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Annotation of cvsweb/cvsweb.cgi, Revision 3.157

3.55      knu         1: #!/usr/bin/perl -wT
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
3.148     scop       24: #           (c) 2002-2003 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:
3.138     scop       54: require 5.005_03;
3.55      knu        55:
3.1       knu        56: use strict;
1.21      wosch      57:
3.1       knu        58: use vars qw (
3.121     scop       59:   $VERSION
3.144     scop       60:   $config $allow_version_select
3.120     scop       61:   @CVSrepositories @CVSROOT %CVSROOT %CVSROOTdescr
                     62:   %MIRRORS %DEFAULTVALUE %ICONS %MTYPES
                     63:   @DIFFTYPES %DIFFTYPES @LOGSORTKEYS %LOGSORTKEYS
3.129     scop       64:   %alltags %fileinfo %tags @branchnames %nameprinted
3.120     scop       65:   %symrev %revsym @allrevisions %date %author @revdisplayorder
3.152     scop       66:   @revisions %state %difflines %log %branchpoint @revorder $keywordsubstitution
3.120     scop       67:   $prcgi @prcategories $re_prcategories $prkeyword $re_prkeyword $mancgi
                     68:   $checkoutMagic $doCheckout $scriptname $scriptwhere
                     69:   $where $pathinfo $Browser $nofilelinks $maycompress
3.129     scop       70:   @stickyvars @unsafevars %funcline_regexp $is_mod_perl
3.120     scop       71:   $is_links $is_lynx $is_w3m $is_msie $is_mozilla3 $is_textbased
                     72:   %input $query $barequery $sortby $bydate $byrev $byauthor
                     73:   $bylog $byfile $defaultDiffType $logsort $cvstree $cvsroot
3.156     scop       74:   $charset $output_filter
3.132     scop       75:   $command_path %CMD $allow_compress $backicon $diricon $fileicon $graphicon
3.152     scop       76:   $fullname $newname $cvstreedefault $logo $defaulttitle $address $binfileicon
3.131     scop       77:   $long_intro $short_instruction $shortLogLen $show_author
3.129     scop       78:   $tablepadding $hr_breakable $showfunc $hr_ignwhite $hr_ignkeysubst
                     79:   $inputTextSize $mime_types $allow_annotate $allow_markup
3.120     scop       80:   $allow_log_extra $allow_dir_extra $allow_source_extra
3.132     scop       81:   $allow_cvsgraph $cvsgraph_config $use_java_script $open_extern_window
3.120     scop       82:   $extern_window_width $extern_window_height $edit_option_form
3.144     scop       83:   $show_subdir_lastmod $show_log_in_markup $preformat_in_markup
3.120     scop       84:   $tabstop $state $annTable $sel $curbranch @HideModules @ForbiddenFiles
                     85:   $module $use_descriptions %descriptions @mytz $dwhere $moddate
3.139     scop       86:   $use_moddate $has_zlib $gzip_open $file_list_len
3.120     scop       87:   $allow_tar @tar_options @gzip_options @zip_options @cvs_options
3.128     scop       88:   @annotate_options $LOG_FILESEPARATOR $LOG_REVSEPARATOR
3.144     scop       89:   $tmpdir $HTML_DOCTYPE $HTML_META $cssurl $TempTemplate $CSS
3.148     scop       90:   $CvsWebMarkupRE $allow_enscript @enscript_options %enscript_types
3.156     scop       91:   $MimeTypes
3.1       knu        92: );
                     93:
3.125     scop       94: # TODO:
                     95: #   Maybe "use filetest 'access'" on perl >= 5.6 for better -X checks.
                     96: #($] >= 5.006) and eval "use filetest 'access'";
                     97:
3.138     scop       98: use Cwd            qw(abs_path);
                     99: use File::Basename qw();
                    100: use File::Temp     qw(tempdir);
                    101: use IO::Pipe       qw();
                    102: use IPC::Open2     qw(open2);
                    103: use Time::Local    qw();
3.122     scop      104:
                    105: # -----------------------------------------------------------------------------
                    106:
                    107: # All global initialization that can be done in compile time should go to
                    108: # the BEGIN block.  Persistent environments, such as mod_perl, will benefit
                    109: # from this.
                    110:
                    111: BEGIN
                    112: {
                    113:   $VERSION = '3.0-dev';
                    114:
                    115:   $HTML_DOCTYPE =
                    116:     '<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">';
                    117:
                    118:   $HTML_META = <<EOM;
                    119: <meta name="robots" content="nofollow">
                    120: <meta name="generator" content="FreeBSD-CVSweb $VERSION">
                    121: <meta http-equiv="Content-Script-Type" content="text/javascript">
                    122: <meta http-equiv="Content-Style-Type" content="text/css">
                    123: EOM
                    124:
                    125:   # Check if the zlib C library interface is installed, and if yes,
                    126:   # we can avoid using the extra gzip process.
                    127:   eval { require Compress::Zlib; };
                    128:   $has_zlib = !$@;
                    129:
3.156     scop      130:   # Use MIME::Types for MIME type lookups if it's available.
                    131:   eval {
                    132:     require MIME::Types;
                    133:     $MimeTypes = MIME::Types->new();
                    134:   };
                    135:   $MimeTypes = undef if $@;
                    136:
3.122     scop      137:   $is_mod_perl = defined($ENV{MOD_PERL});
                    138:
                    139:   $tmpdir = $ENV{TMPDIR} || '/var/tmp';
                    140:
3.138     scop      141:   $TempTemplate = '.cvsweb.XXXXXXXX';
                    142:
3.122     scop      143:   $LOG_FILESEPARATOR = qr/^={77}$/o;
                    144:   $LOG_REVSEPARATOR  = qr/^-{28}$/o;
3.146     scop      145:
                    146:   $CvsWebMarkupRE = qr/^text\/(x-cvsweb|vnd\.viewcvs)-markup$/io;
3.122     scop      147: }
                    148:
                    149: # -----------------------------------------------------------------------------
                    150:
3.12      knu       151: sub printDiffSelect($);
3.37      knu       152: sub printDiffLinks($$);
                    153: sub printLogSortSelect($);
3.12      knu       154: sub findLastModifiedSubdirs(@);
3.36      knu       155: sub htmlify_sub(&$);
3.12      knu       156: sub htmlify($;$);
3.20      knu       157: sub spacedHtmlText($;$);
3.12      knu       158: sub link($$);
                    159: sub revcmp($$);
3.103     knu       160: sub fatal($$@);
3.12      knu       161: sub redirect($);
                    162: sub safeglob($);
3.58      knu       163: sub search_path($);
3.156     scop      164: sub getMimeType($;$);
3.24      knu       165: sub head($;$);
                    166: sub scan_directives(@);
3.86      knu       167: sub openOutputFilter();
3.133     scop      168: sub doAnnotate($);
3.12      knu       169: sub doCheckout($$);
3.132     scop      170: sub doGraph($);
                    171: sub doGraphView($);
3.12      knu       172: sub cvswebMarkup($$$);
                    173: sub viewable($);
                    174: sub doDiff($$$$$$);
                    175: sub getDirLogs($$@);
                    176: sub readLog($;$);
                    177: sub printLog($;$);
                    178: sub doLog($);
                    179: sub flush_diff_rows($$$$);
3.144     scop      180: sub human_readable_diff($$);
3.12      knu       181: sub navigateHeader($$$$$);
                    182: sub plural_write($$);
                    183: sub readableTime($$);
                    184: sub clickablePath($$);
                    185: sub chooseCVSRoot();
                    186: sub chooseMirror();
                    187: sub fileSortCmp();
                    188: sub download_url($$;$);
                    189: sub download_link($$$;$);
3.132     scop      190: sub graph_link($$;$);
3.140     scop      191: sub toggleQuery($;$);
3.12      knu       192: sub urlencode($);
3.35      knu       193: sub htmlquote($);
3.36      knu       194: sub htmlunquote($);
3.48      knu       195: sub hrefquote($);
3.12      knu       196: sub http_header(;$);
                    197: sub html_header($);
                    198: sub html_footer();
                    199: sub link_tags($);
3.81      knu       200: sub forbidden_file($);
3.12      knu       201: sub forbidden_module($);
                    202:
3.1       knu       203: ##### Start of Configuration Area ########
3.122     scop      204:
3.142     scop      205: # Get rid of unsafe environment vars.  Don't do this in BEGIN...
                    206: delete(@ENV{qw(PATH IFS CDPATH ENV BASH_ENV)});
3.59      knu       207:
3.122     scop      208: my ($mydir) = (File::Basename::dirname($0) =~ /(.*)/);    # untaint
3.58      knu       209:
3.12      knu       210: # == EDIT this ==
3.28      knu       211: # Locations to search for user configuration, in order:
3.80      knu       212: for ("$mydir/cvsweb.conf", '/usr/local/etc/cvsweb/cvsweb.conf') {
3.120     scop      213:   if (defined($_) && -r $_) {
                    214:     $config = $_;
                    215:     last;
                    216:   }
3.11      knu       217: }
3.122     scop      218: undef $mydir;
3.1       knu       219:
                    220: # == Configuration defaults ==
                    221: # Defaults for configuration variables that shouldn't need
                    222: # to be configured..
                    223: $allow_version_select = 1;
3.120     scop      224: $allow_log_extra      = 1;
3.1       knu       225:
                    226: ##### End of Configuration Area   ########
                    227:
                    228: ######## Configuration variables #########
                    229: # These are defined to allow checking with perl -cw
3.120     scop      230:
3.80      knu       231: @CVSrepositories = @CVSROOT = %CVSROOT = %MIRRORS = %DEFAULTVALUE = %ICONS =
3.129     scop      232:   %MTYPES = %tags = %alltags = %fileinfo = ();
3.120     scop      233:
3.129     scop      234: $cvstreedefault = $logo = $defaulttitle =
3.120     scop      235:   $address = $long_intro = $short_instruction = $shortLogLen = $show_author =
3.131     scop      236:   $tablepadding = $hr_breakable = $showfunc = $hr_ignwhite =
3.129     scop      237:   $hr_ignkeysubst = $inputTextSize = $mime_types = $allow_annotate =
3.120     scop      238:   $allow_markup = $use_java_script = $open_extern_window =
                    239:   $extern_window_width = $extern_window_height = $edit_option_form =
3.144     scop      240:   $show_subdir_lastmod = $show_log_in_markup =
3.129     scop      241:   $tabstop = $use_moddate = $moddate =
3.122     scop      242:   $gzip_open = undef;
3.32      knu       243:
3.37      knu       244: @DIFFTYPES = qw(h H u c s);
                    245: @DIFFTYPES{@DIFFTYPES} = (
3.120     scop      246:   {
                    247:     'descr'   => 'colored',
                    248:     'opts'    => ['-u'],
                    249:     'colored' => 1,
                    250:   },
                    251:   {
                    252:     'descr'   => 'long colored',
                    253:     'opts'    => ['--unified=15'],
                    254:     'colored' => 1,
                    255:   },
                    256:   {
                    257:     'descr'   => 'unified',
                    258:     'opts'    => ['-u'],
                    259:     'colored' => 0,
                    260:   },
                    261:   {
                    262:     'descr'   => 'context',
                    263:     'opts'    => ['-c'],
                    264:     'colored' => 0,
                    265:   },
                    266:   {
                    267:     'descr'   => 'side by side',
                    268:     'opts'    => ['--side-by-side', '--width=164'],
                    269:     'colored' => 0,
                    270:   },
3.80      knu       271: );
3.37      knu       272:
                    273: @LOGSORTKEYS = qw(cvs date rev);
                    274: @LOGSORTKEYS{@LOGSORTKEYS} = (
3.120     scop      275:   {'descr' => 'Not sorted',},
                    276:   {'descr' => 'Commit date',},
                    277:   {'descr' => 'Revision',},
3.80      knu       278: );
3.37      knu       279:
3.1       knu       280: ##### End of configuration variables #####
                    281:
3.120     scop      282: $checkoutMagic =  "~checkout~";
                    283: $pathinfo      =  defined($ENV{PATH_INFO}) ? $ENV{PATH_INFO} : '';
                    284: $where         =  $pathinfo;
                    285: $doCheckout    =  ($where =~ m|^/$checkoutMagic/|);
                    286: $where         =~ s|^/$checkoutMagic/|/|;
                    287: $where         =~ s|^/||;
                    288: $scriptname    =  defined($ENV{SCRIPT_NAME}) ? $ENV{SCRIPT_NAME} : '';
                    289: $scriptname    =~ s|^/*|/|;
3.63      knu       290:
3.64      knu       291: # Let's workaround thttpd's stupidity..
3.63      knu       292: if ($scriptname =~ m|/$|) {
3.120     scop      293:   $pathinfo .= '/';
                    294:   my $re = quotemeta $pathinfo;
                    295:   $scriptname =~ s/$re$//;
3.63      knu       296: }
                    297:
3.120     scop      298: $scriptwhere  = $scriptname;
3.63      knu       299: $scriptwhere .= '/' . urlencode($where);
                    300: $where = '/' if ($where eq '');
3.3       knu       301:
3.1       knu       302: # in lynx, it it very annoying to have two links
                    303: # per file, so disable the link at the icon
                    304: # in this case:
3.120     scop      305: $Browser     = $ENV{HTTP_USER_AGENT} || '';
3.80      knu       306: $is_links    = ($Browser =~ m`^Links `);
                    307: $is_lynx     = ($Browser =~ m`^Lynx/`i);
                    308: $is_w3m      = ($Browser =~ m`^w3m/`i);
                    309: $is_msie     = ($Browser =~ m`MSIE`);
3.5       knu       310: $is_mozilla3 = ($Browser =~ m`^Mozilla/[3-9]`);
3.3       knu       311:
3.34      knu       312: $is_textbased = ($is_links || $is_lynx || $is_w3m);
3.5       knu       313:
                    314: $nofilelinks = $is_textbased;
3.1       knu       315:
                    316: # newer browsers accept gzip content encoding
                    317: # and state this in a header
                    318: # (netscape did always but didn't state it)
                    319: # It has been reported that these
                    320: #  braindamaged MS-Internet Exploders claim that they
                    321: # accept gzip .. but don't in fact and
                    322: # display garbage then :-/
3.23      knu       323: # Turn off gzip if running under mod_perl and no zlib is available,
                    324: # piping does not work as expected inside the server.
3.120     scop      325: $maycompress = (
                    326:   ((defined($ENV{HTTP_ACCEPT_ENCODING})
                    327:     && $ENV{HTTP_ACCEPT_ENCODING} =~ /gzip/)
                    328:    || $is_mozilla3)
                    329:   && !$is_msie
                    330:   && !($is_mod_perl && !$has_zlib)
                    331: );
3.1       knu       332:
                    333: # put here the variables we need in order
                    334: # to hold our state - they will be added (with
3.12      knu       335: # their current value) to any link/query string
3.1       knu       336: # you construct
3.149     scop      337: @stickyvars = qw(cvsroot hideattic ignorecase sortby logsort f only_with_tag
                    338:                  ln);
3.97      knu       339: @unsafevars = qw(logsort only_with_tag r1 r2 rev sortby tr1 tr2);
1.1       jfieber   340:
3.1       knu       341: if (-f $config) {
3.120     scop      342:   do "$config"
                    343:     or fatal("500 Internal Error",
                    344:              'Error in loading configuration file: %s<br><br>%s<br>',
                    345:              $config, $@);
3.27      knu       346: } else {
3.120     scop      347:   fatal("500 Internal Error",
                    348:         'Configuration not found.  Set the variable <code>$config</code> in cvsweb.cgi to your <b>cvsweb.conf</b> configuration file first.');
3.1       knu       349: }
                    350:
3.144     scop      351: $CSS = $cssurl ?
                    352:   sprintf("<link rel=\"stylesheet\" type=\"text/css\" href=\"%s\">\n",
                    353:           htmlquote($cssurl)) : '';
                    354:
3.1       knu       355: undef %input;
3.3       knu       356: $query = $ENV{QUERY_STRING};
                    357:
3.12      knu       358: if (defined($query) && $query ne '') {
3.120     scop      359:   foreach (split (/&/, $query)) {
                    360:     y/+/ /;
                    361:     s/%(..)/sprintf("%c", hex($1))/ge;    # unquote %-quoted
                    362:     if (/(\S+)=(.*)/) {
                    363:       $input{$1} = $2 if ($2 ne "");
                    364:     } else {
                    365:       $input{$_}++;
                    366:     }
                    367:   }
1.7       fenner    368: }
1.10      wosch     369:
3.12      knu       370: # For backwards compability, set only_with_tag to only_on_branch if set.
3.1       knu       371: $input{only_with_tag} = $input{only_on_branch}
3.120     scop      372:   if (defined($input{only_on_branch}));
3.97      knu       373:
3.154     scop      374: # Prevent cross-site scripting, untaint.
3.97      knu       375: foreach (@unsafevars) {
3.154     scop      376:   if (defined($input{$_})) {
                    377:     # Colons are needed in diffs between tags.
3.155     scop      378:     if ($input{$_} =~ /^([\w\-.:]*)$/) {
3.154     scop      379:       $input{$_} = $1;
                    380:     } else {
                    381:       fatal("500 Internal Error", 'Malformed query (%s=%s)', $_, $input{$_});
                    382:     }
3.120     scop      383:   }
3.97      knu       384: }
                    385:
                    386: if (defined($input{"content-type"})) {
3.146     scop      387:   fatal('500 Internal Error', 'Unsupported content-type')
                    388:     if ($input{"content-type"} !~ /^[-0-9A-Za-z]+\/[-0-9A-Za-z\.]+$/);
3.97      knu       389: }
1.10      wosch     390:
3.1       knu       391: $DEFAULTVALUE{'cvsroot'} = $cvstreedefault;
1.10      wosch     392:
3.120     scop      393: while (my ($key, $defval) = each %DEFAULTVALUE) {
3.80      knu       394:
3.120     scop      395:   # Replace not given parameters with defaults.
                    396:   next unless (defined($defval)
3.121     scop      397:                && (!defined($input{$key}) || $input{$key} eq ''));
3.120     scop      398:
                    399:   # Empty checkboxes in forms return nothing, so we define a helper variable
                    400:   # in these forms (copt) which indicates that we just set parameters with a
                    401:   # checkbox.
                    402:   if (defined($input{'copt'})) {
                    403:
                    404:     # 'copt' is defined -> the result of empty input checkbox
                    405:     # -> set to zero (disable) if default is a boolean (0|1).
                    406:     $input{$key} = 0 if ($defval eq '0' || $defval eq '1');
                    407:
                    408:   } else {
                    409:
                    410:     # 'copt' isn't defined --> empty input is not the result
                    411:     # of empty input checkbox --> set default.
                    412:     $input{$key} = $defval;
                    413:   }
1.10      wosch     414: }
3.12      knu       415:
3.1       knu       416: $barequery = "";
3.31      knu       417: my @barequery;
3.1       knu       418: foreach (@stickyvars) {
3.80      knu       419:
3.120     scop      420:   # construct a query string with the sticky non default parameters set
                    421:   if (defined($input{$_})
                    422:       && $input{$_} ne ''
                    423:       && !(defined($DEFAULTVALUE{$_}) && $input{$_} eq $DEFAULTVALUE{$_}))
                    424:   {
                    425:     push @barequery, join ('=', urlencode($_), urlencode($input{$_}));
                    426:   }
3.1       knu       427: }
3.80      knu       428:
3.1       knu       429: # is there any query ?
3.31      knu       430: if (@barequery) {
3.120     scop      431:   $barequery = join ('&', @barequery);
                    432:   $query     = "?$barequery";
                    433:   $barequery = "&$barequery";
3.80      knu       434: } else {
3.120     scop      435:   $query = "";
3.1       knu       436: }
3.31      knu       437: undef @barequery;
3.1       knu       438:
3.120     scop      439: if (defined($input{'path'})) {
                    440:   redirect("$scriptname/$input{path}$query");
3.57      knu       441: }
                    442:
3.1       knu       443: # get actual parameters
3.144     scop      444: {
                    445:   my $sortby = $input{sortby} || 'file';
                    446:   $bydate    = 0;
                    447:   $byrev     = 0;
                    448:   $byauthor  = 0;
                    449:   $bylog     = 0;
                    450:   $byfile    = 0;
                    451:   if ($sortby eq 'date') {
                    452:     $bydate = 1;
                    453:   } elsif ($sortby eq 'rev') {
                    454:     $byrev = 1;
                    455:   } elsif ($sortby eq 'author') {
                    456:     $byauthor = 1;
                    457:   } elsif ($sortby eq 'log') {
                    458:     $bylog = 1;
                    459:   } else {
                    460:     $byfile = 1;
                    461:   }
3.1       knu       462: }
                    463:
3.37      knu       464: $defaultDiffType = $input{'f'};
3.1       knu       465:
3.3       knu       466: $logsort = $input{'logsort'};
1.10      wosch     467:
3.95      knu       468: {
3.120     scop      469:   my @tmp = @CVSrepositories;
                    470:
                    471:   while (my ($key, $val) = splice(@tmp, 0, 2)) {
                    472:     my ($descr, $cvsroot) = @$val;
3.56      knu       473:
3.120     scop      474:     next unless -d $cvsroot;
                    475:
                    476:     $CVSROOTdescr{$key} = $descr;
                    477:     $CVSROOT{$key}      = $cvsroot;
                    478:     push(@CVSROOT, $key);
                    479:   }
3.56      knu       480: }
1.12      fenner    481:
3.1       knu       482: ## Default CVS-Tree
                    483: if (!defined($CVSROOT{$cvstreedefault})) {
3.120     scop      484:   fatal("500 Internal Error",
                    485:         '<code>$cvstreedefault</code> points to a repository (%s) not defined in <code>%%CVSROOT</code> (edit your configuration file %s)',
                    486:         $cvstreedefault,
                    487:         $config);
3.1       knu       488: }
                    489:
                    490: # alternate CVS-Tree, configured in cvsweb.conf
                    491: if ($input{'cvsroot'} && $CVSROOT{$input{'cvsroot'}}) {
3.120     scop      492:   $cvstree = $input{'cvsroot'};
3.1       knu       493: } else {
3.120     scop      494:   $cvstree = $cvstreedefault;
1.10      wosch     495: }
                    496:
3.1       knu       497: $cvsroot = $CVSROOT{$cvstree};
1.10      wosch     498:
3.1       knu       499: # create icons out of description
3.120     scop      500: foreach my $k (keys %ICONS) {
                    501:   my ($itxt, $ipath, $iwidth, $iheight) = @{$ICONS{$k}};
                    502:   no strict 'refs';
                    503:   if ($ipath) {
                    504:     ${"${k}icon"} =
                    505:       sprintf('<img src="%s" alt="%s" border="0" width="%d" height="%d">',
3.132     scop      506:               hrefquote($ipath), htmlquote($itxt), $iwidth, $iheight);
3.120     scop      507:   } else {
                    508:     ${"${k}icon"} = $itxt;
                    509:   }
1.24      wosch     510: }
                    511:
3.27      knu       512: my $config_cvstree = "$config-$cvstree";
                    513:
3.1       knu       514: # Do some special configuration for cvstrees
3.27      knu       515: if (-f $config_cvstree) {
3.120     scop      516:   do "$config_cvstree"
                    517:     or fatal("500 Internal Error",
                    518:              'Error in loading configuration file: %s<br><br>%s<br>',
                    519:              $config_cvstree, $@);
3.27      knu       520: }
3.31      knu       521: undef $config_cvstree;
3.1       knu       522:
3.120     scop      523: $re_prcategories  = '(?:' . join ('|', @prcategories) . ')' if @prcategories;
                    524: $re_prkeyword     = quotemeta($prkeyword) if defined($prkeyword);
                    525: $prcgi           .= '%s' if defined($prcgi) && $prcgi !~ /%s/;
1.24      wosch     526:
3.80      knu       527: $fullname         = "$cvsroot/$where";
3.1       knu       528:
3.63      knu       529: my $rewrite = 0;
                    530:
                    531: if ($pathinfo =~ m|//|) {
3.120     scop      532:   $pathinfo =~ y|/|/|s;
                    533:   $rewrite = 1;
3.63      knu       534: }
                    535:
3.120     scop      536: if (-d $fullname) {
                    537:   if ($pathinfo !~ m|/$|) {
                    538:     $pathinfo .= '/';
                    539:     $rewrite   = 1;
                    540:   }
                    541: } else {
                    542:   if ($pathinfo =~ m|/$|) {
                    543:     chop $pathinfo;
                    544:     $rewrite = 1;
                    545:   }
3.63      knu       546: }
                    547:
                    548: if ($rewrite) {
3.120     scop      549:   redirect($scriptname . urlencode($pathinfo) . $query);
3.1       knu       550: }
                    551:
3.63      knu       552: undef $rewrite;
                    553:
3.1       knu       554: if (!-d $cvsroot) {
3.120     scop      555:   fatal("500 Internal Error",
                    556:         '$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       557: }
                    558:
                    559: #
                    560: # See if the module is in our forbidden list.
                    561: #
                    562: $where =~ m:([^/]*):;
                    563: $module = $1;
                    564: if ($module && &forbidden_module($module)) {
3.120     scop      565:   fatal("403 Forbidden", 'Access to %s forbidden.', $where);
3.1       knu       566: }
3.46      knu       567:
                    568: #
                    569: # Handle tarball downloads before any headers are output.
                    570: #
                    571: if ($input{tarball}) {
3.120     scop      572:   fatal('403 Forbidden', 'Downloading tarballs is prohibited.')
                    573:     unless $allow_tar;
                    574:   my ($module)  =  ($where =~ m,^/?(.*),);    # untaint
                    575:   $module       =~ s,/([^/]*)$,,;
                    576:   my ($ext)     =  ($1 =~ /(\.tar\.gz|\.zip)$/);
                    577:   my ($basedir) =  ($module =~ m,([^/]+)$,);
                    578:
                    579:   if ($basedir eq '' || $module eq '') {
                    580:     fatal('500 Internal Error',
                    581:           'You cannot download the top level directory.');
                    582:   }
                    583:
3.138     scop      584:   my $tmpexportdir;
                    585:   eval {
                    586:     local $SIG{__DIE__};
                    587:     $tmpexportdir = tempdir($TempTemplate, DIR => $tmpdir, CLEANUP => 1);
                    588:   };
                    589:   if ($@) {
                    590:     fatal('500 Internal Error', 'Unable to make temporary directory: %s', $@);
                    591:   }
3.120     scop      592:
                    593:   my @fatal;
                    594:
                    595:   my $tag =
                    596:     (exists $input{only_with_tag} && length $input{only_with_tag})
                    597:     ? $input{only_with_tag}
                    598:     : 'HEAD';
                    599:
                    600:   $tag = 'HEAD' if $tag eq 'MAIN';
                    601:
                    602:   if (system($CMD{cvs},
                    603:              @cvs_options, '-Qd', $cvsroot, 'export', '-r', $tag, '-d',
                    604:              "$tmpexportdir/$basedir", $module))
                    605:   {
3.141     scop      606:     @fatal = ('500 Internal Error', 'cvs export failure: %s: %s', $!, $module);
3.120     scop      607:   } else {
                    608:     $| = 1;    # Essential to get the buffering right.
                    609:
                    610:     if ($ext eq '.tar.gz') {
                    611:       print "Content-Type: application/x-gzip\r\n\r\n";
                    612:
                    613:       system("$CMD{tar} @tar_options -cf - -C $tmpexportdir $basedir | $CMD{gzip} @gzip_options -c")
                    614:         and @fatal =
                    615:           ('500 Internal Error', 'tar zc failure: %s: %s', $!, $basedir);
                    616:     } elsif ($ext eq '.zip' && $CMD{zip}) {
                    617:       print "Content-Type: application/zip\r\n\r\n";
                    618:
                    619:       system("cd $tmpexportdir && $CMD{zip} @zip_options -r - $basedir")
                    620:         and @fatal =
                    621:           ('500 Internal Error', 'zip failure: %s: %s', $!, $basedir);
                    622:     } else {
                    623:       @fatal = ('500 Internal Error', 'unsupported file type');
                    624:     }
                    625:   }
3.46      knu       626:
3.138     scop      627:   # File::Temp's CLEANUP will handle cleanup of the temp dir for us.
3.46      knu       628:
3.120     scop      629:   &fatal(@fatal) if @fatal;
3.46      knu       630:
3.120     scop      631:   exit;
3.46      knu       632: }
                    633:
3.1       knu       634: ##############################
                    635: # View a directory
                    636: ###############################
3.46      knu       637: if (-d $fullname) {
3.120     scop      638:   my $dh = do { local (*DH); };
                    639:   opendir($dh, $fullname) or fatal("404 Not Found", '%s: %s', $where, $!);
                    640:   my @dir = readdir($dh);
                    641:   closedir($dh);
                    642:   my @subLevelFiles = findLastModifiedSubdirs(@dir)
                    643:     if ($show_subdir_lastmod);
3.150     scop      644:   my @unreadable = getDirLogs($cvsroot, $where, @subLevelFiles);
3.120     scop      645:
                    646:   if ($where eq '/') {
                    647:     html_header($defaulttitle);
                    648:     $long_intro =~ s/!!CVSROOTdescr!!/$CVSROOTdescr{$cvstree}/g;
                    649:     print $long_intro;
                    650:   } else {
                    651:     html_header($where);
                    652:     print $short_instruction;
                    653:   }
                    654:
                    655:   if ($use_descriptions && open(DESC, "<$cvsroot/CVSROOT/descriptions")) {
                    656:     while (<DESC>) {
                    657:       chomp;
                    658:       my ($dir, $description) = /(\S+)\s+(.*)/;
                    659:       $descriptions{$dir} = $description;
                    660:     }
                    661:     close(DESC);
                    662:   }
                    663:
                    664:   print "<p><a name=\"dirlist\"></a></p>\n";
                    665:
                    666:   # give direct access to dirs
                    667:   if ($where eq '/') {
                    668:     chooseMirror();
                    669:     chooseCVSRoot();
                    670:   } else {
                    671:     print "<p>Current directory: <b>", &clickablePath($where, 0), "</b></p>\n";
                    672:
3.153     scop      673:     print "<p>Current tag: <b>", htmlquote($input{only_with_tag}), "</b></p>\n"
3.120     scop      674:       if $input{only_with_tag};
                    675:
                    676:   }
                    677:
                    678:   print "<hr noshade>\n";
                    679:
3.131     scop      680:   my $infocols = 0;
                    681:
                    682:   print "<table class=\"dir\" width=\"100%\" cellspacing=\"1\" cellpadding=\"$tablepadding\">\n";
                    683:   $infocols++;
3.132     scop      684:   printf "<tr>\n<th class=\"dir-header%s\" colspan=\"2\">",
                    685:     $byfile ? '-sorted' : '';
3.131     scop      686:
                    687:   if ($byfile) {
                    688:     print 'File';
                    689:   } else {
                    690:     print &link('File',
                    691:                 sprintf('./%s#dirlist', toggleQuery('sortby', 'file')));
                    692:   }
                    693:   print "</th>\n";
3.120     scop      694:
3.131     scop      695:   # Do not display the other column headers if we do not have any files
                    696:   # with revision information.
                    697:   if (scalar(%fileinfo)) {
3.120     scop      698:     $infocols++;
3.131     scop      699:     printf '<th class="dir-header%s">', $byrev ? '-sorted' : '';
3.120     scop      700:
3.131     scop      701:     if ($byrev) {
                    702:       print 'Rev.';
3.120     scop      703:     } else {
3.131     scop      704:       print &link('Rev.',
                    705:                   sprintf('./%s#dirlist', toggleQuery('sortby', 'rev')));
3.120     scop      706:     }
                    707:     print "</th>\n";
3.131     scop      708:     $infocols++;
                    709:     printf '<th class="dir-header%s">', $bydate ? '-sorted' : '';
3.120     scop      710:
3.131     scop      711:     if ($bydate) {
                    712:       print 'Age';
                    713:     } else {
                    714:       print &link('Age',
                    715:                   sprintf('./%s#dirlist', toggleQuery('sortby', 'date')));
                    716:     }
                    717:     print "</th>\n";
3.120     scop      718:
3.131     scop      719:     if ($show_author) {
3.120     scop      720:       $infocols++;
3.131     scop      721:       printf '<th class="dir-header%s">', $byauthor ? '-sorted' : '';
3.120     scop      722:
3.131     scop      723:       if ($byauthor) {
                    724:         print 'Author';
3.120     scop      725:       } else {
3.131     scop      726:         print
                    727:           &link('Author',
                    728:                 sprintf('./%s#dirlist', toggleQuery('sortby', 'author')));
3.120     scop      729:       }
                    730:       print "</th>\n";
3.131     scop      731:     }
                    732:     $infocols++;
                    733:     printf '<th class="dir-header%s">', $bylog ? '-sorted' : '';
3.120     scop      734:
3.131     scop      735:     if ($bylog) {
                    736:       print 'Last log entry';
                    737:     } else {
                    738:       print &link('Last log entry',
                    739:                   sprintf('./%s#dirlist', toggleQuery('sortby', 'log')));
3.120     scop      740:     }
3.131     scop      741:     print "</th>\n";
                    742:   } elsif ($use_descriptions) {
                    743:     print "<th class=\"dir-header\">Description</th>\n";
                    744:     $infocols++;
3.120     scop      745:   }
3.131     scop      746:   print "</tr>\n";
                    747:
3.120     scop      748:   my $dirrow = 0;
                    749:
                    750:   my $i;
                    751:   lookingforattic:
                    752:   for ($i = 0; $i <= $#dir; $i++) {
                    753:     if ($dir[$i] eq "Attic") {
                    754:       last lookingforattic;
                    755:     }
                    756:   }
                    757:
                    758:   if (!$input{'hideattic'}
                    759:       && ($i <= $#dir)
                    760:       && opendir($dh, $fullname . '/Attic'))
                    761:   {
                    762:     splice(@dir, $i, 1, grep((s|^|Attic/|, !m|/\.|), readdir($dh)));
                    763:     closedir($dh);
                    764:   }
                    765:
                    766:   my $hideAtticToggleLink =
                    767:     $input{'hideattic'}
                    768:     ? ''
                    769:     : &link('[Hide]', sprintf('./%s#dirlist', &toggleQuery('hideattic')));
                    770:
                    771:   # Sort without the Attic/ pathname.
                    772:   # place directories first
                    773:
                    774:   my $attic;
                    775:   my $url;
                    776:   my $fileurl;
                    777:   my $filesexists;
                    778:   my $filesfound;
                    779:
                    780:   foreach my $file (sort { &fileSortCmp } @dir) {
                    781:
                    782:     next if ($file eq '.');
                    783:
                    784:     # ignore CVS lock and stale NFS files
                    785:     next if ($file =~ /^\#cvs\.|^,|^\.nfs/); # \# for XEmacs cperl-mode...
                    786:
                    787:     # Check whether to show the CVSROOT path
                    788:     next if ($input{'hidecvsroot'} && $file eq 'CVSROOT');
                    789:
                    790:     # Check whether the module is in the restricted list
                    791:     next if ($file && &forbidden_module($file));
                    792:
3.150     scop      793:     # Is it a directory?
                    794:     my $isdir = -d "$fullname/$file";
                    795:
                    796:     # Ignore non-readable files and directories?
                    797:     next if ($input{'hidenonreadable'} && (! -r _ || ($isdir && ! -x _)));
3.120     scop      798:
                    799:     if ($file =~ s|^Attic/||) {
3.131     scop      800:       $attic = ' (in&nbsp;the&nbsp;Attic)&nbsp;' . $hideAtticToggleLink;
3.120     scop      801:     } else {
                    802:       $attic = '';
                    803:     }
                    804:
3.150     scop      805:     if ($file eq '..' || $isdir) {
3.120     scop      806:       next if ($file eq '..' && $where eq '/');
3.152     scop      807:       my ($rev, $date, $log, $author, $filename, $keywordsubst) =
                    808:         @{$fileinfo{$file}} if (defined($fileinfo{$file}));
3.132     scop      809:       printf "<tr class=\"dir-row-%s\">\n<td colspan=\"2\">",
                    810:         ($dirrow % 2) ? 'even' : 'odd';
3.120     scop      811:
                    812:       if ($file eq '..') {
                    813:         $url = "../$query";
                    814:         if ($nofilelinks) {
                    815:           print $backicon;
                    816:         } else {
                    817:           print &link($backicon, $url);
                    818:         }
                    819:         print '&nbsp;', &link("Parent Directory", $url);
                    820:       } else {
                    821:         $url = './' . urlencode($file) . "/$query";
3.136     scop      822:         print '<a name="', hrefquote($file), '"></a>';
3.120     scop      823:
                    824:         if ($nofilelinks) {
                    825:           print $diricon;
                    826:         } else {
                    827:           print &link($diricon, $url);
                    828:         }
3.136     scop      829:         print '&nbsp;', &link(htmlquote("$file/"), $url), $attic;
3.120     scop      830:
                    831:         if ($file eq "Attic") {
                    832:           print "&nbsp; ";
                    833:           print &link('[Don\'t hide]',
                    834:                       sprintf('./%s#dirlist', &toggleQuery('hideattic')));
                    835:         }
                    836:       }
                    837:
                    838:       # Show last change in dir
                    839:       if ($filename) {
3.131     scop      840:         print "</td>\n<td>&nbsp;</td>\n<td>&nbsp;";
                    841:
3.120     scop      842:         if ($date) {
                    843:           print " <i>", readableTime(time() - $date, 0), "</i>";
                    844:         }
                    845:
                    846:         if ($show_author) {
3.136     scop      847:           print "</td>\n<td>&nbsp;", htmlquote($author);
3.120     scop      848:         }
3.131     scop      849:         print "</td>\n<td>&nbsp;";
3.120     scop      850:         $filename =~ s%^[^/]+/%%;
3.136     scop      851:         print htmlquote($filename), '/', $rev, '<br>';
3.120     scop      852:
                    853:         if ($log) {
                    854:           print '&nbsp;<span style="font-size: smaller">',
                    855:             &htmlify(substr($log, 0, $shortLogLen), $allow_dir_extra);
                    856:           print '...' if (length($log) > 80);
                    857:           print '</span>';
                    858:         }
                    859:       } else {
                    860:         my $dwhere = ($where ne '/' ? $where : '') . $file;
                    861:
                    862:         if ($use_descriptions && defined $descriptions{$dwhere}) {
3.131     scop      863:           print '<td colspan="', ($infocols - 1), '">&nbsp;';
3.120     scop      864:           print $descriptions{$dwhere};
                    865:
3.131     scop      866:         } elsif ($infocols > 1) {
3.120     scop      867:
                    868:           # close the row with the appropriate number of
                    869:           # columns, so that the vertical seperators are visible
                    870:           my ($cols) = $infocols;
                    871:           while ($cols > 1) {
                    872:             print "</td>\n<td>&nbsp;";
                    873:             $cols--;
                    874:           }
                    875:         }
                    876:       }
                    877:
3.131     scop      878:       print "</td>\n</tr>\n";
3.120     scop      879:       $dirrow++;
3.131     scop      880:
3.120     scop      881:     } elsif ($file =~ s/,v$//) {
                    882:
                    883:       # Skip forbidden files now so we'll give no hint
                    884:       # about their existence.  This should probably have
                    885:       # been done earlier, but it's straightforward here.
                    886:       next if forbidden_file("$fullname/$file");
                    887:
                    888:       $fileurl   = ($attic ? 'Attic/' : '') . urlencode($file);
                    889:       $url       = './' . $fileurl . $query;
                    890:       $filesexists++;
                    891:       next if (!defined($fileinfo{$file}));
3.152     scop      892:       my ($rev, $date, $log, $author, $filename, $keywordsubst) =
                    893:         @{$fileinfo{$file}};
3.156     scop      894:       my $isbinary = $keywordsubst eq 'b' ? 1 : 0;
3.120     scop      895:       $filesfound++;
3.156     scop      896:
3.132     scop      897:       printf "<tr class=\"dir-row-%s\">\n", ($dirrow % 2) ? 'even' : 'odd';
                    898:       printf '<td%s>', $allow_cvsgraph ? '' : ' colspan="2"';
3.120     scop      899:
3.156     scop      900:       my $icon = $isbinary ? $binfileicon : $fileicon;
3.120     scop      901:       if ($nofilelinks) {
3.152     scop      902:         print $icon;
3.120     scop      903:       } else {
3.152     scop      904:         print &link($icon, $url);
3.120     scop      905:       }
                    906:       print '&nbsp;', &link(htmlquote($file), $url), $attic;
3.132     scop      907:       if ($allow_cvsgraph) {
                    908:         print '</td><td>', &graph_link($fileurl, $rev);
                    909:       }
                    910:       print "</td>\n<td width=\"30\">&nbsp;";
3.120     scop      911:       download_link($fileurl, $rev, $rev,
3.156     scop      912:                     viewable(getMimeType($file, $isbinary)) ?
                    913:                     'text/x-cvsweb-markup' : undef);
3.131     scop      914:       print "</td>\n<td>&nbsp;";
3.120     scop      915:
                    916:       if ($date) {
                    917:         print " <i>", readableTime(time() - $date, 0), "</i>";
                    918:       }
                    919:       if ($show_author) {
3.136     scop      920:         print "</td>\n<td>&nbsp;", htmlquote($author);
3.120     scop      921:       }
3.131     scop      922:       print "</td>\n<td>&nbsp;";
3.120     scop      923:
                    924:       if ($log) {
                    925:         print ' <span style="font-size: smaller">',
                    926:           &htmlify(substr($log, 0, $shortLogLen), $allow_dir_extra);
                    927:         print '...' if (length $log > 80);
                    928:         print '</span>';
                    929:       }
3.131     scop      930:       print "</td>\n</tr>";
3.120     scop      931:       $dirrow++;
                    932:     }
                    933:     print "\n";
                    934:   }
                    935:
3.131     scop      936:   print "</table>\n";
3.120     scop      937:
3.150     scop      938:   if ((my $num = scalar(@unreadable)) && ! $input{hidenonreadable}) {
                    939:     printf(<<EOF, $num, htmlquote(join(', ', @unreadable)));
                    940: <p>
                    941:  <b>NOTE:</b> The following %d unreadable files were ignored:<br>
                    942:  <em>%s</em>
                    943: </p>
                    944: EOF
                    945:   }
                    946:
3.120     scop      947:   if ($filesexists && !$filesfound) {
3.150     scop      948:     my $currtag = defined($input{only_with_tag}) ?
                    949:       sprintf(' (%s)', htmlquote($input{only_with_tag})) : '';
                    950:     printf(<<EOF, $filesexists, $currtag);
                    951: <p>
                    952:  <b>NOTE:</b> There are %d files, but none matches the current tag%s.
                    953: </p>
                    954: EOF
3.120     scop      955:   }
                    956:
                    957:   if ($input{only_with_tag} && (!%tags || !$tags{$input{only_with_tag}})) {
                    958:     %tags = %alltags;
                    959:   }
                    960:
                    961:   if (scalar %tags
                    962:       || $input{only_with_tag}
                    963:       || $edit_option_form
                    964:       || defined($input{"options"}))
                    965:   {
                    966:     print "<hr size=\"1\" noshade>\n";
                    967:   }
                    968:
                    969:   if (scalar %tags || $input{only_with_tag}) {
                    970:     print "<form method=\"get\" action=\"./\">\n";
                    971:     foreach my $var (@stickyvars) {
3.154     scop      972:       printf("<input type=\"hidden\" name=\"$var\" value=\"%s\">\n",
                    973:              htmlquote($input{$var}))
3.120     scop      974:         if (defined($input{$var})
                    975:             && (!defined($DEFAULTVALUE{$var})
                    976:                 || $input{$var} ne $DEFAULTVALUE{$var})
                    977:             && $input{$var} ne ""
                    978:             && $var ne 'only_with_tag');
                    979:     }
                    980:     print "<p><label for=\"only_with_tag\" accesskey=\"T\">";
                    981:     print "Show only files with tag:</label>\n";
                    982:     print "<select id=\"only_with_tag\" name=\"only_with_tag\"";
                    983:     print " onchange=\"this.form.submit()\"" if $use_java_script;
                    984:     print ">";
                    985:     print "<option value=\"\">All tags / default branch</option>\n";
                    986:
                    987:     foreach my $tag (reverse sort { lc $a cmp lc $b } keys %tags) {
3.136     scop      988:       my $selected =
                    989:         defined($input{only_with_tag}) && $input{only_with_tag} eq $tag;
                    990:       printf("<option%s>%s</option>\n",
                    991:              $selected ? ' selected' : '',
                    992:              htmlquote($tag));
3.120     scop      993:     }
                    994:     print "</select>\n";
                    995:     print " <label for=\"path\" accesskey=\"P\">";
                    996:     print "Module path or alias:</label>\n";
                    997:     printf "<input type=\"text\" id=\"path\" name=\"path\" value=\"%s\" size=\"15\">\n", htmlquote($where);
                    998:     print "<input type=\"submit\" value=\"Go\" accesskey=\"G\"></p>\n";
                    999:     print "</form>\n";
                   1000:   }
                   1001:
                   1002:   if ($allow_tar) {
                   1003:     my ($basefile) = ($where =~ m,(?:.*/)?([^/]+),);
                   1004:
                   1005:     if (defined($basefile) && $basefile ne '') {
                   1006:       print "<hr noshade>\n",
                   1007:         "<div align=\"center\">Download this directory in ";
                   1008:
                   1009:       # Mangle the filename so browsers show a reasonable
                   1010:       # filename to download.
                   1011:       print
                   1012:         &link("tarball",
                   1013:               "./$basefile.tar.gz$query" . ($query ? "&" : "?") . "tarball=1");
                   1014:       if ($CMD{zip}) {
                   1015:         print " or ",
                   1016:           &link("zip archive",
                   1017:                 "./$basefile.zip$query" . ($query ? "&" : "?") . "tarball=1");
                   1018:       }
                   1019:       print "</div>\n";
                   1020:     }
                   1021:   }
                   1022:
                   1023:   if ($edit_option_form || defined($input{"options"})) {
                   1024:
                   1025:     my $formwhere = $scriptwhere;
                   1026:     $formwhere =~ s|Attic/?$|| if ($input{'hideattic'});
                   1027:
3.149     scop     1028:     print <<EOF;
                   1029: <form method="get" action="${formwhere}">
                   1030: <input type="hidden" name="copt" value="1">
                   1031: EOF
3.120     scop     1032:     if ($cvstree ne $cvstreedefault) {
                   1033:       print "<input type=\"hidden\" name=\"cvsroot\" value=\"$cvstree\">\n";
                   1034:     }
3.149     scop     1035:     print <<EOF;
                   1036: <center>
                   1037: <table cellpadding="0" cellspacing="0">
                   1038: <tr class="dir-header">
                   1039:  <th style="text-align: center">Preferences</th>
                   1040: </tr>
                   1041: <tr>
                   1042: <td>
                   1043: <label for="sortby" accesskey="F">Sort files by:
                   1044: <select id="sortby" name="sortby">
                   1045: <option value="">File</option>
                   1046: EOF
3.120     scop     1047:     print "<option", $bydate ? " selected" : "",
                   1048:       " value=\"date\">Age</option>\n";
                   1049:     print "<option", $byauthor ? " selected" : "",
                   1050:       " value=\"author\">Author</option>\n"
3.140     scop     1051:         if $show_author;
3.120     scop     1052:     print "<option", $byrev ? " selected" : "",
                   1053:       " value=\"rev\">Revision</option>\n";
                   1054:     print "<option", $bylog ? " selected" : "",
                   1055:       " value=\"log\">Log message</option>\n";
3.140     scop     1056:     print "</select></label>,\n";
                   1057:     print '<label for="ignorecase" accesskey="I">case-insensitive: ';
                   1058:     print "<input id=\"ignorecase\" name=\"ignorecase\" type=\"checkbox\"",
                   1059:       $input{'ignorecase'} ? " checked" : "", " value=\"1\"></label>\n";
                   1060:     print "<label for=\"logsort\" accesskey=\"L\">Sort log by: ";
3.120     scop     1061:     printLogSortSelect(0);
3.140     scop     1062:     print "</label></td>\n</tr>\n";
                   1063:     print "<tr>\n<td><label for=\"f\" accesskey=\"D\">Diff format: ";
3.120     scop     1064:     printDiffSelect(0);
3.140     scop     1065:     print '</label> ';
                   1066:     print '<label for="hideattic" accesskey="A">Hide files in Attic: ';
3.120     scop     1067:     print "<input id=\"hideattic\" name=\"hideattic\" type=\"checkbox\"",
3.149     scop     1068:       $input{'hideattic'} ? ' checked' : '',
                   1069:         " value=\"1\"></label></td>\n</tr>\n";
                   1070:     print "<tr>\n<td><label for=\"ln\" accesskey=\"N\">Show line numbers: ";
                   1071:     print "<input id=\"ln\" name=\"ln\" type=\"checkbox\"",
                   1072:       $input{ln} ? ' checked' : '', " value=\"1\"></label></td>\n</tr>\n";
                   1073:     print <<EOF;
                   1074: <tr>
                   1075:  <td align="center">
                   1076:   <input type="submit" value="Change Options" accesskey="C">
                   1077:  </td>
                   1078: </tr>
                   1079: </table>
                   1080: </center>
                   1081: </form>
                   1082: EOF
3.120     scop     1083:   }
                   1084:   html_footer();
3.80      knu      1085: }
3.1       knu      1086:
                   1087: ###############################
                   1088: # View Files
                   1089: ###############################
3.80      knu      1090: elsif (-f $fullname . ',v') {
3.114     scop     1091:
3.120     scop     1092:   if (forbidden_file($fullname)) {
                   1093:     fatal('403 Forbidden',
                   1094:           'Access forbidden.  This file is mentioned in @ForbiddenFiles');
                   1095:     return;
                   1096:   }
                   1097:
                   1098:   if (defined($input{'rev'}) || $doCheckout) {
                   1099:     &doCheckout($fullname, $input{'rev'});
                   1100:     gzipclose();
                   1101:     exit;
                   1102:   }
                   1103:
                   1104:   if (defined($input{'annotate'}) && $allow_annotate) {
                   1105:     &doAnnotate($input{'annotate'});
                   1106:     gzipclose();
                   1107:     exit;
                   1108:   }
                   1109:
                   1110:   if (defined($input{'r1'}) && defined($input{'r2'})) {
                   1111:     &doDiff($fullname,    $input{'r1'},  $input{'tr1'},
                   1112:             $input{'r2'}, $input{'tr2'}, $input{'f'});
                   1113:     gzipclose();
                   1114:     exit;
                   1115:   }
3.132     scop     1116:
                   1117:   if (defined($input{'graph'}) && $allow_cvsgraph) {
                   1118:     if (defined($input{'makeimage'})) {
                   1119:       &doGraph($input{'graph'});
                   1120:     } else {
                   1121:       &doGraphView($input{'graph'});
                   1122:     }
                   1123:     gzipclose();
                   1124:     exit;
                   1125:   }
                   1126:
3.120     scop     1127:   &doLog($fullname);
                   1128:
                   1129:   ##############################
                   1130:   # View Diff
                   1131:   ##############################
                   1132: } elsif ($fullname =~ s/\.diff$//
                   1133:          && -f $fullname . ",v"
                   1134:          && $input{'r1'}
                   1135:          && $input{'r2'})
                   1136: {
                   1137:
                   1138:   # $where-diff-removal if 'cvs rdiff' is used
                   1139:   # .. but 'cvs rdiff'doesn't support some options
                   1140:   # rcsdiff does (-w and -p), so it is disabled
                   1141:   # $where =~ s/\.diff$//;
                   1142:
                   1143:   # Allow diffs using the ".diff" extension
                   1144:   # so that browsers that default to the URL
                   1145:   # for a save filename don't save diff's as
                   1146:   # e.g. foo.c
                   1147:   &doDiff($fullname,    $input{'r1'},  $input{'tr1'},
                   1148:           $input{'r2'}, $input{'tr2'}, $input{'f'});
                   1149:   gzipclose();
                   1150:   exit;
                   1151: } elsif (($newname = $fullname) =~ s|/([^/]+)$|/Attic/$1|
                   1152:   && -f $newname . ",v")
                   1153: {
                   1154:
                   1155:   # The file has been removed and is in the Attic.
                   1156:   # Send a redirect pointing to the file in the Attic.
                   1157:   (my $newplace = $scriptwhere) =~ s|/([^/]+)$|/Attic/$1|;
                   1158:   if ($ENV{QUERY_STRING} ne "") {
                   1159:     redirect("${newplace}?$ENV{QUERY_STRING}");
                   1160:   } else {
                   1161:     redirect($newplace);
                   1162:   }
                   1163:   exit;
3.80      knu      1164: } elsif (0 && (my @files = &safeglob($fullname . ",v"))) {
3.120     scop     1165:   http_header("text/plain");
                   1166:   print "You matched the following files:\n";
                   1167:   print join ("\n", @files);
3.80      knu      1168:
3.120     scop     1169:   # Find the tags from each file
                   1170:   # Display a form offering diffs between said tags
3.80      knu      1171: } else {
3.120     scop     1172:   my $fh = do { local (*FH); };
                   1173:   my ($xtra, $module);
3.80      knu      1174:
3.120     scop     1175:   # Assume it's a module name with a potential path following it.
                   1176:   $xtra = (($module = $where) =~ s|/.*||) ? $& : '';
3.80      knu      1177:
3.120     scop     1178:   # Is there an indexed version of modules?
                   1179:   if (open($fh, "< $cvsroot/CVSROOT/modules")) {
                   1180:     while (<$fh>) {
                   1181:       if (/^(\S+)\s+(\S+)/o
                   1182:           && $module eq $1
                   1183:           && -d "$cvsroot/$2"
                   1184:           && $module ne $2)
                   1185:       {
                   1186:         redirect("$scriptname/$2$xtra$query");
                   1187:       }
                   1188:     }
                   1189:   }
                   1190:   fatal("404 Not Found", '%s: no such file or directory', $where);
3.80      knu      1191: }
3.23      knu      1192:
3.25      knu      1193: gzipclose();
3.80      knu      1194:
3.1       knu      1195: ## End MAIN
                   1196:
3.120     scop     1197: sub printDiffSelect($)
                   1198: {
                   1199:   my ($use_java_script) = @_;
                   1200:   my $f = $input{'f'};
                   1201:
                   1202:   print '<select id="f" name="f"';
                   1203:   print ' onchange="this.form.submit()"' if $use_java_script;
                   1204:   print ">\n";
                   1205:
                   1206:   local $_;
                   1207:   for (@DIFFTYPES) {
                   1208:     printf("<option value=\"%s\"%s>%s</option>\n",
                   1209:            $_, $f eq $_ ? ' selected' : '',
                   1210:            "\u$DIFFTYPES{$_}{'descr'}");
                   1211:   }
                   1212:
                   1213:   print "</select>";
                   1214: }
                   1215:
                   1216: sub printLogSortSelect($)
                   1217: {
                   1218:   my ($use_java_script) = @_;
                   1219:
                   1220:   print '<select id="logsort" name="logsort"';
                   1221:   print ' onchange="this.form.submit()"' if $use_java_script;
                   1222:   print ">\n";
                   1223:
                   1224:   local $_;
                   1225:   for (@LOGSORTKEYS) {
                   1226:     printf("<option value=\"%s\"%s>%s</option>\n",
                   1227:            $_, $logsort eq $_ ? ' selected' : '',
                   1228:            "\u$LOGSORTKEYS{$_}{'descr'}");
                   1229:   }
                   1230:
                   1231:   print "</select>";
                   1232: }
                   1233:
                   1234: sub findLastModifiedSubdirs(@)
                   1235: {
                   1236:   my (@dirs) = @_;
                   1237:   my ($dirname, @files);
                   1238:
                   1239:   foreach $dirname (@dirs) {
                   1240:     next if ($dirname eq ".");
                   1241:     next if ($dirname eq "..");
                   1242:     my ($dir) = "$fullname/$dirname";
                   1243:     next if (!-d $dir);
                   1244:
                   1245:     my ($lastmod)     = undef;
                   1246:     my ($lastmodtime) = undef;
                   1247:     my $dh = do { local (*DH); };
                   1248:
                   1249:     opendir($dh, $dir) or next;
                   1250:     my (@filenames) = readdir($dh);
                   1251:     closedir($dh);
                   1252:
                   1253:     foreach my $filename (@filenames) {
                   1254:       $filename = "$dirname/$filename";
                   1255:       my ($file) = "$fullname/$filename";
                   1256:       next if ($filename !~ /,v$/ || !-f $file);
                   1257:
                   1258:       # Skip forbidden files.
                   1259:       (my $f = $file) =~ s/,v$//;
                   1260:       next if forbidden_file($f);
                   1261:
                   1262:       $filename =~ s/,v$//;
                   1263:       my $modtime = -M $file;
                   1264:
                   1265:       if (!defined($lastmod) || $modtime < $lastmodtime) {
                   1266:         $lastmod     = $filename;
                   1267:         $lastmodtime = $modtime;
                   1268:       }
                   1269:     }
                   1270:     push (@files, $lastmod) if (defined($lastmod));
                   1271:   }
                   1272:   return @files;
                   1273: }
                   1274:
                   1275: sub htmlify_sub(&$)
                   1276: {
                   1277:   (my $proc, local $_) = @_;
                   1278:   my @a = split (m`(<a [^>]+>[^<]*</a>)`i);
                   1279:   my $linked;
                   1280:   my $result = '';
                   1281:
                   1282:   while (($_, $linked) = splice(@a, 0, 2)) {
                   1283:     &$proc();
                   1284:     $result .= $_      if defined($_);
                   1285:     $result .= $linked if defined($linked);
                   1286:   }
                   1287:
                   1288:   $result;
                   1289: }
                   1290:
                   1291: sub htmlify($;$)
                   1292: {
                   1293:   (local $_, my $extra) = @_;
                   1294:
                   1295:   $_ = htmlquote($_);
                   1296:
                   1297:   # get URL's as link
                   1298:   s{
3.130     scop     1299:     ((https?|ftp)://.+?)([\s\']|&(quot|[lg]t);)
3.120     scop     1300:    }{
3.130     scop     1301:      &link($1, htmlunquote($1)) . $3
3.120     scop     1302:    }egx;
                   1303:
                   1304:   # get e-mails as link
                   1305:   $_ = htmlify_sub {
                   1306:     s<
                   1307:       [\w+=\-.!]+@[\w\-]+(\.[\w\-]+)+
                   1308:      ><
                   1309:        &link($&, "mailto:$&")
                   1310:      >egix;
                   1311:   } $_;
                   1312:
                   1313:   if ($extra) {
                   1314:
                   1315:     # get PR #'s as link: "PR#nnnn" "PR: nnnn, ..." "PR nnnn, ..." "bin/nnnn"
                   1316:     if (defined($prcgi) && defined($re_prkeyword)) {
                   1317:       my $prev;
                   1318:
                   1319:       do {
                   1320:         $prev = $_;
                   1321:
                   1322:         $_ = htmlify_sub {
                   1323:           s{
                   1324:             (\b$re_prkeyword[:\#]?\s*
                   1325:              (?:
                   1326:               \#?
                   1327:               \d+[,\s]\s*
                   1328:              )*
                   1329:              \#?)
                   1330:             (\d+)\b
                   1331:            }{
                   1332:              $1 . &link($2, sprintf($prcgi, $2))
                   1333:            }egix;
                   1334:         } $_;
                   1335:       } while ($_ ne $prev);
                   1336:
                   1337:       if (defined($re_prcategories)) {
                   1338:         $_ = htmlify_sub {
                   1339:           s{
                   1340:             (\b$re_prcategories/(\d+)\b)
                   1341:            }{
                   1342:              &link($1, sprintf($prcgi, $2))
                   1343:            }egox;
                   1344:         } $_;
                   1345:       }
                   1346:     }
                   1347:
                   1348:     # get manpage specs as link: "foo.1" "foo(1)"
                   1349:     if (defined($mancgi)) {
                   1350:       $_ = htmlify_sub {
                   1351:         s{
3.143     knu      1352:           (
                   1353:            \b ( \w[\w+\-.]* (?: ::\w[\w+\-.]*)* )
3.120     scop     1354:            (?:
3.143     knu      1355:             \( ([0-9n]) \) \B
3.120     scop     1356:             |
3.143     knu      1357:             \. ([0-9n]) \b
3.120     scop     1358:            )
                   1359:           )
                   1360:          }{
3.149     scop     1361:             my($text, $name, $section) = ($1, $2, defined($3) ? $3 : $4);
                   1362:             ($name =~ /[A-Za-z]/ && $name !~ /\.(:|$)/)
                   1363:              ? &link($text, sprintf($mancgi, $section, $name))
                   1364:               : $text;
3.120     scop     1365:          }egx;
                   1366:       } $_;
                   1367:     }
                   1368:   }
                   1369:
                   1370:   $_;
                   1371: }
                   1372:
                   1373: sub spacedHtmlText($;$)
                   1374: {
                   1375:   local $_ = $_[0];
                   1376:   my $ts = $_[1] || $tabstop;
                   1377:
                   1378:   # Cut trailing spaces and tabs
                   1379:   s/[ \t]+$//;
                   1380:
                   1381:   if (defined($ts)) {
                   1382:
                   1383:     # Expand tabs
                   1384:     1 while s/\t+/' ' x (length($&) * $ts - length($`) % $ts)/e;
                   1385:   }
                   1386:
                   1387:   # replace <tab> and <space> (\001 is to protect us from htmlify)
                   1388:   # gzip can make excellent use of this repeating pattern :-)
                   1389:   if ($hr_breakable) {
                   1390:
                   1391:     # make every other space 'breakable'
                   1392:     s/  / \001nbsp;/g;    # 2 * <space>
                   1393:                           # leave single space as it is
                   1394:   } else {
                   1395:     s/ /\001nbsp;/g;
                   1396:   }
                   1397:
                   1398:   $_ = htmlify($_, $allow_source_extra);
                   1399:
                   1400:   # unescape
                   1401:   y/\001/&/;
                   1402:
                   1403:   return $_;
                   1404: }
                   1405:
                   1406: # Note that this doesn't htmlquote the first argument...
                   1407: sub link($$)
                   1408: {
                   1409:   my ($name, $url) = @_;
                   1410:
                   1411:   $url =~ s/:/sprintf("%%%02x", ord($&))/eg
                   1412:     if $url =~ /^[^a-z]/;    # relative
                   1413:
                   1414:   sprintf '<a href="%s">%s</a>', hrefquote($url), $name;
                   1415: }
                   1416:
                   1417: sub revcmp($$)
                   1418: {
                   1419:   my ($rev1, $rev2) = @_;
                   1420:
                   1421:   # make no comparison for a tag or a branch
                   1422:   return 0 if $rev1 =~ /[^\d.]/ || $rev2 =~ /[^\d.]/;
                   1423:
                   1424:   my (@r1) = split (/\./, $rev1);
                   1425:   my (@r2) = split (/\./, $rev2);
                   1426:   my ($a, $b);
                   1427:
                   1428:   while (($a = shift (@r1)) && ($b = shift (@r2))) {
                   1429:     if ($a != $b) {
                   1430:       return $a <=> $b;
                   1431:     }
                   1432:   }
                   1433:   if (@r1) { return  1; }
                   1434:   if (@r2) { return -1; }
                   1435:   return 0;
                   1436: }
                   1437:
                   1438: sub fatal($$@)
                   1439: {
                   1440:   my ($errcode, $format, @args) = @_;
                   1441:   if ($is_mod_perl) {
                   1442:     Apache->request->status((split (/ /, $errcode))[0]);
                   1443:   } else {
                   1444:     print "Status: $errcode\r\n";
                   1445:   }
3.131     scop     1446:   html_header('Error');
3.120     scop     1447:   print "<p>Error: ", sprintf($format, map(htmlquote($_), @args)), "</p>\n";
                   1448:   html_footer();
                   1449:   exit(1);
                   1450: }
                   1451:
                   1452: sub redirect($)
                   1453: {
                   1454:   my ($url) = @_;
                   1455:   if ($is_mod_perl) {
                   1456:     Apache->request->status(301);
                   1457:     Apache->request->header_out(Location => $url);
                   1458:   } else {
                   1459:     print "Status: 301 Moved\r\n";
                   1460:     print "Location: $url\r\n";
                   1461:   }
3.131     scop     1462:   html_header('Moved');
3.120     scop     1463:   print "<p>This document is located ", &link('here', $url), "</p>\n";
                   1464:   html_footer();
                   1465:   exit(1);
                   1466: }
                   1467:
                   1468: sub safeglob($)
                   1469: {
                   1470:   my ($filename) = @_;
                   1471:   my ($dirname);
                   1472:   my (@results);
                   1473:   my $dh = do { local (*DH); };
                   1474:
                   1475:   ($dirname = $filename) =~ s|/[^/]+$||;
                   1476:   $filename =~ s|.*/||;
                   1477:
                   1478:   if (opendir($dh, $dirname)) {
                   1479:     my $glob = $filename;
                   1480:     my $t;
                   1481:
3.149     scop     1482:     #   transform filename from glob to regex.  Deal with:
                   1483:     #   [, {, ?, * as glob chars
                   1484:     #   make sure to escape all other regex chars
3.120     scop     1485:     $glob =~ s/([\.\(\)\|\+])/\\$1/g;
                   1486:     $glob =~ s/\*/.*/g;
                   1487:     $glob =~ s/\?/./g;
                   1488:     $glob =~ s/{([^}]+)}/($t = $1) =~ s-,-|-g; "($t)"/eg;
                   1489:     foreach (readdir($dh)) {
                   1490:
                   1491:       if (/^${glob}$/) {
                   1492:         push (@results, "$dirname/" . $_);
                   1493:       }
                   1494:     }
                   1495:     closedir($dh);
                   1496:   }
                   1497:
                   1498:   @results;
                   1499: }
                   1500:
                   1501: sub search_path($)
                   1502: {
                   1503:   my ($command) = @_;
                   1504:   my $d;
                   1505:
                   1506:   for $d (split (/:/, $command_path)) {
                   1507:     return "$d/$command" if -x "$d/$command";
                   1508:   }
                   1509:
                   1510:   return '';
                   1511: }
                   1512:
3.156     scop     1513:
                   1514: sub getMimeType($;$)
3.120     scop     1515: {
3.156     scop     1516:   my ($fullname, $binary) = @_;
                   1517:   $binary = ($keywordsubstitution && $keywordsubstitution =~ /b/)
                   1518:     unless defined($binary);
                   1519:
                   1520:   (my $suffix = $fullname) =~ s/^.*\.([^.]*)$/$1/;
                   1521:
                   1522:   my $mimetype = $MTYPES{$suffix};
                   1523:   $mimetype  ||= $MimeTypes->mimeTypeOf($fullname) if defined($MimeTypes);
                   1524:
                   1525:   if (!$mimetype && $suffix ne '*' && -f $mime_types && -r _) {
                   1526:     my $fh = do { local (*FH); };
                   1527:     if (open($fh, $mime_types)) {
                   1528:       my $re = sprintf('^\s*(\S+\/\S+)\s.+\b%s\b', quotemeta($suffix));
                   1529:       while (my $line = <$fh>) {
                   1530:         if ($line =~ $re) {
                   1531:           $mimetype = $1;
                   1532:           $MTYPES{$suffix} = $mimetype;
                   1533:           last;
                   1534:         }
3.120     scop     1535:       }
3.156     scop     1536:       close($fh);
                   1537:     } else {
                   1538:       warn("Can't open MIME types file $mime_types for reading: $!");
3.120     scop     1539:     }
                   1540:   }
                   1541:
3.156     scop     1542:   $mimetype ||= $MTYPES{'*'};
                   1543:   $mimetype ||= $binary ? 'application/octet-stream' : 'text/plain';
3.120     scop     1544:   return $mimetype;
3.1       knu      1545: }
                   1546:
3.156     scop     1547:
3.1       knu      1548: ###############################
3.24      knu      1549: # read first lines like head(1)
                   1550: ###############################
3.120     scop     1551: sub head($;$)
                   1552: {
                   1553:   my $fh        = $_[0];
                   1554:   my $linecount = $_[1] || 10;
3.24      knu      1555:
3.120     scop     1556:   my @buf;
                   1557:
                   1558:   if ($linecount > 0) {
                   1559:     my $i;
                   1560:     for ($i = 0; !eof($fh) && $i < $linecount; $i++) {
                   1561:       push @buf, scalar <$fh>;
                   1562:     }
                   1563:   } else {
                   1564:     @buf = <$fh>;
                   1565:   }
                   1566:
                   1567:   @buf;
3.24      knu      1568: }
                   1569:
                   1570: ###############################
                   1571: # scan vim and Emacs directives
                   1572: ###############################
3.120     scop     1573: sub scan_directives(@)
                   1574: {
                   1575:   my $ts = undef;
3.24      knu      1576:
3.120     scop     1577:   for (@_) {
                   1578:     $ts = $1 if /\b(?:ts|tabstop|tab-width)[:=]\s*([1-9]\d*)\b/;
                   1579:   }
3.24      knu      1580:
3.120     scop     1581:   ('tabstop' => $ts);
3.24      knu      1582: }
                   1583:
3.120     scop     1584: sub openOutputFilter()
                   1585: {
                   1586:   return if !defined($output_filter) || $output_filter eq '';
3.86      knu      1587:
3.120     scop     1588:   open(STDOUT, "|-") and return;
3.86      knu      1589:
3.120     scop     1590:   # child of child
                   1591:   open(STDERR, '>/dev/null');
                   1592:   exec($output_filter) or exit -1;
3.86      knu      1593: }
                   1594:
3.24      knu      1595: ###############################
3.1       knu      1596: # show Annotation
                   1597: ###############################
3.133     scop     1598: sub doAnnotate($)
3.120     scop     1599: {
                   1600:   my ($rev) = @_;
                   1601:   my ($pid);
                   1602:   my ($pathname, $filename);
                   1603:   my $reader = do { local (*FH); };
                   1604:   my $writer = do { local (*FH); };
                   1605:
                   1606:   # make sure the revisions are wellformed, for security
                   1607:   # reasons ..
                   1608:   if ($rev =~ /[^\w.]/) {
                   1609:     fatal("404 Not Found", 'Malformed query "%s"', $ENV{QUERY_STRING});
                   1610:   }
                   1611:
                   1612:   ($pathname = $where) =~ s/(Attic\/)?[^\/]*$//;
                   1613:   ($filename = $where) =~ s/^.*\///;
                   1614:
                   1615:   # this seems to be necessary
                   1616:   $| = 1;
                   1617:   $| = 0;    # Flush
                   1618:
3.126     scop     1619:   # Work around a mod_perl bug (?) in order to make open2() work.
                   1620:   # Search for "untie STDIN" in mod_perl mailing list archives for more info.
                   1621:   my $old_stdin;
                   1622:   if ($is_mod_perl && ($old_stdin = tied *STDIN)) {
                   1623:     local $^W = undef;
                   1624:     untie *STDIN;
                   1625:   }
                   1626:
3.120     scop     1627:   # this annotate version is based on the
                   1628:   # cvs annotate-demo Perl script by Cyclic Software
                   1629:   # It was written by Cyclic Software, http://www.cyclic.com/, and is in
                   1630:   # the public domain.
                   1631:   # we could abandon the use of rlog, rcsdiff and co using
                   1632:   # the cvsserver in a similiar way one day (..after rewrite)
3.128     scop     1633:   $pid = open2($reader, $writer, $CMD{cvs}, @annotate_options, 'server')
3.120     scop     1634:     or fatal("500 Internal Error",
                   1635:              'Fatal Error - unable to open cvs for annotation');
3.126     scop     1636:
                   1637:   # Re-tie STDIN if we fiddled around with it earlier, just to be sure.
                   1638:   tie(*STDIN, ref($old_stdin), $old_stdin) if ($old_stdin && !tied(*STDIN));
3.120     scop     1639:
                   1640:   # OK, first send the request to the server.  A simplified example is:
                   1641:   #     Root /home/kingdon/zwork/cvsroot
                   1642:   #     Argument foo/xx
                   1643:   #     Directory foo
                   1644:   #     /home/kingdon/zwork/cvsroot/foo
                   1645:   #     Directory .
                   1646:   #     /home/kingdon/zwork/cvsroot
                   1647:   #     annotate
                   1648:   # although as you can see there are a few more details.
                   1649:
                   1650:   print $writer "Root $cvsroot\n";
                   1651:   print $writer
                   1652:     "Valid-responses ok error Valid-requests Checked-in Updated Merged Removed M E\n";
                   1653:
                   1654:   # Don't worry about sending valid-requests, the server just needs to
                   1655:   # support "annotate" and if it doesn't, there isn't anything to be done.
                   1656:   print $writer "UseUnchanged\n";
                   1657:   print $writer "Argument -r\n";
                   1658:   print $writer "Argument $rev\n";
                   1659:   print $writer "Argument $where\n";
                   1660:
                   1661:   # The protocol requires us to fully fake a working directory (at
                   1662:   # least to the point of including the directories down to the one
                   1663:   # containing the file in question).
3.123     scop     1664:   # So if $where is "dir/sdir/file", then dirs will be ("dir","sdir","file")
                   1665:   my $path = '';
                   1666:   foreach my $dir (split('/', $where)) {
3.120     scop     1667:
                   1668:     if ($path eq "") {
3.123     scop     1669:       # In our example, $dir is "dir".
                   1670:       $path = $dir;
3.120     scop     1671:     } else {
                   1672:       print $writer "Directory $path\n";
                   1673:       print $writer "$cvsroot/$path\n";
                   1674:
                   1675:       # In our example, $_ is "sdir" and $path becomes "dir/sdir"
                   1676:       # And the next time, "file" and "dir/sdir/file" (which then gets
                   1677:       # ignored, because we don't need to send Directory for the file).
3.123     scop     1678:       $path .= "/$dir";
3.120     scop     1679:     }
                   1680:   }
3.123     scop     1681:   undef $path;
3.120     scop     1682:
                   1683:   # And the last "Directory" before "annotate" is the top level.
                   1684:   print $writer "Directory .\n";
                   1685:   print $writer "$cvsroot\n";
                   1686:
                   1687:   print $writer "annotate\n";
                   1688:
                   1689:   # OK, we've sent our command to the server.  Thing to do is to
                   1690:   # close the writer side and get all the responses.  If "cvs server"
                   1691:   # were nicer about buffering, then we could just leave it open, I think.
                   1692:   close($writer) or die "cannot close: $!";
                   1693:
3.133     scop     1694:   navigateHeader($scriptwhere, $pathname, $filename, $rev, 'annotate');
3.120     scop     1695:
3.136     scop     1696:   print '<h3 style="text-align: center">Annotation of ',
                   1697:     htmlquote("$pathname$filename"), ", revision $rev</h3>\n";
3.120     scop     1698:
                   1699:   # Ready to get the responses from the server.
                   1700:   # For example:
                   1701:   #     E Annotations for foo/xx
                   1702:   #     E ***************
                   1703:   #     M 1.3          (kingdon  06-Sep-97): hello
                   1704:   #     ok
                   1705:   my ($lineNr) = 0;
                   1706:   my ($oldLrev, $oldLusr) = ("", "");
                   1707:   my ($revprint, $usrprint);
                   1708:
                   1709:   if ($annTable) {
                   1710:     print
                   1711:       "<table style=\"border: none\" cellspacing=\"0\" cellpadding=\"0\">\n";
                   1712:   } else {
                   1713:     print "<pre>";
                   1714:   }
                   1715:
                   1716:   # prefetch several lines
                   1717:   my @buf = head($reader);
                   1718:
                   1719:   my %d = scan_directives(@buf);
                   1720:
                   1721:   while (@buf || !eof($reader)) {
                   1722:     $_ = @buf ? shift @buf : <$reader>;
                   1723:
                   1724:     my @words = split;
                   1725:
                   1726:     # Adding one is for the (single) space which follows $words[0].
                   1727:     my $rest = substr($_, length($words[0]) + 1);
                   1728:     if ($words[0] eq "E") {
                   1729:       next;
                   1730:     } elsif ($words[0] eq "M") {
                   1731:       $lineNr++;
                   1732:       (my $lrev = substr($_, 2,  13)) =~ y/ //d;
                   1733:       (my $lusr = substr($_, 16, 9))  =~ y/ //d;
                   1734:       my $line = substr($_, 36);
                   1735:       my $isCurrentRev = ($rev eq $lrev);
                   1736:
                   1737:       # we should parse the date here ..
                   1738:       if ($lrev eq $oldLrev) {
                   1739:         $revprint = sprintf('%-8s', '');
                   1740:       } else {
                   1741:         $revprint = sprintf('%-8s', $lrev);
                   1742:         $revprint =~ s`\S+`&link($&, "$scriptwhere$query#rev$&")`e;    # `
                   1743:         $oldLusr = '';
                   1744:       }
                   1745:
                   1746:       if ($lusr eq $oldLusr) {
                   1747:         $usrprint = '';
                   1748:       } else {
                   1749:         $usrprint = $lusr;
                   1750:       }
                   1751:       $oldLrev = $lrev;
                   1752:       $oldLusr = $lusr;
                   1753:
                   1754:       # Set bold for text-based browsers only - graphical
                   1755:       # browsers show bold fonts a bit wider than regular fonts,
                   1756:       # so it looks irregular.
                   1757:       print "<b>" if ($isCurrentRev && $is_textbased);
                   1758:
3.136     scop     1759:       $usrprint = sprintf('%-8s', $usrprint);
                   1760:       printf '%s%s %s %4d:', $revprint, $isCurrentRev ? '!' : ' ',
                   1761:         htmlquote($usrprint), $lineNr;
3.120     scop     1762:       print spacedHtmlText($line, $d{'tabstop'});
                   1763:
                   1764:       print "</b>" if ($isCurrentRev && $is_textbased);
                   1765:     } elsif ($words[0] eq "ok") {
                   1766:
                   1767:       # We could complain about any text received after this, like the
                   1768:       # CVS command line client.  But for simplicity, we don't.
                   1769:     } elsif ($words[0] eq "error") {
                   1770:       fatal("500 Internal Error",
                   1771:             'Error occured during annotate: <b>%s</b>', $_);
                   1772:     }
                   1773:   }
                   1774:
                   1775:   if ($annTable) {
                   1776:     print "</table>";
                   1777:   } else {
                   1778:     print "</pre>";
                   1779:   }
3.124     scop     1780:   html_footer();
                   1781:
3.120     scop     1782:   close($reader) or warn "cannot close: $!";
                   1783:   wait;
3.1       knu      1784: }
                   1785:
                   1786: ###############################
                   1787: # make Checkout
                   1788: ###############################
3.120     scop     1789: sub doCheckout($$)
                   1790: {
                   1791:   my ($fullname, $rev) = @_;
3.156     scop     1792:   my ($revopt);
3.120     scop     1793:   my $fh = do { local (*FH); };
                   1794:
                   1795:   if ($rev eq 'HEAD' || $rev eq '.') {
                   1796:     $rev = undef;
                   1797:   }
                   1798:
                   1799:   # make sure the revisions a wellformed, for security
                   1800:   # reasons ..
                   1801:   if (defined($rev) && $rev =~ /[^\w.]/) {
                   1802:     fatal("404 Not Found", 'Malformed query "%s"', $ENV{QUERY_STRING});
                   1803:   }
                   1804:
                   1805:   # get mimetype
3.156     scop     1806:   my $mimetype;
3.120     scop     1807:   if (defined($input{"content-type"})
                   1808:     && ($input{"content-type"} =~ /\S\/\S/))
                   1809:   {
                   1810:     $mimetype = $input{"content-type"};
                   1811:   } else {
3.156     scop     1812:     $mimetype = getMimeType($fullname);
3.120     scop     1813:   }
                   1814:
                   1815:   if (defined($rev)) {
                   1816:     $revopt = "-r$rev";
                   1817:     if ($use_moddate) {
                   1818:       readLog($fullname, $rev);
                   1819:       $moddate = $date{$rev};
                   1820:     }
                   1821:   } else {
                   1822:     $revopt = "-rHEAD";
                   1823:
                   1824:     if ($use_moddate) {
                   1825:       readLog($fullname);
                   1826:       $moddate = $date{$symrev{HEAD}};
                   1827:     }
                   1828:   }
                   1829:
                   1830:   ### just for the record:
                   1831:   ### 'cvs co' seems to have a bug regarding single checkout of
                   1832:   ### directories/files having spaces in it;
                   1833:   ### this is an issue that should be resolved on cvs's side
                   1834:   #
                   1835:   # Safely for a child process to read from.
                   1836:   if (!open($fh, "-|")) {    # child
                   1837:     # chdir to $tmpdir before to avoid non-readable cgi-bin directories
                   1838:     chdir($tmpdir);
                   1839:     open(STDERR, ">&STDOUT");    # Redirect stderr to stdout
                   1840:
                   1841:     # work around a bug of cvs -p; expand symlinks
                   1842:     exec($CMD{cvs}, @cvs_options, '-d', abs_path($cvsroot), 'co', '-p',
                   1843:          $revopt, $where)
                   1844:       or exit -1;
                   1845:   }
                   1846:
                   1847:   if (eof($fh)) {
                   1848:     fatal("404 Not Found", '%s is not (any longer) pertinent', $where);
                   1849:   }
                   1850:
                   1851:   #===================================================================
                   1852:   #Checking out squid/src/ftp.c
                   1853:   #RCS:  /usr/src/CVS/squid/src/ftp.c,v
                   1854:   #VERS: 1.1.1.28.6.2
                   1855:   #***************
                   1856:
                   1857:   # Parse CVS header
                   1858:   my ($revision, $filename, $cvsheader);
                   1859:   $filename = "";
                   1860:   while (<$fh>) {
                   1861:     last if (/^\*\*\*\*/);
                   1862:     $revision = $1 if (/^VERS: (.*)$/);
                   1863:
                   1864:     if (/^Checking out (.*)$/) {
                   1865:       $filename = $1;
                   1866:       $filename =~ s/^\.\/*//;
                   1867:     }
                   1868:     $cvsheader .= $_;
                   1869:   }
                   1870:
                   1871:   if ($filename ne $where) {
                   1872:     fatal("500 Internal Error",
                   1873:           'Unexpected output from cvs co: %s', $cvsheader);
                   1874:   }
                   1875:   $| = 1;
                   1876:
3.146     scop     1877:   if ($mimetype =~ $CvsWebMarkupRE) {
3.120     scop     1878:     &cvswebMarkup($fh, $fullname, $revision);
                   1879:   } else {
                   1880:     http_header($mimetype);
                   1881:     print <$fh>;
                   1882:   }
                   1883:   close($fh);
1.12      fenner   1884: }
                   1885:
3.120     scop     1886: sub cvswebMarkup($$$)
                   1887: {
                   1888:   my ($filehandle, $fullname, $revision) = @_;
                   1889:   my ($pathname,   $filename);
3.1       knu      1890:
3.120     scop     1891:   ($pathname = $where) =~ s/(Attic\/)?[^\/]*$//;
                   1892:   ($filename = $where) =~ s/^.*\///;
3.156     scop     1893:   my $fileurl = urlencode($filename);
                   1894:   my $mimetype = getMimeType($filename);
3.120     scop     1895:
3.133     scop     1896:   navigateHeader($scriptwhere, $pathname, $filename, $revision, 'view');
3.120     scop     1897:
3.144     scop     1898:   print <<EOF;
                   1899: <hr noshade>
                   1900: <table width="100%">
                   1901: <tr>
                   1902: <td class="log-markup">File:&nbsp;
                   1903: EOF
                   1904:   print &clickablePath($where, 1), '&nbsp;(';
                   1905:   &download_link($fileurl, $revision, 'download');
                   1906:   print ')';
                   1907:   print ' - ', &graph_link('', $revision, 'graph') if $allow_cvsgraph;
3.120     scop     1908:
3.156     scop     1909:   if ($mimetype ne 'text/plain') {
3.120     scop     1910:     print "&nbsp;(";
                   1911:     &download_link($fileurl, $revision, "as text", "text/plain");
                   1912:     print ")";
                   1913:   }
                   1914:   print "<br>\n";
                   1915:
                   1916:   if ($show_log_in_markup) {
                   1917:     readLog($fullname);    #,$revision);
                   1918:     printLog($revision, 0);
                   1919:   } else {
                   1920:     print "Version: <b>$revision</b><br>\n";
                   1921:     print "Tag: <b>", $input{only_with_tag}, "</b><br>\n"
                   1922:       if $input{only_with_tag};
                   1923:   }
                   1924:   print "</td>\n</tr>\n</table>";
                   1925:   my $url = download_url($fileurl, $revision, $mimetype);
                   1926:   print "<hr noshade>";
                   1927:
                   1928:   if ($mimetype =~ /^image/) {
                   1929:     printf '<img src="%s" alt=""><br>', hrefquote("$url$barequery");
                   1930:   } elsif ($mimetype =~ m%^application/pdf%) {
3.157   ! scop     1931:     printf '<embed src="%s" width="100%%" height="100%%"><br>',
        !          1932:       hrefquote("$url$barequery");
3.120     scop     1933:   } elsif ($preformat_in_markup) {
                   1934:     print "<pre>";
                   1935:
                   1936:     # prefetch several lines
                   1937:     my @buf = head($filehandle);
                   1938:
                   1939:     my %d = scan_directives(@buf);
                   1940:
                   1941:     while (@buf || !eof($filehandle)) {
                   1942:       $_ = @buf ? shift @buf : <$filehandle>;
                   1943:
                   1944:       print spacedHtmlText($_, $d{'tabstop'});
                   1945:     }
                   1946:     print "</pre>";
                   1947:   } else {
                   1948:
3.148     scop     1949:     my $enscript_hl = undef;
                   1950:
                   1951:     if ($allow_enscript) {
                   1952:       while (my ($hl, $regex) = each %enscript_types) {
3.149     scop     1953:         if ($filename =~ $regex) {
                   1954:           $enscript_hl = $hl;
                   1955:           last;
                   1956:         }
3.148     scop     1957:       }
                   1958:     }
                   1959:
3.149     scop     1960:     print '<pre>';
                   1961:     my $lineNumber = 0;
                   1962:     my $doLineNumbers = $input{ln} || 0;
                   1963:
3.148     scop     1964:     if ($enscript_hl) {
                   1965:
                   1966:       my $reader = do { local (*FH); };
                   1967:       my $writer = do { local (*FH); };
                   1968:
                   1969:       open2($reader, $writer, $CMD{enscript}, @enscript_options,
3.149     scop     1970:             qw(-q --language=cvsweb -o -),
                   1971:             "--highlight=$enscript_hl",
                   1972:             '-')
                   1973:         or fatal('500 Internal Error',
                   1974:                  'Fatal Error - unable to open Enscript for colorization');
3.148     scop     1975:
                   1976:       while (<$filehandle>) {
3.149     scop     1977:         print $writer $_;
3.148     scop     1978:       }
                   1979:       close($writer);
                   1980:       while (<$reader>) {
3.149     scop     1981:         if ($doLineNumbers) {
                   1982:           $lineNumber++;
                   1983:           printf '<a id="l%d" class="src">%5d: </a>', ($lineNumber) x 2;
                   1984:         }
3.148     scop     1985:         print $_;
                   1986:       }
                   1987:       close($reader);
                   1988:
                   1989:     } else {
                   1990:       while (<$filehandle>) {
3.149     scop     1991:         if ($doLineNumbers) {
                   1992:           $lineNumber++;
                   1993:           printf '<a id="l%d" class="src">%5d: </a>', ($lineNumber) x 2;
                   1994:         }
                   1995:         print htmlquote($_);
3.148     scop     1996:       }
3.120     scop     1997:     }
3.149     scop     1998:
                   1999:     print "</pre>\n";
3.120     scop     2000:   }
3.131     scop     2001:   html_footer();
3.120     scop     2002: }
                   2003:
3.156     scop     2004:
3.120     scop     2005: sub viewable($)
                   2006: {
3.156     scop     2007:   my $mimetype = shift || '';
                   2008:   return ($allow_markup && $mimetype =~ m%^((text|image)/|application/pdf)%);
                   2009: }
3.120     scop     2010:
3.1       knu      2011:
                   2012: ###############################
                   2013: # Show Colored Diff
                   2014: ###############################
3.120     scop     2015: sub doDiff($$$$$$)
                   2016: {
                   2017:   my ($fullname, $r1, $tr1, $r2, $tr2, $f) = @_;
                   2018:   my $fh = do { local (*FH); };
                   2019:   my ($rev1, $rev2, $sym1, $sym2, $f1, $f2);
                   2020:
                   2021:   if (&forbidden_file($fullname)) {
                   2022:     fatal("403 Forbidden",
                   2023:           'Access forbidden.  This file is mentioned in @ForbiddenFiles');
                   2024:   }
                   2025:
                   2026:   if ($r1 =~ /([^:]+)(:(.+))?/) {
                   2027:     $rev1 = $1;
                   2028:     $sym1 = $3;
                   2029:   }
                   2030:   if ($r1 eq 'text') {
                   2031:     $rev1 = $tr1;
                   2032:     $sym1 = "";
                   2033:   }
                   2034:
                   2035:   if ($r2 =~ /([^:]+)(:(.+))?/) {
                   2036:     $rev2 = $1;
                   2037:     $sym2 = $3;
                   2038:   }
                   2039:   if ($r2 eq 'text') {
                   2040:     $rev2 = $tr2;
                   2041:     $sym2 = "";
                   2042:   }
                   2043:
                   2044:   # make sure the revisions a wellformed, for security
                   2045:   # reasons ..
                   2046:   if ($rev1 =~ /[^\w.]/ || $rev2 =~ /[^\w.]/) {
                   2047:     fatal("404 Not Found", 'Malformed query "%s"', $ENV{QUERY_STRING});
                   2048:   }
                   2049:
                   2050:   #
                   2051:   # rev1 and rev2 are now both numeric revisions.
                   2052:   # Thus we do a DWIM here and swap them if rev1 is after rev2.
                   2053:   # XXX should we warn about the fact that we do this?
                   2054:   if (&revcmp($rev1, $rev2) > 0) {
                   2055:     my ($tmp1, $tmp2) = ($rev1, $sym1);
                   2056:     ($rev1, $sym1) = ($rev2, $sym2);
                   2057:     ($rev2, $sym2) = ($tmp1, $tmp2);
                   2058:   }
                   2059:   my $difftype = $DIFFTYPES{$f};
                   2060:
                   2061:   if (!$difftype) {
                   2062:     fatal("400 Bad arguments", 'Diff format %s not understood', $f);
                   2063:   }
                   2064:
                   2065:   my @difftype       = @{$difftype->{'opts'}};
                   2066:   my $human_readable = $difftype->{'colored'};
                   2067:
                   2068:   # apply special options
                   2069:   if ($showfunc) {
                   2070:     push @difftype, '-p' if $f ne 's';
                   2071:
                   2072:     my ($re1, $re2);
                   2073:
                   2074:     while (($re1, $re2) = each %funcline_regexp) {
                   2075:       if ($fullname =~ /$re1/) {
                   2076:         push @difftype, '-F', $re2;
                   2077:         last;
                   2078:       }
                   2079:     }
                   2080:   }
                   2081:
                   2082:   if ($human_readable) {
                   2083:     if ($hr_ignwhite) {
                   2084:       push @difftype, '-w';
                   2085:     }
                   2086:     if ($hr_ignkeysubst) {
                   2087:       push @difftype, '-kk';
                   2088:     }
                   2089:   }
                   2090:
                   2091:   if (!open($fh, "-|")) {    # child
                   2092:     open(STDERR, ">&STDOUT");    # Redirect stderr to stdout
                   2093:     openOutputFilter();
                   2094:     exec($CMD{rcsdiff}, @difftype, "-r$rev1", "-r$rev2", $fullname) or exit -1;
                   2095:   }
                   2096:   if ($human_readable) {
                   2097:     &human_readable_diff($fh, $rev2);
                   2098:     html_footer();
                   2099:     gzipclose();
                   2100:     exit;
                   2101:   } else {
                   2102:     http_header("text/plain");
                   2103:   }
                   2104:
                   2105:   #
                   2106:   #===================================================================
                   2107:   #RCS file: /home/ncvs/src/sys/netinet/tcp_output.c,v
                   2108:   #retrieving revision 1.16
                   2109:   #retrieving revision 1.17
                   2110:   #diff -c -r1.16 -r1.17
                   2111:   #*** /home/ncvs/src/sys/netinet/tcp_output.c     1995/11/03 22:08:08     1.16
                   2112:   #--- /home/ncvs/src/sys/netinet/tcp_output.c     1995/12/05 17:46:35     1.17
                   2113:   #
                   2114:   # Ideas:
                   2115:   # - nuke the stderr output if it's what we expect it to be
                   2116:   # - Add "no differences found" if the diff command supplied no output.
                   2117:   #
                   2118:   #*** src/sys/netinet/tcp_output.c     1995/11/03 22:08:08     1.16
                   2119:   #--- src/sys/netinet/tcp_output.c     1995/12/05 17:46:35     1.17 RELENG_2_1_0
                   2120:   # (bogus example, but...)
                   2121:   #
                   2122:   if (grep { $_ eq '-u' } @difftype) {
                   2123:     $f1 = '---';
                   2124:     $f2 = '\+\+\+';
                   2125:   } else {
                   2126:     $f1 = '\*\*\*';
                   2127:     $f2 = '---';
                   2128:   }
                   2129:
                   2130:   while (<$fh>) {
                   2131:     if (m|^$f1 $cvsroot|o) {
                   2132:       s|$cvsroot/||o;
                   2133:       if ($sym1) {
                   2134:         chop;
                   2135:         $_ .= " $sym1\n";
                   2136:       }
                   2137:     } elsif (m|^$f2 $cvsroot|o) {
                   2138:       s|$cvsroot/||o;
                   2139:
                   2140:       if ($sym2) {
                   2141:         chop;
                   2142:         $_ .= " $sym2\n";
                   2143:       }
                   2144:     }
                   2145:     print $_;
                   2146:   }
                   2147:   close($fh);
1.12      fenner   2148: }
                   2149:
3.1       knu      2150: ###############################
                   2151: # Show Logs ..
                   2152: ###############################
3.120     scop     2153: sub getDirLogs($$@)
                   2154: {
                   2155:   my ($cvsroot, $dirname, @otherFiles) = @_;
3.139     scop     2156:   my $tag = $input{only_with_tag};
                   2157:   my $DirName = "$cvsroot/$where";
3.120     scop     2158:
3.139     scop     2159:   my @files = &safeglob("$DirName/*,v");
                   2160:   push (@files, &safeglob("$DirName/Attic/*,v")) if (!$input{'hideattic'});
3.120     scop     2161:   foreach my $file (@otherFiles) {
                   2162:     push (@files, "$DirName/$file");
                   2163:   }
                   2164:
3.150     scop     2165:   # Weed out unreadable files.
                   2166:   my $i = 0;
                   2167:   my @unreadable = ();
                   2168:   while ($i < scalar(@files)) {
                   2169:     if (-r $files[$i]) {
                   2170:       $i++;
                   2171:     } else {
                   2172:       push(@unreadable, splice(@files, $i, 1));
                   2173:     }
                   2174:   }
                   2175:
3.139     scop     2176:   # If there are no files, we're done.
3.150     scop     2177:   return @unreadable unless @files;
3.120     scop     2178:
3.139     scop     2179:   my @cmd = ($CMD{rlog});
                   2180:   # Can't use -r<tag> as '-' is allowed in tagnames,
                   2181:   # but misinterpreted by rlog.
                   2182:   push(@cmd, '-r') unless defined($tag);
3.120     scop     2183:
3.139     scop     2184:   my $fh = do { local (*FH); };
                   2185:   if (!open($fh, '-|')) {            # Child
                   2186:     open(STDERR, '>/dev/null');      # Ignore rlog's complaints.
                   2187:     openOutputFilter();
                   2188:     if ($file_list_len && $file_list_len > 1) {
                   2189:       while (scalar(@files) > $file_list_len) {  # Process files in chunks.
                   2190:         system(@cmd, splice(@files, 0, $file_list_len)) == 0 or exit -1;
                   2191:       }
3.120     scop     2192:     }
3.139     scop     2193:     exec(@cmd, @files) or exit -1;
                   2194:   }
                   2195:   undef @cmd;
3.120     scop     2196:
3.139     scop     2197:   my $state = 'start';
                   2198:   my ($date, $branchpoint, $branch, $log, @filetags);
3.152     scop     2199:   my ($rev, $revision, $revwanted, $filename, $head, $author, $keywordsubst);
3.120     scop     2200:
                   2201:   while (<$fh>) {
                   2202:     if ($state eq "start") {
                   2203:
                   2204:       #Next file. Initialize file variables
                   2205:       $rev         = '';
                   2206:       $revwanted   = '';
                   2207:       $branch      = '';
                   2208:       $branchpoint = '';
                   2209:       $filename    = '';
                   2210:       $log         = '';
                   2211:       $revision    = '';
                   2212:       %symrev      = ();
                   2213:       @filetags    = ();
3.152     scop     2214:       $keywordsubst= '';
3.120     scop     2215:
                   2216:       #jump to head state
                   2217:       $state = "head";
                   2218:     }
3.144     scop     2219:
3.120     scop     2220:     again:
                   2221:
                   2222:     if ($state eq "head") {
                   2223:
                   2224:       #$rcsfile = $1 if (/^RCS file: (.+)$/); #not used (yet)
                   2225:
                   2226:       if (/^Working file: (.+)$/) {
                   2227:         $filename = $1;
                   2228:       } elsif (/^head: (.+)$/) {
                   2229:         $head = $1;
                   2230:       } elsif (/^branch: (.+)$/) {
                   2231:         $branch = $1;
3.152     scop     2232:       } elsif (/^keyword substitution: (.+)$/) {
                   2233:         $keywordsubst = $1;
3.120     scop     2234:       } elsif (/^symbolic names:/) {
                   2235:         $state = "tags";
                   2236:         ($branch = $head) =~ s/\.\d+$//
                   2237:           if $branch eq '';
                   2238:         $branch =~ s/(\d+)$/0.$1/;
                   2239:         $symrev{MAIN}  = $branch;
                   2240:         $symrev{HEAD}  = $branch;
                   2241:         $alltags{MAIN} = 1;
                   2242:         $alltags{HEAD} = 1;
                   2243:         push (@filetags, "MAIN", "HEAD");
                   2244:       } elsif (/$LOG_REVSEPARATOR/o) {
                   2245:         $state = "log";
                   2246:         $rev   = '';
                   2247:         $date  = '';
                   2248:         $log   = '';
                   2249:
                   2250:         # Try to reconstruct the relative filename if RCS spits out a full path
                   2251:         $filename =~ s%^\Q$DirName\E/%%;
                   2252:       }
                   2253:       next;
                   2254:     }
                   2255:
                   2256:     if ($state eq "tags") {
                   2257:       if (/^\s+([^:]+):\s+([\d\.]+)\s*$/) {
                   2258:         push (@filetags, $1);
                   2259:         $symrev{$1}  = $2;
                   2260:         $alltags{$1} = 1;
                   2261:         next;
                   2262:       } elsif (/^\S/) {
                   2263:
                   2264:         if (defined($tag)) {
                   2265:           if (defined($symrev{$tag}) || $tag eq "HEAD") {
                   2266:             $revwanted    = $symrev{$tag eq "HEAD" ? "MAIN" : $tag};
                   2267:             ($branch      = $revwanted) =~ s/\b0\.//;
                   2268:             ($branchpoint = $branch)    =~ s/\.?\d+$//;
                   2269:             $revwanted    = '' if ($revwanted ne $branch);
                   2270:           } elsif ($tag ne "HEAD") {
                   2271:             $state = "skip";
                   2272:             next;
                   2273:           }
                   2274:         }
                   2275:
                   2276:         foreach my $tagfound (@filetags) {
                   2277:           $tags{$tagfound} = 1;
                   2278:         }
                   2279:         $state = "head";
                   2280:         goto again;
                   2281:       }
                   2282:     }
                   2283:
                   2284:     if ($state eq "log") {
                   2285:       if (/$LOG_REVSEPARATOR/o || /$LOG_FILESEPARATOR/o) {
                   2286:
                   2287:         # End of a log entry.
                   2288:         my $revbranch = $rev;
                   2289:         $revbranch =~ s/\.\d+$//;
                   2290:
                   2291:         if ($revwanted eq '' && $branch ne '' && $branch eq $revbranch
                   2292:             || !defined($tag))
                   2293:         {
                   2294:           $revwanted = $rev;
                   2295:         }
                   2296:
                   2297:         if ($revwanted ne ''
                   2298:             ? $rev eq $revwanted
                   2299:             : $branchpoint ne ''
                   2300:               ? $rev eq $branchpoint
                   2301:               : 0
                   2302:             && ($rev eq $head))
                   2303:         {    # Don't think head is needed here..
3.152     scop     2304:           my @finfo = ($rev, $date, $log, $author, $filename, $keywordsubst);
                   2305:           (my $name = $filename) =~ s%/.*%%;
3.120     scop     2306:           $fileinfo{$name} = [@finfo];
                   2307:           $state = "done" if ($rev eq $revwanted);
                   2308:         }
                   2309:         $rev  = '';
                   2310:         $date = '';
                   2311:         $log  = '';
                   2312:       } elsif ($date eq ''
                   2313:                && m|^date:\s+(\d+)/(\d+)/(\d+)\s+(\d+):(\d+):(\d+);|)
                   2314:       {
                   2315:         my $yr = $1;
                   2316:
                   2317:         # damn 2-digit year routines :-)
                   2318:         if ($yr > 100) {
                   2319:           $yr -= 1900;
                   2320:         }
                   2321:         $date = &Time::Local::timegm($6, $5, $4, $3, $2 - 1, $yr);
                   2322:         ($author) = /author: ([^;]+)/;
                   2323:         $state = "log";
                   2324:         $log   = '';
                   2325:         next;
                   2326:       } elsif ($rev eq '' && /^revision (\d+(?:\.\d+)+).*$/) {
                   2327:         $rev = $1;    # .*$ eats up the locker(lockers?) info, if any
                   2328:         next;
                   2329:       } else {
                   2330:         $log .= $_;
                   2331:       }
                   2332:     }
                   2333:
                   2334:     if (/$LOG_FILESEPARATOR/o) {
                   2335:       $state = "start";
                   2336:       next;
                   2337:     }
                   2338:   }
                   2339:
3.139     scop     2340:   my $linesread = $. || 0;
                   2341:   close($fh);
                   2342:
                   2343:   if ($linesread == 0) {
3.137     scop     2344:     fatal('500 Internal Error',
                   2345:           'Failed to spawn GNU rlog on <em>"%s"</em>.<br><br>Did you set the <b><code>$command_path</code></b> in your configuration file correctly? (Currently: "<code>%s</code>")',
3.150     scop     2346:           htmlquote(join(', ', @files)), $command_path);
3.120     scop     2347:   }
3.150     scop     2348:
                   2349:   return @unreadable;
3.120     scop     2350: }
                   2351:
                   2352: sub readLog($;$)
                   2353: {
                   2354:   my ($fullname, $revision) = @_;
                   2355:   my ($symnames, $head, $rev, $br, $brp, $branch, $branchrev);
                   2356:   my $fh = do { local (*FH); };
                   2357:
3.144     scop     2358:   $revision = defined($revision) ? "-r$revision" : '';
3.120     scop     2359:
                   2360:   undef %symrev;
                   2361:   undef %revsym;
                   2362:   undef @allrevisions;
                   2363:   undef %date;
                   2364:   undef %author;
                   2365:   undef %state;
                   2366:   undef %difflines;
                   2367:   undef %log;
3.152     scop     2368:   $keywordsubstitution = '';
3.120     scop     2369:
                   2370:   if (!open($fh, "-|")) {    # child
                   2371:     if ($revision ne '') {
                   2372:       openOutputFilter();
                   2373:       exec($CMD{rlog}, $revision, $fullname) or exit -1;
                   2374:     } else {
                   2375:       openOutputFilter();
                   2376:       exec($CMD{rlog}, $fullname) or exit -1;
                   2377:     }
                   2378:   }
                   2379:
                   2380:   while (<$fh>) {
                   2381:     if ($symnames) {
                   2382:       if (/^\s+([^:]+):\s+([\d\.]+)/) {
                   2383:         $symrev{$1} = $2;
3.152     scop     2384:         next;
3.120     scop     2385:       } else {
                   2386:         $symnames = 0;
                   2387:       }
3.152     scop     2388:     }
                   2389:     if (/^head:\s+([\d\.]+)/) {
3.120     scop     2390:       $head = $1;
                   2391:     } elsif (/^branch:\s+([\d\.]+)/) {
                   2392:       $curbranch = $1;
                   2393:     } elsif (/^symbolic names/) {
                   2394:       $symnames = 1;
3.152     scop     2395:     } elsif (/^keyword substitution: (.+)$/) {
                   2396:       $keywordsubstitution = $1;
3.120     scop     2397:     } elsif (/^-----/) {
                   2398:       last;
                   2399:     }
                   2400:   }
                   2401:   ($curbranch = $head) =~ s/\.\d+$// if (!defined($curbranch));
                   2402:
                   2403:   # each log entry is of the form:
                   2404:   # ----------------------------
                   2405:   # revision 3.7.1.1
                   2406:   # date: 1995/11/29 22:15:52;  author: fenner;  state: Exp;  lines: +5 -3
                   2407:   # log info
                   2408:   # ----------------------------
                   2409:
                   2410:   # For a locked revision, the first line after the separator
                   2411:   # becomes smth like
3.149     scop     2412:   # revision 9.19       locked by: vassilii;
3.120     scop     2413:
                   2414:   logentry:
                   2415:
                   2416:   while (!/$LOG_FILESEPARATOR/o) {
                   2417:     $_ = <$fh>;
                   2418:     last logentry if (!defined($_));    # EOF
                   2419:     if (/^revision (\d+(?:\.\d+)+)/) {
                   2420:       $rev = $1;
                   2421:       unshift (@allrevisions, $rev);
                   2422:     } elsif (/$LOG_FILESEPARATOR/o || /$LOG_REVSEPARATOR/o) {
                   2423:       next logentry;
                   2424:     } else {
                   2425:
                   2426:       # The rlog output is syntactically ambiguous.  We must
                   2427:       # have guessed wrong about where the end of the last log
                   2428:       # message was.
                   2429:       # Since this is likely to happen when people put rlog output
                   2430:       # in their commit messages, don't even bother keeping
                   2431:       # these lines since we don't know what revision they go with
                   2432:       # any more.
                   2433:       next logentry;
                   2434:     }
                   2435:     $_ = <$fh>;
                   2436:     if (
                   2437:       m|^date:\s+(\d+)/(\d+)/(\d+)\s+(\d+):(\d+):(\d+);\s+author:\s+(\S+);\s+state:\s+(\S+);\s+(lines:\s+([0-9\s+-]+))?|
                   2438:       )
                   2439:     {
                   2440:       my $yr = $1;
                   2441:
                   2442:       # damn 2-digit year routines :-)
                   2443:       if ($yr > 100) {
                   2444:         $yr -= 1900;
                   2445:       }
                   2446:       $date{$rev} = &Time::Local::timegm($6, $5, $4, $3, $2 - 1, $yr);
                   2447:       $author{$rev}    = $7;
                   2448:       $state{$rev}     = $8;
                   2449:       $difflines{$rev} = $10;
                   2450:     } else {
                   2451:       fatal("500 Internal Error", 'Error parsing RCS output: %s', $_);
                   2452:     }
                   2453:
                   2454:   line:
                   2455:     while (<$fh>) {
                   2456:       next line if (/^branches:\s/);
                   2457:       last line if (/$LOG_FILESEPARATOR/o || /$LOG_REVSEPARATOR/o);
                   2458:       $log{$rev} .= $_;
                   2459:     }
                   2460:   }
                   2461:   close($fh);
                   2462:
                   2463:   @revorder = reverse sort { revcmp($a, $b) } @allrevisions;
                   2464:
                   2465:   #
                   2466:   # HEAD is an artificial tag which is simply the highest tag number on the main
                   2467:   # branch, unless there is a branch tag in the RCS file in which case it's the
                   2468:   # highest revision on that branch.  Find it by looking through @revorder; it
                   2469:   # is the first commit listed on the appropriate branch.
                   2470:   # This is not neccesary the same revision as marked as head in the RCS file.
                   2471:   my $headrev = $curbranch || "1";
                   2472:   ($symrev{"MAIN"} = $headrev) =~ s/(\d+)$/0.$1/;
                   2473:
                   2474:   foreach $rev (@revorder) {
                   2475:     if ($rev =~ /^(\S*)\.\d+$/ && $headrev eq $1) {
                   2476:       $symrev{"HEAD"} = $rev;
                   2477:       last;
                   2478:     }
                   2479:   }
                   2480:   ($symrev{"HEAD"} = $headrev) =~ s/\.\d+$//
                   2481:     if (!defined($symrev{"HEAD"}));
                   2482:
                   2483:   #
                   2484:   # Now that we know all of the revision numbers, we can associate
                   2485:   # absolute revision numbers with all of the symbolic names, and
                   2486:   # pass them to the form so that the same association doesn't have
                   2487:   # to be built then.
                   2488:   #
                   2489:   undef @branchnames;
                   2490:   undef %branchpoint;
                   2491:   undef $sel;
                   2492:
                   2493:   foreach (reverse sort keys %symrev) {
                   2494:     $rev = $symrev{$_};
                   2495:     if ($rev =~ /^((.*)\.)?\b0\.(\d+)$/) {
                   2496:       push (@branchnames, $_);
                   2497:
                   2498:       #
                   2499:       # A revision number of A.B.0.D really translates into
                   2500:       # "the highest current revision on branch A.B.D".
                   2501:       #
                   2502:       # If there is no branch A.B.D, then it translates into
                   2503:       # the head A.B .
                   2504:       #
                   2505:       # This reasoning also applies to the main branch A.B,
                   2506:       # with the branch number 0.A, with the exception that
                   2507:       # it has no head to translate to if there is nothing on
                   2508:       # the branch, but I guess this can never happen?
                   2509:       #
                   2510:       # (the code below gracefully forgets about the branch
                   2511:       # if it should happen)
                   2512:       #
                   2513:       $head = defined($2) ? $2 : "";
                   2514:       $branch = $3;
                   2515:       $branchrev = $head . ($head ne "" ? "." : "") . $branch;
                   2516:       my $regex;
                   2517:       $regex = quotemeta $branchrev;
                   2518:       $rev   = $head;
                   2519:
                   2520:       foreach my $r (@revorder) {
                   2521:         if ($r =~ /^${regex}\b/) {
                   2522:           $rev = $branchrev;
                   2523:           last;
                   2524:         }
                   2525:       }
                   2526:       next if ($rev eq "");
                   2527:
                   2528:       if ($rev ne $head && $head ne "") {
3.131     scop     2529:         $branchpoint{$head} .= ', ' if ($branchpoint{$head});
3.120     scop     2530:         $branchpoint{$head} .= $_;
                   2531:       }
                   2532:     }
                   2533:     $revsym{$rev} .= ", " if ($revsym{$rev});
                   2534:     $revsym{$rev} .= $_;
3.136     scop     2535:     $sel .= sprintf("<option value=\"%s:%s\">%s</option>\n",
                   2536:                     htmlquote($rev), (htmlquote($_)) x 2);
3.120     scop     2537:   }
                   2538:
                   2539:   my ($onlyonbranch, $onlybranchpoint);
                   2540:   if ($onlyonbranch = $input{'only_with_tag'}) {
                   2541:     $onlyonbranch = $symrev{$onlyonbranch};
                   2542:     if ($onlyonbranch =~ s/\b0\.//) {
                   2543:       ($onlybranchpoint = $onlyonbranch) =~ s/\.\d+$//;
                   2544:     } else {
                   2545:       $onlybranchpoint = $onlyonbranch;
                   2546:     }
                   2547:
                   2548:     if (!defined($onlyonbranch) || $onlybranchpoint eq "") {
                   2549:       fatal("404 Tag not found", 'Tag %s not defined',
3.131     scop     2550:             $input{'only_with_tag'});
3.120     scop     2551:     }
                   2552:   }
                   2553:
                   2554:   undef @revisions;
                   2555:
                   2556:   foreach (@allrevisions) {
                   2557:     ($br  = $_)  =~ s/\.\d+$//;
                   2558:     ($brp = $br) =~ s/\.\d+$//;
                   2559:     next if ($onlyonbranch
                   2560:              && $br ne $onlyonbranch
                   2561:              && $_  ne $onlybranchpoint);
                   2562:     unshift (@revisions, $_);
                   2563:   }
                   2564:
                   2565:   if ($logsort eq "date") {
                   2566:
                   2567:     # Sort the revisions in commit order an secondary sort on revision
                   2568:     # (secondary sort needed for imported sources, or the first main
                   2569:     # revision gets before the same revision on the 1.1.1 branch)
                   2570:     @revdisplayorder =
                   2571:       sort { $date{$b} <=> $date{$a} || -revcmp($a, $b) } @revisions;
                   2572:   } elsif ($logsort eq "rev") {
                   2573:
                   2574:     # Sort the revisions in revision order, highest first
                   2575:     @revdisplayorder = reverse sort { revcmp($a, $b) } @revisions;
                   2576:   } else {
                   2577:
                   2578:     # No sorting. Present in the same order as rlog / cvs log
                   2579:     @revdisplayorder = @revisions;
                   2580:   }
                   2581:
                   2582: }
                   2583:
                   2584: sub printDiffLinks($$)
                   2585: {
                   2586:   my ($text, $url) = @_;
                   2587:   my @extra;
                   2588:
                   2589:   local $_;
                   2590:   for ($DIFFTYPES{$defaultDiffType}{'colored'} ? qw(u) : qw(h)) {
                   2591:     my $f = $_ eq $defaultDiffType ? '' : $_;
                   2592:
                   2593:     push @extra, &link(lc $DIFFTYPES{$_}{'descr'}, "$url&f=$f");
                   2594:   }
                   2595:
                   2596:   print &link($text, $url), ' (', join (', ', @extra), ')';
                   2597: }
                   2598:
                   2599: sub printLog($;$)
                   2600: {
                   2601:   my ($link, $br, $brp);
                   2602:   ($_, $link) = @_;
                   2603:   ($br  = $_)  =~ s/\.\d+$//;
                   2604:   ($brp = $br) =~ s/\.?\d+$//;
3.131     scop     2605:   my $prev;
3.120     scop     2606:
                   2607:   $link = 1 if (!defined($link));
3.131     scop     2608:   my $isDead = ($state{$_} eq 'dead');
                   2609:   my $isSelected = (defined($input{'r1'}) && $input{'r1'} eq $_);
3.120     scop     2610:
3.131     scop     2611:   print "<div class=\"diff-selected\">\n" if $isSelected;
3.120     scop     2612:   print "<p>\n";
3.131     scop     2613:
3.120     scop     2614:   if ($link && !$isDead) {
3.156     scop     2615:     (my $filename = $where) =~ s/^.*\///;
                   2616:     my $fileurl   = urlencode($filename);
                   2617:     my $mimetype  = getMimeType($filename);
                   2618:     my $viewable  = viewable($mimetype);
                   2619:
3.120     scop     2620:     print "<a name=\"rev$_\"></a>";
                   2621:
                   2622:     if (defined($revsym{$_})) {
                   2623:       foreach my $sym (split (", ", $revsym{$_})) {
3.136     scop     2624:         print '<a name="', hrefquote($sym), '"></a>';
3.120     scop     2625:       }
                   2626:     }
                   2627:
                   2628:     if (defined($revsym{$br})
                   2629:         && $revsym{$br}
                   2630:         && !defined($nameprinted{$br}))
                   2631:     {
                   2632:       foreach my $sym (split (", ", $revsym{$br})) {
3.136     scop     2633:         print '<a name="', hrefquote($sym), '"></a>';
3.120     scop     2634:       }
                   2635:       $nameprinted{$br} = 1;
                   2636:     }
                   2637:     print "\n Revision ";
                   2638:     &download_link($fileurl, $_, $_,
3.156     scop     2639:                    $viewable ? 'text/x-cvsweb-markup' : undef);
3.120     scop     2640:
3.156     scop     2641:     if ($viewable) {
3.120     scop     2642:       print " / (";
                   2643:       &download_link($fileurl, $_, "download", $mimetype);
                   2644:       print ")";
                   2645:     }
                   2646:
3.156     scop     2647:     if ($mimetype ne 'text/plain') {
3.120     scop     2648:       print " / (";
                   2649:       &download_link($fileurl, $_, "as text", "text/plain");
                   2650:       print ")";
                   2651:     }
                   2652:
3.156     scop     2653:     if (!$viewable) {
3.120     scop     2654:       print " / (";
                   2655:       &download_link($fileurl, $_, "view", "text/x-cvsweb-markup");
                   2656:       print ")";
                   2657:     }
                   2658:
                   2659:     if ($allow_annotate) {
                   2660:       print " - ";
                   2661:       print &link('annotate',
                   2662:                   sprintf('%s/%s?annotate=%s%s',
                   2663:                           $scriptname, urlencode($where), $_, $barequery));
                   2664:     }
                   2665:
                   2666:     # Plus a select link if enabled, and this version isn't selected
                   2667:     if ($allow_version_select) {
3.131     scop     2668:       print ' - ';
                   2669:       if ($isSelected) {
                   2670:         print '<b>[selected]</b>';
3.120     scop     2671:       } else {
3.131     scop     2672:         print &link('[select&nbsp;for&nbsp;diffs]',
                   2673:                     sprintf('%s?r1=%s%s#rev%s',
                   2674:                             $scriptwhere, $_, $barequery, $_));
3.120     scop     2675:       }
                   2676:     }
                   2677:   } else {
                   2678:     print "Revision <b>$_</b>";
                   2679:   }
                   2680:
                   2681:   if (/^1\.1\.1\.\d+$/) {
                   2682:     print " <i>(vendor branch)</i>";
                   2683:   }
                   2684:   if (defined @mytz) {
                   2685:     my ($est) = $mytz[(localtime($date{$_}))[8]];
                   2686:     print ", <i>", scalar localtime($date{$_}), " $est</i> (";
                   2687:   } else {
                   2688:     print ", <i>", scalar gmtime($date{$_}), " UTC</i> (";
                   2689:   }
3.136     scop     2690:   print readableTime(time() - $date{$_}, 1), ' ago)';
                   2691:   print ' by <i>', htmlquote($author{$_}), "</i>\n";
                   2692:
                   2693:   if ($revsym{$br}) {
                   2694:     printf "<br>Branch: <b>%s</b>\n",
                   2695:       $link ? link_tags($revsym{$br}) : htmlquote($revsym{$br});
                   2696:   }
                   2697:   if ($revsym{$_}) {
                   2698:     printf "<br>CVS Tags: <b>%s</b>\n",
                   2699:       $link ? link_tags($revsym{$_}) : htmlquote($revsym{$_});
                   2700:   }
                   2701:   if ($branchpoint{$_}) {
                   2702:     printf "<br>Branch point for: <b>%s</b>\n",
                   2703:       $link ? link_tags($branchpoint{$_}) : htmlquote($branchpoint{$_});
                   2704:   }
3.120     scop     2705:
                   2706:   # Find the previous revision
                   2707:   my @prevrev = split (/\./, $_);
                   2708:   do {
                   2709:     if (--$prevrev[$#prevrev] <= 0) {
                   2710:
                   2711:       # If it was X.Y.Z.1, just make it X.Y
                   2712:       pop (@prevrev);
                   2713:       pop (@prevrev);
                   2714:     }
                   2715:     $prev = join (".", @prevrev);
                   2716:   } until (defined($date{$prev}) || $prev eq "");
                   2717:
                   2718:   if ($prev ne "") {
                   2719:     if ($difflines{$_}) {
                   2720:       print "<br>Changes since <b>$prev: $difflines{$_} lines</b>";
                   2721:     }
                   2722:   }
                   2723:
                   2724:   if ($isDead) {
                   2725:     print "<br><b><i>FILE REMOVED</i></b>\n";
                   2726:   } elsif ($link) {
                   2727:     my %diffrev = ();
                   2728:     $diffrev{$_} = 1;
                   2729:     $diffrev{""} = 1;
                   2730:     print '<br>';
                   2731:     my $diff = 'Diff';
                   2732:
                   2733:     #
                   2734:     # Offer diff to previous revision
                   2735:     if ($prev) {
                   2736:       $diffrev{$prev} = 1;
                   2737:
                   2738:       my $url =
                   2739:         sprintf('%s.diff?r1=%s&r2=%s%s', $scriptwhere, $prev, $_, $barequery);
                   2740:
                   2741:       print $diff, " to previous ";
                   2742:       $diff = '';
                   2743:       printDiffLinks($prev, $url);
                   2744:     }
                   2745:
                   2746:     #
                   2747:     # Plus, if it's on a branch, and it's not a vendor branch,
                   2748:     # offer a diff with the branch point.
                   2749:     if ($revsym{$brp}
                   2750:       && !/^1\.1\.1\.\d+$/
                   2751:       && !defined($diffrev{$brp}))
                   2752:     {
                   2753:       my $url =
                   2754:         sprintf('%s.diff?r1=%s&r2=%s%s', $scriptwhere, $brp, $_, $barequery);
                   2755:
                   2756:       print $diff, " to branchpoint ";
                   2757:       $diff = '';
                   2758:       printDiffLinks($brp, $url);
                   2759:     }
                   2760:
                   2761:     #
                   2762:     # Plus, if it's on a branch, and it's not a vendor branch,
                   2763:     # offer to diff with the next revision of the higher branch.
                   2764:     # (e.g. change gets committed and then brought
                   2765:     # over to -stable)
                   2766:     if (/^\d+\.\d+\.\d+/ && !/^1\.1\.1\.\d+$/) {
                   2767:       my ($i, $nextmain);
                   2768:
                   2769:       for ($i = 0; $i < $#revorder && $revorder[$i] ne $_; $i++) {
                   2770:       }
                   2771:       my @tmp2 = split (/\./, $_);
                   2772:       for ($nextmain = ""; $i > 0; $i--) {
                   2773:         my $next = $revorder[$i - 1];
                   2774:         my @tmp1 = split (/\./, $next);
                   2775:
                   2776:         if (@tmp1 < @tmp2) {
                   2777:           $nextmain = $next;
                   2778:           last;
                   2779:         }
                   2780:
                   2781:         # Only the highest version on a branch should have
                   2782:         # a diff for the "next main".
                   2783:         last
                   2784:           if (@tmp1 - 1 <= @tmp2
                   2785:           && join (".", @tmp1[0 .. $#tmp1 - 1]) eq
                   2786:           join (".", @tmp2[0 .. $#tmp1 - 1]));
                   2787:       }
                   2788:
                   2789:       if (!defined($diffrev{$nextmain})) {
                   2790:         $diffrev{$nextmain} = 1;
                   2791:
                   2792:         my $url = sprintf('%s.diff?r1=%s&r2=%s%s',
                   2793:           $scriptwhere, $nextmain, $_, $barequery);
                   2794:
                   2795:         print $diff, " next main ";
                   2796:         $diff = '';
                   2797:         printDiffLinks($nextmain, $url);
                   2798:       }
                   2799:     }
                   2800:
                   2801:     # Plus if user has selected only r1, then present a link
                   2802:     # to make a diff to that revision
                   2803:     if (defined($input{"r1"}) && !defined($diffrev{$input{"r1"}})) {
                   2804:       $diffrev{$input{"r1"}} = 1;
                   2805:
                   2806:       my $url = sprintf('%s.diff?r1=%s&r2=%s%s',
                   2807:         $scriptwhere, $input{'r1'}, $_, $barequery);
                   2808:
                   2809:       print $diff, " to selected ";
                   2810:       $diff = '';
                   2811:       printDiffLinks($input{'r1'}, $url);
                   2812:     }
                   2813:
                   2814:   }
                   2815:   print "\n</p>\n<pre>\n";
                   2816:   print &htmlify($log{$_}, $allow_log_extra);
                   2817:   print "</pre>\n";
3.131     scop     2818:   print "</div>\n" if $isSelected;
3.120     scop     2819: }
                   2820:
3.132     scop     2821: #
                   2822: # Generates the HTML view for CvsGraph.
                   2823: #
                   2824: sub doGraphView($)
                   2825: {
                   2826:   my ($rev) = @_;
                   2827:
                   2828:   (my $pathname = $where) =~ s|[^/]*$||;
                   2829:   (my $filename = $where) =~ s|^.*/||;
                   2830:
                   2831:   navigateHeader($scriptwhere, $pathname, $filename, $rev, 'graph');
                   2832:
3.146     scop     2833:   my $title = 'Revision graph of ' . htmlquote($pathname . $filename);
3.132     scop     2834:   my $mapname = 'CvsGraphMap';
3.156     scop     2835:   my $ctype = viewable(getMimeType($filename)) ?
                   2836:     '&amp;content-type=text/x-cvsweb-markup' : '';
3.132     scop     2837:
3.151     scop     2838:   printf(<<EOF, $title, $mapname, $cvstree, $rev, $title);
3.146     scop     2839: <h3 style="text-align: center">%s</h3>
3.151     scop     2840: <div align="center"><img border="0" usemap="#%s" src="?cvsroot=%s&amp;graph=%s&amp;makeimage=1" alt="%s"></div>
3.146     scop     2841: EOF
3.132     scop     2842:
3.135     scop     2843:   my @graph_cmd =
                   2844:     ($CMD{cvsgraph},
                   2845:      '-r', $cvsroot,
                   2846:      '-i',
                   2847:      '-M', $mapname,
3.146     scop     2848:      '-x', 4,
                   2849:      "-Omap_branch_href=\"href=\\\"./?only_with_tag=%(%t%)$barequery\\\"\"",
                   2850:      "-Omap_rev_href=\"href=\\\"?rev=%(%R%)$barequery$ctype\\\"\"",
                   2851:      "-Omap_diff_href=\"href=\\\"%(%F%).diff" .
                   2852:      "?r1=%(%P%)&amp;r2=%(%R%)$barequery\\\"\"",
3.135     scop     2853:      );
3.132     scop     2854:   push(@graph_cmd, '-c', $cvsgraph_config) if $cvsgraph_config;
                   2855:
                   2856:   my $pipe = IO::Pipe->new();
                   2857:   $pipe->reader(@graph_cmd, $pathname . $filename . ',v');
                   2858:   while (<$pipe>) {
                   2859:     print;
                   2860:   }
                   2861:   $pipe = undef;
                   2862:
                   2863:   html_footer();
                   2864: }
                   2865:
                   2866: #
                   2867: # Generates a graph using CvsGraph.
                   2868: #
                   2869: sub doGraph($)
                   2870: {
                   2871:   my ($rev) = @_;
                   2872:
                   2873:   (my $pathname = $where) =~ s|[^/]*$||;
                   2874:   (my $filename = $where) =~ s|^.*/||;
                   2875:
                   2876:   http_header('image/png');
                   2877:
                   2878:   my @graph_cmd = ($CMD{cvsgraph}, '-r', $cvsroot);
                   2879:   push(@graph_cmd, '-c', $cvsgraph_config) if $cvsgraph_config;
                   2880:
                   2881:   my $pipe = IO::Pipe->new();
                   2882:   $pipe->reader(@graph_cmd, $pathname . $filename . ',v');
                   2883:   {
                   2884:     local $/ = undef;
                   2885:     binmode(\*STDOUT);
                   2886:     print <$pipe>;
                   2887:   }
                   2888:   $pipe = undef;
                   2889: }
                   2890:
                   2891:
3.120     scop     2892: sub doLog($)
                   2893: {
                   2894:   my ($fullname) = @_;
                   2895:
                   2896:   readLog($fullname);
                   2897:
                   2898:   html_header("CVS log for $where");
3.144     scop     2899:
                   2900:   (my $upwhere  = $where) =~ s|(Attic/)?[^/]+$||;
                   2901:   (my $filename = $where) =~ s|^.*/||;
                   2902:   my $backurl = $scriptname . "/" . urlencode($upwhere) . $query;
                   2903:
3.120     scop     2904:   print "<p>\n ";
                   2905:   print &link($backicon, "$backurl#$filename"), " <b>Up to ",
                   2906:     &clickablePath($upwhere, 1), "</b>\n</p>\n";
                   2907:   print "<p>\n ";
                   2908:   print &link('Request diff between arbitrary revisions', '#diff');
3.132     scop     2909:   if ($allow_cvsgraph) {
                   2910:     print ' / ', &graph_link('', 1, 'Display revisions graphically');
                   2911:   }
3.120     scop     2912:   print "\n</p>\n<hr noshade>\n";
                   2913:
                   2914:   print "<p>\n";
3.152     scop     2915:
                   2916:   my $explain = $keywordsubstitution =~ /b/ ?
                   2917:     ' (i.e.: CVS considers this a binary file)' : '';
                   2918:   print "Keyword substitution: $keywordsubstitution$explain<br>\n";
3.144     scop     2919:   print $curbranch
                   2920:     ? ("Default branch: ", ($revsym{$curbranch} || $curbranch))
                   2921:     : "No default branch";
3.120     scop     2922:   print "<br>\n";
                   2923:
3.153     scop     2924:   print 'Current tag: ', htmlquote($input{only_with_tag}), "<br>\n"
                   2925:     if $input{only_with_tag};
3.120     scop     2926:   print "</p>\n";
                   2927:
                   2928:   undef %nameprinted;
                   2929:
                   2930:   for (my $i = 0; $i <= $#revdisplayorder; $i++) {
                   2931:     print "<hr size=\"1\" noshade>\n";
                   2932:     printLog($revdisplayorder[$i]);
                   2933:   }
                   2934:
3.144     scop     2935:   printf(<<EOF, $scriptwhere);
                   2936: <hr noshade>
                   2937: <p>
                   2938:  <a name="diff">
                   2939:   This form allows you to request diff's between any two revisions of a file.
                   2940:   You may select a symbolic revision name using the selection box or you may
                   2941:   type in a numeric name using the type-in text box.
                   2942:  </a>
                   2943: </p>
                   2944: <form method="get" action="%s.diff" name="diff_select">
                   2945: EOF
3.120     scop     2946:
                   2947:   foreach (@stickyvars) {
3.154     scop     2948:     printf("<input type=\"hidden\" name=\"%s\" value=\"%s\">\n",
                   2949:            $_, htmlquote($input{$_}))
3.120     scop     2950:       if (defined($input{$_})
                   2951:           && ((!defined($DEFAULTVALUE{$_}) || $input{$_} ne $DEFAULTVALUE{$_})
                   2952:               && $input{$_} ne ""));
                   2953:   }
3.144     scop     2954:
                   2955:   print <<EOF;
                   2956: <table style="border: none">
                   2957: <tr>
                   2958: <td align="right">
                   2959: <label for="r1" accesskey="1">Diffs between </label>
                   2960: <select id="r1" name="r1">
                   2961: <option value="text" selected>Use Text Field</option>
                   2962: EOF
                   2963:   print $sel, "</select>\n";
                   2964:
                   2965:   my $diffrev = defined($input{r1}) ?
                   2966:     $input{r1} : $revdisplayorder[$#revdisplayorder];
                   2967:
                   2968:   printf(<<EOF, $inputTextSize, $diffrev);
3.147     scop     2969: <input type="text" size="%s" name="tr1" value="%s" onchange="this.form.r1.selectedIndex=0">
3.144     scop     2970: </td>
                   2971: <td><br></td>
                   2972: </tr><tr>
                   2973: <td align="right">
                   2974: <label for="r2" accesskey="2">and </label>
                   2975: <select id="r2" name="r2">
                   2976: <option value="text" selected>Use Text Field</option>
                   2977: EOF
                   2978:   print $sel, "</select>\n";
                   2979:
                   2980:   $diffrev = defined($input{r2}) ? $input{r2} : $revdisplayorder[0];
                   2981:
                   2982:   printf(<<EOF, $inputTextSize, $diffrev, $scriptwhere);
                   2983: <input type="text" size="%s" name="tr2" value="%s" onchange="this.form.r2.selectedIndex=0">
                   2984: </td>
                   2985: <td><input type="submit" value="  Get Diffs  " accesskey="G"></td>
                   2986: </tr>
                   2987: </table>
                   2988: </form>
                   2989: <hr noshade>
                   2990: <form method="get" action="%s">
                   2991: <table style="border: none">
                   2992: <tr>
                   2993:  <td align="right">
                   2994:   <label for="f" accesskey="D">Preferred Diff type:</label>
                   2995:  </td><td>
                   2996: EOF
                   2997:
3.120     scop     2998:   printDiffSelect($use_java_script);
3.144     scop     2999:
                   3000:   print <<EOF;
                   3001:  </td>
                   3002:  <td></td>
                   3003: </tr>
                   3004: EOF
3.120     scop     3005:
                   3006:   if (@branchnames) {
3.144     scop     3007:
                   3008:     printf(<<EOF, $use_java_script ? ' onchange="this.form.submit()"' : '');
                   3009: <tr>
                   3010: <td align="right">
                   3011: <label for="only_with_tag" accesskey="B">View only Branch:</label>
                   3012: </td><td>
                   3013: <a name="branch"></a>
                   3014: <select id="only_with_tag" name="only_with_tag"%s>
                   3015: EOF
                   3016:     print '<option value=""';
                   3017:     print ' selected'
                   3018:       if (defined($input{"only_with_tag"}) && $input{"only_with_tag"} eq '');
3.120     scop     3019:     print ">Show all branches</option>\n";
                   3020:
                   3021:     foreach (reverse sort @branchnames) {
3.136     scop     3022:       my $selected =
                   3023:         (defined($input{"only_with_tag"}) && $input{"only_with_tag"} eq $_);
                   3024:       printf("<option%s>%s</option>\n",
                   3025:              $selected ? ' selected' : '',
                   3026:              htmlquote($_));
3.120     scop     3027:     }
3.144     scop     3028:     print <<EOF
                   3029: </select>
                   3030: </td>
                   3031: <td></td>
                   3032: </tr>
                   3033: EOF
3.120     scop     3034:   }
                   3035:
3.144     scop     3036:   print <<EOF;
                   3037:  <tr>
                   3038:   <td align="right">
                   3039:    <a name="logsort"></a>
                   3040:    <label for="logsort" accesskey="L">Sort log by:</label>
                   3041:   </td><td>
                   3042: EOF
3.120     scop     3043:   printLogSortSelect($use_java_script);
3.144     scop     3044:   print <<EOF;
                   3045:   </td>
                   3046:   <td><input type="submit" value="  Set  " accesskey="S"></td>
                   3047:  </tr>
                   3048: </table>
                   3049: EOF
3.154     scop     3050:   foreach (@stickyvars) {
                   3051:     next if ($_ eq "f");
                   3052:     next if ($_ eq "only_with_tag");
                   3053:     next if ($_ eq "logsort");
                   3054:     printf("<input type=\"hidden\" name=\"$_\" value=\"%s\">\n",
                   3055:            htmlquote($input{$_}))
                   3056:       if (defined($input{$_})
                   3057:           && (!defined($DEFAULTVALUE{$_})
                   3058:               || $input{$_} ne $DEFAULTVALUE{$_})
                   3059:           && $input{$_} ne "");
                   3060:   }
                   3061:   print "</form>\n";
3.120     scop     3062:   html_footer();
                   3063: }
                   3064:
                   3065: sub flush_diff_rows($$$$)
                   3066: {
                   3067:   my ($leftColRef, $rightColRef, $leftRow, $rightRow) = @_;
                   3068:
                   3069:   if (!defined($state)) {
                   3070:     return;
                   3071:   }
                   3072:
                   3073:   if ($state eq "PreChangeRemove") {    # we just got remove-lines before
3.133     scop     3074:     for (my $j = 0; $j < $leftRow; $j++) {
3.144     scop     3075:       printf(<<EOF, scalar(@$leftColRef[$j]));
                   3076: <tr>
                   3077:  <td class="diff-removed">&nbsp;%s</td>
                   3078:  <td class="diff-empty">&nbsp;</td>
                   3079: </tr>
                   3080: EOF
3.120     scop     3081:     }
                   3082:   } elsif ($state eq "PreChange") {     # state eq "PreChange"
                   3083:                                         # we got removes with subsequent adds
                   3084:
3.133     scop     3085:     for (my $j = 0; $j < $leftRow || $j < $rightRow; $j++) {  # dump both cols
3.120     scop     3086:       print "<tr>\n";
                   3087:       if ($j < $leftRow) {
                   3088:         print "<td class=\"diff-changed\">&nbsp;@$leftColRef[$j]</td>";
                   3089:       } else {
                   3090:         print "<td class=\"diff-changed-missing\">&nbsp;</td>";
                   3091:       }
                   3092:       print "\n";
                   3093:
                   3094:       if ($j < $rightRow) {
                   3095:         print "<td class=\"diff-changed\">&nbsp;@$rightColRef[$j]</td>";
                   3096:       } else {
                   3097:         print "<td class=\"diff-changed-missing\">&nbsp;</td>";
                   3098:       }
                   3099:       print "\n</tr>\n";
                   3100:     }
                   3101:   }
3.1       knu      3102: }
                   3103:
                   3104: ##
                   3105: # Function to generate Human readable diff-files
                   3106: # human_readable_diff(String revision_to_return_to);
                   3107: ##
3.144     scop     3108: sub human_readable_diff($$)
3.120     scop     3109: {
                   3110:   my ($fh, $rev) = @_;
3.144     scop     3111:
3.120     scop     3112:   my ($date1, $date2, $r1d, $r2d, $r1r, $r2r, $rev1, $rev2, $sym1, $sym2);
                   3113:
3.144     scop     3114:   (my $where_nd       = $where)       =~ s/.diff$//;
                   3115:   (my $filename       = $where_nd)    =~ s/^.*\///;
                   3116:   (my $pathname       = $where_nd)    =~ s/(Attic\/)?[^\/]*$//;
                   3117:   (my $scriptwhere_nd = $scriptwhere) =~ s/.diff$//;
3.120     scop     3118:
3.133     scop     3119:   navigateHeader($scriptwhere_nd, $pathname, $filename, $rev, 'diff');
3.120     scop     3120:
                   3121:   # Read header to pick up read revision and date, if possible
                   3122:   while (<$fh>) {
                   3123:     ($r1d, $r1r) = /\t(.*)\t(.*)$/ if (/^--- /);
                   3124:     ($r2d, $r2r) = /\t(.*)\t(.*)$/ if (/^\+\+\+ /);
                   3125:     last if (/^\+\+\+ /);
                   3126:   }
                   3127:
                   3128:   if (defined($r1r) && $r1r =~ /^(\d+\.)+\d+$/) {
                   3129:     $rev1  = $r1r;
                   3130:     $date1 = $r1d;
                   3131:   }
                   3132:   if (defined($r2r) && $r2r =~ /^(\d+\.)+\d+$/) {
                   3133:     $rev2  = $r2r;
                   3134:     $date2 = $r2d;
                   3135:   }
                   3136:
3.144     scop     3137:   # Using <table style=\"border: none\" here breaks NS 4.x badly...
                   3138:   printf(<<EOF, $where_nd, $rev1, $rev2, $rev1);
                   3139: <h3 style="text-align: center">Diff for /%s between versions %s and %s</h3>
3.147     scop     3140: <table border="0" cellspacing="0" cellpadding="0" width="100%%">
3.144     scop     3141: <tr style="background-color: #ffffff">
3.147     scop     3142: <th style="text-align: center; vertical-align: top" width="50%%">version %s
3.144     scop     3143: EOF
                   3144:   print ', ', $date1 if defined($date1);
                   3145:   print "<br>Tag: $sym1\n" if $sym1;
                   3146:   printf(<<EOF, $rev2);
                   3147: </th>
3.147     scop     3148: <th style="text-align: center; vertical-align: top" width="50%%">version %s
3.144     scop     3149: EOF
                   3150:   print ', ', $date2 if defined($date2);
                   3151:   print "<br>Tag: $sym2\n" if $sym2;
3.120     scop     3152:   print "</th>\n";
                   3153:
                   3154:   # Process diff text
                   3155:   # prefetch several lines
                   3156:   my @buf = head($fh);
3.144     scop     3157:   my %d = scan_directives(@buf);
3.120     scop     3158:
3.144     scop     3159:   my $leftRow  = 0;
                   3160:   my $rightRow = 0;
                   3161:   my ($difftxt, @rightCol, @leftCol, $oldline, $newline, $funname);
                   3162:   my ($diffcode, $rest);
3.120     scop     3163:
                   3164:   while (@buf || !eof($fh)) {
                   3165:     $difftxt = @buf ? shift @buf : <$fh>;
                   3166:
                   3167:     if ($difftxt =~ /^@@/) {
                   3168:       ($oldline, $newline, $funname) =
                   3169:         $difftxt =~ /@@ \-([0-9]+).*\+([0-9]+).*@@(.*)/;
                   3170:       $funname = htmlquote($funname);
                   3171:       $funname =~ s/\s/&nbsp;/go;
3.144     scop     3172:
                   3173:       printf(<<EOF, $oldline, $funname, $newline, $funname);
                   3174: <tr class="diff-heading">
3.147     scop     3175: <td width="50%%">
                   3176:  <table width="100%%" border="1" cellpadding="5">
3.144     scop     3177:   <tr>
                   3178:    <td><b>Line&nbsp;%s</b>&nbsp;<span style="font-size: smaller">%s</span></td>
                   3179:   </tr>
                   3180:  </table>
3.147     scop     3181: </td><td width="50%%">
                   3182:  <table width="100%%" border="1" cellpadding="5">
3.144     scop     3183:   <tr>
                   3184:    <td><b>Line&nbsp;%s</b>&nbsp;<span style="font-size: smaller">%s</span></td>
                   3185:   </tr>
                   3186:  </table>
                   3187: </td>
                   3188: EOF
                   3189:
3.120     scop     3190:       $state    = "dump";
                   3191:       $leftRow  = 0;
                   3192:       $rightRow = 0;
                   3193:     } else {
                   3194:       ($diffcode, $rest) = $difftxt =~ /^([-+ ])(.*)/;
                   3195:       $_ = spacedHtmlText($rest, $d{'tabstop'});
                   3196:
                   3197:       #########
                   3198:       # little state machine to parse unified-diff output (Hen, zeller@think.de)
                   3199:       # in order to get some nice 'ediff'-mode output
                   3200:       # states:
                   3201:       #  "dump"             - just dump the value
                   3202:       #  "PreChangeRemove"  - we began with '-' .. so this could be the start of a 'change' area or just remove
                   3203:       #  "PreChange"        - okey, we got several '-' lines and moved to '+' lines -> this is a change block
                   3204:       ##########
                   3205:
                   3206:       if ($diffcode eq '+') {
                   3207:         if ($state eq "dump")
                   3208:         {    # 'change' never begins with '+': just dump out value
3.144     scop     3209:           printf(<<EOF, $_);
                   3210: <tr>
                   3211:  <td class="diff-empty">&nbsp;</td>
                   3212:  <td class="diff-added">&nbsp;%s</td>
                   3213: </tr>
                   3214: EOF
3.120     scop     3215:         } else {    # we got minus before
                   3216:           $state = "PreChange";
                   3217:           $rightCol[$rightRow++] = $_;
                   3218:         }
                   3219:       } elsif ($diffcode eq '-') {
                   3220:         $state = "PreChangeRemove";
                   3221:         $leftCol[$leftRow++] = $_;
                   3222:       } else {    # empty diffcode
                   3223:         flush_diff_rows \@leftCol, \@rightCol, $leftRow, $rightRow;
3.147     scop     3224:         printf(<<EOF, $_, $_);
3.144     scop     3225: <tr>
                   3226:  <td class="diff-same">&nbsp;%s</td>
                   3227:  <td class="diff-same">&nbsp;%s</td>
                   3228: </tr>
                   3229: EOF
3.120     scop     3230:         $state    = "dump";
                   3231:         $leftRow  = 0;
                   3232:         $rightRow = 0;
                   3233:       }
                   3234:     }
                   3235:   }
                   3236:   close($fh);
                   3237:
                   3238:   flush_diff_rows \@leftCol, \@rightCol, $leftRow, $rightRow;
                   3239:
                   3240:   # state is empty if we didn't have any change
                   3241:   if (!$state) {
3.144     scop     3242:     print <<EOF;
                   3243: <tr>
                   3244:  <td colspan="2">&nbsp;</td>
                   3245: </tr>
                   3246: <tr class="diff-empty">
                   3247:  <td colspan="2" align="center"><b>- No viewable change -</b></td>
                   3248: </tr>
                   3249: EOF
3.120     scop     3250:   }
                   3251:
3.144     scop     3252:   printf(<<EOF, $scriptwhere, $rev1, $rev2);
                   3253: </table>
3.147     scop     3254: <hr style="width: 100%%" noshade>
3.144     scop     3255: <form method="get" action="%s">
                   3256: <table style="border: none">
                   3257: <tr>
                   3258: <td>
                   3259:  <table border="1">
                   3260:   <tr>
                   3261:    <td>
                   3262:     Legend:<br>
                   3263:     <table style="border: none" cellspacing="0" cellpadding="1">
                   3264:      <tr>
                   3265:       <td align="center" class="diff-removed">Removed from v.%s</td>
                   3266:       <td class="diff-empty">&nbsp;</td>
                   3267:      </tr><tr class="diff-changed">
                   3268:       <td align="center" colspan="2">changed lines</td>
                   3269:      </tr><tr>
                   3270:       <td class="diff-empty">&nbsp;</td>
                   3271:       <td align="center" class="diff-added">Added in v.%s</td>
                   3272:      </tr>
                   3273:     </table>
                   3274:    </td>
                   3275:   </tr>
                   3276:  </table>
                   3277: </td>
                   3278: <td>
                   3279: EOF
3.120     scop     3280:
                   3281:   # Print format selector
                   3282:   foreach my $var (keys %input) {
                   3283:     next if ($var eq "f");
                   3284:     next if (defined($DEFAULTVALUE{$var})
                   3285:              && $DEFAULTVALUE{$var} eq $input{$var});
                   3286:     print "<input type=\"hidden\" name=\"", urlencode($var), "\" value=\"",
                   3287:       urlencode($input{$var}), "\">\n";
                   3288:   }
                   3289:   printDiffSelect($use_java_script);
                   3290:
3.144     scop     3291:   print <<EOF;
                   3292: <input type="submit" value="Show">
                   3293: </td>
                   3294: </tr>
                   3295: </table>
                   3296: </form>
                   3297: EOF
3.120     scop     3298: }
                   3299:
                   3300: sub navigateHeader($$$$$)
                   3301: {
                   3302:   my ($swhere, $path, $filename, $rev, $title) = @_;
                   3303:   $swhere = "" if ($swhere eq $scriptwhere);
                   3304:   $swhere = './' . urlencode($filename) if ($swhere eq "");
                   3305:
3.136     scop     3306:   my $qfile = htmlquote($filename);
                   3307:   my $qpath = htmlquote($path);
3.100     knu      3308:
3.133     scop     3309:   http_header();
                   3310:
3.120     scop     3311:   print <<EOF;
3.100     knu      3312: $HTML_DOCTYPE
3.89      knu      3313: <html>
                   3314: <head>
3.136     scop     3315: <title>$qpath$qfile - $title - $rev</title>
3.144     scop     3316: $HTML_META$CSS</head>
3.129     scop     3317: <body class="src">
                   3318: <table width="100%" class="navigate-header" style="border: none" cellspacing="0" cellpadding="1">
3.144     scop     3319:  <tr valign="bottom">
                   3320:   <td>
3.64      knu      3321: EOF
                   3322:
3.120     scop     3323:   print &link($backicon, "$swhere$query#rev$rev");
3.136     scop     3324:   printf '<b>Return to %s CVS log',
                   3325:     &link(htmlquote($filename), "$swhere$query#rev$rev");
3.120     scop     3326:   print "</b> $fileicon</td>";
                   3327:
3.144     scop     3328:   printf(<<EOF, $diricon, &clickablePath($path, 1));
                   3329:   <td align="right">%s <b>Up to %s</b></td>
                   3330:  </tr>
                   3331: </table>
                   3332: EOF
3.120     scop     3333: }
                   3334:
                   3335: sub plural_write($$)
                   3336: {
                   3337:   my ($num, $text) = @_;
                   3338:   if ($num != 1) {
                   3339:     $text .= "s";
                   3340:   }
                   3341:
                   3342:   if ($num > 0) {
                   3343:     return join (' ', $num, $text);
                   3344:   } else {
                   3345:     return "";
                   3346:   }
3.1       knu      3347: }
                   3348:
                   3349: ##
                   3350: # print readable timestamp in terms of
                   3351: # '..time ago'
                   3352: # H. Zeller <zeller@think.de>
                   3353: ##
3.120     scop     3354: sub readableTime($$)
                   3355: {
                   3356:   my ($secs, $long) = @_;
                   3357:
                   3358:   # this function works correct for time >= 2 seconds
                   3359:   if ($secs < 2) {
                   3360:     return "very little time";
                   3361:   }
                   3362:
                   3363:   my %desc = (
3.133     scop     3364:               1        => 'second',
                   3365:               60       => 'minute',
                   3366:               3600     => 'hour',
                   3367:               86400    => 'day',
                   3368:               604800   => 'week',
                   3369:               2628000  => 'month',
                   3370:               31536000 => 'year'
                   3371:              );
                   3372:
3.120     scop     3373:   my @breaks = sort { $a <=> $b } keys %desc;
3.133     scop     3374:   my $i = 0;
3.120     scop     3375:
                   3376:   while ($i <= $#breaks && $secs >= 2 * $breaks[$i]) {
                   3377:     $i++;
                   3378:   }
                   3379:   $i--;
3.133     scop     3380:   my $break  = $breaks[$i];
                   3381:   my $retval = plural_write(int($secs / $break), $desc{$break});
3.120     scop     3382:
                   3383:   if ($long == 1 && $i > 0) {
                   3384:     my $rest = $secs % $break;
                   3385:     $i--;
                   3386:     $break = $breaks[$i];
                   3387:     my $resttime = plural_write(int($rest / $break), $desc{$break});
                   3388:     if ($resttime) {
                   3389:       $retval .= ", $resttime";
                   3390:     }
                   3391:   }
3.1       knu      3392:
3.120     scop     3393:   return $retval;
3.1       knu      3394: }
                   3395:
                   3396: ##
                   3397: # clickablePath(String pathname, boolean last_item_clickable)
                   3398: #
                   3399: # returns a html-ified path whereas each directory is a link for
                   3400: # faster navigation. last_item_clickable controls whether the
                   3401: # basename (last directory/file) is a link as well
                   3402: ##
3.120     scop     3403: sub clickablePath($$)
                   3404: {
                   3405:   my ($pathname, $clickLast) = @_;
                   3406:
3.154     scop     3407:   my $root = '[' . htmlquote($CVSROOTdescr{$cvstree} || $cvstree) . ']';
                   3408:
3.144     scop     3409:   # This should never happen (see chooseCVSRoot()), but let's be sure...
3.154     scop     3410:   return $root if ($pathname eq '/');
3.120     scop     3411:
3.144     scop     3412:   my $retval =
3.154     scop     3413:     ' ' . &link($root, sprintf('%s/%s#dirlist', $scriptname, $query));
3.144     scop     3414:   my $wherepath = '';
                   3415:   my ($lastslash) = $pathname =~ m|/$|;
                   3416:
                   3417:   foreach (split (/\//, $pathname)) {
                   3418:     $retval .= ' / ';
                   3419:     $wherepath .= "/$_";
                   3420:     my $last = "$wherepath/" eq "/$pathname" || $wherepath eq "/$pathname";
                   3421:
                   3422:     if ($clickLast || !$last) {
                   3423:       $retval .= &link(htmlquote($_),
                   3424:                        join ('',
                   3425:                              $scriptname, urlencode($wherepath),
                   3426:                              (!$last || $lastslash ? '/' : ''), $query,
                   3427:                              (!$last || $lastslash ? "#dirlist" : "")));
                   3428:     } else {    # do not make a link to the current dir
                   3429:       $retval .= htmlquote($_);
3.120     scop     3430:     }
                   3431:   }
                   3432:   return $retval;
                   3433: }
                   3434:
3.144     scop     3435:
3.120     scop     3436: sub chooseCVSRoot()
                   3437: {
                   3438:
                   3439:   print "<form method=\"get\" action=\"${scriptwhere}\">\n";
                   3440:   if (2 <= @CVSROOT) {
3.133     scop     3441:     foreach my $k (keys %input) {
3.154     scop     3442:       printf("<input type=\"hidden\" name=\"%s\" value=\"%s\">\n",
                   3443:              htmlquote($k), htmlquote($input{$k}))
                   3444:         if ($input{$k} && $k ne 'cvsroot');
3.120     scop     3445:     }
                   3446:
                   3447:     # Form-Elements look wierd in Netscape if the background
                   3448:     # isn't gray and the form elements are not placed
                   3449:     # within a table ...
3.144     scop     3450:     printf(<<EOF, $use_java_script ? ' onchange="this.form.submit()"' : '');
                   3451: <table style="border: none">
                   3452: <tr>
                   3453: <td><label for="cvsroot" accesskey="C">CVS Root:</label></td>
                   3454: <td>
                   3455: <select id="cvsroot" name="cvsroot"%s>
                   3456: EOF
3.120     scop     3457:
3.133     scop     3458:     foreach my $k (@CVSROOT) {
3.136     scop     3459:       printf("<option value=\"%s\"%s>%s</option>\n",
                   3460:              htmlquote($k),
                   3461:              ($k eq $cvstree) ? ' selected' : '',
                   3462:              htmlquote($CVSROOTdescr{$k} || $k));
3.120     scop     3463:     }
                   3464:     print "</select>\n</td>\n<td>";
                   3465:   } else {
                   3466:
                   3467:     # no choice -- but we need the form to select module/path,
                   3468:     # at least for Netscape
3.154     scop     3469:     printf "<p>\nCVS Root: <b>[%s]</b>",
                   3470:       htmlquote($CVSROOTdescr{$cvstree} || $cvstree);
3.120     scop     3471:   }
                   3472:
3.144     scop     3473:   print <<EOF;
                   3474: <label for="mpath" accesskey="M">
                   3475: Module path or alias:
                   3476: <input type="text" id="mpath" name="path" value="" size="15">
                   3477: </label>
                   3478: <input type="submit" value="Go" accesskey="O">
                   3479: EOF
3.120     scop     3480:
3.144     scop     3481:   print 2 <= @CVSROOT ? "</td>\n</tr>\n</table>" : '</p>';
3.120     scop     3482:   print "\n</form>";
                   3483: }
                   3484:
                   3485: sub chooseMirror()
                   3486: {
                   3487:
                   3488:   # This code comes from the original BSD-cvsweb
                   3489:   # and may not be useful for your site; If you don't
                   3490:   # set %MIRRORS this won't show up, anyway.
                   3491:   scalar(%MIRRORS) or return;
                   3492:
                   3493:   # Should perhaps exclude the current site somehow...
                   3494:   print "\n<p>\nThis CVSweb is mirrored in\n";
                   3495:
                   3496:   my @tmp = map(&link(htmlquote($_), $MIRRORS{$_}), sort keys %MIRRORS);
                   3497:   my $tmp = pop (@tmp);
                   3498:
                   3499:   if (scalar(@tmp)) {
                   3500:     print join (', ', @tmp), ' and ';
                   3501:   }
                   3502:
                   3503:   print "$tmp.\n</p>\n";
                   3504: }
                   3505:
                   3506: sub fileSortCmp()
                   3507: {
                   3508:   my ($comp) = 0;
                   3509:   my ($c, $d, $af, $bf);
                   3510:
                   3511:   ($af = $a) =~ s/,v$//;
                   3512:   ($bf = $b) =~ s/,v$//;
                   3513:   my ($rev1, $date1, $log1, $author1, $filename1) = @{$fileinfo{$af}}
                   3514:     if (defined($fileinfo{$af}));
                   3515:   my ($rev2, $date2, $log2, $author2, $filename2) = @{$fileinfo{$bf}}
                   3516:     if (defined($fileinfo{$bf}));
                   3517:
3.140     scop     3518:   if (defined($filename1) && defined($filename2) &&
                   3519:       $af eq $filename1   && $bf eq $filename2)
3.120     scop     3520:   {
                   3521:
                   3522:     # Two files
3.140     scop     3523:     $comp = -revcmp($rev1, $rev2)             if ($byrev  && $rev1  && $rev2);
                   3524:     $comp = ($date2   <=> $date1)             if ($bydate && $date1 && $date2);
                   3525:     if ($input{ignorecase}) {
                   3526:       $comp = (uc($log1)    cmp uc($log2))    if ($bylog && $log1 && $log2);
                   3527:       $comp = (uc($author1) cmp uc($author2)) if ($byauthor &&
                   3528:                                                   $author1 && $author2);
                   3529:     } else {
                   3530:       $comp = ($log1    cmp $log2)            if ($bylog && $log1 && $log2);
                   3531:       $comp = ($author1 cmp $author2)         if ($byauthor &&
                   3532:                                                   $author1 && $author2);
                   3533:     }
3.120     scop     3534:   }
                   3535:
                   3536:   if ($comp == 0) {
                   3537:
                   3538:     # Directories first, then files under version control,
                   3539:     # then other, "rogue" files.
                   3540:     # Sort by filename if no other criteria available.
                   3541:
                   3542:     my $ad = (
                   3543:       (-d "$fullname/$a")
                   3544:       ? 'D'
                   3545:       : (defined($fileinfo{$af}) ? 'F' : 'R')
                   3546:     );
                   3547:     my $bd = (
                   3548:       (-d "$fullname/$b")
                   3549:       ? 'D'
                   3550:       : (defined($fileinfo{$bf}) ? 'F' : 'R')
                   3551:     );
                   3552:     ($c = $a) =~ s|.*/||;
                   3553:     ($d = $b) =~ s|.*/||;
3.144     scop     3554:
                   3555:     my ($l, $r) = ("$ad$c", "$bd$d");
                   3556:     $comp = $input{ignorecase} ? (uc($l) cmp uc($r)) : ($l cmp $r);
                   3557:
                   3558:     # Parent dir is always first, then Attic.
                   3559:     if ($comp != 0) {
                   3560:       if ($l eq 'D..') {
3.149     scop     3561:         $comp = -1;
3.144     scop     3562:       } elsif ($r eq 'D..') {
3.149     scop     3563:         $comp = 1;
3.144     scop     3564:       } elsif ($l eq 'DAttic') {
3.149     scop     3565:         $comp = -1;
3.144     scop     3566:       } elsif ($r eq 'DAttic') {
3.149     scop     3567:         $comp = 1;
3.144     scop     3568:       }
                   3569:     }
3.120     scop     3570:   }
                   3571:   return $comp;
3.1       knu      3572: }
                   3573:
                   3574: # make A url for downloading
3.120     scop     3575: sub download_url($$;$)
                   3576: {
                   3577:   my ($url, $revision, $mimetype) = @_;
3.1       knu      3578:
3.120     scop     3579:   $revision =~ s/\b0\.//;
3.1       knu      3580:
3.146     scop     3581:   if (defined($checkoutMagic) &&
                   3582:       (!defined($mimetype) || $mimetype !~ $CvsWebMarkupRE))
3.120     scop     3583:   {
                   3584:     my $path = $where;
                   3585:     $path =~ s|[^/]+$||;
                   3586:     $url = "$scriptname/$checkoutMagic/${path}$url";
                   3587:   }
                   3588:   $url .= "?rev=$revision";
                   3589:   $url .= '&content-type=' . urlencode($mimetype) if (defined($mimetype));
3.67      knu      3590:
3.120     scop     3591:   $url;
3.1       knu      3592: }
                   3593:
3.12      knu      3594: # Presents a link to download the
3.1       knu      3595: # selected revision
3.120     scop     3596: sub download_link($$$;$)
                   3597: {
                   3598:   my ($url, $revision, $textlink, $mimetype) = @_;
                   3599:   my ($fullurl) = download_url($url, $revision, $mimetype);
                   3600:
                   3601:   $fullurl =~ s/:/sprintf("%%%02x", ord($&))/eg;
                   3602:
                   3603:   printf '<a href="%s"', hrefquote("$fullurl$barequery");
                   3604:
3.146     scop     3605:   if ($open_extern_window &&
                   3606:       (!defined($mimetype) || $mimetype !~ $CvsWebMarkupRE))
3.120     scop     3607:   {
                   3608:     print ' target="cvs_checkout"';
                   3609:
                   3610:     # we should have
                   3611:     #   'if (document.cvswin==null) document.cvswin=window.open(...'
                   3612:     # in order to allow the user to resize the window; otherwise
                   3613:     # the user may resize the window, but on next checkout - zap -
                   3614:     # its original (configured s. cvsweb.conf) size is back again
                   3615:     # .. annoying (if $extern_window_(width|height) is defined)
                   3616:     # but this if (..) solution is far from perfect
                   3617:     # what we need to do as well is
                   3618:     # 1) save cvswin in an invisible frame that always exists
                   3619:     #    (document.cvswin will be void on next load)
                   3620:     # 2) on close of the cvs_checkout - window set the cvswin
                   3621:     #    variable to 'null' again - so that it will be
                   3622:     #    reopenend with the configured size
                   3623:     # anyone a JavaScript programmer ?
                   3624:     # .. so here without if (..):
                   3625:     # currently, the best way is to comment out the size parameters
                   3626:     # ($extern_window...) in cvsweb.conf.
                   3627:     if ($use_java_script) {
                   3628:       my @attr = qw(resizable scrollbars);
                   3629:
                   3630:       push @attr, qw(status toolbar)
                   3631:         if (defined($mimetype) && $mimetype eq "text/html");
                   3632:
                   3633:       push @attr, "width=$extern_window_width"
                   3634:         if (defined($extern_window_width));
                   3635:
                   3636:       push @attr, "height=$extern_window_height"
                   3637:         if (defined($extern_window_height));
                   3638:
                   3639:       # We need the "return false" here to prevent browsers
                   3640:       # from following the href after the onclick handler.
                   3641:       # This would effectively load the same document in
                   3642:       # the same window *twice*.
                   3643:       printf q` onclick="window.open('%s','cvs_checkout','%s');return false"`,
                   3644:         hrefquote("$fullurl$barequery"), join (',', @attr);
                   3645:     }
                   3646:   }
                   3647:   print "><b>$textlink</b></a>";
3.132     scop     3648: }
                   3649:
                   3650: sub graph_link($$;$)
                   3651: {
                   3652:   my ($url, $revision, $text) = @_;
                   3653:   $text ||= $graphicon;
                   3654:   return sprintf('<a href="%s?graph=%s%s">%s</a>',
                   3655:                  hrefquote($url), hrefquote($revision), hrefquote($barequery),
                   3656:                  $text);
3.1       knu      3657: }
                   3658:
                   3659: # Returns a Query string with the
                   3660: # specified parameter toggled
3.140     scop     3661: sub toggleQuery($;$)
3.120     scop     3662: {
                   3663:   my ($toggle, $value) = @_;
3.133     scop     3664:
                   3665:   my %vars = %input;
3.120     scop     3666:
                   3667:   if (defined($value)) {
                   3668:     $vars{$toggle} = $value;
                   3669:   } else {
                   3670:     $vars{$toggle} = $vars{$toggle} ? 0 : 1;
                   3671:   }
                   3672:
                   3673:   # Build a new query of non-default paramenters
3.133     scop     3674:   my $newquery = "";
                   3675:   foreach my $var (@stickyvars) {
3.120     scop     3676:     my ($value)   = defined($vars{$var})         ? $vars{$var}         : "";
                   3677:     my ($default) = defined($DEFAULTVALUE{$var}) ? $DEFAULTVALUE{$var} : "";
                   3678:
                   3679:     if ($value ne $default) {
                   3680:       $newquery .= "&" if ($newquery ne "");
                   3681:       $newquery .= urlencode($var) . "=" . urlencode($value);
                   3682:     }
                   3683:   }
                   3684:
                   3685:   if ($newquery) {
                   3686:     return '?' . $newquery;
                   3687:   }
                   3688:   return "";
                   3689: }
                   3690:
                   3691: sub urlencode($)
                   3692: {
                   3693:   local ($_) = @_;
                   3694:
                   3695:   s/[\000-+{-\377]/sprintf("%%%02x", ord($&))/ge;
                   3696:
                   3697:   $_;
                   3698: }
                   3699:
                   3700: sub htmlquote($)
                   3701: {
                   3702:   local ($_) = @_;
                   3703:
                   3704:   # Special Characters; RFC 1866
                   3705:   s/&/&amp;/g;
                   3706:   s/\"/&quot;/g;
                   3707:   s/</&lt;/g;
                   3708:   s/>/&gt;/g;
                   3709:
                   3710:   $_;
                   3711: }
                   3712:
                   3713: sub htmlunquote($)
                   3714: {
                   3715:   local ($_) = @_;
                   3716:
                   3717:   # Special Characters; RFC 1866
                   3718:   s/&quot;/\"/g;
                   3719:   s/&lt;/</g;
                   3720:   s/&gt;/>/g;
                   3721:   s/&amp;/&/g;
                   3722:
                   3723:   $_;
                   3724: }
                   3725:
                   3726: sub hrefquote($)
                   3727: {
                   3728:   local ($_) = @_;
                   3729:
                   3730:   y/ /+/;
                   3731:
                   3732:   htmlquote($_);
                   3733: }
                   3734:
                   3735: sub http_header(;$)
                   3736: {
                   3737:   my $content_type = shift || "text/html";
                   3738:
                   3739:   $content_type .= "; charset=$charset"
                   3740:     if $content_type =~ m,^text/, && defined($charset) && $charset;
                   3741:
                   3742:   if (defined($moddate)) {
                   3743:     if ($is_mod_perl) {
                   3744:       Apache->request->header_out(
                   3745:         "Last-Modified" => scalar gmtime($moddate) . " GMT");
                   3746:     } else {
                   3747:       print "Last-Modified: ", scalar gmtime($moddate), " GMT\r\n";
                   3748:     }
                   3749:   }
                   3750:
                   3751:   if ($is_mod_perl) {
                   3752:     Apache->request->content_type($content_type);
                   3753:   } else {
                   3754:     print "Content-Type: $content_type\r\n";
                   3755:   }
                   3756:
                   3757:   if ($allow_compress && $maycompress) {
                   3758:     if ($has_zlib
                   3759:         || (defined($CMD{gzip}) && open(GZIP, "| $CMD{gzip} -1 -c")))
                   3760:     {
                   3761:
                   3762:       if ($is_mod_perl) {
                   3763:         Apache->request->content_encoding("x-gzip");
                   3764:         Apache->request->header_out(Vary => "Accept-Encoding");
                   3765:         Apache->request->send_http_header;
                   3766:       } else {
                   3767:         print "Content-Encoding: x-gzip\r\n";
                   3768:         print "Vary: Accept-Encoding\r\n";    #RFC 2068, 14.43
                   3769:         print "\r\n";                         # Close headers
                   3770:       }
                   3771:       $| = 1;
                   3772:       $| = 0;                                 # Flush header output
                   3773:
                   3774:       if ($has_zlib) {
                   3775:         tie *GZIP, __PACKAGE__, \*STDOUT;
                   3776:       }
                   3777:       select(GZIP);
                   3778:       $gzip_open = 1;
                   3779:
3.149     scop     3780:       #     print "<!-- gzipped -->" if ($content_type =~ m|^text/html\b|);
3.120     scop     3781:     } else {
                   3782:       if ($is_mod_perl) {
                   3783:         Apache->request->send_http_header;
                   3784:       } else {
                   3785:         print "\r\n";    # Close headers
                   3786:       }
                   3787:       print
                   3788:         "<span style=\"font-size: smaller\">Unable to find gzip binary in the <b>\$command_path</b> ($command_path) to compress output</span><br>";
                   3789:     }
                   3790:   } else {
                   3791:
                   3792:     if ($is_mod_perl) {
                   3793:       Apache->request->send_http_header;
                   3794:     } else {
                   3795:       print "\r\n";      # Close headers
                   3796:     }
                   3797:   }
                   3798: }
                   3799:
3.131     scop     3800:
3.120     scop     3801: sub html_header($)
                   3802: {
3.131     scop     3803:   my $title = htmlquote(shift);
3.134     scop     3804:   http_header('text/html');
3.120     scop     3805:   print <<EOH;
3.100     knu      3806: $HTML_DOCTYPE
3.1       knu      3807: <html>
3.40      knu      3808: <head>
3.134     scop     3809: <title>$title</title>
3.144     scop     3810: $HTML_META$CSS</head>
3.129     scop     3811: <body>
3.1       knu      3812: $logo <h1 align="center">$title</h1>
                   3813: EOH
                   3814: }
                   3815:
3.120     scop     3816: sub html_footer()
                   3817: {
3.127     scop     3818:   print "<hr noshade>\n<address>$address</address>\n" if $address;
                   3819:   print "</body>\n</html>\n";
3.1       knu      3820: }
                   3821:
3.120     scop     3822: sub link_tags($)
                   3823: {
                   3824:   my ($tags) = @_;
                   3825:   my ($ret)  = "";
                   3826:   my ($fileurl, $filename);
                   3827:
                   3828:   ($filename = $where) =~ s/^.*\///;
                   3829:   $fileurl = './' . urlencode($filename);
                   3830:
                   3831:   foreach my $sym (split (", ", $tags)) {
                   3832:     $ret .= ",\n" if ($ret ne "");
3.136     scop     3833:     $ret .= &link(htmlquote($sym),
                   3834:                   $fileurl . toggleQuery('only_with_tag', $sym));
3.120     scop     3835:   }
                   3836:   return "$ret\n";
3.1       knu      3837: }
                   3838:
                   3839: #
3.81      knu      3840: # See if a module is listed in the config file's @HideModules list.
3.1       knu      3841: #
3.120     scop     3842: sub forbidden_module($)
                   3843: {
                   3844:   my ($module) = @_;
                   3845:   local $_;
                   3846:
                   3847:   for (@HideModules) {
                   3848:     return 1 if $module =~ $_;
                   3849:   }
                   3850:   return 0;
                   3851: }
                   3852:
                   3853: sub forbidden_file($)
                   3854: {
                   3855:   my ($path) = @_;
                   3856:   $path = substr($path, length($cvsroot) + 1);
                   3857:   local $_;
                   3858:   for (@ForbiddenFiles) {
                   3859:     return 1 if $path =~ $_;
                   3860:   }
                   3861:   return 0;
3.129     scop     3862: }
                   3863:
3.25      knu      3864:
                   3865: # Close the GZIP handle remove the tie.
                   3866:
3.120     scop     3867: sub gzipclose
                   3868: {
                   3869:   if ($gzip_open) {
                   3870:     select(STDOUT);
                   3871:     close(GZIP);
                   3872:     untie *GZIP;
                   3873:     $gzip_open = 0;
                   3874:   }
3.23      knu      3875: }
                   3876:
                   3877: # implement a gzipped file handle via the Compress:Zlib compression
                   3878: # library.
                   3879:
                   3880: sub MAGIC1() { 0x1f }
                   3881: sub MAGIC2() { 0x8b }
3.80      knu      3882: sub OSCODE() { 3 }
3.23      knu      3883:
3.120     scop     3884: sub TIEHANDLE
                   3885: {
                   3886:   my ($class, $out) = @_;
                   3887:   my ($d) = Compress::Zlib::deflateInit(
                   3888:     -Level      => Compress::Zlib::Z_BEST_COMPRESSION(),
                   3889:     -WindowBits => -Compress::Zlib::MAX_WBITS()
                   3890:     )
                   3891:     or return undef;
                   3892:   my ($o) = { handle => $out,
                   3893:               dh     => $d,
                   3894:               crc    => 0,
                   3895:               len    => 0,
                   3896:             };
                   3897:   my ($header) = pack("c10",
                   3898:                       MAGIC1, MAGIC2, Compress::Zlib::Z_DEFLATED(),
                   3899:                       0, 0, 0, 0, 0, 0, OSCODE);
                   3900:   print {$o->{handle}} $header;
                   3901:   return bless($o, $class);
                   3902: }
                   3903:
                   3904: sub PRINT
                   3905: {
                   3906:   my ($o)   = shift;
                   3907:   my ($buf) = join (defined $, ? $, : "", @_);
                   3908:   my ($len) = length($buf);
                   3909:   my ($compressed, $status) = $o->{dh}->deflate($buf);
                   3910:   print {$o->{handle}} $compressed if defined($compressed);
                   3911:   $o->{crc} = Compress::Zlib::crc32($buf, $o->{crc});
                   3912:   $o->{len} += $len;
                   3913:   return $len;
                   3914: }
                   3915:
                   3916: sub PRINTF
                   3917: {
                   3918:   my ($o)   = shift;
                   3919:   my ($fmt) = shift;
                   3920:   my ($buf) = sprintf($fmt, @_);
                   3921:   my ($len) = length($buf);
                   3922:   my ($compressed, $status) = $o->{dh}->deflate($buf);
                   3923:   print {$o->{handle}} $compressed if defined($compressed);
                   3924:   $o->{crc} = Compress::Zlib::crc32($buf, $o->{crc});
                   3925:   $o->{len} += $len;
                   3926:   return $len;
                   3927: }
                   3928:
                   3929: sub WRITE
                   3930: {
                   3931:   my ($o, $buf, $len, $off) = @_;
                   3932:   my ($compressed, $status) = $o->{dh}->deflate(substr($buf, 0, $len));
                   3933:   print {$o->{handle}} $compressed if defined($compressed);
                   3934:   $o->{crc} = Compress::Zlib::crc32(substr($buf, 0, $len), $o->{crc});
                   3935:   $o->{len} += $len;
                   3936:   return $len;
                   3937: }
                   3938:
                   3939: sub CLOSE
                   3940: {
                   3941:   my ($o) = @_;
                   3942:   return if !defined($o->{dh});
                   3943:   my ($buf) = $o->{dh}->flush();
                   3944:   $buf .= pack("V V", $o->{crc}, $o->{len});
                   3945:   print {$o->{handle}} $buf;
                   3946:   undef $o->{dh};
                   3947: }
                   3948:
                   3949: sub DESTROY
                   3950: {
                   3951:   my ($o) = @_;
                   3952:   CLOSE($o);
1.1       jfieber  3953: }
3.149     scop     3954:
                   3955: # Local variables:
                   3956: # indent-tabs-mode: nil
                   3957: # cperl-indent-level: 2
                   3958: # End:

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