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Annotation of cvsweb/cvsweb.cgi, Revision 4.4

3.204     scop        1: #!/usr/bin/perl -T
4.4     ! schwarze    2: # $Id: cvsweb.cgi,v 4.3 2019/11/09 09:11:55 schwarze Exp $
4.1       schwarze    3: # $knu: cvsweb.cgi,v 1.299 2010/11/13 16:37:18 simon
1.1       jfieber     4: #
3.1       knu         5: # cvsweb - a CGI interface to CVS trees.
1.1       jfieber     6: #
3.12      knu         7: # Written in their spare time by
3.113     scop        8: #             Bill Fenner          <fenner@FreeBSD.org>   (original work)
                      9: # extended by Henner Zeller        <zeller@think.de>,
                     10: #             Henrik Nordstrom     <hno@hem.passagen.se>
                     11: #             Ken Coar             <coar@Apache.Org>
                     12: #             Dick Balaska         <dick@buckosoft.com>
                     13: #             Akinori MUSHA        <knu@FreeBSD.org>
                     14: #             Jens-Uwe Mager       <jum@helios.de>
                     15: #             Ville Skyttä         <scop@FreeBSD.org>
                     16: #             Vassilii Khachaturov <vassilii@tarunz.org>
3.1       knu        17: #
                     18: # Based on:
                     19: # * Bill Fenners cvsweb.cgi revision 1.28 available from:
3.5       knu        20: #   http://www.FreeBSD.org/cgi/cvsweb.cgi/www/en/cgi/cvsweb.cgi
1.1       jfieber    21: #
1.21      wosch      22: # Copyright (c) 1996-1998 Bill Fenner
3.1       knu        23: #           (c) 1998-1999 Henner Zeller
3.109     scop       24: #           (c) 1999      Henrik Nordstrom
                     25: #           (c) 2000-2002 Akinori MUSHA
3.289     scop       26: #           (c) 2002-2005 Ville Skyttä
1.21      wosch      27: # All rights reserved.
                     28: #
                     29: # Redistribution and use in source and binary forms, with or without
                     30: # modification, are permitted provided that the following conditions
                     31: # are met:
                     32: # 1. Redistributions of source code must retain the above copyright
                     33: #    notice, this list of conditions and the following disclaimer.
                     34: # 2. Redistributions in binary form must reproduce the above copyright
                     35: #    notice, this list of conditions and the following disclaimer in the
                     36: #    documentation and/or other materials provided with the distribution.
                     37: #
                     38: # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
                     39: # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     40: # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     41: # ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
                     42: # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     43: # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     44: # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     45: # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     46: # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     47: # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     48: # SUCH DAMAGE.
3.1       knu        49:
3.204     scop       50: require 5.006;
3.55      knu        51:
3.1       knu        52: use strict;
1.21      wosch      53:
3.204     scop       54: use warnings;
                     55: use filetest qw(access);
                     56:
3.1       knu        57: use vars qw (
3.273     scop       58:   $VERSION $CheckoutMagic $MimeTypes $DEBUG
3.144     scop       59:   $config $allow_version_select
3.120     scop       60:   @CVSrepositories @CVSROOT %CVSROOT %CVSROOTdescr
                     61:   %MIRRORS %DEFAULTVALUE %ICONS %MTYPES
3.225     scop       62:   %DIFF_COMMANDS @DIFFTYPES %DIFFTYPES @LOGSORTKEYS %LOGSORTKEYS
3.129     scop       63:   %alltags %fileinfo %tags @branchnames %nameprinted
3.120     scop       64:   %symrev %revsym @allrevisions %date %author @revdisplayorder
3.152     scop       65:   @revisions %state %difflines %log %branchpoint @revorder $keywordsubstitution
3.120     scop       66:   $prcgi @prcategories $re_prcategories $prkeyword $re_prkeyword $mancgi
3.222     scop       67:   $doCheckout $scriptname $scriptwhere
4.2       schwarze   68:   $where $Browser $nofilelinks $maycompress @stickyvars
3.120     scop       69:   $is_links $is_lynx $is_w3m $is_msie $is_mozilla3 $is_textbased
                     70:   %input $query $barequery $sortby $bydate $byrev $byauthor
                     71:   $bylog $byfile $defaultDiffType $logsort $cvstree $cvsroot
3.230     scop       72:   $charset $output_filter
                     73:   @command_path %CMD $allow_compress $backicon $diricon $fileicon $graphicon
3.264     scop       74:   $fullname $cvstreedefault $logo $defaulttitle $address $binfileicon
3.131     scop       75:   $long_intro $short_instruction $shortLogLen $show_author
3.129     scop       76:   $tablepadding $hr_breakable $showfunc $hr_ignwhite $hr_ignkeysubst
3.290     scop       77:   $inputTextSize $mime_types $allow_annotate $allow_markup $allow_mailtos
3.120     scop       78:   $allow_log_extra $allow_dir_extra $allow_source_extra
3.218     scop       79:   $allow_cvsgraph $cvsgraph_config $use_java_script $edit_option_form
3.144     scop       80:   $show_subdir_lastmod $show_log_in_markup $preformat_in_markup
3.233     scop       81:   $tabstop $state $annTable $sel @ForbiddenFiles
                     82:   $use_descriptions %descriptions @mytz $dwhere
3.222     scop       83:   $use_moddate $gzip_open $file_list_len
3.120     scop       84:   $allow_tar @tar_options @gzip_options @zip_options @cvs_options
3.222     scop       85:   @annotate_options @rcsdiff_options
3.257     scop       86:   $HTML_DOCTYPE $HTML_META $cssurl $CSS $cvshistory_url
3.222     scop       87:   $allow_enscript @enscript_options %enscript_types
3.1       knu        88: );
                     89:
3.285     scop       90: use Cwd                   qw(abs_path);
3.171     scop       91: use File::Path            qw(rmtree);
3.232     scop       92: use File::Spec::Functions qw(canonpath catdir catfile curdir devnull rootdir
                     93:                              tmpdir updir);
3.225     scop       94: use File::Temp            qw(tempdir tempfile);
3.229     scop       95: use IPC::Run              qw();
3.172     scop       96: use Time::Local           qw(timegm);
3.206     scop       97: use URI::Escape           qw(uri_escape uri_unescape);
3.122     scop       98:
3.222     scop       99: use constant VALID_PATH   => qr/^([[:^cntrl:]]+)$/o;
                    100: use constant VALID_TAG1   => qr/^([a-zA-Z][[:graph:]]*)$/o;
                    101: use constant VALID_TAG2   => qr/^([^\$,.:;@]+)$/o;
3.261     scop      102: use constant CVSWEBMARKUP => qr{^text/(x-cvsweb|vnd\.viewcvs)-markup$}io;
3.222     scop      103: use constant LOG_FILESEPR => qr/^={77}$/o;
                    104: use constant LOG_REVSEPR  => qr/^-{28}$/o;
                    105:
                    106: use constant HAS_ZLIB     => eval { require Compress::Zlib; };
                    107: use constant HAS_EDIFF    => eval { require String::Ediff;  };
3.194     scop      108:
3.122     scop      109: # -----------------------------------------------------------------------------
                    110:
                    111: # All global initialization that can be done in compile time should go to
                    112: # the BEGIN block.  Persistent environments, such as mod_perl, will benefit
                    113: # from this.
                    114:
                    115: BEGIN
                    116: {
3.295     scop      117:   $VERSION = '3.0.6';
3.122     scop      118:
                    119:   $HTML_DOCTYPE =
3.208     scop      120:     '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" ' .
                    121:     '"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">';
3.122     scop      122:
                    123:   $HTML_META = <<EOM;
3.208     scop      124: <meta name="robots" content="nofollow" />
                    125: <meta name="generator" content="FreeBSD-CVSweb $VERSION" />
                    126: <meta http-equiv="Content-Script-Type" content="text/javascript" />
                    127: <meta http-equiv="Content-Style-Type" content="text/css" />
3.122     scop      128: EOM
                    129:
3.156     scop      130:   # Use MIME::Types for MIME type lookups if it's available.
                    131:   eval {
                    132:     require MIME::Types;
3.223     scop      133:     $MimeTypes = MIME::Types->new(only_complete => 1);
3.156     scop      134:   };
                    135:   $MimeTypes = undef if $@;
                    136:
3.222     scop      137:   $CheckoutMagic = '~checkout~';
3.122     scop      138: }
                    139:
                    140: # -----------------------------------------------------------------------------
                    141:
3.12      knu       142: sub printDiffSelect($);
3.168     scop      143: sub printDiffSelectStickyVars();
3.225     scop      144: sub getDiffLinks($$$);
3.37      knu       145: sub printLogSortSelect($);
3.12      knu       146: sub findLastModifiedSubdirs(@);
3.36      knu       147: sub htmlify_sub(&$);
3.12      knu       148: sub htmlify($;$);
3.20      knu       149: sub spacedHtmlText($;$);
3.12      knu       150: sub link($$);
                    151: sub revcmp($$);
3.103     knu       152: sub fatal($$@);
3.287     scop      153: sub config_error($$);
3.269     scop      154: sub redirect($;$);
3.12      knu       155: sub safeglob($);
3.58      knu       156: sub search_path($);
3.219     scop      157: sub getEnscriptHL($);
3.156     scop      158: sub getMimeType($;$);
3.24      knu       159: sub head($;$);
                    160: sub scan_directives(@);
3.86      knu       161: sub openOutputFilter();
3.275     scop      162: sub doAnnotate($$);
                    163: sub doCheckout($$$);
3.240     scop      164: sub doEnscript($$$;$);
3.170     scop      165: sub doGraph();
                    166: sub doGraphView();
3.219     scop      167: sub cvswebMarkup($$$$$$;$);
3.12      knu       168: sub viewable($);
                    169: sub doDiff($$$$$$);
                    170: sub getDirLogs($$@);
                    171: sub readLog($;$);
3.219     scop      172: sub printLog($$$;$$);
3.12      knu       173: sub doLog($);
                    174: sub flush_diff_rows($$$$);
3.144     scop      175: sub human_readable_diff($$);
3.163     scop      176: sub navigateHeader($$$$$;$);
3.12      knu       177: sub plural_write($$);
                    178: sub readableTime($$);
                    179: sub clickablePath($$);
                    180: sub chooseCVSRoot();
                    181: sub chooseMirror();
                    182: sub fileSortCmp();
                    183: sub download_url($$;$);
                    184: sub download_link($$$;$);
3.219     scop      185: sub display_url($$;$);
                    186: sub display_link($$;$$);
3.170     scop      187: sub graph_link($;$);
3.258     scop      188: sub history_link($$;$);
3.140     scop      189: sub toggleQuery($;$);
3.35      knu       190: sub htmlquote($);
3.36      knu       191: sub htmlunquote($);
3.271     scop      192: sub uri_escape_path($);
3.163     scop      193: sub http_header(;$$);
                    194: sub html_header($;$);
3.12      knu       195: sub html_footer();
                    196: sub link_tags($);
3.233     scop      197: sub forbidden($);
3.191     scop      198: sub startproc(@);
3.215     scop      199: sub runproc(@);
3.225     scop      200: sub checkout_to_temp($$$);
3.12      knu       201:
3.284     scop      202: # Get rid of unsafe environment vars.  Don't do this in the BEGIN block
                    203: # (think mod_perl)...
3.142     scop      204: delete(@ENV{qw(PATH IFS CDPATH ENV BASH_ENV)});
3.59      knu       205:
4.4     ! schwarze  206: # Location of the configuration file inside the web server chroot:
        !           207: $config = '/conf/cvsweb/cvsweb.conf';
3.1       knu       208:
3.284     scop      209: ######## Configuration parameters #########
3.120     scop      210:
3.80      knu       211: @CVSrepositories = @CVSROOT = %CVSROOT = %MIRRORS = %DEFAULTVALUE = %ICONS =
3.225     scop      212:   %MTYPES = %tags = %alltags = %fileinfo = %DIFF_COMMANDS = ();
3.120     scop      213:
3.129     scop      214: $cvstreedefault = $logo = $defaulttitle =
3.120     scop      215:   $address = $long_intro = $short_instruction = $shortLogLen = $show_author =
3.131     scop      216:   $tablepadding = $hr_breakable = $showfunc = $hr_ignwhite =
3.129     scop      217:   $hr_ignkeysubst = $inputTextSize = $mime_types = $allow_annotate =
3.284     scop      218:   $allow_markup = $allow_compress = $use_java_script = $edit_option_form =
                    219:   $show_subdir_lastmod = $show_log_in_markup = $preformat_in_markup =
                    220:   $tabstop = $use_moddate = $gzip_open = $DEBUG = $allow_cvsgraph =
                    221:   $cvsgraph_config = $cvshistory_url = $allow_tar = undef;
                    222:
3.290     scop      223: $allow_version_select = $allow_mailtos = $allow_log_extra = 1;
3.32      knu       224:
4.2       schwarze  225: @DIFFTYPES = qw(h H u c);
3.37      knu       226: @DIFFTYPES{@DIFFTYPES} = (
3.120     scop      227:   {
                    228:     'descr'   => 'colored',
                    229:     'opts'    => ['-u'],
                    230:     'colored' => 1,
                    231:   },
                    232:   {
                    233:     'descr'   => 'long colored',
                    234:     'opts'    => ['--unified=15'],
                    235:     'colored' => 1,
                    236:   },
                    237:   {
                    238:     'descr'   => 'unified',
                    239:     'opts'    => ['-u'],
                    240:     'colored' => 0,
                    241:   },
                    242:   {
                    243:     'descr'   => 'context',
                    244:     'opts'    => ['-c'],
                    245:     'colored' => 0,
                    246:   },
3.80      knu       247: );
3.37      knu       248:
                    249: @LOGSORTKEYS = qw(cvs date rev);
                    250: @LOGSORTKEYS{@LOGSORTKEYS} = (
3.254     scop      251:   { descr => 'Not sorted',  },
                    252:   { descr => 'Commit date', },
                    253:   { descr => 'Revision',    },
3.80      knu       254: );
3.37      knu       255:
3.284     scop      256: ##### End of configuration parameters #####
3.1       knu       257:
3.264     scop      258: my $pathinfo = '';
                    259: if (defined($ENV{PATH_INFO}) && $ENV{PATH_INFO} ne '') {
3.194     scop      260:   ($pathinfo) = ($ENV{PATH_INFO} =~ VALID_PATH)
                    261:     or fatal('500 Internal Error',
                    262:              'Illegal PATH_INFO in environment: <code>%s</code>',
                    263:              $ENV{PATH_INFO});
                    264: }
                    265: if ($ENV{SCRIPT_NAME}) {
                    266:   ($scriptname) = ($ENV{SCRIPT_NAME} =~ VALID_PATH)
                    267:     or fatal('500 Internal Error',
                    268:              'Illegal SCRIPT_NAME in environment: <code>%s</code>',
                    269:              $ENV{SCRIPT_NAME});
                    270: }
                    271:
                    272: $scriptname    = '' unless defined($scriptname);
                    273:
3.120     scop      274: $where         =  $pathinfo;
3.268     scop      275: $doCheckout    =  $where =~ s|^/$CheckoutMagic/|/|o;
3.120     scop      276: $where         =~ s|^/||;
                    277: $scriptname    =~ s|^/*|/|;
3.63      knu       278:
3.64      knu       279: # Let's workaround thttpd's stupidity..
3.63      knu       280: if ($scriptname =~ m|/$|) {
3.120     scop      281:   $pathinfo .= '/';
                    282:   my $re = quotemeta $pathinfo;
                    283:   $scriptname =~ s/$re$//;
3.63      knu       284: }
                    285:
3.271     scop      286: # $scriptname : the URI escaped path to this script
                    287: # $where      : the path in the CVS repository (without leading /, or only /)
                    288: # $scriptwhere: the URI escaped $scriptname + '/' + $where
                    289: $scriptname   = uri_escape_path($scriptname);
                    290: $scriptwhere  = join('/', $scriptname, uri_escape_path($where));
3.268     scop      291: $where        = '/' if ($where eq '');
3.3       knu       292:
3.188     scop      293: # In text-based browsers, it's very annoying to have two links per file;
                    294: # skip linking the image for them.
                    295:
3.120     scop      296: $Browser     = $ENV{HTTP_USER_AGENT} || '';
3.187     scop      297: $is_links    = ($Browser =~ m`^E?Links `);
3.80      knu       298: $is_lynx     = ($Browser =~ m`^Lynx/`i);
                    299: $is_w3m      = ($Browser =~ m`^w3m/`i);
                    300: $is_msie     = ($Browser =~ m`MSIE`);
3.5       knu       301: $is_mozilla3 = ($Browser =~ m`^Mozilla/[3-9]`);
3.3       knu       302:
3.34      knu       303: $is_textbased = ($is_links || $is_lynx || $is_w3m);
3.5       knu       304:
                    305: $nofilelinks = $is_textbased;
3.1       knu       306:
                    307: # newer browsers accept gzip content encoding
                    308: # and state this in a header
                    309: # (netscape did always but didn't state it)
                    310: # It has been reported that these
                    311: #  braindamaged MS-Internet Exploders claim that they
                    312: # accept gzip .. but don't in fact and
                    313: # display garbage then :-/
3.23      knu       314: # Turn off gzip if running under mod_perl and no zlib is available,
                    315: # piping does not work as expected inside the server.
3.120     scop      316: $maycompress = (
                    317:   ((defined($ENV{HTTP_ACCEPT_ENCODING})
                    318:     && $ENV{HTTP_ACCEPT_ENCODING} =~ /gzip/)
                    319:    || $is_mozilla3)
                    320:   && !$is_msie
3.222     scop      321:   && !(defined($ENV{MOD_PERL}) && !HAS_ZLIB)
3.120     scop      322: );
3.1       knu       323:
3.284     scop      324: # Parameters that will be sticky in all constructed links/query strings.
3.194     scop      325: @stickyvars =
3.282     scop      326:   qw(cvsroot hideattic ignorecase sortby logsort f only_with_tag ln
                    327:      hidecvsroot hidenonreadable);
1.1       jfieber   328:
3.227     scop      329: #
                    330: # Load configuration.
                    331: #
3.1       knu       332: if (-f $config) {
3.287     scop      333:   do "$config" or config_error($config, $@);
3.27      knu       334: } else {
3.120     scop      335:   fatal("500 Internal Error",
3.284     scop      336:         'Configuration not found.  Set the parameter <code>$config</code> in cvsweb.cgi to your <b>cvsweb.conf</b> configuration file first.');
3.1       knu       337: }
                    338:
3.183     scop      339: # Try to find a readable dir where we can cd into.  Some abs_path()
                    340: # implementations as well as various cvs operations require such a dir to
                    341: # work properly.
                    342: {
                    343:   local $^W = 0;
3.285     scop      344:   for my $dir (tmpdir(), rootdir()) {
                    345:     last if (-r $dir && chdir($dir));
3.183     scop      346:   }
                    347: }
                    348:
3.144     scop      349: $CSS = $cssurl ?
3.208     scop      350:   sprintf("<link rel=\"stylesheet\" type=\"text/css\" href=\"%s\" />\n",
3.144     scop      351:           htmlquote($cssurl)) : '';
                    352:
3.194     scop      353: # --- input parameters
                    354:
3.202     scop      355: my %query = ();
                    356: if (defined($ENV{QUERY_STRING})) {
                    357:   for my $p (split(/[;&]+/, $ENV{QUERY_STRING})) {
                    358:     next unless $p;
                    359:     $p =~ y/+/ /;
                    360:     my ($key, $val) = split(/=/, $p, 2);
                    361:     next unless defined($key);
                    362:     $val = 1 unless defined($val);
3.222     scop      363:     ($key = uri_unescape($key)) =~ /[[:graph:]]/ or next;
                    364:     ($val = uri_unescape($val)) =~ /[[:graph:]]/ or next;
3.202     scop      365:     $query{$key} = $val;
                    366:   }
                    367: }
                    368:
3.1       knu       369: undef %input;
1.10      wosch     370:
3.194     scop      371: my $t;
                    372: for my $p (qw(graph hideattic hidecvsroot hidenonreadable ignorecase ln copt
                    373:               makeimage options tarball)) {
3.202     scop      374:   $t = $query{$p};
                    375:   if (defined($t)) {
3.222     scop      376:     ($input{$p}) = ($t =~ /^([01]|on)$/)
3.194     scop      377:       or fatal('500 Internal Error',
                    378:                'Invalid boolean value: <code>%s=%s</code>', $p, $t);
                    379:   }
                    380: }
                    381: for my $p (qw(annotate r1 r2 rev tr1 tr2)) {
3.202     scop      382:   $t = $query{$p};
                    383:   if (defined($t)) {
3.207     scop      384:     if (($p eq 'r1' || $p eq 'r2') && $t eq 'text') {
                    385:       # Special case for the "Use text field" option in the log view diff form.
                    386:       $input{$p} = $t;
                    387:       next;
3.275     scop      388:     } elsif (($p eq 'rev' || $p eq 'annotate') && ($t eq '.' || $t eq 'HEAD')){
3.253     scop      389:       # Another special case, allow linking to latest revision using these.
                    390:       $input{$p} = '.';
                    391:       next;
3.207     scop      392:     }
3.194     scop      393:     my ($rev, $tag) = split(/:/, $t, 2);
3.251     scop      394:     ($input{$p}) = ($rev =~ /^(\d+(?:\.\d+)*)$/)
3.194     scop      395:       or fatal('500 Internal Error',
                    396:                'Invalid revision: <code>%s=%s</code>', $p, $t);
                    397:     if (defined($tag)) {
                    398:       ($tag) = ($tag =~ VALID_TAG1)
                    399:         or fatal('500 Internal Error',
3.254     scop      400:                  'Invalid tag/branch name in revision: <code>%s=%s</code>',
                    401:                  $p, $t);
3.194     scop      402:       ($tag) = ($tag =~ VALID_TAG2)
                    403:         or fatal('500 Internal Error',
3.254     scop      404:                  'Invalid tag/branch name in revision: <code>%s=%s</code>',
                    405:                  $p, $t);
3.207     scop      406:       $input{$p} .= ':' . $tag;
3.194     scop      407:     }
                    408:   }
                    409: }
3.202     scop      410: $t = defined($query{only_with_tag}) ?
                    411:   $query{only_with_tag} : $query{only_on_branch}; # Backwards compatibility.
                    412: if (defined($t)) {
3.211     scop      413:   ($input{only_with_tag}) = ($t =~ VALID_TAG1)
3.194     scop      414:     or fatal('500 Internal Error',
                    415:              'Invalid tag/branch name: <code>%s</code>', $t);
3.211     scop      416:   ($input{only_with_tag}) = ($t =~ VALID_TAG2)
3.194     scop      417:     or fatal('500 Internal Error',
                    418:              'Invalid tag/branch name: <code>%s</code>', $t);
                    419: }
3.202     scop      420: $t = $query{logsort};
                    421: if (defined($t)) {
3.222     scop      422:   ($input{logsort}) = ($t =~ /^(cvs|date|rev)$/)
3.194     scop      423:     or fatal('500 Internal Error',
                    424:              'Unsupported log sort key: <code>%s</code>', $t);
                    425: }
3.202     scop      426: $t = $query{f};
                    427: if (defined($t)) {
3.225     scop      428:   ($input{f}) = ($t =~ /^(([hH]|[ucs]c?)|ext\d*)$/)
3.194     scop      429:     or fatal('500 Internal Error',
                    430:              'Unsupported diff format: <code>%s</code>', $t);
                    431: }
3.202     scop      432: $t = $query{sortby};
                    433: if (defined($t)) {
3.222     scop      434:   ($input{sortby}) = ($t =~ /^(file|date|rev|author|log)$/)
3.194     scop      435:     or fatal('500 Internal Error',
                    436:              'Unsupported dir sort key: <code>%s</code>', $t);
                    437: }
3.202     scop      438: $t = $query{'content-type'};
                    439: if (defined($t)) {
3.294     scop      440:   ($input{'content-type'}) = ($t =~ m|^([-0-9A-Za-z]+/[-0-9A-Za-z\.\+]+)$|)
3.194     scop      441:     or fatal('500 Internal Error',
                    442:              'Unsupported content type: <code>%s</code>', $t);
                    443: }
3.202     scop      444: $t = $query{cvsroot};
                    445: if (defined($t)) {
3.222     scop      446:   ($input{cvsroot}) = ($t =~ /^([[:print:]]+)$/)
3.194     scop      447:     or fatal('500 Internal Error',
                    448:              'Invalid symbolic CVS root name: <code>%s</code>', $t);
                    449: }
3.202     scop      450: $t = $query{path};
                    451: if (defined($t)) {
3.194     scop      452:   ($input{path}) = ($t =~ VALID_PATH)
                    453:     or fatal('500 Internal Error',
                    454:              'Invalid path: <code>%s</code>', $t);
3.97      knu       455: }
3.194     scop      456: undef($t);
3.205     scop      457: undef(%query);
3.97      knu       458:
3.194     scop      459: # --- end input parameters
1.10      wosch     460:
3.158     scop      461: #
                    462: # CVS roots
                    463: #
                    464: my $rootfound = 0;
                    465: for (my $i = 0; $i < scalar(@CVSrepositories); $i += 2) {
                    466:   my $key = $CVSrepositories[$i];
3.232     scop      467:   my ($descr, $root) = @{$CVSrepositories[$i+1]};
                    468:   $root = canonpath($root);
                    469:   unless (-d $root) {
                    470:     warn("Root '$root' defined in \@CVSrepositories is not a directory, " .
3.158     scop      471:          'entry ignored');
                    472:     next;
                    473:   }
                    474:   $rootfound ||= 1;
                    475:   $cvstreedefault = $key unless defined($cvstreedefault);
                    476:   $CVSROOTdescr{$key} = $descr;
3.232     scop      477:   $CVSROOT{$key} = $root;
3.158     scop      478:   push(@CVSROOT, $key);
                    479: }
                    480: unless ($rootfound) {
                    481:   fatal('500 Internal Error',
                    482:         'No valid CVS roots found!  See <code>@CVSrepositories</code> in ' .
3.221     scop      483:         'the configuration file (<code>%s</code>).',
3.158     scop      484:         $config);
                    485: }
                    486: undef $rootfound;
                    487:
                    488: #
                    489: # Default CVS root
                    490: #
                    491: if (!defined($CVSROOT{$cvstreedefault})) {
                    492:   fatal("500 Internal Error",
                    493:         '<code>$cvstreedefault</code> points to a repository (%s) not ' .
                    494:         'defined in <code>@CVSrepositories</code> in your configuration ' .
                    495:         'file (<code>%s</code>).',
                    496:         $cvstreedefault,
                    497:         $config);
                    498: }
                    499:
3.254     scop      500: $DEFAULTVALUE{cvsroot} = $cvstreedefault;
1.10      wosch     501:
3.120     scop      502: while (my ($key, $defval) = each %DEFAULTVALUE) {
3.80      knu       503:
3.120     scop      504:   # Replace not given parameters with defaults.
3.194     scop      505:   next unless (defined($defval) && $defval =~ /\S/ && !defined($input{$key}));
3.120     scop      506:
3.284     scop      507:   # Empty checkboxes in forms return nothing, so we define a helper parameter
3.120     scop      508:   # in these forms (copt) which indicates that we just set parameters with a
                    509:   # checkbox.
3.194     scop      510:   if ($input{copt}) {
3.120     scop      511:
3.194     scop      512:     # 'copt' is set -> the result of empty input checkbox
3.120     scop      513:     # -> set to zero (disable) if default is a boolean (0|1).
                    514:     $input{$key} = 0 if ($defval eq '0' || $defval eq '1');
                    515:
                    516:   } else {
                    517:
3.194     scop      518:     # 'copt' isn't set --> empty input is not the result
3.120     scop      519:     # of empty input checkbox --> set default.
                    520:     $input{$key} = $defval;
                    521:   }
1.10      wosch     522: }
3.12      knu       523:
3.1       knu       524: $barequery = "";
3.31      knu       525: my @barequery;
3.1       knu       526: foreach (@stickyvars) {
3.80      knu       527:
3.120     scop      528:   # construct a query string with the sticky non default parameters set
                    529:   if (defined($input{$_})
                    530:       && !(defined($DEFAULTVALUE{$_}) && $input{$_} eq $DEFAULTVALUE{$_}))
                    531:   {
3.206     scop      532:     push(@barequery, join('=', uri_escape($_), uri_escape($input{$_})));
3.120     scop      533:   }
3.1       knu       534: }
3.80      knu       535:
3.168     scop      536: if ($allow_enscript) {
4.2       schwarze  537:   push(@DIFFTYPES, qw(uc cc));
                    538:   @DIFFTYPES{qw(uc cc)} = (
3.168     scop      539:     {
                    540:      'descr'   => 'unified, colored',
                    541:      'opts'    => ['-u'],
                    542:      'colored' => 0,
                    543:     },
                    544:     {
                    545:      'descr'   => 'context, colored',
                    546:      'opts'    => ['-c'],
                    547:      'colored' => 0,
                    548:     },
                    549:   );
                    550: } else {
                    551:   # No Enscript -> respect difftype, but don't offer colorization.
                    552:   if ($input{f} && $input{f} =~ /^([ucs])c$/) {
                    553:     $input{f} = $1;
                    554:   }
                    555: }
                    556:
3.1       knu       557: # is there any query ?
3.31      knu       558: if (@barequery) {
3.203     scop      559:   $barequery = join (';', @barequery);
3.120     scop      560:   $query     = "?$barequery";
3.203     scop      561:   $barequery = ";$barequery";
3.80      knu       562: } else {
3.120     scop      563:   $query = "";
3.1       knu       564: }
3.31      knu       565: undef @barequery;
3.1       knu       566:
3.254     scop      567: if (defined($input{path})) {
3.120     scop      568:   redirect("$scriptname/$input{path}$query");
3.57      knu       569: }
                    570:
3.1       knu       571: # get actual parameters
3.144     scop      572: {
                    573:   my $sortby = $input{sortby} || 'file';
                    574:   $bydate    = 0;
                    575:   $byrev     = 0;
                    576:   $byauthor  = 0;
                    577:   $bylog     = 0;
                    578:   $byfile    = 0;
                    579:   if ($sortby eq 'date') {
                    580:     $bydate = 1;
                    581:   } elsif ($sortby eq 'rev') {
                    582:     $byrev = 1;
                    583:   } elsif ($sortby eq 'author') {
                    584:     $byauthor = 1;
                    585:   } elsif ($sortby eq 'log') {
                    586:     $bylog = 1;
                    587:   } else {
                    588:     $byfile = 1;
                    589:   }
3.1       knu       590: }
                    591:
3.254     scop      592: $defaultDiffType = $input{f};
3.1       knu       593:
3.254     scop      594: $logsort = $input{logsort};
3.1       knu       595:
                    596: # alternate CVS-Tree, configured in cvsweb.conf
3.254     scop      597: if ($input{cvsroot} && $CVSROOT{$input{cvsroot}}) {
                    598:   $cvstree = $input{cvsroot};
3.1       knu       599: } else {
3.120     scop      600:   $cvstree = $cvstreedefault;
1.10      wosch     601: }
                    602:
3.1       knu       603: $cvsroot = $CVSROOT{$cvstree};
1.10      wosch     604:
3.1       knu       605: # create icons out of description
3.120     scop      606: foreach my $k (keys %ICONS) {
                    607:   my ($itxt, $ipath, $iwidth, $iheight) = @{$ICONS{$k}};
                    608:   no strict 'refs';
                    609:   if ($ipath) {
                    610:     ${"${k}icon"} =
3.208     scop      611:       sprintf('<img src="%s" alt="%s" border="0" width="%d" height="%d" />',
3.271     scop      612:               htmlquote($ipath), htmlquote($itxt), $iwidth, $iheight);
3.120     scop      613:   } else {
                    614:     ${"${k}icon"} = $itxt;
                    615:   }
1.24      wosch     616: }
                    617:
3.27      knu       618: my $config_cvstree = "$config-$cvstree";
                    619:
3.1       knu       620: # Do some special configuration for cvstrees
3.27      knu       621: if (-f $config_cvstree) {
3.120     scop      622:   do "$config_cvstree"
                    623:     or fatal("500 Internal Error",
3.208     scop      624:              'Error in loading configuration file: %s<br /><br />%s<br />',
3.120     scop      625:              $config_cvstree, $@);
3.27      knu       626: }
3.31      knu       627: undef $config_cvstree;
3.1       knu       628:
3.120     scop      629: $re_prcategories  = '(?:' . join ('|', @prcategories) . ')' if @prcategories;
                    630: $re_prkeyword     = quotemeta($prkeyword) if defined($prkeyword);
                    631: $prcgi           .= '%s' if defined($prcgi) && $prcgi !~ /%s/;
1.24      wosch     632:
3.233     scop      633: $fullname         = catfile($cvsroot, $where);
3.1       knu       634:
3.63      knu       635: my $rewrite = 0;
                    636: if ($pathinfo =~ m|//|) {
3.120     scop      637:   $pathinfo =~ y|/|/|s;
                    638:   $rewrite = 1;
3.63      knu       639: }
3.120     scop      640: if (-d $fullname) {
                    641:   if ($pathinfo !~ m|/$|) {
                    642:     $pathinfo .= '/';
                    643:     $rewrite   = 1;
                    644:   }
3.268     scop      645: } elsif ($pathinfo =~ m|/$|) {
                    646:   chop $pathinfo;
                    647:   $rewrite = 1;
3.63      knu       648: }
                    649: if ($rewrite) {
3.271     scop      650:   redirect($scriptname . uri_escape_path($pathinfo) . $query, 1);
3.1       knu       651: }
3.268     scop      652: undef $rewrite;
3.1       knu       653:
3.264     scop      654: undef $pathinfo;
3.63      knu       655:
3.1       knu       656: if (!-d $cvsroot) {
3.120     scop      657:   fatal("500 Internal Error",
                    658:         '$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       659: }
                    660:
                    661: #
3.233     scop      662: # Short-circuit forbidden things.  Note that $fullname should not change
                    663: # after this, because the rest of the code assumes this check has already
                    664: # been done.
3.1       knu       665: #
3.233     scop      666: fatal('403 Forbidden', 'Access to %s forbidden.', $where)
                    667:   if forbidden($fullname);
3.46      knu       668:
                    669: #
                    670: # Handle tarball downloads before any headers are output.
                    671: #
                    672: if ($input{tarball}) {
3.120     scop      673:   fatal('403 Forbidden', 'Downloading tarballs is prohibited.')
                    674:     unless $allow_tar;
3.191     scop      675:
3.120     scop      676:   my ($module)  =  ($where =~ m,^/?(.*),);    # untaint
                    677:   $module       =~ s,/([^/]*)$,,;
3.191     scop      678:   my ($ext)     =  ($1 =~ /(\.t(?:ar\.)?gz|\.zip)$/);
3.120     scop      679:   my ($basedir) =  ($module =~ m,([^/]+)$,);
                    680:
                    681:   if ($basedir eq '' || $module eq '') {
                    682:     fatal('500 Internal Error',
                    683:           'You cannot download the top level directory.');
                    684:   }
                    685:
3.191     scop      686:   my $istar = ($ext eq '.tar.gz' || $ext eq '.tgz');
                    687:   if ($istar) {
                    688:     fatal('500 Internal Error', 'tar command not found.') unless $CMD{tar};
                    689:     fatal('500 Internal Error', 'gzip command not found.') unless $CMD{gzip};
                    690:   }
                    691:   my $iszip = ($ext eq '.zip');
                    692:   if ($iszip && !$CMD{zip}) {
                    693:     fatal('500 Internal Error', 'zip command not found.');
                    694:   }
3.215     scop      695:   if (!$istar && !$iszip) {
                    696:     fatal('500 Internal Error', 'Unsupported archive type.');
                    697:   }
3.191     scop      698:
3.138     scop      699:   my $tmpexportdir;
                    700:   eval {
                    701:     local $SIG{__DIE__};
3.171     scop      702:     # Don't use the CLEANUP argument to tempdir() here, since we might be under
                    703:     # mod_perl (the process runs for a long time), unlink explicitly later.
                    704:     $tmpexportdir = tempdir('.cvsweb.XXXXXXXX', TMPDIR => 1);
3.138     scop      705:   };
                    706:   if ($@) {
                    707:     fatal('500 Internal Error', 'Unable to make temporary directory: %s', $@);
                    708:   }
3.191     scop      709:   if (!chdir($tmpexportdir)) {
                    710:     fatal('500 Internal Error',
                    711:           "Can't cd to temporary directory %s: %s", $tmpexportdir, $!);
                    712:   }
3.120     scop      713:
                    714:   my @fatal;
3.194     scop      715:   my $tag = $input{only_with_tag} || 'HEAD';
                    716:   $tag = 'HEAD' if ($tag eq 'MAIN');
3.120     scop      717:
3.215     scop      718:   my @cmd =
3.241     scop      719:     ($CMD{cvs}, @cvs_options, '-Qd', $cvsroot, 'export', '-r', $tag,
                    720:      '-d', $basedir, $module);
3.215     scop      721:   my $export_err;
                    722:   my ($errcode, $err) = runproc(\@cmd, '2>', \$export_err);
                    723:   if ($errcode) {
                    724:     @fatal =
                    725:       ('500 Internal Error',
                    726:        'Export failure (exit status %s), output: <pre>%s</pre>',
                    727:        $errcode, $err || $export_err);
3.191     scop      728:
3.215     scop      729:   } else {
3.191     scop      730:
3.120     scop      731:     $| = 1;    # Essential to get the buffering right.
3.191     scop      732:     local (*TAR_OUT);
3.120     scop      733:
3.191     scop      734:     my (@cmd, $ctype);
                    735:     if ($istar) {
                    736:       my @tar = ($CMD{tar}, @tar_options, '-cf', '-', $basedir);
                    737:       my @gzip = ($CMD{gzip}, @gzip_options, '-c');
                    738:       push(@cmd, \@tar, '|', \@gzip);
                    739:       $ctype = 'application/x-gzip';
                    740:     } elsif ($iszip) {
                    741:       my @zip = ($CMD{zip}, @zip_options, '-r', '-', $basedir);
                    742:       push(@cmd, \@zip, \'');
                    743:       $ctype = 'application/zip';
                    744:     }
3.229     scop      745:     push(@cmd, '>pipe', \*TAR_OUT);
3.191     scop      746:
                    747:     my ($h, $err) = startproc(@cmd);
                    748:     if ($h) {
                    749:       print "Content-Type: $ctype\r\n\r\n";
                    750:       local $/ = undef;
                    751:       print <TAR_OUT>;
3.229     scop      752:       $h->finish();
3.120     scop      753:     } else {
3.215     scop      754:       @fatal = ('500 Internal Error',
                    755:                 '%s failure (exit status %s), output: <pre>%s</pre>',
                    756:                 $istar ? 'Tar' : 'Zip', $? >> 8 || -1, $err);
3.120     scop      757:     }
                    758:   }
3.46      knu       759:
3.171     scop      760:   # Clean up.
                    761:   rmtree($tmpexportdir);
3.46      knu       762:
3.120     scop      763:   &fatal(@fatal) if @fatal;
3.46      knu       764:
3.120     scop      765:   exit;
3.46      knu       766: }
                    767:
3.1       knu       768: ##############################
                    769: # View a directory
                    770: ###############################
3.46      knu       771: if (-d $fullname) {
3.233     scop      772:
3.120     scop      773:   my $dh = do { local (*DH); };
                    774:   opendir($dh, $fullname) or fatal("404 Not Found", '%s: %s', $where, $!);
3.233     scop      775:   my @dir = grep(!forbidden(catfile($fullname, $_)), readdir($dh));
3.120     scop      776:   closedir($dh);
3.284     scop      777:   my @subLevelFiles = findLastModifiedSubdirs(@dir) if $show_subdir_lastmod;
3.150     scop      778:   my @unreadable = getDirLogs($cvsroot, $where, @subLevelFiles);
3.120     scop      779:
                    780:   if ($where eq '/') {
                    781:     html_header($defaulttitle);
                    782:     $long_intro =~ s/!!CVSROOTdescr!!/$CVSROOTdescr{$cvstree}/g;
                    783:     print $long_intro;
                    784:   } else {
                    785:     html_header($where);
3.212     scop      786:     my $html = (-f catfile($fullname, 'README.cvs.html,v') ||
                    787:                 -f catfile($fullname, 'Attic', 'README.cvs.html,v'));
                    788:     my $text = (!$html &&
                    789:                 (-f catfile($fullname, 'README.cvs,v') ||
                    790:                  -f catfile($fullname, 'Attic', 'README.cvs,v')));
                    791:     if ($html || $text) {
                    792:       my $rev = $input{only_with_tag} || 'HEAD';
                    793:       my $cr = abs_path($cvsroot) || $cvsroot;
                    794:       my $co = "$where/README.cvs.html" if $html;
                    795:       $co ||= "$where/README.cvs" if $text;
                    796:       # abs_path() taints when run as a CGI...
                    797:       if ($cr =~ VALID_PATH) {
                    798:         $cr = $1;
                    799:       } else {
                    800:         fatal('500 Internal Error', 'Illegal CVS root: <code>%s</code>', $cr);
                    801:       }
                    802:       my @cmd = ($CMD{cvs}, @cvs_options, '-d', $cr, 'co', '-p', "-r$rev",$co);
                    803:       local (*CVS_OUT, *CVS_ERR);
                    804:       my ($h, $err) = startproc(\@cmd, \"", '>pipe', \*CVS_OUT,
3.229     scop      805:                                 '2>pipe', \*CVS_ERR);
3.212     scop      806:       fatal('500 Internal Error', $err) unless $h;
                    807:       if ($html) {
                    808:         local $/ = undef;
                    809:         print <CVS_OUT>;
                    810:       } else {
                    811:         print "<p>\n";
                    812:         while (<CVS_OUT>) {
                    813:           chomp;
                    814:           print htmlquote($_), '<br />';
                    815:         }
                    816:         print "</p>";
                    817:       }
3.229     scop      818:       $h->finish();
3.212     scop      819:     }
3.120     scop      820:     print $short_instruction;
                    821:   }
                    822:
3.165     scop      823:   if ($use_descriptions &&
3.268     scop      824:       open(DESC, catfile($cvsroot, 'CVSROOT', 'descriptions'))) {
3.120     scop      825:     while (<DESC>) {
                    826:       chomp;
                    827:       my ($dir, $description) = /(\S+)\s+(.*)/;
                    828:       $descriptions{$dir} = $description;
                    829:     }
                    830:     close(DESC);
                    831:   }
                    832:
                    833:   print "<p><a name=\"dirlist\"></a></p>\n";
                    834:
                    835:   # give direct access to dirs
                    836:   if ($where eq '/') {
                    837:     chooseMirror();
                    838:     chooseCVSRoot();
3.268     scop      839:
3.120     scop      840:   } else {
3.257     scop      841:     print '<p>Current directory: <b>', clickablePath($where, 0), '</b>';
                    842:     if ($cvshistory_url) {
                    843:       (my $d = $where) =~ s|^/*(.*?)/*$|$1|;
3.258     scop      844:       print ' - ', history_link($d, '');
3.257     scop      845:     }
                    846:     print "</p>\n";
3.153     scop      847:     print "<p>Current tag: <b>", htmlquote($input{only_with_tag}), "</b></p>\n"
3.120     scop      848:       if $input{only_with_tag};
                    849:   }
                    850:
3.208     scop      851:   print "<hr />\n";
3.120     scop      852:
3.179     scop      853:   my $infocols = 1;
3.131     scop      854:
3.296     scop      855:   printf(<<EOF, $tablepadding, 'Directory index of ' . htmlquote($where));
                    856: <table class="dir" width="100%%" cellspacing="0" cellpadding="%s" summary="%s">
3.179     scop      857: <tr>
                    858: EOF
3.199     scop      859:   printf('<th colspan="2"%s>', ($byfile ? ' class="sorted"' : ''));
3.131     scop      860:
                    861:   if ($byfile) {
                    862:     print 'File';
                    863:   } else {
                    864:     print &link('File',
                    865:                 sprintf('./%s#dirlist', toggleQuery('sortby', 'file')));
                    866:   }
                    867:   print "</th>\n";
3.120     scop      868:
3.131     scop      869:   # Do not display the other column headers if we do not have any files
                    870:   # with revision information.
                    871:   if (scalar(%fileinfo)) {
3.120     scop      872:     $infocols++;
3.199     scop      873:     printf('<th%s>', ($byrev ? ' class="sorted"' : ''));
3.120     scop      874:
3.131     scop      875:     if ($byrev) {
                    876:       print 'Rev.';
3.120     scop      877:     } else {
3.131     scop      878:       print &link('Rev.',
                    879:                   sprintf('./%s#dirlist', toggleQuery('sortby', 'rev')));
3.120     scop      880:     }
                    881:     print "</th>\n";
3.131     scop      882:     $infocols++;
3.199     scop      883:     printf('<th%s>', ($bydate ? ' class="sorted"' : ''));
3.120     scop      884:
3.131     scop      885:     if ($bydate) {
                    886:       print 'Age';
                    887:     } else {
                    888:       print &link('Age',
                    889:                   sprintf('./%s#dirlist', toggleQuery('sortby', 'date')));
                    890:     }
                    891:     print "</th>\n";
3.120     scop      892:
3.131     scop      893:     if ($show_author) {
3.120     scop      894:       $infocols++;
3.199     scop      895:       printf('<th%s>', ($byauthor ? ' class="sorted"' : ''));
3.120     scop      896:
3.131     scop      897:       if ($byauthor) {
                    898:         print 'Author';
3.120     scop      899:       } else {
3.131     scop      900:         print
                    901:           &link('Author',
                    902:                 sprintf('./%s#dirlist', toggleQuery('sortby', 'author')));
3.120     scop      903:       }
                    904:       print "</th>\n";
3.131     scop      905:     }
                    906:     $infocols++;
3.199     scop      907:     printf('<th%s>', ($bylog ? ' class="sorted"' : ''));
3.120     scop      908:
3.131     scop      909:     if ($bylog) {
                    910:       print 'Last log entry';
                    911:     } else {
                    912:       print &link('Last log entry',
                    913:                   sprintf('./%s#dirlist', toggleQuery('sortby', 'log')));
3.120     scop      914:     }
3.131     scop      915:     print "</th>\n";
                    916:   } elsif ($use_descriptions) {
3.199     scop      917:     print "<th>Description</th>\n";
3.131     scop      918:     $infocols++;
3.120     scop      919:   }
3.131     scop      920:   print "</tr>\n";
                    921:
3.120     scop      922:   my $dirrow = 0;
                    923:
                    924:   my $i;
                    925:   lookingforattic:
                    926:   for ($i = 0; $i <= $#dir; $i++) {
                    927:     if ($dir[$i] eq "Attic") {
                    928:       last lookingforattic;
                    929:     }
                    930:   }
                    931:
3.254     scop      932:   if (!$input{hideattic}
3.120     scop      933:       && ($i <= $#dir)
                    934:       && opendir($dh, $fullname . '/Attic'))
                    935:   {
                    936:     splice(@dir, $i, 1, grep((s|^|Attic/|, !m|/\.|), readdir($dh)));
                    937:     closedir($dh);
                    938:   }
                    939:
                    940:   my $hideAtticToggleLink =
3.254     scop      941:     $input{hideattic}
3.120     scop      942:     ? ''
3.239     scop      943:     : &link('[hide]', sprintf('./%s#dirlist', &toggleQuery('hideattic')));
3.120     scop      944:
                    945:   # Sort without the Attic/ pathname.
                    946:   # place directories first
                    947:
                    948:   my $filesexists;
                    949:   my $filesfound;
                    950:
                    951:   foreach my $file (sort { &fileSortCmp } @dir) {
                    952:
3.196     scop      953:     next if ($file eq curdir());
3.120     scop      954:
                    955:     # ignore CVS lock and stale NFS files
                    956:     next if ($file =~ /^\#cvs\.|^,|^\.nfs/); # \# for XEmacs cperl-mode...
                    957:
                    958:     # Check whether to show the CVSROOT path
3.254     scop      959:     next if ($input{hidecvsroot} && $where eq '/' && $file eq 'CVSROOT');
3.120     scop      960:
3.150     scop      961:     # Is it a directory?
3.232     scop      962:     my $isdir = -d catdir($fullname, $file);
3.150     scop      963:
                    964:     # Ignore non-readable files and directories?
3.254     scop      965:     next if ($input{hidenonreadable} && (! -r _ || ($isdir && ! -x _)));
3.120     scop      966:
3.268     scop      967:     my $attic = '';
3.120     scop      968:     if ($file =~ s|^Attic/||) {
3.239     scop      969:       $attic = ' <span class="attic">(in the Attic) ' .
                    970:         $hideAtticToggleLink . '</span>';
3.120     scop      971:     }
                    972:
3.196     scop      973:     if ($file eq updir() || $isdir) {
                    974:       next if ($file eq updir() && $where eq '/');
3.152     scop      975:       my ($rev, $date, $log, $author, $filename, $keywordsubst) =
                    976:         @{$fileinfo{$file}} if (defined($fileinfo{$file}));
3.239     scop      977:       printf "<tr class=\"%s\">\n<td class=\"dir\" colspan=\"2\">",
3.132     scop      978:         ($dirrow % 2) ? 'even' : 'odd';
3.120     scop      979:
3.196     scop      980:       if ($file eq updir()) {
3.268     scop      981:         my $url = "../$query";
3.261     scop      982:         print $nofilelinks ? $backicon : &link($backicon, $url);
3.120     scop      983:         print '&nbsp;', &link("Parent Directory", $url);
3.261     scop      984:
3.120     scop      985:       } else {
3.271     scop      986:         my $url = './' . uri_escape_path($file) . "/$query";
                    987:         print '<a name="', htmlquote($file), '"></a>';
3.261     scop      988:         print $nofilelinks ? $diricon : &link($diricon, $url);
3.136     scop      989:         print '&nbsp;', &link(htmlquote("$file/"), $url), $attic;
3.120     scop      990:         if ($file eq "Attic") {
3.239     scop      991:           print ' <span class="attic">',
                    992:             &link('[show]',
                    993:                   sprintf('./%s#dirlist', &toggleQuery('hideattic'))),
                    994:                     '</span>';
3.120     scop      995:         }
                    996:       }
                    997:
                    998:       # Show last change in dir
                    999:       if ($filename) {
3.297     scop     1000:         my $ageclass = 'age';
                   1001:         my $age      = '';
                   1002:         if ($date) {
                   1003:           $age       = readableTime(time() - $date, 0);
                   1004:           $ageclass .= " $1" if ($age =~ /^\d+ ([a-z]+)/);
                   1005:         }
                   1006:         print "</td>\n<td>&nbsp;</td>\n<td class=\"$ageclass\">$age";
3.199     scop     1007:         print "</td>\n<td class=\"author\">", htmlquote($author)
                   1008:           if $show_author;
                   1009:         print "</td>\n<td class=\"log\">";
3.120     scop     1010:         $filename =~ s%^[^/]+/%%;
3.199     scop     1011:         print &link(htmlquote("$filename/$rev"),
                   1012:                     sprintf('%s/%s%s#rev%s',
3.206     scop     1013:                             uri_escape($file), uri_escape($filename),
3.208     scop     1014:                             $query, $rev)), '<br />';
3.120     scop     1015:         if ($log) {
3.199     scop     1016:           print htmlify(substr($log, 0, $shortLogLen), $allow_dir_extra);
3.120     scop     1017:           print '...' if (length($log) > 80);
                   1018:         }
3.199     scop     1019:
3.120     scop     1020:       } else {
                   1021:         my $dwhere = ($where ne '/' ? $where : '') . $file;
                   1022:
                   1023:         if ($use_descriptions && defined $descriptions{$dwhere}) {
3.199     scop     1024:           print '<td colspan="', ($infocols - 1), '">';
3.120     scop     1025:           print $descriptions{$dwhere};
                   1026:
3.131     scop     1027:         } elsif ($infocols > 1) {
3.120     scop     1028:
                   1029:           # close the row with the appropriate number of
                   1030:           # columns, so that the vertical seperators are visible
                   1031:           my ($cols) = $infocols;
                   1032:           while ($cols > 1) {
                   1033:             print "</td>\n<td>&nbsp;";
                   1034:             $cols--;
                   1035:           }
                   1036:         }
                   1037:       }
                   1038:
3.131     scop     1039:       print "</td>\n</tr>\n";
3.120     scop     1040:       $dirrow++;
3.131     scop     1041:
3.120     scop     1042:     } elsif ($file =~ s/,v$//) {
                   1043:
3.271     scop     1044:       my $fileurl = ($attic ? 'Attic/' : '') . uri_escape_path($file);
3.268     scop     1045:       my $url     = './' . $fileurl . $query;
3.120     scop     1046:       $filesexists++;
                   1047:       next if (!defined($fileinfo{$file}));
3.152     scop     1048:       my ($rev, $date, $log, $author, $filename, $keywordsubst) =
                   1049:         @{$fileinfo{$file}};
3.156     scop     1050:       my $isbinary = $keywordsubst eq 'b' ? 1 : 0;
3.120     scop     1051:       $filesfound++;
3.156     scop     1052:
3.199     scop     1053:       printf "<tr class=\"%s\">\n", ($dirrow % 2) ? 'even' : 'odd';
3.239     scop     1054:       printf '<td class="file"%s>', $allow_cvsgraph ? '' : ' colspan="2"';
3.120     scop     1055:
3.156     scop     1056:       my $icon = $isbinary ? $binfileicon : $fileicon;
3.261     scop     1057:       print $nofilelinks ? $icon : &link($icon, $url);
3.120     scop     1058:       print '&nbsp;', &link(htmlquote($file), $url), $attic;
3.199     scop     1059:       print '</td><td class="graph">', graph_link($fileurl) if $allow_cvsgraph;
3.219     scop     1060:       print "</td>\n<td width=\"30\">", display_link($fileurl, $rev);
3.297     scop     1061:       my $ageclass = 'age';
                   1062:       my $age      = '';
                   1063:       if ($date) {
                   1064:         $age       = readableTime(time() - $date, 0);
                   1065:         $ageclass .= " $1" if ($age =~ /^\d+ ([a-z]+)/);
                   1066:       }
                   1067:       print "</td>\n<td class=\"$ageclass\">$age";
3.199     scop     1068:       print "</td>\n<td class=\"author\">", htmlquote($author) if $show_author;
                   1069:       print "</td>\n<td class=\"log\">";
3.120     scop     1070:
                   1071:       if ($log) {
3.199     scop     1072:         print htmlify(substr($log, 0, $shortLogLen), $allow_dir_extra);
3.120     scop     1073:         print '...' if (length $log > 80);
                   1074:       }
3.131     scop     1075:       print "</td>\n</tr>";
3.120     scop     1076:       $dirrow++;
                   1077:     }
                   1078:     print "\n";
                   1079:   }
                   1080:
3.131     scop     1081:   print "</table>\n";
3.120     scop     1082:
3.150     scop     1083:   if ((my $num = scalar(@unreadable)) && ! $input{hidenonreadable}) {
                   1084:     printf(<<EOF, $num, htmlquote(join(', ', @unreadable)));
                   1085: <p>
3.208     scop     1086:  <b>NOTE:</b> The following %d unreadable files were ignored:<br />
3.150     scop     1087:  <em>%s</em>
                   1088: </p>
                   1089: EOF
                   1090:   }
                   1091:
3.120     scop     1092:   if ($filesexists && !$filesfound) {
3.150     scop     1093:     my $currtag = defined($input{only_with_tag}) ?
                   1094:       sprintf(' (%s)', htmlquote($input{only_with_tag})) : '';
                   1095:     printf(<<EOF, $filesexists, $currtag);
                   1096: <p>
                   1097:  <b>NOTE:</b> There are %d files, but none matches the current tag%s.
                   1098: </p>
                   1099: EOF
3.120     scop     1100:   }
                   1101:
                   1102:   if ($input{only_with_tag} && (!%tags || !$tags{$input{only_with_tag}})) {
                   1103:     %tags = %alltags;
                   1104:   }
                   1105:
                   1106:   if (scalar %tags
                   1107:       || $input{only_with_tag}
                   1108:       || $edit_option_form
3.254     scop     1109:       || defined($input{options}))
3.120     scop     1110:   {
3.208     scop     1111:     print "<hr />\n";
3.120     scop     1112:   }
                   1113:
                   1114:   if (scalar %tags || $input{only_with_tag}) {
3.208     scop     1115:     print "<form method=\"get\" action=\"./\">\n<p>\n";
3.120     scop     1116:     foreach my $var (@stickyvars) {
3.296     scop     1117:       printf("<input type=\"hidden\" name=\"%s\" value=\"%s\" />\n",
                   1118:              $var, htmlquote($input{$var}))
3.120     scop     1119:         if (defined($input{$var})
                   1120:             && (!defined($DEFAULTVALUE{$var})
                   1121:                 || $input{$var} ne $DEFAULTVALUE{$var})
                   1122:             && $var ne 'only_with_tag');
                   1123:     }
3.208     scop     1124:     printf(<<EOF, ($use_java_script ? ' onchange="this.form.submit()"' : ''));
3.239     scop     1125: <span class="nowrap">
3.208     scop     1126: <label for="only_with_tag" accesskey="T">Show only files with tag:
                   1127: <select id="only_with_tag" name="only_with_tag"%s>
                   1128: <option value="">All tags / default branch</option>
                   1129: EOF
3.120     scop     1130:     foreach my $tag (reverse sort { lc $a cmp lc $b } keys %tags) {
3.136     scop     1131:       my $selected =
                   1132:         defined($input{only_with_tag}) && $input{only_with_tag} eq $tag;
                   1133:       printf("<option%s>%s</option>\n",
3.208     scop     1134:              $selected ? ' selected="selected"' : '',
3.136     scop     1135:              htmlquote($tag));
3.120     scop     1136:     }
3.208     scop     1137:     printf(<<EOF, htmlquote($where));
                   1138: </select>
3.239     scop     1139: </label></span> <span class="nowrap">
                   1140: <label for="path" accesskey="P">Module path or alias:
3.208     scop     1141: <input type="text" id="path" name="path" value="%s" size="15" /></label>
3.239     scop     1142: </span>
3.208     scop     1143: <input type="submit" value="Go" accesskey="G" />
                   1144: </p>
                   1145: </form>
                   1146: EOF
3.120     scop     1147:   }
                   1148:
3.188     scop     1149:   if ($allow_tar && $filesfound) {
3.120     scop     1150:     my ($basefile) = ($where =~ m,(?:.*/)?([^/]+),);
3.192     scop     1151:     my $havetar = $CMD{tar} && $CMD{gzip};
                   1152:     my $havezip = $CMD{zip};
                   1153:     if (defined($basefile) && $basefile ne '' && ($havetar || $havezip)) {
3.203     scop     1154:       my $q = ($query ? "$query;" : '?') . 'tarball=1';
3.208     scop     1155:       print "<hr />\n",
3.189     scop     1156:         '<div style="text-align: center">Download this directory in ';
3.192     scop     1157:       # Mangle the filename so browsers show a reasonable filename to download.
                   1158:       my @types = ();
3.271     scop     1159:       $basefile = uri_escape($basefile);
3.192     scop     1160:       push(@types, &link('tarball', "$basefile.tar.gz$q")) if $havetar;
                   1161:       push(@types, &link('zip archive', "$basefile.zip$q")) if $havezip;
                   1162:       print join(' or ', @types), "</div>\n";
3.120     scop     1163:     }
                   1164:   }
                   1165:
3.254     scop     1166:   if ($edit_option_form || defined($input{options})) {
3.120     scop     1167:
3.149     scop     1168:     print <<EOF;
3.270     scop     1169: <form method="get" action="./">
3.189     scop     1170: <fieldset>
                   1171: <legend>General options</legend>
3.208     scop     1172: <input type="hidden" name="copt" value="1" />
3.149     scop     1173: EOF
3.283     scop     1174:     for my $v qw(hidecvsroot hidenonreadable) {
                   1175:       printf(qq{<input type="hidden" name="%s" value="%s" />\n},
                   1176:              $v, $input{$v} || 0);
                   1177:     }
3.120     scop     1178:     if ($cvstree ne $cvstreedefault) {
3.208     scop     1179:       print "<input type=\"hidden\" name=\"cvsroot\" value=\"$cvstree\" />\n";
3.120     scop     1180:     }
3.149     scop     1181:     print <<EOF;
3.265     scop     1182: <table summary="General options">
3.149     scop     1183: <tr>
3.189     scop     1184: <td class="opt-label">
                   1185: <label for="sortby" accesskey="F">Sort files by:</label>
                   1186: </td>
                   1187: <td class="opt-value">
3.149     scop     1188: <select id="sortby" name="sortby">
                   1189: <option value="">File</option>
                   1190: EOF
3.208     scop     1191:     print "<option", $bydate ? ' selected="selected"' : '',
3.120     scop     1192:       " value=\"date\">Age</option>\n";
3.208     scop     1193:     print "<option", $byauthor ? ' selected="selected"' : '',
3.120     scop     1194:       " value=\"author\">Author</option>\n"
3.140     scop     1195:         if $show_author;
3.208     scop     1196:     print "<option", $byrev ? ' selected="selected"' : '',
3.120     scop     1197:       " value=\"rev\">Revision</option>\n";
3.208     scop     1198:     print "<option", $bylog ? ' selected="selected"' : '',
3.120     scop     1199:       " value=\"log\">Log message</option>\n";
3.189     scop     1200:     print <<EOF;
                   1201: </select>,
                   1202: <label for="ignorecase" accesskey="I">case-insensitive:
                   1203: EOF
                   1204:     print '<input id="ignorecase" name="ignorecase" type="checkbox"',
3.208     scop     1205:       $input{ignorecase} ? ' checked="checked"' : '',
                   1206:         " value=\"1\" /></label>\n";
3.189     scop     1207:     print <<EOF;
                   1208: </td>
                   1209: <td class="opt-label">
                   1210: <label for="hideattic" accesskey="A">Hide files in Attic:</label>
                   1211: </td>
                   1212: <td class="opt-value">
                   1213: EOF
                   1214:     print '<input id="hideattic" name="hideattic" type="checkbox"',
3.208     scop     1215:       $input{hideattic} ? ' checked="checked"' : '', ' value="1" />';
3.189     scop     1216:     print <<EOF;
                   1217: </td>
                   1218: </tr>
                   1219: <tr>
                   1220: <td class="opt-label">
                   1221: <label for="logsort" accesskey="L">Sort log by:</label>
                   1222: </td>
                   1223: <td class="opt-value">
                   1224: EOF
3.120     scop     1225:     printLogSortSelect(0);
3.189     scop     1226:     print <<EOF;
                   1227: </td>
                   1228: <td class="opt-label">
                   1229: <label for="ln" accesskey="N">Show line numbers:</label>
                   1230: </td>
                   1231: <td class="opt-value">
                   1232: EOF
                   1233:     print '<input id="ln" name="ln" type="checkbox"',
3.208     scop     1234:       $input{ln} ? ' checked="checked"' : '', " value=\"1\" />\n";
3.189     scop     1235:     print <<EOF;
                   1236: </td>
                   1237: </tr>
                   1238: <tr>
                   1239: <td class="opt-label">
                   1240: <label for="f" accesskey="D">Diff format:</label>
                   1241: </td>
                   1242: <td>
                   1243: EOF
3.120     scop     1244:     printDiffSelect(0);
3.149     scop     1245:     print <<EOF;
3.189     scop     1246: </td>
                   1247: <td colspan="2" class="opt-label">
3.208     scop     1248: <input type="submit" value="Change Options" accesskey="C" />
3.189     scop     1249: </td>
3.149     scop     1250: </tr>
                   1251: </table>
3.189     scop     1252: </fieldset>
3.149     scop     1253: </form>
                   1254: EOF
3.120     scop     1255:   }
                   1256:   html_footer();
3.80      knu      1257: }
3.1       knu      1258:
                   1259: ###############################
                   1260: # View Files
                   1261: ###############################
3.80      knu      1262: elsif (-f $fullname . ',v') {
3.114     scop     1263:
3.254     scop     1264:   if (defined($input{rev}) || $doCheckout) {
3.275     scop     1265:     &doCheckout($fullname, $input{rev}, $input{only_with_tag});
3.120     scop     1266:     gzipclose();
                   1267:     exit;
                   1268:   }
                   1269:
3.254     scop     1270:   if (defined($input{annotate}) && $allow_annotate) {
3.275     scop     1271:     &doAnnotate($input{annotate}, $input{only_with_tag});
3.120     scop     1272:     gzipclose();
                   1273:     exit;
                   1274:   }
                   1275:
3.254     scop     1276:   if (defined($input{r1}) && defined($input{r2})) {
                   1277:     &doDiff($fullname,  $input{r1},  $input{tr1},
                   1278:             $input{r2}, $input{tr2}, $input{f});
3.120     scop     1279:     gzipclose();
                   1280:     exit;
                   1281:   }
3.132     scop     1282:
3.170     scop     1283:   if ($allow_cvsgraph && $input{graph}) {
                   1284:     if ($input{makeimage}) {
                   1285:       doGraph();
3.132     scop     1286:     } else {
3.170     scop     1287:       doGraphView();
3.132     scop     1288:     }
                   1289:     gzipclose();
                   1290:     exit;
                   1291:   }
                   1292:
3.120     scop     1293:   &doLog($fullname);
3.276     scop     1294: }
3.120     scop     1295:
3.276     scop     1296: ##############################
                   1297: # View Diff
                   1298: ##############################
                   1299: elsif ($fullname =~ s/\.diff$//
                   1300:        && -f $fullname . ',v' && $input{r1} && $input{r2})
3.120     scop     1301: {
                   1302:
                   1303:   # $where-diff-removal if 'cvs rdiff' is used
                   1304:   # .. but 'cvs rdiff'doesn't support some options
                   1305:   # rcsdiff does (-w and -p), so it is disabled
                   1306:   # $where =~ s/\.diff$//;
                   1307:
3.189     scop     1308:   # Allow diffs using the ".diff" extension so that browsers that default
                   1309:   # to the filename in the URL when saving don't save diffs as eg. foo.c.
3.254     scop     1310:   &doDiff($fullname,  $input{r1},  $input{tr1},
                   1311:           $input{r2}, $input{tr2}, $input{f});
3.120     scop     1312:   gzipclose();
                   1313:   exit;
                   1314:
3.276     scop     1315: }
                   1316:
                   1317: elsif (do { (my $tmp = $fullname) =~ s|/([^/]+)$|/Attic/$1|; -f "$tmp,v" }) {
3.120     scop     1318:   # The file has been removed and is in the Attic.
                   1319:   # Send a redirect pointing to the file in the Attic.
                   1320:   (my $newplace = $scriptwhere) =~ s|/([^/]+)$|/Attic/$1|;
                   1321:   if ($ENV{QUERY_STRING} ne "") {
3.268     scop     1322:     redirect("$newplace?$ENV{QUERY_STRING}");
3.120     scop     1323:   } else {
                   1324:     redirect($newplace);
                   1325:   }
                   1326:   exit;
3.268     scop     1327:
3.276     scop     1328: }
                   1329:
                   1330: elsif (0 && (my @files = &safeglob($fullname . ",v"))) {
3.120     scop     1331:   http_header("text/plain");
                   1332:   print "You matched the following files:\n";
                   1333:   print join ("\n", @files);
3.80      knu      1334:
3.276     scop     1335:   # TODO:
3.120     scop     1336:   # Find the tags from each file
                   1337:   # Display a form offering diffs between said tags
3.276     scop     1338: }
3.80      knu      1339:
3.276     scop     1340: else {
3.120     scop     1341:   # Assume it's a module name with a potential path following it.
3.268     scop     1342:   my $module;
3.266     scop     1343:   my $xtra = (($module = $where) =~ s|(/.*)||) ? $1 : '';
3.80      knu      1344:
3.120     scop     1345:   # Is there an indexed version of modules?
3.268     scop     1346:   my $fh = do { local (*FH); };
                   1347:   if (open($fh, catfile($cvsroot, 'CVSROOT', 'modules'))) {
3.120     scop     1348:     while (<$fh>) {
                   1349:       if (/^(\S+)\s+(\S+)/o
                   1350:           && $module eq $1
3.268     scop     1351:           && $module ne $2
                   1352:           && -d "$cvsroot/$2")
3.120     scop     1353:       {
3.267     scop     1354:         close($fh);
3.120     scop     1355:         redirect("$scriptname/$2$xtra$query");
                   1356:       }
                   1357:     }
3.267     scop     1358:     close($fh);
3.120     scop     1359:   }
                   1360:   fatal("404 Not Found", '%s: no such file or directory', $where);
3.80      knu      1361: }
3.23      knu      1362:
3.25      knu      1363: gzipclose();
3.80      knu      1364:
3.1       knu      1365: ## End MAIN
                   1366:
3.175     scop     1367:
3.120     scop     1368: sub printDiffSelect($)
                   1369: {
                   1370:   my ($use_java_script) = @_;
                   1371:
                   1372:   print '<select id="f" name="f"';
                   1373:   print ' onchange="this.form.submit()"' if $use_java_script;
                   1374:   print ">\n";
                   1375:
3.175     scop     1376:   for my $difftype (@DIFFTYPES) {
3.120     scop     1377:     printf("<option value=\"%s\"%s>%s</option>\n",
3.208     scop     1378:            $difftype, $input{f} eq $difftype ? ' selected="selected"' : '',
3.175     scop     1379:            "\u$DIFFTYPES{$difftype}{descr}");
3.120     scop     1380:   }
                   1381:
                   1382:   print "</select>";
                   1383: }
                   1384:
3.175     scop     1385:
3.168     scop     1386: sub printDiffSelectStickyVars()
                   1387: {
                   1388:   while (my ($key, $val) = each %input) {
                   1389:     next if ($key eq 'f');
                   1390:     next if (defined($DEFAULTVALUE{$key}) && $DEFAULTVALUE{$key} eq $val);
3.206     scop     1391:     print "<input type=\"hidden\" name=\"", htmlquote($key), "\" value=\"",
3.208     scop     1392:       htmlquote($val), "\" />\n";
3.168     scop     1393:   }
                   1394: }
                   1395:
3.175     scop     1396:
3.120     scop     1397: sub printLogSortSelect($)
                   1398: {
                   1399:   my ($use_java_script) = @_;
                   1400:
                   1401:   print '<select id="logsort" name="logsort"';
                   1402:   print ' onchange="this.form.submit()"' if $use_java_script;
                   1403:   print ">\n";
                   1404:
3.175     scop     1405:   for my $sortkey (@LOGSORTKEYS) {
3.120     scop     1406:     printf("<option value=\"%s\"%s>%s</option>\n",
3.208     scop     1407:            $sortkey, $logsort eq $sortkey ? ' selected="selected"' : '',
3.175     scop     1408:            "\u$LOGSORTKEYS{$sortkey}{descr}");
3.120     scop     1409:   }
                   1410:
                   1411:   print "</select>";
                   1412: }
                   1413:
3.175     scop     1414:
3.197     scop     1415: #
                   1416: # Find the last modified, version controlled files in the given directories.
                   1417: # Compares solely based on modification timestamps.  Files in the returned list
                   1418: # are without the ,v suffix, and unreadable files have been filtered out.
                   1419: #
3.120     scop     1420: sub findLastModifiedSubdirs(@)
                   1421: {
                   1422:   my (@dirs) = @_;
                   1423:
3.175     scop     1424:   my @files;
                   1425:   foreach my $dirname (@dirs) {
3.196     scop     1426:     next if ($dirname eq curdir() || $dirname eq updir());
                   1427:     my $dir = catdir($fullname, $dirname);
3.120     scop     1428:     next if (!-d $dir);
                   1429:
                   1430:     my $dh = do { local (*DH); };
                   1431:     opendir($dh, $dir) or next;
3.233     scop     1432:     my (@filenames) = grep(!forbidden(catfile($dir, $_)), readdir($dh));
3.120     scop     1433:     closedir($dh);
                   1434:
3.175     scop     1435:     my $lastmod     = undef;
                   1436:     my $lastmodtime = undef;
3.120     scop     1437:     foreach my $filename (@filenames) {
3.197     scop     1438:       ($filename) =
                   1439:         (catfile($dirname, $filename) =~ VALID_PATH) or next; # untaint
3.196     scop     1440:       my ($file) = catfile($fullname, $filename);
3.197     scop     1441:       next if ($filename !~ /,v$/o || !-f $file || !-r _);
                   1442:       my $modtime = -M _;
3.120     scop     1443:       if (!defined($lastmod) || $modtime < $lastmodtime) {
3.233     scop     1444:         ($lastmod    = $filename) =~ s/,v$//;
3.120     scop     1445:         $lastmodtime = $modtime;
                   1446:       }
                   1447:     }
3.175     scop     1448:     push(@files, $lastmod) if (defined($lastmod));
3.120     scop     1449:   }
                   1450:   return @files;
                   1451: }
                   1452:
3.175     scop     1453:
3.120     scop     1454: sub htmlify_sub(&$)
                   1455: {
                   1456:   (my $proc, local $_) = @_;
3.261     scop     1457:   my @a = split(m|(<a [^>]+>[^<]*</a>)|i);
3.120     scop     1458:   my $linked;
                   1459:   my $result = '';
                   1460:
                   1461:   while (($_, $linked) = splice(@a, 0, 2)) {
                   1462:     &$proc();
                   1463:     $result .= $_      if defined($_);
                   1464:     $result .= $linked if defined($linked);
                   1465:   }
                   1466:
3.175     scop     1467:   return $result;
3.120     scop     1468: }
                   1469:
3.175     scop     1470:
3.120     scop     1471: sub htmlify($;$)
                   1472: {
                   1473:   (local $_, my $extra) = @_;
                   1474:
                   1475:   $_ = htmlquote($_);
                   1476:
                   1477:   # get URL's as link
                   1478:   s{
3.130     scop     1479:     ((https?|ftp)://.+?)([\s\']|&(quot|[lg]t);)
3.120     scop     1480:    }{
3.130     scop     1481:      &link($1, htmlunquote($1)) . $3
3.120     scop     1482:    }egx;
                   1483:
3.290     scop     1484:   if ($allow_mailtos) {
                   1485:     # Make mailto: links from email addresses.
                   1486:     $_ = htmlify_sub {
                   1487:       s<
                   1488:         ([\w+=\-.!]+@[\w\-]+(?:\.[\w\-]+)+)
                   1489:        ><
                   1490:          &link($1, "mailto:$1")
                   1491:        >egix;
                   1492:     } $_;
                   1493:   }
3.120     scop     1494:
                   1495:   if ($extra) {
                   1496:
                   1497:     # get PR #'s as link: "PR#nnnn" "PR: nnnn, ..." "PR nnnn, ..." "bin/nnnn"
                   1498:     if (defined($prcgi) && defined($re_prkeyword)) {
                   1499:       my $prev;
                   1500:
                   1501:       do {
                   1502:         $prev = $_;
                   1503:         $_ = htmlify_sub {
                   1504:           s{
                   1505:             (\b$re_prkeyword[:\#]?\s*
                   1506:              (?:
                   1507:               \#?
                   1508:               \d+[,\s]\s*
                   1509:              )*
                   1510:              \#?)
                   1511:             (\d+)\b
                   1512:            }{
                   1513:              $1 . &link($2, sprintf($prcgi, $2))
                   1514:            }egix;
                   1515:         } $_;
                   1516:       } while ($_ ne $prev);
                   1517:
                   1518:       if (defined($re_prcategories)) {
                   1519:         $_ = htmlify_sub {
                   1520:           s{
                   1521:             (\b$re_prcategories/(\d+)\b)
                   1522:            }{
                   1523:              &link($1, sprintf($prcgi, $2))
                   1524:            }egox;
                   1525:         } $_;
                   1526:       }
                   1527:     }
                   1528:
                   1529:     # get manpage specs as link: "foo.1" "foo(1)"
                   1530:     if (defined($mancgi)) {
                   1531:       $_ = htmlify_sub {
                   1532:         s{
3.143     knu      1533:           (
                   1534:            \b ( \w[\w+\-.]* (?: ::\w[\w+\-.]*)* )
3.120     scop     1535:            (?:
3.143     knu      1536:             \( ([0-9n]) \) \B
3.120     scop     1537:             |
3.143     knu      1538:             \. ([0-9n]) \b
3.120     scop     1539:            )
                   1540:           )
                   1541:          }{
3.149     scop     1542:             my($text, $name, $section) = ($1, $2, defined($3) ? $3 : $4);
                   1543:             ($name =~ /[A-Za-z]/ && $name !~ /\.(:|$)/)
3.271     scop     1544:              ? &link($text, sprintf($mancgi, $section, uri_escape($name)))
3.149     scop     1545:               : $text;
3.120     scop     1546:          }egx;
                   1547:       } $_;
                   1548:     }
                   1549:   }
                   1550:
3.175     scop     1551:   return $_;
3.120     scop     1552: }
                   1553:
3.175     scop     1554:
3.120     scop     1555: sub spacedHtmlText($;$)
                   1556: {
3.175     scop     1557:   (local $_, my $ts) = @_;
3.224     scop     1558:   return '' unless defined($_);
3.284     scop     1559:   $ts ||= $tabstop || 8;
3.120     scop     1560:
3.286     scop     1561:   # Expand tabs
                   1562:   1 while s/(.*?)(\t+)/$1 . ' ' x (length($2) * $ts - length($1) % $ts)/e;
3.120     scop     1563:
                   1564:   if ($hr_breakable) {
3.277     scop     1565:     s/^ /\001nbsp;/;      # protect leading and...
                   1566:     s/ $/\001nbsp;/;      # ...trailing whitespace (mostly for String::Ediff),
                   1567:     s/  / \001nbsp;/g;    # ...and leave every other space 'breakable'
3.120     scop     1568:   } else {
                   1569:     s/ /\001nbsp;/g;
                   1570:   }
                   1571:
                   1572:   $_ = htmlify($_, $allow_source_extra);
                   1573:
                   1574:   # unescape
                   1575:   y/\001/&/;
                   1576:
                   1577:   return $_;
                   1578: }
                   1579:
3.175     scop     1580:
3.120     scop     1581: # Note that this doesn't htmlquote the first argument...
                   1582: sub link($$)
                   1583: {
                   1584:   my ($name, $url) = @_;
3.271     scop     1585:   return sprintf('<a href="%s">%s</a>', htmlquote($url), $name);
3.120     scop     1586: }
                   1587:
3.175     scop     1588:
3.120     scop     1589: sub revcmp($$)
                   1590: {
                   1591:   my ($rev1, $rev2) = @_;
                   1592:
                   1593:   # make no comparison for a tag or a branch
                   1594:   return 0 if $rev1 =~ /[^\d.]/ || $rev2 =~ /[^\d.]/;
                   1595:
3.261     scop     1596:   my (@r1) = split(/\./, $rev1);
                   1597:   my (@r2) = split(/\./, $rev2);
3.120     scop     1598:   my ($a, $b);
                   1599:
3.261     scop     1600:   while (($a = shift(@r1)) && ($b = shift(@r2))) {
                   1601:     return $a <=> $b unless ($a == $b);
3.120     scop     1602:   }
                   1603:   if (@r1) { return  1; }
                   1604:   if (@r2) { return -1; }
                   1605:   return 0;
                   1606: }
                   1607:
3.175     scop     1608:
3.287     scop     1609: #
                   1610: # Signal a fatal error.
                   1611: #
3.120     scop     1612: sub fatal($$@)
                   1613: {
                   1614:   my ($errcode, $format, @args) = @_;
3.185     scop     1615:   print "Status: $errcode\r\n";
3.131     scop     1616:   html_header('Error');
3.215     scop     1617:   print '<div id="error">Error: ',
                   1618:     sprintf($format, map(htmlquote($_), @args)), "</div>\n";
3.120     scop     1619:   html_footer();
                   1620:   exit(1);
                   1621: }
                   1622:
3.175     scop     1623:
3.269     scop     1624: #
3.287     scop     1625: # Signal a (fatal) configuration error.
                   1626: #
                   1627: sub config_error($$)
                   1628: {
                   1629:   fatal('500 Internal Error',
                   1630:         'Error loading configuration file "<code>%s</code>":<br /><br />' .
                   1631:         '%s<br />', @_);
                   1632: }
                   1633:
                   1634:
                   1635: #
3.269     scop     1636: # Sends a redirect to the given URL.
                   1637: #
                   1638: sub redirect($;$)
3.120     scop     1639: {
3.269     scop     1640:   my ($url, $permanent) = @_;
                   1641:   my ($status, $text);
                   1642:   if ($permanent) {
                   1643:     $status = '301';
                   1644:     $text   = 'Moved Permanently';
                   1645:   } else {
                   1646:     $status = '302';
                   1647:     $text   = 'Found';
                   1648:   }
                   1649:   print "Status: $status $text\r\n", "Location: $url\r\n";
                   1650:   html_header($text);
                   1651:   print "<p>This document has moved ", &link('here', $url), ".</p>\n";
3.120     scop     1652:   html_footer();
                   1653:   exit(1);
                   1654: }
                   1655:
3.175     scop     1656:
3.120     scop     1657: sub safeglob($)
                   1658: {
                   1659:   my ($filename) = @_;
                   1660:
3.175     scop     1661:   (my $dirname = $filename) =~ s|/[^/]+$||;
3.120     scop     1662:   $filename =~ s|.*/||;
                   1663:
3.175     scop     1664:   my @results;
                   1665:   my $dh = do { local (*DH); };
3.120     scop     1666:   if (opendir($dh, $dirname)) {
                   1667:     my $glob = $filename;
                   1668:     my $t;
                   1669:
3.149     scop     1670:     #   transform filename from glob to regex.  Deal with:
                   1671:     #   [, {, ?, * as glob chars
                   1672:     #   make sure to escape all other regex chars
3.120     scop     1673:     $glob =~ s/([\.\(\)\|\+])/\\$1/g;
                   1674:     $glob =~ s/\*/.*/g;
                   1675:     $glob =~ s/\?/./g;
                   1676:     $glob =~ s/{([^}]+)}/($t = $1) =~ s-,-|-g; "($t)"/eg;
3.222     scop     1677:     $glob = qr/^$glob$/;
                   1678:
3.120     scop     1679:     foreach (readdir($dh)) {
3.222     scop     1680:       if ($_ =~ $glob && $_ =~ VALID_PATH) {
3.194     scop     1681:         push(@results, catfile($dirname, $1)); # untaint
3.120     scop     1682:       }
                   1683:     }
                   1684:     closedir($dh);
                   1685:   }
                   1686:
3.175     scop     1687:   return @results;
3.120     scop     1688: }
                   1689:
3.160     scop     1690:
3.227     scop     1691: #
3.230     scop     1692: # Searches @command_path for the given executable file.
3.227     scop     1693: #
3.120     scop     1694: sub search_path($)
                   1695: {
                   1696:   my ($command) = @_;
3.230     scop     1697:   for my $d (@command_path) {
3.227     scop     1698:     my $cmd = catfile($d, $command);
                   1699:     return $cmd if (-x $cmd && !-d _);
3.120     scop     1700:   }
                   1701:   return '';
                   1702: }
                   1703:
3.156     scop     1704:
3.219     scop     1705: #
                   1706: # Gets the enscript(1) highlight mode corresponding to the given filename,
                   1707: # or undef if unsupported.
                   1708: #
                   1709: sub getEnscriptHL($)
                   1710: {
                   1711:   return undef unless $allow_enscript;
                   1712:   my ($filename) = @_;
                   1713:   while (my ($hl, $regex) = each %enscript_types) {
                   1714:     return $hl if ($filename =~ $regex);
                   1715:   }
                   1716:   return undef;
                   1717: }
                   1718:
                   1719:
                   1720: #
                   1721: # Gets the MIME type for the given file name.
                   1722: #
3.156     scop     1723: sub getMimeType($;$)
3.120     scop     1724: {
3.156     scop     1725:   my ($fullname, $binary) = @_;
                   1726:   $binary = ($keywordsubstitution && $keywordsubstitution =~ /b/)
                   1727:     unless defined($binary);
                   1728:
                   1729:   (my $suffix = $fullname) =~ s/^.*\.([^.]*)$/$1/;
                   1730:
                   1731:   my $mimetype = $MTYPES{$suffix};
                   1732:   $mimetype  ||= $MimeTypes->mimeTypeOf($fullname) if defined($MimeTypes);
                   1733:
                   1734:   if (!$mimetype && $suffix ne '*' && -f $mime_types && -r _) {
                   1735:     my $fh = do { local (*FH); };
                   1736:     if (open($fh, $mime_types)) {
                   1737:       my $re = sprintf('^\s*(\S+\/\S+)\s.+\b%s\b', quotemeta($suffix));
3.222     scop     1738:       $re = qr/$re/;
3.156     scop     1739:       while (my $line = <$fh>) {
                   1740:         if ($line =~ $re) {
                   1741:           $mimetype = $1;
                   1742:           $MTYPES{$suffix} = $mimetype;
                   1743:           last;
                   1744:         }
3.120     scop     1745:       }
3.156     scop     1746:       close($fh);
                   1747:     } else {
                   1748:       warn("Can't open MIME types file $mime_types for reading: $!");
3.120     scop     1749:     }
                   1750:   }
                   1751:
3.156     scop     1752:   $mimetype ||= $MTYPES{'*'};
                   1753:   $mimetype ||= $binary ? 'application/octet-stream' : 'text/plain';
3.120     scop     1754:   return $mimetype;
3.1       knu      1755: }
                   1756:
3.156     scop     1757:
3.1       knu      1758: ###############################
3.24      knu      1759: # read first lines like head(1)
                   1760: ###############################
3.120     scop     1761: sub head($;$)
                   1762: {
3.175     scop     1763:   my ($fh, $linecount) = @_;
                   1764:   $linecount ||= 10;
3.24      knu      1765:
3.120     scop     1766:   my @buf;
                   1767:   if ($linecount > 0) {
3.184     scop     1768:     for (my $i = 0; !eof($fh) && $i < $linecount; $i++) {
3.120     scop     1769:       push @buf, scalar <$fh>;
                   1770:     }
                   1771:   } else {
                   1772:     @buf = <$fh>;
                   1773:   }
3.175     scop     1774:   return @buf;
                   1775: }
3.120     scop     1776:
3.24      knu      1777:
                   1778: ###############################
                   1779: # scan vim and Emacs directives
                   1780: ###############################
3.120     scop     1781: sub scan_directives(@)
                   1782: {
                   1783:   my $ts = undef;
3.24      knu      1784:
3.120     scop     1785:   for (@_) {
                   1786:     $ts = $1 if /\b(?:ts|tabstop|tab-width)[:=]\s*([1-9]\d*)\b/;
                   1787:   }
3.24      knu      1788:
3.120     scop     1789:   ('tabstop' => $ts);
3.24      knu      1790: }
                   1791:
3.175     scop     1792:
3.120     scop     1793: sub openOutputFilter()
                   1794: {
3.175     scop     1795:   return unless $output_filter;
3.86      knu      1796:
3.120     scop     1797:   open(STDOUT, "|-") and return;
3.86      knu      1798:
3.120     scop     1799:   # child of child
3.273     scop     1800:   open(STDERR, '>', devnull()) unless $DEBUG;
3.120     scop     1801:   exec($output_filter) or exit -1;
3.86      knu      1802: }
                   1803:
3.175     scop     1804:
3.24      knu      1805: ###############################
3.1       knu      1806: # show Annotation
                   1807: ###############################
3.275     scop     1808: sub doAnnotate($$)
3.120     scop     1809: {
3.275     scop     1810:   my ($rev, $tag) = @_;
                   1811:   $rev = $tag || 'HEAD' if ($rev eq '.');
3.262     scop     1812:   (my $pathname = $where) =~ s|((?<=/)Attic/)?[^/]*$||;
3.261     scop     1813:   (my $filename = $where) =~ s|^.*/||;
3.126     scop     1814:
3.174     scop     1815:   # This annotate version is based on the cvs annotate-demo Perl script by
                   1816:   # Cyclic Software.  It was written by Cyclic Software,
                   1817:   # http://www.cyclic.com/, and is in the public domain.
                   1818:   # We could abandon the use of rlog, rcsdiff and co using
                   1819:   # the cvs server in a similiar way one day (..after rewrite).
                   1820:
                   1821:   local (*CVS_IN, *CVS_OUT);
3.215     scop     1822:   my $annotate_err;
3.174     scop     1823:   my ($h, $err) =
                   1824:     startproc([ $CMD{cvs}, @annotate_options, 'server' ],
3.215     scop     1825:               '<pipe', \*CVS_IN, '>pipe', \*CVS_OUT,
3.229     scop     1826:               '2>', \$annotate_err);
3.215     scop     1827:   fatal('500 Internal Error',
                   1828:         'Annotate failure (exit status %s), output: <pre>%s</pre>',
                   1829:         $? >> 8 || -1, $err)
                   1830:     unless $h;
3.120     scop     1831:
                   1832:   # OK, first send the request to the server.  A simplified example is:
                   1833:   #     Root /home/kingdon/zwork/cvsroot
                   1834:   #     Argument foo/xx
                   1835:   #     Directory foo
                   1836:   #     /home/kingdon/zwork/cvsroot/foo
                   1837:   #     Directory .
                   1838:   #     /home/kingdon/zwork/cvsroot
                   1839:   #     annotate
                   1840:   # although as you can see there are a few more details.
                   1841:
3.174     scop     1842:   print CVS_IN "Root $cvsroot\n";
                   1843:   print CVS_IN
3.120     scop     1844:     "Valid-responses ok error Valid-requests Checked-in Updated Merged Removed M E\n";
                   1845:
                   1846:   # Don't worry about sending valid-requests, the server just needs to
                   1847:   # support "annotate" and if it doesn't, there isn't anything to be done.
3.174     scop     1848:   print CVS_IN "UseUnchanged\n";
                   1849:   print CVS_IN "Argument -r\n";
                   1850:   print CVS_IN "Argument $rev\n";
                   1851:   print CVS_IN "Argument $where\n";
3.120     scop     1852:
                   1853:   # The protocol requires us to fully fake a working directory (at
                   1854:   # least to the point of including the directories down to the one
                   1855:   # containing the file in question).
3.123     scop     1856:   # So if $where is "dir/sdir/file", then dirs will be ("dir","sdir","file")
                   1857:   my $path = '';
                   1858:   foreach my $dir (split('/', $where)) {
3.120     scop     1859:
                   1860:     if ($path eq "") {
3.123     scop     1861:       # In our example, $dir is "dir".
                   1862:       $path = $dir;
3.120     scop     1863:     } else {
3.174     scop     1864:       print CVS_IN "Directory $path\n";
                   1865:       print CVS_IN "$cvsroot/$path\n";
3.120     scop     1866:
                   1867:       # In our example, $_ is "sdir" and $path becomes "dir/sdir"
                   1868:       # And the next time, "file" and "dir/sdir/file" (which then gets
                   1869:       # ignored, because we don't need to send Directory for the file).
3.123     scop     1870:       $path .= "/$dir";
3.120     scop     1871:     }
                   1872:   }
3.123     scop     1873:   undef $path;
3.120     scop     1874:
                   1875:   # And the last "Directory" before "annotate" is the top level.
3.174     scop     1876:   print CVS_IN "Directory .\n";
                   1877:   print CVS_IN "$cvsroot\n";
3.120     scop     1878:
3.174     scop     1879:   print CVS_IN "annotate\n";
3.120     scop     1880:
                   1881:   # OK, we've sent our command to the server.  Thing to do is to
3.215     scop     1882:   # close the writer side and get all the responses.
                   1883:   if (!close(CVS_IN)) {
3.229     scop     1884:     $h->finish();
3.215     scop     1885:     fatal('500 Internal Error',
                   1886:           'Annotate failure (exit status %s): <code>%s</code>, output: ' .
                   1887:           '<pre>%s</pre>', $? >> 8, $!, $annotate_err);
                   1888:   }
3.120     scop     1889:
3.133     scop     1890:   navigateHeader($scriptwhere, $pathname, $filename, $rev, 'annotate');
3.120     scop     1891:
3.275     scop     1892:   my $revtype = ($rev =~ /\./) ? 'revision' : 'tag'; # TODO: tag -> branch/tag?
3.136     scop     1893:   print '<h3 style="text-align: center">Annotation of ',
3.275     scop     1894:     htmlquote("$pathname$filename"), ", $revtype $rev</h3>\n";
3.120     scop     1895:
                   1896:   # Ready to get the responses from the server.
                   1897:   # For example:
                   1898:   #     E Annotations for foo/xx
                   1899:   #     E ***************
                   1900:   #     M 1.3          (kingdon  06-Sep-97): hello
                   1901:   #     ok
                   1902:   my ($lineNr) = 0;
                   1903:   my ($oldLrev, $oldLusr) = ("", "");
                   1904:   my ($revprint, $usrprint);
                   1905:
                   1906:   if ($annTable) {
3.179     scop     1907:     print <<EOF;
                   1908: <table style="border: none" cellspacing="0" cellpadding="0" summary="Annotation">
                   1909: EOF
3.120     scop     1910:   } else {
                   1911:     print "<pre>";
                   1912:   }
                   1913:
                   1914:   # prefetch several lines
3.174     scop     1915:   my @buf = head(*CVS_OUT);
3.120     scop     1916:
                   1917:   my %d = scan_directives(@buf);
                   1918:
3.174     scop     1919:   while (@buf || !eof(*CVS_OUT)) {
3.197     scop     1920:
3.174     scop     1921:     $_ = @buf ? shift @buf : <CVS_OUT>;
3.120     scop     1922:     my @words = split;
                   1923:
                   1924:     # Adding one is for the (single) space which follows $words[0].
                   1925:     my $rest = substr($_, length($words[0]) + 1);
                   1926:     if ($words[0] eq "E") {
                   1927:       next;
                   1928:     } elsif ($words[0] eq "M") {
                   1929:       $lineNr++;
                   1930:       (my $lrev = substr($_, 2,  13)) =~ y/ //d;
                   1931:       (my $lusr = substr($_, 16, 9))  =~ y/ //d;
                   1932:       my $line = substr($_, 36);
3.275     scop     1933:       # TODO: this does not work for branch/tag revisions.
3.120     scop     1934:       my $isCurrentRev = ($rev eq $lrev);
                   1935:
                   1936:       # we should parse the date here ..
                   1937:       if ($lrev eq $oldLrev) {
                   1938:         $revprint = sprintf('%-8s', '');
                   1939:       } else {
                   1940:         $revprint = sprintf('%-8s', $lrev);
3.266     scop     1941:         $revprint =~ s|(\S+)|&link($1, uri_escape($filename)."$query#rev$1")|e;
3.120     scop     1942:         $oldLusr = '';
                   1943:       }
                   1944:
3.268     scop     1945:       $usrprint = ($lusr eq $oldLusr) ? '' : $lusr;
3.120     scop     1946:       $oldLrev = $lrev;
                   1947:       $oldLusr = $lusr;
                   1948:
3.250     scop     1949:       print $is_textbased ? '<b>' : '<span class="current-rev">'
                   1950:         if $isCurrentRev;
3.120     scop     1951:
3.136     scop     1952:       $usrprint = sprintf('%-8s', $usrprint);
                   1953:       printf '%s%s %s %4d:', $revprint, $isCurrentRev ? '!' : ' ',
                   1954:         htmlquote($usrprint), $lineNr;
3.254     scop     1955:       print spacedHtmlText($line, $d{tabstop});
3.120     scop     1956:
3.250     scop     1957:       print $is_textbased ? '</b>' : '</span>' if $isCurrentRev;
                   1958:
3.120     scop     1959:     } elsif ($words[0] eq "ok") {
                   1960:       # We could complain about any text received after this, like the
                   1961:       # CVS command line client.  But for simplicity, we don't.
3.275     scop     1962:
3.120     scop     1963:     } elsif ($words[0] eq "error") {
                   1964:       fatal("500 Internal Error",
                   1965:             'Error occured during annotate: <b>%s</b>', $_);
                   1966:     }
                   1967:   }
3.229     scop     1968:   $h->finish();
3.120     scop     1969:
                   1970:   if ($annTable) {
                   1971:     print "</table>";
                   1972:   } else {
                   1973:     print "</pre>";
                   1974:   }
3.124     scop     1975:   html_footer();
3.1       knu      1976: }
                   1977:
                   1978: ###############################
                   1979: # make Checkout
                   1980: ###############################
3.275     scop     1981: sub doCheckout($$$)
3.120     scop     1982: {
3.275     scop     1983:   my ($fullname, $rev, $tag) = @_;
                   1984:   $rev = $tag || undef if (!$rev || $rev eq '.');
3.120     scop     1985:
3.219     scop     1986:   # Start resolving whether we will do a markup view or not.
                   1987:   my $do_markup = undef;
3.226     scop     1988:   my $want_type = $input{'content-type'};
                   1989:
3.219     scop     1990:   # No markup if markup disallowed.
                   1991:   $do_markup = 0 unless $allow_markup;
3.226     scop     1992:
3.219     scop     1993:   # No markup if checkout magic cookie in URL.
                   1994:   $do_markup = 0 if (!defined($do_markup) && $doCheckout);
3.226     scop     1995:
3.219     scop     1996:   # Do markup if explicitly asked using cvsweb-markup content type.  If the
                   1997:   # asked content type is anything else, no markup.
3.226     scop     1998:   if (!defined($do_markup) && $want_type) {
                   1999:     if ($want_type =~ CVSWEBMARKUP) {
                   2000:       $want_type = undef;
                   2001:       $do_markup = 1;
                   2002:     } else {
                   2003:       $do_markup = 0;
                   2004:     }
3.219     scop     2005:   }
                   2006:
                   2007:   # Ok, if $do_markup is still undefined, we know that a download has not been
                   2008:   # explicitly asked.  For the last check further down below we'll need to
                   2009:   # know if the file is binary, and possibly run a log on it.
                   2010:   my $needlog = $do_markup || $use_moddate;
3.120     scop     2011:
3.163     scop     2012:   my $moddate = undef;
3.175     scop     2013:   my $revopt;
3.120     scop     2014:   if (defined($rev)) {
                   2015:     $revopt = "-r$rev";
3.219     scop     2016:     if ($needlog) {
3.120     scop     2017:       readLog($fullname, $rev);
3.275     scop     2018:       $moddate   = $date{$rev};
                   2019:       # TODO: even this does not work for branch tags, but only normal tags :(
                   2020:       $moddate ||= $date{$symrev{$rev}} if defined($symrev{$rev});
3.120     scop     2021:     }
                   2022:   } else {
                   2023:     $revopt = "-rHEAD";
3.219     scop     2024:     if ($needlog) {
3.120     scop     2025:       readLog($fullname);
                   2026:       $moddate = $date{$symrev{HEAD}};
                   2027:     }
                   2028:   }
                   2029:
3.194     scop     2030:   my $cr = abs_path($cvsroot) || $cvsroot;
                   2031:   # abs_path() taints when run as a CGI...
                   2032:   if ($cr =~ VALID_PATH) {
                   2033:     $cr = $1;
                   2034:   } else {
                   2035:     fatal('500 Internal Error', 'Illegal CVS root: <code>%s</code>', $cr);
                   2036:   }
3.183     scop     2037:   # Use abs_path() to work around a bug of cvs -p; expand symlinks if we can.
3.194     scop     2038:   my @cmd = ($CMD{cvs}, @cvs_options, '-d', $cr, 'co', '-p', $revopt, $where);
3.183     scop     2039:
3.174     scop     2040:   local (*CVS_OUT, *CVS_ERR);
                   2041:   my ($h, $err) =
3.229     scop     2042:     startproc(\@cmd, \"", '>pipe', \*CVS_OUT, '2>pipe', \*CVS_ERR);
3.215     scop     2043:   fatal('500 Internal Error',
                   2044:         'Checkout failure (exit status %s), output: <pre>%s</pre>',
                   2045:         $? >> 8 || -1, $err)
                   2046:     unless $h;
3.120     scop     2047:
3.174     scop     2048:   if (eof(CVS_ERR)) {
3.229     scop     2049:     $h->finish();
3.120     scop     2050:     fatal("404 Not Found", '%s is not (any longer) pertinent', $where);
                   2051:   }
                   2052:
                   2053:   #===================================================================
                   2054:   #Checking out squid/src/ftp.c
                   2055:   #RCS:  /usr/src/CVS/squid/src/ftp.c,v
                   2056:   #VERS: 1.1.1.28.6.2
                   2057:   #***************
                   2058:
                   2059:   # Parse CVS header
                   2060:   my ($revision, $filename, $cvsheader);
                   2061:   $filename = "";
3.174     scop     2062:   while (<CVS_ERR>) {
3.120     scop     2063:     last if (/^\*\*\*\*/);
                   2064:     $revision = $1 if (/^VERS: (.*)$/);
                   2065:
                   2066:     if (/^Checking out (.*)$/) {
3.214     scop     2067:       ($filename = $1) =~ s|^\./+||;
3.120     scop     2068:     }
                   2069:     $cvsheader .= $_;
                   2070:   }
3.219     scop     2071:   close(CVS_ERR);
3.120     scop     2072:
                   2073:   if ($filename ne $where) {
3.229     scop     2074:     $h->finish();
3.120     scop     2075:     fatal("500 Internal Error",
3.214     scop     2076:           'Unexpected output from cvs co: <pre>%s</pre> ' .
                   2077:           '(expected "<code>%s</code>" but got "<code>%s</code>")',
                   2078:           $cvsheader, $where, $filename);
3.120     scop     2079:   }
                   2080:
3.219     scop     2081:   # Last checks whether we'll do markup or not.
                   2082:   my $isbin = $keywordsubstitution && $keywordsubstitution =~ /b/;
                   2083:   my $mimetype = getMimeType($fullname, $isbin);
                   2084:
                   2085:   # If we still are not sure whether to do markup or not:
                   2086:   # if the MIME type is "viewable" or this is not a binary file, do.
                   2087:   $do_markup = !$isbin || viewable($mimetype) unless defined($do_markup);
                   2088:
                   2089:   if ($do_markup) {
                   2090:
                   2091:     # If this is something we'll be linking to in the markup view, we are
                   2092:     # done with this particular output from "cvs co" and must discard it.
                   2093:     my $linked = $mimetype =~ m{^image/|application/pdf$}i;
                   2094:     if ($linked) {
                   2095:       close(CVS_OUT);
3.229     scop     2096:       $h->finish();
3.219     scop     2097:     }
                   2098:
3.163     scop     2099:     # Here we know the last modified date, but don't know if tags have been
3.219     scop     2100:     # added afterwards (those are shown in the markup view): no last-modified.
                   2101:     cvswebMarkup(\*CVS_OUT, $fullname, $revision, $isbin, $mimetype, $needlog);
                   2102:
3.229     scop     2103:     $h->finish() unless $linked;
3.219     scop     2104:
3.120     scop     2105:   } else {
3.226     scop     2106:     http_header($want_type || $mimetype, $moddate);
3.174     scop     2107:     local $/ = undef;
                   2108:     print <CVS_OUT>;
3.229     scop     2109:     $h->finish();
3.120     scop     2110:   }
1.12      fenner   2111: }
                   2112:
3.174     scop     2113:
3.219     scop     2114: sub cvswebMarkup($$$$$$;$)
3.120     scop     2115: {
3.219     scop     2116:   my ($filehandle, $fullname, $rev, $isbin, $mimetype, $logged, $mod) = @_;
3.1       knu      2117:
3.262     scop     2118:   (my $pathname = $where) =~ s|((?<=/)Attic/)?[^/]*$||;
3.261     scop     2119:   (my $filename = $where) =~ s|^.*/||;
3.120     scop     2120:
3.219     scop     2121:   navigateHeader($scriptwhere, $pathname, $filename, $rev, 'view', $mod);
3.120     scop     2122:
3.144     scop     2123:   print <<EOF;
3.208     scop     2124: <hr />
3.182     scop     2125: <div class="log-markup">
                   2126: File:&nbsp;
3.144     scop     2127: EOF
3.219     scop     2128:   print &clickablePath($where, 1), "<br />\n";
3.120     scop     2129:
                   2130:   if ($show_log_in_markup) {
3.219     scop     2131:     readLog($fullname) unless $logged; #,$rev);
                   2132:     printLog($rev, $mimetype, $isbin);
3.120     scop     2133:   } else {
3.244     scop     2134:     print "Revision: <b>$rev</b><br />\n";
                   2135:     print 'Tag: ', htmlquote($input{only_with_tag}), "<br />\n"
3.120     scop     2136:       if $input{only_with_tag};
                   2137:   }
3.208     scop     2138:   print "</div>\n<hr />";
3.271     scop     2139:   my $url = download_url(uri_escape($filename), $rev, $mimetype);
3.120     scop     2140:
3.219     scop     2141:   if ($mimetype =~ m|^image/|i) {
3.208     scop     2142:     printf '<img src="%s" alt="%s" /><br />',
3.271     scop     2143:       $url . $barequery, htmlquote($filename);
3.219     scop     2144:   } elsif (lc($mimetype) eq 'application/pdf') {
3.208     scop     2145:     printf '<embed src="%s" width="100%%" height="100%%" /><br />',
3.271     scop     2146:       $url . $barequery;
3.120     scop     2147:   } else {
                   2148:
3.208     scop     2149:     print "<pre>\n";
3.167     scop     2150:     my $linenumbers = $input{ln} || 0;
3.149     scop     2151:
3.219     scop     2152:     if (my $enscript_hl = getEnscriptHL($filename)) {
3.167     scop     2153:       doEnscript($filehandle, $enscript_hl, $linenumbers);
3.148     scop     2154:
                   2155:     } else {
3.200     scop     2156:       my $ln  = 0;
                   2157:       my @buf = ();
                   2158:       my $ts  = undef;
                   2159:
                   2160:       if ($preformat_in_markup) {
                   2161:         # prefetch several lines
                   2162:         @buf = head($filehandle);
                   2163:         my %d = scan_directives(@buf);
                   2164:         $ts = $d{tabstop};
                   2165:       }
                   2166:
                   2167:       while (@buf || !eof($filehandle)) {
                   2168:         $_ = @buf ? shift @buf : <$filehandle>;
3.167     scop     2169:         if ($linenumbers) {
                   2170:           $ln++;
                   2171:           printf '<a id="l%d" class="src">%5d: </a>', ($ln) x 2;
3.149     scop     2172:         }
3.200     scop     2173:         print $preformat_in_markup ? spacedHtmlText($_, $ts) : htmlquote($_);
3.148     scop     2174:       }
3.120     scop     2175:     }
3.149     scop     2176:
                   2177:     print "</pre>\n";
3.120     scop     2178:   }
3.131     scop     2179:   html_footer();
3.120     scop     2180: }
                   2181:
3.156     scop     2182:
3.120     scop     2183: sub viewable($)
                   2184: {
3.219     scop     2185:   return shift =~ m{^((text|image)/|application/pdf)}i;
3.156     scop     2186: }
3.120     scop     2187:
3.1       knu      2188:
                   2189: ###############################
                   2190: # Show Colored Diff
                   2191: ###############################
3.120     scop     2192: sub doDiff($$$$$$)
                   2193: {
                   2194:   my ($fullname, $r1, $tr1, $r2, $tr2, $f) = @_;
                   2195:
3.233     scop     2196:   if (forbidden($fullname)) {
                   2197:     fatal('403 Forbidden', 'Access to %s forbidden.', $where);
3.120     scop     2198:   }
                   2199:
3.175     scop     2200:   my ($rev1, $sym1);
3.120     scop     2201:   if ($r1 =~ /([^:]+)(:(.+))?/) {
                   2202:     $rev1 = $1;
                   2203:     $sym1 = $3;
                   2204:   }
                   2205:   if ($r1 eq 'text') {
                   2206:     $rev1 = $tr1;
                   2207:     $sym1 = "";
                   2208:   }
                   2209:
3.175     scop     2210:   my ($rev2, $sym2);
3.120     scop     2211:   if ($r2 =~ /([^:]+)(:(.+))?/) {
                   2212:     $rev2 = $1;
                   2213:     $sym2 = $3;
                   2214:   }
                   2215:   if ($r2 eq 'text') {
                   2216:     $rev2 = $tr2;
                   2217:     $sym2 = "";
                   2218:   }
                   2219:
                   2220:   #
                   2221:   # rev1 and rev2 are now both numeric revisions.
                   2222:   # Thus we do a DWIM here and swap them if rev1 is after rev2.
                   2223:   # XXX should we warn about the fact that we do this?
                   2224:   if (&revcmp($rev1, $rev2) > 0) {
                   2225:     my ($tmp1, $tmp2) = ($rev1, $sym1);
                   2226:     ($rev1, $sym1) = ($rev2, $sym2);
                   2227:     ($rev2, $sym2) = ($tmp1, $tmp2);
                   2228:   }
3.225     scop     2229:
                   2230:   my $mimetype = getMimeType($fullname);
                   2231:
                   2232:   #
                   2233:   #  Check for per-MIME type diff commands.
                   2234:   #
                   2235:   my $diffcmd = undef;
                   2236:   if (my $diffcmds = $DIFF_COMMANDS{lc($mimetype)}) {
                   2237:     if ($f =~ /^ext(\d*)$/) {
                   2238:       my $n = $1 || 0;
                   2239:       $diffcmd = $diffcmds->[$n];
                   2240:     }
                   2241:   }
                   2242:   if ($diffcmd && $diffcmd->{cmd} && $diffcmd->{name}) {
                   2243:
                   2244:     if ($diffcmd->{args} && ref($diffcmd->{args}) ne 'ARRAY') {
                   2245:       fatal('500 Internal Error',
                   2246:             'Configuration error: arguments to external diff tools must ' .
                   2247:             'be given as array refs.  See "<code>%s</code>" in ' .
                   2248:             '<code>%%DIFF_COMMANDS</code>.',
                   2249:             $diffcmd->{name});
                   2250:     }
                   2251:
                   2252:     (my $cvsname = $where) =~ s/\.diff$//;
                   2253:
                   2254:     # Create two temporary files with the two revisions
                   2255:     my $temp_fn1 = checkout_to_temp($cvsroot, $cvsname, $rev1);
                   2256:     my $temp_fn2 = checkout_to_temp($cvsroot, $cvsname, $rev2);
                   2257:
                   2258:     # Execute chosen diff binary.
                   2259:     local (*DIFF_OUT);
                   2260:     my @cmd = ($diffcmd->{cmd});
                   2261:     push(@cmd, @{$diffcmd->{args}}) if $diffcmd->{args};
                   2262:     push(@cmd, $temp_fn1, $temp_fn2);
                   2263:     my ($h, $err) = startproc(\@cmd, \"", '>pipe', \*DIFF_OUT);
                   2264:     if (!$h) {
                   2265:       unlink($temp_fn1);
                   2266:       unlink($temp_fn2);
                   2267:       fatal('500 Internal Error',
                   2268:             'Diff failure (exit status %s), output: <pre>%s</pre>',
                   2269:             $? >> 8 || -1, $err);
                   2270:     }
                   2271:
                   2272:     http_header($diffcmd->{type} || 'text/plain');
                   2273:     local $/ = undef;
                   2274:     print <DIFF_OUT>;
3.229     scop     2275:     $h->finish();
3.225     scop     2276:     unlink($temp_fn1);
                   2277:     unlink($temp_fn2);
                   2278:
                   2279:     exit;
                   2280:   }
                   2281:
                   2282:   #
                   2283:   # Normal CVS diff.
                   2284:   #
                   2285:
                   2286:   $f = $DEFAULTVALUE{f} || 'u' if ($f =~ /^ext\d*$/);
3.120     scop     2287:   my $difftype = $DIFFTYPES{$f};
                   2288:   if (!$difftype) {
                   2289:     fatal("400 Bad arguments", 'Diff format %s not understood', $f);
                   2290:   }
                   2291:
3.254     scop     2292:   my @difftype       = @{$difftype->{opts}};
                   2293:   my $human_readable = $difftype->{colored};
3.120     scop     2294:
4.2       schwarze 2295:   # Apply special diff options.
                   2296:   push @difftype, '-p' if $showfunc;
3.120     scop     2297:
                   2298:   if ($human_readable) {
3.247     scop     2299:     push(@difftype, '-w')  if $hr_ignwhite;
                   2300:     push(@difftype, '-kk') if $hr_ignkeysubst;
3.120     scop     2301:   }
                   2302:
3.175     scop     2303:   my $fh = do { local (*FH); };
3.120     scop     2304:   if (!open($fh, "-|")) {    # child
                   2305:     open(STDERR, ">&STDOUT");    # Redirect stderr to stdout
                   2306:     openOutputFilter();
3.166     scop     2307:     exec($CMD{rcsdiff}, @rcsdiff_options, @difftype, "-r$rev1", "-r$rev2",
                   2308:          $fullname) or exit -1;
3.120     scop     2309:   }
3.166     scop     2310:
3.120     scop     2311:   if ($human_readable) {
3.168     scop     2312:     #
                   2313:     # Human readable diff.
                   2314:     #
                   2315:     human_readable_diff($fh, $rev2);
                   2316:     html_footer();
                   2317:     gzipclose();
                   2318:     exit;
                   2319:
                   2320:   } elsif ($f =~ /^([ucs])c$/) {
                   2321:     #
                   2322:     # Enscript colored diff.
                   2323:     #
                   2324:     my $hl = 'diff';
                   2325:     $hl .= $1 if ($1 eq 'u' || $1 eq 's');
                   2326:     (my $where_nd = $where)       =~ s/\.diff$//;
3.262     scop     2327:     (my $pathname = $where_nd)    =~ s|((?<=/)Attic/)?[^/]*$||;
3.168     scop     2328:     (my $filename = $where_nd)    =~ s|^.*/||;
                   2329:     (my $swhere   = $scriptwhere) =~ s|\.diff$||;
                   2330:     navigateHeader($swhere, $pathname, $filename, $rev2, 'diff');
                   2331:     printf(<<EOF, $where_nd, $rev1, $rev2);
                   2332: <h3 style="text-align: center">Diff for /%s between versions %s and %s</h3>
                   2333: <pre>
                   2334: EOF
3.240     scop     2335:     doEnscript(\$fh, $hl, 0, 'cvsweb_diff');
3.168     scop     2336:     print <<EOF;
                   2337: </pre>
3.208     scop     2338: <hr style="width: 100%" />
3.168     scop     2339: <form method="get" action="$scriptwhere">
                   2340: EOF
                   2341:     printDiffSelectStickyVars();
                   2342:     print 'Diff format: ';
                   2343:     printDiffSelect($use_java_script);
3.208     scop     2344:     print "<input type=\"submit\" value=\"Show\" />\n</form>\n";
3.120     scop     2345:     html_footer();
                   2346:     gzipclose();
                   2347:     exit;
3.168     scop     2348:
3.120     scop     2349:   } else {
3.168     scop     2350:     #
                   2351:     # Plain diff.
                   2352:     #
3.120     scop     2353:     http_header("text/plain");
                   2354:   }
                   2355:
                   2356:   #
                   2357:   #===================================================================
                   2358:   #RCS file: /home/ncvs/src/sys/netinet/tcp_output.c,v
                   2359:   #retrieving revision 1.16
                   2360:   #retrieving revision 1.17
                   2361:   #diff -c -r1.16 -r1.17
                   2362:   #*** /home/ncvs/src/sys/netinet/tcp_output.c     1995/11/03 22:08:08     1.16
                   2363:   #--- /home/ncvs/src/sys/netinet/tcp_output.c     1995/12/05 17:46:35     1.17
                   2364:   #
                   2365:   # Ideas:
                   2366:   # - nuke the stderr output if it's what we expect it to be
                   2367:   # - Add "no differences found" if the diff command supplied no output.
                   2368:   #
                   2369:   #*** src/sys/netinet/tcp_output.c     1995/11/03 22:08:08     1.16
                   2370:   #--- src/sys/netinet/tcp_output.c     1995/12/05 17:46:35     1.17 RELENG_2_1_0
                   2371:   # (bogus example, but...)
                   2372:   #
3.175     scop     2373:   my ($f1, $f2);
3.120     scop     2374:   if (grep { $_ eq '-u' } @difftype) {
                   2375:     $f1 = '---';
                   2376:     $f2 = '\+\+\+';
                   2377:   } else {
                   2378:     $f1 = '\*\*\*';
                   2379:     $f2 = '---';
                   2380:   }
                   2381:
                   2382:   while (<$fh>) {
                   2383:     if (m|^$f1 $cvsroot|o) {
                   2384:       s|$cvsroot/||o;
                   2385:       if ($sym1) {
                   2386:         chop;
                   2387:         $_ .= " $sym1\n";
                   2388:       }
                   2389:     } elsif (m|^$f2 $cvsroot|o) {
                   2390:       s|$cvsroot/||o;
                   2391:
                   2392:       if ($sym2) {
                   2393:         chop;
                   2394:         $_ .= " $sym2\n";
                   2395:       }
                   2396:     }
                   2397:     print $_;
                   2398:   }
                   2399:   close($fh);
1.12      fenner   2400: }
                   2401:
3.175     scop     2402:
3.1       knu      2403: ###############################
                   2404: # Show Logs ..
                   2405: ###############################
3.120     scop     2406: sub getDirLogs($$@)
                   2407: {
                   2408:   my ($cvsroot, $dirname, @otherFiles) = @_;
3.139     scop     2409:   my $tag = $input{only_with_tag};
3.196     scop     2410:   my $DirName = catdir($cvsroot, $where);
3.120     scop     2411:
3.139     scop     2412:   my @files = &safeglob("$DirName/*,v");
3.254     scop     2413:   push (@files, &safeglob("$DirName/Attic/*,v")) unless $input{hideattic};
3.120     scop     2414:   foreach my $file (@otherFiles) {
3.196     scop     2415:     push(@files, catfile($DirName, $file));
3.120     scop     2416:   }
                   2417:
3.150     scop     2418:   # Weed out unreadable files.
                   2419:   my $i = 0;
                   2420:   my @unreadable = ();
                   2421:   while ($i < scalar(@files)) {
3.197     scop     2422:     # Note: last modified files from subdirs returned by
                   2423:     # findLastModifiedSubdirs() come without the ,v suffix so they're not
                   2424:     # found here, but have already been checked for readability.  *cough*
                   2425:     if (-r $files[$i] || !-e _) {
3.150     scop     2426:       $i++;
                   2427:     } else {
                   2428:       push(@unreadable, splice(@files, $i, 1));
                   2429:     }
                   2430:   }
                   2431:
3.139     scop     2432:   # If there are no files, we're done.
3.150     scop     2433:   return @unreadable unless @files;
3.120     scop     2434:
3.139     scop     2435:   my @cmd = ($CMD{rlog});
                   2436:   # Can't use -r<tag> as '-' is allowed in tagnames,
                   2437:   # but misinterpreted by rlog.
                   2438:   push(@cmd, '-r') unless defined($tag);
3.120     scop     2439:
3.139     scop     2440:   my $fh = do { local (*FH); };
3.273     scop     2441:   if (!open($fh, '-|')) {                       # Child
                   2442:     open(STDERR, '>', devnull()) unless $DEBUG; # Ignore rlog's complaints.
3.139     scop     2443:     openOutputFilter();
                   2444:     if ($file_list_len && $file_list_len > 1) {
                   2445:       while (scalar(@files) > $file_list_len) {  # Process files in chunks.
                   2446:         system(@cmd, splice(@files, 0, $file_list_len)) == 0 or exit -1;
                   2447:       }
3.120     scop     2448:     }
3.139     scop     2449:     exec(@cmd, @files) or exit -1;
                   2450:   }
                   2451:   undef @cmd;
3.120     scop     2452:
3.139     scop     2453:   my $state = 'start';
                   2454:   my ($date, $branchpoint, $branch, $log, @filetags);
3.152     scop     2455:   my ($rev, $revision, $revwanted, $filename, $head, $author, $keywordsubst);
3.120     scop     2456:
                   2457:   while (<$fh>) {
                   2458:     if ($state eq "start") {
                   2459:
                   2460:       #Next file. Initialize file variables
                   2461:       $rev         = '';
                   2462:       $revwanted   = '';
                   2463:       $branch      = '';
                   2464:       $branchpoint = '';
                   2465:       $filename    = '';
                   2466:       $log         = '';
                   2467:       $revision    = '';
                   2468:       %symrev      = ();
                   2469:       @filetags    = ();
3.152     scop     2470:       $keywordsubst= '';
3.120     scop     2471:
                   2472:       #jump to head state
                   2473:       $state = "head";
                   2474:     }
3.144     scop     2475:
3.120     scop     2476:     again:
                   2477:
                   2478:     if ($state eq "head") {
                   2479:
                   2480:       #$rcsfile = $1 if (/^RCS file: (.+)$/); #not used (yet)
                   2481:
                   2482:       if (/^Working file: (.+)$/) {
                   2483:         $filename = $1;
                   2484:       } elsif (/^head: (.+)$/) {
                   2485:         $head = $1;
                   2486:       } elsif (/^branch: (.+)$/) {
                   2487:         $branch = $1;
3.152     scop     2488:       } elsif (/^keyword substitution: (.+)$/) {
                   2489:         $keywordsubst = $1;
3.120     scop     2490:       } elsif (/^symbolic names:/) {
                   2491:         $state = "tags";
                   2492:         ($branch = $head) =~ s/\.\d+$//
                   2493:           if $branch eq '';
                   2494:         $branch =~ s/(\d+)$/0.$1/;
                   2495:         $symrev{MAIN}  = $branch;
                   2496:         $symrev{HEAD}  = $branch;
                   2497:         $alltags{MAIN} = 1;
                   2498:         $alltags{HEAD} = 1;
                   2499:         push (@filetags, "MAIN", "HEAD");
3.222     scop     2500:       } elsif ($_ =~ LOG_REVSEPR) {
3.120     scop     2501:         $state = "log";
                   2502:         $rev   = '';
                   2503:         $date  = '';
                   2504:         $log   = '';
                   2505:
                   2506:         # Try to reconstruct the relative filename if RCS spits out a full path
                   2507:         $filename =~ s%^\Q$DirName\E/%%;
                   2508:       }
                   2509:       next;
                   2510:     }
                   2511:
                   2512:     if ($state eq "tags") {
                   2513:       if (/^\s+([^:]+):\s+([\d\.]+)\s*$/) {
                   2514:         push (@filetags, $1);
                   2515:         $symrev{$1}  = $2;
                   2516:         $alltags{$1} = 1;
                   2517:         next;
                   2518:       } elsif (/^\S/) {
                   2519:
                   2520:         if (defined($tag)) {
                   2521:           if (defined($symrev{$tag}) || $tag eq "HEAD") {
                   2522:             $revwanted    = $symrev{$tag eq "HEAD" ? "MAIN" : $tag};
                   2523:             ($branch      = $revwanted) =~ s/\b0\.//;
                   2524:             ($branchpoint = $branch)    =~ s/\.?\d+$//;
                   2525:             $revwanted    = '' if ($revwanted ne $branch);
                   2526:           } elsif ($tag ne "HEAD") {
                   2527:             $state = "skip";
                   2528:             next;
                   2529:           }
                   2530:         }
                   2531:
                   2532:         foreach my $tagfound (@filetags) {
                   2533:           $tags{$tagfound} = 1;
                   2534:         }
                   2535:         $state = "head";
                   2536:         goto again;
                   2537:       }
                   2538:     }
                   2539:
                   2540:     if ($state eq "log") {
3.222     scop     2541:       if ($_ =~ LOG_REVSEPR || $_ =~ LOG_FILESEPR) {
3.120     scop     2542:
                   2543:         # End of a log entry.
                   2544:         my $revbranch = $rev;
                   2545:         $revbranch =~ s/\.\d+$//;
                   2546:
                   2547:         if ($revwanted eq '' && $branch ne '' && $branch eq $revbranch
                   2548:             || !defined($tag))
                   2549:         {
                   2550:           $revwanted = $rev;
                   2551:         }
                   2552:
                   2553:         if ($revwanted ne ''
                   2554:             ? $rev eq $revwanted
                   2555:             : $branchpoint ne ''
                   2556:               ? $rev eq $branchpoint
                   2557:               : 0
                   2558:             && ($rev eq $head))
                   2559:         {    # Don't think head is needed here..
3.152     scop     2560:           my @finfo = ($rev, $date, $log, $author, $filename, $keywordsubst);
                   2561:           (my $name = $filename) =~ s%/.*%%;
3.120     scop     2562:           $fileinfo{$name} = [@finfo];
                   2563:           $state = "done" if ($rev eq $revwanted);
                   2564:         }
                   2565:         $rev  = '';
                   2566:         $date = '';
                   2567:         $log  = '';
                   2568:       } elsif ($date eq ''
                   2569:                && m|^date:\s+(\d+)/(\d+)/(\d+)\s+(\d+):(\d+):(\d+);|)
                   2570:       {
3.172     scop     2571:         my $yr    = $1;
                   2572:         $yr      -= 1900 if ($yr > 100); # Damn 2-digit year routines :-)
                   2573:         $date     = timegm($6, $5, $4, $3, $2 - 1, $yr);
3.120     scop     2574:         ($author) = /author: ([^;]+)/;
3.172     scop     2575:         $state    = 'log';
                   2576:         $log      = '';
3.120     scop     2577:         next;
                   2578:       } elsif ($rev eq '' && /^revision (\d+(?:\.\d+)+).*$/) {
                   2579:         $rev = $1;    # .*$ eats up the locker(lockers?) info, if any
                   2580:         next;
                   2581:       } else {
                   2582:         $log .= $_;
                   2583:       }
                   2584:     }
                   2585:
3.222     scop     2586:     if ($_ =~ LOG_FILESEPR) {
3.120     scop     2587:       $state = "start";
                   2588:       next;
                   2589:     }
                   2590:   }
                   2591:
3.139     scop     2592:   my $linesread = $. || 0;
                   2593:   close($fh);
                   2594:
                   2595:   if ($linesread == 0) {
3.137     scop     2596:     fatal('500 Internal Error',
3.230     scop     2597:           'Failed to spawn GNU rlog on <em>"%s"</em>.<br /><br />Did you set the <b><code>@command_path</code></b> in your configuration file correctly? (Currently: "<code>%s</code>")',
                   2598:           htmlquote(join(', ', @files)), join(':', @command_path));
3.120     scop     2599:   }
3.150     scop     2600:
                   2601:   return @unreadable;
3.120     scop     2602: }
                   2603:
3.175     scop     2604:
3.120     scop     2605: sub readLog($;$)
                   2606: {
                   2607:   my ($fullname, $revision) = @_;
                   2608:   my ($symnames, $head, $rev, $br, $brp, $branch, $branchrev);
                   2609:
                   2610:   undef %symrev;
                   2611:   undef %revsym;
                   2612:   undef @allrevisions;
                   2613:   undef %date;
                   2614:   undef %author;
                   2615:   undef %state;
                   2616:   undef %difflines;
                   2617:   undef %log;
3.152     scop     2618:   $keywordsubstitution = '';
3.120     scop     2619:
3.175     scop     2620:   my $fh = do { local (*FH); };
3.120     scop     2621:   if (!open($fh, "-|")) {    # child
3.275     scop     2622:     openOutputFilter();
                   2623:     $revision = defined($revision) ? "-r$revision" : '';
                   2624:     if ($revision =~ /\./) {
                   2625:       # Normal revision, not a branch/tag name.
3.120     scop     2626:       exec($CMD{rlog}, $revision, $fullname) or exit -1;
                   2627:     } else {
                   2628:       exec($CMD{rlog}, $fullname) or exit -1;
                   2629:     }
                   2630:   }
                   2631:
3.217     scop     2632:   my $curbranch = undef;
3.120     scop     2633:   while (<$fh>) {
                   2634:     if ($symnames) {
                   2635:       if (/^\s+([^:]+):\s+([\d\.]+)/) {
                   2636:         $symrev{$1} = $2;
3.152     scop     2637:         next;
3.120     scop     2638:       } else {
                   2639:         $symnames = 0;
                   2640:       }
3.152     scop     2641:     }
                   2642:     if (/^head:\s+([\d\.]+)/) {
3.120     scop     2643:       $head = $1;
                   2644:     } elsif (/^branch:\s+([\d\.]+)/) {
                   2645:       $curbranch = $1;
                   2646:     } elsif (/^symbolic names/) {
                   2647:       $symnames = 1;
3.152     scop     2648:     } elsif (/^keyword substitution: (.+)$/) {
                   2649:       $keywordsubstitution = $1;
3.120     scop     2650:     } elsif (/^-----/) {
                   2651:       last;
                   2652:     }
                   2653:   }
                   2654:   ($curbranch = $head) =~ s/\.\d+$// if (!defined($curbranch));
                   2655:
                   2656:   # each log entry is of the form:
                   2657:   # ----------------------------
                   2658:   # revision 3.7.1.1
                   2659:   # date: 1995/11/29 22:15:52;  author: fenner;  state: Exp;  lines: +5 -3
                   2660:   # log info
                   2661:   # ----------------------------
                   2662:
                   2663:   # For a locked revision, the first line after the separator
                   2664:   # becomes smth like
3.149     scop     2665:   # revision 9.19       locked by: vassilii;
3.120     scop     2666:
                   2667:   logentry:
                   2668:
3.222     scop     2669:   while ($_ !~ LOG_FILESEPR) {
3.120     scop     2670:     $_ = <$fh>;
                   2671:     last logentry if (!defined($_));    # EOF
                   2672:     if (/^revision (\d+(?:\.\d+)+)/) {
                   2673:       $rev = $1;
3.261     scop     2674:       unshift(@allrevisions, $rev);
3.222     scop     2675:     } elsif ($_ =~ LOG_FILESEPR || $_ =~ LOG_REVSEPR) {
3.120     scop     2676:       next logentry;
                   2677:     } else {
                   2678:
                   2679:       # The rlog output is syntactically ambiguous.  We must
                   2680:       # have guessed wrong about where the end of the last log
                   2681:       # message was.
                   2682:       # Since this is likely to happen when people put rlog output
                   2683:       # in their commit messages, don't even bother keeping
                   2684:       # these lines since we don't know what revision they go with
                   2685:       # any more.
                   2686:       next logentry;
                   2687:     }
                   2688:     $_ = <$fh>;
                   2689:     if (
                   2690:       m|^date:\s+(\d+)/(\d+)/(\d+)\s+(\d+):(\d+):(\d+);\s+author:\s+(\S+);\s+state:\s+(\S+);\s+(lines:\s+([0-9\s+-]+))?|
                   2691:       )
                   2692:     {
3.172     scop     2693:       my $yr           = $1;
                   2694:       $yr             -= 1900 if ($yr > 100); # Damn 2-digit year routines :-)
                   2695:       $date{$rev}      = timegm($6, $5, $4, $3, $2 - 1, $yr);
3.120     scop     2696:       $author{$rev}    = $7;
                   2697:       $state{$rev}     = $8;
                   2698:       $difflines{$rev} = $10;
                   2699:     } else {
                   2700:       fatal("500 Internal Error", 'Error parsing RCS output: %s', $_);
                   2701:     }
                   2702:
                   2703:   line:
                   2704:     while (<$fh>) {
                   2705:       next line if (/^branches:\s/);
3.222     scop     2706:       last line if ($_ =~ LOG_FILESEPR || $_ =~ LOG_REVSEPR);
3.120     scop     2707:       $log{$rev} .= $_;
                   2708:     }
                   2709:   }
                   2710:   close($fh);
                   2711:
                   2712:   @revorder = reverse sort { revcmp($a, $b) } @allrevisions;
                   2713:
                   2714:   #
                   2715:   # HEAD is an artificial tag which is simply the highest tag number on the main
                   2716:   # branch, unless there is a branch tag in the RCS file in which case it's the
                   2717:   # highest revision on that branch.  Find it by looking through @revorder; it
                   2718:   # is the first commit listed on the appropriate branch.
                   2719:   # This is not neccesary the same revision as marked as head in the RCS file.
                   2720:   my $headrev = $curbranch || "1";
3.254     scop     2721:   ($symrev{MAIN} = $headrev) =~ s/(\d+)$/0.$1/;
3.120     scop     2722:
                   2723:   foreach $rev (@revorder) {
                   2724:     if ($rev =~ /^(\S*)\.\d+$/ && $headrev eq $1) {
3.254     scop     2725:       $symrev{HEAD} = $rev;
3.120     scop     2726:       last;
                   2727:     }
                   2728:   }
3.254     scop     2729:   ($symrev{HEAD} = $headrev) =~ s/\.\d+$// unless defined($symrev{HEAD});
3.120     scop     2730:
                   2731:   #
                   2732:   # Now that we know all of the revision numbers, we can associate
                   2733:   # absolute revision numbers with all of the symbolic names, and
                   2734:   # pass them to the form so that the same association doesn't have
                   2735:   # to be built then.
                   2736:   #
                   2737:   undef @branchnames;
                   2738:   undef %branchpoint;
                   2739:   undef $sel;
                   2740:
                   2741:   foreach (reverse sort keys %symrev) {
                   2742:     $rev = $symrev{$_};
                   2743:     if ($rev =~ /^((.*)\.)?\b0\.(\d+)$/) {
                   2744:       push (@branchnames, $_);
                   2745:
                   2746:       #
                   2747:       # A revision number of A.B.0.D really translates into
                   2748:       # "the highest current revision on branch A.B.D".
                   2749:       #
                   2750:       # If there is no branch A.B.D, then it translates into
                   2751:       # the head A.B .
                   2752:       #
                   2753:       # This reasoning also applies to the main branch A.B,
                   2754:       # with the branch number 0.A, with the exception that
                   2755:       # it has no head to translate to if there is nothing on
                   2756:       # the branch, but I guess this can never happen?
                   2757:       #
                   2758:       # (the code below gracefully forgets about the branch
                   2759:       # if it should happen)
                   2760:       #
                   2761:       $head = defined($2) ? $2 : "";
                   2762:       $branch = $3;
                   2763:       $branchrev = $head . ($head ne "" ? "." : "") . $branch;
3.222     scop     2764:       $rev = $head;
                   2765:
                   2766:       my $regex = '^' . quotemeta($branchrev) . '\b';
                   2767:       $regex = qr/$regex/;
3.120     scop     2768:
                   2769:       foreach my $r (@revorder) {
3.222     scop     2770:         if ($r =~ $regex) {
3.120     scop     2771:           $rev = $branchrev;
                   2772:           last;
                   2773:         }
                   2774:       }
                   2775:       next if ($rev eq "");
                   2776:
                   2777:       if ($rev ne $head && $head ne "") {
3.131     scop     2778:         $branchpoint{$head} .= ', ' if ($branchpoint{$head});
3.120     scop     2779:         $branchpoint{$head} .= $_;
                   2780:       }
                   2781:     }
                   2782:     $revsym{$rev} .= ", " if ($revsym{$rev});
                   2783:     $revsym{$rev} .= $_;
3.136     scop     2784:     $sel .= sprintf("<option value=\"%s:%s\">%s</option>\n",
                   2785:                     htmlquote($rev), (htmlquote($_)) x 2);
3.120     scop     2786:   }
                   2787:
                   2788:   my ($onlyonbranch, $onlybranchpoint);
3.254     scop     2789:   if ($onlyonbranch = $input{only_with_tag}) {
3.120     scop     2790:     $onlyonbranch = $symrev{$onlyonbranch};
3.275     scop     2791:     if ($onlyonbranch && $onlyonbranch =~ s/\b0\.//) {
3.120     scop     2792:       ($onlybranchpoint = $onlyonbranch) =~ s/\.\d+$//;
                   2793:     } else {
                   2794:       $onlybranchpoint = $onlyonbranch;
                   2795:     }
                   2796:
                   2797:     if (!defined($onlyonbranch) || $onlybranchpoint eq "") {
3.275     scop     2798:       fatal("404 Tag not found", 'Tag "<code>%s</code>" is not defined.',
3.254     scop     2799:             $input{only_with_tag});
3.120     scop     2800:     }
                   2801:   }
                   2802:
                   2803:   undef @revisions;
                   2804:
                   2805:   foreach (@allrevisions) {
                   2806:     ($br  = $_)  =~ s/\.\d+$//;
                   2807:     ($brp = $br) =~ s/\.\d+$//;
                   2808:     next if ($onlyonbranch
                   2809:              && $br ne $onlyonbranch
                   2810:              && $_  ne $onlybranchpoint);
3.261     scop     2811:     unshift(@revisions, $_);
3.120     scop     2812:   }
                   2813:
                   2814:   if ($logsort eq "date") {
                   2815:
                   2816:     # Sort the revisions in commit order an secondary sort on revision
                   2817:     # (secondary sort needed for imported sources, or the first main
                   2818:     # revision gets before the same revision on the 1.1.1 branch)
                   2819:     @revdisplayorder =
                   2820:       sort { $date{$b} <=> $date{$a} || -revcmp($a, $b) } @revisions;
                   2821:   } elsif ($logsort eq "rev") {
                   2822:
                   2823:     # Sort the revisions in revision order, highest first
                   2824:     @revdisplayorder = reverse sort { revcmp($a, $b) } @revisions;
                   2825:   } else {
                   2826:
                   2827:     # No sorting. Present in the same order as rlog / cvs log
                   2828:     @revdisplayorder = @revisions;
                   2829:   }
                   2830:
3.217     scop     2831:   return $curbranch;
3.120     scop     2832: }
                   2833:
3.175     scop     2834:
3.225     scop     2835: sub getDiffLinks($$$)
3.120     scop     2836: {
3.225     scop     2837:   my ($url, $mimetype, $isbin) = @_;
                   2838:
                   2839:   my @links = ();
                   2840:   if (!$isbin) { # Offer ordinary diff only for non-binary files.
                   2841:     push(@links, &link('preferred', $url));
                   2842:     for my $difftype ($DIFFTYPES{$defaultDiffType}{colored} ? qw(u) : qw(h)) {
                   2843:       my $f = $difftype eq $defaultDiffType ? '' : $difftype;
                   2844:       push(@links,
                   2845:            &link(htmlquote(lc($DIFFTYPES{$difftype}{descr})), "$url;f=$f"));
                   2846:     }
                   2847:   }
                   2848:   if (my $extdiffs = $DIFF_COMMANDS{lc($mimetype)}) {
                   2849:     for my $i (0 .. scalar(@$extdiffs)-1) {
                   2850:       my $extdiff = $extdiffs->[$i];
                   2851:       push(@links, &link(htmlquote($extdiff->{name}), "$url;f=ext$i"))
                   2852:         if ($extdiff->{cmd} && $extdiff->{name});
                   2853:     }
3.120     scop     2854:   }
3.225     scop     2855:   return @links;
3.120     scop     2856: }
                   2857:
3.175     scop     2858:
3.219     scop     2859: sub printLog($$$;$$)
3.120     scop     2860: {
3.219     scop     2861:   # inlogview: 1 if in log view, otherwise in markup view.
                   2862:   ($_, my $mimetype, my $isbin, my $inlogview, my $isSelected) = @_;
3.175     scop     2863:   (my $br  = $_)  =~ s/\.\d+$//;
                   2864:   (my $brp = $br) =~ s/\.?\d+$//;
3.120     scop     2865:
3.219     scop     2866:   print "<a name=\"rev$_\"></a>";
                   2867:   if (defined($revsym{$_})) {
3.261     scop     2868:     foreach my $sym (split(", ", $revsym{$_})) {
3.271     scop     2869:       print '<a name="', htmlquote($sym), '"></a>';
3.120     scop     2870:     }
3.219     scop     2871:   }
                   2872:   if ($revsym{$br} && !defined($nameprinted{$br})) {
3.261     scop     2873:     foreach my $sym (split(", ", $revsym{$br})) {
3.271     scop     2874:       print '<a name="', htmlquote($sym), '"></a>';
3.120     scop     2875:     }
3.219     scop     2876:     $nameprinted{$br} = 1;
                   2877:   }
3.120     scop     2878:
3.271     scop     2879:   print "\n Revision <b>$_</b>";
3.219     scop     2880:   if (/^1\.1\.1\.\d+$/) {
                   2881:     print " <i>(vendor branch)</i>";
                   2882:   }
3.261     scop     2883:
3.271     scop     2884:   (my $filename = $where) =~ s|^.*/||;
                   2885:   my $fileurl   = uri_escape($filename);
                   2886:   undef $filename;
                   2887:
3.261     scop     2888:   my $isDead = ($state{$_} eq 'dead');
3.219     scop     2889:   if (!$isDead) {
3.261     scop     2890:
3.220     scop     2891:     print ': ', download_link($fileurl, $_, 'download', $mimetype);
3.219     scop     2892:
                   2893:     my @vlinks = ();
                   2894:     push(@vlinks, display_link($fileurl, $_, 'text', 'text/plain'))
                   2895:       unless $isbin;
                   2896:     push(@vlinks, display_link($fileurl, $_, 'markup', 'text/x-cvsweb-markup'))
                   2897:       if ($allow_markup && $inlogview && (!$isbin || viewable($mimetype)));
3.268     scop     2898:     if (!$isbin && $allow_annotate) {
3.219     scop     2899:       push(@vlinks,
                   2900:            &link('annotated',
3.271     scop     2901:                  sprintf('%s?annotate=%s%s', $fileurl, $_, $barequery)));
3.219     scop     2902:     }
                   2903:     print ' - view: ', join(', ', @vlinks) if @vlinks;
                   2904:     undef @vlinks;
                   2905:
3.243     scop     2906:     if (!$isbin && $allow_version_select) {
                   2907:       print ' - ';
                   2908:       if ($isSelected) {
                   2909:         print '<b>[selected&nbsp;for&nbsp;diffs]</b>';
                   2910:       } else {
                   2911:         print &link('select&nbsp;for&nbsp;diffs',
                   2912:                     sprintf('%s?r1=%s%s#rev%s',
3.271     scop     2913:                             $fileurl, $_, $barequery, $_));
3.120     scop     2914:       }
                   2915:     }
3.243     scop     2916:     print ' - ', graph_link('', 'revision graph')
                   2917:       if (!$inlogview && $allow_cvsgraph);
3.120     scop     2918:   }
3.219     scop     2919:   print "<br />\n";
3.120     scop     2920:
3.219     scop     2921:   print '<i>';
4.3       schwarze 2922:   if (@mytz) {
3.120     scop     2923:     my ($est) = $mytz[(localtime($date{$_}))[8]];
3.219     scop     2924:     print scalar localtime($date{$_}), " $est</i> (";
3.120     scop     2925:   } else {
3.219     scop     2926:     print scalar gmtime($date{$_}), " UTC</i> (";
3.120     scop     2927:   }
3.136     scop     2928:   print readableTime(time() - $date{$_}, 1), ' ago)';
3.208     scop     2929:   print ' by <i>', htmlquote($author{$_}), "</i><br />\n";
3.136     scop     2930:
3.243     scop     2931:   printf("Branches: %s<br />\n", link_tags($revsym{$br})) if $revsym{$br};
                   2932:   printf("CVS tags: %s<br />\n", link_tags($revsym{$_}))  if $revsym{$_};
                   2933:   printf("Branch point for: %s<br />\n", link_tags($branchpoint{$_}))
                   2934:     if $branchpoint{$_};
3.120     scop     2935:
                   2936:   # Find the previous revision
3.175     scop     2937:   my $prev;
3.261     scop     2938:   my @prevrev = split(/\./, $_);
3.120     scop     2939:   do {
                   2940:     if (--$prevrev[$#prevrev] <= 0) {
                   2941:
                   2942:       # If it was X.Y.Z.1, just make it X.Y
                   2943:       pop (@prevrev);
                   2944:       pop (@prevrev);
                   2945:     }
                   2946:     $prev = join (".", @prevrev);
                   2947:   } until (defined($date{$prev}) || $prev eq "");
                   2948:
                   2949:   if ($isDead) {
3.219     scop     2950:     print "<b><i>FILE REMOVED</i></b><br />\n";
3.243     scop     2951:   } else {
3.120     scop     2952:     my %diffrev = ();
                   2953:     $diffrev{$_} = 1;
                   2954:     $diffrev{""} = 1;
3.293     scop     2955:     my $diff = 'Diff to:';
3.219     scop     2956:     my $printed = 0;
3.120     scop     2957:
                   2958:     #
                   2959:     # Offer diff to previous revision
                   2960:     if ($prev) {
                   2961:       $diffrev{$prev} = 1;
                   2962:       my $url =
3.271     scop     2963:         sprintf('%s.diff?r1=%s;r2=%s%s', $fileurl, $prev, $_, $barequery);
3.225     scop     2964:       if (my @dlinks = getDiffLinks($url, $mimetype, $isbin)) {
3.293     scop     2965:         print $diff, ' previous ', $prev, ': ', join(', ', @dlinks);
                   2966:         $diff = ';'; $printed = 1;
3.225     scop     2967:       }
3.120     scop     2968:     }
                   2969:
                   2970:     #
                   2971:     # Plus, if it's on a branch, and it's not a vendor branch,
                   2972:     # offer a diff with the branch point.
                   2973:     if ($revsym{$brp}
                   2974:       && !/^1\.1\.1\.\d+$/
                   2975:       && !defined($diffrev{$brp}))
                   2976:     {
                   2977:       my $url =
3.271     scop     2978:         sprintf('%s.diff?r1=%s;r2=%s%s', $fileurl, $brp, $_, $barequery);
3.225     scop     2979:       if (my @dlinks = getDiffLinks($url, $mimetype, $isbin)) {
3.293     scop     2980:         print $diff, ' branchpoint ', $brp, ': ', join(', ', @dlinks);
                   2981:         $diff = ';'; $printed = 1;
3.225     scop     2982:       }
3.120     scop     2983:     }
                   2984:
                   2985:     #
                   2986:     # Plus, if it's on a branch, and it's not a vendor branch,
                   2987:     # offer to diff with the next revision of the higher branch.
                   2988:     # (e.g. change gets committed and then brought
                   2989:     # over to -stable)
                   2990:     if (/^\d+\.\d+\.\d+/ && !/^1\.1\.1\.\d+$/) {
                   2991:       my ($i, $nextmain);
                   2992:
                   2993:       for ($i = 0; $i < $#revorder && $revorder[$i] ne $_; $i++) {
                   2994:       }
3.261     scop     2995:       my @tmp2 = split(/\./, $_);
3.120     scop     2996:       for ($nextmain = ""; $i > 0; $i--) {
                   2997:         my $next = $revorder[$i - 1];
3.261     scop     2998:         my @tmp1 = split(/\./, $next);
3.120     scop     2999:
                   3000:         if (@tmp1 < @tmp2) {
                   3001:           $nextmain = $next;
                   3002:           last;
                   3003:         }
                   3004:
                   3005:         # Only the highest version on a branch should have
3.293     scop     3006:         # a diff for the "next MAIN".
3.120     scop     3007:         last
                   3008:           if (@tmp1 - 1 <= @tmp2
                   3009:           && join (".", @tmp1[0 .. $#tmp1 - 1]) eq
                   3010:           join (".", @tmp2[0 .. $#tmp1 - 1]));
                   3011:       }
                   3012:
                   3013:       if (!defined($diffrev{$nextmain})) {
                   3014:         $diffrev{$nextmain} = 1;
3.203     scop     3015:         my $url = sprintf('%s.diff?r1=%s;r2=%s%s',
3.271     scop     3016:           $fileurl, $nextmain, $_, $barequery);
3.225     scop     3017:         if (my @dlinks = getDiffLinks($url, $mimetype, $isbin)) {
3.293     scop     3018:           print $diff, ' next MAIN ', $nextmain, ': ', join(', ', @dlinks);
                   3019:           $diff = ';'; $printed = 1;
3.225     scop     3020:         }
3.120     scop     3021:       }
                   3022:     }
                   3023:
                   3024:     # Plus if user has selected only r1, then present a link
                   3025:     # to make a diff to that revision
3.254     scop     3026:     if (defined($input{r1}) && !defined($diffrev{$input{r1}})) {
                   3027:       $diffrev{$input{r1}} = 1;
3.203     scop     3028:       my $url = sprintf('%s.diff?r1=%s;r2=%s%s',
3.271     scop     3029:         $fileurl, $input{r1}, $_, $barequery);
3.225     scop     3030:       if (my @dlinks = getDiffLinks($url, $mimetype, $isbin)) {
3.293     scop     3031:         print $diff, ' selected ', $input{r1}, ': ', join(', ', @dlinks);
                   3032:         $diff = ';'; $printed = 1;
3.225     scop     3033:       }
3.120     scop     3034:     }
                   3035:
3.219     scop     3036:     print "<br />\n" if $printed;
                   3037:   }
                   3038:
                   3039:   if ($prev ne "" && $difflines{$_}) {
                   3040:     printf "Changes since revision %s: %s lines<br />\n",
                   3041:       htmlquote($prev), htmlquote($difflines{$_});
3.120     scop     3042:   }
3.189     scop     3043:
3.219     scop     3044:   print "<pre class=\"log\">\n";
3.120     scop     3045:   print &htmlify($log{$_}, $allow_log_extra);
                   3046:   print "</pre>\n";
                   3047: }
                   3048:
3.175     scop     3049:
3.132     scop     3050: #
                   3051: # Generates the HTML view for CvsGraph.
                   3052: #
3.170     scop     3053: sub doGraphView()
3.132     scop     3054: {
                   3055:   (my $pathname = $where) =~ s|[^/]*$||;
                   3056:   (my $filename = $where) =~ s|^.*/||;
                   3057:
3.170     scop     3058:   navigateHeader($scriptwhere, $pathname, $filename, undef, 'graph');
3.132     scop     3059:
3.146     scop     3060:   my $title = 'Revision graph of ' . htmlquote($pathname . $filename);
3.132     scop     3061:   my $mapname = 'CvsGraphMap';
                   3062:
3.170     scop     3063:   printf(<<EOF, $title, $mapname, $cvstree, $title);
3.146     scop     3064: <h3 style="text-align: center">%s</h3>
3.219     scop     3065: <div style="text-align: center"><img border="0" usemap="#%s" src="?cvsroot=%s;graph=1;makeimage=1" alt="%s" />
3.146     scop     3066: EOF
3.132     scop     3067:
3.255     scop     3068:   # Remove any pre-existing tag/branch names from branch links.
3.271     scop     3069:   (my $notag_query = $barequery) =~ s/;+only_with_tag=.*?(?=;|$)//g;
3.255     scop     3070:
3.135     scop     3071:   my @graph_cmd =
                   3072:     ($CMD{cvsgraph},
                   3073:      '-r', $cvsroot,
3.249     scop     3074:      '-m', $pathname,
3.135     scop     3075:      '-i',
                   3076:      '-M', $mapname,
3.208     scop     3077:      '-x', 'x',
3.271     scop     3078:      "-Omap_branch_href=\"href=\\\"./?only_with_tag=%(%t%)$notag_query\\\"\"",
                   3079:      "-Omap_rev_href=\"href=\\\"?rev=%(%R%)$barequery\\\"\"",
3.146     scop     3080:      "-Omap_diff_href=\"href=\\\"%(%F%).diff" .
3.271     scop     3081:      "?r1=%(%P%);r2=%(%R%)$barequery\\\"\"",
3.135     scop     3082:      );
3.132     scop     3083:   push(@graph_cmd, '-c', $cvsgraph_config) if $cvsgraph_config;
3.249     scop     3084:   push(@graph_cmd, $filename . ',v');
3.132     scop     3085:
3.174     scop     3086:   local *CVSGRAPH_OUT;
                   3087:   my ($h, $err) =
3.229     scop     3088:     startproc(\@graph_cmd, \"", '>pipe', \*CVSGRAPH_OUT);
3.174     scop     3089:   fatal('500 Internal Error', $err) unless $h;
3.242     scop     3090:
                   3091:   # Browser compatibility kludge: many browsers do not support client side
                   3092:   # image maps where the <map> element contains only the id attribute.  Let's
                   3093:   # add the corresponding name attribute to it on the fly.
                   3094:   while (<CVSGRAPH_OUT>) {
                   3095:     s/(<map\s+id="([^"]+)")\s*>/$1 name="$2">/;
                   3096:     print;
3.132     scop     3097:   }
3.242     scop     3098:
3.229     scop     3099:   $h->finish();
3.219     scop     3100:   print "</div>\n";
3.132     scop     3101:
                   3102:   html_footer();
                   3103: }
                   3104:
3.175     scop     3105:
3.132     scop     3106: #
                   3107: # Generates a graph using CvsGraph.
                   3108: #
3.170     scop     3109: sub doGraph()
3.132     scop     3110: {
                   3111:   (my $pathname = $where) =~ s|[^/]*$||;
                   3112:   (my $filename = $where) =~ s|^.*/||;
                   3113:
                   3114:   http_header('image/png');
                   3115:
3.249     scop     3116:   my @graph_cmd = ($CMD{cvsgraph}, '-r', $cvsroot, '-m', $pathname);
3.132     scop     3117:   push(@graph_cmd, '-c', $cvsgraph_config) if $cvsgraph_config;
3.249     scop     3118:   push(@graph_cmd, $filename . ',v');
3.132     scop     3119:
3.174     scop     3120:   local *CVSGRAPH_OUT;
                   3121:   my ($h, $err) =
3.229     scop     3122:     startproc(\@graph_cmd, \"", '>pipe', \*CVSGRAPH_OUT);
3.174     scop     3123:   fatal('500 Internal Error', $err) unless $h;
3.132     scop     3124:   {
                   3125:     local $/ = undef;
                   3126:     binmode(\*STDOUT);
3.174     scop     3127:     print <CVSGRAPH_OUT>;
3.132     scop     3128:   }
3.229     scop     3129:   $h->finish();
3.132     scop     3130: }
                   3131:
                   3132:
3.120     scop     3133: sub doLog($)
                   3134: {
                   3135:   my ($fullname) = @_;
                   3136:
3.217     scop     3137:   my $curbranch = readLog($fullname);
3.120     scop     3138:
                   3139:   html_header("CVS log for $where");
3.144     scop     3140:
3.271     scop     3141:   my $upwhere = $where;
3.144     scop     3142:   (my $filename = $where) =~ s|^.*/||;
3.271     scop     3143:   my $backurl = "./$query#" . uri_escape($filename);
                   3144:   if ($where =~ m|^(.*?)((?<=/)Attic/)?[^/]+$|) {
                   3145:     $upwhere = $1;
                   3146:     $backurl = ".$backurl" if $2; # skip over Attic
                   3147:   }
3.144     scop     3148:
3.219     scop     3149:   my $isbin = $keywordsubstitution =~ /b/;
                   3150:   my $mimetype = getMimeType($filename, $isbin);
                   3151:
3.120     scop     3152:   print "<p>\n ";
3.271     scop     3153:   print &link($backicon, $backurl), " <b>Up to ",
3.120     scop     3154:     &clickablePath($upwhere, 1), "</b>\n</p>\n";
                   3155:   print "<p>\n ";
                   3156:   print &link('Request diff between arbitrary revisions', '#diff');
3.268     scop     3157:   print ' - ', &graph_link('', 'Display revisions graphically')
                   3158:     if $allow_cvsgraph;
3.258     scop     3159:   if ($cvshistory_url) {
                   3160:     (my $d = $upwhere) =~ s|/+$||;
                   3161:     print ' - ', history_link($d, $filename);
                   3162:   }
3.208     scop     3163:   print "\n</p>\n<hr />\n";
3.120     scop     3164:
                   3165:   print "<p>\n";
3.152     scop     3166:
3.219     scop     3167:   my $explain = $isbin ? ' (i.e.: CVS considers this a binary file)' : '';
3.208     scop     3168:   print "Keyword substitution: $keywordsubstitution$explain<br />\n";
3.217     scop     3169:   if ($curbranch) {
                   3170:     print "Default branch: ", ($revsym{$curbranch} || $curbranch);
                   3171:   } else {
                   3172:     print "No default branch";
                   3173:   }
3.208     scop     3174:   print "<br />\n";
3.120     scop     3175:
3.208     scop     3176:   print 'Current tag: ', htmlquote($input{only_with_tag}), "<br />\n"
3.153     scop     3177:     if $input{only_with_tag};
3.120     scop     3178:   print "</p>\n";
                   3179:
                   3180:   undef %nameprinted;
                   3181:
3.182     scop     3182:   for my $r (@revdisplayorder) {
3.208     scop     3183:     print "<hr />\n";
3.182     scop     3184:     my $sel = (defined($input{r1}) && $input{r1} eq $r);
                   3185:     print "<div class=\"diff-selected\">\n" if $sel;
3.219     scop     3186:     printLog($r, $mimetype, $isbin, 1, $sel);
3.182     scop     3187:     print "</div>\n" if $sel;
3.120     scop     3188:   }
                   3189:
3.144     scop     3190:   printf(<<EOF, $scriptwhere);
3.208     scop     3191: <hr />
                   3192: <form method="get" action="%s.diff" id="diff_select">
3.189     scop     3193: <fieldset>
                   3194: <legend>Diff request</legend>
3.144     scop     3195: <p>
                   3196:  <a name="diff">
3.189     scop     3197:   This form allows you to request diffs between any two revisions of a file.
3.144     scop     3198:   You may select a symbolic revision name using the selection box or you may
                   3199:   type in a numeric name using the type-in text box.
                   3200:  </a>
                   3201: </p>
                   3202: EOF
3.120     scop     3203:
                   3204:   foreach (@stickyvars) {
3.208     scop     3205:     printf("<input type=\"hidden\" name=\"%s\" value=\"%s\" />\n",
3.154     scop     3206:            $_, htmlquote($input{$_}))
3.194     scop     3207:       if (defined($input{$_}) &&
                   3208:           (!defined($DEFAULTVALUE{$_}) || $input{$_} ne $DEFAULTVALUE{$_}));
3.120     scop     3209:   }
3.144     scop     3210:
                   3211:   print <<EOF;
3.189     scop     3212: <table summary="Diff between arbitrary revisions">
3.144     scop     3213: <tr>
3.189     scop     3214: <td class="opt-label">
                   3215: <label for="r1" accesskey="1">Diffs between</label>
                   3216: </td>
                   3217: <td class="opt-value">
3.144     scop     3218: <select id="r1" name="r1">
3.208     scop     3219: <option value="text" selected="selected">Use Text Field</option>
3.144     scop     3220: EOF
                   3221:   print $sel, "</select>\n";
                   3222:
                   3223:   my $diffrev = defined($input{r1}) ?
                   3224:     $input{r1} : $revdisplayorder[$#revdisplayorder];
                   3225:
                   3226:   printf(<<EOF, $inputTextSize, $diffrev);
3.208     scop     3227: <input type="text" size="%s" name="tr1" value="%s" onchange="this.form.r1.selectedIndex=0" />
3.144     scop     3228: </td>
3.189     scop     3229: <td></td>
                   3230: </tr>
                   3231: <tr>
                   3232: <td class="opt-label">
                   3233: <label for="r2" accesskey="2">and</label>
                   3234: </td>
                   3235: <td class="opt-value">
3.144     scop     3236: <select id="r2" name="r2">
3.208     scop     3237: <option value="text" selected="selected">Use Text Field</option>
3.144     scop     3238: EOF
                   3239:   print $sel, "</select>\n";
                   3240:
                   3241:   $diffrev = defined($input{r2}) ? $input{r2} : $revdisplayorder[0];
                   3242:
                   3243:   printf(<<EOF, $inputTextSize, $diffrev, $scriptwhere);
3.208     scop     3244: <input type="text" size="%s" name="tr2" value="%s" onchange="this.form.r2.selectedIndex=0" />
3.144     scop     3245: </td>
3.208     scop     3246: <td><input type="submit" value="Get Diffs" accesskey="G" /></td>
3.144     scop     3247: </tr>
                   3248: </table>
3.189     scop     3249: </fieldset>
3.144     scop     3250: </form>
                   3251: <form method="get" action="%s">
3.189     scop     3252: <fieldset>
                   3253: <legend>Log view options</legend>
                   3254: <table summary="Log view options">
3.144     scop     3255: <tr>
3.189     scop     3256: <td class="opt-label">
                   3257: <label for="f" accesskey="D">Preferred diff type:</label>
                   3258: </td>
                   3259: <td class="opt-value">
3.144     scop     3260: EOF
3.120     scop     3261:   printDiffSelect($use_java_script);
3.144     scop     3262:   print <<EOF;
3.189     scop     3263: </td>
                   3264: <td></td>
3.144     scop     3265: </tr>
                   3266: EOF
3.120     scop     3267:
                   3268:   if (@branchnames) {
3.144     scop     3269:
                   3270:     printf(<<EOF, $use_java_script ? ' onchange="this.form.submit()"' : '');
                   3271: <tr>
3.189     scop     3272: <td class="opt-label">
3.188     scop     3273: <label for="only_with_tag" accesskey="B">View only branch:</label>
3.189     scop     3274: </td>
                   3275: <td class="opt-value">
                   3276: <a name="branch">
3.144     scop     3277: <select id="only_with_tag" name="only_with_tag"%s>
                   3278: EOF
3.120     scop     3279:
3.193     scop     3280:     my @tmp = ();
                   3281:     my $selfound = 0;
3.120     scop     3282:     foreach (reverse sort @branchnames) {
3.136     scop     3283:       my $selected =
3.254     scop     3284:         (defined($input{only_with_tag}) && $input{only_with_tag} eq $_);
3.193     scop     3285:       $selfound ||= $selected;
                   3286:       push(@tmp, sprintf('<option%s>%s</option>',
3.208     scop     3287:                          $selected ? ' selected="selected"' : '',
3.193     scop     3288:                          htmlquote($_)));
3.120     scop     3289:     }
3.193     scop     3290:     printf("<option value=\"\"%s>Show all branches</option>\n",
3.208     scop     3291:            $selfound ? '' : ' selected="selected"');
3.193     scop     3292:     print join("\n", @tmp);
                   3293:
3.144     scop     3294:     print <<EOF
                   3295: </select>
3.189     scop     3296: </a>
3.144     scop     3297: </td>
                   3298: <td></td>
                   3299: </tr>
                   3300: EOF
3.120     scop     3301:   }
                   3302:
3.144     scop     3303:   print <<EOF;
3.189     scop     3304: <tr>
                   3305: <td class="opt-label">
                   3306: <label for="logsort" accesskey="L">Sort log by:</label>
                   3307: </td>
                   3308: <td>
3.144     scop     3309: EOF
3.120     scop     3310:   printLogSortSelect($use_java_script);
3.144     scop     3311:   print <<EOF;
3.189     scop     3312: </td>
3.208     scop     3313: <td><input type="submit" value="Set" accesskey="S" /></td>
3.189     scop     3314: </tr>
3.144     scop     3315: </table>
                   3316: EOF
3.154     scop     3317:   foreach (@stickyvars) {
                   3318:     next if ($_ eq "f");
                   3319:     next if ($_ eq "only_with_tag");
                   3320:     next if ($_ eq "logsort");
3.296     scop     3321:     printf("<input type=\"hidden\" name=\"%s\" value=\"%s\" />\n",
                   3322:            $_, htmlquote($input{$_}))
3.154     scop     3323:       if (defined($input{$_})
3.194     scop     3324:           && (!defined($DEFAULTVALUE{$_}) || $input{$_} ne $DEFAULTVALUE{$_}));
3.154     scop     3325:   }
3.189     scop     3326:   print "</fieldset>\n</form>\n";
3.120     scop     3327:   html_footer();
                   3328: }
                   3329:
3.175     scop     3330:
3.120     scop     3331: sub flush_diff_rows($$$$)
                   3332: {
                   3333:   my ($leftColRef, $rightColRef, $leftRow, $rightRow) = @_;
                   3334:
3.175     scop     3335:   return unless defined($state);
3.120     scop     3336:
                   3337:   if ($state eq "PreChangeRemove") {    # we just got remove-lines before
3.133     scop     3338:     for (my $j = 0; $j < $leftRow; $j++) {
3.256     scop     3339:       printf(<<EOF, spacedHtmlText(@$leftColRef[$j]));
3.144     scop     3340: <tr>
3.260     scop     3341:  <td class="diff diff-removed">&nbsp;%s</td>
                   3342:  <td class="diff diff-empty">&nbsp;</td>
3.144     scop     3343: </tr>
                   3344: EOF
3.120     scop     3345:     }
                   3346:   } elsif ($state eq "PreChange") {     # state eq "PreChange"
                   3347:                                         # we got removes with subsequent adds
3.222     scop     3348:     if (HAS_EDIFF) {
3.176     scop     3349:       # construct the suffix tree
                   3350:       my $left_diff = join("\n", @$leftColRef[0..$leftRow-1]);
                   3351:       my $right_diff = join("\n", @$rightColRef[0..$rightRow-1]);
                   3352:       my $diff_str = String::Ediff::ediff($left_diff, $right_diff);
                   3353:
                   3354:       my @diff_str = split(/ /, $diff_str);
                   3355:       my $INFINITY = 10000000;
                   3356:       push(@diff_str, ($INFINITY) x 8);
                   3357:       my ($idx, $b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2) =
                   3358:         (0, @diff_str[0..7]);
                   3359:       my ($l_cul, $r_cul) = (0, 0);
                   3360:       my ($ldx, $rdx) = (0, 0);
                   3361:       my (@left_html, @right_html);
                   3362:       for (my $j = 0; $j < $leftRow; $j++) {
                   3363:         my $line_len = length(@$leftColRef[$j]);
                   3364:         my $line = @$leftColRef[$j];
                   3365:         $l_cul += length($line) + 1; # includes "\n"
                   3366:         my $l_culx = $l_cul - 1; # not includes "\n"
                   3367:         if ($j < $lb1) {
                   3368:           $line = spacedHtmlText($line);
3.260     scop     3369:           push(@left_html, "<td class=\"diff diff-changed\">$line</td>");
3.176     scop     3370:         } elsif ($lb1 == $j) {
                   3371:           my $html_line;
                   3372:           while ($lb1 == $j) {
                   3373:             my $begin_char = $l_culx - $b1;
                   3374:
                   3375:             $line =~ /^(.*)(.{$begin_char})$/;
                   3376:             $html_line .= spacedHtmlText($1) .
3.260     scop     3377:               '</span><span class="diff diff-unchanged">';
3.176     scop     3378:             $line = $2;
                   3379:             last if ($j != $le1);
                   3380:
                   3381:             my $end_char = $l_culx - $e1;
                   3382:             $line =~ /^(.*)(.{$end_char})$/;
                   3383:             $html_line .= spacedHtmlText($1) .
3.260     scop     3384:               '</span><span class="diff diff-changed">';
3.176     scop     3385:             $line = $2;
                   3386:
                   3387:             $idx++;
                   3388:             my ($tb1, $te1, $tlb1, $tle1, $tb2, $te2, $tlb2, $tle2) =
                   3389:               ($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2);
                   3390:             ($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2) =
                   3391:               @diff_str[$idx*8..($idx+1)*8-1];
                   3392:             $lb1 = $INFINITY if ($lb1 < 0);
                   3393:             $lb2 = $INFINITY if ($lb2 < 0);
                   3394:             $le1 = $INFINITY if ($le1 < 0);
                   3395:             $le2 = $INFINITY if ($le2 < 0);
                   3396:             if ($te1 > $b1) {
                   3397:               ($b1, $lb1) = ($te1, $tle1);
                   3398:             }
                   3399:             if ($te2 > $b2) {
                   3400:               ($b2, $lb2) = ($te2, $tle2);
                   3401:             }
                   3402:           }
                   3403:           push(@left_html,
3.260     scop     3404:                sprintf('<td><span class="diff diff-changed">%s%s</span></td>',
                   3405:                        $html_line, spacedHtmlText($line)));
3.176     scop     3406:         } elsif ($le1 == $j) {
                   3407:           my $html_line;
                   3408:           while ($le1 == $j) {
                   3409:             my $end_char = $l_culx - $e1;
                   3410:             $line =~ /^(.*)(.{$end_char})$/;
                   3411:             $html_line .= spacedHtmlText($1) .
3.260     scop     3412:               '</span><span class="diff diff-changed">';
3.176     scop     3413:             $line = $2;
                   3414:
                   3415:             $idx++;
                   3416:             my ($tb1, $te1, $tlb1, $tle1, $tb2, $te2, $tlb2, $tle2) =
                   3417:               ($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2);
                   3418:             ($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2) =
                   3419:               @diff_str[$idx*8..($idx+1)*8-1];
                   3420:             $lb1 = $INFINITY if ($lb1 < 0);
                   3421:             $lb2 = $INFINITY if ($lb2 < 0);
                   3422:             $le1 = $INFINITY if ($le1 < 0);
                   3423:             $le2 = $INFINITY if ($le2 < 0);
                   3424:             if ($te1 > $b1) {
                   3425:               ($b1, $lb1) = ($te1, $tle1);
                   3426:             }
                   3427:             if ($te2 > $b2) {
                   3428:               ($b2, $lb2) = ($te2, $tle2);
                   3429:             }
                   3430:
                   3431:             last if ($lb1 != $j);
                   3432:
                   3433:             my $begin_char = $l_culx - $b1;
                   3434:
                   3435:             $line =~ /^(.*)(.{$begin_char})$/;
                   3436:             $html_line .= spacedHtmlText($1) .
3.260     scop     3437:               '</span><span class="diff diff-unchanged">';
3.176     scop     3438:             $line = $2;
                   3439:           }
                   3440:           push(@left_html,
3.260     scop     3441:               sprintf('<td><span class="diff diff-unchanged">%s%s</span></td>',
                   3442:                       $html_line, spacedHtmlText($line)));
3.176     scop     3443:         } else {
                   3444:           $line = spacedHtmlText($line);
3.260     scop     3445:           push(@left_html, "<td class=\"diff diff-unchanged\">$line</td>");
3.176     scop     3446:         }
                   3447:       }
                   3448:       ($idx, $b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2) =
                   3449:         (0, @diff_str[0..7]);
                   3450:       $lb1 = $INFINITY if ($lb1 < 0);
                   3451:       $lb2 = $INFINITY if ($lb2 < 0);
                   3452:       $le1 = $INFINITY if ($le1 < 0);
                   3453:       $le2 = $INFINITY if ($le2 < 0);
                   3454:       for (my $j = 0; $j < $rightRow; $j++) {
                   3455:         my $line_len = length(@$rightColRef[$j]);
                   3456:         my $line = @$rightColRef[$j];
                   3457:         $r_cul += length($line) + 1; # includes "\n"
                   3458:         my $r_culx = $r_cul - 1; # not includes "\n"
                   3459:         if ($j < $lb2) {
                   3460:           $line = spacedHtmlText($line);
3.260     scop     3461:           push(@right_html, "<td class=\"diff diff-changed\">$line</td>");
3.176     scop     3462:         } elsif ($lb2 == $j) {
                   3463:           my $html_line;
                   3464:           while ($lb2 == $j) {
                   3465:             my $begin_char = $r_culx - $b2;
                   3466:
                   3467:             $line =~ /^(.*)(.{$begin_char})$/;
                   3468:             $html_line .= spacedHtmlText($1) .
3.260     scop     3469:               '</span><span class="diff diff-unchanged">';
3.176     scop     3470:             $line = $2;
                   3471:
                   3472:             last if ($j != $le2);
                   3473:
                   3474:             my $end_char = $r_culx - $e2;
                   3475:             $line =~ /^(.*)(.{$end_char})$/;
                   3476:             $html_line .= spacedHtmlText($1) .
3.260     scop     3477:               '</span><span class="diff diff-changed">';
3.176     scop     3478:             $line = $2;
                   3479:
                   3480:             $idx++;
                   3481:             my ($tb1, $te1, $tlb1, $tle1, $tb2, $te2, $tlb2, $tle2) =
                   3482:               ($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2);
                   3483:             ($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2) =
                   3484:               @diff_str[$idx*8..($idx+1)*8-1];
                   3485:             $lb1 = $INFINITY if ($lb1 < 0);
                   3486:             $lb2 = $INFINITY if ($lb2 < 0);
                   3487:             $le1 = $INFINITY if ($le1 < 0);
                   3488:             $le2 = $INFINITY if ($le2 < 0);
                   3489:             if ($te1 > $b1) {
                   3490:               ($b1, $lb1) = ($te1, $tle1);
                   3491:             }
                   3492:             if ($te2 > $b2) {
                   3493:               ($b2, $lb2) = ($te2, $tle2);
                   3494:             }
                   3495:           }
                   3496:           push(@right_html,
3.260     scop     3497:                sprintf('<td><span class="diff diff-changed">%s%s</span></td>',
                   3498:                        $html_line, spacedHtmlText($line)));
3.176     scop     3499:         } elsif ($le2 == $j) {
                   3500:           my $html_line;
                   3501:           while ($le2 == $j) {
                   3502:             my $end_char = $r_culx - $e2;
                   3503:             $line =~ /^(.*)(.{$end_char})$/;
                   3504:             $html_line .= spacedHtmlText($1) .
3.260     scop     3505:               '</span><span class="diff diff-changed">';
3.176     scop     3506:             $line = $2;
                   3507:
                   3508:             $idx++;
                   3509:             my ($tb1, $te1, $tlb1, $tle1, $tb2, $te2, $tlb2, $tle2) =
                   3510:               ($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2);
                   3511:             ($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2) =
                   3512:               @diff_str[$idx*8..($idx+1)*8-1];
                   3513:             $lb1 = $INFINITY if ($lb1 < 0);
                   3514:             $lb2 = $INFINITY if ($lb2 < 0);
                   3515:             $le1 = $INFINITY if ($le1 < 0);
                   3516:             $le2 = $INFINITY if ($le2 < 0);
                   3517:             if ($te1 > $b1) {
                   3518:               ($b1, $lb1) = ($te1, $tle1);
                   3519:             }
                   3520:             if ($te2 > $b2) {
                   3521:               ($b2, $lb2) = ($te2, $tle2);
                   3522:             }
                   3523:
                   3524:             last if ($lb2 != $j);
                   3525:
                   3526:             my $begin_char = $r_culx - $b2;
                   3527:             $line =~ /^(.*)(.{$begin_char})$/;
                   3528:             $html_line .= spacedHtmlText($1) .
3.260     scop     3529:               '</span><span class="diff diff-unchanged">';
3.176     scop     3530:             $line = $2;
                   3531:           }
                   3532:           push(@right_html,
3.260     scop     3533:                sprintf('<td nowrap="nowrap"><span class="diff diff-unchanged"'.
                   3534:                        '>%s%s</span></td>',
                   3535:                        $html_line, spacedHtmlText($line)));
3.176     scop     3536:         } else {
                   3537:           $line = spacedHtmlText ($line);
3.260     scop     3538:           push @right_html, "<td class=\"diff diff-unchanged\">$line</td>";
3.176     scop     3539:         }
                   3540:       }
                   3541:       for (my $j = 0; $j < $leftRow || $j < $rightRow ; $j++) { # dump out both cols
                   3542:         print  '<tr>';
                   3543:         if ($j < $leftRow) {
                   3544:           print $left_html[$j];
                   3545:         } else {
3.260     scop     3546:           print '<td class="diff diff-changed-missing">&nbsp;</td>';
3.176     scop     3547:         }
                   3548:         if ($j < $rightRow) {
                   3549:           print $right_html[$j];
                   3550:         } else {
3.260     scop     3551:           print '<td class="diff diff-changed-missing">&nbsp;</td>';
3.176     scop     3552:         }
                   3553:         print "</tr>\n";
3.120     scop     3554:       }
3.176     scop     3555:     } else {
                   3556:       for (my $j = 0; $j < $leftRow || $j < $rightRow; $j++) { # dump both cols
                   3557:         print "<tr>\n";
                   3558:         if ($j < $leftRow) {
3.260     scop     3559:           print '<td class="diff diff-changed">&nbsp;' .
3.176     scop     3560:             spacedHtmlText(@$leftColRef[$j]) . '</td>';
                   3561:         } else {
3.260     scop     3562:           print '<td class="diff diff-changed-missing">&nbsp;</td>';
3.176     scop     3563:         }
                   3564:         print "\n";
3.120     scop     3565:
3.176     scop     3566:         if ($j < $rightRow) {
3.260     scop     3567:           print '<td class="diff diff-changed">&nbsp;' .
3.176     scop     3568:             spacedHtmlText(@$rightColRef[$j]) . '</td>';
                   3569:         } else {
3.260     scop     3570:           print '<td class="diff diff-changed-missing">&nbsp;</td>';
3.176     scop     3571:         }
                   3572:         print "\n</tr>\n";
3.120     scop     3573:       }
                   3574:     }
                   3575:   }
3.1       knu      3576: }
                   3577:
3.175     scop     3578:
3.263     scop     3579: #
                   3580: # Generates "human readable", HTMLified diffs.
                   3581: #
3.144     scop     3582: sub human_readable_diff($$)
3.120     scop     3583: {
                   3584:   my ($fh, $rev) = @_;
3.144     scop     3585:
3.169     scop     3586:   (my $where_nd       = $where)       =~ s|\.diff$||;
                   3587:   (my $filename       = $where_nd)    =~ s|^.*/||;
3.262     scop     3588:   (my $pathname       = $where_nd)    =~ s|((?<=/)Attic/)?[^/]*$||;
3.169     scop     3589:   (my $scriptwhere_nd = $scriptwhere) =~ s|\.diff$||;
3.120     scop     3590:
3.133     scop     3591:   navigateHeader($scriptwhere_nd, $pathname, $filename, $rev, 'diff');
3.120     scop     3592:
3.178     scop     3593:   # Read header to pick up read revision and date, if possible.
                   3594:
                   3595:   my ($r1d, $r1r, $r2d, $r2r);
3.120     scop     3596:   while (<$fh>) {
                   3597:     ($r1d, $r1r) = /\t(.*)\t(.*)$/ if (/^--- /);
                   3598:     ($r2d, $r2r) = /\t(.*)\t(.*)$/ if (/^\+\+\+ /);
                   3599:     last if (/^\+\+\+ /);
                   3600:   }
                   3601:
3.178     scop     3602:   my ($rev1, $date1);
3.120     scop     3603:   if (defined($r1r) && $r1r =~ /^(\d+\.)+\d+$/) {
                   3604:     $rev1  = $r1r;
                   3605:     $date1 = $r1d;
                   3606:   }
3.178     scop     3607:   my ($rev2, $date2);
3.120     scop     3608:   if (defined($r2r) && $r2r =~ /^(\d+\.)+\d+$/) {
                   3609:     $rev2  = $r2r;
                   3610:     $date2 = $r2d;
                   3611:   }
3.292     scop     3612:   $rev1  = $input{r1}      unless defined($rev1);
                   3613:   $rev1  = $input{tr1}     if (defined($rev1) && $rev1 eq 'text');
3.178     scop     3614:   $rev1  = 'unknown-left'  unless defined($rev1);
3.292     scop     3615:   $rev2  = $input{r2}      unless defined($rev2);
                   3616:   $rev2  = $input{tr2}     if (defined($rev2) && $rev2 eq 'text');
3.178     scop     3617:   $rev2  = 'unknown-right' unless defined($rev2);
                   3618:   $date1 = defined($date1) ? ', ' . htmlquote($date1) : '';
                   3619:   $date2 = defined($date2) ? ', ' . htmlquote($date2) : '';
3.120     scop     3620:
3.281     scop     3621:   my $link = uri_escape($filename) . ($query ? "$query;" : '?');
3.210     scop     3622:
3.144     scop     3623:   # Using <table style=\"border: none\" here breaks NS 4.x badly...
3.210     scop     3624:   print <<EOF;
                   3625: <h3 style="text-align: center">Diff for /$where_nd between versions $rev1 and $rev2</h3>
                   3626: <table border="0" cellspacing="0" cellpadding="0" width="100%" summary="Diff output">
3.144     scop     3627: <tr style="background-color: #ffffff">
3.210     scop     3628: <th style="text-align: center; vertical-align: top" width="50%">
3.281     scop     3629: <a href="${link}rev=$rev1">version $rev1</a>$date1
3.178     scop     3630: </th>
3.210     scop     3631: <th style="text-align: center; vertical-align: top" width="50%">
3.281     scop     3632: <a href="${link}rev=$rev2">version $rev2</a>$date2
3.144     scop     3633: </th>
3.178     scop     3634: </tr>
3.144     scop     3635: EOF
3.120     scop     3636:
                   3637:   # Process diff text
                   3638:   # prefetch several lines
                   3639:   my @buf = head($fh);
3.144     scop     3640:   my %d = scan_directives(@buf);
3.120     scop     3641:
3.144     scop     3642:   my $leftRow  = 0;
                   3643:   my $rightRow = 0;
                   3644:   my ($difftxt, @rightCol, @leftCol, $oldline, $newline, $funname);
3.120     scop     3645:
3.281     scop     3646:   $link .= 'content-type=text%2Fx-cvsweb-markup;';
                   3647:   $link .= 'ln=1;' unless ($link =~ /\?.*\bln=1\b/);
3.210     scop     3648:
3.120     scop     3649:   while (@buf || !eof($fh)) {
                   3650:     $difftxt = @buf ? shift @buf : <$fh>;
                   3651:
                   3652:     if ($difftxt =~ /^@@/) {
                   3653:       ($oldline, $newline, $funname) =
                   3654:         $difftxt =~ /@@ \-([0-9]+).*\+([0-9]+).*@@(.*)/;
                   3655:       $funname = htmlquote($funname);
                   3656:       $funname =~ s/\s/&nbsp;/go;
3.182     scop     3657:       $funname &&= "&nbsp;<span style=\"font-size: smaller\">$funname</span>";
3.210     scop     3658:       my $ol = $oldline || 1;
                   3659:       my $nl = $newline || 1;
3.144     scop     3660:
3.210     scop     3661:       print <<EOF;
3.182     scop     3662: <tr>
3.210     scop     3663: <td width="50%" class="diff-heading">
3.281     scop     3664:  <b><a href="${link}rev=$rev1#l$ol">Line&nbsp;$oldline</a></b>$funname
3.182     scop     3665: </td>
3.210     scop     3666: <td width="50%" class="diff-heading">
3.281     scop     3667:  <b><a href="${link}rev=$rev2#l$nl">Line&nbsp;$newline</a></b>$funname
3.144     scop     3668: </td>
3.208     scop     3669: </tr>
3.144     scop     3670: EOF
                   3671:
3.120     scop     3672:       $state    = "dump";
                   3673:       $leftRow  = 0;
                   3674:       $rightRow = 0;
                   3675:     } else {
3.224     scop     3676:       my ($diffcode, $rest) = $difftxt =~ /^([-+ ])(.*)/;
                   3677:       $diffcode = '' unless defined($diffcode);
3.176     scop     3678:       $_ = $rest;
3.120     scop     3679:
                   3680:       #########
                   3681:       # little state machine to parse unified-diff output (Hen, zeller@think.de)
                   3682:       # in order to get some nice 'ediff'-mode output
                   3683:       # states:
                   3684:       #  "dump"             - just dump the value
                   3685:       #  "PreChangeRemove"  - we began with '-' .. so this could be the start of a 'change' area or just remove
                   3686:       #  "PreChange"        - okey, we got several '-' lines and moved to '+' lines -> this is a change block
                   3687:       ##########
                   3688:
                   3689:       if ($diffcode eq '+') {
                   3690:         if ($state eq "dump")
                   3691:         {    # 'change' never begins with '+': just dump out value
3.254     scop     3692:           $_ = spacedHtmlText($rest, $d{tabstop});
3.144     scop     3693:           printf(<<EOF, $_);
                   3694: <tr>
3.260     scop     3695:  <td class="diff diff-empty">&nbsp;</td>
                   3696:  <td class="diff diff-added">&nbsp;%s</td>
3.144     scop     3697: </tr>
                   3698: EOF
3.120     scop     3699:         } else {    # we got minus before
                   3700:           $state = "PreChange";
                   3701:           $rightCol[$rightRow++] = $_;
                   3702:         }
                   3703:       } elsif ($diffcode eq '-') {
                   3704:         $state = "PreChangeRemove";
                   3705:         $leftCol[$leftRow++] = $_;
                   3706:       } else {    # empty diffcode
                   3707:         flush_diff_rows \@leftCol, \@rightCol, $leftRow, $rightRow;
3.254     scop     3708:         $_ = spacedHtmlText($rest, $d{tabstop});
3.147     scop     3709:         printf(<<EOF, $_, $_);
3.144     scop     3710: <tr>
3.260     scop     3711:  <td class="diff diff-same">&nbsp;%s</td>
                   3712:  <td class="diff diff-same">&nbsp;%s</td>
3.144     scop     3713: </tr>
                   3714: EOF
3.120     scop     3715:         $state    = "dump";
                   3716:         $leftRow  = 0;
                   3717:         $rightRow = 0;
                   3718:       }
                   3719:     }
                   3720:   }
                   3721:   close($fh);
                   3722:
                   3723:   flush_diff_rows \@leftCol, \@rightCol, $leftRow, $rightRow;
                   3724:
                   3725:   # state is empty if we didn't have any change
                   3726:   if (!$state) {
3.144     scop     3727:     print <<EOF;
                   3728: <tr>
                   3729:  <td colspan="2">&nbsp;</td>
                   3730: </tr>
3.260     scop     3731: <tr class="diff diff-empty">
3.144     scop     3732:  <td colspan="2" align="center"><b>- No viewable change -</b></td>
                   3733: </tr>
                   3734: EOF
3.120     scop     3735:   }
                   3736:
3.182     scop     3737:   printf(<<EOF, $scriptwhere);
3.144     scop     3738: </table>
3.208     scop     3739: <hr style="width: 100%%" />
3.144     scop     3740: <form method="get" action="%s">
3.182     scop     3741: <div style="float: left">
3.208     scop     3742: <label for="f">Diff format:<br />
3.144     scop     3743: EOF
3.168     scop     3744:   printDiffSelectStickyVars();
3.120     scop     3745:   printDiffSelect($use_java_script);
3.182     scop     3746:   printf(<<EOF, $rev1, $rev2);
3.179     scop     3747: </label>
3.208     scop     3748: <input type="submit" value="Show" />
3.182     scop     3749: </div>
                   3750: <table style="float: right; border: thin outset" cellspacing="0" cellpadding="1" title="Legend" summary="Legend">
                   3751:  <tr>
3.260     scop     3752:   <td align="center" class="diff diff-removed">Removed from v.%s</td>
                   3753:   <td class="diff diff-empty">&nbsp;</td>
                   3754:  </tr><tr class="diff diff-changed">
3.182     scop     3755:   <td align="center" colspan="2">changed lines</td>
                   3756:  </tr><tr>
3.260     scop     3757:   <td class="diff diff-empty">&nbsp;</td>
                   3758:   <td align="center" class="diff diff-added">Added in v.%s</td>
3.182     scop     3759:  </tr>
3.144     scop     3760: </table>
                   3761: </form>
3.208     scop     3762: <br clear="all" />
3.144     scop     3763: EOF
3.120     scop     3764: }
3.167     scop     3765:
                   3766:
3.245     scop     3767: sub doEnscript($$$;$)
3.167     scop     3768: {
3.240     scop     3769:   my ($filehandle, $highlight, $linenumbers, $lang) = @_;
                   3770:   $lang ||= 'cvsweb';
3.167     scop     3771:
3.174     scop     3772:   my @cmd = ($CMD{enscript},
                   3773:              @enscript_options,
3.240     scop     3774:              '-q', "--language=$lang", '-o', '-', "--highlight=$highlight");
3.174     scop     3775:
                   3776:   local *ENSCRIPT_OUT;
                   3777:   my ($h, $err) =
3.229     scop     3778:     startproc(\@cmd, $filehandle, '>pipe', \*ENSCRIPT_OUT);
3.174     scop     3779:   fatal('500 Internal Error', $err) unless $h;
                   3780:
                   3781:   # We could short-circuit and have enscript output directly to STDOUT above,
                   3782:   # but that doesn't work with mod_perl (at least some 1.99 versions).
                   3783:   if ($linenumbers) {
                   3784:     my $ln = 0;
                   3785:     while (<ENSCRIPT_OUT>) {
                   3786:       printf '<a id="l%d" class="src">%5d: </a>', (++$ln) x 2;
                   3787:       print $_;
3.167     scop     3788:     }
3.174     scop     3789:   } else {
                   3790:     local $/ = undef;
                   3791:     print <ENSCRIPT_OUT>;
3.167     scop     3792:   }
3.229     scop     3793:   $h->finish();
3.167     scop     3794: }
                   3795:
3.120     scop     3796:
3.271     scop     3797: #
                   3798: # The passed in $path and $filename should not be URI escaped, and $swhere
                   3799: # *should* be.
                   3800: #
3.163     scop     3801: sub navigateHeader($$$$$;$)
3.120     scop     3802: {
3.163     scop     3803:   my ($swhere, $path, $filename, $rev, $title, $moddate) = @_;
3.120     scop     3804:   $swhere = "" if ($swhere eq $scriptwhere);
3.271     scop     3805:   $swhere = './' . uri_escape($filename) if ($swhere eq "");
3.120     scop     3806:
3.136     scop     3807:   my $qfile = htmlquote($filename);
                   3808:   my $qpath = htmlquote($path);
3.274     scop     3809:   my $trev  = $rev ? " - " . htmlquote($rev) : '';
3.100     knu      3810:
3.298     simon    3811:   http_header('text/html', $moddate);
3.133     scop     3812:
3.120     scop     3813:   print <<EOF;
3.100     knu      3814: $HTML_DOCTYPE
3.89      knu      3815: <html>
                   3816: <head>
3.170     scop     3817: <title>$qpath$qfile - $title$trev</title>
3.144     scop     3818: $HTML_META$CSS</head>
3.129     scop     3819: <body class="src">
3.265     scop     3820: <table class="navigate-header" width="100%" summary="Navigation">
3.184     scop     3821:  <tr>
                   3822:   <td>
3.64      knu      3823: EOF
                   3824:
3.274     scop     3825:   my $frag = '';
                   3826:   if ($rev) {
                   3827:     $frag  = '#';
                   3828:     $frag .= 'rev' if ($rev =~ /\./);  # Normal revision: prefix with "rev".
                   3829:     $frag .= $rev;                     # Append revision/branch/tag.
                   3830:   }
                   3831:   my $backurl = "$swhere$query$frag";
                   3832:
                   3833:   print &link($backicon, $backurl);
                   3834:   printf '<b>Return to %s CVS log', &link($qfile, $backurl);
3.120     scop     3835:   print "</b> $fileicon</td>";
                   3836:
3.144     scop     3837:   printf(<<EOF, $diricon, &clickablePath($path, 1));
3.182     scop     3838:   <td style="text-align: right">%s <b>Up to %s</b></td>
3.144     scop     3839:  </tr>
                   3840: </table>
                   3841: EOF
3.120     scop     3842: }
                   3843:
3.175     scop     3844:
3.120     scop     3845: sub plural_write($$)
                   3846: {
                   3847:   my ($num, $text) = @_;
                   3848:   if ($num != 1) {
                   3849:     $text .= "s";
                   3850:   }
                   3851:
                   3852:   if ($num > 0) {
                   3853:     return join (' ', $num, $text);
                   3854:   } else {
                   3855:     return "";
                   3856:   }
3.1       knu      3857: }
                   3858:
3.175     scop     3859:
3.1       knu      3860: ##
                   3861: # print readable timestamp in terms of
                   3862: # '..time ago'
                   3863: # H. Zeller <zeller@think.de>
                   3864: ##
3.120     scop     3865: sub readableTime($$)
                   3866: {
                   3867:   my ($secs, $long) = @_;
                   3868:
3.175     scop     3869:   # This function works correctly for time >= 2 seconds.
                   3870:   return 'very little time' if ($secs < 2);
3.120     scop     3871:
                   3872:   my %desc = (
3.133     scop     3873:               1        => 'second',
                   3874:               60       => 'minute',
                   3875:               3600     => 'hour',
                   3876:               86400    => 'day',
                   3877:               604800   => 'week',
                   3878:               2628000  => 'month',
                   3879:               31536000 => 'year'
                   3880:              );
                   3881:
3.120     scop     3882:   my @breaks = sort { $a <=> $b } keys %desc;
3.133     scop     3883:   my $i = 0;
3.120     scop     3884:
                   3885:   while ($i <= $#breaks && $secs >= 2 * $breaks[$i]) {
                   3886:     $i++;
                   3887:   }
                   3888:   $i--;
3.133     scop     3889:   my $break  = $breaks[$i];
                   3890:   my $retval = plural_write(int($secs / $break), $desc{$break});
3.120     scop     3891:
                   3892:   if ($long == 1 && $i > 0) {
                   3893:     my $rest = $secs % $break;
                   3894:     $i--;
                   3895:     $break = $breaks[$i];
                   3896:     my $resttime = plural_write(int($rest / $break), $desc{$break});
                   3897:     if ($resttime) {
                   3898:       $retval .= ", $resttime";
                   3899:     }
                   3900:   }
3.1       knu      3901:
3.120     scop     3902:   return $retval;
3.1       knu      3903: }
                   3904:
3.175     scop     3905:
3.1       knu      3906: #
3.263     scop     3907: # Returns a htmlified path where each directory is a link for faster
                   3908: # navigation.  $clickLast controls whether the basename
3.271     scop     3909: # (last directory/file) is a link as well.  The passed in $pathname should
                   3910: # *not* be URI escaped.
3.263     scop     3911: #
3.120     scop     3912: sub clickablePath($$)
                   3913: {
                   3914:   my ($pathname, $clickLast) = @_;
                   3915:
3.154     scop     3916:   my $root = '[' . htmlquote($CVSROOTdescr{$cvstree} || $cvstree) . ']';
                   3917:
3.144     scop     3918:   # This should never happen (see chooseCVSRoot()), but let's be sure...
3.154     scop     3919:   return $root if ($pathname eq '/');
3.120     scop     3920:
3.144     scop     3921:   my $retval =
3.154     scop     3922:     ' ' . &link($root, sprintf('%s/%s#dirlist', $scriptname, $query));
3.144     scop     3923:   my $wherepath = '';
                   3924:   my ($lastslash) = $pathname =~ m|/$|;
                   3925:
3.261     scop     3926:   foreach (split(m|/|, $pathname)) {
3.144     scop     3927:     $retval .= ' / ';
                   3928:     $wherepath .= "/$_";
                   3929:     my $last = "$wherepath/" eq "/$pathname" || $wherepath eq "/$pathname";
                   3930:
                   3931:     if ($clickLast || !$last) {
                   3932:       $retval .= &link(htmlquote($_),
                   3933:                        join ('',
3.271     scop     3934:                              $scriptname, uri_escape_path($wherepath),
3.144     scop     3935:                              (!$last || $lastslash ? '/' : ''), $query,
                   3936:                              (!$last || $lastslash ? "#dirlist" : "")));
                   3937:     } else {    # do not make a link to the current dir
                   3938:       $retval .= htmlquote($_);
3.120     scop     3939:     }
                   3940:   }
                   3941:   return $retval;
                   3942: }
                   3943:
3.144     scop     3944:
3.120     scop     3945: sub chooseCVSRoot()
                   3946: {
3.268     scop     3947:   print "<form method=\"get\" action=\"$scriptwhere\">\n<p>\n";
3.120     scop     3948:   if (2 <= @CVSROOT) {
3.133     scop     3949:     foreach my $k (keys %input) {
3.208     scop     3950:       printf("<input type=\"hidden\" name=\"%s\" value=\"%s\" />\n",
3.154     scop     3951:              htmlquote($k), htmlquote($input{$k}))
                   3952:         if ($input{$k} && $k ne 'cvsroot');
3.120     scop     3953:     }
                   3954:
3.144     scop     3955:     printf(<<EOF, $use_java_script ? ' onchange="this.form.submit()"' : '');
3.208     scop     3956: <label for="cvsroot" accesskey="C">CVS Root:
3.144     scop     3957: <select id="cvsroot" name="cvsroot"%s>
                   3958: EOF
3.120     scop     3959:
3.133     scop     3960:     foreach my $k (@CVSROOT) {
3.136     scop     3961:       printf("<option value=\"%s\"%s>%s</option>\n",
                   3962:              htmlquote($k),
3.208     scop     3963:              ($k eq $cvstree) ? ' selected="selected"' : '',
3.136     scop     3964:              htmlquote($CVSROOTdescr{$k} || $k));
3.120     scop     3965:     }
3.208     scop     3966:     print '</select></label>';
3.120     scop     3967:   } else {
                   3968:
                   3969:     # no choice -- but we need the form to select module/path,
                   3970:     # at least for Netscape
3.208     scop     3971:     printf "CVS Root: <b>[%s]</b>",
3.154     scop     3972:       htmlquote($CVSROOTdescr{$cvstree} || $cvstree);
3.120     scop     3973:   }
                   3974:
3.144     scop     3975:   print <<EOF;
                   3976: <label for="mpath" accesskey="M">
                   3977: Module path or alias:
3.208     scop     3978: <input type="text" id="mpath" name="path" value="" size="15" />
3.144     scop     3979: </label>
3.208     scop     3980: <input type="submit" value="Go" accesskey="O" />
                   3981: </p>
                   3982: </form>
3.144     scop     3983: EOF
3.120     scop     3984: }
                   3985:
3.175     scop     3986:
3.120     scop     3987: sub chooseMirror()
                   3988: {
                   3989:   # This code comes from the original BSD-cvsweb
                   3990:   # and may not be useful for your site; If you don't
                   3991:   # set %MIRRORS this won't show up, anyway.
                   3992:   scalar(%MIRRORS) or return;
                   3993:
                   3994:   # Should perhaps exclude the current site somehow...
                   3995:   print "\n<p>\nThis CVSweb is mirrored in\n";
                   3996:
                   3997:   my @tmp = map(&link(htmlquote($_), $MIRRORS{$_}), sort keys %MIRRORS);
                   3998:   my $tmp = pop (@tmp);
                   3999:
                   4000:   if (scalar(@tmp)) {
                   4001:     print join (', ', @tmp), ' and ';
                   4002:   }
                   4003:
                   4004:   print "$tmp.\n</p>\n";
                   4005: }
                   4006:
3.175     scop     4007:
3.120     scop     4008: sub fileSortCmp()
                   4009: {
3.175     scop     4010:   (my $af = $a) =~ s/,v$//;
                   4011:   (my $bf = $b) =~ s/,v$//;
3.120     scop     4012:   my ($rev1, $date1, $log1, $author1, $filename1) = @{$fileinfo{$af}}
                   4013:     if (defined($fileinfo{$af}));
                   4014:   my ($rev2, $date2, $log2, $author2, $filename2) = @{$fileinfo{$bf}}
                   4015:     if (defined($fileinfo{$bf}));
                   4016:
3.175     scop     4017:   my $comp = 0;
3.140     scop     4018:   if (defined($filename1) && defined($filename2) &&
                   4019:       $af eq $filename1   && $bf eq $filename2)
3.120     scop     4020:   {
                   4021:
                   4022:     # Two files
3.140     scop     4023:     $comp = -revcmp($rev1, $rev2)             if ($byrev  && $rev1  && $rev2);
                   4024:     $comp = ($date2   <=> $date1)             if ($bydate && $date1 && $date2);
                   4025:     if ($input{ignorecase}) {
                   4026:       $comp = (uc($log1)    cmp uc($log2))    if ($bylog && $log1 && $log2);
                   4027:       $comp = (uc($author1) cmp uc($author2)) if ($byauthor &&
                   4028:                                                   $author1 && $author2);
                   4029:     } else {
                   4030:       $comp = ($log1    cmp $log2)            if ($bylog && $log1 && $log2);
                   4031:       $comp = ($author1 cmp $author2)         if ($byauthor &&
                   4032:                                                   $author1 && $author2);
                   4033:     }
3.120     scop     4034:   }
                   4035:
                   4036:   if ($comp == 0) {
                   4037:
                   4038:     # Directories first, then files under version control,
                   4039:     # then other, "rogue" files.
                   4040:     # Sort by filename if no other criteria available.
                   4041:
                   4042:     my $ad = (
                   4043:       (-d "$fullname/$a")
                   4044:       ? 'D'
                   4045:       : (defined($fileinfo{$af}) ? 'F' : 'R')
                   4046:     );
                   4047:     my $bd = (
                   4048:       (-d "$fullname/$b")
                   4049:       ? 'D'
                   4050:       : (defined($fileinfo{$bf}) ? 'F' : 'R')
                   4051:     );
3.175     scop     4052:     (my $c = $a) =~ s|.*/||;
                   4053:     (my $d = $b) =~ s|.*/||;
3.144     scop     4054:
                   4055:     my ($l, $r) = ("$ad$c", "$bd$d");
                   4056:     $comp = $input{ignorecase} ? (uc($l) cmp uc($r)) : ($l cmp $r);
                   4057:
                   4058:     # Parent dir is always first, then Attic.
                   4059:     if ($comp != 0) {
                   4060:       if ($l eq 'D..') {
3.149     scop     4061:         $comp = -1;
3.144     scop     4062:       } elsif ($r eq 'D..') {
3.149     scop     4063:         $comp = 1;
3.144     scop     4064:       } elsif ($l eq 'DAttic') {
3.149     scop     4065:         $comp = -1;
3.144     scop     4066:       } elsif ($r eq 'DAttic') {
3.149     scop     4067:         $comp = 1;
3.144     scop     4068:       }
                   4069:     }
3.120     scop     4070:   }
                   4071:   return $comp;
3.1       knu      4072: }
                   4073:
3.220     scop     4074: #
                   4075: # Returns a URL to download the selected revision.
3.271     scop     4076: # Expects the passed in URL to be URI escaped, relative, and without a query
                   4077: # string.
3.220     scop     4078: #
3.120     scop     4079: sub download_url($$;$)
                   4080: {
                   4081:   my ($url, $revision, $mimetype) = @_;
3.252     scop     4082:   my @dots = $revision =~ /\./g;
                   4083:   $revision =~ s/\b0\.(?=\d+$)// if (scalar(@dots) & 1);
3.1       knu      4084:
3.222     scop     4085:   if (!defined($mimetype) || $mimetype !~ CVSWEBMARKUP) {
3.120     scop     4086:     my $path = $where;
                   4087:     $path =~ s|[^/]+$||;
3.261     scop     4088:     $url = "$scriptname/$CheckoutMagic/$path$url";
3.120     scop     4089:   }
3.219     scop     4090:   $url .= '?rev=' . uri_escape($revision);
                   4091:   $url .= ';content-type=' . uri_escape($mimetype) if $mimetype;
3.67      knu      4092:
3.175     scop     4093:   return $url;
3.1       knu      4094: }
                   4095:
3.175     scop     4096: #
3.220     scop     4097: # Returns a link to download the selected revision.
3.271     scop     4098: # Expects the passed in URL to be URI escaped, relative,
                   4099: # and without a query string.
3.175     scop     4100: #
3.120     scop     4101: sub download_link($$$;$)
                   4102: {
                   4103:   my ($url, $revision, $textlink, $mimetype) = @_;
3.220     scop     4104:   return sprintf('<a href="%s" class="download-link">%s</a>',
3.271     scop     4105:                  download_url($url, $revision, $mimetype) . $barequery,
                   4106:                  htmlquote($textlink));
3.218     scop     4107: }
3.120     scop     4108:
3.219     scop     4109: #
                   4110: # Returns a URL to display the selected revision.
3.263     scop     4111: # Expects the passed in URL to be URI escaped, and without a query string.
3.219     scop     4112: #
                   4113: sub display_url($$;$)
                   4114: {
                   4115:   my ($url, $revision, $mimetype) = @_;
                   4116:   $url .= '?rev=' . uri_escape($revision);
                   4117:   $url .= ';content-type=' . uri_escape($mimetype) if $mimetype;
                   4118:   return $url;
                   4119: }
                   4120:
                   4121: #
                   4122: # Returns a link to display the selected revision.
3.263     scop     4123: # Expects the passed in URL to be URI escaped, and without a query string.
3.219     scop     4124: #
                   4125: sub display_link($$;$$)
                   4126: {
                   4127:   my ($url, $revision, $textlink, $mtype) = @_;
                   4128:   $textlink = $revision unless defined($textlink);
                   4129:   return sprintf('<a href="%s" class="display-link">%s</a>',
3.271     scop     4130:                  display_url($url, $revision, $mtype) . $barequery,
3.219     scop     4131:                  htmlquote($textlink));
                   4132: }
3.132     scop     4133:
3.271     scop     4134: #
                   4135: # Expects the passed in URL to be URI escaped, and without a query string.
                   4136: # The passed in link text should be already HTML escaped as appropriate.
                   4137: #
3.170     scop     4138: sub graph_link($;$)
3.132     scop     4139: {
3.170     scop     4140:   my ($url, $text) = @_;
3.132     scop     4141:   $text ||= $graphicon;
3.271     scop     4142:   return sprintf('<a href="%s?graph=1%s">%s</a>', $url, $barequery, $text);
3.258     scop     4143: }
                   4144:
                   4145: #
                   4146: # Returns a link to CVSHistory for the given directory and filename.
                   4147: #
                   4148: sub history_link($$;$)
                   4149: {
                   4150:   my ($dir, $file, $text) = @_;
                   4151:   $dir  ||= '';
                   4152:   $file ||= '';
                   4153:   $text ||= 'History';
                   4154:   return &link($text,
                   4155:                sprintf('%s?cvsroot=%s;dsearch=%s;fsearch=%s;limit=1',
                   4156:                        $cvshistory_url, uri_escape($input{cvsroot} || ''),
                   4157:                        uri_escape($dir), uri_escape($file)));
3.1       knu      4158: }
                   4159:
                   4160: # Returns a Query string with the
                   4161: # specified parameter toggled
3.140     scop     4162: sub toggleQuery($;$)
3.120     scop     4163: {
                   4164:   my ($toggle, $value) = @_;
3.133     scop     4165:
                   4166:   my %vars = %input;
3.120     scop     4167:
                   4168:   if (defined($value)) {
                   4169:     $vars{$toggle} = $value;
                   4170:   } else {
                   4171:     $vars{$toggle} = $vars{$toggle} ? 0 : 1;
                   4172:   }
                   4173:
                   4174:   # Build a new query of non-default paramenters
3.133     scop     4175:   my $newquery = "";
                   4176:   foreach my $var (@stickyvars) {
3.120     scop     4177:     my ($value)   = defined($vars{$var})         ? $vars{$var}         : "";
                   4178:     my ($default) = defined($DEFAULTVALUE{$var}) ? $DEFAULTVALUE{$var} : "";
                   4179:
                   4180:     if ($value ne $default) {
3.203     scop     4181:       $newquery .= ';' if ($newquery ne "");
3.206     scop     4182:       $newquery .= uri_escape($var) . '=' . uri_escape($value);
3.120     scop     4183:     }
                   4184:   }
                   4185:
                   4186:   if ($newquery) {
                   4187:     return '?' . $newquery;
                   4188:   }
                   4189:   return "";
                   4190: }
                   4191:
                   4192: sub htmlquote($)
                   4193: {
                   4194:   local ($_) = @_;
                   4195:   # Special Characters; RFC 1866
                   4196:   s/&/&amp;/g;
                   4197:   s/\"/&quot;/g;
                   4198:   s/</&lt;/g;
                   4199:   s/>/&gt;/g;
3.175     scop     4200:   return $_;
3.120     scop     4201: }
                   4202:
                   4203: sub htmlunquote($)
                   4204: {
                   4205:   local ($_) = @_;
                   4206:   # Special Characters; RFC 1866
                   4207:   s/&quot;/\"/g;
                   4208:   s/&lt;/</g;
                   4209:   s/&gt;/>/g;
                   4210:   s/&amp;/&/g;
3.175     scop     4211:   return $_;
3.120     scop     4212: }
                   4213:
3.271     scop     4214: sub uri_escape_path($)
3.120     scop     4215: {
3.271     scop     4216:   return join('/', map(uri_escape($_), split(m|/+|, shift, -1)));
3.120     scop     4217: }
                   4218:
3.163     scop     4219: sub http_header(;$$)
3.120     scop     4220: {
3.163     scop     4221:   my ($content_type, $moddate) = @_;
                   4222:   $content_type ||= 'text/html';
3.120     scop     4223:
                   4224:   $content_type .= "; charset=$charset"
3.163     scop     4225:     if ($charset && $content_type =~ m,^text/,);
3.120     scop     4226:
3.185     scop     4227:   # Note that in the following, we explicitly join() and concatenate the
                   4228:   # headers instead of printing them as an array.  This is because some
                   4229:   # systems, eg. early versions of mod_perl 2 don't quite get it if the
                   4230:   # last \r\n\r\n isn't included in the last "payload" header print().
                   4231:
                   4232:   my @headers = ();
                   4233:   # TODO: ctime(3) from scalar gmtime() isn't HTTP compliant, see HTTP::Date.
                   4234:   push(@headers, 'Last-Modified: ' . scalar gmtime($moddate) . ' GMT')
                   4235:     if $moddate;
                   4236:   push(@headers, 'Content-Type: ' . $content_type);
3.120     scop     4237:
                   4238:   if ($allow_compress && $maycompress) {
3.222     scop     4239:     if (HAS_ZLIB
3.120     scop     4240:         || (defined($CMD{gzip}) && open(GZIP, "| $CMD{gzip} -1 -c")))
                   4241:     {
                   4242:
3.299     simon    4243:       push(@headers, 'Content-Encoding: gzip');
3.185     scop     4244:       push(@headers, 'Vary: Accept-Encoding');     # RFC 2616, 14.44
                   4245:       print join("\r\n", @headers) . "\r\n\r\n";
                   4246:
3.120     scop     4247:       $| = 1;
3.185     scop     4248:       $| = 0;                                      # Flush header output.
3.120     scop     4249:
3.222     scop     4250:       tie(*GZIP, __PACKAGE__, \*STDOUT) if HAS_ZLIB;
3.120     scop     4251:       select(GZIP);
                   4252:       $gzip_open = 1;
                   4253:
                   4254:     } else {
3.185     scop     4255:
                   4256:       print join("\r\n", @headers) . "\r\n\r\n";
3.230     scop     4257:       printf
                   4258:         '<span style="font-size: smaller">Unable to find gzip binary in the <b>$command_path</b> (<code>%s</code>) to compress output</span><br />',
                   4259:           htmlquote(join(':', @command_path));
3.120     scop     4260:     }
3.185     scop     4261:
3.120     scop     4262:   } else {
3.185     scop     4263:     print join("\r\n", @headers) . "\r\n\r\n";
3.120     scop     4264:   }
                   4265: }
                   4266:
3.131     scop     4267:
3.163     scop     4268: sub html_header($;$)
3.120     scop     4269: {
3.163     scop     4270:   my ($title, $moddate) = @_;
3.288     scop     4271:   $title  = htmlquote($title);
                   4272:   my $l   = $logo || '';
                   4273:   my $css = $CSS || '';
3.163     scop     4274:   http_header('text/html', $moddate);
3.120     scop     4275:   print <<EOH;
3.100     knu      4276: $HTML_DOCTYPE
3.1       knu      4277: <html>
3.40      knu      4278: <head>
3.134     scop     4279: <title>$title</title>
3.288     scop     4280: $HTML_META$css</head>
3.129     scop     4281: <body>
3.182     scop     4282: $l <h1>$title</h1>
3.1       knu      4283: EOH
                   4284: }
                   4285:
3.120     scop     4286: sub html_footer()
                   4287: {
3.208     scop     4288:   print "<hr />\n<address>$address</address>\n" if $address;
3.127     scop     4289:   print "</body>\n</html>\n";
3.1       knu      4290: }
                   4291:
3.120     scop     4292: sub link_tags($)
                   4293: {
                   4294:   my ($tags) = @_;
                   4295:
3.261     scop     4296:   (my $filename = $where) =~ s|^.*/||;
3.271     scop     4297:   my $fileurl = './' . uri_escape($filename);
3.120     scop     4298:
3.261     scop     4299:   my $ret = "";
                   4300:   foreach my $sym (split(", ", $tags)) {
3.120     scop     4301:     $ret .= ",\n" if ($ret ne "");
3.136     scop     4302:     $ret .= &link(htmlquote($sym),
                   4303:                   $fileurl . toggleQuery('only_with_tag', $sym));
3.120     scop     4304:   }
3.219     scop     4305:   return $ret;
3.1       knu      4306: }
                   4307:
3.175     scop     4308:
3.1       knu      4309: #
3.233     scop     4310: # See if a file/dir is listed in the config file's @ForbiddenFiles list.
                   4311: # Takes a full file system path or one relative to $cvsroot, and strips the
                   4312: # trailing ",v" if present, then compares.  Returns 1 if forbidden, else 0.
3.221     scop     4313: #
3.233     scop     4314: sub forbidden($)
3.120     scop     4315: {
3.233     scop     4316:   (my $path = canonpath(shift)) =~ s/,v$//;
                   4317:   $path =~ s|^$cvsroot/+||;
3.175     scop     4318:   for my $forbidden_re (@ForbiddenFiles) {
                   4319:     return 1 if ($path =~ $forbidden_re);
3.120     scop     4320:   }
                   4321:   return 0;
3.174     scop     4322: }
                   4323:
                   4324:
                   4325: #
                   4326: # Starts a process using IPC::Run.  All arguments are passed to
                   4327: # IPC::Run::start() as-is.  Returns an array ($harness, $error) where
                   4328: # $harness is from IPC::Run if start() succeeds, undef otherwise.  In case
3.184     scop     4329: # of an error, $error contains the error message.
3.174     scop     4330: #
3.191     scop     4331: sub startproc(@)
3.174     scop     4332: {
3.215     scop     4333:   my $h = my $err = undef;
3.174     scop     4334:   eval {
                   4335:     local $SIG{__DIE__};
3.215     scop     4336:     $h = IPC::Run::start(@_) or die("return code: $?");
3.174     scop     4337:   };
3.215     scop     4338:   if ($@) {
3.229     scop     4339:     $h->finish() if $h;
3.215     scop     4340:     $h = undef;
                   4341:     $err = "'@{$_[0]}' failed: $@";
                   4342:   }
3.174     scop     4343:   return ($h, $err);
3.215     scop     4344: }
                   4345:
                   4346: #
                   4347: # Runs a process using IPC::Run.  All arguments are passed to
                   4348: # IPC::Run::run() as-is.  Returns an array ($exitcode, $errormsg).
                   4349: #
                   4350: sub runproc(@)
                   4351: {
                   4352:   eval {
                   4353:     local $SIG{__DIE__};
                   4354:     IPC::Run::run(@_);
                   4355:   };
                   4356:   my $exitcode = $? >> 8;
                   4357:   my $errormsg  = undef;
                   4358:   if ($@) {
                   4359:     $exitcode ||= -1;
                   4360:     $errormsg = "'@{$_[0]}' failed: $@";
                   4361:   }
                   4362:   return ($exitcode, $errormsg);
3.129     scop     4363: }
                   4364:
3.225     scop     4365: #
                   4366: # Check out a file to a temporary file.
                   4367: #
                   4368: sub checkout_to_temp($$$)
                   4369: {
                   4370:   my ($cvsroot, $cvsname, $rev) = @_;
3.25      knu      4371:
3.225     scop     4372:   # Pipe given cvs file into a temporary place.
                   4373:   my ($temp_fh, $temp_fn) = tempfile('.cvsweb.XXXXXXXX', DIR => tmpdir());
                   4374:
                   4375:   my @cmd = ($CMD{cvs}, @cvs_options, '-Qd', $cvsroot,
                   4376:              'co', '-p', "-r$rev", $cvsname);
                   4377:
                   4378:   local (*DIFF_OUT);
                   4379:   my ($h, $err) = startproc(\@cmd, \"", '>pipe', \*DIFF_OUT);
                   4380:   if ($h) {
                   4381:     local $/ = undef;
                   4382:     print $temp_fh <DIFF_OUT>;
3.229     scop     4383:     $h->finish();
3.225     scop     4384:     close($temp_fh);
                   4385:   } else {
                   4386:     close($temp_fh);
                   4387:     unlink($temp_fn);
                   4388:     fatal('500 Internal Error',
                   4389:           'Checkout failure (exit status %s), output: <pre>%s</pre>',
                   4390:           $? >> 8 || -1, $err);
                   4391:   }
                   4392:
                   4393:   return $temp_fn;
                   4394: }
                   4395:
                   4396: #
3.173     scop     4397: # Close the GZIP handle, and remove the tie.
3.225     scop     4398: #
3.120     scop     4399: sub gzipclose
                   4400: {
                   4401:   if ($gzip_open) {
                   4402:     select(STDOUT);
                   4403:     close(GZIP);
                   4404:     untie *GZIP;
                   4405:     $gzip_open = 0;
                   4406:   }
3.23      knu      4407: }
                   4408:
                   4409: # implement a gzipped file handle via the Compress:Zlib compression
                   4410: # library.
                   4411:
                   4412: sub MAGIC1() { 0x1f }
                   4413: sub MAGIC2() { 0x8b }
3.80      knu      4414: sub OSCODE() { 3 }
3.23      knu      4415:
3.120     scop     4416: sub TIEHANDLE
                   4417: {
                   4418:   my ($class, $out) = @_;
                   4419:   my ($d) = Compress::Zlib::deflateInit(
                   4420:     -Level      => Compress::Zlib::Z_BEST_COMPRESSION(),
                   4421:     -WindowBits => -Compress::Zlib::MAX_WBITS()
                   4422:     )
                   4423:     or return undef;
                   4424:   my ($o) = { handle => $out,
                   4425:               dh     => $d,
                   4426:               crc    => 0,
                   4427:               len    => 0,
                   4428:             };
                   4429:   my ($header) = pack("c10",
                   4430:                       MAGIC1, MAGIC2, Compress::Zlib::Z_DEFLATED(),
                   4431:                       0, 0, 0, 0, 0, 0, OSCODE);
                   4432:   print {$o->{handle}} $header;
                   4433:   return bless($o, $class);
                   4434: }
                   4435:
                   4436: sub PRINT
                   4437: {
                   4438:   my ($o)   = shift;
3.164     scop     4439:   my ($buf) = join (defined($,) ? $, : "", @_);
3.120     scop     4440:   my ($len) = length($buf);
                   4441:   my ($compressed, $status) = $o->{dh}->deflate($buf);
                   4442:   print {$o->{handle}} $compressed if defined($compressed);
                   4443:   $o->{crc} = Compress::Zlib::crc32($buf, $o->{crc});
                   4444:   $o->{len} += $len;
                   4445:   return $len;
                   4446: }
                   4447:
                   4448: sub PRINTF
                   4449: {
                   4450:   my ($o)   = shift;
                   4451:   my ($fmt) = shift;
                   4452:   my ($buf) = sprintf($fmt, @_);
                   4453:   my ($len) = length($buf);
                   4454:   my ($compressed, $status) = $o->{dh}->deflate($buf);
                   4455:   print {$o->{handle}} $compressed if defined($compressed);
                   4456:   $o->{crc} = Compress::Zlib::crc32($buf, $o->{crc});
                   4457:   $o->{len} += $len;
                   4458:   return $len;
                   4459: }
                   4460:
                   4461: sub WRITE
                   4462: {
                   4463:   my ($o, $buf, $len, $off) = @_;
                   4464:   my ($compressed, $status) = $o->{dh}->deflate(substr($buf, 0, $len));
                   4465:   print {$o->{handle}} $compressed if defined($compressed);
                   4466:   $o->{crc} = Compress::Zlib::crc32(substr($buf, 0, $len), $o->{crc});
                   4467:   $o->{len} += $len;
                   4468:   return $len;
                   4469: }
                   4470:
                   4471: sub CLOSE
                   4472: {
                   4473:   my ($o) = @_;
                   4474:   return if !defined($o->{dh});
                   4475:   my ($buf) = $o->{dh}->flush();
                   4476:   $buf .= pack("V V", $o->{crc}, $o->{len});
                   4477:   print {$o->{handle}} $buf;
                   4478:   undef $o->{dh};
                   4479: }
                   4480:
                   4481: sub DESTROY
                   4482: {
                   4483:   my ($o) = @_;
                   4484:   CLOSE($o);
1.1       jfieber  4485: }
3.149     scop     4486:
                   4487: # Local variables:
                   4488: # indent-tabs-mode: nil
                   4489: # cperl-indent-level: 2
                   4490: # End:

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