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Annotation of cvsweb/cvsweb.cgi, Revision 1.1.1.20

1.1.1.19  knu         1: #!/usr/bin/perl -wT
1.1       jfieber     2: #
1.1.1.1   knu         3: # cvsweb - a CGI interface to CVS trees.
1.1       jfieber     4: #
1.1.1.2   knu         5: # Written in their spare time by
1.1.1.1   knu         6: #             Bill Fenner      <fenner@FreeBSD.org>   (original work)
                      7: # extended by Henner Zeller    <zeller@think.de>,
1.1.1.2   knu         8: #             Henrik Nordstrom <hno@hem.passagen.se>
1.1.1.1   knu         9: #             Ken Coar         <coar@Apache.Org>
                     10: #             Dick Balaska     <dick@buckosoft.com>
                     11: #             Akinori MUSHA    <knu@FreeBSD.org>
1.1.1.6   knu        12: #             Jens-Uwe Mager   <jum@helios.de>
1.1       jfieber    13: #
1.1.1.1   knu        14: # Based on:
                     15: # * Bill Fenners cvsweb.cgi revision 1.28 available from:
                     16: #   http://www.FreeBSD.org/cgi/cvsweb.cgi/www/en/cgi/cvsweb.cgi
                     17: #
                     18: # Copyright (c) 1996-1998 Bill Fenner
                     19: #           (c) 1998-1999 Henner Zeller
                     20: #          (c) 1999      Henrik Nordstrom
                     21: #          (c) 2000      Akinori MUSHA
                     22: # All rights reserved.
                     23: #
                     24: # Redistribution and use in source and binary forms, with or without
                     25: # modification, are permitted provided that the following conditions
                     26: # are met:
                     27: # 1. Redistributions of source code must retain the above copyright
                     28: #    notice, this list of conditions and the following disclaimer.
                     29: # 2. Redistributions in binary form must reproduce the above copyright
                     30: #    notice, this list of conditions and the following disclaimer in the
                     31: #    documentation and/or other materials provided with the distribution.
                     32: #
                     33: # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
                     34: # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     35: # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     36: # ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
                     37: # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     38: # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     39: # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     40: # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     41: # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     42: # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     43: # SUCH DAMAGE.
                     44: #
1.1.1.12  knu        45: # $zId: cvsweb.cgi,v 1.104 2000/11/01 22:05:12 hnordstrom Exp $
1.1.1.20! knu        46: # $kId: cvsweb.cgi,v 1.57 2001/01/03 02:55:30 knu Exp $
1.1.1.1   knu        47: #
                     48: ###
                     49:
1.1.1.19  knu        50: require 5.000;
                     51:
1.1.1.1   knu        52: use strict;
                     53:
                     54: use vars qw (
                     55:     $config $allow_version_select $verbose
1.1.1.20! knu        56:     @CVSrepositories @CVSROOT %CVSROOT %CVSROOTdescr
        !            57:     %MIRRORS %DEFAULTVALUE %ICONS %MTYPES
1.1.1.11  knu        58:     @DIFFTYPES %DIFFTYPES @LOGSORTKEYS %LOGSORTKEYS
1.1.1.1   knu        59:     %alltags @tabcolors %fileinfo %tags @branchnames %nameprinted
                     60:     %symrev %revsym @allrevisions %date %author @revdisplayorder
1.1.1.4   knu        61:     @revisions %state %difflines %log %branchpoint @revorder
1.1.1.18  knu        62:     $prcgi @prcategories $re_prcategories $prkeyword $re_prkeyword $mancgi
1.1.1.1   knu        63:     $checkoutMagic $doCheckout $scriptname $scriptwhere
                     64:     $where $pathinfo $Browser $nofilelinks $maycompress @stickyvars
                     65:     %funcline_regexp $is_mod_perl
1.1.1.11  knu        66:     $is_links $is_lynx $is_w3m $is_msie $is_mozilla3 $is_textbased
1.1.1.1   knu        67:     %input $query $barequery $sortby $bydate $byrev $byauthor
1.1.1.11  knu        68:     $bylog $byfile $defaultDiffType $logsort $cvstree $cvsroot
1.1.1.13  knu        69:     $mimetype $charset $defaultTextPlain $defaultViewable
                     70:     $allow_compress $GZIPBIN $backicon $diricon $fileicon
                     71:     $fullname $newname $cvstreedefault
                     72:     $body_tag $body_tag_for_src $logo $defaulttitle $address
1.1.1.7   knu        73:     $long_intro $short_instruction $shortLogLen
1.1.1.1   knu        74:     $show_author $dirtable $tablepadding $columnHeaderColorDefault
                     75:     $columnHeaderColorSorted $hr_breakable $showfunc $hr_ignwhite
                     76:     $hr_ignkeysubst $diffcolorHeading $diffcolorEmpty $diffcolorRemove
                     77:     $diffcolorChange $diffcolorAdd $diffcolorDarkChange $difffontface
                     78:     $difffontsize $inputTextSize $mime_types $allow_annotate
                     79:     $allow_markup $use_java_script $open_extern_window
                     80:     $extern_window_width $extern_window_height $edit_option_form
1.1.1.18  knu        81:     $show_subdir_lastmod $show_log_in_markup $preformat_in_markup $v
1.1.1.1   knu        82:     $navigationHeaderColor $tableBorderColor $markupLogColor
                     83:     $tabstop $state $annTable $sel $curbranch @HideModules
                     84:     $module $use_descriptions %descriptions @mytz $dwhere $moddate
1.1.1.18  knu        85:     $use_moddate $has_zlib $gzip_open $allow_tar @tar_options @cvs_options
1.1.1.10  knu        86:     $LOG_FILESEPARATOR $LOG_REVSEPARATOR
1.1.1.1   knu        87: );
                     88:
1.1.1.2   knu        89: sub printDiffSelect($);
1.1.1.11  knu        90: sub printDiffLinks($$);
                     91: sub printLogSortSelect($);
1.1.1.2   knu        92: sub findLastModifiedSubdirs(@);
1.1.1.11  knu        93: sub htmlify_sub(&$);
1.1.1.2   knu        94: sub htmlify($;$);
1.1.1.6   knu        95: sub spacedHtmlText($;$);
1.1.1.2   knu        96: sub link($$);
                     97: sub revcmp($$);
                     98: sub fatal($$);
                     99: sub redirect($);
                    100: sub safeglob($);
                    101: sub getMimeTypeFromSuffix($);
1.1.1.6   knu       102: sub head($;$);
                    103: sub scan_directives(@);
1.1.1.2   knu       104: sub doAnnotate($$);
                    105: sub doCheckout($$);
                    106: sub cvswebMarkup($$$);
                    107: sub viewable($);
                    108: sub doDiff($$$$$$);
                    109: sub getDirLogs($$@);
                    110: sub readLog($;$);
                    111: sub printLog($;$);
                    112: sub doLog($);
                    113: sub flush_diff_rows($$$$);
                    114: sub human_readable_diff($);
                    115: sub navigateHeader($$$$$);
                    116: sub plural_write($$);
                    117: sub readableTime($$);
                    118: sub clickablePath($$);
                    119: sub chooseCVSRoot();
                    120: sub chooseMirror();
                    121: sub fileSortCmp();
                    122: sub download_url($$;$);
                    123: sub download_link($$$;$);
                    124: sub toggleQuery($$);
                    125: sub urlencode($);
1.1.1.11  knu       126: sub htmlquote($);
                    127: sub htmlunquote($);
1.1.1.17  knu       128: sub hrefquote($);
1.1.1.2   knu       129: sub http_header(;$);
                    130: sub html_header($);
                    131: sub html_footer();
                    132: sub link_tags($);
                    133: sub forbidden_module($);
                    134:
1.1.1.1   knu       135: ##### Start of Configuration Area ########
1.1.1.19  knu       136: use File::Basename;
1.1.1.1   knu       137:
1.1.1.2   knu       138: # == EDIT this ==
1.1.1.8   knu       139: # Locations to search for user configuration, in order:
                    140: for (
1.1.1.19  knu       141:      (dirname $0) . '/cvsweb.conf',
1.1.1.20! knu       142:      '/usr/local/etc/cvsweb/cvsweb.conf'
1.1.1.8   knu       143:     ) {
1.1.1.19  knu       144:     if (defined($_) && -r $_) {
                    145:        ($config) = /(.*)/; # untaint
                    146:        last;
                    147:     }
1.1.1.1   knu       148: }
                    149:
                    150: # == Configuration defaults ==
                    151: # Defaults for configuration variables that shouldn't need
                    152: # to be configured..
                    153: $allow_version_select = 1;
                    154:
                    155: ##### End of Configuration Area   ########
                    156:
                    157: ######## Configuration variables #########
                    158: # These are defined to allow checking with perl -cw
1.1.1.20! knu       159: @CVSrepositories = @CVSROOT = %CVSROOT =
        !           160: %MIRRORS = %DEFAULTVALUE = %ICONS = %MTYPES =
1.1.1.1   knu       161: %tags = %alltags = @tabcolors = ();
1.1.1.8   knu       162: $cvstreedefault = $body_tag = $body_tag_for_src =
1.1.1.7   knu       163: $logo = $defaulttitle = $address =
                    164: $long_intro = $short_instruction = $shortLogLen =
1.1.1.1   knu       165: $show_author = $dirtable = $tablepadding = $columnHeaderColorDefault =
                    166: $columnHeaderColorSorted = $hr_breakable = $showfunc = $hr_ignwhite =
                    167: $hr_ignkeysubst = $diffcolorHeading = $diffcolorEmpty = $diffcolorRemove =
                    168: $diffcolorChange = $diffcolorAdd = $diffcolorDarkChange = $difffontface =
                    169: $difffontsize = $inputTextSize = $mime_types = $allow_annotate =
                    170: $allow_markup = $use_java_script = $open_extern_window =
                    171: $extern_window_width = $extern_window_height = $edit_option_form =
1.1.1.11  knu       172: $show_subdir_lastmod = $show_log_in_markup = $v =
1.1.1.2   knu       173: $navigationHeaderColor = $tableBorderColor = $markupLogColor =
1.1.1.7   knu       174: $tabstop = $use_moddate = $moddate = $gzip_open = undef;
1.1.1.1   knu       175:
1.1.1.10  knu       176: $LOG_FILESEPARATOR = q/^={77}$/;
                    177: $LOG_REVSEPARATOR = q/^-{28}$/;
                    178:
1.1.1.11  knu       179: @DIFFTYPES = qw(h H u c s);
                    180: @DIFFTYPES{@DIFFTYPES} = (
                    181:                          {
                    182:                           'descr'   => 'colored',
                    183:                           'opts'    => [ '-u' ],
                    184:                           'colored' => 1,
                    185:                          },
                    186:                          {
                    187:                           'descr'   => 'long colored',
                    188:                           'opts'    => [ '--unified=15' ],
                    189:                           'colored' => 1,
                    190:                          },
                    191:                          {
                    192:                           'descr'   => 'unified',
                    193:                           'opts'    => [ '-u' ],
                    194:                           'colored' => 0,
                    195:                          },
                    196:                          {
                    197:                           'descr'   => 'context',
                    198:                           'opts'    => [ '-c' ],
                    199:                           'colored' => 0,
                    200:                          },
                    201:                          {
                    202:                           'descr'   => 'side by side',
                    203:                           'opts'    => [ '--side-by-side', '--width=164' ],
                    204:                           'colored' => 0,
                    205:                          },
                    206:                         );
                    207:
                    208: @LOGSORTKEYS = qw(cvs date rev);
                    209: @LOGSORTKEYS{@LOGSORTKEYS} = (
                    210:                              {
                    211:                               'descr' => 'Not sorted',
                    212:                              },
                    213:                              {
                    214:                               'descr' => 'Commit date',
                    215:                              },
                    216:                              {
                    217:                               'descr' => 'Revision',
                    218:                              },
                    219:                             );
                    220:
                    221:
1.1.1.1   knu       222: ##### End of configuration variables #####
                    223:
                    224: use Time::Local;
                    225: use IPC::Open2;
1.1       jfieber   226:
1.1.1.6   knu       227: # Check if the zlib C library interface is installed, and if yes
                    228: # we can avoid using the extra gzip process.
                    229: eval {
                    230:        require Compress::Zlib;
                    231: };
                    232: $has_zlib = !$@;
                    233:
1.1       jfieber   234: $verbose = $v;
1.1.1.1   knu       235: $checkoutMagic = "~checkout~";
                    236: $pathinfo = defined($ENV{PATH_INFO}) ? $ENV{PATH_INFO} : '';
                    237: $where = $pathinfo;
1.1.1.16  knu       238: $where =~ tr|/|/|s;
1.1.1.1   knu       239: $doCheckout = ($where =~ /^\/$checkoutMagic/);
                    240: $where =~ s|^/($checkoutMagic)?||;
1.1.1.16  knu       241: $where =~ s|/$||;
1.1.1.1   knu       242: $scriptname = defined($ENV{SCRIPT_NAME}) ? $ENV{SCRIPT_NAME} : '';
                    243: $scriptname =~ s|^/?|/|;
                    244: $scriptname =~ s|/+$||;
                    245: $scriptwhere = $scriptname;
                    246: if ($where) {
                    247:     $scriptwhere .= '/' . urlencode($where);
                    248: }
                    249:
                    250: $is_mod_perl = defined($ENV{MOD_PERL});
                    251:
                    252: # in lynx, it it very annoying to have two links
                    253: # per file, so disable the link at the icon
                    254: # in this case:
1.1.1.15  knu       255: $Browser = $ENV{HTTP_USER_AGENT} || '';
1.1.1.11  knu       256: $is_links = ($Browser =~ m`^Links `);
1.1.1.1   knu       257: $is_lynx = ($Browser =~ m`^Lynx/`i);
                    258: $is_w3m = ($Browser =~ m`^w3m/`i);
                    259: $is_msie = ($Browser =~ m`MSIE`);
                    260: $is_mozilla3 = ($Browser =~ m`^Mozilla/[3-9]`);
                    261:
1.1.1.11  knu       262: $is_textbased = ($is_links || $is_lynx || $is_w3m);
1.1.1.1   knu       263:
                    264: $nofilelinks = $is_textbased;
                    265:
                    266: # newer browsers accept gzip content encoding
                    267: # and state this in a header
                    268: # (netscape did always but didn't state it)
                    269: # It has been reported that these
                    270: #  braindamaged MS-Internet Exploders claim that they
                    271: # accept gzip .. but don't in fact and
                    272: # display garbage then :-/
1.1.1.6   knu       273: # Turn off gzip if running under mod_perl and no zlib is available,
                    274: # piping does not work as expected inside the server.
1.1.1.7   knu       275: $maycompress = (((defined($ENV{HTTP_ACCEPT_ENCODING})
                    276:                 && $ENV{HTTP_ACCEPT_ENCODING} =~ m`gzip`)
1.1.1.2   knu       277:                 || $is_mozilla3)
                    278:                && !$is_msie
1.1.1.6   knu       279:                && !($is_mod_perl && !$has_zlib));
1.1.1.1   knu       280:
                    281: # put here the variables we need in order
                    282: # to hold our state - they will be added (with
1.1.1.2   knu       283: # their current value) to any link/query string
1.1.1.1   knu       284: # you construct
                    285: @stickyvars = qw(cvsroot hideattic sortby logsort f only_with_tag);
                    286:
                    287: if (-f $config) {
1.1.1.17  knu       288:    require $config
1.1.1.8   knu       289:      || &fatal("500 Internal Error",
                    290:               sprintf('Error in loading configuration file: %s<BR><BR>%s<BR>',
                    291:                       $config, &htmlify($@)));
                    292: } else {
1.1.1.1   knu       293:    &fatal("500 Internal Error",
                    294:          'Configuration not found.  Set the variable <code>$config</code> '
                    295:           . 'in cvsweb.cgi, or the environment variable '
                    296:           . '<code>CVSWEB_CONFIG</code>, to your <b>cvsweb.conf</b> '
                    297:           . 'configuration file first.');
                    298: }
                    299:
                    300: undef %input;
                    301: $query = $ENV{QUERY_STRING};
                    302:
1.1.1.2   knu       303: if (defined($query) && $query ne '') {
1.1.1.1   knu       304:     foreach (split(/&/, $query)) {
1.1.1.16  knu       305:        y/+/ /;
1.1.1.1   knu       306:        s/%(..)/sprintf("%c", hex($1))/ge;      # unquote %-quoted
                    307:        if (/(\S+)=(.*)/) {
                    308:            $input{$1} = $2 if ($2 ne "");
                    309:        }
                    310:        else {
                    311:            $input{$_}++;
                    312:        }
                    313:     }
                    314: }
                    315:
1.1.1.2   knu       316: # For backwards compability, set only_with_tag to only_on_branch if set.
1.1.1.1   knu       317: $input{only_with_tag} = $input{only_on_branch}
                    318:     if (defined($input{only_on_branch}));
                    319:
                    320: $DEFAULTVALUE{'cvsroot'} = $cvstreedefault;
                    321:
                    322: foreach (keys %DEFAULTVALUE)
                    323: {
                    324:     # replace not given parameters with the default parameters
                    325:     if (!defined($input{$_}) || $input{$_} eq "") {
                    326:        # Empty Checkboxes in forms return -- nothing. So we define a helper
                    327:        # variable in these forms (copt) which indicates that we just set
                    328:        # parameters with a checkbox
                    329:        if (!defined($input{"copt"})) {
                    330:            # 'copt' isn't defined --> empty input is not the result
                    331:            # of empty input checkbox --> set default
                    332:            $input{$_} = $DEFAULTVALUE{$_} if (defined($DEFAULTVALUE{$_}));
                    333:        }
                    334:        else {
                    335:            # 'copt' is defined -> the result of empty input checkbox
                    336:            # -> set to zero (disable) if default is a boolean (0|1).
                    337:            $input{$_} = 0
                    338:                if (defined($DEFAULTVALUE{$_})
                    339:                    && ($DEFAULTVALUE{$_} eq "0" || $DEFAULTVALUE{$_} eq "1"));
                    340:        }
                    341:     }
                    342: }
1.1.1.2   knu       343:
1.1.1.1   knu       344: $barequery = "";
1.1.1.10  knu       345: my @barequery;
1.1.1.1   knu       346: foreach (@stickyvars) {
                    347:     # construct a query string with the sticky non default parameters set
1.1.1.2   knu       348:     if (defined($input{$_}) && $input{$_} ne '' &&
1.1.1.1   knu       349:        !(defined($DEFAULTVALUE{$_}) && $input{$_} eq $DEFAULTVALUE{$_})) {
1.1.1.10  knu       350:        push @barequery, join('=', urlencode($_), urlencode($input{$_}));
1.1.1.1   knu       351:     }
                    352: }
                    353: # is there any query ?
1.1.1.10  knu       354: if (@barequery) {
1.1.1.11  knu       355:     $barequery = join('&', @barequery);
1.1.1.1   knu       356:     $query = "?$barequery";
1.1.1.11  knu       357:     $barequery = "&$barequery";
1.1.1.1   knu       358: }
                    359: else {
                    360:     $query = "";
                    361: }
1.1.1.10  knu       362: undef @barequery;
1.1.1.1   knu       363:
1.1.1.20! knu       364: if (defined($input{path})) {
        !           365:     redirect("$scriptname/$input{path}$query");
        !           366: }
        !           367:
1.1.1.1   knu       368: # get actual parameters
                    369: $sortby = $input{"sortby"};
                    370: $bydate = 0;
                    371: $byrev = 0;
                    372: $byauthor = 0;
                    373: $bylog = 0;
                    374: $byfile = 0;
                    375: if ($sortby eq "date") {
                    376:     $bydate = 1;
                    377: }
                    378: elsif ($sortby eq "rev") {
                    379:     $byrev = 1;
                    380: }
                    381: elsif ($sortby eq "author") {
                    382:     $byauthor = 1;
                    383: }
                    384: elsif ($sortby eq "log") {
                    385:     $bylog = 1;
                    386: }
                    387: else {
                    388:     $byfile = 1;
                    389: }
                    390:
1.1.1.11  knu       391: $defaultDiffType = $input{'f'};
1.1.1.1   knu       392:
                    393: $logsort = $input{'logsort'};
                    394:
1.1.1.20! knu       395: my @tmp = @CVSrepositories;
        !           396: my @pair;
        !           397:
        !           398: while (@pair = splice(@tmp, 0, 2)) {
        !           399:     my($key, $val) = @pair;
        !           400:     my($descr, $cvsroot) = @$val;
        !           401:
        !           402:     next if !-d $cvsroot;
        !           403:
        !           404:     $CVSROOTdescr{$key} = $descr;
        !           405:     $CVSROOT{$key} = $cvsroot;
        !           406:     push @CVSROOT, $key;
        !           407: }
        !           408: undef @tmp;
        !           409: undef @pair;
1.1.1.1   knu       410:
                    411: ## Default CVS-Tree
                    412: if (!defined($CVSROOT{$cvstreedefault})) {
                    413:    &fatal("500 Internal Error",
                    414:          "<code>\$cvstreedefault</code> points to a repository "
                    415:          . "not defined in <code>%CVSROOT</code> "
                    416:          . "(edit your configuration file $config)");
                    417: }
                    418:
                    419: # alternate CVS-Tree, configured in cvsweb.conf
                    420: if ($input{'cvsroot'} && $CVSROOT{$input{'cvsroot'}}) {
                    421:     $cvstree = $input{'cvsroot'};
                    422: } else {
                    423:     $cvstree = $cvstreedefault;
                    424: }
                    425:
                    426: $cvsroot = $CVSROOT{$cvstree};
                    427:
                    428: # create icons out of description
1.1.1.10  knu       429: my $k;
                    430: foreach $k (keys %ICONS) {
1.1.1.1   knu       431:     no strict 'refs';
                    432:     my ($itxt,$ipath,$iwidth,$iheight) = @{$ICONS{$k}};
                    433:     if ($ipath) {
1.1.1.11  knu       434:        ${"${k}icon"} = sprintf('<IMG SRC="%s" ALT="%s" BORDER="0" WIDTH="%d" HEIGHT="%d">',
1.1.1.16  knu       435:                                hrefquote($ipath), htmlquote($itxt), $iwidth, $iheight)
1.1.1.1   knu       436:     }
                    437:     else {
                    438:        ${"${k}icon"} = $itxt;
                    439:     }
                    440: }
1.1.1.10  knu       441: undef $k;
1.1.1.1   knu       442:
1.1.1.8   knu       443: my $config_cvstree = "$config-$cvstree";
                    444:
1.1.1.1   knu       445: # Do some special configuration for cvstrees
1.1.1.8   knu       446: if (-f $config_cvstree) {
1.1.1.17  knu       447:    require $config_cvstree
1.1.1.8   knu       448:      || &fatal("500 Internal Error",
                    449:               sprintf('Error in loading configuration file: %s<BR><BR>%s<BR>',
                    450:                       $config_cvstree, &htmlify($@)));
                    451: }
1.1.1.10  knu       452: undef $config_cvstree;
1.1.1.1   knu       453:
1.1.1.18  knu       454: $re_prcategories = '(?:' . join('|', @prcategories) . ')' if @prcategories;
                    455: $re_prkeyword = quotemeta($prkeyword) if defined($prkeyword);
1.1.1.4   knu       456: $prcgi .= '%s' if defined($prcgi) && $prcgi !~ /%s/;
1.1.1.1   knu       457:
1.1.1.18  knu       458: $fullname = "$cvsroot/$where";
1.1.1.1   knu       459: $mimetype = &getMimeTypeFromSuffix ($fullname);
                    460: $defaultTextPlain = ($mimetype eq "text/plain");
                    461: $defaultViewable = $allow_markup && viewable($mimetype);
1.1       jfieber   462:
1.1.1.1   knu       463: # search for GZIP if compression allowed
                    464: # We've to find out if the GZIP-binary exists .. otherwise
                    465: # ge get an Internal Server Error if we try to pipe the
1.1.1.2   knu       466: # output through the nonexistent gzip ..
1.1.1.1   knu       467: # any more elegant ways to prevent this are welcome!
1.1.1.6   knu       468: if ($allow_compress && $maycompress && !$has_zlib) {
1.1.1.1   knu       469:     foreach (split(/:/, $ENV{PATH})) {
                    470:        if (-x "$_/gzip") {
                    471:            $GZIPBIN = "$_/gzip";
                    472:            last;
                    473:        }
                    474:     }
1.1       jfieber   475: }
1.1.1.1   knu       476:
1.1       jfieber   477: if (-d $fullname) {
1.1.1.1   knu       478:     #
                    479:     # ensure, that directories always end with (exactly) one '/'
                    480:     # to allow relative URL's. If they're not, make a redirect.
                    481:     ##
                    482:     if (!($pathinfo =~ m|/$|) || ($pathinfo =~ m |/{2,}$|)) {
1.1.1.20! knu       483:        redirect("$scriptwhere/$query");
1.1.1.1   knu       484:     }
                    485:     else {
                    486:        $where .= '/';
                    487:        $scriptwhere .= '/';
                    488:     }
                    489: }
                    490:
                    491: if (!-d $cvsroot) {
                    492:     &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.');
                    493: }
                    494:
                    495: #
                    496: # See if the module is in our forbidden list.
                    497: #
                    498: $where =~ m:([^/]*):;
                    499: $module = $1;
                    500: if ($module && &forbidden_module($module)) {
                    501:     &fatal("403 Forbidden", "Access to $where forbidden.");
                    502: }
1.1.1.16  knu       503:
                    504: #
                    505: # Handle tarball downloads before any headers are output.
                    506: #
                    507: if ($input{tarball}) {
                    508:     &fatal("403 Forbidden", "Downloading tarballs is prohibited.")
                    509:       unless $allow_tar;
1.1.1.19  knu       510:     my($module) = ($where =~ m,^/?(.*),);      # untaint
                    511:     $module =~ s,/[^/]*$,,;
                    512:     my($basedir) = ($module =~ m,([^/]+)$,);
1.1.1.16  knu       513:
1.1.1.19  knu       514:     if ($basedir eq '' || $module eq '') {
1.1.1.16  knu       515:        &fatal("500 Internal Error", "You cannot download the top level directory.");
                    516:     }
                    517:
                    518:     my $tmpdir = "/tmp/.cvsweb.$$." . int(time);
                    519:
                    520:     mkdir($tmpdir, 0700)
                    521:       or &fatal("500 Internal Error", "Unable to make temporary directory: $!");
                    522:
                    523:     my $fatal = '';
                    524:
1.1.1.19  knu       525:     while (1) {
1.1.1.18  knu       526:        my $tag = (exists $input{only_with_tag} && length $input{only_with_tag})
                    527:          ? $input{only_with_tag} : "HEAD";
1.1.1.16  knu       528:
1.1.1.19  knu       529:        system "cvs", @cvs_options, "-Qd", $cvsroot, "export", "-r", $tag, "-d", "$tmpdir/$basedir", $module
                    530:          and $fatal = "500 Internal Error","cvs co failure: $!: $module"
1.1.1.16  knu       531:            && last;
                    532:
                    533:        $| = 1; # Essential to get the buffering right.
                    534:
                    535:        print "Content-type: application/x-gzip\r\n\r\n";
                    536:
1.1.1.19  knu       537:        system "tar", @tar_options, "-zcf", "-", "-C", $tmpdir, $basedir
1.1.1.16  knu       538:          and $fatal = "500 Internal Error","tar zc failure: $!: $basedir"
                    539:            && last;
                    540:
1.1.1.19  knu       541:        last;
                    542:     }
1.1.1.16  knu       543:
                    544:     system "rm", "-rf", $tmpdir if -d $tmpdir;
                    545:
                    546:     &fatal($fatal) if $fatal;
                    547:
                    548:     exit;
                    549: }
                    550:
1.1.1.1   knu       551: ##############################
                    552: # View a directory
                    553: ###############################
1.1.1.16  knu       554: if (-d $fullname) {
1.1.1.1   knu       555:        my $dh = do {local(*DH);};
                    556:        opendir($dh, $fullname) || &fatal("404 Not Found","$where: $!");
                    557:        my @dir = readdir($dh);
                    558:        closedir($dh);
                    559:        my @subLevelFiles = findLastModifiedSubdirs(@dir)
                    560:            if ($show_subdir_lastmod);
                    561:        getDirLogs($cvsroot,$where,@subLevelFiles);
                    562:
                    563:        if ($where eq '/') {
                    564:            html_header($defaulttitle);
                    565:            $long_intro =~ s/!!CVSROOTdescr!!/$CVSROOTdescr{$cvstree}/g;
                    566:            print $long_intro;
                    567:        }
                    568:        else {
                    569:            html_header($where);
                    570:            print $short_instruction;
                    571:        }
                    572:
                    573:        my $descriptions;
                    574:        if (($use_descriptions) && open (DESC, "<$cvsroot/CVSROOT/descriptions")) {
                    575:            while (<DESC>) {
                    576:                chomp;
                    577:                my ($dir,$description) = /(\S+)\s+(.*)/;
                    578:                $descriptions{$dir} = $description;
                    579:            }
1.1       jfieber   580:        }
1.1.1.1   knu       581:
                    582:        print "<P><a name=\"dirlist\"></a>\n";
                    583:        # give direct access to dirs
                    584:        if ($where eq '/') {
                    585:            chooseMirror();
                    586:            chooseCVSRoot();
                    587:        }
                    588:        else {
                    589:            print "<p>Current directory: <b>", &clickablePath($where,0), "</b>\n";
                    590:
                    591:            print "<P>Current tag: <B>", $input{only_with_tag}, "</b>\n" if
                    592:                $input{only_with_tag};
                    593:
                    594:        }
1.1.1.2   knu       595:
1.1.1.1   knu       596:
                    597:        print "<HR NOSHADE>\n";
1.1       jfieber   598:        # Using <MENU> in this manner violates the HTML2.0 spec but
                    599:        # provides the results that I want in most browsers.  Another
                    600:        # case of layout spooging up HTML.
1.1.1.2   knu       601:
1.1.1.1   knu       602:        my $infocols = 0;
                    603:        if ($dirtable) {
                    604:            if (defined($tableBorderColor)) {
                    605:                # Can't this be done by defining the border for the inner table?
                    606:                print "<table border=0 cellpadding=0 width=\"100%\"><tr><td bgcolor=\"$tableBorderColor\">";
                    607:            }
                    608:            print "<table  width=\"100%\" border=0 cellspacing=1 cellpadding=$tablepadding>\n";
                    609:            $infocols++;
1.1.1.11  knu       610:            printf '<tr><th align=left bgcolor="%s">',
                    611:              $byfile ? $columnHeaderColorSorted : $columnHeaderColorDefault;
                    612:            if ($byfile) {
                    613:                print 'File';
                    614:            } else {
                    615:                print &link('File', sprintf('./%s#dirlist',
                    616:                                            &toggleQuery("sortby", "file")));
                    617:            }
1.1.1.1   knu       618:            print "</th>";
                    619:            # do not display the other column-headers, if we do not have any files
                    620:            # with revision information:
                    621:            if (scalar(%fileinfo)) {
                    622:                $infocols++;
1.1.1.11  knu       623:                printf '<th align=left bgcolor="%s">',
                    624:                  $byrev ? $columnHeaderColorSorted : $columnHeaderColorDefault;
                    625:                if ($byrev) {
                    626:                    print 'Rev.';
                    627:                } else {
                    628:                    print &link('Rev.', sprintf('./%s#dirlist',
                    629:                                                &toggleQuery("sortby", "rev")));
                    630:                }
1.1.1.1   knu       631:                print "</th>";
                    632:                $infocols++;
1.1.1.11  knu       633:                printf '<th align=left bgcolor="%s">',
                    634:                  $bydate ? $columnHeaderColorSorted : $columnHeaderColorDefault;
                    635:                if ($bydate) {
                    636:                    print 'Age';
                    637:                } else {
                    638:                    print &link('Age', sprintf('./%s#dirlist',
                    639:                                               &toggleQuery("sortby", "date")));
                    640:                }
1.1.1.1   knu       641:                print "</th>";
                    642:                if ($show_author) {
                    643:                    $infocols++;
1.1.1.11  knu       644:                    printf '<th align=left bgcolor="%s">',
                    645:                      $byauthor ? $columnHeaderColorSorted : $columnHeaderColorDefault;
                    646:                    if ($byauthor) {
                    647:                        print 'Author';
                    648:                    } else {
                    649:                        print &link('Author', sprintf('./%s#dirlist',
                    650:                                                      &toggleQuery("sortby", "author")));
                    651:                    }
1.1.1.1   knu       652:                    print "</th>";
                    653:                }
                    654:                $infocols++;
1.1.1.11  knu       655:                printf '<th align=left bgcolor="%s">',
                    656:                  $bylog ? $columnHeaderColorSorted : $columnHeaderColorDefault;
                    657:                if ($bylog) {
                    658:                    print 'Last log entry';
                    659:                } else {
                    660:                    print &link('Last log entry', sprintf('./%s#dirlist',
                    661:                                                          &toggleQuery("sortby", "log")));
                    662:                }
1.1.1.1   knu       663:                print "</th>";
                    664:            }
                    665:            elsif ($use_descriptions) {
1.1.1.11  knu       666:                printf '<th align=left bgcolor="%s">', $columnHeaderColorDefault;
1.1.1.1   knu       667:                print "Description";
                    668:                $infocols++;
                    669:            }
                    670:            print "</tr>\n";
                    671:        }
                    672:        else {
                    673:            print "<menu>\n";
                    674:        }
                    675:        my $dirrow = 0;
1.1.1.2   knu       676:
1.1.1.1   knu       677:        my $i;
                    678:        lookingforattic:
                    679:        for ($i = 0; $i <= $#dir; $i++) {
                    680:                if ($dir[$i] eq "Attic") {
                    681:                    last lookingforattic;
                    682:                }
                    683:        }
                    684:        if (!$input{'hideattic'} && ($i <= $#dir) &&
                    685:            opendir($dh, $fullname . "/Attic")) {
                    686:            splice(@dir, $i, 1,
                    687:                        grep((s|^|Attic/|,!m|/\.|), readdir($dh)));
                    688:            closedir($dh);
                    689:        }
                    690:
1.1.1.11  knu       691:        my $hideAtticToggleLink = $input{'hideattic'} ? '' :
                    692:          &link('[Hide]', sprintf('./%s#dirlist',
                    693:                                  &toggleQuery ("hideattic")));
1.1.1.1   knu       694:
                    695:        # Sort without the Attic/ pathname.
                    696:        # place directories first
                    697:
                    698:        my $attic;
                    699:        my $url;
                    700:        my $fileurl;
                    701:        my $filesexists;
                    702:        my $filesfound;
                    703:
                    704:        foreach (sort { &fileSortCmp } @dir) {
1.1       jfieber   705:            if ($_ eq '.') {
                    706:                next;
                    707:            }
1.1.1.1   knu       708:            # ignore CVS lock and stale NFS files
                    709:            next if (/^#cvs\.|^,|^\.nfs/);
                    710:
                    711:            # Check whether to show the CVSROOT path
                    712:            next if ($input{'hidecvsroot'} && ($_ eq 'CVSROOT'));
                    713:
                    714:            # Check whether the module is in the restricted list
                    715:            next if ($_ && &forbidden_module($_));
                    716:
                    717:            # Ignore non-readable files
                    718:            next if ($input{'hidenonreadable'} && !(-r "$fullname/$_"));
                    719:
                    720:            if (s|^Attic/||) {
                    721:                $attic  = " (in the Attic)&nbsp;" . $hideAtticToggleLink;
                    722:            }
                    723:            else {
                    724:                $attic = "";
                    725:            }
                    726:
                    727:            if ($_ eq '..' || -d "$fullname/$_") {
                    728:                next if ($_ eq '..' && $where eq '/');
                    729:                my ($rev,$date,$log,$author,$filename) = @{$fileinfo{$_}}
                    730:                    if (defined($fileinfo{$_}));
1.1.1.11  knu       731:                printf '<tr bgcolor="%s"><td>', $tabcolors[$dirrow % 2] if $dirtable;
1.1.1.1   knu       732:                if ($_ eq '..') {
1.1.1.11  knu       733:                    $url = "../$query";
1.1.1.1   knu       734:                    if ($nofilelinks) {
                    735:                        print $backicon;
                    736:                    }
                    737:                    else {
1.1.1.11  knu       738:                        print &link($backicon, $url);
1.1.1.1   knu       739:                    }
1.1.1.11  knu       740:                    print " ", &link("Previous Directory", $url);
1.1.1.1   knu       741:                }
                    742:                else {
1.1.1.11  knu       743:                    $url = urlencode($_) . "/$query";
1.1.1.1   knu       744:                    print "<A NAME=\"$_\"></A>";
                    745:                    if ($nofilelinks) {
                    746:                        print $diricon;
                    747:                    }
                    748:                    else {
1.1.1.11  knu       749:                        print &link($diricon, $url);
1.1.1.1   knu       750:                    }
1.1.1.11  knu       751:                    print " ", &link("$_/", $url), $attic;
1.1.1.1   knu       752:                    if ($_ eq "Attic") {
1.1.1.11  knu       753:                        print "&nbsp; ";
                    754:                        print &link("[Don't hide]", sprintf('./%s#dirlist',
                    755:                                                            &toggleQuery ("hideattic")));
1.1.1.1   knu       756:                    }
1.1.1.2   knu       757:                }
1.1.1.1   knu       758:                # Show last change in dir
                    759:                if ($filename) {
                    760:                    print "</td><td>&nbsp;</td><td>&nbsp;" if ($dirtable);
                    761:                    if ($date) {
1.1.1.11  knu       762:                        print " <i>", readableTime(time() - $date,0), "</i>";
1.1.1.1   knu       763:                    }
                    764:                    if ($show_author) {
                    765:                        print "</td><td>&nbsp;" if ($dirtable);
                    766:                        print $author;
                    767:                    }
                    768:                    print "</td><td>&nbsp;" if ($dirtable);
                    769:                    $filename =~ s%^[^/]+/%%;
                    770:                    print "$filename/$rev";
                    771:                    print "<BR>" if ($dirtable);
                    772:                    if ($log) {
1.1.1.11  knu       773:                        print "&nbsp;<font size=-1>",
                    774:                          &htmlify(substr($log,0,$shortLogLen));
1.1.1.1   knu       775:                        if (length $log > 80) {
                    776:                            print "...";
                    777:                        }
                    778:                        print "</font>";
                    779:                    }
                    780:                }
                    781:                else {
                    782:                    my ($dwhere) = ($where ne "/" ? $where : "") . $_;
                    783:                    if ($use_descriptions && defined $descriptions{$dwhere}) {
1.1.1.11  knu       784:                        print "<TD COLSPAN=", ($infocols-1), ">&nbsp;" if $dirtable;
1.1.1.1   knu       785:                        print $descriptions{$dwhere};
                    786:                    } elsif ($dirtable && $infocols > 1) {
                    787:                        # close the row with the appropriate number of
                    788:                        # columns, so that the vertical seperators are visible
                    789:                        my($cols) = $infocols;
                    790:                        while ($cols > 1) {
                    791:                            print "</td><td>&nbsp;";
                    792:                            $cols--;
                    793:                        }
                    794:                    }
                    795:                }
                    796:                if ($dirtable) {
                    797:                    print "</td></tr>\n";
                    798:                }
                    799:                else {
                    800:                    print "<br>\n";
                    801:                }
                    802:                $dirrow++;
                    803:            }
                    804:            elsif (s/,v$//) {
                    805:                $fileurl = ($attic ? "Attic/" : "") . urlencode($_);
                    806:                $url = $fileurl . $query;
                    807:                my $rev = '';
                    808:                my $date = '';
                    809:                my $log = '';
                    810:                my $author = '';
                    811:                $filesexists++;
                    812:                next if (!defined($fileinfo{$_}));
                    813:                ($rev,$date,$log,$author) = @{$fileinfo{$_}};
                    814:                $filesfound++;
1.1.1.11  knu       815:                printf '<tr bgcolor="%s"><td>', $tabcolors[$dirrow % 2] if $dirtable;
1.1.1.1   knu       816:                print "<A NAME=\"$_\"></A>";
                    817:                if ($nofilelinks) {
                    818:                    print $fileicon;
                    819:                }
                    820:                else {
                    821:                    print &link($fileicon,$url);
                    822:                }
                    823:                print " ", &link($_, $url), $attic;
                    824:                print "</td><td>&nbsp;" if ($dirtable);
                    825:                download_link($fileurl,
1.1.1.11  knu       826:                              $rev, $rev,
                    827:                              $defaultViewable ? "text/x-cvsweb-markup" : undef);
1.1.1.1   knu       828:                print "</td><td>&nbsp;" if ($dirtable);
                    829:                if ($date) {
1.1.1.11  knu       830:                    print " <i>", readableTime(time() - $date,0), "</i>";
1.1.1.1   knu       831:                }
                    832:                if ($show_author) {
                    833:                    print "</td><td>&nbsp;" if ($dirtable);
                    834:                    print $author;
                    835:                }
                    836:                print "</td><td>&nbsp;" if ($dirtable);
                    837:                if ($log) {
1.1.1.11  knu       838:                    print " <font size=-1>", &htmlify(substr($log,0,$shortLogLen));
1.1.1.1   knu       839:                    if (length $log > 80) {
                    840:                        print "...";
                    841:                    }
                    842:                    print "</font>";
                    843:                }
                    844:                print "</td>" if ($dirtable);
                    845:                print (($dirtable) ? "</tr>" : "<br>");
                    846:                $dirrow++;
                    847:            }
                    848:            print "\n";
                    849:        }
                    850:        if ($dirtable && defined($tableBorderColor)) {
                    851:            print "</td></tr></table>";
                    852:        }
1.1.1.11  knu       853:        print( $dirtable == 1 ? "</table>\n" : "</menu>\n" );
1.1.1.2   knu       854:
1.1.1.1   knu       855:        if ($filesexists && !$filesfound) {
                    856:            print "<P><B>NOTE:</B> There are $filesexists files, but none matches the current tag ($input{only_with_tag})\n";
                    857:        }
                    858:        if ($input{only_with_tag} && (!%tags || !$tags{$input{only_with_tag}})) {
                    859:            %tags = %alltags
                    860:        }
1.1.1.2   knu       861:        if (scalar %tags
                    862:            || $input{only_with_tag}
1.1.1.1   knu       863:            || $edit_option_form
                    864:            || defined($input{"options"})) {
                    865:            print "<hr size=1 NOSHADE>";
                    866:        }
                    867:
                    868:        if (scalar %tags || $input{only_with_tag}) {
                    869:            print "<FORM METHOD=\"GET\" ACTION=\"./\">\n";
                    870:            foreach my $var (@stickyvars) {
                    871:                print "<INPUT TYPE=HIDDEN NAME=\"$var\" VALUE=\"$input{$var}\">\n"
                    872:                    if (defined($input{$var})
1.1.1.6   knu       873:                        && (!defined($DEFAULTVALUE{$var})
                    874:                            || $input{$var} ne $DEFAULTVALUE{$var})
1.1.1.1   knu       875:                        && $input{$var} ne ""
                    876:                        && $var ne "only_with_tag");
                    877:            }
                    878:            print "Show only files with tag:\n";
                    879:            print "<SELECT NAME=only_with_tag";
                    880:            print " onchange=\"submit()\"" if ($use_java_script);
                    881:            print ">";
                    882:            print "<OPTION VALUE=\"\">All tags / default branch\n";
                    883:            foreach my $tag (reverse sort { lc $a cmp lc $b } keys %tags) {
1.1.1.2   knu       884:                print "<OPTION",defined($input{only_with_tag}) &&
                    885:                       $input{only_with_tag} eq $tag ? " SELECTED" : "",
1.1.1.1   knu       886:                       ">$tag\n";
                    887:            }
                    888:            print "</SELECT>\n";
1.1.1.20! knu       889:            print " Module path or alias:\n";
        !           890:            printf "<INPUT TYPE=TEXT NAME=\"path\" VALUE=\"%s\" SIZE=15>\n", htmlquote($where);
1.1.1.1   knu       891:            print "<INPUT TYPE=SUBMIT VALUE=\"Go\">\n";
                    892:            print "</FORM>\n";
                    893:        }
1.1.1.16  knu       894:
                    895:        if ($allow_tar) {
                    896:            my($basefile) = ($where =~ m,(?:.*/)?([^/]+),);
                    897:
1.1.1.20! knu       898:            if (defined($basefile) && $basefile ne '') {
1.1.1.16  knu       899:                print "<HR NOSHADE>\n",
                    900:                  "<DIV align=center>",
                    901:                    &link("Download this directory in tarball",
                    902:                          # Mangle the filename so browsers show a reasonable
                    903:                          # filename to download.
                    904:                          "$basefile.tar.gz$query".
                    905:                          ($query ? "&" : "?")."tarball=1"),
                    906:                            "</DIV>";
                    907:            }
                    908:        }
                    909:
1.1.1.1   knu       910:        my $formwhere = $scriptwhere;
                    911:        $formwhere =~ s|Attic/?$|| if ($input{'hideattic'});
                    912:
                    913:        if ($edit_option_form || defined($input{"options"})) {
                    914:            print "<FORM METHOD=\"GET\" ACTION=\"${formwhere}\">\n";
                    915:            print "<INPUT TYPE=HIDDEN NAME=\"copt\" VALUE=\"1\">\n";
                    916:            if ($cvstree ne $cvstreedefault) {
                    917:                print "<INPUT TYPE=HIDDEN NAME=\"cvsroot\" VALUE=\"$cvstree\">\n";
                    918:            }
                    919:            print "<center><table cellpadding=0 cellspacing=0>";
                    920:            print "<tr bgcolor=\"$columnHeaderColorDefault\"><th colspan=2>Preferences</th></tr>";
                    921:            print "<tr><td>Sort files by <SELECT name=\"sortby\">";
                    922:            print "<OPTION VALUE=\"\">File";
                    923:            print "<OPTION",$bydate ? " SELECTED" : ""," VALUE=date>Age";
                    924:            print "<OPTION",$byauthor ? " SELECTED" : ""," VALUE=author>Author"
                    925:                if ($show_author);
                    926:            print "<OPTION",$byrev ? " SELECTED" : ""," VALUE=rev>Revision";
                    927:            print "<OPTION",$bylog ? " SELECTED" : ""," VALUE=log>Log message";
                    928:            print "</SELECT></td>";
1.1.1.11  knu       929:            print "<td>Sort log by: ";
                    930:            printLogSortSelect(0);
                    931:            print "</td></tr>";
1.1.1.1   knu       932:            print "<tr><td>Diff format: ";
1.1.1.2   knu       933:            printDiffSelect(0);
1.1.1.1   knu       934:            print "</td>";
                    935:            print "<td>Show Attic files: ";
1.1.1.2   knu       936:            print "<INPUT NAME=hideattic TYPE=CHECKBOX", $input{'hideattic'} ? " CHECKED" : "",
1.1.1.1   knu       937:            "></td></tr>\n";
                    938:            print "<tr><td align=center colspan=2><input type=submit value=\"Change Options\">";
                    939:            print "</td></tr></table></center></FORM>\n";
                    940:        }
                    941:        print &html_footer;
1.1       jfieber   942:        print "</BODY></HTML>\n";
1.1.1.2   knu       943:     }
1.1.1.1   knu       944:
                    945: ###############################
                    946: # View Files
                    947: ###############################
                    948:     elsif (-f $fullname . ',v') {
                    949:        if (defined($input{'rev'}) || $doCheckout) {
                    950:            &doCheckout($fullname, $input{'rev'});
1.1.1.7   knu       951:            gzipclose();
1.1.1.1   knu       952:            exit;
                    953:        }
                    954:        if (defined($input{'annotate'}) && $allow_annotate) {
                    955:            &doAnnotate($input{'annotate'});
1.1.1.7   knu       956:            gzipclose();
1.1.1.1   knu       957:            exit;
                    958:        }
                    959:        if (defined($input{'r1'}) && defined($input{'r2'})) {
                    960:            &doDiff($fullname, $input{'r1'}, $input{'tr1'},
                    961:                    $input{'r2'}, $input{'tr2'}, $input{'f'});
1.1.1.7   knu       962:            gzipclose();
1.1.1.1   knu       963:            exit;
                    964:        }
                    965:        print("going to dolog($fullname)\n") if ($verbose);
                    966:        &doLog($fullname);
                    967: ##############################
                    968: # View Diff
                    969: ##############################
                    970:     }
                    971:     elsif ($fullname =~ s/\.diff$// && -f $fullname . ",v" &&
                    972:           $input{'r1'} && $input{'r2'}) {
                    973:
                    974:        # $where-diff-removal if 'cvs rdiff' is used
                    975:        # .. but 'cvs rdiff'doesn't support some options
                    976:        # rcsdiff does (-w and -p), so it is disabled
                    977:        # $where =~ s/\.diff$//;
                    978:
                    979:        # Allow diffs using the ".diff" extension
                    980:        # so that browsers that default to the URL
                    981:        # for a save filename don't save diff's as
                    982:        # e.g. foo.c
                    983:        &doDiff($fullname, $input{'r1'}, $input{'tr1'},
                    984:                $input{'r2'}, $input{'tr2'}, $input{'f'});
1.1.1.7   knu       985:        gzipclose();
1.1.1.1   knu       986:        exit;
                    987:     }
                    988:     elsif (($newname = $fullname) =~ s|/([^/]+)$|/Attic/$1| &&
                    989:           -f $newname . ",v") {
                    990:        # The file has been removed and is in the Attic.
                    991:        # Send a redirect pointing to the file in the Attic.
                    992:        (my $newplace = $scriptwhere) =~ s|/([^/]+)$|/Attic/$1|;
1.1.1.20! knu       993:        redirect("$newplace$query");
1.1.1.1   knu       994:        exit;
                    995:     }
                    996:     elsif (0 && (my @files = &safeglob($fullname . ",v"))) {
                    997:        http_header("text/plain");
                    998:        print "You matched the following files:\n";
                    999:        print join("\n", @files);
                   1000:        # Find the tags from each file
                   1001:        # Display a form offering diffs between said tags
                   1002:     }
                   1003:     else {
                   1004:        my $fh = do {local(*FH);};
                   1005:        my ($xtra, $module);
                   1006:        # Assume it's a module name with a potential path following it.
1.1.1.15  knu      1007:        $xtra = (($module = $where) =~ s|/.*||) ? $& : '';
1.1.1.1   knu      1008:        # Is there an indexed version of modules?
                   1009:        if (open($fh, "$cvsroot/CVSROOT/modules")) {
                   1010:            while (<$fh>) {
                   1011:                if (/^(\S+)\s+(\S+)/o && $module eq $1
1.1.1.15  knu      1012:                    && -d "$cvsroot/$2" && $module ne $2) {
1.1.1.20! knu      1013:                    redirect("$scriptname/$2$xtra$query");
1.1.1.1   knu      1014:                }
                   1015:            }
                   1016:        }
                   1017:        &fatal("404 Not Found","$where: no such file or directory");
                   1018:     }
1.1.1.6   knu      1019:
1.1.1.7   knu      1020: gzipclose();
1.1.1.1   knu      1021: ## End MAIN
                   1022:
1.1.1.2   knu      1023: sub printDiffSelect($) {
1.1.1.1   knu      1024:     my ($use_java_script) = @_;
1.1.1.11  knu      1025:     my $f = $input{'f'};
                   1026:
                   1027:     print '<SELECT NAME="f"';
                   1028:     print ' onchange="submit()"' if $use_java_script;
                   1029:     print '>';
                   1030:
                   1031:     local $_;
                   1032:     for (@DIFFTYPES) {
                   1033:        printf('<OPTION VALUE="%s"%s>%s',
                   1034:               $_,
                   1035:               $f eq $_ ? ' SELECTED' : '',
                   1036:               "\u$DIFFTYPES{$_}{'descr'}"
                   1037:              );
                   1038:     }
                   1039:
                   1040:     print "</SELECT>";
                   1041: }
                   1042:
                   1043: sub printLogSortSelect($) {
                   1044:     my ($use_java_script) = @_;
                   1045:
                   1046:     print '<SELECT NAME="logsort"';
                   1047:     print ' onchange="submit()"' if $use_java_script;
                   1048:     print '>';
                   1049:
                   1050:     local $_;
                   1051:     for (@LOGSORTKEYS) {
                   1052:        printf('<OPTION VALUE="%s"%s>%s',
                   1053:               $_,
                   1054:               $logsort eq $_ ? ' SELECTED' : '',
                   1055:               "\u$LOGSORTKEYS{$_}{'descr'}"
                   1056:              );
                   1057:     }
                   1058:
1.1.1.1   knu      1059:     print "</SELECT>";
                   1060: }
                   1061:
1.1.1.2   knu      1062: sub findLastModifiedSubdirs(@) {
1.1.1.1   knu      1063:     my (@dirs) = @_;
                   1064:     my ($dirname, @files);
                   1065:
                   1066:     foreach $dirname (@dirs) {
                   1067:        next if ($dirname eq ".");
                   1068:        next if ($dirname eq "..");
                   1069:        my ($dir) = "$fullname/$dirname";
                   1070:        next if (!-d $dir);
                   1071:
                   1072:        my ($lastmod) = undef;
                   1073:        my ($lastmodtime) = undef;
                   1074:        my $dh = do {local(*DH);};
                   1075:
                   1076:        opendir($dh,$dir) || next;
                   1077:        my (@filenames) = readdir($dh);
                   1078:        closedir($dh);
                   1079:
                   1080:        foreach my $filename (@filenames) {
                   1081:            $filename = "$dirname/$filename";
                   1082:            my ($file) = "$fullname/$filename";
                   1083:            next if ($filename !~ /,v$/ || !-f $file);
                   1084:            $filename =~ s/,v$//;
                   1085:            my $modtime = -M $file;
                   1086:            if (!defined($lastmod) || $modtime < $lastmodtime) {
                   1087:                $lastmod = $filename;
                   1088:                $lastmodtime = $modtime;
                   1089:            }
                   1090:        }
                   1091:        push(@files, $lastmod) if (defined($lastmod));
                   1092:     }
                   1093:     return @files;
                   1094: }
                   1095:
1.1.1.11  knu      1096: sub htmlify_sub(&$) {
                   1097:     (my $proc, local $_) = @_;
                   1098:     local @_ = split(m`(<a [^>]+>[^<]*</a>)`i);
1.1.1.12  knu      1099:     my $linked;
                   1100:     my $result = '';
1.1.1.11  knu      1101:
                   1102:     while (($_, $linked) = splice(@_, 0, 2)) {
                   1103:        &$proc();
1.1.1.12  knu      1104:        $result .= $_ if defined($_);
                   1105:        $result .= $linked if defined($linked);
1.1.1.11  knu      1106:     }
1.1.1.1   knu      1107:
1.1.1.11  knu      1108:     $result;
                   1109: }
1.1.1.1   knu      1110:
1.1.1.11  knu      1111: sub htmlify($;$) {
                   1112:     (local $_, my $extra) = @_;
1.1.1.1   knu      1113:
1.1.1.11  knu      1114:     $_ = htmlquote($_);
1.1.1.4   knu      1115:
1.1.1.11  knu      1116:     # get URL's as link
                   1117:     s{
                   1118:       (http|ftp|https)://\S+
                   1119:      }{
                   1120:         &link($&, htmlunquote($&))
                   1121:      }egx;
                   1122:
                   1123:     # get e-mails as link
                   1124:     $_ = htmlify_sub {
                   1125:        s<
                   1126:          [\w+=\-.!]+@[\w\-]+(\.[\w\-]+)+
                   1127:            ><
                   1128:              &link($&, "mailto:$&")
                   1129:                >egix;
                   1130:     } $_;
                   1131:
                   1132:     if ($extra) {
                   1133:        # get PR #'s as link: "PR#nnnn" "PR: nnnn, ..." "PR nnnn, ..." "bin/nnnn"
1.1.1.18  knu      1134:        if (defined($prcgi) && defined($re_prcategories) && defined($re_prkeyword)) {
1.1.1.11  knu      1135:            my $prev;
                   1136:
                   1137:            do {
                   1138:                $prev = $_;
                   1139:
                   1140:                $_ = htmlify_sub {
                   1141:                    s{
1.1.1.18  knu      1142:                      (\b$re_prkeyword[:\#]?\s*
1.1.1.11  knu      1143:                       (?:
                   1144:                        \#?
                   1145:                        \d+[,\s]\s*
                   1146:                       )*
                   1147:                       \#?)
                   1148:                      (\d+)\b
                   1149:                     }{
1.1.1.14  knu      1150:                         $1 . &link($2, sprintf($prcgi, $2))
1.1.1.11  knu      1151:                     }egix;
                   1152:                } $_;
                   1153:            } while ($_ ne $prev);
                   1154:
                   1155:            $_ = htmlify_sub {
                   1156:                s{
1.1.1.18  knu      1157:                  (\b$re_prcategories/(\d+)\b)
1.1.1.11  knu      1158:                 }{
1.1.1.14  knu      1159:                     &link($1, sprintf($prcgi, $2))
1.1.1.11  knu      1160:                 }egox;
                   1161:            } $_;
                   1162:        }
                   1163:
                   1164:        # get manpage specs as link: "foo.1" "foo(1)"
                   1165:        if (defined($mancgi)) {
                   1166:            $_ = htmlify_sub {
                   1167:                s{
1.1.1.18  knu      1168:                  (\b([a-zA-Z][\w.]+)
1.1.1.11  knu      1169:                   (?:
                   1170:                    \( ([0-9n]) \)\B
                   1171:                    |
                   1172:                    \.([0-9n])\b
                   1173:                   )
                   1174:                  )
                   1175:                 }{
1.1.1.18  knu      1176:                     &link($1, sprintf($mancgi, defined($3) ? $3 : $4, $2))
1.1.1.11  knu      1177:                 }egx;
                   1178:            } $_;
1.1.1.1   knu      1179:        }
1.1.1.11  knu      1180:     }
1.1.1.1   knu      1181:
1.1.1.11  knu      1182:     $_;
1.1.1.1   knu      1183: }
                   1184:
1.1.1.6   knu      1185: sub spacedHtmlText($;$) {
1.1.1.2   knu      1186:        local $_ = $_[0];
1.1.1.6   knu      1187:        my $ts = $_[1] || $tabstop;
1.1.1.1   knu      1188:
1.1.1.6   knu      1189:        # Cut trailing spaces and tabs
                   1190:        s/[ \t]+$//;
1.1.1.1   knu      1191:
1.1.1.6   knu      1192:         if (defined($ts)) {
                   1193:            # Expand tabs
                   1194:            1 while s/\t+/' ' x (length($&) * $ts - length($`) % $ts)/e
                   1195:        }
1.1.1.1   knu      1196:
                   1197:        # replace <tab> and <space> (\001 is to protect us from htmlify)
                   1198:        # gzip can make excellent use of this repeating pattern :-)
                   1199:        if ($hr_breakable) {
                   1200:            # make every other space 'breakable'
1.1.1.2   knu      1201:            s/  / \001nbsp;/g;                              # 2 * <space>
1.1.1.1   knu      1202:            # leave single space as it is
1.1.1.6   knu      1203:        } else {
1.1.1.2   knu      1204:            s/ /\001nbsp;/g;
1.1.1.1   knu      1205:        }
                   1206:
1.1.1.2   knu      1207:        $_ = htmlify($_);
1.1.1.1   knu      1208:
                   1209:        # unescape
1.1.1.6   knu      1210:        y/\001/&/;
1.1.1.1   knu      1211:
1.1.1.2   knu      1212:        return $_;
1.1.1.1   knu      1213: }
                   1214:
1.1.1.2   knu      1215: sub link($$) {
1.1.1.1   knu      1216:        my($name, $where) = @_;
                   1217:
1.1.1.16  knu      1218:        sprintf '<A HREF="%s">%s</A>', hrefquote($where), $name;
1.1.1.1   knu      1219: }
                   1220:
1.1.1.2   knu      1221: sub revcmp($$) {
1.1.1.1   knu      1222:        my($rev1, $rev2) = @_;
1.1.1.3   knu      1223:
                   1224:        # make no comparison for a tag or a branch
                   1225:        return 0 if $rev1 =~ /[^\d.]/ || $rev2 =~ /[^\d.]/;
                   1226:
1.1.1.1   knu      1227:        my(@r1) = split(/\./, $rev1);
                   1228:        my(@r2) = split(/\./, $rev2);
                   1229:        my($a,$b);
                   1230:
                   1231:        while (($a = shift(@r1)) && ($b = shift(@r2))) {
                   1232:            if ($a != $b) {
                   1233:                return $a <=> $b;
1.1       jfieber  1234:            }
1.1.1.1   knu      1235:        }
                   1236:        if (@r1) { return 1; }
                   1237:        if (@r2) { return -1; }
                   1238:        return 0;
                   1239: }
                   1240:
1.1.1.2   knu      1241: sub fatal($$) {
1.1.1.1   knu      1242:        my($errcode, $errmsg) = @_;
                   1243:        if ($is_mod_perl) {
                   1244:                Apache->request->status((split(/ /, $errcode))[0]);
                   1245:        }
                   1246:        else {
                   1247:                print "Status: $errcode\r\n";
                   1248:        }
                   1249:        html_header("Error");
                   1250:        print "Error: $errmsg\n";
                   1251:        print &html_footer;
                   1252:        exit(1);
                   1253: }
                   1254:
1.1.1.2   knu      1255: sub redirect($) {
1.1.1.1   knu      1256:        my($url) = @_;
                   1257:        if ($is_mod_perl) {
                   1258:                Apache->request->status(301);
                   1259:                Apache->request->header_out(Location => $url);
                   1260:        }
                   1261:        else {
                   1262:                print "Status: 301 Moved\r\n";
                   1263:                print "Location: $url\r\n";
                   1264:        }
                   1265:        html_header("Moved");
1.1.1.11  knu      1266:        print "This document is located ", &link('here', $url), "\n";
1.1.1.1   knu      1267:        print &html_footer;
                   1268:        exit(1);
                   1269: }
                   1270:
1.1.1.2   knu      1271: sub safeglob($) {
1.1.1.1   knu      1272:        my ($filename) = @_;
                   1273:        my ($dirname);
                   1274:        my (@results);
                   1275:        my $dh = do {local(*DH);};
                   1276:
                   1277:        ($dirname = $filename) =~ s|/[^/]+$||;
                   1278:        $filename =~ s|.*/||;
                   1279:
                   1280:        if (opendir($dh, $dirname)) {
                   1281:                my $glob = $filename;
                   1282:                my $t;
                   1283:        #       transform filename from glob to regex.  Deal with:
                   1284:        #       [, {, ?, * as glob chars
                   1285:        #       make sure to escape all other regex chars
                   1286:                $glob =~ s/([\.\(\)\|\+])/\\$1/g;
                   1287:                $glob =~ s/\*/.*/g;
                   1288:                $glob =~ s/\?/./g;
                   1289:                $glob =~ s/{([^}]+)}/($t = $1) =~ s-,-|-g; "($t)"/eg;
                   1290:                foreach (readdir($dh)) {
                   1291:                        if (/^${glob}$/) {
1.1.1.11  knu      1292:                                push(@results, "$dirname/" .$_);
1.1.1.1   knu      1293:                        }
                   1294:                }
                   1295:        }
                   1296:
                   1297:        @results;
                   1298: }
                   1299:
1.1.1.2   knu      1300: sub getMimeTypeFromSuffix($) {
1.1.1.1   knu      1301:     my ($fullname) = @_;
                   1302:     my ($mimetype, $suffix);
                   1303:     my $fh = do {local(*FH);};
                   1304:
                   1305:     ($suffix = $fullname) =~ s/^.*\.([^.]*)$/$1/;
                   1306:     $mimetype = $MTYPES{$suffix};
                   1307:     $mimetype = $MTYPES{'*'} if (!$mimetype);
1.1.1.2   knu      1308:
1.1.1.1   knu      1309:     if (!$mimetype && -f $mime_types) {
                   1310:        # okey, this is something special - search the
                   1311:        # mime.types database
                   1312:        open ($fh, "<$mime_types");
                   1313:        while (<$fh>) {
                   1314:            if ($_ =~ /^\s*(\S+\/\S+).*\b$suffix\b/) {
                   1315:                $mimetype = $1;
                   1316:                last;
                   1317:            }
                   1318:        }
                   1319:        close ($fh);
                   1320:     }
1.1.1.2   knu      1321:
1.1.1.1   knu      1322: # okey, didn't find anything useful ..
                   1323:     if (!($mimetype =~ /\S\/\S/)) {
                   1324:        $mimetype = "text/plain";
                   1325:     }
                   1326:     return $mimetype;
                   1327: }
                   1328:
                   1329: ###############################
1.1.1.6   knu      1330: # read first lines like head(1)
                   1331: ###############################
                   1332: sub head($;$) {
                   1333:     my $fh = $_[0];
                   1334:     my $linecount = $_[1] || 10;
                   1335:
                   1336:     my @buf;
                   1337:
                   1338:     if ($linecount > 0) {
                   1339:        my $i;
                   1340:        for ($i = 0; !eof($fh) && $i < $linecount; $i++) {
                   1341:            push @buf, scalar <$fh>;
                   1342:        }
                   1343:     } else {
                   1344:        @buf = <$fh>;
                   1345:     }
                   1346:
                   1347:     @buf;
                   1348: }
                   1349:
                   1350: ###############################
                   1351: # scan vim and Emacs directives
                   1352: ###############################
                   1353: sub scan_directives(@) {
                   1354:     my $ts = undef;
                   1355:
                   1356:     for (@_) {
                   1357:        $ts = $1 if /\b(?:ts|tabstop|tab-width)[:=]\s*([1-9]\d*)\b/;
                   1358:     }
                   1359:
                   1360:     ('tabstop' => $ts);
                   1361: }
                   1362:
                   1363: ###############################
1.1.1.1   knu      1364: # show Annotation
                   1365: ###############################
1.1.1.2   knu      1366: sub doAnnotate($$) {
1.1.1.1   knu      1367:     my ($rev) = @_;
                   1368:     my ($pid);
                   1369:     my ($pathname, $filename);
                   1370:     my $reader = do {local(*FH);};
                   1371:     my $writer = do {local(*FH);};
                   1372:
                   1373:     # make sure the revisions a wellformed, for security
                   1374:     # reasons ..
1.1.1.3   knu      1375:     if ($rev =~ /[^\w.]/) {
1.1.1.1   knu      1376:        &fatal("404 Not Found",
                   1377:                "Malformed query \"$ENV{QUERY_STRING}\"");
                   1378:     }
                   1379:
                   1380:     ($pathname = $where) =~ s/(Attic\/)?[^\/]*$//;
                   1381:     ($filename = $where) =~ s/^.*\///;
                   1382:
                   1383:     # this seems to be necessary
                   1384:     $| = 1; $| = 0; # Flush
                   1385:
                   1386:     # this annotate version is based on the
                   1387:     # cvs annotate-demo Perl script by Cyclic Software
                   1388:     # It was written by Cyclic Software, http://www.cyclic.com/, and is in
                   1389:     # the public domain.
                   1390:     # we could abandon the use of rlog, rcsdiff and co using
                   1391:     # the cvsserver in a similiar way one day (..after rewrite)
1.1.1.19  knu      1392:     $pid = open2($reader, $writer, "cvs", @cvs_options, "server")
                   1393:       || fatal ("500 Internal Error", "Fatal Error - unable to open cvs for annotation");
1.1.1.2   knu      1394:
1.1.1.1   knu      1395:     # OK, first send the request to the server.  A simplified example is:
                   1396:     #     Root /home/kingdon/zwork/cvsroot
                   1397:     #     Argument foo/xx
                   1398:     #     Directory foo
                   1399:     #     /home/kingdon/zwork/cvsroot/foo
                   1400:     #     Directory .
                   1401:     #     /home/kingdon/zwork/cvsroot
                   1402:     #     annotate
                   1403:     # although as you can see there are a few more details.
1.1.1.2   knu      1404:
1.1.1.1   knu      1405:     print $writer "Root $cvsroot\n";
                   1406:     print $writer "Valid-responses ok error Valid-requests Checked-in Updated Merged Removed M E\n";
                   1407:     # Don't worry about sending valid-requests, the server just needs to
                   1408:     # support "annotate" and if it doesn't, there isn't anything to be done.
                   1409:     print $writer "UseUnchanged\n";
                   1410:     print $writer "Argument -r\n";
                   1411:     print $writer "Argument $rev\n";
                   1412:     print $writer "Argument $where\n";
                   1413:
                   1414:     # The protocol requires us to fully fake a working directory (at
                   1415:     # least to the point of including the directories down to the one
                   1416:     # containing the file in question).
                   1417:     # So if $where is "dir/sdir/file", then @dirs will be ("dir","sdir","file")
                   1418:     my @dirs = split('/', $where);
                   1419:     my $path = "";
                   1420:     foreach (@dirs) {
                   1421:        if ($path eq "") {
                   1422:            # In our example, $_ is "dir".
                   1423:            $path = $_;
1.1.1.2   knu      1424:        }
1.1.1.1   knu      1425:        else {
                   1426:            print $writer "Directory $path\n";
                   1427:            print $writer "$cvsroot/$path\n";
                   1428:            # In our example, $_ is "sdir" and $path becomes "dir/sdir"
                   1429:            # And the next time, "file" and "dir/sdir/file" (which then gets
                   1430:            # ignored, because we don't need to send Directory for the file).
                   1431:             $path .= "/$_";
                   1432:        }
                   1433:     }
                   1434:     # And the last "Directory" before "annotate" is the top level.
                   1435:     print $writer "Directory .\n";
                   1436:     print $writer "$cvsroot\n";
1.1.1.2   knu      1437:
1.1.1.1   knu      1438:     print $writer "annotate\n";
                   1439:     # OK, we've sent our command to the server.  Thing to do is to
                   1440:     # close the writer side and get all the responses.  If "cvs server"
                   1441:     # were nicer about buffering, then we could just leave it open, I think.
                   1442:     close ($writer) || die "cannot close: $!";
1.1.1.2   knu      1443:
1.1.1.9   knu      1444:     http_header();
                   1445:
                   1446:     navigateHeader($scriptwhere,$pathname,$filename,$rev, "annotate");
                   1447:     print "<h3 align=center>Annotation of $pathname$filename, Revision $rev</h3>\n";
                   1448:
1.1.1.1   knu      1449:     # Ready to get the responses from the server.
                   1450:     # For example:
                   1451:     #     E Annotations for foo/xx
                   1452:     #     E ***************
1.1.1.2   knu      1453:     #     M 1.3          (kingdon  06-Sep-97): hello
1.1.1.1   knu      1454:     #     ok
                   1455:     my ($lineNr) = 0;
                   1456:     my ($oldLrev, $oldLusr) = ("", "");
                   1457:     my ($revprint, $usrprint);
                   1458:     if ($annTable) {
                   1459:        print "<table border=0 cellspacing=0 cellpadding=0>\n";
                   1460:     }
                   1461:     else {
                   1462:        print "<pre>";
                   1463:     }
1.1.1.6   knu      1464:
                   1465:     # prefetch several lines
                   1466:     my @buf = head($reader);
                   1467:
                   1468:     my %d = scan_directives(@buf);
                   1469:
                   1470:     while (@buf || !eof($reader)) {
                   1471:        $_ = @buf ? shift @buf : <$reader>;
                   1472:
1.1.1.1   knu      1473:        my @words = split;
                   1474:        # Adding one is for the (single) space which follows $words[0].
                   1475:        my $rest = substr ($_, length ($words[0]) + 1);
                   1476:        if ($words[0] eq "E") {
                   1477:            next;
                   1478:        }
                   1479:        elsif ($words[0] eq "M") {
                   1480:            $lineNr++;
1.1.1.9   knu      1481:            (my $lrev = substr($_, 2, 13)) =~ y/ //d;
                   1482:            (my $lusr = substr($_, 16,  9)) =~ y/ //d;
                   1483:            my $line = substr($_, 36);
                   1484:            my $isCurrentRev = ($rev eq $lrev);
1.1.1.1   knu      1485:            # we should parse the date here ..
                   1486:            if ($lrev eq $oldLrev) {
1.1.1.9   knu      1487:                $revprint = sprintf('%-8s', '');
1.1.1.1   knu      1488:            }
                   1489:            else {
1.1.1.9   knu      1490:                $revprint = sprintf('%-8s', $lrev);
1.1.1.11  knu      1491:                $revprint =~ s`\S+`&link($&, "$scriptwhere$query#rev$&")`e;     # `
1.1.1.9   knu      1492:                $oldLusr = '';
1.1.1.1   knu      1493:            }
                   1494:            if ($lusr eq $oldLusr) {
1.1.1.9   knu      1495:                $usrprint = '';
1.1.1.1   knu      1496:            }
                   1497:            else {
                   1498:                $usrprint = $lusr;
                   1499:            }
                   1500:            $oldLrev = $lrev;
                   1501:            $oldLusr = $lusr;
1.1.1.2   knu      1502:
1.1.1.9   knu      1503:            # Set bold for text-based browsers only - graphical
                   1504:            # browsers show bold fonts a bit wider than regular fonts,
                   1505:            # so it looks irregular.
                   1506:            print "<b>" if ($isCurrentRev && $is_textbased);
                   1507:
1.1.1.10  knu      1508:            printf "%s%s %-8s %4d:",
1.1.1.9   knu      1509:                    $revprint,
                   1510:                    $isCurrentRev ? '!' : ' ',
                   1511:                    $usrprint,
1.1.1.10  knu      1512:                    $lineNr;
1.1.1.6   knu      1513:            print spacedHtmlText($line, $d{'tabstop'});
1.1.1.9   knu      1514:
                   1515:            print "</b>" if ($isCurrentRev && $is_textbased);
1.1.1.1   knu      1516:        }
                   1517:        elsif ($words[0] eq "ok") {
                   1518:            # We could complain about any text received after this, like the
                   1519:            # CVS command line client.  But for simplicity, we don't.
                   1520:        }
                   1521:        elsif ($words[0] eq "error") {
1.1.1.11  knu      1522:            fatal("500 Internal Error", "Error occured during annotate: <b>$_</b>");
1.1.1.1   knu      1523:        }
                   1524:     }
                   1525:     if ($annTable) {
                   1526:        print "</table>";
                   1527:     }
                   1528:     else {
                   1529:        print "</pre>";
                   1530:     }
                   1531:     close ($reader) || warn "cannot close: $!";
                   1532:     wait;
                   1533: }
                   1534:
                   1535: ###############################
                   1536: # make Checkout
                   1537: ###############################
1.1.1.2   knu      1538: sub doCheckout($$) {
1.1.1.1   knu      1539:     my ($fullname, $rev) = @_;
                   1540:     my ($mimetype,$revopt);
                   1541:     my $fh = do {local(*FH);};
                   1542:
1.1.1.3   knu      1543:     if ($rev eq 'HEAD' || $rev eq '.') {
                   1544:        $rev = undef;
                   1545:     }
                   1546:
1.1.1.1   knu      1547:     # make sure the revisions a wellformed, for security
                   1548:     # reasons ..
1.1.1.3   knu      1549:     if (defined($rev) && $rev =~ /[^\w.]/) {
1.1.1.1   knu      1550:        &fatal("404 Not Found",
                   1551:                "Malformed query \"$ENV{QUERY_STRING}\"");
                   1552:     }
                   1553:
                   1554:     # get mimetype
                   1555:     if (defined($input{"content-type"}) && ($input{"content-type"} =~ /\S\/\S/)) {
                   1556:        $mimetype = $input{"content-type"}
                   1557:     }
                   1558:     else {
                   1559:        $mimetype = &getMimeTypeFromSuffix($fullname);
                   1560:     }
                   1561:
                   1562:     if (defined($rev)) {
                   1563:        $revopt = "-r$rev";
                   1564:        if ($use_moddate) {
                   1565:            readLog($fullname,$rev);
                   1566:            $moddate=$date{$rev};
                   1567:        }
                   1568:     }
                   1569:     else {
                   1570:        $revopt = "-rHEAD";
                   1571:        if ($use_moddate) {
                   1572:            readLog($fullname);
                   1573:            $moddate=$date{$symrev{HEAD}};
                   1574:        }
                   1575:     }
1.1.1.2   knu      1576:
1.1.1.1   knu      1577:     ### just for the record:
                   1578:     ### 'cvs co' seems to have a bug regarding single checkout of
                   1579:     ### directories/files having spaces in it;
                   1580:     ### this is an issue that should be resolved on cvs's side
                   1581:     #
                   1582:     # Safely for a child process to read from.
                   1583:     if (! open($fh, "-|")) { # child
                   1584:       open(STDERR, ">&STDOUT"); # Redirect stderr to stdout
1.1.1.18  knu      1585:       exec("cvs", @cvs_options, "-d", $cvsroot, "co", "-p", $revopt, $where);
1.1.1.2   knu      1586:     }
1.1.1.13  knu      1587:
                   1588:     if (eof($fh)) {
                   1589:        &fatal("404 Not Found",
                   1590:               "$where is not (any longer) pertinent");
                   1591:     }
1.1.1.1   knu      1592: #===================================================================
                   1593: #Checking out squid/src/ftp.c
                   1594: #RCS:  /usr/src/CVS/squid/src/ftp.c,v
                   1595: #VERS: 1.1.1.28.6.2
                   1596: #***************
                   1597:
                   1598:     # Parse CVS header
                   1599:     my ($revision, $filename, $cvsheader);
                   1600:     while(<$fh>) {
                   1601:        last if (/^\*\*\*\*/);
                   1602:        $revision = $1 if (/^VERS: (.*)$/);
                   1603:        if (/^Checking out (.*)$/) {
                   1604:                $filename = $1;
                   1605:                $filename =~ s/^\.\/*//;
                   1606:        }
                   1607:        $cvsheader .= $_;
                   1608:     }
                   1609:     if ($filename ne $where) {
                   1610:        &fatal("500 Internal Error",
1.1.1.13  knu      1611:               "Unexpected output from cvs co: $cvsheader");
1.1.1.1   knu      1612:     }
                   1613:     $| = 1;
                   1614:
                   1615:     if ($mimetype eq "text/x-cvsweb-markup") {
                   1616:        &cvswebMarkup($fh,$fullname,$revision);
                   1617:     }
                   1618:     else {
                   1619:        http_header($mimetype);
                   1620:        print <$fh>;
                   1621:     }
                   1622:     close($fh);
                   1623: }
                   1624:
1.1.1.2   knu      1625: sub cvswebMarkup($$$) {
1.1.1.1   knu      1626:     my ($filehandle,$fullname,$revision) = @_;
                   1627:     my ($pathname, $filename);
                   1628:
                   1629:     ($pathname = $where) =~ s/(Attic\/)?[^\/]*$//;
                   1630:     ($filename = $where) =~ s/^.*\///;
                   1631:     my ($fileurl) = urlencode($filename);
                   1632:
                   1633:     http_header();
                   1634:
1.1.1.2   knu      1635:     navigateHeader($scriptwhere, $pathname, $filename, $revision, "view");
1.1.1.1   knu      1636:     print "<HR noshade>";
                   1637:     print "<table width=\"100%\"><tr><td bgcolor=\"$markupLogColor\">";
                   1638:     print "File: ", &clickablePath($where, 1);
1.1.1.11  knu      1639:     print "&nbsp;(";
                   1640:     &download_link($fileurl, $revision, "download");
                   1641:     print ")";
1.1.1.1   knu      1642:     if (!$defaultTextPlain) {
1.1.1.11  knu      1643:        print "&nbsp;(";
                   1644:        &download_link($fileurl, $revision, "as text",
1.1.1.1   knu      1645:               "text/plain");
1.1.1.11  knu      1646:        print ")";
1.1.1.1   knu      1647:     }
                   1648:     print "<BR>\n";
                   1649:     if ($show_log_in_markup) {
                   1650:        readLog($fullname); #,$revision);
                   1651:        printLog($revision,0);
                   1652:     }
                   1653:     else {
                   1654:        print "Version: <B>$revision</B><BR>\n";
                   1655:        print "Tag: <B>", $input{only_with_tag}, "</b><br>\n" if
                   1656:            $input{only_with_tag};
                   1657:     }
                   1658:     print "</td></tr></table>";
                   1659:     my $url = download_url($fileurl, $revision, $mimetype);
                   1660:     print "<HR noshade>";
                   1661:     if ($mimetype =~ /^image/) {
1.1.1.16  knu      1662:        printf '<IMG SRC="%s"><BR>', hrefquote("$url$barequery");
1.1.1.1   knu      1663:     }
1.1.1.6   knu      1664:     elsif ($mimetype =~ m%^application/pdf%) {
1.1.1.16  knu      1665:        printf '<EMBED SRC="%s" WIDTH="100%"><BR>', hrefquote("$url$barequery");
1.1.1.6   knu      1666:     }
1.1.1.18  knu      1667:     elsif ($preformat_in_markup) {
1.1.1.1   knu      1668:        print "<PRE>";
1.1.1.6   knu      1669:
                   1670:        # prefetch several lines
                   1671:        my @buf = head($filehandle);
                   1672:
                   1673:        my %d = scan_directives(@buf);
                   1674:
                   1675:        while (@buf || !eof($filehandle)) {
                   1676:            $_ = @buf ? shift @buf : <$filehandle>;
                   1677:
                   1678:            print spacedHtmlText($_, $d{'tabstop'});
1.1.1.1   knu      1679:        }
                   1680:        print "</PRE>";
                   1681:     }
1.1.1.18  knu      1682:     else {
                   1683:        print "<PLAINTEXT>\n", <$filehandle>;
                   1684:     }
1.1.1.1   knu      1685: }
                   1686:
                   1687: sub viewable($) {
                   1688:     my ($mimetype) = @_;
                   1689:
1.1.1.6   knu      1690:     $mimetype =~ m%^((text|image)/|application/pdf)% ;
1.1.1.1   knu      1691: }
                   1692:
                   1693: ###############################
                   1694: # Show Colored Diff
                   1695: ###############################
1.1.1.2   knu      1696: sub doDiff($$$$$$) {
1.1.1.1   knu      1697:        my($fullname, $r1, $tr1, $r2, $tr2, $f) = @_;
                   1698:         my $fh = do {local(*FH);};
1.1.1.11  knu      1699:        my ($rev1, $rev2, $sym1, $sym2, $f1, $f2);
1.1.1.1   knu      1700:
                   1701:        if ($r1 =~ /([^:]+)(:(.+))?/) {
                   1702:            $rev1 = $1;
                   1703:            $sym1 = $3;
                   1704:        }
                   1705:        if ($r1 eq 'text') {
                   1706:            $rev1 = $tr1;
                   1707:            $sym1 = "";
                   1708:        }
                   1709:        if ($r2 =~ /([^:]+)(:(.+))?/) {
                   1710:            $rev2 = $1;
                   1711:            $sym2 = $3;
                   1712:        }
                   1713:        if ($r2 eq 'text') {
                   1714:            $rev2 = $tr2;
                   1715:            $sym2 = "";
                   1716:        }
1.1.1.3   knu      1717:
1.1.1.1   knu      1718:        # make sure the revisions a wellformed, for security
                   1719:        # reasons ..
1.1.1.3   knu      1720:        if ($rev1 =~ /[^\w.]/ || $rev2 =~ /[^\w.]/) {
1.1.1.1   knu      1721:            &fatal("404 Not Found",
                   1722:                    "Malformed query \"$ENV{QUERY_STRING}\"");
                   1723:        }
1.1       jfieber  1724: #
                   1725: # rev1 and rev2 are now both numeric revisions.
                   1726: # Thus we do a DWIM here and swap them if rev1 is after rev2.
                   1727: # XXX should we warn about the fact that we do this?
1.1.1.1   knu      1728:        if (&revcmp($rev1,$rev2) > 0) {
                   1729:            my ($tmp1, $tmp2) = ($rev1, $sym1);
                   1730:            ($rev1, $sym1) = ($rev2, $sym2);
                   1731:            ($rev2, $sym2) = ($tmp1, $tmp2);
                   1732:        }
1.1.1.11  knu      1733:        my $difftype = $DIFFTYPES{$f};
                   1734:
                   1735:        if (!$difftype) {
1.1.1.1   knu      1736:            fatal ("400 Bad arguments", "Diff format $f not understood");
                   1737:        }
                   1738:
1.1.1.11  knu      1739:        my @difftype       = @{$difftype->{'opts'}};
                   1740:        my $human_readable = $difftype->{'colored'};
                   1741:
1.1.1.1   knu      1742:        # apply special options
                   1743:        if ($showfunc) {
1.1.1.11  knu      1744:            push @difftype, '-p' if $f ne 's';
1.1.1.1   knu      1745:
                   1746:            my($re1, $re2);
                   1747:
                   1748:            while (($re1, $re2) = each %funcline_regexp) {
                   1749:                if ($fullname =~ /$re1/) {
                   1750:                    push @difftype, '-F', '$re2';
                   1751:                    last;
1.1       jfieber  1752:                }
                   1753:            }
1.1.1.1   knu      1754:        }
                   1755:        if ($human_readable) {
                   1756:            if ($hr_ignwhite) {
                   1757:                push @difftype, '-w';
                   1758:            }
                   1759:            if ($hr_ignkeysubst) {
                   1760:                push @difftype, '-kk';
                   1761:            }
                   1762:        }
                   1763:        if (! open($fh, "-|")) { # child
                   1764:            open(STDERR, ">&STDOUT"); # Redirect stderr to stdout
                   1765:            exec("rcsdiff",@difftype,"-r$rev1","-r$rev2",$fullname);
                   1766:        }
                   1767:        if ($human_readable) {
                   1768:            http_header();
                   1769:            &human_readable_diff($fh, $rev2);
1.1.1.7   knu      1770:            gzipclose();
1.1.1.1   knu      1771:            exit;
                   1772:        }
                   1773:        else {
                   1774:            http_header("text/plain");
                   1775:        }
1.1       jfieber  1776: #
                   1777: #===================================================================
                   1778: #RCS file: /home/ncvs/src/sys/netinet/tcp_output.c,v
                   1779: #retrieving revision 1.16
                   1780: #retrieving revision 1.17
                   1781: #diff -c -r1.16 -r1.17
                   1782: #*** /home/ncvs/src/sys/netinet/tcp_output.c     1995/11/03 22:08:08     1.16
                   1783: #--- /home/ncvs/src/sys/netinet/tcp_output.c     1995/12/05 17:46:35     1.17
                   1784: #
                   1785: # Ideas:
                   1786: # - nuke the stderr output if it's what we expect it to be
                   1787: # - Add "no differences found" if the diff command supplied no output.
                   1788: #
                   1789: #*** src/sys/netinet/tcp_output.c     1995/11/03 22:08:08     1.16
                   1790: #--- src/sys/netinet/tcp_output.c     1995/12/05 17:46:35     1.17 RELENG_2_1_0
                   1791: # (bogus example, but...)
                   1792: #
1.1.1.1   knu      1793:        if (grep { $_ eq '-u'} @difftype) {
                   1794:            $f1 = '---';
                   1795:            $f2 = '\+\+\+';
                   1796:        }
                   1797:        else {
                   1798:            $f1 = '\*\*\*';
                   1799:            $f2 = '---';
                   1800:        }
                   1801:        while (<$fh>) {
                   1802:            if (m|^$f1 $cvsroot|o) {
                   1803:                s|$cvsroot/||o;
                   1804:                if ($sym1) {
                   1805:                    chop;
1.1.1.11  knu      1806:                    $_ .= " $sym1\n";
1.1       jfieber  1807:                }
                   1808:            }
1.1.1.1   knu      1809:            elsif (m|^$f2 $cvsroot|o) {
                   1810:                s|$cvsroot/||o;
                   1811:                if ($sym2) {
                   1812:                    chop;
1.1.1.11  knu      1813:                    $_ .= " $sym2\n";
1.1.1.1   knu      1814:                }
                   1815:            }
                   1816:            print $_;
                   1817:        }
                   1818:        close($fh);
                   1819: }
                   1820:
                   1821: ###############################
                   1822: # Show Logs ..
                   1823: ###############################
1.1.1.2   knu      1824: sub getDirLogs($$@) {
1.1.1.1   knu      1825:     my ($cvsroot,$dirname,@otherFiles) = @_;
                   1826:     my ($state,$otherFiles,$tag, $file, $date, $branchpoint, $branch, $log);
                   1827:     my ($rev, $revision, $revwanted, $filename, $head, $author);
                   1828:
                   1829:     $tag = $input{only_with_tag};
                   1830:
                   1831:     my ($DirName) = "$cvsroot/$where";
                   1832:     my (@files, @filetags);
                   1833:     my $fh = do {local(*FH);};
                   1834:
                   1835:     push(@files, &safeglob("$DirName/*,v"));
                   1836:     push(@files, &safeglob("$DirName/Attic/*,v")) if (!$input{'hideattic'});
                   1837:     foreach $file (@otherFiles) {
                   1838:        push(@files, "$DirName/$file");
                   1839:     }
                   1840:
                   1841:     # just execute rlog if there are any files
1.1.1.2   knu      1842:     if ($#files < 0) {
1.1.1.1   knu      1843:        return;
                   1844:     }
                   1845:
1.1.1.18  knu      1846:     if (defined($tag)) {
1.1.1.1   knu      1847:        #can't use -r<tag> as - is allowed in tagnames, but misinterpreated by rlog..
                   1848:        if (! open($fh, "-|")) {
                   1849:                open(STDERR, '>/dev/null'); # rlog may complain; ignore.
                   1850:                exec('rlog', @files);
                   1851:        }
                   1852:     }
                   1853:     else {
                   1854:        my $kidpid = open($fh, "-|");
                   1855:        if (! $kidpid) {
                   1856:                open(STDERR, '>/dev/null'); # rlog may complain; ignore.
                   1857:                exec('rlog', '-r', @files);
                   1858:        }
                   1859:     }
                   1860:     $state = "start";
                   1861:     while (<$fh>) {
                   1862:        if ($state eq "start") {
                   1863:            #Next file. Initialize file variables
1.1.1.18  knu      1864:            $rev = '';
                   1865:            $revwanted = '';
                   1866:            $branch = '';
                   1867:            $branchpoint = '';
                   1868:            $filename = '';
                   1869:            $log = '';
                   1870:            $revision = '';
1.1.1.1   knu      1871:            %symrev = ();
                   1872:            @filetags = ();
                   1873:            #jump to head state
                   1874:            $state = "head";
1.1       jfieber  1875:        }
1.1.1.1   knu      1876:        print "$state:$_" if ($verbose);
                   1877: again:
                   1878:        if ($state eq "head") {
                   1879:            #$rcsfile = $1 if (/^RCS file: (.+)$/); #not used (yet)
1.1.1.13  knu      1880:
                   1881:            if (/^Working file: (.+)$/) {
                   1882:                $filename = $1;
                   1883:            } elsif (/^head: (.+)$/) {
                   1884:                $head = $1;
                   1885:            } elsif (/^branch: (.+)$/) {
                   1886:                $branch = $1
                   1887:            } elsif (/^symbolic names:/) {
                   1888:                $state = "tags";
1.1.1.18  knu      1889:                ($branch = $head) =~ s/\.\d+$// if $branch eq '';
1.1.1.15  knu      1890:                $branch =~ s/(\d+)$/0.$1/;
1.1.1.13  knu      1891:                $symrev{MAIN} = $branch;
                   1892:                $symrev{HEAD} = $branch;
                   1893:                $alltags{MAIN} = 1;
                   1894:                $alltags{HEAD} = 1;
                   1895:                push (@filetags, "MAIN", "HEAD");
                   1896:            } elsif (/$LOG_REVSEPARATOR/o) {
                   1897:                $state = "log";
1.1.1.18  knu      1898:                $rev = '';
                   1899:                $date = '';
                   1900:                $log = '';
1.1.1.13  knu      1901:                # Try to reconstruct the relative filename if RCS spits out a full path
                   1902:                $filename =~ s%^\Q$DirName\E/%%;
                   1903:            }
1.1.1.1   knu      1904:            next;
                   1905:        }
1.1.1.13  knu      1906:        if ($state eq "tags") {
                   1907:            if (/^\s+(.+):\s+([\d\.]+)\s+$/) {
                   1908:                push (@filetags, $1);
                   1909:                $symrev{$1} = $2;
                   1910:                $alltags{$1} = 1;
1.1.1.1   knu      1911:                next;
1.1.1.13  knu      1912:            } elsif (/^\S/) {
                   1913:                if (defined($tag)) {
                   1914:                    if(defined($symrev{$tag}) || $tag eq "HEAD") {
                   1915:                        $revwanted = $symrev{$tag eq "HEAD" ? "MAIN" : $tag};
1.1.1.15  knu      1916:                        ($branch = $revwanted) =~ s/\b0\.//;
1.1.1.13  knu      1917:                        ($branchpoint = $branch) =~ s/\.?\d+$//;
1.1.1.18  knu      1918:                        $revwanted = '' if ($revwanted ne $branch);
1.1.1.13  knu      1919:                    } elsif ($tag ne "HEAD") {
                   1920:                        print "Tag not found, skip this file" if ($verbose);
                   1921:                        $state = "skip";
                   1922:                        next;
                   1923:                    }
                   1924:                }
                   1925:                foreach my $tagfound (@filetags) {
                   1926:                    $tags{$tagfound} = 1;
                   1927:                }
                   1928:                $state = "head";
                   1929:                goto again;
1.1.1.1   knu      1930:            }
                   1931:        }
                   1932:        if ($state eq "log") {
1.1.1.10  knu      1933:            if (/$LOG_REVSEPARATOR/o || /$LOG_FILESEPARATOR/o) {
1.1.1.1   knu      1934:                # End of a log entry.
1.1.1.18  knu      1935:                my $revbranch = $rev;
                   1936:                $revbranch =~ s/\.\d+$//;
1.1.1.11  knu      1937:                print "$filename $rev Wanted: $revwanted ",
                   1938:                  "Revbranch: $revbranch Branch: $branch ",
                   1939:                    "Branchpoint: $branchpoint\n" if ($verbose);
1.1.1.18  knu      1940:                if ($revwanted eq '' && $branch ne ''
1.1.1.1   knu      1941:                    && $branch eq $revbranch || !defined($tag)) {
                   1942:                    print "File revision $rev found for branch $branch\n"
                   1943:                        if ($verbose);
                   1944:                    $revwanted = $rev;
                   1945:                }
1.1.1.18  knu      1946:                if ($revwanted ne '' ? $rev eq $revwanted :
                   1947:                    $branchpoint ne '' ? $rev eq $branchpoint :
1.1.1.1   knu      1948:                    0 && ($rev eq $head)) { # Don't think head is needed here..
                   1949:                    print "File info $rev found for $filename\n" if ($verbose);
                   1950:                    my @finfo = ($rev,$date,$log,$author,$filename);
                   1951:                    my ($name);
                   1952:                    ($name = $filename) =~ s%/.*%%;
                   1953:                    $fileinfo{$name} = [ @finfo ];
                   1954:                    $state = "done" if ($rev eq $revwanted);
                   1955:                }
1.1.1.18  knu      1956:                $rev = '';
                   1957:                $date = '';
                   1958:                $log = '';
1.1.1.1   knu      1959:            }
1.1.1.18  knu      1960:            elsif ($date eq '' && m|^date:\s+(\d+)/(\d+)/(\d+)\s+(\d+):(\d+):(\d+);|) {
1.1.1.1   knu      1961:                my $yr = $1;
                   1962:                # damn 2-digit year routines :-)
                   1963:                if ($yr > 100) {
                   1964:                    $yr -= 1900;
                   1965:                }
                   1966:                $date = &Time::Local::timegm($6,$5,$4,$3,$2 - 1,$yr);
                   1967:                ($author) = /author: ([^;]+)/;
                   1968:                $state = "log";
                   1969:                $log = '';
                   1970:                next;
                   1971:            }
1.1.1.18  knu      1972:            elsif ($rev eq '' && /^revision (.*)$/) {
1.1.1.1   knu      1973:                $rev = $1;
                   1974:                next;
                   1975:            }
                   1976:            else {
1.1.1.11  knu      1977:                $log .= $_;
1.1.1.1   knu      1978:            }
                   1979:        }
1.1.1.10  knu      1980:        if (/$LOG_FILESEPARATOR/o) {
1.1.1.1   knu      1981:            $state = "start";
                   1982:            next;
                   1983:        }
                   1984:     }
                   1985:     if ($. == 0) {
1.1.1.2   knu      1986:        fatal("500 Internal Error",
1.1.1.1   knu      1987:              "Failed to spawn GNU rlog on <em>'".join(", ", @files)."'</em><p>did you set the <b>\$ENV{PATH}</b> in your configuration file correctly ?");
                   1988:     }
                   1989:     close($fh);
                   1990: }
                   1991:
1.1.1.2   knu      1992: sub readLog($;$) {
1.1.1.1   knu      1993:        my($fullname,$revision) = @_;
                   1994:        my ($symnames, $head, $rev, $br, $brp, $branch, $branchrev);
                   1995:        my $fh = do {local(*FH);};
                   1996:
                   1997:        if (defined($revision)) {
                   1998:            $revision = "-r$revision";
                   1999:        }
                   2000:        else {
                   2001:            $revision = "";
                   2002:        }
                   2003:
                   2004:        undef %symrev;
                   2005:        undef %revsym;
                   2006:        undef @allrevisions;
                   2007:        undef %date;
                   2008:        undef %author;
                   2009:        undef %state;
                   2010:        undef %difflines;
                   2011:        undef %log;
                   2012:
                   2013:        print("Going to rlog '$fullname'\n") if ($verbose);
                   2014:        if (! open($fh, "-|")) { # child
                   2015:                if ($revision ne '') {
                   2016:                        exec("rlog",$revision,$fullname);
                   2017:                }
                   2018:                else {
                   2019:                        exec("rlog",$fullname);
                   2020:                }
                   2021:        }
                   2022:        while (<$fh>) {
1.1       jfieber  2023:            print if ($verbose);
                   2024:            if ($symnames) {
                   2025:                if (/^\s+([^:]+):\s+([\d\.]+)/) {
                   2026:                    $symrev{$1} = $2;
1.1.1.1   knu      2027:                }
                   2028:                else {
1.1       jfieber  2029:                    $symnames = 0;
                   2030:                }
1.1.1.1   knu      2031:            }
                   2032:            elsif (/^head:\s+([\d\.]+)/) {
                   2033:                $head = $1;
                   2034:            }
                   2035:            elsif (/^branch:\s+([\d\.]+)/) {
                   2036:                $curbranch = $1;
                   2037:            }
                   2038:            elsif (/^symbolic names/) {
1.1       jfieber  2039:                $symnames = 1;
1.1.1.1   knu      2040:            }
                   2041:            elsif (/^-----/) {
1.1       jfieber  2042:                last;
                   2043:            }
                   2044:        }
1.1.1.1   knu      2045:        ($curbranch = $head) =~ s/\.\d+$// if (!defined($curbranch));
                   2046:
1.1       jfieber  2047: # each log entry is of the form:
                   2048: # ----------------------------
                   2049: # revision 3.7.1.1
                   2050: # date: 1995/11/29 22:15:52;  author: fenner;  state: Exp;  lines: +5 -3
                   2051: # log info
                   2052: # ----------------------------
                   2053:        logentry:
1.1.1.10  knu      2054:        while (!/$LOG_FILESEPARATOR/o) {
1.1.1.1   knu      2055:            $_ = <$fh>;
                   2056:            last logentry if (!defined($_));    # EOF
1.1       jfieber  2057:            print "R:", $_ if ($verbose);
                   2058:            if (/^revision ([\d\.]+)/) {
                   2059:                $rev = $1;
1.1.1.1   knu      2060:                unshift(@allrevisions,$rev);
                   2061:            }
1.1.1.10  knu      2062:            elsif (/$LOG_FILESEPARATOR/o || /$LOG_REVSEPARATOR/o) {
1.1.1.1   knu      2063:                next logentry;
                   2064:            }
                   2065:            else {
                   2066:                # The rlog output is syntactically ambiguous.  We must
                   2067:                # have guessed wrong about where the end of the last log
                   2068:                # message was.
                   2069:                # Since this is likely to happen when people put rlog output
                   2070:                # in their commit messages, don't even bother keeping
                   2071:                # these lines since we don't know what revision they go with
                   2072:                # any more.
1.1       jfieber  2073:                next logentry;
1.1.1.1   knu      2074: #              &fatal("500 Internal Error","Error parsing RCS output: $_");
1.1       jfieber  2075:            }
1.1.1.1   knu      2076:            $_ = <$fh>;
1.1       jfieber  2077:            print "D:", $_ if ($verbose);
1.1.1.1   knu      2078:            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+-]+))?|) {
                   2079:                my $yr = $1;
                   2080:                 # damn 2-digit year routines :-)
                   2081:                 if ($yr > 100) {
                   2082:                     $yr -= 1900;
                   2083:                 }
                   2084:                $date{$rev} = &Time::Local::timegm($6,$5,$4,$3,$2 - 1,$yr);
1.1       jfieber  2085:                $author{$rev} = $7;
1.1.1.1   knu      2086:                $state{$rev} = $8;
                   2087:                $difflines{$rev} = $10;
                   2088:            }
                   2089:            else {
1.1       jfieber  2090:                &fatal("500 Internal Error", "Error parsing RCS output: $_");
                   2091:            }
                   2092:            line:
1.1.1.1   knu      2093:            while (<$fh>) {
1.1       jfieber  2094:                print "L:", $_ if ($verbose);
                   2095:                next line if (/^branches:\s/);
1.1.1.10  knu      2096:                last line if (/$LOG_FILESEPARATOR/o || /$LOG_REVSEPARATOR/o);
1.1       jfieber  2097:                $log{$rev} .= $_;
                   2098:            }
                   2099:            print "E:", $_ if ($verbose);
                   2100:        }
1.1.1.1   knu      2101:        close($fh);
1.1       jfieber  2102:        print "Done reading RCS file\n" if ($verbose);
1.1.1.1   knu      2103:
                   2104:        @revorder = reverse sort {revcmp($a,$b)} @allrevisions;
                   2105:        print "Done sorting revisions",join(" ",@revorder),"\n" if ($verbose);
                   2106:
1.1       jfieber  2107: #
                   2108: # HEAD is an artificial tag which is simply the highest tag number on the main
1.1.1.1   knu      2109: # branch, unless there is a branch tag in the RCS file in which case it's the
                   2110: # highest revision on that branch.  Find it by looking through @revorder; it
                   2111: # is the first commit listed on the appropriate branch.
                   2112: # This is not neccesary the same revision as marked as head in the RCS file.
                   2113:        my $headrev = $curbranch || "1";
1.1.1.15  knu      2114:        ($symrev{"MAIN"} = $headrev) =~ s/(\d+)$/0.$1/;
1.1.1.1   knu      2115:        foreach $rev (@revorder) {
                   2116:            if ($rev =~ /^(\S*)\.\d+$/ && $headrev eq $1) {
                   2117:                $symrev{"HEAD"} = $rev;
1.1.1.13  knu      2118:                last;
1.1       jfieber  2119:            }
                   2120:        }
1.1.1.1   knu      2121:        ($symrev{"HEAD"} = $headrev) =~ s/\.\d+$//
                   2122:             if (!defined($symrev{"HEAD"}));
1.1       jfieber  2123:        print "Done finding HEAD\n" if ($verbose);
                   2124: #
                   2125: # Now that we know all of the revision numbers, we can associate
                   2126: # absolute revision numbers with all of the symbolic names, and
                   2127: # pass them to the form so that the same association doesn't have
                   2128: # to be built then.
                   2129: #
1.1.1.1   knu      2130:        undef @branchnames;
                   2131:        undef %branchpoint;
                   2132:        undef $sel;
                   2133:
                   2134:        foreach (reverse sort keys %symrev) {
1.1       jfieber  2135:            $rev = $symrev{$_};
1.1.1.15  knu      2136:            if ($rev =~ /^((.*)\.)?\b0\.(\d+)$/) {
1.1.1.1   knu      2137:                push(@branchnames, $_);
1.1       jfieber  2138:                #
                   2139:                # A revision number of A.B.0.D really translates into
                   2140:                # "the highest current revision on branch A.B.D".
                   2141:                #
                   2142:                # If there is no branch A.B.D, then it translates into
                   2143:                # the head A.B .
                   2144:                #
1.1.1.1   knu      2145:                # This reasoning also applies to the main branch A.B,
                   2146:                # with the branch number 0.A, with the exception that
                   2147:                # it has no head to translate to if there is nothing on
                   2148:                # the branch, but I guess this can never happen?
1.1.1.12  knu      2149:                #
1.1.1.15  knu      2150:                # (the code below gracefully forgets about the branch
                   2151:                # if it should happen)
1.1       jfieber  2152:                #
1.1.1.1   knu      2153:                $head = defined($2) ? $2 : "";
1.1       jfieber  2154:                $branch = $3;
1.1.1.1   knu      2155:                $branchrev = $head . ($head ne "" ? "." : "") . $branch;
                   2156:                my $regex;
1.1.1.13  knu      2157:                $regex = quotemeta $branchrev;
1.1       jfieber  2158:                $rev = $head;
                   2159:
1.1.1.1   knu      2160:                foreach my $r (@revorder) {
                   2161:                    if ($r =~ /^${regex}\b/) {
                   2162:                        $rev = $branchrev;
1.1.1.13  knu      2163:                        last;
1.1       jfieber  2164:                    }
                   2165:                }
1.1.1.1   knu      2166:                next if ($rev eq "");
                   2167:                if ($rev ne $head && $head ne "") {
                   2168:                    $branchpoint{$head} .= ", " if ($branchpoint{$head});
                   2169:                    $branchpoint{$head} .= $_;
                   2170:                }
1.1       jfieber  2171:            }
1.1.1.1   knu      2172:            $revsym{$rev} .= ", " if ($revsym{$rev});
                   2173:            $revsym{$rev} .= $_;
1.1       jfieber  2174:            $sel .= "<OPTION VALUE=\"${rev}:${_}\">$_\n";
                   2175:        }
                   2176:        print "Done associating revisions with branches\n" if ($verbose);
1.1.1.1   knu      2177:
                   2178:        my ($onlyonbranch, $onlybranchpoint);
                   2179:        if ($onlyonbranch = $input{'only_with_tag'}) {
                   2180:            $onlyonbranch = $symrev{$onlyonbranch};
1.1.1.15  knu      2181:            if ($onlyonbranch =~ s/\b0\.//) {
1.1.1.1   knu      2182:                ($onlybranchpoint = $onlyonbranch) =~ s/\.\d+$//;
                   2183:            }
                   2184:             else {
                   2185:                $onlybranchpoint = $onlyonbranch;
                   2186:            }
                   2187:            if (!defined($onlyonbranch) || $onlybranchpoint eq "") {
                   2188:                fatal("404 Tag not found","Tag $input{'only_with_tag'} not defined");
                   2189:            }
                   2190:        }
                   2191:
                   2192:        undef @revisions;
                   2193:
                   2194:        foreach (@allrevisions) {
                   2195:            ($br = $_) =~ s/\.\d+$//;
                   2196:            ($brp = $br) =~ s/\.\d+$//;
                   2197:            next if ($onlyonbranch && $br ne $onlyonbranch &&
                   2198:                                        $_ ne $onlybranchpoint);
                   2199:            unshift(@revisions,$_);
                   2200:        }
                   2201:
                   2202:        if ($logsort eq "date") {
                   2203:            # Sort the revisions in commit order an secondary sort on revision
                   2204:            # (secondary sort needed for imported sources, or the first main
                   2205:            # revision gets before the same revision on the 1.1.1 branch)
                   2206:            @revdisplayorder = sort {$date{$b} <=> $date{$a} || -revcmp($a, $b)} @revisions;
                   2207:        }
                   2208:         elsif ($logsort eq "rev") {
                   2209:            # Sort the revisions in revision order, highest first
                   2210:            @revdisplayorder = reverse sort {revcmp($a,$b)} @revisions;
                   2211:        }
                   2212:         else {
                   2213:            # No sorting. Present in the same order as rlog / cvs log
                   2214:            @revdisplayorder = @revisions;
                   2215:        }
                   2216:
                   2217: }
                   2218:
1.1.1.11  knu      2219: sub printDiffLinks($$) {
                   2220:     my($text, $url) = @_;
                   2221:     my @extra;
                   2222:
                   2223:     local $_;
                   2224:     for ($DIFFTYPES{$defaultDiffType}{'colored'} ? qw(u) : qw(h)) {
                   2225:        my $f = $_ eq $defaultDiffType ? '' : $_;
                   2226:
                   2227:        push @extra, &link(lc $DIFFTYPES{$_}{'descr'}, "$url&f=$f");
                   2228:     }
                   2229:
                   2230:     print &link($text, $url), ' (', join(', ', @extra), ')';
                   2231: }
                   2232:
1.1.1.1   knu      2233: sub printLog($;$) {
                   2234:        my ($link, $br, $brp);
                   2235:        ($_,$link) = @_;
                   2236:        ($br = $_) =~ s/\.\d+$//;
                   2237:        ($brp = $br) =~ s/\.?\d+$//;
                   2238:        my ($isDead, $prev);
                   2239:
                   2240:        $link = 1 if (!defined($link));
                   2241:        $isDead = ($state{$_} eq "dead");
                   2242:
                   2243:        if ($link && !$isDead) {
                   2244:            my ($filename);
                   2245:            ($filename = $where) =~ s/^.*\///;
                   2246:            my ($fileurl) = urlencode($filename);
                   2247:            print "<a NAME=\"rev$_\"></a>";
                   2248:            if (defined($revsym{$_})) {
                   2249:                foreach my $sym (split(", ", $revsym{$_})) {
                   2250:                    print "<a NAME=\"$sym\"></a>";
                   2251:                }
                   2252:            }
                   2253:            if (defined($revsym{$br}) && $revsym{$br} && !defined($nameprinted{$br})) {
                   2254:                foreach my $sym (split(", ", $revsym{$br})) {
                   2255:                    print "<a NAME=\"$sym\"></a>";
                   2256:                }
                   2257:                $nameprinted{$br} = 1;
                   2258:            }
                   2259:            print "\n Revision ";
                   2260:            &download_link($fileurl, $_, $_,
1.1.1.11  knu      2261:                           $defaultViewable ? "text/x-cvsweb-markup" : undef);
1.1.1.1   knu      2262:            if ($defaultViewable) {
1.1.1.11  knu      2263:                print " / (";
                   2264:                &download_link($fileurl, $_, "download", $mimetype);
                   2265:                print ")";
1.1.1.1   knu      2266:            }
                   2267:            if (not $defaultTextPlain) {
1.1.1.11  knu      2268:                print " / (";
                   2269:                &download_link($fileurl, $_, "as text", "text/plain");
                   2270:                print ")";
1.1.1.1   knu      2271:            }
                   2272:            if (!$defaultViewable) {
1.1.1.11  knu      2273:                print " / (";
                   2274:                &download_link($fileurl, $_, "view", "text/x-cvsweb-markup");
                   2275:                print ")";
1.1.1.1   knu      2276:            }
                   2277:            if ($allow_annotate) {
1.1.1.11  knu      2278:                print " - ";
                   2279:                print &link('annotate',
                   2280:                            sprintf('%s/%s?annotate=%s%s',
                   2281:                                    $scriptname,
                   2282:                                    urlencode($where),
                   2283:                                    $_,
                   2284:                                    $barequery));
1.1.1.1   knu      2285:            }
                   2286:            # Plus a select link if enabled, and this version isn't selected
                   2287:            if ($allow_version_select) {
                   2288:                if ((!defined($input{"r1"}) || $input{"r1"} ne $_)) {
1.1.1.11  knu      2289:                    print " - ";
                   2290:                    print &link('[select for diffs]',
                   2291:                                sprintf('%s?r1=%s%s',
                   2292:                                        $scriptwhere,
                   2293:                                        $_,
                   2294:                                        $barequery));
1.1.1.1   knu      2295:                }
                   2296:                else {
                   2297:                    print " - <b>[selected]</b>";
                   2298:                }
                   2299:            }
                   2300:        }
                   2301:        else {
                   2302:            print "Revision <B>$_</B>";
                   2303:        }
                   2304:        if (/^1\.1\.1\.\d+$/) {
                   2305:            print " <i>(vendor branch)</i>";
                   2306:        }
                   2307:        if (defined @mytz) {
                   2308:            my ($est) = $mytz[(localtime($date{$_}))[8]];
1.1.1.11  knu      2309:            print ", <i>", scalar localtime($date{$_}), " $est</i> (";
1.1.1.1   knu      2310:        } else {
1.1.1.11  knu      2311:            print ", <i>", scalar gmtime($date{$_}), " UTC</i> (";
1.1.1.1   knu      2312:        }
1.1.1.11  knu      2313:        print readableTime(time() - $date{$_},1), " ago)";
1.1.1.1   knu      2314:        print " by ";
1.1.1.11  knu      2315:        print "<i>", $author{$_}, "</i>\n";
1.1.1.1   knu      2316:        print "<BR>Branch: <b>",$link?link_tags($revsym{$br}):$revsym{$br},"</b>\n"
                   2317:            if ($revsym{$br});
                   2318:        print "<BR>CVS Tags: <b>",$link?link_tags($revsym{$_}):$revsym{$_},"</b>"
                   2319:            if ($revsym{$_});
                   2320:        print "<BR>Branch point for: <b>",$link?link_tags($branchpoint{$_}):$branchpoint{$_},"</b>\n"
                   2321:            if ($branchpoint{$_});
                   2322:        # Find the previous revision
                   2323:        my @prevrev = split(/\./, $_);
                   2324:        do {
                   2325:            if (--$prevrev[$#prevrev] <= 0) {
1.1       jfieber  2326:                # If it was X.Y.Z.1, just make it X.Y
1.1.1.1   knu      2327:                pop(@prevrev);
                   2328:                pop(@prevrev);
                   2329:            }
                   2330:            $prev = join(".", @prevrev);
                   2331:        } until (defined($date{$prev}) || $prev eq "");
                   2332:        if ($prev ne "") {
                   2333:            if ($difflines{$_}) {
                   2334:                print "<BR>Changes since <b>$prev: $difflines{$_} lines</b>";
                   2335:            }
                   2336:        }
                   2337:        if ($isDead) {
                   2338:            print "<BR><B><I>FILE REMOVED</I></B>\n";
                   2339:        }
                   2340:        elsif ($link) {
                   2341:            my %diffrev = ();
                   2342:            $diffrev{$_} = 1;
                   2343:            $diffrev{""} = 1;
                   2344:            print "<BR>Diff";
                   2345:            #
                   2346:            # Offer diff to previous revision
                   2347:            if ($prev) {
                   2348:                $diffrev{$prev} = 1;
1.1.1.11  knu      2349:
                   2350:                my $url = sprintf('%s.diff?r1=%s&r2=%s%s',
                   2351:                                  $scriptwhere,
                   2352:                                  $prev,
                   2353:                                  $_,
                   2354:                                  $barequery);
                   2355:
                   2356:                print " to previous ";
                   2357:                printDiffLinks($prev, $url);
1.1       jfieber  2358:            }
1.1.1.1   knu      2359:            #
                   2360:            # Plus, if it's on a branch, and it's not a vendor branch,
                   2361:            # offer a diff with the branch point.
                   2362:            if ($revsym{$brp} && !/^1\.1\.1\.\d+$/ && !defined($diffrev{$brp})) {
1.1.1.11  knu      2363:                my $url = sprintf('%s.diff?r1=%s&r2=%s%s',
                   2364:                                  $scriptwhere,
                   2365:                                  $brp,
                   2366:                                  $_,
                   2367:                                  $barequery);
                   2368:
                   2369:                print " to branchpoint ";
                   2370:                printDiffLinks($brp, $url);
1.1.1.1   knu      2371:            }
                   2372:            #
                   2373:            # Plus, if it's on a branch, and it's not a vendor branch,
                   2374:            # offer to diff with the next revision of the higher branch.
                   2375:            # (e.g. change gets committed and then brought
                   2376:            # over to -stable)
                   2377:            if (/^\d+\.\d+\.\d+/ && !/^1\.1\.1\.\d+$/) {
                   2378:                my ($i,$nextmain);
                   2379:                for ($i = 0; $i < $#revorder && $revorder[$i] ne $_; $i++){}
1.1.1.18  knu      2380:                my @tmp2 = split(/\./, $_);
1.1.1.1   knu      2381:                for ($nextmain = ""; $i > 0; $i--) {
1.1.1.18  knu      2382:                    my $next = $revorder[$i-1];
                   2383:                    my @tmp1 = split(/\./, $next);
                   2384:                    if (@tmp1 < @tmp2) {
1.1.1.1   knu      2385:                        $nextmain = $next;
                   2386:                        last;
1.1       jfieber  2387:                    }
1.1.1.1   knu      2388:                    # Only the highest version on a branch should have
                   2389:                    # a diff for the "next main".
1.1.1.18  knu      2390:                    last if (@tmp1 - 1 <= @tmp2 &&
                   2391:                             join(".",@tmp1[0..$#tmp1-1]) eq join(".",@tmp2[0..$#tmp1-1]));
1.1.1.1   knu      2392:                }
                   2393:                if (!defined($diffrev{$nextmain})) {
                   2394:                    $diffrev{$nextmain} = 1;
1.1.1.11  knu      2395:
                   2396:                    my $url = sprintf('%s.diff?r1=%s&r2=%s%s',
                   2397:                                      $scriptwhere,
                   2398:                                      $nextmain,
                   2399:                                      $_,
                   2400:                                      $barequery);
                   2401:
                   2402:                    print " next main ";
                   2403:                    printDiffLinks($nextmain, $url);
1.1.1.1   knu      2404:                }
                   2405:            }
                   2406:            # Plus if user has selected only r1, then present a link
                   2407:            # to make a diff to that revision
                   2408:            if (defined($input{"r1"}) && !defined($diffrev{$input{"r1"}})) {
                   2409:                $diffrev{$input{"r1"}} = 1;
                   2410:
1.1.1.11  knu      2411:                my $url = sprintf('%s.diff?r1=%s&r2=%s%s',
                   2412:                                  $scriptwhere,
                   2413:                                  $input{'r1'},
                   2414:                                  $_,
                   2415:                                  $barequery);
                   2416:
                   2417:                print " to selected ";
                   2418:                printDiffLinks($input{'r1'}, $url);
1.1       jfieber  2419:            }
                   2420:        }
1.1.1.1   knu      2421:        print "<PRE>\n";
                   2422:        print &htmlify($log{$_}, 1);
                   2423:        print "</PRE>\n";
                   2424: }
                   2425:
1.1.1.2   knu      2426: sub doLog($) {
1.1.1.1   knu      2427:        my($fullname) = @_;
                   2428:        my ($diffrev, $upwhere, $filename, $backurl);
1.1.1.2   knu      2429:
1.1.1.1   knu      2430:        readLog($fullname);
                   2431:
                   2432:         html_header("CVS log for $where");
                   2433:        ($upwhere = $where) =~ s|(Attic/)?[^/]+$||;
                   2434:         ($filename = $where) =~ s|^.*/||;
                   2435:         $backurl = $scriptname . "/" . urlencode($upwhere) . $query;
                   2436:        print &link($backicon, "$backurl#$filename"),
1.1.1.11  knu      2437:          " <b>Up to ", &clickablePath($upwhere, 1), "</b><p>\n";
                   2438:        print &link('Request diff between arbitrary revisions', '#diff');
                   2439:         print '<HR NOSHADE>';
                   2440:
1.1.1.1   knu      2441:        if ($curbranch) {
                   2442:            print "Default branch: ", ($revsym{$curbranch} || $curbranch);
                   2443:        }
                   2444:        else {
                   2445:            print "No default branch";
                   2446:        }
                   2447:        print "<BR>\n";
                   2448:        if ($input{only_with_tag}) {
                   2449:            print "Current tag: $input{only_with_tag}<BR>\n";
                   2450:        }
                   2451:
                   2452:        undef %nameprinted;
                   2453:
                   2454:        for (my $i = 0; $i <= $#revdisplayorder; $i++) {
                   2455:            print "<HR size=1 NOSHADE>";
                   2456:            printLog($revdisplayorder[$i]);
                   2457:        }
                   2458:
                   2459:         print "<HR NOSHADE>";
1.1       jfieber  2460:        print "<A NAME=diff>\n";
                   2461:        print "This form allows you to request diff's between any two\n";
                   2462:        print "revisions of a file.  You may select a symbolic revision\n";
                   2463:        print "name using the selection box or you may type in a numeric\n";
                   2464:        print "name using the type-in text box.\n";
                   2465:        print "</A><P>\n";
1.1.1.1   knu      2466:        print "<FORM METHOD=\"GET\" ACTION=\"${scriptwhere}.diff\" NAME=\"diff_select\">\n";
                   2467:         foreach (@stickyvars) {
1.1.1.11  knu      2468:            printf('<INPUT TYPE=HIDDEN NAME="%s" VALUE="%s">',  $_, $input{$_})
1.1.1.1   knu      2469:                if (defined($input{$_})
1.1.1.6   knu      2470:                    && ((!defined($DEFAULTVALUE{$_})
                   2471:                         || $input{$_} ne $DEFAULTVALUE{$_})
                   2472:                        && $input{$_} ne ""));
1.1.1.1   knu      2473:        }
1.1.1.6   knu      2474:        print "<TABLE><TR>\n";
                   2475:        print "<TD align=right>Diffs between \n";
1.1       jfieber  2476:        print "<SELECT NAME=\"r1\">\n";
                   2477:        print "<OPTION VALUE=\"text\" SELECTED>Use Text Field\n";
                   2478:        print $sel;
                   2479:        print "</SELECT>\n";
1.1.1.1   knu      2480:        $diffrev = $revdisplayorder[$#revdisplayorder];
                   2481:        $diffrev = $input{"r1"} if (defined($input{"r1"}));
1.1.1.6   knu      2482:        print "<INPUT TYPE=\"TEXT\" SIZE=\"$inputTextSize\" NAME=\"tr1\" VALUE=\"$diffrev\" onChange='document.diff_select.r1.selectedIndex=0'></TD>";
                   2483:        print "<TD><BR></TD></TR>\n";
                   2484:        print "<TR><TD align=right>and \n";
1.1       jfieber  2485:        print "<SELECT NAME=\"r2\">\n";
                   2486:        print "<OPTION VALUE=\"text\" SELECTED>Use Text Field\n";
                   2487:        print $sel;
                   2488:        print "</SELECT>\n";
1.1.1.1   knu      2489:        $diffrev = $revdisplayorder[0];
                   2490:        $diffrev = $input{"r2"} if (defined($input{"r2"}));
1.1.1.6   knu      2491:        print "<INPUT TYPE=\"TEXT\" SIZE=\"$inputTextSize\" NAME=\"tr2\" VALUE=\"$diffrev\" onChange='document.diff_select.r2.selectedIndex=0'></TD>";
                   2492:        print "<TD><INPUT TYPE=SUBMIT VALUE=\"  Get Diffs  \"></TD>\n";
1.1.1.1   knu      2493:        print "</FORM>\n";
1.1.1.6   knu      2494:        print "</TR></TABLE>\n";
1.1.1.1   knu      2495:        print "<HR noshade>\n";
1.1.1.6   knu      2496:        print "<TABLE>";
                   2497:        print "<FORM METHOD=\"GET\" ACTION=\"$scriptwhere\">\n";
1.1.1.11  knu      2498:        print "<TR><TD align=right>Preferred Diff type:</TD>";
                   2499:        print "<TD>";
1.1.1.6   knu      2500:        printDiffSelect($use_java_script);
                   2501:        print "</TD><TD></TD></TR>\n";
1.1.1.1   knu      2502:         if (@branchnames) {
1.1.1.6   knu      2503:            print "<TR><TD align=right>View only Branch:</TD>";
                   2504:            print "<TD>";
1.1.1.1   knu      2505:            print "<A name=branch></A>\n";
                   2506:            print "<SELECT NAME=\"only_with_tag\"";
                   2507:            print " onchange=\"submit()\"" if ($use_java_script);
                   2508:            print ">\n";
                   2509:            print "<OPTION VALUE=\"\"";
                   2510:            print " SELECTED" if (defined($input{"only_with_tag"}) &&
                   2511:                $input{"only_with_tag"} eq "");
                   2512:            print ">Show all branches\n";
                   2513:            foreach (reverse sort @branchnames) {
                   2514:                print "<OPTION";
                   2515:                print " SELECTED" if (defined($input{"only_with_tag"})
                   2516:                        && $input{"only_with_tag"} eq $_);
                   2517:                print ">${_}\n";
                   2518:            }
1.1.1.6   knu      2519:            print "</SELECT></TD><TD></TD></TR>\n";
1.1.1.1   knu      2520:        }
                   2521:        foreach (@stickyvars) {
1.1.1.6   knu      2522:            next if ($_ eq "f");
1.1.1.1   knu      2523:            next if ($_ eq "only_with_tag");
                   2524:            next if ($_ eq "logsort");
                   2525:            print "<INPUT TYPE=HIDDEN NAME=\"$_\" VALUE=\"$input{$_}\">\n"
1.1.1.6   knu      2526:                if (defined($input{$_})
                   2527:                    && (!defined($DEFAULTVALUE{$_})
                   2528:                        || $input{$_} ne $DEFAULTVALUE{$_})
1.1.1.1   knu      2529:                    && $input{$_} ne "");
                   2530:        }
1.1.1.6   knu      2531:        print "<TR><TD align=right>";
                   2532:        print "<A name=logsort></A>\n";
                   2533:        print "Sort log by:</TD>";
1.1.1.11  knu      2534:        print "<TD>";
                   2535:        printLogSortSelect($use_java_script);
                   2536:        print "</TD>";
1.1.1.6   knu      2537:        print "<TD><INPUT TYPE=SUBMIT VALUE=\"  Set  \"></TD>";
1.1       jfieber  2538:        print "</FORM>\n";
1.1.1.6   knu      2539:        print "</TR></TABLE>";
1.1.1.1   knu      2540:         print &html_footer;
1.1       jfieber  2541:        print "</BODY></HTML>\n";
                   2542: }
                   2543:
1.1.1.2   knu      2544: sub flush_diff_rows($$$$) {
1.1.1.1   knu      2545:     my $j;
                   2546:     my ($leftColRef,$rightColRef,$leftRow,$rightRow) = @_;
                   2547:     if ($state eq "PreChangeRemove") {          # we just got remove-lines before
                   2548:       for ($j = 0 ; $j < $leftRow; $j++) {
                   2549:           print  "<tr><td bgcolor=\"$diffcolorRemove\">@$leftColRef[$j]</td>";
                   2550:           print  "<td bgcolor=\"$diffcolorEmpty\">&nbsp;</td></tr>\n";
                   2551:       }
                   2552:     }
                   2553:     elsif ($state eq "PreChange") {             # state eq "PreChange"
                   2554:       # we got removes with subsequent adds
                   2555:       for ($j = 0; $j < $leftRow || $j < $rightRow ; $j++) {  # dump out both cols
                   2556:           print  "<tr>";
                   2557:           if ($j < $leftRow) {
                   2558:              print  "<td bgcolor=\"$diffcolorChange\">@$leftColRef[$j]</td>";
                   2559:          }
                   2560:           else {
                   2561:              print  "<td bgcolor=\"$diffcolorDarkChange\">&nbsp;</td>";
                   2562:          }
                   2563:           if ($j < $rightRow) {
                   2564:              print  "<td bgcolor=\"$diffcolorChange\">@$rightColRef[$j]</td>";
                   2565:          }
                   2566:           else {
                   2567:              print  "<td bgcolor=\"$diffcolorDarkChange\">&nbsp;</td>";
                   2568:          }
                   2569:           print  "</tr>\n";
                   2570:       }
                   2571:     }
                   2572: }
1.1       jfieber  2573:
1.1.1.1   knu      2574: ##
                   2575: # Function to generate Human readable diff-files
                   2576: # human_readable_diff(String revision_to_return_to);
                   2577: ##
                   2578: sub human_readable_diff($){
1.1.1.6   knu      2579:   my ($difftxt, $where_nd, $filename, $pathname, $scriptwhere_nd);
1.1.1.1   knu      2580:   my ($fh, $rev) = @_;
                   2581:   my ($date1, $date2, $r1d, $r2d, $r1r, $r2r, $rev1, $rev2, $sym1, $sym2);
                   2582:   my (@rightCol, @leftCol);
                   2583:
                   2584:   ($where_nd = $where) =~ s/.diff$//;
                   2585:   ($filename = $where_nd) =~ s/^.*\///;
                   2586:   ($pathname = $where_nd) =~ s/(Attic\/)?[^\/]*$//;
                   2587:   ($scriptwhere_nd = $scriptwhere) =~ s/.diff$//;
                   2588:
1.1.1.2   knu      2589:   navigateHeader($scriptwhere_nd, $pathname, $filename, $rev, "diff");
1.1       jfieber  2590:
1.1.1.1   knu      2591:   # Read header to pick up read revision and date, if possible
                   2592:   while (<$fh>) {
                   2593:       ($r1d,$r1r) = /\t(.*)\t(.*)$/ if (/^--- /);
                   2594:       ($r2d,$r2r) = /\t(.*)\t(.*)$/ if (/^\+\+\+ /);
                   2595:       last if (/^\+\+\+ /);
                   2596:   }
                   2597:   if (defined($r1r) && $r1r =~ /^(\d+\.)+\d+$/) {
                   2598:     $rev1 = $r1r;
                   2599:     $date1 = $r1d;
                   2600:   }
                   2601:   if (defined($r2r) && $r2r =~ /^(\d+\.)+\d+$/) {
                   2602:     $rev2 = $r2r;
                   2603:     $date2 = $r2d;
                   2604:   }
1.1.1.2   knu      2605:
1.1.1.11  knu      2606:   print "<h3 align=center>Diff for /$where_nd between version $rev1 and $rev2</h3>\n",
                   2607:     "<table border=0 cellspacing=0 cellpadding=0 width=\"100%\">\n",
                   2608:       "<tr bgcolor=\"#ffffff\">\n",
                   2609:        "<th width=\"50%\" valign=TOP>",
                   2610:          "version $rev1";
1.1.1.1   knu      2611:   print ", $date1" if (defined($date1));
                   2612:   print "<br>Tag: $sym1\n" if ($sym1);
1.1.1.11  knu      2613:   print "</th>\n",
                   2614:     "<th width=\"50%\" valign=TOP>",
                   2615:       "version $rev2";
1.1.1.1   knu      2616:   print ", $date2" if (defined($date2));
                   2617:   print "<br>Tag: $sym2\n" if ($sym1);
                   2618:   print "</th>\n";
                   2619:
                   2620:   my $fs = "<font face=\"$difffontface\" size=\"$difffontsize\">";
                   2621:   my $fe = "</font>";
                   2622:
                   2623:   my $leftRow = 0;
                   2624:   my $rightRow = 0;
                   2625:   my ($oldline, $newline, $funname, $diffcode, $rest);
                   2626:
                   2627:   # Process diff text
                   2628:   # The diffrows are could make excellent use of
                   2629:   # cascading style sheets because we've to set the
                   2630:   # font and color for each row. anyone ...?
                   2631:   ####
1.1.1.6   knu      2632:
                   2633:   # prefetch several lines
                   2634:   my @buf = head($fh);
                   2635:
                   2636:   my %d = scan_directives(@buf);
                   2637:
                   2638:   while (@buf || !eof($fh)) {
                   2639:       $difftxt = @buf ? shift @buf : <$fh>;
1.1.1.2   knu      2640:
1.1.1.1   knu      2641:       if ($difftxt =~ /^@@/) {
                   2642:          ($oldline,$newline,$funname) = $difftxt =~ /@@ \-([0-9]+).*\+([0-9]+).*@@(.*)/;
                   2643:           print  "<tr bgcolor=\"$diffcolorHeading\"><td width=\"50%\">";
                   2644:          print  "<table width=\"100%\" border=1 cellpadding=5><tr><td><b>Line $oldline</b>";
                   2645:          print  "&nbsp;<font size=-1>$funname</font></td></tr></table>";
                   2646:           print  "</td><td width=\"50%\">";
                   2647:          print  "<table width=\"100%\" border=1 cellpadding=5><tr><td><b>Line $newline</b>";
                   2648:          print  "&nbsp;<font size=-1>$funname</font></td></tr></table>";
                   2649:          print  "</td>\n";
                   2650:          $state = "dump";
                   2651:          $leftRow = 0;
                   2652:          $rightRow = 0;
                   2653:       }
                   2654:       else {
                   2655:          ($diffcode,$rest) = $difftxt =~ /^([-+ ])(.*)/;
1.1.1.6   knu      2656:          $_ = spacedHtmlText($rest, $d{'tabstop'});
1.1.1.1   knu      2657:
                   2658:          # Add fontface, size
                   2659:          $_ = "$fs&nbsp;$_$fe";
1.1.1.2   knu      2660:
1.1.1.1   knu      2661:          #########
                   2662:          # little state machine to parse unified-diff output (Hen, zeller@think.de)
                   2663:          # in order to get some nice 'ediff'-mode output
                   2664:          # states:
                   2665:          #  "dump"             - just dump the value
                   2666:          #  "PreChangeRemove"  - we began with '-' .. so this could be the start of a 'change' area or just remove
                   2667:          #  "PreChange"        - okey, we got several '-' lines and moved to '+' lines -> this is a change block
                   2668:          ##########
                   2669:
                   2670:          if ($diffcode eq '+') {
                   2671:              if ($state eq "dump") {  # 'change' never begins with '+': just dump out value
                   2672:                  print  "<tr><td bgcolor=\"$diffcolorEmpty\">&nbsp;</td><td bgcolor=\"$diffcolorAdd\">$_</td></tr>\n";
                   2673:              }
                   2674:              else {                   # we got minus before
                   2675:                  $state = "PreChange";
                   2676:                  $rightCol[$rightRow++] = $_;
                   2677:              }
1.1.1.2   knu      2678:          }
1.1.1.1   knu      2679:          elsif ($diffcode eq '-') {
                   2680:              $state = "PreChangeRemove";
                   2681:              $leftCol[$leftRow++] = $_;
                   2682:         }
                   2683:         else {  # empty diffcode
                   2684:             flush_diff_rows \@leftCol, \@rightCol, $leftRow, $rightRow;
                   2685:              print  "<tr><td>$_</td><td>$_</td></tr>\n";
                   2686:              $state = "dump";
                   2687:              $leftRow = 0;
                   2688:              $rightRow = 0;
                   2689:          }
                   2690:       }
                   2691:   }
                   2692:   flush_diff_rows \@leftCol, \@rightCol, $leftRow, $rightRow;
                   2693:
                   2694:   # state is empty if we didn't have any change
                   2695:   if (!$state) {
                   2696:       print "<tr><td colspan=2>&nbsp;</td></tr>";
                   2697:       print "<tr bgcolor=\"$diffcolorEmpty\" >";
                   2698:       print "<td colspan=2 align=center><b>- No viewable Change -</b></td></tr>";
                   2699:   }
                   2700:   print  "</table>";
                   2701:   close($fh);
                   2702:
                   2703:   print "<br><hr noshade width=\"100%\">\n";
                   2704:
                   2705:   print "<table border=0>";
                   2706:
                   2707:   print "<tr><td>";
                   2708:   # print legend
                   2709:   print "<table border=1><tr><td>";
                   2710:   print  "Legend:<br><table border=0 cellspacing=0 cellpadding=1>\n";
                   2711:   print  "<tr><td align=center bgcolor=\"$diffcolorRemove\">Removed from v.$rev1</td><td bgcolor=\"$diffcolorEmpty\">&nbsp;</td></tr>";
                   2712:   print  "<tr bgcolor=\"$diffcolorChange\"><td align=center colspan=2>changed lines</td></tr>";
                   2713:   print  "<tr><td bgcolor=\"$diffcolorEmpty\">&nbsp;</td><td align=center bgcolor=\"$diffcolorAdd\">Added in v.$rev2</td></tr>";
                   2714:   print  "</table></td></tr></table>\n";
                   2715:
                   2716:   print "<td>";
                   2717:   # Print format selector
                   2718:   print "<FORM METHOD=\"GET\" ACTION=\"${scriptwhere}\">\n";
                   2719:   foreach my $var (keys %input) {
                   2720:     next if ($var eq "f");
                   2721:     next if (defined($DEFAULTVALUE{$var})
                   2722:             && $DEFAULTVALUE{$var} eq $input{$var});
                   2723:     print "<INPUT TYPE=HIDDEN NAME=\"",urlencode($var),"\" VALUE=\"",
                   2724:            urlencode($input{$var}),"\">\n";
                   2725:   }
                   2726:   printDiffSelect($use_java_script);
                   2727:   print "<INPUT TYPE=SUBMIT VALUE=\"Show\">\n";
                   2728:   print "</FORM>\n";
                   2729:   print "</td>";
                   2730:
                   2731:   print "</tr></table>";
1.1       jfieber  2732: }
                   2733:
1.1.1.2   knu      2734: sub navigateHeader($$$$$) {
1.1.1.1   knu      2735:     my ($swhere,$path,$filename,$rev,$title) = @_;
                   2736:     $swhere = "" if ($swhere eq $scriptwhere);
                   2737:     $swhere = urlencode($filename) if ($swhere eq "");
1.1.1.15  knu      2738:     print qq`<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">`;
1.1.1.1   knu      2739:     print "<HTML>\n<HEAD>\n";
1.1.1.15  knu      2740:     print qq`<META name="robots" content="nofollow">\n`;
1.1.1.20! knu      2741:     print '<!-- CVSweb $zRevision: 1.104 $  $kRevision: 1.57 $ -->';
1.1.1.1   knu      2742:     print "\n<TITLE>$path$filename - $title - $rev</TITLE></HEAD>\n";
1.1.1.7   knu      2743:     print  "$body_tag_for_src\n";
1.1.1.1   knu      2744:     print "<table width=\"100%\" border=0 cellspacing=0 cellpadding=1 bgcolor=\"$navigationHeaderColor\">";
                   2745:     print "<tr valign=bottom><td>";
1.1.1.11  knu      2746:     print &link($backicon, "$swhere$query#rev$rev");
1.1.1.1   knu      2747:     print "</a> <b>Return to ", &link("$filename","$swhere$query#rev$rev")," CVS log";
                   2748:     print "</b> $fileicon</td>";
1.1.1.2   knu      2749:
1.1.1.1   knu      2750:     print "<td align=right>$diricon <b>Up to ", &clickablePath($path, 1), "</b></td>";
                   2751:     print "</tr></table>";
                   2752: }
1.1       jfieber  2753:
1.1.1.2   knu      2754: sub plural_write($$) {
1.1.1.1   knu      2755:     my ($num,$text) = @_;
                   2756:     if ($num != 1) {
1.1.1.11  knu      2757:        $text .= "s";
1.1.1.1   knu      2758:     }
                   2759:     if ($num > 0) {
1.1.1.11  knu      2760:        return join(' ', $num, $text);
1.1.1.1   knu      2761:     }
                   2762:     else {
                   2763:        return "";
                   2764:     }
1.1       jfieber  2765: }
                   2766:
1.1.1.1   knu      2767: ##
                   2768: # print readable timestamp in terms of
                   2769: # '..time ago'
                   2770: # H. Zeller <zeller@think.de>
                   2771: ##
1.1.1.2   knu      2772: sub readableTime($$) {
1.1.1.1   knu      2773:     my ($i, $break, $retval);
                   2774:     my ($secs,$long) = @_;
1.1       jfieber  2775:
1.1.1.1   knu      2776:     # this function works correct for time >= 2 seconds
                   2777:     if ($secs < 2) {
                   2778:        return "very little time";
                   2779:     }
                   2780:
                   2781:     my %desc = (1 , 'second',
                   2782:                   60, 'minute',
                   2783:                   3600, 'hour',
                   2784:                   86400, 'day',
                   2785:                   604800, 'week',
                   2786:                   2628000, 'month',
                   2787:                   31536000, 'year');
                   2788:     my @breaks = sort {$a <=> $b} keys %desc;
                   2789:     $i = 0;
1.1.1.2   knu      2790:     while ($i <= $#breaks && $secs >= 2 * $breaks[$i]) {
1.1.1.1   knu      2791:        $i++;
                   2792:     }
                   2793:     $i--;
                   2794:     $break = $breaks[$i];
                   2795:     $retval = plural_write(int ($secs / $break), $desc{$break});
                   2796:
                   2797:     if ($long == 1 && $i > 0) {
                   2798:        my $rest = $secs % $break;
                   2799:        $i--;
                   2800:        $break = $breaks[$i];
1.1.1.2   knu      2801:        my $resttime = plural_write(int ($rest / $break),
1.1.1.1   knu      2802:                                $desc{$break});
                   2803:        if ($resttime) {
1.1.1.11  knu      2804:            $retval .= ", $resttime";
1.1.1.1   knu      2805:        }
                   2806:     }
                   2807:
                   2808:     return $retval;
                   2809: }
                   2810:
                   2811: ##
                   2812: # clickablePath(String pathname, boolean last_item_clickable)
                   2813: #
                   2814: # returns a html-ified path whereas each directory is a link for
                   2815: # faster navigation. last_item_clickable controls whether the
                   2816: # basename (last directory/file) is a link as well
                   2817: ##
                   2818: sub clickablePath($$) {
1.1.1.2   knu      2819:     my ($pathname,$clickLast) = @_;
1.1.1.1   knu      2820:     my $retval = '';
1.1.1.2   knu      2821:
1.1.1.1   knu      2822:     if ($pathname eq '/') {
                   2823:        # this should never happen - chooseCVSRoot() is
                   2824:        # intended to do this
                   2825:        $retval = "[$cvstree]";
                   2826:     }
                   2827:     else {
1.1.1.11  knu      2828:        $retval .= ' ' . &link("[$cvstree]", sprintf('%s/%s#dirlist',
                   2829:                                                     $scriptname,
                   2830:                                                     $query));
1.1.1.1   knu      2831:        my $wherepath = '';
                   2832:        my ($lastslash) = $pathname =~ m|/$|;
                   2833:        foreach (split(/\//, $pathname)) {
1.1.1.11  knu      2834:            $retval .= " / ";
                   2835:            $wherepath .= "/$_";
1.1.1.1   knu      2836:            my ($last) = "$wherepath/" eq "/$pathname"
                   2837:                || $wherepath eq "/$pathname";
                   2838:            if ($clickLast || !$last) {
1.1.1.11  knu      2839:                $retval .= &link($_, join('',
                   2840:                                          $scriptname,
                   2841:                                          urlencode($wherepath),
                   2842:                                          (!$last || $lastslash ? '/' : ''),
                   2843:                                          $query,
                   2844:                                          (!$last || $lastslash ? "#dirlist" : "")));
1.1.1.1   knu      2845:            }
                   2846:            else { # do not make a link to the current dir
1.1.1.11  knu      2847:                $retval .= $_;
1.1       jfieber  2848:            }
                   2849:        }
1.1.1.1   knu      2850:     }
                   2851:     return $retval;
1.1       jfieber  2852: }
                   2853:
1.1.1.1   knu      2854: sub chooseCVSRoot() {
1.1.1.20! knu      2855:     if (2 <= @CVSROOT) {
1.1.1.1   knu      2856:        my ($k);
                   2857:        print "<form method=\"GET\" action=\"${scriptwhere}\">\n";
                   2858:        foreach $k (keys %input) {
1.1.1.2   knu      2859:            print "<input type=hidden NAME=$k VALUE=$input{$k}>\n"
1.1.1.1   knu      2860:                if ($input{$k}) && ($k ne "cvsroot");
                   2861:        }
                   2862:        # Form-Elements look wierd in Netscape if the background
                   2863:        # isn't gray and the form elements are not placed
                   2864:        # within a table ...
                   2865:        print "<table><tr>";
                   2866:        print "<td>CVS Root:</td>";
                   2867:        print "<td>\n<select name=\"cvsroot\"";
                   2868:        print " onchange=\"submit()\"" if ($use_java_script);
                   2869:        print ">\n";
1.1.1.20! knu      2870:        foreach $k (@CVSROOT) {
1.1.1.1   knu      2871:            print "<option value=\"$k\"";
                   2872:            print " selected" if ($k eq $cvstree);
1.1.1.11  knu      2873:            print ">", ($CVSROOTdescr{$k} ? $CVSROOTdescr{$k} : $k), "</option>\n";
1.1.1.1   knu      2874:        }
                   2875:        print "</select>\n</td>";
1.1.1.20! knu      2876:        print "<td>";
1.1.1.1   knu      2877:     }
                   2878:     else {
                   2879:        # no choice ..
                   2880:        print "CVS Root: <b>[$cvstree]</b>";
                   2881:     }
1.1.1.20! knu      2882:
        !          2883:     print " Module path or alias:\n";
        !          2884:     print "<INPUT TYPE=TEXT NAME=\"path\" VALUE=\"\" SIZE=15>\n";
        !          2885:     print "<input type=submit value=\"Go\">";
        !          2886:
        !          2887:     if (2 <= @CVSROOT) {
        !          2888:        print "</td></tr></table></form>";
        !          2889:     }
1.1.1.1   knu      2890: }
                   2891:
                   2892: sub chooseMirror() {
                   2893:     my ($mirror,$moremirrors);
                   2894:     $moremirrors = 0;
                   2895:     # This code comes from the original BSD-cvsweb
                   2896:     # and may not be useful for your site; If you don't
                   2897:     # set %MIRRORS this won't show up, anyway
                   2898:     #
1.1.1.2   knu      2899:     # Should perhaps exlude the current site somehow..
1.1.1.1   knu      2900:     if (keys %MIRRORS) {
                   2901:        print "\nThis cvsweb is mirrored in:\n";
                   2902:        foreach $mirror (keys %MIRRORS) {
                   2903:            print ", " if ($moremirrors);
1.1.1.11  knu      2904:            print &link(htmlquote($mirror),$MIRRORS{$mirror});
1.1.1.1   knu      2905:            $moremirrors = 1;
                   2906:        }
                   2907:        print "<p>\n";
                   2908:     }
                   2909: }
                   2910:
1.1.1.2   knu      2911: sub fileSortCmp() {
1.1.1.1   knu      2912:     my ($comp) = 0;
                   2913:     my ($c,$d,$af,$bf);
                   2914:
                   2915:     ($af = $a) =~ s/,v$//;
                   2916:     ($bf = $b) =~ s/,v$//;
                   2917:     my ($rev1,$date1,$log1,$author1,$filename1) = @{$fileinfo{$af}}
                   2918:         if (defined($fileinfo{$af}));
                   2919:     my ($rev2,$date2,$log2,$author2,$filename2) = @{$fileinfo{$bf}}
                   2920:         if (defined($fileinfo{$bf}));
                   2921:
                   2922:     if (defined($filename1) && defined($filename2) && $af eq $filename1 && $bf eq $filename2) {
                   2923:        # Two files
                   2924:        $comp = -revcmp($rev1, $rev2) if ($byrev && $rev1 && $rev2);
                   2925:        $comp = ($date2 <=> $date1) if ($bydate && $date1 && $date2);
                   2926:        $comp = ($log1 cmp $log2) if ($bylog && $log1 && $log2);
                   2927:        $comp = ($author1 cmp $author2) if ($byauthor && $author1 && $author2);
                   2928:     }
                   2929:     if ($comp == 0) {
                   2930:        # Directories first, then sorted on name if no other sort critera
                   2931:        # available.
                   2932:        my $ad = ((-d "$fullname/$a")?"D":"F");
                   2933:        my $bd = ((-d "$fullname/$b")?"D":"F");
                   2934:        ($c=$a) =~ s|.*/||;
                   2935:        ($d=$b) =~ s|.*/||;
                   2936:        $comp = ("$ad$c" cmp "$bd$d");
                   2937:     }
                   2938:     return $comp;
                   2939: }
                   2940:
                   2941: # make A url for downloading
1.1.1.2   knu      2942: sub download_url($$;$) {
1.1.1.1   knu      2943:     my ($url,$revision,$mimetype) = @_;
                   2944:
1.1.1.15  knu      2945:     $revision =~ s/\b0\.//;
1.1.1.1   knu      2946:
1.1.1.11  knu      2947:     if (defined($checkoutMagic)
1.1.1.1   knu      2948:        && (!defined($mimetype) || $mimetype ne "text/x-cvsweb-markup")) {
1.1.1.11  knu      2949:        my $path = $where;
                   2950:        $path =~ s|/[^/]*$|/|;
1.1.1.1   knu      2951:        $url = "$scriptname/$checkoutMagic/${path}$url";
                   2952:     }
                   2953:     $url .= "?rev=$revision";
1.1.1.11  knu      2954:     $url .= '&content-type=' . urlencode($mimetype) if (defined($mimetype));
1.1.1.1   knu      2955:
1.1.1.11  knu      2956:     $url;
1.1.1.1   knu      2957: }
                   2958:
1.1.1.2   knu      2959: # Presents a link to download the
1.1.1.1   knu      2960: # selected revision
1.1.1.2   knu      2961: sub download_link($$$;$) {
1.1.1.11  knu      2962:     my ($url, $revision, $textlink, $mimetype) = @_;
                   2963:     my ($fullurl) = download_url($url, $revision, $mimetype);
                   2964:
1.1.1.16  knu      2965:     printf '<A HREF="%s"', hrefquote("$fullurl$barequery");
1.1.1.11  knu      2966:
1.1.1.1   knu      2967:     if ($open_extern_window && (!defined($mimetype) || $mimetype ne "text/x-cvsweb-markup")) {
1.1.1.11  knu      2968:        print ' target="cvs_checkout"';
1.1.1.1   knu      2969:        # we should have
                   2970:        #   'if (document.cvswin==null) document.cvswin=window.open(...'
                   2971:        # in order to allow the user to resize the window; otherwise
                   2972:        # the user may resize the window, but on next checkout - zap -
                   2973:        # its original (configured s. cvsweb.conf) size is back again
                   2974:        # .. annoying (if $extern_window_(width|height) is defined)
                   2975:        # but this if (..) solution is far from perfect
                   2976:        # what we need to do as well is
                   2977:        # 1) save cvswin in an invisible frame that always exists
                   2978:        #    (document.cvswin will be void on next load)
                   2979:        # 2) on close of the cvs_checkout - window set the cvswin
                   2980:        #    variable to 'null' again - so that it will be
                   2981:        #    reopenend with the configured size
                   2982:        # anyone a JavaScript programmer ?
                   2983:        # .. so here without if (..):
                   2984:        # currently, the best way is to comment out the size parameters
                   2985:        # ($extern_window...) in cvsweb.conf.
                   2986:        if ($use_java_script) {
1.1.1.11  knu      2987:            my @attr = qw(resizeable scrollbars);
                   2988:
                   2989:            push @attr, qw(status toolbar)
                   2990:              if (defined($mimetype) && $mimetype eq "text/html");
                   2991:
                   2992:            push @attr, "width=$extern_window_width"
                   2993:              if (defined($extern_window_width));
                   2994:
                   2995:            push @attr, "height=$extern_window_height"
                   2996:              if (defined($extern_window_height));
                   2997:
                   2998:            printf q` onClick="window.open('%s','cvs_checkout','%s');"`,
1.1.1.16  knu      2999:              hrefquote($fullurl), join(',', @attr);
1.1.1.1   knu      3000:        }
                   3001:     }
                   3002:     print "><b>$textlink</b></A>";
                   3003: }
                   3004:
                   3005: # Returns a Query string with the
                   3006: # specified parameter toggled
                   3007: sub toggleQuery($$) {
                   3008:     my ($toggle,$value) = @_;
                   3009:     my ($newquery,$var);
                   3010:     my (%vars);
                   3011:     %vars = %input;
                   3012:     if (defined($value)) {
                   3013:        $vars{$toggle} = $value;
                   3014:     }
                   3015:     else {
                   3016:        $vars{$toggle} = $vars{$toggle} ? 0 : 1;
                   3017:     }
                   3018:     # Build a new query of non-default paramenters
                   3019:     $newquery = "";
                   3020:     foreach $var (@stickyvars) {
                   3021:        my ($value) = defined($vars{$var}) ? $vars{$var} : "";
                   3022:        my ($default) = defined($DEFAULTVALUE{$var}) ? $DEFAULTVALUE{$var} : "";
                   3023:        if ($value ne $default) {
1.1.1.11  knu      3024:            $newquery .= "&" if ($newquery ne "");
1.1.1.1   knu      3025:            $newquery .= urlencode($var) . "=" . urlencode($value);
                   3026:        }
                   3027:     }
                   3028:     if ($newquery) {
                   3029:        return '?' . $newquery;
                   3030:     }
                   3031:     return "";
                   3032: }
                   3033:
1.1.1.2   knu      3034: sub urlencode($) {
1.1.1.11  knu      3035:     local($_) = @_;
                   3036:
                   3037:     s/[\000-+{-\377]/sprintf("%%%02x", ord($&))/ge;
                   3038:
1.1.1.16  knu      3039:     $_;
1.1.1.11  knu      3040: }
                   3041:
                   3042: sub htmlquote($) {
                   3043:     local($_) = @_;
                   3044:
                   3045:     # Special Characters; RFC 1866
                   3046:     s/&/&amp;/g;
                   3047:     s/\"/&quot;/g;
                   3048:     s/</&lt;/g;
                   3049:     s/>/&gt;/g;
                   3050:
                   3051:     $_;
                   3052: }
                   3053:
                   3054: sub htmlunquote($) {
                   3055:     local($_) = @_;
                   3056:
                   3057:     # Special Characters; RFC 1866
                   3058:     s/&quot;/\"/g;
                   3059:     s/&lt;/</g;
                   3060:     s/&gt;/>/g;
                   3061:     s/&amp;/&/g;
                   3062:
                   3063:     $_;
1.1.1.1   knu      3064: }
                   3065:
1.1.1.16  knu      3066: sub hrefquote($) {
                   3067:     local($_) = @_;
                   3068:
                   3069:     y/ /+/;
                   3070:
                   3071:     htmlquote($_)
                   3072: }
                   3073:
1.1.1.2   knu      3074: sub http_header(;$) {
1.1.1.1   knu      3075:     my $content_type = shift || "text/html";
1.1.1.18  knu      3076:
                   3077:     $content_type .= "; charset=$charset"
                   3078:       if $content_type =~ m,^text/, && defined($charset) && $charset;
                   3079:
1.1.1.1   knu      3080:     if (defined($moddate)) {
                   3081:        if ($is_mod_perl) {
1.1.1.6   knu      3082:            Apache->request->header_out("Last-Modified" => scalar gmtime($moddate) . " GMT");
1.1.1.1   knu      3083:        }
                   3084:        else {
1.1.1.11  knu      3085:            print "Last-Modified: ", scalar gmtime($moddate), " GMT\r\n";
1.1.1.1   knu      3086:        }
                   3087:     }
                   3088:     if ($is_mod_perl) {
                   3089:        Apache->request->content_type($content_type);
                   3090:     }
                   3091:     else {
                   3092:            print "Content-type: $content_type\r\n";
                   3093:     }
                   3094:     if ($allow_compress && $maycompress) {
1.1.1.6   knu      3095:        if ($has_zlib || (defined($GZIPBIN) && open(GZIP, "|$GZIPBIN -1 -c"))) {
1.1.1.1   knu      3096:            if ($is_mod_perl) {
                   3097:                    Apache->request->content_encoding("x-gzip");
                   3098:                    Apache->request->header_out(Vary => "Accept-Encoding");
                   3099:                    Apache->request->send_http_header;
                   3100:            }
                   3101:            else {
                   3102:                    print "Content-encoding: x-gzip\r\n";
                   3103:                    print "Vary: Accept-Encoding\r\n";  #RFC 2068, 14.43
                   3104:                    print "\r\n"; # Close headers
                   3105:            }
                   3106:            $| = 1; $| = 0; # Flush header output
1.1.1.6   knu      3107:            if ($has_zlib) {
                   3108:                tie *GZIP, __PACKAGE__, \*STDOUT;
                   3109:            }
                   3110:            select(GZIP);
                   3111:            $gzip_open = 1;
1.1.1.13  knu      3112: #          print "<!-- gzipped -->" if ($content_type =~ m|^text/html\b|);
1.1.1.1   knu      3113:        }
                   3114:        else {
                   3115:            if ($is_mod_perl) {
                   3116:                    Apache->request->send_http_header;
                   3117:            }
                   3118:            else {
                   3119:                    print "\r\n"; # Close headers
                   3120:            }
                   3121:            print "<font size=-1>Unable to find gzip binary in the \$PATH to compress output</font><br>";
                   3122:        }
                   3123:     }
                   3124:     else {
                   3125:            if ($is_mod_perl) {
                   3126:                    Apache->request->send_http_header;
                   3127:            }
                   3128:            else {
                   3129:                    print "\r\n"; # Close headers
                   3130:            }
                   3131:     }
                   3132: }
                   3133:
                   3134: sub html_header($) {
                   3135:     my ($title) = @_;
1.1.1.20! knu      3136:     my $version = '$zRevision: 1.104 $  $kRevision: 1.57 $'; #'
1.1.1.18  knu      3137:     http_header("text/html");
1.1.1.1   knu      3138:     print <<EOH;
                   3139: <!doctype html public "-//W3C//DTD HTML 4.0 Transitional//EN"
                   3140:  "http://www.w3.org/TR/REC-html40/loose.dtd">
                   3141: <html>
1.1.1.13  knu      3142: <head>
1.1.1.15  knu      3143: <meta name="robots" content="nofollow">
1.1.1.1   knu      3144: <title>$title</title>
                   3145: <!-- CVSweb $version -->
                   3146: </head>
                   3147: $body_tag
                   3148: $logo <h1 align="center">$title</h1>
                   3149: EOH
                   3150: }
                   3151:
1.1.1.2   knu      3152: sub html_footer() {
1.1.1.1   knu      3153:     return "<hr noshade><address>$address</address>\n";
                   3154: }
                   3155:
1.1.1.2   knu      3156: sub link_tags($) {
1.1.1.1   knu      3157:     my ($tags) = @_;
                   3158:     my ($ret) = "";
                   3159:     my ($fileurl,$filename);
                   3160:
                   3161:     ($filename = $where) =~ s/^.*\///;
                   3162:     $fileurl = urlencode($filename);
                   3163:
                   3164:     foreach my $sym (split(", ", $tags)) {
                   3165:        $ret .= ",\n" if ($ret ne "");
1.1.1.11  knu      3166:        $ret .= &link($sym, $fileurl . toggleQuery('only_with_tag',$sym));
1.1.1.1   knu      3167:     }
1.1.1.11  knu      3168:     return "$ret\n";
1.1.1.1   knu      3169: }
                   3170:
                   3171: #
                   3172: # See if a module is listed in the config file's @HideModule list.
                   3173: #
1.1.1.2   knu      3174: sub forbidden_module($) {
1.1.1.1   knu      3175:     my($module) = @_;
1.1.1.2   knu      3176:
1.1.1.1   knu      3177:     for (my $i=0; $i < @HideModules; $i++) {
                   3178:        return 1 if $module eq $HideModules[$i];
                   3179:     }
                   3180:
                   3181:     return 0;
1.1.1.7   knu      3182: }
                   3183:
                   3184: # Close the GZIP handle remove the tie.
                   3185:
                   3186: sub gzipclose {
                   3187:        if ($gzip_open) {
                   3188:            select(STDOUT);
                   3189:            close(GZIP);
                   3190:            untie *GZIP;
                   3191:            $gzip_open = 0;
                   3192:        }
1.1.1.6   knu      3193: }
                   3194:
                   3195: # implement a gzipped file handle via the Compress:Zlib compression
                   3196: # library.
                   3197:
                   3198: sub MAGIC1() { 0x1f }
                   3199: sub MAGIC2() { 0x8b }
                   3200: sub OSCODE() { 3    }
                   3201:
                   3202: sub TIEHANDLE {
                   3203:        my ($class, $out) = @_;
                   3204:        my ($d) = Compress::Zlib::deflateInit(-Level => Compress::Zlib::Z_BEST_COMPRESSION(),
                   3205:                -WindowBits => -Compress::Zlib::MAX_WBITS()) or return undef;
                   3206:        my ($o) = {
                   3207:                handle => $out,
                   3208:                dh => $d,
                   3209:                crc => 0,
                   3210:                len => 0,
                   3211:        };
                   3212:        my ($header) = pack("c10", MAGIC1, MAGIC2, Compress::Zlib::Z_DEFLATED(), 0,0,0,0,0,0, OSCODE);
                   3213:        print {$o->{handle}} $header;
                   3214:        return bless($o, $class);
                   3215: }
                   3216:
                   3217: sub PRINT {
                   3218:        my ($o) = shift;
                   3219:        my ($buf) = join(defined $, ? $, : "",@_);
                   3220:        my ($len) = length($buf);
                   3221:        my ($compressed, $status) = $o->{dh}->deflate($buf);
                   3222:        print {$o->{handle}} $compressed if defined($compressed);
                   3223:        $o->{crc} = Compress::Zlib::crc32($buf, $o->{crc});
                   3224:        $o->{len} += $len;
                   3225:        return $len;
                   3226: }
                   3227:
                   3228: sub PRINTF {
                   3229:        my ($o) = shift;
                   3230:        my ($fmt) = shift;
                   3231:        my ($buf) = sprintf($fmt, @_);
                   3232:        my ($len) = length($buf);
                   3233:        my ($compressed, $status) = $o->{dh}->deflate($buf);
                   3234:        print {$o->{handle}} $compressed if defined($compressed);
                   3235:        $o->{crc} = Compress::Zlib::crc32($buf, $o->{crc});
                   3236:        $o->{len} += $len;
                   3237:        return $len;
                   3238: }
                   3239:
                   3240: sub WRITE {
                   3241:        my ($o, $buf, $len, $off) = @_;
                   3242:        my ($compressed, $status) = $o->{dh}->deflate(substr($buf, 0, $len));
                   3243:        print {$o->{handle}} $compressed if defined($compressed);
                   3244:        $o->{crc} = Compress::Zlib::crc32(substr($buf, 0, $len), $o->{crc});
                   3245:        $o->{len} += $len;
                   3246:        return $len;
                   3247: }
                   3248:
                   3249: sub CLOSE {
                   3250:        my ($o) = @_;
                   3251:        return if !defined( $o->{dh});
                   3252:        my ($buf) = $o->{dh}->flush();
                   3253:        $buf .= pack("V V", $o->{crc}, $o->{len});
                   3254:        print {$o->{handle}} $buf;
                   3255:        undef $o->{dh};
                   3256: }
                   3257:
                   3258: sub DESTROY {
                   3259:        my ($o) = @_;
                   3260:        CLOSE($o);
1.1       jfieber  3261: }

CVSweb