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Annotation of cvsweb/cvsweb.cgi, Revision 3.270

3.204     scop        1: #!/usr/bin/perl -T
1.1       jfieber     2: #
3.1       knu         3: # cvsweb - a CGI interface to CVS trees.
1.1       jfieber     4: #
3.12      knu         5: # Written in their spare time by
3.113     scop        6: #             Bill Fenner          <fenner@FreeBSD.org>   (original work)
                      7: # extended by Henner Zeller        <zeller@think.de>,
                      8: #             Henrik Nordstrom     <hno@hem.passagen.se>
                      9: #             Ken Coar             <coar@Apache.Org>
                     10: #             Dick Balaska         <dick@buckosoft.com>
                     11: #             Akinori MUSHA        <knu@FreeBSD.org>
                     12: #             Jens-Uwe Mager       <jum@helios.de>
                     13: #             Ville Skyttä         <scop@FreeBSD.org>
                     14: #             Vassilii Khachaturov <vassilii@tarunz.org>
3.1       knu        15: #
                     16: # Based on:
                     17: # * Bill Fenners cvsweb.cgi revision 1.28 available from:
3.5       knu        18: #   http://www.FreeBSD.org/cgi/cvsweb.cgi/www/en/cgi/cvsweb.cgi
1.1       jfieber    19: #
1.21      wosch      20: # Copyright (c) 1996-1998 Bill Fenner
3.1       knu        21: #           (c) 1998-1999 Henner Zeller
3.109     scop       22: #           (c) 1999      Henrik Nordstrom
                     23: #           (c) 2000-2002 Akinori MUSHA
3.216     scop       24: #           (c) 2002-2004 Ville Skyttä
1.21      wosch      25: # All rights reserved.
                     26: #
                     27: # Redistribution and use in source and binary forms, with or without
                     28: # modification, are permitted provided that the following conditions
                     29: # are met:
                     30: # 1. Redistributions of source code must retain the above copyright
                     31: #    notice, this list of conditions and the following disclaimer.
                     32: # 2. Redistributions in binary form must reproduce the above copyright
                     33: #    notice, this list of conditions and the following disclaimer in the
                     34: #    documentation and/or other materials provided with the distribution.
                     35: #
                     36: # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
                     37: # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     38: # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     39: # ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
                     40: # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     41: # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     42: # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     43: # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     44: # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     45: # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     46: # SUCH DAMAGE.
                     47: #
3.87      knu        48: # $FreeBSD$
3.82      knu        49: # $Id: cvsweb.cgi,v 1.112 2001/07/24 13:03:16 hzeller Exp $
3.85      knu        50: # $Idaemons: /home/cvs/cvsweb/cvsweb.cgi,v 3.84 2001/10/07 20:50:10 knu Exp $
1.21      wosch      51: #
3.1       knu        52: ###
                     53:
3.204     scop       54: require 5.006;
3.55      knu        55:
3.1       knu        56: use strict;
1.21      wosch      57:
3.204     scop       58: use warnings;
                     59: use filetest qw(access);
                     60:
3.1       knu        61: use vars qw (
3.222     scop       62:   $VERSION $CheckoutMagic $MimeTypes
3.144     scop       63:   $config $allow_version_select
3.120     scop       64:   @CVSrepositories @CVSROOT %CVSROOT %CVSROOTdescr
                     65:   %MIRRORS %DEFAULTVALUE %ICONS %MTYPES
3.225     scop       66:   %DIFF_COMMANDS @DIFFTYPES %DIFFTYPES @LOGSORTKEYS %LOGSORTKEYS
3.129     scop       67:   %alltags %fileinfo %tags @branchnames %nameprinted
3.120     scop       68:   %symrev %revsym @allrevisions %date %author @revdisplayorder
3.152     scop       69:   @revisions %state %difflines %log %branchpoint @revorder $keywordsubstitution
3.120     scop       70:   $prcgi @prcategories $re_prcategories $prkeyword $re_prkeyword $mancgi
3.222     scop       71:   $doCheckout $scriptname $scriptwhere
3.264     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:   $allow_enscript @enscript_options %enscript_types
3.1       knu        92: );
                     93:
3.183     scop       94: use Cwd                   qw(abs_path cwd);
3.172     scop       95: use File::Basename        qw(dirname);
3.171     scop       96: use File::Path            qw(rmtree);
3.232     scop       97: use File::Spec::Functions qw(canonpath catdir catfile curdir devnull rootdir
                     98:                              tmpdir updir);
3.225     scop       99: use File::Temp            qw(tempdir tempfile);
3.229     scop      100: use IPC::Run              qw();
3.172     scop      101: use Time::Local           qw(timegm);
3.206     scop      102: use URI::Escape           qw(uri_escape uri_unescape);
3.122     scop      103:
3.222     scop      104: use constant VALID_PATH   => qr/^([[:^cntrl:]]+)$/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: {
3.259     scop      122:   $VERSION = '3.0.1';
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($);
3.156     scop      162: sub getMimeType($;$);
3.24      knu       163: sub head($;$);
                    164: sub scan_directives(@);
3.86      knu       165: sub openOutputFilter();
3.133     scop      166: sub doAnnotate($);
3.12      knu       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($$;$);
                    190: sub display_link($$;$$);
3.170     scop      191: sub graph_link($;$);
3.258     scop      192: sub history_link($$;$);
3.140     scop      193: sub toggleQuery($;$);
3.12      knu       194: sub urlencode($);
3.35      knu       195: sub htmlquote($);
3.36      knu       196: sub htmlunquote($);
3.48      knu       197: sub hrefquote($);
3.163     scop      198: sub http_header(;$$);
                    199: sub html_header($;$);
3.12      knu       200: sub html_footer();
                    201: sub link_tags($);
3.233     scop      202: sub forbidden($);
3.191     scop      203: sub startproc(@);
3.215     scop      204: sub runproc(@);
3.225     scop      205: sub checkout_to_temp($$$);
3.12      knu       206:
3.1       knu       207: ##### Start of Configuration Area ########
3.122     scop      208:
3.142     scop      209: # Get rid of unsafe environment vars.  Don't do this in BEGIN...
                    210: delete(@ENV{qw(PATH IFS CDPATH ENV BASH_ENV)});
3.59      knu       211:
3.172     scop      212: my ($mydir) = (dirname($0) =~ /(.*)/);    # untaint
3.58      knu       213:
3.12      knu       214: # == EDIT this ==
3.28      knu       215: # Locations to search for user configuration, in order:
3.165     scop      216: for (catfile($mydir, 'cvsweb.conf'), '/usr/local/etc/cvsweb/cvsweb.conf') {
                    217:   if (-r $_) {
3.120     scop      218:     $config = $_;
                    219:     last;
                    220:   }
3.11      knu       221: }
3.122     scop      222: undef $mydir;
3.1       knu       223:
                    224: # == Configuration defaults ==
                    225: # Defaults for configuration variables that shouldn't need
                    226: # to be configured..
                    227: $allow_version_select = 1;
3.120     scop      228: $allow_log_extra      = 1;
3.1       knu       229:
                    230: ##### End of Configuration Area   ########
                    231:
                    232: ######## Configuration variables #########
                    233: # These are defined to allow checking with perl -cw
3.120     scop      234:
3.80      knu       235: @CVSrepositories = @CVSROOT = %CVSROOT = %MIRRORS = %DEFAULTVALUE = %ICONS =
3.225     scop      236:   %MTYPES = %tags = %alltags = %fileinfo = %DIFF_COMMANDS = ();
3.120     scop      237:
3.129     scop      238: $cvstreedefault = $logo = $defaulttitle =
3.120     scop      239:   $address = $long_intro = $short_instruction = $shortLogLen = $show_author =
3.131     scop      240:   $tablepadding = $hr_breakable = $showfunc = $hr_ignwhite =
3.129     scop      241:   $hr_ignkeysubst = $inputTextSize = $mime_types = $allow_annotate =
3.218     scop      242:   $allow_markup = $use_java_script = $edit_option_form =
3.144     scop      243:   $show_subdir_lastmod = $show_log_in_markup =
3.163     scop      244:   $tabstop = $use_moddate = $gzip_open = undef;
3.32      knu       245:
3.37      knu       246: @DIFFTYPES = qw(h H u c s);
                    247: @DIFFTYPES{@DIFFTYPES} = (
3.120     scop      248:   {
                    249:     'descr'   => 'colored',
                    250:     'opts'    => ['-u'],
                    251:     'colored' => 1,
                    252:   },
                    253:   {
                    254:     'descr'   => 'long colored',
                    255:     'opts'    => ['--unified=15'],
                    256:     'colored' => 1,
                    257:   },
                    258:   {
                    259:     'descr'   => 'unified',
                    260:     'opts'    => ['-u'],
                    261:     'colored' => 0,
                    262:   },
                    263:   {
                    264:     'descr'   => 'context',
                    265:     'opts'    => ['-c'],
                    266:     'colored' => 0,
                    267:   },
                    268:   {
                    269:     'descr'   => 'side by side',
3.236     scop      270:     # width=168 should be enough to support 80 character line lengths
                    271:     'opts'    => ['--side-by-side', '--width=168'],
3.120     scop      272:     'colored' => 0,
                    273:   },
3.80      knu       274: );
3.37      knu       275:
                    276: @LOGSORTKEYS = qw(cvs date rev);
                    277: @LOGSORTKEYS{@LOGSORTKEYS} = (
3.254     scop      278:   { descr => 'Not sorted',  },
                    279:   { descr => 'Commit date', },
                    280:   { descr => 'Revision',    },
3.80      knu       281: );
3.37      knu       282:
3.1       knu       283: ##### End of configuration variables #####
                    284:
3.264     scop      285: my $pathinfo = '';
                    286: if (defined($ENV{PATH_INFO}) && $ENV{PATH_INFO} ne '') {
3.194     scop      287:   ($pathinfo) = ($ENV{PATH_INFO} =~ VALID_PATH)
                    288:     or fatal('500 Internal Error',
                    289:              'Illegal PATH_INFO in environment: <code>%s</code>',
                    290:              $ENV{PATH_INFO});
                    291: }
                    292: if ($ENV{SCRIPT_NAME}) {
                    293:   ($scriptname) = ($ENV{SCRIPT_NAME} =~ VALID_PATH)
                    294:     or fatal('500 Internal Error',
                    295:              'Illegal SCRIPT_NAME in environment: <code>%s</code>',
                    296:              $ENV{SCRIPT_NAME});
                    297: }
                    298:
                    299: $scriptname    = '' unless defined($scriptname);
                    300:
3.120     scop      301: $where         =  $pathinfo;
3.268     scop      302: $doCheckout    =  $where =~ s|^/$CheckoutMagic/|/|o;
3.120     scop      303: $where         =~ s|^/||;
                    304: $scriptname    =~ s|^/*|/|;
3.63      knu       305:
3.64      knu       306: # Let's workaround thttpd's stupidity..
3.63      knu       307: if ($scriptname =~ m|/$|) {
3.120     scop      308:   $pathinfo .= '/';
                    309:   my $re = quotemeta $pathinfo;
                    310:   $scriptname =~ s/$re$//;
3.63      knu       311: }
                    312:
3.120     scop      313: $scriptwhere  = $scriptname;
3.63      knu       314: $scriptwhere .= '/' . urlencode($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:
3.194     scop      348: # Variables that will be sticky in all constructed links/query strings.
                    349: @stickyvars =
                    350:   qw(cvsroot hideattic ignorecase sortby logsort f only_with_tag ln);
1.1       jfieber   351:
3.227     scop      352: #
                    353: # Load configuration.
                    354: #
3.1       knu       355: if (-f $config) {
3.120     scop      356:   do "$config"
                    357:     or fatal("500 Internal Error",
3.208     scop      358:              'Error in loading configuration file: %s<br /><br />%s<br />',
3.120     scop      359:              $config, $@);
3.27      knu       360: } else {
3.120     scop      361:   fatal("500 Internal Error",
                    362:         'Configuration not found.  Set the variable <code>$config</code> in cvsweb.cgi to your <b>cvsweb.conf</b> configuration file first.');
3.1       knu       363: }
                    364:
3.183     scop      365: # Try to find a readable dir where we can cd into.  Some abs_path()
                    366: # implementations as well as various cvs operations require such a dir to
                    367: # work properly.
                    368: {
                    369:   local $^W = 0;
3.190     scop      370:   if (!-r cwd()) {
                    371:     for my $dir (tmpdir(), rootdir()) {
                    372:       last if (-r $dir && chdir($dir));
                    373:     }
3.183     scop      374:   }
                    375: }
                    376:
3.144     scop      377: $CSS = $cssurl ?
3.208     scop      378:   sprintf("<link rel=\"stylesheet\" type=\"text/css\" href=\"%s\" />\n",
3.144     scop      379:           htmlquote($cssurl)) : '';
                    380:
3.194     scop      381: # --- input parameters
                    382:
3.202     scop      383: my %query = ();
                    384: if (defined($ENV{QUERY_STRING})) {
                    385:   for my $p (split(/[;&]+/, $ENV{QUERY_STRING})) {
                    386:     next unless $p;
                    387:     $p =~ y/+/ /;
                    388:     my ($key, $val) = split(/=/, $p, 2);
                    389:     next unless defined($key);
                    390:     $val = 1 unless defined($val);
3.222     scop      391:     ($key = uri_unescape($key)) =~ /[[:graph:]]/ or next;
                    392:     ($val = uri_unescape($val)) =~ /[[:graph:]]/ or next;
3.202     scop      393:     $query{$key} = $val;
                    394:   }
                    395: }
                    396:
3.1       knu       397: undef %input;
1.10      wosch     398:
3.194     scop      399: my $t;
                    400: for my $p (qw(graph hideattic hidecvsroot hidenonreadable ignorecase ln copt
                    401:               makeimage options tarball)) {
3.202     scop      402:   $t = $query{$p};
                    403:   if (defined($t)) {
3.222     scop      404:     ($input{$p}) = ($t =~ /^([01]|on)$/)
3.194     scop      405:       or fatal('500 Internal Error',
                    406:                'Invalid boolean value: <code>%s=%s</code>', $p, $t);
                    407:   }
                    408: }
                    409: for my $p (qw(annotate r1 r2 rev tr1 tr2)) {
3.202     scop      410:   $t = $query{$p};
                    411:   if (defined($t)) {
3.207     scop      412:     if (($p eq 'r1' || $p eq 'r2') && $t eq 'text') {
                    413:       # Special case for the "Use text field" option in the log view diff form.
                    414:       $input{$p} = $t;
                    415:       next;
3.253     scop      416:     } elsif ($p eq 'rev' && ($t eq '.' || $t eq 'HEAD')) {
                    417:       # Another special case, allow linking to latest revision using these.
                    418:       $input{$p} = '.';
                    419:       next;
3.207     scop      420:     }
3.194     scop      421:     my ($rev, $tag) = split(/:/, $t, 2);
3.251     scop      422:     ($input{$p}) = ($rev =~ /^(\d+(?:\.\d+)*)$/)
3.194     scop      423:       or fatal('500 Internal Error',
                    424:                'Invalid revision: <code>%s=%s</code>', $p, $t);
                    425:     if (defined($tag)) {
                    426:       ($tag) = ($tag =~ VALID_TAG1)
                    427:         or fatal('500 Internal Error',
3.254     scop      428:                  'Invalid tag/branch name in revision: <code>%s=%s</code>',
                    429:                  $p, $t);
3.194     scop      430:       ($tag) = ($tag =~ VALID_TAG2)
                    431:         or fatal('500 Internal Error',
3.254     scop      432:                  'Invalid tag/branch name in revision: <code>%s=%s</code>',
                    433:                  $p, $t);
3.207     scop      434:       $input{$p} .= ':' . $tag;
3.194     scop      435:     }
                    436:   }
                    437: }
3.202     scop      438: $t = defined($query{only_with_tag}) ?
                    439:   $query{only_with_tag} : $query{only_on_branch}; # Backwards compatibility.
                    440: if (defined($t)) {
3.211     scop      441:   ($input{only_with_tag}) = ($t =~ VALID_TAG1)
3.194     scop      442:     or fatal('500 Internal Error',
                    443:              'Invalid tag/branch name: <code>%s</code>', $t);
3.211     scop      444:   ($input{only_with_tag}) = ($t =~ VALID_TAG2)
3.194     scop      445:     or fatal('500 Internal Error',
                    446:              'Invalid tag/branch name: <code>%s</code>', $t);
                    447: }
3.202     scop      448: $t = $query{logsort};
                    449: if (defined($t)) {
3.222     scop      450:   ($input{logsort}) = ($t =~ /^(cvs|date|rev)$/)
3.194     scop      451:     or fatal('500 Internal Error',
                    452:              'Unsupported log sort key: <code>%s</code>', $t);
                    453: }
3.202     scop      454: $t = $query{f};
                    455: if (defined($t)) {
3.225     scop      456:   ($input{f}) = ($t =~ /^(([hH]|[ucs]c?)|ext\d*)$/)
3.194     scop      457:     or fatal('500 Internal Error',
                    458:              'Unsupported diff format: <code>%s</code>', $t);
                    459: }
3.202     scop      460: $t = $query{sortby};
                    461: if (defined($t)) {
3.222     scop      462:   ($input{sortby}) = ($t =~ /^(file|date|rev|author|log)$/)
3.194     scop      463:     or fatal('500 Internal Error',
                    464:              'Unsupported dir sort key: <code>%s</code>', $t);
                    465: }
3.202     scop      466: $t = $query{'content-type'};
                    467: if (defined($t)) {
3.261     scop      468:   ($input{'content-type'}) = ($t =~ m|^([-0-9A-Za-z]+/[-0-9A-Za-z\.]+)$|)
3.194     scop      469:     or fatal('500 Internal Error',
                    470:              'Unsupported content type: <code>%s</code>', $t);
                    471: }
3.202     scop      472: $t = $query{cvsroot};
                    473: if (defined($t)) {
3.222     scop      474:   ($input{cvsroot}) = ($t =~ /^([[:print:]]+)$/)
3.194     scop      475:     or fatal('500 Internal Error',
                    476:              'Invalid symbolic CVS root name: <code>%s</code>', $t);
                    477: }
3.202     scop      478: $t = $query{path};
                    479: if (defined($t)) {
3.194     scop      480:   ($input{path}) = ($t =~ VALID_PATH)
                    481:     or fatal('500 Internal Error',
                    482:              'Invalid path: <code>%s</code>', $t);
3.97      knu       483: }
3.194     scop      484: undef($t);
3.205     scop      485: undef(%query);
3.97      knu       486:
3.194     scop      487: # --- end input parameters
1.10      wosch     488:
3.158     scop      489: #
                    490: # CVS roots
                    491: #
                    492: my $rootfound = 0;
                    493: for (my $i = 0; $i < scalar(@CVSrepositories); $i += 2) {
                    494:   my $key = $CVSrepositories[$i];
3.232     scop      495:   my ($descr, $root) = @{$CVSrepositories[$i+1]};
                    496:   $root = canonpath($root);
                    497:   unless (-d $root) {
                    498:     warn("Root '$root' defined in \@CVSrepositories is not a directory, " .
3.158     scop      499:          'entry ignored');
                    500:     next;
                    501:   }
                    502:   $rootfound ||= 1;
                    503:   $cvstreedefault = $key unless defined($cvstreedefault);
                    504:   $CVSROOTdescr{$key} = $descr;
3.232     scop      505:   $CVSROOT{$key} = $root;
3.158     scop      506:   push(@CVSROOT, $key);
                    507: }
                    508: unless ($rootfound) {
                    509:   fatal('500 Internal Error',
                    510:         'No valid CVS roots found!  See <code>@CVSrepositories</code> in ' .
3.221     scop      511:         'the configuration file (<code>%s</code>).',
3.158     scop      512:         $config);
                    513: }
                    514: undef $rootfound;
                    515:
                    516: #
                    517: # Default CVS root
                    518: #
                    519: if (!defined($CVSROOT{$cvstreedefault})) {
                    520:   fatal("500 Internal Error",
                    521:         '<code>$cvstreedefault</code> points to a repository (%s) not ' .
                    522:         'defined in <code>@CVSrepositories</code> in your configuration ' .
                    523:         'file (<code>%s</code>).',
                    524:         $cvstreedefault,
                    525:         $config);
                    526: }
                    527:
3.254     scop      528: $DEFAULTVALUE{cvsroot} = $cvstreedefault;
1.10      wosch     529:
3.120     scop      530: while (my ($key, $defval) = each %DEFAULTVALUE) {
3.80      knu       531:
3.120     scop      532:   # Replace not given parameters with defaults.
3.194     scop      533:   next unless (defined($defval) && $defval =~ /\S/ && !defined($input{$key}));
3.120     scop      534:
                    535:   # Empty checkboxes in forms return nothing, so we define a helper variable
                    536:   # in these forms (copt) which indicates that we just set parameters with a
                    537:   # checkbox.
3.194     scop      538:   if ($input{copt}) {
3.120     scop      539:
3.194     scop      540:     # 'copt' is set -> the result of empty input checkbox
3.120     scop      541:     # -> set to zero (disable) if default is a boolean (0|1).
                    542:     $input{$key} = 0 if ($defval eq '0' || $defval eq '1');
                    543:
                    544:   } else {
                    545:
3.194     scop      546:     # 'copt' isn't set --> empty input is not the result
3.120     scop      547:     # of empty input checkbox --> set default.
                    548:     $input{$key} = $defval;
                    549:   }
1.10      wosch     550: }
3.12      knu       551:
3.1       knu       552: $barequery = "";
3.31      knu       553: my @barequery;
3.1       knu       554: foreach (@stickyvars) {
3.80      knu       555:
3.120     scop      556:   # construct a query string with the sticky non default parameters set
                    557:   if (defined($input{$_})
                    558:       && !(defined($DEFAULTVALUE{$_}) && $input{$_} eq $DEFAULTVALUE{$_}))
                    559:   {
3.206     scop      560:     push(@barequery, join('=', uri_escape($_), uri_escape($input{$_})));
3.120     scop      561:   }
3.1       knu       562: }
3.80      knu       563:
3.168     scop      564: if ($allow_enscript) {
                    565:   push(@DIFFTYPES, qw(uc cc sc));
                    566:   @DIFFTYPES{qw(uc cc sc)} = (
                    567:     {
                    568:      'descr'   => 'unified, colored',
                    569:      'opts'    => ['-u'],
                    570:      'colored' => 0,
                    571:     },
                    572:     {
                    573:      'descr'   => 'context, colored',
                    574:      'opts'    => ['-c'],
                    575:      'colored' => 0,
                    576:     },
                    577:     {
                    578:      'descr'   => 'side by side, colored',
3.238     scop      579:      # width=168 should be enough to support 80 character line lengths
                    580:      'opts'    => ['--side-by-side', '--width=168'],
3.168     scop      581:      'colored' => 0,
                    582:     },
                    583:   );
                    584: } else {
                    585:   # No Enscript -> respect difftype, but don't offer colorization.
                    586:   if ($input{f} && $input{f} =~ /^([ucs])c$/) {
                    587:     $input{f} = $1;
                    588:   }
                    589: }
                    590:
3.1       knu       591: # is there any query ?
3.31      knu       592: if (@barequery) {
3.203     scop      593:   $barequery = join (';', @barequery);
3.120     scop      594:   $query     = "?$barequery";
3.203     scop      595:   $barequery = ";$barequery";
3.80      knu       596: } else {
3.120     scop      597:   $query = "";
3.1       knu       598: }
3.31      knu       599: undef @barequery;
3.1       knu       600:
3.254     scop      601: if (defined($input{path})) {
3.120     scop      602:   redirect("$scriptname/$input{path}$query");
3.57      knu       603: }
                    604:
3.1       knu       605: # get actual parameters
3.144     scop      606: {
                    607:   my $sortby = $input{sortby} || 'file';
                    608:   $bydate    = 0;
                    609:   $byrev     = 0;
                    610:   $byauthor  = 0;
                    611:   $bylog     = 0;
                    612:   $byfile    = 0;
                    613:   if ($sortby eq 'date') {
                    614:     $bydate = 1;
                    615:   } elsif ($sortby eq 'rev') {
                    616:     $byrev = 1;
                    617:   } elsif ($sortby eq 'author') {
                    618:     $byauthor = 1;
                    619:   } elsif ($sortby eq 'log') {
                    620:     $bylog = 1;
                    621:   } else {
                    622:     $byfile = 1;
                    623:   }
3.1       knu       624: }
                    625:
3.254     scop      626: $defaultDiffType = $input{f};
3.1       knu       627:
3.254     scop      628: $logsort = $input{logsort};
3.1       knu       629:
                    630: # alternate CVS-Tree, configured in cvsweb.conf
3.254     scop      631: if ($input{cvsroot} && $CVSROOT{$input{cvsroot}}) {
                    632:   $cvstree = $input{cvsroot};
3.1       knu       633: } else {
3.120     scop      634:   $cvstree = $cvstreedefault;
1.10      wosch     635: }
                    636:
3.1       knu       637: $cvsroot = $CVSROOT{$cvstree};
1.10      wosch     638:
3.1       knu       639: # create icons out of description
3.120     scop      640: foreach my $k (keys %ICONS) {
                    641:   my ($itxt, $ipath, $iwidth, $iheight) = @{$ICONS{$k}};
                    642:   no strict 'refs';
                    643:   if ($ipath) {
                    644:     ${"${k}icon"} =
3.208     scop      645:       sprintf('<img src="%s" alt="%s" border="0" width="%d" height="%d" />',
3.132     scop      646:               hrefquote($ipath), htmlquote($itxt), $iwidth, $iheight);
3.120     scop      647:   } else {
                    648:     ${"${k}icon"} = $itxt;
                    649:   }
1.24      wosch     650: }
                    651:
3.27      knu       652: my $config_cvstree = "$config-$cvstree";
                    653:
3.1       knu       654: # Do some special configuration for cvstrees
3.27      knu       655: if (-f $config_cvstree) {
3.120     scop      656:   do "$config_cvstree"
                    657:     or fatal("500 Internal Error",
3.208     scop      658:              'Error in loading configuration file: %s<br /><br />%s<br />',
3.120     scop      659:              $config_cvstree, $@);
3.27      knu       660: }
3.31      knu       661: undef $config_cvstree;
3.1       knu       662:
3.120     scop      663: $re_prcategories  = '(?:' . join ('|', @prcategories) . ')' if @prcategories;
                    664: $re_prkeyword     = quotemeta($prkeyword) if defined($prkeyword);
                    665: $prcgi           .= '%s' if defined($prcgi) && $prcgi !~ /%s/;
1.24      wosch     666:
3.233     scop      667: $fullname         = catfile($cvsroot, $where);
3.1       knu       668:
3.63      knu       669: my $rewrite = 0;
                    670: if ($pathinfo =~ m|//|) {
3.120     scop      671:   $pathinfo =~ y|/|/|s;
                    672:   $rewrite = 1;
3.63      knu       673: }
3.120     scop      674: if (-d $fullname) {
                    675:   if ($pathinfo !~ m|/$|) {
                    676:     $pathinfo .= '/';
                    677:     $rewrite   = 1;
                    678:   }
3.268     scop      679: } elsif ($pathinfo =~ m|/$|) {
                    680:   chop $pathinfo;
                    681:   $rewrite = 1;
3.63      knu       682: }
                    683: if ($rewrite) {
3.269     scop      684:   redirect($scriptname . urlencode($pathinfo) . $query, 1);
3.1       knu       685: }
3.268     scop      686: undef $rewrite;
3.1       knu       687:
3.264     scop      688: undef $pathinfo;
3.63      knu       689:
3.1       knu       690: if (!-d $cvsroot) {
3.120     scop      691:   fatal("500 Internal Error",
                    692:         '$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       693: }
                    694:
                    695: #
3.233     scop      696: # Short-circuit forbidden things.  Note that $fullname should not change
                    697: # after this, because the rest of the code assumes this check has already
                    698: # been done.
3.1       knu       699: #
3.233     scop      700: fatal('403 Forbidden', 'Access to %s forbidden.', $where)
                    701:   if forbidden($fullname);
3.46      knu       702:
                    703: #
                    704: # Handle tarball downloads before any headers are output.
                    705: #
                    706: if ($input{tarball}) {
3.120     scop      707:   fatal('403 Forbidden', 'Downloading tarballs is prohibited.')
                    708:     unless $allow_tar;
3.191     scop      709:
3.120     scop      710:   my ($module)  =  ($where =~ m,^/?(.*),);    # untaint
                    711:   $module       =~ s,/([^/]*)$,,;
3.191     scop      712:   my ($ext)     =  ($1 =~ /(\.t(?:ar\.)?gz|\.zip)$/);
3.120     scop      713:   my ($basedir) =  ($module =~ m,([^/]+)$,);
                    714:
                    715:   if ($basedir eq '' || $module eq '') {
                    716:     fatal('500 Internal Error',
                    717:           'You cannot download the top level directory.');
                    718:   }
                    719:
3.191     scop      720:   my $istar = ($ext eq '.tar.gz' || $ext eq '.tgz');
                    721:   if ($istar) {
                    722:     fatal('500 Internal Error', 'tar command not found.') unless $CMD{tar};
                    723:     fatal('500 Internal Error', 'gzip command not found.') unless $CMD{gzip};
                    724:   }
                    725:   my $iszip = ($ext eq '.zip');
                    726:   if ($iszip && !$CMD{zip}) {
                    727:     fatal('500 Internal Error', 'zip command not found.');
                    728:   }
3.215     scop      729:   if (!$istar && !$iszip) {
                    730:     fatal('500 Internal Error', 'Unsupported archive type.');
                    731:   }
3.191     scop      732:
3.138     scop      733:   my $tmpexportdir;
                    734:   eval {
                    735:     local $SIG{__DIE__};
3.171     scop      736:     # Don't use the CLEANUP argument to tempdir() here, since we might be under
                    737:     # mod_perl (the process runs for a long time), unlink explicitly later.
                    738:     $tmpexportdir = tempdir('.cvsweb.XXXXXXXX', TMPDIR => 1);
3.138     scop      739:   };
                    740:   if ($@) {
                    741:     fatal('500 Internal Error', 'Unable to make temporary directory: %s', $@);
                    742:   }
3.191     scop      743:   if (!chdir($tmpexportdir)) {
                    744:     fatal('500 Internal Error',
                    745:           "Can't cd to temporary directory %s: %s", $tmpexportdir, $!);
                    746:   }
3.120     scop      747:
                    748:   my @fatal;
3.194     scop      749:   my $tag = $input{only_with_tag} || 'HEAD';
                    750:   $tag = 'HEAD' if ($tag eq 'MAIN');
3.120     scop      751:
3.215     scop      752:   my @cmd =
3.241     scop      753:     ($CMD{cvs}, @cvs_options, '-Qd', $cvsroot, 'export', '-r', $tag,
                    754:      '-d', $basedir, $module);
3.215     scop      755:   my $export_err;
                    756:   my ($errcode, $err) = runproc(\@cmd, '2>', \$export_err);
                    757:   if ($errcode) {
                    758:     @fatal =
                    759:       ('500 Internal Error',
                    760:        'Export failure (exit status %s), output: <pre>%s</pre>',
                    761:        $errcode, $err || $export_err);
3.191     scop      762:
3.215     scop      763:   } else {
3.191     scop      764:
3.120     scop      765:     $| = 1;    # Essential to get the buffering right.
3.191     scop      766:     local (*TAR_OUT);
3.120     scop      767:
3.191     scop      768:     my (@cmd, $ctype);
                    769:     if ($istar) {
                    770:       my @tar = ($CMD{tar}, @tar_options, '-cf', '-', $basedir);
                    771:       my @gzip = ($CMD{gzip}, @gzip_options, '-c');
                    772:       push(@cmd, \@tar, '|', \@gzip);
                    773:       $ctype = 'application/x-gzip';
                    774:     } elsif ($iszip) {
                    775:       my @zip = ($CMD{zip}, @zip_options, '-r', '-', $basedir);
                    776:       push(@cmd, \@zip, \'');
                    777:       $ctype = 'application/zip';
                    778:     }
3.229     scop      779:     push(@cmd, '>pipe', \*TAR_OUT);
3.191     scop      780:
                    781:     my ($h, $err) = startproc(@cmd);
                    782:     if ($h) {
                    783:       print "Content-Type: $ctype\r\n\r\n";
                    784:       local $/ = undef;
                    785:       print <TAR_OUT>;
3.229     scop      786:       $h->finish();
3.120     scop      787:     } else {
3.215     scop      788:       @fatal = ('500 Internal Error',
                    789:                 '%s failure (exit status %s), output: <pre>%s</pre>',
                    790:                 $istar ? 'Tar' : 'Zip', $? >> 8 || -1, $err);
3.120     scop      791:     }
                    792:   }
3.46      knu       793:
3.171     scop      794:   # Clean up.
                    795:   rmtree($tmpexportdir);
3.46      knu       796:
3.120     scop      797:   &fatal(@fatal) if @fatal;
3.46      knu       798:
3.120     scop      799:   exit;
3.46      knu       800: }
                    801:
3.1       knu       802: ##############################
                    803: # View a directory
                    804: ###############################
3.46      knu       805: if (-d $fullname) {
3.233     scop      806:
3.120     scop      807:   my $dh = do { local (*DH); };
                    808:   opendir($dh, $fullname) or fatal("404 Not Found", '%s: %s', $where, $!);
3.233     scop      809:   my @dir = grep(!forbidden(catfile($fullname, $_)), readdir($dh));
3.120     scop      810:   closedir($dh);
                    811:   my @subLevelFiles = findLastModifiedSubdirs(@dir)
                    812:     if ($show_subdir_lastmod);
3.150     scop      813:   my @unreadable = getDirLogs($cvsroot, $where, @subLevelFiles);
3.120     scop      814:
                    815:   if ($where eq '/') {
                    816:     html_header($defaulttitle);
                    817:     $long_intro =~ s/!!CVSROOTdescr!!/$CVSROOTdescr{$cvstree}/g;
                    818:     print $long_intro;
                    819:   } else {
                    820:     html_header($where);
3.212     scop      821:     my $html = (-f catfile($fullname, 'README.cvs.html,v') ||
                    822:                 -f catfile($fullname, 'Attic', 'README.cvs.html,v'));
                    823:     my $text = (!$html &&
                    824:                 (-f catfile($fullname, 'README.cvs,v') ||
                    825:                  -f catfile($fullname, 'Attic', 'README.cvs,v')));
                    826:     if ($html || $text) {
                    827:       my $rev = $input{only_with_tag} || 'HEAD';
                    828:       my $cr = abs_path($cvsroot) || $cvsroot;
                    829:       my $co = "$where/README.cvs.html" if $html;
                    830:       $co ||= "$where/README.cvs" if $text;
                    831:       # abs_path() taints when run as a CGI...
                    832:       if ($cr =~ VALID_PATH) {
                    833:         $cr = $1;
                    834:       } else {
                    835:         fatal('500 Internal Error', 'Illegal CVS root: <code>%s</code>', $cr);
                    836:       }
                    837:       my @cmd = ($CMD{cvs}, @cvs_options, '-d', $cr, 'co', '-p', "-r$rev",$co);
                    838:       local (*CVS_OUT, *CVS_ERR);
                    839:       my ($h, $err) = startproc(\@cmd, \"", '>pipe', \*CVS_OUT,
3.229     scop      840:                                 '2>pipe', \*CVS_ERR);
3.212     scop      841:       fatal('500 Internal Error', $err) unless $h;
                    842:       if ($html) {
                    843:         local $/ = undef;
                    844:         print <CVS_OUT>;
                    845:       } else {
                    846:         print "<p>\n";
                    847:         while (<CVS_OUT>) {
                    848:           chomp;
                    849:           print htmlquote($_), '<br />';
                    850:         }
                    851:         print "</p>";
                    852:       }
3.229     scop      853:       $h->finish();
3.212     scop      854:     }
3.120     scop      855:     print $short_instruction;
                    856:   }
                    857:
3.165     scop      858:   if ($use_descriptions &&
3.268     scop      859:       open(DESC, catfile($cvsroot, 'CVSROOT', 'descriptions'))) {
3.120     scop      860:     while (<DESC>) {
                    861:       chomp;
                    862:       my ($dir, $description) = /(\S+)\s+(.*)/;
                    863:       $descriptions{$dir} = $description;
                    864:     }
                    865:     close(DESC);
                    866:   }
                    867:
                    868:   print "<p><a name=\"dirlist\"></a></p>\n";
                    869:
                    870:   # give direct access to dirs
                    871:   if ($where eq '/') {
                    872:     chooseMirror();
                    873:     chooseCVSRoot();
3.268     scop      874:
3.120     scop      875:   } else {
3.257     scop      876:     print '<p>Current directory: <b>', clickablePath($where, 0), '</b>';
                    877:     if ($cvshistory_url) {
                    878:       (my $d = $where) =~ s|^/*(.*?)/*$|$1|;
3.258     scop      879:       print ' - ', history_link($d, '');
3.257     scop      880:     }
                    881:     print "</p>\n";
3.153     scop      882:     print "<p>Current tag: <b>", htmlquote($input{only_with_tag}), "</b></p>\n"
3.120     scop      883:       if $input{only_with_tag};
                    884:   }
                    885:
3.208     scop      886:   print "<hr />\n";
3.120     scop      887:
3.179     scop      888:   my $infocols = 1;
3.131     scop      889:
3.265     scop      890:   printf(<<EOF, 'Directory index of ' . htmlquote($where));
3.182     scop      891: <table class="dir" width="100%%" cellspacing="0" cellpadding="$tablepadding" summary="%s">
3.179     scop      892: <tr>
                    893: EOF
3.199     scop      894:   printf('<th colspan="2"%s>', ($byfile ? ' class="sorted"' : ''));
3.131     scop      895:
                    896:   if ($byfile) {
                    897:     print 'File';
                    898:   } else {
                    899:     print &link('File',
                    900:                 sprintf('./%s#dirlist', toggleQuery('sortby', 'file')));
                    901:   }
                    902:   print "</th>\n";
3.120     scop      903:
3.131     scop      904:   # Do not display the other column headers if we do not have any files
                    905:   # with revision information.
                    906:   if (scalar(%fileinfo)) {
3.120     scop      907:     $infocols++;
3.199     scop      908:     printf('<th%s>', ($byrev ? ' class="sorted"' : ''));
3.120     scop      909:
3.131     scop      910:     if ($byrev) {
                    911:       print 'Rev.';
3.120     scop      912:     } else {
3.131     scop      913:       print &link('Rev.',
                    914:                   sprintf('./%s#dirlist', toggleQuery('sortby', 'rev')));
3.120     scop      915:     }
                    916:     print "</th>\n";
3.131     scop      917:     $infocols++;
3.199     scop      918:     printf('<th%s>', ($bydate ? ' class="sorted"' : ''));
3.120     scop      919:
3.131     scop      920:     if ($bydate) {
                    921:       print 'Age';
                    922:     } else {
                    923:       print &link('Age',
                    924:                   sprintf('./%s#dirlist', toggleQuery('sortby', 'date')));
                    925:     }
                    926:     print "</th>\n";
3.120     scop      927:
3.131     scop      928:     if ($show_author) {
3.120     scop      929:       $infocols++;
3.199     scop      930:       printf('<th%s>', ($byauthor ? ' class="sorted"' : ''));
3.120     scop      931:
3.131     scop      932:       if ($byauthor) {
                    933:         print 'Author';
3.120     scop      934:       } else {
3.131     scop      935:         print
                    936:           &link('Author',
                    937:                 sprintf('./%s#dirlist', toggleQuery('sortby', 'author')));
3.120     scop      938:       }
                    939:       print "</th>\n";
3.131     scop      940:     }
                    941:     $infocols++;
3.199     scop      942:     printf('<th%s>', ($bylog ? ' class="sorted"' : ''));
3.120     scop      943:
3.131     scop      944:     if ($bylog) {
                    945:       print 'Last log entry';
                    946:     } else {
                    947:       print &link('Last log entry',
                    948:                   sprintf('./%s#dirlist', toggleQuery('sortby', 'log')));
3.120     scop      949:     }
3.131     scop      950:     print "</th>\n";
                    951:   } elsif ($use_descriptions) {
3.199     scop      952:     print "<th>Description</th>\n";
3.131     scop      953:     $infocols++;
3.120     scop      954:   }
3.131     scop      955:   print "</tr>\n";
                    956:
3.120     scop      957:   my $dirrow = 0;
                    958:
                    959:   my $i;
                    960:   lookingforattic:
                    961:   for ($i = 0; $i <= $#dir; $i++) {
                    962:     if ($dir[$i] eq "Attic") {
                    963:       last lookingforattic;
                    964:     }
                    965:   }
                    966:
3.254     scop      967:   if (!$input{hideattic}
3.120     scop      968:       && ($i <= $#dir)
                    969:       && opendir($dh, $fullname . '/Attic'))
                    970:   {
                    971:     splice(@dir, $i, 1, grep((s|^|Attic/|, !m|/\.|), readdir($dh)));
                    972:     closedir($dh);
                    973:   }
                    974:
                    975:   my $hideAtticToggleLink =
3.254     scop      976:     $input{hideattic}
3.120     scop      977:     ? ''
3.239     scop      978:     : &link('[hide]', sprintf('./%s#dirlist', &toggleQuery('hideattic')));
3.120     scop      979:
                    980:   # Sort without the Attic/ pathname.
                    981:   # place directories first
                    982:
                    983:   my $filesexists;
                    984:   my $filesfound;
                    985:
                    986:   foreach my $file (sort { &fileSortCmp } @dir) {
                    987:
3.196     scop      988:     next if ($file eq curdir());
3.120     scop      989:
                    990:     # ignore CVS lock and stale NFS files
                    991:     next if ($file =~ /^\#cvs\.|^,|^\.nfs/); # \# for XEmacs cperl-mode...
                    992:
                    993:     # Check whether to show the CVSROOT path
3.254     scop      994:     next if ($input{hidecvsroot} && $where eq '/' && $file eq 'CVSROOT');
3.120     scop      995:
3.150     scop      996:     # Is it a directory?
3.232     scop      997:     my $isdir = -d catdir($fullname, $file);
3.150     scop      998:
                    999:     # Ignore non-readable files and directories?
3.254     scop     1000:     next if ($input{hidenonreadable} && (! -r _ || ($isdir && ! -x _)));
3.120     scop     1001:
3.268     scop     1002:     my $attic = '';
3.120     scop     1003:     if ($file =~ s|^Attic/||) {
3.239     scop     1004:       $attic = ' <span class="attic">(in the Attic) ' .
                   1005:         $hideAtticToggleLink . '</span>';
3.120     scop     1006:     }
                   1007:
3.196     scop     1008:     if ($file eq updir() || $isdir) {
                   1009:       next if ($file eq updir() && $where eq '/');
3.152     scop     1010:       my ($rev, $date, $log, $author, $filename, $keywordsubst) =
                   1011:         @{$fileinfo{$file}} if (defined($fileinfo{$file}));
3.239     scop     1012:       printf "<tr class=\"%s\">\n<td class=\"dir\" colspan=\"2\">",
3.132     scop     1013:         ($dirrow % 2) ? 'even' : 'odd';
3.120     scop     1014:
3.196     scop     1015:       if ($file eq updir()) {
3.268     scop     1016:         my $url = "../$query";
3.261     scop     1017:         print $nofilelinks ? $backicon : &link($backicon, $url);
3.120     scop     1018:         print '&nbsp;', &link("Parent Directory", $url);
3.261     scop     1019:
3.120     scop     1020:       } else {
3.268     scop     1021:         my $url = './' . urlencode($file) . "/$query";
3.136     scop     1022:         print '<a name="', hrefquote($file), '"></a>';
3.261     scop     1023:         print $nofilelinks ? $diricon : &link($diricon, $url);
3.136     scop     1024:         print '&nbsp;', &link(htmlquote("$file/"), $url), $attic;
3.120     scop     1025:         if ($file eq "Attic") {
3.239     scop     1026:           print ' <span class="attic">',
                   1027:             &link('[show]',
                   1028:                   sprintf('./%s#dirlist', &toggleQuery('hideattic'))),
                   1029:                     '</span>';
3.120     scop     1030:         }
                   1031:       }
                   1032:
                   1033:       # Show last change in dir
                   1034:       if ($filename) {
3.199     scop     1035:         print "</td>\n<td>&nbsp;</td>\n<td class=\"age\">";
                   1036:         print readableTime(time() - $date, 0) if $date;
                   1037:         print "</td>\n<td class=\"author\">", htmlquote($author)
                   1038:           if $show_author;
                   1039:         print "</td>\n<td class=\"log\">";
3.120     scop     1040:         $filename =~ s%^[^/]+/%%;
3.199     scop     1041:         print &link(htmlquote("$filename/$rev"),
                   1042:                     sprintf('%s/%s%s#rev%s',
3.206     scop     1043:                             uri_escape($file), uri_escape($filename),
3.208     scop     1044:                             $query, $rev)), '<br />';
3.120     scop     1045:         if ($log) {
3.199     scop     1046:           print htmlify(substr($log, 0, $shortLogLen), $allow_dir_extra);
3.120     scop     1047:           print '...' if (length($log) > 80);
                   1048:         }
3.199     scop     1049:
3.120     scop     1050:       } else {
                   1051:         my $dwhere = ($where ne '/' ? $where : '') . $file;
                   1052:
                   1053:         if ($use_descriptions && defined $descriptions{$dwhere}) {
3.199     scop     1054:           print '<td colspan="', ($infocols - 1), '">';
3.120     scop     1055:           print $descriptions{$dwhere};
                   1056:
3.131     scop     1057:         } elsif ($infocols > 1) {
3.120     scop     1058:
                   1059:           # close the row with the appropriate number of
                   1060:           # columns, so that the vertical seperators are visible
                   1061:           my ($cols) = $infocols;
                   1062:           while ($cols > 1) {
                   1063:             print "</td>\n<td>&nbsp;";
                   1064:             $cols--;
                   1065:           }
                   1066:         }
                   1067:       }
                   1068:
3.131     scop     1069:       print "</td>\n</tr>\n";
3.120     scop     1070:       $dirrow++;
3.131     scop     1071:
3.120     scop     1072:     } elsif ($file =~ s/,v$//) {
                   1073:
3.268     scop     1074:       my $fileurl = ($attic ? 'Attic/' : '') . urlencode($file);
                   1075:       my $url     = './' . $fileurl . $query;
3.120     scop     1076:       $filesexists++;
                   1077:       next if (!defined($fileinfo{$file}));
3.152     scop     1078:       my ($rev, $date, $log, $author, $filename, $keywordsubst) =
                   1079:         @{$fileinfo{$file}};
3.156     scop     1080:       my $isbinary = $keywordsubst eq 'b' ? 1 : 0;
3.120     scop     1081:       $filesfound++;
3.156     scop     1082:
3.199     scop     1083:       printf "<tr class=\"%s\">\n", ($dirrow % 2) ? 'even' : 'odd';
3.239     scop     1084:       printf '<td class="file"%s>', $allow_cvsgraph ? '' : ' colspan="2"';
3.120     scop     1085:
3.156     scop     1086:       my $icon = $isbinary ? $binfileicon : $fileicon;
3.261     scop     1087:       print $nofilelinks ? $icon : &link($icon, $url);
3.120     scop     1088:       print '&nbsp;', &link(htmlquote($file), $url), $attic;
3.199     scop     1089:       print '</td><td class="graph">', graph_link($fileurl) if $allow_cvsgraph;
3.219     scop     1090:       print "</td>\n<td width=\"30\">", display_link($fileurl, $rev);
3.199     scop     1091:       print "</td>\n<td class=\"age\">";
                   1092:       print readableTime(time() - $date, 0) if $date;
                   1093:       print "</td>\n<td class=\"author\">", htmlquote($author) if $show_author;
                   1094:       print "</td>\n<td class=\"log\">";
3.120     scop     1095:
                   1096:       if ($log) {
3.199     scop     1097:         print htmlify(substr($log, 0, $shortLogLen), $allow_dir_extra);
3.120     scop     1098:         print '...' if (length $log > 80);
                   1099:       }
3.131     scop     1100:       print "</td>\n</tr>";
3.120     scop     1101:       $dirrow++;
                   1102:     }
                   1103:     print "\n";
                   1104:   }
                   1105:
3.131     scop     1106:   print "</table>\n";
3.120     scop     1107:
3.150     scop     1108:   if ((my $num = scalar(@unreadable)) && ! $input{hidenonreadable}) {
                   1109:     printf(<<EOF, $num, htmlquote(join(', ', @unreadable)));
                   1110: <p>
3.208     scop     1111:  <b>NOTE:</b> The following %d unreadable files were ignored:<br />
3.150     scop     1112:  <em>%s</em>
                   1113: </p>
                   1114: EOF
                   1115:   }
                   1116:
3.120     scop     1117:   if ($filesexists && !$filesfound) {
3.150     scop     1118:     my $currtag = defined($input{only_with_tag}) ?
                   1119:       sprintf(' (%s)', htmlquote($input{only_with_tag})) : '';
                   1120:     printf(<<EOF, $filesexists, $currtag);
                   1121: <p>
                   1122:  <b>NOTE:</b> There are %d files, but none matches the current tag%s.
                   1123: </p>
                   1124: EOF
3.120     scop     1125:   }
                   1126:
                   1127:   if ($input{only_with_tag} && (!%tags || !$tags{$input{only_with_tag}})) {
                   1128:     %tags = %alltags;
                   1129:   }
                   1130:
                   1131:   if (scalar %tags
                   1132:       || $input{only_with_tag}
                   1133:       || $edit_option_form
3.254     scop     1134:       || defined($input{options}))
3.120     scop     1135:   {
3.208     scop     1136:     print "<hr />\n";
3.120     scop     1137:   }
                   1138:
                   1139:   if (scalar %tags || $input{only_with_tag}) {
3.208     scop     1140:     print "<form method=\"get\" action=\"./\">\n<p>\n";
3.120     scop     1141:     foreach my $var (@stickyvars) {
3.208     scop     1142:       printf("<input type=\"hidden\" name=\"$var\" value=\"%s\" />\n",
3.154     scop     1143:              htmlquote($input{$var}))
3.120     scop     1144:         if (defined($input{$var})
                   1145:             && (!defined($DEFAULTVALUE{$var})
                   1146:                 || $input{$var} ne $DEFAULTVALUE{$var})
                   1147:             && $var ne 'only_with_tag');
                   1148:     }
3.208     scop     1149:     printf(<<EOF, ($use_java_script ? ' onchange="this.form.submit()"' : ''));
3.239     scop     1150: <span class="nowrap">
3.208     scop     1151: <label for="only_with_tag" accesskey="T">Show only files with tag:
                   1152: <select id="only_with_tag" name="only_with_tag"%s>
                   1153: <option value="">All tags / default branch</option>
                   1154: EOF
3.120     scop     1155:     foreach my $tag (reverse sort { lc $a cmp lc $b } keys %tags) {
3.136     scop     1156:       my $selected =
                   1157:         defined($input{only_with_tag}) && $input{only_with_tag} eq $tag;
                   1158:       printf("<option%s>%s</option>\n",
3.208     scop     1159:              $selected ? ' selected="selected"' : '',
3.136     scop     1160:              htmlquote($tag));
3.120     scop     1161:     }
3.208     scop     1162:     printf(<<EOF, htmlquote($where));
                   1163: </select>
3.239     scop     1164: </label></span> <span class="nowrap">
                   1165: <label for="path" accesskey="P">Module path or alias:
3.208     scop     1166: <input type="text" id="path" name="path" value="%s" size="15" /></label>
3.239     scop     1167: </span>
3.208     scop     1168: <input type="submit" value="Go" accesskey="G" />
                   1169: </p>
                   1170: </form>
                   1171: EOF
3.120     scop     1172:   }
                   1173:
3.188     scop     1174:   if ($allow_tar && $filesfound) {
3.120     scop     1175:     my ($basefile) = ($where =~ m,(?:.*/)?([^/]+),);
3.192     scop     1176:     my $havetar = $CMD{tar} && $CMD{gzip};
                   1177:     my $havezip = $CMD{zip};
                   1178:     if (defined($basefile) && $basefile ne '' && ($havetar || $havezip)) {
3.203     scop     1179:       my $q = ($query ? "$query;" : '?') . 'tarball=1';
3.208     scop     1180:       print "<hr />\n",
3.189     scop     1181:         '<div style="text-align: center">Download this directory in ';
3.192     scop     1182:       # Mangle the filename so browsers show a reasonable filename to download.
                   1183:       my @types = ();
                   1184:       push(@types, &link('tarball', "$basefile.tar.gz$q")) if $havetar;
                   1185:       push(@types, &link('zip archive', "$basefile.zip$q")) if $havezip;
                   1186:       print join(' or ', @types), "</div>\n";
3.120     scop     1187:     }
                   1188:   }
                   1189:
3.254     scop     1190:   if ($edit_option_form || defined($input{options})) {
3.120     scop     1191:
3.149     scop     1192:     print <<EOF;
3.270   ! scop     1193: <form method="get" action="./">
3.189     scop     1194: <fieldset>
                   1195: <legend>General options</legend>
3.208     scop     1196: <input type="hidden" name="copt" value="1" />
3.149     scop     1197: EOF
3.120     scop     1198:     if ($cvstree ne $cvstreedefault) {
3.208     scop     1199:       print "<input type=\"hidden\" name=\"cvsroot\" value=\"$cvstree\" />\n";
3.120     scop     1200:     }
3.149     scop     1201:     print <<EOF;
3.265     scop     1202: <table summary="General options">
3.149     scop     1203: <tr>
3.189     scop     1204: <td class="opt-label">
                   1205: <label for="sortby" accesskey="F">Sort files by:</label>
                   1206: </td>
                   1207: <td class="opt-value">
3.149     scop     1208: <select id="sortby" name="sortby">
                   1209: <option value="">File</option>
                   1210: EOF
3.208     scop     1211:     print "<option", $bydate ? ' selected="selected"' : '',
3.120     scop     1212:       " value=\"date\">Age</option>\n";
3.208     scop     1213:     print "<option", $byauthor ? ' selected="selected"' : '',
3.120     scop     1214:       " value=\"author\">Author</option>\n"
3.140     scop     1215:         if $show_author;
3.208     scop     1216:     print "<option", $byrev ? ' selected="selected"' : '',
3.120     scop     1217:       " value=\"rev\">Revision</option>\n";
3.208     scop     1218:     print "<option", $bylog ? ' selected="selected"' : '',
3.120     scop     1219:       " value=\"log\">Log message</option>\n";
3.189     scop     1220:     print <<EOF;
                   1221: </select>,
                   1222: <label for="ignorecase" accesskey="I">case-insensitive:
                   1223: EOF
                   1224:     print '<input id="ignorecase" name="ignorecase" type="checkbox"',
3.208     scop     1225:       $input{ignorecase} ? ' checked="checked"' : '',
                   1226:         " value=\"1\" /></label>\n";
3.189     scop     1227:     print <<EOF;
                   1228: </td>
                   1229: <td class="opt-label">
                   1230: <label for="hideattic" accesskey="A">Hide files in Attic:</label>
                   1231: </td>
                   1232: <td class="opt-value">
                   1233: EOF
                   1234:     print '<input id="hideattic" name="hideattic" type="checkbox"',
3.208     scop     1235:       $input{hideattic} ? ' checked="checked"' : '', ' value="1" />';
3.189     scop     1236:     print <<EOF;
                   1237: </td>
                   1238: </tr>
                   1239: <tr>
                   1240: <td class="opt-label">
                   1241: <label for="logsort" accesskey="L">Sort log by:</label>
                   1242: </td>
                   1243: <td class="opt-value">
                   1244: EOF
3.120     scop     1245:     printLogSortSelect(0);
3.189     scop     1246:     print <<EOF;
                   1247: </td>
                   1248: <td class="opt-label">
                   1249: <label for="ln" accesskey="N">Show line numbers:</label>
                   1250: </td>
                   1251: <td class="opt-value">
                   1252: EOF
                   1253:     print '<input id="ln" name="ln" type="checkbox"',
3.208     scop     1254:       $input{ln} ? ' checked="checked"' : '', " value=\"1\" />\n";
3.189     scop     1255:     print <<EOF;
                   1256: </td>
                   1257: </tr>
                   1258: <tr>
                   1259: <td class="opt-label">
                   1260: <label for="f" accesskey="D">Diff format:</label>
                   1261: </td>
                   1262: <td>
                   1263: EOF
3.120     scop     1264:     printDiffSelect(0);
3.149     scop     1265:     print <<EOF;
3.189     scop     1266: </td>
                   1267: <td colspan="2" class="opt-label">
3.208     scop     1268: <input type="submit" value="Change Options" accesskey="C" />
3.189     scop     1269: </td>
3.149     scop     1270: </tr>
                   1271: </table>
3.189     scop     1272: </fieldset>
3.149     scop     1273: </form>
                   1274: EOF
3.120     scop     1275:   }
                   1276:   html_footer();
3.80      knu      1277: }
3.1       knu      1278:
                   1279: ###############################
                   1280: # View Files
                   1281: ###############################
3.80      knu      1282: elsif (-f $fullname . ',v') {
3.114     scop     1283:
3.254     scop     1284:   if (defined($input{rev}) || $doCheckout) {
3.253     scop     1285:     &doCheckout($fullname, $input{rev});
3.120     scop     1286:     gzipclose();
                   1287:     exit;
                   1288:   }
                   1289:
3.254     scop     1290:   if (defined($input{annotate}) && $allow_annotate) {
                   1291:     &doAnnotate($input{annotate});
3.120     scop     1292:     gzipclose();
                   1293:     exit;
                   1294:   }
                   1295:
3.254     scop     1296:   if (defined($input{r1}) && defined($input{r2})) {
                   1297:     &doDiff($fullname,  $input{r1},  $input{tr1},
                   1298:             $input{r2}, $input{tr2}, $input{f});
3.120     scop     1299:     gzipclose();
                   1300:     exit;
                   1301:   }
3.132     scop     1302:
3.170     scop     1303:   if ($allow_cvsgraph && $input{graph}) {
                   1304:     if ($input{makeimage}) {
                   1305:       doGraph();
3.132     scop     1306:     } else {
3.170     scop     1307:       doGraphView();
3.132     scop     1308:     }
                   1309:     gzipclose();
                   1310:     exit;
                   1311:   }
                   1312:
3.120     scop     1313:   &doLog($fullname);
                   1314:
                   1315:   ##############################
                   1316:   # View Diff
                   1317:   ##############################
                   1318: } elsif ($fullname =~ s/\.diff$//
3.254     scop     1319:          && -f $fullname . ',v' && $input{r1} && $input{r2})
3.120     scop     1320: {
                   1321:
                   1322:   # $where-diff-removal if 'cvs rdiff' is used
                   1323:   # .. but 'cvs rdiff'doesn't support some options
                   1324:   # rcsdiff does (-w and -p), so it is disabled
                   1325:   # $where =~ s/\.diff$//;
                   1326:
3.189     scop     1327:   # Allow diffs using the ".diff" extension so that browsers that default
                   1328:   # to the filename in the URL when saving don't save diffs as eg. foo.c.
3.254     scop     1329:   &doDiff($fullname,  $input{r1},  $input{tr1},
                   1330:           $input{r2}, $input{tr2}, $input{f});
3.120     scop     1331:   gzipclose();
                   1332:   exit;
                   1333:
3.264     scop     1334: } elsif (do { (my $tmp = $fullname) =~ s|/([^/]+)$|/Attic/$1|; -f "$tmp,v" }) {
3.120     scop     1335:   # The file has been removed and is in the Attic.
                   1336:   # Send a redirect pointing to the file in the Attic.
                   1337:   (my $newplace = $scriptwhere) =~ s|/([^/]+)$|/Attic/$1|;
                   1338:   if ($ENV{QUERY_STRING} ne "") {
3.268     scop     1339:     redirect("$newplace?$ENV{QUERY_STRING}");
3.120     scop     1340:   } else {
                   1341:     redirect($newplace);
                   1342:   }
                   1343:   exit;
3.268     scop     1344:
3.80      knu      1345: } elsif (0 && (my @files = &safeglob($fullname . ",v"))) {
3.120     scop     1346:   http_header("text/plain");
                   1347:   print "You matched the following files:\n";
                   1348:   print join ("\n", @files);
3.80      knu      1349:
3.120     scop     1350:   # Find the tags from each file
                   1351:   # Display a form offering diffs between said tags
3.80      knu      1352: } else {
                   1353:
3.120     scop     1354:   # Assume it's a module name with a potential path following it.
3.268     scop     1355:   my $module;
3.266     scop     1356:   my $xtra = (($module = $where) =~ s|(/.*)||) ? $1 : '';
3.80      knu      1357:
3.120     scop     1358:   # Is there an indexed version of modules?
3.268     scop     1359:   my $fh = do { local (*FH); };
                   1360:   if (open($fh, catfile($cvsroot, 'CVSROOT', 'modules'))) {
3.120     scop     1361:     while (<$fh>) {
                   1362:       if (/^(\S+)\s+(\S+)/o
                   1363:           && $module eq $1
3.268     scop     1364:           && $module ne $2
                   1365:           && -d "$cvsroot/$2")
3.120     scop     1366:       {
3.267     scop     1367:         close($fh);
3.120     scop     1368:         redirect("$scriptname/$2$xtra$query");
                   1369:       }
                   1370:     }
3.267     scop     1371:     close($fh);
3.120     scop     1372:   }
                   1373:   fatal("404 Not Found", '%s: no such file or directory', $where);
3.80      knu      1374: }
3.23      knu      1375:
3.25      knu      1376: gzipclose();
3.80      knu      1377:
3.1       knu      1378: ## End MAIN
                   1379:
3.175     scop     1380:
3.120     scop     1381: sub printDiffSelect($)
                   1382: {
                   1383:   my ($use_java_script) = @_;
                   1384:
                   1385:   print '<select id="f" name="f"';
                   1386:   print ' onchange="this.form.submit()"' if $use_java_script;
                   1387:   print ">\n";
                   1388:
3.175     scop     1389:   for my $difftype (@DIFFTYPES) {
3.120     scop     1390:     printf("<option value=\"%s\"%s>%s</option>\n",
3.208     scop     1391:            $difftype, $input{f} eq $difftype ? ' selected="selected"' : '',
3.175     scop     1392:            "\u$DIFFTYPES{$difftype}{descr}");
3.120     scop     1393:   }
                   1394:
                   1395:   print "</select>";
                   1396: }
                   1397:
3.175     scop     1398:
3.168     scop     1399: sub printDiffSelectStickyVars()
                   1400: {
                   1401:   while (my ($key, $val) = each %input) {
                   1402:     next if ($key eq 'f');
                   1403:     next if (defined($DEFAULTVALUE{$key}) && $DEFAULTVALUE{$key} eq $val);
3.206     scop     1404:     print "<input type=\"hidden\" name=\"", htmlquote($key), "\" value=\"",
3.208     scop     1405:       htmlquote($val), "\" />\n";
3.168     scop     1406:   }
                   1407: }
                   1408:
3.175     scop     1409:
3.120     scop     1410: sub printLogSortSelect($)
                   1411: {
                   1412:   my ($use_java_script) = @_;
                   1413:
                   1414:   print '<select id="logsort" name="logsort"';
                   1415:   print ' onchange="this.form.submit()"' if $use_java_script;
                   1416:   print ">\n";
                   1417:
3.175     scop     1418:   for my $sortkey (@LOGSORTKEYS) {
3.120     scop     1419:     printf("<option value=\"%s\"%s>%s</option>\n",
3.208     scop     1420:            $sortkey, $logsort eq $sortkey ? ' selected="selected"' : '',
3.175     scop     1421:            "\u$LOGSORTKEYS{$sortkey}{descr}");
3.120     scop     1422:   }
                   1423:
                   1424:   print "</select>";
                   1425: }
                   1426:
3.175     scop     1427:
3.197     scop     1428: #
                   1429: # Find the last modified, version controlled files in the given directories.
                   1430: # Compares solely based on modification timestamps.  Files in the returned list
                   1431: # are without the ,v suffix, and unreadable files have been filtered out.
                   1432: #
3.120     scop     1433: sub findLastModifiedSubdirs(@)
                   1434: {
                   1435:   my (@dirs) = @_;
                   1436:
3.175     scop     1437:   my @files;
                   1438:   foreach my $dirname (@dirs) {
3.196     scop     1439:     next if ($dirname eq curdir() || $dirname eq updir());
                   1440:     my $dir = catdir($fullname, $dirname);
3.120     scop     1441:     next if (!-d $dir);
                   1442:
                   1443:     my $dh = do { local (*DH); };
                   1444:     opendir($dh, $dir) or next;
3.233     scop     1445:     my (@filenames) = grep(!forbidden(catfile($dir, $_)), readdir($dh));
3.120     scop     1446:     closedir($dh);
                   1447:
3.175     scop     1448:     my $lastmod     = undef;
                   1449:     my $lastmodtime = undef;
3.120     scop     1450:     foreach my $filename (@filenames) {
3.197     scop     1451:       ($filename) =
                   1452:         (catfile($dirname, $filename) =~ VALID_PATH) or next; # untaint
3.196     scop     1453:       my ($file) = catfile($fullname, $filename);
3.197     scop     1454:       next if ($filename !~ /,v$/o || !-f $file || !-r _);
                   1455:       my $modtime = -M _;
3.120     scop     1456:       if (!defined($lastmod) || $modtime < $lastmodtime) {
3.233     scop     1457:         ($lastmod    = $filename) =~ s/,v$//;
3.120     scop     1458:         $lastmodtime = $modtime;
                   1459:       }
                   1460:     }
3.175     scop     1461:     push(@files, $lastmod) if (defined($lastmod));
3.120     scop     1462:   }
                   1463:   return @files;
                   1464: }
                   1465:
3.175     scop     1466:
3.120     scop     1467: sub htmlify_sub(&$)
                   1468: {
                   1469:   (my $proc, local $_) = @_;
3.261     scop     1470:   my @a = split(m|(<a [^>]+>[^<]*</a>)|i);
3.120     scop     1471:   my $linked;
                   1472:   my $result = '';
                   1473:
                   1474:   while (($_, $linked) = splice(@a, 0, 2)) {
                   1475:     &$proc();
                   1476:     $result .= $_      if defined($_);
                   1477:     $result .= $linked if defined($linked);
                   1478:   }
                   1479:
3.175     scop     1480:   return $result;
3.120     scop     1481: }
                   1482:
3.175     scop     1483:
3.120     scop     1484: sub htmlify($;$)
                   1485: {
                   1486:   (local $_, my $extra) = @_;
                   1487:
                   1488:   $_ = htmlquote($_);
                   1489:
                   1490:   # get URL's as link
                   1491:   s{
3.130     scop     1492:     ((https?|ftp)://.+?)([\s\']|&(quot|[lg]t);)
3.120     scop     1493:    }{
3.130     scop     1494:      &link($1, htmlunquote($1)) . $3
3.120     scop     1495:    }egx;
                   1496:
                   1497:   # get e-mails as link
                   1498:   $_ = htmlify_sub {
                   1499:     s<
3.266     scop     1500:       ([\w+=\-.!]+@[\w\-]+(?:\.[\w\-]+)+)
3.120     scop     1501:      ><
3.266     scop     1502:        &link($1, "mailto:$1")
3.120     scop     1503:      >egix;
                   1504:   } $_;
                   1505:
                   1506:   if ($extra) {
                   1507:
                   1508:     # get PR #'s as link: "PR#nnnn" "PR: nnnn, ..." "PR nnnn, ..." "bin/nnnn"
                   1509:     if (defined($prcgi) && defined($re_prkeyword)) {
                   1510:       my $prev;
                   1511:
                   1512:       do {
                   1513:         $prev = $_;
                   1514:
                   1515:         $_ = htmlify_sub {
                   1516:           s{
                   1517:             (\b$re_prkeyword[:\#]?\s*
                   1518:              (?:
                   1519:               \#?
                   1520:               \d+[,\s]\s*
                   1521:              )*
                   1522:              \#?)
                   1523:             (\d+)\b
                   1524:            }{
                   1525:              $1 . &link($2, sprintf($prcgi, $2))
                   1526:            }egix;
                   1527:         } $_;
                   1528:       } while ($_ ne $prev);
                   1529:
                   1530:       if (defined($re_prcategories)) {
                   1531:         $_ = htmlify_sub {
                   1532:           s{
                   1533:             (\b$re_prcategories/(\d+)\b)
                   1534:            }{
                   1535:              &link($1, sprintf($prcgi, $2))
                   1536:            }egox;
                   1537:         } $_;
                   1538:       }
                   1539:     }
                   1540:
                   1541:     # get manpage specs as link: "foo.1" "foo(1)"
                   1542:     if (defined($mancgi)) {
                   1543:       $_ = htmlify_sub {
                   1544:         s{
3.143     knu      1545:           (
                   1546:            \b ( \w[\w+\-.]* (?: ::\w[\w+\-.]*)* )
3.120     scop     1547:            (?:
3.143     knu      1548:             \( ([0-9n]) \) \B
3.120     scop     1549:             |
3.143     knu      1550:             \. ([0-9n]) \b
3.120     scop     1551:            )
                   1552:           )
                   1553:          }{
3.149     scop     1554:             my($text, $name, $section) = ($1, $2, defined($3) ? $3 : $4);
                   1555:             ($name =~ /[A-Za-z]/ && $name !~ /\.(:|$)/)
                   1556:              ? &link($text, sprintf($mancgi, $section, $name))
                   1557:               : $text;
3.120     scop     1558:          }egx;
                   1559:       } $_;
                   1560:     }
                   1561:   }
                   1562:
3.175     scop     1563:   return $_;
3.120     scop     1564: }
                   1565:
3.175     scop     1566:
3.120     scop     1567: sub spacedHtmlText($;$)
                   1568: {
3.175     scop     1569:   (local $_, my $ts) = @_;
3.224     scop     1570:   return '' unless defined($_);
3.175     scop     1571:   $ts ||= $tabstop;
3.120     scop     1572:
                   1573:   # Cut trailing spaces and tabs
                   1574:   s/[ \t]+$//;
                   1575:
                   1576:   if (defined($ts)) {
                   1577:
                   1578:     # Expand tabs
3.266     scop     1579:     1 while s/(.*)(\t+)/' ' x (length($2) * $ts - length($1) % $ts)/e;
3.120     scop     1580:   }
                   1581:
                   1582:   # replace <tab> and <space> (\001 is to protect us from htmlify)
                   1583:   # gzip can make excellent use of this repeating pattern :-)
                   1584:   if ($hr_breakable) {
                   1585:
                   1586:     # make every other space 'breakable'
                   1587:     s/  / \001nbsp;/g;    # 2 * <space>
                   1588:                           # leave single space as it is
                   1589:   } else {
                   1590:     s/ /\001nbsp;/g;
                   1591:   }
                   1592:
                   1593:   $_ = htmlify($_, $allow_source_extra);
                   1594:
                   1595:   # unescape
                   1596:   y/\001/&/;
                   1597:
                   1598:   return $_;
                   1599: }
                   1600:
3.175     scop     1601:
3.120     scop     1602: # Note that this doesn't htmlquote the first argument...
                   1603: sub link($$)
                   1604: {
                   1605:   my ($name, $url) = @_;
                   1606:
3.266     scop     1607:   $url =~ s/(:)/sprintf("%%%02x", ord($1))/eg
3.120     scop     1608:     if $url =~ /^[^a-z]/;    # relative
                   1609:
                   1610:   sprintf '<a href="%s">%s</a>', hrefquote($url), $name;
                   1611: }
                   1612:
3.175     scop     1613:
3.120     scop     1614: sub revcmp($$)
                   1615: {
                   1616:   my ($rev1, $rev2) = @_;
                   1617:
                   1618:   # make no comparison for a tag or a branch
                   1619:   return 0 if $rev1 =~ /[^\d.]/ || $rev2 =~ /[^\d.]/;
                   1620:
3.261     scop     1621:   my (@r1) = split(/\./, $rev1);
                   1622:   my (@r2) = split(/\./, $rev2);
3.120     scop     1623:   my ($a, $b);
                   1624:
3.261     scop     1625:   while (($a = shift(@r1)) && ($b = shift(@r2))) {
                   1626:     return $a <=> $b unless ($a == $b);
3.120     scop     1627:   }
                   1628:   if (@r1) { return  1; }
                   1629:   if (@r2) { return -1; }
                   1630:   return 0;
                   1631: }
                   1632:
3.175     scop     1633:
3.120     scop     1634: sub fatal($$@)
                   1635: {
                   1636:   my ($errcode, $format, @args) = @_;
3.185     scop     1637:   print "Status: $errcode\r\n";
3.131     scop     1638:   html_header('Error');
3.215     scop     1639:   print '<div id="error">Error: ',
                   1640:     sprintf($format, map(htmlquote($_), @args)), "</div>\n";
3.120     scop     1641:   html_footer();
                   1642:   exit(1);
                   1643: }
                   1644:
3.175     scop     1645:
3.269     scop     1646: #
                   1647: # Sends a redirect to the given URL.
                   1648: #
                   1649: sub redirect($;$)
3.120     scop     1650: {
3.269     scop     1651:   my ($url, $permanent) = @_;
                   1652:   my ($status, $text);
                   1653:   if ($permanent) {
                   1654:     $status = '301';
                   1655:     $text   = 'Moved Permanently';
                   1656:   } else {
                   1657:     $status = '302';
                   1658:     $text   = 'Found';
                   1659:   }
                   1660:   print "Status: $status $text\r\n", "Location: $url\r\n";
                   1661:   html_header($text);
                   1662:   print "<p>This document has moved ", &link('here', $url), ".</p>\n";
3.120     scop     1663:   html_footer();
                   1664:   exit(1);
                   1665: }
                   1666:
3.175     scop     1667:
3.120     scop     1668: sub safeglob($)
                   1669: {
                   1670:   my ($filename) = @_;
                   1671:
3.175     scop     1672:   (my $dirname = $filename) =~ s|/[^/]+$||;
3.120     scop     1673:   $filename =~ s|.*/||;
                   1674:
3.175     scop     1675:   my @results;
                   1676:   my $dh = do { local (*DH); };
3.120     scop     1677:   if (opendir($dh, $dirname)) {
                   1678:     my $glob = $filename;
                   1679:     my $t;
                   1680:
3.149     scop     1681:     #   transform filename from glob to regex.  Deal with:
                   1682:     #   [, {, ?, * as glob chars
                   1683:     #   make sure to escape all other regex chars
3.120     scop     1684:     $glob =~ s/([\.\(\)\|\+])/\\$1/g;
                   1685:     $glob =~ s/\*/.*/g;
                   1686:     $glob =~ s/\?/./g;
                   1687:     $glob =~ s/{([^}]+)}/($t = $1) =~ s-,-|-g; "($t)"/eg;
3.222     scop     1688:     $glob = qr/^$glob$/;
                   1689:
3.120     scop     1690:     foreach (readdir($dh)) {
3.222     scop     1691:       if ($_ =~ $glob && $_ =~ VALID_PATH) {
3.194     scop     1692:         push(@results, catfile($dirname, $1)); # untaint
3.120     scop     1693:       }
                   1694:     }
                   1695:     closedir($dh);
                   1696:   }
                   1697:
3.175     scop     1698:   return @results;
3.120     scop     1699: }
                   1700:
3.160     scop     1701:
3.227     scop     1702: #
3.230     scop     1703: # Searches @command_path for the given executable file.
3.227     scop     1704: #
3.120     scop     1705: sub search_path($)
                   1706: {
                   1707:   my ($command) = @_;
3.230     scop     1708:   for my $d (@command_path) {
3.227     scop     1709:     my $cmd = catfile($d, $command);
                   1710:     return $cmd if (-x $cmd && !-d _);
3.120     scop     1711:   }
                   1712:   return '';
                   1713: }
                   1714:
3.156     scop     1715:
3.219     scop     1716: #
                   1717: # Gets the enscript(1) highlight mode corresponding to the given filename,
                   1718: # or undef if unsupported.
                   1719: #
                   1720: sub getEnscriptHL($)
                   1721: {
                   1722:   return undef unless $allow_enscript;
                   1723:   my ($filename) = @_;
                   1724:   while (my ($hl, $regex) = each %enscript_types) {
                   1725:     return $hl if ($filename =~ $regex);
                   1726:   }
                   1727:   return undef;
                   1728: }
                   1729:
                   1730:
                   1731: #
                   1732: # Gets the MIME type for the given file name.
                   1733: #
3.156     scop     1734: sub getMimeType($;$)
3.120     scop     1735: {
3.156     scop     1736:   my ($fullname, $binary) = @_;
                   1737:   $binary = ($keywordsubstitution && $keywordsubstitution =~ /b/)
                   1738:     unless defined($binary);
                   1739:
                   1740:   (my $suffix = $fullname) =~ s/^.*\.([^.]*)$/$1/;
                   1741:
                   1742:   my $mimetype = $MTYPES{$suffix};
                   1743:   $mimetype  ||= $MimeTypes->mimeTypeOf($fullname) if defined($MimeTypes);
                   1744:
                   1745:   if (!$mimetype && $suffix ne '*' && -f $mime_types && -r _) {
                   1746:     my $fh = do { local (*FH); };
                   1747:     if (open($fh, $mime_types)) {
                   1748:       my $re = sprintf('^\s*(\S+\/\S+)\s.+\b%s\b', quotemeta($suffix));
3.222     scop     1749:       $re = qr/$re/;
3.156     scop     1750:       while (my $line = <$fh>) {
                   1751:         if ($line =~ $re) {
                   1752:           $mimetype = $1;
                   1753:           $MTYPES{$suffix} = $mimetype;
                   1754:           last;
                   1755:         }
3.120     scop     1756:       }
3.156     scop     1757:       close($fh);
                   1758:     } else {
                   1759:       warn("Can't open MIME types file $mime_types for reading: $!");
3.120     scop     1760:     }
                   1761:   }
                   1762:
3.156     scop     1763:   $mimetype ||= $MTYPES{'*'};
                   1764:   $mimetype ||= $binary ? 'application/octet-stream' : 'text/plain';
3.120     scop     1765:   return $mimetype;
3.1       knu      1766: }
                   1767:
3.156     scop     1768:
3.1       knu      1769: ###############################
3.24      knu      1770: # read first lines like head(1)
                   1771: ###############################
3.120     scop     1772: sub head($;$)
                   1773: {
3.175     scop     1774:   my ($fh, $linecount) = @_;
                   1775:   $linecount ||= 10;
3.24      knu      1776:
3.120     scop     1777:   my @buf;
                   1778:   if ($linecount > 0) {
3.184     scop     1779:     for (my $i = 0; !eof($fh) && $i < $linecount; $i++) {
3.120     scop     1780:       push @buf, scalar <$fh>;
                   1781:     }
                   1782:   } else {
                   1783:     @buf = <$fh>;
                   1784:   }
3.175     scop     1785:   return @buf;
                   1786: }
3.120     scop     1787:
3.24      knu      1788:
                   1789: ###############################
                   1790: # scan vim and Emacs directives
                   1791: ###############################
3.120     scop     1792: sub scan_directives(@)
                   1793: {
                   1794:   my $ts = undef;
3.24      knu      1795:
3.120     scop     1796:   for (@_) {
                   1797:     $ts = $1 if /\b(?:ts|tabstop|tab-width)[:=]\s*([1-9]\d*)\b/;
                   1798:   }
3.24      knu      1799:
3.120     scop     1800:   ('tabstop' => $ts);
3.24      knu      1801: }
                   1802:
3.175     scop     1803:
3.120     scop     1804: sub openOutputFilter()
                   1805: {
3.175     scop     1806:   return unless $output_filter;
3.86      knu      1807:
3.120     scop     1808:   open(STDOUT, "|-") and return;
3.86      knu      1809:
3.120     scop     1810:   # child of child
3.165     scop     1811:   open(STDERR, '>', devnull());
3.120     scop     1812:   exec($output_filter) or exit -1;
3.86      knu      1813: }
                   1814:
3.175     scop     1815:
3.24      knu      1816: ###############################
3.1       knu      1817: # show Annotation
                   1818: ###############################
3.133     scop     1819: sub doAnnotate($)
3.120     scop     1820: {
                   1821:   my ($rev) = @_;
3.262     scop     1822:   (my $pathname = $where) =~ s|((?<=/)Attic/)?[^/]*$||;
3.261     scop     1823:   (my $filename = $where) =~ s|^.*/||;
3.126     scop     1824:
3.174     scop     1825:   # This annotate version is based on the cvs annotate-demo Perl script by
                   1826:   # Cyclic Software.  It was written by Cyclic Software,
                   1827:   # http://www.cyclic.com/, and is in the public domain.
                   1828:   # We could abandon the use of rlog, rcsdiff and co using
                   1829:   # the cvs server in a similiar way one day (..after rewrite).
                   1830:
                   1831:   local (*CVS_IN, *CVS_OUT);
3.215     scop     1832:   my $annotate_err;
3.174     scop     1833:   my ($h, $err) =
                   1834:     startproc([ $CMD{cvs}, @annotate_options, 'server' ],
3.215     scop     1835:               '<pipe', \*CVS_IN, '>pipe', \*CVS_OUT,
3.229     scop     1836:               '2>', \$annotate_err);
3.215     scop     1837:   fatal('500 Internal Error',
                   1838:         'Annotate failure (exit status %s), output: <pre>%s</pre>',
                   1839:         $? >> 8 || -1, $err)
                   1840:     unless $h;
3.120     scop     1841:
                   1842:   # OK, first send the request to the server.  A simplified example is:
                   1843:   #     Root /home/kingdon/zwork/cvsroot
                   1844:   #     Argument foo/xx
                   1845:   #     Directory foo
                   1846:   #     /home/kingdon/zwork/cvsroot/foo
                   1847:   #     Directory .
                   1848:   #     /home/kingdon/zwork/cvsroot
                   1849:   #     annotate
                   1850:   # although as you can see there are a few more details.
                   1851:
3.174     scop     1852:   print CVS_IN "Root $cvsroot\n";
                   1853:   print CVS_IN
3.120     scop     1854:     "Valid-responses ok error Valid-requests Checked-in Updated Merged Removed M E\n";
                   1855:
                   1856:   # Don't worry about sending valid-requests, the server just needs to
                   1857:   # support "annotate" and if it doesn't, there isn't anything to be done.
3.174     scop     1858:   print CVS_IN "UseUnchanged\n";
                   1859:   print CVS_IN "Argument -r\n";
                   1860:   print CVS_IN "Argument $rev\n";
                   1861:   print CVS_IN "Argument $where\n";
3.120     scop     1862:
                   1863:   # The protocol requires us to fully fake a working directory (at
                   1864:   # least to the point of including the directories down to the one
                   1865:   # containing the file in question).
3.123     scop     1866:   # So if $where is "dir/sdir/file", then dirs will be ("dir","sdir","file")
                   1867:   my $path = '';
                   1868:   foreach my $dir (split('/', $where)) {
3.120     scop     1869:
                   1870:     if ($path eq "") {
3.123     scop     1871:       # In our example, $dir is "dir".
                   1872:       $path = $dir;
3.120     scop     1873:     } else {
3.174     scop     1874:       print CVS_IN "Directory $path\n";
                   1875:       print CVS_IN "$cvsroot/$path\n";
3.120     scop     1876:
                   1877:       # In our example, $_ is "sdir" and $path becomes "dir/sdir"
                   1878:       # And the next time, "file" and "dir/sdir/file" (which then gets
                   1879:       # ignored, because we don't need to send Directory for the file).
3.123     scop     1880:       $path .= "/$dir";
3.120     scop     1881:     }
                   1882:   }
3.123     scop     1883:   undef $path;
3.120     scop     1884:
                   1885:   # And the last "Directory" before "annotate" is the top level.
3.174     scop     1886:   print CVS_IN "Directory .\n";
                   1887:   print CVS_IN "$cvsroot\n";
3.120     scop     1888:
3.174     scop     1889:   print CVS_IN "annotate\n";
3.120     scop     1890:
                   1891:   # OK, we've sent our command to the server.  Thing to do is to
3.215     scop     1892:   # close the writer side and get all the responses.
                   1893:   if (!close(CVS_IN)) {
3.229     scop     1894:     $h->finish();
3.215     scop     1895:     fatal('500 Internal Error',
                   1896:           'Annotate failure (exit status %s): <code>%s</code>, output: ' .
                   1897:           '<pre>%s</pre>', $? >> 8, $!, $annotate_err);
                   1898:   }
3.120     scop     1899:
3.133     scop     1900:   navigateHeader($scriptwhere, $pathname, $filename, $rev, 'annotate');
3.120     scop     1901:
3.136     scop     1902:   print '<h3 style="text-align: center">Annotation of ',
                   1903:     htmlquote("$pathname$filename"), ", revision $rev</h3>\n";
3.120     scop     1904:
                   1905:   # Ready to get the responses from the server.
                   1906:   # For example:
                   1907:   #     E Annotations for foo/xx
                   1908:   #     E ***************
                   1909:   #     M 1.3          (kingdon  06-Sep-97): hello
                   1910:   #     ok
                   1911:   my ($lineNr) = 0;
                   1912:   my ($oldLrev, $oldLusr) = ("", "");
                   1913:   my ($revprint, $usrprint);
                   1914:
                   1915:   if ($annTable) {
3.179     scop     1916:     print <<EOF;
                   1917: <table style="border: none" cellspacing="0" cellpadding="0" summary="Annotation">
                   1918: EOF
3.120     scop     1919:   } else {
                   1920:     print "<pre>";
                   1921:   }
                   1922:
                   1923:   # prefetch several lines
3.174     scop     1924:   my @buf = head(*CVS_OUT);
3.120     scop     1925:
                   1926:   my %d = scan_directives(@buf);
                   1927:
3.174     scop     1928:   while (@buf || !eof(*CVS_OUT)) {
3.197     scop     1929:
3.174     scop     1930:     $_ = @buf ? shift @buf : <CVS_OUT>;
3.120     scop     1931:     my @words = split;
                   1932:
                   1933:     # Adding one is for the (single) space which follows $words[0].
                   1934:     my $rest = substr($_, length($words[0]) + 1);
                   1935:     if ($words[0] eq "E") {
                   1936:       next;
                   1937:     } elsif ($words[0] eq "M") {
                   1938:       $lineNr++;
                   1939:       (my $lrev = substr($_, 2,  13)) =~ y/ //d;
                   1940:       (my $lusr = substr($_, 16, 9))  =~ y/ //d;
                   1941:       my $line = substr($_, 36);
                   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:
                   1969:       # We could complain about any text received after this, like the
                   1970:       # CVS command line client.  But for simplicity, we don't.
                   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: ###############################
3.120     scop     1989: sub doCheckout($$)
                   1990: {
                   1991:   my ($fullname, $rev) = @_;
3.253     scop     1992:   $rev = 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);
                   2026:       $moddate = $date{$rev};
                   2027:     }
                   2028:   } else {
                   2029:     $revopt = "-rHEAD";
3.219     scop     2030:     if ($needlog) {
3.120     scop     2031:       readLog($fullname);
                   2032:       $moddate = $date{$symrev{HEAD}};
                   2033:     }
                   2034:   }
                   2035:
3.194     scop     2036:   my $cr = abs_path($cvsroot) || $cvsroot;
                   2037:   # abs_path() taints when run as a CGI...
                   2038:   if ($cr =~ VALID_PATH) {
                   2039:     $cr = $1;
                   2040:   } else {
                   2041:     fatal('500 Internal Error', 'Illegal CVS root: <code>%s</code>', $cr);
                   2042:   }
3.183     scop     2043:   # Use abs_path() to work around a bug of cvs -p; expand symlinks if we can.
3.194     scop     2044:   my @cmd = ($CMD{cvs}, @cvs_options, '-d', $cr, 'co', '-p', $revopt, $where);
3.183     scop     2045:
3.174     scop     2046:   local (*CVS_OUT, *CVS_ERR);
                   2047:   my ($h, $err) =
3.229     scop     2048:     startproc(\@cmd, \"", '>pipe', \*CVS_OUT, '2>pipe', \*CVS_ERR);
3.215     scop     2049:   fatal('500 Internal Error',
                   2050:         'Checkout failure (exit status %s), output: <pre>%s</pre>',
                   2051:         $? >> 8 || -1, $err)
                   2052:     unless $h;
3.120     scop     2053:
3.174     scop     2054:   if (eof(CVS_ERR)) {
3.229     scop     2055:     $h->finish();
3.120     scop     2056:     fatal("404 Not Found", '%s is not (any longer) pertinent', $where);
                   2057:   }
                   2058:
                   2059:   #===================================================================
                   2060:   #Checking out squid/src/ftp.c
                   2061:   #RCS:  /usr/src/CVS/squid/src/ftp.c,v
                   2062:   #VERS: 1.1.1.28.6.2
                   2063:   #***************
                   2064:
                   2065:   # Parse CVS header
                   2066:   my ($revision, $filename, $cvsheader);
                   2067:   $filename = "";
3.174     scop     2068:   while (<CVS_ERR>) {
3.120     scop     2069:     last if (/^\*\*\*\*/);
                   2070:     $revision = $1 if (/^VERS: (.*)$/);
                   2071:
                   2072:     if (/^Checking out (.*)$/) {
3.214     scop     2073:       ($filename = $1) =~ s|^\./+||;
3.120     scop     2074:     }
                   2075:     $cvsheader .= $_;
                   2076:   }
3.219     scop     2077:   close(CVS_ERR);
3.120     scop     2078:
                   2079:   if ($filename ne $where) {
3.229     scop     2080:     $h->finish();
3.120     scop     2081:     fatal("500 Internal Error",
3.214     scop     2082:           'Unexpected output from cvs co: <pre>%s</pre> ' .
                   2083:           '(expected "<code>%s</code>" but got "<code>%s</code>")',
                   2084:           $cvsheader, $where, $filename);
3.120     scop     2085:   }
                   2086:
3.219     scop     2087:   # Last checks whether we'll do markup or not.
                   2088:   my $isbin = $keywordsubstitution && $keywordsubstitution =~ /b/;
                   2089:   my $mimetype = getMimeType($fullname, $isbin);
                   2090:
                   2091:   # If we still are not sure whether to do markup or not:
                   2092:   # if the MIME type is "viewable" or this is not a binary file, do.
                   2093:   $do_markup = !$isbin || viewable($mimetype) unless defined($do_markup);
                   2094:
                   2095:   if ($do_markup) {
                   2096:
                   2097:     # If this is something we'll be linking to in the markup view, we are
                   2098:     # done with this particular output from "cvs co" and must discard it.
                   2099:     my $linked = $mimetype =~ m{^image/|application/pdf$}i;
                   2100:     if ($linked) {
                   2101:       close(CVS_OUT);
3.229     scop     2102:       $h->finish();
3.219     scop     2103:     }
                   2104:
3.163     scop     2105:     # Here we know the last modified date, but don't know if tags have been
3.219     scop     2106:     # added afterwards (those are shown in the markup view): no last-modified.
                   2107:     cvswebMarkup(\*CVS_OUT, $fullname, $revision, $isbin, $mimetype, $needlog);
                   2108:
3.229     scop     2109:     $h->finish() unless $linked;
3.219     scop     2110:
3.120     scop     2111:   } else {
3.226     scop     2112:     http_header($want_type || $mimetype, $moddate);
3.174     scop     2113:     local $/ = undef;
                   2114:     print <CVS_OUT>;
3.229     scop     2115:     $h->finish();
3.120     scop     2116:   }
1.12      fenner   2117: }
                   2118:
3.174     scop     2119:
3.219     scop     2120: sub cvswebMarkup($$$$$$;$)
3.120     scop     2121: {
3.219     scop     2122:   my ($filehandle, $fullname, $rev, $isbin, $mimetype, $logged, $mod) = @_;
3.1       knu      2123:
3.262     scop     2124:   (my $pathname = $where) =~ s|((?<=/)Attic/)?[^/]*$||;
3.261     scop     2125:   (my $filename = $where) =~ s|^.*/||;
3.175     scop     2126:   my $fileurl   = urlencode($filename);
3.120     scop     2127:
3.219     scop     2128:   navigateHeader($scriptwhere, $pathname, $filename, $rev, 'view', $mod);
3.120     scop     2129:
3.144     scop     2130:   print <<EOF;
3.208     scop     2131: <hr />
3.182     scop     2132: <div class="log-markup">
                   2133: File:&nbsp;
3.144     scop     2134: EOF
3.219     scop     2135:   print &clickablePath($where, 1), "<br />\n";
3.120     scop     2136:
                   2137:   if ($show_log_in_markup) {
3.219     scop     2138:     readLog($fullname) unless $logged; #,$rev);
                   2139:     printLog($rev, $mimetype, $isbin);
3.120     scop     2140:   } else {
3.244     scop     2141:     print "Revision: <b>$rev</b><br />\n";
                   2142:     print 'Tag: ', htmlquote($input{only_with_tag}), "<br />\n"
3.120     scop     2143:       if $input{only_with_tag};
                   2144:   }
3.208     scop     2145:   print "</div>\n<hr />";
3.219     scop     2146:   my $url = download_url($fileurl, $rev, $mimetype);
3.120     scop     2147:
3.219     scop     2148:   if ($mimetype =~ m|^image/|i) {
3.208     scop     2149:     printf '<img src="%s" alt="%s" /><br />',
3.160     scop     2150:       hrefquote("$url$barequery"), htmlquote($filename);
3.219     scop     2151:   } elsif (lc($mimetype) eq 'application/pdf') {
3.208     scop     2152:     printf '<embed src="%s" width="100%%" height="100%%" /><br />',
3.157     scop     2153:       hrefquote("$url$barequery");
3.120     scop     2154:   } else {
                   2155:
3.208     scop     2156:     print "<pre>\n";
3.167     scop     2157:     my $linenumbers = $input{ln} || 0;
3.149     scop     2158:
3.219     scop     2159:     if (my $enscript_hl = getEnscriptHL($filename)) {
3.167     scop     2160:       doEnscript($filehandle, $enscript_hl, $linenumbers);
3.148     scop     2161:
                   2162:     } else {
3.200     scop     2163:       my $ln  = 0;
                   2164:       my @buf = ();
                   2165:       my $ts  = undef;
                   2166:
                   2167:       if ($preformat_in_markup) {
                   2168:         # prefetch several lines
                   2169:         @buf = head($filehandle);
                   2170:         my %d = scan_directives(@buf);
                   2171:         $ts = $d{tabstop};
                   2172:       }
                   2173:
                   2174:       while (@buf || !eof($filehandle)) {
                   2175:         $_ = @buf ? shift @buf : <$filehandle>;
3.167     scop     2176:         if ($linenumbers) {
                   2177:           $ln++;
                   2178:           printf '<a id="l%d" class="src">%5d: </a>', ($ln) x 2;
3.149     scop     2179:         }
3.200     scop     2180:         print $preformat_in_markup ? spacedHtmlText($_, $ts) : htmlquote($_);
3.148     scop     2181:       }
3.120     scop     2182:     }
3.149     scop     2183:
                   2184:     print "</pre>\n";
3.120     scop     2185:   }
3.131     scop     2186:   html_footer();
3.120     scop     2187: }
                   2188:
3.156     scop     2189:
3.120     scop     2190: sub viewable($)
                   2191: {
3.219     scop     2192:   return shift =~ m{^((text|image)/|application/pdf)}i;
3.156     scop     2193: }
3.120     scop     2194:
3.1       knu      2195:
                   2196: ###############################
                   2197: # Show Colored Diff
                   2198: ###############################
3.120     scop     2199: sub doDiff($$$$$$)
                   2200: {
                   2201:   my ($fullname, $r1, $tr1, $r2, $tr2, $f) = @_;
                   2202:
3.233     scop     2203:   if (forbidden($fullname)) {
                   2204:     fatal('403 Forbidden', 'Access to %s forbidden.', $where);
3.120     scop     2205:   }
                   2206:
3.175     scop     2207:   my ($rev1, $sym1);
3.120     scop     2208:   if ($r1 =~ /([^:]+)(:(.+))?/) {
                   2209:     $rev1 = $1;
                   2210:     $sym1 = $3;
                   2211:   }
                   2212:   if ($r1 eq 'text') {
                   2213:     $rev1 = $tr1;
                   2214:     $sym1 = "";
                   2215:   }
                   2216:
3.175     scop     2217:   my ($rev2, $sym2);
3.120     scop     2218:   if ($r2 =~ /([^:]+)(:(.+))?/) {
                   2219:     $rev2 = $1;
                   2220:     $sym2 = $3;
                   2221:   }
                   2222:   if ($r2 eq 'text') {
                   2223:     $rev2 = $tr2;
                   2224:     $sym2 = "";
                   2225:   }
                   2226:
                   2227:   #
                   2228:   # rev1 and rev2 are now both numeric revisions.
                   2229:   # Thus we do a DWIM here and swap them if rev1 is after rev2.
                   2230:   # XXX should we warn about the fact that we do this?
                   2231:   if (&revcmp($rev1, $rev2) > 0) {
                   2232:     my ($tmp1, $tmp2) = ($rev1, $sym1);
                   2233:     ($rev1, $sym1) = ($rev2, $sym2);
                   2234:     ($rev2, $sym2) = ($tmp1, $tmp2);
                   2235:   }
3.225     scop     2236:
                   2237:   my $mimetype = getMimeType($fullname);
                   2238:
                   2239:   #
                   2240:   #  Check for per-MIME type diff commands.
                   2241:   #
                   2242:   my $diffcmd = undef;
                   2243:   if (my $diffcmds = $DIFF_COMMANDS{lc($mimetype)}) {
                   2244:     if ($f =~ /^ext(\d*)$/) {
                   2245:       my $n = $1 || 0;
                   2246:       $diffcmd = $diffcmds->[$n];
                   2247:     }
                   2248:   }
                   2249:   if ($diffcmd && $diffcmd->{cmd} && $diffcmd->{name}) {
                   2250:
                   2251:     if ($diffcmd->{args} && ref($diffcmd->{args}) ne 'ARRAY') {
                   2252:       fatal('500 Internal Error',
                   2253:             'Configuration error: arguments to external diff tools must ' .
                   2254:             'be given as array refs.  See "<code>%s</code>" in ' .
                   2255:             '<code>%%DIFF_COMMANDS</code>.',
                   2256:             $diffcmd->{name});
                   2257:     }
                   2258:
                   2259:     (my $cvsname = $where) =~ s/\.diff$//;
                   2260:
                   2261:     # Create two temporary files with the two revisions
                   2262:     my $temp_fn1 = checkout_to_temp($cvsroot, $cvsname, $rev1);
                   2263:     my $temp_fn2 = checkout_to_temp($cvsroot, $cvsname, $rev2);
                   2264:
                   2265:     # Execute chosen diff binary.
                   2266:     local (*DIFF_OUT);
                   2267:     my @cmd = ($diffcmd->{cmd});
                   2268:     push(@cmd, @{$diffcmd->{args}}) if $diffcmd->{args};
                   2269:     push(@cmd, $temp_fn1, $temp_fn2);
                   2270:     my ($h, $err) = startproc(\@cmd, \"", '>pipe', \*DIFF_OUT);
                   2271:     if (!$h) {
                   2272:       unlink($temp_fn1);
                   2273:       unlink($temp_fn2);
                   2274:       fatal('500 Internal Error',
                   2275:             'Diff failure (exit status %s), output: <pre>%s</pre>',
                   2276:             $? >> 8 || -1, $err);
                   2277:     }
                   2278:
                   2279:     http_header($diffcmd->{type} || 'text/plain');
                   2280:     local $/ = undef;
                   2281:     print <DIFF_OUT>;
3.229     scop     2282:     $h->finish();
3.225     scop     2283:     unlink($temp_fn1);
                   2284:     unlink($temp_fn2);
                   2285:
                   2286:     exit;
                   2287:   }
                   2288:
                   2289:   #
                   2290:   # Normal CVS diff.
                   2291:   #
                   2292:
                   2293:   $f = $DEFAULTVALUE{f} || 'u' if ($f =~ /^ext\d*$/);
3.120     scop     2294:   my $difftype = $DIFFTYPES{$f};
                   2295:   if (!$difftype) {
                   2296:     fatal("400 Bad arguments", 'Diff format %s not understood', $f);
                   2297:   }
                   2298:
3.254     scop     2299:   my @difftype       = @{$difftype->{opts}};
                   2300:   my $human_readable = $difftype->{colored};
3.120     scop     2301:
3.247     scop     2302:   # Apply special diff options.  -p and -F are not available with side by side
                   2303:   # diffs and may cause problems with older (< 2.8) versions of diffutils if
                   2304:   # used with --side-by-side.
                   2305:   if ($showfunc && $f !~ /^s/) {
                   2306:     push(@difftype, '-p');
                   2307:     while (my ($re1, $re2) = each %funcline_regexp) {
3.222     scop     2308:       if ($fullname =~ $re1) {
3.247     scop     2309:         push(@difftype, '-F', $re2);
3.120     scop     2310:         last;
                   2311:       }
                   2312:     }
                   2313:   }
                   2314:
                   2315:   if ($human_readable) {
3.247     scop     2316:     push(@difftype, '-w')  if $hr_ignwhite;
                   2317:     push(@difftype, '-kk') if $hr_ignkeysubst;
3.120     scop     2318:   }
                   2319:
3.175     scop     2320:   my $fh = do { local (*FH); };
3.120     scop     2321:   if (!open($fh, "-|")) {    # child
                   2322:     open(STDERR, ">&STDOUT");    # Redirect stderr to stdout
                   2323:     openOutputFilter();
3.166     scop     2324:     exec($CMD{rcsdiff}, @rcsdiff_options, @difftype, "-r$rev1", "-r$rev2",
                   2325:          $fullname) or exit -1;
3.120     scop     2326:   }
3.166     scop     2327:
3.120     scop     2328:   if ($human_readable) {
3.168     scop     2329:     #
                   2330:     # Human readable diff.
                   2331:     #
                   2332:     human_readable_diff($fh, $rev2);
                   2333:     html_footer();
                   2334:     gzipclose();
                   2335:     exit;
                   2336:
                   2337:   } elsif ($f =~ /^([ucs])c$/) {
                   2338:     #
                   2339:     # Enscript colored diff.
                   2340:     #
                   2341:     my $hl = 'diff';
                   2342:     $hl .= $1 if ($1 eq 'u' || $1 eq 's');
                   2343:     (my $where_nd = $where)       =~ s/\.diff$//;
3.262     scop     2344:     (my $pathname = $where_nd)    =~ s|((?<=/)Attic/)?[^/]*$||;
3.168     scop     2345:     (my $filename = $where_nd)    =~ s|^.*/||;
                   2346:     (my $swhere   = $scriptwhere) =~ s|\.diff$||;
                   2347:     navigateHeader($swhere, $pathname, $filename, $rev2, 'diff');
                   2348:     printf(<<EOF, $where_nd, $rev1, $rev2);
                   2349: <h3 style="text-align: center">Diff for /%s between versions %s and %s</h3>
                   2350: <pre>
                   2351: EOF
3.240     scop     2352:     doEnscript(\$fh, $hl, 0, 'cvsweb_diff');
3.168     scop     2353:     print <<EOF;
                   2354: </pre>
3.208     scop     2355: <hr style="width: 100%" />
3.168     scop     2356: <form method="get" action="$scriptwhere">
                   2357: EOF
                   2358:     printDiffSelectStickyVars();
                   2359:     print 'Diff format: ';
                   2360:     printDiffSelect($use_java_script);
3.208     scop     2361:     print "<input type=\"submit\" value=\"Show\" />\n</form>\n";
3.120     scop     2362:     html_footer();
                   2363:     gzipclose();
                   2364:     exit;
3.168     scop     2365:
3.120     scop     2366:   } else {
3.168     scop     2367:     #
                   2368:     # Plain diff.
                   2369:     #
3.120     scop     2370:     http_header("text/plain");
                   2371:   }
                   2372:
                   2373:   #
                   2374:   #===================================================================
                   2375:   #RCS file: /home/ncvs/src/sys/netinet/tcp_output.c,v
                   2376:   #retrieving revision 1.16
                   2377:   #retrieving revision 1.17
                   2378:   #diff -c -r1.16 -r1.17
                   2379:   #*** /home/ncvs/src/sys/netinet/tcp_output.c     1995/11/03 22:08:08     1.16
                   2380:   #--- /home/ncvs/src/sys/netinet/tcp_output.c     1995/12/05 17:46:35     1.17
                   2381:   #
                   2382:   # Ideas:
                   2383:   # - nuke the stderr output if it's what we expect it to be
                   2384:   # - Add "no differences found" if the diff command supplied no output.
                   2385:   #
                   2386:   #*** src/sys/netinet/tcp_output.c     1995/11/03 22:08:08     1.16
                   2387:   #--- src/sys/netinet/tcp_output.c     1995/12/05 17:46:35     1.17 RELENG_2_1_0
                   2388:   # (bogus example, but...)
                   2389:   #
3.175     scop     2390:   my ($f1, $f2);
3.120     scop     2391:   if (grep { $_ eq '-u' } @difftype) {
                   2392:     $f1 = '---';
                   2393:     $f2 = '\+\+\+';
                   2394:   } else {
                   2395:     $f1 = '\*\*\*';
                   2396:     $f2 = '---';
                   2397:   }
                   2398:
                   2399:   while (<$fh>) {
                   2400:     if (m|^$f1 $cvsroot|o) {
                   2401:       s|$cvsroot/||o;
                   2402:       if ($sym1) {
                   2403:         chop;
                   2404:         $_ .= " $sym1\n";
                   2405:       }
                   2406:     } elsif (m|^$f2 $cvsroot|o) {
                   2407:       s|$cvsroot/||o;
                   2408:
                   2409:       if ($sym2) {
                   2410:         chop;
                   2411:         $_ .= " $sym2\n";
                   2412:       }
                   2413:     }
                   2414:     print $_;
                   2415:   }
                   2416:   close($fh);
1.12      fenner   2417: }
                   2418:
3.175     scop     2419:
3.1       knu      2420: ###############################
                   2421: # Show Logs ..
                   2422: ###############################
3.120     scop     2423: sub getDirLogs($$@)
                   2424: {
                   2425:   my ($cvsroot, $dirname, @otherFiles) = @_;
3.139     scop     2426:   my $tag = $input{only_with_tag};
3.196     scop     2427:   my $DirName = catdir($cvsroot, $where);
3.120     scop     2428:
3.139     scop     2429:   my @files = &safeglob("$DirName/*,v");
3.254     scop     2430:   push (@files, &safeglob("$DirName/Attic/*,v")) unless $input{hideattic};
3.120     scop     2431:   foreach my $file (@otherFiles) {
3.196     scop     2432:     push(@files, catfile($DirName, $file));
3.120     scop     2433:   }
                   2434:
3.150     scop     2435:   # Weed out unreadable files.
                   2436:   my $i = 0;
                   2437:   my @unreadable = ();
                   2438:   while ($i < scalar(@files)) {
3.197     scop     2439:     # Note: last modified files from subdirs returned by
                   2440:     # findLastModifiedSubdirs() come without the ,v suffix so they're not
                   2441:     # found here, but have already been checked for readability.  *cough*
                   2442:     if (-r $files[$i] || !-e _) {
3.150     scop     2443:       $i++;
                   2444:     } else {
                   2445:       push(@unreadable, splice(@files, $i, 1));
                   2446:     }
                   2447:   }
                   2448:
3.139     scop     2449:   # If there are no files, we're done.
3.150     scop     2450:   return @unreadable unless @files;
3.120     scop     2451:
3.139     scop     2452:   my @cmd = ($CMD{rlog});
                   2453:   # Can't use -r<tag> as '-' is allowed in tagnames,
                   2454:   # but misinterpreted by rlog.
                   2455:   push(@cmd, '-r') unless defined($tag);
3.120     scop     2456:
3.139     scop     2457:   my $fh = do { local (*FH); };
                   2458:   if (!open($fh, '-|')) {            # Child
3.165     scop     2459:     open(STDERR, '>', devnull());    # Ignore rlog's complaints.
3.139     scop     2460:     openOutputFilter();
                   2461:     if ($file_list_len && $file_list_len > 1) {
                   2462:       while (scalar(@files) > $file_list_len) {  # Process files in chunks.
                   2463:         system(@cmd, splice(@files, 0, $file_list_len)) == 0 or exit -1;
                   2464:       }
3.120     scop     2465:     }
3.139     scop     2466:     exec(@cmd, @files) or exit -1;
                   2467:   }
                   2468:   undef @cmd;
3.120     scop     2469:
3.139     scop     2470:   my $state = 'start';
                   2471:   my ($date, $branchpoint, $branch, $log, @filetags);
3.152     scop     2472:   my ($rev, $revision, $revwanted, $filename, $head, $author, $keywordsubst);
3.120     scop     2473:
                   2474:   while (<$fh>) {
                   2475:     if ($state eq "start") {
                   2476:
                   2477:       #Next file. Initialize file variables
                   2478:       $rev         = '';
                   2479:       $revwanted   = '';
                   2480:       $branch      = '';
                   2481:       $branchpoint = '';
                   2482:       $filename    = '';
                   2483:       $log         = '';
                   2484:       $revision    = '';
                   2485:       %symrev      = ();
                   2486:       @filetags    = ();
3.152     scop     2487:       $keywordsubst= '';
3.120     scop     2488:
                   2489:       #jump to head state
                   2490:       $state = "head";
                   2491:     }
3.144     scop     2492:
3.120     scop     2493:     again:
                   2494:
                   2495:     if ($state eq "head") {
                   2496:
                   2497:       #$rcsfile = $1 if (/^RCS file: (.+)$/); #not used (yet)
                   2498:
                   2499:       if (/^Working file: (.+)$/) {
                   2500:         $filename = $1;
                   2501:       } elsif (/^head: (.+)$/) {
                   2502:         $head = $1;
                   2503:       } elsif (/^branch: (.+)$/) {
                   2504:         $branch = $1;
3.152     scop     2505:       } elsif (/^keyword substitution: (.+)$/) {
                   2506:         $keywordsubst = $1;
3.120     scop     2507:       } elsif (/^symbolic names:/) {
                   2508:         $state = "tags";
                   2509:         ($branch = $head) =~ s/\.\d+$//
                   2510:           if $branch eq '';
                   2511:         $branch =~ s/(\d+)$/0.$1/;
                   2512:         $symrev{MAIN}  = $branch;
                   2513:         $symrev{HEAD}  = $branch;
                   2514:         $alltags{MAIN} = 1;
                   2515:         $alltags{HEAD} = 1;
                   2516:         push (@filetags, "MAIN", "HEAD");
3.222     scop     2517:       } elsif ($_ =~ LOG_REVSEPR) {
3.120     scop     2518:         $state = "log";
                   2519:         $rev   = '';
                   2520:         $date  = '';
                   2521:         $log   = '';
                   2522:
                   2523:         # Try to reconstruct the relative filename if RCS spits out a full path
                   2524:         $filename =~ s%^\Q$DirName\E/%%;
                   2525:       }
                   2526:       next;
                   2527:     }
                   2528:
                   2529:     if ($state eq "tags") {
                   2530:       if (/^\s+([^:]+):\s+([\d\.]+)\s*$/) {
                   2531:         push (@filetags, $1);
                   2532:         $symrev{$1}  = $2;
                   2533:         $alltags{$1} = 1;
                   2534:         next;
                   2535:       } elsif (/^\S/) {
                   2536:
                   2537:         if (defined($tag)) {
                   2538:           if (defined($symrev{$tag}) || $tag eq "HEAD") {
                   2539:             $revwanted    = $symrev{$tag eq "HEAD" ? "MAIN" : $tag};
                   2540:             ($branch      = $revwanted) =~ s/\b0\.//;
                   2541:             ($branchpoint = $branch)    =~ s/\.?\d+$//;
                   2542:             $revwanted    = '' if ($revwanted ne $branch);
                   2543:           } elsif ($tag ne "HEAD") {
                   2544:             $state = "skip";
                   2545:             next;
                   2546:           }
                   2547:         }
                   2548:
                   2549:         foreach my $tagfound (@filetags) {
                   2550:           $tags{$tagfound} = 1;
                   2551:         }
                   2552:         $state = "head";
                   2553:         goto again;
                   2554:       }
                   2555:     }
                   2556:
                   2557:     if ($state eq "log") {
3.222     scop     2558:       if ($_ =~ LOG_REVSEPR || $_ =~ LOG_FILESEPR) {
3.120     scop     2559:
                   2560:         # End of a log entry.
                   2561:         my $revbranch = $rev;
                   2562:         $revbranch =~ s/\.\d+$//;
                   2563:
                   2564:         if ($revwanted eq '' && $branch ne '' && $branch eq $revbranch
                   2565:             || !defined($tag))
                   2566:         {
                   2567:           $revwanted = $rev;
                   2568:         }
                   2569:
                   2570:         if ($revwanted ne ''
                   2571:             ? $rev eq $revwanted
                   2572:             : $branchpoint ne ''
                   2573:               ? $rev eq $branchpoint
                   2574:               : 0
                   2575:             && ($rev eq $head))
                   2576:         {    # Don't think head is needed here..
3.152     scop     2577:           my @finfo = ($rev, $date, $log, $author, $filename, $keywordsubst);
                   2578:           (my $name = $filename) =~ s%/.*%%;
3.120     scop     2579:           $fileinfo{$name} = [@finfo];
                   2580:           $state = "done" if ($rev eq $revwanted);
                   2581:         }
                   2582:         $rev  = '';
                   2583:         $date = '';
                   2584:         $log  = '';
                   2585:       } elsif ($date eq ''
                   2586:                && m|^date:\s+(\d+)/(\d+)/(\d+)\s+(\d+):(\d+):(\d+);|)
                   2587:       {
3.172     scop     2588:         my $yr    = $1;
                   2589:         $yr      -= 1900 if ($yr > 100); # Damn 2-digit year routines :-)
                   2590:         $date     = timegm($6, $5, $4, $3, $2 - 1, $yr);
3.120     scop     2591:         ($author) = /author: ([^;]+)/;
3.172     scop     2592:         $state    = 'log';
                   2593:         $log      = '';
3.120     scop     2594:         next;
                   2595:       } elsif ($rev eq '' && /^revision (\d+(?:\.\d+)+).*$/) {
                   2596:         $rev = $1;    # .*$ eats up the locker(lockers?) info, if any
                   2597:         next;
                   2598:       } else {
                   2599:         $log .= $_;
                   2600:       }
                   2601:     }
                   2602:
3.222     scop     2603:     if ($_ =~ LOG_FILESEPR) {
3.120     scop     2604:       $state = "start";
                   2605:       next;
                   2606:     }
                   2607:   }
                   2608:
3.139     scop     2609:   my $linesread = $. || 0;
                   2610:   close($fh);
                   2611:
                   2612:   if ($linesread == 0) {
3.137     scop     2613:     fatal('500 Internal Error',
3.230     scop     2614:           'Failed to spawn GNU rlog on <em>"%s"</em>.<br /><br />Did you set the <b><code>@command_path</code></b> in your configuration file correctly? (Currently: "<code>%s</code>")',
                   2615:           htmlquote(join(', ', @files)), join(':', @command_path));
3.120     scop     2616:   }
3.150     scop     2617:
                   2618:   return @unreadable;
3.120     scop     2619: }
                   2620:
3.175     scop     2621:
3.120     scop     2622: sub readLog($;$)
                   2623: {
                   2624:   my ($fullname, $revision) = @_;
                   2625:   my ($symnames, $head, $rev, $br, $brp, $branch, $branchrev);
                   2626:
3.144     scop     2627:   $revision = defined($revision) ? "-r$revision" : '';
3.120     scop     2628:
                   2629:   undef %symrev;
                   2630:   undef %revsym;
                   2631:   undef @allrevisions;
                   2632:   undef %date;
                   2633:   undef %author;
                   2634:   undef %state;
                   2635:   undef %difflines;
                   2636:   undef %log;
3.152     scop     2637:   $keywordsubstitution = '';
3.120     scop     2638:
3.175     scop     2639:   my $fh = do { local (*FH); };
3.120     scop     2640:   if (!open($fh, "-|")) {    # child
                   2641:     if ($revision ne '') {
                   2642:       openOutputFilter();
                   2643:       exec($CMD{rlog}, $revision, $fullname) or exit -1;
                   2644:     } else {
                   2645:       openOutputFilter();
                   2646:       exec($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};
                   2809:     if ($onlyonbranch =~ s/\b0\.//) {
                   2810:       ($onlybranchpoint = $onlyonbranch) =~ s/\.\d+$//;
                   2811:     } else {
                   2812:       $onlybranchpoint = $onlyonbranch;
                   2813:     }
                   2814:
                   2815:     if (!defined($onlyonbranch) || $onlybranchpoint eq "") {
                   2816:       fatal("404 Tag not found", 'Tag %s 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{$_})) {
3.219     scop     2887:       print '<a name="', hrefquote($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})) {
3.219     scop     2892:       print '<a name="', hrefquote($sym), '"></a>';
3.120     scop     2893:     }
3.219     scop     2894:     $nameprinted{$br} = 1;
                   2895:   }
3.120     scop     2896:
3.219     scop     2897:   printf "\n Revision <b>%s</b>", htmlquote($_);
                   2898:   if (/^1\.1\.1\.\d+$/) {
                   2899:     print " <i>(vendor branch)</i>";
                   2900:   }
3.261     scop     2901:
                   2902:   my $isDead = ($state{$_} eq 'dead');
3.219     scop     2903:   if (!$isDead) {
3.261     scop     2904:
                   2905:     (my $filename = $where) =~ s|^.*/||;
                   2906:     my $fileurl   = urlencode($filename);
                   2907:
3.220     scop     2908:     print ': ', download_link($fileurl, $_, 'download', $mimetype);
3.219     scop     2909:
                   2910:     my @vlinks = ();
                   2911:     push(@vlinks, display_link($fileurl, $_, 'text', 'text/plain'))
                   2912:       unless $isbin;
                   2913:     push(@vlinks, display_link($fileurl, $_, 'markup', 'text/x-cvsweb-markup'))
                   2914:       if ($allow_markup && $inlogview && (!$isbin || viewable($mimetype)));
3.268     scop     2915:     if (!$isbin && $allow_annotate) {
3.219     scop     2916:       push(@vlinks,
                   2917:            &link('annotated',
                   2918:                  sprintf('%s/%s?annotate=%s%s',
3.268     scop     2919:                          $scriptname, urlencode($where), $_, $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',
                   2931:                             $scriptwhere, $_, $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 =
3.203     scop     2981:         sprintf('%s.diff?r1=%s;r2=%s%s', $scriptwhere, $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 =
3.203     scop     2996:         sprintf('%s.diff?r1=%s;r2=%s%s', $scriptwhere, $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',
3.120     scop     3034:           $scriptwhere, $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',
3.254     scop     3047:         $scriptwhere, $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.
                   3087:   (my $bquery = $barequery) =~ s/[;&]+only_with_tag=.*?(?=[;&]|$)//g;
                   3088:   $bquery = hrefquote($bquery);
3.181     scop     3089:   my $qquery = hrefquote($barequery);
3.255     scop     3090:
3.135     scop     3091:   my @graph_cmd =
                   3092:     ($CMD{cvsgraph},
                   3093:      '-r', $cvsroot,
3.249     scop     3094:      '-m', $pathname,
3.135     scop     3095:      '-i',
                   3096:      '-M', $mapname,
3.208     scop     3097:      '-x', 'x',
3.255     scop     3098:      "-Omap_branch_href=\"href=\\\"./?only_with_tag=%(%t%)$bquery\\\"\"",
3.219     scop     3099:      "-Omap_rev_href=\"href=\\\"?rev=%(%R%)$qquery\\\"\"",
3.146     scop     3100:      "-Omap_diff_href=\"href=\\\"%(%F%).diff" .
3.203     scop     3101:      "?r1=%(%P%);r2=%(%R%)$qquery\\\"\"",
3.135     scop     3102:      );
3.132     scop     3103:   push(@graph_cmd, '-c', $cvsgraph_config) if $cvsgraph_config;
3.249     scop     3104:   push(@graph_cmd, $filename . ',v');
3.132     scop     3105:
3.174     scop     3106:   local *CVSGRAPH_OUT;
                   3107:   my ($h, $err) =
3.229     scop     3108:     startproc(\@graph_cmd, \"", '>pipe', \*CVSGRAPH_OUT);
3.174     scop     3109:   fatal('500 Internal Error', $err) unless $h;
3.242     scop     3110:
                   3111:   # Browser compatibility kludge: many browsers do not support client side
                   3112:   # image maps where the <map> element contains only the id attribute.  Let's
                   3113:   # add the corresponding name attribute to it on the fly.
                   3114:   while (<CVSGRAPH_OUT>) {
                   3115:     s/(<map\s+id="([^"]+)")\s*>/$1 name="$2">/;
                   3116:     print;
3.132     scop     3117:   }
3.242     scop     3118:
3.229     scop     3119:   $h->finish();
3.219     scop     3120:   print "</div>\n";
3.132     scop     3121:
                   3122:   html_footer();
                   3123: }
                   3124:
3.175     scop     3125:
3.132     scop     3126: #
                   3127: # Generates a graph using CvsGraph.
                   3128: #
3.170     scop     3129: sub doGraph()
3.132     scop     3130: {
                   3131:   (my $pathname = $where) =~ s|[^/]*$||;
                   3132:   (my $filename = $where) =~ s|^.*/||;
                   3133:
                   3134:   http_header('image/png');
                   3135:
3.249     scop     3136:   my @graph_cmd = ($CMD{cvsgraph}, '-r', $cvsroot, '-m', $pathname);
3.132     scop     3137:   push(@graph_cmd, '-c', $cvsgraph_config) if $cvsgraph_config;
3.249     scop     3138:   push(@graph_cmd, $filename . ',v');
3.132     scop     3139:
3.174     scop     3140:   local *CVSGRAPH_OUT;
                   3141:   my ($h, $err) =
3.229     scop     3142:     startproc(\@graph_cmd, \"", '>pipe', \*CVSGRAPH_OUT);
3.174     scop     3143:   fatal('500 Internal Error', $err) unless $h;
3.132     scop     3144:   {
                   3145:     local $/ = undef;
                   3146:     binmode(\*STDOUT);
3.174     scop     3147:     print <CVSGRAPH_OUT>;
3.132     scop     3148:   }
3.229     scop     3149:   $h->finish();
3.132     scop     3150: }
                   3151:
                   3152:
3.120     scop     3153: sub doLog($)
                   3154: {
                   3155:   my ($fullname) = @_;
                   3156:
3.217     scop     3157:   my $curbranch = readLog($fullname);
3.120     scop     3158:
                   3159:   html_header("CVS log for $where");
3.144     scop     3160:
3.262     scop     3161:   (my $upwhere  = $where) =~ s|((?<=/)Attic/)?[^/]+$||;
3.144     scop     3162:   (my $filename = $where) =~ s|^.*/||;
                   3163:   my $backurl = $scriptname . "/" . urlencode($upwhere) . $query;
                   3164:
3.219     scop     3165:   my $isbin = $keywordsubstitution =~ /b/;
                   3166:   my $mimetype = getMimeType($filename, $isbin);
                   3167:
3.120     scop     3168:   print "<p>\n ";
                   3169:   print &link($backicon, "$backurl#$filename"), " <b>Up to ",
                   3170:     &clickablePath($upwhere, 1), "</b>\n</p>\n";
                   3171:   print "<p>\n ";
                   3172:   print &link('Request diff between arbitrary revisions', '#diff');
3.268     scop     3173:   print ' - ', &graph_link('', 'Display revisions graphically')
                   3174:     if $allow_cvsgraph;
3.258     scop     3175:   if ($cvshistory_url) {
                   3176:     (my $d = $upwhere) =~ s|/+$||;
                   3177:     print ' - ', history_link($d, $filename);
                   3178:   }
3.208     scop     3179:   print "\n</p>\n<hr />\n";
3.120     scop     3180:
                   3181:   print "<p>\n";
3.152     scop     3182:
3.219     scop     3183:   my $explain = $isbin ? ' (i.e.: CVS considers this a binary file)' : '';
3.208     scop     3184:   print "Keyword substitution: $keywordsubstitution$explain<br />\n";
3.217     scop     3185:   if ($curbranch) {
                   3186:     print "Default branch: ", ($revsym{$curbranch} || $curbranch);
                   3187:   } else {
                   3188:     print "No default branch";
                   3189:   }
3.208     scop     3190:   print "<br />\n";
3.120     scop     3191:
3.208     scop     3192:   print 'Current tag: ', htmlquote($input{only_with_tag}), "<br />\n"
3.153     scop     3193:     if $input{only_with_tag};
3.120     scop     3194:   print "</p>\n";
                   3195:
                   3196:   undef %nameprinted;
                   3197:
3.182     scop     3198:   for my $r (@revdisplayorder) {
3.208     scop     3199:     print "<hr />\n";
3.182     scop     3200:     my $sel = (defined($input{r1}) && $input{r1} eq $r);
                   3201:     print "<div class=\"diff-selected\">\n" if $sel;
3.219     scop     3202:     printLog($r, $mimetype, $isbin, 1, $sel);
3.182     scop     3203:     print "</div>\n" if $sel;
3.120     scop     3204:   }
                   3205:
3.144     scop     3206:   printf(<<EOF, $scriptwhere);
3.208     scop     3207: <hr />
                   3208: <form method="get" action="%s.diff" id="diff_select">
3.189     scop     3209: <fieldset>
                   3210: <legend>Diff request</legend>
3.144     scop     3211: <p>
                   3212:  <a name="diff">
3.189     scop     3213:   This form allows you to request diffs between any two revisions of a file.
3.144     scop     3214:   You may select a symbolic revision name using the selection box or you may
                   3215:   type in a numeric name using the type-in text box.
                   3216:  </a>
                   3217: </p>
                   3218: EOF
3.120     scop     3219:
                   3220:   foreach (@stickyvars) {
3.208     scop     3221:     printf("<input type=\"hidden\" name=\"%s\" value=\"%s\" />\n",
3.154     scop     3222:            $_, htmlquote($input{$_}))
3.194     scop     3223:       if (defined($input{$_}) &&
                   3224:           (!defined($DEFAULTVALUE{$_}) || $input{$_} ne $DEFAULTVALUE{$_}));
3.120     scop     3225:   }
3.144     scop     3226:
                   3227:   print <<EOF;
3.189     scop     3228: <table summary="Diff between arbitrary revisions">
3.144     scop     3229: <tr>
3.189     scop     3230: <td class="opt-label">
                   3231: <label for="r1" accesskey="1">Diffs between</label>
                   3232: </td>
                   3233: <td class="opt-value">
3.144     scop     3234: <select id="r1" name="r1">
3.208     scop     3235: <option value="text" selected="selected">Use Text Field</option>
3.144     scop     3236: EOF
                   3237:   print $sel, "</select>\n";
                   3238:
                   3239:   my $diffrev = defined($input{r1}) ?
                   3240:     $input{r1} : $revdisplayorder[$#revdisplayorder];
                   3241:
                   3242:   printf(<<EOF, $inputTextSize, $diffrev);
3.208     scop     3243: <input type="text" size="%s" name="tr1" value="%s" onchange="this.form.r1.selectedIndex=0" />
3.144     scop     3244: </td>
3.189     scop     3245: <td></td>
                   3246: </tr>
                   3247: <tr>
                   3248: <td class="opt-label">
                   3249: <label for="r2" accesskey="2">and</label>
                   3250: </td>
                   3251: <td class="opt-value">
3.144     scop     3252: <select id="r2" name="r2">
3.208     scop     3253: <option value="text" selected="selected">Use Text Field</option>
3.144     scop     3254: EOF
                   3255:   print $sel, "</select>\n";
                   3256:
                   3257:   $diffrev = defined($input{r2}) ? $input{r2} : $revdisplayorder[0];
                   3258:
                   3259:   printf(<<EOF, $inputTextSize, $diffrev, $scriptwhere);
3.208     scop     3260: <input type="text" size="%s" name="tr2" value="%s" onchange="this.form.r2.selectedIndex=0" />
3.144     scop     3261: </td>
3.208     scop     3262: <td><input type="submit" value="Get Diffs" accesskey="G" /></td>
3.144     scop     3263: </tr>
                   3264: </table>
3.189     scop     3265: </fieldset>
3.144     scop     3266: </form>
                   3267: <form method="get" action="%s">
3.189     scop     3268: <fieldset>
                   3269: <legend>Log view options</legend>
                   3270: <table summary="Log view options">
3.144     scop     3271: <tr>
3.189     scop     3272: <td class="opt-label">
                   3273: <label for="f" accesskey="D">Preferred diff type:</label>
                   3274: </td>
                   3275: <td class="opt-value">
3.144     scop     3276: EOF
3.120     scop     3277:   printDiffSelect($use_java_script);
3.144     scop     3278:   print <<EOF;
3.189     scop     3279: </td>
                   3280: <td></td>
3.144     scop     3281: </tr>
                   3282: EOF
3.120     scop     3283:
                   3284:   if (@branchnames) {
3.144     scop     3285:
                   3286:     printf(<<EOF, $use_java_script ? ' onchange="this.form.submit()"' : '');
                   3287: <tr>
3.189     scop     3288: <td class="opt-label">
3.188     scop     3289: <label for="only_with_tag" accesskey="B">View only branch:</label>
3.189     scop     3290: </td>
                   3291: <td class="opt-value">
                   3292: <a name="branch">
3.144     scop     3293: <select id="only_with_tag" name="only_with_tag"%s>
                   3294: EOF
3.120     scop     3295:
3.193     scop     3296:     my @tmp = ();
                   3297:     my $selfound = 0;
3.120     scop     3298:     foreach (reverse sort @branchnames) {
3.136     scop     3299:       my $selected =
3.254     scop     3300:         (defined($input{only_with_tag}) && $input{only_with_tag} eq $_);
3.193     scop     3301:       $selfound ||= $selected;
                   3302:       push(@tmp, sprintf('<option%s>%s</option>',
3.208     scop     3303:                          $selected ? ' selected="selected"' : '',
3.193     scop     3304:                          htmlquote($_)));
3.120     scop     3305:     }
3.193     scop     3306:     printf("<option value=\"\"%s>Show all branches</option>\n",
3.208     scop     3307:            $selfound ? '' : ' selected="selected"');
3.193     scop     3308:     print join("\n", @tmp);
                   3309:
3.144     scop     3310:     print <<EOF
                   3311: </select>
3.189     scop     3312: </a>
3.144     scop     3313: </td>
                   3314: <td></td>
                   3315: </tr>
                   3316: EOF
3.120     scop     3317:   }
                   3318:
3.144     scop     3319:   print <<EOF;
3.189     scop     3320: <tr>
                   3321: <td class="opt-label">
                   3322: <label for="logsort" accesskey="L">Sort log by:</label>
                   3323: </td>
                   3324: <td>
3.144     scop     3325: EOF
3.120     scop     3326:   printLogSortSelect($use_java_script);
3.144     scop     3327:   print <<EOF;
3.189     scop     3328: </td>
3.208     scop     3329: <td><input type="submit" value="Set" accesskey="S" /></td>
3.189     scop     3330: </tr>
3.144     scop     3331: </table>
                   3332: EOF
3.154     scop     3333:   foreach (@stickyvars) {
                   3334:     next if ($_ eq "f");
                   3335:     next if ($_ eq "only_with_tag");
                   3336:     next if ($_ eq "logsort");
3.208     scop     3337:     printf("<input type=\"hidden\" name=\"$_\" value=\"%s\" />\n",
3.154     scop     3338:            htmlquote($input{$_}))
                   3339:       if (defined($input{$_})
3.194     scop     3340:           && (!defined($DEFAULTVALUE{$_}) || $input{$_} ne $DEFAULTVALUE{$_}));
3.154     scop     3341:   }
3.189     scop     3342:   print "</fieldset>\n</form>\n";
3.120     scop     3343:   html_footer();
                   3344: }
                   3345:
3.175     scop     3346:
3.120     scop     3347: sub flush_diff_rows($$$$)
                   3348: {
                   3349:   my ($leftColRef, $rightColRef, $leftRow, $rightRow) = @_;
                   3350:
3.175     scop     3351:   return unless defined($state);
3.120     scop     3352:
                   3353:   if ($state eq "PreChangeRemove") {    # we just got remove-lines before
3.133     scop     3354:     for (my $j = 0; $j < $leftRow; $j++) {
3.256     scop     3355:       printf(<<EOF, spacedHtmlText(@$leftColRef[$j]));
3.144     scop     3356: <tr>
3.260     scop     3357:  <td class="diff diff-removed">&nbsp;%s</td>
                   3358:  <td class="diff diff-empty">&nbsp;</td>
3.144     scop     3359: </tr>
                   3360: EOF
3.120     scop     3361:     }
                   3362:   } elsif ($state eq "PreChange") {     # state eq "PreChange"
                   3363:                                         # we got removes with subsequent adds
3.222     scop     3364:     if (HAS_EDIFF) {
3.176     scop     3365:       # construct the suffix tree
                   3366:       my $left_diff = join("\n", @$leftColRef[0..$leftRow-1]);
                   3367:       my $right_diff = join("\n", @$rightColRef[0..$rightRow-1]);
                   3368:       my $diff_str = String::Ediff::ediff($left_diff, $right_diff);
                   3369:
                   3370:       my @diff_str = split(/ /, $diff_str);
                   3371:       my $INFINITY = 10000000;
                   3372:       push(@diff_str, ($INFINITY) x 8);
                   3373:       my ($idx, $b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2) =
                   3374:         (0, @diff_str[0..7]);
                   3375:       my ($l_cul, $r_cul) = (0, 0);
                   3376:       my ($ldx, $rdx) = (0, 0);
                   3377:       my (@left_html, @right_html);
                   3378:       for (my $j = 0; $j < $leftRow; $j++) {
                   3379:         my $line_len = length(@$leftColRef[$j]);
                   3380:         my $line = @$leftColRef[$j];
                   3381:         $l_cul += length($line) + 1; # includes "\n"
                   3382:         my $l_culx = $l_cul - 1; # not includes "\n"
                   3383:         if ($j < $lb1) {
                   3384:           $line = spacedHtmlText($line);
3.260     scop     3385:           push(@left_html, "<td class=\"diff diff-changed\">$line</td>");
3.176     scop     3386:         } elsif ($lb1 == $j) {
                   3387:           my $html_line;
                   3388:           while ($lb1 == $j) {
                   3389:             my $begin_char = $l_culx - $b1;
                   3390:
                   3391:             $line =~ /^(.*)(.{$begin_char})$/;
                   3392:             $html_line .= spacedHtmlText($1) .
3.260     scop     3393:               '</span><span class="diff diff-unchanged">';
3.176     scop     3394:             $line = $2;
                   3395:             last if ($j != $le1);
                   3396:
                   3397:             my $end_char = $l_culx - $e1;
                   3398:             $line =~ /^(.*)(.{$end_char})$/;
                   3399:             $html_line .= spacedHtmlText($1) .
3.260     scop     3400:               '</span><span class="diff diff-changed">';
3.176     scop     3401:             $line = $2;
                   3402:
                   3403:             $idx++;
                   3404:             my ($tb1, $te1, $tlb1, $tle1, $tb2, $te2, $tlb2, $tle2) =
                   3405:               ($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2);
                   3406:             ($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2) =
                   3407:               @diff_str[$idx*8..($idx+1)*8-1];
                   3408:             $lb1 = $INFINITY if ($lb1 < 0);
                   3409:             $lb2 = $INFINITY if ($lb2 < 0);
                   3410:             $le1 = $INFINITY if ($le1 < 0);
                   3411:             $le2 = $INFINITY if ($le2 < 0);
                   3412:             if ($te1 > $b1) {
                   3413:               ($b1, $lb1) = ($te1, $tle1);
                   3414:             }
                   3415:             if ($te2 > $b2) {
                   3416:               ($b2, $lb2) = ($te2, $tle2);
                   3417:             }
                   3418:           }
                   3419:           push(@left_html,
3.260     scop     3420:                sprintf('<td><span class="diff diff-changed">%s%s</span></td>',
                   3421:                        $html_line, spacedHtmlText($line)));
3.176     scop     3422:         } elsif ($le1 == $j) {
                   3423:           my $html_line;
                   3424:           while ($le1 == $j) {
                   3425:             my $end_char = $l_culx - $e1;
                   3426:             $line =~ /^(.*)(.{$end_char})$/;
                   3427:             $html_line .= spacedHtmlText($1) .
3.260     scop     3428:               '</span><span class="diff diff-changed">';
3.176     scop     3429:             $line = $2;
                   3430:
                   3431:             $idx++;
                   3432:             my ($tb1, $te1, $tlb1, $tle1, $tb2, $te2, $tlb2, $tle2) =
                   3433:               ($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2);
                   3434:             ($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2) =
                   3435:               @diff_str[$idx*8..($idx+1)*8-1];
                   3436:             $lb1 = $INFINITY if ($lb1 < 0);
                   3437:             $lb2 = $INFINITY if ($lb2 < 0);
                   3438:             $le1 = $INFINITY if ($le1 < 0);
                   3439:             $le2 = $INFINITY if ($le2 < 0);
                   3440:             if ($te1 > $b1) {
                   3441:               ($b1, $lb1) = ($te1, $tle1);
                   3442:             }
                   3443:             if ($te2 > $b2) {
                   3444:               ($b2, $lb2) = ($te2, $tle2);
                   3445:             }
                   3446:
                   3447:             last if ($lb1 != $j);
                   3448:
                   3449:             my $begin_char = $l_culx - $b1;
                   3450:
                   3451:             $line =~ /^(.*)(.{$begin_char})$/;
                   3452:             $html_line .= spacedHtmlText($1) .
3.260     scop     3453:               '</span><span class="diff diff-unchanged">';
3.176     scop     3454:             $line = $2;
                   3455:           }
                   3456:           push(@left_html,
3.260     scop     3457:               sprintf('<td><span class="diff diff-unchanged">%s%s</span></td>',
                   3458:                       $html_line, spacedHtmlText($line)));
3.176     scop     3459:         } else {
                   3460:           $line = spacedHtmlText($line);
3.260     scop     3461:           push(@left_html, "<td class=\"diff diff-unchanged\">$line</td>");
3.176     scop     3462:         }
                   3463:       }
                   3464:       ($idx, $b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2) =
                   3465:         (0, @diff_str[0..7]);
                   3466:       $lb1 = $INFINITY if ($lb1 < 0);
                   3467:       $lb2 = $INFINITY if ($lb2 < 0);
                   3468:       $le1 = $INFINITY if ($le1 < 0);
                   3469:       $le2 = $INFINITY if ($le2 < 0);
                   3470:       for (my $j = 0; $j < $rightRow; $j++) {
                   3471:         my $line_len = length(@$rightColRef[$j]);
                   3472:         my $line = @$rightColRef[$j];
                   3473:         $r_cul += length($line) + 1; # includes "\n"
                   3474:         my $r_culx = $r_cul - 1; # not includes "\n"
                   3475:         if ($j < $lb2) {
                   3476:           $line = spacedHtmlText($line);
3.260     scop     3477:           push(@right_html, "<td class=\"diff diff-changed\">$line</td>");
3.176     scop     3478:         } elsif ($lb2 == $j) {
                   3479:           my $html_line;
                   3480:           while ($lb2 == $j) {
                   3481:             my $begin_char = $r_culx - $b2;
                   3482:
                   3483:             $line =~ /^(.*)(.{$begin_char})$/;
                   3484:             $html_line .= spacedHtmlText($1) .
3.260     scop     3485:               '</span><span class="diff diff-unchanged">';
3.176     scop     3486:             $line = $2;
                   3487:
                   3488:             last if ($j != $le2);
                   3489:
                   3490:             my $end_char = $r_culx - $e2;
                   3491:             $line =~ /^(.*)(.{$end_char})$/;
                   3492:             $html_line .= spacedHtmlText($1) .
3.260     scop     3493:               '</span><span class="diff diff-changed">';
3.176     scop     3494:             $line = $2;
                   3495:
                   3496:             $idx++;
                   3497:             my ($tb1, $te1, $tlb1, $tle1, $tb2, $te2, $tlb2, $tle2) =
                   3498:               ($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2);
                   3499:             ($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2) =
                   3500:               @diff_str[$idx*8..($idx+1)*8-1];
                   3501:             $lb1 = $INFINITY if ($lb1 < 0);
                   3502:             $lb2 = $INFINITY if ($lb2 < 0);
                   3503:             $le1 = $INFINITY if ($le1 < 0);
                   3504:             $le2 = $INFINITY if ($le2 < 0);
                   3505:             if ($te1 > $b1) {
                   3506:               ($b1, $lb1) = ($te1, $tle1);
                   3507:             }
                   3508:             if ($te2 > $b2) {
                   3509:               ($b2, $lb2) = ($te2, $tle2);
                   3510:             }
                   3511:           }
                   3512:           push(@right_html,
3.260     scop     3513:                sprintf('<td><span class="diff diff-changed">%s%s</span></td>',
                   3514:                        $html_line, spacedHtmlText($line)));
3.176     scop     3515:         } elsif ($le2 == $j) {
                   3516:           my $html_line;
                   3517:           while ($le2 == $j) {
                   3518:             my $end_char = $r_culx - $e2;
                   3519:             $line =~ /^(.*)(.{$end_char})$/;
                   3520:             $html_line .= spacedHtmlText($1) .
3.260     scop     3521:               '</span><span class="diff diff-changed">';
3.176     scop     3522:             $line = $2;
                   3523:
                   3524:             $idx++;
                   3525:             my ($tb1, $te1, $tlb1, $tle1, $tb2, $te2, $tlb2, $tle2) =
                   3526:               ($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2);
                   3527:             ($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2) =
                   3528:               @diff_str[$idx*8..($idx+1)*8-1];
                   3529:             $lb1 = $INFINITY if ($lb1 < 0);
                   3530:             $lb2 = $INFINITY if ($lb2 < 0);
                   3531:             $le1 = $INFINITY if ($le1 < 0);
                   3532:             $le2 = $INFINITY if ($le2 < 0);
                   3533:             if ($te1 > $b1) {
                   3534:               ($b1, $lb1) = ($te1, $tle1);
                   3535:             }
                   3536:             if ($te2 > $b2) {
                   3537:               ($b2, $lb2) = ($te2, $tle2);
                   3538:             }
                   3539:
                   3540:             last if ($lb2 != $j);
                   3541:
                   3542:             my $begin_char = $r_culx - $b2;
                   3543:             $line =~ /^(.*)(.{$begin_char})$/;
                   3544:             $html_line .= spacedHtmlText($1) .
3.260     scop     3545:               '</span><span class="diff diff-unchanged">';
3.176     scop     3546:             $line = $2;
                   3547:           }
                   3548:           push(@right_html,
3.260     scop     3549:                sprintf('<td nowrap="nowrap"><span class="diff diff-unchanged"'.
                   3550:                        '>%s%s</span></td>',
                   3551:                        $html_line, spacedHtmlText($line)));
3.176     scop     3552:         } else {
                   3553:           $line = spacedHtmlText ($line);
3.260     scop     3554:           push @right_html, "<td class=\"diff diff-unchanged\">$line</td>";
3.176     scop     3555:         }
                   3556:       }
                   3557:       for (my $j = 0; $j < $leftRow || $j < $rightRow ; $j++) { # dump out both cols
                   3558:         print  '<tr>';
                   3559:         if ($j < $leftRow) {
                   3560:           print $left_html[$j];
                   3561:         } else {
3.260     scop     3562:           print '<td class="diff diff-changed-missing">&nbsp;</td>';
3.176     scop     3563:         }
                   3564:         if ($j < $rightRow) {
                   3565:           print $right_html[$j];
                   3566:         } else {
3.260     scop     3567:           print '<td class="diff diff-changed-missing">&nbsp;</td>';
3.176     scop     3568:         }
                   3569:         print "</tr>\n";
3.120     scop     3570:       }
3.176     scop     3571:     } else {
                   3572:       for (my $j = 0; $j < $leftRow || $j < $rightRow; $j++) { # dump both cols
                   3573:         print "<tr>\n";
                   3574:         if ($j < $leftRow) {
3.260     scop     3575:           print '<td class="diff diff-changed">&nbsp;' .
3.176     scop     3576:             spacedHtmlText(@$leftColRef[$j]) . '</td>';
                   3577:         } else {
3.260     scop     3578:           print '<td class="diff diff-changed-missing">&nbsp;</td>';
3.176     scop     3579:         }
                   3580:         print "\n";
3.120     scop     3581:
3.176     scop     3582:         if ($j < $rightRow) {
3.260     scop     3583:           print '<td class="diff diff-changed">&nbsp;' .
3.176     scop     3584:             spacedHtmlText(@$rightColRef[$j]) . '</td>';
                   3585:         } else {
3.260     scop     3586:           print '<td class="diff diff-changed-missing">&nbsp;</td>';
3.176     scop     3587:         }
                   3588:         print "\n</tr>\n";
3.120     scop     3589:       }
                   3590:     }
                   3591:   }
3.1       knu      3592: }
                   3593:
3.175     scop     3594:
3.263     scop     3595: #
                   3596: # Generates "human readable", HTMLified diffs.
                   3597: #
3.144     scop     3598: sub human_readable_diff($$)
3.120     scop     3599: {
                   3600:   my ($fh, $rev) = @_;
3.144     scop     3601:
3.169     scop     3602:   (my $where_nd       = $where)       =~ s|\.diff$||;
                   3603:   (my $filename       = $where_nd)    =~ s|^.*/||;
3.262     scop     3604:   (my $pathname       = $where_nd)    =~ s|((?<=/)Attic/)?[^/]*$||;
3.169     scop     3605:   (my $scriptwhere_nd = $scriptwhere) =~ s|\.diff$||;
3.120     scop     3606:
3.133     scop     3607:   navigateHeader($scriptwhere_nd, $pathname, $filename, $rev, 'diff');
3.120     scop     3608:
3.178     scop     3609:   # Read header to pick up read revision and date, if possible.
                   3610:
                   3611:   my ($r1d, $r1r, $r2d, $r2r);
3.120     scop     3612:   while (<$fh>) {
                   3613:     ($r1d, $r1r) = /\t(.*)\t(.*)$/ if (/^--- /);
                   3614:     ($r2d, $r2r) = /\t(.*)\t(.*)$/ if (/^\+\+\+ /);
                   3615:     last if (/^\+\+\+ /);
                   3616:   }
                   3617:
3.178     scop     3618:   my ($rev1, $date1);
3.120     scop     3619:   if (defined($r1r) && $r1r =~ /^(\d+\.)+\d+$/) {
                   3620:     $rev1  = $r1r;
                   3621:     $date1 = $r1d;
                   3622:   }
3.178     scop     3623:   my ($rev2, $date2);
3.120     scop     3624:   if (defined($r2r) && $r2r =~ /^(\d+\.)+\d+$/) {
                   3625:     $rev2  = $r2r;
                   3626:     $date2 = $r2d;
                   3627:   }
3.178     scop     3628:   $rev1  = 'unknown-left'  unless defined($rev1);
                   3629:   $rev2  = 'unknown-right' unless defined($rev2);
                   3630:   $date1 = defined($date1) ? ', ' . htmlquote($date1) : '';
                   3631:   $date2 = defined($date2) ? ', ' . htmlquote($date2) : '';
3.120     scop     3632:
3.219     scop     3633:   my $link = uri_escape($filename) . $query;
3.210     scop     3634:
3.144     scop     3635:   # Using <table style=\"border: none\" here breaks NS 4.x badly...
3.210     scop     3636:   print <<EOF;
                   3637: <h3 style="text-align: center">Diff for /$where_nd between versions $rev1 and $rev2</h3>
                   3638: <table border="0" cellspacing="0" cellpadding="0" width="100%" summary="Diff output">
3.144     scop     3639: <tr style="background-color: #ffffff">
3.210     scop     3640: <th style="text-align: center; vertical-align: top" width="50%">
                   3641: <a href="$link;rev=$rev1">version $rev1</a>$date1
3.178     scop     3642: </th>
3.210     scop     3643: <th style="text-align: center; vertical-align: top" width="50%">
                   3644: <a href="$link;rev=$rev2">version $rev2</a>$date2
3.144     scop     3645: </th>
3.178     scop     3646: </tr>
3.144     scop     3647: EOF
3.120     scop     3648:
                   3649:   # Process diff text
                   3650:   # prefetch several lines
                   3651:   my @buf = head($fh);
3.144     scop     3652:   my %d = scan_directives(@buf);
3.120     scop     3653:
3.144     scop     3654:   my $leftRow  = 0;
                   3655:   my $rightRow = 0;
                   3656:   my ($difftxt, @rightCol, @leftCol, $oldline, $newline, $funname);
3.120     scop     3657:
3.219     scop     3658:   $link .= ';content-type=text%2Fx-cvsweb-markup';
3.210     scop     3659:   $link .= ';ln=1' unless ($link =~ /\?.*\bln=1\b/);
                   3660:
3.120     scop     3661:   while (@buf || !eof($fh)) {
                   3662:     $difftxt = @buf ? shift @buf : <$fh>;
                   3663:
                   3664:     if ($difftxt =~ /^@@/) {
                   3665:       ($oldline, $newline, $funname) =
                   3666:         $difftxt =~ /@@ \-([0-9]+).*\+([0-9]+).*@@(.*)/;
                   3667:       $funname = htmlquote($funname);
                   3668:       $funname =~ s/\s/&nbsp;/go;
3.182     scop     3669:       $funname &&= "&nbsp;<span style=\"font-size: smaller\">$funname</span>";
3.210     scop     3670:       my $ol = $oldline || 1;
                   3671:       my $nl = $newline || 1;
3.144     scop     3672:
3.210     scop     3673:       print <<EOF;
3.182     scop     3674: <tr>
3.210     scop     3675: <td width="50%" class="diff-heading">
                   3676:  <b><a href="$link;rev=$rev1#l$ol">Line&nbsp;$oldline</a></b>$funname
3.182     scop     3677: </td>
3.210     scop     3678: <td width="50%" class="diff-heading">
                   3679:  <b><a href="$link;rev=$rev2#l$nl">Line&nbsp;$newline</a></b>$funname
3.144     scop     3680: </td>
3.208     scop     3681: </tr>
3.144     scop     3682: EOF
                   3683:
3.120     scop     3684:       $state    = "dump";
                   3685:       $leftRow  = 0;
                   3686:       $rightRow = 0;
                   3687:     } else {
3.224     scop     3688:       my ($diffcode, $rest) = $difftxt =~ /^([-+ ])(.*)/;
                   3689:       $diffcode = '' unless defined($diffcode);
3.176     scop     3690:       $_ = $rest;
3.120     scop     3691:
                   3692:       #########
                   3693:       # little state machine to parse unified-diff output (Hen, zeller@think.de)
                   3694:       # in order to get some nice 'ediff'-mode output
                   3695:       # states:
                   3696:       #  "dump"             - just dump the value
                   3697:       #  "PreChangeRemove"  - we began with '-' .. so this could be the start of a 'change' area or just remove
                   3698:       #  "PreChange"        - okey, we got several '-' lines and moved to '+' lines -> this is a change block
                   3699:       ##########
                   3700:
                   3701:       if ($diffcode eq '+') {
                   3702:         if ($state eq "dump")
                   3703:         {    # 'change' never begins with '+': just dump out value
3.254     scop     3704:           $_ = spacedHtmlText($rest, $d{tabstop});
3.144     scop     3705:           printf(<<EOF, $_);
                   3706: <tr>
3.260     scop     3707:  <td class="diff diff-empty">&nbsp;</td>
                   3708:  <td class="diff diff-added">&nbsp;%s</td>
3.144     scop     3709: </tr>
                   3710: EOF
3.120     scop     3711:         } else {    # we got minus before
                   3712:           $state = "PreChange";
                   3713:           $rightCol[$rightRow++] = $_;
                   3714:         }
                   3715:       } elsif ($diffcode eq '-') {
                   3716:         $state = "PreChangeRemove";
                   3717:         $leftCol[$leftRow++] = $_;
                   3718:       } else {    # empty diffcode
                   3719:         flush_diff_rows \@leftCol, \@rightCol, $leftRow, $rightRow;
3.254     scop     3720:         $_ = spacedHtmlText($rest, $d{tabstop});
3.147     scop     3721:         printf(<<EOF, $_, $_);
3.144     scop     3722: <tr>
3.260     scop     3723:  <td class="diff diff-same">&nbsp;%s</td>
                   3724:  <td class="diff diff-same">&nbsp;%s</td>
3.144     scop     3725: </tr>
                   3726: EOF
3.120     scop     3727:         $state    = "dump";
                   3728:         $leftRow  = 0;
                   3729:         $rightRow = 0;
                   3730:       }
                   3731:     }
                   3732:   }
                   3733:   close($fh);
                   3734:
                   3735:   flush_diff_rows \@leftCol, \@rightCol, $leftRow, $rightRow;
                   3736:
                   3737:   # state is empty if we didn't have any change
                   3738:   if (!$state) {
3.144     scop     3739:     print <<EOF;
                   3740: <tr>
                   3741:  <td colspan="2">&nbsp;</td>
                   3742: </tr>
3.260     scop     3743: <tr class="diff diff-empty">
3.144     scop     3744:  <td colspan="2" align="center"><b>- No viewable change -</b></td>
                   3745: </tr>
                   3746: EOF
3.120     scop     3747:   }
                   3748:
3.182     scop     3749:   printf(<<EOF, $scriptwhere);
3.144     scop     3750: </table>
3.208     scop     3751: <hr style="width: 100%%" />
3.144     scop     3752: <form method="get" action="%s">
3.182     scop     3753: <div style="float: left">
3.208     scop     3754: <label for="f">Diff format:<br />
3.144     scop     3755: EOF
3.168     scop     3756:   printDiffSelectStickyVars();
3.120     scop     3757:   printDiffSelect($use_java_script);
3.182     scop     3758:   printf(<<EOF, $rev1, $rev2);
3.179     scop     3759: </label>
3.208     scop     3760: <input type="submit" value="Show" />
3.182     scop     3761: </div>
                   3762: <table style="float: right; border: thin outset" cellspacing="0" cellpadding="1" title="Legend" summary="Legend">
                   3763:  <tr>
3.260     scop     3764:   <td align="center" class="diff diff-removed">Removed from v.%s</td>
                   3765:   <td class="diff diff-empty">&nbsp;</td>
                   3766:  </tr><tr class="diff diff-changed">
3.182     scop     3767:   <td align="center" colspan="2">changed lines</td>
                   3768:  </tr><tr>
3.260     scop     3769:   <td class="diff diff-empty">&nbsp;</td>
                   3770:   <td align="center" class="diff diff-added">Added in v.%s</td>
3.182     scop     3771:  </tr>
3.144     scop     3772: </table>
                   3773: </form>
3.208     scop     3774: <br clear="all" />
3.144     scop     3775: EOF
3.120     scop     3776: }
3.167     scop     3777:
                   3778:
3.245     scop     3779: sub doEnscript($$$;$)
3.167     scop     3780: {
3.240     scop     3781:   my ($filehandle, $highlight, $linenumbers, $lang) = @_;
                   3782:   $lang ||= 'cvsweb';
3.167     scop     3783:
3.174     scop     3784:   my @cmd = ($CMD{enscript},
                   3785:              @enscript_options,
3.240     scop     3786:              '-q', "--language=$lang", '-o', '-', "--highlight=$highlight");
3.174     scop     3787:
                   3788:   local *ENSCRIPT_OUT;
                   3789:   my ($h, $err) =
3.229     scop     3790:     startproc(\@cmd, $filehandle, '>pipe', \*ENSCRIPT_OUT);
3.174     scop     3791:   fatal('500 Internal Error', $err) unless $h;
                   3792:
                   3793:   # We could short-circuit and have enscript output directly to STDOUT above,
                   3794:   # but that doesn't work with mod_perl (at least some 1.99 versions).
                   3795:   if ($linenumbers) {
                   3796:     my $ln = 0;
                   3797:     while (<ENSCRIPT_OUT>) {
                   3798:       printf '<a id="l%d" class="src">%5d: </a>', (++$ln) x 2;
                   3799:       print $_;
3.167     scop     3800:     }
3.174     scop     3801:   } else {
                   3802:     local $/ = undef;
                   3803:     print <ENSCRIPT_OUT>;
3.167     scop     3804:   }
3.229     scop     3805:   $h->finish();
3.167     scop     3806: }
                   3807:
3.120     scop     3808:
3.163     scop     3809: sub navigateHeader($$$$$;$)
3.120     scop     3810: {
3.163     scop     3811:   my ($swhere, $path, $filename, $rev, $title, $moddate) = @_;
3.120     scop     3812:   $swhere = "" if ($swhere eq $scriptwhere);
                   3813:   $swhere = './' . urlencode($filename) if ($swhere eq "");
                   3814:
3.136     scop     3815:   my $qfile = htmlquote($filename);
                   3816:   my $qpath = htmlquote($path);
3.170     scop     3817:   my $trev  = $rev ? " - $rev" : '';
3.100     knu      3818:
3.163     scop     3819:   http_header('', $moddate);
3.133     scop     3820:
3.120     scop     3821:   print <<EOF;
3.100     knu      3822: $HTML_DOCTYPE
3.89      knu      3823: <html>
                   3824: <head>
3.170     scop     3825: <title>$qpath$qfile - $title$trev</title>
3.144     scop     3826: $HTML_META$CSS</head>
3.129     scop     3827: <body class="src">
3.265     scop     3828: <table class="navigate-header" width="100%" summary="Navigation">
3.184     scop     3829:  <tr>
                   3830:   <td>
3.64      knu      3831: EOF
                   3832:
3.170     scop     3833:   print &link($backicon, "$swhere$query" . ($rev ? "#rev$rev" : ''));
3.136     scop     3834:   printf '<b>Return to %s CVS log',
3.205     scop     3835:     &link($qfile, "$swhere$query" . ($rev ? "#rev$rev" : ''));
3.120     scop     3836:   print "</b> $fileicon</td>";
                   3837:
3.144     scop     3838:   printf(<<EOF, $diricon, &clickablePath($path, 1));
3.182     scop     3839:   <td style="text-align: right">%s <b>Up to %s</b></td>
3.144     scop     3840:  </tr>
                   3841: </table>
                   3842: EOF
3.120     scop     3843: }
                   3844:
3.175     scop     3845:
3.120     scop     3846: sub plural_write($$)
                   3847: {
                   3848:   my ($num, $text) = @_;
                   3849:   if ($num != 1) {
                   3850:     $text .= "s";
                   3851:   }
                   3852:
                   3853:   if ($num > 0) {
                   3854:     return join (' ', $num, $text);
                   3855:   } else {
                   3856:     return "";
                   3857:   }
3.1       knu      3858: }
                   3859:
3.175     scop     3860:
3.1       knu      3861: ##
                   3862: # print readable timestamp in terms of
                   3863: # '..time ago'
                   3864: # H. Zeller <zeller@think.de>
                   3865: ##
3.120     scop     3866: sub readableTime($$)
                   3867: {
                   3868:   my ($secs, $long) = @_;
                   3869:
3.175     scop     3870:   # This function works correctly for time >= 2 seconds.
                   3871:   return 'very little time' if ($secs < 2);
3.120     scop     3872:
                   3873:   my %desc = (
3.133     scop     3874:               1        => 'second',
                   3875:               60       => 'minute',
                   3876:               3600     => 'hour',
                   3877:               86400    => 'day',
                   3878:               604800   => 'week',
                   3879:               2628000  => 'month',
                   3880:               31536000 => 'year'
                   3881:              );
                   3882:
3.120     scop     3883:   my @breaks = sort { $a <=> $b } keys %desc;
3.133     scop     3884:   my $i = 0;
3.120     scop     3885:
                   3886:   while ($i <= $#breaks && $secs >= 2 * $breaks[$i]) {
                   3887:     $i++;
                   3888:   }
                   3889:   $i--;
3.133     scop     3890:   my $break  = $breaks[$i];
                   3891:   my $retval = plural_write(int($secs / $break), $desc{$break});
3.120     scop     3892:
                   3893:   if ($long == 1 && $i > 0) {
                   3894:     my $rest = $secs % $break;
                   3895:     $i--;
                   3896:     $break = $breaks[$i];
                   3897:     my $resttime = plural_write(int($rest / $break), $desc{$break});
                   3898:     if ($resttime) {
                   3899:       $retval .= ", $resttime";
                   3900:     }
                   3901:   }
3.1       knu      3902:
3.120     scop     3903:   return $retval;
3.1       knu      3904: }
                   3905:
3.175     scop     3906:
3.1       knu      3907: #
3.263     scop     3908: # Returns a htmlified path where each directory is a link for faster
                   3909: # navigation.  $clickLast controls whether the basename
                   3910: # (last directory/file) is a link as well.
                   3911: #
3.120     scop     3912: sub clickablePath($$)
                   3913: {
                   3914:   my ($pathname, $clickLast) = @_;
                   3915:
3.154     scop     3916:   my $root = '[' . htmlquote($CVSROOTdescr{$cvstree} || $cvstree) . ']';
                   3917:
3.144     scop     3918:   # This should never happen (see chooseCVSRoot()), but let's be sure...
3.154     scop     3919:   return $root if ($pathname eq '/');
3.120     scop     3920:
3.144     scop     3921:   my $retval =
3.154     scop     3922:     ' ' . &link($root, sprintf('%s/%s#dirlist', $scriptname, $query));
3.144     scop     3923:   my $wherepath = '';
                   3924:   my ($lastslash) = $pathname =~ m|/$|;
                   3925:
3.261     scop     3926:   foreach (split(m|/|, $pathname)) {
3.144     scop     3927:     $retval .= ' / ';
                   3928:     $wherepath .= "/$_";
                   3929:     my $last = "$wherepath/" eq "/$pathname" || $wherepath eq "/$pathname";
                   3930:
                   3931:     if ($clickLast || !$last) {
                   3932:       $retval .= &link(htmlquote($_),
                   3933:                        join ('',
                   3934:                              $scriptname, urlencode($wherepath),
                   3935:                              (!$last || $lastslash ? '/' : ''), $query,
                   3936:                              (!$last || $lastslash ? "#dirlist" : "")));
                   3937:     } else {    # do not make a link to the current dir
                   3938:       $retval .= htmlquote($_);
3.120     scop     3939:     }
                   3940:   }
                   3941:   return $retval;
                   3942: }
                   3943:
3.144     scop     3944:
3.120     scop     3945: sub chooseCVSRoot()
                   3946: {
3.268     scop     3947:   print "<form method=\"get\" action=\"$scriptwhere\">\n<p>\n";
3.120     scop     3948:   if (2 <= @CVSROOT) {
3.133     scop     3949:     foreach my $k (keys %input) {
3.208     scop     3950:       printf("<input type=\"hidden\" name=\"%s\" value=\"%s\" />\n",
3.154     scop     3951:              htmlquote($k), htmlquote($input{$k}))
                   3952:         if ($input{$k} && $k ne 'cvsroot');
3.120     scop     3953:     }
                   3954:
3.144     scop     3955:     printf(<<EOF, $use_java_script ? ' onchange="this.form.submit()"' : '');
3.208     scop     3956: <label for="cvsroot" accesskey="C">CVS Root:
3.144     scop     3957: <select id="cvsroot" name="cvsroot"%s>
                   3958: EOF
3.120     scop     3959:
3.133     scop     3960:     foreach my $k (@CVSROOT) {
3.136     scop     3961:       printf("<option value=\"%s\"%s>%s</option>\n",
                   3962:              htmlquote($k),
3.208     scop     3963:              ($k eq $cvstree) ? ' selected="selected"' : '',
3.136     scop     3964:              htmlquote($CVSROOTdescr{$k} || $k));
3.120     scop     3965:     }
3.208     scop     3966:     print '</select></label>';
3.120     scop     3967:   } else {
                   3968:
                   3969:     # no choice -- but we need the form to select module/path,
                   3970:     # at least for Netscape
3.208     scop     3971:     printf "CVS Root: <b>[%s]</b>",
3.154     scop     3972:       htmlquote($CVSROOTdescr{$cvstree} || $cvstree);
3.120     scop     3973:   }
                   3974:
3.144     scop     3975:   print <<EOF;
                   3976: <label for="mpath" accesskey="M">
                   3977: Module path or alias:
3.208     scop     3978: <input type="text" id="mpath" name="path" value="" size="15" />
3.144     scop     3979: </label>
3.208     scop     3980: <input type="submit" value="Go" accesskey="O" />
                   3981: </p>
                   3982: </form>
3.144     scop     3983: EOF
3.120     scop     3984: }
                   3985:
3.175     scop     3986:
3.120     scop     3987: sub chooseMirror()
                   3988: {
                   3989:   # This code comes from the original BSD-cvsweb
                   3990:   # and may not be useful for your site; If you don't
                   3991:   # set %MIRRORS this won't show up, anyway.
                   3992:   scalar(%MIRRORS) or return;
                   3993:
                   3994:   # Should perhaps exclude the current site somehow...
                   3995:   print "\n<p>\nThis CVSweb is mirrored in\n";
                   3996:
                   3997:   my @tmp = map(&link(htmlquote($_), $MIRRORS{$_}), sort keys %MIRRORS);
                   3998:   my $tmp = pop (@tmp);
                   3999:
                   4000:   if (scalar(@tmp)) {
                   4001:     print join (', ', @tmp), ' and ';
                   4002:   }
                   4003:
                   4004:   print "$tmp.\n</p>\n";
                   4005: }
                   4006:
3.175     scop     4007:
3.120     scop     4008: sub fileSortCmp()
                   4009: {
3.175     scop     4010:   (my $af = $a) =~ s/,v$//;
                   4011:   (my $bf = $b) =~ s/,v$//;
3.120     scop     4012:   my ($rev1, $date1, $log1, $author1, $filename1) = @{$fileinfo{$af}}
                   4013:     if (defined($fileinfo{$af}));
                   4014:   my ($rev2, $date2, $log2, $author2, $filename2) = @{$fileinfo{$bf}}
                   4015:     if (defined($fileinfo{$bf}));
                   4016:
3.175     scop     4017:   my $comp = 0;
3.140     scop     4018:   if (defined($filename1) && defined($filename2) &&
                   4019:       $af eq $filename1   && $bf eq $filename2)
3.120     scop     4020:   {
                   4021:
                   4022:     # Two files
3.140     scop     4023:     $comp = -revcmp($rev1, $rev2)             if ($byrev  && $rev1  && $rev2);
                   4024:     $comp = ($date2   <=> $date1)             if ($bydate && $date1 && $date2);
                   4025:     if ($input{ignorecase}) {
                   4026:       $comp = (uc($log1)    cmp uc($log2))    if ($bylog && $log1 && $log2);
                   4027:       $comp = (uc($author1) cmp uc($author2)) if ($byauthor &&
                   4028:                                                   $author1 && $author2);
                   4029:     } else {
                   4030:       $comp = ($log1    cmp $log2)            if ($bylog && $log1 && $log2);
                   4031:       $comp = ($author1 cmp $author2)         if ($byauthor &&
                   4032:                                                   $author1 && $author2);
                   4033:     }
3.120     scop     4034:   }
                   4035:
                   4036:   if ($comp == 0) {
                   4037:
                   4038:     # Directories first, then files under version control,
                   4039:     # then other, "rogue" files.
                   4040:     # Sort by filename if no other criteria available.
                   4041:
                   4042:     my $ad = (
                   4043:       (-d "$fullname/$a")
                   4044:       ? 'D'
                   4045:       : (defined($fileinfo{$af}) ? 'F' : 'R')
                   4046:     );
                   4047:     my $bd = (
                   4048:       (-d "$fullname/$b")
                   4049:       ? 'D'
                   4050:       : (defined($fileinfo{$bf}) ? 'F' : 'R')
                   4051:     );
3.175     scop     4052:     (my $c = $a) =~ s|.*/||;
                   4053:     (my $d = $b) =~ s|.*/||;
3.144     scop     4054:
                   4055:     my ($l, $r) = ("$ad$c", "$bd$d");
                   4056:     $comp = $input{ignorecase} ? (uc($l) cmp uc($r)) : ($l cmp $r);
                   4057:
                   4058:     # Parent dir is always first, then Attic.
                   4059:     if ($comp != 0) {
                   4060:       if ($l eq 'D..') {
3.149     scop     4061:         $comp = -1;
3.144     scop     4062:       } elsif ($r eq 'D..') {
3.149     scop     4063:         $comp = 1;
3.144     scop     4064:       } elsif ($l eq 'DAttic') {
3.149     scop     4065:         $comp = -1;
3.144     scop     4066:       } elsif ($r eq 'DAttic') {
3.149     scop     4067:         $comp = 1;
3.144     scop     4068:       }
                   4069:     }
3.120     scop     4070:   }
                   4071:   return $comp;
3.1       knu      4072: }
                   4073:
3.220     scop     4074: #
                   4075: # Returns a URL to download the selected revision.
3.263     scop     4076: # Expects the passed in URL to be URI escaped, and without a query string.
3.220     scop     4077: #
3.120     scop     4078: sub download_url($$;$)
                   4079: {
                   4080:   my ($url, $revision, $mimetype) = @_;
3.252     scop     4081:   my @dots = $revision =~ /\./g;
                   4082:   $revision =~ s/\b0\.(?=\d+$)// if (scalar(@dots) & 1);
3.1       knu      4083:
3.222     scop     4084:   if (!defined($mimetype) || $mimetype !~ CVSWEBMARKUP) {
3.120     scop     4085:     my $path = $where;
                   4086:     $path =~ s|[^/]+$||;
3.261     scop     4087:     $url = "$scriptname/$CheckoutMagic/$path$url";
3.120     scop     4088:   }
3.219     scop     4089:   $url .= '?rev=' . uri_escape($revision);
                   4090:   $url .= ';content-type=' . uri_escape($mimetype) if $mimetype;
3.67      knu      4091:
3.175     scop     4092:   return $url;
3.1       knu      4093: }
                   4094:
3.175     scop     4095: #
3.220     scop     4096: # Returns a link to download the selected revision.
3.263     scop     4097: # Expects the passed in URL to be URI escaped, and without a query string.
3.175     scop     4098: #
3.120     scop     4099: sub download_link($$$;$)
                   4100: {
                   4101:   my ($url, $revision, $textlink, $mimetype) = @_;
3.175     scop     4102:   my $fullurl = download_url($url, $revision, $mimetype);
3.220     scop     4103:   return sprintf('<a href="%s" class="download-link">%s</a>',
                   4104:                  hrefquote("$fullurl$barequery"), htmlquote($textlink));
3.218     scop     4105: }
3.120     scop     4106:
3.219     scop     4107: #
                   4108: # Returns a URL to display the selected revision.
3.263     scop     4109: # Expects the passed in URL to be URI escaped, and without a query string.
3.219     scop     4110: #
                   4111: sub display_url($$;$)
                   4112: {
                   4113:   my ($url, $revision, $mimetype) = @_;
                   4114:   $url .= '?rev=' . uri_escape($revision);
                   4115:   $url .= ';content-type=' . uri_escape($mimetype) if $mimetype;
                   4116:   return $url;
                   4117: }
                   4118:
                   4119: #
                   4120: # Returns a link to display the selected revision.
3.263     scop     4121: # Expects the passed in URL to be URI escaped, and without a query string.
3.219     scop     4122: #
                   4123: sub display_link($$;$$)
                   4124: {
                   4125:   my ($url, $revision, $textlink, $mtype) = @_;
                   4126:   $textlink = $revision unless defined($textlink);
                   4127:   return sprintf('<a href="%s" class="display-link">%s</a>',
                   4128:                  hrefquote(display_url($url, $revision, $mtype) . $barequery),
                   4129:                  htmlquote($textlink));
                   4130: }
3.132     scop     4131:
3.170     scop     4132: sub graph_link($;$)
3.132     scop     4133: {
3.170     scop     4134:   my ($url, $text) = @_;
3.132     scop     4135:   $text ||= $graphicon;
3.170     scop     4136:   return sprintf('<a href="%s?graph=1%s">%s</a>',
                   4137:                  hrefquote($url), hrefquote($barequery), $text);
3.258     scop     4138: }
                   4139:
                   4140: #
                   4141: # Returns a link to CVSHistory for the given directory and filename.
                   4142: #
                   4143: sub history_link($$;$)
                   4144: {
                   4145:   my ($dir, $file, $text) = @_;
                   4146:   $dir  ||= '';
                   4147:   $file ||= '';
                   4148:   $text ||= 'History';
                   4149:   return &link($text,
                   4150:                sprintf('%s?cvsroot=%s;dsearch=%s;fsearch=%s;limit=1',
                   4151:                        $cvshistory_url, uri_escape($input{cvsroot} || ''),
                   4152:                        uri_escape($dir), uri_escape($file)));
3.1       knu      4153: }
                   4154:
                   4155: # Returns a Query string with the
                   4156: # specified parameter toggled
3.140     scop     4157: sub toggleQuery($;$)
3.120     scop     4158: {
                   4159:   my ($toggle, $value) = @_;
3.133     scop     4160:
                   4161:   my %vars = %input;
3.120     scop     4162:
                   4163:   if (defined($value)) {
                   4164:     $vars{$toggle} = $value;
                   4165:   } else {
                   4166:     $vars{$toggle} = $vars{$toggle} ? 0 : 1;
                   4167:   }
                   4168:
                   4169:   # Build a new query of non-default paramenters
3.133     scop     4170:   my $newquery = "";
                   4171:   foreach my $var (@stickyvars) {
3.120     scop     4172:     my ($value)   = defined($vars{$var})         ? $vars{$var}         : "";
                   4173:     my ($default) = defined($DEFAULTVALUE{$var}) ? $DEFAULTVALUE{$var} : "";
                   4174:
                   4175:     if ($value ne $default) {
3.203     scop     4176:       $newquery .= ';' if ($newquery ne "");
3.206     scop     4177:       $newquery .= uri_escape($var) . '=' . uri_escape($value);
3.120     scop     4178:     }
                   4179:   }
                   4180:
                   4181:   if ($newquery) {
                   4182:     return '?' . $newquery;
                   4183:   }
                   4184:   return "";
                   4185: }
                   4186:
                   4187: sub urlencode($)
                   4188: {
                   4189:   local ($_) = @_;
3.266     scop     4190:   s/([\000-+{-\377])/sprintf("%%%02x", ord($1))/ge;
3.175     scop     4191:   return $_;
3.120     scop     4192: }
                   4193:
                   4194: sub htmlquote($)
                   4195: {
                   4196:   local ($_) = @_;
                   4197:   # Special Characters; RFC 1866
                   4198:   s/&/&amp;/g;
                   4199:   s/\"/&quot;/g;
                   4200:   s/</&lt;/g;
                   4201:   s/>/&gt;/g;
3.175     scop     4202:   return $_;
3.120     scop     4203: }
                   4204:
                   4205: sub htmlunquote($)
                   4206: {
                   4207:   local ($_) = @_;
                   4208:   # Special Characters; RFC 1866
                   4209:   s/&quot;/\"/g;
                   4210:   s/&lt;/</g;
                   4211:   s/&gt;/>/g;
                   4212:   s/&amp;/&/g;
3.175     scop     4213:   return $_;
3.120     scop     4214: }
                   4215:
                   4216: sub hrefquote($)
                   4217: {
                   4218:   local ($_) = @_;
                   4219:
                   4220:   y/ /+/;
                   4221:
                   4222:   htmlquote($_);
                   4223: }
                   4224:
3.163     scop     4225: sub http_header(;$$)
3.120     scop     4226: {
3.163     scop     4227:   my ($content_type, $moddate) = @_;
                   4228:   $content_type ||= 'text/html';
3.120     scop     4229:
                   4230:   $content_type .= "; charset=$charset"
3.163     scop     4231:     if ($charset && $content_type =~ m,^text/,);
3.120     scop     4232:
3.185     scop     4233:   # Note that in the following, we explicitly join() and concatenate the
                   4234:   # headers instead of printing them as an array.  This is because some
                   4235:   # systems, eg. early versions of mod_perl 2 don't quite get it if the
                   4236:   # last \r\n\r\n isn't included in the last "payload" header print().
                   4237:
                   4238:   my @headers = ();
                   4239:   # TODO: ctime(3) from scalar gmtime() isn't HTTP compliant, see HTTP::Date.
                   4240:   push(@headers, 'Last-Modified: ' . scalar gmtime($moddate) . ' GMT')
                   4241:     if $moddate;
                   4242:   push(@headers, 'Content-Type: ' . $content_type);
3.120     scop     4243:
                   4244:   if ($allow_compress && $maycompress) {
3.222     scop     4245:     if (HAS_ZLIB
3.120     scop     4246:         || (defined($CMD{gzip}) && open(GZIP, "| $CMD{gzip} -1 -c")))
                   4247:     {
                   4248:
3.185     scop     4249:       push(@headers, 'Content-Encoding: x-gzip');
                   4250:       push(@headers, 'Vary: Accept-Encoding');     # RFC 2616, 14.44
                   4251:       print join("\r\n", @headers) . "\r\n\r\n";
                   4252:
3.120     scop     4253:       $| = 1;
3.185     scop     4254:       $| = 0;                                      # Flush header output.
3.120     scop     4255:
3.222     scop     4256:       tie(*GZIP, __PACKAGE__, \*STDOUT) if HAS_ZLIB;
3.120     scop     4257:       select(GZIP);
                   4258:       $gzip_open = 1;
                   4259:
                   4260:     } else {
3.185     scop     4261:
                   4262:       print join("\r\n", @headers) . "\r\n\r\n";
3.230     scop     4263:       printf
                   4264:         '<span style="font-size: smaller">Unable to find gzip binary in the <b>$command_path</b> (<code>%s</code>) to compress output</span><br />',
                   4265:           htmlquote(join(':', @command_path));
3.120     scop     4266:     }
3.185     scop     4267:
3.120     scop     4268:   } else {
3.185     scop     4269:     print join("\r\n", @headers) . "\r\n\r\n";
3.120     scop     4270:   }
                   4271: }
                   4272:
3.131     scop     4273:
3.163     scop     4274: sub html_header($;$)
3.120     scop     4275: {
3.163     scop     4276:   my ($title, $moddate) = @_;
                   4277:   $title = htmlquote($title);
3.162     scop     4278:   my $l = $logo || '';
3.163     scop     4279:   http_header('text/html', $moddate);
3.120     scop     4280:   print <<EOH;
3.100     knu      4281: $HTML_DOCTYPE
3.1       knu      4282: <html>
3.40      knu      4283: <head>
3.134     scop     4284: <title>$title</title>
3.144     scop     4285: $HTML_META$CSS</head>
3.129     scop     4286: <body>
3.182     scop     4287: $l <h1>$title</h1>
3.1       knu      4288: EOH
                   4289: }
                   4290:
3.120     scop     4291: sub html_footer()
                   4292: {
3.208     scop     4293:   print "<hr />\n<address>$address</address>\n" if $address;
3.127     scop     4294:   print "</body>\n</html>\n";
3.1       knu      4295: }
                   4296:
3.120     scop     4297: sub link_tags($)
                   4298: {
                   4299:   my ($tags) = @_;
                   4300:
3.261     scop     4301:   (my $filename = $where) =~ s|^.*/||;
                   4302:   my $fileurl = './' . urlencode($filename);
3.120     scop     4303:
3.261     scop     4304:   my $ret = "";
                   4305:   foreach my $sym (split(", ", $tags)) {
3.120     scop     4306:     $ret .= ",\n" if ($ret ne "");
3.136     scop     4307:     $ret .= &link(htmlquote($sym),
                   4308:                   $fileurl . toggleQuery('only_with_tag', $sym));
3.120     scop     4309:   }
3.219     scop     4310:   return $ret;
3.1       knu      4311: }
                   4312:
3.175     scop     4313:
3.1       knu      4314: #
3.233     scop     4315: # See if a file/dir is listed in the config file's @ForbiddenFiles list.
                   4316: # Takes a full file system path or one relative to $cvsroot, and strips the
                   4317: # trailing ",v" if present, then compares.  Returns 1 if forbidden, else 0.
3.221     scop     4318: #
3.233     scop     4319: sub forbidden($)
3.120     scop     4320: {
3.233     scop     4321:   (my $path = canonpath(shift)) =~ s/,v$//;
                   4322:   $path =~ s|^$cvsroot/+||;
3.175     scop     4323:   for my $forbidden_re (@ForbiddenFiles) {
                   4324:     return 1 if ($path =~ $forbidden_re);
3.120     scop     4325:   }
                   4326:   return 0;
3.174     scop     4327: }
                   4328:
                   4329:
                   4330: #
                   4331: # Starts a process using IPC::Run.  All arguments are passed to
                   4332: # IPC::Run::start() as-is.  Returns an array ($harness, $error) where
                   4333: # $harness is from IPC::Run if start() succeeds, undef otherwise.  In case
3.184     scop     4334: # of an error, $error contains the error message.
3.174     scop     4335: #
3.191     scop     4336: sub startproc(@)
3.174     scop     4337: {
3.215     scop     4338:   my $h = my $err = undef;
3.174     scop     4339:   eval {
                   4340:     local $SIG{__DIE__};
3.215     scop     4341:     $h = IPC::Run::start(@_) or die("return code: $?");
3.174     scop     4342:   };
3.215     scop     4343:   if ($@) {
3.229     scop     4344:     $h->finish() if $h;
3.215     scop     4345:     $h = undef;
                   4346:     $err = "'@{$_[0]}' failed: $@";
                   4347:   }
3.174     scop     4348:   return ($h, $err);
3.215     scop     4349: }
                   4350:
                   4351: #
                   4352: # Runs a process using IPC::Run.  All arguments are passed to
                   4353: # IPC::Run::run() as-is.  Returns an array ($exitcode, $errormsg).
                   4354: #
                   4355: sub runproc(@)
                   4356: {
                   4357:   eval {
                   4358:     local $SIG{__DIE__};
                   4359:     IPC::Run::run(@_);
                   4360:   };
                   4361:   my $exitcode = $? >> 8;
                   4362:   my $errormsg  = undef;
                   4363:   if ($@) {
                   4364:     $exitcode ||= -1;
                   4365:     $errormsg = "'@{$_[0]}' failed: $@";
                   4366:   }
                   4367:   return ($exitcode, $errormsg);
3.129     scop     4368: }
                   4369:
3.225     scop     4370: #
                   4371: # Check out a file to a temporary file.
                   4372: #
                   4373: sub checkout_to_temp($$$)
                   4374: {
                   4375:   my ($cvsroot, $cvsname, $rev) = @_;
3.25      knu      4376:
3.225     scop     4377:   # Pipe given cvs file into a temporary place.
                   4378:   my ($temp_fh, $temp_fn) = tempfile('.cvsweb.XXXXXXXX', DIR => tmpdir());
                   4379:
                   4380:   my @cmd = ($CMD{cvs}, @cvs_options, '-Qd', $cvsroot,
                   4381:              'co', '-p', "-r$rev", $cvsname);
                   4382:
                   4383:   local (*DIFF_OUT);
                   4384:   my ($h, $err) = startproc(\@cmd, \"", '>pipe', \*DIFF_OUT);
                   4385:   if ($h) {
                   4386:     local $/ = undef;
                   4387:     print $temp_fh <DIFF_OUT>;
3.229     scop     4388:     $h->finish();
3.225     scop     4389:     close($temp_fh);
                   4390:   } else {
                   4391:     close($temp_fh);
                   4392:     unlink($temp_fn);
                   4393:     fatal('500 Internal Error',
                   4394:           'Checkout failure (exit status %s), output: <pre>%s</pre>',
                   4395:           $? >> 8 || -1, $err);
                   4396:   }
                   4397:
                   4398:   return $temp_fn;
                   4399: }
                   4400:
                   4401: #
3.173     scop     4402: # Close the GZIP handle, and remove the tie.
3.225     scop     4403: #
3.120     scop     4404: sub gzipclose
                   4405: {
                   4406:   if ($gzip_open) {
                   4407:     select(STDOUT);
                   4408:     close(GZIP);
                   4409:     untie *GZIP;
                   4410:     $gzip_open = 0;
                   4411:   }
3.23      knu      4412: }
                   4413:
                   4414: # implement a gzipped file handle via the Compress:Zlib compression
                   4415: # library.
                   4416:
                   4417: sub MAGIC1() { 0x1f }
                   4418: sub MAGIC2() { 0x8b }
3.80      knu      4419: sub OSCODE() { 3 }
3.23      knu      4420:
3.120     scop     4421: sub TIEHANDLE
                   4422: {
                   4423:   my ($class, $out) = @_;
                   4424:   my ($d) = Compress::Zlib::deflateInit(
                   4425:     -Level      => Compress::Zlib::Z_BEST_COMPRESSION(),
                   4426:     -WindowBits => -Compress::Zlib::MAX_WBITS()
                   4427:     )
                   4428:     or return undef;
                   4429:   my ($o) = { handle => $out,
                   4430:               dh     => $d,
                   4431:               crc    => 0,
                   4432:               len    => 0,
                   4433:             };
                   4434:   my ($header) = pack("c10",
                   4435:                       MAGIC1, MAGIC2, Compress::Zlib::Z_DEFLATED(),
                   4436:                       0, 0, 0, 0, 0, 0, OSCODE);
                   4437:   print {$o->{handle}} $header;
                   4438:   return bless($o, $class);
                   4439: }
                   4440:
                   4441: sub PRINT
                   4442: {
                   4443:   my ($o)   = shift;
3.164     scop     4444:   my ($buf) = join (defined($,) ? $, : "", @_);
3.120     scop     4445:   my ($len) = length($buf);
                   4446:   my ($compressed, $status) = $o->{dh}->deflate($buf);
                   4447:   print {$o->{handle}} $compressed if defined($compressed);
                   4448:   $o->{crc} = Compress::Zlib::crc32($buf, $o->{crc});
                   4449:   $o->{len} += $len;
                   4450:   return $len;
                   4451: }
                   4452:
                   4453: sub PRINTF
                   4454: {
                   4455:   my ($o)   = shift;
                   4456:   my ($fmt) = shift;
                   4457:   my ($buf) = sprintf($fmt, @_);
                   4458:   my ($len) = length($buf);
                   4459:   my ($compressed, $status) = $o->{dh}->deflate($buf);
                   4460:   print {$o->{handle}} $compressed if defined($compressed);
                   4461:   $o->{crc} = Compress::Zlib::crc32($buf, $o->{crc});
                   4462:   $o->{len} += $len;
                   4463:   return $len;
                   4464: }
                   4465:
                   4466: sub WRITE
                   4467: {
                   4468:   my ($o, $buf, $len, $off) = @_;
                   4469:   my ($compressed, $status) = $o->{dh}->deflate(substr($buf, 0, $len));
                   4470:   print {$o->{handle}} $compressed if defined($compressed);
                   4471:   $o->{crc} = Compress::Zlib::crc32(substr($buf, 0, $len), $o->{crc});
                   4472:   $o->{len} += $len;
                   4473:   return $len;
                   4474: }
                   4475:
                   4476: sub CLOSE
                   4477: {
                   4478:   my ($o) = @_;
                   4479:   return if !defined($o->{dh});
                   4480:   my ($buf) = $o->{dh}->flush();
                   4481:   $buf .= pack("V V", $o->{crc}, $o->{len});
                   4482:   print {$o->{handle}} $buf;
                   4483:   undef $o->{dh};
                   4484: }
                   4485:
                   4486: sub DESTROY
                   4487: {
                   4488:   my ($o) = @_;
                   4489:   CLOSE($o);
1.1       jfieber  4490: }
3.149     scop     4491:
                   4492: # Local variables:
                   4493: # indent-tabs-mode: nil
                   4494: # cperl-indent-level: 2
                   4495: # End:

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