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Annotation of cvsweb/cvsweb.cgi, Revision 3.225

3.204     scop        1: #!/usr/bin/perl -T
1.1       jfieber     2: #
3.1       knu         3: # cvsweb - a CGI interface to CVS trees.
1.1       jfieber     4: #
3.12      knu         5: # Written in their spare time by
3.113     scop        6: #             Bill Fenner          <fenner@FreeBSD.org>   (original work)
                      7: # extended by Henner Zeller        <zeller@think.de>,
                      8: #             Henrik Nordstrom     <hno@hem.passagen.se>
                      9: #             Ken Coar             <coar@Apache.Org>
                     10: #             Dick Balaska         <dick@buckosoft.com>
                     11: #             Akinori MUSHA        <knu@FreeBSD.org>
                     12: #             Jens-Uwe Mager       <jum@helios.de>
                     13: #             Ville Skyttä         <scop@FreeBSD.org>
                     14: #             Vassilii Khachaturov <vassilii@tarunz.org>
3.1       knu        15: #
                     16: # Based on:
                     17: # * Bill Fenners cvsweb.cgi revision 1.28 available from:
3.5       knu        18: #   http://www.FreeBSD.org/cgi/cvsweb.cgi/www/en/cgi/cvsweb.cgi
1.1       jfieber    19: #
1.21      wosch      20: # Copyright (c) 1996-1998 Bill Fenner
3.1       knu        21: #           (c) 1998-1999 Henner Zeller
3.109     scop       22: #           (c) 1999      Henrik Nordstrom
                     23: #           (c) 2000-2002 Akinori MUSHA
3.216     scop       24: #           (c) 2002-2004 Ville Skyttä
1.21      wosch      25: # All rights reserved.
                     26: #
                     27: # Redistribution and use in source and binary forms, with or without
                     28: # modification, are permitted provided that the following conditions
                     29: # are met:
                     30: # 1. Redistributions of source code must retain the above copyright
                     31: #    notice, this list of conditions and the following disclaimer.
                     32: # 2. Redistributions in binary form must reproduce the above copyright
                     33: #    notice, this list of conditions and the following disclaimer in the
                     34: #    documentation and/or other materials provided with the distribution.
                     35: #
                     36: # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
                     37: # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     38: # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     39: # ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
                     40: # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     41: # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     42: # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     43: # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     44: # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     45: # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     46: # SUCH DAMAGE.
                     47: #
3.87      knu        48: # $FreeBSD$
3.82      knu        49: # $Id: cvsweb.cgi,v 1.112 2001/07/24 13:03:16 hzeller Exp $
3.85      knu        50: # $Idaemons: /home/cvs/cvsweb/cvsweb.cgi,v 3.84 2001/10/07 20:50:10 knu Exp $
1.21      wosch      51: #
3.1       knu        52: ###
                     53:
3.204     scop       54: require 5.006;
3.55      knu        55:
3.1       knu        56: use strict;
1.21      wosch      57:
3.204     scop       58: use warnings;
                     59: use filetest qw(access);
                     60:
3.1       knu        61: use vars qw (
3.222     scop       62:   $VERSION $CheckoutMagic $MimeTypes
3.144     scop       63:   $config $allow_version_select
3.120     scop       64:   @CVSrepositories @CVSROOT %CVSROOT %CVSROOTdescr
                     65:   %MIRRORS %DEFAULTVALUE %ICONS %MTYPES
3.225   ! scop       66:   %DIFF_COMMANDS @DIFFTYPES %DIFFTYPES @LOGSORTKEYS %LOGSORTKEYS
3.129     scop       67:   %alltags %fileinfo %tags @branchnames %nameprinted
3.120     scop       68:   %symrev %revsym @allrevisions %date %author @revdisplayorder
3.152     scop       69:   @revisions %state %difflines %log %branchpoint @revorder $keywordsubstitution
3.120     scop       70:   $prcgi @prcategories $re_prcategories $prkeyword $re_prkeyword $mancgi
3.222     scop       71:   $doCheckout $scriptname $scriptwhere
3.120     scop       72:   $where $pathinfo $Browser $nofilelinks $maycompress
3.194     scop       73:   @stickyvars %funcline_regexp
3.120     scop       74:   $is_links $is_lynx $is_w3m $is_msie $is_mozilla3 $is_textbased
                     75:   %input $query $barequery $sortby $bydate $byrev $byauthor
                     76:   $bylog $byfile $defaultDiffType $logsort $cvstree $cvsroot
3.156     scop       77:   $charset $output_filter
3.132     scop       78:   $command_path %CMD $allow_compress $backicon $diricon $fileicon $graphicon
3.152     scop       79:   $fullname $newname $cvstreedefault $logo $defaulttitle $address $binfileicon
3.131     scop       80:   $long_intro $short_instruction $shortLogLen $show_author
3.129     scop       81:   $tablepadding $hr_breakable $showfunc $hr_ignwhite $hr_ignkeysubst
                     82:   $inputTextSize $mime_types $allow_annotate $allow_markup
3.120     scop       83:   $allow_log_extra $allow_dir_extra $allow_source_extra
3.218     scop       84:   $allow_cvsgraph $cvsgraph_config $use_java_script $edit_option_form
3.144     scop       85:   $show_subdir_lastmod $show_log_in_markup $preformat_in_markup
3.217     scop       86:   $tabstop $state $annTable $sel @HideModules @ForbiddenFiles
3.163     scop       87:   $module $use_descriptions %descriptions @mytz $dwhere
3.222     scop       88:   $use_moddate $gzip_open $file_list_len
3.120     scop       89:   $allow_tar @tar_options @gzip_options @zip_options @cvs_options
3.222     scop       90:   @annotate_options @rcsdiff_options
3.165     scop       91:   $HTML_DOCTYPE $HTML_META $cssurl $CSS
3.222     scop       92:   $allow_enscript @enscript_options %enscript_types
3.1       knu        93: );
                     94:
3.183     scop       95: use Cwd                   qw(abs_path cwd);
3.172     scop       96: use File::Basename        qw(dirname);
3.171     scop       97: use File::Path            qw(rmtree);
3.196     scop       98: use File::Spec::Functions qw(catdir catfile curdir devnull rootdir tmpdir
                     99:                              updir);
3.225   ! scop      100: use File::Temp            qw(tempdir tempfile);
3.215     scop      101: use IPC::Run              qw(finish timeout);
3.172     scop      102: use Time::Local           qw(timegm);
3.206     scop      103: use URI::Escape           qw(uri_escape uri_unescape);
3.122     scop      104:
3.222     scop      105: use constant VALID_PATH   => qr/^([[:^cntrl:]]+)$/o;
                    106: use constant VALID_TAG1   => qr/^([a-zA-Z][[:graph:]]*)$/o;
                    107: use constant VALID_TAG2   => qr/^([^\$,.:;@]+)$/o;
                    108: use constant CVSWEBMARKUP => qr/^text\/(x-cvsweb|vnd\.viewcvs)-markup$/io;
                    109: use constant LOG_FILESEPR => qr/^={77}$/o;
                    110: use constant LOG_REVSEPR  => qr/^-{28}$/o;
                    111:
                    112: use constant HAS_ZLIB     => eval { require Compress::Zlib; };
                    113: use constant HAS_EDIFF    => eval { require String::Ediff;  };
3.194     scop      114:
3.122     scop      115: # -----------------------------------------------------------------------------
                    116:
                    117: # All global initialization that can be done in compile time should go to
                    118: # the BEGIN block.  Persistent environments, such as mod_perl, will benefit
                    119: # from this.
                    120:
                    121: BEGIN
                    122: {
3.219     scop      123:   $VERSION = '2.9.2-dev';
3.122     scop      124:
                    125:   $HTML_DOCTYPE =
3.208     scop      126:     '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" ' .
                    127:     '"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">';
3.122     scop      128:
                    129:   $HTML_META = <<EOM;
3.208     scop      130: <meta name="robots" content="nofollow" />
                    131: <meta name="generator" content="FreeBSD-CVSweb $VERSION" />
                    132: <meta http-equiv="Content-Script-Type" content="text/javascript" />
                    133: <meta http-equiv="Content-Style-Type" content="text/css" />
3.122     scop      134: EOM
                    135:
3.156     scop      136:   # Use MIME::Types for MIME type lookups if it's available.
                    137:   eval {
                    138:     require MIME::Types;
3.223     scop      139:     $MimeTypes = MIME::Types->new(only_complete => 1);
3.156     scop      140:   };
                    141:   $MimeTypes = undef if $@;
                    142:
3.222     scop      143:   $CheckoutMagic = '~checkout~';
3.122     scop      144: }
                    145:
                    146: # -----------------------------------------------------------------------------
                    147:
3.12      knu       148: sub printDiffSelect($);
3.168     scop      149: sub printDiffSelectStickyVars();
3.225   ! scop      150: sub getDiffLinks($$$);
3.37      knu       151: sub printLogSortSelect($);
3.12      knu       152: sub findLastModifiedSubdirs(@);
3.36      knu       153: sub htmlify_sub(&$);
3.12      knu       154: sub htmlify($;$);
3.20      knu       155: sub spacedHtmlText($;$);
3.12      knu       156: sub link($$);
                    157: sub revcmp($$);
3.103     knu       158: sub fatal($$@);
3.12      knu       159: sub redirect($);
                    160: sub safeglob($);
3.58      knu       161: sub search_path($);
3.219     scop      162: sub getEnscriptHL($);
3.156     scop      163: sub getMimeType($;$);
3.24      knu       164: sub head($;$);
                    165: sub scan_directives(@);
3.86      knu       166: sub openOutputFilter();
3.133     scop      167: sub doAnnotate($);
3.12      knu       168: sub doCheckout($$);
3.167     scop      169: sub doEnscript($$$);
3.170     scop      170: sub doGraph();
                    171: sub doGraphView();
3.219     scop      172: sub cvswebMarkup($$$$$$;$);
3.12      knu       173: sub viewable($);
                    174: sub doDiff($$$$$$);
                    175: sub getDirLogs($$@);
                    176: sub readLog($;$);
3.219     scop      177: sub printLog($$$;$$);
3.12      knu       178: sub doLog($);
                    179: sub flush_diff_rows($$$$);
3.144     scop      180: sub human_readable_diff($$);
3.163     scop      181: sub navigateHeader($$$$$;$);
3.12      knu       182: sub plural_write($$);
                    183: sub readableTime($$);
                    184: sub clickablePath($$);
                    185: sub chooseCVSRoot();
                    186: sub chooseMirror();
                    187: sub fileSortCmp();
                    188: sub download_url($$;$);
                    189: sub download_link($$$;$);
3.219     scop      190: sub display_url($$;$);
                    191: sub display_link($$;$$);
3.170     scop      192: sub graph_link($;$);
3.140     scop      193: sub toggleQuery($;$);
3.12      knu       194: sub urlencode($);
3.35      knu       195: sub htmlquote($);
3.36      knu       196: sub htmlunquote($);
3.48      knu       197: sub hrefquote($);
3.163     scop      198: sub http_header(;$$);
                    199: sub html_header($;$);
3.12      knu       200: sub html_footer();
                    201: sub link_tags($);
3.81      knu       202: sub forbidden_file($);
3.12      knu       203: sub forbidden_module($);
3.191     scop      204: sub startproc(@);
3.215     scop      205: sub runproc(@);
3.225   ! scop      206: sub checkout_to_temp($$$);
3.12      knu       207:
3.1       knu       208: ##### Start of Configuration Area ########
3.122     scop      209:
3.142     scop      210: # Get rid of unsafe environment vars.  Don't do this in BEGIN...
3.173     scop      211: # This will fail with mod_perl 1.99_X for X < 08.
                    212: # http://marc.theaimsgroup.com/?l=apache-modperl-dev&m=103473352222344
3.142     scop      213: delete(@ENV{qw(PATH IFS CDPATH ENV BASH_ENV)});
3.59      knu       214:
3.172     scop      215: my ($mydir) = (dirname($0) =~ /(.*)/);    # untaint
3.58      knu       216:
3.12      knu       217: # == EDIT this ==
3.28      knu       218: # Locations to search for user configuration, in order:
3.165     scop      219: for (catfile($mydir, 'cvsweb.conf'), '/usr/local/etc/cvsweb/cvsweb.conf') {
                    220:   if (-r $_) {
3.120     scop      221:     $config = $_;
                    222:     last;
                    223:   }
3.11      knu       224: }
3.122     scop      225: undef $mydir;
3.1       knu       226:
                    227: # == Configuration defaults ==
                    228: # Defaults for configuration variables that shouldn't need
                    229: # to be configured..
                    230: $allow_version_select = 1;
3.120     scop      231: $allow_log_extra      = 1;
3.1       knu       232:
                    233: ##### End of Configuration Area   ########
                    234:
                    235: ######## Configuration variables #########
                    236: # These are defined to allow checking with perl -cw
3.120     scop      237:
3.80      knu       238: @CVSrepositories = @CVSROOT = %CVSROOT = %MIRRORS = %DEFAULTVALUE = %ICONS =
3.225   ! scop      239:   %MTYPES = %tags = %alltags = %fileinfo = %DIFF_COMMANDS = ();
3.120     scop      240:
3.129     scop      241: $cvstreedefault = $logo = $defaulttitle =
3.120     scop      242:   $address = $long_intro = $short_instruction = $shortLogLen = $show_author =
3.131     scop      243:   $tablepadding = $hr_breakable = $showfunc = $hr_ignwhite =
3.129     scop      244:   $hr_ignkeysubst = $inputTextSize = $mime_types = $allow_annotate =
3.218     scop      245:   $allow_markup = $use_java_script = $edit_option_form =
3.144     scop      246:   $show_subdir_lastmod = $show_log_in_markup =
3.163     scop      247:   $tabstop = $use_moddate = $gzip_open = undef;
3.32      knu       248:
3.37      knu       249: @DIFFTYPES = qw(h H u c s);
                    250: @DIFFTYPES{@DIFFTYPES} = (
3.120     scop      251:   {
                    252:     'descr'   => 'colored',
                    253:     'opts'    => ['-u'],
                    254:     'colored' => 1,
                    255:   },
                    256:   {
                    257:     'descr'   => 'long colored',
                    258:     'opts'    => ['--unified=15'],
                    259:     'colored' => 1,
                    260:   },
                    261:   {
                    262:     'descr'   => 'unified',
                    263:     'opts'    => ['-u'],
                    264:     'colored' => 0,
                    265:   },
                    266:   {
                    267:     'descr'   => 'context',
                    268:     'opts'    => ['-c'],
                    269:     'colored' => 0,
                    270:   },
                    271:   {
                    272:     'descr'   => 'side by side',
                    273:     'opts'    => ['--side-by-side', '--width=164'],
                    274:     'colored' => 0,
                    275:   },
3.80      knu       276: );
3.37      knu       277:
                    278: @LOGSORTKEYS = qw(cvs date rev);
                    279: @LOGSORTKEYS{@LOGSORTKEYS} = (
3.120     scop      280:   {'descr' => 'Not sorted',},
                    281:   {'descr' => 'Commit date',},
                    282:   {'descr' => 'Revision',},
3.80      knu       283: );
3.37      knu       284:
3.1       knu       285: ##### End of configuration variables #####
                    286:
3.194     scop      287: if ($ENV{PATH_INFO}) {
                    288:   ($pathinfo) = ($ENV{PATH_INFO} =~ VALID_PATH)
                    289:     or fatal('500 Internal Error',
                    290:              'Illegal PATH_INFO in environment: <code>%s</code>',
                    291:              $ENV{PATH_INFO});
                    292: }
                    293: if ($ENV{SCRIPT_NAME}) {
                    294:   ($scriptname) = ($ENV{SCRIPT_NAME} =~ VALID_PATH)
                    295:     or fatal('500 Internal Error',
                    296:              'Illegal SCRIPT_NAME in environment: <code>%s</code>',
                    297:              $ENV{SCRIPT_NAME});
                    298: }
                    299:
                    300: $pathinfo      = '' unless defined($pathinfo);
                    301: $scriptname    = '' unless defined($scriptname);
                    302:
3.120     scop      303: $where         =  $pathinfo;
3.222     scop      304: $doCheckout    =  ($where =~ m|^/$CheckoutMagic/|o);
                    305: $where         =~ s|^/$CheckoutMagic/|/|o;
3.120     scop      306: $where         =~ s|^/||;
                    307: $scriptname    =~ s|^/*|/|;
3.63      knu       308:
3.64      knu       309: # Let's workaround thttpd's stupidity..
3.63      knu       310: if ($scriptname =~ m|/$|) {
3.120     scop      311:   $pathinfo .= '/';
                    312:   my $re = quotemeta $pathinfo;
                    313:   $scriptname =~ s/$re$//;
3.63      knu       314: }
                    315:
3.120     scop      316: $scriptwhere  = $scriptname;
3.63      knu       317: $scriptwhere .= '/' . urlencode($where);
                    318: $where = '/' if ($where eq '');
3.3       knu       319:
3.188     scop      320: # In text-based browsers, it's very annoying to have two links per file;
                    321: # skip linking the image for them.
                    322:
3.120     scop      323: $Browser     = $ENV{HTTP_USER_AGENT} || '';
3.187     scop      324: $is_links    = ($Browser =~ m`^E?Links `);
3.80      knu       325: $is_lynx     = ($Browser =~ m`^Lynx/`i);
                    326: $is_w3m      = ($Browser =~ m`^w3m/`i);
                    327: $is_msie     = ($Browser =~ m`MSIE`);
3.5       knu       328: $is_mozilla3 = ($Browser =~ m`^Mozilla/[3-9]`);
3.3       knu       329:
3.34      knu       330: $is_textbased = ($is_links || $is_lynx || $is_w3m);
3.5       knu       331:
                    332: $nofilelinks = $is_textbased;
3.1       knu       333:
                    334: # newer browsers accept gzip content encoding
                    335: # and state this in a header
                    336: # (netscape did always but didn't state it)
                    337: # It has been reported that these
                    338: #  braindamaged MS-Internet Exploders claim that they
                    339: # accept gzip .. but don't in fact and
                    340: # display garbage then :-/
3.23      knu       341: # Turn off gzip if running under mod_perl and no zlib is available,
                    342: # piping does not work as expected inside the server.
3.120     scop      343: $maycompress = (
                    344:   ((defined($ENV{HTTP_ACCEPT_ENCODING})
                    345:     && $ENV{HTTP_ACCEPT_ENCODING} =~ /gzip/)
                    346:    || $is_mozilla3)
                    347:   && !$is_msie
3.222     scop      348:   && !(defined($ENV{MOD_PERL}) && !HAS_ZLIB)
3.120     scop      349: );
3.1       knu       350:
3.194     scop      351: # Variables that will be sticky in all constructed links/query strings.
                    352: @stickyvars =
                    353:   qw(cvsroot hideattic ignorecase sortby logsort f only_with_tag ln);
1.1       jfieber   354:
3.1       knu       355: if (-f $config) {
3.120     scop      356:   do "$config"
                    357:     or fatal("500 Internal Error",
3.208     scop      358:              'Error in loading configuration file: %s<br /><br />%s<br />',
3.120     scop      359:              $config, $@);
3.27      knu       360: } else {
3.120     scop      361:   fatal("500 Internal Error",
                    362:         'Configuration not found.  Set the variable <code>$config</code> in cvsweb.cgi to your <b>cvsweb.conf</b> configuration file first.');
3.1       knu       363: }
                    364:
3.183     scop      365: # Try to find a readable dir where we can cd into.  Some abs_path()
                    366: # implementations as well as various cvs operations require such a dir to
                    367: # work properly.
                    368: {
                    369:   local $^W = 0;
3.190     scop      370:   if (!-r cwd()) {
                    371:     for my $dir (tmpdir(), rootdir()) {
                    372:       last if (-r $dir && chdir($dir));
                    373:     }
3.183     scop      374:   }
                    375: }
                    376:
3.144     scop      377: $CSS = $cssurl ?
3.208     scop      378:   sprintf("<link rel=\"stylesheet\" type=\"text/css\" href=\"%s\" />\n",
3.144     scop      379:           htmlquote($cssurl)) : '';
                    380:
3.194     scop      381: # --- input parameters
                    382:
3.202     scop      383: my %query = ();
                    384: if (defined($ENV{QUERY_STRING})) {
                    385:   for my $p (split(/[;&]+/, $ENV{QUERY_STRING})) {
                    386:     next unless $p;
                    387:     $p =~ y/+/ /;
                    388:     my ($key, $val) = split(/=/, $p, 2);
                    389:     next unless defined($key);
                    390:     $val = 1 unless defined($val);
3.222     scop      391:     ($key = uri_unescape($key)) =~ /[[:graph:]]/ or next;
                    392:     ($val = uri_unescape($val)) =~ /[[:graph:]]/ or next;
3.202     scop      393:     $query{$key} = $val;
                    394:   }
                    395: }
                    396:
3.1       knu       397: undef %input;
1.10      wosch     398:
3.194     scop      399: my $t;
                    400: for my $p (qw(graph hideattic hidecvsroot hidenonreadable ignorecase ln copt
                    401:               makeimage options tarball)) {
3.202     scop      402:   $t = $query{$p};
                    403:   if (defined($t)) {
3.222     scop      404:     ($input{$p}) = ($t =~ /^([01]|on)$/)
3.194     scop      405:       or fatal('500 Internal Error',
                    406:                'Invalid boolean value: <code>%s=%s</code>', $p, $t);
                    407:   }
                    408: }
                    409: for my $p (qw(annotate r1 r2 rev tr1 tr2)) {
3.202     scop      410:   $t = $query{$p};
                    411:   if (defined($t)) {
3.207     scop      412:     if (($p eq 'r1' || $p eq 'r2') && $t eq 'text') {
                    413:       # Special case for the "Use text field" option in the log view diff form.
                    414:       $input{$p} = $t;
                    415:       next;
                    416:     }
3.194     scop      417:     my ($rev, $tag) = split(/:/, $t, 2);
3.222     scop      418:     ($input{$p}) = ($rev =~ /^(\d+(?:\.\d+)+)$/)
3.194     scop      419:       or fatal('500 Internal Error',
                    420:                'Invalid revision: <code>%s=%s</code>', $p, $t);
                    421:     if (defined($tag)) {
                    422:       ($tag) = ($tag =~ VALID_TAG1)
                    423:         or fatal('500 Internal Error',
                    424:                  'Invalid revision: <code>%s=%s</code>', $p, $t);
                    425:       ($tag) = ($tag =~ VALID_TAG2)
                    426:         or fatal('500 Internal Error',
                    427:                  'Invalid revision: <code>%s=%s</code>', $p, $t);
3.207     scop      428:       $input{$p} .= ':' . $tag;
3.194     scop      429:     }
                    430:   }
                    431: }
3.202     scop      432: $t = defined($query{only_with_tag}) ?
                    433:   $query{only_with_tag} : $query{only_on_branch}; # Backwards compatibility.
                    434: if (defined($t)) {
3.211     scop      435:   ($input{only_with_tag}) = ($t =~ VALID_TAG1)
3.194     scop      436:     or fatal('500 Internal Error',
                    437:              'Invalid tag/branch name: <code>%s</code>', $t);
3.211     scop      438:   ($input{only_with_tag}) = ($t =~ VALID_TAG2)
3.194     scop      439:     or fatal('500 Internal Error',
                    440:              'Invalid tag/branch name: <code>%s</code>', $t);
                    441: }
3.202     scop      442: $t = $query{logsort};
                    443: if (defined($t)) {
3.222     scop      444:   ($input{logsort}) = ($t =~ /^(cvs|date|rev)$/)
3.194     scop      445:     or fatal('500 Internal Error',
                    446:              'Unsupported log sort key: <code>%s</code>', $t);
                    447: }
3.202     scop      448: $t = $query{f};
                    449: if (defined($t)) {
3.225   ! scop      450:   ($input{f}) = ($t =~ /^(([hH]|[ucs]c?)|ext\d*)$/)
3.194     scop      451:     or fatal('500 Internal Error',
                    452:              'Unsupported diff format: <code>%s</code>', $t);
                    453: }
3.202     scop      454: $t = $query{sortby};
                    455: if (defined($t)) {
3.222     scop      456:   ($input{sortby}) = ($t =~ /^(file|date|rev|author|log)$/)
3.194     scop      457:     or fatal('500 Internal Error',
                    458:              'Unsupported dir sort key: <code>%s</code>', $t);
                    459: }
3.202     scop      460: $t = $query{'content-type'};
                    461: if (defined($t)) {
3.222     scop      462:   ($input{'content-type'}) = ($t =~ /^([-0-9A-Za-z]+\/[-0-9A-Za-z\.]+)$/)
3.194     scop      463:     or fatal('500 Internal Error',
                    464:              'Unsupported content type: <code>%s</code>', $t);
                    465: }
3.202     scop      466: $t = $query{cvsroot};
                    467: if (defined($t)) {
3.222     scop      468:   ($input{cvsroot}) = ($t =~ /^([[:print:]]+)$/)
3.194     scop      469:     or fatal('500 Internal Error',
                    470:              'Invalid symbolic CVS root name: <code>%s</code>', $t);
                    471: }
3.202     scop      472: $t = $query{path};
                    473: if (defined($t)) {
3.194     scop      474:   ($input{path}) = ($t =~ VALID_PATH)
                    475:     or fatal('500 Internal Error',
                    476:              'Invalid path: <code>%s</code>', $t);
3.97      knu       477: }
3.194     scop      478: undef($t);
3.205     scop      479: undef(%query);
3.97      knu       480:
3.194     scop      481: # --- end input parameters
1.10      wosch     482:
3.158     scop      483: #
                    484: # CVS roots
                    485: #
                    486: my $rootfound = 0;
                    487: for (my $i = 0; $i < scalar(@CVSrepositories); $i += 2) {
                    488:   my $key = $CVSrepositories[$i];
                    489:   my ($descr, $cvsroot) = @{$CVSrepositories[$i+1]};
                    490:   unless (-d $cvsroot) {
                    491:     warn("Root '$cvsroot' defined in \@CVSrepositories is not a directory, " .
                    492:          'entry ignored');
                    493:     next;
                    494:   }
                    495:   $rootfound ||= 1;
                    496:   $cvstreedefault = $key unless defined($cvstreedefault);
                    497:   $CVSROOTdescr{$key} = $descr;
                    498:   $CVSROOT{$key} = $cvsroot;
                    499:   push(@CVSROOT, $key);
                    500: }
                    501: unless ($rootfound) {
                    502:   fatal('500 Internal Error',
                    503:         'No valid CVS roots found!  See <code>@CVSrepositories</code> in ' .
3.221     scop      504:         'the configuration file (<code>%s</code>).',
3.158     scop      505:         $config);
                    506: }
                    507: undef $rootfound;
                    508:
                    509: #
                    510: # Default CVS root
                    511: #
                    512: if (!defined($CVSROOT{$cvstreedefault})) {
                    513:   fatal("500 Internal Error",
                    514:         '<code>$cvstreedefault</code> points to a repository (%s) not ' .
                    515:         'defined in <code>@CVSrepositories</code> in your configuration ' .
                    516:         'file (<code>%s</code>).',
                    517:         $cvstreedefault,
                    518:         $config);
                    519: }
                    520:
3.1       knu       521: $DEFAULTVALUE{'cvsroot'} = $cvstreedefault;
1.10      wosch     522:
3.120     scop      523: while (my ($key, $defval) = each %DEFAULTVALUE) {
3.80      knu       524:
3.120     scop      525:   # Replace not given parameters with defaults.
3.194     scop      526:   next unless (defined($defval) && $defval =~ /\S/ && !defined($input{$key}));
3.120     scop      527:
                    528:   # Empty checkboxes in forms return nothing, so we define a helper variable
                    529:   # in these forms (copt) which indicates that we just set parameters with a
                    530:   # checkbox.
3.194     scop      531:   if ($input{copt}) {
3.120     scop      532:
3.194     scop      533:     # 'copt' is set -> the result of empty input checkbox
3.120     scop      534:     # -> set to zero (disable) if default is a boolean (0|1).
                    535:     $input{$key} = 0 if ($defval eq '0' || $defval eq '1');
                    536:
                    537:   } else {
                    538:
3.194     scop      539:     # 'copt' isn't set --> empty input is not the result
3.120     scop      540:     # of empty input checkbox --> set default.
                    541:     $input{$key} = $defval;
                    542:   }
1.10      wosch     543: }
3.12      knu       544:
3.1       knu       545: $barequery = "";
3.31      knu       546: my @barequery;
3.1       knu       547: foreach (@stickyvars) {
3.80      knu       548:
3.120     scop      549:   # construct a query string with the sticky non default parameters set
                    550:   if (defined($input{$_})
                    551:       && !(defined($DEFAULTVALUE{$_}) && $input{$_} eq $DEFAULTVALUE{$_}))
                    552:   {
3.206     scop      553:     push(@barequery, join('=', uri_escape($_), uri_escape($input{$_})));
3.120     scop      554:   }
3.1       knu       555: }
3.80      knu       556:
3.168     scop      557: if ($allow_enscript) {
                    558:   push(@DIFFTYPES, qw(uc cc sc));
                    559:   @DIFFTYPES{qw(uc cc sc)} = (
                    560:     {
                    561:      'descr'   => 'unified, colored',
                    562:      'opts'    => ['-u'],
                    563:      'colored' => 0,
                    564:     },
                    565:     {
                    566:      'descr'   => 'context, colored',
                    567:      'opts'    => ['-c'],
                    568:      'colored' => 0,
                    569:     },
                    570:     {
                    571:      'descr'   => 'side by side, colored',
                    572:      'opts'    => ['--side-by-side', '--width=164'],
                    573:      'colored' => 0,
                    574:     },
                    575:   );
                    576: } else {
                    577:   # No Enscript -> respect difftype, but don't offer colorization.
                    578:   if ($input{f} && $input{f} =~ /^([ucs])c$/) {
                    579:     $input{f} = $1;
                    580:   }
                    581: }
                    582:
3.1       knu       583: # is there any query ?
3.31      knu       584: if (@barequery) {
3.203     scop      585:   $barequery = join (';', @barequery);
3.120     scop      586:   $query     = "?$barequery";
3.203     scop      587:   $barequery = ";$barequery";
3.80      knu       588: } else {
3.120     scop      589:   $query = "";
3.1       knu       590: }
3.31      knu       591: undef @barequery;
3.1       knu       592:
3.120     scop      593: if (defined($input{'path'})) {
                    594:   redirect("$scriptname/$input{path}$query");
3.57      knu       595: }
                    596:
3.1       knu       597: # get actual parameters
3.144     scop      598: {
                    599:   my $sortby = $input{sortby} || 'file';
                    600:   $bydate    = 0;
                    601:   $byrev     = 0;
                    602:   $byauthor  = 0;
                    603:   $bylog     = 0;
                    604:   $byfile    = 0;
                    605:   if ($sortby eq 'date') {
                    606:     $bydate = 1;
                    607:   } elsif ($sortby eq 'rev') {
                    608:     $byrev = 1;
                    609:   } elsif ($sortby eq 'author') {
                    610:     $byauthor = 1;
                    611:   } elsif ($sortby eq 'log') {
                    612:     $bylog = 1;
                    613:   } else {
                    614:     $byfile = 1;
                    615:   }
3.1       knu       616: }
                    617:
3.37      knu       618: $defaultDiffType = $input{'f'};
3.1       knu       619:
3.3       knu       620: $logsort = $input{'logsort'};
3.1       knu       621:
                    622: # alternate CVS-Tree, configured in cvsweb.conf
                    623: if ($input{'cvsroot'} && $CVSROOT{$input{'cvsroot'}}) {
3.120     scop      624:   $cvstree = $input{'cvsroot'};
3.1       knu       625: } else {
3.120     scop      626:   $cvstree = $cvstreedefault;
1.10      wosch     627: }
                    628:
3.1       knu       629: $cvsroot = $CVSROOT{$cvstree};
1.10      wosch     630:
3.1       knu       631: # create icons out of description
3.120     scop      632: foreach my $k (keys %ICONS) {
                    633:   my ($itxt, $ipath, $iwidth, $iheight) = @{$ICONS{$k}};
                    634:   no strict 'refs';
                    635:   if ($ipath) {
                    636:     ${"${k}icon"} =
3.208     scop      637:       sprintf('<img src="%s" alt="%s" border="0" width="%d" height="%d" />',
3.132     scop      638:               hrefquote($ipath), htmlquote($itxt), $iwidth, $iheight);
3.120     scop      639:   } else {
                    640:     ${"${k}icon"} = $itxt;
                    641:   }
1.24      wosch     642: }
                    643:
3.27      knu       644: my $config_cvstree = "$config-$cvstree";
                    645:
3.1       knu       646: # Do some special configuration for cvstrees
3.27      knu       647: if (-f $config_cvstree) {
3.120     scop      648:   do "$config_cvstree"
                    649:     or fatal("500 Internal Error",
3.208     scop      650:              'Error in loading configuration file: %s<br /><br />%s<br />',
3.120     scop      651:              $config_cvstree, $@);
3.27      knu       652: }
3.31      knu       653: undef $config_cvstree;
3.1       knu       654:
3.120     scop      655: $re_prcategories  = '(?:' . join ('|', @prcategories) . ')' if @prcategories;
                    656: $re_prkeyword     = quotemeta($prkeyword) if defined($prkeyword);
                    657: $prcgi           .= '%s' if defined($prcgi) && $prcgi !~ /%s/;
1.24      wosch     658:
3.80      knu       659: $fullname         = "$cvsroot/$where";
3.1       knu       660:
3.63      knu       661: my $rewrite = 0;
                    662:
                    663: if ($pathinfo =~ m|//|) {
3.120     scop      664:   $pathinfo =~ y|/|/|s;
                    665:   $rewrite = 1;
3.63      knu       666: }
                    667:
3.120     scop      668: if (-d $fullname) {
                    669:   if ($pathinfo !~ m|/$|) {
                    670:     $pathinfo .= '/';
                    671:     $rewrite   = 1;
                    672:   }
                    673: } else {
                    674:   if ($pathinfo =~ m|/$|) {
                    675:     chop $pathinfo;
                    676:     $rewrite = 1;
                    677:   }
3.63      knu       678: }
                    679:
                    680: if ($rewrite) {
3.120     scop      681:   redirect($scriptname . urlencode($pathinfo) . $query);
3.1       knu       682: }
                    683:
3.63      knu       684: undef $rewrite;
                    685:
3.1       knu       686: if (!-d $cvsroot) {
3.120     scop      687:   fatal("500 Internal Error",
                    688:         '$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       689: }
                    690:
                    691: #
                    692: # See if the module is in our forbidden list.
                    693: #
                    694: $where =~ m:([^/]*):;
                    695: $module = $1;
                    696: if ($module && &forbidden_module($module)) {
3.120     scop      697:   fatal("403 Forbidden", 'Access to %s forbidden.', $where);
3.1       knu       698: }
3.46      knu       699:
                    700: #
                    701: # Handle tarball downloads before any headers are output.
                    702: #
                    703: if ($input{tarball}) {
3.120     scop      704:   fatal('403 Forbidden', 'Downloading tarballs is prohibited.')
                    705:     unless $allow_tar;
3.191     scop      706:
3.120     scop      707:   my ($module)  =  ($where =~ m,^/?(.*),);    # untaint
                    708:   $module       =~ s,/([^/]*)$,,;
3.191     scop      709:   my ($ext)     =  ($1 =~ /(\.t(?:ar\.)?gz|\.zip)$/);
3.120     scop      710:   my ($basedir) =  ($module =~ m,([^/]+)$,);
                    711:
                    712:   if ($basedir eq '' || $module eq '') {
                    713:     fatal('500 Internal Error',
                    714:           'You cannot download the top level directory.');
                    715:   }
                    716:
3.191     scop      717:   my $istar = ($ext eq '.tar.gz' || $ext eq '.tgz');
                    718:   if ($istar) {
                    719:     fatal('500 Internal Error', 'tar command not found.') unless $CMD{tar};
                    720:     fatal('500 Internal Error', 'gzip command not found.') unless $CMD{gzip};
                    721:   }
                    722:   my $iszip = ($ext eq '.zip');
                    723:   if ($iszip && !$CMD{zip}) {
                    724:     fatal('500 Internal Error', 'zip command not found.');
                    725:   }
3.215     scop      726:   if (!$istar && !$iszip) {
                    727:     fatal('500 Internal Error', 'Unsupported archive type.');
                    728:   }
3.191     scop      729:
3.138     scop      730:   my $tmpexportdir;
                    731:   eval {
                    732:     local $SIG{__DIE__};
3.171     scop      733:     # Don't use the CLEANUP argument to tempdir() here, since we might be under
                    734:     # mod_perl (the process runs for a long time), unlink explicitly later.
                    735:     $tmpexportdir = tempdir('.cvsweb.XXXXXXXX', TMPDIR => 1);
3.138     scop      736:   };
                    737:   if ($@) {
                    738:     fatal('500 Internal Error', 'Unable to make temporary directory: %s', $@);
                    739:   }
3.191     scop      740:   if (!chdir($tmpexportdir)) {
                    741:     fatal('500 Internal Error',
                    742:           "Can't cd to temporary directory %s: %s", $tmpexportdir, $!);
                    743:   }
3.120     scop      744:
                    745:   my @fatal;
3.194     scop      746:   my $tag = $input{only_with_tag} || 'HEAD';
                    747:   $tag = 'HEAD' if ($tag eq 'MAIN');
3.120     scop      748:
3.215     scop      749:   my @cmd =
                    750:     ($CMD{cvs}, @cvs_options, '-Qd', $cvsroot, 'export', '-r', $tag, $module);
                    751:   my $export_err;
                    752:   my ($errcode, $err) = runproc(\@cmd, '2>', \$export_err);
                    753:   if ($errcode) {
                    754:     @fatal =
                    755:       ('500 Internal Error',
                    756:        'Export failure (exit status %s), output: <pre>%s</pre>',
                    757:        $errcode, $err || $export_err);
3.191     scop      758:
3.215     scop      759:   } else {
3.191     scop      760:
3.120     scop      761:     $| = 1;    # Essential to get the buffering right.
3.191     scop      762:     local (*TAR_OUT);
3.120     scop      763:
3.191     scop      764:     my (@cmd, $ctype);
                    765:     if ($istar) {
                    766:       my @tar = ($CMD{tar}, @tar_options, '-cf', '-', $basedir);
                    767:       my @gzip = ($CMD{gzip}, @gzip_options, '-c');
                    768:       push(@cmd, \@tar, '|', \@gzip);
                    769:       $ctype = 'application/x-gzip';
                    770:     } elsif ($iszip) {
                    771:       my @zip = ($CMD{zip}, @zip_options, '-r', '-', $basedir);
                    772:       push(@cmd, \@zip, \'');
                    773:       $ctype = 'application/zip';
                    774:     }
                    775:     push(@cmd, '>pipe', \*TAR_OUT, timeout(30));
                    776:
                    777:     my ($h, $err) = startproc(@cmd);
                    778:     if ($h) {
                    779:       print "Content-Type: $ctype\r\n\r\n";
                    780:       local $/ = undef;
                    781:       print <TAR_OUT>;
                    782:       finish($h);
3.120     scop      783:     } else {
3.215     scop      784:       @fatal = ('500 Internal Error',
                    785:                 '%s failure (exit status %s), output: <pre>%s</pre>',
                    786:                 $istar ? 'Tar' : 'Zip', $? >> 8 || -1, $err);
3.120     scop      787:     }
                    788:   }
3.46      knu       789:
3.171     scop      790:   # Clean up.
                    791:   rmtree($tmpexportdir);
3.46      knu       792:
3.120     scop      793:   &fatal(@fatal) if @fatal;
3.46      knu       794:
3.120     scop      795:   exit;
3.46      knu       796: }
                    797:
3.1       knu       798: ##############################
                    799: # View a directory
                    800: ###############################
3.46      knu       801: if (-d $fullname) {
3.120     scop      802:   my $dh = do { local (*DH); };
                    803:   opendir($dh, $fullname) or fatal("404 Not Found", '%s: %s', $where, $!);
                    804:   my @dir = readdir($dh);
                    805:   closedir($dh);
                    806:   my @subLevelFiles = findLastModifiedSubdirs(@dir)
                    807:     if ($show_subdir_lastmod);
3.150     scop      808:   my @unreadable = getDirLogs($cvsroot, $where, @subLevelFiles);
3.120     scop      809:
                    810:   if ($where eq '/') {
                    811:     html_header($defaulttitle);
                    812:     $long_intro =~ s/!!CVSROOTdescr!!/$CVSROOTdescr{$cvstree}/g;
                    813:     print $long_intro;
                    814:   } else {
                    815:     html_header($where);
3.212     scop      816:     my $html = (-f catfile($fullname, 'README.cvs.html,v') ||
                    817:                 -f catfile($fullname, 'Attic', 'README.cvs.html,v'));
                    818:     my $text = (!$html &&
                    819:                 (-f catfile($fullname, 'README.cvs,v') ||
                    820:                  -f catfile($fullname, 'Attic', 'README.cvs,v')));
                    821:     if ($html || $text) {
                    822:       my $rev = $input{only_with_tag} || 'HEAD';
                    823:       my $cr = abs_path($cvsroot) || $cvsroot;
                    824:       my $co = "$where/README.cvs.html" if $html;
                    825:       $co ||= "$where/README.cvs" if $text;
                    826:       # abs_path() taints when run as a CGI...
                    827:       if ($cr =~ VALID_PATH) {
                    828:         $cr = $1;
                    829:       } else {
                    830:         fatal('500 Internal Error', 'Illegal CVS root: <code>%s</code>', $cr);
                    831:       }
                    832:       my @cmd = ($CMD{cvs}, @cvs_options, '-d', $cr, 'co', '-p', "-r$rev",$co);
                    833:       local (*CVS_OUT, *CVS_ERR);
                    834:       my ($h, $err) = startproc(\@cmd, \"", '>pipe', \*CVS_OUT,
                    835:                                 '2>pipe', \*CVS_ERR, timeout(30));
                    836:       fatal('500 Internal Error', $err) unless $h;
                    837:       if ($html) {
                    838:         local $/ = undef;
                    839:         print <CVS_OUT>;
                    840:       } else {
                    841:         print "<p>\n";
                    842:         while (<CVS_OUT>) {
                    843:           chomp;
                    844:           print htmlquote($_), '<br />';
                    845:         }
                    846:         print "</p>";
                    847:       }
                    848:       finish($h);
                    849:     }
3.120     scop      850:     print $short_instruction;
                    851:   }
                    852:
3.165     scop      853:   if ($use_descriptions &&
                    854:       open(DESC, '<', catfile($cvsroot, 'CVSROOT', 'descriptions'))) {
3.120     scop      855:     while (<DESC>) {
                    856:       chomp;
                    857:       my ($dir, $description) = /(\S+)\s+(.*)/;
                    858:       $descriptions{$dir} = $description;
                    859:     }
                    860:     close(DESC);
                    861:   }
                    862:
                    863:   print "<p><a name=\"dirlist\"></a></p>\n";
                    864:
                    865:   # give direct access to dirs
                    866:   if ($where eq '/') {
                    867:     chooseMirror();
                    868:     chooseCVSRoot();
                    869:   } else {
                    870:     print "<p>Current directory: <b>", &clickablePath($where, 0), "</b></p>\n";
                    871:
3.153     scop      872:     print "<p>Current tag: <b>", htmlquote($input{only_with_tag}), "</b></p>\n"
3.120     scop      873:       if $input{only_with_tag};
                    874:
                    875:   }
                    876:
3.208     scop      877:   print "<hr />\n";
3.120     scop      878:
3.179     scop      879:   my $infocols = 1;
3.131     scop      880:
3.199     scop      881:   printf(<<EOF, htmlquote("Index of $where"));
3.182     scop      882: <table class="dir" width="100%%" cellspacing="0" cellpadding="$tablepadding" summary="%s">
3.179     scop      883: <tr>
                    884: EOF
3.199     scop      885:   printf('<th colspan="2"%s>', ($byfile ? ' class="sorted"' : ''));
3.131     scop      886:
                    887:   if ($byfile) {
                    888:     print 'File';
                    889:   } else {
                    890:     print &link('File',
                    891:                 sprintf('./%s#dirlist', toggleQuery('sortby', 'file')));
                    892:   }
                    893:   print "</th>\n";
3.120     scop      894:
3.131     scop      895:   # Do not display the other column headers if we do not have any files
                    896:   # with revision information.
                    897:   if (scalar(%fileinfo)) {
3.120     scop      898:     $infocols++;
3.199     scop      899:     printf('<th%s>', ($byrev ? ' class="sorted"' : ''));
3.120     scop      900:
3.131     scop      901:     if ($byrev) {
                    902:       print 'Rev.';
3.120     scop      903:     } else {
3.131     scop      904:       print &link('Rev.',
                    905:                   sprintf('./%s#dirlist', toggleQuery('sortby', 'rev')));
3.120     scop      906:     }
                    907:     print "</th>\n";
3.131     scop      908:     $infocols++;
3.199     scop      909:     printf('<th%s>', ($bydate ? ' class="sorted"' : ''));
3.120     scop      910:
3.131     scop      911:     if ($bydate) {
                    912:       print 'Age';
                    913:     } else {
                    914:       print &link('Age',
                    915:                   sprintf('./%s#dirlist', toggleQuery('sortby', 'date')));
                    916:     }
                    917:     print "</th>\n";
3.120     scop      918:
3.131     scop      919:     if ($show_author) {
3.120     scop      920:       $infocols++;
3.199     scop      921:       printf('<th%s>', ($byauthor ? ' class="sorted"' : ''));
3.120     scop      922:
3.131     scop      923:       if ($byauthor) {
                    924:         print 'Author';
3.120     scop      925:       } else {
3.131     scop      926:         print
                    927:           &link('Author',
                    928:                 sprintf('./%s#dirlist', toggleQuery('sortby', 'author')));
3.120     scop      929:       }
                    930:       print "</th>\n";
3.131     scop      931:     }
                    932:     $infocols++;
3.199     scop      933:     printf('<th%s>', ($bylog ? ' class="sorted"' : ''));
3.120     scop      934:
3.131     scop      935:     if ($bylog) {
                    936:       print 'Last log entry';
                    937:     } else {
                    938:       print &link('Last log entry',
                    939:                   sprintf('./%s#dirlist', toggleQuery('sortby', 'log')));
3.120     scop      940:     }
3.131     scop      941:     print "</th>\n";
                    942:   } elsif ($use_descriptions) {
3.199     scop      943:     print "<th>Description</th>\n";
3.131     scop      944:     $infocols++;
3.120     scop      945:   }
3.131     scop      946:   print "</tr>\n";
                    947:
3.120     scop      948:   my $dirrow = 0;
                    949:
                    950:   my $i;
                    951:   lookingforattic:
                    952:   for ($i = 0; $i <= $#dir; $i++) {
                    953:     if ($dir[$i] eq "Attic") {
                    954:       last lookingforattic;
                    955:     }
                    956:   }
                    957:
                    958:   if (!$input{'hideattic'}
                    959:       && ($i <= $#dir)
                    960:       && opendir($dh, $fullname . '/Attic'))
                    961:   {
                    962:     splice(@dir, $i, 1, grep((s|^|Attic/|, !m|/\.|), readdir($dh)));
                    963:     closedir($dh);
                    964:   }
                    965:
                    966:   my $hideAtticToggleLink =
                    967:     $input{'hideattic'}
                    968:     ? ''
                    969:     : &link('[Hide]', sprintf('./%s#dirlist', &toggleQuery('hideattic')));
                    970:
                    971:   # Sort without the Attic/ pathname.
                    972:   # place directories first
                    973:
                    974:   my $attic;
                    975:   my $url;
                    976:   my $fileurl;
                    977:   my $filesexists;
                    978:   my $filesfound;
                    979:
                    980:   foreach my $file (sort { &fileSortCmp } @dir) {
                    981:
3.196     scop      982:     next if ($file eq curdir());
3.120     scop      983:
                    984:     # ignore CVS lock and stale NFS files
                    985:     next if ($file =~ /^\#cvs\.|^,|^\.nfs/); # \# for XEmacs cperl-mode...
                    986:
                    987:     # Check whether to show the CVSROOT path
                    988:     next if ($input{'hidecvsroot'} && $file eq 'CVSROOT');
                    989:
                    990:     # Check whether the module is in the restricted list
                    991:     next if ($file && &forbidden_module($file));
                    992:
3.150     scop      993:     # Is it a directory?
                    994:     my $isdir = -d "$fullname/$file";
                    995:
                    996:     # Ignore non-readable files and directories?
                    997:     next if ($input{'hidenonreadable'} && (! -r _ || ($isdir && ! -x _)));
3.120     scop      998:
                    999:     if ($file =~ s|^Attic/||) {
3.131     scop     1000:       $attic = ' (in&nbsp;the&nbsp;Attic)&nbsp;' . $hideAtticToggleLink;
3.120     scop     1001:     } else {
                   1002:       $attic = '';
                   1003:     }
                   1004:
3.196     scop     1005:     if ($file eq updir() || $isdir) {
                   1006:       next if ($file eq updir() && $where eq '/');
3.152     scop     1007:       my ($rev, $date, $log, $author, $filename, $keywordsubst) =
                   1008:         @{$fileinfo{$file}} if (defined($fileinfo{$file}));
3.199     scop     1009:       printf "<tr class=\"%s\">\n<td colspan=\"2\">",
3.132     scop     1010:         ($dirrow % 2) ? 'even' : 'odd';
3.120     scop     1011:
3.196     scop     1012:       if ($file eq updir()) {
3.120     scop     1013:         $url = "../$query";
                   1014:         if ($nofilelinks) {
                   1015:           print $backicon;
                   1016:         } else {
                   1017:           print &link($backicon, $url);
                   1018:         }
                   1019:         print '&nbsp;', &link("Parent Directory", $url);
                   1020:       } else {
                   1021:         $url = './' . urlencode($file) . "/$query";
3.136     scop     1022:         print '<a name="', hrefquote($file), '"></a>';
3.120     scop     1023:
                   1024:         if ($nofilelinks) {
                   1025:           print $diricon;
                   1026:         } else {
                   1027:           print &link($diricon, $url);
                   1028:         }
3.136     scop     1029:         print '&nbsp;', &link(htmlquote("$file/"), $url), $attic;
3.120     scop     1030:
                   1031:         if ($file eq "Attic") {
                   1032:           print "&nbsp; ";
                   1033:           print &link('[Don\'t hide]',
                   1034:                       sprintf('./%s#dirlist', &toggleQuery('hideattic')));
                   1035:         }
                   1036:       }
                   1037:
                   1038:       # Show last change in dir
                   1039:       if ($filename) {
3.199     scop     1040:         print "</td>\n<td>&nbsp;</td>\n<td class=\"age\">";
                   1041:         print readableTime(time() - $date, 0) if $date;
                   1042:         print "</td>\n<td class=\"author\">", htmlquote($author)
                   1043:           if $show_author;
                   1044:         print "</td>\n<td class=\"log\">";
3.120     scop     1045:         $filename =~ s%^[^/]+/%%;
3.199     scop     1046:         print &link(htmlquote("$filename/$rev"),
                   1047:                     sprintf('%s/%s%s#rev%s',
3.206     scop     1048:                             uri_escape($file), uri_escape($filename),
3.208     scop     1049:                             $query, $rev)), '<br />';
3.120     scop     1050:         if ($log) {
3.199     scop     1051:           print htmlify(substr($log, 0, $shortLogLen), $allow_dir_extra);
3.120     scop     1052:           print '...' if (length($log) > 80);
                   1053:         }
3.199     scop     1054:
3.120     scop     1055:       } else {
                   1056:         my $dwhere = ($where ne '/' ? $where : '') . $file;
                   1057:
                   1058:         if ($use_descriptions && defined $descriptions{$dwhere}) {
3.199     scop     1059:           print '<td colspan="', ($infocols - 1), '">';
3.120     scop     1060:           print $descriptions{$dwhere};
                   1061:
3.131     scop     1062:         } elsif ($infocols > 1) {
3.120     scop     1063:
                   1064:           # close the row with the appropriate number of
                   1065:           # columns, so that the vertical seperators are visible
                   1066:           my ($cols) = $infocols;
                   1067:           while ($cols > 1) {
                   1068:             print "</td>\n<td>&nbsp;";
                   1069:             $cols--;
                   1070:           }
                   1071:         }
                   1072:       }
                   1073:
3.131     scop     1074:       print "</td>\n</tr>\n";
3.120     scop     1075:       $dirrow++;
3.131     scop     1076:
3.120     scop     1077:     } elsif ($file =~ s/,v$//) {
                   1078:
                   1079:       # Skip forbidden files now so we'll give no hint
                   1080:       # about their existence.  This should probably have
                   1081:       # been done earlier, but it's straightforward here.
                   1082:       next if forbidden_file("$fullname/$file");
                   1083:
                   1084:       $fileurl   = ($attic ? 'Attic/' : '') . urlencode($file);
                   1085:       $url       = './' . $fileurl . $query;
                   1086:       $filesexists++;
                   1087:       next if (!defined($fileinfo{$file}));
3.152     scop     1088:       my ($rev, $date, $log, $author, $filename, $keywordsubst) =
                   1089:         @{$fileinfo{$file}};
3.156     scop     1090:       my $isbinary = $keywordsubst eq 'b' ? 1 : 0;
3.120     scop     1091:       $filesfound++;
3.156     scop     1092:
3.199     scop     1093:       printf "<tr class=\"%s\">\n", ($dirrow % 2) ? 'even' : 'odd';
3.132     scop     1094:       printf '<td%s>', $allow_cvsgraph ? '' : ' colspan="2"';
3.120     scop     1095:
3.156     scop     1096:       my $icon = $isbinary ? $binfileicon : $fileicon;
3.120     scop     1097:       if ($nofilelinks) {
3.152     scop     1098:         print $icon;
3.120     scop     1099:       } else {
3.152     scop     1100:         print &link($icon, $url);
3.120     scop     1101:       }
                   1102:       print '&nbsp;', &link(htmlquote($file), $url), $attic;
3.199     scop     1103:       print '</td><td class="graph">', graph_link($fileurl) if $allow_cvsgraph;
3.219     scop     1104:       print "</td>\n<td width=\"30\">", display_link($fileurl, $rev);
3.199     scop     1105:       print "</td>\n<td class=\"age\">";
                   1106:       print readableTime(time() - $date, 0) if $date;
                   1107:       print "</td>\n<td class=\"author\">", htmlquote($author) if $show_author;
                   1108:       print "</td>\n<td class=\"log\">";
3.120     scop     1109:
                   1110:       if ($log) {
3.199     scop     1111:         print htmlify(substr($log, 0, $shortLogLen), $allow_dir_extra);
3.120     scop     1112:         print '...' if (length $log > 80);
                   1113:       }
3.131     scop     1114:       print "</td>\n</tr>";
3.120     scop     1115:       $dirrow++;
                   1116:     }
                   1117:     print "\n";
                   1118:   }
                   1119:
3.131     scop     1120:   print "</table>\n";
3.120     scop     1121:
3.150     scop     1122:   if ((my $num = scalar(@unreadable)) && ! $input{hidenonreadable}) {
                   1123:     printf(<<EOF, $num, htmlquote(join(', ', @unreadable)));
                   1124: <p>
3.208     scop     1125:  <b>NOTE:</b> The following %d unreadable files were ignored:<br />
3.150     scop     1126:  <em>%s</em>
                   1127: </p>
                   1128: EOF
                   1129:   }
                   1130:
3.120     scop     1131:   if ($filesexists && !$filesfound) {
3.150     scop     1132:     my $currtag = defined($input{only_with_tag}) ?
                   1133:       sprintf(' (%s)', htmlquote($input{only_with_tag})) : '';
                   1134:     printf(<<EOF, $filesexists, $currtag);
                   1135: <p>
                   1136:  <b>NOTE:</b> There are %d files, but none matches the current tag%s.
                   1137: </p>
                   1138: EOF
3.120     scop     1139:   }
                   1140:
                   1141:   if ($input{only_with_tag} && (!%tags || !$tags{$input{only_with_tag}})) {
                   1142:     %tags = %alltags;
                   1143:   }
                   1144:
                   1145:   if (scalar %tags
                   1146:       || $input{only_with_tag}
                   1147:       || $edit_option_form
                   1148:       || defined($input{"options"}))
                   1149:   {
3.208     scop     1150:     print "<hr />\n";
3.120     scop     1151:   }
                   1152:
                   1153:   if (scalar %tags || $input{only_with_tag}) {
3.208     scop     1154:     print "<form method=\"get\" action=\"./\">\n<p>\n";
3.120     scop     1155:     foreach my $var (@stickyvars) {
3.208     scop     1156:       printf("<input type=\"hidden\" name=\"$var\" value=\"%s\" />\n",
3.154     scop     1157:              htmlquote($input{$var}))
3.120     scop     1158:         if (defined($input{$var})
                   1159:             && (!defined($DEFAULTVALUE{$var})
                   1160:                 || $input{$var} ne $DEFAULTVALUE{$var})
                   1161:             && $var ne 'only_with_tag');
                   1162:     }
3.208     scop     1163:     printf(<<EOF, ($use_java_script ? ' onchange="this.form.submit()"' : ''));
                   1164: <label for="only_with_tag" accesskey="T">Show only files with tag:
                   1165: <select id="only_with_tag" name="only_with_tag"%s>
                   1166: <option value="">All tags / default branch</option>
                   1167: EOF
3.120     scop     1168:     foreach my $tag (reverse sort { lc $a cmp lc $b } keys %tags) {
3.136     scop     1169:       my $selected =
                   1170:         defined($input{only_with_tag}) && $input{only_with_tag} eq $tag;
                   1171:       printf("<option%s>%s</option>\n",
3.208     scop     1172:              $selected ? ' selected="selected"' : '',
3.136     scop     1173:              htmlquote($tag));
3.120     scop     1174:     }
3.208     scop     1175:     printf(<<EOF, htmlquote($where));
                   1176: </select>
                   1177: </label>&nbsp;<label for="path" accesskey="P">Module path or alias:
                   1178: <input type="text" id="path" name="path" value="%s" size="15" /></label>
                   1179: <input type="submit" value="Go" accesskey="G" />
                   1180: </p>
                   1181: </form>
                   1182: EOF
3.120     scop     1183:   }
                   1184:
3.188     scop     1185:   if ($allow_tar && $filesfound) {
3.120     scop     1186:     my ($basefile) = ($where =~ m,(?:.*/)?([^/]+),);
3.192     scop     1187:     my $havetar = $CMD{tar} && $CMD{gzip};
                   1188:     my $havezip = $CMD{zip};
                   1189:     if (defined($basefile) && $basefile ne '' && ($havetar || $havezip)) {
3.203     scop     1190:       my $q = ($query ? "$query;" : '?') . 'tarball=1';
3.208     scop     1191:       print "<hr />\n",
3.189     scop     1192:         '<div style="text-align: center">Download this directory in ';
3.192     scop     1193:       # Mangle the filename so browsers show a reasonable filename to download.
                   1194:       my @types = ();
                   1195:       push(@types, &link('tarball', "$basefile.tar.gz$q")) if $havetar;
                   1196:       push(@types, &link('zip archive', "$basefile.zip$q")) if $havezip;
                   1197:       print join(' or ', @types), "</div>\n";
3.120     scop     1198:     }
                   1199:   }
                   1200:
                   1201:   if ($edit_option_form || defined($input{"options"})) {
                   1202:
                   1203:     my $formwhere = $scriptwhere;
                   1204:     $formwhere =~ s|Attic/?$|| if ($input{'hideattic'});
                   1205:
3.149     scop     1206:     print <<EOF;
                   1207: <form method="get" action="${formwhere}">
3.189     scop     1208: <fieldset>
                   1209: <legend>General options</legend>
3.208     scop     1210: <input type="hidden" name="copt" value="1" />
3.149     scop     1211: EOF
3.120     scop     1212:     if ($cvstree ne $cvstreedefault) {
3.208     scop     1213:       print "<input type=\"hidden\" name=\"cvsroot\" value=\"$cvstree\" />\n";
3.120     scop     1214:     }
3.149     scop     1215:     print <<EOF;
3.189     scop     1216: <table>
3.149     scop     1217: <tr>
3.189     scop     1218: <td class="opt-label">
                   1219: <label for="sortby" accesskey="F">Sort files by:</label>
                   1220: </td>
                   1221: <td class="opt-value">
3.149     scop     1222: <select id="sortby" name="sortby">
                   1223: <option value="">File</option>
                   1224: EOF
3.208     scop     1225:     print "<option", $bydate ? ' selected="selected"' : '',
3.120     scop     1226:       " value=\"date\">Age</option>\n";
3.208     scop     1227:     print "<option", $byauthor ? ' selected="selected"' : '',
3.120     scop     1228:       " value=\"author\">Author</option>\n"
3.140     scop     1229:         if $show_author;
3.208     scop     1230:     print "<option", $byrev ? ' selected="selected"' : '',
3.120     scop     1231:       " value=\"rev\">Revision</option>\n";
3.208     scop     1232:     print "<option", $bylog ? ' selected="selected"' : '',
3.120     scop     1233:       " value=\"log\">Log message</option>\n";
3.189     scop     1234:     print <<EOF;
                   1235: </select>,
                   1236: <label for="ignorecase" accesskey="I">case-insensitive:
                   1237: EOF
                   1238:     print '<input id="ignorecase" name="ignorecase" type="checkbox"',
3.208     scop     1239:       $input{ignorecase} ? ' checked="checked"' : '',
                   1240:         " value=\"1\" /></label>\n";
3.189     scop     1241:     print <<EOF;
                   1242: </td>
                   1243: <td class="opt-label">
                   1244: <label for="hideattic" accesskey="A">Hide files in Attic:</label>
                   1245: </td>
                   1246: <td class="opt-value">
                   1247: EOF
                   1248:     print '<input id="hideattic" name="hideattic" type="checkbox"',
3.208     scop     1249:       $input{hideattic} ? ' checked="checked"' : '', ' value="1" />';
3.189     scop     1250:     print <<EOF;
                   1251: </td>
                   1252: </tr>
                   1253: <tr>
                   1254: <td class="opt-label">
                   1255: <label for="logsort" accesskey="L">Sort log by:</label>
                   1256: </td>
                   1257: <td class="opt-value">
                   1258: EOF
3.120     scop     1259:     printLogSortSelect(0);
3.189     scop     1260:     print <<EOF;
                   1261: </td>
                   1262: <td class="opt-label">
                   1263: <label for="ln" accesskey="N">Show line numbers:</label>
                   1264: </td>
                   1265: <td class="opt-value">
                   1266: EOF
                   1267:     print '<input id="ln" name="ln" type="checkbox"',
3.208     scop     1268:       $input{ln} ? ' checked="checked"' : '', " value=\"1\" />\n";
3.189     scop     1269:     print <<EOF;
                   1270: </td>
                   1271: </tr>
                   1272: <tr>
                   1273: <td class="opt-label">
                   1274: <label for="f" accesskey="D">Diff format:</label>
                   1275: </td>
                   1276: <td>
                   1277: EOF
3.120     scop     1278:     printDiffSelect(0);
3.149     scop     1279:     print <<EOF;
3.189     scop     1280: </td>
                   1281: <td colspan="2" class="opt-label">
3.208     scop     1282: <input type="submit" value="Change Options" accesskey="C" />
3.189     scop     1283: </td>
3.149     scop     1284: </tr>
                   1285: </table>
3.189     scop     1286: </fieldset>
3.149     scop     1287: </form>
                   1288: EOF
3.120     scop     1289:   }
                   1290:   html_footer();
3.80      knu      1291: }
3.1       knu      1292:
                   1293: ###############################
                   1294: # View Files
                   1295: ###############################
3.80      knu      1296: elsif (-f $fullname . ',v') {
3.114     scop     1297:
3.120     scop     1298:   if (forbidden_file($fullname)) {
                   1299:     fatal('403 Forbidden',
                   1300:           'Access forbidden.  This file is mentioned in @ForbiddenFiles');
                   1301:     return;
                   1302:   }
                   1303:
                   1304:   if (defined($input{'rev'}) || $doCheckout) {
                   1305:     &doCheckout($fullname, $input{'rev'});
                   1306:     gzipclose();
                   1307:     exit;
                   1308:   }
                   1309:
                   1310:   if (defined($input{'annotate'}) && $allow_annotate) {
                   1311:     &doAnnotate($input{'annotate'});
                   1312:     gzipclose();
                   1313:     exit;
                   1314:   }
                   1315:
                   1316:   if (defined($input{'r1'}) && defined($input{'r2'})) {
                   1317:     &doDiff($fullname,    $input{'r1'},  $input{'tr1'},
                   1318:             $input{'r2'}, $input{'tr2'}, $input{'f'});
                   1319:     gzipclose();
                   1320:     exit;
                   1321:   }
3.132     scop     1322:
3.170     scop     1323:   if ($allow_cvsgraph && $input{graph}) {
                   1324:     if ($input{makeimage}) {
                   1325:       doGraph();
3.132     scop     1326:     } else {
3.170     scop     1327:       doGraphView();
3.132     scop     1328:     }
                   1329:     gzipclose();
                   1330:     exit;
                   1331:   }
                   1332:
3.120     scop     1333:   &doLog($fullname);
                   1334:
                   1335:   ##############################
                   1336:   # View Diff
                   1337:   ##############################
                   1338: } elsif ($fullname =~ s/\.diff$//
                   1339:          && -f $fullname . ",v"
                   1340:          && $input{'r1'}
                   1341:          && $input{'r2'})
                   1342: {
                   1343:
                   1344:   # $where-diff-removal if 'cvs rdiff' is used
                   1345:   # .. but 'cvs rdiff'doesn't support some options
                   1346:   # rcsdiff does (-w and -p), so it is disabled
                   1347:   # $where =~ s/\.diff$//;
                   1348:
3.189     scop     1349:   # Allow diffs using the ".diff" extension so that browsers that default
                   1350:   # to the filename in the URL when saving don't save diffs as eg. foo.c.
3.120     scop     1351:   &doDiff($fullname,    $input{'r1'},  $input{'tr1'},
                   1352:           $input{'r2'}, $input{'tr2'}, $input{'f'});
                   1353:   gzipclose();
                   1354:   exit;
                   1355: } elsif (($newname = $fullname) =~ s|/([^/]+)$|/Attic/$1|
                   1356:   && -f $newname . ",v")
                   1357: {
                   1358:
                   1359:   # The file has been removed and is in the Attic.
                   1360:   # Send a redirect pointing to the file in the Attic.
                   1361:   (my $newplace = $scriptwhere) =~ s|/([^/]+)$|/Attic/$1|;
                   1362:   if ($ENV{QUERY_STRING} ne "") {
                   1363:     redirect("${newplace}?$ENV{QUERY_STRING}");
                   1364:   } else {
                   1365:     redirect($newplace);
                   1366:   }
                   1367:   exit;
3.80      knu      1368: } elsif (0 && (my @files = &safeglob($fullname . ",v"))) {
3.120     scop     1369:   http_header("text/plain");
                   1370:   print "You matched the following files:\n";
                   1371:   print join ("\n", @files);
3.80      knu      1372:
3.120     scop     1373:   # Find the tags from each file
                   1374:   # Display a form offering diffs between said tags
3.80      knu      1375: } else {
3.120     scop     1376:   my $fh = do { local (*FH); };
                   1377:   my ($xtra, $module);
3.80      knu      1378:
3.120     scop     1379:   # Assume it's a module name with a potential path following it.
                   1380:   $xtra = (($module = $where) =~ s|/.*||) ? $& : '';
3.80      knu      1381:
3.120     scop     1382:   # Is there an indexed version of modules?
                   1383:   if (open($fh, "< $cvsroot/CVSROOT/modules")) {
                   1384:     while (<$fh>) {
                   1385:       if (/^(\S+)\s+(\S+)/o
                   1386:           && $module eq $1
                   1387:           && -d "$cvsroot/$2"
                   1388:           && $module ne $2)
                   1389:       {
                   1390:         redirect("$scriptname/$2$xtra$query");
                   1391:       }
                   1392:     }
                   1393:   }
                   1394:   fatal("404 Not Found", '%s: no such file or directory', $where);
3.80      knu      1395: }
3.23      knu      1396:
3.25      knu      1397: gzipclose();
3.80      knu      1398:
3.1       knu      1399: ## End MAIN
                   1400:
3.175     scop     1401:
3.120     scop     1402: sub printDiffSelect($)
                   1403: {
                   1404:   my ($use_java_script) = @_;
                   1405:
                   1406:   print '<select id="f" name="f"';
                   1407:   print ' onchange="this.form.submit()"' if $use_java_script;
                   1408:   print ">\n";
                   1409:
3.175     scop     1410:   for my $difftype (@DIFFTYPES) {
3.120     scop     1411:     printf("<option value=\"%s\"%s>%s</option>\n",
3.208     scop     1412:            $difftype, $input{f} eq $difftype ? ' selected="selected"' : '',
3.175     scop     1413:            "\u$DIFFTYPES{$difftype}{descr}");
3.120     scop     1414:   }
                   1415:
                   1416:   print "</select>";
                   1417: }
                   1418:
3.175     scop     1419:
3.168     scop     1420: sub printDiffSelectStickyVars()
                   1421: {
                   1422:   while (my ($key, $val) = each %input) {
                   1423:     next if ($key eq 'f');
                   1424:     next if (defined($DEFAULTVALUE{$key}) && $DEFAULTVALUE{$key} eq $val);
3.206     scop     1425:     print "<input type=\"hidden\" name=\"", htmlquote($key), "\" value=\"",
3.208     scop     1426:       htmlquote($val), "\" />\n";
3.168     scop     1427:   }
                   1428: }
                   1429:
3.175     scop     1430:
3.120     scop     1431: sub printLogSortSelect($)
                   1432: {
                   1433:   my ($use_java_script) = @_;
                   1434:
                   1435:   print '<select id="logsort" name="logsort"';
                   1436:   print ' onchange="this.form.submit()"' if $use_java_script;
                   1437:   print ">\n";
                   1438:
3.175     scop     1439:   for my $sortkey (@LOGSORTKEYS) {
3.120     scop     1440:     printf("<option value=\"%s\"%s>%s</option>\n",
3.208     scop     1441:            $sortkey, $logsort eq $sortkey ? ' selected="selected"' : '',
3.175     scop     1442:            "\u$LOGSORTKEYS{$sortkey}{descr}");
3.120     scop     1443:   }
                   1444:
                   1445:   print "</select>";
                   1446: }
                   1447:
3.175     scop     1448:
3.197     scop     1449: #
                   1450: # Find the last modified, version controlled files in the given directories.
                   1451: # Compares solely based on modification timestamps.  Files in the returned list
                   1452: # are without the ,v suffix, and unreadable files have been filtered out.
                   1453: #
3.120     scop     1454: sub findLastModifiedSubdirs(@)
                   1455: {
                   1456:   my (@dirs) = @_;
                   1457:
3.175     scop     1458:   my @files;
                   1459:   foreach my $dirname (@dirs) {
3.196     scop     1460:     next if ($dirname eq curdir() || $dirname eq updir());
                   1461:     my $dir = catdir($fullname, $dirname);
3.120     scop     1462:     next if (!-d $dir);
                   1463:
                   1464:     my $dh = do { local (*DH); };
                   1465:     opendir($dh, $dir) or next;
                   1466:     my (@filenames) = readdir($dh);
                   1467:     closedir($dh);
                   1468:
3.175     scop     1469:     my $lastmod     = undef;
                   1470:     my $lastmodtime = undef;
3.120     scop     1471:     foreach my $filename (@filenames) {
3.197     scop     1472:       ($filename) =
                   1473:         (catfile($dirname, $filename) =~ VALID_PATH) or next; # untaint
3.196     scop     1474:       my ($file) = catfile($fullname, $filename);
3.197     scop     1475:       next if ($filename !~ /,v$/o || !-f $file || !-r _);
3.120     scop     1476:
                   1477:       # Skip forbidden files.
                   1478:       (my $f = $file) =~ s/,v$//;
                   1479:       next if forbidden_file($f);
                   1480:
                   1481:       $filename =~ s/,v$//;
3.197     scop     1482:       my $modtime = -M _;
3.221     scop     1483:
3.120     scop     1484:       if (!defined($lastmod) || $modtime < $lastmodtime) {
                   1485:         $lastmod     = $filename;
                   1486:         $lastmodtime = $modtime;
                   1487:       }
                   1488:     }
3.175     scop     1489:     push(@files, $lastmod) if (defined($lastmod));
3.120     scop     1490:   }
                   1491:   return @files;
                   1492: }
                   1493:
3.175     scop     1494:
3.120     scop     1495: sub htmlify_sub(&$)
                   1496: {
                   1497:   (my $proc, local $_) = @_;
                   1498:   my @a = split (m`(<a [^>]+>[^<]*</a>)`i);
                   1499:   my $linked;
                   1500:   my $result = '';
                   1501:
                   1502:   while (($_, $linked) = splice(@a, 0, 2)) {
                   1503:     &$proc();
                   1504:     $result .= $_      if defined($_);
                   1505:     $result .= $linked if defined($linked);
                   1506:   }
                   1507:
3.175     scop     1508:   return $result;
3.120     scop     1509: }
                   1510:
3.175     scop     1511:
3.120     scop     1512: sub htmlify($;$)
                   1513: {
                   1514:   (local $_, my $extra) = @_;
                   1515:
                   1516:   $_ = htmlquote($_);
                   1517:
                   1518:   # get URL's as link
                   1519:   s{
3.130     scop     1520:     ((https?|ftp)://.+?)([\s\']|&(quot|[lg]t);)
3.120     scop     1521:    }{
3.130     scop     1522:      &link($1, htmlunquote($1)) . $3
3.120     scop     1523:    }egx;
                   1524:
                   1525:   # get e-mails as link
                   1526:   $_ = htmlify_sub {
                   1527:     s<
                   1528:       [\w+=\-.!]+@[\w\-]+(\.[\w\-]+)+
                   1529:      ><
                   1530:        &link($&, "mailto:$&")
                   1531:      >egix;
                   1532:   } $_;
                   1533:
                   1534:   if ($extra) {
                   1535:
                   1536:     # get PR #'s as link: "PR#nnnn" "PR: nnnn, ..." "PR nnnn, ..." "bin/nnnn"
                   1537:     if (defined($prcgi) && defined($re_prkeyword)) {
                   1538:       my $prev;
                   1539:
                   1540:       do {
                   1541:         $prev = $_;
                   1542:
                   1543:         $_ = htmlify_sub {
                   1544:           s{
                   1545:             (\b$re_prkeyword[:\#]?\s*
                   1546:              (?:
                   1547:               \#?
                   1548:               \d+[,\s]\s*
                   1549:              )*
                   1550:              \#?)
                   1551:             (\d+)\b
                   1552:            }{
                   1553:              $1 . &link($2, sprintf($prcgi, $2))
                   1554:            }egix;
                   1555:         } $_;
                   1556:       } while ($_ ne $prev);
                   1557:
                   1558:       if (defined($re_prcategories)) {
                   1559:         $_ = htmlify_sub {
                   1560:           s{
                   1561:             (\b$re_prcategories/(\d+)\b)
                   1562:            }{
                   1563:              &link($1, sprintf($prcgi, $2))
                   1564:            }egox;
                   1565:         } $_;
                   1566:       }
                   1567:     }
                   1568:
                   1569:     # get manpage specs as link: "foo.1" "foo(1)"
                   1570:     if (defined($mancgi)) {
                   1571:       $_ = htmlify_sub {
                   1572:         s{
3.143     knu      1573:           (
                   1574:            \b ( \w[\w+\-.]* (?: ::\w[\w+\-.]*)* )
3.120     scop     1575:            (?:
3.143     knu      1576:             \( ([0-9n]) \) \B
3.120     scop     1577:             |
3.143     knu      1578:             \. ([0-9n]) \b
3.120     scop     1579:            )
                   1580:           )
                   1581:          }{
3.149     scop     1582:             my($text, $name, $section) = ($1, $2, defined($3) ? $3 : $4);
                   1583:             ($name =~ /[A-Za-z]/ && $name !~ /\.(:|$)/)
                   1584:              ? &link($text, sprintf($mancgi, $section, $name))
                   1585:               : $text;
3.120     scop     1586:          }egx;
                   1587:       } $_;
                   1588:     }
                   1589:   }
                   1590:
3.175     scop     1591:   return $_;
3.120     scop     1592: }
                   1593:
3.175     scop     1594:
3.120     scop     1595: sub spacedHtmlText($;$)
                   1596: {
3.175     scop     1597:   (local $_, my $ts) = @_;
3.224     scop     1598:   return '' unless defined($_);
3.175     scop     1599:   $ts ||= $tabstop;
3.120     scop     1600:
                   1601:   # Cut trailing spaces and tabs
                   1602:   s/[ \t]+$//;
                   1603:
                   1604:   if (defined($ts)) {
                   1605:
                   1606:     # Expand tabs
                   1607:     1 while s/\t+/' ' x (length($&) * $ts - length($`) % $ts)/e;
                   1608:   }
                   1609:
                   1610:   # replace <tab> and <space> (\001 is to protect us from htmlify)
                   1611:   # gzip can make excellent use of this repeating pattern :-)
                   1612:   if ($hr_breakable) {
                   1613:
                   1614:     # make every other space 'breakable'
                   1615:     s/  / \001nbsp;/g;    # 2 * <space>
                   1616:                           # leave single space as it is
                   1617:   } else {
                   1618:     s/ /\001nbsp;/g;
                   1619:   }
                   1620:
                   1621:   $_ = htmlify($_, $allow_source_extra);
                   1622:
                   1623:   # unescape
                   1624:   y/\001/&/;
                   1625:
                   1626:   return $_;
                   1627: }
                   1628:
3.175     scop     1629:
3.120     scop     1630: # Note that this doesn't htmlquote the first argument...
                   1631: sub link($$)
                   1632: {
                   1633:   my ($name, $url) = @_;
                   1634:
                   1635:   $url =~ s/:/sprintf("%%%02x", ord($&))/eg
                   1636:     if $url =~ /^[^a-z]/;    # relative
                   1637:
                   1638:   sprintf '<a href="%s">%s</a>', hrefquote($url), $name;
                   1639: }
                   1640:
3.175     scop     1641:
3.120     scop     1642: sub revcmp($$)
                   1643: {
                   1644:   my ($rev1, $rev2) = @_;
                   1645:
                   1646:   # make no comparison for a tag or a branch
                   1647:   return 0 if $rev1 =~ /[^\d.]/ || $rev2 =~ /[^\d.]/;
                   1648:
                   1649:   my (@r1) = split (/\./, $rev1);
                   1650:   my (@r2) = split (/\./, $rev2);
                   1651:   my ($a, $b);
                   1652:
                   1653:   while (($a = shift (@r1)) && ($b = shift (@r2))) {
                   1654:     if ($a != $b) {
                   1655:       return $a <=> $b;
                   1656:     }
                   1657:   }
                   1658:   if (@r1) { return  1; }
                   1659:   if (@r2) { return -1; }
                   1660:   return 0;
                   1661: }
                   1662:
3.175     scop     1663:
3.120     scop     1664: sub fatal($$@)
                   1665: {
                   1666:   my ($errcode, $format, @args) = @_;
3.185     scop     1667:   print "Status: $errcode\r\n";
3.131     scop     1668:   html_header('Error');
3.215     scop     1669:   print '<div id="error">Error: ',
                   1670:     sprintf($format, map(htmlquote($_), @args)), "</div>\n";
3.120     scop     1671:   html_footer();
                   1672:   exit(1);
                   1673: }
                   1674:
3.175     scop     1675:
3.120     scop     1676: sub redirect($)
                   1677: {
                   1678:   my ($url) = @_;
3.185     scop     1679:   print "Status: 301 Moved\r\n", "Location: $url\r\n";
3.131     scop     1680:   html_header('Moved');
3.120     scop     1681:   print "<p>This document is located ", &link('here', $url), "</p>\n";
                   1682:   html_footer();
                   1683:   exit(1);
                   1684: }
                   1685:
3.175     scop     1686:
3.120     scop     1687: sub safeglob($)
                   1688: {
                   1689:   my ($filename) = @_;
                   1690:
3.175     scop     1691:   (my $dirname = $filename) =~ s|/[^/]+$||;
3.120     scop     1692:   $filename =~ s|.*/||;
                   1693:
3.175     scop     1694:   my @results;
                   1695:   my $dh = do { local (*DH); };
3.120     scop     1696:   if (opendir($dh, $dirname)) {
                   1697:     my $glob = $filename;
                   1698:     my $t;
                   1699:
3.149     scop     1700:     #   transform filename from glob to regex.  Deal with:
                   1701:     #   [, {, ?, * as glob chars
                   1702:     #   make sure to escape all other regex chars
3.120     scop     1703:     $glob =~ s/([\.\(\)\|\+])/\\$1/g;
                   1704:     $glob =~ s/\*/.*/g;
                   1705:     $glob =~ s/\?/./g;
                   1706:     $glob =~ s/{([^}]+)}/($t = $1) =~ s-,-|-g; "($t)"/eg;
3.222     scop     1707:     $glob = qr/^$glob$/;
                   1708:
3.120     scop     1709:     foreach (readdir($dh)) {
3.222     scop     1710:       if ($_ =~ $glob && $_ =~ VALID_PATH) {
3.194     scop     1711:         push(@results, catfile($dirname, $1)); # untaint
3.120     scop     1712:       }
                   1713:     }
                   1714:     closedir($dh);
                   1715:   }
                   1716:
3.175     scop     1717:   return @results;
3.120     scop     1718: }
                   1719:
3.160     scop     1720:
3.120     scop     1721: sub search_path($)
                   1722: {
                   1723:   my ($command) = @_;
3.160     scop     1724:   for my $d (split (/:/, $command_path)) {
3.120     scop     1725:     return "$d/$command" if -x "$d/$command";
                   1726:   }
                   1727:   return '';
                   1728: }
                   1729:
3.156     scop     1730:
3.219     scop     1731: #
                   1732: # Gets the enscript(1) highlight mode corresponding to the given filename,
                   1733: # or undef if unsupported.
                   1734: #
                   1735: sub getEnscriptHL($)
                   1736: {
                   1737:   return undef unless $allow_enscript;
                   1738:   my ($filename) = @_;
                   1739:   while (my ($hl, $regex) = each %enscript_types) {
                   1740:     return $hl if ($filename =~ $regex);
                   1741:   }
                   1742:   return undef;
                   1743: }
                   1744:
                   1745:
                   1746: #
                   1747: # Gets the MIME type for the given file name.
                   1748: #
3.156     scop     1749: sub getMimeType($;$)
3.120     scop     1750: {
3.156     scop     1751:   my ($fullname, $binary) = @_;
                   1752:   $binary = ($keywordsubstitution && $keywordsubstitution =~ /b/)
                   1753:     unless defined($binary);
                   1754:
                   1755:   (my $suffix = $fullname) =~ s/^.*\.([^.]*)$/$1/;
                   1756:
                   1757:   my $mimetype = $MTYPES{$suffix};
                   1758:   $mimetype  ||= $MimeTypes->mimeTypeOf($fullname) if defined($MimeTypes);
                   1759:
                   1760:   if (!$mimetype && $suffix ne '*' && -f $mime_types && -r _) {
                   1761:     my $fh = do { local (*FH); };
                   1762:     if (open($fh, $mime_types)) {
                   1763:       my $re = sprintf('^\s*(\S+\/\S+)\s.+\b%s\b', quotemeta($suffix));
3.222     scop     1764:       $re = qr/$re/;
3.156     scop     1765:       while (my $line = <$fh>) {
                   1766:         if ($line =~ $re) {
                   1767:           $mimetype = $1;
                   1768:           $MTYPES{$suffix} = $mimetype;
                   1769:           last;
                   1770:         }
3.120     scop     1771:       }
3.156     scop     1772:       close($fh);
                   1773:     } else {
                   1774:       warn("Can't open MIME types file $mime_types for reading: $!");
3.120     scop     1775:     }
                   1776:   }
                   1777:
3.156     scop     1778:   $mimetype ||= $MTYPES{'*'};
                   1779:   $mimetype ||= $binary ? 'application/octet-stream' : 'text/plain';
3.120     scop     1780:   return $mimetype;
3.1       knu      1781: }
                   1782:
3.156     scop     1783:
3.1       knu      1784: ###############################
3.24      knu      1785: # read first lines like head(1)
                   1786: ###############################
3.120     scop     1787: sub head($;$)
                   1788: {
3.175     scop     1789:   my ($fh, $linecount) = @_;
                   1790:   $linecount ||= 10;
3.24      knu      1791:
3.120     scop     1792:   my @buf;
                   1793:   if ($linecount > 0) {
3.184     scop     1794:     for (my $i = 0; !eof($fh) && $i < $linecount; $i++) {
3.120     scop     1795:       push @buf, scalar <$fh>;
                   1796:     }
                   1797:   } else {
                   1798:     @buf = <$fh>;
                   1799:   }
3.175     scop     1800:   return @buf;
                   1801: }
3.120     scop     1802:
3.24      knu      1803:
                   1804: ###############################
                   1805: # scan vim and Emacs directives
                   1806: ###############################
3.120     scop     1807: sub scan_directives(@)
                   1808: {
                   1809:   my $ts = undef;
3.24      knu      1810:
3.120     scop     1811:   for (@_) {
                   1812:     $ts = $1 if /\b(?:ts|tabstop|tab-width)[:=]\s*([1-9]\d*)\b/;
                   1813:   }
3.24      knu      1814:
3.120     scop     1815:   ('tabstop' => $ts);
3.24      knu      1816: }
                   1817:
3.175     scop     1818:
3.120     scop     1819: sub openOutputFilter()
                   1820: {
3.175     scop     1821:   return unless $output_filter;
3.86      knu      1822:
3.120     scop     1823:   open(STDOUT, "|-") and return;
3.86      knu      1824:
3.120     scop     1825:   # child of child
3.165     scop     1826:   open(STDERR, '>', devnull());
3.120     scop     1827:   exec($output_filter) or exit -1;
3.86      knu      1828: }
                   1829:
3.175     scop     1830:
3.24      knu      1831: ###############################
3.1       knu      1832: # show Annotation
                   1833: ###############################
3.133     scop     1834: sub doAnnotate($)
3.120     scop     1835: {
                   1836:   my ($rev) = @_;
3.174     scop     1837:   (my $pathname = $where) =~ s/(Attic\/)?[^\/]*$//;
                   1838:   (my $filename = $where) =~ s/^.*\///;
3.126     scop     1839:
3.174     scop     1840:   # This annotate version is based on the cvs annotate-demo Perl script by
                   1841:   # Cyclic Software.  It was written by Cyclic Software,
                   1842:   # http://www.cyclic.com/, and is in the public domain.
                   1843:   # We could abandon the use of rlog, rcsdiff and co using
                   1844:   # the cvs server in a similiar way one day (..after rewrite).
                   1845:
                   1846:   local (*CVS_IN, *CVS_OUT);
3.215     scop     1847:   my $annotate_err;
3.174     scop     1848:   my ($h, $err) =
                   1849:     startproc([ $CMD{cvs}, @annotate_options, 'server' ],
3.215     scop     1850:               '<pipe', \*CVS_IN, '>pipe', \*CVS_OUT,
                   1851:               '2>', \$annotate_err, timeout(30));
                   1852:   fatal('500 Internal Error',
                   1853:         'Annotate failure (exit status %s), output: <pre>%s</pre>',
                   1854:         $? >> 8 || -1, $err)
                   1855:     unless $h;
3.120     scop     1856:
                   1857:   # OK, first send the request to the server.  A simplified example is:
                   1858:   #     Root /home/kingdon/zwork/cvsroot
                   1859:   #     Argument foo/xx
                   1860:   #     Directory foo
                   1861:   #     /home/kingdon/zwork/cvsroot/foo
                   1862:   #     Directory .
                   1863:   #     /home/kingdon/zwork/cvsroot
                   1864:   #     annotate
                   1865:   # although as you can see there are a few more details.
                   1866:
3.174     scop     1867:   print CVS_IN "Root $cvsroot\n";
                   1868:   print CVS_IN
3.120     scop     1869:     "Valid-responses ok error Valid-requests Checked-in Updated Merged Removed M E\n";
                   1870:
                   1871:   # Don't worry about sending valid-requests, the server just needs to
                   1872:   # support "annotate" and if it doesn't, there isn't anything to be done.
3.174     scop     1873:   print CVS_IN "UseUnchanged\n";
                   1874:   print CVS_IN "Argument -r\n";
                   1875:   print CVS_IN "Argument $rev\n";
                   1876:   print CVS_IN "Argument $where\n";
3.120     scop     1877:
                   1878:   # The protocol requires us to fully fake a working directory (at
                   1879:   # least to the point of including the directories down to the one
                   1880:   # containing the file in question).
3.123     scop     1881:   # So if $where is "dir/sdir/file", then dirs will be ("dir","sdir","file")
                   1882:   my $path = '';
                   1883:   foreach my $dir (split('/', $where)) {
3.120     scop     1884:
                   1885:     if ($path eq "") {
3.123     scop     1886:       # In our example, $dir is "dir".
                   1887:       $path = $dir;
3.120     scop     1888:     } else {
3.174     scop     1889:       print CVS_IN "Directory $path\n";
                   1890:       print CVS_IN "$cvsroot/$path\n";
3.120     scop     1891:
                   1892:       # In our example, $_ is "sdir" and $path becomes "dir/sdir"
                   1893:       # And the next time, "file" and "dir/sdir/file" (which then gets
                   1894:       # ignored, because we don't need to send Directory for the file).
3.123     scop     1895:       $path .= "/$dir";
3.120     scop     1896:     }
                   1897:   }
3.123     scop     1898:   undef $path;
3.120     scop     1899:
                   1900:   # And the last "Directory" before "annotate" is the top level.
3.174     scop     1901:   print CVS_IN "Directory .\n";
                   1902:   print CVS_IN "$cvsroot\n";
3.120     scop     1903:
3.174     scop     1904:   print CVS_IN "annotate\n";
3.120     scop     1905:
                   1906:   # OK, we've sent our command to the server.  Thing to do is to
3.215     scop     1907:   # close the writer side and get all the responses.
                   1908:   if (!close(CVS_IN)) {
                   1909:     finish($h);
                   1910:     fatal('500 Internal Error',
                   1911:           'Annotate failure (exit status %s): <code>%s</code>, output: ' .
                   1912:           '<pre>%s</pre>', $? >> 8, $!, $annotate_err);
                   1913:   }
3.120     scop     1914:
3.133     scop     1915:   navigateHeader($scriptwhere, $pathname, $filename, $rev, 'annotate');
3.120     scop     1916:
3.136     scop     1917:   print '<h3 style="text-align: center">Annotation of ',
                   1918:     htmlquote("$pathname$filename"), ", revision $rev</h3>\n";
3.120     scop     1919:
                   1920:   # Ready to get the responses from the server.
                   1921:   # For example:
                   1922:   #     E Annotations for foo/xx
                   1923:   #     E ***************
                   1924:   #     M 1.3          (kingdon  06-Sep-97): hello
                   1925:   #     ok
                   1926:   my ($lineNr) = 0;
                   1927:   my ($oldLrev, $oldLusr) = ("", "");
                   1928:   my ($revprint, $usrprint);
                   1929:
                   1930:   if ($annTable) {
3.179     scop     1931:     print <<EOF;
                   1932: <table style="border: none" cellspacing="0" cellpadding="0" summary="Annotation">
                   1933: EOF
3.120     scop     1934:   } else {
                   1935:     print "<pre>";
                   1936:   }
                   1937:
                   1938:   # prefetch several lines
3.174     scop     1939:   my @buf = head(*CVS_OUT);
3.120     scop     1940:
                   1941:   my %d = scan_directives(@buf);
                   1942:
3.174     scop     1943:   while (@buf || !eof(*CVS_OUT)) {
3.197     scop     1944:
3.174     scop     1945:     $_ = @buf ? shift @buf : <CVS_OUT>;
3.120     scop     1946:     my @words = split;
                   1947:
                   1948:     # Adding one is for the (single) space which follows $words[0].
                   1949:     my $rest = substr($_, length($words[0]) + 1);
                   1950:     if ($words[0] eq "E") {
                   1951:       next;
                   1952:     } elsif ($words[0] eq "M") {
                   1953:       $lineNr++;
                   1954:       (my $lrev = substr($_, 2,  13)) =~ y/ //d;
                   1955:       (my $lusr = substr($_, 16, 9))  =~ y/ //d;
                   1956:       my $line = substr($_, 36);
                   1957:       my $isCurrentRev = ($rev eq $lrev);
                   1958:
                   1959:       # we should parse the date here ..
                   1960:       if ($lrev eq $oldLrev) {
                   1961:         $revprint = sprintf('%-8s', '');
                   1962:       } else {
                   1963:         $revprint = sprintf('%-8s', $lrev);
                   1964:         $revprint =~ s`\S+`&link($&, "$scriptwhere$query#rev$&")`e;    # `
                   1965:         $oldLusr = '';
                   1966:       }
                   1967:
                   1968:       if ($lusr eq $oldLusr) {
                   1969:         $usrprint = '';
                   1970:       } else {
                   1971:         $usrprint = $lusr;
                   1972:       }
                   1973:       $oldLrev = $lrev;
                   1974:       $oldLusr = $lusr;
                   1975:
                   1976:       # Set bold for text-based browsers only - graphical
                   1977:       # browsers show bold fonts a bit wider than regular fonts,
                   1978:       # so it looks irregular.
                   1979:       print "<b>" if ($isCurrentRev && $is_textbased);
                   1980:
3.136     scop     1981:       $usrprint = sprintf('%-8s', $usrprint);
                   1982:       printf '%s%s %s %4d:', $revprint, $isCurrentRev ? '!' : ' ',
                   1983:         htmlquote($usrprint), $lineNr;
3.120     scop     1984:       print spacedHtmlText($line, $d{'tabstop'});
                   1985:
                   1986:       print "</b>" if ($isCurrentRev && $is_textbased);
                   1987:     } elsif ($words[0] eq "ok") {
                   1988:
                   1989:       # We could complain about any text received after this, like the
                   1990:       # CVS command line client.  But for simplicity, we don't.
                   1991:     } elsif ($words[0] eq "error") {
                   1992:       fatal("500 Internal Error",
                   1993:             'Error occured during annotate: <b>%s</b>', $_);
                   1994:     }
                   1995:   }
                   1996:
                   1997:   if ($annTable) {
                   1998:     print "</table>";
                   1999:   } else {
                   2000:     print "</pre>";
                   2001:   }
3.124     scop     2002:   html_footer();
                   2003:
3.174     scop     2004:   finish($h);
3.1       knu      2005: }
                   2006:
                   2007: ###############################
                   2008: # make Checkout
                   2009: ###############################
3.120     scop     2010: sub doCheckout($$)
                   2011: {
                   2012:   my ($fullname, $rev) = @_;
3.194     scop     2013:   $rev = undef if ($rev eq 'HEAD' || $rev eq '.');
3.120     scop     2014:
3.219     scop     2015:   # Start resolving whether we will do a markup view or not.
                   2016:   my $do_markup = undef;
                   2017:   # No markup if markup disallowed.
                   2018:   $do_markup = 0 unless $allow_markup;
                   2019:   # No markup if checkout magic cookie in URL.
                   2020:   $do_markup = 0 if (!defined($do_markup) && $doCheckout);
                   2021:   # Do markup if explicitly asked using cvsweb-markup content type.  If the
                   2022:   # asked content type is anything else, no markup.
                   2023:   if (!defined($do_markup) && $input{'content-type'}) {
3.222     scop     2024:     $do_markup = ($input{'content-type'} =~ CVSWEBMARKUP) ? 1 : 0;
3.219     scop     2025:   }
                   2026:
                   2027:   # Ok, if $do_markup is still undefined, we know that a download has not been
                   2028:   # explicitly asked.  For the last check further down below we'll need to
                   2029:   # know if the file is binary, and possibly run a log on it.
                   2030:   my $needlog = $do_markup || $use_moddate;
3.120     scop     2031:
3.163     scop     2032:   my $moddate = undef;
3.175     scop     2033:   my $revopt;
3.120     scop     2034:   if (defined($rev)) {
                   2035:     $revopt = "-r$rev";
3.219     scop     2036:     if ($needlog) {
3.120     scop     2037:       readLog($fullname, $rev);
                   2038:       $moddate = $date{$rev};
                   2039:     }
                   2040:   } else {
                   2041:     $revopt = "-rHEAD";
3.219     scop     2042:     if ($needlog) {
3.120     scop     2043:       readLog($fullname);
                   2044:       $moddate = $date{$symrev{HEAD}};
                   2045:     }
                   2046:   }
                   2047:
3.194     scop     2048:   my $cr = abs_path($cvsroot) || $cvsroot;
                   2049:   # abs_path() taints when run as a CGI...
                   2050:   if ($cr =~ VALID_PATH) {
                   2051:     $cr = $1;
                   2052:   } else {
                   2053:     fatal('500 Internal Error', 'Illegal CVS root: <code>%s</code>', $cr);
                   2054:   }
3.183     scop     2055:   # Use abs_path() to work around a bug of cvs -p; expand symlinks if we can.
3.194     scop     2056:   my @cmd = ($CMD{cvs}, @cvs_options, '-d', $cr, 'co', '-p', $revopt, $where);
3.183     scop     2057:
3.174     scop     2058:   local (*CVS_OUT, *CVS_ERR);
                   2059:   my ($h, $err) =
                   2060:     startproc(\@cmd, \"", '>pipe', \*CVS_OUT, '2>pipe', \*CVS_ERR,timeout(30));
3.215     scop     2061:   fatal('500 Internal Error',
                   2062:         'Checkout failure (exit status %s), output: <pre>%s</pre>',
                   2063:         $? >> 8 || -1, $err)
                   2064:     unless $h;
3.120     scop     2065:
3.174     scop     2066:   if (eof(CVS_ERR)) {
                   2067:     finish($h);
3.120     scop     2068:     fatal("404 Not Found", '%s is not (any longer) pertinent', $where);
                   2069:   }
                   2070:
                   2071:   #===================================================================
                   2072:   #Checking out squid/src/ftp.c
                   2073:   #RCS:  /usr/src/CVS/squid/src/ftp.c,v
                   2074:   #VERS: 1.1.1.28.6.2
                   2075:   #***************
                   2076:
                   2077:   # Parse CVS header
                   2078:   my ($revision, $filename, $cvsheader);
                   2079:   $filename = "";
3.174     scop     2080:   while (<CVS_ERR>) {
3.120     scop     2081:     last if (/^\*\*\*\*/);
                   2082:     $revision = $1 if (/^VERS: (.*)$/);
                   2083:
                   2084:     if (/^Checking out (.*)$/) {
3.214     scop     2085:       ($filename = $1) =~ s|^\./+||;
3.120     scop     2086:     }
                   2087:     $cvsheader .= $_;
                   2088:   }
3.219     scop     2089:   close(CVS_ERR);
3.120     scop     2090:
                   2091:   if ($filename ne $where) {
3.174     scop     2092:     finish($h);
3.120     scop     2093:     fatal("500 Internal Error",
3.214     scop     2094:           'Unexpected output from cvs co: <pre>%s</pre> ' .
                   2095:           '(expected "<code>%s</code>" but got "<code>%s</code>")',
                   2096:           $cvsheader, $where, $filename);
3.120     scop     2097:   }
                   2098:
3.219     scop     2099:   # Last checks whether we'll do markup or not.
                   2100:   my $isbin = $keywordsubstitution && $keywordsubstitution =~ /b/;
                   2101:   my $mimetype = getMimeType($fullname, $isbin);
                   2102:
                   2103:   # If we still are not sure whether to do markup or not:
                   2104:   # if the MIME type is "viewable" or this is not a binary file, do.
                   2105:   $do_markup = !$isbin || viewable($mimetype) unless defined($do_markup);
                   2106:
                   2107:   if ($do_markup) {
                   2108:
                   2109:     # If this is something we'll be linking to in the markup view, we are
                   2110:     # done with this particular output from "cvs co" and must discard it.
                   2111:     my $linked = $mimetype =~ m{^image/|application/pdf$}i;
                   2112:     if ($linked) {
                   2113:       close(CVS_OUT);
                   2114:       finish($h);
                   2115:     }
                   2116:
3.163     scop     2117:     # Here we know the last modified date, but don't know if tags have been
3.219     scop     2118:     # added afterwards (those are shown in the markup view): no last-modified.
                   2119:     cvswebMarkup(\*CVS_OUT, $fullname, $revision, $isbin, $mimetype, $needlog);
                   2120:
                   2121:     finish($h) unless $linked;
                   2122:
3.120     scop     2123:   } else {
3.163     scop     2124:     http_header($mimetype, $moddate);
3.174     scop     2125:     local $/ = undef;
                   2126:     print <CVS_OUT>;
3.219     scop     2127:     finish($h);
3.120     scop     2128:   }
1.12      fenner   2129: }
                   2130:
3.174     scop     2131:
3.219     scop     2132: sub cvswebMarkup($$$$$$;$)
3.120     scop     2133: {
3.219     scop     2134:   my ($filehandle, $fullname, $rev, $isbin, $mimetype, $logged, $mod) = @_;
3.1       knu      2135:
3.175     scop     2136:   (my $pathname = $where) =~ s/(Attic\/)?[^\/]*$//;
                   2137:   (my $filename = $where) =~ s/^.*\///;
                   2138:   my $fileurl   = urlencode($filename);
3.120     scop     2139:
3.219     scop     2140:   navigateHeader($scriptwhere, $pathname, $filename, $rev, 'view', $mod);
3.120     scop     2141:
3.144     scop     2142:   print <<EOF;
3.208     scop     2143: <hr />
3.182     scop     2144: <div class="log-markup">
                   2145: File:&nbsp;
3.144     scop     2146: EOF
3.219     scop     2147:   print &clickablePath($where, 1), "<br />\n";
3.120     scop     2148:
                   2149:   if ($show_log_in_markup) {
3.219     scop     2150:     readLog($fullname) unless $logged; #,$rev);
                   2151:     printLog($rev, $mimetype, $isbin);
3.120     scop     2152:   } else {
3.219     scop     2153:     print "Version: <b>$rev</b><br />\n";
3.208     scop     2154:     print "Tag: <b>", $input{only_with_tag}, "</b><br />\n"
3.120     scop     2155:       if $input{only_with_tag};
                   2156:   }
3.208     scop     2157:   print "</div>\n<hr />";
3.219     scop     2158:   my $url = download_url($fileurl, $rev, $mimetype);
3.120     scop     2159:
3.219     scop     2160:   if ($mimetype =~ m|^image/|i) {
3.208     scop     2161:     printf '<img src="%s" alt="%s" /><br />',
3.160     scop     2162:       hrefquote("$url$barequery"), htmlquote($filename);
3.219     scop     2163:   } elsif (lc($mimetype) eq 'application/pdf') {
3.208     scop     2164:     printf '<embed src="%s" width="100%%" height="100%%" /><br />',
3.157     scop     2165:       hrefquote("$url$barequery");
3.120     scop     2166:   } else {
                   2167:
3.208     scop     2168:     print "<pre>\n";
3.167     scop     2169:     my $linenumbers = $input{ln} || 0;
3.149     scop     2170:
3.219     scop     2171:     if (my $enscript_hl = getEnscriptHL($filename)) {
3.167     scop     2172:       doEnscript($filehandle, $enscript_hl, $linenumbers);
3.148     scop     2173:
                   2174:     } else {
3.200     scop     2175:       my $ln  = 0;
                   2176:       my @buf = ();
                   2177:       my $ts  = undef;
                   2178:
                   2179:       if ($preformat_in_markup) {
                   2180:         # prefetch several lines
                   2181:         @buf = head($filehandle);
                   2182:         my %d = scan_directives(@buf);
                   2183:         $ts = $d{tabstop};
                   2184:       }
                   2185:
                   2186:       while (@buf || !eof($filehandle)) {
                   2187:         $_ = @buf ? shift @buf : <$filehandle>;
3.167     scop     2188:         if ($linenumbers) {
                   2189:           $ln++;
                   2190:           printf '<a id="l%d" class="src">%5d: </a>', ($ln) x 2;
3.149     scop     2191:         }
3.200     scop     2192:         print $preformat_in_markup ? spacedHtmlText($_, $ts) : htmlquote($_);
3.148     scop     2193:       }
3.120     scop     2194:     }
3.149     scop     2195:
                   2196:     print "</pre>\n";
3.120     scop     2197:   }
3.131     scop     2198:   html_footer();
3.120     scop     2199: }
                   2200:
3.156     scop     2201:
3.120     scop     2202: sub viewable($)
                   2203: {
3.219     scop     2204:   return shift =~ m{^((text|image)/|application/pdf)}i;
3.156     scop     2205: }
3.120     scop     2206:
3.1       knu      2207:
                   2208: ###############################
                   2209: # Show Colored Diff
                   2210: ###############################
3.120     scop     2211: sub doDiff($$$$$$)
                   2212: {
                   2213:   my ($fullname, $r1, $tr1, $r2, $tr2, $f) = @_;
                   2214:
                   2215:   if (&forbidden_file($fullname)) {
                   2216:     fatal("403 Forbidden",
                   2217:           'Access forbidden.  This file is mentioned in @ForbiddenFiles');
                   2218:   }
                   2219:
3.175     scop     2220:   my ($rev1, $sym1);
3.120     scop     2221:   if ($r1 =~ /([^:]+)(:(.+))?/) {
                   2222:     $rev1 = $1;
                   2223:     $sym1 = $3;
                   2224:   }
                   2225:   if ($r1 eq 'text') {
                   2226:     $rev1 = $tr1;
                   2227:     $sym1 = "";
                   2228:   }
                   2229:
3.175     scop     2230:   my ($rev2, $sym2);
3.120     scop     2231:   if ($r2 =~ /([^:]+)(:(.+))?/) {
                   2232:     $rev2 = $1;
                   2233:     $sym2 = $3;
                   2234:   }
                   2235:   if ($r2 eq 'text') {
                   2236:     $rev2 = $tr2;
                   2237:     $sym2 = "";
                   2238:   }
                   2239:
                   2240:   #
                   2241:   # rev1 and rev2 are now both numeric revisions.
                   2242:   # Thus we do a DWIM here and swap them if rev1 is after rev2.
                   2243:   # XXX should we warn about the fact that we do this?
                   2244:   if (&revcmp($rev1, $rev2) > 0) {
                   2245:     my ($tmp1, $tmp2) = ($rev1, $sym1);
                   2246:     ($rev1, $sym1) = ($rev2, $sym2);
                   2247:     ($rev2, $sym2) = ($tmp1, $tmp2);
                   2248:   }
3.225   ! scop     2249:
        !          2250:   my $mimetype = getMimeType($fullname);
        !          2251:
        !          2252:   #
        !          2253:   #  Check for per-MIME type diff commands.
        !          2254:   #
        !          2255:   my $diffcmd = undef;
        !          2256:   if (my $diffcmds = $DIFF_COMMANDS{lc($mimetype)}) {
        !          2257:     if ($f =~ /^ext(\d*)$/) {
        !          2258:       my $n = $1 || 0;
        !          2259:       $diffcmd = $diffcmds->[$n];
        !          2260:     }
        !          2261:   }
        !          2262:   if ($diffcmd && $diffcmd->{cmd} && $diffcmd->{name}) {
        !          2263:
        !          2264:     if ($diffcmd->{args} && ref($diffcmd->{args}) ne 'ARRAY') {
        !          2265:       fatal('500 Internal Error',
        !          2266:             'Configuration error: arguments to external diff tools must ' .
        !          2267:             'be given as array refs.  See "<code>%s</code>" in ' .
        !          2268:             '<code>%%DIFF_COMMANDS</code>.',
        !          2269:             $diffcmd->{name});
        !          2270:     }
        !          2271:
        !          2272:     (my $cvsname = $where) =~ s/\.diff$//;
        !          2273:
        !          2274:     # Create two temporary files with the two revisions
        !          2275:     my $temp_fn1 = checkout_to_temp($cvsroot, $cvsname, $rev1);
        !          2276:     my $temp_fn2 = checkout_to_temp($cvsroot, $cvsname, $rev2);
        !          2277:
        !          2278:     # Execute chosen diff binary.
        !          2279:     local (*DIFF_OUT);
        !          2280:     my @cmd = ($diffcmd->{cmd});
        !          2281:     push(@cmd, @{$diffcmd->{args}}) if $diffcmd->{args};
        !          2282:     push(@cmd, $temp_fn1, $temp_fn2);
        !          2283:     my ($h, $err) = startproc(\@cmd, \"", '>pipe', \*DIFF_OUT);
        !          2284:     if (!$h) {
        !          2285:       unlink($temp_fn1);
        !          2286:       unlink($temp_fn2);
        !          2287:       fatal('500 Internal Error',
        !          2288:             'Diff failure (exit status %s), output: <pre>%s</pre>',
        !          2289:             $? >> 8 || -1, $err);
        !          2290:     }
        !          2291:
        !          2292:     http_header($diffcmd->{type} || 'text/plain');
        !          2293:     local $/ = undef;
        !          2294:     print <DIFF_OUT>;
        !          2295:     finish($h);
        !          2296:     unlink($temp_fn1);
        !          2297:     unlink($temp_fn2);
        !          2298:
        !          2299:     exit;
        !          2300:   }
        !          2301:
        !          2302:   #
        !          2303:   # Normal CVS diff.
        !          2304:   #
        !          2305:
        !          2306:   $f = $DEFAULTVALUE{f} || 'u' if ($f =~ /^ext\d*$/);
3.120     scop     2307:   my $difftype = $DIFFTYPES{$f};
                   2308:   if (!$difftype) {
                   2309:     fatal("400 Bad arguments", 'Diff format %s not understood', $f);
                   2310:   }
                   2311:
                   2312:   my @difftype       = @{$difftype->{'opts'}};
                   2313:   my $human_readable = $difftype->{'colored'};
                   2314:
                   2315:   # apply special options
                   2316:   if ($showfunc) {
                   2317:     push @difftype, '-p' if $f ne 's';
                   2318:
                   2319:     my ($re1, $re2);
                   2320:
                   2321:     while (($re1, $re2) = each %funcline_regexp) {
3.222     scop     2322:       if ($fullname =~ $re1) {
3.120     scop     2323:         push @difftype, '-F', $re2;
                   2324:         last;
                   2325:       }
                   2326:     }
                   2327:   }
                   2328:
                   2329:   if ($human_readable) {
                   2330:     if ($hr_ignwhite) {
                   2331:       push @difftype, '-w';
                   2332:     }
                   2333:     if ($hr_ignkeysubst) {
                   2334:       push @difftype, '-kk';
                   2335:     }
                   2336:   }
                   2337:
3.175     scop     2338:   my $fh = do { local (*FH); };
3.120     scop     2339:   if (!open($fh, "-|")) {    # child
                   2340:     open(STDERR, ">&STDOUT");    # Redirect stderr to stdout
                   2341:     openOutputFilter();
3.166     scop     2342:     exec($CMD{rcsdiff}, @rcsdiff_options, @difftype, "-r$rev1", "-r$rev2",
                   2343:          $fullname) or exit -1;
3.120     scop     2344:   }
3.166     scop     2345:
3.120     scop     2346:   if ($human_readable) {
3.168     scop     2347:     #
                   2348:     # Human readable diff.
                   2349:     #
                   2350:     human_readable_diff($fh, $rev2);
                   2351:     html_footer();
                   2352:     gzipclose();
                   2353:     exit;
                   2354:
                   2355:   } elsif ($f =~ /^([ucs])c$/) {
                   2356:     #
                   2357:     # Enscript colored diff.
                   2358:     #
                   2359:     my $hl = 'diff';
                   2360:     $hl .= $1 if ($1 eq 'u' || $1 eq 's');
                   2361:     (my $where_nd = $where)       =~ s/\.diff$//;
                   2362:     (my $pathname = $where_nd)    =~ s|(Attic\/)?[^/]*$||;
                   2363:     (my $filename = $where_nd)    =~ s|^.*/||;
                   2364:     (my $swhere   = $scriptwhere) =~ s|\.diff$||;
                   2365:     navigateHeader($swhere, $pathname, $filename, $rev2, 'diff');
                   2366:     printf(<<EOF, $where_nd, $rev1, $rev2);
                   2367: <h3 style="text-align: center">Diff for /%s between versions %s and %s</h3>
                   2368: <pre>
                   2369: EOF
3.174     scop     2370:     doEnscript(\$fh, $hl, 0);
3.168     scop     2371:     print <<EOF;
                   2372: </pre>
3.208     scop     2373: <hr style="width: 100%" />
3.168     scop     2374: <form method="get" action="$scriptwhere">
                   2375: EOF
                   2376:     printDiffSelectStickyVars();
                   2377:     print 'Diff format: ';
                   2378:     printDiffSelect($use_java_script);
3.208     scop     2379:     print "<input type=\"submit\" value=\"Show\" />\n</form>\n";
3.120     scop     2380:     html_footer();
                   2381:     gzipclose();
                   2382:     exit;
3.168     scop     2383:
3.120     scop     2384:   } else {
3.168     scop     2385:     #
                   2386:     # Plain diff.
                   2387:     #
3.120     scop     2388:     http_header("text/plain");
                   2389:   }
                   2390:
                   2391:   #
                   2392:   #===================================================================
                   2393:   #RCS file: /home/ncvs/src/sys/netinet/tcp_output.c,v
                   2394:   #retrieving revision 1.16
                   2395:   #retrieving revision 1.17
                   2396:   #diff -c -r1.16 -r1.17
                   2397:   #*** /home/ncvs/src/sys/netinet/tcp_output.c     1995/11/03 22:08:08     1.16
                   2398:   #--- /home/ncvs/src/sys/netinet/tcp_output.c     1995/12/05 17:46:35     1.17
                   2399:   #
                   2400:   # Ideas:
                   2401:   # - nuke the stderr output if it's what we expect it to be
                   2402:   # - Add "no differences found" if the diff command supplied no output.
                   2403:   #
                   2404:   #*** src/sys/netinet/tcp_output.c     1995/11/03 22:08:08     1.16
                   2405:   #--- src/sys/netinet/tcp_output.c     1995/12/05 17:46:35     1.17 RELENG_2_1_0
                   2406:   # (bogus example, but...)
                   2407:   #
3.175     scop     2408:   my ($f1, $f2);
3.120     scop     2409:   if (grep { $_ eq '-u' } @difftype) {
                   2410:     $f1 = '---';
                   2411:     $f2 = '\+\+\+';
                   2412:   } else {
                   2413:     $f1 = '\*\*\*';
                   2414:     $f2 = '---';
                   2415:   }
                   2416:
                   2417:   while (<$fh>) {
                   2418:     if (m|^$f1 $cvsroot|o) {
                   2419:       s|$cvsroot/||o;
                   2420:       if ($sym1) {
                   2421:         chop;
                   2422:         $_ .= " $sym1\n";
                   2423:       }
                   2424:     } elsif (m|^$f2 $cvsroot|o) {
                   2425:       s|$cvsroot/||o;
                   2426:
                   2427:       if ($sym2) {
                   2428:         chop;
                   2429:         $_ .= " $sym2\n";
                   2430:       }
                   2431:     }
                   2432:     print $_;
                   2433:   }
                   2434:   close($fh);
1.12      fenner   2435: }
                   2436:
3.175     scop     2437:
3.1       knu      2438: ###############################
                   2439: # Show Logs ..
                   2440: ###############################
3.120     scop     2441: sub getDirLogs($$@)
                   2442: {
                   2443:   my ($cvsroot, $dirname, @otherFiles) = @_;
3.139     scop     2444:   my $tag = $input{only_with_tag};
3.196     scop     2445:   my $DirName = catdir($cvsroot, $where);
3.120     scop     2446:
3.139     scop     2447:   my @files = &safeglob("$DirName/*,v");
                   2448:   push (@files, &safeglob("$DirName/Attic/*,v")) if (!$input{'hideattic'});
3.120     scop     2449:   foreach my $file (@otherFiles) {
3.196     scop     2450:     push(@files, catfile($DirName, $file));
3.120     scop     2451:   }
                   2452:
3.150     scop     2453:   # Weed out unreadable files.
                   2454:   my $i = 0;
                   2455:   my @unreadable = ();
                   2456:   while ($i < scalar(@files)) {
3.197     scop     2457:     # Note: last modified files from subdirs returned by
                   2458:     # findLastModifiedSubdirs() come without the ,v suffix so they're not
                   2459:     # found here, but have already been checked for readability.  *cough*
                   2460:     if (-r $files[$i] || !-e _) {
3.150     scop     2461:       $i++;
                   2462:     } else {
                   2463:       push(@unreadable, splice(@files, $i, 1));
                   2464:     }
                   2465:   }
                   2466:
3.139     scop     2467:   # If there are no files, we're done.
3.150     scop     2468:   return @unreadable unless @files;
3.120     scop     2469:
3.139     scop     2470:   my @cmd = ($CMD{rlog});
                   2471:   # Can't use -r<tag> as '-' is allowed in tagnames,
                   2472:   # but misinterpreted by rlog.
                   2473:   push(@cmd, '-r') unless defined($tag);
3.120     scop     2474:
3.139     scop     2475:   my $fh = do { local (*FH); };
                   2476:   if (!open($fh, '-|')) {            # Child
3.165     scop     2477:     open(STDERR, '>', devnull());    # Ignore rlog's complaints.
3.139     scop     2478:     openOutputFilter();
                   2479:     if ($file_list_len && $file_list_len > 1) {
                   2480:       while (scalar(@files) > $file_list_len) {  # Process files in chunks.
                   2481:         system(@cmd, splice(@files, 0, $file_list_len)) == 0 or exit -1;
                   2482:       }
3.120     scop     2483:     }
3.139     scop     2484:     exec(@cmd, @files) or exit -1;
                   2485:   }
                   2486:   undef @cmd;
3.120     scop     2487:
3.139     scop     2488:   my $state = 'start';
                   2489:   my ($date, $branchpoint, $branch, $log, @filetags);
3.152     scop     2490:   my ($rev, $revision, $revwanted, $filename, $head, $author, $keywordsubst);
3.120     scop     2491:
                   2492:   while (<$fh>) {
                   2493:     if ($state eq "start") {
                   2494:
                   2495:       #Next file. Initialize file variables
                   2496:       $rev         = '';
                   2497:       $revwanted   = '';
                   2498:       $branch      = '';
                   2499:       $branchpoint = '';
                   2500:       $filename    = '';
                   2501:       $log         = '';
                   2502:       $revision    = '';
                   2503:       %symrev      = ();
                   2504:       @filetags    = ();
3.152     scop     2505:       $keywordsubst= '';
3.120     scop     2506:
                   2507:       #jump to head state
                   2508:       $state = "head";
                   2509:     }
3.144     scop     2510:
3.120     scop     2511:     again:
                   2512:
                   2513:     if ($state eq "head") {
                   2514:
                   2515:       #$rcsfile = $1 if (/^RCS file: (.+)$/); #not used (yet)
                   2516:
                   2517:       if (/^Working file: (.+)$/) {
                   2518:         $filename = $1;
                   2519:       } elsif (/^head: (.+)$/) {
                   2520:         $head = $1;
                   2521:       } elsif (/^branch: (.+)$/) {
                   2522:         $branch = $1;
3.152     scop     2523:       } elsif (/^keyword substitution: (.+)$/) {
                   2524:         $keywordsubst = $1;
3.120     scop     2525:       } elsif (/^symbolic names:/) {
                   2526:         $state = "tags";
                   2527:         ($branch = $head) =~ s/\.\d+$//
                   2528:           if $branch eq '';
                   2529:         $branch =~ s/(\d+)$/0.$1/;
                   2530:         $symrev{MAIN}  = $branch;
                   2531:         $symrev{HEAD}  = $branch;
                   2532:         $alltags{MAIN} = 1;
                   2533:         $alltags{HEAD} = 1;
                   2534:         push (@filetags, "MAIN", "HEAD");
3.222     scop     2535:       } elsif ($_ =~ LOG_REVSEPR) {
3.120     scop     2536:         $state = "log";
                   2537:         $rev   = '';
                   2538:         $date  = '';
                   2539:         $log   = '';
                   2540:
                   2541:         # Try to reconstruct the relative filename if RCS spits out a full path
                   2542:         $filename =~ s%^\Q$DirName\E/%%;
                   2543:       }
                   2544:       next;
                   2545:     }
                   2546:
                   2547:     if ($state eq "tags") {
                   2548:       if (/^\s+([^:]+):\s+([\d\.]+)\s*$/) {
                   2549:         push (@filetags, $1);
                   2550:         $symrev{$1}  = $2;
                   2551:         $alltags{$1} = 1;
                   2552:         next;
                   2553:       } elsif (/^\S/) {
                   2554:
                   2555:         if (defined($tag)) {
                   2556:           if (defined($symrev{$tag}) || $tag eq "HEAD") {
                   2557:             $revwanted    = $symrev{$tag eq "HEAD" ? "MAIN" : $tag};
                   2558:             ($branch      = $revwanted) =~ s/\b0\.//;
                   2559:             ($branchpoint = $branch)    =~ s/\.?\d+$//;
                   2560:             $revwanted    = '' if ($revwanted ne $branch);
                   2561:           } elsif ($tag ne "HEAD") {
                   2562:             $state = "skip";
                   2563:             next;
                   2564:           }
                   2565:         }
                   2566:
                   2567:         foreach my $tagfound (@filetags) {
                   2568:           $tags{$tagfound} = 1;
                   2569:         }
                   2570:         $state = "head";
                   2571:         goto again;
                   2572:       }
                   2573:     }
                   2574:
                   2575:     if ($state eq "log") {
3.222     scop     2576:       if ($_ =~ LOG_REVSEPR || $_ =~ LOG_FILESEPR) {
3.120     scop     2577:
                   2578:         # End of a log entry.
                   2579:         my $revbranch = $rev;
                   2580:         $revbranch =~ s/\.\d+$//;
                   2581:
                   2582:         if ($revwanted eq '' && $branch ne '' && $branch eq $revbranch
                   2583:             || !defined($tag))
                   2584:         {
                   2585:           $revwanted = $rev;
                   2586:         }
                   2587:
                   2588:         if ($revwanted ne ''
                   2589:             ? $rev eq $revwanted
                   2590:             : $branchpoint ne ''
                   2591:               ? $rev eq $branchpoint
                   2592:               : 0
                   2593:             && ($rev eq $head))
                   2594:         {    # Don't think head is needed here..
3.152     scop     2595:           my @finfo = ($rev, $date, $log, $author, $filename, $keywordsubst);
                   2596:           (my $name = $filename) =~ s%/.*%%;
3.120     scop     2597:           $fileinfo{$name} = [@finfo];
                   2598:           $state = "done" if ($rev eq $revwanted);
                   2599:         }
                   2600:         $rev  = '';
                   2601:         $date = '';
                   2602:         $log  = '';
                   2603:       } elsif ($date eq ''
                   2604:                && m|^date:\s+(\d+)/(\d+)/(\d+)\s+(\d+):(\d+):(\d+);|)
                   2605:       {
3.172     scop     2606:         my $yr    = $1;
                   2607:         $yr      -= 1900 if ($yr > 100); # Damn 2-digit year routines :-)
                   2608:         $date     = timegm($6, $5, $4, $3, $2 - 1, $yr);
3.120     scop     2609:         ($author) = /author: ([^;]+)/;
3.172     scop     2610:         $state    = 'log';
                   2611:         $log      = '';
3.120     scop     2612:         next;
                   2613:       } elsif ($rev eq '' && /^revision (\d+(?:\.\d+)+).*$/) {
                   2614:         $rev = $1;    # .*$ eats up the locker(lockers?) info, if any
                   2615:         next;
                   2616:       } else {
                   2617:         $log .= $_;
                   2618:       }
                   2619:     }
                   2620:
3.222     scop     2621:     if ($_ =~ LOG_FILESEPR) {
3.120     scop     2622:       $state = "start";
                   2623:       next;
                   2624:     }
                   2625:   }
                   2626:
3.139     scop     2627:   my $linesread = $. || 0;
                   2628:   close($fh);
                   2629:
                   2630:   if ($linesread == 0) {
3.137     scop     2631:     fatal('500 Internal Error',
3.208     scop     2632:           'Failed to spawn GNU rlog on <em>"%s"</em>.<br /><br />Did you set the <b><code>$command_path</code></b> in your configuration file correctly? (Currently: "<code>%s</code>")',
3.150     scop     2633:           htmlquote(join(', ', @files)), $command_path);
3.120     scop     2634:   }
3.150     scop     2635:
                   2636:   return @unreadable;
3.120     scop     2637: }
                   2638:
3.175     scop     2639:
3.120     scop     2640: sub readLog($;$)
                   2641: {
                   2642:   my ($fullname, $revision) = @_;
                   2643:   my ($symnames, $head, $rev, $br, $brp, $branch, $branchrev);
                   2644:
3.144     scop     2645:   $revision = defined($revision) ? "-r$revision" : '';
3.120     scop     2646:
                   2647:   undef %symrev;
                   2648:   undef %revsym;
                   2649:   undef @allrevisions;
                   2650:   undef %date;
                   2651:   undef %author;
                   2652:   undef %state;
                   2653:   undef %difflines;
                   2654:   undef %log;
3.152     scop     2655:   $keywordsubstitution = '';
3.120     scop     2656:
3.175     scop     2657:   my $fh = do { local (*FH); };
3.120     scop     2658:   if (!open($fh, "-|")) {    # child
                   2659:     if ($revision ne '') {
                   2660:       openOutputFilter();
                   2661:       exec($CMD{rlog}, $revision, $fullname) or exit -1;
                   2662:     } else {
                   2663:       openOutputFilter();
                   2664:       exec($CMD{rlog}, $fullname) or exit -1;
                   2665:     }
                   2666:   }
                   2667:
3.217     scop     2668:   my $curbranch = undef;
3.120     scop     2669:   while (<$fh>) {
                   2670:     if ($symnames) {
                   2671:       if (/^\s+([^:]+):\s+([\d\.]+)/) {
                   2672:         $symrev{$1} = $2;
3.152     scop     2673:         next;
3.120     scop     2674:       } else {
                   2675:         $symnames = 0;
                   2676:       }
3.152     scop     2677:     }
                   2678:     if (/^head:\s+([\d\.]+)/) {
3.120     scop     2679:       $head = $1;
                   2680:     } elsif (/^branch:\s+([\d\.]+)/) {
                   2681:       $curbranch = $1;
                   2682:     } elsif (/^symbolic names/) {
                   2683:       $symnames = 1;
3.152     scop     2684:     } elsif (/^keyword substitution: (.+)$/) {
                   2685:       $keywordsubstitution = $1;
3.120     scop     2686:     } elsif (/^-----/) {
                   2687:       last;
                   2688:     }
                   2689:   }
                   2690:   ($curbranch = $head) =~ s/\.\d+$// if (!defined($curbranch));
                   2691:
                   2692:   # each log entry is of the form:
                   2693:   # ----------------------------
                   2694:   # revision 3.7.1.1
                   2695:   # date: 1995/11/29 22:15:52;  author: fenner;  state: Exp;  lines: +5 -3
                   2696:   # log info
                   2697:   # ----------------------------
                   2698:
                   2699:   # For a locked revision, the first line after the separator
                   2700:   # becomes smth like
3.149     scop     2701:   # revision 9.19       locked by: vassilii;
3.120     scop     2702:
                   2703:   logentry:
                   2704:
3.222     scop     2705:   while ($_ !~ LOG_FILESEPR) {
3.120     scop     2706:     $_ = <$fh>;
                   2707:     last logentry if (!defined($_));    # EOF
                   2708:     if (/^revision (\d+(?:\.\d+)+)/) {
                   2709:       $rev = $1;
                   2710:       unshift (@allrevisions, $rev);
3.222     scop     2711:     } elsif ($_ =~ LOG_FILESEPR || $_ =~ LOG_REVSEPR) {
3.120     scop     2712:       next logentry;
                   2713:     } else {
                   2714:
                   2715:       # The rlog output is syntactically ambiguous.  We must
                   2716:       # have guessed wrong about where the end of the last log
                   2717:       # message was.
                   2718:       # Since this is likely to happen when people put rlog output
                   2719:       # in their commit messages, don't even bother keeping
                   2720:       # these lines since we don't know what revision they go with
                   2721:       # any more.
                   2722:       next logentry;
                   2723:     }
                   2724:     $_ = <$fh>;
                   2725:     if (
                   2726:       m|^date:\s+(\d+)/(\d+)/(\d+)\s+(\d+):(\d+):(\d+);\s+author:\s+(\S+);\s+state:\s+(\S+);\s+(lines:\s+([0-9\s+-]+))?|
                   2727:       )
                   2728:     {
3.172     scop     2729:       my $yr           = $1;
                   2730:       $yr             -= 1900 if ($yr > 100); # Damn 2-digit year routines :-)
                   2731:       $date{$rev}      = timegm($6, $5, $4, $3, $2 - 1, $yr);
3.120     scop     2732:       $author{$rev}    = $7;
                   2733:       $state{$rev}     = $8;
                   2734:       $difflines{$rev} = $10;
                   2735:     } else {
                   2736:       fatal("500 Internal Error", 'Error parsing RCS output: %s', $_);
                   2737:     }
                   2738:
                   2739:   line:
                   2740:     while (<$fh>) {
                   2741:       next line if (/^branches:\s/);
3.222     scop     2742:       last line if ($_ =~ LOG_FILESEPR || $_ =~ LOG_REVSEPR);
3.120     scop     2743:       $log{$rev} .= $_;
                   2744:     }
                   2745:   }
                   2746:   close($fh);
                   2747:
                   2748:   @revorder = reverse sort { revcmp($a, $b) } @allrevisions;
                   2749:
                   2750:   #
                   2751:   # HEAD is an artificial tag which is simply the highest tag number on the main
                   2752:   # branch, unless there is a branch tag in the RCS file in which case it's the
                   2753:   # highest revision on that branch.  Find it by looking through @revorder; it
                   2754:   # is the first commit listed on the appropriate branch.
                   2755:   # This is not neccesary the same revision as marked as head in the RCS file.
                   2756:   my $headrev = $curbranch || "1";
                   2757:   ($symrev{"MAIN"} = $headrev) =~ s/(\d+)$/0.$1/;
                   2758:
                   2759:   foreach $rev (@revorder) {
                   2760:     if ($rev =~ /^(\S*)\.\d+$/ && $headrev eq $1) {
                   2761:       $symrev{"HEAD"} = $rev;
                   2762:       last;
                   2763:     }
                   2764:   }
                   2765:   ($symrev{"HEAD"} = $headrev) =~ s/\.\d+$//
                   2766:     if (!defined($symrev{"HEAD"}));
                   2767:
                   2768:   #
                   2769:   # Now that we know all of the revision numbers, we can associate
                   2770:   # absolute revision numbers with all of the symbolic names, and
                   2771:   # pass them to the form so that the same association doesn't have
                   2772:   # to be built then.
                   2773:   #
                   2774:   undef @branchnames;
                   2775:   undef %branchpoint;
                   2776:   undef $sel;
                   2777:
                   2778:   foreach (reverse sort keys %symrev) {
                   2779:     $rev = $symrev{$_};
                   2780:     if ($rev =~ /^((.*)\.)?\b0\.(\d+)$/) {
                   2781:       push (@branchnames, $_);
                   2782:
                   2783:       #
                   2784:       # A revision number of A.B.0.D really translates into
                   2785:       # "the highest current revision on branch A.B.D".
                   2786:       #
                   2787:       # If there is no branch A.B.D, then it translates into
                   2788:       # the head A.B .
                   2789:       #
                   2790:       # This reasoning also applies to the main branch A.B,
                   2791:       # with the branch number 0.A, with the exception that
                   2792:       # it has no head to translate to if there is nothing on
                   2793:       # the branch, but I guess this can never happen?
                   2794:       #
                   2795:       # (the code below gracefully forgets about the branch
                   2796:       # if it should happen)
                   2797:       #
                   2798:       $head = defined($2) ? $2 : "";
                   2799:       $branch = $3;
                   2800:       $branchrev = $head . ($head ne "" ? "." : "") . $branch;
3.222     scop     2801:       $rev = $head;
                   2802:
                   2803:       my $regex = '^' . quotemeta($branchrev) . '\b';
                   2804:       $regex = qr/$regex/;
3.120     scop     2805:
                   2806:       foreach my $r (@revorder) {
3.222     scop     2807:         if ($r =~ $regex) {
3.120     scop     2808:           $rev = $branchrev;
                   2809:           last;
                   2810:         }
                   2811:       }
                   2812:       next if ($rev eq "");
                   2813:
                   2814:       if ($rev ne $head && $head ne "") {
3.131     scop     2815:         $branchpoint{$head} .= ', ' if ($branchpoint{$head});
3.120     scop     2816:         $branchpoint{$head} .= $_;
                   2817:       }
                   2818:     }
                   2819:     $revsym{$rev} .= ", " if ($revsym{$rev});
                   2820:     $revsym{$rev} .= $_;
3.136     scop     2821:     $sel .= sprintf("<option value=\"%s:%s\">%s</option>\n",
                   2822:                     htmlquote($rev), (htmlquote($_)) x 2);
3.120     scop     2823:   }
                   2824:
                   2825:   my ($onlyonbranch, $onlybranchpoint);
                   2826:   if ($onlyonbranch = $input{'only_with_tag'}) {
                   2827:     $onlyonbranch = $symrev{$onlyonbranch};
                   2828:     if ($onlyonbranch =~ s/\b0\.//) {
                   2829:       ($onlybranchpoint = $onlyonbranch) =~ s/\.\d+$//;
                   2830:     } else {
                   2831:       $onlybranchpoint = $onlyonbranch;
                   2832:     }
                   2833:
                   2834:     if (!defined($onlyonbranch) || $onlybranchpoint eq "") {
                   2835:       fatal("404 Tag not found", 'Tag %s not defined',
3.131     scop     2836:             $input{'only_with_tag'});
3.120     scop     2837:     }
                   2838:   }
                   2839:
                   2840:   undef @revisions;
                   2841:
                   2842:   foreach (@allrevisions) {
                   2843:     ($br  = $_)  =~ s/\.\d+$//;
                   2844:     ($brp = $br) =~ s/\.\d+$//;
                   2845:     next if ($onlyonbranch
                   2846:              && $br ne $onlyonbranch
                   2847:              && $_  ne $onlybranchpoint);
                   2848:     unshift (@revisions, $_);
                   2849:   }
                   2850:
                   2851:   if ($logsort eq "date") {
                   2852:
                   2853:     # Sort the revisions in commit order an secondary sort on revision
                   2854:     # (secondary sort needed for imported sources, or the first main
                   2855:     # revision gets before the same revision on the 1.1.1 branch)
                   2856:     @revdisplayorder =
                   2857:       sort { $date{$b} <=> $date{$a} || -revcmp($a, $b) } @revisions;
                   2858:   } elsif ($logsort eq "rev") {
                   2859:
                   2860:     # Sort the revisions in revision order, highest first
                   2861:     @revdisplayorder = reverse sort { revcmp($a, $b) } @revisions;
                   2862:   } else {
                   2863:
                   2864:     # No sorting. Present in the same order as rlog / cvs log
                   2865:     @revdisplayorder = @revisions;
                   2866:   }
                   2867:
3.217     scop     2868:   return $curbranch;
3.120     scop     2869: }
                   2870:
3.175     scop     2871:
3.225   ! scop     2872: sub getDiffLinks($$$)
3.120     scop     2873: {
3.225   ! scop     2874:   my ($url, $mimetype, $isbin) = @_;
        !          2875:
        !          2876:   my @links = ();
        !          2877:   if (!$isbin) { # Offer ordinary diff only for non-binary files.
        !          2878:     push(@links, &link('preferred', $url));
        !          2879:     for my $difftype ($DIFFTYPES{$defaultDiffType}{colored} ? qw(u) : qw(h)) {
        !          2880:       my $f = $difftype eq $defaultDiffType ? '' : $difftype;
        !          2881:       push(@links,
        !          2882:            &link(htmlquote(lc($DIFFTYPES{$difftype}{descr})), "$url;f=$f"));
        !          2883:     }
        !          2884:   }
        !          2885:   if (my $extdiffs = $DIFF_COMMANDS{lc($mimetype)}) {
        !          2886:     for my $i (0 .. scalar(@$extdiffs)-1) {
        !          2887:       my $extdiff = $extdiffs->[$i];
        !          2888:       push(@links, &link(htmlquote($extdiff->{name}), "$url;f=ext$i"))
        !          2889:         if ($extdiff->{cmd} && $extdiff->{name});
        !          2890:     }
3.120     scop     2891:   }
3.225   ! scop     2892:   return @links;
3.120     scop     2893: }
                   2894:
3.175     scop     2895:
3.219     scop     2896: sub printLog($$$;$$)
3.120     scop     2897: {
3.219     scop     2898:   # inlogview: 1 if in log view, otherwise in markup view.
                   2899:   ($_, my $mimetype, my $isbin, my $inlogview, my $isSelected) = @_;
3.175     scop     2900:   (my $br  = $_)  =~ s/\.\d+$//;
                   2901:   (my $brp = $br) =~ s/\.?\d+$//;
3.120     scop     2902:
3.131     scop     2903:   my $isDead = ($state{$_} eq 'dead');
                   2904:
3.219     scop     2905:   (my $filename = $where) =~ s/^.*\///;
                   2906:   my $fileurl   = urlencode($filename);
3.120     scop     2907:
3.219     scop     2908:   print "<a name=\"rev$_\"></a>";
                   2909:   if (defined($revsym{$_})) {
                   2910:     foreach my $sym (split (", ", $revsym{$_})) {
                   2911:       print '<a name="', hrefquote($sym), '"></a>';
3.120     scop     2912:     }
3.219     scop     2913:   }
                   2914:   if ($revsym{$br} && !defined($nameprinted{$br})) {
                   2915:     foreach my $sym (split (", ", $revsym{$br})) {
                   2916:       print '<a name="', hrefquote($sym), '"></a>';
3.120     scop     2917:     }
3.219     scop     2918:     $nameprinted{$br} = 1;
                   2919:   }
3.120     scop     2920:
3.219     scop     2921:   printf "\n Revision <b>%s</b>", htmlquote($_);
                   2922:   if (/^1\.1\.1\.\d+$/) {
                   2923:     print " <i>(vendor branch)</i>";
                   2924:   }
                   2925:   if (!$isDead) {
3.220     scop     2926:     print ': ', download_link($fileurl, $_, 'download', $mimetype);
3.219     scop     2927:
                   2928:     my @vlinks = ();
                   2929:     push(@vlinks, display_link($fileurl, $_, 'text', 'text/plain'))
                   2930:       unless $isbin;
                   2931:     push(@vlinks, display_link($fileurl, $_, 'markup', 'text/x-cvsweb-markup'))
                   2932:       if ($allow_markup && $inlogview && (!$isbin || viewable($mimetype)));
                   2933:     if (!$isbin) {
                   2934:       push(@vlinks,
                   2935:            &link('annotated',
                   2936:                  sprintf('%s/%s?annotate=%s%s',
                   2937:                          $scriptname, urlencode($where), $_, $barequery)))
                   2938:         if $allow_annotate;
                   2939:     }
                   2940:     print ' - view: ', join(', ', @vlinks) if @vlinks;
                   2941:     undef @vlinks;
                   2942:
                   2943:     if (!$isbin) {
                   2944:       if ($inlogview && $allow_version_select) {
                   2945:         print ' - ';
                   2946:         if ($isSelected) {
                   2947:           print '<b>[selected&nbsp;for&nbsp;diffs]</b>';
                   2948:         } else {
                   2949:           print &link('select&nbsp;for&nbsp;diffs',
                   2950:                       sprintf('%s?r1=%s%s#rev%s',
                   2951:                               $scriptwhere, $_, $barequery, $_));
                   2952:         }
                   2953:       } elsif ($allow_cvsgraph) {
                   2954:         print ' - ', &graph_link('', 'graph');
3.120     scop     2955:       }
                   2956:     }
                   2957:   }
3.219     scop     2958:   print "<br />\n";
3.120     scop     2959:
3.219     scop     2960:   print '<i>';
3.120     scop     2961:   if (defined @mytz) {
                   2962:     my ($est) = $mytz[(localtime($date{$_}))[8]];
3.219     scop     2963:     print scalar localtime($date{$_}), " $est</i> (";
3.120     scop     2964:   } else {
3.219     scop     2965:     print scalar gmtime($date{$_}), " UTC</i> (";
3.120     scop     2966:   }
3.136     scop     2967:   print readableTime(time() - $date{$_}, 1), ' ago)';
3.208     scop     2968:   print ' by <i>', htmlquote($author{$_}), "</i><br />\n";
3.136     scop     2969:
                   2970:   if ($revsym{$br}) {
3.219     scop     2971:     printf "Branches: %s<br />\n",
                   2972:       $inlogview ? link_tags($revsym{$br}) : htmlquote($revsym{$br});
3.136     scop     2973:   }
                   2974:   if ($revsym{$_}) {
3.219     scop     2975:     printf "CVS tags: %s<br />\n",
                   2976:       $inlogview ? link_tags($revsym{$_}) : htmlquote($revsym{$_});
3.136     scop     2977:   }
                   2978:   if ($branchpoint{$_}) {
3.219     scop     2979:     printf "Branch point for: %s<br />\n",
                   2980:       $inlogview ? link_tags($branchpoint{$_}) : htmlquote($branchpoint{$_});
3.136     scop     2981:   }
3.120     scop     2982:
                   2983:   # Find the previous revision
3.175     scop     2984:   my $prev;
3.120     scop     2985:   my @prevrev = split (/\./, $_);
                   2986:   do {
                   2987:     if (--$prevrev[$#prevrev] <= 0) {
                   2988:
                   2989:       # If it was X.Y.Z.1, just make it X.Y
                   2990:       pop (@prevrev);
                   2991:       pop (@prevrev);
                   2992:     }
                   2993:     $prev = join (".", @prevrev);
                   2994:   } until (defined($date{$prev}) || $prev eq "");
                   2995:
                   2996:   if ($isDead) {
3.219     scop     2997:     print "<b><i>FILE REMOVED</i></b><br />\n";
                   2998:   } elsif ($inlogview) {
3.120     scop     2999:     my %diffrev = ();
                   3000:     $diffrev{$_} = 1;
                   3001:     $diffrev{""} = 1;
                   3002:     my $diff = 'Diff';
3.219     scop     3003:     my $printed = 0;
3.120     scop     3004:
                   3005:     #
                   3006:     # Offer diff to previous revision
                   3007:     if ($prev) {
                   3008:       $diffrev{$prev} = 1;
                   3009:       my $url =
3.203     scop     3010:         sprintf('%s.diff?r1=%s;r2=%s%s', $scriptwhere, $prev, $_, $barequery);
3.225   ! scop     3011:       if (my @dlinks = getDiffLinks($url, $mimetype, $isbin)) {
        !          3012:         print $diff, ' to previous ', $prev, ': ', join(', ', @dlinks);
        !          3013:         $diff = ''; $printed = 1;
        !          3014:       }
3.120     scop     3015:     }
                   3016:
                   3017:     #
                   3018:     # Plus, if it's on a branch, and it's not a vendor branch,
                   3019:     # offer a diff with the branch point.
                   3020:     if ($revsym{$brp}
                   3021:       && !/^1\.1\.1\.\d+$/
                   3022:       && !defined($diffrev{$brp}))
                   3023:     {
                   3024:       my $url =
3.203     scop     3025:         sprintf('%s.diff?r1=%s;r2=%s%s', $scriptwhere, $brp, $_, $barequery);
3.225   ! scop     3026:       if (my @dlinks = getDiffLinks($url, $mimetype, $isbin)) {
        !          3027:         print $diff, ' to branchpoint ', $brp, ': ', join(', ', @dlinks);
        !          3028:         $diff = ''; $printed = 1;
        !          3029:       }
3.120     scop     3030:     }
                   3031:
                   3032:     #
                   3033:     # Plus, if it's on a branch, and it's not a vendor branch,
                   3034:     # offer to diff with the next revision of the higher branch.
                   3035:     # (e.g. change gets committed and then brought
                   3036:     # over to -stable)
                   3037:     if (/^\d+\.\d+\.\d+/ && !/^1\.1\.1\.\d+$/) {
                   3038:       my ($i, $nextmain);
                   3039:
                   3040:       for ($i = 0; $i < $#revorder && $revorder[$i] ne $_; $i++) {
                   3041:       }
                   3042:       my @tmp2 = split (/\./, $_);
                   3043:       for ($nextmain = ""; $i > 0; $i--) {
                   3044:         my $next = $revorder[$i - 1];
                   3045:         my @tmp1 = split (/\./, $next);
                   3046:
                   3047:         if (@tmp1 < @tmp2) {
                   3048:           $nextmain = $next;
                   3049:           last;
                   3050:         }
                   3051:
                   3052:         # Only the highest version on a branch should have
                   3053:         # a diff for the "next main".
                   3054:         last
                   3055:           if (@tmp1 - 1 <= @tmp2
                   3056:           && join (".", @tmp1[0 .. $#tmp1 - 1]) eq
                   3057:           join (".", @tmp2[0 .. $#tmp1 - 1]));
                   3058:       }
                   3059:
                   3060:       if (!defined($diffrev{$nextmain})) {
                   3061:         $diffrev{$nextmain} = 1;
3.203     scop     3062:         my $url = sprintf('%s.diff?r1=%s;r2=%s%s',
3.120     scop     3063:           $scriptwhere, $nextmain, $_, $barequery);
3.225   ! scop     3064:         if (my @dlinks = getDiffLinks($url, $mimetype, $isbin)) {
        !          3065:           print $diff, ' next main ', $nextmain, ': ', join(', ', @dlinks);
        !          3066:           $diff = ''; $printed = 1;
        !          3067:         }
3.120     scop     3068:       }
                   3069:     }
                   3070:
                   3071:     # Plus if user has selected only r1, then present a link
                   3072:     # to make a diff to that revision
                   3073:     if (defined($input{"r1"}) && !defined($diffrev{$input{"r1"}})) {
                   3074:       $diffrev{$input{"r1"}} = 1;
3.203     scop     3075:       my $url = sprintf('%s.diff?r1=%s;r2=%s%s',
3.120     scop     3076:         $scriptwhere, $input{'r1'}, $_, $barequery);
3.225   ! scop     3077:       if (my @dlinks = getDiffLinks($url, $mimetype, $isbin)) {
        !          3078:         print $diff, ' to selected ', $input{r1}, ': ', join(', ', @dlinks);
        !          3079:         $diff = ''; $printed = 1;
        !          3080:       }
3.120     scop     3081:     }
                   3082:
3.219     scop     3083:     print "<br />\n" if $printed;
                   3084:   }
                   3085:
                   3086:   if ($prev ne "" && $difflines{$_}) {
                   3087:     printf "Changes since revision %s: %s lines<br />\n",
                   3088:       htmlquote($prev), htmlquote($difflines{$_});
3.120     scop     3089:   }
3.189     scop     3090:
3.219     scop     3091:   print "<pre class=\"log\">\n";
3.120     scop     3092:   print &htmlify($log{$_}, $allow_log_extra);
                   3093:   print "</pre>\n";
                   3094: }
                   3095:
3.175     scop     3096:
3.132     scop     3097: #
                   3098: # Generates the HTML view for CvsGraph.
                   3099: #
3.170     scop     3100: sub doGraphView()
3.132     scop     3101: {
                   3102:   (my $pathname = $where) =~ s|[^/]*$||;
                   3103:   (my $filename = $where) =~ s|^.*/||;
                   3104:
3.170     scop     3105:   navigateHeader($scriptwhere, $pathname, $filename, undef, 'graph');
3.132     scop     3106:
3.146     scop     3107:   my $title = 'Revision graph of ' . htmlquote($pathname . $filename);
3.132     scop     3108:   my $mapname = 'CvsGraphMap';
                   3109:
3.170     scop     3110:   printf(<<EOF, $title, $mapname, $cvstree, $title);
3.146     scop     3111: <h3 style="text-align: center">%s</h3>
3.219     scop     3112: <div style="text-align: center"><img border="0" usemap="#%s" src="?cvsroot=%s;graph=1;makeimage=1" alt="%s" />
3.146     scop     3113: EOF
3.132     scop     3114:
3.181     scop     3115:   my $qquery = hrefquote($barequery);
3.135     scop     3116:   my @graph_cmd =
                   3117:     ($CMD{cvsgraph},
                   3118:      '-r', $cvsroot,
                   3119:      '-i',
                   3120:      '-M', $mapname,
3.208     scop     3121:      '-x', 'x',
3.181     scop     3122:      "-Omap_branch_href=\"href=\\\"./?only_with_tag=%(%t%)$qquery\\\"\"",
3.219     scop     3123:      "-Omap_rev_href=\"href=\\\"?rev=%(%R%)$qquery\\\"\"",
3.146     scop     3124:      "-Omap_diff_href=\"href=\\\"%(%F%).diff" .
3.203     scop     3125:      "?r1=%(%P%);r2=%(%R%)$qquery\\\"\"",
3.135     scop     3126:      );
3.132     scop     3127:   push(@graph_cmd, '-c', $cvsgraph_config) if $cvsgraph_config;
3.174     scop     3128:   push(@graph_cmd, catfile($pathname, $filename . ',v'));
3.132     scop     3129:
3.174     scop     3130:   local *CVSGRAPH_OUT;
                   3131:   my ($h, $err) =
                   3132:     startproc(\@graph_cmd, \"", '>pipe', \*CVSGRAPH_OUT, timeout(30));
                   3133:   fatal('500 Internal Error', $err) unless $h;
                   3134:   {
                   3135:     local $/ = undef;
                   3136:     print <CVSGRAPH_OUT>;
3.132     scop     3137:   }
3.174     scop     3138:   finish($h);
3.219     scop     3139:   print "</div>\n";
3.132     scop     3140:
                   3141:   html_footer();
                   3142: }
                   3143:
3.175     scop     3144:
3.132     scop     3145: #
                   3146: # Generates a graph using CvsGraph.
                   3147: #
3.170     scop     3148: sub doGraph()
3.132     scop     3149: {
                   3150:   (my $pathname = $where) =~ s|[^/]*$||;
                   3151:   (my $filename = $where) =~ s|^.*/||;
                   3152:
                   3153:   http_header('image/png');
                   3154:
                   3155:   my @graph_cmd = ($CMD{cvsgraph}, '-r', $cvsroot);
                   3156:   push(@graph_cmd, '-c', $cvsgraph_config) if $cvsgraph_config;
3.174     scop     3157:   push(@graph_cmd, catfile($pathname, $filename . ',v'));
3.132     scop     3158:
3.174     scop     3159:   local *CVSGRAPH_OUT;
                   3160:   my ($h, $err) =
                   3161:     startproc(\@graph_cmd, \"", '>pipe', \*CVSGRAPH_OUT, timeout(30));
                   3162:   fatal('500 Internal Error', $err) unless $h;
3.132     scop     3163:   {
                   3164:     local $/ = undef;
                   3165:     binmode(\*STDOUT);
3.174     scop     3166:     print <CVSGRAPH_OUT>;
3.132     scop     3167:   }
3.174     scop     3168:   finish($h);
3.132     scop     3169: }
                   3170:
                   3171:
3.120     scop     3172: sub doLog($)
                   3173: {
                   3174:   my ($fullname) = @_;
                   3175:
3.217     scop     3176:   my $curbranch = readLog($fullname);
3.120     scop     3177:
                   3178:   html_header("CVS log for $where");
3.144     scop     3179:
                   3180:   (my $upwhere  = $where) =~ s|(Attic/)?[^/]+$||;
                   3181:   (my $filename = $where) =~ s|^.*/||;
                   3182:   my $backurl = $scriptname . "/" . urlencode($upwhere) . $query;
                   3183:
3.219     scop     3184:   my $isbin = $keywordsubstitution =~ /b/;
                   3185:   my $mimetype = getMimeType($filename, $isbin);
                   3186:
3.120     scop     3187:   print "<p>\n ";
                   3188:   print &link($backicon, "$backurl#$filename"), " <b>Up to ",
                   3189:     &clickablePath($upwhere, 1), "</b>\n</p>\n";
                   3190:   print "<p>\n ";
                   3191:   print &link('Request diff between arbitrary revisions', '#diff');
3.132     scop     3192:   if ($allow_cvsgraph) {
3.219     scop     3193:     print ' - ', &graph_link('', 'Display revisions graphically');
3.132     scop     3194:   }
3.208     scop     3195:   print "\n</p>\n<hr />\n";
3.120     scop     3196:
                   3197:   print "<p>\n";
3.152     scop     3198:
3.219     scop     3199:   my $explain = $isbin ? ' (i.e.: CVS considers this a binary file)' : '';
3.208     scop     3200:   print "Keyword substitution: $keywordsubstitution$explain<br />\n";
3.217     scop     3201:   if ($curbranch) {
                   3202:     print "Default branch: ", ($revsym{$curbranch} || $curbranch);
                   3203:   } else {
                   3204:     print "No default branch";
                   3205:   }
3.208     scop     3206:   print "<br />\n";
3.120     scop     3207:
3.208     scop     3208:   print 'Current tag: ', htmlquote($input{only_with_tag}), "<br />\n"
3.153     scop     3209:     if $input{only_with_tag};
3.120     scop     3210:   print "</p>\n";
                   3211:
                   3212:   undef %nameprinted;
                   3213:
3.182     scop     3214:   for my $r (@revdisplayorder) {
3.208     scop     3215:     print "<hr />\n";
3.182     scop     3216:     my $sel = (defined($input{r1}) && $input{r1} eq $r);
                   3217:     print "<div class=\"diff-selected\">\n" if $sel;
3.219     scop     3218:     printLog($r, $mimetype, $isbin, 1, $sel);
3.182     scop     3219:     print "</div>\n" if $sel;
3.120     scop     3220:   }
                   3221:
3.144     scop     3222:   printf(<<EOF, $scriptwhere);
3.208     scop     3223: <hr />
                   3224: <form method="get" action="%s.diff" id="diff_select">
3.189     scop     3225: <fieldset>
                   3226: <legend>Diff request</legend>
3.144     scop     3227: <p>
                   3228:  <a name="diff">
3.189     scop     3229:   This form allows you to request diffs between any two revisions of a file.
3.144     scop     3230:   You may select a symbolic revision name using the selection box or you may
                   3231:   type in a numeric name using the type-in text box.
                   3232:  </a>
                   3233: </p>
                   3234: EOF
3.120     scop     3235:
                   3236:   foreach (@stickyvars) {
3.208     scop     3237:     printf("<input type=\"hidden\" name=\"%s\" value=\"%s\" />\n",
3.154     scop     3238:            $_, htmlquote($input{$_}))
3.194     scop     3239:       if (defined($input{$_}) &&
                   3240:           (!defined($DEFAULTVALUE{$_}) || $input{$_} ne $DEFAULTVALUE{$_}));
3.120     scop     3241:   }
3.144     scop     3242:
                   3243:   print <<EOF;
3.189     scop     3244: <table summary="Diff between arbitrary revisions">
3.144     scop     3245: <tr>
3.189     scop     3246: <td class="opt-label">
                   3247: <label for="r1" accesskey="1">Diffs between</label>
                   3248: </td>
                   3249: <td class="opt-value">
3.144     scop     3250: <select id="r1" name="r1">
3.208     scop     3251: <option value="text" selected="selected">Use Text Field</option>
3.144     scop     3252: EOF
                   3253:   print $sel, "</select>\n";
                   3254:
                   3255:   my $diffrev = defined($input{r1}) ?
                   3256:     $input{r1} : $revdisplayorder[$#revdisplayorder];
                   3257:
                   3258:   printf(<<EOF, $inputTextSize, $diffrev);
3.208     scop     3259: <input type="text" size="%s" name="tr1" value="%s" onchange="this.form.r1.selectedIndex=0" />
3.144     scop     3260: </td>
3.189     scop     3261: <td></td>
                   3262: </tr>
                   3263: <tr>
                   3264: <td class="opt-label">
                   3265: <label for="r2" accesskey="2">and</label>
                   3266: </td>
                   3267: <td class="opt-value">
3.144     scop     3268: <select id="r2" name="r2">
3.208     scop     3269: <option value="text" selected="selected">Use Text Field</option>
3.144     scop     3270: EOF
                   3271:   print $sel, "</select>\n";
                   3272:
                   3273:   $diffrev = defined($input{r2}) ? $input{r2} : $revdisplayorder[0];
                   3274:
                   3275:   printf(<<EOF, $inputTextSize, $diffrev, $scriptwhere);
3.208     scop     3276: <input type="text" size="%s" name="tr2" value="%s" onchange="this.form.r2.selectedIndex=0" />
3.144     scop     3277: </td>
3.208     scop     3278: <td><input type="submit" value="Get Diffs" accesskey="G" /></td>
3.144     scop     3279: </tr>
                   3280: </table>
3.189     scop     3281: </fieldset>
3.144     scop     3282: </form>
                   3283: <form method="get" action="%s">
3.189     scop     3284: <fieldset>
                   3285: <legend>Log view options</legend>
                   3286: <table summary="Log view options">
3.144     scop     3287: <tr>
3.189     scop     3288: <td class="opt-label">
                   3289: <label for="f" accesskey="D">Preferred diff type:</label>
                   3290: </td>
                   3291: <td class="opt-value">
3.144     scop     3292: EOF
3.120     scop     3293:   printDiffSelect($use_java_script);
3.144     scop     3294:   print <<EOF;
3.189     scop     3295: </td>
                   3296: <td></td>
3.144     scop     3297: </tr>
                   3298: EOF
3.120     scop     3299:
                   3300:   if (@branchnames) {
3.144     scop     3301:
                   3302:     printf(<<EOF, $use_java_script ? ' onchange="this.form.submit()"' : '');
                   3303: <tr>
3.189     scop     3304: <td class="opt-label">
3.188     scop     3305: <label for="only_with_tag" accesskey="B">View only branch:</label>
3.189     scop     3306: </td>
                   3307: <td class="opt-value">
                   3308: <a name="branch">
3.144     scop     3309: <select id="only_with_tag" name="only_with_tag"%s>
                   3310: EOF
3.120     scop     3311:
3.193     scop     3312:     my @tmp = ();
                   3313:     my $selfound = 0;
3.120     scop     3314:     foreach (reverse sort @branchnames) {
3.136     scop     3315:       my $selected =
                   3316:         (defined($input{"only_with_tag"}) && $input{"only_with_tag"} eq $_);
3.193     scop     3317:       $selfound ||= $selected;
                   3318:       push(@tmp, sprintf('<option%s>%s</option>',
3.208     scop     3319:                          $selected ? ' selected="selected"' : '',
3.193     scop     3320:                          htmlquote($_)));
3.120     scop     3321:     }
3.193     scop     3322:     printf("<option value=\"\"%s>Show all branches</option>\n",
3.208     scop     3323:            $selfound ? '' : ' selected="selected"');
3.193     scop     3324:     print join("\n", @tmp);
                   3325:
3.144     scop     3326:     print <<EOF
                   3327: </select>
3.189     scop     3328: </a>
3.144     scop     3329: </td>
                   3330: <td></td>
                   3331: </tr>
                   3332: EOF
3.120     scop     3333:   }
                   3334:
3.144     scop     3335:   print <<EOF;
3.189     scop     3336: <tr>
                   3337: <td class="opt-label">
                   3338: <label for="logsort" accesskey="L">Sort log by:</label>
                   3339: </td>
                   3340: <td>
3.144     scop     3341: EOF
3.120     scop     3342:   printLogSortSelect($use_java_script);
3.144     scop     3343:   print <<EOF;
3.189     scop     3344: </td>
3.208     scop     3345: <td><input type="submit" value="Set" accesskey="S" /></td>
3.189     scop     3346: </tr>
3.144     scop     3347: </table>
                   3348: EOF
3.154     scop     3349:   foreach (@stickyvars) {
                   3350:     next if ($_ eq "f");
                   3351:     next if ($_ eq "only_with_tag");
                   3352:     next if ($_ eq "logsort");
3.208     scop     3353:     printf("<input type=\"hidden\" name=\"$_\" value=\"%s\" />\n",
3.154     scop     3354:            htmlquote($input{$_}))
                   3355:       if (defined($input{$_})
3.194     scop     3356:           && (!defined($DEFAULTVALUE{$_}) || $input{$_} ne $DEFAULTVALUE{$_}));
3.154     scop     3357:   }
3.189     scop     3358:   print "</fieldset>\n</form>\n";
3.120     scop     3359:   html_footer();
                   3360: }
                   3361:
3.175     scop     3362:
3.120     scop     3363: sub flush_diff_rows($$$$)
                   3364: {
                   3365:   my ($leftColRef, $rightColRef, $leftRow, $rightRow) = @_;
                   3366:
3.175     scop     3367:   return unless defined($state);
3.120     scop     3368:
                   3369:   if ($state eq "PreChangeRemove") {    # we just got remove-lines before
3.133     scop     3370:     for (my $j = 0; $j < $leftRow; $j++) {
3.144     scop     3371:       printf(<<EOF, scalar(@$leftColRef[$j]));
                   3372: <tr>
                   3373:  <td class="diff-removed">&nbsp;%s</td>
                   3374:  <td class="diff-empty">&nbsp;</td>
                   3375: </tr>
                   3376: EOF
3.120     scop     3377:     }
                   3378:   } elsif ($state eq "PreChange") {     # state eq "PreChange"
                   3379:                                         # we got removes with subsequent adds
3.222     scop     3380:     if (HAS_EDIFF) {
3.176     scop     3381:       # construct the suffix tree
                   3382:       my $left_diff = join("\n", @$leftColRef[0..$leftRow-1]);
                   3383:       my $right_diff = join("\n", @$rightColRef[0..$rightRow-1]);
                   3384:       my $diff_str = String::Ediff::ediff($left_diff, $right_diff);
                   3385:
                   3386:       my @diff_str = split(/ /, $diff_str);
                   3387:       my $INFINITY = 10000000;
                   3388:       push(@diff_str, ($INFINITY) x 8);
                   3389:       my ($idx, $b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2) =
                   3390:         (0, @diff_str[0..7]);
                   3391:       my ($l_cul, $r_cul) = (0, 0);
                   3392:       my ($ldx, $rdx) = (0, 0);
                   3393:       my (@left_html, @right_html);
                   3394:       for (my $j = 0; $j < $leftRow; $j++) {
                   3395:         my $line_len = length(@$leftColRef[$j]);
                   3396:         my $line = @$leftColRef[$j];
                   3397:         $l_cul += length($line) + 1; # includes "\n"
                   3398:         my $l_culx = $l_cul - 1; # not includes "\n"
                   3399:         if ($j < $lb1) {
                   3400:           $line = spacedHtmlText($line);
                   3401:           push(@left_html, "<td class=\"diff-changed\">$line</td>");
                   3402:         } elsif ($lb1 == $j) {
                   3403:           my $html_line;
                   3404:           while ($lb1 == $j) {
                   3405:             my $begin_char = $l_culx - $b1;
                   3406:
                   3407:             $line =~ /^(.*)(.{$begin_char})$/;
                   3408:             $html_line .= spacedHtmlText($1) .
                   3409:               '</span><span class="diff-unchanged">';
                   3410:             $line = $2;
                   3411:             last if ($j != $le1);
                   3412:
                   3413:             my $end_char = $l_culx - $e1;
                   3414:             $line =~ /^(.*)(.{$end_char})$/;
                   3415:             $html_line .= spacedHtmlText($1) .
                   3416:               '</span><span class="diff-changed">';
                   3417:             $line = $2;
                   3418:
                   3419:             $idx++;
                   3420:             my ($tb1, $te1, $tlb1, $tle1, $tb2, $te2, $tlb2, $tle2) =
                   3421:               ($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2);
                   3422:             ($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2) =
                   3423:               @diff_str[$idx*8..($idx+1)*8-1];
                   3424:             $lb1 = $INFINITY if ($lb1 < 0);
                   3425:             $lb2 = $INFINITY if ($lb2 < 0);
                   3426:             $le1 = $INFINITY if ($le1 < 0);
                   3427:             $le2 = $INFINITY if ($le2 < 0);
                   3428:             if ($te1 > $b1) {
                   3429:               ($b1, $lb1) = ($te1, $tle1);
                   3430:             }
                   3431:             if ($te2 > $b2) {
                   3432:               ($b2, $lb2) = ($te2, $tle2);
                   3433:             }
                   3434:           }
                   3435:           push(@left_html,
                   3436:                sprintf('<td><span class="%s">%s%s</span></td>',
                   3437:                        'diff-changed', $html_line, spacedHtmlText($line)));
                   3438:         } elsif ($le1 == $j) {
                   3439:           my $html_line;
                   3440:           while ($le1 == $j) {
                   3441:             my $end_char = $l_culx - $e1;
                   3442:             $line =~ /^(.*)(.{$end_char})$/;
                   3443:             $html_line .= spacedHtmlText($1) .
                   3444:               '</span><span class="diff-changed">';
                   3445:             $line = $2;
                   3446:
                   3447:             $idx++;
                   3448:             my ($tb1, $te1, $tlb1, $tle1, $tb2, $te2, $tlb2, $tle2) =
                   3449:               ($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2);
                   3450:             ($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2) =
                   3451:               @diff_str[$idx*8..($idx+1)*8-1];
                   3452:             $lb1 = $INFINITY if ($lb1 < 0);
                   3453:             $lb2 = $INFINITY if ($lb2 < 0);
                   3454:             $le1 = $INFINITY if ($le1 < 0);
                   3455:             $le2 = $INFINITY if ($le2 < 0);
                   3456:             if ($te1 > $b1) {
                   3457:               ($b1, $lb1) = ($te1, $tle1);
                   3458:             }
                   3459:             if ($te2 > $b2) {
                   3460:               ($b2, $lb2) = ($te2, $tle2);
                   3461:             }
                   3462:
                   3463:             last if ($lb1 != $j);
                   3464:
                   3465:             my $begin_char = $l_culx - $b1;
                   3466:
                   3467:             $line =~ /^(.*)(.{$begin_char})$/;
                   3468:             $html_line .= spacedHtmlText($1) .
                   3469:               '</span><span class="diff-unchanged">';
                   3470:             $line = $2;
                   3471:           }
                   3472:           push(@left_html,
                   3473:                sprintf('<td><span class="%s">%s%s</span></td>',
                   3474:                        'diff-unchanged', $html_line, spacedHtmlText($line)));
                   3475:         } else {
                   3476:           $line = spacedHtmlText($line);
                   3477:           push(@left_html, "<td class=\"diff-unchanged\">$line</td>");
                   3478:         }
                   3479:       }
                   3480:       ($idx, $b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2) =
                   3481:         (0, @diff_str[0..7]);
                   3482:       $lb1 = $INFINITY if ($lb1 < 0);
                   3483:       $lb2 = $INFINITY if ($lb2 < 0);
                   3484:       $le1 = $INFINITY if ($le1 < 0);
                   3485:       $le2 = $INFINITY if ($le2 < 0);
                   3486:       for (my $j = 0; $j < $rightRow; $j++) {
                   3487:         my $line_len = length(@$rightColRef[$j]);
                   3488:         my $line = @$rightColRef[$j];
                   3489:         $r_cul += length($line) + 1; # includes "\n"
                   3490:         my $r_culx = $r_cul - 1; # not includes "\n"
                   3491:         if ($j < $lb2) {
                   3492:           $line = spacedHtmlText($line);
                   3493:           push(@right_html, "<td class=\"diff-changed\">$line</td>");
                   3494:         } elsif ($lb2 == $j) {
                   3495:           my $html_line;
                   3496:           while ($lb2 == $j) {
                   3497:             my $begin_char = $r_culx - $b2;
                   3498:
                   3499:             $line =~ /^(.*)(.{$begin_char})$/;
                   3500:             $html_line .= spacedHtmlText($1) .
                   3501:               '</span><span class="diff-unchanged">';
                   3502:             $line = $2;
                   3503:
                   3504:             last if ($j != $le2);
                   3505:
                   3506:             my $end_char = $r_culx - $e2;
                   3507:             $line =~ /^(.*)(.{$end_char})$/;
                   3508:             $html_line .= spacedHtmlText($1) .
                   3509:               '</span><span class="diff-changed">';
                   3510:             $line = $2;
                   3511:
                   3512:             $idx++;
                   3513:             my ($tb1, $te1, $tlb1, $tle1, $tb2, $te2, $tlb2, $tle2) =
                   3514:               ($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2);
                   3515:             ($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2) =
                   3516:               @diff_str[$idx*8..($idx+1)*8-1];
                   3517:             $lb1 = $INFINITY if ($lb1 < 0);
                   3518:             $lb2 = $INFINITY if ($lb2 < 0);
                   3519:             $le1 = $INFINITY if ($le1 < 0);
                   3520:             $le2 = $INFINITY if ($le2 < 0);
                   3521:             if ($te1 > $b1) {
                   3522:               ($b1, $lb1) = ($te1, $tle1);
                   3523:             }
                   3524:             if ($te2 > $b2) {
                   3525:               ($b2, $lb2) = ($te2, $tle2);
                   3526:             }
                   3527:           }
                   3528:           push(@right_html,
                   3529:                sprintf('<td><span class="%s">%s%s</span></td>',
                   3530:                        'diff-changed', $html_line, spacedHtmlText($line)));
                   3531:         } elsif ($le2 == $j) {
                   3532:           my $html_line;
                   3533:           while ($le2 == $j) {
                   3534:             my $end_char = $r_culx - $e2;
                   3535:             $line =~ /^(.*)(.{$end_char})$/;
                   3536:             $html_line .= spacedHtmlText($1) .
                   3537:               '</span><span class="diff-changed">';
                   3538:             $line = $2;
                   3539:
                   3540:             $idx++;
                   3541:             my ($tb1, $te1, $tlb1, $tle1, $tb2, $te2, $tlb2, $tle2) =
                   3542:               ($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2);
                   3543:             ($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2) =
                   3544:               @diff_str[$idx*8..($idx+1)*8-1];
                   3545:             $lb1 = $INFINITY if ($lb1 < 0);
                   3546:             $lb2 = $INFINITY if ($lb2 < 0);
                   3547:             $le1 = $INFINITY if ($le1 < 0);
                   3548:             $le2 = $INFINITY if ($le2 < 0);
                   3549:             if ($te1 > $b1) {
                   3550:               ($b1, $lb1) = ($te1, $tle1);
                   3551:             }
                   3552:             if ($te2 > $b2) {
                   3553:               ($b2, $lb2) = ($te2, $tle2);
                   3554:             }
                   3555:
                   3556:             last if ($lb2 != $j);
                   3557:
                   3558:             my $begin_char = $r_culx - $b2;
                   3559:             $line =~ /^(.*)(.{$begin_char})$/;
                   3560:             $html_line .= spacedHtmlText($1) .
                   3561:               '</span><span class="diff-unchanged">';
                   3562:             $line = $2;
                   3563:           }
                   3564:           push(@right_html,
3.208     scop     3565:                sprintf('<td nowrap="nowrap"><span class="%s">%s%s</span></td>',
3.176     scop     3566:                        'diff-unchanged', $html_line, spacedHtmlText($line)));
                   3567:         } else {
                   3568:           $line = spacedHtmlText ($line);
                   3569:           push @right_html, "<td class=\"diff-unchanged\">$line</td>";
                   3570:         }
                   3571:       }
                   3572:       for (my $j = 0; $j < $leftRow || $j < $rightRow ; $j++) { # dump out both cols
                   3573:         print  '<tr>';
                   3574:         if ($j < $leftRow) {
                   3575:           print $left_html[$j];
                   3576:         } else {
                   3577:           print '<td class="diff-changed-missing">&nbsp;</td>';
                   3578:         }
                   3579:         if ($j < $rightRow) {
                   3580:           print $right_html[$j];
                   3581:         } else {
                   3582:           print '<td class="diff-changed-missing">&nbsp;</td>';
                   3583:         }
                   3584:         print "</tr>\n";
3.120     scop     3585:       }
3.176     scop     3586:     } else {
                   3587:       for (my $j = 0; $j < $leftRow || $j < $rightRow; $j++) { # dump both cols
                   3588:         print "<tr>\n";
                   3589:         if ($j < $leftRow) {
                   3590:           print '<td class="diff-changed">&nbsp;' .
                   3591:             spacedHtmlText(@$leftColRef[$j]) . '</td>';
                   3592:         } else {
                   3593:           print '<td class="diff-changed-missing">&nbsp;</td>';
                   3594:         }
                   3595:         print "\n";
3.120     scop     3596:
3.176     scop     3597:         if ($j < $rightRow) {
                   3598:           print '<td class="diff-changed">&nbsp;' .
                   3599:             spacedHtmlText(@$rightColRef[$j]) . '</td>';
                   3600:         } else {
                   3601:           print '<td class="diff-changed-missing">&nbsp;</td>';
                   3602:         }
                   3603:         print "\n</tr>\n";
3.120     scop     3604:       }
                   3605:     }
                   3606:   }
3.1       knu      3607: }
                   3608:
3.175     scop     3609:
3.1       knu      3610: ##
                   3611: # Function to generate Human readable diff-files
                   3612: # human_readable_diff(String revision_to_return_to);
                   3613: ##
3.144     scop     3614: sub human_readable_diff($$)
3.120     scop     3615: {
                   3616:   my ($fh, $rev) = @_;
3.144     scop     3617:
3.169     scop     3618:   (my $where_nd       = $where)       =~ s|\.diff$||;
                   3619:   (my $filename       = $where_nd)    =~ s|^.*/||;
                   3620:   (my $pathname       = $where_nd)    =~ s|(Attic/)?[^/]*$||;
                   3621:   (my $scriptwhere_nd = $scriptwhere) =~ s|\.diff$||;
3.120     scop     3622:
3.133     scop     3623:   navigateHeader($scriptwhere_nd, $pathname, $filename, $rev, 'diff');
3.120     scop     3624:
3.178     scop     3625:   # Read header to pick up read revision and date, if possible.
                   3626:
                   3627:   my ($r1d, $r1r, $r2d, $r2r);
3.120     scop     3628:   while (<$fh>) {
                   3629:     ($r1d, $r1r) = /\t(.*)\t(.*)$/ if (/^--- /);
                   3630:     ($r2d, $r2r) = /\t(.*)\t(.*)$/ if (/^\+\+\+ /);
                   3631:     last if (/^\+\+\+ /);
                   3632:   }
                   3633:
3.178     scop     3634:   my ($rev1, $date1);
3.120     scop     3635:   if (defined($r1r) && $r1r =~ /^(\d+\.)+\d+$/) {
                   3636:     $rev1  = $r1r;
                   3637:     $date1 = $r1d;
                   3638:   }
3.178     scop     3639:   my ($rev2, $date2);
3.120     scop     3640:   if (defined($r2r) && $r2r =~ /^(\d+\.)+\d+$/) {
                   3641:     $rev2  = $r2r;
                   3642:     $date2 = $r2d;
                   3643:   }
3.178     scop     3644:   $rev1  = 'unknown-left'  unless defined($rev1);
                   3645:   $rev2  = 'unknown-right' unless defined($rev2);
                   3646:   $date1 = defined($date1) ? ', ' . htmlquote($date1) : '';
                   3647:   $date2 = defined($date2) ? ', ' . htmlquote($date2) : '';
3.120     scop     3648:
3.219     scop     3649:   my $link = uri_escape($filename) . $query;
3.210     scop     3650:
3.144     scop     3651:   # Using <table style=\"border: none\" here breaks NS 4.x badly...
3.210     scop     3652:   print <<EOF;
                   3653: <h3 style="text-align: center">Diff for /$where_nd between versions $rev1 and $rev2</h3>
                   3654: <table border="0" cellspacing="0" cellpadding="0" width="100%" summary="Diff output">
3.144     scop     3655: <tr style="background-color: #ffffff">
3.210     scop     3656: <th style="text-align: center; vertical-align: top" width="50%">
                   3657: <a href="$link;rev=$rev1">version $rev1</a>$date1
3.178     scop     3658: </th>
3.210     scop     3659: <th style="text-align: center; vertical-align: top" width="50%">
                   3660: <a href="$link;rev=$rev2">version $rev2</a>$date2
3.144     scop     3661: </th>
3.178     scop     3662: </tr>
3.144     scop     3663: EOF
3.120     scop     3664:
                   3665:   # Process diff text
                   3666:   # prefetch several lines
                   3667:   my @buf = head($fh);
3.144     scop     3668:   my %d = scan_directives(@buf);
3.120     scop     3669:
3.144     scop     3670:   my $leftRow  = 0;
                   3671:   my $rightRow = 0;
                   3672:   my ($difftxt, @rightCol, @leftCol, $oldline, $newline, $funname);
3.120     scop     3673:
3.219     scop     3674:   $link .= ';content-type=text%2Fx-cvsweb-markup';
3.210     scop     3675:   $link .= ';ln=1' unless ($link =~ /\?.*\bln=1\b/);
                   3676:
3.120     scop     3677:   while (@buf || !eof($fh)) {
                   3678:     $difftxt = @buf ? shift @buf : <$fh>;
                   3679:
                   3680:     if ($difftxt =~ /^@@/) {
                   3681:       ($oldline, $newline, $funname) =
                   3682:         $difftxt =~ /@@ \-([0-9]+).*\+([0-9]+).*@@(.*)/;
                   3683:       $funname = htmlquote($funname);
                   3684:       $funname =~ s/\s/&nbsp;/go;
3.182     scop     3685:       $funname &&= "&nbsp;<span style=\"font-size: smaller\">$funname</span>";
3.210     scop     3686:       my $ol = $oldline || 1;
                   3687:       my $nl = $newline || 1;
3.144     scop     3688:
3.210     scop     3689:       print <<EOF;
3.182     scop     3690: <tr>
3.210     scop     3691: <td width="50%" class="diff-heading">
                   3692:  <b><a href="$link;rev=$rev1#l$ol">Line&nbsp;$oldline</a></b>$funname
3.182     scop     3693: </td>
3.210     scop     3694: <td width="50%" class="diff-heading">
                   3695:  <b><a href="$link;rev=$rev2#l$nl">Line&nbsp;$newline</a></b>$funname
3.144     scop     3696: </td>
3.208     scop     3697: </tr>
3.144     scop     3698: EOF
                   3699:
3.120     scop     3700:       $state    = "dump";
                   3701:       $leftRow  = 0;
                   3702:       $rightRow = 0;
                   3703:     } else {
3.224     scop     3704:       my ($diffcode, $rest) = $difftxt =~ /^([-+ ])(.*)/;
                   3705:       $diffcode = '' unless defined($diffcode);
3.176     scop     3706:       $_ = $rest;
3.120     scop     3707:
                   3708:       #########
                   3709:       # little state machine to parse unified-diff output (Hen, zeller@think.de)
                   3710:       # in order to get some nice 'ediff'-mode output
                   3711:       # states:
                   3712:       #  "dump"             - just dump the value
                   3713:       #  "PreChangeRemove"  - we began with '-' .. so this could be the start of a 'change' area or just remove
                   3714:       #  "PreChange"        - okey, we got several '-' lines and moved to '+' lines -> this is a change block
                   3715:       ##########
                   3716:
                   3717:       if ($diffcode eq '+') {
                   3718:         if ($state eq "dump")
                   3719:         {    # 'change' never begins with '+': just dump out value
3.176     scop     3720:           $_ = spacedHtmlText($rest, $d{'tabstop'});
3.144     scop     3721:           printf(<<EOF, $_);
                   3722: <tr>
                   3723:  <td class="diff-empty">&nbsp;</td>
                   3724:  <td class="diff-added">&nbsp;%s</td>
                   3725: </tr>
                   3726: EOF
3.120     scop     3727:         } else {    # we got minus before
                   3728:           $state = "PreChange";
                   3729:           $rightCol[$rightRow++] = $_;
                   3730:         }
                   3731:       } elsif ($diffcode eq '-') {
                   3732:         $state = "PreChangeRemove";
                   3733:         $leftCol[$leftRow++] = $_;
                   3734:       } else {    # empty diffcode
                   3735:         flush_diff_rows \@leftCol, \@rightCol, $leftRow, $rightRow;
3.176     scop     3736:         $_ = spacedHtmlText($rest, $d{'tabstop'});
3.147     scop     3737:         printf(<<EOF, $_, $_);
3.144     scop     3738: <tr>
                   3739:  <td class="diff-same">&nbsp;%s</td>
                   3740:  <td class="diff-same">&nbsp;%s</td>
                   3741: </tr>
                   3742: EOF
3.120     scop     3743:         $state    = "dump";
                   3744:         $leftRow  = 0;
                   3745:         $rightRow = 0;
                   3746:       }
                   3747:     }
                   3748:   }
                   3749:   close($fh);
                   3750:
                   3751:   flush_diff_rows \@leftCol, \@rightCol, $leftRow, $rightRow;
                   3752:
                   3753:   # state is empty if we didn't have any change
                   3754:   if (!$state) {
3.144     scop     3755:     print <<EOF;
                   3756: <tr>
                   3757:  <td colspan="2">&nbsp;</td>
                   3758: </tr>
                   3759: <tr class="diff-empty">
                   3760:  <td colspan="2" align="center"><b>- No viewable change -</b></td>
                   3761: </tr>
                   3762: EOF
3.120     scop     3763:   }
                   3764:
3.182     scop     3765:   printf(<<EOF, $scriptwhere);
3.144     scop     3766: </table>
3.208     scop     3767: <hr style="width: 100%%" />
3.144     scop     3768: <form method="get" action="%s">
3.182     scop     3769: <div style="float: left">
3.208     scop     3770: <label for="f">Diff format:<br />
3.144     scop     3771: EOF
3.168     scop     3772:   printDiffSelectStickyVars();
3.120     scop     3773:   printDiffSelect($use_java_script);
3.182     scop     3774:   printf(<<EOF, $rev1, $rev2);
3.179     scop     3775: </label>
3.208     scop     3776: <input type="submit" value="Show" />
3.182     scop     3777: </div>
                   3778: <table style="float: right; border: thin outset" cellspacing="0" cellpadding="1" title="Legend" summary="Legend">
                   3779:  <tr>
                   3780:   <td align="center" class="diff-removed">Removed from v.%s</td>
                   3781:   <td class="diff-empty">&nbsp;</td>
                   3782:  </tr><tr class="diff-changed">
                   3783:   <td align="center" colspan="2">changed lines</td>
                   3784:  </tr><tr>
                   3785:   <td class="diff-empty">&nbsp;</td>
                   3786:   <td align="center" class="diff-added">Added in v.%s</td>
                   3787:  </tr>
3.144     scop     3788: </table>
                   3789: </form>
3.208     scop     3790: <br clear="all" />
3.144     scop     3791: EOF
3.120     scop     3792: }
3.167     scop     3793:
                   3794:
                   3795: sub doEnscript($$$)
                   3796: {
                   3797:   my ($filehandle, $highlight, $linenumbers) = @_;
                   3798:
3.174     scop     3799:   my @cmd = ($CMD{enscript},
                   3800:              @enscript_options,
                   3801:              qw(-q --language=cvsweb -o -),
                   3802:              "--highlight=$highlight");
                   3803:
                   3804:   local *ENSCRIPT_OUT;
                   3805:   my ($h, $err) =
                   3806:     startproc(\@cmd, $filehandle, '>pipe', \*ENSCRIPT_OUT, timeout(30));
                   3807:   fatal('500 Internal Error', $err) unless $h;
                   3808:
                   3809:   # We could short-circuit and have enscript output directly to STDOUT above,
                   3810:   # but that doesn't work with mod_perl (at least some 1.99 versions).
                   3811:   if ($linenumbers) {
                   3812:     my $ln = 0;
                   3813:     while (<ENSCRIPT_OUT>) {
                   3814:       printf '<a id="l%d" class="src">%5d: </a>', (++$ln) x 2;
                   3815:       print $_;
3.167     scop     3816:     }
3.174     scop     3817:   } else {
                   3818:     local $/ = undef;
                   3819:     print <ENSCRIPT_OUT>;
3.167     scop     3820:   }
3.174     scop     3821:   finish($h);
3.167     scop     3822: }
                   3823:
3.120     scop     3824:
3.163     scop     3825: sub navigateHeader($$$$$;$)
3.120     scop     3826: {
3.163     scop     3827:   my ($swhere, $path, $filename, $rev, $title, $moddate) = @_;
3.120     scop     3828:   $swhere = "" if ($swhere eq $scriptwhere);
                   3829:   $swhere = './' . urlencode($filename) if ($swhere eq "");
                   3830:
3.136     scop     3831:   my $qfile = htmlquote($filename);
                   3832:   my $qpath = htmlquote($path);
3.170     scop     3833:   my $trev  = $rev ? " - $rev" : '';
3.100     knu      3834:
3.163     scop     3835:   http_header('', $moddate);
3.133     scop     3836:
3.120     scop     3837:   print <<EOF;
3.100     knu      3838: $HTML_DOCTYPE
3.89      knu      3839: <html>
                   3840: <head>
3.170     scop     3841: <title>$qpath$qfile - $title$trev</title>
3.144     scop     3842: $HTML_META$CSS</head>
3.129     scop     3843: <body class="src">
3.182     scop     3844: <table class="navigate-header" width="100%">
3.184     scop     3845:  <tr>
                   3846:   <td>
3.64      knu      3847: EOF
                   3848:
3.170     scop     3849:   print &link($backicon, "$swhere$query" . ($rev ? "#rev$rev" : ''));
3.136     scop     3850:   printf '<b>Return to %s CVS log',
3.205     scop     3851:     &link($qfile, "$swhere$query" . ($rev ? "#rev$rev" : ''));
3.120     scop     3852:   print "</b> $fileicon</td>";
                   3853:
3.144     scop     3854:   printf(<<EOF, $diricon, &clickablePath($path, 1));
3.182     scop     3855:   <td style="text-align: right">%s <b>Up to %s</b></td>
3.144     scop     3856:  </tr>
                   3857: </table>
                   3858: EOF
3.120     scop     3859: }
                   3860:
3.175     scop     3861:
3.120     scop     3862: sub plural_write($$)
                   3863: {
                   3864:   my ($num, $text) = @_;
                   3865:   if ($num != 1) {
                   3866:     $text .= "s";
                   3867:   }
                   3868:
                   3869:   if ($num > 0) {
                   3870:     return join (' ', $num, $text);
                   3871:   } else {
                   3872:     return "";
                   3873:   }
3.1       knu      3874: }
                   3875:
3.175     scop     3876:
3.1       knu      3877: ##
                   3878: # print readable timestamp in terms of
                   3879: # '..time ago'
                   3880: # H. Zeller <zeller@think.de>
                   3881: ##
3.120     scop     3882: sub readableTime($$)
                   3883: {
                   3884:   my ($secs, $long) = @_;
                   3885:
3.175     scop     3886:   # This function works correctly for time >= 2 seconds.
                   3887:   return 'very little time' if ($secs < 2);
3.120     scop     3888:
                   3889:   my %desc = (
3.133     scop     3890:               1        => 'second',
                   3891:               60       => 'minute',
                   3892:               3600     => 'hour',
                   3893:               86400    => 'day',
                   3894:               604800   => 'week',
                   3895:               2628000  => 'month',
                   3896:               31536000 => 'year'
                   3897:              );
                   3898:
3.120     scop     3899:   my @breaks = sort { $a <=> $b } keys %desc;
3.133     scop     3900:   my $i = 0;
3.120     scop     3901:
                   3902:   while ($i <= $#breaks && $secs >= 2 * $breaks[$i]) {
                   3903:     $i++;
                   3904:   }
                   3905:   $i--;
3.133     scop     3906:   my $break  = $breaks[$i];
                   3907:   my $retval = plural_write(int($secs / $break), $desc{$break});
3.120     scop     3908:
                   3909:   if ($long == 1 && $i > 0) {
                   3910:     my $rest = $secs % $break;
                   3911:     $i--;
                   3912:     $break = $breaks[$i];
                   3913:     my $resttime = plural_write(int($rest / $break), $desc{$break});
                   3914:     if ($resttime) {
                   3915:       $retval .= ", $resttime";
                   3916:     }
                   3917:   }
3.1       knu      3918:
3.120     scop     3919:   return $retval;
3.1       knu      3920: }
                   3921:
3.175     scop     3922:
3.1       knu      3923: ##
                   3924: # clickablePath(String pathname, boolean last_item_clickable)
                   3925: #
                   3926: # returns a html-ified path whereas each directory is a link for
                   3927: # faster navigation. last_item_clickable controls whether the
                   3928: # basename (last directory/file) is a link as well
                   3929: ##
3.120     scop     3930: sub clickablePath($$)
                   3931: {
                   3932:   my ($pathname, $clickLast) = @_;
                   3933:
3.154     scop     3934:   my $root = '[' . htmlquote($CVSROOTdescr{$cvstree} || $cvstree) . ']';
                   3935:
3.144     scop     3936:   # This should never happen (see chooseCVSRoot()), but let's be sure...
3.154     scop     3937:   return $root if ($pathname eq '/');
3.120     scop     3938:
3.144     scop     3939:   my $retval =
3.154     scop     3940:     ' ' . &link($root, sprintf('%s/%s#dirlist', $scriptname, $query));
3.144     scop     3941:   my $wherepath = '';
                   3942:   my ($lastslash) = $pathname =~ m|/$|;
                   3943:
                   3944:   foreach (split (/\//, $pathname)) {
                   3945:     $retval .= ' / ';
                   3946:     $wherepath .= "/$_";
                   3947:     my $last = "$wherepath/" eq "/$pathname" || $wherepath eq "/$pathname";
                   3948:
                   3949:     if ($clickLast || !$last) {
                   3950:       $retval .= &link(htmlquote($_),
                   3951:                        join ('',
                   3952:                              $scriptname, urlencode($wherepath),
                   3953:                              (!$last || $lastslash ? '/' : ''), $query,
                   3954:                              (!$last || $lastslash ? "#dirlist" : "")));
                   3955:     } else {    # do not make a link to the current dir
                   3956:       $retval .= htmlquote($_);
3.120     scop     3957:     }
                   3958:   }
                   3959:   return $retval;
                   3960: }
                   3961:
3.144     scop     3962:
3.120     scop     3963: sub chooseCVSRoot()
                   3964: {
3.208     scop     3965:   print "<form method=\"get\" action=\"${scriptwhere}\">\n<p>\n";
3.120     scop     3966:   if (2 <= @CVSROOT) {
3.133     scop     3967:     foreach my $k (keys %input) {
3.208     scop     3968:       printf("<input type=\"hidden\" name=\"%s\" value=\"%s\" />\n",
3.154     scop     3969:              htmlquote($k), htmlquote($input{$k}))
                   3970:         if ($input{$k} && $k ne 'cvsroot');
3.120     scop     3971:     }
                   3972:
3.144     scop     3973:     printf(<<EOF, $use_java_script ? ' onchange="this.form.submit()"' : '');
3.208     scop     3974: <label for="cvsroot" accesskey="C">CVS Root:
3.144     scop     3975: <select id="cvsroot" name="cvsroot"%s>
                   3976: EOF
3.120     scop     3977:
3.133     scop     3978:     foreach my $k (@CVSROOT) {
3.136     scop     3979:       printf("<option value=\"%s\"%s>%s</option>\n",
                   3980:              htmlquote($k),
3.208     scop     3981:              ($k eq $cvstree) ? ' selected="selected"' : '',
3.136     scop     3982:              htmlquote($CVSROOTdescr{$k} || $k));
3.120     scop     3983:     }
3.208     scop     3984:     print '</select></label>';
3.120     scop     3985:   } else {
                   3986:
                   3987:     # no choice -- but we need the form to select module/path,
                   3988:     # at least for Netscape
3.208     scop     3989:     printf "CVS Root: <b>[%s]</b>",
3.154     scop     3990:       htmlquote($CVSROOTdescr{$cvstree} || $cvstree);
3.120     scop     3991:   }
                   3992:
3.144     scop     3993:   print <<EOF;
                   3994: <label for="mpath" accesskey="M">
                   3995: Module path or alias:
3.208     scop     3996: <input type="text" id="mpath" name="path" value="" size="15" />
3.144     scop     3997: </label>
3.208     scop     3998: <input type="submit" value="Go" accesskey="O" />
                   3999: </p>
                   4000: </form>
3.144     scop     4001: EOF
3.120     scop     4002: }
                   4003:
3.175     scop     4004:
3.120     scop     4005: sub chooseMirror()
                   4006: {
                   4007:   # This code comes from the original BSD-cvsweb
                   4008:   # and may not be useful for your site; If you don't
                   4009:   # set %MIRRORS this won't show up, anyway.
                   4010:   scalar(%MIRRORS) or return;
                   4011:
                   4012:   # Should perhaps exclude the current site somehow...
                   4013:   print "\n<p>\nThis CVSweb is mirrored in\n";
                   4014:
                   4015:   my @tmp = map(&link(htmlquote($_), $MIRRORS{$_}), sort keys %MIRRORS);
                   4016:   my $tmp = pop (@tmp);
                   4017:
                   4018:   if (scalar(@tmp)) {
                   4019:     print join (', ', @tmp), ' and ';
                   4020:   }
                   4021:
                   4022:   print "$tmp.\n</p>\n";
                   4023: }
                   4024:
3.175     scop     4025:
3.120     scop     4026: sub fileSortCmp()
                   4027: {
3.175     scop     4028:   (my $af = $a) =~ s/,v$//;
                   4029:   (my $bf = $b) =~ s/,v$//;
3.120     scop     4030:   my ($rev1, $date1, $log1, $author1, $filename1) = @{$fileinfo{$af}}
                   4031:     if (defined($fileinfo{$af}));
                   4032:   my ($rev2, $date2, $log2, $author2, $filename2) = @{$fileinfo{$bf}}
                   4033:     if (defined($fileinfo{$bf}));
                   4034:
3.175     scop     4035:   my $comp = 0;
3.140     scop     4036:   if (defined($filename1) && defined($filename2) &&
                   4037:       $af eq $filename1   && $bf eq $filename2)
3.120     scop     4038:   {
                   4039:
                   4040:     # Two files
3.140     scop     4041:     $comp = -revcmp($rev1, $rev2)             if ($byrev  && $rev1  && $rev2);
                   4042:     $comp = ($date2   <=> $date1)             if ($bydate && $date1 && $date2);
                   4043:     if ($input{ignorecase}) {
                   4044:       $comp = (uc($log1)    cmp uc($log2))    if ($bylog && $log1 && $log2);
                   4045:       $comp = (uc($author1) cmp uc($author2)) if ($byauthor &&
                   4046:                                                   $author1 && $author2);
                   4047:     } else {
                   4048:       $comp = ($log1    cmp $log2)            if ($bylog && $log1 && $log2);
                   4049:       $comp = ($author1 cmp $author2)         if ($byauthor &&
                   4050:                                                   $author1 && $author2);
                   4051:     }
3.120     scop     4052:   }
                   4053:
                   4054:   if ($comp == 0) {
                   4055:
                   4056:     # Directories first, then files under version control,
                   4057:     # then other, "rogue" files.
                   4058:     # Sort by filename if no other criteria available.
                   4059:
                   4060:     my $ad = (
                   4061:       (-d "$fullname/$a")
                   4062:       ? 'D'
                   4063:       : (defined($fileinfo{$af}) ? 'F' : 'R')
                   4064:     );
                   4065:     my $bd = (
                   4066:       (-d "$fullname/$b")
                   4067:       ? 'D'
                   4068:       : (defined($fileinfo{$bf}) ? 'F' : 'R')
                   4069:     );
3.175     scop     4070:     (my $c = $a) =~ s|.*/||;
                   4071:     (my $d = $b) =~ s|.*/||;
3.144     scop     4072:
                   4073:     my ($l, $r) = ("$ad$c", "$bd$d");
                   4074:     $comp = $input{ignorecase} ? (uc($l) cmp uc($r)) : ($l cmp $r);
                   4075:
                   4076:     # Parent dir is always first, then Attic.
                   4077:     if ($comp != 0) {
                   4078:       if ($l eq 'D..') {
3.149     scop     4079:         $comp = -1;
3.144     scop     4080:       } elsif ($r eq 'D..') {
3.149     scop     4081:         $comp = 1;
3.144     scop     4082:       } elsif ($l eq 'DAttic') {
3.149     scop     4083:         $comp = -1;
3.144     scop     4084:       } elsif ($r eq 'DAttic') {
3.149     scop     4085:         $comp = 1;
3.144     scop     4086:       }
                   4087:     }
3.120     scop     4088:   }
                   4089:   return $comp;
3.1       knu      4090: }
                   4091:
3.220     scop     4092: #
                   4093: # Returns a URL to download the selected revision.
                   4094: #
3.120     scop     4095: sub download_url($$;$)
                   4096: {
                   4097:   my ($url, $revision, $mimetype) = @_;
                   4098:   $revision =~ s/\b0\.//;
3.1       knu      4099:
3.222     scop     4100:   if (!defined($mimetype) || $mimetype !~ CVSWEBMARKUP) {
3.120     scop     4101:     my $path = $where;
                   4102:     $path =~ s|[^/]+$||;
3.222     scop     4103:     $url = "$scriptname/$CheckoutMagic/${path}$url";
3.120     scop     4104:   }
3.219     scop     4105:   $url .= '?rev=' . uri_escape($revision);
                   4106:   $url .= ';content-type=' . uri_escape($mimetype) if $mimetype;
3.67      knu      4107:
3.175     scop     4108:   return $url;
3.1       knu      4109: }
                   4110:
3.175     scop     4111: #
3.220     scop     4112: # Returns a link to download the selected revision.
3.175     scop     4113: #
3.120     scop     4114: sub download_link($$$;$)
                   4115: {
                   4116:   my ($url, $revision, $textlink, $mimetype) = @_;
3.175     scop     4117:   my $fullurl = download_url($url, $revision, $mimetype);
3.220     scop     4118:   return sprintf('<a href="%s" class="download-link">%s</a>',
                   4119:                  hrefquote("$fullurl$barequery"), htmlquote($textlink));
3.218     scop     4120: }
3.120     scop     4121:
3.219     scop     4122: #
                   4123: # Returns a URL to display the selected revision.
                   4124: #
                   4125: sub display_url($$;$)
                   4126: {
                   4127:   my ($url, $revision, $mimetype) = @_;
                   4128:   $url .= '?rev=' . uri_escape($revision);
                   4129:   $url .= ';content-type=' . uri_escape($mimetype) if $mimetype;
                   4130:   return $url;
                   4131: }
                   4132:
                   4133: #
                   4134: # Returns a link to display the selected revision.
                   4135: #
                   4136: sub display_link($$;$$)
                   4137: {
                   4138:   my ($url, $revision, $textlink, $mtype) = @_;
                   4139:   $textlink = $revision unless defined($textlink);
                   4140:   return sprintf('<a href="%s" class="display-link">%s</a>',
                   4141:                  hrefquote(display_url($url, $revision, $mtype) . $barequery),
                   4142:                  htmlquote($textlink));
                   4143: }
3.132     scop     4144:
3.170     scop     4145: sub graph_link($;$)
3.132     scop     4146: {
3.170     scop     4147:   my ($url, $text) = @_;
3.132     scop     4148:   $text ||= $graphicon;
3.170     scop     4149:   return sprintf('<a href="%s?graph=1%s">%s</a>',
                   4150:                  hrefquote($url), hrefquote($barequery), $text);
3.1       knu      4151: }
                   4152:
                   4153: # Returns a Query string with the
                   4154: # specified parameter toggled
3.140     scop     4155: sub toggleQuery($;$)
3.120     scop     4156: {
                   4157:   my ($toggle, $value) = @_;
3.133     scop     4158:
                   4159:   my %vars = %input;
3.120     scop     4160:
                   4161:   if (defined($value)) {
                   4162:     $vars{$toggle} = $value;
                   4163:   } else {
                   4164:     $vars{$toggle} = $vars{$toggle} ? 0 : 1;
                   4165:   }
                   4166:
                   4167:   # Build a new query of non-default paramenters
3.133     scop     4168:   my $newquery = "";
                   4169:   foreach my $var (@stickyvars) {
3.120     scop     4170:     my ($value)   = defined($vars{$var})         ? $vars{$var}         : "";
                   4171:     my ($default) = defined($DEFAULTVALUE{$var}) ? $DEFAULTVALUE{$var} : "";
                   4172:
                   4173:     if ($value ne $default) {
3.203     scop     4174:       $newquery .= ';' if ($newquery ne "");
3.206     scop     4175:       $newquery .= uri_escape($var) . '=' . uri_escape($value);
3.120     scop     4176:     }
                   4177:   }
                   4178:
                   4179:   if ($newquery) {
                   4180:     return '?' . $newquery;
                   4181:   }
                   4182:   return "";
                   4183: }
                   4184:
                   4185: sub urlencode($)
                   4186: {
                   4187:   local ($_) = @_;
                   4188:   s/[\000-+{-\377]/sprintf("%%%02x", ord($&))/ge;
3.175     scop     4189:   return $_;
3.120     scop     4190: }
                   4191:
                   4192: sub htmlquote($)
                   4193: {
                   4194:   local ($_) = @_;
                   4195:   # Special Characters; RFC 1866
                   4196:   s/&/&amp;/g;
                   4197:   s/\"/&quot;/g;
                   4198:   s/</&lt;/g;
                   4199:   s/>/&gt;/g;
3.175     scop     4200:   return $_;
3.120     scop     4201: }
                   4202:
                   4203: sub htmlunquote($)
                   4204: {
                   4205:   local ($_) = @_;
                   4206:   # Special Characters; RFC 1866
                   4207:   s/&quot;/\"/g;
                   4208:   s/&lt;/</g;
                   4209:   s/&gt;/>/g;
                   4210:   s/&amp;/&/g;
3.175     scop     4211:   return $_;
3.120     scop     4212: }
                   4213:
                   4214: sub hrefquote($)
                   4215: {
                   4216:   local ($_) = @_;
                   4217:
                   4218:   y/ /+/;
                   4219:
                   4220:   htmlquote($_);
                   4221: }
                   4222:
3.163     scop     4223: sub http_header(;$$)
3.120     scop     4224: {
3.163     scop     4225:   my ($content_type, $moddate) = @_;
                   4226:   $content_type ||= 'text/html';
3.120     scop     4227:
                   4228:   $content_type .= "; charset=$charset"
3.163     scop     4229:     if ($charset && $content_type =~ m,^text/,);
3.120     scop     4230:
3.185     scop     4231:   # Note that in the following, we explicitly join() and concatenate the
                   4232:   # headers instead of printing them as an array.  This is because some
                   4233:   # systems, eg. early versions of mod_perl 2 don't quite get it if the
                   4234:   # last \r\n\r\n isn't included in the last "payload" header print().
                   4235:
                   4236:   my @headers = ();
                   4237:   # TODO: ctime(3) from scalar gmtime() isn't HTTP compliant, see HTTP::Date.
                   4238:   push(@headers, 'Last-Modified: ' . scalar gmtime($moddate) . ' GMT')
                   4239:     if $moddate;
                   4240:   push(@headers, 'Content-Type: ' . $content_type);
3.120     scop     4241:
                   4242:   if ($allow_compress && $maycompress) {
3.222     scop     4243:     if (HAS_ZLIB
3.120     scop     4244:         || (defined($CMD{gzip}) && open(GZIP, "| $CMD{gzip} -1 -c")))
                   4245:     {
                   4246:
3.185     scop     4247:       push(@headers, 'Content-Encoding: x-gzip');
                   4248:       push(@headers, 'Vary: Accept-Encoding');     # RFC 2616, 14.44
                   4249:       print join("\r\n", @headers) . "\r\n\r\n";
                   4250:
3.120     scop     4251:       $| = 1;
3.185     scop     4252:       $| = 0;                                      # Flush header output.
3.120     scop     4253:
3.222     scop     4254:       tie(*GZIP, __PACKAGE__, \*STDOUT) if HAS_ZLIB;
3.120     scop     4255:       select(GZIP);
                   4256:       $gzip_open = 1;
                   4257:
                   4258:     } else {
3.185     scop     4259:
                   4260:       print join("\r\n", @headers) . "\r\n\r\n";
3.120     scop     4261:       print
3.208     scop     4262:         "<span style=\"font-size: smaller\">Unable to find gzip binary in the <b>\$command_path</b> ($command_path) to compress output</span><br />";
3.120     scop     4263:     }
3.185     scop     4264:
3.120     scop     4265:   } else {
3.185     scop     4266:     print join("\r\n", @headers) . "\r\n\r\n";
3.120     scop     4267:   }
                   4268: }
                   4269:
3.131     scop     4270:
3.163     scop     4271: sub html_header($;$)
3.120     scop     4272: {
3.163     scop     4273:   my ($title, $moddate) = @_;
                   4274:   $title = htmlquote($title);
3.162     scop     4275:   my $l = $logo || '';
3.163     scop     4276:   http_header('text/html', $moddate);
3.120     scop     4277:   print <<EOH;
3.100     knu      4278: $HTML_DOCTYPE
3.1       knu      4279: <html>
3.40      knu      4280: <head>
3.134     scop     4281: <title>$title</title>
3.144     scop     4282: $HTML_META$CSS</head>
3.129     scop     4283: <body>
3.182     scop     4284: $l <h1>$title</h1>
3.1       knu      4285: EOH
                   4286: }
                   4287:
3.120     scop     4288: sub html_footer()
                   4289: {
3.208     scop     4290:   print "<hr />\n<address>$address</address>\n" if $address;
3.127     scop     4291:   print "</body>\n</html>\n";
3.1       knu      4292: }
                   4293:
3.120     scop     4294: sub link_tags($)
                   4295: {
                   4296:   my ($tags) = @_;
                   4297:   my ($ret)  = "";
                   4298:   my ($fileurl, $filename);
                   4299:
                   4300:   ($filename = $where) =~ s/^.*\///;
                   4301:   $fileurl = './' . urlencode($filename);
                   4302:
                   4303:   foreach my $sym (split (", ", $tags)) {
                   4304:     $ret .= ",\n" if ($ret ne "");
3.136     scop     4305:     $ret .= &link(htmlquote($sym),
                   4306:                   $fileurl . toggleQuery('only_with_tag', $sym));
3.120     scop     4307:   }
3.219     scop     4308:   return $ret;
3.1       knu      4309: }
                   4310:
3.175     scop     4311:
3.1       knu      4312: #
3.221     scop     4313: # See if a module is listed in the config file's @HideModules list, ie. if
                   4314: # it should not be shown.  Takes a path relative to the CVS root.
3.1       knu      4315: #
3.120     scop     4316: sub forbidden_module($)
                   4317: {
                   4318:   my ($module) = @_;
3.175     scop     4319:   for my $hidden_re (@HideModules) {
                   4320:     return 1 if ($module =~ $hidden_re);
3.120     scop     4321:   }
                   4322:   return 0;
                   4323: }
                   4324:
3.175     scop     4325:
3.221     scop     4326: #
                   4327: # See if a file is listed in the config file's @ForbiddenFiles list, ie.
                   4328: # if it should not be shown.  Takes a full file system path, without
                   4329: # the trailing ",v".
                   4330: #
3.120     scop     4331: sub forbidden_file($)
                   4332: {
                   4333:   my ($path) = @_;
                   4334:   $path = substr($path, length($cvsroot) + 1);
3.175     scop     4335:   for my $forbidden_re (@ForbiddenFiles) {
                   4336:     return 1 if ($path =~ $forbidden_re);
3.120     scop     4337:   }
                   4338:   return 0;
3.174     scop     4339: }
                   4340:
                   4341:
                   4342: #
                   4343: # Starts a process using IPC::Run.  All arguments are passed to
                   4344: # IPC::Run::start() as-is.  Returns an array ($harness, $error) where
                   4345: # $harness is from IPC::Run if start() succeeds, undef otherwise.  In case
3.184     scop     4346: # of an error, $error contains the error message.
3.174     scop     4347: #
3.191     scop     4348: sub startproc(@)
3.174     scop     4349: {
3.215     scop     4350:   my $h = my $err = undef;
3.174     scop     4351:   eval {
                   4352:     local $SIG{__DIE__};
3.215     scop     4353:     $h = IPC::Run::start(@_) or die("return code: $?");
3.174     scop     4354:   };
3.215     scop     4355:   if ($@) {
                   4356:     finish($h) if $h;
                   4357:     $h = undef;
                   4358:     $err = "'@{$_[0]}' failed: $@";
                   4359:   }
3.174     scop     4360:   return ($h, $err);
3.215     scop     4361: }
                   4362:
                   4363: #
                   4364: # Runs a process using IPC::Run.  All arguments are passed to
                   4365: # IPC::Run::run() as-is.  Returns an array ($exitcode, $errormsg).
                   4366: #
                   4367: sub runproc(@)
                   4368: {
                   4369:   eval {
                   4370:     local $SIG{__DIE__};
                   4371:     IPC::Run::run(@_);
                   4372:   };
                   4373:   my $exitcode = $? >> 8;
                   4374:   my $errormsg  = undef;
                   4375:   if ($@) {
                   4376:     $exitcode ||= -1;
                   4377:     $errormsg = "'@{$_[0]}' failed: $@";
                   4378:   }
                   4379:   return ($exitcode, $errormsg);
3.129     scop     4380: }
                   4381:
3.225   ! scop     4382: #
        !          4383: # Check out a file to a temporary file.
        !          4384: #
        !          4385: sub checkout_to_temp($$$)
        !          4386: {
        !          4387:   my ($cvsroot, $cvsname, $rev) = @_;
3.25      knu      4388:
3.225   ! scop     4389:   # Pipe given cvs file into a temporary place.
        !          4390:   my ($temp_fh, $temp_fn) = tempfile('.cvsweb.XXXXXXXX', DIR => tmpdir());
        !          4391:
        !          4392:   my @cmd = ($CMD{cvs}, @cvs_options, '-Qd', $cvsroot,
        !          4393:              'co', '-p', "-r$rev", $cvsname);
        !          4394:
        !          4395:   local (*DIFF_OUT);
        !          4396:   my ($h, $err) = startproc(\@cmd, \"", '>pipe', \*DIFF_OUT);
        !          4397:   if ($h) {
        !          4398:     local $/ = undef;
        !          4399:     print $temp_fh <DIFF_OUT>;
        !          4400:     finish($h);
        !          4401:     close($temp_fh);
        !          4402:   } else {
        !          4403:     close($temp_fh);
        !          4404:     unlink($temp_fn);
        !          4405:     fatal('500 Internal Error',
        !          4406:           'Checkout failure (exit status %s), output: <pre>%s</pre>',
        !          4407:           $? >> 8 || -1, $err);
        !          4408:   }
        !          4409:
        !          4410:   return $temp_fn;
        !          4411: }
        !          4412:
        !          4413: #
3.173     scop     4414: # Close the GZIP handle, and remove the tie.
3.225   ! scop     4415: #
3.120     scop     4416: sub gzipclose
                   4417: {
                   4418:   if ($gzip_open) {
                   4419:     select(STDOUT);
                   4420:     close(GZIP);
                   4421:     untie *GZIP;
                   4422:     $gzip_open = 0;
                   4423:   }
3.23      knu      4424: }
                   4425:
                   4426: # implement a gzipped file handle via the Compress:Zlib compression
                   4427: # library.
                   4428:
                   4429: sub MAGIC1() { 0x1f }
                   4430: sub MAGIC2() { 0x8b }
3.80      knu      4431: sub OSCODE() { 3 }
3.23      knu      4432:
3.120     scop     4433: sub TIEHANDLE
                   4434: {
                   4435:   my ($class, $out) = @_;
                   4436:   my ($d) = Compress::Zlib::deflateInit(
                   4437:     -Level      => Compress::Zlib::Z_BEST_COMPRESSION(),
                   4438:     -WindowBits => -Compress::Zlib::MAX_WBITS()
                   4439:     )
                   4440:     or return undef;
                   4441:   my ($o) = { handle => $out,
                   4442:               dh     => $d,
                   4443:               crc    => 0,
                   4444:               len    => 0,
                   4445:             };
                   4446:   my ($header) = pack("c10",
                   4447:                       MAGIC1, MAGIC2, Compress::Zlib::Z_DEFLATED(),
                   4448:                       0, 0, 0, 0, 0, 0, OSCODE);
                   4449:   print {$o->{handle}} $header;
                   4450:   return bless($o, $class);
                   4451: }
                   4452:
                   4453: sub PRINT
                   4454: {
                   4455:   my ($o)   = shift;
3.164     scop     4456:   my ($buf) = join (defined($,) ? $, : "", @_);
3.120     scop     4457:   my ($len) = length($buf);
                   4458:   my ($compressed, $status) = $o->{dh}->deflate($buf);
                   4459:   print {$o->{handle}} $compressed if defined($compressed);
                   4460:   $o->{crc} = Compress::Zlib::crc32($buf, $o->{crc});
                   4461:   $o->{len} += $len;
                   4462:   return $len;
                   4463: }
                   4464:
                   4465: sub PRINTF
                   4466: {
                   4467:   my ($o)   = shift;
                   4468:   my ($fmt) = shift;
                   4469:   my ($buf) = sprintf($fmt, @_);
                   4470:   my ($len) = length($buf);
                   4471:   my ($compressed, $status) = $o->{dh}->deflate($buf);
                   4472:   print {$o->{handle}} $compressed if defined($compressed);
                   4473:   $o->{crc} = Compress::Zlib::crc32($buf, $o->{crc});
                   4474:   $o->{len} += $len;
                   4475:   return $len;
                   4476: }
                   4477:
                   4478: sub WRITE
                   4479: {
                   4480:   my ($o, $buf, $len, $off) = @_;
                   4481:   my ($compressed, $status) = $o->{dh}->deflate(substr($buf, 0, $len));
                   4482:   print {$o->{handle}} $compressed if defined($compressed);
                   4483:   $o->{crc} = Compress::Zlib::crc32(substr($buf, 0, $len), $o->{crc});
                   4484:   $o->{len} += $len;
                   4485:   return $len;
                   4486: }
                   4487:
                   4488: sub CLOSE
                   4489: {
                   4490:   my ($o) = @_;
                   4491:   return if !defined($o->{dh});
                   4492:   my ($buf) = $o->{dh}->flush();
                   4493:   $buf .= pack("V V", $o->{crc}, $o->{len});
                   4494:   print {$o->{handle}} $buf;
                   4495:   undef $o->{dh};
                   4496: }
                   4497:
                   4498: sub DESTROY
                   4499: {
                   4500:   my ($o) = @_;
                   4501:   CLOSE($o);
1.1       jfieber  4502: }
3.149     scop     4503:
                   4504: # Local variables:
                   4505: # indent-tabs-mode: nil
                   4506: # cperl-indent-level: 2
                   4507: # End:

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