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Annotation of cvsweb/cvsweb.cgi, Revision 3.25

3.10      knu         1: #!/usr/bin/perl5 -ws
1.1       jfieber     2: #
3.1       knu         3: # cvsweb - a CGI interface to CVS trees.
1.1       jfieber     4: #
3.12      knu         5: # Written in their spare time by
3.1       knu         6: #             Bill Fenner      <fenner@FreeBSD.org>   (original work)
                      7: # extended by Henner Zeller    <zeller@think.de>,
3.12      knu         8: #             Henrik Nordstrom <hno@hem.passagen.se>
3.1       knu         9: #             Ken Coar         <coar@Apache.Org>
                     10: #             Dick Balaska     <dick@buckosoft.com>
                     11: #             Akinori MUSHA    <knu@FreeBSD.org>
3.23      knu        12: #             Jens-Uwe Mager   <jum@helios.de>
3.1       knu        13: #
                     14: # Based on:
                     15: # * Bill Fenners cvsweb.cgi revision 1.28 available from:
3.5       knu        16: #   http://www.FreeBSD.org/cgi/cvsweb.cgi/www/en/cgi/cvsweb.cgi
1.1       jfieber    17: #
1.21      wosch      18: # Copyright (c) 1996-1998 Bill Fenner
3.1       knu        19: #           (c) 1998-1999 Henner Zeller
                     20: #          (c) 1999      Henrik Nordstrom
                     21: #          (c) 2000      Akinori MUSHA
1.21      wosch      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: #
3.25    ! knu        45: # $zId: cvsweb.cgi,v 1.103 2000/09/20 17:02:29 jumager Exp $
        !            46: # $Id: cvsweb.cgi,v 3.24 2000/09/19 20:07:16 knu Exp $
1.21      wosch      47: #
3.1       knu        48: ###
                     49:
                     50: use strict;
1.21      wosch      51:
3.1       knu        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
3.17      knu        57:     @revisions %state %difflines %log %branchpoint @revorder
                     58:     $prcgi @prcategories $prcategories $mancgi
3.1       knu        59:     $checkoutMagic $doCheckout $scriptname $scriptwhere
3.3       knu        60:     $where $pathinfo $Browser $nofilelinks $maycompress @stickyvars
                     61:     %funcline_regexp $is_mod_perl
3.5       knu        62:     $is_lynx $is_w3m $is_msie $is_mozilla3 $is_textbased
3.1       knu        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
3.3       knu        70:     $columnHeaderColorSorted $hr_breakable $showfunc $hr_ignwhite
3.1       knu        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
3.23      knu        80:     $use_moddate $has_zlib $gzip_open
3.1       knu        81: );
                     82:
3.12      knu        83: sub printDiffSelect($);
                     84: sub findLastModifiedSubdirs(@);
                     85: sub htmlify($;$);
3.20      knu        86: sub spacedHtmlText($;$);
3.12      knu        87: sub link($$);
                     88: sub revcmp($$);
                     89: sub fatal($$);
                     90: sub redirect($);
                     91: sub safeglob($);
                     92: sub getMimeTypeFromSuffix($);
3.24      knu        93: sub head($;$);
                     94: sub scan_directives(@);
3.12      knu        95: sub doAnnotate($$);
                     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:
3.1       knu       123: ##### Start of Configuration Area ########
3.11      knu       124: use Cwd;
                    125:
3.12      knu       126: # == EDIT this ==
3.1       knu       127: # User configuration is stored in
3.11      knu       128: $config = undef;
                    129:
3.13      knu       130: for ($ENV{CVSWEB_CONFIG},
                    131: #     '/home/knu/etc/cvsweb.conf',
                    132:      '/usr/local/etc/cvsweb.conf',
                    133:      getcwd . '/cvsweb.conf') {
3.12      knu       134:   $config = $_ if defined($_) && -r $_;
3.11      knu       135: }
3.1       knu       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 =
3.3       knu       151: $columnHeaderColorSorted = $hr_breakable = $showfunc = $hr_ignwhite =
3.1       knu       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 =
3.12      knu       158: $navigationHeaderColor = $tableBorderColor = $markupLogColor =
3.25    ! knu       159: $tabstop = $use_moddate = $moddate = $gzip_open = undef;
1.21      wosch     160:
3.1       knu       161: ##### End of configuration variables #####
                    162:
                    163: use Time::Local;
                    164: use IPC::Open2;
1.1       jfieber   165:
3.23      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;
3.1       knu       174: $checkoutMagic = "~checkout~";
3.3       knu       175: $pathinfo = defined($ENV{PATH_INFO}) ? $ENV{PATH_INFO} : '';
                    176: $where = $pathinfo;
3.1       knu       177: $doCheckout = ($where =~ /^\/$checkoutMagic/);
                    178: $where =~ s|^/($checkoutMagic)?||;
                    179: $where =~ s|/+$||;
3.3       knu       180: $scriptname = defined($ENV{SCRIPT_NAME}) ? $ENV{SCRIPT_NAME} : '';
                    181: $scriptname =~ s|^/?|/|;
3.1       knu       182: $scriptname =~ s|/+$||;
3.3       knu       183: $scriptwhere = $scriptname;
3.1       knu       184: if ($where) {
3.3       knu       185:     $scriptwhere .= '/' . urlencode($where);
3.1       knu       186: }
3.3       knu       187:
                    188: $is_mod_perl = defined($ENV{MOD_PERL});
3.1       knu       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:
3.12      knu       193: $Browser = $ENV{HTTP_USER_AGENT};
3.5       knu       194: $is_lynx = ($Browser =~ m`^Lynx/`i);
                    195: $is_w3m = ($Browser =~ m`^w3m/`i);
3.3       knu       196: $is_msie = ($Browser =~ m`MSIE`);
3.5       knu       197: $is_mozilla3 = ($Browser =~ m`^Mozilla/[3-9]`);
3.3       knu       198:
3.5       knu       199: $is_textbased = ($is_lynx || $is_w3m);
                    200:
                    201: $nofilelinks = $is_textbased;
3.1       knu       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 :-/
3.23      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.
3.25    ! knu       212: $maycompress = (((defined($ENV{HTTP_ACCEPT_ENCODING})
        !           213:                 && $ENV{HTTP_ACCEPT_ENCODING} =~ m`gzip`)
3.12      knu       214:                 || $is_mozilla3)
                    215:                && !$is_msie
3.23      knu       216:                && !($is_mod_perl && !$has_zlib));
3.1       knu       217:
                    218: # put here the variables we need in order
                    219: # to hold our state - they will be added (with
3.12      knu       220: # their current value) to any link/query string
3.1       knu       221: # you construct
3.6       knu       222: @stickyvars = qw(cvsroot hideattic sortby logsort f only_with_tag);
1.1       jfieber   223:
3.1       knu       224: if (-f $config) {
3.3       knu       225:     do $config;
3.1       knu       226: }
                    227: else {
                    228:    &fatal("500 Internal Error",
                    229:          'Configuration not found.  Set the variable <code>$config</code> '
                    230:           . 'in cvsweb.cgi, or the environment variable '
                    231:           . '<code>CVSWEB_CONFIG</code>, to your <b>cvsweb.conf</b> '
                    232:           . 'configuration file first.');
                    233: }
                    234:
                    235: undef %input;
3.3       knu       236: $query = $ENV{QUERY_STRING};
                    237:
3.12      knu       238: if (defined($query) && $query ne '') {
1.9       fenner    239:     foreach (split(/&/, $query)) {
1.7       fenner    240:        s/%(..)/sprintf("%c", hex($1))/ge;      # unquote %-quoted
                    241:        if (/(\S+)=(.*)/) {
3.1       knu       242:            $input{$1} = $2 if ($2 ne "");
                    243:        }
                    244:        else {
1.7       fenner    245:            $input{$_}++;
                    246:        }
                    247:     }
                    248: }
1.10      wosch     249:
3.12      knu       250: # For backwards compability, set only_with_tag to only_on_branch if set.
3.1       knu       251: $input{only_with_tag} = $input{only_on_branch}
                    252:     if (defined($input{only_on_branch}));
1.10      wosch     253:
3.1       knu       254: $DEFAULTVALUE{'cvsroot'} = $cvstreedefault;
1.10      wosch     255:
3.1       knu       256: foreach (keys %DEFAULTVALUE)
                    257: {
                    258:     # replace not given parameters with the default parameters
                    259:     if (!defined($input{$_}) || $input{$_} eq "") {
                    260:        # Empty Checkboxes in forms return -- nothing. So we define a helper
                    261:        # variable in these forms (copt) which indicates that we just set
                    262:        # parameters with a checkbox
                    263:        if (!defined($input{"copt"})) {
                    264:            # 'copt' isn't defined --> empty input is not the result
                    265:            # of empty input checkbox --> set default
                    266:            $input{$_} = $DEFAULTVALUE{$_} if (defined($DEFAULTVALUE{$_}));
                    267:        }
                    268:        else {
                    269:            # 'copt' is defined -> the result of empty input checkbox
                    270:            # -> set to zero (disable) if default is a boolean (0|1).
                    271:            $input{$_} = 0
                    272:                if (defined($DEFAULTVALUE{$_})
                    273:                    && ($DEFAULTVALUE{$_} eq "0" || $DEFAULTVALUE{$_} eq "1"));
                    274:        }
1.10      wosch     275:     }
                    276: }
3.12      knu       277:
3.1       knu       278: $barequery = "";
                    279: foreach (@stickyvars) {
                    280:     # construct a query string with the sticky non default parameters set
3.12      knu       281:     if (defined($input{$_}) && $input{$_} ne '' &&
3.4       knu       282:        !(defined($DEFAULTVALUE{$_}) && $input{$_} eq $DEFAULTVALUE{$_})) {
                    283:         if ($barequery) {
3.1       knu       284:            $barequery = $barequery . "&amp;";
                    285:        }
                    286:        my $thisval = urlencode($_) . "=" . urlencode($input{$_});
                    287:        $barequery .= $thisval;
                    288:     }
                    289: }
                    290: # is there any query ?
                    291: if ($barequery) {
                    292:     $query = "?$barequery";
                    293:     $barequery = "&amp;" . $barequery;
                    294: }
                    295: else {
                    296:     $query = "";
                    297: }
                    298:
                    299: # get actual parameters
                    300: $sortby = $input{"sortby"};
                    301: $bydate = 0;
                    302: $byrev = 0;
                    303: $byauthor = 0;
                    304: $bylog = 0;
                    305: $byfile = 0;
                    306: if ($sortby eq "date") {
                    307:     $bydate = 1;
                    308: }
                    309: elsif ($sortby eq "rev") {
                    310:     $byrev = 1;
                    311: }
                    312: elsif ($sortby eq "author") {
                    313:     $byauthor = 1;
                    314: }
                    315: elsif ($sortby eq "log") {
                    316:     $bylog = 1;
                    317: }
                    318: else {
                    319:     $byfile = 1;
                    320: }
                    321:
                    322: $hr_default = $input{'f'} eq 'h';
                    323:
3.3       knu       324: $logsort = $input{'logsort'};
1.10      wosch     325:
1.12      fenner    326:
3.1       knu       327: ## Default CVS-Tree
                    328: if (!defined($CVSROOT{$cvstreedefault})) {
                    329:    &fatal("500 Internal Error",
                    330:          "<code>\$cvstreedefault</code> points to a repository "
                    331:          . "not defined in <code>%CVSROOT</code> "
                    332:          . "(edit your configuration file $config)");
                    333: }
                    334:
                    335: # alternate CVS-Tree, configured in cvsweb.conf
                    336: if ($input{'cvsroot'} && $CVSROOT{$input{'cvsroot'}}) {
                    337:     $cvstree = $input{'cvsroot'};
                    338: } else {
                    339:     $cvstree = $cvstreedefault;
1.10      wosch     340: }
                    341:
3.1       knu       342: $cvsroot = $CVSROOT{$cvstree};
1.10      wosch     343:
3.1       knu       344: # create icons out of description
                    345: foreach my $k (keys %ICONS) {
                    346:     no strict 'refs';
                    347:     my ($itxt,$ipath,$iwidth,$iheight) = @{$ICONS{$k}};
                    348:     if ($ipath) {
3.3       knu       349:        ${"${k}icon"} = "<IMG SRC=\"$ipath\" ALT=\"$itxt\" BORDER=\"0\" WIDTH=\"$iwidth\" HEIGHT=\"$iheight\">";
1.16      wosch     350:     }
3.1       knu       351:     else {
3.3       knu       352:        ${"${k}icon"} = $itxt;
1.24      wosch     353:     }
                    354: }
                    355:
3.1       knu       356: # Do some special configuration for cvstrees
                    357: do "$config-$cvstree" if (-f "$config-$cvstree");
                    358:
                    359: $prcategories = '(?:' . join('|', @prcategories) . ')';
3.17      knu       360: $prcgi .= '%s' if defined($prcgi) && $prcgi !~ /%s/;
1.24      wosch     361:
3.1       knu       362: $fullname = $cvsroot . '/' . $where;
                    363: $mimetype = &getMimeTypeFromSuffix ($fullname);
                    364: $defaultTextPlain = ($mimetype eq "text/plain");
                    365: $defaultViewable = $allow_markup && viewable($mimetype);
                    366:
                    367: # search for GZIP if compression allowed
                    368: # We've to find out if the GZIP-binary exists .. otherwise
                    369: # ge get an Internal Server Error if we try to pipe the
3.12      knu       370: # output through the nonexistent gzip ..
3.1       knu       371: # any more elegant ways to prevent this are welcome!
3.23      knu       372: if ($allow_compress && $maycompress && !$has_zlib) {
3.1       knu       373:     foreach (split(/:/, $ENV{PATH})) {
                    374:        if (-x "$_/gzip") {
                    375:            $GZIPBIN = "$_/gzip";
                    376:            last;
1.16      wosch     377:        }
                    378:     }
                    379: }
                    380:
3.1       knu       381: if (-d $fullname) {
                    382:     #
                    383:     # ensure, that directories always end with (exactly) one '/'
                    384:     # to allow relative URL's. If they're not, make a redirect.
                    385:     ##
                    386:     if (!($pathinfo =~ m|/$|) || ($pathinfo =~ m |/{2,}$|)) {
                    387:        redirect ($scriptwhere . '/' . $query);
                    388:     }
                    389:     else {
                    390:        $where .= '/';
                    391:        $scriptwhere .= '/';
                    392:     }
                    393: }
                    394:
                    395: if (!-d $cvsroot) {
                    396:     &fatal("500 Internal Error",'$CVSROOT not found!<P>The server on which the CVS tree lives is probably down.  Please try again in a few minutes.');
                    397: }
                    398:
                    399: #
                    400: # See if the module is in our forbidden list.
                    401: #
                    402: $where =~ m:([^/]*):;
                    403: $module = $1;
                    404: if ($module && &forbidden_module($module)) {
                    405:     &fatal("403 Forbidden", "Access to $where forbidden.");
                    406: }
                    407: ##############################
                    408: # View a directory
                    409: ###############################
                    410: elsif (-d $fullname) {
                    411:        my $dh = do {local(*DH);};
                    412:        opendir($dh, $fullname) || &fatal("404 Not Found","$where: $!");
                    413:        my @dir = readdir($dh);
                    414:        closedir($dh);
                    415:        my @subLevelFiles = findLastModifiedSubdirs(@dir)
                    416:            if ($show_subdir_lastmod);
                    417:        getDirLogs($cvsroot,$where,@subLevelFiles);
                    418:
                    419:        if ($where eq '/') {
3.3       knu       420:            html_header($defaulttitle);
3.2       knu       421:            $long_intro =~ s/!!CVSROOTdescr!!/$CVSROOTdescr{$cvstree}/g;
3.1       knu       422:            print $long_intro;
                    423:        }
                    424:        else {
3.3       knu       425:            html_header($where);
3.1       knu       426:            print $short_instruction;
                    427:        }
                    428:
                    429:        my $descriptions;
                    430:        if (($use_descriptions) && open (DESC, "<$cvsroot/CVSROOT/descriptions")) {
                    431:            while (<DESC>) {
                    432:                chomp;
                    433:                my ($dir,$description) = /(\S+)\s+(.*)/;
                    434:                $descriptions{$dir} = $description;
                    435:            }
                    436:        }
                    437:
                    438:        print "<P><a name=\"dirlist\"></a>\n";
                    439:        # give direct access to dirs
                    440:        if ($where eq '/') {
                    441:            chooseMirror();
                    442:            chooseCVSRoot();
                    443:        }
                    444:        else {
                    445:            print "<p>Current directory: <b>", &clickablePath($where,0), "</b>\n";
                    446:
                    447:            print "<P>Current tag: <B>", $input{only_with_tag}, "</b>\n" if
                    448:                $input{only_with_tag};
1.16      wosch     449:
1.1       jfieber   450:        }
3.12      knu       451:
3.1       knu       452:
                    453:        print "<HR NOSHADE>\n";
1.1       jfieber   454:        # Using <MENU> in this manner violates the HTML2.0 spec but
                    455:        # provides the results that I want in most browsers.  Another
                    456:        # case of layout spooging up HTML.
3.12      knu       457:
3.1       knu       458:        my $infocols = 0;
                    459:        if ($dirtable) {
                    460:            if (defined($tableBorderColor)) {
                    461:                # Can't this be done by defining the border for the inner table?
                    462:                print "<table border=0 cellpadding=0 width=\"100%\"><tr><td bgcolor=\"$tableBorderColor\">";
                    463:            }
                    464:            print "<table  width=\"100%\" border=0 cellspacing=1 cellpadding=$tablepadding>\n";
                    465:            $infocols++;
3.12      knu       466:            print "<tr><th align=left bgcolor=\"" . (($byfile) ?
                    467:                                                   $columnHeaderColorSorted :
3.1       knu       468:                                                   $columnHeaderColorDefault) . "\">";
                    469:            print "<a href=\"./" . &toggleQuery("sortby","file") .
                    470:                "#dirlist\">" if (!$byfile);
                    471:            print "File";
                    472:            print "</a>" if (!$byfile);
                    473:            print "</th>";
                    474:            # do not display the other column-headers, if we do not have any files
                    475:            # with revision information:
                    476:            if (scalar(%fileinfo)) {
                    477:                $infocols++;
3.12      knu       478:                print "<th align=left bgcolor=\"" . (($byrev) ?
                    479:                                                   $columnHeaderColorSorted :
3.1       knu       480:                                                   $columnHeaderColorDefault) . "\">";
                    481:                print "<a href=\"./" . &toggleQuery ("sortby","rev") .
                    482:                    "#dirlist\">" if (!$byrev);
                    483:                print "Rev.";
                    484:                print "</a>" if (!$byrev);
                    485:                print "</th>";
                    486:                $infocols++;
3.12      knu       487:                print "<th align=left bgcolor=\"" . (($bydate) ?
                    488:                                                   $columnHeaderColorSorted :
3.1       knu       489:                                                   $columnHeaderColorDefault) . "\">";
                    490:                print "<a href=\"./" . &toggleQuery ("sortby","date") .
                    491:                    "#dirlist\">" if (!$bydate);
                    492:                print "Age";
                    493:                print "</a>" if (!$bydate);
                    494:                print "</th>";
                    495:                if ($show_author) {
                    496:                    $infocols++;
3.12      knu       497:                    print "<th align=left bgcolor=\"" . (($byauthor) ?
                    498:                                                   $columnHeaderColorSorted :
3.1       knu       499:                                                   $columnHeaderColorDefault) . "\">";
                    500:                    print "<a href=\"./" . &toggleQuery ("sortby","author") .
                    501:                            "#dirlist\">" if (!$byauthor);
                    502:                    print "Author";
                    503:                    print "</a>" if (!$byauthor);
                    504:                    print "</th>";
                    505:                }
                    506:                $infocols++;
3.12      knu       507:                print "<th align=left bgcolor=\"" . (($bylog) ?
                    508:                                               $columnHeaderColorSorted :
3.1       knu       509:                                               $columnHeaderColorDefault) . "\">";
                    510:                print "<a href=\"./", toggleQuery("sortby","log"), "#dirlist\">" if (!$bylog);
                    511:                print "Last log entry";
                    512:                print "</a>" if (!$bylog);
                    513:                print "</th>";
                    514:            }
                    515:            elsif ($use_descriptions) {
                    516:                print "<th align=left bgcolor=\"". $columnHeaderColorDefault . "\">";
                    517:                print "Description";
                    518:                $infocols++;
                    519:            }
                    520:            print "</tr>\n";
                    521:        }
                    522:        else {
                    523:            print "<menu>\n";
                    524:        }
                    525:        my $dirrow = 0;
3.12      knu       526:
3.1       knu       527:        my $i;
1.9       fenner    528:        lookingforattic:
                    529:        for ($i = 0; $i <= $#dir; $i++) {
                    530:                if ($dir[$i] eq "Attic") {
3.1       knu       531:                    last lookingforattic;
1.9       fenner    532:                }
                    533:        }
3.1       knu       534:        if (!$input{'hideattic'} && ($i <= $#dir) &&
                    535:            opendir($dh, $fullname . "/Attic")) {
                    536:            splice(@dir, $i, 1,
                    537:                        grep((s|^|Attic/|,!m|/\.|), readdir($dh)));
                    538:            closedir($dh);
1.9       fenner    539:        }
3.1       knu       540:
3.12      knu       541:        my $hideAtticToggleLink = "<a href=\"./" .
3.1       knu       542:                &toggleQuery ("hideattic") .
                    543:                "#dirlist\">[Hide]</a>" if (!$input{'hideattic'});
                    544:
1.9       fenner    545:        # Sort without the Attic/ pathname.
3.1       knu       546:        # place directories first
                    547:
                    548:        my $attic;
                    549:        my $url;
                    550:        my $fileurl;
                    551:        my $filesexists;
                    552:        my $filesfound;
                    553:
                    554:        foreach (sort { &fileSortCmp } @dir) {
1.1       jfieber   555:            if ($_ eq '.') {
                    556:                next;
                    557:            }
1.19      wosch     558:            # ignore CVS lock and stale NFS files
3.1       knu       559:            next if (/^#cvs\.|^,|^\.nfs/);
                    560:
                    561:            # Check whether to show the CVSROOT path
                    562:            next if ($input{'hidecvsroot'} && ($_ eq 'CVSROOT'));
                    563:
                    564:            # Check whether the module is in the restricted list
                    565:            next if ($_ && &forbidden_module($_));
                    566:
                    567:            # Ignore non-readable files
                    568:            next if ($input{'hidenonreadable'} && !(-r "$fullname/$_"));
1.18      wosch     569:
1.9       fenner    570:            if (s|^Attic/||) {
3.1       knu       571:                $attic  = " (in the Attic)&nbsp;" . $hideAtticToggleLink;
                    572:            }
                    573:            else {
1.9       fenner    574:                $attic = "";
                    575:            }
3.1       knu       576:
                    577:            if ($_ eq '..' || -d "$fullname/$_") {
                    578:                next if ($_ eq '..' && $where eq '/');
                    579:                my ($rev,$date,$log,$author,$filename) = @{$fileinfo{$_}}
                    580:                    if (defined($fileinfo{$_}));
                    581:                print "<tr bgcolor=\"" . @tabcolors[$dirrow%2] . "\"><td>" if ($dirtable);
                    582:                if ($_ eq '..') {
                    583:                    $url = "../" . $query;
                    584:                    if ($nofilelinks) {
                    585:                        print $backicon;
                    586:                    }
                    587:                    else {
                    588:                        print &link($backicon,$url);
                    589:                    }
                    590:                    print " ", &link("Previous Directory",$url);
                    591:                }
                    592:                else {
                    593:                    $url = urlencode($_) . '/' . $query;
                    594:                    print "<A NAME=\"$_\"></A>";
                    595:                    if ($nofilelinks) {
                    596:                        print $diricon;
                    597:                    }
                    598:                    else {
                    599:                        print &link($diricon,$url);
                    600:                    }
                    601:                    print " ", &link($_ . "/", $url), $attic;
                    602:                    if ($_ eq "Attic") {
3.12      knu       603:                        print "&nbsp; <a href=\"./" .
3.1       knu       604:                            &toggleQuery ("hideattic") .
                    605:                                "#dirlist\">[Don't hide]</a>";
                    606:                    }
3.12      knu       607:                }
3.1       knu       608:                # Show last change in dir
                    609:                if ($filename) {
                    610:                    print "</td><td>&nbsp;</td><td>&nbsp;" if ($dirtable);
                    611:                    if ($date) {
                    612:                        print " <i>" . readableTime(time() - $date,0) . "</i>";
                    613:                    }
                    614:                    if ($show_author) {
                    615:                        print "</td><td>&nbsp;" if ($dirtable);
                    616:                        print $author;
                    617:                    }
                    618:                    print "</td><td>&nbsp;" if ($dirtable);
                    619:                    $filename =~ s%^[^/]+/%%;
                    620:                    print "$filename/$rev";
                    621:                    print "<BR>" if ($dirtable);
                    622:                    if ($log) {
                    623:                        print "&nbsp;<font size=-1>"
                    624:                            . &htmlify(substr($log,0,$shortLogLen));
                    625:                        if (length $log > 80) {
                    626:                            print "...";
                    627:                        }
                    628:                        print "</font>";
                    629:                    }
                    630:                }
                    631:                else {
                    632:                    my ($dwhere) = ($where ne "/" ? $where : "") . $_;
                    633:                    if ($use_descriptions && defined $descriptions{$dwhere}) {
                    634:                        print "<TD COLSPAN=" . ($infocols-1) . ">&nbsp;" if $dirtable;
                    635:                        print $descriptions{$dwhere};
                    636:                    } elsif ($dirtable && $infocols > 1) {
                    637:                        # close the row with the appropriate number of
                    638:                        # columns, so that the vertical seperators are visible
                    639:                        my($cols) = $infocols;
                    640:                        while ($cols > 1) {
                    641:                            print "</td><td>&nbsp;";
                    642:                            $cols--;
                    643:                        }
                    644:                    }
                    645:                }
                    646:                if ($dirtable) {
                    647:                    print "</td></tr>\n";
                    648:                }
                    649:                else {
                    650:                    print "<br>\n";
                    651:                }
                    652:                $dirrow++;
1.9       fenner    653:            }
3.1       knu       654:            elsif (s/,v$//) {
                    655:                $fileurl = ($attic ? "Attic/" : "") . urlencode($_);
                    656:                $url = $fileurl . $query;
                    657:                my $rev = '';
                    658:                my $date = '';
                    659:                my $log = '';
                    660:                my $author = '';
                    661:                $filesexists++;
                    662:                next if (!defined($fileinfo{$_}));
                    663:                ($rev,$date,$log,$author) = @{$fileinfo{$_}};
                    664:                $filesfound++;
                    665:                print "<tr bgcolor=\"" . @tabcolors[$dirrow%2] . "\"><td>" if ($dirtable);
                    666:                print "<A NAME=\"$_\"></A>";
                    667:                if ($nofilelinks) {
                    668:                    print $fileicon;
                    669:                }
                    670:                else {
                    671:                    print &link($fileicon,$url);
                    672:                }
                    673:                print " ", &link($_, $url), $attic;
                    674:                print "</td><td>&nbsp;" if ($dirtable);
                    675:                download_link($fileurl,
3.12      knu       676:                        $rev, $rev,
3.1       knu       677:                        $defaultViewable ? "text/x-cvsweb-markup" : undef);
                    678:                print "</td><td>&nbsp;" if ($dirtable);
                    679:                if ($date) {
                    680:                    print " <i>" . readableTime(time() - $date,0) . "</i>";
                    681:                }
                    682:                if ($show_author) {
                    683:                    print "</td><td>&nbsp;" if ($dirtable);
                    684:                    print $author;
                    685:                }
                    686:                print "</td><td>&nbsp;" if ($dirtable);
                    687:                if ($log) {
                    688:                    print " <font size=-1>" . &htmlify(substr($log,0,$shortLogLen));
                    689:                    if (length $log > 80) {
                    690:                        print "...";
                    691:                    }
                    692:                    print "</font>";
                    693:                }
                    694:                print "</td>" if ($dirtable);
                    695:                print (($dirtable) ? "</tr>" : "<br>");
                    696:                $dirrow++;
                    697:            }
                    698:            print "\n";
                    699:        }
                    700:        if ($dirtable && defined($tableBorderColor)) {
                    701:            print "</td></tr></table>";
                    702:        }
                    703:        print "". ($dirtable == 1) ? "</table>" : "</menu>" . "\n";
3.12      knu       704:
3.1       knu       705:        if ($filesexists && !$filesfound) {
                    706:            print "<P><B>NOTE:</B> There are $filesexists files, but none matches the current tag ($input{only_with_tag})\n";
                    707:        }
                    708:        if ($input{only_with_tag} && (!%tags || !$tags{$input{only_with_tag}})) {
                    709:            %tags = %alltags
                    710:        }
3.12      knu       711:        if (scalar %tags
                    712:            || $input{only_with_tag}
3.1       knu       713:            || $edit_option_form
                    714:            || defined($input{"options"})) {
                    715:            print "<hr size=1 NOSHADE>";
                    716:        }
                    717:
                    718:        if (scalar %tags || $input{only_with_tag}) {
                    719:            print "<FORM METHOD=\"GET\" ACTION=\"./\">\n";
                    720:            foreach my $var (@stickyvars) {
                    721:                print "<INPUT TYPE=HIDDEN NAME=\"$var\" VALUE=\"$input{$var}\">\n"
                    722:                    if (defined($input{$var})
3.23      knu       723:                        && (!defined($DEFAULTVALUE{$var})
                    724:                            || $input{$var} ne $DEFAULTVALUE{$var})
3.1       knu       725:                        && $input{$var} ne ""
                    726:                        && $var ne "only_with_tag");
                    727:            }
                    728:            print "Show only files with tag:\n";
                    729:            print "<SELECT NAME=only_with_tag";
                    730:            print " onchange=\"submit()\"" if ($use_java_script);
                    731:            print ">";
                    732:            print "<OPTION VALUE=\"\">All tags / default branch\n";
                    733:            foreach my $tag (reverse sort { lc $a cmp lc $b } keys %tags) {
3.12      knu       734:                print "<OPTION",defined($input{only_with_tag}) &&
3.13      knu       735:                       $input{only_with_tag} eq $tag ? " SELECTED" : "",
3.1       knu       736:                       ">$tag\n";
                    737:            }
                    738:            print "</SELECT>\n";
                    739:            print "<INPUT TYPE=SUBMIT VALUE=\"Go\">\n";
1.9       fenner    740:            print "</FORM>\n";
                    741:        }
3.1       knu       742:        my $formwhere = $scriptwhere;
                    743:        $formwhere =~ s|Attic/?$|| if ($input{'hideattic'});
                    744:
                    745:        if ($edit_option_form || defined($input{"options"})) {
                    746:            print "<FORM METHOD=\"GET\" ACTION=\"${formwhere}\">\n";
                    747:            print "<INPUT TYPE=HIDDEN NAME=\"copt\" VALUE=\"1\">\n";
                    748:            if ($cvstree ne $cvstreedefault) {
                    749:                print "<INPUT TYPE=HIDDEN NAME=\"cvsroot\" VALUE=\"$cvstree\">\n";
                    750:            }
                    751:            print "<center><table cellpadding=0 cellspacing=0>";
                    752:            print "<tr bgcolor=\"$columnHeaderColorDefault\"><th colspan=2>Preferences</th></tr>";
                    753:            print "<tr><td>Sort files by <SELECT name=\"sortby\">";
                    754:            print "<OPTION VALUE=\"\">File";
                    755:            print "<OPTION",$bydate ? " SELECTED" : ""," VALUE=date>Age";
                    756:            print "<OPTION",$byauthor ? " SELECTED" : ""," VALUE=author>Author"
                    757:                if ($show_author);
                    758:            print "<OPTION",$byrev ? " SELECTED" : ""," VALUE=rev>Revision";
                    759:            print "<OPTION",$bylog ? " SELECTED" : ""," VALUE=log>Log message";
                    760:            print "</SELECT></td>";
                    761:            print "<td>revisions by: \n";
                    762:            print "<SELECT NAME=logsort>\n";
                    763:            print "<OPTION VALUE=cvs",$logsort eq "cvs" ? " SELECTED" : "", ">Not sorted";
                    764:            print "<OPTION VALUE=date",$logsort eq "date" ? " SELECTED" : "", ">Commit date";
                    765:            print "<OPTION VALUE=rev",$logsort eq "rev" ? " SELECTED" : "", ">Revision";
                    766:            print "</SELECT></td></tr>";
                    767:            print "<tr><td>Diff format: ";
3.12      knu       768:            printDiffSelect(0);
3.1       knu       769:            print "</td>";
                    770:            print "<td>Show Attic files: ";
3.13      knu       771:            print "<INPUT NAME=hideattic TYPE=CHECKBOX", $input{'hideattic'} ? " CHECKED" : "",
3.1       knu       772:            "></td></tr>\n";
                    773:            print "<tr><td align=center colspan=2><input type=submit value=\"Change Options\">";
                    774:            print "</td></tr></table></center></FORM>\n";
1.12      fenner    775:        }
1.2       jfieber   776:        print &html_footer;
1.1       jfieber   777:        print "</BODY></HTML>\n";
3.12      knu       778:     }
3.1       knu       779:
                    780: ###############################
                    781: # View Files
                    782: ###############################
                    783:     elsif (-f $fullname . ',v') {
                    784:        if (defined($input{'rev'}) || $doCheckout) {
                    785:            &doCheckout($fullname, $input{'rev'});
3.25    ! knu       786:            gzipclose();
3.1       knu       787:            exit;
                    788:        }
                    789:        if (defined($input{'annotate'}) && $allow_annotate) {
                    790:            &doAnnotate($input{'annotate'});
3.25    ! knu       791:            gzipclose();
3.1       knu       792:            exit;
                    793:        }
                    794:        if (defined($input{'r1'}) && defined($input{'r2'})) {
                    795:            &doDiff($fullname, $input{'r1'}, $input{'tr1'},
                    796:                    $input{'r2'}, $input{'tr2'}, $input{'f'});
3.25    ! knu       797:            gzipclose();
3.1       knu       798:            exit;
                    799:        }
                    800:        print("going to dolog($fullname)\n") if ($verbose);
                    801:        &doLog($fullname);
                    802: ##############################
                    803: # View Diff
                    804: ##############################
                    805:     }
                    806:     elsif ($fullname =~ s/\.diff$// && -f $fullname . ",v" &&
                    807:           $input{'r1'} && $input{'r2'}) {
                    808:
                    809:        # $where-diff-removal if 'cvs rdiff' is used
                    810:        # .. but 'cvs rdiff'doesn't support some options
                    811:        # rcsdiff does (-w and -p), so it is disabled
                    812:        # $where =~ s/\.diff$//;
                    813:
1.12      fenner    814:        # Allow diffs using the ".diff" extension
                    815:        # so that browsers that default to the URL
                    816:        # for a save filename don't save diff's as
                    817:        # e.g. foo.c
3.1       knu       818:        &doDiff($fullname, $input{'r1'}, $input{'tr1'},
1.12      fenner    819:                $input{'r2'}, $input{'tr2'}, $input{'f'});
3.25    ! knu       820:        gzipclose();
1.12      fenner    821:        exit;
3.1       knu       822:     }
                    823:     elsif (($newname = $fullname) =~ s|/([^/]+)$|/Attic/$1| &&
                    824:           -f $newname . ",v") {
1.12      fenner    825:        # The file has been removed and is in the Attic.
                    826:        # Send a redirect pointing to the file in the Attic.
3.1       knu       827:        (my $newplace = $scriptwhere) =~ s|/([^/]+)$|/Attic/$1|;
1.12      fenner    828:        &redirect($newplace);
                    829:        exit;
3.1       knu       830:     }
                    831:     elsif (0 && (my @files = &safeglob($fullname . ",v"))) {
                    832:        http_header("text/plain");
1.12      fenner    833:        print "You matched the following files:\n";
                    834:        print join("\n", @files);
                    835:        # Find the tags from each file
                    836:        # Display a form offering diffs between said tags
3.1       knu       837:     }
                    838:     else {
                    839:        my $fh = do {local(*FH);};
                    840:        my ($xtra, $module);
1.12      fenner    841:        # Assume it's a module name with a potential path following it.
1.13      fenner    842:        $xtra = $& if (($module = $where) =~ s|/.*||);
1.12      fenner    843:        # Is there an indexed version of modules?
3.1       knu       844:        if (open($fh, "$cvsroot/CVSROOT/modules")) {
                    845:            while (<$fh>) {
                    846:                if (/^(\S+)\s+(\S+)/o && $module eq $1
                    847:                    && -d "${cvsroot}/$2" && $module ne $2) {
                    848:                    &redirect($scriptname . '/' . $2 . $xtra);
1.12      fenner    849:                }
3.1       knu       850:            }
1.12      fenner    851:        }
                    852:        &fatal("404 Not Found","$where: no such file or directory");
3.1       knu       853:     }
3.23      knu       854:
3.25    ! knu       855: gzipclose();
3.1       knu       856: ## End MAIN
                    857:
3.12      knu       858: sub printDiffSelect($) {
3.1       knu       859:     my ($use_java_script) = @_;
                    860:     my ($f) = $input{'f'};
                    861:     print "<SELECT NAME=\"f\"";
                    862:     print " onchange=\"submit()\"" if ($use_java_script);
                    863:     print ">\n";
                    864:     print "<OPTION VALUE=h",$f eq "h" ? " SELECTED" : "", ">Colored Diff";
                    865:     print "<OPTION VALUE=H",$f eq "H" ? " SELECTED" : "", ">Long Colored Diff";
                    866:     print "<OPTION VALUE=u",$f eq "u" ? " SELECTED" : "", ">Unidiff";
                    867:     print "<OPTION VALUE=c",$f eq "c" ? " SELECTED" : "", ">Context Diff";
                    868:     print "<OPTION VALUE=s",$f eq "s" ? " SELECTED" : "", ">Side by Side";
                    869:     print "</SELECT>";
                    870: }
                    871:
3.12      knu       872: sub findLastModifiedSubdirs(@) {
3.1       knu       873:     my (@dirs) = @_;
                    874:     my ($dirname, @files);
                    875:
                    876:     foreach $dirname (@dirs) {
                    877:        next if ($dirname eq ".");
                    878:        next if ($dirname eq "..");
                    879:        my ($dir) = "$fullname/$dirname";
                    880:        next if (!-d $dir);
                    881:
                    882:        my ($lastmod) = undef;
                    883:        my ($lastmodtime) = undef;
                    884:        my $dh = do {local(*DH);};
                    885:
                    886:        opendir($dh,$dir) || next;
                    887:        my (@filenames) = readdir($dh);
                    888:        closedir($dh);
                    889:
                    890:        foreach my $filename (@filenames) {
                    891:            $filename = "$dirname/$filename";
                    892:            my ($file) = "$fullname/$filename";
                    893:            next if ($filename !~ /,v$/ || !-f $file);
                    894:            $filename =~ s/,v$//;
                    895:            my $modtime = -M $file;
                    896:            if (!defined($lastmod) || $modtime < $lastmodtime) {
                    897:                $lastmod = $filename;
                    898:                $lastmodtime = $modtime;
                    899:            }
                    900:        }
                    901:        push(@files, $lastmod) if (defined($lastmod));
                    902:     }
                    903:     return @files;
1.12      fenner    904: }
                    905:
3.12      knu       906: sub htmlify($;$) {
3.17      knu       907:        my($string, $extra) = @_;
1.12      fenner    908:
3.1       knu       909:        # Special Characters; RFC 1866
1.12      fenner    910:        $string =~ s/&/&amp;/g;
3.12      knu       911:        $string =~ s/\"/&quot;/g;
1.12      fenner    912:        $string =~ s/</&lt;/g;
                    913:        $string =~ s/>/&gt;/g;
                    914:
3.1       knu       915:        # get URL's as link ..
3.19      knu       916:        $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;    # `
3.1       knu       917:        # get e-mails as link
3.19      knu       918:        $string =~ s`([-a-zA-Z0-9_.]+@([-a-zA-Z0-9]+\.)+[A-Za-z]{2,4})`<A HREF="mailto:$1">$1</A>`g;    # `
3.1       knu       919:
3.17      knu       920:        if ($extra) {
                    921:            # get PR #'s as link ..
                    922:            if (defined($prcgi)) {
3.19      knu       923:                1 while $string =~ s`\b(pr[:#]?\s*(?:#?\d+[,\s]\s*)*#?)(\d+)\b`$1 . &link($2, sprintf($prcgi, $2))`ie; # `
                    924:                $string =~ s`\b${prcategories}/(\d+)\b`&link($&, sprintf($prcgi, $1))`igeo;     # `
3.17      knu       925:            }
                    926:
                    927:            # get manpage specs as link ..
                    928:            if (defined($mancgi)) {
3.19      knu       929:                $string =~ s`\b([a-zA-Z]\w+)\(([0-9n])\)\B`&link($&, sprintf($mancgi, $2, $1))`ge; # `
3.17      knu       930:            }
3.1       knu       931:        }
                    932:
                    933:        return $string;
                    934: }
                    935:
3.20      knu       936: sub spacedHtmlText($;$) {
3.12      knu       937:        local $_ = $_[0];
3.20      knu       938:        my $ts = $_[1] || $tabstop;
3.1       knu       939:
3.20      knu       940:        # Cut trailing spaces and tabs
                    941:        s/[ \t]+$//;
3.1       knu       942:
3.22      knu       943:         if (defined($ts)) {
3.20      knu       944:            # Expand tabs
                    945:            1 while s/\t+/' ' x (length($&) * $ts - length($`) % $ts)/e
                    946:        }
3.1       knu       947:
                    948:        # replace <tab> and <space> (\001 is to protect us from htmlify)
                    949:        # gzip can make excellent use of this repeating pattern :-)
                    950:        if ($hr_breakable) {
                    951:            # make every other space 'breakable'
3.12      knu       952:            s/  / \001nbsp;/g;                              # 2 * <space>
3.1       knu       953:            # leave single space as it is
3.20      knu       954:        } else {
3.12      knu       955:            s/ /\001nbsp;/g;
1.12      fenner    956:        }
                    957:
3.12      knu       958:        $_ = htmlify($_);
3.1       knu       959:
                    960:        # unescape
3.20      knu       961:        y/\001/&/;
3.1       knu       962:
3.12      knu       963:        return $_;
1.12      fenner    964: }
                    965:
3.12      knu       966: sub link($$) {
3.1       knu       967:        my($name, $where) = @_;
1.12      fenner    968:
3.1       knu       969:        return "<A HREF=\"$where\">$name</A>\n";
1.12      fenner    970: }
                    971:
3.12      knu       972: sub revcmp($$) {
3.1       knu       973:        my($rev1, $rev2) = @_;
3.15      knu       974:
                    975:        # make no comparison for a tag or a branch
                    976:        return 0 if $rev1 =~ /[^\d.]/ || $rev2 =~ /[^\d.]/;
                    977:
3.1       knu       978:        my(@r1) = split(/\./, $rev1);
                    979:        my(@r2) = split(/\./, $rev2);
                    980:        my($a,$b);
1.12      fenner    981:
                    982:        while (($a = shift(@r1)) && ($b = shift(@r2))) {
                    983:            if ($a != $b) {
                    984:                return $a <=> $b;
                    985:            }
                    986:        }
                    987:        if (@r1) { return 1; }
                    988:        if (@r2) { return -1; }
                    989:        return 0;
                    990: }
                    991:
3.12      knu       992: sub fatal($$) {
3.1       knu       993:        my($errcode, $errmsg) = @_;
3.3       knu       994:        if ($is_mod_perl) {
3.1       knu       995:                Apache->request->status((split(/ /, $errcode))[0]);
                    996:        }
                    997:        else {
3.4       knu       998:                print "Status: $errcode\r\n";
3.1       knu       999:        }
                   1000:        html_header("Error");
1.12      fenner   1001:        print "Error: $errmsg\n";
                   1002:        print &html_footer;
                   1003:        exit(1);
                   1004: }
                   1005:
3.12      knu      1006: sub redirect($) {
3.1       knu      1007:        my($url) = @_;
3.3       knu      1008:        if ($is_mod_perl) {
3.1       knu      1009:                Apache->request->status(301);
                   1010:                Apache->request->header_out(Location => $url);
                   1011:        }
                   1012:        else {
3.4       knu      1013:                print "Status: 301 Moved\r\n";
                   1014:                print "Location: $url\r\n";
3.1       knu      1015:        }
                   1016:        html_header("Moved");
1.12      fenner   1017:        print "This document is located <A HREF=$url>here</A>.\n";
                   1018:        print &html_footer;
                   1019:        exit(1);
                   1020: }
                   1021:
3.12      knu      1022: sub safeglob($) {
3.1       knu      1023:        my ($filename) = @_;
                   1024:        my ($dirname);
                   1025:        my (@results);
                   1026:        my $dh = do {local(*DH);};
1.12      fenner   1027:
                   1028:        ($dirname = $filename) =~ s|/[^/]+$||;
                   1029:        $filename =~ s|.*/||;
                   1030:
3.1       knu      1031:        if (opendir($dh, $dirname)) {
                   1032:                my $glob = $filename;
                   1033:                my $t;
1.12      fenner   1034:        #       transform filename from glob to regex.  Deal with:
                   1035:        #       [, {, ?, * as glob chars
                   1036:        #       make sure to escape all other regex chars
                   1037:                $glob =~ s/([\.\(\)\|\+])/\\$1/g;
                   1038:                $glob =~ s/\*/.*/g;
                   1039:                $glob =~ s/\?/./g;
                   1040:                $glob =~ s/{([^}]+)}/($t = $1) =~ s-,-|-g; "($t)"/eg;
3.1       knu      1041:                foreach (readdir($dh)) {
1.12      fenner   1042:                        if (/^${glob}$/) {
                   1043:                                push(@results, $dirname . "/" .$_);
                   1044:                        }
                   1045:                }
                   1046:        }
                   1047:
                   1048:        @results;
                   1049: }
                   1050:
3.12      knu      1051: sub getMimeTypeFromSuffix($) {
3.1       knu      1052:     my ($fullname) = @_;
                   1053:     my ($mimetype, $suffix);
                   1054:     my $fh = do {local(*FH);};
                   1055:
                   1056:     ($suffix = $fullname) =~ s/^.*\.([^.]*)$/$1/;
                   1057:     $mimetype = $MTYPES{$suffix};
                   1058:     $mimetype = $MTYPES{'*'} if (!$mimetype);
3.12      knu      1059:
3.1       knu      1060:     if (!$mimetype && -f $mime_types) {
                   1061:        # okey, this is something special - search the
                   1062:        # mime.types database
                   1063:        open ($fh, "<$mime_types");
                   1064:        while (<$fh>) {
                   1065:            if ($_ =~ /^\s*(\S+\/\S+).*\b$suffix\b/) {
                   1066:                $mimetype = $1;
                   1067:                last;
                   1068:            }
                   1069:        }
                   1070:        close ($fh);
                   1071:     }
3.12      knu      1072:
3.1       knu      1073: # okey, didn't find anything useful ..
                   1074:     if (!($mimetype =~ /\S\/\S/)) {
                   1075:        $mimetype = "text/plain";
                   1076:     }
                   1077:     return $mimetype;
                   1078: }
                   1079:
                   1080: ###############################
3.24      knu      1081: # read first lines like head(1)
                   1082: ###############################
                   1083: sub head($;$) {
                   1084:     my $fh = $_[0];
                   1085:     my $linecount = $_[1] || 10;
                   1086:
                   1087:     my @buf;
                   1088:
                   1089:     if ($linecount > 0) {
                   1090:        my $i;
                   1091:        for ($i = 0; !eof($fh) && $i < $linecount; $i++) {
                   1092:            push @buf, scalar <$fh>;
                   1093:        }
                   1094:     } else {
                   1095:        @buf = <$fh>;
                   1096:     }
                   1097:
                   1098:     @buf;
                   1099: }
                   1100:
                   1101: ###############################
                   1102: # scan vim and Emacs directives
                   1103: ###############################
                   1104: sub scan_directives(@) {
                   1105:     my $ts = undef;
                   1106:
                   1107:     for (@_) {
                   1108:        $ts = $1 if /\b(?:ts|tabstop|tab-width)[:=]\s*([1-9]\d*)\b/;
                   1109:     }
                   1110:
                   1111:     ('tabstop' => $ts);
                   1112: }
                   1113:
                   1114: ###############################
3.1       knu      1115: # show Annotation
                   1116: ###############################
3.12      knu      1117: sub doAnnotate($$) {
3.1       knu      1118:     my ($rev) = @_;
                   1119:     my ($pid);
                   1120:     my ($pathname, $filename);
                   1121:     my $reader = do {local(*FH);};
                   1122:     my $writer = do {local(*FH);};
                   1123:
                   1124:     # make sure the revisions a wellformed, for security
                   1125:     # reasons ..
3.15      knu      1126:     if ($rev =~ /[^\w.]/) {
3.1       knu      1127:        &fatal("404 Not Found",
3.3       knu      1128:                "Malformed query \"$ENV{QUERY_STRING}\"");
3.1       knu      1129:     }
1.12      fenner   1130:
3.1       knu      1131:     ($pathname = $where) =~ s/(Attic\/)?[^\/]*$//;
                   1132:     ($filename = $where) =~ s/^.*\///;
                   1133:
                   1134:     http_header();
                   1135:
3.12      knu      1136:     navigateHeader($scriptwhere,$pathname,$filename,$rev, "annotate");
3.1       knu      1137:     print "<h3 align=center>Annotation of $pathname$filename, Revision $rev</h3>\n";
                   1138:
                   1139:     # this seems to be necessary
                   1140:     $| = 1; $| = 0; # Flush
                   1141:
                   1142:     # this annotate version is based on the
                   1143:     # cvs annotate-demo Perl script by Cyclic Software
                   1144:     # It was written by Cyclic Software, http://www.cyclic.com/, and is in
                   1145:     # the public domain.
                   1146:     # we could abandon the use of rlog, rcsdiff and co using
                   1147:     # the cvsserver in a similiar way one day (..after rewrite)
3.12      knu      1148:     $pid = open2($reader, $writer, "cvs server") || fatal ("500 Internal Error",
3.1       knu      1149:                                                               "Fatal Error - unable to open cvs for annotation");
3.12      knu      1150:
3.1       knu      1151:     # OK, first send the request to the server.  A simplified example is:
                   1152:     #     Root /home/kingdon/zwork/cvsroot
                   1153:     #     Argument foo/xx
                   1154:     #     Directory foo
                   1155:     #     /home/kingdon/zwork/cvsroot/foo
                   1156:     #     Directory .
                   1157:     #     /home/kingdon/zwork/cvsroot
                   1158:     #     annotate
                   1159:     # although as you can see there are a few more details.
3.12      knu      1160:
3.1       knu      1161:     print $writer "Root $cvsroot\n";
                   1162:     print $writer "Valid-responses ok error Valid-requests Checked-in Updated Merged Removed M E\n";
                   1163:     # Don't worry about sending valid-requests, the server just needs to
                   1164:     # support "annotate" and if it doesn't, there isn't anything to be done.
                   1165:     print $writer "UseUnchanged\n";
                   1166:     print $writer "Argument -r\n";
                   1167:     print $writer "Argument $rev\n";
                   1168:     print $writer "Argument $where\n";
                   1169:
                   1170:     # The protocol requires us to fully fake a working directory (at
                   1171:     # least to the point of including the directories down to the one
                   1172:     # containing the file in question).
                   1173:     # So if $where is "dir/sdir/file", then @dirs will be ("dir","sdir","file")
3.3       knu      1174:     my @dirs = split('/', $where);
3.1       knu      1175:     my $path = "";
                   1176:     foreach (@dirs) {
                   1177:        if ($path eq "") {
                   1178:            # In our example, $_ is "dir".
                   1179:            $path = $_;
3.12      knu      1180:        }
3.1       knu      1181:        else {
3.3       knu      1182:            print $writer "Directory $path\n";
                   1183:            print $writer "$cvsroot/$path\n";
3.1       knu      1184:            # In our example, $_ is "sdir" and $path becomes "dir/sdir"
                   1185:            # And the next time, "file" and "dir/sdir/file" (which then gets
                   1186:            # ignored, because we don't need to send Directory for the file).
3.3       knu      1187:             $path .= "/$_";
3.1       knu      1188:        }
                   1189:     }
                   1190:     # And the last "Directory" before "annotate" is the top level.
                   1191:     print $writer "Directory .\n";
                   1192:     print $writer "$cvsroot\n";
3.12      knu      1193:
3.1       knu      1194:     print $writer "annotate\n";
                   1195:     # OK, we've sent our command to the server.  Thing to do is to
                   1196:     # close the writer side and get all the responses.  If "cvs server"
                   1197:     # were nicer about buffering, then we could just leave it open, I think.
                   1198:     close ($writer) || die "cannot close: $!";
3.12      knu      1199:
3.1       knu      1200:     # Ready to get the responses from the server.
                   1201:     # For example:
                   1202:     #     E Annotations for foo/xx
                   1203:     #     E ***************
3.12      knu      1204:     #     M 1.3          (kingdon  06-Sep-97): hello
3.1       knu      1205:     #     ok
                   1206:     my ($lineNr) = 0;
                   1207:     my ($oldLrev, $oldLusr) = ("", "");
                   1208:     my ($revprint, $usrprint);
                   1209:     if ($annTable) {
                   1210:        print "<table border=0 cellspacing=0 cellpadding=0>\n";
                   1211:     }
                   1212:     else {
                   1213:        print "<pre>";
                   1214:     }
3.24      knu      1215:
                   1216:     # prefetch several lines
                   1217:     my @buf = head($reader);
                   1218:
                   1219:     my %d = scan_directives(@buf);
                   1220:
                   1221:     while (@buf || !eof($reader)) {
                   1222:        $_ = @buf ? shift @buf : <$reader>;
                   1223:
3.1       knu      1224:        my @words = split;
                   1225:        # Adding one is for the (single) space which follows $words[0].
                   1226:        my $rest = substr ($_, length ($words[0]) + 1);
                   1227:        if ($words[0] eq "E") {
                   1228:            next;
                   1229:        }
                   1230:        elsif ($words[0] eq "M") {
                   1231:            $lineNr++;
                   1232:            my $lrev = substr ($_, 2, 13);
                   1233:            my $lusr = substr ($_, 16,  9);
                   1234:            my $line = substr ($_, 36);
                   1235:            # we should parse the date here ..
                   1236:            if ($lrev eq $oldLrev) {
                   1237:                $revprint = "             ";
                   1238:            }
                   1239:            else {
                   1240:                $revprint = $lrev; $oldLusr = "";
3.19      knu      1241:                $revprint =~ s`^(\S+)`<a href="${scriptwhere}${barequery}#rev$1">$1</A>`;       # `
3.1       knu      1242:            }
                   1243:            if ($lusr eq $oldLusr) {
                   1244:                $usrprint = "         ";
                   1245:            }
                   1246:            else {
                   1247:                $usrprint = $lusr;
                   1248:            }
                   1249:            $oldLrev = $lrev;
                   1250:            $oldLusr = $lusr;
                   1251:            # is there a less timeconsuming way to strip spaces ?
                   1252:            ($lrev = $lrev) =~ s/\s+//g;
3.3       knu      1253:            my $isCurrentRev = ($rev eq $lrev);
3.12      knu      1254:
3.1       knu      1255:            print "<b>" if ($isCurrentRev);
                   1256:            printf ("%8s%s%8s %4d:", $revprint, ($isCurrentRev ? "|" : " "), $usrprint, $lineNr);
3.24      knu      1257:            print spacedHtmlText($line, $d{'tabstop'});
3.1       knu      1258:            print "</b>" if ($isCurrentRev);
                   1259:        }
                   1260:        elsif ($words[0] eq "ok") {
                   1261:            # We could complain about any text received after this, like the
                   1262:            # CVS command line client.  But for simplicity, we don't.
                   1263:        }
                   1264:        elsif ($words[0] eq "error") {
                   1265:            fatal ("500 Internal Error", "Error occured during annotate: <b>$_</b>");
                   1266:        }
                   1267:     }
                   1268:     if ($annTable) {
                   1269:        print "</table>";
                   1270:     }
                   1271:     else {
                   1272:        print "</pre>";
                   1273:     }
                   1274:     close ($reader) || warn "cannot close: $!";
                   1275:     wait;
                   1276: }
                   1277:
                   1278: ###############################
                   1279: # make Checkout
                   1280: ###############################
3.12      knu      1281: sub doCheckout($$) {
3.1       knu      1282:     my ($fullname, $rev) = @_;
                   1283:     my ($mimetype,$revopt);
                   1284:     my $fh = do {local(*FH);};
                   1285:
3.15      knu      1286:     if ($rev eq 'HEAD' || $rev eq '.') {
                   1287:        $rev = undef;
                   1288:     }
                   1289:
3.1       knu      1290:     # make sure the revisions a wellformed, for security
                   1291:     # reasons ..
3.15      knu      1292:     if (defined($rev) && $rev =~ /[^\w.]/) {
3.1       knu      1293:        &fatal("404 Not Found",
3.3       knu      1294:                "Malformed query \"$ENV{QUERY_STRING}\"");
3.1       knu      1295:     }
                   1296:
                   1297:     # get mimetype
                   1298:     if (defined($input{"content-type"}) && ($input{"content-type"} =~ /\S\/\S/)) {
                   1299:        $mimetype = $input{"content-type"}
                   1300:     }
                   1301:     else {
                   1302:        $mimetype = &getMimeTypeFromSuffix($fullname);
                   1303:     }
                   1304:
                   1305:     if (defined($rev)) {
                   1306:        $revopt = "-r$rev";
                   1307:        if ($use_moddate) {
                   1308:            readLog($fullname,$rev);
                   1309:            $moddate=$date{$rev};
                   1310:        }
                   1311:     }
                   1312:     else {
                   1313:        $revopt = "-rHEAD";
                   1314:        if ($use_moddate) {
                   1315:            readLog($fullname);
                   1316:            $moddate=$date{$symrev{HEAD}};
                   1317:        }
                   1318:     }
3.12      knu      1319:
3.1       knu      1320:     ### just for the record:
                   1321:     ### 'cvs co' seems to have a bug regarding single checkout of
                   1322:     ### directories/files having spaces in it;
                   1323:     ### this is an issue that should be resolved on cvs's side
                   1324:     #
                   1325:     # Safely for a child process to read from.
                   1326:     if (! open($fh, "-|")) { # child
                   1327:       open(STDERR, ">&STDOUT"); # Redirect stderr to stdout
3.15      knu      1328:       exec("cvs", "-Rld", $cvsroot, "co", "-p", $revopt, $where);
3.12      knu      1329:     }
3.1       knu      1330: #===================================================================
                   1331: #Checking out squid/src/ftp.c
                   1332: #RCS:  /usr/src/CVS/squid/src/ftp.c,v
                   1333: #VERS: 1.1.1.28.6.2
                   1334: #***************
                   1335:
                   1336:     # Parse CVS header
                   1337:     my ($revision, $filename, $cvsheader);
                   1338:     while(<$fh>) {
                   1339:        last if (/^\*\*\*\*/);
                   1340:        $revision = $1 if (/^VERS: (.*)$/);
                   1341:        if (/^Checking out (.*)$/) {
                   1342:                $filename = $1;
                   1343:                $filename =~ s/^\.\/*//;
1.12      fenner   1344:        }
3.1       knu      1345:        $cvsheader .= $_;
                   1346:     }
                   1347:     if ($filename ne $where) {
                   1348:        &fatal("500 Internal Error",
                   1349:               "Unexpected output from cvs co: $cvsheader"
                   1350:               . "<p><b>Check whether the directory $cvsroot/CVSROOT exists "
                   1351:               . "and the script has write-access to the CVSROOT/history "
                   1352:               . "file if it exists."
                   1353:               . "<br>The script needs to place lock files in the "
                   1354:               . "directory the file is in as well.</b>");
                   1355:     }
                   1356:     $| = 1;
                   1357:
                   1358:     if ($mimetype eq "text/x-cvsweb-markup") {
                   1359:        &cvswebMarkup($fh,$fullname,$revision);
                   1360:     }
                   1361:     else {
                   1362:        http_header($mimetype);
                   1363:        print <$fh>;
                   1364:     }
                   1365:     close($fh);
                   1366: }
                   1367:
3.12      knu      1368: sub cvswebMarkup($$$) {
3.1       knu      1369:     my ($filehandle,$fullname,$revision) = @_;
                   1370:     my ($pathname, $filename);
                   1371:
                   1372:     ($pathname = $where) =~ s/(Attic\/)?[^\/]*$//;
                   1373:     ($filename = $where) =~ s/^.*\///;
                   1374:     my ($fileurl) = urlencode($filename);
                   1375:
                   1376:     http_header();
                   1377:
3.12      knu      1378:     navigateHeader($scriptwhere, $pathname, $filename, $revision, "view");
3.1       knu      1379:     print "<HR noshade>";
                   1380:     print "<table width=\"100%\"><tr><td bgcolor=\"$markupLogColor\">";
                   1381:     print "File: ", &clickablePath($where, 1);
                   1382:     print "&nbsp;";
                   1383:     &download_link(urlencode($fileurl), $revision, "(download)");
                   1384:     if (!$defaultTextPlain) {
                   1385:        print "&nbsp;";
3.12      knu      1386:        &download_link(urlencode($fileurl), $revision, "(as text)",
3.1       knu      1387:               "text/plain");
                   1388:     }
                   1389:     print "<BR>\n";
                   1390:     if ($show_log_in_markup) {
                   1391:        readLog($fullname); #,$revision);
                   1392:        printLog($revision,0);
                   1393:     }
                   1394:     else {
                   1395:        print "Version: <B>$revision</B><BR>\n";
                   1396:        print "Tag: <B>", $input{only_with_tag}, "</b><br>\n" if
                   1397:            $input{only_with_tag};
                   1398:     }
                   1399:     print "</td></tr></table>";
                   1400:     my $url = download_url($fileurl, $revision, $mimetype);
                   1401:     print "<HR noshade>";
                   1402:     if ($mimetype =~ /^image/) {
                   1403:        print "<IMG SRC=\"$url$barequery\"><BR>";
                   1404:     }
3.23      knu      1405:     elsif ($mimetype =~ m%^application/pdf%) {
                   1406:        print "<EMBED SRC=\"$url$barequery\" WIDTH=\"100%\"><BR>";
                   1407:     }
3.1       knu      1408:     else {
                   1409:        print "<PRE>";
3.24      knu      1410:
                   1411:        # prefetch several lines
                   1412:        my @buf = head($filehandle);
                   1413:
                   1414:        my %d = scan_directives(@buf);
                   1415:
                   1416:        while (@buf || !eof($filehandle)) {
                   1417:            $_ = @buf ? shift @buf : <$filehandle>;
                   1418:
                   1419:            print spacedHtmlText($_, $d{'tabstop'});
1.12      fenner   1420:        }
3.1       knu      1421:        print "</PRE>";
                   1422:     }
1.12      fenner   1423: }
                   1424:
3.1       knu      1425: sub viewable($) {
                   1426:     my ($mimetype) = @_;
                   1427:
3.23      knu      1428:     $mimetype =~ m%^((text|image)/|application/pdf)% ;
3.1       knu      1429: }
                   1430:
                   1431: ###############################
                   1432: # Show Colored Diff
                   1433: ###############################
3.12      knu      1434: sub doDiff($$$$$$) {
3.1       knu      1435:        my($fullname, $r1, $tr1, $r2, $tr2, $f) = @_;
                   1436:         my $fh = do {local(*FH);};
                   1437:        my ($rev1, $rev2, $sym1, $sym2, @difftype, $diffname, $f1, $f2);
1.12      fenner   1438:
                   1439:        if ($r1 =~ /([^:]+)(:(.+))?/) {
                   1440:            $rev1 = $1;
                   1441:            $sym1 = $3;
                   1442:        }
3.1       knu      1443:        if ($r1 eq 'text') {
1.12      fenner   1444:            $rev1 = $tr1;
3.1       knu      1445:            $sym1 = "";
1.12      fenner   1446:        }
                   1447:        if ($r2 =~ /([^:]+)(:(.+))?/) {
                   1448:            $rev2 = $1;
                   1449:            $sym2 = $3;
                   1450:        }
3.1       knu      1451:        if ($r2 eq 'text') {
1.12      fenner   1452:            $rev2 = $tr2;
3.1       knu      1453:            $sym2 = "";
1.12      fenner   1454:        }
3.15      knu      1455:
3.1       knu      1456:        # make sure the revisions a wellformed, for security
                   1457:        # reasons ..
3.15      knu      1458:        if ($rev1 =~ /[^\w.]/ || $rev2 =~ /[^\w.]/) {
1.12      fenner   1459:            &fatal("404 Not Found",
3.3       knu      1460:                    "Malformed query \"$ENV{QUERY_STRING}\"");
1.12      fenner   1461:        }
                   1462: #
                   1463: # rev1 and rev2 are now both numeric revisions.
                   1464: # Thus we do a DWIM here and swap them if rev1 is after rev2.
                   1465: # XXX should we warn about the fact that we do this?
                   1466:        if (&revcmp($rev1,$rev2) > 0) {
3.1       knu      1467:            my ($tmp1, $tmp2) = ($rev1, $sym1);
1.12      fenner   1468:            ($rev1, $sym1) = ($rev2, $sym2);
                   1469:            ($rev2, $sym2) = ($tmp1, $tmp2);
                   1470:        }
3.1       knu      1471:        my $human_readable = 0;
1.12      fenner   1472:        if ($f eq 'c') {
3.1       knu      1473:            @difftype = qw{-c};
1.12      fenner   1474:            $diffname = "Context diff";
3.1       knu      1475:        }
                   1476:        elsif ($f eq 's') {
                   1477:            @difftype = qw{--side-by-side --width=164};
1.12      fenner   1478:            $diffname = "Side by Side";
3.1       knu      1479:        }
                   1480:        elsif ($f eq 'H') {
                   1481:            $human_readable = 1;
                   1482:            @difftype = qw{--unified=15};
                   1483:            $diffname = "Long Human readable";
                   1484:        }
                   1485:        elsif ($f eq 'h') {
                   1486:            @difftype =qw{-u};
                   1487:            $human_readable = 1;
                   1488:            $diffname = "Human readable";
                   1489:        }
                   1490:        elsif ($f eq 'u') {
                   1491:            @difftype = qw{-u};
1.12      fenner   1492:            $diffname = "Unidiff";
                   1493:        }
3.1       knu      1494:        else {
                   1495:            fatal ("400 Bad arguments", "Diff format $f not understood");
                   1496:        }
                   1497:
                   1498:        # apply special options
3.3       knu      1499:        if ($showfunc) {
3.15      knu      1500:            push @difftype, '-p' if $f =~ /^[cHhu]$/;
3.1       knu      1501:
3.3       knu      1502:            my($re1, $re2);
3.1       knu      1503:
3.3       knu      1504:            while (($re1, $re2) = each %funcline_regexp) {
                   1505:                if ($fullname =~ /$re1/) {
                   1506:                    push @difftype, '-F', '$re2';
                   1507:                    last;
3.1       knu      1508:                }
                   1509:            }
3.3       knu      1510:        }
                   1511:        if ($human_readable) {
3.1       knu      1512:            if ($hr_ignwhite) {
                   1513:                push @difftype, '-w';
                   1514:            }
                   1515:            if ($hr_ignkeysubst) {
                   1516:                push @difftype, '-kk';
                   1517:            }
                   1518:        }
                   1519:        if (! open($fh, "-|")) { # child
3.3       knu      1520:            open(STDERR, ">&STDOUT"); # Redirect stderr to stdout
                   1521:            exec("rcsdiff",@difftype,"-r$rev1","-r$rev2",$fullname);
3.1       knu      1522:        }
                   1523:        if ($human_readable) {
                   1524:            http_header();
                   1525:            &human_readable_diff($fh, $rev2);
3.25    ! knu      1526:            gzipclose();
3.1       knu      1527:            exit;
                   1528:        }
                   1529:        else {
                   1530:            http_header("text/plain");
1.44      knu      1531:        }
1.12      fenner   1532: #
                   1533: #===================================================================
                   1534: #RCS file: /home/ncvs/src/sys/netinet/tcp_output.c,v
                   1535: #retrieving revision 1.16
                   1536: #retrieving revision 1.17
                   1537: #diff -c -r1.16 -r1.17
                   1538: #*** /home/ncvs/src/sys/netinet/tcp_output.c     1995/11/03 22:08:08     1.16
                   1539: #--- /home/ncvs/src/sys/netinet/tcp_output.c     1995/12/05 17:46:35     1.17
                   1540: #
                   1541: # Ideas:
                   1542: # - nuke the stderr output if it's what we expect it to be
                   1543: # - Add "no differences found" if the diff command supplied no output.
                   1544: #
                   1545: #*** src/sys/netinet/tcp_output.c     1995/11/03 22:08:08     1.16
                   1546: #--- src/sys/netinet/tcp_output.c     1995/12/05 17:46:35     1.17 RELENG_2_1_0
                   1547: # (bogus example, but...)
                   1548: #
3.1       knu      1549:        if (grep { $_ eq '-u'} @difftype) {
1.12      fenner   1550:            $f1 = '---';
                   1551:            $f2 = '\+\+\+';
3.1       knu      1552:        }
                   1553:        else {
1.12      fenner   1554:            $f1 = '\*\*\*';
                   1555:            $f2 = '---';
                   1556:        }
3.1       knu      1557:        while (<$fh>) {
1.12      fenner   1558:            if (m|^$f1 $cvsroot|o) {
                   1559:                s|$cvsroot/||o;
                   1560:                if ($sym1) {
                   1561:                    chop;
                   1562:                    $_ .= " " . $sym1 . "\n";
                   1563:                }
3.1       knu      1564:            }
                   1565:            elsif (m|^$f2 $cvsroot|o) {
1.12      fenner   1566:                s|$cvsroot/||o;
                   1567:                if ($sym2) {
                   1568:                    chop;
                   1569:                    $_ .= " " . $sym2 . "\n";
                   1570:                }
                   1571:            }
                   1572:            print $_;
                   1573:        }
3.1       knu      1574:        close($fh);
1.12      fenner   1575: }
                   1576:
3.1       knu      1577: ###############################
                   1578: # Show Logs ..
                   1579: ###############################
3.12      knu      1580: sub getDirLogs($$@) {
3.1       knu      1581:     my ($cvsroot,$dirname,@otherFiles) = @_;
                   1582:     my ($state,$otherFiles,$tag, $file, $date, $branchpoint, $branch, $log);
                   1583:     my ($rev, $revision, $revwanted, $filename, $head, $author);
                   1584:
                   1585:     $tag = $input{only_with_tag};
                   1586:
                   1587:     my ($DirName) = "$cvsroot/$where";
                   1588:     my (@files, @filetags);
                   1589:     my $fh = do {local(*FH);};
                   1590:
                   1591:     push(@files, &safeglob("$DirName/*,v"));
                   1592:     push(@files, &safeglob("$DirName/Attic/*,v")) if (!$input{'hideattic'});
                   1593:     foreach $file (@otherFiles) {
                   1594:        push(@files, "$DirName/$file");
                   1595:     }
                   1596:
                   1597:     # just execute rlog if there are any files
3.12      knu      1598:     if ($#files < 0) {
3.1       knu      1599:        return;
                   1600:     }
                   1601:
                   1602:     if ($tag) {
                   1603:        #can't use -r<tag> as - is allowed in tagnames, but misinterpreated by rlog..
                   1604:        if (! open($fh, "-|")) {
3.7       knu      1605:                open(STDERR, '>/dev/null'); # rlog may complain; ignore.
                   1606:                exec('rlog', @files);
3.1       knu      1607:        }
                   1608:     }
                   1609:     else {
                   1610:        my $kidpid = open($fh, "-|");
                   1611:        if (! $kidpid) {
3.4       knu      1612:                open(STDERR, '>/dev/null'); # rlog may complain; ignore.
3.7       knu      1613:                exec('rlog', '-r', @files);
3.1       knu      1614:        }
                   1615:     }
                   1616:     $state = "start";
                   1617:     while (<$fh>) {
                   1618:        if ($state eq "start") {
                   1619:            #Next file. Initialize file variables
                   1620:            $rev = undef;
                   1621:            $revwanted = undef;
                   1622:            $branch = undef;
                   1623:            $branchpoint = undef;
                   1624:            $filename = undef;
                   1625:            $log = undef;
                   1626:            $revision = undef;
                   1627:            $branch = undef;
                   1628:            %symrev = ();
                   1629:            @filetags = ();
                   1630:            #jump to head state
                   1631:            $state = "head";
                   1632:        }
                   1633:        print "$state:$_" if ($verbose);
                   1634: again:
                   1635:        if ($state eq "head") {
                   1636:            #$rcsfile = $1 if (/^RCS file: (.+)$/); #not used (yet)
                   1637:            $filename = $1 if (/^Working file: (.+)$/);
                   1638:            $head = $1 if (/^head: (.+)$/);
                   1639:            $branch = $1 if (/^branch: (.+)$/);
                   1640:        }
                   1641:        if ($state eq "head" && /^symbolic names/) {
                   1642:            $state = "tags";
3.12      knu      1643:            ($branch = $head) =~ s/\.\d+$// if (!defined($branch));
3.1       knu      1644:            $branch =~ s/(\.?)(\d+)$/${1}0.$2/;
                   1645:            $symrev{MAIN} = $branch;
                   1646:            $symrev{HEAD} = $branch;
                   1647:            $alltags{MAIN} = 1;
                   1648:            $alltags{HEAD} = 1;
                   1649:            push (@filetags, "MAIN", "HEAD");
                   1650:            next;
                   1651:        }
                   1652:        if ($state eq "tags" &&
                   1653:                            /^\s+(.+):\s+([\d\.]+)\s+$/) {
                   1654:            push (@filetags, $1);
                   1655:            $symrev{$1} = $2;
                   1656:            $alltags{$1} = 1;
                   1657:            next;
                   1658:        }
                   1659:        if ($state eq "tags" && /^\S/) {
                   1660:            if (defined($tag) && (defined($symrev{$tag}) || $tag eq "HEAD")) {
                   1661:                $revwanted = $tag eq "HEAD" ? $symrev{"MAIN"} : $symrev{$tag};
                   1662:                ($branch = $revwanted) =~ s/\b0\.//;
                   1663:                ($branchpoint = $branch) =~ s/\.?\d+$//;
                   1664:                $revwanted = undef if ($revwanted ne $branch);
                   1665:            }
                   1666:            elsif (defined($tag) && $tag ne "HEAD") {
                   1667:                print "Tag not found, skip this file" if ($verbose);
                   1668:                $state = "skip";
                   1669:                next;
                   1670:            }
                   1671:            foreach my $tagfound (@filetags) {
                   1672:                $tags{$tagfound} = 1;
                   1673:            }
                   1674:            $state = "head";
                   1675:            goto again;
                   1676:        }
                   1677:        if ($state eq "head" && /^----------------------------$/) {
                   1678:            $state = "log";
                   1679:            $rev = undef;
                   1680:            $date = undef;
                   1681:            $log = "";
                   1682:            # Try to reconstruct the relative filename if RCS spits out a full path
                   1683:            $filename =~ s%^\Q$DirName\E/%%;
                   1684:            next;
                   1685:        }
                   1686:        if ($state eq "log") {
                   1687:            if (/^----------------------------$/
                   1688:                || /^=============================/) {
                   1689:                # End of a log entry.
                   1690:                my $revbranch;
                   1691:                ($revbranch = $rev) =~ s/\.\d+$//;
                   1692:                print "$filename $rev Wanted: $revwanted "
                   1693:                    . "Revbranch: $revbranch Branch: $branch "
                   1694:                    . "Branchpoint: $branchpoint\n" if ($verbose);
                   1695:                if (!defined($revwanted) && defined($branch)
                   1696:                    && $branch eq $revbranch || !defined($tag)) {
                   1697:                    print "File revision $rev found for branch $branch\n"
                   1698:                        if ($verbose);
                   1699:                    $revwanted = $rev;
                   1700:                }
                   1701:                if (defined($revwanted) ? $rev eq $revwanted :
                   1702:                    defined($branchpoint) ? $rev eq $branchpoint :
                   1703:                    0 && ($rev eq $head)) { # Don't think head is needed here..
                   1704:                    print "File info $rev found for $filename\n" if ($verbose);
                   1705:                    my @finfo = ($rev,$date,$log,$author,$filename);
                   1706:                    my ($name);
                   1707:                    ($name = $filename) =~ s%/.*%%;
                   1708:                    $fileinfo{$name} = [ @finfo ];
                   1709:                    $state = "done" if ($rev eq $revwanted);
                   1710:                }
                   1711:                $rev = undef;
                   1712:                $date = undef;
                   1713:                $log = "";
                   1714:            }
                   1715:            elsif (!defined($date) && m|^date:\s+(\d+)/(\d+)/(\d+)\s+(\d+):(\d+):(\d+);|) {
                   1716:                my $yr = $1;
                   1717:                # damn 2-digit year routines :-)
                   1718:                if ($yr > 100) {
                   1719:                    $yr -= 1900;
                   1720:                }
                   1721:                $date = &Time::Local::timegm($6,$5,$4,$3,$2 - 1,$yr);
                   1722:                ($author) = /author: ([^;]+)/;
                   1723:                $state = "log";
                   1724:                $log = '';
                   1725:                next;
                   1726:            }
                   1727:            elsif (!defined($rev) && m/^revision (.*)$/) {
                   1728:                $rev = $1;
                   1729:                next;
                   1730:            }
                   1731:            else {
                   1732:                $log = $log . $_;
                   1733:            }
                   1734:        }
                   1735:        if (/^===============/) {
                   1736:            $state = "start";
                   1737:            next;
                   1738:        }
                   1739:     }
                   1740:     if ($. == 0) {
3.12      knu      1741:        fatal("500 Internal Error",
3.1       knu      1742:              "Failed to spawn GNU rlog on <em>'".join(", ", @files)."'</em><p>did you set the <b>\$ENV{PATH}</b> in your configuration file correctly ?");
                   1743:     }
                   1744:     close($fh);
                   1745: }
                   1746:
3.12      knu      1747: sub readLog($;$) {
3.1       knu      1748:        my($fullname,$revision) = @_;
                   1749:        my ($symnames, $head, $rev, $br, $brp, $branch, $branchrev);
                   1750:        my $fh = do {local(*FH);};
                   1751:
                   1752:        if (defined($revision)) {
                   1753:            $revision = "-r$revision";
                   1754:        }
                   1755:        else {
                   1756:            $revision = "";
                   1757:        }
                   1758:
                   1759:        undef %symrev;
                   1760:        undef %revsym;
                   1761:        undef @allrevisions;
                   1762:        undef %date;
                   1763:        undef %author;
                   1764:        undef %state;
                   1765:        undef %difflines;
                   1766:        undef %log;
1.12      fenner   1767:
                   1768:        print("Going to rlog '$fullname'\n") if ($verbose);
3.1       knu      1769:        if (! open($fh, "-|")) { # child
                   1770:                if ($revision ne '') {
                   1771:                        exec("rlog",$revision,$fullname);
                   1772:                }
                   1773:                else {
                   1774:                        exec("rlog",$fullname);
                   1775:                }
1.44      knu      1776:        }
3.1       knu      1777:        while (<$fh>) {
1.1       jfieber  1778:            print if ($verbose);
                   1779:            if ($symnames) {
                   1780:                if (/^\s+([^:]+):\s+([\d\.]+)/) {
                   1781:                    $symrev{$1} = $2;
3.1       knu      1782:                }
                   1783:                else {
1.1       jfieber  1784:                    $symnames = 0;
                   1785:                }
3.1       knu      1786:            }
                   1787:            elsif (/^head:\s+([\d\.]+)/) {
                   1788:                $head = $1;
                   1789:            }
                   1790:            elsif (/^branch:\s+([\d\.]+)/) {
                   1791:                $curbranch = $1;
                   1792:            }
                   1793:            elsif (/^symbolic names/) {
1.1       jfieber  1794:                $symnames = 1;
3.1       knu      1795:            }
                   1796:            elsif (/^-----/) {
1.1       jfieber  1797:                last;
                   1798:            }
                   1799:        }
3.1       knu      1800:        ($curbranch = $head) =~ s/\.\d+$// if (!defined($curbranch));
1.7       fenner   1801:
1.1       jfieber  1802: # each log entry is of the form:
                   1803: # ----------------------------
                   1804: # revision 3.7.1.1
                   1805: # date: 1995/11/29 22:15:52;  author: fenner;  state: Exp;  lines: +5 -3
                   1806: # log info
                   1807: # ----------------------------
                   1808:        logentry:
                   1809:        while (!/^=========/) {
3.1       knu      1810:            $_ = <$fh>;
1.12      fenner   1811:            last logentry if (!defined($_));    # EOF
1.1       jfieber  1812:            print "R:", $_ if ($verbose);
                   1813:            if (/^revision ([\d\.]+)/) {
                   1814:                $rev = $1;
3.1       knu      1815:                unshift(@allrevisions,$rev);
                   1816:            }
                   1817:            elsif (/^========/ || /^----------------------------$/) {
1.1       jfieber  1818:                next logentry;
3.1       knu      1819:            }
                   1820:            else {
1.12      fenner   1821:                # The rlog output is syntactically ambiguous.  We must
                   1822:                # have guessed wrong about where the end of the last log
                   1823:                # message was.
                   1824:                # Since this is likely to happen when people put rlog output
                   1825:                # in their commit messages, don't even bother keeping
                   1826:                # these lines since we don't know what revision they go with
                   1827:                # any more.
                   1828:                next logentry;
                   1829: #              &fatal("500 Internal Error","Error parsing RCS output: $_");
1.1       jfieber  1830:            }
3.1       knu      1831:            $_ = <$fh>;
1.1       jfieber  1832:            print "D:", $_ if ($verbose);
3.1       knu      1833:            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+-]+))?|) {
                   1834:                my $yr = $1;
                   1835:                 # damn 2-digit year routines :-)
                   1836:                 if ($yr > 100) {
                   1837:                     $yr -= 1900;
                   1838:                 }
                   1839:                $date{$rev} = &Time::Local::timegm($6,$5,$4,$3,$2 - 1,$yr);
1.1       jfieber  1840:                $author{$rev} = $7;
1.9       fenner   1841:                $state{$rev} = $8;
3.1       knu      1842:                $difflines{$rev} = $10;
                   1843:            }
                   1844:            else {
1.1       jfieber  1845:                &fatal("500 Internal Error", "Error parsing RCS output: $_");
                   1846:            }
                   1847:            line:
3.1       knu      1848:            while (<$fh>) {
1.1       jfieber  1849:                print "L:", $_ if ($verbose);
                   1850:                next line if (/^branches:\s/);
                   1851:                last line if (/^----------------------------$/ || /^=========/);
                   1852:                $log{$rev} .= $_;
                   1853:            }
                   1854:            print "E:", $_ if ($verbose);
                   1855:        }
3.1       knu      1856:        close($fh);
1.1       jfieber  1857:        print "Done reading RCS file\n" if ($verbose);
3.1       knu      1858:
                   1859:        @revorder = reverse sort {revcmp($a,$b)} @allrevisions;
                   1860:        print "Done sorting revisions",join(" ",@revorder),"\n" if ($verbose);
                   1861:
1.1       jfieber  1862: #
                   1863: # HEAD is an artificial tag which is simply the highest tag number on the main
1.8       fenner   1864: # branch, unless there is a branch tag in the RCS file in which case it's the
                   1865: # highest revision on that branch.  Find it by looking through @revorder; it
                   1866: # is the first commit listed on the appropriate branch.
3.1       knu      1867: # This is not neccesary the same revision as marked as head in the RCS file.
                   1868:        my $headrev = $curbranch || "1";
                   1869:        ($symrev{"MAIN"} = $headrev) =~ s/(\.?)(\d+)$/${1}0.$2/;
1.1       jfieber  1870:        revision:
3.1       knu      1871:        foreach $rev (@revorder) {
                   1872:            if ($rev =~ /^(\S*)\.\d+$/ && $headrev eq $1) {
                   1873:                $symrev{"HEAD"} = $rev;
1.1       jfieber  1874:                last revision;
                   1875:            }
                   1876:        }
3.1       knu      1877:        ($symrev{"HEAD"} = $headrev) =~ s/\.\d+$//
                   1878:             if (!defined($symrev{"HEAD"}));
1.1       jfieber  1879:        print "Done finding HEAD\n" if ($verbose);
                   1880: #
                   1881: # Now that we know all of the revision numbers, we can associate
                   1882: # absolute revision numbers with all of the symbolic names, and
                   1883: # pass them to the form so that the same association doesn't have
                   1884: # to be built then.
                   1885: #
3.1       knu      1886:        undef @branchnames;
                   1887:        undef %branchpoint;
                   1888:        undef $sel;
                   1889:
                   1890:        foreach (reverse sort keys %symrev) {
1.1       jfieber  1891:            $rev = $symrev{$_};
3.1       knu      1892:            if ($rev =~ /^((.*)\.)?\b0\.(\d+)$/) {
1.7       fenner   1893:                push(@branchnames, $_);
1.1       jfieber  1894:                #
                   1895:                # A revision number of A.B.0.D really translates into
                   1896:                # "the highest current revision on branch A.B.D".
                   1897:                #
                   1898:                # If there is no branch A.B.D, then it translates into
                   1899:                # the head A.B .
                   1900:                #
3.1       knu      1901:                # This reasoning also applies to the main branch A.B,
                   1902:                # with the branch number 0.A, with the exception that
                   1903:                # it has no head to translate to if there is nothing on
                   1904:                # the branch, but I guess this can never happen?
                   1905:                # (the code below gracefully forgets about the branch
                   1906:                # if it should happen)
                   1907:                #
                   1908:                $head = defined($2) ? $2 : "";
1.1       jfieber  1909:                $branch = $3;
3.1       knu      1910:                $branchrev = $head . ($head ne "" ? "." : "") . $branch;
                   1911:                my $regex;
                   1912:                ($regex = $branchrev) =~ s/\./\\./g;
1.1       jfieber  1913:                $rev = $head;
                   1914:
                   1915:                revision:
3.1       knu      1916:                foreach my $r (@revorder) {
                   1917:                    if ($r =~ /^${regex}\b/) {
                   1918:                        $rev = $branchrev;
1.1       jfieber  1919:                        last revision;
                   1920:                    }
                   1921:                }
3.1       knu      1922:                next if ($rev eq "");
                   1923:                if ($rev ne $head && $head ne "") {
1.8       fenner   1924:                    $branchpoint{$head} .= ", " if ($branchpoint{$head});
                   1925:                    $branchpoint{$head} .= $_;
                   1926:                }
1.1       jfieber  1927:            }
3.1       knu      1928:            $revsym{$rev} .= ", " if ($revsym{$rev});
                   1929:            $revsym{$rev} .= $_;
1.1       jfieber  1930:            $sel .= "<OPTION VALUE=\"${rev}:${_}\">$_\n";
                   1931:        }
                   1932:        print "Done associating revisions with branches\n" if ($verbose);
3.1       knu      1933:
                   1934:        my ($onlyonbranch, $onlybranchpoint);
                   1935:        if ($onlyonbranch = $input{'only_with_tag'}) {
                   1936:            $onlyonbranch = $symrev{$onlyonbranch};
                   1937:            if ($onlyonbranch =~ s/\b0\.//) {
                   1938:                ($onlybranchpoint = $onlyonbranch) =~ s/\.\d+$//;
                   1939:            }
                   1940:             else {
                   1941:                $onlybranchpoint = $onlyonbranch;
                   1942:            }
                   1943:            if (!defined($onlyonbranch) || $onlybranchpoint eq "") {
                   1944:                fatal("404 Tag not found","Tag $input{'only_with_tag'} not defined");
                   1945:            }
1.8       fenner   1946:        }
1.1       jfieber  1947:
3.1       knu      1948:        undef @revisions;
                   1949:
                   1950:        foreach (@allrevisions) {
1.7       fenner   1951:            ($br = $_) =~ s/\.\d+$//;
3.1       knu      1952:            ($brp = $br) =~ s/\.\d+$//;
1.7       fenner   1953:            next if ($onlyonbranch && $br ne $onlyonbranch &&
3.1       knu      1954:                                        $_ ne $onlybranchpoint);
                   1955:            unshift(@revisions,$_);
                   1956:        }
                   1957:
                   1958:        if ($logsort eq "date") {
                   1959:            # Sort the revisions in commit order an secondary sort on revision
                   1960:            # (secondary sort needed for imported sources, or the first main
                   1961:            # revision gets before the same revision on the 1.1.1 branch)
                   1962:            @revdisplayorder = sort {$date{$b} <=> $date{$a} || -revcmp($a, $b)} @revisions;
                   1963:        }
                   1964:         elsif ($logsort eq "rev") {
                   1965:            # Sort the revisions in revision order, highest first
                   1966:            @revdisplayorder = reverse sort {revcmp($a,$b)} @revisions;
                   1967:        }
                   1968:         else {
                   1969:            # No sorting. Present in the same order as rlog / cvs log
                   1970:            @revdisplayorder = @revisions;
                   1971:        }
                   1972:
                   1973: }
                   1974:
                   1975: sub printLog($;$) {
                   1976:        my ($link, $br, $brp);
                   1977:        ($_,$link) = @_;
                   1978:        ($br = $_) =~ s/\.\d+$//;
                   1979:        ($brp = $br) =~ s/\.?\d+$//;
                   1980:        my ($isDead, $prev);
                   1981:
                   1982:        $link = 1 if (!defined($link));
                   1983:        $isDead = ($state{$_} eq "dead");
                   1984:
                   1985:        if ($link && !$isDead) {
                   1986:            my ($filename);
                   1987:            ($filename = $where) =~ s/^.*\///;
                   1988:            my ($fileurl) = urlencode($filename);
1.4       fenner   1989:            print "<a NAME=\"rev$_\"></a>";
3.1       knu      1990:            if (defined($revsym{$_})) {
                   1991:                foreach my $sym (split(", ", $revsym{$_})) {
                   1992:                    print "<a NAME=\"$sym\"></a>";
                   1993:                }
1.4       fenner   1994:            }
3.1       knu      1995:            if (defined($revsym{$br}) && $revsym{$br} && !defined($nameprinted{$br})) {
                   1996:                foreach my $sym (split(", ", $revsym{$br})) {
1.4       fenner   1997:                    print "<a NAME=\"$sym\"></a>";
                   1998:                }
3.1       knu      1999:                $nameprinted{$br} = 1;
1.4       fenner   2000:            }
3.1       knu      2001:            print "\n Revision ";
                   2002:            &download_link($fileurl, $_, $_,
                   2003:                $defaultViewable ? "text/x-cvsweb-markup" : undef);
                   2004:            if ($defaultViewable) {
                   2005:                print " / ";
                   2006:                &download_link($fileurl, $_, "(download)", $mimetype);
                   2007:            }
                   2008:            if (not $defaultTextPlain) {
                   2009:                print " / ";
3.12      knu      2010:                &download_link($fileurl, $_, "(as text)",
3.1       knu      2011:                           "text/plain");
                   2012:            }
                   2013:            if (!$defaultViewable) {
                   2014:                print " / ";
                   2015:                &download_link($fileurl, $_, "(view)", "text/x-cvsweb-markup");
                   2016:            }
                   2017:            if ($allow_annotate) {
                   2018:                print " - <a href=\"" . $scriptname . "/" . urlencode($where) . "?annotate=$_$barequery\">";
                   2019:                print "annotate</a>";
                   2020:            }
                   2021:            # Plus a select link if enabled, and this version isn't selected
                   2022:            if ($allow_version_select) {
                   2023:                if ((!defined($input{"r1"}) || $input{"r1"} ne $_)) {
                   2024:                    print " - <A HREF=\"${scriptwhere}?r1=$_$barequery" .
                   2025:                        "\">[select for diffs]</A>\n";
                   2026:                }
                   2027:                else {
                   2028:                    print " - <b>[selected]</b>";
                   2029:                }
                   2030:            }
                   2031:        }
                   2032:        else {
                   2033:            print "Revision <B>$_</B>";
                   2034:        }
                   2035:        if (/^1\.1\.1\.\d+$/) {
                   2036:            print " <i>(vendor branch)</i>";
                   2037:        }
                   2038:        if (defined @mytz) {
                   2039:            my ($est) = $mytz[(localtime($date{$_}))[8]];
                   2040:            print ", <i>" . scalar localtime($date{$_}) . " $est</i> (";
                   2041:        } else {
                   2042:            print ", <i>" . scalar gmtime($date{$_}) . " UTC</i> (";
                   2043:        }
                   2044:        print readableTime(time() - $date{$_},1) . " ago)";
                   2045:        print " by ";
                   2046:        print "<i>" . $author{$_} . "</i>\n";
                   2047:        print "<BR>Branch: <b>",$link?link_tags($revsym{$br}):$revsym{$br},"</b>\n"
                   2048:            if ($revsym{$br});
                   2049:        print "<BR>CVS Tags: <b>",$link?link_tags($revsym{$_}):$revsym{$_},"</b>"
                   2050:            if ($revsym{$_});
                   2051:        print "<BR>Branch point for: <b>",$link?link_tags($branchpoint{$_}):$branchpoint{$_},"</b>\n"
                   2052:            if ($branchpoint{$_});
                   2053:        # Find the previous revision
                   2054:        my @prevrev = split(/\./, $_);
                   2055:        do {
                   2056:            if (--$prevrev[$#prevrev] <= 0) {
1.1       jfieber  2057:                # If it was X.Y.Z.1, just make it X.Y
3.1       knu      2058:                pop(@prevrev);
                   2059:                pop(@prevrev);
                   2060:            }
                   2061:            $prev = join(".", @prevrev);
                   2062:        } until (defined($date{$prev}) || $prev eq "");
                   2063:        if ($prev ne "") {
                   2064:            if ($difflines{$_}) {
                   2065:                print "<BR>Changes since <b>$prev: $difflines{$_} lines</b>";
                   2066:            }
                   2067:        }
                   2068:        if ($isDead) {
                   2069:            print "<BR><B><I>FILE REMOVED</I></B>\n";
                   2070:        }
                   2071:        elsif ($link) {
                   2072:            my %diffrev = ();
                   2073:            $diffrev{$_} = 1;
                   2074:            $diffrev{""} = 1;
                   2075:            print "<BR>Diff";
                   2076:            #
                   2077:            # Offer diff to previous revision
                   2078:            if ($prev) {
                   2079:                $diffrev{$prev} = 1;
                   2080:                print " to previous <A HREF=\"${scriptwhere}.diff?r1=$prev";
                   2081:                print "&amp;r2=$_" . $barequery . "\">$prev</A>\n";
                   2082:                if (!$hr_default) { # offer a human readable version if not default
                   2083:                    print "(<A HREF=\"${scriptwhere}.diff?r1=$prev";
                   2084:                    print "&amp;r2=$_" . $barequery . "&amp;f=h\">colored</A>)\n";
                   2085:                }
                   2086:            }
                   2087:            #
                   2088:            # Plus, if it's on a branch, and it's not a vendor branch,
                   2089:            # offer a diff with the branch point.
                   2090:            if ($revsym{$brp} && !/^1\.1\.1\.\d+$/ && !defined($diffrev{$brp})) {
                   2091:                print " to branchpoint <A HREF=\"${scriptwhere}.diff?r1=$brp";
                   2092:                print "&amp;r2=$_" . $barequery . "\">$brp</A>\n";
                   2093:                if (!$hr_default) { # offer a human readable version if not default
                   2094:                print "(<A HREF=\"${scriptwhere}.diff?r1=$brp";
                   2095:                print "&amp;r2=$_" . $barequery . "&amp;f=h\">colored</A>)\n";
1.1       jfieber  2096:                }
                   2097:            }
3.1       knu      2098:            #
                   2099:            # Plus, if it's on a branch, and it's not a vendor branch,
                   2100:            # offer to diff with the next revision of the higher branch.
                   2101:            # (e.g. change gets committed and then brought
                   2102:            # over to -stable)
                   2103:            if (/^\d+\.\d+\.\d+/ && !/^1\.1\.1\.\d+$/) {
                   2104:                my ($i,$nextmain);
                   2105:                for ($i = 0; $i < $#revorder && $revorder[$i] ne $_; $i++){}
                   2106:                my (@tmp2) = split(/\./, $_);
                   2107:                for ($nextmain = ""; $i > 0; $i--) {
                   2108:                    my ($next) = $revorder[$i-1];
                   2109:                    my (@tmp1) = split(/\./, $next);
1.1       jfieber  2110:                    if ($#tmp1 < $#tmp2) {
3.1       knu      2111:                        $nextmain = $next;
                   2112:                        last;
                   2113:                    }
                   2114:                    # Only the highest version on a branch should have
                   2115:                    # a diff for the "next main".
                   2116:                    last if (join(".",@tmp1[0..$#tmp1-1])
                   2117:                             eq join(".",@tmp2[0..$#tmp1-1]));
                   2118:                }
                   2119:                if (!defined($diffrev{$nextmain})) {
                   2120:                    $diffrev{$nextmain} = 1;
                   2121:                    print " next main <A HREF=\"${scriptwhere}.diff?r1=$nextmain";
                   2122:                    print "&amp;r2=$_" . $barequery .
                   2123:                        "\">$nextmain</A>\n";
                   2124:                    if (!$hr_default) { # offer a human readable version if not default
                   2125:                        print "(<A HREF=\"${scriptwhere}.diff?r1=$nextmain";
                   2126:                        print "&amp;r2=$_" . $barequery .
                   2127:                            "&amp;f=h\">colored</A>)\n";
1.1       jfieber  2128:                    }
                   2129:                }
                   2130:            }
3.1       knu      2131:            # Plus if user has selected only r1, then present a link
                   2132:            # to make a diff to that revision
                   2133:            if (defined($input{"r1"}) && !defined($diffrev{$input{"r1"}})) {
                   2134:                $diffrev{$input{"r1"}} = 1;
                   2135:                print " to selected <A HREF=\"${scriptwhere}.diff?"
                   2136:                        . "r1=$input{'r1'}&amp;r2=$_" . $barequery
                   2137:                        . "\">$input{'r1'}</A>\n";
                   2138:                if (!$hr_default) { # offer a human readable version if not default
                   2139:                    print "(<A HREF=\"${scriptwhere}.diff?r1=$input{'r1'}";
                   2140:                    print "&amp;r2=$_" . $barequery .
                   2141:                        "&amp;f=h\">colored</A>)\n";
                   2142:
                   2143:                }
1.9       fenner   2144:            }
1.1       jfieber  2145:        }
3.1       knu      2146:        print "<PRE>\n";
                   2147:        print &htmlify($log{$_}, 1);
                   2148:        print "</PRE>\n";
                   2149: }
                   2150:
3.12      knu      2151: sub doLog($) {
3.1       knu      2152:        my($fullname) = @_;
                   2153:        my ($diffrev, $upwhere, $filename, $backurl);
3.12      knu      2154:
3.1       knu      2155:        readLog($fullname);
                   2156:
                   2157:         html_header("CVS log for $where");
                   2158:        ($upwhere = $where) =~ s|(Attic/)?[^/]+$||;
                   2159:         ($filename = $where) =~ s|^.*/||;
                   2160:         $backurl = $scriptname . "/" . urlencode($upwhere) . $query;
                   2161:        print &link($backicon, "$backurl#$filename"),
                   2162:               " <b>Up to ", &clickablePath($upwhere, 1), "</b><p>\n";
3.3       knu      2163:        print <<EOF;
                   2164: <A HREF="#diff">Request diff between arbitrary revisions</A>
                   2165: <HR NOSHADE>
                   2166: EOF
3.1       knu      2167:        if ($curbranch) {
3.3       knu      2168:            print "Default branch: ", ($revsym{$curbranch} || $curbranch);
3.1       knu      2169:        }
                   2170:        else {
                   2171:            print "No default branch";
                   2172:        }
                   2173:        print "<BR>\n";
                   2174:        if ($input{only_with_tag}) {
                   2175:            print "Current tag: $input{only_with_tag}<BR>\n";
                   2176:        }
                   2177:
                   2178:        undef %nameprinted;
                   2179:
                   2180:        for (my $i = 0; $i <= $#revdisplayorder; $i++) {
                   2181:            print "<HR size=1 NOSHADE>";
                   2182:            printLog($revdisplayorder[$i]);
                   2183:        }
                   2184:
                   2185:         print "<HR NOSHADE>";
1.1       jfieber  2186:        print "<A NAME=diff>\n";
                   2187:        print "This form allows you to request diff's between any two\n";
                   2188:        print "revisions of a file.  You may select a symbolic revision\n";
                   2189:        print "name using the selection box or you may type in a numeric\n";
                   2190:        print "name using the type-in text box.\n";
                   2191:        print "</A><P>\n";
3.1       knu      2192:        print "<FORM METHOD=\"GET\" ACTION=\"${scriptwhere}.diff\" NAME=\"diff_select\">\n";
                   2193:         foreach (@stickyvars) {
                   2194:            print "<INPUT TYPE=HIDDEN NAME=\"$_\" VALUE=\"$input{$_}\">\n"
                   2195:                if (defined($input{$_})
3.23      knu      2196:                    && ((!defined($DEFAULTVALUE{$_})
                   2197:                         || $input{$_} ne $DEFAULTVALUE{$_})
                   2198:                        && $input{$_} ne ""));
3.1       knu      2199:        }
3.21      knu      2200:        print "<TABLE><TR>\n";
                   2201:        print "<TD align=right>Diffs between \n";
1.1       jfieber  2202:        print "<SELECT NAME=\"r1\">\n";
                   2203:        print "<OPTION VALUE=\"text\" SELECTED>Use Text Field\n";
                   2204:        print $sel;
                   2205:        print "</SELECT>\n";
3.1       knu      2206:        $diffrev = $revdisplayorder[$#revdisplayorder];
                   2207:        $diffrev = $input{"r1"} if (defined($input{"r1"}));
3.21      knu      2208:        print "<INPUT TYPE=\"TEXT\" SIZE=\"$inputTextSize\" NAME=\"tr1\" VALUE=\"$diffrev\" onChange='document.diff_select.r1.selectedIndex=0'></TD>";
                   2209:        print "<TD><BR></TD></TR>\n";
                   2210:        print "<TR><TD align=right>and \n";
1.1       jfieber  2211:        print "<SELECT NAME=\"r2\">\n";
                   2212:        print "<OPTION VALUE=\"text\" SELECTED>Use Text Field\n";
                   2213:        print $sel;
                   2214:        print "</SELECT>\n";
3.1       knu      2215:        $diffrev = $revdisplayorder[0];
                   2216:        $diffrev = $input{"r2"} if (defined($input{"r2"}));
3.21      knu      2217:        print "<INPUT TYPE=\"TEXT\" SIZE=\"$inputTextSize\" NAME=\"tr2\" VALUE=\"$diffrev\" onChange='document.diff_select.r2.selectedIndex=0'></TD>";
                   2218:        print "<TD><INPUT TYPE=SUBMIT VALUE=\"  Get Diffs  \"></TD>\n";
1.1       jfieber  2219:        print "</FORM>\n";
3.21      knu      2220:        print "</TR></TABLE>\n";
1.7       fenner   2221:        print "<HR noshade>\n";
3.21      knu      2222:        print "<TABLE>";
                   2223:        print "<FORM METHOD=\"GET\" ACTION=\"$scriptwhere\">\n";
                   2224:         print "<TR><TD align=right>Preferred Diff type:</TD>";
                   2225:         print "<TD>";
                   2226:        printDiffSelect($use_java_script);
                   2227:        print "</TD><TD></TD></TR>\n";
3.1       knu      2228:         if (@branchnames) {
3.21      knu      2229:            print "<TR><TD align=right>View only Branch:</TD>";
                   2230:            print "<TD>";
3.1       knu      2231:            print "<A name=branch></A>\n";
                   2232:            print "<SELECT NAME=\"only_with_tag\"";
                   2233:            print " onchange=\"submit()\"" if ($use_java_script);
                   2234:            print ">\n";
                   2235:            print "<OPTION VALUE=\"\"";
                   2236:            print " SELECTED" if (defined($input{"only_with_tag"}) &&
                   2237:                $input{"only_with_tag"} eq "");
                   2238:            print ">Show all branches\n";
                   2239:            foreach (reverse sort @branchnames) {
1.9       fenner   2240:                print "<OPTION";
3.1       knu      2241:                print " SELECTED" if (defined($input{"only_with_tag"})
                   2242:                        && $input{"only_with_tag"} eq $_);
1.9       fenner   2243:                print ">${_}\n";
3.1       knu      2244:            }
3.21      knu      2245:            print "</SELECT></TD><TD></TD></TR>\n";
1.7       fenner   2246:        }
3.1       knu      2247:        foreach (@stickyvars) {
3.21      knu      2248:            next if ($_ eq "f");
3.1       knu      2249:            next if ($_ eq "only_with_tag");
                   2250:            next if ($_ eq "logsort");
                   2251:            print "<INPUT TYPE=HIDDEN NAME=\"$_\" VALUE=\"$input{$_}\">\n"
3.23      knu      2252:                if (defined($input{$_})
                   2253:                    && (!defined($DEFAULTVALUE{$_})
                   2254:                        || $input{$_} ne $DEFAULTVALUE{$_})
3.1       knu      2255:                    && $input{$_} ne "");
                   2256:        }
3.21      knu      2257:        print "<TR><TD align=right>";
                   2258:        print "<A name=logsort></A>\n";
                   2259:        print "Sort log by:</TD>";
                   2260:        print "<TD><SELECT NAME=\"logsort\"";
3.1       knu      2261:        print " onchange=\"submit()\"" if ($use_java_script);
                   2262:        print ">\n";
                   2263:        print "<OPTION VALUE=cvs",$logsort eq "cvs" ? " SELECTED" : "", ">Not sorted";
                   2264:        print "<OPTION VALUE=date",$logsort eq "date" ? " SELECTED" : "", ">Commit date";
                   2265:        print "<OPTION VALUE=rev",$logsort eq "rev" ? " SELECTED" : "", ">Revision";
3.21      knu      2266:        print "</SELECT></TD>";
                   2267:        print "<TD><INPUT TYPE=SUBMIT VALUE=\"  Set  \"></TD>";
1.7       fenner   2268:        print "</FORM>\n";
3.21      knu      2269:        print "</TR></TABLE>";
1.2       jfieber  2270:         print &html_footer;
1.1       jfieber  2271:        print "</BODY></HTML>\n";
1.10      wosch    2272: }
                   2273:
3.12      knu      2274: sub flush_diff_rows($$$$) {
3.1       knu      2275:     my $j;
                   2276:     my ($leftColRef,$rightColRef,$leftRow,$rightRow) = @_;
                   2277:     if ($state eq "PreChangeRemove") {          # we just got remove-lines before
                   2278:       for ($j = 0 ; $j < $leftRow; $j++) {
                   2279:           print  "<tr><td bgcolor=\"$diffcolorRemove\">@$leftColRef[$j]</td>";
                   2280:           print  "<td bgcolor=\"$diffcolorEmpty\">&nbsp;</td></tr>\n";
                   2281:       }
                   2282:     }
                   2283:     elsif ($state eq "PreChange") {             # state eq "PreChange"
                   2284:       # we got removes with subsequent adds
                   2285:       for ($j = 0; $j < $leftRow || $j < $rightRow ; $j++) {  # dump out both cols
                   2286:           print  "<tr>";
                   2287:           if ($j < $leftRow) {
                   2288:              print  "<td bgcolor=\"$diffcolorChange\">@$leftColRef[$j]</td>";
                   2289:          }
                   2290:           else {
                   2291:              print  "<td bgcolor=\"$diffcolorDarkChange\">&nbsp;</td>";
                   2292:          }
                   2293:           if ($j < $rightRow) {
                   2294:              print  "<td bgcolor=\"$diffcolorChange\">@$rightColRef[$j]</td>";
                   2295:          }
                   2296:           else {
                   2297:              print  "<td bgcolor=\"$diffcolorDarkChange\">&nbsp;</td>";
                   2298:          }
                   2299:           print  "</tr>\n";
                   2300:       }
                   2301:     }
                   2302: }
                   2303:
                   2304: ##
                   2305: # Function to generate Human readable diff-files
                   2306: # human_readable_diff(String revision_to_return_to);
                   2307: ##
                   2308: sub human_readable_diff($){
3.24      knu      2309:   my ($difftxt, $where_nd, $filename, $pathname, $scriptwhere_nd);
3.1       knu      2310:   my ($fh, $rev) = @_;
                   2311:   my ($date1, $date2, $r1d, $r2d, $r1r, $r2r, $rev1, $rev2, $sym1, $sym2);
                   2312:   my (@rightCol, @leftCol);
                   2313:
                   2314:   ($where_nd = $where) =~ s/.diff$//;
                   2315:   ($filename = $where_nd) =~ s/^.*\///;
                   2316:   ($pathname = $where_nd) =~ s/(Attic\/)?[^\/]*$//;
                   2317:   ($scriptwhere_nd = $scriptwhere) =~ s/.diff$//;
                   2318:
3.12      knu      2319:   navigateHeader($scriptwhere_nd, $pathname, $filename, $rev, "diff");
3.1       knu      2320:
                   2321:   # Read header to pick up read revision and date, if possible
                   2322:   while (<$fh>) {
                   2323:       ($r1d,$r1r) = /\t(.*)\t(.*)$/ if (/^--- /);
                   2324:       ($r2d,$r2r) = /\t(.*)\t(.*)$/ if (/^\+\+\+ /);
                   2325:       last if (/^\+\+\+ /);
                   2326:   }
                   2327:   if (defined($r1r) && $r1r =~ /^(\d+\.)+\d+$/) {
                   2328:     $rev1 = $r1r;
                   2329:     $date1 = $r1d;
                   2330:   }
                   2331:   if (defined($r2r) && $r2r =~ /^(\d+\.)+\d+$/) {
                   2332:     $rev2 = $r2r;
                   2333:     $date2 = $r2d;
                   2334:   }
3.12      knu      2335:
3.1       knu      2336:   print "<h3 align=center>Diff for /$where_nd between version $rev1 and $rev2</h3>\n";
                   2337:
                   2338:   print "<table border=0 cellspacing=0 cellpadding=0 width=\"100%\">\n";
                   2339:   print "<tr bgcolor=\"#ffffff\">\n";
                   2340:   print "<th width=\"50%\" valign=TOP>";
                   2341:   print "version $rev1";
                   2342:   print ", $date1" if (defined($date1));
                   2343:   print "<br>Tag: $sym1\n" if ($sym1);
                   2344:   print "</th>\n";
                   2345:   print "<th width=\"50%\" valign=TOP>";
                   2346:   print "version $rev2";
                   2347:   print ", $date2" if (defined($date2));
                   2348:   print "<br>Tag: $sym2\n" if ($sym1);
                   2349:   print "</th>\n";
                   2350:
                   2351:   my $fs = "<font face=\"$difffontface\" size=\"$difffontsize\">";
                   2352:   my $fe = "</font>";
                   2353:
                   2354:   my $leftRow = 0;
                   2355:   my $rightRow = 0;
                   2356:   my ($oldline, $newline, $funname, $diffcode, $rest);
                   2357:
                   2358:   # Process diff text
                   2359:   # The diffrows are could make excellent use of
                   2360:   # cascading style sheets because we've to set the
                   2361:   # font and color for each row. anyone ...?
                   2362:   ####
3.24      knu      2363:
                   2364:   # prefetch several lines
                   2365:   my @buf = head($fh);
                   2366:
                   2367:   my %d = scan_directives(@buf);
                   2368:
                   2369:   while (@buf || !eof($fh)) {
                   2370:       $difftxt = @buf ? shift @buf : <$fh>;
3.12      knu      2371:
3.1       knu      2372:       if ($difftxt =~ /^@@/) {
                   2373:          ($oldline,$newline,$funname) = $difftxt =~ /@@ \-([0-9]+).*\+([0-9]+).*@@(.*)/;
                   2374:           print  "<tr bgcolor=\"$diffcolorHeading\"><td width=\"50%\">";
                   2375:          print  "<table width=\"100%\" border=1 cellpadding=5><tr><td><b>Line $oldline</b>";
                   2376:          print  "&nbsp;<font size=-1>$funname</font></td></tr></table>";
                   2377:           print  "</td><td width=\"50%\">";
                   2378:          print  "<table width=\"100%\" border=1 cellpadding=5><tr><td><b>Line $newline</b>";
                   2379:          print  "&nbsp;<font size=-1>$funname</font></td></tr></table>";
                   2380:          print  "</td>\n";
                   2381:          $state = "dump";
                   2382:          $leftRow = 0;
                   2383:          $rightRow = 0;
                   2384:       }
                   2385:       else {
                   2386:          ($diffcode,$rest) = $difftxt =~ /^([-+ ])(.*)/;
3.24      knu      2387:          $_ = spacedHtmlText($rest, $d{'tabstop'});
3.1       knu      2388:
                   2389:          # Add fontface, size
                   2390:          $_ = "$fs&nbsp;$_$fe";
3.12      knu      2391:
3.1       knu      2392:          #########
                   2393:          # little state machine to parse unified-diff output (Hen, zeller@think.de)
                   2394:          # in order to get some nice 'ediff'-mode output
                   2395:          # states:
                   2396:          #  "dump"             - just dump the value
                   2397:          #  "PreChangeRemove"  - we began with '-' .. so this could be the start of a 'change' area or just remove
                   2398:          #  "PreChange"        - okey, we got several '-' lines and moved to '+' lines -> this is a change block
                   2399:          ##########
                   2400:
                   2401:          if ($diffcode eq '+') {
                   2402:              if ($state eq "dump") {  # 'change' never begins with '+': just dump out value
                   2403:                  print  "<tr><td bgcolor=\"$diffcolorEmpty\">&nbsp;</td><td bgcolor=\"$diffcolorAdd\">$_</td></tr>\n";
                   2404:              }
                   2405:              else {                   # we got minus before
                   2406:                  $state = "PreChange";
                   2407:                  $rightCol[$rightRow++] = $_;
                   2408:              }
3.12      knu      2409:          }
3.1       knu      2410:          elsif ($diffcode eq '-') {
                   2411:              $state = "PreChangeRemove";
                   2412:              $leftCol[$leftRow++] = $_;
                   2413:         }
                   2414:         else {  # empty diffcode
                   2415:             flush_diff_rows \@leftCol, \@rightCol, $leftRow, $rightRow;
                   2416:              print  "<tr><td>$_</td><td>$_</td></tr>\n";
                   2417:              $state = "dump";
                   2418:              $leftRow = 0;
                   2419:              $rightRow = 0;
                   2420:          }
                   2421:       }
                   2422:   }
                   2423:   flush_diff_rows \@leftCol, \@rightCol, $leftRow, $rightRow;
                   2424:
                   2425:   # state is empty if we didn't have any change
                   2426:   if (!$state) {
                   2427:       print "<tr><td colspan=2>&nbsp;</td></tr>";
                   2428:       print "<tr bgcolor=\"$diffcolorEmpty\" >";
                   2429:       print "<td colspan=2 align=center><b>- No viewable Change -</b></td></tr>";
                   2430:   }
                   2431:   print  "</table>";
                   2432:   close($fh);
                   2433:
                   2434:   print "<br><hr noshade width=\"100%\">\n";
                   2435:
                   2436:   print "<table border=0>";
                   2437:
                   2438:   print "<tr><td>";
                   2439:   # print legend
                   2440:   print "<table border=1><tr><td>";
                   2441:   print  "Legend:<br><table border=0 cellspacing=0 cellpadding=1>\n";
                   2442:   print  "<tr><td align=center bgcolor=\"$diffcolorRemove\">Removed from v.$rev1</td><td bgcolor=\"$diffcolorEmpty\">&nbsp;</td></tr>";
                   2443:   print  "<tr bgcolor=\"$diffcolorChange\"><td align=center colspan=2>changed lines</td></tr>";
                   2444:   print  "<tr><td bgcolor=\"$diffcolorEmpty\">&nbsp;</td><td align=center bgcolor=\"$diffcolorAdd\">Added in v.$rev2</td></tr>";
                   2445:   print  "</table></td></tr></table>\n";
                   2446:
                   2447:   print "<td>";
                   2448:   # Print format selector
                   2449:   print "<FORM METHOD=\"GET\" ACTION=\"${scriptwhere}\">\n";
                   2450:   foreach my $var (keys %input) {
                   2451:     next if ($var eq "f");
                   2452:     next if (defined($DEFAULTVALUE{$var})
                   2453:             && $DEFAULTVALUE{$var} eq $input{$var});
                   2454:     print "<INPUT TYPE=HIDDEN NAME=\"",urlencode($var),"\" VALUE=\"",
                   2455:            urlencode($input{$var}),"\">\n";
                   2456:   }
                   2457:   printDiffSelect($use_java_script);
                   2458:   print "<INPUT TYPE=SUBMIT VALUE=\"Show\">\n";
                   2459:   print "</FORM>\n";
                   2460:   print "</td>";
                   2461:
                   2462:   print "</tr></table>";
                   2463: }
                   2464:
3.12      knu      2465: sub navigateHeader($$$$$) {
3.1       knu      2466:     my ($swhere,$path,$filename,$rev,$title) = @_;
                   2467:     $swhere = "" if ($swhere eq $scriptwhere);
                   2468:     $swhere = urlencode($filename) if ($swhere eq "");
                   2469:     print "<\!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.0 Transitional//EN\">";
                   2470:     print "<HTML>\n<HEAD>\n";
3.25    ! knu      2471:     print '<!-- CVSweb $zRevision: 1.103 $  $Revision: 3.24 $ -->';
3.1       knu      2472:     print "\n<TITLE>$path$filename - $title - $rev</TITLE></HEAD>\n";
                   2473:     print  "<BODY BGCOLOR=\"$backcolor\">\n";
                   2474:     print "<table width=\"100%\" border=0 cellspacing=0 cellpadding=1 bgcolor=\"$navigationHeaderColor\">";
                   2475:     print "<tr valign=bottom><td>";
                   2476:     print  "<a href=\"$swhere$query#rev$rev\">$backicon";
                   2477:     print "</a> <b>Return to ", &link("$filename","$swhere$query#rev$rev")," CVS log";
                   2478:     print "</b> $fileicon</td>";
3.12      knu      2479:
3.1       knu      2480:     print "<td align=right>$diricon <b>Up to ", &clickablePath($path, 1), "</b></td>";
                   2481:     print "</tr></table>";
                   2482: }
                   2483:
3.12      knu      2484: sub plural_write($$) {
3.1       knu      2485:     my ($num,$text) = @_;
                   2486:     if ($num != 1) {
                   2487:        $text = $text . "s";
                   2488:     }
                   2489:     if ($num > 0) {
                   2490:        return $num . " " . $text;
                   2491:     }
                   2492:     else {
                   2493:        return "";
                   2494:     }
                   2495: }
                   2496:
                   2497: ##
                   2498: # print readable timestamp in terms of
                   2499: # '..time ago'
                   2500: # H. Zeller <zeller@think.de>
                   2501: ##
3.12      knu      2502: sub readableTime($$) {
3.1       knu      2503:     my ($i, $break, $retval);
                   2504:     my ($secs,$long) = @_;
                   2505:
                   2506:     # this function works correct for time >= 2 seconds
                   2507:     if ($secs < 2) {
                   2508:        return "very little time";
                   2509:     }
                   2510:
                   2511:     my %desc = (1 , 'second',
                   2512:                   60, 'minute',
                   2513:                   3600, 'hour',
                   2514:                   86400, 'day',
                   2515:                   604800, 'week',
                   2516:                   2628000, 'month',
                   2517:                   31536000, 'year');
                   2518:     my @breaks = sort {$a <=> $b} keys %desc;
                   2519:     $i = 0;
3.12      knu      2520:     while ($i <= $#breaks && $secs >= 2 * $breaks[$i]) {
3.1       knu      2521:        $i++;
                   2522:     }
                   2523:     $i--;
                   2524:     $break = $breaks[$i];
3.3       knu      2525:     $retval = plural_write(int ($secs / $break), $desc{$break});
3.1       knu      2526:
                   2527:     if ($long == 1 && $i > 0) {
                   2528:        my $rest = $secs % $break;
                   2529:        $i--;
                   2530:        $break = $breaks[$i];
3.12      knu      2531:        my $resttime = plural_write(int ($rest / $break),
3.3       knu      2532:                                $desc{$break});
3.1       knu      2533:        if ($resttime) {
                   2534:            $retval = $retval . ", " . $resttime;
                   2535:        }
                   2536:     }
                   2537:
                   2538:     return $retval;
                   2539: }
                   2540:
                   2541: ##
                   2542: # clickablePath(String pathname, boolean last_item_clickable)
                   2543: #
                   2544: # returns a html-ified path whereas each directory is a link for
                   2545: # faster navigation. last_item_clickable controls whether the
                   2546: # basename (last directory/file) is a link as well
                   2547: ##
                   2548: sub clickablePath($$) {
3.12      knu      2549:     my ($pathname,$clickLast) = @_;
3.1       knu      2550:     my $retval = '';
3.12      knu      2551:
3.1       knu      2552:     if ($pathname eq '/') {
                   2553:        # this should never happen - chooseCVSRoot() is
                   2554:        # intended to do this
                   2555:        $retval = "[$cvstree]";
                   2556:     }
                   2557:     else {
                   2558:        $retval = $retval . " <a href=\"${scriptname}/${query}#dirlist\">[$cvstree]</a>";
                   2559:        my $wherepath = '';
                   2560:        my ($lastslash) = $pathname =~ m|/$|;
                   2561:        foreach (split(/\//, $pathname)) {
                   2562:            $retval = $retval . " / ";
                   2563:            $wherepath = $wherepath . '/' . $_;
                   2564:            my ($last) = "$wherepath/" eq "/$pathname"
3.3       knu      2565:                || $wherepath eq "/$pathname";
3.1       knu      2566:            if ($clickLast || !$last) {
                   2567:                $retval = $retval . "<a href=\"${scriptname}"
                   2568:                    . urlencode($wherepath)
                   2569:                    . (!$last || $lastslash ? '/' : '')
                   2570:                    . ${query}
                   2571:                    . (!$last || $lastslash ? "#dirlist" : "")
                   2572:                    . "\">$_</a>";
                   2573:            }
                   2574:            else { # do not make a link to the current dir
                   2575:                $retval = $retval .  $_;
                   2576:            }
                   2577:        }
                   2578:     }
                   2579:     return $retval;
                   2580: }
                   2581:
                   2582: sub chooseCVSRoot() {
                   2583:     my @foo;
                   2584:     foreach (sort keys %CVSROOT) {
                   2585:        if (-d $CVSROOT{$_}) {
                   2586:            push(@foo, $_);
                   2587:        }
                   2588:     }
                   2589:     if (@foo > 1) {
                   2590:        my ($k);
                   2591:        print "<form method=\"GET\" action=\"${scriptwhere}\">\n";
                   2592:        foreach $k (keys %input) {
3.12      knu      2593:            print "<input type=hidden NAME=$k VALUE=$input{$k}>\n"
3.1       knu      2594:                if ($input{$k}) && ($k ne "cvsroot");
                   2595:        }
                   2596:        # Form-Elements look wierd in Netscape if the background
                   2597:        # isn't gray and the form elements are not placed
                   2598:        # within a table ...
                   2599:        print "<table><tr>";
                   2600:        print "<td>CVS Root:</td>";
                   2601:        print "<td>\n<select name=\"cvsroot\"";
                   2602:        print " onchange=\"submit()\"" if ($use_java_script);
                   2603:        print ">\n";
                   2604:        foreach $k (@foo) {
                   2605:            print "<option value=\"$k\"";
3.3       knu      2606:            print " selected" if ($k eq $cvstree);
                   2607:            print ">" . ($CVSROOTdescr{$k} ? $CVSROOTdescr{$k} :
3.1       knu      2608:                        $k). "</option>\n";
                   2609:        }
                   2610:        print "</select>\n</td>";
                   2611:        print "<td><input type=submit value=\"Go\"></td>";
                   2612:        print "</tr></table></form>";
                   2613:     }
                   2614:     else {
                   2615:        # no choice ..
                   2616:        print "CVS Root: <b>[$cvstree]</b>";
                   2617:     }
                   2618: }
                   2619:
                   2620: sub chooseMirror() {
                   2621:     my ($mirror,$moremirrors);
                   2622:     $moremirrors = 0;
                   2623:     # This code comes from the original BSD-cvsweb
                   2624:     # and may not be useful for your site; If you don't
                   2625:     # set %MIRRORS this won't show up, anyway
                   2626:     #
3.12      knu      2627:     # Should perhaps exlude the current site somehow..
3.1       knu      2628:     if (keys %MIRRORS) {
                   2629:        print "\nThis cvsweb is mirrored in:\n";
                   2630:        foreach $mirror (keys %MIRRORS) {
                   2631:            print ", " if ($moremirrors);
                   2632:            print qq(<a href="$MIRRORS{$mirror}">$mirror</A>\n);
                   2633:            $moremirrors = 1;
                   2634:        }
                   2635:        print "<p>\n";
                   2636:     }
                   2637: }
                   2638:
3.12      knu      2639: sub fileSortCmp() {
3.1       knu      2640:     my ($comp) = 0;
                   2641:     my ($c,$d,$af,$bf);
                   2642:
                   2643:     ($af = $a) =~ s/,v$//;
                   2644:     ($bf = $b) =~ s/,v$//;
                   2645:     my ($rev1,$date1,$log1,$author1,$filename1) = @{$fileinfo{$af}}
                   2646:         if (defined($fileinfo{$af}));
                   2647:     my ($rev2,$date2,$log2,$author2,$filename2) = @{$fileinfo{$bf}}
                   2648:         if (defined($fileinfo{$bf}));
                   2649:
                   2650:     if (defined($filename1) && defined($filename2) && $af eq $filename1 && $bf eq $filename2) {
                   2651:        # Two files
                   2652:        $comp = -revcmp($rev1, $rev2) if ($byrev && $rev1 && $rev2);
                   2653:        $comp = ($date2 <=> $date1) if ($bydate && $date1 && $date2);
                   2654:        $comp = ($log1 cmp $log2) if ($bylog && $log1 && $log2);
                   2655:        $comp = ($author1 cmp $author2) if ($byauthor && $author1 && $author2);
                   2656:     }
                   2657:     if ($comp == 0) {
                   2658:        # Directories first, then sorted on name if no other sort critera
                   2659:        # available.
                   2660:        my $ad = ((-d "$fullname/$a")?"D":"F");
                   2661:        my $bd = ((-d "$fullname/$b")?"D":"F");
                   2662:        ($c=$a) =~ s|.*/||;
                   2663:        ($d=$b) =~ s|.*/||;
                   2664:        $comp = ("$ad$c" cmp "$bd$d");
                   2665:     }
                   2666:     return $comp;
                   2667: }
                   2668:
                   2669: # make A url for downloading
3.12      knu      2670: sub download_url($$;$) {
3.1       knu      2671:     my ($url,$revision,$mimetype) = @_;
                   2672:
                   2673:     $revision =~ s/\b0\.//;
                   2674:
                   2675:     if (defined($checkout_magic)
                   2676:        && (!defined($mimetype) || $mimetype ne "text/x-cvsweb-markup")) {
                   2677:        my ($path);
                   2678:        ($path = $where) =~ s|/[^/]*$|/|;
                   2679:        $url = "$scriptname/$checkoutMagic/${path}$url";
                   2680:     }
                   2681:     $url .= "?rev=$revision";
                   2682:     $url .= "&amp;content-type=$mimetype" if (defined($mimetype));
                   2683:
                   2684:     return $url;
                   2685: }
                   2686:
3.12      knu      2687: # Presents a link to download the
3.1       knu      2688: # selected revision
3.12      knu      2689: sub download_link($$$;$) {
3.1       knu      2690:     my ($url,$revision,$textlink,$mimetype) = @_;
                   2691:     my ($fullurl) = download_url($url,$revision,$mimetype);
                   2692:     my ($paren) = $textlink =~ /^\(/;
                   2693:     $textlink =~ s/^\(// if ($paren);
                   2694:     $textlink =~ s/\)$// if ($paren);
                   2695:     print "(" if ($paren);
                   2696:     print "<A HREF=\"$fullurl";
                   2697:     print $barequery;
                   2698:     print "\"";
                   2699:     if ($open_extern_window && (!defined($mimetype) || $mimetype ne "text/x-cvsweb-markup")) {
                   2700:        print " target=\"cvs_checkout\"";
                   2701:        # we should have
                   2702:        #   'if (document.cvswin==null) document.cvswin=window.open(...'
                   2703:        # in order to allow the user to resize the window; otherwise
                   2704:        # the user may resize the window, but on next checkout - zap -
                   2705:        # its original (configured s. cvsweb.conf) size is back again
                   2706:        # .. annoying (if $extern_window_(width|height) is defined)
                   2707:        # but this if (..) solution is far from perfect
                   2708:        # what we need to do as well is
                   2709:        # 1) save cvswin in an invisible frame that always exists
                   2710:        #    (document.cvswin will be void on next load)
                   2711:        # 2) on close of the cvs_checkout - window set the cvswin
                   2712:        #    variable to 'null' again - so that it will be
                   2713:        #    reopenend with the configured size
                   2714:        # anyone a JavaScript programmer ?
                   2715:        # .. so here without if (..):
                   2716:        # currently, the best way is to comment out the size parameters
                   2717:        # ($extern_window...) in cvsweb.conf.
                   2718:        if ($use_java_script) {
                   2719:            print " onClick=\"window.open('$fullurl','cvs_checkout',";
                   2720:            print "'resizeable,scrollbars";
                   2721:            print ",status,toolbar" if (defined($mimetype)
                   2722:                && $mimetype eq "text/html");
                   2723:            print ",width=$extern_window_width" if (defined($extern_window_width));
                   2724:            print ",height=$extern_window_height" if (defined($extern_window_height));
                   2725:            print"');\"";
                   2726:        }
                   2727:     }
                   2728:     print "><b>$textlink</b></A>";
                   2729:     print ")" if ($paren);
                   2730: }
                   2731:
                   2732: # Returns a Query string with the
                   2733: # specified parameter toggled
                   2734: sub toggleQuery($$) {
                   2735:     my ($toggle,$value) = @_;
                   2736:     my ($newquery,$var);
                   2737:     my (%vars);
                   2738:     %vars = %input;
                   2739:     if (defined($value)) {
                   2740:        $vars{$toggle} = $value;
                   2741:     }
                   2742:     else {
                   2743:        $vars{$toggle} = $vars{$toggle} ? 0 : 1;
                   2744:     }
                   2745:     # Build a new query of non-default paramenters
                   2746:     $newquery = "";
                   2747:     foreach $var (@stickyvars) {
                   2748:        my ($value) = defined($vars{$var}) ? $vars{$var} : "";
                   2749:        my ($default) = defined($DEFAULTVALUE{$var}) ? $DEFAULTVALUE{$var} : "";
                   2750:        if ($value ne $default) {
                   2751:            $newquery .= "&amp;" if ($newquery ne "");
                   2752:            $newquery .= urlencode($var) . "=" . urlencode($value);
                   2753:        }
                   2754:     }
                   2755:     if ($newquery) {
                   2756:        return '?' . $newquery;
                   2757:     }
                   2758:     return "";
                   2759: }
                   2760:
3.12      knu      2761: sub urlencode($) {
3.1       knu      2762:     my ($in) = @_;
                   2763:     my ($out);
                   2764:     ($out = $in) =~ s/([\000-+{-\377])/sprintf("%%%02x", ord($1))/ge;
                   2765:     return $out;
                   2766: }
                   2767:
3.12      knu      2768: sub http_header(;$) {
3.1       knu      2769:     my $content_type = shift || "text/html";
                   2770:     if (defined($moddate)) {
                   2771:        if ($is_mod_perl) {
3.23      knu      2772:            Apache->request->header_out("Last-Modified" => scalar gmtime($moddate) . " GMT");
3.1       knu      2773:        }
                   2774:        else {
3.4       knu      2775:            print "Last-Modified: " . scalar gmtime($moddate) . " GMT\r\n";
3.1       knu      2776:        }
                   2777:     }
                   2778:     if ($is_mod_perl) {
                   2779:        Apache->request->content_type($content_type);
                   2780:     }
                   2781:     else {
3.4       knu      2782:            print "Content-type: $content_type\r\n";
3.1       knu      2783:     }
                   2784:     if ($allow_compress && $maycompress) {
3.23      knu      2785:        if ($has_zlib || (defined($GZIPBIN) && open(GZIP, "|$GZIPBIN -1 -c"))) {
3.1       knu      2786:            if ($is_mod_perl) {
                   2787:                    Apache->request->content_encoding("x-gzip");
                   2788:                    Apache->request->header_out(Vary => "Accept-Encoding");
                   2789:                    Apache->request->send_http_header;
                   2790:            }
                   2791:            else {
3.4       knu      2792:                    print "Content-encoding: x-gzip\r\n";
                   2793:                    print "Vary: Accept-Encoding\r\n";  #RFC 2068, 14.43
                   2794:                    print "\r\n"; # Close headers
3.1       knu      2795:            }
                   2796:            $| = 1; $| = 0; # Flush header output
3.23      knu      2797:            if ($has_zlib) {
                   2798:                tie *GZIP, __PACKAGE__, \*STDOUT;
                   2799:            }
                   2800:            select(GZIP);
                   2801:            $gzip_open = 1;
3.1       knu      2802: #          print "<!-- gzipped -->" if ($content_type eq "text/html");
                   2803:        }
                   2804:        else {
                   2805:            if ($is_mod_perl) {
                   2806:                    Apache->request->send_http_header;
                   2807:            }
                   2808:            else {
3.4       knu      2809:                    print "\r\n"; # Close headers
3.1       knu      2810:            }
                   2811:            print "<font size=-1>Unable to find gzip binary in the \$PATH to compress output</font><br>";
                   2812:        }
                   2813:     }
                   2814:     else {
                   2815:            if ($is_mod_perl) {
                   2816:                    Apache->request->send_http_header;
                   2817:            }
                   2818:            else {
3.4       knu      2819:                    print "\r\n"; # Close headers
3.1       knu      2820:            }
                   2821:     }
                   2822: }
                   2823:
                   2824: sub html_header($) {
                   2825:     my ($title) = @_;
3.25    ! knu      2826:     my $version = '$zRevision: 1.103 $  $Revision: 3.24 $'; #'
3.1       knu      2827:     http_header();
                   2828:     print <<EOH;
                   2829: <!doctype html public "-//W3C//DTD HTML 4.0 Transitional//EN"
                   2830:  "http://www.w3.org/TR/REC-html40/loose.dtd">
                   2831: <html>
                   2832: <title>$title</title>
3.3       knu      2833: <!-- CVSweb $version -->
3.1       knu      2834: </head>
                   2835: $body_tag
                   2836: $logo <h1 align="center">$title</h1>
                   2837: EOH
                   2838: }
                   2839:
3.12      knu      2840: sub html_footer() {
3.1       knu      2841:     return "<hr noshade><address>$address</address>\n";
                   2842: }
                   2843:
3.12      knu      2844: sub link_tags($) {
3.1       knu      2845:     my ($tags) = @_;
                   2846:     my ($ret) = "";
                   2847:     my ($fileurl,$filename);
                   2848:
                   2849:     ($filename = $where) =~ s/^.*\///;
                   2850:     $fileurl = urlencode($filename);
                   2851:
                   2852:     foreach my $sym (split(", ", $tags)) {
                   2853:        $ret .= ",\n" if ($ret ne "");
                   2854:        $ret .= "<A HREF=\"$fileurl"
                   2855:                . toggleQuery('only_with_tag',$sym) . "\">$sym</A>";
                   2856:     }
                   2857:     return $ret."\n";
                   2858: }
                   2859:
                   2860: #
                   2861: # See if a module is listed in the config file's @HideModule list.
                   2862: #
3.12      knu      2863: sub forbidden_module($) {
3.1       knu      2864:     my($module) = @_;
3.12      knu      2865:
3.1       knu      2866:     for (my $i=0; $i < @HideModules; $i++) {
                   2867:        return 1 if $module eq $HideModules[$i];
                   2868:     }
                   2869:
                   2870:     return 0;
3.25    ! knu      2871: }
        !          2872:
        !          2873: # Close the GZIP handle remove the tie.
        !          2874:
        !          2875: sub gzipclose {
        !          2876:        if ($gzip_open) {
        !          2877:            select(STDOUT);
        !          2878:            close(GZIP);
        !          2879:            untie *GZIP;
        !          2880:            $gzip_open = 0;
        !          2881:        }
3.23      knu      2882: }
                   2883:

CVSweb