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Annotation of cvsweb/cvsweb.cgi, Revision 3.166

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
3.156     scop       91:   $MimeTypes
3.1       knu        92: );
                     93:
3.125     scop       94: # TODO:
                     95: #   Maybe "use filetest 'access'" on perl >= 5.6 for better -X checks.
                     96: #($] >= 5.006) and eval "use filetest 'access'";
                     97:
3.165     scop       98: use Cwd                   qw(abs_path);
                     99: use File::Basename        qw();
                    100: use File::Spec::Functions qw(catdir catfile devnull tmpdir);
                    101: use File::Temp            qw(tempdir);
                    102: use IO::Pipe              qw();
                    103: use IPC::Open2            qw(open2);
                    104: use Time::Local           qw();
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:
3.122     scop      138:   $is_mod_perl = defined($ENV{MOD_PERL});
                    139:
                    140:   $LOG_FILESEPARATOR = qr/^={77}$/o;
                    141:   $LOG_REVSEPARATOR  = qr/^-{28}$/o;
3.146     scop      142:
                    143:   $CvsWebMarkupRE = qr/^text\/(x-cvsweb|vnd\.viewcvs)-markup$/io;
3.122     scop      144: }
                    145:
                    146: # -----------------------------------------------------------------------------
                    147:
3.12      knu       148: sub printDiffSelect($);
3.37      knu       149: sub printDiffLinks($$);
                    150: sub printLogSortSelect($);
3.12      knu       151: sub findLastModifiedSubdirs(@);
3.36      knu       152: sub htmlify_sub(&$);
3.12      knu       153: sub htmlify($;$);
3.20      knu       154: sub spacedHtmlText($;$);
3.12      knu       155: sub link($$);
                    156: sub revcmp($$);
3.103     knu       157: sub fatal($$@);
3.12      knu       158: sub redirect($);
                    159: sub safeglob($);
3.58      knu       160: sub search_path($);
3.156     scop      161: sub getMimeType($;$);
3.24      knu       162: sub head($;$);
                    163: sub scan_directives(@);
3.86      knu       164: sub openOutputFilter();
3.133     scop      165: sub doAnnotate($);
3.12      knu       166: sub doCheckout($$);
3.132     scop      167: sub doGraph($);
                    168: sub doGraphView($);
3.163     scop      169: sub cvswebMarkup($$$;$);
3.12      knu       170: sub viewable($);
                    171: sub doDiff($$$$$$);
                    172: sub getDirLogs($$@);
                    173: sub readLog($;$);
                    174: sub printLog($;$);
                    175: sub doLog($);
                    176: sub flush_diff_rows($$$$);
3.144     scop      177: sub human_readable_diff($$);
3.163     scop      178: sub navigateHeader($$$$$;$);
3.12      knu       179: sub plural_write($$);
                    180: sub readableTime($$);
                    181: sub clickablePath($$);
                    182: sub chooseCVSRoot();
                    183: sub chooseMirror();
                    184: sub fileSortCmp();
                    185: sub download_url($$;$);
                    186: sub download_link($$$;$);
3.132     scop      187: sub graph_link($$;$);
3.140     scop      188: sub toggleQuery($;$);
3.12      knu       189: sub urlencode($);
3.35      knu       190: sub htmlquote($);
3.36      knu       191: sub htmlunquote($);
3.48      knu       192: sub hrefquote($);
3.163     scop      193: sub http_header(;$$);
                    194: sub html_header($;$);
3.12      knu       195: sub html_footer();
                    196: sub link_tags($);
3.81      knu       197: sub forbidden_file($);
3.12      knu       198: sub forbidden_module($);
                    199:
3.1       knu       200: ##### Start of Configuration Area ########
3.122     scop      201:
3.142     scop      202: # Get rid of unsafe environment vars.  Don't do this in BEGIN...
                    203: delete(@ENV{qw(PATH IFS CDPATH ENV BASH_ENV)});
3.59      knu       204:
3.122     scop      205: my ($mydir) = (File::Basename::dirname($0) =~ /(.*)/);    # untaint
3.58      knu       206:
3.12      knu       207: # == EDIT this ==
3.28      knu       208: # Locations to search for user configuration, in order:
3.165     scop      209: for (catfile($mydir, 'cvsweb.conf'), '/usr/local/etc/cvsweb/cvsweb.conf') {
                    210:   if (-r $_) {
3.120     scop      211:     $config = $_;
                    212:     last;
                    213:   }
3.11      knu       214: }
3.122     scop      215: undef $mydir;
3.1       knu       216:
                    217: # == Configuration defaults ==
                    218: # Defaults for configuration variables that shouldn't need
                    219: # to be configured..
                    220: $allow_version_select = 1;
3.120     scop      221: $allow_log_extra      = 1;
3.1       knu       222:
                    223: ##### End of Configuration Area   ########
                    224:
                    225: ######## Configuration variables #########
                    226: # These are defined to allow checking with perl -cw
3.120     scop      227:
3.80      knu       228: @CVSrepositories = @CVSROOT = %CVSROOT = %MIRRORS = %DEFAULTVALUE = %ICONS =
3.129     scop      229:   %MTYPES = %tags = %alltags = %fileinfo = ();
3.120     scop      230:
3.129     scop      231: $cvstreedefault = $logo = $defaulttitle =
3.120     scop      232:   $address = $long_intro = $short_instruction = $shortLogLen = $show_author =
3.131     scop      233:   $tablepadding = $hr_breakable = $showfunc = $hr_ignwhite =
3.129     scop      234:   $hr_ignkeysubst = $inputTextSize = $mime_types = $allow_annotate =
3.120     scop      235:   $allow_markup = $use_java_script = $open_extern_window =
                    236:   $extern_window_width = $extern_window_height = $edit_option_form =
3.144     scop      237:   $show_subdir_lastmod = $show_log_in_markup =
3.163     scop      238:   $tabstop = $use_moddate = $gzip_open = undef;
3.32      knu       239:
3.37      knu       240: @DIFFTYPES = qw(h H u c s);
                    241: @DIFFTYPES{@DIFFTYPES} = (
3.120     scop      242:   {
                    243:     'descr'   => 'colored',
                    244:     'opts'    => ['-u'],
                    245:     'colored' => 1,
                    246:   },
                    247:   {
                    248:     'descr'   => 'long colored',
                    249:     'opts'    => ['--unified=15'],
                    250:     'colored' => 1,
                    251:   },
                    252:   {
                    253:     'descr'   => 'unified',
                    254:     'opts'    => ['-u'],
                    255:     'colored' => 0,
                    256:   },
                    257:   {
                    258:     'descr'   => 'context',
                    259:     'opts'    => ['-c'],
                    260:     'colored' => 0,
                    261:   },
                    262:   {
                    263:     'descr'   => 'side by side',
                    264:     'opts'    => ['--side-by-side', '--width=164'],
                    265:     'colored' => 0,
                    266:   },
3.80      knu       267: );
3.37      knu       268:
                    269: @LOGSORTKEYS = qw(cvs date rev);
                    270: @LOGSORTKEYS{@LOGSORTKEYS} = (
3.120     scop      271:   {'descr' => 'Not sorted',},
                    272:   {'descr' => 'Commit date',},
                    273:   {'descr' => 'Revision',},
3.80      knu       274: );
3.37      knu       275:
3.1       knu       276: ##### End of configuration variables #####
                    277:
3.120     scop      278: $checkoutMagic =  "~checkout~";
                    279: $pathinfo      =  defined($ENV{PATH_INFO}) ? $ENV{PATH_INFO} : '';
                    280: $where         =  $pathinfo;
                    281: $doCheckout    =  ($where =~ m|^/$checkoutMagic/|);
                    282: $where         =~ s|^/$checkoutMagic/|/|;
                    283: $where         =~ s|^/||;
                    284: $scriptname    =  defined($ENV{SCRIPT_NAME}) ? $ENV{SCRIPT_NAME} : '';
                    285: $scriptname    =~ s|^/*|/|;
3.63      knu       286:
3.64      knu       287: # Let's workaround thttpd's stupidity..
3.63      knu       288: if ($scriptname =~ m|/$|) {
3.120     scop      289:   $pathinfo .= '/';
                    290:   my $re = quotemeta $pathinfo;
                    291:   $scriptname =~ s/$re$//;
3.63      knu       292: }
                    293:
3.120     scop      294: $scriptwhere  = $scriptname;
3.63      knu       295: $scriptwhere .= '/' . urlencode($where);
                    296: $where = '/' if ($where eq '');
3.3       knu       297:
3.1       knu       298: # in lynx, it it very annoying to have two links
                    299: # per file, so disable the link at the icon
                    300: # in this case:
3.120     scop      301: $Browser     = $ENV{HTTP_USER_AGENT} || '';
3.80      knu       302: $is_links    = ($Browser =~ m`^Links `);
                    303: $is_lynx     = ($Browser =~ m`^Lynx/`i);
                    304: $is_w3m      = ($Browser =~ m`^w3m/`i);
                    305: $is_msie     = ($Browser =~ m`MSIE`);
3.5       knu       306: $is_mozilla3 = ($Browser =~ m`^Mozilla/[3-9]`);
3.3       knu       307:
3.34      knu       308: $is_textbased = ($is_links || $is_lynx || $is_w3m);
3.5       knu       309:
                    310: $nofilelinks = $is_textbased;
3.1       knu       311:
                    312: # newer browsers accept gzip content encoding
                    313: # and state this in a header
                    314: # (netscape did always but didn't state it)
                    315: # It has been reported that these
                    316: #  braindamaged MS-Internet Exploders claim that they
                    317: # accept gzip .. but don't in fact and
                    318: # display garbage then :-/
3.23      knu       319: # Turn off gzip if running under mod_perl and no zlib is available,
                    320: # piping does not work as expected inside the server.
3.120     scop      321: $maycompress = (
                    322:   ((defined($ENV{HTTP_ACCEPT_ENCODING})
                    323:     && $ENV{HTTP_ACCEPT_ENCODING} =~ /gzip/)
                    324:    || $is_mozilla3)
                    325:   && !$is_msie
                    326:   && !($is_mod_perl && !$has_zlib)
                    327: );
3.1       knu       328:
                    329: # put here the variables we need in order
                    330: # to hold our state - they will be added (with
3.12      knu       331: # their current value) to any link/query string
3.1       knu       332: # you construct
3.149     scop      333: @stickyvars = qw(cvsroot hideattic ignorecase sortby logsort f only_with_tag
                    334:                  ln);
3.97      knu       335: @unsafevars = qw(logsort only_with_tag r1 r2 rev sortby tr1 tr2);
1.1       jfieber   336:
3.1       knu       337: if (-f $config) {
3.120     scop      338:   do "$config"
                    339:     or fatal("500 Internal Error",
                    340:              'Error in loading configuration file: %s<br><br>%s<br>',
                    341:              $config, $@);
3.27      knu       342: } else {
3.120     scop      343:   fatal("500 Internal Error",
                    344:         'Configuration not found.  Set the variable <code>$config</code> in cvsweb.cgi to your <b>cvsweb.conf</b> configuration file first.');
3.1       knu       345: }
                    346:
3.144     scop      347: $CSS = $cssurl ?
                    348:   sprintf("<link rel=\"stylesheet\" type=\"text/css\" href=\"%s\">\n",
                    349:           htmlquote($cssurl)) : '';
                    350:
3.1       knu       351: undef %input;
3.3       knu       352: $query = $ENV{QUERY_STRING};
                    353:
3.12      knu       354: if (defined($query) && $query ne '') {
3.120     scop      355:   foreach (split (/&/, $query)) {
                    356:     y/+/ /;
                    357:     s/%(..)/sprintf("%c", hex($1))/ge;    # unquote %-quoted
                    358:     if (/(\S+)=(.*)/) {
                    359:       $input{$1} = $2 if ($2 ne "");
                    360:     } else {
                    361:       $input{$_}++;
                    362:     }
                    363:   }
1.7       fenner    364: }
1.10      wosch     365:
3.12      knu       366: # For backwards compability, set only_with_tag to only_on_branch if set.
3.1       knu       367: $input{only_with_tag} = $input{only_on_branch}
3.120     scop      368:   if (defined($input{only_on_branch}));
3.97      knu       369:
3.154     scop      370: # Prevent cross-site scripting, untaint.
3.97      knu       371: foreach (@unsafevars) {
3.154     scop      372:   if (defined($input{$_})) {
                    373:     # Colons are needed in diffs between tags.
3.155     scop      374:     if ($input{$_} =~ /^([\w\-.:]*)$/) {
3.154     scop      375:       $input{$_} = $1;
                    376:     } else {
                    377:       fatal("500 Internal Error", 'Malformed query (%s=%s)', $_, $input{$_});
                    378:     }
3.120     scop      379:   }
3.97      knu       380: }
                    381:
                    382: if (defined($input{"content-type"})) {
3.146     scop      383:   fatal('500 Internal Error', 'Unsupported content-type')
                    384:     if ($input{"content-type"} !~ /^[-0-9A-Za-z]+\/[-0-9A-Za-z\.]+$/);
3.97      knu       385: }
1.10      wosch     386:
3.158     scop      387: #
                    388: # CVS roots
                    389: #
                    390: my $rootfound = 0;
                    391: for (my $i = 0; $i < scalar(@CVSrepositories); $i += 2) {
                    392:   my $key = $CVSrepositories[$i];
                    393:   my ($descr, $cvsroot) = @{$CVSrepositories[$i+1]};
                    394:   unless (-d $cvsroot) {
                    395:     warn("Root '$cvsroot' defined in \@CVSrepositories is not a directory, " .
                    396:          'entry ignored');
                    397:     next;
                    398:   }
                    399:   $rootfound ||= 1;
                    400:   $cvstreedefault = $key unless defined($cvstreedefault);
                    401:   $CVSROOTdescr{$key} = $descr;
                    402:   $CVSROOT{$key} = $cvsroot;
                    403:   push(@CVSROOT, $key);
                    404: }
                    405: unless ($rootfound) {
                    406:   fatal('500 Internal Error',
                    407:         'No valid CVS roots found!  See <code>@CVSrepositories</code> in ' .
                    408:         'your configuration file (<code>%s</code>).',
                    409:         $config);
                    410: }
                    411: undef $rootfound;
                    412:
                    413: #
                    414: # Default CVS root
                    415: #
                    416: if (!defined($CVSROOT{$cvstreedefault})) {
                    417:   fatal("500 Internal Error",
                    418:         '<code>$cvstreedefault</code> points to a repository (%s) not ' .
                    419:         'defined in <code>@CVSrepositories</code> in your configuration ' .
                    420:         'file (<code>%s</code>).',
                    421:         $cvstreedefault,
                    422:         $config);
                    423: }
                    424:
3.1       knu       425: $DEFAULTVALUE{'cvsroot'} = $cvstreedefault;
1.10      wosch     426:
3.120     scop      427: while (my ($key, $defval) = each %DEFAULTVALUE) {
3.80      knu       428:
3.120     scop      429:   # Replace not given parameters with defaults.
                    430:   next unless (defined($defval)
3.121     scop      431:                && (!defined($input{$key}) || $input{$key} eq ''));
3.120     scop      432:
                    433:   # Empty checkboxes in forms return nothing, so we define a helper variable
                    434:   # in these forms (copt) which indicates that we just set parameters with a
                    435:   # checkbox.
                    436:   if (defined($input{'copt'})) {
                    437:
                    438:     # 'copt' is defined -> the result of empty input checkbox
                    439:     # -> set to zero (disable) if default is a boolean (0|1).
                    440:     $input{$key} = 0 if ($defval eq '0' || $defval eq '1');
                    441:
                    442:   } else {
                    443:
                    444:     # 'copt' isn't defined --> empty input is not the result
                    445:     # of empty input checkbox --> set default.
                    446:     $input{$key} = $defval;
                    447:   }
1.10      wosch     448: }
3.12      knu       449:
3.1       knu       450: $barequery = "";
3.31      knu       451: my @barequery;
3.1       knu       452: foreach (@stickyvars) {
3.80      knu       453:
3.120     scop      454:   # construct a query string with the sticky non default parameters set
                    455:   if (defined($input{$_})
                    456:       && $input{$_} ne ''
                    457:       && !(defined($DEFAULTVALUE{$_}) && $input{$_} eq $DEFAULTVALUE{$_}))
                    458:   {
                    459:     push @barequery, join ('=', urlencode($_), urlencode($input{$_}));
                    460:   }
3.1       knu       461: }
3.80      knu       462:
3.1       knu       463: # is there any query ?
3.31      knu       464: if (@barequery) {
3.120     scop      465:   $barequery = join ('&', @barequery);
                    466:   $query     = "?$barequery";
                    467:   $barequery = "&$barequery";
3.80      knu       468: } else {
3.120     scop      469:   $query = "";
3.1       knu       470: }
3.31      knu       471: undef @barequery;
3.1       knu       472:
3.120     scop      473: if (defined($input{'path'})) {
                    474:   redirect("$scriptname/$input{path}$query");
3.57      knu       475: }
                    476:
3.1       knu       477: # get actual parameters
3.144     scop      478: {
                    479:   my $sortby = $input{sortby} || 'file';
                    480:   $bydate    = 0;
                    481:   $byrev     = 0;
                    482:   $byauthor  = 0;
                    483:   $bylog     = 0;
                    484:   $byfile    = 0;
                    485:   if ($sortby eq 'date') {
                    486:     $bydate = 1;
                    487:   } elsif ($sortby eq 'rev') {
                    488:     $byrev = 1;
                    489:   } elsif ($sortby eq 'author') {
                    490:     $byauthor = 1;
                    491:   } elsif ($sortby eq 'log') {
                    492:     $bylog = 1;
                    493:   } else {
                    494:     $byfile = 1;
                    495:   }
3.1       knu       496: }
                    497:
3.37      knu       498: $defaultDiffType = $input{'f'};
3.1       knu       499:
3.3       knu       500: $logsort = $input{'logsort'};
3.1       knu       501:
                    502: # alternate CVS-Tree, configured in cvsweb.conf
                    503: if ($input{'cvsroot'} && $CVSROOT{$input{'cvsroot'}}) {
3.120     scop      504:   $cvstree = $input{'cvsroot'};
3.1       knu       505: } else {
3.120     scop      506:   $cvstree = $cvstreedefault;
1.10      wosch     507: }
                    508:
3.1       knu       509: $cvsroot = $CVSROOT{$cvstree};
1.10      wosch     510:
3.1       knu       511: # create icons out of description
3.120     scop      512: foreach my $k (keys %ICONS) {
                    513:   my ($itxt, $ipath, $iwidth, $iheight) = @{$ICONS{$k}};
                    514:   no strict 'refs';
                    515:   if ($ipath) {
                    516:     ${"${k}icon"} =
                    517:       sprintf('<img src="%s" alt="%s" border="0" width="%d" height="%d">',
3.132     scop      518:               hrefquote($ipath), htmlquote($itxt), $iwidth, $iheight);
3.120     scop      519:   } else {
                    520:     ${"${k}icon"} = $itxt;
                    521:   }
1.24      wosch     522: }
                    523:
3.27      knu       524: my $config_cvstree = "$config-$cvstree";
                    525:
3.1       knu       526: # Do some special configuration for cvstrees
3.27      knu       527: if (-f $config_cvstree) {
3.120     scop      528:   do "$config_cvstree"
                    529:     or fatal("500 Internal Error",
                    530:              'Error in loading configuration file: %s<br><br>%s<br>',
                    531:              $config_cvstree, $@);
3.27      knu       532: }
3.31      knu       533: undef $config_cvstree;
3.1       knu       534:
3.120     scop      535: $re_prcategories  = '(?:' . join ('|', @prcategories) . ')' if @prcategories;
                    536: $re_prkeyword     = quotemeta($prkeyword) if defined($prkeyword);
                    537: $prcgi           .= '%s' if defined($prcgi) && $prcgi !~ /%s/;
1.24      wosch     538:
3.80      knu       539: $fullname         = "$cvsroot/$where";
3.1       knu       540:
3.63      knu       541: my $rewrite = 0;
                    542:
                    543: if ($pathinfo =~ m|//|) {
3.120     scop      544:   $pathinfo =~ y|/|/|s;
                    545:   $rewrite = 1;
3.63      knu       546: }
                    547:
3.120     scop      548: if (-d $fullname) {
                    549:   if ($pathinfo !~ m|/$|) {
                    550:     $pathinfo .= '/';
                    551:     $rewrite   = 1;
                    552:   }
                    553: } else {
                    554:   if ($pathinfo =~ m|/$|) {
                    555:     chop $pathinfo;
                    556:     $rewrite = 1;
                    557:   }
3.63      knu       558: }
                    559:
                    560: if ($rewrite) {
3.120     scop      561:   redirect($scriptname . urlencode($pathinfo) . $query);
3.1       knu       562: }
                    563:
3.63      knu       564: undef $rewrite;
                    565:
3.1       knu       566: if (!-d $cvsroot) {
3.120     scop      567:   fatal("500 Internal Error",
                    568:         '$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       569: }
                    570:
                    571: #
                    572: # See if the module is in our forbidden list.
                    573: #
                    574: $where =~ m:([^/]*):;
                    575: $module = $1;
                    576: if ($module && &forbidden_module($module)) {
3.120     scop      577:   fatal("403 Forbidden", 'Access to %s forbidden.', $where);
3.1       knu       578: }
3.46      knu       579:
                    580: #
                    581: # Handle tarball downloads before any headers are output.
                    582: #
                    583: if ($input{tarball}) {
3.120     scop      584:   fatal('403 Forbidden', 'Downloading tarballs is prohibited.')
                    585:     unless $allow_tar;
                    586:   my ($module)  =  ($where =~ m,^/?(.*),);    # untaint
                    587:   $module       =~ s,/([^/]*)$,,;
                    588:   my ($ext)     =  ($1 =~ /(\.tar\.gz|\.zip)$/);
                    589:   my ($basedir) =  ($module =~ m,([^/]+)$,);
                    590:
                    591:   if ($basedir eq '' || $module eq '') {
                    592:     fatal('500 Internal Error',
                    593:           'You cannot download the top level directory.');
                    594:   }
                    595:
3.138     scop      596:   my $tmpexportdir;
                    597:   eval {
                    598:     local $SIG{__DIE__};
3.165     scop      599:     $tmpexportdir = tempdir('.cvsweb.XXXXXXXX', TMPDIR => 1, CLEANUP => 1);
3.138     scop      600:   };
                    601:   if ($@) {
                    602:     fatal('500 Internal Error', 'Unable to make temporary directory: %s', $@);
                    603:   }
3.120     scop      604:
                    605:   my @fatal;
                    606:
                    607:   my $tag =
                    608:     (exists $input{only_with_tag} && length $input{only_with_tag})
                    609:     ? $input{only_with_tag}
                    610:     : 'HEAD';
                    611:
                    612:   $tag = 'HEAD' if $tag eq 'MAIN';
                    613:
                    614:   if (system($CMD{cvs},
                    615:              @cvs_options, '-Qd', $cvsroot, 'export', '-r', $tag, '-d',
3.165     scop      616:              catdir($tmpexportdir, $basedir), $module))
3.120     scop      617:   {
3.141     scop      618:     @fatal = ('500 Internal Error', 'cvs export failure: %s: %s', $!, $module);
3.120     scop      619:   } else {
                    620:     $| = 1;    # Essential to get the buffering right.
                    621:
                    622:     if ($ext eq '.tar.gz') {
                    623:       print "Content-Type: application/x-gzip\r\n\r\n";
                    624:
                    625:       system("$CMD{tar} @tar_options -cf - -C $tmpexportdir $basedir | $CMD{gzip} @gzip_options -c")
                    626:         and @fatal =
                    627:           ('500 Internal Error', 'tar zc failure: %s: %s', $!, $basedir);
                    628:     } elsif ($ext eq '.zip' && $CMD{zip}) {
                    629:       print "Content-Type: application/zip\r\n\r\n";
                    630:
                    631:       system("cd $tmpexportdir && $CMD{zip} @zip_options -r - $basedir")
                    632:         and @fatal =
                    633:           ('500 Internal Error', 'zip failure: %s: %s', $!, $basedir);
                    634:     } else {
                    635:       @fatal = ('500 Internal Error', 'unsupported file type');
                    636:     }
                    637:   }
3.46      knu       638:
3.138     scop      639:   # File::Temp's CLEANUP will handle cleanup of the temp dir for us.
3.46      knu       640:
3.120     scop      641:   &fatal(@fatal) if @fatal;
3.46      knu       642:
3.120     scop      643:   exit;
3.46      knu       644: }
                    645:
3.1       knu       646: ##############################
                    647: # View a directory
                    648: ###############################
3.46      knu       649: if (-d $fullname) {
3.120     scop      650:   my $dh = do { local (*DH); };
                    651:   opendir($dh, $fullname) or fatal("404 Not Found", '%s: %s', $where, $!);
                    652:   my @dir = readdir($dh);
                    653:   closedir($dh);
                    654:   my @subLevelFiles = findLastModifiedSubdirs(@dir)
                    655:     if ($show_subdir_lastmod);
3.150     scop      656:   my @unreadable = getDirLogs($cvsroot, $where, @subLevelFiles);
3.120     scop      657:
                    658:   if ($where eq '/') {
                    659:     html_header($defaulttitle);
                    660:     $long_intro =~ s/!!CVSROOTdescr!!/$CVSROOTdescr{$cvstree}/g;
                    661:     print $long_intro;
                    662:   } else {
                    663:     html_header($where);
                    664:     print $short_instruction;
                    665:   }
                    666:
3.165     scop      667:   if ($use_descriptions &&
                    668:       open(DESC, '<', catfile($cvsroot, 'CVSROOT', 'descriptions'))) {
3.120     scop      669:     while (<DESC>) {
                    670:       chomp;
                    671:       my ($dir, $description) = /(\S+)\s+(.*)/;
                    672:       $descriptions{$dir} = $description;
                    673:     }
                    674:     close(DESC);
                    675:   }
                    676:
                    677:   print "<p><a name=\"dirlist\"></a></p>\n";
                    678:
                    679:   # give direct access to dirs
                    680:   if ($where eq '/') {
                    681:     chooseMirror();
                    682:     chooseCVSRoot();
                    683:   } else {
                    684:     print "<p>Current directory: <b>", &clickablePath($where, 0), "</b></p>\n";
                    685:
3.153     scop      686:     print "<p>Current tag: <b>", htmlquote($input{only_with_tag}), "</b></p>\n"
3.120     scop      687:       if $input{only_with_tag};
                    688:
                    689:   }
                    690:
                    691:   print "<hr noshade>\n";
                    692:
3.131     scop      693:   my $infocols = 0;
                    694:
                    695:   print "<table class=\"dir\" width=\"100%\" cellspacing=\"1\" cellpadding=\"$tablepadding\">\n";
                    696:   $infocols++;
3.132     scop      697:   printf "<tr>\n<th class=\"dir-header%s\" colspan=\"2\">",
                    698:     $byfile ? '-sorted' : '';
3.131     scop      699:
                    700:   if ($byfile) {
                    701:     print 'File';
                    702:   } else {
                    703:     print &link('File',
                    704:                 sprintf('./%s#dirlist', toggleQuery('sortby', 'file')));
                    705:   }
                    706:   print "</th>\n";
3.120     scop      707:
3.131     scop      708:   # Do not display the other column headers if we do not have any files
                    709:   # with revision information.
                    710:   if (scalar(%fileinfo)) {
3.120     scop      711:     $infocols++;
3.131     scop      712:     printf '<th class="dir-header%s">', $byrev ? '-sorted' : '';
3.120     scop      713:
3.131     scop      714:     if ($byrev) {
                    715:       print 'Rev.';
3.120     scop      716:     } else {
3.131     scop      717:       print &link('Rev.',
                    718:                   sprintf('./%s#dirlist', toggleQuery('sortby', 'rev')));
3.120     scop      719:     }
                    720:     print "</th>\n";
3.131     scop      721:     $infocols++;
                    722:     printf '<th class="dir-header%s">', $bydate ? '-sorted' : '';
3.120     scop      723:
3.131     scop      724:     if ($bydate) {
                    725:       print 'Age';
                    726:     } else {
                    727:       print &link('Age',
                    728:                   sprintf('./%s#dirlist', toggleQuery('sortby', 'date')));
                    729:     }
                    730:     print "</th>\n";
3.120     scop      731:
3.131     scop      732:     if ($show_author) {
3.120     scop      733:       $infocols++;
3.131     scop      734:       printf '<th class="dir-header%s">', $byauthor ? '-sorted' : '';
3.120     scop      735:
3.131     scop      736:       if ($byauthor) {
                    737:         print 'Author';
3.120     scop      738:       } else {
3.131     scop      739:         print
                    740:           &link('Author',
                    741:                 sprintf('./%s#dirlist', toggleQuery('sortby', 'author')));
3.120     scop      742:       }
                    743:       print "</th>\n";
3.131     scop      744:     }
                    745:     $infocols++;
                    746:     printf '<th class="dir-header%s">', $bylog ? '-sorted' : '';
3.120     scop      747:
3.131     scop      748:     if ($bylog) {
                    749:       print 'Last log entry';
                    750:     } else {
                    751:       print &link('Last log entry',
                    752:                   sprintf('./%s#dirlist', toggleQuery('sortby', 'log')));
3.120     scop      753:     }
3.131     scop      754:     print "</th>\n";
                    755:   } elsif ($use_descriptions) {
                    756:     print "<th class=\"dir-header\">Description</th>\n";
                    757:     $infocols++;
3.120     scop      758:   }
3.131     scop      759:   print "</tr>\n";
                    760:
3.120     scop      761:   my $dirrow = 0;
                    762:
                    763:   my $i;
                    764:   lookingforattic:
                    765:   for ($i = 0; $i <= $#dir; $i++) {
                    766:     if ($dir[$i] eq "Attic") {
                    767:       last lookingforattic;
                    768:     }
                    769:   }
                    770:
                    771:   if (!$input{'hideattic'}
                    772:       && ($i <= $#dir)
                    773:       && opendir($dh, $fullname . '/Attic'))
                    774:   {
                    775:     splice(@dir, $i, 1, grep((s|^|Attic/|, !m|/\.|), readdir($dh)));
                    776:     closedir($dh);
                    777:   }
                    778:
                    779:   my $hideAtticToggleLink =
                    780:     $input{'hideattic'}
                    781:     ? ''
                    782:     : &link('[Hide]', sprintf('./%s#dirlist', &toggleQuery('hideattic')));
                    783:
                    784:   # Sort without the Attic/ pathname.
                    785:   # place directories first
                    786:
                    787:   my $attic;
                    788:   my $url;
                    789:   my $fileurl;
                    790:   my $filesexists;
                    791:   my $filesfound;
                    792:
                    793:   foreach my $file (sort { &fileSortCmp } @dir) {
                    794:
                    795:     next if ($file eq '.');
                    796:
                    797:     # ignore CVS lock and stale NFS files
                    798:     next if ($file =~ /^\#cvs\.|^,|^\.nfs/); # \# for XEmacs cperl-mode...
                    799:
                    800:     # Check whether to show the CVSROOT path
                    801:     next if ($input{'hidecvsroot'} && $file eq 'CVSROOT');
                    802:
                    803:     # Check whether the module is in the restricted list
                    804:     next if ($file && &forbidden_module($file));
                    805:
3.150     scop      806:     # Is it a directory?
                    807:     my $isdir = -d "$fullname/$file";
                    808:
                    809:     # Ignore non-readable files and directories?
                    810:     next if ($input{'hidenonreadable'} && (! -r _ || ($isdir && ! -x _)));
3.120     scop      811:
                    812:     if ($file =~ s|^Attic/||) {
3.131     scop      813:       $attic = ' (in&nbsp;the&nbsp;Attic)&nbsp;' . $hideAtticToggleLink;
3.120     scop      814:     } else {
                    815:       $attic = '';
                    816:     }
                    817:
3.150     scop      818:     if ($file eq '..' || $isdir) {
3.120     scop      819:       next if ($file eq '..' && $where eq '/');
3.152     scop      820:       my ($rev, $date, $log, $author, $filename, $keywordsubst) =
                    821:         @{$fileinfo{$file}} if (defined($fileinfo{$file}));
3.132     scop      822:       printf "<tr class=\"dir-row-%s\">\n<td colspan=\"2\">",
                    823:         ($dirrow % 2) ? 'even' : 'odd';
3.120     scop      824:
                    825:       if ($file eq '..') {
                    826:         $url = "../$query";
                    827:         if ($nofilelinks) {
                    828:           print $backicon;
                    829:         } else {
                    830:           print &link($backicon, $url);
                    831:         }
                    832:         print '&nbsp;', &link("Parent Directory", $url);
                    833:       } else {
                    834:         $url = './' . urlencode($file) . "/$query";
3.136     scop      835:         print '<a name="', hrefquote($file), '"></a>';
3.120     scop      836:
                    837:         if ($nofilelinks) {
                    838:           print $diricon;
                    839:         } else {
                    840:           print &link($diricon, $url);
                    841:         }
3.136     scop      842:         print '&nbsp;', &link(htmlquote("$file/"), $url), $attic;
3.120     scop      843:
                    844:         if ($file eq "Attic") {
                    845:           print "&nbsp; ";
                    846:           print &link('[Don\'t hide]',
                    847:                       sprintf('./%s#dirlist', &toggleQuery('hideattic')));
                    848:         }
                    849:       }
                    850:
                    851:       # Show last change in dir
                    852:       if ($filename) {
3.131     scop      853:         print "</td>\n<td>&nbsp;</td>\n<td>&nbsp;";
                    854:
3.120     scop      855:         if ($date) {
                    856:           print " <i>", readableTime(time() - $date, 0), "</i>";
                    857:         }
                    858:
                    859:         if ($show_author) {
3.136     scop      860:           print "</td>\n<td>&nbsp;", htmlquote($author);
3.120     scop      861:         }
3.131     scop      862:         print "</td>\n<td>&nbsp;";
3.120     scop      863:         $filename =~ s%^[^/]+/%%;
3.136     scop      864:         print htmlquote($filename), '/', $rev, '<br>';
3.120     scop      865:
                    866:         if ($log) {
                    867:           print '&nbsp;<span style="font-size: smaller">',
                    868:             &htmlify(substr($log, 0, $shortLogLen), $allow_dir_extra);
                    869:           print '...' if (length($log) > 80);
                    870:           print '</span>';
                    871:         }
                    872:       } else {
                    873:         my $dwhere = ($where ne '/' ? $where : '') . $file;
                    874:
                    875:         if ($use_descriptions && defined $descriptions{$dwhere}) {
3.131     scop      876:           print '<td colspan="', ($infocols - 1), '">&nbsp;';
3.120     scop      877:           print $descriptions{$dwhere};
                    878:
3.131     scop      879:         } elsif ($infocols > 1) {
3.120     scop      880:
                    881:           # close the row with the appropriate number of
                    882:           # columns, so that the vertical seperators are visible
                    883:           my ($cols) = $infocols;
                    884:           while ($cols > 1) {
                    885:             print "</td>\n<td>&nbsp;";
                    886:             $cols--;
                    887:           }
                    888:         }
                    889:       }
                    890:
3.131     scop      891:       print "</td>\n</tr>\n";
3.120     scop      892:       $dirrow++;
3.131     scop      893:
3.120     scop      894:     } elsif ($file =~ s/,v$//) {
                    895:
                    896:       # Skip forbidden files now so we'll give no hint
                    897:       # about their existence.  This should probably have
                    898:       # been done earlier, but it's straightforward here.
                    899:       next if forbidden_file("$fullname/$file");
                    900:
                    901:       $fileurl   = ($attic ? 'Attic/' : '') . urlencode($file);
                    902:       $url       = './' . $fileurl . $query;
                    903:       $filesexists++;
                    904:       next if (!defined($fileinfo{$file}));
3.152     scop      905:       my ($rev, $date, $log, $author, $filename, $keywordsubst) =
                    906:         @{$fileinfo{$file}};
3.156     scop      907:       my $isbinary = $keywordsubst eq 'b' ? 1 : 0;
3.120     scop      908:       $filesfound++;
3.156     scop      909:
3.132     scop      910:       printf "<tr class=\"dir-row-%s\">\n", ($dirrow % 2) ? 'even' : 'odd';
                    911:       printf '<td%s>', $allow_cvsgraph ? '' : ' colspan="2"';
3.120     scop      912:
3.156     scop      913:       my $icon = $isbinary ? $binfileicon : $fileicon;
3.120     scop      914:       if ($nofilelinks) {
3.152     scop      915:         print $icon;
3.120     scop      916:       } else {
3.152     scop      917:         print &link($icon, $url);
3.120     scop      918:       }
                    919:       print '&nbsp;', &link(htmlquote($file), $url), $attic;
3.132     scop      920:       if ($allow_cvsgraph) {
                    921:         print '</td><td>', &graph_link($fileurl, $rev);
                    922:       }
                    923:       print "</td>\n<td width=\"30\">&nbsp;";
3.120     scop      924:       download_link($fileurl, $rev, $rev,
3.156     scop      925:                     viewable(getMimeType($file, $isbinary)) ?
                    926:                     'text/x-cvsweb-markup' : undef);
3.131     scop      927:       print "</td>\n<td>&nbsp;";
3.120     scop      928:
                    929:       if ($date) {
                    930:         print " <i>", readableTime(time() - $date, 0), "</i>";
                    931:       }
                    932:       if ($show_author) {
3.136     scop      933:         print "</td>\n<td>&nbsp;", htmlquote($author);
3.120     scop      934:       }
3.131     scop      935:       print "</td>\n<td>&nbsp;";
3.120     scop      936:
                    937:       if ($log) {
                    938:         print ' <span style="font-size: smaller">',
                    939:           &htmlify(substr($log, 0, $shortLogLen), $allow_dir_extra);
                    940:         print '...' if (length $log > 80);
                    941:         print '</span>';
                    942:       }
3.131     scop      943:       print "</td>\n</tr>";
3.120     scop      944:       $dirrow++;
                    945:     }
                    946:     print "\n";
                    947:   }
                    948:
3.131     scop      949:   print "</table>\n";
3.120     scop      950:
3.150     scop      951:   if ((my $num = scalar(@unreadable)) && ! $input{hidenonreadable}) {
                    952:     printf(<<EOF, $num, htmlquote(join(', ', @unreadable)));
                    953: <p>
                    954:  <b>NOTE:</b> The following %d unreadable files were ignored:<br>
                    955:  <em>%s</em>
                    956: </p>
                    957: EOF
                    958:   }
                    959:
3.120     scop      960:   if ($filesexists && !$filesfound) {
3.150     scop      961:     my $currtag = defined($input{only_with_tag}) ?
                    962:       sprintf(' (%s)', htmlquote($input{only_with_tag})) : '';
                    963:     printf(<<EOF, $filesexists, $currtag);
                    964: <p>
                    965:  <b>NOTE:</b> There are %d files, but none matches the current tag%s.
                    966: </p>
                    967: EOF
3.120     scop      968:   }
                    969:
                    970:   if ($input{only_with_tag} && (!%tags || !$tags{$input{only_with_tag}})) {
                    971:     %tags = %alltags;
                    972:   }
                    973:
                    974:   if (scalar %tags
                    975:       || $input{only_with_tag}
                    976:       || $edit_option_form
                    977:       || defined($input{"options"}))
                    978:   {
                    979:     print "<hr size=\"1\" noshade>\n";
                    980:   }
                    981:
                    982:   if (scalar %tags || $input{only_with_tag}) {
                    983:     print "<form method=\"get\" action=\"./\">\n";
                    984:     foreach my $var (@stickyvars) {
3.154     scop      985:       printf("<input type=\"hidden\" name=\"$var\" value=\"%s\">\n",
                    986:              htmlquote($input{$var}))
3.120     scop      987:         if (defined($input{$var})
                    988:             && (!defined($DEFAULTVALUE{$var})
                    989:                 || $input{$var} ne $DEFAULTVALUE{$var})
                    990:             && $input{$var} ne ""
                    991:             && $var ne 'only_with_tag');
                    992:     }
                    993:     print "<p><label for=\"only_with_tag\" accesskey=\"T\">";
                    994:     print "Show only files with tag:</label>\n";
                    995:     print "<select id=\"only_with_tag\" name=\"only_with_tag\"";
                    996:     print " onchange=\"this.form.submit()\"" if $use_java_script;
                    997:     print ">";
                    998:     print "<option value=\"\">All tags / default branch</option>\n";
                    999:
                   1000:     foreach my $tag (reverse sort { lc $a cmp lc $b } keys %tags) {
3.136     scop     1001:       my $selected =
                   1002:         defined($input{only_with_tag}) && $input{only_with_tag} eq $tag;
                   1003:       printf("<option%s>%s</option>\n",
                   1004:              $selected ? ' selected' : '',
                   1005:              htmlquote($tag));
3.120     scop     1006:     }
                   1007:     print "</select>\n";
                   1008:     print " <label for=\"path\" accesskey=\"P\">";
                   1009:     print "Module path or alias:</label>\n";
                   1010:     printf "<input type=\"text\" id=\"path\" name=\"path\" value=\"%s\" size=\"15\">\n", htmlquote($where);
                   1011:     print "<input type=\"submit\" value=\"Go\" accesskey=\"G\"></p>\n";
                   1012:     print "</form>\n";
                   1013:   }
                   1014:
                   1015:   if ($allow_tar) {
                   1016:     my ($basefile) = ($where =~ m,(?:.*/)?([^/]+),);
                   1017:
                   1018:     if (defined($basefile) && $basefile ne '') {
                   1019:       print "<hr noshade>\n",
                   1020:         "<div align=\"center\">Download this directory in ";
                   1021:
                   1022:       # Mangle the filename so browsers show a reasonable
                   1023:       # filename to download.
                   1024:       print
                   1025:         &link("tarball",
                   1026:               "./$basefile.tar.gz$query" . ($query ? "&" : "?") . "tarball=1");
                   1027:       if ($CMD{zip}) {
                   1028:         print " or ",
                   1029:           &link("zip archive",
                   1030:                 "./$basefile.zip$query" . ($query ? "&" : "?") . "tarball=1");
                   1031:       }
                   1032:       print "</div>\n";
                   1033:     }
                   1034:   }
                   1035:
                   1036:   if ($edit_option_form || defined($input{"options"})) {
                   1037:
                   1038:     my $formwhere = $scriptwhere;
                   1039:     $formwhere =~ s|Attic/?$|| if ($input{'hideattic'});
                   1040:
3.149     scop     1041:     print <<EOF;
                   1042: <form method="get" action="${formwhere}">
                   1043: <input type="hidden" name="copt" value="1">
                   1044: EOF
3.120     scop     1045:     if ($cvstree ne $cvstreedefault) {
                   1046:       print "<input type=\"hidden\" name=\"cvsroot\" value=\"$cvstree\">\n";
                   1047:     }
3.149     scop     1048:     print <<EOF;
                   1049: <center>
                   1050: <table cellpadding="0" cellspacing="0">
                   1051: <tr class="dir-header">
                   1052:  <th style="text-align: center">Preferences</th>
                   1053: </tr>
                   1054: <tr>
                   1055: <td>
                   1056: <label for="sortby" accesskey="F">Sort files by:
                   1057: <select id="sortby" name="sortby">
                   1058: <option value="">File</option>
                   1059: EOF
3.120     scop     1060:     print "<option", $bydate ? " selected" : "",
                   1061:       " value=\"date\">Age</option>\n";
                   1062:     print "<option", $byauthor ? " selected" : "",
                   1063:       " value=\"author\">Author</option>\n"
3.140     scop     1064:         if $show_author;
3.120     scop     1065:     print "<option", $byrev ? " selected" : "",
                   1066:       " value=\"rev\">Revision</option>\n";
                   1067:     print "<option", $bylog ? " selected" : "",
                   1068:       " value=\"log\">Log message</option>\n";
3.140     scop     1069:     print "</select></label>,\n";
                   1070:     print '<label for="ignorecase" accesskey="I">case-insensitive: ';
                   1071:     print "<input id=\"ignorecase\" name=\"ignorecase\" type=\"checkbox\"",
                   1072:       $input{'ignorecase'} ? " checked" : "", " value=\"1\"></label>\n";
                   1073:     print "<label for=\"logsort\" accesskey=\"L\">Sort log by: ";
3.120     scop     1074:     printLogSortSelect(0);
3.140     scop     1075:     print "</label></td>\n</tr>\n";
                   1076:     print "<tr>\n<td><label for=\"f\" accesskey=\"D\">Diff format: ";
3.120     scop     1077:     printDiffSelect(0);
3.140     scop     1078:     print '</label> ';
                   1079:     print '<label for="hideattic" accesskey="A">Hide files in Attic: ';
3.120     scop     1080:     print "<input id=\"hideattic\" name=\"hideattic\" type=\"checkbox\"",
3.149     scop     1081:       $input{'hideattic'} ? ' checked' : '',
                   1082:         " value=\"1\"></label></td>\n</tr>\n";
                   1083:     print "<tr>\n<td><label for=\"ln\" accesskey=\"N\">Show line numbers: ";
                   1084:     print "<input id=\"ln\" name=\"ln\" type=\"checkbox\"",
                   1085:       $input{ln} ? ' checked' : '', " value=\"1\"></label></td>\n</tr>\n";
                   1086:     print <<EOF;
                   1087: <tr>
                   1088:  <td align="center">
                   1089:   <input type="submit" value="Change Options" accesskey="C">
                   1090:  </td>
                   1091: </tr>
                   1092: </table>
                   1093: </center>
                   1094: </form>
                   1095: EOF
3.120     scop     1096:   }
                   1097:   html_footer();
3.80      knu      1098: }
3.1       knu      1099:
                   1100: ###############################
                   1101: # View Files
                   1102: ###############################
3.80      knu      1103: elsif (-f $fullname . ',v') {
3.114     scop     1104:
3.120     scop     1105:   if (forbidden_file($fullname)) {
                   1106:     fatal('403 Forbidden',
                   1107:           'Access forbidden.  This file is mentioned in @ForbiddenFiles');
                   1108:     return;
                   1109:   }
                   1110:
                   1111:   if (defined($input{'rev'}) || $doCheckout) {
                   1112:     &doCheckout($fullname, $input{'rev'});
                   1113:     gzipclose();
                   1114:     exit;
                   1115:   }
                   1116:
                   1117:   if (defined($input{'annotate'}) && $allow_annotate) {
                   1118:     &doAnnotate($input{'annotate'});
                   1119:     gzipclose();
                   1120:     exit;
                   1121:   }
                   1122:
                   1123:   if (defined($input{'r1'}) && defined($input{'r2'})) {
                   1124:     &doDiff($fullname,    $input{'r1'},  $input{'tr1'},
                   1125:             $input{'r2'}, $input{'tr2'}, $input{'f'});
                   1126:     gzipclose();
                   1127:     exit;
                   1128:   }
3.132     scop     1129:
                   1130:   if (defined($input{'graph'}) && $allow_cvsgraph) {
                   1131:     if (defined($input{'makeimage'})) {
                   1132:       &doGraph($input{'graph'});
                   1133:     } else {
                   1134:       &doGraphView($input{'graph'});
                   1135:     }
                   1136:     gzipclose();
                   1137:     exit;
                   1138:   }
                   1139:
3.120     scop     1140:   &doLog($fullname);
                   1141:
                   1142:   ##############################
                   1143:   # View Diff
                   1144:   ##############################
                   1145: } elsif ($fullname =~ s/\.diff$//
                   1146:          && -f $fullname . ",v"
                   1147:          && $input{'r1'}
                   1148:          && $input{'r2'})
                   1149: {
                   1150:
                   1151:   # $where-diff-removal if 'cvs rdiff' is used
                   1152:   # .. but 'cvs rdiff'doesn't support some options
                   1153:   # rcsdiff does (-w and -p), so it is disabled
                   1154:   # $where =~ s/\.diff$//;
                   1155:
                   1156:   # Allow diffs using the ".diff" extension
                   1157:   # so that browsers that default to the URL
                   1158:   # for a save filename don't save diff's as
                   1159:   # e.g. foo.c
                   1160:   &doDiff($fullname,    $input{'r1'},  $input{'tr1'},
                   1161:           $input{'r2'}, $input{'tr2'}, $input{'f'});
                   1162:   gzipclose();
                   1163:   exit;
                   1164: } elsif (($newname = $fullname) =~ s|/([^/]+)$|/Attic/$1|
                   1165:   && -f $newname . ",v")
                   1166: {
                   1167:
                   1168:   # The file has been removed and is in the Attic.
                   1169:   # Send a redirect pointing to the file in the Attic.
                   1170:   (my $newplace = $scriptwhere) =~ s|/([^/]+)$|/Attic/$1|;
                   1171:   if ($ENV{QUERY_STRING} ne "") {
                   1172:     redirect("${newplace}?$ENV{QUERY_STRING}");
                   1173:   } else {
                   1174:     redirect($newplace);
                   1175:   }
                   1176:   exit;
3.80      knu      1177: } elsif (0 && (my @files = &safeglob($fullname . ",v"))) {
3.120     scop     1178:   http_header("text/plain");
                   1179:   print "You matched the following files:\n";
                   1180:   print join ("\n", @files);
3.80      knu      1181:
3.120     scop     1182:   # Find the tags from each file
                   1183:   # Display a form offering diffs between said tags
3.80      knu      1184: } else {
3.120     scop     1185:   my $fh = do { local (*FH); };
                   1186:   my ($xtra, $module);
3.80      knu      1187:
3.120     scop     1188:   # Assume it's a module name with a potential path following it.
                   1189:   $xtra = (($module = $where) =~ s|/.*||) ? $& : '';
3.80      knu      1190:
3.120     scop     1191:   # Is there an indexed version of modules?
                   1192:   if (open($fh, "< $cvsroot/CVSROOT/modules")) {
                   1193:     while (<$fh>) {
                   1194:       if (/^(\S+)\s+(\S+)/o
                   1195:           && $module eq $1
                   1196:           && -d "$cvsroot/$2"
                   1197:           && $module ne $2)
                   1198:       {
                   1199:         redirect("$scriptname/$2$xtra$query");
                   1200:       }
                   1201:     }
                   1202:   }
                   1203:   fatal("404 Not Found", '%s: no such file or directory', $where);
3.80      knu      1204: }
3.23      knu      1205:
3.25      knu      1206: gzipclose();
3.80      knu      1207:
3.1       knu      1208: ## End MAIN
                   1209:
3.120     scop     1210: sub printDiffSelect($)
                   1211: {
                   1212:   my ($use_java_script) = @_;
                   1213:   my $f = $input{'f'};
                   1214:
                   1215:   print '<select id="f" name="f"';
                   1216:   print ' onchange="this.form.submit()"' if $use_java_script;
                   1217:   print ">\n";
                   1218:
                   1219:   local $_;
                   1220:   for (@DIFFTYPES) {
                   1221:     printf("<option value=\"%s\"%s>%s</option>\n",
                   1222:            $_, $f eq $_ ? ' selected' : '',
                   1223:            "\u$DIFFTYPES{$_}{'descr'}");
                   1224:   }
                   1225:
                   1226:   print "</select>";
                   1227: }
                   1228:
                   1229: sub printLogSortSelect($)
                   1230: {
                   1231:   my ($use_java_script) = @_;
                   1232:
                   1233:   print '<select id="logsort" name="logsort"';
                   1234:   print ' onchange="this.form.submit()"' if $use_java_script;
                   1235:   print ">\n";
                   1236:
                   1237:   local $_;
                   1238:   for (@LOGSORTKEYS) {
                   1239:     printf("<option value=\"%s\"%s>%s</option>\n",
                   1240:            $_, $logsort eq $_ ? ' selected' : '',
                   1241:            "\u$LOGSORTKEYS{$_}{'descr'}");
                   1242:   }
                   1243:
                   1244:   print "</select>";
                   1245: }
                   1246:
                   1247: sub findLastModifiedSubdirs(@)
                   1248: {
                   1249:   my (@dirs) = @_;
                   1250:   my ($dirname, @files);
                   1251:
                   1252:   foreach $dirname (@dirs) {
                   1253:     next if ($dirname eq ".");
                   1254:     next if ($dirname eq "..");
                   1255:     my ($dir) = "$fullname/$dirname";
                   1256:     next if (!-d $dir);
                   1257:
                   1258:     my ($lastmod)     = undef;
                   1259:     my ($lastmodtime) = undef;
                   1260:     my $dh = do { local (*DH); };
                   1261:
                   1262:     opendir($dh, $dir) or next;
                   1263:     my (@filenames) = readdir($dh);
                   1264:     closedir($dh);
                   1265:
                   1266:     foreach my $filename (@filenames) {
                   1267:       $filename = "$dirname/$filename";
                   1268:       my ($file) = "$fullname/$filename";
                   1269:       next if ($filename !~ /,v$/ || !-f $file);
                   1270:
                   1271:       # Skip forbidden files.
                   1272:       (my $f = $file) =~ s/,v$//;
                   1273:       next if forbidden_file($f);
                   1274:
                   1275:       $filename =~ s/,v$//;
                   1276:       my $modtime = -M $file;
                   1277:
                   1278:       if (!defined($lastmod) || $modtime < $lastmodtime) {
                   1279:         $lastmod     = $filename;
                   1280:         $lastmodtime = $modtime;
                   1281:       }
                   1282:     }
                   1283:     push (@files, $lastmod) if (defined($lastmod));
                   1284:   }
                   1285:   return @files;
                   1286: }
                   1287:
                   1288: sub htmlify_sub(&$)
                   1289: {
                   1290:   (my $proc, local $_) = @_;
                   1291:   my @a = split (m`(<a [^>]+>[^<]*</a>)`i);
                   1292:   my $linked;
                   1293:   my $result = '';
                   1294:
                   1295:   while (($_, $linked) = splice(@a, 0, 2)) {
                   1296:     &$proc();
                   1297:     $result .= $_      if defined($_);
                   1298:     $result .= $linked if defined($linked);
                   1299:   }
                   1300:
                   1301:   $result;
                   1302: }
                   1303:
                   1304: sub htmlify($;$)
                   1305: {
                   1306:   (local $_, my $extra) = @_;
                   1307:
                   1308:   $_ = htmlquote($_);
                   1309:
                   1310:   # get URL's as link
                   1311:   s{
3.130     scop     1312:     ((https?|ftp)://.+?)([\s\']|&(quot|[lg]t);)
3.120     scop     1313:    }{
3.130     scop     1314:      &link($1, htmlunquote($1)) . $3
3.120     scop     1315:    }egx;
                   1316:
                   1317:   # get e-mails as link
                   1318:   $_ = htmlify_sub {
                   1319:     s<
                   1320:       [\w+=\-.!]+@[\w\-]+(\.[\w\-]+)+
                   1321:      ><
                   1322:        &link($&, "mailto:$&")
                   1323:      >egix;
                   1324:   } $_;
                   1325:
                   1326:   if ($extra) {
                   1327:
                   1328:     # get PR #'s as link: "PR#nnnn" "PR: nnnn, ..." "PR nnnn, ..." "bin/nnnn"
                   1329:     if (defined($prcgi) && defined($re_prkeyword)) {
                   1330:       my $prev;
                   1331:
                   1332:       do {
                   1333:         $prev = $_;
                   1334:
                   1335:         $_ = htmlify_sub {
                   1336:           s{
                   1337:             (\b$re_prkeyword[:\#]?\s*
                   1338:              (?:
                   1339:               \#?
                   1340:               \d+[,\s]\s*
                   1341:              )*
                   1342:              \#?)
                   1343:             (\d+)\b
                   1344:            }{
                   1345:              $1 . &link($2, sprintf($prcgi, $2))
                   1346:            }egix;
                   1347:         } $_;
                   1348:       } while ($_ ne $prev);
                   1349:
                   1350:       if (defined($re_prcategories)) {
                   1351:         $_ = htmlify_sub {
                   1352:           s{
                   1353:             (\b$re_prcategories/(\d+)\b)
                   1354:            }{
                   1355:              &link($1, sprintf($prcgi, $2))
                   1356:            }egox;
                   1357:         } $_;
                   1358:       }
                   1359:     }
                   1360:
                   1361:     # get manpage specs as link: "foo.1" "foo(1)"
                   1362:     if (defined($mancgi)) {
                   1363:       $_ = htmlify_sub {
                   1364:         s{
3.143     knu      1365:           (
                   1366:            \b ( \w[\w+\-.]* (?: ::\w[\w+\-.]*)* )
3.120     scop     1367:            (?:
3.143     knu      1368:             \( ([0-9n]) \) \B
3.120     scop     1369:             |
3.143     knu      1370:             \. ([0-9n]) \b
3.120     scop     1371:            )
                   1372:           )
                   1373:          }{
3.149     scop     1374:             my($text, $name, $section) = ($1, $2, defined($3) ? $3 : $4);
                   1375:             ($name =~ /[A-Za-z]/ && $name !~ /\.(:|$)/)
                   1376:              ? &link($text, sprintf($mancgi, $section, $name))
                   1377:               : $text;
3.120     scop     1378:          }egx;
                   1379:       } $_;
                   1380:     }
                   1381:   }
                   1382:
                   1383:   $_;
                   1384: }
                   1385:
                   1386: sub spacedHtmlText($;$)
                   1387: {
                   1388:   local $_ = $_[0];
                   1389:   my $ts = $_[1] || $tabstop;
                   1390:
                   1391:   # Cut trailing spaces and tabs
                   1392:   s/[ \t]+$//;
                   1393:
                   1394:   if (defined($ts)) {
                   1395:
                   1396:     # Expand tabs
                   1397:     1 while s/\t+/' ' x (length($&) * $ts - length($`) % $ts)/e;
                   1398:   }
                   1399:
                   1400:   # replace <tab> and <space> (\001 is to protect us from htmlify)
                   1401:   # gzip can make excellent use of this repeating pattern :-)
                   1402:   if ($hr_breakable) {
                   1403:
                   1404:     # make every other space 'breakable'
                   1405:     s/  / \001nbsp;/g;    # 2 * <space>
                   1406:                           # leave single space as it is
                   1407:   } else {
                   1408:     s/ /\001nbsp;/g;
                   1409:   }
                   1410:
                   1411:   $_ = htmlify($_, $allow_source_extra);
                   1412:
                   1413:   # unescape
                   1414:   y/\001/&/;
                   1415:
                   1416:   return $_;
                   1417: }
                   1418:
                   1419: # Note that this doesn't htmlquote the first argument...
                   1420: sub link($$)
                   1421: {
                   1422:   my ($name, $url) = @_;
                   1423:
                   1424:   $url =~ s/:/sprintf("%%%02x", ord($&))/eg
                   1425:     if $url =~ /^[^a-z]/;    # relative
                   1426:
                   1427:   sprintf '<a href="%s">%s</a>', hrefquote($url), $name;
                   1428: }
                   1429:
                   1430: sub revcmp($$)
                   1431: {
                   1432:   my ($rev1, $rev2) = @_;
                   1433:
                   1434:   # make no comparison for a tag or a branch
                   1435:   return 0 if $rev1 =~ /[^\d.]/ || $rev2 =~ /[^\d.]/;
                   1436:
                   1437:   my (@r1) = split (/\./, $rev1);
                   1438:   my (@r2) = split (/\./, $rev2);
                   1439:   my ($a, $b);
                   1440:
                   1441:   while (($a = shift (@r1)) && ($b = shift (@r2))) {
                   1442:     if ($a != $b) {
                   1443:       return $a <=> $b;
                   1444:     }
                   1445:   }
                   1446:   if (@r1) { return  1; }
                   1447:   if (@r2) { return -1; }
                   1448:   return 0;
                   1449: }
                   1450:
                   1451: sub fatal($$@)
                   1452: {
                   1453:   my ($errcode, $format, @args) = @_;
                   1454:   if ($is_mod_perl) {
                   1455:     Apache->request->status((split (/ /, $errcode))[0]);
                   1456:   } else {
                   1457:     print "Status: $errcode\r\n";
                   1458:   }
3.131     scop     1459:   html_header('Error');
3.120     scop     1460:   print "<p>Error: ", sprintf($format, map(htmlquote($_), @args)), "</p>\n";
                   1461:   html_footer();
                   1462:   exit(1);
                   1463: }
                   1464:
                   1465: sub redirect($)
                   1466: {
                   1467:   my ($url) = @_;
                   1468:   if ($is_mod_perl) {
                   1469:     Apache->request->status(301);
                   1470:     Apache->request->header_out(Location => $url);
                   1471:   } else {
                   1472:     print "Status: 301 Moved\r\n";
                   1473:     print "Location: $url\r\n";
                   1474:   }
3.131     scop     1475:   html_header('Moved');
3.120     scop     1476:   print "<p>This document is located ", &link('here', $url), "</p>\n";
                   1477:   html_footer();
                   1478:   exit(1);
                   1479: }
                   1480:
                   1481: sub safeglob($)
                   1482: {
                   1483:   my ($filename) = @_;
                   1484:   my ($dirname);
                   1485:   my (@results);
                   1486:   my $dh = do { local (*DH); };
                   1487:
                   1488:   ($dirname = $filename) =~ s|/[^/]+$||;
                   1489:   $filename =~ s|.*/||;
                   1490:
                   1491:   if (opendir($dh, $dirname)) {
                   1492:     my $glob = $filename;
                   1493:     my $t;
                   1494:
3.149     scop     1495:     #   transform filename from glob to regex.  Deal with:
                   1496:     #   [, {, ?, * as glob chars
                   1497:     #   make sure to escape all other regex chars
3.120     scop     1498:     $glob =~ s/([\.\(\)\|\+])/\\$1/g;
                   1499:     $glob =~ s/\*/.*/g;
                   1500:     $glob =~ s/\?/./g;
                   1501:     $glob =~ s/{([^}]+)}/($t = $1) =~ s-,-|-g; "($t)"/eg;
                   1502:     foreach (readdir($dh)) {
                   1503:
                   1504:       if (/^${glob}$/) {
                   1505:         push (@results, "$dirname/" . $_);
                   1506:       }
                   1507:     }
                   1508:     closedir($dh);
                   1509:   }
                   1510:
                   1511:   @results;
                   1512: }
                   1513:
3.160     scop     1514:
3.120     scop     1515: sub search_path($)
                   1516: {
                   1517:   my ($command) = @_;
3.160     scop     1518:   for my $d (split (/:/, $command_path)) {
3.120     scop     1519:     return "$d/$command" if -x "$d/$command";
                   1520:   }
                   1521:   return '';
                   1522: }
                   1523:
3.156     scop     1524:
                   1525: sub getMimeType($;$)
3.120     scop     1526: {
3.156     scop     1527:   my ($fullname, $binary) = @_;
                   1528:   $binary = ($keywordsubstitution && $keywordsubstitution =~ /b/)
                   1529:     unless defined($binary);
                   1530:
                   1531:   (my $suffix = $fullname) =~ s/^.*\.([^.]*)$/$1/;
                   1532:
                   1533:   my $mimetype = $MTYPES{$suffix};
                   1534:   $mimetype  ||= $MimeTypes->mimeTypeOf($fullname) if defined($MimeTypes);
                   1535:
                   1536:   if (!$mimetype && $suffix ne '*' && -f $mime_types && -r _) {
                   1537:     my $fh = do { local (*FH); };
                   1538:     if (open($fh, $mime_types)) {
                   1539:       my $re = sprintf('^\s*(\S+\/\S+)\s.+\b%s\b', quotemeta($suffix));
                   1540:       while (my $line = <$fh>) {
                   1541:         if ($line =~ $re) {
                   1542:           $mimetype = $1;
                   1543:           $MTYPES{$suffix} = $mimetype;
                   1544:           last;
                   1545:         }
3.120     scop     1546:       }
3.156     scop     1547:       close($fh);
                   1548:     } else {
                   1549:       warn("Can't open MIME types file $mime_types for reading: $!");
3.120     scop     1550:     }
                   1551:   }
                   1552:
3.156     scop     1553:   $mimetype ||= $MTYPES{'*'};
                   1554:   $mimetype ||= $binary ? 'application/octet-stream' : 'text/plain';
3.120     scop     1555:   return $mimetype;
3.1       knu      1556: }
                   1557:
3.156     scop     1558:
3.1       knu      1559: ###############################
3.24      knu      1560: # read first lines like head(1)
                   1561: ###############################
3.120     scop     1562: sub head($;$)
                   1563: {
                   1564:   my $fh        = $_[0];
                   1565:   my $linecount = $_[1] || 10;
3.24      knu      1566:
3.120     scop     1567:   my @buf;
                   1568:
                   1569:   if ($linecount > 0) {
                   1570:     my $i;
                   1571:     for ($i = 0; !eof($fh) && $i < $linecount; $i++) {
                   1572:       push @buf, scalar <$fh>;
                   1573:     }
                   1574:   } else {
                   1575:     @buf = <$fh>;
                   1576:   }
                   1577:
                   1578:   @buf;
3.24      knu      1579: }
                   1580:
                   1581: ###############################
                   1582: # scan vim and Emacs directives
                   1583: ###############################
3.120     scop     1584: sub scan_directives(@)
                   1585: {
                   1586:   my $ts = undef;
3.24      knu      1587:
3.120     scop     1588:   for (@_) {
                   1589:     $ts = $1 if /\b(?:ts|tabstop|tab-width)[:=]\s*([1-9]\d*)\b/;
                   1590:   }
3.24      knu      1591:
3.120     scop     1592:   ('tabstop' => $ts);
3.24      knu      1593: }
                   1594:
3.120     scop     1595: sub openOutputFilter()
                   1596: {
                   1597:   return if !defined($output_filter) || $output_filter eq '';
3.86      knu      1598:
3.120     scop     1599:   open(STDOUT, "|-") and return;
3.86      knu      1600:
3.120     scop     1601:   # child of child
3.165     scop     1602:   open(STDERR, '>', devnull());
3.120     scop     1603:   exec($output_filter) or exit -1;
3.86      knu      1604: }
                   1605:
3.24      knu      1606: ###############################
3.1       knu      1607: # show Annotation
                   1608: ###############################
3.133     scop     1609: sub doAnnotate($)
3.120     scop     1610: {
                   1611:   my ($rev) = @_;
                   1612:   my ($pid);
                   1613:   my ($pathname, $filename);
                   1614:   my $reader = do { local (*FH); };
                   1615:   my $writer = do { local (*FH); };
                   1616:
                   1617:   # make sure the revisions are wellformed, for security
                   1618:   # reasons ..
                   1619:   if ($rev =~ /[^\w.]/) {
                   1620:     fatal("404 Not Found", 'Malformed query "%s"', $ENV{QUERY_STRING});
                   1621:   }
                   1622:
                   1623:   ($pathname = $where) =~ s/(Attic\/)?[^\/]*$//;
                   1624:   ($filename = $where) =~ s/^.*\///;
                   1625:
                   1626:   # this seems to be necessary
                   1627:   $| = 1;
                   1628:   $| = 0;    # Flush
                   1629:
3.126     scop     1630:   # Work around a mod_perl bug (?) in order to make open2() work.
                   1631:   # Search for "untie STDIN" in mod_perl mailing list archives for more info.
                   1632:   my $old_stdin;
                   1633:   if ($is_mod_perl && ($old_stdin = tied *STDIN)) {
                   1634:     local $^W = undef;
                   1635:     untie *STDIN;
                   1636:   }
                   1637:
3.120     scop     1638:   # this annotate version is based on the
                   1639:   # cvs annotate-demo Perl script by Cyclic Software
                   1640:   # It was written by Cyclic Software, http://www.cyclic.com/, and is in
                   1641:   # the public domain.
                   1642:   # we could abandon the use of rlog, rcsdiff and co using
                   1643:   # the cvsserver in a similiar way one day (..after rewrite)
3.128     scop     1644:   $pid = open2($reader, $writer, $CMD{cvs}, @annotate_options, 'server')
3.120     scop     1645:     or fatal("500 Internal Error",
                   1646:              'Fatal Error - unable to open cvs for annotation');
3.126     scop     1647:
                   1648:   # Re-tie STDIN if we fiddled around with it earlier, just to be sure.
                   1649:   tie(*STDIN, ref($old_stdin), $old_stdin) if ($old_stdin && !tied(*STDIN));
3.120     scop     1650:
                   1651:   # OK, first send the request to the server.  A simplified example is:
                   1652:   #     Root /home/kingdon/zwork/cvsroot
                   1653:   #     Argument foo/xx
                   1654:   #     Directory foo
                   1655:   #     /home/kingdon/zwork/cvsroot/foo
                   1656:   #     Directory .
                   1657:   #     /home/kingdon/zwork/cvsroot
                   1658:   #     annotate
                   1659:   # although as you can see there are a few more details.
                   1660:
                   1661:   print $writer "Root $cvsroot\n";
                   1662:   print $writer
                   1663:     "Valid-responses ok error Valid-requests Checked-in Updated Merged Removed M E\n";
                   1664:
                   1665:   # Don't worry about sending valid-requests, the server just needs to
                   1666:   # support "annotate" and if it doesn't, there isn't anything to be done.
                   1667:   print $writer "UseUnchanged\n";
                   1668:   print $writer "Argument -r\n";
                   1669:   print $writer "Argument $rev\n";
                   1670:   print $writer "Argument $where\n";
                   1671:
                   1672:   # The protocol requires us to fully fake a working directory (at
                   1673:   # least to the point of including the directories down to the one
                   1674:   # containing the file in question).
3.123     scop     1675:   # So if $where is "dir/sdir/file", then dirs will be ("dir","sdir","file")
                   1676:   my $path = '';
                   1677:   foreach my $dir (split('/', $where)) {
3.120     scop     1678:
                   1679:     if ($path eq "") {
3.123     scop     1680:       # In our example, $dir is "dir".
                   1681:       $path = $dir;
3.120     scop     1682:     } else {
                   1683:       print $writer "Directory $path\n";
                   1684:       print $writer "$cvsroot/$path\n";
                   1685:
                   1686:       # In our example, $_ is "sdir" and $path becomes "dir/sdir"
                   1687:       # And the next time, "file" and "dir/sdir/file" (which then gets
                   1688:       # ignored, because we don't need to send Directory for the file).
3.123     scop     1689:       $path .= "/$dir";
3.120     scop     1690:     }
                   1691:   }
3.123     scop     1692:   undef $path;
3.120     scop     1693:
                   1694:   # And the last "Directory" before "annotate" is the top level.
                   1695:   print $writer "Directory .\n";
                   1696:   print $writer "$cvsroot\n";
                   1697:
                   1698:   print $writer "annotate\n";
                   1699:
                   1700:   # OK, we've sent our command to the server.  Thing to do is to
                   1701:   # close the writer side and get all the responses.  If "cvs server"
                   1702:   # were nicer about buffering, then we could just leave it open, I think.
                   1703:   close($writer) or die "cannot close: $!";
                   1704:
3.133     scop     1705:   navigateHeader($scriptwhere, $pathname, $filename, $rev, 'annotate');
3.120     scop     1706:
3.136     scop     1707:   print '<h3 style="text-align: center">Annotation of ',
                   1708:     htmlquote("$pathname$filename"), ", revision $rev</h3>\n";
3.120     scop     1709:
                   1710:   # Ready to get the responses from the server.
                   1711:   # For example:
                   1712:   #     E Annotations for foo/xx
                   1713:   #     E ***************
                   1714:   #     M 1.3          (kingdon  06-Sep-97): hello
                   1715:   #     ok
                   1716:   my ($lineNr) = 0;
                   1717:   my ($oldLrev, $oldLusr) = ("", "");
                   1718:   my ($revprint, $usrprint);
                   1719:
                   1720:   if ($annTable) {
                   1721:     print
                   1722:       "<table style=\"border: none\" cellspacing=\"0\" cellpadding=\"0\">\n";
                   1723:   } else {
                   1724:     print "<pre>";
                   1725:   }
                   1726:
                   1727:   # prefetch several lines
                   1728:   my @buf = head($reader);
                   1729:
                   1730:   my %d = scan_directives(@buf);
                   1731:
                   1732:   while (@buf || !eof($reader)) {
                   1733:     $_ = @buf ? shift @buf : <$reader>;
                   1734:
                   1735:     my @words = split;
                   1736:
                   1737:     # Adding one is for the (single) space which follows $words[0].
                   1738:     my $rest = substr($_, length($words[0]) + 1);
                   1739:     if ($words[0] eq "E") {
                   1740:       next;
                   1741:     } elsif ($words[0] eq "M") {
                   1742:       $lineNr++;
                   1743:       (my $lrev = substr($_, 2,  13)) =~ y/ //d;
                   1744:       (my $lusr = substr($_, 16, 9))  =~ y/ //d;
                   1745:       my $line = substr($_, 36);
                   1746:       my $isCurrentRev = ($rev eq $lrev);
                   1747:
                   1748:       # we should parse the date here ..
                   1749:       if ($lrev eq $oldLrev) {
                   1750:         $revprint = sprintf('%-8s', '');
                   1751:       } else {
                   1752:         $revprint = sprintf('%-8s', $lrev);
                   1753:         $revprint =~ s`\S+`&link($&, "$scriptwhere$query#rev$&")`e;    # `
                   1754:         $oldLusr = '';
                   1755:       }
                   1756:
                   1757:       if ($lusr eq $oldLusr) {
                   1758:         $usrprint = '';
                   1759:       } else {
                   1760:         $usrprint = $lusr;
                   1761:       }
                   1762:       $oldLrev = $lrev;
                   1763:       $oldLusr = $lusr;
                   1764:
                   1765:       # Set bold for text-based browsers only - graphical
                   1766:       # browsers show bold fonts a bit wider than regular fonts,
                   1767:       # so it looks irregular.
                   1768:       print "<b>" if ($isCurrentRev && $is_textbased);
                   1769:
3.136     scop     1770:       $usrprint = sprintf('%-8s', $usrprint);
                   1771:       printf '%s%s %s %4d:', $revprint, $isCurrentRev ? '!' : ' ',
                   1772:         htmlquote($usrprint), $lineNr;
3.120     scop     1773:       print spacedHtmlText($line, $d{'tabstop'});
                   1774:
                   1775:       print "</b>" if ($isCurrentRev && $is_textbased);
                   1776:     } elsif ($words[0] eq "ok") {
                   1777:
                   1778:       # We could complain about any text received after this, like the
                   1779:       # CVS command line client.  But for simplicity, we don't.
                   1780:     } elsif ($words[0] eq "error") {
                   1781:       fatal("500 Internal Error",
                   1782:             'Error occured during annotate: <b>%s</b>', $_);
                   1783:     }
                   1784:   }
                   1785:
                   1786:   if ($annTable) {
                   1787:     print "</table>";
                   1788:   } else {
                   1789:     print "</pre>";
                   1790:   }
3.124     scop     1791:   html_footer();
                   1792:
3.120     scop     1793:   close($reader) or warn "cannot close: $!";
                   1794:   wait;
3.1       knu      1795: }
                   1796:
                   1797: ###############################
                   1798: # make Checkout
                   1799: ###############################
3.120     scop     1800: sub doCheckout($$)
                   1801: {
                   1802:   my ($fullname, $rev) = @_;
3.156     scop     1803:   my ($revopt);
3.120     scop     1804:   my $fh = do { local (*FH); };
                   1805:
                   1806:   if ($rev eq 'HEAD' || $rev eq '.') {
                   1807:     $rev = undef;
                   1808:   }
                   1809:
                   1810:   # make sure the revisions a wellformed, for security
                   1811:   # reasons ..
                   1812:   if (defined($rev) && $rev =~ /[^\w.]/) {
                   1813:     fatal("404 Not Found", 'Malformed query "%s"', $ENV{QUERY_STRING});
                   1814:   }
                   1815:
                   1816:   # get mimetype
3.156     scop     1817:   my $mimetype;
3.120     scop     1818:   if (defined($input{"content-type"})
                   1819:     && ($input{"content-type"} =~ /\S\/\S/))
                   1820:   {
                   1821:     $mimetype = $input{"content-type"};
                   1822:   } else {
3.156     scop     1823:     $mimetype = getMimeType($fullname);
3.120     scop     1824:   }
                   1825:
3.163     scop     1826:   my $moddate = undef;
3.120     scop     1827:   if (defined($rev)) {
                   1828:     $revopt = "-r$rev";
                   1829:     if ($use_moddate) {
                   1830:       readLog($fullname, $rev);
                   1831:       $moddate = $date{$rev};
                   1832:     }
                   1833:   } else {
                   1834:     $revopt = "-rHEAD";
                   1835:     if ($use_moddate) {
                   1836:       readLog($fullname);
                   1837:       $moddate = $date{$symrev{HEAD}};
                   1838:     }
                   1839:   }
                   1840:
                   1841:   ### just for the record:
                   1842:   ### 'cvs co' seems to have a bug regarding single checkout of
                   1843:   ### directories/files having spaces in it;
                   1844:   ### this is an issue that should be resolved on cvs's side
                   1845:   #
                   1846:   # Safely for a child process to read from.
                   1847:   if (!open($fh, "-|")) {    # child
3.165     scop     1848:     # Change to temporary directory first to avoid non-readable cgi-bin dirs.
                   1849:     chdir(tmpdir());
3.120     scop     1850:     open(STDERR, ">&STDOUT");    # Redirect stderr to stdout
                   1851:
                   1852:     # work around a bug of cvs -p; expand symlinks
                   1853:     exec($CMD{cvs}, @cvs_options, '-d', abs_path($cvsroot), 'co', '-p',
                   1854:          $revopt, $where)
                   1855:       or exit -1;
                   1856:   }
                   1857:
                   1858:   if (eof($fh)) {
                   1859:     fatal("404 Not Found", '%s is not (any longer) pertinent', $where);
                   1860:   }
                   1861:
                   1862:   #===================================================================
                   1863:   #Checking out squid/src/ftp.c
                   1864:   #RCS:  /usr/src/CVS/squid/src/ftp.c,v
                   1865:   #VERS: 1.1.1.28.6.2
                   1866:   #***************
                   1867:
                   1868:   # Parse CVS header
                   1869:   my ($revision, $filename, $cvsheader);
                   1870:   $filename = "";
                   1871:   while (<$fh>) {
                   1872:     last if (/^\*\*\*\*/);
                   1873:     $revision = $1 if (/^VERS: (.*)$/);
                   1874:
                   1875:     if (/^Checking out (.*)$/) {
                   1876:       $filename = $1;
                   1877:       $filename =~ s/^\.\/*//;
                   1878:     }
                   1879:     $cvsheader .= $_;
                   1880:   }
                   1881:
                   1882:   if ($filename ne $where) {
                   1883:     fatal("500 Internal Error",
                   1884:           'Unexpected output from cvs co: %s', $cvsheader);
                   1885:   }
                   1886:   $| = 1;
                   1887:
3.146     scop     1888:   if ($mimetype =~ $CvsWebMarkupRE) {
3.163     scop     1889:     # Here we know the last modified date, but don't know if tags have been
                   1890:     # added since: no last-modified (for now).
                   1891:     cvswebMarkup($fh, $fullname, $revision);
3.120     scop     1892:   } else {
3.163     scop     1893:     http_header($mimetype, $moddate);
3.120     scop     1894:     print <$fh>;
                   1895:   }
                   1896:   close($fh);
1.12      fenner   1897: }
                   1898:
3.163     scop     1899: sub cvswebMarkup($$$;$)
3.120     scop     1900: {
3.163     scop     1901:   my ($filehandle, $fullname, $revision, $mod) = @_;
3.120     scop     1902:   my ($pathname,   $filename);
3.1       knu      1903:
3.120     scop     1904:   ($pathname = $where) =~ s/(Attic\/)?[^\/]*$//;
                   1905:   ($filename = $where) =~ s/^.*\///;
3.156     scop     1906:   my $fileurl = urlencode($filename);
                   1907:   my $mimetype = getMimeType($filename);
3.120     scop     1908:
3.163     scop     1909:   navigateHeader($scriptwhere, $pathname, $filename, $revision, 'view', $mod);
3.120     scop     1910:
3.144     scop     1911:   print <<EOF;
                   1912: <hr noshade>
                   1913: <table width="100%">
                   1914: <tr>
                   1915: <td class="log-markup">File:&nbsp;
                   1916: EOF
3.159     scop     1917:   print &clickablePath($where, 1), ' - (';
3.144     scop     1918:   &download_link($fileurl, $revision, 'download');
3.156     scop     1919:   if ($mimetype ne 'text/plain') {
3.159     scop     1920:     print ' / ';
3.120     scop     1921:     &download_link($fileurl, $revision, "as text", "text/plain");
                   1922:   }
3.159     scop     1923:   print ')';
                   1924:   print ' - ', &graph_link('', $revision, 'graph') if $allow_cvsgraph;
3.120     scop     1925:   print "<br>\n";
                   1926:
                   1927:   if ($show_log_in_markup) {
                   1928:     readLog($fullname);    #,$revision);
                   1929:     printLog($revision, 0);
                   1930:   } else {
                   1931:     print "Version: <b>$revision</b><br>\n";
                   1932:     print "Tag: <b>", $input{only_with_tag}, "</b><br>\n"
                   1933:       if $input{only_with_tag};
                   1934:   }
                   1935:   print "</td>\n</tr>\n</table>";
                   1936:   my $url = download_url($fileurl, $revision, $mimetype);
                   1937:   print "<hr noshade>";
                   1938:
                   1939:   if ($mimetype =~ /^image/) {
3.160     scop     1940:     printf '<img src="%s" alt="%s"><br>',
                   1941:       hrefquote("$url$barequery"), htmlquote($filename);
3.120     scop     1942:   } elsif ($mimetype =~ m%^application/pdf%) {
3.157     scop     1943:     printf '<embed src="%s" width="100%%" height="100%%"><br>',
                   1944:       hrefquote("$url$barequery");
3.120     scop     1945:   } elsif ($preformat_in_markup) {
                   1946:     print "<pre>";
                   1947:
                   1948:     # prefetch several lines
                   1949:     my @buf = head($filehandle);
                   1950:
                   1951:     my %d = scan_directives(@buf);
                   1952:
                   1953:     while (@buf || !eof($filehandle)) {
                   1954:       $_ = @buf ? shift @buf : <$filehandle>;
                   1955:
                   1956:       print spacedHtmlText($_, $d{'tabstop'});
                   1957:     }
                   1958:     print "</pre>";
                   1959:   } else {
                   1960:
3.148     scop     1961:     my $enscript_hl = undef;
                   1962:
                   1963:     if ($allow_enscript) {
                   1964:       while (my ($hl, $regex) = each %enscript_types) {
3.149     scop     1965:         if ($filename =~ $regex) {
                   1966:           $enscript_hl = $hl;
                   1967:           last;
                   1968:         }
3.148     scop     1969:       }
                   1970:     }
                   1971:
3.149     scop     1972:     print '<pre>';
                   1973:     my $lineNumber = 0;
                   1974:     my $doLineNumbers = $input{ln} || 0;
                   1975:
3.148     scop     1976:     if ($enscript_hl) {
                   1977:
                   1978:       my $reader = do { local (*FH); };
                   1979:       my $writer = do { local (*FH); };
                   1980:
                   1981:       open2($reader, $writer, $CMD{enscript}, @enscript_options,
3.149     scop     1982:             qw(-q --language=cvsweb -o -),
                   1983:             "--highlight=$enscript_hl",
                   1984:             '-')
                   1985:         or fatal('500 Internal Error',
                   1986:                  'Fatal Error - unable to open Enscript for colorization');
3.148     scop     1987:
                   1988:       while (<$filehandle>) {
3.149     scop     1989:         print $writer $_;
3.148     scop     1990:       }
                   1991:       close($writer);
                   1992:       while (<$reader>) {
3.149     scop     1993:         if ($doLineNumbers) {
                   1994:           $lineNumber++;
                   1995:           printf '<a id="l%d" class="src">%5d: </a>', ($lineNumber) x 2;
                   1996:         }
3.148     scop     1997:         print $_;
                   1998:       }
                   1999:       close($reader);
                   2000:
                   2001:     } else {
                   2002:       while (<$filehandle>) {
3.149     scop     2003:         if ($doLineNumbers) {
                   2004:           $lineNumber++;
                   2005:           printf '<a id="l%d" class="src">%5d: </a>', ($lineNumber) x 2;
                   2006:         }
                   2007:         print htmlquote($_);
3.148     scop     2008:       }
3.120     scop     2009:     }
3.149     scop     2010:
                   2011:     print "</pre>\n";
3.120     scop     2012:   }
3.131     scop     2013:   html_footer();
3.120     scop     2014: }
                   2015:
3.156     scop     2016:
3.120     scop     2017: sub viewable($)
                   2018: {
3.156     scop     2019:   my $mimetype = shift || '';
                   2020:   return ($allow_markup && $mimetype =~ m%^((text|image)/|application/pdf)%);
                   2021: }
3.120     scop     2022:
3.1       knu      2023:
                   2024: ###############################
                   2025: # Show Colored Diff
                   2026: ###############################
3.120     scop     2027: sub doDiff($$$$$$)
                   2028: {
                   2029:   my ($fullname, $r1, $tr1, $r2, $tr2, $f) = @_;
                   2030:   my $fh = do { local (*FH); };
                   2031:   my ($rev1, $rev2, $sym1, $sym2, $f1, $f2);
                   2032:
                   2033:   if (&forbidden_file($fullname)) {
                   2034:     fatal("403 Forbidden",
                   2035:           'Access forbidden.  This file is mentioned in @ForbiddenFiles');
                   2036:   }
                   2037:
                   2038:   if ($r1 =~ /([^:]+)(:(.+))?/) {
                   2039:     $rev1 = $1;
                   2040:     $sym1 = $3;
                   2041:   }
                   2042:   if ($r1 eq 'text') {
                   2043:     $rev1 = $tr1;
                   2044:     $sym1 = "";
                   2045:   }
                   2046:
                   2047:   if ($r2 =~ /([^:]+)(:(.+))?/) {
                   2048:     $rev2 = $1;
                   2049:     $sym2 = $3;
                   2050:   }
                   2051:   if ($r2 eq 'text') {
                   2052:     $rev2 = $tr2;
                   2053:     $sym2 = "";
                   2054:   }
                   2055:
                   2056:   # make sure the revisions a wellformed, for security
                   2057:   # reasons ..
                   2058:   if ($rev1 =~ /[^\w.]/ || $rev2 =~ /[^\w.]/) {
                   2059:     fatal("404 Not Found", 'Malformed query "%s"', $ENV{QUERY_STRING});
                   2060:   }
                   2061:
                   2062:   #
                   2063:   # rev1 and rev2 are now both numeric revisions.
                   2064:   # Thus we do a DWIM here and swap them if rev1 is after rev2.
                   2065:   # XXX should we warn about the fact that we do this?
                   2066:   if (&revcmp($rev1, $rev2) > 0) {
                   2067:     my ($tmp1, $tmp2) = ($rev1, $sym1);
                   2068:     ($rev1, $sym1) = ($rev2, $sym2);
                   2069:     ($rev2, $sym2) = ($tmp1, $tmp2);
                   2070:   }
                   2071:   my $difftype = $DIFFTYPES{$f};
                   2072:
                   2073:   if (!$difftype) {
                   2074:     fatal("400 Bad arguments", 'Diff format %s not understood', $f);
                   2075:   }
                   2076:
                   2077:   my @difftype       = @{$difftype->{'opts'}};
                   2078:   my $human_readable = $difftype->{'colored'};
                   2079:
                   2080:   # apply special options
                   2081:   if ($showfunc) {
                   2082:     push @difftype, '-p' if $f ne 's';
                   2083:
                   2084:     my ($re1, $re2);
                   2085:
                   2086:     while (($re1, $re2) = each %funcline_regexp) {
                   2087:       if ($fullname =~ /$re1/) {
                   2088:         push @difftype, '-F', $re2;
                   2089:         last;
                   2090:       }
                   2091:     }
                   2092:   }
                   2093:
                   2094:   if ($human_readable) {
                   2095:     if ($hr_ignwhite) {
                   2096:       push @difftype, '-w';
                   2097:     }
                   2098:     if ($hr_ignkeysubst) {
                   2099:       push @difftype, '-kk';
                   2100:     }
                   2101:   }
                   2102:
                   2103:   if (!open($fh, "-|")) {    # child
                   2104:     open(STDERR, ">&STDOUT");    # Redirect stderr to stdout
                   2105:     openOutputFilter();
3.166   ! scop     2106:     exec($CMD{rcsdiff}, @rcsdiff_options, @difftype, "-r$rev1", "-r$rev2",
        !          2107:          $fullname) or exit -1;
3.120     scop     2108:   }
3.166   ! scop     2109:
3.120     scop     2110:   if ($human_readable) {
                   2111:     &human_readable_diff($fh, $rev2);
                   2112:     html_footer();
                   2113:     gzipclose();
                   2114:     exit;
                   2115:   } else {
                   2116:     http_header("text/plain");
                   2117:   }
                   2118:
                   2119:   #
                   2120:   #===================================================================
                   2121:   #RCS file: /home/ncvs/src/sys/netinet/tcp_output.c,v
                   2122:   #retrieving revision 1.16
                   2123:   #retrieving revision 1.17
                   2124:   #diff -c -r1.16 -r1.17
                   2125:   #*** /home/ncvs/src/sys/netinet/tcp_output.c     1995/11/03 22:08:08     1.16
                   2126:   #--- /home/ncvs/src/sys/netinet/tcp_output.c     1995/12/05 17:46:35     1.17
                   2127:   #
                   2128:   # Ideas:
                   2129:   # - nuke the stderr output if it's what we expect it to be
                   2130:   # - Add "no differences found" if the diff command supplied no output.
                   2131:   #
                   2132:   #*** src/sys/netinet/tcp_output.c     1995/11/03 22:08:08     1.16
                   2133:   #--- src/sys/netinet/tcp_output.c     1995/12/05 17:46:35     1.17 RELENG_2_1_0
                   2134:   # (bogus example, but...)
                   2135:   #
                   2136:   if (grep { $_ eq '-u' } @difftype) {
                   2137:     $f1 = '---';
                   2138:     $f2 = '\+\+\+';
                   2139:   } else {
                   2140:     $f1 = '\*\*\*';
                   2141:     $f2 = '---';
                   2142:   }
                   2143:
                   2144:   while (<$fh>) {
                   2145:     if (m|^$f1 $cvsroot|o) {
                   2146:       s|$cvsroot/||o;
                   2147:       if ($sym1) {
                   2148:         chop;
                   2149:         $_ .= " $sym1\n";
                   2150:       }
                   2151:     } elsif (m|^$f2 $cvsroot|o) {
                   2152:       s|$cvsroot/||o;
                   2153:
                   2154:       if ($sym2) {
                   2155:         chop;
                   2156:         $_ .= " $sym2\n";
                   2157:       }
                   2158:     }
                   2159:     print $_;
                   2160:   }
                   2161:   close($fh);
1.12      fenner   2162: }
                   2163:
3.1       knu      2164: ###############################
                   2165: # Show Logs ..
                   2166: ###############################
3.120     scop     2167: sub getDirLogs($$@)
                   2168: {
                   2169:   my ($cvsroot, $dirname, @otherFiles) = @_;
3.139     scop     2170:   my $tag = $input{only_with_tag};
                   2171:   my $DirName = "$cvsroot/$where";
3.120     scop     2172:
3.139     scop     2173:   my @files = &safeglob("$DirName/*,v");
                   2174:   push (@files, &safeglob("$DirName/Attic/*,v")) if (!$input{'hideattic'});
3.120     scop     2175:   foreach my $file (@otherFiles) {
                   2176:     push (@files, "$DirName/$file");
                   2177:   }
                   2178:
3.150     scop     2179:   # Weed out unreadable files.
                   2180:   my $i = 0;
                   2181:   my @unreadable = ();
                   2182:   while ($i < scalar(@files)) {
                   2183:     if (-r $files[$i]) {
                   2184:       $i++;
                   2185:     } else {
                   2186:       push(@unreadable, splice(@files, $i, 1));
                   2187:     }
                   2188:   }
                   2189:
3.139     scop     2190:   # If there are no files, we're done.
3.150     scop     2191:   return @unreadable unless @files;
3.120     scop     2192:
3.139     scop     2193:   my @cmd = ($CMD{rlog});
                   2194:   # Can't use -r<tag> as '-' is allowed in tagnames,
                   2195:   # but misinterpreted by rlog.
                   2196:   push(@cmd, '-r') unless defined($tag);
3.120     scop     2197:
3.139     scop     2198:   my $fh = do { local (*FH); };
                   2199:   if (!open($fh, '-|')) {            # Child
3.165     scop     2200:     open(STDERR, '>', devnull());    # Ignore rlog's complaints.
3.139     scop     2201:     openOutputFilter();
                   2202:     if ($file_list_len && $file_list_len > 1) {
                   2203:       while (scalar(@files) > $file_list_len) {  # Process files in chunks.
                   2204:         system(@cmd, splice(@files, 0, $file_list_len)) == 0 or exit -1;
                   2205:       }
3.120     scop     2206:     }
3.139     scop     2207:     exec(@cmd, @files) or exit -1;
                   2208:   }
                   2209:   undef @cmd;
3.120     scop     2210:
3.139     scop     2211:   my $state = 'start';
                   2212:   my ($date, $branchpoint, $branch, $log, @filetags);
3.152     scop     2213:   my ($rev, $revision, $revwanted, $filename, $head, $author, $keywordsubst);
3.120     scop     2214:
                   2215:   while (<$fh>) {
                   2216:     if ($state eq "start") {
                   2217:
                   2218:       #Next file. Initialize file variables
                   2219:       $rev         = '';
                   2220:       $revwanted   = '';
                   2221:       $branch      = '';
                   2222:       $branchpoint = '';
                   2223:       $filename    = '';
                   2224:       $log         = '';
                   2225:       $revision    = '';
                   2226:       %symrev      = ();
                   2227:       @filetags    = ();
3.152     scop     2228:       $keywordsubst= '';
3.120     scop     2229:
                   2230:       #jump to head state
                   2231:       $state = "head";
                   2232:     }
3.144     scop     2233:
3.120     scop     2234:     again:
                   2235:
                   2236:     if ($state eq "head") {
                   2237:
                   2238:       #$rcsfile = $1 if (/^RCS file: (.+)$/); #not used (yet)
                   2239:
                   2240:       if (/^Working file: (.+)$/) {
                   2241:         $filename = $1;
                   2242:       } elsif (/^head: (.+)$/) {
                   2243:         $head = $1;
                   2244:       } elsif (/^branch: (.+)$/) {
                   2245:         $branch = $1;
3.152     scop     2246:       } elsif (/^keyword substitution: (.+)$/) {
                   2247:         $keywordsubst = $1;
3.120     scop     2248:       } elsif (/^symbolic names:/) {
                   2249:         $state = "tags";
                   2250:         ($branch = $head) =~ s/\.\d+$//
                   2251:           if $branch eq '';
                   2252:         $branch =~ s/(\d+)$/0.$1/;
                   2253:         $symrev{MAIN}  = $branch;
                   2254:         $symrev{HEAD}  = $branch;
                   2255:         $alltags{MAIN} = 1;
                   2256:         $alltags{HEAD} = 1;
                   2257:         push (@filetags, "MAIN", "HEAD");
                   2258:       } elsif (/$LOG_REVSEPARATOR/o) {
                   2259:         $state = "log";
                   2260:         $rev   = '';
                   2261:         $date  = '';
                   2262:         $log   = '';
                   2263:
                   2264:         # Try to reconstruct the relative filename if RCS spits out a full path
                   2265:         $filename =~ s%^\Q$DirName\E/%%;
                   2266:       }
                   2267:       next;
                   2268:     }
                   2269:
                   2270:     if ($state eq "tags") {
                   2271:       if (/^\s+([^:]+):\s+([\d\.]+)\s*$/) {
                   2272:         push (@filetags, $1);
                   2273:         $symrev{$1}  = $2;
                   2274:         $alltags{$1} = 1;
                   2275:         next;
                   2276:       } elsif (/^\S/) {
                   2277:
                   2278:         if (defined($tag)) {
                   2279:           if (defined($symrev{$tag}) || $tag eq "HEAD") {
                   2280:             $revwanted    = $symrev{$tag eq "HEAD" ? "MAIN" : $tag};
                   2281:             ($branch      = $revwanted) =~ s/\b0\.//;
                   2282:             ($branchpoint = $branch)    =~ s/\.?\d+$//;
                   2283:             $revwanted    = '' if ($revwanted ne $branch);
                   2284:           } elsif ($tag ne "HEAD") {
                   2285:             $state = "skip";
                   2286:             next;
                   2287:           }
                   2288:         }
                   2289:
                   2290:         foreach my $tagfound (@filetags) {
                   2291:           $tags{$tagfound} = 1;
                   2292:         }
                   2293:         $state = "head";
                   2294:         goto again;
                   2295:       }
                   2296:     }
                   2297:
                   2298:     if ($state eq "log") {
                   2299:       if (/$LOG_REVSEPARATOR/o || /$LOG_FILESEPARATOR/o) {
                   2300:
                   2301:         # End of a log entry.
                   2302:         my $revbranch = $rev;
                   2303:         $revbranch =~ s/\.\d+$//;
                   2304:
                   2305:         if ($revwanted eq '' && $branch ne '' && $branch eq $revbranch
                   2306:             || !defined($tag))
                   2307:         {
                   2308:           $revwanted = $rev;
                   2309:         }
                   2310:
                   2311:         if ($revwanted ne ''
                   2312:             ? $rev eq $revwanted
                   2313:             : $branchpoint ne ''
                   2314:               ? $rev eq $branchpoint
                   2315:               : 0
                   2316:             && ($rev eq $head))
                   2317:         {    # Don't think head is needed here..
3.152     scop     2318:           my @finfo = ($rev, $date, $log, $author, $filename, $keywordsubst);
                   2319:           (my $name = $filename) =~ s%/.*%%;
3.120     scop     2320:           $fileinfo{$name} = [@finfo];
                   2321:           $state = "done" if ($rev eq $revwanted);
                   2322:         }
                   2323:         $rev  = '';
                   2324:         $date = '';
                   2325:         $log  = '';
                   2326:       } elsif ($date eq ''
                   2327:                && m|^date:\s+(\d+)/(\d+)/(\d+)\s+(\d+):(\d+):(\d+);|)
                   2328:       {
                   2329:         my $yr = $1;
                   2330:
                   2331:         # damn 2-digit year routines :-)
                   2332:         if ($yr > 100) {
                   2333:           $yr -= 1900;
                   2334:         }
                   2335:         $date = &Time::Local::timegm($6, $5, $4, $3, $2 - 1, $yr);
                   2336:         ($author) = /author: ([^;]+)/;
                   2337:         $state = "log";
                   2338:         $log   = '';
                   2339:         next;
                   2340:       } elsif ($rev eq '' && /^revision (\d+(?:\.\d+)+).*$/) {
                   2341:         $rev = $1;    # .*$ eats up the locker(lockers?) info, if any
                   2342:         next;
                   2343:       } else {
                   2344:         $log .= $_;
                   2345:       }
                   2346:     }
                   2347:
                   2348:     if (/$LOG_FILESEPARATOR/o) {
                   2349:       $state = "start";
                   2350:       next;
                   2351:     }
                   2352:   }
                   2353:
3.139     scop     2354:   my $linesread = $. || 0;
                   2355:   close($fh);
                   2356:
                   2357:   if ($linesread == 0) {
3.137     scop     2358:     fatal('500 Internal Error',
                   2359:           'Failed to spawn GNU rlog on <em>"%s"</em>.<br><br>Did you set the <b><code>$command_path</code></b> in your configuration file correctly? (Currently: "<code>%s</code>")',
3.150     scop     2360:           htmlquote(join(', ', @files)), $command_path);
3.120     scop     2361:   }
3.150     scop     2362:
                   2363:   return @unreadable;
3.120     scop     2364: }
                   2365:
                   2366: sub readLog($;$)
                   2367: {
                   2368:   my ($fullname, $revision) = @_;
                   2369:   my ($symnames, $head, $rev, $br, $brp, $branch, $branchrev);
                   2370:   my $fh = do { local (*FH); };
                   2371:
3.144     scop     2372:   $revision = defined($revision) ? "-r$revision" : '';
3.120     scop     2373:
                   2374:   undef %symrev;
                   2375:   undef %revsym;
                   2376:   undef @allrevisions;
                   2377:   undef %date;
                   2378:   undef %author;
                   2379:   undef %state;
                   2380:   undef %difflines;
                   2381:   undef %log;
3.152     scop     2382:   $keywordsubstitution = '';
3.120     scop     2383:
                   2384:   if (!open($fh, "-|")) {    # child
                   2385:     if ($revision ne '') {
                   2386:       openOutputFilter();
                   2387:       exec($CMD{rlog}, $revision, $fullname) or exit -1;
                   2388:     } else {
                   2389:       openOutputFilter();
                   2390:       exec($CMD{rlog}, $fullname) or exit -1;
                   2391:     }
                   2392:   }
                   2393:
                   2394:   while (<$fh>) {
                   2395:     if ($symnames) {
                   2396:       if (/^\s+([^:]+):\s+([\d\.]+)/) {
                   2397:         $symrev{$1} = $2;
3.152     scop     2398:         next;
3.120     scop     2399:       } else {
                   2400:         $symnames = 0;
                   2401:       }
3.152     scop     2402:     }
                   2403:     if (/^head:\s+([\d\.]+)/) {
3.120     scop     2404:       $head = $1;
                   2405:     } elsif (/^branch:\s+([\d\.]+)/) {
                   2406:       $curbranch = $1;
                   2407:     } elsif (/^symbolic names/) {
                   2408:       $symnames = 1;
3.152     scop     2409:     } elsif (/^keyword substitution: (.+)$/) {
                   2410:       $keywordsubstitution = $1;
3.120     scop     2411:     } elsif (/^-----/) {
                   2412:       last;
                   2413:     }
                   2414:   }
                   2415:   ($curbranch = $head) =~ s/\.\d+$// if (!defined($curbranch));
                   2416:
                   2417:   # each log entry is of the form:
                   2418:   # ----------------------------
                   2419:   # revision 3.7.1.1
                   2420:   # date: 1995/11/29 22:15:52;  author: fenner;  state: Exp;  lines: +5 -3
                   2421:   # log info
                   2422:   # ----------------------------
                   2423:
                   2424:   # For a locked revision, the first line after the separator
                   2425:   # becomes smth like
3.149     scop     2426:   # revision 9.19       locked by: vassilii;
3.120     scop     2427:
                   2428:   logentry:
                   2429:
                   2430:   while (!/$LOG_FILESEPARATOR/o) {
                   2431:     $_ = <$fh>;
                   2432:     last logentry if (!defined($_));    # EOF
                   2433:     if (/^revision (\d+(?:\.\d+)+)/) {
                   2434:       $rev = $1;
                   2435:       unshift (@allrevisions, $rev);
                   2436:     } elsif (/$LOG_FILESEPARATOR/o || /$LOG_REVSEPARATOR/o) {
                   2437:       next logentry;
                   2438:     } else {
                   2439:
                   2440:       # The rlog output is syntactically ambiguous.  We must
                   2441:       # have guessed wrong about where the end of the last log
                   2442:       # message was.
                   2443:       # Since this is likely to happen when people put rlog output
                   2444:       # in their commit messages, don't even bother keeping
                   2445:       # these lines since we don't know what revision they go with
                   2446:       # any more.
                   2447:       next logentry;
                   2448:     }
                   2449:     $_ = <$fh>;
                   2450:     if (
                   2451:       m|^date:\s+(\d+)/(\d+)/(\d+)\s+(\d+):(\d+):(\d+);\s+author:\s+(\S+);\s+state:\s+(\S+);\s+(lines:\s+([0-9\s+-]+))?|
                   2452:       )
                   2453:     {
                   2454:       my $yr = $1;
                   2455:
                   2456:       # damn 2-digit year routines :-)
                   2457:       if ($yr > 100) {
                   2458:         $yr -= 1900;
                   2459:       }
                   2460:       $date{$rev} = &Time::Local::timegm($6, $5, $4, $3, $2 - 1, $yr);
                   2461:       $author{$rev}    = $7;
                   2462:       $state{$rev}     = $8;
                   2463:       $difflines{$rev} = $10;
                   2464:     } else {
                   2465:       fatal("500 Internal Error", 'Error parsing RCS output: %s', $_);
                   2466:     }
                   2467:
                   2468:   line:
                   2469:     while (<$fh>) {
                   2470:       next line if (/^branches:\s/);
                   2471:       last line if (/$LOG_FILESEPARATOR/o || /$LOG_REVSEPARATOR/o);
                   2472:       $log{$rev} .= $_;
                   2473:     }
                   2474:   }
                   2475:   close($fh);
                   2476:
                   2477:   @revorder = reverse sort { revcmp($a, $b) } @allrevisions;
                   2478:
                   2479:   #
                   2480:   # HEAD is an artificial tag which is simply the highest tag number on the main
                   2481:   # branch, unless there is a branch tag in the RCS file in which case it's the
                   2482:   # highest revision on that branch.  Find it by looking through @revorder; it
                   2483:   # is the first commit listed on the appropriate branch.
                   2484:   # This is not neccesary the same revision as marked as head in the RCS file.
                   2485:   my $headrev = $curbranch || "1";
                   2486:   ($symrev{"MAIN"} = $headrev) =~ s/(\d+)$/0.$1/;
                   2487:
                   2488:   foreach $rev (@revorder) {
                   2489:     if ($rev =~ /^(\S*)\.\d+$/ && $headrev eq $1) {
                   2490:       $symrev{"HEAD"} = $rev;
                   2491:       last;
                   2492:     }
                   2493:   }
                   2494:   ($symrev{"HEAD"} = $headrev) =~ s/\.\d+$//
                   2495:     if (!defined($symrev{"HEAD"}));
                   2496:
                   2497:   #
                   2498:   # Now that we know all of the revision numbers, we can associate
                   2499:   # absolute revision numbers with all of the symbolic names, and
                   2500:   # pass them to the form so that the same association doesn't have
                   2501:   # to be built then.
                   2502:   #
                   2503:   undef @branchnames;
                   2504:   undef %branchpoint;
                   2505:   undef $sel;
                   2506:
                   2507:   foreach (reverse sort keys %symrev) {
                   2508:     $rev = $symrev{$_};
                   2509:     if ($rev =~ /^((.*)\.)?\b0\.(\d+)$/) {
                   2510:       push (@branchnames, $_);
                   2511:
                   2512:       #
                   2513:       # A revision number of A.B.0.D really translates into
                   2514:       # "the highest current revision on branch A.B.D".
                   2515:       #
                   2516:       # If there is no branch A.B.D, then it translates into
                   2517:       # the head A.B .
                   2518:       #
                   2519:       # This reasoning also applies to the main branch A.B,
                   2520:       # with the branch number 0.A, with the exception that
                   2521:       # it has no head to translate to if there is nothing on
                   2522:       # the branch, but I guess this can never happen?
                   2523:       #
                   2524:       # (the code below gracefully forgets about the branch
                   2525:       # if it should happen)
                   2526:       #
                   2527:       $head = defined($2) ? $2 : "";
                   2528:       $branch = $3;
                   2529:       $branchrev = $head . ($head ne "" ? "." : "") . $branch;
                   2530:       my $regex;
                   2531:       $regex = quotemeta $branchrev;
                   2532:       $rev   = $head;
                   2533:
                   2534:       foreach my $r (@revorder) {
                   2535:         if ($r =~ /^${regex}\b/) {
                   2536:           $rev = $branchrev;
                   2537:           last;
                   2538:         }
                   2539:       }
                   2540:       next if ($rev eq "");
                   2541:
                   2542:       if ($rev ne $head && $head ne "") {
3.131     scop     2543:         $branchpoint{$head} .= ', ' if ($branchpoint{$head});
3.120     scop     2544:         $branchpoint{$head} .= $_;
                   2545:       }
                   2546:     }
                   2547:     $revsym{$rev} .= ", " if ($revsym{$rev});
                   2548:     $revsym{$rev} .= $_;
3.136     scop     2549:     $sel .= sprintf("<option value=\"%s:%s\">%s</option>\n",
                   2550:                     htmlquote($rev), (htmlquote($_)) x 2);
3.120     scop     2551:   }
                   2552:
                   2553:   my ($onlyonbranch, $onlybranchpoint);
                   2554:   if ($onlyonbranch = $input{'only_with_tag'}) {
                   2555:     $onlyonbranch = $symrev{$onlyonbranch};
                   2556:     if ($onlyonbranch =~ s/\b0\.//) {
                   2557:       ($onlybranchpoint = $onlyonbranch) =~ s/\.\d+$//;
                   2558:     } else {
                   2559:       $onlybranchpoint = $onlyonbranch;
                   2560:     }
                   2561:
                   2562:     if (!defined($onlyonbranch) || $onlybranchpoint eq "") {
                   2563:       fatal("404 Tag not found", 'Tag %s not defined',
3.131     scop     2564:             $input{'only_with_tag'});
3.120     scop     2565:     }
                   2566:   }
                   2567:
                   2568:   undef @revisions;
                   2569:
                   2570:   foreach (@allrevisions) {
                   2571:     ($br  = $_)  =~ s/\.\d+$//;
                   2572:     ($brp = $br) =~ s/\.\d+$//;
                   2573:     next if ($onlyonbranch
                   2574:              && $br ne $onlyonbranch
                   2575:              && $_  ne $onlybranchpoint);
                   2576:     unshift (@revisions, $_);
                   2577:   }
                   2578:
                   2579:   if ($logsort eq "date") {
                   2580:
                   2581:     # Sort the revisions in commit order an secondary sort on revision
                   2582:     # (secondary sort needed for imported sources, or the first main
                   2583:     # revision gets before the same revision on the 1.1.1 branch)
                   2584:     @revdisplayorder =
                   2585:       sort { $date{$b} <=> $date{$a} || -revcmp($a, $b) } @revisions;
                   2586:   } elsif ($logsort eq "rev") {
                   2587:
                   2588:     # Sort the revisions in revision order, highest first
                   2589:     @revdisplayorder = reverse sort { revcmp($a, $b) } @revisions;
                   2590:   } else {
                   2591:
                   2592:     # No sorting. Present in the same order as rlog / cvs log
                   2593:     @revdisplayorder = @revisions;
                   2594:   }
                   2595:
                   2596: }
                   2597:
                   2598: sub printDiffLinks($$)
                   2599: {
                   2600:   my ($text, $url) = @_;
                   2601:   my @extra;
                   2602:
                   2603:   local $_;
                   2604:   for ($DIFFTYPES{$defaultDiffType}{'colored'} ? qw(u) : qw(h)) {
                   2605:     my $f = $_ eq $defaultDiffType ? '' : $_;
                   2606:
                   2607:     push @extra, &link(lc $DIFFTYPES{$_}{'descr'}, "$url&f=$f");
                   2608:   }
                   2609:
                   2610:   print &link($text, $url), ' (', join (', ', @extra), ')';
                   2611: }
                   2612:
                   2613: sub printLog($;$)
                   2614: {
                   2615:   my ($link, $br, $brp);
                   2616:   ($_, $link) = @_;
                   2617:   ($br  = $_)  =~ s/\.\d+$//;
                   2618:   ($brp = $br) =~ s/\.?\d+$//;
3.131     scop     2619:   my $prev;
3.120     scop     2620:
                   2621:   $link = 1 if (!defined($link));
3.131     scop     2622:   my $isDead = ($state{$_} eq 'dead');
                   2623:   my $isSelected = (defined($input{'r1'}) && $input{'r1'} eq $_);
3.120     scop     2624:
3.131     scop     2625:   print "<div class=\"diff-selected\">\n" if $isSelected;
3.120     scop     2626:   print "<p>\n";
3.131     scop     2627:
3.120     scop     2628:   if ($link && !$isDead) {
3.156     scop     2629:     (my $filename = $where) =~ s/^.*\///;
                   2630:     my $fileurl   = urlencode($filename);
                   2631:     my $mimetype  = getMimeType($filename);
                   2632:     my $viewable  = viewable($mimetype);
                   2633:
3.120     scop     2634:     print "<a name=\"rev$_\"></a>";
                   2635:
                   2636:     if (defined($revsym{$_})) {
                   2637:       foreach my $sym (split (", ", $revsym{$_})) {
3.136     scop     2638:         print '<a name="', hrefquote($sym), '"></a>';
3.120     scop     2639:       }
                   2640:     }
                   2641:
                   2642:     if (defined($revsym{$br})
                   2643:         && $revsym{$br}
                   2644:         && !defined($nameprinted{$br}))
                   2645:     {
                   2646:       foreach my $sym (split (", ", $revsym{$br})) {
3.136     scop     2647:         print '<a name="', hrefquote($sym), '"></a>';
3.120     scop     2648:       }
                   2649:       $nameprinted{$br} = 1;
                   2650:     }
                   2651:     print "\n Revision ";
                   2652:     &download_link($fileurl, $_, $_,
3.156     scop     2653:                    $viewable ? 'text/x-cvsweb-markup' : undef);
3.120     scop     2654:
3.161     scop     2655:     print ' / (';
                   2656:
3.156     scop     2657:     if ($viewable) {
3.120     scop     2658:       &download_link($fileurl, $_, "download", $mimetype);
                   2659:     }
                   2660:
3.156     scop     2661:     if ($mimetype ne 'text/plain') {
3.161     scop     2662:       print ' / ' if $viewable;
3.120     scop     2663:       &download_link($fileurl, $_, "as text", "text/plain");
                   2664:     }
                   2665:
3.156     scop     2666:     if (!$viewable) {
3.161     scop     2667:       print ' / ' if ($mimetype ne 'text/plain');
3.120     scop     2668:       &download_link($fileurl, $_, "view", "text/x-cvsweb-markup");
                   2669:     }
3.161     scop     2670:
                   2671:     print ')';
3.120     scop     2672:
                   2673:     if ($allow_annotate) {
                   2674:       print " - ";
                   2675:       print &link('annotate',
                   2676:                   sprintf('%s/%s?annotate=%s%s',
                   2677:                           $scriptname, urlencode($where), $_, $barequery));
                   2678:     }
                   2679:
                   2680:     # Plus a select link if enabled, and this version isn't selected
                   2681:     if ($allow_version_select) {
3.131     scop     2682:       print ' - ';
                   2683:       if ($isSelected) {
                   2684:         print '<b>[selected]</b>';
3.120     scop     2685:       } else {
3.159     scop     2686:         print &link('select&nbsp;for&nbsp;diffs',
3.131     scop     2687:                     sprintf('%s?r1=%s%s#rev%s',
                   2688:                             $scriptwhere, $_, $barequery, $_));
3.120     scop     2689:       }
                   2690:     }
                   2691:   } else {
                   2692:     print "Revision <b>$_</b>";
                   2693:   }
                   2694:
                   2695:   if (/^1\.1\.1\.\d+$/) {
                   2696:     print " <i>(vendor branch)</i>";
                   2697:   }
                   2698:   if (defined @mytz) {
                   2699:     my ($est) = $mytz[(localtime($date{$_}))[8]];
                   2700:     print ", <i>", scalar localtime($date{$_}), " $est</i> (";
                   2701:   } else {
                   2702:     print ", <i>", scalar gmtime($date{$_}), " UTC</i> (";
                   2703:   }
3.136     scop     2704:   print readableTime(time() - $date{$_}, 1), ' ago)';
                   2705:   print ' by <i>', htmlquote($author{$_}), "</i>\n";
                   2706:
                   2707:   if ($revsym{$br}) {
                   2708:     printf "<br>Branch: <b>%s</b>\n",
                   2709:       $link ? link_tags($revsym{$br}) : htmlquote($revsym{$br});
                   2710:   }
                   2711:   if ($revsym{$_}) {
                   2712:     printf "<br>CVS Tags: <b>%s</b>\n",
                   2713:       $link ? link_tags($revsym{$_}) : htmlquote($revsym{$_});
                   2714:   }
                   2715:   if ($branchpoint{$_}) {
                   2716:     printf "<br>Branch point for: <b>%s</b>\n",
                   2717:       $link ? link_tags($branchpoint{$_}) : htmlquote($branchpoint{$_});
                   2718:   }
3.120     scop     2719:
                   2720:   # Find the previous revision
                   2721:   my @prevrev = split (/\./, $_);
                   2722:   do {
                   2723:     if (--$prevrev[$#prevrev] <= 0) {
                   2724:
                   2725:       # If it was X.Y.Z.1, just make it X.Y
                   2726:       pop (@prevrev);
                   2727:       pop (@prevrev);
                   2728:     }
                   2729:     $prev = join (".", @prevrev);
                   2730:   } until (defined($date{$prev}) || $prev eq "");
                   2731:
                   2732:   if ($prev ne "") {
                   2733:     if ($difflines{$_}) {
                   2734:       print "<br>Changes since <b>$prev: $difflines{$_} lines</b>";
                   2735:     }
                   2736:   }
                   2737:
                   2738:   if ($isDead) {
                   2739:     print "<br><b><i>FILE REMOVED</i></b>\n";
                   2740:   } elsif ($link) {
                   2741:     my %diffrev = ();
                   2742:     $diffrev{$_} = 1;
                   2743:     $diffrev{""} = 1;
                   2744:     print '<br>';
                   2745:     my $diff = 'Diff';
                   2746:
                   2747:     #
                   2748:     # Offer diff to previous revision
                   2749:     if ($prev) {
                   2750:       $diffrev{$prev} = 1;
                   2751:
                   2752:       my $url =
                   2753:         sprintf('%s.diff?r1=%s&r2=%s%s', $scriptwhere, $prev, $_, $barequery);
                   2754:
                   2755:       print $diff, " to previous ";
                   2756:       $diff = '';
                   2757:       printDiffLinks($prev, $url);
                   2758:     }
                   2759:
                   2760:     #
                   2761:     # Plus, if it's on a branch, and it's not a vendor branch,
                   2762:     # offer a diff with the branch point.
                   2763:     if ($revsym{$brp}
                   2764:       && !/^1\.1\.1\.\d+$/
                   2765:       && !defined($diffrev{$brp}))
                   2766:     {
                   2767:       my $url =
                   2768:         sprintf('%s.diff?r1=%s&r2=%s%s', $scriptwhere, $brp, $_, $barequery);
                   2769:
                   2770:       print $diff, " to branchpoint ";
                   2771:       $diff = '';
                   2772:       printDiffLinks($brp, $url);
                   2773:     }
                   2774:
                   2775:     #
                   2776:     # Plus, if it's on a branch, and it's not a vendor branch,
                   2777:     # offer to diff with the next revision of the higher branch.
                   2778:     # (e.g. change gets committed and then brought
                   2779:     # over to -stable)
                   2780:     if (/^\d+\.\d+\.\d+/ && !/^1\.1\.1\.\d+$/) {
                   2781:       my ($i, $nextmain);
                   2782:
                   2783:       for ($i = 0; $i < $#revorder && $revorder[$i] ne $_; $i++) {
                   2784:       }
                   2785:       my @tmp2 = split (/\./, $_);
                   2786:       for ($nextmain = ""; $i > 0; $i--) {
                   2787:         my $next = $revorder[$i - 1];
                   2788:         my @tmp1 = split (/\./, $next);
                   2789:
                   2790:         if (@tmp1 < @tmp2) {
                   2791:           $nextmain = $next;
                   2792:           last;
                   2793:         }
                   2794:
                   2795:         # Only the highest version on a branch should have
                   2796:         # a diff for the "next main".
                   2797:         last
                   2798:           if (@tmp1 - 1 <= @tmp2
                   2799:           && join (".", @tmp1[0 .. $#tmp1 - 1]) eq
                   2800:           join (".", @tmp2[0 .. $#tmp1 - 1]));
                   2801:       }
                   2802:
                   2803:       if (!defined($diffrev{$nextmain})) {
                   2804:         $diffrev{$nextmain} = 1;
                   2805:
                   2806:         my $url = sprintf('%s.diff?r1=%s&r2=%s%s',
                   2807:           $scriptwhere, $nextmain, $_, $barequery);
                   2808:
                   2809:         print $diff, " next main ";
                   2810:         $diff = '';
                   2811:         printDiffLinks($nextmain, $url);
                   2812:       }
                   2813:     }
                   2814:
                   2815:     # Plus if user has selected only r1, then present a link
                   2816:     # to make a diff to that revision
                   2817:     if (defined($input{"r1"}) && !defined($diffrev{$input{"r1"}})) {
                   2818:       $diffrev{$input{"r1"}} = 1;
                   2819:
                   2820:       my $url = sprintf('%s.diff?r1=%s&r2=%s%s',
                   2821:         $scriptwhere, $input{'r1'}, $_, $barequery);
                   2822:
                   2823:       print $diff, " to selected ";
                   2824:       $diff = '';
                   2825:       printDiffLinks($input{'r1'}, $url);
                   2826:     }
                   2827:
                   2828:   }
                   2829:   print "\n</p>\n<pre>\n";
                   2830:   print &htmlify($log{$_}, $allow_log_extra);
                   2831:   print "</pre>\n";
3.131     scop     2832:   print "</div>\n" if $isSelected;
3.120     scop     2833: }
                   2834:
3.132     scop     2835: #
                   2836: # Generates the HTML view for CvsGraph.
                   2837: #
                   2838: sub doGraphView($)
                   2839: {
                   2840:   my ($rev) = @_;
                   2841:
                   2842:   (my $pathname = $where) =~ s|[^/]*$||;
                   2843:   (my $filename = $where) =~ s|^.*/||;
                   2844:
                   2845:   navigateHeader($scriptwhere, $pathname, $filename, $rev, 'graph');
                   2846:
3.146     scop     2847:   my $title = 'Revision graph of ' . htmlquote($pathname . $filename);
3.132     scop     2848:   my $mapname = 'CvsGraphMap';
3.156     scop     2849:   my $ctype = viewable(getMimeType($filename)) ?
                   2850:     '&amp;content-type=text/x-cvsweb-markup' : '';
3.132     scop     2851:
3.151     scop     2852:   printf(<<EOF, $title, $mapname, $cvstree, $rev, $title);
3.146     scop     2853: <h3 style="text-align: center">%s</h3>
3.151     scop     2854: <div align="center"><img border="0" usemap="#%s" src="?cvsroot=%s&amp;graph=%s&amp;makeimage=1" alt="%s"></div>
3.146     scop     2855: EOF
3.132     scop     2856:
3.135     scop     2857:   my @graph_cmd =
                   2858:     ($CMD{cvsgraph},
                   2859:      '-r', $cvsroot,
                   2860:      '-i',
                   2861:      '-M', $mapname,
3.146     scop     2862:      '-x', 4,
                   2863:      "-Omap_branch_href=\"href=\\\"./?only_with_tag=%(%t%)$barequery\\\"\"",
                   2864:      "-Omap_rev_href=\"href=\\\"?rev=%(%R%)$barequery$ctype\\\"\"",
                   2865:      "-Omap_diff_href=\"href=\\\"%(%F%).diff" .
                   2866:      "?r1=%(%P%)&amp;r2=%(%R%)$barequery\\\"\"",
3.135     scop     2867:      );
3.132     scop     2868:   push(@graph_cmd, '-c', $cvsgraph_config) if $cvsgraph_config;
                   2869:
                   2870:   my $pipe = IO::Pipe->new();
                   2871:   $pipe->reader(@graph_cmd, $pathname . $filename . ',v');
                   2872:   while (<$pipe>) {
                   2873:     print;
                   2874:   }
                   2875:   $pipe = undef;
                   2876:
                   2877:   html_footer();
                   2878: }
                   2879:
                   2880: #
                   2881: # Generates a graph using CvsGraph.
                   2882: #
                   2883: sub doGraph($)
                   2884: {
                   2885:   my ($rev) = @_;
                   2886:
                   2887:   (my $pathname = $where) =~ s|[^/]*$||;
                   2888:   (my $filename = $where) =~ s|^.*/||;
                   2889:
                   2890:   http_header('image/png');
                   2891:
                   2892:   my @graph_cmd = ($CMD{cvsgraph}, '-r', $cvsroot);
                   2893:   push(@graph_cmd, '-c', $cvsgraph_config) if $cvsgraph_config;
                   2894:
                   2895:   my $pipe = IO::Pipe->new();
                   2896:   $pipe->reader(@graph_cmd, $pathname . $filename . ',v');
                   2897:   {
                   2898:     local $/ = undef;
                   2899:     binmode(\*STDOUT);
                   2900:     print <$pipe>;
                   2901:   }
                   2902:   $pipe = undef;
                   2903: }
                   2904:
                   2905:
3.120     scop     2906: sub doLog($)
                   2907: {
                   2908:   my ($fullname) = @_;
                   2909:
                   2910:   readLog($fullname);
                   2911:
                   2912:   html_header("CVS log for $where");
3.144     scop     2913:
                   2914:   (my $upwhere  = $where) =~ s|(Attic/)?[^/]+$||;
                   2915:   (my $filename = $where) =~ s|^.*/||;
                   2916:   my $backurl = $scriptname . "/" . urlencode($upwhere) . $query;
                   2917:
3.120     scop     2918:   print "<p>\n ";
                   2919:   print &link($backicon, "$backurl#$filename"), " <b>Up to ",
                   2920:     &clickablePath($upwhere, 1), "</b>\n</p>\n";
                   2921:   print "<p>\n ";
                   2922:   print &link('Request diff between arbitrary revisions', '#diff');
3.132     scop     2923:   if ($allow_cvsgraph) {
                   2924:     print ' / ', &graph_link('', 1, 'Display revisions graphically');
                   2925:   }
3.120     scop     2926:   print "\n</p>\n<hr noshade>\n";
                   2927:
                   2928:   print "<p>\n";
3.152     scop     2929:
                   2930:   my $explain = $keywordsubstitution =~ /b/ ?
                   2931:     ' (i.e.: CVS considers this a binary file)' : '';
                   2932:   print "Keyword substitution: $keywordsubstitution$explain<br>\n";
3.144     scop     2933:   print $curbranch
                   2934:     ? ("Default branch: ", ($revsym{$curbranch} || $curbranch))
                   2935:     : "No default branch";
3.120     scop     2936:   print "<br>\n";
                   2937:
3.153     scop     2938:   print 'Current tag: ', htmlquote($input{only_with_tag}), "<br>\n"
                   2939:     if $input{only_with_tag};
3.120     scop     2940:   print "</p>\n";
                   2941:
                   2942:   undef %nameprinted;
                   2943:
                   2944:   for (my $i = 0; $i <= $#revdisplayorder; $i++) {
                   2945:     print "<hr size=\"1\" noshade>\n";
                   2946:     printLog($revdisplayorder[$i]);
                   2947:   }
                   2948:
3.144     scop     2949:   printf(<<EOF, $scriptwhere);
                   2950: <hr noshade>
                   2951: <p>
                   2952:  <a name="diff">
                   2953:   This form allows you to request diff's between any two revisions of a file.
                   2954:   You may select a symbolic revision name using the selection box or you may
                   2955:   type in a numeric name using the type-in text box.
                   2956:  </a>
                   2957: </p>
                   2958: <form method="get" action="%s.diff" name="diff_select">
                   2959: EOF
3.120     scop     2960:
                   2961:   foreach (@stickyvars) {
3.154     scop     2962:     printf("<input type=\"hidden\" name=\"%s\" value=\"%s\">\n",
                   2963:            $_, htmlquote($input{$_}))
3.120     scop     2964:       if (defined($input{$_})
                   2965:           && ((!defined($DEFAULTVALUE{$_}) || $input{$_} ne $DEFAULTVALUE{$_})
                   2966:               && $input{$_} ne ""));
                   2967:   }
3.144     scop     2968:
                   2969:   print <<EOF;
                   2970: <table style="border: none">
                   2971: <tr>
                   2972: <td align="right">
                   2973: <label for="r1" accesskey="1">Diffs between </label>
                   2974: <select id="r1" name="r1">
                   2975: <option value="text" selected>Use Text Field</option>
                   2976: EOF
                   2977:   print $sel, "</select>\n";
                   2978:
                   2979:   my $diffrev = defined($input{r1}) ?
                   2980:     $input{r1} : $revdisplayorder[$#revdisplayorder];
                   2981:
                   2982:   printf(<<EOF, $inputTextSize, $diffrev);
3.147     scop     2983: <input type="text" size="%s" name="tr1" value="%s" onchange="this.form.r1.selectedIndex=0">
3.144     scop     2984: </td>
                   2985: <td><br></td>
                   2986: </tr><tr>
                   2987: <td align="right">
                   2988: <label for="r2" accesskey="2">and </label>
                   2989: <select id="r2" name="r2">
                   2990: <option value="text" selected>Use Text Field</option>
                   2991: EOF
                   2992:   print $sel, "</select>\n";
                   2993:
                   2994:   $diffrev = defined($input{r2}) ? $input{r2} : $revdisplayorder[0];
                   2995:
                   2996:   printf(<<EOF, $inputTextSize, $diffrev, $scriptwhere);
                   2997: <input type="text" size="%s" name="tr2" value="%s" onchange="this.form.r2.selectedIndex=0">
                   2998: </td>
                   2999: <td><input type="submit" value="  Get Diffs  " accesskey="G"></td>
                   3000: </tr>
                   3001: </table>
                   3002: </form>
                   3003: <hr noshade>
                   3004: <form method="get" action="%s">
                   3005: <table style="border: none">
                   3006: <tr>
                   3007:  <td align="right">
                   3008:   <label for="f" accesskey="D">Preferred Diff type:</label>
                   3009:  </td><td>
                   3010: EOF
                   3011:
3.120     scop     3012:   printDiffSelect($use_java_script);
3.144     scop     3013:
                   3014:   print <<EOF;
                   3015:  </td>
                   3016:  <td></td>
                   3017: </tr>
                   3018: EOF
3.120     scop     3019:
                   3020:   if (@branchnames) {
3.144     scop     3021:
                   3022:     printf(<<EOF, $use_java_script ? ' onchange="this.form.submit()"' : '');
                   3023: <tr>
                   3024: <td align="right">
                   3025: <label for="only_with_tag" accesskey="B">View only Branch:</label>
                   3026: </td><td>
                   3027: <a name="branch"></a>
                   3028: <select id="only_with_tag" name="only_with_tag"%s>
                   3029: EOF
                   3030:     print '<option value=""';
                   3031:     print ' selected'
                   3032:       if (defined($input{"only_with_tag"}) && $input{"only_with_tag"} eq '');
3.120     scop     3033:     print ">Show all branches</option>\n";
                   3034:
                   3035:     foreach (reverse sort @branchnames) {
3.136     scop     3036:       my $selected =
                   3037:         (defined($input{"only_with_tag"}) && $input{"only_with_tag"} eq $_);
                   3038:       printf("<option%s>%s</option>\n",
                   3039:              $selected ? ' selected' : '',
                   3040:              htmlquote($_));
3.120     scop     3041:     }
3.144     scop     3042:     print <<EOF
                   3043: </select>
                   3044: </td>
                   3045: <td></td>
                   3046: </tr>
                   3047: EOF
3.120     scop     3048:   }
                   3049:
3.144     scop     3050:   print <<EOF;
                   3051:  <tr>
                   3052:   <td align="right">
                   3053:    <a name="logsort"></a>
                   3054:    <label for="logsort" accesskey="L">Sort log by:</label>
                   3055:   </td><td>
                   3056: EOF
3.120     scop     3057:   printLogSortSelect($use_java_script);
3.144     scop     3058:   print <<EOF;
                   3059:   </td>
                   3060:   <td><input type="submit" value="  Set  " accesskey="S"></td>
                   3061:  </tr>
                   3062: </table>
                   3063: EOF
3.154     scop     3064:   foreach (@stickyvars) {
                   3065:     next if ($_ eq "f");
                   3066:     next if ($_ eq "only_with_tag");
                   3067:     next if ($_ eq "logsort");
                   3068:     printf("<input type=\"hidden\" name=\"$_\" value=\"%s\">\n",
                   3069:            htmlquote($input{$_}))
                   3070:       if (defined($input{$_})
                   3071:           && (!defined($DEFAULTVALUE{$_})
                   3072:               || $input{$_} ne $DEFAULTVALUE{$_})
                   3073:           && $input{$_} ne "");
                   3074:   }
                   3075:   print "</form>\n";
3.120     scop     3076:   html_footer();
                   3077: }
                   3078:
                   3079: sub flush_diff_rows($$$$)
                   3080: {
                   3081:   my ($leftColRef, $rightColRef, $leftRow, $rightRow) = @_;
                   3082:
                   3083:   if (!defined($state)) {
                   3084:     return;
                   3085:   }
                   3086:
                   3087:   if ($state eq "PreChangeRemove") {    # we just got remove-lines before
3.133     scop     3088:     for (my $j = 0; $j < $leftRow; $j++) {
3.144     scop     3089:       printf(<<EOF, scalar(@$leftColRef[$j]));
                   3090: <tr>
                   3091:  <td class="diff-removed">&nbsp;%s</td>
                   3092:  <td class="diff-empty">&nbsp;</td>
                   3093: </tr>
                   3094: EOF
3.120     scop     3095:     }
                   3096:   } elsif ($state eq "PreChange") {     # state eq "PreChange"
                   3097:                                         # we got removes with subsequent adds
                   3098:
3.133     scop     3099:     for (my $j = 0; $j < $leftRow || $j < $rightRow; $j++) {  # dump both cols
3.120     scop     3100:       print "<tr>\n";
                   3101:       if ($j < $leftRow) {
                   3102:         print "<td class=\"diff-changed\">&nbsp;@$leftColRef[$j]</td>";
                   3103:       } else {
                   3104:         print "<td class=\"diff-changed-missing\">&nbsp;</td>";
                   3105:       }
                   3106:       print "\n";
                   3107:
                   3108:       if ($j < $rightRow) {
                   3109:         print "<td class=\"diff-changed\">&nbsp;@$rightColRef[$j]</td>";
                   3110:       } else {
                   3111:         print "<td class=\"diff-changed-missing\">&nbsp;</td>";
                   3112:       }
                   3113:       print "\n</tr>\n";
                   3114:     }
                   3115:   }
3.1       knu      3116: }
                   3117:
                   3118: ##
                   3119: # Function to generate Human readable diff-files
                   3120: # human_readable_diff(String revision_to_return_to);
                   3121: ##
3.144     scop     3122: sub human_readable_diff($$)
3.120     scop     3123: {
                   3124:   my ($fh, $rev) = @_;
3.144     scop     3125:
3.120     scop     3126:   my ($date1, $date2, $r1d, $r2d, $r1r, $r2r, $rev1, $rev2, $sym1, $sym2);
                   3127:
3.144     scop     3128:   (my $where_nd       = $where)       =~ s/.diff$//;
                   3129:   (my $filename       = $where_nd)    =~ s/^.*\///;
                   3130:   (my $pathname       = $where_nd)    =~ s/(Attic\/)?[^\/]*$//;
                   3131:   (my $scriptwhere_nd = $scriptwhere) =~ s/.diff$//;
3.120     scop     3132:
3.133     scop     3133:   navigateHeader($scriptwhere_nd, $pathname, $filename, $rev, 'diff');
3.120     scop     3134:
                   3135:   # Read header to pick up read revision and date, if possible
                   3136:   while (<$fh>) {
                   3137:     ($r1d, $r1r) = /\t(.*)\t(.*)$/ if (/^--- /);
                   3138:     ($r2d, $r2r) = /\t(.*)\t(.*)$/ if (/^\+\+\+ /);
                   3139:     last if (/^\+\+\+ /);
                   3140:   }
                   3141:
                   3142:   if (defined($r1r) && $r1r =~ /^(\d+\.)+\d+$/) {
                   3143:     $rev1  = $r1r;
                   3144:     $date1 = $r1d;
                   3145:   }
                   3146:   if (defined($r2r) && $r2r =~ /^(\d+\.)+\d+$/) {
                   3147:     $rev2  = $r2r;
                   3148:     $date2 = $r2d;
                   3149:   }
                   3150:
3.144     scop     3151:   # Using <table style=\"border: none\" here breaks NS 4.x badly...
                   3152:   printf(<<EOF, $where_nd, $rev1, $rev2, $rev1);
                   3153: <h3 style="text-align: center">Diff for /%s between versions %s and %s</h3>
3.147     scop     3154: <table border="0" cellspacing="0" cellpadding="0" width="100%%">
3.144     scop     3155: <tr style="background-color: #ffffff">
3.147     scop     3156: <th style="text-align: center; vertical-align: top" width="50%%">version %s
3.144     scop     3157: EOF
                   3158:   print ', ', $date1 if defined($date1);
                   3159:   print "<br>Tag: $sym1\n" if $sym1;
                   3160:   printf(<<EOF, $rev2);
                   3161: </th>
3.147     scop     3162: <th style="text-align: center; vertical-align: top" width="50%%">version %s
3.144     scop     3163: EOF
                   3164:   print ', ', $date2 if defined($date2);
                   3165:   print "<br>Tag: $sym2\n" if $sym2;
3.120     scop     3166:   print "</th>\n";
                   3167:
                   3168:   # Process diff text
                   3169:   # prefetch several lines
                   3170:   my @buf = head($fh);
3.144     scop     3171:   my %d = scan_directives(@buf);
3.120     scop     3172:
3.144     scop     3173:   my $leftRow  = 0;
                   3174:   my $rightRow = 0;
                   3175:   my ($difftxt, @rightCol, @leftCol, $oldline, $newline, $funname);
                   3176:   my ($diffcode, $rest);
3.120     scop     3177:
                   3178:   while (@buf || !eof($fh)) {
                   3179:     $difftxt = @buf ? shift @buf : <$fh>;
                   3180:
                   3181:     if ($difftxt =~ /^@@/) {
                   3182:       ($oldline, $newline, $funname) =
                   3183:         $difftxt =~ /@@ \-([0-9]+).*\+([0-9]+).*@@(.*)/;
                   3184:       $funname = htmlquote($funname);
                   3185:       $funname =~ s/\s/&nbsp;/go;
3.144     scop     3186:
                   3187:       printf(<<EOF, $oldline, $funname, $newline, $funname);
                   3188: <tr class="diff-heading">
3.147     scop     3189: <td width="50%%">
                   3190:  <table width="100%%" border="1" cellpadding="5">
3.144     scop     3191:   <tr>
                   3192:    <td><b>Line&nbsp;%s</b>&nbsp;<span style="font-size: smaller">%s</span></td>
                   3193:   </tr>
                   3194:  </table>
3.147     scop     3195: </td><td width="50%%">
                   3196:  <table width="100%%" border="1" cellpadding="5">
3.144     scop     3197:   <tr>
                   3198:    <td><b>Line&nbsp;%s</b>&nbsp;<span style="font-size: smaller">%s</span></td>
                   3199:   </tr>
                   3200:  </table>
                   3201: </td>
                   3202: EOF
                   3203:
3.120     scop     3204:       $state    = "dump";
                   3205:       $leftRow  = 0;
                   3206:       $rightRow = 0;
                   3207:     } else {
                   3208:       ($diffcode, $rest) = $difftxt =~ /^([-+ ])(.*)/;
                   3209:       $_ = spacedHtmlText($rest, $d{'tabstop'});
                   3210:
                   3211:       #########
                   3212:       # little state machine to parse unified-diff output (Hen, zeller@think.de)
                   3213:       # in order to get some nice 'ediff'-mode output
                   3214:       # states:
                   3215:       #  "dump"             - just dump the value
                   3216:       #  "PreChangeRemove"  - we began with '-' .. so this could be the start of a 'change' area or just remove
                   3217:       #  "PreChange"        - okey, we got several '-' lines and moved to '+' lines -> this is a change block
                   3218:       ##########
                   3219:
                   3220:       if ($diffcode eq '+') {
                   3221:         if ($state eq "dump")
                   3222:         {    # 'change' never begins with '+': just dump out value
3.144     scop     3223:           printf(<<EOF, $_);
                   3224: <tr>
                   3225:  <td class="diff-empty">&nbsp;</td>
                   3226:  <td class="diff-added">&nbsp;%s</td>
                   3227: </tr>
                   3228: EOF
3.120     scop     3229:         } else {    # we got minus before
                   3230:           $state = "PreChange";
                   3231:           $rightCol[$rightRow++] = $_;
                   3232:         }
                   3233:       } elsif ($diffcode eq '-') {
                   3234:         $state = "PreChangeRemove";
                   3235:         $leftCol[$leftRow++] = $_;
                   3236:       } else {    # empty diffcode
                   3237:         flush_diff_rows \@leftCol, \@rightCol, $leftRow, $rightRow;
3.147     scop     3238:         printf(<<EOF, $_, $_);
3.144     scop     3239: <tr>
                   3240:  <td class="diff-same">&nbsp;%s</td>
                   3241:  <td class="diff-same">&nbsp;%s</td>
                   3242: </tr>
                   3243: EOF
3.120     scop     3244:         $state    = "dump";
                   3245:         $leftRow  = 0;
                   3246:         $rightRow = 0;
                   3247:       }
                   3248:     }
                   3249:   }
                   3250:   close($fh);
                   3251:
                   3252:   flush_diff_rows \@leftCol, \@rightCol, $leftRow, $rightRow;
                   3253:
                   3254:   # state is empty if we didn't have any change
                   3255:   if (!$state) {
3.144     scop     3256:     print <<EOF;
                   3257: <tr>
                   3258:  <td colspan="2">&nbsp;</td>
                   3259: </tr>
                   3260: <tr class="diff-empty">
                   3261:  <td colspan="2" align="center"><b>- No viewable change -</b></td>
                   3262: </tr>
                   3263: EOF
3.120     scop     3264:   }
                   3265:
3.144     scop     3266:   printf(<<EOF, $scriptwhere, $rev1, $rev2);
                   3267: </table>
3.147     scop     3268: <hr style="width: 100%%" noshade>
3.144     scop     3269: <form method="get" action="%s">
                   3270: <table style="border: none">
                   3271: <tr>
                   3272: <td>
                   3273:  <table border="1">
                   3274:   <tr>
                   3275:    <td>
                   3276:     Legend:<br>
                   3277:     <table style="border: none" cellspacing="0" cellpadding="1">
                   3278:      <tr>
                   3279:       <td align="center" class="diff-removed">Removed from v.%s</td>
                   3280:       <td class="diff-empty">&nbsp;</td>
                   3281:      </tr><tr class="diff-changed">
                   3282:       <td align="center" colspan="2">changed lines</td>
                   3283:      </tr><tr>
                   3284:       <td class="diff-empty">&nbsp;</td>
                   3285:       <td align="center" class="diff-added">Added in v.%s</td>
                   3286:      </tr>
                   3287:     </table>
                   3288:    </td>
                   3289:   </tr>
                   3290:  </table>
                   3291: </td>
                   3292: <td>
                   3293: EOF
3.120     scop     3294:
                   3295:   # Print format selector
                   3296:   foreach my $var (keys %input) {
                   3297:     next if ($var eq "f");
                   3298:     next if (defined($DEFAULTVALUE{$var})
                   3299:              && $DEFAULTVALUE{$var} eq $input{$var});
                   3300:     print "<input type=\"hidden\" name=\"", urlencode($var), "\" value=\"",
                   3301:       urlencode($input{$var}), "\">\n";
                   3302:   }
                   3303:   printDiffSelect($use_java_script);
                   3304:
3.144     scop     3305:   print <<EOF;
                   3306: <input type="submit" value="Show">
                   3307: </td>
                   3308: </tr>
                   3309: </table>
                   3310: </form>
                   3311: EOF
3.120     scop     3312: }
                   3313:
3.163     scop     3314: sub navigateHeader($$$$$;$)
3.120     scop     3315: {
3.163     scop     3316:   my ($swhere, $path, $filename, $rev, $title, $moddate) = @_;
3.120     scop     3317:   $swhere = "" if ($swhere eq $scriptwhere);
                   3318:   $swhere = './' . urlencode($filename) if ($swhere eq "");
                   3319:
3.136     scop     3320:   my $qfile = htmlquote($filename);
                   3321:   my $qpath = htmlquote($path);
3.100     knu      3322:
3.163     scop     3323:   http_header('', $moddate);
3.133     scop     3324:
3.120     scop     3325:   print <<EOF;
3.100     knu      3326: $HTML_DOCTYPE
3.89      knu      3327: <html>
                   3328: <head>
3.136     scop     3329: <title>$qpath$qfile - $title - $rev</title>
3.144     scop     3330: $HTML_META$CSS</head>
3.129     scop     3331: <body class="src">
                   3332: <table width="100%" class="navigate-header" style="border: none" cellspacing="0" cellpadding="1">
3.144     scop     3333:  <tr valign="bottom">
                   3334:   <td>
3.64      knu      3335: EOF
                   3336:
3.120     scop     3337:   print &link($backicon, "$swhere$query#rev$rev");
3.136     scop     3338:   printf '<b>Return to %s CVS log',
                   3339:     &link(htmlquote($filename), "$swhere$query#rev$rev");
3.120     scop     3340:   print "</b> $fileicon</td>";
                   3341:
3.144     scop     3342:   printf(<<EOF, $diricon, &clickablePath($path, 1));
                   3343:   <td align="right">%s <b>Up to %s</b></td>
                   3344:  </tr>
                   3345: </table>
                   3346: EOF
3.120     scop     3347: }
                   3348:
                   3349: sub plural_write($$)
                   3350: {
                   3351:   my ($num, $text) = @_;
                   3352:   if ($num != 1) {
                   3353:     $text .= "s";
                   3354:   }
                   3355:
                   3356:   if ($num > 0) {
                   3357:     return join (' ', $num, $text);
                   3358:   } else {
                   3359:     return "";
                   3360:   }
3.1       knu      3361: }
                   3362:
                   3363: ##
                   3364: # print readable timestamp in terms of
                   3365: # '..time ago'
                   3366: # H. Zeller <zeller@think.de>
                   3367: ##
3.120     scop     3368: sub readableTime($$)
                   3369: {
                   3370:   my ($secs, $long) = @_;
                   3371:
                   3372:   # this function works correct for time >= 2 seconds
                   3373:   if ($secs < 2) {
                   3374:     return "very little time";
                   3375:   }
                   3376:
                   3377:   my %desc = (
3.133     scop     3378:               1        => 'second',
                   3379:               60       => 'minute',
                   3380:               3600     => 'hour',
                   3381:               86400    => 'day',
                   3382:               604800   => 'week',
                   3383:               2628000  => 'month',
                   3384:               31536000 => 'year'
                   3385:              );
                   3386:
3.120     scop     3387:   my @breaks = sort { $a <=> $b } keys %desc;
3.133     scop     3388:   my $i = 0;
3.120     scop     3389:
                   3390:   while ($i <= $#breaks && $secs >= 2 * $breaks[$i]) {
                   3391:     $i++;
                   3392:   }
                   3393:   $i--;
3.133     scop     3394:   my $break  = $breaks[$i];
                   3395:   my $retval = plural_write(int($secs / $break), $desc{$break});
3.120     scop     3396:
                   3397:   if ($long == 1 && $i > 0) {
                   3398:     my $rest = $secs % $break;
                   3399:     $i--;
                   3400:     $break = $breaks[$i];
                   3401:     my $resttime = plural_write(int($rest / $break), $desc{$break});
                   3402:     if ($resttime) {
                   3403:       $retval .= ", $resttime";
                   3404:     }
                   3405:   }
3.1       knu      3406:
3.120     scop     3407:   return $retval;
3.1       knu      3408: }
                   3409:
                   3410: ##
                   3411: # clickablePath(String pathname, boolean last_item_clickable)
                   3412: #
                   3413: # returns a html-ified path whereas each directory is a link for
                   3414: # faster navigation. last_item_clickable controls whether the
                   3415: # basename (last directory/file) is a link as well
                   3416: ##
3.120     scop     3417: sub clickablePath($$)
                   3418: {
                   3419:   my ($pathname, $clickLast) = @_;
                   3420:
3.154     scop     3421:   my $root = '[' . htmlquote($CVSROOTdescr{$cvstree} || $cvstree) . ']';
                   3422:
3.144     scop     3423:   # This should never happen (see chooseCVSRoot()), but let's be sure...
3.154     scop     3424:   return $root if ($pathname eq '/');
3.120     scop     3425:
3.144     scop     3426:   my $retval =
3.154     scop     3427:     ' ' . &link($root, sprintf('%s/%s#dirlist', $scriptname, $query));
3.144     scop     3428:   my $wherepath = '';
                   3429:   my ($lastslash) = $pathname =~ m|/$|;
                   3430:
                   3431:   foreach (split (/\//, $pathname)) {
                   3432:     $retval .= ' / ';
                   3433:     $wherepath .= "/$_";
                   3434:     my $last = "$wherepath/" eq "/$pathname" || $wherepath eq "/$pathname";
                   3435:
                   3436:     if ($clickLast || !$last) {
                   3437:       $retval .= &link(htmlquote($_),
                   3438:                        join ('',
                   3439:                              $scriptname, urlencode($wherepath),
                   3440:                              (!$last || $lastslash ? '/' : ''), $query,
                   3441:                              (!$last || $lastslash ? "#dirlist" : "")));
                   3442:     } else {    # do not make a link to the current dir
                   3443:       $retval .= htmlquote($_);
3.120     scop     3444:     }
                   3445:   }
                   3446:   return $retval;
                   3447: }
                   3448:
3.144     scop     3449:
3.120     scop     3450: sub chooseCVSRoot()
                   3451: {
                   3452:
                   3453:   print "<form method=\"get\" action=\"${scriptwhere}\">\n";
                   3454:   if (2 <= @CVSROOT) {
3.133     scop     3455:     foreach my $k (keys %input) {
3.154     scop     3456:       printf("<input type=\"hidden\" name=\"%s\" value=\"%s\">\n",
                   3457:              htmlquote($k), htmlquote($input{$k}))
                   3458:         if ($input{$k} && $k ne 'cvsroot');
3.120     scop     3459:     }
                   3460:
                   3461:     # Form-Elements look wierd in Netscape if the background
                   3462:     # isn't gray and the form elements are not placed
                   3463:     # within a table ...
3.144     scop     3464:     printf(<<EOF, $use_java_script ? ' onchange="this.form.submit()"' : '');
                   3465: <table style="border: none">
                   3466: <tr>
                   3467: <td><label for="cvsroot" accesskey="C">CVS Root:</label></td>
                   3468: <td>
                   3469: <select id="cvsroot" name="cvsroot"%s>
                   3470: EOF
3.120     scop     3471:
3.133     scop     3472:     foreach my $k (@CVSROOT) {
3.136     scop     3473:       printf("<option value=\"%s\"%s>%s</option>\n",
                   3474:              htmlquote($k),
                   3475:              ($k eq $cvstree) ? ' selected' : '',
                   3476:              htmlquote($CVSROOTdescr{$k} || $k));
3.120     scop     3477:     }
                   3478:     print "</select>\n</td>\n<td>";
                   3479:   } else {
                   3480:
                   3481:     # no choice -- but we need the form to select module/path,
                   3482:     # at least for Netscape
3.154     scop     3483:     printf "<p>\nCVS Root: <b>[%s]</b>",
                   3484:       htmlquote($CVSROOTdescr{$cvstree} || $cvstree);
3.120     scop     3485:   }
                   3486:
3.144     scop     3487:   print <<EOF;
                   3488: <label for="mpath" accesskey="M">
                   3489: Module path or alias:
                   3490: <input type="text" id="mpath" name="path" value="" size="15">
                   3491: </label>
                   3492: <input type="submit" value="Go" accesskey="O">
                   3493: EOF
3.120     scop     3494:
3.144     scop     3495:   print 2 <= @CVSROOT ? "</td>\n</tr>\n</table>" : '</p>';
3.120     scop     3496:   print "\n</form>";
                   3497: }
                   3498:
                   3499: sub chooseMirror()
                   3500: {
                   3501:
                   3502:   # This code comes from the original BSD-cvsweb
                   3503:   # and may not be useful for your site; If you don't
                   3504:   # set %MIRRORS this won't show up, anyway.
                   3505:   scalar(%MIRRORS) or return;
                   3506:
                   3507:   # Should perhaps exclude the current site somehow...
                   3508:   print "\n<p>\nThis CVSweb is mirrored in\n";
                   3509:
                   3510:   my @tmp = map(&link(htmlquote($_), $MIRRORS{$_}), sort keys %MIRRORS);
                   3511:   my $tmp = pop (@tmp);
                   3512:
                   3513:   if (scalar(@tmp)) {
                   3514:     print join (', ', @tmp), ' and ';
                   3515:   }
                   3516:
                   3517:   print "$tmp.\n</p>\n";
                   3518: }
                   3519:
                   3520: sub fileSortCmp()
                   3521: {
                   3522:   my ($comp) = 0;
                   3523:   my ($c, $d, $af, $bf);
                   3524:
                   3525:   ($af = $a) =~ s/,v$//;
                   3526:   ($bf = $b) =~ s/,v$//;
                   3527:   my ($rev1, $date1, $log1, $author1, $filename1) = @{$fileinfo{$af}}
                   3528:     if (defined($fileinfo{$af}));
                   3529:   my ($rev2, $date2, $log2, $author2, $filename2) = @{$fileinfo{$bf}}
                   3530:     if (defined($fileinfo{$bf}));
                   3531:
3.140     scop     3532:   if (defined($filename1) && defined($filename2) &&
                   3533:       $af eq $filename1   && $bf eq $filename2)
3.120     scop     3534:   {
                   3535:
                   3536:     # Two files
3.140     scop     3537:     $comp = -revcmp($rev1, $rev2)             if ($byrev  && $rev1  && $rev2);
                   3538:     $comp = ($date2   <=> $date1)             if ($bydate && $date1 && $date2);
                   3539:     if ($input{ignorecase}) {
                   3540:       $comp = (uc($log1)    cmp uc($log2))    if ($bylog && $log1 && $log2);
                   3541:       $comp = (uc($author1) cmp uc($author2)) if ($byauthor &&
                   3542:                                                   $author1 && $author2);
                   3543:     } else {
                   3544:       $comp = ($log1    cmp $log2)            if ($bylog && $log1 && $log2);
                   3545:       $comp = ($author1 cmp $author2)         if ($byauthor &&
                   3546:                                                   $author1 && $author2);
                   3547:     }
3.120     scop     3548:   }
                   3549:
                   3550:   if ($comp == 0) {
                   3551:
                   3552:     # Directories first, then files under version control,
                   3553:     # then other, "rogue" files.
                   3554:     # Sort by filename if no other criteria available.
                   3555:
                   3556:     my $ad = (
                   3557:       (-d "$fullname/$a")
                   3558:       ? 'D'
                   3559:       : (defined($fileinfo{$af}) ? 'F' : 'R')
                   3560:     );
                   3561:     my $bd = (
                   3562:       (-d "$fullname/$b")
                   3563:       ? 'D'
                   3564:       : (defined($fileinfo{$bf}) ? 'F' : 'R')
                   3565:     );
                   3566:     ($c = $a) =~ s|.*/||;
                   3567:     ($d = $b) =~ s|.*/||;
3.144     scop     3568:
                   3569:     my ($l, $r) = ("$ad$c", "$bd$d");
                   3570:     $comp = $input{ignorecase} ? (uc($l) cmp uc($r)) : ($l cmp $r);
                   3571:
                   3572:     # Parent dir is always first, then Attic.
                   3573:     if ($comp != 0) {
                   3574:       if ($l eq 'D..') {
3.149     scop     3575:         $comp = -1;
3.144     scop     3576:       } elsif ($r eq 'D..') {
3.149     scop     3577:         $comp = 1;
3.144     scop     3578:       } elsif ($l eq 'DAttic') {
3.149     scop     3579:         $comp = -1;
3.144     scop     3580:       } elsif ($r eq 'DAttic') {
3.149     scop     3581:         $comp = 1;
3.144     scop     3582:       }
                   3583:     }
3.120     scop     3584:   }
                   3585:   return $comp;
3.1       knu      3586: }
                   3587:
                   3588: # make A url for downloading
3.120     scop     3589: sub download_url($$;$)
                   3590: {
                   3591:   my ($url, $revision, $mimetype) = @_;
3.1       knu      3592:
3.120     scop     3593:   $revision =~ s/\b0\.//;
3.1       knu      3594:
3.146     scop     3595:   if (defined($checkoutMagic) &&
                   3596:       (!defined($mimetype) || $mimetype !~ $CvsWebMarkupRE))
3.120     scop     3597:   {
                   3598:     my $path = $where;
                   3599:     $path =~ s|[^/]+$||;
                   3600:     $url = "$scriptname/$checkoutMagic/${path}$url";
                   3601:   }
                   3602:   $url .= "?rev=$revision";
                   3603:   $url .= '&content-type=' . urlencode($mimetype) if (defined($mimetype));
3.67      knu      3604:
3.120     scop     3605:   $url;
3.1       knu      3606: }
                   3607:
3.12      knu      3608: # Presents a link to download the
3.1       knu      3609: # selected revision
3.120     scop     3610: sub download_link($$$;$)
                   3611: {
                   3612:   my ($url, $revision, $textlink, $mimetype) = @_;
                   3613:   my ($fullurl) = download_url($url, $revision, $mimetype);
                   3614:
                   3615:   $fullurl =~ s/:/sprintf("%%%02x", ord($&))/eg;
                   3616:
3.159     scop     3617:   printf '<a href="%s" class="download-link"', hrefquote("$fullurl$barequery");
3.120     scop     3618:
3.146     scop     3619:   if ($open_extern_window &&
                   3620:       (!defined($mimetype) || $mimetype !~ $CvsWebMarkupRE))
3.120     scop     3621:   {
                   3622:     print ' target="cvs_checkout"';
                   3623:
                   3624:     # we should have
                   3625:     #   'if (document.cvswin==null) document.cvswin=window.open(...'
                   3626:     # in order to allow the user to resize the window; otherwise
                   3627:     # the user may resize the window, but on next checkout - zap -
                   3628:     # its original (configured s. cvsweb.conf) size is back again
                   3629:     # .. annoying (if $extern_window_(width|height) is defined)
                   3630:     # but this if (..) solution is far from perfect
                   3631:     # what we need to do as well is
                   3632:     # 1) save cvswin in an invisible frame that always exists
                   3633:     #    (document.cvswin will be void on next load)
                   3634:     # 2) on close of the cvs_checkout - window set the cvswin
                   3635:     #    variable to 'null' again - so that it will be
                   3636:     #    reopenend with the configured size
                   3637:     # anyone a JavaScript programmer ?
                   3638:     # .. so here without if (..):
                   3639:     # currently, the best way is to comment out the size parameters
                   3640:     # ($extern_window...) in cvsweb.conf.
                   3641:     if ($use_java_script) {
3.159     scop     3642:       my @attr = qw(resizable scrollbars menubar);
3.120     scop     3643:
                   3644:       push @attr, qw(status toolbar)
                   3645:         if (defined($mimetype) && $mimetype eq "text/html");
                   3646:
                   3647:       push @attr, "width=$extern_window_width"
                   3648:         if (defined($extern_window_width));
                   3649:
                   3650:       push @attr, "height=$extern_window_height"
                   3651:         if (defined($extern_window_height));
                   3652:
                   3653:       # We need the "return false" here to prevent browsers
                   3654:       # from following the href after the onclick handler.
                   3655:       # This would effectively load the same document in
                   3656:       # the same window *twice*.
                   3657:       printf q` onclick="window.open('%s','cvs_checkout','%s');return false"`,
                   3658:         hrefquote("$fullurl$barequery"), join (',', @attr);
                   3659:     }
                   3660:   }
3.159     scop     3661:   print ">$textlink</a>";
3.132     scop     3662: }
                   3663:
                   3664: sub graph_link($$;$)
                   3665: {
                   3666:   my ($url, $revision, $text) = @_;
                   3667:   $text ||= $graphicon;
                   3668:   return sprintf('<a href="%s?graph=%s%s">%s</a>',
                   3669:                  hrefquote($url), hrefquote($revision), hrefquote($barequery),
                   3670:                  $text);
3.1       knu      3671: }
                   3672:
                   3673: # Returns a Query string with the
                   3674: # specified parameter toggled
3.140     scop     3675: sub toggleQuery($;$)
3.120     scop     3676: {
                   3677:   my ($toggle, $value) = @_;
3.133     scop     3678:
                   3679:   my %vars = %input;
3.120     scop     3680:
                   3681:   if (defined($value)) {
                   3682:     $vars{$toggle} = $value;
                   3683:   } else {
                   3684:     $vars{$toggle} = $vars{$toggle} ? 0 : 1;
                   3685:   }
                   3686:
                   3687:   # Build a new query of non-default paramenters
3.133     scop     3688:   my $newquery = "";
                   3689:   foreach my $var (@stickyvars) {
3.120     scop     3690:     my ($value)   = defined($vars{$var})         ? $vars{$var}         : "";
                   3691:     my ($default) = defined($DEFAULTVALUE{$var}) ? $DEFAULTVALUE{$var} : "";
                   3692:
                   3693:     if ($value ne $default) {
                   3694:       $newquery .= "&" if ($newquery ne "");
                   3695:       $newquery .= urlencode($var) . "=" . urlencode($value);
                   3696:     }
                   3697:   }
                   3698:
                   3699:   if ($newquery) {
                   3700:     return '?' . $newquery;
                   3701:   }
                   3702:   return "";
                   3703: }
                   3704:
                   3705: sub urlencode($)
                   3706: {
                   3707:   local ($_) = @_;
                   3708:
                   3709:   s/[\000-+{-\377]/sprintf("%%%02x", ord($&))/ge;
                   3710:
                   3711:   $_;
                   3712: }
                   3713:
                   3714: sub htmlquote($)
                   3715: {
                   3716:   local ($_) = @_;
                   3717:
                   3718:   # Special Characters; RFC 1866
                   3719:   s/&/&amp;/g;
                   3720:   s/\"/&quot;/g;
                   3721:   s/</&lt;/g;
                   3722:   s/>/&gt;/g;
                   3723:
                   3724:   $_;
                   3725: }
                   3726:
                   3727: sub htmlunquote($)
                   3728: {
                   3729:   local ($_) = @_;
                   3730:
                   3731:   # Special Characters; RFC 1866
                   3732:   s/&quot;/\"/g;
                   3733:   s/&lt;/</g;
                   3734:   s/&gt;/>/g;
                   3735:   s/&amp;/&/g;
                   3736:
                   3737:   $_;
                   3738: }
                   3739:
                   3740: sub hrefquote($)
                   3741: {
                   3742:   local ($_) = @_;
                   3743:
                   3744:   y/ /+/;
                   3745:
                   3746:   htmlquote($_);
                   3747: }
                   3748:
3.163     scop     3749: sub http_header(;$$)
3.120     scop     3750: {
3.163     scop     3751:   my ($content_type, $moddate) = @_;
                   3752:   $content_type ||= 'text/html';
3.120     scop     3753:
                   3754:   $content_type .= "; charset=$charset"
3.163     scop     3755:     if ($charset && $content_type =~ m,^text/,);
3.120     scop     3756:
3.163     scop     3757:   if ($moddate) {
3.120     scop     3758:     if ($is_mod_perl) {
                   3759:       Apache->request->header_out(
                   3760:         "Last-Modified" => scalar gmtime($moddate) . " GMT");
                   3761:     } else {
                   3762:       print "Last-Modified: ", scalar gmtime($moddate), " GMT\r\n";
                   3763:     }
                   3764:   }
                   3765:
                   3766:   if ($is_mod_perl) {
                   3767:     Apache->request->content_type($content_type);
                   3768:   } else {
                   3769:     print "Content-Type: $content_type\r\n";
                   3770:   }
                   3771:
                   3772:   if ($allow_compress && $maycompress) {
                   3773:     if ($has_zlib
                   3774:         || (defined($CMD{gzip}) && open(GZIP, "| $CMD{gzip} -1 -c")))
                   3775:     {
                   3776:
                   3777:       if ($is_mod_perl) {
                   3778:         Apache->request->content_encoding("x-gzip");
                   3779:         Apache->request->header_out(Vary => "Accept-Encoding");
                   3780:         Apache->request->send_http_header;
                   3781:       } else {
                   3782:         print "Content-Encoding: x-gzip\r\n";
                   3783:         print "Vary: Accept-Encoding\r\n";    #RFC 2068, 14.43
                   3784:         print "\r\n";                         # Close headers
                   3785:       }
                   3786:       $| = 1;
                   3787:       $| = 0;                                 # Flush header output
                   3788:
                   3789:       if ($has_zlib) {
                   3790:         tie *GZIP, __PACKAGE__, \*STDOUT;
                   3791:       }
                   3792:       select(GZIP);
                   3793:       $gzip_open = 1;
                   3794:
3.149     scop     3795:       #     print "<!-- gzipped -->" if ($content_type =~ m|^text/html\b|);
3.120     scop     3796:     } else {
                   3797:       if ($is_mod_perl) {
                   3798:         Apache->request->send_http_header;
                   3799:       } else {
                   3800:         print "\r\n";    # Close headers
                   3801:       }
                   3802:       print
                   3803:         "<span style=\"font-size: smaller\">Unable to find gzip binary in the <b>\$command_path</b> ($command_path) to compress output</span><br>";
                   3804:     }
                   3805:   } else {
                   3806:
                   3807:     if ($is_mod_perl) {
                   3808:       Apache->request->send_http_header;
                   3809:     } else {
                   3810:       print "\r\n";      # Close headers
                   3811:     }
                   3812:   }
                   3813: }
                   3814:
3.131     scop     3815:
3.163     scop     3816: sub html_header($;$)
3.120     scop     3817: {
3.163     scop     3818:   my ($title, $moddate) = @_;
                   3819:   $title = htmlquote($title);
3.162     scop     3820:   my $l = $logo || '';
3.163     scop     3821:   http_header('text/html', $moddate);
3.120     scop     3822:   print <<EOH;
3.100     knu      3823: $HTML_DOCTYPE
3.1       knu      3824: <html>
3.40      knu      3825: <head>
3.134     scop     3826: <title>$title</title>
3.144     scop     3827: $HTML_META$CSS</head>
3.129     scop     3828: <body>
3.162     scop     3829: $l <h1 align="center">$title</h1>
3.1       knu      3830: EOH
                   3831: }
                   3832:
3.120     scop     3833: sub html_footer()
                   3834: {
3.127     scop     3835:   print "<hr noshade>\n<address>$address</address>\n" if $address;
                   3836:   print "</body>\n</html>\n";
3.1       knu      3837: }
                   3838:
3.120     scop     3839: sub link_tags($)
                   3840: {
                   3841:   my ($tags) = @_;
                   3842:   my ($ret)  = "";
                   3843:   my ($fileurl, $filename);
                   3844:
                   3845:   ($filename = $where) =~ s/^.*\///;
                   3846:   $fileurl = './' . urlencode($filename);
                   3847:
                   3848:   foreach my $sym (split (", ", $tags)) {
                   3849:     $ret .= ",\n" if ($ret ne "");
3.136     scop     3850:     $ret .= &link(htmlquote($sym),
                   3851:                   $fileurl . toggleQuery('only_with_tag', $sym));
3.120     scop     3852:   }
                   3853:   return "$ret\n";
3.1       knu      3854: }
                   3855:
                   3856: #
3.81      knu      3857: # See if a module is listed in the config file's @HideModules list.
3.1       knu      3858: #
3.120     scop     3859: sub forbidden_module($)
                   3860: {
                   3861:   my ($module) = @_;
                   3862:   local $_;
                   3863:
                   3864:   for (@HideModules) {
                   3865:     return 1 if $module =~ $_;
                   3866:   }
                   3867:   return 0;
                   3868: }
                   3869:
                   3870: sub forbidden_file($)
                   3871: {
                   3872:   my ($path) = @_;
                   3873:   $path = substr($path, length($cvsroot) + 1);
                   3874:   local $_;
                   3875:   for (@ForbiddenFiles) {
                   3876:     return 1 if $path =~ $_;
                   3877:   }
                   3878:   return 0;
3.129     scop     3879: }
                   3880:
3.25      knu      3881:
                   3882: # Close the GZIP handle remove the tie.
                   3883:
3.120     scop     3884: sub gzipclose
                   3885: {
                   3886:   if ($gzip_open) {
                   3887:     select(STDOUT);
                   3888:     close(GZIP);
                   3889:     untie *GZIP;
                   3890:     $gzip_open = 0;
                   3891:   }
3.23      knu      3892: }
                   3893:
                   3894: # implement a gzipped file handle via the Compress:Zlib compression
                   3895: # library.
                   3896:
                   3897: sub MAGIC1() { 0x1f }
                   3898: sub MAGIC2() { 0x8b }
3.80      knu      3899: sub OSCODE() { 3 }
3.23      knu      3900:
3.120     scop     3901: sub TIEHANDLE
                   3902: {
                   3903:   my ($class, $out) = @_;
                   3904:   my ($d) = Compress::Zlib::deflateInit(
                   3905:     -Level      => Compress::Zlib::Z_BEST_COMPRESSION(),
                   3906:     -WindowBits => -Compress::Zlib::MAX_WBITS()
                   3907:     )
                   3908:     or return undef;
                   3909:   my ($o) = { handle => $out,
                   3910:               dh     => $d,
                   3911:               crc    => 0,
                   3912:               len    => 0,
                   3913:             };
                   3914:   my ($header) = pack("c10",
                   3915:                       MAGIC1, MAGIC2, Compress::Zlib::Z_DEFLATED(),
                   3916:                       0, 0, 0, 0, 0, 0, OSCODE);
                   3917:   print {$o->{handle}} $header;
                   3918:   return bless($o, $class);
                   3919: }
                   3920:
                   3921: sub PRINT
                   3922: {
                   3923:   my ($o)   = shift;
3.164     scop     3924:   my ($buf) = join (defined($,) ? $, : "", @_);
3.120     scop     3925:   my ($len) = length($buf);
                   3926:   my ($compressed, $status) = $o->{dh}->deflate($buf);
                   3927:   print {$o->{handle}} $compressed if defined($compressed);
                   3928:   $o->{crc} = Compress::Zlib::crc32($buf, $o->{crc});
                   3929:   $o->{len} += $len;
                   3930:   return $len;
                   3931: }
                   3932:
                   3933: sub PRINTF
                   3934: {
                   3935:   my ($o)   = shift;
                   3936:   my ($fmt) = shift;
                   3937:   my ($buf) = sprintf($fmt, @_);
                   3938:   my ($len) = length($buf);
                   3939:   my ($compressed, $status) = $o->{dh}->deflate($buf);
                   3940:   print {$o->{handle}} $compressed if defined($compressed);
                   3941:   $o->{crc} = Compress::Zlib::crc32($buf, $o->{crc});
                   3942:   $o->{len} += $len;
                   3943:   return $len;
                   3944: }
                   3945:
                   3946: sub WRITE
                   3947: {
                   3948:   my ($o, $buf, $len, $off) = @_;
                   3949:   my ($compressed, $status) = $o->{dh}->deflate(substr($buf, 0, $len));
                   3950:   print {$o->{handle}} $compressed if defined($compressed);
                   3951:   $o->{crc} = Compress::Zlib::crc32(substr($buf, 0, $len), $o->{crc});
                   3952:   $o->{len} += $len;
                   3953:   return $len;
                   3954: }
                   3955:
                   3956: sub CLOSE
                   3957: {
                   3958:   my ($o) = @_;
                   3959:   return if !defined($o->{dh});
                   3960:   my ($buf) = $o->{dh}->flush();
                   3961:   $buf .= pack("V V", $o->{crc}, $o->{len});
                   3962:   print {$o->{handle}} $buf;
                   3963:   undef $o->{dh};
                   3964: }
                   3965:
                   3966: sub DESTROY
                   3967: {
                   3968:   my ($o) = @_;
                   3969:   CLOSE($o);
1.1       jfieber  3970: }
3.149     scop     3971:
                   3972: # Local variables:
                   3973: # indent-tabs-mode: nil
                   3974: # cperl-indent-level: 2
                   3975: # End:

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