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Annotation of cvsweb/cvsweb.cgi, Revision 1.45.2.49

1.45.2.46  knu         1: #!/usr/bin/perl5 -ws
1.1       jfieber     2: #
1.45.2.46  knu         3: # cvsweb - a CGI interface to CVS trees.
1.1       jfieber     4: #
1.45.2.47  knu         5: # Written in their spare time by
1.45.2.46  knu         6: #             Bill Fenner      <fenner@FreeBSD.org>   (original work)
                      7: # extended by Henner Zeller    <zeller@think.de>,
1.45.2.47  knu         8: #             Henrik Nordstrom <hno@hem.passagen.se>
1.45.2.46  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:
                     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
1.45.2.46  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: #
1.45.2.48  knu        44: # $zId: cvsweb.cgi,v 1.94 2000/08/24 06:41:22 hnordstrom Exp $
1.45.2.49! knu        45: # $kId: cvsweb.cgi,v 1.17 2000/09/03 18:25:47 knu Exp $
        !            46: # $FreeBSD: www/en/cgi/cvsweb.cgi,v 1.48 2000/08/25 09:21:00 knu Exp $
1.21      wosch      47: #
1.45.2.46  knu        48: ###
1.21      wosch      49:
1.45.2.46  knu        50: use strict;
1.21      wosch      51:
1.45.2.46  knu        52: use vars qw (
                     53:     $config $allow_version_select $verbose
                     54:     %CVSROOT %CVSROOTdescr %MIRRORS %DEFAULTVALUE %ICONS %MTYPES
                     55:     %alltags @tabcolors %fileinfo %tags @branchnames %nameprinted
                     56:     %symrev %revsym @allrevisions %date %author @revdisplayorder
1.45.2.49! knu        57:     @revisions %state %difflines %log %branchpoint @revorder
        !            58:     $prcgi @prcategories $prcategories $mancgi
1.45.2.46  knu        59:     $checkoutMagic $doCheckout $scriptname $scriptwhere
                     60:     $where $pathinfo $Browser $nofilelinks $maycompress @stickyvars
                     61:     %funcline_regexp $is_mod_perl
                     62:     $is_lynx $is_w3m $is_msie $is_mozilla3 $is_textbased
                     63:     %input $query $barequery $sortby $bydate $byrev $byauthor
                     64:     $bylog $byfile $hr_default $logsort $cvstree $cvsroot
                     65:     $mimetype $defaultTextPlain $defaultViewable $allow_compress
                     66:     $GZIPBIN $backicon $diricon $fileicon $fullname $newname
                     67:     $cvstreedefault $body_tag $logo $defaulttitle $address
                     68:     $backcolor $long_intro $short_instruction $shortLogLen
                     69:     $show_author $dirtable $tablepadding $columnHeaderColorDefault
                     70:     $columnHeaderColorSorted $hr_breakable $showfunc $hr_ignwhite
                     71:     $hr_ignkeysubst $diffcolorHeading $diffcolorEmpty $diffcolorRemove
                     72:     $diffcolorChange $diffcolorAdd $diffcolorDarkChange $difffontface
                     73:     $difffontsize $inputTextSize $mime_types $allow_annotate
                     74:     $allow_markup $use_java_script $open_extern_window
                     75:     $extern_window_width $extern_window_height $edit_option_form
                     76:     $checkout_magic $show_subdir_lastmod $show_log_in_markup $v
                     77:     $navigationHeaderColor $tableBorderColor $markupLogColor
                     78:     $tabstop $state $annTable $sel $curbranch @HideModules
                     79:     $module $use_descriptions %descriptions @mytz $dwhere $moddate
                     80:     $use_moddate
                     81: );
                     82:
1.45.2.47  knu        83: sub printDiffSelect($);
                     84: sub findLastModifiedSubdirs(@);
                     85: sub htmlify($;$);
                     86: sub spacedHtmlText($);
                     87: sub link($$);
                     88: sub revcmp($$);
                     89: sub fatal($$);
                     90: sub redirect($);
                     91: sub safeglob($);
                     92: sub getMimeTypeFromSuffix($);
                     93: sub doAnnotate($$);
                     94: sub doCheckout($$);
                     95: sub cvswebMarkup($$$);
                     96: sub viewable($);
                     97: sub doDiff($$$$$$);
                     98: sub getDirLogs($$@);
                     99: sub readLog($;$);
                    100: sub printLog($;$);
                    101: sub doLog($);
                    102: sub flush_diff_rows($$$$);
                    103: sub human_readable_diff($);
                    104: sub navigateHeader($$$$$);
                    105: sub plural_write($$);
                    106: sub readableTime($$);
                    107: sub clickablePath($$);
                    108: sub chooseCVSRoot();
                    109: sub chooseMirror();
                    110: sub fileSortCmp();
                    111: sub download_url($$;$);
                    112: sub download_link($$$;$);
                    113: sub toggleQuery($$);
                    114: sub urlencode($);
                    115: sub http_header(;$);
                    116: sub html_header($);
                    117: sub html_footer();
                    118: sub link_tags($);
                    119: sub forbidden_module($);
                    120:
1.45.2.46  knu       121: ##### Start of Configuration Area ########
                    122: use Cwd;
                    123:
1.45.2.47  knu       124: # == EDIT this ==
1.45.2.46  knu       125: # User configuration is stored in
                    126: $config = undef;
                    127:
1.45.2.47  knu       128: for ($ENV{CVSWEB_CONFIG},
                    129: #     '/home/knu/etc/cvsweb.conf',
                    130:      '/usr/local/etc/cvsweb.conf',
                    131:      getcwd . '/cvsweb.conf') {
                    132:   $config = $_ if defined($_) && -r $_;
1.45.2.46  knu       133: }
1.1       jfieber   134:
1.45.2.46  knu       135: # == Configuration defaults ==
                    136: # Defaults for configuration variables that shouldn't need
                    137: # to be configured..
                    138: $allow_version_select = 1;
                    139:
                    140: ##### End of Configuration Area   ########
                    141:
                    142: ######## Configuration variables #########
                    143: # These are defined to allow checking with perl -cw
                    144: %CVSROOT = %MIRRORS = %DEFAULTVALUE = %ICONS = %MTYPES =
                    145: %tags = %alltags = @tabcolors = ();
                    146: $cvstreedefault = $body_tag = $logo = $defaulttitle = $address =
                    147: $backcolor = $long_intro = $short_instruction = $shortLogLen =
                    148: $show_author = $dirtable = $tablepadding = $columnHeaderColorDefault =
                    149: $columnHeaderColorSorted = $hr_breakable = $showfunc = $hr_ignwhite =
                    150: $hr_ignkeysubst = $diffcolorHeading = $diffcolorEmpty = $diffcolorRemove =
                    151: $diffcolorChange = $diffcolorAdd = $diffcolorDarkChange = $difffontface =
                    152: $difffontsize = $inputTextSize = $mime_types = $allow_annotate =
                    153: $allow_markup = $use_java_script = $open_extern_window =
                    154: $extern_window_width = $extern_window_height = $edit_option_form =
                    155: $checkout_magic = $show_subdir_lastmod = $show_log_in_markup = $v =
1.45.2.47  knu       156: $navigationHeaderColor = $tableBorderColor = $markupLogColor =
1.45.2.46  knu       157: $tabstop = $use_moddate = $moddate = undef;
                    158:
                    159: ##### End of configuration variables #####
                    160:
                    161: package cgi_style;
                    162: #$cgi_style::hsty_base = '';
                    163: $cgi_style::hsty_base = 'http://www.FreeBSD.org';
1.2       jfieber   164: require 'cgi-style.pl';
1.45.2.46  knu       165: package main;
1.2       jfieber   166:
1.45.2.46  knu       167: use Time::Local;
                    168: use IPC::Open2;
1.1       jfieber   169:
                    170: $verbose = $v;
1.45.2.46  knu       171: $checkoutMagic = "~checkout~";
                    172: $pathinfo = defined($ENV{PATH_INFO}) ? $ENV{PATH_INFO} : '';
                    173: $where = $pathinfo;
                    174: $doCheckout = ($where =~ /^\/$checkoutMagic/);
                    175: $where =~ s|^/($checkoutMagic)?||;
                    176: $where =~ s|/+$||;
                    177: $scriptname = defined($ENV{SCRIPT_NAME}) ? $ENV{SCRIPT_NAME} : '';
                    178: $scriptname =~ s|^/?|/|;
                    179: $scriptname =~ s|/+$||;
                    180: $scriptwhere = $scriptname;
                    181: if ($where) {
                    182:     $scriptwhere .= '/' . urlencode($where);
                    183: }
                    184:
                    185: $is_mod_perl = defined($ENV{MOD_PERL});
                    186:
                    187: # in lynx, it it very annoying to have two links
                    188: # per file, so disable the link at the icon
                    189: # in this case:
1.45.2.47  knu       190: $Browser = $ENV{HTTP_USER_AGENT};
1.45.2.46  knu       191: $is_lynx = ($Browser =~ m`^Lynx/`i);
                    192: $is_w3m = ($Browser =~ m`^w3m/`i);
                    193: $is_msie = ($Browser =~ m`MSIE`);
                    194: $is_mozilla3 = ($Browser =~ m`^Mozilla/[3-9]`);
                    195:
                    196: $is_textbased = ($is_lynx || $is_w3m);
                    197:
                    198: $nofilelinks = $is_textbased;
                    199:
                    200: # newer browsers accept gzip content encoding
                    201: # and state this in a header
                    202: # (netscape did always but didn't state it)
                    203: # It has been reported that these
                    204: #  braindamaged MS-Internet Exploders claim that they
                    205: # accept gzip .. but don't in fact and
                    206: # display garbage then :-/
                    207: # Turn off gzip if running under mod_perl. piping does
                    208: # not work as expected inside the server. One can probably
                    209: # achieve the same result using Apache::GZIPFilter.
1.45.2.47  knu       210: $maycompress = (($ENV{HTTP_ACCEPT_ENCODING} =~ m`gzip`
                    211:                 || $is_mozilla3)
                    212:                && !$is_msie
                    213:                && !$is_mod_perl);
1.45.2.46  knu       214:
                    215: # put here the variables we need in order
                    216: # to hold our state - they will be added (with
1.45.2.47  knu       217: # their current value) to any link/query string
1.45.2.46  knu       218: # you construct
                    219: @stickyvars = qw(cvsroot hideattic sortby logsort f only_with_tag);
1.1       jfieber   220:
1.45.2.46  knu       221: if (-f $config) {
                    222:     do $config;
                    223: }
                    224: else {
                    225:    &fatal("500 Internal Error",
                    226:          'Configuration not found.  Set the variable <code>$config</code> '
                    227:           . 'in cvsweb.cgi, or the environment variable '
                    228:           . '<code>CVSWEB_CONFIG</code>, to your <b>cvsweb.conf</b> '
                    229:           . 'configuration file first.');
                    230: }
                    231:
                    232: undef %input;
                    233: $query = $ENV{QUERY_STRING};
                    234:
1.45.2.47  knu       235: if (defined($query) && $query ne '') {
1.9       fenner    236:     foreach (split(/&/, $query)) {
1.7       fenner    237:        s/%(..)/sprintf("%c", hex($1))/ge;      # unquote %-quoted
                    238:        if (/(\S+)=(.*)/) {
1.45.2.46  knu       239:            $input{$1} = $2 if ($2 ne "");
                    240:        }
                    241:        else {
1.7       fenner    242:            $input{$_}++;
                    243:        }
                    244:     }
                    245: }
1.10      wosch     246:
1.45.2.47  knu       247: # For backwards compability, set only_with_tag to only_on_branch if set.
1.45.2.46  knu       248: $input{only_with_tag} = $input{only_on_branch}
                    249:     if (defined($input{only_on_branch}));
1.10      wosch     250:
1.45.2.46  knu       251: $DEFAULTVALUE{'cvsroot'} = $cvstreedefault;
1.10      wosch     252:
1.45.2.46  knu       253: foreach (keys %DEFAULTVALUE)
                    254: {
                    255:     # replace not given parameters with the default parameters
                    256:     if (!defined($input{$_}) || $input{$_} eq "") {
                    257:        # Empty Checkboxes in forms return -- nothing. So we define a helper
                    258:        # variable in these forms (copt) which indicates that we just set
                    259:        # parameters with a checkbox
                    260:        if (!defined($input{"copt"})) {
                    261:            # 'copt' isn't defined --> empty input is not the result
                    262:            # of empty input checkbox --> set default
                    263:            $input{$_} = $DEFAULTVALUE{$_} if (defined($DEFAULTVALUE{$_}));
                    264:        }
                    265:        else {
                    266:            # 'copt' is defined -> the result of empty input checkbox
                    267:            # -> set to zero (disable) if default is a boolean (0|1).
                    268:            $input{$_} = 0
                    269:                if (defined($DEFAULTVALUE{$_})
                    270:                    && ($DEFAULTVALUE{$_} eq "0" || $DEFAULTVALUE{$_} eq "1"));
                    271:        }
1.10      wosch     272:     }
                    273: }
1.45.2.47  knu       274:
1.45.2.46  knu       275: $barequery = "";
                    276: foreach (@stickyvars) {
                    277:     # construct a query string with the sticky non default parameters set
1.45.2.47  knu       278:     if (defined($input{$_}) && $input{$_} ne '' &&
1.45.2.46  knu       279:        !(defined($DEFAULTVALUE{$_}) && $input{$_} eq $DEFAULTVALUE{$_})) {
                    280:         if ($barequery) {
                    281:            $barequery = $barequery . "&amp;";
                    282:        }
                    283:        my $thisval = urlencode($_) . "=" . urlencode($input{$_});
                    284:        $barequery .= $thisval;
                    285:     }
                    286: }
                    287: # is there any query ?
                    288: if ($barequery) {
                    289:     $query = "?$barequery";
                    290:     $barequery = "&amp;" . $barequery;
                    291: }
                    292: else {
                    293:     $query = "";
                    294: }
1.10      wosch     295:
1.45.2.46  knu       296: # get actual parameters
                    297: $sortby = $input{"sortby"};
                    298: $bydate = 0;
                    299: $byrev = 0;
                    300: $byauthor = 0;
                    301: $bylog = 0;
                    302: $byfile = 0;
                    303: if ($sortby eq "date") {
                    304:     $bydate = 1;
                    305: }
                    306: elsif ($sortby eq "rev") {
                    307:     $byrev = 1;
                    308: }
                    309: elsif ($sortby eq "author") {
                    310:     $byauthor = 1;
                    311: }
                    312: elsif ($sortby eq "log") {
                    313:     $bylog = 1;
                    314: }
                    315: else {
                    316:     $byfile = 1;
                    317: }
1.12      fenner    318:
1.45.2.46  knu       319: $hr_default = $input{'f'} eq 'h';
                    320:
                    321: $logsort = $input{'logsort'};
                    322:
                    323:
                    324: ## Default CVS-Tree
                    325: if (!defined($CVSROOT{$cvstreedefault})) {
                    326:    &fatal("500 Internal Error",
                    327:          "<code>\$cvstreedefault</code> points to a repository "
                    328:          . "not defined in <code>%CVSROOT</code> "
                    329:          . "(edit your configuration file $config)");
1.10      wosch     330: }
                    331:
1.45.2.46  knu       332: # alternate CVS-Tree, configured in cvsweb.conf
                    333: if ($input{'cvsroot'} && $CVSROOT{$input{'cvsroot'}}) {
                    334:     $cvstree = $input{'cvsroot'};
                    335: } else {
                    336:     $cvstree = $cvstreedefault;
                    337: }
1.10      wosch     338:
1.45.2.46  knu       339: $cvsroot = $CVSROOT{$cvstree};
                    340:
                    341: # create icons out of description
                    342: foreach my $k (keys %ICONS) {
                    343:     no strict 'refs';
                    344:     my ($itxt,$ipath,$iwidth,$iheight) = @{$ICONS{$k}};
                    345:     if ($ipath) {
                    346:        ${"${k}icon"} = "<IMG SRC=\"$ipath\" ALT=\"$itxt\" BORDER=\"0\" WIDTH=\"$iwidth\" HEIGHT=\"$iheight\">";
1.16      wosch     347:     }
1.45.2.46  knu       348:     else {
                    349:        ${"${k}icon"} = $itxt;
1.24      wosch     350:     }
                    351: }
                    352:
1.45.2.46  knu       353: # Do some special configuration for cvstrees
                    354: do "$config-$cvstree" if (-f "$config-$cvstree");
1.24      wosch     355:
1.45.2.46  knu       356: $prcategories = '(?:' . join('|', @prcategories) . ')';
1.45.2.49! knu       357: $prcgi .= '%s' if defined($prcgi) && $prcgi !~ /%s/;
1.45.2.46  knu       358:
                    359: $fullname = $cvsroot . '/' . $where;
                    360: $mimetype = &getMimeTypeFromSuffix ($fullname);
                    361: $defaultTextPlain = ($mimetype eq "text/plain");
                    362: $defaultViewable = $allow_markup && viewable($mimetype);
                    363:
                    364: # search for GZIP if compression allowed
                    365: # We've to find out if the GZIP-binary exists .. otherwise
                    366: # ge get an Internal Server Error if we try to pipe the
1.45.2.47  knu       367: # output through the nonexistent gzip ..
1.45.2.46  knu       368: # any more elegant ways to prevent this are welcome!
                    369: if ($allow_compress && $maycompress) {
                    370:     foreach (split(/:/, $ENV{PATH})) {
                    371:        if (-x "$_/gzip") {
                    372:            $GZIPBIN = "$_/gzip";
                    373:            last;
1.16      wosch     374:        }
                    375:     }
                    376: }
                    377:
1.1       jfieber   378: if (-d $fullname) {
1.45.2.46  knu       379:     #
                    380:     # ensure, that directories always end with (exactly) one '/'
                    381:     # to allow relative URL's. If they're not, make a redirect.
                    382:     ##
                    383:     if (!($pathinfo =~ m|/$|) || ($pathinfo =~ m |/{2,}$|)) {
                    384:        redirect ($scriptwhere . '/' . $query);
                    385:     }
                    386:     else {
                    387:        $where .= '/';
                    388:        $scriptwhere .= '/';
                    389:     }
                    390: }
                    391:
                    392: if (!-d $cvsroot) {
                    393:     &fatal("500 Internal Error",'$CVSROOT not found!<P>The server on which the CVS tree lives is probably down.  Please try again in a few minutes.');
                    394: }
                    395:
                    396: #
                    397: # See if the module is in our forbidden list.
                    398: #
                    399: $where =~ m:([^/]*):;
                    400: $module = $1;
                    401: if ($module && &forbidden_module($module)) {
                    402:     &fatal("403 Forbidden", "Access to $where forbidden.");
                    403: }
                    404: ##############################
                    405: # View a directory
                    406: ###############################
                    407: elsif (-d $fullname) {
                    408:        my $dh = do {local(*DH);};
                    409:        opendir($dh, $fullname) || &fatal("404 Not Found","$where: $!");
                    410:        my @dir = readdir($dh);
                    411:        closedir($dh);
                    412:        my @subLevelFiles = findLastModifiedSubdirs(@dir)
                    413:            if ($show_subdir_lastmod);
                    414:        getDirLogs($cvsroot,$where,@subLevelFiles);
                    415:
                    416:        if ($where eq '/') {
                    417:            html_header($defaulttitle);
                    418:            $long_intro =~ s/!!CVSROOTdescr!!/$CVSROOTdescr{$cvstree}/g;
                    419:            print $long_intro;
                    420:        }
                    421:        else {
                    422:            html_header($where);
                    423:            print $short_instruction;
                    424:        }
                    425:
                    426:        my $descriptions;
                    427:        if (($use_descriptions) && open (DESC, "<$cvsroot/CVSROOT/descriptions")) {
                    428:            while (<DESC>) {
                    429:                chomp;
                    430:                my ($dir,$description) = /(\S+)\s+(.*)/;
                    431:                $descriptions{$dir} = $description;
                    432:            }
1.1       jfieber   433:        }
1.45.2.46  knu       434:
                    435:        print "<P><a name=\"dirlist\"></a>\n";
                    436:        # give direct access to dirs
                    437:        if ($where eq '/') {
                    438:            chooseMirror();
                    439:            chooseCVSRoot();
                    440:        }
                    441:        else {
                    442:            print "<p>Current directory: <b>", &clickablePath($where,0), "</b>\n";
                    443:
                    444:            print "<P>Current tag: <B>", $input{only_with_tag}, "</b>\n" if
                    445:                $input{only_with_tag};
                    446:
                    447:        }
1.45.2.47  knu       448:
1.45.2.46  knu       449:
                    450:        print "<HR NOSHADE>\n";
1.1       jfieber   451:        # Using <MENU> in this manner violates the HTML2.0 spec but
                    452:        # provides the results that I want in most browsers.  Another
                    453:        # case of layout spooging up HTML.
1.45.2.47  knu       454:
1.45.2.46  knu       455:        my $infocols = 0;
                    456:        if ($dirtable) {
                    457:            if (defined($tableBorderColor)) {
                    458:                # Can't this be done by defining the border for the inner table?
                    459:                print "<table border=0 cellpadding=0 width=\"100%\"><tr><td bgcolor=\"$tableBorderColor\">";
                    460:            }
                    461:            print "<table  width=\"100%\" border=0 cellspacing=1 cellpadding=$tablepadding>\n";
                    462:            $infocols++;
1.45.2.47  knu       463:            print "<tr><th align=left bgcolor=\"" . (($byfile) ?
                    464:                                                   $columnHeaderColorSorted :
1.45.2.46  knu       465:                                                   $columnHeaderColorDefault) . "\">";
                    466:            print "<a href=\"./" . &toggleQuery("sortby","file") .
                    467:                "#dirlist\">" if (!$byfile);
                    468:            print "File";
                    469:            print "</a>" if (!$byfile);
                    470:            print "</th>";
                    471:            # do not display the other column-headers, if we do not have any files
                    472:            # with revision information:
                    473:            if (scalar(%fileinfo)) {
                    474:                $infocols++;
1.45.2.47  knu       475:                print "<th align=left bgcolor=\"" . (($byrev) ?
                    476:                                                   $columnHeaderColorSorted :
1.45.2.46  knu       477:                                                   $columnHeaderColorDefault) . "\">";
                    478:                print "<a href=\"./" . &toggleQuery ("sortby","rev") .
                    479:                    "#dirlist\">" if (!$byrev);
                    480:                print "Rev.";
                    481:                print "</a>" if (!$byrev);
                    482:                print "</th>";
                    483:                $infocols++;
1.45.2.47  knu       484:                print "<th align=left bgcolor=\"" . (($bydate) ?
                    485:                                                   $columnHeaderColorSorted :
1.45.2.46  knu       486:                                                   $columnHeaderColorDefault) . "\">";
                    487:                print "<a href=\"./" . &toggleQuery ("sortby","date") .
                    488:                    "#dirlist\">" if (!$bydate);
                    489:                print "Age";
                    490:                print "</a>" if (!$bydate);
                    491:                print "</th>";
                    492:                if ($show_author) {
                    493:                    $infocols++;
1.45.2.47  knu       494:                    print "<th align=left bgcolor=\"" . (($byauthor) ?
                    495:                                                   $columnHeaderColorSorted :
1.45.2.46  knu       496:                                                   $columnHeaderColorDefault) . "\">";
                    497:                    print "<a href=\"./" . &toggleQuery ("sortby","author") .
                    498:                            "#dirlist\">" if (!$byauthor);
                    499:                    print "Author";
                    500:                    print "</a>" if (!$byauthor);
                    501:                    print "</th>";
                    502:                }
                    503:                $infocols++;
1.45.2.47  knu       504:                print "<th align=left bgcolor=\"" . (($bylog) ?
                    505:                                               $columnHeaderColorSorted :
1.45.2.46  knu       506:                                               $columnHeaderColorDefault) . "\">";
                    507:                print "<a href=\"./", toggleQuery("sortby","log"), "#dirlist\">" if (!$bylog);
                    508:                print "Last log entry";
                    509:                print "</a>" if (!$bylog);
                    510:                print "</th>";
                    511:            }
                    512:            elsif ($use_descriptions) {
                    513:                print "<th align=left bgcolor=\"". $columnHeaderColorDefault . "\">";
                    514:                print "Description";
                    515:                $infocols++;
                    516:            }
                    517:            print "</tr>\n";
                    518:        }
                    519:        else {
                    520:            print "<menu>\n";
                    521:        }
                    522:        my $dirrow = 0;
1.45.2.47  knu       523:
1.45.2.46  knu       524:        my $i;
1.9       fenner    525:        lookingforattic:
                    526:        for ($i = 0; $i <= $#dir; $i++) {
                    527:                if ($dir[$i] eq "Attic") {
1.45.2.46  knu       528:                    last lookingforattic;
1.9       fenner    529:                }
                    530:        }
1.45.2.46  knu       531:        if (!$input{'hideattic'} && ($i <= $#dir) &&
                    532:            opendir($dh, $fullname . "/Attic")) {
                    533:            splice(@dir, $i, 1,
                    534:                        grep((s|^|Attic/|,!m|/\.|), readdir($dh)));
                    535:            closedir($dh);
1.9       fenner    536:        }
1.45.2.46  knu       537:
1.45.2.47  knu       538:        my $hideAtticToggleLink = "<a href=\"./" .
1.45.2.46  knu       539:                &toggleQuery ("hideattic") .
                    540:                "#dirlist\">[Hide]</a>" if (!$input{'hideattic'});
                    541:
1.9       fenner    542:        # Sort without the Attic/ pathname.
1.45.2.46  knu       543:        # place directories first
                    544:
                    545:        my $attic;
                    546:        my $url;
                    547:        my $fileurl;
                    548:        my $filesexists;
                    549:        my $filesfound;
                    550:
                    551:        foreach (sort { &fileSortCmp } @dir) {
1.1       jfieber   552:            if ($_ eq '.') {
                    553:                next;
                    554:            }
1.19      wosch     555:            # ignore CVS lock and stale NFS files
1.45.2.46  knu       556:            next if (/^#cvs\.|^,|^\.nfs/);
                    557:
                    558:            # Check whether to show the CVSROOT path
                    559:            next if ($input{'hidecvsroot'} && ($_ eq 'CVSROOT'));
                    560:
                    561:            # Check whether the module is in the restricted list
                    562:            next if ($_ && &forbidden_module($_));
                    563:
                    564:            # Ignore non-readable files
                    565:            next if ($input{'hidenonreadable'} && !(-r "$fullname/$_"));
1.18      wosch     566:
1.9       fenner    567:            if (s|^Attic/||) {
1.45.2.46  knu       568:                $attic  = " (in the Attic)&nbsp;" . $hideAtticToggleLink;
                    569:            }
                    570:            else {
1.9       fenner    571:                $attic = "";
                    572:            }
1.45.2.46  knu       573:
                    574:            if ($_ eq '..' || -d "$fullname/$_") {
                    575:                next if ($_ eq '..' && $where eq '/');
                    576:                my ($rev,$date,$log,$author,$filename) = @{$fileinfo{$_}}
                    577:                    if (defined($fileinfo{$_}));
                    578:                print "<tr bgcolor=\"" . @tabcolors[$dirrow%2] . "\"><td>" if ($dirtable);
                    579:                if ($_ eq '..') {
                    580:                    $url = "../" . $query;
                    581:                    if ($nofilelinks) {
                    582:                        print $backicon;
                    583:                    }
                    584:                    else {
                    585:                        print &link($backicon,$url);
                    586:                    }
                    587:                    print " ", &link("Previous Directory",$url);
                    588:                }
                    589:                else {
                    590:                    $url = urlencode($_) . '/' . $query;
                    591:                    print "<A NAME=\"$_\"></A>";
                    592:                    if ($nofilelinks) {
                    593:                        print $diricon;
                    594:                    }
                    595:                    else {
                    596:                        print &link($diricon,$url);
                    597:                    }
                    598:                    print " ", &link($_ . "/", $url), $attic;
                    599:                    if ($_ eq "Attic") {
1.45.2.47  knu       600:                        print "&nbsp; <a href=\"./" .
1.45.2.46  knu       601:                            &toggleQuery ("hideattic") .
                    602:                                "#dirlist\">[Don't hide]</a>";
                    603:                    }
1.45.2.47  knu       604:                }
1.45.2.46  knu       605:                # Show last change in dir
                    606:                if ($filename) {
                    607:                    print "</td><td>&nbsp;</td><td>&nbsp;" if ($dirtable);
                    608:                    if ($date) {
                    609:                        print " <i>" . readableTime(time() - $date,0) . "</i>";
                    610:                    }
                    611:                    if ($show_author) {
                    612:                        print "</td><td>&nbsp;" if ($dirtable);
                    613:                        print $author;
                    614:                    }
                    615:                    print "</td><td>&nbsp;" if ($dirtable);
                    616:                    $filename =~ s%^[^/]+/%%;
                    617:                    print "$filename/$rev";
                    618:                    print "<BR>" if ($dirtable);
                    619:                    if ($log) {
                    620:                        print "&nbsp;<font size=-1>"
                    621:                            . &htmlify(substr($log,0,$shortLogLen));
                    622:                        if (length $log > 80) {
                    623:                            print "...";
                    624:                        }
                    625:                        print "</font>";
                    626:                    }
                    627:                }
                    628:                else {
                    629:                    my ($dwhere) = ($where ne "/" ? $where : "") . $_;
                    630:                    if ($use_descriptions && defined $descriptions{$dwhere}) {
                    631:                        print "<TD COLSPAN=" . ($infocols-1) . ">&nbsp;" if $dirtable;
                    632:                        print $descriptions{$dwhere};
                    633:                    } elsif ($dirtable && $infocols > 1) {
                    634:                        # close the row with the appropriate number of
                    635:                        # columns, so that the vertical seperators are visible
                    636:                        my($cols) = $infocols;
                    637:                        while ($cols > 1) {
                    638:                            print "</td><td>&nbsp;";
                    639:                            $cols--;
                    640:                        }
                    641:                    }
                    642:                }
                    643:                if ($dirtable) {
                    644:                    print "</td></tr>\n";
                    645:                }
                    646:                else {
                    647:                    print "<br>\n";
                    648:                }
                    649:                $dirrow++;
1.9       fenner    650:            }
1.45.2.46  knu       651:            elsif (s/,v$//) {
                    652:                $fileurl = ($attic ? "Attic/" : "") . urlencode($_);
                    653:                $url = $fileurl . $query;
                    654:                my $rev = '';
                    655:                my $date = '';
                    656:                my $log = '';
                    657:                my $author = '';
                    658:                $filesexists++;
                    659:                next if (!defined($fileinfo{$_}));
                    660:                ($rev,$date,$log,$author) = @{$fileinfo{$_}};
                    661:                $filesfound++;
                    662:                print "<tr bgcolor=\"" . @tabcolors[$dirrow%2] . "\"><td>" if ($dirtable);
                    663:                print "<A NAME=\"$_\"></A>";
                    664:                if ($nofilelinks) {
                    665:                    print $fileicon;
                    666:                }
                    667:                else {
                    668:                    print &link($fileicon,$url);
                    669:                }
                    670:                print " ", &link($_, $url), $attic;
                    671:                print "</td><td>&nbsp;" if ($dirtable);
                    672:                download_link($fileurl,
1.45.2.47  knu       673:                        $rev, $rev,
1.45.2.46  knu       674:                        $defaultViewable ? "text/x-cvsweb-markup" : undef);
                    675:                print "</td><td>&nbsp;" if ($dirtable);
                    676:                if ($date) {
                    677:                    print " <i>" . readableTime(time() - $date,0) . "</i>";
                    678:                }
                    679:                if ($show_author) {
                    680:                    print "</td><td>&nbsp;" if ($dirtable);
                    681:                    print $author;
                    682:                }
                    683:                print "</td><td>&nbsp;" if ($dirtable);
                    684:                if ($log) {
                    685:                    print " <font size=-1>" . &htmlify(substr($log,0,$shortLogLen));
                    686:                    if (length $log > 80) {
                    687:                        print "...";
                    688:                    }
                    689:                    print "</font>";
                    690:                }
                    691:                print "</td>" if ($dirtable);
                    692:                print (($dirtable) ? "</tr>" : "<br>");
                    693:                $dirrow++;
                    694:            }
                    695:            print "\n";
                    696:        }
                    697:        if ($dirtable && defined($tableBorderColor)) {
                    698:            print "</td></tr></table>";
                    699:        }
                    700:        print "". ($dirtable == 1) ? "</table>" : "</menu>" . "\n";
1.45.2.47  knu       701:
1.45.2.46  knu       702:        if ($filesexists && !$filesfound) {
                    703:            print "<P><B>NOTE:</B> There are $filesexists files, but none matches the current tag ($input{only_with_tag})\n";
                    704:        }
                    705:        if ($input{only_with_tag} && (!%tags || !$tags{$input{only_with_tag}})) {
                    706:            %tags = %alltags
                    707:        }
1.45.2.47  knu       708:        if (scalar %tags
                    709:            || $input{only_with_tag}
1.45.2.46  knu       710:            || $edit_option_form
                    711:            || defined($input{"options"})) {
                    712:            print "<hr size=1 NOSHADE>";
                    713:        }
                    714:
                    715:        if (scalar %tags || $input{only_with_tag}) {
                    716:            print "<FORM METHOD=\"GET\" ACTION=\"./\">\n";
                    717:            foreach my $var (@stickyvars) {
                    718:                print "<INPUT TYPE=HIDDEN NAME=\"$var\" VALUE=\"$input{$var}\">\n"
                    719:                    if (defined($input{$var})
                    720:                        && $input{$var} ne $DEFAULTVALUE{$var}
                    721:                        && $input{$var} ne ""
                    722:                        && $var ne "only_with_tag");
                    723:            }
                    724:            print "Show only files with tag:\n";
                    725:            print "<SELECT NAME=only_with_tag";
                    726:            print " onchange=\"submit()\"" if ($use_java_script);
                    727:            print ">";
                    728:            print "<OPTION VALUE=\"\">All tags / default branch\n";
                    729:            foreach my $tag (reverse sort { lc $a cmp lc $b } keys %tags) {
1.45.2.47  knu       730:                print "<OPTION",defined($input{only_with_tag}) &&
                    731:                       $input{only_with_tag} eq $tag ? " SELECTED" : "",
1.45.2.46  knu       732:                       ">$tag\n";
                    733:            }
                    734:            print "</SELECT>\n";
                    735:            print "<INPUT TYPE=SUBMIT VALUE=\"Go\">\n";
1.9       fenner    736:            print "</FORM>\n";
                    737:        }
1.45.2.46  knu       738:        my $formwhere = $scriptwhere;
                    739:        $formwhere =~ s|Attic/?$|| if ($input{'hideattic'});
                    740:
                    741:        if ($edit_option_form || defined($input{"options"})) {
                    742:            print "<FORM METHOD=\"GET\" ACTION=\"${formwhere}\">\n";
                    743:            print "<INPUT TYPE=HIDDEN NAME=\"copt\" VALUE=\"1\">\n";
                    744:            if ($cvstree ne $cvstreedefault) {
                    745:                print "<INPUT TYPE=HIDDEN NAME=\"cvsroot\" VALUE=\"$cvstree\">\n";
                    746:            }
                    747:            print "<center><table cellpadding=0 cellspacing=0>";
                    748:            print "<tr bgcolor=\"$columnHeaderColorDefault\"><th colspan=2>Preferences</th></tr>";
                    749:            print "<tr><td>Sort files by <SELECT name=\"sortby\">";
                    750:            print "<OPTION VALUE=\"\">File";
                    751:            print "<OPTION",$bydate ? " SELECTED" : ""," VALUE=date>Age";
                    752:            print "<OPTION",$byauthor ? " SELECTED" : ""," VALUE=author>Author"
                    753:                if ($show_author);
                    754:            print "<OPTION",$byrev ? " SELECTED" : ""," VALUE=rev>Revision";
                    755:            print "<OPTION",$bylog ? " SELECTED" : ""," VALUE=log>Log message";
                    756:            print "</SELECT></td>";
                    757:            print "<td>revisions by: \n";
                    758:            print "<SELECT NAME=logsort>\n";
                    759:            print "<OPTION VALUE=cvs",$logsort eq "cvs" ? " SELECTED" : "", ">Not sorted";
                    760:            print "<OPTION VALUE=date",$logsort eq "date" ? " SELECTED" : "", ">Commit date";
                    761:            print "<OPTION VALUE=rev",$logsort eq "rev" ? " SELECTED" : "", ">Revision";
                    762:            print "</SELECT></td></tr>";
                    763:            print "<tr><td>Diff format: ";
1.45.2.47  knu       764:            printDiffSelect(0);
1.45.2.46  knu       765:            print "</td>";
                    766:            print "<td>Show Attic files: ";
1.45.2.47  knu       767:            print "<INPUT NAME=hideattic TYPE=CHECKBOX", $input{'hideattic'} ? " CHECKED" : "",
1.45.2.46  knu       768:            "></td></tr>\n";
                    769:            print "<tr><td align=center colspan=2><input type=submit value=\"Change Options\">";
                    770:            print "</td></tr></table></center></FORM>\n";
1.12      fenner    771:        }
1.2       jfieber   772:        print &html_footer;
1.1       jfieber   773:        print "</BODY></HTML>\n";
1.45.2.47  knu       774:     }
1.45.2.46  knu       775:
                    776: ###############################
                    777: # View Files
                    778: ###############################
                    779:     elsif (-f $fullname . ',v') {
                    780:        if (defined($input{'rev'}) || $doCheckout) {
                    781:            &doCheckout($fullname, $input{'rev'});
                    782:            exit;
                    783:        }
                    784:        if (defined($input{'annotate'}) && $allow_annotate) {
                    785:            &doAnnotate($input{'annotate'});
                    786:            exit;
                    787:        }
                    788:        if (defined($input{'r1'}) && defined($input{'r2'})) {
                    789:            &doDiff($fullname, $input{'r1'}, $input{'tr1'},
                    790:                    $input{'r2'}, $input{'tr2'}, $input{'f'});
                    791:            exit;
                    792:        }
                    793:        print("going to dolog($fullname)\n") if ($verbose);
                    794:        &doLog($fullname);
                    795: ##############################
                    796: # View Diff
                    797: ##############################
                    798:     }
                    799:     elsif ($fullname =~ s/\.diff$// && -f $fullname . ",v" &&
                    800:           $input{'r1'} && $input{'r2'}) {
                    801:
                    802:        # $where-diff-removal if 'cvs rdiff' is used
                    803:        # .. but 'cvs rdiff'doesn't support some options
                    804:        # rcsdiff does (-w and -p), so it is disabled
                    805:        # $where =~ s/\.diff$//;
                    806:
1.12      fenner    807:        # Allow diffs using the ".diff" extension
                    808:        # so that browsers that default to the URL
                    809:        # for a save filename don't save diff's as
                    810:        # e.g. foo.c
1.45.2.46  knu       811:        &doDiff($fullname, $input{'r1'}, $input{'tr1'},
1.12      fenner    812:                $input{'r2'}, $input{'tr2'}, $input{'f'});
                    813:        exit;
1.45.2.46  knu       814:     }
                    815:     elsif (($newname = $fullname) =~ s|/([^/]+)$|/Attic/$1| &&
                    816:           -f $newname . ",v") {
1.12      fenner    817:        # The file has been removed and is in the Attic.
                    818:        # Send a redirect pointing to the file in the Attic.
1.45.2.46  knu       819:        (my $newplace = $scriptwhere) =~ s|/([^/]+)$|/Attic/$1|;
1.12      fenner    820:        &redirect($newplace);
                    821:        exit;
1.45.2.46  knu       822:     }
                    823:     elsif (0 && (my @files = &safeglob($fullname . ",v"))) {
                    824:        http_header("text/plain");
1.12      fenner    825:        print "You matched the following files:\n";
                    826:        print join("\n", @files);
                    827:        # Find the tags from each file
                    828:        # Display a form offering diffs between said tags
1.45.2.46  knu       829:     }
                    830:     else {
                    831:        my $fh = do {local(*FH);};
                    832:        my ($xtra, $module);
1.12      fenner    833:        # Assume it's a module name with a potential path following it.
1.13      fenner    834:        $xtra = $& if (($module = $where) =~ s|/.*||);
1.12      fenner    835:        # Is there an indexed version of modules?
1.45.2.46  knu       836:        if (open($fh, "$cvsroot/CVSROOT/modules")) {
                    837:            while (<$fh>) {
                    838:                if (/^(\S+)\s+(\S+)/o && $module eq $1
                    839:                    && -d "${cvsroot}/$2" && $module ne $2) {
                    840:                    &redirect($scriptname . '/' . $2 . $xtra);
1.12      fenner    841:                }
1.45.2.46  knu       842:            }
1.12      fenner    843:        }
                    844:        &fatal("404 Not Found","$where: no such file or directory");
1.45.2.46  knu       845:     }
                    846: ## End MAIN
                    847:
1.45.2.47  knu       848: sub printDiffSelect($) {
1.45.2.46  knu       849:     my ($use_java_script) = @_;
                    850:     my ($f) = $input{'f'};
                    851:     print "<SELECT NAME=\"f\"";
                    852:     print " onchange=\"submit()\"" if ($use_java_script);
                    853:     print ">\n";
                    854:     print "<OPTION VALUE=h",$f eq "h" ? " SELECTED" : "", ">Colored Diff";
                    855:     print "<OPTION VALUE=H",$f eq "H" ? " SELECTED" : "", ">Long Colored Diff";
                    856:     print "<OPTION VALUE=u",$f eq "u" ? " SELECTED" : "", ">Unidiff";
                    857:     print "<OPTION VALUE=c",$f eq "c" ? " SELECTED" : "", ">Context Diff";
                    858:     print "<OPTION VALUE=s",$f eq "s" ? " SELECTED" : "", ">Side by Side";
                    859:     print "</SELECT>";
                    860: }
                    861:
1.45.2.47  knu       862: sub findLastModifiedSubdirs(@) {
1.45.2.46  knu       863:     my (@dirs) = @_;
                    864:     my ($dirname, @files);
                    865:
                    866:     foreach $dirname (@dirs) {
                    867:        next if ($dirname eq ".");
                    868:        next if ($dirname eq "..");
                    869:        my ($dir) = "$fullname/$dirname";
                    870:        next if (!-d $dir);
                    871:
                    872:        my ($lastmod) = undef;
                    873:        my ($lastmodtime) = undef;
                    874:        my $dh = do {local(*DH);};
                    875:
                    876:        opendir($dh,$dir) || next;
                    877:        my (@filenames) = readdir($dh);
                    878:        closedir($dh);
                    879:
                    880:        foreach my $filename (@filenames) {
                    881:            $filename = "$dirname/$filename";
                    882:            my ($file) = "$fullname/$filename";
                    883:            next if ($filename !~ /,v$/ || !-f $file);
                    884:            $filename =~ s/,v$//;
                    885:            my $modtime = -M $file;
                    886:            if (!defined($lastmod) || $modtime < $lastmodtime) {
                    887:                $lastmod = $filename;
                    888:                $lastmodtime = $modtime;
                    889:            }
                    890:        }
                    891:        push(@files, $lastmod) if (defined($lastmod));
                    892:     }
                    893:     return @files;
1.12      fenner    894: }
                    895:
1.45.2.47  knu       896: sub htmlify($;$) {
1.45.2.49! knu       897:        my($string, $extra) = @_;
1.12      fenner    898:
1.45.2.46  knu       899:        # Special Characters; RFC 1866
1.12      fenner    900:        $string =~ s/&/&amp;/g;
1.45.2.47  knu       901:        $string =~ s/\"/&quot;/g;
1.12      fenner    902:        $string =~ s/</&lt;/g;
                    903:        $string =~ s/>/&gt;/g;
                    904:
1.45.2.46  knu       905:        # get URL's as link ..
1.45.2.49! knu       906:        $string =~ s`(http|ftp|https)(://[-a-zA-Z0-9%.~:_/]+)([?&]([-a-zA-Z0-9%.~:_]+)=([-a-zA-Z0-9%.~:_])+)*`<A HREF="$1$2$3">$1$2$3</A>`g;
1.45.2.46  knu       907:        # get e-mails as link
1.45.2.49! knu       908:        $string =~ s`([-a-zA-Z0-9_.]+@([-a-zA-Z0-9]+\.)+[A-Za-z]{2,4})`<A HREF="mailto:$1">$1</A>`g;
1.45.2.46  knu       909:
1.45.2.49! knu       910:        if ($extra) {
        !           911:            # get PR #'s as link ..
        !           912:            if (defined($prcgi)) {
        !           913:                1 while $string =~ s`\b(pr[:#]?\s*(?:#?\d+[,\s]\s*)*#?)(\d+)\b`sprintf('%s<A HREF="%s">%s</A>', $1, sprintf($prcgi, $2), $2)`ie;
        !           914:                $string =~ s`\b${prcategories}/(\d+)\b`sprintf('<A HREF="%s">%s</A>', sprintf($prcgi, $1), $&)`igeo;
        !           915:            }
        !           916:
        !           917:            # get manpage specs as link ..
        !           918:            if (defined($mancgi)) {
        !           919:                $string =~ s`\b([a-zA-Z]\w+)\(([0-9n])\)\B`sprintf('<A HREF="%s">%s</A>', sprintf($mancgi, $2, $1), $&)`ge;
        !           920:            }
1.12      fenner    921:        }
                    922:
1.45.2.46  knu       923:        return $string;
                    924: }
                    925:
1.45.2.47  knu       926: sub spacedHtmlText($) {
                    927:        local $_ = $_[0];
1.45.2.46  knu       928:
                    929:        # Cut trailing spaces
1.45.2.47  knu       930:        s/\s+\n$//;
1.45.2.46  knu       931:
                    932:        # Expand tabs
1.45.2.47  knu       933:        s/\t+/' ' x (length($&) * $tabstop - length($`) % $tabstop)/e
1.45.2.46  knu       934:            if (defined($tabstop));
                    935:
                    936:        # replace <tab> and <space> (\001 is to protect us from htmlify)
                    937:        # gzip can make excellent use of this repeating pattern :-)
1.45.2.47  knu       938:        s/\001/\001%/g; #protect our & substitute
1.45.2.46  knu       939:        if ($hr_breakable) {
                    940:            # make every other space 'breakable'
1.45.2.47  knu       941:            s/  / \001nbsp; \001nbsp; \001nbsp; \001nbsp;/g;    # <tab>
                    942:            s/  / \001nbsp;/g;                              # 2 * <space>
1.45.2.46  knu       943:            # leave single space as it is
                    944:        }
                    945:        else {
1.45.2.47  knu       946:            s/  /\001nbsp;\001nbsp;\001nbsp;\001nbsp;\001nbsp;\001nbsp;\001nbsp;\001nbsp;/g;
                    947:            s/ /\001nbsp;/g;
1.45.2.46  knu       948:        }
                    949:
1.45.2.47  knu       950:        $_ = htmlify($_);
1.45.2.46  knu       951:
                    952:        # unescape
1.45.2.47  knu       953:        s/\001([^%])/&$1/g;
                    954:        s/\001%/\001/g;
1.45.2.46  knu       955:
1.45.2.47  knu       956:        return $_;
1.12      fenner    957: }
                    958:
1.45.2.47  knu       959: sub link($$) {
1.45.2.46  knu       960:        my($name, $where) = @_;
1.12      fenner    961:
1.45.2.46  knu       962:        return "<A HREF=\"$where\">$name</A>\n";
1.12      fenner    963: }
                    964:
1.45.2.47  knu       965: sub revcmp($$) {
1.45.2.46  knu       966:        my($rev1, $rev2) = @_;
1.45.2.48  knu       967:
                    968:        # make no comparison for a tag or a branch
                    969:        return 0 if $rev1 =~ /[^\d.]/ || $rev2 =~ /[^\d.]/;
                    970:
1.45.2.46  knu       971:        my(@r1) = split(/\./, $rev1);
                    972:        my(@r2) = split(/\./, $rev2);
                    973:        my($a,$b);
1.12      fenner    974:
                    975:        while (($a = shift(@r1)) && ($b = shift(@r2))) {
                    976:            if ($a != $b) {
                    977:                return $a <=> $b;
                    978:            }
                    979:        }
                    980:        if (@r1) { return 1; }
                    981:        if (@r2) { return -1; }
                    982:        return 0;
                    983: }
                    984:
1.45.2.47  knu       985: sub fatal($$) {
1.45.2.46  knu       986:        my($errcode, $errmsg) = @_;
                    987:        if ($is_mod_perl) {
                    988:                Apache->request->status((split(/ /, $errcode))[0]);
                    989:        }
                    990:        else {
                    991:                print "Status: $errcode\r\n";
                    992:        }
                    993:        html_header("Error");
1.12      fenner    994:        print "Error: $errmsg\n";
                    995:        print &html_footer;
                    996:        exit(1);
                    997: }
                    998:
1.45.2.47  knu       999: sub redirect($) {
1.45.2.46  knu      1000:        my($url) = @_;
                   1001:        if ($is_mod_perl) {
                   1002:                Apache->request->status(301);
                   1003:                Apache->request->header_out(Location => $url);
                   1004:        }
                   1005:        else {
                   1006:                print "Status: 301 Moved\r\n";
                   1007:                print "Location: $url\r\n";
                   1008:        }
                   1009:        html_header("Moved");
1.12      fenner   1010:        print "This document is located <A HREF=$url>here</A>.\n";
                   1011:        print &html_footer;
                   1012:        exit(1);
                   1013: }
                   1014:
1.45.2.47  knu      1015: sub safeglob($) {
1.45.2.46  knu      1016:        my ($filename) = @_;
                   1017:        my ($dirname);
                   1018:        my (@results);
                   1019:        my $dh = do {local(*DH);};
1.12      fenner   1020:
                   1021:        ($dirname = $filename) =~ s|/[^/]+$||;
                   1022:        $filename =~ s|.*/||;
                   1023:
1.45.2.46  knu      1024:        if (opendir($dh, $dirname)) {
                   1025:                my $glob = $filename;
                   1026:                my $t;
1.12      fenner   1027:        #       transform filename from glob to regex.  Deal with:
                   1028:        #       [, {, ?, * as glob chars
                   1029:        #       make sure to escape all other regex chars
                   1030:                $glob =~ s/([\.\(\)\|\+])/\\$1/g;
                   1031:                $glob =~ s/\*/.*/g;
                   1032:                $glob =~ s/\?/./g;
                   1033:                $glob =~ s/{([^}]+)}/($t = $1) =~ s-,-|-g; "($t)"/eg;
1.45.2.46  knu      1034:                foreach (readdir($dh)) {
1.12      fenner   1035:                        if (/^${glob}$/) {
                   1036:                                push(@results, $dirname . "/" .$_);
                   1037:                        }
                   1038:                }
                   1039:        }
                   1040:
                   1041:        @results;
                   1042: }
                   1043:
1.45.2.47  knu      1044: sub getMimeTypeFromSuffix($) {
1.45.2.46  knu      1045:     my ($fullname) = @_;
                   1046:     my ($mimetype, $suffix);
                   1047:     my $fh = do {local(*FH);};
                   1048:
                   1049:     ($suffix = $fullname) =~ s/^.*\.([^.]*)$/$1/;
                   1050:     $mimetype = $MTYPES{$suffix};
                   1051:     $mimetype = $MTYPES{'*'} if (!$mimetype);
1.45.2.47  knu      1052:
1.45.2.46  knu      1053:     if (!$mimetype && -f $mime_types) {
                   1054:        # okey, this is something special - search the
                   1055:        # mime.types database
                   1056:        open ($fh, "<$mime_types");
                   1057:        while (<$fh>) {
                   1058:            if ($_ =~ /^\s*(\S+\/\S+).*\b$suffix\b/) {
                   1059:                $mimetype = $1;
                   1060:                last;
                   1061:            }
                   1062:        }
                   1063:        close ($fh);
                   1064:     }
1.45.2.47  knu      1065:
1.45.2.46  knu      1066: # okey, didn't find anything useful ..
                   1067:     if (!($mimetype =~ /\S\/\S/)) {
                   1068:        $mimetype = "text/plain";
                   1069:     }
                   1070:     return $mimetype;
                   1071: }
1.12      fenner   1072:
1.45.2.46  knu      1073: ###############################
                   1074: # show Annotation
                   1075: ###############################
1.45.2.47  knu      1076: sub doAnnotate($$) {
1.45.2.46  knu      1077:     my ($rev) = @_;
                   1078:     my ($pid);
                   1079:     my ($pathname, $filename);
                   1080:     my $reader = do {local(*FH);};
                   1081:     my $writer = do {local(*FH);};
                   1082:
                   1083:     # make sure the revisions a wellformed, for security
                   1084:     # reasons ..
1.45.2.48  knu      1085:     if ($rev =~ /[^\w.]/) {
1.45.2.46  knu      1086:        &fatal("404 Not Found",
                   1087:                "Malformed query \"$ENV{QUERY_STRING}\"");
                   1088:     }
                   1089:
                   1090:     ($pathname = $where) =~ s/(Attic\/)?[^\/]*$//;
                   1091:     ($filename = $where) =~ s/^.*\///;
                   1092:
                   1093:     http_header();
                   1094:
1.45.2.47  knu      1095:     navigateHeader($scriptwhere,$pathname,$filename,$rev, "annotate");
1.45.2.46  knu      1096:     print "<h3 align=center>Annotation of $pathname$filename, Revision $rev</h3>\n";
                   1097:
                   1098:     # this seems to be necessary
                   1099:     $| = 1; $| = 0; # Flush
                   1100:
                   1101:     # this annotate version is based on the
                   1102:     # cvs annotate-demo Perl script by Cyclic Software
                   1103:     # It was written by Cyclic Software, http://www.cyclic.com/, and is in
                   1104:     # the public domain.
                   1105:     # we could abandon the use of rlog, rcsdiff and co using
                   1106:     # the cvsserver in a similiar way one day (..after rewrite)
1.45.2.47  knu      1107:     $pid = open2($reader, $writer, "cvs server") || fatal ("500 Internal Error",
1.45.2.46  knu      1108:                                                               "Fatal Error - unable to open cvs for annotation");
1.45.2.47  knu      1109:
1.45.2.46  knu      1110:     # OK, first send the request to the server.  A simplified example is:
                   1111:     #     Root /home/kingdon/zwork/cvsroot
                   1112:     #     Argument foo/xx
                   1113:     #     Directory foo
                   1114:     #     /home/kingdon/zwork/cvsroot/foo
                   1115:     #     Directory .
                   1116:     #     /home/kingdon/zwork/cvsroot
                   1117:     #     annotate
                   1118:     # although as you can see there are a few more details.
1.45.2.47  knu      1119:
1.45.2.46  knu      1120:     print $writer "Root $cvsroot\n";
                   1121:     print $writer "Valid-responses ok error Valid-requests Checked-in Updated Merged Removed M E\n";
                   1122:     # Don't worry about sending valid-requests, the server just needs to
                   1123:     # support "annotate" and if it doesn't, there isn't anything to be done.
                   1124:     print $writer "UseUnchanged\n";
                   1125:     print $writer "Argument -r\n";
                   1126:     print $writer "Argument $rev\n";
                   1127:     print $writer "Argument $where\n";
                   1128:
                   1129:     # The protocol requires us to fully fake a working directory (at
                   1130:     # least to the point of including the directories down to the one
                   1131:     # containing the file in question).
                   1132:     # So if $where is "dir/sdir/file", then @dirs will be ("dir","sdir","file")
                   1133:     my @dirs = split('/', $where);
                   1134:     my $path = "";
                   1135:     foreach (@dirs) {
                   1136:        if ($path eq "") {
                   1137:            # In our example, $_ is "dir".
                   1138:            $path = $_;
1.45.2.47  knu      1139:        }
1.45.2.46  knu      1140:        else {
                   1141:            print $writer "Directory $path\n";
                   1142:            print $writer "$cvsroot/$path\n";
                   1143:            # In our example, $_ is "sdir" and $path becomes "dir/sdir"
                   1144:            # And the next time, "file" and "dir/sdir/file" (which then gets
                   1145:            # ignored, because we don't need to send Directory for the file).
                   1146:             $path .= "/$_";
1.12      fenner   1147:        }
1.45.2.46  knu      1148:     }
                   1149:     # And the last "Directory" before "annotate" is the top level.
                   1150:     print $writer "Directory .\n";
                   1151:     print $writer "$cvsroot\n";
1.45.2.47  knu      1152:
1.45.2.46  knu      1153:     print $writer "annotate\n";
                   1154:     # OK, we've sent our command to the server.  Thing to do is to
                   1155:     # close the writer side and get all the responses.  If "cvs server"
                   1156:     # were nicer about buffering, then we could just leave it open, I think.
                   1157:     close ($writer) || die "cannot close: $!";
1.45.2.47  knu      1158:
1.45.2.46  knu      1159:     # Ready to get the responses from the server.
                   1160:     # For example:
                   1161:     #     E Annotations for foo/xx
                   1162:     #     E ***************
1.45.2.47  knu      1163:     #     M 1.3          (kingdon  06-Sep-97): hello
1.45.2.46  knu      1164:     #     ok
                   1165:     my ($lineNr) = 0;
                   1166:     my ($oldLrev, $oldLusr) = ("", "");
                   1167:     my ($revprint, $usrprint);
                   1168:     if ($annTable) {
                   1169:        print "<table border=0 cellspacing=0 cellpadding=0>\n";
                   1170:     }
                   1171:     else {
                   1172:        print "<pre>";
                   1173:     }
                   1174:     while (<$reader>) {
                   1175:        my @words = split;
                   1176:        # Adding one is for the (single) space which follows $words[0].
                   1177:        my $rest = substr ($_, length ($words[0]) + 1);
                   1178:        if ($words[0] eq "E") {
                   1179:            next;
                   1180:        }
                   1181:        elsif ($words[0] eq "M") {
                   1182:            $lineNr++;
                   1183:            my $lrev = substr ($_, 2, 13);
                   1184:            my $lusr = substr ($_, 16,  9);
                   1185:            my $line = substr ($_, 36);
                   1186:            # we should parse the date here ..
                   1187:            if ($lrev eq $oldLrev) {
                   1188:                $revprint = "             ";
                   1189:            }
                   1190:            else {
                   1191:                $revprint = $lrev; $oldLusr = "";
                   1192:            }
                   1193:            if ($lusr eq $oldLusr) {
                   1194:                $usrprint = "         ";
                   1195:            }
                   1196:            else {
                   1197:                $usrprint = $lusr;
                   1198:            }
                   1199:            $oldLrev = $lrev;
                   1200:            $oldLusr = $lusr;
                   1201:            # is there a less timeconsuming way to strip spaces ?
                   1202:            ($lrev = $lrev) =~ s/\s+//g;
                   1203:            my $isCurrentRev = ($rev eq $lrev);
1.45.2.47  knu      1204:
1.45.2.46  knu      1205:            print "<b>" if ($isCurrentRev);
                   1206:            printf ("%8s%s%8s %4d:", $revprint, ($isCurrentRev ? "|" : " "), $usrprint, $lineNr);
                   1207:            print spacedHtmlText($line);
                   1208:            print "</b>" if ($isCurrentRev);
                   1209:        }
                   1210:        elsif ($words[0] eq "ok") {
                   1211:            # We could complain about any text received after this, like the
                   1212:            # CVS command line client.  But for simplicity, we don't.
                   1213:        }
                   1214:        elsif ($words[0] eq "error") {
                   1215:            fatal ("500 Internal Error", "Error occured during annotate: <b>$_</b>");
                   1216:        }
                   1217:     }
                   1218:     if ($annTable) {
                   1219:        print "</table>";
                   1220:     }
                   1221:     else {
                   1222:        print "</pre>";
                   1223:     }
                   1224:     close ($reader) || warn "cannot close: $!";
                   1225:     wait;
                   1226: }
                   1227:
                   1228: ###############################
                   1229: # make Checkout
                   1230: ###############################
1.45.2.47  knu      1231: sub doCheckout($$) {
1.45.2.46  knu      1232:     my ($fullname, $rev) = @_;
                   1233:     my ($mimetype,$revopt);
                   1234:     my $fh = do {local(*FH);};
                   1235:
1.45.2.48  knu      1236:     if ($rev eq 'HEAD' || $rev eq '.') {
                   1237:        $rev = undef;
                   1238:     }
                   1239:
1.45.2.46  knu      1240:     # make sure the revisions a wellformed, for security
                   1241:     # reasons ..
1.45.2.48  knu      1242:     if (defined($rev) && $rev =~ /[^\w.]/) {
1.45.2.46  knu      1243:        &fatal("404 Not Found",
                   1244:                "Malformed query \"$ENV{QUERY_STRING}\"");
                   1245:     }
                   1246:
                   1247:     # get mimetype
                   1248:     if (defined($input{"content-type"}) && ($input{"content-type"} =~ /\S\/\S/)) {
                   1249:        $mimetype = $input{"content-type"}
                   1250:     }
                   1251:     else {
                   1252:        $mimetype = &getMimeTypeFromSuffix($fullname);
                   1253:     }
                   1254:
                   1255:     if (defined($rev)) {
                   1256:        $revopt = "-r$rev";
                   1257:        if ($use_moddate) {
                   1258:            readLog($fullname,$rev);
                   1259:            $moddate=$date{$rev};
                   1260:        }
                   1261:     }
                   1262:     else {
                   1263:        $revopt = "-rHEAD";
                   1264:        if ($use_moddate) {
                   1265:            readLog($fullname);
                   1266:            $moddate=$date{$symrev{HEAD}};
                   1267:        }
                   1268:     }
1.45.2.47  knu      1269:
1.45.2.46  knu      1270:     ### just for the record:
                   1271:     ### 'cvs co' seems to have a bug regarding single checkout of
                   1272:     ### directories/files having spaces in it;
                   1273:     ### this is an issue that should be resolved on cvs's side
                   1274:     #
                   1275:     # Safely for a child process to read from.
                   1276:     if (! open($fh, "-|")) { # child
                   1277:       open(STDERR, ">&STDOUT"); # Redirect stderr to stdout
1.45.2.48  knu      1278:       exec("cvs", "-Rld", $cvsroot, "co", "-p", $revopt, $where);
1.45.2.47  knu      1279:     }
1.45.2.46  knu      1280: #===================================================================
                   1281: #Checking out squid/src/ftp.c
                   1282: #RCS:  /usr/src/CVS/squid/src/ftp.c,v
                   1283: #VERS: 1.1.1.28.6.2
                   1284: #***************
                   1285:
                   1286:     # Parse CVS header
                   1287:     my ($revision, $filename, $cvsheader);
                   1288:     while(<$fh>) {
                   1289:        last if (/^\*\*\*\*/);
                   1290:        $revision = $1 if (/^VERS: (.*)$/);
                   1291:        if (/^Checking out (.*)$/) {
                   1292:                $filename = $1;
                   1293:                $filename =~ s/^\.\/*//;
                   1294:        }
                   1295:        $cvsheader .= $_;
                   1296:     }
                   1297:     if ($filename ne $where) {
                   1298:        &fatal("500 Internal Error",
                   1299:               "Unexpected output from cvs co: $cvsheader"
                   1300:               . "<p><b>Check whether the directory $cvsroot/CVSROOT exists "
                   1301:               . "and the script has write-access to the CVSROOT/history "
                   1302:               . "file if it exists."
                   1303:               . "<br>The script needs to place lock files in the "
                   1304:               . "directory the file is in as well.</b>");
                   1305:     }
                   1306:     $| = 1;
                   1307:
                   1308:     if ($mimetype eq "text/x-cvsweb-markup") {
                   1309:        &cvswebMarkup($fh,$fullname,$revision);
                   1310:     }
                   1311:     else {
                   1312:        http_header($mimetype);
                   1313:        print <$fh>;
                   1314:     }
                   1315:     close($fh);
                   1316: }
                   1317:
1.45.2.47  knu      1318: sub cvswebMarkup($$$) {
1.45.2.46  knu      1319:     my ($filehandle,$fullname,$revision) = @_;
                   1320:     my ($pathname, $filename);
                   1321:
                   1322:     ($pathname = $where) =~ s/(Attic\/)?[^\/]*$//;
                   1323:     ($filename = $where) =~ s/^.*\///;
                   1324:     my ($fileurl) = urlencode($filename);
                   1325:
                   1326:     http_header();
                   1327:
1.45.2.47  knu      1328:     navigateHeader($scriptwhere, $pathname, $filename, $revision, "view");
1.45.2.46  knu      1329:     print "<HR noshade>";
                   1330:     print "<table width=\"100%\"><tr><td bgcolor=\"$markupLogColor\">";
                   1331:     print "File: ", &clickablePath($where, 1);
                   1332:     print "&nbsp;";
                   1333:     &download_link(urlencode($fileurl), $revision, "(download)");
                   1334:     if (!$defaultTextPlain) {
                   1335:        print "&nbsp;";
1.45.2.47  knu      1336:        &download_link(urlencode($fileurl), $revision, "(as text)",
1.45.2.46  knu      1337:               "text/plain");
                   1338:     }
                   1339:     print "<BR>\n";
                   1340:     if ($show_log_in_markup) {
                   1341:        readLog($fullname); #,$revision);
                   1342:        printLog($revision,0);
                   1343:     }
                   1344:     else {
                   1345:        print "Version: <B>$revision</B><BR>\n";
                   1346:        print "Tag: <B>", $input{only_with_tag}, "</b><br>\n" if
                   1347:            $input{only_with_tag};
                   1348:     }
                   1349:     print "</td></tr></table>";
                   1350:     my @content = <$filehandle>;
                   1351:     my $url = download_url($fileurl, $revision, $mimetype);
                   1352:     print "<HR noshade>";
                   1353:     if ($mimetype =~ /^image/) {
                   1354:        print "<IMG SRC=\"$url$barequery\"><BR>";
                   1355:     }
                   1356:     else {
                   1357:        print "<PRE>";
                   1358:        foreach (@content) {
                   1359:            print spacedHtmlText($_);
1.12      fenner   1360:        }
1.45.2.46  knu      1361:        print "</PRE>";
                   1362:     }
1.12      fenner   1363: }
                   1364:
1.45.2.46  knu      1365: sub viewable($) {
                   1366:     my ($mimetype) = @_;
                   1367:
1.45.2.47  knu      1368:     $mimetype =~ m%^(text|image)/%;
1.45.2.46  knu      1369: }
                   1370:
                   1371: ###############################
                   1372: # Show Colored Diff
                   1373: ###############################
1.45.2.47  knu      1374: sub doDiff($$$$$$) {
1.45.2.46  knu      1375:        my($fullname, $r1, $tr1, $r2, $tr2, $f) = @_;
                   1376:         my $fh = do {local(*FH);};
                   1377:        my ($rev1, $rev2, $sym1, $sym2, @difftype, $diffname, $f1, $f2);
1.12      fenner   1378:
                   1379:        if ($r1 =~ /([^:]+)(:(.+))?/) {
                   1380:            $rev1 = $1;
                   1381:            $sym1 = $3;
                   1382:        }
1.45.2.46  knu      1383:        if ($r1 eq 'text') {
1.12      fenner   1384:            $rev1 = $tr1;
1.45.2.46  knu      1385:            $sym1 = "";
1.12      fenner   1386:        }
                   1387:        if ($r2 =~ /([^:]+)(:(.+))?/) {
                   1388:            $rev2 = $1;
                   1389:            $sym2 = $3;
                   1390:        }
1.45.2.46  knu      1391:        if ($r2 eq 'text') {
1.12      fenner   1392:            $rev2 = $tr2;
1.45.2.46  knu      1393:            $sym2 = "";
1.12      fenner   1394:        }
1.45.2.48  knu      1395:
1.45.2.46  knu      1396:        # make sure the revisions a wellformed, for security
                   1397:        # reasons ..
1.45.2.48  knu      1398:        if ($rev1 =~ /[^\w.]/ || $rev2 =~ /[^\w.]/) {
1.12      fenner   1399:            &fatal("404 Not Found",
1.45.2.46  knu      1400:                    "Malformed query \"$ENV{QUERY_STRING}\"");
1.12      fenner   1401:        }
                   1402: #
                   1403: # rev1 and rev2 are now both numeric revisions.
                   1404: # Thus we do a DWIM here and swap them if rev1 is after rev2.
                   1405: # XXX should we warn about the fact that we do this?
                   1406:        if (&revcmp($rev1,$rev2) > 0) {
1.45.2.46  knu      1407:            my ($tmp1, $tmp2) = ($rev1, $sym1);
1.12      fenner   1408:            ($rev1, $sym1) = ($rev2, $sym2);
                   1409:            ($rev2, $sym2) = ($tmp1, $tmp2);
                   1410:        }
1.45.2.46  knu      1411:        my $human_readable = 0;
1.12      fenner   1412:        if ($f eq 'c') {
1.45.2.46  knu      1413:            @difftype = qw{-c};
1.12      fenner   1414:            $diffname = "Context diff";
1.45.2.46  knu      1415:        }
                   1416:        elsif ($f eq 's') {
                   1417:            @difftype = qw{--side-by-side --width=164};
1.12      fenner   1418:            $diffname = "Side by Side";
1.45.2.46  knu      1419:        }
                   1420:        elsif ($f eq 'H') {
                   1421:            $human_readable = 1;
                   1422:            @difftype = qw{--unified=15};
                   1423:            $diffname = "Long Human readable";
                   1424:        }
                   1425:        elsif ($f eq 'h') {
                   1426:            @difftype =qw{-u};
                   1427:            $human_readable = 1;
                   1428:            $diffname = "Human readable";
                   1429:        }
                   1430:        elsif ($f eq 'u') {
                   1431:            @difftype = qw{-u};
1.12      fenner   1432:            $diffname = "Unidiff";
                   1433:        }
1.45.2.46  knu      1434:        else {
                   1435:            fatal ("400 Bad arguments", "Diff format $f not understood");
                   1436:        }
                   1437:
                   1438:        # apply special options
                   1439:        if ($showfunc) {
1.45.2.48  knu      1440:            push @difftype, '-p' if $f =~ /^[cHhu]$/;
1.45.2.46  knu      1441:
                   1442:            my($re1, $re2);
                   1443:
                   1444:            while (($re1, $re2) = each %funcline_regexp) {
                   1445:                if ($fullname =~ /$re1/) {
                   1446:                    push @difftype, '-F', '$re2';
                   1447:                    last;
                   1448:                }
                   1449:            }
                   1450:        }
                   1451:        if ($human_readable) {
                   1452:            if ($hr_ignwhite) {
                   1453:                push @difftype, '-w';
                   1454:            }
                   1455:            if ($hr_ignkeysubst) {
                   1456:                push @difftype, '-kk';
                   1457:            }
                   1458:        }
                   1459:        if (! open($fh, "-|")) { # child
1.44      knu      1460:            open(STDERR, ">&STDOUT"); # Redirect stderr to stdout
1.45.2.46  knu      1461:            exec("rcsdiff",@difftype,"-r$rev1","-r$rev2",$fullname);
                   1462:        }
                   1463:        if ($human_readable) {
                   1464:            http_header();
                   1465:            &human_readable_diff($fh, $rev2);
                   1466:            exit;
                   1467:        }
                   1468:        else {
                   1469:            http_header("text/plain");
1.44      knu      1470:        }
1.12      fenner   1471: #
                   1472: #===================================================================
                   1473: #RCS file: /home/ncvs/src/sys/netinet/tcp_output.c,v
                   1474: #retrieving revision 1.16
                   1475: #retrieving revision 1.17
                   1476: #diff -c -r1.16 -r1.17
                   1477: #*** /home/ncvs/src/sys/netinet/tcp_output.c     1995/11/03 22:08:08     1.16
                   1478: #--- /home/ncvs/src/sys/netinet/tcp_output.c     1995/12/05 17:46:35     1.17
                   1479: #
                   1480: # Ideas:
                   1481: # - nuke the stderr output if it's what we expect it to be
                   1482: # - Add "no differences found" if the diff command supplied no output.
                   1483: #
                   1484: #*** src/sys/netinet/tcp_output.c     1995/11/03 22:08:08     1.16
                   1485: #--- src/sys/netinet/tcp_output.c     1995/12/05 17:46:35     1.17 RELENG_2_1_0
                   1486: # (bogus example, but...)
                   1487: #
1.45.2.46  knu      1488:        if (grep { $_ eq '-u'} @difftype) {
1.12      fenner   1489:            $f1 = '---';
                   1490:            $f2 = '\+\+\+';
1.45.2.46  knu      1491:        }
                   1492:        else {
1.12      fenner   1493:            $f1 = '\*\*\*';
                   1494:            $f2 = '---';
                   1495:        }
1.45.2.46  knu      1496:        while (<$fh>) {
1.12      fenner   1497:            if (m|^$f1 $cvsroot|o) {
                   1498:                s|$cvsroot/||o;
                   1499:                if ($sym1) {
                   1500:                    chop;
                   1501:                    $_ .= " " . $sym1 . "\n";
                   1502:                }
1.45.2.46  knu      1503:            }
                   1504:            elsif (m|^$f2 $cvsroot|o) {
1.12      fenner   1505:                s|$cvsroot/||o;
                   1506:                if ($sym2) {
                   1507:                    chop;
                   1508:                    $_ .= " " . $sym2 . "\n";
                   1509:                }
                   1510:            }
                   1511:            print $_;
                   1512:        }
1.45.2.46  knu      1513:        close($fh);
1.12      fenner   1514: }
                   1515:
1.45.2.46  knu      1516: ###############################
                   1517: # Show Logs ..
                   1518: ###############################
1.45.2.47  knu      1519: sub getDirLogs($$@) {
1.45.2.46  knu      1520:     my ($cvsroot,$dirname,@otherFiles) = @_;
                   1521:     my ($state,$otherFiles,$tag, $file, $date, $branchpoint, $branch, $log);
                   1522:     my ($rev, $revision, $revwanted, $filename, $head, $author);
                   1523:
                   1524:     $tag = $input{only_with_tag};
                   1525:
                   1526:     my ($DirName) = "$cvsroot/$where";
                   1527:     my (@files, @filetags);
                   1528:     my $fh = do {local(*FH);};
                   1529:
                   1530:     push(@files, &safeglob("$DirName/*,v"));
                   1531:     push(@files, &safeglob("$DirName/Attic/*,v")) if (!$input{'hideattic'});
                   1532:     foreach $file (@otherFiles) {
                   1533:        push(@files, "$DirName/$file");
                   1534:     }
                   1535:
                   1536:     # just execute rlog if there are any files
1.45.2.47  knu      1537:     if ($#files < 0) {
1.45.2.46  knu      1538:        return;
                   1539:     }
                   1540:
                   1541:     if ($tag) {
                   1542:        #can't use -r<tag> as - is allowed in tagnames, but misinterpreated by rlog..
                   1543:        if (! open($fh, "-|")) {
                   1544:                open(STDERR, '>/dev/null'); # rlog may complain; ignore.
                   1545:                exec('rlog', @files);
                   1546:        }
                   1547:     }
                   1548:     else {
                   1549:        my $kidpid = open($fh, "-|");
                   1550:        if (! $kidpid) {
                   1551:                open(STDERR, '>/dev/null'); # rlog may complain; ignore.
                   1552:                exec('rlog', '-r', @files);
                   1553:        }
                   1554:     }
                   1555:     $state = "start";
                   1556:     while (<$fh>) {
                   1557:        if ($state eq "start") {
                   1558:            #Next file. Initialize file variables
                   1559:            $rev = undef;
                   1560:            $revwanted = undef;
                   1561:            $branch = undef;
                   1562:            $branchpoint = undef;
                   1563:            $filename = undef;
                   1564:            $log = undef;
                   1565:            $revision = undef;
                   1566:            $branch = undef;
                   1567:            %symrev = ();
                   1568:            @filetags = ();
                   1569:            #jump to head state
                   1570:            $state = "head";
                   1571:        }
                   1572:        print "$state:$_" if ($verbose);
                   1573: again:
                   1574:        if ($state eq "head") {
                   1575:            #$rcsfile = $1 if (/^RCS file: (.+)$/); #not used (yet)
                   1576:            $filename = $1 if (/^Working file: (.+)$/);
                   1577:            $head = $1 if (/^head: (.+)$/);
                   1578:            $branch = $1 if (/^branch: (.+)$/);
                   1579:        }
                   1580:        if ($state eq "head" && /^symbolic names/) {
                   1581:            $state = "tags";
1.45.2.47  knu      1582:            ($branch = $head) =~ s/\.\d+$// if (!defined($branch));
1.45.2.46  knu      1583:            $branch =~ s/(\.?)(\d+)$/${1}0.$2/;
                   1584:            $symrev{MAIN} = $branch;
                   1585:            $symrev{HEAD} = $branch;
                   1586:            $alltags{MAIN} = 1;
                   1587:            $alltags{HEAD} = 1;
                   1588:            push (@filetags, "MAIN", "HEAD");
                   1589:            next;
                   1590:        }
                   1591:        if ($state eq "tags" &&
                   1592:                            /^\s+(.+):\s+([\d\.]+)\s+$/) {
                   1593:            push (@filetags, $1);
                   1594:            $symrev{$1} = $2;
                   1595:            $alltags{$1} = 1;
                   1596:            next;
                   1597:        }
                   1598:        if ($state eq "tags" && /^\S/) {
                   1599:            if (defined($tag) && (defined($symrev{$tag}) || $tag eq "HEAD")) {
                   1600:                $revwanted = $tag eq "HEAD" ? $symrev{"MAIN"} : $symrev{$tag};
                   1601:                ($branch = $revwanted) =~ s/\b0\.//;
                   1602:                ($branchpoint = $branch) =~ s/\.?\d+$//;
                   1603:                $revwanted = undef if ($revwanted ne $branch);
                   1604:            }
                   1605:            elsif (defined($tag) && $tag ne "HEAD") {
                   1606:                print "Tag not found, skip this file" if ($verbose);
                   1607:                $state = "skip";
                   1608:                next;
                   1609:            }
                   1610:            foreach my $tagfound (@filetags) {
                   1611:                $tags{$tagfound} = 1;
                   1612:            }
                   1613:            $state = "head";
                   1614:            goto again;
                   1615:        }
                   1616:        if ($state eq "head" && /^----------------------------$/) {
                   1617:            $state = "log";
                   1618:            $rev = undef;
                   1619:            $date = undef;
                   1620:            $log = "";
                   1621:            # Try to reconstruct the relative filename if RCS spits out a full path
                   1622:            $filename =~ s%^\Q$DirName\E/%%;
                   1623:            next;
                   1624:        }
                   1625:        if ($state eq "log") {
                   1626:            if (/^----------------------------$/
                   1627:                || /^=============================/) {
                   1628:                # End of a log entry.
                   1629:                my $revbranch;
                   1630:                ($revbranch = $rev) =~ s/\.\d+$//;
                   1631:                print "$filename $rev Wanted: $revwanted "
                   1632:                    . "Revbranch: $revbranch Branch: $branch "
                   1633:                    . "Branchpoint: $branchpoint\n" if ($verbose);
                   1634:                if (!defined($revwanted) && defined($branch)
                   1635:                    && $branch eq $revbranch || !defined($tag)) {
                   1636:                    print "File revision $rev found for branch $branch\n"
                   1637:                        if ($verbose);
                   1638:                    $revwanted = $rev;
                   1639:                }
                   1640:                if (defined($revwanted) ? $rev eq $revwanted :
                   1641:                    defined($branchpoint) ? $rev eq $branchpoint :
                   1642:                    0 && ($rev eq $head)) { # Don't think head is needed here..
                   1643:                    print "File info $rev found for $filename\n" if ($verbose);
                   1644:                    my @finfo = ($rev,$date,$log,$author,$filename);
                   1645:                    my ($name);
                   1646:                    ($name = $filename) =~ s%/.*%%;
                   1647:                    $fileinfo{$name} = [ @finfo ];
                   1648:                    $state = "done" if ($rev eq $revwanted);
                   1649:                }
                   1650:                $rev = undef;
                   1651:                $date = undef;
                   1652:                $log = "";
                   1653:            }
                   1654:            elsif (!defined($date) && m|^date:\s+(\d+)/(\d+)/(\d+)\s+(\d+):(\d+):(\d+);|) {
                   1655:                my $yr = $1;
                   1656:                # damn 2-digit year routines :-)
                   1657:                if ($yr > 100) {
                   1658:                    $yr -= 1900;
                   1659:                }
                   1660:                $date = &Time::Local::timegm($6,$5,$4,$3,$2 - 1,$yr);
                   1661:                ($author) = /author: ([^;]+)/;
                   1662:                $state = "log";
                   1663:                $log = '';
                   1664:                next;
                   1665:            }
                   1666:            elsif (!defined($rev) && m/^revision (.*)$/) {
                   1667:                $rev = $1;
                   1668:                next;
                   1669:            }
                   1670:            else {
                   1671:                $log = $log . $_;
                   1672:            }
                   1673:        }
                   1674:        if (/^===============/) {
                   1675:            $state = "start";
                   1676:            next;
                   1677:        }
                   1678:     }
                   1679:     if ($. == 0) {
1.45.2.47  knu      1680:        fatal("500 Internal Error",
1.45.2.46  knu      1681:              "Failed to spawn GNU rlog on <em>'".join(", ", @files)."'</em><p>did you set the <b>\$ENV{PATH}</b> in your configuration file correctly ?");
                   1682:     }
                   1683:     close($fh);
                   1684: }
                   1685:
1.45.2.47  knu      1686: sub readLog($;$) {
1.45.2.46  knu      1687:        my($fullname,$revision) = @_;
                   1688:        my ($symnames, $head, $rev, $br, $brp, $branch, $branchrev);
                   1689:        my $fh = do {local(*FH);};
                   1690:
                   1691:        if (defined($revision)) {
                   1692:            $revision = "-r$revision";
                   1693:        }
                   1694:        else {
                   1695:            $revision = "";
                   1696:        }
                   1697:
                   1698:        undef %symrev;
                   1699:        undef %revsym;
                   1700:        undef @allrevisions;
                   1701:        undef %date;
                   1702:        undef %author;
                   1703:        undef %state;
                   1704:        undef %difflines;
                   1705:        undef %log;
1.12      fenner   1706:
                   1707:        print("Going to rlog '$fullname'\n") if ($verbose);
1.45.2.46  knu      1708:        if (! open($fh, "-|")) { # child
                   1709:                if ($revision ne '') {
                   1710:                        exec("rlog",$revision,$fullname);
                   1711:                }
                   1712:                else {
                   1713:                        exec("rlog",$fullname);
                   1714:                }
1.44      knu      1715:        }
1.45.2.46  knu      1716:        while (<$fh>) {
1.1       jfieber  1717:            print if ($verbose);
                   1718:            if ($symnames) {
                   1719:                if (/^\s+([^:]+):\s+([\d\.]+)/) {
                   1720:                    $symrev{$1} = $2;
1.45.2.46  knu      1721:                }
                   1722:                else {
1.1       jfieber  1723:                    $symnames = 0;
                   1724:                }
1.45.2.46  knu      1725:            }
                   1726:            elsif (/^head:\s+([\d\.]+)/) {
                   1727:                $head = $1;
                   1728:            }
                   1729:            elsif (/^branch:\s+([\d\.]+)/) {
                   1730:                $curbranch = $1;
                   1731:            }
                   1732:            elsif (/^symbolic names/) {
1.1       jfieber  1733:                $symnames = 1;
1.45.2.46  knu      1734:            }
                   1735:            elsif (/^-----/) {
1.1       jfieber  1736:                last;
                   1737:            }
                   1738:        }
1.45.2.46  knu      1739:        ($curbranch = $head) =~ s/\.\d+$// if (!defined($curbranch));
1.7       fenner   1740:
1.1       jfieber  1741: # each log entry is of the form:
                   1742: # ----------------------------
                   1743: # revision 3.7.1.1
                   1744: # date: 1995/11/29 22:15:52;  author: fenner;  state: Exp;  lines: +5 -3
                   1745: # log info
                   1746: # ----------------------------
                   1747:        logentry:
                   1748:        while (!/^=========/) {
1.45.2.46  knu      1749:            $_ = <$fh>;
1.12      fenner   1750:            last logentry if (!defined($_));    # EOF
1.1       jfieber  1751:            print "R:", $_ if ($verbose);
                   1752:            if (/^revision ([\d\.]+)/) {
                   1753:                $rev = $1;
1.45.2.46  knu      1754:                unshift(@allrevisions,$rev);
                   1755:            }
                   1756:            elsif (/^========/ || /^----------------------------$/) {
1.1       jfieber  1757:                next logentry;
1.45.2.46  knu      1758:            }
                   1759:            else {
1.12      fenner   1760:                # The rlog output is syntactically ambiguous.  We must
                   1761:                # have guessed wrong about where the end of the last log
                   1762:                # message was.
                   1763:                # Since this is likely to happen when people put rlog output
                   1764:                # in their commit messages, don't even bother keeping
                   1765:                # these lines since we don't know what revision they go with
                   1766:                # any more.
                   1767:                next logentry;
                   1768: #              &fatal("500 Internal Error","Error parsing RCS output: $_");
1.1       jfieber  1769:            }
1.45.2.46  knu      1770:            $_ = <$fh>;
1.1       jfieber  1771:            print "D:", $_ if ($verbose);
1.45.2.46  knu      1772:            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+-]+))?|) {
                   1773:                my $yr = $1;
                   1774:                 # damn 2-digit year routines :-)
                   1775:                 if ($yr > 100) {
                   1776:                     $yr -= 1900;
                   1777:                 }
                   1778:                $date{$rev} = &Time::Local::timegm($6,$5,$4,$3,$2 - 1,$yr);
1.1       jfieber  1779:                $author{$rev} = $7;
1.9       fenner   1780:                $state{$rev} = $8;
1.45.2.46  knu      1781:                $difflines{$rev} = $10;
                   1782:            }
                   1783:            else {
1.1       jfieber  1784:                &fatal("500 Internal Error", "Error parsing RCS output: $_");
                   1785:            }
                   1786:            line:
1.45.2.46  knu      1787:            while (<$fh>) {
1.1       jfieber  1788:                print "L:", $_ if ($verbose);
                   1789:                next line if (/^branches:\s/);
                   1790:                last line if (/^----------------------------$/ || /^=========/);
                   1791:                $log{$rev} .= $_;
                   1792:            }
                   1793:            print "E:", $_ if ($verbose);
                   1794:        }
1.45.2.46  knu      1795:        close($fh);
1.1       jfieber  1796:        print "Done reading RCS file\n" if ($verbose);
1.45.2.46  knu      1797:
                   1798:        @revorder = reverse sort {revcmp($a,$b)} @allrevisions;
                   1799:        print "Done sorting revisions",join(" ",@revorder),"\n" if ($verbose);
                   1800:
1.1       jfieber  1801: #
                   1802: # HEAD is an artificial tag which is simply the highest tag number on the main
1.8       fenner   1803: # branch, unless there is a branch tag in the RCS file in which case it's the
                   1804: # highest revision on that branch.  Find it by looking through @revorder; it
                   1805: # is the first commit listed on the appropriate branch.
1.45.2.46  knu      1806: # This is not neccesary the same revision as marked as head in the RCS file.
                   1807:        my $headrev = $curbranch || "1";
                   1808:        ($symrev{"MAIN"} = $headrev) =~ s/(\.?)(\d+)$/${1}0.$2/;
1.1       jfieber  1809:        revision:
1.45.2.46  knu      1810:        foreach $rev (@revorder) {
                   1811:            if ($rev =~ /^(\S*)\.\d+$/ && $headrev eq $1) {
                   1812:                $symrev{"HEAD"} = $rev;
1.1       jfieber  1813:                last revision;
                   1814:            }
                   1815:        }
1.45.2.46  knu      1816:        ($symrev{"HEAD"} = $headrev) =~ s/\.\d+$//
                   1817:             if (!defined($symrev{"HEAD"}));
1.1       jfieber  1818:        print "Done finding HEAD\n" if ($verbose);
                   1819: #
                   1820: # Now that we know all of the revision numbers, we can associate
                   1821: # absolute revision numbers with all of the symbolic names, and
                   1822: # pass them to the form so that the same association doesn't have
                   1823: # to be built then.
                   1824: #
1.45.2.46  knu      1825:        undef @branchnames;
                   1826:        undef %branchpoint;
                   1827:        undef $sel;
                   1828:
                   1829:        foreach (reverse sort keys %symrev) {
1.1       jfieber  1830:            $rev = $symrev{$_};
1.45.2.46  knu      1831:            if ($rev =~ /^((.*)\.)?\b0\.(\d+)$/) {
1.7       fenner   1832:                push(@branchnames, $_);
1.1       jfieber  1833:                #
                   1834:                # A revision number of A.B.0.D really translates into
                   1835:                # "the highest current revision on branch A.B.D".
                   1836:                #
                   1837:                # If there is no branch A.B.D, then it translates into
                   1838:                # the head A.B .
                   1839:                #
1.45.2.46  knu      1840:                # This reasoning also applies to the main branch A.B,
                   1841:                # with the branch number 0.A, with the exception that
                   1842:                # it has no head to translate to if there is nothing on
                   1843:                # the branch, but I guess this can never happen?
                   1844:                # (the code below gracefully forgets about the branch
                   1845:                # if it should happen)
                   1846:                #
                   1847:                $head = defined($2) ? $2 : "";
1.1       jfieber  1848:                $branch = $3;
1.45.2.46  knu      1849:                $branchrev = $head . ($head ne "" ? "." : "") . $branch;
                   1850:                my $regex;
                   1851:                ($regex = $branchrev) =~ s/\./\\./g;
1.1       jfieber  1852:                $rev = $head;
                   1853:
                   1854:                revision:
1.45.2.46  knu      1855:                foreach my $r (@revorder) {
                   1856:                    if ($r =~ /^${regex}\b/) {
                   1857:                        $rev = $branchrev;
1.1       jfieber  1858:                        last revision;
                   1859:                    }
                   1860:                }
1.45.2.46  knu      1861:                next if ($rev eq "");
                   1862:                if ($rev ne $head && $head ne "") {
1.8       fenner   1863:                    $branchpoint{$head} .= ", " if ($branchpoint{$head});
                   1864:                    $branchpoint{$head} .= $_;
                   1865:                }
1.1       jfieber  1866:            }
1.45.2.46  knu      1867:            $revsym{$rev} .= ", " if ($revsym{$rev});
                   1868:            $revsym{$rev} .= $_;
1.1       jfieber  1869:            $sel .= "<OPTION VALUE=\"${rev}:${_}\">$_\n";
                   1870:        }
                   1871:        print "Done associating revisions with branches\n" if ($verbose);
1.45.2.46  knu      1872:
                   1873:        my ($onlyonbranch, $onlybranchpoint);
                   1874:        if ($onlyonbranch = $input{'only_with_tag'}) {
                   1875:            $onlyonbranch = $symrev{$onlyonbranch};
                   1876:            if ($onlyonbranch =~ s/\b0\.//) {
                   1877:                ($onlybranchpoint = $onlyonbranch) =~ s/\.\d+$//;
                   1878:            }
                   1879:             else {
                   1880:                $onlybranchpoint = $onlyonbranch;
                   1881:            }
                   1882:            if (!defined($onlyonbranch) || $onlybranchpoint eq "") {
                   1883:                fatal("404 Tag not found","Tag $input{'only_with_tag'} not defined");
                   1884:            }
1.8       fenner   1885:        }
1.1       jfieber  1886:
1.45.2.46  knu      1887:        undef @revisions;
                   1888:
                   1889:        foreach (@allrevisions) {
1.7       fenner   1890:            ($br = $_) =~ s/\.\d+$//;
1.45.2.46  knu      1891:            ($brp = $br) =~ s/\.\d+$//;
1.7       fenner   1892:            next if ($onlyonbranch && $br ne $onlyonbranch &&
1.45.2.46  knu      1893:                                        $_ ne $onlybranchpoint);
                   1894:            unshift(@revisions,$_);
                   1895:        }
                   1896:
                   1897:        if ($logsort eq "date") {
                   1898:            # Sort the revisions in commit order an secondary sort on revision
                   1899:            # (secondary sort needed for imported sources, or the first main
                   1900:            # revision gets before the same revision on the 1.1.1 branch)
                   1901:            @revdisplayorder = sort {$date{$b} <=> $date{$a} || -revcmp($a, $b)} @revisions;
                   1902:        }
                   1903:         elsif ($logsort eq "rev") {
                   1904:            # Sort the revisions in revision order, highest first
                   1905:            @revdisplayorder = reverse sort {revcmp($a,$b)} @revisions;
                   1906:        }
                   1907:         else {
                   1908:            # No sorting. Present in the same order as rlog / cvs log
                   1909:            @revdisplayorder = @revisions;
                   1910:        }
                   1911:
                   1912: }
                   1913:
                   1914: sub printLog($;$) {
                   1915:        my ($link, $br, $brp);
                   1916:        ($_,$link) = @_;
                   1917:        ($br = $_) =~ s/\.\d+$//;
                   1918:        ($brp = $br) =~ s/\.?\d+$//;
                   1919:        my ($isDead, $prev);
                   1920:
                   1921:        $link = 1 if (!defined($link));
                   1922:        $isDead = ($state{$_} eq "dead");
                   1923:
                   1924:        if ($link && !$isDead) {
                   1925:            my ($filename);
                   1926:            ($filename = $where) =~ s/^.*\///;
                   1927:            my ($fileurl) = urlencode($filename);
1.4       fenner   1928:            print "<a NAME=\"rev$_\"></a>";
1.45.2.46  knu      1929:            if (defined($revsym{$_})) {
                   1930:                foreach my $sym (split(", ", $revsym{$_})) {
                   1931:                    print "<a NAME=\"$sym\"></a>";
                   1932:                }
1.4       fenner   1933:            }
1.45.2.46  knu      1934:            if (defined($revsym{$br}) && $revsym{$br} && !defined($nameprinted{$br})) {
                   1935:                foreach my $sym (split(", ", $revsym{$br})) {
1.4       fenner   1936:                    print "<a NAME=\"$sym\"></a>";
                   1937:                }
1.45.2.46  knu      1938:                $nameprinted{$br} = 1;
1.4       fenner   1939:            }
1.45.2.46  knu      1940:            print "\n Revision ";
                   1941:            &download_link($fileurl, $_, $_,
                   1942:                $defaultViewable ? "text/x-cvsweb-markup" : undef);
                   1943:            if ($defaultViewable) {
                   1944:                print " / ";
                   1945:                &download_link($fileurl, $_, "(download)", $mimetype);
                   1946:            }
                   1947:            if (not $defaultTextPlain) {
                   1948:                print " / ";
1.45.2.47  knu      1949:                &download_link($fileurl, $_, "(as text)",
1.45.2.46  knu      1950:                           "text/plain");
                   1951:            }
                   1952:            if (!$defaultViewable) {
                   1953:                print " / ";
                   1954:                &download_link($fileurl, $_, "(view)", "text/x-cvsweb-markup");
                   1955:            }
                   1956:            if ($allow_annotate) {
                   1957:                print " - <a href=\"" . $scriptname . "/" . urlencode($where) . "?annotate=$_$barequery\">";
                   1958:                print "annotate</a>";
                   1959:            }
                   1960:            # Plus a select link if enabled, and this version isn't selected
                   1961:            if ($allow_version_select) {
                   1962:                if ((!defined($input{"r1"}) || $input{"r1"} ne $_)) {
                   1963:                    print " - <A HREF=\"${scriptwhere}?r1=$_$barequery" .
                   1964:                        "\">[select for diffs]</A>\n";
                   1965:                }
                   1966:                else {
                   1967:                    print " - <b>[selected]</b>";
                   1968:                }
                   1969:            }
                   1970:        }
                   1971:        else {
                   1972:            print "Revision <B>$_</B>";
                   1973:        }
                   1974:        if (/^1\.1\.1\.\d+$/) {
                   1975:            print " <i>(vendor branch)</i>";
                   1976:        }
                   1977:        if (defined @mytz) {
                   1978:            my ($est) = $mytz[(localtime($date{$_}))[8]];
                   1979:            print ", <i>" . scalar localtime($date{$_}) . " $est</i> (";
                   1980:        } else {
                   1981:            print ", <i>" . scalar gmtime($date{$_}) . " UTC</i> (";
                   1982:        }
                   1983:        print readableTime(time() - $date{$_},1) . " ago)";
                   1984:        print " by ";
                   1985:        print "<i>" . $author{$_} . "</i>\n";
                   1986:        print "<BR>Branch: <b>",$link?link_tags($revsym{$br}):$revsym{$br},"</b>\n"
                   1987:            if ($revsym{$br});
                   1988:        print "<BR>CVS Tags: <b>",$link?link_tags($revsym{$_}):$revsym{$_},"</b>"
                   1989:            if ($revsym{$_});
                   1990:        print "<BR>Branch point for: <b>",$link?link_tags($branchpoint{$_}):$branchpoint{$_},"</b>\n"
                   1991:            if ($branchpoint{$_});
                   1992:        # Find the previous revision
                   1993:        my @prevrev = split(/\./, $_);
                   1994:        do {
                   1995:            if (--$prevrev[$#prevrev] <= 0) {
1.1       jfieber  1996:                # If it was X.Y.Z.1, just make it X.Y
1.45.2.46  knu      1997:                pop(@prevrev);
                   1998:                pop(@prevrev);
                   1999:            }
                   2000:            $prev = join(".", @prevrev);
                   2001:        } until (defined($date{$prev}) || $prev eq "");
                   2002:        if ($prev ne "") {
                   2003:            if ($difflines{$_}) {
                   2004:                print "<BR>Changes since <b>$prev: $difflines{$_} lines</b>";
                   2005:            }
                   2006:        }
                   2007:        if ($isDead) {
                   2008:            print "<BR><B><I>FILE REMOVED</I></B>\n";
                   2009:        }
                   2010:        elsif ($link) {
                   2011:            my %diffrev = ();
                   2012:            $diffrev{$_} = 1;
                   2013:            $diffrev{""} = 1;
                   2014:            print "<BR>Diff";
                   2015:            #
                   2016:            # Offer diff to previous revision
                   2017:            if ($prev) {
                   2018:                $diffrev{$prev} = 1;
                   2019:                print " to previous <A HREF=\"${scriptwhere}.diff?r1=$prev";
                   2020:                print "&amp;r2=$_" . $barequery . "\">$prev</A>\n";
                   2021:                if (!$hr_default) { # offer a human readable version if not default
                   2022:                    print "(<A HREF=\"${scriptwhere}.diff?r1=$prev";
                   2023:                    print "&amp;r2=$_" . $barequery . "&amp;f=h\">colored</A>)\n";
1.1       jfieber  2024:                }
                   2025:            }
1.45.2.46  knu      2026:            #
                   2027:            # Plus, if it's on a branch, and it's not a vendor branch,
                   2028:            # offer a diff with the branch point.
                   2029:            if ($revsym{$brp} && !/^1\.1\.1\.\d+$/ && !defined($diffrev{$brp})) {
                   2030:                print " to branchpoint <A HREF=\"${scriptwhere}.diff?r1=$brp";
                   2031:                print "&amp;r2=$_" . $barequery . "\">$brp</A>\n";
                   2032:                if (!$hr_default) { # offer a human readable version if not default
                   2033:                print "(<A HREF=\"${scriptwhere}.diff?r1=$brp";
                   2034:                print "&amp;r2=$_" . $barequery . "&amp;f=h\">colored</A>)\n";
                   2035:                }
                   2036:            }
                   2037:            #
                   2038:            # Plus, if it's on a branch, and it's not a vendor branch,
                   2039:            # offer to diff with the next revision of the higher branch.
                   2040:            # (e.g. change gets committed and then brought
                   2041:            # over to -stable)
                   2042:            if (/^\d+\.\d+\.\d+/ && !/^1\.1\.1\.\d+$/) {
                   2043:                my ($i,$nextmain);
                   2044:                for ($i = 0; $i < $#revorder && $revorder[$i] ne $_; $i++){}
                   2045:                my (@tmp2) = split(/\./, $_);
                   2046:                for ($nextmain = ""; $i > 0; $i--) {
                   2047:                    my ($next) = $revorder[$i-1];
                   2048:                    my (@tmp1) = split(/\./, $next);
1.1       jfieber  2049:                    if ($#tmp1 < $#tmp2) {
1.45.2.46  knu      2050:                        $nextmain = $next;
                   2051:                        last;
                   2052:                    }
                   2053:                    # Only the highest version on a branch should have
                   2054:                    # a diff for the "next main".
                   2055:                    last if (join(".",@tmp1[0..$#tmp1-1])
                   2056:                             eq join(".",@tmp2[0..$#tmp1-1]));
                   2057:                }
                   2058:                if (!defined($diffrev{$nextmain})) {
                   2059:                    $diffrev{$nextmain} = 1;
                   2060:                    print " next main <A HREF=\"${scriptwhere}.diff?r1=$nextmain";
                   2061:                    print "&amp;r2=$_" . $barequery .
                   2062:                        "\">$nextmain</A>\n";
                   2063:                    if (!$hr_default) { # offer a human readable version if not default
                   2064:                        print "(<A HREF=\"${scriptwhere}.diff?r1=$nextmain";
                   2065:                        print "&amp;r2=$_" . $barequery .
                   2066:                            "&amp;f=h\">colored</A>)\n";
1.1       jfieber  2067:                    }
                   2068:                }
                   2069:            }
1.45.2.46  knu      2070:            # Plus if user has selected only r1, then present a link
                   2071:            # to make a diff to that revision
                   2072:            if (defined($input{"r1"}) && !defined($diffrev{$input{"r1"}})) {
                   2073:                $diffrev{$input{"r1"}} = 1;
                   2074:                print " to selected <A HREF=\"${scriptwhere}.diff?"
                   2075:                        . "r1=$input{'r1'}&amp;r2=$_" . $barequery
                   2076:                        . "\">$input{'r1'}</A>\n";
                   2077:                if (!$hr_default) { # offer a human readable version if not default
                   2078:                    print "(<A HREF=\"${scriptwhere}.diff?r1=$input{'r1'}";
                   2079:                    print "&amp;r2=$_" . $barequery .
                   2080:                        "&amp;f=h\">colored</A>)\n";
                   2081:
                   2082:                }
1.9       fenner   2083:            }
1.1       jfieber  2084:        }
1.45.2.46  knu      2085:        print "<PRE>\n";
                   2086:        print &htmlify($log{$_}, 1);
                   2087:        print "</PRE>\n";
                   2088: }
                   2089:
1.45.2.47  knu      2090: sub doLog($) {
1.45.2.46  knu      2091:        my($fullname) = @_;
                   2092:        my ($diffrev, $upwhere, $filename, $backurl);
1.45.2.47  knu      2093:
1.45.2.46  knu      2094:        readLog($fullname);
                   2095:
                   2096:         html_header("CVS log for $where");
                   2097:        ($upwhere = $where) =~ s|(Attic/)?[^/]+$||;
                   2098:         ($filename = $where) =~ s|^.*/||;
                   2099:         $backurl = $scriptname . "/" . urlencode($upwhere) . $query;
                   2100:        print &link($backicon, "$backurl#$filename"),
                   2101:               " <b>Up to ", &clickablePath($upwhere, 1), "</b><p>\n";
                   2102:        print <<EOF;
                   2103: <A HREF="#diff">Request diff between arbitrary revisions</A>
                   2104: <HR NOSHADE>
                   2105: EOF
                   2106:        if ($curbranch) {
                   2107:            print "Default branch: ", ($revsym{$curbranch} || $curbranch);
                   2108:        }
                   2109:        else {
                   2110:            print "No default branch";
                   2111:        }
                   2112:        print "<BR>\n";
                   2113:        if ($input{only_with_tag}) {
                   2114:            print "Current tag: $input{only_with_tag}<BR>\n";
                   2115:        }
                   2116:
                   2117:        undef %nameprinted;
                   2118:
                   2119:        for (my $i = 0; $i <= $#revdisplayorder; $i++) {
                   2120:            print "<HR size=1 NOSHADE>";
                   2121:            printLog($revdisplayorder[$i]);
                   2122:        }
                   2123:
                   2124:         print "<HR NOSHADE>";
1.1       jfieber  2125:        print "<A NAME=diff>\n";
                   2126:        print "This form allows you to request diff's between any two\n";
                   2127:        print "revisions of a file.  You may select a symbolic revision\n";
                   2128:        print "name using the selection box or you may type in a numeric\n";
                   2129:        print "name using the type-in text box.\n";
                   2130:        print "</A><P>\n";
1.45.2.46  knu      2131:        print "<FORM METHOD=\"GET\" ACTION=\"${scriptwhere}.diff\" NAME=\"diff_select\">\n";
                   2132:         foreach (@stickyvars) {
                   2133:            print "<INPUT TYPE=HIDDEN NAME=\"$_\" VALUE=\"$input{$_}\">\n"
                   2134:                if (defined($input{$_})
                   2135:                    && ($input{$_} ne $DEFAULTVALUE{$_} && $input{$_} ne ""));
                   2136:        }
1.1       jfieber  2137:        print "Diffs between \n";
                   2138:        print "<SELECT NAME=\"r1\">\n";
                   2139:        print "<OPTION VALUE=\"text\" SELECTED>Use Text Field\n";
                   2140:        print $sel;
                   2141:        print "</SELECT>\n";
1.45.2.46  knu      2142:        $diffrev = $revdisplayorder[$#revdisplayorder];
                   2143:        $diffrev = $input{"r1"} if (defined($input{"r1"}));
                   2144:        print "<INPUT TYPE=\"TEXT\" SIZE=\"$inputTextSize\" NAME=\"tr1\" VALUE=\"$diffrev\" onChange='document.diff_select.r1.selectedIndex=0'>\n";
1.1       jfieber  2145:        print " and \n";
                   2146:        print "<SELECT NAME=\"r2\">\n";
                   2147:        print "<OPTION VALUE=\"text\" SELECTED>Use Text Field\n";
                   2148:        print $sel;
                   2149:        print "</SELECT>\n";
1.45.2.46  knu      2150:        $diffrev = $revdisplayorder[0];
                   2151:        $diffrev = $input{"r2"} if (defined($input{"r2"}));
1.45.2.48  knu      2152:        print "<INPUT TYPE=\"TEXT\" SIZE=\"$inputTextSize\" NAME=\"tr2\" VALUE=\"$diffrev\" onChange='document.diff_select.r2.selectedIndex=0'>\n";
1.45.2.46  knu      2153:         print "<BR>Type of Diff should be a&nbsp;";
1.45.2.47  knu      2154:        printDiffSelect(0);
1.45.2.46  knu      2155:        print "<INPUT TYPE=SUBMIT VALUE=\"  Get Diffs  \">\n";
1.1       jfieber  2156:        print "</FORM>\n";
1.7       fenner   2157:        print "<HR noshade>\n";
1.45.2.46  knu      2158:         if (@branchnames) {
                   2159:            print "<A name=branch></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 "View only Branch: \n";
                   2169:            print "<SELECT NAME=\"only_with_tag\"";
                   2170:            print " onchange=\"submit()\"" if ($use_java_script);
                   2171:            print ">\n";
                   2172:            print "<OPTION VALUE=\"\"";
                   2173:            print " SELECTED" if (defined($input{"only_with_tag"}) &&
                   2174:                $input{"only_with_tag"} eq "");
                   2175:            print ">Show all branches\n";
                   2176:            foreach (reverse sort @branchnames) {
1.9       fenner   2177:                print "<OPTION";
1.45.2.46  knu      2178:                print " SELECTED" if (defined($input{"only_with_tag"})
                   2179:                        && $input{"only_with_tag"} eq $_);
1.9       fenner   2180:                print ">${_}\n";
1.45.2.46  knu      2181:            }
                   2182:            print "</SELECT>\n";
                   2183:            print "<INPUT TYPE=SUBMIT VALUE=\"  View Branch  \">\n";
                   2184:            print "</FORM>\n";
1.7       fenner   2185:        }
1.45.2.46  knu      2186:        print "<A name=logsort></A>\n";
                   2187:        print "<FORM METHOD=\"GET\" ACTION=\"$scriptwhere\">\n";
                   2188:        foreach (@stickyvars) {
                   2189:            next if ($_ eq "only_with_tag");
                   2190:            next if ($_ eq "logsort");
                   2191:            print "<INPUT TYPE=HIDDEN NAME=\"$_\" VALUE=\"$input{$_}\">\n"
                   2192:                if (defined($input{$_}) && $input{$_} ne $DEFAULTVALUE{$_}
                   2193:                    && $input{$_} ne "");
                   2194:        }
                   2195:        print "Sort log by: \n";
                   2196:        print "<SELECT NAME=\"logsort\"";
                   2197:        print " onchange=\"submit()\"" if ($use_java_script);
                   2198:        print ">\n";
                   2199:        print "<OPTION VALUE=cvs",$logsort eq "cvs" ? " SELECTED" : "", ">Not sorted";
                   2200:        print "<OPTION VALUE=date",$logsort eq "date" ? " SELECTED" : "", ">Commit date";
                   2201:        print "<OPTION VALUE=rev",$logsort eq "rev" ? " SELECTED" : "", ">Revision";
1.7       fenner   2202:        print "</SELECT>\n";
1.45.2.46  knu      2203:        print "<INPUT TYPE=SUBMIT VALUE=\"  Sort  \">\n";
1.7       fenner   2204:        print "</FORM>\n";
1.2       jfieber  2205:         print &html_footer;
1.1       jfieber  2206:        print "</BODY></HTML>\n";
1.10      wosch    2207: }
                   2208:
1.45.2.47  knu      2209: sub flush_diff_rows($$$$) {
1.45.2.46  knu      2210:     my $j;
                   2211:     my ($leftColRef,$rightColRef,$leftRow,$rightRow) = @_;
                   2212:     if ($state eq "PreChangeRemove") {          # we just got remove-lines before
                   2213:       for ($j = 0 ; $j < $leftRow; $j++) {
                   2214:           print  "<tr><td bgcolor=\"$diffcolorRemove\">@$leftColRef[$j]</td>";
                   2215:           print  "<td bgcolor=\"$diffcolorEmpty\">&nbsp;</td></tr>\n";
                   2216:       }
                   2217:     }
                   2218:     elsif ($state eq "PreChange") {             # state eq "PreChange"
                   2219:       # we got removes with subsequent adds
                   2220:       for ($j = 0; $j < $leftRow || $j < $rightRow ; $j++) {  # dump out both cols
                   2221:           print  "<tr>";
                   2222:           if ($j < $leftRow) {
                   2223:              print  "<td bgcolor=\"$diffcolorChange\">@$leftColRef[$j]</td>";
                   2224:          }
                   2225:           else {
                   2226:              print  "<td bgcolor=\"$diffcolorDarkChange\">&nbsp;</td>";
                   2227:          }
                   2228:           if ($j < $rightRow) {
                   2229:              print  "<td bgcolor=\"$diffcolorChange\">@$rightColRef[$j]</td>";
                   2230:          }
                   2231:           else {
                   2232:              print  "<td bgcolor=\"$diffcolorDarkChange\">&nbsp;</td>";
                   2233:          }
                   2234:           print  "</tr>\n";
                   2235:       }
                   2236:     }
                   2237: }
                   2238:
                   2239: ##
                   2240: # Function to generate Human readable diff-files
                   2241: # human_readable_diff(String revision_to_return_to);
                   2242: ##
                   2243: sub human_readable_diff($){
                   2244:   my ($i,$difftxt, $where_nd, $filename, $pathname, $scriptwhere_nd);
                   2245:   my ($fh, $rev) = @_;
                   2246:   my ($date1, $date2, $r1d, $r2d, $r1r, $r2r, $rev1, $rev2, $sym1, $sym2);
                   2247:   my (@rightCol, @leftCol);
                   2248:
                   2249:   ($where_nd = $where) =~ s/.diff$//;
                   2250:   ($filename = $where_nd) =~ s/^.*\///;
                   2251:   ($pathname = $where_nd) =~ s/(Attic\/)?[^\/]*$//;
                   2252:   ($scriptwhere_nd = $scriptwhere) =~ s/.diff$//;
                   2253:
1.45.2.47  knu      2254:   navigateHeader($scriptwhere_nd, $pathname, $filename, $rev, "diff");
1.45.2.46  knu      2255:
                   2256:   # Read header to pick up read revision and date, if possible
                   2257:   while (<$fh>) {
                   2258:       ($r1d,$r1r) = /\t(.*)\t(.*)$/ if (/^--- /);
                   2259:       ($r2d,$r2r) = /\t(.*)\t(.*)$/ if (/^\+\+\+ /);
                   2260:       last if (/^\+\+\+ /);
                   2261:   }
                   2262:   if (defined($r1r) && $r1r =~ /^(\d+\.)+\d+$/) {
                   2263:     $rev1 = $r1r;
                   2264:     $date1 = $r1d;
                   2265:   }
                   2266:   if (defined($r2r) && $r2r =~ /^(\d+\.)+\d+$/) {
                   2267:     $rev2 = $r2r;
                   2268:     $date2 = $r2d;
                   2269:   }
1.45.2.47  knu      2270:
1.45.2.46  knu      2271:   print "<h3 align=center>Diff for /$where_nd between version $rev1 and $rev2</h3>\n";
                   2272:
                   2273:   print "<table border=0 cellspacing=0 cellpadding=0 width=\"100%\">\n";
                   2274:   print "<tr bgcolor=\"#ffffff\">\n";
                   2275:   print "<th width=\"50%\" valign=TOP>";
                   2276:   print "version $rev1";
                   2277:   print ", $date1" if (defined($date1));
                   2278:   print "<br>Tag: $sym1\n" if ($sym1);
                   2279:   print "</th>\n";
                   2280:   print "<th width=\"50%\" valign=TOP>";
                   2281:   print "version $rev2";
                   2282:   print ", $date2" if (defined($date2));
                   2283:   print "<br>Tag: $sym2\n" if ($sym1);
                   2284:   print "</th>\n";
                   2285:
                   2286:   my $fs = "<font face=\"$difffontface\" size=\"$difffontsize\">";
                   2287:   my $fe = "</font>";
                   2288:
                   2289:   my $leftRow = 0;
                   2290:   my $rightRow = 0;
                   2291:   my ($oldline, $newline, $funname, $diffcode, $rest);
                   2292:
                   2293:   # Process diff text
                   2294:   # The diffrows are could make excellent use of
                   2295:   # cascading style sheets because we've to set the
                   2296:   # font and color for each row. anyone ...?
                   2297:   ####
                   2298:   while (<$fh>) {
                   2299:       $difftxt = $_;
1.45.2.47  knu      2300:
1.45.2.46  knu      2301:       if ($difftxt =~ /^@@/) {
                   2302:          ($oldline,$newline,$funname) = $difftxt =~ /@@ \-([0-9]+).*\+([0-9]+).*@@(.*)/;
                   2303:           print  "<tr bgcolor=\"$diffcolorHeading\"><td width=\"50%\">";
                   2304:          print  "<table width=\"100%\" border=1 cellpadding=5><tr><td><b>Line $oldline</b>";
                   2305:          print  "&nbsp;<font size=-1>$funname</font></td></tr></table>";
                   2306:           print  "</td><td width=\"50%\">";
                   2307:          print  "<table width=\"100%\" border=1 cellpadding=5><tr><td><b>Line $newline</b>";
                   2308:          print  "&nbsp;<font size=-1>$funname</font></td></tr></table>";
                   2309:          print  "</td>\n";
                   2310:          $state = "dump";
                   2311:          $leftRow = 0;
                   2312:          $rightRow = 0;
                   2313:       }
                   2314:       else {
                   2315:          ($diffcode,$rest) = $difftxt =~ /^([-+ ])(.*)/;
                   2316:          $_ = spacedHtmlText ($rest);
                   2317:
                   2318:          # Add fontface, size
                   2319:          $_ = "$fs&nbsp;$_$fe";
1.45.2.47  knu      2320:
1.45.2.46  knu      2321:          #########
                   2322:          # little state machine to parse unified-diff output (Hen, zeller@think.de)
                   2323:          # in order to get some nice 'ediff'-mode output
                   2324:          # states:
                   2325:          #  "dump"             - just dump the value
                   2326:          #  "PreChangeRemove"  - we began with '-' .. so this could be the start of a 'change' area or just remove
                   2327:          #  "PreChange"        - okey, we got several '-' lines and moved to '+' lines -> this is a change block
                   2328:          ##########
                   2329:
                   2330:          if ($diffcode eq '+') {
                   2331:              if ($state eq "dump") {  # 'change' never begins with '+': just dump out value
                   2332:                  print  "<tr><td bgcolor=\"$diffcolorEmpty\">&nbsp;</td><td bgcolor=\"$diffcolorAdd\">$_</td></tr>\n";
                   2333:              }
                   2334:              else {                   # we got minus before
                   2335:                  $state = "PreChange";
                   2336:                  $rightCol[$rightRow++] = $_;
                   2337:              }
1.45.2.47  knu      2338:          }
1.45.2.46  knu      2339:          elsif ($diffcode eq '-') {
                   2340:              $state = "PreChangeRemove";
                   2341:              $leftCol[$leftRow++] = $_;
                   2342:         }
                   2343:         else {  # empty diffcode
                   2344:             flush_diff_rows \@leftCol, \@rightCol, $leftRow, $rightRow;
                   2345:              print  "<tr><td>$_</td><td>$_</td></tr>\n";
                   2346:              $state = "dump";
                   2347:              $leftRow = 0;
                   2348:              $rightRow = 0;
                   2349:          }
                   2350:       }
                   2351:   }
                   2352:   flush_diff_rows \@leftCol, \@rightCol, $leftRow, $rightRow;
                   2353:
                   2354:   # state is empty if we didn't have any change
                   2355:   if (!$state) {
                   2356:       print "<tr><td colspan=2>&nbsp;</td></tr>";
                   2357:       print "<tr bgcolor=\"$diffcolorEmpty\" >";
                   2358:       print "<td colspan=2 align=center><b>- No viewable Change -</b></td></tr>";
                   2359:   }
                   2360:   print  "</table>";
                   2361:   close($fh);
                   2362:
                   2363:   print "<br><hr noshade width=\"100%\">\n";
                   2364:
                   2365:   print "<table border=0>";
                   2366:
                   2367:   print "<tr><td>";
                   2368:   # print legend
                   2369:   print "<table border=1><tr><td>";
                   2370:   print  "Legend:<br><table border=0 cellspacing=0 cellpadding=1>\n";
                   2371:   print  "<tr><td align=center bgcolor=\"$diffcolorRemove\">Removed from v.$rev1</td><td bgcolor=\"$diffcolorEmpty\">&nbsp;</td></tr>";
                   2372:   print  "<tr bgcolor=\"$diffcolorChange\"><td align=center colspan=2>changed lines</td></tr>";
                   2373:   print  "<tr><td bgcolor=\"$diffcolorEmpty\">&nbsp;</td><td align=center bgcolor=\"$diffcolorAdd\">Added in v.$rev2</td></tr>";
                   2374:   print  "</table></td></tr></table>\n";
                   2375:
                   2376:   print "<td>";
                   2377:   # Print format selector
                   2378:   print "<FORM METHOD=\"GET\" ACTION=\"${scriptwhere}\">\n";
                   2379:   foreach my $var (keys %input) {
                   2380:     next if ($var eq "f");
                   2381:     next if (defined($DEFAULTVALUE{$var})
                   2382:             && $DEFAULTVALUE{$var} eq $input{$var});
                   2383:     print "<INPUT TYPE=HIDDEN NAME=\"",urlencode($var),"\" VALUE=\"",
                   2384:            urlencode($input{$var}),"\">\n";
                   2385:   }
                   2386:   printDiffSelect($use_java_script);
                   2387:   print "<INPUT TYPE=SUBMIT VALUE=\"Show\">\n";
                   2388:   print "</FORM>\n";
                   2389:   print "</td>";
                   2390:
                   2391:   print "</tr></table>";
                   2392: }
                   2393:
1.45.2.47  knu      2394: sub navigateHeader($$$$$) {
1.45.2.46  knu      2395:     my ($swhere,$path,$filename,$rev,$title) = @_;
                   2396:     $swhere = "" if ($swhere eq $scriptwhere);
                   2397:     $swhere = urlencode($filename) if ($swhere eq "");
                   2398:     print "<\!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.0 Transitional//EN\">";
                   2399:     print "<HTML>\n<HEAD>\n";
1.45.2.49! knu      2400:     print '<!-- CVSweb $zRevision: 1.94 $  $kRevision: 1.17 $ -->';
1.45.2.46  knu      2401:     print "\n<TITLE>$path$filename - $title - $rev</TITLE></HEAD>\n";
                   2402:     print  "<BODY BGCOLOR=\"$backcolor\">\n";
                   2403:     print "<table width=\"100%\" border=0 cellspacing=0 cellpadding=1 bgcolor=\"$navigationHeaderColor\">";
                   2404:     print "<tr valign=bottom><td>";
                   2405:     print  "<a href=\"$swhere$query#rev$rev\">$backicon";
                   2406:     print "</a> <b>Return to ", &link("$filename","$swhere$query#rev$rev")," CVS log";
                   2407:     print "</b> $fileicon</td>";
1.45.2.47  knu      2408:
1.45.2.46  knu      2409:     print "<td align=right>$diricon <b>Up to ", &clickablePath($path, 1), "</b></td>";
                   2410:     print "</tr></table>";
                   2411: }
                   2412:
1.45.2.47  knu      2413: sub plural_write($$) {
1.45.2.46  knu      2414:     my ($num,$text) = @_;
                   2415:     if ($num != 1) {
                   2416:        $text = $text . "s";
                   2417:     }
                   2418:     if ($num > 0) {
                   2419:        return $num . " " . $text;
                   2420:     }
                   2421:     else {
                   2422:        return "";
                   2423:     }
                   2424: }
                   2425:
                   2426: ##
                   2427: # print readable timestamp in terms of
                   2428: # '..time ago'
                   2429: # H. Zeller <zeller@think.de>
                   2430: ##
1.45.2.47  knu      2431: sub readableTime($$) {
1.45.2.46  knu      2432:     my ($i, $break, $retval);
                   2433:     my ($secs,$long) = @_;
                   2434:
                   2435:     # this function works correct for time >= 2 seconds
                   2436:     if ($secs < 2) {
                   2437:        return "very little time";
                   2438:     }
                   2439:
                   2440:     my %desc = (1 , 'second',
                   2441:                   60, 'minute',
                   2442:                   3600, 'hour',
                   2443:                   86400, 'day',
                   2444:                   604800, 'week',
                   2445:                   2628000, 'month',
                   2446:                   31536000, 'year');
                   2447:     my @breaks = sort {$a <=> $b} keys %desc;
                   2448:     $i = 0;
1.45.2.47  knu      2449:     while ($i <= $#breaks && $secs >= 2 * $breaks[$i]) {
1.45.2.46  knu      2450:        $i++;
                   2451:     }
                   2452:     $i--;
                   2453:     $break = $breaks[$i];
                   2454:     $retval = plural_write(int ($secs / $break), $desc{$break});
                   2455:
                   2456:     if ($long == 1 && $i > 0) {
                   2457:        my $rest = $secs % $break;
                   2458:        $i--;
                   2459:        $break = $breaks[$i];
1.45.2.47  knu      2460:        my $resttime = plural_write(int ($rest / $break),
1.45.2.46  knu      2461:                                $desc{$break});
                   2462:        if ($resttime) {
                   2463:            $retval = $retval . ", " . $resttime;
                   2464:        }
                   2465:     }
                   2466:
                   2467:     return $retval;
                   2468: }
                   2469:
                   2470: ##
                   2471: # clickablePath(String pathname, boolean last_item_clickable)
                   2472: #
                   2473: # returns a html-ified path whereas each directory is a link for
                   2474: # faster navigation. last_item_clickable controls whether the
                   2475: # basename (last directory/file) is a link as well
                   2476: ##
                   2477: sub clickablePath($$) {
1.45.2.47  knu      2478:     my ($pathname,$clickLast) = @_;
1.45.2.46  knu      2479:     my $retval = '';
1.45.2.47  knu      2480:
1.45.2.46  knu      2481:     if ($pathname eq '/') {
                   2482:        # this should never happen - chooseCVSRoot() is
                   2483:        # intended to do this
                   2484:        $retval = "[$cvstree]";
                   2485:     }
                   2486:     else {
                   2487:        $retval = $retval . " <a href=\"${scriptname}/${query}#dirlist\">[$cvstree]</a>";
                   2488:        my $wherepath = '';
                   2489:        my ($lastslash) = $pathname =~ m|/$|;
                   2490:        foreach (split(/\//, $pathname)) {
                   2491:            $retval = $retval . " / ";
                   2492:            $wherepath = $wherepath . '/' . $_;
                   2493:            my ($last) = "$wherepath/" eq "/$pathname"
                   2494:                || $wherepath eq "/$pathname";
                   2495:            if ($clickLast || !$last) {
                   2496:                $retval = $retval . "<a href=\"${scriptname}"
                   2497:                    . urlencode($wherepath)
                   2498:                    . (!$last || $lastslash ? '/' : '')
                   2499:                    . ${query}
                   2500:                    . (!$last || $lastslash ? "#dirlist" : "")
                   2501:                    . "\">$_</a>";
                   2502:            }
                   2503:            else { # do not make a link to the current dir
                   2504:                $retval = $retval .  $_;
                   2505:            }
                   2506:        }
                   2507:     }
                   2508:     return $retval;
                   2509: }
                   2510:
                   2511: sub chooseCVSRoot() {
                   2512:     my @foo;
                   2513:     foreach (sort keys %CVSROOT) {
                   2514:        if (-d $CVSROOT{$_}) {
                   2515:            push(@foo, $_);
                   2516:        }
                   2517:     }
                   2518:     if (@foo > 1) {
                   2519:        my ($k);
                   2520:        print "<form method=\"GET\" action=\"${scriptwhere}\">\n";
                   2521:        foreach $k (keys %input) {
1.45.2.47  knu      2522:            print "<input type=hidden NAME=$k VALUE=$input{$k}>\n"
1.45.2.46  knu      2523:                if ($input{$k}) && ($k ne "cvsroot");
                   2524:        }
                   2525:        # Form-Elements look wierd in Netscape if the background
                   2526:        # isn't gray and the form elements are not placed
                   2527:        # within a table ...
                   2528:        print "<table><tr>";
                   2529:        print "<td>CVS Root:</td>";
                   2530:        print "<td>\n<select name=\"cvsroot\"";
                   2531:        print " onchange=\"submit()\"" if ($use_java_script);
                   2532:        print ">\n";
                   2533:        foreach $k (@foo) {
                   2534:            print "<option value=\"$k\"";
                   2535:            print " selected" if ($k eq $cvstree);
                   2536:            print ">" . ($CVSROOTdescr{$k} ? $CVSROOTdescr{$k} :
                   2537:                        $k). "</option>\n";
                   2538:        }
                   2539:        print "</select>\n</td>";
                   2540:        print "<td><input type=submit value=\"Go\"></td>";
                   2541:        print "</tr></table></form>";
                   2542:     }
                   2543:     else {
                   2544:        # no choice ..
                   2545:        print "CVS Root: <b>[$cvstree]</b>";
                   2546:     }
                   2547: }
                   2548:
                   2549: sub chooseMirror() {
                   2550:     my ($mirror,$moremirrors);
                   2551:     $moremirrors = 0;
                   2552:     # This code comes from the original BSD-cvsweb
                   2553:     # and may not be useful for your site; If you don't
                   2554:     # set %MIRRORS this won't show up, anyway
                   2555:     #
1.45.2.47  knu      2556:     # Should perhaps exlude the current site somehow..
1.45.2.46  knu      2557:     if (keys %MIRRORS) {
                   2558:        print "\nThis cvsweb is mirrored in:\n";
                   2559:        foreach $mirror (keys %MIRRORS) {
                   2560:            print ", " if ($moremirrors);
                   2561:            print qq(<a href="$MIRRORS{$mirror}">$mirror</A>\n);
                   2562:            $moremirrors = 1;
                   2563:        }
                   2564:        print "<p>\n";
                   2565:     }
                   2566: }
                   2567:
1.45.2.47  knu      2568: sub fileSortCmp() {
1.45.2.46  knu      2569:     my ($comp) = 0;
                   2570:     my ($c,$d,$af,$bf);
                   2571:
                   2572:     ($af = $a) =~ s/,v$//;
                   2573:     ($bf = $b) =~ s/,v$//;
                   2574:     my ($rev1,$date1,$log1,$author1,$filename1) = @{$fileinfo{$af}}
                   2575:         if (defined($fileinfo{$af}));
                   2576:     my ($rev2,$date2,$log2,$author2,$filename2) = @{$fileinfo{$bf}}
                   2577:         if (defined($fileinfo{$bf}));
                   2578:
                   2579:     if (defined($filename1) && defined($filename2) && $af eq $filename1 && $bf eq $filename2) {
                   2580:        # Two files
                   2581:        $comp = -revcmp($rev1, $rev2) if ($byrev && $rev1 && $rev2);
                   2582:        $comp = ($date2 <=> $date1) if ($bydate && $date1 && $date2);
                   2583:        $comp = ($log1 cmp $log2) if ($bylog && $log1 && $log2);
                   2584:        $comp = ($author1 cmp $author2) if ($byauthor && $author1 && $author2);
                   2585:     }
                   2586:     if ($comp == 0) {
                   2587:        # Directories first, then sorted on name if no other sort critera
                   2588:        # available.
                   2589:        my $ad = ((-d "$fullname/$a")?"D":"F");
                   2590:        my $bd = ((-d "$fullname/$b")?"D":"F");
                   2591:        ($c=$a) =~ s|.*/||;
                   2592:        ($d=$b) =~ s|.*/||;
                   2593:        $comp = ("$ad$c" cmp "$bd$d");
                   2594:     }
                   2595:     return $comp;
                   2596: }
                   2597:
                   2598: # make A url for downloading
1.45.2.47  knu      2599: sub download_url($$;$) {
1.45.2.46  knu      2600:     my ($url,$revision,$mimetype) = @_;
                   2601:
                   2602:     $revision =~ s/\b0\.//;
                   2603:
                   2604:     if (defined($checkout_magic)
                   2605:        && (!defined($mimetype) || $mimetype ne "text/x-cvsweb-markup")) {
                   2606:        my ($path);
                   2607:        ($path = $where) =~ s|/[^/]*$|/|;
                   2608:        $url = "$scriptname/$checkoutMagic/${path}$url";
                   2609:     }
                   2610:     $url .= "?rev=$revision";
                   2611:     $url .= "&amp;content-type=$mimetype" if (defined($mimetype));
                   2612:
                   2613:     return $url;
                   2614: }
                   2615:
1.45.2.47  knu      2616: # Presents a link to download the
1.45.2.46  knu      2617: # selected revision
1.45.2.47  knu      2618: sub download_link($$$;$) {
1.45.2.46  knu      2619:     my ($url,$revision,$textlink,$mimetype) = @_;
                   2620:     my ($fullurl) = download_url($url,$revision,$mimetype);
                   2621:     my ($paren) = $textlink =~ /^\(/;
                   2622:     $textlink =~ s/^\(// if ($paren);
                   2623:     $textlink =~ s/\)$// if ($paren);
                   2624:     print "(" if ($paren);
                   2625:     print "<A HREF=\"$fullurl";
                   2626:     print $barequery;
                   2627:     print "\"";
                   2628:     if ($open_extern_window && (!defined($mimetype) || $mimetype ne "text/x-cvsweb-markup")) {
                   2629:        print " target=\"cvs_checkout\"";
                   2630:        # we should have
                   2631:        #   'if (document.cvswin==null) document.cvswin=window.open(...'
                   2632:        # in order to allow the user to resize the window; otherwise
                   2633:        # the user may resize the window, but on next checkout - zap -
                   2634:        # its original (configured s. cvsweb.conf) size is back again
                   2635:        # .. annoying (if $extern_window_(width|height) is defined)
                   2636:        # but this if (..) solution is far from perfect
                   2637:        # what we need to do as well is
                   2638:        # 1) save cvswin in an invisible frame that always exists
                   2639:        #    (document.cvswin will be void on next load)
                   2640:        # 2) on close of the cvs_checkout - window set the cvswin
                   2641:        #    variable to 'null' again - so that it will be
                   2642:        #    reopenend with the configured size
                   2643:        # anyone a JavaScript programmer ?
                   2644:        # .. so here without if (..):
                   2645:        # currently, the best way is to comment out the size parameters
                   2646:        # ($extern_window...) in cvsweb.conf.
                   2647:        if ($use_java_script) {
                   2648:            print " onClick=\"window.open('$fullurl','cvs_checkout',";
                   2649:            print "'resizeable,scrollbars";
                   2650:            print ",status,toolbar" if (defined($mimetype)
                   2651:                && $mimetype eq "text/html");
                   2652:            print ",width=$extern_window_width" if (defined($extern_window_width));
                   2653:            print ",height=$extern_window_height" if (defined($extern_window_height));
                   2654:            print"');\"";
                   2655:        }
                   2656:     }
                   2657:     print "><b>$textlink</b></A>";
                   2658:     print ")" if ($paren);
                   2659: }
                   2660:
                   2661: # Returns a Query string with the
                   2662: # specified parameter toggled
                   2663: sub toggleQuery($$) {
                   2664:     my ($toggle,$value) = @_;
                   2665:     my ($newquery,$var);
                   2666:     my (%vars);
                   2667:     %vars = %input;
                   2668:     if (defined($value)) {
                   2669:        $vars{$toggle} = $value;
                   2670:     }
                   2671:     else {
                   2672:        $vars{$toggle} = $vars{$toggle} ? 0 : 1;
                   2673:     }
                   2674:     # Build a new query of non-default paramenters
                   2675:     $newquery = "";
                   2676:     foreach $var (@stickyvars) {
                   2677:        my ($value) = defined($vars{$var}) ? $vars{$var} : "";
                   2678:        my ($default) = defined($DEFAULTVALUE{$var}) ? $DEFAULTVALUE{$var} : "";
                   2679:        if ($value ne $default) {
                   2680:            $newquery .= "&amp;" if ($newquery ne "");
                   2681:            $newquery .= urlencode($var) . "=" . urlencode($value);
                   2682:        }
                   2683:     }
                   2684:     if ($newquery) {
                   2685:        return '?' . $newquery;
                   2686:     }
                   2687:     return "";
                   2688: }
                   2689:
1.45.2.47  knu      2690: sub urlencode($) {
1.45.2.46  knu      2691:     my ($in) = @_;
                   2692:     my ($out);
                   2693:     ($out = $in) =~ s/([\000-+{-\377])/sprintf("%%%02x", ord($1))/ge;
                   2694:     return $out;
                   2695: }
                   2696:
1.45.2.47  knu      2697: sub http_header(;$) {
1.45.2.46  knu      2698:     my $content_type = shift || "text/html";
                   2699:     if (defined($moddate)) {
                   2700:        if ($is_mod_perl) {
                   2701:            Apache->request->header_out(Last_modified => scalar gmtime($moddate) . " GMT");
                   2702:        }
                   2703:        else {
                   2704:            print "Last-Modified: " . scalar gmtime($moddate) . " GMT\r\n";
                   2705:        }
                   2706:     }
                   2707:     if ($is_mod_perl) {
                   2708:        Apache->request->content_type($content_type);
                   2709:     }
                   2710:     else {
                   2711:            print "Content-type: $content_type\r\n";
                   2712:     }
                   2713:     if ($allow_compress && $maycompress) {
                   2714:        my $fh = do {local(*FH);};
                   2715:        if (defined($GZIPBIN) && open($fh, "|$GZIPBIN -1 -c")) {
                   2716:            if ($is_mod_perl) {
                   2717:                    Apache->request->content_encoding("x-gzip");
                   2718:                    Apache->request->header_out(Vary => "Accept-Encoding");
                   2719:                    Apache->request->send_http_header;
                   2720:            }
                   2721:            else {
                   2722:                    print "Content-encoding: x-gzip\r\n";
                   2723:                    print "Vary: Accept-Encoding\r\n";  #RFC 2068, 14.43
                   2724:                    print "\r\n"; # Close headers
                   2725:            }
                   2726:            $| = 1; $| = 0; # Flush header output
                   2727:            select ($fh);
                   2728: #          print "<!-- gzipped -->" if ($content_type eq "text/html");
                   2729:        }
                   2730:        else {
                   2731:            if ($is_mod_perl) {
                   2732:                    Apache->request->send_http_header;
                   2733:            }
                   2734:            else {
                   2735:                    print "\r\n"; # Close headers
                   2736:            }
                   2737:            print "<font size=-1>Unable to find gzip binary in the \$PATH to compress output</font><br>";
                   2738:        }
                   2739:     }
                   2740:     else {
                   2741:            if ($is_mod_perl) {
                   2742:                    Apache->request->send_http_header;
                   2743:            }
                   2744:            else {
                   2745:                    print "\r\n"; # Close headers
                   2746:            }
                   2747:     }
                   2748: }
                   2749:
                   2750: sub html_header($) {
                   2751:     my ($title) = @_;
1.45.2.49! knu      2752:     my $version = '$zRevision: 1.94 $  $kRevision: 1.17 $'; #'
1.45.2.46  knu      2753:     http_header();
                   2754:
                   2755:     (my $header = &cgi_style::html_header) =~ s/^.*\n\n//; # remove HTTP response header
                   2756:
                   2757:     print <<EOH;
                   2758: <!doctype html public "-//W3C//DTD HTML 4.0 Transitional//EN"
                   2759:  "http://www.w3.org/TR/REC-html40/loose.dtd">
                   2760: $header
                   2761: <!-- CVSweb $version -->
                   2762: EOH
                   2763: }
                   2764:
1.45.2.47  knu      2765: sub html_footer() {
1.45.2.46  knu      2766:     return &cgi_style::html_footer;
                   2767: }
                   2768:
1.45.2.47  knu      2769: sub link_tags($) {
1.45.2.46  knu      2770:     my ($tags) = @_;
                   2771:     my ($ret) = "";
                   2772:     my ($fileurl,$filename);
                   2773:
                   2774:     ($filename = $where) =~ s/^.*\///;
                   2775:     $fileurl = urlencode($filename);
                   2776:
                   2777:     foreach my $sym (split(", ", $tags)) {
                   2778:        $ret .= ",\n" if ($ret ne "");
                   2779:        $ret .= "<A HREF=\"$fileurl"
                   2780:                . toggleQuery('only_with_tag',$sym) . "\">$sym</A>";
                   2781:     }
                   2782:     return $ret."\n";
                   2783: }
                   2784:
                   2785: #
                   2786: # See if a module is listed in the config file's @HideModule list.
                   2787: #
1.45.2.47  knu      2788: sub forbidden_module($) {
1.45.2.46  knu      2789:     my($module) = @_;
1.45.2.47  knu      2790:
1.45.2.46  knu      2791:     for (my $i=0; $i < @HideModules; $i++) {
                   2792:        return 1 if $module eq $HideModules[$i];
                   2793:     }
                   2794:
                   2795:     return 0;
1.1       jfieber  2796: }

CVSweb