("zip archive",
                   1069:                 "./$basefile.zip$query" . ($query ? "&" : "?") . "tarball=1");
                   1070:       }
                   1071:       print "</div>\n";
                   1072:     }
                   1073:   }
                   1074:
                   1075:   if ($edit_option_form || defined($input{"options"})) {
                   1076:
                   1077:     my $formwhere = $scriptwhere;
                   1078:     $formwhere =~ s|Attic/?$|| if ($input{'hideattic'});
                   1079:
3.149     scop     1080:     print <<EOF;
                   1081: <form method="get" action="${formwhere}">
                   1082: <input type="hidden" name="copt" value="1">
                   1083: EOF
3.120     scop     1084:     if ($cvstree ne $cvstreedefault) {
                   1085:       print "<input type=\"hidden\" name=\"cvsroot\" value=\"$cvstree\">\n";
                   1086:     }
3.149     scop     1087:     print <<EOF;
                   1088: <center>
                   1089: <table cellpadding="0" cellspacing="0">
                   1090: <tr class="dir-header">
                   1091:  <th style="text-align: center">Preferences</th>
                   1092: </tr>
                   1093: <tr>
                   1094: <td>
                   1095: <label for="sortby" accesskey="F">Sort files by:
                   1096: <select id="sortby" name="sortby">
                   1097: <option value="">File</option>
                   1098: EOF
3.120     scop     1099:     print "<option", $bydate ? " selected" : "",
                   1100:       " value=\"date\">Age</option>\n";
                   1101:     print "<option", $byauthor ? " selected" : "",
                   1102:       " value=\"author\">Author</option>\n"
3.140     scop     1103:         if $show_author;
3.120     scop     1104:     print "<option", $byrev ? " selected" : "",
                   1105:       " value=\"rev\">Revision</option>\n";
                   1106:     print "<option", $bylog ? " selected" : "",
                   1107:       " value=\"log\">Log message</option>\n";
3.140     scop     1108:     print "</select></label>,\n";
                   1109:     print '<label for="ignorecase" accesskey="I">case-insensitive: ';
                   1110:     print "<input id=\"ignorecase\" name=\"ignorecase\" type=\"checkbox\"",
                   1111:       $input{'ignorecase'} ? " checked" : "", " value=\"1\"></label>\n";
                   1112:     print "<label for=\"logsort\" accesskey=\"L\">Sort log by: ";
3.120     scop     1113:     printLogSortSelect(0);
3.140     scop     1114:     print "</label></td>\n</tr>\n";
                   1115:     print "<tr>\n<td><label for=\"f\" accesskey=\"D\">Diff format: ";
3.120     scop     1116:     printDiffSelect(0);
3.140     scop     1117:     print '</label> ';
                   1118:     print '<label for="hideattic" accesskey="A">Hide files in Attic: ';
3.120     scop     1119:     print "<input id=\"hideattic\" name=\"hideattic\" type=\"checkbox\"",
3.149     scop     1120:       $input{'hideattic'} ? ' checked' : '',
                   1121:         " value=\"1\"></label></td>\n</tr>\n";
                   1122:     print "<tr>\n<td><label for=\"ln\" accesskey=\"N\">Show line numbers: ";
                   1123:     print "<input id=\"ln\" name=\"ln\" type=\"checkbox\"",
                   1124:       $input{ln} ? ' checked' : '', " value=\"1\"></label></td>\n</tr>\n";
                   1125:     print <<EOF;
                   1126: <tr>
                   1127:  <td align="center">
                   1128:   <input type="submit" value="Change Options" accesskey="C">
                   1129:  </td>
                   1130: </tr>
                   1131: </table>
                   1132: </center>
                   1133: </form>
                   1134: EOF
3.120     scop     1135:   }
                   1136:   html_footer();
3.80      knu      1137: }
3.1       knu      1138:
                   1139: ###############################
                   1140: # View Files
                   1141: ###############################
3.80      knu      1142: elsif (-f $fullname . ',v') {
3.114     scop     1143:
3.120     scop     1144:   if (forbidden_file($fullname)) {
                   1145:     fatal('403 Forbidden',
                   1146:           'Access forbidden.  This file is mentioned in @ForbiddenFiles');
                   1147:     return;
                   1148:   }
                   1149:
                   1150:   if (defined($input{'rev'}) || $doCheckout) {
                   1151:     &doCheckout($fullname, $input{'rev'});
                   1152:     gzipclose();
                   1153:     exit;
                   1154:   }
                   1155:
                   1156:   if (defined($input{'annotate'}) && $allow_annotate) {
                   1157:     &doAnnotate($input{'annotate'});
                   1158:     gzipclose();
                   1159:     exit;
                   1160:   }
                   1161:
                   1162:   if (defined($input{'r1'}) && defined($input{'r2'})) {
                   1163:     &doDiff($fullname,    $input{'r1'},  $input{'tr1'},
                   1164:             $input{'r2'}, $input{'tr2'}, $input{'f'});
                   1165:     gzipclose();
                   1166:     exit;
                   1167:   }
3.132     scop     1168:
3.170     scop     1169:   if ($allow_cvsgraph && $input{graph}) {
                   1170:     if ($input{makeimage}) {
                   1171:       doGraph();
3.132     scop     1172:     } else {
3.170     scop     1173:       doGraphView();
3.132     scop     1174:     }
                   1175:     gzipclose();
                   1176:     exit;
                   1177:   }
                   1178:
3.120     scop     1179:   &doLog($fullname);
                   1180:
                   1181:   ##############################
                   1182:   # View Diff
                   1183:   ##############################
                   1184: } elsif ($fullname =~ s/\.diff$//
                   1185:          && -f $fullname . ",v"
                   1186:          && $input{'r1'}
                   1187:          && $input{'r2'})
                   1188: {
                   1189:
                   1190:   # $where-diff-removal if 'cvs rdiff' is used
                   1191:   # .. but 'cvs rdiff'doesn't support some options
                   1192:   # rcsdiff does (-w and -p), so it is disabled
                   1193:   # $where =~ s/\.diff$//;
                   1194:
                   1195:   # Allow diffs using the ".diff" extension
                   1196:   # so that browsers that default to the URL
                   1197:   # for a save filename don't save diff's as
                   1198:   # e.g. foo.c
                   1199:   &doDiff($fullname,    $input{'r1'},  $input{'tr1'},
                   1200:           $input{'r2'}, $input{'tr2'}, $input{'f'});
                   1201:   gzipclose();
                   1202:   exit;
                   1203: } elsif (($newname = $fullname) =~ s|/([^/]+)$|/Attic/$1|
                   1204:   && -f $newname . ",v")
                   1205: {
                   1206:
                   1207:   # The file has been removed and is in the Attic.
                   1208:   # Send a redirect pointing to the file in the Attic.
                   1209:   (my $newplace = $scriptwhere) =~ s|/([^/]+)$|/Attic/$1|;
                   1210:   if ($ENV{QUERY_STRING} ne "") {
                   1211:     redirect("${newplace}?$ENV{QUERY_STRING}");
                   1212:   } else {
                   1213:     redirect($newplace);
                   1214:   }
                   1215:   exit;
3.80      knu      1216: } elsif (0 && (my @files = &safeglob($fullname . ",v"))) {
3.120     scop     1217:   http_header("text/plain");
                   1218:   print "You matched the following files:\n";
                   1219:   print join ("\n", @files);
3.80      knu      1220:
3.120     scop     1221:   # Find the tags from each file
                   1222:   # Display a form offering diffs between said tags
3.80      knu      1223: } else {
3.120     scop     1224:   my $fh = do { local (*FH); };
                   1225:   my ($xtra, $module);
3.80      knu      1226:
3.120     scop     1227:   # Assume it's a module name with a potential path following it.
                   1228:   $xtra = (($module = $where) =~ s|/.*||) ? $& : '';
3.80      knu      1229:
3.120     scop     1230:   # Is there an indexed version of modules?
                   1231:   if (open($fh, "< $cvsroot/CVSROOT/modules")) {
                   1232:     while (<$fh>) {
                   1233:       if (/^(\S+)\s+(\S+)/o
                   1234:           && $module eq $1
                   1235:           && -d "$cvsroot/$2"
                   1236:           && $module ne $2)
                   1237:       {
                   1238:         redirect("$scriptname/$2$xtra$query");
                   1239:       }
                   1240:     }
                   1241:   }
                   1242:   fatal("404 Not Found", '%s: no such file or directory', $where);
3.80      knu      1243: }
3.23      knu      1244:
3.25      knu      1245: gzipclose();
3.80      knu      1246:
3.1       knu      1247: ## End MAIN
                   1248:
3.175     scop     1249:
3.120     scop     1250: sub printDiffSelect($)
                   1251: {
                   1252:   my ($use_java_script) = @_;
                   1253:
                   1254:   print '<select id="f" name="f"';
                   1255:   print ' onchange="this.form.submit()"' if $use_java_script;
                   1256:   print ">\n";
                   1257:
3.175     scop     1258:   for my $difftype (@DIFFTYPES) {
3.120     scop     1259:     printf("<option value=\"%s\"%s>%s</option>\n",
3.175     scop     1260:            $difftype, $input{f} eq $difftype ? ' selected' : '',
                   1261:            "\u$DIFFTYPES{$difftype}{descr}");
3.120     scop     1262:   }
                   1263:
                   1264:   print "</select>";
                   1265: }
                   1266:
3.175     scop     1267:
3.168     scop     1268: sub printDiffSelectStickyVars()
                   1269: {
                   1270:   while (my ($key, $val) = each %input) {
                   1271:     next if ($key eq 'f');
                   1272:     next if (defined($DEFAULTVALUE{$key}) && $DEFAULTVALUE{$key} eq $val);
                   1273:     print "<input type=\"hidden\" name=\"", urlencode($key), "\" value=\"",
                   1274:       urlencode($val), "\">\n";
                   1275:   }
                   1276: }
                   1277:
3.175     scop     1278:
3.120     scop     1279: sub printLogSortSelect($)
                   1280: {
                   1281:   my ($use_java_script) = @_;
                   1282:
                   1283:   print '<select id="logsort" name="logsort"';
                   1284:   print ' onchange="this.form.submit()"' if $use_java_script;
                   1285:   print ">\n";
                   1286:
3.175     scop     1287:   for my $sortkey (@LOGSORTKEYS) {
3.120     scop     1288:     printf("<option value=\"%s\"%s>%s</option>\n",
3.175     scop     1289:            $sortkey, $logsort eq $sortkey ? ' selected' : '',
                   1290:            "\u$LOGSORTKEYS{$sortkey}{descr}");
3.120     scop     1291:   }
                   1292:
                   1293:   print "</select>";
                   1294: }
                   1295:
3.175     scop     1296:
3.120     scop     1297: sub findLastModifiedSubdirs(@)
                   1298: {
                   1299:   my (@dirs) = @_;
                   1300:
3.175     scop     1301:   my @files;
                   1302:   foreach my $dirname (@dirs) {
3.120     scop     1303:     next if ($dirname eq ".");
                   1304:     next if ($dirname eq "..");
3.175     scop     1305:     my $dir = "$fullname/$dirname";
3.120     scop     1306:     next if (!-d $dir);
                   1307:
                   1308:     my $dh = do { local (*DH); };
                   1309:     opendir($dh, $dir) or next;
                   1310:     my (@filenames) = readdir($dh);
                   1311:     closedir($dh);
                   1312:
3.175     scop     1313:     my $lastmod     = undef;
                   1314:     my $lastmodtime = undef;
3.120     scop     1315:     foreach my $filename (@filenames) {
                   1316:       $filename = "$dirname/$filename";
                   1317:       my ($file) = "$fullname/$filename";
                   1318:       next if ($filename !~ /,v$/ || !-f $file);
                   1319:
                   1320:       # Skip forbidden files.
                   1321:       (my $f = $file) =~ s/,v$//;
                   1322:       next if forbidden_file($f);
                   1323:
                   1324:       $filename =~ s/,v$//;
                   1325:       my $modtime = -M $file;
                   1326:
                   1327:       if (!defined($lastmod) || $modtime < $lastmodtime) {
                   1328:         $lastmod     = $filename;
                   1329:         $lastmodtime = $modtime;
                   1330:       }
                   1331:     }
3.175     scop     1332:     push(@files, $lastmod) if (defined($lastmod));
3.120     scop     1333:   }
                   1334:   return @files;
                   1335: }
                   1336:
3.175     scop     1337:
3.120     scop     1338: sub htmlify_sub(&$)
                   1339: {
                   1340:   (my $proc, local $_) = @_;
                   1341:   my @a = split (m`(<a [^>]+>[^<]*</a>)`i);
                   1342:   my $linked;
                   1343:   my $result = '';
                   1344:
                   1345:   while (($_, $linked) = splice(@a, 0, 2)) {
                   1346:     &$proc();
                   1347:     $result .= $_      if defined($_);
                   1348:     $result .= $linked if defined($linked);
                   1349:   }
                   1350:
3.175     scop     1351:   return $result;
3.120     scop     1352: }
                   1353:
3.175     scop     1354:
3.120     scop     1355: sub htmlify($;$)
                   1356: {
                   1357:   (local $_, my $extra) = @_;
                   1358:
                   1359:   $_ = htmlquote($_);
                   1360:
                   1361:   # get URL's as link
                   1362:   s{
3.130     scop     1363:     ((https?|ftp)://.+?)([\s\']|&(quot|[lg]t);)
3.120     scop     1364:    }{
3.130     scop     1365:      &link($1, htmlunquote($1)) . $3
3.120     scop     1366:    }egx;
                   1367:
                   1368:   # get e-mails as link
                   1369:   $_ = htmlify_sub {
                   1370:     s<
                   1371:       [\w+=\-.!]+@[\w\-]+(\.[\w\-]+)+
                   1372:      ><
                   1373:        &link($&, "mailto:$&")
                   1374:      >egix;
                   1375:   } $_;
                   1376:
                   1377:   if ($extra) {
                   1378:
                   1379:     # get PR #'s as link: "PR#nnnn" "PR: nnnn, ..." "PR nnnn, ..." "bin/nnnn"
                   1380:     if (defined($prcgi) && defined($re_prkeyword)) {
                   1381:       my $prev;
                   1382:
                   1383:       do {
                   1384:         $prev = $_;
                   1385:
                   1386:         $_ = htmlify_sub {
                   1387:           s{
                   1388:             (\b$re_prkeyword[:\#]?\s*
                   1389:              (?:
                   1390:               \#?
                   1391:               \d+[,\s]\s*
                   1392:              )*
                   1393:              \#?)
                   1394:             (\d+)\b
                   1395:            }{
                   1396:              $1 . &link($2, sprintf($prcgi, $2))
                   1397:            }egix;
                   1398:         } $_;
                   1399:       } while ($_ ne $prev);
                   1400:
                   1401:       if (defined($re_prcategories)) {
                   1402:         $_ = htmlify_sub {
                   1403:           s{
                   1404:             (\b$re_prcategories/(\d+)\b)
                   1405:            }{
                   1406:              &link($1, sprintf($prcgi, $2))
                   1407:            }egox;
                   1408:         } $_;
                   1409:       }
                   1410:     }
                   1411:
                   1412:     # get manpage specs as link: "foo.1" "foo(1)"
                   1413:     if (defined($mancgi)) {
                   1414:       $_ = htmlify_sub {
                   1415:         s{
3.143     knu      1416:           (
                   1417:            \b ( \w[\w+\-.]* (?: ::\w[\w+\-.]*)* )
3.120     scop     1418:            (?:
3.143     knu      1419:             \( ([0-9n]) \) \B
3.120     scop     1420:             |
3.143     knu      1421:             \. ([0-9n]) \b
3.120     scop     1422:            )
                   1423:           )
                   1424:          }{
3.149     scop     1425:             my($text, $name, $section) = ($1, $2, defined($3) ? $3 : $4);
                   1426:             ($name =~ /[A-Za-z]/ && $name !~ /\.(:|$)/)
                   1427:              ? &link($text, sprintf($mancgi, $section, $name))
                   1428:               : $text;
3.120     scop     1429:          }egx;
                   1430:       } $_;
                   1431:     }
                   1432:   }
                   1433:
3.175     scop     1434:   return $_;
3.120     scop     1435: }
                   1436:
3.175     scop     1437:
3.120     scop     1438: sub spacedHtmlText($;$)
                   1439: {
3.175     scop     1440:   (local $_, my $ts) = @_;
                   1441:   $ts ||= $tabstop;
3.120     scop     1442:
                   1443:   # Cut trailing spaces and tabs
                   1444:   s/[ \t]+$//;
                   1445:
                   1446:   if (defined($ts)) {
                   1447:
                   1448:     # Expand tabs
                   1449:     1 while s/\t+/' ' x (length($&) * $ts - length($`) % $ts)/e;
                   1450:   }
                   1451:
                   1452:   # replace <tab> and <space> (\001 is to protect us from htmlify)
                   1453:   # gzip can make excellent use of this repeating pattern :-)
                   1454:   if ($hr_breakable) {
                   1455:
                   1456:     # make every other space 'breakable'
                   1457:     s/  / \001nbsp;/g;    # 2 * <space>
                   1458:                           # leave single space as it is
                   1459:   } else {
                   1460:     s/ /\001nbsp;/g;
                   1461:   }
                   1462:
                   1463:   $_ = htmlify($_, $allow_source_extra);
                   1464:
                   1465:   # unescape
                   1466:   y/\001/&/;
                   1467:
                   1468:   return $_;
                   1469: }
                   1470:
3.175     scop     1471:
3.120     scop     1472: # Note that this doesn't htmlquote the first argument...
                   1473: sub link($$)
                   1474: {
                   1475:   my ($name, $url) = @_;
                   1476:
                   1477:   $url =~ s/:/sprintf("%%%02x", ord($&))/eg
                   1478:     if $url =~ /^[^a-z]/;    # relative
                   1479:
                   1480:   sprintf '<a href="%s">%s</a>', hrefquote($url), $name;
                   1481: }
                   1482:
3.175     scop     1483:
3.120     scop     1484: sub revcmp($$)
                   1485: {
                   1486:   my ($rev1, $rev2) = @_;
                   1487:
                   1488:   # make no comparison for a tag or a branch
                   1489:   return 0 if $rev1 =~ /[^\d.]/ || $rev2 =~ /[^\d.]/;
                   1490:
                   1491:   my (@r1) = split (/\./, $rev1);
                   1492:   my (@r2) = split (/\./, $rev2);
                   1493:   my ($a, $b);
                   1494:
                   1495:   while (($a = shift (@r1)) && ($b = shift (@r2))) {
                   1496:     if ($a != $b) {
                   1497:       return $a <=> $b;
                   1498:     }
                   1499:   }
                   1500:   if (@r1) { return  1; }
                   1501:   if (@r2) { return -1; }
                   1502:   return 0;
                   1503: }
                   1504:
3.175     scop     1505:
3.120     scop     1506: sub fatal($$@)
                   1507: {
                   1508:   my ($errcode, $format, @args) = @_;
                   1509:   if ($is_mod_perl) {
                   1510:     Apache->request->status((split (/ /, $errcode))[0]);
                   1511:   } else {
                   1512:     print "Status: $errcode\r\n";
                   1513:   }
3.131     scop     1514:   html_header('Error');
3.120     scop     1515:   print "<p>Error: ", sprintf($format, map(htmlquote($_), @args)), "</p>\n";
                   1516:   html_footer();
                   1517:   exit(1);
                   1518: }
                   1519:
3.175     scop     1520:
3.120     scop     1521: sub redirect($)
                   1522: {
                   1523:   my ($url) = @_;
                   1524:   if ($is_mod_perl) {
                   1525:     Apache->request->status(301);
                   1526:     Apache->request->header_out(Location => $url);
                   1527:   } else {
                   1528:     print "Status: 301 Moved\r\n";
                   1529:     print "Location: $url\r\n";
                   1530:   }
3.131     scop     1531:   html_header('Moved');
3.120     scop     1532:   print "<p>This document is located ", &link('here', $url), "</p>\n";
                   1533:   html_footer();
                   1534:   exit(1);
                   1535: }
                   1536:
3.175     scop     1537:
3.120     scop     1538: sub safeglob($)
                   1539: {
                   1540:   my ($filename) = @_;
                   1541:
3.175     scop     1542:   (my $dirname = $filename) =~ s|/[^/]+$||;
3.120     scop     1543:   $filename =~ s|.*/||;
                   1544:
3.175     scop     1545:   my @results;
                   1546:   my $dh = do { local (*DH); };
3.120     scop     1547:   if (opendir($dh, $dirname)) {
                   1548:     my $glob = $filename;
                   1549:     my $t;
                   1550:
3.149     scop     1551:     #   transform filename from glob to regex.  Deal with:
                   1552:     #   [, {, ?, * as glob chars
                   1553:     #   make sure to escape all other regex chars
3.120     scop     1554:     $glob =~ s/([\.\(\)\|\+])/\\$1/g;
                   1555:     $glob =~ s/\*/.*/g;
                   1556:     $glob =~ s/\?/./g;
                   1557:     $glob =~ s/{([^}]+)}/($t = $1) =~ s-,-|-g; "($t)"/eg;
                   1558:     foreach (readdir($dh)) {
                   1559:
                   1560:       if (/^${glob}$/) {
                   1561:         push (@results, "$dirname/" . $_);
                   1562:       }
                   1563:     }
                   1564:     closedir($dh);
                   1565:   }
                   1566:
3.175     scop     1567:   return @results;
3.120     scop     1568: }
                   1569:
3.160     scop     1570:
3.120     scop     1571: sub search_path($)
                   1572: {
                   1573:   my ($command) = @_;
3.160     scop     1574:   for my $d (split (/:/, $command_path)) {
3.120     scop     1575:     return "$d/$command" if -x "$d/$command";
                   1576:   }
                   1577:   return '';
                   1578: }
                   1579:
3.156     scop     1580:
                   1581: sub getMimeType($;$)
3.120     scop     1582: {
3.156     scop     1583:   my ($fullname, $binary) = @_;
                   1584:   $binary = ($keywordsubstitution && $keywordsubstitution =~ /b/)
                   1585:     unless defined($binary);
                   1586:
                   1587:   (my $suffix = $fullname) =~ s/^.*\.([^.]*)$/$1/;
                   1588:
                   1589:   my $mimetype = $MTYPES{$suffix};
                   1590:   $mimetype  ||= $MimeTypes->mimeTypeOf($fullname) if defined($MimeTypes);
                   1591:
                   1592:   if (!$mimetype && $suffix ne '*' && -f $mime_types && -r _) {
                   1593:     my $fh = do { local (*FH); };
                   1594:     if (open($fh, $mime_types)) {
                   1595:       my $re = sprintf('^\s*(\S+\/\S+)\s.+\b%s\b', quotemeta($suffix));
                   1596:       while (my $line = <$fh>) {
                   1597:         if ($line =~ $re) {
                   1598:           $mimetype = $1;
                   1599:           $MTYPES{$suffix} = $mimetype;
                   1600:           last;
                   1601:         }
3.120     scop     1602:       }
3.156     scop     1603:       close($fh);
                   1604:     } else {
                   1605:       warn("Can't open MIME types file $mime_types for reading: $!");
3.120     scop     1606:     }
                   1607:   }
                   1608:
3.156     scop     1609:   $mimetype ||= $MTYPES{'*'};
                   1610:   $mimetype ||= $binary ? 'application/octet-stream' : 'text/plain';
3.120     scop     1611:   return $mimetype;
3.1       knu      1612: }
                   1613:
3.156     scop     1614:
3.1       knu      1615: ###############################
3.24      knu      1616: # read first lines like head(1)
                   1617: ###############################
3.120     scop     1618: sub head($;$)
                   1619: {
3.175     scop     1620:   my ($fh, $linecount) = @_;
                   1621:   $linecount ||= 10;
3.24      knu      1622:
3.120     scop     1623:   my @buf;
                   1624:   if ($linecount > 0) {
                   1625:     my $i;
                   1626:     for ($i = 0; !eof($fh) && $i < $linecount; $i++) {
                   1627:       push @buf, scalar <$fh>;
                   1628:     }
                   1629:   } else {
                   1630:     @buf = <$fh>;
                   1631:   }
3.175     scop     1632:   return @buf;
                   1633: }
3.120     scop     1634:
3.24      knu      1635:
                   1636: ###############################
                   1637: # scan vim and Emacs directives
                   1638: ###############################
3.120     scop     1639: sub scan_directives(@)
                   1640: {
                   1641:   my $ts = undef;
3.24      knu      1642:
3.120     scop     1643:   for (@_) {
                   1644:     $ts = $1 if /\b(?:ts|tabstop|tab-width)[:=]\s*([1-9]\d*)\b/;
                   1645:   }
3.24      knu      1646:
3.120     scop     1647:   ('tabstop' => $ts);
3.24      knu      1648: }
                   1649:
3.175     scop     1650:
3.120     scop     1651: sub openOutputFilter()
                   1652: {
3.175     scop     1653:   return unless $output_filter;
3.86      knu      1654:
3.120     scop     1655:   open(STDOUT, "|-") and return;
3.86      knu      1656:
3.120     scop     1657:   # child of child
3.165     scop     1658:   open(STDERR, '>', devnull());
3.120     scop     1659:   exec($output_filter) or exit -1;
3.86      knu      1660: }
                   1661:
3.175     scop     1662:
3.24      knu      1663: ###############################
3.1       knu      1664: # show Annotation
                   1665: ###############################
3.133     scop     1666: sub doAnnotate($)
3.120     scop     1667: {
                   1668:   my ($rev) = @_;
                   1669:
                   1670:   # make sure the revisions are wellformed, for security
                   1671:   # reasons ..
                   1672:   if ($rev =~ /[^\w.]/) {
                   1673:     fatal("404 Not Found", 'Malformed query "%s"', $ENV{QUERY_STRING});
                   1674:   }
                   1675:
3.174     scop     1676:   (my $pathname = $where) =~ s/(Attic\/)?[^\/]*$//;
                   1677:   (my $filename = $where) =~ s/^.*\///;
3.126     scop     1678:
3.174     scop     1679:   # This annotate version is based on the cvs annotate-demo Perl script by
                   1680:   # Cyclic Software.  It was written by Cyclic Software,
                   1681:   # http://www.cyclic.com/, and is in the public domain.
                   1682:   # We could abandon the use of rlog, rcsdiff and co using
                   1683:   # the cvs server in a similiar way one day (..after rewrite).
                   1684:
                   1685:   local (*CVS_IN, *CVS_OUT);
                   1686:   my ($h, $err) =
                   1687:     startproc([ $CMD{cvs}, @annotate_options, 'server' ],
                   1688:               '<pipe', \*CVS_IN, '>pipe', \*CVS_OUT, timeout(30));
                   1689:   fatal('500 Internal Error', $err) unless $h;
3.120     scop     1690:
                   1691:   # OK, first send the request to the server.  A simplified example is:
                   1692:   #     Root /home/kingdon/zwork/cvsroot
                   1693:   #     Argument foo/xx
                   1694:   #     Directory foo
                   1695:   #     /home/kingdon/zwork/cvsroot/foo
                   1696:   #     Directory .
                   1697:   #     /home/kingdon/zwork/cvsroot
                   1698:   #     annotate
                   1699:   # although as you can see there are a few more details.
                   1700:
3.174     scop     1701:   print CVS_IN "Root $cvsroot\n";
                   1702:   print CVS_IN
3.120     scop     1703:     "Valid-responses ok error Valid-requests Checked-in Updated Merged Removed M E\n";
                   1704:
                   1705:   # Don't worry about sending valid-requests, the server just needs to
                   1706:   # support "annotate" and if it doesn't, there isn't anything to be done.
3.174     scop     1707:   print CVS_IN "UseUnchanged\n";
                   1708:   print CVS_IN "Argument -r\n";
                   1709:   print CVS_IN "Argument $rev\n";
                   1710:   print CVS_IN "Argument $where\n";
3.120     scop     1711:
                   1712:   # The protocol requires us to fully fake a working directory (at
                   1713:   # least to the point of including the directories down to the one
                   1714:   # containing the file in question).
3.123     scop     1715:   # So if $where is "dir/sdir/file", then dirs will be ("dir","sdir","file")
                   1716:   my $path = '';
                   1717:   foreach my $dir (split('/', $where)) {
3.120     scop     1718:
                   1719:     if ($path eq "") {
3.123     scop     1720:       # In our example, $dir is "dir".
                   1721:       $path = $dir;
3.120     scop     1722:     } else {
3.174     scop     1723:       print CVS_IN "Directory $path\n";
                   1724:       print CVS_IN "$cvsroot/$path\n";
3.120     scop     1725:
                   1726:       # In our example, $_ is "sdir" and $path becomes "dir/sdir"
                   1727:       # And the next time, "file" and "dir/sdir/file" (which then gets
                   1728:       # ignored, because we don't need to send Directory for the file).
3.123     scop     1729:       $path .= "/$dir";
3.120     scop     1730:     }
                   1731:   }
3.123     scop     1732:   undef $path;
3.120     scop     1733:
                   1734:   # And the last "Directory" before "annotate" is the top level.
3.174     scop     1735:   print CVS_IN "Directory .\n";
                   1736:   print CVS_IN "$cvsroot\n";
3.120     scop     1737:
3.174     scop     1738:   print CVS_IN "annotate\n";
3.120     scop     1739:
                   1740:   # OK, we've sent our command to the server.  Thing to do is to
                   1741:   # close the writer side and get all the responses.  If "cvs server"
                   1742:   # were nicer about buffering, then we could just leave it open, I think.
3.174     scop     1743:   close(CVS_IN) or die "cannot close: $!";
3.120     scop     1744:
3.133     scop     1745:   navigateHeader($scriptwhere, $pathname, $filename, $rev, 'annotate');
3.120     scop     1746:
3.136     scop     1747:   print '<h3 style="text-align: center">Annotation of ',
                   1748:     htmlquote("$pathname$filename"), ", revision $rev</h3>\n";
3.120     scop     1749:
                   1750:   # Ready to get the responses from the server.
                   1751:   # For example:
                   1752:   #     E Annotations for foo/xx
                   1753:   #     E ***************
                   1754:   #     M 1.3          (kingdon  06-Sep-97): hello
                   1755:   #     ok
                   1756:   my ($lineNr) = 0;
                   1757:   my ($oldLrev, $oldLusr) = ("", "");
                   1758:   my ($revprint, $usrprint);
                   1759:
                   1760:   if ($annTable) {
                   1761:     print
                   1762:       "<table style=\"border: none\" cellspacing=\"0\" cellpadding=\"0\">\n";
                   1763:   } else {
                   1764:     print "<pre>";
                   1765:   }
                   1766:
                   1767:   # prefetch several lines
3.174     scop     1768:   my @buf = head(*CVS_OUT);
3.120     scop     1769:
                   1770:   my %d = scan_directives(@buf);
                   1771:
3.174     scop     1772:   while (@buf || !eof(*CVS_OUT)) {
                   1773:     $_ = @buf ? shift @buf : <CVS_OUT>;
3.120     scop     1774:
                   1775:     my @words = split;
                   1776:
                   1777:     # Adding one is for the (single) space which follows $words[0].
                   1778:     my $rest = substr($_, length($words[0]) + 1);
                   1779:     if ($words[0] eq "E") {
                   1780:       next;
                   1781:     } elsif ($words[0] eq "M") {
                   1782:       $lineNr++;
                   1783:       (my $lrev = substr($_, 2,  13)) =~ y/ //d;
                   1784:       (my $lusr = substr($_, 16, 9))  =~ y/ //d;
                   1785:       my $line = substr($_, 36);
                   1786:       my $isCurrentRev = ($rev eq $lrev);
                   1787:
                   1788:       # we should parse the date here ..
                   1789:       if ($lrev eq $oldLrev) {
                   1790:         $revprint = sprintf('%-8s', '');
                   1791:       } else {
                   1792:         $revprint = sprintf('%-8s', $lrev);
                   1793:         $revprint =~ s`\S+`&link($&, "$scriptwhere$query#rev$&")`e;    # `
                   1794:         $oldLusr = '';
                   1795:       }
                   1796:
                   1797:       if ($lusr eq $oldLusr) {
                   1798:         $usrprint = '';
                   1799:       } else {
                   1800:         $usrprint = $lusr;
                   1801:       }
                   1802:       $oldLrev = $lrev;
                   1803:       $oldLusr = $lusr;
                   1804:
                   1805:       # Set bold for text-based browsers only - graphical
                   1806:       # browsers show bold fonts a bit wider than regular fonts,
                   1807:       # so it looks irregular.
                   1808:       print "<b>" if ($isCurrentRev && $is_textbased);
                   1809:
3.136     scop     1810:       $usrprint = sprintf('%-8s', $usrprint);
                   1811:       printf '%s%s %s %4d:', $revprint, $isCurrentRev ? '!' : ' ',
                   1812:         htmlquote($usrprint), $lineNr;
3.120     scop     1813:       print spacedHtmlText($line, $d{'tabstop'});
                   1814:
                   1815:       print "</b>" if ($isCurrentRev && $is_textbased);
                   1816:     } elsif ($words[0] eq "ok") {
                   1817:
                   1818:       # We could complain about any text received after this, like the
                   1819:       # CVS command line client.  But for simplicity, we don't.
                   1820:     } elsif ($words[0] eq "error") {
                   1821:       fatal("500 Internal Error",
                   1822:             'Error occured during annotate: <b>%s</b>', $_);
                   1823:     }
                   1824:   }
                   1825:
                   1826:   if ($annTable) {
                   1827:     print "</table>";
                   1828:   } else {
                   1829:     print "</pre>";
                   1830:   }
3.124     scop     1831:   html_footer();
                   1832:
3.174     scop     1833:   finish($h);
3.1       knu      1834: }
                   1835:
                   1836: ###############################
                   1837: # make Checkout
                   1838: ###############################
3.120     scop     1839: sub doCheckout($$)
                   1840: {
                   1841:   my ($fullname, $rev) = @_;
                   1842:
                   1843:   if ($rev eq 'HEAD' || $rev eq '.') {
                   1844:     $rev = undef;
                   1845:   }
                   1846:
                   1847:   # make sure the revisions a wellformed, for security
                   1848:   # reasons ..
                   1849:   if (defined($rev) && $rev =~ /[^\w.]/) {
                   1850:     fatal("404 Not Found", 'Malformed query "%s"', $ENV{QUERY_STRING});
                   1851:   }
                   1852:
                   1853:   # get mimetype
3.156     scop     1854:   my $mimetype;
3.175     scop     1855:   if (defined($input{"content-type"}) &&
                   1856:       ($input{"content-type"} =~ /\S\/\S/))
3.120     scop     1857:   {
                   1858:     $mimetype = $input{"content-type"};
                   1859:   } else {
3.156     scop     1860:     $mimetype = getMimeType($fullname);
3.120     scop     1861:   }
                   1862:
3.163     scop     1863:   my $moddate = undef;
3.175     scop     1864:   my $revopt;
3.120     scop     1865:   if (defined($rev)) {
                   1866:     $revopt = "-r$rev";
                   1867:     if ($use_moddate) {
                   1868:       readLog($fullname, $rev);
                   1869:       $moddate = $date{$rev};
                   1870:     }
                   1871:   } else {
                   1872:     $revopt = "-rHEAD";
                   1873:     if ($use_moddate) {
                   1874:       readLog($fullname);
                   1875:       $moddate = $date{$symrev{HEAD}};
                   1876:     }
                   1877:   }
                   1878:
3.174     scop     1879:   # Change to temporary directory first to avoid non-readable cgi-bin dirs.
                   1880:   chdir(tmpdir());
                   1881:   # Use abs_path to work around a bug of cvs -p; expand symlinks.
                   1882:   my @cmd = ($CMD{cvs}, @cvs_options,
                   1883:              '-d', abs_path($cvsroot), 'co', '-p', $revopt, $where);
                   1884:   local $^W = 0; # IPC::Run is noisy w/perl 5.8.  Also prevents weird hangs.
                   1885:   local (*CVS_OUT, *CVS_ERR);
                   1886:   my ($h, $err) =
                   1887:     startproc(\@cmd, \"", '>pipe', \*CVS_OUT, '2>pipe', \*CVS_ERR,timeout(30));
                   1888:   fatal('500 Internal Error', $err) unless $h;
3.120     scop     1889:
3.174     scop     1890:   if (eof(CVS_ERR)) {
                   1891:     finish($h);
3.120     scop     1892:     fatal("404 Not Found", '%s is not (any longer) pertinent', $where);
                   1893:   }
                   1894:
                   1895:   #===================================================================
                   1896:   #Checking out squid/src/ftp.c
                   1897:   #RCS:  /usr/src/CVS/squid/src/ftp.c,v
                   1898:   #VERS: 1.1.1.28.6.2
                   1899:   #***************
                   1900:
                   1901:   # Parse CVS header
                   1902:   my ($revision, $filename, $cvsheader);
                   1903:   $filename = "";
3.174     scop     1904:   while (<CVS_ERR>) {
3.120     scop     1905:     last if (/^\*\*\*\*/);
                   1906:     $revision = $1 if (/^VERS: (.*)$/);
                   1907:
                   1908:     if (/^Checking out (.*)$/) {
                   1909:       $filename = $1;
                   1910:       $filename =~ s/^\.\/*//;
                   1911:     }
                   1912:     $cvsheader .= $_;
                   1913:   }
                   1914:
                   1915:   if ($filename ne $where) {
3.174     scop     1916:     finish($h);
3.120     scop     1917:     fatal("500 Internal Error",
                   1918:           'Unexpected output from cvs co: %s', $cvsheader);
                   1919:   }
                   1920:
3.146     scop     1921:   if ($mimetype =~ $CvsWebMarkupRE) {
3.163     scop     1922:     # Here we know the last modified date, but don't know if tags have been
                   1923:     # added since: no last-modified (for now).
3.174     scop     1924:     cvswebMarkup(\*CVS_OUT, $fullname, $revision);
3.120     scop     1925:   } else {
3.163     scop     1926:     http_header($mimetype, $moddate);
3.174     scop     1927:     local $/ = undef;
                   1928:     print <CVS_OUT>;
3.120     scop     1929:   }
3.174     scop     1930:   finish($h);
1.12      fenner   1931: }
                   1932:
3.174     scop     1933:
3.163     scop     1934: sub cvswebMarkup($$$;$)
3.120     scop     1935: {
3.163     scop     1936:   my ($filehandle, $fullname, $revision, $mod) = @_;
3.1       knu      1937:
3.175     scop     1938:   (my $pathname = $where) =~ s/(Attic\/)?[^\/]*$//;
                   1939:   (my $filename = $where) =~ s/^.*\///;
                   1940:   my $fileurl   = urlencode($filename);
                   1941:   my $mimetype  = getMimeType($filename);
3.120     scop     1942:
3.163     scop     1943:   navigateHeader($scriptwhere, $pathname, $filename, $revision, 'view', $mod);
3.120     scop     1944:
3.144     scop     1945:   print <<EOF;
3.177   ! scop     1946: <hr>
3.144     scop     1947: <table width="100%">
                   1948: <tr>
                   1949: <td class="log-markup">File:&nbsp;
                   1950: EOF
3.159     scop     1951:   print &clickablePath($where, 1), ' - (';
3.144     scop     1952:   &download_link($fileurl, $revision, 'download');
3.156     scop     1953:   if ($mimetype ne 'text/plain') {
3.159     scop     1954:     print ' / ';
3.120     scop     1955:     &download_link($fileurl, $revision, "as text", "text/plain");
                   1956:   }
3.159     scop     1957:   print ')';
3.170     scop     1958:   print ' - ', &graph_link('', 'graph') if $allow_cvsgraph;
3.120     scop     1959:   print "<br>\n";
                   1960:
                   1961:   if ($show_log_in_markup) {
                   1962:     readLog($fullname);    #,$revision);
                   1963:     printLog($revision, 0);
                   1964:   } else {
                   1965:     print "Version: <b>$revision</b><br>\n";
                   1966:     print "Tag: <b>", $input{only_with_tag}, "</b><br>\n"
                   1967:       if $input{only_with_tag};
                   1968:   }
3.177   ! scop     1969:   print "</td>\n</tr>\n</table>\n<hr>";
3.120     scop     1970:   my $url = download_url($fileurl, $revision, $mimetype);
                   1971:
                   1972:   if ($mimetype =~ /^image/) {
3.160     scop     1973:     printf '<img src="%s" alt="%s"><br>',
                   1974:       hrefquote("$url$barequery"), htmlquote($filename);
3.120     scop     1975:   } elsif ($mimetype =~ m%^application/pdf%) {
3.157     scop     1976:     printf '<embed src="%s" width="100%%" height="100%%"><br>',
                   1977:       hrefquote("$url$barequery");
3.120     scop     1978:   } elsif ($preformat_in_markup) {
                   1979:     print "<pre>";
                   1980:
                   1981:     # prefetch several lines
                   1982:     my @buf = head($filehandle);
                   1983:
                   1984:     my %d = scan_directives(@buf);
                   1985:
                   1986:     while (@buf || !eof($filehandle)) {
                   1987:       $_ = @buf ? shift @buf : <$filehandle>;
                   1988:
                   1989:       print spacedHtmlText($_, $d{'tabstop'});
                   1990:     }
                   1991:     print "</pre>";
                   1992:   } else {
                   1993:
3.148     scop     1994:     my $enscript_hl = undef;
                   1995:
                   1996:     if ($allow_enscript) {
                   1997:       while (my ($hl, $regex) = each %enscript_types) {
3.149     scop     1998:         if ($filename =~ $regex) {
                   1999:           $enscript_hl = $hl;
                   2000:           last;
                   2001:         }
3.148     scop     2002:       }
                   2003:     }
                   2004:
3.149     scop     2005:     print '<pre>';
3.167     scop     2006:     my $linenumbers = $input{ln} || 0;
3.149     scop     2007:
3.148     scop     2008:     if ($enscript_hl) {
3.167     scop     2009:       doEnscript($filehandle, $enscript_hl, $linenumbers);
3.148     scop     2010:
                   2011:     } else {
3.167     scop     2012:       my $ln = 0;
3.148     scop     2013:       while (<$filehandle>) {
3.167     scop     2014:         if ($linenumbers) {
                   2015:           $ln++;
                   2016:           printf '<a id="l%d" class="src">%5d: </a>', ($ln) x 2;
3.149     scop     2017:         }
                   2018:         print htmlquote($_);
3.148     scop     2019:       }
3.120     scop     2020:     }
3.149     scop     2021:
                   2022:     print "</pre>\n";
3.120     scop     2023:   }
3.131     scop     2024:   html_footer();
3.120     scop     2025: }
                   2026:
3.156     scop     2027:
3.120     scop     2028: sub viewable($)
                   2029: {
3.156     scop     2030:   my $mimetype = shift || '';
                   2031:   return ($allow_markup && $mimetype =~ m%^((text|image)/|application/pdf)%);
                   2032: }
3.120     scop     2033:
3.1       knu      2034:
                   2035: ###############################
                   2036: # Show Colored Diff
                   2037: ###############################
3.120     scop     2038: sub doDiff($$$$$$)
                   2039: {
                   2040:   my ($fullname, $r1, $tr1, $r2, $tr2, $f) = @_;
                   2041:
                   2042:   if (&forbidden_file($fullname)) {
                   2043:     fatal("403 Forbidden",
                   2044:           'Access forbidden.  This file is mentioned in @ForbiddenFiles');
                   2045:   }
                   2046:
3.175     scop     2047:   my ($rev1, $sym1);
3.120     scop     2048:   if ($r1 =~ /([^:]+)(:(.+))?/) {
                   2049:     $rev1 = $1;
                   2050:     $sym1 = $3;
                   2051:   }
                   2052:   if ($r1 eq 'text') {
                   2053:     $rev1 = $tr1;
                   2054:     $sym1 = "";
                   2055:   }
                   2056:
3.175     scop     2057:   my ($rev2, $sym2);
3.120     scop     2058:   if ($r2 =~ /([^:]+)(:(.+))?/) {
                   2059:     $rev2 = $1;
                   2060:     $sym2 = $3;
                   2061:   }
                   2062:   if ($r2 eq 'text') {
                   2063:     $rev2 = $tr2;
                   2064:     $sym2 = "";
                   2065:   }
                   2066:
                   2067:   # make sure the revisions a wellformed, for security
                   2068:   # reasons ..
                   2069:   if ($rev1 =~ /[^\w.]/ || $rev2 =~ /[^\w.]/) {
                   2070:     fatal("404 Not Found", 'Malformed query "%s"', $ENV{QUERY_STRING});
                   2071:   }
                   2072:
                   2073:   #
                   2074:   # rev1 and rev2 are now both numeric revisions.
                   2075:   # Thus we do a DWIM here and swap them if rev1 is after rev2.
                   2076:   # XXX should we warn about the fact that we do this?
                   2077:   if (&revcmp($rev1, $rev2) > 0) {
                   2078:     my ($tmp1, $tmp2) = ($rev1, $sym1);
                   2079:     ($rev1, $sym1) = ($rev2, $sym2);
                   2080:     ($rev2, $sym2) = ($tmp1, $tmp2);
                   2081:   }
                   2082:   my $difftype = $DIFFTYPES{$f};
                   2083:
                   2084:   if (!$difftype) {
                   2085:     fatal("400 Bad arguments", 'Diff format %s not understood', $f);
                   2086:   }
                   2087:
                   2088:   my @difftype       = @{$difftype->{'opts'}};
                   2089:   my $human_readable = $difftype->{'colored'};
                   2090:
                   2091:   # apply special options
                   2092:   if ($showfunc) {
                   2093:     push @difftype, '-p' if $f ne 's';
                   2094:
                   2095:     my ($re1, $re2);
                   2096:
                   2097:     while (($re1, $re2) = each %funcline_regexp) {
                   2098:       if ($fullname =~ /$re1/) {
                   2099:         push @difftype, '-F', $re2;
                   2100:         last;
                   2101:       }
                   2102:     }
                   2103:   }
                   2104:
                   2105:   if ($human_readable) {
                   2106:     if ($hr_ignwhite) {
                   2107:       push @difftype, '-w';
                   2108:     }
                   2109:     if ($hr_ignkeysubst) {
                   2110:       push @difftype, '-kk';
                   2111:     }
                   2112:   }
                   2113:
3.175     scop     2114:   my $fh = do { local (*FH); };
3.120     scop     2115:   if (!open($fh, "-|")) {    # child
                   2116:     open(STDERR, ">&STDOUT");    # Redirect stderr to stdout
                   2117:     openOutputFilter();
3.166     scop     2118:     exec($CMD{rcsdiff}, @rcsdiff_options, @difftype, "-r$rev1", "-r$rev2",
                   2119:          $fullname) or exit -1;
3.120     scop     2120:   }
3.166     scop     2121:
3.120     scop     2122:   if ($human_readable) {
3.168     scop     2123:     #
                   2124:     # Human readable diff.
                   2125:     #
                   2126:     human_readable_diff($fh, $rev2);
                   2127:     html_footer();
                   2128:     gzipclose();
                   2129:     exit;
                   2130:
                   2131:   } elsif ($f =~ /^([ucs])c$/) {
                   2132:     #
                   2133:     # Enscript colored diff.
                   2134:     #
                   2135:     my $hl = 'diff';
                   2136:     $hl .= $1 if ($1 eq 'u' || $1 eq 's');
                   2137:     (my $where_nd = $where)       =~ s/\.diff$//;
                   2138:     (my $pathname = $where_nd)    =~ s|(Attic\/)?[^/]*$||;
                   2139:     (my $filename = $where_nd)    =~ s|^.*/||;
                   2140:     (my $swhere   = $scriptwhere) =~ s|\.diff$||;
                   2141:     navigateHeader($swhere, $pathname, $filename, $rev2, 'diff');
                   2142:     printf(<<EOF, $where_nd, $rev1, $rev2);
                   2143: <h3 style="text-align: center">Diff for /%s between versions %s and %s</h3>
                   2144: <pre>
                   2145: EOF
3.174     scop     2146:     doEnscript(\$fh, $hl, 0);
3.168     scop     2147:     print <<EOF;
                   2148: </pre>
3.177   ! scop     2149: <hr style="width: 100%">
3.168     scop     2150: <form method="get" action="$scriptwhere">
                   2151: EOF
                   2152:     printDiffSelectStickyVars();
                   2153:     print 'Diff format: ';
                   2154:     printDiffSelect($use_java_script);
                   2155:     print "<input type=\"submit\" value=\"Show\">\n</form>\n";
3.120     scop     2156:     html_footer();
                   2157:     gzipclose();
                   2158:     exit;
3.168     scop     2159:
3.120     scop     2160:   } else {
3.168     scop     2161:     #
                   2162:     # Plain diff.
                   2163:     #
3.120     scop     2164:     http_header("text/plain");
                   2165:   }
                   2166:
                   2167:   #
                   2168:   #===================================================================
                   2169:   #RCS file: /home/ncvs/src/sys/netinet/tcp_output.c,v
                   2170:   #retrieving revision 1.16
                   2171:   #retrieving revision 1.17
                   2172:   #diff -c -r1.16 -r1.17
                   2173:   #*** /home/ncvs/src/sys/netinet/tcp_output.c     1995/11/03 22:08:08     1.16
                   2174:   #--- /home/ncvs/src/sys/netinet/tcp_output.c     1995/12/05 17:46:35     1.17
                   2175:   #
                   2176:   # Ideas:
                   2177:   # - nuke the stderr output if it's what we expect it to be
                   2178:   # - Add "no differences found" if the diff command supplied no output.
                   2179:   #
                   2180:   #*** src/sys/netinet/tcp_output.c     1995/11/03 22:08:08     1.16
                   2181:   #--- src/sys/netinet/tcp_output.c     1995/12/05 17:46:35     1.17 RELENG_2_1_0
                   2182:   # (bogus example, but...)
                   2183:   #
3.175     scop     2184:   my ($f1, $f2);
3.120     scop     2185:   if (grep { $_ eq '-u' } @difftype) {
                   2186:     $f1 = '---';
                   2187:     $f2 = '\+\+\+';
                   2188:   } else {
                   2189:     $f1 = '\*\*\*';
                   2190:     $f2 = '---';
                   2191:   }
                   2192:
                   2193:   while (<$fh>) {
                   2194:     if (m|^$f1 $cvsroot|o) {
                   2195:       s|$cvsroot/||o;
                   2196:       if ($sym1) {
                   2197:         chop;
                   2198:         $_ .= " $sym1\n";
                   2199:       }
                   2200:     } elsif (m|^$f2 $cvsroot|o) {
                   2201:       s|$cvsroot/||o;
                   2202:
                   2203:       if ($sym2) {
                   2204:         chop;
                   2205:         $_ .= " $sym2\n";
                   2206:       }
                   2207:     }
                   2208:     print $_;
                   2209:   }
                   2210:   close($fh);
1.12      fenner   2211: }
                   2212:
3.175     scop     2213:
3.1       knu      2214: ###############################
                   2215: # Show Logs ..
                   2216: ###############################
3.120     scop     2217: sub getDirLogs($$@)
                   2218: {
                   2219:   my ($cvsroot, $dirname, @otherFiles) = @_;
3.139     scop     2220:   my $tag = $input{only_with_tag};
                   2221:   my $DirName = "$cvsroot/$where";
3.120     scop     2222:
3.139     scop     2223:   my @files = &safeglob("$DirName/*,v");
                   2224:   push (@files, &safeglob("$DirName/Attic/*,v")) if (!$input{'hideattic'});
3.120     scop     2225:   foreach my $file (@otherFiles) {
                   2226:     push (@files, "$DirName/$file");
                   2227:   }
                   2228:
3.150     scop     2229:   # Weed out unreadable files.
                   2230:   my $i = 0;
                   2231:   my @unreadable = ();
                   2232:   while ($i < scalar(@files)) {
                   2233:     if (-r $files[$i]) {
                   2234:       $i++;
                   2235:     } else {
                   2236:       push(@unreadable, splice(@files, $i, 1));
                   2237:     }
                   2238:   }
                   2239:
3.139     scop     2240:   # If there are no files, we're done.
3.150     scop     2241:   return @unreadable unless @files;
3.120     scop     2242:
3.139     scop     2243:   my @cmd = ($CMD{rlog});
                   2244:   # Can't use -r<tag> as '-' is allowed in tagnames,
                   2245:   # but misinterpreted by rlog.
                   2246:   push(@cmd, '-r') unless defined($tag);
3.120     scop     2247:
3.139     scop     2248:   my $fh = do { local (*FH); };
                   2249:   if (!open($fh, '-|')) {            # Child
3.165     scop     2250:     open(STDERR, '>', devnull());    # Ignore rlog's complaints.
3.139     scop     2251:     openOutputFilter();
                   2252:     if ($file_list_len && $file_list_len > 1) {
                   2253:       while (scalar(@files) > $file_list_len) {  # Process files in chunks.
                   2254:         system(@cmd, splice(@files, 0, $file_list_len)) == 0 or exit -1;
                   2255:       }
3.120     scop     2256:     }
3.139     scop     2257:     exec(@cmd, @files) or exit -1;
                   2258:   }
                   2259:   undef @cmd;
3.120     scop     2260:
3.139     scop     2261:   my $state = 'start';
                   2262:   my ($date, $branchpoint, $branch, $log, @filetags);
3.152     scop     2263:   my ($rev, $revision, $revwanted, $filename, $head, $author, $keywordsubst);
3.120     scop     2264:
                   2265:   while (<$fh>) {
                   2266:     if ($state eq "start") {
                   2267:
                   2268:       #Next file. Initialize file variables
                   2269:       $rev         = '';
                   2270:       $revwanted   = '';
                   2271:       $branch      = '';
                   2272:       $branchpoint = '';
                   2273:       $filename    = '';
                   2274:       $log         = '';
                   2275:       $revision    = '';
                   2276:       %symrev      = ();
                   2277:       @filetags    = ();
3.152     scop     2278:       $keywordsubst= '';
3.120     scop     2279:
                   2280:       #jump to head state
                   2281:       $state = "head";
                   2282:     }
3.144     scop     2283:
3.120     scop     2284:     again:
                   2285:
                   2286:     if ($state eq "head") {
                   2287:
                   2288:       #$rcsfile = $1 if (/^RCS file: (.+)$/); #not used (yet)
                   2289:
                   2290:       if (/^Working file: (.+)$/) {
                   2291:         $filename = $1;
                   2292:       } elsif (/^head: (.+)$/) {
                   2293:         $head = $1;
                   2294:       } elsif (/^branch: (.+)$/) {
                   2295:         $branch = $1;
3.152     scop     2296:       } elsif (/^keyword substitution: (.+)$/) {
                   2297:         $keywordsubst = $1;
3.120     scop     2298:       } elsif (/^symbolic names:/) {
                   2299:         $state = "tags";
                   2300:         ($branch = $head) =~ s/\.\d+$//
                   2301:           if $branch eq '';
                   2302:         $branch =~ s/(\d+)$/0.$1/;
                   2303:         $symrev{MAIN}  = $branch;
                   2304:         $symrev{HEAD}  = $branch;
                   2305:         $alltags{MAIN} = 1;
                   2306:         $alltags{HEAD} = 1;
                   2307:         push (@filetags, "MAIN", "HEAD");
                   2308:       } elsif (/$LOG_REVSEPARATOR/o) {
                   2309:         $state = "log";
                   2310:         $rev   = '';
                   2311:         $date  = '';
                   2312:         $log   = '';
                   2313:
                   2314:         # Try to reconstruct the relative filename if RCS spits out a full path
                   2315:         $filename =~ s%^\Q$DirName\E/%%;
                   2316:       }
                   2317:       next;
                   2318:     }
                   2319:
                   2320:     if ($state eq "tags") {
                   2321:       if (/^\s+([^:]+):\s+([\d\.]+)\s*$/) {
                   2322:         push (@filetags, $1);
                   2323:         $symrev{$1}  = $2;
                   2324:         $alltags{$1} = 1;
                   2325:         next;
                   2326:       } elsif (/^\S/) {
                   2327:
                   2328:         if (defined($tag)) {
                   2329:           if (defined($symrev{$tag}) || $tag eq "HEAD") {
                   2330:             $revwanted    = $symrev{$tag eq "HEAD" ? "MAIN" : $tag};
                   2331:             ($branch      = $revwanted) =~ s/\b0\.//;
                   2332:             ($branchpoint = $branch)    =~ s/\.?\d+$//;
                   2333:             $revwanted    = '' if ($revwanted ne $branch);
                   2334:           } elsif ($tag ne "HEAD") {
                   2335:             $state = "skip";
                   2336:             next;
                   2337:           }
                   2338:         }
                   2339:
                   2340:         foreach my $tagfound (@filetags) {
                   2341:           $tags{$tagfound} = 1;
                   2342:         }
                   2343:         $state = "head";
                   2344:         goto again;
                   2345:       }
                   2346:     }
                   2347:
                   2348:     if ($state eq "log") {
                   2349:       if (/$LOG_REVSEPARATOR/o || /$LOG_FILESEPARATOR/o) {
                   2350:
                   2351:         # End of a log entry.
                   2352:         my $revbranch = $rev;
                   2353:         $revbranch =~ s/\.\d+$//;
                   2354:
                   2355:         if ($revwanted eq '' && $branch ne '' && $branch eq $revbranch
                   2356:             || !defined($tag))
                   2357:         {
                   2358:           $revwanted = $rev;
                   2359:         }
                   2360:
                   2361:         if ($revwanted ne ''
                   2362:             ? $rev eq $revwanted
                   2363:             : $branchpoint ne ''
                   2364:               ? $rev eq $branchpoint
                   2365:               : 0
                   2366:             && ($rev eq $head))
                   2367:         {    # Don't think head is needed here..
3.152     scop     2368:           my @finfo = ($rev, $date, $log, $author, $filename, $keywordsubst);
                   2369:           (my $name = $filename) =~ s%/.*%%;
3.120     scop     2370:           $fileinfo{$name} = [@finfo];
                   2371:           $state = "done" if ($rev eq $revwanted);
                   2372:         }
                   2373:         $rev  = '';
                   2374:         $date = '';
                   2375:         $log  = '';
                   2376:       } elsif ($date eq ''
                   2377:                && m|^date:\s+(\d+)/(\d+)/(\d+)\s+(\d+):(\d+):(\d+);|)
                   2378:       {
3.172     scop     2379:         my $yr    = $1;
                   2380:         $yr      -= 1900 if ($yr > 100); # Damn 2-digit year routines :-)
                   2381:         $date     = timegm($6, $5, $4, $3, $2 - 1, $yr);
3.120     scop     2382:         ($author) = /author: ([^;]+)/;
3.172     scop     2383:         $state    = 'log';
                   2384:         $log      = '';
3.120     scop     2385:         next;
                   2386:       } elsif ($rev eq '' && /^revision (\d+(?:\.\d+)+).*$/) {
                   2387:         $rev = $1;    # .*$ eats up the locker(lockers?) info, if any
                   2388:         next;
                   2389:       } else {
                   2390:         $log .= $_;
                   2391:       }
                   2392:     }
                   2393:
                   2394:     if (/$LOG_FILESEPARATOR/o) {
                   2395:       $state = "start";
                   2396:       next;
                   2397:     }
                   2398:   }
                   2399:
3.139     scop     2400:   my $linesread = $. || 0;
                   2401:   close($fh);
                   2402:
                   2403:   if ($linesread == 0) {
3.137     scop     2404:     fatal('500 Internal Error',
                   2405:           'Failed to spawn GNU rlog on <em>"%s"</em>.<br><br>Did you set the <b><code>$command_path</code></b> in your configuration file correctly? (Currently: "<code>%s</code>")',
3.150     scop     2406:           htmlquote(join(', ', @files)), $command_path);
3.120     scop     2407:   }
3.150     scop     2408:
                   2409:   return @unreadable;
3.120     scop     2410: }
                   2411:
3.175     scop     2412:
3.120     scop     2413: sub readLog($;$)
                   2414: {
                   2415:   my ($fullname, $revision) = @_;
                   2416:   my ($symnames, $head, $rev, $br, $brp, $branch, $branchrev);
                   2417:
3.144     scop     2418:   $revision = defined($revision) ? "-r$revision" : '';
3.120     scop     2419:
                   2420:   undef %symrev;
                   2421:   undef %revsym;
                   2422:   undef @allrevisions;
                   2423:   undef %date;
                   2424:   undef %author;
                   2425:   undef %state;
                   2426:   undef %difflines;
                   2427:   undef %log;
3.152     scop     2428:   $keywordsubstitution = '';
3.120     scop     2429:
3.175     scop     2430:   my $fh = do { local (*FH); };
3.120     scop     2431:   if (!open($fh, "-|")) {    # child
                   2432:     if ($revision ne '') {
                   2433:       openOutputFilter();
                   2434:       exec($CMD{rlog}, $revision, $fullname) or exit -1;
                   2435:     } else {
                   2436:       openOutputFilter();
                   2437:       exec($CMD{rlog}, $fullname) or exit -1;
                   2438:     }
                   2439:   }
                   2440:
                   2441:   while (<$fh>) {
                   2442:     if ($symnames) {
                   2443:       if (/^\s+([^:]+):\s+([\d\.]+)/) {
                   2444:         $symrev{$1} = $2;
3.152     scop     2445:         next;
3.120     scop     2446:       } else {
                   2447:         $symnames = 0;
                   2448:       }
3.152     scop     2449:     }
                   2450:     if (/^head:\s+([\d\.]+)/) {
3.120     scop     2451:       $head = $1;
                   2452:     } elsif (/^branch:\s+([\d\.]+)/) {
                   2453:       $curbranch = $1;
                   2454:     } elsif (/^symbolic names/) {
                   2455:       $symnames = 1;
3.152     scop     2456:     } elsif (/^keyword substitution: (.+)$/) {
                   2457:       $keywordsubstitution = $1;
3.120     scop     2458:     } elsif (/^-----/) {
                   2459:       last;
                   2460:     }
                   2461:   }
                   2462:   ($curbranch = $head) =~ s/\.\d+$// if (!defined($curbranch));
                   2463:
                   2464:   # each log entry is of the form:
                   2465:   # ----------------------------
                   2466:   # revision 3.7.1.1
                   2467:   # date: 1995/11/29 22:15:52;  author: fenner;  state: Exp;  lines: +5 -3
                   2468:   # log info
                   2469:   # ----------------------------
                   2470:
                   2471:   # For a locked revision, the first line after the separator
                   2472:   # becomes smth like
3.149     scop     2473:   # revision 9.19       locked by: vassilii;
3.120     scop     2474:
                   2475:   logentry:
                   2476:
                   2477:   while (!/$LOG_FILESEPARATOR/o) {
                   2478:     $_ = <$fh>;
                   2479:     last logentry if (!defined($_));    # EOF
                   2480:     if (/^revision (\d+(?:\.\d+)+)/) {
                   2481:       $rev = $1;
                   2482:       unshift (@allrevisions, $rev);
                   2483:     } elsif (/$LOG_FILESEPARATOR/o || /$LOG_REVSEPARATOR/o) {
                   2484:       next logentry;
                   2485:     } else {
                   2486:
                   2487:       # The rlog output is syntactically ambiguous.  We must
                   2488:       # have guessed wrong about where the end of the last log
                   2489:       # message was.
                   2490:       # Since this is likely to happen when people put rlog output
                   2491:       # in their commit messages, don't even bother keeping
                   2492:       # these lines since we don't know what revision they go with
                   2493:       # any more.
                   2494:       next logentry;
                   2495:     }
                   2496:     $_ = <$fh>;
                   2497:     if (
                   2498:       m|^date:\s+(\d+)/(\d+)/(\d+)\s+(\d+):(\d+):(\d+);\s+author:\s+(\S+);\s+state:\s+(\S+);\s+(lines:\s+([0-9\s+-]+))?|
                   2499:       )
                   2500:     {
3.172     scop     2501:       my $yr           = $1;
                   2502:       $yr             -= 1900 if ($yr > 100); # Damn 2-digit year routines :-)
                   2503:       $date{$rev}      = timegm($6, $5, $4, $3, $2 - 1, $yr);
3.120     scop     2504:       $author{$rev}    = $7;
                   2505:       $state{$rev}     = $8;
                   2506:       $difflines{$rev} = $10;
                   2507:     } else {
                   2508:       fatal("500 Internal Error", 'Error parsing RCS output: %s', $_);
                   2509:     }
                   2510:
                   2511:   line:
                   2512:     while (<$fh>) {
                   2513:       next line if (/^branches:\s/);
                   2514:       last line if (/$LOG_FILESEPARATOR/o || /$LOG_REVSEPARATOR/o);
                   2515:       $log{$rev} .= $_;
                   2516:     }
                   2517:   }
                   2518:   close($fh);
                   2519:
                   2520:   @revorder = reverse sort { revcmp($a, $b) } @allrevisions;
                   2521:
                   2522:   #
                   2523:   # HEAD is an artificial tag which is simply the highest tag number on the main
                   2524:   # branch, unless there is a branch tag in the RCS file in which case it's the
                   2525:   # highest revision on that branch.  Find it by looking through @revorder; it
                   2526:   # is the first commit listed on the appropriate branch.
                   2527:   # This is not neccesary the same revision as marked as head in the RCS file.
                   2528:   my $headrev = $curbranch || "1";
                   2529:   ($symrev{"MAIN"} = $headrev) =~ s/(\d+)$/0.$1/;
                   2530:
                   2531:   foreach $rev (@revorder) {
                   2532:     if ($rev =~ /^(\S*)\.\d+$/ && $headrev eq $1) {
                   2533:       $symrev{"HEAD"} = $rev;
                   2534:       last;
                   2535:     }
                   2536:   }
                   2537:   ($symrev{"HEAD"} = $headrev) =~ s/\.\d+$//
                   2538:     if (!defined($symrev{"HEAD"}));
                   2539:
                   2540:   #
                   2541:   # Now that we know all of the revision numbers, we can associate
                   2542:   # absolute revision numbers with all of the symbolic names, and
                   2543:   # pass them to the form so that the same association doesn't have
                   2544:   # to be built then.
                   2545:   #
                   2546:   undef @branchnames;
                   2547:   undef %branchpoint;
                   2548:   undef $sel;
                   2549:
                   2550:   foreach (reverse sort keys %symrev) {
                   2551:     $rev = $symrev{$_};
                   2552:     if ($rev =~ /^((.*)\.)?\b0\.(\d+)$/) {
                   2553:       push (@branchnames, $_);
                   2554:
                   2555:       #
                   2556:       # A revision number of A.B.0.D really translates into
                   2557:       # "the highest current revision on branch A.B.D".
                   2558:       #
                   2559:       # If there is no branch A.B.D, then it translates into
                   2560:       # the head A.B .
                   2561:       #
                   2562:       # This reasoning also applies to the main branch A.B,
                   2563:       # with the branch number 0.A, with the exception that
                   2564:       # it has no head to translate to if there is nothing on
                   2565:       # the branch, but I guess this can never happen?
                   2566:       #
                   2567:       # (the code below gracefully forgets about the branch
                   2568:       # if it should happen)
                   2569:       #
                   2570:       $head = defined($2) ? $2 : "";
                   2571:       $branch = $3;
                   2572:       $branchrev = $head . ($head ne "" ? "." : "") . $branch;
                   2573:       my $regex;
                   2574:       $regex = quotemeta $branchrev;
                   2575:       $rev   = $head;
                   2576:
                   2577:       foreach my $r (@revorder) {
                   2578:         if ($r =~ /^${regex}\b/) {
                   2579:           $rev = $branchrev;
                   2580:           last;
                   2581:         }
                   2582:       }
                   2583:       next if ($rev eq "");
                   2584:
                   2585:       if ($rev ne $head && $head ne "") {
3.131     scop     2586:         $branchpoint{$head} .= ', ' if ($branchpoint{$head});
3.120     scop     2587:         $branchpoint{$head} .= $_;
                   2588:       }
                   2589:     }
                   2590:     $revsym{$rev} .= ", " if ($revsym{$rev});
                   2591:     $revsym{$rev} .= $_;
3.136     scop     2592:     $sel .= sprintf("<option value=\"%s:%s\">%s</option>\n",
                   2593:                     htmlquote($rev), (htmlquote($_)) x 2);
3.120     scop     2594:   }
                   2595:
                   2596:   my ($onlyonbranch, $onlybranchpoint);
                   2597:   if ($onlyonbranch = $input{'only_with_tag'}) {
                   2598:     $onlyonbranch = $symrev{$onlyonbranch};
                   2599:     if ($onlyonbranch =~ s/\b0\.//) {
                   2600:       ($onlybranchpoint = $onlyonbranch) =~ s/\.\d+$//;
                   2601:     } else {
                   2602:       $onlybranchpoint = $onlyonbranch;
                   2603:     }
                   2604:
                   2605:     if (!defined($onlyonbranch) || $onlybranchpoint eq "") {
                   2606:       fatal("404 Tag not found", 'Tag %s not defined',
3.131     scop     2607:             $input{'only_with_tag'});
3.120     scop     2608:     }
                   2609:   }
                   2610:
                   2611:   undef @revisions;
                   2612:
                   2613:   foreach (@allrevisions) {
                   2614:     ($br  = $_)  =~ s/\.\d+$//;
                   2615:     ($brp = $br) =~ s/\.\d+$//;
                   2616:     next if ($onlyonbranch
                   2617:              && $br ne $onlyonbranch
                   2618:              && $_  ne $onlybranchpoint);
                   2619:     unshift (@revisions, $_);
                   2620:   }
                   2621:
                   2622:   if ($logsort eq "date") {
                   2623:
                   2624:     # Sort the revisions in commit order an secondary sort on revision
                   2625:     # (secondary sort needed for imported sources, or the first main
                   2626:     # revision gets before the same revision on the 1.1.1 branch)
                   2627:     @revdisplayorder =
                   2628:       sort { $date{$b} <=> $date{$a} || -revcmp($a, $b) } @revisions;
                   2629:   } elsif ($logsort eq "rev") {
                   2630:
                   2631:     # Sort the revisions in revision order, highest first
                   2632:     @revdisplayorder = reverse sort { revcmp($a, $b) } @revisions;
                   2633:   } else {
                   2634:
                   2635:     # No sorting. Present in the same order as rlog / cvs log
                   2636:     @revdisplayorder = @revisions;
                   2637:   }
                   2638:
                   2639: }
                   2640:
3.175     scop     2641:
3.120     scop     2642: sub printDiffLinks($$)
                   2643: {
                   2644:   my ($text, $url) = @_;
                   2645:   my @extra;
3.175     scop     2646:   for my $difftype ($DIFFTYPES{$defaultDiffType}{colored} ? qw(u) : qw(h)) {
                   2647:     my $f = $difftype eq $defaultDiffType ? '' : $difftype;
                   2648:     push(@extra, &link(lc($DIFFTYPES{$difftype}{descr}), "$url&f=$f"));
3.120     scop     2649:   }
                   2650:   print &link($text, $url), ' (', join (', ', @extra), ')';
                   2651: }
                   2652:
3.175     scop     2653:
3.120     scop     2654: sub printLog($;$)
                   2655: {
3.175     scop     2656:   ($_, my $link) = @_;
                   2657:   (my $br  = $_)  =~ s/\.\d+$//;
                   2658:   (my $brp = $br) =~ s/\.?\d+$//;
3.120     scop     2659:
                   2660:   $link = 1 if (!defined($link));
3.131     scop     2661:   my $isDead = ($state{$_} eq 'dead');
                   2662:   my $isSelected = (defined($input{'r1'}) && $input{'r1'} eq $_);
3.120     scop     2663:
3.131     scop     2664:   print "<div class=\"diff-selected\">\n" if $isSelected;
3.120     scop     2665:   print "<p>\n";
3.131     scop     2666:
3.120     scop     2667:   if ($link && !$isDead) {
3.156     scop     2668:     (my $filename = $where) =~ s/^.*\///;
                   2669:     my $fileurl   = urlencode($filename);
                   2670:     my $mimetype  = getMimeType($filename);
                   2671:     my $viewable  = viewable($mimetype);
                   2672:
3.120     scop     2673:     print "<a name=\"rev$_\"></a>";
                   2674:
                   2675:     if (defined($revsym{$_})) {
                   2676:       foreach my $sym (split (", ", $revsym{$_})) {
3.136     scop     2677:         print '<a name="', hrefquote($sym), '"></a>';
3.120     scop     2678:       }
                   2679:     }
                   2680:
                   2681:     if (defined($revsym{$br})
                   2682:         && $revsym{$br}
                   2683:         && !defined($nameprinted{$br}))
                   2684:     {
                   2685:       foreach my $sym (split (", ", $revsym{$br})) {
3.136     scop     2686:         print '<a name="', hrefquote($sym), '"></a>';
3.120     scop     2687:       }
                   2688:       $nameprinted{$br} = 1;
                   2689:     }
                   2690:     print "\n Revision ";
                   2691:     &download_link($fileurl, $_, $_,
3.156     scop     2692:                    $viewable ? 'text/x-cvsweb-markup' : undef);
3.120     scop     2693:
3.161     scop     2694:     print ' / (';
                   2695:
3.156     scop     2696:     if ($viewable) {
3.120     scop     2697:       &download_link($fileurl, $_, "download", $mimetype);
                   2698:     }
                   2699:
3.156     scop     2700:     if ($mimetype ne 'text/plain') {
3.161     scop     2701:       print ' / ' if $viewable;
3.120     scop     2702:       &download_link($fileurl, $_, "as text", "text/plain");
                   2703:     }
                   2704:
3.156     scop     2705:     if (!$viewable) {
3.161     scop     2706:       print ' / ' if ($mimetype ne 'text/plain');
3.120     scop     2707:       &download_link($fileurl, $_, "view", "text/x-cvsweb-markup");
                   2708:     }
3.161     scop     2709:
                   2710:     print ')';
3.120     scop     2711:
                   2712:     if ($allow_annotate) {
                   2713:       print " - ";
                   2714:       print &link('annotate',
                   2715:                   sprintf('%s/%s?annotate=%s%s',
                   2716:                           $scriptname, urlencode($where), $_, $barequery));
                   2717:     }
                   2718:
                   2719:     # Plus a select link if enabled, and this version isn't selected
                   2720:     if ($allow_version_select) {
3.131     scop     2721:       print ' - ';
                   2722:       if ($isSelected) {
                   2723:         print '<b>[selected]</b>';
3.120     scop     2724:       } else {
3.159     scop     2725:         print &link('select&nbsp;for&nbsp;diffs',
3.131     scop     2726:                     sprintf('%s?r1=%s%s#rev%s',
                   2727:                             $scriptwhere, $_, $barequery, $_));
3.120     scop     2728:       }
                   2729:     }
                   2730:   } else {
                   2731:     print "Revision <b>$_</b>";
                   2732:   }
                   2733:
                   2734:   if (/^1\.1\.1\.\d+$/) {
                   2735:     print " <i>(vendor branch)</i>";
                   2736:   }
                   2737:   if (defined @mytz) {
                   2738:     my ($est) = $mytz[(localtime($date{$_}))[8]];
                   2739:     print ", <i>", scalar localtime($date{$_}), " $est</i> (";
                   2740:   } else {
                   2741:     print ", <i>", scalar gmtime($date{$_}), " UTC</i> (";
                   2742:   }
3.136     scop     2743:   print readableTime(time() - $date{$_}, 1), ' ago)';
                   2744:   print ' by <i>', htmlquote($author{$_}), "</i>\n";
                   2745:
                   2746:   if ($revsym{$br}) {
                   2747:     printf "<br>Branch: <b>%s</b>\n",
                   2748:       $link ? link_tags($revsym{$br}) : htmlquote($revsym{$br});
                   2749:   }
                   2750:   if ($revsym{$_}) {
                   2751:     printf "<br>CVS Tags: <b>%s</b>\n",
                   2752:       $link ? link_tags($revsym{$_}) : htmlquote($revsym{$_});
                   2753:   }
                   2754:   if ($branchpoint{$_}) {
                   2755:     printf "<br>Branch point for: <b>%s</b>\n",
                   2756:       $link ? link_tags($branchpoint{$_}) : htmlquote($branchpoint{$_});
                   2757:   }
3.120     scop     2758:
                   2759:   # Find the previous revision
3.175     scop     2760:   my $prev;
3.120     scop     2761:   my @prevrev = split (/\./, $_);
                   2762:   do {
                   2763:     if (--$prevrev[$#prevrev] <= 0) {
                   2764:
                   2765:       # If it was X.Y.Z.1, just make it X.Y
                   2766:       pop (@prevrev);
                   2767:       pop (@prevrev);
                   2768:     }
                   2769:     $prev = join (".", @prevrev);
                   2770:   } until (defined($date{$prev}) || $prev eq "");
                   2771:
                   2772:   if ($prev ne "") {
                   2773:     if ($difflines{$_}) {
                   2774:       print "<br>Changes since <b>$prev: $difflines{$_} lines</b>";
                   2775:     }
                   2776:   }
                   2777:
                   2778:   if ($isDead) {
                   2779:     print "<br><b><i>FILE REMOVED</i></b>\n";
                   2780:   } elsif ($link) {
                   2781:     my %diffrev = ();
                   2782:     $diffrev{$_} = 1;
                   2783:     $diffrev{""} = 1;
                   2784:     print '<br>';
                   2785:     my $diff = 'Diff';
                   2786:
                   2787:     #
                   2788:     # Offer diff to previous revision
                   2789:     if ($prev) {
                   2790:       $diffrev{$prev} = 1;
                   2791:
                   2792:       my $url =
                   2793:         sprintf('%s.diff?r1=%s&r2=%s%s', $scriptwhere, $prev, $_, $barequery);
                   2794:
                   2795:       print $diff, " to previous ";
                   2796:       $diff = '';
                   2797:       printDiffLinks($prev, $url);
                   2798:     }
                   2799:
                   2800:     #
                   2801:     # Plus, if it's on a branch, and it's not a vendor branch,
                   2802:     # offer a diff with the branch point.
                   2803:     if ($revsym{$brp}
                   2804:       && !/^1\.1\.1\.\d+$/
                   2805:       && !defined($diffrev{$brp}))
                   2806:     {
                   2807:       my $url =
                   2808:         sprintf('%s.diff?r1=%s&r2=%s%s', $scriptwhere, $brp, $_, $barequery);
                   2809:
                   2810:       print $diff, " to branchpoint ";
                   2811:       $diff = '';
                   2812:       printDiffLinks($brp, $url);
                   2813:     }
                   2814:
                   2815:     #
                   2816:     # Plus, if it's on a branch, and it's not a vendor branch,
                   2817:     # offer to diff with the next revision of the higher branch.
                   2818:     # (e.g. change gets committed and then brought
                   2819:     # over to -stable)
                   2820:     if (/^\d+\.\d+\.\d+/ && !/^1\.1\.1\.\d+$/) {
                   2821:       my ($i, $nextmain);
                   2822:
                   2823:       for ($i = 0; $i < $#revorder && $revorder[$i] ne $_; $i++) {
                   2824:       }
                   2825:       my @tmp2 = split (/\./, $_);
                   2826:       for ($nextmain = ""; $i > 0; $i--) {
                   2827:         my $next = $revorder[$i - 1];
                   2828:         my @tmp1 = split (/\./, $next);
                   2829:
                   2830:         if (@tmp1 < @tmp2) {
                   2831:           $nextmain = $next;
                   2832:           last;
                   2833:         }
                   2834:
                   2835:         # Only the highest version on a branch should have
                   2836:         # a diff for the "next main".
                   2837:         last
                   2838:           if (@tmp1 - 1 <= @tmp2
                   2839:           && join (".", @tmp1[0 .. $#tmp1 - 1]) eq
                   2840:           join (".", @tmp2[0 .. $#tmp1 - 1]));
                   2841:       }
                   2842:
                   2843:       if (!defined($diffrev{$nextmain})) {
                   2844:         $diffrev{$nextmain} = 1;
                   2845:
                   2846:         my $url = sprintf('%s.diff?r1=%s&r2=%s%s',
                   2847:           $scriptwhere, $nextmain, $_, $barequery);
                   2848:
                   2849:         print $diff, " next main ";
                   2850:         $diff = '';
                   2851:         printDiffLinks($nextmain, $url);
                   2852:       }
                   2853:     }
                   2854:
                   2855:     # Plus if user has selected only r1, then present a link
                   2856:     # to make a diff to that revision
                   2857:     if (defined($input{"r1"}) && !defined($diffrev{$input{"r1"}})) {
                   2858:       $diffrev{$input{"r1"}} = 1;
                   2859:
                   2860:       my $url = sprintf('%s.diff?r1=%s&r2=%s%s',
                   2861:         $scriptwhere, $input{'r1'}, $_, $barequery);
                   2862:
                   2863:       print $diff, " to selected ";
                   2864:       $diff = '';
                   2865:       printDiffLinks($input{'r1'}, $url);
                   2866:     }
                   2867:
                   2868:   }
3.173     scop     2869:   print "\n</p>\n<pre class=\"log\">\n";
3.120     scop     2870:   print &htmlify($log{$_}, $allow_log_extra);
                   2871:   print "</pre>\n";
3.131     scop     2872:   print "</div>\n" if $isSelected;
3.120     scop     2873: }
                   2874:
3.175     scop     2875:
3.132     scop     2876: #
                   2877: # Generates the HTML view for CvsGraph.
                   2878: #
3.170     scop     2879: sub doGraphView()
3.132     scop     2880: {
                   2881:   (my $pathname = $where) =~ s|[^/]*$||;
                   2882:   (my $filename = $where) =~ s|^.*/||;
                   2883:
3.170     scop     2884:   navigateHeader($scriptwhere, $pathname, $filename, undef, 'graph');
3.132     scop     2885:
3.146     scop     2886:   my $title = 'Revision graph of ' . htmlquote($pathname . $filename);
3.132     scop     2887:   my $mapname = 'CvsGraphMap';
3.156     scop     2888:   my $ctype = viewable(getMimeType($filename)) ?
                   2889:     '&amp;content-type=text/x-cvsweb-markup' : '';
3.132     scop     2890:
3.170     scop     2891:   printf(<<EOF, $title, $mapname, $cvstree, $title);
3.146     scop     2892: <h3 style="text-align: center">%s</h3>
3.170     scop     2893: <div align="center"><img border="0" usemap="#%s" src="?cvsroot=%s&amp;graph=1&amp;makeimage=1" alt="%s"></div>
3.146     scop     2894: EOF
3.132     scop     2895:
3.135     scop     2896:   my @graph_cmd =
                   2897:     ($CMD{cvsgraph},
                   2898:      '-r', $cvsroot,
                   2899:      '-i',
                   2900:      '-M', $mapname,
3.146     scop     2901:      '-x', 4,
                   2902:      "-Omap_branch_href=\"href=\\\"./?only_with_tag=%(%t%)$barequery\\\"\"",
                   2903:      "-Omap_rev_href=\"href=\\\"?rev=%(%R%)$barequery$ctype\\\"\"",
                   2904:      "-Omap_diff_href=\"href=\\\"%(%F%).diff" .
                   2905:      "?r1=%(%P%)&amp;r2=%(%R%)$barequery\\\"\"",
3.135     scop     2906:      );
3.132     scop     2907:   push(@graph_cmd, '-c', $cvsgraph_config) if $cvsgraph_config;
3.174     scop     2908:   push(@graph_cmd, catfile($pathname, $filename . ',v'));
3.132     scop     2909:
3.174     scop     2910:   local *CVSGRAPH_OUT;
                   2911:   local $^W = 0; # IPC::Run is noisy w/perl 5.8.  Also prevents weird hangs.
                   2912:   my ($h, $err) =
                   2913:     startproc(\@graph_cmd, \"", '>pipe', \*CVSGRAPH_OUT, timeout(30));
                   2914:   fatal('500 Internal Error', $err) unless $h;
                   2915:   {
                   2916:     local $/ = undef;
                   2917:     print <CVSGRAPH_OUT>;
3.132     scop     2918:   }
3.174     scop     2919:   finish($h);
3.132     scop     2920:
                   2921:   html_footer();
                   2922: }
                   2923:
3.175     scop     2924:
3.132     scop     2925: #
                   2926: # Generates a graph using CvsGraph.
                   2927: #
3.170     scop     2928: sub doGraph()
3.132     scop     2929: {
                   2930:   (my $pathname = $where) =~ s|[^/]*$||;
                   2931:   (my $filename = $where) =~ s|^.*/||;
                   2932:
                   2933:   http_header('image/png');
                   2934:
                   2935:   my @graph_cmd = ($CMD{cvsgraph}, '-r', $cvsroot);
                   2936:   push(@graph_cmd, '-c', $cvsgraph_config) if $cvsgraph_config;
3.174     scop     2937:   push(@graph_cmd, catfile($pathname, $filename . ',v'));
3.132     scop     2938:
3.174     scop     2939:   local *CVSGRAPH_OUT;
                   2940:   local $^W = 0; # IPC::Run is noisy w/perl 5.8.  Also prevents weird hangs.
                   2941:   my ($h, $err) =
                   2942:     startproc(\@graph_cmd, \"", '>pipe', \*CVSGRAPH_OUT, timeout(30));
                   2943:   fatal('500 Internal Error', $err) unless $h;
3.132     scop     2944:   {
                   2945:     local $/ = undef;
                   2946:     binmode(\*STDOUT);
3.174     scop     2947:     print <CVSGRAPH_OUT>;
3.132     scop     2948:   }
3.174     scop     2949:   finish($h);
3.132     scop     2950: }
                   2951:
                   2952:
3.120     scop     2953: sub doLog($)
                   2954: {
                   2955:   my ($fullname) = @_;
                   2956:
                   2957:   readLog($fullname);
                   2958:
                   2959:   html_header("CVS log for $where");
3.144     scop     2960:
                   2961:   (my $upwhere  = $where) =~ s|(Attic/)?[^/]+$||;
                   2962:   (my $filename = $where) =~ s|^.*/||;
                   2963:   my $backurl = $scriptname . "/" . urlencode($upwhere) . $query;
                   2964:
3.120     scop     2965:   print "<p>\n ";
                   2966:   print &link($backicon, "$backurl#$filename"), " <b>Up to ",
                   2967:     &clickablePath($upwhere, 1), "</b>\n</p>\n";
                   2968:   print "<p>\n ";
                   2969:   print &link('Request diff between arbitrary revisions', '#diff');
3.132     scop     2970:   if ($allow_cvsgraph) {
3.170     scop     2971:     print ' / ', &graph_link('', 'Display revisions graphically');
3.132     scop     2972:   }
3.177   ! scop     2973:   print "\n</p>\n<hr>\n";
3.120     scop     2974:
                   2975:   print "<p>\n";
3.152     scop     2976:
                   2977:   my $explain = $keywordsubstitution =~ /b/ ?
                   2978:     ' (i.e.: CVS considers this a binary file)' : '';
                   2979:   print "Keyword substitution: $keywordsubstitution$explain<br>\n";
3.144     scop     2980:   print $curbranch
                   2981:     ? ("Default branch: ", ($revsym{$curbranch} || $curbranch))
                   2982:     : "No default branch";
3.120     scop     2983:   print "<br>\n";
                   2984:
3.153     scop     2985:   print 'Current tag: ', htmlquote($input{only_with_tag}), "<br>\n"
                   2986:     if $input{only_with_tag};
3.120     scop     2987:   print "</p>\n";
                   2988:
                   2989:   undef %nameprinted;
                   2990:
                   2991:   for (my $i = 0; $i <= $#revdisplayorder; $i++) {
3.177   ! scop     2992:     print "<hr>\n";
3.120     scop     2993:     printLog($revdisplayorder[$i]);
                   2994:   }
                   2995:
3.144     scop     2996:   printf(<<EOF, $scriptwhere);
3.177   ! scop     2997: <hr>
3.144     scop     2998: <p>
                   2999:  <a name="diff">
                   3000:   This form allows you to request diff's between any two revisions of a file.
                   3001:   You may select a symbolic revision name using the selection box or you may
                   3002:   type in a numeric name using the type-in text box.
                   3003:  </a>
                   3004: </p>
                   3005: <form method="get" action="%s.diff" name="diff_select">
                   3006: EOF
3.120     scop     3007:
                   3008:   foreach (@stickyvars) {
3.154     scop     3009:     printf("<input type=\"hidden\" name=\"%s\" value=\"%s\">\n",
                   3010:            $_, htmlquote($input{$_}))
3.120     scop     3011:       if (defined($input{$_})
                   3012:           && ((!defined($DEFAULTVALUE{$_}) || $input{$_} ne $DEFAULTVALUE{$_})
                   3013:               && $input{$_} ne ""));
                   3014:   }
3.144     scop     3015:
                   3016:   print <<EOF;
                   3017: <table style="border: none">
                   3018: <tr>
                   3019: <td align="right">
                   3020: <label for="r1" accesskey="1">Diffs between </label>
                   3021: <select id="r1" name="r1">
                   3022: <option value="text" selected>Use Text Field</option>
                   3023: EOF
                   3024:   print $sel, "</select>\n";
                   3025:
                   3026:   my $diffrev = defined($input{r1}) ?
                   3027:     $input{r1} : $revdisplayorder[$#revdisplayorder];
                   3028:
                   3029:   printf(<<EOF, $inputTextSize, $diffrev);
3.147     scop     3030: <input type="text" size="%s" name="tr1" value="%s" onchange="this.form.r1.selectedIndex=0">
3.144     scop     3031: </td>
                   3032: <td><br></td>
                   3033: </tr><tr>
                   3034: <td align="right">
                   3035: <label for="r2" accesskey="2">and </label>
                   3036: <select id="r2" name="r2">
                   3037: <option value="text" selected>Use Text Field</option>
                   3038: EOF
                   3039:   print $sel, "</select>\n";
                   3040:
                   3041:   $diffrev = defined($input{r2}) ? $input{r2} : $revdisplayorder[0];
                   3042:
                   3043:   printf(<<EOF, $inputTextSize, $diffrev, $scriptwhere);
                   3044: <input type="text" size="%s" name="tr2" value="%s" onchange="this.form.r2.selectedIndex=0">
                   3045: </td>
                   3046: <td><input type="submit" value="  Get Diffs  " accesskey="G"></td>
                   3047: </tr>
                   3048: </table>
                   3049: </form>
3.177   ! scop     3050: <hr>
3.144     scop     3051: <form method="get" action="%s">
                   3052: <table style="border: none">
                   3053: <tr>
                   3054:  <td align="right">
                   3055:   <label for="f" accesskey="D">Preferred Diff type:</label>
                   3056:  </td><td>
                   3057: EOF
                   3058:
3.120     scop     3059:   printDiffSelect($use_java_script);
3.144     scop     3060:
                   3061:   print <<EOF;
                   3062:  </td>
                   3063:  <td></td>
                   3064: </tr>
                   3065: EOF
3.120     scop     3066:
                   3067:   if (@branchnames) {
3.144     scop     3068:
                   3069:     printf(<<EOF, $use_java_script ? ' onchange="this.form.submit()"' : '');
                   3070: <tr>
                   3071: <td align="right">
                   3072: <label for="only_with_tag" accesskey="B">View only Branch:</label>
                   3073: </td><td>
                   3074: <a name="branch"></a>
                   3075: <select id="only_with_tag" name="only_with_tag"%s>
                   3076: EOF
                   3077:     print '<option value=""';
                   3078:     print ' selected'
                   3079:       if (defined($input{"only_with_tag"}) && $input{"only_with_tag"} eq '');
3.120     scop     3080:     print ">Show all branches</option>\n";
                   3081:
                   3082:     foreach (reverse sort @branchnames) {
3.136     scop     3083:       my $selected =
                   3084:         (defined($input{"only_with_tag"}) && $input{"only_with_tag"} eq $_);
                   3085:       printf("<option%s>%s</option>\n",
                   3086:              $selected ? ' selected' : '',
                   3087:              htmlquote($_));
3.120     scop     3088:     }
3.144     scop     3089:     print <<EOF
                   3090: </select>
                   3091: </td>
                   3092: <td></td>
                   3093: </tr>
                   3094: EOF
3.120     scop     3095:   }
                   3096:
3.144     scop     3097:   print <<EOF;
                   3098:  <tr>
                   3099:   <td align="right">
                   3100:    <a name="logsort"></a>
                   3101:    <label for="logsort" accesskey="L">Sort log by:</label>
                   3102:   </td><td>
                   3103: EOF
3.120     scop     3104:   printLogSortSelect($use_java_script);
3.144     scop     3105:   print <<EOF;
                   3106:   </td>
                   3107:   <td><input type="submit" value="  Set  " accesskey="S"></td>
                   3108:  </tr>
                   3109: </table>
                   3110: EOF
3.154     scop     3111:   foreach (@stickyvars) {
                   3112:     next if ($_ eq "f");
                   3113:     next if ($_ eq "only_with_tag");
                   3114:     next if ($_ eq "logsort");
                   3115:     printf("<input type=\"hidden\" name=\"$_\" value=\"%s\">\n",
                   3116:            htmlquote($input{$_}))
                   3117:       if (defined($input{$_})
                   3118:           && (!defined($DEFAULTVALUE{$_})
                   3119:               || $input{$_} ne $DEFAULTVALUE{$_})
                   3120:           && $input{$_} ne "");
                   3121:   }
                   3122:   print "</form>\n";
3.120     scop     3123:   html_footer();
                   3124: }
                   3125:
3.175     scop     3126:
3.120     scop     3127: sub flush_diff_rows($$$$)
                   3128: {
                   3129:   my ($leftColRef, $rightColRef, $leftRow, $rightRow) = @_;
                   3130:
3.175     scop     3131:   return unless defined($state);
3.120     scop     3132:
                   3133:   if ($state eq "PreChangeRemove") {    # we just got remove-lines before
3.133     scop     3134:     for (my $j = 0; $j < $leftRow; $j++) {
3.144     scop     3135:       printf(<<EOF, scalar(@$leftColRef[$j]));
                   3136: <tr>
                   3137:  <td class="diff-removed">&nbsp;%s</td>
                   3138:  <td class="diff-empty">&nbsp;</td>
                   3139: </tr>
                   3140: EOF
3.120     scop     3141:     }
                   3142:   } elsif ($state eq "PreChange") {     # state eq "PreChange"
                   3143:                                         # we got removes with subsequent adds
3.176     scop     3144:     if ($Have_Ediff) {
                   3145:       # construct the suffix tree
                   3146:       my $left_diff = join("\n", @$leftColRef[0..$leftRow-1]);
                   3147:       my $right_diff = join("\n", @$rightColRef[0..$rightRow-1]);
                   3148:       my $diff_str = String::Ediff::ediff($left_diff, $right_diff);
                   3149:
                   3150:       my @diff_str = split(/ /, $diff_str);
                   3151:       my $INFINITY = 10000000;
                   3152:       push(@diff_str, ($INFINITY) x 8);
                   3153:       my ($idx, $b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2) =
                   3154:         (0, @diff_str[0..7]);
                   3155:       my ($l_cul, $r_cul) = (0, 0);
                   3156:       my ($ldx, $rdx) = (0, 0);
                   3157:       my (@left_html, @right_html);
                   3158:       for (my $j = 0; $j < $leftRow; $j++) {
                   3159:         my $line_len = length(@$leftColRef[$j]);
                   3160:         my $line = @$leftColRef[$j];
                   3161:         $l_cul += length($line) + 1; # includes "\n"
                   3162:         my $l_culx = $l_cul - 1; # not includes "\n"
                   3163:         if ($j < $lb1) {
                   3164:           $line = spacedHtmlText($line);
                   3165:           push(@left_html, "<td class=\"diff-changed\">$line</td>");
                   3166:         } elsif ($lb1 == $j) {
                   3167:           my $html_line;
                   3168:           while ($lb1 == $j) {
                   3169:             my $begin_char = $l_culx - $b1;
                   3170:
                   3171:             $line =~ /^(.*)(.{$begin_char})$/;
                   3172:             $html_line .= spacedHtmlText($1) .
                   3173:               '</span><span class="diff-unchanged">';
                   3174:             $line = $2;
                   3175:             last if ($j != $le1);
                   3176:
                   3177:             my $end_char = $l_culx - $e1;
                   3178:             $line =~ /^(.*)(.{$end_char})$/;
                   3179:             $html_line .= spacedHtmlText($1) .
                   3180:               '</span><span class="diff-changed">';
                   3181:             $line = $2;
                   3182:
                   3183:             $idx++;
                   3184:             my ($tb1, $te1, $tlb1, $tle1, $tb2, $te2, $tlb2, $tle2) =
                   3185:               ($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2);
                   3186:             ($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2) =
                   3187:               @diff_str[$idx*8..($idx+1)*8-1];
                   3188:             $lb1 = $INFINITY if ($lb1 < 0);
                   3189:             $lb2 = $INFINITY if ($lb2 < 0);
                   3190:             $le1 = $INFINITY if ($le1 < 0);
                   3191:             $le2 = $INFINITY if ($le2 < 0);
                   3192:             if ($te1 > $b1) {
                   3193:               ($b1, $lb1) = ($te1, $tle1);
                   3194:             }
                   3195:             if ($te2 > $b2) {
                   3196:               ($b2, $lb2) = ($te2, $tle2);
                   3197:             }
                   3198:           }
                   3199:           push(@left_html,
                   3200:                sprintf('<td><span class="%s">%s%s</span></td>',
                   3201:                        'diff-changed', $html_line, spacedHtmlText($line)));
                   3202:         } elsif ($le1 == $j) {
                   3203:           my $html_line;
                   3204:           while ($le1 == $j) {
                   3205:             my $end_char = $l_culx - $e1;
                   3206:             $line =~ /^(.*)(.{$end_char})$/;
                   3207:             $html_line .= spacedHtmlText($1) .
                   3208:               '</span><span class="diff-changed">';
                   3209:             $line = $2;
                   3210:
                   3211:             $idx++;
                   3212:             my ($tb1, $te1, $tlb1, $tle1, $tb2, $te2, $tlb2, $tle2) =
                   3213:               ($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2);
                   3214:             ($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2) =
                   3215:               @diff_str[$idx*8..($idx+1)*8-1];
                   3216:             $lb1 = $INFINITY if ($lb1 < 0);
                   3217:             $lb2 = $INFINITY if ($lb2 < 0);
                   3218:             $le1 = $INFINITY if ($le1 < 0);
                   3219:             $le2 = $INFINITY if ($le2 < 0);
                   3220:             if ($te1 > $b1) {
                   3221:               ($b1, $lb1) = ($te1, $tle1);
                   3222:             }
                   3223:             if ($te2 > $b2) {
                   3224:               ($b2, $lb2) = ($te2, $tle2);
                   3225:             }
                   3226:
                   3227:             last if ($lb1 != $j);
                   3228:
                   3229:             my $begin_char = $l_culx - $b1;
                   3230:
                   3231:             $line =~ /^(.*)(.{$begin_char})$/;
                   3232:             $html_line .= spacedHtmlText($1) .
                   3233:               '</span><span class="diff-unchanged">';
                   3234:             $line = $2;
                   3235:           }
                   3236:           push(@left_html,
                   3237:                sprintf('<td><span class="%s">%s%s</span></td>',
                   3238:                        'diff-unchanged', $html_line, spacedHtmlText($line)));
                   3239:         } else {
                   3240:           $line = spacedHtmlText($line);
                   3241:           push(@left_html, "<td class=\"diff-unchanged\">$line</td>");
                   3242:         }
                   3243:       }
                   3244:       ($idx, $b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2) =
                   3245:         (0, @diff_str[0..7]);
                   3246:       $lb1 = $INFINITY if ($lb1 < 0);
                   3247:       $lb2 = $INFINITY if ($lb2 < 0);
                   3248:       $le1 = $INFINITY if ($le1 < 0);
                   3249:       $le2 = $INFINITY if ($le2 < 0);
                   3250:       for (my $j = 0; $j < $rightRow; $j++) {
                   3251:         my $line_len = length(@$rightColRef[$j]);
                   3252:         my $line = @$rightColRef[$j];
                   3253:         $r_cul += length($line) + 1; # includes "\n"
                   3254:         my $r_culx = $r_cul - 1; # not includes "\n"
                   3255:         if ($j < $lb2) {
                   3256:           $line = spacedHtmlText($line);
                   3257:           push(@right_html, "<td class=\"diff-changed\">$line</td>");
                   3258:         } elsif ($lb2 == $j) {
                   3259:           my $html_line;
                   3260:           while ($lb2 == $j) {
                   3261:             my $begin_char = $r_culx - $b2;
                   3262:
                   3263:             $line =~ /^(.*)(.{$begin_char})$/;
                   3264:             $html_line .= spacedHtmlText($1) .
                   3265:               '</span><span class="diff-unchanged">';
                   3266:             $line = $2;
                   3267:
                   3268:             last if ($j != $le2);
                   3269:
                   3270:             my $end_char = $r_culx - $e2;
                   3271:             $line =~ /^(.*)(.{$end_char})$/;
                   3272:             $html_line .= spacedHtmlText($1) .
                   3273:               '</span><span class="diff-changed">';
                   3274:             $line = $2;
                   3275:
                   3276:             $idx++;
                   3277:             my ($tb1, $te1, $tlb1, $tle1, $tb2, $te2, $tlb2, $tle2) =
                   3278:               ($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2);
                   3279:             ($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2) =
                   3280:               @diff_str[$idx*8..($idx+1)*8-1];
                   3281:             $lb1 = $INFINITY if ($lb1 < 0);
                   3282:             $lb2 = $INFINITY if ($lb2 < 0);
                   3283:             $le1 = $INFINITY if ($le1 < 0);
                   3284:             $le2 = $INFINITY if ($le2 < 0);
                   3285:             if ($te1 > $b1) {
                   3286:               ($b1, $lb1) = ($te1, $tle1);
                   3287:             }
                   3288:             if ($te2 > $b2) {
                   3289:               ($b2, $lb2) = ($te2, $tle2);
                   3290:             }
                   3291:           }
                   3292:           push(@right_html,
                   3293:                sprintf('<td><span class="%s">%s%s</span></td>',
                   3294:                        'diff-changed', $html_line, spacedHtmlText($line)));
                   3295:         } elsif ($le2 == $j) {
                   3296:           my $html_line;
                   3297:           while ($le2 == $j) {
                   3298:             my $end_char = $r_culx - $e2;
                   3299:             $line =~ /^(.*)(.{$end_char})$/;
                   3300:             $html_line .= spacedHtmlText($1) .
                   3301:               '</span><span class="diff-changed">';
                   3302:             $line = $2;
                   3303:
                   3304:             $idx++;
                   3305:             my ($tb1, $te1, $tlb1, $tle1, $tb2, $te2, $tlb2, $tle2) =
                   3306:               ($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2);
                   3307:             ($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2) =
                   3308:               @diff_str[$idx*8..($idx+1)*8-1];
                   3309:             $lb1 = $INFINITY if ($lb1 < 0);
                   3310:             $lb2 = $INFINITY if ($lb2 < 0);
                   3311:             $le1 = $INFINITY if ($le1 < 0);
                   3312:             $le2 = $INFINITY if ($le2 < 0);
                   3313:             if ($te1 > $b1) {
                   3314:               ($b1, $lb1) = ($te1, $tle1);
                   3315:             }
                   3316:             if ($te2 > $b2) {
                   3317:               ($b2, $lb2) = ($te2, $tle2);
                   3318:             }
                   3319:
                   3320:             last if ($lb2 != $j);
                   3321:
                   3322:             my $begin_char = $r_culx - $b2;
                   3323:             $line =~ /^(.*)(.{$begin_char})$/;
                   3324:             $html_line .= spacedHtmlText($1) .
                   3325:               '</span><span class="diff-unchanged">';
                   3326:             $line = $2;
                   3327:           }
                   3328:           push(@right_html,
                   3329:                sprintf('<td nowrap><span class="%s">%s%s</span></td>',
                   3330:                        'diff-unchanged', $html_line, spacedHtmlText($line)));
                   3331:         } else {
                   3332:           $line = spacedHtmlText ($line);
                   3333:           push @right_html, "<td class=\"diff-unchanged\">$line</td>";
                   3334:         }
                   3335:       }
                   3336:       for (my $j = 0; $j < $leftRow || $j < $rightRow ; $j++) { # dump out both cols
                   3337:         print  '<tr>';
                   3338:         if ($j < $leftRow) {
                   3339:           print $left_html[$j];
                   3340:         } else {
                   3341:           print '<td class="diff-changed-missing">&nbsp;</td>';
                   3342:         }
                   3343:         if ($j < $rightRow) {
                   3344:           print $right_html[$j];
                   3345:         } else {
                   3346:           print '<td class="diff-changed-missing">&nbsp;</td>';
                   3347:         }
                   3348:         print "</tr>\n";
3.120     scop     3349:       }
3.176     scop     3350:     } else {
                   3351:       for (my $j = 0; $j < $leftRow || $j < $rightRow; $j++) { # dump both cols
                   3352:         print "<tr>\n";
                   3353:         if ($j < $leftRow) {
                   3354:           print '<td class="diff-changed">&nbsp;' .
                   3355:             spacedHtmlText(@$leftColRef[$j]) . '</td>';
                   3356:         } else {
                   3357:           print '<td class="diff-changed-missing">&nbsp;</td>';
                   3358:         }
                   3359:         print "\n";
3.120     scop     3360:
3.176     scop     3361:         if ($j < $rightRow) {
                   3362:           print '<td class="diff-changed">&nbsp;' .
                   3363:             spacedHtmlText(@$rightColRef[$j]) . '</td>';
                   3364:         } else {
                   3365:           print '<td class="diff-changed-missing">&nbsp;</td>';
                   3366:         }
                   3367:         print "\n</tr>\n";
3.120     scop     3368:       }
                   3369:     }
                   3370:   }
3.1       knu      3371: }
                   3372:
3.175     scop     3373:
3.1       knu      3374: ##
                   3375: # Function to generate Human readable diff-files
                   3376: # human_readable_diff(String revision_to_return_to);
                   3377: ##
3.144     scop     3378: sub human_readable_diff($$)
3.120     scop     3379: {
                   3380:   my ($fh, $rev) = @_;
3.144     scop     3381:
3.120     scop     3382:   my ($date1, $date2, $r1d, $r2d, $r1r, $r2r, $rev1, $rev2, $sym1, $sym2);
                   3383:
3.169     scop     3384:   (my $where_nd       = $where)       =~ s|\.diff$||;
                   3385:   (my $filename       = $where_nd)    =~ s|^.*/||;
                   3386:   (my $pathname       = $where_nd)    =~ s|(Attic/)?[^/]*$||;
                   3387:   (my $scriptwhere_nd = $scriptwhere) =~ s|\.diff$||;
3.120     scop     3388:
3.133     scop     3389:   navigateHeader($scriptwhere_nd, $pathname, $filename, $rev, 'diff');
3.120     scop     3390:
                   3391:   # Read header to pick up read revision and date, if possible
                   3392:   while (<$fh>) {
                   3393:     ($r1d, $r1r) = /\t(.*)\t(.*)$/ if (/^--- /);
                   3394:     ($r2d, $r2r) = /\t(.*)\t(.*)$/ if (/^\+\+\+ /);
                   3395:     last if (/^\+\+\+ /);
                   3396:   }
                   3397:
                   3398:   if (defined($r1r) && $r1r =~ /^(\d+\.)+\d+$/) {
                   3399:     $rev1  = $r1r;
                   3400:     $date1 = $r1d;
                   3401:   }
                   3402:   if (defined($r2r) && $r2r =~ /^(\d+\.)+\d+$/) {
                   3403:     $rev2  = $r2r;
                   3404:     $date2 = $r2d;
                   3405:   }
                   3406:
3.144     scop     3407:   # Using <table style=\"border: none\" here breaks NS 4.x badly...
                   3408:   printf(<<EOF, $where_nd, $rev1, $rev2, $rev1);
                   3409: <h3 style="text-align: center">Diff for /%s between versions %s and %s</h3>
3.147     scop     3410: <table border="0" cellspacing="0" cellpadding="0" width="100%%">
3.144     scop     3411: <tr style="background-color: #ffffff">
3.147     scop     3412: <th style="text-align: center; vertical-align: top" width="50%%">version %s
3.144     scop     3413: EOF
                   3414:   print ', ', $date1 if defined($date1);
                   3415:   print "<br>Tag: $sym1\n" if $sym1;
                   3416:   printf(<<EOF, $rev2);
                   3417: </th>
3.147     scop     3418: <th style="text-align: center; vertical-align: top" width="50%%">version %s
3.144     scop     3419: EOF
                   3420:   print ', ', $date2 if defined($date2);
                   3421:   print "<br>Tag: $sym2\n" if $sym2;
3.120     scop     3422:   print "</th>\n";
                   3423:
                   3424:   # Process diff text
                   3425:   # prefetch several lines
                   3426:   my @buf = head($fh);
3.144     scop     3427:   my %d = scan_directives(@buf);
3.120     scop     3428:
3.144     scop     3429:   my $leftRow  = 0;
                   3430:   my $rightRow = 0;
                   3431:   my ($difftxt, @rightCol, @leftCol, $oldline, $newline, $funname);
                   3432:   my ($diffcode, $rest);
3.120     scop     3433:
                   3434:   while (@buf || !eof($fh)) {
                   3435:     $difftxt = @buf ? shift @buf : <$fh>;
                   3436:
                   3437:     if ($difftxt =~ /^@@/) {
                   3438:       ($oldline, $newline, $funname) =
                   3439:         $difftxt =~ /@@ \-([0-9]+).*\+([0-9]+).*@@(.*)/;
                   3440:       $funname = htmlquote($funname);
                   3441:       $funname =~ s/\s/&nbsp;/go;
3.144     scop     3442:
                   3443:       printf(<<EOF, $oldline, $funname, $newline, $funname);
                   3444: <tr class="diff-heading">
3.147     scop     3445: <td width="50%%">
                   3446:  <table width="100%%" border="1" cellpadding="5">
3.144     scop     3447:   <tr>
                   3448:    <td><b>Line&nbsp;%s</b>&nbsp;<span style="font-size: smaller">%s</span></td>
                   3449:   </tr>
                   3450:  </table>
3.147     scop     3451: </td><td width="50%%">
                   3452:  <table width="100%%" border="1" cellpadding="5">
3.144     scop     3453:   <tr>
                   3454:    <td><b>Line&nbsp;%s</b>&nbsp;<span style="font-size: smaller">%s</span></td>
                   3455:   </tr>
                   3456:  </table>
                   3457: </td>
                   3458: EOF
                   3459:
3.120     scop     3460:       $state    = "dump";
                   3461:       $leftRow  = 0;
                   3462:       $rightRow = 0;
                   3463:     } else {
                   3464:       ($diffcode, $rest) = $difftxt =~ /^([-+ ])(.*)/;
3.176     scop     3465:       $_ = $rest;
3.120     scop     3466:
                   3467:       #########
                   3468:       # little state machine to parse unified-diff output (Hen, zeller@think.de)
                   3469:       # in order to get some nice 'ediff'-mode output
                   3470:       # states:
                   3471:       #  "dump"             - just dump the value
                   3472:       #  "PreChangeRemove"  - we began with '-' .. so this could be the start of a 'change' area or just remove
                   3473:       #  "PreChange"        - okey, we got several '-' lines and moved to '+' lines -> this is a change block
                   3474:       ##########
                   3475:
                   3476:       if ($diffcode eq '+') {
                   3477:         if ($state eq "dump")
                   3478:         {    # 'change' never begins with '+': just dump out value
3.176     scop     3479:           $_ = spacedHtmlText($rest, $d{'tabstop'});
3.144     scop     3480:           printf(<<EOF, $_);
                   3481: <tr>
                   3482:  <td class="diff-empty">&nbsp;</td>
                   3483:  <td class="diff-added">&nbsp;%s</td>
                   3484: </tr>
                   3485: EOF
3.120     scop     3486:         } else {    # we got minus before
                   3487:           $state = "PreChange";
                   3488:           $rightCol[$rightRow++] = $_;
                   3489:         }
                   3490:       } elsif ($diffcode eq '-') {
                   3491:         $state = "PreChangeRemove";
                   3492:         $leftCol[$leftRow++] = $_;
                   3493:       } else {    # empty diffcode
                   3494:         flush_diff_rows \@leftCol, \@rightCol, $leftRow, $rightRow;
3.176     scop     3495:         $_ = spacedHtmlText($rest, $d{'tabstop'});
3.147     scop     3496:         printf(<<EOF, $_, $_);
3.144     scop     3497: <tr>
                   3498:  <td class="diff-same">&nbsp;%s</td>
                   3499:  <td class="diff-same">&nbsp;%s</td>
                   3500: </tr>
                   3501: EOF
3.120     scop     3502:         $state    = "dump";
                   3503:         $leftRow  = 0;
                   3504:         $rightRow = 0;
                   3505:       }
                   3506:     }
                   3507:   }
                   3508:   close($fh);
                   3509:
                   3510:   flush_diff_rows \@leftCol, \@rightCol, $leftRow, $rightRow;
                   3511:
                   3512:   # state is empty if we didn't have any change
                   3513:   if (!$state) {
3.144     scop     3514:     print <<EOF;
                   3515: <tr>
                   3516:  <td colspan="2">&nbsp;</td>
                   3517: </tr>
                   3518: <tr class="diff-empty">
                   3519:  <td colspan="2" align="center"><b>- No viewable change -</b></td>
                   3520: </tr>
                   3521: EOF
3.120     scop     3522:   }
                   3523:
3.144     scop     3524:   printf(<<EOF, $scriptwhere, $rev1, $rev2);
                   3525: </table>
3.177   ! scop     3526: <hr style="width: 100%%">
3.144     scop     3527: <form method="get" action="%s">
                   3528: <table style="border: none">
                   3529: <tr>
                   3530: <td>
                   3531:  <table border="1">
                   3532:   <tr>
                   3533:    <td>
                   3534:     Legend:<br>
                   3535:     <table style="border: none" cellspacing="0" cellpadding="1">
                   3536:      <tr>
                   3537:       <td align="center" class="diff-removed">Removed from v.%s</td>
                   3538:       <td class="diff-empty">&nbsp;</td>
                   3539:      </tr><tr class="diff-changed">
                   3540:       <td align="center" colspan="2">changed lines</td>
                   3541:      </tr><tr>
                   3542:       <td class="diff-empty">&nbsp;</td>
                   3543:       <td align="center" class="diff-added">Added in v.%s</td>
                   3544:      </tr>
                   3545:     </table>
                   3546:    </td>
                   3547:   </tr>
                   3548:  </table>
                   3549: </td>
                   3550: <td>
                   3551: EOF
3.168     scop     3552:   printDiffSelectStickyVars();
3.120     scop     3553:   printDiffSelect($use_java_script);
3.144     scop     3554:   print <<EOF;
                   3555: <input type="submit" value="Show">
                   3556: </td>
                   3557: </tr>
                   3558: </table>
                   3559: </form>
                   3560: EOF
3.120     scop     3561: }
3.167     scop     3562:
                   3563:
                   3564: sub doEnscript($$$)
                   3565: {
                   3566:   my ($filehandle, $highlight, $linenumbers) = @_;
                   3567:
3.174     scop     3568:   my @cmd = ($CMD{enscript},
                   3569:              @enscript_options,
                   3570:              qw(-q --language=cvsweb -o -),
                   3571:              "--highlight=$highlight");
                   3572:
                   3573:   local $^W = 0; # IPC::Run is noisy w/ perl 5.8.
                   3574:   local *ENSCRIPT_OUT;
                   3575:   my ($h, $err) =
                   3576:     startproc(\@cmd, $filehandle, '>pipe', \*ENSCRIPT_OUT, timeout(30));
                   3577:   fatal('500 Internal Error', $err) unless $h;
                   3578:
                   3579:   # We could short-circuit and have enscript output directly to STDOUT above,
                   3580:   # but that doesn't work with mod_perl (at least some 1.99 versions).
                   3581:   if ($linenumbers) {
                   3582:     my $ln = 0;
                   3583:     while (<ENSCRIPT_OUT>) {
                   3584:       printf '<a id="l%d" class="src">%5d: </a>', (++$ln) x 2;
                   3585:       print $_;
3.167     scop     3586:     }
3.174     scop     3587:   } else {
                   3588:     local $/ = undef;
                   3589:     print <ENSCRIPT_OUT>;
3.167     scop     3590:   }
3.174     scop     3591:   finish($h);
3.167     scop     3592: }
                   3593:
3.120     scop     3594:
3.163     scop     3595: sub navigateHeader($$$$$;$)
3.120     scop     3596: {
3.163     scop     3597:   my ($swhere, $path, $filename, $rev, $title, $moddate) = @_;
3.120     scop     3598:   $swhere = "" if ($swhere eq $scriptwhere);
                   3599:   $swhere = './' . urlencode($filename) if ($swhere eq "");
                   3600:
3.136     scop     3601:   my $qfile = htmlquote($filename);
                   3602:   my $qpath = htmlquote($path);
3.170     scop     3603:   my $trev  = $rev ? " - $rev" : '';
3.100     knu      3604:
3.163     scop     3605:   http_header('', $moddate);
3.133     scop     3606:
3.120     scop     3607:   print <<EOF;
3.100     knu      3608: $HTML_DOCTYPE
3.89      knu      3609: <html>
                   3610: <head>
3.170     scop     3611: <title>$qpath$qfile - $title$trev</title>
3.144     scop     3612: $HTML_META$CSS</head>
3.129     scop     3613: <body class="src">
                   3614: <table width="100%" class="navigate-header" style="border: none" cellspacing="0" cellpadding="1">
3.144     scop     3615:  <tr valign="bottom">
                   3616:   <td>
3.64      knu      3617: EOF
                   3618:
3.170     scop     3619:   print &link($backicon, "$swhere$query" . ($rev ? "#rev$rev" : ''));
3.136     scop     3620:   printf '<b>Return to %s CVS log',
3.170     scop     3621:     &link(htmlquote($filename), "$swhere$query" . ($rev ? "#rev$rev" : ''));
3.120     scop     3622:   print "</b> $fileicon</td>";
                   3623:
3.144     scop     3624:   printf(<<EOF, $diricon, &clickablePath($path, 1));
                   3625:   <td align="right">%s <b>Up to %s</b></td>
                   3626:  </tr>
                   3627: </table>
                   3628: EOF
3.120     scop     3629: }
                   3630:
3.175     scop     3631:
3.120     scop     3632: sub plural_write($$)
                   3633: {
                   3634:   my ($num, $text) = @_;
                   3635:   if ($num != 1) {
                   3636:     $text .= "s";
                   3637:   }
                   3638:
                   3639:   if ($num > 0) {
                   3640:     return join (' ', $num, $text);
                   3641:   } else {
                   3642:     return "";
                   3643:   }
3.1       knu      3644: }
                   3645:
3.175     scop     3646:
3.1       knu      3647: ##
                   3648: # print readable timestamp in terms of
                   3649: # '..time ago'
                   3650: # H. Zeller <zeller@think.de>
                   3651: ##
3.120     scop     3652: sub readableTime($$)
                   3653: {
                   3654:   my ($secs, $long) = @_;
                   3655:
3.175     scop     3656:   # This function works correctly for time >= 2 seconds.
                   3657:   return 'very little time' if ($secs < 2);
3.120     scop     3658:
                   3659:   my %desc = (
3.133     scop     3660:               1        => 'second',
                   3661:               60       => 'minute',
                   3662:               3600     => 'hour',
                   3663:               86400    => 'day',
                   3664:               604800   => 'week',
                   3665:               2628000  => 'month',
                   3666:               31536000 => 'year'
                   3667:              );
                   3668:
3.120     scop     3669:   my @breaks = sort { $a <=> $b } keys %desc;
3.133     scop     3670:   my $i = 0;
3.120     scop     3671:
                   3672:   while ($i <= $#breaks && $secs >= 2 * $breaks[$i]) {
                   3673:     $i++;
                   3674:   }
                   3675:   $i--;
3.133     scop     3676:   my $break  = $breaks[$i];
                   3677:   my $retval = plural_write(int($secs / $break), $desc{$break});
3.120     scop     3678:
                   3679:   if ($long == 1 && $i > 0) {
                   3680:     my $rest = $secs % $break;
                   3681:     $i--;
                   3682:     $break = $breaks[$i];
                   3683:     my $resttime = plural_write(int($rest / $break), $desc{$break});
                   3684:     if ($resttime) {
                   3685:       $retval .= ", $resttime";
                   3686:     }
                   3687:   }
3.1       knu      3688:
3.120     scop     3689:   return $retval;
3.1       knu      3690: }
                   3691:
3.175     scop     3692:
3.1       knu      3693: ##
                   3694: # clickablePath(String pathname, boolean last_item_clickable)
                   3695: #
                   3696: # returns a html-ified path whereas each directory is a link for
                   3697: # faster navigation. last_item_clickable controls whether the
                   3698: # basename (last directory/file) is a link as well
                   3699: ##
3.120     scop     3700: sub clickablePath($$)
                   3701: {
                   3702:   my ($pathname, $clickLast) = @_;
                   3703:
3.154     scop     3704:   my $root = '[' . htmlquote($CVSROOTdescr{$cvstree} || $cvstree) . ']';
                   3705:
3.144     scop     3706:   # This should never happen (see chooseCVSRoot()), but let's be sure...
3.154     scop     3707:   return $root if ($pathname eq '/');
3.120     scop     3708:
3.144     scop     3709:   my $retval =
3.154     scop     3710:     ' ' . &link($root, sprintf('%s/%s#dirlist', $scriptname, $query));
3.144     scop     3711:   my $wherepath = '';
                   3712:   my ($lastslash) = $pathname =~ m|/$|;
                   3713:
                   3714:   foreach (split (/\//, $pathname)) {
                   3715:     $retval .= ' / ';
                   3716:     $wherepath .= "/$_";
                   3717:     my $last = "$wherepath/" eq "/$pathname" || $wherepath eq "/$pathname";
                   3718:
                   3719:     if ($clickLast || !$last) {
                   3720:       $retval .= &link(htmlquote($_),
                   3721:                        join ('',
                   3722:                              $scriptname, urlencode($wherepath),
                   3723:                              (!$last || $lastslash ? '/' : ''), $query,
                   3724:                              (!$last || $lastslash ? "#dirlist" : "")));
                   3725:     } else {    # do not make a link to the current dir
                   3726:       $retval .= htmlquote($_);
3.120     scop     3727:     }
                   3728:   }
                   3729:   return $retval;
                   3730: }
                   3731:
3.144     scop     3732:
3.120     scop     3733: sub chooseCVSRoot()
                   3734: {
                   3735:   print "<form method=\"get\" action=\"${scriptwhere}\">\n";
                   3736:   if (2 <= @CVSROOT) {
3.133     scop     3737:     foreach my $k (keys %input) {
3.154     scop     3738:       printf("<input type=\"hidden\" name=\"%s\" value=\"%s\">\n",
                   3739:              htmlquote($k), htmlquote($input{$k}))
                   3740:         if ($input{$k} && $k ne 'cvsroot');
3.120     scop     3741:     }
                   3742:
                   3743:     # Form-Elements look wierd in Netscape if the background
                   3744:     # isn't gray and the form elements are not placed
                   3745:     # within a table ...
3.144     scop     3746:     printf(<<EOF, $use_java_script ? ' onchange="this.form.submit()"' : '');
                   3747: <table style="border: none">
                   3748: <tr>
                   3749: <td><label for="cvsroot" accesskey="C">CVS Root:</label></td>
                   3750: <td>
                   3751: <select id="cvsroot" name="cvsroot"%s>
                   3752: EOF
3.120     scop     3753:
3.133     scop     3754:     foreach my $k (@CVSROOT) {
3.136     scop     3755:       printf("<option value=\"%s\"%s>%s</option>\n",
                   3756:              htmlquote($k),
                   3757:              ($k eq $cvstree) ? ' selected' : '',
                   3758:              htmlquote($CVSROOTdescr{$k} || $k));
3.120     scop     3759:     }
                   3760:     print "</select>\n</td>\n<td>";
                   3761:   } else {
                   3762:
                   3763:     # no choice -- but we need the form to select module/path,
                   3764:     # at least for Netscape
3.154     scop     3765:     printf "<p>\nCVS Root: <b>[%s]</b>",
                   3766:       htmlquote($CVSROOTdescr{$cvstree} || $cvstree);
3.120     scop     3767:   }
                   3768:
3.144     scop     3769:   print <<EOF;
                   3770: <label for="mpath" accesskey="M">
                   3771: Module path or alias:
                   3772: <input type="text" id="mpath" name="path" value="" size="15">
                   3773: </label>
                   3774: <input type="submit" value="Go" accesskey="O">
                   3775: EOF
3.120     scop     3776:
3.144     scop     3777:   print 2 <= @CVSROOT ? "</td>\n</tr>\n</table>" : '</p>';
3.120     scop     3778:   print "\n</form>";
                   3779: }
                   3780:
3.175     scop     3781:
3.120     scop     3782: sub chooseMirror()
                   3783: {
                   3784:   # This code comes from the original BSD-cvsweb
                   3785:   # and may not be useful for your site; If you don't
                   3786:   # set %MIRRORS this won't show up, anyway.
                   3787:   scalar(%MIRRORS) or return;
                   3788:
                   3789:   # Should perhaps exclude the current site somehow...
                   3790:   print "\n<p>\nThis CVSweb is mirrored in\n";
                   3791:
                   3792:   my @tmp = map(&link(htmlquote($_), $MIRRORS{$_}), sort keys %MIRRORS);
                   3793:   my $tmp = pop (@tmp);
                   3794:
                   3795:   if (scalar(@tmp)) {
                   3796:     print join (', ', @tmp), ' and ';
                   3797:   }
                   3798:
                   3799:   print "$tmp.\n</p>\n";
                   3800: }
                   3801:
3.175     scop     3802:
3.120     scop     3803: sub fileSortCmp()
                   3804: {
3.175     scop     3805:   (my $af = $a) =~ s/,v$//;
                   3806:   (my $bf = $b) =~ s/,v$//;
3.120     scop     3807:   my ($rev1, $date1, $log1, $author1, $filename1) = @{$fileinfo{$af}}
                   3808:     if (defined($fileinfo{$af}));
                   3809:   my ($rev2, $date2, $log2, $author2, $filename2) = @{$fileinfo{$bf}}
                   3810:     if (defined($fileinfo{$bf}));
                   3811:
3.175     scop     3812:   my $comp = 0;
3.140     scop     3813:   if (defined($filename1) && defined($filename2) &&
                   3814:       $af eq $filename1   && $bf eq $filename2)
3.120     scop     3815:   {
                   3816:
                   3817:     # Two files
3.140     scop     3818:     $comp = -revcmp($rev1, $rev2)             if ($byrev  && $rev1  && $rev2);
                   3819:     $comp = ($date2   <=> $date1)             if ($bydate && $date1 && $date2);
                   3820:     if ($input{ignorecase}) {
                   3821:       $comp = (uc($log1)    cmp uc($log2))    if ($bylog && $log1 && $log2);
                   3822:       $comp = (uc($author1) cmp uc($author2)) if ($byauthor &&
                   3823:                                                   $author1 && $author2);
                   3824:     } else {
                   3825:       $comp = ($log1    cmp $log2)            if ($bylog && $log1 && $log2);
                   3826:       $comp = ($author1 cmp $author2)         if ($byauthor &&
                   3827:                                                   $author1 && $author2);
                   3828:     }
3.120     scop     3829:   }
                   3830:
                   3831:   if ($comp == 0) {
                   3832:
                   3833:     # Directories first, then files under version control,
                   3834:     # then other, "rogue" files.
                   3835:     # Sort by filename if no other criteria available.
                   3836:
                   3837:     my $ad = (
                   3838:       (-d "$fullname/$a")
                   3839:       ? 'D'
                   3840:       : (defined($fileinfo{$af}) ? 'F' : 'R')
                   3841:     );
                   3842:     my $bd = (
                   3843:       (-d "$fullname/$b")
                   3844:       ? 'D'
                   3845:       : (defined($fileinfo{$bf}) ? 'F' : 'R')
                   3846:     );
3.175     scop     3847:     (my $c = $a) =~ s|.*/||;
                   3848:     (my $d = $b) =~ s|.*/||;
3.144     scop     3849:
                   3850:     my ($l, $r) = ("$ad$c", "$bd$d");
                   3851:     $comp = $input{ignorecase} ? (uc($l) cmp uc($r)) : ($l cmp $r);
                   3852:
                   3853:     # Parent dir is always first, then Attic.
                   3854:     if ($comp != 0) {
                   3855:       if ($l eq 'D..') {
3.149     scop     3856:         $comp = -1;
3.144     scop     3857:       } elsif ($r eq 'D..') {
3.149     scop     3858:         $comp = 1;
3.144     scop     3859:       } elsif ($l eq 'DAttic') {
3.149     scop     3860:         $comp = -1;
3.144     scop     3861:       } elsif ($r eq 'DAttic') {
3.149     scop     3862:         $comp = 1;
3.144     scop     3863:       }
                   3864:     }
3.120     scop     3865:   }
                   3866:   return $comp;
3.1       knu      3867: }
                   3868:
3.175     scop     3869:
3.1       knu      3870: # make A url for downloading
3.120     scop     3871: sub download_url($$;$)
                   3872: {
                   3873:   my ($url, $revision, $mimetype) = @_;
                   3874:   $revision =~ s/\b0\.//;
3.1       knu      3875:
3.146     scop     3876:   if (defined($checkoutMagic) &&
                   3877:       (!defined($mimetype) || $mimetype !~ $CvsWebMarkupRE))
3.120     scop     3878:   {
                   3879:     my $path = $where;
                   3880:     $path =~ s|[^/]+$||;
                   3881:     $url = "$scriptname/$checkoutMagic/${path}$url";
                   3882:   }
                   3883:   $url .= "?rev=$revision";
                   3884:   $url .= '&content-type=' . urlencode($mimetype) if (defined($mimetype));
3.67      knu      3885:
3.175     scop     3886:   return $url;
3.1       knu      3887: }
                   3888:
3.175     scop     3889:
                   3890: #
                   3891: # Presents a link to download the selected revision.
                   3892: #
3.120     scop     3893: sub download_link($$$;$)
                   3894: {
                   3895:   my ($url, $revision, $textlink, $mimetype) = @_;
                   3896:
3.175     scop     3897:   my $fullurl = download_url($url, $revision, $mimetype);
3.120     scop     3898:   $fullurl =~ s/:/sprintf("%%%02x", ord($&))/eg;
                   3899:
3.159     scop     3900:   printf '<a href="%s" class="download-link"', hrefquote("$fullurl$barequery");
3.120     scop     3901:
3.146     scop     3902:   if ($open_extern_window &&
                   3903:       (!defined($mimetype) || $mimetype !~ $CvsWebMarkupRE))
3.120     scop     3904:   {
                   3905:     print ' target="cvs_checkout"';
                   3906:
                   3907:     # we should have
                   3908:     #   'if (document.cvswin==null) document.cvswin=window.open(...'
                   3909:     # in order to allow the user to resize the window; otherwise
                   3910:     # the user may resize the window, but on next checkout - zap -
                   3911:     # its original (configured s. cvsweb.conf) size is back again
                   3912:     # .. annoying (if $extern_window_(width|height) is defined)
                   3913:     # but this if (..) solution is far from perfect
                   3914:     # what we need to do as well is
                   3915:     # 1) save cvswin in an invisible frame that always exists
                   3916:     #    (document.cvswin will be void on next load)
                   3917:     # 2) on close of the cvs_checkout - window set the cvswin
                   3918:     #    variable to 'null' again - so that it will be
                   3919:     #    reopenend with the configured size
                   3920:     # anyone a JavaScript programmer ?
                   3921:     # .. so here without if (..):
                   3922:     # currently, the best way is to comment out the size parameters
                   3923:     # ($extern_window...) in cvsweb.conf.
                   3924:     if ($use_java_script) {
3.159     scop     3925:       my @attr = qw(resizable scrollbars menubar);
3.120     scop     3926:
                   3927:       push @attr, qw(status toolbar)
                   3928:         if (defined($mimetype) && $mimetype eq "text/html");
                   3929:
                   3930:       push @attr, "width=$extern_window_width"
                   3931:         if (defined($extern_window_width));
                   3932:
                   3933:       push @attr, "height=$extern_window_height"
                   3934:         if (defined($extern_window_height));
                   3935:
                   3936:       # We need the "return false" here to prevent browsers
                   3937:       # from following the href after the onclick handler.
                   3938:       # This would effectively load the same document in
                   3939:       # the same window *twice*.
                   3940:       printf q` onclick="window.open('%s','cvs_checkout','%s');return false"`,
                   3941:         hrefquote("$fullurl$barequery"), join (',', @attr);
                   3942:     }
                   3943:   }
3.159     scop     3944:   print ">$textlink</a>";
3.132     scop     3945: }
                   3946:
3.170     scop     3947: sub graph_link($;$)
3.132     scop     3948: {
3.170     scop     3949:   my ($url, $text) = @_;
3.132     scop     3950:   $text ||= $graphicon;
3.170     scop     3951:   return sprintf('<a href="%s?graph=1%s">%s</a>',
                   3952:                  hrefquote($url), hrefquote($barequery), $text);
3.1       knu      3953: }
                   3954:
                   3955: # Returns a Query string with the
                   3956: # specified parameter toggled
3.140     scop     3957: sub toggleQuery($;$)
3.120     scop     3958: {
                   3959:   my ($toggle, $value) = @_;
3.133     scop     3960:
                   3961:   my %vars = %input;
3.120     scop     3962:
                   3963:   if (defined($value)) {
                   3964:     $vars{$toggle} = $value;
                   3965:   } else {
                   3966:     $vars{$toggle} = $vars{$toggle} ? 0 : 1;
                   3967:   }
                   3968:
                   3969:   # Build a new query of non-default paramenters
3.133     scop     3970:   my $newquery = "";
                   3971:   foreach my $var (@stickyvars) {
3.120     scop     3972:     my ($value)   = defined($vars{$var})         ? $vars{$var}         : "";
                   3973:     my ($default) = defined($DEFAULTVALUE{$var}) ? $DEFAULTVALUE{$var} : "";
                   3974:
                   3975:     if ($value ne $default) {
                   3976:       $newquery .= "&" if ($newquery ne "");
                   3977:       $newquery .= urlencode($var) . "=" . urlencode($value);
                   3978:     }
                   3979:   }
                   3980:
                   3981:   if ($newquery) {
                   3982:     return '?' . $newquery;
                   3983:   }
                   3984:   return "";
                   3985: }
                   3986:
                   3987: sub urlencode($)
                   3988: {
                   3989:   local ($_) = @_;
                   3990:   s/[\000-+{-\377]/sprintf("%%%02x", ord($&))/ge;
3.175     scop     3991:   return $_;
3.120     scop     3992: }
                   3993:
                   3994: sub htmlquote($)
                   3995: {
                   3996:   local ($_) = @_;
                   3997:   # Special Characters; RFC 1866
                   3998:   s/&/&amp;/g;
                   3999:   s/\"/&quot;/g;
                   4000:   s/</&lt;/g;
                   4001:   s/>/&gt;/g;
3.175     scop     4002:   return $_;
3.120     scop     4003: }
                   4004:
                   4005: sub htmlunquote($)
                   4006: {
                   4007:   local ($_) = @_;
                   4008:   # Special Characters; RFC 1866
                   4009:   s/&quot;/\"/g;
                   4010:   s/&lt;/</g;
                   4011:   s/&gt;/>/g;
                   4012:   s/&amp;/&/g;
3.175     scop     4013:   return $_;
3.120     scop     4014: }
                   4015:
                   4016: sub hrefquote($)
                   4017: {
                   4018:   local ($_) = @_;
                   4019:
                   4020:   y/ /+/;
                   4021:
                   4022:   htmlquote($_);
                   4023: }
                   4024:
3.163     scop     4025: sub http_header(;$$)
3.120     scop     4026: {
3.163     scop     4027:   my ($content_type, $moddate) = @_;
                   4028:   $content_type ||= 'text/html';
3.120     scop     4029:
                   4030:   $content_type .= "; charset=$charset"
3.163     scop     4031:     if ($charset && $content_type =~ m,^text/,);
3.120     scop     4032:
3.163     scop     4033:   if ($moddate) {
3.120     scop     4034:     if ($is_mod_perl) {
                   4035:       Apache->request->header_out(
                   4036:         "Last-Modified" => scalar gmtime($moddate) . " GMT");
                   4037:     } else {
                   4038:       print "Last-Modified: ", scalar gmtime($moddate), " GMT\r\n";
                   4039:     }
                   4040:   }
                   4041:
                   4042:   if ($is_mod_perl) {
                   4043:     Apache->request->content_type($content_type);
                   4044:   } else {
                   4045:     print "Content-Type: $content_type\r\n";
                   4046:   }
                   4047:
                   4048:   if ($allow_compress && $maycompress) {
                   4049:     if ($has_zlib
                   4050:         || (defined($CMD{gzip}) && open(GZIP, "| $CMD{gzip} -1 -c")))
                   4051:     {
                   4052:
                   4053:       if ($is_mod_perl) {
                   4054:         Apache->request->content_encoding("x-gzip");
                   4055:         Apache->request->header_out(Vary => "Accept-Encoding");
                   4056:         Apache->request->send_http_header;
                   4057:       } else {
                   4058:         print "Content-Encoding: x-gzip\r\n";
                   4059:         print "Vary: Accept-Encoding\r\n";    #RFC 2068, 14.43
                   4060:         print "\r\n";                         # Close headers
                   4061:       }
                   4062:       $| = 1;
                   4063:       $| = 0;                                 # Flush header output
                   4064:
                   4065:       if ($has_zlib) {
                   4066:         tie *GZIP, __PACKAGE__, \*STDOUT;
                   4067:       }
                   4068:       select(GZIP);
                   4069:       $gzip_open = 1;
                   4070:
3.149     scop     4071:       #     print "<!-- gzipped -->" if ($content_type =~ m|^text/html\b|);
3.120     scop     4072:     } else {
                   4073:       if ($is_mod_perl) {
                   4074:         Apache->request->send_http_header;
                   4075:       } else {
                   4076:         print "\r\n";    # Close headers
                   4077:       }
                   4078:       print
                   4079:         "<span style=\"font-size: smaller\">Unable to find gzip binary in the <b>\$command_path</b> ($command_path) to compress output</span><br>";
                   4080:     }
                   4081:   } else {
                   4082:
                   4083:     if ($is_mod_perl) {
                   4084:       Apache->request->send_http_header;
                   4085:     } else {
                   4086:       print "\r\n";      # Close headers
                   4087:     }
                   4088:   }
                   4089: }
                   4090:
3.131     scop     4091:
3.163     scop     4092: sub html_header($;$)
3.120     scop     4093: {
3.163     scop     4094:   my ($title, $moddate) = @_;
                   4095:   $title = htmlquote($title);
3.162     scop     4096:   my $l = $logo || '';
3.163     scop     4097:   http_header('text/html', $moddate);
3.120     scop     4098:   print <<EOH;
3.100     knu      4099: $HTML_DOCTYPE
3.1       knu      4100: <html>
3.40      knu      4101: <head>
3.134     scop     4102: <title>$title</title>
3.144     scop     4103: $HTML_META$CSS</head>
3.129     scop     4104: <body>
3.162     scop     4105: $l <h1 align="center">$title</h1>
3.1       knu      4106: EOH
                   4107: }
                   4108:
3.120     scop     4109: sub html_footer()
                   4110: {
3.177   ! scop     4111:   print "<hr>\n<address>$address</address>\n" if $address;
3.127     scop     4112:   print "</body>\n</html>\n";
3.1       knu      4113: }
                   4114:
3.120     scop     4115: sub link_tags($)
                   4116: {
                   4117:   my ($tags) = @_;
                   4118:   my ($ret)  = "";
                   4119:   my ($fileurl, $filename);
                   4120:
                   4121:   ($filename = $where) =~ s/^.*\///;
                   4122:   $fileurl = './' . urlencode($filename);
                   4123:
                   4124:   foreach my $sym (split (", ", $tags)) {
                   4125:     $ret .= ",\n" if ($ret ne "");
3.136     scop     4126:     $ret .= &link(htmlquote($sym),
                   4127:                   $fileurl . toggleQuery('only_with_tag', $sym));
3.120     scop     4128:   }
                   4129:   return "$ret\n";
3.1       knu      4130: }
                   4131:
3.175     scop     4132:
3.1       knu      4133: #
3.81      knu      4134: # See if a module is listed in the config file's @HideModules list.
3.1       knu      4135: #
3.120     scop     4136: sub forbidden_module($)
                   4137: {
                   4138:   my ($module) = @_;
3.175     scop     4139:   for my $hidden_re (@HideModules) {
                   4140:     return 1 if ($module =~ $hidden_re);
3.120     scop     4141:   }
                   4142:   return 0;
                   4143: }
                   4144:
3.175     scop     4145:
3.120     scop     4146: sub forbidden_file($)
                   4147: {
                   4148:   my ($path) = @_;
                   4149:   $path = substr($path, length($cvsroot) + 1);
3.175     scop     4150:   for my $forbidden_re (@ForbiddenFiles) {
                   4151:     return 1 if ($path =~ $forbidden_re);
3.120     scop     4152:   }
                   4153:   return 0;
3.174     scop     4154: }
                   4155:
                   4156:
                   4157: #
                   4158: # Starts a process using IPC::Run.  All arguments are passed to
                   4159: # IPC::Run::start() as-is.  Returns an array ($harness, $error) where
                   4160: # $harness is from IPC::Run if start() succeeds, undef otherwise.  In case
                   4161: # of an error, $error contains message.
                   4162: #
                   4163: sub startproc($@)
                   4164: {
                   4165:   my $h = undef;
                   4166:   eval {
                   4167:     local $^W = 0;
                   4168:     local $SIG{__DIE__};
                   4169:     $h = start(@_) or die("return code: $?");
                   4170:   };
                   4171:   my $err = $@ ? "Failed to run '@{$_[0]}': $@" : undef;
                   4172:   return ($h, $err);
3.129     scop     4173: }
                   4174:
3.25      knu      4175:
3.173     scop     4176: # Close the GZIP handle, and remove the tie.
3.120     scop     4177: sub gzipclose
                   4178: {
                   4179:   if ($gzip_open) {
                   4180:     select(STDOUT);
                   4181:     close(GZIP);
                   4182:     untie *GZIP;
                   4183:     $gzip_open = 0;
                   4184:   }
3.23      knu      4185: }
                   4186:
                   4187: # implement a gzipped file handle via the Compress:Zlib compression
                   4188: # library.
                   4189:
                   4190: sub MAGIC1() { 0x1f }
                   4191: sub MAGIC2() { 0x8b }
3.80      knu      4192: sub OSCODE() { 3 }
3.23      knu      4193:
3.120     scop     4194: sub TIEHANDLE
                   4195: {
                   4196:   my ($class, $out) = @_;
                   4197:   my ($d) = Compress::Zlib::deflateInit(
                   4198:     -Level      => Compress::Zlib::Z_BEST_COMPRESSION(),
                   4199:     -WindowBits => -Compress::Zlib::MAX_WBITS()
                   4200:     )
                   4201:     or return undef;
                   4202:   my ($o) = { handle => $out,
                   4203:               dh     => $d,
                   4204:               crc    => 0,
                   4205:               len    => 0,
                   4206:             };
                   4207:   my ($header) = pack("c10",
                   4208:                       MAGIC1, MAGIC2, Compress::Zlib::Z_DEFLATED(),
                   4209:                       0, 0, 0, 0, 0, 0, OSCODE);
                   4210:   print {$o->{handle}} $header;
                   4211:   return bless($o, $class);
                   4212: }
                   4213:
                   4214: sub PRINT
                   4215: {
                   4216:   my ($o)   = shift;
3.164     scop     4217:   my ($buf) = join (defined($,) ? $, : "", @_);
3.120     scop     4218:   my ($len) = length($buf);
                   4219:   my ($compressed, $status) = $o->{dh}->deflate($buf);
                   4220:   print {$o->{handle}} $compressed if defined($compressed);
                   4221:   $o->{crc} = Compress::Zlib::crc32($buf, $o->{crc});
                   4222:   $o->{len} += $len;
                   4223:   return $len;
                   4224: }
                   4225:
                   4226: sub PRINTF
                   4227: {
                   4228:   my ($o)   = shift;
                   4229:   my ($fmt) = shift;
                   4230:   my ($buf) = sprintf($fmt, @_);
                   4231:   my ($len) = length($buf);
                   4232:   my ($compressed, $status) = $o->{dh}->deflate($buf);
                   4233:   print {$o->{handle}} $compressed if defined($compressed);
                   4234:   $o->{crc} = Compress::Zlib::crc32($buf, $o->{crc});
                   4235:   $o->{len} += $len;
                   4236:   return $len;
                   4237: }
                   4238:
                   4239: sub WRITE
                   4240: {
                   4241:   my ($o, $buf, $len, $off) = @_;
                   4242:   my ($compressed, $status) = $o->{dh}->deflate(substr($buf, 0, $len));
                   4243:   print {$o->{handle}} $compressed if defined($compressed);
                   4244:   $o->{crc} = Compress::Zlib::crc32(substr($buf, 0, $len), $o->{crc});
                   4245:   $o->{len} += $len;
                   4246:   return $len;
                   4247: }
                   4248:
                   4249: sub CLOSE
                   4250: {
                   4251:   my ($o) = @_;
                   4252:   return if !defined($o->{dh});
                   4253:   my ($buf) = $o->{dh}->flush();
                   4254:   $buf .= pack("V V", $o->{crc}, $o->{len});
                   4255:   print {$o->{handle}} $buf;
                   4256:   undef $o->{dh};
                   4257: }
                   4258:
                   4259: sub DESTROY
                   4260: {
                   4261:   my ($o) = @_;
                   4262:   CLOSE($o);
1.1       jfieber  4263: }
3.149     scop     4264:
                   4265: # Local variables:
                   4266: # indent-tabs-mode: nil
                   4267: # cperl-indent-level: 2
                   4268: # End:

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