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Annotation of cvsweb/cvsweb.cgi, Revision 3.12

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>
                     12: #
                     13: # Based on:
                     14: # * Bill Fenners cvsweb.cgi revision 1.28 available from:
3.5       knu        15: #   http://www.FreeBSD.org/cgi/cvsweb.cgi/www/en/cgi/cvsweb.cgi
1.1       jfieber    16: #
1.21      wosch      17: # Copyright (c) 1996-1998 Bill Fenner
3.1       knu        18: #           (c) 1998-1999 Henner Zeller
                     19: #          (c) 1999      Henrik Nordstrom
                     20: #          (c) 2000      Akinori MUSHA
1.21      wosch      21: # All rights reserved.
                     22: #
                     23: # Redistribution and use in source and binary forms, with or without
                     24: # modification, are permitted provided that the following conditions
                     25: # are met:
                     26: # 1. Redistributions of source code must retain the above copyright
                     27: #    notice, this list of conditions and the following disclaimer.
                     28: # 2. Redistributions in binary form must reproduce the above copyright
                     29: #    notice, this list of conditions and the following disclaimer in the
                     30: #    documentation and/or other materials provided with the distribution.
                     31: #
                     32: # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
                     33: # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     34: # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     35: # ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
                     36: # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     37: # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     38: # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     39: # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     40: # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     41: # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     42: # SUCH DAMAGE.
                     43: #
3.8       knu        44: # $zId: cvsweb.cgi,v 1.93 2000/07/27 17:42:28 hzeller Exp $
3.12    ! knu        45: # $Id: cvsweb.cgi,v 3.11 2000/08/13 18:58:24 knu Exp $
1.21      wosch      46: #
3.1       knu        47: ###
                     48:
                     49: use strict;
1.21      wosch      50:
3.1       knu        51: use vars qw (
                     52:     $config $allow_version_select $verbose
                     53:     %CVSROOT %CVSROOTdescr %MIRRORS %DEFAULTVALUE %ICONS %MTYPES
                     54:     %alltags @tabcolors %fileinfo %tags @branchnames %nameprinted
                     55:     %symrev %revsym @allrevisions %date %author @revdisplayorder
                     56:     @revisions %state %difflines %log %branchpoint @revorder $prcgi
                     57:     @prcategories $prcategories
                     58:     $checkoutMagic $doCheckout $scriptname $scriptwhere
3.3       knu        59:     $where $pathinfo $Browser $nofilelinks $maycompress @stickyvars
                     60:     %funcline_regexp $is_mod_perl
3.5       knu        61:     $is_lynx $is_w3m $is_msie $is_mozilla3 $is_textbased
3.1       knu        62:     %input $query $barequery $sortby $bydate $byrev $byauthor
                     63:     $bylog $byfile $hr_default $logsort $cvstree $cvsroot
                     64:     $mimetype $defaultTextPlain $defaultViewable $allow_compress
                     65:     $GZIPBIN $backicon $diricon $fileicon $fullname $newname
                     66:     $cvstreedefault $body_tag $logo $defaulttitle $address
                     67:     $backcolor $long_intro $short_instruction $shortLogLen
                     68:     $show_author $dirtable $tablepadding $columnHeaderColorDefault
3.3       knu        69:     $columnHeaderColorSorted $hr_breakable $showfunc $hr_ignwhite
3.1       knu        70:     $hr_ignkeysubst $diffcolorHeading $diffcolorEmpty $diffcolorRemove
                     71:     $diffcolorChange $diffcolorAdd $diffcolorDarkChange $difffontface
                     72:     $difffontsize $inputTextSize $mime_types $allow_annotate
                     73:     $allow_markup $use_java_script $open_extern_window
                     74:     $extern_window_width $extern_window_height $edit_option_form
                     75:     $checkout_magic $show_subdir_lastmod $show_log_in_markup $v
                     76:     $navigationHeaderColor $tableBorderColor $markupLogColor
                     77:     $tabstop $state $annTable $sel $curbranch @HideModules
                     78:     $module $use_descriptions %descriptions @mytz $dwhere $moddate
                     79:     $use_moddate
                     80: );
                     81:
3.12    ! knu        82: sub printDiffSelect($);
        !            83: sub findLastModifiedSubdirs(@);
        !            84: sub htmlify($;$);
        !            85: sub spacedHtmlText($);
        !            86: sub link($$);
        !            87: sub revcmp($$);
        !            88: sub fatal($$);
        !            89: sub redirect($);
        !            90: sub safeglob($);
        !            91: sub getMimeTypeFromSuffix($);
        !            92: sub doAnnotate($$);
        !            93: sub doCheckout($$);
        !            94: sub cvswebMarkup($$$);
        !            95: sub viewable($);
        !            96: sub doDiff($$$$$$);
        !            97: sub getDirLogs($$@);
        !            98: sub readLog($;$);
        !            99: sub printLog($;$);
        !           100: sub doLog($);
        !           101: sub flush_diff_rows($$$$);
        !           102: sub human_readable_diff($);
        !           103: sub navigateHeader($$$$$);
        !           104: sub plural_write($$);
        !           105: sub readableTime($$);
        !           106: sub clickablePath($$);
        !           107: sub chooseCVSRoot();
        !           108: sub chooseMirror();
        !           109: sub fileSortCmp();
        !           110: sub download_url($$;$);
        !           111: sub download_link($$$;$);
        !           112: sub toggleQuery($$);
        !           113: sub urlencode($);
        !           114: sub http_header(;$);
        !           115: sub html_header($);
        !           116: sub html_footer();
        !           117: sub link_tags($);
        !           118: sub forbidden_module($);
        !           119:
3.1       knu       120: ##### Start of Configuration Area ########
3.11      knu       121: use Cwd;
                    122:
3.12    ! knu       123: # == EDIT this ==
3.1       knu       124: # User configuration is stored in
3.11      knu       125: $config = undef;
                    126:
                    127: for ($ENV{CVSWEB_CONFIG}, '/usr/local/etc/cvsweb.conf', getcwd . '/cvsweb.conf') {
3.12    ! knu       128:   $config = $_ if defined($_) && -r $_;
3.11      knu       129: }
3.1       knu       130:
                    131: # == Configuration defaults ==
                    132: # Defaults for configuration variables that shouldn't need
                    133: # to be configured..
                    134: $allow_version_select = 1;
                    135:
                    136: ##### End of Configuration Area   ########
                    137:
                    138: ######## Configuration variables #########
                    139: # These are defined to allow checking with perl -cw
                    140: %CVSROOT = %MIRRORS = %DEFAULTVALUE = %ICONS = %MTYPES =
                    141: %tags = %alltags = @tabcolors = ();
                    142: $cvstreedefault = $body_tag = $logo = $defaulttitle = $address =
                    143: $backcolor = $long_intro = $short_instruction = $shortLogLen =
                    144: $show_author = $dirtable = $tablepadding = $columnHeaderColorDefault =
3.3       knu       145: $columnHeaderColorSorted = $hr_breakable = $showfunc = $hr_ignwhite =
3.1       knu       146: $hr_ignkeysubst = $diffcolorHeading = $diffcolorEmpty = $diffcolorRemove =
                    147: $diffcolorChange = $diffcolorAdd = $diffcolorDarkChange = $difffontface =
                    148: $difffontsize = $inputTextSize = $mime_types = $allow_annotate =
                    149: $allow_markup = $use_java_script = $open_extern_window =
                    150: $extern_window_width = $extern_window_height = $edit_option_form =
                    151: $checkout_magic = $show_subdir_lastmod = $show_log_in_markup = $v =
3.12    ! knu       152: $navigationHeaderColor = $tableBorderColor = $markupLogColor =
3.1       knu       153: $tabstop = $use_moddate = $moddate = undef;
1.21      wosch     154:
3.1       knu       155: ##### End of configuration variables #####
                    156:
                    157: use Time::Local;
                    158: use IPC::Open2;
1.1       jfieber   159:
                    160: $verbose = $v;
3.1       knu       161: $checkoutMagic = "~checkout~";
3.3       knu       162: $pathinfo = defined($ENV{PATH_INFO}) ? $ENV{PATH_INFO} : '';
                    163: $where = $pathinfo;
3.1       knu       164: $doCheckout = ($where =~ /^\/$checkoutMagic/);
                    165: $where =~ s|^/($checkoutMagic)?||;
                    166: $where =~ s|/+$||;
3.3       knu       167: $scriptname = defined($ENV{SCRIPT_NAME}) ? $ENV{SCRIPT_NAME} : '';
                    168: $scriptname =~ s|^/?|/|;
3.1       knu       169: $scriptname =~ s|/+$||;
3.3       knu       170: $scriptwhere = $scriptname;
3.1       knu       171: if ($where) {
3.3       knu       172:     $scriptwhere .= '/' . urlencode($where);
3.1       knu       173: }
3.3       knu       174:
                    175: $is_mod_perl = defined($ENV{MOD_PERL});
3.1       knu       176:
                    177: # in lynx, it it very annoying to have two links
                    178: # per file, so disable the link at the icon
                    179: # in this case:
3.12    ! knu       180: $Browser = $ENV{HTTP_USER_AGENT};
3.5       knu       181: $is_lynx = ($Browser =~ m`^Lynx/`i);
                    182: $is_w3m = ($Browser =~ m`^w3m/`i);
3.3       knu       183: $is_msie = ($Browser =~ m`MSIE`);
3.5       knu       184: $is_mozilla3 = ($Browser =~ m`^Mozilla/[3-9]`);
3.3       knu       185:
3.5       knu       186: $is_textbased = ($is_lynx || $is_w3m);
                    187:
                    188: $nofilelinks = $is_textbased;
3.1       knu       189:
                    190: # newer browsers accept gzip content encoding
                    191: # and state this in a header
                    192: # (netscape did always but didn't state it)
                    193: # It has been reported that these
                    194: #  braindamaged MS-Internet Exploders claim that they
                    195: # accept gzip .. but don't in fact and
                    196: # display garbage then :-/
                    197: # Turn off gzip if running under mod_perl. piping does
                    198: # not work as expected inside the server. One can probably
                    199: # achieve the same result using Apache::GZIPFilter.
3.12    ! knu       200: $maycompress = (($ENV{HTTP_ACCEPT_ENCODING} =~ m`gzip`
        !           201:                 || $is_mozilla3)
        !           202:                && !$is_msie
        !           203:                && !$is_mod_perl);
3.1       knu       204:
                    205: # put here the variables we need in order
                    206: # to hold our state - they will be added (with
3.12    ! knu       207: # their current value) to any link/query string
3.1       knu       208: # you construct
3.6       knu       209: @stickyvars = qw(cvsroot hideattic sortby logsort f only_with_tag);
1.1       jfieber   210:
3.1       knu       211: if (-f $config) {
3.3       knu       212:     do $config;
3.1       knu       213: }
                    214: else {
                    215:    &fatal("500 Internal Error",
                    216:          'Configuration not found.  Set the variable <code>$config</code> '
                    217:           . 'in cvsweb.cgi, or the environment variable '
                    218:           . '<code>CVSWEB_CONFIG</code>, to your <b>cvsweb.conf</b> '
                    219:           . 'configuration file first.');
                    220: }
                    221:
                    222: undef %input;
3.3       knu       223: $query = $ENV{QUERY_STRING};
                    224:
3.12    ! knu       225: if (defined($query) && $query ne '') {
1.9       fenner    226:     foreach (split(/&/, $query)) {
1.7       fenner    227:        s/%(..)/sprintf("%c", hex($1))/ge;      # unquote %-quoted
                    228:        if (/(\S+)=(.*)/) {
3.1       knu       229:            $input{$1} = $2 if ($2 ne "");
                    230:        }
                    231:        else {
1.7       fenner    232:            $input{$_}++;
                    233:        }
                    234:     }
                    235: }
1.10      wosch     236:
3.12    ! knu       237: # For backwards compability, set only_with_tag to only_on_branch if set.
3.1       knu       238: $input{only_with_tag} = $input{only_on_branch}
                    239:     if (defined($input{only_on_branch}));
1.10      wosch     240:
3.1       knu       241: $DEFAULTVALUE{'cvsroot'} = $cvstreedefault;
1.10      wosch     242:
3.1       knu       243: foreach (keys %DEFAULTVALUE)
                    244: {
                    245:     # replace not given parameters with the default parameters
                    246:     if (!defined($input{$_}) || $input{$_} eq "") {
                    247:        # Empty Checkboxes in forms return -- nothing. So we define a helper
                    248:        # variable in these forms (copt) which indicates that we just set
                    249:        # parameters with a checkbox
                    250:        if (!defined($input{"copt"})) {
                    251:            # 'copt' isn't defined --> empty input is not the result
                    252:            # of empty input checkbox --> set default
                    253:            $input{$_} = $DEFAULTVALUE{$_} if (defined($DEFAULTVALUE{$_}));
                    254:        }
                    255:        else {
                    256:            # 'copt' is defined -> the result of empty input checkbox
                    257:            # -> set to zero (disable) if default is a boolean (0|1).
                    258:            $input{$_} = 0
                    259:                if (defined($DEFAULTVALUE{$_})
                    260:                    && ($DEFAULTVALUE{$_} eq "0" || $DEFAULTVALUE{$_} eq "1"));
                    261:        }
1.10      wosch     262:     }
                    263: }
3.12    ! knu       264:
3.1       knu       265: $barequery = "";
                    266: foreach (@stickyvars) {
                    267:     # construct a query string with the sticky non default parameters set
3.12    ! knu       268:     if (defined($input{$_}) && $input{$_} ne '' &&
3.4       knu       269:        !(defined($DEFAULTVALUE{$_}) && $input{$_} eq $DEFAULTVALUE{$_})) {
                    270:         if ($barequery) {
3.1       knu       271:            $barequery = $barequery . "&amp;";
                    272:        }
                    273:        my $thisval = urlencode($_) . "=" . urlencode($input{$_});
                    274:        $barequery .= $thisval;
                    275:     }
                    276: }
                    277: # is there any query ?
                    278: if ($barequery) {
                    279:     $query = "?$barequery";
                    280:     $barequery = "&amp;" . $barequery;
                    281: }
                    282: else {
                    283:     $query = "";
                    284: }
                    285:
                    286: # get actual parameters
                    287: $sortby = $input{"sortby"};
                    288: $bydate = 0;
                    289: $byrev = 0;
                    290: $byauthor = 0;
                    291: $bylog = 0;
                    292: $byfile = 0;
                    293: if ($sortby eq "date") {
                    294:     $bydate = 1;
                    295: }
                    296: elsif ($sortby eq "rev") {
                    297:     $byrev = 1;
                    298: }
                    299: elsif ($sortby eq "author") {
                    300:     $byauthor = 1;
                    301: }
                    302: elsif ($sortby eq "log") {
                    303:     $bylog = 1;
                    304: }
                    305: else {
                    306:     $byfile = 1;
                    307: }
                    308:
                    309: $hr_default = $input{'f'} eq 'h';
                    310:
3.3       knu       311: $logsort = $input{'logsort'};
1.10      wosch     312:
1.12      fenner    313:
3.1       knu       314: ## Default CVS-Tree
                    315: if (!defined($CVSROOT{$cvstreedefault})) {
                    316:    &fatal("500 Internal Error",
                    317:          "<code>\$cvstreedefault</code> points to a repository "
                    318:          . "not defined in <code>%CVSROOT</code> "
                    319:          . "(edit your configuration file $config)");
                    320: }
                    321:
                    322: # alternate CVS-Tree, configured in cvsweb.conf
                    323: if ($input{'cvsroot'} && $CVSROOT{$input{'cvsroot'}}) {
                    324:     $cvstree = $input{'cvsroot'};
                    325: } else {
                    326:     $cvstree = $cvstreedefault;
1.10      wosch     327: }
                    328:
3.1       knu       329: $cvsroot = $CVSROOT{$cvstree};
1.10      wosch     330:
3.1       knu       331: # create icons out of description
                    332: foreach my $k (keys %ICONS) {
                    333:     no strict 'refs';
                    334:     my ($itxt,$ipath,$iwidth,$iheight) = @{$ICONS{$k}};
                    335:     if ($ipath) {
3.3       knu       336:        ${"${k}icon"} = "<IMG SRC=\"$ipath\" ALT=\"$itxt\" BORDER=\"0\" WIDTH=\"$iwidth\" HEIGHT=\"$iheight\">";
1.16      wosch     337:     }
3.1       knu       338:     else {
3.3       knu       339:        ${"${k}icon"} = $itxt;
1.24      wosch     340:     }
                    341: }
                    342:
3.1       knu       343: # Do some special configuration for cvstrees
                    344: do "$config-$cvstree" if (-f "$config-$cvstree");
                    345:
                    346: $prcategories = '(?:' . join('|', @prcategories) . ')';
1.24      wosch     347:
3.1       knu       348: $fullname = $cvsroot . '/' . $where;
                    349: $mimetype = &getMimeTypeFromSuffix ($fullname);
                    350: $defaultTextPlain = ($mimetype eq "text/plain");
                    351: $defaultViewable = $allow_markup && viewable($mimetype);
                    352:
                    353: # search for GZIP if compression allowed
                    354: # We've to find out if the GZIP-binary exists .. otherwise
                    355: # ge get an Internal Server Error if we try to pipe the
3.12    ! knu       356: # output through the nonexistent gzip ..
3.1       knu       357: # any more elegant ways to prevent this are welcome!
                    358: if ($allow_compress && $maycompress) {
                    359:     foreach (split(/:/, $ENV{PATH})) {
                    360:        if (-x "$_/gzip") {
                    361:            $GZIPBIN = "$_/gzip";
                    362:            last;
1.16      wosch     363:        }
                    364:     }
                    365: }
                    366:
3.1       knu       367: if (-d $fullname) {
                    368:     #
                    369:     # ensure, that directories always end with (exactly) one '/'
                    370:     # to allow relative URL's. If they're not, make a redirect.
                    371:     ##
                    372:     if (!($pathinfo =~ m|/$|) || ($pathinfo =~ m |/{2,}$|)) {
                    373:        redirect ($scriptwhere . '/' . $query);
                    374:     }
                    375:     else {
                    376:        $where .= '/';
                    377:        $scriptwhere .= '/';
                    378:     }
                    379: }
                    380:
                    381: if (!-d $cvsroot) {
                    382:     &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.');
                    383: }
                    384:
                    385: #
                    386: # See if the module is in our forbidden list.
                    387: #
                    388: $where =~ m:([^/]*):;
                    389: $module = $1;
                    390: if ($module && &forbidden_module($module)) {
                    391:     &fatal("403 Forbidden", "Access to $where forbidden.");
                    392: }
                    393: ##############################
                    394: # View a directory
                    395: ###############################
                    396: elsif (-d $fullname) {
                    397:        my $dh = do {local(*DH);};
                    398:        opendir($dh, $fullname) || &fatal("404 Not Found","$where: $!");
                    399:        my @dir = readdir($dh);
                    400:        closedir($dh);
                    401:        my @subLevelFiles = findLastModifiedSubdirs(@dir)
                    402:            if ($show_subdir_lastmod);
                    403:        getDirLogs($cvsroot,$where,@subLevelFiles);
                    404:
                    405:        if ($where eq '/') {
3.3       knu       406:            html_header($defaulttitle);
3.2       knu       407:            $long_intro =~ s/!!CVSROOTdescr!!/$CVSROOTdescr{$cvstree}/g;
3.1       knu       408:            print $long_intro;
                    409:        }
                    410:        else {
3.3       knu       411:            html_header($where);
3.1       knu       412:            print $short_instruction;
                    413:        }
                    414:
                    415:        my $descriptions;
                    416:        if (($use_descriptions) && open (DESC, "<$cvsroot/CVSROOT/descriptions")) {
                    417:            while (<DESC>) {
                    418:                chomp;
                    419:                my ($dir,$description) = /(\S+)\s+(.*)/;
                    420:                $descriptions{$dir} = $description;
                    421:            }
                    422:        }
                    423:
                    424:        print "<P><a name=\"dirlist\"></a>\n";
                    425:        # give direct access to dirs
                    426:        if ($where eq '/') {
                    427:            chooseMirror();
                    428:            chooseCVSRoot();
                    429:        }
                    430:        else {
                    431:            print "<p>Current directory: <b>", &clickablePath($where,0), "</b>\n";
                    432:
                    433:            print "<P>Current tag: <B>", $input{only_with_tag}, "</b>\n" if
                    434:                $input{only_with_tag};
1.16      wosch     435:
1.1       jfieber   436:        }
3.12    ! knu       437:
3.1       knu       438:
                    439:        print "<HR NOSHADE>\n";
1.1       jfieber   440:        # Using <MENU> in this manner violates the HTML2.0 spec but
                    441:        # provides the results that I want in most browsers.  Another
                    442:        # case of layout spooging up HTML.
3.12    ! knu       443:
3.1       knu       444:        my $infocols = 0;
                    445:        if ($dirtable) {
                    446:            if (defined($tableBorderColor)) {
                    447:                # Can't this be done by defining the border for the inner table?
                    448:                print "<table border=0 cellpadding=0 width=\"100%\"><tr><td bgcolor=\"$tableBorderColor\">";
                    449:            }
                    450:            print "<table  width=\"100%\" border=0 cellspacing=1 cellpadding=$tablepadding>\n";
                    451:            $infocols++;
3.12    ! knu       452:            print "<tr><th align=left bgcolor=\"" . (($byfile) ?
        !           453:                                                   $columnHeaderColorSorted :
3.1       knu       454:                                                   $columnHeaderColorDefault) . "\">";
                    455:            print "<a href=\"./" . &toggleQuery("sortby","file") .
                    456:                "#dirlist\">" if (!$byfile);
                    457:            print "File";
                    458:            print "</a>" if (!$byfile);
                    459:            print "</th>";
                    460:            # do not display the other column-headers, if we do not have any files
                    461:            # with revision information:
                    462:            if (scalar(%fileinfo)) {
                    463:                $infocols++;
3.12    ! knu       464:                print "<th align=left bgcolor=\"" . (($byrev) ?
        !           465:                                                   $columnHeaderColorSorted :
3.1       knu       466:                                                   $columnHeaderColorDefault) . "\">";
                    467:                print "<a href=\"./" . &toggleQuery ("sortby","rev") .
                    468:                    "#dirlist\">" if (!$byrev);
                    469:                print "Rev.";
                    470:                print "</a>" if (!$byrev);
                    471:                print "</th>";
                    472:                $infocols++;
3.12    ! knu       473:                print "<th align=left bgcolor=\"" . (($bydate) ?
        !           474:                                                   $columnHeaderColorSorted :
3.1       knu       475:                                                   $columnHeaderColorDefault) . "\">";
                    476:                print "<a href=\"./" . &toggleQuery ("sortby","date") .
                    477:                    "#dirlist\">" if (!$bydate);
                    478:                print "Age";
                    479:                print "</a>" if (!$bydate);
                    480:                print "</th>";
                    481:                if ($show_author) {
                    482:                    $infocols++;
3.12    ! knu       483:                    print "<th align=left bgcolor=\"" . (($byauthor) ?
        !           484:                                                   $columnHeaderColorSorted :
3.1       knu       485:                                                   $columnHeaderColorDefault) . "\">";
                    486:                    print "<a href=\"./" . &toggleQuery ("sortby","author") .
                    487:                            "#dirlist\">" if (!$byauthor);
                    488:                    print "Author";
                    489:                    print "</a>" if (!$byauthor);
                    490:                    print "</th>";
                    491:                }
                    492:                $infocols++;
3.12    ! knu       493:                print "<th align=left bgcolor=\"" . (($bylog) ?
        !           494:                                               $columnHeaderColorSorted :
3.1       knu       495:                                               $columnHeaderColorDefault) . "\">";
                    496:                print "<a href=\"./", toggleQuery("sortby","log"), "#dirlist\">" if (!$bylog);
                    497:                print "Last log entry";
                    498:                print "</a>" if (!$bylog);
                    499:                print "</th>";
                    500:            }
                    501:            elsif ($use_descriptions) {
                    502:                print "<th align=left bgcolor=\"". $columnHeaderColorDefault . "\">";
                    503:                print "Description";
                    504:                $infocols++;
                    505:            }
                    506:            print "</tr>\n";
                    507:        }
                    508:        else {
                    509:            print "<menu>\n";
                    510:        }
                    511:        my $dirrow = 0;
3.12    ! knu       512:
3.1       knu       513:        my $i;
1.9       fenner    514:        lookingforattic:
                    515:        for ($i = 0; $i <= $#dir; $i++) {
                    516:                if ($dir[$i] eq "Attic") {
3.1       knu       517:                    last lookingforattic;
1.9       fenner    518:                }
                    519:        }
3.1       knu       520:        if (!$input{'hideattic'} && ($i <= $#dir) &&
                    521:            opendir($dh, $fullname . "/Attic")) {
                    522:            splice(@dir, $i, 1,
                    523:                        grep((s|^|Attic/|,!m|/\.|), readdir($dh)));
                    524:            closedir($dh);
1.9       fenner    525:        }
3.1       knu       526:
3.12    ! knu       527:        my $hideAtticToggleLink = "<a href=\"./" .
3.1       knu       528:                &toggleQuery ("hideattic") .
                    529:                "#dirlist\">[Hide]</a>" if (!$input{'hideattic'});
                    530:
1.9       fenner    531:        # Sort without the Attic/ pathname.
3.1       knu       532:        # place directories first
                    533:
                    534:        my $attic;
                    535:        my $url;
                    536:        my $fileurl;
                    537:        my $filesexists;
                    538:        my $filesfound;
                    539:
                    540:        foreach (sort { &fileSortCmp } @dir) {
1.1       jfieber   541:            if ($_ eq '.') {
                    542:                next;
                    543:            }
1.19      wosch     544:            # ignore CVS lock and stale NFS files
3.1       knu       545:            next if (/^#cvs\.|^,|^\.nfs/);
                    546:
                    547:            # Check whether to show the CVSROOT path
                    548:            next if ($input{'hidecvsroot'} && ($_ eq 'CVSROOT'));
                    549:
                    550:            # Check whether the module is in the restricted list
                    551:            next if ($_ && &forbidden_module($_));
                    552:
                    553:            # Ignore non-readable files
                    554:            next if ($input{'hidenonreadable'} && !(-r "$fullname/$_"));
1.18      wosch     555:
1.9       fenner    556:            if (s|^Attic/||) {
3.1       knu       557:                $attic  = " (in the Attic)&nbsp;" . $hideAtticToggleLink;
                    558:            }
                    559:            else {
1.9       fenner    560:                $attic = "";
                    561:            }
3.1       knu       562:
                    563:            if ($_ eq '..' || -d "$fullname/$_") {
                    564:                next if ($_ eq '..' && $where eq '/');
                    565:                my ($rev,$date,$log,$author,$filename) = @{$fileinfo{$_}}
                    566:                    if (defined($fileinfo{$_}));
                    567:                print "<tr bgcolor=\"" . @tabcolors[$dirrow%2] . "\"><td>" if ($dirtable);
                    568:                if ($_ eq '..') {
                    569:                    $url = "../" . $query;
                    570:                    if ($nofilelinks) {
                    571:                        print $backicon;
                    572:                    }
                    573:                    else {
                    574:                        print &link($backicon,$url);
                    575:                    }
                    576:                    print " ", &link("Previous Directory",$url);
                    577:                }
                    578:                else {
                    579:                    $url = urlencode($_) . '/' . $query;
                    580:                    print "<A NAME=\"$_\"></A>";
                    581:                    if ($nofilelinks) {
                    582:                        print $diricon;
                    583:                    }
                    584:                    else {
                    585:                        print &link($diricon,$url);
                    586:                    }
                    587:                    print " ", &link($_ . "/", $url), $attic;
                    588:                    if ($_ eq "Attic") {
3.12    ! knu       589:                        print "&nbsp; <a href=\"./" .
3.1       knu       590:                            &toggleQuery ("hideattic") .
                    591:                                "#dirlist\">[Don't hide]</a>";
                    592:                    }
3.12    ! knu       593:                }
3.1       knu       594:                # Show last change in dir
                    595:                if ($filename) {
                    596:                    print "</td><td>&nbsp;</td><td>&nbsp;" if ($dirtable);
                    597:                    if ($date) {
                    598:                        print " <i>" . readableTime(time() - $date,0) . "</i>";
                    599:                    }
                    600:                    if ($show_author) {
                    601:                        print "</td><td>&nbsp;" if ($dirtable);
                    602:                        print $author;
                    603:                    }
                    604:                    print "</td><td>&nbsp;" if ($dirtable);
                    605:                    $filename =~ s%^[^/]+/%%;
                    606:                    print "$filename/$rev";
                    607:                    print "<BR>" if ($dirtable);
                    608:                    if ($log) {
                    609:                        print "&nbsp;<font size=-1>"
                    610:                            . &htmlify(substr($log,0,$shortLogLen));
                    611:                        if (length $log > 80) {
                    612:                            print "...";
                    613:                        }
                    614:                        print "</font>";
                    615:                    }
                    616:                }
                    617:                else {
                    618:                    my ($dwhere) = ($where ne "/" ? $where : "") . $_;
                    619:                    if ($use_descriptions && defined $descriptions{$dwhere}) {
                    620:                        print "<TD COLSPAN=" . ($infocols-1) . ">&nbsp;" if $dirtable;
                    621:                        print $descriptions{$dwhere};
                    622:                    } elsif ($dirtable && $infocols > 1) {
                    623:                        # close the row with the appropriate number of
                    624:                        # columns, so that the vertical seperators are visible
                    625:                        my($cols) = $infocols;
                    626:                        while ($cols > 1) {
                    627:                            print "</td><td>&nbsp;";
                    628:                            $cols--;
                    629:                        }
                    630:                    }
                    631:                }
                    632:                if ($dirtable) {
                    633:                    print "</td></tr>\n";
                    634:                }
                    635:                else {
                    636:                    print "<br>\n";
                    637:                }
                    638:                $dirrow++;
1.9       fenner    639:            }
3.1       knu       640:            elsif (s/,v$//) {
                    641:                $fileurl = ($attic ? "Attic/" : "") . urlencode($_);
                    642:                $url = $fileurl . $query;
                    643:                my $rev = '';
                    644:                my $date = '';
                    645:                my $log = '';
                    646:                my $author = '';
                    647:                $filesexists++;
                    648:                next if (!defined($fileinfo{$_}));
                    649:                ($rev,$date,$log,$author) = @{$fileinfo{$_}};
                    650:                $filesfound++;
                    651:                print "<tr bgcolor=\"" . @tabcolors[$dirrow%2] . "\"><td>" if ($dirtable);
                    652:                print "<A NAME=\"$_\"></A>";
                    653:                if ($nofilelinks) {
                    654:                    print $fileicon;
                    655:                }
                    656:                else {
                    657:                    print &link($fileicon,$url);
                    658:                }
                    659:                print " ", &link($_, $url), $attic;
                    660:                print "</td><td>&nbsp;" if ($dirtable);
                    661:                download_link($fileurl,
3.12    ! knu       662:                        $rev, $rev,
3.1       knu       663:                        $defaultViewable ? "text/x-cvsweb-markup" : undef);
                    664:                print "</td><td>&nbsp;" if ($dirtable);
                    665:                if ($date) {
                    666:                    print " <i>" . readableTime(time() - $date,0) . "</i>";
                    667:                }
                    668:                if ($show_author) {
                    669:                    print "</td><td>&nbsp;" if ($dirtable);
                    670:                    print $author;
                    671:                }
                    672:                print "</td><td>&nbsp;" if ($dirtable);
                    673:                if ($log) {
                    674:                    print " <font size=-1>" . &htmlify(substr($log,0,$shortLogLen));
                    675:                    if (length $log > 80) {
                    676:                        print "...";
                    677:                    }
                    678:                    print "</font>";
                    679:                }
                    680:                print "</td>" if ($dirtable);
                    681:                print (($dirtable) ? "</tr>" : "<br>");
                    682:                $dirrow++;
                    683:            }
                    684:            print "\n";
                    685:        }
                    686:        if ($dirtable && defined($tableBorderColor)) {
                    687:            print "</td></tr></table>";
                    688:        }
                    689:        print "". ($dirtable == 1) ? "</table>" : "</menu>" . "\n";
3.12    ! knu       690:
3.1       knu       691:        if ($filesexists && !$filesfound) {
                    692:            print "<P><B>NOTE:</B> There are $filesexists files, but none matches the current tag ($input{only_with_tag})\n";
                    693:        }
                    694:        if ($input{only_with_tag} && (!%tags || !$tags{$input{only_with_tag}})) {
                    695:            %tags = %alltags
                    696:        }
3.12    ! knu       697:        if (scalar %tags
        !           698:            || $input{only_with_tag}
3.1       knu       699:            || $edit_option_form
                    700:            || defined($input{"options"})) {
                    701:            print "<hr size=1 NOSHADE>";
                    702:        }
                    703:
                    704:        if (scalar %tags || $input{only_with_tag}) {
                    705:            print "<FORM METHOD=\"GET\" ACTION=\"./\">\n";
                    706:            foreach my $var (@stickyvars) {
                    707:                print "<INPUT TYPE=HIDDEN NAME=\"$var\" VALUE=\"$input{$var}\">\n"
                    708:                    if (defined($input{$var})
                    709:                        && $input{$var} ne $DEFAULTVALUE{$var}
                    710:                        && $input{$var} ne ""
                    711:                        && $var ne "only_with_tag");
                    712:            }
                    713:            print "Show only files with tag:\n";
                    714:            print "<SELECT NAME=only_with_tag";
                    715:            print " onchange=\"submit()\"" if ($use_java_script);
                    716:            print ">";
                    717:            print "<OPTION VALUE=\"\">All tags / default branch\n";
                    718:            foreach my $tag (reverse sort { lc $a cmp lc $b } keys %tags) {
3.12    ! knu       719:                print "<OPTION",defined($input{only_with_tag}) &&
3.1       knu       720:                       $input{only_with_tag} eq $tag ? " SELECTED":"",
                    721:                       ">$tag\n";
                    722:            }
                    723:            print "</SELECT>\n";
                    724:            print "<INPUT TYPE=SUBMIT VALUE=\"Go\">\n";
1.9       fenner    725:            print "</FORM>\n";
                    726:        }
3.1       knu       727:        my $formwhere = $scriptwhere;
                    728:        $formwhere =~ s|Attic/?$|| if ($input{'hideattic'});
                    729:
                    730:        if ($edit_option_form || defined($input{"options"})) {
                    731:            print "<FORM METHOD=\"GET\" ACTION=\"${formwhere}\">\n";
                    732:            print "<INPUT TYPE=HIDDEN NAME=\"copt\" VALUE=\"1\">\n";
                    733:            if ($cvstree ne $cvstreedefault) {
                    734:                print "<INPUT TYPE=HIDDEN NAME=\"cvsroot\" VALUE=\"$cvstree\">\n";
                    735:            }
                    736:            print "<center><table cellpadding=0 cellspacing=0>";
                    737:            print "<tr bgcolor=\"$columnHeaderColorDefault\"><th colspan=2>Preferences</th></tr>";
                    738:            print "<tr><td>Sort files by <SELECT name=\"sortby\">";
                    739:            print "<OPTION VALUE=\"\">File";
                    740:            print "<OPTION",$bydate ? " SELECTED" : ""," VALUE=date>Age";
                    741:            print "<OPTION",$byauthor ? " SELECTED" : ""," VALUE=author>Author"
                    742:                if ($show_author);
                    743:            print "<OPTION",$byrev ? " SELECTED" : ""," VALUE=rev>Revision";
                    744:            print "<OPTION",$bylog ? " SELECTED" : ""," VALUE=log>Log message";
                    745:            print "</SELECT></td>";
                    746:            print "<td>revisions by: \n";
                    747:            print "<SELECT NAME=logsort>\n";
                    748:            print "<OPTION VALUE=cvs",$logsort eq "cvs" ? " SELECTED" : "", ">Not sorted";
                    749:            print "<OPTION VALUE=date",$logsort eq "date" ? " SELECTED" : "", ">Commit date";
                    750:            print "<OPTION VALUE=rev",$logsort eq "rev" ? " SELECTED" : "", ">Revision";
                    751:            print "</SELECT></td></tr>";
                    752:            print "<tr><td>Diff format: ";
3.12    ! knu       753:            printDiffSelect(0);
3.1       knu       754:            print "</td>";
                    755:            print "<td>Show Attic files: ";
3.12    ! knu       756:            print "<INPUT NAME=hideattic TYPE=CHECKBOX", $input{'hideattic'}?" CHECKED":"",
3.1       knu       757:            "></td></tr>\n";
                    758:            print "<tr><td align=center colspan=2><input type=submit value=\"Change Options\">";
                    759:            print "</td></tr></table></center></FORM>\n";
1.12      fenner    760:        }
1.2       jfieber   761:        print &html_footer;
1.1       jfieber   762:        print "</BODY></HTML>\n";
3.12    ! knu       763:     }
3.1       knu       764:
                    765: ###############################
                    766: # View Files
                    767: ###############################
                    768:     elsif (-f $fullname . ',v') {
                    769:        if (defined($input{'rev'}) || $doCheckout) {
                    770:            &doCheckout($fullname, $input{'rev'});
                    771:            exit;
                    772:        }
                    773:        if (defined($input{'annotate'}) && $allow_annotate) {
                    774:            &doAnnotate($input{'annotate'});
                    775:            exit;
                    776:        }
                    777:        if (defined($input{'r1'}) && defined($input{'r2'})) {
                    778:            &doDiff($fullname, $input{'r1'}, $input{'tr1'},
                    779:                    $input{'r2'}, $input{'tr2'}, $input{'f'});
                    780:            exit;
                    781:        }
                    782:        print("going to dolog($fullname)\n") if ($verbose);
                    783:        &doLog($fullname);
                    784: ##############################
                    785: # View Diff
                    786: ##############################
                    787:     }
                    788:     elsif ($fullname =~ s/\.diff$// && -f $fullname . ",v" &&
                    789:           $input{'r1'} && $input{'r2'}) {
                    790:
                    791:        # $where-diff-removal if 'cvs rdiff' is used
                    792:        # .. but 'cvs rdiff'doesn't support some options
                    793:        # rcsdiff does (-w and -p), so it is disabled
                    794:        # $where =~ s/\.diff$//;
                    795:
1.12      fenner    796:        # Allow diffs using the ".diff" extension
                    797:        # so that browsers that default to the URL
                    798:        # for a save filename don't save diff's as
                    799:        # e.g. foo.c
3.1       knu       800:        &doDiff($fullname, $input{'r1'}, $input{'tr1'},
1.12      fenner    801:                $input{'r2'}, $input{'tr2'}, $input{'f'});
                    802:        exit;
3.1       knu       803:     }
                    804:     elsif (($newname = $fullname) =~ s|/([^/]+)$|/Attic/$1| &&
                    805:           -f $newname . ",v") {
1.12      fenner    806:        # The file has been removed and is in the Attic.
                    807:        # Send a redirect pointing to the file in the Attic.
3.1       knu       808:        (my $newplace = $scriptwhere) =~ s|/([^/]+)$|/Attic/$1|;
1.12      fenner    809:        &redirect($newplace);
                    810:        exit;
3.1       knu       811:     }
                    812:     elsif (0 && (my @files = &safeglob($fullname . ",v"))) {
                    813:        http_header("text/plain");
1.12      fenner    814:        print "You matched the following files:\n";
                    815:        print join("\n", @files);
                    816:        # Find the tags from each file
                    817:        # Display a form offering diffs between said tags
3.1       knu       818:     }
                    819:     else {
                    820:        my $fh = do {local(*FH);};
                    821:        my ($xtra, $module);
1.12      fenner    822:        # Assume it's a module name with a potential path following it.
1.13      fenner    823:        $xtra = $& if (($module = $where) =~ s|/.*||);
1.12      fenner    824:        # Is there an indexed version of modules?
3.1       knu       825:        if (open($fh, "$cvsroot/CVSROOT/modules")) {
                    826:            while (<$fh>) {
                    827:                if (/^(\S+)\s+(\S+)/o && $module eq $1
                    828:                    && -d "${cvsroot}/$2" && $module ne $2) {
                    829:                    &redirect($scriptname . '/' . $2 . $xtra);
1.12      fenner    830:                }
3.1       knu       831:            }
1.12      fenner    832:        }
                    833:        &fatal("404 Not Found","$where: no such file or directory");
3.1       knu       834:     }
                    835: ## End MAIN
                    836:
3.12    ! knu       837: sub printDiffSelect($) {
3.1       knu       838:     my ($use_java_script) = @_;
                    839:     my ($f) = $input{'f'};
                    840:     print "<SELECT NAME=\"f\"";
                    841:     print " onchange=\"submit()\"" if ($use_java_script);
                    842:     print ">\n";
                    843:     print "<OPTION VALUE=h",$f eq "h" ? " SELECTED" : "", ">Colored Diff";
                    844:     print "<OPTION VALUE=H",$f eq "H" ? " SELECTED" : "", ">Long Colored Diff";
                    845:     print "<OPTION VALUE=u",$f eq "u" ? " SELECTED" : "", ">Unidiff";
                    846:     print "<OPTION VALUE=c",$f eq "c" ? " SELECTED" : "", ">Context Diff";
                    847:     print "<OPTION VALUE=s",$f eq "s" ? " SELECTED" : "", ">Side by Side";
                    848:     print "</SELECT>";
                    849: }
                    850:
3.12    ! knu       851: sub findLastModifiedSubdirs(@) {
3.1       knu       852:     my (@dirs) = @_;
                    853:     my ($dirname, @files);
                    854:
                    855:     foreach $dirname (@dirs) {
                    856:        next if ($dirname eq ".");
                    857:        next if ($dirname eq "..");
                    858:        my ($dir) = "$fullname/$dirname";
                    859:        next if (!-d $dir);
                    860:
                    861:        my ($lastmod) = undef;
                    862:        my ($lastmodtime) = undef;
                    863:        my $dh = do {local(*DH);};
                    864:
                    865:        opendir($dh,$dir) || next;
                    866:        my (@filenames) = readdir($dh);
                    867:        closedir($dh);
                    868:
                    869:        foreach my $filename (@filenames) {
                    870:            $filename = "$dirname/$filename";
                    871:            my ($file) = "$fullname/$filename";
                    872:            next if ($filename !~ /,v$/ || !-f $file);
                    873:            $filename =~ s/,v$//;
                    874:            my $modtime = -M $file;
                    875:            if (!defined($lastmod) || $modtime < $lastmodtime) {
                    876:                $lastmod = $filename;
                    877:                $lastmodtime = $modtime;
                    878:            }
                    879:        }
                    880:        push(@files, $lastmod) if (defined($lastmod));
                    881:     }
                    882:     return @files;
1.12      fenner    883: }
                    884:
3.12    ! knu       885: sub htmlify($;$) {
3.1       knu       886:        my($string, $pr) = @_;
1.12      fenner    887:
3.1       knu       888:        # Special Characters; RFC 1866
1.12      fenner    889:        $string =~ s/&/&amp;/g;
3.12    ! knu       890:        $string =~ s/\"/&quot;/g;
1.12      fenner    891:        $string =~ s/</&lt;/g;
                    892:        $string =~ s/>/&gt;/g;
                    893:
3.1       knu       894:        # get URL's as link ..
                    895:        $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>`;
                    896:        # get e-mails as link
                    897:        $string =~ s`([-a-zA-Z0-9_.]+@([-a-zA-Z0-9]+\.)+[A-Za-z]{2,4})`<A HREF="mailto:$1">$1</A>`;
                    898:
                    899:        # get #PR as link ..
                    900:        if ($pr && defined($prcgi)) {
3.8       knu       901:            1 while $string =~ s`\b(pr[:#]?\s*(?:#?\d+[,\s]\s*)*#?)(\d+)\b`$1<A HREF="$prcgi$2">$2</A>`i;
                    902:            $string =~ s`\b${prcategories}/(\d+)\b`<A HREF="$prcgi$1">$&</A>`igo;
3.1       knu       903:        }
                    904:
                    905:        return $string;
                    906: }
                    907:
3.12    ! knu       908: sub spacedHtmlText($) {
        !           909:        local $_ = $_[0];
3.1       knu       910:
                    911:        # Cut trailing spaces
                    912:        s/\s+$//;
                    913:
                    914:        # Expand tabs
3.12    ! knu       915:        s/\t+/' ' x (length($&) * $tabstop - length($`) % $tabstop)/e
3.1       knu       916:            if (defined($tabstop));
                    917:
                    918:        # replace <tab> and <space> (\001 is to protect us from htmlify)
                    919:        # gzip can make excellent use of this repeating pattern :-)
3.12    ! knu       920:        s/\001/\001%/g; #protect our & substitute
3.1       knu       921:        if ($hr_breakable) {
                    922:            # make every other space 'breakable'
3.12    ! knu       923:            s/  / \001nbsp; \001nbsp; \001nbsp; \001nbsp;/g;    # <tab>
        !           924:            s/  / \001nbsp;/g;                              # 2 * <space>
3.1       knu       925:            # leave single space as it is
                    926:        }
                    927:        else {
3.12    ! knu       928:            s/  /\001nbsp;\001nbsp;\001nbsp;\001nbsp;\001nbsp;\001nbsp;\001nbsp;\001nbsp;/g;
        !           929:            s/ /\001nbsp;/g;
1.12      fenner    930:        }
                    931:
3.12    ! knu       932:        $_ = htmlify($_);
3.1       knu       933:
                    934:        # unescape
3.12    ! knu       935:        s/\001([^%])/&$1/g;
        !           936:        s/\001%/\001/g;
3.1       knu       937:
3.12    ! knu       938:        return $_;
1.12      fenner    939: }
                    940:
3.12    ! knu       941: sub link($$) {
3.1       knu       942:        my($name, $where) = @_;
1.12      fenner    943:
3.1       knu       944:        return "<A HREF=\"$where\">$name</A>\n";
1.12      fenner    945: }
                    946:
3.12    ! knu       947: sub revcmp($$) {
3.1       knu       948:        my($rev1, $rev2) = @_;
                    949:        my(@r1) = split(/\./, $rev1);
                    950:        my(@r2) = split(/\./, $rev2);
                    951:        my($a,$b);
1.12      fenner    952:
                    953:        while (($a = shift(@r1)) && ($b = shift(@r2))) {
                    954:            if ($a != $b) {
                    955:                return $a <=> $b;
                    956:            }
                    957:        }
                    958:        if (@r1) { return 1; }
                    959:        if (@r2) { return -1; }
                    960:        return 0;
                    961: }
                    962:
3.12    ! knu       963: sub fatal($$) {
3.1       knu       964:        my($errcode, $errmsg) = @_;
3.3       knu       965:        if ($is_mod_perl) {
3.1       knu       966:                Apache->request->status((split(/ /, $errcode))[0]);
                    967:        }
                    968:        else {
3.4       knu       969:                print "Status: $errcode\r\n";
3.1       knu       970:        }
                    971:        html_header("Error");
1.12      fenner    972:        print "Error: $errmsg\n";
                    973:        print &html_footer;
                    974:        exit(1);
                    975: }
                    976:
3.12    ! knu       977: sub redirect($) {
3.1       knu       978:        my($url) = @_;
3.3       knu       979:        if ($is_mod_perl) {
3.1       knu       980:                Apache->request->status(301);
                    981:                Apache->request->header_out(Location => $url);
                    982:        }
                    983:        else {
3.4       knu       984:                print "Status: 301 Moved\r\n";
                    985:                print "Location: $url\r\n";
3.1       knu       986:        }
                    987:        html_header("Moved");
1.12      fenner    988:        print "This document is located <A HREF=$url>here</A>.\n";
                    989:        print &html_footer;
                    990:        exit(1);
                    991: }
                    992:
3.12    ! knu       993: sub safeglob($) {
3.1       knu       994:        my ($filename) = @_;
                    995:        my ($dirname);
                    996:        my (@results);
                    997:        my $dh = do {local(*DH);};
1.12      fenner    998:
                    999:        ($dirname = $filename) =~ s|/[^/]+$||;
                   1000:        $filename =~ s|.*/||;
                   1001:
3.1       knu      1002:        if (opendir($dh, $dirname)) {
                   1003:                my $glob = $filename;
                   1004:                my $t;
1.12      fenner   1005:        #       transform filename from glob to regex.  Deal with:
                   1006:        #       [, {, ?, * as glob chars
                   1007:        #       make sure to escape all other regex chars
                   1008:                $glob =~ s/([\.\(\)\|\+])/\\$1/g;
                   1009:                $glob =~ s/\*/.*/g;
                   1010:                $glob =~ s/\?/./g;
                   1011:                $glob =~ s/{([^}]+)}/($t = $1) =~ s-,-|-g; "($t)"/eg;
3.1       knu      1012:                foreach (readdir($dh)) {
1.12      fenner   1013:                        if (/^${glob}$/) {
                   1014:                                push(@results, $dirname . "/" .$_);
                   1015:                        }
                   1016:                }
                   1017:        }
                   1018:
                   1019:        @results;
                   1020: }
                   1021:
3.12    ! knu      1022: sub getMimeTypeFromSuffix($) {
3.1       knu      1023:     my ($fullname) = @_;
                   1024:     my ($mimetype, $suffix);
                   1025:     my $fh = do {local(*FH);};
                   1026:
                   1027:     ($suffix = $fullname) =~ s/^.*\.([^.]*)$/$1/;
                   1028:     $mimetype = $MTYPES{$suffix};
                   1029:     $mimetype = $MTYPES{'*'} if (!$mimetype);
3.12    ! knu      1030:
3.1       knu      1031:     if (!$mimetype && -f $mime_types) {
                   1032:        # okey, this is something special - search the
                   1033:        # mime.types database
                   1034:        open ($fh, "<$mime_types");
                   1035:        while (<$fh>) {
                   1036:            if ($_ =~ /^\s*(\S+\/\S+).*\b$suffix\b/) {
                   1037:                $mimetype = $1;
                   1038:                last;
                   1039:            }
                   1040:        }
                   1041:        close ($fh);
                   1042:     }
3.12    ! knu      1043:
3.1       knu      1044: # okey, didn't find anything useful ..
                   1045:     if (!($mimetype =~ /\S\/\S/)) {
                   1046:        $mimetype = "text/plain";
                   1047:     }
                   1048:     return $mimetype;
                   1049: }
                   1050:
                   1051: ###############################
                   1052: # show Annotation
                   1053: ###############################
3.12    ! knu      1054: sub doAnnotate($$) {
3.1       knu      1055:     my ($rev) = @_;
                   1056:     my ($pid);
                   1057:     my ($pathname, $filename);
                   1058:     my $reader = do {local(*FH);};
                   1059:     my $writer = do {local(*FH);};
                   1060:
                   1061:     # make sure the revisions a wellformed, for security
                   1062:     # reasons ..
                   1063:     if (!($rev =~ /^[\d\.]+$/)) {
                   1064:        &fatal("404 Not Found",
3.3       knu      1065:                "Malformed query \"$ENV{QUERY_STRING}\"");
3.1       knu      1066:     }
1.12      fenner   1067:
3.1       knu      1068:     ($pathname = $where) =~ s/(Attic\/)?[^\/]*$//;
                   1069:     ($filename = $where) =~ s/^.*\///;
                   1070:
                   1071:     http_header();
                   1072:
3.12    ! knu      1073:     navigateHeader($scriptwhere,$pathname,$filename,$rev, "annotate");
3.1       knu      1074:     print "<h3 align=center>Annotation of $pathname$filename, Revision $rev</h3>\n";
                   1075:
                   1076:     # this seems to be necessary
                   1077:     $| = 1; $| = 0; # Flush
                   1078:
                   1079:     # this annotate version is based on the
                   1080:     # cvs annotate-demo Perl script by Cyclic Software
                   1081:     # It was written by Cyclic Software, http://www.cyclic.com/, and is in
                   1082:     # the public domain.
                   1083:     # we could abandon the use of rlog, rcsdiff and co using
                   1084:     # the cvsserver in a similiar way one day (..after rewrite)
3.12    ! knu      1085:     $pid = open2($reader, $writer, "cvs server") || fatal ("500 Internal Error",
3.1       knu      1086:                                                               "Fatal Error - unable to open cvs for annotation");
3.12    ! knu      1087:
3.1       knu      1088:     # OK, first send the request to the server.  A simplified example is:
                   1089:     #     Root /home/kingdon/zwork/cvsroot
                   1090:     #     Argument foo/xx
                   1091:     #     Directory foo
                   1092:     #     /home/kingdon/zwork/cvsroot/foo
                   1093:     #     Directory .
                   1094:     #     /home/kingdon/zwork/cvsroot
                   1095:     #     annotate
                   1096:     # although as you can see there are a few more details.
3.12    ! knu      1097:
3.1       knu      1098:     print $writer "Root $cvsroot\n";
                   1099:     print $writer "Valid-responses ok error Valid-requests Checked-in Updated Merged Removed M E\n";
                   1100:     # Don't worry about sending valid-requests, the server just needs to
                   1101:     # support "annotate" and if it doesn't, there isn't anything to be done.
                   1102:     print $writer "UseUnchanged\n";
                   1103:     print $writer "Argument -r\n";
                   1104:     print $writer "Argument $rev\n";
                   1105:     print $writer "Argument $where\n";
                   1106:
                   1107:     # The protocol requires us to fully fake a working directory (at
                   1108:     # least to the point of including the directories down to the one
                   1109:     # containing the file in question).
                   1110:     # So if $where is "dir/sdir/file", then @dirs will be ("dir","sdir","file")
3.3       knu      1111:     my @dirs = split('/', $where);
3.1       knu      1112:     my $path = "";
                   1113:     foreach (@dirs) {
                   1114:        if ($path eq "") {
                   1115:            # In our example, $_ is "dir".
                   1116:            $path = $_;
3.12    ! knu      1117:        }
3.1       knu      1118:        else {
3.3       knu      1119:            print $writer "Directory $path\n";
                   1120:            print $writer "$cvsroot/$path\n";
3.1       knu      1121:            # In our example, $_ is "sdir" and $path becomes "dir/sdir"
                   1122:            # And the next time, "file" and "dir/sdir/file" (which then gets
                   1123:            # ignored, because we don't need to send Directory for the file).
3.3       knu      1124:             $path .= "/$_";
3.1       knu      1125:        }
                   1126:     }
                   1127:     # And the last "Directory" before "annotate" is the top level.
                   1128:     print $writer "Directory .\n";
                   1129:     print $writer "$cvsroot\n";
3.12    ! knu      1130:
3.1       knu      1131:     print $writer "annotate\n";
                   1132:     # OK, we've sent our command to the server.  Thing to do is to
                   1133:     # close the writer side and get all the responses.  If "cvs server"
                   1134:     # were nicer about buffering, then we could just leave it open, I think.
                   1135:     close ($writer) || die "cannot close: $!";
3.12    ! knu      1136:
3.1       knu      1137:     # Ready to get the responses from the server.
                   1138:     # For example:
                   1139:     #     E Annotations for foo/xx
                   1140:     #     E ***************
3.12    ! knu      1141:     #     M 1.3          (kingdon  06-Sep-97): hello
3.1       knu      1142:     #     ok
                   1143:     my ($lineNr) = 0;
                   1144:     my ($oldLrev, $oldLusr) = ("", "");
                   1145:     my ($revprint, $usrprint);
                   1146:     if ($annTable) {
                   1147:        print "<table border=0 cellspacing=0 cellpadding=0>\n";
                   1148:     }
                   1149:     else {
                   1150:        print "<pre>";
                   1151:     }
                   1152:     while (<$reader>) {
                   1153:        my @words = split;
                   1154:        # Adding one is for the (single) space which follows $words[0].
                   1155:        my $rest = substr ($_, length ($words[0]) + 1);
                   1156:        if ($words[0] eq "E") {
                   1157:            next;
                   1158:        }
                   1159:        elsif ($words[0] eq "M") {
                   1160:            $lineNr++;
                   1161:            my $lrev = substr ($_, 2, 13);
                   1162:            my $lusr = substr ($_, 16,  9);
                   1163:            my $line = substr ($_, 36);
                   1164:            # we should parse the date here ..
                   1165:            if ($lrev eq $oldLrev) {
                   1166:                $revprint = "             ";
                   1167:            }
                   1168:            else {
                   1169:                $revprint = $lrev; $oldLusr = "";
                   1170:            }
                   1171:            if ($lusr eq $oldLusr) {
                   1172:                $usrprint = "         ";
                   1173:            }
                   1174:            else {
                   1175:                $usrprint = $lusr;
                   1176:            }
                   1177:            $oldLrev = $lrev;
                   1178:            $oldLusr = $lusr;
                   1179:            # is there a less timeconsuming way to strip spaces ?
                   1180:            ($lrev = $lrev) =~ s/\s+//g;
3.3       knu      1181:            my $isCurrentRev = ($rev eq $lrev);
3.12    ! knu      1182:
3.1       knu      1183:            print "<b>" if ($isCurrentRev);
                   1184:            printf ("%8s%s%8s %4d:", $revprint, ($isCurrentRev ? "|" : " "), $usrprint, $lineNr);
                   1185:            print spacedHtmlText($line);
                   1186:            print "</b>" if ($isCurrentRev);
                   1187:        }
                   1188:        elsif ($words[0] eq "ok") {
                   1189:            # We could complain about any text received after this, like the
                   1190:            # CVS command line client.  But for simplicity, we don't.
                   1191:        }
                   1192:        elsif ($words[0] eq "error") {
                   1193:            fatal ("500 Internal Error", "Error occured during annotate: <b>$_</b>");
                   1194:        }
                   1195:     }
                   1196:     if ($annTable) {
                   1197:        print "</table>";
                   1198:     }
                   1199:     else {
                   1200:        print "</pre>";
                   1201:     }
                   1202:     close ($reader) || warn "cannot close: $!";
                   1203:     wait;
                   1204: }
                   1205:
                   1206: ###############################
                   1207: # make Checkout
                   1208: ###############################
3.12    ! knu      1209: sub doCheckout($$) {
3.1       knu      1210:     my ($fullname, $rev) = @_;
                   1211:     my ($mimetype,$revopt);
                   1212:     my $fh = do {local(*FH);};
                   1213:
                   1214:     # make sure the revisions a wellformed, for security
                   1215:     # reasons ..
                   1216:     if (defined($rev) && !($rev =~ /^[\d\.]+$/)) {
                   1217:        &fatal("404 Not Found",
3.3       knu      1218:                "Malformed query \"$ENV{QUERY_STRING}\"");
3.1       knu      1219:     }
                   1220:
                   1221:     # get mimetype
                   1222:     if (defined($input{"content-type"}) && ($input{"content-type"} =~ /\S\/\S/)) {
                   1223:        $mimetype = $input{"content-type"}
                   1224:     }
                   1225:     else {
                   1226:        $mimetype = &getMimeTypeFromSuffix($fullname);
                   1227:     }
                   1228:
                   1229:     if (defined($rev)) {
                   1230:        $revopt = "-r$rev";
                   1231:        if ($use_moddate) {
                   1232:            readLog($fullname,$rev);
                   1233:            $moddate=$date{$rev};
                   1234:        }
                   1235:     }
                   1236:     else {
                   1237:        $revopt = "-rHEAD";
                   1238:        if ($use_moddate) {
                   1239:            readLog($fullname);
                   1240:            $moddate=$date{$symrev{HEAD}};
                   1241:        }
                   1242:     }
3.12    ! knu      1243:
3.1       knu      1244:     ### just for the record:
                   1245:     ### 'cvs co' seems to have a bug regarding single checkout of
                   1246:     ### directories/files having spaces in it;
                   1247:     ### this is an issue that should be resolved on cvs's side
                   1248:     #
                   1249:     # Safely for a child process to read from.
                   1250:     if (! open($fh, "-|")) { # child
                   1251:       open(STDERR, ">&STDOUT"); # Redirect stderr to stdout
3.3       knu      1252:       exec("cvs", "-d", $cvsroot, "co", "-p", $revopt, $where);
3.12    ! knu      1253:     }
3.1       knu      1254: #===================================================================
                   1255: #Checking out squid/src/ftp.c
                   1256: #RCS:  /usr/src/CVS/squid/src/ftp.c,v
                   1257: #VERS: 1.1.1.28.6.2
                   1258: #***************
                   1259:
                   1260:     # Parse CVS header
                   1261:     my ($revision, $filename, $cvsheader);
                   1262:     while(<$fh>) {
                   1263:        last if (/^\*\*\*\*/);
                   1264:        $revision = $1 if (/^VERS: (.*)$/);
                   1265:        if (/^Checking out (.*)$/) {
                   1266:                $filename = $1;
                   1267:                $filename =~ s/^\.\/*//;
1.12      fenner   1268:        }
3.1       knu      1269:        $cvsheader .= $_;
                   1270:     }
                   1271:     if ($filename ne $where) {
                   1272:        &fatal("500 Internal Error",
                   1273:               "Unexpected output from cvs co: $cvsheader"
                   1274:               . "<p><b>Check whether the directory $cvsroot/CVSROOT exists "
                   1275:               . "and the script has write-access to the CVSROOT/history "
                   1276:               . "file if it exists."
                   1277:               . "<br>The script needs to place lock files in the "
                   1278:               . "directory the file is in as well.</b>");
                   1279:     }
                   1280:     $| = 1;
                   1281:
                   1282:     if ($mimetype eq "text/x-cvsweb-markup") {
                   1283:        &cvswebMarkup($fh,$fullname,$revision);
                   1284:     }
                   1285:     else {
                   1286:        http_header($mimetype);
                   1287:        print <$fh>;
                   1288:     }
                   1289:     close($fh);
                   1290: }
                   1291:
3.12    ! knu      1292: sub cvswebMarkup($$$) {
3.1       knu      1293:     my ($filehandle,$fullname,$revision) = @_;
                   1294:     my ($pathname, $filename);
                   1295:
                   1296:     ($pathname = $where) =~ s/(Attic\/)?[^\/]*$//;
                   1297:     ($filename = $where) =~ s/^.*\///;
                   1298:     my ($fileurl) = urlencode($filename);
                   1299:
                   1300:     http_header();
                   1301:
3.12    ! knu      1302:     navigateHeader($scriptwhere, $pathname, $filename, $revision, "view");
3.1       knu      1303:     print "<HR noshade>";
                   1304:     print "<table width=\"100%\"><tr><td bgcolor=\"$markupLogColor\">";
                   1305:     print "File: ", &clickablePath($where, 1);
                   1306:     print "&nbsp;";
                   1307:     &download_link(urlencode($fileurl), $revision, "(download)");
                   1308:     if (!$defaultTextPlain) {
                   1309:        print "&nbsp;";
3.12    ! knu      1310:        &download_link(urlencode($fileurl), $revision, "(as text)",
3.1       knu      1311:               "text/plain");
                   1312:     }
                   1313:     print "<BR>\n";
                   1314:     if ($show_log_in_markup) {
                   1315:        readLog($fullname); #,$revision);
                   1316:        printLog($revision,0);
                   1317:     }
                   1318:     else {
                   1319:        print "Version: <B>$revision</B><BR>\n";
                   1320:        print "Tag: <B>", $input{only_with_tag}, "</b><br>\n" if
                   1321:            $input{only_with_tag};
                   1322:     }
                   1323:     print "</td></tr></table>";
                   1324:     my @content = <$filehandle>;
                   1325:     my $url = download_url($fileurl, $revision, $mimetype);
                   1326:     print "<HR noshade>";
                   1327:     if ($mimetype =~ /^image/) {
                   1328:        print "<IMG SRC=\"$url$barequery\"><BR>";
                   1329:     }
                   1330:     else {
                   1331:        print "<PRE>";
                   1332:        foreach (@content) {
                   1333:            print spacedHtmlText($_);
1.12      fenner   1334:        }
3.1       knu      1335:        print "</PRE>";
                   1336:     }
1.12      fenner   1337: }
                   1338:
3.1       knu      1339: sub viewable($) {
                   1340:     my ($mimetype) = @_;
                   1341:
3.12    ! knu      1342:     $mimetype =~ m%^(text|image)/%;
3.1       knu      1343: }
                   1344:
                   1345: ###############################
                   1346: # Show Colored Diff
                   1347: ###############################
3.12    ! knu      1348: sub doDiff($$$$$$) {
3.1       knu      1349:        my($fullname, $r1, $tr1, $r2, $tr2, $f) = @_;
                   1350:         my $fh = do {local(*FH);};
                   1351:        my ($rev1, $rev2, $sym1, $sym2, @difftype, $diffname, $f1, $f2);
1.12      fenner   1352:
                   1353:        if ($r1 =~ /([^:]+)(:(.+))?/) {
                   1354:            $rev1 = $1;
                   1355:            $sym1 = $3;
                   1356:        }
3.1       knu      1357:        if ($r1 eq 'text') {
1.12      fenner   1358:            $rev1 = $tr1;
3.1       knu      1359:            $sym1 = "";
1.12      fenner   1360:        }
                   1361:        if ($r2 =~ /([^:]+)(:(.+))?/) {
                   1362:            $rev2 = $1;
                   1363:            $sym2 = $3;
                   1364:        }
3.1       knu      1365:        if ($r2 eq 'text') {
1.12      fenner   1366:            $rev2 = $tr2;
3.1       knu      1367:            $sym2 = "";
1.12      fenner   1368:        }
3.1       knu      1369:        # make sure the revisions a wellformed, for security
                   1370:        # reasons ..
1.12      fenner   1371:        if (!($rev1 =~ /^[\d\.]+$/) || !($rev2 =~ /^[\d\.]+$/)) {
                   1372:            &fatal("404 Not Found",
3.3       knu      1373:                    "Malformed query \"$ENV{QUERY_STRING}\"");
1.12      fenner   1374:        }
                   1375: #
                   1376: # rev1 and rev2 are now both numeric revisions.
                   1377: # Thus we do a DWIM here and swap them if rev1 is after rev2.
                   1378: # XXX should we warn about the fact that we do this?
                   1379:        if (&revcmp($rev1,$rev2) > 0) {
3.1       knu      1380:            my ($tmp1, $tmp2) = ($rev1, $sym1);
1.12      fenner   1381:            ($rev1, $sym1) = ($rev2, $sym2);
                   1382:            ($rev2, $sym2) = ($tmp1, $tmp2);
                   1383:        }
3.1       knu      1384:        my $human_readable = 0;
1.12      fenner   1385:        if ($f eq 'c') {
3.1       knu      1386:            @difftype = qw{-c};
1.12      fenner   1387:            $diffname = "Context diff";
3.1       knu      1388:        }
                   1389:        elsif ($f eq 's') {
                   1390:            @difftype = qw{--side-by-side --width=164};
1.12      fenner   1391:            $diffname = "Side by Side";
3.1       knu      1392:        }
                   1393:        elsif ($f eq 'H') {
                   1394:            $human_readable = 1;
                   1395:            @difftype = qw{--unified=15};
                   1396:            $diffname = "Long Human readable";
                   1397:        }
                   1398:        elsif ($f eq 'h') {
                   1399:            @difftype =qw{-u};
                   1400:            $human_readable = 1;
                   1401:            $diffname = "Human readable";
                   1402:        }
                   1403:        elsif ($f eq 'u') {
                   1404:            @difftype = qw{-u};
1.12      fenner   1405:            $diffname = "Unidiff";
                   1406:        }
3.1       knu      1407:        else {
                   1408:            fatal ("400 Bad arguments", "Diff format $f not understood");
                   1409:        }
                   1410:
                   1411:        # apply special options
3.3       knu      1412:        if ($showfunc) {
                   1413:            push @difftype, '-p';
3.1       knu      1414:
3.3       knu      1415:            my($re1, $re2);
3.1       knu      1416:
3.3       knu      1417:            while (($re1, $re2) = each %funcline_regexp) {
                   1418:                if ($fullname =~ /$re1/) {
                   1419:                    push @difftype, '-F', '$re2';
                   1420:                    last;
3.1       knu      1421:                }
                   1422:            }
3.3       knu      1423:        }
                   1424:        if ($human_readable) {
3.1       knu      1425:            if ($hr_ignwhite) {
                   1426:                push @difftype, '-w';
                   1427:            }
                   1428:            if ($hr_ignkeysubst) {
                   1429:                push @difftype, '-kk';
                   1430:            }
                   1431:        }
                   1432:        if (! open($fh, "-|")) { # child
3.3       knu      1433:            open(STDERR, ">&STDOUT"); # Redirect stderr to stdout
                   1434:            exec("rcsdiff",@difftype,"-r$rev1","-r$rev2",$fullname);
3.1       knu      1435:        }
                   1436:        if ($human_readable) {
                   1437:            http_header();
                   1438:            &human_readable_diff($fh, $rev2);
                   1439:            exit;
                   1440:        }
                   1441:        else {
                   1442:            http_header("text/plain");
1.44      knu      1443:        }
1.12      fenner   1444: #
                   1445: #===================================================================
                   1446: #RCS file: /home/ncvs/src/sys/netinet/tcp_output.c,v
                   1447: #retrieving revision 1.16
                   1448: #retrieving revision 1.17
                   1449: #diff -c -r1.16 -r1.17
                   1450: #*** /home/ncvs/src/sys/netinet/tcp_output.c     1995/11/03 22:08:08     1.16
                   1451: #--- /home/ncvs/src/sys/netinet/tcp_output.c     1995/12/05 17:46:35     1.17
                   1452: #
                   1453: # Ideas:
                   1454: # - nuke the stderr output if it's what we expect it to be
                   1455: # - Add "no differences found" if the diff command supplied no output.
                   1456: #
                   1457: #*** src/sys/netinet/tcp_output.c     1995/11/03 22:08:08     1.16
                   1458: #--- src/sys/netinet/tcp_output.c     1995/12/05 17:46:35     1.17 RELENG_2_1_0
                   1459: # (bogus example, but...)
                   1460: #
3.1       knu      1461:        if (grep { $_ eq '-u'} @difftype) {
1.12      fenner   1462:            $f1 = '---';
                   1463:            $f2 = '\+\+\+';
3.1       knu      1464:        }
                   1465:        else {
1.12      fenner   1466:            $f1 = '\*\*\*';
                   1467:            $f2 = '---';
                   1468:        }
3.1       knu      1469:        while (<$fh>) {
1.12      fenner   1470:            if (m|^$f1 $cvsroot|o) {
                   1471:                s|$cvsroot/||o;
                   1472:                if ($sym1) {
                   1473:                    chop;
                   1474:                    $_ .= " " . $sym1 . "\n";
                   1475:                }
3.1       knu      1476:            }
                   1477:            elsif (m|^$f2 $cvsroot|o) {
1.12      fenner   1478:                s|$cvsroot/||o;
                   1479:                if ($sym2) {
                   1480:                    chop;
                   1481:                    $_ .= " " . $sym2 . "\n";
                   1482:                }
                   1483:            }
                   1484:            print $_;
                   1485:        }
3.1       knu      1486:        close($fh);
1.12      fenner   1487: }
                   1488:
3.1       knu      1489: ###############################
                   1490: # Show Logs ..
                   1491: ###############################
3.12    ! knu      1492: sub getDirLogs($$@) {
3.1       knu      1493:     my ($cvsroot,$dirname,@otherFiles) = @_;
                   1494:     my ($state,$otherFiles,$tag, $file, $date, $branchpoint, $branch, $log);
                   1495:     my ($rev, $revision, $revwanted, $filename, $head, $author);
                   1496:
                   1497:     $tag = $input{only_with_tag};
                   1498:
                   1499:     my ($DirName) = "$cvsroot/$where";
                   1500:     my (@files, @filetags);
                   1501:     my $fh = do {local(*FH);};
                   1502:
                   1503:     push(@files, &safeglob("$DirName/*,v"));
                   1504:     push(@files, &safeglob("$DirName/Attic/*,v")) if (!$input{'hideattic'});
                   1505:     foreach $file (@otherFiles) {
                   1506:        push(@files, "$DirName/$file");
                   1507:     }
                   1508:
                   1509:     # just execute rlog if there are any files
3.12    ! knu      1510:     if ($#files < 0) {
3.1       knu      1511:        return;
                   1512:     }
                   1513:
                   1514:     if ($tag) {
                   1515:        #can't use -r<tag> as - is allowed in tagnames, but misinterpreated by rlog..
                   1516:        if (! open($fh, "-|")) {
3.7       knu      1517:                open(STDERR, '>/dev/null'); # rlog may complain; ignore.
                   1518:                exec('rlog', @files);
3.1       knu      1519:        }
                   1520:     }
                   1521:     else {
                   1522:        my $kidpid = open($fh, "-|");
                   1523:        if (! $kidpid) {
3.4       knu      1524:                open(STDERR, '>/dev/null'); # rlog may complain; ignore.
3.7       knu      1525:                exec('rlog', '-r', @files);
3.1       knu      1526:        }
                   1527:     }
                   1528:     $state = "start";
                   1529:     while (<$fh>) {
                   1530:        if ($state eq "start") {
                   1531:            #Next file. Initialize file variables
                   1532:            $rev = undef;
                   1533:            $revwanted = undef;
                   1534:            $branch = undef;
                   1535:            $branchpoint = undef;
                   1536:            $filename = undef;
                   1537:            $log = undef;
                   1538:            $revision = undef;
                   1539:            $branch = undef;
                   1540:            %symrev = ();
                   1541:            @filetags = ();
                   1542:            #jump to head state
                   1543:            $state = "head";
                   1544:        }
                   1545:        print "$state:$_" if ($verbose);
                   1546: again:
                   1547:        if ($state eq "head") {
                   1548:            #$rcsfile = $1 if (/^RCS file: (.+)$/); #not used (yet)
                   1549:            $filename = $1 if (/^Working file: (.+)$/);
                   1550:            $head = $1 if (/^head: (.+)$/);
                   1551:            $branch = $1 if (/^branch: (.+)$/);
                   1552:        }
                   1553:        if ($state eq "head" && /^symbolic names/) {
                   1554:            $state = "tags";
3.12    ! knu      1555:            ($branch = $head) =~ s/\.\d+$// if (!defined($branch));
3.1       knu      1556:            $branch =~ s/(\.?)(\d+)$/${1}0.$2/;
                   1557:            $symrev{MAIN} = $branch;
                   1558:            $symrev{HEAD} = $branch;
                   1559:            $alltags{MAIN} = 1;
                   1560:            $alltags{HEAD} = 1;
                   1561:            push (@filetags, "MAIN", "HEAD");
                   1562:            next;
                   1563:        }
                   1564:        if ($state eq "tags" &&
                   1565:                            /^\s+(.+):\s+([\d\.]+)\s+$/) {
                   1566:            push (@filetags, $1);
                   1567:            $symrev{$1} = $2;
                   1568:            $alltags{$1} = 1;
                   1569:            next;
                   1570:        }
                   1571:        if ($state eq "tags" && /^\S/) {
                   1572:            if (defined($tag) && (defined($symrev{$tag}) || $tag eq "HEAD")) {
                   1573:                $revwanted = $tag eq "HEAD" ? $symrev{"MAIN"} : $symrev{$tag};
                   1574:                ($branch = $revwanted) =~ s/\b0\.//;
                   1575:                ($branchpoint = $branch) =~ s/\.?\d+$//;
                   1576:                $revwanted = undef if ($revwanted ne $branch);
                   1577:            }
                   1578:            elsif (defined($tag) && $tag ne "HEAD") {
                   1579:                print "Tag not found, skip this file" if ($verbose);
                   1580:                $state = "skip";
                   1581:                next;
                   1582:            }
                   1583:            foreach my $tagfound (@filetags) {
                   1584:                $tags{$tagfound} = 1;
                   1585:            }
                   1586:            $state = "head";
                   1587:            goto again;
                   1588:        }
                   1589:        if ($state eq "head" && /^----------------------------$/) {
                   1590:            $state = "log";
                   1591:            $rev = undef;
                   1592:            $date = undef;
                   1593:            $log = "";
                   1594:            # Try to reconstruct the relative filename if RCS spits out a full path
                   1595:            $filename =~ s%^\Q$DirName\E/%%;
                   1596:            next;
                   1597:        }
                   1598:        if ($state eq "log") {
                   1599:            if (/^----------------------------$/
                   1600:                || /^=============================/) {
                   1601:                # End of a log entry.
                   1602:                my $revbranch;
                   1603:                ($revbranch = $rev) =~ s/\.\d+$//;
                   1604:                print "$filename $rev Wanted: $revwanted "
                   1605:                    . "Revbranch: $revbranch Branch: $branch "
                   1606:                    . "Branchpoint: $branchpoint\n" if ($verbose);
                   1607:                if (!defined($revwanted) && defined($branch)
                   1608:                    && $branch eq $revbranch || !defined($tag)) {
                   1609:                    print "File revision $rev found for branch $branch\n"
                   1610:                        if ($verbose);
                   1611:                    $revwanted = $rev;
                   1612:                }
                   1613:                if (defined($revwanted) ? $rev eq $revwanted :
                   1614:                    defined($branchpoint) ? $rev eq $branchpoint :
                   1615:                    0 && ($rev eq $head)) { # Don't think head is needed here..
                   1616:                    print "File info $rev found for $filename\n" if ($verbose);
                   1617:                    my @finfo = ($rev,$date,$log,$author,$filename);
                   1618:                    my ($name);
                   1619:                    ($name = $filename) =~ s%/.*%%;
                   1620:                    $fileinfo{$name} = [ @finfo ];
                   1621:                    $state = "done" if ($rev eq $revwanted);
                   1622:                }
                   1623:                $rev = undef;
                   1624:                $date = undef;
                   1625:                $log = "";
                   1626:            }
                   1627:            elsif (!defined($date) && m|^date:\s+(\d+)/(\d+)/(\d+)\s+(\d+):(\d+):(\d+);|) {
                   1628:                my $yr = $1;
                   1629:                # damn 2-digit year routines :-)
                   1630:                if ($yr > 100) {
                   1631:                    $yr -= 1900;
                   1632:                }
                   1633:                $date = &Time::Local::timegm($6,$5,$4,$3,$2 - 1,$yr);
                   1634:                ($author) = /author: ([^;]+)/;
                   1635:                $state = "log";
                   1636:                $log = '';
                   1637:                next;
                   1638:            }
                   1639:            elsif (!defined($rev) && m/^revision (.*)$/) {
                   1640:                $rev = $1;
                   1641:                next;
                   1642:            }
                   1643:            else {
                   1644:                $log = $log . $_;
                   1645:            }
                   1646:        }
                   1647:        if (/^===============/) {
                   1648:            $state = "start";
                   1649:            next;
                   1650:        }
                   1651:     }
                   1652:     if ($. == 0) {
3.12    ! knu      1653:        fatal("500 Internal Error",
3.1       knu      1654:              "Failed to spawn GNU rlog on <em>'".join(", ", @files)."'</em><p>did you set the <b>\$ENV{PATH}</b> in your configuration file correctly ?");
                   1655:     }
                   1656:     close($fh);
                   1657: }
                   1658:
3.12    ! knu      1659: sub readLog($;$) {
3.1       knu      1660:        my($fullname,$revision) = @_;
                   1661:        my ($symnames, $head, $rev, $br, $brp, $branch, $branchrev);
                   1662:        my $fh = do {local(*FH);};
                   1663:
                   1664:        if (defined($revision)) {
                   1665:            $revision = "-r$revision";
                   1666:        }
                   1667:        else {
                   1668:            $revision = "";
                   1669:        }
                   1670:
                   1671:        undef %symrev;
                   1672:        undef %revsym;
                   1673:        undef @allrevisions;
                   1674:        undef %date;
                   1675:        undef %author;
                   1676:        undef %state;
                   1677:        undef %difflines;
                   1678:        undef %log;
1.12      fenner   1679:
                   1680:        print("Going to rlog '$fullname'\n") if ($verbose);
3.1       knu      1681:        if (! open($fh, "-|")) { # child
                   1682:                if ($revision ne '') {
                   1683:                        exec("rlog",$revision,$fullname);
                   1684:                }
                   1685:                else {
                   1686:                        exec("rlog",$fullname);
                   1687:                }
1.44      knu      1688:        }
3.1       knu      1689:        while (<$fh>) {
1.1       jfieber  1690:            print if ($verbose);
                   1691:            if ($symnames) {
                   1692:                if (/^\s+([^:]+):\s+([\d\.]+)/) {
                   1693:                    $symrev{$1} = $2;
3.1       knu      1694:                }
                   1695:                else {
1.1       jfieber  1696:                    $symnames = 0;
                   1697:                }
3.1       knu      1698:            }
                   1699:            elsif (/^head:\s+([\d\.]+)/) {
                   1700:                $head = $1;
                   1701:            }
                   1702:            elsif (/^branch:\s+([\d\.]+)/) {
                   1703:                $curbranch = $1;
                   1704:            }
                   1705:            elsif (/^symbolic names/) {
1.1       jfieber  1706:                $symnames = 1;
3.1       knu      1707:            }
                   1708:            elsif (/^-----/) {
1.1       jfieber  1709:                last;
                   1710:            }
                   1711:        }
3.1       knu      1712:        ($curbranch = $head) =~ s/\.\d+$// if (!defined($curbranch));
1.7       fenner   1713:
1.1       jfieber  1714: # each log entry is of the form:
                   1715: # ----------------------------
                   1716: # revision 3.7.1.1
                   1717: # date: 1995/11/29 22:15:52;  author: fenner;  state: Exp;  lines: +5 -3
                   1718: # log info
                   1719: # ----------------------------
                   1720:        logentry:
                   1721:        while (!/^=========/) {
3.1       knu      1722:            $_ = <$fh>;
1.12      fenner   1723:            last logentry if (!defined($_));    # EOF
1.1       jfieber  1724:            print "R:", $_ if ($verbose);
                   1725:            if (/^revision ([\d\.]+)/) {
                   1726:                $rev = $1;
3.1       knu      1727:                unshift(@allrevisions,$rev);
                   1728:            }
                   1729:            elsif (/^========/ || /^----------------------------$/) {
1.1       jfieber  1730:                next logentry;
3.1       knu      1731:            }
                   1732:            else {
1.12      fenner   1733:                # The rlog output is syntactically ambiguous.  We must
                   1734:                # have guessed wrong about where the end of the last log
                   1735:                # message was.
                   1736:                # Since this is likely to happen when people put rlog output
                   1737:                # in their commit messages, don't even bother keeping
                   1738:                # these lines since we don't know what revision they go with
                   1739:                # any more.
                   1740:                next logentry;
                   1741: #              &fatal("500 Internal Error","Error parsing RCS output: $_");
1.1       jfieber  1742:            }
3.1       knu      1743:            $_ = <$fh>;
1.1       jfieber  1744:            print "D:", $_ if ($verbose);
3.1       knu      1745:            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+-]+))?|) {
                   1746:                my $yr = $1;
                   1747:                 # damn 2-digit year routines :-)
                   1748:                 if ($yr > 100) {
                   1749:                     $yr -= 1900;
                   1750:                 }
                   1751:                $date{$rev} = &Time::Local::timegm($6,$5,$4,$3,$2 - 1,$yr);
1.1       jfieber  1752:                $author{$rev} = $7;
1.9       fenner   1753:                $state{$rev} = $8;
3.1       knu      1754:                $difflines{$rev} = $10;
                   1755:            }
                   1756:            else {
1.1       jfieber  1757:                &fatal("500 Internal Error", "Error parsing RCS output: $_");
                   1758:            }
                   1759:            line:
3.1       knu      1760:            while (<$fh>) {
1.1       jfieber  1761:                print "L:", $_ if ($verbose);
                   1762:                next line if (/^branches:\s/);
                   1763:                last line if (/^----------------------------$/ || /^=========/);
                   1764:                $log{$rev} .= $_;
                   1765:            }
                   1766:            print "E:", $_ if ($verbose);
                   1767:        }
3.1       knu      1768:        close($fh);
1.1       jfieber  1769:        print "Done reading RCS file\n" if ($verbose);
3.1       knu      1770:
                   1771:        @revorder = reverse sort {revcmp($a,$b)} @allrevisions;
                   1772:        print "Done sorting revisions",join(" ",@revorder),"\n" if ($verbose);
                   1773:
1.1       jfieber  1774: #
                   1775: # HEAD is an artificial tag which is simply the highest tag number on the main
1.8       fenner   1776: # branch, unless there is a branch tag in the RCS file in which case it's the
                   1777: # highest revision on that branch.  Find it by looking through @revorder; it
                   1778: # is the first commit listed on the appropriate branch.
3.1       knu      1779: # This is not neccesary the same revision as marked as head in the RCS file.
                   1780:        my $headrev = $curbranch || "1";
                   1781:        ($symrev{"MAIN"} = $headrev) =~ s/(\.?)(\d+)$/${1}0.$2/;
1.1       jfieber  1782:        revision:
3.1       knu      1783:        foreach $rev (@revorder) {
                   1784:            if ($rev =~ /^(\S*)\.\d+$/ && $headrev eq $1) {
                   1785:                $symrev{"HEAD"} = $rev;
1.1       jfieber  1786:                last revision;
                   1787:            }
                   1788:        }
3.1       knu      1789:        ($symrev{"HEAD"} = $headrev) =~ s/\.\d+$//
                   1790:             if (!defined($symrev{"HEAD"}));
1.1       jfieber  1791:        print "Done finding HEAD\n" if ($verbose);
                   1792: #
                   1793: # Now that we know all of the revision numbers, we can associate
                   1794: # absolute revision numbers with all of the symbolic names, and
                   1795: # pass them to the form so that the same association doesn't have
                   1796: # to be built then.
                   1797: #
3.1       knu      1798:        undef @branchnames;
                   1799:        undef %branchpoint;
                   1800:        undef $sel;
                   1801:
                   1802:        foreach (reverse sort keys %symrev) {
1.1       jfieber  1803:            $rev = $symrev{$_};
3.1       knu      1804:            if ($rev =~ /^((.*)\.)?\b0\.(\d+)$/) {
1.7       fenner   1805:                push(@branchnames, $_);
1.1       jfieber  1806:                #
                   1807:                # A revision number of A.B.0.D really translates into
                   1808:                # "the highest current revision on branch A.B.D".
                   1809:                #
                   1810:                # If there is no branch A.B.D, then it translates into
                   1811:                # the head A.B .
                   1812:                #
3.1       knu      1813:                # This reasoning also applies to the main branch A.B,
                   1814:                # with the branch number 0.A, with the exception that
                   1815:                # it has no head to translate to if there is nothing on
                   1816:                # the branch, but I guess this can never happen?
                   1817:                # (the code below gracefully forgets about the branch
                   1818:                # if it should happen)
                   1819:                #
                   1820:                $head = defined($2) ? $2 : "";
1.1       jfieber  1821:                $branch = $3;
3.1       knu      1822:                $branchrev = $head . ($head ne "" ? "." : "") . $branch;
                   1823:                my $regex;
                   1824:                ($regex = $branchrev) =~ s/\./\\./g;
1.1       jfieber  1825:                $rev = $head;
                   1826:
                   1827:                revision:
3.1       knu      1828:                foreach my $r (@revorder) {
                   1829:                    if ($r =~ /^${regex}\b/) {
                   1830:                        $rev = $branchrev;
1.1       jfieber  1831:                        last revision;
                   1832:                    }
                   1833:                }
3.1       knu      1834:                next if ($rev eq "");
                   1835:                if ($rev ne $head && $head ne "") {
1.8       fenner   1836:                    $branchpoint{$head} .= ", " if ($branchpoint{$head});
                   1837:                    $branchpoint{$head} .= $_;
                   1838:                }
1.1       jfieber  1839:            }
3.1       knu      1840:            $revsym{$rev} .= ", " if ($revsym{$rev});
                   1841:            $revsym{$rev} .= $_;
1.1       jfieber  1842:            $sel .= "<OPTION VALUE=\"${rev}:${_}\">$_\n";
                   1843:        }
                   1844:        print "Done associating revisions with branches\n" if ($verbose);
3.1       knu      1845:
                   1846:        my ($onlyonbranch, $onlybranchpoint);
                   1847:        if ($onlyonbranch = $input{'only_with_tag'}) {
                   1848:            $onlyonbranch = $symrev{$onlyonbranch};
                   1849:            if ($onlyonbranch =~ s/\b0\.//) {
                   1850:                ($onlybranchpoint = $onlyonbranch) =~ s/\.\d+$//;
                   1851:            }
                   1852:             else {
                   1853:                $onlybranchpoint = $onlyonbranch;
                   1854:            }
                   1855:            if (!defined($onlyonbranch) || $onlybranchpoint eq "") {
                   1856:                fatal("404 Tag not found","Tag $input{'only_with_tag'} not defined");
                   1857:            }
1.8       fenner   1858:        }
1.1       jfieber  1859:
3.1       knu      1860:        undef @revisions;
                   1861:
                   1862:        foreach (@allrevisions) {
1.7       fenner   1863:            ($br = $_) =~ s/\.\d+$//;
3.1       knu      1864:            ($brp = $br) =~ s/\.\d+$//;
1.7       fenner   1865:            next if ($onlyonbranch && $br ne $onlyonbranch &&
3.1       knu      1866:                                        $_ ne $onlybranchpoint);
                   1867:            unshift(@revisions,$_);
                   1868:        }
                   1869:
                   1870:        if ($logsort eq "date") {
                   1871:            # Sort the revisions in commit order an secondary sort on revision
                   1872:            # (secondary sort needed for imported sources, or the first main
                   1873:            # revision gets before the same revision on the 1.1.1 branch)
                   1874:            @revdisplayorder = sort {$date{$b} <=> $date{$a} || -revcmp($a, $b)} @revisions;
                   1875:        }
                   1876:         elsif ($logsort eq "rev") {
                   1877:            # Sort the revisions in revision order, highest first
                   1878:            @revdisplayorder = reverse sort {revcmp($a,$b)} @revisions;
                   1879:        }
                   1880:         else {
                   1881:            # No sorting. Present in the same order as rlog / cvs log
                   1882:            @revdisplayorder = @revisions;
                   1883:        }
                   1884:
                   1885: }
                   1886:
                   1887: sub printLog($;$) {
                   1888:        my ($link, $br, $brp);
                   1889:        ($_,$link) = @_;
                   1890:        ($br = $_) =~ s/\.\d+$//;
                   1891:        ($brp = $br) =~ s/\.?\d+$//;
                   1892:        my ($isDead, $prev);
                   1893:
                   1894:        $link = 1 if (!defined($link));
                   1895:        $isDead = ($state{$_} eq "dead");
                   1896:
                   1897:        if ($link && !$isDead) {
                   1898:            my ($filename);
                   1899:            ($filename = $where) =~ s/^.*\///;
                   1900:            my ($fileurl) = urlencode($filename);
1.4       fenner   1901:            print "<a NAME=\"rev$_\"></a>";
3.1       knu      1902:            if (defined($revsym{$_})) {
                   1903:                foreach my $sym (split(", ", $revsym{$_})) {
                   1904:                    print "<a NAME=\"$sym\"></a>";
                   1905:                }
1.4       fenner   1906:            }
3.1       knu      1907:            if (defined($revsym{$br}) && $revsym{$br} && !defined($nameprinted{$br})) {
                   1908:                foreach my $sym (split(", ", $revsym{$br})) {
1.4       fenner   1909:                    print "<a NAME=\"$sym\"></a>";
                   1910:                }
3.1       knu      1911:                $nameprinted{$br} = 1;
1.4       fenner   1912:            }
3.1       knu      1913:            print "\n Revision ";
                   1914:            &download_link($fileurl, $_, $_,
                   1915:                $defaultViewable ? "text/x-cvsweb-markup" : undef);
                   1916:            if ($defaultViewable) {
                   1917:                print " / ";
                   1918:                &download_link($fileurl, $_, "(download)", $mimetype);
                   1919:            }
                   1920:            if (not $defaultTextPlain) {
                   1921:                print " / ";
3.12    ! knu      1922:                &download_link($fileurl, $_, "(as text)",
3.1       knu      1923:                           "text/plain");
                   1924:            }
                   1925:            if (!$defaultViewable) {
                   1926:                print " / ";
                   1927:                &download_link($fileurl, $_, "(view)", "text/x-cvsweb-markup");
                   1928:            }
                   1929:            if ($allow_annotate) {
                   1930:                print " - <a href=\"" . $scriptname . "/" . urlencode($where) . "?annotate=$_$barequery\">";
                   1931:                print "annotate</a>";
                   1932:            }
                   1933:            # Plus a select link if enabled, and this version isn't selected
                   1934:            if ($allow_version_select) {
                   1935:                if ((!defined($input{"r1"}) || $input{"r1"} ne $_)) {
                   1936:                    print " - <A HREF=\"${scriptwhere}?r1=$_$barequery" .
                   1937:                        "\">[select for diffs]</A>\n";
                   1938:                }
                   1939:                else {
                   1940:                    print " - <b>[selected]</b>";
                   1941:                }
                   1942:            }
                   1943:        }
                   1944:        else {
                   1945:            print "Revision <B>$_</B>";
                   1946:        }
                   1947:        if (/^1\.1\.1\.\d+$/) {
                   1948:            print " <i>(vendor branch)</i>";
                   1949:        }
                   1950:        if (defined @mytz) {
                   1951:            my ($est) = $mytz[(localtime($date{$_}))[8]];
                   1952:            print ", <i>" . scalar localtime($date{$_}) . " $est</i> (";
                   1953:        } else {
                   1954:            print ", <i>" . scalar gmtime($date{$_}) . " UTC</i> (";
                   1955:        }
                   1956:        print readableTime(time() - $date{$_},1) . " ago)";
                   1957:        print " by ";
                   1958:        print "<i>" . $author{$_} . "</i>\n";
                   1959:        print "<BR>Branch: <b>",$link?link_tags($revsym{$br}):$revsym{$br},"</b>\n"
                   1960:            if ($revsym{$br});
                   1961:        print "<BR>CVS Tags: <b>",$link?link_tags($revsym{$_}):$revsym{$_},"</b>"
                   1962:            if ($revsym{$_});
                   1963:        print "<BR>Branch point for: <b>",$link?link_tags($branchpoint{$_}):$branchpoint{$_},"</b>\n"
                   1964:            if ($branchpoint{$_});
                   1965:        # Find the previous revision
                   1966:        my @prevrev = split(/\./, $_);
                   1967:        do {
                   1968:            if (--$prevrev[$#prevrev] <= 0) {
1.1       jfieber  1969:                # If it was X.Y.Z.1, just make it X.Y
3.1       knu      1970:                pop(@prevrev);
                   1971:                pop(@prevrev);
                   1972:            }
                   1973:            $prev = join(".", @prevrev);
                   1974:        } until (defined($date{$prev}) || $prev eq "");
                   1975:        if ($prev ne "") {
                   1976:            if ($difflines{$_}) {
                   1977:                print "<BR>Changes since <b>$prev: $difflines{$_} lines</b>";
                   1978:            }
                   1979:        }
                   1980:        if ($isDead) {
                   1981:            print "<BR><B><I>FILE REMOVED</I></B>\n";
                   1982:        }
                   1983:        elsif ($link) {
                   1984:            my %diffrev = ();
                   1985:            $diffrev{$_} = 1;
                   1986:            $diffrev{""} = 1;
                   1987:            print "<BR>Diff";
                   1988:            #
                   1989:            # Offer diff to previous revision
                   1990:            if ($prev) {
                   1991:                $diffrev{$prev} = 1;
                   1992:                print " to previous <A HREF=\"${scriptwhere}.diff?r1=$prev";
                   1993:                print "&amp;r2=$_" . $barequery . "\">$prev</A>\n";
                   1994:                if (!$hr_default) { # offer a human readable version if not default
                   1995:                    print "(<A HREF=\"${scriptwhere}.diff?r1=$prev";
                   1996:                    print "&amp;r2=$_" . $barequery . "&amp;f=h\">colored</A>)\n";
                   1997:                }
                   1998:            }
                   1999:            #
                   2000:            # Plus, if it's on a branch, and it's not a vendor branch,
                   2001:            # offer a diff with the branch point.
                   2002:            if ($revsym{$brp} && !/^1\.1\.1\.\d+$/ && !defined($diffrev{$brp})) {
                   2003:                print " to branchpoint <A HREF=\"${scriptwhere}.diff?r1=$brp";
                   2004:                print "&amp;r2=$_" . $barequery . "\">$brp</A>\n";
                   2005:                if (!$hr_default) { # offer a human readable version if not default
                   2006:                print "(<A HREF=\"${scriptwhere}.diff?r1=$brp";
                   2007:                print "&amp;r2=$_" . $barequery . "&amp;f=h\">colored</A>)\n";
1.1       jfieber  2008:                }
                   2009:            }
3.1       knu      2010:            #
                   2011:            # Plus, if it's on a branch, and it's not a vendor branch,
                   2012:            # offer to diff with the next revision of the higher branch.
                   2013:            # (e.g. change gets committed and then brought
                   2014:            # over to -stable)
                   2015:            if (/^\d+\.\d+\.\d+/ && !/^1\.1\.1\.\d+$/) {
                   2016:                my ($i,$nextmain);
                   2017:                for ($i = 0; $i < $#revorder && $revorder[$i] ne $_; $i++){}
                   2018:                my (@tmp2) = split(/\./, $_);
                   2019:                for ($nextmain = ""; $i > 0; $i--) {
                   2020:                    my ($next) = $revorder[$i-1];
                   2021:                    my (@tmp1) = split(/\./, $next);
1.1       jfieber  2022:                    if ($#tmp1 < $#tmp2) {
3.1       knu      2023:                        $nextmain = $next;
                   2024:                        last;
                   2025:                    }
                   2026:                    # Only the highest version on a branch should have
                   2027:                    # a diff for the "next main".
                   2028:                    last if (join(".",@tmp1[0..$#tmp1-1])
                   2029:                             eq join(".",@tmp2[0..$#tmp1-1]));
                   2030:                }
                   2031:                if (!defined($diffrev{$nextmain})) {
                   2032:                    $diffrev{$nextmain} = 1;
                   2033:                    print " next main <A HREF=\"${scriptwhere}.diff?r1=$nextmain";
                   2034:                    print "&amp;r2=$_" . $barequery .
                   2035:                        "\">$nextmain</A>\n";
                   2036:                    if (!$hr_default) { # offer a human readable version if not default
                   2037:                        print "(<A HREF=\"${scriptwhere}.diff?r1=$nextmain";
                   2038:                        print "&amp;r2=$_" . $barequery .
                   2039:                            "&amp;f=h\">colored</A>)\n";
1.1       jfieber  2040:                    }
                   2041:                }
                   2042:            }
3.1       knu      2043:            # Plus if user has selected only r1, then present a link
                   2044:            # to make a diff to that revision
                   2045:            if (defined($input{"r1"}) && !defined($diffrev{$input{"r1"}})) {
                   2046:                $diffrev{$input{"r1"}} = 1;
                   2047:                print " to selected <A HREF=\"${scriptwhere}.diff?"
                   2048:                        . "r1=$input{'r1'}&amp;r2=$_" . $barequery
                   2049:                        . "\">$input{'r1'}</A>\n";
                   2050:                if (!$hr_default) { # offer a human readable version if not default
                   2051:                    print "(<A HREF=\"${scriptwhere}.diff?r1=$input{'r1'}";
                   2052:                    print "&amp;r2=$_" . $barequery .
                   2053:                        "&amp;f=h\">colored</A>)\n";
                   2054:
                   2055:                }
1.9       fenner   2056:            }
1.1       jfieber  2057:        }
3.1       knu      2058:        print "<PRE>\n";
                   2059:        print &htmlify($log{$_}, 1);
                   2060:        print "</PRE>\n";
                   2061: }
                   2062:
3.12    ! knu      2063: sub doLog($) {
3.1       knu      2064:        my($fullname) = @_;
                   2065:        my ($diffrev, $upwhere, $filename, $backurl);
3.12    ! knu      2066:
3.1       knu      2067:        readLog($fullname);
                   2068:
                   2069:         html_header("CVS log for $where");
                   2070:        ($upwhere = $where) =~ s|(Attic/)?[^/]+$||;
                   2071:         ($filename = $where) =~ s|^.*/||;
                   2072:         $backurl = $scriptname . "/" . urlencode($upwhere) . $query;
                   2073:        print &link($backicon, "$backurl#$filename"),
                   2074:               " <b>Up to ", &clickablePath($upwhere, 1), "</b><p>\n";
3.3       knu      2075:        print <<EOF;
                   2076: <A HREF="#diff">Request diff between arbitrary revisions</A>
                   2077: <HR NOSHADE>
                   2078: EOF
3.1       knu      2079:        if ($curbranch) {
3.3       knu      2080:            print "Default branch: ", ($revsym{$curbranch} || $curbranch);
3.1       knu      2081:        }
                   2082:        else {
                   2083:            print "No default branch";
                   2084:        }
                   2085:        print "<BR>\n";
                   2086:        if ($input{only_with_tag}) {
                   2087:            print "Current tag: $input{only_with_tag}<BR>\n";
                   2088:        }
                   2089:
                   2090:        undef %nameprinted;
                   2091:
                   2092:        for (my $i = 0; $i <= $#revdisplayorder; $i++) {
                   2093:            print "<HR size=1 NOSHADE>";
                   2094:            printLog($revdisplayorder[$i]);
                   2095:        }
                   2096:
                   2097:         print "<HR NOSHADE>";
1.1       jfieber  2098:        print "<A NAME=diff>\n";
                   2099:        print "This form allows you to request diff's between any two\n";
                   2100:        print "revisions of a file.  You may select a symbolic revision\n";
                   2101:        print "name using the selection box or you may type in a numeric\n";
                   2102:        print "name using the type-in text box.\n";
                   2103:        print "</A><P>\n";
3.1       knu      2104:        print "<FORM METHOD=\"GET\" ACTION=\"${scriptwhere}.diff\" NAME=\"diff_select\">\n";
                   2105:         foreach (@stickyvars) {
                   2106:            print "<INPUT TYPE=HIDDEN NAME=\"$_\" VALUE=\"$input{$_}\">\n"
                   2107:                if (defined($input{$_})
                   2108:                    && ($input{$_} ne $DEFAULTVALUE{$_} && $input{$_} ne ""));
                   2109:        }
1.1       jfieber  2110:        print "Diffs between \n";
                   2111:        print "<SELECT NAME=\"r1\">\n";
                   2112:        print "<OPTION VALUE=\"text\" SELECTED>Use Text Field\n";
                   2113:        print $sel;
                   2114:        print "</SELECT>\n";
3.1       knu      2115:        $diffrev = $revdisplayorder[$#revdisplayorder];
                   2116:        $diffrev = $input{"r1"} if (defined($input{"r1"}));
                   2117:        print "<INPUT TYPE=\"TEXT\" SIZE=\"$inputTextSize\" NAME=\"tr1\" VALUE=\"$diffrev\" onChange='document.diff_select.r1.selectedIndex=0'>\n";
1.1       jfieber  2118:        print " and \n";
                   2119:        print "<SELECT NAME=\"r2\">\n";
                   2120:        print "<OPTION VALUE=\"text\" SELECTED>Use Text Field\n";
                   2121:        print $sel;
                   2122:        print "</SELECT>\n";
3.1       knu      2123:        $diffrev = $revdisplayorder[0];
                   2124:        $diffrev = $input{"r2"} if (defined($input{"r2"}));
                   2125:        print "<INPUT TYPE=\"TEXT\" SIZE=\"$inputTextSize\" NAME=\"tr2\" VALUE=\"$diffrev\" onChange='docuement.diff_select.r2.selectedIndex=0'>\n";
                   2126:         print "<BR>Type of Diff should be a&nbsp;";
3.12    ! knu      2127:        printDiffSelect(0);
3.1       knu      2128:        print "<INPUT TYPE=SUBMIT VALUE=\"  Get Diffs  \">\n";
1.1       jfieber  2129:        print "</FORM>\n";
1.7       fenner   2130:        print "<HR noshade>\n";
3.1       knu      2131:         if (@branchnames) {
                   2132:            print "<A name=branch></A>\n";
                   2133:            print "<FORM METHOD=\"GET\" ACTION=\"$scriptwhere\">\n";
                   2134:            foreach (@stickyvars) {
                   2135:                next if ($_ eq "only_with_tag");
                   2136:                next if ($_ eq "logsort");
                   2137:                print "<INPUT TYPE=HIDDEN NAME=\"$_\" VALUE=\"$input{$_}\">\n"
                   2138:                    if (defined($input{$_}) && $input{$_} ne $DEFAULTVALUE{$_}
                   2139:                        && $input{$_} ne "");
                   2140:            }
                   2141:            print "View only Branch: \n";
                   2142:            print "<SELECT NAME=\"only_with_tag\"";
                   2143:            print " onchange=\"submit()\"" if ($use_java_script);
                   2144:            print ">\n";
                   2145:            print "<OPTION VALUE=\"\"";
                   2146:            print " SELECTED" if (defined($input{"only_with_tag"}) &&
                   2147:                $input{"only_with_tag"} eq "");
                   2148:            print ">Show all branches\n";
                   2149:            foreach (reverse sort @branchnames) {
1.9       fenner   2150:                print "<OPTION";
3.1       knu      2151:                print " SELECTED" if (defined($input{"only_with_tag"})
                   2152:                        && $input{"only_with_tag"} eq $_);
1.9       fenner   2153:                print ">${_}\n";
3.1       knu      2154:            }
                   2155:            print "</SELECT>\n";
                   2156:            print "<INPUT TYPE=SUBMIT VALUE=\"  View Branch  \">\n";
                   2157:            print "</FORM>\n";
1.7       fenner   2158:        }
3.1       knu      2159:        print "<A name=logsort></A>\n";
                   2160:        print "<FORM METHOD=\"GET\" ACTION=\"$scriptwhere\">\n";
                   2161:        foreach (@stickyvars) {
                   2162:            next if ($_ eq "only_with_tag");
                   2163:            next if ($_ eq "logsort");
                   2164:            print "<INPUT TYPE=HIDDEN NAME=\"$_\" VALUE=\"$input{$_}\">\n"
                   2165:                if (defined($input{$_}) && $input{$_} ne $DEFAULTVALUE{$_}
                   2166:                    && $input{$_} ne "");
                   2167:        }
                   2168:        print "Sort log by: \n";
                   2169:        print "<SELECT NAME=\"logsort\"";
                   2170:        print " onchange=\"submit()\"" if ($use_java_script);
                   2171:        print ">\n";
                   2172:        print "<OPTION VALUE=cvs",$logsort eq "cvs" ? " SELECTED" : "", ">Not sorted";
                   2173:        print "<OPTION VALUE=date",$logsort eq "date" ? " SELECTED" : "", ">Commit date";
                   2174:        print "<OPTION VALUE=rev",$logsort eq "rev" ? " SELECTED" : "", ">Revision";
1.7       fenner   2175:        print "</SELECT>\n";
3.1       knu      2176:        print "<INPUT TYPE=SUBMIT VALUE=\"  Sort  \">\n";
1.7       fenner   2177:        print "</FORM>\n";
1.2       jfieber  2178:         print &html_footer;
1.1       jfieber  2179:        print "</BODY></HTML>\n";
1.10      wosch    2180: }
                   2181:
3.12    ! knu      2182: sub flush_diff_rows($$$$) {
3.1       knu      2183:     my $j;
                   2184:     my ($leftColRef,$rightColRef,$leftRow,$rightRow) = @_;
                   2185:     if ($state eq "PreChangeRemove") {          # we just got remove-lines before
                   2186:       for ($j = 0 ; $j < $leftRow; $j++) {
                   2187:           print  "<tr><td bgcolor=\"$diffcolorRemove\">@$leftColRef[$j]</td>";
                   2188:           print  "<td bgcolor=\"$diffcolorEmpty\">&nbsp;</td></tr>\n";
                   2189:       }
                   2190:     }
                   2191:     elsif ($state eq "PreChange") {             # state eq "PreChange"
                   2192:       # we got removes with subsequent adds
                   2193:       for ($j = 0; $j < $leftRow || $j < $rightRow ; $j++) {  # dump out both cols
                   2194:           print  "<tr>";
                   2195:           if ($j < $leftRow) {
                   2196:              print  "<td bgcolor=\"$diffcolorChange\">@$leftColRef[$j]</td>";
                   2197:          }
                   2198:           else {
                   2199:              print  "<td bgcolor=\"$diffcolorDarkChange\">&nbsp;</td>";
                   2200:          }
                   2201:           if ($j < $rightRow) {
                   2202:              print  "<td bgcolor=\"$diffcolorChange\">@$rightColRef[$j]</td>";
                   2203:          }
                   2204:           else {
                   2205:              print  "<td bgcolor=\"$diffcolorDarkChange\">&nbsp;</td>";
                   2206:          }
                   2207:           print  "</tr>\n";
                   2208:       }
                   2209:     }
                   2210: }
                   2211:
                   2212: ##
                   2213: # Function to generate Human readable diff-files
                   2214: # human_readable_diff(String revision_to_return_to);
                   2215: ##
                   2216: sub human_readable_diff($){
                   2217:   my ($i,$difftxt, $where_nd, $filename, $pathname, $scriptwhere_nd);
                   2218:   my ($fh, $rev) = @_;
                   2219:   my ($date1, $date2, $r1d, $r2d, $r1r, $r2r, $rev1, $rev2, $sym1, $sym2);
                   2220:   my (@rightCol, @leftCol);
                   2221:
                   2222:   ($where_nd = $where) =~ s/.diff$//;
                   2223:   ($filename = $where_nd) =~ s/^.*\///;
                   2224:   ($pathname = $where_nd) =~ s/(Attic\/)?[^\/]*$//;
                   2225:   ($scriptwhere_nd = $scriptwhere) =~ s/.diff$//;
                   2226:
3.12    ! knu      2227:   navigateHeader($scriptwhere_nd, $pathname, $filename, $rev, "diff");
3.1       knu      2228:
                   2229:   # Read header to pick up read revision and date, if possible
                   2230:   while (<$fh>) {
                   2231:       ($r1d,$r1r) = /\t(.*)\t(.*)$/ if (/^--- /);
                   2232:       ($r2d,$r2r) = /\t(.*)\t(.*)$/ if (/^\+\+\+ /);
                   2233:       last if (/^\+\+\+ /);
                   2234:   }
                   2235:   if (defined($r1r) && $r1r =~ /^(\d+\.)+\d+$/) {
                   2236:     $rev1 = $r1r;
                   2237:     $date1 = $r1d;
                   2238:   }
                   2239:   if (defined($r2r) && $r2r =~ /^(\d+\.)+\d+$/) {
                   2240:     $rev2 = $r2r;
                   2241:     $date2 = $r2d;
                   2242:   }
3.12    ! knu      2243:
3.1       knu      2244:   print "<h3 align=center>Diff for /$where_nd between version $rev1 and $rev2</h3>\n";
                   2245:
                   2246:   print "<table border=0 cellspacing=0 cellpadding=0 width=\"100%\">\n";
                   2247:   print "<tr bgcolor=\"#ffffff\">\n";
                   2248:   print "<th width=\"50%\" valign=TOP>";
                   2249:   print "version $rev1";
                   2250:   print ", $date1" if (defined($date1));
                   2251:   print "<br>Tag: $sym1\n" if ($sym1);
                   2252:   print "</th>\n";
                   2253:   print "<th width=\"50%\" valign=TOP>";
                   2254:   print "version $rev2";
                   2255:   print ", $date2" if (defined($date2));
                   2256:   print "<br>Tag: $sym2\n" if ($sym1);
                   2257:   print "</th>\n";
                   2258:
                   2259:   my $fs = "<font face=\"$difffontface\" size=\"$difffontsize\">";
                   2260:   my $fe = "</font>";
                   2261:
                   2262:   my $leftRow = 0;
                   2263:   my $rightRow = 0;
                   2264:   my ($oldline, $newline, $funname, $diffcode, $rest);
                   2265:
                   2266:   # Process diff text
                   2267:   # The diffrows are could make excellent use of
                   2268:   # cascading style sheets because we've to set the
                   2269:   # font and color for each row. anyone ...?
                   2270:   ####
                   2271:   while (<$fh>) {
                   2272:       $difftxt = $_;
3.12    ! knu      2273:
3.1       knu      2274:       if ($difftxt =~ /^@@/) {
                   2275:          ($oldline,$newline,$funname) = $difftxt =~ /@@ \-([0-9]+).*\+([0-9]+).*@@(.*)/;
                   2276:           print  "<tr bgcolor=\"$diffcolorHeading\"><td width=\"50%\">";
                   2277:          print  "<table width=\"100%\" border=1 cellpadding=5><tr><td><b>Line $oldline</b>";
                   2278:          print  "&nbsp;<font size=-1>$funname</font></td></tr></table>";
                   2279:           print  "</td><td width=\"50%\">";
                   2280:          print  "<table width=\"100%\" border=1 cellpadding=5><tr><td><b>Line $newline</b>";
                   2281:          print  "&nbsp;<font size=-1>$funname</font></td></tr></table>";
                   2282:          print  "</td>\n";
                   2283:          $state = "dump";
                   2284:          $leftRow = 0;
                   2285:          $rightRow = 0;
                   2286:       }
                   2287:       else {
                   2288:          ($diffcode,$rest) = $difftxt =~ /^([-+ ])(.*)/;
                   2289:          $_ = spacedHtmlText ($rest);
                   2290:
                   2291:          # Add fontface, size
                   2292:          $_ = "$fs&nbsp;$_$fe";
3.12    ! knu      2293:
3.1       knu      2294:          #########
                   2295:          # little state machine to parse unified-diff output (Hen, zeller@think.de)
                   2296:          # in order to get some nice 'ediff'-mode output
                   2297:          # states:
                   2298:          #  "dump"             - just dump the value
                   2299:          #  "PreChangeRemove"  - we began with '-' .. so this could be the start of a 'change' area or just remove
                   2300:          #  "PreChange"        - okey, we got several '-' lines and moved to '+' lines -> this is a change block
                   2301:          ##########
                   2302:
                   2303:          if ($diffcode eq '+') {
                   2304:              if ($state eq "dump") {  # 'change' never begins with '+': just dump out value
                   2305:                  print  "<tr><td bgcolor=\"$diffcolorEmpty\">&nbsp;</td><td bgcolor=\"$diffcolorAdd\">$_</td></tr>\n";
                   2306:              }
                   2307:              else {                   # we got minus before
                   2308:                  $state = "PreChange";
                   2309:                  $rightCol[$rightRow++] = $_;
                   2310:              }
3.12    ! knu      2311:          }
3.1       knu      2312:          elsif ($diffcode eq '-') {
                   2313:              $state = "PreChangeRemove";
                   2314:              $leftCol[$leftRow++] = $_;
                   2315:         }
                   2316:         else {  # empty diffcode
                   2317:             flush_diff_rows \@leftCol, \@rightCol, $leftRow, $rightRow;
                   2318:              print  "<tr><td>$_</td><td>$_</td></tr>\n";
                   2319:              $state = "dump";
                   2320:              $leftRow = 0;
                   2321:              $rightRow = 0;
                   2322:          }
                   2323:       }
                   2324:   }
                   2325:   flush_diff_rows \@leftCol, \@rightCol, $leftRow, $rightRow;
                   2326:
                   2327:   # state is empty if we didn't have any change
                   2328:   if (!$state) {
                   2329:       print "<tr><td colspan=2>&nbsp;</td></tr>";
                   2330:       print "<tr bgcolor=\"$diffcolorEmpty\" >";
                   2331:       print "<td colspan=2 align=center><b>- No viewable Change -</b></td></tr>";
                   2332:   }
                   2333:   print  "</table>";
                   2334:   close($fh);
                   2335:
                   2336:   print "<br><hr noshade width=\"100%\">\n";
                   2337:
                   2338:   print "<table border=0>";
                   2339:
                   2340:   print "<tr><td>";
                   2341:   # print legend
                   2342:   print "<table border=1><tr><td>";
                   2343:   print  "Legend:<br><table border=0 cellspacing=0 cellpadding=1>\n";
                   2344:   print  "<tr><td align=center bgcolor=\"$diffcolorRemove\">Removed from v.$rev1</td><td bgcolor=\"$diffcolorEmpty\">&nbsp;</td></tr>";
                   2345:   print  "<tr bgcolor=\"$diffcolorChange\"><td align=center colspan=2>changed lines</td></tr>";
                   2346:   print  "<tr><td bgcolor=\"$diffcolorEmpty\">&nbsp;</td><td align=center bgcolor=\"$diffcolorAdd\">Added in v.$rev2</td></tr>";
                   2347:   print  "</table></td></tr></table>\n";
                   2348:
                   2349:   print "<td>";
                   2350:   # Print format selector
                   2351:   print "<FORM METHOD=\"GET\" ACTION=\"${scriptwhere}\">\n";
                   2352:   foreach my $var (keys %input) {
                   2353:     next if ($var eq "f");
                   2354:     next if (defined($DEFAULTVALUE{$var})
                   2355:             && $DEFAULTVALUE{$var} eq $input{$var});
                   2356:     print "<INPUT TYPE=HIDDEN NAME=\"",urlencode($var),"\" VALUE=\"",
                   2357:            urlencode($input{$var}),"\">\n";
                   2358:   }
                   2359:   printDiffSelect($use_java_script);
                   2360:   print "<INPUT TYPE=SUBMIT VALUE=\"Show\">\n";
                   2361:   print "</FORM>\n";
                   2362:   print "</td>";
                   2363:
                   2364:   print "</tr></table>";
                   2365: }
                   2366:
3.12    ! knu      2367: sub navigateHeader($$$$$) {
3.1       knu      2368:     my ($swhere,$path,$filename,$rev,$title) = @_;
                   2369:     $swhere = "" if ($swhere eq $scriptwhere);
                   2370:     $swhere = urlencode($filename) if ($swhere eq "");
                   2371:     print "<\!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.0 Transitional//EN\">";
                   2372:     print "<HTML>\n<HEAD>\n";
3.12    ! knu      2373:     print '<!-- CVSweb $zRevision: 1.93 $  $Revision: 3.11 $ -->';
3.1       knu      2374:     print "\n<TITLE>$path$filename - $title - $rev</TITLE></HEAD>\n";
                   2375:     print  "<BODY BGCOLOR=\"$backcolor\">\n";
                   2376:     print "<table width=\"100%\" border=0 cellspacing=0 cellpadding=1 bgcolor=\"$navigationHeaderColor\">";
                   2377:     print "<tr valign=bottom><td>";
                   2378:     print  "<a href=\"$swhere$query#rev$rev\">$backicon";
                   2379:     print "</a> <b>Return to ", &link("$filename","$swhere$query#rev$rev")," CVS log";
                   2380:     print "</b> $fileicon</td>";
3.12    ! knu      2381:
3.1       knu      2382:     print "<td align=right>$diricon <b>Up to ", &clickablePath($path, 1), "</b></td>";
                   2383:     print "</tr></table>";
                   2384: }
                   2385:
3.12    ! knu      2386: sub plural_write($$) {
3.1       knu      2387:     my ($num,$text) = @_;
                   2388:     if ($num != 1) {
                   2389:        $text = $text . "s";
                   2390:     }
                   2391:     if ($num > 0) {
                   2392:        return $num . " " . $text;
                   2393:     }
                   2394:     else {
                   2395:        return "";
                   2396:     }
                   2397: }
                   2398:
                   2399: ##
                   2400: # print readable timestamp in terms of
                   2401: # '..time ago'
                   2402: # H. Zeller <zeller@think.de>
                   2403: ##
3.12    ! knu      2404: sub readableTime($$) {
3.1       knu      2405:     my ($i, $break, $retval);
                   2406:     my ($secs,$long) = @_;
                   2407:
                   2408:     # this function works correct for time >= 2 seconds
                   2409:     if ($secs < 2) {
                   2410:        return "very little time";
                   2411:     }
                   2412:
                   2413:     my %desc = (1 , 'second',
                   2414:                   60, 'minute',
                   2415:                   3600, 'hour',
                   2416:                   86400, 'day',
                   2417:                   604800, 'week',
                   2418:                   2628000, 'month',
                   2419:                   31536000, 'year');
                   2420:     my @breaks = sort {$a <=> $b} keys %desc;
                   2421:     $i = 0;
3.12    ! knu      2422:     while ($i <= $#breaks && $secs >= 2 * $breaks[$i]) {
3.1       knu      2423:        $i++;
                   2424:     }
                   2425:     $i--;
                   2426:     $break = $breaks[$i];
3.3       knu      2427:     $retval = plural_write(int ($secs / $break), $desc{$break});
3.1       knu      2428:
                   2429:     if ($long == 1 && $i > 0) {
                   2430:        my $rest = $secs % $break;
                   2431:        $i--;
                   2432:        $break = $breaks[$i];
3.12    ! knu      2433:        my $resttime = plural_write(int ($rest / $break),
3.3       knu      2434:                                $desc{$break});
3.1       knu      2435:        if ($resttime) {
                   2436:            $retval = $retval . ", " . $resttime;
                   2437:        }
                   2438:     }
                   2439:
                   2440:     return $retval;
                   2441: }
                   2442:
                   2443: ##
                   2444: # clickablePath(String pathname, boolean last_item_clickable)
                   2445: #
                   2446: # returns a html-ified path whereas each directory is a link for
                   2447: # faster navigation. last_item_clickable controls whether the
                   2448: # basename (last directory/file) is a link as well
                   2449: ##
                   2450: sub clickablePath($$) {
3.12    ! knu      2451:     my ($pathname,$clickLast) = @_;
3.1       knu      2452:     my $retval = '';
3.12    ! knu      2453:
3.1       knu      2454:     if ($pathname eq '/') {
                   2455:        # this should never happen - chooseCVSRoot() is
                   2456:        # intended to do this
                   2457:        $retval = "[$cvstree]";
                   2458:     }
                   2459:     else {
                   2460:        $retval = $retval . " <a href=\"${scriptname}/${query}#dirlist\">[$cvstree]</a>";
                   2461:        my $wherepath = '';
                   2462:        my ($lastslash) = $pathname =~ m|/$|;
                   2463:        foreach (split(/\//, $pathname)) {
                   2464:            $retval = $retval . " / ";
                   2465:            $wherepath = $wherepath . '/' . $_;
                   2466:            my ($last) = "$wherepath/" eq "/$pathname"
3.3       knu      2467:                || $wherepath eq "/$pathname";
3.1       knu      2468:            if ($clickLast || !$last) {
                   2469:                $retval = $retval . "<a href=\"${scriptname}"
                   2470:                    . urlencode($wherepath)
                   2471:                    . (!$last || $lastslash ? '/' : '')
                   2472:                    . ${query}
                   2473:                    . (!$last || $lastslash ? "#dirlist" : "")
                   2474:                    . "\">$_</a>";
                   2475:            }
                   2476:            else { # do not make a link to the current dir
                   2477:                $retval = $retval .  $_;
                   2478:            }
                   2479:        }
                   2480:     }
                   2481:     return $retval;
                   2482: }
                   2483:
                   2484: sub chooseCVSRoot() {
                   2485:     my @foo;
                   2486:     foreach (sort keys %CVSROOT) {
                   2487:        if (-d $CVSROOT{$_}) {
                   2488:            push(@foo, $_);
                   2489:        }
                   2490:     }
                   2491:     if (@foo > 1) {
                   2492:        my ($k);
                   2493:        print "<form method=\"GET\" action=\"${scriptwhere}\">\n";
                   2494:        foreach $k (keys %input) {
3.12    ! knu      2495:            print "<input type=hidden NAME=$k VALUE=$input{$k}>\n"
3.1       knu      2496:                if ($input{$k}) && ($k ne "cvsroot");
                   2497:        }
                   2498:        # Form-Elements look wierd in Netscape if the background
                   2499:        # isn't gray and the form elements are not placed
                   2500:        # within a table ...
                   2501:        print "<table><tr>";
                   2502:        print "<td>CVS Root:</td>";
                   2503:        print "<td>\n<select name=\"cvsroot\"";
                   2504:        print " onchange=\"submit()\"" if ($use_java_script);
                   2505:        print ">\n";
                   2506:        foreach $k (@foo) {
                   2507:            print "<option value=\"$k\"";
3.3       knu      2508:            print " selected" if ($k eq $cvstree);
                   2509:            print ">" . ($CVSROOTdescr{$k} ? $CVSROOTdescr{$k} :
3.1       knu      2510:                        $k). "</option>\n";
                   2511:        }
                   2512:        print "</select>\n</td>";
                   2513:        print "<td><input type=submit value=\"Go\"></td>";
                   2514:        print "</tr></table></form>";
                   2515:     }
                   2516:     else {
                   2517:        # no choice ..
                   2518:        print "CVS Root: <b>[$cvstree]</b>";
                   2519:     }
                   2520: }
                   2521:
                   2522: sub chooseMirror() {
                   2523:     my ($mirror,$moremirrors);
                   2524:     $moremirrors = 0;
                   2525:     # This code comes from the original BSD-cvsweb
                   2526:     # and may not be useful for your site; If you don't
                   2527:     # set %MIRRORS this won't show up, anyway
                   2528:     #
3.12    ! knu      2529:     # Should perhaps exlude the current site somehow..
3.1       knu      2530:     if (keys %MIRRORS) {
                   2531:        print "\nThis cvsweb is mirrored in:\n";
                   2532:        foreach $mirror (keys %MIRRORS) {
                   2533:            print ", " if ($moremirrors);
                   2534:            print qq(<a href="$MIRRORS{$mirror}">$mirror</A>\n);
                   2535:            $moremirrors = 1;
                   2536:        }
                   2537:        print "<p>\n";
                   2538:     }
                   2539: }
                   2540:
3.12    ! knu      2541: sub fileSortCmp() {
3.1       knu      2542:     my ($comp) = 0;
                   2543:     my ($c,$d,$af,$bf);
                   2544:
                   2545:     ($af = $a) =~ s/,v$//;
                   2546:     ($bf = $b) =~ s/,v$//;
                   2547:     my ($rev1,$date1,$log1,$author1,$filename1) = @{$fileinfo{$af}}
                   2548:         if (defined($fileinfo{$af}));
                   2549:     my ($rev2,$date2,$log2,$author2,$filename2) = @{$fileinfo{$bf}}
                   2550:         if (defined($fileinfo{$bf}));
                   2551:
                   2552:     if (defined($filename1) && defined($filename2) && $af eq $filename1 && $bf eq $filename2) {
                   2553:        # Two files
                   2554:        $comp = -revcmp($rev1, $rev2) if ($byrev && $rev1 && $rev2);
                   2555:        $comp = ($date2 <=> $date1) if ($bydate && $date1 && $date2);
                   2556:        $comp = ($log1 cmp $log2) if ($bylog && $log1 && $log2);
                   2557:        $comp = ($author1 cmp $author2) if ($byauthor && $author1 && $author2);
                   2558:     }
                   2559:     if ($comp == 0) {
                   2560:        # Directories first, then sorted on name if no other sort critera
                   2561:        # available.
                   2562:        my $ad = ((-d "$fullname/$a")?"D":"F");
                   2563:        my $bd = ((-d "$fullname/$b")?"D":"F");
                   2564:        ($c=$a) =~ s|.*/||;
                   2565:        ($d=$b) =~ s|.*/||;
                   2566:        $comp = ("$ad$c" cmp "$bd$d");
                   2567:     }
                   2568:     return $comp;
                   2569: }
                   2570:
                   2571: # make A url for downloading
3.12    ! knu      2572: sub download_url($$;$) {
3.1       knu      2573:     my ($url,$revision,$mimetype) = @_;
                   2574:
                   2575:     $revision =~ s/\b0\.//;
                   2576:
                   2577:     if (defined($checkout_magic)
                   2578:        && (!defined($mimetype) || $mimetype ne "text/x-cvsweb-markup")) {
                   2579:        my ($path);
                   2580:        ($path = $where) =~ s|/[^/]*$|/|;
                   2581:        $url = "$scriptname/$checkoutMagic/${path}$url";
                   2582:     }
                   2583:     $url .= "?rev=$revision";
                   2584:     $url .= "&amp;content-type=$mimetype" if (defined($mimetype));
                   2585:
                   2586:     return $url;
                   2587: }
                   2588:
3.12    ! knu      2589: # Presents a link to download the
3.1       knu      2590: # selected revision
3.12    ! knu      2591: sub download_link($$$;$) {
3.1       knu      2592:     my ($url,$revision,$textlink,$mimetype) = @_;
                   2593:     my ($fullurl) = download_url($url,$revision,$mimetype);
                   2594:     my ($paren) = $textlink =~ /^\(/;
                   2595:     $textlink =~ s/^\(// if ($paren);
                   2596:     $textlink =~ s/\)$// if ($paren);
                   2597:     print "(" if ($paren);
                   2598:     print "<A HREF=\"$fullurl";
                   2599:     print $barequery;
                   2600:     print "\"";
                   2601:     if ($open_extern_window && (!defined($mimetype) || $mimetype ne "text/x-cvsweb-markup")) {
                   2602:        print " target=\"cvs_checkout\"";
                   2603:        # we should have
                   2604:        #   'if (document.cvswin==null) document.cvswin=window.open(...'
                   2605:        # in order to allow the user to resize the window; otherwise
                   2606:        # the user may resize the window, but on next checkout - zap -
                   2607:        # its original (configured s. cvsweb.conf) size is back again
                   2608:        # .. annoying (if $extern_window_(width|height) is defined)
                   2609:        # but this if (..) solution is far from perfect
                   2610:        # what we need to do as well is
                   2611:        # 1) save cvswin in an invisible frame that always exists
                   2612:        #    (document.cvswin will be void on next load)
                   2613:        # 2) on close of the cvs_checkout - window set the cvswin
                   2614:        #    variable to 'null' again - so that it will be
                   2615:        #    reopenend with the configured size
                   2616:        # anyone a JavaScript programmer ?
                   2617:        # .. so here without if (..):
                   2618:        # currently, the best way is to comment out the size parameters
                   2619:        # ($extern_window...) in cvsweb.conf.
                   2620:        if ($use_java_script) {
                   2621:            print " onClick=\"window.open('$fullurl','cvs_checkout',";
                   2622:            print "'resizeable,scrollbars";
                   2623:            print ",status,toolbar" if (defined($mimetype)
                   2624:                && $mimetype eq "text/html");
                   2625:            print ",width=$extern_window_width" if (defined($extern_window_width));
                   2626:            print ",height=$extern_window_height" if (defined($extern_window_height));
                   2627:            print"');\"";
                   2628:        }
                   2629:     }
                   2630:     print "><b>$textlink</b></A>";
                   2631:     print ")" if ($paren);
                   2632: }
                   2633:
                   2634: # Returns a Query string with the
                   2635: # specified parameter toggled
                   2636: sub toggleQuery($$) {
                   2637:     my ($toggle,$value) = @_;
                   2638:     my ($newquery,$var);
                   2639:     my (%vars);
                   2640:     %vars = %input;
                   2641:     if (defined($value)) {
                   2642:        $vars{$toggle} = $value;
                   2643:     }
                   2644:     else {
                   2645:        $vars{$toggle} = $vars{$toggle} ? 0 : 1;
                   2646:     }
                   2647:     # Build a new query of non-default paramenters
                   2648:     $newquery = "";
                   2649:     foreach $var (@stickyvars) {
                   2650:        my ($value) = defined($vars{$var}) ? $vars{$var} : "";
                   2651:        my ($default) = defined($DEFAULTVALUE{$var}) ? $DEFAULTVALUE{$var} : "";
                   2652:        if ($value ne $default) {
                   2653:            $newquery .= "&amp;" if ($newquery ne "");
                   2654:            $newquery .= urlencode($var) . "=" . urlencode($value);
                   2655:        }
                   2656:     }
                   2657:     if ($newquery) {
                   2658:        return '?' . $newquery;
                   2659:     }
                   2660:     return "";
                   2661: }
                   2662:
3.12    ! knu      2663: sub urlencode($) {
3.1       knu      2664:     my ($in) = @_;
                   2665:     my ($out);
                   2666:     ($out = $in) =~ s/([\000-+{-\377])/sprintf("%%%02x", ord($1))/ge;
                   2667:     return $out;
                   2668: }
                   2669:
3.12    ! knu      2670: sub http_header(;$) {
3.1       knu      2671:     my $content_type = shift || "text/html";
                   2672:     if (defined($moddate)) {
                   2673:        if ($is_mod_perl) {
                   2674:            Apache->request->header_out(Last_modified => scalar gmtime($moddate) . " GMT");
                   2675:        }
                   2676:        else {
3.4       knu      2677:            print "Last-Modified: " . scalar gmtime($moddate) . " GMT\r\n";
3.1       knu      2678:        }
                   2679:     }
                   2680:     if ($is_mod_perl) {
                   2681:        Apache->request->content_type($content_type);
                   2682:     }
                   2683:     else {
3.4       knu      2684:            print "Content-type: $content_type\r\n";
3.1       knu      2685:     }
                   2686:     if ($allow_compress && $maycompress) {
                   2687:        my $fh = do {local(*FH);};
                   2688:        if (defined($GZIPBIN) && open($fh, "|$GZIPBIN -1 -c")) {
                   2689:            if ($is_mod_perl) {
                   2690:                    Apache->request->content_encoding("x-gzip");
                   2691:                    Apache->request->header_out(Vary => "Accept-Encoding");
                   2692:                    Apache->request->send_http_header;
                   2693:            }
                   2694:            else {
3.4       knu      2695:                    print "Content-encoding: x-gzip\r\n";
                   2696:                    print "Vary: Accept-Encoding\r\n";  #RFC 2068, 14.43
                   2697:                    print "\r\n"; # Close headers
3.1       knu      2698:            }
                   2699:            $| = 1; $| = 0; # Flush header output
                   2700:            select ($fh);
                   2701: #          print "<!-- gzipped -->" if ($content_type eq "text/html");
                   2702:        }
                   2703:        else {
                   2704:            if ($is_mod_perl) {
                   2705:                    Apache->request->send_http_header;
                   2706:            }
                   2707:            else {
3.4       knu      2708:                    print "\r\n"; # Close headers
3.1       knu      2709:            }
                   2710:            print "<font size=-1>Unable to find gzip binary in the \$PATH to compress output</font><br>";
                   2711:        }
                   2712:     }
                   2713:     else {
                   2714:            if ($is_mod_perl) {
                   2715:                    Apache->request->send_http_header;
                   2716:            }
                   2717:            else {
3.4       knu      2718:                    print "\r\n"; # Close headers
3.1       knu      2719:            }
                   2720:     }
                   2721: }
                   2722:
                   2723: sub html_header($) {
                   2724:     my ($title) = @_;
3.12    ! knu      2725:     my $version = '$zRevision: 1.93 $  $Revision: 3.11 $'; #'
3.1       knu      2726:     http_header();
                   2727:     print <<EOH;
                   2728: <!doctype html public "-//W3C//DTD HTML 4.0 Transitional//EN"
                   2729:  "http://www.w3.org/TR/REC-html40/loose.dtd">
                   2730: <html>
                   2731: <title>$title</title>
3.3       knu      2732: <!-- CVSweb $version -->
3.1       knu      2733: </head>
                   2734: $body_tag
                   2735: $logo <h1 align="center">$title</h1>
                   2736: EOH
                   2737: }
                   2738:
3.12    ! knu      2739: sub html_footer() {
3.1       knu      2740:     return "<hr noshade><address>$address</address>\n";
                   2741: }
                   2742:
3.12    ! knu      2743: sub link_tags($) {
3.1       knu      2744:     my ($tags) = @_;
                   2745:     my ($ret) = "";
                   2746:     my ($fileurl,$filename);
                   2747:
                   2748:     ($filename = $where) =~ s/^.*\///;
                   2749:     $fileurl = urlencode($filename);
                   2750:
                   2751:     foreach my $sym (split(", ", $tags)) {
                   2752:        $ret .= ",\n" if ($ret ne "");
                   2753:        $ret .= "<A HREF=\"$fileurl"
                   2754:                . toggleQuery('only_with_tag',$sym) . "\">$sym</A>";
                   2755:     }
                   2756:     return $ret."\n";
                   2757: }
                   2758:
                   2759: #
                   2760: # See if a module is listed in the config file's @HideModule list.
                   2761: #
3.12    ! knu      2762: sub forbidden_module($) {
3.1       knu      2763:     my($module) = @_;
3.12    ! knu      2764:
3.1       knu      2765:     for (my $i=0; $i < @HideModules; $i++) {
                   2766:        return 1 if $module eq $HideModules[$i];
                   2767:     }
                   2768:
                   2769:     return 0;
1.1       jfieber  2770: }

CVSweb