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Annotation of cvsweb/cvsweb.cgi, Revision 3.232

3.204     scop        1: #!/usr/bin/perl -T
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
3.216     scop       24: #           (c) 2002-2004 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:
3.204     scop       54: require 5.006;
3.55      knu        55:
3.1       knu        56: use strict;
1.21      wosch      57:
3.204     scop       58: use warnings;
                     59: use filetest qw(access);
                     60:
3.1       knu        61: use vars qw (
3.222     scop       62:   $VERSION $CheckoutMagic $MimeTypes
3.144     scop       63:   $config $allow_version_select
3.120     scop       64:   @CVSrepositories @CVSROOT %CVSROOT %CVSROOTdescr
                     65:   %MIRRORS %DEFAULTVALUE %ICONS %MTYPES
3.225     scop       66:   %DIFF_COMMANDS @DIFFTYPES %DIFFTYPES @LOGSORTKEYS %LOGSORTKEYS
3.129     scop       67:   %alltags %fileinfo %tags @branchnames %nameprinted
3.120     scop       68:   %symrev %revsym @allrevisions %date %author @revdisplayorder
3.152     scop       69:   @revisions %state %difflines %log %branchpoint @revorder $keywordsubstitution
3.120     scop       70:   $prcgi @prcategories $re_prcategories $prkeyword $re_prkeyword $mancgi
3.222     scop       71:   $doCheckout $scriptname $scriptwhere
3.120     scop       72:   $where $pathinfo $Browser $nofilelinks $maycompress
3.194     scop       73:   @stickyvars %funcline_regexp
3.120     scop       74:   $is_links $is_lynx $is_w3m $is_msie $is_mozilla3 $is_textbased
                     75:   %input $query $barequery $sortby $bydate $byrev $byauthor
                     76:   $bylog $byfile $defaultDiffType $logsort $cvstree $cvsroot
3.230     scop       77:   $charset $output_filter
                     78:   @command_path %CMD $allow_compress $backicon $diricon $fileicon $graphicon
3.152     scop       79:   $fullname $newname $cvstreedefault $logo $defaulttitle $address $binfileicon
3.131     scop       80:   $long_intro $short_instruction $shortLogLen $show_author
3.129     scop       81:   $tablepadding $hr_breakable $showfunc $hr_ignwhite $hr_ignkeysubst
                     82:   $inputTextSize $mime_types $allow_annotate $allow_markup
3.120     scop       83:   $allow_log_extra $allow_dir_extra $allow_source_extra
3.218     scop       84:   $allow_cvsgraph $cvsgraph_config $use_java_script $edit_option_form
3.144     scop       85:   $show_subdir_lastmod $show_log_in_markup $preformat_in_markup
3.217     scop       86:   $tabstop $state $annTable $sel @HideModules @ForbiddenFiles
3.163     scop       87:   $module $use_descriptions %descriptions @mytz $dwhere
3.222     scop       88:   $use_moddate $gzip_open $file_list_len
3.120     scop       89:   $allow_tar @tar_options @gzip_options @zip_options @cvs_options
3.222     scop       90:   @annotate_options @rcsdiff_options
3.165     scop       91:   $HTML_DOCTYPE $HTML_META $cssurl $CSS
3.222     scop       92:   $allow_enscript @enscript_options %enscript_types
3.1       knu        93: );
                     94:
3.183     scop       95: use Cwd                   qw(abs_path cwd);
3.172     scop       96: use File::Basename        qw(dirname);
3.171     scop       97: use File::Path            qw(rmtree);
3.232   ! scop       98: use File::Spec::Functions qw(canonpath catdir catfile curdir devnull rootdir
        !            99:                              tmpdir updir);
3.225     scop      100: use File::Temp            qw(tempdir tempfile);
3.229     scop      101: use IPC::Run              qw();
3.172     scop      102: use Time::Local           qw(timegm);
3.206     scop      103: use URI::Escape           qw(uri_escape uri_unescape);
3.122     scop      104:
3.222     scop      105: use constant VALID_PATH   => qr/^([[:^cntrl:]]+)$/o;
                    106: use constant VALID_TAG1   => qr/^([a-zA-Z][[:graph:]]*)$/o;
                    107: use constant VALID_TAG2   => qr/^([^\$,.:;@]+)$/o;
                    108: use constant CVSWEBMARKUP => qr/^text\/(x-cvsweb|vnd\.viewcvs)-markup$/io;
                    109: use constant LOG_FILESEPR => qr/^={77}$/o;
                    110: use constant LOG_REVSEPR  => qr/^-{28}$/o;
                    111:
                    112: use constant HAS_ZLIB     => eval { require Compress::Zlib; };
                    113: use constant HAS_EDIFF    => eval { require String::Ediff;  };
3.194     scop      114:
3.122     scop      115: # -----------------------------------------------------------------------------
                    116:
                    117: # All global initialization that can be done in compile time should go to
                    118: # the BEGIN block.  Persistent environments, such as mod_perl, will benefit
                    119: # from this.
                    120:
                    121: BEGIN
                    122: {
3.219     scop      123:   $VERSION = '2.9.2-dev';
3.122     scop      124:
                    125:   $HTML_DOCTYPE =
3.208     scop      126:     '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" ' .
                    127:     '"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">';
3.122     scop      128:
                    129:   $HTML_META = <<EOM;
3.208     scop      130: <meta name="robots" content="nofollow" />
                    131: <meta name="generator" content="FreeBSD-CVSweb $VERSION" />
                    132: <meta http-equiv="Content-Script-Type" content="text/javascript" />
                    133: <meta http-equiv="Content-Style-Type" content="text/css" />
3.122     scop      134: EOM
                    135:
3.156     scop      136:   # Use MIME::Types for MIME type lookups if it's available.
                    137:   eval {
                    138:     require MIME::Types;
3.223     scop      139:     $MimeTypes = MIME::Types->new(only_complete => 1);
3.156     scop      140:   };
                    141:   $MimeTypes = undef if $@;
                    142:
3.222     scop      143:   $CheckoutMagic = '~checkout~';
3.122     scop      144: }
                    145:
                    146: # -----------------------------------------------------------------------------
                    147:
3.12      knu       148: sub printDiffSelect($);
3.168     scop      149: sub printDiffSelectStickyVars();
3.225     scop      150: sub getDiffLinks($$$);
3.37      knu       151: sub printLogSortSelect($);
3.12      knu       152: sub findLastModifiedSubdirs(@);
3.36      knu       153: sub htmlify_sub(&$);
3.12      knu       154: sub htmlify($;$);
3.20      knu       155: sub spacedHtmlText($;$);
3.12      knu       156: sub link($$);
                    157: sub revcmp($$);
3.103     knu       158: sub fatal($$@);
3.12      knu       159: sub redirect($);
                    160: sub safeglob($);
3.58      knu       161: sub search_path($);
3.219     scop      162: sub getEnscriptHL($);
3.156     scop      163: sub getMimeType($;$);
3.24      knu       164: sub head($;$);
                    165: sub scan_directives(@);
3.86      knu       166: sub openOutputFilter();
3.133     scop      167: sub doAnnotate($);
3.12      knu       168: sub doCheckout($$);
3.167     scop      169: sub doEnscript($$$);
3.170     scop      170: sub doGraph();
                    171: sub doGraphView();
3.219     scop      172: sub cvswebMarkup($$$$$$;$);
3.12      knu       173: sub viewable($);
                    174: sub doDiff($$$$$$);
                    175: sub getDirLogs($$@);
                    176: sub readLog($;$);
3.219     scop      177: sub printLog($$$;$$);
3.12      knu       178: sub doLog($);
                    179: sub flush_diff_rows($$$$);
3.144     scop      180: sub human_readable_diff($$);
3.163     scop      181: sub navigateHeader($$$$$;$);
3.12      knu       182: sub plural_write($$);
                    183: sub readableTime($$);
                    184: sub clickablePath($$);
                    185: sub chooseCVSRoot();
                    186: sub chooseMirror();
                    187: sub fileSortCmp();
                    188: sub download_url($$;$);
                    189: sub download_link($$$;$);
3.219     scop      190: sub display_url($$;$);
                    191: sub display_link($$;$$);
3.170     scop      192: sub graph_link($;$);
3.140     scop      193: sub toggleQuery($;$);
3.12      knu       194: sub urlencode($);
3.35      knu       195: sub htmlquote($);
3.36      knu       196: sub htmlunquote($);
3.48      knu       197: sub hrefquote($);
3.163     scop      198: sub http_header(;$$);
                    199: sub html_header($;$);
3.12      knu       200: sub html_footer();
                    201: sub link_tags($);
3.81      knu       202: sub forbidden_file($);
3.12      knu       203: sub forbidden_module($);
3.191     scop      204: sub startproc(@);
3.215     scop      205: sub runproc(@);
3.225     scop      206: sub checkout_to_temp($$$);
3.12      knu       207:
3.1       knu       208: ##### Start of Configuration Area ########
3.122     scop      209:
3.142     scop      210: # Get rid of unsafe environment vars.  Don't do this in BEGIN...
                    211: delete(@ENV{qw(PATH IFS CDPATH ENV BASH_ENV)});
3.59      knu       212:
3.172     scop      213: my ($mydir) = (dirname($0) =~ /(.*)/);    # untaint
3.58      knu       214:
3.12      knu       215: # == EDIT this ==
3.28      knu       216: # Locations to search for user configuration, in order:
3.165     scop      217: for (catfile($mydir, 'cvsweb.conf'), '/usr/local/etc/cvsweb/cvsweb.conf') {
                    218:   if (-r $_) {
3.120     scop      219:     $config = $_;
                    220:     last;
                    221:   }
3.11      knu       222: }
3.122     scop      223: undef $mydir;
3.1       knu       224:
                    225: # == Configuration defaults ==
                    226: # Defaults for configuration variables that shouldn't need
                    227: # to be configured..
                    228: $allow_version_select = 1;
3.120     scop      229: $allow_log_extra      = 1;
3.1       knu       230:
                    231: ##### End of Configuration Area   ########
                    232:
                    233: ######## Configuration variables #########
                    234: # These are defined to allow checking with perl -cw
3.120     scop      235:
3.80      knu       236: @CVSrepositories = @CVSROOT = %CVSROOT = %MIRRORS = %DEFAULTVALUE = %ICONS =
3.225     scop      237:   %MTYPES = %tags = %alltags = %fileinfo = %DIFF_COMMANDS = ();
3.120     scop      238:
3.129     scop      239: $cvstreedefault = $logo = $defaulttitle =
3.120     scop      240:   $address = $long_intro = $short_instruction = $shortLogLen = $show_author =
3.131     scop      241:   $tablepadding = $hr_breakable = $showfunc = $hr_ignwhite =
3.129     scop      242:   $hr_ignkeysubst = $inputTextSize = $mime_types = $allow_annotate =
3.218     scop      243:   $allow_markup = $use_java_script = $edit_option_form =
3.144     scop      244:   $show_subdir_lastmod = $show_log_in_markup =
3.163     scop      245:   $tabstop = $use_moddate = $gzip_open = undef;
3.32      knu       246:
3.37      knu       247: @DIFFTYPES = qw(h H u c s);
                    248: @DIFFTYPES{@DIFFTYPES} = (
3.120     scop      249:   {
                    250:     'descr'   => 'colored',
                    251:     'opts'    => ['-u'],
                    252:     'colored' => 1,
                    253:   },
                    254:   {
                    255:     'descr'   => 'long colored',
                    256:     'opts'    => ['--unified=15'],
                    257:     'colored' => 1,
                    258:   },
                    259:   {
                    260:     'descr'   => 'unified',
                    261:     'opts'    => ['-u'],
                    262:     'colored' => 0,
                    263:   },
                    264:   {
                    265:     'descr'   => 'context',
                    266:     'opts'    => ['-c'],
                    267:     'colored' => 0,
                    268:   },
                    269:   {
                    270:     'descr'   => 'side by side',
                    271:     'opts'    => ['--side-by-side', '--width=164'],
                    272:     'colored' => 0,
                    273:   },
3.80      knu       274: );
3.37      knu       275:
                    276: @LOGSORTKEYS = qw(cvs date rev);
                    277: @LOGSORTKEYS{@LOGSORTKEYS} = (
3.120     scop      278:   {'descr' => 'Not sorted',},
                    279:   {'descr' => 'Commit date',},
                    280:   {'descr' => 'Revision',},
3.80      knu       281: );
3.37      knu       282:
3.1       knu       283: ##### End of configuration variables #####
                    284:
3.194     scop      285: if ($ENV{PATH_INFO}) {
                    286:   ($pathinfo) = ($ENV{PATH_INFO} =~ VALID_PATH)
                    287:     or fatal('500 Internal Error',
                    288:              'Illegal PATH_INFO in environment: <code>%s</code>',
                    289:              $ENV{PATH_INFO});
                    290: }
                    291: if ($ENV{SCRIPT_NAME}) {
                    292:   ($scriptname) = ($ENV{SCRIPT_NAME} =~ VALID_PATH)
                    293:     or fatal('500 Internal Error',
                    294:              'Illegal SCRIPT_NAME in environment: <code>%s</code>',
                    295:              $ENV{SCRIPT_NAME});
                    296: }
                    297:
                    298: $pathinfo      = '' unless defined($pathinfo);
                    299: $scriptname    = '' unless defined($scriptname);
                    300:
3.120     scop      301: $where         =  $pathinfo;
3.222     scop      302: $doCheckout    =  ($where =~ m|^/$CheckoutMagic/|o);
                    303: $where         =~ s|^/$CheckoutMagic/|/|o;
3.120     scop      304: $where         =~ s|^/||;
                    305: $scriptname    =~ s|^/*|/|;
3.63      knu       306:
3.64      knu       307: # Let's workaround thttpd's stupidity..
3.63      knu       308: if ($scriptname =~ m|/$|) {
3.120     scop      309:   $pathinfo .= '/';
                    310:   my $re = quotemeta $pathinfo;
                    311:   $scriptname =~ s/$re$//;
3.63      knu       312: }
                    313:
3.120     scop      314: $scriptwhere  = $scriptname;
3.63      knu       315: $scriptwhere .= '/' . urlencode($where);
                    316: $where = '/' if ($where eq '');
3.3       knu       317:
3.188     scop      318: # In text-based browsers, it's very annoying to have two links per file;
                    319: # skip linking the image for them.
                    320:
3.120     scop      321: $Browser     = $ENV{HTTP_USER_AGENT} || '';
3.187     scop      322: $is_links    = ($Browser =~ m`^E?Links `);
3.80      knu       323: $is_lynx     = ($Browser =~ m`^Lynx/`i);
                    324: $is_w3m      = ($Browser =~ m`^w3m/`i);
                    325: $is_msie     = ($Browser =~ m`MSIE`);
3.5       knu       326: $is_mozilla3 = ($Browser =~ m`^Mozilla/[3-9]`);
3.3       knu       327:
3.34      knu       328: $is_textbased = ($is_links || $is_lynx || $is_w3m);
3.5       knu       329:
                    330: $nofilelinks = $is_textbased;
3.1       knu       331:
                    332: # newer browsers accept gzip content encoding
                    333: # and state this in a header
                    334: # (netscape did always but didn't state it)
                    335: # It has been reported that these
                    336: #  braindamaged MS-Internet Exploders claim that they
                    337: # accept gzip .. but don't in fact and
                    338: # display garbage then :-/
3.23      knu       339: # Turn off gzip if running under mod_perl and no zlib is available,
                    340: # piping does not work as expected inside the server.
3.120     scop      341: $maycompress = (
                    342:   ((defined($ENV{HTTP_ACCEPT_ENCODING})
                    343:     && $ENV{HTTP_ACCEPT_ENCODING} =~ /gzip/)
                    344:    || $is_mozilla3)
                    345:   && !$is_msie
3.222     scop      346:   && !(defined($ENV{MOD_PERL}) && !HAS_ZLIB)
3.120     scop      347: );
3.1       knu       348:
3.194     scop      349: # Variables that will be sticky in all constructed links/query strings.
                    350: @stickyvars =
                    351:   qw(cvsroot hideattic ignorecase sortby logsort f only_with_tag ln);
1.1       jfieber   352:
3.227     scop      353: #
                    354: # Load configuration.
                    355: #
3.1       knu       356: if (-f $config) {
3.120     scop      357:   do "$config"
                    358:     or fatal("500 Internal Error",
3.208     scop      359:              'Error in loading configuration file: %s<br /><br />%s<br />',
3.120     scop      360:              $config, $@);
3.27      knu       361: } else {
3.120     scop      362:   fatal("500 Internal Error",
                    363:         'Configuration not found.  Set the variable <code>$config</code> in cvsweb.cgi to your <b>cvsweb.conf</b> configuration file first.');
3.1       knu       364: }
                    365:
3.183     scop      366: # Try to find a readable dir where we can cd into.  Some abs_path()
                    367: # implementations as well as various cvs operations require such a dir to
                    368: # work properly.
                    369: {
                    370:   local $^W = 0;
3.190     scop      371:   if (!-r cwd()) {
                    372:     for my $dir (tmpdir(), rootdir()) {
                    373:       last if (-r $dir && chdir($dir));
                    374:     }
3.183     scop      375:   }
                    376: }
                    377:
3.144     scop      378: $CSS = $cssurl ?
3.208     scop      379:   sprintf("<link rel=\"stylesheet\" type=\"text/css\" href=\"%s\" />\n",
3.144     scop      380:           htmlquote($cssurl)) : '';
                    381:
3.194     scop      382: # --- input parameters
                    383:
3.202     scop      384: my %query = ();
                    385: if (defined($ENV{QUERY_STRING})) {
                    386:   for my $p (split(/[;&]+/, $ENV{QUERY_STRING})) {
                    387:     next unless $p;
                    388:     $p =~ y/+/ /;
                    389:     my ($key, $val) = split(/=/, $p, 2);
                    390:     next unless defined($key);
                    391:     $val = 1 unless defined($val);
3.222     scop      392:     ($key = uri_unescape($key)) =~ /[[:graph:]]/ or next;
                    393:     ($val = uri_unescape($val)) =~ /[[:graph:]]/ or next;
3.202     scop      394:     $query{$key} = $val;
                    395:   }
                    396: }
                    397:
3.1       knu       398: undef %input;
1.10      wosch     399:
3.194     scop      400: my $t;
                    401: for my $p (qw(graph hideattic hidecvsroot hidenonreadable ignorecase ln copt
                    402:               makeimage options tarball)) {
3.202     scop      403:   $t = $query{$p};
                    404:   if (defined($t)) {
3.222     scop      405:     ($input{$p}) = ($t =~ /^([01]|on)$/)
3.194     scop      406:       or fatal('500 Internal Error',
                    407:                'Invalid boolean value: <code>%s=%s</code>', $p, $t);
                    408:   }
                    409: }
                    410: for my $p (qw(annotate r1 r2 rev tr1 tr2)) {
3.202     scop      411:   $t = $query{$p};
                    412:   if (defined($t)) {
3.207     scop      413:     if (($p eq 'r1' || $p eq 'r2') && $t eq 'text') {
                    414:       # Special case for the "Use text field" option in the log view diff form.
                    415:       $input{$p} = $t;
                    416:       next;
                    417:     }
3.194     scop      418:     my ($rev, $tag) = split(/:/, $t, 2);
3.222     scop      419:     ($input{$p}) = ($rev =~ /^(\d+(?:\.\d+)+)$/)
3.194     scop      420:       or fatal('500 Internal Error',
                    421:                'Invalid revision: <code>%s=%s</code>', $p, $t);
                    422:     if (defined($tag)) {
                    423:       ($tag) = ($tag =~ VALID_TAG1)
                    424:         or fatal('500 Internal Error',
                    425:                  'Invalid revision: <code>%s=%s</code>', $p, $t);
                    426:       ($tag) = ($tag =~ VALID_TAG2)
                    427:         or fatal('500 Internal Error',
                    428:                  'Invalid revision: <code>%s=%s</code>', $p, $t);
3.207     scop      429:       $input{$p} .= ':' . $tag;
3.194     scop      430:     }
                    431:   }
                    432: }
3.202     scop      433: $t = defined($query{only_with_tag}) ?
                    434:   $query{only_with_tag} : $query{only_on_branch}; # Backwards compatibility.
                    435: if (defined($t)) {
3.211     scop      436:   ($input{only_with_tag}) = ($t =~ VALID_TAG1)
3.194     scop      437:     or fatal('500 Internal Error',
                    438:              'Invalid tag/branch name: <code>%s</code>', $t);
3.211     scop      439:   ($input{only_with_tag}) = ($t =~ VALID_TAG2)
3.194     scop      440:     or fatal('500 Internal Error',
                    441:              'Invalid tag/branch name: <code>%s</code>', $t);
                    442: }
3.202     scop      443: $t = $query{logsort};
                    444: if (defined($t)) {
3.222     scop      445:   ($input{logsort}) = ($t =~ /^(cvs|date|rev)$/)
3.194     scop      446:     or fatal('500 Internal Error',
                    447:              'Unsupported log sort key: <code>%s</code>', $t);
                    448: }
3.202     scop      449: $t = $query{f};
                    450: if (defined($t)) {
3.225     scop      451:   ($input{f}) = ($t =~ /^(([hH]|[ucs]c?)|ext\d*)$/)
3.194     scop      452:     or fatal('500 Internal Error',
                    453:              'Unsupported diff format: <code>%s</code>', $t);
                    454: }
3.202     scop      455: $t = $query{sortby};
                    456: if (defined($t)) {
3.222     scop      457:   ($input{sortby}) = ($t =~ /^(file|date|rev|author|log)$/)
3.194     scop      458:     or fatal('500 Internal Error',
                    459:              'Unsupported dir sort key: <code>%s</code>', $t);
                    460: }
3.202     scop      461: $t = $query{'content-type'};
                    462: if (defined($t)) {
3.222     scop      463:   ($input{'content-type'}) = ($t =~ /^([-0-9A-Za-z]+\/[-0-9A-Za-z\.]+)$/)
3.194     scop      464:     or fatal('500 Internal Error',
                    465:              'Unsupported content type: <code>%s</code>', $t);
                    466: }
3.202     scop      467: $t = $query{cvsroot};
                    468: if (defined($t)) {
3.222     scop      469:   ($input{cvsroot}) = ($t =~ /^([[:print:]]+)$/)
3.194     scop      470:     or fatal('500 Internal Error',
                    471:              'Invalid symbolic CVS root name: <code>%s</code>', $t);
                    472: }
3.202     scop      473: $t = $query{path};
                    474: if (defined($t)) {
3.194     scop      475:   ($input{path}) = ($t =~ VALID_PATH)
                    476:     or fatal('500 Internal Error',
                    477:              'Invalid path: <code>%s</code>', $t);
3.97      knu       478: }
3.194     scop      479: undef($t);
3.205     scop      480: undef(%query);
3.97      knu       481:
3.194     scop      482: # --- end input parameters
1.10      wosch     483:
3.158     scop      484: #
                    485: # CVS roots
                    486: #
                    487: my $rootfound = 0;
                    488: for (my $i = 0; $i < scalar(@CVSrepositories); $i += 2) {
                    489:   my $key = $CVSrepositories[$i];
3.232   ! scop      490:   my ($descr, $root) = @{$CVSrepositories[$i+1]};
        !           491:   $root = canonpath($root);
        !           492:   unless (-d $root) {
        !           493:     warn("Root '$root' defined in \@CVSrepositories is not a directory, " .
3.158     scop      494:          'entry ignored');
                    495:     next;
                    496:   }
                    497:   $rootfound ||= 1;
                    498:   $cvstreedefault = $key unless defined($cvstreedefault);
                    499:   $CVSROOTdescr{$key} = $descr;
3.232   ! scop      500:   $CVSROOT{$key} = $root;
3.158     scop      501:   push(@CVSROOT, $key);
                    502: }
                    503: unless ($rootfound) {
                    504:   fatal('500 Internal Error',
                    505:         'No valid CVS roots found!  See <code>@CVSrepositories</code> in ' .
3.221     scop      506:         'the configuration file (<code>%s</code>).',
3.158     scop      507:         $config);
                    508: }
                    509: undef $rootfound;
                    510:
                    511: #
                    512: # Default CVS root
                    513: #
                    514: if (!defined($CVSROOT{$cvstreedefault})) {
                    515:   fatal("500 Internal Error",
                    516:         '<code>$cvstreedefault</code> points to a repository (%s) not ' .
                    517:         'defined in <code>@CVSrepositories</code> in your configuration ' .
                    518:         'file (<code>%s</code>).',
                    519:         $cvstreedefault,
                    520:         $config);
                    521: }
                    522:
3.1       knu       523: $DEFAULTVALUE{'cvsroot'} = $cvstreedefault;
1.10      wosch     524:
3.120     scop      525: while (my ($key, $defval) = each %DEFAULTVALUE) {
3.80      knu       526:
3.120     scop      527:   # Replace not given parameters with defaults.
3.194     scop      528:   next unless (defined($defval) && $defval =~ /\S/ && !defined($input{$key}));
3.120     scop      529:
                    530:   # Empty checkboxes in forms return nothing, so we define a helper variable
                    531:   # in these forms (copt) which indicates that we just set parameters with a
                    532:   # checkbox.
3.194     scop      533:   if ($input{copt}) {
3.120     scop      534:
3.194     scop      535:     # 'copt' is set -> the result of empty input checkbox
3.120     scop      536:     # -> set to zero (disable) if default is a boolean (0|1).
                    537:     $input{$key} = 0 if ($defval eq '0' || $defval eq '1');
                    538:
                    539:   } else {
                    540:
3.194     scop      541:     # 'copt' isn't set --> empty input is not the result
3.120     scop      542:     # of empty input checkbox --> set default.
                    543:     $input{$key} = $defval;
                    544:   }
1.10      wosch     545: }
3.12      knu       546:
3.1       knu       547: $barequery = "";
3.31      knu       548: my @barequery;
3.1       knu       549: foreach (@stickyvars) {
3.80      knu       550:
3.120     scop      551:   # construct a query string with the sticky non default parameters set
                    552:   if (defined($input{$_})
                    553:       && !(defined($DEFAULTVALUE{$_}) && $input{$_} eq $DEFAULTVALUE{$_}))
                    554:   {
3.206     scop      555:     push(@barequery, join('=', uri_escape($_), uri_escape($input{$_})));
3.120     scop      556:   }
3.1       knu       557: }
3.80      knu       558:
3.168     scop      559: if ($allow_enscript) {
                    560:   push(@DIFFTYPES, qw(uc cc sc));
                    561:   @DIFFTYPES{qw(uc cc sc)} = (
                    562:     {
                    563:      'descr'   => 'unified, colored',
                    564:      'opts'    => ['-u'],
                    565:      'colored' => 0,
                    566:     },
                    567:     {
                    568:      'descr'   => 'context, colored',
                    569:      'opts'    => ['-c'],
                    570:      'colored' => 0,
                    571:     },
                    572:     {
                    573:      'descr'   => 'side by side, colored',
                    574:      'opts'    => ['--side-by-side', '--width=164'],
                    575:      'colored' => 0,
                    576:     },
                    577:   );
                    578: } else {
                    579:   # No Enscript -> respect difftype, but don't offer colorization.
                    580:   if ($input{f} && $input{f} =~ /^([ucs])c$/) {
                    581:     $input{f} = $1;
                    582:   }
                    583: }
                    584:
3.1       knu       585: # is there any query ?
3.31      knu       586: if (@barequery) {
3.203     scop      587:   $barequery = join (';', @barequery);
3.120     scop      588:   $query     = "?$barequery";
3.203     scop      589:   $barequery = ";$barequery";
3.80      knu       590: } else {
3.120     scop      591:   $query = "";
3.1       knu       592: }
3.31      knu       593: undef @barequery;
3.1       knu       594:
3.120     scop      595: if (defined($input{'path'})) {
                    596:   redirect("$scriptname/$input{path}$query");
3.57      knu       597: }
                    598:
3.1       knu       599: # get actual parameters
3.144     scop      600: {
                    601:   my $sortby = $input{sortby} || 'file';
                    602:   $bydate    = 0;
                    603:   $byrev     = 0;
                    604:   $byauthor  = 0;
                    605:   $bylog     = 0;
                    606:   $byfile    = 0;
                    607:   if ($sortby eq 'date') {
                    608:     $bydate = 1;
                    609:   } elsif ($sortby eq 'rev') {
                    610:     $byrev = 1;
                    611:   } elsif ($sortby eq 'author') {
                    612:     $byauthor = 1;
                    613:   } elsif ($sortby eq 'log') {
                    614:     $bylog = 1;
                    615:   } else {
                    616:     $byfile = 1;
                    617:   }
3.1       knu       618: }
                    619:
3.37      knu       620: $defaultDiffType = $input{'f'};
3.1       knu       621:
3.3       knu       622: $logsort = $input{'logsort'};
3.1       knu       623:
                    624: # alternate CVS-Tree, configured in cvsweb.conf
                    625: if ($input{'cvsroot'} && $CVSROOT{$input{'cvsroot'}}) {
3.120     scop      626:   $cvstree = $input{'cvsroot'};
3.1       knu       627: } else {
3.120     scop      628:   $cvstree = $cvstreedefault;
1.10      wosch     629: }
                    630:
3.1       knu       631: $cvsroot = $CVSROOT{$cvstree};
1.10      wosch     632:
3.1       knu       633: # create icons out of description
3.120     scop      634: foreach my $k (keys %ICONS) {
                    635:   my ($itxt, $ipath, $iwidth, $iheight) = @{$ICONS{$k}};
                    636:   no strict 'refs';
                    637:   if ($ipath) {
                    638:     ${"${k}icon"} =
3.208     scop      639:       sprintf('<img src="%s" alt="%s" border="0" width="%d" height="%d" />',
3.132     scop      640:               hrefquote($ipath), htmlquote($itxt), $iwidth, $iheight);
3.120     scop      641:   } else {
                    642:     ${"${k}icon"} = $itxt;
                    643:   }
1.24      wosch     644: }
                    645:
3.27      knu       646: my $config_cvstree = "$config-$cvstree";
                    647:
3.1       knu       648: # Do some special configuration for cvstrees
3.27      knu       649: if (-f $config_cvstree) {
3.120     scop      650:   do "$config_cvstree"
                    651:     or fatal("500 Internal Error",
3.208     scop      652:              'Error in loading configuration file: %s<br /><br />%s<br />',
3.120     scop      653:              $config_cvstree, $@);
3.27      knu       654: }
3.31      knu       655: undef $config_cvstree;
3.1       knu       656:
3.120     scop      657: $re_prcategories  = '(?:' . join ('|', @prcategories) . ')' if @prcategories;
                    658: $re_prkeyword     = quotemeta($prkeyword) if defined($prkeyword);
                    659: $prcgi           .= '%s' if defined($prcgi) && $prcgi !~ /%s/;
1.24      wosch     660:
3.80      knu       661: $fullname         = "$cvsroot/$where";
3.1       knu       662:
3.63      knu       663: my $rewrite = 0;
                    664:
                    665: if ($pathinfo =~ m|//|) {
3.120     scop      666:   $pathinfo =~ y|/|/|s;
                    667:   $rewrite = 1;
3.63      knu       668: }
                    669:
3.120     scop      670: if (-d $fullname) {
                    671:   if ($pathinfo !~ m|/$|) {
                    672:     $pathinfo .= '/';
                    673:     $rewrite   = 1;
                    674:   }
                    675: } else {
                    676:   if ($pathinfo =~ m|/$|) {
                    677:     chop $pathinfo;
                    678:     $rewrite = 1;
                    679:   }
3.63      knu       680: }
                    681:
                    682: if ($rewrite) {
3.120     scop      683:   redirect($scriptname . urlencode($pathinfo) . $query);
3.1       knu       684: }
                    685:
3.63      knu       686: undef $rewrite;
                    687:
3.1       knu       688: if (!-d $cvsroot) {
3.120     scop      689:   fatal("500 Internal Error",
                    690:         '$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       691: }
                    692:
                    693: #
                    694: # See if the module is in our forbidden list.
                    695: #
                    696: $where =~ m:([^/]*):;
                    697: $module = $1;
                    698: if ($module && &forbidden_module($module)) {
3.120     scop      699:   fatal("403 Forbidden", 'Access to %s forbidden.', $where);
3.1       knu       700: }
3.46      knu       701:
                    702: #
                    703: # Handle tarball downloads before any headers are output.
                    704: #
                    705: if ($input{tarball}) {
3.120     scop      706:   fatal('403 Forbidden', 'Downloading tarballs is prohibited.')
                    707:     unless $allow_tar;
3.191     scop      708:
3.120     scop      709:   my ($module)  =  ($where =~ m,^/?(.*),);    # untaint
                    710:   $module       =~ s,/([^/]*)$,,;
3.191     scop      711:   my ($ext)     =  ($1 =~ /(\.t(?:ar\.)?gz|\.zip)$/);
3.120     scop      712:   my ($basedir) =  ($module =~ m,([^/]+)$,);
                    713:
                    714:   if ($basedir eq '' || $module eq '') {
                    715:     fatal('500 Internal Error',
                    716:           'You cannot download the top level directory.');
                    717:   }
                    718:
3.191     scop      719:   my $istar = ($ext eq '.tar.gz' || $ext eq '.tgz');
                    720:   if ($istar) {
                    721:     fatal('500 Internal Error', 'tar command not found.') unless $CMD{tar};
                    722:     fatal('500 Internal Error', 'gzip command not found.') unless $CMD{gzip};
                    723:   }
                    724:   my $iszip = ($ext eq '.zip');
                    725:   if ($iszip && !$CMD{zip}) {
                    726:     fatal('500 Internal Error', 'zip command not found.');
                    727:   }
3.215     scop      728:   if (!$istar && !$iszip) {
                    729:     fatal('500 Internal Error', 'Unsupported archive type.');
                    730:   }
3.191     scop      731:
3.138     scop      732:   my $tmpexportdir;
                    733:   eval {
                    734:     local $SIG{__DIE__};
3.171     scop      735:     # Don't use the CLEANUP argument to tempdir() here, since we might be under
                    736:     # mod_perl (the process runs for a long time), unlink explicitly later.
                    737:     $tmpexportdir = tempdir('.cvsweb.XXXXXXXX', TMPDIR => 1);
3.138     scop      738:   };
                    739:   if ($@) {
                    740:     fatal('500 Internal Error', 'Unable to make temporary directory: %s', $@);
                    741:   }
3.191     scop      742:   if (!chdir($tmpexportdir)) {
                    743:     fatal('500 Internal Error',
                    744:           "Can't cd to temporary directory %s: %s", $tmpexportdir, $!);
                    745:   }
3.120     scop      746:
                    747:   my @fatal;
3.194     scop      748:   my $tag = $input{only_with_tag} || 'HEAD';
                    749:   $tag = 'HEAD' if ($tag eq 'MAIN');
3.120     scop      750:
3.215     scop      751:   my @cmd =
                    752:     ($CMD{cvs}, @cvs_options, '-Qd', $cvsroot, 'export', '-r', $tag, $module);
                    753:   my $export_err;
                    754:   my ($errcode, $err) = runproc(\@cmd, '2>', \$export_err);
                    755:   if ($errcode) {
                    756:     @fatal =
                    757:       ('500 Internal Error',
                    758:        'Export failure (exit status %s), output: <pre>%s</pre>',
                    759:        $errcode, $err || $export_err);
3.191     scop      760:
3.215     scop      761:   } else {
3.191     scop      762:
3.120     scop      763:     $| = 1;    # Essential to get the buffering right.
3.191     scop      764:     local (*TAR_OUT);
3.120     scop      765:
3.191     scop      766:     my (@cmd, $ctype);
                    767:     if ($istar) {
                    768:       my @tar = ($CMD{tar}, @tar_options, '-cf', '-', $basedir);
                    769:       my @gzip = ($CMD{gzip}, @gzip_options, '-c');
                    770:       push(@cmd, \@tar, '|', \@gzip);
                    771:       $ctype = 'application/x-gzip';
                    772:     } elsif ($iszip) {
                    773:       my @zip = ($CMD{zip}, @zip_options, '-r', '-', $basedir);
                    774:       push(@cmd, \@zip, \'');
                    775:       $ctype = 'application/zip';
                    776:     }
3.229     scop      777:     push(@cmd, '>pipe', \*TAR_OUT);
3.191     scop      778:
                    779:     my ($h, $err) = startproc(@cmd);
                    780:     if ($h) {
                    781:       print "Content-Type: $ctype\r\n\r\n";
                    782:       local $/ = undef;
                    783:       print <TAR_OUT>;
3.229     scop      784:       $h->finish();
3.120     scop      785:     } else {
3.215     scop      786:       @fatal = ('500 Internal Error',
                    787:                 '%s failure (exit status %s), output: <pre>%s</pre>',
                    788:                 $istar ? 'Tar' : 'Zip', $? >> 8 || -1, $err);
3.120     scop      789:     }
                    790:   }
3.46      knu       791:
3.171     scop      792:   # Clean up.
                    793:   rmtree($tmpexportdir);
3.46      knu       794:
3.120     scop      795:   &fatal(@fatal) if @fatal;
3.46      knu       796:
3.120     scop      797:   exit;
3.46      knu       798: }
                    799:
3.1       knu       800: ##############################
                    801: # View a directory
                    802: ###############################
3.46      knu       803: if (-d $fullname) {
3.120     scop      804:   my $dh = do { local (*DH); };
                    805:   opendir($dh, $fullname) or fatal("404 Not Found", '%s: %s', $where, $!);
                    806:   my @dir = readdir($dh);
                    807:   closedir($dh);
                    808:   my @subLevelFiles = findLastModifiedSubdirs(@dir)
                    809:     if ($show_subdir_lastmod);
3.150     scop      810:   my @unreadable = getDirLogs($cvsroot, $where, @subLevelFiles);
3.120     scop      811:
                    812:   if ($where eq '/') {
                    813:     html_header($defaulttitle);
                    814:     $long_intro =~ s/!!CVSROOTdescr!!/$CVSROOTdescr{$cvstree}/g;
                    815:     print $long_intro;
                    816:   } else {
                    817:     html_header($where);
3.212     scop      818:     my $html = (-f catfile($fullname, 'README.cvs.html,v') ||
                    819:                 -f catfile($fullname, 'Attic', 'README.cvs.html,v'));
                    820:     my $text = (!$html &&
                    821:                 (-f catfile($fullname, 'README.cvs,v') ||
                    822:                  -f catfile($fullname, 'Attic', 'README.cvs,v')));
                    823:     if ($html || $text) {
                    824:       my $rev = $input{only_with_tag} || 'HEAD';
                    825:       my $cr = abs_path($cvsroot) || $cvsroot;
                    826:       my $co = "$where/README.cvs.html" if $html;
                    827:       $co ||= "$where/README.cvs" if $text;
                    828:       # abs_path() taints when run as a CGI...
                    829:       if ($cr =~ VALID_PATH) {
                    830:         $cr = $1;
                    831:       } else {
                    832:         fatal('500 Internal Error', 'Illegal CVS root: <code>%s</code>', $cr);
                    833:       }
                    834:       my @cmd = ($CMD{cvs}, @cvs_options, '-d', $cr, 'co', '-p', "-r$rev",$co);
                    835:       local (*CVS_OUT, *CVS_ERR);
                    836:       my ($h, $err) = startproc(\@cmd, \"", '>pipe', \*CVS_OUT,
3.229     scop      837:                                 '2>pipe', \*CVS_ERR);
3.212     scop      838:       fatal('500 Internal Error', $err) unless $h;
                    839:       if ($html) {
                    840:         local $/ = undef;
                    841:         print <CVS_OUT>;
                    842:       } else {
                    843:         print "<p>\n";
                    844:         while (<CVS_OUT>) {
                    845:           chomp;
                    846:           print htmlquote($_), '<br />';
                    847:         }
                    848:         print "</p>";
                    849:       }
3.229     scop      850:       $h->finish();
3.212     scop      851:     }
3.120     scop      852:     print $short_instruction;
                    853:   }
                    854:
3.165     scop      855:   if ($use_descriptions &&
                    856:       open(DESC, '<', catfile($cvsroot, 'CVSROOT', 'descriptions'))) {
3.120     scop      857:     while (<DESC>) {
                    858:       chomp;
                    859:       my ($dir, $description) = /(\S+)\s+(.*)/;
                    860:       $descriptions{$dir} = $description;
                    861:     }
                    862:     close(DESC);
                    863:   }
                    864:
                    865:   print "<p><a name=\"dirlist\"></a></p>\n";
                    866:
                    867:   # give direct access to dirs
                    868:   if ($where eq '/') {
                    869:     chooseMirror();
                    870:     chooseCVSRoot();
                    871:   } else {
                    872:     print "<p>Current directory: <b>", &clickablePath($where, 0), "</b></p>\n";
                    873:
3.153     scop      874:     print "<p>Current tag: <b>", htmlquote($input{only_with_tag}), "</b></p>\n"
3.120     scop      875:       if $input{only_with_tag};
                    876:
                    877:   }
                    878:
3.208     scop      879:   print "<hr />\n";
3.120     scop      880:
3.179     scop      881:   my $infocols = 1;
3.131     scop      882:
3.199     scop      883:   printf(<<EOF, htmlquote("Index of $where"));
3.182     scop      884: <table class="dir" width="100%%" cellspacing="0" cellpadding="$tablepadding" summary="%s">
3.179     scop      885: <tr>
                    886: EOF
3.199     scop      887:   printf('<th colspan="2"%s>', ($byfile ? ' class="sorted"' : ''));
3.131     scop      888:
                    889:   if ($byfile) {
                    890:     print 'File';
                    891:   } else {
                    892:     print &link('File',
                    893:                 sprintf('./%s#dirlist', toggleQuery('sortby', 'file')));
                    894:   }
                    895:   print "</th>\n";
3.120     scop      896:
3.131     scop      897:   # Do not display the other column headers if we do not have any files
                    898:   # with revision information.
                    899:   if (scalar(%fileinfo)) {
3.120     scop      900:     $infocols++;
3.199     scop      901:     printf('<th%s>', ($byrev ? ' class="sorted"' : ''));
3.120     scop      902:
3.131     scop      903:     if ($byrev) {
                    904:       print 'Rev.';
3.120     scop      905:     } else {
3.131     scop      906:       print &link('Rev.',
                    907:                   sprintf('./%s#dirlist', toggleQuery('sortby', 'rev')));
3.120     scop      908:     }
                    909:     print "</th>\n";
3.131     scop      910:     $infocols++;
3.199     scop      911:     printf('<th%s>', ($bydate ? ' class="sorted"' : ''));
3.120     scop      912:
3.131     scop      913:     if ($bydate) {
                    914:       print 'Age';
                    915:     } else {
                    916:       print &link('Age',
                    917:                   sprintf('./%s#dirlist', toggleQuery('sortby', 'date')));
                    918:     }
                    919:     print "</th>\n";
3.120     scop      920:
3.131     scop      921:     if ($show_author) {
3.120     scop      922:       $infocols++;
3.199     scop      923:       printf('<th%s>', ($byauthor ? ' class="sorted"' : ''));
3.120     scop      924:
3.131     scop      925:       if ($byauthor) {
                    926:         print 'Author';
3.120     scop      927:       } else {
3.131     scop      928:         print
                    929:           &link('Author',
                    930:                 sprintf('./%s#dirlist', toggleQuery('sortby', 'author')));
3.120     scop      931:       }
                    932:       print "</th>\n";
3.131     scop      933:     }
                    934:     $infocols++;
3.199     scop      935:     printf('<th%s>', ($bylog ? ' class="sorted"' : ''));
3.120     scop      936:
3.131     scop      937:     if ($bylog) {
                    938:       print 'Last log entry';
                    939:     } else {
                    940:       print &link('Last log entry',
                    941:                   sprintf('./%s#dirlist', toggleQuery('sortby', 'log')));
3.120     scop      942:     }
3.131     scop      943:     print "</th>\n";
                    944:   } elsif ($use_descriptions) {
3.199     scop      945:     print "<th>Description</th>\n";
3.131     scop      946:     $infocols++;
3.120     scop      947:   }
3.131     scop      948:   print "</tr>\n";
                    949:
3.120     scop      950:   my $dirrow = 0;
                    951:
                    952:   my $i;
                    953:   lookingforattic:
                    954:   for ($i = 0; $i <= $#dir; $i++) {
                    955:     if ($dir[$i] eq "Attic") {
                    956:       last lookingforattic;
                    957:     }
                    958:   }
                    959:
                    960:   if (!$input{'hideattic'}
                    961:       && ($i <= $#dir)
                    962:       && opendir($dh, $fullname . '/Attic'))
                    963:   {
                    964:     splice(@dir, $i, 1, grep((s|^|Attic/|, !m|/\.|), readdir($dh)));
                    965:     closedir($dh);
                    966:   }
                    967:
                    968:   my $hideAtticToggleLink =
                    969:     $input{'hideattic'}
                    970:     ? ''
                    971:     : &link('[Hide]', sprintf('./%s#dirlist', &toggleQuery('hideattic')));
                    972:
                    973:   # Sort without the Attic/ pathname.
                    974:   # place directories first
                    975:
                    976:   my $attic;
                    977:   my $url;
                    978:   my $fileurl;
                    979:   my $filesexists;
                    980:   my $filesfound;
                    981:
                    982:   foreach my $file (sort { &fileSortCmp } @dir) {
                    983:
3.196     scop      984:     next if ($file eq curdir());
3.120     scop      985:
                    986:     # ignore CVS lock and stale NFS files
                    987:     next if ($file =~ /^\#cvs\.|^,|^\.nfs/); # \# for XEmacs cperl-mode...
                    988:
                    989:     # Check whether to show the CVSROOT path
                    990:     next if ($input{'hidecvsroot'} && $file eq 'CVSROOT');
                    991:
                    992:     # Check whether the module is in the restricted list
                    993:     next if ($file && &forbidden_module($file));
                    994:
3.150     scop      995:     # Is it a directory?
3.232   ! scop      996:     my $isdir = -d catdir($fullname, $file);
3.150     scop      997:
                    998:     # Ignore non-readable files and directories?
                    999:     next if ($input{'hidenonreadable'} && (! -r _ || ($isdir && ! -x _)));
3.120     scop     1000:
                   1001:     if ($file =~ s|^Attic/||) {
3.131     scop     1002:       $attic = ' (in&nbsp;the&nbsp;Attic)&nbsp;' . $hideAtticToggleLink;
3.120     scop     1003:     } else {
                   1004:       $attic = '';
                   1005:     }
                   1006:
3.196     scop     1007:     if ($file eq updir() || $isdir) {
                   1008:       next if ($file eq updir() && $where eq '/');
3.152     scop     1009:       my ($rev, $date, $log, $author, $filename, $keywordsubst) =
                   1010:         @{$fileinfo{$file}} if (defined($fileinfo{$file}));
3.199     scop     1011:       printf "<tr class=\"%s\">\n<td colspan=\"2\">",
3.132     scop     1012:         ($dirrow % 2) ? 'even' : 'odd';
3.120     scop     1013:
3.196     scop     1014:       if ($file eq updir()) {
3.120     scop     1015:         $url = "../$query";
                   1016:         if ($nofilelinks) {
                   1017:           print $backicon;
                   1018:         } else {
                   1019:           print &link($backicon, $url);
                   1020:         }
                   1021:         print '&nbsp;', &link("Parent Directory", $url);
                   1022:       } else {
                   1023:         $url = './' . urlencode($file) . "/$query";
3.136     scop     1024:         print '<a name="', hrefquote($file), '"></a>';
3.120     scop     1025:
                   1026:         if ($nofilelinks) {
                   1027:           print $diricon;
                   1028:         } else {
                   1029:           print &link($diricon, $url);
                   1030:         }
3.136     scop     1031:         print '&nbsp;', &link(htmlquote("$file/"), $url), $attic;
3.120     scop     1032:
                   1033:         if ($file eq "Attic") {
                   1034:           print "&nbsp; ";
                   1035:           print &link('[Don\'t hide]',
                   1036:                       sprintf('./%s#dirlist', &toggleQuery('hideattic')));
                   1037:         }
                   1038:       }
                   1039:
                   1040:       # Show last change in dir
                   1041:       if ($filename) {
3.199     scop     1042:         print "</td>\n<td>&nbsp;</td>\n<td class=\"age\">";
                   1043:         print readableTime(time() - $date, 0) if $date;
                   1044:         print "</td>\n<td class=\"author\">", htmlquote($author)
                   1045:           if $show_author;
                   1046:         print "</td>\n<td class=\"log\">";
3.120     scop     1047:         $filename =~ s%^[^/]+/%%;
3.199     scop     1048:         print &link(htmlquote("$filename/$rev"),
                   1049:                     sprintf('%s/%s%s#rev%s',
3.206     scop     1050:                             uri_escape($file), uri_escape($filename),
3.208     scop     1051:                             $query, $rev)), '<br />';
3.120     scop     1052:         if ($log) {
3.199     scop     1053:           print htmlify(substr($log, 0, $shortLogLen), $allow_dir_extra);
3.120     scop     1054:           print '...' if (length($log) > 80);
                   1055:         }
3.199     scop     1056:
3.120     scop     1057:       } else {
                   1058:         my $dwhere = ($where ne '/' ? $where : '') . $file;
                   1059:
                   1060:         if ($use_descriptions && defined $descriptions{$dwhere}) {
3.199     scop     1061:           print '<td colspan="', ($infocols - 1), '">';
3.120     scop     1062:           print $descriptions{$dwhere};
                   1063:
3.131     scop     1064:         } elsif ($infocols > 1) {
3.120     scop     1065:
                   1066:           # close the row with the appropriate number of
                   1067:           # columns, so that the vertical seperators are visible
                   1068:           my ($cols) = $infocols;
                   1069:           while ($cols > 1) {
                   1070:             print "</td>\n<td>&nbsp;";
                   1071:             $cols--;
                   1072:           }
                   1073:         }
                   1074:       }
                   1075:
3.131     scop     1076:       print "</td>\n</tr>\n";
3.120     scop     1077:       $dirrow++;
3.131     scop     1078:
3.120     scop     1079:     } elsif ($file =~ s/,v$//) {
                   1080:
                   1081:       # Skip forbidden files now so we'll give no hint
                   1082:       # about their existence.  This should probably have
                   1083:       # been done earlier, but it's straightforward here.
3.232   ! scop     1084:       next if forbidden_file(catfile($fullname, $file));
3.120     scop     1085:
                   1086:       $fileurl   = ($attic ? 'Attic/' : '') . urlencode($file);
                   1087:       $url       = './' . $fileurl . $query;
                   1088:       $filesexists++;
                   1089:       next if (!defined($fileinfo{$file}));
3.152     scop     1090:       my ($rev, $date, $log, $author, $filename, $keywordsubst) =
                   1091:         @{$fileinfo{$file}};
3.156     scop     1092:       my $isbinary = $keywordsubst eq 'b' ? 1 : 0;
3.120     scop     1093:       $filesfound++;
3.156     scop     1094:
3.199     scop     1095:       printf "<tr class=\"%s\">\n", ($dirrow % 2) ? 'even' : 'odd';
3.132     scop     1096:       printf '<td%s>', $allow_cvsgraph ? '' : ' colspan="2"';
3.120     scop     1097:
3.156     scop     1098:       my $icon = $isbinary ? $binfileicon : $fileicon;
3.120     scop     1099:       if ($nofilelinks) {
3.152     scop     1100:         print $icon;
3.120     scop     1101:       } else {
3.152     scop     1102:         print &link($icon, $url);
3.120     scop     1103:       }
                   1104:       print '&nbsp;', &link(htmlquote($file), $url), $attic;
3.199     scop     1105:       print '</td><td class="graph">', graph_link($fileurl) if $allow_cvsgraph;
3.219     scop     1106:       print "</td>\n<td width=\"30\">", display_link($fileurl, $rev);
3.199     scop     1107:       print "</td>\n<td class=\"age\">";
                   1108:       print readableTime(time() - $date, 0) if $date;
                   1109:       print "</td>\n<td class=\"author\">", htmlquote($author) if $show_author;
                   1110:       print "</td>\n<td class=\"log\">";
3.120     scop     1111:
                   1112:       if ($log) {
3.199     scop     1113:         print htmlify(substr($log, 0, $shortLogLen), $allow_dir_extra);
3.120     scop     1114:         print '...' if (length $log > 80);
                   1115:       }
3.131     scop     1116:       print "</td>\n</tr>";
3.120     scop     1117:       $dirrow++;
                   1118:     }
                   1119:     print "\n";
                   1120:   }
                   1121:
3.131     scop     1122:   print "</table>\n";
3.120     scop     1123:
3.150     scop     1124:   if ((my $num = scalar(@unreadable)) && ! $input{hidenonreadable}) {
                   1125:     printf(<<EOF, $num, htmlquote(join(', ', @unreadable)));
                   1126: <p>
3.208     scop     1127:  <b>NOTE:</b> The following %d unreadable files were ignored:<br />
3.150     scop     1128:  <em>%s</em>
                   1129: </p>
                   1130: EOF
                   1131:   }
                   1132:
3.120     scop     1133:   if ($filesexists && !$filesfound) {
3.150     scop     1134:     my $currtag = defined($input{only_with_tag}) ?
                   1135:       sprintf(' (%s)', htmlquote($input{only_with_tag})) : '';
                   1136:     printf(<<EOF, $filesexists, $currtag);
                   1137: <p>
                   1138:  <b>NOTE:</b> There are %d files, but none matches the current tag%s.
                   1139: </p>
                   1140: EOF
3.120     scop     1141:   }
                   1142:
                   1143:   if ($input{only_with_tag} && (!%tags || !$tags{$input{only_with_tag}})) {
                   1144:     %tags = %alltags;
                   1145:   }
                   1146:
                   1147:   if (scalar %tags
                   1148:       || $input{only_with_tag}
                   1149:       || $edit_option_form
                   1150:       || defined($input{"options"}))
                   1151:   {
3.208     scop     1152:     print "<hr />\n";
3.120     scop     1153:   }
                   1154:
                   1155:   if (scalar %tags || $input{only_with_tag}) {
3.208     scop     1156:     print "<form method=\"get\" action=\"./\">\n<p>\n";
3.120     scop     1157:     foreach my $var (@stickyvars) {
3.208     scop     1158:       printf("<input type=\"hidden\" name=\"$var\" value=\"%s\" />\n",
3.154     scop     1159:              htmlquote($input{$var}))
3.120     scop     1160:         if (defined($input{$var})
                   1161:             && (!defined($DEFAULTVALUE{$var})
                   1162:                 || $input{$var} ne $DEFAULTVALUE{$var})
                   1163:             && $var ne 'only_with_tag');
                   1164:     }
3.208     scop     1165:     printf(<<EOF, ($use_java_script ? ' onchange="this.form.submit()"' : ''));
                   1166: <label for="only_with_tag" accesskey="T">Show only files with tag:
                   1167: <select id="only_with_tag" name="only_with_tag"%s>
                   1168: <option value="">All tags / default branch</option>
                   1169: EOF
3.120     scop     1170:     foreach my $tag (reverse sort { lc $a cmp lc $b } keys %tags) {
3.136     scop     1171:       my $selected =
                   1172:         defined($input{only_with_tag}) && $input{only_with_tag} eq $tag;
                   1173:       printf("<option%s>%s</option>\n",
3.208     scop     1174:              $selected ? ' selected="selected"' : '',
3.136     scop     1175:              htmlquote($tag));
3.120     scop     1176:     }
3.208     scop     1177:     printf(<<EOF, htmlquote($where));
                   1178: </select>
                   1179: </label>&nbsp;<label for="path" accesskey="P">Module path or alias:
                   1180: <input type="text" id="path" name="path" value="%s" size="15" /></label>
                   1181: <input type="submit" value="Go" accesskey="G" />
                   1182: </p>
                   1183: </form>
                   1184: EOF
3.120     scop     1185:   }
                   1186:
3.188     scop     1187:   if ($allow_tar && $filesfound) {
3.120     scop     1188:     my ($basefile) = ($where =~ m,(?:.*/)?([^/]+),);
3.192     scop     1189:     my $havetar = $CMD{tar} && $CMD{gzip};
                   1190:     my $havezip = $CMD{zip};
                   1191:     if (defined($basefile) && $basefile ne '' && ($havetar || $havezip)) {
3.203     scop     1192:       my $q = ($query ? "$query;" : '?') . 'tarball=1';
3.208     scop     1193:       print "<hr />\n",
3.189     scop     1194:         '<div style="text-align: center">Download this directory in ';
3.192     scop     1195:       # Mangle the filename so browsers show a reasonable filename to download.
                   1196:       my @types = ();
                   1197:       push(@types, &link('tarball', "$basefile.tar.gz$q")) if $havetar;
                   1198:       push(@types, &link('zip archive', "$basefile.zip$q")) if $havezip;
                   1199:       print join(' or ', @types), "</div>\n";
3.120     scop     1200:     }
                   1201:   }
                   1202:
                   1203:   if ($edit_option_form || defined($input{"options"})) {
                   1204:
                   1205:     my $formwhere = $scriptwhere;
                   1206:     $formwhere =~ s|Attic/?$|| if ($input{'hideattic'});
                   1207:
3.149     scop     1208:     print <<EOF;
                   1209: <form method="get" action="${formwhere}">
3.189     scop     1210: <fieldset>
                   1211: <legend>General options</legend>
3.208     scop     1212: <input type="hidden" name="copt" value="1" />
3.149     scop     1213: EOF
3.120     scop     1214:     if ($cvstree ne $cvstreedefault) {
3.208     scop     1215:       print "<input type=\"hidden\" name=\"cvsroot\" value=\"$cvstree\" />\n";
3.120     scop     1216:     }
3.149     scop     1217:     print <<EOF;
3.189     scop     1218: <table>
3.149     scop     1219: <tr>
3.189     scop     1220: <td class="opt-label">
                   1221: <label for="sortby" accesskey="F">Sort files by:</label>
                   1222: </td>
                   1223: <td class="opt-value">
3.149     scop     1224: <select id="sortby" name="sortby">
                   1225: <option value="">File</option>
                   1226: EOF
3.208     scop     1227:     print "<option", $bydate ? ' selected="selected"' : '',
3.120     scop     1228:       " value=\"date\">Age</option>\n";
3.208     scop     1229:     print "<option", $byauthor ? ' selected="selected"' : '',
3.120     scop     1230:       " value=\"author\">Author</option>\n"
3.140     scop     1231:         if $show_author;
3.208     scop     1232:     print "<option", $byrev ? ' selected="selected"' : '',
3.120     scop     1233:       " value=\"rev\">Revision</option>\n";
3.208     scop     1234:     print "<option", $bylog ? ' selected="selected"' : '',
3.120     scop     1235:       " value=\"log\">Log message</option>\n";
3.189     scop     1236:     print <<EOF;
                   1237: </select>,
                   1238: <label for="ignorecase" accesskey="I">case-insensitive:
                   1239: EOF
                   1240:     print '<input id="ignorecase" name="ignorecase" type="checkbox"',
3.208     scop     1241:       $input{ignorecase} ? ' checked="checked"' : '',
                   1242:         " value=\"1\" /></label>\n";
3.189     scop     1243:     print <<EOF;
                   1244: </td>
                   1245: <td class="opt-label">
                   1246: <label for="hideattic" accesskey="A">Hide files in Attic:</label>
                   1247: </td>
                   1248: <td class="opt-value">
                   1249: EOF
                   1250:     print '<input id="hideattic" name="hideattic" type="checkbox"',
3.208     scop     1251:       $input{hideattic} ? ' checked="checked"' : '', ' value="1" />';
3.189     scop     1252:     print <<EOF;
                   1253: </td>
                   1254: </tr>
                   1255: <tr>
                   1256: <td class="opt-label">
                   1257: <label for="logsort" accesskey="L">Sort log by:</label>
                   1258: </td>
                   1259: <td class="opt-value">
                   1260: EOF
3.120     scop     1261:     printLogSortSelect(0);
3.189     scop     1262:     print <<EOF;
                   1263: </td>
                   1264: <td class="opt-label">
                   1265: <label for="ln" accesskey="N">Show line numbers:</label>
                   1266: </td>
                   1267: <td class="opt-value">
                   1268: EOF
                   1269:     print '<input id="ln" name="ln" type="checkbox"',
3.208     scop     1270:       $input{ln} ? ' checked="checked"' : '', " value=\"1\" />\n";
3.189     scop     1271:     print <<EOF;
                   1272: </td>
                   1273: </tr>
                   1274: <tr>
                   1275: <td class="opt-label">
                   1276: <label for="f" accesskey="D">Diff format:</label>
                   1277: </td>
                   1278: <td>
                   1279: EOF
3.120     scop     1280:     printDiffSelect(0);
3.149     scop     1281:     print <<EOF;
3.189     scop     1282: </td>
                   1283: <td colspan="2" class="opt-label">
3.208     scop     1284: <input type="submit" value="Change Options" accesskey="C" />
3.189     scop     1285: </td>
3.149     scop     1286: </tr>
                   1287: </table>
3.189     scop     1288: </fieldset>
3.149     scop     1289: </form>
                   1290: EOF
3.120     scop     1291:   }
                   1292:   html_footer();
3.80      knu      1293: }
3.1       knu      1294:
                   1295: ###############################
                   1296: # View Files
                   1297: ###############################
3.80      knu      1298: elsif (-f $fullname . ',v') {
3.114     scop     1299:
3.120     scop     1300:   if (forbidden_file($fullname)) {
                   1301:     fatal('403 Forbidden',
                   1302:           'Access forbidden.  This file is mentioned in @ForbiddenFiles');
                   1303:     return;
                   1304:   }
                   1305:
                   1306:   if (defined($input{'rev'}) || $doCheckout) {
3.228     scop     1307:     my $rev = defined($input{rev}) ? $input{rev} : '.';
                   1308:     &doCheckout($fullname, $rev);
3.120     scop     1309:     gzipclose();
                   1310:     exit;
                   1311:   }
                   1312:
                   1313:   if (defined($input{'annotate'}) && $allow_annotate) {
                   1314:     &doAnnotate($input{'annotate'});
                   1315:     gzipclose();
                   1316:     exit;
                   1317:   }
                   1318:
                   1319:   if (defined($input{'r1'}) && defined($input{'r2'})) {
                   1320:     &doDiff($fullname,    $input{'r1'},  $input{'tr1'},
                   1321:             $input{'r2'}, $input{'tr2'}, $input{'f'});
                   1322:     gzipclose();
                   1323:     exit;
                   1324:   }
3.132     scop     1325:
3.170     scop     1326:   if ($allow_cvsgraph && $input{graph}) {
                   1327:     if ($input{makeimage}) {
                   1328:       doGraph();
3.132     scop     1329:     } else {
3.170     scop     1330:       doGraphView();
3.132     scop     1331:     }
                   1332:     gzipclose();
                   1333:     exit;
                   1334:   }
                   1335:
3.120     scop     1336:   &doLog($fullname);
                   1337:
                   1338:   ##############################
                   1339:   # View Diff
                   1340:   ##############################
                   1341: } elsif ($fullname =~ s/\.diff$//
                   1342:          && -f $fullname . ",v"
                   1343:          && $input{'r1'}
                   1344:          && $input{'r2'})
                   1345: {
                   1346:
                   1347:   # $where-diff-removal if 'cvs rdiff' is used
                   1348:   # .. but 'cvs rdiff'doesn't support some options
                   1349:   # rcsdiff does (-w and -p), so it is disabled
                   1350:   # $where =~ s/\.diff$//;
                   1351:
3.189     scop     1352:   # Allow diffs using the ".diff" extension so that browsers that default
                   1353:   # to the filename in the URL when saving don't save diffs as eg. foo.c.
3.120     scop     1354:   &doDiff($fullname,    $input{'r1'},  $input{'tr1'},
                   1355:           $input{'r2'}, $input{'tr2'}, $input{'f'});
                   1356:   gzipclose();
                   1357:   exit;
                   1358: } elsif (($newname = $fullname) =~ s|/([^/]+)$|/Attic/$1|
                   1359:   && -f $newname . ",v")
                   1360: {
                   1361:
                   1362:   # The file has been removed and is in the Attic.
                   1363:   # Send a redirect pointing to the file in the Attic.
                   1364:   (my $newplace = $scriptwhere) =~ s|/([^/]+)$|/Attic/$1|;
                   1365:   if ($ENV{QUERY_STRING} ne "") {
                   1366:     redirect("${newplace}?$ENV{QUERY_STRING}");
                   1367:   } else {
                   1368:     redirect($newplace);
                   1369:   }
                   1370:   exit;
3.80      knu      1371: } elsif (0 && (my @files = &safeglob($fullname . ",v"))) {
3.120     scop     1372:   http_header("text/plain");
                   1373:   print "You matched the following files:\n";
                   1374:   print join ("\n", @files);
3.80      knu      1375:
3.120     scop     1376:   # Find the tags from each file
                   1377:   # Display a form offering diffs between said tags
3.80      knu      1378: } else {
3.120     scop     1379:   my $fh = do { local (*FH); };
                   1380:   my ($xtra, $module);
3.80      knu      1381:
3.120     scop     1382:   # Assume it's a module name with a potential path following it.
                   1383:   $xtra = (($module = $where) =~ s|/.*||) ? $& : '';
3.80      knu      1384:
3.120     scop     1385:   # Is there an indexed version of modules?
                   1386:   if (open($fh, "< $cvsroot/CVSROOT/modules")) {
                   1387:     while (<$fh>) {
                   1388:       if (/^(\S+)\s+(\S+)/o
                   1389:           && $module eq $1
                   1390:           && -d "$cvsroot/$2"
                   1391:           && $module ne $2)
                   1392:       {
                   1393:         redirect("$scriptname/$2$xtra$query");
                   1394:       }
                   1395:     }
                   1396:   }
                   1397:   fatal("404 Not Found", '%s: no such file or directory', $where);
3.80      knu      1398: }
3.23      knu      1399:
3.25      knu      1400: gzipclose();
3.80      knu      1401:
3.1       knu      1402: ## End MAIN
                   1403:
3.175     scop     1404:
3.120     scop     1405: sub printDiffSelect($)
                   1406: {
                   1407:   my ($use_java_script) = @_;
                   1408:
                   1409:   print '<select id="f" name="f"';
                   1410:   print ' onchange="this.form.submit()"' if $use_java_script;
                   1411:   print ">\n";
                   1412:
3.175     scop     1413:   for my $difftype (@DIFFTYPES) {
3.120     scop     1414:     printf("<option value=\"%s\"%s>%s</option>\n",
3.208     scop     1415:            $difftype, $input{f} eq $difftype ? ' selected="selected"' : '',
3.175     scop     1416:            "\u$DIFFTYPES{$difftype}{descr}");
3.120     scop     1417:   }
                   1418:
                   1419:   print "</select>";
                   1420: }
                   1421:
3.175     scop     1422:
3.168     scop     1423: sub printDiffSelectStickyVars()
                   1424: {
                   1425:   while (my ($key, $val) = each %input) {
                   1426:     next if ($key eq 'f');
                   1427:     next if (defined($DEFAULTVALUE{$key}) && $DEFAULTVALUE{$key} eq $val);
3.206     scop     1428:     print "<input type=\"hidden\" name=\"", htmlquote($key), "\" value=\"",
3.208     scop     1429:       htmlquote($val), "\" />\n";
3.168     scop     1430:   }
                   1431: }
                   1432:
3.175     scop     1433:
3.120     scop     1434: sub printLogSortSelect($)
                   1435: {
                   1436:   my ($use_java_script) = @_;
                   1437:
                   1438:   print '<select id="logsort" name="logsort"';
                   1439:   print ' onchange="this.form.submit()"' if $use_java_script;
                   1440:   print ">\n";
                   1441:
3.175     scop     1442:   for my $sortkey (@LOGSORTKEYS) {
3.120     scop     1443:     printf("<option value=\"%s\"%s>%s</option>\n",
3.208     scop     1444:            $sortkey, $logsort eq $sortkey ? ' selected="selected"' : '',
3.175     scop     1445:            "\u$LOGSORTKEYS{$sortkey}{descr}");
3.120     scop     1446:   }
                   1447:
                   1448:   print "</select>";
                   1449: }
                   1450:
3.175     scop     1451:
3.197     scop     1452: #
                   1453: # Find the last modified, version controlled files in the given directories.
                   1454: # Compares solely based on modification timestamps.  Files in the returned list
                   1455: # are without the ,v suffix, and unreadable files have been filtered out.
                   1456: #
3.120     scop     1457: sub findLastModifiedSubdirs(@)
                   1458: {
                   1459:   my (@dirs) = @_;
                   1460:
3.175     scop     1461:   my @files;
                   1462:   foreach my $dirname (@dirs) {
3.196     scop     1463:     next if ($dirname eq curdir() || $dirname eq updir());
                   1464:     my $dir = catdir($fullname, $dirname);
3.120     scop     1465:     next if (!-d $dir);
                   1466:
                   1467:     my $dh = do { local (*DH); };
                   1468:     opendir($dh, $dir) or next;
                   1469:     my (@filenames) = readdir($dh);
                   1470:     closedir($dh);
                   1471:
3.175     scop     1472:     my $lastmod     = undef;
                   1473:     my $lastmodtime = undef;
3.120     scop     1474:     foreach my $filename (@filenames) {
3.197     scop     1475:       ($filename) =
                   1476:         (catfile($dirname, $filename) =~ VALID_PATH) or next; # untaint
3.196     scop     1477:       my ($file) = catfile($fullname, $filename);
3.197     scop     1478:       next if ($filename !~ /,v$/o || !-f $file || !-r _);
3.120     scop     1479:
                   1480:       # Skip forbidden files.
                   1481:       (my $f = $file) =~ s/,v$//;
                   1482:       next if forbidden_file($f);
                   1483:
                   1484:       $filename =~ s/,v$//;
3.197     scop     1485:       my $modtime = -M _;
3.221     scop     1486:
3.120     scop     1487:       if (!defined($lastmod) || $modtime < $lastmodtime) {
                   1488:         $lastmod     = $filename;
                   1489:         $lastmodtime = $modtime;
                   1490:       }
                   1491:     }
3.175     scop     1492:     push(@files, $lastmod) if (defined($lastmod));
3.120     scop     1493:   }
                   1494:   return @files;
                   1495: }
                   1496:
3.175     scop     1497:
3.120     scop     1498: sub htmlify_sub(&$)
                   1499: {
                   1500:   (my $proc, local $_) = @_;
                   1501:   my @a = split (m`(<a [^>]+>[^<]*</a>)`i);
                   1502:   my $linked;
                   1503:   my $result = '';
                   1504:
                   1505:   while (($_, $linked) = splice(@a, 0, 2)) {
                   1506:     &$proc();
                   1507:     $result .= $_      if defined($_);
                   1508:     $result .= $linked if defined($linked);
                   1509:   }
                   1510:
3.175     scop     1511:   return $result;
3.120     scop     1512: }
                   1513:
3.175     scop     1514:
3.120     scop     1515: sub htmlify($;$)
                   1516: {
                   1517:   (local $_, my $extra) = @_;
                   1518:
                   1519:   $_ = htmlquote($_);
                   1520:
                   1521:   # get URL's as link
                   1522:   s{
3.130     scop     1523:     ((https?|ftp)://.+?)([\s\']|&(quot|[lg]t);)
3.120     scop     1524:    }{
3.130     scop     1525:      &link($1, htmlunquote($1)) . $3
3.120     scop     1526:    }egx;
                   1527:
                   1528:   # get e-mails as link
                   1529:   $_ = htmlify_sub {
                   1530:     s<
                   1531:       [\w+=\-.!]+@[\w\-]+(\.[\w\-]+)+
                   1532:      ><
                   1533:        &link($&, "mailto:$&")
                   1534:      >egix;
                   1535:   } $_;
                   1536:
                   1537:   if ($extra) {
                   1538:
                   1539:     # get PR #'s as link: "PR#nnnn" "PR: nnnn, ..." "PR nnnn, ..." "bin/nnnn"
                   1540:     if (defined($prcgi) && defined($re_prkeyword)) {
                   1541:       my $prev;
                   1542:
                   1543:       do {
                   1544:         $prev = $_;
                   1545:
                   1546:         $_ = htmlify_sub {
                   1547:           s{
                   1548:             (\b$re_prkeyword[:\#]?\s*
                   1549:              (?:
                   1550:               \#?
                   1551:               \d+[,\s]\s*
                   1552:              )*
                   1553:              \#?)
                   1554:             (\d+)\b
                   1555:            }{
                   1556:              $1 . &link($2, sprintf($prcgi, $2))
                   1557:            }egix;
                   1558:         } $_;
                   1559:       } while ($_ ne $prev);
                   1560:
                   1561:       if (defined($re_prcategories)) {
                   1562:         $_ = htmlify_sub {
                   1563:           s{
                   1564:             (\b$re_prcategories/(\d+)\b)
                   1565:            }{
                   1566:              &link($1, sprintf($prcgi, $2))
                   1567:            }egox;
                   1568:         } $_;
                   1569:       }
                   1570:     }
                   1571:
                   1572:     # get manpage specs as link: "foo.1" "foo(1)"
                   1573:     if (defined($mancgi)) {
                   1574:       $_ = htmlify_sub {
                   1575:         s{
3.143     knu      1576:           (
                   1577:            \b ( \w[\w+\-.]* (?: ::\w[\w+\-.]*)* )
3.120     scop     1578:            (?:
3.143     knu      1579:             \( ([0-9n]) \) \B
3.120     scop     1580:             |
3.143     knu      1581:             \. ([0-9n]) \b
3.120     scop     1582:            )
                   1583:           )
                   1584:          }{
3.149     scop     1585:             my($text, $name, $section) = ($1, $2, defined($3) ? $3 : $4);
                   1586:             ($name =~ /[A-Za-z]/ && $name !~ /\.(:|$)/)
                   1587:              ? &link($text, sprintf($mancgi, $section, $name))
                   1588:               : $text;
3.120     scop     1589:          }egx;
                   1590:       } $_;
                   1591:     }
                   1592:   }
                   1593:
3.175     scop     1594:   return $_;
3.120     scop     1595: }
                   1596:
3.175     scop     1597:
3.120     scop     1598: sub spacedHtmlText($;$)
                   1599: {
3.175     scop     1600:   (local $_, my $ts) = @_;
3.224     scop     1601:   return '' unless defined($_);
3.175     scop     1602:   $ts ||= $tabstop;
3.120     scop     1603:
                   1604:   # Cut trailing spaces and tabs
                   1605:   s/[ \t]+$//;
                   1606:
                   1607:   if (defined($ts)) {
                   1608:
                   1609:     # Expand tabs
                   1610:     1 while s/\t+/' ' x (length($&) * $ts - length($`) % $ts)/e;
                   1611:   }
                   1612:
                   1613:   # replace <tab> and <space> (\001 is to protect us from htmlify)
                   1614:   # gzip can make excellent use of this repeating pattern :-)
                   1615:   if ($hr_breakable) {
                   1616:
                   1617:     # make every other space 'breakable'
                   1618:     s/  / \001nbsp;/g;    # 2 * <space>
                   1619:                           # leave single space as it is
                   1620:   } else {
                   1621:     s/ /\001nbsp;/g;
                   1622:   }
                   1623:
                   1624:   $_ = htmlify($_, $allow_source_extra);
                   1625:
                   1626:   # unescape
                   1627:   y/\001/&/;
                   1628:
                   1629:   return $_;
                   1630: }
                   1631:
3.175     scop     1632:
3.120     scop     1633: # Note that this doesn't htmlquote the first argument...
                   1634: sub link($$)
                   1635: {
                   1636:   my ($name, $url) = @_;
                   1637:
                   1638:   $url =~ s/:/sprintf("%%%02x", ord($&))/eg
                   1639:     if $url =~ /^[^a-z]/;    # relative
                   1640:
                   1641:   sprintf '<a href="%s">%s</a>', hrefquote($url), $name;
                   1642: }
                   1643:
3.175     scop     1644:
3.120     scop     1645: sub revcmp($$)
                   1646: {
                   1647:   my ($rev1, $rev2) = @_;
                   1648:
                   1649:   # make no comparison for a tag or a branch
                   1650:   return 0 if $rev1 =~ /[^\d.]/ || $rev2 =~ /[^\d.]/;
                   1651:
                   1652:   my (@r1) = split (/\./, $rev1);
                   1653:   my (@r2) = split (/\./, $rev2);
                   1654:   my ($a, $b);
                   1655:
                   1656:   while (($a = shift (@r1)) && ($b = shift (@r2))) {
                   1657:     if ($a != $b) {
                   1658:       return $a <=> $b;
                   1659:     }
                   1660:   }
                   1661:   if (@r1) { return  1; }
                   1662:   if (@r2) { return -1; }
                   1663:   return 0;
                   1664: }
                   1665:
3.175     scop     1666:
3.120     scop     1667: sub fatal($$@)
                   1668: {
                   1669:   my ($errcode, $format, @args) = @_;
3.185     scop     1670:   print "Status: $errcode\r\n";
3.131     scop     1671:   html_header('Error');
3.215     scop     1672:   print '<div id="error">Error: ',
                   1673:     sprintf($format, map(htmlquote($_), @args)), "</div>\n";
3.120     scop     1674:   html_footer();
                   1675:   exit(1);
                   1676: }
                   1677:
3.175     scop     1678:
3.120     scop     1679: sub redirect($)
                   1680: {
                   1681:   my ($url) = @_;
3.185     scop     1682:   print "Status: 301 Moved\r\n", "Location: $url\r\n";
3.131     scop     1683:   html_header('Moved');
3.120     scop     1684:   print "<p>This document is located ", &link('here', $url), "</p>\n";
                   1685:   html_footer();
                   1686:   exit(1);
                   1687: }
                   1688:
3.175     scop     1689:
3.120     scop     1690: sub safeglob($)
                   1691: {
                   1692:   my ($filename) = @_;
                   1693:
3.175     scop     1694:   (my $dirname = $filename) =~ s|/[^/]+$||;
3.120     scop     1695:   $filename =~ s|.*/||;
                   1696:
3.175     scop     1697:   my @results;
                   1698:   my $dh = do { local (*DH); };
3.120     scop     1699:   if (opendir($dh, $dirname)) {
                   1700:     my $glob = $filename;
                   1701:     my $t;
                   1702:
3.149     scop     1703:     #   transform filename from glob to regex.  Deal with:
                   1704:     #   [, {, ?, * as glob chars
                   1705:     #   make sure to escape all other regex chars
3.120     scop     1706:     $glob =~ s/([\.\(\)\|\+])/\\$1/g;
                   1707:     $glob =~ s/\*/.*/g;
                   1708:     $glob =~ s/\?/./g;
                   1709:     $glob =~ s/{([^}]+)}/($t = $1) =~ s-,-|-g; "($t)"/eg;
3.222     scop     1710:     $glob = qr/^$glob$/;
                   1711:
3.120     scop     1712:     foreach (readdir($dh)) {
3.222     scop     1713:       if ($_ =~ $glob && $_ =~ VALID_PATH) {
3.194     scop     1714:         push(@results, catfile($dirname, $1)); # untaint
3.120     scop     1715:       }
                   1716:     }
                   1717:     closedir($dh);
                   1718:   }
                   1719:
3.175     scop     1720:   return @results;
3.120     scop     1721: }
                   1722:
3.160     scop     1723:
3.227     scop     1724: #
3.230     scop     1725: # Searches @command_path for the given executable file.
3.227     scop     1726: #
3.120     scop     1727: sub search_path($)
                   1728: {
                   1729:   my ($command) = @_;
3.230     scop     1730:   for my $d (@command_path) {
3.227     scop     1731:     my $cmd = catfile($d, $command);
                   1732:     return $cmd if (-x $cmd && !-d _);
3.120     scop     1733:   }
                   1734:   return '';
                   1735: }
                   1736:
3.156     scop     1737:
3.219     scop     1738: #
                   1739: # Gets the enscript(1) highlight mode corresponding to the given filename,
                   1740: # or undef if unsupported.
                   1741: #
                   1742: sub getEnscriptHL($)
                   1743: {
                   1744:   return undef unless $allow_enscript;
                   1745:   my ($filename) = @_;
                   1746:   while (my ($hl, $regex) = each %enscript_types) {
                   1747:     return $hl if ($filename =~ $regex);
                   1748:   }
                   1749:   return undef;
                   1750: }
                   1751:
                   1752:
                   1753: #
                   1754: # Gets the MIME type for the given file name.
                   1755: #
3.156     scop     1756: sub getMimeType($;$)
3.120     scop     1757: {
3.156     scop     1758:   my ($fullname, $binary) = @_;
                   1759:   $binary = ($keywordsubstitution && $keywordsubstitution =~ /b/)
                   1760:     unless defined($binary);
                   1761:
                   1762:   (my $suffix = $fullname) =~ s/^.*\.([^.]*)$/$1/;
                   1763:
                   1764:   my $mimetype = $MTYPES{$suffix};
                   1765:   $mimetype  ||= $MimeTypes->mimeTypeOf($fullname) if defined($MimeTypes);
                   1766:
                   1767:   if (!$mimetype && $suffix ne '*' && -f $mime_types && -r _) {
                   1768:     my $fh = do { local (*FH); };
                   1769:     if (open($fh, $mime_types)) {
                   1770:       my $re = sprintf('^\s*(\S+\/\S+)\s.+\b%s\b', quotemeta($suffix));
3.222     scop     1771:       $re = qr/$re/;
3.156     scop     1772:       while (my $line = <$fh>) {
                   1773:         if ($line =~ $re) {
                   1774:           $mimetype = $1;
                   1775:           $MTYPES{$suffix} = $mimetype;
                   1776:           last;
                   1777:         }
3.120     scop     1778:       }
3.156     scop     1779:       close($fh);
                   1780:     } else {
                   1781:       warn("Can't open MIME types file $mime_types for reading: $!");
3.120     scop     1782:     }
                   1783:   }
                   1784:
3.156     scop     1785:   $mimetype ||= $MTYPES{'*'};
                   1786:   $mimetype ||= $binary ? 'application/octet-stream' : 'text/plain';
3.120     scop     1787:   return $mimetype;
3.1       knu      1788: }
                   1789:
3.156     scop     1790:
3.1       knu      1791: ###############################
3.24      knu      1792: # read first lines like head(1)
                   1793: ###############################
3.120     scop     1794: sub head($;$)
                   1795: {
3.175     scop     1796:   my ($fh, $linecount) = @_;
                   1797:   $linecount ||= 10;
3.24      knu      1798:
3.120     scop     1799:   my @buf;
                   1800:   if ($linecount > 0) {
3.184     scop     1801:     for (my $i = 0; !eof($fh) && $i < $linecount; $i++) {
3.120     scop     1802:       push @buf, scalar <$fh>;
                   1803:     }
                   1804:   } else {
                   1805:     @buf = <$fh>;
                   1806:   }
3.175     scop     1807:   return @buf;
                   1808: }
3.120     scop     1809:
3.24      knu      1810:
                   1811: ###############################
                   1812: # scan vim and Emacs directives
                   1813: ###############################
3.120     scop     1814: sub scan_directives(@)
                   1815: {
                   1816:   my $ts = undef;
3.24      knu      1817:
3.120     scop     1818:   for (@_) {
                   1819:     $ts = $1 if /\b(?:ts|tabstop|tab-width)[:=]\s*([1-9]\d*)\b/;
                   1820:   }
3.24      knu      1821:
3.120     scop     1822:   ('tabstop' => $ts);
3.24      knu      1823: }
                   1824:
3.175     scop     1825:
3.120     scop     1826: sub openOutputFilter()
                   1827: {
3.175     scop     1828:   return unless $output_filter;
3.86      knu      1829:
3.120     scop     1830:   open(STDOUT, "|-") and return;
3.86      knu      1831:
3.120     scop     1832:   # child of child
3.165     scop     1833:   open(STDERR, '>', devnull());
3.120     scop     1834:   exec($output_filter) or exit -1;
3.86      knu      1835: }
                   1836:
3.175     scop     1837:
3.24      knu      1838: ###############################
3.1       knu      1839: # show Annotation
                   1840: ###############################
3.133     scop     1841: sub doAnnotate($)
3.120     scop     1842: {
                   1843:   my ($rev) = @_;
3.174     scop     1844:   (my $pathname = $where) =~ s/(Attic\/)?[^\/]*$//;
                   1845:   (my $filename = $where) =~ s/^.*\///;
3.126     scop     1846:
3.174     scop     1847:   # This annotate version is based on the cvs annotate-demo Perl script by
                   1848:   # Cyclic Software.  It was written by Cyclic Software,
                   1849:   # http://www.cyclic.com/, and is in the public domain.
                   1850:   # We could abandon the use of rlog, rcsdiff and co using
                   1851:   # the cvs server in a similiar way one day (..after rewrite).
                   1852:
                   1853:   local (*CVS_IN, *CVS_OUT);
3.215     scop     1854:   my $annotate_err;
3.174     scop     1855:   my ($h, $err) =
                   1856:     startproc([ $CMD{cvs}, @annotate_options, 'server' ],
3.215     scop     1857:               '<pipe', \*CVS_IN, '>pipe', \*CVS_OUT,
3.229     scop     1858:               '2>', \$annotate_err);
3.215     scop     1859:   fatal('500 Internal Error',
                   1860:         'Annotate failure (exit status %s), output: <pre>%s</pre>',
                   1861:         $? >> 8 || -1, $err)
                   1862:     unless $h;
3.120     scop     1863:
                   1864:   # OK, first send the request to the server.  A simplified example is:
                   1865:   #     Root /home/kingdon/zwork/cvsroot
                   1866:   #     Argument foo/xx
                   1867:   #     Directory foo
                   1868:   #     /home/kingdon/zwork/cvsroot/foo
                   1869:   #     Directory .
                   1870:   #     /home/kingdon/zwork/cvsroot
                   1871:   #     annotate
                   1872:   # although as you can see there are a few more details.
                   1873:
3.174     scop     1874:   print CVS_IN "Root $cvsroot\n";
                   1875:   print CVS_IN
3.120     scop     1876:     "Valid-responses ok error Valid-requests Checked-in Updated Merged Removed M E\n";
                   1877:
                   1878:   # Don't worry about sending valid-requests, the server just needs to
                   1879:   # support "annotate" and if it doesn't, there isn't anything to be done.
3.174     scop     1880:   print CVS_IN "UseUnchanged\n";
                   1881:   print CVS_IN "Argument -r\n";
                   1882:   print CVS_IN "Argument $rev\n";
                   1883:   print CVS_IN "Argument $where\n";
3.120     scop     1884:
                   1885:   # The protocol requires us to fully fake a working directory (at
                   1886:   # least to the point of including the directories down to the one
                   1887:   # containing the file in question).
3.123     scop     1888:   # So if $where is "dir/sdir/file", then dirs will be ("dir","sdir","file")
                   1889:   my $path = '';
                   1890:   foreach my $dir (split('/', $where)) {
3.120     scop     1891:
                   1892:     if ($path eq "") {
3.123     scop     1893:       # In our example, $dir is "dir".
                   1894:       $path = $dir;
3.120     scop     1895:     } else {
3.174     scop     1896:       print CVS_IN "Directory $path\n";
                   1897:       print CVS_IN "$cvsroot/$path\n";
3.120     scop     1898:
                   1899:       # In our example, $_ is "sdir" and $path becomes "dir/sdir"
                   1900:       # And the next time, "file" and "dir/sdir/file" (which then gets
                   1901:       # ignored, because we don't need to send Directory for the file).
3.123     scop     1902:       $path .= "/$dir";
3.120     scop     1903:     }
                   1904:   }
3.123     scop     1905:   undef $path;
3.120     scop     1906:
                   1907:   # And the last "Directory" before "annotate" is the top level.
3.174     scop     1908:   print CVS_IN "Directory .\n";
                   1909:   print CVS_IN "$cvsroot\n";
3.120     scop     1910:
3.174     scop     1911:   print CVS_IN "annotate\n";
3.120     scop     1912:
                   1913:   # OK, we've sent our command to the server.  Thing to do is to
3.215     scop     1914:   # close the writer side and get all the responses.
                   1915:   if (!close(CVS_IN)) {
3.229     scop     1916:     $h->finish();
3.215     scop     1917:     fatal('500 Internal Error',
                   1918:           'Annotate failure (exit status %s): <code>%s</code>, output: ' .
                   1919:           '<pre>%s</pre>', $? >> 8, $!, $annotate_err);
                   1920:   }
3.120     scop     1921:
3.133     scop     1922:   navigateHeader($scriptwhere, $pathname, $filename, $rev, 'annotate');
3.120     scop     1923:
3.136     scop     1924:   print '<h3 style="text-align: center">Annotation of ',
                   1925:     htmlquote("$pathname$filename"), ", revision $rev</h3>\n";
3.120     scop     1926:
                   1927:   # Ready to get the responses from the server.
                   1928:   # For example:
                   1929:   #     E Annotations for foo/xx
                   1930:   #     E ***************
                   1931:   #     M 1.3          (kingdon  06-Sep-97): hello
                   1932:   #     ok
                   1933:   my ($lineNr) = 0;
                   1934:   my ($oldLrev, $oldLusr) = ("", "");
                   1935:   my ($revprint, $usrprint);
                   1936:
                   1937:   if ($annTable) {
3.179     scop     1938:     print <<EOF;
                   1939: <table style="border: none" cellspacing="0" cellpadding="0" summary="Annotation">
                   1940: EOF
3.120     scop     1941:   } else {
                   1942:     print "<pre>";
                   1943:   }
                   1944:
                   1945:   # prefetch several lines
3.174     scop     1946:   my @buf = head(*CVS_OUT);
3.120     scop     1947:
                   1948:   my %d = scan_directives(@buf);
                   1949:
3.174     scop     1950:   while (@buf || !eof(*CVS_OUT)) {
3.197     scop     1951:
3.174     scop     1952:     $_ = @buf ? shift @buf : <CVS_OUT>;
3.120     scop     1953:     my @words = split;
                   1954:
                   1955:     # Adding one is for the (single) space which follows $words[0].
                   1956:     my $rest = substr($_, length($words[0]) + 1);
                   1957:     if ($words[0] eq "E") {
                   1958:       next;
                   1959:     } elsif ($words[0] eq "M") {
                   1960:       $lineNr++;
                   1961:       (my $lrev = substr($_, 2,  13)) =~ y/ //d;
                   1962:       (my $lusr = substr($_, 16, 9))  =~ y/ //d;
                   1963:       my $line = substr($_, 36);
                   1964:       my $isCurrentRev = ($rev eq $lrev);
                   1965:
                   1966:       # we should parse the date here ..
                   1967:       if ($lrev eq $oldLrev) {
                   1968:         $revprint = sprintf('%-8s', '');
                   1969:       } else {
                   1970:         $revprint = sprintf('%-8s', $lrev);
                   1971:         $revprint =~ s`\S+`&link($&, "$scriptwhere$query#rev$&")`e;    # `
                   1972:         $oldLusr = '';
                   1973:       }
                   1974:
                   1975:       if ($lusr eq $oldLusr) {
                   1976:         $usrprint = '';
                   1977:       } else {
                   1978:         $usrprint = $lusr;
                   1979:       }
                   1980:       $oldLrev = $lrev;
                   1981:       $oldLusr = $lusr;
                   1982:
                   1983:       # Set bold for text-based browsers only - graphical
                   1984:       # browsers show bold fonts a bit wider than regular fonts,
                   1985:       # so it looks irregular.
                   1986:       print "<b>" if ($isCurrentRev && $is_textbased);
                   1987:
3.136     scop     1988:       $usrprint = sprintf('%-8s', $usrprint);
                   1989:       printf '%s%s %s %4d:', $revprint, $isCurrentRev ? '!' : ' ',
                   1990:         htmlquote($usrprint), $lineNr;
3.120     scop     1991:       print spacedHtmlText($line, $d{'tabstop'});
                   1992:
                   1993:       print "</b>" if ($isCurrentRev && $is_textbased);
                   1994:     } elsif ($words[0] eq "ok") {
                   1995:
                   1996:       # We could complain about any text received after this, like the
                   1997:       # CVS command line client.  But for simplicity, we don't.
                   1998:     } elsif ($words[0] eq "error") {
                   1999:       fatal("500 Internal Error",
                   2000:             'Error occured during annotate: <b>%s</b>', $_);
                   2001:     }
                   2002:   }
3.229     scop     2003:   $h->finish();
3.120     scop     2004:
                   2005:   if ($annTable) {
                   2006:     print "</table>";
                   2007:   } else {
                   2008:     print "</pre>";
                   2009:   }
3.124     scop     2010:   html_footer();
3.1       knu      2011: }
                   2012:
                   2013: ###############################
                   2014: # make Checkout
                   2015: ###############################
3.120     scop     2016: sub doCheckout($$)
                   2017: {
                   2018:   my ($fullname, $rev) = @_;
3.194     scop     2019:   $rev = undef if ($rev eq 'HEAD' || $rev eq '.');
3.120     scop     2020:
3.219     scop     2021:   # Start resolving whether we will do a markup view or not.
                   2022:   my $do_markup = undef;
3.226     scop     2023:   my $want_type = $input{'content-type'};
                   2024:
3.219     scop     2025:   # No markup if markup disallowed.
                   2026:   $do_markup = 0 unless $allow_markup;
3.226     scop     2027:
3.219     scop     2028:   # No markup if checkout magic cookie in URL.
                   2029:   $do_markup = 0 if (!defined($do_markup) && $doCheckout);
3.226     scop     2030:
3.219     scop     2031:   # Do markup if explicitly asked using cvsweb-markup content type.  If the
                   2032:   # asked content type is anything else, no markup.
3.226     scop     2033:   if (!defined($do_markup) && $want_type) {
                   2034:     if ($want_type =~ CVSWEBMARKUP) {
                   2035:       $want_type = undef;
                   2036:       $do_markup = 1;
                   2037:     } else {
                   2038:       $do_markup = 0;
                   2039:     }
3.219     scop     2040:   }
                   2041:
                   2042:   # Ok, if $do_markup is still undefined, we know that a download has not been
                   2043:   # explicitly asked.  For the last check further down below we'll need to
                   2044:   # know if the file is binary, and possibly run a log on it.
                   2045:   my $needlog = $do_markup || $use_moddate;
3.120     scop     2046:
3.163     scop     2047:   my $moddate = undef;
3.175     scop     2048:   my $revopt;
3.120     scop     2049:   if (defined($rev)) {
                   2050:     $revopt = "-r$rev";
3.219     scop     2051:     if ($needlog) {
3.120     scop     2052:       readLog($fullname, $rev);
                   2053:       $moddate = $date{$rev};
                   2054:     }
                   2055:   } else {
                   2056:     $revopt = "-rHEAD";
3.219     scop     2057:     if ($needlog) {
3.120     scop     2058:       readLog($fullname);
                   2059:       $moddate = $date{$symrev{HEAD}};
                   2060:     }
                   2061:   }
                   2062:
3.194     scop     2063:   my $cr = abs_path($cvsroot) || $cvsroot;
                   2064:   # abs_path() taints when run as a CGI...
                   2065:   if ($cr =~ VALID_PATH) {
                   2066:     $cr = $1;
                   2067:   } else {
                   2068:     fatal('500 Internal Error', 'Illegal CVS root: <code>%s</code>', $cr);
                   2069:   }
3.183     scop     2070:   # Use abs_path() to work around a bug of cvs -p; expand symlinks if we can.
3.194     scop     2071:   my @cmd = ($CMD{cvs}, @cvs_options, '-d', $cr, 'co', '-p', $revopt, $where);
3.183     scop     2072:
3.174     scop     2073:   local (*CVS_OUT, *CVS_ERR);
                   2074:   my ($h, $err) =
3.229     scop     2075:     startproc(\@cmd, \"", '>pipe', \*CVS_OUT, '2>pipe', \*CVS_ERR);
3.215     scop     2076:   fatal('500 Internal Error',
                   2077:         'Checkout failure (exit status %s), output: <pre>%s</pre>',
                   2078:         $? >> 8 || -1, $err)
                   2079:     unless $h;
3.120     scop     2080:
3.174     scop     2081:   if (eof(CVS_ERR)) {
3.229     scop     2082:     $h->finish();
3.120     scop     2083:     fatal("404 Not Found", '%s is not (any longer) pertinent', $where);
                   2084:   }
                   2085:
                   2086:   #===================================================================
                   2087:   #Checking out squid/src/ftp.c
                   2088:   #RCS:  /usr/src/CVS/squid/src/ftp.c,v
                   2089:   #VERS: 1.1.1.28.6.2
                   2090:   #***************
                   2091:
                   2092:   # Parse CVS header
                   2093:   my ($revision, $filename, $cvsheader);
                   2094:   $filename = "";
3.174     scop     2095:   while (<CVS_ERR>) {
3.120     scop     2096:     last if (/^\*\*\*\*/);
                   2097:     $revision = $1 if (/^VERS: (.*)$/);
                   2098:
                   2099:     if (/^Checking out (.*)$/) {
3.214     scop     2100:       ($filename = $1) =~ s|^\./+||;
3.120     scop     2101:     }
                   2102:     $cvsheader .= $_;
                   2103:   }
3.219     scop     2104:   close(CVS_ERR);
3.120     scop     2105:
                   2106:   if ($filename ne $where) {
3.229     scop     2107:     $h->finish();
3.120     scop     2108:     fatal("500 Internal Error",
3.214     scop     2109:           'Unexpected output from cvs co: <pre>%s</pre> ' .
                   2110:           '(expected "<code>%s</code>" but got "<code>%s</code>")',
                   2111:           $cvsheader, $where, $filename);
3.120     scop     2112:   }
                   2113:
3.219     scop     2114:   # Last checks whether we'll do markup or not.
                   2115:   my $isbin = $keywordsubstitution && $keywordsubstitution =~ /b/;
                   2116:   my $mimetype = getMimeType($fullname, $isbin);
                   2117:
                   2118:   # If we still are not sure whether to do markup or not:
                   2119:   # if the MIME type is "viewable" or this is not a binary file, do.
                   2120:   $do_markup = !$isbin || viewable($mimetype) unless defined($do_markup);
                   2121:
                   2122:   if ($do_markup) {
                   2123:
                   2124:     # If this is something we'll be linking to in the markup view, we are
                   2125:     # done with this particular output from "cvs co" and must discard it.
                   2126:     my $linked = $mimetype =~ m{^image/|application/pdf$}i;
                   2127:     if ($linked) {
                   2128:       close(CVS_OUT);
3.229     scop     2129:       $h->finish();
3.219     scop     2130:     }
                   2131:
3.163     scop     2132:     # Here we know the last modified date, but don't know if tags have been
3.219     scop     2133:     # added afterwards (those are shown in the markup view): no last-modified.
                   2134:     cvswebMarkup(\*CVS_OUT, $fullname, $revision, $isbin, $mimetype, $needlog);
                   2135:
3.229     scop     2136:     $h->finish() unless $linked;
3.219     scop     2137:
3.120     scop     2138:   } else {
3.226     scop     2139:     http_header($want_type || $mimetype, $moddate);
3.174     scop     2140:     local $/ = undef;
                   2141:     print <CVS_OUT>;
3.229     scop     2142:     $h->finish();
3.120     scop     2143:   }
1.12      fenner   2144: }
                   2145:
3.174     scop     2146:
3.219     scop     2147: sub cvswebMarkup($$$$$$;$)
3.120     scop     2148: {
3.219     scop     2149:   my ($filehandle, $fullname, $rev, $isbin, $mimetype, $logged, $mod) = @_;
3.1       knu      2150:
3.175     scop     2151:   (my $pathname = $where) =~ s/(Attic\/)?[^\/]*$//;
                   2152:   (my $filename = $where) =~ s/^.*\///;
                   2153:   my $fileurl   = urlencode($filename);
3.120     scop     2154:
3.219     scop     2155:   navigateHeader($scriptwhere, $pathname, $filename, $rev, 'view', $mod);
3.120     scop     2156:
3.144     scop     2157:   print <<EOF;
3.208     scop     2158: <hr />
3.182     scop     2159: <div class="log-markup">
                   2160: File:&nbsp;
3.144     scop     2161: EOF
3.219     scop     2162:   print &clickablePath($where, 1), "<br />\n";
3.120     scop     2163:
                   2164:   if ($show_log_in_markup) {
3.219     scop     2165:     readLog($fullname) unless $logged; #,$rev);
                   2166:     printLog($rev, $mimetype, $isbin);
3.120     scop     2167:   } else {
3.219     scop     2168:     print "Version: <b>$rev</b><br />\n";
3.208     scop     2169:     print "Tag: <b>", $input{only_with_tag}, "</b><br />\n"
3.120     scop     2170:       if $input{only_with_tag};
                   2171:   }
3.208     scop     2172:   print "</div>\n<hr />";
3.219     scop     2173:   my $url = download_url($fileurl, $rev, $mimetype);
3.120     scop     2174:
3.219     scop     2175:   if ($mimetype =~ m|^image/|i) {
3.208     scop     2176:     printf '<img src="%s" alt="%s" /><br />',
3.160     scop     2177:       hrefquote("$url$barequery"), htmlquote($filename);
3.219     scop     2178:   } elsif (lc($mimetype) eq 'application/pdf') {
3.208     scop     2179:     printf '<embed src="%s" width="100%%" height="100%%" /><br />',
3.157     scop     2180:       hrefquote("$url$barequery");
3.120     scop     2181:   } else {
                   2182:
3.208     scop     2183:     print "<pre>\n";
3.167     scop     2184:     my $linenumbers = $input{ln} || 0;
3.149     scop     2185:
3.219     scop     2186:     if (my $enscript_hl = getEnscriptHL($filename)) {
3.167     scop     2187:       doEnscript($filehandle, $enscript_hl, $linenumbers);
3.148     scop     2188:
                   2189:     } else {
3.200     scop     2190:       my $ln  = 0;
                   2191:       my @buf = ();
                   2192:       my $ts  = undef;
                   2193:
                   2194:       if ($preformat_in_markup) {
                   2195:         # prefetch several lines
                   2196:         @buf = head($filehandle);
                   2197:         my %d = scan_directives(@buf);
                   2198:         $ts = $d{tabstop};
                   2199:       }
                   2200:
                   2201:       while (@buf || !eof($filehandle)) {
                   2202:         $_ = @buf ? shift @buf : <$filehandle>;
3.167     scop     2203:         if ($linenumbers) {
                   2204:           $ln++;
                   2205:           printf '<a id="l%d" class="src">%5d: </a>', ($ln) x 2;
3.149     scop     2206:         }
3.200     scop     2207:         print $preformat_in_markup ? spacedHtmlText($_, $ts) : htmlquote($_);
3.148     scop     2208:       }
3.120     scop     2209:     }
3.149     scop     2210:
                   2211:     print "</pre>\n";
3.120     scop     2212:   }
3.131     scop     2213:   html_footer();
3.120     scop     2214: }
                   2215:
3.156     scop     2216:
3.120     scop     2217: sub viewable($)
                   2218: {
3.219     scop     2219:   return shift =~ m{^((text|image)/|application/pdf)}i;
3.156     scop     2220: }
3.120     scop     2221:
3.1       knu      2222:
                   2223: ###############################
                   2224: # Show Colored Diff
                   2225: ###############################
3.120     scop     2226: sub doDiff($$$$$$)
                   2227: {
                   2228:   my ($fullname, $r1, $tr1, $r2, $tr2, $f) = @_;
                   2229:
                   2230:   if (&forbidden_file($fullname)) {
                   2231:     fatal("403 Forbidden",
                   2232:           'Access forbidden.  This file is mentioned in @ForbiddenFiles');
                   2233:   }
                   2234:
3.175     scop     2235:   my ($rev1, $sym1);
3.120     scop     2236:   if ($r1 =~ /([^:]+)(:(.+))?/) {
                   2237:     $rev1 = $1;
                   2238:     $sym1 = $3;
                   2239:   }
                   2240:   if ($r1 eq 'text') {
                   2241:     $rev1 = $tr1;
                   2242:     $sym1 = "";
                   2243:   }
                   2244:
3.175     scop     2245:   my ($rev2, $sym2);
3.120     scop     2246:   if ($r2 =~ /([^:]+)(:(.+))?/) {
                   2247:     $rev2 = $1;
                   2248:     $sym2 = $3;
                   2249:   }
                   2250:   if ($r2 eq 'text') {
                   2251:     $rev2 = $tr2;
                   2252:     $sym2 = "";
                   2253:   }
                   2254:
                   2255:   #
                   2256:   # rev1 and rev2 are now both numeric revisions.
                   2257:   # Thus we do a DWIM here and swap them if rev1 is after rev2.
                   2258:   # XXX should we warn about the fact that we do this?
                   2259:   if (&revcmp($rev1, $rev2) > 0) {
                   2260:     my ($tmp1, $tmp2) = ($rev1, $sym1);
                   2261:     ($rev1, $sym1) = ($rev2, $sym2);
                   2262:     ($rev2, $sym2) = ($tmp1, $tmp2);
                   2263:   }
3.225     scop     2264:
                   2265:   my $mimetype = getMimeType($fullname);
                   2266:
                   2267:   #
                   2268:   #  Check for per-MIME type diff commands.
                   2269:   #
                   2270:   my $diffcmd = undef;
                   2271:   if (my $diffcmds = $DIFF_COMMANDS{lc($mimetype)}) {
                   2272:     if ($f =~ /^ext(\d*)$/) {
                   2273:       my $n = $1 || 0;
                   2274:       $diffcmd = $diffcmds->[$n];
                   2275:     }
                   2276:   }
                   2277:   if ($diffcmd && $diffcmd->{cmd} && $diffcmd->{name}) {
                   2278:
                   2279:     if ($diffcmd->{args} && ref($diffcmd->{args}) ne 'ARRAY') {
                   2280:       fatal('500 Internal Error',
                   2281:             'Configuration error: arguments to external diff tools must ' .
                   2282:             'be given as array refs.  See "<code>%s</code>" in ' .
                   2283:             '<code>%%DIFF_COMMANDS</code>.',
                   2284:             $diffcmd->{name});
                   2285:     }
                   2286:
                   2287:     (my $cvsname = $where) =~ s/\.diff$//;
                   2288:
                   2289:     # Create two temporary files with the two revisions
                   2290:     my $temp_fn1 = checkout_to_temp($cvsroot, $cvsname, $rev1);
                   2291:     my $temp_fn2 = checkout_to_temp($cvsroot, $cvsname, $rev2);
                   2292:
                   2293:     # Execute chosen diff binary.
                   2294:     local (*DIFF_OUT);
                   2295:     my @cmd = ($diffcmd->{cmd});
                   2296:     push(@cmd, @{$diffcmd->{args}}) if $diffcmd->{args};
                   2297:     push(@cmd, $temp_fn1, $temp_fn2);
                   2298:     my ($h, $err) = startproc(\@cmd, \"", '>pipe', \*DIFF_OUT);
                   2299:     if (!$h) {
                   2300:       unlink($temp_fn1);
                   2301:       unlink($temp_fn2);
                   2302:       fatal('500 Internal Error',
                   2303:             'Diff failure (exit status %s), output: <pre>%s</pre>',
                   2304:             $? >> 8 || -1, $err);
                   2305:     }
                   2306:
                   2307:     http_header($diffcmd->{type} || 'text/plain');
                   2308:     local $/ = undef;
                   2309:     print <DIFF_OUT>;
3.229     scop     2310:     $h->finish();
3.225     scop     2311:     unlink($temp_fn1);
                   2312:     unlink($temp_fn2);
                   2313:
                   2314:     exit;
                   2315:   }
                   2316:
                   2317:   #
                   2318:   # Normal CVS diff.
                   2319:   #
                   2320:
                   2321:   $f = $DEFAULTVALUE{f} || 'u' if ($f =~ /^ext\d*$/);
3.120     scop     2322:   my $difftype = $DIFFTYPES{$f};
                   2323:   if (!$difftype) {
                   2324:     fatal("400 Bad arguments", 'Diff format %s not understood', $f);
                   2325:   }
                   2326:
                   2327:   my @difftype       = @{$difftype->{'opts'}};
                   2328:   my $human_readable = $difftype->{'colored'};
                   2329:
                   2330:   # apply special options
                   2331:   if ($showfunc) {
                   2332:     push @difftype, '-p' if $f ne 's';
                   2333:
                   2334:     my ($re1, $re2);
                   2335:
                   2336:     while (($re1, $re2) = each %funcline_regexp) {
3.222     scop     2337:       if ($fullname =~ $re1) {
3.120     scop     2338:         push @difftype, '-F', $re2;
                   2339:         last;
                   2340:       }
                   2341:     }
                   2342:   }
                   2343:
                   2344:   if ($human_readable) {
                   2345:     if ($hr_ignwhite) {
                   2346:       push @difftype, '-w';
                   2347:     }
                   2348:     if ($hr_ignkeysubst) {
                   2349:       push @difftype, '-kk';
                   2350:     }
                   2351:   }
                   2352:
3.175     scop     2353:   my $fh = do { local (*FH); };
3.120     scop     2354:   if (!open($fh, "-|")) {    # child
                   2355:     open(STDERR, ">&STDOUT");    # Redirect stderr to stdout
                   2356:     openOutputFilter();
3.166     scop     2357:     exec($CMD{rcsdiff}, @rcsdiff_options, @difftype, "-r$rev1", "-r$rev2",
                   2358:          $fullname) or exit -1;
3.120     scop     2359:   }
3.166     scop     2360:
3.120     scop     2361:   if ($human_readable) {
3.168     scop     2362:     #
                   2363:     # Human readable diff.
                   2364:     #
                   2365:     human_readable_diff($fh, $rev2);
                   2366:     html_footer();
                   2367:     gzipclose();
                   2368:     exit;
                   2369:
                   2370:   } elsif ($f =~ /^([ucs])c$/) {
                   2371:     #
                   2372:     # Enscript colored diff.
                   2373:     #
                   2374:     my $hl = 'diff';
                   2375:     $hl .= $1 if ($1 eq 'u' || $1 eq 's');
                   2376:     (my $where_nd = $where)       =~ s/\.diff$//;
                   2377:     (my $pathname = $where_nd)    =~ s|(Attic\/)?[^/]*$||;
                   2378:     (my $filename = $where_nd)    =~ s|^.*/||;
                   2379:     (my $swhere   = $scriptwhere) =~ s|\.diff$||;
                   2380:     navigateHeader($swhere, $pathname, $filename, $rev2, 'diff');
                   2381:     printf(<<EOF, $where_nd, $rev1, $rev2);
                   2382: <h3 style="text-align: center">Diff for /%s between versions %s and %s</h3>
                   2383: <pre>
                   2384: EOF
3.174     scop     2385:     doEnscript(\$fh, $hl, 0);
3.168     scop     2386:     print <<EOF;
                   2387: </pre>
3.208     scop     2388: <hr style="width: 100%" />
3.168     scop     2389: <form method="get" action="$scriptwhere">
                   2390: EOF
                   2391:     printDiffSelectStickyVars();
                   2392:     print 'Diff format: ';
                   2393:     printDiffSelect($use_java_script);
3.208     scop     2394:     print "<input type=\"submit\" value=\"Show\" />\n</form>\n";
3.120     scop     2395:     html_footer();
                   2396:     gzipclose();
                   2397:     exit;
3.168     scop     2398:
3.120     scop     2399:   } else {
3.168     scop     2400:     #
                   2401:     # Plain diff.
                   2402:     #
3.120     scop     2403:     http_header("text/plain");
                   2404:   }
                   2405:
                   2406:   #
                   2407:   #===================================================================
                   2408:   #RCS file: /home/ncvs/src/sys/netinet/tcp_output.c,v
                   2409:   #retrieving revision 1.16
                   2410:   #retrieving revision 1.17
                   2411:   #diff -c -r1.16 -r1.17
                   2412:   #*** /home/ncvs/src/sys/netinet/tcp_output.c     1995/11/03 22:08:08     1.16
                   2413:   #--- /home/ncvs/src/sys/netinet/tcp_output.c     1995/12/05 17:46:35     1.17
                   2414:   #
                   2415:   # Ideas:
                   2416:   # - nuke the stderr output if it's what we expect it to be
                   2417:   # - Add "no differences found" if the diff command supplied no output.
                   2418:   #
                   2419:   #*** src/sys/netinet/tcp_output.c     1995/11/03 22:08:08     1.16
                   2420:   #--- src/sys/netinet/tcp_output.c     1995/12/05 17:46:35     1.17 RELENG_2_1_0
                   2421:   # (bogus example, but...)
                   2422:   #
3.175     scop     2423:   my ($f1, $f2);
3.120     scop     2424:   if (grep { $_ eq '-u' } @difftype) {
                   2425:     $f1 = '---';
                   2426:     $f2 = '\+\+\+';
                   2427:   } else {
                   2428:     $f1 = '\*\*\*';
                   2429:     $f2 = '---';
                   2430:   }
                   2431:
                   2432:   while (<$fh>) {
                   2433:     if (m|^$f1 $cvsroot|o) {
                   2434:       s|$cvsroot/||o;
                   2435:       if ($sym1) {
                   2436:         chop;
                   2437:         $_ .= " $sym1\n";
                   2438:       }
                   2439:     } elsif (m|^$f2 $cvsroot|o) {
                   2440:       s|$cvsroot/||o;
                   2441:
                   2442:       if ($sym2) {
                   2443:         chop;
                   2444:         $_ .= " $sym2\n";
                   2445:       }
                   2446:     }
                   2447:     print $_;
                   2448:   }
                   2449:   close($fh);
1.12      fenner   2450: }
                   2451:
3.175     scop     2452:
3.1       knu      2453: ###############################
                   2454: # Show Logs ..
                   2455: ###############################
3.120     scop     2456: sub getDirLogs($$@)
                   2457: {
                   2458:   my ($cvsroot, $dirname, @otherFiles) = @_;
3.139     scop     2459:   my $tag = $input{only_with_tag};
3.196     scop     2460:   my $DirName = catdir($cvsroot, $where);
3.120     scop     2461:
3.139     scop     2462:   my @files = &safeglob("$DirName/*,v");
                   2463:   push (@files, &safeglob("$DirName/Attic/*,v")) if (!$input{'hideattic'});
3.120     scop     2464:   foreach my $file (@otherFiles) {
3.196     scop     2465:     push(@files, catfile($DirName, $file));
3.120     scop     2466:   }
                   2467:
3.150     scop     2468:   # Weed out unreadable files.
                   2469:   my $i = 0;
                   2470:   my @unreadable = ();
                   2471:   while ($i < scalar(@files)) {
3.197     scop     2472:     # Note: last modified files from subdirs returned by
                   2473:     # findLastModifiedSubdirs() come without the ,v suffix so they're not
                   2474:     # found here, but have already been checked for readability.  *cough*
                   2475:     if (-r $files[$i] || !-e _) {
3.150     scop     2476:       $i++;
                   2477:     } else {
                   2478:       push(@unreadable, splice(@files, $i, 1));
                   2479:     }
                   2480:   }
                   2481:
3.139     scop     2482:   # If there are no files, we're done.
3.150     scop     2483:   return @unreadable unless @files;
3.120     scop     2484:
3.139     scop     2485:   my @cmd = ($CMD{rlog});
                   2486:   # Can't use -r<tag> as '-' is allowed in tagnames,
                   2487:   # but misinterpreted by rlog.
                   2488:   push(@cmd, '-r') unless defined($tag);
3.120     scop     2489:
3.139     scop     2490:   my $fh = do { local (*FH); };
                   2491:   if (!open($fh, '-|')) {            # Child
3.165     scop     2492:     open(STDERR, '>', devnull());    # Ignore rlog's complaints.
3.139     scop     2493:     openOutputFilter();
                   2494:     if ($file_list_len && $file_list_len > 1) {
                   2495:       while (scalar(@files) > $file_list_len) {  # Process files in chunks.
                   2496:         system(@cmd, splice(@files, 0, $file_list_len)) == 0 or exit -1;
                   2497:       }
3.120     scop     2498:     }
3.139     scop     2499:     exec(@cmd, @files) or exit -1;
                   2500:   }
                   2501:   undef @cmd;
3.120     scop     2502:
3.139     scop     2503:   my $state = 'start';
                   2504:   my ($date, $branchpoint, $branch, $log, @filetags);
3.152     scop     2505:   my ($rev, $revision, $revwanted, $filename, $head, $author, $keywordsubst);
3.120     scop     2506:
                   2507:   while (<$fh>) {
                   2508:     if ($state eq "start") {
                   2509:
                   2510:       #Next file. Initialize file variables
                   2511:       $rev         = '';
                   2512:       $revwanted   = '';
                   2513:       $branch      = '';
                   2514:       $branchpoint = '';
                   2515:       $filename    = '';
                   2516:       $log         = '';
                   2517:       $revision    = '';
                   2518:       %symrev      = ();
                   2519:       @filetags    = ();
3.152     scop     2520:       $keywordsubst= '';
3.120     scop     2521:
                   2522:       #jump to head state
                   2523:       $state = "head";
                   2524:     }
3.144     scop     2525:
3.120     scop     2526:     again:
                   2527:
                   2528:     if ($state eq "head") {
                   2529:
                   2530:       #$rcsfile = $1 if (/^RCS file: (.+)$/); #not used (yet)
                   2531:
                   2532:       if (/^Working file: (.+)$/) {
                   2533:         $filename = $1;
                   2534:       } elsif (/^head: (.+)$/) {
                   2535:         $head = $1;
                   2536:       } elsif (/^branch: (.+)$/) {
                   2537:         $branch = $1;
3.152     scop     2538:       } elsif (/^keyword substitution: (.+)$/) {
                   2539:         $keywordsubst = $1;
3.120     scop     2540:       } elsif (/^symbolic names:/) {
                   2541:         $state = "tags";
                   2542:         ($branch = $head) =~ s/\.\d+$//
                   2543:           if $branch eq '';
                   2544:         $branch =~ s/(\d+)$/0.$1/;
                   2545:         $symrev{MAIN}  = $branch;
                   2546:         $symrev{HEAD}  = $branch;
                   2547:         $alltags{MAIN} = 1;
                   2548:         $alltags{HEAD} = 1;
                   2549:         push (@filetags, "MAIN", "HEAD");
3.222     scop     2550:       } elsif ($_ =~ LOG_REVSEPR) {
3.120     scop     2551:         $state = "log";
                   2552:         $rev   = '';
                   2553:         $date  = '';
                   2554:         $log   = '';
                   2555:
                   2556:         # Try to reconstruct the relative filename if RCS spits out a full path
                   2557:         $filename =~ s%^\Q$DirName\E/%%;
                   2558:       }
                   2559:       next;
                   2560:     }
                   2561:
                   2562:     if ($state eq "tags") {
                   2563:       if (/^\s+([^:]+):\s+([\d\.]+)\s*$/) {
                   2564:         push (@filetags, $1);
                   2565:         $symrev{$1}  = $2;
                   2566:         $alltags{$1} = 1;
                   2567:         next;
                   2568:       } elsif (/^\S/) {
                   2569:
                   2570:         if (defined($tag)) {
                   2571:           if (defined($symrev{$tag}) || $tag eq "HEAD") {
                   2572:             $revwanted    = $symrev{$tag eq "HEAD" ? "MAIN" : $tag};
                   2573:             ($branch      = $revwanted) =~ s/\b0\.//;
                   2574:             ($branchpoint = $branch)    =~ s/\.?\d+$//;
                   2575:             $revwanted    = '' if ($revwanted ne $branch);
                   2576:           } elsif ($tag ne "HEAD") {
                   2577:             $state = "skip";
                   2578:             next;
                   2579:           }
                   2580:         }
                   2581:
                   2582:         foreach my $tagfound (@filetags) {
                   2583:           $tags{$tagfound} = 1;
                   2584:         }
                   2585:         $state = "head";
                   2586:         goto again;
                   2587:       }
                   2588:     }
                   2589:
                   2590:     if ($state eq "log") {
3.222     scop     2591:       if ($_ =~ LOG_REVSEPR || $_ =~ LOG_FILESEPR) {
3.120     scop     2592:
                   2593:         # End of a log entry.
                   2594:         my $revbranch = $rev;
                   2595:         $revbranch =~ s/\.\d+$//;
                   2596:
                   2597:         if ($revwanted eq '' && $branch ne '' && $branch eq $revbranch
                   2598:             || !defined($tag))
                   2599:         {
                   2600:           $revwanted = $rev;
                   2601:         }
                   2602:
                   2603:         if ($revwanted ne ''
                   2604:             ? $rev eq $revwanted
                   2605:             : $branchpoint ne ''
                   2606:               ? $rev eq $branchpoint
                   2607:               : 0
                   2608:             && ($rev eq $head))
                   2609:         {    # Don't think head is needed here..
3.152     scop     2610:           my @finfo = ($rev, $date, $log, $author, $filename, $keywordsubst);
                   2611:           (my $name = $filename) =~ s%/.*%%;
3.120     scop     2612:           $fileinfo{$name} = [@finfo];
                   2613:           $state = "done" if ($rev eq $revwanted);
                   2614:         }
                   2615:         $rev  = '';
                   2616:         $date = '';
                   2617:         $log  = '';
                   2618:       } elsif ($date eq ''
                   2619:                && m|^date:\s+(\d+)/(\d+)/(\d+)\s+(\d+):(\d+):(\d+);|)
                   2620:       {
3.172     scop     2621:         my $yr    = $1;
                   2622:         $yr      -= 1900 if ($yr > 100); # Damn 2-digit year routines :-)
                   2623:         $date     = timegm($6, $5, $4, $3, $2 - 1, $yr);
3.120     scop     2624:         ($author) = /author: ([^;]+)/;
3.172     scop     2625:         $state    = 'log';
                   2626:         $log      = '';
3.120     scop     2627:         next;
                   2628:       } elsif ($rev eq '' && /^revision (\d+(?:\.\d+)+).*$/) {
                   2629:         $rev = $1;    # .*$ eats up the locker(lockers?) info, if any
                   2630:         next;
                   2631:       } else {
                   2632:         $log .= $_;
                   2633:       }
                   2634:     }
                   2635:
3.222     scop     2636:     if ($_ =~ LOG_FILESEPR) {
3.120     scop     2637:       $state = "start";
                   2638:       next;
                   2639:     }
                   2640:   }
                   2641:
3.139     scop     2642:   my $linesread = $. || 0;
                   2643:   close($fh);
                   2644:
                   2645:   if ($linesread == 0) {
3.137     scop     2646:     fatal('500 Internal Error',
3.230     scop     2647:           'Failed to spawn GNU rlog on <em>"%s"</em>.<br /><br />Did you set the <b><code>@command_path</code></b> in your configuration file correctly? (Currently: "<code>%s</code>")',
                   2648:           htmlquote(join(', ', @files)), join(':', @command_path));
3.120     scop     2649:   }
3.150     scop     2650:
                   2651:   return @unreadable;
3.120     scop     2652: }
                   2653:
3.175     scop     2654:
3.120     scop     2655: sub readLog($;$)
                   2656: {
                   2657:   my ($fullname, $revision) = @_;
                   2658:   my ($symnames, $head, $rev, $br, $brp, $branch, $branchrev);
                   2659:
3.144     scop     2660:   $revision = defined($revision) ? "-r$revision" : '';
3.120     scop     2661:
                   2662:   undef %symrev;
                   2663:   undef %revsym;
                   2664:   undef @allrevisions;
                   2665:   undef %date;
                   2666:   undef %author;
                   2667:   undef %state;
                   2668:   undef %difflines;
                   2669:   undef %log;
3.152     scop     2670:   $keywordsubstitution = '';
3.120     scop     2671:
3.175     scop     2672:   my $fh = do { local (*FH); };
3.120     scop     2673:   if (!open($fh, "-|")) {    # child
                   2674:     if ($revision ne '') {
                   2675:       openOutputFilter();
                   2676:       exec($CMD{rlog}, $revision, $fullname) or exit -1;
                   2677:     } else {
                   2678:       openOutputFilter();
                   2679:       exec($CMD{rlog}, $fullname) or exit -1;
                   2680:     }
                   2681:   }
                   2682:
3.217     scop     2683:   my $curbranch = undef;
3.120     scop     2684:   while (<$fh>) {
                   2685:     if ($symnames) {
                   2686:       if (/^\s+([^:]+):\s+([\d\.]+)/) {
                   2687:         $symrev{$1} = $2;
3.152     scop     2688:         next;
3.120     scop     2689:       } else {
                   2690:         $symnames = 0;
                   2691:       }
3.152     scop     2692:     }
                   2693:     if (/^head:\s+([\d\.]+)/) {
3.120     scop     2694:       $head = $1;
                   2695:     } elsif (/^branch:\s+([\d\.]+)/) {
                   2696:       $curbranch = $1;
                   2697:     } elsif (/^symbolic names/) {
                   2698:       $symnames = 1;
3.152     scop     2699:     } elsif (/^keyword substitution: (.+)$/) {
                   2700:       $keywordsubstitution = $1;
3.120     scop     2701:     } elsif (/^-----/) {
                   2702:       last;
                   2703:     }
                   2704:   }
                   2705:   ($curbranch = $head) =~ s/\.\d+$// if (!defined($curbranch));
                   2706:
                   2707:   # each log entry is of the form:
                   2708:   # ----------------------------
                   2709:   # revision 3.7.1.1
                   2710:   # date: 1995/11/29 22:15:52;  author: fenner;  state: Exp;  lines: +5 -3
                   2711:   # log info
                   2712:   # ----------------------------
                   2713:
                   2714:   # For a locked revision, the first line after the separator
                   2715:   # becomes smth like
3.149     scop     2716:   # revision 9.19       locked by: vassilii;
3.120     scop     2717:
                   2718:   logentry:
                   2719:
3.222     scop     2720:   while ($_ !~ LOG_FILESEPR) {
3.120     scop     2721:     $_ = <$fh>;
                   2722:     last logentry if (!defined($_));    # EOF
                   2723:     if (/^revision (\d+(?:\.\d+)+)/) {
                   2724:       $rev = $1;
                   2725:       unshift (@allrevisions, $rev);
3.222     scop     2726:     } elsif ($_ =~ LOG_FILESEPR || $_ =~ LOG_REVSEPR) {
3.120     scop     2727:       next logentry;
                   2728:     } else {
                   2729:
                   2730:       # The rlog output is syntactically ambiguous.  We must
                   2731:       # have guessed wrong about where the end of the last log
                   2732:       # message was.
                   2733:       # Since this is likely to happen when people put rlog output
                   2734:       # in their commit messages, don't even bother keeping
                   2735:       # these lines since we don't know what revision they go with
                   2736:       # any more.
                   2737:       next logentry;
                   2738:     }
                   2739:     $_ = <$fh>;
                   2740:     if (
                   2741:       m|^date:\s+(\d+)/(\d+)/(\d+)\s+(\d+):(\d+):(\d+);\s+author:\s+(\S+);\s+state:\s+(\S+);\s+(lines:\s+([0-9\s+-]+))?|
                   2742:       )
                   2743:     {
3.172     scop     2744:       my $yr           = $1;
                   2745:       $yr             -= 1900 if ($yr > 100); # Damn 2-digit year routines :-)
                   2746:       $date{$rev}      = timegm($6, $5, $4, $3, $2 - 1, $yr);
3.120     scop     2747:       $author{$rev}    = $7;
                   2748:       $state{$rev}     = $8;
                   2749:       $difflines{$rev} = $10;
                   2750:     } else {
                   2751:       fatal("500 Internal Error", 'Error parsing RCS output: %s', $_);
                   2752:     }
                   2753:
                   2754:   line:
                   2755:     while (<$fh>) {
                   2756:       next line if (/^branches:\s/);
3.222     scop     2757:       last line if ($_ =~ LOG_FILESEPR || $_ =~ LOG_REVSEPR);
3.120     scop     2758:       $log{$rev} .= $_;
                   2759:     }
                   2760:   }
                   2761:   close($fh);
                   2762:
                   2763:   @revorder = reverse sort { revcmp($a, $b) } @allrevisions;
                   2764:
                   2765:   #
                   2766:   # HEAD is an artificial tag which is simply the highest tag number on the main
                   2767:   # branch, unless there is a branch tag in the RCS file in which case it's the
                   2768:   # highest revision on that branch.  Find it by looking through @revorder; it
                   2769:   # is the first commit listed on the appropriate branch.
                   2770:   # This is not neccesary the same revision as marked as head in the RCS file.
                   2771:   my $headrev = $curbranch || "1";
                   2772:   ($symrev{"MAIN"} = $headrev) =~ s/(\d+)$/0.$1/;
                   2773:
                   2774:   foreach $rev (@revorder) {
                   2775:     if ($rev =~ /^(\S*)\.\d+$/ && $headrev eq $1) {
                   2776:       $symrev{"HEAD"} = $rev;
                   2777:       last;
                   2778:     }
                   2779:   }
                   2780:   ($symrev{"HEAD"} = $headrev) =~ s/\.\d+$//
                   2781:     if (!defined($symrev{"HEAD"}));
                   2782:
                   2783:   #
                   2784:   # Now that we know all of the revision numbers, we can associate
                   2785:   # absolute revision numbers with all of the symbolic names, and
                   2786:   # pass them to the form so that the same association doesn't have
                   2787:   # to be built then.
                   2788:   #
                   2789:   undef @branchnames;
                   2790:   undef %branchpoint;
                   2791:   undef $sel;
                   2792:
                   2793:   foreach (reverse sort keys %symrev) {
                   2794:     $rev = $symrev{$_};
                   2795:     if ($rev =~ /^((.*)\.)?\b0\.(\d+)$/) {
                   2796:       push (@branchnames, $_);
                   2797:
                   2798:       #
                   2799:       # A revision number of A.B.0.D really translates into
                   2800:       # "the highest current revision on branch A.B.D".
                   2801:       #
                   2802:       # If there is no branch A.B.D, then it translates into
                   2803:       # the head A.B .
                   2804:       #
                   2805:       # This reasoning also applies to the main branch A.B,
                   2806:       # with the branch number 0.A, with the exception that
                   2807:       # it has no head to translate to if there is nothing on
                   2808:       # the branch, but I guess this can never happen?
                   2809:       #
                   2810:       # (the code below gracefully forgets about the branch
                   2811:       # if it should happen)
                   2812:       #
                   2813:       $head = defined($2) ? $2 : "";
                   2814:       $branch = $3;
                   2815:       $branchrev = $head . ($head ne "" ? "." : "") . $branch;
3.222     scop     2816:       $rev = $head;
                   2817:
                   2818:       my $regex = '^' . quotemeta($branchrev) . '\b';
                   2819:       $regex = qr/$regex/;
3.120     scop     2820:
                   2821:       foreach my $r (@revorder) {
3.222     scop     2822:         if ($r =~ $regex) {
3.120     scop     2823:           $rev = $branchrev;
                   2824:           last;
                   2825:         }
                   2826:       }
                   2827:       next if ($rev eq "");
                   2828:
                   2829:       if ($rev ne $head && $head ne "") {
3.131     scop     2830:         $branchpoint{$head} .= ', ' if ($branchpoint{$head});
3.120     scop     2831:         $branchpoint{$head} .= $_;
                   2832:       }
                   2833:     }
                   2834:     $revsym{$rev} .= ", " if ($revsym{$rev});
                   2835:     $revsym{$rev} .= $_;
3.136     scop     2836:     $sel .= sprintf("<option value=\"%s:%s\">%s</option>\n",
                   2837:                     htmlquote($rev), (htmlquote($_)) x 2);
3.120     scop     2838:   }
                   2839:
                   2840:   my ($onlyonbranch, $onlybranchpoint);
                   2841:   if ($onlyonbranch = $input{'only_with_tag'}) {
                   2842:     $onlyonbranch = $symrev{$onlyonbranch};
                   2843:     if ($onlyonbranch =~ s/\b0\.//) {
                   2844:       ($onlybranchpoint = $onlyonbranch) =~ s/\.\d+$//;
                   2845:     } else {
                   2846:       $onlybranchpoint = $onlyonbranch;
                   2847:     }
                   2848:
                   2849:     if (!defined($onlyonbranch) || $onlybranchpoint eq "") {
                   2850:       fatal("404 Tag not found", 'Tag %s not defined',
3.131     scop     2851:             $input{'only_with_tag'});
3.120     scop     2852:     }
                   2853:   }
                   2854:
                   2855:   undef @revisions;
                   2856:
                   2857:   foreach (@allrevisions) {
                   2858:     ($br  = $_)  =~ s/\.\d+$//;
                   2859:     ($brp = $br) =~ s/\.\d+$//;
                   2860:     next if ($onlyonbranch
                   2861:              && $br ne $onlyonbranch
                   2862:              && $_  ne $onlybranchpoint);
                   2863:     unshift (@revisions, $_);
                   2864:   }
                   2865:
                   2866:   if ($logsort eq "date") {
                   2867:
                   2868:     # Sort the revisions in commit order an secondary sort on revision
                   2869:     # (secondary sort needed for imported sources, or the first main
                   2870:     # revision gets before the same revision on the 1.1.1 branch)
                   2871:     @revdisplayorder =
                   2872:       sort { $date{$b} <=> $date{$a} || -revcmp($a, $b) } @revisions;
                   2873:   } elsif ($logsort eq "rev") {
                   2874:
                   2875:     # Sort the revisions in revision order, highest first
                   2876:     @revdisplayorder = reverse sort { revcmp($a, $b) } @revisions;
                   2877:   } else {
                   2878:
                   2879:     # No sorting. Present in the same order as rlog / cvs log
                   2880:     @revdisplayorder = @revisions;
                   2881:   }
                   2882:
3.217     scop     2883:   return $curbranch;
3.120     scop     2884: }
                   2885:
3.175     scop     2886:
3.225     scop     2887: sub getDiffLinks($$$)
3.120     scop     2888: {
3.225     scop     2889:   my ($url, $mimetype, $isbin) = @_;
                   2890:
                   2891:   my @links = ();
                   2892:   if (!$isbin) { # Offer ordinary diff only for non-binary files.
                   2893:     push(@links, &link('preferred', $url));
                   2894:     for my $difftype ($DIFFTYPES{$defaultDiffType}{colored} ? qw(u) : qw(h)) {
                   2895:       my $f = $difftype eq $defaultDiffType ? '' : $difftype;
                   2896:       push(@links,
                   2897:            &link(htmlquote(lc($DIFFTYPES{$difftype}{descr})), "$url;f=$f"));
                   2898:     }
                   2899:   }
                   2900:   if (my $extdiffs = $DIFF_COMMANDS{lc($mimetype)}) {
                   2901:     for my $i (0 .. scalar(@$extdiffs)-1) {
                   2902:       my $extdiff = $extdiffs->[$i];
                   2903:       push(@links, &link(htmlquote($extdiff->{name}), "$url;f=ext$i"))
                   2904:         if ($extdiff->{cmd} && $extdiff->{name});
                   2905:     }
3.120     scop     2906:   }
3.225     scop     2907:   return @links;
3.120     scop     2908: }
                   2909:
3.175     scop     2910:
3.219     scop     2911: sub printLog($$$;$$)
3.120     scop     2912: {
3.219     scop     2913:   # inlogview: 1 if in log view, otherwise in markup view.
                   2914:   ($_, my $mimetype, my $isbin, my $inlogview, my $isSelected) = @_;
3.175     scop     2915:   (my $br  = $_)  =~ s/\.\d+$//;
                   2916:   (my $brp = $br) =~ s/\.?\d+$//;
3.120     scop     2917:
3.131     scop     2918:   my $isDead = ($state{$_} eq 'dead');
                   2919:
3.219     scop     2920:   (my $filename = $where) =~ s/^.*\///;
                   2921:   my $fileurl   = urlencode($filename);
3.120     scop     2922:
3.219     scop     2923:   print "<a name=\"rev$_\"></a>";
                   2924:   if (defined($revsym{$_})) {
                   2925:     foreach my $sym (split (", ", $revsym{$_})) {
                   2926:       print '<a name="', hrefquote($sym), '"></a>';
3.120     scop     2927:     }
3.219     scop     2928:   }
                   2929:   if ($revsym{$br} && !defined($nameprinted{$br})) {
                   2930:     foreach my $sym (split (", ", $revsym{$br})) {
                   2931:       print '<a name="', hrefquote($sym), '"></a>';
3.120     scop     2932:     }
3.219     scop     2933:     $nameprinted{$br} = 1;
                   2934:   }
3.120     scop     2935:
3.219     scop     2936:   printf "\n Revision <b>%s</b>", htmlquote($_);
                   2937:   if (/^1\.1\.1\.\d+$/) {
                   2938:     print " <i>(vendor branch)</i>";
                   2939:   }
                   2940:   if (!$isDead) {
3.220     scop     2941:     print ': ', download_link($fileurl, $_, 'download', $mimetype);
3.219     scop     2942:
                   2943:     my @vlinks = ();
                   2944:     push(@vlinks, display_link($fileurl, $_, 'text', 'text/plain'))
                   2945:       unless $isbin;
                   2946:     push(@vlinks, display_link($fileurl, $_, 'markup', 'text/x-cvsweb-markup'))
                   2947:       if ($allow_markup && $inlogview && (!$isbin || viewable($mimetype)));
                   2948:     if (!$isbin) {
                   2949:       push(@vlinks,
                   2950:            &link('annotated',
                   2951:                  sprintf('%s/%s?annotate=%s%s',
                   2952:                          $scriptname, urlencode($where), $_, $barequery)))
                   2953:         if $allow_annotate;
                   2954:     }
                   2955:     print ' - view: ', join(', ', @vlinks) if @vlinks;
                   2956:     undef @vlinks;
                   2957:
                   2958:     if (!$isbin) {
                   2959:       if ($inlogview && $allow_version_select) {
                   2960:         print ' - ';
                   2961:         if ($isSelected) {
                   2962:           print '<b>[selected&nbsp;for&nbsp;diffs]</b>';
                   2963:         } else {
                   2964:           print &link('select&nbsp;for&nbsp;diffs',
                   2965:                       sprintf('%s?r1=%s%s#rev%s',
                   2966:                               $scriptwhere, $_, $barequery, $_));
                   2967:         }
                   2968:       } elsif ($allow_cvsgraph) {
                   2969:         print ' - ', &graph_link('', 'graph');
3.120     scop     2970:       }
                   2971:     }
                   2972:   }
3.219     scop     2973:   print "<br />\n";
3.120     scop     2974:
3.219     scop     2975:   print '<i>';
3.120     scop     2976:   if (defined @mytz) {
                   2977:     my ($est) = $mytz[(localtime($date{$_}))[8]];
3.219     scop     2978:     print scalar localtime($date{$_}), " $est</i> (";
3.120     scop     2979:   } else {
3.219     scop     2980:     print scalar gmtime($date{$_}), " UTC</i> (";
3.120     scop     2981:   }
3.136     scop     2982:   print readableTime(time() - $date{$_}, 1), ' ago)';
3.208     scop     2983:   print ' by <i>', htmlquote($author{$_}), "</i><br />\n";
3.136     scop     2984:
                   2985:   if ($revsym{$br}) {
3.219     scop     2986:     printf "Branches: %s<br />\n",
                   2987:       $inlogview ? link_tags($revsym{$br}) : htmlquote($revsym{$br});
3.136     scop     2988:   }
                   2989:   if ($revsym{$_}) {
3.219     scop     2990:     printf "CVS tags: %s<br />\n",
                   2991:       $inlogview ? link_tags($revsym{$_}) : htmlquote($revsym{$_});
3.136     scop     2992:   }
                   2993:   if ($branchpoint{$_}) {
3.219     scop     2994:     printf "Branch point for: %s<br />\n",
                   2995:       $inlogview ? link_tags($branchpoint{$_}) : htmlquote($branchpoint{$_});
3.136     scop     2996:   }
3.120     scop     2997:
                   2998:   # Find the previous revision
3.175     scop     2999:   my $prev;
3.120     scop     3000:   my @prevrev = split (/\./, $_);
                   3001:   do {
                   3002:     if (--$prevrev[$#prevrev] <= 0) {
                   3003:
                   3004:       # If it was X.Y.Z.1, just make it X.Y
                   3005:       pop (@prevrev);
                   3006:       pop (@prevrev);
                   3007:     }
                   3008:     $prev = join (".", @prevrev);
                   3009:   } until (defined($date{$prev}) || $prev eq "");
                   3010:
                   3011:   if ($isDead) {
3.219     scop     3012:     print "<b><i>FILE REMOVED</i></b><br />\n";
                   3013:   } elsif ($inlogview) {
3.120     scop     3014:     my %diffrev = ();
                   3015:     $diffrev{$_} = 1;
                   3016:     $diffrev{""} = 1;
                   3017:     my $diff = 'Diff';
3.219     scop     3018:     my $printed = 0;
3.120     scop     3019:
                   3020:     #
                   3021:     # Offer diff to previous revision
                   3022:     if ($prev) {
                   3023:       $diffrev{$prev} = 1;
                   3024:       my $url =
3.203     scop     3025:         sprintf('%s.diff?r1=%s;r2=%s%s', $scriptwhere, $prev, $_, $barequery);
3.225     scop     3026:       if (my @dlinks = getDiffLinks($url, $mimetype, $isbin)) {
                   3027:         print $diff, ' to previous ', $prev, ': ', join(', ', @dlinks);
                   3028:         $diff = ''; $printed = 1;
                   3029:       }
3.120     scop     3030:     }
                   3031:
                   3032:     #
                   3033:     # Plus, if it's on a branch, and it's not a vendor branch,
                   3034:     # offer a diff with the branch point.
                   3035:     if ($revsym{$brp}
                   3036:       && !/^1\.1\.1\.\d+$/
                   3037:       && !defined($diffrev{$brp}))
                   3038:     {
                   3039:       my $url =
3.203     scop     3040:         sprintf('%s.diff?r1=%s;r2=%s%s', $scriptwhere, $brp, $_, $barequery);
3.225     scop     3041:       if (my @dlinks = getDiffLinks($url, $mimetype, $isbin)) {
                   3042:         print $diff, ' to branchpoint ', $brp, ': ', join(', ', @dlinks);
                   3043:         $diff = ''; $printed = 1;
                   3044:       }
3.120     scop     3045:     }
                   3046:
                   3047:     #
                   3048:     # Plus, if it's on a branch, and it's not a vendor branch,
                   3049:     # offer to diff with the next revision of the higher branch.
                   3050:     # (e.g. change gets committed and then brought
                   3051:     # over to -stable)
                   3052:     if (/^\d+\.\d+\.\d+/ && !/^1\.1\.1\.\d+$/) {
                   3053:       my ($i, $nextmain);
                   3054:
                   3055:       for ($i = 0; $i < $#revorder && $revorder[$i] ne $_; $i++) {
                   3056:       }
                   3057:       my @tmp2 = split (/\./, $_);
                   3058:       for ($nextmain = ""; $i > 0; $i--) {
                   3059:         my $next = $revorder[$i - 1];
                   3060:         my @tmp1 = split (/\./, $next);
                   3061:
                   3062:         if (@tmp1 < @tmp2) {
                   3063:           $nextmain = $next;
                   3064:           last;
                   3065:         }
                   3066:
                   3067:         # Only the highest version on a branch should have
                   3068:         # a diff for the "next main".
                   3069:         last
                   3070:           if (@tmp1 - 1 <= @tmp2
                   3071:           && join (".", @tmp1[0 .. $#tmp1 - 1]) eq
                   3072:           join (".", @tmp2[0 .. $#tmp1 - 1]));
                   3073:       }
                   3074:
                   3075:       if (!defined($diffrev{$nextmain})) {
                   3076:         $diffrev{$nextmain} = 1;
3.203     scop     3077:         my $url = sprintf('%s.diff?r1=%s;r2=%s%s',
3.120     scop     3078:           $scriptwhere, $nextmain, $_, $barequery);
3.225     scop     3079:         if (my @dlinks = getDiffLinks($url, $mimetype, $isbin)) {
                   3080:           print $diff, ' next main ', $nextmain, ': ', join(', ', @dlinks);
                   3081:           $diff = ''; $printed = 1;
                   3082:         }
3.120     scop     3083:       }
                   3084:     }
                   3085:
                   3086:     # Plus if user has selected only r1, then present a link
                   3087:     # to make a diff to that revision
                   3088:     if (defined($input{"r1"}) && !defined($diffrev{$input{"r1"}})) {
                   3089:       $diffrev{$input{"r1"}} = 1;
3.203     scop     3090:       my $url = sprintf('%s.diff?r1=%s;r2=%s%s',
3.120     scop     3091:         $scriptwhere, $input{'r1'}, $_, $barequery);
3.225     scop     3092:       if (my @dlinks = getDiffLinks($url, $mimetype, $isbin)) {
                   3093:         print $diff, ' to selected ', $input{r1}, ': ', join(', ', @dlinks);
                   3094:         $diff = ''; $printed = 1;
                   3095:       }
3.120     scop     3096:     }
                   3097:
3.219     scop     3098:     print "<br />\n" if $printed;
                   3099:   }
                   3100:
                   3101:   if ($prev ne "" && $difflines{$_}) {
                   3102:     printf "Changes since revision %s: %s lines<br />\n",
                   3103:       htmlquote($prev), htmlquote($difflines{$_});
3.120     scop     3104:   }
3.189     scop     3105:
3.219     scop     3106:   print "<pre class=\"log\">\n";
3.120     scop     3107:   print &htmlify($log{$_}, $allow_log_extra);
                   3108:   print "</pre>\n";
                   3109: }
                   3110:
3.175     scop     3111:
3.132     scop     3112: #
                   3113: # Generates the HTML view for CvsGraph.
                   3114: #
3.170     scop     3115: sub doGraphView()
3.132     scop     3116: {
                   3117:   (my $pathname = $where) =~ s|[^/]*$||;
                   3118:   (my $filename = $where) =~ s|^.*/||;
                   3119:
3.170     scop     3120:   navigateHeader($scriptwhere, $pathname, $filename, undef, 'graph');
3.132     scop     3121:
3.146     scop     3122:   my $title = 'Revision graph of ' . htmlquote($pathname . $filename);
3.132     scop     3123:   my $mapname = 'CvsGraphMap';
                   3124:
3.170     scop     3125:   printf(<<EOF, $title, $mapname, $cvstree, $title);
3.146     scop     3126: <h3 style="text-align: center">%s</h3>
3.219     scop     3127: <div style="text-align: center"><img border="0" usemap="#%s" src="?cvsroot=%s;graph=1;makeimage=1" alt="%s" />
3.146     scop     3128: EOF
3.132     scop     3129:
3.181     scop     3130:   my $qquery = hrefquote($barequery);
3.135     scop     3131:   my @graph_cmd =
                   3132:     ($CMD{cvsgraph},
                   3133:      '-r', $cvsroot,
                   3134:      '-i',
                   3135:      '-M', $mapname,
3.208     scop     3136:      '-x', 'x',
3.181     scop     3137:      "-Omap_branch_href=\"href=\\\"./?only_with_tag=%(%t%)$qquery\\\"\"",
3.219     scop     3138:      "-Omap_rev_href=\"href=\\\"?rev=%(%R%)$qquery\\\"\"",
3.146     scop     3139:      "-Omap_diff_href=\"href=\\\"%(%F%).diff" .
3.203     scop     3140:      "?r1=%(%P%);r2=%(%R%)$qquery\\\"\"",
3.135     scop     3141:      );
3.132     scop     3142:   push(@graph_cmd, '-c', $cvsgraph_config) if $cvsgraph_config;
3.174     scop     3143:   push(@graph_cmd, catfile($pathname, $filename . ',v'));
3.132     scop     3144:
3.174     scop     3145:   local *CVSGRAPH_OUT;
                   3146:   my ($h, $err) =
3.229     scop     3147:     startproc(\@graph_cmd, \"", '>pipe', \*CVSGRAPH_OUT);
3.174     scop     3148:   fatal('500 Internal Error', $err) unless $h;
                   3149:   {
                   3150:     local $/ = undef;
                   3151:     print <CVSGRAPH_OUT>;
3.132     scop     3152:   }
3.229     scop     3153:   $h->finish();
3.219     scop     3154:   print "</div>\n";
3.132     scop     3155:
                   3156:   html_footer();
                   3157: }
                   3158:
3.175     scop     3159:
3.132     scop     3160: #
                   3161: # Generates a graph using CvsGraph.
                   3162: #
3.170     scop     3163: sub doGraph()
3.132     scop     3164: {
                   3165:   (my $pathname = $where) =~ s|[^/]*$||;
                   3166:   (my $filename = $where) =~ s|^.*/||;
                   3167:
                   3168:   http_header('image/png');
                   3169:
                   3170:   my @graph_cmd = ($CMD{cvsgraph}, '-r', $cvsroot);
                   3171:   push(@graph_cmd, '-c', $cvsgraph_config) if $cvsgraph_config;
3.174     scop     3172:   push(@graph_cmd, catfile($pathname, $filename . ',v'));
3.132     scop     3173:
3.174     scop     3174:   local *CVSGRAPH_OUT;
                   3175:   my ($h, $err) =
3.229     scop     3176:     startproc(\@graph_cmd, \"", '>pipe', \*CVSGRAPH_OUT);
3.174     scop     3177:   fatal('500 Internal Error', $err) unless $h;
3.132     scop     3178:   {
                   3179:     local $/ = undef;
                   3180:     binmode(\*STDOUT);
3.174     scop     3181:     print <CVSGRAPH_OUT>;
3.132     scop     3182:   }
3.229     scop     3183:   $h->finish();
3.132     scop     3184: }
                   3185:
                   3186:
3.120     scop     3187: sub doLog($)
                   3188: {
                   3189:   my ($fullname) = @_;
                   3190:
3.217     scop     3191:   my $curbranch = readLog($fullname);
3.120     scop     3192:
                   3193:   html_header("CVS log for $where");
3.144     scop     3194:
                   3195:   (my $upwhere  = $where) =~ s|(Attic/)?[^/]+$||;
                   3196:   (my $filename = $where) =~ s|^.*/||;
                   3197:   my $backurl = $scriptname . "/" . urlencode($upwhere) . $query;
                   3198:
3.219     scop     3199:   my $isbin = $keywordsubstitution =~ /b/;
                   3200:   my $mimetype = getMimeType($filename, $isbin);
                   3201:
3.120     scop     3202:   print "<p>\n ";
                   3203:   print &link($backicon, "$backurl#$filename"), " <b>Up to ",
                   3204:     &clickablePath($upwhere, 1), "</b>\n</p>\n";
                   3205:   print "<p>\n ";
                   3206:   print &link('Request diff between arbitrary revisions', '#diff');
3.132     scop     3207:   if ($allow_cvsgraph) {
3.219     scop     3208:     print ' - ', &graph_link('', 'Display revisions graphically');
3.132     scop     3209:   }
3.208     scop     3210:   print "\n</p>\n<hr />\n";
3.120     scop     3211:
                   3212:   print "<p>\n";
3.152     scop     3213:
3.219     scop     3214:   my $explain = $isbin ? ' (i.e.: CVS considers this a binary file)' : '';
3.208     scop     3215:   print "Keyword substitution: $keywordsubstitution$explain<br />\n";
3.217     scop     3216:   if ($curbranch) {
                   3217:     print "Default branch: ", ($revsym{$curbranch} || $curbranch);
                   3218:   } else {
                   3219:     print "No default branch";
                   3220:   }
3.208     scop     3221:   print "<br />\n";
3.120     scop     3222:
3.208     scop     3223:   print 'Current tag: ', htmlquote($input{only_with_tag}), "<br />\n"
3.153     scop     3224:     if $input{only_with_tag};
3.120     scop     3225:   print "</p>\n";
                   3226:
                   3227:   undef %nameprinted;
                   3228:
3.182     scop     3229:   for my $r (@revdisplayorder) {
3.208     scop     3230:     print "<hr />\n";
3.182     scop     3231:     my $sel = (defined($input{r1}) && $input{r1} eq $r);
                   3232:     print "<div class=\"diff-selected\">\n" if $sel;
3.219     scop     3233:     printLog($r, $mimetype, $isbin, 1, $sel);
3.182     scop     3234:     print "</div>\n" if $sel;
3.120     scop     3235:   }
                   3236:
3.144     scop     3237:   printf(<<EOF, $scriptwhere);
3.208     scop     3238: <hr />
                   3239: <form method="get" action="%s.diff" id="diff_select">
3.189     scop     3240: <fieldset>
                   3241: <legend>Diff request</legend>
3.144     scop     3242: <p>
                   3243:  <a name="diff">
3.189     scop     3244:   This form allows you to request diffs between any two revisions of a file.
3.144     scop     3245:   You may select a symbolic revision name using the selection box or you may
                   3246:   type in a numeric name using the type-in text box.
                   3247:  </a>
                   3248: </p>
                   3249: EOF
3.120     scop     3250:
                   3251:   foreach (@stickyvars) {
3.208     scop     3252:     printf("<input type=\"hidden\" name=\"%s\" value=\"%s\" />\n",
3.154     scop     3253:            $_, htmlquote($input{$_}))
3.194     scop     3254:       if (defined($input{$_}) &&
                   3255:           (!defined($DEFAULTVALUE{$_}) || $input{$_} ne $DEFAULTVALUE{$_}));
3.120     scop     3256:   }
3.144     scop     3257:
                   3258:   print <<EOF;
3.189     scop     3259: <table summary="Diff between arbitrary revisions">
3.144     scop     3260: <tr>
3.189     scop     3261: <td class="opt-label">
                   3262: <label for="r1" accesskey="1">Diffs between</label>
                   3263: </td>
                   3264: <td class="opt-value">
3.144     scop     3265: <select id="r1" name="r1">
3.208     scop     3266: <option value="text" selected="selected">Use Text Field</option>
3.144     scop     3267: EOF
                   3268:   print $sel, "</select>\n";
                   3269:
                   3270:   my $diffrev = defined($input{r1}) ?
                   3271:     $input{r1} : $revdisplayorder[$#revdisplayorder];
                   3272:
                   3273:   printf(<<EOF, $inputTextSize, $diffrev);
3.208     scop     3274: <input type="text" size="%s" name="tr1" value="%s" onchange="this.form.r1.selectedIndex=0" />
3.144     scop     3275: </td>
3.189     scop     3276: <td></td>
                   3277: </tr>
                   3278: <tr>
                   3279: <td class="opt-label">
                   3280: <label for="r2" accesskey="2">and</label>
                   3281: </td>
                   3282: <td class="opt-value">
3.144     scop     3283: <select id="r2" name="r2">
3.208     scop     3284: <option value="text" selected="selected">Use Text Field</option>
3.144     scop     3285: EOF
                   3286:   print $sel, "</select>\n";
                   3287:
                   3288:   $diffrev = defined($input{r2}) ? $input{r2} : $revdisplayorder[0];
                   3289:
                   3290:   printf(<<EOF, $inputTextSize, $diffrev, $scriptwhere);
3.208     scop     3291: <input type="text" size="%s" name="tr2" value="%s" onchange="this.form.r2.selectedIndex=0" />
3.144     scop     3292: </td>
3.208     scop     3293: <td><input type="submit" value="Get Diffs" accesskey="G" /></td>
3.144     scop     3294: </tr>
                   3295: </table>
3.189     scop     3296: </fieldset>
3.144     scop     3297: </form>
                   3298: <form method="get" action="%s">
3.189     scop     3299: <fieldset>
                   3300: <legend>Log view options</legend>
                   3301: <table summary="Log view options">
3.144     scop     3302: <tr>
3.189     scop     3303: <td class="opt-label">
                   3304: <label for="f" accesskey="D">Preferred diff type:</label>
                   3305: </td>
                   3306: <td class="opt-value">
3.144     scop     3307: EOF
3.120     scop     3308:   printDiffSelect($use_java_script);
3.144     scop     3309:   print <<EOF;
3.189     scop     3310: </td>
                   3311: <td></td>
3.144     scop     3312: </tr>
                   3313: EOF
3.120     scop     3314:
                   3315:   if (@branchnames) {
3.144     scop     3316:
                   3317:     printf(<<EOF, $use_java_script ? ' onchange="this.form.submit()"' : '');
                   3318: <tr>
3.189     scop     3319: <td class="opt-label">
3.188     scop     3320: <label for="only_with_tag" accesskey="B">View only branch:</label>
3.189     scop     3321: </td>
                   3322: <td class="opt-value">
                   3323: <a name="branch">
3.144     scop     3324: <select id="only_with_tag" name="only_with_tag"%s>
                   3325: EOF
3.120     scop     3326:
3.193     scop     3327:     my @tmp = ();
                   3328:     my $selfound = 0;
3.120     scop     3329:     foreach (reverse sort @branchnames) {
3.136     scop     3330:       my $selected =
                   3331:         (defined($input{"only_with_tag"}) && $input{"only_with_tag"} eq $_);
3.193     scop     3332:       $selfound ||= $selected;
                   3333:       push(@tmp, sprintf('<option%s>%s</option>',
3.208     scop     3334:                          $selected ? ' selected="selected"' : '',
3.193     scop     3335:                          htmlquote($_)));
3.120     scop     3336:     }
3.193     scop     3337:     printf("<option value=\"\"%s>Show all branches</option>\n",
3.208     scop     3338:            $selfound ? '' : ' selected="selected"');
3.193     scop     3339:     print join("\n", @tmp);
                   3340:
3.144     scop     3341:     print <<EOF
                   3342: </select>
3.189     scop     3343: </a>
3.144     scop     3344: </td>
                   3345: <td></td>
                   3346: </tr>
                   3347: EOF
3.120     scop     3348:   }
                   3349:
3.144     scop     3350:   print <<EOF;
3.189     scop     3351: <tr>
                   3352: <td class="opt-label">
                   3353: <label for="logsort" accesskey="L">Sort log by:</label>
                   3354: </td>
                   3355: <td>
3.144     scop     3356: EOF
3.120     scop     3357:   printLogSortSelect($use_java_script);
3.144     scop     3358:   print <<EOF;
3.189     scop     3359: </td>
3.208     scop     3360: <td><input type="submit" value="Set" accesskey="S" /></td>
3.189     scop     3361: </tr>
3.144     scop     3362: </table>
                   3363: EOF
3.154     scop     3364:   foreach (@stickyvars) {
                   3365:     next if ($_ eq "f");
                   3366:     next if ($_ eq "only_with_tag");
                   3367:     next if ($_ eq "logsort");
3.208     scop     3368:     printf("<input type=\"hidden\" name=\"$_\" value=\"%s\" />\n",
3.154     scop     3369:            htmlquote($input{$_}))
                   3370:       if (defined($input{$_})
3.194     scop     3371:           && (!defined($DEFAULTVALUE{$_}) || $input{$_} ne $DEFAULTVALUE{$_}));
3.154     scop     3372:   }
3.189     scop     3373:   print "</fieldset>\n</form>\n";
3.120     scop     3374:   html_footer();
                   3375: }
                   3376:
3.175     scop     3377:
3.120     scop     3378: sub flush_diff_rows($$$$)
                   3379: {
                   3380:   my ($leftColRef, $rightColRef, $leftRow, $rightRow) = @_;
                   3381:
3.175     scop     3382:   return unless defined($state);
3.120     scop     3383:
                   3384:   if ($state eq "PreChangeRemove") {    # we just got remove-lines before
3.133     scop     3385:     for (my $j = 0; $j < $leftRow; $j++) {
3.144     scop     3386:       printf(<<EOF, scalar(@$leftColRef[$j]));
                   3387: <tr>
                   3388:  <td class="diff-removed">&nbsp;%s</td>
                   3389:  <td class="diff-empty">&nbsp;</td>
                   3390: </tr>
                   3391: EOF
3.120     scop     3392:     }
                   3393:   } elsif ($state eq "PreChange") {     # state eq "PreChange"
                   3394:                                         # we got removes with subsequent adds
3.222     scop     3395:     if (HAS_EDIFF) {
3.176     scop     3396:       # construct the suffix tree
                   3397:       my $left_diff = join("\n", @$leftColRef[0..$leftRow-1]);
                   3398:       my $right_diff = join("\n", @$rightColRef[0..$rightRow-1]);
                   3399:       my $diff_str = String::Ediff::ediff($left_diff, $right_diff);
                   3400:
                   3401:       my @diff_str = split(/ /, $diff_str);
                   3402:       my $INFINITY = 10000000;
                   3403:       push(@diff_str, ($INFINITY) x 8);
                   3404:       my ($idx, $b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2) =
                   3405:         (0, @diff_str[0..7]);
                   3406:       my ($l_cul, $r_cul) = (0, 0);
                   3407:       my ($ldx, $rdx) = (0, 0);
                   3408:       my (@left_html, @right_html);
                   3409:       for (my $j = 0; $j < $leftRow; $j++) {
                   3410:         my $line_len = length(@$leftColRef[$j]);
                   3411:         my $line = @$leftColRef[$j];
                   3412:         $l_cul += length($line) + 1; # includes "\n"
                   3413:         my $l_culx = $l_cul - 1; # not includes "\n"
                   3414:         if ($j < $lb1) {
                   3415:           $line = spacedHtmlText($line);
                   3416:           push(@left_html, "<td class=\"diff-changed\">$line</td>");
                   3417:         } elsif ($lb1 == $j) {
                   3418:           my $html_line;
                   3419:           while ($lb1 == $j) {
                   3420:             my $begin_char = $l_culx - $b1;
                   3421:
                   3422:             $line =~ /^(.*)(.{$begin_char})$/;
                   3423:             $html_line .= spacedHtmlText($1) .
                   3424:               '</span><span class="diff-unchanged">';
                   3425:             $line = $2;
                   3426:             last if ($j != $le1);
                   3427:
                   3428:             my $end_char = $l_culx - $e1;
                   3429:             $line =~ /^(.*)(.{$end_char})$/;
                   3430:             $html_line .= spacedHtmlText($1) .
                   3431:               '</span><span class="diff-changed">';
                   3432:             $line = $2;
                   3433:
                   3434:             $idx++;
                   3435:             my ($tb1, $te1, $tlb1, $tle1, $tb2, $te2, $tlb2, $tle2) =
                   3436:               ($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2);
                   3437:             ($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2) =
                   3438:               @diff_str[$idx*8..($idx+1)*8-1];
                   3439:             $lb1 = $INFINITY if ($lb1 < 0);
                   3440:             $lb2 = $INFINITY if ($lb2 < 0);
                   3441:             $le1 = $INFINITY if ($le1 < 0);
                   3442:             $le2 = $INFINITY if ($le2 < 0);
                   3443:             if ($te1 > $b1) {
                   3444:               ($b1, $lb1) = ($te1, $tle1);
                   3445:             }
                   3446:             if ($te2 > $b2) {
                   3447:               ($b2, $lb2) = ($te2, $tle2);
                   3448:             }
                   3449:           }
                   3450:           push(@left_html,
                   3451:                sprintf('<td><span class="%s">%s%s</span></td>',
                   3452:                        'diff-changed', $html_line, spacedHtmlText($line)));
                   3453:         } elsif ($le1 == $j) {
                   3454:           my $html_line;
                   3455:           while ($le1 == $j) {
                   3456:             my $end_char = $l_culx - $e1;
                   3457:             $line =~ /^(.*)(.{$end_char})$/;
                   3458:             $html_line .= spacedHtmlText($1) .
                   3459:               '</span><span class="diff-changed">';
                   3460:             $line = $2;
                   3461:
                   3462:             $idx++;
                   3463:             my ($tb1, $te1, $tlb1, $tle1, $tb2, $te2, $tlb2, $tle2) =
                   3464:               ($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2);
                   3465:             ($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2) =
                   3466:               @diff_str[$idx*8..($idx+1)*8-1];
                   3467:             $lb1 = $INFINITY if ($lb1 < 0);
                   3468:             $lb2 = $INFINITY if ($lb2 < 0);
                   3469:             $le1 = $INFINITY if ($le1 < 0);
                   3470:             $le2 = $INFINITY if ($le2 < 0);
                   3471:             if ($te1 > $b1) {
                   3472:               ($b1, $lb1) = ($te1, $tle1);
                   3473:             }
                   3474:             if ($te2 > $b2) {
                   3475:               ($b2, $lb2) = ($te2, $tle2);
                   3476:             }
                   3477:
                   3478:             last if ($lb1 != $j);
                   3479:
                   3480:             my $begin_char = $l_culx - $b1;
                   3481:
                   3482:             $line =~ /^(.*)(.{$begin_char})$/;
                   3483:             $html_line .= spacedHtmlText($1) .
                   3484:               '</span><span class="diff-unchanged">';
                   3485:             $line = $2;
                   3486:           }
                   3487:           push(@left_html,
                   3488:                sprintf('<td><span class="%s">%s%s</span></td>',
                   3489:                        'diff-unchanged', $html_line, spacedHtmlText($line)));
                   3490:         } else {
                   3491:           $line = spacedHtmlText($line);
                   3492:           push(@left_html, "<td class=\"diff-unchanged\">$line</td>");
                   3493:         }
                   3494:       }
                   3495:       ($idx, $b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2) =
                   3496:         (0, @diff_str[0..7]);
                   3497:       $lb1 = $INFINITY if ($lb1 < 0);
                   3498:       $lb2 = $INFINITY if ($lb2 < 0);
                   3499:       $le1 = $INFINITY if ($le1 < 0);
                   3500:       $le2 = $INFINITY if ($le2 < 0);
                   3501:       for (my $j = 0; $j < $rightRow; $j++) {
                   3502:         my $line_len = length(@$rightColRef[$j]);
                   3503:         my $line = @$rightColRef[$j];
                   3504:         $r_cul += length($line) + 1; # includes "\n"
                   3505:         my $r_culx = $r_cul - 1; # not includes "\n"
                   3506:         if ($j < $lb2) {
                   3507:           $line = spacedHtmlText($line);
                   3508:           push(@right_html, "<td class=\"diff-changed\">$line</td>");
                   3509:         } elsif ($lb2 == $j) {
                   3510:           my $html_line;
                   3511:           while ($lb2 == $j) {
                   3512:             my $begin_char = $r_culx - $b2;
                   3513:
                   3514:             $line =~ /^(.*)(.{$begin_char})$/;
                   3515:             $html_line .= spacedHtmlText($1) .
                   3516:               '</span><span class="diff-unchanged">';
                   3517:             $line = $2;
                   3518:
                   3519:             last if ($j != $le2);
                   3520:
                   3521:             my $end_char = $r_culx - $e2;
                   3522:             $line =~ /^(.*)(.{$end_char})$/;
                   3523:             $html_line .= spacedHtmlText($1) .
                   3524:               '</span><span class="diff-changed">';
                   3525:             $line = $2;
                   3526:
                   3527:             $idx++;
                   3528:             my ($tb1, $te1, $tlb1, $tle1, $tb2, $te2, $tlb2, $tle2) =
                   3529:               ($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2);
                   3530:             ($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2) =
                   3531:               @diff_str[$idx*8..($idx+1)*8-1];
                   3532:             $lb1 = $INFINITY if ($lb1 < 0);
                   3533:             $lb2 = $INFINITY if ($lb2 < 0);
                   3534:             $le1 = $INFINITY if ($le1 < 0);
                   3535:             $le2 = $INFINITY if ($le2 < 0);
                   3536:             if ($te1 > $b1) {
                   3537:               ($b1, $lb1) = ($te1, $tle1);
                   3538:             }
                   3539:             if ($te2 > $b2) {
                   3540:               ($b2, $lb2) = ($te2, $tle2);
                   3541:             }
                   3542:           }
                   3543:           push(@right_html,
                   3544:                sprintf('<td><span class="%s">%s%s</span></td>',
                   3545:                        'diff-changed', $html_line, spacedHtmlText($line)));
                   3546:         } elsif ($le2 == $j) {
                   3547:           my $html_line;
                   3548:           while ($le2 == $j) {
                   3549:             my $end_char = $r_culx - $e2;
                   3550:             $line =~ /^(.*)(.{$end_char})$/;
                   3551:             $html_line .= spacedHtmlText($1) .
                   3552:               '</span><span class="diff-changed">';
                   3553:             $line = $2;
                   3554:
                   3555:             $idx++;
                   3556:             my ($tb1, $te1, $tlb1, $tle1, $tb2, $te2, $tlb2, $tle2) =
                   3557:               ($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2);
                   3558:             ($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2) =
                   3559:               @diff_str[$idx*8..($idx+1)*8-1];
                   3560:             $lb1 = $INFINITY if ($lb1 < 0);
                   3561:             $lb2 = $INFINITY if ($lb2 < 0);
                   3562:             $le1 = $INFINITY if ($le1 < 0);
                   3563:             $le2 = $INFINITY if ($le2 < 0);
                   3564:             if ($te1 > $b1) {
                   3565:               ($b1, $lb1) = ($te1, $tle1);
                   3566:             }
                   3567:             if ($te2 > $b2) {
                   3568:               ($b2, $lb2) = ($te2, $tle2);
                   3569:             }
                   3570:
                   3571:             last if ($lb2 != $j);
                   3572:
                   3573:             my $begin_char = $r_culx - $b2;
                   3574:             $line =~ /^(.*)(.{$begin_char})$/;
                   3575:             $html_line .= spacedHtmlText($1) .
                   3576:               '</span><span class="diff-unchanged">';
                   3577:             $line = $2;
                   3578:           }
                   3579:           push(@right_html,
3.208     scop     3580:                sprintf('<td nowrap="nowrap"><span class="%s">%s%s</span></td>',
3.176     scop     3581:                        'diff-unchanged', $html_line, spacedHtmlText($line)));
                   3582:         } else {
                   3583:           $line = spacedHtmlText ($line);
                   3584:           push @right_html, "<td class=\"diff-unchanged\">$line</td>";
                   3585:         }
                   3586:       }
                   3587:       for (my $j = 0; $j < $leftRow || $j < $rightRow ; $j++) { # dump out both cols
                   3588:         print  '<tr>';
                   3589:         if ($j < $leftRow) {
                   3590:           print $left_html[$j];
                   3591:         } else {
                   3592:           print '<td class="diff-changed-missing">&nbsp;</td>';
                   3593:         }
                   3594:         if ($j < $rightRow) {
                   3595:           print $right_html[$j];
                   3596:         } else {
                   3597:           print '<td class="diff-changed-missing">&nbsp;</td>';
                   3598:         }
                   3599:         print "</tr>\n";
3.120     scop     3600:       }
3.176     scop     3601:     } else {
                   3602:       for (my $j = 0; $j < $leftRow || $j < $rightRow; $j++) { # dump both cols
                   3603:         print "<tr>\n";
                   3604:         if ($j < $leftRow) {
                   3605:           print '<td class="diff-changed">&nbsp;' .
                   3606:             spacedHtmlText(@$leftColRef[$j]) . '</td>';
                   3607:         } else {
                   3608:           print '<td class="diff-changed-missing">&nbsp;</td>';
                   3609:         }
                   3610:         print "\n";
3.120     scop     3611:
3.176     scop     3612:         if ($j < $rightRow) {
                   3613:           print '<td class="diff-changed">&nbsp;' .
                   3614:             spacedHtmlText(@$rightColRef[$j]) . '</td>';
                   3615:         } else {
                   3616:           print '<td class="diff-changed-missing">&nbsp;</td>';
                   3617:         }
                   3618:         print "\n</tr>\n";
3.120     scop     3619:       }
                   3620:     }
                   3621:   }
3.1       knu      3622: }
                   3623:
3.175     scop     3624:
3.1       knu      3625: ##
                   3626: # Function to generate Human readable diff-files
                   3627: # human_readable_diff(String revision_to_return_to);
                   3628: ##
3.144     scop     3629: sub human_readable_diff($$)
3.120     scop     3630: {
                   3631:   my ($fh, $rev) = @_;
3.144     scop     3632:
3.169     scop     3633:   (my $where_nd       = $where)       =~ s|\.diff$||;
                   3634:   (my $filename       = $where_nd)    =~ s|^.*/||;
                   3635:   (my $pathname       = $where_nd)    =~ s|(Attic/)?[^/]*$||;
                   3636:   (my $scriptwhere_nd = $scriptwhere) =~ s|\.diff$||;
3.120     scop     3637:
3.133     scop     3638:   navigateHeader($scriptwhere_nd, $pathname, $filename, $rev, 'diff');
3.120     scop     3639:
3.178     scop     3640:   # Read header to pick up read revision and date, if possible.
                   3641:
                   3642:   my ($r1d, $r1r, $r2d, $r2r);
3.120     scop     3643:   while (<$fh>) {
                   3644:     ($r1d, $r1r) = /\t(.*)\t(.*)$/ if (/^--- /);
                   3645:     ($r2d, $r2r) = /\t(.*)\t(.*)$/ if (/^\+\+\+ /);
                   3646:     last if (/^\+\+\+ /);
                   3647:   }
                   3648:
3.178     scop     3649:   my ($rev1, $date1);
3.120     scop     3650:   if (defined($r1r) && $r1r =~ /^(\d+\.)+\d+$/) {
                   3651:     $rev1  = $r1r;
                   3652:     $date1 = $r1d;
                   3653:   }
3.178     scop     3654:   my ($rev2, $date2);
3.120     scop     3655:   if (defined($r2r) && $r2r =~ /^(\d+\.)+\d+$/) {
                   3656:     $rev2  = $r2r;
                   3657:     $date2 = $r2d;
                   3658:   }
3.178     scop     3659:   $rev1  = 'unknown-left'  unless defined($rev1);
                   3660:   $rev2  = 'unknown-right' unless defined($rev2);
                   3661:   $date1 = defined($date1) ? ', ' . htmlquote($date1) : '';
                   3662:   $date2 = defined($date2) ? ', ' . htmlquote($date2) : '';
3.120     scop     3663:
3.219     scop     3664:   my $link = uri_escape($filename) . $query;
3.210     scop     3665:
3.144     scop     3666:   # Using <table style=\"border: none\" here breaks NS 4.x badly...
3.210     scop     3667:   print <<EOF;
                   3668: <h3 style="text-align: center">Diff for /$where_nd between versions $rev1 and $rev2</h3>
                   3669: <table border="0" cellspacing="0" cellpadding="0" width="100%" summary="Diff output">
3.144     scop     3670: <tr style="background-color: #ffffff">
3.210     scop     3671: <th style="text-align: center; vertical-align: top" width="50%">
                   3672: <a href="$link;rev=$rev1">version $rev1</a>$date1
3.178     scop     3673: </th>
3.210     scop     3674: <th style="text-align: center; vertical-align: top" width="50%">
                   3675: <a href="$link;rev=$rev2">version $rev2</a>$date2
3.144     scop     3676: </th>
3.178     scop     3677: </tr>
3.144     scop     3678: EOF
3.120     scop     3679:
                   3680:   # Process diff text
                   3681:   # prefetch several lines
                   3682:   my @buf = head($fh);
3.144     scop     3683:   my %d = scan_directives(@buf);
3.120     scop     3684:
3.144     scop     3685:   my $leftRow  = 0;
                   3686:   my $rightRow = 0;
                   3687:   my ($difftxt, @rightCol, @leftCol, $oldline, $newline, $funname);
3.120     scop     3688:
3.219     scop     3689:   $link .= ';content-type=text%2Fx-cvsweb-markup';
3.210     scop     3690:   $link .= ';ln=1' unless ($link =~ /\?.*\bln=1\b/);
                   3691:
3.120     scop     3692:   while (@buf || !eof($fh)) {
                   3693:     $difftxt = @buf ? shift @buf : <$fh>;
                   3694:
                   3695:     if ($difftxt =~ /^@@/) {
                   3696:       ($oldline, $newline, $funname) =
                   3697:         $difftxt =~ /@@ \-([0-9]+).*\+([0-9]+).*@@(.*)/;
                   3698:       $funname = htmlquote($funname);
                   3699:       $funname =~ s/\s/&nbsp;/go;
3.182     scop     3700:       $funname &&= "&nbsp;<span style=\"font-size: smaller\">$funname</span>";
3.210     scop     3701:       my $ol = $oldline || 1;
                   3702:       my $nl = $newline || 1;
3.144     scop     3703:
3.210     scop     3704:       print <<EOF;
3.182     scop     3705: <tr>
3.210     scop     3706: <td width="50%" class="diff-heading">
                   3707:  <b><a href="$link;rev=$rev1#l$ol">Line&nbsp;$oldline</a></b>$funname
3.182     scop     3708: </td>
3.210     scop     3709: <td width="50%" class="diff-heading">
                   3710:  <b><a href="$link;rev=$rev2#l$nl">Line&nbsp;$newline</a></b>$funname
3.144     scop     3711: </td>
3.208     scop     3712: </tr>
3.144     scop     3713: EOF
                   3714:
3.120     scop     3715:       $state    = "dump";
                   3716:       $leftRow  = 0;
                   3717:       $rightRow = 0;
                   3718:     } else {
3.224     scop     3719:       my ($diffcode, $rest) = $difftxt =~ /^([-+ ])(.*)/;
                   3720:       $diffcode = '' unless defined($diffcode);
3.176     scop     3721:       $_ = $rest;
3.120     scop     3722:
                   3723:       #########
                   3724:       # little state machine to parse unified-diff output (Hen, zeller@think.de)
                   3725:       # in order to get some nice 'ediff'-mode output
                   3726:       # states:
                   3727:       #  "dump"             - just dump the value
                   3728:       #  "PreChangeRemove"  - we began with '-' .. so this could be the start of a 'change' area or just remove
                   3729:       #  "PreChange"        - okey, we got several '-' lines and moved to '+' lines -> this is a change block
                   3730:       ##########
                   3731:
                   3732:       if ($diffcode eq '+') {
                   3733:         if ($state eq "dump")
                   3734:         {    # 'change' never begins with '+': just dump out value
3.176     scop     3735:           $_ = spacedHtmlText($rest, $d{'tabstop'});
3.144     scop     3736:           printf(<<EOF, $_);
                   3737: <tr>
                   3738:  <td class="diff-empty">&nbsp;</td>
                   3739:  <td class="diff-added">&nbsp;%s</td>
                   3740: </tr>
                   3741: EOF
3.120     scop     3742:         } else {    # we got minus before
                   3743:           $state = "PreChange";
                   3744:           $rightCol[$rightRow++] = $_;
                   3745:         }
                   3746:       } elsif ($diffcode eq '-') {
                   3747:         $state = "PreChangeRemove";
                   3748:         $leftCol[$leftRow++] = $_;
                   3749:       } else {    # empty diffcode
                   3750:         flush_diff_rows \@leftCol, \@rightCol, $leftRow, $rightRow;
3.176     scop     3751:         $_ = spacedHtmlText($rest, $d{'tabstop'});
3.147     scop     3752:         printf(<<EOF, $_, $_);
3.144     scop     3753: <tr>
                   3754:  <td class="diff-same">&nbsp;%s</td>
                   3755:  <td class="diff-same">&nbsp;%s</td>
                   3756: </tr>
                   3757: EOF
3.120     scop     3758:         $state    = "dump";
                   3759:         $leftRow  = 0;
                   3760:         $rightRow = 0;
                   3761:       }
                   3762:     }
                   3763:   }
                   3764:   close($fh);
                   3765:
                   3766:   flush_diff_rows \@leftCol, \@rightCol, $leftRow, $rightRow;
                   3767:
                   3768:   # state is empty if we didn't have any change
                   3769:   if (!$state) {
3.144     scop     3770:     print <<EOF;
                   3771: <tr>
                   3772:  <td colspan="2">&nbsp;</td>
                   3773: </tr>
                   3774: <tr class="diff-empty">
                   3775:  <td colspan="2" align="center"><b>- No viewable change -</b></td>
                   3776: </tr>
                   3777: EOF
3.120     scop     3778:   }
                   3779:
3.182     scop     3780:   printf(<<EOF, $scriptwhere);
3.144     scop     3781: </table>
3.208     scop     3782: <hr style="width: 100%%" />
3.144     scop     3783: <form method="get" action="%s">
3.182     scop     3784: <div style="float: left">
3.208     scop     3785: <label for="f">Diff format:<br />
3.144     scop     3786: EOF
3.168     scop     3787:   printDiffSelectStickyVars();
3.120     scop     3788:   printDiffSelect($use_java_script);
3.182     scop     3789:   printf(<<EOF, $rev1, $rev2);
3.179     scop     3790: </label>
3.208     scop     3791: <input type="submit" value="Show" />
3.182     scop     3792: </div>
                   3793: <table style="float: right; border: thin outset" cellspacing="0" cellpadding="1" title="Legend" summary="Legend">
                   3794:  <tr>
                   3795:   <td align="center" class="diff-removed">Removed from v.%s</td>
                   3796:   <td class="diff-empty">&nbsp;</td>
                   3797:  </tr><tr class="diff-changed">
                   3798:   <td align="center" colspan="2">changed lines</td>
                   3799:  </tr><tr>
                   3800:   <td class="diff-empty">&nbsp;</td>
                   3801:   <td align="center" class="diff-added">Added in v.%s</td>
                   3802:  </tr>
3.144     scop     3803: </table>
                   3804: </form>
3.208     scop     3805: <br clear="all" />
3.144     scop     3806: EOF
3.120     scop     3807: }
3.167     scop     3808:
                   3809:
                   3810: sub doEnscript($$$)
                   3811: {
                   3812:   my ($filehandle, $highlight, $linenumbers) = @_;
                   3813:
3.174     scop     3814:   my @cmd = ($CMD{enscript},
                   3815:              @enscript_options,
                   3816:              qw(-q --language=cvsweb -o -),
                   3817:              "--highlight=$highlight");
                   3818:
                   3819:   local *ENSCRIPT_OUT;
                   3820:   my ($h, $err) =
3.229     scop     3821:     startproc(\@cmd, $filehandle, '>pipe', \*ENSCRIPT_OUT);
3.174     scop     3822:   fatal('500 Internal Error', $err) unless $h;
                   3823:
                   3824:   # We could short-circuit and have enscript output directly to STDOUT above,
                   3825:   # but that doesn't work with mod_perl (at least some 1.99 versions).
                   3826:   if ($linenumbers) {
                   3827:     my $ln = 0;
                   3828:     while (<ENSCRIPT_OUT>) {
                   3829:       printf '<a id="l%d" class="src">%5d: </a>', (++$ln) x 2;
                   3830:       print $_;
3.167     scop     3831:     }
3.174     scop     3832:   } else {
                   3833:     local $/ = undef;
                   3834:     print <ENSCRIPT_OUT>;
3.167     scop     3835:   }
3.229     scop     3836:   $h->finish();
3.167     scop     3837: }
                   3838:
3.120     scop     3839:
3.163     scop     3840: sub navigateHeader($$$$$;$)
3.120     scop     3841: {
3.163     scop     3842:   my ($swhere, $path, $filename, $rev, $title, $moddate) = @_;
3.120     scop     3843:   $swhere = "" if ($swhere eq $scriptwhere);
                   3844:   $swhere = './' . urlencode($filename) if ($swhere eq "");
                   3845:
3.136     scop     3846:   my $qfile = htmlquote($filename);
                   3847:   my $qpath = htmlquote($path);
3.170     scop     3848:   my $trev  = $rev ? " - $rev" : '';
3.100     knu      3849:
3.163     scop     3850:   http_header('', $moddate);
3.133     scop     3851:
3.120     scop     3852:   print <<EOF;
3.100     knu      3853: $HTML_DOCTYPE
3.89      knu      3854: <html>
                   3855: <head>
3.170     scop     3856: <title>$qpath$qfile - $title$trev</title>
3.144     scop     3857: $HTML_META$CSS</head>
3.129     scop     3858: <body class="src">
3.182     scop     3859: <table class="navigate-header" width="100%">
3.184     scop     3860:  <tr>
                   3861:   <td>
3.64      knu      3862: EOF
                   3863:
3.170     scop     3864:   print &link($backicon, "$swhere$query" . ($rev ? "#rev$rev" : ''));
3.136     scop     3865:   printf '<b>Return to %s CVS log',
3.205     scop     3866:     &link($qfile, "$swhere$query" . ($rev ? "#rev$rev" : ''));
3.120     scop     3867:   print "</b> $fileicon</td>";
                   3868:
3.144     scop     3869:   printf(<<EOF, $diricon, &clickablePath($path, 1));
3.182     scop     3870:   <td style="text-align: right">%s <b>Up to %s</b></td>
3.144     scop     3871:  </tr>
                   3872: </table>
                   3873: EOF
3.120     scop     3874: }
                   3875:
3.175     scop     3876:
3.120     scop     3877: sub plural_write($$)
                   3878: {
                   3879:   my ($num, $text) = @_;
                   3880:   if ($num != 1) {
                   3881:     $text .= "s";
                   3882:   }
                   3883:
                   3884:   if ($num > 0) {
                   3885:     return join (' ', $num, $text);
                   3886:   } else {
                   3887:     return "";
                   3888:   }
3.1       knu      3889: }
                   3890:
3.175     scop     3891:
3.1       knu      3892: ##
                   3893: # print readable timestamp in terms of
                   3894: # '..time ago'
                   3895: # H. Zeller <zeller@think.de>
                   3896: ##
3.120     scop     3897: sub readableTime($$)
                   3898: {
                   3899:   my ($secs, $long) = @_;
                   3900:
3.175     scop     3901:   # This function works correctly for time >= 2 seconds.
                   3902:   return 'very little time' if ($secs < 2);
3.120     scop     3903:
                   3904:   my %desc = (
3.133     scop     3905:               1        => 'second',
                   3906:               60       => 'minute',
                   3907:               3600     => 'hour',
                   3908:               86400    => 'day',
                   3909:               604800   => 'week',
                   3910:               2628000  => 'month',
                   3911:               31536000 => 'year'
                   3912:              );
                   3913:
3.120     scop     3914:   my @breaks = sort { $a <=> $b } keys %desc;
3.133     scop     3915:   my $i = 0;
3.120     scop     3916:
                   3917:   while ($i <= $#breaks && $secs >= 2 * $breaks[$i]) {
                   3918:     $i++;
                   3919:   }
                   3920:   $i--;
3.133     scop     3921:   my $break  = $breaks[$i];
                   3922:   my $retval = plural_write(int($secs / $break), $desc{$break});
3.120     scop     3923:
                   3924:   if ($long == 1 && $i > 0) {
                   3925:     my $rest = $secs % $break;
                   3926:     $i--;
                   3927:     $break = $breaks[$i];
                   3928:     my $resttime = plural_write(int($rest / $break), $desc{$break});
                   3929:     if ($resttime) {
                   3930:       $retval .= ", $resttime";
                   3931:     }
                   3932:   }
3.1       knu      3933:
3.120     scop     3934:   return $retval;
3.1       knu      3935: }
                   3936:
3.175     scop     3937:
3.1       knu      3938: ##
                   3939: # clickablePath(String pathname, boolean last_item_clickable)
                   3940: #
                   3941: # returns a html-ified path whereas each directory is a link for
                   3942: # faster navigation. last_item_clickable controls whether the
                   3943: # basename (last directory/file) is a link as well
                   3944: ##
3.120     scop     3945: sub clickablePath($$)
                   3946: {
                   3947:   my ($pathname, $clickLast) = @_;
                   3948:
3.154     scop     3949:   my $root = '[' . htmlquote($CVSROOTdescr{$cvstree} || $cvstree) . ']';
                   3950:
3.144     scop     3951:   # This should never happen (see chooseCVSRoot()), but let's be sure...
3.154     scop     3952:   return $root if ($pathname eq '/');
3.120     scop     3953:
3.144     scop     3954:   my $retval =
3.154     scop     3955:     ' ' . &link($root, sprintf('%s/%s#dirlist', $scriptname, $query));
3.144     scop     3956:   my $wherepath = '';
                   3957:   my ($lastslash) = $pathname =~ m|/$|;
                   3958:
                   3959:   foreach (split (/\//, $pathname)) {
                   3960:     $retval .= ' / ';
                   3961:     $wherepath .= "/$_";
                   3962:     my $last = "$wherepath/" eq "/$pathname" || $wherepath eq "/$pathname";
                   3963:
                   3964:     if ($clickLast || !$last) {
                   3965:       $retval .= &link(htmlquote($_),
                   3966:                        join ('',
                   3967:                              $scriptname, urlencode($wherepath),
                   3968:                              (!$last || $lastslash ? '/' : ''), $query,
                   3969:                              (!$last || $lastslash ? "#dirlist" : "")));
                   3970:     } else {    # do not make a link to the current dir
                   3971:       $retval .= htmlquote($_);
3.120     scop     3972:     }
                   3973:   }
                   3974:   return $retval;
                   3975: }
                   3976:
3.144     scop     3977:
3.120     scop     3978: sub chooseCVSRoot()
                   3979: {
3.208     scop     3980:   print "<form method=\"get\" action=\"${scriptwhere}\">\n<p>\n";
3.120     scop     3981:   if (2 <= @CVSROOT) {
3.133     scop     3982:     foreach my $k (keys %input) {
3.208     scop     3983:       printf("<input type=\"hidden\" name=\"%s\" value=\"%s\" />\n",
3.154     scop     3984:              htmlquote($k), htmlquote($input{$k}))
                   3985:         if ($input{$k} && $k ne 'cvsroot');
3.120     scop     3986:     }
                   3987:
3.144     scop     3988:     printf(<<EOF, $use_java_script ? ' onchange="this.form.submit()"' : '');
3.208     scop     3989: <label for="cvsroot" accesskey="C">CVS Root:
3.144     scop     3990: <select id="cvsroot" name="cvsroot"%s>
                   3991: EOF
3.120     scop     3992:
3.133     scop     3993:     foreach my $k (@CVSROOT) {
3.136     scop     3994:       printf("<option value=\"%s\"%s>%s</option>\n",
                   3995:              htmlquote($k),
3.208     scop     3996:              ($k eq $cvstree) ? ' selected="selected"' : '',
3.136     scop     3997:              htmlquote($CVSROOTdescr{$k} || $k));
3.120     scop     3998:     }
3.208     scop     3999:     print '</select></label>';
3.120     scop     4000:   } else {
                   4001:
                   4002:     # no choice -- but we need the form to select module/path,
                   4003:     # at least for Netscape
3.208     scop     4004:     printf "CVS Root: <b>[%s]</b>",
3.154     scop     4005:       htmlquote($CVSROOTdescr{$cvstree} || $cvstree);
3.120     scop     4006:   }
                   4007:
3.144     scop     4008:   print <<EOF;
                   4009: <label for="mpath" accesskey="M">
                   4010: Module path or alias:
3.208     scop     4011: <input type="text" id="mpath" name="path" value="" size="15" />
3.144     scop     4012: </label>
3.208     scop     4013: <input type="submit" value="Go" accesskey="O" />
                   4014: </p>
                   4015: </form>
3.144     scop     4016: EOF
3.120     scop     4017: }
                   4018:
3.175     scop     4019:
3.120     scop     4020: sub chooseMirror()
                   4021: {
                   4022:   # This code comes from the original BSD-cvsweb
                   4023:   # and may not be useful for your site; If you don't
                   4024:   # set %MIRRORS this won't show up, anyway.
                   4025:   scalar(%MIRRORS) or return;
                   4026:
                   4027:   # Should perhaps exclude the current site somehow...
                   4028:   print "\n<p>\nThis CVSweb is mirrored in\n";
                   4029:
                   4030:   my @tmp = map(&link(htmlquote($_), $MIRRORS{$_}), sort keys %MIRRORS);
                   4031:   my $tmp = pop (@tmp);
                   4032:
                   4033:   if (scalar(@tmp)) {
                   4034:     print join (', ', @tmp), ' and ';
                   4035:   }
                   4036:
                   4037:   print "$tmp.\n</p>\n";
                   4038: }
                   4039:
3.175     scop     4040:
3.120     scop     4041: sub fileSortCmp()
                   4042: {
3.175     scop     4043:   (my $af = $a) =~ s/,v$//;
                   4044:   (my $bf = $b) =~ s/,v$//;
3.120     scop     4045:   my ($rev1, $date1, $log1, $author1, $filename1) = @{$fileinfo{$af}}
                   4046:     if (defined($fileinfo{$af}));
                   4047:   my ($rev2, $date2, $log2, $author2, $filename2) = @{$fileinfo{$bf}}
                   4048:     if (defined($fileinfo{$bf}));
                   4049:
3.175     scop     4050:   my $comp = 0;
3.140     scop     4051:   if (defined($filename1) && defined($filename2) &&
                   4052:       $af eq $filename1   && $bf eq $filename2)
3.120     scop     4053:   {
                   4054:
                   4055:     # Two files
3.140     scop     4056:     $comp = -revcmp($rev1, $rev2)             if ($byrev  && $rev1  && $rev2);
                   4057:     $comp = ($date2   <=> $date1)             if ($bydate && $date1 && $date2);
                   4058:     if ($input{ignorecase}) {
                   4059:       $comp = (uc($log1)    cmp uc($log2))    if ($bylog && $log1 && $log2);
                   4060:       $comp = (uc($author1) cmp uc($author2)) if ($byauthor &&
                   4061:                                                   $author1 && $author2);
                   4062:     } else {
                   4063:       $comp = ($log1    cmp $log2)            if ($bylog && $log1 && $log2);
                   4064:       $comp = ($author1 cmp $author2)         if ($byauthor &&
                   4065:                                                   $author1 && $author2);
                   4066:     }
3.120     scop     4067:   }
                   4068:
                   4069:   if ($comp == 0) {
                   4070:
                   4071:     # Directories first, then files under version control,
                   4072:     # then other, "rogue" files.
                   4073:     # Sort by filename if no other criteria available.
                   4074:
                   4075:     my $ad = (
                   4076:       (-d "$fullname/$a")
                   4077:       ? 'D'
                   4078:       : (defined($fileinfo{$af}) ? 'F' : 'R')
                   4079:     );
                   4080:     my $bd = (
                   4081:       (-d "$fullname/$b")
                   4082:       ? 'D'
                   4083:       : (defined($fileinfo{$bf}) ? 'F' : 'R')
                   4084:     );
3.175     scop     4085:     (my $c = $a) =~ s|.*/||;
                   4086:     (my $d = $b) =~ s|.*/||;
3.144     scop     4087:
                   4088:     my ($l, $r) = ("$ad$c", "$bd$d");
                   4089:     $comp = $input{ignorecase} ? (uc($l) cmp uc($r)) : ($l cmp $r);
                   4090:
                   4091:     # Parent dir is always first, then Attic.
                   4092:     if ($comp != 0) {
                   4093:       if ($l eq 'D..') {
3.149     scop     4094:         $comp = -1;
3.144     scop     4095:       } elsif ($r eq 'D..') {
3.149     scop     4096:         $comp = 1;
3.144     scop     4097:       } elsif ($l eq 'DAttic') {
3.149     scop     4098:         $comp = -1;
3.144     scop     4099:       } elsif ($r eq 'DAttic') {
3.149     scop     4100:         $comp = 1;
3.144     scop     4101:       }
                   4102:     }
3.120     scop     4103:   }
                   4104:   return $comp;
3.1       knu      4105: }
                   4106:
3.220     scop     4107: #
                   4108: # Returns a URL to download the selected revision.
                   4109: #
3.120     scop     4110: sub download_url($$;$)
                   4111: {
                   4112:   my ($url, $revision, $mimetype) = @_;
                   4113:   $revision =~ s/\b0\.//;
3.1       knu      4114:
3.222     scop     4115:   if (!defined($mimetype) || $mimetype !~ CVSWEBMARKUP) {
3.120     scop     4116:     my $path = $where;
                   4117:     $path =~ s|[^/]+$||;
3.222     scop     4118:     $url = "$scriptname/$CheckoutMagic/${path}$url";
3.120     scop     4119:   }
3.219     scop     4120:   $url .= '?rev=' . uri_escape($revision);
                   4121:   $url .= ';content-type=' . uri_escape($mimetype) if $mimetype;
3.67      knu      4122:
3.175     scop     4123:   return $url;
3.1       knu      4124: }
                   4125:
3.175     scop     4126: #
3.220     scop     4127: # Returns a link to download the selected revision.
3.175     scop     4128: #
3.120     scop     4129: sub download_link($$$;$)
                   4130: {
                   4131:   my ($url, $revision, $textlink, $mimetype) = @_;
3.175     scop     4132:   my $fullurl = download_url($url, $revision, $mimetype);
3.220     scop     4133:   return sprintf('<a href="%s" class="download-link">%s</a>',
                   4134:                  hrefquote("$fullurl$barequery"), htmlquote($textlink));
3.218     scop     4135: }
3.120     scop     4136:
3.219     scop     4137: #
                   4138: # Returns a URL to display the selected revision.
                   4139: #
                   4140: sub display_url($$;$)
                   4141: {
                   4142:   my ($url, $revision, $mimetype) = @_;
                   4143:   $url .= '?rev=' . uri_escape($revision);
                   4144:   $url .= ';content-type=' . uri_escape($mimetype) if $mimetype;
                   4145:   return $url;
                   4146: }
                   4147:
                   4148: #
                   4149: # Returns a link to display the selected revision.
                   4150: #
                   4151: sub display_link($$;$$)
                   4152: {
                   4153:   my ($url, $revision, $textlink, $mtype) = @_;
                   4154:   $textlink = $revision unless defined($textlink);
                   4155:   return sprintf('<a href="%s" class="display-link">%s</a>',
                   4156:                  hrefquote(display_url($url, $revision, $mtype) . $barequery),
                   4157:                  htmlquote($textlink));
                   4158: }
3.132     scop     4159:
3.170     scop     4160: sub graph_link($;$)
3.132     scop     4161: {
3.170     scop     4162:   my ($url, $text) = @_;
3.132     scop     4163:   $text ||= $graphicon;
3.170     scop     4164:   return sprintf('<a href="%s?graph=1%s">%s</a>',
                   4165:                  hrefquote($url), hrefquote($barequery), $text);
3.1       knu      4166: }
                   4167:
                   4168: # Returns a Query string with the
                   4169: # specified parameter toggled
3.140     scop     4170: sub toggleQuery($;$)
3.120     scop     4171: {
                   4172:   my ($toggle, $value) = @_;
3.133     scop     4173:
                   4174:   my %vars = %input;
3.120     scop     4175:
                   4176:   if (defined($value)) {
                   4177:     $vars{$toggle} = $value;
                   4178:   } else {
                   4179:     $vars{$toggle} = $vars{$toggle} ? 0 : 1;
                   4180:   }
                   4181:
                   4182:   # Build a new query of non-default paramenters
3.133     scop     4183:   my $newquery = "";
                   4184:   foreach my $var (@stickyvars) {
3.120     scop     4185:     my ($value)   = defined($vars{$var})         ? $vars{$var}         : "";
                   4186:     my ($default) = defined($DEFAULTVALUE{$var}) ? $DEFAULTVALUE{$var} : "";
                   4187:
                   4188:     if ($value ne $default) {
3.203     scop     4189:       $newquery .= ';' if ($newquery ne "");
3.206     scop     4190:       $newquery .= uri_escape($var) . '=' . uri_escape($value);
3.120     scop     4191:     }
                   4192:   }
                   4193:
                   4194:   if ($newquery) {
                   4195:     return '?' . $newquery;
                   4196:   }
                   4197:   return "";
                   4198: }
                   4199:
                   4200: sub urlencode($)
                   4201: {
                   4202:   local ($_) = @_;
                   4203:   s/[\000-+{-\377]/sprintf("%%%02x", ord($&))/ge;
3.175     scop     4204:   return $_;
3.120     scop     4205: }
                   4206:
                   4207: sub htmlquote($)
                   4208: {
                   4209:   local ($_) = @_;
                   4210:   # Special Characters; RFC 1866
                   4211:   s/&/&amp;/g;
                   4212:   s/\"/&quot;/g;
                   4213:   s/</&lt;/g;
                   4214:   s/>/&gt;/g;
3.175     scop     4215:   return $_;
3.120     scop     4216: }
                   4217:
                   4218: sub htmlunquote($)
                   4219: {
                   4220:   local ($_) = @_;
                   4221:   # Special Characters; RFC 1866
                   4222:   s/&quot;/\"/g;
                   4223:   s/&lt;/</g;
                   4224:   s/&gt;/>/g;
                   4225:   s/&amp;/&/g;
3.175     scop     4226:   return $_;
3.120     scop     4227: }
                   4228:
                   4229: sub hrefquote($)
                   4230: {
                   4231:   local ($_) = @_;
                   4232:
                   4233:   y/ /+/;
                   4234:
                   4235:   htmlquote($_);
                   4236: }
                   4237:
3.163     scop     4238: sub http_header(;$$)
3.120     scop     4239: {
3.163     scop     4240:   my ($content_type, $moddate) = @_;
                   4241:   $content_type ||= 'text/html';
3.120     scop     4242:
                   4243:   $content_type .= "; charset=$charset"
3.163     scop     4244:     if ($charset && $content_type =~ m,^text/,);
3.120     scop     4245:
3.185     scop     4246:   # Note that in the following, we explicitly join() and concatenate the
                   4247:   # headers instead of printing them as an array.  This is because some
                   4248:   # systems, eg. early versions of mod_perl 2 don't quite get it if the
                   4249:   # last \r\n\r\n isn't included in the last "payload" header print().
                   4250:
                   4251:   my @headers = ();
                   4252:   # TODO: ctime(3) from scalar gmtime() isn't HTTP compliant, see HTTP::Date.
                   4253:   push(@headers, 'Last-Modified: ' . scalar gmtime($moddate) . ' GMT')
                   4254:     if $moddate;
                   4255:   push(@headers, 'Content-Type: ' . $content_type);
3.120     scop     4256:
                   4257:   if ($allow_compress && $maycompress) {
3.222     scop     4258:     if (HAS_ZLIB
3.120     scop     4259:         || (defined($CMD{gzip}) && open(GZIP, "| $CMD{gzip} -1 -c")))
                   4260:     {
                   4261:
3.185     scop     4262:       push(@headers, 'Content-Encoding: x-gzip');
                   4263:       push(@headers, 'Vary: Accept-Encoding');     # RFC 2616, 14.44
                   4264:       print join("\r\n", @headers) . "\r\n\r\n";
                   4265:
3.120     scop     4266:       $| = 1;
3.185     scop     4267:       $| = 0;                                      # Flush header output.
3.120     scop     4268:
3.222     scop     4269:       tie(*GZIP, __PACKAGE__, \*STDOUT) if HAS_ZLIB;
3.120     scop     4270:       select(GZIP);
                   4271:       $gzip_open = 1;
                   4272:
                   4273:     } else {
3.185     scop     4274:
                   4275:       print join("\r\n", @headers) . "\r\n\r\n";
3.230     scop     4276:       printf
                   4277:         '<span style="font-size: smaller">Unable to find gzip binary in the <b>$command_path</b> (<code>%s</code>) to compress output</span><br />',
                   4278:           htmlquote(join(':', @command_path));
3.120     scop     4279:     }
3.185     scop     4280:
3.120     scop     4281:   } else {
3.185     scop     4282:     print join("\r\n", @headers) . "\r\n\r\n";
3.120     scop     4283:   }
                   4284: }
                   4285:
3.131     scop     4286:
3.163     scop     4287: sub html_header($;$)
3.120     scop     4288: {
3.163     scop     4289:   my ($title, $moddate) = @_;
                   4290:   $title = htmlquote($title);
3.162     scop     4291:   my $l = $logo || '';
3.163     scop     4292:   http_header('text/html', $moddate);
3.120     scop     4293:   print <<EOH;
3.100     knu      4294: $HTML_DOCTYPE
3.1       knu      4295: <html>
3.40      knu      4296: <head>
3.134     scop     4297: <title>$title</title>
3.144     scop     4298: $HTML_META$CSS</head>
3.129     scop     4299: <body>
3.182     scop     4300: $l <h1>$title</h1>
3.1       knu      4301: EOH
                   4302: }
                   4303:
3.120     scop     4304: sub html_footer()
                   4305: {
3.208     scop     4306:   print "<hr />\n<address>$address</address>\n" if $address;
3.127     scop     4307:   print "</body>\n</html>\n";
3.1       knu      4308: }
                   4309:
3.120     scop     4310: sub link_tags($)
                   4311: {
                   4312:   my ($tags) = @_;
                   4313:   my ($ret)  = "";
                   4314:   my ($fileurl, $filename);
                   4315:
                   4316:   ($filename = $where) =~ s/^.*\///;
                   4317:   $fileurl = './' . urlencode($filename);
                   4318:
                   4319:   foreach my $sym (split (", ", $tags)) {
                   4320:     $ret .= ",\n" if ($ret ne "");
3.136     scop     4321:     $ret .= &link(htmlquote($sym),
                   4322:                   $fileurl . toggleQuery('only_with_tag', $sym));
3.120     scop     4323:   }
3.219     scop     4324:   return $ret;
3.1       knu      4325: }
                   4326:
3.175     scop     4327:
3.1       knu      4328: #
3.221     scop     4329: # See if a module is listed in the config file's @HideModules list, ie. if
                   4330: # it should not be shown.  Takes a path relative to the CVS root.
3.1       knu      4331: #
3.120     scop     4332: sub forbidden_module($)
                   4333: {
                   4334:   my ($module) = @_;
3.175     scop     4335:   for my $hidden_re (@HideModules) {
                   4336:     return 1 if ($module =~ $hidden_re);
3.120     scop     4337:   }
                   4338:   return 0;
                   4339: }
                   4340:
3.175     scop     4341:
3.221     scop     4342: #
                   4343: # See if a file is listed in the config file's @ForbiddenFiles list, ie.
                   4344: # if it should not be shown.  Takes a full file system path, without
                   4345: # the trailing ",v".
                   4346: #
3.120     scop     4347: sub forbidden_file($)
                   4348: {
3.232   ! scop     4349:   my $path = canonpath(shift);
3.120     scop     4350:   $path = substr($path, length($cvsroot) + 1);
3.175     scop     4351:   for my $forbidden_re (@ForbiddenFiles) {
                   4352:     return 1 if ($path =~ $forbidden_re);
3.120     scop     4353:   }
                   4354:   return 0;
3.174     scop     4355: }
                   4356:
                   4357:
                   4358: #
                   4359: # Starts a process using IPC::Run.  All arguments are passed to
                   4360: # IPC::Run::start() as-is.  Returns an array ($harness, $error) where
                   4361: # $harness is from IPC::Run if start() succeeds, undef otherwise.  In case
3.184     scop     4362: # of an error, $error contains the error message.
3.174     scop     4363: #
3.191     scop     4364: sub startproc(@)
3.174     scop     4365: {
3.215     scop     4366:   my $h = my $err = undef;
3.174     scop     4367:   eval {
                   4368:     local $SIG{__DIE__};
3.215     scop     4369:     $h = IPC::Run::start(@_) or die("return code: $?");
3.174     scop     4370:   };
3.215     scop     4371:   if ($@) {
3.229     scop     4372:     $h->finish() if $h;
3.215     scop     4373:     $h = undef;
                   4374:     $err = "'@{$_[0]}' failed: $@";
                   4375:   }
3.174     scop     4376:   return ($h, $err);
3.215     scop     4377: }
                   4378:
                   4379: #
                   4380: # Runs a process using IPC::Run.  All arguments are passed to
                   4381: # IPC::Run::run() as-is.  Returns an array ($exitcode, $errormsg).
                   4382: #
                   4383: sub runproc(@)
                   4384: {
                   4385:   eval {
                   4386:     local $SIG{__DIE__};
                   4387:     IPC::Run::run(@_);
                   4388:   };
                   4389:   my $exitcode = $? >> 8;
                   4390:   my $errormsg  = undef;
                   4391:   if ($@) {
                   4392:     $exitcode ||= -1;
                   4393:     $errormsg = "'@{$_[0]}' failed: $@";
                   4394:   }
                   4395:   return ($exitcode, $errormsg);
3.129     scop     4396: }
                   4397:
3.225     scop     4398: #
                   4399: # Check out a file to a temporary file.
                   4400: #
                   4401: sub checkout_to_temp($$$)
                   4402: {
                   4403:   my ($cvsroot, $cvsname, $rev) = @_;
3.25      knu      4404:
3.225     scop     4405:   # Pipe given cvs file into a temporary place.
                   4406:   my ($temp_fh, $temp_fn) = tempfile('.cvsweb.XXXXXXXX', DIR => tmpdir());
                   4407:
                   4408:   my @cmd = ($CMD{cvs}, @cvs_options, '-Qd', $cvsroot,
                   4409:              'co', '-p', "-r$rev", $cvsname);
                   4410:
                   4411:   local (*DIFF_OUT);
                   4412:   my ($h, $err) = startproc(\@cmd, \"", '>pipe', \*DIFF_OUT);
                   4413:   if ($h) {
                   4414:     local $/ = undef;
                   4415:     print $temp_fh <DIFF_OUT>;
3.229     scop     4416:     $h->finish();
3.225     scop     4417:     close($temp_fh);
                   4418:   } else {
                   4419:     close($temp_fh);
                   4420:     unlink($temp_fn);
                   4421:     fatal('500 Internal Error',
                   4422:           'Checkout failure (exit status %s), output: <pre>%s</pre>',
                   4423:           $? >> 8 || -1, $err);
                   4424:   }
                   4425:
                   4426:   return $temp_fn;
                   4427: }
                   4428:
                   4429: #
3.173     scop     4430: # Close the GZIP handle, and remove the tie.
3.225     scop     4431: #
3.120     scop     4432: sub gzipclose
                   4433: {
                   4434:   if ($gzip_open) {
                   4435:     select(STDOUT);
                   4436:     close(GZIP);
                   4437:     untie *GZIP;
                   4438:     $gzip_open = 0;
                   4439:   }
3.23      knu      4440: }
                   4441:
                   4442: # implement a gzipped file handle via the Compress:Zlib compression
                   4443: # library.
                   4444:
                   4445: sub MAGIC1() { 0x1f }
                   4446: sub MAGIC2() { 0x8b }
3.80      knu      4447: sub OSCODE() { 3 }
3.23      knu      4448:
3.120     scop     4449: sub TIEHANDLE
                   4450: {
                   4451:   my ($class, $out) = @_;
                   4452:   my ($d) = Compress::Zlib::deflateInit(
                   4453:     -Level      => Compress::Zlib::Z_BEST_COMPRESSION(),
                   4454:     -WindowBits => -Compress::Zlib::MAX_WBITS()
                   4455:     )
                   4456:     or return undef;
                   4457:   my ($o) = { handle => $out,
                   4458:               dh     => $d,
                   4459:               crc    => 0,
                   4460:               len    => 0,
                   4461:             };
                   4462:   my ($header) = pack("c10",
                   4463:                       MAGIC1, MAGIC2, Compress::Zlib::Z_DEFLATED(),
                   4464:                       0, 0, 0, 0, 0, 0, OSCODE);
                   4465:   print {$o->{handle}} $header;
                   4466:   return bless($o, $class);
                   4467: }
                   4468:
                   4469: sub PRINT
                   4470: {
                   4471:   my ($o)   = shift;
3.164     scop     4472:   my ($buf) = join (defined($,) ? $, : "", @_);
3.120     scop     4473:   my ($len) = length($buf);
                   4474:   my ($compressed, $status) = $o->{dh}->deflate($buf);
                   4475:   print {$o->{handle}} $compressed if defined($compressed);
                   4476:   $o->{crc} = Compress::Zlib::crc32($buf, $o->{crc});
                   4477:   $o->{len} += $len;
                   4478:   return $len;
                   4479: }
                   4480:
                   4481: sub PRINTF
                   4482: {
                   4483:   my ($o)   = shift;
                   4484:   my ($fmt) = shift;
                   4485:   my ($buf) = sprintf($fmt, @_);
                   4486:   my ($len) = length($buf);
                   4487:   my ($compressed, $status) = $o->{dh}->deflate($buf);
                   4488:   print {$o->{handle}} $compressed if defined($compressed);
                   4489:   $o->{crc} = Compress::Zlib::crc32($buf, $o->{crc});
                   4490:   $o->{len} += $len;
                   4491:   return $len;
                   4492: }
                   4493:
                   4494: sub WRITE
                   4495: {
                   4496:   my ($o, $buf, $len, $off) = @_;
                   4497:   my ($compressed, $status) = $o->{dh}->deflate(substr($buf, 0, $len));
                   4498:   print {$o->{handle}} $compressed if defined($compressed);
                   4499:   $o->{crc} = Compress::Zlib::crc32(substr($buf, 0, $len), $o->{crc});
                   4500:   $o->{len} += $len;
                   4501:   return $len;
                   4502: }
                   4503:
                   4504: sub CLOSE
                   4505: {
                   4506:   my ($o) = @_;
                   4507:   return if !defined($o->{dh});
                   4508:   my ($buf) = $o->{dh}->flush();
                   4509:   $buf .= pack("V V", $o->{crc}, $o->{len});
                   4510:   print {$o->{handle}} $buf;
                   4511:   undef $o->{dh};
                   4512: }
                   4513:
                   4514: sub DESTROY
                   4515: {
                   4516:   my ($o) = @_;
                   4517:   CLOSE($o);
1.1       jfieber  4518: }
3.149     scop     4519:
                   4520: # Local variables:
                   4521: # indent-tabs-mode: nil
                   4522: # cperl-indent-level: 2
                   4523: # End:

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