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Annotation of cvsweb/cvsweb.cgi, Revision 4.6

4.5       schwarze    1: #!/usr/bin/perl
4.6     ! schwarze    2: # $Id: cvsweb.cgi,v 4.5 2019/11/09 09:24:13 schwarze Exp $
4.1       schwarze    3: # $knu: cvsweb.cgi,v 1.299 2010/11/13 16:37:18 simon
1.1       jfieber     4: #
3.1       knu         5: # cvsweb - a CGI interface to CVS trees.
1.1       jfieber     6: #
3.12      knu         7: # Written in their spare time by
3.113     scop        8: #             Bill Fenner          <fenner@FreeBSD.org>   (original work)
                      9: # extended by Henner Zeller        <zeller@think.de>,
                     10: #             Henrik Nordstrom     <hno@hem.passagen.se>
                     11: #             Ken Coar             <coar@Apache.Org>
                     12: #             Dick Balaska         <dick@buckosoft.com>
                     13: #             Akinori MUSHA        <knu@FreeBSD.org>
                     14: #             Jens-Uwe Mager       <jum@helios.de>
                     15: #             Ville Skyttä         <scop@FreeBSD.org>
                     16: #             Vassilii Khachaturov <vassilii@tarunz.org>
3.1       knu        17: #
                     18: # Based on:
                     19: # * Bill Fenners cvsweb.cgi revision 1.28 available from:
3.5       knu        20: #   http://www.FreeBSD.org/cgi/cvsweb.cgi/www/en/cgi/cvsweb.cgi
1.1       jfieber    21: #
1.21      wosch      22: # Copyright (c) 1996-1998 Bill Fenner
3.1       knu        23: #           (c) 1998-1999 Henner Zeller
3.109     scop       24: #           (c) 1999      Henrik Nordstrom
                     25: #           (c) 2000-2002 Akinori MUSHA
3.289     scop       26: #           (c) 2002-2005 Ville Skyttä
1.21      wosch      27: # All rights reserved.
                     28: #
                     29: # Redistribution and use in source and binary forms, with or without
                     30: # modification, are permitted provided that the following conditions
                     31: # are met:
                     32: # 1. Redistributions of source code must retain the above copyright
                     33: #    notice, this list of conditions and the following disclaimer.
                     34: # 2. Redistributions in binary form must reproduce the above copyright
                     35: #    notice, this list of conditions and the following disclaimer in the
                     36: #    documentation and/or other materials provided with the distribution.
                     37: #
                     38: # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
                     39: # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     40: # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     41: # ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
                     42: # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     43: # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     44: # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     45: # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     46: # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     47: # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     48: # SUCH DAMAGE.
3.1       knu        49:
3.204     scop       50: require 5.006;
3.55      knu        51:
3.1       knu        52: use strict;
3.204     scop       53: use warnings;
                     54: use filetest qw(access);
                     55:
3.1       knu        56: use vars qw (
3.273     scop       57:   $VERSION $CheckoutMagic $MimeTypes $DEBUG
3.144     scop       58:   $config $allow_version_select
3.120     scop       59:   @CVSrepositories @CVSROOT %CVSROOT %CVSROOTdescr
                     60:   %MIRRORS %DEFAULTVALUE %ICONS %MTYPES
3.225     scop       61:   %DIFF_COMMANDS @DIFFTYPES %DIFFTYPES @LOGSORTKEYS %LOGSORTKEYS
3.129     scop       62:   %alltags %fileinfo %tags @branchnames %nameprinted
3.120     scop       63:   %symrev %revsym @allrevisions %date %author @revdisplayorder
3.152     scop       64:   @revisions %state %difflines %log %branchpoint @revorder $keywordsubstitution
3.120     scop       65:   $prcgi @prcategories $re_prcategories $prkeyword $re_prkeyword $mancgi
3.222     scop       66:   $doCheckout $scriptname $scriptwhere
4.2       schwarze   67:   $where $Browser $nofilelinks $maycompress @stickyvars
3.120     scop       68:   $is_links $is_lynx $is_w3m $is_msie $is_mozilla3 $is_textbased
                     69:   %input $query $barequery $sortby $bydate $byrev $byauthor
                     70:   $bylog $byfile $defaultDiffType $logsort $cvstree $cvsroot
3.230     scop       71:   $charset $output_filter
                     72:   @command_path %CMD $allow_compress $backicon $diricon $fileicon $graphicon
3.264     scop       73:   $fullname $cvstreedefault $logo $defaulttitle $address $binfileicon
3.131     scop       74:   $long_intro $short_instruction $shortLogLen $show_author
3.129     scop       75:   $tablepadding $hr_breakable $showfunc $hr_ignwhite $hr_ignkeysubst
3.290     scop       76:   $inputTextSize $mime_types $allow_annotate $allow_markup $allow_mailtos
3.120     scop       77:   $allow_log_extra $allow_dir_extra $allow_source_extra
3.218     scop       78:   $allow_cvsgraph $cvsgraph_config $use_java_script $edit_option_form
3.144     scop       79:   $show_subdir_lastmod $show_log_in_markup $preformat_in_markup
3.233     scop       80:   $tabstop $state $annTable $sel @ForbiddenFiles
                     81:   $use_descriptions %descriptions @mytz $dwhere
3.222     scop       82:   $use_moddate $gzip_open $file_list_len
3.120     scop       83:   $allow_tar @tar_options @gzip_options @zip_options @cvs_options
3.222     scop       84:   @annotate_options @rcsdiff_options
3.257     scop       85:   $HTML_DOCTYPE $HTML_META $cssurl $CSS $cvshistory_url
3.222     scop       86:   $allow_enscript @enscript_options %enscript_types
3.1       knu        87: );
                     88:
3.285     scop       89: use Cwd                   qw(abs_path);
3.171     scop       90: use File::Path            qw(rmtree);
3.232     scop       91: use File::Spec::Functions qw(canonpath catdir catfile curdir devnull rootdir
                     92:                              tmpdir updir);
3.225     scop       93: use File::Temp            qw(tempdir tempfile);
3.229     scop       94: use IPC::Run              qw();
3.172     scop       95: use Time::Local           qw(timegm);
3.206     scop       96: use URI::Escape           qw(uri_escape uri_unescape);
3.122     scop       97:
3.222     scop       98: use constant VALID_PATH   => qr/^([[:^cntrl:]]+)$/o;
                     99: use constant VALID_TAG1   => qr/^([a-zA-Z][[:graph:]]*)$/o;
                    100: use constant VALID_TAG2   => qr/^([^\$,.:;@]+)$/o;
3.261     scop      101: use constant CVSWEBMARKUP => qr{^text/(x-cvsweb|vnd\.viewcvs)-markup$}io;
3.222     scop      102: use constant LOG_FILESEPR => qr/^={77}$/o;
                    103: use constant LOG_REVSEPR  => qr/^-{28}$/o;
                    104:
                    105: use constant HAS_ZLIB     => eval { require Compress::Zlib; };
                    106: use constant HAS_EDIFF    => eval { require String::Ediff;  };
3.194     scop      107:
3.122     scop      108: # -----------------------------------------------------------------------------
                    109:
                    110: # All global initialization that can be done in compile time should go to
                    111: # the BEGIN block.  Persistent environments, such as mod_perl, will benefit
                    112: # from this.
                    113:
                    114: BEGIN
                    115: {
3.295     scop      116:   $VERSION = '3.0.6';
3.122     scop      117:
                    118:   $HTML_DOCTYPE =
3.208     scop      119:     '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" ' .
                    120:     '"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">';
3.122     scop      121:
                    122:   $HTML_META = <<EOM;
3.208     scop      123: <meta name="robots" content="nofollow" />
                    124: <meta name="generator" content="FreeBSD-CVSweb $VERSION" />
                    125: <meta http-equiv="Content-Script-Type" content="text/javascript" />
                    126: <meta http-equiv="Content-Style-Type" content="text/css" />
3.122     scop      127: EOM
                    128:
3.156     scop      129:   # Use MIME::Types for MIME type lookups if it's available.
                    130:   eval {
                    131:     require MIME::Types;
3.223     scop      132:     $MimeTypes = MIME::Types->new(only_complete => 1);
3.156     scop      133:   };
                    134:   $MimeTypes = undef if $@;
                    135:
3.222     scop      136:   $CheckoutMagic = '~checkout~';
3.122     scop      137: }
                    138:
                    139: # -----------------------------------------------------------------------------
                    140:
3.12      knu       141: sub printDiffSelect($);
3.168     scop      142: sub printDiffSelectStickyVars();
3.225     scop      143: sub getDiffLinks($$$);
3.37      knu       144: sub printLogSortSelect($);
3.12      knu       145: sub findLastModifiedSubdirs(@);
3.36      knu       146: sub htmlify_sub(&$);
3.12      knu       147: sub htmlify($;$);
3.20      knu       148: sub spacedHtmlText($;$);
3.12      knu       149: sub link($$);
                    150: sub revcmp($$);
3.103     knu       151: sub fatal($$@);
3.287     scop      152: sub config_error($$);
3.269     scop      153: sub redirect($;$);
3.12      knu       154: sub safeglob($);
3.58      knu       155: sub search_path($);
3.219     scop      156: sub getEnscriptHL($);
3.156     scop      157: sub getMimeType($;$);
3.24      knu       158: sub head($;$);
                    159: sub scan_directives(@);
3.86      knu       160: sub openOutputFilter();
3.275     scop      161: sub doAnnotate($$);
                    162: sub doCheckout($$$);
3.240     scop      163: sub doEnscript($$$;$);
3.170     scop      164: sub doGraph();
                    165: sub doGraphView();
3.219     scop      166: sub cvswebMarkup($$$$$$;$);
3.12      knu       167: sub viewable($);
                    168: sub doDiff($$$$$$);
                    169: sub getDirLogs($$@);
                    170: sub readLog($;$);
3.219     scop      171: sub printLog($$$;$$);
3.12      knu       172: sub doLog($);
                    173: sub flush_diff_rows($$$$);
3.144     scop      174: sub human_readable_diff($$);
3.163     scop      175: sub navigateHeader($$$$$;$);
3.12      knu       176: sub plural_write($$);
                    177: sub readableTime($$);
                    178: sub clickablePath($$);
                    179: sub chooseCVSRoot();
                    180: sub chooseMirror();
                    181: sub fileSortCmp();
                    182: sub download_url($$;$);
                    183: sub download_link($$$;$);
3.219     scop      184: sub display_url($$;$);
                    185: sub display_link($$;$$);
3.170     scop      186: sub graph_link($;$);
3.258     scop      187: sub history_link($$;$);
3.140     scop      188: sub toggleQuery($;$);
3.35      knu       189: sub htmlquote($);
3.36      knu       190: sub htmlunquote($);
3.271     scop      191: sub uri_escape_path($);
3.163     scop      192: sub http_header(;$$);
                    193: sub html_header($;$);
3.12      knu       194: sub html_footer();
                    195: sub link_tags($);
3.233     scop      196: sub forbidden($);
3.191     scop      197: sub startproc(@);
3.215     scop      198: sub runproc(@);
3.225     scop      199: sub checkout_to_temp($$$);
3.12      knu       200:
3.284     scop      201: # Get rid of unsafe environment vars.  Don't do this in the BEGIN block
                    202: # (think mod_perl)...
3.142     scop      203: delete(@ENV{qw(PATH IFS CDPATH ENV BASH_ENV)});
3.59      knu       204:
4.4       schwarze  205: # Location of the configuration file inside the web server chroot:
                    206: $config = '/conf/cvsweb/cvsweb.conf';
3.1       knu       207:
3.284     scop      208: ######## Configuration parameters #########
3.120     scop      209:
3.80      knu       210: @CVSrepositories = @CVSROOT = %CVSROOT = %MIRRORS = %DEFAULTVALUE = %ICONS =
3.225     scop      211:   %MTYPES = %tags = %alltags = %fileinfo = %DIFF_COMMANDS = ();
3.120     scop      212:
3.129     scop      213: $cvstreedefault = $logo = $defaulttitle =
3.120     scop      214:   $address = $long_intro = $short_instruction = $shortLogLen = $show_author =
3.131     scop      215:   $tablepadding = $hr_breakable = $showfunc = $hr_ignwhite =
3.129     scop      216:   $hr_ignkeysubst = $inputTextSize = $mime_types = $allow_annotate =
3.284     scop      217:   $allow_markup = $allow_compress = $use_java_script = $edit_option_form =
                    218:   $show_subdir_lastmod = $show_log_in_markup = $preformat_in_markup =
                    219:   $tabstop = $use_moddate = $gzip_open = $DEBUG = $allow_cvsgraph =
                    220:   $cvsgraph_config = $cvshistory_url = $allow_tar = undef;
                    221:
3.290     scop      222: $allow_version_select = $allow_mailtos = $allow_log_extra = 1;
3.32      knu       223:
4.2       schwarze  224: @DIFFTYPES = qw(h H u c);
3.37      knu       225: @DIFFTYPES{@DIFFTYPES} = (
3.120     scop      226:   {
                    227:     'descr'   => 'colored',
                    228:     'opts'    => ['-u'],
                    229:     'colored' => 1,
                    230:   },
                    231:   {
                    232:     'descr'   => 'long colored',
                    233:     'opts'    => ['--unified=15'],
                    234:     'colored' => 1,
                    235:   },
                    236:   {
                    237:     'descr'   => 'unified',
                    238:     'opts'    => ['-u'],
                    239:     'colored' => 0,
                    240:   },
                    241:   {
                    242:     'descr'   => 'context',
                    243:     'opts'    => ['-c'],
                    244:     'colored' => 0,
                    245:   },
3.80      knu       246: );
3.37      knu       247:
                    248: @LOGSORTKEYS = qw(cvs date rev);
                    249: @LOGSORTKEYS{@LOGSORTKEYS} = (
3.254     scop      250:   { descr => 'Not sorted',  },
                    251:   { descr => 'Commit date', },
                    252:   { descr => 'Revision',    },
3.80      knu       253: );
3.37      knu       254:
3.284     scop      255: ##### End of configuration parameters #####
3.1       knu       256:
3.264     scop      257: my $pathinfo = '';
                    258: if (defined($ENV{PATH_INFO}) && $ENV{PATH_INFO} ne '') {
3.194     scop      259:   ($pathinfo) = ($ENV{PATH_INFO} =~ VALID_PATH)
                    260:     or fatal('500 Internal Error',
                    261:              'Illegal PATH_INFO in environment: <code>%s</code>',
                    262:              $ENV{PATH_INFO});
                    263: }
                    264: if ($ENV{SCRIPT_NAME}) {
                    265:   ($scriptname) = ($ENV{SCRIPT_NAME} =~ VALID_PATH)
                    266:     or fatal('500 Internal Error',
                    267:              'Illegal SCRIPT_NAME in environment: <code>%s</code>',
                    268:              $ENV{SCRIPT_NAME});
                    269: }
                    270:
                    271: $scriptname    = '' unless defined($scriptname);
                    272:
3.120     scop      273: $where         =  $pathinfo;
3.268     scop      274: $doCheckout    =  $where =~ s|^/$CheckoutMagic/|/|o;
3.120     scop      275: $where         =~ s|^/||;
                    276: $scriptname    =~ s|^/*|/|;
3.63      knu       277:
3.64      knu       278: # Let's workaround thttpd's stupidity..
3.63      knu       279: if ($scriptname =~ m|/$|) {
3.120     scop      280:   $pathinfo .= '/';
                    281:   my $re = quotemeta $pathinfo;
                    282:   $scriptname =~ s/$re$//;
3.63      knu       283: }
                    284:
3.271     scop      285: # $scriptname : the URI escaped path to this script
                    286: # $where      : the path in the CVS repository (without leading /, or only /)
                    287: # $scriptwhere: the URI escaped $scriptname + '/' + $where
                    288: $scriptname   = uri_escape_path($scriptname);
                    289: $scriptwhere  = join('/', $scriptname, uri_escape_path($where));
3.268     scop      290: $where        = '/' if ($where eq '');
3.3       knu       291:
3.188     scop      292: # In text-based browsers, it's very annoying to have two links per file;
                    293: # skip linking the image for them.
                    294:
3.120     scop      295: $Browser     = $ENV{HTTP_USER_AGENT} || '';
3.187     scop      296: $is_links    = ($Browser =~ m`^E?Links `);
3.80      knu       297: $is_lynx     = ($Browser =~ m`^Lynx/`i);
                    298: $is_w3m      = ($Browser =~ m`^w3m/`i);
                    299: $is_msie     = ($Browser =~ m`MSIE`);
3.5       knu       300: $is_mozilla3 = ($Browser =~ m`^Mozilla/[3-9]`);
3.3       knu       301:
3.34      knu       302: $is_textbased = ($is_links || $is_lynx || $is_w3m);
3.5       knu       303:
                    304: $nofilelinks = $is_textbased;
3.1       knu       305:
                    306: # newer browsers accept gzip content encoding
                    307: # and state this in a header
                    308: # (netscape did always but didn't state it)
                    309: # It has been reported that these
                    310: #  braindamaged MS-Internet Exploders claim that they
                    311: # accept gzip .. but don't in fact and
                    312: # display garbage then :-/
3.23      knu       313: # Turn off gzip if running under mod_perl and no zlib is available,
                    314: # piping does not work as expected inside the server.
3.120     scop      315: $maycompress = (
                    316:   ((defined($ENV{HTTP_ACCEPT_ENCODING})
                    317:     && $ENV{HTTP_ACCEPT_ENCODING} =~ /gzip/)
                    318:    || $is_mozilla3)
                    319:   && !$is_msie
3.222     scop      320:   && !(defined($ENV{MOD_PERL}) && !HAS_ZLIB)
3.120     scop      321: );
3.1       knu       322:
3.284     scop      323: # Parameters that will be sticky in all constructed links/query strings.
3.194     scop      324: @stickyvars =
3.282     scop      325:   qw(cvsroot hideattic ignorecase sortby logsort f only_with_tag ln
                    326:      hidecvsroot hidenonreadable);
1.1       jfieber   327:
3.227     scop      328: #
                    329: # Load configuration.
                    330: #
3.1       knu       331: if (-f $config) {
3.287     scop      332:   do "$config" or config_error($config, $@);
3.27      knu       333: } else {
3.120     scop      334:   fatal("500 Internal Error",
3.284     scop      335:         'Configuration not found.  Set the parameter <code>$config</code> in cvsweb.cgi to your <b>cvsweb.conf</b> configuration file first.');
3.1       knu       336: }
                    337:
3.183     scop      338: # Try to find a readable dir where we can cd into.  Some abs_path()
                    339: # implementations as well as various cvs operations require such a dir to
                    340: # work properly.
                    341: {
                    342:   local $^W = 0;
3.285     scop      343:   for my $dir (tmpdir(), rootdir()) {
                    344:     last if (-r $dir && chdir($dir));
3.183     scop      345:   }
                    346: }
                    347:
3.144     scop      348: $CSS = $cssurl ?
3.208     scop      349:   sprintf("<link rel=\"stylesheet\" type=\"text/css\" href=\"%s\" />\n",
3.144     scop      350:           htmlquote($cssurl)) : '';
                    351:
3.194     scop      352: # --- input parameters
                    353:
3.202     scop      354: my %query = ();
                    355: if (defined($ENV{QUERY_STRING})) {
                    356:   for my $p (split(/[;&]+/, $ENV{QUERY_STRING})) {
                    357:     next unless $p;
                    358:     $p =~ y/+/ /;
                    359:     my ($key, $val) = split(/=/, $p, 2);
                    360:     next unless defined($key);
                    361:     $val = 1 unless defined($val);
3.222     scop      362:     ($key = uri_unescape($key)) =~ /[[:graph:]]/ or next;
                    363:     ($val = uri_unescape($val)) =~ /[[:graph:]]/ or next;
3.202     scop      364:     $query{$key} = $val;
                    365:   }
                    366: }
                    367:
3.1       knu       368: undef %input;
1.10      wosch     369:
3.194     scop      370: my $t;
                    371: for my $p (qw(graph hideattic hidecvsroot hidenonreadable ignorecase ln copt
                    372:               makeimage options tarball)) {
3.202     scop      373:   $t = $query{$p};
                    374:   if (defined($t)) {
3.222     scop      375:     ($input{$p}) = ($t =~ /^([01]|on)$/)
3.194     scop      376:       or fatal('500 Internal Error',
                    377:                'Invalid boolean value: <code>%s=%s</code>', $p, $t);
                    378:   }
                    379: }
                    380: for my $p (qw(annotate r1 r2 rev tr1 tr2)) {
3.202     scop      381:   $t = $query{$p};
                    382:   if (defined($t)) {
3.207     scop      383:     if (($p eq 'r1' || $p eq 'r2') && $t eq 'text') {
                    384:       # Special case for the "Use text field" option in the log view diff form.
                    385:       $input{$p} = $t;
                    386:       next;
3.275     scop      387:     } elsif (($p eq 'rev' || $p eq 'annotate') && ($t eq '.' || $t eq 'HEAD')){
3.253     scop      388:       # Another special case, allow linking to latest revision using these.
                    389:       $input{$p} = '.';
                    390:       next;
3.207     scop      391:     }
3.194     scop      392:     my ($rev, $tag) = split(/:/, $t, 2);
3.251     scop      393:     ($input{$p}) = ($rev =~ /^(\d+(?:\.\d+)*)$/)
3.194     scop      394:       or fatal('500 Internal Error',
                    395:                'Invalid revision: <code>%s=%s</code>', $p, $t);
                    396:     if (defined($tag)) {
                    397:       ($tag) = ($tag =~ VALID_TAG1)
                    398:         or fatal('500 Internal Error',
3.254     scop      399:                  'Invalid tag/branch name in revision: <code>%s=%s</code>',
                    400:                  $p, $t);
3.194     scop      401:       ($tag) = ($tag =~ VALID_TAG2)
                    402:         or fatal('500 Internal Error',
3.254     scop      403:                  'Invalid tag/branch name in revision: <code>%s=%s</code>',
                    404:                  $p, $t);
3.207     scop      405:       $input{$p} .= ':' . $tag;
3.194     scop      406:     }
                    407:   }
                    408: }
3.202     scop      409: $t = defined($query{only_with_tag}) ?
                    410:   $query{only_with_tag} : $query{only_on_branch}; # Backwards compatibility.
                    411: if (defined($t)) {
3.211     scop      412:   ($input{only_with_tag}) = ($t =~ VALID_TAG1)
3.194     scop      413:     or fatal('500 Internal Error',
                    414:              'Invalid tag/branch name: <code>%s</code>', $t);
3.211     scop      415:   ($input{only_with_tag}) = ($t =~ VALID_TAG2)
3.194     scop      416:     or fatal('500 Internal Error',
                    417:              'Invalid tag/branch name: <code>%s</code>', $t);
                    418: }
3.202     scop      419: $t = $query{logsort};
                    420: if (defined($t)) {
3.222     scop      421:   ($input{logsort}) = ($t =~ /^(cvs|date|rev)$/)
3.194     scop      422:     or fatal('500 Internal Error',
                    423:              'Unsupported log sort key: <code>%s</code>', $t);
                    424: }
3.202     scop      425: $t = $query{f};
                    426: if (defined($t)) {
3.225     scop      427:   ($input{f}) = ($t =~ /^(([hH]|[ucs]c?)|ext\d*)$/)
3.194     scop      428:     or fatal('500 Internal Error',
                    429:              'Unsupported diff format: <code>%s</code>', $t);
                    430: }
3.202     scop      431: $t = $query{sortby};
                    432: if (defined($t)) {
3.222     scop      433:   ($input{sortby}) = ($t =~ /^(file|date|rev|author|log)$/)
3.194     scop      434:     or fatal('500 Internal Error',
                    435:              'Unsupported dir sort key: <code>%s</code>', $t);
                    436: }
3.202     scop      437: $t = $query{'content-type'};
                    438: if (defined($t)) {
3.294     scop      439:   ($input{'content-type'}) = ($t =~ m|^([-0-9A-Za-z]+/[-0-9A-Za-z\.\+]+)$|)
3.194     scop      440:     or fatal('500 Internal Error',
                    441:              'Unsupported content type: <code>%s</code>', $t);
                    442: }
3.202     scop      443: $t = $query{cvsroot};
                    444: if (defined($t)) {
3.222     scop      445:   ($input{cvsroot}) = ($t =~ /^([[:print:]]+)$/)
3.194     scop      446:     or fatal('500 Internal Error',
                    447:              'Invalid symbolic CVS root name: <code>%s</code>', $t);
                    448: }
3.202     scop      449: $t = $query{path};
                    450: if (defined($t)) {
3.194     scop      451:   ($input{path}) = ($t =~ VALID_PATH)
                    452:     or fatal('500 Internal Error',
                    453:              'Invalid path: <code>%s</code>', $t);
3.97      knu       454: }
3.194     scop      455: undef($t);
3.205     scop      456: undef(%query);
3.97      knu       457:
3.194     scop      458: # --- end input parameters
1.10      wosch     459:
3.158     scop      460: #
                    461: # CVS roots
                    462: #
                    463: my $rootfound = 0;
                    464: for (my $i = 0; $i < scalar(@CVSrepositories); $i += 2) {
                    465:   my $key = $CVSrepositories[$i];
3.232     scop      466:   my ($descr, $root) = @{$CVSrepositories[$i+1]};
                    467:   $root = canonpath($root);
                    468:   unless (-d $root) {
                    469:     warn("Root '$root' defined in \@CVSrepositories is not a directory, " .
3.158     scop      470:          'entry ignored');
                    471:     next;
                    472:   }
                    473:   $rootfound ||= 1;
                    474:   $cvstreedefault = $key unless defined($cvstreedefault);
                    475:   $CVSROOTdescr{$key} = $descr;
3.232     scop      476:   $CVSROOT{$key} = $root;
3.158     scop      477:   push(@CVSROOT, $key);
                    478: }
                    479: unless ($rootfound) {
                    480:   fatal('500 Internal Error',
                    481:         'No valid CVS roots found!  See <code>@CVSrepositories</code> in ' .
3.221     scop      482:         'the configuration file (<code>%s</code>).',
3.158     scop      483:         $config);
                    484: }
                    485: undef $rootfound;
                    486:
                    487: #
                    488: # Default CVS root
                    489: #
                    490: if (!defined($CVSROOT{$cvstreedefault})) {
                    491:   fatal("500 Internal Error",
                    492:         '<code>$cvstreedefault</code> points to a repository (%s) not ' .
                    493:         'defined in <code>@CVSrepositories</code> in your configuration ' .
                    494:         'file (<code>%s</code>).',
                    495:         $cvstreedefault,
                    496:         $config);
                    497: }
                    498:
3.254     scop      499: $DEFAULTVALUE{cvsroot} = $cvstreedefault;
1.10      wosch     500:
3.120     scop      501: while (my ($key, $defval) = each %DEFAULTVALUE) {
3.80      knu       502:
3.120     scop      503:   # Replace not given parameters with defaults.
3.194     scop      504:   next unless (defined($defval) && $defval =~ /\S/ && !defined($input{$key}));
3.120     scop      505:
3.284     scop      506:   # Empty checkboxes in forms return nothing, so we define a helper parameter
3.120     scop      507:   # in these forms (copt) which indicates that we just set parameters with a
                    508:   # checkbox.
3.194     scop      509:   if ($input{copt}) {
3.120     scop      510:
3.194     scop      511:     # 'copt' is set -> the result of empty input checkbox
3.120     scop      512:     # -> set to zero (disable) if default is a boolean (0|1).
                    513:     $input{$key} = 0 if ($defval eq '0' || $defval eq '1');
                    514:
                    515:   } else {
                    516:
3.194     scop      517:     # 'copt' isn't set --> empty input is not the result
3.120     scop      518:     # of empty input checkbox --> set default.
                    519:     $input{$key} = $defval;
                    520:   }
1.10      wosch     521: }
3.12      knu       522:
3.1       knu       523: $barequery = "";
3.31      knu       524: my @barequery;
3.1       knu       525: foreach (@stickyvars) {
3.80      knu       526:
3.120     scop      527:   # construct a query string with the sticky non default parameters set
                    528:   if (defined($input{$_})
                    529:       && !(defined($DEFAULTVALUE{$_}) && $input{$_} eq $DEFAULTVALUE{$_}))
                    530:   {
3.206     scop      531:     push(@barequery, join('=', uri_escape($_), uri_escape($input{$_})));
3.120     scop      532:   }
3.1       knu       533: }
3.80      knu       534:
3.168     scop      535: if ($allow_enscript) {
4.2       schwarze  536:   push(@DIFFTYPES, qw(uc cc));
                    537:   @DIFFTYPES{qw(uc cc)} = (
3.168     scop      538:     {
                    539:      'descr'   => 'unified, colored',
                    540:      'opts'    => ['-u'],
                    541:      'colored' => 0,
                    542:     },
                    543:     {
                    544:      'descr'   => 'context, colored',
                    545:      'opts'    => ['-c'],
                    546:      'colored' => 0,
                    547:     },
                    548:   );
                    549: } else {
                    550:   # No Enscript -> respect difftype, but don't offer colorization.
                    551:   if ($input{f} && $input{f} =~ /^([ucs])c$/) {
                    552:     $input{f} = $1;
                    553:   }
                    554: }
                    555:
3.1       knu       556: # is there any query ?
3.31      knu       557: if (@barequery) {
3.203     scop      558:   $barequery = join (';', @barequery);
3.120     scop      559:   $query     = "?$barequery";
3.203     scop      560:   $barequery = ";$barequery";
3.80      knu       561: } else {
3.120     scop      562:   $query = "";
3.1       knu       563: }
3.31      knu       564: undef @barequery;
3.1       knu       565:
3.254     scop      566: if (defined($input{path})) {
3.120     scop      567:   redirect("$scriptname/$input{path}$query");
3.57      knu       568: }
                    569:
3.1       knu       570: # get actual parameters
3.144     scop      571: {
                    572:   my $sortby = $input{sortby} || 'file';
                    573:   $bydate    = 0;
                    574:   $byrev     = 0;
                    575:   $byauthor  = 0;
                    576:   $bylog     = 0;
                    577:   $byfile    = 0;
                    578:   if ($sortby eq 'date') {
                    579:     $bydate = 1;
                    580:   } elsif ($sortby eq 'rev') {
                    581:     $byrev = 1;
                    582:   } elsif ($sortby eq 'author') {
                    583:     $byauthor = 1;
                    584:   } elsif ($sortby eq 'log') {
                    585:     $bylog = 1;
                    586:   } else {
                    587:     $byfile = 1;
                    588:   }
3.1       knu       589: }
                    590:
3.254     scop      591: $defaultDiffType = $input{f};
3.1       knu       592:
3.254     scop      593: $logsort = $input{logsort};
3.1       knu       594:
                    595: # alternate CVS-Tree, configured in cvsweb.conf
3.254     scop      596: if ($input{cvsroot} && $CVSROOT{$input{cvsroot}}) {
                    597:   $cvstree = $input{cvsroot};
3.1       knu       598: } else {
3.120     scop      599:   $cvstree = $cvstreedefault;
1.10      wosch     600: }
                    601:
3.1       knu       602: $cvsroot = $CVSROOT{$cvstree};
1.10      wosch     603:
3.1       knu       604: # create icons out of description
3.120     scop      605: foreach my $k (keys %ICONS) {
                    606:   my ($itxt, $ipath, $iwidth, $iheight) = @{$ICONS{$k}};
                    607:   no strict 'refs';
                    608:   if ($ipath) {
                    609:     ${"${k}icon"} =
3.208     scop      610:       sprintf('<img src="%s" alt="%s" border="0" width="%d" height="%d" />',
3.271     scop      611:               htmlquote($ipath), htmlquote($itxt), $iwidth, $iheight);
3.120     scop      612:   } else {
                    613:     ${"${k}icon"} = $itxt;
                    614:   }
1.24      wosch     615: }
                    616:
3.27      knu       617: my $config_cvstree = "$config-$cvstree";
                    618:
3.1       knu       619: # Do some special configuration for cvstrees
3.27      knu       620: if (-f $config_cvstree) {
3.120     scop      621:   do "$config_cvstree"
                    622:     or fatal("500 Internal Error",
3.208     scop      623:              'Error in loading configuration file: %s<br /><br />%s<br />',
3.120     scop      624:              $config_cvstree, $@);
3.27      knu       625: }
3.31      knu       626: undef $config_cvstree;
3.1       knu       627:
3.120     scop      628: $re_prcategories  = '(?:' . join ('|', @prcategories) . ')' if @prcategories;
                    629: $re_prkeyword     = quotemeta($prkeyword) if defined($prkeyword);
                    630: $prcgi           .= '%s' if defined($prcgi) && $prcgi !~ /%s/;
1.24      wosch     631:
3.233     scop      632: $fullname         = catfile($cvsroot, $where);
3.1       knu       633:
3.63      knu       634: my $rewrite = 0;
                    635: if ($pathinfo =~ m|//|) {
3.120     scop      636:   $pathinfo =~ y|/|/|s;
                    637:   $rewrite = 1;
3.63      knu       638: }
3.120     scop      639: if (-d $fullname) {
                    640:   if ($pathinfo !~ m|/$|) {
                    641:     $pathinfo .= '/';
                    642:     $rewrite   = 1;
                    643:   }
3.268     scop      644: } elsif ($pathinfo =~ m|/$|) {
                    645:   chop $pathinfo;
                    646:   $rewrite = 1;
3.63      knu       647: }
                    648: if ($rewrite) {
3.271     scop      649:   redirect($scriptname . uri_escape_path($pathinfo) . $query, 1);
3.1       knu       650: }
3.268     scop      651: undef $rewrite;
3.1       knu       652:
3.264     scop      653: undef $pathinfo;
3.63      knu       654:
3.1       knu       655: if (!-d $cvsroot) {
3.120     scop      656:   fatal("500 Internal Error",
                    657:         '$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       658: }
                    659:
                    660: #
3.233     scop      661: # Short-circuit forbidden things.  Note that $fullname should not change
                    662: # after this, because the rest of the code assumes this check has already
                    663: # been done.
3.1       knu       664: #
3.233     scop      665: fatal('403 Forbidden', 'Access to %s forbidden.', $where)
                    666:   if forbidden($fullname);
3.46      knu       667:
                    668: #
                    669: # Handle tarball downloads before any headers are output.
                    670: #
                    671: if ($input{tarball}) {
3.120     scop      672:   fatal('403 Forbidden', 'Downloading tarballs is prohibited.')
                    673:     unless $allow_tar;
3.191     scop      674:
3.120     scop      675:   my ($module)  =  ($where =~ m,^/?(.*),);    # untaint
                    676:   $module       =~ s,/([^/]*)$,,;
3.191     scop      677:   my ($ext)     =  ($1 =~ /(\.t(?:ar\.)?gz|\.zip)$/);
3.120     scop      678:   my ($basedir) =  ($module =~ m,([^/]+)$,);
                    679:
                    680:   if ($basedir eq '' || $module eq '') {
                    681:     fatal('500 Internal Error',
                    682:           'You cannot download the top level directory.');
                    683:   }
                    684:
3.191     scop      685:   my $istar = ($ext eq '.tar.gz' || $ext eq '.tgz');
                    686:   if ($istar) {
                    687:     fatal('500 Internal Error', 'tar command not found.') unless $CMD{tar};
                    688:     fatal('500 Internal Error', 'gzip command not found.') unless $CMD{gzip};
                    689:   }
                    690:   my $iszip = ($ext eq '.zip');
                    691:   if ($iszip && !$CMD{zip}) {
                    692:     fatal('500 Internal Error', 'zip command not found.');
                    693:   }
3.215     scop      694:   if (!$istar && !$iszip) {
                    695:     fatal('500 Internal Error', 'Unsupported archive type.');
                    696:   }
3.191     scop      697:
3.138     scop      698:   my $tmpexportdir;
                    699:   eval {
                    700:     local $SIG{__DIE__};
3.171     scop      701:     # Don't use the CLEANUP argument to tempdir() here, since we might be under
                    702:     # mod_perl (the process runs for a long time), unlink explicitly later.
                    703:     $tmpexportdir = tempdir('.cvsweb.XXXXXXXX', TMPDIR => 1);
3.138     scop      704:   };
                    705:   if ($@) {
                    706:     fatal('500 Internal Error', 'Unable to make temporary directory: %s', $@);
                    707:   }
3.191     scop      708:   if (!chdir($tmpexportdir)) {
                    709:     fatal('500 Internal Error',
                    710:           "Can't cd to temporary directory %s: %s", $tmpexportdir, $!);
                    711:   }
3.120     scop      712:
                    713:   my @fatal;
3.194     scop      714:   my $tag = $input{only_with_tag} || 'HEAD';
                    715:   $tag = 'HEAD' if ($tag eq 'MAIN');
3.120     scop      716:
3.215     scop      717:   my @cmd =
3.241     scop      718:     ($CMD{cvs}, @cvs_options, '-Qd', $cvsroot, 'export', '-r', $tag,
                    719:      '-d', $basedir, $module);
3.215     scop      720:   my $export_err;
                    721:   my ($errcode, $err) = runproc(\@cmd, '2>', \$export_err);
                    722:   if ($errcode) {
                    723:     @fatal =
                    724:       ('500 Internal Error',
                    725:        'Export failure (exit status %s), output: <pre>%s</pre>',
                    726:        $errcode, $err || $export_err);
3.191     scop      727:
3.215     scop      728:   } else {
3.191     scop      729:
3.120     scop      730:     $| = 1;    # Essential to get the buffering right.
3.191     scop      731:     local (*TAR_OUT);
3.120     scop      732:
3.191     scop      733:     my (@cmd, $ctype);
                    734:     if ($istar) {
                    735:       my @tar = ($CMD{tar}, @tar_options, '-cf', '-', $basedir);
                    736:       my @gzip = ($CMD{gzip}, @gzip_options, '-c');
                    737:       push(@cmd, \@tar, '|', \@gzip);
                    738:       $ctype = 'application/x-gzip';
                    739:     } elsif ($iszip) {
                    740:       my @zip = ($CMD{zip}, @zip_options, '-r', '-', $basedir);
                    741:       push(@cmd, \@zip, \'');
                    742:       $ctype = 'application/zip';
                    743:     }
3.229     scop      744:     push(@cmd, '>pipe', \*TAR_OUT);
3.191     scop      745:
                    746:     my ($h, $err) = startproc(@cmd);
                    747:     if ($h) {
                    748:       print "Content-Type: $ctype\r\n\r\n";
                    749:       local $/ = undef;
                    750:       print <TAR_OUT>;
3.229     scop      751:       $h->finish();
3.120     scop      752:     } else {
3.215     scop      753:       @fatal = ('500 Internal Error',
                    754:                 '%s failure (exit status %s), output: <pre>%s</pre>',
                    755:                 $istar ? 'Tar' : 'Zip', $? >> 8 || -1, $err);
3.120     scop      756:     }
                    757:   }
3.46      knu       758:
3.171     scop      759:   # Clean up.
                    760:   rmtree($tmpexportdir);
3.46      knu       761:
3.120     scop      762:   &fatal(@fatal) if @fatal;
3.46      knu       763:
3.120     scop      764:   exit;
3.46      knu       765: }
                    766:
3.1       knu       767: ##############################
                    768: # View a directory
                    769: ###############################
3.46      knu       770: if (-d $fullname) {
3.233     scop      771:
3.120     scop      772:   my $dh = do { local (*DH); };
                    773:   opendir($dh, $fullname) or fatal("404 Not Found", '%s: %s', $where, $!);
3.233     scop      774:   my @dir = grep(!forbidden(catfile($fullname, $_)), readdir($dh));
3.120     scop      775:   closedir($dh);
3.284     scop      776:   my @subLevelFiles = findLastModifiedSubdirs(@dir) if $show_subdir_lastmod;
3.150     scop      777:   my @unreadable = getDirLogs($cvsroot, $where, @subLevelFiles);
3.120     scop      778:
                    779:   if ($where eq '/') {
                    780:     html_header($defaulttitle);
                    781:     $long_intro =~ s/!!CVSROOTdescr!!/$CVSROOTdescr{$cvstree}/g;
                    782:     print $long_intro;
                    783:   } else {
                    784:     html_header($where);
3.212     scop      785:     my $html = (-f catfile($fullname, 'README.cvs.html,v') ||
                    786:                 -f catfile($fullname, 'Attic', 'README.cvs.html,v'));
                    787:     my $text = (!$html &&
                    788:                 (-f catfile($fullname, 'README.cvs,v') ||
                    789:                  -f catfile($fullname, 'Attic', 'README.cvs,v')));
                    790:     if ($html || $text) {
                    791:       my $rev = $input{only_with_tag} || 'HEAD';
                    792:       my $cr = abs_path($cvsroot) || $cvsroot;
                    793:       my $co = "$where/README.cvs.html" if $html;
                    794:       $co ||= "$where/README.cvs" if $text;
                    795:       # abs_path() taints when run as a CGI...
                    796:       if ($cr =~ VALID_PATH) {
                    797:         $cr = $1;
                    798:       } else {
                    799:         fatal('500 Internal Error', 'Illegal CVS root: <code>%s</code>', $cr);
                    800:       }
                    801:       my @cmd = ($CMD{cvs}, @cvs_options, '-d', $cr, 'co', '-p', "-r$rev",$co);
                    802:       local (*CVS_OUT, *CVS_ERR);
                    803:       my ($h, $err) = startproc(\@cmd, \"", '>pipe', \*CVS_OUT,
3.229     scop      804:                                 '2>pipe', \*CVS_ERR);
3.212     scop      805:       fatal('500 Internal Error', $err) unless $h;
                    806:       if ($html) {
                    807:         local $/ = undef;
                    808:         print <CVS_OUT>;
                    809:       } else {
                    810:         print "<p>\n";
                    811:         while (<CVS_OUT>) {
                    812:           chomp;
                    813:           print htmlquote($_), '<br />';
                    814:         }
                    815:         print "</p>";
                    816:       }
3.229     scop      817:       $h->finish();
3.212     scop      818:     }
3.120     scop      819:     print $short_instruction;
                    820:   }
                    821:
3.165     scop      822:   if ($use_descriptions &&
3.268     scop      823:       open(DESC, catfile($cvsroot, 'CVSROOT', 'descriptions'))) {
3.120     scop      824:     while (<DESC>) {
                    825:       chomp;
                    826:       my ($dir, $description) = /(\S+)\s+(.*)/;
                    827:       $descriptions{$dir} = $description;
                    828:     }
                    829:     close(DESC);
                    830:   }
                    831:
                    832:   print "<p><a name=\"dirlist\"></a></p>\n";
                    833:
                    834:   # give direct access to dirs
                    835:   if ($where eq '/') {
                    836:     chooseMirror();
                    837:     chooseCVSRoot();
3.268     scop      838:
3.120     scop      839:   } else {
3.257     scop      840:     print '<p>Current directory: <b>', clickablePath($where, 0), '</b>';
                    841:     if ($cvshistory_url) {
                    842:       (my $d = $where) =~ s|^/*(.*?)/*$|$1|;
3.258     scop      843:       print ' - ', history_link($d, '');
3.257     scop      844:     }
                    845:     print "</p>\n";
3.153     scop      846:     print "<p>Current tag: <b>", htmlquote($input{only_with_tag}), "</b></p>\n"
3.120     scop      847:       if $input{only_with_tag};
                    848:   }
                    849:
3.208     scop      850:   print "<hr />\n";
3.120     scop      851:
3.179     scop      852:   my $infocols = 1;
3.131     scop      853:
3.296     scop      854:   printf(<<EOF, $tablepadding, 'Directory index of ' . htmlquote($where));
                    855: <table class="dir" width="100%%" cellspacing="0" cellpadding="%s" summary="%s">
3.179     scop      856: <tr>
                    857: EOF
3.199     scop      858:   printf('<th colspan="2"%s>', ($byfile ? ' class="sorted"' : ''));
3.131     scop      859:
                    860:   if ($byfile) {
                    861:     print 'File';
                    862:   } else {
                    863:     print &link('File',
                    864:                 sprintf('./%s#dirlist', toggleQuery('sortby', 'file')));
                    865:   }
                    866:   print "</th>\n";
3.120     scop      867:
3.131     scop      868:   # Do not display the other column headers if we do not have any files
                    869:   # with revision information.
                    870:   if (scalar(%fileinfo)) {
3.120     scop      871:     $infocols++;
3.199     scop      872:     printf('<th%s>', ($byrev ? ' class="sorted"' : ''));
3.120     scop      873:
3.131     scop      874:     if ($byrev) {
                    875:       print 'Rev.';
3.120     scop      876:     } else {
3.131     scop      877:       print &link('Rev.',
                    878:                   sprintf('./%s#dirlist', toggleQuery('sortby', 'rev')));
3.120     scop      879:     }
                    880:     print "</th>\n";
3.131     scop      881:     $infocols++;
3.199     scop      882:     printf('<th%s>', ($bydate ? ' class="sorted"' : ''));
3.120     scop      883:
3.131     scop      884:     if ($bydate) {
                    885:       print 'Age';
                    886:     } else {
                    887:       print &link('Age',
                    888:                   sprintf('./%s#dirlist', toggleQuery('sortby', 'date')));
                    889:     }
                    890:     print "</th>\n";
3.120     scop      891:
3.131     scop      892:     if ($show_author) {
3.120     scop      893:       $infocols++;
3.199     scop      894:       printf('<th%s>', ($byauthor ? ' class="sorted"' : ''));
3.120     scop      895:
3.131     scop      896:       if ($byauthor) {
                    897:         print 'Author';
3.120     scop      898:       } else {
3.131     scop      899:         print
                    900:           &link('Author',
                    901:                 sprintf('./%s#dirlist', toggleQuery('sortby', 'author')));
3.120     scop      902:       }
                    903:       print "</th>\n";
3.131     scop      904:     }
                    905:     $infocols++;
3.199     scop      906:     printf('<th%s>', ($bylog ? ' class="sorted"' : ''));
3.120     scop      907:
3.131     scop      908:     if ($bylog) {
                    909:       print 'Last log entry';
                    910:     } else {
                    911:       print &link('Last log entry',
                    912:                   sprintf('./%s#dirlist', toggleQuery('sortby', 'log')));
3.120     scop      913:     }
3.131     scop      914:     print "</th>\n";
                    915:   } elsif ($use_descriptions) {
3.199     scop      916:     print "<th>Description</th>\n";
3.131     scop      917:     $infocols++;
3.120     scop      918:   }
3.131     scop      919:   print "</tr>\n";
                    920:
3.120     scop      921:   my $dirrow = 0;
                    922:
                    923:   my $i;
                    924:   lookingforattic:
                    925:   for ($i = 0; $i <= $#dir; $i++) {
                    926:     if ($dir[$i] eq "Attic") {
                    927:       last lookingforattic;
                    928:     }
                    929:   }
                    930:
3.254     scop      931:   if (!$input{hideattic}
3.120     scop      932:       && ($i <= $#dir)
                    933:       && opendir($dh, $fullname . '/Attic'))
                    934:   {
                    935:     splice(@dir, $i, 1, grep((s|^|Attic/|, !m|/\.|), readdir($dh)));
                    936:     closedir($dh);
                    937:   }
                    938:
                    939:   my $hideAtticToggleLink =
3.254     scop      940:     $input{hideattic}
3.120     scop      941:     ? ''
3.239     scop      942:     : &link('[hide]', sprintf('./%s#dirlist', &toggleQuery('hideattic')));
3.120     scop      943:
                    944:   # Sort without the Attic/ pathname.
                    945:   # place directories first
                    946:
                    947:   my $filesexists;
                    948:   my $filesfound;
                    949:
                    950:   foreach my $file (sort { &fileSortCmp } @dir) {
                    951:
3.196     scop      952:     next if ($file eq curdir());
3.120     scop      953:
                    954:     # ignore CVS lock and stale NFS files
                    955:     next if ($file =~ /^\#cvs\.|^,|^\.nfs/); # \# for XEmacs cperl-mode...
                    956:
                    957:     # Check whether to show the CVSROOT path
3.254     scop      958:     next if ($input{hidecvsroot} && $where eq '/' && $file eq 'CVSROOT');
3.120     scop      959:
3.150     scop      960:     # Is it a directory?
3.232     scop      961:     my $isdir = -d catdir($fullname, $file);
3.150     scop      962:
                    963:     # Ignore non-readable files and directories?
3.254     scop      964:     next if ($input{hidenonreadable} && (! -r _ || ($isdir && ! -x _)));
3.120     scop      965:
3.268     scop      966:     my $attic = '';
3.120     scop      967:     if ($file =~ s|^Attic/||) {
3.239     scop      968:       $attic = ' <span class="attic">(in the Attic) ' .
                    969:         $hideAtticToggleLink . '</span>';
3.120     scop      970:     }
                    971:
3.196     scop      972:     if ($file eq updir() || $isdir) {
                    973:       next if ($file eq updir() && $where eq '/');
3.152     scop      974:       my ($rev, $date, $log, $author, $filename, $keywordsubst) =
                    975:         @{$fileinfo{$file}} if (defined($fileinfo{$file}));
3.239     scop      976:       printf "<tr class=\"%s\">\n<td class=\"dir\" colspan=\"2\">",
3.132     scop      977:         ($dirrow % 2) ? 'even' : 'odd';
3.120     scop      978:
3.196     scop      979:       if ($file eq updir()) {
3.268     scop      980:         my $url = "../$query";
3.261     scop      981:         print $nofilelinks ? $backicon : &link($backicon, $url);
3.120     scop      982:         print '&nbsp;', &link("Parent Directory", $url);
3.261     scop      983:
3.120     scop      984:       } else {
3.271     scop      985:         my $url = './' . uri_escape_path($file) . "/$query";
                    986:         print '<a name="', htmlquote($file), '"></a>';
3.261     scop      987:         print $nofilelinks ? $diricon : &link($diricon, $url);
3.136     scop      988:         print '&nbsp;', &link(htmlquote("$file/"), $url), $attic;
3.120     scop      989:         if ($file eq "Attic") {
3.239     scop      990:           print ' <span class="attic">',
                    991:             &link('[show]',
                    992:                   sprintf('./%s#dirlist', &toggleQuery('hideattic'))),
                    993:                     '</span>';
3.120     scop      994:         }
                    995:       }
                    996:
                    997:       # Show last change in dir
                    998:       if ($filename) {
3.297     scop      999:         my $ageclass = 'age';
                   1000:         my $age      = '';
                   1001:         if ($date) {
                   1002:           $age       = readableTime(time() - $date, 0);
                   1003:           $ageclass .= " $1" if ($age =~ /^\d+ ([a-z]+)/);
                   1004:         }
                   1005:         print "</td>\n<td>&nbsp;</td>\n<td class=\"$ageclass\">$age";
3.199     scop     1006:         print "</td>\n<td class=\"author\">", htmlquote($author)
                   1007:           if $show_author;
                   1008:         print "</td>\n<td class=\"log\">";
3.120     scop     1009:         $filename =~ s%^[^/]+/%%;
3.199     scop     1010:         print &link(htmlquote("$filename/$rev"),
                   1011:                     sprintf('%s/%s%s#rev%s',
3.206     scop     1012:                             uri_escape($file), uri_escape($filename),
3.208     scop     1013:                             $query, $rev)), '<br />';
3.120     scop     1014:         if ($log) {
3.199     scop     1015:           print htmlify(substr($log, 0, $shortLogLen), $allow_dir_extra);
3.120     scop     1016:           print '...' if (length($log) > 80);
                   1017:         }
3.199     scop     1018:
3.120     scop     1019:       } else {
                   1020:         my $dwhere = ($where ne '/' ? $where : '') . $file;
                   1021:
                   1022:         if ($use_descriptions && defined $descriptions{$dwhere}) {
3.199     scop     1023:           print '<td colspan="', ($infocols - 1), '">';
3.120     scop     1024:           print $descriptions{$dwhere};
                   1025:
3.131     scop     1026:         } elsif ($infocols > 1) {
3.120     scop     1027:
                   1028:           # close the row with the appropriate number of
                   1029:           # columns, so that the vertical seperators are visible
                   1030:           my ($cols) = $infocols;
                   1031:           while ($cols > 1) {
                   1032:             print "</td>\n<td>&nbsp;";
                   1033:             $cols--;
                   1034:           }
                   1035:         }
                   1036:       }
                   1037:
3.131     scop     1038:       print "</td>\n</tr>\n";
3.120     scop     1039:       $dirrow++;
3.131     scop     1040:
3.120     scop     1041:     } elsif ($file =~ s/,v$//) {
                   1042:
3.271     scop     1043:       my $fileurl = ($attic ? 'Attic/' : '') . uri_escape_path($file);
3.268     scop     1044:       my $url     = './' . $fileurl . $query;
3.120     scop     1045:       $filesexists++;
                   1046:       next if (!defined($fileinfo{$file}));
3.152     scop     1047:       my ($rev, $date, $log, $author, $filename, $keywordsubst) =
                   1048:         @{$fileinfo{$file}};
3.156     scop     1049:       my $isbinary = $keywordsubst eq 'b' ? 1 : 0;
3.120     scop     1050:       $filesfound++;
3.156     scop     1051:
3.199     scop     1052:       printf "<tr class=\"%s\">\n", ($dirrow % 2) ? 'even' : 'odd';
3.239     scop     1053:       printf '<td class="file"%s>', $allow_cvsgraph ? '' : ' colspan="2"';
3.120     scop     1054:
3.156     scop     1055:       my $icon = $isbinary ? $binfileicon : $fileicon;
3.261     scop     1056:       print $nofilelinks ? $icon : &link($icon, $url);
3.120     scop     1057:       print '&nbsp;', &link(htmlquote($file), $url), $attic;
3.199     scop     1058:       print '</td><td class="graph">', graph_link($fileurl) if $allow_cvsgraph;
3.219     scop     1059:       print "</td>\n<td width=\"30\">", display_link($fileurl, $rev);
3.297     scop     1060:       my $ageclass = 'age';
                   1061:       my $age      = '';
                   1062:       if ($date) {
                   1063:         $age       = readableTime(time() - $date, 0);
                   1064:         $ageclass .= " $1" if ($age =~ /^\d+ ([a-z]+)/);
                   1065:       }
                   1066:       print "</td>\n<td class=\"$ageclass\">$age";
3.199     scop     1067:       print "</td>\n<td class=\"author\">", htmlquote($author) if $show_author;
                   1068:       print "</td>\n<td class=\"log\">";
3.120     scop     1069:
                   1070:       if ($log) {
3.199     scop     1071:         print htmlify(substr($log, 0, $shortLogLen), $allow_dir_extra);
3.120     scop     1072:         print '...' if (length $log > 80);
                   1073:       }
3.131     scop     1074:       print "</td>\n</tr>";
3.120     scop     1075:       $dirrow++;
                   1076:     }
                   1077:     print "\n";
                   1078:   }
                   1079:
3.131     scop     1080:   print "</table>\n";
3.120     scop     1081:
3.150     scop     1082:   if ((my $num = scalar(@unreadable)) && ! $input{hidenonreadable}) {
                   1083:     printf(<<EOF, $num, htmlquote(join(', ', @unreadable)));
                   1084: <p>
3.208     scop     1085:  <b>NOTE:</b> The following %d unreadable files were ignored:<br />
3.150     scop     1086:  <em>%s</em>
                   1087: </p>
                   1088: EOF
                   1089:   }
                   1090:
3.120     scop     1091:   if ($filesexists && !$filesfound) {
3.150     scop     1092:     my $currtag = defined($input{only_with_tag}) ?
                   1093:       sprintf(' (%s)', htmlquote($input{only_with_tag})) : '';
                   1094:     printf(<<EOF, $filesexists, $currtag);
                   1095: <p>
                   1096:  <b>NOTE:</b> There are %d files, but none matches the current tag%s.
                   1097: </p>
                   1098: EOF
3.120     scop     1099:   }
                   1100:
                   1101:   if ($input{only_with_tag} && (!%tags || !$tags{$input{only_with_tag}})) {
                   1102:     %tags = %alltags;
                   1103:   }
                   1104:
                   1105:   if (scalar %tags
                   1106:       || $input{only_with_tag}
                   1107:       || $edit_option_form
3.254     scop     1108:       || defined($input{options}))
3.120     scop     1109:   {
3.208     scop     1110:     print "<hr />\n";
3.120     scop     1111:   }
                   1112:
                   1113:   if (scalar %tags || $input{only_with_tag}) {
3.208     scop     1114:     print "<form method=\"get\" action=\"./\">\n<p>\n";
3.120     scop     1115:     foreach my $var (@stickyvars) {
3.296     scop     1116:       printf("<input type=\"hidden\" name=\"%s\" value=\"%s\" />\n",
                   1117:              $var, htmlquote($input{$var}))
3.120     scop     1118:         if (defined($input{$var})
                   1119:             && (!defined($DEFAULTVALUE{$var})
                   1120:                 || $input{$var} ne $DEFAULTVALUE{$var})
                   1121:             && $var ne 'only_with_tag');
                   1122:     }
3.208     scop     1123:     printf(<<EOF, ($use_java_script ? ' onchange="this.form.submit()"' : ''));
3.239     scop     1124: <span class="nowrap">
3.208     scop     1125: <label for="only_with_tag" accesskey="T">Show only files with tag:
                   1126: <select id="only_with_tag" name="only_with_tag"%s>
                   1127: <option value="">All tags / default branch</option>
                   1128: EOF
3.120     scop     1129:     foreach my $tag (reverse sort { lc $a cmp lc $b } keys %tags) {
3.136     scop     1130:       my $selected =
                   1131:         defined($input{only_with_tag}) && $input{only_with_tag} eq $tag;
                   1132:       printf("<option%s>%s</option>\n",
3.208     scop     1133:              $selected ? ' selected="selected"' : '',
3.136     scop     1134:              htmlquote($tag));
3.120     scop     1135:     }
3.208     scop     1136:     printf(<<EOF, htmlquote($where));
                   1137: </select>
3.239     scop     1138: </label></span> <span class="nowrap">
                   1139: <label for="path" accesskey="P">Module path or alias:
3.208     scop     1140: <input type="text" id="path" name="path" value="%s" size="15" /></label>
3.239     scop     1141: </span>
3.208     scop     1142: <input type="submit" value="Go" accesskey="G" />
                   1143: </p>
                   1144: </form>
                   1145: EOF
3.120     scop     1146:   }
                   1147:
3.188     scop     1148:   if ($allow_tar && $filesfound) {
3.120     scop     1149:     my ($basefile) = ($where =~ m,(?:.*/)?([^/]+),);
3.192     scop     1150:     my $havetar = $CMD{tar} && $CMD{gzip};
                   1151:     my $havezip = $CMD{zip};
                   1152:     if (defined($basefile) && $basefile ne '' && ($havetar || $havezip)) {
3.203     scop     1153:       my $q = ($query ? "$query;" : '?') . 'tarball=1';
3.208     scop     1154:       print "<hr />\n",
3.189     scop     1155:         '<div style="text-align: center">Download this directory in ';
3.192     scop     1156:       # Mangle the filename so browsers show a reasonable filename to download.
                   1157:       my @types = ();
3.271     scop     1158:       $basefile = uri_escape($basefile);
3.192     scop     1159:       push(@types, &link('tarball', "$basefile.tar.gz$q")) if $havetar;
                   1160:       push(@types, &link('zip archive', "$basefile.zip$q")) if $havezip;
                   1161:       print join(' or ', @types), "</div>\n";
3.120     scop     1162:     }
                   1163:   }
                   1164:
3.254     scop     1165:   if ($edit_option_form || defined($input{options})) {
3.120     scop     1166:
3.149     scop     1167:     print <<EOF;
3.270     scop     1168: <form method="get" action="./">
3.189     scop     1169: <fieldset>
                   1170: <legend>General options</legend>
3.208     scop     1171: <input type="hidden" name="copt" value="1" />
3.149     scop     1172: EOF
3.283     scop     1173:     for my $v qw(hidecvsroot hidenonreadable) {
                   1174:       printf(qq{<input type="hidden" name="%s" value="%s" />\n},
                   1175:              $v, $input{$v} || 0);
                   1176:     }
3.120     scop     1177:     if ($cvstree ne $cvstreedefault) {
3.208     scop     1178:       print "<input type=\"hidden\" name=\"cvsroot\" value=\"$cvstree\" />\n";
3.120     scop     1179:     }
3.149     scop     1180:     print <<EOF;
3.265     scop     1181: <table summary="General options">
3.149     scop     1182: <tr>
3.189     scop     1183: <td class="opt-label">
                   1184: <label for="sortby" accesskey="F">Sort files by:</label>
                   1185: </td>
                   1186: <td class="opt-value">
3.149     scop     1187: <select id="sortby" name="sortby">
                   1188: <option value="">File</option>
                   1189: EOF
3.208     scop     1190:     print "<option", $bydate ? ' selected="selected"' : '',
3.120     scop     1191:       " value=\"date\">Age</option>\n";
3.208     scop     1192:     print "<option", $byauthor ? ' selected="selected"' : '',
3.120     scop     1193:       " value=\"author\">Author</option>\n"
3.140     scop     1194:         if $show_author;
3.208     scop     1195:     print "<option", $byrev ? ' selected="selected"' : '',
3.120     scop     1196:       " value=\"rev\">Revision</option>\n";
3.208     scop     1197:     print "<option", $bylog ? ' selected="selected"' : '',
3.120     scop     1198:       " value=\"log\">Log message</option>\n";
3.189     scop     1199:     print <<EOF;
                   1200: </select>,
                   1201: <label for="ignorecase" accesskey="I">case-insensitive:
                   1202: EOF
                   1203:     print '<input id="ignorecase" name="ignorecase" type="checkbox"',
3.208     scop     1204:       $input{ignorecase} ? ' checked="checked"' : '',
                   1205:         " value=\"1\" /></label>\n";
3.189     scop     1206:     print <<EOF;
                   1207: </td>
                   1208: <td class="opt-label">
                   1209: <label for="hideattic" accesskey="A">Hide files in Attic:</label>
                   1210: </td>
                   1211: <td class="opt-value">
                   1212: EOF
                   1213:     print '<input id="hideattic" name="hideattic" type="checkbox"',
3.208     scop     1214:       $input{hideattic} ? ' checked="checked"' : '', ' value="1" />';
3.189     scop     1215:     print <<EOF;
                   1216: </td>
                   1217: </tr>
                   1218: <tr>
                   1219: <td class="opt-label">
                   1220: <label for="logsort" accesskey="L">Sort log by:</label>
                   1221: </td>
                   1222: <td class="opt-value">
                   1223: EOF
3.120     scop     1224:     printLogSortSelect(0);
3.189     scop     1225:     print <<EOF;
                   1226: </td>
                   1227: <td class="opt-label">
                   1228: <label for="ln" accesskey="N">Show line numbers:</label>
                   1229: </td>
                   1230: <td class="opt-value">
                   1231: EOF
                   1232:     print '<input id="ln" name="ln" type="checkbox"',
3.208     scop     1233:       $input{ln} ? ' checked="checked"' : '', " value=\"1\" />\n";
3.189     scop     1234:     print <<EOF;
                   1235: </td>
                   1236: </tr>
                   1237: <tr>
                   1238: <td class="opt-label">
                   1239: <label for="f" accesskey="D">Diff format:</label>
                   1240: </td>
                   1241: <td>
                   1242: EOF
3.120     scop     1243:     printDiffSelect(0);
3.149     scop     1244:     print <<EOF;
3.189     scop     1245: </td>
                   1246: <td colspan="2" class="opt-label">
3.208     scop     1247: <input type="submit" value="Change Options" accesskey="C" />
3.189     scop     1248: </td>
3.149     scop     1249: </tr>
                   1250: </table>
3.189     scop     1251: </fieldset>
3.149     scop     1252: </form>
                   1253: EOF
3.120     scop     1254:   }
                   1255:   html_footer();
3.80      knu      1256: }
3.1       knu      1257:
                   1258: ###############################
                   1259: # View Files
                   1260: ###############################
3.80      knu      1261: elsif (-f $fullname . ',v') {
3.114     scop     1262:
3.254     scop     1263:   if (defined($input{rev}) || $doCheckout) {
3.275     scop     1264:     &doCheckout($fullname, $input{rev}, $input{only_with_tag});
3.120     scop     1265:     gzipclose();
                   1266:     exit;
                   1267:   }
                   1268:
3.254     scop     1269:   if (defined($input{annotate}) && $allow_annotate) {
3.275     scop     1270:     &doAnnotate($input{annotate}, $input{only_with_tag});
3.120     scop     1271:     gzipclose();
                   1272:     exit;
                   1273:   }
                   1274:
3.254     scop     1275:   if (defined($input{r1}) && defined($input{r2})) {
                   1276:     &doDiff($fullname,  $input{r1},  $input{tr1},
                   1277:             $input{r2}, $input{tr2}, $input{f});
3.120     scop     1278:     gzipclose();
                   1279:     exit;
                   1280:   }
3.132     scop     1281:
3.170     scop     1282:   if ($allow_cvsgraph && $input{graph}) {
                   1283:     if ($input{makeimage}) {
                   1284:       doGraph();
3.132     scop     1285:     } else {
3.170     scop     1286:       doGraphView();
3.132     scop     1287:     }
                   1288:     gzipclose();
                   1289:     exit;
                   1290:   }
                   1291:
3.120     scop     1292:   &doLog($fullname);
3.276     scop     1293: }
3.120     scop     1294:
3.276     scop     1295: ##############################
                   1296: # View Diff
                   1297: ##############################
                   1298: elsif ($fullname =~ s/\.diff$//
                   1299:        && -f $fullname . ',v' && $input{r1} && $input{r2})
3.120     scop     1300: {
                   1301:
                   1302:   # $where-diff-removal if 'cvs rdiff' is used
                   1303:   # .. but 'cvs rdiff'doesn't support some options
                   1304:   # rcsdiff does (-w and -p), so it is disabled
                   1305:   # $where =~ s/\.diff$//;
                   1306:
3.189     scop     1307:   # Allow diffs using the ".diff" extension so that browsers that default
                   1308:   # to the filename in the URL when saving don't save diffs as eg. foo.c.
3.254     scop     1309:   &doDiff($fullname,  $input{r1},  $input{tr1},
                   1310:           $input{r2}, $input{tr2}, $input{f});
3.120     scop     1311:   gzipclose();
                   1312:   exit;
                   1313:
3.276     scop     1314: }
                   1315:
                   1316: elsif (do { (my $tmp = $fullname) =~ s|/([^/]+)$|/Attic/$1|; -f "$tmp,v" }) {
3.120     scop     1317:   # The file has been removed and is in the Attic.
                   1318:   # Send a redirect pointing to the file in the Attic.
                   1319:   (my $newplace = $scriptwhere) =~ s|/([^/]+)$|/Attic/$1|;
                   1320:   if ($ENV{QUERY_STRING} ne "") {
3.268     scop     1321:     redirect("$newplace?$ENV{QUERY_STRING}");
3.120     scop     1322:   } else {
                   1323:     redirect($newplace);
                   1324:   }
                   1325:   exit;
3.268     scop     1326:
3.276     scop     1327: }
                   1328:
                   1329: elsif (0 && (my @files = &safeglob($fullname . ",v"))) {
3.120     scop     1330:   http_header("text/plain");
                   1331:   print "You matched the following files:\n";
                   1332:   print join ("\n", @files);
3.80      knu      1333:
3.276     scop     1334:   # TODO:
3.120     scop     1335:   # Find the tags from each file
                   1336:   # Display a form offering diffs between said tags
3.276     scop     1337: }
3.80      knu      1338:
3.276     scop     1339: else {
3.120     scop     1340:   # Assume it's a module name with a potential path following it.
3.268     scop     1341:   my $module;
3.266     scop     1342:   my $xtra = (($module = $where) =~ s|(/.*)||) ? $1 : '';
3.80      knu      1343:
3.120     scop     1344:   # Is there an indexed version of modules?
3.268     scop     1345:   my $fh = do { local (*FH); };
                   1346:   if (open($fh, catfile($cvsroot, 'CVSROOT', 'modules'))) {
3.120     scop     1347:     while (<$fh>) {
                   1348:       if (/^(\S+)\s+(\S+)/o
                   1349:           && $module eq $1
3.268     scop     1350:           && $module ne $2
                   1351:           && -d "$cvsroot/$2")
3.120     scop     1352:       {
3.267     scop     1353:         close($fh);
3.120     scop     1354:         redirect("$scriptname/$2$xtra$query");
                   1355:       }
                   1356:     }
3.267     scop     1357:     close($fh);
3.120     scop     1358:   }
                   1359:   fatal("404 Not Found", '%s: no such file or directory', $where);
3.80      knu      1360: }
3.23      knu      1361:
3.25      knu      1362: gzipclose();
3.80      knu      1363:
3.1       knu      1364: ## End MAIN
                   1365:
3.175     scop     1366:
3.120     scop     1367: sub printDiffSelect($)
                   1368: {
                   1369:   my ($use_java_script) = @_;
                   1370:
                   1371:   print '<select id="f" name="f"';
                   1372:   print ' onchange="this.form.submit()"' if $use_java_script;
                   1373:   print ">\n";
                   1374:
3.175     scop     1375:   for my $difftype (@DIFFTYPES) {
3.120     scop     1376:     printf("<option value=\"%s\"%s>%s</option>\n",
3.208     scop     1377:            $difftype, $input{f} eq $difftype ? ' selected="selected"' : '',
3.175     scop     1378:            "\u$DIFFTYPES{$difftype}{descr}");
3.120     scop     1379:   }
                   1380:
                   1381:   print "</select>";
                   1382: }
                   1383:
3.175     scop     1384:
3.168     scop     1385: sub printDiffSelectStickyVars()
                   1386: {
                   1387:   while (my ($key, $val) = each %input) {
                   1388:     next if ($key eq 'f');
                   1389:     next if (defined($DEFAULTVALUE{$key}) && $DEFAULTVALUE{$key} eq $val);
3.206     scop     1390:     print "<input type=\"hidden\" name=\"", htmlquote($key), "\" value=\"",
3.208     scop     1391:       htmlquote($val), "\" />\n";
3.168     scop     1392:   }
                   1393: }
                   1394:
3.175     scop     1395:
3.120     scop     1396: sub printLogSortSelect($)
                   1397: {
                   1398:   my ($use_java_script) = @_;
                   1399:
                   1400:   print '<select id="logsort" name="logsort"';
                   1401:   print ' onchange="this.form.submit()"' if $use_java_script;
                   1402:   print ">\n";
                   1403:
3.175     scop     1404:   for my $sortkey (@LOGSORTKEYS) {
3.120     scop     1405:     printf("<option value=\"%s\"%s>%s</option>\n",
3.208     scop     1406:            $sortkey, $logsort eq $sortkey ? ' selected="selected"' : '',
3.175     scop     1407:            "\u$LOGSORTKEYS{$sortkey}{descr}");
3.120     scop     1408:   }
                   1409:
                   1410:   print "</select>";
                   1411: }
                   1412:
3.175     scop     1413:
3.197     scop     1414: #
                   1415: # Find the last modified, version controlled files in the given directories.
                   1416: # Compares solely based on modification timestamps.  Files in the returned list
                   1417: # are without the ,v suffix, and unreadable files have been filtered out.
                   1418: #
3.120     scop     1419: sub findLastModifiedSubdirs(@)
                   1420: {
                   1421:   my (@dirs) = @_;
                   1422:
3.175     scop     1423:   my @files;
                   1424:   foreach my $dirname (@dirs) {
3.196     scop     1425:     next if ($dirname eq curdir() || $dirname eq updir());
                   1426:     my $dir = catdir($fullname, $dirname);
3.120     scop     1427:     next if (!-d $dir);
                   1428:
                   1429:     my $dh = do { local (*DH); };
                   1430:     opendir($dh, $dir) or next;
3.233     scop     1431:     my (@filenames) = grep(!forbidden(catfile($dir, $_)), readdir($dh));
3.120     scop     1432:     closedir($dh);
                   1433:
3.175     scop     1434:     my $lastmod     = undef;
                   1435:     my $lastmodtime = undef;
3.120     scop     1436:     foreach my $filename (@filenames) {
3.197     scop     1437:       ($filename) =
                   1438:         (catfile($dirname, $filename) =~ VALID_PATH) or next; # untaint
3.196     scop     1439:       my ($file) = catfile($fullname, $filename);
3.197     scop     1440:       next if ($filename !~ /,v$/o || !-f $file || !-r _);
                   1441:       my $modtime = -M _;
3.120     scop     1442:       if (!defined($lastmod) || $modtime < $lastmodtime) {
3.233     scop     1443:         ($lastmod    = $filename) =~ s/,v$//;
3.120     scop     1444:         $lastmodtime = $modtime;
                   1445:       }
                   1446:     }
3.175     scop     1447:     push(@files, $lastmod) if (defined($lastmod));
3.120     scop     1448:   }
                   1449:   return @files;
                   1450: }
                   1451:
3.175     scop     1452:
3.120     scop     1453: sub htmlify_sub(&$)
                   1454: {
                   1455:   (my $proc, local $_) = @_;
3.261     scop     1456:   my @a = split(m|(<a [^>]+>[^<]*</a>)|i);
3.120     scop     1457:   my $linked;
                   1458:   my $result = '';
                   1459:
                   1460:   while (($_, $linked) = splice(@a, 0, 2)) {
                   1461:     &$proc();
                   1462:     $result .= $_      if defined($_);
                   1463:     $result .= $linked if defined($linked);
                   1464:   }
                   1465:
3.175     scop     1466:   return $result;
3.120     scop     1467: }
                   1468:
3.175     scop     1469:
3.120     scop     1470: sub htmlify($;$)
                   1471: {
                   1472:   (local $_, my $extra) = @_;
                   1473:
                   1474:   $_ = htmlquote($_);
                   1475:
                   1476:   # get URL's as link
                   1477:   s{
3.130     scop     1478:     ((https?|ftp)://.+?)([\s\']|&(quot|[lg]t);)
3.120     scop     1479:    }{
3.130     scop     1480:      &link($1, htmlunquote($1)) . $3
3.120     scop     1481:    }egx;
                   1482:
3.290     scop     1483:   if ($allow_mailtos) {
                   1484:     # Make mailto: links from email addresses.
                   1485:     $_ = htmlify_sub {
                   1486:       s<
                   1487:         ([\w+=\-.!]+@[\w\-]+(?:\.[\w\-]+)+)
                   1488:        ><
                   1489:          &link($1, "mailto:$1")
                   1490:        >egix;
                   1491:     } $_;
                   1492:   }
3.120     scop     1493:
                   1494:   if ($extra) {
                   1495:
                   1496:     # get PR #'s as link: "PR#nnnn" "PR: nnnn, ..." "PR nnnn, ..." "bin/nnnn"
                   1497:     if (defined($prcgi) && defined($re_prkeyword)) {
                   1498:       my $prev;
                   1499:
                   1500:       do {
                   1501:         $prev = $_;
                   1502:         $_ = htmlify_sub {
                   1503:           s{
                   1504:             (\b$re_prkeyword[:\#]?\s*
                   1505:              (?:
                   1506:               \#?
                   1507:               \d+[,\s]\s*
                   1508:              )*
                   1509:              \#?)
                   1510:             (\d+)\b
                   1511:            }{
                   1512:              $1 . &link($2, sprintf($prcgi, $2))
                   1513:            }egix;
                   1514:         } $_;
                   1515:       } while ($_ ne $prev);
                   1516:
                   1517:       if (defined($re_prcategories)) {
                   1518:         $_ = htmlify_sub {
                   1519:           s{
                   1520:             (\b$re_prcategories/(\d+)\b)
                   1521:            }{
                   1522:              &link($1, sprintf($prcgi, $2))
                   1523:            }egox;
                   1524:         } $_;
                   1525:       }
                   1526:     }
                   1527:
                   1528:     # get manpage specs as link: "foo.1" "foo(1)"
                   1529:     if (defined($mancgi)) {
                   1530:       $_ = htmlify_sub {
                   1531:         s{
3.143     knu      1532:           (
                   1533:            \b ( \w[\w+\-.]* (?: ::\w[\w+\-.]*)* )
3.120     scop     1534:            (?:
3.143     knu      1535:             \( ([0-9n]) \) \B
3.120     scop     1536:             |
3.143     knu      1537:             \. ([0-9n]) \b
3.120     scop     1538:            )
                   1539:           )
                   1540:          }{
3.149     scop     1541:             my($text, $name, $section) = ($1, $2, defined($3) ? $3 : $4);
                   1542:             ($name =~ /[A-Za-z]/ && $name !~ /\.(:|$)/)
4.6     ! schwarze 1543:              ? &link($text, sprintf($mancgi, uri_escape($name), $section))
3.149     scop     1544:               : $text;
3.120     scop     1545:          }egx;
                   1546:       } $_;
                   1547:     }
                   1548:   }
                   1549:
3.175     scop     1550:   return $_;
3.120     scop     1551: }
                   1552:
3.175     scop     1553:
3.120     scop     1554: sub spacedHtmlText($;$)
                   1555: {
3.175     scop     1556:   (local $_, my $ts) = @_;
3.224     scop     1557:   return '' unless defined($_);
3.284     scop     1558:   $ts ||= $tabstop || 8;
3.120     scop     1559:
3.286     scop     1560:   # Expand tabs
                   1561:   1 while s/(.*?)(\t+)/$1 . ' ' x (length($2) * $ts - length($1) % $ts)/e;
3.120     scop     1562:
                   1563:   if ($hr_breakable) {
3.277     scop     1564:     s/^ /\001nbsp;/;      # protect leading and...
                   1565:     s/ $/\001nbsp;/;      # ...trailing whitespace (mostly for String::Ediff),
                   1566:     s/  / \001nbsp;/g;    # ...and leave every other space 'breakable'
3.120     scop     1567:   } else {
                   1568:     s/ /\001nbsp;/g;
                   1569:   }
                   1570:
                   1571:   $_ = htmlify($_, $allow_source_extra);
                   1572:
                   1573:   # unescape
                   1574:   y/\001/&/;
                   1575:
                   1576:   return $_;
                   1577: }
                   1578:
3.175     scop     1579:
3.120     scop     1580: # Note that this doesn't htmlquote the first argument...
                   1581: sub link($$)
                   1582: {
                   1583:   my ($name, $url) = @_;
3.271     scop     1584:   return sprintf('<a href="%s">%s</a>', htmlquote($url), $name);
3.120     scop     1585: }
                   1586:
3.175     scop     1587:
3.120     scop     1588: sub revcmp($$)
                   1589: {
                   1590:   my ($rev1, $rev2) = @_;
                   1591:
                   1592:   # make no comparison for a tag or a branch
                   1593:   return 0 if $rev1 =~ /[^\d.]/ || $rev2 =~ /[^\d.]/;
                   1594:
3.261     scop     1595:   my (@r1) = split(/\./, $rev1);
                   1596:   my (@r2) = split(/\./, $rev2);
3.120     scop     1597:   my ($a, $b);
                   1598:
3.261     scop     1599:   while (($a = shift(@r1)) && ($b = shift(@r2))) {
                   1600:     return $a <=> $b unless ($a == $b);
3.120     scop     1601:   }
                   1602:   if (@r1) { return  1; }
                   1603:   if (@r2) { return -1; }
                   1604:   return 0;
                   1605: }
                   1606:
3.175     scop     1607:
3.287     scop     1608: #
                   1609: # Signal a fatal error.
                   1610: #
3.120     scop     1611: sub fatal($$@)
                   1612: {
                   1613:   my ($errcode, $format, @args) = @_;
3.185     scop     1614:   print "Status: $errcode\r\n";
3.131     scop     1615:   html_header('Error');
3.215     scop     1616:   print '<div id="error">Error: ',
                   1617:     sprintf($format, map(htmlquote($_), @args)), "</div>\n";
3.120     scop     1618:   html_footer();
                   1619:   exit(1);
                   1620: }
                   1621:
3.175     scop     1622:
3.269     scop     1623: #
3.287     scop     1624: # Signal a (fatal) configuration error.
                   1625: #
                   1626: sub config_error($$)
                   1627: {
                   1628:   fatal('500 Internal Error',
                   1629:         'Error loading configuration file "<code>%s</code>":<br /><br />' .
                   1630:         '%s<br />', @_);
                   1631: }
                   1632:
                   1633:
                   1634: #
3.269     scop     1635: # Sends a redirect to the given URL.
                   1636: #
                   1637: sub redirect($;$)
3.120     scop     1638: {
3.269     scop     1639:   my ($url, $permanent) = @_;
                   1640:   my ($status, $text);
                   1641:   if ($permanent) {
                   1642:     $status = '301';
                   1643:     $text   = 'Moved Permanently';
                   1644:   } else {
                   1645:     $status = '302';
                   1646:     $text   = 'Found';
                   1647:   }
                   1648:   print "Status: $status $text\r\n", "Location: $url\r\n";
                   1649:   html_header($text);
                   1650:   print "<p>This document has moved ", &link('here', $url), ".</p>\n";
3.120     scop     1651:   html_footer();
                   1652:   exit(1);
                   1653: }
                   1654:
3.175     scop     1655:
3.120     scop     1656: sub safeglob($)
                   1657: {
                   1658:   my ($filename) = @_;
                   1659:
3.175     scop     1660:   (my $dirname = $filename) =~ s|/[^/]+$||;
3.120     scop     1661:   $filename =~ s|.*/||;
                   1662:
3.175     scop     1663:   my @results;
                   1664:   my $dh = do { local (*DH); };
3.120     scop     1665:   if (opendir($dh, $dirname)) {
                   1666:     my $glob = $filename;
                   1667:     my $t;
                   1668:
3.149     scop     1669:     #   transform filename from glob to regex.  Deal with:
                   1670:     #   [, {, ?, * as glob chars
                   1671:     #   make sure to escape all other regex chars
3.120     scop     1672:     $glob =~ s/([\.\(\)\|\+])/\\$1/g;
                   1673:     $glob =~ s/\*/.*/g;
                   1674:     $glob =~ s/\?/./g;
                   1675:     $glob =~ s/{([^}]+)}/($t = $1) =~ s-,-|-g; "($t)"/eg;
3.222     scop     1676:     $glob = qr/^$glob$/;
                   1677:
3.120     scop     1678:     foreach (readdir($dh)) {
3.222     scop     1679:       if ($_ =~ $glob && $_ =~ VALID_PATH) {
3.194     scop     1680:         push(@results, catfile($dirname, $1)); # untaint
3.120     scop     1681:       }
                   1682:     }
                   1683:     closedir($dh);
                   1684:   }
                   1685:
3.175     scop     1686:   return @results;
3.120     scop     1687: }
                   1688:
3.160     scop     1689:
3.227     scop     1690: #
3.230     scop     1691: # Searches @command_path for the given executable file.
3.227     scop     1692: #
3.120     scop     1693: sub search_path($)
                   1694: {
                   1695:   my ($command) = @_;
3.230     scop     1696:   for my $d (@command_path) {
3.227     scop     1697:     my $cmd = catfile($d, $command);
                   1698:     return $cmd if (-x $cmd && !-d _);
3.120     scop     1699:   }
                   1700:   return '';
                   1701: }
                   1702:
3.156     scop     1703:
3.219     scop     1704: #
                   1705: # Gets the enscript(1) highlight mode corresponding to the given filename,
                   1706: # or undef if unsupported.
                   1707: #
                   1708: sub getEnscriptHL($)
                   1709: {
                   1710:   return undef unless $allow_enscript;
                   1711:   my ($filename) = @_;
                   1712:   while (my ($hl, $regex) = each %enscript_types) {
                   1713:     return $hl if ($filename =~ $regex);
                   1714:   }
                   1715:   return undef;
                   1716: }
                   1717:
                   1718:
                   1719: #
                   1720: # Gets the MIME type for the given file name.
                   1721: #
3.156     scop     1722: sub getMimeType($;$)
3.120     scop     1723: {
3.156     scop     1724:   my ($fullname, $binary) = @_;
                   1725:   $binary = ($keywordsubstitution && $keywordsubstitution =~ /b/)
                   1726:     unless defined($binary);
                   1727:
                   1728:   (my $suffix = $fullname) =~ s/^.*\.([^.]*)$/$1/;
                   1729:
                   1730:   my $mimetype = $MTYPES{$suffix};
                   1731:   $mimetype  ||= $MimeTypes->mimeTypeOf($fullname) if defined($MimeTypes);
                   1732:
                   1733:   if (!$mimetype && $suffix ne '*' && -f $mime_types && -r _) {
                   1734:     my $fh = do { local (*FH); };
                   1735:     if (open($fh, $mime_types)) {
                   1736:       my $re = sprintf('^\s*(\S+\/\S+)\s.+\b%s\b', quotemeta($suffix));
3.222     scop     1737:       $re = qr/$re/;
3.156     scop     1738:       while (my $line = <$fh>) {
                   1739:         if ($line =~ $re) {
                   1740:           $mimetype = $1;
                   1741:           $MTYPES{$suffix} = $mimetype;
                   1742:           last;
                   1743:         }
3.120     scop     1744:       }
3.156     scop     1745:       close($fh);
                   1746:     } else {
                   1747:       warn("Can't open MIME types file $mime_types for reading: $!");
3.120     scop     1748:     }
                   1749:   }
                   1750:
3.156     scop     1751:   $mimetype ||= $MTYPES{'*'};
                   1752:   $mimetype ||= $binary ? 'application/octet-stream' : 'text/plain';
3.120     scop     1753:   return $mimetype;
3.1       knu      1754: }
                   1755:
3.156     scop     1756:
3.1       knu      1757: ###############################
3.24      knu      1758: # read first lines like head(1)
                   1759: ###############################
3.120     scop     1760: sub head($;$)
                   1761: {
3.175     scop     1762:   my ($fh, $linecount) = @_;
                   1763:   $linecount ||= 10;
3.24      knu      1764:
3.120     scop     1765:   my @buf;
                   1766:   if ($linecount > 0) {
3.184     scop     1767:     for (my $i = 0; !eof($fh) && $i < $linecount; $i++) {
3.120     scop     1768:       push @buf, scalar <$fh>;
                   1769:     }
                   1770:   } else {
                   1771:     @buf = <$fh>;
                   1772:   }
3.175     scop     1773:   return @buf;
                   1774: }
3.120     scop     1775:
3.24      knu      1776:
                   1777: ###############################
                   1778: # scan vim and Emacs directives
                   1779: ###############################
3.120     scop     1780: sub scan_directives(@)
                   1781: {
                   1782:   my $ts = undef;
3.24      knu      1783:
3.120     scop     1784:   for (@_) {
                   1785:     $ts = $1 if /\b(?:ts|tabstop|tab-width)[:=]\s*([1-9]\d*)\b/;
                   1786:   }
3.24      knu      1787:
3.120     scop     1788:   ('tabstop' => $ts);
3.24      knu      1789: }
                   1790:
3.175     scop     1791:
3.120     scop     1792: sub openOutputFilter()
                   1793: {
3.175     scop     1794:   return unless $output_filter;
3.86      knu      1795:
3.120     scop     1796:   open(STDOUT, "|-") and return;
3.86      knu      1797:
3.120     scop     1798:   # child of child
3.273     scop     1799:   open(STDERR, '>', devnull()) unless $DEBUG;
3.120     scop     1800:   exec($output_filter) or exit -1;
3.86      knu      1801: }
                   1802:
3.175     scop     1803:
3.24      knu      1804: ###############################
3.1       knu      1805: # show Annotation
                   1806: ###############################
3.275     scop     1807: sub doAnnotate($$)
3.120     scop     1808: {
3.275     scop     1809:   my ($rev, $tag) = @_;
                   1810:   $rev = $tag || 'HEAD' if ($rev eq '.');
3.262     scop     1811:   (my $pathname = $where) =~ s|((?<=/)Attic/)?[^/]*$||;
3.261     scop     1812:   (my $filename = $where) =~ s|^.*/||;
3.126     scop     1813:
3.174     scop     1814:   # This annotate version is based on the cvs annotate-demo Perl script by
                   1815:   # Cyclic Software.  It was written by Cyclic Software,
                   1816:   # http://www.cyclic.com/, and is in the public domain.
                   1817:   # We could abandon the use of rlog, rcsdiff and co using
                   1818:   # the cvs server in a similiar way one day (..after rewrite).
                   1819:
                   1820:   local (*CVS_IN, *CVS_OUT);
3.215     scop     1821:   my $annotate_err;
3.174     scop     1822:   my ($h, $err) =
                   1823:     startproc([ $CMD{cvs}, @annotate_options, 'server' ],
3.215     scop     1824:               '<pipe', \*CVS_IN, '>pipe', \*CVS_OUT,
3.229     scop     1825:               '2>', \$annotate_err);
3.215     scop     1826:   fatal('500 Internal Error',
                   1827:         'Annotate failure (exit status %s), output: <pre>%s</pre>',
                   1828:         $? >> 8 || -1, $err)
                   1829:     unless $h;
3.120     scop     1830:
                   1831:   # OK, first send the request to the server.  A simplified example is:
                   1832:   #     Root /home/kingdon/zwork/cvsroot
                   1833:   #     Argument foo/xx
                   1834:   #     Directory foo
                   1835:   #     /home/kingdon/zwork/cvsroot/foo
                   1836:   #     Directory .
                   1837:   #     /home/kingdon/zwork/cvsroot
                   1838:   #     annotate
                   1839:   # although as you can see there are a few more details.
                   1840:
3.174     scop     1841:   print CVS_IN "Root $cvsroot\n";
                   1842:   print CVS_IN
3.120     scop     1843:     "Valid-responses ok error Valid-requests Checked-in Updated Merged Removed M E\n";
                   1844:
                   1845:   # Don't worry about sending valid-requests, the server just needs to
                   1846:   # support "annotate" and if it doesn't, there isn't anything to be done.
3.174     scop     1847:   print CVS_IN "UseUnchanged\n";
                   1848:   print CVS_IN "Argument -r\n";
                   1849:   print CVS_IN "Argument $rev\n";
                   1850:   print CVS_IN "Argument $where\n";
3.120     scop     1851:
                   1852:   # The protocol requires us to fully fake a working directory (at
                   1853:   # least to the point of including the directories down to the one
                   1854:   # containing the file in question).
3.123     scop     1855:   # So if $where is "dir/sdir/file", then dirs will be ("dir","sdir","file")
                   1856:   my $path = '';
                   1857:   foreach my $dir (split('/', $where)) {
3.120     scop     1858:
                   1859:     if ($path eq "") {
3.123     scop     1860:       # In our example, $dir is "dir".
                   1861:       $path = $dir;
3.120     scop     1862:     } else {
3.174     scop     1863:       print CVS_IN "Directory $path\n";
                   1864:       print CVS_IN "$cvsroot/$path\n";
3.120     scop     1865:
                   1866:       # In our example, $_ is "sdir" and $path becomes "dir/sdir"
                   1867:       # And the next time, "file" and "dir/sdir/file" (which then gets
                   1868:       # ignored, because we don't need to send Directory for the file).
3.123     scop     1869:       $path .= "/$dir";
3.120     scop     1870:     }
                   1871:   }
3.123     scop     1872:   undef $path;
3.120     scop     1873:
                   1874:   # And the last "Directory" before "annotate" is the top level.
3.174     scop     1875:   print CVS_IN "Directory .\n";
                   1876:   print CVS_IN "$cvsroot\n";
3.120     scop     1877:
3.174     scop     1878:   print CVS_IN "annotate\n";
3.120     scop     1879:
                   1880:   # OK, we've sent our command to the server.  Thing to do is to
3.215     scop     1881:   # close the writer side and get all the responses.
                   1882:   if (!close(CVS_IN)) {
3.229     scop     1883:     $h->finish();
3.215     scop     1884:     fatal('500 Internal Error',
                   1885:           'Annotate failure (exit status %s): <code>%s</code>, output: ' .
                   1886:           '<pre>%s</pre>', $? >> 8, $!, $annotate_err);
                   1887:   }
3.120     scop     1888:
3.133     scop     1889:   navigateHeader($scriptwhere, $pathname, $filename, $rev, 'annotate');
3.120     scop     1890:
3.275     scop     1891:   my $revtype = ($rev =~ /\./) ? 'revision' : 'tag'; # TODO: tag -> branch/tag?
3.136     scop     1892:   print '<h3 style="text-align: center">Annotation of ',
3.275     scop     1893:     htmlquote("$pathname$filename"), ", $revtype $rev</h3>\n";
3.120     scop     1894:
                   1895:   # Ready to get the responses from the server.
                   1896:   # For example:
                   1897:   #     E Annotations for foo/xx
                   1898:   #     E ***************
                   1899:   #     M 1.3          (kingdon  06-Sep-97): hello
                   1900:   #     ok
                   1901:   my ($lineNr) = 0;
                   1902:   my ($oldLrev, $oldLusr) = ("", "");
                   1903:   my ($revprint, $usrprint);
                   1904:
                   1905:   if ($annTable) {
3.179     scop     1906:     print <<EOF;
                   1907: <table style="border: none" cellspacing="0" cellpadding="0" summary="Annotation">
                   1908: EOF
3.120     scop     1909:   } else {
                   1910:     print "<pre>";
                   1911:   }
                   1912:
                   1913:   # prefetch several lines
3.174     scop     1914:   my @buf = head(*CVS_OUT);
3.120     scop     1915:
                   1916:   my %d = scan_directives(@buf);
                   1917:
3.174     scop     1918:   while (@buf || !eof(*CVS_OUT)) {
3.197     scop     1919:
3.174     scop     1920:     $_ = @buf ? shift @buf : <CVS_OUT>;
3.120     scop     1921:     my @words = split;
                   1922:
                   1923:     # Adding one is for the (single) space which follows $words[0].
                   1924:     my $rest = substr($_, length($words[0]) + 1);
                   1925:     if ($words[0] eq "E") {
                   1926:       next;
                   1927:     } elsif ($words[0] eq "M") {
                   1928:       $lineNr++;
                   1929:       (my $lrev = substr($_, 2,  13)) =~ y/ //d;
                   1930:       (my $lusr = substr($_, 16, 9))  =~ y/ //d;
                   1931:       my $line = substr($_, 36);
3.275     scop     1932:       # TODO: this does not work for branch/tag revisions.
3.120     scop     1933:       my $isCurrentRev = ($rev eq $lrev);
                   1934:
                   1935:       # we should parse the date here ..
                   1936:       if ($lrev eq $oldLrev) {
                   1937:         $revprint = sprintf('%-8s', '');
                   1938:       } else {
                   1939:         $revprint = sprintf('%-8s', $lrev);
3.266     scop     1940:         $revprint =~ s|(\S+)|&link($1, uri_escape($filename)."$query#rev$1")|e;
3.120     scop     1941:         $oldLusr = '';
                   1942:       }
                   1943:
3.268     scop     1944:       $usrprint = ($lusr eq $oldLusr) ? '' : $lusr;
3.120     scop     1945:       $oldLrev = $lrev;
                   1946:       $oldLusr = $lusr;
                   1947:
3.250     scop     1948:       print $is_textbased ? '<b>' : '<span class="current-rev">'
                   1949:         if $isCurrentRev;
3.120     scop     1950:
3.136     scop     1951:       $usrprint = sprintf('%-8s', $usrprint);
                   1952:       printf '%s%s %s %4d:', $revprint, $isCurrentRev ? '!' : ' ',
                   1953:         htmlquote($usrprint), $lineNr;
3.254     scop     1954:       print spacedHtmlText($line, $d{tabstop});
3.120     scop     1955:
3.250     scop     1956:       print $is_textbased ? '</b>' : '</span>' if $isCurrentRev;
                   1957:
3.120     scop     1958:     } elsif ($words[0] eq "ok") {
                   1959:       # We could complain about any text received after this, like the
                   1960:       # CVS command line client.  But for simplicity, we don't.
3.275     scop     1961:
3.120     scop     1962:     } elsif ($words[0] eq "error") {
                   1963:       fatal("500 Internal Error",
                   1964:             'Error occured during annotate: <b>%s</b>', $_);
                   1965:     }
                   1966:   }
3.229     scop     1967:   $h->finish();
3.120     scop     1968:
                   1969:   if ($annTable) {
                   1970:     print "</table>";
                   1971:   } else {
                   1972:     print "</pre>";
                   1973:   }
3.124     scop     1974:   html_footer();
3.1       knu      1975: }
                   1976:
                   1977: ###############################
                   1978: # make Checkout
                   1979: ###############################
3.275     scop     1980: sub doCheckout($$$)
3.120     scop     1981: {
3.275     scop     1982:   my ($fullname, $rev, $tag) = @_;
                   1983:   $rev = $tag || undef if (!$rev || $rev eq '.');
3.120     scop     1984:
3.219     scop     1985:   # Start resolving whether we will do a markup view or not.
                   1986:   my $do_markup = undef;
3.226     scop     1987:   my $want_type = $input{'content-type'};
                   1988:
3.219     scop     1989:   # No markup if markup disallowed.
                   1990:   $do_markup = 0 unless $allow_markup;
3.226     scop     1991:
3.219     scop     1992:   # No markup if checkout magic cookie in URL.
                   1993:   $do_markup = 0 if (!defined($do_markup) && $doCheckout);
3.226     scop     1994:
3.219     scop     1995:   # Do markup if explicitly asked using cvsweb-markup content type.  If the
                   1996:   # asked content type is anything else, no markup.
3.226     scop     1997:   if (!defined($do_markup) && $want_type) {
                   1998:     if ($want_type =~ CVSWEBMARKUP) {
                   1999:       $want_type = undef;
                   2000:       $do_markup = 1;
                   2001:     } else {
                   2002:       $do_markup = 0;
                   2003:     }
3.219     scop     2004:   }
                   2005:
                   2006:   # Ok, if $do_markup is still undefined, we know that a download has not been
                   2007:   # explicitly asked.  For the last check further down below we'll need to
                   2008:   # know if the file is binary, and possibly run a log on it.
                   2009:   my $needlog = $do_markup || $use_moddate;
3.120     scop     2010:
3.163     scop     2011:   my $moddate = undef;
3.175     scop     2012:   my $revopt;
3.120     scop     2013:   if (defined($rev)) {
                   2014:     $revopt = "-r$rev";
3.219     scop     2015:     if ($needlog) {
3.120     scop     2016:       readLog($fullname, $rev);
3.275     scop     2017:       $moddate   = $date{$rev};
                   2018:       # TODO: even this does not work for branch tags, but only normal tags :(
                   2019:       $moddate ||= $date{$symrev{$rev}} if defined($symrev{$rev});
3.120     scop     2020:     }
                   2021:   } else {
                   2022:     $revopt = "-rHEAD";
3.219     scop     2023:     if ($needlog) {
3.120     scop     2024:       readLog($fullname);
                   2025:       $moddate = $date{$symrev{HEAD}};
                   2026:     }
                   2027:   }
                   2028:
3.194     scop     2029:   my $cr = abs_path($cvsroot) || $cvsroot;
                   2030:   # abs_path() taints when run as a CGI...
                   2031:   if ($cr =~ VALID_PATH) {
                   2032:     $cr = $1;
                   2033:   } else {
                   2034:     fatal('500 Internal Error', 'Illegal CVS root: <code>%s</code>', $cr);
                   2035:   }
3.183     scop     2036:   # Use abs_path() to work around a bug of cvs -p; expand symlinks if we can.
3.194     scop     2037:   my @cmd = ($CMD{cvs}, @cvs_options, '-d', $cr, 'co', '-p', $revopt, $where);
3.183     scop     2038:
3.174     scop     2039:   local (*CVS_OUT, *CVS_ERR);
                   2040:   my ($h, $err) =
3.229     scop     2041:     startproc(\@cmd, \"", '>pipe', \*CVS_OUT, '2>pipe', \*CVS_ERR);
3.215     scop     2042:   fatal('500 Internal Error',
                   2043:         'Checkout failure (exit status %s), output: <pre>%s</pre>',
                   2044:         $? >> 8 || -1, $err)
                   2045:     unless $h;
3.120     scop     2046:
3.174     scop     2047:   if (eof(CVS_ERR)) {
3.229     scop     2048:     $h->finish();
3.120     scop     2049:     fatal("404 Not Found", '%s is not (any longer) pertinent', $where);
                   2050:   }
                   2051:
                   2052:   #===================================================================
                   2053:   #Checking out squid/src/ftp.c
                   2054:   #RCS:  /usr/src/CVS/squid/src/ftp.c,v
                   2055:   #VERS: 1.1.1.28.6.2
                   2056:   #***************
                   2057:
                   2058:   # Parse CVS header
                   2059:   my ($revision, $filename, $cvsheader);
                   2060:   $filename = "";
3.174     scop     2061:   while (<CVS_ERR>) {
3.120     scop     2062:     last if (/^\*\*\*\*/);
                   2063:     $revision = $1 if (/^VERS: (.*)$/);
                   2064:
                   2065:     if (/^Checking out (.*)$/) {
3.214     scop     2066:       ($filename = $1) =~ s|^\./+||;
3.120     scop     2067:     }
                   2068:     $cvsheader .= $_;
                   2069:   }
3.219     scop     2070:   close(CVS_ERR);
3.120     scop     2071:
                   2072:   if ($filename ne $where) {
3.229     scop     2073:     $h->finish();
3.120     scop     2074:     fatal("500 Internal Error",
3.214     scop     2075:           'Unexpected output from cvs co: <pre>%s</pre> ' .
                   2076:           '(expected "<code>%s</code>" but got "<code>%s</code>")',
                   2077:           $cvsheader, $where, $filename);
3.120     scop     2078:   }
                   2079:
3.219     scop     2080:   # Last checks whether we'll do markup or not.
                   2081:   my $isbin = $keywordsubstitution && $keywordsubstitution =~ /b/;
                   2082:   my $mimetype = getMimeType($fullname, $isbin);
                   2083:
                   2084:   # If we still are not sure whether to do markup or not:
                   2085:   # if the MIME type is "viewable" or this is not a binary file, do.
                   2086:   $do_markup = !$isbin || viewable($mimetype) unless defined($do_markup);
                   2087:
                   2088:   if ($do_markup) {
                   2089:
                   2090:     # If this is something we'll be linking to in the markup view, we are
                   2091:     # done with this particular output from "cvs co" and must discard it.
                   2092:     my $linked = $mimetype =~ m{^image/|application/pdf$}i;
                   2093:     if ($linked) {
                   2094:       close(CVS_OUT);
3.229     scop     2095:       $h->finish();
3.219     scop     2096:     }
                   2097:
3.163     scop     2098:     # Here we know the last modified date, but don't know if tags have been
3.219     scop     2099:     # added afterwards (those are shown in the markup view): no last-modified.
                   2100:     cvswebMarkup(\*CVS_OUT, $fullname, $revision, $isbin, $mimetype, $needlog);
                   2101:
3.229     scop     2102:     $h->finish() unless $linked;
3.219     scop     2103:
3.120     scop     2104:   } else {
3.226     scop     2105:     http_header($want_type || $mimetype, $moddate);
3.174     scop     2106:     local $/ = undef;
                   2107:     print <CVS_OUT>;
3.229     scop     2108:     $h->finish();
3.120     scop     2109:   }
1.12      fenner   2110: }
                   2111:
3.174     scop     2112:
3.219     scop     2113: sub cvswebMarkup($$$$$$;$)
3.120     scop     2114: {
3.219     scop     2115:   my ($filehandle, $fullname, $rev, $isbin, $mimetype, $logged, $mod) = @_;
3.1       knu      2116:
3.262     scop     2117:   (my $pathname = $where) =~ s|((?<=/)Attic/)?[^/]*$||;
3.261     scop     2118:   (my $filename = $where) =~ s|^.*/||;
3.120     scop     2119:
3.219     scop     2120:   navigateHeader($scriptwhere, $pathname, $filename, $rev, 'view', $mod);
3.120     scop     2121:
3.144     scop     2122:   print <<EOF;
3.208     scop     2123: <hr />
3.182     scop     2124: <div class="log-markup">
                   2125: File:&nbsp;
3.144     scop     2126: EOF
3.219     scop     2127:   print &clickablePath($where, 1), "<br />\n";
3.120     scop     2128:
                   2129:   if ($show_log_in_markup) {
3.219     scop     2130:     readLog($fullname) unless $logged; #,$rev);
                   2131:     printLog($rev, $mimetype, $isbin);
3.120     scop     2132:   } else {
3.244     scop     2133:     print "Revision: <b>$rev</b><br />\n";
                   2134:     print 'Tag: ', htmlquote($input{only_with_tag}), "<br />\n"
3.120     scop     2135:       if $input{only_with_tag};
                   2136:   }
3.208     scop     2137:   print "</div>\n<hr />";
3.271     scop     2138:   my $url = download_url(uri_escape($filename), $rev, $mimetype);
3.120     scop     2139:
3.219     scop     2140:   if ($mimetype =~ m|^image/|i) {
3.208     scop     2141:     printf '<img src="%s" alt="%s" /><br />',
3.271     scop     2142:       $url . $barequery, htmlquote($filename);
3.219     scop     2143:   } elsif (lc($mimetype) eq 'application/pdf') {
3.208     scop     2144:     printf '<embed src="%s" width="100%%" height="100%%" /><br />',
3.271     scop     2145:       $url . $barequery;
3.120     scop     2146:   } else {
                   2147:
3.208     scop     2148:     print "<pre>\n";
3.167     scop     2149:     my $linenumbers = $input{ln} || 0;
3.149     scop     2150:
3.219     scop     2151:     if (my $enscript_hl = getEnscriptHL($filename)) {
3.167     scop     2152:       doEnscript($filehandle, $enscript_hl, $linenumbers);
3.148     scop     2153:
                   2154:     } else {
3.200     scop     2155:       my $ln  = 0;
                   2156:       my @buf = ();
                   2157:       my $ts  = undef;
                   2158:
                   2159:       if ($preformat_in_markup) {
                   2160:         # prefetch several lines
                   2161:         @buf = head($filehandle);
                   2162:         my %d = scan_directives(@buf);
                   2163:         $ts = $d{tabstop};
                   2164:       }
                   2165:
                   2166:       while (@buf || !eof($filehandle)) {
                   2167:         $_ = @buf ? shift @buf : <$filehandle>;
3.167     scop     2168:         if ($linenumbers) {
                   2169:           $ln++;
                   2170:           printf '<a id="l%d" class="src">%5d: </a>', ($ln) x 2;
3.149     scop     2171:         }
3.200     scop     2172:         print $preformat_in_markup ? spacedHtmlText($_, $ts) : htmlquote($_);
3.148     scop     2173:       }
3.120     scop     2174:     }
3.149     scop     2175:
                   2176:     print "</pre>\n";
3.120     scop     2177:   }
3.131     scop     2178:   html_footer();
3.120     scop     2179: }
                   2180:
3.156     scop     2181:
3.120     scop     2182: sub viewable($)
                   2183: {
3.219     scop     2184:   return shift =~ m{^((text|image)/|application/pdf)}i;
3.156     scop     2185: }
3.120     scop     2186:
3.1       knu      2187:
                   2188: ###############################
                   2189: # Show Colored Diff
                   2190: ###############################
3.120     scop     2191: sub doDiff($$$$$$)
                   2192: {
                   2193:   my ($fullname, $r1, $tr1, $r2, $tr2, $f) = @_;
                   2194:
3.233     scop     2195:   if (forbidden($fullname)) {
                   2196:     fatal('403 Forbidden', 'Access to %s forbidden.', $where);
3.120     scop     2197:   }
                   2198:
3.175     scop     2199:   my ($rev1, $sym1);
3.120     scop     2200:   if ($r1 =~ /([^:]+)(:(.+))?/) {
                   2201:     $rev1 = $1;
                   2202:     $sym1 = $3;
                   2203:   }
                   2204:   if ($r1 eq 'text') {
                   2205:     $rev1 = $tr1;
                   2206:     $sym1 = "";
                   2207:   }
                   2208:
3.175     scop     2209:   my ($rev2, $sym2);
3.120     scop     2210:   if ($r2 =~ /([^:]+)(:(.+))?/) {
                   2211:     $rev2 = $1;
                   2212:     $sym2 = $3;
                   2213:   }
                   2214:   if ($r2 eq 'text') {
                   2215:     $rev2 = $tr2;
                   2216:     $sym2 = "";
                   2217:   }
                   2218:
                   2219:   #
                   2220:   # rev1 and rev2 are now both numeric revisions.
                   2221:   # Thus we do a DWIM here and swap them if rev1 is after rev2.
                   2222:   # XXX should we warn about the fact that we do this?
                   2223:   if (&revcmp($rev1, $rev2) > 0) {
                   2224:     my ($tmp1, $tmp2) = ($rev1, $sym1);
                   2225:     ($rev1, $sym1) = ($rev2, $sym2);
                   2226:     ($rev2, $sym2) = ($tmp1, $tmp2);
                   2227:   }
3.225     scop     2228:
                   2229:   my $mimetype = getMimeType($fullname);
                   2230:
                   2231:   #
                   2232:   #  Check for per-MIME type diff commands.
                   2233:   #
                   2234:   my $diffcmd = undef;
                   2235:   if (my $diffcmds = $DIFF_COMMANDS{lc($mimetype)}) {
                   2236:     if ($f =~ /^ext(\d*)$/) {
                   2237:       my $n = $1 || 0;
                   2238:       $diffcmd = $diffcmds->[$n];
                   2239:     }
                   2240:   }
                   2241:   if ($diffcmd && $diffcmd->{cmd} && $diffcmd->{name}) {
                   2242:
                   2243:     if ($diffcmd->{args} && ref($diffcmd->{args}) ne 'ARRAY') {
                   2244:       fatal('500 Internal Error',
                   2245:             'Configuration error: arguments to external diff tools must ' .
                   2246:             'be given as array refs.  See "<code>%s</code>" in ' .
                   2247:             '<code>%%DIFF_COMMANDS</code>.',
                   2248:             $diffcmd->{name});
                   2249:     }
                   2250:
                   2251:     (my $cvsname = $where) =~ s/\.diff$//;
                   2252:
                   2253:     # Create two temporary files with the two revisions
                   2254:     my $temp_fn1 = checkout_to_temp($cvsroot, $cvsname, $rev1);
                   2255:     my $temp_fn2 = checkout_to_temp($cvsroot, $cvsname, $rev2);
                   2256:
                   2257:     # Execute chosen diff binary.
                   2258:     local (*DIFF_OUT);
                   2259:     my @cmd = ($diffcmd->{cmd});
                   2260:     push(@cmd, @{$diffcmd->{args}}) if $diffcmd->{args};
                   2261:     push(@cmd, $temp_fn1, $temp_fn2);
                   2262:     my ($h, $err) = startproc(\@cmd, \"", '>pipe', \*DIFF_OUT);
                   2263:     if (!$h) {
                   2264:       unlink($temp_fn1);
                   2265:       unlink($temp_fn2);
                   2266:       fatal('500 Internal Error',
                   2267:             'Diff failure (exit status %s), output: <pre>%s</pre>',
                   2268:             $? >> 8 || -1, $err);
                   2269:     }
                   2270:
                   2271:     http_header($diffcmd->{type} || 'text/plain');
                   2272:     local $/ = undef;
                   2273:     print <DIFF_OUT>;
3.229     scop     2274:     $h->finish();
3.225     scop     2275:     unlink($temp_fn1);
                   2276:     unlink($temp_fn2);
                   2277:
                   2278:     exit;
                   2279:   }
                   2280:
                   2281:   #
                   2282:   # Normal CVS diff.
                   2283:   #
                   2284:
                   2285:   $f = $DEFAULTVALUE{f} || 'u' if ($f =~ /^ext\d*$/);
3.120     scop     2286:   my $difftype = $DIFFTYPES{$f};
                   2287:   if (!$difftype) {
                   2288:     fatal("400 Bad arguments", 'Diff format %s not understood', $f);
                   2289:   }
                   2290:
3.254     scop     2291:   my @difftype       = @{$difftype->{opts}};
                   2292:   my $human_readable = $difftype->{colored};
3.120     scop     2293:
4.2       schwarze 2294:   # Apply special diff options.
                   2295:   push @difftype, '-p' if $showfunc;
3.120     scop     2296:
                   2297:   if ($human_readable) {
3.247     scop     2298:     push(@difftype, '-w')  if $hr_ignwhite;
                   2299:     push(@difftype, '-kk') if $hr_ignkeysubst;
3.120     scop     2300:   }
                   2301:
3.175     scop     2302:   my $fh = do { local (*FH); };
3.120     scop     2303:   if (!open($fh, "-|")) {    # child
                   2304:     open(STDERR, ">&STDOUT");    # Redirect stderr to stdout
                   2305:     openOutputFilter();
3.166     scop     2306:     exec($CMD{rcsdiff}, @rcsdiff_options, @difftype, "-r$rev1", "-r$rev2",
                   2307:          $fullname) or exit -1;
3.120     scop     2308:   }
3.166     scop     2309:
3.120     scop     2310:   if ($human_readable) {
3.168     scop     2311:     #
                   2312:     # Human readable diff.
                   2313:     #
                   2314:     human_readable_diff($fh, $rev2);
                   2315:     html_footer();
                   2316:     gzipclose();
                   2317:     exit;
                   2318:
                   2319:   } elsif ($f =~ /^([ucs])c$/) {
                   2320:     #
                   2321:     # Enscript colored diff.
                   2322:     #
                   2323:     my $hl = 'diff';
                   2324:     $hl .= $1 if ($1 eq 'u' || $1 eq 's');
                   2325:     (my $where_nd = $where)       =~ s/\.diff$//;
3.262     scop     2326:     (my $pathname = $where_nd)    =~ s|((?<=/)Attic/)?[^/]*$||;
3.168     scop     2327:     (my $filename = $where_nd)    =~ s|^.*/||;
                   2328:     (my $swhere   = $scriptwhere) =~ s|\.diff$||;
                   2329:     navigateHeader($swhere, $pathname, $filename, $rev2, 'diff');
                   2330:     printf(<<EOF, $where_nd, $rev1, $rev2);
                   2331: <h3 style="text-align: center">Diff for /%s between versions %s and %s</h3>
                   2332: <pre>
                   2333: EOF
3.240     scop     2334:     doEnscript(\$fh, $hl, 0, 'cvsweb_diff');
3.168     scop     2335:     print <<EOF;
                   2336: </pre>
3.208     scop     2337: <hr style="width: 100%" />
3.168     scop     2338: <form method="get" action="$scriptwhere">
                   2339: EOF
                   2340:     printDiffSelectStickyVars();
                   2341:     print 'Diff format: ';
                   2342:     printDiffSelect($use_java_script);
3.208     scop     2343:     print "<input type=\"submit\" value=\"Show\" />\n</form>\n";
3.120     scop     2344:     html_footer();
                   2345:     gzipclose();
                   2346:     exit;
3.168     scop     2347:
3.120     scop     2348:   } else {
3.168     scop     2349:     #
                   2350:     # Plain diff.
                   2351:     #
3.120     scop     2352:     http_header("text/plain");
                   2353:   }
                   2354:
                   2355:   #
                   2356:   #===================================================================
                   2357:   #RCS file: /home/ncvs/src/sys/netinet/tcp_output.c,v
                   2358:   #retrieving revision 1.16
                   2359:   #retrieving revision 1.17
                   2360:   #diff -c -r1.16 -r1.17
                   2361:   #*** /home/ncvs/src/sys/netinet/tcp_output.c     1995/11/03 22:08:08     1.16
                   2362:   #--- /home/ncvs/src/sys/netinet/tcp_output.c     1995/12/05 17:46:35     1.17
                   2363:   #
                   2364:   # Ideas:
                   2365:   # - nuke the stderr output if it's what we expect it to be
                   2366:   # - Add "no differences found" if the diff command supplied no output.
                   2367:   #
                   2368:   #*** src/sys/netinet/tcp_output.c     1995/11/03 22:08:08     1.16
                   2369:   #--- src/sys/netinet/tcp_output.c     1995/12/05 17:46:35     1.17 RELENG_2_1_0
                   2370:   # (bogus example, but...)
                   2371:   #
3.175     scop     2372:   my ($f1, $f2);
3.120     scop     2373:   if (grep { $_ eq '-u' } @difftype) {
                   2374:     $f1 = '---';
                   2375:     $f2 = '\+\+\+';
                   2376:   } else {
                   2377:     $f1 = '\*\*\*';
                   2378:     $f2 = '---';
                   2379:   }
                   2380:
                   2381:   while (<$fh>) {
                   2382:     if (m|^$f1 $cvsroot|o) {
                   2383:       s|$cvsroot/||o;
                   2384:       if ($sym1) {
                   2385:         chop;
                   2386:         $_ .= " $sym1\n";
                   2387:       }
                   2388:     } elsif (m|^$f2 $cvsroot|o) {
                   2389:       s|$cvsroot/||o;
                   2390:
                   2391:       if ($sym2) {
                   2392:         chop;
                   2393:         $_ .= " $sym2\n";
                   2394:       }
                   2395:     }
                   2396:     print $_;
                   2397:   }
                   2398:   close($fh);
1.12      fenner   2399: }
                   2400:
3.175     scop     2401:
3.1       knu      2402: ###############################
                   2403: # Show Logs ..
                   2404: ###############################
3.120     scop     2405: sub getDirLogs($$@)
                   2406: {
                   2407:   my ($cvsroot, $dirname, @otherFiles) = @_;
3.139     scop     2408:   my $tag = $input{only_with_tag};
3.196     scop     2409:   my $DirName = catdir($cvsroot, $where);
3.120     scop     2410:
3.139     scop     2411:   my @files = &safeglob("$DirName/*,v");
3.254     scop     2412:   push (@files, &safeglob("$DirName/Attic/*,v")) unless $input{hideattic};
3.120     scop     2413:   foreach my $file (@otherFiles) {
3.196     scop     2414:     push(@files, catfile($DirName, $file));
3.120     scop     2415:   }
                   2416:
3.150     scop     2417:   # Weed out unreadable files.
                   2418:   my $i = 0;
                   2419:   my @unreadable = ();
                   2420:   while ($i < scalar(@files)) {
3.197     scop     2421:     # Note: last modified files from subdirs returned by
                   2422:     # findLastModifiedSubdirs() come without the ,v suffix so they're not
                   2423:     # found here, but have already been checked for readability.  *cough*
                   2424:     if (-r $files[$i] || !-e _) {
3.150     scop     2425:       $i++;
                   2426:     } else {
                   2427:       push(@unreadable, splice(@files, $i, 1));
                   2428:     }
                   2429:   }
                   2430:
3.139     scop     2431:   # If there are no files, we're done.
3.150     scop     2432:   return @unreadable unless @files;
3.120     scop     2433:
3.139     scop     2434:   my @cmd = ($CMD{rlog});
                   2435:   # Can't use -r<tag> as '-' is allowed in tagnames,
                   2436:   # but misinterpreted by rlog.
                   2437:   push(@cmd, '-r') unless defined($tag);
3.120     scop     2438:
3.139     scop     2439:   my $fh = do { local (*FH); };
3.273     scop     2440:   if (!open($fh, '-|')) {                       # Child
                   2441:     open(STDERR, '>', devnull()) unless $DEBUG; # Ignore rlog's complaints.
3.139     scop     2442:     openOutputFilter();
                   2443:     if ($file_list_len && $file_list_len > 1) {
                   2444:       while (scalar(@files) > $file_list_len) {  # Process files in chunks.
                   2445:         system(@cmd, splice(@files, 0, $file_list_len)) == 0 or exit -1;
                   2446:       }
3.120     scop     2447:     }
3.139     scop     2448:     exec(@cmd, @files) or exit -1;
                   2449:   }
                   2450:   undef @cmd;
3.120     scop     2451:
3.139     scop     2452:   my $state = 'start';
                   2453:   my ($date, $branchpoint, $branch, $log, @filetags);
3.152     scop     2454:   my ($rev, $revision, $revwanted, $filename, $head, $author, $keywordsubst);
3.120     scop     2455:
                   2456:   while (<$fh>) {
                   2457:     if ($state eq "start") {
                   2458:
                   2459:       #Next file. Initialize file variables
                   2460:       $rev         = '';
                   2461:       $revwanted   = '';
                   2462:       $branch      = '';
                   2463:       $branchpoint = '';
                   2464:       $filename    = '';
                   2465:       $log         = '';
                   2466:       $revision    = '';
                   2467:       %symrev      = ();
                   2468:       @filetags    = ();
3.152     scop     2469:       $keywordsubst= '';
3.120     scop     2470:
                   2471:       #jump to head state
                   2472:       $state = "head";
                   2473:     }
3.144     scop     2474:
3.120     scop     2475:     again:
                   2476:
                   2477:     if ($state eq "head") {
                   2478:
                   2479:       #$rcsfile = $1 if (/^RCS file: (.+)$/); #not used (yet)
                   2480:
                   2481:       if (/^Working file: (.+)$/) {
                   2482:         $filename = $1;
                   2483:       } elsif (/^head: (.+)$/) {
                   2484:         $head = $1;
                   2485:       } elsif (/^branch: (.+)$/) {
                   2486:         $branch = $1;
3.152     scop     2487:       } elsif (/^keyword substitution: (.+)$/) {
                   2488:         $keywordsubst = $1;
3.120     scop     2489:       } elsif (/^symbolic names:/) {
                   2490:         $state = "tags";
                   2491:         ($branch = $head) =~ s/\.\d+$//
                   2492:           if $branch eq '';
                   2493:         $branch =~ s/(\d+)$/0.$1/;
                   2494:         $symrev{MAIN}  = $branch;
                   2495:         $symrev{HEAD}  = $branch;
                   2496:         $alltags{MAIN} = 1;
                   2497:         $alltags{HEAD} = 1;
                   2498:         push (@filetags, "MAIN", "HEAD");
3.222     scop     2499:       } elsif ($_ =~ LOG_REVSEPR) {
3.120     scop     2500:         $state = "log";
                   2501:         $rev   = '';
                   2502:         $date  = '';
                   2503:         $log   = '';
                   2504:
                   2505:         # Try to reconstruct the relative filename if RCS spits out a full path
                   2506:         $filename =~ s%^\Q$DirName\E/%%;
                   2507:       }
                   2508:       next;
                   2509:     }
                   2510:
                   2511:     if ($state eq "tags") {
                   2512:       if (/^\s+([^:]+):\s+([\d\.]+)\s*$/) {
                   2513:         push (@filetags, $1);
                   2514:         $symrev{$1}  = $2;
                   2515:         $alltags{$1} = 1;
                   2516:         next;
                   2517:       } elsif (/^\S/) {
                   2518:
                   2519:         if (defined($tag)) {
                   2520:           if (defined($symrev{$tag}) || $tag eq "HEAD") {
                   2521:             $revwanted    = $symrev{$tag eq "HEAD" ? "MAIN" : $tag};
                   2522:             ($branch      = $revwanted) =~ s/\b0\.//;
                   2523:             ($branchpoint = $branch)    =~ s/\.?\d+$//;
                   2524:             $revwanted    = '' if ($revwanted ne $branch);
                   2525:           } elsif ($tag ne "HEAD") {
                   2526:             $state = "skip";
                   2527:             next;
                   2528:           }
                   2529:         }
                   2530:
                   2531:         foreach my $tagfound (@filetags) {
                   2532:           $tags{$tagfound} = 1;
                   2533:         }
                   2534:         $state = "head";
                   2535:         goto again;
                   2536:       }
                   2537:     }
                   2538:
                   2539:     if ($state eq "log") {
3.222     scop     2540:       if ($_ =~ LOG_REVSEPR || $_ =~ LOG_FILESEPR) {
3.120     scop     2541:
                   2542:         # End of a log entry.
                   2543:         my $revbranch = $rev;
                   2544:         $revbranch =~ s/\.\d+$//;
                   2545:
                   2546:         if ($revwanted eq '' && $branch ne '' && $branch eq $revbranch
                   2547:             || !defined($tag))
                   2548:         {
                   2549:           $revwanted = $rev;
                   2550:         }
                   2551:
                   2552:         if ($revwanted ne ''
                   2553:             ? $rev eq $revwanted
                   2554:             : $branchpoint ne ''
                   2555:               ? $rev eq $branchpoint
                   2556:               : 0
                   2557:             && ($rev eq $head))
                   2558:         {    # Don't think head is needed here..
3.152     scop     2559:           my @finfo = ($rev, $date, $log, $author, $filename, $keywordsubst);
                   2560:           (my $name = $filename) =~ s%/.*%%;
3.120     scop     2561:           $fileinfo{$name} = [@finfo];
                   2562:           $state = "done" if ($rev eq $revwanted);
                   2563:         }
                   2564:         $rev  = '';
                   2565:         $date = '';
                   2566:         $log  = '';
                   2567:       } elsif ($date eq ''
                   2568:                && m|^date:\s+(\d+)/(\d+)/(\d+)\s+(\d+):(\d+):(\d+);|)
                   2569:       {
3.172     scop     2570:         my $yr    = $1;
                   2571:         $yr      -= 1900 if ($yr > 100); # Damn 2-digit year routines :-)
                   2572:         $date     = timegm($6, $5, $4, $3, $2 - 1, $yr);
3.120     scop     2573:         ($author) = /author: ([^;]+)/;
3.172     scop     2574:         $state    = 'log';
                   2575:         $log      = '';
3.120     scop     2576:         next;
                   2577:       } elsif ($rev eq '' && /^revision (\d+(?:\.\d+)+).*$/) {
                   2578:         $rev = $1;    # .*$ eats up the locker(lockers?) info, if any
                   2579:         next;
                   2580:       } else {
                   2581:         $log .= $_;
                   2582:       }
                   2583:     }
                   2584:
3.222     scop     2585:     if ($_ =~ LOG_FILESEPR) {
3.120     scop     2586:       $state = "start";
                   2587:       next;
                   2588:     }
                   2589:   }
                   2590:
3.139     scop     2591:   my $linesread = $. || 0;
                   2592:   close($fh);
                   2593:
                   2594:   if ($linesread == 0) {
3.137     scop     2595:     fatal('500 Internal Error',
3.230     scop     2596:           'Failed to spawn GNU rlog on <em>"%s"</em>.<br /><br />Did you set the <b><code>@command_path</code></b> in your configuration file correctly? (Currently: "<code>%s</code>")',
                   2597:           htmlquote(join(', ', @files)), join(':', @command_path));
3.120     scop     2598:   }
3.150     scop     2599:
                   2600:   return @unreadable;
3.120     scop     2601: }
                   2602:
3.175     scop     2603:
3.120     scop     2604: sub readLog($;$)
                   2605: {
                   2606:   my ($fullname, $revision) = @_;
                   2607:   my ($symnames, $head, $rev, $br, $brp, $branch, $branchrev);
                   2608:
                   2609:   undef %symrev;
                   2610:   undef %revsym;
                   2611:   undef @allrevisions;
                   2612:   undef %date;
                   2613:   undef %author;
                   2614:   undef %state;
                   2615:   undef %difflines;
                   2616:   undef %log;
3.152     scop     2617:   $keywordsubstitution = '';
3.120     scop     2618:
3.175     scop     2619:   my $fh = do { local (*FH); };
3.120     scop     2620:   if (!open($fh, "-|")) {    # child
3.275     scop     2621:     openOutputFilter();
                   2622:     $revision = defined($revision) ? "-r$revision" : '';
                   2623:     if ($revision =~ /\./) {
                   2624:       # Normal revision, not a branch/tag name.
3.120     scop     2625:       exec($CMD{rlog}, $revision, $fullname) or exit -1;
                   2626:     } else {
                   2627:       exec($CMD{rlog}, $fullname) or exit -1;
                   2628:     }
                   2629:   }
                   2630:
3.217     scop     2631:   my $curbranch = undef;
3.120     scop     2632:   while (<$fh>) {
                   2633:     if ($symnames) {
                   2634:       if (/^\s+([^:]+):\s+([\d\.]+)/) {
                   2635:         $symrev{$1} = $2;
3.152     scop     2636:         next;
3.120     scop     2637:       } else {
                   2638:         $symnames = 0;
                   2639:       }
3.152     scop     2640:     }
                   2641:     if (/^head:\s+([\d\.]+)/) {
3.120     scop     2642:       $head = $1;
                   2643:     } elsif (/^branch:\s+([\d\.]+)/) {
                   2644:       $curbranch = $1;
                   2645:     } elsif (/^symbolic names/) {
                   2646:       $symnames = 1;
3.152     scop     2647:     } elsif (/^keyword substitution: (.+)$/) {
                   2648:       $keywordsubstitution = $1;
3.120     scop     2649:     } elsif (/^-----/) {
                   2650:       last;
                   2651:     }
                   2652:   }
                   2653:   ($curbranch = $head) =~ s/\.\d+$// if (!defined($curbranch));
                   2654:
                   2655:   # each log entry is of the form:
                   2656:   # ----------------------------
                   2657:   # revision 3.7.1.1
                   2658:   # date: 1995/11/29 22:15:52;  author: fenner;  state: Exp;  lines: +5 -3
                   2659:   # log info
                   2660:   # ----------------------------
                   2661:
                   2662:   # For a locked revision, the first line after the separator
                   2663:   # becomes smth like
3.149     scop     2664:   # revision 9.19       locked by: vassilii;
3.120     scop     2665:
                   2666:   logentry:
                   2667:
3.222     scop     2668:   while ($_ !~ LOG_FILESEPR) {
3.120     scop     2669:     $_ = <$fh>;
                   2670:     last logentry if (!defined($_));    # EOF
                   2671:     if (/^revision (\d+(?:\.\d+)+)/) {
                   2672:       $rev = $1;
3.261     scop     2673:       unshift(@allrevisions, $rev);
3.222     scop     2674:     } elsif ($_ =~ LOG_FILESEPR || $_ =~ LOG_REVSEPR) {
3.120     scop     2675:       next logentry;
                   2676:     } else {
                   2677:
                   2678:       # The rlog output is syntactically ambiguous.  We must
                   2679:       # have guessed wrong about where the end of the last log
                   2680:       # message was.
                   2681:       # Since this is likely to happen when people put rlog output
                   2682:       # in their commit messages, don't even bother keeping
                   2683:       # these lines since we don't know what revision they go with
                   2684:       # any more.
                   2685:       next logentry;
                   2686:     }
                   2687:     $_ = <$fh>;
                   2688:     if (
                   2689:       m|^date:\s+(\d+)/(\d+)/(\d+)\s+(\d+):(\d+):(\d+);\s+author:\s+(\S+);\s+state:\s+(\S+);\s+(lines:\s+([0-9\s+-]+))?|
                   2690:       )
                   2691:     {
3.172     scop     2692:       my $yr           = $1;
                   2693:       $yr             -= 1900 if ($yr > 100); # Damn 2-digit year routines :-)
                   2694:       $date{$rev}      = timegm($6, $5, $4, $3, $2 - 1, $yr);
3.120     scop     2695:       $author{$rev}    = $7;
                   2696:       $state{$rev}     = $8;
                   2697:       $difflines{$rev} = $10;
                   2698:     } else {
                   2699:       fatal("500 Internal Error", 'Error parsing RCS output: %s', $_);
                   2700:     }
                   2701:
                   2702:   line:
                   2703:     while (<$fh>) {
                   2704:       next line if (/^branches:\s/);
3.222     scop     2705:       last line if ($_ =~ LOG_FILESEPR || $_ =~ LOG_REVSEPR);
3.120     scop     2706:       $log{$rev} .= $_;
                   2707:     }
                   2708:   }
                   2709:   close($fh);
                   2710:
                   2711:   @revorder = reverse sort { revcmp($a, $b) } @allrevisions;
                   2712:
                   2713:   #
                   2714:   # HEAD is an artificial tag which is simply the highest tag number on the main
                   2715:   # branch, unless there is a branch tag in the RCS file in which case it's the
                   2716:   # highest revision on that branch.  Find it by looking through @revorder; it
                   2717:   # is the first commit listed on the appropriate branch.
                   2718:   # This is not neccesary the same revision as marked as head in the RCS file.
                   2719:   my $headrev = $curbranch || "1";
3.254     scop     2720:   ($symrev{MAIN} = $headrev) =~ s/(\d+)$/0.$1/;
3.120     scop     2721:
                   2722:   foreach $rev (@revorder) {
                   2723:     if ($rev =~ /^(\S*)\.\d+$/ && $headrev eq $1) {
3.254     scop     2724:       $symrev{HEAD} = $rev;
3.120     scop     2725:       last;
                   2726:     }
                   2727:   }
3.254     scop     2728:   ($symrev{HEAD} = $headrev) =~ s/\.\d+$// unless defined($symrev{HEAD});
3.120     scop     2729:
                   2730:   #
                   2731:   # Now that we know all of the revision numbers, we can associate
                   2732:   # absolute revision numbers with all of the symbolic names, and
                   2733:   # pass them to the form so that the same association doesn't have
                   2734:   # to be built then.
                   2735:   #
                   2736:   undef @branchnames;
                   2737:   undef %branchpoint;
                   2738:   undef $sel;
                   2739:
                   2740:   foreach (reverse sort keys %symrev) {
                   2741:     $rev = $symrev{$_};
                   2742:     if ($rev =~ /^((.*)\.)?\b0\.(\d+)$/) {
                   2743:       push (@branchnames, $_);
                   2744:
                   2745:       #
                   2746:       # A revision number of A.B.0.D really translates into
                   2747:       # "the highest current revision on branch A.B.D".
                   2748:       #
                   2749:       # If there is no branch A.B.D, then it translates into
                   2750:       # the head A.B .
                   2751:       #
                   2752:       # This reasoning also applies to the main branch A.B,
                   2753:       # with the branch number 0.A, with the exception that
                   2754:       # it has no head to translate to if there is nothing on
                   2755:       # the branch, but I guess this can never happen?
                   2756:       #
                   2757:       # (the code below gracefully forgets about the branch
                   2758:       # if it should happen)
                   2759:       #
                   2760:       $head = defined($2) ? $2 : "";
                   2761:       $branch = $3;
                   2762:       $branchrev = $head . ($head ne "" ? "." : "") . $branch;
3.222     scop     2763:       $rev = $head;
                   2764:
                   2765:       my $regex = '^' . quotemeta($branchrev) . '\b';
                   2766:       $regex = qr/$regex/;
3.120     scop     2767:
                   2768:       foreach my $r (@revorder) {
3.222     scop     2769:         if ($r =~ $regex) {
3.120     scop     2770:           $rev = $branchrev;
                   2771:           last;
                   2772:         }
                   2773:       }
                   2774:       next if ($rev eq "");
                   2775:
                   2776:       if ($rev ne $head && $head ne "") {
3.131     scop     2777:         $branchpoint{$head} .= ', ' if ($branchpoint{$head});
3.120     scop     2778:         $branchpoint{$head} .= $_;
                   2779:       }
                   2780:     }
                   2781:     $revsym{$rev} .= ", " if ($revsym{$rev});
                   2782:     $revsym{$rev} .= $_;
3.136     scop     2783:     $sel .= sprintf("<option value=\"%s:%s\">%s</option>\n",
                   2784:                     htmlquote($rev), (htmlquote($_)) x 2);
3.120     scop     2785:   }
                   2786:
                   2787:   my ($onlyonbranch, $onlybranchpoint);
3.254     scop     2788:   if ($onlyonbranch = $input{only_with_tag}) {
3.120     scop     2789:     $onlyonbranch = $symrev{$onlyonbranch};
3.275     scop     2790:     if ($onlyonbranch && $onlyonbranch =~ s/\b0\.//) {
3.120     scop     2791:       ($onlybranchpoint = $onlyonbranch) =~ s/\.\d+$//;
                   2792:     } else {
                   2793:       $onlybranchpoint = $onlyonbranch;
                   2794:     }
                   2795:
                   2796:     if (!defined($onlyonbranch) || $onlybranchpoint eq "") {
3.275     scop     2797:       fatal("404 Tag not found", 'Tag "<code>%s</code>" is not defined.',
3.254     scop     2798:             $input{only_with_tag});
3.120     scop     2799:     }
                   2800:   }
                   2801:
                   2802:   undef @revisions;
                   2803:
                   2804:   foreach (@allrevisions) {
                   2805:     ($br  = $_)  =~ s/\.\d+$//;
                   2806:     ($brp = $br) =~ s/\.\d+$//;
                   2807:     next if ($onlyonbranch
                   2808:              && $br ne $onlyonbranch
                   2809:              && $_  ne $onlybranchpoint);
3.261     scop     2810:     unshift(@revisions, $_);
3.120     scop     2811:   }
                   2812:
                   2813:   if ($logsort eq "date") {
                   2814:
                   2815:     # Sort the revisions in commit order an secondary sort on revision
                   2816:     # (secondary sort needed for imported sources, or the first main
                   2817:     # revision gets before the same revision on the 1.1.1 branch)
                   2818:     @revdisplayorder =
                   2819:       sort { $date{$b} <=> $date{$a} || -revcmp($a, $b) } @revisions;
                   2820:   } elsif ($logsort eq "rev") {
                   2821:
                   2822:     # Sort the revisions in revision order, highest first
                   2823:     @revdisplayorder = reverse sort { revcmp($a, $b) } @revisions;
                   2824:   } else {
                   2825:
                   2826:     # No sorting. Present in the same order as rlog / cvs log
                   2827:     @revdisplayorder = @revisions;
                   2828:   }
                   2829:
3.217     scop     2830:   return $curbranch;
3.120     scop     2831: }
                   2832:
3.175     scop     2833:
3.225     scop     2834: sub getDiffLinks($$$)
3.120     scop     2835: {
3.225     scop     2836:   my ($url, $mimetype, $isbin) = @_;
                   2837:
                   2838:   my @links = ();
                   2839:   if (!$isbin) { # Offer ordinary diff only for non-binary files.
                   2840:     push(@links, &link('preferred', $url));
                   2841:     for my $difftype ($DIFFTYPES{$defaultDiffType}{colored} ? qw(u) : qw(h)) {
                   2842:       my $f = $difftype eq $defaultDiffType ? '' : $difftype;
                   2843:       push(@links,
                   2844:            &link(htmlquote(lc($DIFFTYPES{$difftype}{descr})), "$url;f=$f"));
                   2845:     }
                   2846:   }
                   2847:   if (my $extdiffs = $DIFF_COMMANDS{lc($mimetype)}) {
                   2848:     for my $i (0 .. scalar(@$extdiffs)-1) {
                   2849:       my $extdiff = $extdiffs->[$i];
                   2850:       push(@links, &link(htmlquote($extdiff->{name}), "$url;f=ext$i"))
                   2851:         if ($extdiff->{cmd} && $extdiff->{name});
                   2852:     }
3.120     scop     2853:   }
3.225     scop     2854:   return @links;
3.120     scop     2855: }
                   2856:
3.175     scop     2857:
3.219     scop     2858: sub printLog($$$;$$)
3.120     scop     2859: {
3.219     scop     2860:   # inlogview: 1 if in log view, otherwise in markup view.
                   2861:   ($_, my $mimetype, my $isbin, my $inlogview, my $isSelected) = @_;
3.175     scop     2862:   (my $br  = $_)  =~ s/\.\d+$//;
                   2863:   (my $brp = $br) =~ s/\.?\d+$//;
3.120     scop     2864:
3.219     scop     2865:   print "<a name=\"rev$_\"></a>";
                   2866:   if (defined($revsym{$_})) {
3.261     scop     2867:     foreach my $sym (split(", ", $revsym{$_})) {
3.271     scop     2868:       print '<a name="', htmlquote($sym), '"></a>';
3.120     scop     2869:     }
3.219     scop     2870:   }
                   2871:   if ($revsym{$br} && !defined($nameprinted{$br})) {
3.261     scop     2872:     foreach my $sym (split(", ", $revsym{$br})) {
3.271     scop     2873:       print '<a name="', htmlquote($sym), '"></a>';
3.120     scop     2874:     }
3.219     scop     2875:     $nameprinted{$br} = 1;
                   2876:   }
3.120     scop     2877:
3.271     scop     2878:   print "\n Revision <b>$_</b>";
3.219     scop     2879:   if (/^1\.1\.1\.\d+$/) {
                   2880:     print " <i>(vendor branch)</i>";
                   2881:   }
3.261     scop     2882:
3.271     scop     2883:   (my $filename = $where) =~ s|^.*/||;
                   2884:   my $fileurl   = uri_escape($filename);
                   2885:   undef $filename;
                   2886:
3.261     scop     2887:   my $isDead = ($state{$_} eq 'dead');
3.219     scop     2888:   if (!$isDead) {
3.261     scop     2889:
3.220     scop     2890:     print ': ', download_link($fileurl, $_, 'download', $mimetype);
3.219     scop     2891:
                   2892:     my @vlinks = ();
                   2893:     push(@vlinks, display_link($fileurl, $_, 'text', 'text/plain'))
                   2894:       unless $isbin;
                   2895:     push(@vlinks, display_link($fileurl, $_, 'markup', 'text/x-cvsweb-markup'))
                   2896:       if ($allow_markup && $inlogview && (!$isbin || viewable($mimetype)));
3.268     scop     2897:     if (!$isbin && $allow_annotate) {
3.219     scop     2898:       push(@vlinks,
                   2899:            &link('annotated',
3.271     scop     2900:                  sprintf('%s?annotate=%s%s', $fileurl, $_, $barequery)));
3.219     scop     2901:     }
                   2902:     print ' - view: ', join(', ', @vlinks) if @vlinks;
                   2903:     undef @vlinks;
                   2904:
3.243     scop     2905:     if (!$isbin && $allow_version_select) {
                   2906:       print ' - ';
                   2907:       if ($isSelected) {
                   2908:         print '<b>[selected&nbsp;for&nbsp;diffs]</b>';
                   2909:       } else {
                   2910:         print &link('select&nbsp;for&nbsp;diffs',
                   2911:                     sprintf('%s?r1=%s%s#rev%s',
3.271     scop     2912:                             $fileurl, $_, $barequery, $_));
3.120     scop     2913:       }
                   2914:     }
3.243     scop     2915:     print ' - ', graph_link('', 'revision graph')
                   2916:       if (!$inlogview && $allow_cvsgraph);
3.120     scop     2917:   }
3.219     scop     2918:   print "<br />\n";
3.120     scop     2919:
3.219     scop     2920:   print '<i>';
4.3       schwarze 2921:   if (@mytz) {
3.120     scop     2922:     my ($est) = $mytz[(localtime($date{$_}))[8]];
3.219     scop     2923:     print scalar localtime($date{$_}), " $est</i> (";
3.120     scop     2924:   } else {
3.219     scop     2925:     print scalar gmtime($date{$_}), " UTC</i> (";
3.120     scop     2926:   }
3.136     scop     2927:   print readableTime(time() - $date{$_}, 1), ' ago)';
3.208     scop     2928:   print ' by <i>', htmlquote($author{$_}), "</i><br />\n";
3.136     scop     2929:
3.243     scop     2930:   printf("Branches: %s<br />\n", link_tags($revsym{$br})) if $revsym{$br};
                   2931:   printf("CVS tags: %s<br />\n", link_tags($revsym{$_}))  if $revsym{$_};
                   2932:   printf("Branch point for: %s<br />\n", link_tags($branchpoint{$_}))
                   2933:     if $branchpoint{$_};
3.120     scop     2934:
                   2935:   # Find the previous revision
3.175     scop     2936:   my $prev;
3.261     scop     2937:   my @prevrev = split(/\./, $_);
3.120     scop     2938:   do {
                   2939:     if (--$prevrev[$#prevrev] <= 0) {
                   2940:
                   2941:       # If it was X.Y.Z.1, just make it X.Y
                   2942:       pop (@prevrev);
                   2943:       pop (@prevrev);
                   2944:     }
                   2945:     $prev = join (".", @prevrev);
                   2946:   } until (defined($date{$prev}) || $prev eq "");
                   2947:
                   2948:   if ($isDead) {
3.219     scop     2949:     print "<b><i>FILE REMOVED</i></b><br />\n";
3.243     scop     2950:   } else {
3.120     scop     2951:     my %diffrev = ();
                   2952:     $diffrev{$_} = 1;
                   2953:     $diffrev{""} = 1;
3.293     scop     2954:     my $diff = 'Diff to:';
3.219     scop     2955:     my $printed = 0;
3.120     scop     2956:
                   2957:     #
                   2958:     # Offer diff to previous revision
                   2959:     if ($prev) {
                   2960:       $diffrev{$prev} = 1;
                   2961:       my $url =
3.271     scop     2962:         sprintf('%s.diff?r1=%s;r2=%s%s', $fileurl, $prev, $_, $barequery);
3.225     scop     2963:       if (my @dlinks = getDiffLinks($url, $mimetype, $isbin)) {
3.293     scop     2964:         print $diff, ' previous ', $prev, ': ', join(', ', @dlinks);
                   2965:         $diff = ';'; $printed = 1;
3.225     scop     2966:       }
3.120     scop     2967:     }
                   2968:
                   2969:     #
                   2970:     # Plus, if it's on a branch, and it's not a vendor branch,
                   2971:     # offer a diff with the branch point.
                   2972:     if ($revsym{$brp}
                   2973:       && !/^1\.1\.1\.\d+$/
                   2974:       && !defined($diffrev{$brp}))
                   2975:     {
                   2976:       my $url =
3.271     scop     2977:         sprintf('%s.diff?r1=%s;r2=%s%s', $fileurl, $brp, $_, $barequery);
3.225     scop     2978:       if (my @dlinks = getDiffLinks($url, $mimetype, $isbin)) {
3.293     scop     2979:         print $diff, ' branchpoint ', $brp, ': ', join(', ', @dlinks);
                   2980:         $diff = ';'; $printed = 1;
3.225     scop     2981:       }
3.120     scop     2982:     }
                   2983:
                   2984:     #
                   2985:     # Plus, if it's on a branch, and it's not a vendor branch,
                   2986:     # offer to diff with the next revision of the higher branch.
                   2987:     # (e.g. change gets committed and then brought
                   2988:     # over to -stable)
                   2989:     if (/^\d+\.\d+\.\d+/ && !/^1\.1\.1\.\d+$/) {
                   2990:       my ($i, $nextmain);
                   2991:
                   2992:       for ($i = 0; $i < $#revorder && $revorder[$i] ne $_; $i++) {
                   2993:       }
3.261     scop     2994:       my @tmp2 = split(/\./, $_);
3.120     scop     2995:       for ($nextmain = ""; $i > 0; $i--) {
                   2996:         my $next = $revorder[$i - 1];
3.261     scop     2997:         my @tmp1 = split(/\./, $next);
3.120     scop     2998:
                   2999:         if (@tmp1 < @tmp2) {
                   3000:           $nextmain = $next;
                   3001:           last;
                   3002:         }
                   3003:
                   3004:         # Only the highest version on a branch should have
3.293     scop     3005:         # a diff for the "next MAIN".
3.120     scop     3006:         last
                   3007:           if (@tmp1 - 1 <= @tmp2
                   3008:           && join (".", @tmp1[0 .. $#tmp1 - 1]) eq
                   3009:           join (".", @tmp2[0 .. $#tmp1 - 1]));
                   3010:       }
                   3011:
                   3012:       if (!defined($diffrev{$nextmain})) {
                   3013:         $diffrev{$nextmain} = 1;
3.203     scop     3014:         my $url = sprintf('%s.diff?r1=%s;r2=%s%s',
3.271     scop     3015:           $fileurl, $nextmain, $_, $barequery);
3.225     scop     3016:         if (my @dlinks = getDiffLinks($url, $mimetype, $isbin)) {
3.293     scop     3017:           print $diff, ' next MAIN ', $nextmain, ': ', join(', ', @dlinks);
                   3018:           $diff = ';'; $printed = 1;
3.225     scop     3019:         }
3.120     scop     3020:       }
                   3021:     }
                   3022:
                   3023:     # Plus if user has selected only r1, then present a link
                   3024:     # to make a diff to that revision
3.254     scop     3025:     if (defined($input{r1}) && !defined($diffrev{$input{r1}})) {
                   3026:       $diffrev{$input{r1}} = 1;
3.203     scop     3027:       my $url = sprintf('%s.diff?r1=%s;r2=%s%s',
3.271     scop     3028:         $fileurl, $input{r1}, $_, $barequery);
3.225     scop     3029:       if (my @dlinks = getDiffLinks($url, $mimetype, $isbin)) {
3.293     scop     3030:         print $diff, ' selected ', $input{r1}, ': ', join(', ', @dlinks);
                   3031:         $diff = ';'; $printed = 1;
3.225     scop     3032:       }
3.120     scop     3033:     }
                   3034:
3.219     scop     3035:     print "<br />\n" if $printed;
                   3036:   }
                   3037:
                   3038:   if ($prev ne "" && $difflines{$_}) {
                   3039:     printf "Changes since revision %s: %s lines<br />\n",
                   3040:       htmlquote($prev), htmlquote($difflines{$_});
3.120     scop     3041:   }
3.189     scop     3042:
3.219     scop     3043:   print "<pre class=\"log\">\n";
3.120     scop     3044:   print &htmlify($log{$_}, $allow_log_extra);
                   3045:   print "</pre>\n";
                   3046: }
                   3047:
3.175     scop     3048:
3.132     scop     3049: #
                   3050: # Generates the HTML view for CvsGraph.
                   3051: #
3.170     scop     3052: sub doGraphView()
3.132     scop     3053: {
                   3054:   (my $pathname = $where) =~ s|[^/]*$||;
                   3055:   (my $filename = $where) =~ s|^.*/||;
                   3056:
3.170     scop     3057:   navigateHeader($scriptwhere, $pathname, $filename, undef, 'graph');
3.132     scop     3058:
3.146     scop     3059:   my $title = 'Revision graph of ' . htmlquote($pathname . $filename);
3.132     scop     3060:   my $mapname = 'CvsGraphMap';
                   3061:
3.170     scop     3062:   printf(<<EOF, $title, $mapname, $cvstree, $title);
3.146     scop     3063: <h3 style="text-align: center">%s</h3>
3.219     scop     3064: <div style="text-align: center"><img border="0" usemap="#%s" src="?cvsroot=%s;graph=1;makeimage=1" alt="%s" />
3.146     scop     3065: EOF
3.132     scop     3066:
3.255     scop     3067:   # Remove any pre-existing tag/branch names from branch links.
3.271     scop     3068:   (my $notag_query = $barequery) =~ s/;+only_with_tag=.*?(?=;|$)//g;
3.255     scop     3069:
3.135     scop     3070:   my @graph_cmd =
                   3071:     ($CMD{cvsgraph},
                   3072:      '-r', $cvsroot,
3.249     scop     3073:      '-m', $pathname,
3.135     scop     3074:      '-i',
                   3075:      '-M', $mapname,
3.208     scop     3076:      '-x', 'x',
3.271     scop     3077:      "-Omap_branch_href=\"href=\\\"./?only_with_tag=%(%t%)$notag_query\\\"\"",
                   3078:      "-Omap_rev_href=\"href=\\\"?rev=%(%R%)$barequery\\\"\"",
3.146     scop     3079:      "-Omap_diff_href=\"href=\\\"%(%F%).diff" .
3.271     scop     3080:      "?r1=%(%P%);r2=%(%R%)$barequery\\\"\"",
3.135     scop     3081:      );
3.132     scop     3082:   push(@graph_cmd, '-c', $cvsgraph_config) if $cvsgraph_config;
3.249     scop     3083:   push(@graph_cmd, $filename . ',v');
3.132     scop     3084:
3.174     scop     3085:   local *CVSGRAPH_OUT;
                   3086:   my ($h, $err) =
3.229     scop     3087:     startproc(\@graph_cmd, \"", '>pipe', \*CVSGRAPH_OUT);
3.174     scop     3088:   fatal('500 Internal Error', $err) unless $h;
3.242     scop     3089:
                   3090:   # Browser compatibility kludge: many browsers do not support client side
                   3091:   # image maps where the <map> element contains only the id attribute.  Let's
                   3092:   # add the corresponding name attribute to it on the fly.
                   3093:   while (<CVSGRAPH_OUT>) {
                   3094:     s/(<map\s+id="([^"]+)")\s*>/$1 name="$2">/;
                   3095:     print;
3.132     scop     3096:   }
3.242     scop     3097:
3.229     scop     3098:   $h->finish();
3.219     scop     3099:   print "</div>\n";
3.132     scop     3100:
                   3101:   html_footer();
                   3102: }
                   3103:
3.175     scop     3104:
3.132     scop     3105: #
                   3106: # Generates a graph using CvsGraph.
                   3107: #
3.170     scop     3108: sub doGraph()
3.132     scop     3109: {
                   3110:   (my $pathname = $where) =~ s|[^/]*$||;
                   3111:   (my $filename = $where) =~ s|^.*/||;
                   3112:
                   3113:   http_header('image/png');
                   3114:
3.249     scop     3115:   my @graph_cmd = ($CMD{cvsgraph}, '-r', $cvsroot, '-m', $pathname);
3.132     scop     3116:   push(@graph_cmd, '-c', $cvsgraph_config) if $cvsgraph_config;
3.249     scop     3117:   push(@graph_cmd, $filename . ',v');
3.132     scop     3118:
3.174     scop     3119:   local *CVSGRAPH_OUT;
                   3120:   my ($h, $err) =
3.229     scop     3121:     startproc(\@graph_cmd, \"", '>pipe', \*CVSGRAPH_OUT);
3.174     scop     3122:   fatal('500 Internal Error', $err) unless $h;
3.132     scop     3123:   {
                   3124:     local $/ = undef;
                   3125:     binmode(\*STDOUT);
3.174     scop     3126:     print <CVSGRAPH_OUT>;
3.132     scop     3127:   }
3.229     scop     3128:   $h->finish();
3.132     scop     3129: }
                   3130:
                   3131:
3.120     scop     3132: sub doLog($)
                   3133: {
                   3134:   my ($fullname) = @_;
                   3135:
3.217     scop     3136:   my $curbranch = readLog($fullname);
3.120     scop     3137:
                   3138:   html_header("CVS log for $where");
3.144     scop     3139:
3.271     scop     3140:   my $upwhere = $where;
3.144     scop     3141:   (my $filename = $where) =~ s|^.*/||;
3.271     scop     3142:   my $backurl = "./$query#" . uri_escape($filename);
                   3143:   if ($where =~ m|^(.*?)((?<=/)Attic/)?[^/]+$|) {
                   3144:     $upwhere = $1;
                   3145:     $backurl = ".$backurl" if $2; # skip over Attic
                   3146:   }
3.144     scop     3147:
3.219     scop     3148:   my $isbin = $keywordsubstitution =~ /b/;
                   3149:   my $mimetype = getMimeType($filename, $isbin);
                   3150:
3.120     scop     3151:   print "<p>\n ";
3.271     scop     3152:   print &link($backicon, $backurl), " <b>Up to ",
3.120     scop     3153:     &clickablePath($upwhere, 1), "</b>\n</p>\n";
                   3154:   print "<p>\n ";
                   3155:   print &link('Request diff between arbitrary revisions', '#diff');
3.268     scop     3156:   print ' - ', &graph_link('', 'Display revisions graphically')
                   3157:     if $allow_cvsgraph;
3.258     scop     3158:   if ($cvshistory_url) {
                   3159:     (my $d = $upwhere) =~ s|/+$||;
                   3160:     print ' - ', history_link($d, $filename);
                   3161:   }
3.208     scop     3162:   print "\n</p>\n<hr />\n";
3.120     scop     3163:
                   3164:   print "<p>\n";
3.152     scop     3165:
3.219     scop     3166:   my $explain = $isbin ? ' (i.e.: CVS considers this a binary file)' : '';
3.208     scop     3167:   print "Keyword substitution: $keywordsubstitution$explain<br />\n";
3.217     scop     3168:   if ($curbranch) {
                   3169:     print "Default branch: ", ($revsym{$curbranch} || $curbranch);
                   3170:   } else {
                   3171:     print "No default branch";
                   3172:   }
3.208     scop     3173:   print "<br />\n";
3.120     scop     3174:
3.208     scop     3175:   print 'Current tag: ', htmlquote($input{only_with_tag}), "<br />\n"
3.153     scop     3176:     if $input{only_with_tag};
3.120     scop     3177:   print "</p>\n";
                   3178:
                   3179:   undef %nameprinted;
                   3180:
3.182     scop     3181:   for my $r (@revdisplayorder) {
3.208     scop     3182:     print "<hr />\n";
3.182     scop     3183:     my $sel = (defined($input{r1}) && $input{r1} eq $r);
                   3184:     print "<div class=\"diff-selected\">\n" if $sel;
3.219     scop     3185:     printLog($r, $mimetype, $isbin, 1, $sel);
3.182     scop     3186:     print "</div>\n" if $sel;
3.120     scop     3187:   }
                   3188:
3.144     scop     3189:   printf(<<EOF, $scriptwhere);
3.208     scop     3190: <hr />
                   3191: <form method="get" action="%s.diff" id="diff_select">
3.189     scop     3192: <fieldset>
                   3193: <legend>Diff request</legend>
3.144     scop     3194: <p>
                   3195:  <a name="diff">
3.189     scop     3196:   This form allows you to request diffs between any two revisions of a file.
3.144     scop     3197:   You may select a symbolic revision name using the selection box or you may
                   3198:   type in a numeric name using the type-in text box.
                   3199:  </a>
                   3200: </p>
                   3201: EOF
3.120     scop     3202:
                   3203:   foreach (@stickyvars) {
3.208     scop     3204:     printf("<input type=\"hidden\" name=\"%s\" value=\"%s\" />\n",
3.154     scop     3205:            $_, htmlquote($input{$_}))
3.194     scop     3206:       if (defined($input{$_}) &&
                   3207:           (!defined($DEFAULTVALUE{$_}) || $input{$_} ne $DEFAULTVALUE{$_}));
3.120     scop     3208:   }
3.144     scop     3209:
                   3210:   print <<EOF;
3.189     scop     3211: <table summary="Diff between arbitrary revisions">
3.144     scop     3212: <tr>
3.189     scop     3213: <td class="opt-label">
                   3214: <label for="r1" accesskey="1">Diffs between</label>
                   3215: </td>
                   3216: <td class="opt-value">
3.144     scop     3217: <select id="r1" name="r1">
3.208     scop     3218: <option value="text" selected="selected">Use Text Field</option>
3.144     scop     3219: EOF
                   3220:   print $sel, "</select>\n";
                   3221:
                   3222:   my $diffrev = defined($input{r1}) ?
                   3223:     $input{r1} : $revdisplayorder[$#revdisplayorder];
                   3224:
                   3225:   printf(<<EOF, $inputTextSize, $diffrev);
3.208     scop     3226: <input type="text" size="%s" name="tr1" value="%s" onchange="this.form.r1.selectedIndex=0" />
3.144     scop     3227: </td>
3.189     scop     3228: <td></td>
                   3229: </tr>
                   3230: <tr>
                   3231: <td class="opt-label">
                   3232: <label for="r2" accesskey="2">and</label>
                   3233: </td>
                   3234: <td class="opt-value">
3.144     scop     3235: <select id="r2" name="r2">
3.208     scop     3236: <option value="text" selected="selected">Use Text Field</option>
3.144     scop     3237: EOF
                   3238:   print $sel, "</select>\n";
                   3239:
                   3240:   $diffrev = defined($input{r2}) ? $input{r2} : $revdisplayorder[0];
                   3241:
                   3242:   printf(<<EOF, $inputTextSize, $diffrev, $scriptwhere);
3.208     scop     3243: <input type="text" size="%s" name="tr2" value="%s" onchange="this.form.r2.selectedIndex=0" />
3.144     scop     3244: </td>
3.208     scop     3245: <td><input type="submit" value="Get Diffs" accesskey="G" /></td>
3.144     scop     3246: </tr>
                   3247: </table>
3.189     scop     3248: </fieldset>
3.144     scop     3249: </form>
                   3250: <form method="get" action="%s">
3.189     scop     3251: <fieldset>
                   3252: <legend>Log view options</legend>
                   3253: <table summary="Log view options">
3.144     scop     3254: <tr>
3.189     scop     3255: <td class="opt-label">
                   3256: <label for="f" accesskey="D">Preferred diff type:</label>
                   3257: </td>
                   3258: <td class="opt-value">
3.144     scop     3259: EOF
3.120     scop     3260:   printDiffSelect($use_java_script);
3.144     scop     3261:   print <<EOF;
3.189     scop     3262: </td>
                   3263: <td></td>
3.144     scop     3264: </tr>
                   3265: EOF
3.120     scop     3266:
                   3267:   if (@branchnames) {
3.144     scop     3268:
                   3269:     printf(<<EOF, $use_java_script ? ' onchange="this.form.submit()"' : '');
                   3270: <tr>
3.189     scop     3271: <td class="opt-label">
3.188     scop     3272: <label for="only_with_tag" accesskey="B">View only branch:</label>
3.189     scop     3273: </td>
                   3274: <td class="opt-value">
                   3275: <a name="branch">
3.144     scop     3276: <select id="only_with_tag" name="only_with_tag"%s>
                   3277: EOF
3.120     scop     3278:
3.193     scop     3279:     my @tmp = ();
                   3280:     my $selfound = 0;
3.120     scop     3281:     foreach (reverse sort @branchnames) {
3.136     scop     3282:       my $selected =
3.254     scop     3283:         (defined($input{only_with_tag}) && $input{only_with_tag} eq $_);
3.193     scop     3284:       $selfound ||= $selected;
                   3285:       push(@tmp, sprintf('<option%s>%s</option>',
3.208     scop     3286:                          $selected ? ' selected="selected"' : '',
3.193     scop     3287:                          htmlquote($_)));
3.120     scop     3288:     }
3.193     scop     3289:     printf("<option value=\"\"%s>Show all branches</option>\n",
3.208     scop     3290:            $selfound ? '' : ' selected="selected"');
3.193     scop     3291:     print join("\n", @tmp);
                   3292:
3.144     scop     3293:     print <<EOF
                   3294: </select>
3.189     scop     3295: </a>
3.144     scop     3296: </td>
                   3297: <td></td>
                   3298: </tr>
                   3299: EOF
3.120     scop     3300:   }
                   3301:
3.144     scop     3302:   print <<EOF;
3.189     scop     3303: <tr>
                   3304: <td class="opt-label">
                   3305: <label for="logsort" accesskey="L">Sort log by:</label>
                   3306: </td>
                   3307: <td>
3.144     scop     3308: EOF
3.120     scop     3309:   printLogSortSelect($use_java_script);
3.144     scop     3310:   print <<EOF;
3.189     scop     3311: </td>
3.208     scop     3312: <td><input type="submit" value="Set" accesskey="S" /></td>
3.189     scop     3313: </tr>
3.144     scop     3314: </table>
                   3315: EOF
3.154     scop     3316:   foreach (@stickyvars) {
                   3317:     next if ($_ eq "f");
                   3318:     next if ($_ eq "only_with_tag");
                   3319:     next if ($_ eq "logsort");
3.296     scop     3320:     printf("<input type=\"hidden\" name=\"%s\" value=\"%s\" />\n",
                   3321:            $_, htmlquote($input{$_}))
3.154     scop     3322:       if (defined($input{$_})
3.194     scop     3323:           && (!defined($DEFAULTVALUE{$_}) || $input{$_} ne $DEFAULTVALUE{$_}));
3.154     scop     3324:   }
3.189     scop     3325:   print "</fieldset>\n</form>\n";
3.120     scop     3326:   html_footer();
                   3327: }
                   3328:
3.175     scop     3329:
3.120     scop     3330: sub flush_diff_rows($$$$)
                   3331: {
                   3332:   my ($leftColRef, $rightColRef, $leftRow, $rightRow) = @_;
                   3333:
3.175     scop     3334:   return unless defined($state);
3.120     scop     3335:
                   3336:   if ($state eq "PreChangeRemove") {    # we just got remove-lines before
3.133     scop     3337:     for (my $j = 0; $j < $leftRow; $j++) {
3.256     scop     3338:       printf(<<EOF, spacedHtmlText(@$leftColRef[$j]));
3.144     scop     3339: <tr>
3.260     scop     3340:  <td class="diff diff-removed">&nbsp;%s</td>
                   3341:  <td class="diff diff-empty">&nbsp;</td>
3.144     scop     3342: </tr>
                   3343: EOF
3.120     scop     3344:     }
                   3345:   } elsif ($state eq "PreChange") {     # state eq "PreChange"
                   3346:                                         # we got removes with subsequent adds
3.222     scop     3347:     if (HAS_EDIFF) {
3.176     scop     3348:       # construct the suffix tree
                   3349:       my $left_diff = join("\n", @$leftColRef[0..$leftRow-1]);
                   3350:       my $right_diff = join("\n", @$rightColRef[0..$rightRow-1]);
                   3351:       my $diff_str = String::Ediff::ediff($left_diff, $right_diff);
                   3352:
                   3353:       my @diff_str = split(/ /, $diff_str);
                   3354:       my $INFINITY = 10000000;
                   3355:       push(@diff_str, ($INFINITY) x 8);
                   3356:       my ($idx, $b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2) =
                   3357:         (0, @diff_str[0..7]);
                   3358:       my ($l_cul, $r_cul) = (0, 0);
                   3359:       my ($ldx, $rdx) = (0, 0);
                   3360:       my (@left_html, @right_html);
                   3361:       for (my $j = 0; $j < $leftRow; $j++) {
                   3362:         my $line_len = length(@$leftColRef[$j]);
                   3363:         my $line = @$leftColRef[$j];
                   3364:         $l_cul += length($line) + 1; # includes "\n"
                   3365:         my $l_culx = $l_cul - 1; # not includes "\n"
                   3366:         if ($j < $lb1) {
                   3367:           $line = spacedHtmlText($line);
3.260     scop     3368:           push(@left_html, "<td class=\"diff diff-changed\">$line</td>");
3.176     scop     3369:         } elsif ($lb1 == $j) {
                   3370:           my $html_line;
                   3371:           while ($lb1 == $j) {
                   3372:             my $begin_char = $l_culx - $b1;
                   3373:
                   3374:             $line =~ /^(.*)(.{$begin_char})$/;
                   3375:             $html_line .= spacedHtmlText($1) .
3.260     scop     3376:               '</span><span class="diff diff-unchanged">';
3.176     scop     3377:             $line = $2;
                   3378:             last if ($j != $le1);
                   3379:
                   3380:             my $end_char = $l_culx - $e1;
                   3381:             $line =~ /^(.*)(.{$end_char})$/;
                   3382:             $html_line .= spacedHtmlText($1) .
3.260     scop     3383:               '</span><span class="diff diff-changed">';
3.176     scop     3384:             $line = $2;
                   3385:
                   3386:             $idx++;
                   3387:             my ($tb1, $te1, $tlb1, $tle1, $tb2, $te2, $tlb2, $tle2) =
                   3388:               ($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2);
                   3389:             ($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2) =
                   3390:               @diff_str[$idx*8..($idx+1)*8-1];
                   3391:             $lb1 = $INFINITY if ($lb1 < 0);
                   3392:             $lb2 = $INFINITY if ($lb2 < 0);
                   3393:             $le1 = $INFINITY if ($le1 < 0);
                   3394:             $le2 = $INFINITY if ($le2 < 0);
                   3395:             if ($te1 > $b1) {
                   3396:               ($b1, $lb1) = ($te1, $tle1);
                   3397:             }
                   3398:             if ($te2 > $b2) {
                   3399:               ($b2, $lb2) = ($te2, $tle2);
                   3400:             }
                   3401:           }
                   3402:           push(@left_html,
3.260     scop     3403:                sprintf('<td><span class="diff diff-changed">%s%s</span></td>',
                   3404:                        $html_line, spacedHtmlText($line)));
3.176     scop     3405:         } elsif ($le1 == $j) {
                   3406:           my $html_line;
                   3407:           while ($le1 == $j) {
                   3408:             my $end_char = $l_culx - $e1;
                   3409:             $line =~ /^(.*)(.{$end_char})$/;
                   3410:             $html_line .= spacedHtmlText($1) .
3.260     scop     3411:               '</span><span class="diff diff-changed">';
3.176     scop     3412:             $line = $2;
                   3413:
                   3414:             $idx++;
                   3415:             my ($tb1, $te1, $tlb1, $tle1, $tb2, $te2, $tlb2, $tle2) =
                   3416:               ($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2);
                   3417:             ($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2) =
                   3418:               @diff_str[$idx*8..($idx+1)*8-1];
                   3419:             $lb1 = $INFINITY if ($lb1 < 0);
                   3420:             $lb2 = $INFINITY if ($lb2 < 0);
                   3421:             $le1 = $INFINITY if ($le1 < 0);
                   3422:             $le2 = $INFINITY if ($le2 < 0);
                   3423:             if ($te1 > $b1) {
                   3424:               ($b1, $lb1) = ($te1, $tle1);
                   3425:             }
                   3426:             if ($te2 > $b2) {
                   3427:               ($b2, $lb2) = ($te2, $tle2);
                   3428:             }
                   3429:
                   3430:             last if ($lb1 != $j);
                   3431:
                   3432:             my $begin_char = $l_culx - $b1;
                   3433:
                   3434:             $line =~ /^(.*)(.{$begin_char})$/;
                   3435:             $html_line .= spacedHtmlText($1) .
3.260     scop     3436:               '</span><span class="diff diff-unchanged">';
3.176     scop     3437:             $line = $2;
                   3438:           }
                   3439:           push(@left_html,
3.260     scop     3440:               sprintf('<td><span class="diff diff-unchanged">%s%s</span></td>',
                   3441:                       $html_line, spacedHtmlText($line)));
3.176     scop     3442:         } else {
                   3443:           $line = spacedHtmlText($line);
3.260     scop     3444:           push(@left_html, "<td class=\"diff diff-unchanged\">$line</td>");
3.176     scop     3445:         }
                   3446:       }
                   3447:       ($idx, $b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2) =
                   3448:         (0, @diff_str[0..7]);
                   3449:       $lb1 = $INFINITY if ($lb1 < 0);
                   3450:       $lb2 = $INFINITY if ($lb2 < 0);
                   3451:       $le1 = $INFINITY if ($le1 < 0);
                   3452:       $le2 = $INFINITY if ($le2 < 0);
                   3453:       for (my $j = 0; $j < $rightRow; $j++) {
                   3454:         my $line_len = length(@$rightColRef[$j]);
                   3455:         my $line = @$rightColRef[$j];
                   3456:         $r_cul += length($line) + 1; # includes "\n"
                   3457:         my $r_culx = $r_cul - 1; # not includes "\n"
                   3458:         if ($j < $lb2) {
                   3459:           $line = spacedHtmlText($line);
3.260     scop     3460:           push(@right_html, "<td class=\"diff diff-changed\">$line</td>");
3.176     scop     3461:         } elsif ($lb2 == $j) {
                   3462:           my $html_line;
                   3463:           while ($lb2 == $j) {
                   3464:             my $begin_char = $r_culx - $b2;
                   3465:
                   3466:             $line =~ /^(.*)(.{$begin_char})$/;
                   3467:             $html_line .= spacedHtmlText($1) .
3.260     scop     3468:               '</span><span class="diff diff-unchanged">';
3.176     scop     3469:             $line = $2;
                   3470:
                   3471:             last if ($j != $le2);
                   3472:
                   3473:             my $end_char = $r_culx - $e2;
                   3474:             $line =~ /^(.*)(.{$end_char})$/;
                   3475:             $html_line .= spacedHtmlText($1) .
3.260     scop     3476:               '</span><span class="diff diff-changed">';
3.176     scop     3477:             $line = $2;
                   3478:
                   3479:             $idx++;
                   3480:             my ($tb1, $te1, $tlb1, $tle1, $tb2, $te2, $tlb2, $tle2) =
                   3481:               ($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2);
                   3482:             ($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2) =
                   3483:               @diff_str[$idx*8..($idx+1)*8-1];
                   3484:             $lb1 = $INFINITY if ($lb1 < 0);
                   3485:             $lb2 = $INFINITY if ($lb2 < 0);
                   3486:             $le1 = $INFINITY if ($le1 < 0);
                   3487:             $le2 = $INFINITY if ($le2 < 0);
                   3488:             if ($te1 > $b1) {
                   3489:               ($b1, $lb1) = ($te1, $tle1);
                   3490:             }
                   3491:             if ($te2 > $b2) {
                   3492:               ($b2, $lb2) = ($te2, $tle2);
                   3493:             }
                   3494:           }
                   3495:           push(@right_html,
3.260     scop     3496:                sprintf('<td><span class="diff diff-changed">%s%s</span></td>',
                   3497:                        $html_line, spacedHtmlText($line)));
3.176     scop     3498:         } elsif ($le2 == $j) {
                   3499:           my $html_line;
                   3500:           while ($le2 == $j) {
                   3501:             my $end_char = $r_culx - $e2;
                   3502:             $line =~ /^(.*)(.{$end_char})$/;
                   3503:             $html_line .= spacedHtmlText($1) .
3.260     scop     3504:               '</span><span class="diff diff-changed">';
3.176     scop     3505:             $line = $2;
                   3506:
                   3507:             $idx++;
                   3508:             my ($tb1, $te1, $tlb1, $tle1, $tb2, $te2, $tlb2, $tle2) =
                   3509:               ($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2);
                   3510:             ($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2) =
                   3511:               @diff_str[$idx*8..($idx+1)*8-1];
                   3512:             $lb1 = $INFINITY if ($lb1 < 0);
                   3513:             $lb2 = $INFINITY if ($lb2 < 0);
                   3514:             $le1 = $INFINITY if ($le1 < 0);
                   3515:             $le2 = $INFINITY if ($le2 < 0);
                   3516:             if ($te1 > $b1) {
                   3517:               ($b1, $lb1) = ($te1, $tle1);
                   3518:             }
                   3519:             if ($te2 > $b2) {
                   3520:               ($b2, $lb2) = ($te2, $tle2);
                   3521:             }
                   3522:
                   3523:             last if ($lb2 != $j);
                   3524:
                   3525:             my $begin_char = $r_culx - $b2;
                   3526:             $line =~ /^(.*)(.{$begin_char})$/;
                   3527:             $html_line .= spacedHtmlText($1) .
3.260     scop     3528:               '</span><span class="diff diff-unchanged">';
3.176     scop     3529:             $line = $2;
                   3530:           }
                   3531:           push(@right_html,
3.260     scop     3532:                sprintf('<td nowrap="nowrap"><span class="diff diff-unchanged"'.
                   3533:                        '>%s%s</span></td>',
                   3534:                        $html_line, spacedHtmlText($line)));
3.176     scop     3535:         } else {
                   3536:           $line = spacedHtmlText ($line);
3.260     scop     3537:           push @right_html, "<td class=\"diff diff-unchanged\">$line</td>";
3.176     scop     3538:         }
                   3539:       }
                   3540:       for (my $j = 0; $j < $leftRow || $j < $rightRow ; $j++) { # dump out both cols
                   3541:         print  '<tr>';
                   3542:         if ($j < $leftRow) {
                   3543:           print $left_html[$j];
                   3544:         } else {
3.260     scop     3545:           print '<td class="diff diff-changed-missing">&nbsp;</td>';
3.176     scop     3546:         }
                   3547:         if ($j < $rightRow) {
                   3548:           print $right_html[$j];
                   3549:         } else {
3.260     scop     3550:           print '<td class="diff diff-changed-missing">&nbsp;</td>';
3.176     scop     3551:         }
                   3552:         print "</tr>\n";
3.120     scop     3553:       }
3.176     scop     3554:     } else {
                   3555:       for (my $j = 0; $j < $leftRow || $j < $rightRow; $j++) { # dump both cols
                   3556:         print "<tr>\n";
                   3557:         if ($j < $leftRow) {
3.260     scop     3558:           print '<td class="diff diff-changed">&nbsp;' .
3.176     scop     3559:             spacedHtmlText(@$leftColRef[$j]) . '</td>';
                   3560:         } else {
3.260     scop     3561:           print '<td class="diff diff-changed-missing">&nbsp;</td>';
3.176     scop     3562:         }
                   3563:         print "\n";
3.120     scop     3564:
3.176     scop     3565:         if ($j < $rightRow) {
3.260     scop     3566:           print '<td class="diff diff-changed">&nbsp;' .
3.176     scop     3567:             spacedHtmlText(@$rightColRef[$j]) . '</td>';
                   3568:         } else {
3.260     scop     3569:           print '<td class="diff diff-changed-missing">&nbsp;</td>';
3.176     scop     3570:         }
                   3571:         print "\n</tr>\n";
3.120     scop     3572:       }
                   3573:     }
                   3574:   }
3.1       knu      3575: }
                   3576:
3.175     scop     3577:
3.263     scop     3578: #
                   3579: # Generates "human readable", HTMLified diffs.
                   3580: #
3.144     scop     3581: sub human_readable_diff($$)
3.120     scop     3582: {
                   3583:   my ($fh, $rev) = @_;
3.144     scop     3584:
3.169     scop     3585:   (my $where_nd       = $where)       =~ s|\.diff$||;
                   3586:   (my $filename       = $where_nd)    =~ s|^.*/||;
3.262     scop     3587:   (my $pathname       = $where_nd)    =~ s|((?<=/)Attic/)?[^/]*$||;
3.169     scop     3588:   (my $scriptwhere_nd = $scriptwhere) =~ s|\.diff$||;
3.120     scop     3589:
3.133     scop     3590:   navigateHeader($scriptwhere_nd, $pathname, $filename, $rev, 'diff');
3.120     scop     3591:
3.178     scop     3592:   # Read header to pick up read revision and date, if possible.
                   3593:
                   3594:   my ($r1d, $r1r, $r2d, $r2r);
3.120     scop     3595:   while (<$fh>) {
                   3596:     ($r1d, $r1r) = /\t(.*)\t(.*)$/ if (/^--- /);
                   3597:     ($r2d, $r2r) = /\t(.*)\t(.*)$/ if (/^\+\+\+ /);
                   3598:     last if (/^\+\+\+ /);
                   3599:   }
                   3600:
3.178     scop     3601:   my ($rev1, $date1);
3.120     scop     3602:   if (defined($r1r) && $r1r =~ /^(\d+\.)+\d+$/) {
                   3603:     $rev1  = $r1r;
                   3604:     $date1 = $r1d;
                   3605:   }
3.178     scop     3606:   my ($rev2, $date2);
3.120     scop     3607:   if (defined($r2r) && $r2r =~ /^(\d+\.)+\d+$/) {
                   3608:     $rev2  = $r2r;
                   3609:     $date2 = $r2d;
                   3610:   }
3.292     scop     3611:   $rev1  = $input{r1}      unless defined($rev1);
                   3612:   $rev1  = $input{tr1}     if (defined($rev1) && $rev1 eq 'text');
3.178     scop     3613:   $rev1  = 'unknown-left'  unless defined($rev1);
3.292     scop     3614:   $rev2  = $input{r2}      unless defined($rev2);
                   3615:   $rev2  = $input{tr2}     if (defined($rev2) && $rev2 eq 'text');
3.178     scop     3616:   $rev2  = 'unknown-right' unless defined($rev2);
                   3617:   $date1 = defined($date1) ? ', ' . htmlquote($date1) : '';
                   3618:   $date2 = defined($date2) ? ', ' . htmlquote($date2) : '';
3.120     scop     3619:
3.281     scop     3620:   my $link = uri_escape($filename) . ($query ? "$query;" : '?');
3.210     scop     3621:
3.144     scop     3622:   # Using <table style=\"border: none\" here breaks NS 4.x badly...
3.210     scop     3623:   print <<EOF;
                   3624: <h3 style="text-align: center">Diff for /$where_nd between versions $rev1 and $rev2</h3>
                   3625: <table border="0" cellspacing="0" cellpadding="0" width="100%" summary="Diff output">
3.144     scop     3626: <tr style="background-color: #ffffff">
3.210     scop     3627: <th style="text-align: center; vertical-align: top" width="50%">
3.281     scop     3628: <a href="${link}rev=$rev1">version $rev1</a>$date1
3.178     scop     3629: </th>
3.210     scop     3630: <th style="text-align: center; vertical-align: top" width="50%">
3.281     scop     3631: <a href="${link}rev=$rev2">version $rev2</a>$date2
3.144     scop     3632: </th>
3.178     scop     3633: </tr>
3.144     scop     3634: EOF
3.120     scop     3635:
                   3636:   # Process diff text
                   3637:   # prefetch several lines
                   3638:   my @buf = head($fh);
3.144     scop     3639:   my %d = scan_directives(@buf);
3.120     scop     3640:
3.144     scop     3641:   my $leftRow  = 0;
                   3642:   my $rightRow = 0;
                   3643:   my ($difftxt, @rightCol, @leftCol, $oldline, $newline, $funname);
3.120     scop     3644:
3.281     scop     3645:   $link .= 'content-type=text%2Fx-cvsweb-markup;';
                   3646:   $link .= 'ln=1;' unless ($link =~ /\?.*\bln=1\b/);
3.210     scop     3647:
3.120     scop     3648:   while (@buf || !eof($fh)) {
                   3649:     $difftxt = @buf ? shift @buf : <$fh>;
                   3650:
                   3651:     if ($difftxt =~ /^@@/) {
                   3652:       ($oldline, $newline, $funname) =
                   3653:         $difftxt =~ /@@ \-([0-9]+).*\+([0-9]+).*@@(.*)/;
                   3654:       $funname = htmlquote($funname);
                   3655:       $funname =~ s/\s/&nbsp;/go;
3.182     scop     3656:       $funname &&= "&nbsp;<span style=\"font-size: smaller\">$funname</span>";
3.210     scop     3657:       my $ol = $oldline || 1;
                   3658:       my $nl = $newline || 1;
3.144     scop     3659:
3.210     scop     3660:       print <<EOF;
3.182     scop     3661: <tr>
3.210     scop     3662: <td width="50%" class="diff-heading">
3.281     scop     3663:  <b><a href="${link}rev=$rev1#l$ol">Line&nbsp;$oldline</a></b>$funname
3.182     scop     3664: </td>
3.210     scop     3665: <td width="50%" class="diff-heading">
3.281     scop     3666:  <b><a href="${link}rev=$rev2#l$nl">Line&nbsp;$newline</a></b>$funname
3.144     scop     3667: </td>
3.208     scop     3668: </tr>
3.144     scop     3669: EOF
                   3670:
3.120     scop     3671:       $state    = "dump";
                   3672:       $leftRow  = 0;
                   3673:       $rightRow = 0;
                   3674:     } else {
3.224     scop     3675:       my ($diffcode, $rest) = $difftxt =~ /^([-+ ])(.*)/;
                   3676:       $diffcode = '' unless defined($diffcode);
3.176     scop     3677:       $_ = $rest;
3.120     scop     3678:
                   3679:       #########
                   3680:       # little state machine to parse unified-diff output (Hen, zeller@think.de)
                   3681:       # in order to get some nice 'ediff'-mode output
                   3682:       # states:
                   3683:       #  "dump"             - just dump the value
                   3684:       #  "PreChangeRemove"  - we began with '-' .. so this could be the start of a 'change' area or just remove
                   3685:       #  "PreChange"        - okey, we got several '-' lines and moved to '+' lines -> this is a change block
                   3686:       ##########
                   3687:
                   3688:       if ($diffcode eq '+') {
                   3689:         if ($state eq "dump")
                   3690:         {    # 'change' never begins with '+': just dump out value
3.254     scop     3691:           $_ = spacedHtmlText($rest, $d{tabstop});
3.144     scop     3692:           printf(<<EOF, $_);
                   3693: <tr>
3.260     scop     3694:  <td class="diff diff-empty">&nbsp;</td>
                   3695:  <td class="diff diff-added">&nbsp;%s</td>
3.144     scop     3696: </tr>
                   3697: EOF
3.120     scop     3698:         } else {    # we got minus before
                   3699:           $state = "PreChange";
                   3700:           $rightCol[$rightRow++] = $_;
                   3701:         }
                   3702:       } elsif ($diffcode eq '-') {
                   3703:         $state = "PreChangeRemove";
                   3704:         $leftCol[$leftRow++] = $_;
                   3705:       } else {    # empty diffcode
                   3706:         flush_diff_rows \@leftCol, \@rightCol, $leftRow, $rightRow;
3.254     scop     3707:         $_ = spacedHtmlText($rest, $d{tabstop});
3.147     scop     3708:         printf(<<EOF, $_, $_);
3.144     scop     3709: <tr>
3.260     scop     3710:  <td class="diff diff-same">&nbsp;%s</td>
                   3711:  <td class="diff diff-same">&nbsp;%s</td>
3.144     scop     3712: </tr>
                   3713: EOF
3.120     scop     3714:         $state    = "dump";
                   3715:         $leftRow  = 0;
                   3716:         $rightRow = 0;
                   3717:       }
                   3718:     }
                   3719:   }
                   3720:   close($fh);
                   3721:
                   3722:   flush_diff_rows \@leftCol, \@rightCol, $leftRow, $rightRow;
                   3723:
                   3724:   # state is empty if we didn't have any change
                   3725:   if (!$state) {
3.144     scop     3726:     print <<EOF;
                   3727: <tr>
                   3728:  <td colspan="2">&nbsp;</td>
                   3729: </tr>
3.260     scop     3730: <tr class="diff diff-empty">
3.144     scop     3731:  <td colspan="2" align="center"><b>- No viewable change -</b></td>
                   3732: </tr>
                   3733: EOF
3.120     scop     3734:   }
                   3735:
3.182     scop     3736:   printf(<<EOF, $scriptwhere);
3.144     scop     3737: </table>
3.208     scop     3738: <hr style="width: 100%%" />
3.144     scop     3739: <form method="get" action="%s">
3.182     scop     3740: <div style="float: left">
3.208     scop     3741: <label for="f">Diff format:<br />
3.144     scop     3742: EOF
3.168     scop     3743:   printDiffSelectStickyVars();
3.120     scop     3744:   printDiffSelect($use_java_script);
3.182     scop     3745:   printf(<<EOF, $rev1, $rev2);
3.179     scop     3746: </label>
3.208     scop     3747: <input type="submit" value="Show" />
3.182     scop     3748: </div>
                   3749: <table style="float: right; border: thin outset" cellspacing="0" cellpadding="1" title="Legend" summary="Legend">
                   3750:  <tr>
3.260     scop     3751:   <td align="center" class="diff diff-removed">Removed from v.%s</td>
                   3752:   <td class="diff diff-empty">&nbsp;</td>
                   3753:  </tr><tr class="diff diff-changed">
3.182     scop     3754:   <td align="center" colspan="2">changed lines</td>
                   3755:  </tr><tr>
3.260     scop     3756:   <td class="diff diff-empty">&nbsp;</td>
                   3757:   <td align="center" class="diff diff-added">Added in v.%s</td>
3.182     scop     3758:  </tr>
3.144     scop     3759: </table>
                   3760: </form>
3.208     scop     3761: <br clear="all" />
3.144     scop     3762: EOF
3.120     scop     3763: }
3.167     scop     3764:
                   3765:
3.245     scop     3766: sub doEnscript($$$;$)
3.167     scop     3767: {
3.240     scop     3768:   my ($filehandle, $highlight, $linenumbers, $lang) = @_;
                   3769:   $lang ||= 'cvsweb';
3.167     scop     3770:
3.174     scop     3771:   my @cmd = ($CMD{enscript},
                   3772:              @enscript_options,
3.240     scop     3773:              '-q', "--language=$lang", '-o', '-', "--highlight=$highlight");
3.174     scop     3774:
                   3775:   local *ENSCRIPT_OUT;
                   3776:   my ($h, $err) =
3.229     scop     3777:     startproc(\@cmd, $filehandle, '>pipe', \*ENSCRIPT_OUT);
3.174     scop     3778:   fatal('500 Internal Error', $err) unless $h;
                   3779:
                   3780:   # We could short-circuit and have enscript output directly to STDOUT above,
                   3781:   # but that doesn't work with mod_perl (at least some 1.99 versions).
                   3782:   if ($linenumbers) {
                   3783:     my $ln = 0;
                   3784:     while (<ENSCRIPT_OUT>) {
                   3785:       printf '<a id="l%d" class="src">%5d: </a>', (++$ln) x 2;
                   3786:       print $_;
3.167     scop     3787:     }
3.174     scop     3788:   } else {
                   3789:     local $/ = undef;
                   3790:     print <ENSCRIPT_OUT>;
3.167     scop     3791:   }
3.229     scop     3792:   $h->finish();
3.167     scop     3793: }
                   3794:
3.120     scop     3795:
3.271     scop     3796: #
                   3797: # The passed in $path and $filename should not be URI escaped, and $swhere
                   3798: # *should* be.
                   3799: #
3.163     scop     3800: sub navigateHeader($$$$$;$)
3.120     scop     3801: {
3.163     scop     3802:   my ($swhere, $path, $filename, $rev, $title, $moddate) = @_;
3.120     scop     3803:   $swhere = "" if ($swhere eq $scriptwhere);
3.271     scop     3804:   $swhere = './' . uri_escape($filename) if ($swhere eq "");
3.120     scop     3805:
3.136     scop     3806:   my $qfile = htmlquote($filename);
                   3807:   my $qpath = htmlquote($path);
3.274     scop     3808:   my $trev  = $rev ? " - " . htmlquote($rev) : '';
3.100     knu      3809:
3.298     simon    3810:   http_header('text/html', $moddate);
3.133     scop     3811:
3.120     scop     3812:   print <<EOF;
3.100     knu      3813: $HTML_DOCTYPE
3.89      knu      3814: <html>
                   3815: <head>
3.170     scop     3816: <title>$qpath$qfile - $title$trev</title>
3.144     scop     3817: $HTML_META$CSS</head>
3.129     scop     3818: <body class="src">
3.265     scop     3819: <table class="navigate-header" width="100%" summary="Navigation">
3.184     scop     3820:  <tr>
                   3821:   <td>
3.64      knu      3822: EOF
                   3823:
3.274     scop     3824:   my $frag = '';
                   3825:   if ($rev) {
                   3826:     $frag  = '#';
                   3827:     $frag .= 'rev' if ($rev =~ /\./);  # Normal revision: prefix with "rev".
                   3828:     $frag .= $rev;                     # Append revision/branch/tag.
                   3829:   }
                   3830:   my $backurl = "$swhere$query$frag";
                   3831:
                   3832:   print &link($backicon, $backurl);
                   3833:   printf '<b>Return to %s CVS log', &link($qfile, $backurl);
3.120     scop     3834:   print "</b> $fileicon</td>";
                   3835:
3.144     scop     3836:   printf(<<EOF, $diricon, &clickablePath($path, 1));
3.182     scop     3837:   <td style="text-align: right">%s <b>Up to %s</b></td>
3.144     scop     3838:  </tr>
                   3839: </table>
                   3840: EOF
3.120     scop     3841: }
                   3842:
3.175     scop     3843:
3.120     scop     3844: sub plural_write($$)
                   3845: {
                   3846:   my ($num, $text) = @_;
                   3847:   if ($num != 1) {
                   3848:     $text .= "s";
                   3849:   }
                   3850:
                   3851:   if ($num > 0) {
                   3852:     return join (' ', $num, $text);
                   3853:   } else {
                   3854:     return "";
                   3855:   }
3.1       knu      3856: }
                   3857:
3.175     scop     3858:
3.1       knu      3859: ##
                   3860: # print readable timestamp in terms of
                   3861: # '..time ago'
                   3862: # H. Zeller <zeller@think.de>
                   3863: ##
3.120     scop     3864: sub readableTime($$)
                   3865: {
                   3866:   my ($secs, $long) = @_;
                   3867:
3.175     scop     3868:   # This function works correctly for time >= 2 seconds.
                   3869:   return 'very little time' if ($secs < 2);
3.120     scop     3870:
                   3871:   my %desc = (
3.133     scop     3872:               1        => 'second',
                   3873:               60       => 'minute',
                   3874:               3600     => 'hour',
                   3875:               86400    => 'day',
                   3876:               604800   => 'week',
                   3877:               2628000  => 'month',
                   3878:               31536000 => 'year'
                   3879:              );
                   3880:
3.120     scop     3881:   my @breaks = sort { $a <=> $b } keys %desc;
3.133     scop     3882:   my $i = 0;
3.120     scop     3883:
                   3884:   while ($i <= $#breaks && $secs >= 2 * $breaks[$i]) {
                   3885:     $i++;
                   3886:   }
                   3887:   $i--;
3.133     scop     3888:   my $break  = $breaks[$i];
                   3889:   my $retval = plural_write(int($secs / $break), $desc{$break});
3.120     scop     3890:
                   3891:   if ($long == 1 && $i > 0) {
                   3892:     my $rest = $secs % $break;
                   3893:     $i--;
                   3894:     $break = $breaks[$i];
                   3895:     my $resttime = plural_write(int($rest / $break), $desc{$break});
                   3896:     if ($resttime) {
                   3897:       $retval .= ", $resttime";
                   3898:     }
                   3899:   }
3.1       knu      3900:
3.120     scop     3901:   return $retval;
3.1       knu      3902: }
                   3903:
3.175     scop     3904:
3.1       knu      3905: #
3.263     scop     3906: # Returns a htmlified path where each directory is a link for faster
                   3907: # navigation.  $clickLast controls whether the basename
3.271     scop     3908: # (last directory/file) is a link as well.  The passed in $pathname should
                   3909: # *not* be URI escaped.
3.263     scop     3910: #
3.120     scop     3911: sub clickablePath($$)
                   3912: {
                   3913:   my ($pathname, $clickLast) = @_;
                   3914:
3.154     scop     3915:   my $root = '[' . htmlquote($CVSROOTdescr{$cvstree} || $cvstree) . ']';
                   3916:
3.144     scop     3917:   # This should never happen (see chooseCVSRoot()), but let's be sure...
3.154     scop     3918:   return $root if ($pathname eq '/');
3.120     scop     3919:
3.144     scop     3920:   my $retval =
3.154     scop     3921:     ' ' . &link($root, sprintf('%s/%s#dirlist', $scriptname, $query));
3.144     scop     3922:   my $wherepath = '';
                   3923:   my ($lastslash) = $pathname =~ m|/$|;
                   3924:
3.261     scop     3925:   foreach (split(m|/|, $pathname)) {
3.144     scop     3926:     $retval .= ' / ';
                   3927:     $wherepath .= "/$_";
                   3928:     my $last = "$wherepath/" eq "/$pathname" || $wherepath eq "/$pathname";
                   3929:
                   3930:     if ($clickLast || !$last) {
                   3931:       $retval .= &link(htmlquote($_),
                   3932:                        join ('',
3.271     scop     3933:                              $scriptname, uri_escape_path($wherepath),
3.144     scop     3934:                              (!$last || $lastslash ? '/' : ''), $query,
                   3935:                              (!$last || $lastslash ? "#dirlist" : "")));
                   3936:     } else {    # do not make a link to the current dir
                   3937:       $retval .= htmlquote($_);
3.120     scop     3938:     }
                   3939:   }
                   3940:   return $retval;
                   3941: }
                   3942:
3.144     scop     3943:
3.120     scop     3944: sub chooseCVSRoot()
                   3945: {
3.268     scop     3946:   print "<form method=\"get\" action=\"$scriptwhere\">\n<p>\n";
3.120     scop     3947:   if (2 <= @CVSROOT) {
3.133     scop     3948:     foreach my $k (keys %input) {
3.208     scop     3949:       printf("<input type=\"hidden\" name=\"%s\" value=\"%s\" />\n",
3.154     scop     3950:              htmlquote($k), htmlquote($input{$k}))
                   3951:         if ($input{$k} && $k ne 'cvsroot');
3.120     scop     3952:     }
                   3953:
3.144     scop     3954:     printf(<<EOF, $use_java_script ? ' onchange="this.form.submit()"' : '');
3.208     scop     3955: <label for="cvsroot" accesskey="C">CVS Root:
3.144     scop     3956: <select id="cvsroot" name="cvsroot"%s>
                   3957: EOF
3.120     scop     3958:
3.133     scop     3959:     foreach my $k (@CVSROOT) {
3.136     scop     3960:       printf("<option value=\"%s\"%s>%s</option>\n",
                   3961:              htmlquote($k),
3.208     scop     3962:              ($k eq $cvstree) ? ' selected="selected"' : '',
3.136     scop     3963:              htmlquote($CVSROOTdescr{$k} || $k));
3.120     scop     3964:     }
3.208     scop     3965:     print '</select></label>';
3.120     scop     3966:   } else {
                   3967:
                   3968:     # no choice -- but we need the form to select module/path,
                   3969:     # at least for Netscape
3.208     scop     3970:     printf "CVS Root: <b>[%s]</b>",
3.154     scop     3971:       htmlquote($CVSROOTdescr{$cvstree} || $cvstree);
3.120     scop     3972:   }
                   3973:
3.144     scop     3974:   print <<EOF;
                   3975: <label for="mpath" accesskey="M">
                   3976: Module path or alias:
3.208     scop     3977: <input type="text" id="mpath" name="path" value="" size="15" />
3.144     scop     3978: </label>
3.208     scop     3979: <input type="submit" value="Go" accesskey="O" />
                   3980: </p>
                   3981: </form>
3.144     scop     3982: EOF
3.120     scop     3983: }
                   3984:
3.175     scop     3985:
3.120     scop     3986: sub chooseMirror()
                   3987: {
                   3988:   # This code comes from the original BSD-cvsweb
                   3989:   # and may not be useful for your site; If you don't
                   3990:   # set %MIRRORS this won't show up, anyway.
                   3991:   scalar(%MIRRORS) or return;
                   3992:
                   3993:   # Should perhaps exclude the current site somehow...
                   3994:   print "\n<p>\nThis CVSweb is mirrored in\n";
                   3995:
                   3996:   my @tmp = map(&link(htmlquote($_), $MIRRORS{$_}), sort keys %MIRRORS);
                   3997:   my $tmp = pop (@tmp);
                   3998:
                   3999:   if (scalar(@tmp)) {
                   4000:     print join (', ', @tmp), ' and ';
                   4001:   }
                   4002:
                   4003:   print "$tmp.\n</p>\n";
                   4004: }
                   4005:
3.175     scop     4006:
3.120     scop     4007: sub fileSortCmp()
                   4008: {
3.175     scop     4009:   (my $af = $a) =~ s/,v$//;
                   4010:   (my $bf = $b) =~ s/,v$//;
3.120     scop     4011:   my ($rev1, $date1, $log1, $author1, $filename1) = @{$fileinfo{$af}}
                   4012:     if (defined($fileinfo{$af}));
                   4013:   my ($rev2, $date2, $log2, $author2, $filename2) = @{$fileinfo{$bf}}
                   4014:     if (defined($fileinfo{$bf}));
                   4015:
3.175     scop     4016:   my $comp = 0;
3.140     scop     4017:   if (defined($filename1) && defined($filename2) &&
                   4018:       $af eq $filename1   && $bf eq $filename2)
3.120     scop     4019:   {
                   4020:
                   4021:     # Two files
3.140     scop     4022:     $comp = -revcmp($rev1, $rev2)             if ($byrev  && $rev1  && $rev2);
                   4023:     $comp = ($date2   <=> $date1)             if ($bydate && $date1 && $date2);
                   4024:     if ($input{ignorecase}) {
                   4025:       $comp = (uc($log1)    cmp uc($log2))    if ($bylog && $log1 && $log2);
                   4026:       $comp = (uc($author1) cmp uc($author2)) if ($byauthor &&
                   4027:                                                   $author1 && $author2);
                   4028:     } else {
                   4029:       $comp = ($log1    cmp $log2)            if ($bylog && $log1 && $log2);
                   4030:       $comp = ($author1 cmp $author2)         if ($byauthor &&
                   4031:                                                   $author1 && $author2);
                   4032:     }
3.120     scop     4033:   }
                   4034:
                   4035:   if ($comp == 0) {
                   4036:
                   4037:     # Directories first, then files under version control,
                   4038:     # then other, "rogue" files.
                   4039:     # Sort by filename if no other criteria available.
                   4040:
                   4041:     my $ad = (
                   4042:       (-d "$fullname/$a")
                   4043:       ? 'D'
                   4044:       : (defined($fileinfo{$af}) ? 'F' : 'R')
                   4045:     );
                   4046:     my $bd = (
                   4047:       (-d "$fullname/$b")
                   4048:       ? 'D'
                   4049:       : (defined($fileinfo{$bf}) ? 'F' : 'R')
                   4050:     );
3.175     scop     4051:     (my $c = $a) =~ s|.*/||;
                   4052:     (my $d = $b) =~ s|.*/||;
3.144     scop     4053:
                   4054:     my ($l, $r) = ("$ad$c", "$bd$d");
                   4055:     $comp = $input{ignorecase} ? (uc($l) cmp uc($r)) : ($l cmp $r);
                   4056:
                   4057:     # Parent dir is always first, then Attic.
                   4058:     if ($comp != 0) {
                   4059:       if ($l eq 'D..') {
3.149     scop     4060:         $comp = -1;
3.144     scop     4061:       } elsif ($r eq 'D..') {
3.149     scop     4062:         $comp = 1;
3.144     scop     4063:       } elsif ($l eq 'DAttic') {
3.149     scop     4064:         $comp = -1;
3.144     scop     4065:       } elsif ($r eq 'DAttic') {
3.149     scop     4066:         $comp = 1;
3.144     scop     4067:       }
                   4068:     }
3.120     scop     4069:   }
                   4070:   return $comp;
3.1       knu      4071: }
                   4072:
3.220     scop     4073: #
                   4074: # Returns a URL to download the selected revision.
3.271     scop     4075: # Expects the passed in URL to be URI escaped, relative, and without a query
                   4076: # string.
3.220     scop     4077: #
3.120     scop     4078: sub download_url($$;$)
                   4079: {
                   4080:   my ($url, $revision, $mimetype) = @_;
3.252     scop     4081:   my @dots = $revision =~ /\./g;
                   4082:   $revision =~ s/\b0\.(?=\d+$)// if (scalar(@dots) & 1);
3.1       knu      4083:
3.222     scop     4084:   if (!defined($mimetype) || $mimetype !~ CVSWEBMARKUP) {
3.120     scop     4085:     my $path = $where;
                   4086:     $path =~ s|[^/]+$||;
3.261     scop     4087:     $url = "$scriptname/$CheckoutMagic/$path$url";
3.120     scop     4088:   }
3.219     scop     4089:   $url .= '?rev=' . uri_escape($revision);
                   4090:   $url .= ';content-type=' . uri_escape($mimetype) if $mimetype;
3.67      knu      4091:
3.175     scop     4092:   return $url;
3.1       knu      4093: }
                   4094:
3.175     scop     4095: #
3.220     scop     4096: # Returns a link to download the selected revision.
3.271     scop     4097: # Expects the passed in URL to be URI escaped, relative,
                   4098: # and without a query string.
3.175     scop     4099: #
3.120     scop     4100: sub download_link($$$;$)
                   4101: {
                   4102:   my ($url, $revision, $textlink, $mimetype) = @_;
3.220     scop     4103:   return sprintf('<a href="%s" class="download-link">%s</a>',
3.271     scop     4104:                  download_url($url, $revision, $mimetype) . $barequery,
                   4105:                  htmlquote($textlink));
3.218     scop     4106: }
3.120     scop     4107:
3.219     scop     4108: #
                   4109: # Returns a URL to display the selected revision.
3.263     scop     4110: # Expects the passed in URL to be URI escaped, and without a query string.
3.219     scop     4111: #
                   4112: sub display_url($$;$)
                   4113: {
                   4114:   my ($url, $revision, $mimetype) = @_;
                   4115:   $url .= '?rev=' . uri_escape($revision);
                   4116:   $url .= ';content-type=' . uri_escape($mimetype) if $mimetype;
                   4117:   return $url;
                   4118: }
                   4119:
                   4120: #
                   4121: # Returns a link to display the selected revision.
3.263     scop     4122: # Expects the passed in URL to be URI escaped, and without a query string.
3.219     scop     4123: #
                   4124: sub display_link($$;$$)
                   4125: {
                   4126:   my ($url, $revision, $textlink, $mtype) = @_;
                   4127:   $textlink = $revision unless defined($textlink);
                   4128:   return sprintf('<a href="%s" class="display-link">%s</a>',
3.271     scop     4129:                  display_url($url, $revision, $mtype) . $barequery,
3.219     scop     4130:                  htmlquote($textlink));
                   4131: }
3.132     scop     4132:
3.271     scop     4133: #
                   4134: # Expects the passed in URL to be URI escaped, and without a query string.
                   4135: # The passed in link text should be already HTML escaped as appropriate.
                   4136: #
3.170     scop     4137: sub graph_link($;$)
3.132     scop     4138: {
3.170     scop     4139:   my ($url, $text) = @_;
3.132     scop     4140:   $text ||= $graphicon;
3.271     scop     4141:   return sprintf('<a href="%s?graph=1%s">%s</a>', $url, $barequery, $text);
3.258     scop     4142: }
                   4143:
                   4144: #
                   4145: # Returns a link to CVSHistory for the given directory and filename.
                   4146: #
                   4147: sub history_link($$;$)
                   4148: {
                   4149:   my ($dir, $file, $text) = @_;
                   4150:   $dir  ||= '';
                   4151:   $file ||= '';
                   4152:   $text ||= 'History';
                   4153:   return &link($text,
                   4154:                sprintf('%s?cvsroot=%s;dsearch=%s;fsearch=%s;limit=1',
                   4155:                        $cvshistory_url, uri_escape($input{cvsroot} || ''),
                   4156:                        uri_escape($dir), uri_escape($file)));
3.1       knu      4157: }
                   4158:
                   4159: # Returns a Query string with the
                   4160: # specified parameter toggled
3.140     scop     4161: sub toggleQuery($;$)
3.120     scop     4162: {
                   4163:   my ($toggle, $value) = @_;
3.133     scop     4164:
                   4165:   my %vars = %input;
3.120     scop     4166:
                   4167:   if (defined($value)) {
                   4168:     $vars{$toggle} = $value;
                   4169:   } else {
                   4170:     $vars{$toggle} = $vars{$toggle} ? 0 : 1;
                   4171:   }
                   4172:
                   4173:   # Build a new query of non-default paramenters
3.133     scop     4174:   my $newquery = "";
                   4175:   foreach my $var (@stickyvars) {
3.120     scop     4176:     my ($value)   = defined($vars{$var})         ? $vars{$var}         : "";
                   4177:     my ($default) = defined($DEFAULTVALUE{$var}) ? $DEFAULTVALUE{$var} : "";
                   4178:
                   4179:     if ($value ne $default) {
3.203     scop     4180:       $newquery .= ';' if ($newquery ne "");
3.206     scop     4181:       $newquery .= uri_escape($var) . '=' . uri_escape($value);
3.120     scop     4182:     }
                   4183:   }
                   4184:
                   4185:   if ($newquery) {
                   4186:     return '?' . $newquery;
                   4187:   }
                   4188:   return "";
                   4189: }
                   4190:
                   4191: sub htmlquote($)
                   4192: {
                   4193:   local ($_) = @_;
                   4194:   # Special Characters; RFC 1866
                   4195:   s/&/&amp;/g;
                   4196:   s/\"/&quot;/g;
                   4197:   s/</&lt;/g;
                   4198:   s/>/&gt;/g;
3.175     scop     4199:   return $_;
3.120     scop     4200: }
                   4201:
                   4202: sub htmlunquote($)
                   4203: {
                   4204:   local ($_) = @_;
                   4205:   # Special Characters; RFC 1866
                   4206:   s/&quot;/\"/g;
                   4207:   s/&lt;/</g;
                   4208:   s/&gt;/>/g;
                   4209:   s/&amp;/&/g;
3.175     scop     4210:   return $_;
3.120     scop     4211: }
                   4212:
3.271     scop     4213: sub uri_escape_path($)
3.120     scop     4214: {
3.271     scop     4215:   return join('/', map(uri_escape($_), split(m|/+|, shift, -1)));
3.120     scop     4216: }
                   4217:
3.163     scop     4218: sub http_header(;$$)
3.120     scop     4219: {
3.163     scop     4220:   my ($content_type, $moddate) = @_;
                   4221:   $content_type ||= 'text/html';
3.120     scop     4222:
                   4223:   $content_type .= "; charset=$charset"
3.163     scop     4224:     if ($charset && $content_type =~ m,^text/,);
3.120     scop     4225:
3.185     scop     4226:   # Note that in the following, we explicitly join() and concatenate the
                   4227:   # headers instead of printing them as an array.  This is because some
                   4228:   # systems, eg. early versions of mod_perl 2 don't quite get it if the
                   4229:   # last \r\n\r\n isn't included in the last "payload" header print().
                   4230:
                   4231:   my @headers = ();
                   4232:   # TODO: ctime(3) from scalar gmtime() isn't HTTP compliant, see HTTP::Date.
                   4233:   push(@headers, 'Last-Modified: ' . scalar gmtime($moddate) . ' GMT')
                   4234:     if $moddate;
                   4235:   push(@headers, 'Content-Type: ' . $content_type);
3.120     scop     4236:
                   4237:   if ($allow_compress && $maycompress) {
3.222     scop     4238:     if (HAS_ZLIB
3.120     scop     4239:         || (defined($CMD{gzip}) && open(GZIP, "| $CMD{gzip} -1 -c")))
                   4240:     {
                   4241:
3.299     simon    4242:       push(@headers, 'Content-Encoding: gzip');
3.185     scop     4243:       push(@headers, 'Vary: Accept-Encoding');     # RFC 2616, 14.44
                   4244:       print join("\r\n", @headers) . "\r\n\r\n";
                   4245:
3.120     scop     4246:       $| = 1;
3.185     scop     4247:       $| = 0;                                      # Flush header output.
3.120     scop     4248:
3.222     scop     4249:       tie(*GZIP, __PACKAGE__, \*STDOUT) if HAS_ZLIB;
3.120     scop     4250:       select(GZIP);
                   4251:       $gzip_open = 1;
                   4252:
                   4253:     } else {
3.185     scop     4254:
                   4255:       print join("\r\n", @headers) . "\r\n\r\n";
3.230     scop     4256:       printf
                   4257:         '<span style="font-size: smaller">Unable to find gzip binary in the <b>$command_path</b> (<code>%s</code>) to compress output</span><br />',
                   4258:           htmlquote(join(':', @command_path));
3.120     scop     4259:     }
3.185     scop     4260:
3.120     scop     4261:   } else {
3.185     scop     4262:     print join("\r\n", @headers) . "\r\n\r\n";
3.120     scop     4263:   }
                   4264: }
                   4265:
3.131     scop     4266:
3.163     scop     4267: sub html_header($;$)
3.120     scop     4268: {
3.163     scop     4269:   my ($title, $moddate) = @_;
3.288     scop     4270:   $title  = htmlquote($title);
                   4271:   my $l   = $logo || '';
                   4272:   my $css = $CSS || '';
3.163     scop     4273:   http_header('text/html', $moddate);
3.120     scop     4274:   print <<EOH;
3.100     knu      4275: $HTML_DOCTYPE
3.1       knu      4276: <html>
3.40      knu      4277: <head>
3.134     scop     4278: <title>$title</title>
3.288     scop     4279: $HTML_META$css</head>
3.129     scop     4280: <body>
3.182     scop     4281: $l <h1>$title</h1>
3.1       knu      4282: EOH
                   4283: }
                   4284:
3.120     scop     4285: sub html_footer()
                   4286: {
3.208     scop     4287:   print "<hr />\n<address>$address</address>\n" if $address;
3.127     scop     4288:   print "</body>\n</html>\n";
3.1       knu      4289: }
                   4290:
3.120     scop     4291: sub link_tags($)
                   4292: {
                   4293:   my ($tags) = @_;
                   4294:
3.261     scop     4295:   (my $filename = $where) =~ s|^.*/||;
3.271     scop     4296:   my $fileurl = './' . uri_escape($filename);
3.120     scop     4297:
3.261     scop     4298:   my $ret = "";
                   4299:   foreach my $sym (split(", ", $tags)) {
3.120     scop     4300:     $ret .= ",\n" if ($ret ne "");
3.136     scop     4301:     $ret .= &link(htmlquote($sym),
                   4302:                   $fileurl . toggleQuery('only_with_tag', $sym));
3.120     scop     4303:   }
3.219     scop     4304:   return $ret;
3.1       knu      4305: }
                   4306:
3.175     scop     4307:
3.1       knu      4308: #
3.233     scop     4309: # See if a file/dir is listed in the config file's @ForbiddenFiles list.
                   4310: # Takes a full file system path or one relative to $cvsroot, and strips the
                   4311: # trailing ",v" if present, then compares.  Returns 1 if forbidden, else 0.
3.221     scop     4312: #
3.233     scop     4313: sub forbidden($)
3.120     scop     4314: {
3.233     scop     4315:   (my $path = canonpath(shift)) =~ s/,v$//;
                   4316:   $path =~ s|^$cvsroot/+||;
3.175     scop     4317:   for my $forbidden_re (@ForbiddenFiles) {
                   4318:     return 1 if ($path =~ $forbidden_re);
3.120     scop     4319:   }
                   4320:   return 0;
3.174     scop     4321: }
                   4322:
                   4323:
                   4324: #
                   4325: # Starts a process using IPC::Run.  All arguments are passed to
                   4326: # IPC::Run::start() as-is.  Returns an array ($harness, $error) where
                   4327: # $harness is from IPC::Run if start() succeeds, undef otherwise.  In case
3.184     scop     4328: # of an error, $error contains the error message.
3.174     scop     4329: #
3.191     scop     4330: sub startproc(@)
3.174     scop     4331: {
3.215     scop     4332:   my $h = my $err = undef;
3.174     scop     4333:   eval {
                   4334:     local $SIG{__DIE__};
3.215     scop     4335:     $h = IPC::Run::start(@_) or die("return code: $?");
3.174     scop     4336:   };
3.215     scop     4337:   if ($@) {
3.229     scop     4338:     $h->finish() if $h;
3.215     scop     4339:     $h = undef;
                   4340:     $err = "'@{$_[0]}' failed: $@";
                   4341:   }
3.174     scop     4342:   return ($h, $err);
3.215     scop     4343: }
                   4344:
                   4345: #
                   4346: # Runs a process using IPC::Run.  All arguments are passed to
                   4347: # IPC::Run::run() as-is.  Returns an array ($exitcode, $errormsg).
                   4348: #
                   4349: sub runproc(@)
                   4350: {
                   4351:   eval {
                   4352:     local $SIG{__DIE__};
                   4353:     IPC::Run::run(@_);
                   4354:   };
                   4355:   my $exitcode = $? >> 8;
                   4356:   my $errormsg  = undef;
                   4357:   if ($@) {
                   4358:     $exitcode ||= -1;
                   4359:     $errormsg = "'@{$_[0]}' failed: $@";
                   4360:   }
                   4361:   return ($exitcode, $errormsg);
3.129     scop     4362: }
                   4363:
3.225     scop     4364: #
                   4365: # Check out a file to a temporary file.
                   4366: #
                   4367: sub checkout_to_temp($$$)
                   4368: {
                   4369:   my ($cvsroot, $cvsname, $rev) = @_;
3.25      knu      4370:
3.225     scop     4371:   # Pipe given cvs file into a temporary place.
                   4372:   my ($temp_fh, $temp_fn) = tempfile('.cvsweb.XXXXXXXX', DIR => tmpdir());
                   4373:
                   4374:   my @cmd = ($CMD{cvs}, @cvs_options, '-Qd', $cvsroot,
                   4375:              'co', '-p', "-r$rev", $cvsname);
                   4376:
                   4377:   local (*DIFF_OUT);
                   4378:   my ($h, $err) = startproc(\@cmd, \"", '>pipe', \*DIFF_OUT);
                   4379:   if ($h) {
                   4380:     local $/ = undef;
                   4381:     print $temp_fh <DIFF_OUT>;
3.229     scop     4382:     $h->finish();
3.225     scop     4383:     close($temp_fh);
                   4384:   } else {
                   4385:     close($temp_fh);
                   4386:     unlink($temp_fn);
                   4387:     fatal('500 Internal Error',
                   4388:           'Checkout failure (exit status %s), output: <pre>%s</pre>',
                   4389:           $? >> 8 || -1, $err);
                   4390:   }
                   4391:
                   4392:   return $temp_fn;
                   4393: }
                   4394:
                   4395: #
3.173     scop     4396: # Close the GZIP handle, and remove the tie.
3.225     scop     4397: #
3.120     scop     4398: sub gzipclose
                   4399: {
                   4400:   if ($gzip_open) {
                   4401:     select(STDOUT);
                   4402:     close(GZIP);
                   4403:     untie *GZIP;
                   4404:     $gzip_open = 0;
                   4405:   }
3.23      knu      4406: }
                   4407:
                   4408: # implement a gzipped file handle via the Compress:Zlib compression
                   4409: # library.
                   4410:
                   4411: sub MAGIC1() { 0x1f }
                   4412: sub MAGIC2() { 0x8b }
3.80      knu      4413: sub OSCODE() { 3 }
3.23      knu      4414:
3.120     scop     4415: sub TIEHANDLE
                   4416: {
                   4417:   my ($class, $out) = @_;
                   4418:   my ($d) = Compress::Zlib::deflateInit(
                   4419:     -Level      => Compress::Zlib::Z_BEST_COMPRESSION(),
                   4420:     -WindowBits => -Compress::Zlib::MAX_WBITS()
                   4421:     )
                   4422:     or return undef;
                   4423:   my ($o) = { handle => $out,
                   4424:               dh     => $d,
                   4425:               crc    => 0,
                   4426:               len    => 0,
                   4427:             };
                   4428:   my ($header) = pack("c10",
                   4429:                       MAGIC1, MAGIC2, Compress::Zlib::Z_DEFLATED(),
                   4430:                       0, 0, 0, 0, 0, 0, OSCODE);
                   4431:   print {$o->{handle}} $header;
                   4432:   return bless($o, $class);
                   4433: }
                   4434:
                   4435: sub PRINT
                   4436: {
                   4437:   my ($o)   = shift;
3.164     scop     4438:   my ($buf) = join (defined($,) ? $, : "", @_);
3.120     scop     4439:   my ($len) = length($buf);
                   4440:   my ($compressed, $status) = $o->{dh}->deflate($buf);
                   4441:   print {$o->{handle}} $compressed if defined($compressed);
                   4442:   $o->{crc} = Compress::Zlib::crc32($buf, $o->{crc});
                   4443:   $o->{len} += $len;
                   4444:   return $len;
                   4445: }
                   4446:
                   4447: sub PRINTF
                   4448: {
                   4449:   my ($o)   = shift;
                   4450:   my ($fmt) = shift;
                   4451:   my ($buf) = sprintf($fmt, @_);
                   4452:   my ($len) = length($buf);
                   4453:   my ($compressed, $status) = $o->{dh}->deflate($buf);
                   4454:   print {$o->{handle}} $compressed if defined($compressed);
                   4455:   $o->{crc} = Compress::Zlib::crc32($buf, $o->{crc});
                   4456:   $o->{len} += $len;
                   4457:   return $len;
                   4458: }
                   4459:
                   4460: sub WRITE
                   4461: {
                   4462:   my ($o, $buf, $len, $off) = @_;
                   4463:   my ($compressed, $status) = $o->{dh}->deflate(substr($buf, 0, $len));
                   4464:   print {$o->{handle}} $compressed if defined($compressed);
                   4465:   $o->{crc} = Compress::Zlib::crc32(substr($buf, 0, $len), $o->{crc});
                   4466:   $o->{len} += $len;
                   4467:   return $len;
                   4468: }
                   4469:
                   4470: sub CLOSE
                   4471: {
                   4472:   my ($o) = @_;
                   4473:   return if !defined($o->{dh});
                   4474:   my ($buf) = $o->{dh}->flush();
                   4475:   $buf .= pack("V V", $o->{crc}, $o->{len});
                   4476:   print {$o->{handle}} $buf;
                   4477:   undef $o->{dh};
                   4478: }
                   4479:
                   4480: sub DESTROY
                   4481: {
                   4482:   my ($o) = @_;
                   4483:   CLOSE($o);
1.1       jfieber  4484: }
3.149     scop     4485:
                   4486: # Local variables:
                   4487: # indent-tabs-mode: nil
                   4488: # cperl-indent-level: 2
                   4489: # End:

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