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Annotation of cvsweb/cvsweb.cgi, Revision 4.15

4.5       schwarze    1: #!/usr/bin/perl
4.15    ! schwarze    2: # $Id: cvsweb.cgi,v 4.14 2019/11/11 12:46:23 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;
3.204     scop       53: use warnings;
                     54: use filetest qw(access);
                     55:
3.1       knu        56: use vars qw (
3.273     scop       57:   $VERSION $CheckoutMagic $MimeTypes $DEBUG
3.144     scop       58:   $config $allow_version_select
3.120     scop       59:   @CVSrepositories @CVSROOT %CVSROOT %CVSROOTdescr
                     60:   %MIRRORS %DEFAULTVALUE %ICONS %MTYPES
3.225     scop       61:   %DIFF_COMMANDS @DIFFTYPES %DIFFTYPES @LOGSORTKEYS %LOGSORTKEYS
3.129     scop       62:   %alltags %fileinfo %tags @branchnames %nameprinted
3.120     scop       63:   %symrev %revsym @allrevisions %date %author @revdisplayorder
3.152     scop       64:   @revisions %state %difflines %log %branchpoint @revorder $keywordsubstitution
3.120     scop       65:   $prcgi @prcategories $re_prcategories $prkeyword $re_prkeyword $mancgi
3.222     scop       66:   $doCheckout $scriptname $scriptwhere
4.2       schwarze   67:   $where $Browser $nofilelinks $maycompress @stickyvars
3.120     scop       68:   $is_links $is_lynx $is_w3m $is_msie $is_mozilla3 $is_textbased
                     69:   %input $query $barequery $sortby $bydate $byrev $byauthor
                     70:   $bylog $byfile $defaultDiffType $logsort $cvstree $cvsroot
3.230     scop       71:   $charset $output_filter
                     72:   @command_path %CMD $allow_compress $backicon $diricon $fileicon $graphicon
3.264     scop       73:   $fullname $cvstreedefault $logo $defaulttitle $address $binfileicon
3.131     scop       74:   $long_intro $short_instruction $shortLogLen $show_author
3.129     scop       75:   $tablepadding $hr_breakable $showfunc $hr_ignwhite $hr_ignkeysubst
3.290     scop       76:   $inputTextSize $mime_types $allow_annotate $allow_markup $allow_mailtos
3.120     scop       77:   $allow_log_extra $allow_dir_extra $allow_source_extra
3.218     scop       78:   $allow_cvsgraph $cvsgraph_config $use_java_script $edit_option_form
3.144     scop       79:   $show_subdir_lastmod $show_log_in_markup $preformat_in_markup
3.233     scop       80:   $tabstop $state $annTable $sel @ForbiddenFiles
                     81:   $use_descriptions %descriptions @mytz $dwhere
3.222     scop       82:   $use_moddate $gzip_open $file_list_len
3.120     scop       83:   $allow_tar @tar_options @gzip_options @zip_options @cvs_options
3.222     scop       84:   @annotate_options @rcsdiff_options
3.257     scop       85:   $HTML_DOCTYPE $HTML_META $cssurl $CSS $cvshistory_url
3.222     scop       86:   $allow_enscript @enscript_options %enscript_types
3.1       knu        87: );
                     88:
4.13      schwarze   89: require Compress::Zlib;
3.285     scop       90: use Cwd                   qw(abs_path);
3.171     scop       91: use File::Path            qw(rmtree);
3.232     scop       92: use File::Spec::Functions qw(canonpath catdir catfile curdir devnull rootdir
                     93:                              tmpdir updir);
3.225     scop       94: use File::Temp            qw(tempdir tempfile);
3.229     scop       95: use IPC::Run              qw();
3.172     scop       96: use Time::Local           qw(timegm);
3.206     scop       97: use URI::Escape           qw(uri_escape uri_unescape);
3.122     scop       98:
3.222     scop       99: use constant VALID_PATH   => qr/^([[:^cntrl:]]+)$/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:
3.122     scop      106: # -----------------------------------------------------------------------------
                    107:
                    108: # All global initialization that can be done in compile time should go to
                    109: # the BEGIN block.  Persistent environments, such as mod_perl, will benefit
                    110: # from this.
                    111:
                    112: BEGIN
                    113: {
4.8       schwarze  114:   $VERSION = '3.1';
3.122     scop      115:
                    116:   $HTML_DOCTYPE =
3.208     scop      117:     '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" ' .
                    118:     '"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">';
3.122     scop      119:
                    120:   $HTML_META = <<EOM;
3.208     scop      121: <meta name="robots" content="nofollow" />
                    122: <meta name="generator" content="FreeBSD-CVSweb $VERSION" />
                    123: <meta http-equiv="Content-Script-Type" content="text/javascript" />
                    124: <meta http-equiv="Content-Style-Type" content="text/css" />
3.122     scop      125: EOM
                    126:
3.156     scop      127:   # Use MIME::Types for MIME type lookups if it's available.
                    128:   eval {
                    129:     require MIME::Types;
3.223     scop      130:     $MimeTypes = MIME::Types->new(only_complete => 1);
3.156     scop      131:   };
                    132:   $MimeTypes = undef if $@;
                    133:
3.222     scop      134:   $CheckoutMagic = '~checkout~';
3.122     scop      135: }
                    136:
                    137: # -----------------------------------------------------------------------------
                    138:
3.12      knu       139: sub printDiffSelect($);
3.168     scop      140: sub printDiffSelectStickyVars();
3.225     scop      141: sub getDiffLinks($$$);
3.37      knu       142: sub printLogSortSelect($);
3.12      knu       143: sub findLastModifiedSubdirs(@);
3.36      knu       144: sub htmlify_sub(&$);
3.12      knu       145: sub htmlify($;$);
3.20      knu       146: sub spacedHtmlText($;$);
3.12      knu       147: sub link($$);
                    148: sub revcmp($$);
3.103     knu       149: sub fatal($$@);
3.287     scop      150: sub config_error($$);
3.269     scop      151: sub redirect($;$);
3.12      knu       152: sub safeglob($);
3.58      knu       153: sub search_path($);
3.219     scop      154: sub getEnscriptHL($);
3.156     scop      155: sub getMimeType($;$);
3.24      knu       156: sub head($;$);
                    157: sub scan_directives(@);
3.86      knu       158: sub openOutputFilter();
3.275     scop      159: sub doAnnotate($$);
                    160: sub doCheckout($$$);
3.240     scop      161: sub doEnscript($$$;$);
3.170     scop      162: sub doGraph();
                    163: sub doGraphView();
3.219     scop      164: sub cvswebMarkup($$$$$$;$);
3.12      knu       165: sub viewable($);
                    166: sub doDiff($$$$$$);
                    167: sub getDirLogs($$@);
                    168: sub readLog($;$);
3.219     scop      169: sub printLog($$$;$$);
3.12      knu       170: sub doLog($);
                    171: sub flush_diff_rows($$$$);
3.144     scop      172: sub human_readable_diff($$);
3.163     scop      173: sub navigateHeader($$$$$;$);
3.12      knu       174: sub plural_write($$);
                    175: sub readableTime($$);
                    176: sub clickablePath($$);
                    177: sub chooseCVSRoot();
                    178: sub chooseMirror();
                    179: sub fileSortCmp();
                    180: sub download_url($$;$);
                    181: sub download_link($$$;$);
3.219     scop      182: sub display_url($$;$);
                    183: sub display_link($$;$$);
3.170     scop      184: sub graph_link($;$);
3.258     scop      185: sub history_link($$;$);
3.140     scop      186: sub toggleQuery($;$);
3.35      knu       187: sub htmlquote($);
3.36      knu       188: sub htmlunquote($);
3.271     scop      189: sub uri_escape_path($);
3.163     scop      190: sub http_header(;$$);
                    191: sub html_header($;$);
3.12      knu       192: sub html_footer();
                    193: sub link_tags($);
3.233     scop      194: sub forbidden($);
3.191     scop      195: sub startproc(@);
3.215     scop      196: sub runproc(@);
3.225     scop      197: sub checkout_to_temp($$$);
3.12      knu       198:
3.284     scop      199: # Get rid of unsafe environment vars.  Don't do this in the BEGIN block
                    200: # (think mod_perl)...
3.142     scop      201: delete(@ENV{qw(PATH IFS CDPATH ENV BASH_ENV)});
3.59      knu       202:
4.4       schwarze  203: # Location of the configuration file inside the web server chroot:
                    204: $config = '/conf/cvsweb/cvsweb.conf';
3.1       knu       205:
3.284     scop      206: ######## Configuration parameters #########
3.120     scop      207:
3.80      knu       208: @CVSrepositories = @CVSROOT = %CVSROOT = %MIRRORS = %DEFAULTVALUE = %ICONS =
3.225     scop      209:   %MTYPES = %tags = %alltags = %fileinfo = %DIFF_COMMANDS = ();
3.120     scop      210:
3.129     scop      211: $cvstreedefault = $logo = $defaulttitle =
3.120     scop      212:   $address = $long_intro = $short_instruction = $shortLogLen = $show_author =
3.131     scop      213:   $tablepadding = $hr_breakable = $showfunc = $hr_ignwhite =
3.129     scop      214:   $hr_ignkeysubst = $inputTextSize = $mime_types = $allow_annotate =
3.284     scop      215:   $allow_markup = $allow_compress = $use_java_script = $edit_option_form =
                    216:   $show_subdir_lastmod = $show_log_in_markup = $preformat_in_markup =
                    217:   $tabstop = $use_moddate = $gzip_open = $DEBUG = $allow_cvsgraph =
                    218:   $cvsgraph_config = $cvshistory_url = $allow_tar = undef;
                    219:
3.290     scop      220: $allow_version_select = $allow_mailtos = $allow_log_extra = 1;
3.32      knu       221:
4.2       schwarze  222: @DIFFTYPES = qw(h H u c);
3.37      knu       223: @DIFFTYPES{@DIFFTYPES} = (
3.120     scop      224:   {
                    225:     'descr'   => 'colored',
                    226:     'opts'    => ['-u'],
                    227:     'colored' => 1,
                    228:   },
                    229:   {
                    230:     'descr'   => 'long colored',
                    231:     'opts'    => ['--unified=15'],
                    232:     'colored' => 1,
                    233:   },
                    234:   {
                    235:     'descr'   => 'unified',
                    236:     'opts'    => ['-u'],
                    237:     'colored' => 0,
                    238:   },
                    239:   {
                    240:     'descr'   => 'context',
                    241:     'opts'    => ['-c'],
                    242:     'colored' => 0,
                    243:   },
3.80      knu       244: );
3.37      knu       245:
                    246: @LOGSORTKEYS = qw(cvs date rev);
                    247: @LOGSORTKEYS{@LOGSORTKEYS} = (
3.254     scop      248:   { descr => 'Not sorted',  },
                    249:   { descr => 'Commit date', },
                    250:   { descr => 'Revision',    },
3.80      knu       251: );
3.37      knu       252:
3.284     scop      253: ##### End of configuration parameters #####
3.1       knu       254:
3.264     scop      255: my $pathinfo = '';
                    256: if (defined($ENV{PATH_INFO}) && $ENV{PATH_INFO} ne '') {
3.194     scop      257:   ($pathinfo) = ($ENV{PATH_INFO} =~ VALID_PATH)
                    258:     or fatal('500 Internal Error',
                    259:              'Illegal PATH_INFO in environment: <code>%s</code>',
                    260:              $ENV{PATH_INFO});
                    261: }
                    262: if ($ENV{SCRIPT_NAME}) {
                    263:   ($scriptname) = ($ENV{SCRIPT_NAME} =~ VALID_PATH)
                    264:     or fatal('500 Internal Error',
                    265:              'Illegal SCRIPT_NAME in environment: <code>%s</code>',
                    266:              $ENV{SCRIPT_NAME});
                    267: }
                    268:
                    269: $scriptname    = '' unless defined($scriptname);
                    270:
3.120     scop      271: $where         =  $pathinfo;
3.268     scop      272: $doCheckout    =  $where =~ s|^/$CheckoutMagic/|/|o;
3.120     scop      273: $where         =~ s|^/||;
                    274: $scriptname    =~ s|^/*|/|;
3.63      knu       275:
3.64      knu       276: # Let's workaround thttpd's stupidity..
3.63      knu       277: if ($scriptname =~ m|/$|) {
3.120     scop      278:   $pathinfo .= '/';
                    279:   my $re = quotemeta $pathinfo;
                    280:   $scriptname =~ s/$re$//;
3.63      knu       281: }
                    282:
3.271     scop      283: # $scriptname : the URI escaped path to this script
                    284: # $where      : the path in the CVS repository (without leading /, or only /)
                    285: # $scriptwhere: the URI escaped $scriptname + '/' + $where
                    286: $scriptname   = uri_escape_path($scriptname);
                    287: $scriptwhere  = join('/', $scriptname, uri_escape_path($where));
3.268     scop      288: $where        = '/' if ($where eq '');
3.3       knu       289:
3.188     scop      290: # In text-based browsers, it's very annoying to have two links per file;
                    291: # skip linking the image for them.
                    292:
3.120     scop      293: $Browser     = $ENV{HTTP_USER_AGENT} || '';
3.187     scop      294: $is_links    = ($Browser =~ m`^E?Links `);
3.80      knu       295: $is_lynx     = ($Browser =~ m`^Lynx/`i);
                    296: $is_w3m      = ($Browser =~ m`^w3m/`i);
                    297: $is_msie     = ($Browser =~ m`MSIE`);
3.5       knu       298: $is_mozilla3 = ($Browser =~ m`^Mozilla/[3-9]`);
3.3       knu       299:
3.34      knu       300: $is_textbased = ($is_links || $is_lynx || $is_w3m);
3.5       knu       301:
                    302: $nofilelinks = $is_textbased;
3.1       knu       303:
                    304: # newer browsers accept gzip content encoding
                    305: # and state this in a header
                    306: # (netscape did always but didn't state it)
                    307: # It has been reported that these
                    308: #  braindamaged MS-Internet Exploders claim that they
                    309: # accept gzip .. but don't in fact and
                    310: # display garbage then :-/
3.23      knu       311: # Turn off gzip if running under mod_perl and no zlib is available,
                    312: # piping does not work as expected inside the server.
3.120     scop      313: $maycompress = (
                    314:   ((defined($ENV{HTTP_ACCEPT_ENCODING})
                    315:     && $ENV{HTTP_ACCEPT_ENCODING} =~ /gzip/)
                    316:    || $is_mozilla3)
                    317:   && !$is_msie
4.13      schwarze  318:   && !(defined($ENV{MOD_PERL}))
3.120     scop      319: );
3.1       knu       320:
3.284     scop      321: # Parameters that will be sticky in all constructed links/query strings.
3.194     scop      322: @stickyvars =
3.282     scop      323:   qw(cvsroot hideattic ignorecase sortby logsort f only_with_tag ln
                    324:      hidecvsroot hidenonreadable);
1.1       jfieber   325:
3.227     scop      326: #
                    327: # Load configuration.
                    328: #
3.1       knu       329: if (-f $config) {
3.287     scop      330:   do "$config" or config_error($config, $@);
3.27      knu       331: } else {
3.120     scop      332:   fatal("500 Internal Error",
3.284     scop      333:         'Configuration not found.  Set the parameter <code>$config</code> in cvsweb.cgi to your <b>cvsweb.conf</b> configuration file first.');
3.1       knu       334: }
                    335:
3.183     scop      336: # Try to find a readable dir where we can cd into.  Some abs_path()
                    337: # implementations as well as various cvs operations require such a dir to
                    338: # work properly.
                    339: {
                    340:   local $^W = 0;
3.285     scop      341:   for my $dir (tmpdir(), rootdir()) {
                    342:     last if (-r $dir && chdir($dir));
3.183     scop      343:   }
                    344: }
                    345:
3.144     scop      346: $CSS = $cssurl ?
3.208     scop      347:   sprintf("<link rel=\"stylesheet\" type=\"text/css\" href=\"%s\" />\n",
3.144     scop      348:           htmlquote($cssurl)) : '';
                    349:
3.194     scop      350: # --- input parameters
                    351:
3.202     scop      352: my %query = ();
                    353: if (defined($ENV{QUERY_STRING})) {
                    354:   for my $p (split(/[;&]+/, $ENV{QUERY_STRING})) {
                    355:     next unless $p;
                    356:     $p =~ y/+/ /;
                    357:     my ($key, $val) = split(/=/, $p, 2);
                    358:     next unless defined($key);
4.9       schwarze  359:     $key = uri_unescape($key);
                    360:     $key =~ /([^a-z_12-])/ and fatal('404 Not Found',
                    361:       'Invalid character "%s" in query parameter "%s"', $1, $key);
                    362:     if (defined $val) {
                    363:       $val = uri_unescape($val);
                    364:       $val =~ /([^a-zA-Z_01-9.\/-])/ and fatal('404 Not Found',
                    365:         'Invalid character "%s" in the value "%s" of the query parameter "%s"',
4.14      schwarze  366:         $1, $val, $key);
4.9       schwarze  367:     } else {
                    368:       $val = 1;
                    369:     }
3.202     scop      370:     $query{$key} = $val;
                    371:   }
                    372: }
                    373:
3.1       knu       374: undef %input;
1.10      wosch     375:
3.194     scop      376: my $t;
                    377: for my $p (qw(graph hideattic hidecvsroot hidenonreadable ignorecase ln copt
                    378:               makeimage options tarball)) {
3.202     scop      379:   $t = $query{$p};
                    380:   if (defined($t)) {
3.222     scop      381:     ($input{$p}) = ($t =~ /^([01]|on)$/)
3.194     scop      382:       or fatal('500 Internal Error',
                    383:                'Invalid boolean value: <code>%s=%s</code>', $p, $t);
                    384:   }
                    385: }
                    386: for my $p (qw(annotate r1 r2 rev tr1 tr2)) {
3.202     scop      387:   $t = $query{$p};
                    388:   if (defined($t)) {
3.207     scop      389:     if (($p eq 'r1' || $p eq 'r2') && $t eq 'text') {
                    390:       # Special case for the "Use text field" option in the log view diff form.
                    391:       $input{$p} = $t;
                    392:       next;
3.275     scop      393:     } elsif (($p eq 'rev' || $p eq 'annotate') && ($t eq '.' || $t eq 'HEAD')){
3.253     scop      394:       # Another special case, allow linking to latest revision using these.
                    395:       $input{$p} = '.';
                    396:       next;
3.207     scop      397:     }
3.194     scop      398:     my ($rev, $tag) = split(/:/, $t, 2);
3.251     scop      399:     ($input{$p}) = ($rev =~ /^(\d+(?:\.\d+)*)$/)
3.194     scop      400:       or fatal('500 Internal Error',
                    401:                'Invalid revision: <code>%s=%s</code>', $p, $t);
                    402:     if (defined($tag)) {
                    403:       ($tag) = ($tag =~ VALID_TAG1)
                    404:         or fatal('500 Internal Error',
3.254     scop      405:                  'Invalid tag/branch name in revision: <code>%s=%s</code>',
                    406:                  $p, $t);
3.194     scop      407:       ($tag) = ($tag =~ VALID_TAG2)
                    408:         or fatal('500 Internal Error',
3.254     scop      409:                  'Invalid tag/branch name in revision: <code>%s=%s</code>',
                    410:                  $p, $t);
3.207     scop      411:       $input{$p} .= ':' . $tag;
3.194     scop      412:     }
                    413:   }
                    414: }
3.202     scop      415: $t = defined($query{only_with_tag}) ?
                    416:   $query{only_with_tag} : $query{only_on_branch}; # Backwards compatibility.
                    417: if (defined($t)) {
3.211     scop      418:   ($input{only_with_tag}) = ($t =~ VALID_TAG1)
3.194     scop      419:     or fatal('500 Internal Error',
                    420:              'Invalid tag/branch name: <code>%s</code>', $t);
3.211     scop      421:   ($input{only_with_tag}) = ($t =~ VALID_TAG2)
3.194     scop      422:     or fatal('500 Internal Error',
                    423:              'Invalid tag/branch name: <code>%s</code>', $t);
                    424: }
3.202     scop      425: $t = $query{logsort};
                    426: if (defined($t)) {
3.222     scop      427:   ($input{logsort}) = ($t =~ /^(cvs|date|rev)$/)
3.194     scop      428:     or fatal('500 Internal Error',
                    429:              'Unsupported log sort key: <code>%s</code>', $t);
                    430: }
3.202     scop      431: $t = $query{f};
                    432: if (defined($t)) {
3.225     scop      433:   ($input{f}) = ($t =~ /^(([hH]|[ucs]c?)|ext\d*)$/)
3.194     scop      434:     or fatal('500 Internal Error',
                    435:              'Unsupported diff format: <code>%s</code>', $t);
                    436: }
3.202     scop      437: $t = $query{sortby};
                    438: if (defined($t)) {
3.222     scop      439:   ($input{sortby}) = ($t =~ /^(file|date|rev|author|log)$/)
3.194     scop      440:     or fatal('500 Internal Error',
                    441:              'Unsupported dir sort key: <code>%s</code>', $t);
                    442: }
3.202     scop      443: $t = $query{'content-type'};
                    444: if (defined($t)) {
3.294     scop      445:   ($input{'content-type'}) = ($t =~ m|^([-0-9A-Za-z]+/[-0-9A-Za-z\.\+]+)$|)
3.194     scop      446:     or fatal('500 Internal Error',
                    447:              'Unsupported content type: <code>%s</code>', $t);
                    448: }
3.202     scop      449: $t = $query{cvsroot};
                    450: if (defined($t)) {
3.222     scop      451:   ($input{cvsroot}) = ($t =~ /^([[:print:]]+)$/)
3.194     scop      452:     or fatal('500 Internal Error',
                    453:              'Invalid symbolic CVS root name: <code>%s</code>', $t);
                    454: }
3.202     scop      455: $t = $query{path};
                    456: if (defined($t)) {
3.194     scop      457:   ($input{path}) = ($t =~ VALID_PATH)
                    458:     or fatal('500 Internal Error',
                    459:              'Invalid path: <code>%s</code>', $t);
3.97      knu       460: }
3.194     scop      461: undef($t);
3.205     scop      462: undef(%query);
3.97      knu       463:
3.194     scop      464: # --- end input parameters
1.10      wosch     465:
3.158     scop      466: #
                    467: # CVS roots
                    468: #
                    469: my $rootfound = 0;
                    470: for (my $i = 0; $i < scalar(@CVSrepositories); $i += 2) {
                    471:   my $key = $CVSrepositories[$i];
3.232     scop      472:   my ($descr, $root) = @{$CVSrepositories[$i+1]};
                    473:   $root = canonpath($root);
                    474:   unless (-d $root) {
                    475:     warn("Root '$root' defined in \@CVSrepositories is not a directory, " .
3.158     scop      476:          'entry ignored');
                    477:     next;
                    478:   }
                    479:   $rootfound ||= 1;
                    480:   $cvstreedefault = $key unless defined($cvstreedefault);
                    481:   $CVSROOTdescr{$key} = $descr;
3.232     scop      482:   $CVSROOT{$key} = $root;
3.158     scop      483:   push(@CVSROOT, $key);
                    484: }
                    485: unless ($rootfound) {
                    486:   fatal('500 Internal Error',
                    487:         'No valid CVS roots found!  See <code>@CVSrepositories</code> in ' .
3.221     scop      488:         'the configuration file (<code>%s</code>).',
3.158     scop      489:         $config);
                    490: }
                    491: undef $rootfound;
                    492:
                    493: #
                    494: # Default CVS root
                    495: #
                    496: if (!defined($CVSROOT{$cvstreedefault})) {
                    497:   fatal("500 Internal Error",
                    498:         '<code>$cvstreedefault</code> points to a repository (%s) not ' .
                    499:         'defined in <code>@CVSrepositories</code> in your configuration ' .
                    500:         'file (<code>%s</code>).',
                    501:         $cvstreedefault,
                    502:         $config);
                    503: }
                    504:
3.254     scop      505: $DEFAULTVALUE{cvsroot} = $cvstreedefault;
1.10      wosch     506:
3.120     scop      507: while (my ($key, $defval) = each %DEFAULTVALUE) {
3.80      knu       508:
3.120     scop      509:   # Replace not given parameters with defaults.
3.194     scop      510:   next unless (defined($defval) && $defval =~ /\S/ && !defined($input{$key}));
3.120     scop      511:
3.284     scop      512:   # Empty checkboxes in forms return nothing, so we define a helper parameter
3.120     scop      513:   # in these forms (copt) which indicates that we just set parameters with a
                    514:   # checkbox.
3.194     scop      515:   if ($input{copt}) {
3.120     scop      516:
3.194     scop      517:     # 'copt' is set -> the result of empty input checkbox
3.120     scop      518:     # -> set to zero (disable) if default is a boolean (0|1).
                    519:     $input{$key} = 0 if ($defval eq '0' || $defval eq '1');
                    520:
                    521:   } else {
                    522:
3.194     scop      523:     # 'copt' isn't set --> empty input is not the result
3.120     scop      524:     # of empty input checkbox --> set default.
                    525:     $input{$key} = $defval;
                    526:   }
1.10      wosch     527: }
3.12      knu       528:
3.1       knu       529: $barequery = "";
3.31      knu       530: my @barequery;
3.1       knu       531: foreach (@stickyvars) {
3.80      knu       532:
3.120     scop      533:   # construct a query string with the sticky non default parameters set
                    534:   if (defined($input{$_})
                    535:       && !(defined($DEFAULTVALUE{$_}) && $input{$_} eq $DEFAULTVALUE{$_}))
                    536:   {
3.206     scop      537:     push(@barequery, join('=', uri_escape($_), uri_escape($input{$_})));
3.120     scop      538:   }
3.1       knu       539: }
3.80      knu       540:
3.168     scop      541: if ($allow_enscript) {
4.2       schwarze  542:   push(@DIFFTYPES, qw(uc cc));
                    543:   @DIFFTYPES{qw(uc cc)} = (
3.168     scop      544:     {
                    545:      'descr'   => 'unified, colored',
                    546:      'opts'    => ['-u'],
                    547:      'colored' => 0,
                    548:     },
                    549:     {
                    550:      'descr'   => 'context, colored',
                    551:      'opts'    => ['-c'],
                    552:      'colored' => 0,
                    553:     },
                    554:   );
                    555: } else {
                    556:   # No Enscript -> respect difftype, but don't offer colorization.
                    557:   if ($input{f} && $input{f} =~ /^([ucs])c$/) {
                    558:     $input{f} = $1;
                    559:   }
                    560: }
                    561:
3.1       knu       562: # is there any query ?
3.31      knu       563: if (@barequery) {
3.203     scop      564:   $barequery = join (';', @barequery);
3.120     scop      565:   $query     = "?$barequery";
3.203     scop      566:   $barequery = ";$barequery";
3.80      knu       567: } else {
3.120     scop      568:   $query = "";
3.1       knu       569: }
3.31      knu       570: undef @barequery;
3.1       knu       571:
3.254     scop      572: if (defined($input{path})) {
3.120     scop      573:   redirect("$scriptname/$input{path}$query");
3.57      knu       574: }
                    575:
3.1       knu       576: # get actual parameters
3.144     scop      577: {
                    578:   my $sortby = $input{sortby} || 'file';
                    579:   $bydate    = 0;
                    580:   $byrev     = 0;
                    581:   $byauthor  = 0;
                    582:   $bylog     = 0;
                    583:   $byfile    = 0;
                    584:   if ($sortby eq 'date') {
                    585:     $bydate = 1;
                    586:   } elsif ($sortby eq 'rev') {
                    587:     $byrev = 1;
                    588:   } elsif ($sortby eq 'author') {
                    589:     $byauthor = 1;
                    590:   } elsif ($sortby eq 'log') {
                    591:     $bylog = 1;
                    592:   } else {
                    593:     $byfile = 1;
                    594:   }
3.1       knu       595: }
                    596:
3.254     scop      597: $defaultDiffType = $input{f};
3.1       knu       598:
3.254     scop      599: $logsort = $input{logsort};
3.1       knu       600:
                    601: # alternate CVS-Tree, configured in cvsweb.conf
3.254     scop      602: if ($input{cvsroot} && $CVSROOT{$input{cvsroot}}) {
                    603:   $cvstree = $input{cvsroot};
3.1       knu       604: } else {
3.120     scop      605:   $cvstree = $cvstreedefault;
1.10      wosch     606: }
                    607:
3.1       knu       608: $cvsroot = $CVSROOT{$cvstree};
1.10      wosch     609:
3.1       knu       610: # create icons out of description
3.120     scop      611: foreach my $k (keys %ICONS) {
                    612:   my ($itxt, $ipath, $iwidth, $iheight) = @{$ICONS{$k}};
                    613:   no strict 'refs';
                    614:   if ($ipath) {
                    615:     ${"${k}icon"} =
3.208     scop      616:       sprintf('<img src="%s" alt="%s" border="0" width="%d" height="%d" />',
3.271     scop      617:               htmlquote($ipath), htmlquote($itxt), $iwidth, $iheight);
3.120     scop      618:   } else {
                    619:     ${"${k}icon"} = $itxt;
                    620:   }
1.24      wosch     621: }
                    622:
3.27      knu       623: my $config_cvstree = "$config-$cvstree";
                    624:
3.1       knu       625: # Do some special configuration for cvstrees
3.27      knu       626: if (-f $config_cvstree) {
3.120     scop      627:   do "$config_cvstree"
                    628:     or fatal("500 Internal Error",
3.208     scop      629:              'Error in loading configuration file: %s<br /><br />%s<br />',
3.120     scop      630:              $config_cvstree, $@);
3.27      knu       631: }
3.31      knu       632: undef $config_cvstree;
3.1       knu       633:
3.120     scop      634: $re_prcategories  = '(?:' . join ('|', @prcategories) . ')' if @prcategories;
                    635: $re_prkeyword     = quotemeta($prkeyword) if defined($prkeyword);
                    636: $prcgi           .= '%s' if defined($prcgi) && $prcgi !~ /%s/;
1.24      wosch     637:
3.233     scop      638: $fullname         = catfile($cvsroot, $where);
3.1       knu       639:
3.63      knu       640: my $rewrite = 0;
                    641: if ($pathinfo =~ m|//|) {
3.120     scop      642:   $pathinfo =~ y|/|/|s;
                    643:   $rewrite = 1;
3.63      knu       644: }
3.120     scop      645: if (-d $fullname) {
                    646:   if ($pathinfo !~ m|/$|) {
                    647:     $pathinfo .= '/';
                    648:     $rewrite   = 1;
                    649:   }
3.268     scop      650: } elsif ($pathinfo =~ m|/$|) {
                    651:   chop $pathinfo;
                    652:   $rewrite = 1;
3.63      knu       653: }
                    654: if ($rewrite) {
3.271     scop      655:   redirect($scriptname . uri_escape_path($pathinfo) . $query, 1);
3.1       knu       656: }
3.268     scop      657: undef $rewrite;
3.1       knu       658:
3.264     scop      659: undef $pathinfo;
3.63      knu       660:
3.1       knu       661: if (!-d $cvsroot) {
3.120     scop      662:   fatal("500 Internal Error",
                    663:         '$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       664: }
                    665:
                    666: #
3.233     scop      667: # Short-circuit forbidden things.  Note that $fullname should not change
                    668: # after this, because the rest of the code assumes this check has already
                    669: # been done.
3.1       knu       670: #
3.233     scop      671: fatal('403 Forbidden', 'Access to %s forbidden.', $where)
                    672:   if forbidden($fullname);
3.46      knu       673:
                    674: #
                    675: # Handle tarball downloads before any headers are output.
                    676: #
                    677: if ($input{tarball}) {
3.120     scop      678:   fatal('403 Forbidden', 'Downloading tarballs is prohibited.')
                    679:     unless $allow_tar;
3.191     scop      680:
3.120     scop      681:   my ($module)  =  ($where =~ m,^/?(.*),);    # untaint
                    682:   $module       =~ s,/([^/]*)$,,;
3.191     scop      683:   my ($ext)     =  ($1 =~ /(\.t(?:ar\.)?gz|\.zip)$/);
3.120     scop      684:   my ($basedir) =  ($module =~ m,([^/]+)$,);
                    685:
                    686:   if ($basedir eq '' || $module eq '') {
                    687:     fatal('500 Internal Error',
                    688:           'You cannot download the top level directory.');
                    689:   }
                    690:
3.191     scop      691:   my $istar = ($ext eq '.tar.gz' || $ext eq '.tgz');
                    692:   if ($istar) {
                    693:     fatal('500 Internal Error', 'tar command not found.') unless $CMD{tar};
                    694:     fatal('500 Internal Error', 'gzip command not found.') unless $CMD{gzip};
                    695:   }
                    696:   my $iszip = ($ext eq '.zip');
                    697:   if ($iszip && !$CMD{zip}) {
                    698:     fatal('500 Internal Error', 'zip command not found.');
                    699:   }
3.215     scop      700:   if (!$istar && !$iszip) {
                    701:     fatal('500 Internal Error', 'Unsupported archive type.');
                    702:   }
3.191     scop      703:
3.138     scop      704:   my $tmpexportdir;
                    705:   eval {
                    706:     local $SIG{__DIE__};
3.171     scop      707:     # Don't use the CLEANUP argument to tempdir() here, since we might be under
                    708:     # mod_perl (the process runs for a long time), unlink explicitly later.
                    709:     $tmpexportdir = tempdir('.cvsweb.XXXXXXXX', TMPDIR => 1);
3.138     scop      710:   };
                    711:   if ($@) {
                    712:     fatal('500 Internal Error', 'Unable to make temporary directory: %s', $@);
                    713:   }
3.191     scop      714:   if (!chdir($tmpexportdir)) {
                    715:     fatal('500 Internal Error',
                    716:           "Can't cd to temporary directory %s: %s", $tmpexportdir, $!);
                    717:   }
3.120     scop      718:
                    719:   my @fatal;
3.194     scop      720:   my $tag = $input{only_with_tag} || 'HEAD';
                    721:   $tag = 'HEAD' if ($tag eq 'MAIN');
3.120     scop      722:
3.215     scop      723:   my @cmd =
3.241     scop      724:     ($CMD{cvs}, @cvs_options, '-Qd', $cvsroot, 'export', '-r', $tag,
                    725:      '-d', $basedir, $module);
3.215     scop      726:   my $export_err;
                    727:   my ($errcode, $err) = runproc(\@cmd, '2>', \$export_err);
                    728:   if ($errcode) {
                    729:     @fatal =
                    730:       ('500 Internal Error',
                    731:        'Export failure (exit status %s), output: <pre>%s</pre>',
                    732:        $errcode, $err || $export_err);
3.191     scop      733:
3.215     scop      734:   } else {
3.191     scop      735:
3.120     scop      736:     $| = 1;    # Essential to get the buffering right.
3.191     scop      737:     local (*TAR_OUT);
3.120     scop      738:
3.191     scop      739:     my (@cmd, $ctype);
                    740:     if ($istar) {
                    741:       my @tar = ($CMD{tar}, @tar_options, '-cf', '-', $basedir);
                    742:       my @gzip = ($CMD{gzip}, @gzip_options, '-c');
                    743:       push(@cmd, \@tar, '|', \@gzip);
                    744:       $ctype = 'application/x-gzip';
                    745:     } elsif ($iszip) {
                    746:       my @zip = ($CMD{zip}, @zip_options, '-r', '-', $basedir);
                    747:       push(@cmd, \@zip, \'');
                    748:       $ctype = 'application/zip';
                    749:     }
3.229     scop      750:     push(@cmd, '>pipe', \*TAR_OUT);
3.191     scop      751:
                    752:     my ($h, $err) = startproc(@cmd);
                    753:     if ($h) {
                    754:       print "Content-Type: $ctype\r\n\r\n";
                    755:       local $/ = undef;
                    756:       print <TAR_OUT>;
3.229     scop      757:       $h->finish();
3.120     scop      758:     } else {
3.215     scop      759:       @fatal = ('500 Internal Error',
                    760:                 '%s failure (exit status %s), output: <pre>%s</pre>',
                    761:                 $istar ? 'Tar' : 'Zip', $? >> 8 || -1, $err);
3.120     scop      762:     }
                    763:   }
3.46      knu       764:
3.171     scop      765:   # Clean up.
4.11      schwarze  766:   chdir("..");
3.171     scop      767:   rmtree($tmpexportdir);
3.46      knu       768:
3.120     scop      769:   &fatal(@fatal) if @fatal;
3.46      knu       770:
3.120     scop      771:   exit;
3.46      knu       772: }
                    773:
3.1       knu       774: ##############################
                    775: # View a directory
                    776: ###############################
3.46      knu       777: if (-d $fullname) {
3.233     scop      778:
3.120     scop      779:   my $dh = do { local (*DH); };
                    780:   opendir($dh, $fullname) or fatal("404 Not Found", '%s: %s', $where, $!);
3.233     scop      781:   my @dir = grep(!forbidden(catfile($fullname, $_)), readdir($dh));
3.120     scop      782:   closedir($dh);
3.284     scop      783:   my @subLevelFiles = findLastModifiedSubdirs(@dir) if $show_subdir_lastmod;
3.150     scop      784:   my @unreadable = getDirLogs($cvsroot, $where, @subLevelFiles);
3.120     scop      785:
                    786:   if ($where eq '/') {
                    787:     html_header($defaulttitle);
                    788:     $long_intro =~ s/!!CVSROOTdescr!!/$CVSROOTdescr{$cvstree}/g;
                    789:     print $long_intro;
                    790:   } else {
                    791:     html_header($where);
3.212     scop      792:     my $html = (-f catfile($fullname, 'README.cvs.html,v') ||
                    793:                 -f catfile($fullname, 'Attic', 'README.cvs.html,v'));
                    794:     my $text = (!$html &&
                    795:                 (-f catfile($fullname, 'README.cvs,v') ||
                    796:                  -f catfile($fullname, 'Attic', 'README.cvs,v')));
                    797:     if ($html || $text) {
                    798:       my $rev = $input{only_with_tag} || 'HEAD';
                    799:       my $cr = abs_path($cvsroot) || $cvsroot;
                    800:       my $co = "$where/README.cvs.html" if $html;
                    801:       $co ||= "$where/README.cvs" if $text;
                    802:       # abs_path() taints when run as a CGI...
                    803:       if ($cr =~ VALID_PATH) {
                    804:         $cr = $1;
                    805:       } else {
                    806:         fatal('500 Internal Error', 'Illegal CVS root: <code>%s</code>', $cr);
                    807:       }
                    808:       my @cmd = ($CMD{cvs}, @cvs_options, '-d', $cr, 'co', '-p', "-r$rev",$co);
                    809:       local (*CVS_OUT, *CVS_ERR);
                    810:       my ($h, $err) = startproc(\@cmd, \"", '>pipe', \*CVS_OUT,
3.229     scop      811:                                 '2>pipe', \*CVS_ERR);
3.212     scop      812:       fatal('500 Internal Error', $err) unless $h;
                    813:       if ($html) {
                    814:         local $/ = undef;
                    815:         print <CVS_OUT>;
                    816:       } else {
                    817:         print "<p>\n";
                    818:         while (<CVS_OUT>) {
                    819:           chomp;
                    820:           print htmlquote($_), '<br />';
                    821:         }
                    822:         print "</p>";
                    823:       }
3.229     scop      824:       $h->finish();
3.212     scop      825:     }
3.120     scop      826:     print $short_instruction;
                    827:   }
                    828:
3.165     scop      829:   if ($use_descriptions &&
3.268     scop      830:       open(DESC, catfile($cvsroot, 'CVSROOT', 'descriptions'))) {
3.120     scop      831:     while (<DESC>) {
                    832:       chomp;
                    833:       my ($dir, $description) = /(\S+)\s+(.*)/;
                    834:       $descriptions{$dir} = $description;
                    835:     }
                    836:     close(DESC);
                    837:   }
                    838:
                    839:   print "<p><a name=\"dirlist\"></a></p>\n";
                    840:
                    841:   # give direct access to dirs
                    842:   if ($where eq '/') {
                    843:     chooseMirror();
                    844:     chooseCVSRoot();
3.268     scop      845:
3.120     scop      846:   } else {
3.257     scop      847:     print '<p>Current directory: <b>', clickablePath($where, 0), '</b>';
                    848:     if ($cvshistory_url) {
                    849:       (my $d = $where) =~ s|^/*(.*?)/*$|$1|;
3.258     scop      850:       print ' - ', history_link($d, '');
3.257     scop      851:     }
                    852:     print "</p>\n";
3.153     scop      853:     print "<p>Current tag: <b>", htmlquote($input{only_with_tag}), "</b></p>\n"
3.120     scop      854:       if $input{only_with_tag};
                    855:   }
                    856:
3.208     scop      857:   print "<hr />\n";
3.120     scop      858:
3.179     scop      859:   my $infocols = 1;
3.131     scop      860:
3.296     scop      861:   printf(<<EOF, $tablepadding, 'Directory index of ' . htmlquote($where));
                    862: <table class="dir" width="100%%" cellspacing="0" cellpadding="%s" summary="%s">
3.179     scop      863: <tr>
                    864: EOF
3.199     scop      865:   printf('<th colspan="2"%s>', ($byfile ? ' class="sorted"' : ''));
3.131     scop      866:
                    867:   if ($byfile) {
                    868:     print 'File';
                    869:   } else {
                    870:     print &link('File',
                    871:                 sprintf('./%s#dirlist', toggleQuery('sortby', 'file')));
                    872:   }
                    873:   print "</th>\n";
3.120     scop      874:
3.131     scop      875:   # Do not display the other column headers if we do not have any files
                    876:   # with revision information.
                    877:   if (scalar(%fileinfo)) {
3.120     scop      878:     $infocols++;
3.199     scop      879:     printf('<th%s>', ($byrev ? ' class="sorted"' : ''));
3.120     scop      880:
3.131     scop      881:     if ($byrev) {
                    882:       print 'Rev.';
3.120     scop      883:     } else {
3.131     scop      884:       print &link('Rev.',
                    885:                   sprintf('./%s#dirlist', toggleQuery('sortby', 'rev')));
3.120     scop      886:     }
                    887:     print "</th>\n";
3.131     scop      888:     $infocols++;
3.199     scop      889:     printf('<th%s>', ($bydate ? ' class="sorted"' : ''));
3.120     scop      890:
3.131     scop      891:     if ($bydate) {
                    892:       print 'Age';
                    893:     } else {
                    894:       print &link('Age',
                    895:                   sprintf('./%s#dirlist', toggleQuery('sortby', 'date')));
                    896:     }
                    897:     print "</th>\n";
3.120     scop      898:
3.131     scop      899:     if ($show_author) {
3.120     scop      900:       $infocols++;
3.199     scop      901:       printf('<th%s>', ($byauthor ? ' class="sorted"' : ''));
3.120     scop      902:
3.131     scop      903:       if ($byauthor) {
                    904:         print 'Author';
3.120     scop      905:       } else {
3.131     scop      906:         print
                    907:           &link('Author',
                    908:                 sprintf('./%s#dirlist', toggleQuery('sortby', 'author')));
3.120     scop      909:       }
                    910:       print "</th>\n";
3.131     scop      911:     }
                    912:     $infocols++;
3.199     scop      913:     printf('<th%s>', ($bylog ? ' class="sorted"' : ''));
3.120     scop      914:
3.131     scop      915:     if ($bylog) {
                    916:       print 'Last log entry';
                    917:     } else {
                    918:       print &link('Last log entry',
                    919:                   sprintf('./%s#dirlist', toggleQuery('sortby', 'log')));
3.120     scop      920:     }
3.131     scop      921:     print "</th>\n";
                    922:   } elsif ($use_descriptions) {
3.199     scop      923:     print "<th>Description</th>\n";
3.131     scop      924:     $infocols++;
3.120     scop      925:   }
3.131     scop      926:   print "</tr>\n";
                    927:
3.120     scop      928:   my $dirrow = 0;
                    929:
                    930:   my $i;
                    931:   lookingforattic:
                    932:   for ($i = 0; $i <= $#dir; $i++) {
                    933:     if ($dir[$i] eq "Attic") {
                    934:       last lookingforattic;
                    935:     }
                    936:   }
                    937:
3.254     scop      938:   if (!$input{hideattic}
3.120     scop      939:       && ($i <= $#dir)
                    940:       && opendir($dh, $fullname . '/Attic'))
                    941:   {
                    942:     splice(@dir, $i, 1, grep((s|^|Attic/|, !m|/\.|), readdir($dh)));
                    943:     closedir($dh);
                    944:   }
                    945:
                    946:   my $hideAtticToggleLink =
3.254     scop      947:     $input{hideattic}
3.120     scop      948:     ? ''
3.239     scop      949:     : &link('[hide]', sprintf('./%s#dirlist', &toggleQuery('hideattic')));
3.120     scop      950:
                    951:   # Sort without the Attic/ pathname.
                    952:   # place directories first
                    953:
                    954:   my $filesexists;
                    955:   my $filesfound;
                    956:
                    957:   foreach my $file (sort { &fileSortCmp } @dir) {
                    958:
3.196     scop      959:     next if ($file eq curdir());
3.120     scop      960:
                    961:     # ignore CVS lock and stale NFS files
                    962:     next if ($file =~ /^\#cvs\.|^,|^\.nfs/); # \# for XEmacs cperl-mode...
                    963:
                    964:     # Check whether to show the CVSROOT path
3.254     scop      965:     next if ($input{hidecvsroot} && $where eq '/' && $file eq 'CVSROOT');
3.120     scop      966:
3.150     scop      967:     # Is it a directory?
3.232     scop      968:     my $isdir = -d catdir($fullname, $file);
3.150     scop      969:
                    970:     # Ignore non-readable files and directories?
3.254     scop      971:     next if ($input{hidenonreadable} && (! -r _ || ($isdir && ! -x _)));
3.120     scop      972:
3.268     scop      973:     my $attic = '';
3.120     scop      974:     if ($file =~ s|^Attic/||) {
3.239     scop      975:       $attic = ' <span class="attic">(in the Attic) ' .
                    976:         $hideAtticToggleLink . '</span>';
3.120     scop      977:     }
                    978:
3.196     scop      979:     if ($file eq updir() || $isdir) {
                    980:       next if ($file eq updir() && $where eq '/');
3.152     scop      981:       my ($rev, $date, $log, $author, $filename, $keywordsubst) =
                    982:         @{$fileinfo{$file}} if (defined($fileinfo{$file}));
3.239     scop      983:       printf "<tr class=\"%s\">\n<td class=\"dir\" colspan=\"2\">",
3.132     scop      984:         ($dirrow % 2) ? 'even' : 'odd';
3.120     scop      985:
3.196     scop      986:       if ($file eq updir()) {
3.268     scop      987:         my $url = "../$query";
3.261     scop      988:         print $nofilelinks ? $backicon : &link($backicon, $url);
3.120     scop      989:         print '&nbsp;', &link("Parent Directory", $url);
3.261     scop      990:
3.120     scop      991:       } else {
3.271     scop      992:         my $url = './' . uri_escape_path($file) . "/$query";
                    993:         print '<a name="', htmlquote($file), '"></a>';
3.261     scop      994:         print $nofilelinks ? $diricon : &link($diricon, $url);
3.136     scop      995:         print '&nbsp;', &link(htmlquote("$file/"), $url), $attic;
3.120     scop      996:         if ($file eq "Attic") {
3.239     scop      997:           print ' <span class="attic">',
                    998:             &link('[show]',
                    999:                   sprintf('./%s#dirlist', &toggleQuery('hideattic'))),
                   1000:                     '</span>';
3.120     scop     1001:         }
                   1002:       }
                   1003:
                   1004:       # Show last change in dir
                   1005:       if ($filename) {
3.297     scop     1006:         my $ageclass = 'age';
                   1007:         my $age      = '';
                   1008:         if ($date) {
                   1009:           $age       = readableTime(time() - $date, 0);
                   1010:           $ageclass .= " $1" if ($age =~ /^\d+ ([a-z]+)/);
                   1011:         }
                   1012:         print "</td>\n<td>&nbsp;</td>\n<td class=\"$ageclass\">$age";
3.199     scop     1013:         print "</td>\n<td class=\"author\">", htmlquote($author)
                   1014:           if $show_author;
                   1015:         print "</td>\n<td class=\"log\">";
3.120     scop     1016:         $filename =~ s%^[^/]+/%%;
3.199     scop     1017:         print &link(htmlquote("$filename/$rev"),
                   1018:                     sprintf('%s/%s%s#rev%s',
3.206     scop     1019:                             uri_escape($file), uri_escape($filename),
3.208     scop     1020:                             $query, $rev)), '<br />';
3.120     scop     1021:         if ($log) {
3.199     scop     1022:           print htmlify(substr($log, 0, $shortLogLen), $allow_dir_extra);
3.120     scop     1023:           print '...' if (length($log) > 80);
                   1024:         }
3.199     scop     1025:
3.120     scop     1026:       } else {
                   1027:         my $dwhere = ($where ne '/' ? $where : '') . $file;
                   1028:
                   1029:         if ($use_descriptions && defined $descriptions{$dwhere}) {
3.199     scop     1030:           print '<td colspan="', ($infocols - 1), '">';
3.120     scop     1031:           print $descriptions{$dwhere};
                   1032:
3.131     scop     1033:         } elsif ($infocols > 1) {
3.120     scop     1034:
                   1035:           # close the row with the appropriate number of
                   1036:           # columns, so that the vertical seperators are visible
                   1037:           my ($cols) = $infocols;
                   1038:           while ($cols > 1) {
                   1039:             print "</td>\n<td>&nbsp;";
                   1040:             $cols--;
                   1041:           }
                   1042:         }
                   1043:       }
                   1044:
3.131     scop     1045:       print "</td>\n</tr>\n";
3.120     scop     1046:       $dirrow++;
3.131     scop     1047:
3.120     scop     1048:     } elsif ($file =~ s/,v$//) {
                   1049:
3.271     scop     1050:       my $fileurl = ($attic ? 'Attic/' : '') . uri_escape_path($file);
3.268     scop     1051:       my $url     = './' . $fileurl . $query;
3.120     scop     1052:       $filesexists++;
                   1053:       next if (!defined($fileinfo{$file}));
3.152     scop     1054:       my ($rev, $date, $log, $author, $filename, $keywordsubst) =
                   1055:         @{$fileinfo{$file}};
3.156     scop     1056:       my $isbinary = $keywordsubst eq 'b' ? 1 : 0;
3.120     scop     1057:       $filesfound++;
3.156     scop     1058:
3.199     scop     1059:       printf "<tr class=\"%s\">\n", ($dirrow % 2) ? 'even' : 'odd';
3.239     scop     1060:       printf '<td class="file"%s>', $allow_cvsgraph ? '' : ' colspan="2"';
3.120     scop     1061:
3.156     scop     1062:       my $icon = $isbinary ? $binfileicon : $fileicon;
3.261     scop     1063:       print $nofilelinks ? $icon : &link($icon, $url);
3.120     scop     1064:       print '&nbsp;', &link(htmlquote($file), $url), $attic;
3.199     scop     1065:       print '</td><td class="graph">', graph_link($fileurl) if $allow_cvsgraph;
3.219     scop     1066:       print "</td>\n<td width=\"30\">", display_link($fileurl, $rev);
3.297     scop     1067:       my $ageclass = 'age';
                   1068:       my $age      = '';
                   1069:       if ($date) {
                   1070:         $age       = readableTime(time() - $date, 0);
                   1071:         $ageclass .= " $1" if ($age =~ /^\d+ ([a-z]+)/);
                   1072:       }
                   1073:       print "</td>\n<td class=\"$ageclass\">$age";
3.199     scop     1074:       print "</td>\n<td class=\"author\">", htmlquote($author) if $show_author;
                   1075:       print "</td>\n<td class=\"log\">";
3.120     scop     1076:
                   1077:       if ($log) {
3.199     scop     1078:         print htmlify(substr($log, 0, $shortLogLen), $allow_dir_extra);
3.120     scop     1079:         print '...' if (length $log > 80);
                   1080:       }
3.131     scop     1081:       print "</td>\n</tr>";
3.120     scop     1082:       $dirrow++;
                   1083:     }
                   1084:     print "\n";
                   1085:   }
                   1086:
3.131     scop     1087:   print "</table>\n";
3.120     scop     1088:
3.150     scop     1089:   if ((my $num = scalar(@unreadable)) && ! $input{hidenonreadable}) {
                   1090:     printf(<<EOF, $num, htmlquote(join(', ', @unreadable)));
                   1091: <p>
3.208     scop     1092:  <b>NOTE:</b> The following %d unreadable files were ignored:<br />
3.150     scop     1093:  <em>%s</em>
                   1094: </p>
                   1095: EOF
                   1096:   }
                   1097:
3.120     scop     1098:   if ($filesexists && !$filesfound) {
3.150     scop     1099:     my $currtag = defined($input{only_with_tag}) ?
                   1100:       sprintf(' (%s)', htmlquote($input{only_with_tag})) : '';
                   1101:     printf(<<EOF, $filesexists, $currtag);
                   1102: <p>
                   1103:  <b>NOTE:</b> There are %d files, but none matches the current tag%s.
                   1104: </p>
                   1105: EOF
3.120     scop     1106:   }
                   1107:
                   1108:   if ($input{only_with_tag} && (!%tags || !$tags{$input{only_with_tag}})) {
                   1109:     %tags = %alltags;
                   1110:   }
                   1111:
                   1112:   if (scalar %tags
                   1113:       || $input{only_with_tag}
                   1114:       || $edit_option_form
3.254     scop     1115:       || defined($input{options}))
3.120     scop     1116:   {
3.208     scop     1117:     print "<hr />\n";
3.120     scop     1118:   }
                   1119:
                   1120:   if (scalar %tags || $input{only_with_tag}) {
3.208     scop     1121:     print "<form method=\"get\" action=\"./\">\n<p>\n";
3.120     scop     1122:     foreach my $var (@stickyvars) {
3.296     scop     1123:       printf("<input type=\"hidden\" name=\"%s\" value=\"%s\" />\n",
                   1124:              $var, htmlquote($input{$var}))
3.120     scop     1125:         if (defined($input{$var})
                   1126:             && (!defined($DEFAULTVALUE{$var})
                   1127:                 || $input{$var} ne $DEFAULTVALUE{$var})
                   1128:             && $var ne 'only_with_tag');
                   1129:     }
3.208     scop     1130:     printf(<<EOF, ($use_java_script ? ' onchange="this.form.submit()"' : ''));
3.239     scop     1131: <span class="nowrap">
3.208     scop     1132: <label for="only_with_tag" accesskey="T">Show only files with tag:
                   1133: <select id="only_with_tag" name="only_with_tag"%s>
                   1134: <option value="">All tags / default branch</option>
                   1135: EOF
3.120     scop     1136:     foreach my $tag (reverse sort { lc $a cmp lc $b } keys %tags) {
3.136     scop     1137:       my $selected =
                   1138:         defined($input{only_with_tag}) && $input{only_with_tag} eq $tag;
                   1139:       printf("<option%s>%s</option>\n",
3.208     scop     1140:              $selected ? ' selected="selected"' : '',
3.136     scop     1141:              htmlquote($tag));
3.120     scop     1142:     }
3.208     scop     1143:     printf(<<EOF, htmlquote($where));
                   1144: </select>
3.239     scop     1145: </label></span> <span class="nowrap">
                   1146: <label for="path" accesskey="P">Module path or alias:
3.208     scop     1147: <input type="text" id="path" name="path" value="%s" size="15" /></label>
3.239     scop     1148: </span>
3.208     scop     1149: <input type="submit" value="Go" accesskey="G" />
                   1150: </p>
                   1151: </form>
                   1152: EOF
3.120     scop     1153:   }
                   1154:
3.188     scop     1155:   if ($allow_tar && $filesfound) {
3.120     scop     1156:     my ($basefile) = ($where =~ m,(?:.*/)?([^/]+),);
3.192     scop     1157:     my $havetar = $CMD{tar} && $CMD{gzip};
                   1158:     my $havezip = $CMD{zip};
                   1159:     if (defined($basefile) && $basefile ne '' && ($havetar || $havezip)) {
3.203     scop     1160:       my $q = ($query ? "$query;" : '?') . 'tarball=1';
3.208     scop     1161:       print "<hr />\n",
3.189     scop     1162:         '<div style="text-align: center">Download this directory in ';
3.192     scop     1163:       # Mangle the filename so browsers show a reasonable filename to download.
                   1164:       my @types = ();
3.271     scop     1165:       $basefile = uri_escape($basefile);
3.192     scop     1166:       push(@types, &link('tarball', "$basefile.tar.gz$q")) if $havetar;
                   1167:       push(@types, &link('zip archive', "$basefile.zip$q")) if $havezip;
                   1168:       print join(' or ', @types), "</div>\n";
3.120     scop     1169:     }
                   1170:   }
                   1171:
3.254     scop     1172:   if ($edit_option_form || defined($input{options})) {
3.120     scop     1173:
3.149     scop     1174:     print <<EOF;
3.270     scop     1175: <form method="get" action="./">
3.189     scop     1176: <fieldset>
                   1177: <legend>General options</legend>
3.208     scop     1178: <input type="hidden" name="copt" value="1" />
3.149     scop     1179: EOF
4.14      schwarze 1180:     for my $v (qw(hidecvsroot hidenonreadable)) {
3.283     scop     1181:       printf(qq{<input type="hidden" name="%s" value="%s" />\n},
                   1182:              $v, $input{$v} || 0);
                   1183:     }
3.120     scop     1184:     if ($cvstree ne $cvstreedefault) {
3.208     scop     1185:       print "<input type=\"hidden\" name=\"cvsroot\" value=\"$cvstree\" />\n";
3.120     scop     1186:     }
3.149     scop     1187:     print <<EOF;
3.265     scop     1188: <table summary="General options">
3.149     scop     1189: <tr>
3.189     scop     1190: <td class="opt-label">
                   1191: <label for="sortby" accesskey="F">Sort files by:</label>
                   1192: </td>
                   1193: <td class="opt-value">
3.149     scop     1194: <select id="sortby" name="sortby">
                   1195: <option value="">File</option>
                   1196: EOF
3.208     scop     1197:     print "<option", $bydate ? ' selected="selected"' : '',
3.120     scop     1198:       " value=\"date\">Age</option>\n";
3.208     scop     1199:     print "<option", $byauthor ? ' selected="selected"' : '',
3.120     scop     1200:       " value=\"author\">Author</option>\n"
3.140     scop     1201:         if $show_author;
3.208     scop     1202:     print "<option", $byrev ? ' selected="selected"' : '',
3.120     scop     1203:       " value=\"rev\">Revision</option>\n";
3.208     scop     1204:     print "<option", $bylog ? ' selected="selected"' : '',
3.120     scop     1205:       " value=\"log\">Log message</option>\n";
3.189     scop     1206:     print <<EOF;
                   1207: </select>,
                   1208: <label for="ignorecase" accesskey="I">case-insensitive:
                   1209: EOF
                   1210:     print '<input id="ignorecase" name="ignorecase" type="checkbox"',
3.208     scop     1211:       $input{ignorecase} ? ' checked="checked"' : '',
                   1212:         " value=\"1\" /></label>\n";
3.189     scop     1213:     print <<EOF;
                   1214: </td>
                   1215: <td class="opt-label">
                   1216: <label for="hideattic" accesskey="A">Hide files in Attic:</label>
                   1217: </td>
                   1218: <td class="opt-value">
                   1219: EOF
                   1220:     print '<input id="hideattic" name="hideattic" type="checkbox"',
3.208     scop     1221:       $input{hideattic} ? ' checked="checked"' : '', ' value="1" />';
3.189     scop     1222:     print <<EOF;
                   1223: </td>
                   1224: </tr>
                   1225: <tr>
                   1226: <td class="opt-label">
                   1227: <label for="logsort" accesskey="L">Sort log by:</label>
                   1228: </td>
                   1229: <td class="opt-value">
                   1230: EOF
3.120     scop     1231:     printLogSortSelect(0);
3.189     scop     1232:     print <<EOF;
                   1233: </td>
                   1234: <td class="opt-label">
                   1235: <label for="ln" accesskey="N">Show line numbers:</label>
                   1236: </td>
                   1237: <td class="opt-value">
                   1238: EOF
                   1239:     print '<input id="ln" name="ln" type="checkbox"',
3.208     scop     1240:       $input{ln} ? ' checked="checked"' : '', " value=\"1\" />\n";
3.189     scop     1241:     print <<EOF;
                   1242: </td>
                   1243: </tr>
                   1244: <tr>
                   1245: <td class="opt-label">
                   1246: <label for="f" accesskey="D">Diff format:</label>
                   1247: </td>
                   1248: <td>
                   1249: EOF
3.120     scop     1250:     printDiffSelect(0);
3.149     scop     1251:     print <<EOF;
3.189     scop     1252: </td>
                   1253: <td colspan="2" class="opt-label">
3.208     scop     1254: <input type="submit" value="Change Options" accesskey="C" />
3.189     scop     1255: </td>
3.149     scop     1256: </tr>
                   1257: </table>
3.189     scop     1258: </fieldset>
3.149     scop     1259: </form>
                   1260: EOF
3.120     scop     1261:   }
                   1262:   html_footer();
3.80      knu      1263: }
3.1       knu      1264:
                   1265: ###############################
                   1266: # View Files
                   1267: ###############################
3.80      knu      1268: elsif (-f $fullname . ',v') {
3.114     scop     1269:
3.254     scop     1270:   if (defined($input{rev}) || $doCheckout) {
3.275     scop     1271:     &doCheckout($fullname, $input{rev}, $input{only_with_tag});
3.120     scop     1272:     gzipclose();
                   1273:     exit;
                   1274:   }
                   1275:
3.254     scop     1276:   if (defined($input{annotate}) && $allow_annotate) {
3.275     scop     1277:     &doAnnotate($input{annotate}, $input{only_with_tag});
3.120     scop     1278:     gzipclose();
                   1279:     exit;
                   1280:   }
                   1281:
3.254     scop     1282:   if (defined($input{r1}) && defined($input{r2})) {
                   1283:     &doDiff($fullname,  $input{r1},  $input{tr1},
                   1284:             $input{r2}, $input{tr2}, $input{f});
3.120     scop     1285:     gzipclose();
                   1286:     exit;
                   1287:   }
3.132     scop     1288:
3.170     scop     1289:   if ($allow_cvsgraph && $input{graph}) {
                   1290:     if ($input{makeimage}) {
                   1291:       doGraph();
3.132     scop     1292:     } else {
3.170     scop     1293:       doGraphView();
3.132     scop     1294:     }
                   1295:     gzipclose();
                   1296:     exit;
                   1297:   }
                   1298:
3.120     scop     1299:   &doLog($fullname);
3.276     scop     1300: }
3.120     scop     1301:
3.276     scop     1302: ##############################
                   1303: # View Diff
                   1304: ##############################
                   1305: elsif ($fullname =~ s/\.diff$//
                   1306:        && -f $fullname . ',v' && $input{r1} && $input{r2})
3.120     scop     1307: {
                   1308:
                   1309:   # $where-diff-removal if 'cvs rdiff' is used
                   1310:   # .. but 'cvs rdiff'doesn't support some options
                   1311:   # rcsdiff does (-w and -p), so it is disabled
                   1312:   # $where =~ s/\.diff$//;
                   1313:
3.189     scop     1314:   # Allow diffs using the ".diff" extension so that browsers that default
                   1315:   # to the filename in the URL when saving don't save diffs as eg. foo.c.
3.254     scop     1316:   &doDiff($fullname,  $input{r1},  $input{tr1},
                   1317:           $input{r2}, $input{tr2}, $input{f});
3.120     scop     1318:   gzipclose();
                   1319:   exit;
                   1320:
3.276     scop     1321: }
                   1322:
                   1323: elsif (do { (my $tmp = $fullname) =~ s|/([^/]+)$|/Attic/$1|; -f "$tmp,v" }) {
3.120     scop     1324:   # The file has been removed and is in the Attic.
                   1325:   # Send a redirect pointing to the file in the Attic.
                   1326:   (my $newplace = $scriptwhere) =~ s|/([^/]+)$|/Attic/$1|;
                   1327:   if ($ENV{QUERY_STRING} ne "") {
3.268     scop     1328:     redirect("$newplace?$ENV{QUERY_STRING}");
3.120     scop     1329:   } else {
                   1330:     redirect($newplace);
                   1331:   }
                   1332:   exit;
3.268     scop     1333:
3.276     scop     1334: }
                   1335:
                   1336: elsif (0 && (my @files = &safeglob($fullname . ",v"))) {
3.120     scop     1337:   http_header("text/plain");
                   1338:   print "You matched the following files:\n";
                   1339:   print join ("\n", @files);
3.80      knu      1340:
3.276     scop     1341:   # TODO:
3.120     scop     1342:   # Find the tags from each file
                   1343:   # Display a form offering diffs between said tags
3.276     scop     1344: }
3.80      knu      1345:
3.276     scop     1346: else {
3.120     scop     1347:   # Assume it's a module name with a potential path following it.
3.268     scop     1348:   my $module;
3.266     scop     1349:   my $xtra = (($module = $where) =~ s|(/.*)||) ? $1 : '';
3.80      knu      1350:
3.120     scop     1351:   # Is there an indexed version of modules?
3.268     scop     1352:   my $fh = do { local (*FH); };
                   1353:   if (open($fh, catfile($cvsroot, 'CVSROOT', 'modules'))) {
3.120     scop     1354:     while (<$fh>) {
                   1355:       if (/^(\S+)\s+(\S+)/o
                   1356:           && $module eq $1
3.268     scop     1357:           && $module ne $2
                   1358:           && -d "$cvsroot/$2")
3.120     scop     1359:       {
3.267     scop     1360:         close($fh);
3.120     scop     1361:         redirect("$scriptname/$2$xtra$query");
                   1362:       }
                   1363:     }
3.267     scop     1364:     close($fh);
3.120     scop     1365:   }
                   1366:   fatal("404 Not Found", '%s: no such file or directory', $where);
3.80      knu      1367: }
3.23      knu      1368:
3.25      knu      1369: gzipclose();
3.80      knu      1370:
3.1       knu      1371: ## End MAIN
                   1372:
3.175     scop     1373:
3.120     scop     1374: sub printDiffSelect($)
                   1375: {
                   1376:   my ($use_java_script) = @_;
                   1377:
                   1378:   print '<select id="f" name="f"';
                   1379:   print ' onchange="this.form.submit()"' if $use_java_script;
                   1380:   print ">\n";
                   1381:
3.175     scop     1382:   for my $difftype (@DIFFTYPES) {
3.120     scop     1383:     printf("<option value=\"%s\"%s>%s</option>\n",
3.208     scop     1384:            $difftype, $input{f} eq $difftype ? ' selected="selected"' : '',
3.175     scop     1385:            "\u$DIFFTYPES{$difftype}{descr}");
3.120     scop     1386:   }
                   1387:
                   1388:   print "</select>";
                   1389: }
                   1390:
3.175     scop     1391:
3.168     scop     1392: sub printDiffSelectStickyVars()
                   1393: {
                   1394:   while (my ($key, $val) = each %input) {
                   1395:     next if ($key eq 'f');
                   1396:     next if (defined($DEFAULTVALUE{$key}) && $DEFAULTVALUE{$key} eq $val);
3.206     scop     1397:     print "<input type=\"hidden\" name=\"", htmlquote($key), "\" value=\"",
3.208     scop     1398:       htmlquote($val), "\" />\n";
3.168     scop     1399:   }
                   1400: }
                   1401:
3.175     scop     1402:
3.120     scop     1403: sub printLogSortSelect($)
                   1404: {
                   1405:   my ($use_java_script) = @_;
                   1406:
                   1407:   print '<select id="logsort" name="logsort"';
                   1408:   print ' onchange="this.form.submit()"' if $use_java_script;
                   1409:   print ">\n";
                   1410:
3.175     scop     1411:   for my $sortkey (@LOGSORTKEYS) {
3.120     scop     1412:     printf("<option value=\"%s\"%s>%s</option>\n",
3.208     scop     1413:            $sortkey, $logsort eq $sortkey ? ' selected="selected"' : '',
3.175     scop     1414:            "\u$LOGSORTKEYS{$sortkey}{descr}");
3.120     scop     1415:   }
                   1416:
                   1417:   print "</select>";
                   1418: }
                   1419:
3.175     scop     1420:
3.197     scop     1421: #
                   1422: # Find the last modified, version controlled files in the given directories.
                   1423: # Compares solely based on modification timestamps.  Files in the returned list
                   1424: # are without the ,v suffix, and unreadable files have been filtered out.
                   1425: #
3.120     scop     1426: sub findLastModifiedSubdirs(@)
                   1427: {
                   1428:   my (@dirs) = @_;
                   1429:
3.175     scop     1430:   my @files;
                   1431:   foreach my $dirname (@dirs) {
3.196     scop     1432:     next if ($dirname eq curdir() || $dirname eq updir());
                   1433:     my $dir = catdir($fullname, $dirname);
3.120     scop     1434:     next if (!-d $dir);
                   1435:
                   1436:     my $dh = do { local (*DH); };
                   1437:     opendir($dh, $dir) or next;
3.233     scop     1438:     my (@filenames) = grep(!forbidden(catfile($dir, $_)), readdir($dh));
3.120     scop     1439:     closedir($dh);
                   1440:
3.175     scop     1441:     my $lastmod     = undef;
                   1442:     my $lastmodtime = undef;
3.120     scop     1443:     foreach my $filename (@filenames) {
3.197     scop     1444:       ($filename) =
                   1445:         (catfile($dirname, $filename) =~ VALID_PATH) or next; # untaint
3.196     scop     1446:       my ($file) = catfile($fullname, $filename);
3.197     scop     1447:       next if ($filename !~ /,v$/o || !-f $file || !-r _);
                   1448:       my $modtime = -M _;
3.120     scop     1449:       if (!defined($lastmod) || $modtime < $lastmodtime) {
3.233     scop     1450:         ($lastmod    = $filename) =~ s/,v$//;
3.120     scop     1451:         $lastmodtime = $modtime;
                   1452:       }
                   1453:     }
3.175     scop     1454:     push(@files, $lastmod) if (defined($lastmod));
3.120     scop     1455:   }
                   1456:   return @files;
                   1457: }
                   1458:
3.175     scop     1459:
3.120     scop     1460: sub htmlify_sub(&$)
                   1461: {
                   1462:   (my $proc, local $_) = @_;
3.261     scop     1463:   my @a = split(m|(<a [^>]+>[^<]*</a>)|i);
3.120     scop     1464:   my $linked;
                   1465:   my $result = '';
                   1466:
                   1467:   while (($_, $linked) = splice(@a, 0, 2)) {
                   1468:     &$proc();
                   1469:     $result .= $_      if defined($_);
                   1470:     $result .= $linked if defined($linked);
                   1471:   }
                   1472:
3.175     scop     1473:   return $result;
3.120     scop     1474: }
                   1475:
3.175     scop     1476:
3.120     scop     1477: sub htmlify($;$)
                   1478: {
                   1479:   (local $_, my $extra) = @_;
                   1480:
                   1481:   $_ = htmlquote($_);
                   1482:
                   1483:   # get URL's as link
                   1484:   s{
3.130     scop     1485:     ((https?|ftp)://.+?)([\s\']|&(quot|[lg]t);)
3.120     scop     1486:    }{
3.130     scop     1487:      &link($1, htmlunquote($1)) . $3
3.120     scop     1488:    }egx;
                   1489:
3.290     scop     1490:   if ($allow_mailtos) {
                   1491:     # Make mailto: links from email addresses.
                   1492:     $_ = htmlify_sub {
                   1493:       s<
                   1494:         ([\w+=\-.!]+@[\w\-]+(?:\.[\w\-]+)+)
                   1495:        ><
                   1496:          &link($1, "mailto:$1")
                   1497:        >egix;
                   1498:     } $_;
                   1499:   }
3.120     scop     1500:
                   1501:   if ($extra) {
                   1502:
                   1503:     # get PR #'s as link: "PR#nnnn" "PR: nnnn, ..." "PR nnnn, ..." "bin/nnnn"
                   1504:     if (defined($prcgi) && defined($re_prkeyword)) {
                   1505:       my $prev;
                   1506:
                   1507:       do {
                   1508:         $prev = $_;
                   1509:         $_ = htmlify_sub {
                   1510:           s{
                   1511:             (\b$re_prkeyword[:\#]?\s*
                   1512:              (?:
                   1513:               \#?
                   1514:               \d+[,\s]\s*
                   1515:              )*
                   1516:              \#?)
                   1517:             (\d+)\b
                   1518:            }{
                   1519:              $1 . &link($2, sprintf($prcgi, $2))
                   1520:            }egix;
                   1521:         } $_;
                   1522:       } while ($_ ne $prev);
                   1523:
                   1524:       if (defined($re_prcategories)) {
                   1525:         $_ = htmlify_sub {
                   1526:           s{
                   1527:             (\b$re_prcategories/(\d+)\b)
                   1528:            }{
                   1529:              &link($1, sprintf($prcgi, $2))
                   1530:            }egox;
                   1531:         } $_;
                   1532:       }
                   1533:     }
                   1534:
                   1535:     # get manpage specs as link: "foo.1" "foo(1)"
                   1536:     if (defined($mancgi)) {
                   1537:       $_ = htmlify_sub {
                   1538:         s{
3.143     knu      1539:           (
                   1540:            \b ( \w[\w+\-.]* (?: ::\w[\w+\-.]*)* )
3.120     scop     1541:            (?:
3.143     knu      1542:             \( ([0-9n]) \) \B
3.120     scop     1543:             |
3.143     knu      1544:             \. ([0-9n]) \b
3.120     scop     1545:            )
                   1546:           )
                   1547:          }{
3.149     scop     1548:             my($text, $name, $section) = ($1, $2, defined($3) ? $3 : $4);
                   1549:             ($name =~ /[A-Za-z]/ && $name !~ /\.(:|$)/)
4.6       schwarze 1550:              ? &link($text, sprintf($mancgi, uri_escape($name), $section))
3.149     scop     1551:               : $text;
3.120     scop     1552:          }egx;
                   1553:       } $_;
                   1554:     }
                   1555:   }
                   1556:
3.175     scop     1557:   return $_;
3.120     scop     1558: }
                   1559:
3.175     scop     1560:
3.120     scop     1561: sub spacedHtmlText($;$)
                   1562: {
3.175     scop     1563:   (local $_, my $ts) = @_;
3.224     scop     1564:   return '' unless defined($_);
3.284     scop     1565:   $ts ||= $tabstop || 8;
3.120     scop     1566:
3.286     scop     1567:   # Expand tabs
                   1568:   1 while s/(.*?)(\t+)/$1 . ' ' x (length($2) * $ts - length($1) % $ts)/e;
3.120     scop     1569:
                   1570:   if ($hr_breakable) {
3.277     scop     1571:     s/^ /\001nbsp;/;      # protect leading and...
                   1572:     s/ $/\001nbsp;/;      # ...trailing whitespace (mostly for String::Ediff),
                   1573:     s/  / \001nbsp;/g;    # ...and leave every other space 'breakable'
3.120     scop     1574:   } else {
                   1575:     s/ /\001nbsp;/g;
                   1576:   }
                   1577:
                   1578:   $_ = htmlify($_, $allow_source_extra);
                   1579:
                   1580:   # unescape
                   1581:   y/\001/&/;
                   1582:
                   1583:   return $_;
                   1584: }
                   1585:
3.175     scop     1586:
3.120     scop     1587: # Note that this doesn't htmlquote the first argument...
                   1588: sub link($$)
                   1589: {
                   1590:   my ($name, $url) = @_;
3.271     scop     1591:   return sprintf('<a href="%s">%s</a>', htmlquote($url), $name);
3.120     scop     1592: }
                   1593:
3.175     scop     1594:
3.120     scop     1595: sub revcmp($$)
                   1596: {
                   1597:   my ($rev1, $rev2) = @_;
                   1598:
                   1599:   # make no comparison for a tag or a branch
                   1600:   return 0 if $rev1 =~ /[^\d.]/ || $rev2 =~ /[^\d.]/;
                   1601:
3.261     scop     1602:   my (@r1) = split(/\./, $rev1);
                   1603:   my (@r2) = split(/\./, $rev2);
3.120     scop     1604:   my ($a, $b);
                   1605:
3.261     scop     1606:   while (($a = shift(@r1)) && ($b = shift(@r2))) {
                   1607:     return $a <=> $b unless ($a == $b);
3.120     scop     1608:   }
                   1609:   if (@r1) { return  1; }
                   1610:   if (@r2) { return -1; }
                   1611:   return 0;
                   1612: }
                   1613:
3.175     scop     1614:
3.287     scop     1615: #
                   1616: # Signal a fatal error.
                   1617: #
3.120     scop     1618: sub fatal($$@)
                   1619: {
                   1620:   my ($errcode, $format, @args) = @_;
3.185     scop     1621:   print "Status: $errcode\r\n";
3.131     scop     1622:   html_header('Error');
3.215     scop     1623:   print '<div id="error">Error: ',
                   1624:     sprintf($format, map(htmlquote($_), @args)), "</div>\n";
3.120     scop     1625:   html_footer();
                   1626:   exit(1);
                   1627: }
                   1628:
3.175     scop     1629:
3.269     scop     1630: #
3.287     scop     1631: # Signal a (fatal) configuration error.
                   1632: #
                   1633: sub config_error($$)
                   1634: {
                   1635:   fatal('500 Internal Error',
                   1636:         'Error loading configuration file "<code>%s</code>":<br /><br />' .
                   1637:         '%s<br />', @_);
                   1638: }
                   1639:
                   1640:
                   1641: #
3.269     scop     1642: # Sends a redirect to the given URL.
                   1643: #
                   1644: sub redirect($;$)
3.120     scop     1645: {
3.269     scop     1646:   my ($url, $permanent) = @_;
                   1647:   my ($status, $text);
                   1648:   if ($permanent) {
                   1649:     $status = '301';
                   1650:     $text   = 'Moved Permanently';
                   1651:   } else {
                   1652:     $status = '302';
                   1653:     $text   = 'Found';
                   1654:   }
                   1655:   print "Status: $status $text\r\n", "Location: $url\r\n";
                   1656:   html_header($text);
                   1657:   print "<p>This document has moved ", &link('here', $url), ".</p>\n";
3.120     scop     1658:   html_footer();
                   1659:   exit(1);
                   1660: }
                   1661:
3.175     scop     1662:
3.120     scop     1663: sub safeglob($)
                   1664: {
                   1665:   my ($filename) = @_;
                   1666:
3.175     scop     1667:   (my $dirname = $filename) =~ s|/[^/]+$||;
3.120     scop     1668:   $filename =~ s|.*/||;
                   1669:
3.175     scop     1670:   my @results;
                   1671:   my $dh = do { local (*DH); };
3.120     scop     1672:   if (opendir($dh, $dirname)) {
                   1673:     my $glob = $filename;
                   1674:     my $t;
                   1675:
3.149     scop     1676:     #   transform filename from glob to regex.  Deal with:
                   1677:     #   [, {, ?, * as glob chars
                   1678:     #   make sure to escape all other regex chars
3.120     scop     1679:     $glob =~ s/([\.\(\)\|\+])/\\$1/g;
                   1680:     $glob =~ s/\*/.*/g;
                   1681:     $glob =~ s/\?/./g;
                   1682:     $glob =~ s/{([^}]+)}/($t = $1) =~ s-,-|-g; "($t)"/eg;
3.222     scop     1683:     $glob = qr/^$glob$/;
                   1684:
3.120     scop     1685:     foreach (readdir($dh)) {
3.222     scop     1686:       if ($_ =~ $glob && $_ =~ VALID_PATH) {
3.194     scop     1687:         push(@results, catfile($dirname, $1)); # untaint
3.120     scop     1688:       }
                   1689:     }
                   1690:     closedir($dh);
                   1691:   }
                   1692:
3.175     scop     1693:   return @results;
3.120     scop     1694: }
                   1695:
3.160     scop     1696:
3.227     scop     1697: #
3.230     scop     1698: # Searches @command_path for the given executable file.
3.227     scop     1699: #
3.120     scop     1700: sub search_path($)
                   1701: {
                   1702:   my ($command) = @_;
3.230     scop     1703:   for my $d (@command_path) {
3.227     scop     1704:     my $cmd = catfile($d, $command);
                   1705:     return $cmd if (-x $cmd && !-d _);
3.120     scop     1706:   }
                   1707:   return '';
                   1708: }
                   1709:
3.156     scop     1710:
3.219     scop     1711: #
                   1712: # Gets the enscript(1) highlight mode corresponding to the given filename,
                   1713: # or undef if unsupported.
                   1714: #
                   1715: sub getEnscriptHL($)
                   1716: {
                   1717:   return undef unless $allow_enscript;
                   1718:   my ($filename) = @_;
                   1719:   while (my ($hl, $regex) = each %enscript_types) {
                   1720:     return $hl if ($filename =~ $regex);
                   1721:   }
                   1722:   return undef;
                   1723: }
                   1724:
                   1725:
                   1726: #
                   1727: # Gets the MIME type for the given file name.
                   1728: #
3.156     scop     1729: sub getMimeType($;$)
3.120     scop     1730: {
3.156     scop     1731:   my ($fullname, $binary) = @_;
                   1732:   $binary = ($keywordsubstitution && $keywordsubstitution =~ /b/)
                   1733:     unless defined($binary);
                   1734:
                   1735:   (my $suffix = $fullname) =~ s/^.*\.([^.]*)$/$1/;
                   1736:
                   1737:   my $mimetype = $MTYPES{$suffix};
                   1738:   $mimetype  ||= $MimeTypes->mimeTypeOf($fullname) if defined($MimeTypes);
                   1739:
                   1740:   if (!$mimetype && $suffix ne '*' && -f $mime_types && -r _) {
                   1741:     my $fh = do { local (*FH); };
                   1742:     if (open($fh, $mime_types)) {
                   1743:       my $re = sprintf('^\s*(\S+\/\S+)\s.+\b%s\b', quotemeta($suffix));
3.222     scop     1744:       $re = qr/$re/;
3.156     scop     1745:       while (my $line = <$fh>) {
                   1746:         if ($line =~ $re) {
                   1747:           $mimetype = $1;
                   1748:           $MTYPES{$suffix} = $mimetype;
                   1749:           last;
                   1750:         }
3.120     scop     1751:       }
3.156     scop     1752:       close($fh);
                   1753:     } else {
                   1754:       warn("Can't open MIME types file $mime_types for reading: $!");
3.120     scop     1755:     }
                   1756:   }
                   1757:
3.156     scop     1758:   $mimetype ||= $MTYPES{'*'};
                   1759:   $mimetype ||= $binary ? 'application/octet-stream' : 'text/plain';
3.120     scop     1760:   return $mimetype;
3.1       knu      1761: }
                   1762:
3.156     scop     1763:
3.1       knu      1764: ###############################
3.24      knu      1765: # read first lines like head(1)
                   1766: ###############################
3.120     scop     1767: sub head($;$)
                   1768: {
3.175     scop     1769:   my ($fh, $linecount) = @_;
                   1770:   $linecount ||= 10;
3.24      knu      1771:
3.120     scop     1772:   my @buf;
                   1773:   if ($linecount > 0) {
3.184     scop     1774:     for (my $i = 0; !eof($fh) && $i < $linecount; $i++) {
3.120     scop     1775:       push @buf, scalar <$fh>;
                   1776:     }
                   1777:   } else {
                   1778:     @buf = <$fh>;
                   1779:   }
3.175     scop     1780:   return @buf;
                   1781: }
3.120     scop     1782:
3.24      knu      1783:
                   1784: ###############################
                   1785: # scan vim and Emacs directives
                   1786: ###############################
3.120     scop     1787: sub scan_directives(@)
                   1788: {
                   1789:   my $ts = undef;
3.24      knu      1790:
3.120     scop     1791:   for (@_) {
                   1792:     $ts = $1 if /\b(?:ts|tabstop|tab-width)[:=]\s*([1-9]\d*)\b/;
                   1793:   }
3.24      knu      1794:
3.120     scop     1795:   ('tabstop' => $ts);
3.24      knu      1796: }
                   1797:
3.175     scop     1798:
3.120     scop     1799: sub openOutputFilter()
                   1800: {
3.175     scop     1801:   return unless $output_filter;
3.86      knu      1802:
3.120     scop     1803:   open(STDOUT, "|-") and return;
3.86      knu      1804:
3.120     scop     1805:   # child of child
3.273     scop     1806:   open(STDERR, '>', devnull()) unless $DEBUG;
3.120     scop     1807:   exec($output_filter) or exit -1;
3.86      knu      1808: }
                   1809:
3.175     scop     1810:
3.24      knu      1811: ###############################
3.1       knu      1812: # show Annotation
                   1813: ###############################
3.275     scop     1814: sub doAnnotate($$)
3.120     scop     1815: {
3.275     scop     1816:   my ($rev, $tag) = @_;
                   1817:   $rev = $tag || 'HEAD' if ($rev eq '.');
3.262     scop     1818:   (my $pathname = $where) =~ s|((?<=/)Attic/)?[^/]*$||;
3.261     scop     1819:   (my $filename = $where) =~ s|^.*/||;
3.126     scop     1820:
3.174     scop     1821:   # This annotate version is based on the cvs annotate-demo Perl script by
                   1822:   # Cyclic Software.  It was written by Cyclic Software,
                   1823:   # http://www.cyclic.com/, and is in the public domain.
                   1824:   # We could abandon the use of rlog, rcsdiff and co using
                   1825:   # the cvs server in a similiar way one day (..after rewrite).
                   1826:
                   1827:   local (*CVS_IN, *CVS_OUT);
3.215     scop     1828:   my $annotate_err;
3.174     scop     1829:   my ($h, $err) =
                   1830:     startproc([ $CMD{cvs}, @annotate_options, 'server' ],
3.215     scop     1831:               '<pipe', \*CVS_IN, '>pipe', \*CVS_OUT,
3.229     scop     1832:               '2>', \$annotate_err);
3.215     scop     1833:   fatal('500 Internal Error',
                   1834:         'Annotate failure (exit status %s), output: <pre>%s</pre>',
                   1835:         $? >> 8 || -1, $err)
                   1836:     unless $h;
3.120     scop     1837:
                   1838:   # OK, first send the request to the server.  A simplified example is:
                   1839:   #     Root /home/kingdon/zwork/cvsroot
                   1840:   #     Argument foo/xx
                   1841:   #     Directory foo
                   1842:   #     /home/kingdon/zwork/cvsroot/foo
                   1843:   #     Directory .
                   1844:   #     /home/kingdon/zwork/cvsroot
                   1845:   #     annotate
                   1846:   # although as you can see there are a few more details.
                   1847:
3.174     scop     1848:   print CVS_IN "Root $cvsroot\n";
                   1849:   print CVS_IN
3.120     scop     1850:     "Valid-responses ok error Valid-requests Checked-in Updated Merged Removed M E\n";
                   1851:
                   1852:   # Don't worry about sending valid-requests, the server just needs to
                   1853:   # support "annotate" and if it doesn't, there isn't anything to be done.
3.174     scop     1854:   print CVS_IN "UseUnchanged\n";
                   1855:   print CVS_IN "Argument -r\n";
                   1856:   print CVS_IN "Argument $rev\n";
                   1857:   print CVS_IN "Argument $where\n";
3.120     scop     1858:
                   1859:   # The protocol requires us to fully fake a working directory (at
                   1860:   # least to the point of including the directories down to the one
                   1861:   # containing the file in question).
3.123     scop     1862:   # So if $where is "dir/sdir/file", then dirs will be ("dir","sdir","file")
                   1863:   my $path = '';
                   1864:   foreach my $dir (split('/', $where)) {
3.120     scop     1865:
                   1866:     if ($path eq "") {
3.123     scop     1867:       # In our example, $dir is "dir".
                   1868:       $path = $dir;
3.120     scop     1869:     } else {
3.174     scop     1870:       print CVS_IN "Directory $path\n";
                   1871:       print CVS_IN "$cvsroot/$path\n";
3.120     scop     1872:
                   1873:       # In our example, $_ is "sdir" and $path becomes "dir/sdir"
                   1874:       # And the next time, "file" and "dir/sdir/file" (which then gets
                   1875:       # ignored, because we don't need to send Directory for the file).
3.123     scop     1876:       $path .= "/$dir";
3.120     scop     1877:     }
                   1878:   }
3.123     scop     1879:   undef $path;
3.120     scop     1880:
                   1881:   # And the last "Directory" before "annotate" is the top level.
3.174     scop     1882:   print CVS_IN "Directory .\n";
                   1883:   print CVS_IN "$cvsroot\n";
3.120     scop     1884:
3.174     scop     1885:   print CVS_IN "annotate\n";
3.120     scop     1886:
                   1887:   # OK, we've sent our command to the server.  Thing to do is to
3.215     scop     1888:   # close the writer side and get all the responses.
                   1889:   if (!close(CVS_IN)) {
3.229     scop     1890:     $h->finish();
3.215     scop     1891:     fatal('500 Internal Error',
                   1892:           'Annotate failure (exit status %s): <code>%s</code>, output: ' .
                   1893:           '<pre>%s</pre>', $? >> 8, $!, $annotate_err);
                   1894:   }
3.120     scop     1895:
3.133     scop     1896:   navigateHeader($scriptwhere, $pathname, $filename, $rev, 'annotate');
3.120     scop     1897:
3.275     scop     1898:   my $revtype = ($rev =~ /\./) ? 'revision' : 'tag'; # TODO: tag -> branch/tag?
3.136     scop     1899:   print '<h3 style="text-align: center">Annotation of ',
3.275     scop     1900:     htmlquote("$pathname$filename"), ", $revtype $rev</h3>\n";
3.120     scop     1901:
                   1902:   # Ready to get the responses from the server.
                   1903:   # For example:
                   1904:   #     E Annotations for foo/xx
                   1905:   #     E ***************
                   1906:   #     M 1.3          (kingdon  06-Sep-97): hello
                   1907:   #     ok
                   1908:   my ($lineNr) = 0;
                   1909:   my ($oldLrev, $oldLusr) = ("", "");
                   1910:   my ($revprint, $usrprint);
                   1911:
                   1912:   if ($annTable) {
3.179     scop     1913:     print <<EOF;
                   1914: <table style="border: none" cellspacing="0" cellpadding="0" summary="Annotation">
                   1915: EOF
3.120     scop     1916:   } else {
                   1917:     print "<pre>";
                   1918:   }
                   1919:
                   1920:   # prefetch several lines
3.174     scop     1921:   my @buf = head(*CVS_OUT);
3.120     scop     1922:
                   1923:   my %d = scan_directives(@buf);
                   1924:
3.174     scop     1925:   while (@buf || !eof(*CVS_OUT)) {
3.197     scop     1926:
3.174     scop     1927:     $_ = @buf ? shift @buf : <CVS_OUT>;
3.120     scop     1928:     my @words = split;
                   1929:
                   1930:     # Adding one is for the (single) space which follows $words[0].
                   1931:     my $rest = substr($_, length($words[0]) + 1);
                   1932:     if ($words[0] eq "E") {
                   1933:       next;
                   1934:     } elsif ($words[0] eq "M") {
                   1935:       $lineNr++;
                   1936:       (my $lrev = substr($_, 2,  13)) =~ y/ //d;
                   1937:       (my $lusr = substr($_, 16, 9))  =~ y/ //d;
                   1938:       my $line = substr($_, 36);
3.275     scop     1939:       # TODO: this does not work for branch/tag revisions.
3.120     scop     1940:       my $isCurrentRev = ($rev eq $lrev);
                   1941:
                   1942:       # we should parse the date here ..
                   1943:       if ($lrev eq $oldLrev) {
                   1944:         $revprint = sprintf('%-8s', '');
                   1945:       } else {
                   1946:         $revprint = sprintf('%-8s', $lrev);
3.266     scop     1947:         $revprint =~ s|(\S+)|&link($1, uri_escape($filename)."$query#rev$1")|e;
3.120     scop     1948:         $oldLusr = '';
                   1949:       }
                   1950:
3.268     scop     1951:       $usrprint = ($lusr eq $oldLusr) ? '' : $lusr;
3.120     scop     1952:       $oldLrev = $lrev;
                   1953:       $oldLusr = $lusr;
                   1954:
3.250     scop     1955:       print $is_textbased ? '<b>' : '<span class="current-rev">'
                   1956:         if $isCurrentRev;
3.120     scop     1957:
3.136     scop     1958:       $usrprint = sprintf('%-8s', $usrprint);
                   1959:       printf '%s%s %s %4d:', $revprint, $isCurrentRev ? '!' : ' ',
                   1960:         htmlquote($usrprint), $lineNr;
3.254     scop     1961:       print spacedHtmlText($line, $d{tabstop});
3.120     scop     1962:
3.250     scop     1963:       print $is_textbased ? '</b>' : '</span>' if $isCurrentRev;
                   1964:
3.120     scop     1965:     } elsif ($words[0] eq "ok") {
                   1966:       # We could complain about any text received after this, like the
                   1967:       # CVS command line client.  But for simplicity, we don't.
3.275     scop     1968:
3.120     scop     1969:     } elsif ($words[0] eq "error") {
                   1970:       fatal("500 Internal Error",
                   1971:             'Error occured during annotate: <b>%s</b>', $_);
                   1972:     }
                   1973:   }
3.229     scop     1974:   $h->finish();
3.120     scop     1975:
                   1976:   if ($annTable) {
                   1977:     print "</table>";
                   1978:   } else {
                   1979:     print "</pre>";
                   1980:   }
3.124     scop     1981:   html_footer();
3.1       knu      1982: }
                   1983:
                   1984: ###############################
                   1985: # make Checkout
                   1986: ###############################
3.275     scop     1987: sub doCheckout($$$)
3.120     scop     1988: {
3.275     scop     1989:   my ($fullname, $rev, $tag) = @_;
                   1990:   $rev = $tag || undef if (!$rev || $rev eq '.');
3.120     scop     1991:
3.219     scop     1992:   # Start resolving whether we will do a markup view or not.
                   1993:   my $do_markup = undef;
3.226     scop     1994:   my $want_type = $input{'content-type'};
                   1995:
3.219     scop     1996:   # No markup if markup disallowed.
                   1997:   $do_markup = 0 unless $allow_markup;
3.226     scop     1998:
3.219     scop     1999:   # No markup if checkout magic cookie in URL.
                   2000:   $do_markup = 0 if (!defined($do_markup) && $doCheckout);
3.226     scop     2001:
3.219     scop     2002:   # Do markup if explicitly asked using cvsweb-markup content type.  If the
                   2003:   # asked content type is anything else, no markup.
3.226     scop     2004:   if (!defined($do_markup) && $want_type) {
                   2005:     if ($want_type =~ CVSWEBMARKUP) {
                   2006:       $want_type = undef;
                   2007:       $do_markup = 1;
                   2008:     } else {
                   2009:       $do_markup = 0;
                   2010:     }
3.219     scop     2011:   }
                   2012:
                   2013:   # Ok, if $do_markup is still undefined, we know that a download has not been
                   2014:   # explicitly asked.  For the last check further down below we'll need to
                   2015:   # know if the file is binary, and possibly run a log on it.
                   2016:   my $needlog = $do_markup || $use_moddate;
3.120     scop     2017:
3.163     scop     2018:   my $moddate = undef;
3.175     scop     2019:   my $revopt;
3.120     scop     2020:   if (defined($rev)) {
                   2021:     $revopt = "-r$rev";
3.219     scop     2022:     if ($needlog) {
3.120     scop     2023:       readLog($fullname, $rev);
3.275     scop     2024:       $moddate   = $date{$rev};
                   2025:       # TODO: even this does not work for branch tags, but only normal tags :(
                   2026:       $moddate ||= $date{$symrev{$rev}} if defined($symrev{$rev});
3.120     scop     2027:     }
                   2028:   } else {
                   2029:     $revopt = "-rHEAD";
3.219     scop     2030:     if ($needlog) {
3.120     scop     2031:       readLog($fullname);
                   2032:       $moddate = $date{$symrev{HEAD}};
                   2033:     }
                   2034:   }
                   2035:
3.194     scop     2036:   my $cr = abs_path($cvsroot) || $cvsroot;
                   2037:   # abs_path() taints when run as a CGI...
                   2038:   if ($cr =~ VALID_PATH) {
                   2039:     $cr = $1;
                   2040:   } else {
                   2041:     fatal('500 Internal Error', 'Illegal CVS root: <code>%s</code>', $cr);
                   2042:   }
3.183     scop     2043:   # Use abs_path() to work around a bug of cvs -p; expand symlinks if we can.
3.194     scop     2044:   my @cmd = ($CMD{cvs}, @cvs_options, '-d', $cr, 'co', '-p', $revopt, $where);
3.183     scop     2045:
3.174     scop     2046:   local (*CVS_OUT, *CVS_ERR);
                   2047:   my ($h, $err) =
3.229     scop     2048:     startproc(\@cmd, \"", '>pipe', \*CVS_OUT, '2>pipe', \*CVS_ERR);
3.215     scop     2049:   fatal('500 Internal Error',
                   2050:         'Checkout failure (exit status %s), output: <pre>%s</pre>',
                   2051:         $? >> 8 || -1, $err)
                   2052:     unless $h;
3.120     scop     2053:
3.174     scop     2054:   if (eof(CVS_ERR)) {
3.229     scop     2055:     $h->finish();
3.120     scop     2056:     fatal("404 Not Found", '%s is not (any longer) pertinent', $where);
                   2057:   }
                   2058:
                   2059:   #===================================================================
                   2060:   #Checking out squid/src/ftp.c
                   2061:   #RCS:  /usr/src/CVS/squid/src/ftp.c,v
                   2062:   #VERS: 1.1.1.28.6.2
                   2063:   #***************
                   2064:
                   2065:   # Parse CVS header
                   2066:   my ($revision, $filename, $cvsheader);
                   2067:   $filename = "";
3.174     scop     2068:   while (<CVS_ERR>) {
3.120     scop     2069:     last if (/^\*\*\*\*/);
                   2070:     $revision = $1 if (/^VERS: (.*)$/);
                   2071:
                   2072:     if (/^Checking out (.*)$/) {
3.214     scop     2073:       ($filename = $1) =~ s|^\./+||;
3.120     scop     2074:     }
                   2075:     $cvsheader .= $_;
                   2076:   }
3.219     scop     2077:   close(CVS_ERR);
3.120     scop     2078:
                   2079:   if ($filename ne $where) {
3.229     scop     2080:     $h->finish();
3.120     scop     2081:     fatal("500 Internal Error",
3.214     scop     2082:           'Unexpected output from cvs co: <pre>%s</pre> ' .
                   2083:           '(expected "<code>%s</code>" but got "<code>%s</code>")',
                   2084:           $cvsheader, $where, $filename);
3.120     scop     2085:   }
                   2086:
3.219     scop     2087:   # Last checks whether we'll do markup or not.
                   2088:   my $isbin = $keywordsubstitution && $keywordsubstitution =~ /b/;
                   2089:   my $mimetype = getMimeType($fullname, $isbin);
                   2090:
                   2091:   # If we still are not sure whether to do markup or not:
                   2092:   # if the MIME type is "viewable" or this is not a binary file, do.
                   2093:   $do_markup = !$isbin || viewable($mimetype) unless defined($do_markup);
                   2094:
                   2095:   if ($do_markup) {
                   2096:
                   2097:     # If this is something we'll be linking to in the markup view, we are
                   2098:     # done with this particular output from "cvs co" and must discard it.
                   2099:     my $linked = $mimetype =~ m{^image/|application/pdf$}i;
                   2100:     if ($linked) {
                   2101:       close(CVS_OUT);
3.229     scop     2102:       $h->finish();
3.219     scop     2103:     }
                   2104:
3.163     scop     2105:     # Here we know the last modified date, but don't know if tags have been
3.219     scop     2106:     # added afterwards (those are shown in the markup view): no last-modified.
                   2107:     cvswebMarkup(\*CVS_OUT, $fullname, $revision, $isbin, $mimetype, $needlog);
                   2108:
3.229     scop     2109:     $h->finish() unless $linked;
3.219     scop     2110:
3.120     scop     2111:   } else {
3.226     scop     2112:     http_header($want_type || $mimetype, $moddate);
3.174     scop     2113:     local $/ = undef;
                   2114:     print <CVS_OUT>;
3.229     scop     2115:     $h->finish();
3.120     scop     2116:   }
1.12      fenner   2117: }
                   2118:
3.174     scop     2119:
3.219     scop     2120: sub cvswebMarkup($$$$$$;$)
3.120     scop     2121: {
3.219     scop     2122:   my ($filehandle, $fullname, $rev, $isbin, $mimetype, $logged, $mod) = @_;
3.1       knu      2123:
3.262     scop     2124:   (my $pathname = $where) =~ s|((?<=/)Attic/)?[^/]*$||;
3.261     scop     2125:   (my $filename = $where) =~ s|^.*/||;
3.120     scop     2126:
3.219     scop     2127:   navigateHeader($scriptwhere, $pathname, $filename, $rev, 'view', $mod);
3.120     scop     2128:
3.144     scop     2129:   print <<EOF;
3.208     scop     2130: <hr />
3.182     scop     2131: <div class="log-markup">
                   2132: File:&nbsp;
3.144     scop     2133: EOF
3.219     scop     2134:   print &clickablePath($where, 1), "<br />\n";
3.120     scop     2135:
                   2136:   if ($show_log_in_markup) {
3.219     scop     2137:     readLog($fullname) unless $logged; #,$rev);
                   2138:     printLog($rev, $mimetype, $isbin);
3.120     scop     2139:   } else {
3.244     scop     2140:     print "Revision: <b>$rev</b><br />\n";
                   2141:     print 'Tag: ', htmlquote($input{only_with_tag}), "<br />\n"
3.120     scop     2142:       if $input{only_with_tag};
                   2143:   }
3.208     scop     2144:   print "</div>\n<hr />";
3.271     scop     2145:   my $url = download_url(uri_escape($filename), $rev, $mimetype);
3.120     scop     2146:
3.219     scop     2147:   if ($mimetype =~ m|^image/|i) {
3.208     scop     2148:     printf '<img src="%s" alt="%s" /><br />',
3.271     scop     2149:       $url . $barequery, htmlquote($filename);
3.219     scop     2150:   } elsif (lc($mimetype) eq 'application/pdf') {
3.208     scop     2151:     printf '<embed src="%s" width="100%%" height="100%%" /><br />',
3.271     scop     2152:       $url . $barequery;
3.120     scop     2153:   } else {
                   2154:
3.208     scop     2155:     print "<pre>\n";
3.167     scop     2156:     my $linenumbers = $input{ln} || 0;
3.149     scop     2157:
3.219     scop     2158:     if (my $enscript_hl = getEnscriptHL($filename)) {
3.167     scop     2159:       doEnscript($filehandle, $enscript_hl, $linenumbers);
3.148     scop     2160:
                   2161:     } else {
3.200     scop     2162:       my $ln  = 0;
                   2163:       my @buf = ();
                   2164:       my $ts  = undef;
                   2165:
                   2166:       if ($preformat_in_markup) {
                   2167:         # prefetch several lines
                   2168:         @buf = head($filehandle);
                   2169:         my %d = scan_directives(@buf);
                   2170:         $ts = $d{tabstop};
                   2171:       }
                   2172:
                   2173:       while (@buf || !eof($filehandle)) {
                   2174:         $_ = @buf ? shift @buf : <$filehandle>;
3.167     scop     2175:         if ($linenumbers) {
                   2176:           $ln++;
                   2177:           printf '<a id="l%d" class="src">%5d: </a>', ($ln) x 2;
3.149     scop     2178:         }
3.200     scop     2179:         print $preformat_in_markup ? spacedHtmlText($_, $ts) : htmlquote($_);
3.148     scop     2180:       }
3.120     scop     2181:     }
3.149     scop     2182:
                   2183:     print "</pre>\n";
3.120     scop     2184:   }
3.131     scop     2185:   html_footer();
3.120     scop     2186: }
                   2187:
3.156     scop     2188:
3.120     scop     2189: sub viewable($)
                   2190: {
3.219     scop     2191:   return shift =~ m{^((text|image)/|application/pdf)}i;
3.156     scop     2192: }
3.120     scop     2193:
3.1       knu      2194:
                   2195: ###############################
                   2196: # Show Colored Diff
                   2197: ###############################
3.120     scop     2198: sub doDiff($$$$$$)
                   2199: {
                   2200:   my ($fullname, $r1, $tr1, $r2, $tr2, $f) = @_;
                   2201:
3.233     scop     2202:   if (forbidden($fullname)) {
                   2203:     fatal('403 Forbidden', 'Access to %s forbidden.', $where);
3.120     scop     2204:   }
                   2205:
3.175     scop     2206:   my ($rev1, $sym1);
3.120     scop     2207:   if ($r1 =~ /([^:]+)(:(.+))?/) {
                   2208:     $rev1 = $1;
                   2209:     $sym1 = $3;
                   2210:   }
                   2211:   if ($r1 eq 'text') {
                   2212:     $rev1 = $tr1;
                   2213:     $sym1 = "";
                   2214:   }
                   2215:
3.175     scop     2216:   my ($rev2, $sym2);
3.120     scop     2217:   if ($r2 =~ /([^:]+)(:(.+))?/) {
                   2218:     $rev2 = $1;
                   2219:     $sym2 = $3;
                   2220:   }
                   2221:   if ($r2 eq 'text') {
                   2222:     $rev2 = $tr2;
                   2223:     $sym2 = "";
                   2224:   }
                   2225:
                   2226:   #
                   2227:   # rev1 and rev2 are now both numeric revisions.
                   2228:   # Thus we do a DWIM here and swap them if rev1 is after rev2.
                   2229:   # XXX should we warn about the fact that we do this?
                   2230:   if (&revcmp($rev1, $rev2) > 0) {
                   2231:     my ($tmp1, $tmp2) = ($rev1, $sym1);
                   2232:     ($rev1, $sym1) = ($rev2, $sym2);
                   2233:     ($rev2, $sym2) = ($tmp1, $tmp2);
                   2234:   }
3.225     scop     2235:
                   2236:   my $mimetype = getMimeType($fullname);
                   2237:
                   2238:   #
                   2239:   #  Check for per-MIME type diff commands.
                   2240:   #
                   2241:   my $diffcmd = undef;
                   2242:   if (my $diffcmds = $DIFF_COMMANDS{lc($mimetype)}) {
                   2243:     if ($f =~ /^ext(\d*)$/) {
                   2244:       my $n = $1 || 0;
                   2245:       $diffcmd = $diffcmds->[$n];
                   2246:     }
                   2247:   }
                   2248:   if ($diffcmd && $diffcmd->{cmd} && $diffcmd->{name}) {
                   2249:
                   2250:     if ($diffcmd->{args} && ref($diffcmd->{args}) ne 'ARRAY') {
                   2251:       fatal('500 Internal Error',
                   2252:             'Configuration error: arguments to external diff tools must ' .
                   2253:             'be given as array refs.  See "<code>%s</code>" in ' .
                   2254:             '<code>%%DIFF_COMMANDS</code>.',
                   2255:             $diffcmd->{name});
                   2256:     }
                   2257:
                   2258:     (my $cvsname = $where) =~ s/\.diff$//;
                   2259:
                   2260:     # Create two temporary files with the two revisions
                   2261:     my $temp_fn1 = checkout_to_temp($cvsroot, $cvsname, $rev1);
                   2262:     my $temp_fn2 = checkout_to_temp($cvsroot, $cvsname, $rev2);
                   2263:
                   2264:     # Execute chosen diff binary.
                   2265:     local (*DIFF_OUT);
                   2266:     my @cmd = ($diffcmd->{cmd});
                   2267:     push(@cmd, @{$diffcmd->{args}}) if $diffcmd->{args};
                   2268:     push(@cmd, $temp_fn1, $temp_fn2);
                   2269:     my ($h, $err) = startproc(\@cmd, \"", '>pipe', \*DIFF_OUT);
                   2270:     if (!$h) {
                   2271:       unlink($temp_fn1);
                   2272:       unlink($temp_fn2);
                   2273:       fatal('500 Internal Error',
                   2274:             'Diff failure (exit status %s), output: <pre>%s</pre>',
                   2275:             $? >> 8 || -1, $err);
                   2276:     }
                   2277:
                   2278:     http_header($diffcmd->{type} || 'text/plain');
                   2279:     local $/ = undef;
                   2280:     print <DIFF_OUT>;
3.229     scop     2281:     $h->finish();
3.225     scop     2282:     unlink($temp_fn1);
                   2283:     unlink($temp_fn2);
                   2284:
                   2285:     exit;
                   2286:   }
                   2287:
                   2288:   #
                   2289:   # Normal CVS diff.
                   2290:   #
                   2291:
                   2292:   $f = $DEFAULTVALUE{f} || 'u' if ($f =~ /^ext\d*$/);
3.120     scop     2293:   my $difftype = $DIFFTYPES{$f};
                   2294:   if (!$difftype) {
                   2295:     fatal("400 Bad arguments", 'Diff format %s not understood', $f);
                   2296:   }
                   2297:
3.254     scop     2298:   my @difftype       = @{$difftype->{opts}};
                   2299:   my $human_readable = $difftype->{colored};
3.120     scop     2300:
4.2       schwarze 2301:   # Apply special diff options.
                   2302:   push @difftype, '-p' if $showfunc;
3.120     scop     2303:
                   2304:   if ($human_readable) {
3.247     scop     2305:     push(@difftype, '-w')  if $hr_ignwhite;
                   2306:     push(@difftype, '-kk') if $hr_ignkeysubst;
3.120     scop     2307:   }
                   2308:
3.175     scop     2309:   my $fh = do { local (*FH); };
3.120     scop     2310:   if (!open($fh, "-|")) {    # child
                   2311:     open(STDERR, ">&STDOUT");    # Redirect stderr to stdout
                   2312:     openOutputFilter();
3.166     scop     2313:     exec($CMD{rcsdiff}, @rcsdiff_options, @difftype, "-r$rev1", "-r$rev2",
                   2314:          $fullname) or exit -1;
3.120     scop     2315:   }
3.166     scop     2316:
3.120     scop     2317:   if ($human_readable) {
3.168     scop     2318:     #
                   2319:     # Human readable diff.
                   2320:     #
                   2321:     human_readable_diff($fh, $rev2);
                   2322:     html_footer();
                   2323:     gzipclose();
                   2324:     exit;
                   2325:
                   2326:   } elsif ($f =~ /^([ucs])c$/) {
                   2327:     #
                   2328:     # Enscript colored diff.
                   2329:     #
                   2330:     my $hl = 'diff';
                   2331:     $hl .= $1 if ($1 eq 'u' || $1 eq 's');
                   2332:     (my $where_nd = $where)       =~ s/\.diff$//;
3.262     scop     2333:     (my $pathname = $where_nd)    =~ s|((?<=/)Attic/)?[^/]*$||;
3.168     scop     2334:     (my $filename = $where_nd)    =~ s|^.*/||;
                   2335:     (my $swhere   = $scriptwhere) =~ s|\.diff$||;
                   2336:     navigateHeader($swhere, $pathname, $filename, $rev2, 'diff');
                   2337:     printf(<<EOF, $where_nd, $rev1, $rev2);
                   2338: <h3 style="text-align: center">Diff for /%s between versions %s and %s</h3>
                   2339: <pre>
                   2340: EOF
3.240     scop     2341:     doEnscript(\$fh, $hl, 0, 'cvsweb_diff');
3.168     scop     2342:     print <<EOF;
                   2343: </pre>
3.208     scop     2344: <hr style="width: 100%" />
3.168     scop     2345: <form method="get" action="$scriptwhere">
                   2346: EOF
                   2347:     printDiffSelectStickyVars();
                   2348:     print 'Diff format: ';
                   2349:     printDiffSelect($use_java_script);
3.208     scop     2350:     print "<input type=\"submit\" value=\"Show\" />\n</form>\n";
3.120     scop     2351:     html_footer();
                   2352:     gzipclose();
                   2353:     exit;
3.168     scop     2354:
3.120     scop     2355:   } else {
3.168     scop     2356:     #
                   2357:     # Plain diff.
                   2358:     #
3.120     scop     2359:     http_header("text/plain");
                   2360:   }
                   2361:
                   2362:   #
                   2363:   #===================================================================
                   2364:   #RCS file: /home/ncvs/src/sys/netinet/tcp_output.c,v
                   2365:   #retrieving revision 1.16
                   2366:   #retrieving revision 1.17
                   2367:   #diff -c -r1.16 -r1.17
                   2368:   #*** /home/ncvs/src/sys/netinet/tcp_output.c     1995/11/03 22:08:08     1.16
                   2369:   #--- /home/ncvs/src/sys/netinet/tcp_output.c     1995/12/05 17:46:35     1.17
                   2370:   #
                   2371:   # Ideas:
                   2372:   # - nuke the stderr output if it's what we expect it to be
                   2373:   # - Add "no differences found" if the diff command supplied no output.
                   2374:   #
                   2375:   #*** src/sys/netinet/tcp_output.c     1995/11/03 22:08:08     1.16
                   2376:   #--- src/sys/netinet/tcp_output.c     1995/12/05 17:46:35     1.17 RELENG_2_1_0
                   2377:   # (bogus example, but...)
                   2378:   #
3.175     scop     2379:   my ($f1, $f2);
3.120     scop     2380:   if (grep { $_ eq '-u' } @difftype) {
                   2381:     $f1 = '---';
                   2382:     $f2 = '\+\+\+';
                   2383:   } else {
                   2384:     $f1 = '\*\*\*';
                   2385:     $f2 = '---';
                   2386:   }
                   2387:
                   2388:   while (<$fh>) {
                   2389:     if (m|^$f1 $cvsroot|o) {
                   2390:       s|$cvsroot/||o;
                   2391:       if ($sym1) {
                   2392:         chop;
                   2393:         $_ .= " $sym1\n";
                   2394:       }
                   2395:     } elsif (m|^$f2 $cvsroot|o) {
                   2396:       s|$cvsroot/||o;
                   2397:
                   2398:       if ($sym2) {
                   2399:         chop;
                   2400:         $_ .= " $sym2\n";
                   2401:       }
                   2402:     }
                   2403:     print $_;
                   2404:   }
                   2405:   close($fh);
1.12      fenner   2406: }
                   2407:
3.175     scop     2408:
3.1       knu      2409: ###############################
                   2410: # Show Logs ..
                   2411: ###############################
3.120     scop     2412: sub getDirLogs($$@)
                   2413: {
                   2414:   my ($cvsroot, $dirname, @otherFiles) = @_;
3.139     scop     2415:   my $tag = $input{only_with_tag};
3.196     scop     2416:   my $DirName = catdir($cvsroot, $where);
3.120     scop     2417:
3.139     scop     2418:   my @files = &safeglob("$DirName/*,v");
3.254     scop     2419:   push (@files, &safeglob("$DirName/Attic/*,v")) unless $input{hideattic};
3.120     scop     2420:   foreach my $file (@otherFiles) {
3.196     scop     2421:     push(@files, catfile($DirName, $file));
3.120     scop     2422:   }
                   2423:
3.150     scop     2424:   # Weed out unreadable files.
                   2425:   my $i = 0;
                   2426:   my @unreadable = ();
                   2427:   while ($i < scalar(@files)) {
3.197     scop     2428:     # Note: last modified files from subdirs returned by
                   2429:     # findLastModifiedSubdirs() come without the ,v suffix so they're not
                   2430:     # found here, but have already been checked for readability.  *cough*
                   2431:     if (-r $files[$i] || !-e _) {
3.150     scop     2432:       $i++;
                   2433:     } else {
                   2434:       push(@unreadable, splice(@files, $i, 1));
                   2435:     }
                   2436:   }
                   2437:
3.139     scop     2438:   # If there are no files, we're done.
3.150     scop     2439:   return @unreadable unless @files;
3.120     scop     2440:
3.139     scop     2441:   my @cmd = ($CMD{rlog});
                   2442:   # Can't use -r<tag> as '-' is allowed in tagnames,
                   2443:   # but misinterpreted by rlog.
                   2444:   push(@cmd, '-r') unless defined($tag);
3.120     scop     2445:
3.139     scop     2446:   my $fh = do { local (*FH); };
3.273     scop     2447:   if (!open($fh, '-|')) {                       # Child
                   2448:     open(STDERR, '>', devnull()) unless $DEBUG; # Ignore rlog's complaints.
3.139     scop     2449:     openOutputFilter();
                   2450:     if ($file_list_len && $file_list_len > 1) {
                   2451:       while (scalar(@files) > $file_list_len) {  # Process files in chunks.
                   2452:         system(@cmd, splice(@files, 0, $file_list_len)) == 0 or exit -1;
                   2453:       }
3.120     scop     2454:     }
3.139     scop     2455:     exec(@cmd, @files) or exit -1;
                   2456:   }
                   2457:   undef @cmd;
3.120     scop     2458:
3.139     scop     2459:   my $state = 'start';
                   2460:   my ($date, $branchpoint, $branch, $log, @filetags);
3.152     scop     2461:   my ($rev, $revision, $revwanted, $filename, $head, $author, $keywordsubst);
3.120     scop     2462:
                   2463:   while (<$fh>) {
                   2464:     if ($state eq "start") {
                   2465:
                   2466:       #Next file. Initialize file variables
                   2467:       $rev         = '';
                   2468:       $revwanted   = '';
                   2469:       $branch      = '';
                   2470:       $branchpoint = '';
                   2471:       $filename    = '';
                   2472:       $log         = '';
                   2473:       $revision    = '';
                   2474:       %symrev      = ();
                   2475:       @filetags    = ();
3.152     scop     2476:       $keywordsubst= '';
3.120     scop     2477:
                   2478:       #jump to head state
                   2479:       $state = "head";
                   2480:     }
3.144     scop     2481:
3.120     scop     2482:     again:
                   2483:
                   2484:     if ($state eq "head") {
                   2485:
                   2486:       #$rcsfile = $1 if (/^RCS file: (.+)$/); #not used (yet)
                   2487:
                   2488:       if (/^Working file: (.+)$/) {
                   2489:         $filename = $1;
                   2490:       } elsif (/^head: (.+)$/) {
                   2491:         $head = $1;
                   2492:       } elsif (/^branch: (.+)$/) {
                   2493:         $branch = $1;
3.152     scop     2494:       } elsif (/^keyword substitution: (.+)$/) {
                   2495:         $keywordsubst = $1;
3.120     scop     2496:       } elsif (/^symbolic names:/) {
                   2497:         $state = "tags";
                   2498:         ($branch = $head) =~ s/\.\d+$//
                   2499:           if $branch eq '';
                   2500:         $branch =~ s/(\d+)$/0.$1/;
                   2501:         $symrev{MAIN}  = $branch;
                   2502:         $symrev{HEAD}  = $branch;
                   2503:         $alltags{MAIN} = 1;
                   2504:         $alltags{HEAD} = 1;
                   2505:         push (@filetags, "MAIN", "HEAD");
3.222     scop     2506:       } elsif ($_ =~ LOG_REVSEPR) {
3.120     scop     2507:         $state = "log";
                   2508:         $rev   = '';
                   2509:         $date  = '';
                   2510:         $log   = '';
                   2511:
                   2512:         # Try to reconstruct the relative filename if RCS spits out a full path
                   2513:         $filename =~ s%^\Q$DirName\E/%%;
                   2514:       }
                   2515:       next;
                   2516:     }
                   2517:
                   2518:     if ($state eq "tags") {
                   2519:       if (/^\s+([^:]+):\s+([\d\.]+)\s*$/) {
                   2520:         push (@filetags, $1);
                   2521:         $symrev{$1}  = $2;
                   2522:         $alltags{$1} = 1;
                   2523:         next;
                   2524:       } elsif (/^\S/) {
                   2525:
                   2526:         if (defined($tag)) {
                   2527:           if (defined($symrev{$tag}) || $tag eq "HEAD") {
                   2528:             $revwanted    = $symrev{$tag eq "HEAD" ? "MAIN" : $tag};
                   2529:             ($branch      = $revwanted) =~ s/\b0\.//;
                   2530:             ($branchpoint = $branch)    =~ s/\.?\d+$//;
                   2531:             $revwanted    = '' if ($revwanted ne $branch);
                   2532:           } elsif ($tag ne "HEAD") {
                   2533:             $state = "skip";
                   2534:             next;
                   2535:           }
                   2536:         }
                   2537:
                   2538:         foreach my $tagfound (@filetags) {
                   2539:           $tags{$tagfound} = 1;
                   2540:         }
                   2541:         $state = "head";
                   2542:         goto again;
                   2543:       }
                   2544:     }
                   2545:
                   2546:     if ($state eq "log") {
3.222     scop     2547:       if ($_ =~ LOG_REVSEPR || $_ =~ LOG_FILESEPR) {
3.120     scop     2548:
                   2549:         # End of a log entry.
                   2550:         my $revbranch = $rev;
                   2551:         $revbranch =~ s/\.\d+$//;
                   2552:
                   2553:         if ($revwanted eq '' && $branch ne '' && $branch eq $revbranch
                   2554:             || !defined($tag))
                   2555:         {
                   2556:           $revwanted = $rev;
                   2557:         }
                   2558:
                   2559:         if ($revwanted ne ''
                   2560:             ? $rev eq $revwanted
                   2561:             : $branchpoint ne ''
                   2562:               ? $rev eq $branchpoint
                   2563:               : 0
                   2564:             && ($rev eq $head))
                   2565:         {    # Don't think head is needed here..
3.152     scop     2566:           my @finfo = ($rev, $date, $log, $author, $filename, $keywordsubst);
                   2567:           (my $name = $filename) =~ s%/.*%%;
3.120     scop     2568:           $fileinfo{$name} = [@finfo];
                   2569:           $state = "done" if ($rev eq $revwanted);
                   2570:         }
                   2571:         $rev  = '';
                   2572:         $date = '';
                   2573:         $log  = '';
                   2574:       } elsif ($date eq ''
                   2575:                && m|^date:\s+(\d+)/(\d+)/(\d+)\s+(\d+):(\d+):(\d+);|)
                   2576:       {
3.172     scop     2577:         my $yr    = $1;
                   2578:         $yr      -= 1900 if ($yr > 100); # Damn 2-digit year routines :-)
                   2579:         $date     = timegm($6, $5, $4, $3, $2 - 1, $yr);
3.120     scop     2580:         ($author) = /author: ([^;]+)/;
3.172     scop     2581:         $state    = 'log';
                   2582:         $log      = '';
3.120     scop     2583:         next;
                   2584:       } elsif ($rev eq '' && /^revision (\d+(?:\.\d+)+).*$/) {
                   2585:         $rev = $1;    # .*$ eats up the locker(lockers?) info, if any
                   2586:         next;
                   2587:       } else {
                   2588:         $log .= $_;
                   2589:       }
                   2590:     }
                   2591:
3.222     scop     2592:     if ($_ =~ LOG_FILESEPR) {
3.120     scop     2593:       $state = "start";
                   2594:       next;
                   2595:     }
                   2596:   }
                   2597:
3.139     scop     2598:   my $linesread = $. || 0;
                   2599:   close($fh);
                   2600:
                   2601:   if ($linesread == 0) {
3.137     scop     2602:     fatal('500 Internal Error',
3.230     scop     2603:           'Failed to spawn GNU rlog on <em>"%s"</em>.<br /><br />Did you set the <b><code>@command_path</code></b> in your configuration file correctly? (Currently: "<code>%s</code>")',
                   2604:           htmlquote(join(', ', @files)), join(':', @command_path));
3.120     scop     2605:   }
3.150     scop     2606:
                   2607:   return @unreadable;
3.120     scop     2608: }
                   2609:
3.175     scop     2610:
3.120     scop     2611: sub readLog($;$)
                   2612: {
                   2613:   my ($fullname, $revision) = @_;
                   2614:   my ($symnames, $head, $rev, $br, $brp, $branch, $branchrev);
                   2615:
                   2616:   undef %symrev;
                   2617:   undef %revsym;
                   2618:   undef @allrevisions;
                   2619:   undef %date;
                   2620:   undef %author;
                   2621:   undef %state;
                   2622:   undef %difflines;
                   2623:   undef %log;
3.152     scop     2624:   $keywordsubstitution = '';
3.120     scop     2625:
3.175     scop     2626:   my $fh = do { local (*FH); };
3.120     scop     2627:   if (!open($fh, "-|")) {    # child
3.275     scop     2628:     openOutputFilter();
                   2629:     $revision = defined($revision) ? "-r$revision" : '';
                   2630:     if ($revision =~ /\./) {
                   2631:       # Normal revision, not a branch/tag name.
3.120     scop     2632:       exec($CMD{rlog}, $revision, $fullname) or exit -1;
                   2633:     } else {
                   2634:       exec($CMD{rlog}, $fullname) or exit -1;
                   2635:     }
                   2636:   }
                   2637:
3.217     scop     2638:   my $curbranch = undef;
3.120     scop     2639:   while (<$fh>) {
                   2640:     if ($symnames) {
                   2641:       if (/^\s+([^:]+):\s+([\d\.]+)/) {
                   2642:         $symrev{$1} = $2;
3.152     scop     2643:         next;
3.120     scop     2644:       } else {
                   2645:         $symnames = 0;
                   2646:       }
3.152     scop     2647:     }
                   2648:     if (/^head:\s+([\d\.]+)/) {
3.120     scop     2649:       $head = $1;
                   2650:     } elsif (/^branch:\s+([\d\.]+)/) {
                   2651:       $curbranch = $1;
                   2652:     } elsif (/^symbolic names/) {
                   2653:       $symnames = 1;
3.152     scop     2654:     } elsif (/^keyword substitution: (.+)$/) {
                   2655:       $keywordsubstitution = $1;
3.120     scop     2656:     } elsif (/^-----/) {
                   2657:       last;
                   2658:     }
                   2659:   }
                   2660:   ($curbranch = $head) =~ s/\.\d+$// if (!defined($curbranch));
                   2661:
                   2662:   # each log entry is of the form:
                   2663:   # ----------------------------
                   2664:   # revision 3.7.1.1
                   2665:   # date: 1995/11/29 22:15:52;  author: fenner;  state: Exp;  lines: +5 -3
                   2666:   # log info
                   2667:   # ----------------------------
                   2668:
                   2669:   # For a locked revision, the first line after the separator
                   2670:   # becomes smth like
3.149     scop     2671:   # revision 9.19       locked by: vassilii;
3.120     scop     2672:
                   2673:   logentry:
                   2674:
3.222     scop     2675:   while ($_ !~ LOG_FILESEPR) {
3.120     scop     2676:     $_ = <$fh>;
                   2677:     last logentry if (!defined($_));    # EOF
                   2678:     if (/^revision (\d+(?:\.\d+)+)/) {
                   2679:       $rev = $1;
3.261     scop     2680:       unshift(@allrevisions, $rev);
3.222     scop     2681:     } elsif ($_ =~ LOG_FILESEPR || $_ =~ LOG_REVSEPR) {
3.120     scop     2682:       next logentry;
                   2683:     } else {
                   2684:
                   2685:       # The rlog output is syntactically ambiguous.  We must
                   2686:       # have guessed wrong about where the end of the last log
                   2687:       # message was.
                   2688:       # Since this is likely to happen when people put rlog output
                   2689:       # in their commit messages, don't even bother keeping
                   2690:       # these lines since we don't know what revision they go with
                   2691:       # any more.
                   2692:       next logentry;
                   2693:     }
                   2694:     $_ = <$fh>;
                   2695:     if (
                   2696:       m|^date:\s+(\d+)/(\d+)/(\d+)\s+(\d+):(\d+):(\d+);\s+author:\s+(\S+);\s+state:\s+(\S+);\s+(lines:\s+([0-9\s+-]+))?|
                   2697:       )
                   2698:     {
3.172     scop     2699:       my $yr           = $1;
                   2700:       $yr             -= 1900 if ($yr > 100); # Damn 2-digit year routines :-)
                   2701:       $date{$rev}      = timegm($6, $5, $4, $3, $2 - 1, $yr);
3.120     scop     2702:       $author{$rev}    = $7;
                   2703:       $state{$rev}     = $8;
                   2704:       $difflines{$rev} = $10;
                   2705:     } else {
                   2706:       fatal("500 Internal Error", 'Error parsing RCS output: %s', $_);
                   2707:     }
                   2708:
                   2709:   line:
                   2710:     while (<$fh>) {
                   2711:       next line if (/^branches:\s/);
3.222     scop     2712:       last line if ($_ =~ LOG_FILESEPR || $_ =~ LOG_REVSEPR);
3.120     scop     2713:       $log{$rev} .= $_;
                   2714:     }
                   2715:   }
                   2716:   close($fh);
                   2717:
                   2718:   @revorder = reverse sort { revcmp($a, $b) } @allrevisions;
                   2719:
                   2720:   #
                   2721:   # HEAD is an artificial tag which is simply the highest tag number on the main
                   2722:   # branch, unless there is a branch tag in the RCS file in which case it's the
                   2723:   # highest revision on that branch.  Find it by looking through @revorder; it
                   2724:   # is the first commit listed on the appropriate branch.
                   2725:   # This is not neccesary the same revision as marked as head in the RCS file.
                   2726:   my $headrev = $curbranch || "1";
3.254     scop     2727:   ($symrev{MAIN} = $headrev) =~ s/(\d+)$/0.$1/;
3.120     scop     2728:
                   2729:   foreach $rev (@revorder) {
                   2730:     if ($rev =~ /^(\S*)\.\d+$/ && $headrev eq $1) {
3.254     scop     2731:       $symrev{HEAD} = $rev;
3.120     scop     2732:       last;
                   2733:     }
                   2734:   }
3.254     scop     2735:   ($symrev{HEAD} = $headrev) =~ s/\.\d+$// unless defined($symrev{HEAD});
3.120     scop     2736:
                   2737:   #
                   2738:   # Now that we know all of the revision numbers, we can associate
                   2739:   # absolute revision numbers with all of the symbolic names, and
                   2740:   # pass them to the form so that the same association doesn't have
                   2741:   # to be built then.
                   2742:   #
                   2743:   undef @branchnames;
                   2744:   undef %branchpoint;
                   2745:   undef $sel;
                   2746:
                   2747:   foreach (reverse sort keys %symrev) {
                   2748:     $rev = $symrev{$_};
                   2749:     if ($rev =~ /^((.*)\.)?\b0\.(\d+)$/) {
                   2750:       push (@branchnames, $_);
                   2751:
                   2752:       #
                   2753:       # A revision number of A.B.0.D really translates into
                   2754:       # "the highest current revision on branch A.B.D".
                   2755:       #
                   2756:       # If there is no branch A.B.D, then it translates into
                   2757:       # the head A.B .
                   2758:       #
                   2759:       # This reasoning also applies to the main branch A.B,
                   2760:       # with the branch number 0.A, with the exception that
                   2761:       # it has no head to translate to if there is nothing on
                   2762:       # the branch, but I guess this can never happen?
                   2763:       #
                   2764:       # (the code below gracefully forgets about the branch
                   2765:       # if it should happen)
                   2766:       #
                   2767:       $head = defined($2) ? $2 : "";
                   2768:       $branch = $3;
                   2769:       $branchrev = $head . ($head ne "" ? "." : "") . $branch;
3.222     scop     2770:       $rev = $head;
                   2771:
                   2772:       my $regex = '^' . quotemeta($branchrev) . '\b';
                   2773:       $regex = qr/$regex/;
3.120     scop     2774:
                   2775:       foreach my $r (@revorder) {
3.222     scop     2776:         if ($r =~ $regex) {
3.120     scop     2777:           $rev = $branchrev;
                   2778:           last;
                   2779:         }
                   2780:       }
                   2781:       next if ($rev eq "");
                   2782:
                   2783:       if ($rev ne $head && $head ne "") {
3.131     scop     2784:         $branchpoint{$head} .= ', ' if ($branchpoint{$head});
3.120     scop     2785:         $branchpoint{$head} .= $_;
                   2786:       }
                   2787:     }
                   2788:     $revsym{$rev} .= ", " if ($revsym{$rev});
                   2789:     $revsym{$rev} .= $_;
3.136     scop     2790:     $sel .= sprintf("<option value=\"%s:%s\">%s</option>\n",
                   2791:                     htmlquote($rev), (htmlquote($_)) x 2);
3.120     scop     2792:   }
                   2793:
                   2794:   my ($onlyonbranch, $onlybranchpoint);
3.254     scop     2795:   if ($onlyonbranch = $input{only_with_tag}) {
3.120     scop     2796:     $onlyonbranch = $symrev{$onlyonbranch};
3.275     scop     2797:     if ($onlyonbranch && $onlyonbranch =~ s/\b0\.//) {
3.120     scop     2798:       ($onlybranchpoint = $onlyonbranch) =~ s/\.\d+$//;
                   2799:     } else {
                   2800:       $onlybranchpoint = $onlyonbranch;
                   2801:     }
                   2802:
                   2803:     if (!defined($onlyonbranch) || $onlybranchpoint eq "") {
3.275     scop     2804:       fatal("404 Tag not found", 'Tag "<code>%s</code>" is not defined.',
3.254     scop     2805:             $input{only_with_tag});
3.120     scop     2806:     }
                   2807:   }
                   2808:
                   2809:   undef @revisions;
                   2810:
                   2811:   foreach (@allrevisions) {
                   2812:     ($br  = $_)  =~ s/\.\d+$//;
                   2813:     ($brp = $br) =~ s/\.\d+$//;
                   2814:     next if ($onlyonbranch
                   2815:              && $br ne $onlyonbranch
                   2816:              && $_  ne $onlybranchpoint);
3.261     scop     2817:     unshift(@revisions, $_);
3.120     scop     2818:   }
                   2819:
                   2820:   if ($logsort eq "date") {
                   2821:
                   2822:     # Sort the revisions in commit order an secondary sort on revision
                   2823:     # (secondary sort needed for imported sources, or the first main
                   2824:     # revision gets before the same revision on the 1.1.1 branch)
                   2825:     @revdisplayorder =
                   2826:       sort { $date{$b} <=> $date{$a} || -revcmp($a, $b) } @revisions;
                   2827:   } elsif ($logsort eq "rev") {
                   2828:
                   2829:     # Sort the revisions in revision order, highest first
                   2830:     @revdisplayorder = reverse sort { revcmp($a, $b) } @revisions;
                   2831:   } else {
                   2832:
                   2833:     # No sorting. Present in the same order as rlog / cvs log
                   2834:     @revdisplayorder = @revisions;
                   2835:   }
                   2836:
3.217     scop     2837:   return $curbranch;
3.120     scop     2838: }
                   2839:
3.175     scop     2840:
3.225     scop     2841: sub getDiffLinks($$$)
3.120     scop     2842: {
3.225     scop     2843:   my ($url, $mimetype, $isbin) = @_;
                   2844:
                   2845:   my @links = ();
                   2846:   if (!$isbin) { # Offer ordinary diff only for non-binary files.
                   2847:     push(@links, &link('preferred', $url));
                   2848:     for my $difftype ($DIFFTYPES{$defaultDiffType}{colored} ? qw(u) : qw(h)) {
                   2849:       my $f = $difftype eq $defaultDiffType ? '' : $difftype;
                   2850:       push(@links,
                   2851:            &link(htmlquote(lc($DIFFTYPES{$difftype}{descr})), "$url;f=$f"));
                   2852:     }
                   2853:   }
                   2854:   if (my $extdiffs = $DIFF_COMMANDS{lc($mimetype)}) {
                   2855:     for my $i (0 .. scalar(@$extdiffs)-1) {
                   2856:       my $extdiff = $extdiffs->[$i];
                   2857:       push(@links, &link(htmlquote($extdiff->{name}), "$url;f=ext$i"))
                   2858:         if ($extdiff->{cmd} && $extdiff->{name});
                   2859:     }
3.120     scop     2860:   }
3.225     scop     2861:   return @links;
3.120     scop     2862: }
                   2863:
3.175     scop     2864:
3.219     scop     2865: sub printLog($$$;$$)
3.120     scop     2866: {
3.219     scop     2867:   # inlogview: 1 if in log view, otherwise in markup view.
                   2868:   ($_, my $mimetype, my $isbin, my $inlogview, my $isSelected) = @_;
3.175     scop     2869:   (my $br  = $_)  =~ s/\.\d+$//;
                   2870:   (my $brp = $br) =~ s/\.?\d+$//;
3.120     scop     2871:
3.219     scop     2872:   print "<a name=\"rev$_\"></a>";
                   2873:   if (defined($revsym{$_})) {
3.261     scop     2874:     foreach my $sym (split(", ", $revsym{$_})) {
3.271     scop     2875:       print '<a name="', htmlquote($sym), '"></a>';
3.120     scop     2876:     }
3.219     scop     2877:   }
                   2878:   if ($revsym{$br} && !defined($nameprinted{$br})) {
3.261     scop     2879:     foreach my $sym (split(", ", $revsym{$br})) {
3.271     scop     2880:       print '<a name="', htmlquote($sym), '"></a>';
3.120     scop     2881:     }
3.219     scop     2882:     $nameprinted{$br} = 1;
                   2883:   }
3.120     scop     2884:
3.271     scop     2885:   print "\n Revision <b>$_</b>";
3.219     scop     2886:   if (/^1\.1\.1\.\d+$/) {
                   2887:     print " <i>(vendor branch)</i>";
                   2888:   }
3.261     scop     2889:
3.271     scop     2890:   (my $filename = $where) =~ s|^.*/||;
                   2891:   my $fileurl   = uri_escape($filename);
                   2892:   undef $filename;
                   2893:
3.261     scop     2894:   my $isDead = ($state{$_} eq 'dead');
3.219     scop     2895:   if (!$isDead) {
3.261     scop     2896:
3.220     scop     2897:     print ': ', download_link($fileurl, $_, 'download', $mimetype);
3.219     scop     2898:
                   2899:     my @vlinks = ();
                   2900:     push(@vlinks, display_link($fileurl, $_, 'text', 'text/plain'))
                   2901:       unless $isbin;
                   2902:     push(@vlinks, display_link($fileurl, $_, 'markup', 'text/x-cvsweb-markup'))
                   2903:       if ($allow_markup && $inlogview && (!$isbin || viewable($mimetype)));
3.268     scop     2904:     if (!$isbin && $allow_annotate) {
3.219     scop     2905:       push(@vlinks,
                   2906:            &link('annotated',
3.271     scop     2907:                  sprintf('%s?annotate=%s%s', $fileurl, $_, $barequery)));
3.219     scop     2908:     }
                   2909:     print ' - view: ', join(', ', @vlinks) if @vlinks;
                   2910:     undef @vlinks;
                   2911:
3.243     scop     2912:     if (!$isbin && $allow_version_select) {
                   2913:       print ' - ';
                   2914:       if ($isSelected) {
                   2915:         print '<b>[selected&nbsp;for&nbsp;diffs]</b>';
                   2916:       } else {
                   2917:         print &link('select&nbsp;for&nbsp;diffs',
                   2918:                     sprintf('%s?r1=%s%s#rev%s',
3.271     scop     2919:                             $fileurl, $_, $barequery, $_));
3.120     scop     2920:       }
                   2921:     }
3.243     scop     2922:     print ' - ', graph_link('', 'revision graph')
                   2923:       if (!$inlogview && $allow_cvsgraph);
3.120     scop     2924:   }
3.219     scop     2925:   print "<br />\n";
3.120     scop     2926:
3.219     scop     2927:   print '<i>';
4.3       schwarze 2928:   if (@mytz) {
3.120     scop     2929:     my ($est) = $mytz[(localtime($date{$_}))[8]];
3.219     scop     2930:     print scalar localtime($date{$_}), " $est</i> (";
3.120     scop     2931:   } else {
3.219     scop     2932:     print scalar gmtime($date{$_}), " UTC</i> (";
3.120     scop     2933:   }
3.136     scop     2934:   print readableTime(time() - $date{$_}, 1), ' ago)';
3.208     scop     2935:   print ' by <i>', htmlquote($author{$_}), "</i><br />\n";
3.136     scop     2936:
3.243     scop     2937:   printf("Branches: %s<br />\n", link_tags($revsym{$br})) if $revsym{$br};
                   2938:   printf("CVS tags: %s<br />\n", link_tags($revsym{$_}))  if $revsym{$_};
                   2939:   printf("Branch point for: %s<br />\n", link_tags($branchpoint{$_}))
                   2940:     if $branchpoint{$_};
3.120     scop     2941:
                   2942:   # Find the previous revision
3.175     scop     2943:   my $prev;
3.261     scop     2944:   my @prevrev = split(/\./, $_);
3.120     scop     2945:   do {
                   2946:     if (--$prevrev[$#prevrev] <= 0) {
                   2947:
                   2948:       # If it was X.Y.Z.1, just make it X.Y
                   2949:       pop (@prevrev);
                   2950:       pop (@prevrev);
                   2951:     }
                   2952:     $prev = join (".", @prevrev);
                   2953:   } until (defined($date{$prev}) || $prev eq "");
                   2954:
                   2955:   if ($isDead) {
3.219     scop     2956:     print "<b><i>FILE REMOVED</i></b><br />\n";
3.243     scop     2957:   } else {
3.120     scop     2958:     my %diffrev = ();
                   2959:     $diffrev{$_} = 1;
                   2960:     $diffrev{""} = 1;
3.293     scop     2961:     my $diff = 'Diff to:';
3.219     scop     2962:     my $printed = 0;
3.120     scop     2963:
                   2964:     #
                   2965:     # Offer diff to previous revision
                   2966:     if ($prev) {
                   2967:       $diffrev{$prev} = 1;
                   2968:       my $url =
3.271     scop     2969:         sprintf('%s.diff?r1=%s;r2=%s%s', $fileurl, $prev, $_, $barequery);
3.225     scop     2970:       if (my @dlinks = getDiffLinks($url, $mimetype, $isbin)) {
3.293     scop     2971:         print $diff, ' previous ', $prev, ': ', join(', ', @dlinks);
                   2972:         $diff = ';'; $printed = 1;
3.225     scop     2973:       }
3.120     scop     2974:     }
                   2975:
                   2976:     #
                   2977:     # Plus, if it's on a branch, and it's not a vendor branch,
                   2978:     # offer a diff with the branch point.
                   2979:     if ($revsym{$brp}
                   2980:       && !/^1\.1\.1\.\d+$/
                   2981:       && !defined($diffrev{$brp}))
                   2982:     {
                   2983:       my $url =
3.271     scop     2984:         sprintf('%s.diff?r1=%s;r2=%s%s', $fileurl, $brp, $_, $barequery);
3.225     scop     2985:       if (my @dlinks = getDiffLinks($url, $mimetype, $isbin)) {
3.293     scop     2986:         print $diff, ' branchpoint ', $brp, ': ', join(', ', @dlinks);
                   2987:         $diff = ';'; $printed = 1;
3.225     scop     2988:       }
3.120     scop     2989:     }
                   2990:
                   2991:     #
                   2992:     # Plus, if it's on a branch, and it's not a vendor branch,
                   2993:     # offer to diff with the next revision of the higher branch.
                   2994:     # (e.g. change gets committed and then brought
                   2995:     # over to -stable)
                   2996:     if (/^\d+\.\d+\.\d+/ && !/^1\.1\.1\.\d+$/) {
                   2997:       my ($i, $nextmain);
                   2998:
                   2999:       for ($i = 0; $i < $#revorder && $revorder[$i] ne $_; $i++) {
                   3000:       }
3.261     scop     3001:       my @tmp2 = split(/\./, $_);
3.120     scop     3002:       for ($nextmain = ""; $i > 0; $i--) {
                   3003:         my $next = $revorder[$i - 1];
3.261     scop     3004:         my @tmp1 = split(/\./, $next);
3.120     scop     3005:
                   3006:         if (@tmp1 < @tmp2) {
                   3007:           $nextmain = $next;
                   3008:           last;
                   3009:         }
                   3010:
                   3011:         # Only the highest version on a branch should have
3.293     scop     3012:         # a diff for the "next MAIN".
3.120     scop     3013:         last
                   3014:           if (@tmp1 - 1 <= @tmp2
                   3015:           && join (".", @tmp1[0 .. $#tmp1 - 1]) eq
                   3016:           join (".", @tmp2[0 .. $#tmp1 - 1]));
                   3017:       }
                   3018:
                   3019:       if (!defined($diffrev{$nextmain})) {
                   3020:         $diffrev{$nextmain} = 1;
3.203     scop     3021:         my $url = sprintf('%s.diff?r1=%s;r2=%s%s',
3.271     scop     3022:           $fileurl, $nextmain, $_, $barequery);
3.225     scop     3023:         if (my @dlinks = getDiffLinks($url, $mimetype, $isbin)) {
3.293     scop     3024:           print $diff, ' next MAIN ', $nextmain, ': ', join(', ', @dlinks);
                   3025:           $diff = ';'; $printed = 1;
3.225     scop     3026:         }
3.120     scop     3027:       }
                   3028:     }
                   3029:
                   3030:     # Plus if user has selected only r1, then present a link
                   3031:     # to make a diff to that revision
3.254     scop     3032:     if (defined($input{r1}) && !defined($diffrev{$input{r1}})) {
                   3033:       $diffrev{$input{r1}} = 1;
3.203     scop     3034:       my $url = sprintf('%s.diff?r1=%s;r2=%s%s',
3.271     scop     3035:         $fileurl, $input{r1}, $_, $barequery);
3.225     scop     3036:       if (my @dlinks = getDiffLinks($url, $mimetype, $isbin)) {
3.293     scop     3037:         print $diff, ' selected ', $input{r1}, ': ', join(', ', @dlinks);
                   3038:         $diff = ';'; $printed = 1;
3.225     scop     3039:       }
3.120     scop     3040:     }
                   3041:
3.219     scop     3042:     print "<br />\n" if $printed;
                   3043:   }
                   3044:
                   3045:   if ($prev ne "" && $difflines{$_}) {
                   3046:     printf "Changes since revision %s: %s lines<br />\n",
                   3047:       htmlquote($prev), htmlquote($difflines{$_});
3.120     scop     3048:   }
3.189     scop     3049:
3.219     scop     3050:   print "<pre class=\"log\">\n";
3.120     scop     3051:   print &htmlify($log{$_}, $allow_log_extra);
                   3052:   print "</pre>\n";
                   3053: }
                   3054:
3.175     scop     3055:
3.132     scop     3056: #
                   3057: # Generates the HTML view for CvsGraph.
                   3058: #
3.170     scop     3059: sub doGraphView()
3.132     scop     3060: {
                   3061:   (my $pathname = $where) =~ s|[^/]*$||;
                   3062:   (my $filename = $where) =~ s|^.*/||;
                   3063:
3.170     scop     3064:   navigateHeader($scriptwhere, $pathname, $filename, undef, 'graph');
3.132     scop     3065:
3.146     scop     3066:   my $title = 'Revision graph of ' . htmlquote($pathname . $filename);
3.132     scop     3067:   my $mapname = 'CvsGraphMap';
                   3068:
3.170     scop     3069:   printf(<<EOF, $title, $mapname, $cvstree, $title);
3.146     scop     3070: <h3 style="text-align: center">%s</h3>
3.219     scop     3071: <div style="text-align: center"><img border="0" usemap="#%s" src="?cvsroot=%s;graph=1;makeimage=1" alt="%s" />
3.146     scop     3072: EOF
3.132     scop     3073:
3.255     scop     3074:   # Remove any pre-existing tag/branch names from branch links.
3.271     scop     3075:   (my $notag_query = $barequery) =~ s/;+only_with_tag=.*?(?=;|$)//g;
3.255     scop     3076:
3.135     scop     3077:   my @graph_cmd =
                   3078:     ($CMD{cvsgraph},
                   3079:      '-r', $cvsroot,
3.249     scop     3080:      '-m', $pathname,
3.135     scop     3081:      '-i',
                   3082:      '-M', $mapname,
3.208     scop     3083:      '-x', 'x',
3.271     scop     3084:      "-Omap_branch_href=\"href=\\\"./?only_with_tag=%(%t%)$notag_query\\\"\"",
                   3085:      "-Omap_rev_href=\"href=\\\"?rev=%(%R%)$barequery\\\"\"",
3.146     scop     3086:      "-Omap_diff_href=\"href=\\\"%(%F%).diff" .
3.271     scop     3087:      "?r1=%(%P%);r2=%(%R%)$barequery\\\"\"",
3.135     scop     3088:      );
3.132     scop     3089:   push(@graph_cmd, '-c', $cvsgraph_config) if $cvsgraph_config;
3.249     scop     3090:   push(@graph_cmd, $filename . ',v');
3.132     scop     3091:
3.174     scop     3092:   local *CVSGRAPH_OUT;
                   3093:   my ($h, $err) =
3.229     scop     3094:     startproc(\@graph_cmd, \"", '>pipe', \*CVSGRAPH_OUT);
3.174     scop     3095:   fatal('500 Internal Error', $err) unless $h;
3.242     scop     3096:
                   3097:   # Browser compatibility kludge: many browsers do not support client side
                   3098:   # image maps where the <map> element contains only the id attribute.  Let's
                   3099:   # add the corresponding name attribute to it on the fly.
                   3100:   while (<CVSGRAPH_OUT>) {
                   3101:     s/(<map\s+id="([^"]+)")\s*>/$1 name="$2">/;
                   3102:     print;
3.132     scop     3103:   }
3.242     scop     3104:
3.229     scop     3105:   $h->finish();
3.219     scop     3106:   print "</div>\n";
3.132     scop     3107:
                   3108:   html_footer();
                   3109: }
                   3110:
3.175     scop     3111:
3.132     scop     3112: #
                   3113: # Generates a graph using CvsGraph.
                   3114: #
3.170     scop     3115: sub doGraph()
3.132     scop     3116: {
                   3117:   (my $pathname = $where) =~ s|[^/]*$||;
                   3118:   (my $filename = $where) =~ s|^.*/||;
                   3119:
                   3120:   http_header('image/png');
                   3121:
3.249     scop     3122:   my @graph_cmd = ($CMD{cvsgraph}, '-r', $cvsroot, '-m', $pathname);
3.132     scop     3123:   push(@graph_cmd, '-c', $cvsgraph_config) if $cvsgraph_config;
3.249     scop     3124:   push(@graph_cmd, $filename . ',v');
3.132     scop     3125:
3.174     scop     3126:   local *CVSGRAPH_OUT;
                   3127:   my ($h, $err) =
3.229     scop     3128:     startproc(\@graph_cmd, \"", '>pipe', \*CVSGRAPH_OUT);
3.174     scop     3129:   fatal('500 Internal Error', $err) unless $h;
3.132     scop     3130:   {
                   3131:     local $/ = undef;
                   3132:     binmode(\*STDOUT);
3.174     scop     3133:     print <CVSGRAPH_OUT>;
3.132     scop     3134:   }
3.229     scop     3135:   $h->finish();
3.132     scop     3136: }
                   3137:
                   3138:
3.120     scop     3139: sub doLog($)
                   3140: {
                   3141:   my ($fullname) = @_;
                   3142:
3.217     scop     3143:   my $curbranch = readLog($fullname);
3.120     scop     3144:
                   3145:   html_header("CVS log for $where");
3.144     scop     3146:
3.271     scop     3147:   my $upwhere = $where;
3.144     scop     3148:   (my $filename = $where) =~ s|^.*/||;
3.271     scop     3149:   my $backurl = "./$query#" . uri_escape($filename);
                   3150:   if ($where =~ m|^(.*?)((?<=/)Attic/)?[^/]+$|) {
                   3151:     $upwhere = $1;
                   3152:     $backurl = ".$backurl" if $2; # skip over Attic
                   3153:   }
3.144     scop     3154:
3.219     scop     3155:   my $isbin = $keywordsubstitution =~ /b/;
                   3156:   my $mimetype = getMimeType($filename, $isbin);
                   3157:
3.120     scop     3158:   print "<p>\n ";
3.271     scop     3159:   print &link($backicon, $backurl), " <b>Up to ",
3.120     scop     3160:     &clickablePath($upwhere, 1), "</b>\n</p>\n";
                   3161:   print "<p>\n ";
                   3162:   print &link('Request diff between arbitrary revisions', '#diff');
3.268     scop     3163:   print ' - ', &graph_link('', 'Display revisions graphically')
                   3164:     if $allow_cvsgraph;
3.258     scop     3165:   if ($cvshistory_url) {
                   3166:     (my $d = $upwhere) =~ s|/+$||;
                   3167:     print ' - ', history_link($d, $filename);
                   3168:   }
3.208     scop     3169:   print "\n</p>\n<hr />\n";
3.120     scop     3170:
                   3171:   print "<p>\n";
3.152     scop     3172:
3.219     scop     3173:   my $explain = $isbin ? ' (i.e.: CVS considers this a binary file)' : '';
3.208     scop     3174:   print "Keyword substitution: $keywordsubstitution$explain<br />\n";
3.217     scop     3175:   if ($curbranch) {
                   3176:     print "Default branch: ", ($revsym{$curbranch} || $curbranch);
                   3177:   } else {
                   3178:     print "No default branch";
                   3179:   }
3.208     scop     3180:   print "<br />\n";
3.120     scop     3181:
3.208     scop     3182:   print 'Current tag: ', htmlquote($input{only_with_tag}), "<br />\n"
3.153     scop     3183:     if $input{only_with_tag};
3.120     scop     3184:   print "</p>\n";
                   3185:
                   3186:   undef %nameprinted;
                   3187:
3.182     scop     3188:   for my $r (@revdisplayorder) {
3.208     scop     3189:     print "<hr />\n";
3.182     scop     3190:     my $sel = (defined($input{r1}) && $input{r1} eq $r);
                   3191:     print "<div class=\"diff-selected\">\n" if $sel;
3.219     scop     3192:     printLog($r, $mimetype, $isbin, 1, $sel);
3.182     scop     3193:     print "</div>\n" if $sel;
3.120     scop     3194:   }
                   3195:
3.144     scop     3196:   printf(<<EOF, $scriptwhere);
3.208     scop     3197: <hr />
                   3198: <form method="get" action="%s.diff" id="diff_select">
3.189     scop     3199: <fieldset>
                   3200: <legend>Diff request</legend>
3.144     scop     3201: <p>
                   3202:  <a name="diff">
3.189     scop     3203:   This form allows you to request diffs between any two revisions of a file.
3.144     scop     3204:   You may select a symbolic revision name using the selection box or you may
                   3205:   type in a numeric name using the type-in text box.
                   3206:  </a>
                   3207: </p>
                   3208: EOF
3.120     scop     3209:
                   3210:   foreach (@stickyvars) {
3.208     scop     3211:     printf("<input type=\"hidden\" name=\"%s\" value=\"%s\" />\n",
3.154     scop     3212:            $_, htmlquote($input{$_}))
3.194     scop     3213:       if (defined($input{$_}) &&
                   3214:           (!defined($DEFAULTVALUE{$_}) || $input{$_} ne $DEFAULTVALUE{$_}));
3.120     scop     3215:   }
3.144     scop     3216:
                   3217:   print <<EOF;
3.189     scop     3218: <table summary="Diff between arbitrary revisions">
3.144     scop     3219: <tr>
3.189     scop     3220: <td class="opt-label">
                   3221: <label for="r1" accesskey="1">Diffs between</label>
                   3222: </td>
                   3223: <td class="opt-value">
3.144     scop     3224: <select id="r1" name="r1">
3.208     scop     3225: <option value="text" selected="selected">Use Text Field</option>
3.144     scop     3226: EOF
                   3227:   print $sel, "</select>\n";
                   3228:
                   3229:   my $diffrev = defined($input{r1}) ?
                   3230:     $input{r1} : $revdisplayorder[$#revdisplayorder];
                   3231:
                   3232:   printf(<<EOF, $inputTextSize, $diffrev);
3.208     scop     3233: <input type="text" size="%s" name="tr1" value="%s" onchange="this.form.r1.selectedIndex=0" />
3.144     scop     3234: </td>
3.189     scop     3235: <td></td>
                   3236: </tr>
                   3237: <tr>
                   3238: <td class="opt-label">
                   3239: <label for="r2" accesskey="2">and</label>
                   3240: </td>
                   3241: <td class="opt-value">
3.144     scop     3242: <select id="r2" name="r2">
3.208     scop     3243: <option value="text" selected="selected">Use Text Field</option>
3.144     scop     3244: EOF
                   3245:   print $sel, "</select>\n";
                   3246:
                   3247:   $diffrev = defined($input{r2}) ? $input{r2} : $revdisplayorder[0];
                   3248:
                   3249:   printf(<<EOF, $inputTextSize, $diffrev, $scriptwhere);
3.208     scop     3250: <input type="text" size="%s" name="tr2" value="%s" onchange="this.form.r2.selectedIndex=0" />
3.144     scop     3251: </td>
3.208     scop     3252: <td><input type="submit" value="Get Diffs" accesskey="G" /></td>
3.144     scop     3253: </tr>
                   3254: </table>
3.189     scop     3255: </fieldset>
3.144     scop     3256: </form>
                   3257: <form method="get" action="%s">
3.189     scop     3258: <fieldset>
                   3259: <legend>Log view options</legend>
                   3260: <table summary="Log view options">
3.144     scop     3261: <tr>
3.189     scop     3262: <td class="opt-label">
                   3263: <label for="f" accesskey="D">Preferred diff type:</label>
                   3264: </td>
                   3265: <td class="opt-value">
3.144     scop     3266: EOF
3.120     scop     3267:   printDiffSelect($use_java_script);
3.144     scop     3268:   print <<EOF;
3.189     scop     3269: </td>
                   3270: <td></td>
3.144     scop     3271: </tr>
                   3272: EOF
3.120     scop     3273:
                   3274:   if (@branchnames) {
3.144     scop     3275:
                   3276:     printf(<<EOF, $use_java_script ? ' onchange="this.form.submit()"' : '');
                   3277: <tr>
3.189     scop     3278: <td class="opt-label">
3.188     scop     3279: <label for="only_with_tag" accesskey="B">View only branch:</label>
3.189     scop     3280: </td>
                   3281: <td class="opt-value">
                   3282: <a name="branch">
3.144     scop     3283: <select id="only_with_tag" name="only_with_tag"%s>
                   3284: EOF
3.120     scop     3285:
3.193     scop     3286:     my @tmp = ();
                   3287:     my $selfound = 0;
3.120     scop     3288:     foreach (reverse sort @branchnames) {
3.136     scop     3289:       my $selected =
3.254     scop     3290:         (defined($input{only_with_tag}) && $input{only_with_tag} eq $_);
3.193     scop     3291:       $selfound ||= $selected;
                   3292:       push(@tmp, sprintf('<option%s>%s</option>',
3.208     scop     3293:                          $selected ? ' selected="selected"' : '',
3.193     scop     3294:                          htmlquote($_)));
3.120     scop     3295:     }
3.193     scop     3296:     printf("<option value=\"\"%s>Show all branches</option>\n",
3.208     scop     3297:            $selfound ? '' : ' selected="selected"');
3.193     scop     3298:     print join("\n", @tmp);
                   3299:
3.144     scop     3300:     print <<EOF
                   3301: </select>
3.189     scop     3302: </a>
3.144     scop     3303: </td>
                   3304: <td></td>
                   3305: </tr>
                   3306: EOF
3.120     scop     3307:   }
                   3308:
3.144     scop     3309:   print <<EOF;
3.189     scop     3310: <tr>
                   3311: <td class="opt-label">
                   3312: <label for="logsort" accesskey="L">Sort log by:</label>
                   3313: </td>
                   3314: <td>
3.144     scop     3315: EOF
3.120     scop     3316:   printLogSortSelect($use_java_script);
3.144     scop     3317:   print <<EOF;
3.189     scop     3318: </td>
3.208     scop     3319: <td><input type="submit" value="Set" accesskey="S" /></td>
3.189     scop     3320: </tr>
3.144     scop     3321: </table>
                   3322: EOF
3.154     scop     3323:   foreach (@stickyvars) {
                   3324:     next if ($_ eq "f");
                   3325:     next if ($_ eq "only_with_tag");
                   3326:     next if ($_ eq "logsort");
3.296     scop     3327:     printf("<input type=\"hidden\" name=\"%s\" value=\"%s\" />\n",
                   3328:            $_, htmlquote($input{$_}))
3.154     scop     3329:       if (defined($input{$_})
3.194     scop     3330:           && (!defined($DEFAULTVALUE{$_}) || $input{$_} ne $DEFAULTVALUE{$_}));
3.154     scop     3331:   }
3.189     scop     3332:   print "</fieldset>\n</form>\n";
3.120     scop     3333:   html_footer();
                   3334: }
                   3335:
3.175     scop     3336:
3.120     scop     3337: sub flush_diff_rows($$$$)
                   3338: {
                   3339:   my ($leftColRef, $rightColRef, $leftRow, $rightRow) = @_;
                   3340:
3.175     scop     3341:   return unless defined($state);
3.120     scop     3342:
                   3343:   if ($state eq "PreChangeRemove") {    # we just got remove-lines before
3.133     scop     3344:     for (my $j = 0; $j < $leftRow; $j++) {
3.256     scop     3345:       printf(<<EOF, spacedHtmlText(@$leftColRef[$j]));
3.144     scop     3346: <tr>
3.260     scop     3347:  <td class="diff diff-removed">&nbsp;%s</td>
                   3348:  <td class="diff diff-empty">&nbsp;</td>
3.144     scop     3349: </tr>
                   3350: EOF
3.120     scop     3351:     }
                   3352:   } elsif ($state eq "PreChange") {     # state eq "PreChange"
                   3353:                                         # we got removes with subsequent adds
3.176     scop     3354:       for (my $j = 0; $j < $leftRow || $j < $rightRow; $j++) { # dump both cols
                   3355:         print "<tr>\n";
                   3356:         if ($j < $leftRow) {
3.260     scop     3357:           print '<td class="diff diff-changed">&nbsp;' .
3.176     scop     3358:             spacedHtmlText(@$leftColRef[$j]) . '</td>';
                   3359:         } else {
3.260     scop     3360:           print '<td class="diff diff-changed-missing">&nbsp;</td>';
3.176     scop     3361:         }
                   3362:         print "\n";
3.120     scop     3363:
3.176     scop     3364:         if ($j < $rightRow) {
3.260     scop     3365:           print '<td class="diff diff-changed">&nbsp;' .
3.176     scop     3366:             spacedHtmlText(@$rightColRef[$j]) . '</td>';
                   3367:         } else {
3.260     scop     3368:           print '<td class="diff diff-changed-missing">&nbsp;</td>';
3.176     scop     3369:         }
                   3370:         print "\n</tr>\n";
3.120     scop     3371:       }
                   3372:   }
3.1       knu      3373: }
                   3374:
3.175     scop     3375:
3.263     scop     3376: #
                   3377: # Generates "human readable", HTMLified diffs.
                   3378: #
3.144     scop     3379: sub human_readable_diff($$)
3.120     scop     3380: {
                   3381:   my ($fh, $rev) = @_;
3.144     scop     3382:
3.169     scop     3383:   (my $where_nd       = $where)       =~ s|\.diff$||;
                   3384:   (my $filename       = $where_nd)    =~ s|^.*/||;
3.262     scop     3385:   (my $pathname       = $where_nd)    =~ s|((?<=/)Attic/)?[^/]*$||;
3.169     scop     3386:   (my $scriptwhere_nd = $scriptwhere) =~ s|\.diff$||;
3.120     scop     3387:
3.133     scop     3388:   navigateHeader($scriptwhere_nd, $pathname, $filename, $rev, 'diff');
3.120     scop     3389:
3.178     scop     3390:   # Read header to pick up read revision and date, if possible.
                   3391:
                   3392:   my ($r1d, $r1r, $r2d, $r2r);
3.120     scop     3393:   while (<$fh>) {
                   3394:     ($r1d, $r1r) = /\t(.*)\t(.*)$/ if (/^--- /);
                   3395:     ($r2d, $r2r) = /\t(.*)\t(.*)$/ if (/^\+\+\+ /);
                   3396:     last if (/^\+\+\+ /);
                   3397:   }
                   3398:
3.178     scop     3399:   my ($rev1, $date1);
3.120     scop     3400:   if (defined($r1r) && $r1r =~ /^(\d+\.)+\d+$/) {
                   3401:     $rev1  = $r1r;
                   3402:     $date1 = $r1d;
                   3403:   }
3.178     scop     3404:   my ($rev2, $date2);
3.120     scop     3405:   if (defined($r2r) && $r2r =~ /^(\d+\.)+\d+$/) {
                   3406:     $rev2  = $r2r;
                   3407:     $date2 = $r2d;
                   3408:   }
3.292     scop     3409:   $rev1  = $input{r1}      unless defined($rev1);
                   3410:   $rev1  = $input{tr1}     if (defined($rev1) && $rev1 eq 'text');
3.178     scop     3411:   $rev1  = 'unknown-left'  unless defined($rev1);
3.292     scop     3412:   $rev2  = $input{r2}      unless defined($rev2);
                   3413:   $rev2  = $input{tr2}     if (defined($rev2) && $rev2 eq 'text');
3.178     scop     3414:   $rev2  = 'unknown-right' unless defined($rev2);
                   3415:   $date1 = defined($date1) ? ', ' . htmlquote($date1) : '';
                   3416:   $date2 = defined($date2) ? ', ' . htmlquote($date2) : '';
3.120     scop     3417:
3.281     scop     3418:   my $link = uri_escape($filename) . ($query ? "$query;" : '?');
3.210     scop     3419:
3.144     scop     3420:   # Using <table style=\"border: none\" here breaks NS 4.x badly...
3.210     scop     3421:   print <<EOF;
                   3422: <h3 style="text-align: center">Diff for /$where_nd between versions $rev1 and $rev2</h3>
                   3423: <table border="0" cellspacing="0" cellpadding="0" width="100%" summary="Diff output">
3.144     scop     3424: <tr style="background-color: #ffffff">
3.210     scop     3425: <th style="text-align: center; vertical-align: top" width="50%">
3.281     scop     3426: <a href="${link}rev=$rev1">version $rev1</a>$date1
3.178     scop     3427: </th>
3.210     scop     3428: <th style="text-align: center; vertical-align: top" width="50%">
3.281     scop     3429: <a href="${link}rev=$rev2">version $rev2</a>$date2
3.144     scop     3430: </th>
3.178     scop     3431: </tr>
3.144     scop     3432: EOF
3.120     scop     3433:
                   3434:   # Process diff text
                   3435:   # prefetch several lines
                   3436:   my @buf = head($fh);
3.144     scop     3437:   my %d = scan_directives(@buf);
3.120     scop     3438:
3.144     scop     3439:   my $leftRow  = 0;
                   3440:   my $rightRow = 0;
                   3441:   my ($difftxt, @rightCol, @leftCol, $oldline, $newline, $funname);
3.120     scop     3442:
3.281     scop     3443:   $link .= 'content-type=text%2Fx-cvsweb-markup;';
                   3444:   $link .= 'ln=1;' unless ($link =~ /\?.*\bln=1\b/);
3.210     scop     3445:
3.120     scop     3446:   while (@buf || !eof($fh)) {
                   3447:     $difftxt = @buf ? shift @buf : <$fh>;
                   3448:
                   3449:     if ($difftxt =~ /^@@/) {
                   3450:       ($oldline, $newline, $funname) =
                   3451:         $difftxt =~ /@@ \-([0-9]+).*\+([0-9]+).*@@(.*)/;
                   3452:       $funname = htmlquote($funname);
                   3453:       $funname =~ s/\s/&nbsp;/go;
3.182     scop     3454:       $funname &&= "&nbsp;<span style=\"font-size: smaller\">$funname</span>";
3.210     scop     3455:       my $ol = $oldline || 1;
                   3456:       my $nl = $newline || 1;
3.144     scop     3457:
3.210     scop     3458:       print <<EOF;
3.182     scop     3459: <tr>
3.210     scop     3460: <td width="50%" class="diff-heading">
3.281     scop     3461:  <b><a href="${link}rev=$rev1#l$ol">Line&nbsp;$oldline</a></b>$funname
3.182     scop     3462: </td>
3.210     scop     3463: <td width="50%" class="diff-heading">
3.281     scop     3464:  <b><a href="${link}rev=$rev2#l$nl">Line&nbsp;$newline</a></b>$funname
3.144     scop     3465: </td>
3.208     scop     3466: </tr>
3.144     scop     3467: EOF
                   3468:
3.120     scop     3469:       $state    = "dump";
                   3470:       $leftRow  = 0;
                   3471:       $rightRow = 0;
                   3472:     } else {
3.224     scop     3473:       my ($diffcode, $rest) = $difftxt =~ /^([-+ ])(.*)/;
                   3474:       $diffcode = '' unless defined($diffcode);
3.176     scop     3475:       $_ = $rest;
3.120     scop     3476:
                   3477:       #########
                   3478:       # little state machine to parse unified-diff output (Hen, zeller@think.de)
                   3479:       # in order to get some nice 'ediff'-mode output
                   3480:       # states:
                   3481:       #  "dump"             - just dump the value
                   3482:       #  "PreChangeRemove"  - we began with '-' .. so this could be the start of a 'change' area or just remove
                   3483:       #  "PreChange"        - okey, we got several '-' lines and moved to '+' lines -> this is a change block
                   3484:       ##########
                   3485:
                   3486:       if ($diffcode eq '+') {
                   3487:         if ($state eq "dump")
                   3488:         {    # 'change' never begins with '+': just dump out value
3.254     scop     3489:           $_ = spacedHtmlText($rest, $d{tabstop});
3.144     scop     3490:           printf(<<EOF, $_);
                   3491: <tr>
3.260     scop     3492:  <td class="diff diff-empty">&nbsp;</td>
                   3493:  <td class="diff diff-added">&nbsp;%s</td>
3.144     scop     3494: </tr>
                   3495: EOF
3.120     scop     3496:         } else {    # we got minus before
                   3497:           $state = "PreChange";
                   3498:           $rightCol[$rightRow++] = $_;
                   3499:         }
                   3500:       } elsif ($diffcode eq '-') {
                   3501:         $state = "PreChangeRemove";
                   3502:         $leftCol[$leftRow++] = $_;
                   3503:       } else {    # empty diffcode
                   3504:         flush_diff_rows \@leftCol, \@rightCol, $leftRow, $rightRow;
3.254     scop     3505:         $_ = spacedHtmlText($rest, $d{tabstop});
3.147     scop     3506:         printf(<<EOF, $_, $_);
3.144     scop     3507: <tr>
3.260     scop     3508:  <td class="diff diff-same">&nbsp;%s</td>
                   3509:  <td class="diff diff-same">&nbsp;%s</td>
3.144     scop     3510: </tr>
                   3511: EOF
3.120     scop     3512:         $state    = "dump";
                   3513:         $leftRow  = 0;
                   3514:         $rightRow = 0;
                   3515:       }
                   3516:     }
                   3517:   }
                   3518:   close($fh);
                   3519:
                   3520:   flush_diff_rows \@leftCol, \@rightCol, $leftRow, $rightRow;
                   3521:
                   3522:   # state is empty if we didn't have any change
                   3523:   if (!$state) {
3.144     scop     3524:     print <<EOF;
                   3525: <tr>
                   3526:  <td colspan="2">&nbsp;</td>
                   3527: </tr>
3.260     scop     3528: <tr class="diff diff-empty">
3.144     scop     3529:  <td colspan="2" align="center"><b>- No viewable change -</b></td>
                   3530: </tr>
                   3531: EOF
3.120     scop     3532:   }
                   3533:
3.182     scop     3534:   printf(<<EOF, $scriptwhere);
3.144     scop     3535: </table>
3.208     scop     3536: <hr style="width: 100%%" />
3.144     scop     3537: <form method="get" action="%s">
3.182     scop     3538: <div style="float: left">
3.208     scop     3539: <label for="f">Diff format:<br />
3.144     scop     3540: EOF
3.168     scop     3541:   printDiffSelectStickyVars();
3.120     scop     3542:   printDiffSelect($use_java_script);
3.182     scop     3543:   printf(<<EOF, $rev1, $rev2);
3.179     scop     3544: </label>
3.208     scop     3545: <input type="submit" value="Show" />
3.182     scop     3546: </div>
                   3547: <table style="float: right; border: thin outset" cellspacing="0" cellpadding="1" title="Legend" summary="Legend">
                   3548:  <tr>
3.260     scop     3549:   <td align="center" class="diff diff-removed">Removed from v.%s</td>
                   3550:   <td class="diff diff-empty">&nbsp;</td>
                   3551:  </tr><tr class="diff diff-changed">
3.182     scop     3552:   <td align="center" colspan="2">changed lines</td>
                   3553:  </tr><tr>
3.260     scop     3554:   <td class="diff diff-empty">&nbsp;</td>
                   3555:   <td align="center" class="diff diff-added">Added in v.%s</td>
3.182     scop     3556:  </tr>
3.144     scop     3557: </table>
                   3558: </form>
3.208     scop     3559: <br clear="all" />
3.144     scop     3560: EOF
3.120     scop     3561: }
3.167     scop     3562:
                   3563:
3.245     scop     3564: sub doEnscript($$$;$)
3.167     scop     3565: {
3.240     scop     3566:   my ($filehandle, $highlight, $linenumbers, $lang) = @_;
                   3567:   $lang ||= 'cvsweb';
3.167     scop     3568:
3.174     scop     3569:   my @cmd = ($CMD{enscript},
                   3570:              @enscript_options,
3.240     scop     3571:              '-q', "--language=$lang", '-o', '-', "--highlight=$highlight");
3.174     scop     3572:
                   3573:   local *ENSCRIPT_OUT;
                   3574:   my ($h, $err) =
3.229     scop     3575:     startproc(\@cmd, $filehandle, '>pipe', \*ENSCRIPT_OUT);
3.174     scop     3576:   fatal('500 Internal Error', $err) unless $h;
                   3577:
                   3578:   # We could short-circuit and have enscript output directly to STDOUT above,
                   3579:   # but that doesn't work with mod_perl (at least some 1.99 versions).
                   3580:   if ($linenumbers) {
                   3581:     my $ln = 0;
                   3582:     while (<ENSCRIPT_OUT>) {
                   3583:       printf '<a id="l%d" class="src">%5d: </a>', (++$ln) x 2;
                   3584:       print $_;
3.167     scop     3585:     }
3.174     scop     3586:   } else {
                   3587:     local $/ = undef;
                   3588:     print <ENSCRIPT_OUT>;
3.167     scop     3589:   }
3.229     scop     3590:   $h->finish();
3.167     scop     3591: }
                   3592:
3.120     scop     3593:
3.271     scop     3594: #
                   3595: # The passed in $path and $filename should not be URI escaped, and $swhere
                   3596: # *should* be.
                   3597: #
3.163     scop     3598: sub navigateHeader($$$$$;$)
3.120     scop     3599: {
3.163     scop     3600:   my ($swhere, $path, $filename, $rev, $title, $moddate) = @_;
3.120     scop     3601:   $swhere = "" if ($swhere eq $scriptwhere);
3.271     scop     3602:   $swhere = './' . uri_escape($filename) if ($swhere eq "");
3.120     scop     3603:
3.136     scop     3604:   my $qfile = htmlquote($filename);
                   3605:   my $qpath = htmlquote($path);
3.274     scop     3606:   my $trev  = $rev ? " - " . htmlquote($rev) : '';
3.100     knu      3607:
3.298     simon    3608:   http_header('text/html', $moddate);
3.133     scop     3609:
3.120     scop     3610:   print <<EOF;
3.100     knu      3611: $HTML_DOCTYPE
3.89      knu      3612: <html>
                   3613: <head>
3.170     scop     3614: <title>$qpath$qfile - $title$trev</title>
3.144     scop     3615: $HTML_META$CSS</head>
3.129     scop     3616: <body class="src">
3.265     scop     3617: <table class="navigate-header" width="100%" summary="Navigation">
3.184     scop     3618:  <tr>
                   3619:   <td>
3.64      knu      3620: EOF
                   3621:
3.274     scop     3622:   my $frag = '';
                   3623:   if ($rev) {
                   3624:     $frag  = '#';
                   3625:     $frag .= 'rev' if ($rev =~ /\./);  # Normal revision: prefix with "rev".
                   3626:     $frag .= $rev;                     # Append revision/branch/tag.
                   3627:   }
                   3628:   my $backurl = "$swhere$query$frag";
                   3629:
                   3630:   print &link($backicon, $backurl);
                   3631:   printf '<b>Return to %s CVS log', &link($qfile, $backurl);
3.120     scop     3632:   print "</b> $fileicon</td>";
                   3633:
3.144     scop     3634:   printf(<<EOF, $diricon, &clickablePath($path, 1));
3.182     scop     3635:   <td style="text-align: right">%s <b>Up to %s</b></td>
3.144     scop     3636:  </tr>
                   3637: </table>
                   3638: EOF
3.120     scop     3639: }
                   3640:
3.175     scop     3641:
3.120     scop     3642: sub plural_write($$)
                   3643: {
                   3644:   my ($num, $text) = @_;
                   3645:   if ($num != 1) {
                   3646:     $text .= "s";
                   3647:   }
                   3648:
                   3649:   if ($num > 0) {
                   3650:     return join (' ', $num, $text);
                   3651:   } else {
                   3652:     return "";
                   3653:   }
3.1       knu      3654: }
                   3655:
3.175     scop     3656:
3.1       knu      3657: ##
                   3658: # print readable timestamp in terms of
                   3659: # '..time ago'
                   3660: # H. Zeller <zeller@think.de>
                   3661: ##
3.120     scop     3662: sub readableTime($$)
                   3663: {
                   3664:   my ($secs, $long) = @_;
                   3665:
3.175     scop     3666:   # This function works correctly for time >= 2 seconds.
                   3667:   return 'very little time' if ($secs < 2);
3.120     scop     3668:
                   3669:   my %desc = (
3.133     scop     3670:               1        => 'second',
                   3671:               60       => 'minute',
                   3672:               3600     => 'hour',
                   3673:               86400    => 'day',
                   3674:               604800   => 'week',
                   3675:               2628000  => 'month',
                   3676:               31536000 => 'year'
                   3677:              );
                   3678:
3.120     scop     3679:   my @breaks = sort { $a <=> $b } keys %desc;
3.133     scop     3680:   my $i = 0;
3.120     scop     3681:
                   3682:   while ($i <= $#breaks && $secs >= 2 * $breaks[$i]) {
                   3683:     $i++;
                   3684:   }
                   3685:   $i--;
3.133     scop     3686:   my $break  = $breaks[$i];
                   3687:   my $retval = plural_write(int($secs / $break), $desc{$break});
3.120     scop     3688:
                   3689:   if ($long == 1 && $i > 0) {
                   3690:     my $rest = $secs % $break;
                   3691:     $i--;
                   3692:     $break = $breaks[$i];
                   3693:     my $resttime = plural_write(int($rest / $break), $desc{$break});
                   3694:     if ($resttime) {
                   3695:       $retval .= ", $resttime";
                   3696:     }
                   3697:   }
3.1       knu      3698:
3.120     scop     3699:   return $retval;
3.1       knu      3700: }
                   3701:
3.175     scop     3702:
3.1       knu      3703: #
3.263     scop     3704: # Returns a htmlified path where each directory is a link for faster
                   3705: # navigation.  $clickLast controls whether the basename
3.271     scop     3706: # (last directory/file) is a link as well.  The passed in $pathname should
                   3707: # *not* be URI escaped.
3.263     scop     3708: #
3.120     scop     3709: sub clickablePath($$)
                   3710: {
                   3711:   my ($pathname, $clickLast) = @_;
                   3712:
3.154     scop     3713:   my $root = '[' . htmlquote($CVSROOTdescr{$cvstree} || $cvstree) . ']';
                   3714:
3.144     scop     3715:   # This should never happen (see chooseCVSRoot()), but let's be sure...
3.154     scop     3716:   return $root if ($pathname eq '/');
3.120     scop     3717:
3.144     scop     3718:   my $retval =
3.154     scop     3719:     ' ' . &link($root, sprintf('%s/%s#dirlist', $scriptname, $query));
3.144     scop     3720:   my $wherepath = '';
                   3721:   my ($lastslash) = $pathname =~ m|/$|;
                   3722:
3.261     scop     3723:   foreach (split(m|/|, $pathname)) {
3.144     scop     3724:     $retval .= ' / ';
                   3725:     $wherepath .= "/$_";
                   3726:     my $last = "$wherepath/" eq "/$pathname" || $wherepath eq "/$pathname";
                   3727:
                   3728:     if ($clickLast || !$last) {
                   3729:       $retval .= &link(htmlquote($_),
                   3730:                        join ('',
3.271     scop     3731:                              $scriptname, uri_escape_path($wherepath),
3.144     scop     3732:                              (!$last || $lastslash ? '/' : ''), $query,
                   3733:                              (!$last || $lastslash ? "#dirlist" : "")));
                   3734:     } else {    # do not make a link to the current dir
                   3735:       $retval .= htmlquote($_);
3.120     scop     3736:     }
                   3737:   }
                   3738:   return $retval;
                   3739: }
                   3740:
3.144     scop     3741:
3.120     scop     3742: sub chooseCVSRoot()
                   3743: {
3.268     scop     3744:   print "<form method=\"get\" action=\"$scriptwhere\">\n<p>\n";
3.120     scop     3745:   if (2 <= @CVSROOT) {
3.133     scop     3746:     foreach my $k (keys %input) {
3.208     scop     3747:       printf("<input type=\"hidden\" name=\"%s\" value=\"%s\" />\n",
3.154     scop     3748:              htmlquote($k), htmlquote($input{$k}))
                   3749:         if ($input{$k} && $k ne 'cvsroot');
3.120     scop     3750:     }
                   3751:
3.144     scop     3752:     printf(<<EOF, $use_java_script ? ' onchange="this.form.submit()"' : '');
3.208     scop     3753: <label for="cvsroot" accesskey="C">CVS Root:
3.144     scop     3754: <select id="cvsroot" name="cvsroot"%s>
                   3755: EOF
3.120     scop     3756:
3.133     scop     3757:     foreach my $k (@CVSROOT) {
3.136     scop     3758:       printf("<option value=\"%s\"%s>%s</option>\n",
                   3759:              htmlquote($k),
3.208     scop     3760:              ($k eq $cvstree) ? ' selected="selected"' : '',
3.136     scop     3761:              htmlquote($CVSROOTdescr{$k} || $k));
3.120     scop     3762:     }
3.208     scop     3763:     print '</select></label>';
3.120     scop     3764:   } else {
                   3765:
                   3766:     # no choice -- but we need the form to select module/path,
                   3767:     # at least for Netscape
3.208     scop     3768:     printf "CVS Root: <b>[%s]</b>",
3.154     scop     3769:       htmlquote($CVSROOTdescr{$cvstree} || $cvstree);
3.120     scop     3770:   }
                   3771:
3.144     scop     3772:   print <<EOF;
                   3773: <label for="mpath" accesskey="M">
                   3774: Module path or alias:
3.208     scop     3775: <input type="text" id="mpath" name="path" value="" size="15" />
3.144     scop     3776: </label>
3.208     scop     3777: <input type="submit" value="Go" accesskey="O" />
                   3778: </p>
                   3779: </form>
3.144     scop     3780: EOF
3.120     scop     3781: }
                   3782:
3.175     scop     3783:
3.120     scop     3784: sub chooseMirror()
                   3785: {
                   3786:   # This code comes from the original BSD-cvsweb
                   3787:   # and may not be useful for your site; If you don't
                   3788:   # set %MIRRORS this won't show up, anyway.
                   3789:   scalar(%MIRRORS) or return;
                   3790:
                   3791:   # Should perhaps exclude the current site somehow...
                   3792:   print "\n<p>\nThis CVSweb is mirrored in\n";
                   3793:
                   3794:   my @tmp = map(&link(htmlquote($_), $MIRRORS{$_}), sort keys %MIRRORS);
                   3795:   my $tmp = pop (@tmp);
                   3796:
                   3797:   if (scalar(@tmp)) {
                   3798:     print join (', ', @tmp), ' and ';
                   3799:   }
                   3800:
                   3801:   print "$tmp.\n</p>\n";
                   3802: }
                   3803:
3.175     scop     3804:
3.120     scop     3805: sub fileSortCmp()
                   3806: {
3.175     scop     3807:   (my $af = $a) =~ s/,v$//;
                   3808:   (my $bf = $b) =~ s/,v$//;
3.120     scop     3809:   my ($rev1, $date1, $log1, $author1, $filename1) = @{$fileinfo{$af}}
                   3810:     if (defined($fileinfo{$af}));
                   3811:   my ($rev2, $date2, $log2, $author2, $filename2) = @{$fileinfo{$bf}}
                   3812:     if (defined($fileinfo{$bf}));
                   3813:
3.175     scop     3814:   my $comp = 0;
3.140     scop     3815:   if (defined($filename1) && defined($filename2) &&
                   3816:       $af eq $filename1   && $bf eq $filename2)
3.120     scop     3817:   {
                   3818:
                   3819:     # Two files
3.140     scop     3820:     $comp = -revcmp($rev1, $rev2)             if ($byrev  && $rev1  && $rev2);
                   3821:     $comp = ($date2   <=> $date1)             if ($bydate && $date1 && $date2);
                   3822:     if ($input{ignorecase}) {
                   3823:       $comp = (uc($log1)    cmp uc($log2))    if ($bylog && $log1 && $log2);
                   3824:       $comp = (uc($author1) cmp uc($author2)) if ($byauthor &&
                   3825:                                                   $author1 && $author2);
                   3826:     } else {
                   3827:       $comp = ($log1    cmp $log2)            if ($bylog && $log1 && $log2);
                   3828:       $comp = ($author1 cmp $author2)         if ($byauthor &&
                   3829:                                                   $author1 && $author2);
                   3830:     }
3.120     scop     3831:   }
                   3832:
                   3833:   if ($comp == 0) {
                   3834:
                   3835:     # Directories first, then files under version control,
                   3836:     # then other, "rogue" files.
                   3837:     # Sort by filename if no other criteria available.
                   3838:
                   3839:     my $ad = (
                   3840:       (-d "$fullname/$a")
                   3841:       ? 'D'
                   3842:       : (defined($fileinfo{$af}) ? 'F' : 'R')
                   3843:     );
                   3844:     my $bd = (
                   3845:       (-d "$fullname/$b")
                   3846:       ? 'D'
                   3847:       : (defined($fileinfo{$bf}) ? 'F' : 'R')
                   3848:     );
3.175     scop     3849:     (my $c = $a) =~ s|.*/||;
                   3850:     (my $d = $b) =~ s|.*/||;
3.144     scop     3851:
                   3852:     my ($l, $r) = ("$ad$c", "$bd$d");
                   3853:     $comp = $input{ignorecase} ? (uc($l) cmp uc($r)) : ($l cmp $r);
                   3854:
                   3855:     # Parent dir is always first, then Attic.
                   3856:     if ($comp != 0) {
                   3857:       if ($l eq 'D..') {
3.149     scop     3858:         $comp = -1;
3.144     scop     3859:       } elsif ($r eq 'D..') {
3.149     scop     3860:         $comp = 1;
3.144     scop     3861:       } elsif ($l eq 'DAttic') {
3.149     scop     3862:         $comp = -1;
3.144     scop     3863:       } elsif ($r eq 'DAttic') {
3.149     scop     3864:         $comp = 1;
3.144     scop     3865:       }
                   3866:     }
3.120     scop     3867:   }
                   3868:   return $comp;
3.1       knu      3869: }
                   3870:
3.220     scop     3871: #
                   3872: # Returns a URL to download the selected revision.
3.271     scop     3873: # Expects the passed in URL to be URI escaped, relative, and without a query
                   3874: # string.
3.220     scop     3875: #
3.120     scop     3876: sub download_url($$;$)
                   3877: {
                   3878:   my ($url, $revision, $mimetype) = @_;
3.252     scop     3879:   my @dots = $revision =~ /\./g;
                   3880:   $revision =~ s/\b0\.(?=\d+$)// if (scalar(@dots) & 1);
3.1       knu      3881:
3.222     scop     3882:   if (!defined($mimetype) || $mimetype !~ CVSWEBMARKUP) {
3.120     scop     3883:     my $path = $where;
                   3884:     $path =~ s|[^/]+$||;
3.261     scop     3885:     $url = "$scriptname/$CheckoutMagic/$path$url";
3.120     scop     3886:   }
3.219     scop     3887:   $url .= '?rev=' . uri_escape($revision);
                   3888:   $url .= ';content-type=' . uri_escape($mimetype) if $mimetype;
3.67      knu      3889:
3.175     scop     3890:   return $url;
3.1       knu      3891: }
                   3892:
3.175     scop     3893: #
3.220     scop     3894: # Returns a link to download the selected revision.
3.271     scop     3895: # Expects the passed in URL to be URI escaped, relative,
                   3896: # and without a query string.
3.175     scop     3897: #
3.120     scop     3898: sub download_link($$$;$)
                   3899: {
                   3900:   my ($url, $revision, $textlink, $mimetype) = @_;
3.220     scop     3901:   return sprintf('<a href="%s" class="download-link">%s</a>',
3.271     scop     3902:                  download_url($url, $revision, $mimetype) . $barequery,
                   3903:                  htmlquote($textlink));
3.218     scop     3904: }
3.120     scop     3905:
3.219     scop     3906: #
                   3907: # Returns a URL to display the selected revision.
3.263     scop     3908: # Expects the passed in URL to be URI escaped, and without a query string.
3.219     scop     3909: #
                   3910: sub display_url($$;$)
                   3911: {
                   3912:   my ($url, $revision, $mimetype) = @_;
                   3913:   $url .= '?rev=' . uri_escape($revision);
                   3914:   $url .= ';content-type=' . uri_escape($mimetype) if $mimetype;
                   3915:   return $url;
                   3916: }
                   3917:
                   3918: #
                   3919: # Returns a link to display the selected revision.
3.263     scop     3920: # Expects the passed in URL to be URI escaped, and without a query string.
3.219     scop     3921: #
                   3922: sub display_link($$;$$)
                   3923: {
                   3924:   my ($url, $revision, $textlink, $mtype) = @_;
                   3925:   $textlink = $revision unless defined($textlink);
                   3926:   return sprintf('<a href="%s" class="display-link">%s</a>',
3.271     scop     3927:                  display_url($url, $revision, $mtype) . $barequery,
3.219     scop     3928:                  htmlquote($textlink));
                   3929: }
3.132     scop     3930:
3.271     scop     3931: #
                   3932: # Expects the passed in URL to be URI escaped, and without a query string.
                   3933: # The passed in link text should be already HTML escaped as appropriate.
                   3934: #
3.170     scop     3935: sub graph_link($;$)
3.132     scop     3936: {
3.170     scop     3937:   my ($url, $text) = @_;
3.132     scop     3938:   $text ||= $graphicon;
3.271     scop     3939:   return sprintf('<a href="%s?graph=1%s">%s</a>', $url, $barequery, $text);
3.258     scop     3940: }
                   3941:
                   3942: #
                   3943: # Returns a link to CVSHistory for the given directory and filename.
                   3944: #
                   3945: sub history_link($$;$)
                   3946: {
                   3947:   my ($dir, $file, $text) = @_;
                   3948:   $dir  ||= '';
                   3949:   $file ||= '';
                   3950:   $text ||= 'History';
                   3951:   return &link($text,
                   3952:                sprintf('%s?cvsroot=%s;dsearch=%s;fsearch=%s;limit=1',
                   3953:                        $cvshistory_url, uri_escape($input{cvsroot} || ''),
                   3954:                        uri_escape($dir), uri_escape($file)));
3.1       knu      3955: }
                   3956:
                   3957: # Returns a Query string with the
                   3958: # specified parameter toggled
3.140     scop     3959: sub toggleQuery($;$)
3.120     scop     3960: {
                   3961:   my ($toggle, $value) = @_;
3.133     scop     3962:
                   3963:   my %vars = %input;
3.120     scop     3964:
                   3965:   if (defined($value)) {
                   3966:     $vars{$toggle} = $value;
                   3967:   } else {
                   3968:     $vars{$toggle} = $vars{$toggle} ? 0 : 1;
                   3969:   }
                   3970:
                   3971:   # Build a new query of non-default paramenters
3.133     scop     3972:   my $newquery = "";
                   3973:   foreach my $var (@stickyvars) {
3.120     scop     3974:     my ($value)   = defined($vars{$var})         ? $vars{$var}         : "";
                   3975:     my ($default) = defined($DEFAULTVALUE{$var}) ? $DEFAULTVALUE{$var} : "";
                   3976:
                   3977:     if ($value ne $default) {
3.203     scop     3978:       $newquery .= ';' if ($newquery ne "");
3.206     scop     3979:       $newquery .= uri_escape($var) . '=' . uri_escape($value);
3.120     scop     3980:     }
                   3981:   }
                   3982:
                   3983:   if ($newquery) {
                   3984:     return '?' . $newquery;
                   3985:   }
                   3986:   return "";
                   3987: }
                   3988:
                   3989: sub htmlquote($)
                   3990: {
                   3991:   local ($_) = @_;
                   3992:   # Special Characters; RFC 1866
                   3993:   s/&/&amp;/g;
                   3994:   s/\"/&quot;/g;
4.7       schwarze 3995:   s/"/&quot;/g;
3.120     scop     3996:   s/</&lt;/g;
                   3997:   s/>/&gt;/g;
3.175     scop     3998:   return $_;
3.120     scop     3999: }
                   4000:
                   4001: sub htmlunquote($)
                   4002: {
                   4003:   local ($_) = @_;
                   4004:   # Special Characters; RFC 1866
                   4005:   s/&quot;/\"/g;
                   4006:   s/&lt;/</g;
                   4007:   s/&gt;/>/g;
                   4008:   s/&amp;/&/g;
3.175     scop     4009:   return $_;
3.120     scop     4010: }
                   4011:
3.271     scop     4012: sub uri_escape_path($)
3.120     scop     4013: {
3.271     scop     4014:   return join('/', map(uri_escape($_), split(m|/+|, shift, -1)));
3.120     scop     4015: }
                   4016:
3.163     scop     4017: sub http_header(;$$)
3.120     scop     4018: {
3.163     scop     4019:   my ($content_type, $moddate) = @_;
                   4020:   $content_type ||= 'text/html';
3.120     scop     4021:
                   4022:   $content_type .= "; charset=$charset"
3.163     scop     4023:     if ($charset && $content_type =~ m,^text/,);
3.120     scop     4024:
3.185     scop     4025:   # Note that in the following, we explicitly join() and concatenate the
                   4026:   # headers instead of printing them as an array.  This is because some
                   4027:   # systems, eg. early versions of mod_perl 2 don't quite get it if the
                   4028:   # last \r\n\r\n isn't included in the last "payload" header print().
                   4029:
                   4030:   my @headers = ();
                   4031:   # TODO: ctime(3) from scalar gmtime() isn't HTTP compliant, see HTTP::Date.
                   4032:   push(@headers, 'Last-Modified: ' . scalar gmtime($moddate) . ' GMT')
                   4033:     if $moddate;
                   4034:   push(@headers, 'Content-Type: ' . $content_type);
4.10      schwarze 4035:   push(@headers, "Content-Security-Policy: default-src 'none'; " .
                   4036:     "img-src 'self'; style-src 'unsafe-inline'");
3.120     scop     4037:
                   4038:   if ($allow_compress && $maycompress) {
3.299     simon    4039:       push(@headers, 'Content-Encoding: gzip');
3.185     scop     4040:       push(@headers, 'Vary: Accept-Encoding');     # RFC 2616, 14.44
                   4041:       print join("\r\n", @headers) . "\r\n\r\n";
                   4042:
3.120     scop     4043:       $| = 1;
3.185     scop     4044:       $| = 0;                                      # Flush header output.
3.120     scop     4045:
4.13      schwarze 4046:       tie(*GZIP, __PACKAGE__, \*STDOUT);
3.120     scop     4047:       select(GZIP);
                   4048:       $gzip_open = 1;
                   4049:   } else {
3.185     scop     4050:     print join("\r\n", @headers) . "\r\n\r\n";
3.120     scop     4051:   }
                   4052: }
                   4053:
3.131     scop     4054:
3.163     scop     4055: sub html_header($;$)
3.120     scop     4056: {
3.163     scop     4057:   my ($title, $moddate) = @_;
3.288     scop     4058:   $title  = htmlquote($title);
                   4059:   my $l   = $logo || '';
                   4060:   my $css = $CSS || '';
3.163     scop     4061:   http_header('text/html', $moddate);
3.120     scop     4062:   print <<EOH;
3.100     knu      4063: $HTML_DOCTYPE
3.1       knu      4064: <html>
3.40      knu      4065: <head>
3.134     scop     4066: <title>$title</title>
3.288     scop     4067: $HTML_META$css</head>
3.129     scop     4068: <body>
3.182     scop     4069: $l <h1>$title</h1>
3.1       knu      4070: EOH
                   4071: }
                   4072:
3.120     scop     4073: sub html_footer()
                   4074: {
3.208     scop     4075:   print "<hr />\n<address>$address</address>\n" if $address;
3.127     scop     4076:   print "</body>\n</html>\n";
3.1       knu      4077: }
                   4078:
3.120     scop     4079: sub link_tags($)
                   4080: {
                   4081:   my ($tags) = @_;
                   4082:
3.261     scop     4083:   (my $filename = $where) =~ s|^.*/||;
3.271     scop     4084:   my $fileurl = './' . uri_escape($filename);
3.120     scop     4085:
3.261     scop     4086:   my $ret = "";
                   4087:   foreach my $sym (split(", ", $tags)) {
3.120     scop     4088:     $ret .= ",\n" if ($ret ne "");
3.136     scop     4089:     $ret .= &link(htmlquote($sym),
                   4090:                   $fileurl . toggleQuery('only_with_tag', $sym));
3.120     scop     4091:   }
3.219     scop     4092:   return $ret;
3.1       knu      4093: }
                   4094:
3.175     scop     4095:
3.1       knu      4096: #
3.233     scop     4097: # See if a file/dir is listed in the config file's @ForbiddenFiles list.
                   4098: # Takes a full file system path or one relative to $cvsroot, and strips the
                   4099: # trailing ",v" if present, then compares.  Returns 1 if forbidden, else 0.
3.221     scop     4100: #
3.233     scop     4101: sub forbidden($)
3.120     scop     4102: {
3.233     scop     4103:   (my $path = canonpath(shift)) =~ s/,v$//;
                   4104:   $path =~ s|^$cvsroot/+||;
3.175     scop     4105:   for my $forbidden_re (@ForbiddenFiles) {
                   4106:     return 1 if ($path =~ $forbidden_re);
3.120     scop     4107:   }
                   4108:   return 0;
3.174     scop     4109: }
                   4110:
                   4111:
                   4112: #
                   4113: # Starts a process using IPC::Run.  All arguments are passed to
                   4114: # IPC::Run::start() as-is.  Returns an array ($harness, $error) where
                   4115: # $harness is from IPC::Run if start() succeeds, undef otherwise.  In case
3.184     scop     4116: # of an error, $error contains the error message.
3.174     scop     4117: #
3.191     scop     4118: sub startproc(@)
3.174     scop     4119: {
3.215     scop     4120:   my $h = my $err = undef;
3.174     scop     4121:   eval {
                   4122:     local $SIG{__DIE__};
3.215     scop     4123:     $h = IPC::Run::start(@_) or die("return code: $?");
3.174     scop     4124:   };
3.215     scop     4125:   if ($@) {
3.229     scop     4126:     $h->finish() if $h;
3.215     scop     4127:     $h = undef;
                   4128:     $err = "'@{$_[0]}' failed: $@";
                   4129:   }
3.174     scop     4130:   return ($h, $err);
3.215     scop     4131: }
                   4132:
                   4133: #
                   4134: # Runs a process using IPC::Run.  All arguments are passed to
                   4135: # IPC::Run::run() as-is.  Returns an array ($exitcode, $errormsg).
                   4136: #
                   4137: sub runproc(@)
                   4138: {
                   4139:   eval {
                   4140:     local $SIG{__DIE__};
                   4141:     IPC::Run::run(@_);
                   4142:   };
                   4143:   my $exitcode = $? >> 8;
                   4144:   my $errormsg  = undef;
                   4145:   if ($@) {
                   4146:     $exitcode ||= -1;
                   4147:     $errormsg = "'@{$_[0]}' failed: $@";
                   4148:   }
                   4149:   return ($exitcode, $errormsg);
3.129     scop     4150: }
                   4151:
3.225     scop     4152: #
                   4153: # Check out a file to a temporary file.
                   4154: #
                   4155: sub checkout_to_temp($$$)
                   4156: {
                   4157:   my ($cvsroot, $cvsname, $rev) = @_;
3.25      knu      4158:
3.225     scop     4159:   # Pipe given cvs file into a temporary place.
                   4160:   my ($temp_fh, $temp_fn) = tempfile('.cvsweb.XXXXXXXX', DIR => tmpdir());
                   4161:
                   4162:   my @cmd = ($CMD{cvs}, @cvs_options, '-Qd', $cvsroot,
                   4163:              'co', '-p', "-r$rev", $cvsname);
                   4164:
                   4165:   local (*DIFF_OUT);
                   4166:   my ($h, $err) = startproc(\@cmd, \"", '>pipe', \*DIFF_OUT);
                   4167:   if ($h) {
                   4168:     local $/ = undef;
                   4169:     print $temp_fh <DIFF_OUT>;
3.229     scop     4170:     $h->finish();
3.225     scop     4171:     close($temp_fh);
                   4172:   } else {
                   4173:     close($temp_fh);
                   4174:     unlink($temp_fn);
                   4175:     fatal('500 Internal Error',
                   4176:           'Checkout failure (exit status %s), output: <pre>%s</pre>',
                   4177:           $? >> 8 || -1, $err);
                   4178:   }
                   4179:
                   4180:   return $temp_fn;
                   4181: }
                   4182:
                   4183: #
3.173     scop     4184: # Close the GZIP handle, and remove the tie.
3.225     scop     4185: #
3.120     scop     4186: sub gzipclose
                   4187: {
                   4188:   if ($gzip_open) {
                   4189:     select(STDOUT);
                   4190:     close(GZIP);
                   4191:     untie *GZIP;
                   4192:     $gzip_open = 0;
                   4193:   }
3.23      knu      4194: }
                   4195:
                   4196: # implement a gzipped file handle via the Compress:Zlib compression
                   4197: # library.
                   4198:
                   4199: sub MAGIC1() { 0x1f }
                   4200: sub MAGIC2() { 0x8b }
3.80      knu      4201: sub OSCODE() { 3 }
3.23      knu      4202:
3.120     scop     4203: sub TIEHANDLE
                   4204: {
                   4205:   my ($class, $out) = @_;
                   4206:   my ($d) = Compress::Zlib::deflateInit(
                   4207:     -Level      => Compress::Zlib::Z_BEST_COMPRESSION(),
                   4208:     -WindowBits => -Compress::Zlib::MAX_WBITS()
                   4209:     )
                   4210:     or return undef;
                   4211:   my ($o) = { handle => $out,
                   4212:               dh     => $d,
                   4213:               crc    => 0,
                   4214:               len    => 0,
                   4215:             };
4.12      schwarze 4216:   my ($header) = pack("C10",
3.120     scop     4217:                       MAGIC1, MAGIC2, Compress::Zlib::Z_DEFLATED(),
                   4218:                       0, 0, 0, 0, 0, 0, OSCODE);
                   4219:   print {$o->{handle}} $header;
                   4220:   return bless($o, $class);
                   4221: }
                   4222:
                   4223: sub PRINT
                   4224: {
                   4225:   my ($o)   = shift;
3.164     scop     4226:   my ($buf) = join (defined($,) ? $, : "", @_);
3.120     scop     4227:   my ($len) = length($buf);
                   4228:   my ($compressed, $status) = $o->{dh}->deflate($buf);
                   4229:   print {$o->{handle}} $compressed if defined($compressed);
                   4230:   $o->{crc} = Compress::Zlib::crc32($buf, $o->{crc});
                   4231:   $o->{len} += $len;
                   4232:   return $len;
                   4233: }
                   4234:
                   4235: sub PRINTF
                   4236: {
                   4237:   my ($o)   = shift;
                   4238:   my ($fmt) = shift;
                   4239:   my ($buf) = sprintf($fmt, @_);
                   4240:   my ($len) = length($buf);
                   4241:   my ($compressed, $status) = $o->{dh}->deflate($buf);
                   4242:   print {$o->{handle}} $compressed if defined($compressed);
                   4243:   $o->{crc} = Compress::Zlib::crc32($buf, $o->{crc});
                   4244:   $o->{len} += $len;
                   4245:   return $len;
                   4246: }
                   4247:
                   4248: sub WRITE
                   4249: {
                   4250:   my ($o, $buf, $len, $off) = @_;
                   4251:   my ($compressed, $status) = $o->{dh}->deflate(substr($buf, 0, $len));
                   4252:   print {$o->{handle}} $compressed if defined($compressed);
                   4253:   $o->{crc} = Compress::Zlib::crc32(substr($buf, 0, $len), $o->{crc});
                   4254:   $o->{len} += $len;
                   4255:   return $len;
                   4256: }
                   4257:
                   4258: sub CLOSE
                   4259: {
                   4260:   my ($o) = @_;
                   4261:   return if !defined($o->{dh});
                   4262:   my ($buf) = $o->{dh}->flush();
                   4263:   $buf .= pack("V V", $o->{crc}, $o->{len});
                   4264:   print {$o->{handle}} $buf;
                   4265:   undef $o->{dh};
                   4266: }
                   4267:
                   4268: sub DESTROY
                   4269: {
                   4270:   my ($o) = @_;
                   4271:   CLOSE($o);
1.1       jfieber  4272: }
3.149     scop     4273:
                   4274: # Local variables:
                   4275: # indent-tabs-mode: nil
                   4276: # cperl-indent-level: 2
                   4277: # End:

CVSweb