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Annotation of cvsweb/cvsweb.cgi, Revision 3.286

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 (
3.273     scop       62:   $VERSION $CheckoutMagic $MimeTypes $DEBUG
3.144     scop       63:   $config $allow_version_select
3.120     scop       64:   @CVSrepositories @CVSROOT %CVSROOT %CVSROOTdescr
                     65:   %MIRRORS %DEFAULTVALUE %ICONS %MTYPES
3.225     scop       66:   %DIFF_COMMANDS @DIFFTYPES %DIFFTYPES @LOGSORTKEYS %LOGSORTKEYS
3.129     scop       67:   %alltags %fileinfo %tags @branchnames %nameprinted
3.120     scop       68:   %symrev %revsym @allrevisions %date %author @revdisplayorder
3.152     scop       69:   @revisions %state %difflines %log %branchpoint @revorder $keywordsubstitution
3.120     scop       70:   $prcgi @prcategories $re_prcategories $prkeyword $re_prkeyword $mancgi
3.222     scop       71:   $doCheckout $scriptname $scriptwhere
3.264     scop       72:   $where $Browser $nofilelinks $maycompress @stickyvars %funcline_regexp
3.120     scop       73:   $is_links $is_lynx $is_w3m $is_msie $is_mozilla3 $is_textbased
                     74:   %input $query $barequery $sortby $bydate $byrev $byauthor
                     75:   $bylog $byfile $defaultDiffType $logsort $cvstree $cvsroot
3.230     scop       76:   $charset $output_filter
                     77:   @command_path %CMD $allow_compress $backicon $diricon $fileicon $graphicon
3.264     scop       78:   $fullname $cvstreedefault $logo $defaulttitle $address $binfileicon
3.131     scop       79:   $long_intro $short_instruction $shortLogLen $show_author
3.129     scop       80:   $tablepadding $hr_breakable $showfunc $hr_ignwhite $hr_ignkeysubst
                     81:   $inputTextSize $mime_types $allow_annotate $allow_markup
3.120     scop       82:   $allow_log_extra $allow_dir_extra $allow_source_extra
3.218     scop       83:   $allow_cvsgraph $cvsgraph_config $use_java_script $edit_option_form
3.144     scop       84:   $show_subdir_lastmod $show_log_in_markup $preformat_in_markup
3.233     scop       85:   $tabstop $state $annTable $sel @ForbiddenFiles
                     86:   $use_descriptions %descriptions @mytz $dwhere
3.222     scop       87:   $use_moddate $gzip_open $file_list_len
3.120     scop       88:   $allow_tar @tar_options @gzip_options @zip_options @cvs_options
3.222     scop       89:   @annotate_options @rcsdiff_options
3.257     scop       90:   $HTML_DOCTYPE $HTML_META $cssurl $CSS $cvshistory_url
3.222     scop       91:   $allow_enscript @enscript_options %enscript_types
3.1       knu        92: );
                     93:
3.285     scop       94: use Cwd                   qw(abs_path);
3.172     scop       95: use File::Basename        qw(dirname);
3.171     scop       96: use File::Path            qw(rmtree);
3.232     scop       97: use File::Spec::Functions qw(canonpath catdir catfile curdir devnull rootdir
                     98:                              tmpdir updir);
3.225     scop       99: use File::Temp            qw(tempdir tempfile);
3.229     scop      100: use IPC::Run              qw();
3.172     scop      101: use Time::Local           qw(timegm);
3.206     scop      102: use URI::Escape           qw(uri_escape uri_unescape);
3.122     scop      103:
3.222     scop      104: use constant VALID_PATH   => qr/^([[:^cntrl:]]+)$/o;
                    105: use constant VALID_TAG1   => qr/^([a-zA-Z][[:graph:]]*)$/o;
                    106: use constant VALID_TAG2   => qr/^([^\$,.:;@]+)$/o;
3.261     scop      107: use constant CVSWEBMARKUP => qr{^text/(x-cvsweb|vnd\.viewcvs)-markup$}io;
3.222     scop      108: use constant LOG_FILESEPR => qr/^={77}$/o;
                    109: use constant LOG_REVSEPR  => qr/^-{28}$/o;
                    110:
                    111: use constant HAS_ZLIB     => eval { require Compress::Zlib; };
                    112: use constant HAS_EDIFF    => eval { require String::Ediff;  };
3.194     scop      113:
3.122     scop      114: # -----------------------------------------------------------------------------
                    115:
                    116: # All global initialization that can be done in compile time should go to
                    117: # the BEGIN block.  Persistent environments, such as mod_perl, will benefit
                    118: # from this.
                    119:
                    120: BEGIN
                    121: {
3.280     scop      122:   $VERSION = '3.0.4';
3.122     scop      123:
                    124:   $HTML_DOCTYPE =
3.208     scop      125:     '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" ' .
                    126:     '"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">';
3.122     scop      127:
                    128:   $HTML_META = <<EOM;
3.208     scop      129: <meta name="robots" content="nofollow" />
                    130: <meta name="generator" content="FreeBSD-CVSweb $VERSION" />
                    131: <meta http-equiv="Content-Script-Type" content="text/javascript" />
                    132: <meta http-equiv="Content-Style-Type" content="text/css" />
3.122     scop      133: EOM
                    134:
3.156     scop      135:   # Use MIME::Types for MIME type lookups if it's available.
                    136:   eval {
                    137:     require MIME::Types;
3.223     scop      138:     $MimeTypes = MIME::Types->new(only_complete => 1);
3.156     scop      139:   };
                    140:   $MimeTypes = undef if $@;
                    141:
3.222     scop      142:   $CheckoutMagic = '~checkout~';
3.122     scop      143: }
                    144:
                    145: # -----------------------------------------------------------------------------
                    146:
3.12      knu       147: sub printDiffSelect($);
3.168     scop      148: sub printDiffSelectStickyVars();
3.225     scop      149: sub getDiffLinks($$$);
3.37      knu       150: sub printLogSortSelect($);
3.12      knu       151: sub findLastModifiedSubdirs(@);
3.36      knu       152: sub htmlify_sub(&$);
3.12      knu       153: sub htmlify($;$);
3.20      knu       154: sub spacedHtmlText($;$);
3.12      knu       155: sub link($$);
                    156: sub revcmp($$);
3.103     knu       157: sub fatal($$@);
3.269     scop      158: sub redirect($;$);
3.12      knu       159: sub safeglob($);
3.58      knu       160: sub search_path($);
3.219     scop      161: sub getEnscriptHL($);
3.156     scop      162: sub getMimeType($;$);
3.24      knu       163: sub head($;$);
                    164: sub scan_directives(@);
3.86      knu       165: sub openOutputFilter();
3.275     scop      166: sub doAnnotate($$);
                    167: sub doCheckout($$$);
3.240     scop      168: sub doEnscript($$$;$);
3.170     scop      169: sub doGraph();
                    170: sub doGraphView();
3.219     scop      171: sub cvswebMarkup($$$$$$;$);
3.12      knu       172: sub viewable($);
                    173: sub doDiff($$$$$$);
                    174: sub getDirLogs($$@);
                    175: sub readLog($;$);
3.219     scop      176: sub printLog($$$;$$);
3.12      knu       177: sub doLog($);
                    178: sub flush_diff_rows($$$$);
3.144     scop      179: sub human_readable_diff($$);
3.163     scop      180: sub navigateHeader($$$$$;$);
3.12      knu       181: sub plural_write($$);
                    182: sub readableTime($$);
                    183: sub clickablePath($$);
                    184: sub chooseCVSRoot();
                    185: sub chooseMirror();
                    186: sub fileSortCmp();
                    187: sub download_url($$;$);
                    188: sub download_link($$$;$);
3.219     scop      189: sub display_url($$;$);
                    190: sub display_link($$;$$);
3.170     scop      191: sub graph_link($;$);
3.258     scop      192: sub history_link($$;$);
3.140     scop      193: sub toggleQuery($;$);
3.35      knu       194: sub htmlquote($);
3.36      knu       195: sub htmlunquote($);
3.271     scop      196: sub uri_escape_path($);
3.163     scop      197: sub http_header(;$$);
                    198: sub html_header($;$);
3.12      knu       199: sub html_footer();
                    200: sub link_tags($);
3.233     scop      201: sub forbidden($);
3.191     scop      202: sub startproc(@);
3.215     scop      203: sub runproc(@);
3.225     scop      204: sub checkout_to_temp($$$);
3.12      knu       205:
3.284     scop      206: # Get rid of unsafe environment vars.  Don't do this in the BEGIN block
                    207: # (think mod_perl)...
3.142     scop      208: delete(@ENV{qw(PATH IFS CDPATH ENV BASH_ENV)});
3.59      knu       209:
3.172     scop      210: my ($mydir) = (dirname($0) =~ /(.*)/);    # untaint
3.58      knu       211:
3.284     scop      212: ##### Start of Configuration Area ########
                    213:
3.12      knu       214: # == EDIT this ==
3.28      knu       215: # Locations to search for user configuration, in order:
3.165     scop      216: for (catfile($mydir, 'cvsweb.conf'), '/usr/local/etc/cvsweb/cvsweb.conf') {
                    217:   if (-r $_) {
3.120     scop      218:     $config = $_;
                    219:     last;
                    220:   }
3.11      knu       221: }
3.1       knu       222:
3.284     scop      223: ##### End of Configuration Area   ########
3.1       knu       224:
3.284     scop      225: undef $mydir;
3.1       knu       226:
3.284     scop      227: ######## Configuration parameters #########
3.120     scop      228:
3.80      knu       229: @CVSrepositories = @CVSROOT = %CVSROOT = %MIRRORS = %DEFAULTVALUE = %ICONS =
3.225     scop      230:   %MTYPES = %tags = %alltags = %fileinfo = %DIFF_COMMANDS = ();
3.120     scop      231:
3.129     scop      232: $cvstreedefault = $logo = $defaulttitle =
3.120     scop      233:   $address = $long_intro = $short_instruction = $shortLogLen = $show_author =
3.131     scop      234:   $tablepadding = $hr_breakable = $showfunc = $hr_ignwhite =
3.129     scop      235:   $hr_ignkeysubst = $inputTextSize = $mime_types = $allow_annotate =
3.284     scop      236:   $allow_markup = $allow_compress = $use_java_script = $edit_option_form =
                    237:   $show_subdir_lastmod = $show_log_in_markup = $preformat_in_markup =
                    238:   $tabstop = $use_moddate = $gzip_open = $DEBUG = $allow_cvsgraph =
                    239:   $cvsgraph_config = $cvshistory_url = $allow_tar = undef;
                    240:
                    241: $allow_version_select = $allow_log_extra = 1;
3.32      knu       242:
3.37      knu       243: @DIFFTYPES = qw(h H u c s);
                    244: @DIFFTYPES{@DIFFTYPES} = (
3.120     scop      245:   {
                    246:     'descr'   => 'colored',
                    247:     'opts'    => ['-u'],
                    248:     'colored' => 1,
                    249:   },
                    250:   {
                    251:     'descr'   => 'long colored',
                    252:     'opts'    => ['--unified=15'],
                    253:     'colored' => 1,
                    254:   },
                    255:   {
                    256:     'descr'   => 'unified',
                    257:     'opts'    => ['-u'],
                    258:     'colored' => 0,
                    259:   },
                    260:   {
                    261:     'descr'   => 'context',
                    262:     'opts'    => ['-c'],
                    263:     'colored' => 0,
                    264:   },
                    265:   {
                    266:     'descr'   => 'side by side',
3.236     scop      267:     # width=168 should be enough to support 80 character line lengths
                    268:     'opts'    => ['--side-by-side', '--width=168'],
3.120     scop      269:     'colored' => 0,
                    270:   },
3.80      knu       271: );
3.37      knu       272:
                    273: @LOGSORTKEYS = qw(cvs date rev);
                    274: @LOGSORTKEYS{@LOGSORTKEYS} = (
3.254     scop      275:   { descr => 'Not sorted',  },
                    276:   { descr => 'Commit date', },
                    277:   { descr => 'Revision',    },
3.80      knu       278: );
3.37      knu       279:
3.284     scop      280: ##### End of configuration parameters #####
3.1       knu       281:
3.264     scop      282: my $pathinfo = '';
                    283: if (defined($ENV{PATH_INFO}) && $ENV{PATH_INFO} ne '') {
3.194     scop      284:   ($pathinfo) = ($ENV{PATH_INFO} =~ VALID_PATH)
                    285:     or fatal('500 Internal Error',
                    286:              'Illegal PATH_INFO in environment: <code>%s</code>',
                    287:              $ENV{PATH_INFO});
                    288: }
                    289: if ($ENV{SCRIPT_NAME}) {
                    290:   ($scriptname) = ($ENV{SCRIPT_NAME} =~ VALID_PATH)
                    291:     or fatal('500 Internal Error',
                    292:              'Illegal SCRIPT_NAME in environment: <code>%s</code>',
                    293:              $ENV{SCRIPT_NAME});
                    294: }
                    295:
                    296: $scriptname    = '' unless defined($scriptname);
                    297:
3.120     scop      298: $where         =  $pathinfo;
3.268     scop      299: $doCheckout    =  $where =~ s|^/$CheckoutMagic/|/|o;
3.120     scop      300: $where         =~ s|^/||;
                    301: $scriptname    =~ s|^/*|/|;
3.63      knu       302:
3.64      knu       303: # Let's workaround thttpd's stupidity..
3.63      knu       304: if ($scriptname =~ m|/$|) {
3.120     scop      305:   $pathinfo .= '/';
                    306:   my $re = quotemeta $pathinfo;
                    307:   $scriptname =~ s/$re$//;
3.63      knu       308: }
                    309:
3.271     scop      310: # $scriptname : the URI escaped path to this script
                    311: # $where      : the path in the CVS repository (without leading /, or only /)
                    312: # $scriptwhere: the URI escaped $scriptname + '/' + $where
                    313: $scriptname   = uri_escape_path($scriptname);
                    314: $scriptwhere  = join('/', $scriptname, uri_escape_path($where));
3.268     scop      315: $where        = '/' if ($where eq '');
3.3       knu       316:
3.188     scop      317: # In text-based browsers, it's very annoying to have two links per file;
                    318: # skip linking the image for them.
                    319:
3.120     scop      320: $Browser     = $ENV{HTTP_USER_AGENT} || '';
3.187     scop      321: $is_links    = ($Browser =~ m`^E?Links `);
3.80      knu       322: $is_lynx     = ($Browser =~ m`^Lynx/`i);
                    323: $is_w3m      = ($Browser =~ m`^w3m/`i);
                    324: $is_msie     = ($Browser =~ m`MSIE`);
3.5       knu       325: $is_mozilla3 = ($Browser =~ m`^Mozilla/[3-9]`);
3.3       knu       326:
3.34      knu       327: $is_textbased = ($is_links || $is_lynx || $is_w3m);
3.5       knu       328:
                    329: $nofilelinks = $is_textbased;
3.1       knu       330:
                    331: # newer browsers accept gzip content encoding
                    332: # and state this in a header
                    333: # (netscape did always but didn't state it)
                    334: # It has been reported that these
                    335: #  braindamaged MS-Internet Exploders claim that they
                    336: # accept gzip .. but don't in fact and
                    337: # display garbage then :-/
3.23      knu       338: # Turn off gzip if running under mod_perl and no zlib is available,
                    339: # piping does not work as expected inside the server.
3.120     scop      340: $maycompress = (
                    341:   ((defined($ENV{HTTP_ACCEPT_ENCODING})
                    342:     && $ENV{HTTP_ACCEPT_ENCODING} =~ /gzip/)
                    343:    || $is_mozilla3)
                    344:   && !$is_msie
3.222     scop      345:   && !(defined($ENV{MOD_PERL}) && !HAS_ZLIB)
3.120     scop      346: );
3.1       knu       347:
3.284     scop      348: # Parameters that will be sticky in all constructed links/query strings.
3.194     scop      349: @stickyvars =
3.282     scop      350:   qw(cvsroot hideattic ignorecase sortby logsort f only_with_tag ln
                    351:      hidecvsroot hidenonreadable);
1.1       jfieber   352:
3.227     scop      353: #
                    354: # Load configuration.
                    355: #
3.1       knu       356: if (-f $config) {
3.120     scop      357:   do "$config"
                    358:     or fatal("500 Internal Error",
3.208     scop      359:              'Error in loading configuration file: %s<br /><br />%s<br />',
3.120     scop      360:              $config, $@);
3.27      knu       361: } else {
3.120     scop      362:   fatal("500 Internal Error",
3.284     scop      363:         'Configuration not found.  Set the parameter <code>$config</code> in cvsweb.cgi to your <b>cvsweb.conf</b> configuration file first.');
3.1       knu       364: }
                    365:
3.183     scop      366: # Try to find a readable dir where we can cd into.  Some abs_path()
                    367: # implementations as well as various cvs operations require such a dir to
                    368: # work properly.
                    369: {
                    370:   local $^W = 0;
3.285     scop      371:   for my $dir (tmpdir(), rootdir()) {
                    372:     last if (-r $dir && chdir($dir));
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} = $t;
                    414:       next;
3.275     scop      415:     } elsif (($p eq 'rev' || $p eq 'annotate') && ($t eq '.' || $t eq 'HEAD')){
3.253     scop      416:       # Another special case, allow linking to latest revision using these.
                    417:       $input{$p} = '.';
                    418:       next;
3.207     scop      419:     }
3.194     scop      420:     my ($rev, $tag) = split(/:/, $t, 2);
3.251     scop      421:     ($input{$p}) = ($rev =~ /^(\d+(?:\.\d+)*)$/)
3.194     scop      422:       or fatal('500 Internal Error',
                    423:                'Invalid revision: <code>%s=%s</code>', $p, $t);
                    424:     if (defined($tag)) {
                    425:       ($tag) = ($tag =~ VALID_TAG1)
                    426:         or fatal('500 Internal Error',
3.254     scop      427:                  'Invalid tag/branch name in revision: <code>%s=%s</code>',
                    428:                  $p, $t);
3.194     scop      429:       ($tag) = ($tag =~ VALID_TAG2)
                    430:         or fatal('500 Internal Error',
3.254     scop      431:                  'Invalid tag/branch name in revision: <code>%s=%s</code>',
                    432:                  $p, $t);
3.207     scop      433:       $input{$p} .= ':' . $tag;
3.194     scop      434:     }
                    435:   }
                    436: }
3.202     scop      437: $t = defined($query{only_with_tag}) ?
                    438:   $query{only_with_tag} : $query{only_on_branch}; # Backwards compatibility.
                    439: if (defined($t)) {
3.211     scop      440:   ($input{only_with_tag}) = ($t =~ VALID_TAG1)
3.194     scop      441:     or fatal('500 Internal Error',
                    442:              'Invalid tag/branch name: <code>%s</code>', $t);
3.211     scop      443:   ($input{only_with_tag}) = ($t =~ VALID_TAG2)
3.194     scop      444:     or fatal('500 Internal Error',
                    445:              'Invalid tag/branch name: <code>%s</code>', $t);
                    446: }
3.202     scop      447: $t = $query{logsort};
                    448: if (defined($t)) {
3.222     scop      449:   ($input{logsort}) = ($t =~ /^(cvs|date|rev)$/)
3.194     scop      450:     or fatal('500 Internal Error',
                    451:              'Unsupported log sort key: <code>%s</code>', $t);
                    452: }
3.202     scop      453: $t = $query{f};
                    454: if (defined($t)) {
3.225     scop      455:   ($input{f}) = ($t =~ /^(([hH]|[ucs]c?)|ext\d*)$/)
3.194     scop      456:     or fatal('500 Internal Error',
                    457:              'Unsupported diff format: <code>%s</code>', $t);
                    458: }
3.202     scop      459: $t = $query{sortby};
                    460: if (defined($t)) {
3.222     scop      461:   ($input{sortby}) = ($t =~ /^(file|date|rev|author|log)$/)
3.194     scop      462:     or fatal('500 Internal Error',
                    463:              'Unsupported dir sort key: <code>%s</code>', $t);
                    464: }
3.202     scop      465: $t = $query{'content-type'};
                    466: if (defined($t)) {
3.261     scop      467:   ($input{'content-type'}) = ($t =~ m|^([-0-9A-Za-z]+/[-0-9A-Za-z\.]+)$|)
3.194     scop      468:     or fatal('500 Internal Error',
                    469:              'Unsupported content type: <code>%s</code>', $t);
                    470: }
3.202     scop      471: $t = $query{cvsroot};
                    472: if (defined($t)) {
3.222     scop      473:   ($input{cvsroot}) = ($t =~ /^([[:print:]]+)$/)
3.194     scop      474:     or fatal('500 Internal Error',
                    475:              'Invalid symbolic CVS root name: <code>%s</code>', $t);
                    476: }
3.202     scop      477: $t = $query{path};
                    478: if (defined($t)) {
3.194     scop      479:   ($input{path}) = ($t =~ VALID_PATH)
                    480:     or fatal('500 Internal Error',
                    481:              'Invalid path: <code>%s</code>', $t);
3.97      knu       482: }
3.194     scop      483: undef($t);
3.205     scop      484: undef(%query);
3.97      knu       485:
3.194     scop      486: # --- end input parameters
1.10      wosch     487:
3.158     scop      488: #
                    489: # CVS roots
                    490: #
                    491: my $rootfound = 0;
                    492: for (my $i = 0; $i < scalar(@CVSrepositories); $i += 2) {
                    493:   my $key = $CVSrepositories[$i];
3.232     scop      494:   my ($descr, $root) = @{$CVSrepositories[$i+1]};
                    495:   $root = canonpath($root);
                    496:   unless (-d $root) {
                    497:     warn("Root '$root' defined in \@CVSrepositories is not a directory, " .
3.158     scop      498:          'entry ignored');
                    499:     next;
                    500:   }
                    501:   $rootfound ||= 1;
                    502:   $cvstreedefault = $key unless defined($cvstreedefault);
                    503:   $CVSROOTdescr{$key} = $descr;
3.232     scop      504:   $CVSROOT{$key} = $root;
3.158     scop      505:   push(@CVSROOT, $key);
                    506: }
                    507: unless ($rootfound) {
                    508:   fatal('500 Internal Error',
                    509:         'No valid CVS roots found!  See <code>@CVSrepositories</code> in ' .
3.221     scop      510:         'the configuration file (<code>%s</code>).',
3.158     scop      511:         $config);
                    512: }
                    513: undef $rootfound;
                    514:
                    515: #
                    516: # Default CVS root
                    517: #
                    518: if (!defined($CVSROOT{$cvstreedefault})) {
                    519:   fatal("500 Internal Error",
                    520:         '<code>$cvstreedefault</code> points to a repository (%s) not ' .
                    521:         'defined in <code>@CVSrepositories</code> in your configuration ' .
                    522:         'file (<code>%s</code>).',
                    523:         $cvstreedefault,
                    524:         $config);
                    525: }
                    526:
3.254     scop      527: $DEFAULTVALUE{cvsroot} = $cvstreedefault;
1.10      wosch     528:
3.120     scop      529: while (my ($key, $defval) = each %DEFAULTVALUE) {
3.80      knu       530:
3.120     scop      531:   # Replace not given parameters with defaults.
3.194     scop      532:   next unless (defined($defval) && $defval =~ /\S/ && !defined($input{$key}));
3.120     scop      533:
3.284     scop      534:   # Empty checkboxes in forms return nothing, so we define a helper parameter
3.120     scop      535:   # in these forms (copt) which indicates that we just set parameters with a
                    536:   # checkbox.
3.194     scop      537:   if ($input{copt}) {
3.120     scop      538:
3.194     scop      539:     # 'copt' is set -> the result of empty input checkbox
3.120     scop      540:     # -> set to zero (disable) if default is a boolean (0|1).
                    541:     $input{$key} = 0 if ($defval eq '0' || $defval eq '1');
                    542:
                    543:   } else {
                    544:
3.194     scop      545:     # 'copt' isn't set --> empty input is not the result
3.120     scop      546:     # of empty input checkbox --> set default.
                    547:     $input{$key} = $defval;
                    548:   }
1.10      wosch     549: }
3.12      knu       550:
3.1       knu       551: $barequery = "";
3.31      knu       552: my @barequery;
3.1       knu       553: foreach (@stickyvars) {
3.80      knu       554:
3.120     scop      555:   # construct a query string with the sticky non default parameters set
                    556:   if (defined($input{$_})
                    557:       && !(defined($DEFAULTVALUE{$_}) && $input{$_} eq $DEFAULTVALUE{$_}))
                    558:   {
3.206     scop      559:     push(@barequery, join('=', uri_escape($_), uri_escape($input{$_})));
3.120     scop      560:   }
3.1       knu       561: }
3.80      knu       562:
3.168     scop      563: if ($allow_enscript) {
                    564:   push(@DIFFTYPES, qw(uc cc sc));
                    565:   @DIFFTYPES{qw(uc cc sc)} = (
                    566:     {
                    567:      'descr'   => 'unified, colored',
                    568:      'opts'    => ['-u'],
                    569:      'colored' => 0,
                    570:     },
                    571:     {
                    572:      'descr'   => 'context, colored',
                    573:      'opts'    => ['-c'],
                    574:      'colored' => 0,
                    575:     },
                    576:     {
                    577:      'descr'   => 'side by side, colored',
3.238     scop      578:      # width=168 should be enough to support 80 character line lengths
                    579:      'opts'    => ['--side-by-side', '--width=168'],
3.168     scop      580:      'colored' => 0,
                    581:     },
                    582:   );
                    583: } else {
                    584:   # No Enscript -> respect difftype, but don't offer colorization.
                    585:   if ($input{f} && $input{f} =~ /^([ucs])c$/) {
                    586:     $input{f} = $1;
                    587:   }
                    588: }
                    589:
3.1       knu       590: # is there any query ?
3.31      knu       591: if (@barequery) {
3.203     scop      592:   $barequery = join (';', @barequery);
3.120     scop      593:   $query     = "?$barequery";
3.203     scop      594:   $barequery = ";$barequery";
3.80      knu       595: } else {
3.120     scop      596:   $query = "";
3.1       knu       597: }
3.31      knu       598: undef @barequery;
3.1       knu       599:
3.254     scop      600: if (defined($input{path})) {
3.120     scop      601:   redirect("$scriptname/$input{path}$query");
3.57      knu       602: }
                    603:
3.1       knu       604: # get actual parameters
3.144     scop      605: {
                    606:   my $sortby = $input{sortby} || 'file';
                    607:   $bydate    = 0;
                    608:   $byrev     = 0;
                    609:   $byauthor  = 0;
                    610:   $bylog     = 0;
                    611:   $byfile    = 0;
                    612:   if ($sortby eq 'date') {
                    613:     $bydate = 1;
                    614:   } elsif ($sortby eq 'rev') {
                    615:     $byrev = 1;
                    616:   } elsif ($sortby eq 'author') {
                    617:     $byauthor = 1;
                    618:   } elsif ($sortby eq 'log') {
                    619:     $bylog = 1;
                    620:   } else {
                    621:     $byfile = 1;
                    622:   }
3.1       knu       623: }
                    624:
3.254     scop      625: $defaultDiffType = $input{f};
3.1       knu       626:
3.254     scop      627: $logsort = $input{logsort};
3.1       knu       628:
                    629: # alternate CVS-Tree, configured in cvsweb.conf
3.254     scop      630: if ($input{cvsroot} && $CVSROOT{$input{cvsroot}}) {
                    631:   $cvstree = $input{cvsroot};
3.1       knu       632: } else {
3.120     scop      633:   $cvstree = $cvstreedefault;
1.10      wosch     634: }
                    635:
3.1       knu       636: $cvsroot = $CVSROOT{$cvstree};
1.10      wosch     637:
3.1       knu       638: # create icons out of description
3.120     scop      639: foreach my $k (keys %ICONS) {
                    640:   my ($itxt, $ipath, $iwidth, $iheight) = @{$ICONS{$k}};
                    641:   no strict 'refs';
                    642:   if ($ipath) {
                    643:     ${"${k}icon"} =
3.208     scop      644:       sprintf('<img src="%s" alt="%s" border="0" width="%d" height="%d" />',
3.271     scop      645:               htmlquote($ipath), htmlquote($itxt), $iwidth, $iheight);
3.120     scop      646:   } else {
                    647:     ${"${k}icon"} = $itxt;
                    648:   }
1.24      wosch     649: }
                    650:
3.27      knu       651: my $config_cvstree = "$config-$cvstree";
                    652:
3.1       knu       653: # Do some special configuration for cvstrees
3.27      knu       654: if (-f $config_cvstree) {
3.120     scop      655:   do "$config_cvstree"
                    656:     or fatal("500 Internal Error",
3.208     scop      657:              'Error in loading configuration file: %s<br /><br />%s<br />',
3.120     scop      658:              $config_cvstree, $@);
3.27      knu       659: }
3.31      knu       660: undef $config_cvstree;
3.1       knu       661:
3.120     scop      662: $re_prcategories  = '(?:' . join ('|', @prcategories) . ')' if @prcategories;
                    663: $re_prkeyword     = quotemeta($prkeyword) if defined($prkeyword);
                    664: $prcgi           .= '%s' if defined($prcgi) && $prcgi !~ /%s/;
1.24      wosch     665:
3.233     scop      666: $fullname         = catfile($cvsroot, $where);
3.1       knu       667:
3.63      knu       668: my $rewrite = 0;
                    669: if ($pathinfo =~ m|//|) {
3.120     scop      670:   $pathinfo =~ y|/|/|s;
                    671:   $rewrite = 1;
3.63      knu       672: }
3.120     scop      673: if (-d $fullname) {
                    674:   if ($pathinfo !~ m|/$|) {
                    675:     $pathinfo .= '/';
                    676:     $rewrite   = 1;
                    677:   }
3.268     scop      678: } elsif ($pathinfo =~ m|/$|) {
                    679:   chop $pathinfo;
                    680:   $rewrite = 1;
3.63      knu       681: }
                    682: if ($rewrite) {
3.271     scop      683:   redirect($scriptname . uri_escape_path($pathinfo) . $query, 1);
3.1       knu       684: }
3.268     scop      685: undef $rewrite;
3.1       knu       686:
3.264     scop      687: undef $pathinfo;
3.63      knu       688:
3.1       knu       689: if (!-d $cvsroot) {
3.120     scop      690:   fatal("500 Internal Error",
                    691:         '$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       692: }
                    693:
                    694: #
3.233     scop      695: # Short-circuit forbidden things.  Note that $fullname should not change
                    696: # after this, because the rest of the code assumes this check has already
                    697: # been done.
3.1       knu       698: #
3.233     scop      699: fatal('403 Forbidden', 'Access to %s forbidden.', $where)
                    700:   if forbidden($fullname);
3.46      knu       701:
                    702: #
                    703: # Handle tarball downloads before any headers are output.
                    704: #
                    705: if ($input{tarball}) {
3.120     scop      706:   fatal('403 Forbidden', 'Downloading tarballs is prohibited.')
                    707:     unless $allow_tar;
3.191     scop      708:
3.120     scop      709:   my ($module)  =  ($where =~ m,^/?(.*),);    # untaint
                    710:   $module       =~ s,/([^/]*)$,,;
3.191     scop      711:   my ($ext)     =  ($1 =~ /(\.t(?:ar\.)?gz|\.zip)$/);
3.120     scop      712:   my ($basedir) =  ($module =~ m,([^/]+)$,);
                    713:
                    714:   if ($basedir eq '' || $module eq '') {
                    715:     fatal('500 Internal Error',
                    716:           'You cannot download the top level directory.');
                    717:   }
                    718:
3.191     scop      719:   my $istar = ($ext eq '.tar.gz' || $ext eq '.tgz');
                    720:   if ($istar) {
                    721:     fatal('500 Internal Error', 'tar command not found.') unless $CMD{tar};
                    722:     fatal('500 Internal Error', 'gzip command not found.') unless $CMD{gzip};
                    723:   }
                    724:   my $iszip = ($ext eq '.zip');
                    725:   if ($iszip && !$CMD{zip}) {
                    726:     fatal('500 Internal Error', 'zip command not found.');
                    727:   }
3.215     scop      728:   if (!$istar && !$iszip) {
                    729:     fatal('500 Internal Error', 'Unsupported archive type.');
                    730:   }
3.191     scop      731:
3.138     scop      732:   my $tmpexportdir;
                    733:   eval {
                    734:     local $SIG{__DIE__};
3.171     scop      735:     # Don't use the CLEANUP argument to tempdir() here, since we might be under
                    736:     # mod_perl (the process runs for a long time), unlink explicitly later.
                    737:     $tmpexportdir = tempdir('.cvsweb.XXXXXXXX', TMPDIR => 1);
3.138     scop      738:   };
                    739:   if ($@) {
                    740:     fatal('500 Internal Error', 'Unable to make temporary directory: %s', $@);
                    741:   }
3.191     scop      742:   if (!chdir($tmpexportdir)) {
                    743:     fatal('500 Internal Error',
                    744:           "Can't cd to temporary directory %s: %s", $tmpexportdir, $!);
                    745:   }
3.120     scop      746:
                    747:   my @fatal;
3.194     scop      748:   my $tag = $input{only_with_tag} || 'HEAD';
                    749:   $tag = 'HEAD' if ($tag eq 'MAIN');
3.120     scop      750:
3.215     scop      751:   my @cmd =
3.241     scop      752:     ($CMD{cvs}, @cvs_options, '-Qd', $cvsroot, 'export', '-r', $tag,
                    753:      '-d', $basedir, $module);
3.215     scop      754:   my $export_err;
                    755:   my ($errcode, $err) = runproc(\@cmd, '2>', \$export_err);
                    756:   if ($errcode) {
                    757:     @fatal =
                    758:       ('500 Internal Error',
                    759:        'Export failure (exit status %s), output: <pre>%s</pre>',
                    760:        $errcode, $err || $export_err);
3.191     scop      761:
3.215     scop      762:   } else {
3.191     scop      763:
3.120     scop      764:     $| = 1;    # Essential to get the buffering right.
3.191     scop      765:     local (*TAR_OUT);
3.120     scop      766:
3.191     scop      767:     my (@cmd, $ctype);
                    768:     if ($istar) {
                    769:       my @tar = ($CMD{tar}, @tar_options, '-cf', '-', $basedir);
                    770:       my @gzip = ($CMD{gzip}, @gzip_options, '-c');
                    771:       push(@cmd, \@tar, '|', \@gzip);
                    772:       $ctype = 'application/x-gzip';
                    773:     } elsif ($iszip) {
                    774:       my @zip = ($CMD{zip}, @zip_options, '-r', '-', $basedir);
                    775:       push(@cmd, \@zip, \'');
                    776:       $ctype = 'application/zip';
                    777:     }
3.229     scop      778:     push(@cmd, '>pipe', \*TAR_OUT);
3.191     scop      779:
                    780:     my ($h, $err) = startproc(@cmd);
                    781:     if ($h) {
                    782:       print "Content-Type: $ctype\r\n\r\n";
                    783:       local $/ = undef;
                    784:       print <TAR_OUT>;
3.229     scop      785:       $h->finish();
3.120     scop      786:     } else {
3.215     scop      787:       @fatal = ('500 Internal Error',
                    788:                 '%s failure (exit status %s), output: <pre>%s</pre>',
                    789:                 $istar ? 'Tar' : 'Zip', $? >> 8 || -1, $err);
3.120     scop      790:     }
                    791:   }
3.46      knu       792:
3.171     scop      793:   # Clean up.
                    794:   rmtree($tmpexportdir);
3.46      knu       795:
3.120     scop      796:   &fatal(@fatal) if @fatal;
3.46      knu       797:
3.120     scop      798:   exit;
3.46      knu       799: }
                    800:
3.1       knu       801: ##############################
                    802: # View a directory
                    803: ###############################
3.46      knu       804: if (-d $fullname) {
3.233     scop      805:
3.120     scop      806:   my $dh = do { local (*DH); };
                    807:   opendir($dh, $fullname) or fatal("404 Not Found", '%s: %s', $where, $!);
3.233     scop      808:   my @dir = grep(!forbidden(catfile($fullname, $_)), readdir($dh));
3.120     scop      809:   closedir($dh);
3.284     scop      810:   my @subLevelFiles = findLastModifiedSubdirs(@dir) if $show_subdir_lastmod;
3.150     scop      811:   my @unreadable = getDirLogs($cvsroot, $where, @subLevelFiles);
3.120     scop      812:
                    813:   if ($where eq '/') {
                    814:     html_header($defaulttitle);
                    815:     $long_intro =~ s/!!CVSROOTdescr!!/$CVSROOTdescr{$cvstree}/g;
                    816:     print $long_intro;
                    817:   } else {
                    818:     html_header($where);
3.212     scop      819:     my $html = (-f catfile($fullname, 'README.cvs.html,v') ||
                    820:                 -f catfile($fullname, 'Attic', 'README.cvs.html,v'));
                    821:     my $text = (!$html &&
                    822:                 (-f catfile($fullname, 'README.cvs,v') ||
                    823:                  -f catfile($fullname, 'Attic', 'README.cvs,v')));
                    824:     if ($html || $text) {
                    825:       my $rev = $input{only_with_tag} || 'HEAD';
                    826:       my $cr = abs_path($cvsroot) || $cvsroot;
                    827:       my $co = "$where/README.cvs.html" if $html;
                    828:       $co ||= "$where/README.cvs" if $text;
                    829:       # abs_path() taints when run as a CGI...
                    830:       if ($cr =~ VALID_PATH) {
                    831:         $cr = $1;
                    832:       } else {
                    833:         fatal('500 Internal Error', 'Illegal CVS root: <code>%s</code>', $cr);
                    834:       }
                    835:       my @cmd = ($CMD{cvs}, @cvs_options, '-d', $cr, 'co', '-p', "-r$rev",$co);
                    836:       local (*CVS_OUT, *CVS_ERR);
                    837:       my ($h, $err) = startproc(\@cmd, \"", '>pipe', \*CVS_OUT,
3.229     scop      838:                                 '2>pipe', \*CVS_ERR);
3.212     scop      839:       fatal('500 Internal Error', $err) unless $h;
                    840:       if ($html) {
                    841:         local $/ = undef;
                    842:         print <CVS_OUT>;
                    843:       } else {
                    844:         print "<p>\n";
                    845:         while (<CVS_OUT>) {
                    846:           chomp;
                    847:           print htmlquote($_), '<br />';
                    848:         }
                    849:         print "</p>";
                    850:       }
3.229     scop      851:       $h->finish();
3.212     scop      852:     }
3.120     scop      853:     print $short_instruction;
                    854:   }
                    855:
3.165     scop      856:   if ($use_descriptions &&
3.268     scop      857:       open(DESC, catfile($cvsroot, 'CVSROOT', 'descriptions'))) {
3.120     scop      858:     while (<DESC>) {
                    859:       chomp;
                    860:       my ($dir, $description) = /(\S+)\s+(.*)/;
                    861:       $descriptions{$dir} = $description;
                    862:     }
                    863:     close(DESC);
                    864:   }
                    865:
                    866:   print "<p><a name=\"dirlist\"></a></p>\n";
                    867:
                    868:   # give direct access to dirs
                    869:   if ($where eq '/') {
                    870:     chooseMirror();
                    871:     chooseCVSRoot();
3.268     scop      872:
3.120     scop      873:   } else {
3.257     scop      874:     print '<p>Current directory: <b>', clickablePath($where, 0), '</b>';
                    875:     if ($cvshistory_url) {
                    876:       (my $d = $where) =~ s|^/*(.*?)/*$|$1|;
3.258     scop      877:       print ' - ', history_link($d, '');
3.257     scop      878:     }
                    879:     print "</p>\n";
3.153     scop      880:     print "<p>Current tag: <b>", htmlquote($input{only_with_tag}), "</b></p>\n"
3.120     scop      881:       if $input{only_with_tag};
                    882:   }
                    883:
3.208     scop      884:   print "<hr />\n";
3.120     scop      885:
3.179     scop      886:   my $infocols = 1;
3.131     scop      887:
3.265     scop      888:   printf(<<EOF, 'Directory index of ' . htmlquote($where));
3.182     scop      889: <table class="dir" width="100%%" cellspacing="0" cellpadding="$tablepadding" summary="%s">
3.179     scop      890: <tr>
                    891: EOF
3.199     scop      892:   printf('<th colspan="2"%s>', ($byfile ? ' class="sorted"' : ''));
3.131     scop      893:
                    894:   if ($byfile) {
                    895:     print 'File';
                    896:   } else {
                    897:     print &link('File',
                    898:                 sprintf('./%s#dirlist', toggleQuery('sortby', 'file')));
                    899:   }
                    900:   print "</th>\n";
3.120     scop      901:
3.131     scop      902:   # Do not display the other column headers if we do not have any files
                    903:   # with revision information.
                    904:   if (scalar(%fileinfo)) {
3.120     scop      905:     $infocols++;
3.199     scop      906:     printf('<th%s>', ($byrev ? ' class="sorted"' : ''));
3.120     scop      907:
3.131     scop      908:     if ($byrev) {
                    909:       print 'Rev.';
3.120     scop      910:     } else {
3.131     scop      911:       print &link('Rev.',
                    912:                   sprintf('./%s#dirlist', toggleQuery('sortby', 'rev')));
3.120     scop      913:     }
                    914:     print "</th>\n";
3.131     scop      915:     $infocols++;
3.199     scop      916:     printf('<th%s>', ($bydate ? ' class="sorted"' : ''));
3.120     scop      917:
3.131     scop      918:     if ($bydate) {
                    919:       print 'Age';
                    920:     } else {
                    921:       print &link('Age',
                    922:                   sprintf('./%s#dirlist', toggleQuery('sortby', 'date')));
                    923:     }
                    924:     print "</th>\n";
3.120     scop      925:
3.131     scop      926:     if ($show_author) {
3.120     scop      927:       $infocols++;
3.199     scop      928:       printf('<th%s>', ($byauthor ? ' class="sorted"' : ''));
3.120     scop      929:
3.131     scop      930:       if ($byauthor) {
                    931:         print 'Author';
3.120     scop      932:       } else {
3.131     scop      933:         print
                    934:           &link('Author',
                    935:                 sprintf('./%s#dirlist', toggleQuery('sortby', 'author')));
3.120     scop      936:       }
                    937:       print "</th>\n";
3.131     scop      938:     }
                    939:     $infocols++;
3.199     scop      940:     printf('<th%s>', ($bylog ? ' class="sorted"' : ''));
3.120     scop      941:
3.131     scop      942:     if ($bylog) {
                    943:       print 'Last log entry';
                    944:     } else {
                    945:       print &link('Last log entry',
                    946:                   sprintf('./%s#dirlist', toggleQuery('sortby', 'log')));
3.120     scop      947:     }
3.131     scop      948:     print "</th>\n";
                    949:   } elsif ($use_descriptions) {
3.199     scop      950:     print "<th>Description</th>\n";
3.131     scop      951:     $infocols++;
3.120     scop      952:   }
3.131     scop      953:   print "</tr>\n";
                    954:
3.120     scop      955:   my $dirrow = 0;
                    956:
                    957:   my $i;
                    958:   lookingforattic:
                    959:   for ($i = 0; $i <= $#dir; $i++) {
                    960:     if ($dir[$i] eq "Attic") {
                    961:       last lookingforattic;
                    962:     }
                    963:   }
                    964:
3.254     scop      965:   if (!$input{hideattic}
3.120     scop      966:       && ($i <= $#dir)
                    967:       && opendir($dh, $fullname . '/Attic'))
                    968:   {
                    969:     splice(@dir, $i, 1, grep((s|^|Attic/|, !m|/\.|), readdir($dh)));
                    970:     closedir($dh);
                    971:   }
                    972:
                    973:   my $hideAtticToggleLink =
3.254     scop      974:     $input{hideattic}
3.120     scop      975:     ? ''
3.239     scop      976:     : &link('[hide]', sprintf('./%s#dirlist', &toggleQuery('hideattic')));
3.120     scop      977:
                    978:   # Sort without the Attic/ pathname.
                    979:   # place directories first
                    980:
                    981:   my $filesexists;
                    982:   my $filesfound;
                    983:
                    984:   foreach my $file (sort { &fileSortCmp } @dir) {
                    985:
3.196     scop      986:     next if ($file eq curdir());
3.120     scop      987:
                    988:     # ignore CVS lock and stale NFS files
                    989:     next if ($file =~ /^\#cvs\.|^,|^\.nfs/); # \# for XEmacs cperl-mode...
                    990:
                    991:     # Check whether to show the CVSROOT path
3.254     scop      992:     next if ($input{hidecvsroot} && $where eq '/' && $file eq 'CVSROOT');
3.120     scop      993:
3.150     scop      994:     # Is it a directory?
3.232     scop      995:     my $isdir = -d catdir($fullname, $file);
3.150     scop      996:
                    997:     # Ignore non-readable files and directories?
3.254     scop      998:     next if ($input{hidenonreadable} && (! -r _ || ($isdir && ! -x _)));
3.120     scop      999:
3.268     scop     1000:     my $attic = '';
3.120     scop     1001:     if ($file =~ s|^Attic/||) {
3.239     scop     1002:       $attic = ' <span class="attic">(in the Attic) ' .
                   1003:         $hideAtticToggleLink . '</span>';
3.120     scop     1004:     }
                   1005:
3.196     scop     1006:     if ($file eq updir() || $isdir) {
                   1007:       next if ($file eq updir() && $where eq '/');
3.152     scop     1008:       my ($rev, $date, $log, $author, $filename, $keywordsubst) =
                   1009:         @{$fileinfo{$file}} if (defined($fileinfo{$file}));
3.239     scop     1010:       printf "<tr class=\"%s\">\n<td class=\"dir\" colspan=\"2\">",
3.132     scop     1011:         ($dirrow % 2) ? 'even' : 'odd';
3.120     scop     1012:
3.196     scop     1013:       if ($file eq updir()) {
3.268     scop     1014:         my $url = "../$query";
3.261     scop     1015:         print $nofilelinks ? $backicon : &link($backicon, $url);
3.120     scop     1016:         print '&nbsp;', &link("Parent Directory", $url);
3.261     scop     1017:
3.120     scop     1018:       } else {
3.271     scop     1019:         my $url = './' . uri_escape_path($file) . "/$query";
                   1020:         print '<a name="', htmlquote($file), '"></a>';
3.261     scop     1021:         print $nofilelinks ? $diricon : &link($diricon, $url);
3.136     scop     1022:         print '&nbsp;', &link(htmlquote("$file/"), $url), $attic;
3.120     scop     1023:         if ($file eq "Attic") {
3.239     scop     1024:           print ' <span class="attic">',
                   1025:             &link('[show]',
                   1026:                   sprintf('./%s#dirlist', &toggleQuery('hideattic'))),
                   1027:                     '</span>';
3.120     scop     1028:         }
                   1029:       }
                   1030:
                   1031:       # Show last change in dir
                   1032:       if ($filename) {
3.199     scop     1033:         print "</td>\n<td>&nbsp;</td>\n<td class=\"age\">";
                   1034:         print readableTime(time() - $date, 0) if $date;
                   1035:         print "</td>\n<td class=\"author\">", htmlquote($author)
                   1036:           if $show_author;
                   1037:         print "</td>\n<td class=\"log\">";
3.120     scop     1038:         $filename =~ s%^[^/]+/%%;
3.199     scop     1039:         print &link(htmlquote("$filename/$rev"),
                   1040:                     sprintf('%s/%s%s#rev%s',
3.206     scop     1041:                             uri_escape($file), uri_escape($filename),
3.208     scop     1042:                             $query, $rev)), '<br />';
3.120     scop     1043:         if ($log) {
3.199     scop     1044:           print htmlify(substr($log, 0, $shortLogLen), $allow_dir_extra);
3.120     scop     1045:           print '...' if (length($log) > 80);
                   1046:         }
3.199     scop     1047:
3.120     scop     1048:       } else {
                   1049:         my $dwhere = ($where ne '/' ? $where : '') . $file;
                   1050:
                   1051:         if ($use_descriptions && defined $descriptions{$dwhere}) {
3.199     scop     1052:           print '<td colspan="', ($infocols - 1), '">';
3.120     scop     1053:           print $descriptions{$dwhere};
                   1054:
3.131     scop     1055:         } elsif ($infocols > 1) {
3.120     scop     1056:
                   1057:           # close the row with the appropriate number of
                   1058:           # columns, so that the vertical seperators are visible
                   1059:           my ($cols) = $infocols;
                   1060:           while ($cols > 1) {
                   1061:             print "</td>\n<td>&nbsp;";
                   1062:             $cols--;
                   1063:           }
                   1064:         }
                   1065:       }
                   1066:
3.131     scop     1067:       print "</td>\n</tr>\n";
3.120     scop     1068:       $dirrow++;
3.131     scop     1069:
3.120     scop     1070:     } elsif ($file =~ s/,v$//) {
                   1071:
3.271     scop     1072:       my $fileurl = ($attic ? 'Attic/' : '') . uri_escape_path($file);
3.268     scop     1073:       my $url     = './' . $fileurl . $query;
3.120     scop     1074:       $filesexists++;
                   1075:       next if (!defined($fileinfo{$file}));
3.152     scop     1076:       my ($rev, $date, $log, $author, $filename, $keywordsubst) =
                   1077:         @{$fileinfo{$file}};
3.156     scop     1078:       my $isbinary = $keywordsubst eq 'b' ? 1 : 0;
3.120     scop     1079:       $filesfound++;
3.156     scop     1080:
3.199     scop     1081:       printf "<tr class=\"%s\">\n", ($dirrow % 2) ? 'even' : 'odd';
3.239     scop     1082:       printf '<td class="file"%s>', $allow_cvsgraph ? '' : ' colspan="2"';
3.120     scop     1083:
3.156     scop     1084:       my $icon = $isbinary ? $binfileicon : $fileicon;
3.261     scop     1085:       print $nofilelinks ? $icon : &link($icon, $url);
3.120     scop     1086:       print '&nbsp;', &link(htmlquote($file), $url), $attic;
3.199     scop     1087:       print '</td><td class="graph">', graph_link($fileurl) if $allow_cvsgraph;
3.219     scop     1088:       print "</td>\n<td width=\"30\">", display_link($fileurl, $rev);
3.199     scop     1089:       print "</td>\n<td class=\"age\">";
                   1090:       print readableTime(time() - $date, 0) if $date;
                   1091:       print "</td>\n<td class=\"author\">", htmlquote($author) if $show_author;
                   1092:       print "</td>\n<td class=\"log\">";
3.120     scop     1093:
                   1094:       if ($log) {
3.199     scop     1095:         print htmlify(substr($log, 0, $shortLogLen), $allow_dir_extra);
3.120     scop     1096:         print '...' if (length $log > 80);
                   1097:       }
3.131     scop     1098:       print "</td>\n</tr>";
3.120     scop     1099:       $dirrow++;
                   1100:     }
                   1101:     print "\n";
                   1102:   }
                   1103:
3.131     scop     1104:   print "</table>\n";
3.120     scop     1105:
3.150     scop     1106:   if ((my $num = scalar(@unreadable)) && ! $input{hidenonreadable}) {
                   1107:     printf(<<EOF, $num, htmlquote(join(', ', @unreadable)));
                   1108: <p>
3.208     scop     1109:  <b>NOTE:</b> The following %d unreadable files were ignored:<br />
3.150     scop     1110:  <em>%s</em>
                   1111: </p>
                   1112: EOF
                   1113:   }
                   1114:
3.120     scop     1115:   if ($filesexists && !$filesfound) {
3.150     scop     1116:     my $currtag = defined($input{only_with_tag}) ?
                   1117:       sprintf(' (%s)', htmlquote($input{only_with_tag})) : '';
                   1118:     printf(<<EOF, $filesexists, $currtag);
                   1119: <p>
                   1120:  <b>NOTE:</b> There are %d files, but none matches the current tag%s.
                   1121: </p>
                   1122: EOF
3.120     scop     1123:   }
                   1124:
                   1125:   if ($input{only_with_tag} && (!%tags || !$tags{$input{only_with_tag}})) {
                   1126:     %tags = %alltags;
                   1127:   }
                   1128:
                   1129:   if (scalar %tags
                   1130:       || $input{only_with_tag}
                   1131:       || $edit_option_form
3.254     scop     1132:       || defined($input{options}))
3.120     scop     1133:   {
3.208     scop     1134:     print "<hr />\n";
3.120     scop     1135:   }
                   1136:
                   1137:   if (scalar %tags || $input{only_with_tag}) {
3.208     scop     1138:     print "<form method=\"get\" action=\"./\">\n<p>\n";
3.120     scop     1139:     foreach my $var (@stickyvars) {
3.208     scop     1140:       printf("<input type=\"hidden\" name=\"$var\" value=\"%s\" />\n",
3.154     scop     1141:              htmlquote($input{$var}))
3.120     scop     1142:         if (defined($input{$var})
                   1143:             && (!defined($DEFAULTVALUE{$var})
                   1144:                 || $input{$var} ne $DEFAULTVALUE{$var})
                   1145:             && $var ne 'only_with_tag');
                   1146:     }
3.208     scop     1147:     printf(<<EOF, ($use_java_script ? ' onchange="this.form.submit()"' : ''));
3.239     scop     1148: <span class="nowrap">
3.208     scop     1149: <label for="only_with_tag" accesskey="T">Show only files with tag:
                   1150: <select id="only_with_tag" name="only_with_tag"%s>
                   1151: <option value="">All tags / default branch</option>
                   1152: EOF
3.120     scop     1153:     foreach my $tag (reverse sort { lc $a cmp lc $b } keys %tags) {
3.136     scop     1154:       my $selected =
                   1155:         defined($input{only_with_tag}) && $input{only_with_tag} eq $tag;
                   1156:       printf("<option%s>%s</option>\n",
3.208     scop     1157:              $selected ? ' selected="selected"' : '',
3.136     scop     1158:              htmlquote($tag));
3.120     scop     1159:     }
3.208     scop     1160:     printf(<<EOF, htmlquote($where));
                   1161: </select>
3.239     scop     1162: </label></span> <span class="nowrap">
                   1163: <label for="path" accesskey="P">Module path or alias:
3.208     scop     1164: <input type="text" id="path" name="path" value="%s" size="15" /></label>
3.239     scop     1165: </span>
3.208     scop     1166: <input type="submit" value="Go" accesskey="G" />
                   1167: </p>
                   1168: </form>
                   1169: EOF
3.120     scop     1170:   }
                   1171:
3.188     scop     1172:   if ($allow_tar && $filesfound) {
3.120     scop     1173:     my ($basefile) = ($where =~ m,(?:.*/)?([^/]+),);
3.192     scop     1174:     my $havetar = $CMD{tar} && $CMD{gzip};
                   1175:     my $havezip = $CMD{zip};
                   1176:     if (defined($basefile) && $basefile ne '' && ($havetar || $havezip)) {
3.203     scop     1177:       my $q = ($query ? "$query;" : '?') . 'tarball=1';
3.208     scop     1178:       print "<hr />\n",
3.189     scop     1179:         '<div style="text-align: center">Download this directory in ';
3.192     scop     1180:       # Mangle the filename so browsers show a reasonable filename to download.
                   1181:       my @types = ();
3.271     scop     1182:       $basefile = uri_escape($basefile);
3.192     scop     1183:       push(@types, &link('tarball', "$basefile.tar.gz$q")) if $havetar;
                   1184:       push(@types, &link('zip archive', "$basefile.zip$q")) if $havezip;
                   1185:       print join(' or ', @types), "</div>\n";
3.120     scop     1186:     }
                   1187:   }
                   1188:
3.254     scop     1189:   if ($edit_option_form || defined($input{options})) {
3.120     scop     1190:
3.149     scop     1191:     print <<EOF;
3.270     scop     1192: <form method="get" action="./">
3.189     scop     1193: <fieldset>
                   1194: <legend>General options</legend>
3.208     scop     1195: <input type="hidden" name="copt" value="1" />
3.149     scop     1196: EOF
3.283     scop     1197:     for my $v qw(hidecvsroot hidenonreadable) {
                   1198:       printf(qq{<input type="hidden" name="%s" value="%s" />\n},
                   1199:              $v, $input{$v} || 0);
                   1200:     }
3.120     scop     1201:     if ($cvstree ne $cvstreedefault) {
3.208     scop     1202:       print "<input type=\"hidden\" name=\"cvsroot\" value=\"$cvstree\" />\n";
3.120     scop     1203:     }
3.149     scop     1204:     print <<EOF;
3.265     scop     1205: <table summary="General options">
3.149     scop     1206: <tr>
3.189     scop     1207: <td class="opt-label">
                   1208: <label for="sortby" accesskey="F">Sort files by:</label>
                   1209: </td>
                   1210: <td class="opt-value">
3.149     scop     1211: <select id="sortby" name="sortby">
                   1212: <option value="">File</option>
                   1213: EOF
3.208     scop     1214:     print "<option", $bydate ? ' selected="selected"' : '',
3.120     scop     1215:       " value=\"date\">Age</option>\n";
3.208     scop     1216:     print "<option", $byauthor ? ' selected="selected"' : '',
3.120     scop     1217:       " value=\"author\">Author</option>\n"
3.140     scop     1218:         if $show_author;
3.208     scop     1219:     print "<option", $byrev ? ' selected="selected"' : '',
3.120     scop     1220:       " value=\"rev\">Revision</option>\n";
3.208     scop     1221:     print "<option", $bylog ? ' selected="selected"' : '',
3.120     scop     1222:       " value=\"log\">Log message</option>\n";
3.189     scop     1223:     print <<EOF;
                   1224: </select>,
                   1225: <label for="ignorecase" accesskey="I">case-insensitive:
                   1226: EOF
                   1227:     print '<input id="ignorecase" name="ignorecase" type="checkbox"',
3.208     scop     1228:       $input{ignorecase} ? ' checked="checked"' : '',
                   1229:         " value=\"1\" /></label>\n";
3.189     scop     1230:     print <<EOF;
                   1231: </td>
                   1232: <td class="opt-label">
                   1233: <label for="hideattic" accesskey="A">Hide files in Attic:</label>
                   1234: </td>
                   1235: <td class="opt-value">
                   1236: EOF
                   1237:     print '<input id="hideattic" name="hideattic" type="checkbox"',
3.208     scop     1238:       $input{hideattic} ? ' checked="checked"' : '', ' value="1" />';
3.189     scop     1239:     print <<EOF;
                   1240: </td>
                   1241: </tr>
                   1242: <tr>
                   1243: <td class="opt-label">
                   1244: <label for="logsort" accesskey="L">Sort log by:</label>
                   1245: </td>
                   1246: <td class="opt-value">
                   1247: EOF
3.120     scop     1248:     printLogSortSelect(0);
3.189     scop     1249:     print <<EOF;
                   1250: </td>
                   1251: <td class="opt-label">
                   1252: <label for="ln" accesskey="N">Show line numbers:</label>
                   1253: </td>
                   1254: <td class="opt-value">
                   1255: EOF
                   1256:     print '<input id="ln" name="ln" type="checkbox"',
3.208     scop     1257:       $input{ln} ? ' checked="checked"' : '', " value=\"1\" />\n";
3.189     scop     1258:     print <<EOF;
                   1259: </td>
                   1260: </tr>
                   1261: <tr>
                   1262: <td class="opt-label">
                   1263: <label for="f" accesskey="D">Diff format:</label>
                   1264: </td>
                   1265: <td>
                   1266: EOF
3.120     scop     1267:     printDiffSelect(0);
3.149     scop     1268:     print <<EOF;
3.189     scop     1269: </td>
                   1270: <td colspan="2" class="opt-label">
3.208     scop     1271: <input type="submit" value="Change Options" accesskey="C" />
3.189     scop     1272: </td>
3.149     scop     1273: </tr>
                   1274: </table>
3.189     scop     1275: </fieldset>
3.149     scop     1276: </form>
                   1277: EOF
3.120     scop     1278:   }
                   1279:   html_footer();
3.80      knu      1280: }
3.1       knu      1281:
                   1282: ###############################
                   1283: # View Files
                   1284: ###############################
3.80      knu      1285: elsif (-f $fullname . ',v') {
3.114     scop     1286:
3.254     scop     1287:   if (defined($input{rev}) || $doCheckout) {
3.275     scop     1288:     &doCheckout($fullname, $input{rev}, $input{only_with_tag});
3.120     scop     1289:     gzipclose();
                   1290:     exit;
                   1291:   }
                   1292:
3.254     scop     1293:   if (defined($input{annotate}) && $allow_annotate) {
3.275     scop     1294:     &doAnnotate($input{annotate}, $input{only_with_tag});
3.120     scop     1295:     gzipclose();
                   1296:     exit;
                   1297:   }
                   1298:
3.254     scop     1299:   if (defined($input{r1}) && defined($input{r2})) {
                   1300:     &doDiff($fullname,  $input{r1},  $input{tr1},
                   1301:             $input{r2}, $input{tr2}, $input{f});
3.120     scop     1302:     gzipclose();
                   1303:     exit;
                   1304:   }
3.132     scop     1305:
3.170     scop     1306:   if ($allow_cvsgraph && $input{graph}) {
                   1307:     if ($input{makeimage}) {
                   1308:       doGraph();
3.132     scop     1309:     } else {
3.170     scop     1310:       doGraphView();
3.132     scop     1311:     }
                   1312:     gzipclose();
                   1313:     exit;
                   1314:   }
                   1315:
3.120     scop     1316:   &doLog($fullname);
3.276     scop     1317: }
3.120     scop     1318:
3.276     scop     1319: ##############################
                   1320: # View Diff
                   1321: ##############################
                   1322: elsif ($fullname =~ s/\.diff$//
                   1323:        && -f $fullname . ',v' && $input{r1} && $input{r2})
3.120     scop     1324: {
                   1325:
                   1326:   # $where-diff-removal if 'cvs rdiff' is used
                   1327:   # .. but 'cvs rdiff'doesn't support some options
                   1328:   # rcsdiff does (-w and -p), so it is disabled
                   1329:   # $where =~ s/\.diff$//;
                   1330:
3.189     scop     1331:   # Allow diffs using the ".diff" extension so that browsers that default
                   1332:   # to the filename in the URL when saving don't save diffs as eg. foo.c.
3.254     scop     1333:   &doDiff($fullname,  $input{r1},  $input{tr1},
                   1334:           $input{r2}, $input{tr2}, $input{f});
3.120     scop     1335:   gzipclose();
                   1336:   exit;
                   1337:
3.276     scop     1338: }
                   1339:
                   1340: elsif (do { (my $tmp = $fullname) =~ s|/([^/]+)$|/Attic/$1|; -f "$tmp,v" }) {
3.120     scop     1341:   # The file has been removed and is in the Attic.
                   1342:   # Send a redirect pointing to the file in the Attic.
                   1343:   (my $newplace = $scriptwhere) =~ s|/([^/]+)$|/Attic/$1|;
                   1344:   if ($ENV{QUERY_STRING} ne "") {
3.268     scop     1345:     redirect("$newplace?$ENV{QUERY_STRING}");
3.120     scop     1346:   } else {
                   1347:     redirect($newplace);
                   1348:   }
                   1349:   exit;
3.268     scop     1350:
3.276     scop     1351: }
                   1352:
                   1353: elsif (0 && (my @files = &safeglob($fullname . ",v"))) {
3.120     scop     1354:   http_header("text/plain");
                   1355:   print "You matched the following files:\n";
                   1356:   print join ("\n", @files);
3.80      knu      1357:
3.276     scop     1358:   # TODO:
3.120     scop     1359:   # Find the tags from each file
                   1360:   # Display a form offering diffs between said tags
3.276     scop     1361: }
3.80      knu      1362:
3.276     scop     1363: else {
3.120     scop     1364:   # Assume it's a module name with a potential path following it.
3.268     scop     1365:   my $module;
3.266     scop     1366:   my $xtra = (($module = $where) =~ s|(/.*)||) ? $1 : '';
3.80      knu      1367:
3.120     scop     1368:   # Is there an indexed version of modules?
3.268     scop     1369:   my $fh = do { local (*FH); };
                   1370:   if (open($fh, catfile($cvsroot, 'CVSROOT', 'modules'))) {
3.120     scop     1371:     while (<$fh>) {
                   1372:       if (/^(\S+)\s+(\S+)/o
                   1373:           && $module eq $1
3.268     scop     1374:           && $module ne $2
                   1375:           && -d "$cvsroot/$2")
3.120     scop     1376:       {
3.267     scop     1377:         close($fh);
3.120     scop     1378:         redirect("$scriptname/$2$xtra$query");
                   1379:       }
                   1380:     }
3.267     scop     1381:     close($fh);
3.120     scop     1382:   }
                   1383:   fatal("404 Not Found", '%s: no such file or directory', $where);
3.80      knu      1384: }
3.23      knu      1385:
3.25      knu      1386: gzipclose();
3.80      knu      1387:
3.1       knu      1388: ## End MAIN
                   1389:
3.175     scop     1390:
3.120     scop     1391: sub printDiffSelect($)
                   1392: {
                   1393:   my ($use_java_script) = @_;
                   1394:
                   1395:   print '<select id="f" name="f"';
                   1396:   print ' onchange="this.form.submit()"' if $use_java_script;
                   1397:   print ">\n";
                   1398:
3.175     scop     1399:   for my $difftype (@DIFFTYPES) {
3.120     scop     1400:     printf("<option value=\"%s\"%s>%s</option>\n",
3.208     scop     1401:            $difftype, $input{f} eq $difftype ? ' selected="selected"' : '',
3.175     scop     1402:            "\u$DIFFTYPES{$difftype}{descr}");
3.120     scop     1403:   }
                   1404:
                   1405:   print "</select>";
                   1406: }
                   1407:
3.175     scop     1408:
3.168     scop     1409: sub printDiffSelectStickyVars()
                   1410: {
                   1411:   while (my ($key, $val) = each %input) {
                   1412:     next if ($key eq 'f');
                   1413:     next if (defined($DEFAULTVALUE{$key}) && $DEFAULTVALUE{$key} eq $val);
3.206     scop     1414:     print "<input type=\"hidden\" name=\"", htmlquote($key), "\" value=\"",
3.208     scop     1415:       htmlquote($val), "\" />\n";
3.168     scop     1416:   }
                   1417: }
                   1418:
3.175     scop     1419:
3.120     scop     1420: sub printLogSortSelect($)
                   1421: {
                   1422:   my ($use_java_script) = @_;
                   1423:
                   1424:   print '<select id="logsort" name="logsort"';
                   1425:   print ' onchange="this.form.submit()"' if $use_java_script;
                   1426:   print ">\n";
                   1427:
3.175     scop     1428:   for my $sortkey (@LOGSORTKEYS) {
3.120     scop     1429:     printf("<option value=\"%s\"%s>%s</option>\n",
3.208     scop     1430:            $sortkey, $logsort eq $sortkey ? ' selected="selected"' : '',
3.175     scop     1431:            "\u$LOGSORTKEYS{$sortkey}{descr}");
3.120     scop     1432:   }
                   1433:
                   1434:   print "</select>";
                   1435: }
                   1436:
3.175     scop     1437:
3.197     scop     1438: #
                   1439: # Find the last modified, version controlled files in the given directories.
                   1440: # Compares solely based on modification timestamps.  Files in the returned list
                   1441: # are without the ,v suffix, and unreadable files have been filtered out.
                   1442: #
3.120     scop     1443: sub findLastModifiedSubdirs(@)
                   1444: {
                   1445:   my (@dirs) = @_;
                   1446:
3.175     scop     1447:   my @files;
                   1448:   foreach my $dirname (@dirs) {
3.196     scop     1449:     next if ($dirname eq curdir() || $dirname eq updir());
                   1450:     my $dir = catdir($fullname, $dirname);
3.120     scop     1451:     next if (!-d $dir);
                   1452:
                   1453:     my $dh = do { local (*DH); };
                   1454:     opendir($dh, $dir) or next;
3.233     scop     1455:     my (@filenames) = grep(!forbidden(catfile($dir, $_)), readdir($dh));
3.120     scop     1456:     closedir($dh);
                   1457:
3.175     scop     1458:     my $lastmod     = undef;
                   1459:     my $lastmodtime = undef;
3.120     scop     1460:     foreach my $filename (@filenames) {
3.197     scop     1461:       ($filename) =
                   1462:         (catfile($dirname, $filename) =~ VALID_PATH) or next; # untaint
3.196     scop     1463:       my ($file) = catfile($fullname, $filename);
3.197     scop     1464:       next if ($filename !~ /,v$/o || !-f $file || !-r _);
                   1465:       my $modtime = -M _;
3.120     scop     1466:       if (!defined($lastmod) || $modtime < $lastmodtime) {
3.233     scop     1467:         ($lastmod    = $filename) =~ s/,v$//;
3.120     scop     1468:         $lastmodtime = $modtime;
                   1469:       }
                   1470:     }
3.175     scop     1471:     push(@files, $lastmod) if (defined($lastmod));
3.120     scop     1472:   }
                   1473:   return @files;
                   1474: }
                   1475:
3.175     scop     1476:
3.120     scop     1477: sub htmlify_sub(&$)
                   1478: {
                   1479:   (my $proc, local $_) = @_;
3.261     scop     1480:   my @a = split(m|(<a [^>]+>[^<]*</a>)|i);
3.120     scop     1481:   my $linked;
                   1482:   my $result = '';
                   1483:
                   1484:   while (($_, $linked) = splice(@a, 0, 2)) {
                   1485:     &$proc();
                   1486:     $result .= $_      if defined($_);
                   1487:     $result .= $linked if defined($linked);
                   1488:   }
                   1489:
3.175     scop     1490:   return $result;
3.120     scop     1491: }
                   1492:
3.175     scop     1493:
3.120     scop     1494: sub htmlify($;$)
                   1495: {
                   1496:   (local $_, my $extra) = @_;
                   1497:
                   1498:   $_ = htmlquote($_);
                   1499:
                   1500:   # get URL's as link
                   1501:   s{
3.130     scop     1502:     ((https?|ftp)://.+?)([\s\']|&(quot|[lg]t);)
3.120     scop     1503:    }{
3.130     scop     1504:      &link($1, htmlunquote($1)) . $3
3.120     scop     1505:    }egx;
                   1506:
                   1507:   # get e-mails as link
                   1508:   $_ = htmlify_sub {
                   1509:     s<
3.266     scop     1510:       ([\w+=\-.!]+@[\w\-]+(?:\.[\w\-]+)+)
3.120     scop     1511:      ><
3.266     scop     1512:        &link($1, "mailto:$1")
3.120     scop     1513:      >egix;
                   1514:   } $_;
                   1515:
                   1516:   if ($extra) {
                   1517:
                   1518:     # get PR #'s as link: "PR#nnnn" "PR: nnnn, ..." "PR nnnn, ..." "bin/nnnn"
                   1519:     if (defined($prcgi) && defined($re_prkeyword)) {
                   1520:       my $prev;
                   1521:
                   1522:       do {
                   1523:         $prev = $_;
                   1524:
                   1525:         $_ = htmlify_sub {
                   1526:           s{
                   1527:             (\b$re_prkeyword[:\#]?\s*
                   1528:              (?:
                   1529:               \#?
                   1530:               \d+[,\s]\s*
                   1531:              )*
                   1532:              \#?)
                   1533:             (\d+)\b
                   1534:            }{
                   1535:              $1 . &link($2, sprintf($prcgi, $2))
                   1536:            }egix;
                   1537:         } $_;
                   1538:       } while ($_ ne $prev);
                   1539:
                   1540:       if (defined($re_prcategories)) {
                   1541:         $_ = htmlify_sub {
                   1542:           s{
                   1543:             (\b$re_prcategories/(\d+)\b)
                   1544:            }{
                   1545:              &link($1, sprintf($prcgi, $2))
                   1546:            }egox;
                   1547:         } $_;
                   1548:       }
                   1549:     }
                   1550:
                   1551:     # get manpage specs as link: "foo.1" "foo(1)"
                   1552:     if (defined($mancgi)) {
                   1553:       $_ = htmlify_sub {
                   1554:         s{
3.143     knu      1555:           (
                   1556:            \b ( \w[\w+\-.]* (?: ::\w[\w+\-.]*)* )
3.120     scop     1557:            (?:
3.143     knu      1558:             \( ([0-9n]) \) \B
3.120     scop     1559:             |
3.143     knu      1560:             \. ([0-9n]) \b
3.120     scop     1561:            )
                   1562:           )
                   1563:          }{
3.149     scop     1564:             my($text, $name, $section) = ($1, $2, defined($3) ? $3 : $4);
                   1565:             ($name =~ /[A-Za-z]/ && $name !~ /\.(:|$)/)
3.271     scop     1566:              ? &link($text, sprintf($mancgi, $section, uri_escape($name)))
3.149     scop     1567:               : $text;
3.120     scop     1568:          }egx;
                   1569:       } $_;
                   1570:     }
                   1571:   }
                   1572:
3.175     scop     1573:   return $_;
3.120     scop     1574: }
                   1575:
3.175     scop     1576:
3.120     scop     1577: sub spacedHtmlText($;$)
                   1578: {
3.175     scop     1579:   (local $_, my $ts) = @_;
3.224     scop     1580:   return '' unless defined($_);
3.284     scop     1581:   $ts ||= $tabstop || 8;
3.120     scop     1582:
3.286   ! scop     1583:   # Expand tabs
        !          1584:   1 while s/(.*?)(\t+)/$1 . ' ' x (length($2) * $ts - length($1) % $ts)/e;
3.120     scop     1585:
                   1586:   if ($hr_breakable) {
3.277     scop     1587:     s/^ /\001nbsp;/;      # protect leading and...
                   1588:     s/ $/\001nbsp;/;      # ...trailing whitespace (mostly for String::Ediff),
                   1589:     s/  / \001nbsp;/g;    # ...and leave every other space 'breakable'
3.120     scop     1590:   } else {
                   1591:     s/ /\001nbsp;/g;
                   1592:   }
                   1593:
                   1594:   $_ = htmlify($_, $allow_source_extra);
                   1595:
                   1596:   # unescape
                   1597:   y/\001/&/;
                   1598:
                   1599:   return $_;
                   1600: }
                   1601:
3.175     scop     1602:
3.120     scop     1603: # Note that this doesn't htmlquote the first argument...
                   1604: sub link($$)
                   1605: {
                   1606:   my ($name, $url) = @_;
3.271     scop     1607:   return sprintf('<a href="%s">%s</a>', htmlquote($url), $name);
3.120     scop     1608: }
                   1609:
3.175     scop     1610:
3.120     scop     1611: sub revcmp($$)
                   1612: {
                   1613:   my ($rev1, $rev2) = @_;
                   1614:
                   1615:   # make no comparison for a tag or a branch
                   1616:   return 0 if $rev1 =~ /[^\d.]/ || $rev2 =~ /[^\d.]/;
                   1617:
3.261     scop     1618:   my (@r1) = split(/\./, $rev1);
                   1619:   my (@r2) = split(/\./, $rev2);
3.120     scop     1620:   my ($a, $b);
                   1621:
3.261     scop     1622:   while (($a = shift(@r1)) && ($b = shift(@r2))) {
                   1623:     return $a <=> $b unless ($a == $b);
3.120     scop     1624:   }
                   1625:   if (@r1) { return  1; }
                   1626:   if (@r2) { return -1; }
                   1627:   return 0;
                   1628: }
                   1629:
3.175     scop     1630:
3.120     scop     1631: sub fatal($$@)
                   1632: {
                   1633:   my ($errcode, $format, @args) = @_;
3.185     scop     1634:   print "Status: $errcode\r\n";
3.131     scop     1635:   html_header('Error');
3.215     scop     1636:   print '<div id="error">Error: ',
                   1637:     sprintf($format, map(htmlquote($_), @args)), "</div>\n";
3.120     scop     1638:   html_footer();
                   1639:   exit(1);
                   1640: }
                   1641:
3.175     scop     1642:
3.269     scop     1643: #
                   1644: # Sends a redirect to the given URL.
                   1645: #
                   1646: sub redirect($;$)
3.120     scop     1647: {
3.269     scop     1648:   my ($url, $permanent) = @_;
                   1649:   my ($status, $text);
                   1650:   if ($permanent) {
                   1651:     $status = '301';
                   1652:     $text   = 'Moved Permanently';
                   1653:   } else {
                   1654:     $status = '302';
                   1655:     $text   = 'Found';
                   1656:   }
                   1657:   print "Status: $status $text\r\n", "Location: $url\r\n";
                   1658:   html_header($text);
                   1659:   print "<p>This document has moved ", &link('here', $url), ".</p>\n";
3.120     scop     1660:   html_footer();
                   1661:   exit(1);
                   1662: }
                   1663:
3.175     scop     1664:
3.120     scop     1665: sub safeglob($)
                   1666: {
                   1667:   my ($filename) = @_;
                   1668:
3.175     scop     1669:   (my $dirname = $filename) =~ s|/[^/]+$||;
3.120     scop     1670:   $filename =~ s|.*/||;
                   1671:
3.175     scop     1672:   my @results;
                   1673:   my $dh = do { local (*DH); };
3.120     scop     1674:   if (opendir($dh, $dirname)) {
                   1675:     my $glob = $filename;
                   1676:     my $t;
                   1677:
3.149     scop     1678:     #   transform filename from glob to regex.  Deal with:
                   1679:     #   [, {, ?, * as glob chars
                   1680:     #   make sure to escape all other regex chars
3.120     scop     1681:     $glob =~ s/([\.\(\)\|\+])/\\$1/g;
                   1682:     $glob =~ s/\*/.*/g;
                   1683:     $glob =~ s/\?/./g;
                   1684:     $glob =~ s/{([^}]+)}/($t = $1) =~ s-,-|-g; "($t)"/eg;
3.222     scop     1685:     $glob = qr/^$glob$/;
                   1686:
3.120     scop     1687:     foreach (readdir($dh)) {
3.222     scop     1688:       if ($_ =~ $glob && $_ =~ VALID_PATH) {
3.194     scop     1689:         push(@results, catfile($dirname, $1)); # untaint
3.120     scop     1690:       }
                   1691:     }
                   1692:     closedir($dh);
                   1693:   }
                   1694:
3.175     scop     1695:   return @results;
3.120     scop     1696: }
                   1697:
3.160     scop     1698:
3.227     scop     1699: #
3.230     scop     1700: # Searches @command_path for the given executable file.
3.227     scop     1701: #
3.120     scop     1702: sub search_path($)
                   1703: {
                   1704:   my ($command) = @_;
3.230     scop     1705:   for my $d (@command_path) {
3.227     scop     1706:     my $cmd = catfile($d, $command);
                   1707:     return $cmd if (-x $cmd && !-d _);
3.120     scop     1708:   }
                   1709:   return '';
                   1710: }
                   1711:
3.156     scop     1712:
3.219     scop     1713: #
                   1714: # Gets the enscript(1) highlight mode corresponding to the given filename,
                   1715: # or undef if unsupported.
                   1716: #
                   1717: sub getEnscriptHL($)
                   1718: {
                   1719:   return undef unless $allow_enscript;
                   1720:   my ($filename) = @_;
                   1721:   while (my ($hl, $regex) = each %enscript_types) {
                   1722:     return $hl if ($filename =~ $regex);
                   1723:   }
                   1724:   return undef;
                   1725: }
                   1726:
                   1727:
                   1728: #
                   1729: # Gets the MIME type for the given file name.
                   1730: #
3.156     scop     1731: sub getMimeType($;$)
3.120     scop     1732: {
3.156     scop     1733:   my ($fullname, $binary) = @_;
                   1734:   $binary = ($keywordsubstitution && $keywordsubstitution =~ /b/)
                   1735:     unless defined($binary);
                   1736:
                   1737:   (my $suffix = $fullname) =~ s/^.*\.([^.]*)$/$1/;
                   1738:
                   1739:   my $mimetype = $MTYPES{$suffix};
                   1740:   $mimetype  ||= $MimeTypes->mimeTypeOf($fullname) if defined($MimeTypes);
                   1741:
                   1742:   if (!$mimetype && $suffix ne '*' && -f $mime_types && -r _) {
                   1743:     my $fh = do { local (*FH); };
                   1744:     if (open($fh, $mime_types)) {
                   1745:       my $re = sprintf('^\s*(\S+\/\S+)\s.+\b%s\b', quotemeta($suffix));
3.222     scop     1746:       $re = qr/$re/;
3.156     scop     1747:       while (my $line = <$fh>) {
                   1748:         if ($line =~ $re) {
                   1749:           $mimetype = $1;
                   1750:           $MTYPES{$suffix} = $mimetype;
                   1751:           last;
                   1752:         }
3.120     scop     1753:       }
3.156     scop     1754:       close($fh);
                   1755:     } else {
                   1756:       warn("Can't open MIME types file $mime_types for reading: $!");
3.120     scop     1757:     }
                   1758:   }
                   1759:
3.156     scop     1760:   $mimetype ||= $MTYPES{'*'};
                   1761:   $mimetype ||= $binary ? 'application/octet-stream' : 'text/plain';
3.120     scop     1762:   return $mimetype;
3.1       knu      1763: }
                   1764:
3.156     scop     1765:
3.1       knu      1766: ###############################
3.24      knu      1767: # read first lines like head(1)
                   1768: ###############################
3.120     scop     1769: sub head($;$)
                   1770: {
3.175     scop     1771:   my ($fh, $linecount) = @_;
                   1772:   $linecount ||= 10;
3.24      knu      1773:
3.120     scop     1774:   my @buf;
                   1775:   if ($linecount > 0) {
3.184     scop     1776:     for (my $i = 0; !eof($fh) && $i < $linecount; $i++) {
3.120     scop     1777:       push @buf, scalar <$fh>;
                   1778:     }
                   1779:   } else {
                   1780:     @buf = <$fh>;
                   1781:   }
3.175     scop     1782:   return @buf;
                   1783: }
3.120     scop     1784:
3.24      knu      1785:
                   1786: ###############################
                   1787: # scan vim and Emacs directives
                   1788: ###############################
3.120     scop     1789: sub scan_directives(@)
                   1790: {
                   1791:   my $ts = undef;
3.24      knu      1792:
3.120     scop     1793:   for (@_) {
                   1794:     $ts = $1 if /\b(?:ts|tabstop|tab-width)[:=]\s*([1-9]\d*)\b/;
                   1795:   }
3.24      knu      1796:
3.120     scop     1797:   ('tabstop' => $ts);
3.24      knu      1798: }
                   1799:
3.175     scop     1800:
3.120     scop     1801: sub openOutputFilter()
                   1802: {
3.175     scop     1803:   return unless $output_filter;
3.86      knu      1804:
3.120     scop     1805:   open(STDOUT, "|-") and return;
3.86      knu      1806:
3.120     scop     1807:   # child of child
3.273     scop     1808:   open(STDERR, '>', devnull()) unless $DEBUG;
3.120     scop     1809:   exec($output_filter) or exit -1;
3.86      knu      1810: }
                   1811:
3.175     scop     1812:
3.24      knu      1813: ###############################
3.1       knu      1814: # show Annotation
                   1815: ###############################
3.275     scop     1816: sub doAnnotate($$)
3.120     scop     1817: {
3.275     scop     1818:   my ($rev, $tag) = @_;
                   1819:   $rev = $tag || 'HEAD' if ($rev eq '.');
3.262     scop     1820:   (my $pathname = $where) =~ s|((?<=/)Attic/)?[^/]*$||;
3.261     scop     1821:   (my $filename = $where) =~ s|^.*/||;
3.126     scop     1822:
3.174     scop     1823:   # This annotate version is based on the cvs annotate-demo Perl script by
                   1824:   # Cyclic Software.  It was written by Cyclic Software,
                   1825:   # http://www.cyclic.com/, and is in the public domain.
                   1826:   # We could abandon the use of rlog, rcsdiff and co using
                   1827:   # the cvs server in a similiar way one day (..after rewrite).
                   1828:
                   1829:   local (*CVS_IN, *CVS_OUT);
3.215     scop     1830:   my $annotate_err;
3.174     scop     1831:   my ($h, $err) =
                   1832:     startproc([ $CMD{cvs}, @annotate_options, 'server' ],
3.215     scop     1833:               '<pipe', \*CVS_IN, '>pipe', \*CVS_OUT,
3.229     scop     1834:               '2>', \$annotate_err);
3.215     scop     1835:   fatal('500 Internal Error',
                   1836:         'Annotate failure (exit status %s), output: <pre>%s</pre>',
                   1837:         $? >> 8 || -1, $err)
                   1838:     unless $h;
3.120     scop     1839:
                   1840:   # OK, first send the request to the server.  A simplified example is:
                   1841:   #     Root /home/kingdon/zwork/cvsroot
                   1842:   #     Argument foo/xx
                   1843:   #     Directory foo
                   1844:   #     /home/kingdon/zwork/cvsroot/foo
                   1845:   #     Directory .
                   1846:   #     /home/kingdon/zwork/cvsroot
                   1847:   #     annotate
                   1848:   # although as you can see there are a few more details.
                   1849:
3.174     scop     1850:   print CVS_IN "Root $cvsroot\n";
                   1851:   print CVS_IN
3.120     scop     1852:     "Valid-responses ok error Valid-requests Checked-in Updated Merged Removed M E\n";
                   1853:
                   1854:   # Don't worry about sending valid-requests, the server just needs to
                   1855:   # support "annotate" and if it doesn't, there isn't anything to be done.
3.174     scop     1856:   print CVS_IN "UseUnchanged\n";
                   1857:   print CVS_IN "Argument -r\n";
                   1858:   print CVS_IN "Argument $rev\n";
                   1859:   print CVS_IN "Argument $where\n";
3.120     scop     1860:
                   1861:   # The protocol requires us to fully fake a working directory (at
                   1862:   # least to the point of including the directories down to the one
                   1863:   # containing the file in question).
3.123     scop     1864:   # So if $where is "dir/sdir/file", then dirs will be ("dir","sdir","file")
                   1865:   my $path = '';
                   1866:   foreach my $dir (split('/', $where)) {
3.120     scop     1867:
                   1868:     if ($path eq "") {
3.123     scop     1869:       # In our example, $dir is "dir".
                   1870:       $path = $dir;
3.120     scop     1871:     } else {
3.174     scop     1872:       print CVS_IN "Directory $path\n";
                   1873:       print CVS_IN "$cvsroot/$path\n";
3.120     scop     1874:
                   1875:       # In our example, $_ is "sdir" and $path becomes "dir/sdir"
                   1876:       # And the next time, "file" and "dir/sdir/file" (which then gets
                   1877:       # ignored, because we don't need to send Directory for the file).
3.123     scop     1878:       $path .= "/$dir";
3.120     scop     1879:     }
                   1880:   }
3.123     scop     1881:   undef $path;
3.120     scop     1882:
                   1883:   # And the last "Directory" before "annotate" is the top level.
3.174     scop     1884:   print CVS_IN "Directory .\n";
                   1885:   print CVS_IN "$cvsroot\n";
3.120     scop     1886:
3.174     scop     1887:   print CVS_IN "annotate\n";
3.120     scop     1888:
                   1889:   # OK, we've sent our command to the server.  Thing to do is to
3.215     scop     1890:   # close the writer side and get all the responses.
                   1891:   if (!close(CVS_IN)) {
3.229     scop     1892:     $h->finish();
3.215     scop     1893:     fatal('500 Internal Error',
                   1894:           'Annotate failure (exit status %s): <code>%s</code>, output: ' .
                   1895:           '<pre>%s</pre>', $? >> 8, $!, $annotate_err);
                   1896:   }
3.120     scop     1897:
3.133     scop     1898:   navigateHeader($scriptwhere, $pathname, $filename, $rev, 'annotate');
3.120     scop     1899:
3.275     scop     1900:   my $revtype = ($rev =~ /\./) ? 'revision' : 'tag'; # TODO: tag -> branch/tag?
3.136     scop     1901:   print '<h3 style="text-align: center">Annotation of ',
3.275     scop     1902:     htmlquote("$pathname$filename"), ", $revtype $rev</h3>\n";
3.120     scop     1903:
                   1904:   # Ready to get the responses from the server.
                   1905:   # For example:
                   1906:   #     E Annotations for foo/xx
                   1907:   #     E ***************
                   1908:   #     M 1.3          (kingdon  06-Sep-97): hello
                   1909:   #     ok
                   1910:   my ($lineNr) = 0;
                   1911:   my ($oldLrev, $oldLusr) = ("", "");
                   1912:   my ($revprint, $usrprint);
                   1913:
                   1914:   if ($annTable) {
3.179     scop     1915:     print <<EOF;
                   1916: <table style="border: none" cellspacing="0" cellpadding="0" summary="Annotation">
                   1917: EOF
3.120     scop     1918:   } else {
                   1919:     print "<pre>";
                   1920:   }
                   1921:
                   1922:   # prefetch several lines
3.174     scop     1923:   my @buf = head(*CVS_OUT);
3.120     scop     1924:
                   1925:   my %d = scan_directives(@buf);
                   1926:
3.174     scop     1927:   while (@buf || !eof(*CVS_OUT)) {
3.197     scop     1928:
3.174     scop     1929:     $_ = @buf ? shift @buf : <CVS_OUT>;
3.120     scop     1930:     my @words = split;
                   1931:
                   1932:     # Adding one is for the (single) space which follows $words[0].
                   1933:     my $rest = substr($_, length($words[0]) + 1);
                   1934:     if ($words[0] eq "E") {
                   1935:       next;
                   1936:     } elsif ($words[0] eq "M") {
                   1937:       $lineNr++;
                   1938:       (my $lrev = substr($_, 2,  13)) =~ y/ //d;
                   1939:       (my $lusr = substr($_, 16, 9))  =~ y/ //d;
                   1940:       my $line = substr($_, 36);
3.275     scop     1941:       # TODO: this does not work for branch/tag revisions.
3.120     scop     1942:       my $isCurrentRev = ($rev eq $lrev);
                   1943:
                   1944:       # we should parse the date here ..
                   1945:       if ($lrev eq $oldLrev) {
                   1946:         $revprint = sprintf('%-8s', '');
                   1947:       } else {
                   1948:         $revprint = sprintf('%-8s', $lrev);
3.266     scop     1949:         $revprint =~ s|(\S+)|&link($1, uri_escape($filename)."$query#rev$1")|e;
3.120     scop     1950:         $oldLusr = '';
                   1951:       }
                   1952:
3.268     scop     1953:       $usrprint = ($lusr eq $oldLusr) ? '' : $lusr;
3.120     scop     1954:       $oldLrev = $lrev;
                   1955:       $oldLusr = $lusr;
                   1956:
3.250     scop     1957:       print $is_textbased ? '<b>' : '<span class="current-rev">'
                   1958:         if $isCurrentRev;
3.120     scop     1959:
3.136     scop     1960:       $usrprint = sprintf('%-8s', $usrprint);
                   1961:       printf '%s%s %s %4d:', $revprint, $isCurrentRev ? '!' : ' ',
                   1962:         htmlquote($usrprint), $lineNr;
3.254     scop     1963:       print spacedHtmlText($line, $d{tabstop});
3.120     scop     1964:
3.250     scop     1965:       print $is_textbased ? '</b>' : '</span>' if $isCurrentRev;
                   1966:
3.120     scop     1967:     } elsif ($words[0] eq "ok") {
                   1968:       # We could complain about any text received after this, like the
                   1969:       # CVS command line client.  But for simplicity, we don't.
3.275     scop     1970:
3.120     scop     1971:     } elsif ($words[0] eq "error") {
                   1972:       fatal("500 Internal Error",
                   1973:             'Error occured during annotate: <b>%s</b>', $_);
                   1974:     }
                   1975:   }
3.229     scop     1976:   $h->finish();
3.120     scop     1977:
                   1978:   if ($annTable) {
                   1979:     print "</table>";
                   1980:   } else {
                   1981:     print "</pre>";
                   1982:   }
3.124     scop     1983:   html_footer();
3.1       knu      1984: }
                   1985:
                   1986: ###############################
                   1987: # make Checkout
                   1988: ###############################
3.275     scop     1989: sub doCheckout($$$)
3.120     scop     1990: {
3.275     scop     1991:   my ($fullname, $rev, $tag) = @_;
                   1992:   $rev = $tag || undef if (!$rev || $rev eq '.');
3.120     scop     1993:
3.219     scop     1994:   # Start resolving whether we will do a markup view or not.
                   1995:   my $do_markup = undef;
3.226     scop     1996:   my $want_type = $input{'content-type'};
                   1997:
3.219     scop     1998:   # No markup if markup disallowed.
                   1999:   $do_markup = 0 unless $allow_markup;
3.226     scop     2000:
3.219     scop     2001:   # No markup if checkout magic cookie in URL.
                   2002:   $do_markup = 0 if (!defined($do_markup) && $doCheckout);
3.226     scop     2003:
3.219     scop     2004:   # Do markup if explicitly asked using cvsweb-markup content type.  If the
                   2005:   # asked content type is anything else, no markup.
3.226     scop     2006:   if (!defined($do_markup) && $want_type) {
                   2007:     if ($want_type =~ CVSWEBMARKUP) {
                   2008:       $want_type = undef;
                   2009:       $do_markup = 1;
                   2010:     } else {
                   2011:       $do_markup = 0;
                   2012:     }
3.219     scop     2013:   }
                   2014:
                   2015:   # Ok, if $do_markup is still undefined, we know that a download has not been
                   2016:   # explicitly asked.  For the last check further down below we'll need to
                   2017:   # know if the file is binary, and possibly run a log on it.
                   2018:   my $needlog = $do_markup || $use_moddate;
3.120     scop     2019:
3.163     scop     2020:   my $moddate = undef;
3.175     scop     2021:   my $revopt;
3.120     scop     2022:   if (defined($rev)) {
                   2023:     $revopt = "-r$rev";
3.219     scop     2024:     if ($needlog) {
3.120     scop     2025:       readLog($fullname, $rev);
3.275     scop     2026:       $moddate   = $date{$rev};
                   2027:       # TODO: even this does not work for branch tags, but only normal tags :(
                   2028:       $moddate ||= $date{$symrev{$rev}} if defined($symrev{$rev});
3.120     scop     2029:     }
                   2030:   } else {
                   2031:     $revopt = "-rHEAD";
3.219     scop     2032:     if ($needlog) {
3.120     scop     2033:       readLog($fullname);
                   2034:       $moddate = $date{$symrev{HEAD}};
                   2035:     }
                   2036:   }
                   2037:
3.194     scop     2038:   my $cr = abs_path($cvsroot) || $cvsroot;
                   2039:   # abs_path() taints when run as a CGI...
                   2040:   if ($cr =~ VALID_PATH) {
                   2041:     $cr = $1;
                   2042:   } else {
                   2043:     fatal('500 Internal Error', 'Illegal CVS root: <code>%s</code>', $cr);
                   2044:   }
3.183     scop     2045:   # Use abs_path() to work around a bug of cvs -p; expand symlinks if we can.
3.194     scop     2046:   my @cmd = ($CMD{cvs}, @cvs_options, '-d', $cr, 'co', '-p', $revopt, $where);
3.183     scop     2047:
3.174     scop     2048:   local (*CVS_OUT, *CVS_ERR);
                   2049:   my ($h, $err) =
3.229     scop     2050:     startproc(\@cmd, \"", '>pipe', \*CVS_OUT, '2>pipe', \*CVS_ERR);
3.215     scop     2051:   fatal('500 Internal Error',
                   2052:         'Checkout failure (exit status %s), output: <pre>%s</pre>',
                   2053:         $? >> 8 || -1, $err)
                   2054:     unless $h;
3.120     scop     2055:
3.174     scop     2056:   if (eof(CVS_ERR)) {
3.229     scop     2057:     $h->finish();
3.120     scop     2058:     fatal("404 Not Found", '%s is not (any longer) pertinent', $where);
                   2059:   }
                   2060:
                   2061:   #===================================================================
                   2062:   #Checking out squid/src/ftp.c
                   2063:   #RCS:  /usr/src/CVS/squid/src/ftp.c,v
                   2064:   #VERS: 1.1.1.28.6.2
                   2065:   #***************
                   2066:
                   2067:   # Parse CVS header
                   2068:   my ($revision, $filename, $cvsheader);
                   2069:   $filename = "";
3.174     scop     2070:   while (<CVS_ERR>) {
3.120     scop     2071:     last if (/^\*\*\*\*/);
                   2072:     $revision = $1 if (/^VERS: (.*)$/);
                   2073:
                   2074:     if (/^Checking out (.*)$/) {
3.214     scop     2075:       ($filename = $1) =~ s|^\./+||;
3.120     scop     2076:     }
                   2077:     $cvsheader .= $_;
                   2078:   }
3.219     scop     2079:   close(CVS_ERR);
3.120     scop     2080:
                   2081:   if ($filename ne $where) {
3.229     scop     2082:     $h->finish();
3.120     scop     2083:     fatal("500 Internal Error",
3.214     scop     2084:           'Unexpected output from cvs co: <pre>%s</pre> ' .
                   2085:           '(expected "<code>%s</code>" but got "<code>%s</code>")',
                   2086:           $cvsheader, $where, $filename);
3.120     scop     2087:   }
                   2088:
3.219     scop     2089:   # Last checks whether we'll do markup or not.
                   2090:   my $isbin = $keywordsubstitution && $keywordsubstitution =~ /b/;
                   2091:   my $mimetype = getMimeType($fullname, $isbin);
                   2092:
                   2093:   # If we still are not sure whether to do markup or not:
                   2094:   # if the MIME type is "viewable" or this is not a binary file, do.
                   2095:   $do_markup = !$isbin || viewable($mimetype) unless defined($do_markup);
                   2096:
                   2097:   if ($do_markup) {
                   2098:
                   2099:     # If this is something we'll be linking to in the markup view, we are
                   2100:     # done with this particular output from "cvs co" and must discard it.
                   2101:     my $linked = $mimetype =~ m{^image/|application/pdf$}i;
                   2102:     if ($linked) {
                   2103:       close(CVS_OUT);
3.229     scop     2104:       $h->finish();
3.219     scop     2105:     }
                   2106:
3.163     scop     2107:     # Here we know the last modified date, but don't know if tags have been
3.219     scop     2108:     # added afterwards (those are shown in the markup view): no last-modified.
                   2109:     cvswebMarkup(\*CVS_OUT, $fullname, $revision, $isbin, $mimetype, $needlog);
                   2110:
3.229     scop     2111:     $h->finish() unless $linked;
3.219     scop     2112:
3.120     scop     2113:   } else {
3.226     scop     2114:     http_header($want_type || $mimetype, $moddate);
3.174     scop     2115:     local $/ = undef;
                   2116:     print <CVS_OUT>;
3.229     scop     2117:     $h->finish();
3.120     scop     2118:   }
1.12      fenner   2119: }
                   2120:
3.174     scop     2121:
3.219     scop     2122: sub cvswebMarkup($$$$$$;$)
3.120     scop     2123: {
3.219     scop     2124:   my ($filehandle, $fullname, $rev, $isbin, $mimetype, $logged, $mod) = @_;
3.1       knu      2125:
3.262     scop     2126:   (my $pathname = $where) =~ s|((?<=/)Attic/)?[^/]*$||;
3.261     scop     2127:   (my $filename = $where) =~ s|^.*/||;
3.120     scop     2128:
3.219     scop     2129:   navigateHeader($scriptwhere, $pathname, $filename, $rev, 'view', $mod);
3.120     scop     2130:
3.144     scop     2131:   print <<EOF;
3.208     scop     2132: <hr />
3.182     scop     2133: <div class="log-markup">
                   2134: File:&nbsp;
3.144     scop     2135: EOF
3.219     scop     2136:   print &clickablePath($where, 1), "<br />\n";
3.120     scop     2137:
                   2138:   if ($show_log_in_markup) {
3.219     scop     2139:     readLog($fullname) unless $logged; #,$rev);
                   2140:     printLog($rev, $mimetype, $isbin);
3.120     scop     2141:   } else {
3.244     scop     2142:     print "Revision: <b>$rev</b><br />\n";
                   2143:     print 'Tag: ', htmlquote($input{only_with_tag}), "<br />\n"
3.120     scop     2144:       if $input{only_with_tag};
                   2145:   }
3.208     scop     2146:   print "</div>\n<hr />";
3.271     scop     2147:   my $url = download_url(uri_escape($filename), $rev, $mimetype);
3.120     scop     2148:
3.219     scop     2149:   if ($mimetype =~ m|^image/|i) {
3.208     scop     2150:     printf '<img src="%s" alt="%s" /><br />',
3.271     scop     2151:       $url . $barequery, htmlquote($filename);
3.219     scop     2152:   } elsif (lc($mimetype) eq 'application/pdf') {
3.208     scop     2153:     printf '<embed src="%s" width="100%%" height="100%%" /><br />',
3.271     scop     2154:       $url . $barequery;
3.120     scop     2155:   } else {
                   2156:
3.208     scop     2157:     print "<pre>\n";
3.167     scop     2158:     my $linenumbers = $input{ln} || 0;
3.149     scop     2159:
3.219     scop     2160:     if (my $enscript_hl = getEnscriptHL($filename)) {
3.167     scop     2161:       doEnscript($filehandle, $enscript_hl, $linenumbers);
3.148     scop     2162:
                   2163:     } else {
3.200     scop     2164:       my $ln  = 0;
                   2165:       my @buf = ();
                   2166:       my $ts  = undef;
                   2167:
                   2168:       if ($preformat_in_markup) {
                   2169:         # prefetch several lines
                   2170:         @buf = head($filehandle);
                   2171:         my %d = scan_directives(@buf);
                   2172:         $ts = $d{tabstop};
                   2173:       }
                   2174:
                   2175:       while (@buf || !eof($filehandle)) {
                   2176:         $_ = @buf ? shift @buf : <$filehandle>;
3.167     scop     2177:         if ($linenumbers) {
                   2178:           $ln++;
                   2179:           printf '<a id="l%d" class="src">%5d: </a>', ($ln) x 2;
3.149     scop     2180:         }
3.200     scop     2181:         print $preformat_in_markup ? spacedHtmlText($_, $ts) : htmlquote($_);
3.148     scop     2182:       }
3.120     scop     2183:     }
3.149     scop     2184:
                   2185:     print "</pre>\n";
3.120     scop     2186:   }
3.131     scop     2187:   html_footer();
3.120     scop     2188: }
                   2189:
3.156     scop     2190:
3.120     scop     2191: sub viewable($)
                   2192: {
3.219     scop     2193:   return shift =~ m{^((text|image)/|application/pdf)}i;
3.156     scop     2194: }
3.120     scop     2195:
3.1       knu      2196:
                   2197: ###############################
                   2198: # Show Colored Diff
                   2199: ###############################
3.120     scop     2200: sub doDiff($$$$$$)
                   2201: {
                   2202:   my ($fullname, $r1, $tr1, $r2, $tr2, $f) = @_;
                   2203:
3.233     scop     2204:   if (forbidden($fullname)) {
                   2205:     fatal('403 Forbidden', 'Access to %s forbidden.', $where);
3.120     scop     2206:   }
                   2207:
3.175     scop     2208:   my ($rev1, $sym1);
3.120     scop     2209:   if ($r1 =~ /([^:]+)(:(.+))?/) {
                   2210:     $rev1 = $1;
                   2211:     $sym1 = $3;
                   2212:   }
                   2213:   if ($r1 eq 'text') {
                   2214:     $rev1 = $tr1;
                   2215:     $sym1 = "";
                   2216:   }
                   2217:
3.175     scop     2218:   my ($rev2, $sym2);
3.120     scop     2219:   if ($r2 =~ /([^:]+)(:(.+))?/) {
                   2220:     $rev2 = $1;
                   2221:     $sym2 = $3;
                   2222:   }
                   2223:   if ($r2 eq 'text') {
                   2224:     $rev2 = $tr2;
                   2225:     $sym2 = "";
                   2226:   }
                   2227:
                   2228:   #
                   2229:   # rev1 and rev2 are now both numeric revisions.
                   2230:   # Thus we do a DWIM here and swap them if rev1 is after rev2.
                   2231:   # XXX should we warn about the fact that we do this?
                   2232:   if (&revcmp($rev1, $rev2) > 0) {
                   2233:     my ($tmp1, $tmp2) = ($rev1, $sym1);
                   2234:     ($rev1, $sym1) = ($rev2, $sym2);
                   2235:     ($rev2, $sym2) = ($tmp1, $tmp2);
                   2236:   }
3.225     scop     2237:
                   2238:   my $mimetype = getMimeType($fullname);
                   2239:
                   2240:   #
                   2241:   #  Check for per-MIME type diff commands.
                   2242:   #
                   2243:   my $diffcmd = undef;
                   2244:   if (my $diffcmds = $DIFF_COMMANDS{lc($mimetype)}) {
                   2245:     if ($f =~ /^ext(\d*)$/) {
                   2246:       my $n = $1 || 0;
                   2247:       $diffcmd = $diffcmds->[$n];
                   2248:     }
                   2249:   }
                   2250:   if ($diffcmd && $diffcmd->{cmd} && $diffcmd->{name}) {
                   2251:
                   2252:     if ($diffcmd->{args} && ref($diffcmd->{args}) ne 'ARRAY') {
                   2253:       fatal('500 Internal Error',
                   2254:             'Configuration error: arguments to external diff tools must ' .
                   2255:             'be given as array refs.  See "<code>%s</code>" in ' .
                   2256:             '<code>%%DIFF_COMMANDS</code>.',
                   2257:             $diffcmd->{name});
                   2258:     }
                   2259:
                   2260:     (my $cvsname = $where) =~ s/\.diff$//;
                   2261:
                   2262:     # Create two temporary files with the two revisions
                   2263:     my $temp_fn1 = checkout_to_temp($cvsroot, $cvsname, $rev1);
                   2264:     my $temp_fn2 = checkout_to_temp($cvsroot, $cvsname, $rev2);
                   2265:
                   2266:     # Execute chosen diff binary.
                   2267:     local (*DIFF_OUT);
                   2268:     my @cmd = ($diffcmd->{cmd});
                   2269:     push(@cmd, @{$diffcmd->{args}}) if $diffcmd->{args};
                   2270:     push(@cmd, $temp_fn1, $temp_fn2);
                   2271:     my ($h, $err) = startproc(\@cmd, \"", '>pipe', \*DIFF_OUT);
                   2272:     if (!$h) {
                   2273:       unlink($temp_fn1);
                   2274:       unlink($temp_fn2);
                   2275:       fatal('500 Internal Error',
                   2276:             'Diff failure (exit status %s), output: <pre>%s</pre>',
                   2277:             $? >> 8 || -1, $err);
                   2278:     }
                   2279:
                   2280:     http_header($diffcmd->{type} || 'text/plain');
                   2281:     local $/ = undef;
                   2282:     print <DIFF_OUT>;
3.229     scop     2283:     $h->finish();
3.225     scop     2284:     unlink($temp_fn1);
                   2285:     unlink($temp_fn2);
                   2286:
                   2287:     exit;
                   2288:   }
                   2289:
                   2290:   #
                   2291:   # Normal CVS diff.
                   2292:   #
                   2293:
                   2294:   $f = $DEFAULTVALUE{f} || 'u' if ($f =~ /^ext\d*$/);
3.120     scop     2295:   my $difftype = $DIFFTYPES{$f};
                   2296:   if (!$difftype) {
                   2297:     fatal("400 Bad arguments", 'Diff format %s not understood', $f);
                   2298:   }
                   2299:
3.254     scop     2300:   my @difftype       = @{$difftype->{opts}};
                   2301:   my $human_readable = $difftype->{colored};
3.120     scop     2302:
3.247     scop     2303:   # Apply special diff options.  -p and -F are not available with side by side
                   2304:   # diffs and may cause problems with older (< 2.8) versions of diffutils if
                   2305:   # used with --side-by-side.
                   2306:   if ($showfunc && $f !~ /^s/) {
                   2307:     push(@difftype, '-p');
                   2308:     while (my ($re1, $re2) = each %funcline_regexp) {
3.222     scop     2309:       if ($fullname =~ $re1) {
3.247     scop     2310:         push(@difftype, '-F', $re2);
3.120     scop     2311:         last;
                   2312:       }
                   2313:     }
                   2314:   }
                   2315:
                   2316:   if ($human_readable) {
3.247     scop     2317:     push(@difftype, '-w')  if $hr_ignwhite;
                   2318:     push(@difftype, '-kk') if $hr_ignkeysubst;
3.120     scop     2319:   }
                   2320:
3.175     scop     2321:   my $fh = do { local (*FH); };
3.120     scop     2322:   if (!open($fh, "-|")) {    # child
                   2323:     open(STDERR, ">&STDOUT");    # Redirect stderr to stdout
                   2324:     openOutputFilter();
3.166     scop     2325:     exec($CMD{rcsdiff}, @rcsdiff_options, @difftype, "-r$rev1", "-r$rev2",
                   2326:          $fullname) or exit -1;
3.120     scop     2327:   }
3.166     scop     2328:
3.120     scop     2329:   if ($human_readable) {
3.168     scop     2330:     #
                   2331:     # Human readable diff.
                   2332:     #
                   2333:     human_readable_diff($fh, $rev2);
                   2334:     html_footer();
                   2335:     gzipclose();
                   2336:     exit;
                   2337:
                   2338:   } elsif ($f =~ /^([ucs])c$/) {
                   2339:     #
                   2340:     # Enscript colored diff.
                   2341:     #
                   2342:     my $hl = 'diff';
                   2343:     $hl .= $1 if ($1 eq 'u' || $1 eq 's');
                   2344:     (my $where_nd = $where)       =~ s/\.diff$//;
3.262     scop     2345:     (my $pathname = $where_nd)    =~ s|((?<=/)Attic/)?[^/]*$||;
3.168     scop     2346:     (my $filename = $where_nd)    =~ s|^.*/||;
                   2347:     (my $swhere   = $scriptwhere) =~ s|\.diff$||;
                   2348:     navigateHeader($swhere, $pathname, $filename, $rev2, 'diff');
                   2349:     printf(<<EOF, $where_nd, $rev1, $rev2);
                   2350: <h3 style="text-align: center">Diff for /%s between versions %s and %s</h3>
                   2351: <pre>
                   2352: EOF
3.240     scop     2353:     doEnscript(\$fh, $hl, 0, 'cvsweb_diff');
3.168     scop     2354:     print <<EOF;
                   2355: </pre>
3.208     scop     2356: <hr style="width: 100%" />
3.168     scop     2357: <form method="get" action="$scriptwhere">
                   2358: EOF
                   2359:     printDiffSelectStickyVars();
                   2360:     print 'Diff format: ';
                   2361:     printDiffSelect($use_java_script);
3.208     scop     2362:     print "<input type=\"submit\" value=\"Show\" />\n</form>\n";
3.120     scop     2363:     html_footer();
                   2364:     gzipclose();
                   2365:     exit;
3.168     scop     2366:
3.120     scop     2367:   } else {
3.168     scop     2368:     #
                   2369:     # Plain diff.
                   2370:     #
3.120     scop     2371:     http_header("text/plain");
                   2372:   }
                   2373:
                   2374:   #
                   2375:   #===================================================================
                   2376:   #RCS file: /home/ncvs/src/sys/netinet/tcp_output.c,v
                   2377:   #retrieving revision 1.16
                   2378:   #retrieving revision 1.17
                   2379:   #diff -c -r1.16 -r1.17
                   2380:   #*** /home/ncvs/src/sys/netinet/tcp_output.c     1995/11/03 22:08:08     1.16
                   2381:   #--- /home/ncvs/src/sys/netinet/tcp_output.c     1995/12/05 17:46:35     1.17
                   2382:   #
                   2383:   # Ideas:
                   2384:   # - nuke the stderr output if it's what we expect it to be
                   2385:   # - Add "no differences found" if the diff command supplied no output.
                   2386:   #
                   2387:   #*** src/sys/netinet/tcp_output.c     1995/11/03 22:08:08     1.16
                   2388:   #--- src/sys/netinet/tcp_output.c     1995/12/05 17:46:35     1.17 RELENG_2_1_0
                   2389:   # (bogus example, but...)
                   2390:   #
3.175     scop     2391:   my ($f1, $f2);
3.120     scop     2392:   if (grep { $_ eq '-u' } @difftype) {
                   2393:     $f1 = '---';
                   2394:     $f2 = '\+\+\+';
                   2395:   } else {
                   2396:     $f1 = '\*\*\*';
                   2397:     $f2 = '---';
                   2398:   }
                   2399:
                   2400:   while (<$fh>) {
                   2401:     if (m|^$f1 $cvsroot|o) {
                   2402:       s|$cvsroot/||o;
                   2403:       if ($sym1) {
                   2404:         chop;
                   2405:         $_ .= " $sym1\n";
                   2406:       }
                   2407:     } elsif (m|^$f2 $cvsroot|o) {
                   2408:       s|$cvsroot/||o;
                   2409:
                   2410:       if ($sym2) {
                   2411:         chop;
                   2412:         $_ .= " $sym2\n";
                   2413:       }
                   2414:     }
                   2415:     print $_;
                   2416:   }
                   2417:   close($fh);
1.12      fenner   2418: }
                   2419:
3.175     scop     2420:
3.1       knu      2421: ###############################
                   2422: # Show Logs ..
                   2423: ###############################
3.120     scop     2424: sub getDirLogs($$@)
                   2425: {
                   2426:   my ($cvsroot, $dirname, @otherFiles) = @_;
3.139     scop     2427:   my $tag = $input{only_with_tag};
3.196     scop     2428:   my $DirName = catdir($cvsroot, $where);
3.120     scop     2429:
3.139     scop     2430:   my @files = &safeglob("$DirName/*,v");
3.254     scop     2431:   push (@files, &safeglob("$DirName/Attic/*,v")) unless $input{hideattic};
3.120     scop     2432:   foreach my $file (@otherFiles) {
3.196     scop     2433:     push(@files, catfile($DirName, $file));
3.120     scop     2434:   }
                   2435:
3.150     scop     2436:   # Weed out unreadable files.
                   2437:   my $i = 0;
                   2438:   my @unreadable = ();
                   2439:   while ($i < scalar(@files)) {
3.197     scop     2440:     # Note: last modified files from subdirs returned by
                   2441:     # findLastModifiedSubdirs() come without the ,v suffix so they're not
                   2442:     # found here, but have already been checked for readability.  *cough*
                   2443:     if (-r $files[$i] || !-e _) {
3.150     scop     2444:       $i++;
                   2445:     } else {
                   2446:       push(@unreadable, splice(@files, $i, 1));
                   2447:     }
                   2448:   }
                   2449:
3.139     scop     2450:   # If there are no files, we're done.
3.150     scop     2451:   return @unreadable unless @files;
3.120     scop     2452:
3.139     scop     2453:   my @cmd = ($CMD{rlog});
                   2454:   # Can't use -r<tag> as '-' is allowed in tagnames,
                   2455:   # but misinterpreted by rlog.
                   2456:   push(@cmd, '-r') unless defined($tag);
3.120     scop     2457:
3.139     scop     2458:   my $fh = do { local (*FH); };
3.273     scop     2459:   if (!open($fh, '-|')) {                       # Child
                   2460:     open(STDERR, '>', devnull()) unless $DEBUG; # Ignore rlog's complaints.
3.139     scop     2461:     openOutputFilter();
                   2462:     if ($file_list_len && $file_list_len > 1) {
                   2463:       while (scalar(@files) > $file_list_len) {  # Process files in chunks.
                   2464:         system(@cmd, splice(@files, 0, $file_list_len)) == 0 or exit -1;
                   2465:       }
3.120     scop     2466:     }
3.139     scop     2467:     exec(@cmd, @files) or exit -1;
                   2468:   }
                   2469:   undef @cmd;
3.120     scop     2470:
3.139     scop     2471:   my $state = 'start';
                   2472:   my ($date, $branchpoint, $branch, $log, @filetags);
3.152     scop     2473:   my ($rev, $revision, $revwanted, $filename, $head, $author, $keywordsubst);
3.120     scop     2474:
                   2475:   while (<$fh>) {
                   2476:     if ($state eq "start") {
                   2477:
                   2478:       #Next file. Initialize file variables
                   2479:       $rev         = '';
                   2480:       $revwanted   = '';
                   2481:       $branch      = '';
                   2482:       $branchpoint = '';
                   2483:       $filename    = '';
                   2484:       $log         = '';
                   2485:       $revision    = '';
                   2486:       %symrev      = ();
                   2487:       @filetags    = ();
3.152     scop     2488:       $keywordsubst= '';
3.120     scop     2489:
                   2490:       #jump to head state
                   2491:       $state = "head";
                   2492:     }
3.144     scop     2493:
3.120     scop     2494:     again:
                   2495:
                   2496:     if ($state eq "head") {
                   2497:
                   2498:       #$rcsfile = $1 if (/^RCS file: (.+)$/); #not used (yet)
                   2499:
                   2500:       if (/^Working file: (.+)$/) {
                   2501:         $filename = $1;
                   2502:       } elsif (/^head: (.+)$/) {
                   2503:         $head = $1;
                   2504:       } elsif (/^branch: (.+)$/) {
                   2505:         $branch = $1;
3.152     scop     2506:       } elsif (/^keyword substitution: (.+)$/) {
                   2507:         $keywordsubst = $1;
3.120     scop     2508:       } elsif (/^symbolic names:/) {
                   2509:         $state = "tags";
                   2510:         ($branch = $head) =~ s/\.\d+$//
                   2511:           if $branch eq '';
                   2512:         $branch =~ s/(\d+)$/0.$1/;
                   2513:         $symrev{MAIN}  = $branch;
                   2514:         $symrev{HEAD}  = $branch;
                   2515:         $alltags{MAIN} = 1;
                   2516:         $alltags{HEAD} = 1;
                   2517:         push (@filetags, "MAIN", "HEAD");
3.222     scop     2518:       } elsif ($_ =~ LOG_REVSEPR) {
3.120     scop     2519:         $state = "log";
                   2520:         $rev   = '';
                   2521:         $date  = '';
                   2522:         $log   = '';
                   2523:
                   2524:         # Try to reconstruct the relative filename if RCS spits out a full path
                   2525:         $filename =~ s%^\Q$DirName\E/%%;
                   2526:       }
                   2527:       next;
                   2528:     }
                   2529:
                   2530:     if ($state eq "tags") {
                   2531:       if (/^\s+([^:]+):\s+([\d\.]+)\s*$/) {
                   2532:         push (@filetags, $1);
                   2533:         $symrev{$1}  = $2;
                   2534:         $alltags{$1} = 1;
                   2535:         next;
                   2536:       } elsif (/^\S/) {
                   2537:
                   2538:         if (defined($tag)) {
                   2539:           if (defined($symrev{$tag}) || $tag eq "HEAD") {
                   2540:             $revwanted    = $symrev{$tag eq "HEAD" ? "MAIN" : $tag};
                   2541:             ($branch      = $revwanted) =~ s/\b0\.//;
                   2542:             ($branchpoint = $branch)    =~ s/\.?\d+$//;
                   2543:             $revwanted    = '' if ($revwanted ne $branch);
                   2544:           } elsif ($tag ne "HEAD") {
                   2545:             $state = "skip";
                   2546:             next;
                   2547:           }
                   2548:         }
                   2549:
                   2550:         foreach my $tagfound (@filetags) {
                   2551:           $tags{$tagfound} = 1;
                   2552:         }
                   2553:         $state = "head";
                   2554:         goto again;
                   2555:       }
                   2556:     }
                   2557:
                   2558:     if ($state eq "log") {
3.222     scop     2559:       if ($_ =~ LOG_REVSEPR || $_ =~ LOG_FILESEPR) {
3.120     scop     2560:
                   2561:         # End of a log entry.
                   2562:         my $revbranch = $rev;
                   2563:         $revbranch =~ s/\.\d+$//;
                   2564:
                   2565:         if ($revwanted eq '' && $branch ne '' && $branch eq $revbranch
                   2566:             || !defined($tag))
                   2567:         {
                   2568:           $revwanted = $rev;
                   2569:         }
                   2570:
                   2571:         if ($revwanted ne ''
                   2572:             ? $rev eq $revwanted
                   2573:             : $branchpoint ne ''
                   2574:               ? $rev eq $branchpoint
                   2575:               : 0
                   2576:             && ($rev eq $head))
                   2577:         {    # Don't think head is needed here..
3.152     scop     2578:           my @finfo = ($rev, $date, $log, $author, $filename, $keywordsubst);
                   2579:           (my $name = $filename) =~ s%/.*%%;
3.120     scop     2580:           $fileinfo{$name} = [@finfo];
                   2581:           $state = "done" if ($rev eq $revwanted);
                   2582:         }
                   2583:         $rev  = '';
                   2584:         $date = '';
                   2585:         $log  = '';
                   2586:       } elsif ($date eq ''
                   2587:                && m|^date:\s+(\d+)/(\d+)/(\d+)\s+(\d+):(\d+):(\d+);|)
                   2588:       {
3.172     scop     2589:         my $yr    = $1;
                   2590:         $yr      -= 1900 if ($yr > 100); # Damn 2-digit year routines :-)
                   2591:         $date     = timegm($6, $5, $4, $3, $2 - 1, $yr);
3.120     scop     2592:         ($author) = /author: ([^;]+)/;
3.172     scop     2593:         $state    = 'log';
                   2594:         $log      = '';
3.120     scop     2595:         next;
                   2596:       } elsif ($rev eq '' && /^revision (\d+(?:\.\d+)+).*$/) {
                   2597:         $rev = $1;    # .*$ eats up the locker(lockers?) info, if any
                   2598:         next;
                   2599:       } else {
                   2600:         $log .= $_;
                   2601:       }
                   2602:     }
                   2603:
3.222     scop     2604:     if ($_ =~ LOG_FILESEPR) {
3.120     scop     2605:       $state = "start";
                   2606:       next;
                   2607:     }
                   2608:   }
                   2609:
3.139     scop     2610:   my $linesread = $. || 0;
                   2611:   close($fh);
                   2612:
                   2613:   if ($linesread == 0) {
3.137     scop     2614:     fatal('500 Internal Error',
3.230     scop     2615:           'Failed to spawn GNU rlog on <em>"%s"</em>.<br /><br />Did you set the <b><code>@command_path</code></b> in your configuration file correctly? (Currently: "<code>%s</code>")',
                   2616:           htmlquote(join(', ', @files)), join(':', @command_path));
3.120     scop     2617:   }
3.150     scop     2618:
                   2619:   return @unreadable;
3.120     scop     2620: }
                   2621:
3.175     scop     2622:
3.120     scop     2623: sub readLog($;$)
                   2624: {
                   2625:   my ($fullname, $revision) = @_;
                   2626:   my ($symnames, $head, $rev, $br, $brp, $branch, $branchrev);
                   2627:
                   2628:   undef %symrev;
                   2629:   undef %revsym;
                   2630:   undef @allrevisions;
                   2631:   undef %date;
                   2632:   undef %author;
                   2633:   undef %state;
                   2634:   undef %difflines;
                   2635:   undef %log;
3.152     scop     2636:   $keywordsubstitution = '';
3.120     scop     2637:
3.175     scop     2638:   my $fh = do { local (*FH); };
3.120     scop     2639:   if (!open($fh, "-|")) {    # child
3.275     scop     2640:     openOutputFilter();
                   2641:     $revision = defined($revision) ? "-r$revision" : '';
                   2642:     if ($revision =~ /\./) {
                   2643:       # Normal revision, not a branch/tag name.
3.120     scop     2644:       exec($CMD{rlog}, $revision, $fullname) or exit -1;
                   2645:     } else {
                   2646:       exec($CMD{rlog}, $fullname) or exit -1;
                   2647:     }
                   2648:   }
                   2649:
3.217     scop     2650:   my $curbranch = undef;
3.120     scop     2651:   while (<$fh>) {
                   2652:     if ($symnames) {
                   2653:       if (/^\s+([^:]+):\s+([\d\.]+)/) {
                   2654:         $symrev{$1} = $2;
3.152     scop     2655:         next;
3.120     scop     2656:       } else {
                   2657:         $symnames = 0;
                   2658:       }
3.152     scop     2659:     }
                   2660:     if (/^head:\s+([\d\.]+)/) {
3.120     scop     2661:       $head = $1;
                   2662:     } elsif (/^branch:\s+([\d\.]+)/) {
                   2663:       $curbranch = $1;
                   2664:     } elsif (/^symbolic names/) {
                   2665:       $symnames = 1;
3.152     scop     2666:     } elsif (/^keyword substitution: (.+)$/) {
                   2667:       $keywordsubstitution = $1;
3.120     scop     2668:     } elsif (/^-----/) {
                   2669:       last;
                   2670:     }
                   2671:   }
                   2672:   ($curbranch = $head) =~ s/\.\d+$// if (!defined($curbranch));
                   2673:
                   2674:   # each log entry is of the form:
                   2675:   # ----------------------------
                   2676:   # revision 3.7.1.1
                   2677:   # date: 1995/11/29 22:15:52;  author: fenner;  state: Exp;  lines: +5 -3
                   2678:   # log info
                   2679:   # ----------------------------
                   2680:
                   2681:   # For a locked revision, the first line after the separator
                   2682:   # becomes smth like
3.149     scop     2683:   # revision 9.19       locked by: vassilii;
3.120     scop     2684:
                   2685:   logentry:
                   2686:
3.222     scop     2687:   while ($_ !~ LOG_FILESEPR) {
3.120     scop     2688:     $_ = <$fh>;
                   2689:     last logentry if (!defined($_));    # EOF
                   2690:     if (/^revision (\d+(?:\.\d+)+)/) {
                   2691:       $rev = $1;
3.261     scop     2692:       unshift(@allrevisions, $rev);
3.222     scop     2693:     } elsif ($_ =~ LOG_FILESEPR || $_ =~ LOG_REVSEPR) {
3.120     scop     2694:       next logentry;
                   2695:     } else {
                   2696:
                   2697:       # The rlog output is syntactically ambiguous.  We must
                   2698:       # have guessed wrong about where the end of the last log
                   2699:       # message was.
                   2700:       # Since this is likely to happen when people put rlog output
                   2701:       # in their commit messages, don't even bother keeping
                   2702:       # these lines since we don't know what revision they go with
                   2703:       # any more.
                   2704:       next logentry;
                   2705:     }
                   2706:     $_ = <$fh>;
                   2707:     if (
                   2708:       m|^date:\s+(\d+)/(\d+)/(\d+)\s+(\d+):(\d+):(\d+);\s+author:\s+(\S+);\s+state:\s+(\S+);\s+(lines:\s+([0-9\s+-]+))?|
                   2709:       )
                   2710:     {
3.172     scop     2711:       my $yr           = $1;
                   2712:       $yr             -= 1900 if ($yr > 100); # Damn 2-digit year routines :-)
                   2713:       $date{$rev}      = timegm($6, $5, $4, $3, $2 - 1, $yr);
3.120     scop     2714:       $author{$rev}    = $7;
                   2715:       $state{$rev}     = $8;
                   2716:       $difflines{$rev} = $10;
                   2717:     } else {
                   2718:       fatal("500 Internal Error", 'Error parsing RCS output: %s', $_);
                   2719:     }
                   2720:
                   2721:   line:
                   2722:     while (<$fh>) {
                   2723:       next line if (/^branches:\s/);
3.222     scop     2724:       last line if ($_ =~ LOG_FILESEPR || $_ =~ LOG_REVSEPR);
3.120     scop     2725:       $log{$rev} .= $_;
                   2726:     }
                   2727:   }
                   2728:   close($fh);
                   2729:
                   2730:   @revorder = reverse sort { revcmp($a, $b) } @allrevisions;
                   2731:
                   2732:   #
                   2733:   # HEAD is an artificial tag which is simply the highest tag number on the main
                   2734:   # branch, unless there is a branch tag in the RCS file in which case it's the
                   2735:   # highest revision on that branch.  Find it by looking through @revorder; it
                   2736:   # is the first commit listed on the appropriate branch.
                   2737:   # This is not neccesary the same revision as marked as head in the RCS file.
                   2738:   my $headrev = $curbranch || "1";
3.254     scop     2739:   ($symrev{MAIN} = $headrev) =~ s/(\d+)$/0.$1/;
3.120     scop     2740:
                   2741:   foreach $rev (@revorder) {
                   2742:     if ($rev =~ /^(\S*)\.\d+$/ && $headrev eq $1) {
3.254     scop     2743:       $symrev{HEAD} = $rev;
3.120     scop     2744:       last;
                   2745:     }
                   2746:   }
3.254     scop     2747:   ($symrev{HEAD} = $headrev) =~ s/\.\d+$// unless defined($symrev{HEAD});
3.120     scop     2748:
                   2749:   #
                   2750:   # Now that we know all of the revision numbers, we can associate
                   2751:   # absolute revision numbers with all of the symbolic names, and
                   2752:   # pass them to the form so that the same association doesn't have
                   2753:   # to be built then.
                   2754:   #
                   2755:   undef @branchnames;
                   2756:   undef %branchpoint;
                   2757:   undef $sel;
                   2758:
                   2759:   foreach (reverse sort keys %symrev) {
                   2760:     $rev = $symrev{$_};
                   2761:     if ($rev =~ /^((.*)\.)?\b0\.(\d+)$/) {
                   2762:       push (@branchnames, $_);
                   2763:
                   2764:       #
                   2765:       # A revision number of A.B.0.D really translates into
                   2766:       # "the highest current revision on branch A.B.D".
                   2767:       #
                   2768:       # If there is no branch A.B.D, then it translates into
                   2769:       # the head A.B .
                   2770:       #
                   2771:       # This reasoning also applies to the main branch A.B,
                   2772:       # with the branch number 0.A, with the exception that
                   2773:       # it has no head to translate to if there is nothing on
                   2774:       # the branch, but I guess this can never happen?
                   2775:       #
                   2776:       # (the code below gracefully forgets about the branch
                   2777:       # if it should happen)
                   2778:       #
                   2779:       $head = defined($2) ? $2 : "";
                   2780:       $branch = $3;
                   2781:       $branchrev = $head . ($head ne "" ? "." : "") . $branch;
3.222     scop     2782:       $rev = $head;
                   2783:
                   2784:       my $regex = '^' . quotemeta($branchrev) . '\b';
                   2785:       $regex = qr/$regex/;
3.120     scop     2786:
                   2787:       foreach my $r (@revorder) {
3.222     scop     2788:         if ($r =~ $regex) {
3.120     scop     2789:           $rev = $branchrev;
                   2790:           last;
                   2791:         }
                   2792:       }
                   2793:       next if ($rev eq "");
                   2794:
                   2795:       if ($rev ne $head && $head ne "") {
3.131     scop     2796:         $branchpoint{$head} .= ', ' if ($branchpoint{$head});
3.120     scop     2797:         $branchpoint{$head} .= $_;
                   2798:       }
                   2799:     }
                   2800:     $revsym{$rev} .= ", " if ($revsym{$rev});
                   2801:     $revsym{$rev} .= $_;
3.136     scop     2802:     $sel .= sprintf("<option value=\"%s:%s\">%s</option>\n",
                   2803:                     htmlquote($rev), (htmlquote($_)) x 2);
3.120     scop     2804:   }
                   2805:
                   2806:   my ($onlyonbranch, $onlybranchpoint);
3.254     scop     2807:   if ($onlyonbranch = $input{only_with_tag}) {
3.120     scop     2808:     $onlyonbranch = $symrev{$onlyonbranch};
3.275     scop     2809:     if ($onlyonbranch && $onlyonbranch =~ s/\b0\.//) {
3.120     scop     2810:       ($onlybranchpoint = $onlyonbranch) =~ s/\.\d+$//;
                   2811:     } else {
                   2812:       $onlybranchpoint = $onlyonbranch;
                   2813:     }
                   2814:
                   2815:     if (!defined($onlyonbranch) || $onlybranchpoint eq "") {
3.275     scop     2816:       fatal("404 Tag not found", 'Tag "<code>%s</code>" is not defined.',
3.254     scop     2817:             $input{only_with_tag});
3.120     scop     2818:     }
                   2819:   }
                   2820:
                   2821:   undef @revisions;
                   2822:
                   2823:   foreach (@allrevisions) {
                   2824:     ($br  = $_)  =~ s/\.\d+$//;
                   2825:     ($brp = $br) =~ s/\.\d+$//;
                   2826:     next if ($onlyonbranch
                   2827:              && $br ne $onlyonbranch
                   2828:              && $_  ne $onlybranchpoint);
3.261     scop     2829:     unshift(@revisions, $_);
3.120     scop     2830:   }
                   2831:
                   2832:   if ($logsort eq "date") {
                   2833:
                   2834:     # Sort the revisions in commit order an secondary sort on revision
                   2835:     # (secondary sort needed for imported sources, or the first main
                   2836:     # revision gets before the same revision on the 1.1.1 branch)
                   2837:     @revdisplayorder =
                   2838:       sort { $date{$b} <=> $date{$a} || -revcmp($a, $b) } @revisions;
                   2839:   } elsif ($logsort eq "rev") {
                   2840:
                   2841:     # Sort the revisions in revision order, highest first
                   2842:     @revdisplayorder = reverse sort { revcmp($a, $b) } @revisions;
                   2843:   } else {
                   2844:
                   2845:     # No sorting. Present in the same order as rlog / cvs log
                   2846:     @revdisplayorder = @revisions;
                   2847:   }
                   2848:
3.217     scop     2849:   return $curbranch;
3.120     scop     2850: }
                   2851:
3.175     scop     2852:
3.225     scop     2853: sub getDiffLinks($$$)
3.120     scop     2854: {
3.225     scop     2855:   my ($url, $mimetype, $isbin) = @_;
                   2856:
                   2857:   my @links = ();
                   2858:   if (!$isbin) { # Offer ordinary diff only for non-binary files.
                   2859:     push(@links, &link('preferred', $url));
                   2860:     for my $difftype ($DIFFTYPES{$defaultDiffType}{colored} ? qw(u) : qw(h)) {
                   2861:       my $f = $difftype eq $defaultDiffType ? '' : $difftype;
                   2862:       push(@links,
                   2863:            &link(htmlquote(lc($DIFFTYPES{$difftype}{descr})), "$url;f=$f"));
                   2864:     }
                   2865:   }
                   2866:   if (my $extdiffs = $DIFF_COMMANDS{lc($mimetype)}) {
                   2867:     for my $i (0 .. scalar(@$extdiffs)-1) {
                   2868:       my $extdiff = $extdiffs->[$i];
                   2869:       push(@links, &link(htmlquote($extdiff->{name}), "$url;f=ext$i"))
                   2870:         if ($extdiff->{cmd} && $extdiff->{name});
                   2871:     }
3.120     scop     2872:   }
3.225     scop     2873:   return @links;
3.120     scop     2874: }
                   2875:
3.175     scop     2876:
3.219     scop     2877: sub printLog($$$;$$)
3.120     scop     2878: {
3.219     scop     2879:   # inlogview: 1 if in log view, otherwise in markup view.
                   2880:   ($_, my $mimetype, my $isbin, my $inlogview, my $isSelected) = @_;
3.175     scop     2881:   (my $br  = $_)  =~ s/\.\d+$//;
                   2882:   (my $brp = $br) =~ s/\.?\d+$//;
3.120     scop     2883:
3.219     scop     2884:   print "<a name=\"rev$_\"></a>";
                   2885:   if (defined($revsym{$_})) {
3.261     scop     2886:     foreach my $sym (split(", ", $revsym{$_})) {
3.271     scop     2887:       print '<a name="', htmlquote($sym), '"></a>';
3.120     scop     2888:     }
3.219     scop     2889:   }
                   2890:   if ($revsym{$br} && !defined($nameprinted{$br})) {
3.261     scop     2891:     foreach my $sym (split(", ", $revsym{$br})) {
3.271     scop     2892:       print '<a name="', htmlquote($sym), '"></a>';
3.120     scop     2893:     }
3.219     scop     2894:     $nameprinted{$br} = 1;
                   2895:   }
3.120     scop     2896:
3.271     scop     2897:   print "\n Revision <b>$_</b>";
3.219     scop     2898:   if (/^1\.1\.1\.\d+$/) {
                   2899:     print " <i>(vendor branch)</i>";
                   2900:   }
3.261     scop     2901:
3.271     scop     2902:   (my $filename = $where) =~ s|^.*/||;
                   2903:   my $fileurl   = uri_escape($filename);
                   2904:   undef $filename;
                   2905:
3.261     scop     2906:   my $isDead = ($state{$_} eq 'dead');
3.219     scop     2907:   if (!$isDead) {
3.261     scop     2908:
3.220     scop     2909:     print ': ', download_link($fileurl, $_, 'download', $mimetype);
3.219     scop     2910:
                   2911:     my @vlinks = ();
                   2912:     push(@vlinks, display_link($fileurl, $_, 'text', 'text/plain'))
                   2913:       unless $isbin;
                   2914:     push(@vlinks, display_link($fileurl, $_, 'markup', 'text/x-cvsweb-markup'))
                   2915:       if ($allow_markup && $inlogview && (!$isbin || viewable($mimetype)));
3.268     scop     2916:     if (!$isbin && $allow_annotate) {
3.219     scop     2917:       push(@vlinks,
                   2918:            &link('annotated',
3.271     scop     2919:                  sprintf('%s?annotate=%s%s', $fileurl, $_, $barequery)));
3.219     scop     2920:     }
                   2921:     print ' - view: ', join(', ', @vlinks) if @vlinks;
                   2922:     undef @vlinks;
                   2923:
3.243     scop     2924:     if (!$isbin && $allow_version_select) {
                   2925:       print ' - ';
                   2926:       if ($isSelected) {
                   2927:         print '<b>[selected&nbsp;for&nbsp;diffs]</b>';
                   2928:       } else {
                   2929:         print &link('select&nbsp;for&nbsp;diffs',
                   2930:                     sprintf('%s?r1=%s%s#rev%s',
3.271     scop     2931:                             $fileurl, $_, $barequery, $_));
3.120     scop     2932:       }
                   2933:     }
3.243     scop     2934:     print ' - ', graph_link('', 'revision graph')
                   2935:       if (!$inlogview && $allow_cvsgraph);
3.120     scop     2936:   }
3.219     scop     2937:   print "<br />\n";
3.120     scop     2938:
3.219     scop     2939:   print '<i>';
3.120     scop     2940:   if (defined @mytz) {
                   2941:     my ($est) = $mytz[(localtime($date{$_}))[8]];
3.219     scop     2942:     print scalar localtime($date{$_}), " $est</i> (";
3.120     scop     2943:   } else {
3.219     scop     2944:     print scalar gmtime($date{$_}), " UTC</i> (";
3.120     scop     2945:   }
3.136     scop     2946:   print readableTime(time() - $date{$_}, 1), ' ago)';
3.208     scop     2947:   print ' by <i>', htmlquote($author{$_}), "</i><br />\n";
3.136     scop     2948:
3.243     scop     2949:   printf("Branches: %s<br />\n", link_tags($revsym{$br})) if $revsym{$br};
                   2950:   printf("CVS tags: %s<br />\n", link_tags($revsym{$_}))  if $revsym{$_};
                   2951:   printf("Branch point for: %s<br />\n", link_tags($branchpoint{$_}))
                   2952:     if $branchpoint{$_};
3.120     scop     2953:
                   2954:   # Find the previous revision
3.175     scop     2955:   my $prev;
3.261     scop     2956:   my @prevrev = split(/\./, $_);
3.120     scop     2957:   do {
                   2958:     if (--$prevrev[$#prevrev] <= 0) {
                   2959:
                   2960:       # If it was X.Y.Z.1, just make it X.Y
                   2961:       pop (@prevrev);
                   2962:       pop (@prevrev);
                   2963:     }
                   2964:     $prev = join (".", @prevrev);
                   2965:   } until (defined($date{$prev}) || $prev eq "");
                   2966:
                   2967:   if ($isDead) {
3.219     scop     2968:     print "<b><i>FILE REMOVED</i></b><br />\n";
3.243     scop     2969:   } else {
3.120     scop     2970:     my %diffrev = ();
                   2971:     $diffrev{$_} = 1;
                   2972:     $diffrev{""} = 1;
                   2973:     my $diff = 'Diff';
3.219     scop     2974:     my $printed = 0;
3.120     scop     2975:
                   2976:     #
                   2977:     # Offer diff to previous revision
                   2978:     if ($prev) {
                   2979:       $diffrev{$prev} = 1;
                   2980:       my $url =
3.271     scop     2981:         sprintf('%s.diff?r1=%s;r2=%s%s', $fileurl, $prev, $_, $barequery);
3.225     scop     2982:       if (my @dlinks = getDiffLinks($url, $mimetype, $isbin)) {
                   2983:         print $diff, ' to previous ', $prev, ': ', join(', ', @dlinks);
                   2984:         $diff = ''; $printed = 1;
                   2985:       }
3.120     scop     2986:     }
                   2987:
                   2988:     #
                   2989:     # Plus, if it's on a branch, and it's not a vendor branch,
                   2990:     # offer a diff with the branch point.
                   2991:     if ($revsym{$brp}
                   2992:       && !/^1\.1\.1\.\d+$/
                   2993:       && !defined($diffrev{$brp}))
                   2994:     {
                   2995:       my $url =
3.271     scop     2996:         sprintf('%s.diff?r1=%s;r2=%s%s', $fileurl, $brp, $_, $barequery);
3.225     scop     2997:       if (my @dlinks = getDiffLinks($url, $mimetype, $isbin)) {
                   2998:         print $diff, ' to branchpoint ', $brp, ': ', join(', ', @dlinks);
                   2999:         $diff = ''; $printed = 1;
                   3000:       }
3.120     scop     3001:     }
                   3002:
                   3003:     #
                   3004:     # Plus, if it's on a branch, and it's not a vendor branch,
                   3005:     # offer to diff with the next revision of the higher branch.
                   3006:     # (e.g. change gets committed and then brought
                   3007:     # over to -stable)
                   3008:     if (/^\d+\.\d+\.\d+/ && !/^1\.1\.1\.\d+$/) {
                   3009:       my ($i, $nextmain);
                   3010:
                   3011:       for ($i = 0; $i < $#revorder && $revorder[$i] ne $_; $i++) {
                   3012:       }
3.261     scop     3013:       my @tmp2 = split(/\./, $_);
3.120     scop     3014:       for ($nextmain = ""; $i > 0; $i--) {
                   3015:         my $next = $revorder[$i - 1];
3.261     scop     3016:         my @tmp1 = split(/\./, $next);
3.120     scop     3017:
                   3018:         if (@tmp1 < @tmp2) {
                   3019:           $nextmain = $next;
                   3020:           last;
                   3021:         }
                   3022:
                   3023:         # Only the highest version on a branch should have
                   3024:         # a diff for the "next main".
                   3025:         last
                   3026:           if (@tmp1 - 1 <= @tmp2
                   3027:           && join (".", @tmp1[0 .. $#tmp1 - 1]) eq
                   3028:           join (".", @tmp2[0 .. $#tmp1 - 1]));
                   3029:       }
                   3030:
                   3031:       if (!defined($diffrev{$nextmain})) {
                   3032:         $diffrev{$nextmain} = 1;
3.203     scop     3033:         my $url = sprintf('%s.diff?r1=%s;r2=%s%s',
3.271     scop     3034:           $fileurl, $nextmain, $_, $barequery);
3.225     scop     3035:         if (my @dlinks = getDiffLinks($url, $mimetype, $isbin)) {
                   3036:           print $diff, ' next main ', $nextmain, ': ', join(', ', @dlinks);
                   3037:           $diff = ''; $printed = 1;
                   3038:         }
3.120     scop     3039:       }
                   3040:     }
                   3041:
                   3042:     # Plus if user has selected only r1, then present a link
                   3043:     # to make a diff to that revision
3.254     scop     3044:     if (defined($input{r1}) && !defined($diffrev{$input{r1}})) {
                   3045:       $diffrev{$input{r1}} = 1;
3.203     scop     3046:       my $url = sprintf('%s.diff?r1=%s;r2=%s%s',
3.271     scop     3047:         $fileurl, $input{r1}, $_, $barequery);
3.225     scop     3048:       if (my @dlinks = getDiffLinks($url, $mimetype, $isbin)) {
                   3049:         print $diff, ' to selected ', $input{r1}, ': ', join(', ', @dlinks);
                   3050:         $diff = ''; $printed = 1;
                   3051:       }
3.120     scop     3052:     }
                   3053:
3.219     scop     3054:     print "<br />\n" if $printed;
                   3055:   }
                   3056:
                   3057:   if ($prev ne "" && $difflines{$_}) {
                   3058:     printf "Changes since revision %s: %s lines<br />\n",
                   3059:       htmlquote($prev), htmlquote($difflines{$_});
3.120     scop     3060:   }
3.189     scop     3061:
3.219     scop     3062:   print "<pre class=\"log\">\n";
3.120     scop     3063:   print &htmlify($log{$_}, $allow_log_extra);
                   3064:   print "</pre>\n";
                   3065: }
                   3066:
3.175     scop     3067:
3.132     scop     3068: #
                   3069: # Generates the HTML view for CvsGraph.
                   3070: #
3.170     scop     3071: sub doGraphView()
3.132     scop     3072: {
                   3073:   (my $pathname = $where) =~ s|[^/]*$||;
                   3074:   (my $filename = $where) =~ s|^.*/||;
                   3075:
3.170     scop     3076:   navigateHeader($scriptwhere, $pathname, $filename, undef, 'graph');
3.132     scop     3077:
3.146     scop     3078:   my $title = 'Revision graph of ' . htmlquote($pathname . $filename);
3.132     scop     3079:   my $mapname = 'CvsGraphMap';
                   3080:
3.170     scop     3081:   printf(<<EOF, $title, $mapname, $cvstree, $title);
3.146     scop     3082: <h3 style="text-align: center">%s</h3>
3.219     scop     3083: <div style="text-align: center"><img border="0" usemap="#%s" src="?cvsroot=%s;graph=1;makeimage=1" alt="%s" />
3.146     scop     3084: EOF
3.132     scop     3085:
3.255     scop     3086:   # Remove any pre-existing tag/branch names from branch links.
3.271     scop     3087:   (my $notag_query = $barequery) =~ s/;+only_with_tag=.*?(?=;|$)//g;
3.255     scop     3088:
3.135     scop     3089:   my @graph_cmd =
                   3090:     ($CMD{cvsgraph},
                   3091:      '-r', $cvsroot,
3.249     scop     3092:      '-m', $pathname,
3.135     scop     3093:      '-i',
                   3094:      '-M', $mapname,
3.208     scop     3095:      '-x', 'x',
3.271     scop     3096:      "-Omap_branch_href=\"href=\\\"./?only_with_tag=%(%t%)$notag_query\\\"\"",
                   3097:      "-Omap_rev_href=\"href=\\\"?rev=%(%R%)$barequery\\\"\"",
3.146     scop     3098:      "-Omap_diff_href=\"href=\\\"%(%F%).diff" .
3.271     scop     3099:      "?r1=%(%P%);r2=%(%R%)$barequery\\\"\"",
3.135     scop     3100:      );
3.132     scop     3101:   push(@graph_cmd, '-c', $cvsgraph_config) if $cvsgraph_config;
3.249     scop     3102:   push(@graph_cmd, $filename . ',v');
3.132     scop     3103:
3.174     scop     3104:   local *CVSGRAPH_OUT;
                   3105:   my ($h, $err) =
3.229     scop     3106:     startproc(\@graph_cmd, \"", '>pipe', \*CVSGRAPH_OUT);
3.174     scop     3107:   fatal('500 Internal Error', $err) unless $h;
3.242     scop     3108:
                   3109:   # Browser compatibility kludge: many browsers do not support client side
                   3110:   # image maps where the <map> element contains only the id attribute.  Let's
                   3111:   # add the corresponding name attribute to it on the fly.
                   3112:   while (<CVSGRAPH_OUT>) {
                   3113:     s/(<map\s+id="([^"]+)")\s*>/$1 name="$2">/;
                   3114:     print;
3.132     scop     3115:   }
3.242     scop     3116:
3.229     scop     3117:   $h->finish();
3.219     scop     3118:   print "</div>\n";
3.132     scop     3119:
                   3120:   html_footer();
                   3121: }
                   3122:
3.175     scop     3123:
3.132     scop     3124: #
                   3125: # Generates a graph using CvsGraph.
                   3126: #
3.170     scop     3127: sub doGraph()
3.132     scop     3128: {
                   3129:   (my $pathname = $where) =~ s|[^/]*$||;
                   3130:   (my $filename = $where) =~ s|^.*/||;
                   3131:
                   3132:   http_header('image/png');
                   3133:
3.249     scop     3134:   my @graph_cmd = ($CMD{cvsgraph}, '-r', $cvsroot, '-m', $pathname);
3.132     scop     3135:   push(@graph_cmd, '-c', $cvsgraph_config) if $cvsgraph_config;
3.249     scop     3136:   push(@graph_cmd, $filename . ',v');
3.132     scop     3137:
3.174     scop     3138:   local *CVSGRAPH_OUT;
                   3139:   my ($h, $err) =
3.229     scop     3140:     startproc(\@graph_cmd, \"", '>pipe', \*CVSGRAPH_OUT);
3.174     scop     3141:   fatal('500 Internal Error', $err) unless $h;
3.132     scop     3142:   {
                   3143:     local $/ = undef;
                   3144:     binmode(\*STDOUT);
3.174     scop     3145:     print <CVSGRAPH_OUT>;
3.132     scop     3146:   }
3.229     scop     3147:   $h->finish();
3.132     scop     3148: }
                   3149:
                   3150:
3.120     scop     3151: sub doLog($)
                   3152: {
                   3153:   my ($fullname) = @_;
                   3154:
3.217     scop     3155:   my $curbranch = readLog($fullname);
3.120     scop     3156:
                   3157:   html_header("CVS log for $where");
3.144     scop     3158:
3.271     scop     3159:   my $upwhere = $where;
3.144     scop     3160:   (my $filename = $where) =~ s|^.*/||;
3.271     scop     3161:   my $backurl = "./$query#" . uri_escape($filename);
                   3162:   if ($where =~ m|^(.*?)((?<=/)Attic/)?[^/]+$|) {
                   3163:     $upwhere = $1;
                   3164:     $backurl = ".$backurl" if $2; # skip over Attic
                   3165:   }
3.144     scop     3166:
3.219     scop     3167:   my $isbin = $keywordsubstitution =~ /b/;
                   3168:   my $mimetype = getMimeType($filename, $isbin);
                   3169:
3.120     scop     3170:   print "<p>\n ";
3.271     scop     3171:   print &link($backicon, $backurl), " <b>Up to ",
3.120     scop     3172:     &clickablePath($upwhere, 1), "</b>\n</p>\n";
                   3173:   print "<p>\n ";
                   3174:   print &link('Request diff between arbitrary revisions', '#diff');
3.268     scop     3175:   print ' - ', &graph_link('', 'Display revisions graphically')
                   3176:     if $allow_cvsgraph;
3.258     scop     3177:   if ($cvshistory_url) {
                   3178:     (my $d = $upwhere) =~ s|/+$||;
                   3179:     print ' - ', history_link($d, $filename);
                   3180:   }
3.208     scop     3181:   print "\n</p>\n<hr />\n";
3.120     scop     3182:
                   3183:   print "<p>\n";
3.152     scop     3184:
3.219     scop     3185:   my $explain = $isbin ? ' (i.e.: CVS considers this a binary file)' : '';
3.208     scop     3186:   print "Keyword substitution: $keywordsubstitution$explain<br />\n";
3.217     scop     3187:   if ($curbranch) {
                   3188:     print "Default branch: ", ($revsym{$curbranch} || $curbranch);
                   3189:   } else {
                   3190:     print "No default branch";
                   3191:   }
3.208     scop     3192:   print "<br />\n";
3.120     scop     3193:
3.208     scop     3194:   print 'Current tag: ', htmlquote($input{only_with_tag}), "<br />\n"
3.153     scop     3195:     if $input{only_with_tag};
3.120     scop     3196:   print "</p>\n";
                   3197:
                   3198:   undef %nameprinted;
                   3199:
3.182     scop     3200:   for my $r (@revdisplayorder) {
3.208     scop     3201:     print "<hr />\n";
3.182     scop     3202:     my $sel = (defined($input{r1}) && $input{r1} eq $r);
                   3203:     print "<div class=\"diff-selected\">\n" if $sel;
3.219     scop     3204:     printLog($r, $mimetype, $isbin, 1, $sel);
3.182     scop     3205:     print "</div>\n" if $sel;
3.120     scop     3206:   }
                   3207:
3.144     scop     3208:   printf(<<EOF, $scriptwhere);
3.208     scop     3209: <hr />
                   3210: <form method="get" action="%s.diff" id="diff_select">
3.189     scop     3211: <fieldset>
                   3212: <legend>Diff request</legend>
3.144     scop     3213: <p>
                   3214:  <a name="diff">
3.189     scop     3215:   This form allows you to request diffs between any two revisions of a file.
3.144     scop     3216:   You may select a symbolic revision name using the selection box or you may
                   3217:   type in a numeric name using the type-in text box.
                   3218:  </a>
                   3219: </p>
                   3220: EOF
3.120     scop     3221:
                   3222:   foreach (@stickyvars) {
3.208     scop     3223:     printf("<input type=\"hidden\" name=\"%s\" value=\"%s\" />\n",
3.154     scop     3224:            $_, htmlquote($input{$_}))
3.194     scop     3225:       if (defined($input{$_}) &&
                   3226:           (!defined($DEFAULTVALUE{$_}) || $input{$_} ne $DEFAULTVALUE{$_}));
3.120     scop     3227:   }
3.144     scop     3228:
                   3229:   print <<EOF;
3.189     scop     3230: <table summary="Diff between arbitrary revisions">
3.144     scop     3231: <tr>
3.189     scop     3232: <td class="opt-label">
                   3233: <label for="r1" accesskey="1">Diffs between</label>
                   3234: </td>
                   3235: <td class="opt-value">
3.144     scop     3236: <select id="r1" name="r1">
3.208     scop     3237: <option value="text" selected="selected">Use Text Field</option>
3.144     scop     3238: EOF
                   3239:   print $sel, "</select>\n";
                   3240:
                   3241:   my $diffrev = defined($input{r1}) ?
                   3242:     $input{r1} : $revdisplayorder[$#revdisplayorder];
                   3243:
                   3244:   printf(<<EOF, $inputTextSize, $diffrev);
3.208     scop     3245: <input type="text" size="%s" name="tr1" value="%s" onchange="this.form.r1.selectedIndex=0" />
3.144     scop     3246: </td>
3.189     scop     3247: <td></td>
                   3248: </tr>
                   3249: <tr>
                   3250: <td class="opt-label">
                   3251: <label for="r2" accesskey="2">and</label>
                   3252: </td>
                   3253: <td class="opt-value">
3.144     scop     3254: <select id="r2" name="r2">
3.208     scop     3255: <option value="text" selected="selected">Use Text Field</option>
3.144     scop     3256: EOF
                   3257:   print $sel, "</select>\n";
                   3258:
                   3259:   $diffrev = defined($input{r2}) ? $input{r2} : $revdisplayorder[0];
                   3260:
                   3261:   printf(<<EOF, $inputTextSize, $diffrev, $scriptwhere);
3.208     scop     3262: <input type="text" size="%s" name="tr2" value="%s" onchange="this.form.r2.selectedIndex=0" />
3.144     scop     3263: </td>
3.208     scop     3264: <td><input type="submit" value="Get Diffs" accesskey="G" /></td>
3.144     scop     3265: </tr>
                   3266: </table>
3.189     scop     3267: </fieldset>
3.144     scop     3268: </form>
                   3269: <form method="get" action="%s">
3.189     scop     3270: <fieldset>
                   3271: <legend>Log view options</legend>
                   3272: <table summary="Log view options">
3.144     scop     3273: <tr>
3.189     scop     3274: <td class="opt-label">
                   3275: <label for="f" accesskey="D">Preferred diff type:</label>
                   3276: </td>
                   3277: <td class="opt-value">
3.144     scop     3278: EOF
3.120     scop     3279:   printDiffSelect($use_java_script);
3.144     scop     3280:   print <<EOF;
3.189     scop     3281: </td>
                   3282: <td></td>
3.144     scop     3283: </tr>
                   3284: EOF
3.120     scop     3285:
                   3286:   if (@branchnames) {
3.144     scop     3287:
                   3288:     printf(<<EOF, $use_java_script ? ' onchange="this.form.submit()"' : '');
                   3289: <tr>
3.189     scop     3290: <td class="opt-label">
3.188     scop     3291: <label for="only_with_tag" accesskey="B">View only branch:</label>
3.189     scop     3292: </td>
                   3293: <td class="opt-value">
                   3294: <a name="branch">
3.144     scop     3295: <select id="only_with_tag" name="only_with_tag"%s>
                   3296: EOF
3.120     scop     3297:
3.193     scop     3298:     my @tmp = ();
                   3299:     my $selfound = 0;
3.120     scop     3300:     foreach (reverse sort @branchnames) {
3.136     scop     3301:       my $selected =
3.254     scop     3302:         (defined($input{only_with_tag}) && $input{only_with_tag} eq $_);
3.193     scop     3303:       $selfound ||= $selected;
                   3304:       push(@tmp, sprintf('<option%s>%s</option>',
3.208     scop     3305:                          $selected ? ' selected="selected"' : '',
3.193     scop     3306:                          htmlquote($_)));
3.120     scop     3307:     }
3.193     scop     3308:     printf("<option value=\"\"%s>Show all branches</option>\n",
3.208     scop     3309:            $selfound ? '' : ' selected="selected"');
3.193     scop     3310:     print join("\n", @tmp);
                   3311:
3.144     scop     3312:     print <<EOF
                   3313: </select>
3.189     scop     3314: </a>
3.144     scop     3315: </td>
                   3316: <td></td>
                   3317: </tr>
                   3318: EOF
3.120     scop     3319:   }
                   3320:
3.144     scop     3321:   print <<EOF;
3.189     scop     3322: <tr>
                   3323: <td class="opt-label">
                   3324: <label for="logsort" accesskey="L">Sort log by:</label>
                   3325: </td>
                   3326: <td>
3.144     scop     3327: EOF
3.120     scop     3328:   printLogSortSelect($use_java_script);
3.144     scop     3329:   print <<EOF;
3.189     scop     3330: </td>
3.208     scop     3331: <td><input type="submit" value="Set" accesskey="S" /></td>
3.189     scop     3332: </tr>
3.144     scop     3333: </table>
                   3334: EOF
3.154     scop     3335:   foreach (@stickyvars) {
                   3336:     next if ($_ eq "f");
                   3337:     next if ($_ eq "only_with_tag");
                   3338:     next if ($_ eq "logsort");
3.208     scop     3339:     printf("<input type=\"hidden\" name=\"$_\" value=\"%s\" />\n",
3.154     scop     3340:            htmlquote($input{$_}))
                   3341:       if (defined($input{$_})
3.194     scop     3342:           && (!defined($DEFAULTVALUE{$_}) || $input{$_} ne $DEFAULTVALUE{$_}));
3.154     scop     3343:   }
3.189     scop     3344:   print "</fieldset>\n</form>\n";
3.120     scop     3345:   html_footer();
                   3346: }
                   3347:
3.175     scop     3348:
3.120     scop     3349: sub flush_diff_rows($$$$)
                   3350: {
                   3351:   my ($leftColRef, $rightColRef, $leftRow, $rightRow) = @_;
                   3352:
3.175     scop     3353:   return unless defined($state);
3.120     scop     3354:
                   3355:   if ($state eq "PreChangeRemove") {    # we just got remove-lines before
3.133     scop     3356:     for (my $j = 0; $j < $leftRow; $j++) {
3.256     scop     3357:       printf(<<EOF, spacedHtmlText(@$leftColRef[$j]));
3.144     scop     3358: <tr>
3.260     scop     3359:  <td class="diff diff-removed">&nbsp;%s</td>
                   3360:  <td class="diff diff-empty">&nbsp;</td>
3.144     scop     3361: </tr>
                   3362: EOF
3.120     scop     3363:     }
                   3364:   } elsif ($state eq "PreChange") {     # state eq "PreChange"
                   3365:                                         # we got removes with subsequent adds
3.222     scop     3366:     if (HAS_EDIFF) {
3.176     scop     3367:       # construct the suffix tree
                   3368:       my $left_diff = join("\n", @$leftColRef[0..$leftRow-1]);
                   3369:       my $right_diff = join("\n", @$rightColRef[0..$rightRow-1]);
                   3370:       my $diff_str = String::Ediff::ediff($left_diff, $right_diff);
                   3371:
                   3372:       my @diff_str = split(/ /, $diff_str);
                   3373:       my $INFINITY = 10000000;
                   3374:       push(@diff_str, ($INFINITY) x 8);
                   3375:       my ($idx, $b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2) =
                   3376:         (0, @diff_str[0..7]);
                   3377:       my ($l_cul, $r_cul) = (0, 0);
                   3378:       my ($ldx, $rdx) = (0, 0);
                   3379:       my (@left_html, @right_html);
                   3380:       for (my $j = 0; $j < $leftRow; $j++) {
                   3381:         my $line_len = length(@$leftColRef[$j]);
                   3382:         my $line = @$leftColRef[$j];
                   3383:         $l_cul += length($line) + 1; # includes "\n"
                   3384:         my $l_culx = $l_cul - 1; # not includes "\n"
                   3385:         if ($j < $lb1) {
                   3386:           $line = spacedHtmlText($line);
3.260     scop     3387:           push(@left_html, "<td class=\"diff diff-changed\">$line</td>");
3.176     scop     3388:         } elsif ($lb1 == $j) {
                   3389:           my $html_line;
                   3390:           while ($lb1 == $j) {
                   3391:             my $begin_char = $l_culx - $b1;
                   3392:
                   3393:             $line =~ /^(.*)(.{$begin_char})$/;
                   3394:             $html_line .= spacedHtmlText($1) .
3.260     scop     3395:               '</span><span class="diff diff-unchanged">';
3.176     scop     3396:             $line = $2;
                   3397:             last if ($j != $le1);
                   3398:
                   3399:             my $end_char = $l_culx - $e1;
                   3400:             $line =~ /^(.*)(.{$end_char})$/;
                   3401:             $html_line .= spacedHtmlText($1) .
3.260     scop     3402:               '</span><span class="diff diff-changed">';
3.176     scop     3403:             $line = $2;
                   3404:
                   3405:             $idx++;
                   3406:             my ($tb1, $te1, $tlb1, $tle1, $tb2, $te2, $tlb2, $tle2) =
                   3407:               ($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2);
                   3408:             ($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2) =
                   3409:               @diff_str[$idx*8..($idx+1)*8-1];
                   3410:             $lb1 = $INFINITY if ($lb1 < 0);
                   3411:             $lb2 = $INFINITY if ($lb2 < 0);
                   3412:             $le1 = $INFINITY if ($le1 < 0);
                   3413:             $le2 = $INFINITY if ($le2 < 0);
                   3414:             if ($te1 > $b1) {
                   3415:               ($b1, $lb1) = ($te1, $tle1);
                   3416:             }
                   3417:             if ($te2 > $b2) {
                   3418:               ($b2, $lb2) = ($te2, $tle2);
                   3419:             }
                   3420:           }
                   3421:           push(@left_html,
3.260     scop     3422:                sprintf('<td><span class="diff diff-changed">%s%s</span></td>',
                   3423:                        $html_line, spacedHtmlText($line)));
3.176     scop     3424:         } elsif ($le1 == $j) {
                   3425:           my $html_line;
                   3426:           while ($le1 == $j) {
                   3427:             my $end_char = $l_culx - $e1;
                   3428:             $line =~ /^(.*)(.{$end_char})$/;
                   3429:             $html_line .= spacedHtmlText($1) .
3.260     scop     3430:               '</span><span class="diff diff-changed">';
3.176     scop     3431:             $line = $2;
                   3432:
                   3433:             $idx++;
                   3434:             my ($tb1, $te1, $tlb1, $tle1, $tb2, $te2, $tlb2, $tle2) =
                   3435:               ($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2);
                   3436:             ($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2) =
                   3437:               @diff_str[$idx*8..($idx+1)*8-1];
                   3438:             $lb1 = $INFINITY if ($lb1 < 0);
                   3439:             $lb2 = $INFINITY if ($lb2 < 0);
                   3440:             $le1 = $INFINITY if ($le1 < 0);
                   3441:             $le2 = $INFINITY if ($le2 < 0);
                   3442:             if ($te1 > $b1) {
                   3443:               ($b1, $lb1) = ($te1, $tle1);
                   3444:             }
                   3445:             if ($te2 > $b2) {
                   3446:               ($b2, $lb2) = ($te2, $tle2);
                   3447:             }
                   3448:
                   3449:             last if ($lb1 != $j);
                   3450:
                   3451:             my $begin_char = $l_culx - $b1;
                   3452:
                   3453:             $line =~ /^(.*)(.{$begin_char})$/;
                   3454:             $html_line .= spacedHtmlText($1) .
3.260     scop     3455:               '</span><span class="diff diff-unchanged">';
3.176     scop     3456:             $line = $2;
                   3457:           }
                   3458:           push(@left_html,
3.260     scop     3459:               sprintf('<td><span class="diff diff-unchanged">%s%s</span></td>',
                   3460:                       $html_line, spacedHtmlText($line)));
3.176     scop     3461:         } else {
                   3462:           $line = spacedHtmlText($line);
3.260     scop     3463:           push(@left_html, "<td class=\"diff diff-unchanged\">$line</td>");
3.176     scop     3464:         }
                   3465:       }
                   3466:       ($idx, $b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2) =
                   3467:         (0, @diff_str[0..7]);
                   3468:       $lb1 = $INFINITY if ($lb1 < 0);
                   3469:       $lb2 = $INFINITY if ($lb2 < 0);
                   3470:       $le1 = $INFINITY if ($le1 < 0);
                   3471:       $le2 = $INFINITY if ($le2 < 0);
                   3472:       for (my $j = 0; $j < $rightRow; $j++) {
                   3473:         my $line_len = length(@$rightColRef[$j]);
                   3474:         my $line = @$rightColRef[$j];
                   3475:         $r_cul += length($line) + 1; # includes "\n"
                   3476:         my $r_culx = $r_cul - 1; # not includes "\n"
                   3477:         if ($j < $lb2) {
                   3478:           $line = spacedHtmlText($line);
3.260     scop     3479:           push(@right_html, "<td class=\"diff diff-changed\">$line</td>");
3.176     scop     3480:         } elsif ($lb2 == $j) {
                   3481:           my $html_line;
                   3482:           while ($lb2 == $j) {
                   3483:             my $begin_char = $r_culx - $b2;
                   3484:
                   3485:             $line =~ /^(.*)(.{$begin_char})$/;
                   3486:             $html_line .= spacedHtmlText($1) .
3.260     scop     3487:               '</span><span class="diff diff-unchanged">';
3.176     scop     3488:             $line = $2;
                   3489:
                   3490:             last if ($j != $le2);
                   3491:
                   3492:             my $end_char = $r_culx - $e2;
                   3493:             $line =~ /^(.*)(.{$end_char})$/;
                   3494:             $html_line .= spacedHtmlText($1) .
3.260     scop     3495:               '</span><span class="diff diff-changed">';
3.176     scop     3496:             $line = $2;
                   3497:
                   3498:             $idx++;
                   3499:             my ($tb1, $te1, $tlb1, $tle1, $tb2, $te2, $tlb2, $tle2) =
                   3500:               ($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2);
                   3501:             ($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2) =
                   3502:               @diff_str[$idx*8..($idx+1)*8-1];
                   3503:             $lb1 = $INFINITY if ($lb1 < 0);
                   3504:             $lb2 = $INFINITY if ($lb2 < 0);
                   3505:             $le1 = $INFINITY if ($le1 < 0);
                   3506:             $le2 = $INFINITY if ($le2 < 0);
                   3507:             if ($te1 > $b1) {
                   3508:               ($b1, $lb1) = ($te1, $tle1);
                   3509:             }
                   3510:             if ($te2 > $b2) {
                   3511:               ($b2, $lb2) = ($te2, $tle2);
                   3512:             }
                   3513:           }
                   3514:           push(@right_html,
3.260     scop     3515:                sprintf('<td><span class="diff diff-changed">%s%s</span></td>',
                   3516:                        $html_line, spacedHtmlText($line)));
3.176     scop     3517:         } elsif ($le2 == $j) {
                   3518:           my $html_line;
                   3519:           while ($le2 == $j) {
                   3520:             my $end_char = $r_culx - $e2;
                   3521:             $line =~ /^(.*)(.{$end_char})$/;
                   3522:             $html_line .= spacedHtmlText($1) .
3.260     scop     3523:               '</span><span class="diff diff-changed">';
3.176     scop     3524:             $line = $2;
                   3525:
                   3526:             $idx++;
                   3527:             my ($tb1, $te1, $tlb1, $tle1, $tb2, $te2, $tlb2, $tle2) =
                   3528:               ($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2);
                   3529:             ($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2) =
                   3530:               @diff_str[$idx*8..($idx+1)*8-1];
                   3531:             $lb1 = $INFINITY if ($lb1 < 0);
                   3532:             $lb2 = $INFINITY if ($lb2 < 0);
                   3533:             $le1 = $INFINITY if ($le1 < 0);
                   3534:             $le2 = $INFINITY if ($le2 < 0);
                   3535:             if ($te1 > $b1) {
                   3536:               ($b1, $lb1) = ($te1, $tle1);
                   3537:             }
                   3538:             if ($te2 > $b2) {
                   3539:               ($b2, $lb2) = ($te2, $tle2);
                   3540:             }
                   3541:
                   3542:             last if ($lb2 != $j);
                   3543:
                   3544:             my $begin_char = $r_culx - $b2;
                   3545:             $line =~ /^(.*)(.{$begin_char})$/;
                   3546:             $html_line .= spacedHtmlText($1) .
3.260     scop     3547:               '</span><span class="diff diff-unchanged">';
3.176     scop     3548:             $line = $2;
                   3549:           }
                   3550:           push(@right_html,
3.260     scop     3551:                sprintf('<td nowrap="nowrap"><span class="diff diff-unchanged"'.
                   3552:                        '>%s%s</span></td>',
                   3553:                        $html_line, spacedHtmlText($line)));
3.176     scop     3554:         } else {
                   3555:           $line = spacedHtmlText ($line);
3.260     scop     3556:           push @right_html, "<td class=\"diff diff-unchanged\">$line</td>";
3.176     scop     3557:         }
                   3558:       }
                   3559:       for (my $j = 0; $j < $leftRow || $j < $rightRow ; $j++) { # dump out both cols
                   3560:         print  '<tr>';
                   3561:         if ($j < $leftRow) {
                   3562:           print $left_html[$j];
                   3563:         } else {
3.260     scop     3564:           print '<td class="diff diff-changed-missing">&nbsp;</td>';
3.176     scop     3565:         }
                   3566:         if ($j < $rightRow) {
                   3567:           print $right_html[$j];
                   3568:         } else {
3.260     scop     3569:           print '<td class="diff diff-changed-missing">&nbsp;</td>';
3.176     scop     3570:         }
                   3571:         print "</tr>\n";
3.120     scop     3572:       }
3.176     scop     3573:     } else {
                   3574:       for (my $j = 0; $j < $leftRow || $j < $rightRow; $j++) { # dump both cols
                   3575:         print "<tr>\n";
                   3576:         if ($j < $leftRow) {
3.260     scop     3577:           print '<td class="diff diff-changed">&nbsp;' .
3.176     scop     3578:             spacedHtmlText(@$leftColRef[$j]) . '</td>';
                   3579:         } else {
3.260     scop     3580:           print '<td class="diff diff-changed-missing">&nbsp;</td>';
3.176     scop     3581:         }
                   3582:         print "\n";
3.120     scop     3583:
3.176     scop     3584:         if ($j < $rightRow) {
3.260     scop     3585:           print '<td class="diff diff-changed">&nbsp;' .
3.176     scop     3586:             spacedHtmlText(@$rightColRef[$j]) . '</td>';
                   3587:         } else {
3.260     scop     3588:           print '<td class="diff diff-changed-missing">&nbsp;</td>';
3.176     scop     3589:         }
                   3590:         print "\n</tr>\n";
3.120     scop     3591:       }
                   3592:     }
                   3593:   }
3.1       knu      3594: }
                   3595:
3.175     scop     3596:
3.263     scop     3597: #
                   3598: # Generates "human readable", HTMLified diffs.
                   3599: #
3.144     scop     3600: sub human_readable_diff($$)
3.120     scop     3601: {
                   3602:   my ($fh, $rev) = @_;
3.144     scop     3603:
3.169     scop     3604:   (my $where_nd       = $where)       =~ s|\.diff$||;
                   3605:   (my $filename       = $where_nd)    =~ s|^.*/||;
3.262     scop     3606:   (my $pathname       = $where_nd)    =~ s|((?<=/)Attic/)?[^/]*$||;
3.169     scop     3607:   (my $scriptwhere_nd = $scriptwhere) =~ s|\.diff$||;
3.120     scop     3608:
3.133     scop     3609:   navigateHeader($scriptwhere_nd, $pathname, $filename, $rev, 'diff');
3.120     scop     3610:
3.178     scop     3611:   # Read header to pick up read revision and date, if possible.
                   3612:
                   3613:   my ($r1d, $r1r, $r2d, $r2r);
3.120     scop     3614:   while (<$fh>) {
                   3615:     ($r1d, $r1r) = /\t(.*)\t(.*)$/ if (/^--- /);
                   3616:     ($r2d, $r2r) = /\t(.*)\t(.*)$/ if (/^\+\+\+ /);
                   3617:     last if (/^\+\+\+ /);
                   3618:   }
                   3619:
3.178     scop     3620:   my ($rev1, $date1);
3.120     scop     3621:   if (defined($r1r) && $r1r =~ /^(\d+\.)+\d+$/) {
                   3622:     $rev1  = $r1r;
                   3623:     $date1 = $r1d;
                   3624:   }
3.178     scop     3625:   my ($rev2, $date2);
3.120     scop     3626:   if (defined($r2r) && $r2r =~ /^(\d+\.)+\d+$/) {
                   3627:     $rev2  = $r2r;
                   3628:     $date2 = $r2d;
                   3629:   }
3.178     scop     3630:   $rev1  = 'unknown-left'  unless defined($rev1);
                   3631:   $rev2  = 'unknown-right' unless defined($rev2);
                   3632:   $date1 = defined($date1) ? ', ' . htmlquote($date1) : '';
                   3633:   $date2 = defined($date2) ? ', ' . htmlquote($date2) : '';
3.120     scop     3634:
3.281     scop     3635:   my $link = uri_escape($filename) . ($query ? "$query;" : '?');
3.210     scop     3636:
3.144     scop     3637:   # Using <table style=\"border: none\" here breaks NS 4.x badly...
3.210     scop     3638:   print <<EOF;
                   3639: <h3 style="text-align: center">Diff for /$where_nd between versions $rev1 and $rev2</h3>
                   3640: <table border="0" cellspacing="0" cellpadding="0" width="100%" summary="Diff output">
3.144     scop     3641: <tr style="background-color: #ffffff">
3.210     scop     3642: <th style="text-align: center; vertical-align: top" width="50%">
3.281     scop     3643: <a href="${link}rev=$rev1">version $rev1</a>$date1
3.178     scop     3644: </th>
3.210     scop     3645: <th style="text-align: center; vertical-align: top" width="50%">
3.281     scop     3646: <a href="${link}rev=$rev2">version $rev2</a>$date2
3.144     scop     3647: </th>
3.178     scop     3648: </tr>
3.144     scop     3649: EOF
3.120     scop     3650:
                   3651:   # Process diff text
                   3652:   # prefetch several lines
                   3653:   my @buf = head($fh);
3.144     scop     3654:   my %d = scan_directives(@buf);
3.120     scop     3655:
3.144     scop     3656:   my $leftRow  = 0;
                   3657:   my $rightRow = 0;
                   3658:   my ($difftxt, @rightCol, @leftCol, $oldline, $newline, $funname);
3.120     scop     3659:
3.281     scop     3660:   $link .= 'content-type=text%2Fx-cvsweb-markup;';
                   3661:   $link .= 'ln=1;' unless ($link =~ /\?.*\bln=1\b/);
3.210     scop     3662:
3.120     scop     3663:   while (@buf || !eof($fh)) {
                   3664:     $difftxt = @buf ? shift @buf : <$fh>;
                   3665:
                   3666:     if ($difftxt =~ /^@@/) {
                   3667:       ($oldline, $newline, $funname) =
                   3668:         $difftxt =~ /@@ \-([0-9]+).*\+([0-9]+).*@@(.*)/;
                   3669:       $funname = htmlquote($funname);
                   3670:       $funname =~ s/\s/&nbsp;/go;
3.182     scop     3671:       $funname &&= "&nbsp;<span style=\"font-size: smaller\">$funname</span>";
3.210     scop     3672:       my $ol = $oldline || 1;
                   3673:       my $nl = $newline || 1;
3.144     scop     3674:
3.210     scop     3675:       print <<EOF;
3.182     scop     3676: <tr>
3.210     scop     3677: <td width="50%" class="diff-heading">
3.281     scop     3678:  <b><a href="${link}rev=$rev1#l$ol">Line&nbsp;$oldline</a></b>$funname
3.182     scop     3679: </td>
3.210     scop     3680: <td width="50%" class="diff-heading">
3.281     scop     3681:  <b><a href="${link}rev=$rev2#l$nl">Line&nbsp;$newline</a></b>$funname
3.144     scop     3682: </td>
3.208     scop     3683: </tr>
3.144     scop     3684: EOF
                   3685:
3.120     scop     3686:       $state    = "dump";
                   3687:       $leftRow  = 0;
                   3688:       $rightRow = 0;
                   3689:     } else {
3.224     scop     3690:       my ($diffcode, $rest) = $difftxt =~ /^([-+ ])(.*)/;
                   3691:       $diffcode = '' unless defined($diffcode);
3.176     scop     3692:       $_ = $rest;
3.120     scop     3693:
                   3694:       #########
                   3695:       # little state machine to parse unified-diff output (Hen, zeller@think.de)
                   3696:       # in order to get some nice 'ediff'-mode output
                   3697:       # states:
                   3698:       #  "dump"             - just dump the value
                   3699:       #  "PreChangeRemove"  - we began with '-' .. so this could be the start of a 'change' area or just remove
                   3700:       #  "PreChange"        - okey, we got several '-' lines and moved to '+' lines -> this is a change block
                   3701:       ##########
                   3702:
                   3703:       if ($diffcode eq '+') {
                   3704:         if ($state eq "dump")
                   3705:         {    # 'change' never begins with '+': just dump out value
3.254     scop     3706:           $_ = spacedHtmlText($rest, $d{tabstop});
3.144     scop     3707:           printf(<<EOF, $_);
                   3708: <tr>
3.260     scop     3709:  <td class="diff diff-empty">&nbsp;</td>
                   3710:  <td class="diff diff-added">&nbsp;%s</td>
3.144     scop     3711: </tr>
                   3712: EOF
3.120     scop     3713:         } else {    # we got minus before
                   3714:           $state = "PreChange";
                   3715:           $rightCol[$rightRow++] = $_;
                   3716:         }
                   3717:       } elsif ($diffcode eq '-') {
                   3718:         $state = "PreChangeRemove";
                   3719:         $leftCol[$leftRow++] = $_;
                   3720:       } else {    # empty diffcode
                   3721:         flush_diff_rows \@leftCol, \@rightCol, $leftRow, $rightRow;
3.254     scop     3722:         $_ = spacedHtmlText($rest, $d{tabstop});
3.147     scop     3723:         printf(<<EOF, $_, $_);
3.144     scop     3724: <tr>
3.260     scop     3725:  <td class="diff diff-same">&nbsp;%s</td>
                   3726:  <td class="diff diff-same">&nbsp;%s</td>
3.144     scop     3727: </tr>
                   3728: EOF
3.120     scop     3729:         $state    = "dump";
                   3730:         $leftRow  = 0;
                   3731:         $rightRow = 0;
                   3732:       }
                   3733:     }
                   3734:   }
                   3735:   close($fh);
                   3736:
                   3737:   flush_diff_rows \@leftCol, \@rightCol, $leftRow, $rightRow;
                   3738:
                   3739:   # state is empty if we didn't have any change
                   3740:   if (!$state) {
3.144     scop     3741:     print <<EOF;
                   3742: <tr>
                   3743:  <td colspan="2">&nbsp;</td>
                   3744: </tr>
3.260     scop     3745: <tr class="diff diff-empty">
3.144     scop     3746:  <td colspan="2" align="center"><b>- No viewable change -</b></td>
                   3747: </tr>
                   3748: EOF
3.120     scop     3749:   }
                   3750:
3.182     scop     3751:   printf(<<EOF, $scriptwhere);
3.144     scop     3752: </table>
3.208     scop     3753: <hr style="width: 100%%" />
3.144     scop     3754: <form method="get" action="%s">
3.182     scop     3755: <div style="float: left">
3.208     scop     3756: <label for="f">Diff format:<br />
3.144     scop     3757: EOF
3.168     scop     3758:   printDiffSelectStickyVars();
3.120     scop     3759:   printDiffSelect($use_java_script);
3.182     scop     3760:   printf(<<EOF, $rev1, $rev2);
3.179     scop     3761: </label>
3.208     scop     3762: <input type="submit" value="Show" />
3.182     scop     3763: </div>
                   3764: <table style="float: right; border: thin outset" cellspacing="0" cellpadding="1" title="Legend" summary="Legend">
                   3765:  <tr>
3.260     scop     3766:   <td align="center" class="diff diff-removed">Removed from v.%s</td>
                   3767:   <td class="diff diff-empty">&nbsp;</td>
                   3768:  </tr><tr class="diff diff-changed">
3.182     scop     3769:   <td align="center" colspan="2">changed lines</td>
                   3770:  </tr><tr>
3.260     scop     3771:   <td class="diff diff-empty">&nbsp;</td>
                   3772:   <td align="center" class="diff diff-added">Added in v.%s</td>
3.182     scop     3773:  </tr>
3.144     scop     3774: </table>
                   3775: </form>
3.208     scop     3776: <br clear="all" />
3.144     scop     3777: EOF
3.120     scop     3778: }
3.167     scop     3779:
                   3780:
3.245     scop     3781: sub doEnscript($$$;$)
3.167     scop     3782: {
3.240     scop     3783:   my ($filehandle, $highlight, $linenumbers, $lang) = @_;
                   3784:   $lang ||= 'cvsweb';
3.167     scop     3785:
3.174     scop     3786:   my @cmd = ($CMD{enscript},
                   3787:              @enscript_options,
3.240     scop     3788:              '-q', "--language=$lang", '-o', '-', "--highlight=$highlight");
3.174     scop     3789:
                   3790:   local *ENSCRIPT_OUT;
                   3791:   my ($h, $err) =
3.229     scop     3792:     startproc(\@cmd, $filehandle, '>pipe', \*ENSCRIPT_OUT);
3.174     scop     3793:   fatal('500 Internal Error', $err) unless $h;
                   3794:
                   3795:   # We could short-circuit and have enscript output directly to STDOUT above,
                   3796:   # but that doesn't work with mod_perl (at least some 1.99 versions).
                   3797:   if ($linenumbers) {
                   3798:     my $ln = 0;
                   3799:     while (<ENSCRIPT_OUT>) {
                   3800:       printf '<a id="l%d" class="src">%5d: </a>', (++$ln) x 2;
                   3801:       print $_;
3.167     scop     3802:     }
3.174     scop     3803:   } else {
                   3804:     local $/ = undef;
                   3805:     print <ENSCRIPT_OUT>;
3.167     scop     3806:   }
3.229     scop     3807:   $h->finish();
3.167     scop     3808: }
                   3809:
3.120     scop     3810:
3.271     scop     3811: #
                   3812: # The passed in $path and $filename should not be URI escaped, and $swhere
                   3813: # *should* be.
                   3814: #
3.163     scop     3815: sub navigateHeader($$$$$;$)
3.120     scop     3816: {
3.163     scop     3817:   my ($swhere, $path, $filename, $rev, $title, $moddate) = @_;
3.120     scop     3818:   $swhere = "" if ($swhere eq $scriptwhere);
3.271     scop     3819:   $swhere = './' . uri_escape($filename) if ($swhere eq "");
3.120     scop     3820:
3.136     scop     3821:   my $qfile = htmlquote($filename);
                   3822:   my $qpath = htmlquote($path);
3.274     scop     3823:   my $trev  = $rev ? " - " . htmlquote($rev) : '';
3.100     knu      3824:
3.163     scop     3825:   http_header('', $moddate);
3.133     scop     3826:
3.120     scop     3827:   print <<EOF;
3.100     knu      3828: $HTML_DOCTYPE
3.89      knu      3829: <html>
                   3830: <head>
3.170     scop     3831: <title>$qpath$qfile - $title$trev</title>
3.144     scop     3832: $HTML_META$CSS</head>
3.129     scop     3833: <body class="src">
3.265     scop     3834: <table class="navigate-header" width="100%" summary="Navigation">
3.184     scop     3835:  <tr>
                   3836:   <td>
3.64      knu      3837: EOF
                   3838:
3.274     scop     3839:   my $frag = '';
                   3840:   if ($rev) {
                   3841:     $frag  = '#';
                   3842:     $frag .= 'rev' if ($rev =~ /\./);  # Normal revision: prefix with "rev".
                   3843:     $frag .= $rev;                     # Append revision/branch/tag.
                   3844:   }
                   3845:   my $backurl = "$swhere$query$frag";
                   3846:
                   3847:   print &link($backicon, $backurl);
                   3848:   printf '<b>Return to %s CVS log', &link($qfile, $backurl);
3.120     scop     3849:   print "</b> $fileicon</td>";
                   3850:
3.144     scop     3851:   printf(<<EOF, $diricon, &clickablePath($path, 1));
3.182     scop     3852:   <td style="text-align: right">%s <b>Up to %s</b></td>
3.144     scop     3853:  </tr>
                   3854: </table>
                   3855: EOF
3.120     scop     3856: }
                   3857:
3.175     scop     3858:
3.120     scop     3859: sub plural_write($$)
                   3860: {
                   3861:   my ($num, $text) = @_;
                   3862:   if ($num != 1) {
                   3863:     $text .= "s";
                   3864:   }
                   3865:
                   3866:   if ($num > 0) {
                   3867:     return join (' ', $num, $text);
                   3868:   } else {
                   3869:     return "";
                   3870:   }
3.1       knu      3871: }
                   3872:
3.175     scop     3873:
3.1       knu      3874: ##
                   3875: # print readable timestamp in terms of
                   3876: # '..time ago'
                   3877: # H. Zeller <zeller@think.de>
                   3878: ##
3.120     scop     3879: sub readableTime($$)
                   3880: {
                   3881:   my ($secs, $long) = @_;
                   3882:
3.175     scop     3883:   # This function works correctly for time >= 2 seconds.
                   3884:   return 'very little time' if ($secs < 2);
3.120     scop     3885:
                   3886:   my %desc = (
3.133     scop     3887:               1        => 'second',
                   3888:               60       => 'minute',
                   3889:               3600     => 'hour',
                   3890:               86400    => 'day',
                   3891:               604800   => 'week',
                   3892:               2628000  => 'month',
                   3893:               31536000 => 'year'
                   3894:              );
                   3895:
3.120     scop     3896:   my @breaks = sort { $a <=> $b } keys %desc;
3.133     scop     3897:   my $i = 0;
3.120     scop     3898:
                   3899:   while ($i <= $#breaks && $secs >= 2 * $breaks[$i]) {
                   3900:     $i++;
                   3901:   }
                   3902:   $i--;
3.133     scop     3903:   my $break  = $breaks[$i];
                   3904:   my $retval = plural_write(int($secs / $break), $desc{$break});
3.120     scop     3905:
                   3906:   if ($long == 1 && $i > 0) {
                   3907:     my $rest = $secs % $break;
                   3908:     $i--;
                   3909:     $break = $breaks[$i];
                   3910:     my $resttime = plural_write(int($rest / $break), $desc{$break});
                   3911:     if ($resttime) {
                   3912:       $retval .= ", $resttime";
                   3913:     }
                   3914:   }
3.1       knu      3915:
3.120     scop     3916:   return $retval;
3.1       knu      3917: }
                   3918:
3.175     scop     3919:
3.1       knu      3920: #
3.263     scop     3921: # Returns a htmlified path where each directory is a link for faster
                   3922: # navigation.  $clickLast controls whether the basename
3.271     scop     3923: # (last directory/file) is a link as well.  The passed in $pathname should
                   3924: # *not* be URI escaped.
3.263     scop     3925: #
3.120     scop     3926: sub clickablePath($$)
                   3927: {
                   3928:   my ($pathname, $clickLast) = @_;
                   3929:
3.154     scop     3930:   my $root = '[' . htmlquote($CVSROOTdescr{$cvstree} || $cvstree) . ']';
                   3931:
3.144     scop     3932:   # This should never happen (see chooseCVSRoot()), but let's be sure...
3.154     scop     3933:   return $root if ($pathname eq '/');
3.120     scop     3934:
3.144     scop     3935:   my $retval =
3.154     scop     3936:     ' ' . &link($root, sprintf('%s/%s#dirlist', $scriptname, $query));
3.144     scop     3937:   my $wherepath = '';
                   3938:   my ($lastslash) = $pathname =~ m|/$|;
                   3939:
3.261     scop     3940:   foreach (split(m|/|, $pathname)) {
3.144     scop     3941:     $retval .= ' / ';
                   3942:     $wherepath .= "/$_";
                   3943:     my $last = "$wherepath/" eq "/$pathname" || $wherepath eq "/$pathname";
                   3944:
                   3945:     if ($clickLast || !$last) {
                   3946:       $retval .= &link(htmlquote($_),
                   3947:                        join ('',
3.271     scop     3948:                              $scriptname, uri_escape_path($wherepath),
3.144     scop     3949:                              (!$last || $lastslash ? '/' : ''), $query,
                   3950:                              (!$last || $lastslash ? "#dirlist" : "")));
                   3951:     } else {    # do not make a link to the current dir
                   3952:       $retval .= htmlquote($_);
3.120     scop     3953:     }
                   3954:   }
                   3955:   return $retval;
                   3956: }
                   3957:
3.144     scop     3958:
3.120     scop     3959: sub chooseCVSRoot()
                   3960: {
3.268     scop     3961:   print "<form method=\"get\" action=\"$scriptwhere\">\n<p>\n";
3.120     scop     3962:   if (2 <= @CVSROOT) {
3.133     scop     3963:     foreach my $k (keys %input) {
3.208     scop     3964:       printf("<input type=\"hidden\" name=\"%s\" value=\"%s\" />\n",
3.154     scop     3965:              htmlquote($k), htmlquote($input{$k}))
                   3966:         if ($input{$k} && $k ne 'cvsroot');
3.120     scop     3967:     }
                   3968:
3.144     scop     3969:     printf(<<EOF, $use_java_script ? ' onchange="this.form.submit()"' : '');
3.208     scop     3970: <label for="cvsroot" accesskey="C">CVS Root:
3.144     scop     3971: <select id="cvsroot" name="cvsroot"%s>
                   3972: EOF
3.120     scop     3973:
3.133     scop     3974:     foreach my $k (@CVSROOT) {
3.136     scop     3975:       printf("<option value=\"%s\"%s>%s</option>\n",
                   3976:              htmlquote($k),
3.208     scop     3977:              ($k eq $cvstree) ? ' selected="selected"' : '',
3.136     scop     3978:              htmlquote($CVSROOTdescr{$k} || $k));
3.120     scop     3979:     }
3.208     scop     3980:     print '</select></label>';
3.120     scop     3981:   } else {
                   3982:
                   3983:     # no choice -- but we need the form to select module/path,
                   3984:     # at least for Netscape
3.208     scop     3985:     printf "CVS Root: <b>[%s]</b>",
3.154     scop     3986:       htmlquote($CVSROOTdescr{$cvstree} || $cvstree);
3.120     scop     3987:   }
                   3988:
3.144     scop     3989:   print <<EOF;
                   3990: <label for="mpath" accesskey="M">
                   3991: Module path or alias:
3.208     scop     3992: <input type="text" id="mpath" name="path" value="" size="15" />
3.144     scop     3993: </label>
3.208     scop     3994: <input type="submit" value="Go" accesskey="O" />
                   3995: </p>
                   3996: </form>
3.144     scop     3997: EOF
3.120     scop     3998: }
                   3999:
3.175     scop     4000:
3.120     scop     4001: sub chooseMirror()
                   4002: {
                   4003:   # This code comes from the original BSD-cvsweb
                   4004:   # and may not be useful for your site; If you don't
                   4005:   # set %MIRRORS this won't show up, anyway.
                   4006:   scalar(%MIRRORS) or return;
                   4007:
                   4008:   # Should perhaps exclude the current site somehow...
                   4009:   print "\n<p>\nThis CVSweb is mirrored in\n";
                   4010:
                   4011:   my @tmp = map(&link(htmlquote($_), $MIRRORS{$_}), sort keys %MIRRORS);
                   4012:   my $tmp = pop (@tmp);
                   4013:
                   4014:   if (scalar(@tmp)) {
                   4015:     print join (', ', @tmp), ' and ';
                   4016:   }
                   4017:
                   4018:   print "$tmp.\n</p>\n";
                   4019: }
                   4020:
3.175     scop     4021:
3.120     scop     4022: sub fileSortCmp()
                   4023: {
3.175     scop     4024:   (my $af = $a) =~ s/,v$//;
                   4025:   (my $bf = $b) =~ s/,v$//;
3.120     scop     4026:   my ($rev1, $date1, $log1, $author1, $filename1) = @{$fileinfo{$af}}
                   4027:     if (defined($fileinfo{$af}));
                   4028:   my ($rev2, $date2, $log2, $author2, $filename2) = @{$fileinfo{$bf}}
                   4029:     if (defined($fileinfo{$bf}));
                   4030:
3.175     scop     4031:   my $comp = 0;
3.140     scop     4032:   if (defined($filename1) && defined($filename2) &&
                   4033:       $af eq $filename1   && $bf eq $filename2)
3.120     scop     4034:   {
                   4035:
                   4036:     # Two files
3.140     scop     4037:     $comp = -revcmp($rev1, $rev2)             if ($byrev  && $rev1  && $rev2);
                   4038:     $comp = ($date2   <=> $date1)             if ($bydate && $date1 && $date2);
                   4039:     if ($input{ignorecase}) {
                   4040:       $comp = (uc($log1)    cmp uc($log2))    if ($bylog && $log1 && $log2);
                   4041:       $comp = (uc($author1) cmp uc($author2)) if ($byauthor &&
                   4042:                                                   $author1 && $author2);
                   4043:     } else {
                   4044:       $comp = ($log1    cmp $log2)            if ($bylog && $log1 && $log2);
                   4045:       $comp = ($author1 cmp $author2)         if ($byauthor &&
                   4046:                                                   $author1 && $author2);
                   4047:     }
3.120     scop     4048:   }
                   4049:
                   4050:   if ($comp == 0) {
                   4051:
                   4052:     # Directories first, then files under version control,
                   4053:     # then other, "rogue" files.
                   4054:     # Sort by filename if no other criteria available.
                   4055:
                   4056:     my $ad = (
                   4057:       (-d "$fullname/$a")
                   4058:       ? 'D'
                   4059:       : (defined($fileinfo{$af}) ? 'F' : 'R')
                   4060:     );
                   4061:     my $bd = (
                   4062:       (-d "$fullname/$b")
                   4063:       ? 'D'
                   4064:       : (defined($fileinfo{$bf}) ? 'F' : 'R')
                   4065:     );
3.175     scop     4066:     (my $c = $a) =~ s|.*/||;
                   4067:     (my $d = $b) =~ s|.*/||;
3.144     scop     4068:
                   4069:     my ($l, $r) = ("$ad$c", "$bd$d");
                   4070:     $comp = $input{ignorecase} ? (uc($l) cmp uc($r)) : ($l cmp $r);
                   4071:
                   4072:     # Parent dir is always first, then Attic.
                   4073:     if ($comp != 0) {
                   4074:       if ($l eq 'D..') {
3.149     scop     4075:         $comp = -1;
3.144     scop     4076:       } elsif ($r eq 'D..') {
3.149     scop     4077:         $comp = 1;
3.144     scop     4078:       } elsif ($l eq 'DAttic') {
3.149     scop     4079:         $comp = -1;
3.144     scop     4080:       } elsif ($r eq 'DAttic') {
3.149     scop     4081:         $comp = 1;
3.144     scop     4082:       }
                   4083:     }
3.120     scop     4084:   }
                   4085:   return $comp;
3.1       knu      4086: }
                   4087:
3.220     scop     4088: #
                   4089: # Returns a URL to download the selected revision.
3.271     scop     4090: # Expects the passed in URL to be URI escaped, relative, and without a query
                   4091: # string.
3.220     scop     4092: #
3.120     scop     4093: sub download_url($$;$)
                   4094: {
                   4095:   my ($url, $revision, $mimetype) = @_;
3.252     scop     4096:   my @dots = $revision =~ /\./g;
                   4097:   $revision =~ s/\b0\.(?=\d+$)// if (scalar(@dots) & 1);
3.1       knu      4098:
3.222     scop     4099:   if (!defined($mimetype) || $mimetype !~ CVSWEBMARKUP) {
3.120     scop     4100:     my $path = $where;
                   4101:     $path =~ s|[^/]+$||;
3.261     scop     4102:     $url = "$scriptname/$CheckoutMagic/$path$url";
3.120     scop     4103:   }
3.219     scop     4104:   $url .= '?rev=' . uri_escape($revision);
                   4105:   $url .= ';content-type=' . uri_escape($mimetype) if $mimetype;
3.67      knu      4106:
3.175     scop     4107:   return $url;
3.1       knu      4108: }
                   4109:
3.175     scop     4110: #
3.220     scop     4111: # Returns a link to download the selected revision.
3.271     scop     4112: # Expects the passed in URL to be URI escaped, relative,
                   4113: # and without a query string.
3.175     scop     4114: #
3.120     scop     4115: sub download_link($$$;$)
                   4116: {
                   4117:   my ($url, $revision, $textlink, $mimetype) = @_;
3.220     scop     4118:   return sprintf('<a href="%s" class="download-link">%s</a>',
3.271     scop     4119:                  download_url($url, $revision, $mimetype) . $barequery,
                   4120:                  htmlquote($textlink));
3.218     scop     4121: }
3.120     scop     4122:
3.219     scop     4123: #
                   4124: # Returns a URL to display the selected revision.
3.263     scop     4125: # Expects the passed in URL to be URI escaped, and without a query string.
3.219     scop     4126: #
                   4127: sub display_url($$;$)
                   4128: {
                   4129:   my ($url, $revision, $mimetype) = @_;
                   4130:   $url .= '?rev=' . uri_escape($revision);
                   4131:   $url .= ';content-type=' . uri_escape($mimetype) if $mimetype;
                   4132:   return $url;
                   4133: }
                   4134:
                   4135: #
                   4136: # Returns a link to display the selected revision.
3.263     scop     4137: # Expects the passed in URL to be URI escaped, and without a query string.
3.219     scop     4138: #
                   4139: sub display_link($$;$$)
                   4140: {
                   4141:   my ($url, $revision, $textlink, $mtype) = @_;
                   4142:   $textlink = $revision unless defined($textlink);
                   4143:   return sprintf('<a href="%s" class="display-link">%s</a>',
3.271     scop     4144:                  display_url($url, $revision, $mtype) . $barequery,
3.219     scop     4145:                  htmlquote($textlink));
                   4146: }
3.132     scop     4147:
3.271     scop     4148: #
                   4149: # Expects the passed in URL to be URI escaped, and without a query string.
                   4150: # The passed in link text should be already HTML escaped as appropriate.
                   4151: #
3.170     scop     4152: sub graph_link($;$)
3.132     scop     4153: {
3.170     scop     4154:   my ($url, $text) = @_;
3.132     scop     4155:   $text ||= $graphicon;
3.271     scop     4156:   return sprintf('<a href="%s?graph=1%s">%s</a>', $url, $barequery, $text);
3.258     scop     4157: }
                   4158:
                   4159: #
                   4160: # Returns a link to CVSHistory for the given directory and filename.
                   4161: #
                   4162: sub history_link($$;$)
                   4163: {
                   4164:   my ($dir, $file, $text) = @_;
                   4165:   $dir  ||= '';
                   4166:   $file ||= '';
                   4167:   $text ||= 'History';
                   4168:   return &link($text,
                   4169:                sprintf('%s?cvsroot=%s;dsearch=%s;fsearch=%s;limit=1',
                   4170:                        $cvshistory_url, uri_escape($input{cvsroot} || ''),
                   4171:                        uri_escape($dir), uri_escape($file)));
3.1       knu      4172: }
                   4173:
                   4174: # Returns a Query string with the
                   4175: # specified parameter toggled
3.140     scop     4176: sub toggleQuery($;$)
3.120     scop     4177: {
                   4178:   my ($toggle, $value) = @_;
3.133     scop     4179:
                   4180:   my %vars = %input;
3.120     scop     4181:
                   4182:   if (defined($value)) {
                   4183:     $vars{$toggle} = $value;
                   4184:   } else {
                   4185:     $vars{$toggle} = $vars{$toggle} ? 0 : 1;
                   4186:   }
                   4187:
                   4188:   # Build a new query of non-default paramenters
3.133     scop     4189:   my $newquery = "";
                   4190:   foreach my $var (@stickyvars) {
3.120     scop     4191:     my ($value)   = defined($vars{$var})         ? $vars{$var}         : "";
                   4192:     my ($default) = defined($DEFAULTVALUE{$var}) ? $DEFAULTVALUE{$var} : "";
                   4193:
                   4194:     if ($value ne $default) {
3.203     scop     4195:       $newquery .= ';' if ($newquery ne "");
3.206     scop     4196:       $newquery .= uri_escape($var) . '=' . uri_escape($value);
3.120     scop     4197:     }
                   4198:   }
                   4199:
                   4200:   if ($newquery) {
                   4201:     return '?' . $newquery;
                   4202:   }
                   4203:   return "";
                   4204: }
                   4205:
                   4206: sub htmlquote($)
                   4207: {
                   4208:   local ($_) = @_;
                   4209:   # Special Characters; RFC 1866
                   4210:   s/&/&amp;/g;
                   4211:   s/\"/&quot;/g;
                   4212:   s/</&lt;/g;
                   4213:   s/>/&gt;/g;
3.175     scop     4214:   return $_;
3.120     scop     4215: }
                   4216:
                   4217: sub htmlunquote($)
                   4218: {
                   4219:   local ($_) = @_;
                   4220:   # Special Characters; RFC 1866
                   4221:   s/&quot;/\"/g;
                   4222:   s/&lt;/</g;
                   4223:   s/&gt;/>/g;
                   4224:   s/&amp;/&/g;
3.175     scop     4225:   return $_;
3.120     scop     4226: }
                   4227:
3.271     scop     4228: sub uri_escape_path($)
3.120     scop     4229: {
3.271     scop     4230:   return join('/', map(uri_escape($_), split(m|/+|, shift, -1)));
3.120     scop     4231: }
                   4232:
3.163     scop     4233: sub http_header(;$$)
3.120     scop     4234: {
3.163     scop     4235:   my ($content_type, $moddate) = @_;
                   4236:   $content_type ||= 'text/html';
3.120     scop     4237:
                   4238:   $content_type .= "; charset=$charset"
3.163     scop     4239:     if ($charset && $content_type =~ m,^text/,);
3.120     scop     4240:
3.185     scop     4241:   # Note that in the following, we explicitly join() and concatenate the
                   4242:   # headers instead of printing them as an array.  This is because some
                   4243:   # systems, eg. early versions of mod_perl 2 don't quite get it if the
                   4244:   # last \r\n\r\n isn't included in the last "payload" header print().
                   4245:
                   4246:   my @headers = ();
                   4247:   # TODO: ctime(3) from scalar gmtime() isn't HTTP compliant, see HTTP::Date.
                   4248:   push(@headers, 'Last-Modified: ' . scalar gmtime($moddate) . ' GMT')
                   4249:     if $moddate;
                   4250:   push(@headers, 'Content-Type: ' . $content_type);
3.120     scop     4251:
                   4252:   if ($allow_compress && $maycompress) {
3.222     scop     4253:     if (HAS_ZLIB
3.120     scop     4254:         || (defined($CMD{gzip}) && open(GZIP, "| $CMD{gzip} -1 -c")))
                   4255:     {
                   4256:
3.185     scop     4257:       push(@headers, 'Content-Encoding: x-gzip');
                   4258:       push(@headers, 'Vary: Accept-Encoding');     # RFC 2616, 14.44
                   4259:       print join("\r\n", @headers) . "\r\n\r\n";
                   4260:
3.120     scop     4261:       $| = 1;
3.185     scop     4262:       $| = 0;                                      # Flush header output.
3.120     scop     4263:
3.222     scop     4264:       tie(*GZIP, __PACKAGE__, \*STDOUT) if HAS_ZLIB;
3.120     scop     4265:       select(GZIP);
                   4266:       $gzip_open = 1;
                   4267:
                   4268:     } else {
3.185     scop     4269:
                   4270:       print join("\r\n", @headers) . "\r\n\r\n";
3.230     scop     4271:       printf
                   4272:         '<span style="font-size: smaller">Unable to find gzip binary in the <b>$command_path</b> (<code>%s</code>) to compress output</span><br />',
                   4273:           htmlquote(join(':', @command_path));
3.120     scop     4274:     }
3.185     scop     4275:
3.120     scop     4276:   } else {
3.185     scop     4277:     print join("\r\n", @headers) . "\r\n\r\n";
3.120     scop     4278:   }
                   4279: }
                   4280:
3.131     scop     4281:
3.163     scop     4282: sub html_header($;$)
3.120     scop     4283: {
3.163     scop     4284:   my ($title, $moddate) = @_;
                   4285:   $title = htmlquote($title);
3.162     scop     4286:   my $l = $logo || '';
3.163     scop     4287:   http_header('text/html', $moddate);
3.120     scop     4288:   print <<EOH;
3.100     knu      4289: $HTML_DOCTYPE
3.1       knu      4290: <html>
3.40      knu      4291: <head>
3.134     scop     4292: <title>$title</title>
3.144     scop     4293: $HTML_META$CSS</head>
3.129     scop     4294: <body>
3.182     scop     4295: $l <h1>$title</h1>
3.1       knu      4296: EOH
                   4297: }
                   4298:
3.120     scop     4299: sub html_footer()
                   4300: {
3.208     scop     4301:   print "<hr />\n<address>$address</address>\n" if $address;
3.127     scop     4302:   print "</body>\n</html>\n";
3.1       knu      4303: }
                   4304:
3.120     scop     4305: sub link_tags($)
                   4306: {
                   4307:   my ($tags) = @_;
                   4308:
3.261     scop     4309:   (my $filename = $where) =~ s|^.*/||;
3.271     scop     4310:   my $fileurl = './' . uri_escape($filename);
3.120     scop     4311:
3.261     scop     4312:   my $ret = "";
                   4313:   foreach my $sym (split(", ", $tags)) {
3.120     scop     4314:     $ret .= ",\n" if ($ret ne "");
3.136     scop     4315:     $ret .= &link(htmlquote($sym),
                   4316:                   $fileurl . toggleQuery('only_with_tag', $sym));
3.120     scop     4317:   }
3.219     scop     4318:   return $ret;
3.1       knu      4319: }
                   4320:
3.175     scop     4321:
3.1       knu      4322: #
3.233     scop     4323: # See if a file/dir is listed in the config file's @ForbiddenFiles list.
                   4324: # Takes a full file system path or one relative to $cvsroot, and strips the
                   4325: # trailing ",v" if present, then compares.  Returns 1 if forbidden, else 0.
3.221     scop     4326: #
3.233     scop     4327: sub forbidden($)
3.120     scop     4328: {
3.233     scop     4329:   (my $path = canonpath(shift)) =~ s/,v$//;
                   4330:   $path =~ s|^$cvsroot/+||;
3.175     scop     4331:   for my $forbidden_re (@ForbiddenFiles) {
                   4332:     return 1 if ($path =~ $forbidden_re);
3.120     scop     4333:   }
                   4334:   return 0;
3.174     scop     4335: }
                   4336:
                   4337:
                   4338: #
                   4339: # Starts a process using IPC::Run.  All arguments are passed to
                   4340: # IPC::Run::start() as-is.  Returns an array ($harness, $error) where
                   4341: # $harness is from IPC::Run if start() succeeds, undef otherwise.  In case
3.184     scop     4342: # of an error, $error contains the error message.
3.174     scop     4343: #
3.191     scop     4344: sub startproc(@)
3.174     scop     4345: {

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