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Annotation of cvsweb/cvsweb.cgi, Revision 3.260

3.204     scop        1: #!/usr/bin/perl -T
1.1       jfieber     2: #
3.1       knu         3: # cvsweb - a CGI interface to CVS trees.
1.1       jfieber     4: #
3.12      knu         5: # Written in their spare time by
3.113     scop        6: #             Bill Fenner          <fenner@FreeBSD.org>   (original work)
                      7: # extended by Henner Zeller        <zeller@think.de>,
                      8: #             Henrik Nordstrom     <hno@hem.passagen.se>
                      9: #             Ken Coar             <coar@Apache.Org>
                     10: #             Dick Balaska         <dick@buckosoft.com>
                     11: #             Akinori MUSHA        <knu@FreeBSD.org>
                     12: #             Jens-Uwe Mager       <jum@helios.de>
                     13: #             Ville Skyttä         <scop@FreeBSD.org>
                     14: #             Vassilii Khachaturov <vassilii@tarunz.org>
3.1       knu        15: #
                     16: # Based on:
                     17: # * Bill Fenners cvsweb.cgi revision 1.28 available from:
3.5       knu        18: #   http://www.FreeBSD.org/cgi/cvsweb.cgi/www/en/cgi/cvsweb.cgi
1.1       jfieber    19: #
1.21      wosch      20: # Copyright (c) 1996-1998 Bill Fenner
3.1       knu        21: #           (c) 1998-1999 Henner Zeller
3.109     scop       22: #           (c) 1999      Henrik Nordstrom
                     23: #           (c) 2000-2002 Akinori MUSHA
3.216     scop       24: #           (c) 2002-2004 Ville Skyttä
1.21      wosch      25: # All rights reserved.
                     26: #
                     27: # Redistribution and use in source and binary forms, with or without
                     28: # modification, are permitted provided that the following conditions
                     29: # are met:
                     30: # 1. Redistributions of source code must retain the above copyright
                     31: #    notice, this list of conditions and the following disclaimer.
                     32: # 2. Redistributions in binary form must reproduce the above copyright
                     33: #    notice, this list of conditions and the following disclaimer in the
                     34: #    documentation and/or other materials provided with the distribution.
                     35: #
                     36: # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
                     37: # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     38: # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     39: # ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
                     40: # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     41: # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     42: # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     43: # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     44: # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     45: # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     46: # SUCH DAMAGE.
                     47: #
3.87      knu        48: # $FreeBSD$
3.82      knu        49: # $Id: cvsweb.cgi,v 1.112 2001/07/24 13:03:16 hzeller Exp $
3.85      knu        50: # $Idaemons: /home/cvs/cvsweb/cvsweb.cgi,v 3.84 2001/10/07 20:50:10 knu Exp $
1.21      wosch      51: #
3.1       knu        52: ###
                     53:
3.204     scop       54: require 5.006;
3.55      knu        55:
3.1       knu        56: use strict;
1.21      wosch      57:
3.204     scop       58: use warnings;
                     59: use filetest qw(access);
                     60:
3.1       knu        61: use vars qw (
3.222     scop       62:   $VERSION $CheckoutMagic $MimeTypes
3.144     scop       63:   $config $allow_version_select
3.120     scop       64:   @CVSrepositories @CVSROOT %CVSROOT %CVSROOTdescr
                     65:   %MIRRORS %DEFAULTVALUE %ICONS %MTYPES
3.225     scop       66:   %DIFF_COMMANDS @DIFFTYPES %DIFFTYPES @LOGSORTKEYS %LOGSORTKEYS
3.129     scop       67:   %alltags %fileinfo %tags @branchnames %nameprinted
3.120     scop       68:   %symrev %revsym @allrevisions %date %author @revdisplayorder
3.152     scop       69:   @revisions %state %difflines %log %branchpoint @revorder $keywordsubstitution
3.120     scop       70:   $prcgi @prcategories $re_prcategories $prkeyword $re_prkeyword $mancgi
3.222     scop       71:   $doCheckout $scriptname $scriptwhere
3.120     scop       72:   $where $pathinfo $Browser $nofilelinks $maycompress
3.194     scop       73:   @stickyvars %funcline_regexp
3.120     scop       74:   $is_links $is_lynx $is_w3m $is_msie $is_mozilla3 $is_textbased
                     75:   %input $query $barequery $sortby $bydate $byrev $byauthor
                     76:   $bylog $byfile $defaultDiffType $logsort $cvstree $cvsroot
3.230     scop       77:   $charset $output_filter
                     78:   @command_path %CMD $allow_compress $backicon $diricon $fileicon $graphicon
3.152     scop       79:   $fullname $newname $cvstreedefault $logo $defaulttitle $address $binfileicon
3.131     scop       80:   $long_intro $short_instruction $shortLogLen $show_author
3.129     scop       81:   $tablepadding $hr_breakable $showfunc $hr_ignwhite $hr_ignkeysubst
                     82:   $inputTextSize $mime_types $allow_annotate $allow_markup
3.120     scop       83:   $allow_log_extra $allow_dir_extra $allow_source_extra
3.218     scop       84:   $allow_cvsgraph $cvsgraph_config $use_java_script $edit_option_form
3.144     scop       85:   $show_subdir_lastmod $show_log_in_markup $preformat_in_markup
3.233     scop       86:   $tabstop $state $annTable $sel @ForbiddenFiles
                     87:   $use_descriptions %descriptions @mytz $dwhere
3.222     scop       88:   $use_moddate $gzip_open $file_list_len
3.120     scop       89:   $allow_tar @tar_options @gzip_options @zip_options @cvs_options
3.222     scop       90:   @annotate_options @rcsdiff_options
3.257     scop       91:   $HTML_DOCTYPE $HTML_META $cssurl $CSS $cvshistory_url
3.222     scop       92:   $allow_enscript @enscript_options %enscript_types
3.1       knu        93: );
                     94:
3.183     scop       95: use Cwd                   qw(abs_path cwd);
3.172     scop       96: use File::Basename        qw(dirname);
3.171     scop       97: use File::Path            qw(rmtree);
3.232     scop       98: use File::Spec::Functions qw(canonpath catdir catfile curdir devnull rootdir
                     99:                              tmpdir updir);
3.225     scop      100: use File::Temp            qw(tempdir tempfile);
3.229     scop      101: use IPC::Run              qw();
3.172     scop      102: use Time::Local           qw(timegm);
3.206     scop      103: use URI::Escape           qw(uri_escape uri_unescape);
3.122     scop      104:
3.222     scop      105: use constant VALID_PATH   => qr/^([[:^cntrl:]]+)$/o;
                    106: use constant VALID_TAG1   => qr/^([a-zA-Z][[:graph:]]*)$/o;
                    107: use constant VALID_TAG2   => qr/^([^\$,.:;@]+)$/o;
                    108: use constant CVSWEBMARKUP => qr/^text\/(x-cvsweb|vnd\.viewcvs)-markup$/io;
                    109: use constant LOG_FILESEPR => qr/^={77}$/o;
                    110: use constant LOG_REVSEPR  => qr/^-{28}$/o;
                    111:
                    112: use constant HAS_ZLIB     => eval { require Compress::Zlib; };
                    113: use constant HAS_EDIFF    => eval { require String::Ediff;  };
3.194     scop      114:
3.122     scop      115: # -----------------------------------------------------------------------------
                    116:
                    117: # All global initialization that can be done in compile time should go to
                    118: # the BEGIN block.  Persistent environments, such as mod_perl, will benefit
                    119: # from this.
                    120:
                    121: BEGIN
                    122: {
3.259     scop      123:   $VERSION = '3.0.1';
3.122     scop      124:
                    125:   $HTML_DOCTYPE =
3.208     scop      126:     '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" ' .
                    127:     '"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">';
3.122     scop      128:
                    129:   $HTML_META = <<EOM;
3.208     scop      130: <meta name="robots" content="nofollow" />
                    131: <meta name="generator" content="FreeBSD-CVSweb $VERSION" />
                    132: <meta http-equiv="Content-Script-Type" content="text/javascript" />
                    133: <meta http-equiv="Content-Style-Type" content="text/css" />
3.122     scop      134: EOM
                    135:
3.156     scop      136:   # Use MIME::Types for MIME type lookups if it's available.
                    137:   eval {
                    138:     require MIME::Types;
3.223     scop      139:     $MimeTypes = MIME::Types->new(only_complete => 1);
3.156     scop      140:   };
                    141:   $MimeTypes = undef if $@;
                    142:
3.222     scop      143:   $CheckoutMagic = '~checkout~';
3.122     scop      144: }
                    145:
                    146: # -----------------------------------------------------------------------------
                    147:
3.12      knu       148: sub printDiffSelect($);
3.168     scop      149: sub printDiffSelectStickyVars();
3.225     scop      150: sub getDiffLinks($$$);
3.37      knu       151: sub printLogSortSelect($);
3.12      knu       152: sub findLastModifiedSubdirs(@);
3.36      knu       153: sub htmlify_sub(&$);
3.12      knu       154: sub htmlify($;$);
3.20      knu       155: sub spacedHtmlText($;$);
3.12      knu       156: sub link($$);
                    157: sub revcmp($$);
3.103     knu       158: sub fatal($$@);
3.12      knu       159: sub redirect($);
                    160: sub safeglob($);
3.58      knu       161: sub search_path($);
3.219     scop      162: sub getEnscriptHL($);
3.156     scop      163: sub getMimeType($;$);
3.24      knu       164: sub head($;$);
                    165: sub scan_directives(@);
3.86      knu       166: sub openOutputFilter();
3.133     scop      167: sub doAnnotate($);
3.12      knu       168: sub doCheckout($$);
3.240     scop      169: sub doEnscript($$$;$);
3.170     scop      170: sub doGraph();
                    171: sub doGraphView();
3.219     scop      172: sub cvswebMarkup($$$$$$;$);
3.12      knu       173: sub viewable($);
                    174: sub doDiff($$$$$$);
                    175: sub getDirLogs($$@);
                    176: sub readLog($;$);
3.219     scop      177: sub printLog($$$;$$);
3.12      knu       178: sub doLog($);
                    179: sub flush_diff_rows($$$$);
3.144     scop      180: sub human_readable_diff($$);
3.163     scop      181: sub navigateHeader($$$$$;$);
3.12      knu       182: sub plural_write($$);
                    183: sub readableTime($$);
                    184: sub clickablePath($$);
                    185: sub chooseCVSRoot();
                    186: sub chooseMirror();
                    187: sub fileSortCmp();
                    188: sub download_url($$;$);
                    189: sub download_link($$$;$);
3.219     scop      190: sub display_url($$;$);
                    191: sub display_link($$;$$);
3.170     scop      192: sub graph_link($;$);
3.258     scop      193: sub history_link($$;$);
3.140     scop      194: sub toggleQuery($;$);
3.12      knu       195: sub urlencode($);
3.35      knu       196: sub htmlquote($);
3.36      knu       197: sub htmlunquote($);
3.48      knu       198: sub hrefquote($);
3.163     scop      199: sub http_header(;$$);
                    200: sub html_header($;$);
3.12      knu       201: sub html_footer();
                    202: sub link_tags($);
3.233     scop      203: sub forbidden($);
3.191     scop      204: sub startproc(@);
3.215     scop      205: sub runproc(@);
3.225     scop      206: sub checkout_to_temp($$$);
3.12      knu       207:
3.1       knu       208: ##### Start of Configuration Area ########
3.122     scop      209:
3.142     scop      210: # Get rid of unsafe environment vars.  Don't do this in BEGIN...
                    211: delete(@ENV{qw(PATH IFS CDPATH ENV BASH_ENV)});
3.59      knu       212:
3.172     scop      213: my ($mydir) = (dirname($0) =~ /(.*)/);    # untaint
3.58      knu       214:
3.12      knu       215: # == EDIT this ==
3.28      knu       216: # Locations to search for user configuration, in order:
3.165     scop      217: for (catfile($mydir, 'cvsweb.conf'), '/usr/local/etc/cvsweb/cvsweb.conf') {
                    218:   if (-r $_) {
3.120     scop      219:     $config = $_;
                    220:     last;
                    221:   }
3.11      knu       222: }
3.122     scop      223: undef $mydir;
3.1       knu       224:
                    225: # == Configuration defaults ==
                    226: # Defaults for configuration variables that shouldn't need
                    227: # to be configured..
                    228: $allow_version_select = 1;
3.120     scop      229: $allow_log_extra      = 1;
3.1       knu       230:
                    231: ##### End of Configuration Area   ########
                    232:
                    233: ######## Configuration variables #########
                    234: # These are defined to allow checking with perl -cw
3.120     scop      235:
3.80      knu       236: @CVSrepositories = @CVSROOT = %CVSROOT = %MIRRORS = %DEFAULTVALUE = %ICONS =
3.225     scop      237:   %MTYPES = %tags = %alltags = %fileinfo = %DIFF_COMMANDS = ();
3.120     scop      238:
3.129     scop      239: $cvstreedefault = $logo = $defaulttitle =
3.120     scop      240:   $address = $long_intro = $short_instruction = $shortLogLen = $show_author =
3.131     scop      241:   $tablepadding = $hr_breakable = $showfunc = $hr_ignwhite =
3.129     scop      242:   $hr_ignkeysubst = $inputTextSize = $mime_types = $allow_annotate =
3.218     scop      243:   $allow_markup = $use_java_script = $edit_option_form =
3.144     scop      244:   $show_subdir_lastmod = $show_log_in_markup =
3.163     scop      245:   $tabstop = $use_moddate = $gzip_open = undef;
3.32      knu       246:
3.37      knu       247: @DIFFTYPES = qw(h H u c s);
                    248: @DIFFTYPES{@DIFFTYPES} = (
3.120     scop      249:   {
                    250:     'descr'   => 'colored',
                    251:     'opts'    => ['-u'],
                    252:     'colored' => 1,
                    253:   },
                    254:   {
                    255:     'descr'   => 'long colored',
                    256:     'opts'    => ['--unified=15'],
                    257:     'colored' => 1,
                    258:   },
                    259:   {
                    260:     'descr'   => 'unified',
                    261:     'opts'    => ['-u'],
                    262:     'colored' => 0,
                    263:   },
                    264:   {
                    265:     'descr'   => 'context',
                    266:     'opts'    => ['-c'],
                    267:     'colored' => 0,
                    268:   },
                    269:   {
                    270:     'descr'   => 'side by side',
3.236     scop      271:     # width=168 should be enough to support 80 character line lengths
                    272:     'opts'    => ['--side-by-side', '--width=168'],
3.120     scop      273:     'colored' => 0,
                    274:   },
3.80      knu       275: );
3.37      knu       276:
                    277: @LOGSORTKEYS = qw(cvs date rev);
                    278: @LOGSORTKEYS{@LOGSORTKEYS} = (
3.254     scop      279:   { descr => 'Not sorted',  },
                    280:   { descr => 'Commit date', },
                    281:   { descr => 'Revision',    },
3.80      knu       282: );
3.37      knu       283:
3.1       knu       284: ##### End of configuration variables #####
                    285:
3.194     scop      286: if ($ENV{PATH_INFO}) {
                    287:   ($pathinfo) = ($ENV{PATH_INFO} =~ VALID_PATH)
                    288:     or fatal('500 Internal Error',
                    289:              'Illegal PATH_INFO in environment: <code>%s</code>',
                    290:              $ENV{PATH_INFO});
                    291: }
                    292: if ($ENV{SCRIPT_NAME}) {
                    293:   ($scriptname) = ($ENV{SCRIPT_NAME} =~ VALID_PATH)
                    294:     or fatal('500 Internal Error',
                    295:              'Illegal SCRIPT_NAME in environment: <code>%s</code>',
                    296:              $ENV{SCRIPT_NAME});
                    297: }
                    298:
                    299: $pathinfo      = '' unless defined($pathinfo);
                    300: $scriptname    = '' unless defined($scriptname);
                    301:
3.120     scop      302: $where         =  $pathinfo;
3.222     scop      303: $doCheckout    =  ($where =~ m|^/$CheckoutMagic/|o);
                    304: $where         =~ s|^/$CheckoutMagic/|/|o;
3.120     scop      305: $where         =~ s|^/||;
                    306: $scriptname    =~ s|^/*|/|;
3.63      knu       307:
3.64      knu       308: # Let's workaround thttpd's stupidity..
3.63      knu       309: if ($scriptname =~ m|/$|) {
3.120     scop      310:   $pathinfo .= '/';
                    311:   my $re = quotemeta $pathinfo;
                    312:   $scriptname =~ s/$re$//;
3.63      knu       313: }
                    314:
3.120     scop      315: $scriptwhere  = $scriptname;
3.63      knu       316: $scriptwhere .= '/' . urlencode($where);
                    317: $where = '/' if ($where eq '');
3.3       knu       318:
3.188     scop      319: # In text-based browsers, it's very annoying to have two links per file;
                    320: # skip linking the image for them.
                    321:
3.120     scop      322: $Browser     = $ENV{HTTP_USER_AGENT} || '';
3.187     scop      323: $is_links    = ($Browser =~ m`^E?Links `);
3.80      knu       324: $is_lynx     = ($Browser =~ m`^Lynx/`i);
                    325: $is_w3m      = ($Browser =~ m`^w3m/`i);
                    326: $is_msie     = ($Browser =~ m`MSIE`);
3.5       knu       327: $is_mozilla3 = ($Browser =~ m`^Mozilla/[3-9]`);
3.3       knu       328:
3.34      knu       329: $is_textbased = ($is_links || $is_lynx || $is_w3m);
3.5       knu       330:
                    331: $nofilelinks = $is_textbased;
3.1       knu       332:
                    333: # newer browsers accept gzip content encoding
                    334: # and state this in a header
                    335: # (netscape did always but didn't state it)
                    336: # It has been reported that these
                    337: #  braindamaged MS-Internet Exploders claim that they
                    338: # accept gzip .. but don't in fact and
                    339: # display garbage then :-/
3.23      knu       340: # Turn off gzip if running under mod_perl and no zlib is available,
                    341: # piping does not work as expected inside the server.
3.120     scop      342: $maycompress = (
                    343:   ((defined($ENV{HTTP_ACCEPT_ENCODING})
                    344:     && $ENV{HTTP_ACCEPT_ENCODING} =~ /gzip/)
                    345:    || $is_mozilla3)
                    346:   && !$is_msie
3.222     scop      347:   && !(defined($ENV{MOD_PERL}) && !HAS_ZLIB)
3.120     scop      348: );
3.1       knu       349:
3.194     scop      350: # Variables that will be sticky in all constructed links/query strings.
                    351: @stickyvars =
                    352:   qw(cvsroot hideattic ignorecase sortby logsort f only_with_tag ln);
1.1       jfieber   353:
3.227     scop      354: #
                    355: # Load configuration.
                    356: #
3.1       knu       357: if (-f $config) {
3.120     scop      358:   do "$config"
                    359:     or fatal("500 Internal Error",
3.208     scop      360:              'Error in loading configuration file: %s<br /><br />%s<br />',
3.120     scop      361:              $config, $@);
3.27      knu       362: } else {
3.120     scop      363:   fatal("500 Internal Error",
                    364:         'Configuration not found.  Set the variable <code>$config</code> in cvsweb.cgi to your <b>cvsweb.conf</b> configuration file first.');
3.1       knu       365: }
                    366:
3.183     scop      367: # Try to find a readable dir where we can cd into.  Some abs_path()
                    368: # implementations as well as various cvs operations require such a dir to
                    369: # work properly.
                    370: {
                    371:   local $^W = 0;
3.190     scop      372:   if (!-r cwd()) {
                    373:     for my $dir (tmpdir(), rootdir()) {
                    374:       last if (-r $dir && chdir($dir));
                    375:     }
3.183     scop      376:   }
                    377: }
                    378:
3.144     scop      379: $CSS = $cssurl ?
3.208     scop      380:   sprintf("<link rel=\"stylesheet\" type=\"text/css\" href=\"%s\" />\n",
3.144     scop      381:           htmlquote($cssurl)) : '';
                    382:
3.194     scop      383: # --- input parameters
                    384:
3.202     scop      385: my %query = ();
                    386: if (defined($ENV{QUERY_STRING})) {
                    387:   for my $p (split(/[;&]+/, $ENV{QUERY_STRING})) {
                    388:     next unless $p;
                    389:     $p =~ y/+/ /;
                    390:     my ($key, $val) = split(/=/, $p, 2);
                    391:     next unless defined($key);
                    392:     $val = 1 unless defined($val);
3.222     scop      393:     ($key = uri_unescape($key)) =~ /[[:graph:]]/ or next;
                    394:     ($val = uri_unescape($val)) =~ /[[:graph:]]/ or next;
3.202     scop      395:     $query{$key} = $val;
                    396:   }
                    397: }
                    398:
3.1       knu       399: undef %input;
1.10      wosch     400:
3.194     scop      401: my $t;
                    402: for my $p (qw(graph hideattic hidecvsroot hidenonreadable ignorecase ln copt
                    403:               makeimage options tarball)) {
3.202     scop      404:   $t = $query{$p};
                    405:   if (defined($t)) {
3.222     scop      406:     ($input{$p}) = ($t =~ /^([01]|on)$/)
3.194     scop      407:       or fatal('500 Internal Error',
                    408:                'Invalid boolean value: <code>%s=%s</code>', $p, $t);
                    409:   }
                    410: }
                    411: for my $p (qw(annotate r1 r2 rev tr1 tr2)) {
3.202     scop      412:   $t = $query{$p};
                    413:   if (defined($t)) {
3.207     scop      414:     if (($p eq 'r1' || $p eq 'r2') && $t eq 'text') {
                    415:       # Special case for the "Use text field" option in the log view diff form.
                    416:       $input{$p} = $t;
                    417:       next;
3.253     scop      418:     } elsif ($p eq 'rev' && ($t eq '.' || $t eq 'HEAD')) {
                    419:       # Another special case, allow linking to latest revision using these.
                    420:       $input{$p} = '.';
                    421:       next;
3.207     scop      422:     }
3.194     scop      423:     my ($rev, $tag) = split(/:/, $t, 2);
3.251     scop      424:     ($input{$p}) = ($rev =~ /^(\d+(?:\.\d+)*)$/)
3.194     scop      425:       or fatal('500 Internal Error',
                    426:                'Invalid revision: <code>%s=%s</code>', $p, $t);
                    427:     if (defined($tag)) {
                    428:       ($tag) = ($tag =~ VALID_TAG1)
                    429:         or fatal('500 Internal Error',
3.254     scop      430:                  'Invalid tag/branch name in revision: <code>%s=%s</code>',
                    431:                  $p, $t);
3.194     scop      432:       ($tag) = ($tag =~ VALID_TAG2)
                    433:         or fatal('500 Internal Error',
3.254     scop      434:                  'Invalid tag/branch name in revision: <code>%s=%s</code>',
                    435:                  $p, $t);
3.207     scop      436:       $input{$p} .= ':' . $tag;
3.194     scop      437:     }
                    438:   }
                    439: }
3.202     scop      440: $t = defined($query{only_with_tag}) ?
                    441:   $query{only_with_tag} : $query{only_on_branch}; # Backwards compatibility.
                    442: if (defined($t)) {
3.211     scop      443:   ($input{only_with_tag}) = ($t =~ VALID_TAG1)
3.194     scop      444:     or fatal('500 Internal Error',
                    445:              'Invalid tag/branch name: <code>%s</code>', $t);
3.211     scop      446:   ($input{only_with_tag}) = ($t =~ VALID_TAG2)
3.194     scop      447:     or fatal('500 Internal Error',
                    448:              'Invalid tag/branch name: <code>%s</code>', $t);
                    449: }
3.202     scop      450: $t = $query{logsort};
                    451: if (defined($t)) {
3.222     scop      452:   ($input{logsort}) = ($t =~ /^(cvs|date|rev)$/)
3.194     scop      453:     or fatal('500 Internal Error',
                    454:              'Unsupported log sort key: <code>%s</code>', $t);
                    455: }
3.202     scop      456: $t = $query{f};
                    457: if (defined($t)) {
3.225     scop      458:   ($input{f}) = ($t =~ /^(([hH]|[ucs]c?)|ext\d*)$/)
3.194     scop      459:     or fatal('500 Internal Error',
                    460:              'Unsupported diff format: <code>%s</code>', $t);
                    461: }
3.202     scop      462: $t = $query{sortby};
                    463: if (defined($t)) {
3.222     scop      464:   ($input{sortby}) = ($t =~ /^(file|date|rev|author|log)$/)
3.194     scop      465:     or fatal('500 Internal Error',
                    466:              'Unsupported dir sort key: <code>%s</code>', $t);
                    467: }
3.202     scop      468: $t = $query{'content-type'};
                    469: if (defined($t)) {
3.222     scop      470:   ($input{'content-type'}) = ($t =~ /^([-0-9A-Za-z]+\/[-0-9A-Za-z\.]+)$/)
3.194     scop      471:     or fatal('500 Internal Error',
                    472:              'Unsupported content type: <code>%s</code>', $t);
                    473: }
3.202     scop      474: $t = $query{cvsroot};
                    475: if (defined($t)) {
3.222     scop      476:   ($input{cvsroot}) = ($t =~ /^([[:print:]]+)$/)
3.194     scop      477:     or fatal('500 Internal Error',
                    478:              'Invalid symbolic CVS root name: <code>%s</code>', $t);
                    479: }
3.202     scop      480: $t = $query{path};
                    481: if (defined($t)) {
3.194     scop      482:   ($input{path}) = ($t =~ VALID_PATH)
                    483:     or fatal('500 Internal Error',
                    484:              'Invalid path: <code>%s</code>', $t);
3.97      knu       485: }
3.194     scop      486: undef($t);
3.205     scop      487: undef(%query);
3.97      knu       488:
3.194     scop      489: # --- end input parameters
1.10      wosch     490:
3.158     scop      491: #
                    492: # CVS roots
                    493: #
                    494: my $rootfound = 0;
                    495: for (my $i = 0; $i < scalar(@CVSrepositories); $i += 2) {
                    496:   my $key = $CVSrepositories[$i];
3.232     scop      497:   my ($descr, $root) = @{$CVSrepositories[$i+1]};
                    498:   $root = canonpath($root);
                    499:   unless (-d $root) {
                    500:     warn("Root '$root' defined in \@CVSrepositories is not a directory, " .
3.158     scop      501:          'entry ignored');
                    502:     next;
                    503:   }
                    504:   $rootfound ||= 1;
                    505:   $cvstreedefault = $key unless defined($cvstreedefault);
                    506:   $CVSROOTdescr{$key} = $descr;
3.232     scop      507:   $CVSROOT{$key} = $root;
3.158     scop      508:   push(@CVSROOT, $key);
                    509: }
                    510: unless ($rootfound) {
                    511:   fatal('500 Internal Error',
                    512:         'No valid CVS roots found!  See <code>@CVSrepositories</code> in ' .
3.221     scop      513:         'the configuration file (<code>%s</code>).',
3.158     scop      514:         $config);
                    515: }
                    516: undef $rootfound;
                    517:
                    518: #
                    519: # Default CVS root
                    520: #
                    521: if (!defined($CVSROOT{$cvstreedefault})) {
                    522:   fatal("500 Internal Error",
                    523:         '<code>$cvstreedefault</code> points to a repository (%s) not ' .
                    524:         'defined in <code>@CVSrepositories</code> in your configuration ' .
                    525:         'file (<code>%s</code>).',
                    526:         $cvstreedefault,
                    527:         $config);
                    528: }
                    529:
3.254     scop      530: $DEFAULTVALUE{cvsroot} = $cvstreedefault;
1.10      wosch     531:
3.120     scop      532: while (my ($key, $defval) = each %DEFAULTVALUE) {
3.80      knu       533:
3.120     scop      534:   # Replace not given parameters with defaults.
3.194     scop      535:   next unless (defined($defval) && $defval =~ /\S/ && !defined($input{$key}));
3.120     scop      536:
                    537:   # Empty checkboxes in forms return nothing, so we define a helper variable
                    538:   # in these forms (copt) which indicates that we just set parameters with a
                    539:   # checkbox.
3.194     scop      540:   if ($input{copt}) {
3.120     scop      541:
3.194     scop      542:     # 'copt' is set -> the result of empty input checkbox
3.120     scop      543:     # -> set to zero (disable) if default is a boolean (0|1).
                    544:     $input{$key} = 0 if ($defval eq '0' || $defval eq '1');
                    545:
                    546:   } else {
                    547:
3.194     scop      548:     # 'copt' isn't set --> empty input is not the result
3.120     scop      549:     # of empty input checkbox --> set default.
                    550:     $input{$key} = $defval;
                    551:   }
1.10      wosch     552: }
3.12      knu       553:
3.1       knu       554: $barequery = "";
3.31      knu       555: my @barequery;
3.1       knu       556: foreach (@stickyvars) {
3.80      knu       557:
3.120     scop      558:   # construct a query string with the sticky non default parameters set
                    559:   if (defined($input{$_})
                    560:       && !(defined($DEFAULTVALUE{$_}) && $input{$_} eq $DEFAULTVALUE{$_}))
                    561:   {
3.206     scop      562:     push(@barequery, join('=', uri_escape($_), uri_escape($input{$_})));
3.120     scop      563:   }
3.1       knu       564: }
3.80      knu       565:
3.168     scop      566: if ($allow_enscript) {
                    567:   push(@DIFFTYPES, qw(uc cc sc));
                    568:   @DIFFTYPES{qw(uc cc sc)} = (
                    569:     {
                    570:      'descr'   => 'unified, colored',
                    571:      'opts'    => ['-u'],
                    572:      'colored' => 0,
                    573:     },
                    574:     {
                    575:      'descr'   => 'context, colored',
                    576:      'opts'    => ['-c'],
                    577:      'colored' => 0,
                    578:     },
                    579:     {
                    580:      'descr'   => 'side by side, colored',
3.238     scop      581:      # width=168 should be enough to support 80 character line lengths
                    582:      'opts'    => ['--side-by-side', '--width=168'],
3.168     scop      583:      'colored' => 0,
                    584:     },
                    585:   );
                    586: } else {
                    587:   # No Enscript -> respect difftype, but don't offer colorization.
                    588:   if ($input{f} && $input{f} =~ /^([ucs])c$/) {
                    589:     $input{f} = $1;
                    590:   }
                    591: }
                    592:
3.1       knu       593: # is there any query ?
3.31      knu       594: if (@barequery) {
3.203     scop      595:   $barequery = join (';', @barequery);
3.120     scop      596:   $query     = "?$barequery";
3.203     scop      597:   $barequery = ";$barequery";
3.80      knu       598: } else {
3.120     scop      599:   $query = "";
3.1       knu       600: }
3.31      knu       601: undef @barequery;
3.1       knu       602:
3.254     scop      603: if (defined($input{path})) {
3.120     scop      604:   redirect("$scriptname/$input{path}$query");
3.57      knu       605: }
                    606:
3.1       knu       607: # get actual parameters
3.144     scop      608: {
                    609:   my $sortby = $input{sortby} || 'file';
                    610:   $bydate    = 0;
                    611:   $byrev     = 0;
                    612:   $byauthor  = 0;
                    613:   $bylog     = 0;
                    614:   $byfile    = 0;
                    615:   if ($sortby eq 'date') {
                    616:     $bydate = 1;
                    617:   } elsif ($sortby eq 'rev') {
                    618:     $byrev = 1;
                    619:   } elsif ($sortby eq 'author') {
                    620:     $byauthor = 1;
                    621:   } elsif ($sortby eq 'log') {
                    622:     $bylog = 1;
                    623:   } else {
                    624:     $byfile = 1;
                    625:   }
3.1       knu       626: }
                    627:
3.254     scop      628: $defaultDiffType = $input{f};
3.1       knu       629:
3.254     scop      630: $logsort = $input{logsort};
3.1       knu       631:
                    632: # alternate CVS-Tree, configured in cvsweb.conf
3.254     scop      633: if ($input{cvsroot} && $CVSROOT{$input{cvsroot}}) {
                    634:   $cvstree = $input{cvsroot};
3.1       knu       635: } else {
3.120     scop      636:   $cvstree = $cvstreedefault;
1.10      wosch     637: }
                    638:
3.1       knu       639: $cvsroot = $CVSROOT{$cvstree};
1.10      wosch     640:
3.1       knu       641: # create icons out of description
3.120     scop      642: foreach my $k (keys %ICONS) {
                    643:   my ($itxt, $ipath, $iwidth, $iheight) = @{$ICONS{$k}};
                    644:   no strict 'refs';
                    645:   if ($ipath) {
                    646:     ${"${k}icon"} =
3.208     scop      647:       sprintf('<img src="%s" alt="%s" border="0" width="%d" height="%d" />',
3.132     scop      648:               hrefquote($ipath), htmlquote($itxt), $iwidth, $iheight);
3.120     scop      649:   } else {
                    650:     ${"${k}icon"} = $itxt;
                    651:   }
1.24      wosch     652: }
                    653:
3.27      knu       654: my $config_cvstree = "$config-$cvstree";
                    655:
3.1       knu       656: # Do some special configuration for cvstrees
3.27      knu       657: if (-f $config_cvstree) {
3.120     scop      658:   do "$config_cvstree"
                    659:     or fatal("500 Internal Error",
3.208     scop      660:              'Error in loading configuration file: %s<br /><br />%s<br />',
3.120     scop      661:              $config_cvstree, $@);
3.27      knu       662: }
3.31      knu       663: undef $config_cvstree;
3.1       knu       664:
3.120     scop      665: $re_prcategories  = '(?:' . join ('|', @prcategories) . ')' if @prcategories;
                    666: $re_prkeyword     = quotemeta($prkeyword) if defined($prkeyword);
                    667: $prcgi           .= '%s' if defined($prcgi) && $prcgi !~ /%s/;
1.24      wosch     668:
3.233     scop      669: $fullname         = catfile($cvsroot, $where);
3.1       knu       670:
3.63      knu       671: my $rewrite = 0;
                    672:
                    673: if ($pathinfo =~ m|//|) {
3.120     scop      674:   $pathinfo =~ y|/|/|s;
                    675:   $rewrite = 1;
3.63      knu       676: }
                    677:
3.120     scop      678: if (-d $fullname) {
                    679:   if ($pathinfo !~ m|/$|) {
                    680:     $pathinfo .= '/';
                    681:     $rewrite   = 1;
                    682:   }
                    683: } else {
                    684:   if ($pathinfo =~ m|/$|) {
                    685:     chop $pathinfo;
                    686:     $rewrite = 1;
                    687:   }
3.63      knu       688: }
                    689:
                    690: if ($rewrite) {
3.120     scop      691:   redirect($scriptname . urlencode($pathinfo) . $query);
3.1       knu       692: }
                    693:
3.63      knu       694: undef $rewrite;
                    695:
3.1       knu       696: if (!-d $cvsroot) {
3.120     scop      697:   fatal("500 Internal Error",
                    698:         '$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       699: }
                    700:
                    701: #
3.233     scop      702: # Short-circuit forbidden things.  Note that $fullname should not change
                    703: # after this, because the rest of the code assumes this check has already
                    704: # been done.
3.1       knu       705: #
3.233     scop      706: fatal('403 Forbidden', 'Access to %s forbidden.', $where)
                    707:   if forbidden($fullname);
3.46      knu       708:
                    709: #
                    710: # Handle tarball downloads before any headers are output.
                    711: #
                    712: if ($input{tarball}) {
3.120     scop      713:   fatal('403 Forbidden', 'Downloading tarballs is prohibited.')
                    714:     unless $allow_tar;
3.191     scop      715:
3.120     scop      716:   my ($module)  =  ($where =~ m,^/?(.*),);    # untaint
                    717:   $module       =~ s,/([^/]*)$,,;
3.191     scop      718:   my ($ext)     =  ($1 =~ /(\.t(?:ar\.)?gz|\.zip)$/);
3.120     scop      719:   my ($basedir) =  ($module =~ m,([^/]+)$,);
                    720:
                    721:   if ($basedir eq '' || $module eq '') {
                    722:     fatal('500 Internal Error',
                    723:           'You cannot download the top level directory.');
                    724:   }
                    725:
3.191     scop      726:   my $istar = ($ext eq '.tar.gz' || $ext eq '.tgz');
                    727:   if ($istar) {
                    728:     fatal('500 Internal Error', 'tar command not found.') unless $CMD{tar};
                    729:     fatal('500 Internal Error', 'gzip command not found.') unless $CMD{gzip};
                    730:   }
                    731:   my $iszip = ($ext eq '.zip');
                    732:   if ($iszip && !$CMD{zip}) {
                    733:     fatal('500 Internal Error', 'zip command not found.');
                    734:   }
3.215     scop      735:   if (!$istar && !$iszip) {
                    736:     fatal('500 Internal Error', 'Unsupported archive type.');
                    737:   }
3.191     scop      738:
3.138     scop      739:   my $tmpexportdir;
                    740:   eval {
                    741:     local $SIG{__DIE__};
3.171     scop      742:     # Don't use the CLEANUP argument to tempdir() here, since we might be under
                    743:     # mod_perl (the process runs for a long time), unlink explicitly later.
                    744:     $tmpexportdir = tempdir('.cvsweb.XXXXXXXX', TMPDIR => 1);
3.138     scop      745:   };
                    746:   if ($@) {
                    747:     fatal('500 Internal Error', 'Unable to make temporary directory: %s', $@);
                    748:   }
3.191     scop      749:   if (!chdir($tmpexportdir)) {
                    750:     fatal('500 Internal Error',
                    751:           "Can't cd to temporary directory %s: %s", $tmpexportdir, $!);
                    752:   }
3.120     scop      753:
                    754:   my @fatal;
3.194     scop      755:   my $tag = $input{only_with_tag} || 'HEAD';
                    756:   $tag = 'HEAD' if ($tag eq 'MAIN');
3.120     scop      757:
3.215     scop      758:   my @cmd =
3.241     scop      759:     ($CMD{cvs}, @cvs_options, '-Qd', $cvsroot, 'export', '-r', $tag,
                    760:      '-d', $basedir, $module);
3.215     scop      761:   my $export_err;
                    762:   my ($errcode, $err) = runproc(\@cmd, '2>', \$export_err);
                    763:   if ($errcode) {
                    764:     @fatal =
                    765:       ('500 Internal Error',
                    766:        'Export failure (exit status %s), output: <pre>%s</pre>',
                    767:        $errcode, $err || $export_err);
3.191     scop      768:
3.215     scop      769:   } else {
3.191     scop      770:
3.120     scop      771:     $| = 1;    # Essential to get the buffering right.
3.191     scop      772:     local (*TAR_OUT);
3.120     scop      773:
3.191     scop      774:     my (@cmd, $ctype);
                    775:     if ($istar) {
                    776:       my @tar = ($CMD{tar}, @tar_options, '-cf', '-', $basedir);
                    777:       my @gzip = ($CMD{gzip}, @gzip_options, '-c');
                    778:       push(@cmd, \@tar, '|', \@gzip);
                    779:       $ctype = 'application/x-gzip';
                    780:     } elsif ($iszip) {
                    781:       my @zip = ($CMD{zip}, @zip_options, '-r', '-', $basedir);
                    782:       push(@cmd, \@zip, \'');
                    783:       $ctype = 'application/zip';
                    784:     }
3.229     scop      785:     push(@cmd, '>pipe', \*TAR_OUT);
3.191     scop      786:
                    787:     my ($h, $err) = startproc(@cmd);
                    788:     if ($h) {
                    789:       print "Content-Type: $ctype\r\n\r\n";
                    790:       local $/ = undef;
                    791:       print <TAR_OUT>;
3.229     scop      792:       $h->finish();
3.120     scop      793:     } else {
3.215     scop      794:       @fatal = ('500 Internal Error',
                    795:                 '%s failure (exit status %s), output: <pre>%s</pre>',
                    796:                 $istar ? 'Tar' : 'Zip', $? >> 8 || -1, $err);
3.120     scop      797:     }
                    798:   }
3.46      knu       799:
3.171     scop      800:   # Clean up.
                    801:   rmtree($tmpexportdir);
3.46      knu       802:
3.120     scop      803:   &fatal(@fatal) if @fatal;
3.46      knu       804:
3.120     scop      805:   exit;
3.46      knu       806: }
                    807:
3.1       knu       808: ##############################
                    809: # View a directory
                    810: ###############################
3.46      knu       811: if (-d $fullname) {
3.233     scop      812:
3.120     scop      813:   my $dh = do { local (*DH); };
                    814:   opendir($dh, $fullname) or fatal("404 Not Found", '%s: %s', $where, $!);
3.233     scop      815:   my @dir = grep(!forbidden(catfile($fullname, $_)), readdir($dh));
3.120     scop      816:   closedir($dh);
                    817:   my @subLevelFiles = findLastModifiedSubdirs(@dir)
                    818:     if ($show_subdir_lastmod);
3.150     scop      819:   my @unreadable = getDirLogs($cvsroot, $where, @subLevelFiles);
3.120     scop      820:
                    821:   if ($where eq '/') {
                    822:     html_header($defaulttitle);
                    823:     $long_intro =~ s/!!CVSROOTdescr!!/$CVSROOTdescr{$cvstree}/g;
                    824:     print $long_intro;
                    825:   } else {
                    826:     html_header($where);
3.212     scop      827:     my $html = (-f catfile($fullname, 'README.cvs.html,v') ||
                    828:                 -f catfile($fullname, 'Attic', 'README.cvs.html,v'));
                    829:     my $text = (!$html &&
                    830:                 (-f catfile($fullname, 'README.cvs,v') ||
                    831:                  -f catfile($fullname, 'Attic', 'README.cvs,v')));
                    832:     if ($html || $text) {
                    833:       my $rev = $input{only_with_tag} || 'HEAD';
                    834:       my $cr = abs_path($cvsroot) || $cvsroot;
                    835:       my $co = "$where/README.cvs.html" if $html;
                    836:       $co ||= "$where/README.cvs" if $text;
                    837:       # abs_path() taints when run as a CGI...
                    838:       if ($cr =~ VALID_PATH) {
                    839:         $cr = $1;
                    840:       } else {
                    841:         fatal('500 Internal Error', 'Illegal CVS root: <code>%s</code>', $cr);
                    842:       }
                    843:       my @cmd = ($CMD{cvs}, @cvs_options, '-d', $cr, 'co', '-p', "-r$rev",$co);
                    844:       local (*CVS_OUT, *CVS_ERR);
                    845:       my ($h, $err) = startproc(\@cmd, \"", '>pipe', \*CVS_OUT,
3.229     scop      846:                                 '2>pipe', \*CVS_ERR);
3.212     scop      847:       fatal('500 Internal Error', $err) unless $h;
                    848:       if ($html) {
                    849:         local $/ = undef;
                    850:         print <CVS_OUT>;
                    851:       } else {
                    852:         print "<p>\n";
                    853:         while (<CVS_OUT>) {
                    854:           chomp;
                    855:           print htmlquote($_), '<br />';
                    856:         }
                    857:         print "</p>";
                    858:       }
3.229     scop      859:       $h->finish();
3.212     scop      860:     }
3.120     scop      861:     print $short_instruction;
                    862:   }
                    863:
3.165     scop      864:   if ($use_descriptions &&
                    865:       open(DESC, '<', catfile($cvsroot, 'CVSROOT', 'descriptions'))) {
3.120     scop      866:     while (<DESC>) {
                    867:       chomp;
                    868:       my ($dir, $description) = /(\S+)\s+(.*)/;
                    869:       $descriptions{$dir} = $description;
                    870:     }
                    871:     close(DESC);
                    872:   }
                    873:
                    874:   print "<p><a name=\"dirlist\"></a></p>\n";
                    875:
                    876:   # give direct access to dirs
                    877:   if ($where eq '/') {
                    878:     chooseMirror();
                    879:     chooseCVSRoot();
                    880:   } else {
3.257     scop      881:     print '<p>Current directory: <b>', clickablePath($where, 0), '</b>';
                    882:     if ($cvshistory_url) {
                    883:       (my $d = $where) =~ s|^/*(.*?)/*$|$1|;
3.258     scop      884:       print ' - ', history_link($d, '');
3.257     scop      885:     }
                    886:     print "</p>\n";
3.153     scop      887:     print "<p>Current tag: <b>", htmlquote($input{only_with_tag}), "</b></p>\n"
3.120     scop      888:       if $input{only_with_tag};
                    889:
                    890:   }
                    891:
3.208     scop      892:   print "<hr />\n";
3.120     scop      893:
3.179     scop      894:   my $infocols = 1;
3.131     scop      895:
3.199     scop      896:   printf(<<EOF, htmlquote("Index of $where"));
3.182     scop      897: <table class="dir" width="100%%" cellspacing="0" cellpadding="$tablepadding" summary="%s">
3.179     scop      898: <tr>
                    899: EOF
3.199     scop      900:   printf('<th colspan="2"%s>', ($byfile ? ' class="sorted"' : ''));
3.131     scop      901:
                    902:   if ($byfile) {
                    903:     print 'File';
                    904:   } else {
                    905:     print &link('File',
                    906:                 sprintf('./%s#dirlist', toggleQuery('sortby', 'file')));
                    907:   }
                    908:   print "</th>\n";
3.120     scop      909:
3.131     scop      910:   # Do not display the other column headers if we do not have any files
                    911:   # with revision information.
                    912:   if (scalar(%fileinfo)) {
3.120     scop      913:     $infocols++;
3.199     scop      914:     printf('<th%s>', ($byrev ? ' class="sorted"' : ''));
3.120     scop      915:
3.131     scop      916:     if ($byrev) {
                    917:       print 'Rev.';
3.120     scop      918:     } else {
3.131     scop      919:       print &link('Rev.',
                    920:                   sprintf('./%s#dirlist', toggleQuery('sortby', 'rev')));
3.120     scop      921:     }
                    922:     print "</th>\n";
3.131     scop      923:     $infocols++;
3.199     scop      924:     printf('<th%s>', ($bydate ? ' class="sorted"' : ''));
3.120     scop      925:
3.131     scop      926:     if ($bydate) {
                    927:       print 'Age';
                    928:     } else {
                    929:       print &link('Age',
                    930:                   sprintf('./%s#dirlist', toggleQuery('sortby', 'date')));
                    931:     }
                    932:     print "</th>\n";
3.120     scop      933:
3.131     scop      934:     if ($show_author) {
3.120     scop      935:       $infocols++;
3.199     scop      936:       printf('<th%s>', ($byauthor ? ' class="sorted"' : ''));
3.120     scop      937:
3.131     scop      938:       if ($byauthor) {
                    939:         print 'Author';
3.120     scop      940:       } else {
3.131     scop      941:         print
                    942:           &link('Author',
                    943:                 sprintf('./%s#dirlist', toggleQuery('sortby', 'author')));
3.120     scop      944:       }
                    945:       print "</th>\n";
3.131     scop      946:     }
                    947:     $infocols++;
3.199     scop      948:     printf('<th%s>', ($bylog ? ' class="sorted"' : ''));
3.120     scop      949:
3.131     scop      950:     if ($bylog) {
                    951:       print 'Last log entry';
                    952:     } else {
                    953:       print &link('Last log entry',
                    954:                   sprintf('./%s#dirlist', toggleQuery('sortby', 'log')));
3.120     scop      955:     }
3.131     scop      956:     print "</th>\n";
                    957:   } elsif ($use_descriptions) {
3.199     scop      958:     print "<th>Description</th>\n";
3.131     scop      959:     $infocols++;
3.120     scop      960:   }
3.131     scop      961:   print "</tr>\n";
                    962:
3.120     scop      963:   my $dirrow = 0;
                    964:
                    965:   my $i;
                    966:   lookingforattic:
                    967:   for ($i = 0; $i <= $#dir; $i++) {
                    968:     if ($dir[$i] eq "Attic") {
                    969:       last lookingforattic;
                    970:     }
                    971:   }
                    972:
3.254     scop      973:   if (!$input{hideattic}
3.120     scop      974:       && ($i <= $#dir)
                    975:       && opendir($dh, $fullname . '/Attic'))
                    976:   {
                    977:     splice(@dir, $i, 1, grep((s|^|Attic/|, !m|/\.|), readdir($dh)));
                    978:     closedir($dh);
                    979:   }
                    980:
                    981:   my $hideAtticToggleLink =
3.254     scop      982:     $input{hideattic}
3.120     scop      983:     ? ''
3.239     scop      984:     : &link('[hide]', sprintf('./%s#dirlist', &toggleQuery('hideattic')));
3.120     scop      985:
                    986:   # Sort without the Attic/ pathname.
                    987:   # place directories first
                    988:
                    989:   my $attic;
                    990:   my $url;
                    991:   my $fileurl;
                    992:   my $filesexists;
                    993:   my $filesfound;
                    994:
                    995:   foreach my $file (sort { &fileSortCmp } @dir) {
                    996:
3.196     scop      997:     next if ($file eq curdir());
3.120     scop      998:
                    999:     # ignore CVS lock and stale NFS files
                   1000:     next if ($file =~ /^\#cvs\.|^,|^\.nfs/); # \# for XEmacs cperl-mode...
                   1001:
                   1002:     # Check whether to show the CVSROOT path
3.254     scop     1003:     next if ($input{hidecvsroot} && $where eq '/' && $file eq 'CVSROOT');
3.120     scop     1004:
3.150     scop     1005:     # Is it a directory?
3.232     scop     1006:     my $isdir = -d catdir($fullname, $file);
3.150     scop     1007:
                   1008:     # Ignore non-readable files and directories?
3.254     scop     1009:     next if ($input{hidenonreadable} && (! -r _ || ($isdir && ! -x _)));
3.120     scop     1010:
                   1011:     if ($file =~ s|^Attic/||) {
3.239     scop     1012:       $attic = ' <span class="attic">(in the Attic) ' .
                   1013:         $hideAtticToggleLink . '</span>';
3.120     scop     1014:     } else {
                   1015:       $attic = '';
                   1016:     }
                   1017:
3.196     scop     1018:     if ($file eq updir() || $isdir) {
                   1019:       next if ($file eq updir() && $where eq '/');
3.152     scop     1020:       my ($rev, $date, $log, $author, $filename, $keywordsubst) =
                   1021:         @{$fileinfo{$file}} if (defined($fileinfo{$file}));
3.239     scop     1022:       printf "<tr class=\"%s\">\n<td class=\"dir\" colspan=\"2\">",
3.132     scop     1023:         ($dirrow % 2) ? 'even' : 'odd';
3.120     scop     1024:
3.196     scop     1025:       if ($file eq updir()) {
3.120     scop     1026:         $url = "../$query";
                   1027:         if ($nofilelinks) {
                   1028:           print $backicon;
                   1029:         } else {
                   1030:           print &link($backicon, $url);
                   1031:         }
                   1032:         print '&nbsp;', &link("Parent Directory", $url);
                   1033:       } else {
                   1034:         $url = './' . urlencode($file) . "/$query";
3.136     scop     1035:         print '<a name="', hrefquote($file), '"></a>';
3.120     scop     1036:
                   1037:         if ($nofilelinks) {
                   1038:           print $diricon;
                   1039:         } else {
                   1040:           print &link($diricon, $url);
                   1041:         }
3.136     scop     1042:         print '&nbsp;', &link(htmlquote("$file/"), $url), $attic;
3.120     scop     1043:
                   1044:         if ($file eq "Attic") {
3.239     scop     1045:           print ' <span class="attic">',
                   1046:             &link('[show]',
                   1047:                   sprintf('./%s#dirlist', &toggleQuery('hideattic'))),
                   1048:                     '</span>';
3.120     scop     1049:         }
                   1050:       }
                   1051:
                   1052:       # Show last change in dir
                   1053:       if ($filename) {
3.199     scop     1054:         print "</td>\n<td>&nbsp;</td>\n<td class=\"age\">";
                   1055:         print readableTime(time() - $date, 0) if $date;
                   1056:         print "</td>\n<td class=\"author\">", htmlquote($author)
                   1057:           if $show_author;
                   1058:         print "</td>\n<td class=\"log\">";
3.120     scop     1059:         $filename =~ s%^[^/]+/%%;
3.199     scop     1060:         print &link(htmlquote("$filename/$rev"),
                   1061:                     sprintf('%s/%s%s#rev%s',
3.206     scop     1062:                             uri_escape($file), uri_escape($filename),
3.208     scop     1063:                             $query, $rev)), '<br />';
3.120     scop     1064:         if ($log) {
3.199     scop     1065:           print htmlify(substr($log, 0, $shortLogLen), $allow_dir_extra);
3.120     scop     1066:           print '...' if (length($log) > 80);
                   1067:         }
3.199     scop     1068:
3.120     scop     1069:       } else {
                   1070:         my $dwhere = ($where ne '/' ? $where : '') . $file;
                   1071:
                   1072:         if ($use_descriptions && defined $descriptions{$dwhere}) {
3.199     scop     1073:           print '<td colspan="', ($infocols - 1), '">';
3.120     scop     1074:           print $descriptions{$dwhere};
                   1075:
3.131     scop     1076:         } elsif ($infocols > 1) {
3.120     scop     1077:
                   1078:           # close the row with the appropriate number of
                   1079:           # columns, so that the vertical seperators are visible
                   1080:           my ($cols) = $infocols;
                   1081:           while ($cols > 1) {
                   1082:             print "</td>\n<td>&nbsp;";
                   1083:             $cols--;
                   1084:           }
                   1085:         }
                   1086:       }
                   1087:
3.131     scop     1088:       print "</td>\n</tr>\n";
3.120     scop     1089:       $dirrow++;
3.131     scop     1090:
3.120     scop     1091:     } elsif ($file =~ s/,v$//) {
                   1092:
                   1093:       $fileurl   = ($attic ? 'Attic/' : '') . urlencode($file);
                   1094:       $url       = './' . $fileurl . $query;
                   1095:       $filesexists++;
                   1096:       next if (!defined($fileinfo{$file}));
3.152     scop     1097:       my ($rev, $date, $log, $author, $filename, $keywordsubst) =
                   1098:         @{$fileinfo{$file}};
3.156     scop     1099:       my $isbinary = $keywordsubst eq 'b' ? 1 : 0;
3.120     scop     1100:       $filesfound++;
3.156     scop     1101:
3.199     scop     1102:       printf "<tr class=\"%s\">\n", ($dirrow % 2) ? 'even' : 'odd';
3.239     scop     1103:       printf '<td class="file"%s>', $allow_cvsgraph ? '' : ' colspan="2"';
3.120     scop     1104:
3.156     scop     1105:       my $icon = $isbinary ? $binfileicon : $fileicon;
3.120     scop     1106:       if ($nofilelinks) {
3.152     scop     1107:         print $icon;
3.120     scop     1108:       } else {
3.152     scop     1109:         print &link($icon, $url);
3.120     scop     1110:       }
                   1111:       print '&nbsp;', &link(htmlquote($file), $url), $attic;
3.199     scop     1112:       print '</td><td class="graph">', graph_link($fileurl) if $allow_cvsgraph;
3.219     scop     1113:       print "</td>\n<td width=\"30\">", display_link($fileurl, $rev);
3.199     scop     1114:       print "</td>\n<td class=\"age\">";
                   1115:       print readableTime(time() - $date, 0) if $date;
                   1116:       print "</td>\n<td class=\"author\">", htmlquote($author) if $show_author;
                   1117:       print "</td>\n<td class=\"log\">";
3.120     scop     1118:
                   1119:       if ($log) {
3.199     scop     1120:         print htmlify(substr($log, 0, $shortLogLen), $allow_dir_extra);
3.120     scop     1121:         print '...' if (length $log > 80);
                   1122:       }
3.131     scop     1123:       print "</td>\n</tr>";
3.120     scop     1124:       $dirrow++;
                   1125:     }
                   1126:     print "\n";
                   1127:   }
                   1128:
3.131     scop     1129:   print "</table>\n";
3.120     scop     1130:
3.150     scop     1131:   if ((my $num = scalar(@unreadable)) && ! $input{hidenonreadable}) {
                   1132:     printf(<<EOF, $num, htmlquote(join(', ', @unreadable)));
                   1133: <p>
3.208     scop     1134:  <b>NOTE:</b> The following %d unreadable files were ignored:<br />
3.150     scop     1135:  <em>%s</em>
                   1136: </p>
                   1137: EOF
                   1138:   }
                   1139:
3.120     scop     1140:   if ($filesexists && !$filesfound) {
3.150     scop     1141:     my $currtag = defined($input{only_with_tag}) ?
                   1142:       sprintf(' (%s)', htmlquote($input{only_with_tag})) : '';
                   1143:     printf(<<EOF, $filesexists, $currtag);
                   1144: <p>
                   1145:  <b>NOTE:</b> There are %d files, but none matches the current tag%s.
                   1146: </p>
                   1147: EOF
3.120     scop     1148:   }
                   1149:
                   1150:   if ($input{only_with_tag} && (!%tags || !$tags{$input{only_with_tag}})) {
                   1151:     %tags = %alltags;
                   1152:   }
                   1153:
                   1154:   if (scalar %tags
                   1155:       || $input{only_with_tag}
                   1156:       || $edit_option_form
3.254     scop     1157:       || defined($input{options}))
3.120     scop     1158:   {
3.208     scop     1159:     print "<hr />\n";
3.120     scop     1160:   }
                   1161:
                   1162:   if (scalar %tags || $input{only_with_tag}) {
3.208     scop     1163:     print "<form method=\"get\" action=\"./\">\n<p>\n";
3.120     scop     1164:     foreach my $var (@stickyvars) {
3.208     scop     1165:       printf("<input type=\"hidden\" name=\"$var\" value=\"%s\" />\n",
3.154     scop     1166:              htmlquote($input{$var}))
3.120     scop     1167:         if (defined($input{$var})
                   1168:             && (!defined($DEFAULTVALUE{$var})
                   1169:                 || $input{$var} ne $DEFAULTVALUE{$var})
                   1170:             && $var ne 'only_with_tag');
                   1171:     }
3.208     scop     1172:     printf(<<EOF, ($use_java_script ? ' onchange="this.form.submit()"' : ''));
3.239     scop     1173: <span class="nowrap">
3.208     scop     1174: <label for="only_with_tag" accesskey="T">Show only files with tag:
                   1175: <select id="only_with_tag" name="only_with_tag"%s>
                   1176: <option value="">All tags / default branch</option>
                   1177: EOF
3.120     scop     1178:     foreach my $tag (reverse sort { lc $a cmp lc $b } keys %tags) {
3.136     scop     1179:       my $selected =
                   1180:         defined($input{only_with_tag}) && $input{only_with_tag} eq $tag;
                   1181:       printf("<option%s>%s</option>\n",
3.208     scop     1182:              $selected ? ' selected="selected"' : '',
3.136     scop     1183:              htmlquote($tag));
3.120     scop     1184:     }
3.208     scop     1185:     printf(<<EOF, htmlquote($where));
                   1186: </select>
3.239     scop     1187: </label></span> <span class="nowrap">
                   1188: <label for="path" accesskey="P">Module path or alias:
3.208     scop     1189: <input type="text" id="path" name="path" value="%s" size="15" /></label>
3.239     scop     1190: </span>
3.208     scop     1191: <input type="submit" value="Go" accesskey="G" />
                   1192: </p>
                   1193: </form>
                   1194: EOF
3.120     scop     1195:   }
                   1196:
3.188     scop     1197:   if ($allow_tar && $filesfound) {
3.120     scop     1198:     my ($basefile) = ($where =~ m,(?:.*/)?([^/]+),);
3.192     scop     1199:     my $havetar = $CMD{tar} && $CMD{gzip};
                   1200:     my $havezip = $CMD{zip};
                   1201:     if (defined($basefile) && $basefile ne '' && ($havetar || $havezip)) {
3.203     scop     1202:       my $q = ($query ? "$query;" : '?') . 'tarball=1';
3.208     scop     1203:       print "<hr />\n",
3.189     scop     1204:         '<div style="text-align: center">Download this directory in ';
3.192     scop     1205:       # Mangle the filename so browsers show a reasonable filename to download.
                   1206:       my @types = ();
                   1207:       push(@types, &link('tarball', "$basefile.tar.gz$q")) if $havetar;
                   1208:       push(@types, &link('zip archive', "$basefile.zip$q")) if $havezip;
                   1209:       print join(' or ', @types), "</div>\n";
3.120     scop     1210:     }
                   1211:   }
                   1212:
3.254     scop     1213:   if ($edit_option_form || defined($input{options})) {
3.120     scop     1214:
                   1215:     my $formwhere = $scriptwhere;
3.254     scop     1216:     $formwhere =~ s|Attic/?$|| if $input{hideattic};
3.120     scop     1217:
3.149     scop     1218:     print <<EOF;
                   1219: <form method="get" action="${formwhere}">
3.189     scop     1220: <fieldset>
                   1221: <legend>General options</legend>
3.208     scop     1222: <input type="hidden" name="copt" value="1" />
3.149     scop     1223: EOF
3.120     scop     1224:     if ($cvstree ne $cvstreedefault) {
3.208     scop     1225:       print "<input type=\"hidden\" name=\"cvsroot\" value=\"$cvstree\" />\n";
3.120     scop     1226:     }
3.149     scop     1227:     print <<EOF;
3.189     scop     1228: <table>
3.149     scop     1229: <tr>
3.189     scop     1230: <td class="opt-label">
                   1231: <label for="sortby" accesskey="F">Sort files by:</label>
                   1232: </td>
                   1233: <td class="opt-value">
3.149     scop     1234: <select id="sortby" name="sortby">
                   1235: <option value="">File</option>
                   1236: EOF
3.208     scop     1237:     print "<option", $bydate ? ' selected="selected"' : '',
3.120     scop     1238:       " value=\"date\">Age</option>\n";
3.208     scop     1239:     print "<option", $byauthor ? ' selected="selected"' : '',
3.120     scop     1240:       " value=\"author\">Author</option>\n"
3.140     scop     1241:         if $show_author;
3.208     scop     1242:     print "<option", $byrev ? ' selected="selected"' : '',
3.120     scop     1243:       " value=\"rev\">Revision</option>\n";
3.208     scop     1244:     print "<option", $bylog ? ' selected="selected"' : '',
3.120     scop     1245:       " value=\"log\">Log message</option>\n";
3.189     scop     1246:     print <<EOF;
                   1247: </select>,
                   1248: <label for="ignorecase" accesskey="I">case-insensitive:
                   1249: EOF
                   1250:     print '<input id="ignorecase" name="ignorecase" type="checkbox"',
3.208     scop     1251:       $input{ignorecase} ? ' checked="checked"' : '',
                   1252:         " value=\"1\" /></label>\n";
3.189     scop     1253:     print <<EOF;
                   1254: </td>
                   1255: <td class="opt-label">
                   1256: <label for="hideattic" accesskey="A">Hide files in Attic:</label>
                   1257: </td>
                   1258: <td class="opt-value">
                   1259: EOF
                   1260:     print '<input id="hideattic" name="hideattic" type="checkbox"',
3.208     scop     1261:       $input{hideattic} ? ' checked="checked"' : '', ' value="1" />';
3.189     scop     1262:     print <<EOF;
                   1263: </td>
                   1264: </tr>
                   1265: <tr>
                   1266: <td class="opt-label">
                   1267: <label for="logsort" accesskey="L">Sort log by:</label>
                   1268: </td>
                   1269: <td class="opt-value">
                   1270: EOF
3.120     scop     1271:     printLogSortSelect(0);
3.189     scop     1272:     print <<EOF;
                   1273: </td>
                   1274: <td class="opt-label">
                   1275: <label for="ln" accesskey="N">Show line numbers:</label>
                   1276: </td>
                   1277: <td class="opt-value">
                   1278: EOF
                   1279:     print '<input id="ln" name="ln" type="checkbox"',
3.208     scop     1280:       $input{ln} ? ' checked="checked"' : '', " value=\"1\" />\n";
3.189     scop     1281:     print <<EOF;
                   1282: </td>
                   1283: </tr>
                   1284: <tr>
                   1285: <td class="opt-label">
                   1286: <label for="f" accesskey="D">Diff format:</label>
                   1287: </td>
                   1288: <td>
                   1289: EOF
3.120     scop     1290:     printDiffSelect(0);
3.149     scop     1291:     print <<EOF;
3.189     scop     1292: </td>
                   1293: <td colspan="2" class="opt-label">
3.208     scop     1294: <input type="submit" value="Change Options" accesskey="C" />
3.189     scop     1295: </td>
3.149     scop     1296: </tr>
                   1297: </table>
3.189     scop     1298: </fieldset>
3.149     scop     1299: </form>
                   1300: EOF
3.120     scop     1301:   }
                   1302:   html_footer();
3.80      knu      1303: }
3.1       knu      1304:
                   1305: ###############################
                   1306: # View Files
                   1307: ###############################
3.80      knu      1308: elsif (-f $fullname . ',v') {
3.114     scop     1309:
3.254     scop     1310:   if (defined($input{rev}) || $doCheckout) {
3.253     scop     1311:     &doCheckout($fullname, $input{rev});
3.120     scop     1312:     gzipclose();
                   1313:     exit;
                   1314:   }
                   1315:
3.254     scop     1316:   if (defined($input{annotate}) && $allow_annotate) {
                   1317:     &doAnnotate($input{annotate});
3.120     scop     1318:     gzipclose();
                   1319:     exit;
                   1320:   }
                   1321:
3.254     scop     1322:   if (defined($input{r1}) && defined($input{r2})) {
                   1323:     &doDiff($fullname,  $input{r1},  $input{tr1},
                   1324:             $input{r2}, $input{tr2}, $input{f});
3.120     scop     1325:     gzipclose();
                   1326:     exit;
                   1327:   }
3.132     scop     1328:
3.170     scop     1329:   if ($allow_cvsgraph && $input{graph}) {
                   1330:     if ($input{makeimage}) {
                   1331:       doGraph();
3.132     scop     1332:     } else {
3.170     scop     1333:       doGraphView();
3.132     scop     1334:     }
                   1335:     gzipclose();
                   1336:     exit;
                   1337:   }
                   1338:
3.120     scop     1339:   &doLog($fullname);
                   1340:
                   1341:   ##############################
                   1342:   # View Diff
                   1343:   ##############################
                   1344: } elsif ($fullname =~ s/\.diff$//
3.254     scop     1345:          && -f $fullname . ',v' && $input{r1} && $input{r2})
3.120     scop     1346: {
                   1347:
                   1348:   # $where-diff-removal if 'cvs rdiff' is used
                   1349:   # .. but 'cvs rdiff'doesn't support some options
                   1350:   # rcsdiff does (-w and -p), so it is disabled
                   1351:   # $where =~ s/\.diff$//;
                   1352:
3.189     scop     1353:   # Allow diffs using the ".diff" extension so that browsers that default
                   1354:   # to the filename in the URL when saving don't save diffs as eg. foo.c.
3.254     scop     1355:   &doDiff($fullname,  $input{r1},  $input{tr1},
                   1356:           $input{r2}, $input{tr2}, $input{f});
3.120     scop     1357:   gzipclose();
                   1358:   exit;
                   1359: } elsif (($newname = $fullname) =~ s|/([^/]+)$|/Attic/$1|
                   1360:   && -f $newname . ",v")
                   1361: {
                   1362:
                   1363:   # The file has been removed and is in the Attic.
                   1364:   # Send a redirect pointing to the file in the Attic.
                   1365:   (my $newplace = $scriptwhere) =~ s|/([^/]+)$|/Attic/$1|;
                   1366:   if ($ENV{QUERY_STRING} ne "") {
                   1367:     redirect("${newplace}?$ENV{QUERY_STRING}");
                   1368:   } else {
                   1369:     redirect($newplace);
                   1370:   }
                   1371:   exit;
3.80      knu      1372: } elsif (0 && (my @files = &safeglob($fullname . ",v"))) {
3.120     scop     1373:   http_header("text/plain");
                   1374:   print "You matched the following files:\n";
                   1375:   print join ("\n", @files);
3.80      knu      1376:
3.120     scop     1377:   # Find the tags from each file
                   1378:   # Display a form offering diffs between said tags
3.80      knu      1379: } else {
3.120     scop     1380:   my $fh = do { local (*FH); };
3.233     scop     1381:   my $module;
3.80      knu      1382:
3.120     scop     1383:   # Assume it's a module name with a potential path following it.
3.233     scop     1384:   my $xtra = (($module = $where) =~ s|/.*||) ? $& : '';
3.80      knu      1385:
3.120     scop     1386:   # Is there an indexed version of modules?
                   1387:   if (open($fh, "< $cvsroot/CVSROOT/modules")) {
                   1388:     while (<$fh>) {
                   1389:       if (/^(\S+)\s+(\S+)/o
                   1390:           && $module eq $1
                   1391:           && -d "$cvsroot/$2"
                   1392:           && $module ne $2)
                   1393:       {
                   1394:         redirect("$scriptname/$2$xtra$query");
                   1395:       }
                   1396:     }
                   1397:   }
                   1398:   fatal("404 Not Found", '%s: no such file or directory', $where);
3.80      knu      1399: }
3.23      knu      1400:
3.25      knu      1401: gzipclose();
3.80      knu      1402:
3.1       knu      1403: ## End MAIN
                   1404:
3.175     scop     1405:
3.120     scop     1406: sub printDiffSelect($)
                   1407: {
                   1408:   my ($use_java_script) = @_;
                   1409:
                   1410:   print '<select id="f" name="f"';
                   1411:   print ' onchange="this.form.submit()"' if $use_java_script;
                   1412:   print ">\n";
                   1413:
3.175     scop     1414:   for my $difftype (@DIFFTYPES) {
3.120     scop     1415:     printf("<option value=\"%s\"%s>%s</option>\n",
3.208     scop     1416:            $difftype, $input{f} eq $difftype ? ' selected="selected"' : '',
3.175     scop     1417:            "\u$DIFFTYPES{$difftype}{descr}");
3.120     scop     1418:   }
                   1419:
                   1420:   print "</select>";
                   1421: }
                   1422:
3.175     scop     1423:
3.168     scop     1424: sub printDiffSelectStickyVars()
                   1425: {
                   1426:   while (my ($key, $val) = each %input) {
                   1427:     next if ($key eq 'f');
                   1428:     next if (defined($DEFAULTVALUE{$key}) && $DEFAULTVALUE{$key} eq $val);
3.206     scop     1429:     print "<input type=\"hidden\" name=\"", htmlquote($key), "\" value=\"",
3.208     scop     1430:       htmlquote($val), "\" />\n";
3.168     scop     1431:   }
                   1432: }
                   1433:
3.175     scop     1434:
3.120     scop     1435: sub printLogSortSelect($)
                   1436: {
                   1437:   my ($use_java_script) = @_;
                   1438:
                   1439:   print '<select id="logsort" name="logsort"';
                   1440:   print ' onchange="this.form.submit()"' if $use_java_script;
                   1441:   print ">\n";
                   1442:
3.175     scop     1443:   for my $sortkey (@LOGSORTKEYS) {
3.120     scop     1444:     printf("<option value=\"%s\"%s>%s</option>\n",
3.208     scop     1445:            $sortkey, $logsort eq $sortkey ? ' selected="selected"' : '',
3.175     scop     1446:            "\u$LOGSORTKEYS{$sortkey}{descr}");
3.120     scop     1447:   }
                   1448:
                   1449:   print "</select>";
                   1450: }
                   1451:
3.175     scop     1452:
3.197     scop     1453: #
                   1454: # Find the last modified, version controlled files in the given directories.
                   1455: # Compares solely based on modification timestamps.  Files in the returned list
                   1456: # are without the ,v suffix, and unreadable files have been filtered out.
                   1457: #
3.120     scop     1458: sub findLastModifiedSubdirs(@)
                   1459: {
                   1460:   my (@dirs) = @_;
                   1461:
3.175     scop     1462:   my @files;
                   1463:   foreach my $dirname (@dirs) {
3.196     scop     1464:     next if ($dirname eq curdir() || $dirname eq updir());
                   1465:     my $dir = catdir($fullname, $dirname);
3.120     scop     1466:     next if (!-d $dir);
                   1467:
                   1468:     my $dh = do { local (*DH); };
                   1469:     opendir($dh, $dir) or next;
3.233     scop     1470:     my (@filenames) = grep(!forbidden(catfile($dir, $_)), readdir($dh));
3.120     scop     1471:     closedir($dh);
                   1472:
3.175     scop     1473:     my $lastmod     = undef;
                   1474:     my $lastmodtime = undef;
3.120     scop     1475:     foreach my $filename (@filenames) {
3.197     scop     1476:       ($filename) =
                   1477:         (catfile($dirname, $filename) =~ VALID_PATH) or next; # untaint
3.196     scop     1478:       my ($file) = catfile($fullname, $filename);
3.197     scop     1479:       next if ($filename !~ /,v$/o || !-f $file || !-r _);
                   1480:       my $modtime = -M _;
3.120     scop     1481:       if (!defined($lastmod) || $modtime < $lastmodtime) {
3.233     scop     1482:         ($lastmod    = $filename) =~ s/,v$//;
3.120     scop     1483:         $lastmodtime = $modtime;
                   1484:       }
                   1485:     }
3.175     scop     1486:     push(@files, $lastmod) if (defined($lastmod));
3.120     scop     1487:   }
                   1488:   return @files;
                   1489: }
                   1490:
3.175     scop     1491:
3.120     scop     1492: sub htmlify_sub(&$)
                   1493: {
                   1494:   (my $proc, local $_) = @_;
                   1495:   my @a = split (m`(<a [^>]+>[^<]*</a>)`i);
                   1496:   my $linked;
                   1497:   my $result = '';
                   1498:
                   1499:   while (($_, $linked) = splice(@a, 0, 2)) {
                   1500:     &$proc();
                   1501:     $result .= $_      if defined($_);
                   1502:     $result .= $linked if defined($linked);
                   1503:   }
                   1504:
3.175     scop     1505:   return $result;
3.120     scop     1506: }
                   1507:
3.175     scop     1508:
3.120     scop     1509: sub htmlify($;$)
                   1510: {
                   1511:   (local $_, my $extra) = @_;
                   1512:
                   1513:   $_ = htmlquote($_);
                   1514:
                   1515:   # get URL's as link
                   1516:   s{
3.130     scop     1517:     ((https?|ftp)://.+?)([\s\']|&(quot|[lg]t);)
3.120     scop     1518:    }{
3.130     scop     1519:      &link($1, htmlunquote($1)) . $3
3.120     scop     1520:    }egx;
                   1521:
                   1522:   # get e-mails as link
                   1523:   $_ = htmlify_sub {
                   1524:     s<
                   1525:       [\w+=\-.!]+@[\w\-]+(\.[\w\-]+)+
                   1526:      ><
                   1527:        &link($&, "mailto:$&")
                   1528:      >egix;
                   1529:   } $_;
                   1530:
                   1531:   if ($extra) {
                   1532:
                   1533:     # get PR #'s as link: "PR#nnnn" "PR: nnnn, ..." "PR nnnn, ..." "bin/nnnn"
                   1534:     if (defined($prcgi) && defined($re_prkeyword)) {
                   1535:       my $prev;
                   1536:
                   1537:       do {
                   1538:         $prev = $_;
                   1539:
                   1540:         $_ = htmlify_sub {
                   1541:           s{
                   1542:             (\b$re_prkeyword[:\#]?\s*
                   1543:              (?:
                   1544:               \#?
                   1545:               \d+[,\s]\s*
                   1546:              )*
                   1547:              \#?)
                   1548:             (\d+)\b
                   1549:            }{
                   1550:              $1 . &link($2, sprintf($prcgi, $2))
                   1551:            }egix;
                   1552:         } $_;
                   1553:       } while ($_ ne $prev);
                   1554:
                   1555:       if (defined($re_prcategories)) {
                   1556:         $_ = htmlify_sub {
                   1557:           s{
                   1558:             (\b$re_prcategories/(\d+)\b)
                   1559:            }{
                   1560:              &link($1, sprintf($prcgi, $2))
                   1561:            }egox;
                   1562:         } $_;
                   1563:       }
                   1564:     }
                   1565:
                   1566:     # get manpage specs as link: "foo.1" "foo(1)"
                   1567:     if (defined($mancgi)) {
                   1568:       $_ = htmlify_sub {
                   1569:         s{
3.143     knu      1570:           (
                   1571:            \b ( \w[\w+\-.]* (?: ::\w[\w+\-.]*)* )
3.120     scop     1572:            (?:
3.143     knu      1573:             \( ([0-9n]) \) \B
3.120     scop     1574:             |
3.143     knu      1575:             \. ([0-9n]) \b
3.120     scop     1576:            )
                   1577:           )
                   1578:          }{
3.149     scop     1579:             my($text, $name, $section) = ($1, $2, defined($3) ? $3 : $4);
                   1580:             ($name =~ /[A-Za-z]/ && $name !~ /\.(:|$)/)
                   1581:              ? &link($text, sprintf($mancgi, $section, $name))
                   1582:               : $text;
3.120     scop     1583:          }egx;
                   1584:       } $_;
                   1585:     }
                   1586:   }
                   1587:
3.175     scop     1588:   return $_;
3.120     scop     1589: }
                   1590:
3.175     scop     1591:
3.120     scop     1592: sub spacedHtmlText($;$)
                   1593: {
3.175     scop     1594:   (local $_, my $ts) = @_;
3.224     scop     1595:   return '' unless defined($_);
3.175     scop     1596:   $ts ||= $tabstop;
3.120     scop     1597:
                   1598:   # Cut trailing spaces and tabs
                   1599:   s/[ \t]+$//;
                   1600:
                   1601:   if (defined($ts)) {
                   1602:
                   1603:     # Expand tabs
                   1604:     1 while s/\t+/' ' x (length($&) * $ts - length($`) % $ts)/e;
                   1605:   }
                   1606:
                   1607:   # replace <tab> and <space> (\001 is to protect us from htmlify)
                   1608:   # gzip can make excellent use of this repeating pattern :-)
                   1609:   if ($hr_breakable) {
                   1610:
                   1611:     # make every other space 'breakable'
                   1612:     s/  / \001nbsp;/g;    # 2 * <space>
                   1613:                           # leave single space as it is
                   1614:   } else {
                   1615:     s/ /\001nbsp;/g;
                   1616:   }
                   1617:
                   1618:   $_ = htmlify($_, $allow_source_extra);
                   1619:
                   1620:   # unescape
                   1621:   y/\001/&/;
                   1622:
                   1623:   return $_;
                   1624: }
                   1625:
3.175     scop     1626:
3.120     scop     1627: # Note that this doesn't htmlquote the first argument...
                   1628: sub link($$)
                   1629: {
                   1630:   my ($name, $url) = @_;
                   1631:
                   1632:   $url =~ s/:/sprintf("%%%02x", ord($&))/eg
                   1633:     if $url =~ /^[^a-z]/;    # relative
                   1634:
                   1635:   sprintf '<a href="%s">%s</a>', hrefquote($url), $name;
                   1636: }
                   1637:
3.175     scop     1638:
3.120     scop     1639: sub revcmp($$)
                   1640: {
                   1641:   my ($rev1, $rev2) = @_;
                   1642:
                   1643:   # make no comparison for a tag or a branch
                   1644:   return 0 if $rev1 =~ /[^\d.]/ || $rev2 =~ /[^\d.]/;
                   1645:
                   1646:   my (@r1) = split (/\./, $rev1);
                   1647:   my (@r2) = split (/\./, $rev2);
                   1648:   my ($a, $b);
                   1649:
                   1650:   while (($a = shift (@r1)) && ($b = shift (@r2))) {
                   1651:     if ($a != $b) {
                   1652:       return $a <=> $b;
                   1653:     }
                   1654:   }
                   1655:   if (@r1) { return  1; }
                   1656:   if (@r2) { return -1; }
                   1657:   return 0;
                   1658: }
                   1659:
3.175     scop     1660:
3.120     scop     1661: sub fatal($$@)
                   1662: {
                   1663:   my ($errcode, $format, @args) = @_;
3.185     scop     1664:   print "Status: $errcode\r\n";
3.131     scop     1665:   html_header('Error');
3.215     scop     1666:   print '<div id="error">Error: ',
                   1667:     sprintf($format, map(htmlquote($_), @args)), "</div>\n";
3.120     scop     1668:   html_footer();
                   1669:   exit(1);
                   1670: }
                   1671:
3.175     scop     1672:
3.120     scop     1673: sub redirect($)
                   1674: {
                   1675:   my ($url) = @_;
3.185     scop     1676:   print "Status: 301 Moved\r\n", "Location: $url\r\n";
3.131     scop     1677:   html_header('Moved');
3.120     scop     1678:   print "<p>This document is located ", &link('here', $url), "</p>\n";
                   1679:   html_footer();
                   1680:   exit(1);
                   1681: }
                   1682:
3.175     scop     1683:
3.120     scop     1684: sub safeglob($)
                   1685: {
                   1686:   my ($filename) = @_;
                   1687:
3.175     scop     1688:   (my $dirname = $filename) =~ s|/[^/]+$||;
3.120     scop     1689:   $filename =~ s|.*/||;
                   1690:
3.175     scop     1691:   my @results;
                   1692:   my $dh = do { local (*DH); };
3.120     scop     1693:   if (opendir($dh, $dirname)) {
                   1694:     my $glob = $filename;
                   1695:     my $t;
                   1696:
3.149     scop     1697:     #   transform filename from glob to regex.  Deal with:
                   1698:     #   [, {, ?, * as glob chars
                   1699:     #   make sure to escape all other regex chars
3.120     scop     1700:     $glob =~ s/([\.\(\)\|\+])/\\$1/g;
                   1701:     $glob =~ s/\*/.*/g;
                   1702:     $glob =~ s/\?/./g;
                   1703:     $glob =~ s/{([^}]+)}/($t = $1) =~ s-,-|-g; "($t)"/eg;
3.222     scop     1704:     $glob = qr/^$glob$/;
                   1705:
3.120     scop     1706:     foreach (readdir($dh)) {
3.222     scop     1707:       if ($_ =~ $glob && $_ =~ VALID_PATH) {
3.194     scop     1708:         push(@results, catfile($dirname, $1)); # untaint
3.120     scop     1709:       }
                   1710:     }
                   1711:     closedir($dh);
                   1712:   }
                   1713:
3.175     scop     1714:   return @results;
3.120     scop     1715: }
                   1716:
3.160     scop     1717:
3.227     scop     1718: #
3.230     scop     1719: # Searches @command_path for the given executable file.
3.227     scop     1720: #
3.120     scop     1721: sub search_path($)
                   1722: {
                   1723:   my ($command) = @_;
3.230     scop     1724:   for my $d (@command_path) {
3.227     scop     1725:     my $cmd = catfile($d, $command);
                   1726:     return $cmd if (-x $cmd && !-d _);
3.120     scop     1727:   }
                   1728:   return '';
                   1729: }
                   1730:
3.156     scop     1731:
3.219     scop     1732: #
                   1733: # Gets the enscript(1) highlight mode corresponding to the given filename,
                   1734: # or undef if unsupported.
                   1735: #
                   1736: sub getEnscriptHL($)
                   1737: {
                   1738:   return undef unless $allow_enscript;
                   1739:   my ($filename) = @_;
                   1740:   while (my ($hl, $regex) = each %enscript_types) {
                   1741:     return $hl if ($filename =~ $regex);
                   1742:   }
                   1743:   return undef;
                   1744: }
                   1745:
                   1746:
                   1747: #
                   1748: # Gets the MIME type for the given file name.
                   1749: #
3.156     scop     1750: sub getMimeType($;$)
3.120     scop     1751: {
3.156     scop     1752:   my ($fullname, $binary) = @_;
                   1753:   $binary = ($keywordsubstitution && $keywordsubstitution =~ /b/)
                   1754:     unless defined($binary);
                   1755:
                   1756:   (my $suffix = $fullname) =~ s/^.*\.([^.]*)$/$1/;
                   1757:
                   1758:   my $mimetype = $MTYPES{$suffix};
                   1759:   $mimetype  ||= $MimeTypes->mimeTypeOf($fullname) if defined($MimeTypes);
                   1760:
                   1761:   if (!$mimetype && $suffix ne '*' && -f $mime_types && -r _) {
                   1762:     my $fh = do { local (*FH); };
                   1763:     if (open($fh, $mime_types)) {
                   1764:       my $re = sprintf('^\s*(\S+\/\S+)\s.+\b%s\b', quotemeta($suffix));
3.222     scop     1765:       $re = qr/$re/;
3.156     scop     1766:       while (my $line = <$fh>) {
                   1767:         if ($line =~ $re) {
                   1768:           $mimetype = $1;
                   1769:           $MTYPES{$suffix} = $mimetype;
                   1770:           last;
                   1771:         }
3.120     scop     1772:       }
3.156     scop     1773:       close($fh);
                   1774:     } else {
                   1775:       warn("Can't open MIME types file $mime_types for reading: $!");
3.120     scop     1776:     }
                   1777:   }
                   1778:
3.156     scop     1779:   $mimetype ||= $MTYPES{'*'};
                   1780:   $mimetype ||= $binary ? 'application/octet-stream' : 'text/plain';
3.120     scop     1781:   return $mimetype;
3.1       knu      1782: }
                   1783:
3.156     scop     1784:
3.1       knu      1785: ###############################
3.24      knu      1786: # read first lines like head(1)
                   1787: ###############################
3.120     scop     1788: sub head($;$)
                   1789: {
3.175     scop     1790:   my ($fh, $linecount) = @_;
                   1791:   $linecount ||= 10;
3.24      knu      1792:
3.120     scop     1793:   my @buf;
                   1794:   if ($linecount > 0) {
3.184     scop     1795:     for (my $i = 0; !eof($fh) && $i < $linecount; $i++) {
3.120     scop     1796:       push @buf, scalar <$fh>;
                   1797:     }
                   1798:   } else {
                   1799:     @buf = <$fh>;
                   1800:   }
3.175     scop     1801:   return @buf;
                   1802: }
3.120     scop     1803:
3.24      knu      1804:
                   1805: ###############################
                   1806: # scan vim and Emacs directives
                   1807: ###############################
3.120     scop     1808: sub scan_directives(@)
                   1809: {
                   1810:   my $ts = undef;
3.24      knu      1811:
3.120     scop     1812:   for (@_) {
                   1813:     $ts = $1 if /\b(?:ts|tabstop|tab-width)[:=]\s*([1-9]\d*)\b/;
                   1814:   }
3.24      knu      1815:
3.120     scop     1816:   ('tabstop' => $ts);
3.24      knu      1817: }
                   1818:
3.175     scop     1819:
3.120     scop     1820: sub openOutputFilter()
                   1821: {
3.175     scop     1822:   return unless $output_filter;
3.86      knu      1823:
3.120     scop     1824:   open(STDOUT, "|-") and return;
3.86      knu      1825:
3.120     scop     1826:   # child of child
3.165     scop     1827:   open(STDERR, '>', devnull());
3.120     scop     1828:   exec($output_filter) or exit -1;
3.86      knu      1829: }
                   1830:
3.175     scop     1831:
3.24      knu      1832: ###############################
3.1       knu      1833: # show Annotation
                   1834: ###############################
3.133     scop     1835: sub doAnnotate($)
3.120     scop     1836: {
                   1837:   my ($rev) = @_;
3.174     scop     1838:   (my $pathname = $where) =~ s/(Attic\/)?[^\/]*$//;
                   1839:   (my $filename = $where) =~ s/^.*\///;
3.126     scop     1840:
3.174     scop     1841:   # This annotate version is based on the cvs annotate-demo Perl script by
                   1842:   # Cyclic Software.  It was written by Cyclic Software,
                   1843:   # http://www.cyclic.com/, and is in the public domain.
                   1844:   # We could abandon the use of rlog, rcsdiff and co using
                   1845:   # the cvs server in a similiar way one day (..after rewrite).
                   1846:
                   1847:   local (*CVS_IN, *CVS_OUT);
3.215     scop     1848:   my $annotate_err;
3.174     scop     1849:   my ($h, $err) =
                   1850:     startproc([ $CMD{cvs}, @annotate_options, 'server' ],
3.215     scop     1851:               '<pipe', \*CVS_IN, '>pipe', \*CVS_OUT,
3.229     scop     1852:               '2>', \$annotate_err);
3.215     scop     1853:   fatal('500 Internal Error',
                   1854:         'Annotate failure (exit status %s), output: <pre>%s</pre>',
                   1855:         $? >> 8 || -1, $err)
                   1856:     unless $h;
3.120     scop     1857:
                   1858:   # OK, first send the request to the server.  A simplified example is:
                   1859:   #     Root /home/kingdon/zwork/cvsroot
                   1860:   #     Argument foo/xx
                   1861:   #     Directory foo
                   1862:   #     /home/kingdon/zwork/cvsroot/foo
                   1863:   #     Directory .
                   1864:   #     /home/kingdon/zwork/cvsroot
                   1865:   #     annotate
                   1866:   # although as you can see there are a few more details.
                   1867:
3.174     scop     1868:   print CVS_IN "Root $cvsroot\n";
                   1869:   print CVS_IN
3.120     scop     1870:     "Valid-responses ok error Valid-requests Checked-in Updated Merged Removed M E\n";
                   1871:
                   1872:   # Don't worry about sending valid-requests, the server just needs to
                   1873:   # support "annotate" and if it doesn't, there isn't anything to be done.
3.174     scop     1874:   print CVS_IN "UseUnchanged\n";
                   1875:   print CVS_IN "Argument -r\n";
                   1876:   print CVS_IN "Argument $rev\n";
                   1877:   print CVS_IN "Argument $where\n";
3.120     scop     1878:
                   1879:   # The protocol requires us to fully fake a working directory (at
                   1880:   # least to the point of including the directories down to the one
                   1881:   # containing the file in question).
3.123     scop     1882:   # So if $where is "dir/sdir/file", then dirs will be ("dir","sdir","file")
                   1883:   my $path = '';
                   1884:   foreach my $dir (split('/', $where)) {
3.120     scop     1885:
                   1886:     if ($path eq "") {
3.123     scop     1887:       # In our example, $dir is "dir".
                   1888:       $path = $dir;
3.120     scop     1889:     } else {
3.174     scop     1890:       print CVS_IN "Directory $path\n";
                   1891:       print CVS_IN "$cvsroot/$path\n";
3.120     scop     1892:
                   1893:       # In our example, $_ is "sdir" and $path becomes "dir/sdir"
                   1894:       # And the next time, "file" and "dir/sdir/file" (which then gets
                   1895:       # ignored, because we don't need to send Directory for the file).
3.123     scop     1896:       $path .= "/$dir";
3.120     scop     1897:     }
                   1898:   }
3.123     scop     1899:   undef $path;
3.120     scop     1900:
                   1901:   # And the last "Directory" before "annotate" is the top level.
3.174     scop     1902:   print CVS_IN "Directory .\n";
                   1903:   print CVS_IN "$cvsroot\n";
3.120     scop     1904:
3.174     scop     1905:   print CVS_IN "annotate\n";
3.120     scop     1906:
                   1907:   # OK, we've sent our command to the server.  Thing to do is to
3.215     scop     1908:   # close the writer side and get all the responses.
                   1909:   if (!close(CVS_IN)) {
3.229     scop     1910:     $h->finish();
3.215     scop     1911:     fatal('500 Internal Error',
                   1912:           'Annotate failure (exit status %s): <code>%s</code>, output: ' .
                   1913:           '<pre>%s</pre>', $? >> 8, $!, $annotate_err);
                   1914:   }
3.120     scop     1915:
3.133     scop     1916:   navigateHeader($scriptwhere, $pathname, $filename, $rev, 'annotate');
3.120     scop     1917:
3.136     scop     1918:   print '<h3 style="text-align: center">Annotation of ',
                   1919:     htmlquote("$pathname$filename"), ", revision $rev</h3>\n";
3.120     scop     1920:
                   1921:   # Ready to get the responses from the server.
                   1922:   # For example:
                   1923:   #     E Annotations for foo/xx
                   1924:   #     E ***************
                   1925:   #     M 1.3          (kingdon  06-Sep-97): hello
                   1926:   #     ok
                   1927:   my ($lineNr) = 0;
                   1928:   my ($oldLrev, $oldLusr) = ("", "");
                   1929:   my ($revprint, $usrprint);
                   1930:
                   1931:   if ($annTable) {
3.179     scop     1932:     print <<EOF;
                   1933: <table style="border: none" cellspacing="0" cellpadding="0" summary="Annotation">
                   1934: EOF
3.120     scop     1935:   } else {
                   1936:     print "<pre>";
                   1937:   }
                   1938:
                   1939:   # prefetch several lines
3.174     scop     1940:   my @buf = head(*CVS_OUT);
3.120     scop     1941:
                   1942:   my %d = scan_directives(@buf);
                   1943:
3.174     scop     1944:   while (@buf || !eof(*CVS_OUT)) {
3.197     scop     1945:
3.174     scop     1946:     $_ = @buf ? shift @buf : <CVS_OUT>;
3.120     scop     1947:     my @words = split;
                   1948:
                   1949:     # Adding one is for the (single) space which follows $words[0].
                   1950:     my $rest = substr($_, length($words[0]) + 1);
                   1951:     if ($words[0] eq "E") {
                   1952:       next;
                   1953:     } elsif ($words[0] eq "M") {
                   1954:       $lineNr++;
                   1955:       (my $lrev = substr($_, 2,  13)) =~ y/ //d;
                   1956:       (my $lusr = substr($_, 16, 9))  =~ y/ //d;
                   1957:       my $line = substr($_, 36);
                   1958:       my $isCurrentRev = ($rev eq $lrev);
                   1959:
                   1960:       # we should parse the date here ..
                   1961:       if ($lrev eq $oldLrev) {
                   1962:         $revprint = sprintf('%-8s', '');
                   1963:       } else {
                   1964:         $revprint = sprintf('%-8s', $lrev);
                   1965:         $revprint =~ s`\S+`&link($&, "$scriptwhere$query#rev$&")`e;    # `
                   1966:         $oldLusr = '';
                   1967:       }
                   1968:
                   1969:       if ($lusr eq $oldLusr) {
                   1970:         $usrprint = '';
                   1971:       } else {
                   1972:         $usrprint = $lusr;
                   1973:       }
                   1974:       $oldLrev = $lrev;
                   1975:       $oldLusr = $lusr;
                   1976:
3.250     scop     1977:       print $is_textbased ? '<b>' : '<span class="current-rev">'
                   1978:         if $isCurrentRev;
3.120     scop     1979:
3.136     scop     1980:       $usrprint = sprintf('%-8s', $usrprint);
                   1981:       printf '%s%s %s %4d:', $revprint, $isCurrentRev ? '!' : ' ',
                   1982:         htmlquote($usrprint), $lineNr;
3.254     scop     1983:       print spacedHtmlText($line, $d{tabstop});
3.120     scop     1984:
3.250     scop     1985:       print $is_textbased ? '</b>' : '</span>' if $isCurrentRev;
                   1986:
3.120     scop     1987:     } elsif ($words[0] eq "ok") {
                   1988:
                   1989:       # We could complain about any text received after this, like the
                   1990:       # CVS command line client.  But for simplicity, we don't.
                   1991:     } elsif ($words[0] eq "error") {
                   1992:       fatal("500 Internal Error",
                   1993:             'Error occured during annotate: <b>%s</b>', $_);
                   1994:     }
                   1995:   }
3.229     scop     1996:   $h->finish();
3.120     scop     1997:
                   1998:   if ($annTable) {
                   1999:     print "</table>";
                   2000:   } else {
                   2001:     print "</pre>";
                   2002:   }
3.124     scop     2003:   html_footer();
3.1       knu      2004: }
                   2005:
                   2006: ###############################
                   2007: # make Checkout
                   2008: ###############################
3.120     scop     2009: sub doCheckout($$)
                   2010: {
                   2011:   my ($fullname, $rev) = @_;
3.253     scop     2012:   $rev = undef if ($rev && ($rev eq '.'));
3.120     scop     2013:
3.219     scop     2014:   # Start resolving whether we will do a markup view or not.
                   2015:   my $do_markup = undef;
3.226     scop     2016:   my $want_type = $input{'content-type'};
                   2017:
3.219     scop     2018:   # No markup if markup disallowed.
                   2019:   $do_markup = 0 unless $allow_markup;
3.226     scop     2020:
3.219     scop     2021:   # No markup if checkout magic cookie in URL.
                   2022:   $do_markup = 0 if (!defined($do_markup) && $doCheckout);
3.226     scop     2023:
3.219     scop     2024:   # Do markup if explicitly asked using cvsweb-markup content type.  If the
                   2025:   # asked content type is anything else, no markup.
3.226     scop     2026:   if (!defined($do_markup) && $want_type) {
                   2027:     if ($want_type =~ CVSWEBMARKUP) {
                   2028:       $want_type = undef;
                   2029:       $do_markup = 1;
                   2030:     } else {
                   2031:       $do_markup = 0;
                   2032:     }
3.219     scop     2033:   }
                   2034:
                   2035:   # Ok, if $do_markup is still undefined, we know that a download has not been
                   2036:   # explicitly asked.  For the last check further down below we'll need to
                   2037:   # know if the file is binary, and possibly run a log on it.
                   2038:   my $needlog = $do_markup || $use_moddate;
3.120     scop     2039:
3.163     scop     2040:   my $moddate = undef;
3.175     scop     2041:   my $revopt;
3.120     scop     2042:   if (defined($rev)) {
                   2043:     $revopt = "-r$rev";
3.219     scop     2044:     if ($needlog) {
3.120     scop     2045:       readLog($fullname, $rev);
                   2046:       $moddate = $date{$rev};
                   2047:     }
                   2048:   } else {
                   2049:     $revopt = "-rHEAD";
3.219     scop     2050:     if ($needlog) {
3.120     scop     2051:       readLog($fullname);
                   2052:       $moddate = $date{$symrev{HEAD}};
                   2053:     }
                   2054:   }
                   2055:
3.194     scop     2056:   my $cr = abs_path($cvsroot) || $cvsroot;
                   2057:   # abs_path() taints when run as a CGI...
                   2058:   if ($cr =~ VALID_PATH) {
                   2059:     $cr = $1;
                   2060:   } else {
                   2061:     fatal('500 Internal Error', 'Illegal CVS root: <code>%s</code>', $cr);
                   2062:   }
3.183     scop     2063:   # Use abs_path() to work around a bug of cvs -p; expand symlinks if we can.
3.194     scop     2064:   my @cmd = ($CMD{cvs}, @cvs_options, '-d', $cr, 'co', '-p', $revopt, $where);
3.183     scop     2065:
3.174     scop     2066:   local (*CVS_OUT, *CVS_ERR);
                   2067:   my ($h, $err) =
3.229     scop     2068:     startproc(\@cmd, \"", '>pipe', \*CVS_OUT, '2>pipe', \*CVS_ERR);
3.215     scop     2069:   fatal('500 Internal Error',
                   2070:         'Checkout failure (exit status %s), output: <pre>%s</pre>',
                   2071:         $? >> 8 || -1, $err)
                   2072:     unless $h;
3.120     scop     2073:
3.174     scop     2074:   if (eof(CVS_ERR)) {
3.229     scop     2075:     $h->finish();
3.120     scop     2076:     fatal("404 Not Found", '%s is not (any longer) pertinent', $where);
                   2077:   }
                   2078:
                   2079:   #===================================================================
                   2080:   #Checking out squid/src/ftp.c
                   2081:   #RCS:  /usr/src/CVS/squid/src/ftp.c,v
                   2082:   #VERS: 1.1.1.28.6.2
                   2083:   #***************
                   2084:
                   2085:   # Parse CVS header
                   2086:   my ($revision, $filename, $cvsheader);
                   2087:   $filename = "";
3.174     scop     2088:   while (<CVS_ERR>) {
3.120     scop     2089:     last if (/^\*\*\*\*/);
                   2090:     $revision = $1 if (/^VERS: (.*)$/);
                   2091:
                   2092:     if (/^Checking out (.*)$/) {
3.214     scop     2093:       ($filename = $1) =~ s|^\./+||;
3.120     scop     2094:     }
                   2095:     $cvsheader .= $_;
                   2096:   }
3.219     scop     2097:   close(CVS_ERR);
3.120     scop     2098:
                   2099:   if ($filename ne $where) {
3.229     scop     2100:     $h->finish();
3.120     scop     2101:     fatal("500 Internal Error",
3.214     scop     2102:           'Unexpected output from cvs co: <pre>%s</pre> ' .
                   2103:           '(expected "<code>%s</code>" but got "<code>%s</code>")',
                   2104:           $cvsheader, $where, $filename);
3.120     scop     2105:   }
                   2106:
3.219     scop     2107:   # Last checks whether we'll do markup or not.
                   2108:   my $isbin = $keywordsubstitution && $keywordsubstitution =~ /b/;
                   2109:   my $mimetype = getMimeType($fullname, $isbin);
                   2110:
                   2111:   # If we still are not sure whether to do markup or not:
                   2112:   # if the MIME type is "viewable" or this is not a binary file, do.
                   2113:   $do_markup = !$isbin || viewable($mimetype) unless defined($do_markup);
                   2114:
                   2115:   if ($do_markup) {
                   2116:
                   2117:     # If this is something we'll be linking to in the markup view, we are
                   2118:     # done with this particular output from "cvs co" and must discard it.
                   2119:     my $linked = $mimetype =~ m{^image/|application/pdf$}i;
                   2120:     if ($linked) {
                   2121:       close(CVS_OUT);
3.229     scop     2122:       $h->finish();
3.219     scop     2123:     }
                   2124:
3.163     scop     2125:     # Here we know the last modified date, but don't know if tags have been
3.219     scop     2126:     # added afterwards (those are shown in the markup view): no last-modified.
                   2127:     cvswebMarkup(\*CVS_OUT, $fullname, $revision, $isbin, $mimetype, $needlog);
                   2128:
3.229     scop     2129:     $h->finish() unless $linked;
3.219     scop     2130:
3.120     scop     2131:   } else {
3.226     scop     2132:     http_header($want_type || $mimetype, $moddate);
3.174     scop     2133:     local $/ = undef;
                   2134:     print <CVS_OUT>;
3.229     scop     2135:     $h->finish();
3.120     scop     2136:   }
1.12      fenner   2137: }
                   2138:
3.174     scop     2139:
3.219     scop     2140: sub cvswebMarkup($$$$$$;$)
3.120     scop     2141: {
3.219     scop     2142:   my ($filehandle, $fullname, $rev, $isbin, $mimetype, $logged, $mod) = @_;
3.1       knu      2143:
3.175     scop     2144:   (my $pathname = $where) =~ s/(Attic\/)?[^\/]*$//;
                   2145:   (my $filename = $where) =~ s/^.*\///;
                   2146:   my $fileurl   = urlencode($filename);
3.120     scop     2147:
3.219     scop     2148:   navigateHeader($scriptwhere, $pathname, $filename, $rev, 'view', $mod);
3.120     scop     2149:
3.144     scop     2150:   print <<EOF;
3.208     scop     2151: <hr />
3.182     scop     2152: <div class="log-markup">
                   2153: File:&nbsp;
3.144     scop     2154: EOF
3.219     scop     2155:   print &clickablePath($where, 1), "<br />\n";
3.120     scop     2156:
                   2157:   if ($show_log_in_markup) {
3.219     scop     2158:     readLog($fullname) unless $logged; #,$rev);
                   2159:     printLog($rev, $mimetype, $isbin);
3.120     scop     2160:   } else {
3.244     scop     2161:     print "Revision: <b>$rev</b><br />\n";
                   2162:     print 'Tag: ', htmlquote($input{only_with_tag}), "<br />\n"
3.120     scop     2163:       if $input{only_with_tag};
                   2164:   }
3.208     scop     2165:   print "</div>\n<hr />";
3.219     scop     2166:   my $url = download_url($fileurl, $rev, $mimetype);
3.120     scop     2167:
3.219     scop     2168:   if ($mimetype =~ m|^image/|i) {
3.208     scop     2169:     printf '<img src="%s" alt="%s" /><br />',
3.160     scop     2170:       hrefquote("$url$barequery"), htmlquote($filename);
3.219     scop     2171:   } elsif (lc($mimetype) eq 'application/pdf') {
3.208     scop     2172:     printf '<embed src="%s" width="100%%" height="100%%" /><br />',
3.157     scop     2173:       hrefquote("$url$barequery");
3.120     scop     2174:   } else {
                   2175:
3.208     scop     2176:     print "<pre>\n";
3.167     scop     2177:     my $linenumbers = $input{ln} || 0;
3.149     scop     2178:
3.219     scop     2179:     if (my $enscript_hl = getEnscriptHL($filename)) {
3.167     scop     2180:       doEnscript($filehandle, $enscript_hl, $linenumbers);
3.148     scop     2181:
                   2182:     } else {
3.200     scop     2183:       my $ln  = 0;
                   2184:       my @buf = ();
                   2185:       my $ts  = undef;
                   2186:
                   2187:       if ($preformat_in_markup) {
                   2188:         # prefetch several lines
                   2189:         @buf = head($filehandle);
                   2190:         my %d = scan_directives(@buf);
                   2191:         $ts = $d{tabstop};
                   2192:       }
                   2193:
                   2194:       while (@buf || !eof($filehandle)) {
                   2195:         $_ = @buf ? shift @buf : <$filehandle>;
3.167     scop     2196:         if ($linenumbers) {
                   2197:           $ln++;
                   2198:           printf '<a id="l%d" class="src">%5d: </a>', ($ln) x 2;
3.149     scop     2199:         }
3.200     scop     2200:         print $preformat_in_markup ? spacedHtmlText($_, $ts) : htmlquote($_);
3.148     scop     2201:       }
3.120     scop     2202:     }
3.149     scop     2203:
                   2204:     print "</pre>\n";
3.120     scop     2205:   }
3.131     scop     2206:   html_footer();
3.120     scop     2207: }
                   2208:
3.156     scop     2209:
3.120     scop     2210: sub viewable($)
                   2211: {
3.219     scop     2212:   return shift =~ m{^((text|image)/|application/pdf)}i;
3.156     scop     2213: }
3.120     scop     2214:
3.1       knu      2215:
                   2216: ###############################
                   2217: # Show Colored Diff
                   2218: ###############################
3.120     scop     2219: sub doDiff($$$$$$)
                   2220: {
                   2221:   my ($fullname, $r1, $tr1, $r2, $tr2, $f) = @_;
                   2222:
3.233     scop     2223:   if (forbidden($fullname)) {
                   2224:     fatal('403 Forbidden', 'Access to %s forbidden.', $where);
3.120     scop     2225:   }
                   2226:
3.175     scop     2227:   my ($rev1, $sym1);
3.120     scop     2228:   if ($r1 =~ /([^:]+)(:(.+))?/) {
                   2229:     $rev1 = $1;
                   2230:     $sym1 = $3;
                   2231:   }
                   2232:   if ($r1 eq 'text') {
                   2233:     $rev1 = $tr1;
                   2234:     $sym1 = "";
                   2235:   }
                   2236:
3.175     scop     2237:   my ($rev2, $sym2);
3.120     scop     2238:   if ($r2 =~ /([^:]+)(:(.+))?/) {
                   2239:     $rev2 = $1;
                   2240:     $sym2 = $3;
                   2241:   }
                   2242:   if ($r2 eq 'text') {
                   2243:     $rev2 = $tr2;
                   2244:     $sym2 = "";
                   2245:   }
                   2246:
                   2247:   #
                   2248:   # rev1 and rev2 are now both numeric revisions.
                   2249:   # Thus we do a DWIM here and swap them if rev1 is after rev2.
                   2250:   # XXX should we warn about the fact that we do this?
                   2251:   if (&revcmp($rev1, $rev2) > 0) {
                   2252:     my ($tmp1, $tmp2) = ($rev1, $sym1);
                   2253:     ($rev1, $sym1) = ($rev2, $sym2);
                   2254:     ($rev2, $sym2) = ($tmp1, $tmp2);
                   2255:   }
3.225     scop     2256:
                   2257:   my $mimetype = getMimeType($fullname);
                   2258:
                   2259:   #
                   2260:   #  Check for per-MIME type diff commands.
                   2261:   #
                   2262:   my $diffcmd = undef;
                   2263:   if (my $diffcmds = $DIFF_COMMANDS{lc($mimetype)}) {
                   2264:     if ($f =~ /^ext(\d*)$/) {
                   2265:       my $n = $1 || 0;
                   2266:       $diffcmd = $diffcmds->[$n];
                   2267:     }
                   2268:   }
                   2269:   if ($diffcmd && $diffcmd->{cmd} && $diffcmd->{name}) {
                   2270:
                   2271:     if ($diffcmd->{args} && ref($diffcmd->{args}) ne 'ARRAY') {
                   2272:       fatal('500 Internal Error',
                   2273:             'Configuration error: arguments to external diff tools must ' .
                   2274:             'be given as array refs.  See "<code>%s</code>" in ' .
                   2275:             '<code>%%DIFF_COMMANDS</code>.',
                   2276:             $diffcmd->{name});
                   2277:     }
                   2278:
                   2279:     (my $cvsname = $where) =~ s/\.diff$//;
                   2280:
                   2281:     # Create two temporary files with the two revisions
                   2282:     my $temp_fn1 = checkout_to_temp($cvsroot, $cvsname, $rev1);
                   2283:     my $temp_fn2 = checkout_to_temp($cvsroot, $cvsname, $rev2);
                   2284:
                   2285:     # Execute chosen diff binary.
                   2286:     local (*DIFF_OUT);
                   2287:     my @cmd = ($diffcmd->{cmd});
                   2288:     push(@cmd, @{$diffcmd->{args}}) if $diffcmd->{args};
                   2289:     push(@cmd, $temp_fn1, $temp_fn2);
                   2290:     my ($h, $err) = startproc(\@cmd, \"", '>pipe', \*DIFF_OUT);
                   2291:     if (!$h) {
                   2292:       unlink($temp_fn1);
                   2293:       unlink($temp_fn2);
                   2294:       fatal('500 Internal Error',
                   2295:             'Diff failure (exit status %s), output: <pre>%s</pre>',
                   2296:             $? >> 8 || -1, $err);
                   2297:     }
                   2298:
                   2299:     http_header($diffcmd->{type} || 'text/plain');
                   2300:     local $/ = undef;
                   2301:     print <DIFF_OUT>;
3.229     scop     2302:     $h->finish();
3.225     scop     2303:     unlink($temp_fn1);
                   2304:     unlink($temp_fn2);
                   2305:
                   2306:     exit;
                   2307:   }
                   2308:
                   2309:   #
                   2310:   # Normal CVS diff.
                   2311:   #
                   2312:
                   2313:   $f = $DEFAULTVALUE{f} || 'u' if ($f =~ /^ext\d*$/);
3.120     scop     2314:   my $difftype = $DIFFTYPES{$f};
                   2315:   if (!$difftype) {
                   2316:     fatal("400 Bad arguments", 'Diff format %s not understood', $f);
                   2317:   }
                   2318:
3.254     scop     2319:   my @difftype       = @{$difftype->{opts}};
                   2320:   my $human_readable = $difftype->{colored};
3.120     scop     2321:
3.247     scop     2322:   # Apply special diff options.  -p and -F are not available with side by side
                   2323:   # diffs and may cause problems with older (< 2.8) versions of diffutils if
                   2324:   # used with --side-by-side.
                   2325:   if ($showfunc && $f !~ /^s/) {
                   2326:     push(@difftype, '-p');
                   2327:     while (my ($re1, $re2) = each %funcline_regexp) {
3.222     scop     2328:       if ($fullname =~ $re1) {
3.247     scop     2329:         push(@difftype, '-F', $re2);
3.120     scop     2330:         last;
                   2331:       }
                   2332:     }
                   2333:   }
                   2334:
                   2335:   if ($human_readable) {
3.247     scop     2336:     push(@difftype, '-w')  if $hr_ignwhite;
                   2337:     push(@difftype, '-kk') if $hr_ignkeysubst;
3.120     scop     2338:   }
                   2339:
3.175     scop     2340:   my $fh = do { local (*FH); };
3.120     scop     2341:   if (!open($fh, "-|")) {    # child
                   2342:     open(STDERR, ">&STDOUT");    # Redirect stderr to stdout
                   2343:     openOutputFilter();
3.166     scop     2344:     exec($CMD{rcsdiff}, @rcsdiff_options, @difftype, "-r$rev1", "-r$rev2",
                   2345:          $fullname) or exit -1;
3.120     scop     2346:   }
3.166     scop     2347:
3.120     scop     2348:   if ($human_readable) {
3.168     scop     2349:     #
                   2350:     # Human readable diff.
                   2351:     #
                   2352:     human_readable_diff($fh, $rev2);
                   2353:     html_footer();
                   2354:     gzipclose();
                   2355:     exit;
                   2356:
                   2357:   } elsif ($f =~ /^([ucs])c$/) {
                   2358:     #
                   2359:     # Enscript colored diff.
                   2360:     #
                   2361:     my $hl = 'diff';
                   2362:     $hl .= $1 if ($1 eq 'u' || $1 eq 's');
                   2363:     (my $where_nd = $where)       =~ s/\.diff$//;
                   2364:     (my $pathname = $where_nd)    =~ s|(Attic\/)?[^/]*$||;
                   2365:     (my $filename = $where_nd)    =~ s|^.*/||;
                   2366:     (my $swhere   = $scriptwhere) =~ s|\.diff$||;
                   2367:     navigateHeader($swhere, $pathname, $filename, $rev2, 'diff');
                   2368:     printf(<<EOF, $where_nd, $rev1, $rev2);
                   2369: <h3 style="text-align: center">Diff for /%s between versions %s and %s</h3>
                   2370: <pre>
                   2371: EOF
3.240     scop     2372:     doEnscript(\$fh, $hl, 0, 'cvsweb_diff');
3.168     scop     2373:     print <<EOF;
                   2374: </pre>
3.208     scop     2375: <hr style="width: 100%" />
3.168     scop     2376: <form method="get" action="$scriptwhere">
                   2377: EOF
                   2378:     printDiffSelectStickyVars();
                   2379:     print 'Diff format: ';
                   2380:     printDiffSelect($use_java_script);
3.208     scop     2381:     print "<input type=\"submit\" value=\"Show\" />\n</form>\n";
3.120     scop     2382:     html_footer();
                   2383:     gzipclose();
                   2384:     exit;
3.168     scop     2385:
3.120     scop     2386:   } else {
3.168     scop     2387:     #
                   2388:     # Plain diff.
                   2389:     #
3.120     scop     2390:     http_header("text/plain");
                   2391:   }
                   2392:
                   2393:   #
                   2394:   #===================================================================
                   2395:   #RCS file: /home/ncvs/src/sys/netinet/tcp_output.c,v
                   2396:   #retrieving revision 1.16
                   2397:   #retrieving revision 1.17
                   2398:   #diff -c -r1.16 -r1.17
                   2399:   #*** /home/ncvs/src/sys/netinet/tcp_output.c     1995/11/03 22:08:08     1.16
                   2400:   #--- /home/ncvs/src/sys/netinet/tcp_output.c     1995/12/05 17:46:35     1.17
                   2401:   #
                   2402:   # Ideas:
                   2403:   # - nuke the stderr output if it's what we expect it to be
                   2404:   # - Add "no differences found" if the diff command supplied no output.
                   2405:   #
                   2406:   #*** src/sys/netinet/tcp_output.c     1995/11/03 22:08:08     1.16
                   2407:   #--- src/sys/netinet/tcp_output.c     1995/12/05 17:46:35     1.17 RELENG_2_1_0
                   2408:   # (bogus example, but...)
                   2409:   #
3.175     scop     2410:   my ($f1, $f2);
3.120     scop     2411:   if (grep { $_ eq '-u' } @difftype) {
                   2412:     $f1 = '---';
                   2413:     $f2 = '\+\+\+';
                   2414:   } else {
                   2415:     $f1 = '\*\*\*';
                   2416:     $f2 = '---';
                   2417:   }
                   2418:
                   2419:   while (<$fh>) {
                   2420:     if (m|^$f1 $cvsroot|o) {
                   2421:       s|$cvsroot/||o;
                   2422:       if ($sym1) {
                   2423:         chop;
                   2424:         $_ .= " $sym1\n";
                   2425:       }
                   2426:     } elsif (m|^$f2 $cvsroot|o) {
                   2427:       s|$cvsroot/||o;
                   2428:
                   2429:       if ($sym2) {
                   2430:         chop;
                   2431:         $_ .= " $sym2\n";
                   2432:       }
                   2433:     }
                   2434:     print $_;
                   2435:   }
                   2436:   close($fh);
1.12      fenner   2437: }
                   2438:
3.175     scop     2439:
3.1       knu      2440: ###############################
                   2441: # Show Logs ..
                   2442: ###############################
3.120     scop     2443: sub getDirLogs($$@)
                   2444: {
                   2445:   my ($cvsroot, $dirname, @otherFiles) = @_;
3.139     scop     2446:   my $tag = $input{only_with_tag};
3.196     scop     2447:   my $DirName = catdir($cvsroot, $where);
3.120     scop     2448:
3.139     scop     2449:   my @files = &safeglob("$DirName/*,v");
3.254     scop     2450:   push (@files, &safeglob("$DirName/Attic/*,v")) unless $input{hideattic};
3.120     scop     2451:   foreach my $file (@otherFiles) {
3.196     scop     2452:     push(@files, catfile($DirName, $file));
3.120     scop     2453:   }
                   2454:
3.150     scop     2455:   # Weed out unreadable files.
                   2456:   my $i = 0;
                   2457:   my @unreadable = ();
                   2458:   while ($i < scalar(@files)) {
3.197     scop     2459:     # Note: last modified files from subdirs returned by
                   2460:     # findLastModifiedSubdirs() come without the ,v suffix so they're not
                   2461:     # found here, but have already been checked for readability.  *cough*
                   2462:     if (-r $files[$i] || !-e _) {
3.150     scop     2463:       $i++;
                   2464:     } else {
                   2465:       push(@unreadable, splice(@files, $i, 1));
                   2466:     }
                   2467:   }
                   2468:
3.139     scop     2469:   # If there are no files, we're done.
3.150     scop     2470:   return @unreadable unless @files;
3.120     scop     2471:
3.139     scop     2472:   my @cmd = ($CMD{rlog});
                   2473:   # Can't use -r<tag> as '-' is allowed in tagnames,
                   2474:   # but misinterpreted by rlog.
                   2475:   push(@cmd, '-r') unless defined($tag);
3.120     scop     2476:
3.139     scop     2477:   my $fh = do { local (*FH); };
                   2478:   if (!open($fh, '-|')) {            # Child
3.165     scop     2479:     open(STDERR, '>', devnull());    # Ignore rlog's complaints.
3.139     scop     2480:     openOutputFilter();
                   2481:     if ($file_list_len && $file_list_len > 1) {
                   2482:       while (scalar(@files) > $file_list_len) {  # Process files in chunks.
                   2483:         system(@cmd, splice(@files, 0, $file_list_len)) == 0 or exit -1;
                   2484:       }
3.120     scop     2485:     }
3.139     scop     2486:     exec(@cmd, @files) or exit -1;
                   2487:   }
                   2488:   undef @cmd;
3.120     scop     2489:
3.139     scop     2490:   my $state = 'start';
                   2491:   my ($date, $branchpoint, $branch, $log, @filetags);
3.152     scop     2492:   my ($rev, $revision, $revwanted, $filename, $head, $author, $keywordsubst);
3.120     scop     2493:
                   2494:   while (<$fh>) {
                   2495:     if ($state eq "start") {
                   2496:
                   2497:       #Next file. Initialize file variables
                   2498:       $rev         = '';
                   2499:       $revwanted   = '';
                   2500:       $branch      = '';
                   2501:       $branchpoint = '';
                   2502:       $filename    = '';
                   2503:       $log         = '';
                   2504:       $revision    = '';
                   2505:       %symrev      = ();
                   2506:       @filetags    = ();
3.152     scop     2507:       $keywordsubst= '';
3.120     scop     2508:
                   2509:       #jump to head state
                   2510:       $state = "head";
                   2511:     }
3.144     scop     2512:
3.120     scop     2513:     again:
                   2514:
                   2515:     if ($state eq "head") {
                   2516:
                   2517:       #$rcsfile = $1 if (/^RCS file: (.+)$/); #not used (yet)
                   2518:
                   2519:       if (/^Working file: (.+)$/) {
                   2520:         $filename = $1;
                   2521:       } elsif (/^head: (.+)$/) {
                   2522:         $head = $1;
                   2523:       } elsif (/^branch: (.+)$/) {
                   2524:         $branch = $1;
3.152     scop     2525:       } elsif (/^keyword substitution: (.+)$/) {
                   2526:         $keywordsubst = $1;
3.120     scop     2527:       } elsif (/^symbolic names:/) {
                   2528:         $state = "tags";
                   2529:         ($branch = $head) =~ s/\.\d+$//
                   2530:           if $branch eq '';
                   2531:         $branch =~ s/(\d+)$/0.$1/;
                   2532:         $symrev{MAIN}  = $branch;
                   2533:         $symrev{HEAD}  = $branch;
                   2534:         $alltags{MAIN} = 1;
                   2535:         $alltags{HEAD} = 1;
                   2536:         push (@filetags, "MAIN", "HEAD");
3.222     scop     2537:       } elsif ($_ =~ LOG_REVSEPR) {
3.120     scop     2538:         $state = "log";
                   2539:         $rev   = '';
                   2540:         $date  = '';
                   2541:         $log   = '';
                   2542:
                   2543:         # Try to reconstruct the relative filename if RCS spits out a full path
                   2544:         $filename =~ s%^\Q$DirName\E/%%;
                   2545:       }
                   2546:       next;
                   2547:     }
                   2548:
                   2549:     if ($state eq "tags") {
                   2550:       if (/^\s+([^:]+):\s+([\d\.]+)\s*$/) {
                   2551:         push (@filetags, $1);
                   2552:         $symrev{$1}  = $2;
                   2553:         $alltags{$1} = 1;
                   2554:         next;
                   2555:       } elsif (/^\S/) {
                   2556:
                   2557:         if (defined($tag)) {
                   2558:           if (defined($symrev{$tag}) || $tag eq "HEAD") {
                   2559:             $revwanted    = $symrev{$tag eq "HEAD" ? "MAIN" : $tag};
                   2560:             ($branch      = $revwanted) =~ s/\b0\.//;
                   2561:             ($branchpoint = $branch)    =~ s/\.?\d+$//;
                   2562:             $revwanted    = '' if ($revwanted ne $branch);
                   2563:           } elsif ($tag ne "HEAD") {
                   2564:             $state = "skip";
                   2565:             next;
                   2566:           }
                   2567:         }
                   2568:
                   2569:         foreach my $tagfound (@filetags) {
                   2570:           $tags{$tagfound} = 1;
                   2571:         }
                   2572:         $state = "head";
                   2573:         goto again;
                   2574:       }
                   2575:     }
                   2576:
                   2577:     if ($state eq "log") {
3.222     scop     2578:       if ($_ =~ LOG_REVSEPR || $_ =~ LOG_FILESEPR) {
3.120     scop     2579:
                   2580:         # End of a log entry.
                   2581:         my $revbranch = $rev;
                   2582:         $revbranch =~ s/\.\d+$//;
                   2583:
                   2584:         if ($revwanted eq '' && $branch ne '' && $branch eq $revbranch
                   2585:             || !defined($tag))
                   2586:         {
                   2587:           $revwanted = $rev;
                   2588:         }
                   2589:
                   2590:         if ($revwanted ne ''
                   2591:             ? $rev eq $revwanted
                   2592:             : $branchpoint ne ''
                   2593:               ? $rev eq $branchpoint
                   2594:               : 0
                   2595:             && ($rev eq $head))
                   2596:         {    # Don't think head is needed here..
3.152     scop     2597:           my @finfo = ($rev, $date, $log, $author, $filename, $keywordsubst);
                   2598:           (my $name = $filename) =~ s%/.*%%;
3.120     scop     2599:           $fileinfo{$name} = [@finfo];
                   2600:           $state = "done" if ($rev eq $revwanted);
                   2601:         }
                   2602:         $rev  = '';
                   2603:         $date = '';
                   2604:         $log  = '';
                   2605:       } elsif ($date eq ''
                   2606:                && m|^date:\s+(\d+)/(\d+)/(\d+)\s+(\d+):(\d+):(\d+);|)
                   2607:       {
3.172     scop     2608:         my $yr    = $1;
                   2609:         $yr      -= 1900 if ($yr > 100); # Damn 2-digit year routines :-)
                   2610:         $date     = timegm($6, $5, $4, $3, $2 - 1, $yr);
3.120     scop     2611:         ($author) = /author: ([^;]+)/;
3.172     scop     2612:         $state    = 'log';
                   2613:         $log      = '';
3.120     scop     2614:         next;
                   2615:       } elsif ($rev eq '' && /^revision (\d+(?:\.\d+)+).*$/) {
                   2616:         $rev = $1;    # .*$ eats up the locker(lockers?) info, if any
                   2617:         next;
                   2618:       } else {
                   2619:         $log .= $_;
                   2620:       }
                   2621:     }
                   2622:
3.222     scop     2623:     if ($_ =~ LOG_FILESEPR) {
3.120     scop     2624:       $state = "start";
                   2625:       next;
                   2626:     }
                   2627:   }
                   2628:
3.139     scop     2629:   my $linesread = $. || 0;
                   2630:   close($fh);
                   2631:
                   2632:   if ($linesread == 0) {
3.137     scop     2633:     fatal('500 Internal Error',
3.230     scop     2634:           'Failed to spawn GNU rlog on <em>"%s"</em>.<br /><br />Did you set the <b><code>@command_path</code></b> in your configuration file correctly? (Currently: "<code>%s</code>")',
                   2635:           htmlquote(join(', ', @files)), join(':', @command_path));
3.120     scop     2636:   }
3.150     scop     2637:
                   2638:   return @unreadable;
3.120     scop     2639: }
                   2640:
3.175     scop     2641:
3.120     scop     2642: sub readLog($;$)
                   2643: {
                   2644:   my ($fullname, $revision) = @_;
                   2645:   my ($symnames, $head, $rev, $br, $brp, $branch, $branchrev);
                   2646:
3.144     scop     2647:   $revision = defined($revision) ? "-r$revision" : '';
3.120     scop     2648:
                   2649:   undef %symrev;
                   2650:   undef %revsym;
                   2651:   undef @allrevisions;
                   2652:   undef %date;
                   2653:   undef %author;
                   2654:   undef %state;
                   2655:   undef %difflines;
                   2656:   undef %log;
3.152     scop     2657:   $keywordsubstitution = '';
3.120     scop     2658:
3.175     scop     2659:   my $fh = do { local (*FH); };
3.120     scop     2660:   if (!open($fh, "-|")) {    # child
                   2661:     if ($revision ne '') {
                   2662:       openOutputFilter();
                   2663:       exec($CMD{rlog}, $revision, $fullname) or exit -1;
                   2664:     } else {
                   2665:       openOutputFilter();
                   2666:       exec($CMD{rlog}, $fullname) or exit -1;
                   2667:     }
                   2668:   }
                   2669:
3.217     scop     2670:   my $curbranch = undef;
3.120     scop     2671:   while (<$fh>) {
                   2672:     if ($symnames) {
                   2673:       if (/^\s+([^:]+):\s+([\d\.]+)/) {
                   2674:         $symrev{$1} = $2;
3.152     scop     2675:         next;
3.120     scop     2676:       } else {
                   2677:         $symnames = 0;
                   2678:       }
3.152     scop     2679:     }
                   2680:     if (/^head:\s+([\d\.]+)/) {
3.120     scop     2681:       $head = $1;
                   2682:     } elsif (/^branch:\s+([\d\.]+)/) {
                   2683:       $curbranch = $1;
                   2684:     } elsif (/^symbolic names/) {
                   2685:       $symnames = 1;
3.152     scop     2686:     } elsif (/^keyword substitution: (.+)$/) {
                   2687:       $keywordsubstitution = $1;
3.120     scop     2688:     } elsif (/^-----/) {
                   2689:       last;
                   2690:     }
                   2691:   }
                   2692:   ($curbranch = $head) =~ s/\.\d+$// if (!defined($curbranch));
                   2693:
                   2694:   # each log entry is of the form:
                   2695:   # ----------------------------
                   2696:   # revision 3.7.1.1
                   2697:   # date: 1995/11/29 22:15:52;  author: fenner;  state: Exp;  lines: +5 -3
                   2698:   # log info
                   2699:   # ----------------------------
                   2700:
                   2701:   # For a locked revision, the first line after the separator
                   2702:   # becomes smth like
3.149     scop     2703:   # revision 9.19       locked by: vassilii;
3.120     scop     2704:
                   2705:   logentry:
                   2706:
3.222     scop     2707:   while ($_ !~ LOG_FILESEPR) {
3.120     scop     2708:     $_ = <$fh>;
                   2709:     last logentry if (!defined($_));    # EOF
                   2710:     if (/^revision (\d+(?:\.\d+)+)/) {
                   2711:       $rev = $1;
                   2712:       unshift (@allrevisions, $rev);
3.222     scop     2713:     } elsif ($_ =~ LOG_FILESEPR || $_ =~ LOG_REVSEPR) {
3.120     scop     2714:       next logentry;
                   2715:     } else {
                   2716:
                   2717:       # The rlog output is syntactically ambiguous.  We must
                   2718:       # have guessed wrong about where the end of the last log
                   2719:       # message was.
                   2720:       # Since this is likely to happen when people put rlog output
                   2721:       # in their commit messages, don't even bother keeping
                   2722:       # these lines since we don't know what revision they go with
                   2723:       # any more.
                   2724:       next logentry;
                   2725:     }
                   2726:     $_ = <$fh>;
                   2727:     if (
                   2728:       m|^date:\s+(\d+)/(\d+)/(\d+)\s+(\d+):(\d+):(\d+);\s+author:\s+(\S+);\s+state:\s+(\S+);\s+(lines:\s+([0-9\s+-]+))?|
                   2729:       )
                   2730:     {
3.172     scop     2731:       my $yr           = $1;
                   2732:       $yr             -= 1900 if ($yr > 100); # Damn 2-digit year routines :-)
                   2733:       $date{$rev}      = timegm($6, $5, $4, $3, $2 - 1, $yr);
3.120     scop     2734:       $author{$rev}    = $7;
                   2735:       $state{$rev}     = $8;
                   2736:       $difflines{$rev} = $10;
                   2737:     } else {
                   2738:       fatal("500 Internal Error", 'Error parsing RCS output: %s', $_);
                   2739:     }
                   2740:
                   2741:   line:
                   2742:     while (<$fh>) {
                   2743:       next line if (/^branches:\s/);
3.222     scop     2744:       last line if ($_ =~ LOG_FILESEPR || $_ =~ LOG_REVSEPR);
3.120     scop     2745:       $log{$rev} .= $_;
                   2746:     }
                   2747:   }
                   2748:   close($fh);
                   2749:
                   2750:   @revorder = reverse sort { revcmp($a, $b) } @allrevisions;
                   2751:
                   2752:   #
                   2753:   # HEAD is an artificial tag which is simply the highest tag number on the main
                   2754:   # branch, unless there is a branch tag in the RCS file in which case it's the
                   2755:   # highest revision on that branch.  Find it by looking through @revorder; it
                   2756:   # is the first commit listed on the appropriate branch.
                   2757:   # This is not neccesary the same revision as marked as head in the RCS file.
                   2758:   my $headrev = $curbranch || "1";
3.254     scop     2759:   ($symrev{MAIN} = $headrev) =~ s/(\d+)$/0.$1/;
3.120     scop     2760:
                   2761:   foreach $rev (@revorder) {
                   2762:     if ($rev =~ /^(\S*)\.\d+$/ && $headrev eq $1) {
3.254     scop     2763:       $symrev{HEAD} = $rev;
3.120     scop     2764:       last;
                   2765:     }
                   2766:   }
3.254     scop     2767:   ($symrev{HEAD} = $headrev) =~ s/\.\d+$// unless defined($symrev{HEAD});
3.120     scop     2768:
                   2769:   #
                   2770:   # Now that we know all of the revision numbers, we can associate
                   2771:   # absolute revision numbers with all of the symbolic names, and
                   2772:   # pass them to the form so that the same association doesn't have
                   2773:   # to be built then.
                   2774:   #
                   2775:   undef @branchnames;
                   2776:   undef %branchpoint;
                   2777:   undef $sel;
                   2778:
                   2779:   foreach (reverse sort keys %symrev) {
                   2780:     $rev = $symrev{$_};
                   2781:     if ($rev =~ /^((.*)\.)?\b0\.(\d+)$/) {
                   2782:       push (@branchnames, $_);
                   2783:
                   2784:       #
                   2785:       # A revision number of A.B.0.D really translates into
                   2786:       # "the highest current revision on branch A.B.D".
                   2787:       #
                   2788:       # If there is no branch A.B.D, then it translates into
                   2789:       # the head A.B .
                   2790:       #
                   2791:       # This reasoning also applies to the main branch A.B,
                   2792:       # with the branch number 0.A, with the exception that
                   2793:       # it has no head to translate to if there is nothing on
                   2794:       # the branch, but I guess this can never happen?
                   2795:       #
                   2796:       # (the code below gracefully forgets about the branch
                   2797:       # if it should happen)
                   2798:       #
                   2799:       $head = defined($2) ? $2 : "";
                   2800:       $branch = $3;
                   2801:       $branchrev = $head . ($head ne "" ? "." : "") . $branch;
3.222     scop     2802:       $rev = $head;
                   2803:
                   2804:       my $regex = '^' . quotemeta($branchrev) . '\b';
                   2805:       $regex = qr/$regex/;
3.120     scop     2806:
                   2807:       foreach my $r (@revorder) {
3.222     scop     2808:         if ($r =~ $regex) {
3.120     scop     2809:           $rev = $branchrev;
                   2810:           last;
                   2811:         }
                   2812:       }
                   2813:       next if ($rev eq "");
                   2814:
                   2815:       if ($rev ne $head && $head ne "") {
3.131     scop     2816:         $branchpoint{$head} .= ', ' if ($branchpoint{$head});
3.120     scop     2817:         $branchpoint{$head} .= $_;
                   2818:       }
                   2819:     }
                   2820:     $revsym{$rev} .= ", " if ($revsym{$rev});
                   2821:     $revsym{$rev} .= $_;
3.136     scop     2822:     $sel .= sprintf("<option value=\"%s:%s\">%s</option>\n",
                   2823:                     htmlquote($rev), (htmlquote($_)) x 2);
3.120     scop     2824:   }
                   2825:
                   2826:   my ($onlyonbranch, $onlybranchpoint);
3.254     scop     2827:   if ($onlyonbranch = $input{only_with_tag}) {
3.120     scop     2828:     $onlyonbranch = $symrev{$onlyonbranch};
                   2829:     if ($onlyonbranch =~ s/\b0\.//) {
                   2830:       ($onlybranchpoint = $onlyonbranch) =~ s/\.\d+$//;
                   2831:     } else {
                   2832:       $onlybranchpoint = $onlyonbranch;
                   2833:     }
                   2834:
                   2835:     if (!defined($onlyonbranch) || $onlybranchpoint eq "") {
                   2836:       fatal("404 Tag not found", 'Tag %s not defined',
3.254     scop     2837:             $input{only_with_tag});
3.120     scop     2838:     }
                   2839:   }
                   2840:
                   2841:   undef @revisions;
                   2842:
                   2843:   foreach (@allrevisions) {
                   2844:     ($br  = $_)  =~ s/\.\d+$//;
                   2845:     ($brp = $br) =~ s/\.\d+$//;
                   2846:     next if ($onlyonbranch
                   2847:              && $br ne $onlyonbranch
                   2848:              && $_  ne $onlybranchpoint);
                   2849:     unshift (@revisions, $_);
                   2850:   }
                   2851:
                   2852:   if ($logsort eq "date") {
                   2853:
                   2854:     # Sort the revisions in commit order an secondary sort on revision
                   2855:     # (secondary sort needed for imported sources, or the first main
                   2856:     # revision gets before the same revision on the 1.1.1 branch)
                   2857:     @revdisplayorder =
                   2858:       sort { $date{$b} <=> $date{$a} || -revcmp($a, $b) } @revisions;
                   2859:   } elsif ($logsort eq "rev") {
                   2860:
                   2861:     # Sort the revisions in revision order, highest first
                   2862:     @revdisplayorder = reverse sort { revcmp($a, $b) } @revisions;
                   2863:   } else {
                   2864:
                   2865:     # No sorting. Present in the same order as rlog / cvs log
                   2866:     @revdisplayorder = @revisions;
                   2867:   }
                   2868:
3.217     scop     2869:   return $curbranch;
3.120     scop     2870: }
                   2871:
3.175     scop     2872:
3.225     scop     2873: sub getDiffLinks($$$)
3.120     scop     2874: {
3.225     scop     2875:   my ($url, $mimetype, $isbin) = @_;
                   2876:
                   2877:   my @links = ();
                   2878:   if (!$isbin) { # Offer ordinary diff only for non-binary files.
                   2879:     push(@links, &link('preferred', $url));
                   2880:     for my $difftype ($DIFFTYPES{$defaultDiffType}{colored} ? qw(u) : qw(h)) {
                   2881:       my $f = $difftype eq $defaultDiffType ? '' : $difftype;
                   2882:       push(@links,
                   2883:            &link(htmlquote(lc($DIFFTYPES{$difftype}{descr})), "$url;f=$f"));
                   2884:     }
                   2885:   }
                   2886:   if (my $extdiffs = $DIFF_COMMANDS{lc($mimetype)}) {
                   2887:     for my $i (0 .. scalar(@$extdiffs)-1) {
                   2888:       my $extdiff = $extdiffs->[$i];
                   2889:       push(@links, &link(htmlquote($extdiff->{name}), "$url;f=ext$i"))
                   2890:         if ($extdiff->{cmd} && $extdiff->{name});
                   2891:     }
3.120     scop     2892:   }
3.225     scop     2893:   return @links;
3.120     scop     2894: }
                   2895:
3.175     scop     2896:
3.219     scop     2897: sub printLog($$$;$$)
3.120     scop     2898: {
3.219     scop     2899:   # inlogview: 1 if in log view, otherwise in markup view.
                   2900:   ($_, my $mimetype, my $isbin, my $inlogview, my $isSelected) = @_;
3.175     scop     2901:   (my $br  = $_)  =~ s/\.\d+$//;
                   2902:   (my $brp = $br) =~ s/\.?\d+$//;
3.120     scop     2903:
3.131     scop     2904:   my $isDead = ($state{$_} eq 'dead');
                   2905:
3.219     scop     2906:   (my $filename = $where) =~ s/^.*\///;
                   2907:   my $fileurl   = urlencode($filename);
3.120     scop     2908:
3.219     scop     2909:   print "<a name=\"rev$_\"></a>";
                   2910:   if (defined($revsym{$_})) {
                   2911:     foreach my $sym (split (", ", $revsym{$_})) {
                   2912:       print '<a name="', hrefquote($sym), '"></a>';
3.120     scop     2913:     }
3.219     scop     2914:   }
                   2915:   if ($revsym{$br} && !defined($nameprinted{$br})) {
                   2916:     foreach my $sym (split (", ", $revsym{$br})) {
                   2917:       print '<a name="', hrefquote($sym), '"></a>';
3.120     scop     2918:     }
3.219     scop     2919:     $nameprinted{$br} = 1;
                   2920:   }
3.120     scop     2921:
3.219     scop     2922:   printf "\n Revision <b>%s</b>", htmlquote($_);
                   2923:   if (/^1\.1\.1\.\d+$/) {
                   2924:     print " <i>(vendor branch)</i>";
                   2925:   }
                   2926:   if (!$isDead) {
3.220     scop     2927:     print ': ', download_link($fileurl, $_, 'download', $mimetype);
3.219     scop     2928:
                   2929:     my @vlinks = ();
                   2930:     push(@vlinks, display_link($fileurl, $_, 'text', 'text/plain'))
                   2931:       unless $isbin;
                   2932:     push(@vlinks, display_link($fileurl, $_, 'markup', 'text/x-cvsweb-markup'))
                   2933:       if ($allow_markup && $inlogview && (!$isbin || viewable($mimetype)));
                   2934:     if (!$isbin) {
                   2935:       push(@vlinks,
                   2936:            &link('annotated',
                   2937:                  sprintf('%s/%s?annotate=%s%s',
                   2938:                          $scriptname, urlencode($where), $_, $barequery)))
                   2939:         if $allow_annotate;
                   2940:     }
                   2941:     print ' - view: ', join(', ', @vlinks) if @vlinks;
                   2942:     undef @vlinks;
                   2943:
3.243     scop     2944:     if (!$isbin && $allow_version_select) {
                   2945:       print ' - ';
                   2946:       if ($isSelected) {
                   2947:         print '<b>[selected&nbsp;for&nbsp;diffs]</b>';
                   2948:       } else {
                   2949:         print &link('select&nbsp;for&nbsp;diffs',
                   2950:                     sprintf('%s?r1=%s%s#rev%s',
                   2951:                             $scriptwhere, $_, $barequery, $_));
3.120     scop     2952:       }
                   2953:     }
3.243     scop     2954:     print ' - ', graph_link('', 'revision graph')
                   2955:       if (!$inlogview && $allow_cvsgraph);
3.120     scop     2956:   }
3.219     scop     2957:   print "<br />\n";
3.120     scop     2958:
3.219     scop     2959:   print '<i>';
3.120     scop     2960:   if (defined @mytz) {
                   2961:     my ($est) = $mytz[(localtime($date{$_}))[8]];
3.219     scop     2962:     print scalar localtime($date{$_}), " $est</i> (";
3.120     scop     2963:   } else {
3.219     scop     2964:     print scalar gmtime($date{$_}), " UTC</i> (";
3.120     scop     2965:   }
3.136     scop     2966:   print readableTime(time() - $date{$_}, 1), ' ago)';
3.208     scop     2967:   print ' by <i>', htmlquote($author{$_}), "</i><br />\n";
3.136     scop     2968:
3.243     scop     2969:   printf("Branches: %s<br />\n", link_tags($revsym{$br})) if $revsym{$br};
                   2970:   printf("CVS tags: %s<br />\n", link_tags($revsym{$_}))  if $revsym{$_};
                   2971:   printf("Branch point for: %s<br />\n", link_tags($branchpoint{$_}))
                   2972:     if $branchpoint{$_};
3.120     scop     2973:
                   2974:   # Find the previous revision
3.175     scop     2975:   my $prev;
3.120     scop     2976:   my @prevrev = split (/\./, $_);
                   2977:   do {
                   2978:     if (--$prevrev[$#prevrev] <= 0) {
                   2979:
                   2980:       # If it was X.Y.Z.1, just make it X.Y
                   2981:       pop (@prevrev);
                   2982:       pop (@prevrev);
                   2983:     }
                   2984:     $prev = join (".", @prevrev);
                   2985:   } until (defined($date{$prev}) || $prev eq "");
                   2986:
                   2987:   if ($isDead) {
3.219     scop     2988:     print "<b><i>FILE REMOVED</i></b><br />\n";
3.243     scop     2989:   } else {
3.120     scop     2990:     my %diffrev = ();
                   2991:     $diffrev{$_} = 1;
                   2992:     $diffrev{""} = 1;
                   2993:     my $diff = 'Diff';
3.219     scop     2994:     my $printed = 0;
3.120     scop     2995:
                   2996:     #
                   2997:     # Offer diff to previous revision
                   2998:     if ($prev) {
                   2999:       $diffrev{$prev} = 1;
                   3000:       my $url =
3.203     scop     3001:         sprintf('%s.diff?r1=%s;r2=%s%s', $scriptwhere, $prev, $_, $barequery);
3.225     scop     3002:       if (my @dlinks = getDiffLinks($url, $mimetype, $isbin)) {
                   3003:         print $diff, ' to previous ', $prev, ': ', join(', ', @dlinks);
                   3004:         $diff = ''; $printed = 1;
                   3005:       }
3.120     scop     3006:     }
                   3007:
                   3008:     #
                   3009:     # Plus, if it's on a branch, and it's not a vendor branch,
                   3010:     # offer a diff with the branch point.
                   3011:     if ($revsym{$brp}
                   3012:       && !/^1\.1\.1\.\d+$/
                   3013:       && !defined($diffrev{$brp}))
                   3014:     {
                   3015:       my $url =
3.203     scop     3016:         sprintf('%s.diff?r1=%s;r2=%s%s', $scriptwhere, $brp, $_, $barequery);
3.225     scop     3017:       if (my @dlinks = getDiffLinks($url, $mimetype, $isbin)) {
                   3018:         print $diff, ' to branchpoint ', $brp, ': ', join(', ', @dlinks);
                   3019:         $diff = ''; $printed = 1;
                   3020:       }
3.120     scop     3021:     }
                   3022:
                   3023:     #
                   3024:     # Plus, if it's on a branch, and it's not a vendor branch,
                   3025:     # offer to diff with the next revision of the higher branch.
                   3026:     # (e.g. change gets committed and then brought
                   3027:     # over to -stable)
                   3028:     if (/^\d+\.\d+\.\d+/ && !/^1\.1\.1\.\d+$/) {
                   3029:       my ($i, $nextmain);
                   3030:
                   3031:       for ($i = 0; $i < $#revorder && $revorder[$i] ne $_; $i++) {
                   3032:       }
                   3033:       my @tmp2 = split (/\./, $_);
                   3034:       for ($nextmain = ""; $i > 0; $i--) {
                   3035:         my $next = $revorder[$i - 1];
                   3036:         my @tmp1 = split (/\./, $next);
                   3037:
                   3038:         if (@tmp1 < @tmp2) {
                   3039:           $nextmain = $next;
                   3040:           last;
                   3041:         }
                   3042:
                   3043:         # Only the highest version on a branch should have
                   3044:         # a diff for the "next main".
                   3045:         last
                   3046:           if (@tmp1 - 1 <= @tmp2
                   3047:           && join (".", @tmp1[0 .. $#tmp1 - 1]) eq
                   3048:           join (".", @tmp2[0 .. $#tmp1 - 1]));
                   3049:       }
                   3050:
                   3051:       if (!defined($diffrev{$nextmain})) {
                   3052:         $diffrev{$nextmain} = 1;
3.203     scop     3053:         my $url = sprintf('%s.diff?r1=%s;r2=%s%s',
3.120     scop     3054:           $scriptwhere, $nextmain, $_, $barequery);
3.225     scop     3055:         if (my @dlinks = getDiffLinks($url, $mimetype, $isbin)) {
                   3056:           print $diff, ' next main ', $nextmain, ': ', join(', ', @dlinks);
                   3057:           $diff = ''; $printed = 1;
                   3058:         }
3.120     scop     3059:       }
                   3060:     }
                   3061:
                   3062:     # Plus if user has selected only r1, then present a link
                   3063:     # to make a diff to that revision
3.254     scop     3064:     if (defined($input{r1}) && !defined($diffrev{$input{r1}})) {
                   3065:       $diffrev{$input{r1}} = 1;
3.203     scop     3066:       my $url = sprintf('%s.diff?r1=%s;r2=%s%s',
3.254     scop     3067:         $scriptwhere, $input{r1}, $_, $barequery);
3.225     scop     3068:       if (my @dlinks = getDiffLinks($url, $mimetype, $isbin)) {
                   3069:         print $diff, ' to selected ', $input{r1}, ': ', join(', ', @dlinks);
                   3070:         $diff = ''; $printed = 1;
                   3071:       }
3.120     scop     3072:     }
                   3073:
3.219     scop     3074:     print "<br />\n" if $printed;
                   3075:   }
                   3076:
                   3077:   if ($prev ne "" && $difflines{$_}) {
                   3078:     printf "Changes since revision %s: %s lines<br />\n",
                   3079:       htmlquote($prev), htmlquote($difflines{$_});
3.120     scop     3080:   }
3.189     scop     3081:
3.219     scop     3082:   print "<pre class=\"log\">\n";
3.120     scop     3083:   print &htmlify($log{$_}, $allow_log_extra);
                   3084:   print "</pre>\n";
                   3085: }
                   3086:
3.175     scop     3087:
3.132     scop     3088: #
                   3089: # Generates the HTML view for CvsGraph.
                   3090: #
3.170     scop     3091: sub doGraphView()
3.132     scop     3092: {
                   3093:   (my $pathname = $where) =~ s|[^/]*$||;
                   3094:   (my $filename = $where) =~ s|^.*/||;
                   3095:
3.170     scop     3096:   navigateHeader($scriptwhere, $pathname, $filename, undef, 'graph');
3.132     scop     3097:
3.146     scop     3098:   my $title = 'Revision graph of ' . htmlquote($pathname . $filename);
3.132     scop     3099:   my $mapname = 'CvsGraphMap';
                   3100:
3.170     scop     3101:   printf(<<EOF, $title, $mapname, $cvstree, $title);
3.146     scop     3102: <h3 style="text-align: center">%s</h3>
3.219     scop     3103: <div style="text-align: center"><img border="0" usemap="#%s" src="?cvsroot=%s;graph=1;makeimage=1" alt="%s" />
3.146     scop     3104: EOF
3.132     scop     3105:
3.255     scop     3106:   # Remove any pre-existing tag/branch names from branch links.
                   3107:   (my $bquery = $barequery) =~ s/[;&]+only_with_tag=.*?(?=[;&]|$)//g;
                   3108:   $bquery = hrefquote($bquery);
3.181     scop     3109:   my $qquery = hrefquote($barequery);
3.255     scop     3110:
3.135     scop     3111:   my @graph_cmd =
                   3112:     ($CMD{cvsgraph},
                   3113:      '-r', $cvsroot,
3.249     scop     3114:      '-m', $pathname,
3.135     scop     3115:      '-i',
                   3116:      '-M', $mapname,
3.208     scop     3117:      '-x', 'x',
3.255     scop     3118:      "-Omap_branch_href=\"href=\\\"./?only_with_tag=%(%t%)$bquery\\\"\"",
3.219     scop     3119:      "-Omap_rev_href=\"href=\\\"?rev=%(%R%)$qquery\\\"\"",
3.146     scop     3120:      "-Omap_diff_href=\"href=\\\"%(%F%).diff" .
3.203     scop     3121:      "?r1=%(%P%);r2=%(%R%)$qquery\\\"\"",
3.135     scop     3122:      );
3.132     scop     3123:   push(@graph_cmd, '-c', $cvsgraph_config) if $cvsgraph_config;
3.249     scop     3124:   push(@graph_cmd, $filename . ',v');
3.132     scop     3125:
3.174     scop     3126:   local *CVSGRAPH_OUT;
                   3127:   my ($h, $err) =
3.229     scop     3128:     startproc(\@graph_cmd, \"", '>pipe', \*CVSGRAPH_OUT);
3.174     scop     3129:   fatal('500 Internal Error', $err) unless $h;
3.242     scop     3130:
                   3131:   # Browser compatibility kludge: many browsers do not support client side
                   3132:   # image maps where the <map> element contains only the id attribute.  Let's
                   3133:   # add the corresponding name attribute to it on the fly.
                   3134:   while (<CVSGRAPH_OUT>) {
                   3135:     s/(<map\s+id="([^"]+)")\s*>/$1 name="$2">/;
                   3136:     print;
3.132     scop     3137:   }
3.242     scop     3138:
3.229     scop     3139:   $h->finish();
3.219     scop     3140:   print "</div>\n";
3.132     scop     3141:
                   3142:   html_footer();
                   3143: }
                   3144:
3.175     scop     3145:
3.132     scop     3146: #
                   3147: # Generates a graph using CvsGraph.
                   3148: #
3.170     scop     3149: sub doGraph()
3.132     scop     3150: {
                   3151:   (my $pathname = $where) =~ s|[^/]*$||;
                   3152:   (my $filename = $where) =~ s|^.*/||;
                   3153:
                   3154:   http_header('image/png');
                   3155:
3.249     scop     3156:   my @graph_cmd = ($CMD{cvsgraph}, '-r', $cvsroot, '-m', $pathname);
3.132     scop     3157:   push(@graph_cmd, '-c', $cvsgraph_config) if $cvsgraph_config;
3.249     scop     3158:   push(@graph_cmd, $filename . ',v');
3.132     scop     3159:
3.174     scop     3160:   local *CVSGRAPH_OUT;
                   3161:   my ($h, $err) =
3.229     scop     3162:     startproc(\@graph_cmd, \"", '>pipe', \*CVSGRAPH_OUT);
3.174     scop     3163:   fatal('500 Internal Error', $err) unless $h;
3.132     scop     3164:   {
                   3165:     local $/ = undef;
                   3166:     binmode(\*STDOUT);
3.174     scop     3167:     print <CVSGRAPH_OUT>;
3.132     scop     3168:   }
3.229     scop     3169:   $h->finish();
3.132     scop     3170: }
                   3171:
                   3172:
3.120     scop     3173: sub doLog($)
                   3174: {
                   3175:   my ($fullname) = @_;
                   3176:
3.217     scop     3177:   my $curbranch = readLog($fullname);
3.120     scop     3178:
                   3179:   html_header("CVS log for $where");
3.144     scop     3180:
                   3181:   (my $upwhere  = $where) =~ s|(Attic/)?[^/]+$||;
                   3182:   (my $filename = $where) =~ s|^.*/||;
                   3183:   my $backurl = $scriptname . "/" . urlencode($upwhere) . $query;
                   3184:
3.219     scop     3185:   my $isbin = $keywordsubstitution =~ /b/;
                   3186:   my $mimetype = getMimeType($filename, $isbin);
                   3187:
3.120     scop     3188:   print "<p>\n ";
                   3189:   print &link($backicon, "$backurl#$filename"), " <b>Up to ",
                   3190:     &clickablePath($upwhere, 1), "</b>\n</p>\n";
                   3191:   print "<p>\n ";
                   3192:   print &link('Request diff between arbitrary revisions', '#diff');
3.132     scop     3193:   if ($allow_cvsgraph) {
3.219     scop     3194:     print ' - ', &graph_link('', 'Display revisions graphically');
3.132     scop     3195:   }
3.258     scop     3196:   if ($cvshistory_url) {
                   3197:     (my $d = $upwhere) =~ s|/+$||;
                   3198:     print ' - ', history_link($d, $filename);
                   3199:   }
3.208     scop     3200:   print "\n</p>\n<hr />\n";
3.120     scop     3201:
                   3202:   print "<p>\n";
3.152     scop     3203:
3.219     scop     3204:   my $explain = $isbin ? ' (i.e.: CVS considers this a binary file)' : '';
3.208     scop     3205:   print "Keyword substitution: $keywordsubstitution$explain<br />\n";
3.217     scop     3206:   if ($curbranch) {
                   3207:     print "Default branch: ", ($revsym{$curbranch} || $curbranch);
                   3208:   } else {
                   3209:     print "No default branch";
                   3210:   }
3.208     scop     3211:   print "<br />\n";
3.120     scop     3212:
3.208     scop     3213:   print 'Current tag: ', htmlquote($input{only_with_tag}), "<br />\n"
3.153     scop     3214:     if $input{only_with_tag};
3.120     scop     3215:   print "</p>\n";
                   3216:
                   3217:   undef %nameprinted;
                   3218:
3.182     scop     3219:   for my $r (@revdisplayorder) {
3.208     scop     3220:     print "<hr />\n";
3.182     scop     3221:     my $sel = (defined($input{r1}) && $input{r1} eq $r);
                   3222:     print "<div class=\"diff-selected\">\n" if $sel;
3.219     scop     3223:     printLog($r, $mimetype, $isbin, 1, $sel);
3.182     scop     3224:     print "</div>\n" if $sel;
3.120     scop     3225:   }
                   3226:
3.144     scop     3227:   printf(<<EOF, $scriptwhere);
3.208     scop     3228: <hr />
                   3229: <form method="get" action="%s.diff" id="diff_select">
3.189     scop     3230: <fieldset>
                   3231: <legend>Diff request</legend>
3.144     scop     3232: <p>
                   3233:  <a name="diff">
3.189     scop     3234:   This form allows you to request diffs between any two revisions of a file.
3.144     scop     3235:   You may select a symbolic revision name using the selection box or you may
                   3236:   type in a numeric name using the type-in text box.
                   3237:  </a>
                   3238: </p>
                   3239: EOF
3.120     scop     3240:
                   3241:   foreach (@stickyvars) {
3.208     scop     3242:     printf("<input type=\"hidden\" name=\"%s\" value=\"%s\" />\n",
3.154     scop     3243:            $_, htmlquote($input{$_}))
3.194     scop     3244:       if (defined($input{$_}) &&
                   3245:           (!defined($DEFAULTVALUE{$_}) || $input{$_} ne $DEFAULTVALUE{$_}));
3.120     scop     3246:   }
3.144     scop     3247:
                   3248:   print <<EOF;
3.189     scop     3249: <table summary="Diff between arbitrary revisions">
3.144     scop     3250: <tr>
3.189     scop     3251: <td class="opt-label">
                   3252: <label for="r1" accesskey="1">Diffs between</label>
                   3253: </td>
                   3254: <td class="opt-value">
3.144     scop     3255: <select id="r1" name="r1">
3.208     scop     3256: <option value="text" selected="selected">Use Text Field</option>
3.144     scop     3257: EOF
                   3258:   print $sel, "</select>\n";
                   3259:
                   3260:   my $diffrev = defined($input{r1}) ?
                   3261:     $input{r1} : $revdisplayorder[$#revdisplayorder];
                   3262:
                   3263:   printf(<<EOF, $inputTextSize, $diffrev);
3.208     scop     3264: <input type="text" size="%s" name="tr1" value="%s" onchange="this.form.r1.selectedIndex=0" />
3.144     scop     3265: </td>
3.189     scop     3266: <td></td>
                   3267: </tr>
                   3268: <tr>
                   3269: <td class="opt-label">
                   3270: <label for="r2" accesskey="2">and</label>
                   3271: </td>
                   3272: <td class="opt-value">
3.144     scop     3273: <select id="r2" name="r2">
3.208     scop     3274: <option value="text" selected="selected">Use Text Field</option>
3.144     scop     3275: EOF
                   3276:   print $sel, "</select>\n";
                   3277:
                   3278:   $diffrev = defined($input{r2}) ? $input{r2} : $revdisplayorder[0];
                   3279:
                   3280:   printf(<<EOF, $inputTextSize, $diffrev, $scriptwhere);
3.208     scop     3281: <input type="text" size="%s" name="tr2" value="%s" onchange="this.form.r2.selectedIndex=0" />
3.144     scop     3282: </td>
3.208     scop     3283: <td><input type="submit" value="Get Diffs" accesskey="G" /></td>
3.144     scop     3284: </tr>
                   3285: </table>
3.189     scop     3286: </fieldset>
3.144     scop     3287: </form>
                   3288: <form method="get" action="%s">
3.189     scop     3289: <fieldset>
                   3290: <legend>Log view options</legend>
                   3291: <table summary="Log view options">
3.144     scop     3292: <tr>
3.189     scop     3293: <td class="opt-label">
                   3294: <label for="f" accesskey="D">Preferred diff type:</label>
                   3295: </td>
                   3296: <td class="opt-value">
3.144     scop     3297: EOF
3.120     scop     3298:   printDiffSelect($use_java_script);
3.144     scop     3299:   print <<EOF;
3.189     scop     3300: </td>
                   3301: <td></td>
3.144     scop     3302: </tr>
                   3303: EOF
3.120     scop     3304:
                   3305:   if (@branchnames) {
3.144     scop     3306:
                   3307:     printf(<<EOF, $use_java_script ? ' onchange="this.form.submit()"' : '');
                   3308: <tr>
3.189     scop     3309: <td class="opt-label">
3.188     scop     3310: <label for="only_with_tag" accesskey="B">View only branch:</label>
3.189     scop     3311: </td>
                   3312: <td class="opt-value">
                   3313: <a name="branch">
3.144     scop     3314: <select id="only_with_tag" name="only_with_tag"%s>
                   3315: EOF
3.120     scop     3316:
3.193     scop     3317:     my @tmp = ();
                   3318:     my $selfound = 0;
3.120     scop     3319:     foreach (reverse sort @branchnames) {
3.136     scop     3320:       my $selected =
3.254     scop     3321:         (defined($input{only_with_tag}) && $input{only_with_tag} eq $_);
3.193     scop     3322:       $selfound ||= $selected;
                   3323:       push(@tmp, sprintf('<option%s>%s</option>',
3.208     scop     3324:                          $selected ? ' selected="selected"' : '',
3.193     scop     3325:                          htmlquote($_)));
3.120     scop     3326:     }
3.193     scop     3327:     printf("<option value=\"\"%s>Show all branches</option>\n",
3.208     scop     3328:            $selfound ? '' : ' selected="selected"');
3.193     scop     3329:     print join("\n", @tmp);
                   3330:
3.144     scop     3331:     print <<EOF
                   3332: </select>
3.189     scop     3333: </a>
3.144     scop     3334: </td>
                   3335: <td></td>
                   3336: </tr>
                   3337: EOF
3.120     scop     3338:   }
                   3339:
3.144     scop     3340:   print <<EOF;
3.189     scop     3341: <tr>
                   3342: <td class="opt-label">
                   3343: <label for="logsort" accesskey="L">Sort log by:</label>
                   3344: </td>
                   3345: <td>
3.144     scop     3346: EOF
3.120     scop     3347:   printLogSortSelect($use_java_script);
3.144     scop     3348:   print <<EOF;
3.189     scop     3349: </td>
3.208     scop     3350: <td><input type="submit" value="Set" accesskey="S" /></td>
3.189     scop     3351: </tr>
3.144     scop     3352: </table>
                   3353: EOF
3.154     scop     3354:   foreach (@stickyvars) {
                   3355:     next if ($_ eq "f");
                   3356:     next if ($_ eq "only_with_tag");
                   3357:     next if ($_ eq "logsort");
3.208     scop     3358:     printf("<input type=\"hidden\" name=\"$_\" value=\"%s\" />\n",
3.154     scop     3359:            htmlquote($input{$_}))
                   3360:       if (defined($input{$_})
3.194     scop     3361:           && (!defined($DEFAULTVALUE{$_}) || $input{$_} ne $DEFAULTVALUE{$_}));
3.154     scop     3362:   }
3.189     scop     3363:   print "</fieldset>\n</form>\n";
3.120     scop     3364:   html_footer();
                   3365: }
                   3366:
3.175     scop     3367:
3.120     scop     3368: sub flush_diff_rows($$$$)
                   3369: {
                   3370:   my ($leftColRef, $rightColRef, $leftRow, $rightRow) = @_;
                   3371:
3.175     scop     3372:   return unless defined($state);
3.120     scop     3373:
                   3374:   if ($state eq "PreChangeRemove") {    # we just got remove-lines before
3.133     scop     3375:     for (my $j = 0; $j < $leftRow; $j++) {
3.256     scop     3376:       printf(<<EOF, spacedHtmlText(@$leftColRef[$j]));
3.144     scop     3377: <tr>
3.260   ! scop     3378:  <td class="diff diff-removed">&nbsp;%s</td>
        !          3379:  <td class="diff diff-empty">&nbsp;</td>
3.144     scop     3380: </tr>
                   3381: EOF
3.120     scop     3382:     }
                   3383:   } elsif ($state eq "PreChange") {     # state eq "PreChange"
                   3384:                                         # we got removes with subsequent adds
3.222     scop     3385:     if (HAS_EDIFF) {
3.176     scop     3386:       # construct the suffix tree
                   3387:       my $left_diff = join("\n", @$leftColRef[0..$leftRow-1]);
                   3388:       my $right_diff = join("\n", @$rightColRef[0..$rightRow-1]);
                   3389:       my $diff_str = String::Ediff::ediff($left_diff, $right_diff);
                   3390:
                   3391:       my @diff_str = split(/ /, $diff_str);
                   3392:       my $INFINITY = 10000000;
                   3393:       push(@diff_str, ($INFINITY) x 8);
                   3394:       my ($idx, $b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2) =
                   3395:         (0, @diff_str[0..7]);
                   3396:       my ($l_cul, $r_cul) = (0, 0);
                   3397:       my ($ldx, $rdx) = (0, 0);
                   3398:       my (@left_html, @right_html);
                   3399:       for (my $j = 0; $j < $leftRow; $j++) {
                   3400:         my $line_len = length(@$leftColRef[$j]);
                   3401:         my $line = @$leftColRef[$j];
                   3402:         $l_cul += length($line) + 1; # includes "\n"
                   3403:         my $l_culx = $l_cul - 1; # not includes "\n"
                   3404:         if ($j < $lb1) {
                   3405:           $line = spacedHtmlText($line);
3.260   ! scop     3406:           push(@left_html, "<td class=\"diff diff-changed\">$line</td>");
3.176     scop     3407:         } elsif ($lb1 == $j) {
                   3408:           my $html_line;
                   3409:           while ($lb1 == $j) {
                   3410:             my $begin_char = $l_culx - $b1;
                   3411:
                   3412:             $line =~ /^(.*)(.{$begin_char})$/;
                   3413:             $html_line .= spacedHtmlText($1) .
3.260   ! scop     3414:               '</span><span class="diff diff-unchanged">';
3.176     scop     3415:             $line = $2;
                   3416:             last if ($j != $le1);
                   3417:
                   3418:             my $end_char = $l_culx - $e1;
                   3419:             $line =~ /^(.*)(.{$end_char})$/;
                   3420:             $html_line .= spacedHtmlText($1) .
3.260   ! scop     3421:               '</span><span class="diff diff-changed">';
3.176     scop     3422:             $line = $2;
                   3423:
                   3424:             $idx++;
                   3425:             my ($tb1, $te1, $tlb1, $tle1, $tb2, $te2, $tlb2, $tle2) =
                   3426:               ($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2);
                   3427:             ($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2) =
                   3428:               @diff_str[$idx*8..($idx+1)*8-1];
                   3429:             $lb1 = $INFINITY if ($lb1 < 0);
                   3430:             $lb2 = $INFINITY if ($lb2 < 0);
                   3431:             $le1 = $INFINITY if ($le1 < 0);
                   3432:             $le2 = $INFINITY if ($le2 < 0);
                   3433:             if ($te1 > $b1) {
                   3434:               ($b1, $lb1) = ($te1, $tle1);
                   3435:             }
                   3436:             if ($te2 > $b2) {
                   3437:               ($b2, $lb2) = ($te2, $tle2);
                   3438:             }
                   3439:           }
                   3440:           push(@left_html,
3.260   ! scop     3441:                sprintf('<td><span class="diff diff-changed">%s%s</span></td>',
        !          3442:                        $html_line, spacedHtmlText($line)));
3.176     scop     3443:         } elsif ($le1 == $j) {
                   3444:           my $html_line;
                   3445:           while ($le1 == $j) {
                   3446:             my $end_char = $l_culx - $e1;
                   3447:             $line =~ /^(.*)(.{$end_char})$/;
                   3448:             $html_line .= spacedHtmlText($1) .
3.260   ! scop     3449:               '</span><span class="diff diff-changed">';
3.176     scop     3450:             $line = $2;
                   3451:
                   3452:             $idx++;
                   3453:             my ($tb1, $te1, $tlb1, $tle1, $tb2, $te2, $tlb2, $tle2) =
                   3454:               ($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2);
                   3455:             ($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2) =
                   3456:               @diff_str[$idx*8..($idx+1)*8-1];
                   3457:             $lb1 = $INFINITY if ($lb1 < 0);
                   3458:             $lb2 = $INFINITY if ($lb2 < 0);
                   3459:             $le1 = $INFINITY if ($le1 < 0);
                   3460:             $le2 = $INFINITY if ($le2 < 0);
                   3461:             if ($te1 > $b1) {
                   3462:               ($b1, $lb1) = ($te1, $tle1);
                   3463:             }
                   3464:             if ($te2 > $b2) {
                   3465:               ($b2, $lb2) = ($te2, $tle2);
                   3466:             }
                   3467:
                   3468:             last if ($lb1 != $j);
                   3469:
                   3470:             my $begin_char = $l_culx - $b1;
                   3471:
                   3472:             $line =~ /^(.*)(.{$begin_char})$/;
                   3473:             $html_line .= spacedHtmlText($1) .
3.260   ! scop     3474:               '</span><span class="diff diff-unchanged">';
3.176     scop     3475:             $line = $2;
                   3476:           }
                   3477:           push(@left_html,
3.260   ! scop     3478:               sprintf('<td><span class="diff diff-unchanged">%s%s</span></td>',
        !          3479:                       $html_line, spacedHtmlText($line)));
3.176     scop     3480:         } else {
                   3481:           $line = spacedHtmlText($line);
3.260   ! scop     3482:           push(@left_html, "<td class=\"diff diff-unchanged\">$line</td>");
3.176     scop     3483:         }
                   3484:       }
                   3485:       ($idx, $b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2) =
                   3486:         (0, @diff_str[0..7]);
                   3487:       $lb1 = $INFINITY if ($lb1 < 0);
                   3488:       $lb2 = $INFINITY if ($lb2 < 0);
                   3489:       $le1 = $INFINITY if ($le1 < 0);
                   3490:       $le2 = $INFINITY if ($le2 < 0);
                   3491:       for (my $j = 0; $j < $rightRow; $j++) {
                   3492:         my $line_len = length(@$rightColRef[$j]);
                   3493:         my $line = @$rightColRef[$j];
                   3494:         $r_cul += length($line) + 1; # includes "\n"
                   3495:         my $r_culx = $r_cul - 1; # not includes "\n"
                   3496:         if ($j < $lb2) {
                   3497:           $line = spacedHtmlText($line);
3.260   ! scop     3498:           push(@right_html, "<td class=\"diff diff-changed\">$line</td>");
3.176     scop     3499:         } elsif ($lb2 == $j) {
                   3500:           my $html_line;
                   3501:           while ($lb2 == $j) {
                   3502:             my $begin_char = $r_culx - $b2;
                   3503:
                   3504:             $line =~ /^(.*)(.{$begin_char})$/;
                   3505:             $html_line .= spacedHtmlText($1) .
3.260   ! scop     3506:               '</span><span class="diff diff-unchanged">';
3.176     scop     3507:             $line = $2;
                   3508:
                   3509:             last if ($j != $le2);
                   3510:
                   3511:             my $end_char = $r_culx - $e2;
                   3512:             $line =~ /^(.*)(.{$end_char})$/;
                   3513:             $html_line .= spacedHtmlText($1) .
3.260   ! scop     3514:               '</span><span class="diff diff-changed">';
3.176     scop     3515:             $line = $2;
                   3516:
                   3517:             $idx++;
                   3518:             my ($tb1, $te1, $tlb1, $tle1, $tb2, $te2, $tlb2, $tle2) =
                   3519:               ($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2);
                   3520:             ($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2) =
                   3521:               @diff_str[$idx*8..($idx+1)*8-1];
                   3522:             $lb1 = $INFINITY if ($lb1 < 0);
                   3523:             $lb2 = $INFINITY if ($lb2 < 0);
                   3524:             $le1 = $INFINITY if ($le1 < 0);
                   3525:             $le2 = $INFINITY if ($le2 < 0);
                   3526:             if ($te1 > $b1) {
                   3527:               ($b1, $lb1) = ($te1, $tle1);
                   3528:             }
                   3529:             if ($te2 > $b2) {
                   3530:               ($b2, $lb2) = ($te2, $tle2);
                   3531:             }
                   3532:           }
                   3533:           push(@right_html,
3.260   ! scop     3534:                sprintf('<td><span class="diff diff-changed">%s%s</span></td>',
        !          3535:                        $html_line, spacedHtmlText($line)));
3.176     scop     3536:         } elsif ($le2 == $j) {
                   3537:           my $html_line;
                   3538:           while ($le2 == $j) {
                   3539:             my $end_char = $r_culx - $e2;
                   3540:             $line =~ /^(.*)(.{$end_char})$/;
                   3541:             $html_line .= spacedHtmlText($1) .
3.260   ! scop     3542:               '</span><span class="diff diff-changed">';
3.176     scop     3543:             $line = $2;
                   3544:
                   3545:             $idx++;
                   3546:             my ($tb1, $te1, $tlb1, $tle1, $tb2, $te2, $tlb2, $tle2) =
                   3547:               ($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2);
                   3548:             ($b1, $e1, $lb1, $le1, $b2, $e2, $lb2, $le2) =
                   3549:               @diff_str[$idx*8..($idx+1)*8-1];
                   3550:             $lb1 = $INFINITY if ($lb1 < 0);
                   3551:             $lb2 = $INFINITY if ($lb2 < 0);
                   3552:             $le1 = $INFINITY if ($le1 < 0);
                   3553:             $le2 = $INFINITY if ($le2 < 0);
                   3554:             if ($te1 > $b1) {
                   3555:               ($b1, $lb1) = ($te1, $tle1);
                   3556:             }
                   3557:             if ($te2 > $b2) {
                   3558:               ($b2, $lb2) = ($te2, $tle2);
                   3559:             }
                   3560:
                   3561:             last if ($lb2 != $j);
                   3562:
                   3563:             my $begin_char = $r_culx - $b2;
                   3564:             $line =~ /^(.*)(.{$begin_char})$/;
                   3565:             $html_line .= spacedHtmlText($1) .
3.260   ! scop     3566:               '</span><span class="diff diff-unchanged">';
3.176     scop     3567:             $line = $2;
                   3568:           }
                   3569:           push(@right_html,
3.260   ! scop     3570:                sprintf('<td nowrap="nowrap"><span class="diff diff-unchanged"'.
        !          3571:                        '>%s%s</span></td>',
        !          3572:                        $html_line, spacedHtmlText($line)));
3.176     scop     3573:         } else {
                   3574:           $line = spacedHtmlText ($line);
3.260   ! scop     3575:           push @right_html, "<td class=\"diff diff-unchanged\">$line</td>";
3.176     scop     3576:         }
                   3577:       }
                   3578:       for (my $j = 0; $j < $leftRow || $j < $rightRow ; $j++) { # dump out both cols
                   3579:         print  '<tr>';
                   3580:         if ($j < $leftRow) {
                   3581:           print $left_html[$j];
                   3582:         } else {
3.260   ! scop     3583:           print '<td class="diff diff-changed-missing">&nbsp;</td>';
3.176     scop     3584:         }
                   3585:         if ($j < $rightRow) {
                   3586:           print $right_html[$j];
                   3587:         } else {
3.260   ! scop     3588:           print '<td class="diff diff-changed-missing">&nbsp;</td>';
3.176     scop     3589:         }
                   3590:         print "</tr>\n";
3.120     scop     3591:       }
3.176     scop     3592:     } else {
                   3593:       for (my $j = 0; $j < $leftRow || $j < $rightRow; $j++) { # dump both cols
                   3594:         print "<tr>\n";
                   3595:         if ($j < $leftRow) {
3.260   ! scop     3596:           print '<td class="diff diff-changed">&nbsp;' .
3.176     scop     3597:             spacedHtmlText(@$leftColRef[$j]) . '</td>';
                   3598:         } else {
3.260   ! scop     3599:           print '<td class="diff diff-changed-missing">&nbsp;</td>';
3.176     scop     3600:         }
                   3601:         print "\n";
3.120     scop     3602:
3.176     scop     3603:         if ($j < $rightRow) {
3.260   ! scop     3604:           print '<td class="diff diff-changed">&nbsp;' .
3.176     scop     3605:             spacedHtmlText(@$rightColRef[$j]) . '</td>';
                   3606:         } else {
3.260   ! scop     3607:           print '<td class="diff diff-changed-missing">&nbsp;</td>';
3.176     scop     3608:         }
                   3609:         print "\n</tr>\n";
3.120     scop     3610:       }
                   3611:     }
                   3612:   }
3.1       knu      3613: }
                   3614:
3.175     scop     3615:
3.1       knu      3616: ##
                   3617: # Function to generate Human readable diff-files
                   3618: # human_readable_diff(String revision_to_return_to);
                   3619: ##
3.144     scop     3620: sub human_readable_diff($$)
3.120     scop     3621: {
                   3622:   my ($fh, $rev) = @_;
3.144     scop     3623:
3.169     scop     3624:   (my $where_nd       = $where)       =~ s|\.diff$||;
                   3625:   (my $filename       = $where_nd)    =~ s|^.*/||;
                   3626:   (my $pathname       = $where_nd)    =~ s|(Attic/)?[^/]*$||;
                   3627:   (my $scriptwhere_nd = $scriptwhere) =~ s|\.diff$||;
3.120     scop     3628:
3.133     scop     3629:   navigateHeader($scriptwhere_nd, $pathname, $filename, $rev, 'diff');
3.120     scop     3630:
3.178     scop     3631:   # Read header to pick up read revision and date, if possible.
                   3632:
                   3633:   my ($r1d, $r1r, $r2d, $r2r);
3.120     scop     3634:   while (<$fh>) {
                   3635:     ($r1d, $r1r) = /\t(.*)\t(.*)$/ if (/^--- /);
                   3636:     ($r2d, $r2r) = /\t(.*)\t(.*)$/ if (/^\+\+\+ /);
                   3637:     last if (/^\+\+\+ /);
                   3638:   }
                   3639:
3.178     scop     3640:   my ($rev1, $date1);
3.120     scop     3641:   if (defined($r1r) && $r1r =~ /^(\d+\.)+\d+$/) {
                   3642:     $rev1  = $r1r;
                   3643:     $date1 = $r1d;
                   3644:   }
3.178     scop     3645:   my ($rev2, $date2);
3.120     scop     3646:   if (defined($r2r) && $r2r =~ /^(\d+\.)+\d+$/) {
                   3647:     $rev2  = $r2r;
                   3648:     $date2 = $r2d;
                   3649:   }
3.178     scop     3650:   $rev1  = 'unknown-left'  unless defined($rev1);
                   3651:   $rev2  = 'unknown-right' unless defined($rev2);
                   3652:   $date1 = defined($date1) ? ', ' . htmlquote($date1) : '';
                   3653:   $date2 = defined($date2) ? ', ' . htmlquote($date2) : '';
3.120     scop     3654:
3.219     scop     3655:   my $link = uri_escape($filename) . $query;
3.210     scop     3656:
3.144     scop     3657:   # Using <table style=\"border: none\" here breaks NS 4.x badly...
3.210     scop     3658:   print <<EOF;
                   3659: <h3 style="text-align: center">Diff for /$where_nd between versions $rev1 and $rev2</h3>
                   3660: <table border="0" cellspacing="0" cellpadding="0" width="100%" summary="Diff output">
3.144     scop     3661: <tr style="background-color: #ffffff">
3.210     scop     3662: <th style="text-align: center; vertical-align: top" width="50%">
                   3663: <a href="$link;rev=$rev1">version $rev1</a>$date1
3.178     scop     3664: </th>
3.210     scop     3665: <th style="text-align: center; vertical-align: top" width="50%">
                   3666: <a href="$link;rev=$rev2">version $rev2</a>$date2
3.144     scop     3667: </th>
3.178     scop     3668: </tr>
3.144     scop     3669: EOF
3.120     scop     3670:
                   3671:   # Process diff text
                   3672:   # prefetch several lines
                   3673:   my @buf = head($fh);
3.144     scop     3674:   my %d = scan_directives(@buf);
3.120     scop     3675:
3.144     scop     3676:   my $leftRow  = 0;
                   3677:   my $rightRow = 0;
                   3678:   my ($difftxt, @rightCol, @leftCol, $oldline, $newline, $funname);
3.120     scop     3679:
3.219     scop     3680:   $link .= ';content-type=text%2Fx-cvsweb-markup';
3.210     scop     3681:   $link .= ';ln=1' unless ($link =~ /\?.*\bln=1\b/);
                   3682:
3.120     scop     3683:   while (@buf || !eof($fh)) {
                   3684:     $difftxt = @buf ? shift @buf : <$fh>;
                   3685:
                   3686:     if ($difftxt =~ /^@@/) {
                   3687:       ($oldline, $newline, $funname) =
                   3688:         $difftxt =~ /@@ \-([0-9]+).*\+([0-9]+).*@@(.*)/;
                   3689:       $funname = htmlquote($funname);
                   3690:       $funname =~ s/\s/&nbsp;/go;
3.182     scop     3691:       $funname &&= "&nbsp;<span style=\"font-size: smaller\">$funname</span>";
3.210     scop     3692:       my $ol = $oldline || 1;
                   3693:       my $nl = $newline || 1;
3.144     scop     3694:
3.210     scop     3695:       print <<EOF;
3.182     scop     3696: <tr>
3.210     scop     3697: <td width="50%" class="diff-heading">
                   3698:  <b><a href="$link;rev=$rev1#l$ol">Line&nbsp;$oldline</a></b>$funname
3.182     scop     3699: </td>
3.210     scop     3700: <td width="50%" class="diff-heading">
                   3701:  <b><a href="$link;rev=$rev2#l$nl">Line&nbsp;$newline</a></b>$funname
3.144     scop     3702: </td>
3.208     scop     3703: </tr>
3.144     scop     3704: EOF
                   3705:
3.120     scop     3706:       $state    = "dump";
                   3707:       $leftRow  = 0;
                   3708:       $rightRow = 0;
                   3709:     } else {
3.224     scop     3710:       my ($diffcode, $rest) = $difftxt =~ /^([-+ ])(.*)/;
                   3711:       $diffcode = '' unless defined($diffcode);
3.176     scop     3712:       $_ = $rest;
3.120     scop     3713:
                   3714:       #########
                   3715:       # little state machine to parse unified-diff output (Hen, zeller@think.de)
                   3716:       # in order to get some nice 'ediff'-mode output
                   3717:       # states:
                   3718:       #  "dump"             - just dump the value
                   3719:       #  "PreChangeRemove"  - we began with '-' .. so this could be the start of a 'change' area or just remove
                   3720:       #  "PreChange"        - okey, we got several '-' lines and moved to '+' lines -> this is a change block
                   3721:       ##########
                   3722:
                   3723:       if ($diffcode eq '+') {
                   3724:         if ($state eq "dump")
                   3725:         {    # 'change' never begins with '+': just dump out value
3.254     scop     3726:           $_ = spacedHtmlText($rest, $d{tabstop});
3.144     scop     3727:           printf(<<EOF, $_);
                   3728: <tr>
3.260   ! scop     3729:  <td class="diff diff-empty">&nbsp;</td>
        !          3730:  <td class="diff diff-added">&nbsp;%s</td>
3.144     scop     3731: </tr>
                   3732: EOF
3.120     scop     3733:         } else {    # we got minus before
                   3734:           $state = "PreChange";
                   3735:           $rightCol[$rightRow++] = $_;
                   3736:         }
                   3737:       } elsif ($diffcode eq '-') {
                   3738:         $state = "PreChangeRemove";
                   3739:         $leftCol[$leftRow++] = $_;
                   3740:       } else {    # empty diffcode
                   3741:         flush_diff_rows \@leftCol, \@rightCol, $leftRow, $rightRow;
3.254     scop     3742:         $_ = spacedHtmlText($rest, $d{tabstop});
3.147     scop     3743:         printf(<<EOF, $_, $_);
3.144     scop     3744: <tr>
3.260   ! scop     3745:  <td class="diff diff-same">&nbsp;%s</td>
        !          3746:  <td class="diff diff-same">&nbsp;%s</td>
3.144     scop     3747: </tr>
                   3748: EOF
3.120     scop     3749:         $state    = "dump";
                   3750:         $leftRow  = 0;
                   3751:         $rightRow = 0;
                   3752:       }
                   3753:     }
                   3754:   }
                   3755:   close($fh);
                   3756:
                   3757:   flush_diff_rows \@leftCol, \@rightCol, $leftRow, $rightRow;
                   3758:
                   3759:   # state is empty if we didn't have any change
                   3760:   if (!$state) {
3.144     scop     3761:     print <<EOF;
                   3762: <tr>
                   3763:  <td colspan="2">&nbsp;</td>
                   3764: </tr>
3.260   ! scop     3765: <tr class="diff diff-empty">
3.144     scop     3766:  <td colspan="2" align="center"><b>- No viewable change -</b></td>
                   3767: </tr>
                   3768: EOF
3.120     scop     3769:   }
                   3770:
3.182     scop     3771:   printf(<<EOF, $scriptwhere);
3.144     scop     3772: </table>
3.208     scop     3773: <hr style="width: 100%%" />
3.144     scop     3774: <form method="get" action="%s">
3.182     scop     3775: <div style="float: left">
3.208     scop     3776: <label for="f">Diff format:<br />
3.144     scop     3777: EOF
3.168     scop     3778:   printDiffSelectStickyVars();
3.120     scop     3779:   printDiffSelect($use_java_script);
3.182     scop     3780:   printf(<<EOF, $rev1, $rev2);
3.179     scop     3781: </label>
3.208     scop     3782: <input type="submit" value="Show" />
3.182     scop     3783: </div>
                   3784: <table style="float: right; border: thin outset" cellspacing="0" cellpadding="1" title="Legend" summary="Legend">
                   3785:  <tr>
3.260   ! scop     3786:   <td align="center" class="diff diff-removed">Removed from v.%s</td>
        !          3787:   <td class="diff diff-empty">&nbsp;</td>
        !          3788:  </tr><tr class="diff diff-changed">
3.182     scop     3789:   <td align="center" colspan="2">changed lines</td>
                   3790:  </tr><tr>
3.260   ! scop     3791:   <td class="diff diff-empty">&nbsp;</td>
        !          3792:   <td align="center" class="diff diff-added">Added in v.%s</td>
3.182     scop     3793:  </tr>
3.144     scop     3794: </table>
                   3795: </form>
3.208     scop     3796: <br clear="all" />
3.144     scop     3797: EOF
3.120     scop     3798: }
3.167     scop     3799:
                   3800:
3.245     scop     3801: sub doEnscript($$$;$)
3.167     scop     3802: {
3.240     scop     3803:   my ($filehandle, $highlight, $linenumbers, $lang) = @_;
                   3804:   $lang ||= 'cvsweb';
3.167     scop     3805:
3.174     scop     3806:   my @cmd = ($CMD{enscript},
                   3807:              @enscript_options,
3.240     scop     3808:              '-q', "--language=$lang", '-o', '-', "--highlight=$highlight");
3.174     scop     3809:
                   3810:   local *ENSCRIPT_OUT;
                   3811:   my ($h, $err) =
3.229     scop     3812:     startproc(\@cmd, $filehandle, '>pipe', \*ENSCRIPT_OUT);
3.174     scop     3813:   fatal('500 Internal Error', $err) unless $h;
                   3814:
                   3815:   # We could short-circuit and have enscript output directly to STDOUT above,
                   3816:   # but that doesn't work with mod_perl (at least some 1.99 versions).
                   3817:   if ($linenumbers) {
                   3818:     my $ln = 0;
                   3819:     while (<ENSCRIPT_OUT>) {
                   3820:       printf '<a id="l%d" class="src">%5d: </a>', (++$ln) x 2;
                   3821:       print $_;
3.167     scop     3822:     }
3.174     scop     3823:   } else {
                   3824:     local $/ = undef;
                   3825:     print <ENSCRIPT_OUT>;
3.167     scop     3826:   }
3.229     scop     3827:   $h->finish();
3.167     scop     3828: }
                   3829:
3.120     scop     3830:
3.163     scop     3831: sub navigateHeader($$$$$;$)
3.120     scop     3832: {
3.163     scop     3833:   my ($swhere, $path, $filename, $rev, $title, $moddate) = @_;
3.120     scop     3834:   $swhere = "" if ($swhere eq $scriptwhere);
                   3835:   $swhere = './' . urlencode($filename) if ($swhere eq "");
                   3836:
3.136     scop     3837:   my $qfile = htmlquote($filename);
                   3838:   my $qpath = htmlquote($path);
3.170     scop     3839:   my $trev  = $rev ? " - $rev" : '';
3.100     knu      3840:
3.163     scop     3841:   http_header('', $moddate);
3.133     scop     3842:
3.120     scop     3843:   print <<EOF;
3.100     knu      3844: $HTML_DOCTYPE
3.89      knu      3845: <html>
                   3846: <head>
3.170     scop     3847: <title>$qpath$qfile - $title$trev</title>
3.144     scop     3848: $HTML_META$CSS</head>
3.129     scop     3849: <body class="src">
3.182     scop     3850: <table class="navigate-header" width="100%">
3.184     scop     3851:  <tr>
                   3852:   <td>
3.64      knu      3853: EOF
                   3854:
3.170     scop     3855:   print &link($backicon, "$swhere$query" . ($rev ? "#rev$rev" : ''));
3.136     scop     3856:   printf '<b>Return to %s CVS log',
3.205     scop     3857:     &link($qfile, "$swhere$query" . ($rev ? "#rev$rev" : ''));
3.120     scop     3858:   print "</b> $fileicon</td>";
                   3859:
3.144     scop     3860:   printf(<<EOF, $diricon, &clickablePath($path, 1));
3.182     scop     3861:   <td style="text-align: right">%s <b>Up to %s</b></td>
3.144     scop     3862:  </tr>
                   3863: </table>
                   3864: EOF
3.120     scop     3865: }
                   3866:
3.175     scop     3867:
3.120     scop     3868: sub plural_write($$)
                   3869: {
                   3870:   my ($num, $text) = @_;
                   3871:   if ($num != 1) {
                   3872:     $text .= "s";
                   3873:   }
                   3874:
                   3875:   if ($num > 0) {
                   3876:     return join (' ', $num, $text);
                   3877:   } else {
                   3878:     return "";
                   3879:   }
3.1       knu      3880: }
                   3881:
3.175     scop     3882:
3.1       knu      3883: ##
                   3884: # print readable timestamp in terms of
                   3885: # '..time ago'
                   3886: # H. Zeller <zeller@think.de>
                   3887: ##
3.120     scop     3888: sub readableTime($$)
                   3889: {
                   3890:   my ($secs, $long) = @_;
                   3891:
3.175     scop     3892:   # This function works correctly for time >= 2 seconds.
                   3893:   return 'very little time' if ($secs < 2);
3.120     scop     3894:
                   3895:   my %desc = (
3.133     scop     3896:               1        => 'second',
                   3897:               60       => 'minute',
                   3898:               3600     => 'hour',
                   3899:               86400    => 'day',
                   3900:               604800   => 'week',
                   3901:               2628000  => 'month',
                   3902:               31536000 => 'year'
                   3903:              );
                   3904:
3.120     scop     3905:   my @breaks = sort { $a <=> $b } keys %desc;
3.133     scop     3906:   my $i = 0;
3.120     scop     3907:
                   3908:   while ($i <= $#breaks && $secs >= 2 * $breaks[$i]) {
                   3909:     $i++;
                   3910:   }
                   3911:   $i--;
3.133     scop     3912:   my $break  = $breaks[$i];
                   3913:   my $retval = plural_write(int($secs / $break), $desc{$break});
3.120     scop     3914:
                   3915:   if ($long == 1 && $i > 0) {
                   3916:     my $rest = $secs % $break;
                   3917:     $i--;
                   3918:     $break = $breaks[$i];
                   3919:     my $resttime = plural_write(int($rest / $break), $desc{$break});
                   3920:     if ($resttime) {
                   3921:       $retval .= ", $resttime";
                   3922:     }
                   3923:   }
3.1       knu      3924:
3.120     scop     3925:   return $retval;
3.1       knu      3926: }
                   3927:
3.175     scop     3928:
3.1       knu      3929: ##
                   3930: # clickablePath(String pathname, boolean last_item_clickable)
                   3931: #
                   3932: # returns a html-ified path whereas each directory is a link for
                   3933: # faster navigation. last_item_clickable controls whether the
                   3934: # basename (last directory/file) is a link as well
                   3935: ##
3.120     scop     3936: sub clickablePath($$)
                   3937: {
                   3938:   my ($pathname, $clickLast) = @_;
                   3939:
3.154     scop     3940:   my $root = '[' . htmlquote($CVSROOTdescr{$cvstree} || $cvstree) . ']';
                   3941:
3.144     scop     3942:   # This should never happen (see chooseCVSRoot()), but let's be sure...
3.154     scop     3943:   return $root if ($pathname eq '/');
3.120     scop     3944:
3.144     scop     3945:   my $retval =
3.154     scop     3946:     ' ' . &link($root, sprintf('%s/%s#dirlist', $scriptname, $query));
3.144     scop     3947:   my $wherepath = '';
                   3948:   my ($lastslash) = $pathname =~ m|/$|;
                   3949:
                   3950:   foreach (split (/\//, $pathname)) {
                   3951:     $retval .= ' / ';
                   3952:     $wherepath .= "/$_";
                   3953:     my $last = "$wherepath/" eq "/$pathname" || $wherepath eq "/$pathname";
                   3954:
                   3955:     if ($clickLast || !$last) {
                   3956:       $retval .= &link(htmlquote($_),
                   3957:                        join ('',
                   3958:                              $scriptname, urlencode($wherepath),
                   3959:                              (!$last || $lastslash ? '/' : ''), $query,
                   3960:                              (!$last || $lastslash ? "#dirlist" : "")));
                   3961:     } else {    # do not make a link to the current dir
                   3962:       $retval .= htmlquote($_);
3.120     scop     3963:     }
                   3964:   }
                   3965:   return $retval;
                   3966: }
                   3967:
3.144     scop     3968:
3.120     scop     3969: sub chooseCVSRoot()
                   3970: {
3.208     scop     3971:   print "<form method=\"get\" action=\"${scriptwhere}\">\n<p>\n";
3.120     scop     3972:   if (2 <= @CVSROOT) {
3.133     scop     3973:     foreach my $k (keys %input) {
3.208     scop     3974:       printf("<input type=\"hidden\" name=\"%s\" value=\"%s\" />\n",
3.154     scop     3975:              htmlquote($k), htmlquote($input{$k}))
                   3976:         if ($input{$k} && $k ne 'cvsroot');
3.120     scop     3977:     }
                   3978:
3.144     scop     3979:     printf(<<EOF, $use_java_script ? ' onchange="this.form.submit()"' : '');
3.208     scop     3980: <label for="cvsroot" accesskey="C">CVS Root:
3.144     scop     3981: <select id="cvsroot" name="cvsroot"%s>
                   3982: EOF
3.120     scop     3983:
3.133     scop     3984:     foreach my $k (@CVSROOT) {
3.136     scop     3985:       printf("<option value=\"%s\"%s>%s</option>\n",
                   3986:              htmlquote($k),
3.208     scop     3987:              ($k eq $cvstree) ? ' selected="selected"' : '',
3.136     scop     3988:              htmlquote($CVSROOTdescr{$k} || $k));
3.120     scop     3989:     }
3.208     scop     3990:     print '</select></label>';
3.120     scop     3991:   } else {
                   3992:
                   3993:     # no choice -- but we need the form to select module/path,
                   3994:     # at least for Netscape
3.208     scop     3995:     printf "CVS Root: <b>[%s]</b>",
3.154     scop     3996:       htmlquote($CVSROOTdescr{$cvstree} || $cvstree);
3.120     scop     3997:   }
                   3998:
3.144     scop     3999:   print <<EOF;
                   4000: <label for="mpath" accesskey="M">
                   4001: Module path or alias:
3.208     scop     4002: <input type="text" id="mpath" name="path" value="" size="15" />
3.144     scop     4003: </label>
3.208     scop     4004: <input type="submit" value="Go" accesskey="O" />
                   4005: </p>
                   4006: </form>
3.144     scop     4007: EOF
3.120     scop     4008: }
                   4009:
3.175     scop     4010:
3.120     scop     4011: sub chooseMirror()
                   4012: {
                   4013:   # This code comes from the original BSD-cvsweb
                   4014:   # and may not be useful for your site; If you don't
                   4015:   # set %MIRRORS this won't show up, anyway.
                   4016:   scalar(%MIRRORS) or return;
                   4017:
                   4018:   # Should perhaps exclude the current site somehow...
                   4019:   print "\n<p>\nThis CVSweb is mirrored in\n";
                   4020:
                   4021:   my @tmp = map(&link(htmlquote($_), $MIRRORS{$_}), sort keys %MIRRORS);
                   4022:   my $tmp = pop (@tmp);
                   4023:
                   4024:   if (scalar(@tmp)) {
                   4025:     print join (', ', @tmp), ' and ';
                   4026:   }
                   4027:
                   4028:   print "$tmp.\n</p>\n";
                   4029: }
                   4030:
3.175     scop     4031:
3.120     scop     4032: sub fileSortCmp()
                   4033: {
3.175     scop     4034:   (my $af = $a) =~ s/,v$//;
                   4035:   (my $bf = $b) =~ s/,v$//;
3.120     scop     4036:   my ($rev1, $date1, $log1, $author1, $filename1) = @{$fileinfo{$af}}
                   4037:     if (defined($fileinfo{$af}));
                   4038:   my ($rev2, $date2, $log2, $author2, $filename2) = @{$fileinfo{$bf}}
                   4039:     if (defined($fileinfo{$bf}));
                   4040:
3.175     scop     4041:   my $comp = 0;
3.140     scop     4042:   if (defined($filename1) && defined($filename2) &&
                   4043:       $af eq $filename1   && $bf eq $filename2)
3.120     scop     4044:   {
                   4045:
                   4046:     # Two files
3.140     scop     4047:     $comp = -revcmp($rev1, $rev2)             if ($byrev  && $rev1  && $rev2);
                   4048:     $comp = ($date2   <=> $date1)             if ($bydate && $date1 && $date2);
                   4049:     if ($input{ignorecase}) {
                   4050:       $comp = (uc($log1)    cmp uc($log2))    if ($bylog && $log1 && $log2);
                   4051:       $comp = (uc($author1) cmp uc($author2)) if ($byauthor &&
                   4052:                                                   $author1 && $author2);
                   4053:     } else {
                   4054:       $comp = ($log1    cmp $log2)            if ($bylog && $log1 && $log2);
                   4055:       $comp = ($author1 cmp $author2)         if ($byauthor &&
                   4056:                                                   $author1 && $author2);
                   4057:     }
3.120     scop     4058:   }
                   4059:
                   4060:   if ($comp == 0) {
                   4061:
                   4062:     # Directories first, then files under version control,
                   4063:     # then other, "rogue" files.
                   4064:     # Sort by filename if no other criteria available.
                   4065:
                   4066:     my $ad = (
                   4067:       (-d "$fullname/$a")
                   4068:       ? 'D'
                   4069:       : (defined($fileinfo{$af}) ? 'F' : 'R')
                   4070:     );
                   4071:     my $bd = (
                   4072:       (-d "$fullname/$b")
                   4073:       ? 'D'
                   4074:       : (defined($fileinfo{$bf}) ? 'F' : 'R')
                   4075:     );
3.175     scop     4076:     (my $c = $a) =~ s|.*/||;
                   4077:     (my $d = $b) =~ s|.*/||;
3.144     scop     4078:
                   4079:     my ($l, $r) = ("$ad$c", "$bd$d");
                   4080:     $comp = $input{ignorecase} ? (uc($l) cmp uc($r)) : ($l cmp $r);
                   4081:
                   4082:     # Parent dir is always first, then Attic.
                   4083:     if ($comp != 0) {
                   4084:       if ($l eq 'D..') {
3.149     scop     4085:         $comp = -1;
3.144     scop     4086:       } elsif ($r eq 'D..') {
3.149     scop     4087:         $comp = 1;
3.144     scop     4088:       } elsif ($l eq 'DAttic') {
3.149     scop     4089:         $comp = -1;
3.144     scop     4090:       } elsif ($r eq 'DAttic') {
3.149     scop     4091:         $comp = 1;
3.144     scop     4092:       }
                   4093:     }
3.120     scop     4094:   }
                   4095:   return $comp;
3.1       knu      4096: }
                   4097:
3.220     scop     4098: #
                   4099: # Returns a URL to download the selected revision.
                   4100: #
3.120     scop     4101: sub download_url($$;$)
                   4102: {
                   4103:   my ($url, $revision, $mimetype) = @_;
3.252     scop     4104:   my @dots = $revision =~ /\./g;
                   4105:   $revision =~ s/\b0\.(?=\d+$)// if (scalar(@dots) & 1);
3.1       knu      4106:
3.222     scop     4107:   if (!defined($mimetype) || $mimetype !~ CVSWEBMARKUP) {
3.120     scop     4108:     my $path = $where;
                   4109:     $path =~ s|[^/]+$||;
3.222     scop     4110:     $url = "$scriptname/$CheckoutMagic/${path}$url";
3.120     scop     4111:   }
3.219     scop     4112:   $url .= '?rev=' . uri_escape($revision);
                   4113:   $url .= ';content-type=' . uri_escape($mimetype) if $mimetype;
3.67      knu      4114:
3.175     scop     4115:   return $url;
3.1       knu      4116: }
                   4117:
3.175     scop     4118: #
3.220     scop     4119: # Returns a link to download the selected revision.
3.175     scop     4120: #
3.120     scop     4121: sub download_link($$$;$)
                   4122: {
                   4123:   my ($url, $revision, $textlink, $mimetype) = @_;
3.175     scop     4124:   my $fullurl = download_url($url, $revision, $mimetype);
3.220     scop     4125:   return sprintf('<a href="%s" class="download-link">%s</a>',
                   4126:                  hrefquote("$fullurl$barequery"), htmlquote($textlink));
3.218     scop     4127: }
3.120     scop     4128:
3.219     scop     4129: #
                   4130: # Returns a URL to display the selected revision.
                   4131: #
                   4132: sub display_url($$;$)
                   4133: {
                   4134:   my ($url, $revision, $mimetype) = @_;
                   4135:   $url .= '?rev=' . uri_escape($revision);
                   4136:   $url .= ';content-type=' . uri_escape($mimetype) if $mimetype;
                   4137:   return $url;
                   4138: }
                   4139:
                   4140: #
                   4141: # Returns a link to display the selected revision.
                   4142: #
                   4143: sub display_link($$;$$)
                   4144: {
                   4145:   my ($url, $revision, $textlink, $mtype) = @_;
                   4146:   $textlink = $revision unless defined($textlink);
                   4147:   return sprintf('<a href="%s" class="display-link">%s</a>',
                   4148:                  hrefquote(display_url($url, $revision, $mtype) . $barequery),
                   4149:                  htmlquote($textlink));
                   4150: }
3.132     scop     4151:
3.170     scop     4152: sub graph_link($;$)
3.132     scop     4153: {
3.170     scop     4154:   my ($url, $text) = @_;
3.132     scop     4155:   $text ||= $graphicon;
3.170     scop     4156:   return sprintf('<a href="%s?graph=1%s">%s</a>',
                   4157:                  hrefquote($url), hrefquote($barequery), $text);
3.258     scop     4158: }
                   4159:
                   4160: #
                   4161: # Returns a link to CVSHistory for the given directory and filename.
                   4162: #
                   4163: sub history_link($$;$)
                   4164: {
                   4165:   my ($dir, $file, $text) = @_;
                   4166:   $dir  ||= '';
                   4167:   $file ||= '';
                   4168:   $text ||= 'History';
                   4169:   return &link($text,
                   4170:                sprintf('%s?cvsroot=%s;dsearch=%s;fsearch=%s;limit=1',
                   4171:                        $cvshistory_url, uri_escape($input{cvsroot} || ''),
                   4172:                        uri_escape($dir), uri_escape($file)));
3.1       knu      4173: }
                   4174:
                   4175: # Returns a Query string with the
                   4176: # specified parameter toggled
3.140     scop     4177: sub toggleQuery($;$)
3.120     scop     4178: {
                   4179:   my ($toggle, $value) = @_;
3.133     scop     4180:
                   4181:   my %vars = %input;
3.120     scop     4182:
                   4183:   if (defined($value)) {
                   4184:     $vars{$toggle} = $value;
                   4185:   } else {
                   4186:     $vars{$toggle} = $vars{$toggle} ? 0 : 1;
                   4187:   }
                   4188:
                   4189:   # Build a new query of non-default paramenters
3.133     scop     4190:   my $newquery = "";
                   4191:   foreach my $var (@stickyvars) {
3.120     scop     4192:     my ($value)   = defined($vars{$var})         ? $vars{$var}         : "";
                   4193:     my ($default) = defined($DEFAULTVALUE{$var}) ? $DEFAULTVALUE{$var} : "";
                   4194:
                   4195:     if ($value ne $default) {
3.203     scop     4196:       $newquery .= ';' if ($newquery ne "");
3.206     scop     4197:       $newquery .= uri_escape($var) . '=' . uri_escape($value);
3.120     scop     4198:     }
                   4199:   }
                   4200:
                   4201:   if ($newquery) {
                   4202:     return '?' . $newquery;
                   4203:   }
                   4204:   return "";
                   4205: }
                   4206:
                   4207: sub urlencode($)
                   4208: {
                   4209:   local ($_) = @_;
                   4210:   s/[\000-+{-\377]/sprintf("%%%02x", ord($&))/ge;
3.175     scop     4211:   return $_;
3.120     scop     4212: }
                   4213:
                   4214: sub htmlquote($)
                   4215: {
                   4216:   local ($_) = @_;
                   4217:   # Special Characters; RFC 1866
                   4218:   s/&/&amp;/g;
                   4219:   s/\"/&quot;/g;
                   4220:   s/</&lt;/g;
                   4221:   s/>/&gt;/g;
3.175     scop     4222:   return $_;
3.120     scop     4223: }
                   4224:
                   4225: sub htmlunquote($)
                   4226: {
                   4227:   local ($_) = @_;
                   4228:   # Special Characters; RFC 1866
                   4229:   s/&quot;/\"/g;
                   4230:   s/&lt;/</g;
                   4231:   s/&gt;/>/g;
                   4232:   s/&amp;/&/g;
3.175     scop     4233:   return $_;
3.120     scop     4234: }
                   4235:
                   4236: sub hrefquote($)
                   4237: {
                   4238:   local ($_) = @_;
                   4239:
                   4240:   y/ /+/;
                   4241:
                   4242:   htmlquote($_);
                   4243: }
                   4244:
3.163     scop     4245: sub http_header(;$$)
3.120     scop     4246: {
3.163     scop     4247:   my ($content_type, $moddate) = @_;
                   4248:   $content_type ||= 'text/html';
3.120     scop     4249:
                   4250:   $content_type .= "; charset=$charset"
3.163     scop     4251:     if ($charset && $content_type =~ m,^text/,);
3.120     scop     4252:
3.185     scop     4253:   # Note that in the following, we explicitly join() and concatenate the
                   4254:   # headers instead of printing them as an array.  This is because some
                   4255:   # systems, eg. early versions of mod_perl 2 don't quite get it if the
                   4256:   # last \r\n\r\n isn't included in the last "payload" header print().
                   4257:
                   4258:   my @headers = ();
                   4259:   # TODO: ctime(3) from scalar gmtime() isn't HTTP compliant, see HTTP::Date.
                   4260:   push(@headers, 'Last-Modified: ' . scalar gmtime($moddate) . ' GMT')
                   4261:     if $moddate;
                   4262:   push(@headers, 'Content-Type: ' . $content_type);
3.120     scop     4263:
                   4264:   if ($allow_compress && $maycompress) {
3.222     scop     4265:     if (HAS_ZLIB
3.120     scop     4266:         || (defined($CMD{gzip}) && open(GZIP, "| $CMD{gzip} -1 -c")))
                   4267:     {
                   4268:
3.185     scop     4269:       push(@headers, 'Content-Encoding: x-gzip');
                   4270:       push(@headers, 'Vary: Accept-Encoding');     # RFC 2616, 14.44
                   4271:       print join("\r\n", @headers) . "\r\n\r\n";
                   4272:
3.120     scop     4273:       $| = 1;
3.185     scop     4274:       $| = 0;                                      # Flush header output.
3.120     scop     4275:
3.222     scop     4276:       tie(*GZIP, __PACKAGE__, \*STDOUT) if HAS_ZLIB;
3.120     scop     4277:       select(GZIP);
                   4278:       $gzip_open = 1;
                   4279:
                   4280:     } else {
3.185     scop     4281:
                   4282:       print join("\r\n", @headers) . "\r\n\r\n";
3.230     scop     4283:       printf
                   4284:         '<span style="font-size: smaller">Unable to find gzip binary in the <b>$command_path</b> (<code>%s</code>) to compress output</span><br />',
                   4285:           htmlquote(join(':', @command_path));
3.120     scop     4286:     }
3.185     scop     4287:
3.120     scop     4288:   } else {
3.185     scop     4289:     print join("\r\n", @headers) . "\r\n\r\n";
3.120     scop     4290:   }
                   4291: }
                   4292:
3.131     scop     4293:
3.163     scop     4294: sub html_header($;$)
3.120     scop     4295: {
3.163     scop     4296:   my ($title, $moddate) = @_;
                   4297:   $title = htmlquote($title);
3.162     scop     4298:   my $l = $logo || '';
3.163     scop     4299:   http_header('text/html', $moddate);
3.120     scop     4300:   print <<EOH;
3.100     knu      4301: $HTML_DOCTYPE
3.1       knu      4302: <html>
3.40      knu      4303: <head>
3.134     scop     4304: <title>$title</title>
3.144     scop     4305: $HTML_META$CSS</head>
3.129     scop     4306: <body>
3.182     scop     4307: $l <h1>$title</h1>
3.1       knu      4308: EOH
                   4309: }
                   4310:
3.120     scop     4311: sub html_footer()
                   4312: {
3.208     scop     4313:   print "<hr />\n<address>$address</address>\n" if $address;
3.127     scop     4314:   print "</body>\n</html>\n";
3.1       knu      4315: }
                   4316:
3.120     scop     4317: sub link_tags($)
                   4318: {
                   4319:   my ($tags) = @_;
                   4320:   my ($ret)  = "";
                   4321:   my ($fileurl, $filename);
                   4322:
                   4323:   ($filename = $where) =~ s/^.*\///;
                   4324:   $fileurl = './' . urlencode($filename);
                   4325:
                   4326:   foreach my $sym (split (", ", $tags)) {
                   4327:     $ret .= ",\n" if ($ret ne "");
3.136     scop     4328:     $ret .= &link(htmlquote($sym),
                   4329:                   $fileurl . toggleQuery('only_with_tag', $sym));
3.120     scop     4330:   }
3.219     scop     4331:   return $ret;
3.1       knu      4332: }
                   4333:
3.175     scop     4334:
3.1       knu      4335: #
3.233     scop     4336: # See if a file/dir is listed in the config file's @ForbiddenFiles list.
                   4337: # Takes a full file system path or one relative to $cvsroot, and strips the
                   4338: # trailing ",v" if present, then compares.  Returns 1 if forbidden, else 0.
3.221     scop     4339: #
3.233     scop     4340: sub forbidden($)
3.120     scop     4341: {
3.233     scop     4342:   (my $path = canonpath(shift)) =~ s/,v$//;
                   4343:   $path =~ s|^$cvsroot/+||;
3.175     scop     4344:   for my $forbidden_re (@ForbiddenFiles) {
                   4345:     return 1 if ($path =~ $forbidden_re);
3.120     scop     4346:   }
                   4347:   return 0;
3.174     scop     4348: }
                   4349:
                   4350:
                   4351: #
                   4352: # Starts a process using IPC::Run.  All arguments are passed to
                   4353: # IPC::Run::start() as-is.  Returns an array ($harness, $error) where
                   4354: # $harness is from IPC::Run if start() succeeds, undef otherwise.  In case
3.184     scop     4355: # of an error, $error contains the error message.
3.174     scop     4356: #
3.191     scop     4357: sub startproc(@)
3.174     scop     4358: {
3.215     scop     4359:   my $h = my $err = undef;
3.174     scop     4360:   eval {
                   4361:     local $SIG{__DIE__};
3.215     scop     4362:     $h = IPC::Run::start(@_) or die("return code: $?");
3.174     scop     4363:   };
3.215     scop     4364:   if ($@) {
3.229     scop     4365:     $h->finish() if $h;
3.215     scop     4366:     $h = undef;
                   4367:     $err = "'@{$_[0]}' failed: $@";
                   4368:   }
3.174     scop     4369:   return ($h, $err);
3.215     scop     4370: }
                   4371:
                   4372: #
                   4373: # Runs a process using IPC::Run.  All arguments are passed to
                   4374: # IPC::Run::run() as-is.  Returns an array ($exitcode, $errormsg).
                   4375: #
                   4376: sub runproc(@)
                   4377: {
                   4378:   eval {
                   4379:     local $SIG{__DIE__};
                   4380:     IPC::Run::run(@_);
                   4381:   };
                   4382:   my $exitcode = $? >> 8;
                   4383:   my $errormsg  = undef;
                   4384:   if ($@) {
                   4385:     $exitcode ||= -1;
                   4386:     $errormsg = "'@{$_[0]}' failed: $@";
                   4387:   }
                   4388:   return ($exitcode, $errormsg);
3.129     scop     4389: }
                   4390:
3.225     scop     4391: #
                   4392: # Check out a file to a temporary file.
                   4393: #
                   4394: sub checkout_to_temp($$$)
                   4395: {
                   4396:   my ($cvsroot, $cvsname, $rev) = @_;
3.25      knu      4397:
3.225     scop     4398:   # Pipe given cvs file into a temporary place.
                   4399:   my ($temp_fh, $temp_fn) = tempfile('.cvsweb.XXXXXXXX', DIR => tmpdir());
                   4400:
                   4401:   my @cmd = ($CMD{cvs}, @cvs_options, '-Qd', $cvsroot,
                   4402:              'co', '-p', "-r$rev", $cvsname);
                   4403:
                   4404:   local (*DIFF_OUT);
                   4405:   my ($h, $err) = startproc(\@cmd, \"", '>pipe', \*DIFF_OUT);
                   4406:   if ($h) {
                   4407:     local $/ = undef;
                   4408:     print $temp_fh <DIFF_OUT>;
3.229     scop     4409:     $h->finish();
3.225     scop     4410:     close($temp_fh);
                   4411:   } else {
                   4412:     close($temp_fh);
                   4413:     unlink($temp_fn);
                   4414:     fatal('500 Internal Error',
                   4415:           'Checkout failure (exit status %s), output: <pre>%s</pre>',
                   4416:           $? >> 8 || -1, $err);
                   4417:   }
                   4418:
                   4419:   return $temp_fn;
                   4420: }
                   4421:
                   4422: #
3.173     scop     4423: # Close the GZIP handle, and remove the tie.
3.225     scop     4424: #
3.120     scop     4425: sub gzipclose
                   4426: {
                   4427:   if ($gzip_open) {
                   4428:     select(STDOUT);
                   4429:     close(GZIP);
                   4430:     untie *GZIP;
                   4431:     $gzip_open = 0;
                   4432:   }
3.23      knu      4433: }
                   4434:
                   4435: # implement a gzipped file handle via the Compress:Zlib compression
                   4436: # library.
                   4437:
                   4438: sub MAGIC1() { 0x1f }
                   4439: sub MAGIC2() { 0x8b }
3.80      knu      4440: sub OSCODE() { 3 }
3.23      knu      4441:
3.120     scop     4442: sub TIEHANDLE
                   4443: {
                   4444:   my ($class, $out) = @_;
                   4445:   my ($d) = Compress::Zlib::deflateInit(
                   4446:     -Level      => Compress::Zlib::Z_BEST_COMPRESSION(),
                   4447:     -WindowBits => -Compress::Zlib::MAX_WBITS()
                   4448:     )
                   4449:     or return undef;
                   4450:   my ($o) = { handle => $out,
                   4451:               dh     => $d,
                   4452:               crc    => 0,
                   4453:               len    => 0,
                   4454:             };
                   4455:   my ($header) = pack("c10",
                   4456:                       MAGIC1, MAGIC2, Compress::Zlib::Z_DEFLATED(),
                   4457:                       0, 0, 0, 0, 0, 0, OSCODE);
                   4458:   print {$o->{handle}} $header;
                   4459:   return bless($o, $class);
                   4460: }
                   4461:
                   4462: sub PRINT
                   4463: {
                   4464:   my ($o)   = shift;
3.164     scop     4465:   my ($buf) = join (defined($,) ? $, : "", @_);
3.120     scop     4466:   my ($len) = length($buf);
                   4467:   my ($compressed, $status) = $o->{dh}->deflate($buf);
                   4468:   print {$o->{handle}} $compressed if defined($compressed);
                   4469:   $o->{crc} = Compress::Zlib::crc32($buf, $o->{crc});
                   4470:   $o->{len} += $len;
                   4471:   return $len;
                   4472: }
                   4473:
                   4474: sub PRINTF
                   4475: {
                   4476:   my ($o)   = shift;
                   4477:   my ($fmt) = shift;
                   4478:   my ($buf) = sprintf($fmt, @_);
                   4479:   my ($len) = length($buf);
                   4480:   my ($compressed, $status) = $o->{dh}->deflate($buf);
                   4481:   print {$o->{handle}} $compressed if defined($compressed);
                   4482:   $o->{crc} = Compress::Zlib::crc32($buf, $o->{crc});
                   4483:   $o->{len} += $len;
                   4484:   return $len;
                   4485: }
                   4486:
                   4487: sub WRITE
                   4488: {
                   4489:   my ($o, $buf, $len, $off) = @_;
                   4490:   my ($compressed, $status) = $o->{dh}->deflate(substr($buf, 0, $len));
                   4491:   print {$o->{handle}} $compressed if defined($compressed);
                   4492:   $o->{crc} = Compress::Zlib::crc32(substr($buf, 0, $len), $o->{crc});
                   4493:   $o->{len} += $len;
                   4494:   return $len;
                   4495: }
                   4496:
                   4497: sub CLOSE
                   4498: {
                   4499:   my ($o) = @_;
                   4500:   return if !defined($o->{dh});
                   4501:   my ($buf) = $o->{dh}->flush();
                   4502:   $buf .= pack("V V", $o->{crc}, $o->{len});
                   4503:   print {$o->{handle}} $buf;
                   4504:   undef $o->{dh};
                   4505: }
                   4506:
                   4507: sub DESTROY
                   4508: {
                   4509:   my ($o) = @_;
                   4510:   CLOSE($o);
1.1       jfieber  4511: }
3.149     scop     4512:
                   4513: # Local variables:
                   4514: # indent-tabs-mode: nil
                   4515: # cperl-indent-level: 2
                   4516: # End:

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