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Annotation of cvsweb/cvsweb.cgi, Revision 1.45.2.60

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>
1.45.2.51  knu        12: #             Jens-Uwe Mager   <jum@helios.de>
1.45.2.46  knu        13: #
                     14: # Based on:
                     15: # * Bill Fenners cvsweb.cgi revision 1.28 available from:
                     16: #   http://www.FreeBSD.org/cgi/cvsweb.cgi/www/en/cgi/cvsweb.cgi
1.1       jfieber    17: #
1.21      wosch      18: # Copyright (c) 1996-1998 Bill Fenner
1.45.2.46  knu        19: #           (c) 1998-1999 Henner Zeller
                     20: #          (c) 1999      Henrik Nordstrom
                     21: #          (c) 2000      Akinori MUSHA
1.21      wosch      22: # All rights reserved.
                     23: #
                     24: # Redistribution and use in source and binary forms, with or without
                     25: # modification, are permitted provided that the following conditions
                     26: # are met:
                     27: # 1. Redistributions of source code must retain the above copyright
                     28: #    notice, this list of conditions and the following disclaimer.
                     29: # 2. Redistributions in binary form must reproduce the above copyright
                     30: #    notice, this list of conditions and the following disclaimer in the
                     31: #    documentation and/or other materials provided with the distribution.
                     32: #
                     33: # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
                     34: # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     35: # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     36: # ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
                     37: # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     38: # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     39: # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     40: # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     41: # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     42: # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     43: # SUCH DAMAGE.
                     44: #
1.45.2.57  knu        45: # $zId: cvsweb.cgi,v 1.104 2000/11/01 22:05:12 hnordstrom Exp $
1.45.2.59  knu        46: # $kId: cvsweb.cgi,v 1.45 2000/12/18 04:25:30 knu Exp $
1.45.2.60! knu        47: # $FreeBSD: www/en/cgi/cvsweb.cgi,v 1.59 2000/12/18 04:39:52 knu Exp $
1.21      wosch      48: #
1.45.2.46  knu        49: ###
1.21      wosch      50:
1.45.2.46  knu        51: use strict;
1.21      wosch      52:
1.45.2.46  knu        53: use vars qw (
                     54:     $config $allow_version_select $verbose
                     55:     %CVSROOT %CVSROOTdescr %MIRRORS %DEFAULTVALUE %ICONS %MTYPES
1.45.2.56  knu        56:     @DIFFTYPES %DIFFTYPES @LOGSORTKEYS %LOGSORTKEYS
1.45.2.46  knu        57:     %alltags @tabcolors %fileinfo %tags @branchnames %nameprinted
                     58:     %symrev %revsym @allrevisions %date %author @revdisplayorder
1.45.2.49  knu        59:     @revisions %state %difflines %log %branchpoint @revorder
                     60:     $prcgi @prcategories $prcategories $mancgi
1.45.2.46  knu        61:     $checkoutMagic $doCheckout $scriptname $scriptwhere
                     62:     $where $pathinfo $Browser $nofilelinks $maycompress @stickyvars
                     63:     %funcline_regexp $is_mod_perl
1.45.2.56  knu        64:     $is_links $is_lynx $is_w3m $is_msie $is_mozilla3 $is_textbased
1.45.2.46  knu        65:     %input $query $barequery $sortby $bydate $byrev $byauthor
1.45.2.56  knu        66:     $bylog $byfile $defaultDiffType $logsort $cvstree $cvsroot
1.45.2.58  knu        67:     $mimetype $charset $defaultTextPlain $defaultViewable
                     68:     $allow_compress $GZIPBIN $backicon $diricon $fileicon
                     69:     $fullname $newname $cvstreedefault
                     70:     $body_tag $body_tag_for_src $logo $defaulttitle $address
1.45.2.52  knu        71:     $long_intro $short_instruction $shortLogLen
1.45.2.46  knu        72:     $show_author $dirtable $tablepadding $columnHeaderColorDefault
                     73:     $columnHeaderColorSorted $hr_breakable $showfunc $hr_ignwhite
                     74:     $hr_ignkeysubst $diffcolorHeading $diffcolorEmpty $diffcolorRemove
                     75:     $diffcolorChange $diffcolorAdd $diffcolorDarkChange $difffontface
                     76:     $difffontsize $inputTextSize $mime_types $allow_annotate
                     77:     $allow_markup $use_java_script $open_extern_window
                     78:     $extern_window_width $extern_window_height $edit_option_form
1.45.2.56  knu        79:     $show_subdir_lastmod $show_log_in_markup $v
1.45.2.46  knu        80:     $navigationHeaderColor $tableBorderColor $markupLogColor
                     81:     $tabstop $state $annTable $sel $curbranch @HideModules
                     82:     $module $use_descriptions %descriptions @mytz $dwhere $moddate
1.45.2.51  knu        83:     $use_moddate $has_zlib $gzip_open
1.45.2.55  knu        84:     $LOG_FILESEPARATOR $LOG_REVSEPARATOR
1.45.2.46  knu        85: );
                     86:
1.45.2.47  knu        87: sub printDiffSelect($);
1.45.2.56  knu        88: sub printDiffLinks($$);
                     89: sub printLogSortSelect($);
1.45.2.47  knu        90: sub findLastModifiedSubdirs(@);
1.45.2.56  knu        91: sub htmlify_sub(&$);
1.45.2.47  knu        92: sub htmlify($;$);
1.45.2.51  knu        93: sub spacedHtmlText($;$);
1.45.2.47  knu        94: sub link($$);
                     95: sub revcmp($$);
                     96: sub fatal($$);
                     97: sub redirect($);
                     98: sub safeglob($);
                     99: sub getMimeTypeFromSuffix($);
1.45.2.51  knu       100: sub head($;$);
                    101: sub scan_directives(@);
1.45.2.47  knu       102: sub doAnnotate($$);
                    103: sub doCheckout($$);
                    104: sub cvswebMarkup($$$);
                    105: sub viewable($);
                    106: sub doDiff($$$$$$);
                    107: sub getDirLogs($$@);
                    108: sub readLog($;$);
                    109: sub printLog($;$);
                    110: sub doLog($);
                    111: sub flush_diff_rows($$$$);
                    112: sub human_readable_diff($);
                    113: sub navigateHeader($$$$$);
                    114: sub plural_write($$);
                    115: sub readableTime($$);
                    116: sub clickablePath($$);
                    117: sub chooseCVSRoot();
                    118: sub chooseMirror();
                    119: sub fileSortCmp();
                    120: sub download_url($$;$);
                    121: sub download_link($$$;$);
                    122: sub toggleQuery($$);
                    123: sub urlencode($);
1.45.2.56  knu       124: sub htmlquote($);
                    125: sub htmlunquote($);
1.45.2.47  knu       126: sub http_header(;$);
                    127: sub html_header($);
                    128: sub html_footer();
                    129: sub link_tags($);
                    130: sub forbidden_module($);
                    131:
1.45.2.46  knu       132: ##### Start of Configuration Area ########
                    133: use Cwd;
                    134:
1.45.2.47  knu       135: # == EDIT this ==
1.45.2.53  knu       136: # Locations to search for user configuration, in order:
                    137: for (
                    138:      $ENV{CVSWEB_CONFIG},
1.45.2.47  knu       139:      '/usr/local/etc/cvsweb.conf',
1.45.2.53  knu       140:      getcwd() . '/cvsweb.conf'
                    141:     ) {
                    142:     $config = $_ if defined($_) && -r $_;
1.45.2.46  knu       143: }
1.1       jfieber   144:
1.45.2.46  knu       145: # == Configuration defaults ==
                    146: # Defaults for configuration variables that shouldn't need
                    147: # to be configured..
                    148: $allow_version_select = 1;
                    149:
                    150: ##### End of Configuration Area   ########
                    151:
                    152: ######## Configuration variables #########
                    153: # These are defined to allow checking with perl -cw
                    154: %CVSROOT = %MIRRORS = %DEFAULTVALUE = %ICONS = %MTYPES =
                    155: %tags = %alltags = @tabcolors = ();
1.45.2.53  knu       156: $cvstreedefault = $body_tag = $body_tag_for_src =
1.45.2.52  knu       157: $logo = $defaulttitle = $address =
                    158: $long_intro = $short_instruction = $shortLogLen =
1.45.2.46  knu       159: $show_author = $dirtable = $tablepadding = $columnHeaderColorDefault =
                    160: $columnHeaderColorSorted = $hr_breakable = $showfunc = $hr_ignwhite =
                    161: $hr_ignkeysubst = $diffcolorHeading = $diffcolorEmpty = $diffcolorRemove =
                    162: $diffcolorChange = $diffcolorAdd = $diffcolorDarkChange = $difffontface =
                    163: $difffontsize = $inputTextSize = $mime_types = $allow_annotate =
                    164: $allow_markup = $use_java_script = $open_extern_window =
                    165: $extern_window_width = $extern_window_height = $edit_option_form =
1.45.2.56  knu       166: $show_subdir_lastmod = $show_log_in_markup = $v =
1.45.2.47  knu       167: $navigationHeaderColor = $tableBorderColor = $markupLogColor =
1.45.2.52  knu       168: $tabstop = $use_moddate = $moddate = $gzip_open = undef;
1.45.2.46  knu       169:
1.45.2.55  knu       170: $LOG_FILESEPARATOR = q/^={77}$/;
                    171: $LOG_REVSEPARATOR = q/^-{28}$/;
                    172:
1.45.2.56  knu       173: @DIFFTYPES = qw(h H u c s);
                    174: @DIFFTYPES{@DIFFTYPES} = (
                    175:                          {
                    176:                           'descr'   => 'colored',
                    177:                           'opts'    => [ '-u' ],
                    178:                           'colored' => 1,
                    179:                          },
                    180:                          {
                    181:                           'descr'   => 'long colored',
                    182:                           'opts'    => [ '--unified=15' ],
                    183:                           'colored' => 1,
                    184:                          },
                    185:                          {
                    186:                           'descr'   => 'unified',
                    187:                           'opts'    => [ '-u' ],
                    188:                           'colored' => 0,
                    189:                          },
                    190:                          {
                    191:                           'descr'   => 'context',
                    192:                           'opts'    => [ '-c' ],
                    193:                           'colored' => 0,
                    194:                          },
                    195:                          {
                    196:                           'descr'   => 'side by side',
                    197:                           'opts'    => [ '--side-by-side', '--width=164' ],
                    198:                           'colored' => 0,
                    199:                          },
                    200:                         );
                    201:
                    202: @LOGSORTKEYS = qw(cvs date rev);
                    203: @LOGSORTKEYS{@LOGSORTKEYS} = (
                    204:                              {
                    205:                               'descr' => 'Not sorted',
                    206:                              },
                    207:                              {
                    208:                               'descr' => 'Commit date',
                    209:                              },
                    210:                              {
                    211:                               'descr' => 'Revision',
                    212:                              },
                    213:                             );
                    214:
1.45.2.46  knu       215: ##### End of configuration variables #####
                    216:
                    217: $cgi_style::hsty_base = 'http://www.FreeBSD.org';
1.45.2.60! knu       218: $_ = q$FreeBSD: www/en/cgi/cvsweb.cgi,v 1.59 2000/12/18 04:39:52 knu Exp $;
        !           219: @_ = split;
        !           220: $cgi_style::hsty_date = "@_[3,4]";
        !           221:
        !           222: # warningproof
        !           223: 0 if $cgi_style::hsty_base ne $cgi_style::hsty_date;
        !           224:
        !           225: package cgi_style;
1.2       jfieber   226: require 'cgi-style.pl';
1.45.2.46  knu       227: package main;
1.2       jfieber   228:
1.45.2.56  knu       229: ##### End of configuration variables #####
                    230:
1.45.2.46  knu       231: use Time::Local;
                    232: use IPC::Open2;
1.1       jfieber   233:
1.45.2.51  knu       234: # Check if the zlib C library interface is installed, and if yes
                    235: # we can avoid using the extra gzip process.
                    236: eval {
                    237:        require Compress::Zlib;
                    238: };
                    239: $has_zlib = !$@;
                    240:
1.1       jfieber   241: $verbose = $v;
1.45.2.46  knu       242: $checkoutMagic = "~checkout~";
                    243: $pathinfo = defined($ENV{PATH_INFO}) ? $ENV{PATH_INFO} : '';
                    244: $where = $pathinfo;
                    245: $doCheckout = ($where =~ /^\/$checkoutMagic/);
                    246: $where =~ s|^/($checkoutMagic)?||;
                    247: $where =~ s|/+$||;
                    248: $scriptname = defined($ENV{SCRIPT_NAME}) ? $ENV{SCRIPT_NAME} : '';
                    249: $scriptname =~ s|^/?|/|;
                    250: $scriptname =~ s|/+$||;
                    251: $scriptwhere = $scriptname;
                    252: if ($where) {
                    253:     $scriptwhere .= '/' . urlencode($where);
                    254: }
                    255:
                    256: $is_mod_perl = defined($ENV{MOD_PERL});
                    257:
                    258: # in lynx, it it very annoying to have two links
                    259: # per file, so disable the link at the icon
                    260: # in this case:
1.45.2.59  knu       261: $Browser = $ENV{HTTP_USER_AGENT} || '';
1.45.2.56  knu       262: $is_links = ($Browser =~ m`^Links `);
1.45.2.46  knu       263: $is_lynx = ($Browser =~ m`^Lynx/`i);
                    264: $is_w3m = ($Browser =~ m`^w3m/`i);
                    265: $is_msie = ($Browser =~ m`MSIE`);
                    266: $is_mozilla3 = ($Browser =~ m`^Mozilla/[3-9]`);
                    267:
1.45.2.56  knu       268: $is_textbased = ($is_links || $is_lynx || $is_w3m);
1.45.2.46  knu       269:
                    270: $nofilelinks = $is_textbased;
                    271:
                    272: # newer browsers accept gzip content encoding
                    273: # and state this in a header
                    274: # (netscape did always but didn't state it)
                    275: # It has been reported that these
                    276: #  braindamaged MS-Internet Exploders claim that they
                    277: # accept gzip .. but don't in fact and
                    278: # display garbage then :-/
1.45.2.51  knu       279: # Turn off gzip if running under mod_perl and no zlib is available,
                    280: # piping does not work as expected inside the server.
1.45.2.52  knu       281: $maycompress = (((defined($ENV{HTTP_ACCEPT_ENCODING})
                    282:                 && $ENV{HTTP_ACCEPT_ENCODING} =~ m`gzip`)
1.45.2.47  knu       283:                 || $is_mozilla3)
                    284:                && !$is_msie
1.45.2.51  knu       285:                && !($is_mod_perl && !$has_zlib));
1.45.2.46  knu       286:
                    287: # put here the variables we need in order
                    288: # to hold our state - they will be added (with
1.45.2.47  knu       289: # their current value) to any link/query string
1.45.2.46  knu       290: # you construct
                    291: @stickyvars = qw(cvsroot hideattic sortby logsort f only_with_tag);
1.1       jfieber   292:
1.45.2.46  knu       293: if (-f $config) {
1.45.2.53  knu       294:    do $config
                    295:      || &fatal("500 Internal Error",
                    296:               sprintf('Error in loading configuration file: %s<BR><BR>%s<BR>',
                    297:                       $config, &htmlify($@)));
                    298: } else {
1.45.2.46  knu       299:    &fatal("500 Internal Error",
                    300:          'Configuration not found.  Set the variable <code>$config</code> '
                    301:           . 'in cvsweb.cgi, or the environment variable '
                    302:           . '<code>CVSWEB_CONFIG</code>, to your <b>cvsweb.conf</b> '
                    303:           . 'configuration file first.');
                    304: }
                    305:
                    306: undef %input;
                    307: $query = $ENV{QUERY_STRING};
                    308:
1.45.2.47  knu       309: if (defined($query) && $query ne '') {
1.9       fenner    310:     foreach (split(/&/, $query)) {
1.7       fenner    311:        s/%(..)/sprintf("%c", hex($1))/ge;      # unquote %-quoted
                    312:        if (/(\S+)=(.*)/) {
1.45.2.46  knu       313:            $input{$1} = $2 if ($2 ne "");
                    314:        }
                    315:        else {
1.7       fenner    316:            $input{$_}++;
                    317:        }
                    318:     }
                    319: }
1.10      wosch     320:
1.45.2.47  knu       321: # For backwards compability, set only_with_tag to only_on_branch if set.
1.45.2.46  knu       322: $input{only_with_tag} = $input{only_on_branch}
                    323:     if (defined($input{only_on_branch}));
1.10      wosch     324:
1.45.2.46  knu       325: $DEFAULTVALUE{'cvsroot'} = $cvstreedefault;
1.10      wosch     326:
1.45.2.46  knu       327: foreach (keys %DEFAULTVALUE)
                    328: {
                    329:     # replace not given parameters with the default parameters
                    330:     if (!defined($input{$_}) || $input{$_} eq "") {
                    331:        # Empty Checkboxes in forms return -- nothing. So we define a helper
                    332:        # variable in these forms (copt) which indicates that we just set
                    333:        # parameters with a checkbox
                    334:        if (!defined($input{"copt"})) {
                    335:            # 'copt' isn't defined --> empty input is not the result
                    336:            # of empty input checkbox --> set default
                    337:            $input{$_} = $DEFAULTVALUE{$_} if (defined($DEFAULTVALUE{$_}));
                    338:        }
                    339:        else {
                    340:            # 'copt' is defined -> the result of empty input checkbox
                    341:            # -> set to zero (disable) if default is a boolean (0|1).
                    342:            $input{$_} = 0
                    343:                if (defined($DEFAULTVALUE{$_})
                    344:                    && ($DEFAULTVALUE{$_} eq "0" || $DEFAULTVALUE{$_} eq "1"));
                    345:        }
1.10      wosch     346:     }
                    347: }
1.45.2.47  knu       348:
1.45.2.46  knu       349: $barequery = "";
1.45.2.55  knu       350: my @barequery;
1.45.2.46  knu       351: foreach (@stickyvars) {
                    352:     # construct a query string with the sticky non default parameters set
1.45.2.47  knu       353:     if (defined($input{$_}) && $input{$_} ne '' &&
1.45.2.46  knu       354:        !(defined($DEFAULTVALUE{$_}) && $input{$_} eq $DEFAULTVALUE{$_})) {
1.45.2.55  knu       355:        push @barequery, join('=', urlencode($_), urlencode($input{$_}));
1.45.2.46  knu       356:     }
                    357: }
                    358: # is there any query ?
1.45.2.55  knu       359: if (@barequery) {
1.45.2.56  knu       360:     $barequery = join('&', @barequery);
1.45.2.46  knu       361:     $query = "?$barequery";
1.45.2.56  knu       362:     $barequery = "&$barequery";
1.45.2.46  knu       363: }
                    364: else {
                    365:     $query = "";
                    366: }
1.45.2.55  knu       367: undef @barequery;
1.10      wosch     368:
1.45.2.46  knu       369: # get actual parameters
                    370: $sortby = $input{"sortby"};
                    371: $bydate = 0;
                    372: $byrev = 0;
                    373: $byauthor = 0;
                    374: $bylog = 0;
                    375: $byfile = 0;
                    376: if ($sortby eq "date") {
                    377:     $bydate = 1;
                    378: }
                    379: elsif ($sortby eq "rev") {
                    380:     $byrev = 1;
                    381: }
                    382: elsif ($sortby eq "author") {
                    383:     $byauthor = 1;
                    384: }
                    385: elsif ($sortby eq "log") {
                    386:     $bylog = 1;
                    387: }
                    388: else {
                    389:     $byfile = 1;
                    390: }
1.12      fenner    391:
1.45.2.56  knu       392: $defaultDiffType = $input{'f'};
1.45.2.46  knu       393:
                    394: $logsort = $input{'logsort'};
                    395:
                    396:
                    397: ## Default CVS-Tree
                    398: if (!defined($CVSROOT{$cvstreedefault})) {
                    399:    &fatal("500 Internal Error",
                    400:          "<code>\$cvstreedefault</code> points to a repository "
                    401:          . "not defined in <code>%CVSROOT</code> "
                    402:          . "(edit your configuration file $config)");
1.10      wosch     403: }
                    404:
1.45.2.46  knu       405: # alternate CVS-Tree, configured in cvsweb.conf
                    406: if ($input{'cvsroot'} && $CVSROOT{$input{'cvsroot'}}) {
                    407:     $cvstree = $input{'cvsroot'};
                    408: } else {
                    409:     $cvstree = $cvstreedefault;
                    410: }
1.10      wosch     411:
1.45.2.46  knu       412: $cvsroot = $CVSROOT{$cvstree};
                    413:
                    414: # create icons out of description
1.45.2.55  knu       415: my $k;
                    416: foreach $k (keys %ICONS) {
1.45.2.46  knu       417:     no strict 'refs';
                    418:     my ($itxt,$ipath,$iwidth,$iheight) = @{$ICONS{$k}};
                    419:     if ($ipath) {
1.45.2.56  knu       420:        ${"${k}icon"} = sprintf('<IMG SRC="%s" ALT="%s" BORDER="0" WIDTH="%d" HEIGHT="%d">',
                    421:                                htmlquote($ipath), htmlquote($itxt), $iwidth, $iheight)
1.16      wosch     422:     }
1.45.2.46  knu       423:     else {
                    424:        ${"${k}icon"} = $itxt;
1.24      wosch     425:     }
                    426: }
1.45.2.55  knu       427: undef $k;
1.24      wosch     428:
1.45.2.53  knu       429: my $config_cvstree = "$config-$cvstree";
                    430:
1.45.2.46  knu       431: # Do some special configuration for cvstrees
1.45.2.53  knu       432: if (-f $config_cvstree) {
                    433:    do $config_cvstree
                    434:      || &fatal("500 Internal Error",
                    435:               sprintf('Error in loading configuration file: %s<BR><BR>%s<BR>',
                    436:                       $config_cvstree, &htmlify($@)));
                    437: }
1.45.2.55  knu       438: undef $config_cvstree;
1.24      wosch     439:
1.45.2.46  knu       440: $prcategories = '(?:' . join('|', @prcategories) . ')';
1.45.2.49  knu       441: $prcgi .= '%s' if defined($prcgi) && $prcgi !~ /%s/;
1.45.2.46  knu       442:
                    443: $fullname = $cvsroot . '/' . $where;
                    444: $mimetype = &getMimeTypeFromSuffix ($fullname);
                    445: $defaultTextPlain = ($mimetype eq "text/plain");
                    446: $defaultViewable = $allow_markup && viewable($mimetype);
                    447:
                    448: # search for GZIP if compression allowed
                    449: # We've to find out if the GZIP-binary exists .. otherwise
                    450: # ge get an Internal Server Error if we try to pipe the
1.45.2.47  knu       451: # output through the nonexistent gzip ..
1.45.2.46  knu       452: # any more elegant ways to prevent this are welcome!
1.45.2.51  knu       453: if ($allow_compress && $maycompress && !$has_zlib) {
1.45.2.46  knu       454:     foreach (split(/:/, $ENV{PATH})) {
                    455:        if (-x "$_/gzip") {
                    456:            $GZIPBIN = "$_/gzip";
                    457:            last;
1.16      wosch     458:        }
                    459:     }
                    460: }
                    461:
1.1       jfieber   462: if (-d $fullname) {
1.45.2.46  knu       463:     #
                    464:     # ensure, that directories always end with (exactly) one '/'
                    465:     # to allow relative URL's. If they're not, make a redirect.
                    466:     ##
                    467:     if (!($pathinfo =~ m|/$|) || ($pathinfo =~ m |/{2,}$|)) {
                    468:        redirect ($scriptwhere . '/' . $query);
                    469:     }
                    470:     else {
                    471:        $where .= '/';
                    472:        $scriptwhere .= '/';
                    473:     }
                    474: }
                    475:
                    476: if (!-d $cvsroot) {
                    477:     &fatal("500 Internal Error",'$CVSROOT not found!<P>The server on which the CVS tree lives is probably down.  Please try again in a few minutes.');
                    478: }
                    479:
                    480: #
                    481: # See if the module is in our forbidden list.
                    482: #
                    483: $where =~ m:([^/]*):;
                    484: $module = $1;
                    485: if ($module && &forbidden_module($module)) {
                    486:     &fatal("403 Forbidden", "Access to $where forbidden.");
                    487: }
                    488: ##############################
                    489: # View a directory
                    490: ###############################
                    491: elsif (-d $fullname) {
                    492:        my $dh = do {local(*DH);};
                    493:        opendir($dh, $fullname) || &fatal("404 Not Found","$where: $!");
                    494:        my @dir = readdir($dh);
                    495:        closedir($dh);
                    496:        my @subLevelFiles = findLastModifiedSubdirs(@dir)
                    497:            if ($show_subdir_lastmod);
                    498:        getDirLogs($cvsroot,$where,@subLevelFiles);
                    499:
                    500:        if ($where eq '/') {
                    501:            html_header($defaulttitle);
                    502:            $long_intro =~ s/!!CVSROOTdescr!!/$CVSROOTdescr{$cvstree}/g;
                    503:            print $long_intro;
                    504:        }
                    505:        else {
                    506:            html_header($where);
                    507:            print $short_instruction;
                    508:        }
                    509:
                    510:        my $descriptions;
                    511:        if (($use_descriptions) && open (DESC, "<$cvsroot/CVSROOT/descriptions")) {
                    512:            while (<DESC>) {
                    513:                chomp;
                    514:                my ($dir,$description) = /(\S+)\s+(.*)/;
                    515:                $descriptions{$dir} = $description;
                    516:            }
1.1       jfieber   517:        }
1.45.2.46  knu       518:
                    519:        print "<P><a name=\"dirlist\"></a>\n";
                    520:        # give direct access to dirs
                    521:        if ($where eq '/') {
                    522:            chooseMirror();
                    523:            chooseCVSRoot();
                    524:        }
                    525:        else {
                    526:            print "<p>Current directory: <b>", &clickablePath($where,0), "</b>\n";
                    527:
                    528:            print "<P>Current tag: <B>", $input{only_with_tag}, "</b>\n" if
                    529:                $input{only_with_tag};
                    530:
                    531:        }
1.45.2.47  knu       532:
1.45.2.46  knu       533:
                    534:        print "<HR NOSHADE>\n";
1.1       jfieber   535:        # Using <MENU> in this manner violates the HTML2.0 spec but
                    536:        # provides the results that I want in most browsers.  Another
                    537:        # case of layout spooging up HTML.
1.45.2.47  knu       538:
1.45.2.46  knu       539:        my $infocols = 0;
                    540:        if ($dirtable) {
                    541:            if (defined($tableBorderColor)) {
                    542:                # Can't this be done by defining the border for the inner table?
                    543:                print "<table border=0 cellpadding=0 width=\"100%\"><tr><td bgcolor=\"$tableBorderColor\">";
                    544:            }
                    545:            print "<table  width=\"100%\" border=0 cellspacing=1 cellpadding=$tablepadding>\n";
                    546:            $infocols++;
1.45.2.56  knu       547:            printf '<tr><th align=left bgcolor="%s">',
                    548:              $byfile ? $columnHeaderColorSorted : $columnHeaderColorDefault;
                    549:            if ($byfile) {
                    550:                print 'File';
                    551:            } else {
                    552:                print &link('File', sprintf('./%s#dirlist',
                    553:                                            &toggleQuery("sortby", "file")));
                    554:            }
1.45.2.46  knu       555:            print "</th>";
                    556:            # do not display the other column-headers, if we do not have any files
                    557:            # with revision information:
                    558:            if (scalar(%fileinfo)) {
                    559:                $infocols++;
1.45.2.56  knu       560:                printf '<th align=left bgcolor="%s">',
                    561:                  $byrev ? $columnHeaderColorSorted : $columnHeaderColorDefault;
                    562:                if ($byrev) {
                    563:                    print 'Rev.';
                    564:                } else {
                    565:                    print &link('Rev.', sprintf('./%s#dirlist',
                    566:                                                &toggleQuery("sortby", "rev")));
                    567:                }
1.45.2.46  knu       568:                print "</th>";
                    569:                $infocols++;
1.45.2.56  knu       570:                printf '<th align=left bgcolor="%s">',
                    571:                  $bydate ? $columnHeaderColorSorted : $columnHeaderColorDefault;
                    572:                if ($bydate) {
                    573:                    print 'Age';
                    574:                } else {
                    575:                    print &link('Age', sprintf('./%s#dirlist',
                    576:                                               &toggleQuery("sortby", "date")));
                    577:                }
1.45.2.46  knu       578:                print "</th>";
                    579:                if ($show_author) {
                    580:                    $infocols++;
1.45.2.56  knu       581:                    printf '<th align=left bgcolor="%s">',
                    582:                      $byauthor ? $columnHeaderColorSorted : $columnHeaderColorDefault;
                    583:                    if ($byauthor) {
                    584:                        print 'Author';
                    585:                    } else {
                    586:                        print &link('Author', sprintf('./%s#dirlist',
                    587:                                                      &toggleQuery("sortby", "author")));
                    588:                    }
1.45.2.46  knu       589:                    print "</th>";
                    590:                }
                    591:                $infocols++;
1.45.2.56  knu       592:                printf '<th align=left bgcolor="%s">',
                    593:                  $bylog ? $columnHeaderColorSorted : $columnHeaderColorDefault;
                    594:                if ($bylog) {
                    595:                    print 'Last log entry';
                    596:                } else {
                    597:                    print &link('Last log entry', sprintf('./%s#dirlist',
                    598:                                                          &toggleQuery("sortby", "log")));
                    599:                }
1.45.2.46  knu       600:                print "</th>";
                    601:            }
                    602:            elsif ($use_descriptions) {
1.45.2.56  knu       603:                printf '<th align=left bgcolor="%s">', $columnHeaderColorDefault;
1.45.2.46  knu       604:                print "Description";
                    605:                $infocols++;
                    606:            }
                    607:            print "</tr>\n";
                    608:        }
                    609:        else {
                    610:            print "<menu>\n";
                    611:        }
                    612:        my $dirrow = 0;
1.45.2.47  knu       613:
1.45.2.46  knu       614:        my $i;
1.9       fenner    615:        lookingforattic:
                    616:        for ($i = 0; $i <= $#dir; $i++) {
                    617:                if ($dir[$i] eq "Attic") {
1.45.2.46  knu       618:                    last lookingforattic;
1.9       fenner    619:                }
                    620:        }
1.45.2.46  knu       621:        if (!$input{'hideattic'} && ($i <= $#dir) &&
                    622:            opendir($dh, $fullname . "/Attic")) {
                    623:            splice(@dir, $i, 1,
                    624:                        grep((s|^|Attic/|,!m|/\.|), readdir($dh)));
                    625:            closedir($dh);
1.9       fenner    626:        }
1.45.2.46  knu       627:
1.45.2.56  knu       628:        my $hideAtticToggleLink = $input{'hideattic'} ? '' :
                    629:          &link('[Hide]', sprintf('./%s#dirlist',
                    630:                                  &toggleQuery ("hideattic")));
1.45.2.46  knu       631:
1.9       fenner    632:        # Sort without the Attic/ pathname.
1.45.2.46  knu       633:        # place directories first
                    634:
                    635:        my $attic;
                    636:        my $url;
                    637:        my $fileurl;
                    638:        my $filesexists;
                    639:        my $filesfound;
                    640:
                    641:        foreach (sort { &fileSortCmp } @dir) {
1.1       jfieber   642:            if ($_ eq '.') {
                    643:                next;
                    644:            }
1.19      wosch     645:            # ignore CVS lock and stale NFS files
1.45.2.46  knu       646:            next if (/^#cvs\.|^,|^\.nfs/);
                    647:
                    648:            # Check whether to show the CVSROOT path
                    649:            next if ($input{'hidecvsroot'} && ($_ eq 'CVSROOT'));
                    650:
                    651:            # Check whether the module is in the restricted list
                    652:            next if ($_ && &forbidden_module($_));
                    653:
                    654:            # Ignore non-readable files
                    655:            next if ($input{'hidenonreadable'} && !(-r "$fullname/$_"));
1.18      wosch     656:
1.9       fenner    657:            if (s|^Attic/||) {
1.45.2.46  knu       658:                $attic  = " (in the Attic)&nbsp;" . $hideAtticToggleLink;
                    659:            }
                    660:            else {
1.9       fenner    661:                $attic = "";
                    662:            }
1.45.2.46  knu       663:
                    664:            if ($_ eq '..' || -d "$fullname/$_") {
                    665:                next if ($_ eq '..' && $where eq '/');
                    666:                my ($rev,$date,$log,$author,$filename) = @{$fileinfo{$_}}
                    667:                    if (defined($fileinfo{$_}));
1.45.2.56  knu       668:                printf '<tr bgcolor="%s"><td>', $tabcolors[$dirrow % 2] if $dirtable;
1.45.2.46  knu       669:                if ($_ eq '..') {
1.45.2.56  knu       670:                    $url = "../$query";
1.45.2.46  knu       671:                    if ($nofilelinks) {
                    672:                        print $backicon;
                    673:                    }
                    674:                    else {
1.45.2.56  knu       675:                        print &link($backicon, $url);
1.45.2.46  knu       676:                    }
1.45.2.56  knu       677:                    print " ", &link("Previous Directory", $url);
1.45.2.46  knu       678:                }
                    679:                else {
1.45.2.56  knu       680:                    $url = urlencode($_) . "/$query";
1.45.2.46  knu       681:                    print "<A NAME=\"$_\"></A>";
                    682:                    if ($nofilelinks) {
                    683:                        print $diricon;
                    684:                    }
                    685:                    else {
1.45.2.56  knu       686:                        print &link($diricon, $url);
1.45.2.46  knu       687:                    }
1.45.2.56  knu       688:                    print " ", &link("$_/", $url), $attic;
1.45.2.46  knu       689:                    if ($_ eq "Attic") {
1.45.2.56  knu       690:                        print "&nbsp; ";
                    691:                        print &link("[Don't hide]", sprintf('./%s#dirlist',
                    692:                                                            &toggleQuery ("hideattic")));
1.45.2.46  knu       693:                    }
1.45.2.47  knu       694:                }
1.45.2.46  knu       695:                # Show last change in dir
                    696:                if ($filename) {
                    697:                    print "</td><td>&nbsp;</td><td>&nbsp;" if ($dirtable);
                    698:                    if ($date) {
1.45.2.56  knu       699:                        print " <i>", readableTime(time() - $date,0), "</i>";
1.45.2.46  knu       700:                    }
                    701:                    if ($show_author) {
                    702:                        print "</td><td>&nbsp;" if ($dirtable);
                    703:                        print $author;
                    704:                    }
                    705:                    print "</td><td>&nbsp;" if ($dirtable);
                    706:                    $filename =~ s%^[^/]+/%%;
                    707:                    print "$filename/$rev";
                    708:                    print "<BR>" if ($dirtable);
                    709:                    if ($log) {
1.45.2.56  knu       710:                        print "&nbsp;<font size=-1>",
                    711:                          &htmlify(substr($log,0,$shortLogLen));
1.45.2.46  knu       712:                        if (length $log > 80) {
                    713:                            print "...";
                    714:                        }
                    715:                        print "</font>";
                    716:                    }
                    717:                }
                    718:                else {
                    719:                    my ($dwhere) = ($where ne "/" ? $where : "") . $_;
                    720:                    if ($use_descriptions && defined $descriptions{$dwhere}) {
1.45.2.56  knu       721:                        print "<TD COLSPAN=", ($infocols-1), ">&nbsp;" if $dirtable;
1.45.2.46  knu       722:                        print $descriptions{$dwhere};
                    723:                    } elsif ($dirtable && $infocols > 1) {
                    724:                        # close the row with the appropriate number of
                    725:                        # columns, so that the vertical seperators are visible
                    726:                        my($cols) = $infocols;
                    727:                        while ($cols > 1) {
                    728:                            print "</td><td>&nbsp;";
                    729:                            $cols--;
                    730:                        }
                    731:                    }
                    732:                }
                    733:                if ($dirtable) {
                    734:                    print "</td></tr>\n";
                    735:                }
                    736:                else {
                    737:                    print "<br>\n";
                    738:                }
                    739:                $dirrow++;
1.9       fenner    740:            }
1.45.2.46  knu       741:            elsif (s/,v$//) {
                    742:                $fileurl = ($attic ? "Attic/" : "") . urlencode($_);
                    743:                $url = $fileurl . $query;
                    744:                my $rev = '';
                    745:                my $date = '';
                    746:                my $log = '';
                    747:                my $author = '';
                    748:                $filesexists++;
                    749:                next if (!defined($fileinfo{$_}));
                    750:                ($rev,$date,$log,$author) = @{$fileinfo{$_}};
                    751:                $filesfound++;
1.45.2.56  knu       752:                printf '<tr bgcolor="%s"><td>', $tabcolors[$dirrow % 2] if $dirtable;
1.45.2.46  knu       753:                print "<A NAME=\"$_\"></A>";
                    754:                if ($nofilelinks) {
                    755:                    print $fileicon;
                    756:                }
                    757:                else {
                    758:                    print &link($fileicon,$url);
                    759:                }
                    760:                print " ", &link($_, $url), $attic;
                    761:                print "</td><td>&nbsp;" if ($dirtable);
                    762:                download_link($fileurl,
1.45.2.56  knu       763:                              $rev, $rev,
                    764:                              $defaultViewable ? "text/x-cvsweb-markup" : undef);
1.45.2.46  knu       765:                print "</td><td>&nbsp;" if ($dirtable);
                    766:                if ($date) {
1.45.2.56  knu       767:                    print " <i>", readableTime(time() - $date,0), "</i>";
1.45.2.46  knu       768:                }
                    769:                if ($show_author) {
                    770:                    print "</td><td>&nbsp;" if ($dirtable);
                    771:                    print $author;
                    772:                }
                    773:                print "</td><td>&nbsp;" if ($dirtable);
                    774:                if ($log) {
1.45.2.56  knu       775:                    print " <font size=-1>", &htmlify(substr($log,0,$shortLogLen));
1.45.2.46  knu       776:                    if (length $log > 80) {
                    777:                        print "...";
                    778:                    }
                    779:                    print "</font>";
                    780:                }
                    781:                print "</td>" if ($dirtable);
                    782:                print (($dirtable) ? "</tr>" : "<br>");
                    783:                $dirrow++;
                    784:            }
                    785:            print "\n";
                    786:        }
                    787:        if ($dirtable && defined($tableBorderColor)) {
                    788:            print "</td></tr></table>";
                    789:        }
1.45.2.56  knu       790:        print( $dirtable == 1 ? "</table>\n" : "</menu>\n" );
1.45.2.47  knu       791:
1.45.2.46  knu       792:        if ($filesexists && !$filesfound) {
                    793:            print "<P><B>NOTE:</B> There are $filesexists files, but none matches the current tag ($input{only_with_tag})\n";
                    794:        }
                    795:        if ($input{only_with_tag} && (!%tags || !$tags{$input{only_with_tag}})) {
                    796:            %tags = %alltags
                    797:        }
1.45.2.47  knu       798:        if (scalar %tags
                    799:            || $input{only_with_tag}
1.45.2.46  knu       800:            || $edit_option_form
                    801:            || defined($input{"options"})) {
                    802:            print "<hr size=1 NOSHADE>";
                    803:        }
                    804:
                    805:        if (scalar %tags || $input{only_with_tag}) {
                    806:            print "<FORM METHOD=\"GET\" ACTION=\"./\">\n";
                    807:            foreach my $var (@stickyvars) {
                    808:                print "<INPUT TYPE=HIDDEN NAME=\"$var\" VALUE=\"$input{$var}\">\n"
                    809:                    if (defined($input{$var})
1.45.2.51  knu       810:                        && (!defined($DEFAULTVALUE{$var})
                    811:                            || $input{$var} ne $DEFAULTVALUE{$var})
1.45.2.46  knu       812:                        && $input{$var} ne ""
                    813:                        && $var ne "only_with_tag");
                    814:            }
                    815:            print "Show only files with tag:\n";
                    816:            print "<SELECT NAME=only_with_tag";
                    817:            print " onchange=\"submit()\"" if ($use_java_script);
                    818:            print ">";
                    819:            print "<OPTION VALUE=\"\">All tags / default branch\n";
                    820:            foreach my $tag (reverse sort { lc $a cmp lc $b } keys %tags) {
1.45.2.47  knu       821:                print "<OPTION",defined($input{only_with_tag}) &&
                    822:                       $input{only_with_tag} eq $tag ? " SELECTED" : "",
1.45.2.46  knu       823:                       ">$tag\n";
                    824:            }
                    825:            print "</SELECT>\n";
                    826:            print "<INPUT TYPE=SUBMIT VALUE=\"Go\">\n";
1.9       fenner    827:            print "</FORM>\n";
                    828:        }
1.45.2.46  knu       829:        my $formwhere = $scriptwhere;
                    830:        $formwhere =~ s|Attic/?$|| if ($input{'hideattic'});
                    831:
                    832:        if ($edit_option_form || defined($input{"options"})) {
                    833:            print "<FORM METHOD=\"GET\" ACTION=\"${formwhere}\">\n";
                    834:            print "<INPUT TYPE=HIDDEN NAME=\"copt\" VALUE=\"1\">\n";
                    835:            if ($cvstree ne $cvstreedefault) {
                    836:                print "<INPUT TYPE=HIDDEN NAME=\"cvsroot\" VALUE=\"$cvstree\">\n";
                    837:            }
                    838:            print "<center><table cellpadding=0 cellspacing=0>";
                    839:            print "<tr bgcolor=\"$columnHeaderColorDefault\"><th colspan=2>Preferences</th></tr>";
                    840:            print "<tr><td>Sort files by <SELECT name=\"sortby\">";
                    841:            print "<OPTION VALUE=\"\">File";
                    842:            print "<OPTION",$bydate ? " SELECTED" : ""," VALUE=date>Age";
                    843:            print "<OPTION",$byauthor ? " SELECTED" : ""," VALUE=author>Author"
                    844:                if ($show_author);
                    845:            print "<OPTION",$byrev ? " SELECTED" : ""," VALUE=rev>Revision";
                    846:            print "<OPTION",$bylog ? " SELECTED" : ""," VALUE=log>Log message";
                    847:            print "</SELECT></td>";
1.45.2.56  knu       848:            print "<td>Sort log by: ";
                    849:            printLogSortSelect(0);
                    850:            print "</td></tr>";
1.45.2.46  knu       851:            print "<tr><td>Diff format: ";
1.45.2.47  knu       852:            printDiffSelect(0);
1.45.2.46  knu       853:            print "</td>";
                    854:            print "<td>Show Attic files: ";
1.45.2.47  knu       855:            print "<INPUT NAME=hideattic TYPE=CHECKBOX", $input{'hideattic'} ? " CHECKED" : "",
1.45.2.46  knu       856:            "></td></tr>\n";
                    857:            print "<tr><td align=center colspan=2><input type=submit value=\"Change Options\">";
                    858:            print "</td></tr></table></center></FORM>\n";
1.12      fenner    859:        }
1.2       jfieber   860:        print &html_footer;
1.1       jfieber   861:        print "</BODY></HTML>\n";
1.45.2.47  knu       862:     }
1.45.2.46  knu       863:
                    864: ###############################
                    865: # View Files
                    866: ###############################
                    867:     elsif (-f $fullname . ',v') {
                    868:        if (defined($input{'rev'}) || $doCheckout) {
                    869:            &doCheckout($fullname, $input{'rev'});
1.45.2.52  knu       870:            gzipclose();
1.45.2.46  knu       871:            exit;
                    872:        }
                    873:        if (defined($input{'annotate'}) && $allow_annotate) {
                    874:            &doAnnotate($input{'annotate'});
1.45.2.52  knu       875:            gzipclose();
1.45.2.46  knu       876:            exit;
                    877:        }
                    878:        if (defined($input{'r1'}) && defined($input{'r2'})) {
                    879:            &doDiff($fullname, $input{'r1'}, $input{'tr1'},
                    880:                    $input{'r2'}, $input{'tr2'}, $input{'f'});
1.45.2.52  knu       881:            gzipclose();
1.45.2.46  knu       882:            exit;
                    883:        }
                    884:        print("going to dolog($fullname)\n") if ($verbose);
                    885:        &doLog($fullname);
                    886: ##############################
                    887: # View Diff
                    888: ##############################
                    889:     }
                    890:     elsif ($fullname =~ s/\.diff$// && -f $fullname . ",v" &&
                    891:           $input{'r1'} && $input{'r2'}) {
                    892:
                    893:        # $where-diff-removal if 'cvs rdiff' is used
                    894:        # .. but 'cvs rdiff'doesn't support some options
                    895:        # rcsdiff does (-w and -p), so it is disabled
                    896:        # $where =~ s/\.diff$//;
                    897:
1.12      fenner    898:        # Allow diffs using the ".diff" extension
                    899:        # so that browsers that default to the URL
                    900:        # for a save filename don't save diff's as
                    901:        # e.g. foo.c
1.45.2.46  knu       902:        &doDiff($fullname, $input{'r1'}, $input{'tr1'},
1.12      fenner    903:                $input{'r2'}, $input{'tr2'}, $input{'f'});
1.45.2.52  knu       904:        gzipclose();
1.12      fenner    905:        exit;
1.45.2.46  knu       906:     }
                    907:     elsif (($newname = $fullname) =~ s|/([^/]+)$|/Attic/$1| &&
                    908:           -f $newname . ",v") {
1.12      fenner    909:        # The file has been removed and is in the Attic.
                    910:        # Send a redirect pointing to the file in the Attic.
1.45.2.46  knu       911:        (my $newplace = $scriptwhere) =~ s|/([^/]+)$|/Attic/$1|;
1.12      fenner    912:        &redirect($newplace);
                    913:        exit;
1.45.2.46  knu       914:     }
                    915:     elsif (0 && (my @files = &safeglob($fullname . ",v"))) {
                    916:        http_header("text/plain");
1.12      fenner    917:        print "You matched the following files:\n";
                    918:        print join("\n", @files);
                    919:        # Find the tags from each file
                    920:        # Display a form offering diffs between said tags
1.45.2.46  knu       921:     }
                    922:     else {
                    923:        my $fh = do {local(*FH);};
                    924:        my ($xtra, $module);
1.12      fenner    925:        # Assume it's a module name with a potential path following it.
1.45.2.59  knu       926:        $xtra = (($module = $where) =~ s|/.*||) ? $& : '';
1.12      fenner    927:        # Is there an indexed version of modules?
1.45.2.46  knu       928:        if (open($fh, "$cvsroot/CVSROOT/modules")) {
                    929:            while (<$fh>) {
                    930:                if (/^(\S+)\s+(\S+)/o && $module eq $1
1.45.2.59  knu       931:                    && -d "$cvsroot/$2" && $module ne $2) {
                    932:                    &redirect("$scriptname/$2$xtra");
1.12      fenner    933:                }
1.45.2.46  knu       934:            }
1.12      fenner    935:        }
                    936:        &fatal("404 Not Found","$where: no such file or directory");
1.45.2.46  knu       937:     }
1.45.2.51  knu       938:
1.45.2.52  knu       939: gzipclose();
1.45.2.46  knu       940: ## End MAIN
                    941:
1.45.2.47  knu       942: sub printDiffSelect($) {
1.45.2.46  knu       943:     my ($use_java_script) = @_;
1.45.2.56  knu       944:     my $f = $input{'f'};
                    945:
                    946:     print '<SELECT NAME="f"';
                    947:     print ' onchange="submit()"' if $use_java_script;
                    948:     print '>';
                    949:
                    950:     local $_;
                    951:     for (@DIFFTYPES) {
                    952:        printf('<OPTION VALUE="%s"%s>%s',
                    953:               $_,
                    954:               $f eq $_ ? ' SELECTED' : '',
                    955:               "\u$DIFFTYPES{$_}{'descr'}"
                    956:              );
                    957:     }
                    958:
                    959:     print "</SELECT>";
                    960: }
                    961:
                    962: sub printLogSortSelect($) {
                    963:     my ($use_java_script) = @_;
                    964:
                    965:     print '<SELECT NAME="logsort"';
                    966:     print ' onchange="submit()"' if $use_java_script;
                    967:     print '>';
                    968:
                    969:     local $_;
                    970:     for (@LOGSORTKEYS) {
                    971:        printf('<OPTION VALUE="%s"%s>%s',
                    972:               $_,
                    973:               $logsort eq $_ ? ' SELECTED' : '',
                    974:               "\u$LOGSORTKEYS{$_}{'descr'}"
                    975:              );
                    976:     }
                    977:
1.45.2.46  knu       978:     print "</SELECT>";
                    979: }
                    980:
1.45.2.47  knu       981: sub findLastModifiedSubdirs(@) {
1.45.2.46  knu       982:     my (@dirs) = @_;
                    983:     my ($dirname, @files);
                    984:
                    985:     foreach $dirname (@dirs) {
                    986:        next if ($dirname eq ".");
                    987:        next if ($dirname eq "..");
                    988:        my ($dir) = "$fullname/$dirname";
                    989:        next if (!-d $dir);
                    990:
                    991:        my ($lastmod) = undef;
                    992:        my ($lastmodtime) = undef;
                    993:        my $dh = do {local(*DH);};
                    994:
                    995:        opendir($dh,$dir) || next;
                    996:        my (@filenames) = readdir($dh);
                    997:        closedir($dh);
                    998:
                    999:        foreach my $filename (@filenames) {
                   1000:            $filename = "$dirname/$filename";
                   1001:            my ($file) = "$fullname/$filename";
                   1002:            next if ($filename !~ /,v$/ || !-f $file);
                   1003:            $filename =~ s/,v$//;
                   1004:            my $modtime = -M $file;
                   1005:            if (!defined($lastmod) || $modtime < $lastmodtime) {
                   1006:                $lastmod = $filename;
                   1007:                $lastmodtime = $modtime;
                   1008:            }
                   1009:        }
                   1010:        push(@files, $lastmod) if (defined($lastmod));
                   1011:     }
                   1012:     return @files;
1.12      fenner   1013: }
                   1014:
1.45.2.56  knu      1015: sub htmlify_sub(&$) {
                   1016:     (my $proc, local $_) = @_;
                   1017:     local @_ = split(m`(<a [^>]+>[^<]*</a>)`i);
1.45.2.57  knu      1018:     my $linked;
                   1019:     my $result = '';
1.45.2.56  knu      1020:
                   1021:     while (($_, $linked) = splice(@_, 0, 2)) {
                   1022:        &$proc();
1.45.2.57  knu      1023:        $result .= $_ if defined($_);
                   1024:        $result .= $linked if defined($linked);
1.45.2.56  knu      1025:     }
1.12      fenner   1026:
1.45.2.56  knu      1027:     $result;
                   1028: }
1.12      fenner   1029:
1.45.2.56  knu      1030: sub htmlify($;$) {
                   1031:     (local $_, my $extra) = @_;
1.45.2.46  knu      1032:
1.45.2.56  knu      1033:     $_ = htmlquote($_);
1.45.2.49  knu      1034:
1.45.2.56  knu      1035:     # get URL's as link
                   1036:     s{
                   1037:       (http|ftp|https)://\S+
                   1038:      }{
                   1039:         &link($&, htmlunquote($&))
                   1040:      }egx;
                   1041:
                   1042:     # get e-mails as link
                   1043:     $_ = htmlify_sub {
                   1044:        s<
                   1045:          [\w+=\-.!]+@[\w\-]+(\.[\w\-]+)+
                   1046:            ><
                   1047:              &link($&, "mailto:$&")
                   1048:                >egix;
                   1049:     } $_;
                   1050:
                   1051:     if ($extra) {
                   1052:        # get PR #'s as link: "PR#nnnn" "PR: nnnn, ..." "PR nnnn, ..." "bin/nnnn"
                   1053:        if (defined($prcgi)) {
                   1054:            my $prev;
                   1055:
                   1056:            do {
                   1057:                $prev = $_;
                   1058:
                   1059:                $_ = htmlify_sub {
                   1060:                    s{
                   1061:                      (\bPR[:\#]?\s*
                   1062:                       (?:
                   1063:                        \#?
                   1064:                        \d+[,\s]\s*
                   1065:                       )*
                   1066:                       \#?)
                   1067:                      (\d+)\b
                   1068:                     }{
1.45.2.58  knu      1069:                         $1 . &link($2, sprintf($prcgi, $2))
1.45.2.56  knu      1070:                     }egix;
                   1071:                } $_;
                   1072:            } while ($_ ne $prev);
                   1073:
                   1074:            $_ = htmlify_sub {
                   1075:                s{
                   1076:                  (\b$prcategories/(\d+)\b)
                   1077:                 }{
1.45.2.58  knu      1078:                     &link($1, sprintf($prcgi, $2))
1.45.2.56  knu      1079:                 }egox;
                   1080:            } $_;
                   1081:        }
                   1082:
                   1083:        # get manpage specs as link: "foo.1" "foo(1)"
                   1084:        if (defined($mancgi)) {
                   1085:            $_ = htmlify_sub {
                   1086:                s{
                   1087:                  (\b([a-zA-Z][\w_.]+)
                   1088:                   (?:
                   1089:                    \( ([0-9n]) \)\B
                   1090:                    |
                   1091:                    \.([0-9n])\b
                   1092:                   )
                   1093:                  )
                   1094:                 }{
1.45.2.58  knu      1095:                     &link($1, sprintf($mancgi, $3 ne '' ? $3 : $4, $2))
1.45.2.56  knu      1096:                 }egx;
                   1097:            } $_;
1.12      fenner   1098:        }
1.45.2.56  knu      1099:     }
1.12      fenner   1100:
1.45.2.56  knu      1101:     $_;
1.45.2.46  knu      1102: }
                   1103:
1.45.2.51  knu      1104: sub spacedHtmlText($;$) {
1.45.2.47  knu      1105:        local $_ = $_[0];
1.45.2.51  knu      1106:        my $ts = $_[1] || $tabstop;
1.45.2.46  knu      1107:
1.45.2.51  knu      1108:        # Cut trailing spaces and tabs
                   1109:        s/[ \t]+$//;
1.45.2.46  knu      1110:
1.45.2.51  knu      1111:         if (defined($ts)) {
                   1112:            # Expand tabs
                   1113:            1 while s/\t+/' ' x (length($&) * $ts - length($`) % $ts)/e
                   1114:        }
1.45.2.46  knu      1115:
                   1116:        # replace <tab> and <space> (\001 is to protect us from htmlify)
                   1117:        # gzip can make excellent use of this repeating pattern :-)
                   1118:        if ($hr_breakable) {
                   1119:            # make every other space 'breakable'
1.45.2.47  knu      1120:            s/  / \001nbsp;/g;                              # 2 * <space>
1.45.2.46  knu      1121:            # leave single space as it is
1.45.2.51  knu      1122:        } else {
1.45.2.47  knu      1123:            s/ /\001nbsp;/g;
1.45.2.46  knu      1124:        }
                   1125:
1.45.2.47  knu      1126:        $_ = htmlify($_);
1.45.2.46  knu      1127:
                   1128:        # unescape
1.45.2.51  knu      1129:        y/\001/&/;
1.45.2.46  knu      1130:
1.45.2.47  knu      1131:        return $_;
1.12      fenner   1132: }
                   1133:
1.45.2.47  knu      1134: sub link($$) {
1.45.2.46  knu      1135:        my($name, $where) = @_;
1.12      fenner   1136:
1.45.2.56  knu      1137:        sprintf '<A HREF="%s">%s</A>', htmlquote($where), $name;
1.12      fenner   1138: }
                   1139:
1.45.2.47  knu      1140: sub revcmp($$) {
1.45.2.46  knu      1141:        my($rev1, $rev2) = @_;
1.45.2.48  knu      1142:
                   1143:        # make no comparison for a tag or a branch
                   1144:        return 0 if $rev1 =~ /[^\d.]/ || $rev2 =~ /[^\d.]/;
                   1145:
1.45.2.46  knu      1146:        my(@r1) = split(/\./, $rev1);
                   1147:        my(@r2) = split(/\./, $rev2);
                   1148:        my($a,$b);
1.12      fenner   1149:
                   1150:        while (($a = shift(@r1)) && ($b = shift(@r2))) {
                   1151:            if ($a != $b) {
                   1152:                return $a <=> $b;
                   1153:            }
                   1154:        }
                   1155:        if (@r1) { return 1; }
                   1156:        if (@r2) { return -1; }
                   1157:        return 0;
                   1158: }
                   1159:
1.45.2.47  knu      1160: sub fatal($$) {
1.45.2.46  knu      1161:        my($errcode, $errmsg) = @_;
                   1162:        if ($is_mod_perl) {
                   1163:                Apache->request->status((split(/ /, $errcode))[0]);
                   1164:        }
                   1165:        else {
                   1166:                print "Status: $errcode\r\n";
                   1167:        }
                   1168:        html_header("Error");
1.12      fenner   1169:        print "Error: $errmsg\n";
                   1170:        print &html_footer;
                   1171:        exit(1);
                   1172: }
                   1173:
1.45.2.47  knu      1174: sub redirect($) {
1.45.2.46  knu      1175:        my($url) = @_;
                   1176:        if ($is_mod_perl) {
                   1177:                Apache->request->status(301);
                   1178:                Apache->request->header_out(Location => $url);
                   1179:        }
                   1180:        else {
                   1181:                print "Status: 301 Moved\r\n";
                   1182:                print "Location: $url\r\n";
                   1183:        }
                   1184:        html_header("Moved");
1.45.2.56  knu      1185:        print "This document is located ", &link('here', $url), "\n";
1.12      fenner   1186:        print &html_footer;
                   1187:        exit(1);
                   1188: }
                   1189:
1.45.2.47  knu      1190: sub safeglob($) {
1.45.2.46  knu      1191:        my ($filename) = @_;
                   1192:        my ($dirname);
                   1193:        my (@results);
                   1194:        my $dh = do {local(*DH);};
1.12      fenner   1195:
                   1196:        ($dirname = $filename) =~ s|/[^/]+$||;
                   1197:        $filename =~ s|.*/||;
                   1198:
1.45.2.46  knu      1199:        if (opendir($dh, $dirname)) {
                   1200:                my $glob = $filename;
                   1201:                my $t;
1.12      fenner   1202:        #       transform filename from glob to regex.  Deal with:
                   1203:        #       [, {, ?, * as glob chars
                   1204:        #       make sure to escape all other regex chars
                   1205:                $glob =~ s/([\.\(\)\|\+])/\\$1/g;
                   1206:                $glob =~ s/\*/.*/g;
                   1207:                $glob =~ s/\?/./g;
                   1208:                $glob =~ s/{([^}]+)}/($t = $1) =~ s-,-|-g; "($t)"/eg;
1.45.2.46  knu      1209:                foreach (readdir($dh)) {
1.12      fenner   1210:                        if (/^${glob}$/) {
1.45.2.56  knu      1211:                                push(@results, "$dirname/" .$_);
1.12      fenner   1212:                        }
                   1213:                }
                   1214:        }
                   1215:
                   1216:        @results;
                   1217: }
                   1218:
1.45.2.47  knu      1219: sub getMimeTypeFromSuffix($) {
1.45.2.46  knu      1220:     my ($fullname) = @_;
                   1221:     my ($mimetype, $suffix);
                   1222:     my $fh = do {local(*FH);};
                   1223:
                   1224:     ($suffix = $fullname) =~ s/^.*\.([^.]*)$/$1/;
                   1225:     $mimetype = $MTYPES{$suffix};
                   1226:     $mimetype = $MTYPES{'*'} if (!$mimetype);
1.45.2.47  knu      1227:
1.45.2.46  knu      1228:     if (!$mimetype && -f $mime_types) {
                   1229:        # okey, this is something special - search the
                   1230:        # mime.types database
                   1231:        open ($fh, "<$mime_types");
                   1232:        while (<$fh>) {
                   1233:            if ($_ =~ /^\s*(\S+\/\S+).*\b$suffix\b/) {
                   1234:                $mimetype = $1;
                   1235:                last;
                   1236:            }
                   1237:        }
                   1238:        close ($fh);
                   1239:     }
1.45.2.47  knu      1240:
1.45.2.46  knu      1241: # okey, didn't find anything useful ..
                   1242:     if (!($mimetype =~ /\S\/\S/)) {
                   1243:        $mimetype = "text/plain";
                   1244:     }
                   1245:     return $mimetype;
                   1246: }
1.12      fenner   1247:
1.45.2.46  knu      1248: ###############################
1.45.2.51  knu      1249: # read first lines like head(1)
                   1250: ###############################
                   1251: sub head($;$) {
                   1252:     my $fh = $_[0];
                   1253:     my $linecount = $_[1] || 10;
                   1254:
                   1255:     my @buf;
                   1256:
                   1257:     if ($linecount > 0) {
                   1258:        my $i;
                   1259:        for ($i = 0; !eof($fh) && $i < $linecount; $i++) {
                   1260:            push @buf, scalar <$fh>;
                   1261:        }
                   1262:     } else {
                   1263:        @buf = <$fh>;
                   1264:     }
                   1265:
                   1266:     @buf;
                   1267: }
                   1268:
                   1269: ###############################
                   1270: # scan vim and Emacs directives
                   1271: ###############################
                   1272: sub scan_directives(@) {
                   1273:     my $ts = undef;
                   1274:
                   1275:     for (@_) {
                   1276:        $ts = $1 if /\b(?:ts|tabstop|tab-width)[:=]\s*([1-9]\d*)\b/;
                   1277:     }
                   1278:
                   1279:     ('tabstop' => $ts);
                   1280: }
                   1281:
                   1282: ###############################
1.45.2.46  knu      1283: # show Annotation
                   1284: ###############################
1.45.2.47  knu      1285: sub doAnnotate($$) {
1.45.2.46  knu      1286:     my ($rev) = @_;
                   1287:     my ($pid);
                   1288:     my ($pathname, $filename);
                   1289:     my $reader = do {local(*FH);};
                   1290:     my $writer = do {local(*FH);};
                   1291:
                   1292:     # make sure the revisions a wellformed, for security
                   1293:     # reasons ..
1.45.2.48  knu      1294:     if ($rev =~ /[^\w.]/) {
1.45.2.46  knu      1295:        &fatal("404 Not Found",
                   1296:                "Malformed query \"$ENV{QUERY_STRING}\"");
                   1297:     }
                   1298:
                   1299:     ($pathname = $where) =~ s/(Attic\/)?[^\/]*$//;
                   1300:     ($filename = $where) =~ s/^.*\///;
                   1301:
                   1302:     # this seems to be necessary
                   1303:     $| = 1; $| = 0; # Flush
                   1304:
                   1305:     # this annotate version is based on the
                   1306:     # cvs annotate-demo Perl script by Cyclic Software
                   1307:     # It was written by Cyclic Software, http://www.cyclic.com/, and is in
                   1308:     # the public domain.
                   1309:     # we could abandon the use of rlog, rcsdiff and co using
                   1310:     # the cvsserver in a similiar way one day (..after rewrite)
1.45.2.53  knu      1311:     $pid = open2($reader, $writer, "cvs -Rl server") || fatal ("500 Internal Error",
1.45.2.46  knu      1312:                                                               "Fatal Error - unable to open cvs for annotation");
1.45.2.47  knu      1313:
1.45.2.46  knu      1314:     # OK, first send the request to the server.  A simplified example is:
                   1315:     #     Root /home/kingdon/zwork/cvsroot
                   1316:     #     Argument foo/xx
                   1317:     #     Directory foo
                   1318:     #     /home/kingdon/zwork/cvsroot/foo
                   1319:     #     Directory .
                   1320:     #     /home/kingdon/zwork/cvsroot
                   1321:     #     annotate
                   1322:     # although as you can see there are a few more details.
1.45.2.47  knu      1323:
1.45.2.46  knu      1324:     print $writer "Root $cvsroot\n";
                   1325:     print $writer "Valid-responses ok error Valid-requests Checked-in Updated Merged Removed M E\n";
                   1326:     # Don't worry about sending valid-requests, the server just needs to
                   1327:     # support "annotate" and if it doesn't, there isn't anything to be done.
                   1328:     print $writer "UseUnchanged\n";
                   1329:     print $writer "Argument -r\n";
                   1330:     print $writer "Argument $rev\n";
                   1331:     print $writer "Argument $where\n";
                   1332:
                   1333:     # The protocol requires us to fully fake a working directory (at
                   1334:     # least to the point of including the directories down to the one
                   1335:     # containing the file in question).
                   1336:     # So if $where is "dir/sdir/file", then @dirs will be ("dir","sdir","file")
                   1337:     my @dirs = split('/', $where);
                   1338:     my $path = "";
                   1339:     foreach (@dirs) {
                   1340:        if ($path eq "") {
                   1341:            # In our example, $_ is "dir".
                   1342:            $path = $_;
1.45.2.47  knu      1343:        }
1.45.2.46  knu      1344:        else {
                   1345:            print $writer "Directory $path\n";
                   1346:            print $writer "$cvsroot/$path\n";
                   1347:            # In our example, $_ is "sdir" and $path becomes "dir/sdir"
                   1348:            # And the next time, "file" and "dir/sdir/file" (which then gets
                   1349:            # ignored, because we don't need to send Directory for the file).
                   1350:             $path .= "/$_";
1.12      fenner   1351:        }
1.45.2.46  knu      1352:     }
                   1353:     # And the last "Directory" before "annotate" is the top level.
                   1354:     print $writer "Directory .\n";
                   1355:     print $writer "$cvsroot\n";
1.45.2.47  knu      1356:
1.45.2.46  knu      1357:     print $writer "annotate\n";
                   1358:     # OK, we've sent our command to the server.  Thing to do is to
                   1359:     # close the writer side and get all the responses.  If "cvs server"
                   1360:     # were nicer about buffering, then we could just leave it open, I think.
                   1361:     close ($writer) || die "cannot close: $!";
1.45.2.47  knu      1362:
1.45.2.54  knu      1363:     http_header();
                   1364:
                   1365:     navigateHeader($scriptwhere,$pathname,$filename,$rev, "annotate");
                   1366:     print "<h3 align=center>Annotation of $pathname$filename, Revision $rev</h3>\n";
                   1367:
1.45.2.46  knu      1368:     # Ready to get the responses from the server.
                   1369:     # For example:
                   1370:     #     E Annotations for foo/xx
                   1371:     #     E ***************
1.45.2.47  knu      1372:     #     M 1.3          (kingdon  06-Sep-97): hello
1.45.2.46  knu      1373:     #     ok
                   1374:     my ($lineNr) = 0;
                   1375:     my ($oldLrev, $oldLusr) = ("", "");
                   1376:     my ($revprint, $usrprint);
                   1377:     if ($annTable) {
                   1378:        print "<table border=0 cellspacing=0 cellpadding=0>\n";
                   1379:     }
                   1380:     else {
                   1381:        print "<pre>";
                   1382:     }
1.45.2.51  knu      1383:
                   1384:     # prefetch several lines
                   1385:     my @buf = head($reader);
                   1386:
                   1387:     my %d = scan_directives(@buf);
                   1388:
                   1389:     while (@buf || !eof($reader)) {
                   1390:        $_ = @buf ? shift @buf : <$reader>;
                   1391:
1.45.2.46  knu      1392:        my @words = split;
                   1393:        # Adding one is for the (single) space which follows $words[0].
                   1394:        my $rest = substr ($_, length ($words[0]) + 1);
                   1395:        if ($words[0] eq "E") {
                   1396:            next;
                   1397:        }
                   1398:        elsif ($words[0] eq "M") {
                   1399:            $lineNr++;
1.45.2.54  knu      1400:            (my $lrev = substr($_, 2, 13)) =~ y/ //d;
                   1401:            (my $lusr = substr($_, 16,  9)) =~ y/ //d;
                   1402:            my $line = substr($_, 36);
                   1403:            my $isCurrentRev = ($rev eq $lrev);
1.45.2.46  knu      1404:            # we should parse the date here ..
                   1405:            if ($lrev eq $oldLrev) {
1.45.2.54  knu      1406:                $revprint = sprintf('%-8s', '');
1.45.2.46  knu      1407:            }
                   1408:            else {
1.45.2.54  knu      1409:                $revprint = sprintf('%-8s', $lrev);
1.45.2.56  knu      1410:                $revprint =~ s`\S+`&link($&, "$scriptwhere$query#rev$&")`e;     # `
1.45.2.54  knu      1411:                $oldLusr = '';
1.45.2.46  knu      1412:            }
                   1413:            if ($lusr eq $oldLusr) {
1.45.2.54  knu      1414:                $usrprint = '';
1.45.2.46  knu      1415:            }
                   1416:            else {
                   1417:                $usrprint = $lusr;
                   1418:            }
                   1419:            $oldLrev = $lrev;
                   1420:            $oldLusr = $lusr;
1.45.2.47  knu      1421:
1.45.2.54  knu      1422:            # Set bold for text-based browsers only - graphical
                   1423:            # browsers show bold fonts a bit wider than regular fonts,
                   1424:            # so it looks irregular.
                   1425:            print "<b>" if ($isCurrentRev && $is_textbased);
                   1426:
1.45.2.55  knu      1427:            printf "%s%s %-8s %4d:",
1.45.2.54  knu      1428:                    $revprint,
                   1429:                    $isCurrentRev ? '!' : ' ',
                   1430:                    $usrprint,
1.45.2.55  knu      1431:                    $lineNr;
1.45.2.51  knu      1432:            print spacedHtmlText($line, $d{'tabstop'});
1.45.2.54  knu      1433:
                   1434:            print "</b>" if ($isCurrentRev && $is_textbased);
1.45.2.46  knu      1435:        }
                   1436:        elsif ($words[0] eq "ok") {
                   1437:            # We could complain about any text received after this, like the
                   1438:            # CVS command line client.  But for simplicity, we don't.
                   1439:        }
                   1440:        elsif ($words[0] eq "error") {
1.45.2.56  knu      1441:            fatal("500 Internal Error", "Error occured during annotate: <b>$_</b>");
1.45.2.46  knu      1442:        }
                   1443:     }
                   1444:     if ($annTable) {
                   1445:        print "</table>";
                   1446:     }
                   1447:     else {
                   1448:        print "</pre>";
                   1449:     }
                   1450:     close ($reader) || warn "cannot close: $!";
                   1451:     wait;
                   1452: }
                   1453:
                   1454: ###############################
                   1455: # make Checkout
                   1456: ###############################
1.45.2.47  knu      1457: sub doCheckout($$) {
1.45.2.46  knu      1458:     my ($fullname, $rev) = @_;
                   1459:     my ($mimetype,$revopt);
                   1460:     my $fh = do {local(*FH);};
                   1461:
1.45.2.48  knu      1462:     if ($rev eq 'HEAD' || $rev eq '.') {
                   1463:        $rev = undef;
                   1464:     }
                   1465:
1.45.2.46  knu      1466:     # make sure the revisions a wellformed, for security
                   1467:     # reasons ..
1.45.2.48  knu      1468:     if (defined($rev) && $rev =~ /[^\w.]/) {
1.45.2.46  knu      1469:        &fatal("404 Not Found",
                   1470:                "Malformed query \"$ENV{QUERY_STRING}\"");
                   1471:     }
                   1472:
                   1473:     # get mimetype
                   1474:     if (defined($input{"content-type"}) && ($input{"content-type"} =~ /\S\/\S/)) {
                   1475:        $mimetype = $input{"content-type"}
                   1476:     }
                   1477:     else {
                   1478:        $mimetype = &getMimeTypeFromSuffix($fullname);
                   1479:     }
                   1480:
                   1481:     if (defined($rev)) {
                   1482:        $revopt = "-r$rev";
                   1483:        if ($use_moddate) {
                   1484:            readLog($fullname,$rev);
                   1485:            $moddate=$date{$rev};
                   1486:        }
                   1487:     }
                   1488:     else {
                   1489:        $revopt = "-rHEAD";
                   1490:        if ($use_moddate) {
                   1491:            readLog($fullname);
                   1492:            $moddate=$date{$symrev{HEAD}};
                   1493:        }
                   1494:     }
1.45.2.47  knu      1495:
1.45.2.46  knu      1496:     ### just for the record:
                   1497:     ### 'cvs co' seems to have a bug regarding single checkout of
                   1498:     ### directories/files having spaces in it;
                   1499:     ### this is an issue that should be resolved on cvs's side
                   1500:     #
                   1501:     # Safely for a child process to read from.
                   1502:     if (! open($fh, "-|")) { # child
                   1503:       open(STDERR, ">&STDOUT"); # Redirect stderr to stdout
1.45.2.48  knu      1504:       exec("cvs", "-Rld", $cvsroot, "co", "-p", $revopt, $where);
1.45.2.47  knu      1505:     }
1.45.2.58  knu      1506:
                   1507:     if (eof($fh)) {
                   1508:        &fatal("404 Not Found",
                   1509:               "$where is not (any longer) pertinent");
                   1510:     }
1.45.2.46  knu      1511: #===================================================================
                   1512: #Checking out squid/src/ftp.c
                   1513: #RCS:  /usr/src/CVS/squid/src/ftp.c,v
                   1514: #VERS: 1.1.1.28.6.2
                   1515: #***************
                   1516:
                   1517:     # Parse CVS header
                   1518:     my ($revision, $filename, $cvsheader);
                   1519:     while(<$fh>) {
                   1520:        last if (/^\*\*\*\*/);
                   1521:        $revision = $1 if (/^VERS: (.*)$/);
                   1522:        if (/^Checking out (.*)$/) {
                   1523:                $filename = $1;
                   1524:                $filename =~ s/^\.\/*//;
                   1525:        }
                   1526:        $cvsheader .= $_;
                   1527:     }
                   1528:     if ($filename ne $where) {
                   1529:        &fatal("500 Internal Error",
1.45.2.58  knu      1530:               "Unexpected output from cvs co: $cvsheader");
1.45.2.46  knu      1531:     }
                   1532:     $| = 1;
                   1533:
                   1534:     if ($mimetype eq "text/x-cvsweb-markup") {
                   1535:        &cvswebMarkup($fh,$fullname,$revision);
                   1536:     }
                   1537:     else {
                   1538:        http_header($mimetype);
                   1539:        print <$fh>;
                   1540:     }
                   1541:     close($fh);
                   1542: }
                   1543:
1.45.2.47  knu      1544: sub cvswebMarkup($$$) {
1.45.2.46  knu      1545:     my ($filehandle,$fullname,$revision) = @_;
                   1546:     my ($pathname, $filename);
                   1547:
                   1548:     ($pathname = $where) =~ s/(Attic\/)?[^\/]*$//;
                   1549:     ($filename = $where) =~ s/^.*\///;
                   1550:     my ($fileurl) = urlencode($filename);
                   1551:
                   1552:     http_header();
                   1553:
1.45.2.47  knu      1554:     navigateHeader($scriptwhere, $pathname, $filename, $revision, "view");
1.45.2.46  knu      1555:     print "<HR noshade>";
                   1556:     print "<table width=\"100%\"><tr><td bgcolor=\"$markupLogColor\">";
                   1557:     print "File: ", &clickablePath($where, 1);
1.45.2.56  knu      1558:     print "&nbsp;(";
                   1559:     &download_link($fileurl, $revision, "download");
                   1560:     print ")";
1.45.2.46  knu      1561:     if (!$defaultTextPlain) {
1.45.2.56  knu      1562:        print "&nbsp;(";
                   1563:        &download_link($fileurl, $revision, "as text",
1.45.2.46  knu      1564:               "text/plain");
1.45.2.56  knu      1565:        print ")";
1.45.2.46  knu      1566:     }
                   1567:     print "<BR>\n";
                   1568:     if ($show_log_in_markup) {
                   1569:        readLog($fullname); #,$revision);
                   1570:        printLog($revision,0);
                   1571:     }
                   1572:     else {
                   1573:        print "Version: <B>$revision</B><BR>\n";
                   1574:        print "Tag: <B>", $input{only_with_tag}, "</b><br>\n" if
                   1575:            $input{only_with_tag};
                   1576:     }
                   1577:     print "</td></tr></table>";
                   1578:     my $url = download_url($fileurl, $revision, $mimetype);
                   1579:     print "<HR noshade>";
                   1580:     if ($mimetype =~ /^image/) {
1.45.2.56  knu      1581:        printf '<IMG SRC="%s"><BR>', htmlquote("$url$barequery");
1.45.2.46  knu      1582:     }
1.45.2.51  knu      1583:     elsif ($mimetype =~ m%^application/pdf%) {
1.45.2.56  knu      1584:        printf '<EMBED SRC="%s" WIDTH="100%"><BR>', htmlquote("$url$barequery");
1.45.2.51  knu      1585:     }
1.45.2.46  knu      1586:     else {
                   1587:        print "<PRE>";
1.45.2.51  knu      1588:
                   1589:        # prefetch several lines
                   1590:        my @buf = head($filehandle);
                   1591:
                   1592:        my %d = scan_directives(@buf);
                   1593:
                   1594:        while (@buf || !eof($filehandle)) {
                   1595:            $_ = @buf ? shift @buf : <$filehandle>;
                   1596:
                   1597:            print spacedHtmlText($_, $d{'tabstop'});
1.12      fenner   1598:        }
1.45.2.46  knu      1599:        print "</PRE>";
                   1600:     }
1.12      fenner   1601: }
                   1602:
1.45.2.46  knu      1603: sub viewable($) {
                   1604:     my ($mimetype) = @_;
                   1605:
1.45.2.51  knu      1606:     $mimetype =~ m%^((text|image)/|application/pdf)% ;
1.45.2.46  knu      1607: }
                   1608:
                   1609: ###############################
                   1610: # Show Colored Diff
                   1611: ###############################
1.45.2.47  knu      1612: sub doDiff($$$$$$) {
1.45.2.46  knu      1613:        my($fullname, $r1, $tr1, $r2, $tr2, $f) = @_;
                   1614:         my $fh = do {local(*FH);};
1.45.2.56  knu      1615:        my ($rev1, $rev2, $sym1, $sym2, $f1, $f2);
1.12      fenner   1616:
                   1617:        if ($r1 =~ /([^:]+)(:(.+))?/) {
                   1618:            $rev1 = $1;
                   1619:            $sym1 = $3;
                   1620:        }
1.45.2.46  knu      1621:        if ($r1 eq 'text') {
1.12      fenner   1622:            $rev1 = $tr1;
1.45.2.46  knu      1623:            $sym1 = "";
1.12      fenner   1624:        }
                   1625:        if ($r2 =~ /([^:]+)(:(.+))?/) {
                   1626:            $rev2 = $1;
                   1627:            $sym2 = $3;
                   1628:        }
1.45.2.46  knu      1629:        if ($r2 eq 'text') {
1.12      fenner   1630:            $rev2 = $tr2;
1.45.2.46  knu      1631:            $sym2 = "";
1.12      fenner   1632:        }
1.45.2.48  knu      1633:
1.45.2.46  knu      1634:        # make sure the revisions a wellformed, for security
                   1635:        # reasons ..
1.45.2.48  knu      1636:        if ($rev1 =~ /[^\w.]/ || $rev2 =~ /[^\w.]/) {
1.12      fenner   1637:            &fatal("404 Not Found",
1.45.2.46  knu      1638:                    "Malformed query \"$ENV{QUERY_STRING}\"");
1.12      fenner   1639:        }
                   1640: #
                   1641: # rev1 and rev2 are now both numeric revisions.
                   1642: # Thus we do a DWIM here and swap them if rev1 is after rev2.
                   1643: # XXX should we warn about the fact that we do this?
                   1644:        if (&revcmp($rev1,$rev2) > 0) {
1.45.2.46  knu      1645:            my ($tmp1, $tmp2) = ($rev1, $sym1);
1.12      fenner   1646:            ($rev1, $sym1) = ($rev2, $sym2);
                   1647:            ($rev2, $sym2) = ($tmp1, $tmp2);
                   1648:        }
1.45.2.56  knu      1649:        my $difftype = $DIFFTYPES{$f};
                   1650:
                   1651:        if (!$difftype) {
1.45.2.46  knu      1652:            fatal ("400 Bad arguments", "Diff format $f not understood");
                   1653:        }
                   1654:
1.45.2.56  knu      1655:        my @difftype       = @{$difftype->{'opts'}};
                   1656:        my $human_readable = $difftype->{'colored'};
                   1657:
1.45.2.46  knu      1658:        # apply special options
                   1659:        if ($showfunc) {
1.45.2.56  knu      1660:            push @difftype, '-p' if $f ne 's';
1.45.2.46  knu      1661:
                   1662:            my($re1, $re2);
                   1663:
                   1664:            while (($re1, $re2) = each %funcline_regexp) {
                   1665:                if ($fullname =~ /$re1/) {
                   1666:                    push @difftype, '-F', '$re2';
                   1667:                    last;
                   1668:                }
                   1669:            }
                   1670:        }
                   1671:        if ($human_readable) {
                   1672:            if ($hr_ignwhite) {
                   1673:                push @difftype, '-w';
                   1674:            }
                   1675:            if ($hr_ignkeysubst) {
                   1676:                push @difftype, '-kk';
                   1677:            }
                   1678:        }
                   1679:        if (! open($fh, "-|")) { # child
1.44      knu      1680:            open(STDERR, ">&STDOUT"); # Redirect stderr to stdout
1.45.2.46  knu      1681:            exec("rcsdiff",@difftype,"-r$rev1","-r$rev2",$fullname);
                   1682:        }
                   1683:        if ($human_readable) {
                   1684:            http_header();
                   1685:            &human_readable_diff($fh, $rev2);
1.45.2.52  knu      1686:            gzipclose();
1.45.2.46  knu      1687:            exit;
                   1688:        }
                   1689:        else {
                   1690:            http_header("text/plain");
1.44      knu      1691:        }
1.12      fenner   1692: #
                   1693: #===================================================================
                   1694: #RCS file: /home/ncvs/src/sys/netinet/tcp_output.c,v
                   1695: #retrieving revision 1.16
                   1696: #retrieving revision 1.17
                   1697: #diff -c -r1.16 -r1.17
                   1698: #*** /home/ncvs/src/sys/netinet/tcp_output.c     1995/11/03 22:08:08     1.16
                   1699: #--- /home/ncvs/src/sys/netinet/tcp_output.c     1995/12/05 17:46:35     1.17
                   1700: #
                   1701: # Ideas:
                   1702: # - nuke the stderr output if it's what we expect it to be
                   1703: # - Add "no differences found" if the diff command supplied no output.
                   1704: #
                   1705: #*** src/sys/netinet/tcp_output.c     1995/11/03 22:08:08     1.16
                   1706: #--- src/sys/netinet/tcp_output.c     1995/12/05 17:46:35     1.17 RELENG_2_1_0
                   1707: # (bogus example, but...)
                   1708: #
1.45.2.46  knu      1709:        if (grep { $_ eq '-u'} @difftype) {
1.12      fenner   1710:            $f1 = '---';
                   1711:            $f2 = '\+\+\+';
1.45.2.46  knu      1712:        }
                   1713:        else {
1.12      fenner   1714:            $f1 = '\*\*\*';
                   1715:            $f2 = '---';
                   1716:        }
1.45.2.46  knu      1717:        while (<$fh>) {
1.12      fenner   1718:            if (m|^$f1 $cvsroot|o) {
                   1719:                s|$cvsroot/||o;
                   1720:                if ($sym1) {
                   1721:                    chop;
1.45.2.56  knu      1722:                    $_ .= " $sym1\n";
1.12      fenner   1723:                }
1.45.2.46  knu      1724:            }
                   1725:            elsif (m|^$f2 $cvsroot|o) {
1.12      fenner   1726:                s|$cvsroot/||o;
                   1727:                if ($sym2) {
                   1728:                    chop;
1.45.2.56  knu      1729:                    $_ .= " $sym2\n";
1.12      fenner   1730:                }
                   1731:            }
                   1732:            print $_;
                   1733:        }
1.45.2.46  knu      1734:        close($fh);
1.12      fenner   1735: }
                   1736:
1.45.2.46  knu      1737: ###############################
                   1738: # Show Logs ..
                   1739: ###############################
1.45.2.47  knu      1740: sub getDirLogs($$@) {
1.45.2.46  knu      1741:     my ($cvsroot,$dirname,@otherFiles) = @_;
                   1742:     my ($state,$otherFiles,$tag, $file, $date, $branchpoint, $branch, $log);
                   1743:     my ($rev, $revision, $revwanted, $filename, $head, $author);
                   1744:
                   1745:     $tag = $input{only_with_tag};
                   1746:
                   1747:     my ($DirName) = "$cvsroot/$where";
                   1748:     my (@files, @filetags);
                   1749:     my $fh = do {local(*FH);};
                   1750:
                   1751:     push(@files, &safeglob("$DirName/*,v"));
                   1752:     push(@files, &safeglob("$DirName/Attic/*,v")) if (!$input{'hideattic'});
                   1753:     foreach $file (@otherFiles) {
                   1754:        push(@files, "$DirName/$file");
                   1755:     }
                   1756:
                   1757:     # just execute rlog if there are any files
1.45.2.47  knu      1758:     if ($#files < 0) {
1.45.2.46  knu      1759:        return;
                   1760:     }
                   1761:
                   1762:     if ($tag) {
                   1763:        #can't use -r<tag> as - is allowed in tagnames, but misinterpreated by rlog..
                   1764:        if (! open($fh, "-|")) {
                   1765:                open(STDERR, '>/dev/null'); # rlog may complain; ignore.
                   1766:                exec('rlog', @files);
                   1767:        }
                   1768:     }
                   1769:     else {
                   1770:        my $kidpid = open($fh, "-|");
                   1771:        if (! $kidpid) {
                   1772:                open(STDERR, '>/dev/null'); # rlog may complain; ignore.
                   1773:                exec('rlog', '-r', @files);
                   1774:        }
                   1775:     }
                   1776:     $state = "start";
                   1777:     while (<$fh>) {
                   1778:        if ($state eq "start") {
                   1779:            #Next file. Initialize file variables
                   1780:            $rev = undef;
                   1781:            $revwanted = undef;
                   1782:            $branch = undef;
                   1783:            $branchpoint = undef;
                   1784:            $filename = undef;
                   1785:            $log = undef;
                   1786:            $revision = undef;
                   1787:            $branch = undef;
                   1788:            %symrev = ();
                   1789:            @filetags = ();
                   1790:            #jump to head state
                   1791:            $state = "head";
                   1792:        }
                   1793:        print "$state:$_" if ($verbose);
                   1794: again:
                   1795:        if ($state eq "head") {
                   1796:            #$rcsfile = $1 if (/^RCS file: (.+)$/); #not used (yet)
1.45.2.58  knu      1797:
                   1798:            if (/^Working file: (.+)$/) {
                   1799:                $filename = $1;
                   1800:            } elsif (/^head: (.+)$/) {
                   1801:                $head = $1;
                   1802:            } elsif (/^branch: (.+)$/) {
                   1803:                $branch = $1
                   1804:            } elsif (/^symbolic names:/) {
                   1805:                $state = "tags";
                   1806:                ($branch = $head) =~ s/\.\d+$// if (!defined($branch));
1.45.2.59  knu      1807:                $branch =~ s/(\d+)$/0.$1/;
1.45.2.58  knu      1808:                $symrev{MAIN} = $branch;
                   1809:                $symrev{HEAD} = $branch;
                   1810:                $alltags{MAIN} = 1;
                   1811:                $alltags{HEAD} = 1;
                   1812:                push (@filetags, "MAIN", "HEAD");
                   1813:            } elsif (/$LOG_REVSEPARATOR/o) {
                   1814:                $state = "log";
                   1815:                $rev = undef;
                   1816:                $date = undef;
                   1817:                $log = "";
                   1818:                # Try to reconstruct the relative filename if RCS spits out a full path
                   1819:                $filename =~ s%^\Q$DirName\E/%%;
                   1820:            }
1.45.2.46  knu      1821:            next;
                   1822:        }
1.45.2.58  knu      1823:        if ($state eq "tags") {
                   1824:            if (/^\s+(.+):\s+([\d\.]+)\s+$/) {
                   1825:                push (@filetags, $1);
                   1826:                $symrev{$1} = $2;
                   1827:                $alltags{$1} = 1;
1.45.2.46  knu      1828:                next;
1.45.2.58  knu      1829:            } elsif (/^\S/) {
                   1830:                if (defined($tag)) {
                   1831:                    if(defined($symrev{$tag}) || $tag eq "HEAD") {
                   1832:                        $revwanted = $symrev{$tag eq "HEAD" ? "MAIN" : $tag};
1.45.2.59  knu      1833:                        ($branch = $revwanted) =~ s/\b0\.//;
1.45.2.58  knu      1834:                        ($branchpoint = $branch) =~ s/\.?\d+$//;
                   1835:                        $revwanted = undef if ($revwanted ne $branch);
                   1836:                    } elsif ($tag ne "HEAD") {
                   1837:                        print "Tag not found, skip this file" if ($verbose);
                   1838:                        $state = "skip";
                   1839:                        next;
                   1840:                    }
                   1841:                }
                   1842:                foreach my $tagfound (@filetags) {
                   1843:                    $tags{$tagfound} = 1;
                   1844:                }
                   1845:                $state = "head";
                   1846:                goto again;
1.45.2.46  knu      1847:            }
                   1848:        }
                   1849:        if ($state eq "log") {
1.45.2.55  knu      1850:            if (/$LOG_REVSEPARATOR/o || /$LOG_FILESEPARATOR/o) {
1.45.2.46  knu      1851:                # End of a log entry.
                   1852:                my $revbranch;
                   1853:                ($revbranch = $rev) =~ s/\.\d+$//;
1.45.2.56  knu      1854:                print "$filename $rev Wanted: $revwanted ",
                   1855:                  "Revbranch: $revbranch Branch: $branch ",
                   1856:                    "Branchpoint: $branchpoint\n" if ($verbose);
1.45.2.46  knu      1857:                if (!defined($revwanted) && defined($branch)
                   1858:                    && $branch eq $revbranch || !defined($tag)) {
                   1859:                    print "File revision $rev found for branch $branch\n"
                   1860:                        if ($verbose);
                   1861:                    $revwanted = $rev;
                   1862:                }
                   1863:                if (defined($revwanted) ? $rev eq $revwanted :
                   1864:                    defined($branchpoint) ? $rev eq $branchpoint :
                   1865:                    0 && ($rev eq $head)) { # Don't think head is needed here..
                   1866:                    print "File info $rev found for $filename\n" if ($verbose);
                   1867:                    my @finfo = ($rev,$date,$log,$author,$filename);
                   1868:                    my ($name);
                   1869:                    ($name = $filename) =~ s%/.*%%;
                   1870:                    $fileinfo{$name} = [ @finfo ];
                   1871:                    $state = "done" if ($rev eq $revwanted);
                   1872:                }
                   1873:                $rev = undef;
                   1874:                $date = undef;
                   1875:                $log = "";
                   1876:            }
                   1877:            elsif (!defined($date) && m|^date:\s+(\d+)/(\d+)/(\d+)\s+(\d+):(\d+):(\d+);|) {
                   1878:                my $yr = $1;
                   1879:                # damn 2-digit year routines :-)
                   1880:                if ($yr > 100) {
                   1881:                    $yr -= 1900;
                   1882:                }
                   1883:                $date = &Time::Local::timegm($6,$5,$4,$3,$2 - 1,$yr);
                   1884:                ($author) = /author: ([^;]+)/;
                   1885:                $state = "log";
                   1886:                $log = '';
                   1887:                next;
                   1888:            }
                   1889:            elsif (!defined($rev) && m/^revision (.*)$/) {
                   1890:                $rev = $1;
                   1891:                next;
                   1892:            }
                   1893:            else {
1.45.2.56  knu      1894:                $log .= $_;
1.45.2.46  knu      1895:            }
                   1896:        }
1.45.2.55  knu      1897:        if (/$LOG_FILESEPARATOR/o) {
1.45.2.46  knu      1898:            $state = "start";
                   1899:            next;
                   1900:        }
                   1901:     }
                   1902:     if ($. == 0) {
1.45.2.47  knu      1903:        fatal("500 Internal Error",
1.45.2.46  knu      1904:              "Failed to spawn GNU rlog on <em>'".join(", ", @files)."'</em><p>did you set the <b>\$ENV{PATH}</b> in your configuration file correctly ?");
                   1905:     }
                   1906:     close($fh);
                   1907: }
                   1908:
1.45.2.47  knu      1909: sub readLog($;$) {
1.45.2.46  knu      1910:        my($fullname,$revision) = @_;
                   1911:        my ($symnames, $head, $rev, $br, $brp, $branch, $branchrev);
                   1912:        my $fh = do {local(*FH);};
                   1913:
                   1914:        if (defined($revision)) {
                   1915:            $revision = "-r$revision";
                   1916:        }
                   1917:        else {
                   1918:            $revision = "";
                   1919:        }
                   1920:
                   1921:        undef %symrev;
                   1922:        undef %revsym;
                   1923:        undef @allrevisions;
                   1924:        undef %date;
                   1925:        undef %author;
                   1926:        undef %state;
                   1927:        undef %difflines;
                   1928:        undef %log;
1.12      fenner   1929:
                   1930:        print("Going to rlog '$fullname'\n") if ($verbose);
1.45.2.46  knu      1931:        if (! open($fh, "-|")) { # child
                   1932:                if ($revision ne '') {
                   1933:                        exec("rlog",$revision,$fullname);
                   1934:                }
                   1935:                else {
                   1936:                        exec("rlog",$fullname);
                   1937:                }
1.44      knu      1938:        }
1.45.2.46  knu      1939:        while (<$fh>) {
1.1       jfieber  1940:            print if ($verbose);
                   1941:            if ($symnames) {
                   1942:                if (/^\s+([^:]+):\s+([\d\.]+)/) {
                   1943:                    $symrev{$1} = $2;
1.45.2.46  knu      1944:                }
                   1945:                else {
1.1       jfieber  1946:                    $symnames = 0;
                   1947:                }
1.45.2.46  knu      1948:            }
                   1949:            elsif (/^head:\s+([\d\.]+)/) {
                   1950:                $head = $1;
                   1951:            }
                   1952:            elsif (/^branch:\s+([\d\.]+)/) {
                   1953:                $curbranch = $1;
                   1954:            }
                   1955:            elsif (/^symbolic names/) {
1.1       jfieber  1956:                $symnames = 1;
1.45.2.46  knu      1957:            }
                   1958:            elsif (/^-----/) {
1.1       jfieber  1959:                last;
                   1960:            }
                   1961:        }
1.45.2.46  knu      1962:        ($curbranch = $head) =~ s/\.\d+$// if (!defined($curbranch));
1.7       fenner   1963:
1.1       jfieber  1964: # each log entry is of the form:
                   1965: # ----------------------------
                   1966: # revision 3.7.1.1
                   1967: # date: 1995/11/29 22:15:52;  author: fenner;  state: Exp;  lines: +5 -3
                   1968: # log info
                   1969: # ----------------------------
                   1970:        logentry:
1.45.2.55  knu      1971:        while (!/$LOG_FILESEPARATOR/o) {
1.45.2.46  knu      1972:            $_ = <$fh>;
1.12      fenner   1973:            last logentry if (!defined($_));    # EOF
1.1       jfieber  1974:            print "R:", $_ if ($verbose);
                   1975:            if (/^revision ([\d\.]+)/) {
                   1976:                $rev = $1;
1.45.2.46  knu      1977:                unshift(@allrevisions,$rev);
                   1978:            }
1.45.2.55  knu      1979:            elsif (/$LOG_FILESEPARATOR/o || /$LOG_REVSEPARATOR/o) {
1.1       jfieber  1980:                next logentry;
1.45.2.46  knu      1981:            }
                   1982:            else {
1.12      fenner   1983:                # The rlog output is syntactically ambiguous.  We must
                   1984:                # have guessed wrong about where the end of the last log
                   1985:                # message was.
                   1986:                # Since this is likely to happen when people put rlog output
                   1987:                # in their commit messages, don't even bother keeping
                   1988:                # these lines since we don't know what revision they go with
                   1989:                # any more.
                   1990:                next logentry;
                   1991: #              &fatal("500 Internal Error","Error parsing RCS output: $_");
1.1       jfieber  1992:            }
1.45.2.46  knu      1993:            $_ = <$fh>;
1.1       jfieber  1994:            print "D:", $_ if ($verbose);
1.45.2.46  knu      1995:            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+-]+))?|) {
                   1996:                my $yr = $1;
                   1997:                 # damn 2-digit year routines :-)
                   1998:                 if ($yr > 100) {
                   1999:                     $yr -= 1900;
                   2000:                 }
                   2001:                $date{$rev} = &Time::Local::timegm($6,$5,$4,$3,$2 - 1,$yr);
1.1       jfieber  2002:                $author{$rev} = $7;
1.9       fenner   2003:                $state{$rev} = $8;
1.45.2.46  knu      2004:                $difflines{$rev} = $10;
                   2005:            }
                   2006:            else {
1.1       jfieber  2007:                &fatal("500 Internal Error", "Error parsing RCS output: $_");
                   2008:            }
                   2009:            line:
1.45.2.46  knu      2010:            while (<$fh>) {
1.1       jfieber  2011:                print "L:", $_ if ($verbose);
                   2012:                next line if (/^branches:\s/);
1.45.2.55  knu      2013:                last line if (/$LOG_FILESEPARATOR/o || /$LOG_REVSEPARATOR/o);
1.1       jfieber  2014:                $log{$rev} .= $_;
                   2015:            }
                   2016:            print "E:", $_ if ($verbose);
                   2017:        }
1.45.2.46  knu      2018:        close($fh);
1.1       jfieber  2019:        print "Done reading RCS file\n" if ($verbose);
1.45.2.46  knu      2020:
                   2021:        @revorder = reverse sort {revcmp($a,$b)} @allrevisions;
                   2022:        print "Done sorting revisions",join(" ",@revorder),"\n" if ($verbose);
                   2023:
1.1       jfieber  2024: #
                   2025: # HEAD is an artificial tag which is simply the highest tag number on the main
1.8       fenner   2026: # branch, unless there is a branch tag in the RCS file in which case it's the
                   2027: # highest revision on that branch.  Find it by looking through @revorder; it
                   2028: # is the first commit listed on the appropriate branch.
1.45.2.46  knu      2029: # This is not neccesary the same revision as marked as head in the RCS file.
                   2030:        my $headrev = $curbranch || "1";
1.45.2.59  knu      2031:        ($symrev{"MAIN"} = $headrev) =~ s/(\d+)$/0.$1/;
1.45.2.46  knu      2032:        foreach $rev (@revorder) {
                   2033:            if ($rev =~ /^(\S*)\.\d+$/ && $headrev eq $1) {
                   2034:                $symrev{"HEAD"} = $rev;
1.45.2.58  knu      2035:                last;
1.1       jfieber  2036:            }
                   2037:        }
1.45.2.46  knu      2038:        ($symrev{"HEAD"} = $headrev) =~ s/\.\d+$//
                   2039:             if (!defined($symrev{"HEAD"}));
1.1       jfieber  2040:        print "Done finding HEAD\n" if ($verbose);
                   2041: #
                   2042: # Now that we know all of the revision numbers, we can associate
                   2043: # absolute revision numbers with all of the symbolic names, and
                   2044: # pass them to the form so that the same association doesn't have
                   2045: # to be built then.
                   2046: #
1.45.2.46  knu      2047:        undef @branchnames;
                   2048:        undef %branchpoint;
                   2049:        undef $sel;
                   2050:
                   2051:        foreach (reverse sort keys %symrev) {
1.1       jfieber  2052:            $rev = $symrev{$_};
1.45.2.59  knu      2053:            if ($rev =~ /^((.*)\.)?\b0\.(\d+)$/) {
1.7       fenner   2054:                push(@branchnames, $_);
1.1       jfieber  2055:                #
                   2056:                # A revision number of A.B.0.D really translates into
                   2057:                # "the highest current revision on branch A.B.D".
                   2058:                #
                   2059:                # If there is no branch A.B.D, then it translates into
                   2060:                # the head A.B .
                   2061:                #
1.45.2.46  knu      2062:                # This reasoning also applies to the main branch A.B,
                   2063:                # with the branch number 0.A, with the exception that
                   2064:                # it has no head to translate to if there is nothing on
                   2065:                # the branch, but I guess this can never happen?
1.45.2.57  knu      2066:                #
1.45.2.59  knu      2067:                # (the code below gracefully forgets about the branch
                   2068:                # if it should happen)
1.45.2.46  knu      2069:                #
                   2070:                $head = defined($2) ? $2 : "";
1.1       jfieber  2071:                $branch = $3;
1.45.2.46  knu      2072:                $branchrev = $head . ($head ne "" ? "." : "") . $branch;
                   2073:                my $regex;
1.45.2.58  knu      2074:                $regex = quotemeta $branchrev;
1.1       jfieber  2075:                $rev = $head;
                   2076:
1.45.2.46  knu      2077:                foreach my $r (@revorder) {
                   2078:                    if ($r =~ /^${regex}\b/) {
                   2079:                        $rev = $branchrev;
1.45.2.58  knu      2080:                        last;
1.1       jfieber  2081:                    }
                   2082:                }
1.45.2.46  knu      2083:                next if ($rev eq "");
                   2084:                if ($rev ne $head && $head ne "") {
1.8       fenner   2085:                    $branchpoint{$head} .= ", " if ($branchpoint{$head});
                   2086:                    $branchpoint{$head} .= $_;
                   2087:                }
1.1       jfieber  2088:            }
1.45.2.46  knu      2089:            $revsym{$rev} .= ", " if ($revsym{$rev});
                   2090:            $revsym{$rev} .= $_;
1.1       jfieber  2091:            $sel .= "<OPTION VALUE=\"${rev}:${_}\">$_\n";
                   2092:        }
                   2093:        print "Done associating revisions with branches\n" if ($verbose);
1.45.2.46  knu      2094:
                   2095:        my ($onlyonbranch, $onlybranchpoint);
                   2096:        if ($onlyonbranch = $input{'only_with_tag'}) {
                   2097:            $onlyonbranch = $symrev{$onlyonbranch};
1.45.2.59  knu      2098:            if ($onlyonbranch =~ s/\b0\.//) {
1.45.2.46  knu      2099:                ($onlybranchpoint = $onlyonbranch) =~ s/\.\d+$//;
                   2100:            }
                   2101:             else {
                   2102:                $onlybranchpoint = $onlyonbranch;
                   2103:            }
                   2104:            if (!defined($onlyonbranch) || $onlybranchpoint eq "") {
                   2105:                fatal("404 Tag not found","Tag $input{'only_with_tag'} not defined");
                   2106:            }
1.8       fenner   2107:        }
1.1       jfieber  2108:
1.45.2.46  knu      2109:        undef @revisions;
                   2110:
                   2111:        foreach (@allrevisions) {
1.7       fenner   2112:            ($br = $_) =~ s/\.\d+$//;
1.45.2.46  knu      2113:            ($brp = $br) =~ s/\.\d+$//;
1.7       fenner   2114:            next if ($onlyonbranch && $br ne $onlyonbranch &&
1.45.2.46  knu      2115:                                        $_ ne $onlybranchpoint);
                   2116:            unshift(@revisions,$_);
                   2117:        }
                   2118:
                   2119:        if ($logsort eq "date") {
                   2120:            # Sort the revisions in commit order an secondary sort on revision
                   2121:            # (secondary sort needed for imported sources, or the first main
                   2122:            # revision gets before the same revision on the 1.1.1 branch)
                   2123:            @revdisplayorder = sort {$date{$b} <=> $date{$a} || -revcmp($a, $b)} @revisions;
                   2124:        }
                   2125:         elsif ($logsort eq "rev") {
                   2126:            # Sort the revisions in revision order, highest first
                   2127:            @revdisplayorder = reverse sort {revcmp($a,$b)} @revisions;
                   2128:        }
                   2129:         else {
                   2130:            # No sorting. Present in the same order as rlog / cvs log
                   2131:            @revdisplayorder = @revisions;
                   2132:        }
                   2133:
                   2134: }
                   2135:
1.45.2.56  knu      2136: sub printDiffLinks($$) {
                   2137:     my($text, $url) = @_;
                   2138:     my @extra;
                   2139:
                   2140:     local $_;
                   2141:     for ($DIFFTYPES{$defaultDiffType}{'colored'} ? qw(u) : qw(h)) {
                   2142:        my $f = $_ eq $defaultDiffType ? '' : $_;
                   2143:
                   2144:        push @extra, &link(lc $DIFFTYPES{$_}{'descr'}, "$url&f=$f");
                   2145:     }
                   2146:
                   2147:     print &link($text, $url), ' (', join(', ', @extra), ')';
                   2148: }
                   2149:
1.45.2.46  knu      2150: sub printLog($;$) {
                   2151:        my ($link, $br, $brp);
                   2152:        ($_,$link) = @_;
                   2153:        ($br = $_) =~ s/\.\d+$//;
                   2154:        ($brp = $br) =~ s/\.?\d+$//;
                   2155:        my ($isDead, $prev);
                   2156:
                   2157:        $link = 1 if (!defined($link));
                   2158:        $isDead = ($state{$_} eq "dead");
                   2159:
                   2160:        if ($link && !$isDead) {
                   2161:            my ($filename);
                   2162:            ($filename = $where) =~ s/^.*\///;
                   2163:            my ($fileurl) = urlencode($filename);
1.4       fenner   2164:            print "<a NAME=\"rev$_\"></a>";
1.45.2.46  knu      2165:            if (defined($revsym{$_})) {
                   2166:                foreach my $sym (split(", ", $revsym{$_})) {
                   2167:                    print "<a NAME=\"$sym\"></a>";
                   2168:                }
1.4       fenner   2169:            }
1.45.2.46  knu      2170:            if (defined($revsym{$br}) && $revsym{$br} && !defined($nameprinted{$br})) {
                   2171:                foreach my $sym (split(", ", $revsym{$br})) {
1.4       fenner   2172:                    print "<a NAME=\"$sym\"></a>";
                   2173:                }
1.45.2.46  knu      2174:                $nameprinted{$br} = 1;
1.4       fenner   2175:            }
1.45.2.46  knu      2176:            print "\n Revision ";
                   2177:            &download_link($fileurl, $_, $_,
1.45.2.56  knu      2178:                           $defaultViewable ? "text/x-cvsweb-markup" : undef);
1.45.2.46  knu      2179:            if ($defaultViewable) {
1.45.2.56  knu      2180:                print " / (";
                   2181:                &download_link($fileurl, $_, "download", $mimetype);
                   2182:                print ")";
1.45.2.46  knu      2183:            }
                   2184:            if (not $defaultTextPlain) {
1.45.2.56  knu      2185:                print " / (";
                   2186:                &download_link($fileurl, $_, "as text", "text/plain");
                   2187:                print ")";
1.45.2.46  knu      2188:            }
                   2189:            if (!$defaultViewable) {
1.45.2.56  knu      2190:                print " / (";
                   2191:                &download_link($fileurl, $_, "view", "text/x-cvsweb-markup");
                   2192:                print ")";
1.45.2.46  knu      2193:            }
                   2194:            if ($allow_annotate) {
1.45.2.56  knu      2195:                print " - ";
                   2196:                print &link('annotate',
                   2197:                            sprintf('%s/%s?annotate=%s%s',
                   2198:                                    $scriptname,
                   2199:                                    urlencode($where),
                   2200:                                    $_,
                   2201:                                    $barequery));
1.45.2.46  knu      2202:            }
                   2203:            # Plus a select link if enabled, and this version isn't selected
                   2204:            if ($allow_version_select) {
                   2205:                if ((!defined($input{"r1"}) || $input{"r1"} ne $_)) {
1.45.2.56  knu      2206:                    print " - ";
                   2207:                    print &link('[select for diffs]',
                   2208:                                sprintf('%s?r1=%s%s',
                   2209:                                        $scriptwhere,
                   2210:                                        $_,
                   2211:                                        $barequery));
1.45.2.46  knu      2212:                }
                   2213:                else {
                   2214:                    print " - <b>[selected]</b>";
                   2215:                }
                   2216:            }
                   2217:        }
                   2218:        else {
                   2219:            print "Revision <B>$_</B>";
                   2220:        }
                   2221:        if (/^1\.1\.1\.\d+$/) {
                   2222:            print " <i>(vendor branch)</i>";
                   2223:        }
                   2224:        if (defined @mytz) {
                   2225:            my ($est) = $mytz[(localtime($date{$_}))[8]];
1.45.2.56  knu      2226:            print ", <i>", scalar localtime($date{$_}), " $est</i> (";
1.45.2.46  knu      2227:        } else {
1.45.2.56  knu      2228:            print ", <i>", scalar gmtime($date{$_}), " UTC</i> (";
1.45.2.46  knu      2229:        }
1.45.2.56  knu      2230:        print readableTime(time() - $date{$_},1), " ago)";
1.45.2.46  knu      2231:        print " by ";
1.45.2.56  knu      2232:        print "<i>", $author{$_}, "</i>\n";
1.45.2.46  knu      2233:        print "<BR>Branch: <b>",$link?link_tags($revsym{$br}):$revsym{$br},"</b>\n"
                   2234:            if ($revsym{$br});
                   2235:        print "<BR>CVS Tags: <b>",$link?link_tags($revsym{$_}):$revsym{$_},"</b>"
                   2236:            if ($revsym{$_});
                   2237:        print "<BR>Branch point for: <b>",$link?link_tags($branchpoint{$_}):$branchpoint{$_},"</b>\n"
                   2238:            if ($branchpoint{$_});
                   2239:        # Find the previous revision
                   2240:        my @prevrev = split(/\./, $_);
                   2241:        do {
                   2242:            if (--$prevrev[$#prevrev] <= 0) {
1.1       jfieber  2243:                # If it was X.Y.Z.1, just make it X.Y
1.45.2.46  knu      2244:                pop(@prevrev);
                   2245:                pop(@prevrev);
                   2246:            }
                   2247:            $prev = join(".", @prevrev);
                   2248:        } until (defined($date{$prev}) || $prev eq "");
                   2249:        if ($prev ne "") {
                   2250:            if ($difflines{$_}) {
                   2251:                print "<BR>Changes since <b>$prev: $difflines{$_} lines</b>";
                   2252:            }
                   2253:        }
                   2254:        if ($isDead) {
                   2255:            print "<BR><B><I>FILE REMOVED</I></B>\n";
                   2256:        }
                   2257:        elsif ($link) {
                   2258:            my %diffrev = ();
                   2259:            $diffrev{$_} = 1;
                   2260:            $diffrev{""} = 1;
                   2261:            print "<BR>Diff";
                   2262:            #
                   2263:            # Offer diff to previous revision
                   2264:            if ($prev) {
                   2265:                $diffrev{$prev} = 1;
1.45.2.56  knu      2266:
                   2267:                my $url = sprintf('%s.diff?r1=%s&r2=%s%s',
                   2268:                                  $scriptwhere,
                   2269:                                  $prev,
                   2270:                                  $_,
                   2271:                                  $barequery);
                   2272:
                   2273:                print " to previous ";
                   2274:                printDiffLinks($prev, $url);
1.1       jfieber  2275:            }
1.45.2.46  knu      2276:            #
                   2277:            # Plus, if it's on a branch, and it's not a vendor branch,
                   2278:            # offer a diff with the branch point.
                   2279:            if ($revsym{$brp} && !/^1\.1\.1\.\d+$/ && !defined($diffrev{$brp})) {
1.45.2.56  knu      2280:                my $url = sprintf('%s.diff?r1=%s&r2=%s%s',
                   2281:                                  $scriptwhere,
                   2282:                                  $brp,
                   2283:                                  $_,
                   2284:                                  $barequery);
                   2285:
                   2286:                print " to branchpoint ";
                   2287:                printDiffLinks($brp, $url);
1.45.2.46  knu      2288:            }
                   2289:            #
                   2290:            # Plus, if it's on a branch, and it's not a vendor branch,
                   2291:            # offer to diff with the next revision of the higher branch.
                   2292:            # (e.g. change gets committed and then brought
                   2293:            # over to -stable)
                   2294:            if (/^\d+\.\d+\.\d+/ && !/^1\.1\.1\.\d+$/) {
                   2295:                my ($i,$nextmain);
                   2296:                for ($i = 0; $i < $#revorder && $revorder[$i] ne $_; $i++){}
                   2297:                my (@tmp2) = split(/\./, $_);
                   2298:                for ($nextmain = ""; $i > 0; $i--) {
                   2299:                    my ($next) = $revorder[$i-1];
                   2300:                    my (@tmp1) = split(/\./, $next);
1.1       jfieber  2301:                    if ($#tmp1 < $#tmp2) {
1.45.2.46  knu      2302:                        $nextmain = $next;
                   2303:                        last;
                   2304:                    }
                   2305:                    # Only the highest version on a branch should have
                   2306:                    # a diff for the "next main".
                   2307:                    last if (join(".",@tmp1[0..$#tmp1-1])
                   2308:                             eq join(".",@tmp2[0..$#tmp1-1]));
                   2309:                }
                   2310:                if (!defined($diffrev{$nextmain})) {
                   2311:                    $diffrev{$nextmain} = 1;
1.45.2.56  knu      2312:
                   2313:                    my $url = sprintf('%s.diff?r1=%s&r2=%s%s',
                   2314:                                      $scriptwhere,
                   2315:                                      $nextmain,
                   2316:                                      $_,
                   2317:                                      $barequery);
                   2318:
                   2319:                    print " next main ";
                   2320:                    printDiffLinks($nextmain, $url);
1.1       jfieber  2321:                }
                   2322:            }
1.45.2.46  knu      2323:            # Plus if user has selected only r1, then present a link
                   2324:            # to make a diff to that revision
                   2325:            if (defined($input{"r1"}) && !defined($diffrev{$input{"r1"}})) {
                   2326:                $diffrev{$input{"r1"}} = 1;
                   2327:
1.45.2.56  knu      2328:                my $url = sprintf('%s.diff?r1=%s&r2=%s%s',
                   2329:                                  $scriptwhere,
                   2330:                                  $input{'r1'},
                   2331:                                  $_,
                   2332:                                  $barequery);
                   2333:
                   2334:                print " to selected ";
                   2335:                printDiffLinks($input{'r1'}, $url);
1.9       fenner   2336:            }
1.1       jfieber  2337:        }
1.45.2.46  knu      2338:        print "<PRE>\n";
                   2339:        print &htmlify($log{$_}, 1);
                   2340:        print "</PRE>\n";
                   2341: }
                   2342:
1.45.2.47  knu      2343: sub doLog($) {
1.45.2.46  knu      2344:        my($fullname) = @_;
                   2345:        my ($diffrev, $upwhere, $filename, $backurl);
1.45.2.47  knu      2346:
1.45.2.46  knu      2347:        readLog($fullname);
                   2348:
                   2349:         html_header("CVS log for $where");
                   2350:        ($upwhere = $where) =~ s|(Attic/)?[^/]+$||;
                   2351:         ($filename = $where) =~ s|^.*/||;
                   2352:         $backurl = $scriptname . "/" . urlencode($upwhere) . $query;
                   2353:        print &link($backicon, "$backurl#$filename"),
1.45.2.56  knu      2354:          " <b>Up to ", &clickablePath($upwhere, 1), "</b><p>\n";
                   2355:        print &link('Request diff between arbitrary revisions', '#diff');
                   2356:         print '<HR NOSHADE>';
                   2357:
1.45.2.46  knu      2358:        if ($curbranch) {
                   2359:            print "Default branch: ", ($revsym{$curbranch} || $curbranch);
                   2360:        }
                   2361:        else {
                   2362:            print "No default branch";
                   2363:        }
                   2364:        print "<BR>\n";
                   2365:        if ($input{only_with_tag}) {
                   2366:            print "Current tag: $input{only_with_tag}<BR>\n";
                   2367:        }
                   2368:
                   2369:        undef %nameprinted;
                   2370:
                   2371:        for (my $i = 0; $i <= $#revdisplayorder; $i++) {
                   2372:            print "<HR size=1 NOSHADE>";
                   2373:            printLog($revdisplayorder[$i]);
                   2374:        }
                   2375:
                   2376:         print "<HR NOSHADE>";
1.1       jfieber  2377:        print "<A NAME=diff>\n";
                   2378:        print "This form allows you to request diff's between any two\n";
                   2379:        print "revisions of a file.  You may select a symbolic revision\n";
                   2380:        print "name using the selection box or you may type in a numeric\n";
                   2381:        print "name using the type-in text box.\n";
                   2382:        print "</A><P>\n";
1.45.2.46  knu      2383:        print "<FORM METHOD=\"GET\" ACTION=\"${scriptwhere}.diff\" NAME=\"diff_select\">\n";
                   2384:         foreach (@stickyvars) {
1.45.2.56  knu      2385:            printf('<INPUT TYPE=HIDDEN NAME="%s" VALUE="%s">',  $_, $input{$_})
1.45.2.46  knu      2386:                if (defined($input{$_})
1.45.2.51  knu      2387:                    && ((!defined($DEFAULTVALUE{$_})
                   2388:                         || $input{$_} ne $DEFAULTVALUE{$_})
                   2389:                        && $input{$_} ne ""));
1.45.2.46  knu      2390:        }
1.45.2.51  knu      2391:        print "<TABLE><TR>\n";
                   2392:        print "<TD align=right>Diffs between \n";
1.1       jfieber  2393:        print "<SELECT NAME=\"r1\">\n";
                   2394:        print "<OPTION VALUE=\"text\" SELECTED>Use Text Field\n";
                   2395:        print $sel;
                   2396:        print "</SELECT>\n";
1.45.2.46  knu      2397:        $diffrev = $revdisplayorder[$#revdisplayorder];
                   2398:        $diffrev = $input{"r1"} if (defined($input{"r1"}));
1.45.2.51  knu      2399:        print "<INPUT TYPE=\"TEXT\" SIZE=\"$inputTextSize\" NAME=\"tr1\" VALUE=\"$diffrev\" onChange='document.diff_select.r1.selectedIndex=0'></TD>";
                   2400:        print "<TD><BR></TD></TR>\n";
                   2401:        print "<TR><TD align=right>and \n";
1.1       jfieber  2402:        print "<SELECT NAME=\"r2\">\n";
                   2403:        print "<OPTION VALUE=\"text\" SELECTED>Use Text Field\n";
                   2404:        print $sel;
                   2405:        print "</SELECT>\n";
1.45.2.46  knu      2406:        $diffrev = $revdisplayorder[0];
                   2407:        $diffrev = $input{"r2"} if (defined($input{"r2"}));
1.45.2.51  knu      2408:        print "<INPUT TYPE=\"TEXT\" SIZE=\"$inputTextSize\" NAME=\"tr2\" VALUE=\"$diffrev\" onChange='document.diff_select.r2.selectedIndex=0'></TD>";
                   2409:        print "<TD><INPUT TYPE=SUBMIT VALUE=\"  Get Diffs  \"></TD>\n";
1.1       jfieber  2410:        print "</FORM>\n";
1.45.2.51  knu      2411:        print "</TR></TABLE>\n";
1.7       fenner   2412:        print "<HR noshade>\n";
1.45.2.51  knu      2413:        print "<TABLE>";
                   2414:        print "<FORM METHOD=\"GET\" ACTION=\"$scriptwhere\">\n";
1.45.2.56  knu      2415:        print "<TR><TD align=right>Preferred Diff type:</TD>";
                   2416:        print "<TD>";
1.45.2.51  knu      2417:        printDiffSelect($use_java_script);
                   2418:        print "</TD><TD></TD></TR>\n";
1.45.2.46  knu      2419:         if (@branchnames) {
1.45.2.51  knu      2420:            print "<TR><TD align=right>View only Branch:</TD>";
                   2421:            print "<TD>";
1.45.2.46  knu      2422:            print "<A name=branch></A>\n";
                   2423:            print "<SELECT NAME=\"only_with_tag\"";
                   2424:            print " onchange=\"submit()\"" if ($use_java_script);
                   2425:            print ">\n";
                   2426:            print "<OPTION VALUE=\"\"";
                   2427:            print " SELECTED" if (defined($input{"only_with_tag"}) &&
                   2428:                $input{"only_with_tag"} eq "");
                   2429:            print ">Show all branches\n";
                   2430:            foreach (reverse sort @branchnames) {
1.9       fenner   2431:                print "<OPTION";
1.45.2.46  knu      2432:                print " SELECTED" if (defined($input{"only_with_tag"})
                   2433:                        && $input{"only_with_tag"} eq $_);
1.9       fenner   2434:                print ">${_}\n";
1.45.2.46  knu      2435:            }
1.45.2.51  knu      2436:            print "</SELECT></TD><TD></TD></TR>\n";
1.7       fenner   2437:        }
1.45.2.46  knu      2438:        foreach (@stickyvars) {
1.45.2.51  knu      2439:            next if ($_ eq "f");
1.45.2.46  knu      2440:            next if ($_ eq "only_with_tag");
                   2441:            next if ($_ eq "logsort");
                   2442:            print "<INPUT TYPE=HIDDEN NAME=\"$_\" VALUE=\"$input{$_}\">\n"
1.45.2.51  knu      2443:                if (defined($input{$_})
                   2444:                    && (!defined($DEFAULTVALUE{$_})
                   2445:                        || $input{$_} ne $DEFAULTVALUE{$_})
1.45.2.46  knu      2446:                    && $input{$_} ne "");
                   2447:        }
1.45.2.51  knu      2448:        print "<TR><TD align=right>";
                   2449:        print "<A name=logsort></A>\n";
                   2450:        print "Sort log by:</TD>";
1.45.2.56  knu      2451:        print "<TD>";
                   2452:        printLogSortSelect($use_java_script);
                   2453:        print "</TD>";
1.45.2.51  knu      2454:        print "<TD><INPUT TYPE=SUBMIT VALUE=\"  Set  \"></TD>";
1.7       fenner   2455:        print "</FORM>\n";
1.45.2.51  knu      2456:        print "</TR></TABLE>";
1.2       jfieber  2457:         print &html_footer;
1.1       jfieber  2458:        print "</BODY></HTML>\n";
1.10      wosch    2459: }
                   2460:
1.45.2.47  knu      2461: sub flush_diff_rows($$$$) {
1.45.2.46  knu      2462:     my $j;
                   2463:     my ($leftColRef,$rightColRef,$leftRow,$rightRow) = @_;
                   2464:     if ($state eq "PreChangeRemove") {          # we just got remove-lines before
                   2465:       for ($j = 0 ; $j < $leftRow; $j++) {
                   2466:           print  "<tr><td bgcolor=\"$diffcolorRemove\">@$leftColRef[$j]</td>";
                   2467:           print  "<td bgcolor=\"$diffcolorEmpty\">&nbsp;</td></tr>\n";
                   2468:       }
                   2469:     }
                   2470:     elsif ($state eq "PreChange") {             # state eq "PreChange"
                   2471:       # we got removes with subsequent adds
                   2472:       for ($j = 0; $j < $leftRow || $j < $rightRow ; $j++) {  # dump out both cols
                   2473:           print  "<tr>";
                   2474:           if ($j < $leftRow) {
                   2475:              print  "<td bgcolor=\"$diffcolorChange\">@$leftColRef[$j]</td>";
                   2476:          }
                   2477:           else {
                   2478:              print  "<td bgcolor=\"$diffcolorDarkChange\">&nbsp;</td>";
                   2479:          }
                   2480:           if ($j < $rightRow) {
                   2481:              print  "<td bgcolor=\"$diffcolorChange\">@$rightColRef[$j]</td>";
                   2482:          }
                   2483:           else {
                   2484:              print  "<td bgcolor=\"$diffcolorDarkChange\">&nbsp;</td>";
                   2485:          }
                   2486:           print  "</tr>\n";
                   2487:       }
                   2488:     }
                   2489: }
                   2490:
                   2491: ##
                   2492: # Function to generate Human readable diff-files
                   2493: # human_readable_diff(String revision_to_return_to);
                   2494: ##
                   2495: sub human_readable_diff($){
1.45.2.51  knu      2496:   my ($difftxt, $where_nd, $filename, $pathname, $scriptwhere_nd);
1.45.2.46  knu      2497:   my ($fh, $rev) = @_;
                   2498:   my ($date1, $date2, $r1d, $r2d, $r1r, $r2r, $rev1, $rev2, $sym1, $sym2);
                   2499:   my (@rightCol, @leftCol);
                   2500:
                   2501:   ($where_nd = $where) =~ s/.diff$//;
                   2502:   ($filename = $where_nd) =~ s/^.*\///;
                   2503:   ($pathname = $where_nd) =~ s/(Attic\/)?[^\/]*$//;
                   2504:   ($scriptwhere_nd = $scriptwhere) =~ s/.diff$//;
                   2505:
1.45.2.47  knu      2506:   navigateHeader($scriptwhere_nd, $pathname, $filename, $rev, "diff");
1.45.2.46  knu      2507:
                   2508:   # Read header to pick up read revision and date, if possible
                   2509:   while (<$fh>) {
                   2510:       ($r1d,$r1r) = /\t(.*)\t(.*)$/ if (/^--- /);
                   2511:       ($r2d,$r2r) = /\t(.*)\t(.*)$/ if (/^\+\+\+ /);
                   2512:       last if (/^\+\+\+ /);
                   2513:   }
                   2514:   if (defined($r1r) && $r1r =~ /^(\d+\.)+\d+$/) {
                   2515:     $rev1 = $r1r;
                   2516:     $date1 = $r1d;
                   2517:   }
                   2518:   if (defined($r2r) && $r2r =~ /^(\d+\.)+\d+$/) {
                   2519:     $rev2 = $r2r;
                   2520:     $date2 = $r2d;
                   2521:   }
1.45.2.47  knu      2522:
1.45.2.56  knu      2523:   print "<h3 align=center>Diff for /$where_nd between version $rev1 and $rev2</h3>\n",
                   2524:     "<table border=0 cellspacing=0 cellpadding=0 width=\"100%\">\n",
                   2525:       "<tr bgcolor=\"#ffffff\">\n",
                   2526:        "<th width=\"50%\" valign=TOP>",
                   2527:          "version $rev1";
1.45.2.46  knu      2528:   print ", $date1" if (defined($date1));
                   2529:   print "<br>Tag: $sym1\n" if ($sym1);
1.45.2.56  knu      2530:   print "</th>\n",
                   2531:     "<th width=\"50%\" valign=TOP>",
                   2532:       "version $rev2";
1.45.2.46  knu      2533:   print ", $date2" if (defined($date2));
                   2534:   print "<br>Tag: $sym2\n" if ($sym1);
                   2535:   print "</th>\n";
                   2536:
                   2537:   my $fs = "<font face=\"$difffontface\" size=\"$difffontsize\">";
                   2538:   my $fe = "</font>";
                   2539:
                   2540:   my $leftRow = 0;
                   2541:   my $rightRow = 0;
                   2542:   my ($oldline, $newline, $funname, $diffcode, $rest);
                   2543:
                   2544:   # Process diff text
                   2545:   # The diffrows are could make excellent use of
                   2546:   # cascading style sheets because we've to set the
                   2547:   # font and color for each row. anyone ...?
                   2548:   ####
1.45.2.51  knu      2549:
                   2550:   # prefetch several lines
                   2551:   my @buf = head($fh);
                   2552:
                   2553:   my %d = scan_directives(@buf);
                   2554:
                   2555:   while (@buf || !eof($fh)) {
                   2556:       $difftxt = @buf ? shift @buf : <$fh>;
1.45.2.47  knu      2557:
1.45.2.46  knu      2558:       if ($difftxt =~ /^@@/) {
                   2559:          ($oldline,$newline,$funname) = $difftxt =~ /@@ \-([0-9]+).*\+([0-9]+).*@@(.*)/;
                   2560:           print  "<tr bgcolor=\"$diffcolorHeading\"><td width=\"50%\">";
                   2561:          print  "<table width=\"100%\" border=1 cellpadding=5><tr><td><b>Line $oldline</b>";
                   2562:          print  "&nbsp;<font size=-1>$funname</font></td></tr></table>";
                   2563:           print  "</td><td width=\"50%\">";
                   2564:          print  "<table width=\"100%\" border=1 cellpadding=5><tr><td><b>Line $newline</b>";
                   2565:          print  "&nbsp;<font size=-1>$funname</font></td></tr></table>";
                   2566:          print  "</td>\n";
                   2567:          $state = "dump";
                   2568:          $leftRow = 0;
                   2569:          $rightRow = 0;
                   2570:       }
                   2571:       else {
                   2572:          ($diffcode,$rest) = $difftxt =~ /^([-+ ])(.*)/;
1.45.2.51  knu      2573:          $_ = spacedHtmlText($rest, $d{'tabstop'});
1.45.2.46  knu      2574:
                   2575:          # Add fontface, size
                   2576:          $_ = "$fs&nbsp;$_$fe";
1.45.2.47  knu      2577:
1.45.2.46  knu      2578:          #########
                   2579:          # little state machine to parse unified-diff output (Hen, zeller@think.de)
                   2580:          # in order to get some nice 'ediff'-mode output
                   2581:          # states:
                   2582:          #  "dump"             - just dump the value
                   2583:          #  "PreChangeRemove"  - we began with '-' .. so this could be the start of a 'change' area or just remove
                   2584:          #  "PreChange"        - okey, we got several '-' lines and moved to '+' lines -> this is a change block
                   2585:          ##########
                   2586:
                   2587:          if ($diffcode eq '+') {
                   2588:              if ($state eq "dump") {  # 'change' never begins with '+': just dump out value
                   2589:                  print  "<tr><td bgcolor=\"$diffcolorEmpty\">&nbsp;</td><td bgcolor=\"$diffcolorAdd\">$_</td></tr>\n";
                   2590:              }
                   2591:              else {                   # we got minus before
                   2592:                  $state = "PreChange";
                   2593:                  $rightCol[$rightRow++] = $_;
                   2594:              }
1.45.2.47  knu      2595:          }
1.45.2.46  knu      2596:          elsif ($diffcode eq '-') {
                   2597:              $state = "PreChangeRemove";
                   2598:              $leftCol[$leftRow++] = $_;
                   2599:         }
                   2600:         else {  # empty diffcode
                   2601:             flush_diff_rows \@leftCol, \@rightCol, $leftRow, $rightRow;
                   2602:              print  "<tr><td>$_</td><td>$_</td></tr>\n";
                   2603:              $state = "dump";
                   2604:              $leftRow = 0;
                   2605:              $rightRow = 0;
                   2606:          }
                   2607:       }
                   2608:   }
                   2609:   flush_diff_rows \@leftCol, \@rightCol, $leftRow, $rightRow;
                   2610:
                   2611:   # state is empty if we didn't have any change
                   2612:   if (!$state) {
                   2613:       print "<tr><td colspan=2>&nbsp;</td></tr>";
                   2614:       print "<tr bgcolor=\"$diffcolorEmpty\" >";
                   2615:       print "<td colspan=2 align=center><b>- No viewable Change -</b></td></tr>";
                   2616:   }
                   2617:   print  "</table>";
                   2618:   close($fh);
                   2619:
                   2620:   print "<br><hr noshade width=\"100%\">\n";
                   2621:
                   2622:   print "<table border=0>";
                   2623:
                   2624:   print "<tr><td>";
                   2625:   # print legend
                   2626:   print "<table border=1><tr><td>";
                   2627:   print  "Legend:<br><table border=0 cellspacing=0 cellpadding=1>\n";
                   2628:   print  "<tr><td align=center bgcolor=\"$diffcolorRemove\">Removed from v.$rev1</td><td bgcolor=\"$diffcolorEmpty\">&nbsp;</td></tr>";
                   2629:   print  "<tr bgcolor=\"$diffcolorChange\"><td align=center colspan=2>changed lines</td></tr>";
                   2630:   print  "<tr><td bgcolor=\"$diffcolorEmpty\">&nbsp;</td><td align=center bgcolor=\"$diffcolorAdd\">Added in v.$rev2</td></tr>";
                   2631:   print  "</table></td></tr></table>\n";
                   2632:
                   2633:   print "<td>";
                   2634:   # Print format selector
                   2635:   print "<FORM METHOD=\"GET\" ACTION=\"${scriptwhere}\">\n";
                   2636:   foreach my $var (keys %input) {
                   2637:     next if ($var eq "f");
                   2638:     next if (defined($DEFAULTVALUE{$var})
                   2639:             && $DEFAULTVALUE{$var} eq $input{$var});
                   2640:     print "<INPUT TYPE=HIDDEN NAME=\"",urlencode($var),"\" VALUE=\"",
                   2641:            urlencode($input{$var}),"\">\n";
                   2642:   }
                   2643:   printDiffSelect($use_java_script);
                   2644:   print "<INPUT TYPE=SUBMIT VALUE=\"Show\">\n";
                   2645:   print "</FORM>\n";
                   2646:   print "</td>";
                   2647:
                   2648:   print "</tr></table>";
                   2649: }
                   2650:
1.45.2.47  knu      2651: sub navigateHeader($$$$$) {
1.45.2.46  knu      2652:     my ($swhere,$path,$filename,$rev,$title) = @_;
                   2653:     $swhere = "" if ($swhere eq $scriptwhere);
                   2654:     $swhere = urlencode($filename) if ($swhere eq "");
1.45.2.59  knu      2655:     print qq`<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">`;
1.45.2.46  knu      2656:     print "<HTML>\n<HEAD>\n";
1.45.2.59  knu      2657:     print qq`<META name="robots" content="nofollow">\n`;
                   2658:     print '<!-- CVSweb $zRevision: 1.104 $  $kRevision: 1.45 $ -->';
1.45.2.46  knu      2659:     print "\n<TITLE>$path$filename - $title - $rev</TITLE></HEAD>\n";
1.45.2.52  knu      2660:     print  "$body_tag_for_src\n";
1.45.2.46  knu      2661:     print "<table width=\"100%\" border=0 cellspacing=0 cellpadding=1 bgcolor=\"$navigationHeaderColor\">";
                   2662:     print "<tr valign=bottom><td>";
1.45.2.56  knu      2663:     print &link($backicon, "$swhere$query#rev$rev");
1.45.2.46  knu      2664:     print "</a> <b>Return to ", &link("$filename","$swhere$query#rev$rev")," CVS log";
                   2665:     print "</b> $fileicon</td>";
1.45.2.47  knu      2666:
1.45.2.46  knu      2667:     print "<td align=right>$diricon <b>Up to ", &clickablePath($path, 1), "</b></td>";
                   2668:     print "</tr></table>";
                   2669: }
                   2670:
1.45.2.47  knu      2671: sub plural_write($$) {
1.45.2.46  knu      2672:     my ($num,$text) = @_;
                   2673:     if ($num != 1) {
1.45.2.56  knu      2674:        $text .= "s";
1.45.2.46  knu      2675:     }
                   2676:     if ($num > 0) {
1.45.2.56  knu      2677:        return join(' ', $num, $text);
1.45.2.46  knu      2678:     }
                   2679:     else {
                   2680:        return "";
                   2681:     }
                   2682: }
                   2683:
                   2684: ##
                   2685: # print readable timestamp in terms of
                   2686: # '..time ago'
                   2687: # H. Zeller <zeller@think.de>
                   2688: ##
1.45.2.47  knu      2689: sub readableTime($$) {
1.45.2.46  knu      2690:     my ($i, $break, $retval);
                   2691:     my ($secs,$long) = @_;
                   2692:
                   2693:     # this function works correct for time >= 2 seconds
                   2694:     if ($secs < 2) {
                   2695:        return "very little time";
                   2696:     }
                   2697:
                   2698:     my %desc = (1 , 'second',
                   2699:                   60, 'minute',
                   2700:                   3600, 'hour',
                   2701:                   86400, 'day',
                   2702:                   604800, 'week',
                   2703:                   2628000, 'month',
                   2704:                   31536000, 'year');
                   2705:     my @breaks = sort {$a <=> $b} keys %desc;
                   2706:     $i = 0;
1.45.2.47  knu      2707:     while ($i <= $#breaks && $secs >= 2 * $breaks[$i]) {
1.45.2.46  knu      2708:        $i++;
                   2709:     }
                   2710:     $i--;
                   2711:     $break = $breaks[$i];
                   2712:     $retval = plural_write(int ($secs / $break), $desc{$break});
                   2713:
                   2714:     if ($long == 1 && $i > 0) {
                   2715:        my $rest = $secs % $break;
                   2716:        $i--;
                   2717:        $break = $breaks[$i];
1.45.2.47  knu      2718:        my $resttime = plural_write(int ($rest / $break),
1.45.2.46  knu      2719:                                $desc{$break});
                   2720:        if ($resttime) {
1.45.2.56  knu      2721:            $retval .= ", $resttime";
1.45.2.46  knu      2722:        }
                   2723:     }
                   2724:
                   2725:     return $retval;
                   2726: }
                   2727:
                   2728: ##
                   2729: # clickablePath(String pathname, boolean last_item_clickable)
                   2730: #
                   2731: # returns a html-ified path whereas each directory is a link for
                   2732: # faster navigation. last_item_clickable controls whether the
                   2733: # basename (last directory/file) is a link as well
                   2734: ##
                   2735: sub clickablePath($$) {
1.45.2.47  knu      2736:     my ($pathname,$clickLast) = @_;
1.45.2.46  knu      2737:     my $retval = '';
1.45.2.47  knu      2738:
1.45.2.46  knu      2739:     if ($pathname eq '/') {
                   2740:        # this should never happen - chooseCVSRoot() is
                   2741:        # intended to do this
                   2742:        $retval = "[$cvstree]";
                   2743:     }
                   2744:     else {
1.45.2.56  knu      2745:        $retval .= ' ' . &link("[$cvstree]", sprintf('%s/%s#dirlist',
                   2746:                                                     $scriptname,
                   2747:                                                     $query));
1.45.2.46  knu      2748:        my $wherepath = '';
                   2749:        my ($lastslash) = $pathname =~ m|/$|;
                   2750:        foreach (split(/\//, $pathname)) {
1.45.2.56  knu      2751:            $retval .= " / ";
                   2752:            $wherepath .= "/$_";
1.45.2.46  knu      2753:            my ($last) = "$wherepath/" eq "/$pathname"
                   2754:                || $wherepath eq "/$pathname";
                   2755:            if ($clickLast || !$last) {
1.45.2.56  knu      2756:                $retval .= &link($_, join('',
                   2757:                                          $scriptname,
                   2758:                                          urlencode($wherepath),
                   2759:                                          (!$last || $lastslash ? '/' : ''),
                   2760:                                          $query,
                   2761:                                          (!$last || $lastslash ? "#dirlist" : "")));
1.45.2.46  knu      2762:            }
                   2763:            else { # do not make a link to the current dir
1.45.2.56  knu      2764:                $retval .= $_;
1.45.2.46  knu      2765:            }
                   2766:        }
                   2767:     }
                   2768:     return $retval;
                   2769: }
                   2770:
                   2771: sub chooseCVSRoot() {
                   2772:     my @foo;
                   2773:     foreach (sort keys %CVSROOT) {
                   2774:        if (-d $CVSROOT{$_}) {
                   2775:            push(@foo, $_);
                   2776:        }
                   2777:     }
                   2778:     if (@foo > 1) {
                   2779:        my ($k);
                   2780:        print "<form method=\"GET\" action=\"${scriptwhere}\">\n";
                   2781:        foreach $k (keys %input) {
1.45.2.47  knu      2782:            print "<input type=hidden NAME=$k VALUE=$input{$k}>\n"
1.45.2.46  knu      2783:                if ($input{$k}) && ($k ne "cvsroot");
                   2784:        }
                   2785:        # Form-Elements look wierd in Netscape if the background
                   2786:        # isn't gray and the form elements are not placed
                   2787:        # within a table ...
                   2788:        print "<table><tr>";
                   2789:        print "<td>CVS Root:</td>";
                   2790:        print "<td>\n<select name=\"cvsroot\"";
                   2791:        print " onchange=\"submit()\"" if ($use_java_script);
                   2792:        print ">\n";
                   2793:        foreach $k (@foo) {
                   2794:            print "<option value=\"$k\"";
                   2795:            print " selected" if ($k eq $cvstree);
1.45.2.56  knu      2796:            print ">", ($CVSROOTdescr{$k} ? $CVSROOTdescr{$k} : $k), "</option>\n";
1.45.2.46  knu      2797:        }
                   2798:        print "</select>\n</td>";
                   2799:        print "<td><input type=submit value=\"Go\"></td>";
                   2800:        print "</tr></table></form>";
                   2801:     }
                   2802:     else {
                   2803:        # no choice ..
                   2804:        print "CVS Root: <b>[$cvstree]</b>";
                   2805:     }
                   2806: }
                   2807:
                   2808: sub chooseMirror() {
                   2809:     my ($mirror,$moremirrors);
                   2810:     $moremirrors = 0;
                   2811:     # This code comes from the original BSD-cvsweb
                   2812:     # and may not be useful for your site; If you don't
                   2813:     # set %MIRRORS this won't show up, anyway
                   2814:     #
1.45.2.47  knu      2815:     # Should perhaps exlude the current site somehow..
1.45.2.46  knu      2816:     if (keys %MIRRORS) {
                   2817:        print "\nThis cvsweb is mirrored in:\n";
                   2818:        foreach $mirror (keys %MIRRORS) {
                   2819:            print ", " if ($moremirrors);
1.45.2.56  knu      2820:            print &link(htmlquote($mirror),$MIRRORS{$mirror});
1.45.2.46  knu      2821:            $moremirrors = 1;
                   2822:        }
                   2823:        print "<p>\n";
                   2824:     }
                   2825: }
                   2826:
1.45.2.47  knu      2827: sub fileSortCmp() {
1.45.2.46  knu      2828:     my ($comp) = 0;
                   2829:     my ($c,$d,$af,$bf);
                   2830:
                   2831:     ($af = $a) =~ s/,v$//;
                   2832:     ($bf = $b) =~ s/,v$//;
                   2833:     my ($rev1,$date1,$log1,$author1,$filename1) = @{$fileinfo{$af}}
                   2834:         if (defined($fileinfo{$af}));
                   2835:     my ($rev2,$date2,$log2,$author2,$filename2) = @{$fileinfo{$bf}}
                   2836:         if (defined($fileinfo{$bf}));
                   2837:
                   2838:     if (defined($filename1) && defined($filename2) && $af eq $filename1 && $bf eq $filename2) {
                   2839:        # Two files
                   2840:        $comp = -revcmp($rev1, $rev2) if ($byrev && $rev1 && $rev2);
                   2841:        $comp = ($date2 <=> $date1) if ($bydate && $date1 && $date2);
                   2842:        $comp = ($log1 cmp $log2) if ($bylog && $log1 && $log2);
                   2843:        $comp = ($author1 cmp $author2) if ($byauthor && $author1 && $author2);
                   2844:     }
                   2845:     if ($comp == 0) {
                   2846:        # Directories first, then sorted on name if no other sort critera
                   2847:        # available.
                   2848:        my $ad = ((-d "$fullname/$a")?"D":"F");
                   2849:        my $bd = ((-d "$fullname/$b")?"D":"F");
                   2850:        ($c=$a) =~ s|.*/||;
                   2851:        ($d=$b) =~ s|.*/||;
                   2852:        $comp = ("$ad$c" cmp "$bd$d");
                   2853:     }
                   2854:     return $comp;
                   2855: }
                   2856:
                   2857: # make A url for downloading
1.45.2.47  knu      2858: sub download_url($$;$) {
1.45.2.46  knu      2859:     my ($url,$revision,$mimetype) = @_;
                   2860:
1.45.2.59  knu      2861:     $revision =~ s/\b0\.//;
1.45.2.46  knu      2862:
1.45.2.56  knu      2863:     if (defined($checkoutMagic)
1.45.2.46  knu      2864:        && (!defined($mimetype) || $mimetype ne "text/x-cvsweb-markup")) {
1.45.2.56  knu      2865:        my $path = $where;
                   2866:        $path =~ s|/[^/]*$|/|;
1.45.2.46  knu      2867:        $url = "$scriptname/$checkoutMagic/${path}$url";
                   2868:     }
                   2869:     $url .= "?rev=$revision";
1.45.2.56  knu      2870:     $url .= '&content-type=' . urlencode($mimetype) if (defined($mimetype));
1.45.2.46  knu      2871:
1.45.2.56  knu      2872:     $url;
1.45.2.46  knu      2873: }
                   2874:
1.45.2.47  knu      2875: # Presents a link to download the
1.45.2.46  knu      2876: # selected revision
1.45.2.47  knu      2877: sub download_link($$$;$) {
1.45.2.56  knu      2878:     my ($url, $revision, $textlink, $mimetype) = @_;
                   2879:     my ($fullurl) = download_url($url, $revision, $mimetype);
                   2880:
                   2881:     printf '<A HREF="%s"', htmlquote("$fullurl$barequery");
                   2882:
1.45.2.46  knu      2883:     if ($open_extern_window && (!defined($mimetype) || $mimetype ne "text/x-cvsweb-markup")) {
1.45.2.56  knu      2884:        print ' target="cvs_checkout"';
1.45.2.46  knu      2885:        # we should have
                   2886:        #   'if (document.cvswin==null) document.cvswin=window.open(...'
                   2887:        # in order to allow the user to resize the window; otherwise
                   2888:        # the user may resize the window, but on next checkout - zap -
                   2889:        # its original (configured s. cvsweb.conf) size is back again
                   2890:        # .. annoying (if $extern_window_(width|height) is defined)
                   2891:        # but this if (..) solution is far from perfect
                   2892:        # what we need to do as well is
                   2893:        # 1) save cvswin in an invisible frame that always exists
                   2894:        #    (document.cvswin will be void on next load)
                   2895:        # 2) on close of the cvs_checkout - window set the cvswin
                   2896:        #    variable to 'null' again - so that it will be
                   2897:        #    reopenend with the configured size
                   2898:        # anyone a JavaScript programmer ?
                   2899:        # .. so here without if (..):
                   2900:        # currently, the best way is to comment out the size parameters
                   2901:        # ($extern_window...) in cvsweb.conf.
                   2902:        if ($use_java_script) {
1.45.2.56  knu      2903:            my @attr = qw(resizeable scrollbars);
                   2904:
                   2905:            push @attr, qw(status toolbar)
                   2906:              if (defined($mimetype) && $mimetype eq "text/html");
                   2907:
                   2908:            push @attr, "width=$extern_window_width"
                   2909:              if (defined($extern_window_width));
                   2910:
                   2911:            push @attr, "height=$extern_window_height"
                   2912:              if (defined($extern_window_height));
                   2913:
                   2914:            printf q` onClick="window.open('%s','cvs_checkout','%s');"`,
                   2915:              htmlquote($fullurl), join(',', @attr);
1.45.2.46  knu      2916:        }
                   2917:     }
                   2918:     print "><b>$textlink</b></A>";
                   2919: }
                   2920:
                   2921: # Returns a Query string with the
                   2922: # specified parameter toggled
                   2923: sub toggleQuery($$) {
                   2924:     my ($toggle,$value) = @_;
                   2925:     my ($newquery,$var);
                   2926:     my (%vars);
                   2927:     %vars = %input;
                   2928:     if (defined($value)) {
                   2929:        $vars{$toggle} = $value;
                   2930:     }
                   2931:     else {
                   2932:        $vars{$toggle} = $vars{$toggle} ? 0 : 1;
                   2933:     }
                   2934:     # Build a new query of non-default paramenters
                   2935:     $newquery = "";
                   2936:     foreach $var (@stickyvars) {
                   2937:        my ($value) = defined($vars{$var}) ? $vars{$var} : "";
                   2938:        my ($default) = defined($DEFAULTVALUE{$var}) ? $DEFAULTVALUE{$var} : "";
                   2939:        if ($value ne $default) {
1.45.2.56  knu      2940:            $newquery .= "&" if ($newquery ne "");
1.45.2.46  knu      2941:            $newquery .= urlencode($var) . "=" . urlencode($value);
                   2942:        }
                   2943:     }
                   2944:     if ($newquery) {
                   2945:        return '?' . $newquery;
                   2946:     }
                   2947:     return "";
                   2948: }
                   2949:
1.45.2.47  knu      2950: sub urlencode($) {
1.45.2.56  knu      2951:     local($_) = @_;
                   2952:
                   2953:     s/[\000-+{-\377]/sprintf("%%%02x", ord($&))/ge;
                   2954:
                   2955:
                   2956:        $_;
                   2957: }
                   2958:
                   2959: sub htmlquote($) {
                   2960:     local($_) = @_;
                   2961:
                   2962:     # Special Characters; RFC 1866
                   2963:     s/&/&amp;/g;
                   2964:     s/\"/&quot;/g;
                   2965:     s/</&lt;/g;
                   2966:     s/>/&gt;/g;
                   2967:
                   2968:     $_;
                   2969: }
                   2970:
                   2971: sub htmlunquote($) {
                   2972:     local($_) = @_;
                   2973:
                   2974:     # Special Characters; RFC 1866
                   2975:     s/&quot;/\"/g;
                   2976:     s/&lt;/</g;
                   2977:     s/&gt;/>/g;
                   2978:     s/&amp;/&/g;
                   2979:
                   2980:     $_;
1.45.2.46  knu      2981: }
                   2982:
1.45.2.47  knu      2983: sub http_header(;$) {
1.45.2.46  knu      2984:     my $content_type = shift || "text/html";
                   2985:     if (defined($moddate)) {
                   2986:        if ($is_mod_perl) {
1.45.2.51  knu      2987:            Apache->request->header_out("Last-Modified" => scalar gmtime($moddate) . " GMT");
1.45.2.46  knu      2988:        }
                   2989:        else {
1.45.2.56  knu      2990:            print "Last-Modified: ", scalar gmtime($moddate), " GMT\r\n";
1.45.2.46  knu      2991:        }
                   2992:     }
                   2993:     if ($is_mod_perl) {
                   2994:        Apache->request->content_type($content_type);
                   2995:     }
                   2996:     else {
                   2997:            print "Content-type: $content_type\r\n";
                   2998:     }
                   2999:     if ($allow_compress && $maycompress) {
1.45.2.51  knu      3000:        if ($has_zlib || (defined($GZIPBIN) && open(GZIP, "|$GZIPBIN -1 -c"))) {
1.45.2.46  knu      3001:            if ($is_mod_perl) {
                   3002:                    Apache->request->content_encoding("x-gzip");
                   3003:                    Apache->request->header_out(Vary => "Accept-Encoding");
                   3004:                    Apache->request->send_http_header;
                   3005:            }
                   3006:            else {
                   3007:                    print "Content-encoding: x-gzip\r\n";
                   3008:                    print "Vary: Accept-Encoding\r\n";  #RFC 2068, 14.43
                   3009:                    print "\r\n"; # Close headers
                   3010:            }
                   3011:            $| = 1; $| = 0; # Flush header output
1.45.2.51  knu      3012:            if ($has_zlib) {
                   3013:                tie *GZIP, __PACKAGE__, \*STDOUT;
                   3014:            }
                   3015:            select(GZIP);
                   3016:            $gzip_open = 1;
1.45.2.58  knu      3017: #          print "<!-- gzipped -->" if ($content_type =~ m|^text/html\b|);
1.45.2.46  knu      3018:        }
                   3019:        else {
                   3020:            if ($is_mod_perl) {
                   3021:                    Apache->request->send_http_header;
                   3022:            }
                   3023:            else {
                   3024:                    print "\r\n"; # Close headers
                   3025:            }
                   3026:            print "<font size=-1>Unable to find gzip binary in the \$PATH to compress output</font><br>";
                   3027:        }
                   3028:     }
                   3029:     else {
                   3030:            if ($is_mod_perl) {
                   3031:                    Apache->request->send_http_header;
                   3032:            }
                   3033:            else {
                   3034:                    print "\r\n"; # Close headers
                   3035:            }
                   3036:     }
                   3037: }
                   3038:
                   3039: sub html_header($) {
                   3040:     my ($title) = @_;
1.45.2.59  knu      3041:     my $version = '$zRevision: 1.104 $  $kRevision: 1.45 $'; #'
1.45.2.58  knu      3042:     http_header(defined($charset) ? "text/html; charset=$charset" : "text/html");
1.45.2.46  knu      3043:
                   3044:     (my $header = &cgi_style::html_header) =~ s/^.*\n\n//; # remove HTTP response header
                   3045:
                   3046:     print <<EOH;
                   3047: <!doctype html public "-//W3C//DTD HTML 4.0 Transitional//EN"
                   3048:  "http://www.w3.org/TR/REC-html40/loose.dtd">
                   3049: $header
                   3050: <!-- CVSweb $version -->
                   3051: EOH
                   3052: }
                   3053:
1.45.2.47  knu      3054: sub html_footer() {
1.45.2.46  knu      3055:     return &cgi_style::html_footer;
                   3056: }
                   3057:
1.45.2.47  knu      3058: sub link_tags($) {
1.45.2.46  knu      3059:     my ($tags) = @_;
                   3060:     my ($ret) = "";
                   3061:     my ($fileurl,$filename);
                   3062:
                   3063:     ($filename = $where) =~ s/^.*\///;
                   3064:     $fileurl = urlencode($filename);
                   3065:
                   3066:     foreach my $sym (split(", ", $tags)) {
                   3067:        $ret .= ",\n" if ($ret ne "");
1.45.2.56  knu      3068:        $ret .= &link($sym, $fileurl . toggleQuery('only_with_tag',$sym));
1.45.2.46  knu      3069:     }
1.45.2.56  knu      3070:     return "$ret\n";
1.45.2.46  knu      3071: }
                   3072:
                   3073: #
                   3074: # See if a module is listed in the config file's @HideModule list.
                   3075: #
1.45.2.47  knu      3076: sub forbidden_module($) {
1.45.2.46  knu      3077:     my($module) = @_;
1.45.2.47  knu      3078:
1.45.2.46  knu      3079:     for (my $i=0; $i < @HideModules; $i++) {
                   3080:        return 1 if $module eq $HideModules[$i];
                   3081:     }
                   3082:
                   3083:     return 0;
1.45.2.52  knu      3084: }
                   3085:
                   3086: # Close the GZIP handle remove the tie.
                   3087:
                   3088: sub gzipclose {
                   3089:        if ($gzip_open) {
                   3090:            select(STDOUT);
                   3091:            close(GZIP);
                   3092:            untie *GZIP;
                   3093:            $gzip_open = 0;
                   3094:        }
1.45.2.51  knu      3095: }
                   3096:
                   3097: # implement a gzipped file handle via the Compress:Zlib compression
                   3098: # library.
                   3099:
                   3100: sub MAGIC1() { 0x1f }
                   3101: sub MAGIC2() { 0x8b }
                   3102: sub OSCODE() { 3    }
                   3103:
                   3104: sub TIEHANDLE {
                   3105:        my ($class, $out) = @_;
                   3106:        my ($d) = Compress::Zlib::deflateInit(-Level => Compress::Zlib::Z_BEST_COMPRESSION(),
                   3107:                -WindowBits => -Compress::Zlib::MAX_WBITS()) or return undef;
                   3108:        my ($o) = {
                   3109:                handle => $out,
                   3110:                dh => $d,
                   3111:                crc => 0,
                   3112:                len => 0,
                   3113:        };
                   3114:        my ($header) = pack("c10", MAGIC1, MAGIC2, Compress::Zlib::Z_DEFLATED(), 0,0,0,0,0,0, OSCODE);
                   3115:        print {$o->{handle}} $header;
                   3116:        return bless($o, $class);
                   3117: }
                   3118:
                   3119: sub PRINT {
                   3120:        my ($o) = shift;
                   3121:        my ($buf) = join(defined $, ? $, : "",@_);
                   3122:        my ($len) = length($buf);
                   3123:        my ($compressed, $status) = $o->{dh}->deflate($buf);
                   3124:        print {$o->{handle}} $compressed if defined($compressed);
                   3125:        $o->{crc} = Compress::Zlib::crc32($buf, $o->{crc});
                   3126:        $o->{len} += $len;
                   3127:        return $len;
                   3128: }
                   3129:
                   3130: sub PRINTF {
                   3131:        my ($o) = shift;
                   3132:        my ($fmt) = shift;
                   3133:        my ($buf) = sprintf($fmt, @_);
                   3134:        my ($len) = length($buf);
                   3135:        my ($compressed, $status) = $o->{dh}->deflate($buf);
                   3136:        print {$o->{handle}} $compressed if defined($compressed);
                   3137:        $o->{crc} = Compress::Zlib::crc32($buf, $o->{crc});
                   3138:        $o->{len} += $len;
                   3139:        return $len;
                   3140: }
                   3141:
                   3142: sub WRITE {
                   3143:        my ($o, $buf, $len, $off) = @_;
                   3144:        my ($compressed, $status) = $o->{dh}->deflate(substr($buf, 0, $len));
                   3145:        print {$o->{handle}} $compressed if defined($compressed);
                   3146:        $o->{crc} = Compress::Zlib::crc32(substr($buf, 0, $len), $o->{crc});
                   3147:        $o->{len} += $len;
                   3148:        return $len;
                   3149: }
                   3150:
                   3151: sub CLOSE {
                   3152:        my ($o) = @_;
                   3153:        return if !defined( $o->{dh});
                   3154:        my ($buf) = $o->{dh}->flush();
                   3155:        $buf .= pack("V V", $o->{crc}, $o->{len});
                   3156:        print {$o->{handle}} $buf;
                   3157:        undef $o->{dh};
                   3158: }
                   3159:
                   3160: sub DESTROY {
                   3161:        my ($o) = @_;
                   3162:        CLOSE($o);
1.1       jfieber  3163: }

CVSweb