[BACK]Return to cvsweb.cgi CVS log [TXT][DIR] Up to [cvsweb.bsd.lv] / cvsweb

Annotation of cvsweb/cvsweb.cgi, Revision 1.1.1.6

1.1.1.1   knu         1: #!/usr/bin/perl5 -ws
1.1       jfieber     2: #
1.1.1.1   knu         3: # cvsweb - a CGI interface to CVS trees.
1.1       jfieber     4: #
1.1.1.2   knu         5: # Written in their spare time by
1.1.1.1   knu         6: #             Bill Fenner      <fenner@FreeBSD.org>   (original work)
                      7: # extended by Henner Zeller    <zeller@think.de>,
1.1.1.2   knu         8: #             Henrik Nordstrom <hno@hem.passagen.se>
1.1.1.1   knu         9: #             Ken Coar         <coar@Apache.Org>
                     10: #             Dick Balaska     <dick@buckosoft.com>
                     11: #             Akinori MUSHA    <knu@FreeBSD.org>
1.1.1.6 ! knu        12: #             Jens-Uwe Mager   <jum@helios.de>
1.1       jfieber    13: #
1.1.1.1   knu        14: # Based on:
                     15: # * Bill Fenners cvsweb.cgi revision 1.28 available from:
                     16: #   http://www.FreeBSD.org/cgi/cvsweb.cgi/www/en/cgi/cvsweb.cgi
                     17: #
                     18: # Copyright (c) 1996-1998 Bill Fenner
                     19: #           (c) 1998-1999 Henner Zeller
                     20: #          (c) 1999      Henrik Nordstrom
                     21: #          (c) 2000      Akinori MUSHA
                     22: # All rights reserved.
                     23: #
                     24: # Redistribution and use in source and binary forms, with or without
                     25: # modification, are permitted provided that the following conditions
                     26: # are met:
                     27: # 1. Redistributions of source code must retain the above copyright
                     28: #    notice, this list of conditions and the following disclaimer.
                     29: # 2. Redistributions in binary form must reproduce the above copyright
                     30: #    notice, this list of conditions and the following disclaimer in the
                     31: #    documentation and/or other materials provided with the distribution.
                     32: #
                     33: # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
                     34: # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     35: # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     36: # ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
                     37: # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     38: # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     39: # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     40: # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     41: # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     42: # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     43: # SUCH DAMAGE.
                     44: #
1.1.1.6 ! knu        45: # $zId: cvsweb.cgi,v 1.101 2000/09/13 22:44:05 jumager Exp $
        !            46: # $kId: cvsweb.cgi,v 1.24 2000/09/19 20:07:16 knu Exp $
1.1.1.1   knu        47: #
                     48: ###
                     49:
                     50: use strict;
                     51:
                     52: use vars qw (
                     53:     $config $allow_version_select $verbose
                     54:     %CVSROOT %CVSROOTdescr %MIRRORS %DEFAULTVALUE %ICONS %MTYPES
                     55:     %alltags @tabcolors %fileinfo %tags @branchnames %nameprinted
                     56:     %symrev %revsym @allrevisions %date %author @revdisplayorder
1.1.1.4   knu        57:     @revisions %state %difflines %log %branchpoint @revorder
                     58:     $prcgi @prcategories $prcategories $mancgi
1.1.1.1   knu        59:     $checkoutMagic $doCheckout $scriptname $scriptwhere
                     60:     $where $pathinfo $Browser $nofilelinks $maycompress @stickyvars
                     61:     %funcline_regexp $is_mod_perl
                     62:     $is_lynx $is_w3m $is_msie $is_mozilla3 $is_textbased
                     63:     %input $query $barequery $sortby $bydate $byrev $byauthor
                     64:     $bylog $byfile $hr_default $logsort $cvstree $cvsroot
                     65:     $mimetype $defaultTextPlain $defaultViewable $allow_compress
                     66:     $GZIPBIN $backicon $diricon $fileicon $fullname $newname
                     67:     $cvstreedefault $body_tag $logo $defaulttitle $address
                     68:     $backcolor $long_intro $short_instruction $shortLogLen
                     69:     $show_author $dirtable $tablepadding $columnHeaderColorDefault
                     70:     $columnHeaderColorSorted $hr_breakable $showfunc $hr_ignwhite
                     71:     $hr_ignkeysubst $diffcolorHeading $diffcolorEmpty $diffcolorRemove
                     72:     $diffcolorChange $diffcolorAdd $diffcolorDarkChange $difffontface
                     73:     $difffontsize $inputTextSize $mime_types $allow_annotate
                     74:     $allow_markup $use_java_script $open_extern_window
                     75:     $extern_window_width $extern_window_height $edit_option_form
                     76:     $checkout_magic $show_subdir_lastmod $show_log_in_markup $v
                     77:     $navigationHeaderColor $tableBorderColor $markupLogColor
                     78:     $tabstop $state $annTable $sel $curbranch @HideModules
                     79:     $module $use_descriptions %descriptions @mytz $dwhere $moddate
1.1.1.6 ! knu        80:     $use_moddate $has_zlib $gzip_open
1.1.1.1   knu        81: );
                     82:
1.1.1.2   knu        83: sub printDiffSelect($);
                     84: sub findLastModifiedSubdirs(@);
                     85: sub htmlify($;$);
1.1.1.6 ! knu        86: sub spacedHtmlText($;$);
1.1.1.2   knu        87: sub link($$);
                     88: sub revcmp($$);
                     89: sub fatal($$);
                     90: sub redirect($);
                     91: sub safeglob($);
                     92: sub getMimeTypeFromSuffix($);
1.1.1.6 ! knu        93: sub head($;$);
        !            94: sub scan_directives(@);
1.1.1.2   knu        95: sub doAnnotate($$);
                     96: sub doCheckout($$);
                     97: sub cvswebMarkup($$$);
                     98: sub viewable($);
                     99: sub doDiff($$$$$$);
                    100: sub getDirLogs($$@);
                    101: sub readLog($;$);
                    102: sub printLog($;$);
                    103: sub doLog($);
                    104: sub flush_diff_rows($$$$);
                    105: sub human_readable_diff($);
                    106: sub navigateHeader($$$$$);
                    107: sub plural_write($$);
                    108: sub readableTime($$);
                    109: sub clickablePath($$);
                    110: sub chooseCVSRoot();
                    111: sub chooseMirror();
                    112: sub fileSortCmp();
                    113: sub download_url($$;$);
                    114: sub download_link($$$;$);
                    115: sub toggleQuery($$);
                    116: sub urlencode($);
                    117: sub http_header(;$);
                    118: sub html_header($);
                    119: sub html_footer();
                    120: sub link_tags($);
                    121: sub forbidden_module($);
                    122:
1.1.1.1   knu       123: ##### Start of Configuration Area ########
                    124: use Cwd;
                    125:
1.1.1.2   knu       126: # == EDIT this ==
1.1.1.1   knu       127: # User configuration is stored in
                    128: $config = undef;
                    129:
1.1.1.2   knu       130: for ($ENV{CVSWEB_CONFIG},
                    131: #     '/home/knu/etc/cvsweb.conf',
                    132:      '/usr/local/etc/cvsweb.conf',
                    133:      getcwd . '/cvsweb.conf') {
                    134:   $config = $_ if defined($_) && -r $_;
1.1.1.1   knu       135: }
                    136:
                    137: # == Configuration defaults ==
                    138: # Defaults for configuration variables that shouldn't need
                    139: # to be configured..
                    140: $allow_version_select = 1;
                    141:
                    142: ##### End of Configuration Area   ########
                    143:
                    144: ######## Configuration variables #########
                    145: # These are defined to allow checking with perl -cw
                    146: %CVSROOT = %MIRRORS = %DEFAULTVALUE = %ICONS = %MTYPES =
                    147: %tags = %alltags = @tabcolors = ();
                    148: $cvstreedefault = $body_tag = $logo = $defaulttitle = $address =
                    149: $backcolor = $long_intro = $short_instruction = $shortLogLen =
                    150: $show_author = $dirtable = $tablepadding = $columnHeaderColorDefault =
                    151: $columnHeaderColorSorted = $hr_breakable = $showfunc = $hr_ignwhite =
                    152: $hr_ignkeysubst = $diffcolorHeading = $diffcolorEmpty = $diffcolorRemove =
                    153: $diffcolorChange = $diffcolorAdd = $diffcolorDarkChange = $difffontface =
                    154: $difffontsize = $inputTextSize = $mime_types = $allow_annotate =
                    155: $allow_markup = $use_java_script = $open_extern_window =
                    156: $extern_window_width = $extern_window_height = $edit_option_form =
                    157: $checkout_magic = $show_subdir_lastmod = $show_log_in_markup = $v =
1.1.1.2   knu       158: $navigationHeaderColor = $tableBorderColor = $markupLogColor =
1.1.1.1   knu       159: $tabstop = $use_moddate = $moddate = undef;
                    160:
                    161: ##### End of configuration variables #####
                    162:
                    163: use Time::Local;
                    164: use IPC::Open2;
1.1       jfieber   165:
1.1.1.6 ! knu       166: # Check if the zlib C library interface is installed, and if yes
        !           167: # we can avoid using the extra gzip process.
        !           168: eval {
        !           169:        require Compress::Zlib;
        !           170: };
        !           171: $has_zlib = !$@;
        !           172:
1.1       jfieber   173: $verbose = $v;
1.1.1.1   knu       174: $checkoutMagic = "~checkout~";
                    175: $pathinfo = defined($ENV{PATH_INFO}) ? $ENV{PATH_INFO} : '';
                    176: $where = $pathinfo;
                    177: $doCheckout = ($where =~ /^\/$checkoutMagic/);
                    178: $where =~ s|^/($checkoutMagic)?||;
                    179: $where =~ s|/+$||;
                    180: $scriptname = defined($ENV{SCRIPT_NAME}) ? $ENV{SCRIPT_NAME} : '';
                    181: $scriptname =~ s|^/?|/|;
                    182: $scriptname =~ s|/+$||;
                    183: $scriptwhere = $scriptname;
                    184: if ($where) {
                    185:     $scriptwhere .= '/' . urlencode($where);
                    186: }
                    187:
                    188: $is_mod_perl = defined($ENV{MOD_PERL});
                    189:
                    190: # in lynx, it it very annoying to have two links
                    191: # per file, so disable the link at the icon
                    192: # in this case:
1.1.1.2   knu       193: $Browser = $ENV{HTTP_USER_AGENT};
1.1.1.1   knu       194: $is_lynx = ($Browser =~ m`^Lynx/`i);
                    195: $is_w3m = ($Browser =~ m`^w3m/`i);
                    196: $is_msie = ($Browser =~ m`MSIE`);
                    197: $is_mozilla3 = ($Browser =~ m`^Mozilla/[3-9]`);
                    198:
                    199: $is_textbased = ($is_lynx || $is_w3m);
                    200:
                    201: $nofilelinks = $is_textbased;
                    202:
                    203: # newer browsers accept gzip content encoding
                    204: # and state this in a header
                    205: # (netscape did always but didn't state it)
                    206: # It has been reported that these
                    207: #  braindamaged MS-Internet Exploders claim that they
                    208: # accept gzip .. but don't in fact and
                    209: # display garbage then :-/
1.1.1.6 ! knu       210: # Turn off gzip if running under mod_perl and no zlib is available,
        !           211: # piping does not work as expected inside the server.
1.1.1.2   knu       212: $maycompress = (($ENV{HTTP_ACCEPT_ENCODING} =~ m`gzip`
                    213:                 || $is_mozilla3)
                    214:                && !$is_msie
1.1.1.6 ! knu       215:                && !($is_mod_perl && !$has_zlib));
1.1.1.1   knu       216:
                    217: # put here the variables we need in order
                    218: # to hold our state - they will be added (with
1.1.1.2   knu       219: # their current value) to any link/query string
1.1.1.1   knu       220: # you construct
                    221: @stickyvars = qw(cvsroot hideattic sortby logsort f only_with_tag);
                    222:
                    223: if (-f $config) {
                    224:     do $config;
                    225: }
                    226: else {
                    227:    &fatal("500 Internal Error",
                    228:          'Configuration not found.  Set the variable <code>$config</code> '
                    229:           . 'in cvsweb.cgi, or the environment variable '
                    230:           . '<code>CVSWEB_CONFIG</code>, to your <b>cvsweb.conf</b> '
                    231:           . 'configuration file first.');
                    232: }
                    233:
                    234: undef %input;
                    235: $query = $ENV{QUERY_STRING};
                    236:
1.1.1.2   knu       237: if (defined($query) && $query ne '') {
1.1.1.1   knu       238:     foreach (split(/&/, $query)) {
                    239:        s/%(..)/sprintf("%c", hex($1))/ge;      # unquote %-quoted
                    240:        if (/(\S+)=(.*)/) {
                    241:            $input{$1} = $2 if ($2 ne "");
                    242:        }
                    243:        else {
                    244:            $input{$_}++;
                    245:        }
                    246:     }
                    247: }
                    248:
1.1.1.2   knu       249: # For backwards compability, set only_with_tag to only_on_branch if set.
1.1.1.1   knu       250: $input{only_with_tag} = $input{only_on_branch}
                    251:     if (defined($input{only_on_branch}));
                    252:
                    253: $DEFAULTVALUE{'cvsroot'} = $cvstreedefault;
                    254:
                    255: foreach (keys %DEFAULTVALUE)
                    256: {
                    257:     # replace not given parameters with the default parameters
                    258:     if (!defined($input{$_}) || $input{$_} eq "") {
                    259:        # Empty Checkboxes in forms return -- nothing. So we define a helper
                    260:        # variable in these forms (copt) which indicates that we just set
                    261:        # parameters with a checkbox
                    262:        if (!defined($input{"copt"})) {
                    263:            # 'copt' isn't defined --> empty input is not the result
                    264:            # of empty input checkbox --> set default
                    265:            $input{$_} = $DEFAULTVALUE{$_} if (defined($DEFAULTVALUE{$_}));
                    266:        }
                    267:        else {
                    268:            # 'copt' is defined -> the result of empty input checkbox
                    269:            # -> set to zero (disable) if default is a boolean (0|1).
                    270:            $input{$_} = 0
                    271:                if (defined($DEFAULTVALUE{$_})
                    272:                    && ($DEFAULTVALUE{$_} eq "0" || $DEFAULTVALUE{$_} eq "1"));
                    273:        }
                    274:     }
                    275: }
1.1.1.2   knu       276:
1.1.1.1   knu       277: $barequery = "";
                    278: foreach (@stickyvars) {
                    279:     # construct a query string with the sticky non default parameters set
1.1.1.2   knu       280:     if (defined($input{$_}) && $input{$_} ne '' &&
1.1.1.1   knu       281:        !(defined($DEFAULTVALUE{$_}) && $input{$_} eq $DEFAULTVALUE{$_})) {
                    282:         if ($barequery) {
                    283:            $barequery = $barequery . "&amp;";
                    284:        }
                    285:        my $thisval = urlencode($_) . "=" . urlencode($input{$_});
                    286:        $barequery .= $thisval;
                    287:     }
                    288: }
                    289: # is there any query ?
                    290: if ($barequery) {
                    291:     $query = "?$barequery";
                    292:     $barequery = "&amp;" . $barequery;
                    293: }
                    294: else {
                    295:     $query = "";
                    296: }
                    297:
                    298: # get actual parameters
                    299: $sortby = $input{"sortby"};
                    300: $bydate = 0;
                    301: $byrev = 0;
                    302: $byauthor = 0;
                    303: $bylog = 0;
                    304: $byfile = 0;
                    305: if ($sortby eq "date") {
                    306:     $bydate = 1;
                    307: }
                    308: elsif ($sortby eq "rev") {
                    309:     $byrev = 1;
                    310: }
                    311: elsif ($sortby eq "author") {
                    312:     $byauthor = 1;
                    313: }
                    314: elsif ($sortby eq "log") {
                    315:     $bylog = 1;
                    316: }
                    317: else {
                    318:     $byfile = 1;
                    319: }
                    320:
                    321: $hr_default = $input{'f'} eq 'h';
                    322:
                    323: $logsort = $input{'logsort'};
                    324:
                    325:
                    326: ## Default CVS-Tree
                    327: if (!defined($CVSROOT{$cvstreedefault})) {
                    328:    &fatal("500 Internal Error",
                    329:          "<code>\$cvstreedefault</code> points to a repository "
                    330:          . "not defined in <code>%CVSROOT</code> "
                    331:          . "(edit your configuration file $config)");
                    332: }
                    333:
                    334: # alternate CVS-Tree, configured in cvsweb.conf
                    335: if ($input{'cvsroot'} && $CVSROOT{$input{'cvsroot'}}) {
                    336:     $cvstree = $input{'cvsroot'};
                    337: } else {
                    338:     $cvstree = $cvstreedefault;
                    339: }
                    340:
                    341: $cvsroot = $CVSROOT{$cvstree};
                    342:
                    343: # create icons out of description
                    344: foreach my $k (keys %ICONS) {
                    345:     no strict 'refs';
                    346:     my ($itxt,$ipath,$iwidth,$iheight) = @{$ICONS{$k}};
                    347:     if ($ipath) {
                    348:        ${"${k}icon"} = "<IMG SRC=\"$ipath\" ALT=\"$itxt\" BORDER=\"0\" WIDTH=\"$iwidth\" HEIGHT=\"$iheight\">";
                    349:     }
                    350:     else {
                    351:        ${"${k}icon"} = $itxt;
                    352:     }
                    353: }
                    354:
                    355: # Do some special configuration for cvstrees
                    356: do "$config-$cvstree" if (-f "$config-$cvstree");
                    357:
                    358: $prcategories = '(?:' . join('|', @prcategories) . ')';
1.1.1.4   knu       359: $prcgi .= '%s' if defined($prcgi) && $prcgi !~ /%s/;
1.1.1.1   knu       360:
1.1       jfieber   361: $fullname = $cvsroot . '/' . $where;
1.1.1.1   knu       362: $mimetype = &getMimeTypeFromSuffix ($fullname);
                    363: $defaultTextPlain = ($mimetype eq "text/plain");
                    364: $defaultViewable = $allow_markup && viewable($mimetype);
1.1       jfieber   365:
1.1.1.1   knu       366: # search for GZIP if compression allowed
                    367: # We've to find out if the GZIP-binary exists .. otherwise
                    368: # ge get an Internal Server Error if we try to pipe the
1.1.1.2   knu       369: # output through the nonexistent gzip ..
1.1.1.1   knu       370: # any more elegant ways to prevent this are welcome!
1.1.1.6 ! knu       371: if ($allow_compress && $maycompress && !$has_zlib) {
1.1.1.1   knu       372:     foreach (split(/:/, $ENV{PATH})) {
                    373:        if (-x "$_/gzip") {
                    374:            $GZIPBIN = "$_/gzip";
                    375:            last;
                    376:        }
                    377:     }
1.1       jfieber   378: }
1.1.1.1   knu       379:
1.1       jfieber   380: if (-d $fullname) {
1.1.1.1   knu       381:     #
                    382:     # ensure, that directories always end with (exactly) one '/'
                    383:     # to allow relative URL's. If they're not, make a redirect.
                    384:     ##
                    385:     if (!($pathinfo =~ m|/$|) || ($pathinfo =~ m |/{2,}$|)) {
                    386:        redirect ($scriptwhere . '/' . $query);
                    387:     }
                    388:     else {
                    389:        $where .= '/';
                    390:        $scriptwhere .= '/';
                    391:     }
                    392: }
                    393:
                    394: if (!-d $cvsroot) {
                    395:     &fatal("500 Internal Error",'$CVSROOT not found!<P>The server on which the CVS tree lives is probably down.  Please try again in a few minutes.');
                    396: }
                    397:
                    398: #
                    399: # See if the module is in our forbidden list.
                    400: #
                    401: $where =~ m:([^/]*):;
                    402: $module = $1;
                    403: if ($module && &forbidden_module($module)) {
                    404:     &fatal("403 Forbidden", "Access to $where forbidden.");
                    405: }
                    406: ##############################
                    407: # View a directory
                    408: ###############################
                    409: elsif (-d $fullname) {
                    410:        my $dh = do {local(*DH);};
                    411:        opendir($dh, $fullname) || &fatal("404 Not Found","$where: $!");
                    412:        my @dir = readdir($dh);
                    413:        closedir($dh);
                    414:        my @subLevelFiles = findLastModifiedSubdirs(@dir)
                    415:            if ($show_subdir_lastmod);
                    416:        getDirLogs($cvsroot,$where,@subLevelFiles);
                    417:
                    418:        if ($where eq '/') {
                    419:            html_header($defaulttitle);
                    420:            $long_intro =~ s/!!CVSROOTdescr!!/$CVSROOTdescr{$cvstree}/g;
                    421:            print $long_intro;
                    422:        }
                    423:        else {
                    424:            html_header($where);
                    425:            print $short_instruction;
                    426:        }
                    427:
                    428:        my $descriptions;
                    429:        if (($use_descriptions) && open (DESC, "<$cvsroot/CVSROOT/descriptions")) {
                    430:            while (<DESC>) {
                    431:                chomp;
                    432:                my ($dir,$description) = /(\S+)\s+(.*)/;
                    433:                $descriptions{$dir} = $description;
                    434:            }
1.1       jfieber   435:        }
1.1.1.1   knu       436:
                    437:        print "<P><a name=\"dirlist\"></a>\n";
                    438:        # give direct access to dirs
                    439:        if ($where eq '/') {
                    440:            chooseMirror();
                    441:            chooseCVSRoot();
                    442:        }
                    443:        else {
                    444:            print "<p>Current directory: <b>", &clickablePath($where,0), "</b>\n";
                    445:
                    446:            print "<P>Current tag: <B>", $input{only_with_tag}, "</b>\n" if
                    447:                $input{only_with_tag};
                    448:
                    449:        }
1.1.1.2   knu       450:
1.1.1.1   knu       451:
                    452:        print "<HR NOSHADE>\n";
1.1       jfieber   453:        # Using <MENU> in this manner violates the HTML2.0 spec but
                    454:        # provides the results that I want in most browsers.  Another
                    455:        # case of layout spooging up HTML.
1.1.1.2   knu       456:
1.1.1.1   knu       457:        my $infocols = 0;
                    458:        if ($dirtable) {
                    459:            if (defined($tableBorderColor)) {
                    460:                # Can't this be done by defining the border for the inner table?
                    461:                print "<table border=0 cellpadding=0 width=\"100%\"><tr><td bgcolor=\"$tableBorderColor\">";
                    462:            }
                    463:            print "<table  width=\"100%\" border=0 cellspacing=1 cellpadding=$tablepadding>\n";
                    464:            $infocols++;
1.1.1.2   knu       465:            print "<tr><th align=left bgcolor=\"" . (($byfile) ?
                    466:                                                   $columnHeaderColorSorted :
1.1.1.1   knu       467:                                                   $columnHeaderColorDefault) . "\">";
                    468:            print "<a href=\"./" . &toggleQuery("sortby","file") .
                    469:                "#dirlist\">" if (!$byfile);
                    470:            print "File";
                    471:            print "</a>" if (!$byfile);
                    472:            print "</th>";
                    473:            # do not display the other column-headers, if we do not have any files
                    474:            # with revision information:
                    475:            if (scalar(%fileinfo)) {
                    476:                $infocols++;
1.1.1.2   knu       477:                print "<th align=left bgcolor=\"" . (($byrev) ?
                    478:                                                   $columnHeaderColorSorted :
1.1.1.1   knu       479:                                                   $columnHeaderColorDefault) . "\">";
                    480:                print "<a href=\"./" . &toggleQuery ("sortby","rev") .
                    481:                    "#dirlist\">" if (!$byrev);
                    482:                print "Rev.";
                    483:                print "</a>" if (!$byrev);
                    484:                print "</th>";
                    485:                $infocols++;
1.1.1.2   knu       486:                print "<th align=left bgcolor=\"" . (($bydate) ?
                    487:                                                   $columnHeaderColorSorted :
1.1.1.1   knu       488:                                                   $columnHeaderColorDefault) . "\">";
                    489:                print "<a href=\"./" . &toggleQuery ("sortby","date") .
                    490:                    "#dirlist\">" if (!$bydate);
                    491:                print "Age";
                    492:                print "</a>" if (!$bydate);
                    493:                print "</th>";
                    494:                if ($show_author) {
                    495:                    $infocols++;
1.1.1.2   knu       496:                    print "<th align=left bgcolor=\"" . (($byauthor) ?
                    497:                                                   $columnHeaderColorSorted :
1.1.1.1   knu       498:                                                   $columnHeaderColorDefault) . "\">";
                    499:                    print "<a href=\"./" . &toggleQuery ("sortby","author") .
                    500:                            "#dirlist\">" if (!$byauthor);
                    501:                    print "Author";
                    502:                    print "</a>" if (!$byauthor);
                    503:                    print "</th>";
                    504:                }
                    505:                $infocols++;
1.1.1.2   knu       506:                print "<th align=left bgcolor=\"" . (($bylog) ?
                    507:                                               $columnHeaderColorSorted :
1.1.1.1   knu       508:                                               $columnHeaderColorDefault) . "\">";
                    509:                print "<a href=\"./", toggleQuery("sortby","log"), "#dirlist\">" if (!$bylog);
                    510:                print "Last log entry";
                    511:                print "</a>" if (!$bylog);
                    512:                print "</th>";
                    513:            }
                    514:            elsif ($use_descriptions) {
                    515:                print "<th align=left bgcolor=\"". $columnHeaderColorDefault . "\">";
                    516:                print "Description";
                    517:                $infocols++;
                    518:            }
                    519:            print "</tr>\n";
                    520:        }
                    521:        else {
                    522:            print "<menu>\n";
                    523:        }
                    524:        my $dirrow = 0;
1.1.1.2   knu       525:
1.1.1.1   knu       526:        my $i;
                    527:        lookingforattic:
                    528:        for ($i = 0; $i <= $#dir; $i++) {
                    529:                if ($dir[$i] eq "Attic") {
                    530:                    last lookingforattic;
                    531:                }
                    532:        }
                    533:        if (!$input{'hideattic'} && ($i <= $#dir) &&
                    534:            opendir($dh, $fullname . "/Attic")) {
                    535:            splice(@dir, $i, 1,
                    536:                        grep((s|^|Attic/|,!m|/\.|), readdir($dh)));
                    537:            closedir($dh);
                    538:        }
                    539:
1.1.1.2   knu       540:        my $hideAtticToggleLink = "<a href=\"./" .
1.1.1.1   knu       541:                &toggleQuery ("hideattic") .
                    542:                "#dirlist\">[Hide]</a>" if (!$input{'hideattic'});
                    543:
                    544:        # Sort without the Attic/ pathname.
                    545:        # place directories first
                    546:
                    547:        my $attic;
                    548:        my $url;
                    549:        my $fileurl;
                    550:        my $filesexists;
                    551:        my $filesfound;
                    552:
                    553:        foreach (sort { &fileSortCmp } @dir) {
1.1       jfieber   554:            if ($_ eq '.') {
                    555:                next;
                    556:            }
1.1.1.1   knu       557:            # ignore CVS lock and stale NFS files
                    558:            next if (/^#cvs\.|^,|^\.nfs/);
                    559:
                    560:            # Check whether to show the CVSROOT path
                    561:            next if ($input{'hidecvsroot'} && ($_ eq 'CVSROOT'));
                    562:
                    563:            # Check whether the module is in the restricted list
                    564:            next if ($_ && &forbidden_module($_));
                    565:
                    566:            # Ignore non-readable files
                    567:            next if ($input{'hidenonreadable'} && !(-r "$fullname/$_"));
                    568:
                    569:            if (s|^Attic/||) {
                    570:                $attic  = " (in the Attic)&nbsp;" . $hideAtticToggleLink;
                    571:            }
                    572:            else {
                    573:                $attic = "";
                    574:            }
                    575:
                    576:            if ($_ eq '..' || -d "$fullname/$_") {
                    577:                next if ($_ eq '..' && $where eq '/');
                    578:                my ($rev,$date,$log,$author,$filename) = @{$fileinfo{$_}}
                    579:                    if (defined($fileinfo{$_}));
                    580:                print "<tr bgcolor=\"" . @tabcolors[$dirrow%2] . "\"><td>" if ($dirtable);
                    581:                if ($_ eq '..') {
                    582:                    $url = "../" . $query;
                    583:                    if ($nofilelinks) {
                    584:                        print $backicon;
                    585:                    }
                    586:                    else {
                    587:                        print &link($backicon,$url);
                    588:                    }
                    589:                    print " ", &link("Previous Directory",$url);
                    590:                }
                    591:                else {
                    592:                    $url = urlencode($_) . '/' . $query;
                    593:                    print "<A NAME=\"$_\"></A>";
                    594:                    if ($nofilelinks) {
                    595:                        print $diricon;
                    596:                    }
                    597:                    else {
                    598:                        print &link($diricon,$url);
                    599:                    }
                    600:                    print " ", &link($_ . "/", $url), $attic;
                    601:                    if ($_ eq "Attic") {
1.1.1.2   knu       602:                        print "&nbsp; <a href=\"./" .
1.1.1.1   knu       603:                            &toggleQuery ("hideattic") .
                    604:                                "#dirlist\">[Don't hide]</a>";
                    605:                    }
1.1.1.2   knu       606:                }
1.1.1.1   knu       607:                # Show last change in dir
                    608:                if ($filename) {
                    609:                    print "</td><td>&nbsp;</td><td>&nbsp;" if ($dirtable);
                    610:                    if ($date) {
                    611:                        print " <i>" . readableTime(time() - $date,0) . "</i>";
                    612:                    }
                    613:                    if ($show_author) {
                    614:                        print "</td><td>&nbsp;" if ($dirtable);
                    615:                        print $author;
                    616:                    }
                    617:                    print "</td><td>&nbsp;" if ($dirtable);
                    618:                    $filename =~ s%^[^/]+/%%;
                    619:                    print "$filename/$rev";
                    620:                    print "<BR>" if ($dirtable);
                    621:                    if ($log) {
                    622:                        print "&nbsp;<font size=-1>"
                    623:                            . &htmlify(substr($log,0,$shortLogLen));
                    624:                        if (length $log > 80) {
                    625:                            print "...";
                    626:                        }
                    627:                        print "</font>";
                    628:                    }
                    629:                }
                    630:                else {
                    631:                    my ($dwhere) = ($where ne "/" ? $where : "") . $_;
                    632:                    if ($use_descriptions && defined $descriptions{$dwhere}) {
                    633:                        print "<TD COLSPAN=" . ($infocols-1) . ">&nbsp;" if $dirtable;
                    634:                        print $descriptions{$dwhere};
                    635:                    } elsif ($dirtable && $infocols > 1) {
                    636:                        # close the row with the appropriate number of
                    637:                        # columns, so that the vertical seperators are visible
                    638:                        my($cols) = $infocols;
                    639:                        while ($cols > 1) {
                    640:                            print "</td><td>&nbsp;";
                    641:                            $cols--;
                    642:                        }
                    643:                    }
                    644:                }
                    645:                if ($dirtable) {
                    646:                    print "</td></tr>\n";
                    647:                }
                    648:                else {
                    649:                    print "<br>\n";
                    650:                }
                    651:                $dirrow++;
                    652:            }
                    653:            elsif (s/,v$//) {
                    654:                $fileurl = ($attic ? "Attic/" : "") . urlencode($_);
                    655:                $url = $fileurl . $query;
                    656:                my $rev = '';
                    657:                my $date = '';
                    658:                my $log = '';
                    659:                my $author = '';
                    660:                $filesexists++;
                    661:                next if (!defined($fileinfo{$_}));
                    662:                ($rev,$date,$log,$author) = @{$fileinfo{$_}};
                    663:                $filesfound++;
                    664:                print "<tr bgcolor=\"" . @tabcolors[$dirrow%2] . "\"><td>" if ($dirtable);
                    665:                print "<A NAME=\"$_\"></A>";
                    666:                if ($nofilelinks) {
                    667:                    print $fileicon;
                    668:                }
                    669:                else {
                    670:                    print &link($fileicon,$url);
                    671:                }
                    672:                print " ", &link($_, $url), $attic;
                    673:                print "</td><td>&nbsp;" if ($dirtable);
                    674:                download_link($fileurl,
1.1.1.2   knu       675:                        $rev, $rev,
1.1.1.1   knu       676:                        $defaultViewable ? "text/x-cvsweb-markup" : undef);
                    677:                print "</td><td>&nbsp;" if ($dirtable);
                    678:                if ($date) {
                    679:                    print " <i>" . readableTime(time() - $date,0) . "</i>";
                    680:                }
                    681:                if ($show_author) {
                    682:                    print "</td><td>&nbsp;" if ($dirtable);
                    683:                    print $author;
                    684:                }
                    685:                print "</td><td>&nbsp;" if ($dirtable);
                    686:                if ($log) {
                    687:                    print " <font size=-1>" . &htmlify(substr($log,0,$shortLogLen));
                    688:                    if (length $log > 80) {
                    689:                        print "...";
                    690:                    }
                    691:                    print "</font>";
                    692:                }
                    693:                print "</td>" if ($dirtable);
                    694:                print (($dirtable) ? "</tr>" : "<br>");
                    695:                $dirrow++;
                    696:            }
                    697:            print "\n";
                    698:        }
                    699:        if ($dirtable && defined($tableBorderColor)) {
                    700:            print "</td></tr></table>";
                    701:        }
                    702:        print "". ($dirtable == 1) ? "</table>" : "</menu>" . "\n";
1.1.1.2   knu       703:
1.1.1.1   knu       704:        if ($filesexists && !$filesfound) {
                    705:            print "<P><B>NOTE:</B> There are $filesexists files, but none matches the current tag ($input{only_with_tag})\n";
                    706:        }
                    707:        if ($input{only_with_tag} && (!%tags || !$tags{$input{only_with_tag}})) {
                    708:            %tags = %alltags
                    709:        }
1.1.1.2   knu       710:        if (scalar %tags
                    711:            || $input{only_with_tag}
1.1.1.1   knu       712:            || $edit_option_form
                    713:            || defined($input{"options"})) {
                    714:            print "<hr size=1 NOSHADE>";
                    715:        }
                    716:
                    717:        if (scalar %tags || $input{only_with_tag}) {
                    718:            print "<FORM METHOD=\"GET\" ACTION=\"./\">\n";
                    719:            foreach my $var (@stickyvars) {
                    720:                print "<INPUT TYPE=HIDDEN NAME=\"$var\" VALUE=\"$input{$var}\">\n"
                    721:                    if (defined($input{$var})
1.1.1.6 ! knu       722:                        && (!defined($DEFAULTVALUE{$var})
        !           723:                            || $input{$var} ne $DEFAULTVALUE{$var})
1.1.1.1   knu       724:                        && $input{$var} ne ""
                    725:                        && $var ne "only_with_tag");
                    726:            }
                    727:            print "Show only files with tag:\n";
                    728:            print "<SELECT NAME=only_with_tag";
                    729:            print " onchange=\"submit()\"" if ($use_java_script);
                    730:            print ">";
                    731:            print "<OPTION VALUE=\"\">All tags / default branch\n";
                    732:            foreach my $tag (reverse sort { lc $a cmp lc $b } keys %tags) {
1.1.1.2   knu       733:                print "<OPTION",defined($input{only_with_tag}) &&
                    734:                       $input{only_with_tag} eq $tag ? " SELECTED" : "",
1.1.1.1   knu       735:                       ">$tag\n";
                    736:            }
                    737:            print "</SELECT>\n";
                    738:            print "<INPUT TYPE=SUBMIT VALUE=\"Go\">\n";
                    739:            print "</FORM>\n";
                    740:        }
                    741:        my $formwhere = $scriptwhere;
                    742:        $formwhere =~ s|Attic/?$|| if ($input{'hideattic'});
                    743:
                    744:        if ($edit_option_form || defined($input{"options"})) {
                    745:            print "<FORM METHOD=\"GET\" ACTION=\"${formwhere}\">\n";
                    746:            print "<INPUT TYPE=HIDDEN NAME=\"copt\" VALUE=\"1\">\n";
                    747:            if ($cvstree ne $cvstreedefault) {
                    748:                print "<INPUT TYPE=HIDDEN NAME=\"cvsroot\" VALUE=\"$cvstree\">\n";
                    749:            }
                    750:            print "<center><table cellpadding=0 cellspacing=0>";
                    751:            print "<tr bgcolor=\"$columnHeaderColorDefault\"><th colspan=2>Preferences</th></tr>";
                    752:            print "<tr><td>Sort files by <SELECT name=\"sortby\">";
                    753:            print "<OPTION VALUE=\"\">File";
                    754:            print "<OPTION",$bydate ? " SELECTED" : ""," VALUE=date>Age";
                    755:            print "<OPTION",$byauthor ? " SELECTED" : ""," VALUE=author>Author"
                    756:                if ($show_author);
                    757:            print "<OPTION",$byrev ? " SELECTED" : ""," VALUE=rev>Revision";
                    758:            print "<OPTION",$bylog ? " SELECTED" : ""," VALUE=log>Log message";
                    759:            print "</SELECT></td>";
                    760:            print "<td>revisions by: \n";
                    761:            print "<SELECT NAME=logsort>\n";
                    762:            print "<OPTION VALUE=cvs",$logsort eq "cvs" ? " SELECTED" : "", ">Not sorted";
                    763:            print "<OPTION VALUE=date",$logsort eq "date" ? " SELECTED" : "", ">Commit date";
                    764:            print "<OPTION VALUE=rev",$logsort eq "rev" ? " SELECTED" : "", ">Revision";
                    765:            print "</SELECT></td></tr>";
                    766:            print "<tr><td>Diff format: ";
1.1.1.2   knu       767:            printDiffSelect(0);
1.1.1.1   knu       768:            print "</td>";
                    769:            print "<td>Show Attic files: ";
1.1.1.2   knu       770:            print "<INPUT NAME=hideattic TYPE=CHECKBOX", $input{'hideattic'} ? " CHECKED" : "",
1.1.1.1   knu       771:            "></td></tr>\n";
                    772:            print "<tr><td align=center colspan=2><input type=submit value=\"Change Options\">";
                    773:            print "</td></tr></table></center></FORM>\n";
                    774:        }
                    775:        print &html_footer;
1.1       jfieber   776:        print "</BODY></HTML>\n";
1.1.1.2   knu       777:     }
1.1.1.1   knu       778:
                    779: ###############################
                    780: # View Files
                    781: ###############################
                    782:     elsif (-f $fullname . ',v') {
                    783:        if (defined($input{'rev'}) || $doCheckout) {
                    784:            &doCheckout($fullname, $input{'rev'});
1.1.1.6 ! knu       785:            close(GZIP) if ($gzip_open);
1.1.1.1   knu       786:            exit;
                    787:        }
                    788:        if (defined($input{'annotate'}) && $allow_annotate) {
                    789:            &doAnnotate($input{'annotate'});
1.1.1.6 ! knu       790:            close(GZIP) if ($gzip_open);
1.1.1.1   knu       791:            exit;
                    792:        }
                    793:        if (defined($input{'r1'}) && defined($input{'r2'})) {
                    794:            &doDiff($fullname, $input{'r1'}, $input{'tr1'},
                    795:                    $input{'r2'}, $input{'tr2'}, $input{'f'});
1.1.1.6 ! knu       796:            close(GZIP) if ($gzip_open);
1.1.1.1   knu       797:            exit;
                    798:        }
                    799:        print("going to dolog($fullname)\n") if ($verbose);
                    800:        &doLog($fullname);
                    801: ##############################
                    802: # View Diff
                    803: ##############################
                    804:     }
                    805:     elsif ($fullname =~ s/\.diff$// && -f $fullname . ",v" &&
                    806:           $input{'r1'} && $input{'r2'}) {
                    807:
                    808:        # $where-diff-removal if 'cvs rdiff' is used
                    809:        # .. but 'cvs rdiff'doesn't support some options
                    810:        # rcsdiff does (-w and -p), so it is disabled
                    811:        # $where =~ s/\.diff$//;
                    812:
                    813:        # Allow diffs using the ".diff" extension
                    814:        # so that browsers that default to the URL
                    815:        # for a save filename don't save diff's as
                    816:        # e.g. foo.c
                    817:        &doDiff($fullname, $input{'r1'}, $input{'tr1'},
                    818:                $input{'r2'}, $input{'tr2'}, $input{'f'});
1.1.1.6 ! knu       819:        close(GZIP) if ($gzip_open);
1.1.1.1   knu       820:        exit;
                    821:     }
                    822:     elsif (($newname = $fullname) =~ s|/([^/]+)$|/Attic/$1| &&
                    823:           -f $newname . ",v") {
                    824:        # The file has been removed and is in the Attic.
                    825:        # Send a redirect pointing to the file in the Attic.
                    826:        (my $newplace = $scriptwhere) =~ s|/([^/]+)$|/Attic/$1|;
                    827:        &redirect($newplace);
                    828:        exit;
                    829:     }
                    830:     elsif (0 && (my @files = &safeglob($fullname . ",v"))) {
                    831:        http_header("text/plain");
                    832:        print "You matched the following files:\n";
                    833:        print join("\n", @files);
                    834:        # Find the tags from each file
                    835:        # Display a form offering diffs between said tags
                    836:     }
                    837:     else {
                    838:        my $fh = do {local(*FH);};
                    839:        my ($xtra, $module);
                    840:        # Assume it's a module name with a potential path following it.
                    841:        $xtra = $& if (($module = $where) =~ s|/.*||);
                    842:        # Is there an indexed version of modules?
                    843:        if (open($fh, "$cvsroot/CVSROOT/modules")) {
                    844:            while (<$fh>) {
                    845:                if (/^(\S+)\s+(\S+)/o && $module eq $1
                    846:                    && -d "${cvsroot}/$2" && $module ne $2) {
                    847:                    &redirect($scriptname . '/' . $2 . $xtra);
                    848:                }
                    849:            }
                    850:        }
                    851:        &fatal("404 Not Found","$where: no such file or directory");
                    852:     }
1.1.1.6 ! knu       853:
        !           854: close(GZIP) if ($gzip_open);
1.1.1.1   knu       855: ## End MAIN
                    856:
1.1.1.2   knu       857: sub printDiffSelect($) {
1.1.1.1   knu       858:     my ($use_java_script) = @_;
                    859:     my ($f) = $input{'f'};
                    860:     print "<SELECT NAME=\"f\"";
                    861:     print " onchange=\"submit()\"" if ($use_java_script);
                    862:     print ">\n";
                    863:     print "<OPTION VALUE=h",$f eq "h" ? " SELECTED" : "", ">Colored Diff";
                    864:     print "<OPTION VALUE=H",$f eq "H" ? " SELECTED" : "", ">Long Colored Diff";
                    865:     print "<OPTION VALUE=u",$f eq "u" ? " SELECTED" : "", ">Unidiff";
                    866:     print "<OPTION VALUE=c",$f eq "c" ? " SELECTED" : "", ">Context Diff";
                    867:     print "<OPTION VALUE=s",$f eq "s" ? " SELECTED" : "", ">Side by Side";
                    868:     print "</SELECT>";
                    869: }
                    870:
1.1.1.2   knu       871: sub findLastModifiedSubdirs(@) {
1.1.1.1   knu       872:     my (@dirs) = @_;
                    873:     my ($dirname, @files);
                    874:
                    875:     foreach $dirname (@dirs) {
                    876:        next if ($dirname eq ".");
                    877:        next if ($dirname eq "..");
                    878:        my ($dir) = "$fullname/$dirname";
                    879:        next if (!-d $dir);
                    880:
                    881:        my ($lastmod) = undef;
                    882:        my ($lastmodtime) = undef;
                    883:        my $dh = do {local(*DH);};
                    884:
                    885:        opendir($dh,$dir) || next;
                    886:        my (@filenames) = readdir($dh);
                    887:        closedir($dh);
                    888:
                    889:        foreach my $filename (@filenames) {
                    890:            $filename = "$dirname/$filename";
                    891:            my ($file) = "$fullname/$filename";
                    892:            next if ($filename !~ /,v$/ || !-f $file);
                    893:            $filename =~ s/,v$//;
                    894:            my $modtime = -M $file;
                    895:            if (!defined($lastmod) || $modtime < $lastmodtime) {
                    896:                $lastmod = $filename;
                    897:                $lastmodtime = $modtime;
                    898:            }
                    899:        }
                    900:        push(@files, $lastmod) if (defined($lastmod));
                    901:     }
                    902:     return @files;
                    903: }
                    904:
1.1.1.2   knu       905: sub htmlify($;$) {
1.1.1.4   knu       906:        my($string, $extra) = @_;
1.1.1.1   knu       907:
                    908:        # Special Characters; RFC 1866
                    909:        $string =~ s/&/&amp;/g;
1.1.1.2   knu       910:        $string =~ s/\"/&quot;/g;
1.1.1.1   knu       911:        $string =~ s/</&lt;/g;
                    912:        $string =~ s/>/&gt;/g;
                    913:
                    914:        # get URL's as link ..
1.1.1.5   knu       915:        $string =~ s`(http|ftp|https)(://[-a-zA-Z0-9%.~:_/]+)([?&]([-a-zA-Z0-9%.~:_]+)=([-a-zA-Z0-9%.~:_])+)*`<A HREF="$1$2$3">$1$2$3</A>`g;    # `
1.1.1.1   knu       916:        # get e-mails as link
1.1.1.5   knu       917:        $string =~ s`([-a-zA-Z0-9_.]+@([-a-zA-Z0-9]+\.)+[A-Za-z]{2,4})`<A HREF="mailto:$1">$1</A>`g;    # `
1.1.1.1   knu       918:
1.1.1.4   knu       919:        if ($extra) {
                    920:            # get PR #'s as link ..
                    921:            if (defined($prcgi)) {
1.1.1.5   knu       922:                1 while $string =~ s`\b(pr[:#]?\s*(?:#?\d+[,\s]\s*)*#?)(\d+)\b`$1 . &link($2, sprintf($prcgi, $2))`ie; # `
                    923:                $string =~ s`\b${prcategories}/(\d+)\b`&link($&, sprintf($prcgi, $1))`igeo;     # `
1.1.1.4   knu       924:            }
                    925:
                    926:            # get manpage specs as link ..
                    927:            if (defined($mancgi)) {
1.1.1.5   knu       928:                $string =~ s`\b([a-zA-Z]\w+)\(([0-9n])\)\B`&link($&, sprintf($mancgi, $2, $1))`ge; # `
1.1.1.4   knu       929:            }
1.1.1.1   knu       930:        }
                    931:
                    932:        return $string;
                    933: }
                    934:
1.1.1.6 ! knu       935: sub spacedHtmlText($;$) {
1.1.1.2   knu       936:        local $_ = $_[0];
1.1.1.6 ! knu       937:        my $ts = $_[1] || $tabstop;
1.1.1.1   knu       938:
1.1.1.6 ! knu       939:        # Cut trailing spaces and tabs
        !           940:        s/[ \t]+$//;
1.1.1.1   knu       941:
1.1.1.6 ! knu       942:         if (defined($ts)) {
        !           943:            # Expand tabs
        !           944:            1 while s/\t+/' ' x (length($&) * $ts - length($`) % $ts)/e
        !           945:        }
1.1.1.1   knu       946:
                    947:        # replace <tab> and <space> (\001 is to protect us from htmlify)
                    948:        # gzip can make excellent use of this repeating pattern :-)
                    949:        if ($hr_breakable) {
                    950:            # make every other space 'breakable'
1.1.1.2   knu       951:            s/  / \001nbsp;/g;                              # 2 * <space>
1.1.1.1   knu       952:            # leave single space as it is
1.1.1.6 ! knu       953:        } else {
1.1.1.2   knu       954:            s/ /\001nbsp;/g;
1.1.1.1   knu       955:        }
                    956:
1.1.1.2   knu       957:        $_ = htmlify($_);
1.1.1.1   knu       958:
                    959:        # unescape
1.1.1.6 ! knu       960:        y/\001/&/;
1.1.1.1   knu       961:
1.1.1.2   knu       962:        return $_;
1.1.1.1   knu       963: }
                    964:
1.1.1.2   knu       965: sub link($$) {
1.1.1.1   knu       966:        my($name, $where) = @_;
                    967:
                    968:        return "<A HREF=\"$where\">$name</A>\n";
                    969: }
                    970:
1.1.1.2   knu       971: sub revcmp($$) {
1.1.1.1   knu       972:        my($rev1, $rev2) = @_;
1.1.1.3   knu       973:
                    974:        # make no comparison for a tag or a branch
                    975:        return 0 if $rev1 =~ /[^\d.]/ || $rev2 =~ /[^\d.]/;
                    976:
1.1.1.1   knu       977:        my(@r1) = split(/\./, $rev1);
                    978:        my(@r2) = split(/\./, $rev2);
                    979:        my($a,$b);
                    980:
                    981:        while (($a = shift(@r1)) && ($b = shift(@r2))) {
                    982:            if ($a != $b) {
                    983:                return $a <=> $b;
1.1       jfieber   984:            }
1.1.1.1   knu       985:        }
                    986:        if (@r1) { return 1; }
                    987:        if (@r2) { return -1; }
                    988:        return 0;
                    989: }
                    990:
1.1.1.2   knu       991: sub fatal($$) {
1.1.1.1   knu       992:        my($errcode, $errmsg) = @_;
                    993:        if ($is_mod_perl) {
                    994:                Apache->request->status((split(/ /, $errcode))[0]);
                    995:        }
                    996:        else {
                    997:                print "Status: $errcode\r\n";
                    998:        }
                    999:        html_header("Error");
                   1000:        print "Error: $errmsg\n";
                   1001:        print &html_footer;
                   1002:        exit(1);
                   1003: }
                   1004:
1.1.1.2   knu      1005: sub redirect($) {
1.1.1.1   knu      1006:        my($url) = @_;
                   1007:        if ($is_mod_perl) {
                   1008:                Apache->request->status(301);
                   1009:                Apache->request->header_out(Location => $url);
                   1010:        }
                   1011:        else {
                   1012:                print "Status: 301 Moved\r\n";
                   1013:                print "Location: $url\r\n";
                   1014:        }
                   1015:        html_header("Moved");
                   1016:        print "This document is located <A HREF=$url>here</A>.\n";
                   1017:        print &html_footer;
                   1018:        exit(1);
                   1019: }
                   1020:
1.1.1.2   knu      1021: sub safeglob($) {
1.1.1.1   knu      1022:        my ($filename) = @_;
                   1023:        my ($dirname);
                   1024:        my (@results);
                   1025:        my $dh = do {local(*DH);};
                   1026:
                   1027:        ($dirname = $filename) =~ s|/[^/]+$||;
                   1028:        $filename =~ s|.*/||;
                   1029:
                   1030:        if (opendir($dh, $dirname)) {
                   1031:                my $glob = $filename;
                   1032:                my $t;
                   1033:        #       transform filename from glob to regex.  Deal with:
                   1034:        #       [, {, ?, * as glob chars
                   1035:        #       make sure to escape all other regex chars
                   1036:                $glob =~ s/([\.\(\)\|\+])/\\$1/g;
                   1037:                $glob =~ s/\*/.*/g;
                   1038:                $glob =~ s/\?/./g;
                   1039:                $glob =~ s/{([^}]+)}/($t = $1) =~ s-,-|-g; "($t)"/eg;
                   1040:                foreach (readdir($dh)) {
                   1041:                        if (/^${glob}$/) {
                   1042:                                push(@results, $dirname . "/" .$_);
                   1043:                        }
                   1044:                }
                   1045:        }
                   1046:
                   1047:        @results;
                   1048: }
                   1049:
1.1.1.2   knu      1050: sub getMimeTypeFromSuffix($) {
1.1.1.1   knu      1051:     my ($fullname) = @_;
                   1052:     my ($mimetype, $suffix);
                   1053:     my $fh = do {local(*FH);};
                   1054:
                   1055:     ($suffix = $fullname) =~ s/^.*\.([^.]*)$/$1/;
                   1056:     $mimetype = $MTYPES{$suffix};
                   1057:     $mimetype = $MTYPES{'*'} if (!$mimetype);
1.1.1.2   knu      1058:
1.1.1.1   knu      1059:     if (!$mimetype && -f $mime_types) {
                   1060:        # okey, this is something special - search the
                   1061:        # mime.types database
                   1062:        open ($fh, "<$mime_types");
                   1063:        while (<$fh>) {
                   1064:            if ($_ =~ /^\s*(\S+\/\S+).*\b$suffix\b/) {
                   1065:                $mimetype = $1;
                   1066:                last;
                   1067:            }
                   1068:        }
                   1069:        close ($fh);
                   1070:     }
1.1.1.2   knu      1071:
1.1.1.1   knu      1072: # okey, didn't find anything useful ..
                   1073:     if (!($mimetype =~ /\S\/\S/)) {
                   1074:        $mimetype = "text/plain";
                   1075:     }
                   1076:     return $mimetype;
                   1077: }
                   1078:
                   1079: ###############################
1.1.1.6 ! knu      1080: # read first lines like head(1)
        !          1081: ###############################
        !          1082: sub head($;$) {
        !          1083:     my $fh = $_[0];
        !          1084:     my $linecount = $_[1] || 10;
        !          1085:
        !          1086:     my @buf;
        !          1087:
        !          1088:     if ($linecount > 0) {
        !          1089:        my $i;
        !          1090:        for ($i = 0; !eof($fh) && $i < $linecount; $i++) {
        !          1091:            push @buf, scalar <$fh>;
        !          1092:        }
        !          1093:     } else {
        !          1094:        @buf = <$fh>;
        !          1095:     }
        !          1096:
        !          1097:     @buf;
        !          1098: }
        !          1099:
        !          1100: ###############################
        !          1101: # scan vim and Emacs directives
        !          1102: ###############################
        !          1103: sub scan_directives(@) {
        !          1104:     my $ts = undef;
        !          1105:
        !          1106:     for (@_) {
        !          1107:        $ts = $1 if /\b(?:ts|tabstop|tab-width)[:=]\s*([1-9]\d*)\b/;
        !          1108:     }
        !          1109:
        !          1110:     ('tabstop' => $ts);
        !          1111: }
        !          1112:
        !          1113: ###############################
1.1.1.1   knu      1114: # show Annotation
                   1115: ###############################
1.1.1.2   knu      1116: sub doAnnotate($$) {
1.1.1.1   knu      1117:     my ($rev) = @_;
                   1118:     my ($pid);
                   1119:     my ($pathname, $filename);
                   1120:     my $reader = do {local(*FH);};
                   1121:     my $writer = do {local(*FH);};
                   1122:
                   1123:     # make sure the revisions a wellformed, for security
                   1124:     # reasons ..
1.1.1.3   knu      1125:     if ($rev =~ /[^\w.]/) {
1.1.1.1   knu      1126:        &fatal("404 Not Found",
                   1127:                "Malformed query \"$ENV{QUERY_STRING}\"");
                   1128:     }
                   1129:
                   1130:     ($pathname = $where) =~ s/(Attic\/)?[^\/]*$//;
                   1131:     ($filename = $where) =~ s/^.*\///;
                   1132:
                   1133:     http_header();
                   1134:
1.1.1.2   knu      1135:     navigateHeader($scriptwhere,$pathname,$filename,$rev, "annotate");
1.1.1.1   knu      1136:     print "<h3 align=center>Annotation of $pathname$filename, Revision $rev</h3>\n";
                   1137:
                   1138:     # this seems to be necessary
                   1139:     $| = 1; $| = 0; # Flush
                   1140:
                   1141:     # this annotate version is based on the
                   1142:     # cvs annotate-demo Perl script by Cyclic Software
                   1143:     # It was written by Cyclic Software, http://www.cyclic.com/, and is in
                   1144:     # the public domain.
                   1145:     # we could abandon the use of rlog, rcsdiff and co using
                   1146:     # the cvsserver in a similiar way one day (..after rewrite)
1.1.1.2   knu      1147:     $pid = open2($reader, $writer, "cvs server") || fatal ("500 Internal Error",
1.1.1.1   knu      1148:                                                               "Fatal Error - unable to open cvs for annotation");
1.1.1.2   knu      1149:
1.1.1.1   knu      1150:     # OK, first send the request to the server.  A simplified example is:
                   1151:     #     Root /home/kingdon/zwork/cvsroot
                   1152:     #     Argument foo/xx
                   1153:     #     Directory foo
                   1154:     #     /home/kingdon/zwork/cvsroot/foo
                   1155:     #     Directory .
                   1156:     #     /home/kingdon/zwork/cvsroot
                   1157:     #     annotate
                   1158:     # although as you can see there are a few more details.
1.1.1.2   knu      1159:
1.1.1.1   knu      1160:     print $writer "Root $cvsroot\n";
                   1161:     print $writer "Valid-responses ok error Valid-requests Checked-in Updated Merged Removed M E\n";
                   1162:     # Don't worry about sending valid-requests, the server just needs to
                   1163:     # support "annotate" and if it doesn't, there isn't anything to be done.
                   1164:     print $writer "UseUnchanged\n";
                   1165:     print $writer "Argument -r\n";
                   1166:     print $writer "Argument $rev\n";
                   1167:     print $writer "Argument $where\n";
                   1168:
                   1169:     # The protocol requires us to fully fake a working directory (at
                   1170:     # least to the point of including the directories down to the one
                   1171:     # containing the file in question).
                   1172:     # So if $where is "dir/sdir/file", then @dirs will be ("dir","sdir","file")
                   1173:     my @dirs = split('/', $where);
                   1174:     my $path = "";
                   1175:     foreach (@dirs) {
                   1176:        if ($path eq "") {
                   1177:            # In our example, $_ is "dir".
                   1178:            $path = $_;
1.1.1.2   knu      1179:        }
1.1.1.1   knu      1180:        else {
                   1181:            print $writer "Directory $path\n";
                   1182:            print $writer "$cvsroot/$path\n";
                   1183:            # In our example, $_ is "sdir" and $path becomes "dir/sdir"
                   1184:            # And the next time, "file" and "dir/sdir/file" (which then gets
                   1185:            # ignored, because we don't need to send Directory for the file).
                   1186:             $path .= "/$_";
                   1187:        }
                   1188:     }
                   1189:     # And the last "Directory" before "annotate" is the top level.
                   1190:     print $writer "Directory .\n";
                   1191:     print $writer "$cvsroot\n";
1.1.1.2   knu      1192:
1.1.1.1   knu      1193:     print $writer "annotate\n";
                   1194:     # OK, we've sent our command to the server.  Thing to do is to
                   1195:     # close the writer side and get all the responses.  If "cvs server"
                   1196:     # were nicer about buffering, then we could just leave it open, I think.
                   1197:     close ($writer) || die "cannot close: $!";
1.1.1.2   knu      1198:
1.1.1.1   knu      1199:     # Ready to get the responses from the server.
                   1200:     # For example:
                   1201:     #     E Annotations for foo/xx
                   1202:     #     E ***************
1.1.1.2   knu      1203:     #     M 1.3          (kingdon  06-Sep-97): hello
1.1.1.1   knu      1204:     #     ok
                   1205:     my ($lineNr) = 0;
                   1206:     my ($oldLrev, $oldLusr) = ("", "");
                   1207:     my ($revprint, $usrprint);
                   1208:     if ($annTable) {
                   1209:        print "<table border=0 cellspacing=0 cellpadding=0>\n";
                   1210:     }
                   1211:     else {
                   1212:        print "<pre>";
                   1213:     }
1.1.1.6 ! knu      1214:
        !          1215:     # prefetch several lines
        !          1216:     my @buf = head($reader);
        !          1217:
        !          1218:     my %d = scan_directives(@buf);
        !          1219:
        !          1220:     while (@buf || !eof($reader)) {
        !          1221:        $_ = @buf ? shift @buf : <$reader>;
        !          1222:
1.1.1.1   knu      1223:        my @words = split;
                   1224:        # Adding one is for the (single) space which follows $words[0].
                   1225:        my $rest = substr ($_, length ($words[0]) + 1);
                   1226:        if ($words[0] eq "E") {
                   1227:            next;
                   1228:        }
                   1229:        elsif ($words[0] eq "M") {
                   1230:            $lineNr++;
                   1231:            my $lrev = substr ($_, 2, 13);
                   1232:            my $lusr = substr ($_, 16,  9);
                   1233:            my $line = substr ($_, 36);
                   1234:            # we should parse the date here ..
                   1235:            if ($lrev eq $oldLrev) {
                   1236:                $revprint = "             ";
                   1237:            }
                   1238:            else {
                   1239:                $revprint = $lrev; $oldLusr = "";
1.1.1.5   knu      1240:                $revprint =~ s`^(\S+)`<a href="${scriptwhere}${barequery}#rev$1">$1</A>`;       # `
1.1.1.1   knu      1241:            }
                   1242:            if ($lusr eq $oldLusr) {
                   1243:                $usrprint = "         ";
                   1244:            }
                   1245:            else {
                   1246:                $usrprint = $lusr;
                   1247:            }
                   1248:            $oldLrev = $lrev;
                   1249:            $oldLusr = $lusr;
                   1250:            # is there a less timeconsuming way to strip spaces ?
                   1251:            ($lrev = $lrev) =~ s/\s+//g;
                   1252:            my $isCurrentRev = ($rev eq $lrev);
1.1.1.2   knu      1253:
1.1.1.1   knu      1254:            print "<b>" if ($isCurrentRev);
                   1255:            printf ("%8s%s%8s %4d:", $revprint, ($isCurrentRev ? "|" : " "), $usrprint, $lineNr);
1.1.1.6 ! knu      1256:            print spacedHtmlText($line, $d{'tabstop'});
1.1.1.1   knu      1257:            print "</b>" if ($isCurrentRev);
                   1258:        }
                   1259:        elsif ($words[0] eq "ok") {
                   1260:            # We could complain about any text received after this, like the
                   1261:            # CVS command line client.  But for simplicity, we don't.
                   1262:        }
                   1263:        elsif ($words[0] eq "error") {
                   1264:            fatal ("500 Internal Error", "Error occured during annotate: <b>$_</b>");
                   1265:        }
                   1266:     }
                   1267:     if ($annTable) {
                   1268:        print "</table>";
                   1269:     }
                   1270:     else {
                   1271:        print "</pre>";
                   1272:     }
                   1273:     close ($reader) || warn "cannot close: $!";
                   1274:     wait;
                   1275: }
                   1276:
                   1277: ###############################
                   1278: # make Checkout
                   1279: ###############################
1.1.1.2   knu      1280: sub doCheckout($$) {
1.1.1.1   knu      1281:     my ($fullname, $rev) = @_;
                   1282:     my ($mimetype,$revopt);
                   1283:     my $fh = do {local(*FH);};
                   1284:
1.1.1.3   knu      1285:     if ($rev eq 'HEAD' || $rev eq '.') {
                   1286:        $rev = undef;
                   1287:     }
                   1288:
1.1.1.1   knu      1289:     # make sure the revisions a wellformed, for security
                   1290:     # reasons ..
1.1.1.3   knu      1291:     if (defined($rev) && $rev =~ /[^\w.]/) {
1.1.1.1   knu      1292:        &fatal("404 Not Found",
                   1293:                "Malformed query \"$ENV{QUERY_STRING}\"");
                   1294:     }
                   1295:
                   1296:     # get mimetype
                   1297:     if (defined($input{"content-type"}) && ($input{"content-type"} =~ /\S\/\S/)) {
                   1298:        $mimetype = $input{"content-type"}
                   1299:     }
                   1300:     else {
                   1301:        $mimetype = &getMimeTypeFromSuffix($fullname);
                   1302:     }
                   1303:
                   1304:     if (defined($rev)) {
                   1305:        $revopt = "-r$rev";
                   1306:        if ($use_moddate) {
                   1307:            readLog($fullname,$rev);
                   1308:            $moddate=$date{$rev};
                   1309:        }
                   1310:     }
                   1311:     else {
                   1312:        $revopt = "-rHEAD";
                   1313:        if ($use_moddate) {
                   1314:            readLog($fullname);
                   1315:            $moddate=$date{$symrev{HEAD}};
                   1316:        }
                   1317:     }
1.1.1.2   knu      1318:
1.1.1.1   knu      1319:     ### just for the record:
                   1320:     ### 'cvs co' seems to have a bug regarding single checkout of
                   1321:     ### directories/files having spaces in it;
                   1322:     ### this is an issue that should be resolved on cvs's side
                   1323:     #
                   1324:     # Safely for a child process to read from.
                   1325:     if (! open($fh, "-|")) { # child
                   1326:       open(STDERR, ">&STDOUT"); # Redirect stderr to stdout
1.1.1.3   knu      1327:       exec("cvs", "-Rld", $cvsroot, "co", "-p", $revopt, $where);
1.1.1.2   knu      1328:     }
1.1.1.1   knu      1329: #===================================================================
                   1330: #Checking out squid/src/ftp.c
                   1331: #RCS:  /usr/src/CVS/squid/src/ftp.c,v
                   1332: #VERS: 1.1.1.28.6.2
                   1333: #***************
                   1334:
                   1335:     # Parse CVS header
                   1336:     my ($revision, $filename, $cvsheader);
                   1337:     while(<$fh>) {
                   1338:        last if (/^\*\*\*\*/);
                   1339:        $revision = $1 if (/^VERS: (.*)$/);
                   1340:        if (/^Checking out (.*)$/) {
                   1341:                $filename = $1;
                   1342:                $filename =~ s/^\.\/*//;
                   1343:        }
                   1344:        $cvsheader .= $_;
                   1345:     }
                   1346:     if ($filename ne $where) {
                   1347:        &fatal("500 Internal Error",
                   1348:               "Unexpected output from cvs co: $cvsheader"
                   1349:               . "<p><b>Check whether the directory $cvsroot/CVSROOT exists "
                   1350:               . "and the script has write-access to the CVSROOT/history "
                   1351:               . "file if it exists."
                   1352:               . "<br>The script needs to place lock files in the "
                   1353:               . "directory the file is in as well.</b>");
                   1354:     }
                   1355:     $| = 1;
                   1356:
                   1357:     if ($mimetype eq "text/x-cvsweb-markup") {
                   1358:        &cvswebMarkup($fh,$fullname,$revision);
                   1359:     }
                   1360:     else {
                   1361:        http_header($mimetype);
                   1362:        print <$fh>;
                   1363:     }
                   1364:     close($fh);
                   1365: }
                   1366:
1.1.1.2   knu      1367: sub cvswebMarkup($$$) {
1.1.1.1   knu      1368:     my ($filehandle,$fullname,$revision) = @_;
                   1369:     my ($pathname, $filename);
                   1370:
                   1371:     ($pathname = $where) =~ s/(Attic\/)?[^\/]*$//;
                   1372:     ($filename = $where) =~ s/^.*\///;
                   1373:     my ($fileurl) = urlencode($filename);
                   1374:
                   1375:     http_header();
                   1376:
1.1.1.2   knu      1377:     navigateHeader($scriptwhere, $pathname, $filename, $revision, "view");
1.1.1.1   knu      1378:     print "<HR noshade>";
                   1379:     print "<table width=\"100%\"><tr><td bgcolor=\"$markupLogColor\">";
                   1380:     print "File: ", &clickablePath($where, 1);
                   1381:     print "&nbsp;";
                   1382:     &download_link(urlencode($fileurl), $revision, "(download)");
                   1383:     if (!$defaultTextPlain) {
                   1384:        print "&nbsp;";
1.1.1.2   knu      1385:        &download_link(urlencode($fileurl), $revision, "(as text)",
1.1.1.1   knu      1386:               "text/plain");
                   1387:     }
                   1388:     print "<BR>\n";
                   1389:     if ($show_log_in_markup) {
                   1390:        readLog($fullname); #,$revision);
                   1391:        printLog($revision,0);
                   1392:     }
                   1393:     else {
                   1394:        print "Version: <B>$revision</B><BR>\n";
                   1395:        print "Tag: <B>", $input{only_with_tag}, "</b><br>\n" if
                   1396:            $input{only_with_tag};
                   1397:     }
                   1398:     print "</td></tr></table>";
                   1399:     my $url = download_url($fileurl, $revision, $mimetype);
                   1400:     print "<HR noshade>";
                   1401:     if ($mimetype =~ /^image/) {
                   1402:        print "<IMG SRC=\"$url$barequery\"><BR>";
                   1403:     }
1.1.1.6 ! knu      1404:     elsif ($mimetype =~ m%^application/pdf%) {
        !          1405:        print "<EMBED SRC=\"$url$barequery\" WIDTH=\"100%\"><BR>";
        !          1406:     }
1.1.1.1   knu      1407:     else {
                   1408:        print "<PRE>";
1.1.1.6 ! knu      1409:
        !          1410:        # prefetch several lines
        !          1411:        my @buf = head($filehandle);
        !          1412:
        !          1413:        my %d = scan_directives(@buf);
        !          1414:
        !          1415:        while (@buf || !eof($filehandle)) {
        !          1416:            $_ = @buf ? shift @buf : <$filehandle>;
        !          1417:
        !          1418:            print spacedHtmlText($_, $d{'tabstop'});
1.1.1.1   knu      1419:        }
                   1420:        print "</PRE>";
                   1421:     }
                   1422: }
                   1423:
                   1424: sub viewable($) {
                   1425:     my ($mimetype) = @_;
                   1426:
1.1.1.6 ! knu      1427:     $mimetype =~ m%^((text|image)/|application/pdf)% ;
1.1.1.1   knu      1428: }
                   1429:
                   1430: ###############################
                   1431: # Show Colored Diff
                   1432: ###############################
1.1.1.2   knu      1433: sub doDiff($$$$$$) {
1.1.1.1   knu      1434:        my($fullname, $r1, $tr1, $r2, $tr2, $f) = @_;
                   1435:         my $fh = do {local(*FH);};
                   1436:        my ($rev1, $rev2, $sym1, $sym2, @difftype, $diffname, $f1, $f2);
                   1437:
                   1438:        if ($r1 =~ /([^:]+)(:(.+))?/) {
                   1439:            $rev1 = $1;
                   1440:            $sym1 = $3;
                   1441:        }
                   1442:        if ($r1 eq 'text') {
                   1443:            $rev1 = $tr1;
                   1444:            $sym1 = "";
                   1445:        }
                   1446:        if ($r2 =~ /([^:]+)(:(.+))?/) {
                   1447:            $rev2 = $1;
                   1448:            $sym2 = $3;
                   1449:        }
                   1450:        if ($r2 eq 'text') {
                   1451:            $rev2 = $tr2;
                   1452:            $sym2 = "";
                   1453:        }
1.1.1.3   knu      1454:
1.1.1.1   knu      1455:        # make sure the revisions a wellformed, for security
                   1456:        # reasons ..
1.1.1.3   knu      1457:        if ($rev1 =~ /[^\w.]/ || $rev2 =~ /[^\w.]/) {
1.1.1.1   knu      1458:            &fatal("404 Not Found",
                   1459:                    "Malformed query \"$ENV{QUERY_STRING}\"");
                   1460:        }
1.1       jfieber  1461: #
                   1462: # rev1 and rev2 are now both numeric revisions.
                   1463: # Thus we do a DWIM here and swap them if rev1 is after rev2.
                   1464: # XXX should we warn about the fact that we do this?
1.1.1.1   knu      1465:        if (&revcmp($rev1,$rev2) > 0) {
                   1466:            my ($tmp1, $tmp2) = ($rev1, $sym1);
                   1467:            ($rev1, $sym1) = ($rev2, $sym2);
                   1468:            ($rev2, $sym2) = ($tmp1, $tmp2);
                   1469:        }
                   1470:        my $human_readable = 0;
                   1471:        if ($f eq 'c') {
                   1472:            @difftype = qw{-c};
                   1473:            $diffname = "Context diff";
                   1474:        }
                   1475:        elsif ($f eq 's') {
                   1476:            @difftype = qw{--side-by-side --width=164};
                   1477:            $diffname = "Side by Side";
                   1478:        }
                   1479:        elsif ($f eq 'H') {
                   1480:            $human_readable = 1;
                   1481:            @difftype = qw{--unified=15};
                   1482:            $diffname = "Long Human readable";
                   1483:        }
                   1484:        elsif ($f eq 'h') {
                   1485:            @difftype =qw{-u};
                   1486:            $human_readable = 1;
                   1487:            $diffname = "Human readable";
                   1488:        }
                   1489:        elsif ($f eq 'u') {
                   1490:            @difftype = qw{-u};
1.1       jfieber  1491:            $diffname = "Unidiff";
1.1.1.1   knu      1492:        }
                   1493:        else {
                   1494:            fatal ("400 Bad arguments", "Diff format $f not understood");
                   1495:        }
                   1496:
                   1497:        # apply special options
                   1498:        if ($showfunc) {
1.1.1.3   knu      1499:            push @difftype, '-p' if $f =~ /^[cHhu]$/;
1.1.1.1   knu      1500:
                   1501:            my($re1, $re2);
                   1502:
                   1503:            while (($re1, $re2) = each %funcline_regexp) {
                   1504:                if ($fullname =~ /$re1/) {
                   1505:                    push @difftype, '-F', '$re2';
                   1506:                    last;
1.1       jfieber  1507:                }
                   1508:            }
1.1.1.1   knu      1509:        }
                   1510:        if ($human_readable) {
                   1511:            if ($hr_ignwhite) {
                   1512:                push @difftype, '-w';
                   1513:            }
                   1514:            if ($hr_ignkeysubst) {
                   1515:                push @difftype, '-kk';
                   1516:            }
                   1517:        }
                   1518:        if (! open($fh, "-|")) { # child
                   1519:            open(STDERR, ">&STDOUT"); # Redirect stderr to stdout
                   1520:            exec("rcsdiff",@difftype,"-r$rev1","-r$rev2",$fullname);
                   1521:        }
                   1522:        if ($human_readable) {
                   1523:            http_header();
                   1524:            &human_readable_diff($fh, $rev2);
1.1.1.6 ! knu      1525:            close(GZIP) if ($gzip_open);
1.1.1.1   knu      1526:            exit;
                   1527:        }
                   1528:        else {
                   1529:            http_header("text/plain");
                   1530:        }
1.1       jfieber  1531: #
                   1532: #===================================================================
                   1533: #RCS file: /home/ncvs/src/sys/netinet/tcp_output.c,v
                   1534: #retrieving revision 1.16
                   1535: #retrieving revision 1.17
                   1536: #diff -c -r1.16 -r1.17
                   1537: #*** /home/ncvs/src/sys/netinet/tcp_output.c     1995/11/03 22:08:08     1.16
                   1538: #--- /home/ncvs/src/sys/netinet/tcp_output.c     1995/12/05 17:46:35     1.17
                   1539: #
                   1540: # Ideas:
                   1541: # - nuke the stderr output if it's what we expect it to be
                   1542: # - Add "no differences found" if the diff command supplied no output.
                   1543: #
                   1544: #*** src/sys/netinet/tcp_output.c     1995/11/03 22:08:08     1.16
                   1545: #--- src/sys/netinet/tcp_output.c     1995/12/05 17:46:35     1.17 RELENG_2_1_0
                   1546: # (bogus example, but...)
                   1547: #
1.1.1.1   knu      1548:        if (grep { $_ eq '-u'} @difftype) {
                   1549:            $f1 = '---';
                   1550:            $f2 = '\+\+\+';
                   1551:        }
                   1552:        else {
                   1553:            $f1 = '\*\*\*';
                   1554:            $f2 = '---';
                   1555:        }
                   1556:        while (<$fh>) {
                   1557:            if (m|^$f1 $cvsroot|o) {
                   1558:                s|$cvsroot/||o;
                   1559:                if ($sym1) {
                   1560:                    chop;
                   1561:                    $_ .= " " . $sym1 . "\n";
1.1       jfieber  1562:                }
                   1563:            }
1.1.1.1   knu      1564:            elsif (m|^$f2 $cvsroot|o) {
                   1565:                s|$cvsroot/||o;
                   1566:                if ($sym2) {
                   1567:                    chop;
                   1568:                    $_ .= " " . $sym2 . "\n";
                   1569:                }
                   1570:            }
                   1571:            print $_;
                   1572:        }
                   1573:        close($fh);
                   1574: }
                   1575:
                   1576: ###############################
                   1577: # Show Logs ..
                   1578: ###############################
1.1.1.2   knu      1579: sub getDirLogs($$@) {
1.1.1.1   knu      1580:     my ($cvsroot,$dirname,@otherFiles) = @_;
                   1581:     my ($state,$otherFiles,$tag, $file, $date, $branchpoint, $branch, $log);
                   1582:     my ($rev, $revision, $revwanted, $filename, $head, $author);
                   1583:
                   1584:     $tag = $input{only_with_tag};
                   1585:
                   1586:     my ($DirName) = "$cvsroot/$where";
                   1587:     my (@files, @filetags);
                   1588:     my $fh = do {local(*FH);};
                   1589:
                   1590:     push(@files, &safeglob("$DirName/*,v"));
                   1591:     push(@files, &safeglob("$DirName/Attic/*,v")) if (!$input{'hideattic'});
                   1592:     foreach $file (@otherFiles) {
                   1593:        push(@files, "$DirName/$file");
                   1594:     }
                   1595:
                   1596:     # just execute rlog if there are any files
1.1.1.2   knu      1597:     if ($#files < 0) {
1.1.1.1   knu      1598:        return;
                   1599:     }
                   1600:
                   1601:     if ($tag) {
                   1602:        #can't use -r<tag> as - is allowed in tagnames, but misinterpreated by rlog..
                   1603:        if (! open($fh, "-|")) {
                   1604:                open(STDERR, '>/dev/null'); # rlog may complain; ignore.
                   1605:                exec('rlog', @files);
                   1606:        }
                   1607:     }
                   1608:     else {
                   1609:        my $kidpid = open($fh, "-|");
                   1610:        if (! $kidpid) {
                   1611:                open(STDERR, '>/dev/null'); # rlog may complain; ignore.
                   1612:                exec('rlog', '-r', @files);
                   1613:        }
                   1614:     }
                   1615:     $state = "start";
                   1616:     while (<$fh>) {
                   1617:        if ($state eq "start") {
                   1618:            #Next file. Initialize file variables
                   1619:            $rev = undef;
                   1620:            $revwanted = undef;
                   1621:            $branch = undef;
                   1622:            $branchpoint = undef;
                   1623:            $filename = undef;
                   1624:            $log = undef;
                   1625:            $revision = undef;
                   1626:            $branch = undef;
                   1627:            %symrev = ();
                   1628:            @filetags = ();
                   1629:            #jump to head state
                   1630:            $state = "head";
1.1       jfieber  1631:        }
1.1.1.1   knu      1632:        print "$state:$_" if ($verbose);
                   1633: again:
                   1634:        if ($state eq "head") {
                   1635:            #$rcsfile = $1 if (/^RCS file: (.+)$/); #not used (yet)
                   1636:            $filename = $1 if (/^Working file: (.+)$/);
                   1637:            $head = $1 if (/^head: (.+)$/);
                   1638:            $branch = $1 if (/^branch: (.+)$/);
                   1639:        }
                   1640:        if ($state eq "head" && /^symbolic names/) {
                   1641:            $state = "tags";
1.1.1.2   knu      1642:            ($branch = $head) =~ s/\.\d+$// if (!defined($branch));
1.1.1.1   knu      1643:            $branch =~ s/(\.?)(\d+)$/${1}0.$2/;
                   1644:            $symrev{MAIN} = $branch;
                   1645:            $symrev{HEAD} = $branch;
                   1646:            $alltags{MAIN} = 1;
                   1647:            $alltags{HEAD} = 1;
                   1648:            push (@filetags, "MAIN", "HEAD");
                   1649:            next;
                   1650:        }
                   1651:        if ($state eq "tags" &&
                   1652:                            /^\s+(.+):\s+([\d\.]+)\s+$/) {
                   1653:            push (@filetags, $1);
                   1654:            $symrev{$1} = $2;
                   1655:            $alltags{$1} = 1;
                   1656:            next;
                   1657:        }
                   1658:        if ($state eq "tags" && /^\S/) {
                   1659:            if (defined($tag) && (defined($symrev{$tag}) || $tag eq "HEAD")) {
                   1660:                $revwanted = $tag eq "HEAD" ? $symrev{"MAIN"} : $symrev{$tag};
                   1661:                ($branch = $revwanted) =~ s/\b0\.//;
                   1662:                ($branchpoint = $branch) =~ s/\.?\d+$//;
                   1663:                $revwanted = undef if ($revwanted ne $branch);
                   1664:            }
                   1665:            elsif (defined($tag) && $tag ne "HEAD") {
                   1666:                print "Tag not found, skip this file" if ($verbose);
                   1667:                $state = "skip";
                   1668:                next;
                   1669:            }
                   1670:            foreach my $tagfound (@filetags) {
                   1671:                $tags{$tagfound} = 1;
                   1672:            }
                   1673:            $state = "head";
                   1674:            goto again;
                   1675:        }
                   1676:        if ($state eq "head" && /^----------------------------$/) {
                   1677:            $state = "log";
                   1678:            $rev = undef;
                   1679:            $date = undef;
                   1680:            $log = "";
                   1681:            # Try to reconstruct the relative filename if RCS spits out a full path
                   1682:            $filename =~ s%^\Q$DirName\E/%%;
                   1683:            next;
                   1684:        }
                   1685:        if ($state eq "log") {
                   1686:            if (/^----------------------------$/
                   1687:                || /^=============================/) {
                   1688:                # End of a log entry.
                   1689:                my $revbranch;
                   1690:                ($revbranch = $rev) =~ s/\.\d+$//;
                   1691:                print "$filename $rev Wanted: $revwanted "
                   1692:                    . "Revbranch: $revbranch Branch: $branch "
                   1693:                    . "Branchpoint: $branchpoint\n" if ($verbose);
                   1694:                if (!defined($revwanted) && defined($branch)
                   1695:                    && $branch eq $revbranch || !defined($tag)) {
                   1696:                    print "File revision $rev found for branch $branch\n"
                   1697:                        if ($verbose);
                   1698:                    $revwanted = $rev;
                   1699:                }
                   1700:                if (defined($revwanted) ? $rev eq $revwanted :
                   1701:                    defined($branchpoint) ? $rev eq $branchpoint :
                   1702:                    0 && ($rev eq $head)) { # Don't think head is needed here..
                   1703:                    print "File info $rev found for $filename\n" if ($verbose);
                   1704:                    my @finfo = ($rev,$date,$log,$author,$filename);
                   1705:                    my ($name);
                   1706:                    ($name = $filename) =~ s%/.*%%;
                   1707:                    $fileinfo{$name} = [ @finfo ];
                   1708:                    $state = "done" if ($rev eq $revwanted);
                   1709:                }
                   1710:                $rev = undef;
                   1711:                $date = undef;
                   1712:                $log = "";
                   1713:            }
                   1714:            elsif (!defined($date) && m|^date:\s+(\d+)/(\d+)/(\d+)\s+(\d+):(\d+):(\d+);|) {
                   1715:                my $yr = $1;
                   1716:                # damn 2-digit year routines :-)
                   1717:                if ($yr > 100) {
                   1718:                    $yr -= 1900;
                   1719:                }
                   1720:                $date = &Time::Local::timegm($6,$5,$4,$3,$2 - 1,$yr);
                   1721:                ($author) = /author: ([^;]+)/;
                   1722:                $state = "log";
                   1723:                $log = '';
                   1724:                next;
                   1725:            }
                   1726:            elsif (!defined($rev) && m/^revision (.*)$/) {
                   1727:                $rev = $1;
                   1728:                next;
                   1729:            }
                   1730:            else {
                   1731:                $log = $log . $_;
                   1732:            }
                   1733:        }
                   1734:        if (/^===============/) {
                   1735:            $state = "start";
                   1736:            next;
                   1737:        }
                   1738:     }
                   1739:     if ($. == 0) {
1.1.1.2   knu      1740:        fatal("500 Internal Error",
1.1.1.1   knu      1741:              "Failed to spawn GNU rlog on <em>'".join(", ", @files)."'</em><p>did you set the <b>\$ENV{PATH}</b> in your configuration file correctly ?");
                   1742:     }
                   1743:     close($fh);
                   1744: }
                   1745:
1.1.1.2   knu      1746: sub readLog($;$) {
1.1.1.1   knu      1747:        my($fullname,$revision) = @_;
                   1748:        my ($symnames, $head, $rev, $br, $brp, $branch, $branchrev);
                   1749:        my $fh = do {local(*FH);};
                   1750:
                   1751:        if (defined($revision)) {
                   1752:            $revision = "-r$revision";
                   1753:        }
                   1754:        else {
                   1755:            $revision = "";
                   1756:        }
                   1757:
                   1758:        undef %symrev;
                   1759:        undef %revsym;
                   1760:        undef @allrevisions;
                   1761:        undef %date;
                   1762:        undef %author;
                   1763:        undef %state;
                   1764:        undef %difflines;
                   1765:        undef %log;
                   1766:
                   1767:        print("Going to rlog '$fullname'\n") if ($verbose);
                   1768:        if (! open($fh, "-|")) { # child
                   1769:                if ($revision ne '') {
                   1770:                        exec("rlog",$revision,$fullname);
                   1771:                }
                   1772:                else {
                   1773:                        exec("rlog",$fullname);
                   1774:                }
                   1775:        }
                   1776:        while (<$fh>) {
1.1       jfieber  1777:            print if ($verbose);
                   1778:            if ($symnames) {
                   1779:                if (/^\s+([^:]+):\s+([\d\.]+)/) {
                   1780:                    $symrev{$1} = $2;
1.1.1.1   knu      1781:                }
                   1782:                else {
1.1       jfieber  1783:                    $symnames = 0;
                   1784:                }
1.1.1.1   knu      1785:            }
                   1786:            elsif (/^head:\s+([\d\.]+)/) {
                   1787:                $head = $1;
                   1788:            }
                   1789:            elsif (/^branch:\s+([\d\.]+)/) {
                   1790:                $curbranch = $1;
                   1791:            }
                   1792:            elsif (/^symbolic names/) {
1.1       jfieber  1793:                $symnames = 1;
1.1.1.1   knu      1794:            }
                   1795:            elsif (/^-----/) {
1.1       jfieber  1796:                last;
                   1797:            }
                   1798:        }
1.1.1.1   knu      1799:        ($curbranch = $head) =~ s/\.\d+$// if (!defined($curbranch));
                   1800:
1.1       jfieber  1801: # each log entry is of the form:
                   1802: # ----------------------------
                   1803: # revision 3.7.1.1
                   1804: # date: 1995/11/29 22:15:52;  author: fenner;  state: Exp;  lines: +5 -3
                   1805: # log info
                   1806: # ----------------------------
                   1807:        logentry:
                   1808:        while (!/^=========/) {
1.1.1.1   knu      1809:            $_ = <$fh>;
                   1810:            last logentry if (!defined($_));    # EOF
1.1       jfieber  1811:            print "R:", $_ if ($verbose);
                   1812:            if (/^revision ([\d\.]+)/) {
                   1813:                $rev = $1;
1.1.1.1   knu      1814:                unshift(@allrevisions,$rev);
                   1815:            }
                   1816:            elsif (/^========/ || /^----------------------------$/) {
                   1817:                next logentry;
                   1818:            }
                   1819:            else {
                   1820:                # The rlog output is syntactically ambiguous.  We must
                   1821:                # have guessed wrong about where the end of the last log
                   1822:                # message was.
                   1823:                # Since this is likely to happen when people put rlog output
                   1824:                # in their commit messages, don't even bother keeping
                   1825:                # these lines since we don't know what revision they go with
                   1826:                # any more.
1.1       jfieber  1827:                next logentry;
1.1.1.1   knu      1828: #              &fatal("500 Internal Error","Error parsing RCS output: $_");
1.1       jfieber  1829:            }
1.1.1.1   knu      1830:            $_ = <$fh>;
1.1       jfieber  1831:            print "D:", $_ if ($verbose);
1.1.1.1   knu      1832:            if (m|^date:\s+(\d+)/(\d+)/(\d+)\s+(\d+):(\d+):(\d+);\s+author:\s+(\S+);\s+state:\s+(\S+);\s+(lines:\s+([0-9\s+-]+))?|) {
                   1833:                my $yr = $1;
                   1834:                 # damn 2-digit year routines :-)
                   1835:                 if ($yr > 100) {
                   1836:                     $yr -= 1900;
                   1837:                 }
                   1838:                $date{$rev} = &Time::Local::timegm($6,$5,$4,$3,$2 - 1,$yr);
1.1       jfieber  1839:                $author{$rev} = $7;
1.1.1.1   knu      1840:                $state{$rev} = $8;
                   1841:                $difflines{$rev} = $10;
                   1842:            }
                   1843:            else {
1.1       jfieber  1844:                &fatal("500 Internal Error", "Error parsing RCS output: $_");
                   1845:            }
                   1846:            line:
1.1.1.1   knu      1847:            while (<$fh>) {
1.1       jfieber  1848:                print "L:", $_ if ($verbose);
                   1849:                next line if (/^branches:\s/);
                   1850:                last line if (/^----------------------------$/ || /^=========/);
                   1851:                $log{$rev} .= $_;
                   1852:            }
                   1853:            print "E:", $_ if ($verbose);
                   1854:        }
1.1.1.1   knu      1855:        close($fh);
1.1       jfieber  1856:        print "Done reading RCS file\n" if ($verbose);
1.1.1.1   knu      1857:
                   1858:        @revorder = reverse sort {revcmp($a,$b)} @allrevisions;
                   1859:        print "Done sorting revisions",join(" ",@revorder),"\n" if ($verbose);
                   1860:
1.1       jfieber  1861: #
                   1862: # HEAD is an artificial tag which is simply the highest tag number on the main
1.1.1.1   knu      1863: # branch, unless there is a branch tag in the RCS file in which case it's the
                   1864: # highest revision on that branch.  Find it by looking through @revorder; it
                   1865: # is the first commit listed on the appropriate branch.
                   1866: # This is not neccesary the same revision as marked as head in the RCS file.
                   1867:        my $headrev = $curbranch || "1";
                   1868:        ($symrev{"MAIN"} = $headrev) =~ s/(\.?)(\d+)$/${1}0.$2/;
1.1       jfieber  1869:        revision:
1.1.1.1   knu      1870:        foreach $rev (@revorder) {
                   1871:            if ($rev =~ /^(\S*)\.\d+$/ && $headrev eq $1) {
                   1872:                $symrev{"HEAD"} = $rev;
1.1       jfieber  1873:                last revision;
                   1874:            }
                   1875:        }
1.1.1.1   knu      1876:        ($symrev{"HEAD"} = $headrev) =~ s/\.\d+$//
                   1877:             if (!defined($symrev{"HEAD"}));
1.1       jfieber  1878:        print "Done finding HEAD\n" if ($verbose);
                   1879: #
                   1880: # Now that we know all of the revision numbers, we can associate
                   1881: # absolute revision numbers with all of the symbolic names, and
                   1882: # pass them to the form so that the same association doesn't have
                   1883: # to be built then.
                   1884: #
1.1.1.1   knu      1885:        undef @branchnames;
                   1886:        undef %branchpoint;
                   1887:        undef $sel;
                   1888:
                   1889:        foreach (reverse sort keys %symrev) {
1.1       jfieber  1890:            $rev = $symrev{$_};
1.1.1.1   knu      1891:            if ($rev =~ /^((.*)\.)?\b0\.(\d+)$/) {
                   1892:                push(@branchnames, $_);
1.1       jfieber  1893:                #
                   1894:                # A revision number of A.B.0.D really translates into
                   1895:                # "the highest current revision on branch A.B.D".
                   1896:                #
                   1897:                # If there is no branch A.B.D, then it translates into
                   1898:                # the head A.B .
                   1899:                #
1.1.1.1   knu      1900:                # This reasoning also applies to the main branch A.B,
                   1901:                # with the branch number 0.A, with the exception that
                   1902:                # it has no head to translate to if there is nothing on
                   1903:                # the branch, but I guess this can never happen?
                   1904:                # (the code below gracefully forgets about the branch
                   1905:                # if it should happen)
1.1       jfieber  1906:                #
1.1.1.1   knu      1907:                $head = defined($2) ? $2 : "";
1.1       jfieber  1908:                $branch = $3;
1.1.1.1   knu      1909:                $branchrev = $head . ($head ne "" ? "." : "") . $branch;
                   1910:                my $regex;
                   1911:                ($regex = $branchrev) =~ s/\./\\./g;
1.1       jfieber  1912:                $rev = $head;
                   1913:
                   1914:                revision:
1.1.1.1   knu      1915:                foreach my $r (@revorder) {
                   1916:                    if ($r =~ /^${regex}\b/) {
                   1917:                        $rev = $branchrev;
1.1       jfieber  1918:                        last revision;
                   1919:                    }
                   1920:                }
1.1.1.1   knu      1921:                next if ($rev eq "");
                   1922:                if ($rev ne $head && $head ne "") {
                   1923:                    $branchpoint{$head} .= ", " if ($branchpoint{$head});
                   1924:                    $branchpoint{$head} .= $_;
                   1925:                }
1.1       jfieber  1926:            }
1.1.1.1   knu      1927:            $revsym{$rev} .= ", " if ($revsym{$rev});
                   1928:            $revsym{$rev} .= $_;
1.1       jfieber  1929:            $sel .= "<OPTION VALUE=\"${rev}:${_}\">$_\n";
                   1930:        }
                   1931:        print "Done associating revisions with branches\n" if ($verbose);
1.1.1.1   knu      1932:
                   1933:        my ($onlyonbranch, $onlybranchpoint);
                   1934:        if ($onlyonbranch = $input{'only_with_tag'}) {
                   1935:            $onlyonbranch = $symrev{$onlyonbranch};
                   1936:            if ($onlyonbranch =~ s/\b0\.//) {
                   1937:                ($onlybranchpoint = $onlyonbranch) =~ s/\.\d+$//;
                   1938:            }
                   1939:             else {
                   1940:                $onlybranchpoint = $onlyonbranch;
                   1941:            }
                   1942:            if (!defined($onlyonbranch) || $onlybranchpoint eq "") {
                   1943:                fatal("404 Tag not found","Tag $input{'only_with_tag'} not defined");
                   1944:            }
                   1945:        }
                   1946:
                   1947:        undef @revisions;
                   1948:
                   1949:        foreach (@allrevisions) {
                   1950:            ($br = $_) =~ s/\.\d+$//;
                   1951:            ($brp = $br) =~ s/\.\d+$//;
                   1952:            next if ($onlyonbranch && $br ne $onlyonbranch &&
                   1953:                                        $_ ne $onlybranchpoint);
                   1954:            unshift(@revisions,$_);
                   1955:        }
                   1956:
                   1957:        if ($logsort eq "date") {
                   1958:            # Sort the revisions in commit order an secondary sort on revision
                   1959:            # (secondary sort needed for imported sources, or the first main
                   1960:            # revision gets before the same revision on the 1.1.1 branch)
                   1961:            @revdisplayorder = sort {$date{$b} <=> $date{$a} || -revcmp($a, $b)} @revisions;
                   1962:        }
                   1963:         elsif ($logsort eq "rev") {
                   1964:            # Sort the revisions in revision order, highest first
                   1965:            @revdisplayorder = reverse sort {revcmp($a,$b)} @revisions;
                   1966:        }
                   1967:         else {
                   1968:            # No sorting. Present in the same order as rlog / cvs log
                   1969:            @revdisplayorder = @revisions;
                   1970:        }
                   1971:
                   1972: }
                   1973:
                   1974: sub printLog($;$) {
                   1975:        my ($link, $br, $brp);
                   1976:        ($_,$link) = @_;
                   1977:        ($br = $_) =~ s/\.\d+$//;
                   1978:        ($brp = $br) =~ s/\.?\d+$//;
                   1979:        my ($isDead, $prev);
                   1980:
                   1981:        $link = 1 if (!defined($link));
                   1982:        $isDead = ($state{$_} eq "dead");
                   1983:
                   1984:        if ($link && !$isDead) {
                   1985:            my ($filename);
                   1986:            ($filename = $where) =~ s/^.*\///;
                   1987:            my ($fileurl) = urlencode($filename);
                   1988:            print "<a NAME=\"rev$_\"></a>";
                   1989:            if (defined($revsym{$_})) {
                   1990:                foreach my $sym (split(", ", $revsym{$_})) {
                   1991:                    print "<a NAME=\"$sym\"></a>";
                   1992:                }
                   1993:            }
                   1994:            if (defined($revsym{$br}) && $revsym{$br} && !defined($nameprinted{$br})) {
                   1995:                foreach my $sym (split(", ", $revsym{$br})) {
                   1996:                    print "<a NAME=\"$sym\"></a>";
                   1997:                }
                   1998:                $nameprinted{$br} = 1;
                   1999:            }
                   2000:            print "\n Revision ";
                   2001:            &download_link($fileurl, $_, $_,
                   2002:                $defaultViewable ? "text/x-cvsweb-markup" : undef);
                   2003:            if ($defaultViewable) {
                   2004:                print " / ";
                   2005:                &download_link($fileurl, $_, "(download)", $mimetype);
                   2006:            }
                   2007:            if (not $defaultTextPlain) {
                   2008:                print " / ";
1.1.1.2   knu      2009:                &download_link($fileurl, $_, "(as text)",
1.1.1.1   knu      2010:                           "text/plain");
                   2011:            }
                   2012:            if (!$defaultViewable) {
                   2013:                print " / ";
                   2014:                &download_link($fileurl, $_, "(view)", "text/x-cvsweb-markup");
                   2015:            }
                   2016:            if ($allow_annotate) {
                   2017:                print " - <a href=\"" . $scriptname . "/" . urlencode($where) . "?annotate=$_$barequery\">";
                   2018:                print "annotate</a>";
                   2019:            }
                   2020:            # Plus a select link if enabled, and this version isn't selected
                   2021:            if ($allow_version_select) {
                   2022:                if ((!defined($input{"r1"}) || $input{"r1"} ne $_)) {
                   2023:                    print " - <A HREF=\"${scriptwhere}?r1=$_$barequery" .
                   2024:                        "\">[select for diffs]</A>\n";
                   2025:                }
                   2026:                else {
                   2027:                    print " - <b>[selected]</b>";
                   2028:                }
                   2029:            }
                   2030:        }
                   2031:        else {
                   2032:            print "Revision <B>$_</B>";
                   2033:        }
                   2034:        if (/^1\.1\.1\.\d+$/) {
                   2035:            print " <i>(vendor branch)</i>";
                   2036:        }
                   2037:        if (defined @mytz) {
                   2038:            my ($est) = $mytz[(localtime($date{$_}))[8]];
                   2039:            print ", <i>" . scalar localtime($date{$_}) . " $est</i> (";
                   2040:        } else {
                   2041:            print ", <i>" . scalar gmtime($date{$_}) . " UTC</i> (";
                   2042:        }
                   2043:        print readableTime(time() - $date{$_},1) . " ago)";
                   2044:        print " by ";
                   2045:        print "<i>" . $author{$_} . "</i>\n";
                   2046:        print "<BR>Branch: <b>",$link?link_tags($revsym{$br}):$revsym{$br},"</b>\n"
                   2047:            if ($revsym{$br});
                   2048:        print "<BR>CVS Tags: <b>",$link?link_tags($revsym{$_}):$revsym{$_},"</b>"
                   2049:            if ($revsym{$_});
                   2050:        print "<BR>Branch point for: <b>",$link?link_tags($branchpoint{$_}):$branchpoint{$_},"</b>\n"
                   2051:            if ($branchpoint{$_});
                   2052:        # Find the previous revision
                   2053:        my @prevrev = split(/\./, $_);
                   2054:        do {
                   2055:            if (--$prevrev[$#prevrev] <= 0) {
1.1       jfieber  2056:                # If it was X.Y.Z.1, just make it X.Y
1.1.1.1   knu      2057:                pop(@prevrev);
                   2058:                pop(@prevrev);
                   2059:            }
                   2060:            $prev = join(".", @prevrev);
                   2061:        } until (defined($date{$prev}) || $prev eq "");
                   2062:        if ($prev ne "") {
                   2063:            if ($difflines{$_}) {
                   2064:                print "<BR>Changes since <b>$prev: $difflines{$_} lines</b>";
                   2065:            }
                   2066:        }
                   2067:        if ($isDead) {
                   2068:            print "<BR><B><I>FILE REMOVED</I></B>\n";
                   2069:        }
                   2070:        elsif ($link) {
                   2071:            my %diffrev = ();
                   2072:            $diffrev{$_} = 1;
                   2073:            $diffrev{""} = 1;
                   2074:            print "<BR>Diff";
                   2075:            #
                   2076:            # Offer diff to previous revision
                   2077:            if ($prev) {
                   2078:                $diffrev{$prev} = 1;
                   2079:                print " to previous <A HREF=\"${scriptwhere}.diff?r1=$prev";
                   2080:                print "&amp;r2=$_" . $barequery . "\">$prev</A>\n";
                   2081:                if (!$hr_default) { # offer a human readable version if not default
                   2082:                    print "(<A HREF=\"${scriptwhere}.diff?r1=$prev";
                   2083:                    print "&amp;r2=$_" . $barequery . "&amp;f=h\">colored</A>)\n";
1.1       jfieber  2084:                }
                   2085:            }
1.1.1.1   knu      2086:            #
                   2087:            # Plus, if it's on a branch, and it's not a vendor branch,
                   2088:            # offer a diff with the branch point.
                   2089:            if ($revsym{$brp} && !/^1\.1\.1\.\d+$/ && !defined($diffrev{$brp})) {
                   2090:                print " to branchpoint <A HREF=\"${scriptwhere}.diff?r1=$brp";
                   2091:                print "&amp;r2=$_" . $barequery . "\">$brp</A>\n";
                   2092:                if (!$hr_default) { # offer a human readable version if not default
                   2093:                print "(<A HREF=\"${scriptwhere}.diff?r1=$brp";
                   2094:                print "&amp;r2=$_" . $barequery . "&amp;f=h\">colored</A>)\n";
                   2095:                }
                   2096:            }
                   2097:            #
                   2098:            # Plus, if it's on a branch, and it's not a vendor branch,
                   2099:            # offer to diff with the next revision of the higher branch.
                   2100:            # (e.g. change gets committed and then brought
                   2101:            # over to -stable)
                   2102:            if (/^\d+\.\d+\.\d+/ && !/^1\.1\.1\.\d+$/) {
                   2103:                my ($i,$nextmain);
                   2104:                for ($i = 0; $i < $#revorder && $revorder[$i] ne $_; $i++){}
                   2105:                my (@tmp2) = split(/\./, $_);
                   2106:                for ($nextmain = ""; $i > 0; $i--) {
                   2107:                    my ($next) = $revorder[$i-1];
                   2108:                    my (@tmp1) = split(/\./, $next);
1.1       jfieber  2109:                    if ($#tmp1 < $#tmp2) {
1.1.1.1   knu      2110:                        $nextmain = $next;
                   2111:                        last;
1.1       jfieber  2112:                    }
1.1.1.1   knu      2113:                    # Only the highest version on a branch should have
                   2114:                    # a diff for the "next main".
                   2115:                    last if (join(".",@tmp1[0..$#tmp1-1])
                   2116:                             eq join(".",@tmp2[0..$#tmp1-1]));
                   2117:                }
                   2118:                if (!defined($diffrev{$nextmain})) {
                   2119:                    $diffrev{$nextmain} = 1;
                   2120:                    print " next main <A HREF=\"${scriptwhere}.diff?r1=$nextmain";
                   2121:                    print "&amp;r2=$_" . $barequery .
                   2122:                        "\">$nextmain</A>\n";
                   2123:                    if (!$hr_default) { # offer a human readable version if not default
                   2124:                        print "(<A HREF=\"${scriptwhere}.diff?r1=$nextmain";
                   2125:                        print "&amp;r2=$_" . $barequery .
                   2126:                            "&amp;f=h\">colored</A>)\n";
                   2127:                    }
                   2128:                }
                   2129:            }
                   2130:            # Plus if user has selected only r1, then present a link
                   2131:            # to make a diff to that revision
                   2132:            if (defined($input{"r1"}) && !defined($diffrev{$input{"r1"}})) {
                   2133:                $diffrev{$input{"r1"}} = 1;
                   2134:                print " to selected <A HREF=\"${scriptwhere}.diff?"
                   2135:                        . "r1=$input{'r1'}&amp;r2=$_" . $barequery
                   2136:                        . "\">$input{'r1'}</A>\n";
                   2137:                if (!$hr_default) { # offer a human readable version if not default
                   2138:                    print "(<A HREF=\"${scriptwhere}.diff?r1=$input{'r1'}";
                   2139:                    print "&amp;r2=$_" . $barequery .
                   2140:                        "&amp;f=h\">colored</A>)\n";
                   2141:
1.1       jfieber  2142:                }
                   2143:            }
                   2144:        }
1.1.1.1   knu      2145:        print "<PRE>\n";
                   2146:        print &htmlify($log{$_}, 1);
                   2147:        print "</PRE>\n";
                   2148: }
                   2149:
1.1.1.2   knu      2150: sub doLog($) {
1.1.1.1   knu      2151:        my($fullname) = @_;
                   2152:        my ($diffrev, $upwhere, $filename, $backurl);
1.1.1.2   knu      2153:
1.1.1.1   knu      2154:        readLog($fullname);
                   2155:
                   2156:         html_header("CVS log for $where");
                   2157:        ($upwhere = $where) =~ s|(Attic/)?[^/]+$||;
                   2158:         ($filename = $where) =~ s|^.*/||;
                   2159:         $backurl = $scriptname . "/" . urlencode($upwhere) . $query;
                   2160:        print &link($backicon, "$backurl#$filename"),
                   2161:               " <b>Up to ", &clickablePath($upwhere, 1), "</b><p>\n";
                   2162:        print <<EOF;
                   2163: <A HREF="#diff">Request diff between arbitrary revisions</A>
                   2164: <HR NOSHADE>
                   2165: EOF
                   2166:        if ($curbranch) {
                   2167:            print "Default branch: ", ($revsym{$curbranch} || $curbranch);
                   2168:        }
                   2169:        else {
                   2170:            print "No default branch";
                   2171:        }
                   2172:        print "<BR>\n";
                   2173:        if ($input{only_with_tag}) {
                   2174:            print "Current tag: $input{only_with_tag}<BR>\n";
                   2175:        }
                   2176:
                   2177:        undef %nameprinted;
                   2178:
                   2179:        for (my $i = 0; $i <= $#revdisplayorder; $i++) {
                   2180:            print "<HR size=1 NOSHADE>";
                   2181:            printLog($revdisplayorder[$i]);
                   2182:        }
                   2183:
                   2184:         print "<HR NOSHADE>";
1.1       jfieber  2185:        print "<A NAME=diff>\n";
                   2186:        print "This form allows you to request diff's between any two\n";
                   2187:        print "revisions of a file.  You may select a symbolic revision\n";
                   2188:        print "name using the selection box or you may type in a numeric\n";
                   2189:        print "name using the type-in text box.\n";
                   2190:        print "</A><P>\n";
1.1.1.1   knu      2191:        print "<FORM METHOD=\"GET\" ACTION=\"${scriptwhere}.diff\" NAME=\"diff_select\">\n";
                   2192:         foreach (@stickyvars) {
                   2193:            print "<INPUT TYPE=HIDDEN NAME=\"$_\" VALUE=\"$input{$_}\">\n"
                   2194:                if (defined($input{$_})
1.1.1.6 ! knu      2195:                    && ((!defined($DEFAULTVALUE{$_})
        !          2196:                         || $input{$_} ne $DEFAULTVALUE{$_})
        !          2197:                        && $input{$_} ne ""));
1.1.1.1   knu      2198:        }
1.1.1.6 ! knu      2199:        print "<TABLE><TR>\n";
        !          2200:        print "<TD align=right>Diffs between \n";
1.1       jfieber  2201:        print "<SELECT NAME=\"r1\">\n";
                   2202:        print "<OPTION VALUE=\"text\" SELECTED>Use Text Field\n";
                   2203:        print $sel;
                   2204:        print "</SELECT>\n";
1.1.1.1   knu      2205:        $diffrev = $revdisplayorder[$#revdisplayorder];
                   2206:        $diffrev = $input{"r1"} if (defined($input{"r1"}));
1.1.1.6 ! knu      2207:        print "<INPUT TYPE=\"TEXT\" SIZE=\"$inputTextSize\" NAME=\"tr1\" VALUE=\"$diffrev\" onChange='document.diff_select.r1.selectedIndex=0'></TD>";
        !          2208:        print "<TD><BR></TD></TR>\n";
        !          2209:        print "<TR><TD align=right>and \n";
1.1       jfieber  2210:        print "<SELECT NAME=\"r2\">\n";
                   2211:        print "<OPTION VALUE=\"text\" SELECTED>Use Text Field\n";
                   2212:        print $sel;
                   2213:        print "</SELECT>\n";
1.1.1.1   knu      2214:        $diffrev = $revdisplayorder[0];
                   2215:        $diffrev = $input{"r2"} if (defined($input{"r2"}));
1.1.1.6 ! knu      2216:        print "<INPUT TYPE=\"TEXT\" SIZE=\"$inputTextSize\" NAME=\"tr2\" VALUE=\"$diffrev\" onChange='document.diff_select.r2.selectedIndex=0'></TD>";
        !          2217:        print "<TD><INPUT TYPE=SUBMIT VALUE=\"  Get Diffs  \"></TD>\n";
1.1.1.1   knu      2218:        print "</FORM>\n";
1.1.1.6 ! knu      2219:        print "</TR></TABLE>\n";
1.1.1.1   knu      2220:        print "<HR noshade>\n";
1.1.1.6 ! knu      2221:        print "<TABLE>";
        !          2222:        print "<FORM METHOD=\"GET\" ACTION=\"$scriptwhere\">\n";
        !          2223:         print "<TR><TD align=right>Preferred Diff type:</TD>";
        !          2224:         print "<TD>";
        !          2225:        printDiffSelect($use_java_script);
        !          2226:        print "</TD><TD></TD></TR>\n";
1.1.1.1   knu      2227:         if (@branchnames) {
1.1.1.6 ! knu      2228:            print "<TR><TD align=right>View only Branch:</TD>";
        !          2229:            print "<TD>";
1.1.1.1   knu      2230:            print "<A name=branch></A>\n";
                   2231:            print "<SELECT NAME=\"only_with_tag\"";
                   2232:            print " onchange=\"submit()\"" if ($use_java_script);
                   2233:            print ">\n";
                   2234:            print "<OPTION VALUE=\"\"";
                   2235:            print " SELECTED" if (defined($input{"only_with_tag"}) &&
                   2236:                $input{"only_with_tag"} eq "");
                   2237:            print ">Show all branches\n";
                   2238:            foreach (reverse sort @branchnames) {
                   2239:                print "<OPTION";
                   2240:                print " SELECTED" if (defined($input{"only_with_tag"})
                   2241:                        && $input{"only_with_tag"} eq $_);
                   2242:                print ">${_}\n";
                   2243:            }
1.1.1.6 ! knu      2244:            print "</SELECT></TD><TD></TD></TR>\n";
1.1.1.1   knu      2245:        }
                   2246:        foreach (@stickyvars) {
1.1.1.6 ! knu      2247:            next if ($_ eq "f");
1.1.1.1   knu      2248:            next if ($_ eq "only_with_tag");
                   2249:            next if ($_ eq "logsort");
                   2250:            print "<INPUT TYPE=HIDDEN NAME=\"$_\" VALUE=\"$input{$_}\">\n"
1.1.1.6 ! knu      2251:                if (defined($input{$_})
        !          2252:                    && (!defined($DEFAULTVALUE{$_})
        !          2253:                        || $input{$_} ne $DEFAULTVALUE{$_})
1.1.1.1   knu      2254:                    && $input{$_} ne "");
                   2255:        }
1.1.1.6 ! knu      2256:        print "<TR><TD align=right>";
        !          2257:        print "<A name=logsort></A>\n";
        !          2258:        print "Sort log by:</TD>";
        !          2259:        print "<TD><SELECT NAME=\"logsort\"";
1.1.1.1   knu      2260:        print " onchange=\"submit()\"" if ($use_java_script);
                   2261:        print ">\n";
                   2262:        print "<OPTION VALUE=cvs",$logsort eq "cvs" ? " SELECTED" : "", ">Not sorted";
                   2263:        print "<OPTION VALUE=date",$logsort eq "date" ? " SELECTED" : "", ">Commit date";
                   2264:        print "<OPTION VALUE=rev",$logsort eq "rev" ? " SELECTED" : "", ">Revision";
1.1.1.6 ! knu      2265:        print "</SELECT></TD>";
        !          2266:        print "<TD><INPUT TYPE=SUBMIT VALUE=\"  Set  \"></TD>";
1.1       jfieber  2267:        print "</FORM>\n";
1.1.1.6 ! knu      2268:        print "</TR></TABLE>";
1.1.1.1   knu      2269:         print &html_footer;
1.1       jfieber  2270:        print "</BODY></HTML>\n";
                   2271: }
                   2272:
1.1.1.2   knu      2273: sub flush_diff_rows($$$$) {
1.1.1.1   knu      2274:     my $j;
                   2275:     my ($leftColRef,$rightColRef,$leftRow,$rightRow) = @_;
                   2276:     if ($state eq "PreChangeRemove") {          # we just got remove-lines before
                   2277:       for ($j = 0 ; $j < $leftRow; $j++) {
                   2278:           print  "<tr><td bgcolor=\"$diffcolorRemove\">@$leftColRef[$j]</td>";
                   2279:           print  "<td bgcolor=\"$diffcolorEmpty\">&nbsp;</td></tr>\n";
                   2280:       }
                   2281:     }
                   2282:     elsif ($state eq "PreChange") {             # state eq "PreChange"
                   2283:       # we got removes with subsequent adds
                   2284:       for ($j = 0; $j < $leftRow || $j < $rightRow ; $j++) {  # dump out both cols
                   2285:           print  "<tr>";
                   2286:           if ($j < $leftRow) {
                   2287:              print  "<td bgcolor=\"$diffcolorChange\">@$leftColRef[$j]</td>";
                   2288:          }
                   2289:           else {
                   2290:              print  "<td bgcolor=\"$diffcolorDarkChange\">&nbsp;</td>";
                   2291:          }
                   2292:           if ($j < $rightRow) {
                   2293:              print  "<td bgcolor=\"$diffcolorChange\">@$rightColRef[$j]</td>";
                   2294:          }
                   2295:           else {
                   2296:              print  "<td bgcolor=\"$diffcolorDarkChange\">&nbsp;</td>";
                   2297:          }
                   2298:           print  "</tr>\n";
                   2299:       }
                   2300:     }
                   2301: }
1.1       jfieber  2302:
1.1.1.1   knu      2303: ##
                   2304: # Function to generate Human readable diff-files
                   2305: # human_readable_diff(String revision_to_return_to);
                   2306: ##
                   2307: sub human_readable_diff($){
1.1.1.6 ! knu      2308:   my ($difftxt, $where_nd, $filename, $pathname, $scriptwhere_nd);
1.1.1.1   knu      2309:   my ($fh, $rev) = @_;
                   2310:   my ($date1, $date2, $r1d, $r2d, $r1r, $r2r, $rev1, $rev2, $sym1, $sym2);
                   2311:   my (@rightCol, @leftCol);
                   2312:
                   2313:   ($where_nd = $where) =~ s/.diff$//;
                   2314:   ($filename = $where_nd) =~ s/^.*\///;
                   2315:   ($pathname = $where_nd) =~ s/(Attic\/)?[^\/]*$//;
                   2316:   ($scriptwhere_nd = $scriptwhere) =~ s/.diff$//;
                   2317:
1.1.1.2   knu      2318:   navigateHeader($scriptwhere_nd, $pathname, $filename, $rev, "diff");
1.1       jfieber  2319:
1.1.1.1   knu      2320:   # Read header to pick up read revision and date, if possible
                   2321:   while (<$fh>) {
                   2322:       ($r1d,$r1r) = /\t(.*)\t(.*)$/ if (/^--- /);
                   2323:       ($r2d,$r2r) = /\t(.*)\t(.*)$/ if (/^\+\+\+ /);
                   2324:       last if (/^\+\+\+ /);
                   2325:   }
                   2326:   if (defined($r1r) && $r1r =~ /^(\d+\.)+\d+$/) {
                   2327:     $rev1 = $r1r;
                   2328:     $date1 = $r1d;
                   2329:   }
                   2330:   if (defined($r2r) && $r2r =~ /^(\d+\.)+\d+$/) {
                   2331:     $rev2 = $r2r;
                   2332:     $date2 = $r2d;
                   2333:   }
1.1.1.2   knu      2334:
1.1.1.1   knu      2335:   print "<h3 align=center>Diff for /$where_nd between version $rev1 and $rev2</h3>\n";
                   2336:
                   2337:   print "<table border=0 cellspacing=0 cellpadding=0 width=\"100%\">\n";
                   2338:   print "<tr bgcolor=\"#ffffff\">\n";
                   2339:   print "<th width=\"50%\" valign=TOP>";
                   2340:   print "version $rev1";
                   2341:   print ", $date1" if (defined($date1));
                   2342:   print "<br>Tag: $sym1\n" if ($sym1);
                   2343:   print "</th>\n";
                   2344:   print "<th width=\"50%\" valign=TOP>";
                   2345:   print "version $rev2";
                   2346:   print ", $date2" if (defined($date2));
                   2347:   print "<br>Tag: $sym2\n" if ($sym1);
                   2348:   print "</th>\n";
                   2349:
                   2350:   my $fs = "<font face=\"$difffontface\" size=\"$difffontsize\">";
                   2351:   my $fe = "</font>";
                   2352:
                   2353:   my $leftRow = 0;
                   2354:   my $rightRow = 0;
                   2355:   my ($oldline, $newline, $funname, $diffcode, $rest);
                   2356:
                   2357:   # Process diff text
                   2358:   # The diffrows are could make excellent use of
                   2359:   # cascading style sheets because we've to set the
                   2360:   # font and color for each row. anyone ...?
                   2361:   ####
1.1.1.6 ! knu      2362:
        !          2363:   # prefetch several lines
        !          2364:   my @buf = head($fh);
        !          2365:
        !          2366:   my %d = scan_directives(@buf);
        !          2367:
        !          2368:   while (@buf || !eof($fh)) {
        !          2369:       $difftxt = @buf ? shift @buf : <$fh>;
1.1.1.2   knu      2370:
1.1.1.1   knu      2371:       if ($difftxt =~ /^@@/) {
                   2372:          ($oldline,$newline,$funname) = $difftxt =~ /@@ \-([0-9]+).*\+([0-9]+).*@@(.*)/;
                   2373:           print  "<tr bgcolor=\"$diffcolorHeading\"><td width=\"50%\">";
                   2374:          print  "<table width=\"100%\" border=1 cellpadding=5><tr><td><b>Line $oldline</b>";
                   2375:          print  "&nbsp;<font size=-1>$funname</font></td></tr></table>";
                   2376:           print  "</td><td width=\"50%\">";
                   2377:          print  "<table width=\"100%\" border=1 cellpadding=5><tr><td><b>Line $newline</b>";
                   2378:          print  "&nbsp;<font size=-1>$funname</font></td></tr></table>";
                   2379:          print  "</td>\n";
                   2380:          $state = "dump";
                   2381:          $leftRow = 0;
                   2382:          $rightRow = 0;
                   2383:       }
                   2384:       else {
                   2385:          ($diffcode,$rest) = $difftxt =~ /^([-+ ])(.*)/;
1.1.1.6 ! knu      2386:          $_ = spacedHtmlText($rest, $d{'tabstop'});
1.1.1.1   knu      2387:
                   2388:          # Add fontface, size
                   2389:          $_ = "$fs&nbsp;$_$fe";
1.1.1.2   knu      2390:
1.1.1.1   knu      2391:          #########
                   2392:          # little state machine to parse unified-diff output (Hen, zeller@think.de)
                   2393:          # in order to get some nice 'ediff'-mode output
                   2394:          # states:
                   2395:          #  "dump"             - just dump the value
                   2396:          #  "PreChangeRemove"  - we began with '-' .. so this could be the start of a 'change' area or just remove
                   2397:          #  "PreChange"        - okey, we got several '-' lines and moved to '+' lines -> this is a change block
                   2398:          ##########
                   2399:
                   2400:          if ($diffcode eq '+') {
                   2401:              if ($state eq "dump") {  # 'change' never begins with '+': just dump out value
                   2402:                  print  "<tr><td bgcolor=\"$diffcolorEmpty\">&nbsp;</td><td bgcolor=\"$diffcolorAdd\">$_</td></tr>\n";
                   2403:              }
                   2404:              else {                   # we got minus before
                   2405:                  $state = "PreChange";
                   2406:                  $rightCol[$rightRow++] = $_;
                   2407:              }
1.1.1.2   knu      2408:          }
1.1.1.1   knu      2409:          elsif ($diffcode eq '-') {
                   2410:              $state = "PreChangeRemove";
                   2411:              $leftCol[$leftRow++] = $_;
                   2412:         }
                   2413:         else {  # empty diffcode
                   2414:             flush_diff_rows \@leftCol, \@rightCol, $leftRow, $rightRow;
                   2415:              print  "<tr><td>$_</td><td>$_</td></tr>\n";
                   2416:              $state = "dump";
                   2417:              $leftRow = 0;
                   2418:              $rightRow = 0;
                   2419:          }
                   2420:       }
                   2421:   }
                   2422:   flush_diff_rows \@leftCol, \@rightCol, $leftRow, $rightRow;
                   2423:
                   2424:   # state is empty if we didn't have any change
                   2425:   if (!$state) {
                   2426:       print "<tr><td colspan=2>&nbsp;</td></tr>";
                   2427:       print "<tr bgcolor=\"$diffcolorEmpty\" >";
                   2428:       print "<td colspan=2 align=center><b>- No viewable Change -</b></td></tr>";
                   2429:   }
                   2430:   print  "</table>";
                   2431:   close($fh);
                   2432:
                   2433:   print "<br><hr noshade width=\"100%\">\n";
                   2434:
                   2435:   print "<table border=0>";
                   2436:
                   2437:   print "<tr><td>";
                   2438:   # print legend
                   2439:   print "<table border=1><tr><td>";
                   2440:   print  "Legend:<br><table border=0 cellspacing=0 cellpadding=1>\n";
                   2441:   print  "<tr><td align=center bgcolor=\"$diffcolorRemove\">Removed from v.$rev1</td><td bgcolor=\"$diffcolorEmpty\">&nbsp;</td></tr>";
                   2442:   print  "<tr bgcolor=\"$diffcolorChange\"><td align=center colspan=2>changed lines</td></tr>";
                   2443:   print  "<tr><td bgcolor=\"$diffcolorEmpty\">&nbsp;</td><td align=center bgcolor=\"$diffcolorAdd\">Added in v.$rev2</td></tr>";
                   2444:   print  "</table></td></tr></table>\n";
                   2445:
                   2446:   print "<td>";
                   2447:   # Print format selector
                   2448:   print "<FORM METHOD=\"GET\" ACTION=\"${scriptwhere}\">\n";
                   2449:   foreach my $var (keys %input) {
                   2450:     next if ($var eq "f");
                   2451:     next if (defined($DEFAULTVALUE{$var})
                   2452:             && $DEFAULTVALUE{$var} eq $input{$var});
                   2453:     print "<INPUT TYPE=HIDDEN NAME=\"",urlencode($var),"\" VALUE=\"",
                   2454:            urlencode($input{$var}),"\">\n";
                   2455:   }
                   2456:   printDiffSelect($use_java_script);
                   2457:   print "<INPUT TYPE=SUBMIT VALUE=\"Show\">\n";
                   2458:   print "</FORM>\n";
                   2459:   print "</td>";
                   2460:
                   2461:   print "</tr></table>";
1.1       jfieber  2462: }
                   2463:
1.1.1.2   knu      2464: sub navigateHeader($$$$$) {
1.1.1.1   knu      2465:     my ($swhere,$path,$filename,$rev,$title) = @_;
                   2466:     $swhere = "" if ($swhere eq $scriptwhere);
                   2467:     $swhere = urlencode($filename) if ($swhere eq "");
                   2468:     print "<\!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.0 Transitional//EN\">";
                   2469:     print "<HTML>\n<HEAD>\n";
1.1.1.6 ! knu      2470:     print '<!-- CVSweb $zRevision: 1.101 $  $kRevision: 1.24 $ -->';
1.1.1.1   knu      2471:     print "\n<TITLE>$path$filename - $title - $rev</TITLE></HEAD>\n";
                   2472:     print  "<BODY BGCOLOR=\"$backcolor\">\n";
                   2473:     print "<table width=\"100%\" border=0 cellspacing=0 cellpadding=1 bgcolor=\"$navigationHeaderColor\">";
                   2474:     print "<tr valign=bottom><td>";
                   2475:     print  "<a href=\"$swhere$query#rev$rev\">$backicon";
                   2476:     print "</a> <b>Return to ", &link("$filename","$swhere$query#rev$rev")," CVS log";
                   2477:     print "</b> $fileicon</td>";
1.1.1.2   knu      2478:
1.1.1.1   knu      2479:     print "<td align=right>$diricon <b>Up to ", &clickablePath($path, 1), "</b></td>";
                   2480:     print "</tr></table>";
                   2481: }
1.1       jfieber  2482:
1.1.1.2   knu      2483: sub plural_write($$) {
1.1.1.1   knu      2484:     my ($num,$text) = @_;
                   2485:     if ($num != 1) {
                   2486:        $text = $text . "s";
                   2487:     }
                   2488:     if ($num > 0) {
                   2489:        return $num . " " . $text;
                   2490:     }
                   2491:     else {
                   2492:        return "";
                   2493:     }
1.1       jfieber  2494: }
                   2495:
1.1.1.1   knu      2496: ##
                   2497: # print readable timestamp in terms of
                   2498: # '..time ago'
                   2499: # H. Zeller <zeller@think.de>
                   2500: ##
1.1.1.2   knu      2501: sub readableTime($$) {
1.1.1.1   knu      2502:     my ($i, $break, $retval);
                   2503:     my ($secs,$long) = @_;
1.1       jfieber  2504:
1.1.1.1   knu      2505:     # this function works correct for time >= 2 seconds
                   2506:     if ($secs < 2) {
                   2507:        return "very little time";
                   2508:     }
                   2509:
                   2510:     my %desc = (1 , 'second',
                   2511:                   60, 'minute',
                   2512:                   3600, 'hour',
                   2513:                   86400, 'day',
                   2514:                   604800, 'week',
                   2515:                   2628000, 'month',
                   2516:                   31536000, 'year');
                   2517:     my @breaks = sort {$a <=> $b} keys %desc;
                   2518:     $i = 0;
1.1.1.2   knu      2519:     while ($i <= $#breaks && $secs >= 2 * $breaks[$i]) {
1.1.1.1   knu      2520:        $i++;
                   2521:     }
                   2522:     $i--;
                   2523:     $break = $breaks[$i];
                   2524:     $retval = plural_write(int ($secs / $break), $desc{$break});
                   2525:
                   2526:     if ($long == 1 && $i > 0) {
                   2527:        my $rest = $secs % $break;
                   2528:        $i--;
                   2529:        $break = $breaks[$i];
1.1.1.2   knu      2530:        my $resttime = plural_write(int ($rest / $break),
1.1.1.1   knu      2531:                                $desc{$break});
                   2532:        if ($resttime) {
                   2533:            $retval = $retval . ", " . $resttime;
                   2534:        }
                   2535:     }
                   2536:
                   2537:     return $retval;
                   2538: }
                   2539:
                   2540: ##
                   2541: # clickablePath(String pathname, boolean last_item_clickable)
                   2542: #
                   2543: # returns a html-ified path whereas each directory is a link for
                   2544: # faster navigation. last_item_clickable controls whether the
                   2545: # basename (last directory/file) is a link as well
                   2546: ##
                   2547: sub clickablePath($$) {
1.1.1.2   knu      2548:     my ($pathname,$clickLast) = @_;
1.1.1.1   knu      2549:     my $retval = '';
1.1.1.2   knu      2550:
1.1.1.1   knu      2551:     if ($pathname eq '/') {
                   2552:        # this should never happen - chooseCVSRoot() is
                   2553:        # intended to do this
                   2554:        $retval = "[$cvstree]";
                   2555:     }
                   2556:     else {
                   2557:        $retval = $retval . " <a href=\"${scriptname}/${query}#dirlist\">[$cvstree]</a>";
                   2558:        my $wherepath = '';
                   2559:        my ($lastslash) = $pathname =~ m|/$|;
                   2560:        foreach (split(/\//, $pathname)) {
                   2561:            $retval = $retval . " / ";
                   2562:            $wherepath = $wherepath . '/' . $_;
                   2563:            my ($last) = "$wherepath/" eq "/$pathname"
                   2564:                || $wherepath eq "/$pathname";
                   2565:            if ($clickLast || !$last) {
                   2566:                $retval = $retval . "<a href=\"${scriptname}"
                   2567:                    . urlencode($wherepath)
                   2568:                    . (!$last || $lastslash ? '/' : '')
                   2569:                    . ${query}
                   2570:                    . (!$last || $lastslash ? "#dirlist" : "")
                   2571:                    . "\">$_</a>";
                   2572:            }
                   2573:            else { # do not make a link to the current dir
                   2574:                $retval = $retval .  $_;
1.1       jfieber  2575:            }
                   2576:        }
1.1.1.1   knu      2577:     }
                   2578:     return $retval;
1.1       jfieber  2579: }
                   2580:
1.1.1.1   knu      2581: sub chooseCVSRoot() {
                   2582:     my @foo;
                   2583:     foreach (sort keys %CVSROOT) {
                   2584:        if (-d $CVSROOT{$_}) {
                   2585:            push(@foo, $_);
                   2586:        }
                   2587:     }
                   2588:     if (@foo > 1) {
                   2589:        my ($k);
                   2590:        print "<form method=\"GET\" action=\"${scriptwhere}\">\n";
                   2591:        foreach $k (keys %input) {
1.1.1.2   knu      2592:            print "<input type=hidden NAME=$k VALUE=$input{$k}>\n"
1.1.1.1   knu      2593:                if ($input{$k}) && ($k ne "cvsroot");
                   2594:        }
                   2595:        # Form-Elements look wierd in Netscape if the background
                   2596:        # isn't gray and the form elements are not placed
                   2597:        # within a table ...
                   2598:        print "<table><tr>";
                   2599:        print "<td>CVS Root:</td>";
                   2600:        print "<td>\n<select name=\"cvsroot\"";
                   2601:        print " onchange=\"submit()\"" if ($use_java_script);
                   2602:        print ">\n";
                   2603:        foreach $k (@foo) {
                   2604:            print "<option value=\"$k\"";
                   2605:            print " selected" if ($k eq $cvstree);
                   2606:            print ">" . ($CVSROOTdescr{$k} ? $CVSROOTdescr{$k} :
                   2607:                        $k). "</option>\n";
                   2608:        }
                   2609:        print "</select>\n</td>";
                   2610:        print "<td><input type=submit value=\"Go\"></td>";
                   2611:        print "</tr></table></form>";
                   2612:     }
                   2613:     else {
                   2614:        # no choice ..
                   2615:        print "CVS Root: <b>[$cvstree]</b>";
                   2616:     }
                   2617: }
                   2618:
                   2619: sub chooseMirror() {
                   2620:     my ($mirror,$moremirrors);
                   2621:     $moremirrors = 0;
                   2622:     # This code comes from the original BSD-cvsweb
                   2623:     # and may not be useful for your site; If you don't
                   2624:     # set %MIRRORS this won't show up, anyway
                   2625:     #
1.1.1.2   knu      2626:     # Should perhaps exlude the current site somehow..
1.1.1.1   knu      2627:     if (keys %MIRRORS) {
                   2628:        print "\nThis cvsweb is mirrored in:\n";
                   2629:        foreach $mirror (keys %MIRRORS) {
                   2630:            print ", " if ($moremirrors);
                   2631:            print qq(<a href="$MIRRORS{$mirror}">$mirror</A>\n);
                   2632:            $moremirrors = 1;
                   2633:        }
                   2634:        print "<p>\n";
                   2635:     }
                   2636: }
                   2637:
1.1.1.2   knu      2638: sub fileSortCmp() {
1.1.1.1   knu      2639:     my ($comp) = 0;
                   2640:     my ($c,$d,$af,$bf);
                   2641:
                   2642:     ($af = $a) =~ s/,v$//;
                   2643:     ($bf = $b) =~ s/,v$//;
                   2644:     my ($rev1,$date1,$log1,$author1,$filename1) = @{$fileinfo{$af}}
                   2645:         if (defined($fileinfo{$af}));
                   2646:     my ($rev2,$date2,$log2,$author2,$filename2) = @{$fileinfo{$bf}}
                   2647:         if (defined($fileinfo{$bf}));
                   2648:
                   2649:     if (defined($filename1) && defined($filename2) && $af eq $filename1 && $bf eq $filename2) {
                   2650:        # Two files
                   2651:        $comp = -revcmp($rev1, $rev2) if ($byrev && $rev1 && $rev2);
                   2652:        $comp = ($date2 <=> $date1) if ($bydate && $date1 && $date2);
                   2653:        $comp = ($log1 cmp $log2) if ($bylog && $log1 && $log2);
                   2654:        $comp = ($author1 cmp $author2) if ($byauthor && $author1 && $author2);
                   2655:     }
                   2656:     if ($comp == 0) {
                   2657:        # Directories first, then sorted on name if no other sort critera
                   2658:        # available.
                   2659:        my $ad = ((-d "$fullname/$a")?"D":"F");
                   2660:        my $bd = ((-d "$fullname/$b")?"D":"F");
                   2661:        ($c=$a) =~ s|.*/||;
                   2662:        ($d=$b) =~ s|.*/||;
                   2663:        $comp = ("$ad$c" cmp "$bd$d");
                   2664:     }
                   2665:     return $comp;
                   2666: }
                   2667:
                   2668: # make A url for downloading
1.1.1.2   knu      2669: sub download_url($$;$) {
1.1.1.1   knu      2670:     my ($url,$revision,$mimetype) = @_;
                   2671:
                   2672:     $revision =~ s/\b0\.//;
                   2673:
                   2674:     if (defined($checkout_magic)
                   2675:        && (!defined($mimetype) || $mimetype ne "text/x-cvsweb-markup")) {
                   2676:        my ($path);
                   2677:        ($path = $where) =~ s|/[^/]*$|/|;
                   2678:        $url = "$scriptname/$checkoutMagic/${path}$url";
                   2679:     }
                   2680:     $url .= "?rev=$revision";
                   2681:     $url .= "&amp;content-type=$mimetype" if (defined($mimetype));
                   2682:
                   2683:     return $url;
                   2684: }
                   2685:
1.1.1.2   knu      2686: # Presents a link to download the
1.1.1.1   knu      2687: # selected revision
1.1.1.2   knu      2688: sub download_link($$$;$) {
1.1.1.1   knu      2689:     my ($url,$revision,$textlink,$mimetype) = @_;
                   2690:     my ($fullurl) = download_url($url,$revision,$mimetype);
                   2691:     my ($paren) = $textlink =~ /^\(/;
                   2692:     $textlink =~ s/^\(// if ($paren);
                   2693:     $textlink =~ s/\)$// if ($paren);
                   2694:     print "(" if ($paren);
                   2695:     print "<A HREF=\"$fullurl";
                   2696:     print $barequery;
                   2697:     print "\"";
                   2698:     if ($open_extern_window && (!defined($mimetype) || $mimetype ne "text/x-cvsweb-markup")) {
                   2699:        print " target=\"cvs_checkout\"";
                   2700:        # we should have
                   2701:        #   'if (document.cvswin==null) document.cvswin=window.open(...'
                   2702:        # in order to allow the user to resize the window; otherwise
                   2703:        # the user may resize the window, but on next checkout - zap -
                   2704:        # its original (configured s. cvsweb.conf) size is back again
                   2705:        # .. annoying (if $extern_window_(width|height) is defined)
                   2706:        # but this if (..) solution is far from perfect
                   2707:        # what we need to do as well is
                   2708:        # 1) save cvswin in an invisible frame that always exists
                   2709:        #    (document.cvswin will be void on next load)
                   2710:        # 2) on close of the cvs_checkout - window set the cvswin
                   2711:        #    variable to 'null' again - so that it will be
                   2712:        #    reopenend with the configured size
                   2713:        # anyone a JavaScript programmer ?
                   2714:        # .. so here without if (..):
                   2715:        # currently, the best way is to comment out the size parameters
                   2716:        # ($extern_window...) in cvsweb.conf.
                   2717:        if ($use_java_script) {
                   2718:            print " onClick=\"window.open('$fullurl','cvs_checkout',";
                   2719:            print "'resizeable,scrollbars";
                   2720:            print ",status,toolbar" if (defined($mimetype)
                   2721:                && $mimetype eq "text/html");
                   2722:            print ",width=$extern_window_width" if (defined($extern_window_width));
                   2723:            print ",height=$extern_window_height" if (defined($extern_window_height));
                   2724:            print"');\"";
                   2725:        }
                   2726:     }
                   2727:     print "><b>$textlink</b></A>";
                   2728:     print ")" if ($paren);
                   2729: }
                   2730:
                   2731: # Returns a Query string with the
                   2732: # specified parameter toggled
                   2733: sub toggleQuery($$) {
                   2734:     my ($toggle,$value) = @_;
                   2735:     my ($newquery,$var);
                   2736:     my (%vars);
                   2737:     %vars = %input;
                   2738:     if (defined($value)) {
                   2739:        $vars{$toggle} = $value;
                   2740:     }
                   2741:     else {
                   2742:        $vars{$toggle} = $vars{$toggle} ? 0 : 1;
                   2743:     }
                   2744:     # Build a new query of non-default paramenters
                   2745:     $newquery = "";
                   2746:     foreach $var (@stickyvars) {
                   2747:        my ($value) = defined($vars{$var}) ? $vars{$var} : "";
                   2748:        my ($default) = defined($DEFAULTVALUE{$var}) ? $DEFAULTVALUE{$var} : "";
                   2749:        if ($value ne $default) {
                   2750:            $newquery .= "&amp;" if ($newquery ne "");
                   2751:            $newquery .= urlencode($var) . "=" . urlencode($value);
                   2752:        }
                   2753:     }
                   2754:     if ($newquery) {
                   2755:        return '?' . $newquery;
                   2756:     }
                   2757:     return "";
                   2758: }
                   2759:
1.1.1.2   knu      2760: sub urlencode($) {
1.1.1.1   knu      2761:     my ($in) = @_;
                   2762:     my ($out);
                   2763:     ($out = $in) =~ s/([\000-+{-\377])/sprintf("%%%02x", ord($1))/ge;
                   2764:     return $out;
                   2765: }
                   2766:
1.1.1.2   knu      2767: sub http_header(;$) {
1.1.1.1   knu      2768:     my $content_type = shift || "text/html";
                   2769:     if (defined($moddate)) {
                   2770:        if ($is_mod_perl) {
1.1.1.6 ! knu      2771:            Apache->request->header_out("Last-Modified" => scalar gmtime($moddate) . " GMT");
1.1.1.1   knu      2772:        }
                   2773:        else {
                   2774:            print "Last-Modified: " . scalar gmtime($moddate) . " GMT\r\n";
                   2775:        }
                   2776:     }
                   2777:     if ($is_mod_perl) {
                   2778:        Apache->request->content_type($content_type);
                   2779:     }
                   2780:     else {
                   2781:            print "Content-type: $content_type\r\n";
                   2782:     }
                   2783:     if ($allow_compress && $maycompress) {
1.1.1.6 ! knu      2784:        if ($has_zlib || (defined($GZIPBIN) && open(GZIP, "|$GZIPBIN -1 -c"))) {
1.1.1.1   knu      2785:            if ($is_mod_perl) {
                   2786:                    Apache->request->content_encoding("x-gzip");
                   2787:                    Apache->request->header_out(Vary => "Accept-Encoding");
                   2788:                    Apache->request->send_http_header;
                   2789:            }
                   2790:            else {
                   2791:                    print "Content-encoding: x-gzip\r\n";
                   2792:                    print "Vary: Accept-Encoding\r\n";  #RFC 2068, 14.43
                   2793:                    print "\r\n"; # Close headers
                   2794:            }
                   2795:            $| = 1; $| = 0; # Flush header output
1.1.1.6 ! knu      2796:            if ($has_zlib) {
        !          2797:                tie *GZIP, __PACKAGE__, \*STDOUT;
        !          2798:            }
        !          2799:            select(GZIP);
        !          2800:            $gzip_open = 1;
1.1.1.1   knu      2801: #          print "<!-- gzipped -->" if ($content_type eq "text/html");
                   2802:        }
                   2803:        else {
                   2804:            if ($is_mod_perl) {
                   2805:                    Apache->request->send_http_header;
                   2806:            }
                   2807:            else {
                   2808:                    print "\r\n"; # Close headers
                   2809:            }
                   2810:            print "<font size=-1>Unable to find gzip binary in the \$PATH to compress output</font><br>";
                   2811:        }
                   2812:     }
                   2813:     else {
                   2814:            if ($is_mod_perl) {
                   2815:                    Apache->request->send_http_header;
                   2816:            }
                   2817:            else {
                   2818:                    print "\r\n"; # Close headers
                   2819:            }
                   2820:     }
                   2821: }
                   2822:
                   2823: sub html_header($) {
                   2824:     my ($title) = @_;
1.1.1.6 ! knu      2825:     my $version = '$zRevision: 1.101 $  $kRevision: 1.24 $'; #'
1.1.1.1   knu      2826:     http_header();
                   2827:     print <<EOH;
                   2828: <!doctype html public "-//W3C//DTD HTML 4.0 Transitional//EN"
                   2829:  "http://www.w3.org/TR/REC-html40/loose.dtd">
                   2830: <html>
                   2831: <title>$title</title>
                   2832: <!-- CVSweb $version -->
                   2833: </head>
                   2834: $body_tag
                   2835: $logo <h1 align="center">$title</h1>
                   2836: EOH
                   2837: }
                   2838:
1.1.1.2   knu      2839: sub html_footer() {
1.1.1.1   knu      2840:     return "<hr noshade><address>$address</address>\n";
                   2841: }
                   2842:
1.1.1.2   knu      2843: sub link_tags($) {
1.1.1.1   knu      2844:     my ($tags) = @_;
                   2845:     my ($ret) = "";
                   2846:     my ($fileurl,$filename);
                   2847:
                   2848:     ($filename = $where) =~ s/^.*\///;
                   2849:     $fileurl = urlencode($filename);
                   2850:
                   2851:     foreach my $sym (split(", ", $tags)) {
                   2852:        $ret .= ",\n" if ($ret ne "");
                   2853:        $ret .= "<A HREF=\"$fileurl"
                   2854:                . toggleQuery('only_with_tag',$sym) . "\">$sym</A>";
                   2855:     }
                   2856:     return $ret."\n";
                   2857: }
                   2858:
                   2859: #
                   2860: # See if a module is listed in the config file's @HideModule list.
                   2861: #
1.1.1.2   knu      2862: sub forbidden_module($) {
1.1.1.1   knu      2863:     my($module) = @_;
1.1.1.2   knu      2864:
1.1.1.1   knu      2865:     for (my $i=0; $i < @HideModules; $i++) {
                   2866:        return 1 if $module eq $HideModules[$i];
                   2867:     }
                   2868:
                   2869:     return 0;
1.1.1.6 ! knu      2870: }
        !          2871:
        !          2872: # implement a gzipped file handle via the Compress:Zlib compression
        !          2873: # library.
        !          2874:
        !          2875: sub MAGIC1() { 0x1f }
        !          2876: sub MAGIC2() { 0x8b }
        !          2877: sub OSCODE() { 3    }
        !          2878:
        !          2879: sub TIEHANDLE {
        !          2880:        my ($class, $out) = @_;
        !          2881:        my ($d) = Compress::Zlib::deflateInit(-Level => Compress::Zlib::Z_BEST_COMPRESSION(),
        !          2882:                -WindowBits => -Compress::Zlib::MAX_WBITS()) or return undef;
        !          2883:        my ($o) = {
        !          2884:                handle => $out,
        !          2885:                dh => $d,
        !          2886:                crc => 0,
        !          2887:                len => 0,
        !          2888:        };
        !          2889:        my ($header) = pack("c10", MAGIC1, MAGIC2, Compress::Zlib::Z_DEFLATED(), 0,0,0,0,0,0, OSCODE);
        !          2890:        print {$o->{handle}} $header;
        !          2891:        return bless($o, $class);
        !          2892: }
        !          2893:
        !          2894: sub PRINT {
        !          2895:        my ($o) = shift;
        !          2896:        my ($buf) = join(defined $, ? $, : "",@_);
        !          2897:        my ($len) = length($buf);
        !          2898:        my ($compressed, $status) = $o->{dh}->deflate($buf);
        !          2899:        print {$o->{handle}} $compressed if defined($compressed);
        !          2900:        $o->{crc} = Compress::Zlib::crc32($buf, $o->{crc});
        !          2901:        $o->{len} += $len;
        !          2902:        return $len;
        !          2903: }
        !          2904:
        !          2905: sub PRINTF {
        !          2906:        my ($o) = shift;
        !          2907:        my ($fmt) = shift;
        !          2908:        my ($buf) = sprintf($fmt, @_);
        !          2909:        my ($len) = length($buf);
        !          2910:        my ($compressed, $status) = $o->{dh}->deflate($buf);
        !          2911:        print {$o->{handle}} $compressed if defined($compressed);
        !          2912:        $o->{crc} = Compress::Zlib::crc32($buf, $o->{crc});
        !          2913:        $o->{len} += $len;
        !          2914:        return $len;
        !          2915: }
        !          2916:
        !          2917: sub WRITE {
        !          2918:        my ($o, $buf, $len, $off) = @_;
        !          2919:        my ($compressed, $status) = $o->{dh}->deflate(substr($buf, 0, $len));
        !          2920:        print {$o->{handle}} $compressed if defined($compressed);
        !          2921:        $o->{crc} = Compress::Zlib::crc32(substr($buf, 0, $len), $o->{crc});
        !          2922:        $o->{len} += $len;
        !          2923:        return $len;
        !          2924: }
        !          2925:
        !          2926: sub CLOSE {
        !          2927:        my ($o) = @_;
        !          2928:        return if !defined( $o->{dh});
        !          2929:        my ($buf) = $o->{dh}->flush();
        !          2930:        $buf .= pack("V V", $o->{crc}, $o->{len});
        !          2931:        print {$o->{handle}} $buf;
        !          2932:        undef $o->{dh};
        !          2933: }
        !          2934:
        !          2935: sub DESTROY {
        !          2936:        my ($o) = @_;
        !          2937:        CLOSE($o);
1.1       jfieber  2938: }

CVSweb