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Annotation of cvsweb/cvsweb.cgi, Revision 3.224

3.204     scop        1: #!/usr/bin/perl -T
1.1       jfieber     2: #
3.1       knu         3: # cvsweb - a CGI interface to CVS trees.
1.1       jfieber     4: #
3.12      knu         5: # Written in their spare time by
3.113     scop        6: #             Bill Fenner          <fenner@FreeBSD.org>   (original work)
                      7: # extended by Henner Zeller        <zeller@think.de>,
                      8: #             Henrik Nordstrom     <hno@hem.passagen.se>
                      9: #             Ken Coar             <coar@Apache.Org>
                     10: #             Dick Balaska         <dick@buckosoft.com>
                     11: #             Akinori MUSHA        <knu@FreeBSD.org>
                     12: #             Jens-Uwe Mager       <jum@helios.de>
                     13: #             Ville Skyttä         <scop@FreeBSD.org>
                     14: #             Vassilii Khachaturov <vassilii@tarunz.org>
3.1       knu        15: #
                     16: # Based on:
                     17: # * Bill Fenners cvsweb.cgi revision 1.28 available from:
3.5       knu        18: #   http://www.FreeBSD.org/cgi/cvsweb.cgi/www/en/cgi/cvsweb.cgi
1.1       jfieber    19: #
1.21      wosch      20: # Copyright (c) 1996-1998 Bill Fenner
3.1       knu        21: #           (c) 1998-1999 Henner Zeller
3.109     scop       22: #           (c) 1999      Henrik Nordstrom
                     23: #           (c) 2000-2002 Akinori MUSHA
3.216     scop       24: #           (c) 2002-2004 Ville Skyttä
1.21      wosch      25: # All rights reserved.
                     26: #
                     27: # Redistribution and use in source and binary forms, with or without
                     28: # modification, are permitted provided that the following conditions
                     29: # are met:
                     30: # 1. Redistributions of source code must retain the above copyright
                     31: #    notice, this list of conditions and the following disclaimer.
                     32: # 2. Redistributions in binary form must reproduce the above copyright
                     33: #    notice, this list of conditions and the following disclaimer in the
                     34: #    documentation and/or other materials provided with the distribution.
                     35: #
                     36: # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
                     37: # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     38: # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     39: # ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
                     40: # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     41: # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     42: # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     43: # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     44: # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     45: # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     46: # SUCH DAMAGE.
                     47: #
3.87      knu        48: # $FreeBSD$
3.82      knu        49: # $Id: cvsweb.cgi,v 1.112 2001/07/24 13:03:16 hzeller Exp $
3.85      knu        50: # $Idaemons: /home/cvs/cvsweb/cvsweb.cgi,v 3.84 2001/10/07 20:50:10 knu Exp $
1.21      wosch      51: #
3.1       knu        52: ###
                     53:
3.204     scop       54: require 5.006;
3.55      knu        55:
3.1       knu        56: use strict;
1.21      wosch      57:
3.204     scop       58: use warnings;
                     59: use filetest qw(access);
                     60:
3.1       knu        61: use vars qw (
3.222     scop       62:   $VERSION $CheckoutMagic $MimeTypes
3.144     scop       63:   $config $allow_version_select
3.120     scop       64:   @CVSrepositories @CVSROOT %CVSROOT %CVSROOTdescr
                     65:   %MIRRORS %DEFAULTVALUE %ICONS %MTYPES
                     66:   @DIFFTYPES %DIFFTYPES @LOGSORTKEYS %LOGSORTKEYS
3.129     scop       67:   %alltags %fileinfo %tags @branchnames %nameprinted
3.120     scop       68:   %symrev %revsym @allrevisions %date %author @revdisplayorder
3.152     scop       69:   @revisions %state %difflines %log %branchpoint @revorder $keywordsubstitution
3.120     scop       70:   $prcgi @prcategories $re_prcategories $prkeyword $re_prkeyword $mancgi
3.222     scop       71:   $doCheckout $scriptname $scriptwhere
3.120     scop       72:   $where $pathinfo $Browser $nofilelinks $maycompress
3.194     scop       73:   @stickyvars %funcline_regexp
3.120     scop       74:   $is_links $is_lynx $is_w3m $is_msie $is_mozilla3 $is_textbased
                     75:   %input $query $barequery $sortby $bydate $byrev $byauthor
                     76:   $bylog $byfile $defaultDiffType $logsort $cvstree $cvsroot
3.156     scop       77:   $charset $output_filter
3.132     scop       78:   $command_path %CMD $allow_compress $backicon $diricon $fileicon $graphicon
3.152     scop       79:   $fullname $newname $cvstreedefault $logo $defaulttitle $address $binfileicon
3.131     scop       80:   $long_intro $short_instruction $shortLogLen $show_author
3.129     scop       81:   $tablepadding $hr_breakable $showfunc $hr_ignwhite $hr_ignkeysubst
                     82:   $inputTextSize $mime_types $allow_annotate $allow_markup
3.120     scop       83:   $allow_log_extra $allow_dir_extra $allow_source_extra
3.218     scop       84:   $allow_cvsgraph $cvsgraph_config $use_java_script $edit_option_form
3.144     scop       85:   $show_subdir_lastmod $show_log_in_markup $preformat_in_markup
3.217     scop       86:   $tabstop $state $annTable $sel @HideModules @ForbiddenFiles
3.163     scop       87:   $module $use_descriptions %descriptions @mytz $dwhere
3.222     scop       88:   $use_moddate $gzip_open $file_list_len
3.120     scop       89:   $allow_tar @tar_options @gzip_options @zip_options @cvs_options
3.222     scop       90:   @annotate_options @rcsdiff_options
3.165     scop       91:   $HTML_DOCTYPE $HTML_META $cssurl $CSS
3.222     scop       92:   $allow_enscript @enscript_options %enscript_types
3.1       knu        93: );
                     94:
3.183     scop       95: use Cwd                   qw(abs_path cwd);
3.172     scop       96: use File::Basename        qw(dirname);
3.171     scop       97: use File::Path            qw(rmtree);
3.196     scop       98: use File::Spec::Functions qw(catdir catfile curdir devnull rootdir tmpdir
                     99:                              updir);
3.165     scop      100: use File::Temp            qw(tempdir);
3.215     scop      101: use IPC::Run              qw(finish timeout);
3.172     scop      102: use Time::Local           qw(timegm);
3.206     scop      103: use URI::Escape           qw(uri_escape uri_unescape);
3.122     scop      104:
3.222     scop      105: use constant VALID_PATH   => qr/^([[:^cntrl:]]+)$/o;
                    106: use constant VALID_TAG1   => qr/^([a-zA-Z][[:graph:]]*)$/o;
                    107: use constant VALID_TAG2   => qr/^([^\$,.:;@]+)$/o;
                    108: use constant CVSWEBMARKUP => qr/^text\/(x-cvsweb|vnd\.viewcvs)-markup$/io;
                    109: use constant LOG_FILESEPR => qr/^={77}$/o;
                    110: use constant LOG_REVSEPR  => qr/^-{28}$/o;
                    111:
                    112: use constant HAS_ZLIB     => eval { require Compress::Zlib; };
                    113: use constant HAS_EDIFF    => eval { require String::Ediff;  };
3.194     scop      114:
3.122     scop      115: # -----------------------------------------------------------------------------
                    116:
                    117: # All global initialization that can be done in compile time should go to
                    118: # the BEGIN block.  Persistent environments, such as mod_perl, will benefit
                    119: # from this.
                    120:
                    121: BEGIN
                    122: {
3.219     scop      123:   $VERSION = '2.9.2-dev';
3.122     scop      124:
                    125:   $HTML_DOCTYPE =
3.208     scop      126:     '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" ' .
                    127:     '"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">';
3.122     scop      128:
                    129:   $HTML_META = <<EOM;
3.208     scop      130: <meta name="robots" content="nofollow" />
                    131: <meta name="generator" content="FreeBSD-CVSweb $VERSION" />
                    132: <meta http-equiv="Content-Script-Type" content="text/javascript" />
                    133: <meta http-equiv="Content-Style-Type" content="text/css" />
3.122     scop      134: EOM
                    135:
3.156     scop      136:   # Use MIME::Types for MIME type lookups if it's available.
                    137:   eval {
                    138:     require MIME::Types;
3.223     scop      139:     $MimeTypes = MIME::Types->new(only_complete => 1);
3.156     scop      140:   };
                    141:   $MimeTypes = undef if $@;
                    142:
3.222     scop      143:   $CheckoutMagic = '~checkout~';
3.122     scop      144: }
                    145:
                    146: # -----------------------------------------------------------------------------
                    147:
3.12      knu       148: sub printDiffSelect($);
3.168     scop      149: sub printDiffSelectStickyVars();
3.37      knu       150: sub printDiffLinks($$);
                    151: sub printLogSortSelect($);
3.12      knu       152: sub findLastModifiedSubdirs(@);
3.36      knu       153: sub htmlify_sub(&$);
3.12      knu       154: sub htmlify($;$);
3.20      knu       155: sub spacedHtmlText($;$);
3.12      knu       156: sub link($$);
                    157: sub revcmp($$);
3.103     knu       158: sub fatal($$@);
3.12      knu       159: sub redirect($);
                    160: sub safeglob($);
3.58      knu       161: sub search_path($);
3.219     scop      162: sub getEnscriptHL($);
3.156     scop      163: sub getMimeType($;$);
3.24      knu       164: sub head($;$);
                    165: sub scan_directives(@);
3.86      knu       166: sub openOutputFilter();
3.133     scop      167: sub doAnnotate($);
3.12      knu       168: sub doCheckout($$);
3.167     scop      169: sub doEnscript($$$);
3.170     scop      170: sub doGraph();
                    171: sub doGraphView();
3.219     scop      172: sub cvswebMarkup($$$$$$;$);
3.12      knu       173: sub viewable($);
                    174: sub doDiff($$$$$$);
                    175: sub getDirLogs($$@);
                    176: sub readLog($;$);
3.219     scop      177: sub printLog($$$;$$);
3.12      knu       178: sub doLog($);
                    179: sub flush_diff_rows($$$$);
3.144     scop      180: sub human_readable_diff($$);
3.163     scop      181: sub navigateHeader($$$$$;$);
3.12      knu       182: sub plural_write($$);
                    183: sub readableTime($$);
                    184: sub clickablePath($$);
                    185: sub chooseCVSRoot();
                    186: sub chooseMirror();
                    187: sub fileSortCmp();
                    188: sub download_url($$;$);
                    189: sub download_link($$$;$);
3.219     scop      190: sub display_url($$;$);
                    191: sub display_link($$;$$);
3.170     scop      192: sub graph_link($;$);
3.140     scop      193: sub toggleQuery($;$);
3.12      knu       194: sub urlencode($);
3.35      knu       195: sub htmlquote($);
3.36      knu       196: sub htmlunquote($);
3.48      knu       197: sub hrefquote($);
3.163     scop      198: sub http_header(;$$);
                    199: sub html_header($;$);
3.12      knu       200: sub html_footer();
                    201: sub link_tags($);
3.81      knu       202: sub forbidden_file($);
3.12      knu       203: sub forbidden_module($);
3.191     scop      204: sub startproc(@);
3.215     scop      205: sub runproc(@);
3.12      knu       206:
3.1       knu       207: ##### Start of Configuration Area ########
3.122     scop      208:
3.142     scop      209: # Get rid of unsafe environment vars.  Don't do this in BEGIN...
3.173     scop      210: # This will fail with mod_perl 1.99_X for X < 08.
                    211: # http://marc.theaimsgroup.com/?l=apache-modperl-dev&m=103473352222344
3.142     scop      212: delete(@ENV{qw(PATH IFS CDPATH ENV BASH_ENV)});
3.59      knu       213:
3.172     scop      214: my ($mydir) = (dirname($0) =~ /(.*)/);    # untaint
3.58      knu       215:
3.12      knu       216: # == EDIT this ==
3.28      knu       217: # Locations to search for user configuration, in order:
3.165     scop      218: for (catfile($mydir, 'cvsweb.conf'), '/usr/local/etc/cvsweb/cvsweb.conf') {
                    219:   if (-r $_) {
3.120     scop      220:     $config = $_;
                    221:     last;
                    222:   }
3.11      knu       223: }
3.122     scop      224: undef $mydir;
3.1       knu       225:
                    226: # == Configuration defaults ==
                    227: # Defaults for configuration variables that shouldn't need
                    228: # to be configured..
                    229: $allow_version_select = 1;
3.120     scop      230: $allow_log_extra      = 1;
3.1       knu       231:
                    232: ##### End of Configuration Area   ########
                    233:
                    234: ######## Configuration variables #########
                    235: # These are defined to allow checking with perl -cw
3.120     scop      236:
3.80      knu       237: @CVSrepositories = @CVSROOT = %CVSROOT = %MIRRORS = %DEFAULTVALUE = %ICONS =
3.129     scop      238:   %MTYPES = %tags = %alltags = %fileinfo = ();
3.120     scop      239:
3.129     scop      240: $cvstreedefault = $logo = $defaulttitle =
3.120     scop      241:   $address = $long_intro = $short_instruction = $shortLogLen = $show_author =
3.131     scop      242:   $tablepadding = $hr_breakable = $showfunc = $hr_ignwhite =
3.129     scop      243:   $hr_ignkeysubst = $inputTextSize = $mime_types = $allow_annotate =
3.218     scop      244:   $allow_markup = $use_java_script = $edit_option_form =
3.144     scop      245:   $show_subdir_lastmod = $show_log_in_markup =
3.163     scop      246:   $tabstop = $use_moddate = $gzip_open = undef;
3.32      knu       247:
3.37      knu       248: @DIFFTYPES = qw(h H u c s);
                    249: @DIFFTYPES{@DIFFTYPES} = (
3.120     scop      250:   {
                    251:     'descr'   => 'colored',
                    252:     'opts'    => ['-u'],
                    253:     'colored' => 1,
                    254:   },
                    255:   {
                    256:     'descr'   => 'long colored',
                    257:     'opts'    => ['--unified=15'],
                    258:     'colored' => 1,
                    259:   },
                    260:   {
                    261:     'descr'   => 'unified',
                    262:     'opts'    => ['-u'],
                    263:     'colored' => 0,
                    264:   },
                    265:   {
                    266:     'descr'   => 'context',
                    267:     'opts'    => ['-c'],
                    268:     'colored' => 0,
                    269:   },
                    270:   {
                    271:     'descr'   => 'side by side',
                    272:     'opts'    => ['--side-by-side', '--width=164'],
                    273:     'colored' => 0,
                    274:   },
3.80      knu       275: );
3.37      knu       276:
                    277: @LOGSORTKEYS = qw(cvs date rev);
                    278: @LOGSORTKEYS{@LOGSORTKEYS} = (
3.120     scop      279:   {'descr' => 'Not sorted',},
                    280:   {'descr' => 'Commit date',},
                    281:   {'descr' => 'Revision',},
3.80      knu       282: );
3.37      knu       283:
3.1       knu       284: ##### End of configuration variables #####
                    285:
3.194     scop      286: if ($ENV{PATH_INFO}) {
                    287:   ($pathinfo) = ($ENV{PATH_INFO} =~ VALID_PATH)
                    288:     or fatal('500 Internal Error',
                    289:              'Illegal PATH_INFO in environment: <code>%s</code>',
                    290:              $ENV{PATH_INFO});
                    291: }
                    292: if ($ENV{SCRIPT_NAME}) {
                    293:   ($scriptname) = ($ENV{SCRIPT_NAME} =~ VALID_PATH)
                    294:     or fatal('500 Internal Error',
                    295:              'Illegal SCRIPT_NAME in environment: <code>%s</code>',
                    296:              $ENV{SCRIPT_NAME});
                    297: }
                    298:
                    299: $pathinfo      = '' unless defined($pathinfo);
                    300: $scriptname    = '' unless defined($scriptname);
                    301:
3.120     scop      302: $where         =  $pathinfo;
3.222     scop      303: $doCheckout    =  ($where =~ m|^/$CheckoutMagic/|o);
                    304: $where         =~ s|^/$CheckoutMagic/|/|o;
3.120     scop      305: $where         =~ s|^/||;
                    306: $scriptname    =~ s|^/*|/|;
3.63      knu       307:
3.64      knu       308: # Let's workaround thttpd's stupidity..
3.63      knu       309: if ($scriptname =~ m|/$|) {
3.120     scop      310:   $pathinfo .= '/';
                    311:   my $re = quotemeta $pathinfo;
                    312:   $scriptname =~ s/$re$//;
3.63      knu       313: }
                    314:
3.120     scop      315: $scriptwhere  = $scriptname;
3.63      knu       316: $scriptwhere .= '/' . urlencode($where);
                    317: $where = '/' if ($where eq '');
3.3       knu       318:
3.188     scop      319: # In text-based browsers, it's very annoying to have two links per file;
                    320: # skip linking the image for them.
                    321:
3.120     scop      322: $Browser     = $ENV{HTTP_USER_AGENT} || '';
3.187     scop      323: $is_links    = ($Browser =~ m`^E?Links `);
3.80      knu       324: $is_lynx     = ($Browser =~ m`^Lynx/`i);
                    325: $is_w3m      = ($Browser =~ m`^w3m/`i);
                    326: $is_msie     = ($Browser =~ m`MSIE`);
3.5       knu       327: $is_mozilla3 = ($Browser =~ m`^Mozilla/[3-9]`);
3.3       knu       328:
3.34      knu       329: $is_textbased = ($is_links || $is_lynx || $is_w3m);
3.5       knu       330:
                    331: $nofilelinks = $is_textbased;
3.1       knu       332:
                    333: # newer browsers accept gzip content encoding
                    334: # and state this in a header
                    335: # (netscape did always but didn't state it)
                    336: # It has been reported that these
                    337: #  braindamaged MS-Internet Exploders claim that they
                    338: # accept gzip .. but don't in fact and
                    339: # display garbage then :-/
3.23      knu       340: # Turn off gzip if running under mod_perl and no zlib is available,
                    341: # piping does not work as expected inside the server.
3.120     scop      342: $maycompress = (
                    343:   ((defined($ENV{HTTP_ACCEPT_ENCODING})
                    344:     && $ENV{HTTP_ACCEPT_ENCODING} =~ /gzip/)
                    345:    || $is_mozilla3)
                    346:   && !$is_msie
3.222     scop      347:   && !(defined($ENV{MOD_PERL}) && !HAS_ZLIB)
3.120     scop      348: );
3.1       knu       349:
3.194     scop      350: # Variables that will be sticky in all constructed links/query strings.
                    351: @stickyvars =
                    352:   qw(cvsroot hideattic ignorecase sortby logsort f only_with_tag ln);
1.1       jfieber   353:
3.1       knu       354: if (-f $config) {
3.120     scop      355:   do "$config"
                    356:     or fatal("500 Internal Error",
3.208     scop      357:              'Error in loading configuration file: %s<br /><br />%s<br />',
3.120     scop      358:              $config, $@);
3.27      knu       359: } else {
3.120     scop      360:   fatal("500 Internal Error",
                    361:         'Configuration not found.  Set the variable <code>$config</code> in cvsweb.cgi to your <b>cvsweb.conf</b> configuration file first.');
3.1       knu       362: }
                    363:
3.183     scop      364: # Try to find a readable dir where we can cd into.  Some abs_path()
                    365: # implementations as well as various cvs operations require such a dir to
                    366: # work properly.
                    367: {
                    368:   local $^W = 0;
3.190     scop      369:   if (!-r cwd()) {
                    370:     for my $dir (tmpdir(), rootdir()) {
                    371:       last if (-r $dir && chdir($dir));
                    372:     }
3.183     scop      373:   }
                    374: }
                    375:
3.144     scop      376: $CSS = $cssurl ?
3.208     scop      377:   sprintf("<link rel=\"stylesheet\" type=\"text/css\" href=\"%s\" />\n",
3.144     scop      378:           htmlquote($cssurl)) : '';
                    379:
3.194     scop      380: # --- input parameters
                    381:
3.202     scop      382: my %query = ();
                    383: if (defined($ENV{QUERY_STRING})) {
                    384:   for my $p (split(/[;&]+/, $ENV{QUERY_STRING})) {
                    385:     next unless $p;
                    386:     $p =~ y/+/ /;
                    387:     my ($key, $val) = split(/=/, $p, 2);
                    388:     next unless defined($key);
                    389:     $val = 1 unless defined($val);
3.222     scop      390:     ($key = uri_unescape($key)) =~ /[[:graph:]]/ or next;
                    391:     ($val = uri_unescape($val)) =~ /[[:graph:]]/ or next;
3.202     scop      392:     $query{$key} = $val;
                    393:   }
                    394: }
                    395:
3.1       knu       396: undef %input;
1.10      wosch     397:
3.194     scop      398: my $t;
                    399: for my $p (qw(graph hideattic hidecvsroot hidenonreadable ignorecase ln copt
                    400:               makeimage options tarball)) {
3.202     scop      401:   $t = $query{$p};
                    402:   if (defined($t)) {
3.222     scop      403:     ($input{$p}) = ($t =~ /^([01]|on)$/)
3.194     scop      404:       or fatal('500 Internal Error',
                    405:                'Invalid boolean value: <code>%s=%s</code>', $p, $t);
                    406:   }
                    407: }
                    408: for my $p (qw(annotate r1 r2 rev tr1 tr2)) {
3.202     scop      409:   $t = $query{$p};
                    410:   if (defined($t)) {
3.207     scop      411:     if (($p eq 'r1' || $p eq 'r2') && $t eq 'text') {
                    412:       # Special case for the "Use text field" option in the log view diff form.
                    413:       $input{$p} = $t;
                    414:       next;
                    415:     }
3.194     scop      416:     my ($rev, $tag) = split(/:/, $t, 2);
3.222     scop      417:     ($input{$p}) = ($rev =~ /^(\d+(?:\.\d+)+)$/)
3.194     scop      418:       or fatal('500 Internal Error',
                    419:                'Invalid revision: <code>%s=%s</code>', $p, $t);
                    420:     if (defined($tag)) {
                    421:       ($tag) = ($tag =~ VALID_TAG1)
                    422:         or fatal('500 Internal Error',
                    423:                  'Invalid revision: <code>%s=%s</code>', $p, $t);
                    424:       ($tag) = ($tag =~ VALID_TAG2)
                    425:         or fatal('500 Internal Error',
                    426:                  'Invalid revision: <code>%s=%s</code>', $p, $t);
3.207     scop      427:       $input{$p} .= ':' . $tag;
3.194     scop      428:     }
                    429:   }
                    430: }
3.202     scop      431: $t = defined($query{only_with_tag}) ?
                    432:   $query{only_with_tag} : $query{only_on_branch}; # Backwards compatibility.
                    433: if (defined($t)) {
3.211     scop      434:   ($input{only_with_tag}) = ($t =~ VALID_TAG1)
3.194     scop      435:     or fatal('500 Internal Error',
                    436:              'Invalid tag/branch name: <code>%s</code>', $t);
3.211     scop      437:   ($input{only_with_tag}) = ($t =~ VALID_TAG2)
3.194     scop      438:     or fatal('500 Internal Error',
                    439:              'Invalid tag/branch name: <code>%s</code>', $t);
                    440: }
3.202     scop      441: $t = $query{logsort};
                    442: if (defined($t)) {
3.222     scop      443:   ($input{logsort}) = ($t =~ /^(cvs|date|rev)$/)
3.194     scop      444:     or fatal('500 Internal Error',
                    445:              'Unsupported log sort key: <code>%s</code>', $t);
                    446: }
3.202     scop      447: $t = $query{f};
                    448: if (defined($t)) {
3.222     scop      449:   ($input{f}) = ($t =~ /^([hH]|[ucs]c?)$/)
3.194     scop      450:     or fatal('500 Internal Error',
                    451:              'Unsupported diff format: <code>%s</code>', $t);
                    452: }
3.202     scop      453: $t = $query{sortby};
                    454: if (defined($t)) {
3.222     scop      455:   ($input{sortby}) = ($t =~ /^(file|date|rev|author|log)$/)
3.194     scop      456:     or fatal('500 Internal Error',
                    457:              'Unsupported dir sort key: <code>%s</code>', $t);
                    458: }
3.202     scop      459: $t = $query{'content-type'};
                    460: if (defined($t)) {
3.222     scop      461:   ($input{'content-type'}) = ($t =~ /^([-0-9A-Za-z]+\/[-0-9A-Za-z\.]+)$/)
3.194     scop      462:     or fatal('500 Internal Error',
                    463:              'Unsupported content type: <code>%s</code>', $t);
                    464: }
3.202     scop      465: $t = $query{cvsroot};
                    466: if (defined($t)) {
3.222     scop      467:   ($input{cvsroot}) = ($t =~ /^([[:print:]]+)$/)
3.194     scop      468:     or fatal('500 Internal Error',
                    469:              'Invalid symbolic CVS root name: <code>%s</code>', $t);
                    470: }
3.202     scop      471: $t = $query{path};
                    472: if (defined($t)) {
3.194     scop      473:   ($input{path}) = ($t =~ VALID_PATH)
                    474:     or fatal('500 Internal Error',
                    475:              'Invalid path: <code>%s</code>', $t);
3.97      knu       476: }
3.194     scop      477: undef($t);
3.205     scop      478: undef(%query);
3.97      knu       479:
3.194     scop      480: # --- end input parameters
1.10      wosch     481:
3.158     scop      482: #
                    483: # CVS roots
                    484: #
                    485: my $rootfound = 0;
                    486: for (my $i = 0; $i < scalar(@CVSrepositories); $i += 2) {
                    487:   my $key = $CVSrepositories[$i];
                    488:   my ($descr, $cvsroot) = @{$CVSrepositories[$i+1]};
                    489:   unless (-d $cvsroot) {
                    490:     warn("Root '$cvsroot' defined in \@CVSrepositories is not a directory, " .
                    491:          'entry ignored');
                    492:     next;
                    493:   }
                    494:   $rootfound ||= 1;
                    495:   $cvstreedefault = $key unless defined($cvstreedefault);
                    496:   $CVSROOTdescr{$key} = $descr;
                    497:   $CVSROOT{$key} = $cvsroot;
                    498:   push(@CVSROOT, $key);
                    499: }
                    500: unless ($rootfound) {
                    501:   fatal('500 Internal Error',
                    502:         'No valid CVS roots found!  See <code>@CVSrepositories</code> in ' .
3.221     scop      503:         'the configuration file (<code>%s</code>).',
3.158     scop      504:         $config);
                    505: }
                    506: undef $rootfound;
                    507:
                    508: #
                    509: # Default CVS root
                    510: #
                    511: if (!defined($CVSROOT{$cvstreedefault})) {
                    512:   fatal("500 Internal Error",
                    513:         '<code>$cvstreedefault</code> points to a repository (%s) not ' .
                    514:         'defined in <code>@CVSrepositories</code> in your configuration ' .
                    515:         'file (<code>%s</code>).',
                    516:         $cvstreedefault,
                    517:         $config);
                    518: }
                    519:
3.1       knu       520: $DEFAULTVALUE{'cvsroot'} = $cvstreedefault;
1.10      wosch     521:
3.120     scop      522: while (my ($key, $defval) = each %DEFAULTVALUE) {
3.80      knu       523:
3.120     scop      524:   # Replace not given parameters with defaults.
3.194     scop      525:   next unless (defined($defval) && $defval =~ /\S/ && !defined($input{$key}));
3.120     scop      526:
                    527:   # Empty checkboxes in forms return nothing, so we define a helper variable
                    528:   # in these forms (copt) which indicates that we just set parameters with a
                    529:   # checkbox.
3.194     scop      530:   if ($input{copt}) {
3.120     scop      531:
3.194     scop      532:     # 'copt' is set -> the result of empty input checkbox
3.120     scop      533:     # -> set to zero (disable) if default is a boolean (0|1).
                    534:     $input{$key} = 0 if ($defval eq '0' || $defval eq '1');
                    535:
                    536:   } else {
                    537:
3.194     scop      538:     # 'copt' isn't set --> empty input is not the result
3.120     scop      539:     # of empty input checkbox --> set default.
                    540:     $input{$key} = $defval;
                    541:   }
1.10      wosch     542: }
3.12      knu       543:
3.1       knu       544: $barequery = "";
3.31      knu       545: my @barequery;
3.1       knu       546: foreach (@stickyvars) {
3.80      knu       547:
3.120     scop      548:   # construct a query string with the sticky non default parameters set
                    549:   if (defined($input{$_})
                    550:       && !(defined($DEFAULTVALUE{$_}) && $input{$_} eq $DEFAULTVALUE{$_}))
                    551:   {
3.206     scop      552:     push(@barequery, join('=', uri_escape($_), uri_escape($input{$_})));
3.120     scop      553:   }
3.1       knu       554: }
3.80      knu       555:
3.168     scop      556: if ($allow_enscript) {
                    557:   push(@DIFFTYPES, qw(uc cc sc));
                    558:   @DIFFTYPES{qw(uc cc sc)} = (
                    559:     {
                    560:      'descr'   => 'unified, colored',
                    561:      'opts'    => ['-u'],
                    562:      'colored' => 0,
                    563:     },
                    564:     {
                    565:      'descr'   => 'context, colored',
                    566:      'opts'    => ['-c'],
                    567:      'colored' => 0,
                    568:     },
                    569:     {
                    570:      'descr'   => 'side by side, colored',
                    571:      'opts'    => ['--side-by-side', '--width=164'],
                    572:      'colored' => 0,
                    573:     },
                    574:   );
                    575: } else {
                    576:   # No Enscript -> respect difftype, but don't offer colorization.
                    577:   if ($input{f} && $input{f} =~ /^([ucs])c$/) {
                    578:     $input{f} = $1;
                    579:   }
                    580: }
                    581:
3.1       knu       582: # is there any query ?
3.31      knu       583: if (@barequery) {
3.203     scop      584:   $barequery = join (';', @barequery);
3.120     scop      585:   $query     = "?$barequery";
3.203     scop      586:   $barequery = ";$barequery";
3.80      knu       587: } else {
3.120     scop      588:   $query = "";
3.1       knu       589: }
3.31      knu       590: undef @barequery;
3.1       knu       591:
3.120     scop      592: if (defined($input{'path'})) {
                    593:   redirect("$scriptname/$input{path}$query");
3.57      knu       594: }
                    595:
3.1       knu       596: # get actual parameters
3.144     scop      597: {
                    598:   my $sortby = $input{sortby} || 'file';
                    599:   $bydate    = 0;
                    600:   $byrev     = 0;
                    601:   $byauthor  = 0;
                    602:   $bylog     = 0;
                    603:   $byfile    = 0;
                    604:   if ($sortby eq 'date') {
                    605:     $bydate = 1;
                    606:   } elsif ($sortby eq 'rev') {
                    607:     $byrev = 1;
                    608:   } elsif ($sortby eq 'author') {
                    609:     $byauthor = 1;
                    610:   } elsif ($sortby eq 'log') {
                    611:     $bylog = 1;
                    612:   } else {
                    613:     $byfile = 1;
                    614:   }
3.1       knu       615: }
                    616:
3.37      knu       617: $defaultDiffType = $input{'f'};
3.1       knu       618:
3.3       knu       619: $logsort = $input{'logsort'};
3.1       knu       620:
                    621: # alternate CVS-Tree, configured in cvsweb.conf
                    622: if ($input{'cvsroot'} && $CVSROOT{$input{'cvsroot'}}) {
3.120     scop      623:   $cvstree = $input{'cvsroot'};
3.1       knu       624: } else {
3.120     scop      625:   $cvstree = $cvstreedefault;
1.10      wosch     626: }
                    627:
3.1       knu       628: $cvsroot = $CVSROOT{$cvstree};
1.10      wosch     629:
3.1       knu       630: # create icons out of description
3.120     scop      631: foreach my $k (keys %ICONS) {
                    632:   my ($itxt, $ipath, $iwidth, $iheight) = @{$ICONS{$k}};
                    633:   no strict 'refs';
                    634:   if ($ipath) {
                    635:     ${"${k}icon"} =
3.208     scop      636:       sprintf('<img src="%s" alt="%s" border="0" width="%d" height="%d" />',
3.132     scop      637:               hrefquote($ipath), htmlquote($itxt), $iwidth, $iheight);
3.120     scop      638:   } else {
                    639:     ${"${k}icon"} = $itxt;
                    640:   }
1.24      wosch     641: }
                    642:
3.27      knu       643: my $config_cvstree = "$config-$cvstree";
                    644:
3.1       knu       645: # Do some special configuration for cvstrees
3.27      knu       646: if (-f $config_cvstree) {
3.120     scop      647:   do "$config_cvstree"
                    648:     or fatal("500 Internal Error",
3.208     scop      649:              'Error in loading configuration file: %s<br /><br />%s<br />',
3.120     scop      650:              $config_cvstree, $@);
3.27      knu       651: }
3.31      knu       652: undef $config_cvstree;
3.1       knu       653:
3.120     scop      654: $re_prcategories  = '(?:' . join ('|', @prcategories) . ')' if @prcategories;
                    655: $re_prkeyword     = quotemeta($prkeyword) if defined($prkeyword);
                    656: $prcgi           .= '%s' if defined($prcgi) && $prcgi !~ /%s/;
1.24      wosch     657:
3.80      knu       658: $fullname         = "$cvsroot/$where";
3.1       knu       659:
3.63      knu       660: my $rewrite = 0;
                    661:
                    662: if ($pathinfo =~ m|//|) {
3.120     scop      663:   $pathinfo =~ y|/|/|s;
                    664:   $rewrite = 1;
3.63      knu       665: }
                    666:
3.120     scop      667: if (-d $fullname) {
                    668:   if ($pathinfo !~ m|/$|) {
                    669:     $pathinfo .= '/';
                    670:     $rewrite   = 1;
                    671:   }
                    672: } else {
                    673:   if ($pathinfo =~ m|/$|) {
                    674:     chop $pathinfo;
                    675:     $rewrite = 1;
                    676:   }
3.63      knu       677: }
                    678:
                    679: if ($rewrite) {
3.120     scop      680:   redirect($scriptname . urlencode($pathinfo) . $query);
3.1       knu       681: }
                    682:
3.63      knu       683: undef $rewrite;
                    684:
3.1       knu       685: if (!-d $cvsroot) {
3.120     scop      686:   fatal("500 Internal Error",
                    687:         '$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       688: }
                    689:
                    690: #
                    691: # See if the module is in our forbidden list.
                    692: #
                    693: $where =~ m:([^/]*):;
                    694: $module = $1;
                    695: if ($module && &forbidden_module($module)) {
3.120     scop      696:   fatal("403 Forbidden", 'Access to %s forbidden.', $where);
3.1       knu       697: }
3.46      knu       698:
                    699: #
                    700: # Handle tarball downloads before any headers are output.
                    701: #
                    702: if ($input{tarball}) {
3.120     scop      703:   fatal('403 Forbidden', 'Downloading tarballs is prohibited.')
                    704:     unless $allow_tar;
3.191     scop      705:
3.120     scop      706:   my ($module)  =  ($where =~ m,^/?(.*),);    # untaint
                    707:   $module       =~ s,/([^/]*)$,,;
3.191     scop      708:   my ($ext)     =  ($1 =~ /(\.t(?:ar\.)?gz|\.zip)$/);
3.120     scop      709:   my ($basedir) =  ($module =~ m,([^/]+)$,);
                    710:
                    711:   if ($basedir eq '' || $module eq '') {
                    712:     fatal('500 Internal Error',
                    713:           'You cannot download the top level directory.');
                    714:   }
                    715:
3.191     scop      716:   my $istar = ($ext eq '.tar.gz' || $ext eq '.tgz');
                    717:   if ($istar) {
                    718:     fatal('500 Internal Error', 'tar command not found.') unless $CMD{tar};
                    719:     fatal('500 Internal Error', 'gzip command not found.') unless $CMD{gzip};
                    720:   }
                    721:   my $iszip = ($ext eq '.zip');
                    722:   if ($iszip && !$CMD{zip}) {
                    723:     fatal('500 Internal Error', 'zip command not found.');
                    724:   }
3.215     scop      725:   if (!$istar && !$iszip) {
                    726:     fatal('500 Internal Error', 'Unsupported archive type.');
                    727:   }
3.191     scop      728:
3.138     scop      729:   my $tmpexportdir;
                    730:   eval {
                    731:     local $SIG{__DIE__};
3.171     scop      732:     # Don't use the CLEANUP argument to tempdir() here, since we might be under
                    733:     # mod_perl (the process runs for a long time), unlink explicitly later.
                    734:     $tmpexportdir = tempdir('.cvsweb.XXXXXXXX', TMPDIR => 1);
3.138     scop      735:   };
                    736:   if ($@) {
                    737:     fatal('500 Internal Error', 'Unable to make temporary directory: %s', $@);
                    738:   }
3.191     scop      739:   if (!chdir($tmpexportdir)) {
                    740:     fatal('500 Internal Error',
                    741:           "Can't cd to temporary directory %s: %s", $tmpexportdir, $!);
                    742:   }
3.120     scop      743:
                    744:   my @fatal;
3.194     scop      745:   my $tag = $input{only_with_tag} || 'HEAD';
                    746:   $tag = 'HEAD' if ($tag eq 'MAIN');
3.120     scop      747:
3.215     scop      748:   my @cmd =
                    749:     ($CMD{cvs}, @cvs_options, '-Qd', $cvsroot, 'export', '-r', $tag, $module);
                    750:   my $export_err;
                    751:   my ($errcode, $err) = runproc(\@cmd, '2>', \$export_err);
                    752:   if ($errcode) {
                    753:     @fatal =
                    754:       ('500 Internal Error',
                    755:        'Export failure (exit status %s), output: <pre>%s</pre>',
                    756:        $errcode, $err || $export_err);
3.191     scop      757:
3.215     scop      758:   } else {
3.191     scop      759:
3.120     scop      760:     $| = 1;    # Essential to get the buffering right.
3.191     scop      761:     local (*TAR_OUT);
3.120     scop      762:
3.191     scop      763:     my (@cmd, $ctype);
                    764:     if ($istar) {
                    765:       my @tar = ($CMD{tar}, @tar_options, '-cf', '-', $basedir);
                    766:       my @gzip = ($CMD{gzip}, @gzip_options, '-c');
                    767:       push(@cmd, \@tar, '|', \@gzip);
                    768:       $ctype = 'application/x-gzip';
                    769:     } elsif ($iszip) {
                    770:       my @zip = ($CMD{zip}, @zip_options, '-r', '-', $basedir);
                    771:       push(@cmd, \@zip, \'');
                    772:       $ctype = 'application/zip';
                    773:     }
                    774:     push(@cmd, '>pipe', \*TAR_OUT, timeout(30));
                    775:
                    776:     my ($h, $err) = startproc(@cmd);
                    777:     if ($h) {
                    778:       print "Content-Type: $ctype\r\n\r\n";
                    779:       local $/ = undef;
                    780:       print <TAR_OUT>;
                    781:       finish($h);
3.120     scop      782:     } else {
3.215     scop      783:       @fatal = ('500 Internal Error',
                    784:                 '%s failure (exit status %s), output: <pre>%s</pre>',
                    785:                 $istar ? 'Tar' : 'Zip', $? >> 8 || -1, $err);
3.120     scop      786:     }
                    787:   }
3.46      knu       788:
3.171     scop      789:   # Clean up.
                    790:   rmtree($tmpexportdir);
3.46      knu       791:
3.120     scop      792:   &fatal(@fatal) if @fatal;
3.46      knu       793:
3.120     scop      794:   exit;
3.46      knu       795: }
                    796:
3.1       knu       797: ##############################
                    798: # View a directory
                    799: ###############################
3.46      knu       800: if (-d $fullname) {
3.120     scop      801:   my $dh = do { local (*DH); };
                    802:   opendir($dh, $fullname) or fatal("404 Not Found", '%s: %s', $where, $!);
                    803:   my @dir = readdir($dh);
                    804:   closedir($dh);
                    805:   my @subLevelFiles = findLastModifiedSubdirs(@dir)
                    806:     if ($show_subdir_lastmod);
3.150     scop      807:   my @unreadable = getDirLogs($cvsroot, $where, @subLevelFiles);
3.120     scop      808:
                    809:   if ($where eq '/') {
                    810:     html_header($defaulttitle);
                    811:     $long_intro =~ s/!!CVSROOTdescr!!/$CVSROOTdescr{$cvstree}/g;
                    812:     print $long_intro;
                    813:   } else {
                    814:     html_header($where);
3.212     scop      815:     my $html = (-f catfile($fullname, 'README.cvs.html,v') ||
                    816:                 -f catfile($fullname, 'Attic', 'README.cvs.html,v'));
                    817:     my $text = (!$html &&
                    818:                 (-f catfile($fullname, 'README.cvs,v') ||
                    819:                  -f catfile($fullname, 'Attic', 'README.cvs,v')));
                    820:     if ($html || $text) {
                    821:       my $rev = $input{only_with_tag} || 'HEAD';
                    822:       my $cr = abs_path($cvsroot) || $cvsroot;
                    823:       my $co = "$where/README.cvs.html" if $html;
                    824:       $co ||= "$where/README.cvs" if $text;
                    825:       # abs_path() taints when run as a CGI...
                    826:       if ($cr =~ VALID_PATH) {
                    827:         $cr = $1;
                    828:       } else {
                    829:         fatal('500 Internal Error', 'Illegal CVS root: <code>%s</code>', $cr);
                    830:       }
                    831:       my @cmd = ($CMD{cvs}, @cvs_options, '-d', $cr, 'co', '-p', "-r$rev",$co);
                    832:       local (*CVS_OUT, *CVS_ERR);
                    833:       my ($h, $err) = startproc(\@cmd, \"", '>pipe', \*CVS_OUT,
                    834:                                 '2>pipe', \*CVS_ERR, timeout(30));
                    835:       fatal('500 Internal Error', $err) unless $h;
                    836:       if ($html) {
                    837:         local $/ = undef;
                    838:         print <CVS_OUT>;
                    839:       } else {
                    840:         print "<p>\n";
                    841:         while (<CVS_OUT>) {
                    842:           chomp;
                    843:           print htmlquote($_), '<br />';
                    844:         }
                    845:         print "</p>";
                    846:       }
                    847:       finish($h);
                    848:     }
3.120     scop      849:     print $short_instruction;
                    850:   }
                    851:
3.165     scop      852:   if ($use_descriptions &&
                    853:       open(DESC, '<', catfile($cvsroot, 'CVSROOT', 'descriptions'))) {
3.120     scop      854:     while (<DESC>) {
                    855:       chomp;
                    856:       my ($dir, $description) = /(\S+)\s+(.*)/;
                    857:       $descriptions{$dir} = $description;
                    858:     }
                    859:     close(DESC);
                    860:   }
                    861:
                    862:   print "<p><a name=\"dirlist\"></a></p>\n";
                    863:
                    864:   # give direct access to dirs
                    865:   if ($where eq '/') {
                    866:     chooseMirror();
                    867:     chooseCVSRoot();
                    868:   } else {
                    869:     print "<p>Current directory: <b>", &clickablePath($where, 0), "</b></p>\n";
                    870:
3.153     scop      871:     print "<p>Current tag: <b>", htmlquote($input{only_with_tag}), "</b></p>\n"
3.120     scop      872:       if $input{only_with_tag};
                    873:
                    874:   }
                    875:
3.208     scop      876:   print "<hr />\n";
3.120     scop      877:
3.179     scop      878:   my $infocols = 1;
3.131     scop      879:
3.199     scop      880:   printf(<<EOF, htmlquote("Index of $where"));
3.182     scop      881: <table class="dir" width="100%%" cellspacing="0" cellpadding="$tablepadding" summary="%s">
3.179     scop      882: <tr>
                    883: EOF
3.199     scop      884:   printf('<th colspan="2"%s>', ($byfile ? ' class="sorted"' : ''));
3.131     scop      885:
                    886:   if ($byfile) {
                    887:     print 'File';
                    888:   } else {
                    889:     print &link('File',
                    890:                 sprintf('./%s#dirlist', toggleQuery('sortby', 'file')));
                    891:   }
                    892:   print "</th>\n";
3.120     scop      893:
3.131     scop      894:   # Do not display the other column headers if we do not have any files
                    895:   # with revision information.
                    896:   if (scalar(%fileinfo)) {
3.120     scop      897:     $infocols++;
3.199     scop      898:     printf('<th%s>', ($byrev ? ' class="sorted"' : ''));
3.120     scop      899:
3.131     scop      900:     if ($byrev) {
                    901:       print 'Rev.';
3.120     scop      902:     } else {
3.131     scop      903:       print &link('Rev.',
                    904:                   sprintf('./%s#dirlist', toggleQuery('sortby', 'rev')));
3.120     scop      905:     }
                    906:     print "</th>\n";
3.131     scop      907:     $infocols++;
3.199     scop      908:     printf('<th%s>', ($bydate ? ' class="sorted"' : ''));
3.120     scop      909:
3.131     scop      910:     if ($bydate) {
                    911:       print 'Age';
                    912:     } else {
                    913:       print &link('Age',
                    914:                   sprintf('./%s#dirlist', toggleQuery('sortby', 'date')));
                    915:     }
                    916:     print "</th>\n";
3.120     scop      917:
3.131     scop      918:     if ($show_author) {
3.120     scop      919:       $infocols++;
3.199     scop      920:       printf('<th%s>', ($byauthor ? ' class="sorted"' : ''));
3.120     scop      921:
3.131     scop      922:       if ($byauthor) {
                    923:         print 'Author';
3.120     scop      924:       } else {
3.131     scop      925:         print
                    926:           &link('Author',
                    927:                 sprintf('./%s#dirlist', toggleQuery('sortby', 'author')));
3.120     scop      928:       }
                    929:       print "</th>\n";
3.131     scop      930:     }
                    931:     $infocols++;
3.199     scop      932:     printf('<th%s>', ($bylog ? ' class="sorted"' : ''));
3.120     scop      933:
3.131     scop      934:     if ($bylog) {
                    935:       print 'Last log entry';
                    936:     } else {
                    937:       print &link('Last log entry',
                    938:                   sprintf('./%s#dirlist', toggleQuery('sortby', 'log')));
3.120     scop      939:     }
3.131     scop      940:     print "</th>\n";
                    941:   } elsif ($use_descriptions) {
3.199     scop      942:     print "<th>Description</th>\n";
3.131     scop      943:     $infocols++;
3.120     scop      944:   }
3.131     scop      945:   print "</tr>\n";
                    946:
3.120     scop      947:   my $dirrow = 0;
                    948:
                    949:   my $i;
                    950:   lookingforattic:
                    951:   for ($i = 0; $i <= $#dir; $i++) {
                    952:     if ($dir[$i] eq "Attic") {
                    953:       last lookingforattic;
                    954:     }
                    955:   }
                    956:
                    957:   if (!$input{'hideattic'}
                    958:       && ($i <= $#dir)
                    959:       && opendir($dh, $fullname . '/Attic'))
                    960:   {
                    961:     splice(@dir, $i, 1, grep((s|^|Attic/|, !m|/\.|), readdir($dh)));
                    962:     closedir($dh);
                    963:   }
                    964:
                    965:   my $hideAtticToggleLink =
                    966:     $input{'hideattic'}
                    967:     ? ''
                    968:     : &link('[Hide]', sprintf('./%s#dirlist', &toggleQuery('hideattic')));
                    969:
                    970:   # Sort without the Attic/ pathname.
                    971:   # place directories first
                    972:
                    973:   my $attic;
                    974:   my $url;
                    975:   my $fileurl;
                    976:   my $filesexists;
                    977:   my $filesfound;
                    978:
                    979:   foreach my $file (sort { &fileSortCmp } @dir) {
                    980:
3.196     scop      981:     next if ($file eq curdir());
3.120     scop      982:
                    983:     # ignore CVS lock and stale NFS files
                    984:     next if ($file =~ /^\#cvs\.|^,|^\.nfs/); # \# for XEmacs cperl-mode...
                    985:
                    986:     # Check whether to show the CVSROOT path
                    987:     next if ($input{'hidecvsroot'} && $file eq 'CVSROOT');
                    988:
                    989:     # Check whether the module is in the restricted list
                    990:     next if ($file && &forbidden_module($file));
                    991:
3.150     scop      992:     # Is it a directory?
                    993:     my $isdir = -d "$fullname/$file";
                    994:
                    995:     # Ignore non-readable files and directories?
                    996:     next if ($input{'hidenonreadable'} && (! -r _ || ($isdir && ! -x _)));
3.120     scop      997:
                    998:     if ($file =~ s|^Attic/||) {
3.131     scop      999:       $attic = ' (in&nbsp;the&nbsp;Attic)&nbsp;' . $hideAtticToggleLink;
3.120     scop     1000:     } else {
                   1001:       $attic = '';
                   1002:     }
                   1003:
3.196     scop     1004:     if ($file eq updir() || $isdir) {
                   1005:       next if ($file eq updir() && $where eq '/');
3.152     scop     1006:       my ($rev, $date, $log, $author, $filename, $keywordsubst) =
                   1007:         @{$fileinfo{$file}} if (defined($fileinfo{$file}));
3.199     scop     1008:       printf "<tr class=\"%s\">\n<td colspan=\"2\">",
3.132     scop     1009:         ($dirrow % 2) ? 'even' : 'odd';
3.120     scop     1010:
3.196     scop     1011:       if ($file eq updir()) {
3.120     scop     1012:         $url = "../$query";
                   1013:         if ($nofilelinks) {
                   1014:           print $backicon;
                   1015:         } else {
                   1016:           print &link($backicon, $url);
                   1017:         }
                   1018:         print '&nbsp;', &link("Parent Directory", $url);
                   1019:       } else {
                   1020:         $url = './' . urlencode($file) . "/$query";
3.136     scop     1021:         print '<a name="', hrefquote($file), '"></a>';
3.120     scop     1022:
                   1023:         if ($nofilelinks) {
                   1024:           print $diricon;
                   1025:         } else {
                   1026:           print &link($diricon, $url);
                   1027:         }
3.136     scop     1028:         print '&nbsp;', &link(htmlquote("$file/"), $url), $attic;
3.120     scop     1029:
                   1030:         if ($file eq "Attic") {
                   1031:           print "&nbsp; ";
                   1032:           print &link('[Don\'t hide]',
                   1033:                       sprintf('./%s#dirlist', &toggleQuery('hideattic')));
                   1034:         }
                   1035:       }
                   1036:
                   1037:       # Show last change in dir
                   1038:       if ($filename) {
3.199     scop     1039:         print "</td>\n<td>&nbsp;</td>\n<td class=\"age\">";
                   1040:         print readableTime(time() - $date, 0) if $date;
                   1041:         print "</td>\n<td class=\"author\">", htmlquote($author)
                   1042:           if $show_author;
                   1043:         print "</td>\n<td class=\"log\">";
3.120     scop     1044:         $filename =~ s%^[^/]+/%%;
3.199     scop     1045:         print &link(htmlquote("$filename/$rev"),
                   1046:                     sprintf('%s/%s%s#rev%s',
3.206     scop     1047:                             uri_escape($file), uri_escape($filename),
3.208     scop     1048:                             $query, $rev)), '<br />';
3.120     scop     1049:         if ($log) {
3.199     scop     1050:           print htmlify(substr($log, 0, $shortLogLen), $allow_dir_extra);
3.120     scop     1051:           print '...' if (length($log) > 80);
                   1052:         }
3.199     scop     1053:
3.120     scop     1054:       } else {
                   1055:         my $dwhere = ($where ne '/' ? $where : '') . $file;
                   1056:
                   1057:         if ($use_descriptions && defined $descriptions{$dwhere}) {
3.199     scop     1058:           print '<td colspan="', ($infocols - 1), '">';
3.120     scop     1059:           print $descriptions{$dwhere};
                   1060:
3.131     scop     1061:         } elsif ($infocols > 1) {
3.120     scop     1062:
                   1063:           # close the row with the appropriate number of
                   1064:           # columns, so that the vertical seperators are visible
                   1065:           my ($cols) = $infocols;
                   1066:           while ($cols > 1) {
                   1067:             print "</td>\n<td>&nbsp;";
                   1068:             $cols--;
                   1069:           }
                   1070:         }
                   1071:       }
                   1072:
3.131     scop     1073:       print "</td>\n</tr>\n";
3.120     scop     1074:       $dirrow++;
3.131     scop     1075:
3.120     scop     1076:     } elsif ($file =~ s/,v$//) {
                   1077:
                   1078:       # Skip forbidden files now so we'll give no hint
                   1079:       # about their existence.  This should probably have
                   1080:       # been done earlier, but it's straightforward here.
                   1081:       next if forbidden_file("$fullname/$file");
                   1082:
                   1083:       $fileurl   = ($attic ? 'Attic/' : '') . urlencode($file);
                   1084:       $url       = './' . $fileurl . $query;
                   1085:       $filesexists++;
                   1086:       next if (!defined($fileinfo{$file}));
3.152     scop     1087:       my ($rev, $date, $log, $author, $filename, $keywordsubst) =
                   1088:         @{$fileinfo{$file}};
3.156     scop     1089:       my $isbinary = $keywordsubst eq 'b' ? 1 : 0;
3.120     scop     1090:       $filesfound++;
3.156     scop     1091:
3.199     scop     1092:       printf "<tr class=\"%s\">\n", ($dirrow % 2) ? 'even' : 'odd';
3.132     scop     1093:       printf '<td%s>', $allow_cvsgraph ? '' : ' colspan="2"';
3.120     scop     1094:
3.156     scop     1095:       my $icon = $isbinary ? $binfileicon : $fileicon;
3.120     scop     1096:       if ($nofilelinks) {
3.152     scop     1097:         print $icon;
3.120     scop     1098:       } else {
3.152     scop     1099:         print &link($icon, $url);
3.120     scop     1100:       }
                   1101:       print '&nbsp;', &link(htmlquote($file), $url), $attic;
3.199     scop     1102:       print '</td><td class="graph">', graph_link($fileurl) if $allow_cvsgraph;
3.219     scop     1103:       print "</td>\n<td width=\"30\">", display_link($fileurl, $rev);
3.199     scop     1104:       print "</td>\n<td class=\"age\">";
                   1105:       print readableTime(time() - $date, 0) if $date;
                   1106:       print "</td>\n<td class=\"author\">", htmlquote($author) if $show_author;
                   1107:       print "</td>\n<td class=\"log\">";
3.120     scop     1108:
                   1109:       if ($log) {
3.199     scop     1110:         print htmlify(substr($log, 0, $shortLogLen), $allow_dir_extra);
3.120     scop     1111:         print '...' if (length $log > 80);
                   1112:       }
3.131     scop     1113:       print "</td>\n</tr>";
3.120     scop     1114:       $dirrow++;
                   1115:     }
                   1116:     print "\n";
                   1117:   }
                   1118:
3.131     scop     1119:   print "</table>\n";
3.120     scop     1120:
3.150     scop     1121:   if ((my $num = scalar(@unreadable)) && ! $input{hidenonreadable}) {
                   1122:     printf(<<EOF, $num, htmlquote(join(', ', @unreadable)));
                   1123: <p>
3.208     scop     1124:  <b>NOTE:</b> The following %d unreadable files were ignored:<br />
3.150     scop     1125:  <em>%s</em>
                   1126: </p>
                   1127: EOF
                   1128:   }
                   1129:
3.120     scop     1130:   if ($filesexists && !$filesfound) {
3.150     scop     1131:     my $currtag = defined($input{only_with_tag}) ?
                   1132:       sprintf(' (%s)', htmlquote($input{only_with_tag})) : '';
                   1133:     printf(<<EOF, $filesexists, $currtag);
                   1134: <p>
                   1135:  <b>NOTE:</b> There are %d files, but none matches the current tag%s.
                   1136: </p>
                   1137: EOF
3.120     scop     1138:   }
                   1139:
                   1140:   if ($input{only_with_tag} && (!%tags || !$tags{$input{only_with_tag}})) {
                   1141:     %tags = %alltags;
                   1142:   }
                   1143:
                   1144:   if (scalar %tags
                   1145:       || $input{only_with_tag}
                   1146:       || $edit_option_form
                   1147:       || defined($input{"options"}))
                   1148:   {
3.208     scop     1149:     print "<hr />\n";
3.120     scop     1150:   }
                   1151:
                   1152:   if (scalar %tags || $input{only_with_tag}) {
3.208     scop     1153:     print "<form method=\"get\" action=\"./\">\n<p>\n";
3.120     scop     1154:     foreach my $var (@stickyvars) {
3.208     scop     1155:       printf("<input type=\"hidden\" name=\"$var\" value=\"%s\" />\n",
3.154     scop     1156:              htmlquote($input{$var}))
3.120     scop     1157:         if (defined($input{$var})
                   1158:             && (!defined($DEFAULTVALUE{$var})
                   1159:                 || $input{$var} ne $DEFAULTVALUE{$var})
                   1160:             && $var ne 'only_with_tag');
                   1161:     }
3.208     scop     1162:     printf(<<EOF, ($use_java_script ? ' onchange="this.form.submit()"' : ''));
                   1163: <label for="only_with_tag" accesskey="T">Show only files with tag:
                   1164: <select id="only_with_tag" name="only_with_tag"%s>
                   1165: <option value="">All tags / default branch</option>
                   1166: EOF
3.120     scop     1167:     foreach my $tag (reverse sort { lc $a cmp lc $b } keys %tags) {
3.136     scop     1168:       my $selected =
                   1169:         defined($input{only_with_tag}) && $input{only_with_tag} eq $tag;
                   1170:       printf("<option%s>%s</option>\n",
3.208     scop     1171:              $selected ? ' selected="selected"' : '',
3.136     scop     1172:              htmlquote($tag));
3.120     scop     1173:     }
3.208     scop     1174:     printf(<<EOF, htmlquote($where));
                   1175: </select>
                   1176: </label>&nbsp;<label for="path" accesskey="P">Module path or alias:
                   1177: <input type="text" id="path" name="path" value="%s" size="15" /></label>
                   1178: <input type="submit" value="Go" accesskey="G" />
                   1179: </p>
                   1180: </form>
                   1181: EOF
3.120     scop     1182:   }
                   1183:
3.188     scop     1184:   if ($allow_tar && $filesfound) {
3.120     scop     1185:     my ($basefile) = ($where =~ m,(?:.*/)?([^/]+),);
3.192     scop     1186:     my $havetar = $CMD{tar} && $CMD{gzip};
                   1187:     my $havezip = $CMD{zip};
                   1188:     if (defined($basefile) && $basefile ne '' && ($havetar || $havezip)) {
3.203     scop     1189:       my $q = ($query ? "$query;" : '?') . 'tarball=1';
3.208     scop     1190:       print "<hr />\n",
3.189     scop     1191:         '<div style="text-align: center">Download this directory in ';
3.192     scop     1192:       # Mangle the filename so browsers show a reasonable filename to download.
                   1193:       my @types = ();
                   1194:       push(@types, &link('tarball', "$basefile.tar.gz$q")) if $havetar;
                   1195:       push(@types, &link('zip archive', "$basefile.zip$q")) if $havezip;
                   1196:       print join(' or ', @types), "</div>\n";
3.120     scop     1197:     }
                   1198:   }
                   1199:
                   1200:   if ($edit_option_form || defined($input{"options"})) {
                   1201:
                   1202:     my $formwhere = $scriptwhere;
                   1203:     $formwhere =~ s|Attic/?$|| if ($input{'hideattic'});
                   1204:
3.149     scop     1205:     print <<EOF;
                   1206: <form method="get" action="${formwhere}">
3.189     scop     1207: <fieldset>
                   1208: <legend>General options</legend>
3.208     scop     1209: <input type="hidden" name="copt" value="1" />
3.149     scop     1210: EOF
3.120     scop     1211:     if ($cvstree ne $cvstreedefault) {
3.208     scop     1212:       print "<input type=\"hidden\" name=\"cvsroot\" value=\"$cvstree\" />\n";
3.120     scop     1213:     }
3.149     scop     1214:     print <<EOF;
3.189     scop     1215: <table>
3.149     scop     1216: <tr>
3.189     scop     1217: <td class="opt-label">
                   1218: <label for="sortby" accesskey="F">Sort files by:</label>
                   1219: </td>
                   1220: <td class="opt-value">
3.149     scop     1221: <select id="sortby" name="sortby">
                   1222: <option value="">File</option>
                   1223: EOF
3.208     scop     1224:     print "<option", $bydate ? ' selected="selected"' : '',
3.120     scop     1225:       " value=\"date\">Age</option>\n";
3.208     scop     1226:     print "<option", $byauthor ? ' selected="selected"' : '',
3.120     scop     1227:       " value=\"author\">Author</option>\n"
3.140     scop     1228:         if $show_author;
3.208     scop     1229:     print "<option", $byrev ? ' selected="selected"' : '',
3.120     scop     1230:       " value=\"rev\">Revision</option>\n";
3.208     scop     1231:     print "<option", $bylog ? ' selected="selected"' : '',
3.120     scop     1232:       " value=\"log\">Log message</option>\n";
3.189     scop     1233:     print <<EOF;
                   1234: </select>,
                   1235: <label for="ignorecase" accesskey="I">case-insensitive:
                   1236: EOF
                   1237:     print '<input id="ignorecase" name="ignorecase" type="checkbox"',
3.208     scop     1238:       $input{ignorecase} ? ' checked="checked"' : '',
                   1239:         " value=\"1\" /></label>\n";
3.189     scop     1240:     print <<EOF;
                   1241: </td>
                   1242: <td class="opt-label">
                   1243: <label for="hideattic" accesskey="A">Hide files in Attic:</label>
                   1244: </td>
                   1245: <td class="opt-value">
                   1246: EOF
                   1247:     print '<input id="hideattic" name="hideattic" type="checkbox"',
3.208     scop     1248:       $input{hideattic} ? ' checked="checked"' : '', ' value="1" />';
3.189     scop     1249:     print <<EOF;
                   1250: </td>
                   1251: </tr>
                   1252: <tr>
                   1253: <td class="opt-label">
                   1254: <label for="logsort" accesskey="L">Sort log by:</label>
                   1255: </td>
                   1256: <td class="opt-value">
                   1257: EOF
3.120     scop     1258:     printLogSortSelect(0);
3.189     scop     1259:     print <<EOF;
                   1260: </td>
                   1261: <td class="opt-label">
                   1262: <label for="ln" accesskey="N">Show line numbers:</label>
                   1263: </td>
                   1264: <td class="opt-value">
                   1265: EOF
                   1266:     print '<input id="ln" name="ln" type="checkbox"',
3.208     scop     1267:       $input{ln} ? ' checked="checked"' : '', " value=\"1\" />\n";
3.189     scop     1268:     print <<EOF;
                   1269: </td>
                   1270: </tr>
                   1271: <tr>
                   1272: <td class="opt-label">
                   1273: <label for="f" accesskey="D">Diff format:</label>
                   1274: </td>
                   1275: <td>
                   1276: EOF
3.120     scop     1277:     printDiffSelect(0);
3.149     scop     1278:     print <<EOF;
3.189     scop     1279: </td>
                   1280: <td colspan="2" class="opt-label">
3.208     scop     1281: <input type="submit" value="Change Options" accesskey="C" />
3.189     scop     1282: </td>
3.149     scop     1283: </tr>
                   1284: </table>
3.189     scop     1285: </fieldset>
3.149     scop     1286: </form>
                   1287: EOF
3.120     scop     1288:   }
                   1289:   html_footer();
3.80      knu      1290: }
3.1       knu      1291:
                   1292: ###############################
                   1293: # View Files
                   1294: ###############################
3.80      knu      1295: elsif (-f $fullname . ',v') {
3.114     scop     1296:
3.120     scop     1297:   if (forbidden_file($fullname)) {
                   1298:     fatal('403 Forbidden',
                   1299:           'Access forbidden.  This file is mentioned in @ForbiddenFiles');
                   1300:     return;
                   1301:   }
                   1302:
                   1303:   if (defined($input{'rev'}) || $doCheckout) {
                   1304:     &doCheckout($fullname, $input{'rev'});
                   1305:     gzipclose();
                   1306:     exit;
                   1307:   }
                   1308:
                   1309:   if (defined($input{'annotate'}) && $allow_annotate) {
                   1310:     &doAnnotate($input{'annotate'});
                   1311:     gzipclose();
                   1312:     exit;
                   1313:   }
                   1314:
                   1315:   if (defined($input{'r1'}) && defined($input{'r2'})) {
                   1316:     &doDiff($fullname,    $input{'r1'},  $input{'tr1'},
                   1317:             $input{'r2'}, $input{'tr2'}, $input{'f'});
                   1318:     gzipclose();
                   1319:     exit;
                   1320:   }
3.132     scop     1321:
3.170     scop     1322:   if ($allow_cvsgraph && $input{graph}) {
                   1323:     if ($input{makeimage}) {
                   1324:       doGraph();
3.132     scop     1325:     } else {
3.170     scop     1326:       doGraphView();
3.132     scop     1327:     }
                   1328:     gzipclose();
                   1329:     exit;
                   1330:   }
                   1331:
3.120     scop     1332:   &doLog($fullname);
                   1333:
                   1334:   ##############################
                   1335:   # View Diff
                   1336:   ##############################
                   1337: } elsif ($fullname =~ s/\.diff$//
                   1338:          && -f $fullname . ",v"
                   1339:          && $input{'r1'}
                   1340:          && $input{'r2'})
                   1341: {
                   1342:
                   1343:   # $where-diff-removal if 'cvs rdiff' is used
                   1344:   # .. but 'cvs rdiff'doesn't support some options
                   1345:   # rcsdiff does (-w and -p), so it is disabled
                   1346:   # $where =~ s/\.diff$//;
                   1347:
3.189     scop     1348:   # Allow diffs using the ".diff" extension so that browsers that default
                   1349:   # to the filename in the URL when saving don't save diffs as eg. foo.c.
3.120     scop     1350:   &doDiff($fullname,    $input{'r1'},  $input{'tr1'},
                   1351:           $input{'r2'}, $input{'tr2'}, $input{'f'});
                   1352:   gzipclose();
                   1353:   exit;
                   1354: } elsif (($newname = $fullname) =~ s|/([^/]+)$|/Attic/$1|
                   1355:   && -f $newname . ",v")
                   1356: {
                   1357:
                   1358:   # The file has been removed and is in the Attic.
                   1359:   # Send a redirect pointing to the file in the Attic.
                   1360:   (my $newplace = $scriptwhere) =~ s|/([^/]+)$|/Attic/$1|;
                   1361:   if ($ENV{QUERY_STRING} ne "") {
                   1362:     redirect("${newplace}?$ENV{QUERY_STRING}");
                   1363:   } else {
                   1364:     redirect($newplace);
                   1365:   }
                   1366:   exit;
3.80      knu      1367: } elsif (0 && (my @files = &safeglob($fullname . ",v"))) {
3.120     scop     1368:   http_header("text/plain");
                   1369:   print "You matched the following files:\n";
                   1370:   print join ("\n", @files);
3.80      knu      1371:
3.120     scop     1372:   # Find the tags from each file
                   1373:   # Display a form offering diffs between said tags
3.80      knu      1374: } else {
3.120     scop     1375:   my $fh = do { local (*FH); };
                   1376:   my ($xtra, $module);
3.80      knu      1377:
3.120     scop     1378:   # Assume it's a module name with a potential path following it.
                   1379:   $xtra = (($module = $where) =~ s|/.*||) ? $& : '';
3.80      knu      1380:
3.120     scop     1381:   # Is there an indexed version of modules?
                   1382:   if (open($fh, "< $cvsroot/CVSROOT/modules")) {
                   1383:     while (<$fh>) {
                   1384:       if (/^(\S+)\s+(\S+)/o
                   1385:           && $module eq $1
                   1386:           && -d "$cvsroot/$2"
                   1387:           && $module ne $2)
                   1388:       {
                   1389:         redirect("$scriptname/$2$xtra$query");
                   1390:       }
                   1391:     }
                   1392:   }
                   1393:   fatal("404 Not Found", '%s: no such file or directory', $where);
3.80      knu      1394: }
3.23      knu      1395:
3.25      knu      1396: gzipclose();
3.80      knu      1397:
3.1       knu      1398: ## End MAIN
                   1399:
3.175     scop     1400:
3.120     scop     1401: sub printDiffSelect($)
                   1402: {
                   1403:   my ($use_java_script) = @_;
                   1404:
                   1405:   print '<select id="f" name="f"';
                   1406:   print ' onchange="this.form.submit()"' if $use_java_script;
                   1407:   print ">\n";
                   1408:
3.175     scop     1409:   for my $difftype (@DIFFTYPES) {
3.120     scop     1410:     printf("<option value=\"%s\"%s>%s</option>\n",
3.208     scop     1411:            $difftype, $input{f} eq $difftype ? ' selected="selected"' : '',
3.175     scop     1412:            "\u$DIFFTYPES{$difftype}{descr}");
3.120     scop     1413:   }
                   1414:
                   1415:   print "</select>";
                   1416: }
                   1417:
3.175     scop     1418:
3.168     scop     1419: sub printDiffSelectStickyVars()
                   1420: {
                   1421:   while (my ($key, $val) = each %input) {
                   1422:     next if ($key eq 'f');
                   1423:     next if (defined($DEFAULTVALUE{$key}) && $DEFAULTVALUE{$key} eq $val);
3.206     scop     1424:     print "<input type=\"hidden\" name=\"", htmlquote($key), "\" value=\"",
3.208     scop     1425:       htmlquote($val), "\" />\n";
3.168     scop     1426:   }
                   1427: }
                   1428:
3.175     scop     1429:
3.120     scop     1430: sub printLogSortSelect($)
                   1431: {
                   1432:   my ($use_java_script) = @_;
                   1433:
                   1434:   print '<select id="logsort" name="logsort"';
                   1435:   print ' onchange="this.form.submit()"' if $use_java_script;
                   1436:   print ">\n";
                   1437:
3.175     scop     1438:   for my $sortkey (@LOGSORTKEYS) {
3.120     scop     1439:     printf("<option value=\"%s\"%s>%s</option>\n",
3.208     scop     1440:            $sortkey, $logsort eq $sortkey ? ' selected="selected"' : '',
3.175     scop     1441:            "\u$LOGSORTKEYS{$sortkey}{descr}");
3.120     scop     1442:   }
                   1443:
                   1444:   print "</select>";
                   1445: }
                   1446:
3.175     scop     1447:
3.197     scop     1448: #
                   1449: # Find the last modified, version controlled files in the given directories.
                   1450: # Compares solely based on modification timestamps.  Files in the returned list
                   1451: # are without the ,v suffix, and unreadable files have been filtered out.
                   1452: #
3.120     scop     1453: sub findLastModifiedSubdirs(@)
                   1454: {
                   1455:   my (@dirs) = @_;
                   1456:
3.175     scop     1457:   my @files;
                   1458:   foreach my $dirname (@dirs) {
3.196     scop     1459:     next if ($dirname eq curdir() || $dirname eq updir());
                   1460:     my $dir = catdir($fullname, $dirname);
3.120     scop     1461:     next if (!-d $dir);
                   1462:
                   1463:     my $dh = do { local (*DH); };
                   1464:     opendir($dh, $dir) or next;
                   1465:     my (@filenames) = readdir($dh);
                   1466:     closedir($dh);
                   1467:
3.175     scop     1468:     my $lastmod     = undef;
                   1469:     my $lastmodtime = undef;
3.120     scop     1470:     foreach my $filename (@filenames) {
3.197     scop     1471:       ($filename) =
                   1472:         (catfile($dirname, $filename) =~ VALID_PATH) or next; # untaint
3.196     scop     1473:       my ($file) = catfile($fullname, $filename);
3.197     scop     1474:       next if ($filename !~ /,v$/o || !-f $file || !-r _);
3.120     scop     1475:
                   1476:       # Skip forbidden files.
                   1477:       (my $f = $file) =~ s/,v$//;
                   1478:       next if forbidden_file($f);
                   1479:
                   1480:       $filename =~ s/,v$//;
3.197     scop     1481:       my $modtime = -M _;
3.221     scop     1482:
3.120     scop     1483:       if (!defined($lastmod) || $modtime < $lastmodtime) {
                   1484:         $lastmod     = $filename;
                   1485:         $lastmodtime = $modtime;
                   1486:       }
                   1487:     }
3.175     scop     1488:     push(@files, $lastmod) if (defined($lastmod));
3.120     scop     1489:   }
                   1490:   return @files;
                   1491: }
                   1492:
3.175     scop     1493:
3.120     scop     1494: sub htmlify_sub(&$)
                   1495: {
                   1496:   (my $proc, local $_) = @_;
                   1497:   my @a = split (m`(<a [^>]+>[^<]*</a>)`i);
                   1498:   my $linked;
                   1499:   my $result = '';
                   1500:
                   1501:   while (($_, $linked) = splice(@a, 0, 2)) {
                   1502:     &$proc();
                   1503:     $result .= $_      if defined($_);
                   1504:     $result .= $linked if defined($linked);
                   1505:   }
                   1506:
3.175     scop     1507:   return $result;
3.120     scop     1508: }
                   1509:
3.175     scop     1510:
3.120     scop     1511: sub htmlify($;$)
                   1512: {
                   1513:   (local $_, my $extra) = @_;
                   1514:
                   1515:   $_ = htmlquote($_);
                   1516:
                   1517:   # get URL's as link
                   1518:   s{
3.130     scop     1519:     ((https?|ftp)://.+?)([\s\']|&(quot|[lg]t);)
3.120     scop     1520:    }{
3.130     scop     1521:      &link($1, htmlunquote($1)) . $3
3.120     scop     1522:    }egx;
                   1523:
                   1524:   # get e-mails as link
                   1525:   $_ = htmlify_sub {
                   1526:     s<
                   1527:       [\w+=\-.!]+@[\w\-]+(\.[\w\-]+)+
                   1528:      ><
                   1529:        &link($&, "mailto:$&")
                   1530:      >egix;
                   1531:   } $_;
                   1532:
                   1533:   if ($extra) {
                   1534:
                   1535:     # get PR #'s as link: "PR#nnnn" "PR: nnnn, ..." "PR nnnn, ..." "bin/nnnn"
                   1536:     if (defined($prcgi) && defined($re_prkeyword)) {
                   1537:       my $prev;
                   1538:
                   1539:       do {
                   1540:         $prev = $_;
                   1541:
                   1542:         $_ = htmlify_sub {
                   1543:           s{
                   1544:             (\b$re_prkeyword[:\#]?\s*
                   1545:              (?:
                   1546:               \#?
                   1547:               \d+[,\s]\s*
                   1548:              )*
                   1549:              \#?)
                   1550:             (\d+)\b
                   1551:            }{
                   1552:              $1 . &link($2, sprintf($prcgi, $2))
                   1553:            }egix;
                   1554:         } $_;
                   1555:       } while ($_ ne $prev);
                   1556:
                   1557:       if (defined($re_prcategories)) {
                   1558:         $_ = htmlify_sub {
                   1559:           s{
                   1560:             (\b$re_prcategories/(\d+)\b)
                   1561:            }{
                   1562:              &link($1, sprintf($prcgi, $2))
                   1563:            }egox;
                   1564:         } $_;
                   1565:       }
                   1566:     }
                   1567:
                   1568:     # get manpage specs as link: "foo.1" "foo(1)"
                   1569:     if (defined($mancgi)) {
                   1570:       $_ = htmlify_sub {
                   1571:         s{
3.143     knu      1572:           (
                   1573:            \b ( \w[\w+\-.]* (?: ::\w[\w+\-.]*)* )
3.120     scop     1574:            (?:
3.143     knu      1575:             \( ([0-9n]) \) \B
3.120     scop     1576:             |
3.143     knu      1577:             \. ([0-9n]) \b
3.120     scop     1578:            )
                   1579:           )
                   1580:          }{
3.149     scop     1581:             my($text, $name, $section) = ($1, $2, defined($3) ? $3 : $4);
                   1582:             ($name =~ /[A-Za-z]/ && $name !~ /\.(:|$)/)
                   1583:              ? &link($text, sprintf($mancgi, $section, $name))
                   1584:               : $text;
3.120     scop     1585:          }egx;
                   1586:       } $_;
                   1587:     }
                   1588:   }
                   1589:
3.175     scop     1590:   return $_;
3.120     scop     1591: }
                   1592:
3.175     scop     1593:
3.120     scop     1594: sub spacedHtmlText($;$)
                   1595: {
3.175     scop     1596:   (local $_, my $ts) = @_;
3.224   ! scop     1597:   return '' unless defined($_);
3.175     scop     1598:   $ts ||= $tabstop;
3.120     scop     1599:
                   1600:   # Cut trailing spaces and tabs
                   1601:   s/[ \t]+$//;
                   1602:
                   1603:   if (defined($ts)) {
                   1604:
                   1605:     # Expand tabs
                   1606:     1 while s/\t+/' ' x (length($&) * $ts - length($`) % $ts)/e;
                   1607:   }
                   1608:
                   1609:   # replace <tab> and <space> (\001 is to protect us from htmlify)
                   1610:   # gzip can make excellent use of this repeating pattern :-)
                   1611:   if ($hr_breakable) {
                   1612:
                   1613:     # make every other space 'breakable'
                   1614:     s/  / \001nbsp;/g;    # 2 * <space>
                   1615:                           # leave single space as it is
                   1616:   } else {
                   1617:     s/ /\001nbsp;/g;
                   1618:   }
                   1619:
                   1620:   $_ = htmlify($_, $allow_source_extra);
                   1621:
                   1622:   # unescape
                   1623:   y/\001/&/;
                   1624:
                   1625:   return $_;
                   1626: }
                   1627:
3.175     scop     1628:
3.120     scop     1629: # Note that this doesn't htmlquote the first argument...
                   1630: sub link($$)
                   1631: {
                   1632:   my ($name, $url) = @_;
                   1633:
                   1634:   $url =~ s/:/sprintf("%%%02x", ord($&))/eg
                   1635:     if $url =~ /^[^a-z]/;    # relative
                   1636:
                   1637:   sprintf '<a href="%s">%s</a>', hrefquote($url), $name;
                   1638: }
                   1639:
3.175     scop     1640:
3.120     scop     1641: sub revcmp($$)
                   1642: {
                   1643:   my ($rev1, $rev2) = @_;
                   1644:
                   1645:   # make no comparison for a tag or a branch
                   1646:   return 0 if $rev1 =~ /[^\d.]/ || $rev2 =~ /[^\d.]/;
                   1647:
                   1648:   my (@r1) = split (/\./, $rev1);
                   1649:   my (@r2) = split (/\./, $rev2);
                   1650:   my ($a, $b);
                   1651:
                   1652:   while (($a = shift (@r1)) && ($b = shift (@r2))) {
                   1653:     if ($a != $b) {
                   1654:       return $a <=> $b;
                   1655:     }
                   1656:   }
                   1657:   if (@r1) { return  1; }
                   1658:   if (@r2) { return -1; }
                   1659:   return 0;
                   1660: }
                   1661:
3.175     scop     1662:
3.120     scop     1663: sub fatal($$@)
                   1664: {
                   1665:   my ($errcode, $format, @args) = @_;
3.185     scop     1666:   print "Status: $errcode\r\n";
3.131     scop     1667:   html_header('Error');
3.215     scop     1668:   print '<div id="error">Error: ',
                   1669:     sprintf($format, map(htmlquote($_), @args)), "</div>\n";
3.120     scop     1670:   html_footer();
                   1671:   exit(1);
                   1672: }
                   1673:
3.175     scop     1674:
3.120     scop     1675: sub redirect($)
                   1676: {
                   1677:   my ($url) = @_;
3.185     scop     1678:   print "Status: 301 Moved\r\n", "Location: $url\r\n";
3.131     scop     1679:   html_header('Moved');
3.120     scop     1680:   print "<p>This document is located ", &link('here', $url), "</p>\n";
                   1681:   html_footer();
                   1682:   exit(1);
                   1683: }
                   1684:
3.175     scop     1685:
3.120     scop     1686: sub safeglob($)
                   1687: {
                   1688:   my ($filename) = @_;
                   1689:
3.175     scop     1690:   (my $dirname = $filename) =~ s|/[^/]+$||;
3.120     scop     1691:   $filename =~ s|.*/||;
                   1692:
3.175     scop     1693:   my @results;
                   1694:   my $dh = do { local (*DH); };
3.120     scop     1695:   if (opendir($dh, $dirname)) {
                   1696:     my $glob = $filename;
                   1697:     my $t;
                   1698:
3.149     scop     1699:     #   transform filename from glob to regex.  Deal with:
                   1700:     #   [, {, ?, * as glob chars
                   1701:     #   make sure to escape all other regex chars
3.120     scop     1702:     $glob =~ s/([\.\(\)\|\+])/\\$1/g;
                   1703:     $glob =~ s/\*/.*/g;
                   1704:     $glob =~ s/\?/./g;
                   1705:     $glob =~ s/{([^}]+)}/($t = $1) =~ s-,-|-g; "($t)"/eg;
3.222     scop     1706:     $glob = qr/^$glob$/;
                   1707:
3.120     scop     1708:     foreach (readdir($dh)) {
3.222     scop     1709:       if ($_ =~ $glob && $_ =~ VALID_PATH) {
3.194     scop     1710:         push(@results, catfile($dirname, $1)); # untaint
3.120     scop     1711:       }
                   1712:     }
                   1713:     closedir($dh);
                   1714:   }
                   1715:
3.175     scop     1716:   return @results;
3.120     scop     1717: }
                   1718:
3.160     scop     1719:
3.120     scop     1720: sub search_path($)
                   1721: {
                   1722:   my ($command) = @_;
3.160     scop     1723:   for my $d (split (/:/, $command_path)) {
3.120     scop     1724:     return "$d/$command" if -x "$d/$command";
                   1725:   }
                   1726:   return '';
                   1727: }
                   1728:
3.156     scop     1729:
3.219     scop     1730: #
                   1731: # Gets the enscript(1) highlight mode corresponding to the given filename,
                   1732: # or undef if unsupported.
                   1733: #
                   1734: sub getEnscriptHL($)
                   1735: {
                   1736:   return undef unless $allow_enscript;
                   1737:   my ($filename) = @_;
                   1738:   while (my ($hl, $regex) = each %enscript_types) {
                   1739:     return $hl if ($filename =~ $regex);
                   1740:   }
                   1741:   return undef;
                   1742: }
                   1743:
                   1744:
                   1745: #
                   1746: # Gets the MIME type for the given file name.
                   1747: #
3.156     scop     1748: sub getMimeType($;$)
3.120     scop     1749: {
3.156     scop     1750:   my ($fullname, $binary) = @_;
                   1751:   $binary = ($keywordsubstitution && $keywordsubstitution =~ /b/)
                   1752:     unless defined($binary);
                   1753:
                   1754:   (my $suffix = $fullname) =~ s/^.*\.([^.]*)$/$1/;
                   1755:
                   1756:   my $mimetype = $MTYPES{$suffix};
                   1757:   $mimetype  ||= $MimeTypes->mimeTypeOf($fullname) if defined($MimeTypes);
                   1758:
                   1759:   if (!$mimetype && $suffix ne '*' && -f $mime_types && -r _) {
                   1760:     my $fh = do { local (*FH); };
                   1761:     if (open($fh, $mime_types)) {
                   1762:       my $re = sprintf('^\s*(\S+\/\S+)\s.+\b%s\b', quotemeta($suffix));
3.222     scop     1763:       $re = qr/$re/;
3.156     scop     1764:       while (my $line = <$fh>) {
                   1765:         if ($line =~ $re) {
                   1766:           $mimetype = $1;
                   1767:           $MTYPES{$suffix} = $mimetype;
                   1768:           last;
                   1769:         }
3.120     scop     1770:       }
3.156     scop     1771:       close($fh);
                   1772:     } else {
                   1773:       warn("Can't open MIME types file $mime_types for reading: $!");
3.120     scop     1774:     }
                   1775:   }
                   1776:
3.156     scop     1777:   $mimetype ||= $MTYPES{'*'};
                   1778:   $mimetype ||= $binary ? 'application/octet-stream' : 'text/plain';
3.120     scop     1779:   return $mimetype;
3.1       knu      1780: }
                   1781:
3.156     scop     1782:
3.1       knu      1783: ###############################
3.24      knu      1784: # read first lines like head(1)
                   1785: ###############################
3.120     scop     1786: sub head($;$)
                   1787: {
3.175     scop     1788:   my ($fh, $linecount) = @_;
                   1789:   $linecount ||= 10;
3.24      knu      1790:
3.120     scop     1791:   my @buf;
                   1792:   if ($linecount > 0) {
3.184     scop     1793:     for (my $i = 0; !eof($fh) && $i < $linecount; $i++) {
3.120     scop     1794:       push @buf, scalar <$fh>;
                   1795:     }
                   1796:   } else {
                   1797:     @buf = <$fh>;
                   1798:   }
3.175     scop     1799:   return @buf;
                   1800: }
3.120     scop     1801:
3.24      knu      1802:
                   1803: ###############################
                   1804: # scan vim and Emacs directives
                   1805: ###############################
3.120     scop     1806: sub scan_directives(@)
                   1807: {
                   1808:   my $ts = undef;
3.24      knu      1809:
3.120     scop     1810:   for (@_) {
                   1811:     $ts = $1 if /\b(?:ts|tabstop|tab-width)[:=]\s*([1-9]\d*)\b/;
                   1812:   }
3.24      knu      1813:
3.120     scop     1814:   ('tabstop' => $ts);
3.24      knu      1815: }
                   1816:
3.175     scop     1817:
3.120     scop     1818: sub openOutputFilter()
                   1819: {
3.175     scop     1820:   return unless $output_filter;
3.86      knu      1821:
3.120     scop     1822:   open(STDOUT, "|-") and return;
3.86      knu      1823:
3.120     scop     1824:   # child of child
3.165     scop     1825:   open(STDERR, '>', devnull());
3.120     scop     1826:   exec($output_filter) or exit -1;
3.86      knu      1827: }
                   1828:
3.175     scop     1829:
3.24      knu      1830: ###############################
3.1       knu      1831: # show Annotation
                   1832: ###############################
3.133     scop     1833: sub doAnnotate($)
3.120     scop     1834: {
                   1835:   my ($rev) = @_;
3.174     scop     1836:   (my $pathname = $where) =~ s/(Attic\/)?[^\/]*$//;
                   1837:   (my $filename = $where) =~ s/^.*\///;
3.126     scop     1838:
3.174     scop     1839:   # This annotate version is based on the cvs annotate-demo Perl script by
                   1840:   # Cyclic Software.  It was written by Cyclic Software,
                   1841:   # http://www.cyclic.com/, and is in the public domain.
                   1842:   # We could abandon the use of rlog, rcsdiff and co using
                   1843:   # the cvs server in a similiar way one day (..after rewrite).
                   1844:
                   1845:   local (*CVS_IN, *CVS_OUT);
3.215     scop     1846:   my $annotate_err;
3.174     scop     1847:   my ($h, $err) =
                   1848:     startproc([ $CMD{cvs}, @annotate_options, 'server' ],
3.215     scop     1849:               '<pipe', \*CVS_IN, '>pipe', \*CVS_OUT,
                   1850:               '2>', \$annotate_err, timeout(30));
                   1851:   fatal('500 Internal Error',
                   1852:         'Annotate failure (exit status %s), output: <pre>%s</pre>',
                   1853:         $? >> 8 || -1, $err)
                   1854:     unless $h;
3.120     scop     1855:
                   1856:   # OK, first send the request to the server.  A simplified example is:
                   1857:   #     Root /home/kingdon/zwork/cvsroot
                   1858:   #     Argument foo/xx
                   1859:   #     Directory foo
                   1860:   #     /home/kingdon/zwork/cvsroot/foo
                   1861:   #     Directory .
                   1862:   #     /home/kingdon/zwork/cvsroot
                   1863:   #     annotate
                   1864:   # although as you can see there are a few more details.
                   1865:
3.174     scop     1866:   print CVS_IN "Root $cvsroot\n";
                   1867:   print CVS_IN
3.120     scop     1868:     "Valid-responses ok error Valid-requests Checked-in Updated Merged Removed M E\n";
                   1869:
                   1870:   # Don't worry about sending valid-requests, the server just needs to
                   1871:   # support "annotate" and if it doesn't, there isn't anything to be done.
3.174     scop     1872:   print CVS_IN "UseUnchanged\n";
                   1873:   print CVS_IN "Argument -r\n";
                   1874:   print CVS_IN "Argument $rev\n";
                   1875:   print CVS_IN "Argument $where\n";
3.120     scop     1876:
                   1877:   # The protocol requires us to fully fake a working directory (at
                   1878:   # least to the point of including the directories down to the one
                   1879:   # containing the file in question).
3.123     scop     1880:   # So if $where is "dir/sdir/file", then dirs will be ("dir","sdir","file")
                   1881:   my $path = '';
                   1882:   foreach my $dir (split('/', $where)) {
3.120     scop     1883:
                   1884:     if ($path eq "") {
3.123     scop     1885:       # In our example, $dir is "dir".
                   1886:       $path = $dir;
3.120     scop     1887:     } else {
3.174     scop     1888:       print CVS_IN "Directory $path\n";
                   1889:       print CVS_IN "$cvsroot/$path\n";
3.120     scop     1890:
                   1891:       # In our example, $_ is "sdir" and $path becomes "dir/sdir"
                   1892:       # And the next time, "file" and "dir/sdir/file" (which then gets
                   1893:       # ignored, because we don't need to send Directory for the file).
3.123     scop     1894:       $path .= "/$dir";
3.120     scop     1895:     }
                   1896:   }
3.123     scop     1897:   undef $path;
3.120     scop     1898:
                   1899:   # And the last "Directory" before "annotate" is the top level.
3.174     scop     1900:   print CVS_IN "Directory .\n";
                   1901:   print CVS_IN "$cvsroot\n";
3.120     scop     1902:
3.174     scop     1903:   print CVS_IN "annotate\n";
3.120     scop     1904:
                   1905:   # OK, we've sent our command to the server.  Thing to do is to
3.215     scop     1906:   # close the writer side and get all the responses.
                   1907:   if (!close(CVS_IN)) {
                   1908:     finish($h);
                   1909:     fatal('500 Internal Error',
                   1910:           'Annotate failure (exit status %s): <code>%s</code>, output: ' .
                   1911:           '<pre>%s</pre>', $? >> 8, $!, $annotate_err);
                   1912:   }
3.120     scop     1913:
3.133     scop     1914:   navigateHeader($scriptwhere, $pathname, $filename, $rev, 'annotate');
3.120     scop     1915:
3.136     scop     1916:   print '<h3 style="text-align: center">Annotation of ',
                   1917:     htmlquote("$pathname$filename"), ", revision $rev</h3>\n";
3.120     scop     1918:
                   1919:   # Ready to get the responses from the server.
                   1920:   # For example:
                   1921:   #     E Annotations for foo/xx
                   1922:   #     E ***************
                   1923:   #     M 1.3          (kingdon  06-Sep-97): hello
                   1924:   #     ok
                   1925:   my ($lineNr) = 0;
                   1926:   my ($oldLrev, $oldLusr) = ("", "");
                   1927:   my ($revprint, $usrprint);
                   1928:
                   1929:   if ($annTable) {
3.179     scop     1930:     print <<EOF;
                   1931: <table style="border: none" cellspacing="0" cellpadding="0" summary="Annotation">
                   1932: EOF
3.120     scop     1933:   } else {
                   1934:     print "<pre>";
                   1935:   }
                   1936:
                   1937:   # prefetch several lines
3.174     scop     1938:   my @buf = head(*CVS_OUT);
3.120     scop     1939:
                   1940:   my %d = scan_directives(@buf);
                   1941:
3.174     scop     1942:   while (@buf || !eof(*CVS_OUT)) {
3.197     scop     1943:
3.174     scop     1944:     $_ = @buf ? shift @buf : <CVS_OUT>;
3.120     scop     1945:     my @words = split;
                   1946:
                   1947:     # Adding one is for the (single) space which follows $words[0].
                   1948:     my $rest = substr($_, length($words[0]) + 1);
                   1949:     if ($words[0] eq "E") {
                   1950:       next;
                   1951:     } elsif ($words[0] eq "M") {
                   1952:       $lineNr++;
                   1953:       (my $lrev = substr($_, 2,  13)) =~ y/ //d;
                   1954:       (my $lusr = substr($_, 16, 9))  =~ y/ //d;
                   1955:       my $line = substr($_, 36);
                   1956:       my $isCurrentRev = ($rev eq $lrev);
                   1957:
                   1958:       # we should parse the date here ..
                   1959:       if ($lrev eq $oldLrev) {
                   1960:         $revprint = sprintf('%-8s', '');
                   1961:       } else {
                   1962:         $revprint = sprintf('%-8s', $lrev);
                   1963:         $revprint =~ s`\S+`&link($&, "$scriptwhere$query#rev$&")`e;    # `
                   1964:         $oldLusr = '';
                   1965:       }
                   1966:
                   1967:       if ($lusr eq $oldLusr) {
                   1968:         $usrprint = '';
                   1969:       } else {
                   1970:         $usrprint = $lusr;
                   1971:       }
                   1972:       $oldLrev = $lrev;
                   1973:       $oldLusr = $lusr;
                   1974:
                   1975:       # Set bold for text-based browsers only - graphical
                   1976:       # browsers show bold fonts a bit wider than regular fonts,
                   1977:       # so it looks irregular.
                   1978:       print "<b>" if ($isCurrentRev && $is_textbased);
                   1979:
3.136     scop     1980:       $usrprint = sprintf('%-8s', $usrprint);
                   1981:       printf '%s%s %s %4d:', $revprint, $isCurrentRev ? '!' : ' ',
                   1982:         htmlquote($usrprint), $lineNr;
3.120     scop     1983:       print spacedHtmlText($line, $d{'tabstop'});
                   1984:
                   1985:       print "</b>" if ($isCurrentRev && $is_textbased);
                   1986:     } elsif ($words[0] eq "ok") {
                   1987:
                   1988:       # We could complain about any text received after this, like the
                   1989:       # CVS command line client.  But for simplicity, we don't.
                   1990:     } elsif ($words[0] eq "error") {
                   1991:       fatal("500 Internal Error",
                   1992:             'Error occured during annotate: <b>%s</b>', $_);
                   1993:     }
                   1994:   }
                   1995:
                   1996:   if ($annTable) {
                   1997:     print "</table>";
                   1998:   } else {
                   1999:     print "</pre>";
                   2000:   }
3.124     scop     2001:   html_footer();
                   2002:
3.174     scop     2003:   finish($h);
3.1       knu      2004: }
                   2005:
                   2006: ###############################
                   2007: # make Checkout
                   2008: ###############################
3.120     scop     2009: sub doCheckout($$)
                   2010: {
                   2011:   my ($fullname, $rev) = @_;
3.194     scop     2012:   $rev = undef if ($rev eq 'HEAD' || $rev eq '.');
3.120     scop     2013:
3.219     scop     2014:   # Start resolving whether we will do a markup view or not.
                   2015:   my $do_markup = undef;
                   2016:   # No markup if markup disallowed.
                   2017:   $do_markup = 0 unless $allow_markup;
                   2018:   # No markup if checkout magic cookie in URL.
                   2019:   $do_markup = 0 if (!defined($do_markup) && $doCheckout);
                   2020:   # Do markup if explicitly asked using cvsweb-markup content type.  If the
                   2021:   # asked content type is anything else, no markup.
                   2022:   if (!defined($do_markup) && $input{'content-type'}) {
3.222     scop     2023:     $do_markup = ($input{'content-type'} =~ CVSWEBMARKUP) ? 1 : 0;
3.219     scop     2024:   }
                   2025:
                   2026:   # Ok, if $do_markup is still undefined, we know that a download has not been
                   2027:   # explicitly asked.  For the last check further down below we'll need to
                   2028:   # know if the file is binary, and possibly run a log on it.
                   2029:   my $needlog = $do_markup || $use_moddate;
3.120     scop     2030:
3.163     scop     2031:   my $moddate = undef;
3.175     scop     2032:   my $revopt;
3.120     scop     2033:   if (defined($rev)) {
                   2034:     $revopt = "-r$rev";
3.219     scop     2035:     if ($needlog) {
3.120     scop     2036:       readLog($fullname, $rev);
                   2037:       $moddate = $date{$rev};
                   2038:     }
                   2039:   } else {
                   2040:     $revopt = "-rHEAD";
3.219     scop     2041:     if ($needlog) {
3.120     scop     2042:       readLog($fullname);
                   2043:       $moddate = $date{$symrev{HEAD}};
                   2044:     }
                   2045:   }
                   2046:
3.194     scop     2047:   my $cr = abs_path($cvsroot) || $cvsroot;
                   2048:   # abs_path() taints when run as a CGI...
                   2049:   if ($cr =~ VALID_PATH) {
                   2050:     $cr = $1;
                   2051:   } else {
                   2052:     fatal('500 Internal Error', 'Illegal CVS root: <code>%s</code>', $cr);
                   2053:   }
3.183     scop     2054:   # Use abs_path() to work around a bug of cvs -p; expand symlinks if we can.
3.194     scop     2055:   my @cmd = ($CMD{cvs}, @cvs_options, '-d', $cr, 'co', '-p', $revopt, $where);
3.183     scop     2056:
3.174     scop     2057:   local (*CVS_OUT, *CVS_ERR);
                   2058:   my ($h, $err) =
                   2059:     startproc(\@cmd, \"", '>pipe', \*CVS_OUT, '2>pipe', \*CVS_ERR,timeout(30));
3.215     scop     2060:   fatal('500 Internal Error',
                   2061:         'Checkout failure (exit status %s), output: <pre>%s</pre>',
                   2062:         $? >> 8 || -1, $err)
                   2063:     unless $h;
3.120     scop     2064:
3.174     scop     2065:   if (eof(CVS_ERR)) {
                   2066:     finish($h);
3.120     scop     2067:     fatal("404 Not Found", '%s is not (any longer) pertinent', $where);
                   2068:   }
                   2069:
                   2070:   #===================================================================
                   2071:   #Checking out squid/src/ftp.c
                   2072:   #RCS:  /usr/src/CVS/squid/src/ftp.c,v
                   2073:   #VERS: 1.1.1.28.6.2
                   2074:   #***************
                   2075:
                   2076:   # Parse CVS header
                   2077:   my ($revision, $filename, $cvsheader);
                   2078:   $filename = "";
3.174     scop     2079:   while (<CVS_ERR>) {
3.120     scop     2080:     last if (/^\*\*\*\*/);
                   2081:     $revision = $1 if (/^VERS: (.*)$/);
                   2082:
                   2083:     if (/^Checking out (.*)$/) {
3.214     scop     2084:       ($filename = $1) =~ s|^\./+||;
3.120     scop     2085:     }
                   2086:     $cvsheader .= $_;
                   2087:   }
3.219     scop     2088:   close(CVS_ERR);
3.120     scop     2089:
                   2090:   if ($filename ne $where) {
3.174     scop     2091:     finish($h);
3.120     scop     2092:     fatal("500 Internal Error",
3.214     scop     2093:           'Unexpected output from cvs co: <pre>%s</pre> ' .
                   2094:           '(expected "<code>%s</code>" but got "<code>%s</code>")',
                   2095:           $cvsheader, $where, $filename);
3.120     scop     2096:   }
                   2097:
3.219     scop     2098:   # Last checks whether we'll do markup or not.
                   2099:   my $isbin = $keywordsubstitution && $keywordsubstitution =~ /b/;
                   2100:   my $mimetype = getMimeType($fullname, $isbin);
                   2101:
                   2102:   # If we still are not sure whether to do markup or not:
                   2103:   # if the MIME type is "viewable" or this is not a binary file, do.
                   2104:   $do_markup = !$isbin || viewable($mimetype) unless defined($do_markup);
                   2105:
                   2106:   if ($do_markup) {
                   2107:
                   2108:     # If this is something we'll be linking to in the markup view, we are
                   2109:     # done with this particular output from "cvs co" and must discard it.
                   2110:     my $linked = $mimetype =~ m{^image/|application/pdf$}i;
                   2111:     if ($linked) {
                   2112:       close(CVS_OUT);
                   2113:       finish($h);
                   2114:     }
                   2115:
3.163     scop     2116:     # Here we know the last modified date, but don't know if tags have been
3.219     scop     2117:     # added afterwards (those are shown in the markup view): no last-modified.
                   2118:     cvswebMarkup(\*CVS_OUT, $fullname, $revision, $isbin, $mimetype, $needlog);
                   2119:
                   2120:     finish($h) unless $linked;
                   2121:
3.120     scop     2122:   } else {
3.163     scop     2123:     http_header($mimetype, $moddate);
3.174     scop     2124:     local $/ = undef;
                   2125:     print <CVS_OUT>;
3.219     scop     2126:     finish($h);
3.120     scop     2127:   }
1.12      fenner   2128: }
                   2129:
3.174     scop     2130:
3.219     scop     2131: sub cvswebMarkup($$$$$$;$)
3.120     scop     2132: {
3.219     scop     2133:   my ($filehandle, $fullname, $rev, $isbin, $mimetype, $logged, $mod) = @_;
3.1       knu      2134:
3.175     scop     2135:   (my $pathname = $where) =~ s/(Attic\/)?[^\/]*$//;
                   2136:   (my $filename = $where) =~ s/^.*\///;
                   2137:   my $fileurl   = urlencode($filename);
3.120     scop     2138:
3.219     scop     2139:   navigateHeader($scriptwhere, $pathname, $filename, $rev, 'view', $mod);
3.120     scop     2140:
3.144     scop     2141:   print <<EOF;
3.208     scop     2142: <hr />
3.182     scop     2143: <div class="log-markup">
                   2144: File:&nbsp;
3.144     scop     2145: EOF
3.219     scop     2146:   print &clickablePath($where, 1), "<br />\n";
3.120     scop     2147:
                   2148:   if ($show_log_in_markup) {
3.219     scop     2149:     readLog($fullname) unless $logged; #,$rev);
                   2150:     printLog($rev, $mimetype, $isbin);
3.120     scop     2151:   } else {
3.219     scop     2152:     print "Version: <b>$rev</b><br />\n";
3.208     scop     2153:     print "Tag: <b>", $input{only_with_tag}, "</b><br />\n"
3.120     scop     2154:       if $input{only_with_tag};
                   2155:   }
3.208     scop     2156:   print "</div>\n<hr />";
3.219     scop     2157:   my $url = download_url($fileurl, $rev, $mimetype);
3.120     scop     2158:
3.219     scop     2159:   if ($mimetype =~ m|^image/|i) {
3.208     scop     2160:     printf '<img src="%s" alt="%s" /><br />',
3.160     scop     2161:       hrefquote("$url$barequery"), htmlquote($filename);
3.219     scop     2162:   } elsif (lc($mimetype) eq 'application/pdf') {
3.208     scop     2163:     printf '<embed src="%s" width="100%%" height="100%%" /><br />',
3.157     scop     2164:       hrefquote("$url$barequery");
3.120     scop     2165:   } else {
                   2166:
3.208     scop     2167:     print "<pre>\n";
3.167     scop     2168:     my $linenumbers = $input{ln} || 0;
3.149     scop     2169:
3.219     scop     2170:     if (my $enscript_hl = getEnscriptHL($filename)) {
3.167     scop     2171:       doEnscript($filehandle, $enscript_hl, $linenumbers);
3.148     scop     2172:
                   2173:     } else {
3.200     scop     2174:       my $ln  = 0;
                   2175:       my @buf = ();
                   2176:       my $ts  = undef;
                   2177:
                   2178:       if ($preformat_in_markup) {
                   2179:         # prefetch several lines
                   2180:         @buf = head($filehandle);
                   2181:         my %d = scan_directives(@buf);
                   2182:         $ts = $d{tabstop};
                   2183:       }
                   2184:
                   2185:       while (@buf || !eof($filehandle)) {
                   2186:         $_ = @buf ? shift @buf : <$filehandle>;
3.167     scop     2187:         if ($linenumbers) {
                   2188:           $ln++;
                   2189:           printf '<a id="l%d" class="src">%5d: </a>', ($ln) x 2;
3.149     scop     2190:         }
3.200     scop     2191:         print $preformat_in_markup ? spacedHtmlText($_, $ts) : htmlquote($_);
3.148     scop     2192:       }
3.120     scop     2193:     }
3.149     scop     2194:
                   2195:     print "</pre>\n";
3.120     scop     2196:   }
3.131     scop     2197:   html_footer();
3.120     scop     2198: }
                   2199:
3.156     scop     2200:
3.120     scop     2201: sub viewable($)
                   2202: {
3.219     scop     2203:   return shift =~ m{^((text|image)/|application/pdf)}i;
3.156     scop     2204: }
3.120     scop     2205:
3.1       knu      2206:
                   2207: ###############################
                   2208: # Show Colored Diff
                   2209: ###############################
3.120     scop     2210: sub doDiff($$$$$$)
                   2211: {
                   2212:   my ($fullname, $r1, $tr1, $r2, $tr2, $f) = @_;
                   2213:
                   2214:   if (&forbidden_file($fullname)) {
                   2215:     fatal("403 Forbidden",
                   2216:           'Access forbidden.  This file is mentioned in @ForbiddenFiles');
                   2217:   }
                   2218:
3.175     scop     2219:   my ($rev1, $sym1);
3.120     scop     2220:   if ($r1 =~ /([^:]+)(:(.+))?/) {
                   2221:     $rev1 = $1;
                   2222:     $sym1 = $3;
                   2223:   }
                   2224:   if ($r1 eq 'text') {
                   2225:     $rev1 = $tr1;
                   2226:     $sym1 = "";
                   2227:   }
                   2228:
3.175     scop     2229:   my ($rev2, $sym2);
3.120     scop     2230:   if ($r2 =~ /([^:]+)(:(.+))?/) {
                   2231:     $rev2 = $1;
                   2232:     $sym2 = $3;
                   2233:   }
                   2234:   if ($r2 eq 'text') {
                   2235:     $rev2 = $tr2;
                   2236:     $sym2 = "";
                   2237:   }
                   2238:
                   2239:   #
                   2240:   # rev1 and rev2 are now both numeric revisions.
                   2241:   # Thus we do a DWIM here and swap them if rev1 is after rev2.
                   2242:   # XXX should we warn about the fact that we do this?
                   2243:   if (&revcmp($rev1, $rev2) > 0) {
                   2244:     my ($tmp1, $tmp2) = ($rev1, $sym1);
                   2245:     ($rev1, $sym1) = ($rev2, $sym2);
                   2246:     ($rev2, $sym2) = ($tmp1, $tmp2);
                   2247:   }
                   2248:   my $difftype = $DIFFTYPES{$f};
                   2249:
                   2250:   if (!$difftype) {
                   2251:     fatal("400 Bad arguments", 'Diff format %s not understood', $f);
                   2252:   }
                   2253:
                   2254:   my @difftype       = @{$difftype->{'opts'}};
                   2255:   my $human_readable = $difftype->{'colored'};
                   2256:
                   2257:   # apply special options
                   2258:   if ($showfunc) {
                   2259:     push @difftype, '-p' if $f ne 's';
                   2260:
                   2261:     my ($re1, $re2);
                   2262:
                   2263:     while (($re1, $re2) = each %funcline_regexp) {
3.222     scop     2264:       if ($fullname =~ $re1) {
3.120     scop     2265:         push @difftype, '-F', $re2;
                   2266:         last;
                   2267:       }
                   2268:     }
                   2269:   }
                   2270:
                   2271:   if ($human_readable) {
                   2272:     if ($hr_ignwhite) {
                   2273:       push @difftype, '-w';
                   2274:     }
                   2275:     if ($hr_ignkeysubst) {
                   2276:       push @difftype, '-kk';
                   2277:     }
                   2278:   }
                   2279:
3.175     scop     2280:   my $fh = do { local (*FH); };
3.120     scop     2281:   if (!open($fh, "-|")) {    # child
                   2282:     open(STDERR, ">&STDOUT");    # Redirect stderr to stdout
                   2283:     openOutputFilter();
3.166     scop     2284:     exec($CMD{rcsdiff}, @rcsdiff_options, @difftype, "-r$rev1", "-r$rev2",
                   2285:          $fullname) or exit -1;
3.120     scop     2286:   }
3.166     scop     2287:
3.120     scop     2288:   if ($human_readable) {
3.168     scop     2289:     #
                   2290:     # Human readable diff.
                   2291:     #
                   2292:     human_readable_diff($fh, $rev2);
                   2293:     html_footer();
                   2294:     gzipclose();
                   2295:     exit;
                   2296:
                   2297:   } elsif ($f =~ /^([ucs])c$/) {
                   2298:     #
                   2299:     # Enscript colored diff.
                   2300:     #
                   2301:     my $hl = 'diff';
                   2302:     $hl .= $1 if ($1 eq 'u' || $1 eq 's');
                   2303:     (my $where_nd = $where)       =~ s/\.diff$//;
                   2304:     (my $pathname = $where_nd)    =~ s|(Attic\/)?[^/]*$||;
                   2305:     (my $filename = $where_nd)    =~ s|^.*/||;
                   2306:     (my $swhere   = $scriptwhere) =~ s|\.diff$||;
                   2307:     navigateHeader($swhere, $pathname, $filename, $rev2, 'diff');
                   2308:     printf(<<EOF, $where_nd, $rev1, $rev2);
                   2309: <h3 style="text-align: center">Diff for /%s between versions %s and %s</h3>
                   2310: <pre>
                   2311: EOF
3.174     scop     2312:     doEnscript(\$fh, $hl, 0);
3.168     scop     2313:     print <<EOF;
                   2314: </pre>
3.208     scop     2315: <hr style="width: 100%" />
3.168     scop     2316: <form method="get" action="$scriptwhere">
                   2317: EOF
                   2318:     printDiffSelectStickyVars();
                   2319:     print 'Diff format: ';
                   2320:     printDiffSelect($use_java_script);
3.208     scop     2321:     print "<input type=\"submit\" value=\"Show\" />\n</form>\n";
3.120     scop     2322:     html_footer();
                   2323:     gzipclose();
                   2324:     exit;
3.168     scop     2325:
3.120     scop     2326:   } else {
3.168     scop     2327:     #
                   2328:     # Plain diff.
                   2329:     #
3.120     scop     2330:     http_header("text/plain");
                   2331:   }
                   2332:
                   2333:   #
                   2334:   #===================================================================
                   2335:   #RCS file: /home/ncvs/src/sys/netinet/tcp_output.c,v
                   2336:   #retrieving revision 1.16
                   2337:   #retrieving revision 1.17
                   2338:   #diff -c -r1.16 -r1.17
                   2339:   #*** /home/ncvs/src/sys/netinet/tcp_output.c     1995/11/03 22:08:08     1.16
                   2340:   #--- /home/ncvs/src/sys/netinet/tcp_output.c     1995/12/05 17:46:35     1.17
                   2341:   #
                   2342:   # Ideas:
                   2343:   # - nuke the stderr output if it's what we expect it to be
                   2344:   # - Add "no differences found" if the diff command supplied no output.
                   2345:   #
                   2346:   #*** src/sys/netinet/tcp_output.c     1995/11/03 22:08:08     1.16
                   2347:   #--- src/sys/netinet/tcp_output.c     1995/12/05 17:46:35     1.17 RELENG_2_1_0
                   2348:   # (bogus example, but...)
                   2349:   #
3.175     scop     2350:   my ($f1, $f2);
3.120     scop     2351:   if (grep { $_ eq '-u' } @difftype) {
                   2352:     $f1 = '---';
                   2353:     $f2 = '\+\+\+';
                   2354:   } else {
                   2355:     $f1 = '\*\*\*';
                   2356:     $f2 = '---';
                   2357:   }
                   2358:
                   2359:   while (<$fh>) {
                   2360:     if (m|^$f1 $cvsroot|o) {
                   2361:       s|$cvsroot/||o;
                   2362:       if ($sym1) {
                   2363:         chop;
                   2364:         $_ .= " $sym1\n";
                   2365:       }
                   2366:     } elsif (m|^$f2 $cvsroot|o) {
                   2367:       s|$cvsroot/||o;
                   2368:
                   2369:       if ($sym2) {
                   2370:         chop;
                   2371:         $_ .= " $sym2\n";
                   2372:       }
                   2373:     }
                   2374:     print $_;
                   2375:   }
                   2376:   close($fh);
1.12      fenner   2377: }
                   2378:
3.175     scop     2379:
3.1       knu      2380: ###############################
                   2381: # Show Logs ..
                   2382: ###############################
3.120     scop     2383: sub getDirLogs($$@)
                   2384: {
                   2385:   my ($cvsroot, $dirname, @otherFiles) = @_;
3.139     scop     2386:   my $tag = $input{only_with_tag};
3.196     scop     2387:   my $DirName = catdir($cvsroot, $where);
3.120     scop     2388:
3.139     scop     2389:   my @files = &safeglob("$DirName/*,v");
                   2390:   push (@files, &safeglob("$DirName/Attic/*,v")) if (!$input{'hideattic'});
3.120     scop     2391:   foreach my $file (@otherFiles) {
3.196     scop     2392:     push(@files, catfile($DirName, $file));
3.120     scop     2393:   }
                   2394:
3.150     scop     2395:   # Weed out unreadable files.
                   2396:   my $i = 0;
                   2397:   my @unreadable = ();
                   2398:   while ($i < scalar(@files)) {
3.197     scop     2399:     # Note: last modified files from subdirs returned by
                   2400:     # findLastModifiedSubdirs() come without the ,v suffix so they're not
                   2401:     # found here, but have already been checked for readability.  *cough*
                   2402:     if (-r $files[$i] || !-e _) {
3.150     scop     2403:       $i++;
                   2404:     } else {
                   2405:       push(@unreadable, splice(@files, $i, 1));
                   2406:     }
                   2407:   }
                   2408:
3.139     scop     2409:   # If there are no files, we're done.
3.150     scop     2410:   return @unreadable unless @files;
3.120     scop     2411:
3.139     scop     2412:   my @cmd = ($CMD{rlog});
                   2413:   # Can't use -r<tag> as '-' is allowed in tagnames,
                   2414:   # but misinterpreted by rlog.
                   2415:   push(@cmd, '-r') unless defined($tag);
3.120     scop     2416:
3.139     scop     2417:   my $fh = do { local (*FH); };
                   2418:   if (!open($fh, '-|')) {            # Child
3.165     scop     2419:     open(STDERR, '>', devnull());    # Ignore rlog's complaints.
3.139     scop     2420:     openOutputFilter();
                   2421:     if ($file_list_len && $file_list_len > 1) {
                   2422:       while (scalar(@files) > $file_list_len) {  # Process files in chunks.
                   2423:         system(@cmd, splice(@files, 0, $file_list_len)) == 0 or exit -1;
                   2424:       }
3.120     scop     2425:     }
3.139     scop     2426:     exec(@cmd, @files) or exit -1;
                   2427:   }
                   2428:   undef @cmd;
3.120     scop     2429:
3.139     scop     2430:   my $state = 'start';
                   2431:   my ($date, $branchpoint, $branch, $log, @filetags);
3.152     scop     2432:   my ($rev, $revision, $revwanted, $filename, $head, $author, $keywordsubst);
3.120     scop     2433:
                   2434:   while (<$fh>) {
                   2435:     if ($state eq "start") {
                   2436:
                   2437:       #Next file. Initialize file variables
                   2438:       $rev         = '';
                   2439:       $revwanted   = '';
                   2440:       $branch      = '';
                   2441:       $branchpoint = '';
                   2442:       $filename    = '';
                   2443:       $log         = '';
                   2444:       $revision    = '';
                   2445:       %symrev      = ();
                   2446:       @filetags    = ();
3.152     scop     2447:       $keywordsubst= '';
3.120     scop     2448:
                   2449:       #jump to head state
                   2450:       $state = "head";
                   2451:     }
3.144     scop     2452:
3.120     scop     2453:     again:
                   2454:
                   2455:     if ($state eq "head") {
                   2456:
                   2457:       #$rcsfile = $1 if (/^RCS file: (.+)$/); #not used (yet)
                   2458:
                   2459:       if (/^Working file: (.+)$/) {
                   2460:         $filename = $1;
                   2461:       } elsif (/^head: (.+)$/) {
                   2462:         $head = $1;
                   2463:       } elsif (/^branch: (.+)$/) {
                   2464:         $branch = $1;
3.152     scop     2465:       } elsif (/^keyword substitution: (.+)$/) {
                   2466:         $keywordsubst = $1;
3.120     scop     2467:       } elsif (/^symbolic names:/) {
                   2468:         $state = "tags";
                   2469:         ($branch = $head) =~ s/\.\d+$//
                   2470:           if $branch eq '';
                   2471:         $branch =~ s/(\d+)$/0.$1/;
                   2472:         $symrev{MAIN}  = $branch;
                   2473:         $symrev{HEAD}  = $branch;
                   2474:         $alltags{MAIN} = 1;
                   2475:         $alltags{HEAD} = 1;
                   2476:         push (@filetags, "MAIN", "HEAD");
3.222     scop     2477:       } elsif ($_ =~ LOG_REVSEPR) {
3.120     scop     2478:         $state = "log";
                   2479:         $rev   = '';
                   2480:         $date  = '';
                   2481:         $log   = '';
                   2482:
                   2483:         # Try to reconstruct the relative filename if RCS spits out a full path
                   2484:         $filename =~ s%^\Q$DirName\E/%%;
                   2485:       }
                   2486:       next;
                   2487:     }
                   2488:
                   2489:     if ($state eq "tags") {
                   2490:       if (/^\s+([^:]+):\s+([\d\.]+)\s*$/) {
                   2491:         push (@filetags, $1);
                   2492:         $symrev{$1}  = $2;
                   2493:         $alltags{$1} = 1;
                   2494:         next;
                   2495:       } elsif (/^\S/) {
                   2496:
                   2497:         if (defined($tag)) {
                   2498:           if (defined($symrev{$tag}) || $tag eq "HEAD") {
                   2499:             $revwanted    = $symrev{$tag eq "HEAD" ? "MAIN" : $tag};
                   2500:             ($branch      = $revwanted) =~ s/\b0\.//;
                   2501:             ($branchpoint = $branch)    =~ s/\.?\d+$//;
                   2502:             $revwanted    = '' if ($revwanted ne $branch);
                   2503:           } elsif ($tag ne "HEAD") {
                   2504:             $state = "skip";
                   2505:             next;
                   2506:           }
                   2507:         }
                   2508:
                   2509:         foreach my $tagfound (@filetags) {
                   2510:           $tags{$tagfound} = 1;
                   2511:         }
                   2512:         $state = "head";
                   2513:         goto again;
                   2514:       }
                   2515:     }
                   2516:
                   2517:     if ($state eq "log") {
3.222     scop     2518:       if ($_ =~ LOG_REVSEPR || $_ =~ LOG_FILESEPR) {
3.120     scop     2519:
                   2520:         # End of a log entry.
                   2521:         my $revbranch = $rev;
                   2522:         $revbranch =~ s/\.\d+$//;
                   2523:
                   2524:         if ($revwanted eq '' && $branch ne '' && $branch eq $revbranch
                   2525:             || !defined($tag))
                   2526:         {
                   2527:           $revwanted = $rev;
                   2528:         }
                   2529:
                   2530:         if ($revwanted ne ''
                   2531:             ? $rev eq $revwanted
                   2532:             : $branchpoint ne ''
                   2533:               ? $rev eq $branchpoint
                   2534:               : 0
                   2535:             && ($rev eq $head))
                   2536:         {    # Don't think head is needed here..
3.152     scop     2537:           my @finfo = ($rev, $date, $log, $author, $filename, $keywordsubst);
                   2538:           (my $name = $filename) =~ s%/.*%%;
3.120     scop     2539:           $fileinfo{$name} = [@finfo];
                   2540:           $state = "done" if ($rev eq $revwanted);
                   2541:         }
                   2542:         $rev  = '';
                   2543:         $date = '';
                   2544:         $log  = '';
                   2545:       } elsif ($date eq ''
                   2546:                && m|^date:\s+(\d+)/(\d+)/(\d+)\s+(\d+):(\d+):(\d+);|)
                   2547:       {
3.172     scop     2548:         my $yr    = $1;
                   2549:         $yr      -= 1900 if ($yr > 100); # Damn 2-digit year routines :-)
                   2550:         $date     = timegm($6, $5, $4, $3, $2 - 1, $yr);
3.120     scop     2551:         ($author) = /author: ([^;]+)/;
3.172     scop     2552:         $state    = 'log';
                   2553:         $log      = '';
3.120     scop     2554:         next;
                   2555:       } elsif ($rev eq '' && /^revision (\d+(?:\.\d+)+).*$/) {
                   2556:         $rev = $1;    # .*$ eats up the locker(lockers?) info, if any
                   2557:         next;
                   2558:       } else {
                   2559:         $log .= $_;
                   2560:       }
                   2561:     }
                   2562:
3.222     scop     2563:     if ($_ =~ LOG_FILESEPR) {
3.120     scop     2564:       $state = "start";
                   2565:       next;
                   2566:     }
                   2567:   }
                   2568:
3.139     scop     2569:   my $linesread = $. || 0;
                   2570:   close($fh);
                   2571:
                   2572:   if ($linesread == 0) {
3.137     scop     2573:     fatal('500 Internal Error',
3.208     scop     2574:           'Failed to spawn GNU rlog on <em>"%s"</em>.<br /><br />Did you set the <b><code>$command_path</code></b> in your configuration file correctly? (Currently: "<code>%s</code>")',
3.150     scop     2575:           htmlquote(join(', ', @files)), $command_path);
3.120     scop     2576:   }
3.150     scop     2577:
                   2578:   return @unreadable;
3.120     scop     2579: }
                   2580:
3.175     scop     2581:
3.120     scop     2582: sub readLog($;$)
                   2583: {
                   2584:   my ($fullname, $revision) = @_;
                   2585:   my ($symnames, $head, $rev, $br, $brp, $branch, $branchrev);
                   2586:
3.144     scop     2587:   $revision = defined($revision) ? "-r$revision" : '';
3.120     scop     2588:
                   2589:   undef %symrev;
                   2590:   undef %revsym;
                   2591:   undef @allrevisions;
                   2592:   undef %date;
                   2593:   undef %author;
                   2594:   undef %state;
                   2595:   undef %difflines;
                   2596:   undef %log;
3.152     scop     2597:   $keywordsubstitution = '';
3.120     scop     2598:
3.175     scop     2599:   my $fh = do { local (*FH); };
3.120     scop     2600:   if (!open($fh, "-|")) {    # child
                   2601:     if ($revision ne '') {
                   2602:       openOutputFilter();
                   2603:       exec($CMD{rlog}, $revision, $fullname) or exit -1;
                   2604:     } else {
                   2605:       openOutputFilter();
                   2606:       exec($CMD{rlog}, $fullname) or exit -1;
                   2607:     }
                   2608:   }
                   2609:
3.217     scop     2610:   my $curbranch = undef;
3.120     scop     2611:   while (<$fh>) {
                   2612:     if ($symnames) {
                   2613:       if (/^\s+([^:]+):\s+([\d\.]+)/) {
                   2614:         $symrev{$1} = $2;
3.152     scop     2615:         next;
3.120     scop     2616:       } else {
                   2617:         $symnames = 0;
                   2618:       }
3.152     scop     2619:     }
                   2620:     if (/^head:\s+([\d\.]+)/) {
3.120     scop     2621:       $head = $1;
                   2622:     } elsif (/^branch:\s+([\d\.]+)/) {
                   2623:       $curbranch = $1;
                   2624:     } elsif (/^symbolic names/) {
                   2625:       $symnames = 1;
3.152     scop     2626:     } elsif (/^keyword substitution: (.+)$/) {
                   2627:       $keywordsubstitution = $1;
3.120     scop     2628:     } elsif (/^-----/) {
                   2629:       last;
                   2630:     }
                   2631:   }
                   2632:   ($curbranch = $head) =~ s/\.\d+$// if (!defined($curbranch));
                   2633:
                   2634:   # each log entry is of the form:
                   2635:   # ----------------------------
                   2636:   # revision 3.7.1.1
                   2637:   # date: 1995/11/29 22:15:52;  author: fenner;  state: Exp;  lines: +5 -3
                   2638:   # log info
                   2639:   # ----------------------------
                   2640:
                   2641:   # For a locked revision, the first line after the separator
                   2642:   # becomes smth like
3.149     scop     2643:   # revision 9.19       locked by: vassilii;
3.120     scop     2644:
                   2645:   logentry:
                   2646:
3.222     scop     2647:   while ($_ !~ LOG_FILESEPR) {
3.120     scop     2648:     $_ = <$fh>;
                   2649:     last logentry if (!defined($_));    # EOF
                   2650:     if (/^revision (\d+(?:\.\d+)+)/) {
                   2651:       $rev = $1;
                   2652:       unshift (@allrevisions, $rev);
3.222     scop     2653:     } elsif ($_ =~ LOG_FILESEPR || $_ =~ LOG_REVSEPR) {
3.120     scop     2654:       next logentry;
                   2655:     } else {
                   2656:
                   2657:       # The rlog output is syntactically ambiguous.  We must
                   2658:       # have guessed wrong about where the end of the last log
                   2659:       # message was.
                   2660:       # Since this is likely to happen when people put rlog output
                   2661:       # in their commit messages, don't even bother keeping
                   2662:       # these lines since we don't know what revision they go with
                   2663:       # any more.
                   2664:       next logentry;
                   2665:     }
                   2666:     $_ = <$fh>;
                   2667:     if (
                   2668:       m|^date:\s+(\d+)/(\d+)/(\d+)\s+(\d+):(\d+):(\d+);\s+author:\s+(\S+);\s+state:\s+(\S+);\s+(lines:\s+([0-9\s+-]+))?|
                   2669:       )
                   2670:     {
3.172     scop     2671:       my $yr           = $1;
                   2672:       $yr             -= 1900 if ($yr > 100); # Damn 2-digit year routines :-)
                   2673:       $date{$rev}      = timegm($6, $5, $4, $3, $2 - 1, $yr);
3.120     scop     2674:       $author{$rev}    = $7;
                   2675:       $state{$rev}     = $8;
                   2676:       $difflines{$rev} = $10;
                   2677:     } else {
                   2678:       fatal("500 Internal Error", 'Error parsing RCS output: %s', $_);
                   2679:     }
                   2680:
                   2681:   line:
                   2682:     while (<$fh>) {
                   2683:       next line if (/^branches:\s/);
3.222     scop     2684:       last line if ($_ =~ LOG_FILESEPR || $_ =~ LOG_REVSEPR);
3.120     scop     2685:       $log{$rev} .= $_;
                   2686:     }
                   2687:   }
                   2688:   close($fh);
                   2689:
                   2690:   @revorder = reverse sort { revcmp($a, $b) } @allrevisions;
                   2691:
                   2692:   #
                   2693:   # HEAD is an artificial tag which is simply the highest tag number on the main
                   2694:   # branch, unless there is a branch tag in the RCS file in which case it's the
                   2695:   # highest revision on that branch.  Find it by looking through @revorder; it
                   2696:   # is the first commit listed on the appropriate branch.
                   2697:   # This is not neccesary the same revision as marked as head in the RCS file.
                   2698:   my $headrev = $curbranch || "1";
                   2699:   ($symrev{"MAIN"} = $headrev) =~ s/(\d+)$/0.$1/;
                   2700:
                   2701:   foreach $rev (@revorder) {
                   2702:     if ($rev =~ /^(\S*)\.\d+$/ && $headrev eq $1) {
                   2703:       $symrev{"HEAD"} = $rev;
                   2704:       last;
                   2705:     }
                   2706:   }
                   2707:   ($symrev{"HEAD"} = $headrev) =~ s/\.\d+$//
                   2708:     if (!defined($symrev{"HEAD"}));
                   2709:
                   2710:   #
                   2711:   # Now that we know all of the revision numbers, we can associate
                   2712:   # absolute revision numbers with all of the symbolic names, and
                   2713:   # pass them to the form so that the same association doesn't have
                   2714:   # to be built then.
                   2715:   #
                   2716:   undef @branchnames;
                   2717:   undef %branchpoint;
                   2718:   undef $sel;
                   2719:
                   2720:   foreach (reverse sort keys %symrev) {
                   2721:     $rev = $symrev{$_};
                   2722:     if ($rev =~ /^((.*)\.)?\b0\.(\d+)$/) {
                   2723:       push (@branchnames, $_);
                   2724:
                   2725:       #
                   2726:       # A revision number of A.B.0.D really translates into
                   2727:       # "the highest current revision on branch A.B.D".
                   2728:       #
                   2729:       # If there is no branch A.B.D, then it translates into
                   2730:       # the head A.B .
                   2731:       #
                   2732:       # This reasoning also applies to the main branch A.B,
                   2733:       # with the branch number 0.A, with the exception that
                   2734:       # it has no head to translate to if there is nothing on
                   2735:       # the branch, but I guess this can never happen?
                   2736:       #
                   2737:       # (the code below gracefully forgets about the branch
                   2738:       # if it should happen)
                   2739:       #
                   2740:       $head = defined($2) ? $2 : "";
                   2741:       $branch = $3;
                   2742:       $branchrev = $head . ($head ne "" ? "." : "") . $branch;
3.222     scop     2743:       $rev = $head;
                   2744:
                   2745:       my $regex = '^' . quotemeta($branchrev) . '\b';
                   2746:       $regex = qr/$regex/;
3.120     scop     2747:
                   2748:       foreach my $r (@revorder) {
3.222     scop     2749:         if ($r =~ $regex) {
3.120     scop     2750:           $rev = $branchrev;
                   2751:           last;
                   2752:         }
                   2753:       }
                   2754:       next if ($rev eq "");
                   2755:
                   2756:       if ($rev ne $head && $head ne "") {
3.131     scop     2757:         $branchpoint{$head} .= ', ' if ($branchpoint{$head});
3.120     scop     2758:         $branchpoint{$head} .= $_;
                   2759:       }
                   2760:     }
                   2761:     $revsym{$rev} .= ", " if ($revsym{$rev});
                   2762:     $revsym{$rev} .= $_;
3.136     scop     2763:     $sel .= sprintf("<option value=\"%s:%s\">%s</option>\n",
                   2764:                     htmlquote($rev), (htmlquote($_)) x 2);
3.120     scop     2765:   }
                   2766:
                   2767:   my ($onlyonbranch, $onlybranchpoint);
                   2768:   if ($onlyonbranch = $input{'only_with_tag'}) {
                   2769:     $onlyonbranch = $symrev{$onlyonbranch};
                   2770:     if ($onlyonbranch =~ s/\b0\.//) {
                   2771:       ($onlybranchpoint = $onlyonbranch) =~ s/\.\d+$//;
                   2772:     } else {
                   2773:       $onlybranchpoint = $onlyonbranch;
                   2774:     }
                   2775:
                   2776:     if (!defined($onlyonbranch) || $onlybranchpoint eq "") {
                   2777:       fatal("404 Tag not found", 'Tag %s not defined',
3.131     scop     2778:             $input{'only_with_tag'});
3.120     scop     2779:     }
                   2780:   }
                   2781:
                   2782:   undef @revisions;
                   2783:
                   2784:   foreach (@allrevisions) {
                   2785:     ($br  = $_)  =~ s/\.\d+$//;
                   2786:     ($brp = $br) =~ s/\.\d+$//;
                   2787:     next if ($onlyonbranch
                   2788:              && $br ne $onlyonbranch
                   2789:              && $_  ne $onlybranchpoint);
                   2790:     unshift (@revisions, $_);
                   2791:   }
                   2792:
                   2793:   if ($logsort eq "date") {
                   2794:
                   2795:     # Sort the revisions in commit order an secondary sort on revision
                   2796:     # (secondary sort needed for imported sources, or the first main
                   2797:     # revision gets before the same revision on the 1.1.1 branch)
                   2798:     @revdisplayorder =
                   2799:       sort { $date{$b} <=> $date{$a} || -revcmp($a, $b) } @revisions;
                   2800:   } elsif ($logsort eq "rev") {
                   2801:
                   2802:     # Sort the revisions in revision order, highest first
                   2803:     @revdisplayorder = reverse sort { revcmp($a, $b) } @revisions;
                   2804:   } else {
                   2805:
                   2806:     # No sorting. Present in the same order as rlog / cvs log
                   2807:     @revdisplayorder = @revisions;
                   2808:   }
                   2809:
3.217     scop     2810:   return $curbranch;
3.120     scop     2811: }
                   2812:
3.175     scop     2813:
3.120     scop     2814: sub printDiffLinks($$)
                   2815: {
                   2816:   my ($text, $url) = @_;
                   2817:   my @extra;
3.175     scop     2818:   for my $difftype ($DIFFTYPES{$defaultDiffType}{colored} ? qw(u) : qw(h)) {
                   2819:     my $f = $difftype eq $defaultDiffType ? '' : $difftype;
3.203     scop     2820:     push(@extra, &link(lc($DIFFTYPES{$difftype}{descr}), "$url;f=$f"));
3.120     scop     2821:   }
                   2822:   print &link($text, $url), ' (', join (', ', @extra), ')';
                   2823: }
                   2824:
3.175     scop     2825:
3.219     scop     2826: sub printLog($$$;$$)
3.120     scop     2827: {
3.219     scop     2828:   # inlogview: 1 if in log view, otherwise in markup view.
                   2829:   ($_, my $mimetype, my $isbin, my $inlogview, my $isSelected) = @_;
3.175     scop     2830:   (my $br  = $_)  =~ s/\.\d+$//;
                   2831:   (my $brp = $br) =~ s/\.?\d+$//;
3.120     scop     2832:
3.131     scop     2833:   my $isDead = ($state{$_} eq 'dead');
                   2834:
3.219     scop     2835:   (my $filename = $where) =~ s/^.*\///;
                   2836:   my $fileurl   = urlencode($filename);
3.120     scop     2837:
3.219     scop     2838:   print "<a name=\"rev$_\"></a>";
                   2839:   if (defined($revsym{$_})) {
                   2840:     foreach my $sym (split (", ", $revsym{$_})) {
                   2841:       print '<a name="', hrefquote($sym), '"></a>';
3.120     scop     2842:     }
3.219     scop     2843:   }
                   2844:   if ($revsym{$br} && !defined($nameprinted{$br})) {
                   2845:     foreach my $sym (split (", ", $revsym{$br})) {
                   2846:       print '<a name="', hrefquote($sym), '"></a>';
3.120     scop     2847:     }
3.219     scop     2848:     $nameprinted{$br} = 1;
                   2849:   }
3.120     scop     2850:
3.219     scop     2851:   printf "\n Revision <b>%s</b>", htmlquote($_);
                   2852:   if (/^1\.1\.1\.\d+$/) {
                   2853:     print " <i>(vendor branch)</i>";
                   2854:   }
                   2855:   if (!$isDead) {
3.220     scop     2856:     print ': ', download_link($fileurl, $_, 'download', $mimetype);
3.219     scop     2857:
                   2858:     my @vlinks = ();
                   2859:     push(@vlinks, display_link($fileurl, $_, 'text', 'text/plain'))
                   2860:       unless $isbin;
                   2861:     push(@vlinks, display_link($fileurl, $_, 'markup', 'text/x-cvsweb-markup'))
                   2862:       if ($allow_markup && $inlogview && (!$isbin || viewable($mimetype)));
                   2863:     if (!$isbin) {
                   2864:       push(@vlinks,
                   2865:            &link('annotated',
                   2866:                  sprintf('%s/%s?annotate=%s%s',
                   2867:                          $scriptname, urlencode($where), $_, $barequery)))
                   2868:         if $allow_annotate;
                   2869:     }
                   2870:     print ' - view: ', join(', ', @vlinks) if @vlinks;
                   2871:     undef @vlinks;
                   2872:
                   2873:     if (!$isbin) {
                   2874:       if ($inlogview && $allow_version_select) {
                   2875:         print ' - ';
                   2876:         if ($isSelected) {
                   2877:           print '<b>[selected&nbsp;for&nbsp;diffs]</b>';
                   2878:         } else {
                   2879:           print &link('select&nbsp;for&nbsp;diffs',
                   2880:                       sprintf('%s?r1=%s%s#rev%s',
                   2881:                               $scriptwhere, $_, $barequery, $_));
                   2882:         }
                   2883:       } elsif ($allow_cvsgraph) {
                   2884:         print ' - ', &graph_link('', 'graph');
3.120     scop     2885:       }
                   2886:     }
                   2887:   }
3.219     scop     2888:   print "<br />\n";
3.120     scop     2889:
3.219     scop     2890:   print '<i>';
3.120     scop     2891:   if (defined @mytz) {
                   2892:     my ($est) = $mytz[(localtime($date{$_}))[8]];
3.219     scop     2893:     print scalar localtime($date{$_}), " $est</i> (";
3.120     scop     2894:   } else {
3.219     scop     2895:     print scalar gmtime($date{$_}), " UTC</i> (";
3.120     scop     2896:   }
3.136     scop     2897:   print readableTime(time() - $date{$_}, 1), ' ago)';
3.208     scop     2898:   print ' by <i>', htmlquote($author{$_}), "</i><br />\n";
3.136     scop     2899:
                   2900:   if ($revsym{$br}) {
3.219     scop     2901:     printf "Branches: %s<br />\n",
                   2902:       $inlogview ? link_tags($revsym{$br}) : htmlquote($revsym{$br});
3.136     scop     2903:   }
                   2904:   if ($revsym{$_}) {
3.219     scop     2905:     printf "CVS tags: %s<br />\n",
                   2906:       $inlogview ? link_tags($revsym{$_}) : htmlquote($revsym{$_});
3.136     scop     2907:   }
                   2908:   if ($branchpoint{$_}) {
3.219     scop     2909:     printf "Branch point for: %s<br />\n",
                   2910:       $inlogview ? link_tags($branchpoint{$_}) : htmlquote($branchpoint{$_});
3.136     scop     2911:   }
3.120     scop     2912:
                   2913:   # Find the previous revision
3.175     scop     2914:   my $prev;
3.120     scop     2915:   my @prevrev = split (/\./, $_);
                   2916:   do {
                   2917:     if (--$prevrev[$#prevrev] <= 0) {
                   2918:
                   2919:       # If it was X.Y.Z.1, just make it X.Y
                   2920:       pop (@prevrev);
                   2921:       pop (@prevrev);
                   2922:     }
                   2923:     $prev = join (".", @prevrev);
                   2924:   } until (defined($date{$prev}) || $prev eq "");
                   2925:
                   2926:   if ($isDead) {
3.219     scop     2927:     print "<b><i>FILE REMOVED</i></b><br />\n";
                   2928:   } elsif ($inlogview) {
3.120     scop     2929:     my %diffrev = ();
                   2930:     $diffrev{$_} = 1;
                   2931:     $diffrev{""} = 1;
                   2932:     my $diff = 'Diff';
3.219     scop     2933:     my $printed = 0;
3.120     scop     2934:
                   2935:     #
                   2936:     # Offer diff to previous revision
                   2937:     if ($prev) {
                   2938:       $diffrev{$prev} = 1;
                   2939:
                   2940:       my $url =
3.203     scop     2941:         sprintf('%s.diff?r1=%s;r2=%s%s', $scriptwhere, $prev, $_, $barequery);
3.120     scop     2942:
                   2943:       print $diff, " to previous ";
3.219     scop     2944:       $diff = ''; $printed = 1;
3.120     scop     2945:       printDiffLinks($prev, $url);
                   2946:     }
                   2947:
                   2948:     #
                   2949:     # Plus, if it's on a branch, and it's not a vendor branch,
                   2950:     # offer a diff with the branch point.
                   2951:     if ($revsym{$brp}
                   2952:       && !/^1\.1\.1\.\d+$/
                   2953:       && !defined($diffrev{$brp}))
                   2954:     {
                   2955:       my $url =
3.203     scop     2956:         sprintf('%s.diff?r1=%s;r2=%s%s', $scriptwhere, $brp, $_, $barequery);
3.120     scop     2957:
                   2958:       print $diff, " to branchpoint ";
3.219     scop     2959:       $diff = ''; $printed = 1;
3.120     scop     2960:       printDiffLinks($brp, $url);
                   2961:     }
                   2962:
                   2963:     #
                   2964:     # Plus, if it's on a branch, and it's not a vendor branch,
                   2965:     # offer to diff with the next revision of the higher branch.
                   2966:     # (e.g. change gets committed and then brought
                   2967:     # over to -stable)
                   2968:     if (/^\d+\.\d+\.\d+/ && !/^1\.1\.1\.\d+$/) {
                   2969:       my ($i, $nextmain);
                   2970:
                   2971:       for ($i = 0; $i < $#revorder && $revorder[$i] ne $_; $i++) {
                   2972:       }
                   2973:       my @tmp2 = split (/\./, $_);
                   2974:       for ($nextmain = ""; $i > 0; $i--) {
                   2975:         my $next = $revorder[$i - 1];
                   2976:         my @tmp1 = split (/\./, $next);
                   2977:
                   2978:         if (@tmp1 < @tmp2) {
                   2979:           $nextmain = $next;
                   2980:           last;
                   2981:         }
                   2982:
                   2983:         # Only the highest version on a branch should have
                   2984:         # a diff for the "next main".
                   2985:         last
                   2986:           if (@tmp1 - 1 <= @tmp2
                   2987:           && join (".", @tmp1[0 .. $#tmp1 - 1]) eq
                   2988:           join (".", @tmp2[0 .. $#tmp1 - 1]));
                   2989:       }
                   2990:
                   2991:       if (!defined($diffrev{$nextmain})) {
                   2992:         $diffrev{$nextmain} = 1;
                   2993:
3.203     scop     2994:         my $url = sprintf('%s.diff?r1=%s;r2=%s%s',
3.120     scop     2995:           $scriptwhere, $nextmain, $_, $barequery);
                   2996:
                   2997:         print $diff, " next main ";
3.219     scop     2998:         $diff = ''; $printed = 1;
3.120     scop     2999:         printDiffLinks($nextmain, $url);
                   3000:       }
                   3001:     }
                   3002:
                   3003:     # Plus if user has selected only r1, then present a link
                   3004:     # to make a diff to that revision
                   3005:     if (defined($input{"r1"}) && !defined($diffrev{$input{"r1"}})) {
                   3006:       $diffrev{$input{"r1"}} = 1;
                   3007:
3.203     scop     3008:       my $url = sprintf('%s.diff?r1=%s;r2=%s%s',
3.120     scop     3009:         $scriptwhere, $input{'r1'}, $_, $barequery);
                   3010:
                   3011:       print $diff, " to selected ";
3.219     scop     3012:       $diff = ''; $printed = 1;
3.120     scop     3013:       printDiffLinks($input{'r1'}, $url);
                   3014:     }
                   3015:
3.219     scop     3016:     print "<br />\n" if $printed;
                   3017:   }
                   3018:
                   3019:   if ($prev ne "" && $difflines{$_}) {
                   3020:     printf "Changes since revision %s: %s lines<br />\n",
                   3021:       htmlquote($prev), htmlquote($difflines{$_});
3.120     scop     3022:   }
3.189     scop     3023:
3.219     scop     3024:   print "<pre class=\"log\">\n";
3.120     scop     3025:   print &htmlify($log{$_}, $allow_log_extra);
                   3026:   print "</pre>\n";
                   3027: }
                   3028:
3.175     scop     3029:
3.132     scop     3030: #
                   3031: # Generates the HTML view for CvsGraph.
                   3032: #
3.170     scop     3033: sub doGraphView()
3.132     scop     3034: {
                   3035:   (my $pathname = $where) =~ s|[^/]*$||;
                   3036:   (my $filename = $where) =~ s|^.*/||;
                   3037:
3.170     scop     3038:   navigateHeader($scriptwhere, $pathname, $filename, undef, 'graph');
3.132     scop     3039:
3.146     scop     3040:   my $title = 'Revision graph of ' . htmlquote($pathname . $filename);
3.132     scop     3041:   my $mapname = 'CvsGraphMap';
                   3042:
3.170     scop     3043:   printf(<<EOF, $title, $mapname, $cvstree, $title);
3.146     scop     3044: <h3 style="text-align: center">%s</h3>
3.219     scop     3045: <div style="text-align: center"><img border="0" usemap="#%s" src="?cvsroot=%s;graph=1;makeimage=1" alt="%s" />
3.146     scop     3046: EOF
3.132     scop     3047:
3.181     scop     3048:   my $qquery = hrefquote($barequery);
3.135     scop     3049:   my @graph_cmd =
                   3050:     ($CMD{cvsgraph},
                   3051:      '-r', $cvsroot,
                   3052:      '-i',
                   3053:      '-M', $mapname,
3.208     scop     3054:      '-x', 'x',
3.181     scop     3055:      "-Omap_branch_href=\"href=\\\"./?only_with_tag=%(%t%)$qquery\\\"\"",
3.219     scop     3056:      "-Omap_rev_href=\"href=\\\"?rev=%(%R%)$qquery\\\"\"",
3.146     scop     3057:      "-Omap_diff_href=\"href=\\\"%(%F%).diff" .
3.203     scop     3058:      "?r1=%(%P%);r2=%(%R%)$qquery\\\"\"",
3.135     scop     3059:      );
3.132     scop     3060:   push(@graph_cmd, '-c', $cvsgraph_config) if $cvsgraph_config;
3.174     scop     3061:   push(@graph_cmd, catfile($pathname, $filename . ',v'));
3.132     scop     3062:
3.174     scop     3063:   local *CVSGRAPH_OUT;
                   3064:   my ($h, $err) =
                   3065:     startproc(\@graph_cmd, \"", '>pipe', \*CVSGRAPH_OUT, timeout(30));
                   3066:   fatal('500 Internal Error', $err) unless $h;
                   3067:   {
                   3068:     local $/ = undef;
                   3069:     print <CVSGRAPH_OUT>;
3.132     scop     3070:   }
3.174     scop     3071:   finish($h);
3.219     scop     3072:   print "</div>\n";
3.132     scop     3073:
                   3074:   html_footer();
                   3075: }
                   3076:
3.175     scop     3077:
3.132     scop     3078: #
                   3079: # Generates a graph using CvsGraph.
                   3080: #
3.170     scop     3081: sub doGraph()
3.132     scop     3082: {
                   3083:   (my $pathname = $where) =~ s|[^/]*$||;
                   3084:   (my $filename = $where) =~ s|^.*/||;
                   3085:
                   3086:   http_header('image/png');
                   3087:
                   3088:   my @graph_cmd = ($CMD{cvsgraph}, '-r', $cvsroot);
                   3089:   push(@graph_cmd, '-c', $cvsgraph_config) if $cvsgraph_config;
3.174     scop     3090:   push(@graph_cmd, catfile($pathname, $filename . ',v'));
3.132     scop     3091:
3.174     scop     3092:   local *CVSGRAPH_OUT;
                   3093:   my ($h, $err) =
                   3094:     startproc(\@graph_cmd, \"", '>pipe', \*CVSGRAPH_OUT, timeout(30));
                   3095:   fatal('500 Internal Error', $err) unless $h;
3.132     scop     3096:   {
                   3097:     local $/ = undef;
                   3098:     binmode(\*STDOUT);
3.174     scop     3099:     print <CVSGRAPH_OUT>;
3.132     scop     3100:   }
3.174     scop     3101:   finish($h);
3.132     scop     3102: }
                   3103:
                   3104:
3.120     scop     3105: sub doLog($)
                   3106: {
                   3107:   my ($fullname) = @_;
                   3108:
3.217     scop     3109:   my $curbranch = readLog($fullname);
3.120     scop     3110:
                   3111:   html_header("CVS log for $where");
3.144     scop     3112:
                   3113:   (my $upwhere  = $where) =~ s|(Attic/)?[^/]+$||;
                   3114:   (my $filename = $where) =~ s|^.*/||;
                   3115:   my $backurl = $scriptname . "/" . urlencode($upwhere) . $query;
                   3116:
3.219     scop     3117:   my $isbin = $keywordsubstitution =~ /b/;
                   3118:   my $mimetype = getMimeType($filename, $isbin);
                   3119:
3.120     scop     3120:   print "<p>\n ";
                   3121:   print &link($backicon, "$backurl#$filename"), " <b>Up to ",
                   3122:     &clickablePath($upwhere, 1), "</b>\n</p>\n";
                   3123:   print "<p>\n ";
                   3124:   print &link('Request diff between arbitrary revisions', '#diff');
3.132     scop     3125:   if ($allow_cvsgraph) {
3.219     scop     3126:     print ' - ', &graph_link('', 'Display revisions graphically');
3.132     scop     3127:   }
3.208     scop     3128:   print "\n</p>\n<hr />\n";
3.120     scop     3129:
                   3130:   print "<p>\n";
3.152     scop     3131:
3.219     scop     3132:   my $explain = $isbin ? ' (i.e.: CVS considers this a binary file)' : '';
3.208     scop     3133:   print "Keyword substitution: $keywordsubstitution$explain<br />\n";
3.217     scop     3134:   if ($curbranch) {
                   3135:     print "Default branch: ", ($revsym{$curbranch} || $curbranch);
                   3136:   } else {
                   3137:     print "No default branch";
                   3138:   }
3.208     scop     3139:   print "<br />\n";
3.120     scop     3140:
3.208     scop     3141:   print 'Current tag: ', htmlquote($input{only_with_tag}), "<br />\n"
3.153     scop     3142:     if $input{only_with_tag};
3.120     scop     3143:   print "</p>\n";
                   3144:
                   3145:   undef %nameprinted;
                   3146:
3.182     scop     3147:   for my $r (@revdisplayorder) {
3.208     scop     3148:     print "<hr />\n";
3.182     scop     3149:     my $sel = (defined($input{r1}) && $input{r1} eq $r);
                   3150:     print "<div class=\"diff-selected\">\n" if $sel;
3.219     scop     3151:     printLog($r, $mimetype, $isbin, 1, $sel);
3.182     scop     3152:     print "</div>\n" if $sel;
3.120     scop     3153:   }
                   3154:
3.144     scop     3155:   printf(<<EOF, $scriptwhere);
3.208     scop     3156: <hr />
                   3157: <form method="get" action="%s.diff" id="diff_select">
3.189     scop     3158: <fieldset>
                   3159: <legend>Diff request</legend>
3.144     scop     3160: <p>
                   3161:  <a name="diff">
3.189     scop     3162:   This form allows you to request diffs between any two revisions of a file.
3.144     scop     3163:   You may select a symbolic revision name using the selection box or you may
                   3164:   type in a numeric name using the type-in text box.
                   3165:  </a>
                   3166: </p>
                   3167: EOF
3.120     scop     3168:
                   3169:   foreach (@stickyvars) {
3.208     scop     3170:     printf("<input type=\"hidden\" name=\"%s\" value=\"%s\" />\n",
3.154     scop     3171:            $_, htmlquote($input{$_}))
3.194     scop     3172:       if (defined($input{$_}) &&
                   3173:           (!defined($DEFAULTVALUE{$_}) || $input{$_} ne $DEFAULTVALUE{$_}));
3.120     scop     3174:   }
3.144     scop     3175:
                   3176:   print <<EOF;
3.189     scop     3177: <table summary="Diff between arbitrary revisions">
3.144     scop     3178: <tr>
3.189     scop     3179: <td class="opt-label">
                   3180: <label for="r1" accesskey="1">Diffs between</label>
                   3181: </td>
                   3182: <td class="opt-value">
3.144     scop     3183: <select id="r1" name="r1">
3.208     scop     3184: <option value="text" selected="selected">Use Text Field</option>
3.144     scop     3185: EOF
                   3186:   print $sel, "</select>\n";
                   3187:
                   3188:   my $diffrev = defined($input{r1}) ?
                   3189:     $input{r1} : $revdisplayorder[$#revdisplayorder];
                   3190:
                   3191:   printf(<<EOF, $inputTextSize, $diffrev);
3.208     scop     3192: <input type="text" size="%s" name="tr1" value="%s" onchange="this.form.r1.selectedIndex=0" />
3.144     scop     3193: </td>
3.189     scop     3194: <td></td>
                   3195: </tr>
                   3196: <tr>
                   3197: <td class="opt-label">
                   3198: <label for="r2" accesskey="2">and</label>
                   3199: </td>
                   3200: <td class="opt-value">
3.144     scop     3201: <select id="r2" name="r2">
3.208     scop     3202: <option value="text" selected="selected">Use Text Field</option>
3.144     scop     3203: EOF
                   3204:   print $sel, "</select>\n";
                   3205:
                   3206:   $diffrev = defined($input{r2}) ? $input{r2} : $revdisplayorder[0];
                   3207:
                   3208:   printf(<<EOF, $inputTextSize, $diffrev, $scriptwhere);
3.208     scop     3209: <input type="text" size="%s" name="tr2" value="%s" onchange="this.form.r2.selectedIndex=0" />
3.144     scop     3210: </td>
3.208     scop     3211: <td><input type="submit" value="Get Diffs" accesskey="G" /></td>
3.144     scop     3212: </tr>
                   3213: </table>
3.189     scop     3214: </fieldset>
3.144     scop     3215: </form>
                   3216: <form method="get" action="%s">
3.189     scop     3217: <fieldset>
                   3218: <legend>Log view options</legend>
                   3219: <table summary="Log view options">
3.144     scop     3220: <tr>
3.189     scop     3221: <td class="opt-label">
                   3222: <label for="f" accesskey="D">Preferred diff type:</label>
                   3223: </td>
                   3224: <td class="opt-value">
3.144     scop     3225: EOF
3.120     scop     3226:   printDiffSelect($use_java_script);
3.144     scop     3227:   print <<EOF;
3.189     scop     3228: </td>
                   3229: <td></td>
3.144     scop     3230: </tr>
                   3231: EOF
3.120     scop     3232:
                   3233:   if (@branchnames) {
3.144     scop     3234:
                   3235:     printf(<<EOF, $use_java_script ? ' onchange="this.form.submit()"' : '');
                   3236: <tr>
3.189     scop     3237: <td class="opt-label">
3.188     scop     3238: <label for="only_with_tag" accesskey="B">View only branch:</label>
3.189     scop     3239: </td>
                   3240: <td class="opt-value">
                   3241: <a name="branch">
3.144     scop     3242: <select id="only_with_tag" name="only_with_tag"%s>
                   3243: EOF
3.120     scop     3244:
3.193     scop     3245:     my @tmp = ();
                   3246:     my $selfound = 0;
3.120     scop     3247:     foreach (reverse sort @branchnames) {
3.136     scop     3248:       my $selected =
                   3249:         (defined($input{"only_with_tag"}) && $input{"only_with_tag"} eq $_);
3.193     scop     3250:       $selfound ||= $selected;
                   3251:       push(@tmp, sprintf('<option%s>%s</option>',
3.208     scop     3252:                          $selected ? ' selected="selected"' : '',
3.193     scop     3253:                          htmlquote($_)));
3.120     scop     3254:     }
3.193     scop     3255:     printf("<option value=\"\"%s>Show all branches</option>\n",
3.208     scop     3256:            $selfound ? '' : ' selected="selected"');
3.193     scop     3257:     print join("\n", @tmp);
                   3258:
3.144     scop     3259:     print <<EOF
                   3260: </select>
3.189     scop     3261: </a>
3.144     scop     3262: </td>
                   3263: <td></td>
                   3264: </tr>
                   3265: EOF
3.120     scop     3266:   }
                   3267:
3.144     scop     3268:   print <<EOF;
3.189     scop     3269: <tr>
                   3270: <td class="opt-label">
                   3271: <label for="logsort" accesskey="L">Sort log by:</label>
                   3272: </td>
                   3273: <td>
3.144     scop     3274: EOF
3.120     scop     3275:   printLogSortSelect($use_java_script);
3.144     scop     3276:   print <<EOF;
3.189     scop     3277: </td>
3.208     scop     3278: <td><input type="submit" value="Set" accesskey="S" /></td>
3.189     scop     3279: </tr>
3.144     scop     3280: </table>
                   3281: EOF
3.154     scop     3282:   foreach (@stickyvars) {
                   3283:     next if ($_ eq "f");
                   3284:     next if ($_ eq "only_with_tag");
                   3285:     next if ($_ eq "logsort");
3.208     scop     3286:     printf("<input type=\"hidden\" name=\"$_\" value=\"%s\" />\n",
3.154     scop     3287:            htmlquote($input{$_}))
                   3288:       if (defined($input{$_})
3.194     scop     3289:           && (!defined($DEFAULTVALUE{$_}) || $input{$_} ne $DEFAULTVALUE{$_}));
3.154     scop     3290:   }
3.189     scop     3291:   print "</fieldset>\n</form>\n";
3.120     scop     3292:   html_footer();
                   3293: }
                   3294:
3.175     scop     3295:
3.120     scop     3296: sub flush_diff_rows($$$$)
                   3297: {
                   3298:   my ($leftColRef, $rightColRef, $leftRow, $rightRow) = @_;
                   3299:
3.175     scop     3300:   return unless defined($state);
3.120     scop     3301:
                   3302:   if ($state eq "PreChangeRemove") {    # we just got remove-lines before
3.133     scop     3303:     for (my $j = 0; $j < $leftRow; $j++) {
3.144     scop     3304:       printf(<<EOF, scalar(@$leftColRef[$j]));
                   3305: <tr>
                   3306:  <td class="diff-removed">&nbsp;%s</td>
                   3307:  <td class="diff-empty">&nbsp;</td>
                   3308: </tr>
                   3309: EOF
3.120     scop     3310:     }
                   3311:   } elsif ($state eq "PreChange") {     # state eq "PreChange"
                   3312:                                         # we got removes with subsequent adds
3.222     scop     3313:     if (HAS_EDIFF) {
3.176     scop     3314:       # construct the suffix tree
                   3315:       my $left_diff = join("\n", @$leftColRef[0..$leftRow-1]);
                   3316:       my $right_diff = join("\n", @$rightColRef[0..$rightRow-1]);
                   3317:       my $diff_str = String::Ediff::ediff($left_diff, $right_diff);
                   3318:
                   3319:       my @diff_str = split(/ /, $diff_str);
                   3320:       my $INFINITY = 10000000;
                   3321:       push(@diff_str, ($INFINITY) x 8);
                   3322:       my ($idx, $b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2) =
                   3323:         (0, @diff_str[0..7]);
                   3324:       my ($l_cul, $r_cul) = (0, 0);
                   3325:       my ($ldx, $rdx) = (0, 0);
                   3326:       my (@left_html, @right_html);
                   3327:       for (my $j = 0; $j < $leftRow; $j++) {
                   3328:         my $line_len = length(@$leftColRef[$j]);
                   3329:         my $line = @$leftColRef[$j];
                   3330:         $l_cul += length($line) + 1; # includes "\n"
                   3331:         my $l_culx = $l_cul - 1; # not includes "\n"
                   3332:         if ($j < $lb1) {
                   3333:           $line = spacedHtmlText($line);
                   3334:           push(@left_html, "<td class=\"diff-changed\">$line</td>");
                   3335:         } elsif ($lb1 == $j) {
                   3336:           my $html_line;
                   3337:           while ($lb1 == $j) {
                   3338:             my $begin_char = $l_culx - $b1;
                   3339:
                   3340:             $line =~ /^(.*)(.{$begin_char})$/;
                   3341:             $html_line .= spacedHtmlText($1) .
                   3342:               '</span><span class="diff-unchanged">';
                   3343:             $line = $2;
                   3344:             last if ($j != $le1);
                   3345:
                   3346:             my $end_char = $l_culx - $e1;
                   3347:             $line =~ /^(.*)(.{$end_char})$/;
                   3348:             $html_line .= spacedHtmlText($1) .
                   3349:               '</span><span class="diff-changed">';
                   3350:             $line = $2;
                   3351:
                   3352:             $idx++;
                   3353:             my ($tb1, $te1, $tlb1, $tle1, $tb2, $te2, $tlb2, $tle2) =
                   3354:               ($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2);
                   3355:             ($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2) =
                   3356:               @diff_str[$idx*8..($idx+1)*8-1];
                   3357:             $lb1 = $INFINITY if ($lb1 < 0);
                   3358:             $lb2 = $INFINITY if ($lb2 < 0);
                   3359:             $le1 = $INFINITY if ($le1 < 0);
                   3360:             $le2 = $INFINITY if ($le2 < 0);
                   3361:             if ($te1 > $b1) {
                   3362:               ($b1, $lb1) = ($te1, $tle1);
                   3363:             }
                   3364:             if ($te2 > $b2) {
                   3365:               ($b2, $lb2) = ($te2, $tle2);
                   3366:             }
                   3367:           }
                   3368:           push(@left_html,
                   3369:                sprintf('<td><span class="%s">%s%s</span></td>',
                   3370:                        'diff-changed', $html_line, spacedHtmlText($line)));
                   3371:         } elsif ($le1 == $j) {
                   3372:           my $html_line;
                   3373:           while ($le1 == $j) {
                   3374:             my $end_char = $l_culx - $e1;
                   3375:             $line =~ /^(.*)(.{$end_char})$/;
                   3376:             $html_line .= spacedHtmlText($1) .
                   3377:               '</span><span class="diff-changed">';
                   3378:             $line = $2;
                   3379:
                   3380:             $idx++;
                   3381:             my ($tb1, $te1, $tlb1, $tle1, $tb2, $te2, $tlb2, $tle2) =
                   3382:               ($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2);
                   3383:             ($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2) =
                   3384:               @diff_str[$idx*8..($idx+1)*8-1];
                   3385:             $lb1 = $INFINITY if ($lb1 < 0);
                   3386:             $lb2 = $INFINITY if ($lb2 < 0);
                   3387:             $le1 = $INFINITY if ($le1 < 0);
                   3388:             $le2 = $INFINITY if ($le2 < 0);
                   3389:             if ($te1 > $b1) {
                   3390:               ($b1, $lb1) = ($te1, $tle1);
                   3391:             }
                   3392:             if ($te2 > $b2) {
                   3393:               ($b2, $lb2) = ($te2, $tle2);
                   3394:             }
                   3395:
                   3396:             last if ($lb1 != $j);
                   3397:
                   3398:             my $begin_char = $l_culx - $b1;
                   3399:
                   3400:             $line =~ /^(.*)(.{$begin_char})$/;
                   3401:             $html_line .= spacedHtmlText($1) .
                   3402:               '</span><span class="diff-unchanged">';
                   3403:             $line = $2;
                   3404:           }
                   3405:           push(@left_html,
                   3406:                sprintf('<td><span class="%s">%s%s</span></td>',
                   3407:                        'diff-unchanged', $html_line, spacedHtmlText($line)));
                   3408:         } else {
                   3409:           $line = spacedHtmlText($line);
                   3410:           push(@left_html, "<td class=\"diff-unchanged\">$line</td>");
                   3411:         }
                   3412:       }
                   3413:       ($idx, $b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2) =
                   3414:         (0, @diff_str[0..7]);
                   3415:       $lb1 = $INFINITY if ($lb1 < 0);
                   3416:       $lb2 = $INFINITY if ($lb2 < 0);
                   3417:       $le1 = $INFINITY if ($le1 < 0);
                   3418:       $le2 = $INFINITY if ($le2 < 0);
                   3419:       for (my $j = 0; $j < $rightRow; $j++) {
                   3420:         my $line_len = length(@$rightColRef[$j]);
                   3421:         my $line = @$rightColRef[$j];
                   3422:         $r_cul += length($line) + 1; # includes "\n"
                   3423:         my $r_culx = $r_cul - 1; # not includes "\n"
                   3424:         if ($j < $lb2) {
                   3425:           $line = spacedHtmlText($line);
                   3426:           push(@right_html, "<td class=\"diff-changed\">$line</td>");
                   3427:         } elsif ($lb2 == $j) {
                   3428:           my $html_line;
                   3429:           while ($lb2 == $j) {
                   3430:             my $begin_char = $r_culx - $b2;
                   3431:
                   3432:             $line =~ /^(.*)(.{$begin_char})$/;
                   3433:             $html_line .= spacedHtmlText($1) .
                   3434:               '</span><span class="diff-unchanged">';
                   3435:             $line = $2;
                   3436:
                   3437:             last if ($j != $le2);
                   3438:
                   3439:             my $end_char = $r_culx - $e2;
                   3440:             $line =~ /^(.*)(.{$end_char})$/;
                   3441:             $html_line .= spacedHtmlText($1) .
                   3442:               '</span><span class="diff-changed">';
                   3443:             $line = $2;
                   3444:
                   3445:             $idx++;
                   3446:             my ($tb1, $te1, $tlb1, $tle1, $tb2, $te2, $tlb2, $tle2) =
                   3447:               ($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2);
                   3448:             ($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2) =
                   3449:               @diff_str[$idx*8..($idx+1)*8-1];
                   3450:             $lb1 = $INFINITY if ($lb1 < 0);
                   3451:             $lb2 = $INFINITY if ($lb2 < 0);
                   3452:             $le1 = $INFINITY if ($le1 < 0);
                   3453:             $le2 = $INFINITY if ($le2 < 0);
                   3454:             if ($te1 > $b1) {
                   3455:               ($b1, $lb1) = ($te1, $tle1);
                   3456:             }
                   3457:             if ($te2 > $b2) {
                   3458:               ($b2, $lb2) = ($te2, $tle2);
                   3459:             }
                   3460:           }
                   3461:           push(@right_html,
                   3462:                sprintf('<td><span class="%s">%s%s</span></td>',
                   3463:                        'diff-changed', $html_line, spacedHtmlText($line)));
                   3464:         } elsif ($le2 == $j) {
                   3465:           my $html_line;
                   3466:           while ($le2 == $j) {
                   3467:             my $end_char = $r_culx - $e2;
                   3468:             $line =~ /^(.*)(.{$end_char})$/;
                   3469:             $html_line .= spacedHtmlText($1) .
                   3470:               '</span><span class="diff-changed">';
                   3471:             $line = $2;
                   3472:
                   3473:             $idx++;
                   3474:             my ($tb1, $te1, $tlb1, $tle1, $tb2, $te2, $tlb2, $tle2) =
                   3475:               ($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2);
                   3476:             ($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2) =
                   3477:               @diff_str[$idx*8..($idx+1)*8-1];
                   3478:             $lb1 = $INFINITY if ($lb1 < 0);
                   3479:             $lb2 = $INFINITY if ($lb2 < 0);
                   3480:             $le1 = $INFINITY if ($le1 < 0);
                   3481:             $le2 = $INFINITY if ($le2 < 0);
                   3482:             if ($te1 > $b1) {
                   3483:               ($b1, $lb1) = ($te1, $tle1);
                   3484:             }
                   3485:             if ($te2 > $b2) {
                   3486:               ($b2, $lb2) = ($te2, $tle2);
                   3487:             }
                   3488:
                   3489:             last if ($lb2 != $j);
                   3490:
                   3491:             my $begin_char = $r_culx - $b2;
                   3492:             $line =~ /^(.*)(.{$begin_char})$/;
                   3493:             $html_line .= spacedHtmlText($1) .
                   3494:               '</span><span class="diff-unchanged">';
                   3495:             $line = $2;
                   3496:           }
                   3497:           push(@right_html,
3.208     scop     3498:                sprintf('<td nowrap="nowrap"><span class="%s">%s%s</span></td>',
3.176     scop     3499:                        'diff-unchanged', $html_line, spacedHtmlText($line)));
                   3500:         } else {
                   3501:           $line = spacedHtmlText ($line);
                   3502:           push @right_html, "<td class=\"diff-unchanged\">$line</td>";
                   3503:         }
                   3504:       }
                   3505:       for (my $j = 0; $j < $leftRow || $j < $rightRow ; $j++) { # dump out both cols
                   3506:         print  '<tr>';
                   3507:         if ($j < $leftRow) {
                   3508:           print $left_html[$j];
                   3509:         } else {
                   3510:           print '<td class="diff-changed-missing">&nbsp;</td>';
                   3511:         }
                   3512:         if ($j < $rightRow) {
                   3513:           print $right_html[$j];
                   3514:         } else {
                   3515:           print '<td class="diff-changed-missing">&nbsp;</td>';
                   3516:         }
                   3517:         print "</tr>\n";
3.120     scop     3518:       }
3.176     scop     3519:     } else {
                   3520:       for (my $j = 0; $j < $leftRow || $j < $rightRow; $j++) { # dump both cols
                   3521:         print "<tr>\n";
                   3522:         if ($j < $leftRow) {
                   3523:           print '<td class="diff-changed">&nbsp;' .
                   3524:             spacedHtmlText(@$leftColRef[$j]) . '</td>';
                   3525:         } else {
                   3526:           print '<td class="diff-changed-missing">&nbsp;</td>';
                   3527:         }
                   3528:         print "\n";
3.120     scop     3529:
3.176     scop     3530:         if ($j < $rightRow) {
                   3531:           print '<td class="diff-changed">&nbsp;' .
                   3532:             spacedHtmlText(@$rightColRef[$j]) . '</td>';
                   3533:         } else {
                   3534:           print '<td class="diff-changed-missing">&nbsp;</td>';
                   3535:         }
                   3536:         print "\n</tr>\n";
3.120     scop     3537:       }
                   3538:     }
                   3539:   }
3.1       knu      3540: }
                   3541:
3.175     scop     3542:
3.1       knu      3543: ##
                   3544: # Function to generate Human readable diff-files
                   3545: # human_readable_diff(String revision_to_return_to);
                   3546: ##
3.144     scop     3547: sub human_readable_diff($$)
3.120     scop     3548: {
                   3549:   my ($fh, $rev) = @_;
3.144     scop     3550:
3.169     scop     3551:   (my $where_nd       = $where)       =~ s|\.diff$||;
                   3552:   (my $filename       = $where_nd)    =~ s|^.*/||;
                   3553:   (my $pathname       = $where_nd)    =~ s|(Attic/)?[^/]*$||;
                   3554:   (my $scriptwhere_nd = $scriptwhere) =~ s|\.diff$||;
3.120     scop     3555:
3.133     scop     3556:   navigateHeader($scriptwhere_nd, $pathname, $filename, $rev, 'diff');
3.120     scop     3557:
3.178     scop     3558:   # Read header to pick up read revision and date, if possible.
                   3559:
                   3560:   my ($r1d, $r1r, $r2d, $r2r);
3.120     scop     3561:   while (<$fh>) {
                   3562:     ($r1d, $r1r) = /\t(.*)\t(.*)$/ if (/^--- /);
                   3563:     ($r2d, $r2r) = /\t(.*)\t(.*)$/ if (/^\+\+\+ /);
                   3564:     last if (/^\+\+\+ /);
                   3565:   }
                   3566:
3.178     scop     3567:   my ($rev1, $date1);
3.120     scop     3568:   if (defined($r1r) && $r1r =~ /^(\d+\.)+\d+$/) {
                   3569:     $rev1  = $r1r;
                   3570:     $date1 = $r1d;
                   3571:   }
3.178     scop     3572:   my ($rev2, $date2);
3.120     scop     3573:   if (defined($r2r) && $r2r =~ /^(\d+\.)+\d+$/) {
                   3574:     $rev2  = $r2r;
                   3575:     $date2 = $r2d;
                   3576:   }
3.178     scop     3577:   $rev1  = 'unknown-left'  unless defined($rev1);
                   3578:   $rev2  = 'unknown-right' unless defined($rev2);
                   3579:   $date1 = defined($date1) ? ', ' . htmlquote($date1) : '';
                   3580:   $date2 = defined($date2) ? ', ' . htmlquote($date2) : '';
3.120     scop     3581:
3.219     scop     3582:   my $link = uri_escape($filename) . $query;
3.210     scop     3583:
3.144     scop     3584:   # Using <table style=\"border: none\" here breaks NS 4.x badly...
3.210     scop     3585:   print <<EOF;
                   3586: <h3 style="text-align: center">Diff for /$where_nd between versions $rev1 and $rev2</h3>
                   3587: <table border="0" cellspacing="0" cellpadding="0" width="100%" summary="Diff output">
3.144     scop     3588: <tr style="background-color: #ffffff">
3.210     scop     3589: <th style="text-align: center; vertical-align: top" width="50%">
                   3590: <a href="$link;rev=$rev1">version $rev1</a>$date1
3.178     scop     3591: </th>
3.210     scop     3592: <th style="text-align: center; vertical-align: top" width="50%">
                   3593: <a href="$link;rev=$rev2">version $rev2</a>$date2
3.144     scop     3594: </th>
3.178     scop     3595: </tr>
3.144     scop     3596: EOF
3.120     scop     3597:
                   3598:   # Process diff text
                   3599:   # prefetch several lines
                   3600:   my @buf = head($fh);
3.144     scop     3601:   my %d = scan_directives(@buf);
3.120     scop     3602:
3.144     scop     3603:   my $leftRow  = 0;
                   3604:   my $rightRow = 0;
                   3605:   my ($difftxt, @rightCol, @leftCol, $oldline, $newline, $funname);
3.120     scop     3606:
3.219     scop     3607:   $link .= ';content-type=text%2Fx-cvsweb-markup';
3.210     scop     3608:   $link .= ';ln=1' unless ($link =~ /\?.*\bln=1\b/);
                   3609:
3.120     scop     3610:   while (@buf || !eof($fh)) {
                   3611:     $difftxt = @buf ? shift @buf : <$fh>;
                   3612:
                   3613:     if ($difftxt =~ /^@@/) {
                   3614:       ($oldline, $newline, $funname) =
                   3615:         $difftxt =~ /@@ \-([0-9]+).*\+([0-9]+).*@@(.*)/;
                   3616:       $funname = htmlquote($funname);
                   3617:       $funname =~ s/\s/&nbsp;/go;
3.182     scop     3618:       $funname &&= "&nbsp;<span style=\"font-size: smaller\">$funname</span>";
3.210     scop     3619:       my $ol = $oldline || 1;
                   3620:       my $nl = $newline || 1;
3.144     scop     3621:
3.210     scop     3622:       print <<EOF;
3.182     scop     3623: <tr>
3.210     scop     3624: <td width="50%" class="diff-heading">
                   3625:  <b><a href="$link;rev=$rev1#l$ol">Line&nbsp;$oldline</a></b>$funname
3.182     scop     3626: </td>
3.210     scop     3627: <td width="50%" class="diff-heading">
                   3628:  <b><a href="$link;rev=$rev2#l$nl">Line&nbsp;$newline</a></b>$funname
3.144     scop     3629: </td>
3.208     scop     3630: </tr>
3.144     scop     3631: EOF
                   3632:
3.120     scop     3633:       $state    = "dump";
                   3634:       $leftRow  = 0;
                   3635:       $rightRow = 0;
                   3636:     } else {
3.224   ! scop     3637:       my ($diffcode, $rest) = $difftxt =~ /^([-+ ])(.*)/;
        !          3638:       $diffcode = '' unless defined($diffcode);
3.176     scop     3639:       $_ = $rest;
3.120     scop     3640:
                   3641:       #########
                   3642:       # little state machine to parse unified-diff output (Hen, zeller@think.de)
                   3643:       # in order to get some nice 'ediff'-mode output
                   3644:       # states:
                   3645:       #  "dump"             - just dump the value
                   3646:       #  "PreChangeRemove"  - we began with '-' .. so this could be the start of a 'change' area or just remove
                   3647:       #  "PreChange"        - okey, we got several '-' lines and moved to '+' lines -> this is a change block
                   3648:       ##########
                   3649:
                   3650:       if ($diffcode eq '+') {
                   3651:         if ($state eq "dump")
                   3652:         {    # 'change' never begins with '+': just dump out value
3.176     scop     3653:           $_ = spacedHtmlText($rest, $d{'tabstop'});
3.144     scop     3654:           printf(<<EOF, $_);
                   3655: <tr>
                   3656:  <td class="diff-empty">&nbsp;</td>
                   3657:  <td class="diff-added">&nbsp;%s</td>
                   3658: </tr>
                   3659: EOF
3.120     scop     3660:         } else {    # we got minus before
                   3661:           $state = "PreChange";
                   3662:           $rightCol[$rightRow++] = $_;
                   3663:         }
                   3664:       } elsif ($diffcode eq '-') {
                   3665:         $state = "PreChangeRemove";
                   3666:         $leftCol[$leftRow++] = $_;
                   3667:       } else {    # empty diffcode
                   3668:         flush_diff_rows \@leftCol, \@rightCol, $leftRow, $rightRow;
3.176     scop     3669:         $_ = spacedHtmlText($rest, $d{'tabstop'});
3.147     scop     3670:         printf(<<EOF, $_, $_);
3.144     scop     3671: <tr>
                   3672:  <td class="diff-same">&nbsp;%s</td>
                   3673:  <td class="diff-same">&nbsp;%s</td>
                   3674: </tr>
                   3675: EOF
3.120     scop     3676:         $state    = "dump";
                   3677:         $leftRow  = 0;
                   3678:         $rightRow = 0;
                   3679:       }
                   3680:     }
                   3681:   }
                   3682:   close($fh);
                   3683:
                   3684:   flush_diff_rows \@leftCol, \@rightCol, $leftRow, $rightRow;
                   3685:
                   3686:   # state is empty if we didn't have any change
                   3687:   if (!$state) {
3.144     scop     3688:     print <<EOF;
                   3689: <tr>
                   3690:  <td colspan="2">&nbsp;</td>
                   3691: </tr>
                   3692: <tr class="diff-empty">
                   3693:  <td colspan="2" align="center"><b>- No viewable change -</b></td>
                   3694: </tr>
                   3695: EOF
3.120     scop     3696:   }
                   3697:
3.182     scop     3698:   printf(<<EOF, $scriptwhere);
3.144     scop     3699: </table>
3.208     scop     3700: <hr style="width: 100%%" />
3.144     scop     3701: <form method="get" action="%s">
3.182     scop     3702: <div style="float: left">
3.208     scop     3703: <label for="f">Diff format:<br />
3.144     scop     3704: EOF
3.168     scop     3705:   printDiffSelectStickyVars();
3.120     scop     3706:   printDiffSelect($use_java_script);
3.182     scop     3707:   printf(<<EOF, $rev1, $rev2);
3.179     scop     3708: </label>
3.208     scop     3709: <input type="submit" value="Show" />
3.182     scop     3710: </div>
                   3711: <table style="float: right; border: thin outset" cellspacing="0" cellpadding="1" title="Legend" summary="Legend">
                   3712:  <tr>
                   3713:   <td align="center" class="diff-removed">Removed from v.%s</td>
                   3714:   <td class="diff-empty">&nbsp;</td>
                   3715:  </tr><tr class="diff-changed">
                   3716:   <td align="center" colspan="2">changed lines</td>
                   3717:  </tr><tr>
                   3718:   <td class="diff-empty">&nbsp;</td>
                   3719:   <td align="center" class="diff-added">Added in v.%s</td>
                   3720:  </tr>
3.144     scop     3721: </table>
                   3722: </form>
3.208     scop     3723: <br clear="all" />
3.144     scop     3724: EOF
3.120     scop     3725: }
3.167     scop     3726:
                   3727:
                   3728: sub doEnscript($$$)
                   3729: {
                   3730:   my ($filehandle, $highlight, $linenumbers) = @_;
                   3731:
3.174     scop     3732:   my @cmd = ($CMD{enscript},
                   3733:              @enscript_options,
                   3734:              qw(-q --language=cvsweb -o -),
                   3735:              "--highlight=$highlight");
                   3736:
                   3737:   local *ENSCRIPT_OUT;
                   3738:   my ($h, $err) =
                   3739:     startproc(\@cmd, $filehandle, '>pipe', \*ENSCRIPT_OUT, timeout(30));
                   3740:   fatal('500 Internal Error', $err) unless $h;
                   3741:
                   3742:   # We could short-circuit and have enscript output directly to STDOUT above,
                   3743:   # but that doesn't work with mod_perl (at least some 1.99 versions).
                   3744:   if ($linenumbers) {
                   3745:     my $ln = 0;
                   3746:     while (<ENSCRIPT_OUT>) {
                   3747:       printf '<a id="l%d" class="src">%5d: </a>', (++$ln) x 2;
                   3748:       print $_;
3.167     scop     3749:     }
3.174     scop     3750:   } else {
                   3751:     local $/ = undef;
                   3752:     print <ENSCRIPT_OUT>;
3.167     scop     3753:   }
3.174     scop     3754:   finish($h);
3.167     scop     3755: }
                   3756:
3.120     scop     3757:
3.163     scop     3758: sub navigateHeader($$$$$;$)
3.120     scop     3759: {
3.163     scop     3760:   my ($swhere, $path, $filename, $rev, $title, $moddate) = @_;
3.120     scop     3761:   $swhere = "" if ($swhere eq $scriptwhere);
                   3762:   $swhere = './' . urlencode($filename) if ($swhere eq "");
                   3763:
3.136     scop     3764:   my $qfile = htmlquote($filename);
                   3765:   my $qpath = htmlquote($path);
3.170     scop     3766:   my $trev  = $rev ? " - $rev" : '';
3.100     knu      3767:
3.163     scop     3768:   http_header('', $moddate);
3.133     scop     3769:
3.120     scop     3770:   print <<EOF;
3.100     knu      3771: $HTML_DOCTYPE
3.89      knu      3772: <html>
                   3773: <head>
3.170     scop     3774: <title>$qpath$qfile - $title$trev</title>
3.144     scop     3775: $HTML_META$CSS</head>
3.129     scop     3776: <body class="src">
3.182     scop     3777: <table class="navigate-header" width="100%">
3.184     scop     3778:  <tr>
                   3779:   <td>
3.64      knu      3780: EOF
                   3781:
3.170     scop     3782:   print &link($backicon, "$swhere$query" . ($rev ? "#rev$rev" : ''));
3.136     scop     3783:   printf '<b>Return to %s CVS log',
3.205     scop     3784:     &link($qfile, "$swhere$query" . ($rev ? "#rev$rev" : ''));
3.120     scop     3785:   print "</b> $fileicon</td>";
                   3786:
3.144     scop     3787:   printf(<<EOF, $diricon, &clickablePath($path, 1));
3.182     scop     3788:   <td style="text-align: right">%s <b>Up to %s</b></td>
3.144     scop     3789:  </tr>
                   3790: </table>
                   3791: EOF
3.120     scop     3792: }
                   3793:
3.175     scop     3794:
3.120     scop     3795: sub plural_write($$)
                   3796: {
                   3797:   my ($num, $text) = @_;
                   3798:   if ($num != 1) {
                   3799:     $text .= "s";
                   3800:   }
                   3801:
                   3802:   if ($num > 0) {
                   3803:     return join (' ', $num, $text);
                   3804:   } else {
                   3805:     return "";
                   3806:   }
3.1       knu      3807: }
                   3808:
3.175     scop     3809:
3.1       knu      3810: ##
                   3811: # print readable timestamp in terms of
                   3812: # '..time ago'
                   3813: # H. Zeller <zeller@think.de>
                   3814: ##
3.120     scop     3815: sub readableTime($$)
                   3816: {
                   3817:   my ($secs, $long) = @_;
                   3818:
3.175     scop     3819:   # This function works correctly for time >= 2 seconds.
                   3820:   return 'very little time' if ($secs < 2);
3.120     scop     3821:
                   3822:   my %desc = (
3.133     scop     3823:               1        => 'second',
                   3824:               60       => 'minute',
                   3825:               3600     => 'hour',
                   3826:               86400    => 'day',
                   3827:               604800   => 'week',
                   3828:               2628000  => 'month',
                   3829:               31536000 => 'year'
                   3830:              );
                   3831:
3.120     scop     3832:   my @breaks = sort { $a <=> $b } keys %desc;
3.133     scop     3833:   my $i = 0;
3.120     scop     3834:
                   3835:   while ($i <= $#breaks && $secs >= 2 * $breaks[$i]) {
                   3836:     $i++;
                   3837:   }
                   3838:   $i--;
3.133     scop     3839:   my $break  = $breaks[$i];
                   3840:   my $retval = plural_write(int($secs / $break), $desc{$break});
3.120     scop     3841:
                   3842:   if ($long == 1 && $i > 0) {
                   3843:     my $rest = $secs % $break;
                   3844:     $i--;
                   3845:     $break = $breaks[$i];
                   3846:     my $resttime = plural_write(int($rest / $break), $desc{$break});
                   3847:     if ($resttime) {
                   3848:       $retval .= ", $resttime";
                   3849:     }
                   3850:   }
3.1       knu      3851:
3.120     scop     3852:   return $retval;
3.1       knu      3853: }
                   3854:
3.175     scop     3855:
3.1       knu      3856: ##
                   3857: # clickablePath(String pathname, boolean last_item_clickable)
                   3858: #
                   3859: # returns a html-ified path whereas each directory is a link for
                   3860: # faster navigation. last_item_clickable controls whether the
                   3861: # basename (last directory/file) is a link as well
                   3862: ##
3.120     scop     3863: sub clickablePath($$)
                   3864: {
                   3865:   my ($pathname, $clickLast) = @_;
                   3866:
3.154     scop     3867:   my $root = '[' . htmlquote($CVSROOTdescr{$cvstree} || $cvstree) . ']';
                   3868:
3.144     scop     3869:   # This should never happen (see chooseCVSRoot()), but let's be sure...
3.154     scop     3870:   return $root if ($pathname eq '/');
3.120     scop     3871:
3.144     scop     3872:   my $retval =
3.154     scop     3873:     ' ' . &link($root, sprintf('%s/%s#dirlist', $scriptname, $query));
3.144     scop     3874:   my $wherepath = '';
                   3875:   my ($lastslash) = $pathname =~ m|/$|;
                   3876:
                   3877:   foreach (split (/\//, $pathname)) {
                   3878:     $retval .= ' / ';
                   3879:     $wherepath .= "/$_";
                   3880:     my $last = "$wherepath/" eq "/$pathname" || $wherepath eq "/$pathname";
                   3881:
                   3882:     if ($clickLast || !$last) {
                   3883:       $retval .= &link(htmlquote($_),
                   3884:                        join ('',
                   3885:                              $scriptname, urlencode($wherepath),
                   3886:                              (!$last || $lastslash ? '/' : ''), $query,
                   3887:                              (!$last || $lastslash ? "#dirlist" : "")));
                   3888:     } else {    # do not make a link to the current dir
                   3889:       $retval .= htmlquote($_);
3.120     scop     3890:     }
                   3891:   }
                   3892:   return $retval;
                   3893: }
                   3894:
3.144     scop     3895:
3.120     scop     3896: sub chooseCVSRoot()
                   3897: {
3.208     scop     3898:   print "<form method=\"get\" action=\"${scriptwhere}\">\n<p>\n";
3.120     scop     3899:   if (2 <= @CVSROOT) {
3.133     scop     3900:     foreach my $k (keys %input) {
3.208     scop     3901:       printf("<input type=\"hidden\" name=\"%s\" value=\"%s\" />\n",
3.154     scop     3902:              htmlquote($k), htmlquote($input{$k}))
                   3903:         if ($input{$k} && $k ne 'cvsroot');
3.120     scop     3904:     }
                   3905:
3.144     scop     3906:     printf(<<EOF, $use_java_script ? ' onchange="this.form.submit()"' : '');
3.208     scop     3907: <label for="cvsroot" accesskey="C">CVS Root:
3.144     scop     3908: <select id="cvsroot" name="cvsroot"%s>
                   3909: EOF
3.120     scop     3910:
3.133     scop     3911:     foreach my $k (@CVSROOT) {
3.136     scop     3912:       printf("<option value=\"%s\"%s>%s</option>\n",
                   3913:              htmlquote($k),
3.208     scop     3914:              ($k eq $cvstree) ? ' selected="selected"' : '',
3.136     scop     3915:              htmlquote($CVSROOTdescr{$k} || $k));
3.120     scop     3916:     }
3.208     scop     3917:     print '</select></label>';
3.120     scop     3918:   } else {
                   3919:
                   3920:     # no choice -- but we need the form to select module/path,
                   3921:     # at least for Netscape
3.208     scop     3922:     printf "CVS Root: <b>[%s]</b>",
3.154     scop     3923:       htmlquote($CVSROOTdescr{$cvstree} || $cvstree);
3.120     scop     3924:   }
                   3925:
3.144     scop     3926:   print <<EOF;
                   3927: <label for="mpath" accesskey="M">
                   3928: Module path or alias:
3.208     scop     3929: <input type="text" id="mpath" name="path" value="" size="15" />
3.144     scop     3930: </label>
3.208     scop     3931: <input type="submit" value="Go" accesskey="O" />
                   3932: </p>
                   3933: </form>
3.144     scop     3934: EOF
3.120     scop     3935: }
                   3936:
3.175     scop     3937:
3.120     scop     3938: sub chooseMirror()
                   3939: {
                   3940:   # This code comes from the original BSD-cvsweb
                   3941:   # and may not be useful for your site; If you don't
                   3942:   # set %MIRRORS this won't show up, anyway.
                   3943:   scalar(%MIRRORS) or return;
                   3944:
                   3945:   # Should perhaps exclude the current site somehow...
                   3946:   print "\n<p>\nThis CVSweb is mirrored in\n";
                   3947:
                   3948:   my @tmp = map(&link(htmlquote($_), $MIRRORS{$_}), sort keys %MIRRORS);
                   3949:   my $tmp = pop (@tmp);
                   3950:
                   3951:   if (scalar(@tmp)) {
                   3952:     print join (', ', @tmp), ' and ';
                   3953:   }
                   3954:
                   3955:   print "$tmp.\n</p>\n";
                   3956: }
                   3957:
3.175     scop     3958:
3.120     scop     3959: sub fileSortCmp()
                   3960: {
3.175     scop     3961:   (my $af = $a) =~ s/,v$//;
                   3962:   (my $bf = $b) =~ s/,v$//;
3.120     scop     3963:   my ($rev1, $date1, $log1, $author1, $filename1) = @{$fileinfo{$af}}
                   3964:     if (defined($fileinfo{$af}));
                   3965:   my ($rev2, $date2, $log2, $author2, $filename2) = @{$fileinfo{$bf}}
                   3966:     if (defined($fileinfo{$bf}));
                   3967:
3.175     scop     3968:   my $comp = 0;
3.140     scop     3969:   if (defined($filename1) && defined($filename2) &&
                   3970:       $af eq $filename1   && $bf eq $filename2)
3.120     scop     3971:   {
                   3972:
                   3973:     # Two files
3.140     scop     3974:     $comp = -revcmp($rev1, $rev2)             if ($byrev  && $rev1  && $rev2);
                   3975:     $comp = ($date2   <=> $date1)             if ($bydate && $date1 && $date2);
                   3976:     if ($input{ignorecase}) {
                   3977:       $comp = (uc($log1)    cmp uc($log2))    if ($bylog && $log1 && $log2);
                   3978:       $comp = (uc($author1) cmp uc($author2)) if ($byauthor &&
                   3979:                                                   $author1 && $author2);
                   3980:     } else {
                   3981:       $comp = ($log1    cmp $log2)            if ($bylog && $log1 && $log2);
                   3982:       $comp = ($author1 cmp $author2)         if ($byauthor &&
                   3983:                                                   $author1 && $author2);
                   3984:     }
3.120     scop     3985:   }
                   3986:
                   3987:   if ($comp == 0) {
                   3988:
                   3989:     # Directories first, then files under version control,
                   3990:     # then other, "rogue" files.
                   3991:     # Sort by filename if no other criteria available.
                   3992:
                   3993:     my $ad = (
                   3994:       (-d "$fullname/$a")
                   3995:       ? 'D'
                   3996:       : (defined($fileinfo{$af}) ? 'F' : 'R')
                   3997:     );
                   3998:     my $bd = (
                   3999:       (-d "$fullname/$b")
                   4000:       ? 'D'
                   4001:       : (defined($fileinfo{$bf}) ? 'F' : 'R')
                   4002:     );
3.175     scop     4003:     (my $c = $a) =~ s|.*/||;
                   4004:     (my $d = $b) =~ s|.*/||;
3.144     scop     4005:
                   4006:     my ($l, $r) = ("$ad$c", "$bd$d");
                   4007:     $comp = $input{ignorecase} ? (uc($l) cmp uc($r)) : ($l cmp $r);
                   4008:
                   4009:     # Parent dir is always first, then Attic.
                   4010:     if ($comp != 0) {
                   4011:       if ($l eq 'D..') {
3.149     scop     4012:         $comp = -1;
3.144     scop     4013:       } elsif ($r eq 'D..') {
3.149     scop     4014:         $comp = 1;
3.144     scop     4015:       } elsif ($l eq 'DAttic') {
3.149     scop     4016:         $comp = -1;
3.144     scop     4017:       } elsif ($r eq 'DAttic') {
3.149     scop     4018:         $comp = 1;
3.144     scop     4019:       }
                   4020:     }
3.120     scop     4021:   }
                   4022:   return $comp;
3.1       knu      4023: }
                   4024:
3.220     scop     4025: #
                   4026: # Returns a URL to download the selected revision.
                   4027: #
3.120     scop     4028: sub download_url($$;$)
                   4029: {
                   4030:   my ($url, $revision, $mimetype) = @_;
                   4031:   $revision =~ s/\b0\.//;
3.1       knu      4032:
3.222     scop     4033:   if (!defined($mimetype) || $mimetype !~ CVSWEBMARKUP) {
3.120     scop     4034:     my $path = $where;
                   4035:     $path =~ s|[^/]+$||;
3.222     scop     4036:     $url = "$scriptname/$CheckoutMagic/${path}$url";
3.120     scop     4037:   }
3.219     scop     4038:   $url .= '?rev=' . uri_escape($revision);
                   4039:   $url .= ';content-type=' . uri_escape($mimetype) if $mimetype;
3.67      knu      4040:
3.175     scop     4041:   return $url;
3.1       knu      4042: }
                   4043:
3.175     scop     4044: #
3.220     scop     4045: # Returns a link to download the selected revision.
3.175     scop     4046: #
3.120     scop     4047: sub download_link($$$;$)
                   4048: {
                   4049:   my ($url, $revision, $textlink, $mimetype) = @_;
3.175     scop     4050:   my $fullurl = download_url($url, $revision, $mimetype);
3.220     scop     4051:   return sprintf('<a href="%s" class="download-link">%s</a>',
                   4052:                  hrefquote("$fullurl$barequery"), htmlquote($textlink));
3.218     scop     4053: }
3.120     scop     4054:
3.219     scop     4055: #
                   4056: # Returns a URL to display the selected revision.
                   4057: #
                   4058: sub display_url($$;$)
                   4059: {
                   4060:   my ($url, $revision, $mimetype) = @_;
                   4061:   $url .= '?rev=' . uri_escape($revision);
                   4062:   $url .= ';content-type=' . uri_escape($mimetype) if $mimetype;
                   4063:   return $url;
                   4064: }
                   4065:
                   4066: #
                   4067: # Returns a link to display the selected revision.
                   4068: #
                   4069: sub display_link($$;$$)
                   4070: {
                   4071:   my ($url, $revision, $textlink, $mtype) = @_;
                   4072:   $textlink = $revision unless defined($textlink);
                   4073:   return sprintf('<a href="%s" class="display-link">%s</a>',
                   4074:                  hrefquote(display_url($url, $revision, $mtype) . $barequery),
                   4075:                  htmlquote($textlink));
                   4076: }
3.132     scop     4077:
3.170     scop     4078: sub graph_link($;$)
3.132     scop     4079: {
3.170     scop     4080:   my ($url, $text) = @_;
3.132     scop     4081:   $text ||= $graphicon;
3.170     scop     4082:   return sprintf('<a href="%s?graph=1%s">%s</a>',
                   4083:                  hrefquote($url), hrefquote($barequery), $text);
3.1       knu      4084: }
                   4085:
                   4086: # Returns a Query string with the
                   4087: # specified parameter toggled
3.140     scop     4088: sub toggleQuery($;$)
3.120     scop     4089: {
                   4090:   my ($toggle, $value) = @_;
3.133     scop     4091:
                   4092:   my %vars = %input;
3.120     scop     4093:
                   4094:   if (defined($value)) {
                   4095:     $vars{$toggle} = $value;
                   4096:   } else {
                   4097:     $vars{$toggle} = $vars{$toggle} ? 0 : 1;
                   4098:   }
                   4099:
                   4100:   # Build a new query of non-default paramenters
3.133     scop     4101:   my $newquery = "";
                   4102:   foreach my $var (@stickyvars) {
3.120     scop     4103:     my ($value)   = defined($vars{$var})         ? $vars{$var}         : "";
                   4104:     my ($default) = defined($DEFAULTVALUE{$var}) ? $DEFAULTVALUE{$var} : "";
                   4105:
                   4106:     if ($value ne $default) {
3.203     scop     4107:       $newquery .= ';' if ($newquery ne "");
3.206     scop     4108:       $newquery .= uri_escape($var) . '=' . uri_escape($value);
3.120     scop     4109:     }
                   4110:   }
                   4111:
                   4112:   if ($newquery) {
                   4113:     return '?' . $newquery;
                   4114:   }
                   4115:   return "";
                   4116: }
                   4117:
                   4118: sub urlencode($)
                   4119: {
                   4120:   local ($_) = @_;
                   4121:   s/[\000-+{-\377]/sprintf("%%%02x", ord($&))/ge;
3.175     scop     4122:   return $_;
3.120     scop     4123: }
                   4124:
                   4125: sub htmlquote($)
                   4126: {
                   4127:   local ($_) = @_;
                   4128:   # Special Characters; RFC 1866
                   4129:   s/&/&amp;/g;
                   4130:   s/\"/&quot;/g;
                   4131:   s/</&lt;/g;
                   4132:   s/>/&gt;/g;
3.175     scop     4133:   return $_;
3.120     scop     4134: }
                   4135:
                   4136: sub htmlunquote($)
                   4137: {
                   4138:   local ($_) = @_;
                   4139:   # Special Characters; RFC 1866
                   4140:   s/&quot;/\"/g;
                   4141:   s/&lt;/</g;
                   4142:   s/&gt;/>/g;
                   4143:   s/&amp;/&/g;
3.175     scop     4144:   return $_;
3.120     scop     4145: }
                   4146:
                   4147: sub hrefquote($)
                   4148: {
                   4149:   local ($_) = @_;
                   4150:
                   4151:   y/ /+/;
                   4152:
                   4153:   htmlquote($_);
                   4154: }
                   4155:
3.163     scop     4156: sub http_header(;$$)
3.120     scop     4157: {
3.163     scop     4158:   my ($content_type, $moddate) = @_;
                   4159:   $content_type ||= 'text/html';
3.120     scop     4160:
                   4161:   $content_type .= "; charset=$charset"
3.163     scop     4162:     if ($charset && $content_type =~ m,^text/,);
3.120     scop     4163:
3.185     scop     4164:   # Note that in the following, we explicitly join() and concatenate the
                   4165:   # headers instead of printing them as an array.  This is because some
                   4166:   # systems, eg. early versions of mod_perl 2 don't quite get it if the
                   4167:   # last \r\n\r\n isn't included in the last "payload" header print().
                   4168:
                   4169:   my @headers = ();
                   4170:   # TODO: ctime(3) from scalar gmtime() isn't HTTP compliant, see HTTP::Date.
                   4171:   push(@headers, 'Last-Modified: ' . scalar gmtime($moddate) . ' GMT')
                   4172:     if $moddate;
                   4173:   push(@headers, 'Content-Type: ' . $content_type);
3.120     scop     4174:
                   4175:   if ($allow_compress && $maycompress) {
3.222     scop     4176:     if (HAS_ZLIB
3.120     scop     4177:         || (defined($CMD{gzip}) && open(GZIP, "| $CMD{gzip} -1 -c")))
                   4178:     {
                   4179:
3.185     scop     4180:       push(@headers, 'Content-Encoding: x-gzip');
                   4181:       push(@headers, 'Vary: Accept-Encoding');     # RFC 2616, 14.44
                   4182:       print join("\r\n", @headers) . "\r\n\r\n";
                   4183:
3.120     scop     4184:       $| = 1;
3.185     scop     4185:       $| = 0;                                      # Flush header output.
3.120     scop     4186:
3.222     scop     4187:       tie(*GZIP, __PACKAGE__, \*STDOUT) if HAS_ZLIB;
3.120     scop     4188:       select(GZIP);
                   4189:       $gzip_open = 1;
                   4190:
                   4191:     } else {
3.185     scop     4192:
                   4193:       print join("\r\n", @headers) . "\r\n\r\n";
3.120     scop     4194:       print
3.208     scop     4195:         "<span style=\"font-size: smaller\">Unable to find gzip binary in the <b>\$command_path</b> ($command_path) to compress output</span><br />";
3.120     scop     4196:     }
3.185     scop     4197:
3.120     scop     4198:   } else {
3.185     scop     4199:     print join("\r\n", @headers) . "\r\n\r\n";
3.120     scop     4200:   }
                   4201: }
                   4202:
3.131     scop     4203:
3.163     scop     4204: sub html_header($;$)
3.120     scop     4205: {
3.163     scop     4206:   my ($title, $moddate) = @_;
                   4207:   $title = htmlquote($title);
3.162     scop     4208:   my $l = $logo || '';
3.163     scop     4209:   http_header('text/html', $moddate);
3.120     scop     4210:   print <<EOH;
3.100     knu      4211: $HTML_DOCTYPE
3.1       knu      4212: <html>
3.40      knu      4213: <head>
3.134     scop     4214: <title>$title</title>
3.144     scop     4215: $HTML_META$CSS</head>
3.129     scop     4216: <body>
3.182     scop     4217: $l <h1>$title</h1>
3.1       knu      4218: EOH
                   4219: }
                   4220:
3.120     scop     4221: sub html_footer()
                   4222: {
3.208     scop     4223:   print "<hr />\n<address>$address</address>\n" if $address;
3.127     scop     4224:   print "</body>\n</html>\n";
3.1       knu      4225: }
                   4226:
3.120     scop     4227: sub link_tags($)
                   4228: {
                   4229:   my ($tags) = @_;
                   4230:   my ($ret)  = "";
                   4231:   my ($fileurl, $filename);
                   4232:
                   4233:   ($filename = $where) =~ s/^.*\///;
                   4234:   $fileurl = './' . urlencode($filename);
                   4235:
                   4236:   foreach my $sym (split (", ", $tags)) {
                   4237:     $ret .= ",\n" if ($ret ne "");
3.136     scop     4238:     $ret .= &link(htmlquote($sym),
                   4239:                   $fileurl . toggleQuery('only_with_tag', $sym));
3.120     scop     4240:   }
3.219     scop     4241:   return $ret;
3.1       knu      4242: }
                   4243:
3.175     scop     4244:
3.1       knu      4245: #
3.221     scop     4246: # See if a module is listed in the config file's @HideModules list, ie. if
                   4247: # it should not be shown.  Takes a path relative to the CVS root.
3.1       knu      4248: #
3.120     scop     4249: sub forbidden_module($)
                   4250: {
                   4251:   my ($module) = @_;
3.175     scop     4252:   for my $hidden_re (@HideModules) {
                   4253:     return 1 if ($module =~ $hidden_re);
3.120     scop     4254:   }
                   4255:   return 0;
                   4256: }
                   4257:
3.175     scop     4258:
3.221     scop     4259: #
                   4260: # See if a file is listed in the config file's @ForbiddenFiles list, ie.
                   4261: # if it should not be shown.  Takes a full file system path, without
                   4262: # the trailing ",v".
                   4263: #
3.120     scop     4264: sub forbidden_file($)
                   4265: {
                   4266:   my ($path) = @_;
                   4267:   $path = substr($path, length($cvsroot) + 1);
3.175     scop     4268:   for my $forbidden_re (@ForbiddenFiles) {
                   4269:     return 1 if ($path =~ $forbidden_re);
3.120     scop     4270:   }
                   4271:   return 0;
3.174     scop     4272: }
                   4273:
                   4274:
                   4275: #
                   4276: # Starts a process using IPC::Run.  All arguments are passed to
                   4277: # IPC::Run::start() as-is.  Returns an array ($harness, $error) where
                   4278: # $harness is from IPC::Run if start() succeeds, undef otherwise.  In case
3.184     scop     4279: # of an error, $error contains the error message.
3.174     scop     4280: #
3.191     scop     4281: sub startproc(@)
3.174     scop     4282: {
3.215     scop     4283:   my $h = my $err = undef;
3.174     scop     4284:   eval {
                   4285:     local $SIG{__DIE__};
3.215     scop     4286:     $h = IPC::Run::start(@_) or die("return code: $?");
3.174     scop     4287:   };
3.215     scop     4288:   if ($@) {
                   4289:     finish($h) if $h;
                   4290:     $h = undef;
                   4291:     $err = "'@{$_[0]}' failed: $@";
                   4292:   }
3.174     scop     4293:   return ($h, $err);
3.215     scop     4294: }
                   4295:
                   4296: #
                   4297: # Runs a process using IPC::Run.  All arguments are passed to
                   4298: # IPC::Run::run() as-is.  Returns an array ($exitcode, $errormsg).
                   4299: #
                   4300: sub runproc(@)
                   4301: {
                   4302:   eval {
                   4303:     local $SIG{__DIE__};
                   4304:     IPC::Run::run(@_);
                   4305:   };
                   4306:   my $exitcode = $? >> 8;
                   4307:   my $errormsg  = undef;
                   4308:   if ($@) {
                   4309:     $exitcode ||= -1;
                   4310:     $errormsg = "'@{$_[0]}' failed: $@";
                   4311:   }
                   4312:   return ($exitcode, $errormsg);
3.129     scop     4313: }
                   4314:
3.25      knu      4315:
3.173     scop     4316: # Close the GZIP handle, and remove the tie.
3.120     scop     4317: sub gzipclose
                   4318: {
                   4319:   if ($gzip_open) {
                   4320:     select(STDOUT);
                   4321:     close(GZIP);
                   4322:     untie *GZIP;
                   4323:     $gzip_open = 0;
                   4324:   }
3.23      knu      4325: }
                   4326:
                   4327: # implement a gzipped file handle via the Compress:Zlib compression
                   4328: # library.
                   4329:
                   4330: sub MAGIC1() { 0x1f }
                   4331: sub MAGIC2() { 0x8b }
3.80      knu      4332: sub OSCODE() { 3 }
3.23      knu      4333:
3.120     scop     4334: sub TIEHANDLE
                   4335: {
                   4336:   my ($class, $out) = @_;
                   4337:   my ($d) = Compress::Zlib::deflateInit(
                   4338:     -Level      => Compress::Zlib::Z_BEST_COMPRESSION(),
                   4339:     -WindowBits => -Compress::Zlib::MAX_WBITS()
                   4340:     )
                   4341:     or return undef;
                   4342:   my ($o) = { handle => $out,
                   4343:               dh     => $d,
                   4344:               crc    => 0,
                   4345:               len    => 0,
                   4346:             };
                   4347:   my ($header) = pack("c10",
                   4348:                       MAGIC1, MAGIC2, Compress::Zlib::Z_DEFLATED(),
                   4349:                       0, 0, 0, 0, 0, 0, OSCODE);
                   4350:   print {$o->{handle}} $header;
                   4351:   return bless($o, $class);
                   4352: }
                   4353:
                   4354: sub PRINT
                   4355: {
                   4356:   my ($o)   = shift;
3.164     scop     4357:   my ($buf) = join (defined($,) ? $, : "", @_);
3.120     scop     4358:   my ($len) = length($buf);
                   4359:   my ($compressed, $status) = $o->{dh}->deflate($buf);
                   4360:   print {$o->{handle}} $compressed if defined($compressed);
                   4361:   $o->{crc} = Compress::Zlib::crc32($buf, $o->{crc});
                   4362:   $o->{len} += $len;
                   4363:   return $len;
                   4364: }
                   4365:
                   4366: sub PRINTF
                   4367: {
                   4368:   my ($o)   = shift;
                   4369:   my ($fmt) = shift;
                   4370:   my ($buf) = sprintf($fmt, @_);
                   4371:   my ($len) = length($buf);
                   4372:   my ($compressed, $status) = $o->{dh}->deflate($buf);
                   4373:   print {$o->{handle}} $compressed if defined($compressed);
                   4374:   $o->{crc} = Compress::Zlib::crc32($buf, $o->{crc});
                   4375:   $o->{len} += $len;
                   4376:   return $len;
                   4377: }
                   4378:
                   4379: sub WRITE
                   4380: {
                   4381:   my ($o, $buf, $len, $off) = @_;
                   4382:   my ($compressed, $status) = $o->{dh}->deflate(substr($buf, 0, $len));
                   4383:   print {$o->{handle}} $compressed if defined($compressed);
                   4384:   $o->{crc} = Compress::Zlib::crc32(substr($buf, 0, $len), $o->{crc});
                   4385:   $o->{len} += $len;
                   4386:   return $len;
                   4387: }
                   4388:
                   4389: sub CLOSE
                   4390: {
                   4391:   my ($o) = @_;
                   4392:   return if !defined($o->{dh});
                   4393:   my ($buf) = $o->{dh}->flush();
                   4394:   $buf .= pack("V V", $o->{crc}, $o->{len});
                   4395:   print {$o->{handle}} $buf;
                   4396:   undef $o->{dh};
                   4397: }
                   4398:
                   4399: sub DESTROY
                   4400: {
                   4401:   my ($o) = @_;
                   4402:   CLOSE($o);
1.1       jfieber  4403: }
3.149     scop     4404:
                   4405: # Local variables:
                   4406: # indent-tabs-mode: nil
                   4407: # cperl-indent-level: 2
                   4408: # End:

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