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Annotation of cvsweb/cvsweb.cgi, Revision 3.66

3.55      knu         1: #!/usr/bin/perl -wT
1.1       jfieber     2: #
3.1       knu         3: # cvsweb - a CGI interface to CVS trees.
1.1       jfieber     4: #
3.12      knu         5: # Written in their spare time by
3.1       knu         6: #             Bill Fenner      <fenner@FreeBSD.org>   (original work)
                      7: # extended by Henner Zeller    <zeller@think.de>,
3.12      knu         8: #             Henrik Nordstrom <hno@hem.passagen.se>
3.1       knu         9: #             Ken Coar         <coar@Apache.Org>
                     10: #             Dick Balaska     <dick@buckosoft.com>
                     11: #             Akinori MUSHA    <knu@FreeBSD.org>
3.23      knu        12: #             Jens-Uwe Mager   <jum@helios.de>
3.1       knu        13: #
                     14: # Based on:
                     15: # * Bill Fenners cvsweb.cgi revision 1.28 available from:
3.5       knu        16: #   http://www.FreeBSD.org/cgi/cvsweb.cgi/www/en/cgi/cvsweb.cgi
1.1       jfieber    17: #
1.21      wosch      18: # Copyright (c) 1996-1998 Bill Fenner
3.1       knu        19: #           (c) 1998-1999 Henner Zeller
                     20: #          (c) 1999      Henrik Nordstrom
3.64      knu        21: #          (c) 2000-2001 Akinori MUSHA
1.21      wosch      22: # All rights reserved.
                     23: #
                     24: # Redistribution and use in source and binary forms, with or without
                     25: # modification, are permitted provided that the following conditions
                     26: # are met:
                     27: # 1. Redistributions of source code must retain the above copyright
                     28: #    notice, this list of conditions and the following disclaimer.
                     29: # 2. Redistributions in binary form must reproduce the above copyright
                     30: #    notice, this list of conditions and the following disclaimer in the
                     31: #    documentation and/or other materials provided with the distribution.
                     32: #
                     33: # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
                     34: # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     35: # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     36: # ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
                     37: # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     38: # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     39: # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     40: # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     41: # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     42: # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     43: # SUCH DAMAGE.
                     44: #
3.64      knu        45: # $Id: cvsweb.cgi,v 1.105 2000/11/26 01:51:04 jumager Exp $
3.66    ! knu        46: # $Idaemons: /home/cvs/cvsweb/cvsweb.cgi,v 3.65 2001/01/29 03:54:45 knu Exp $
1.21      wosch      47: #
3.1       knu        48: ###
                     49:
3.55      knu        50: require 5.000;
                     51:
3.1       knu        52: use strict;
1.21      wosch      53:
3.1       knu        54: use vars qw (
3.64      knu        55:     $cvsweb_revision
3.60      knu        56:     $mydir $uname $config $allow_version_select $verbose
3.56      knu        57:     @CVSrepositories @CVSROOT %CVSROOT %CVSROOTdescr
                     58:     %MIRRORS %DEFAULTVALUE %ICONS %MTYPES
3.37      knu        59:     @DIFFTYPES %DIFFTYPES @LOGSORTKEYS %LOGSORTKEYS
3.1       knu        60:     %alltags @tabcolors %fileinfo %tags @branchnames %nameprinted
                     61:     %symrev %revsym @allrevisions %date %author @revdisplayorder
3.17      knu        62:     @revisions %state %difflines %log %branchpoint @revorder
3.54      knu        63:     $prcgi @prcategories $re_prcategories $prkeyword $re_prkeyword $mancgi
3.1       knu        64:     $checkoutMagic $doCheckout $scriptname $scriptwhere
3.3       knu        65:     $where $pathinfo $Browser $nofilelinks $maycompress @stickyvars
                     66:     %funcline_regexp $is_mod_perl
3.34      knu        67:     $is_links $is_lynx $is_w3m $is_msie $is_mozilla3 $is_textbased
3.1       knu        68:     %input $query $barequery $sortby $bydate $byrev $byauthor
3.37      knu        69:     $bylog $byfile $defaultDiffType $logsort $cvstree $cvsroot
3.40      knu        70:     $mimetype $charset $defaultTextPlain $defaultViewable
3.58      knu        71:     $command_path %CMD $allow_compress
                     72:     $backicon $diricon $fileicon
3.40      knu        73:     $fullname $newname $cvstreedefault
                     74:     $body_tag $body_tag_for_src $logo $defaulttitle $address
3.26      knu        75:     $long_intro $short_instruction $shortLogLen
3.1       knu        76:     $show_author $dirtable $tablepadding $columnHeaderColorDefault
3.3       knu        77:     $columnHeaderColorSorted $hr_breakable $showfunc $hr_ignwhite
3.1       knu        78:     $hr_ignkeysubst $diffcolorHeading $diffcolorEmpty $diffcolorRemove
                     79:     $diffcolorChange $diffcolorAdd $diffcolorDarkChange $difffontface
                     80:     $difffontsize $inputTextSize $mime_types $allow_annotate
                     81:     $allow_markup $use_java_script $open_extern_window
                     82:     $extern_window_width $extern_window_height $edit_option_form
3.51      knu        83:     $show_subdir_lastmod $show_log_in_markup $preformat_in_markup $v
3.1       knu        84:     $navigationHeaderColor $tableBorderColor $markupLogColor
                     85:     $tabstop $state $annTable $sel $curbranch @HideModules
                     86:     $module $use_descriptions %descriptions @mytz $dwhere $moddate
3.61      knu        87:     $use_moddate $has_zlib $gzip_open
                     88:     $allow_tar @tar_options @gzip_options @cvs_options
3.32      knu        89:     $LOG_FILESEPARATOR $LOG_REVSEPARATOR
3.1       knu        90: );
                     91:
3.12      knu        92: sub printDiffSelect($);
3.37      knu        93: sub printDiffLinks($$);
                     94: sub printLogSortSelect($);
3.12      knu        95: sub findLastModifiedSubdirs(@);
3.36      knu        96: sub htmlify_sub(&$);
3.12      knu        97: sub htmlify($;$);
3.20      knu        98: sub spacedHtmlText($;$);
3.12      knu        99: sub link($$);
                    100: sub revcmp($$);
                    101: sub fatal($$);
                    102: sub redirect($);
                    103: sub safeglob($);
3.58      knu       104: sub search_path($);
3.12      knu       105: sub getMimeTypeFromSuffix($);
3.24      knu       106: sub head($;$);
                    107: sub scan_directives(@);
3.12      knu       108: sub doAnnotate($$);
                    109: sub doCheckout($$);
                    110: sub cvswebMarkup($$$);
                    111: sub viewable($);
                    112: sub doDiff($$$$$$);
                    113: sub getDirLogs($$@);
                    114: sub readLog($;$);
                    115: sub printLog($;$);
                    116: sub doLog($);
                    117: sub flush_diff_rows($$$$);
                    118: sub human_readable_diff($);
                    119: sub navigateHeader($$$$$);
                    120: sub plural_write($$);
                    121: sub readableTime($$);
                    122: sub clickablePath($$);
                    123: sub chooseCVSRoot();
                    124: sub chooseMirror();
                    125: sub fileSortCmp();
                    126: sub download_url($$;$);
                    127: sub download_link($$$;$);
                    128: sub toggleQuery($$);
                    129: sub urlencode($);
3.35      knu       130: sub htmlquote($);
3.36      knu       131: sub htmlunquote($);
3.48      knu       132: sub hrefquote($);
3.12      knu       133: sub http_header(;$);
                    134: sub html_header($);
                    135: sub html_footer();
                    136: sub link_tags($);
                    137: sub forbidden_module($);
                    138:
3.1       knu       139: ##### Start of Configuration Area ########
3.59      knu       140: delete $ENV{PATH};
                    141:
3.64      knu       142: $cvsweb_revision = join('.', '1.105', (split(/ /,
3.66    ! knu       143:  q$Idaemons: /home/cvs/cvsweb/cvsweb.cgi,v 3.65 2001/01/29 03:54:45 knu Exp $
3.64      knu       144: ))[2]);
                    145:
3.55      knu       146: use File::Basename;
3.11      knu       147:
3.58      knu       148: ($mydir) = (dirname($0) =~ /(.*)/); # untaint
                    149:
3.12      knu       150: # == EDIT this ==
3.28      knu       151: # Locations to search for user configuration, in order:
                    152: for (
3.58      knu       153:      "$mydir/cvsweb.conf",
3.56      knu       154:      '/usr/local/etc/cvsweb/cvsweb.conf'
3.28      knu       155:     ) {
3.55      knu       156:     if (defined($_) && -r $_) {
3.58      knu       157:        $config = $_;
3.55      knu       158:        last;
                    159:     }
3.11      knu       160: }
3.1       knu       161:
                    162: # == Configuration defaults ==
                    163: # Defaults for configuration variables that shouldn't need
                    164: # to be configured..
                    165: $allow_version_select = 1;
                    166:
                    167: ##### End of Configuration Area   ########
                    168:
                    169: ######## Configuration variables #########
                    170: # These are defined to allow checking with perl -cw
3.56      knu       171: @CVSrepositories = @CVSROOT = %CVSROOT =
                    172: %MIRRORS = %DEFAULTVALUE = %ICONS = %MTYPES =
3.1       knu       173: %tags = %alltags = @tabcolors = ();
3.28      knu       174: $cvstreedefault = $body_tag = $body_tag_for_src =
3.26      knu       175: $logo = $defaulttitle = $address =
                    176: $long_intro = $short_instruction = $shortLogLen =
3.1       knu       177: $show_author = $dirtable = $tablepadding = $columnHeaderColorDefault =
3.3       knu       178: $columnHeaderColorSorted = $hr_breakable = $showfunc = $hr_ignwhite =
3.1       knu       179: $hr_ignkeysubst = $diffcolorHeading = $diffcolorEmpty = $diffcolorRemove =
                    180: $diffcolorChange = $diffcolorAdd = $diffcolorDarkChange = $difffontface =
                    181: $difffontsize = $inputTextSize = $mime_types = $allow_annotate =
                    182: $allow_markup = $use_java_script = $open_extern_window =
                    183: $extern_window_width = $extern_window_height = $edit_option_form =
3.35      knu       184: $show_subdir_lastmod = $show_log_in_markup = $v =
3.12      knu       185: $navigationHeaderColor = $tableBorderColor = $markupLogColor =
3.25      knu       186: $tabstop = $use_moddate = $moddate = $gzip_open = undef;
1.21      wosch     187:
3.32      knu       188: $LOG_FILESEPARATOR = q/^={77}$/;
                    189: $LOG_REVSEPARATOR = q/^-{28}$/;
                    190:
3.37      knu       191: @DIFFTYPES = qw(h H u c s);
                    192: @DIFFTYPES{@DIFFTYPES} = (
                    193:                          {
                    194:                           'descr'   => 'colored',
                    195:                           'opts'    => [ '-u' ],
                    196:                           'colored' => 1,
                    197:                          },
                    198:                          {
                    199:                           'descr'   => 'long colored',
                    200:                           'opts'    => [ '--unified=15' ],
                    201:                           'colored' => 1,
                    202:                          },
                    203:                          {
                    204:                           'descr'   => 'unified',
                    205:                           'opts'    => [ '-u' ],
                    206:                           'colored' => 0,
                    207:                          },
                    208:                          {
                    209:                           'descr'   => 'context',
                    210:                           'opts'    => [ '-c' ],
                    211:                           'colored' => 0,
                    212:                          },
                    213:                          {
                    214:                           'descr'   => 'side by side',
                    215:                           'opts'    => [ '--side-by-side', '--width=164' ],
                    216:                           'colored' => 0,
                    217:                          },
                    218:                         );
                    219:
                    220: @LOGSORTKEYS = qw(cvs date rev);
                    221: @LOGSORTKEYS{@LOGSORTKEYS} = (
                    222:                              {
                    223:                               'descr' => 'Not sorted',
                    224:                              },
                    225:                              {
                    226:                               'descr' => 'Commit date',
                    227:                              },
                    228:                              {
                    229:                               'descr' => 'Revision',
                    230:                              },
                    231:                             );
                    232:
                    233:
3.1       knu       234: ##### End of configuration variables #####
                    235:
                    236: use Time::Local;
                    237: use IPC::Open2;
1.1       jfieber   238:
3.23      knu       239: # Check if the zlib C library interface is installed, and if yes
                    240: # we can avoid using the extra gzip process.
                    241: eval {
                    242:        require Compress::Zlib;
                    243: };
                    244: $has_zlib = !$@;
                    245:
1.1       jfieber   246: $verbose = $v;
3.1       knu       247: $checkoutMagic = "~checkout~";
3.3       knu       248: $pathinfo = defined($ENV{PATH_INFO}) ? $ENV{PATH_INFO} : '';
                    249: $where = $pathinfo;
3.63      knu       250: $doCheckout = ($where =~ m|^/$checkoutMagic/|);
                    251: $where =~ s|^/$checkoutMagic/|/|;
                    252: $where =~ s|^/||;
3.3       knu       253: $scriptname = defined($ENV{SCRIPT_NAME}) ? $ENV{SCRIPT_NAME} : '';
3.63      knu       254: $scriptname =~ s|^/*|/|;
                    255:
3.64      knu       256: # Let's workaround thttpd's stupidity..
3.63      knu       257: if ($scriptname =~ m|/$|) {
                    258:     $pathinfo .= '/';
                    259:     my $re = quotemeta $pathinfo;
                    260:     $scriptname =~ s/$re$//;
                    261: }
                    262:
3.3       knu       263: $scriptwhere = $scriptname;
3.63      knu       264: $scriptwhere .= '/' . urlencode($where);
                    265: $where = '/' if ($where eq '');
3.3       knu       266:
                    267: $is_mod_perl = defined($ENV{MOD_PERL});
3.1       knu       268:
                    269: # in lynx, it it very annoying to have two links
                    270: # per file, so disable the link at the icon
                    271: # in this case:
3.44      knu       272: $Browser = $ENV{HTTP_USER_AGENT} || '';
3.34      knu       273: $is_links = ($Browser =~ m`^Links `);
3.5       knu       274: $is_lynx = ($Browser =~ m`^Lynx/`i);
                    275: $is_w3m = ($Browser =~ m`^w3m/`i);
3.3       knu       276: $is_msie = ($Browser =~ m`MSIE`);
3.5       knu       277: $is_mozilla3 = ($Browser =~ m`^Mozilla/[3-9]`);
3.3       knu       278:
3.34      knu       279: $is_textbased = ($is_links || $is_lynx || $is_w3m);
3.5       knu       280:
                    281: $nofilelinks = $is_textbased;
3.1       knu       282:
                    283: # newer browsers accept gzip content encoding
                    284: # and state this in a header
                    285: # (netscape did always but didn't state it)
                    286: # It has been reported that these
                    287: #  braindamaged MS-Internet Exploders claim that they
                    288: # accept gzip .. but don't in fact and
                    289: # display garbage then :-/
3.23      knu       290: # Turn off gzip if running under mod_perl and no zlib is available,
                    291: # piping does not work as expected inside the server.
3.25      knu       292: $maycompress = (((defined($ENV{HTTP_ACCEPT_ENCODING})
                    293:                 && $ENV{HTTP_ACCEPT_ENCODING} =~ m`gzip`)
3.12      knu       294:                 || $is_mozilla3)
                    295:                && !$is_msie
3.23      knu       296:                && !($is_mod_perl && !$has_zlib));
3.1       knu       297:
                    298: # put here the variables we need in order
                    299: # to hold our state - they will be added (with
3.12      knu       300: # their current value) to any link/query string
3.1       knu       301: # you construct
3.6       knu       302: @stickyvars = qw(cvsroot hideattic sortby logsort f only_with_tag);
1.1       jfieber   303:
3.1       knu       304: if (-f $config) {
3.49      knu       305:    require $config
3.27      knu       306:      || &fatal("500 Internal Error",
                    307:               sprintf('Error in loading configuration file: %s<BR><BR>%s<BR>',
                    308:                       $config, &htmlify($@)));
                    309: } else {
3.1       knu       310:    &fatal("500 Internal Error",
                    311:          'Configuration not found.  Set the variable <code>$config</code> '
3.65      knu       312:           . 'in cvsweb.cgi to your <b>cvsweb.conf</b> configuration file first.');
3.1       knu       313: }
                    314:
                    315: undef %input;
3.3       knu       316: $query = $ENV{QUERY_STRING};
                    317:
3.12      knu       318: if (defined($query) && $query ne '') {
1.9       fenner    319:     foreach (split(/&/, $query)) {
3.46      knu       320:        y/+/ /;
1.7       fenner    321:        s/%(..)/sprintf("%c", hex($1))/ge;      # unquote %-quoted
                    322:        if (/(\S+)=(.*)/) {
3.1       knu       323:            $input{$1} = $2 if ($2 ne "");
                    324:        }
                    325:        else {
1.7       fenner    326:            $input{$_}++;
                    327:        }
                    328:     }
                    329: }
1.10      wosch     330:
3.12      knu       331: # For backwards compability, set only_with_tag to only_on_branch if set.
3.1       knu       332: $input{only_with_tag} = $input{only_on_branch}
                    333:     if (defined($input{only_on_branch}));
1.10      wosch     334:
3.1       knu       335: $DEFAULTVALUE{'cvsroot'} = $cvstreedefault;
1.10      wosch     336:
3.1       knu       337: foreach (keys %DEFAULTVALUE)
                    338: {
                    339:     # replace not given parameters with the default parameters
                    340:     if (!defined($input{$_}) || $input{$_} eq "") {
                    341:        # Empty Checkboxes in forms return -- nothing. So we define a helper
                    342:        # variable in these forms (copt) which indicates that we just set
                    343:        # parameters with a checkbox
                    344:        if (!defined($input{"copt"})) {
                    345:            # 'copt' isn't defined --> empty input is not the result
                    346:            # of empty input checkbox --> set default
                    347:            $input{$_} = $DEFAULTVALUE{$_} if (defined($DEFAULTVALUE{$_}));
                    348:        }
                    349:        else {
                    350:            # 'copt' is defined -> the result of empty input checkbox
                    351:            # -> set to zero (disable) if default is a boolean (0|1).
                    352:            $input{$_} = 0
                    353:                if (defined($DEFAULTVALUE{$_})
                    354:                    && ($DEFAULTVALUE{$_} eq "0" || $DEFAULTVALUE{$_} eq "1"));
                    355:        }
1.10      wosch     356:     }
                    357: }
3.12      knu       358:
3.1       knu       359: $barequery = "";
3.31      knu       360: my @barequery;
3.1       knu       361: foreach (@stickyvars) {
                    362:     # construct a query string with the sticky non default parameters set
3.12      knu       363:     if (defined($input{$_}) && $input{$_} ne '' &&
3.4       knu       364:        !(defined($DEFAULTVALUE{$_}) && $input{$_} eq $DEFAULTVALUE{$_})) {
3.32      knu       365:        push @barequery, join('=', urlencode($_), urlencode($input{$_}));
3.1       knu       366:     }
                    367: }
                    368: # is there any query ?
3.31      knu       369: if (@barequery) {
3.35      knu       370:     $barequery = join('&', @barequery);
3.1       knu       371:     $query = "?$barequery";
3.35      knu       372:     $barequery = "&$barequery";
3.1       knu       373: }
                    374: else {
                    375:     $query = "";
                    376: }
3.31      knu       377: undef @barequery;
3.1       knu       378:
3.57      knu       379: if (defined($input{path})) {
                    380:     redirect("$scriptname/$input{path}$query");
                    381: }
                    382:
3.1       knu       383: # get actual parameters
                    384: $sortby = $input{"sortby"};
                    385: $bydate = 0;
                    386: $byrev = 0;
                    387: $byauthor = 0;
                    388: $bylog = 0;
                    389: $byfile = 0;
                    390: if ($sortby eq "date") {
                    391:     $bydate = 1;
                    392: }
                    393: elsif ($sortby eq "rev") {
                    394:     $byrev = 1;
                    395: }
                    396: elsif ($sortby eq "author") {
                    397:     $byauthor = 1;
                    398: }
                    399: elsif ($sortby eq "log") {
                    400:     $bylog = 1;
                    401: }
                    402: else {
                    403:     $byfile = 1;
                    404: }
                    405:
3.37      knu       406: $defaultDiffType = $input{'f'};
3.1       knu       407:
3.3       knu       408: $logsort = $input{'logsort'};
1.10      wosch     409:
3.56      knu       410: my @tmp = @CVSrepositories;
                    411: my @pair;
                    412:
                    413: while (@pair = splice(@tmp, 0, 2)) {
                    414:     my($key, $val) = @pair;
3.57      knu       415:     my($descr, $cvsroot) = @$val;
3.56      knu       416:
3.57      knu       417:     next if !-d $cvsroot;
                    418:
                    419:     $CVSROOTdescr{$key} = $descr;
                    420:     $CVSROOT{$key} = $cvsroot;
3.56      knu       421:     push @CVSROOT, $key;
                    422: }
                    423: undef @tmp;
                    424: undef @pair;
1.12      fenner    425:
3.1       knu       426: ## Default CVS-Tree
                    427: if (!defined($CVSROOT{$cvstreedefault})) {
                    428:    &fatal("500 Internal Error",
                    429:          "<code>\$cvstreedefault</code> points to a repository "
                    430:          . "not defined in <code>%CVSROOT</code> "
                    431:          . "(edit your configuration file $config)");
                    432: }
                    433:
                    434: # alternate CVS-Tree, configured in cvsweb.conf
                    435: if ($input{'cvsroot'} && $CVSROOT{$input{'cvsroot'}}) {
                    436:     $cvstree = $input{'cvsroot'};
                    437: } else {
                    438:     $cvstree = $cvstreedefault;
1.10      wosch     439: }
                    440:
3.1       knu       441: $cvsroot = $CVSROOT{$cvstree};
1.10      wosch     442:
3.1       knu       443: # create icons out of description
3.32      knu       444: my $k;
3.31      knu       445: foreach $k (keys %ICONS) {
3.1       knu       446:     no strict 'refs';
                    447:     my ($itxt,$ipath,$iwidth,$iheight) = @{$ICONS{$k}};
                    448:     if ($ipath) {
3.35      knu       449:        ${"${k}icon"} = sprintf('<IMG SRC="%s" ALT="%s" BORDER="0" WIDTH="%d" HEIGHT="%d">',
3.46      knu       450:                                hrefquote($ipath), htmlquote($itxt), $iwidth, $iheight)
1.16      wosch     451:     }
3.1       knu       452:     else {
3.3       knu       453:        ${"${k}icon"} = $itxt;
1.24      wosch     454:     }
                    455: }
3.31      knu       456: undef $k;
1.24      wosch     457:
3.27      knu       458: my $config_cvstree = "$config-$cvstree";
                    459:
3.1       knu       460: # Do some special configuration for cvstrees
3.27      knu       461: if (-f $config_cvstree) {
3.49      knu       462:    require $config_cvstree
3.27      knu       463:      || &fatal("500 Internal Error",
                    464:               sprintf('Error in loading configuration file: %s<BR><BR>%s<BR>',
                    465:                       $config_cvstree, &htmlify($@)));
                    466: }
3.31      knu       467: undef $config_cvstree;
3.1       knu       468:
3.54      knu       469: $re_prcategories = '(?:' . join('|', @prcategories) . ')' if @prcategories;
                    470: $re_prkeyword = quotemeta($prkeyword) if defined($prkeyword);
3.17      knu       471: $prcgi .= '%s' if defined($prcgi) && $prcgi !~ /%s/;
1.24      wosch     472:
3.54      knu       473: $fullname = "$cvsroot/$where";
3.1       knu       474: $mimetype = &getMimeTypeFromSuffix ($fullname);
                    475: $defaultTextPlain = ($mimetype eq "text/plain");
                    476: $defaultViewable = $allow_markup && viewable($mimetype);
                    477:
3.63      knu       478: my $rewrite = 0;
                    479:
                    480: if ($pathinfo =~ m|//|) {
                    481:     $pathinfo =~ y|/|/|s;
                    482:     $rewrite = 1;
                    483: }
                    484:
                    485: if (-d $fullname && $pathinfo !~ m|/$|) {
                    486:     $pathinfo .= '/';
                    487:     $rewrite = 1;
                    488: }
                    489:
                    490: if (!-d $fullname && $pathinfo =~ m|/$|) {
                    491:     chop $pathinfo;
                    492:     $rewrite = 1;
                    493: }
                    494:
                    495: if ($rewrite) {
                    496:     redirect($scriptname . urlencode($pathinfo) . $query);
3.1       knu       497: }
                    498:
3.63      knu       499: undef $rewrite;
                    500:
3.1       knu       501: if (!-d $cvsroot) {
                    502:     &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.');
                    503: }
                    504:
                    505: #
                    506: # See if the module is in our forbidden list.
                    507: #
                    508: $where =~ m:([^/]*):;
                    509: $module = $1;
                    510: if ($module && &forbidden_module($module)) {
                    511:     &fatal("403 Forbidden", "Access to $where forbidden.");
                    512: }
3.46      knu       513:
                    514: #
                    515: # Handle tarball downloads before any headers are output.
                    516: #
                    517: if ($input{tarball}) {
                    518:     &fatal("403 Forbidden", "Downloading tarballs is prohibited.")
                    519:       unless $allow_tar;
3.55      knu       520:     my($module) = ($where =~ m,^/?(.*),);      # untaint
                    521:     $module =~ s,/[^/]*$,,;
                    522:     my($basedir) = ($module =~ m,([^/]+)$,);
3.46      knu       523:
3.55      knu       524:     if ($basedir eq '' || $module eq '') {
3.46      knu       525:        &fatal("500 Internal Error", "You cannot download the top level directory.");
                    526:     }
                    527:
                    528:     my $tmpdir = "/tmp/.cvsweb.$$." . int(time);
                    529:
                    530:     mkdir($tmpdir, 0700)
                    531:       or &fatal("500 Internal Error", "Unable to make temporary directory: $!");
                    532:
                    533:     my $fatal = '';
                    534:
3.55      knu       535:     while (1) {
3.52      knu       536:        my $tag = (exists $input{only_with_tag} && length $input{only_with_tag})
                    537:          ? $input{only_with_tag} : "HEAD";
3.46      knu       538:
3.58      knu       539:        system $CMD{cvs}, @cvs_options, '-Qd', $cvsroot, 'export', '-r', $tag, '-d', "$tmpdir/$basedir", $module
3.55      knu       540:          and $fatal = "500 Internal Error","cvs co failure: $!: $module"
3.46      knu       541:            && last;
                    542:
                    543:        $| = 1; # Essential to get the buffering right.
                    544:
                    545:        print "Content-type: application/x-gzip\r\n\r\n";
                    546:
3.60      knu       547:        system "$CMD{tar} @tar_options -cf - -C $tmpdir $basedir | $CMD{gzip} @gzip_options -c"
3.46      knu       548:          and $fatal = "500 Internal Error","tar zc failure: $!: $basedir"
                    549:            && last;
                    550:
3.55      knu       551:        last;
                    552:     }
3.46      knu       553:
3.58      knu       554:     system $CMD{rm}, '-rf', $tmpdir if -d $tmpdir;
3.46      knu       555:
                    556:     &fatal($fatal) if $fatal;
                    557:
                    558:     exit;
                    559: }
                    560:
3.1       knu       561: ##############################
                    562: # View a directory
                    563: ###############################
3.46      knu       564: if (-d $fullname) {
3.1       knu       565:        my $dh = do {local(*DH);};
                    566:        opendir($dh, $fullname) || &fatal("404 Not Found","$where: $!");
                    567:        my @dir = readdir($dh);
                    568:        closedir($dh);
                    569:        my @subLevelFiles = findLastModifiedSubdirs(@dir)
                    570:            if ($show_subdir_lastmod);
                    571:        getDirLogs($cvsroot,$where,@subLevelFiles);
                    572:
                    573:        if ($where eq '/') {
3.3       knu       574:            html_header($defaulttitle);
3.2       knu       575:            $long_intro =~ s/!!CVSROOTdescr!!/$CVSROOTdescr{$cvstree}/g;
3.1       knu       576:            print $long_intro;
                    577:        }
                    578:        else {
3.3       knu       579:            html_header($where);
3.1       knu       580:            print $short_instruction;
                    581:        }
                    582:
                    583:        my $descriptions;
                    584:        if (($use_descriptions) && open (DESC, "<$cvsroot/CVSROOT/descriptions")) {
                    585:            while (<DESC>) {
                    586:                chomp;
                    587:                my ($dir,$description) = /(\S+)\s+(.*)/;
                    588:                $descriptions{$dir} = $description;
                    589:            }
                    590:        }
                    591:
                    592:        print "<P><a name=\"dirlist\"></a>\n";
                    593:        # give direct access to dirs
                    594:        if ($where eq '/') {
                    595:            chooseMirror();
                    596:            chooseCVSRoot();
                    597:        }
                    598:        else {
                    599:            print "<p>Current directory: <b>", &clickablePath($where,0), "</b>\n";
                    600:
                    601:            print "<P>Current tag: <B>", $input{only_with_tag}, "</b>\n" if
                    602:                $input{only_with_tag};
1.16      wosch     603:
1.1       jfieber   604:        }
3.12      knu       605:
3.1       knu       606:
                    607:        print "<HR NOSHADE>\n";
1.1       jfieber   608:        # Using <MENU> in this manner violates the HTML2.0 spec but
                    609:        # provides the results that I want in most browsers.  Another
                    610:        # case of layout spooging up HTML.
3.12      knu       611:
3.1       knu       612:        my $infocols = 0;
                    613:        if ($dirtable) {
                    614:            if (defined($tableBorderColor)) {
                    615:                # Can't this be done by defining the border for the inner table?
                    616:                print "<table border=0 cellpadding=0 width=\"100%\"><tr><td bgcolor=\"$tableBorderColor\">";
                    617:            }
                    618:            print "<table  width=\"100%\" border=0 cellspacing=1 cellpadding=$tablepadding>\n";
                    619:            $infocols++;
3.36      knu       620:            printf '<tr><th align=left bgcolor="%s">',
                    621:              $byfile ? $columnHeaderColorSorted : $columnHeaderColorDefault;
3.35      knu       622:            if ($byfile) {
                    623:                print 'File';
                    624:            } else {
                    625:                print &link('File', sprintf('./%s#dirlist',
                    626:                                            &toggleQuery("sortby", "file")));
                    627:            }
3.1       knu       628:            print "</th>";
                    629:            # do not display the other column-headers, if we do not have any files
                    630:            # with revision information:
                    631:            if (scalar(%fileinfo)) {
                    632:                $infocols++;
3.36      knu       633:                printf '<th align=left bgcolor="%s">',
                    634:                  $byrev ? $columnHeaderColorSorted : $columnHeaderColorDefault;
3.35      knu       635:                if ($byrev) {
                    636:                    print 'Rev.';
                    637:                } else {
                    638:                    print &link('Rev.', sprintf('./%s#dirlist',
                    639:                                                &toggleQuery("sortby", "rev")));
                    640:                }
3.1       knu       641:                print "</th>";
                    642:                $infocols++;
3.36      knu       643:                printf '<th align=left bgcolor="%s">',
                    644:                  $bydate ? $columnHeaderColorSorted : $columnHeaderColorDefault;
3.35      knu       645:                if ($bydate) {
                    646:                    print 'Age';
                    647:                } else {
                    648:                    print &link('Age', sprintf('./%s#dirlist',
3.36      knu       649:                                               &toggleQuery("sortby", "date")));
3.35      knu       650:                }
3.1       knu       651:                print "</th>";
                    652:                if ($show_author) {
                    653:                    $infocols++;
3.36      knu       654:                    printf '<th align=left bgcolor="%s">',
                    655:                      $byauthor ? $columnHeaderColorSorted : $columnHeaderColorDefault;
3.35      knu       656:                    if ($byauthor) {
                    657:                        print 'Author';
                    658:                    } else {
                    659:                        print &link('Author', sprintf('./%s#dirlist',
                    660:                                                      &toggleQuery("sortby", "author")));
                    661:                    }
3.1       knu       662:                    print "</th>";
                    663:                }
                    664:                $infocols++;
3.36      knu       665:                printf '<th align=left bgcolor="%s">',
                    666:                  $bylog ? $columnHeaderColorSorted : $columnHeaderColorDefault;
3.35      knu       667:                if ($bylog) {
                    668:                    print 'Last log entry';
                    669:                } else {
                    670:                    print &link('Last log entry', sprintf('./%s#dirlist',
3.36      knu       671:                                                          &toggleQuery("sortby", "log")));
3.35      knu       672:                }
3.1       knu       673:                print "</th>";
                    674:            }
                    675:            elsif ($use_descriptions) {
3.36      knu       676:                printf '<th align=left bgcolor="%s">', $columnHeaderColorDefault;
3.1       knu       677:                print "Description";
                    678:                $infocols++;
                    679:            }
                    680:            print "</tr>\n";
                    681:        }
                    682:        else {
                    683:            print "<menu>\n";
                    684:        }
                    685:        my $dirrow = 0;
3.12      knu       686:
3.1       knu       687:        my $i;
1.9       fenner    688:        lookingforattic:
                    689:        for ($i = 0; $i <= $#dir; $i++) {
                    690:                if ($dir[$i] eq "Attic") {
3.1       knu       691:                    last lookingforattic;
1.9       fenner    692:                }
                    693:        }
3.1       knu       694:        if (!$input{'hideattic'} && ($i <= $#dir) &&
                    695:            opendir($dh, $fullname . "/Attic")) {
                    696:            splice(@dir, $i, 1,
                    697:                        grep((s|^|Attic/|,!m|/\.|), readdir($dh)));
                    698:            closedir($dh);
1.9       fenner    699:        }
3.1       knu       700:
3.35      knu       701:        my $hideAtticToggleLink = $input{'hideattic'} ? '' :
                    702:          &link('[Hide]', sprintf('./%s#dirlist',
                    703:                                  &toggleQuery ("hideattic")));
3.1       knu       704:
1.9       fenner    705:        # Sort without the Attic/ pathname.
3.1       knu       706:        # place directories first
                    707:
                    708:        my $attic;
                    709:        my $url;
                    710:        my $fileurl;
                    711:        my $filesexists;
                    712:        my $filesfound;
                    713:
                    714:        foreach (sort { &fileSortCmp } @dir) {
1.1       jfieber   715:            if ($_ eq '.') {
                    716:                next;
                    717:            }
1.19      wosch     718:            # ignore CVS lock and stale NFS files
3.1       knu       719:            next if (/^#cvs\.|^,|^\.nfs/);
                    720:
                    721:            # Check whether to show the CVSROOT path
                    722:            next if ($input{'hidecvsroot'} && ($_ eq 'CVSROOT'));
                    723:
                    724:            # Check whether the module is in the restricted list
                    725:            next if ($_ && &forbidden_module($_));
                    726:
                    727:            # Ignore non-readable files
                    728:            next if ($input{'hidenonreadable'} && !(-r "$fullname/$_"));
1.18      wosch     729:
1.9       fenner    730:            if (s|^Attic/||) {
3.1       knu       731:                $attic  = " (in the Attic)&nbsp;" . $hideAtticToggleLink;
                    732:            }
                    733:            else {
1.9       fenner    734:                $attic = "";
                    735:            }
3.1       knu       736:
                    737:            if ($_ eq '..' || -d "$fullname/$_") {
                    738:                next if ($_ eq '..' && $where eq '/');
3.64      knu       739:                my ($rev,$date,$log,$author,$filename);
                    740:                ($rev,$date,$log,$author,$filename) = @{$fileinfo{$_}}
3.1       knu       741:                    if (defined($fileinfo{$_}));
3.36      knu       742:                printf '<tr bgcolor="%s"><td>', $tabcolors[$dirrow % 2] if $dirtable;
3.1       knu       743:                if ($_ eq '..') {
3.36      knu       744:                    $url = "../$query";
3.1       knu       745:                    if ($nofilelinks) {
                    746:                        print $backicon;
                    747:                    }
                    748:                    else {
3.35      knu       749:                        print &link($backicon, $url);
3.1       knu       750:                    }
3.35      knu       751:                    print " ", &link("Previous Directory", $url);
3.1       knu       752:                }
                    753:                else {
3.36      knu       754:                    $url = urlencode($_) . "/$query";
3.1       knu       755:                    print "<A NAME=\"$_\"></A>";
                    756:                    if ($nofilelinks) {
                    757:                        print $diricon;
                    758:                    }
                    759:                    else {
3.35      knu       760:                        print &link($diricon, $url);
3.1       knu       761:                    }
3.35      knu       762:                    print " ", &link("$_/", $url), $attic;
3.1       knu       763:                    if ($_ eq "Attic") {
3.35      knu       764:                        print "&nbsp; ";
                    765:                        print &link("[Don't hide]", sprintf('./%s#dirlist',
                    766:                                                            &toggleQuery ("hideattic")));
3.1       knu       767:                    }
3.12      knu       768:                }
3.1       knu       769:                # Show last change in dir
                    770:                if ($filename) {
                    771:                    print "</td><td>&nbsp;</td><td>&nbsp;" if ($dirtable);
                    772:                    if ($date) {
3.36      knu       773:                        print " <i>", readableTime(time() - $date,0), "</i>";
3.1       knu       774:                    }
                    775:                    if ($show_author) {
                    776:                        print "</td><td>&nbsp;" if ($dirtable);
                    777:                        print $author;
                    778:                    }
                    779:                    print "</td><td>&nbsp;" if ($dirtable);
                    780:                    $filename =~ s%^[^/]+/%%;
                    781:                    print "$filename/$rev";
                    782:                    print "<BR>" if ($dirtable);
                    783:                    if ($log) {
3.36      knu       784:                        print "&nbsp;<font size=-1>",
                    785:                          &htmlify(substr($log,0,$shortLogLen));
3.1       knu       786:                        if (length $log > 80) {
                    787:                            print "...";
                    788:                        }
                    789:                        print "</font>";
                    790:                    }
                    791:                }
                    792:                else {
                    793:                    my ($dwhere) = ($where ne "/" ? $where : "") . $_;
                    794:                    if ($use_descriptions && defined $descriptions{$dwhere}) {
3.36      knu       795:                        print "<TD COLSPAN=", ($infocols-1), ">&nbsp;" if $dirtable;
3.1       knu       796:                        print $descriptions{$dwhere};
                    797:                    } elsif ($dirtable && $infocols > 1) {
                    798:                        # close the row with the appropriate number of
                    799:                        # columns, so that the vertical seperators are visible
                    800:                        my($cols) = $infocols;
                    801:                        while ($cols > 1) {
                    802:                            print "</td><td>&nbsp;";
                    803:                            $cols--;
                    804:                        }
                    805:                    }
                    806:                }
                    807:                if ($dirtable) {
                    808:                    print "</td></tr>\n";
                    809:                }
                    810:                else {
                    811:                    print "<br>\n";
                    812:                }
                    813:                $dirrow++;
1.9       fenner    814:            }
3.1       knu       815:            elsif (s/,v$//) {
                    816:                $fileurl = ($attic ? "Attic/" : "") . urlencode($_);
                    817:                $url = $fileurl . $query;
                    818:                my $rev = '';
                    819:                my $date = '';
                    820:                my $log = '';
                    821:                my $author = '';
                    822:                $filesexists++;
                    823:                next if (!defined($fileinfo{$_}));
                    824:                ($rev,$date,$log,$author) = @{$fileinfo{$_}};
                    825:                $filesfound++;
3.36      knu       826:                printf '<tr bgcolor="%s"><td>', $tabcolors[$dirrow % 2] if $dirtable;
3.1       knu       827:                print "<A NAME=\"$_\"></A>";
                    828:                if ($nofilelinks) {
                    829:                    print $fileicon;
                    830:                }
                    831:                else {
                    832:                    print &link($fileicon,$url);
                    833:                }
                    834:                print " ", &link($_, $url), $attic;
                    835:                print "</td><td>&nbsp;" if ($dirtable);
                    836:                download_link($fileurl,
3.35      knu       837:                              $rev, $rev,
                    838:                              $defaultViewable ? "text/x-cvsweb-markup" : undef);
3.1       knu       839:                print "</td><td>&nbsp;" if ($dirtable);
                    840:                if ($date) {
3.36      knu       841:                    print " <i>", readableTime(time() - $date,0), "</i>";
3.1       knu       842:                }
                    843:                if ($show_author) {
                    844:                    print "</td><td>&nbsp;" if ($dirtable);
                    845:                    print $author;
                    846:                }
                    847:                print "</td><td>&nbsp;" if ($dirtable);
                    848:                if ($log) {
3.36      knu       849:                    print " <font size=-1>", &htmlify(substr($log,0,$shortLogLen));
3.1       knu       850:                    if (length $log > 80) {
                    851:                        print "...";
                    852:                    }
                    853:                    print "</font>";
                    854:                }
                    855:                print "</td>" if ($dirtable);
                    856:                print (($dirtable) ? "</tr>" : "<br>");
                    857:                $dirrow++;
                    858:            }
                    859:            print "\n";
                    860:        }
                    861:        if ($dirtable && defined($tableBorderColor)) {
                    862:            print "</td></tr></table>";
                    863:        }
3.36      knu       864:        print( $dirtable == 1 ? "</table>\n" : "</menu>\n" );
3.12      knu       865:
3.1       knu       866:        if ($filesexists && !$filesfound) {
                    867:            print "<P><B>NOTE:</B> There are $filesexists files, but none matches the current tag ($input{only_with_tag})\n";
                    868:        }
                    869:        if ($input{only_with_tag} && (!%tags || !$tags{$input{only_with_tag}})) {
                    870:            %tags = %alltags
                    871:        }
3.12      knu       872:        if (scalar %tags
                    873:            || $input{only_with_tag}
3.1       knu       874:            || $edit_option_form
                    875:            || defined($input{"options"})) {
                    876:            print "<hr size=1 NOSHADE>";
                    877:        }
                    878:
                    879:        if (scalar %tags || $input{only_with_tag}) {
                    880:            print "<FORM METHOD=\"GET\" ACTION=\"./\">\n";
                    881:            foreach my $var (@stickyvars) {
                    882:                print "<INPUT TYPE=HIDDEN NAME=\"$var\" VALUE=\"$input{$var}\">\n"
                    883:                    if (defined($input{$var})
3.23      knu       884:                        && (!defined($DEFAULTVALUE{$var})
                    885:                            || $input{$var} ne $DEFAULTVALUE{$var})
3.1       knu       886:                        && $input{$var} ne ""
                    887:                        && $var ne "only_with_tag");
                    888:            }
                    889:            print "Show only files with tag:\n";
                    890:            print "<SELECT NAME=only_with_tag";
                    891:            print " onchange=\"submit()\"" if ($use_java_script);
                    892:            print ">";
                    893:            print "<OPTION VALUE=\"\">All tags / default branch\n";
                    894:            foreach my $tag (reverse sort { lc $a cmp lc $b } keys %tags) {
3.12      knu       895:                print "<OPTION",defined($input{only_with_tag}) &&
3.13      knu       896:                       $input{only_with_tag} eq $tag ? " SELECTED" : "",
3.1       knu       897:                       ">$tag\n";
                    898:            }
                    899:            print "</SELECT>\n";
3.57      knu       900:            print " Module path or alias:\n";
                    901:            printf "<INPUT TYPE=TEXT NAME=\"path\" VALUE=\"%s\" SIZE=15>\n", htmlquote($where);
3.1       knu       902:            print "<INPUT TYPE=SUBMIT VALUE=\"Go\">\n";
1.9       fenner    903:            print "</FORM>\n";
                    904:        }
3.46      knu       905:
                    906:        if ($allow_tar) {
                    907:            my($basefile) = ($where =~ m,(?:.*/)?([^/]+),);
                    908:
3.56      knu       909:            if (defined($basefile) && $basefile ne '') {
3.46      knu       910:                print "<HR NOSHADE>\n",
                    911:                  "<DIV align=center>",
                    912:                    &link("Download this directory in tarball",
                    913:                          # Mangle the filename so browsers show a reasonable
                    914:                          # filename to download.
                    915:                          "$basefile.tar.gz$query".
                    916:                          ($query ? "&" : "?")."tarball=1"),
                    917:                            "</DIV>";
                    918:            }
                    919:        }
                    920:
3.1       knu       921:        my $formwhere = $scriptwhere;
                    922:        $formwhere =~ s|Attic/?$|| if ($input{'hideattic'});
                    923:
                    924:        if ($edit_option_form || defined($input{"options"})) {
                    925:            print "<FORM METHOD=\"GET\" ACTION=\"${formwhere}\">\n";
                    926:            print "<INPUT TYPE=HIDDEN NAME=\"copt\" VALUE=\"1\">\n";
                    927:            if ($cvstree ne $cvstreedefault) {
                    928:                print "<INPUT TYPE=HIDDEN NAME=\"cvsroot\" VALUE=\"$cvstree\">\n";
                    929:            }
                    930:            print "<center><table cellpadding=0 cellspacing=0>";
                    931:            print "<tr bgcolor=\"$columnHeaderColorDefault\"><th colspan=2>Preferences</th></tr>";
                    932:            print "<tr><td>Sort files by <SELECT name=\"sortby\">";
                    933:            print "<OPTION VALUE=\"\">File";
                    934:            print "<OPTION",$bydate ? " SELECTED" : ""," VALUE=date>Age";
                    935:            print "<OPTION",$byauthor ? " SELECTED" : ""," VALUE=author>Author"
                    936:                if ($show_author);
                    937:            print "<OPTION",$byrev ? " SELECTED" : ""," VALUE=rev>Revision";
                    938:            print "<OPTION",$bylog ? " SELECTED" : ""," VALUE=log>Log message";
                    939:            print "</SELECT></td>";
3.37      knu       940:            print "<td>Sort log by: ";
                    941:            printLogSortSelect(0);
                    942:            print "</td></tr>";
3.1       knu       943:            print "<tr><td>Diff format: ";
3.12      knu       944:            printDiffSelect(0);
3.1       knu       945:            print "</td>";
                    946:            print "<td>Show Attic files: ";
3.13      knu       947:            print "<INPUT NAME=hideattic TYPE=CHECKBOX", $input{'hideattic'} ? " CHECKED" : "",
3.1       knu       948:            "></td></tr>\n";
                    949:            print "<tr><td align=center colspan=2><input type=submit value=\"Change Options\">";
                    950:            print "</td></tr></table></center></FORM>\n";
1.12      fenner    951:        }
1.2       jfieber   952:        print &html_footer;
1.1       jfieber   953:        print "</BODY></HTML>\n";
3.12      knu       954:     }
3.1       knu       955:
                    956: ###############################
                    957: # View Files
                    958: ###############################
                    959:     elsif (-f $fullname . ',v') {
                    960:        if (defined($input{'rev'}) || $doCheckout) {
                    961:            &doCheckout($fullname, $input{'rev'});
3.25      knu       962:            gzipclose();
3.1       knu       963:            exit;
                    964:        }
                    965:        if (defined($input{'annotate'}) && $allow_annotate) {
                    966:            &doAnnotate($input{'annotate'});
3.25      knu       967:            gzipclose();
3.1       knu       968:            exit;
                    969:        }
                    970:        if (defined($input{'r1'}) && defined($input{'r2'})) {
                    971:            &doDiff($fullname, $input{'r1'}, $input{'tr1'},
                    972:                    $input{'r2'}, $input{'tr2'}, $input{'f'});
3.25      knu       973:            gzipclose();
3.1       knu       974:            exit;
                    975:        }
                    976:        print("going to dolog($fullname)\n") if ($verbose);
                    977:        &doLog($fullname);
                    978: ##############################
                    979: # View Diff
                    980: ##############################
                    981:     }
                    982:     elsif ($fullname =~ s/\.diff$// && -f $fullname . ",v" &&
                    983:           $input{'r1'} && $input{'r2'}) {
                    984:
                    985:        # $where-diff-removal if 'cvs rdiff' is used
                    986:        # .. but 'cvs rdiff'doesn't support some options
                    987:        # rcsdiff does (-w and -p), so it is disabled
                    988:        # $where =~ s/\.diff$//;
                    989:
1.12      fenner    990:        # Allow diffs using the ".diff" extension
                    991:        # so that browsers that default to the URL
                    992:        # for a save filename don't save diff's as
                    993:        # e.g. foo.c
3.1       knu       994:        &doDiff($fullname, $input{'r1'}, $input{'tr1'},
1.12      fenner    995:                $input{'r2'}, $input{'tr2'}, $input{'f'});
3.25      knu       996:        gzipclose();
1.12      fenner    997:        exit;
3.1       knu       998:     }
                    999:     elsif (($newname = $fullname) =~ s|/([^/]+)$|/Attic/$1| &&
                   1000:           -f $newname . ",v") {
1.12      fenner   1001:        # The file has been removed and is in the Attic.
                   1002:        # Send a redirect pointing to the file in the Attic.
3.1       knu      1003:        (my $newplace = $scriptwhere) =~ s|/([^/]+)$|/Attic/$1|;
3.57      knu      1004:        redirect("$newplace$query");
1.12      fenner   1005:        exit;
3.1       knu      1006:     }
                   1007:     elsif (0 && (my @files = &safeglob($fullname . ",v"))) {
                   1008:        http_header("text/plain");
1.12      fenner   1009:        print "You matched the following files:\n";
                   1010:        print join("\n", @files);
                   1011:        # Find the tags from each file
                   1012:        # Display a form offering diffs between said tags
3.1       knu      1013:     }
                   1014:     else {
                   1015:        my $fh = do {local(*FH);};
                   1016:        my ($xtra, $module);
1.12      fenner   1017:        # Assume it's a module name with a potential path following it.
3.44      knu      1018:        $xtra = (($module = $where) =~ s|/.*||) ? $& : '';
1.12      fenner   1019:        # Is there an indexed version of modules?
3.60      knu      1020:        if (open($fh, "< $cvsroot/CVSROOT/modules")) {
3.1       knu      1021:            while (<$fh>) {
                   1022:                if (/^(\S+)\s+(\S+)/o && $module eq $1
3.44      knu      1023:                    && -d "$cvsroot/$2" && $module ne $2) {
3.57      knu      1024:                    redirect("$scriptname/$2$xtra$query");
1.12      fenner   1025:                }
3.1       knu      1026:            }
1.12      fenner   1027:        }
                   1028:        &fatal("404 Not Found","$where: no such file or directory");
3.1       knu      1029:     }
3.23      knu      1030:
3.25      knu      1031: gzipclose();
3.1       knu      1032: ## End MAIN
                   1033:
3.12      knu      1034: sub printDiffSelect($) {
3.1       knu      1035:     my ($use_java_script) = @_;
3.37      knu      1036:     my $f = $input{'f'};
                   1037:
                   1038:     print '<SELECT NAME="f"';
                   1039:     print ' onchange="submit()"' if $use_java_script;
                   1040:     print '>';
                   1041:
                   1042:     local $_;
                   1043:     for (@DIFFTYPES) {
                   1044:        printf('<OPTION VALUE="%s"%s>%s',
                   1045:               $_,
                   1046:               $f eq $_ ? ' SELECTED' : '',
                   1047:               "\u$DIFFTYPES{$_}{'descr'}"
                   1048:              );
                   1049:     }
                   1050:
                   1051:     print "</SELECT>";
                   1052: }
                   1053:
                   1054: sub printLogSortSelect($) {
                   1055:     my ($use_java_script) = @_;
                   1056:
                   1057:     print '<SELECT NAME="logsort"';
                   1058:     print ' onchange="submit()"' if $use_java_script;
                   1059:     print '>';
                   1060:
                   1061:     local $_;
                   1062:     for (@LOGSORTKEYS) {
                   1063:        printf('<OPTION VALUE="%s"%s>%s',
                   1064:               $_,
                   1065:               $logsort eq $_ ? ' SELECTED' : '',
                   1066:               "\u$LOGSORTKEYS{$_}{'descr'}"
                   1067:              );
                   1068:     }
                   1069:
3.1       knu      1070:     print "</SELECT>";
                   1071: }
                   1072:
3.12      knu      1073: sub findLastModifiedSubdirs(@) {
3.1       knu      1074:     my (@dirs) = @_;
                   1075:     my ($dirname, @files);
                   1076:
                   1077:     foreach $dirname (@dirs) {
                   1078:        next if ($dirname eq ".");
                   1079:        next if ($dirname eq "..");
                   1080:        my ($dir) = "$fullname/$dirname";
                   1081:        next if (!-d $dir);
                   1082:
                   1083:        my ($lastmod) = undef;
                   1084:        my ($lastmodtime) = undef;
                   1085:        my $dh = do {local(*DH);};
                   1086:
                   1087:        opendir($dh,$dir) || next;
                   1088:        my (@filenames) = readdir($dh);
                   1089:        closedir($dh);
                   1090:
                   1091:        foreach my $filename (@filenames) {
                   1092:            $filename = "$dirname/$filename";
                   1093:            my ($file) = "$fullname/$filename";
                   1094:            next if ($filename !~ /,v$/ || !-f $file);
                   1095:            $filename =~ s/,v$//;
                   1096:            my $modtime = -M $file;
                   1097:            if (!defined($lastmod) || $modtime < $lastmodtime) {
                   1098:                $lastmod = $filename;
                   1099:                $lastmodtime = $modtime;
                   1100:            }
                   1101:        }
                   1102:        push(@files, $lastmod) if (defined($lastmod));
                   1103:     }
                   1104:     return @files;
1.12      fenner   1105: }
                   1106:
3.36      knu      1107: sub htmlify_sub(&$) {
                   1108:     (my $proc, local $_) = @_;
                   1109:     local @_ = split(m`(<a [^>]+>[^<]*</a>)`i);
3.39      knu      1110:     my $linked;
                   1111:     my $result = '';
3.36      knu      1112:
                   1113:     while (($_, $linked) = splice(@_, 0, 2)) {
                   1114:        &$proc();
3.39      knu      1115:        $result .= $_ if defined($_);
                   1116:        $result .= $linked if defined($linked);
3.36      knu      1117:     }
1.12      fenner   1118:
3.36      knu      1119:     $result;
                   1120: }
1.12      fenner   1121:
3.36      knu      1122: sub htmlify($;$) {
                   1123:     (local $_, my $extra) = @_;
3.1       knu      1124:
3.36      knu      1125:     $_ = htmlquote($_);
3.17      knu      1126:
3.36      knu      1127:     # get URL's as link
                   1128:     s{
                   1129:       (http|ftp|https)://\S+
                   1130:      }{
                   1131:         &link($&, htmlunquote($&))
                   1132:      }egx;
                   1133:
                   1134:     # get e-mails as link
                   1135:     $_ = htmlify_sub {
                   1136:        s<
                   1137:          [\w+=\-.!]+@[\w\-]+(\.[\w\-]+)+
                   1138:            ><
                   1139:              &link($&, "mailto:$&")
                   1140:                >egix;
                   1141:     } $_;
                   1142:
                   1143:     if ($extra) {
                   1144:        # get PR #'s as link: "PR#nnnn" "PR: nnnn, ..." "PR nnnn, ..." "bin/nnnn"
3.54      knu      1145:        if (defined($prcgi) && defined($re_prcategories) && defined($re_prkeyword)) {
3.36      knu      1146:            my $prev;
                   1147:
                   1148:            do {
                   1149:                $prev = $_;
                   1150:
                   1151:                $_ = htmlify_sub {
                   1152:                    s{
3.54      knu      1153:                      (\b$re_prkeyword[:\#]?\s*
3.36      knu      1154:                       (?:
                   1155:                        \#?
                   1156:                        \d+[,\s]\s*
                   1157:                       )*
                   1158:                       \#?)
                   1159:                      (\d+)\b
                   1160:                     }{
3.42      knu      1161:                         $1 . &link($2, sprintf($prcgi, $2))
3.36      knu      1162:                     }egix;
                   1163:                } $_;
                   1164:            } while ($_ ne $prev);
                   1165:
                   1166:            $_ = htmlify_sub {
                   1167:                s{
3.54      knu      1168:                  (\b$re_prcategories/(\d+)\b)
3.36      knu      1169:                 }{
3.42      knu      1170:                     &link($1, sprintf($prcgi, $2))
3.36      knu      1171:                 }egox;
                   1172:            } $_;
                   1173:        }
                   1174:
                   1175:        # get manpage specs as link: "foo.1" "foo(1)"
                   1176:        if (defined($mancgi)) {
                   1177:            $_ = htmlify_sub {
                   1178:                s{
3.53      knu      1179:                  (\b([a-zA-Z][\w.]+)
3.36      knu      1180:                   (?:
                   1181:                    \( ([0-9n]) \)\B
                   1182:                    |
                   1183:                    \.([0-9n])\b
                   1184:                   )
                   1185:                  )
                   1186:                 }{
3.53      knu      1187:                     &link($1, sprintf($mancgi, defined($3) ? $3 : $4, $2))
3.36      knu      1188:                 }egx;
                   1189:            } $_;
3.1       knu      1190:        }
3.36      knu      1191:     }
3.1       knu      1192:
3.36      knu      1193:     $_;
3.1       knu      1194: }
                   1195:
3.20      knu      1196: sub spacedHtmlText($;$) {
3.12      knu      1197:        local $_ = $_[0];
3.20      knu      1198:        my $ts = $_[1] || $tabstop;
3.1       knu      1199:
3.20      knu      1200:        # Cut trailing spaces and tabs
                   1201:        s/[ \t]+$//;
3.1       knu      1202:
3.22      knu      1203:         if (defined($ts)) {
3.20      knu      1204:            # Expand tabs
                   1205:            1 while s/\t+/' ' x (length($&) * $ts - length($`) % $ts)/e
                   1206:        }
3.1       knu      1207:
                   1208:        # replace <tab> and <space> (\001 is to protect us from htmlify)
                   1209:        # gzip can make excellent use of this repeating pattern :-)
                   1210:        if ($hr_breakable) {
                   1211:            # make every other space 'breakable'
3.12      knu      1212:            s/  / \001nbsp;/g;                              # 2 * <space>
3.1       knu      1213:            # leave single space as it is
3.20      knu      1214:        } else {
3.12      knu      1215:            s/ /\001nbsp;/g;
1.12      fenner   1216:        }
                   1217:
3.12      knu      1218:        $_ = htmlify($_);
3.1       knu      1219:
                   1220:        # unescape
3.20      knu      1221:        y/\001/&/;
3.1       knu      1222:
3.12      knu      1223:        return $_;
1.12      fenner   1224: }
                   1225:
3.12      knu      1226: sub link($$) {
3.63      knu      1227:        my($name, $url) = @_;
1.12      fenner   1228:
3.63      knu      1229:        sprintf '<A HREF="%s">%s</A>', hrefquote($url), $name;
1.12      fenner   1230: }
                   1231:
3.12      knu      1232: sub revcmp($$) {
3.1       knu      1233:        my($rev1, $rev2) = @_;
3.15      knu      1234:
                   1235:        # make no comparison for a tag or a branch
                   1236:        return 0 if $rev1 =~ /[^\d.]/ || $rev2 =~ /[^\d.]/;
                   1237:
3.1       knu      1238:        my(@r1) = split(/\./, $rev1);
                   1239:        my(@r2) = split(/\./, $rev2);
                   1240:        my($a,$b);
1.12      fenner   1241:
                   1242:        while (($a = shift(@r1)) && ($b = shift(@r2))) {
                   1243:            if ($a != $b) {
                   1244:                return $a <=> $b;
                   1245:            }
                   1246:        }
                   1247:        if (@r1) { return 1; }
                   1248:        if (@r2) { return -1; }
                   1249:        return 0;
                   1250: }
                   1251:
3.12      knu      1252: sub fatal($$) {
3.1       knu      1253:        my($errcode, $errmsg) = @_;
3.3       knu      1254:        if ($is_mod_perl) {
3.1       knu      1255:                Apache->request->status((split(/ /, $errcode))[0]);
                   1256:        }
                   1257:        else {
3.4       knu      1258:                print "Status: $errcode\r\n";
3.1       knu      1259:        }
                   1260:        html_header("Error");
1.12      fenner   1261:        print "Error: $errmsg\n";
                   1262:        print &html_footer;
                   1263:        exit(1);
                   1264: }
                   1265:
3.12      knu      1266: sub redirect($) {
3.1       knu      1267:        my($url) = @_;
3.3       knu      1268:        if ($is_mod_perl) {
3.1       knu      1269:                Apache->request->status(301);
                   1270:                Apache->request->header_out(Location => $url);
                   1271:        }
                   1272:        else {
3.4       knu      1273:                print "Status: 301 Moved\r\n";
                   1274:                print "Location: $url\r\n";
3.1       knu      1275:        }
                   1276:        html_header("Moved");
3.35      knu      1277:        print "This document is located ", &link('here', $url), "\n";
1.12      fenner   1278:        print &html_footer;
                   1279:        exit(1);
                   1280: }
                   1281:
3.12      knu      1282: sub safeglob($) {
3.1       knu      1283:        my ($filename) = @_;
                   1284:        my ($dirname);
                   1285:        my (@results);
                   1286:        my $dh = do {local(*DH);};
1.12      fenner   1287:
                   1288:        ($dirname = $filename) =~ s|/[^/]+$||;
                   1289:        $filename =~ s|.*/||;
                   1290:
3.1       knu      1291:        if (opendir($dh, $dirname)) {
                   1292:                my $glob = $filename;
                   1293:                my $t;
1.12      fenner   1294:        #       transform filename from glob to regex.  Deal with:
                   1295:        #       [, {, ?, * as glob chars
                   1296:        #       make sure to escape all other regex chars
                   1297:                $glob =~ s/([\.\(\)\|\+])/\\$1/g;
                   1298:                $glob =~ s/\*/.*/g;
                   1299:                $glob =~ s/\?/./g;
                   1300:                $glob =~ s/{([^}]+)}/($t = $1) =~ s-,-|-g; "($t)"/eg;
3.1       knu      1301:                foreach (readdir($dh)) {
1.12      fenner   1302:                        if (/^${glob}$/) {
3.36      knu      1303:                                push(@results, "$dirname/" .$_);
1.12      fenner   1304:                        }
                   1305:                }
                   1306:        }
                   1307:
                   1308:        @results;
                   1309: }
                   1310:
3.58      knu      1311: sub search_path($) {
                   1312:     my($command) = @_;
                   1313:     my $d;
                   1314:
                   1315:     for $d (split(/:/, $command_path)) {
                   1316:        return "$d/$command" if -x "$d/$command";
                   1317:     }
                   1318:
                   1319:     $command;
                   1320: }
                   1321:
3.12      knu      1322: sub getMimeTypeFromSuffix($) {
3.1       knu      1323:     my ($fullname) = @_;
                   1324:     my ($mimetype, $suffix);
                   1325:     my $fh = do {local(*FH);};
                   1326:
                   1327:     ($suffix = $fullname) =~ s/^.*\.([^.]*)$/$1/;
                   1328:     $mimetype = $MTYPES{$suffix};
                   1329:     $mimetype = $MTYPES{'*'} if (!$mimetype);
3.12      knu      1330:
3.1       knu      1331:     if (!$mimetype && -f $mime_types) {
                   1332:        # okey, this is something special - search the
                   1333:        # mime.types database
                   1334:        open ($fh, "<$mime_types");
                   1335:        while (<$fh>) {
                   1336:            if ($_ =~ /^\s*(\S+\/\S+).*\b$suffix\b/) {
                   1337:                $mimetype = $1;
                   1338:                last;
                   1339:            }
                   1340:        }
                   1341:        close ($fh);
                   1342:     }
3.12      knu      1343:
3.1       knu      1344: # okey, didn't find anything useful ..
                   1345:     if (!($mimetype =~ /\S\/\S/)) {
                   1346:        $mimetype = "text/plain";
                   1347:     }
                   1348:     return $mimetype;
                   1349: }
                   1350:
                   1351: ###############################
3.24      knu      1352: # read first lines like head(1)
                   1353: ###############################
                   1354: sub head($;$) {
                   1355:     my $fh = $_[0];
                   1356:     my $linecount = $_[1] || 10;
                   1357:
                   1358:     my @buf;
                   1359:
                   1360:     if ($linecount > 0) {
                   1361:        my $i;
                   1362:        for ($i = 0; !eof($fh) && $i < $linecount; $i++) {
                   1363:            push @buf, scalar <$fh>;
                   1364:        }
                   1365:     } else {
                   1366:        @buf = <$fh>;
                   1367:     }
                   1368:
                   1369:     @buf;
                   1370: }
                   1371:
                   1372: ###############################
                   1373: # scan vim and Emacs directives
                   1374: ###############################
                   1375: sub scan_directives(@) {
                   1376:     my $ts = undef;
                   1377:
                   1378:     for (@_) {
                   1379:        $ts = $1 if /\b(?:ts|tabstop|tab-width)[:=]\s*([1-9]\d*)\b/;
                   1380:     }
                   1381:
                   1382:     ('tabstop' => $ts);
                   1383: }
                   1384:
                   1385: ###############################
3.1       knu      1386: # show Annotation
                   1387: ###############################
3.12      knu      1388: sub doAnnotate($$) {
3.1       knu      1389:     my ($rev) = @_;
                   1390:     my ($pid);
                   1391:     my ($pathname, $filename);
                   1392:     my $reader = do {local(*FH);};
                   1393:     my $writer = do {local(*FH);};
                   1394:
3.62      knu      1395:     # make sure the revisions are wellformed, for security
3.1       knu      1396:     # reasons ..
3.15      knu      1397:     if ($rev =~ /[^\w.]/) {
3.1       knu      1398:        &fatal("404 Not Found",
3.3       knu      1399:                "Malformed query \"$ENV{QUERY_STRING}\"");
3.1       knu      1400:     }
1.12      fenner   1401:
3.1       knu      1402:     ($pathname = $where) =~ s/(Attic\/)?[^\/]*$//;
                   1403:     ($filename = $where) =~ s/^.*\///;
                   1404:
                   1405:     # this seems to be necessary
                   1406:     $| = 1; $| = 0; # Flush
                   1407:
                   1408:     # this annotate version is based on the
                   1409:     # cvs annotate-demo Perl script by Cyclic Software
                   1410:     # It was written by Cyclic Software, http://www.cyclic.com/, and is in
                   1411:     # the public domain.
                   1412:     # we could abandon the use of rlog, rcsdiff and co using
                   1413:     # the cvsserver in a similiar way one day (..after rewrite)
3.65      knu      1414:     $pid = open2($reader, $writer, $CMD{cvs}, @cvs_options, "server")
3.55      knu      1415:       || fatal ("500 Internal Error", "Fatal Error - unable to open cvs for annotation");
3.12      knu      1416:
3.1       knu      1417:     # OK, first send the request to the server.  A simplified example is:
                   1418:     #     Root /home/kingdon/zwork/cvsroot
                   1419:     #     Argument foo/xx
                   1420:     #     Directory foo
                   1421:     #     /home/kingdon/zwork/cvsroot/foo
                   1422:     #     Directory .
                   1423:     #     /home/kingdon/zwork/cvsroot
                   1424:     #     annotate
                   1425:     # although as you can see there are a few more details.
3.12      knu      1426:
3.1       knu      1427:     print $writer "Root $cvsroot\n";
                   1428:     print $writer "Valid-responses ok error Valid-requests Checked-in Updated Merged Removed M E\n";
                   1429:     # Don't worry about sending valid-requests, the server just needs to
                   1430:     # support "annotate" and if it doesn't, there isn't anything to be done.
                   1431:     print $writer "UseUnchanged\n";
                   1432:     print $writer "Argument -r\n";
                   1433:     print $writer "Argument $rev\n";
                   1434:     print $writer "Argument $where\n";
                   1435:
                   1436:     # The protocol requires us to fully fake a working directory (at
                   1437:     # least to the point of including the directories down to the one
                   1438:     # containing the file in question).
                   1439:     # So if $where is "dir/sdir/file", then @dirs will be ("dir","sdir","file")
3.3       knu      1440:     my @dirs = split('/', $where);
3.1       knu      1441:     my $path = "";
                   1442:     foreach (@dirs) {
                   1443:        if ($path eq "") {
                   1444:            # In our example, $_ is "dir".
                   1445:            $path = $_;
3.12      knu      1446:        }
3.1       knu      1447:        else {
3.3       knu      1448:            print $writer "Directory $path\n";
                   1449:            print $writer "$cvsroot/$path\n";
3.1       knu      1450:            # In our example, $_ is "sdir" and $path becomes "dir/sdir"
                   1451:            # And the next time, "file" and "dir/sdir/file" (which then gets
                   1452:            # ignored, because we don't need to send Directory for the file).
3.3       knu      1453:             $path .= "/$_";
3.1       knu      1454:        }
                   1455:     }
                   1456:     # And the last "Directory" before "annotate" is the top level.
                   1457:     print $writer "Directory .\n";
                   1458:     print $writer "$cvsroot\n";
3.12      knu      1459:
3.1       knu      1460:     print $writer "annotate\n";
                   1461:     # OK, we've sent our command to the server.  Thing to do is to
                   1462:     # close the writer side and get all the responses.  If "cvs server"
                   1463:     # were nicer about buffering, then we could just leave it open, I think.
                   1464:     close ($writer) || die "cannot close: $!";
3.12      knu      1465:
3.30      knu      1466:     http_header();
                   1467:
                   1468:     navigateHeader($scriptwhere,$pathname,$filename,$rev, "annotate");
                   1469:     print "<h3 align=center>Annotation of $pathname$filename, Revision $rev</h3>\n";
                   1470:
3.1       knu      1471:     # Ready to get the responses from the server.
                   1472:     # For example:
                   1473:     #     E Annotations for foo/xx
                   1474:     #     E ***************
3.12      knu      1475:     #     M 1.3          (kingdon  06-Sep-97): hello
3.1       knu      1476:     #     ok
                   1477:     my ($lineNr) = 0;
                   1478:     my ($oldLrev, $oldLusr) = ("", "");
                   1479:     my ($revprint, $usrprint);
                   1480:     if ($annTable) {
                   1481:        print "<table border=0 cellspacing=0 cellpadding=0>\n";
                   1482:     }
                   1483:     else {
                   1484:        print "<pre>";
                   1485:     }
3.24      knu      1486:
                   1487:     # prefetch several lines
                   1488:     my @buf = head($reader);
                   1489:
                   1490:     my %d = scan_directives(@buf);
                   1491:
                   1492:     while (@buf || !eof($reader)) {
                   1493:        $_ = @buf ? shift @buf : <$reader>;
                   1494:
3.1       knu      1495:        my @words = split;
                   1496:        # Adding one is for the (single) space which follows $words[0].
                   1497:        my $rest = substr ($_, length ($words[0]) + 1);
                   1498:        if ($words[0] eq "E") {
                   1499:            next;
                   1500:        }
                   1501:        elsif ($words[0] eq "M") {
                   1502:            $lineNr++;
3.30      knu      1503:            (my $lrev = substr($_, 2, 13)) =~ y/ //d;
                   1504:            (my $lusr = substr($_, 16,  9)) =~ y/ //d;
                   1505:            my $line = substr($_, 36);
                   1506:            my $isCurrentRev = ($rev eq $lrev);
3.1       knu      1507:            # we should parse the date here ..
                   1508:            if ($lrev eq $oldLrev) {
3.30      knu      1509:                $revprint = sprintf('%-8s', '');
3.1       knu      1510:            }
                   1511:            else {
3.30      knu      1512:                $revprint = sprintf('%-8s', $lrev);
3.36      knu      1513:                $revprint =~ s`\S+`&link($&, "$scriptwhere$query#rev$&")`e;     # `
3.30      knu      1514:                $oldLusr = '';
3.1       knu      1515:            }
                   1516:            if ($lusr eq $oldLusr) {
3.30      knu      1517:                $usrprint = '';
3.1       knu      1518:            }
                   1519:            else {
                   1520:                $usrprint = $lusr;
                   1521:            }
                   1522:            $oldLrev = $lrev;
                   1523:            $oldLusr = $lusr;
3.12      knu      1524:
3.30      knu      1525:            # Set bold for text-based browsers only - graphical
                   1526:            # browsers show bold fonts a bit wider than regular fonts,
                   1527:            # so it looks irregular.
                   1528:            print "<b>" if ($isCurrentRev && $is_textbased);
                   1529:
3.32      knu      1530:            printf "%s%s %-8s %4d:",
3.30      knu      1531:                    $revprint,
                   1532:                    $isCurrentRev ? '!' : ' ',
                   1533:                    $usrprint,
3.32      knu      1534:                    $lineNr;
3.24      knu      1535:            print spacedHtmlText($line, $d{'tabstop'});
3.30      knu      1536:
                   1537:            print "</b>" if ($isCurrentRev && $is_textbased);
3.1       knu      1538:        }
                   1539:        elsif ($words[0] eq "ok") {
                   1540:            # We could complain about any text received after this, like the
                   1541:            # CVS command line client.  But for simplicity, we don't.
                   1542:        }
                   1543:        elsif ($words[0] eq "error") {
3.36      knu      1544:            fatal("500 Internal Error", "Error occured during annotate: <b>$_</b>");
3.1       knu      1545:        }
                   1546:     }
                   1547:     if ($annTable) {
                   1548:        print "</table>";
                   1549:     }
                   1550:     else {
                   1551:        print "</pre>";
                   1552:     }
                   1553:     close ($reader) || warn "cannot close: $!";
                   1554:     wait;
                   1555: }
                   1556:
                   1557: ###############################
                   1558: # make Checkout
                   1559: ###############################
3.12      knu      1560: sub doCheckout($$) {
3.1       knu      1561:     my ($fullname, $rev) = @_;
                   1562:     my ($mimetype,$revopt);
                   1563:     my $fh = do {local(*FH);};
                   1564:
3.15      knu      1565:     if ($rev eq 'HEAD' || $rev eq '.') {
                   1566:        $rev = undef;
                   1567:     }
                   1568:
3.1       knu      1569:     # make sure the revisions a wellformed, for security
                   1570:     # reasons ..
3.15      knu      1571:     if (defined($rev) && $rev =~ /[^\w.]/) {
3.1       knu      1572:        &fatal("404 Not Found",
3.3       knu      1573:                "Malformed query \"$ENV{QUERY_STRING}\"");
3.1       knu      1574:     }
                   1575:
                   1576:     # get mimetype
                   1577:     if (defined($input{"content-type"}) && ($input{"content-type"} =~ /\S\/\S/)) {
                   1578:        $mimetype = $input{"content-type"}
                   1579:     }
                   1580:     else {
                   1581:        $mimetype = &getMimeTypeFromSuffix($fullname);
                   1582:     }
                   1583:
                   1584:     if (defined($rev)) {
                   1585:        $revopt = "-r$rev";
                   1586:        if ($use_moddate) {
                   1587:            readLog($fullname,$rev);
                   1588:            $moddate=$date{$rev};
                   1589:        }
                   1590:     }
                   1591:     else {
                   1592:        $revopt = "-rHEAD";
                   1593:        if ($use_moddate) {
                   1594:            readLog($fullname);
                   1595:            $moddate=$date{$symrev{HEAD}};
                   1596:        }
                   1597:     }
3.12      knu      1598:
3.1       knu      1599:     ### just for the record:
                   1600:     ### 'cvs co' seems to have a bug regarding single checkout of
                   1601:     ### directories/files having spaces in it;
                   1602:     ### this is an issue that should be resolved on cvs's side
                   1603:     #
                   1604:     # Safely for a child process to read from.
                   1605:     if (! open($fh, "-|")) { # child
3.58      knu      1606:        open(STDERR, ">&STDOUT"); # Redirect stderr to stdout
                   1607:        exec($CMD{cvs}, @cvs_options, '-d', $cvsroot, 'co', '-p', $revopt, $where);
3.12      knu      1608:     }
3.41      knu      1609:
                   1610:     if (eof($fh)) {
                   1611:        &fatal("404 Not Found",
                   1612:               "$where is not (any longer) pertinent");
                   1613:     }
3.1       knu      1614: #===================================================================
                   1615: #Checking out squid/src/ftp.c
                   1616: #RCS:  /usr/src/CVS/squid/src/ftp.c,v
                   1617: #VERS: 1.1.1.28.6.2
                   1618: #***************
                   1619:
                   1620:     # Parse CVS header
                   1621:     my ($revision, $filename, $cvsheader);
                   1622:     while(<$fh>) {
                   1623:        last if (/^\*\*\*\*/);
                   1624:        $revision = $1 if (/^VERS: (.*)$/);
                   1625:        if (/^Checking out (.*)$/) {
                   1626:                $filename = $1;
                   1627:                $filename =~ s/^\.\/*//;
1.12      fenner   1628:        }
3.1       knu      1629:        $cvsheader .= $_;
                   1630:     }
                   1631:     if ($filename ne $where) {
                   1632:        &fatal("500 Internal Error",
3.41      knu      1633:               "Unexpected output from cvs co: $cvsheader");
3.1       knu      1634:     }
                   1635:     $| = 1;
                   1636:
                   1637:     if ($mimetype eq "text/x-cvsweb-markup") {
                   1638:        &cvswebMarkup($fh,$fullname,$revision);
                   1639:     }
                   1640:     else {
                   1641:        http_header($mimetype);
                   1642:        print <$fh>;
                   1643:     }
                   1644:     close($fh);
                   1645: }
                   1646:
3.12      knu      1647: sub cvswebMarkup($$$) {
3.1       knu      1648:     my ($filehandle,$fullname,$revision) = @_;
                   1649:     my ($pathname, $filename);
                   1650:
                   1651:     ($pathname = $where) =~ s/(Attic\/)?[^\/]*$//;
                   1652:     ($filename = $where) =~ s/^.*\///;
                   1653:     my ($fileurl) = urlencode($filename);
                   1654:
                   1655:     http_header();
                   1656:
3.12      knu      1657:     navigateHeader($scriptwhere, $pathname, $filename, $revision, "view");
3.1       knu      1658:     print "<HR noshade>";
                   1659:     print "<table width=\"100%\"><tr><td bgcolor=\"$markupLogColor\">";
                   1660:     print "File: ", &clickablePath($where, 1);
3.35      knu      1661:     print "&nbsp;(";
                   1662:     &download_link($fileurl, $revision, "download");
                   1663:     print ")";
3.1       knu      1664:     if (!$defaultTextPlain) {
3.35      knu      1665:        print "&nbsp;(";
                   1666:        &download_link($fileurl, $revision, "as text",
3.1       knu      1667:               "text/plain");
3.35      knu      1668:        print ")";
3.1       knu      1669:     }
                   1670:     print "<BR>\n";
                   1671:     if ($show_log_in_markup) {
                   1672:        readLog($fullname); #,$revision);
                   1673:        printLog($revision,0);
                   1674:     }
                   1675:     else {
                   1676:        print "Version: <B>$revision</B><BR>\n";
                   1677:        print "Tag: <B>", $input{only_with_tag}, "</b><br>\n" if
                   1678:            $input{only_with_tag};
                   1679:     }
                   1680:     print "</td></tr></table>";
                   1681:     my $url = download_url($fileurl, $revision, $mimetype);
                   1682:     print "<HR noshade>";
                   1683:     if ($mimetype =~ /^image/) {
3.46      knu      1684:        printf '<IMG SRC="%s"><BR>', hrefquote("$url$barequery");
3.1       knu      1685:     }
3.23      knu      1686:     elsif ($mimetype =~ m%^application/pdf%) {
3.46      knu      1687:        printf '<EMBED SRC="%s" WIDTH="100%"><BR>', hrefquote("$url$barequery");
3.23      knu      1688:     }
3.51      knu      1689:     elsif ($preformat_in_markup) {
3.1       knu      1690:        print "<PRE>";
3.24      knu      1691:
                   1692:        # prefetch several lines
                   1693:        my @buf = head($filehandle);
                   1694:
                   1695:        my %d = scan_directives(@buf);
                   1696:
                   1697:        while (@buf || !eof($filehandle)) {
                   1698:            $_ = @buf ? shift @buf : <$filehandle>;
                   1699:
                   1700:            print spacedHtmlText($_, $d{'tabstop'});
1.12      fenner   1701:        }
3.1       knu      1702:        print "</PRE>";
                   1703:     }
3.51      knu      1704:     else {
                   1705:        print "<PLAINTEXT>\n", <$filehandle>;
                   1706:     }
1.12      fenner   1707: }
                   1708:
3.1       knu      1709: sub viewable($) {
                   1710:     my ($mimetype) = @_;
                   1711:
3.23      knu      1712:     $mimetype =~ m%^((text|image)/|application/pdf)% ;
3.1       knu      1713: }
                   1714:
                   1715: ###############################
                   1716: # Show Colored Diff
                   1717: ###############################
3.12      knu      1718: sub doDiff($$$$$$) {
3.1       knu      1719:        my($fullname, $r1, $tr1, $r2, $tr2, $f) = @_;
                   1720:         my $fh = do {local(*FH);};
3.37      knu      1721:        my ($rev1, $rev2, $sym1, $sym2, $f1, $f2);
1.12      fenner   1722:
                   1723:        if ($r1 =~ /([^:]+)(:(.+))?/) {
                   1724:            $rev1 = $1;
                   1725:            $sym1 = $3;
                   1726:        }
3.1       knu      1727:        if ($r1 eq 'text') {
1.12      fenner   1728:            $rev1 = $tr1;
3.1       knu      1729:            $sym1 = "";
1.12      fenner   1730:        }
                   1731:        if ($r2 =~ /([^:]+)(:(.+))?/) {
                   1732:            $rev2 = $1;
                   1733:            $sym2 = $3;
                   1734:        }
3.1       knu      1735:        if ($r2 eq 'text') {
1.12      fenner   1736:            $rev2 = $tr2;
3.1       knu      1737:            $sym2 = "";
1.12      fenner   1738:        }
3.15      knu      1739:
3.1       knu      1740:        # make sure the revisions a wellformed, for security
                   1741:        # reasons ..
3.15      knu      1742:        if ($rev1 =~ /[^\w.]/ || $rev2 =~ /[^\w.]/) {
1.12      fenner   1743:            &fatal("404 Not Found",
3.3       knu      1744:                    "Malformed query \"$ENV{QUERY_STRING}\"");
1.12      fenner   1745:        }
                   1746: #
                   1747: # rev1 and rev2 are now both numeric revisions.
                   1748: # Thus we do a DWIM here and swap them if rev1 is after rev2.
                   1749: # XXX should we warn about the fact that we do this?
                   1750:        if (&revcmp($rev1,$rev2) > 0) {
3.1       knu      1751:            my ($tmp1, $tmp2) = ($rev1, $sym1);
1.12      fenner   1752:            ($rev1, $sym1) = ($rev2, $sym2);
                   1753:            ($rev2, $sym2) = ($tmp1, $tmp2);
                   1754:        }
3.37      knu      1755:        my $difftype = $DIFFTYPES{$f};
                   1756:
                   1757:        if (!$difftype) {
3.1       knu      1758:            fatal ("400 Bad arguments", "Diff format $f not understood");
                   1759:        }
                   1760:
3.37      knu      1761:        my @difftype       = @{$difftype->{'opts'}};
                   1762:        my $human_readable = $difftype->{'colored'};
                   1763:
3.1       knu      1764:        # apply special options
3.3       knu      1765:        if ($showfunc) {
3.37      knu      1766:            push @difftype, '-p' if $f ne 's';
3.1       knu      1767:
3.3       knu      1768:            my($re1, $re2);
3.1       knu      1769:
3.3       knu      1770:            while (($re1, $re2) = each %funcline_regexp) {
                   1771:                if ($fullname =~ /$re1/) {
                   1772:                    push @difftype, '-F', '$re2';
                   1773:                    last;
3.1       knu      1774:                }
                   1775:            }
3.3       knu      1776:        }
                   1777:        if ($human_readable) {
3.1       knu      1778:            if ($hr_ignwhite) {
                   1779:                push @difftype, '-w';
                   1780:            }
                   1781:            if ($hr_ignkeysubst) {
                   1782:                push @difftype, '-kk';
                   1783:            }
                   1784:        }
                   1785:        if (! open($fh, "-|")) { # child
3.3       knu      1786:            open(STDERR, ">&STDOUT"); # Redirect stderr to stdout
3.58      knu      1787:            exec($CMD{rcsdiff}, @difftype, "-r$rev1", "-r$rev2", $fullname);
3.1       knu      1788:        }
                   1789:        if ($human_readable) {
                   1790:            http_header();
                   1791:            &human_readable_diff($fh, $rev2);
3.25      knu      1792:            gzipclose();
3.1       knu      1793:            exit;
                   1794:        }
                   1795:        else {
                   1796:            http_header("text/plain");
1.44      knu      1797:        }
1.12      fenner   1798: #
                   1799: #===================================================================
                   1800: #RCS file: /home/ncvs/src/sys/netinet/tcp_output.c,v
                   1801: #retrieving revision 1.16
                   1802: #retrieving revision 1.17
                   1803: #diff -c -r1.16 -r1.17
                   1804: #*** /home/ncvs/src/sys/netinet/tcp_output.c     1995/11/03 22:08:08     1.16
                   1805: #--- /home/ncvs/src/sys/netinet/tcp_output.c     1995/12/05 17:46:35     1.17
                   1806: #
                   1807: # Ideas:
                   1808: # - nuke the stderr output if it's what we expect it to be
                   1809: # - Add "no differences found" if the diff command supplied no output.
                   1810: #
                   1811: #*** src/sys/netinet/tcp_output.c     1995/11/03 22:08:08     1.16
                   1812: #--- src/sys/netinet/tcp_output.c     1995/12/05 17:46:35     1.17 RELENG_2_1_0
                   1813: # (bogus example, but...)
                   1814: #
3.1       knu      1815:        if (grep { $_ eq '-u'} @difftype) {
1.12      fenner   1816:            $f1 = '---';
                   1817:            $f2 = '\+\+\+';
3.1       knu      1818:        }
                   1819:        else {
1.12      fenner   1820:            $f1 = '\*\*\*';
                   1821:            $f2 = '---';
                   1822:        }
3.1       knu      1823:        while (<$fh>) {
1.12      fenner   1824:            if (m|^$f1 $cvsroot|o) {
                   1825:                s|$cvsroot/||o;
                   1826:                if ($sym1) {
                   1827:                    chop;
3.36      knu      1828:                    $_ .= " $sym1\n";
1.12      fenner   1829:                }
3.1       knu      1830:            }
                   1831:            elsif (m|^$f2 $cvsroot|o) {
1.12      fenner   1832:                s|$cvsroot/||o;
                   1833:                if ($sym2) {
                   1834:                    chop;
3.36      knu      1835:                    $_ .= " $sym2\n";
1.12      fenner   1836:                }
                   1837:            }
                   1838:            print $_;
                   1839:        }
3.1       knu      1840:        close($fh);
1.12      fenner   1841: }
                   1842:
3.1       knu      1843: ###############################
                   1844: # Show Logs ..
                   1845: ###############################
3.12      knu      1846: sub getDirLogs($$@) {
3.1       knu      1847:     my ($cvsroot,$dirname,@otherFiles) = @_;
                   1848:     my ($state,$otherFiles,$tag, $file, $date, $branchpoint, $branch, $log);
                   1849:     my ($rev, $revision, $revwanted, $filename, $head, $author);
                   1850:
                   1851:     $tag = $input{only_with_tag};
                   1852:
                   1853:     my ($DirName) = "$cvsroot/$where";
                   1854:     my (@files, @filetags);
                   1855:     my $fh = do {local(*FH);};
                   1856:
                   1857:     push(@files, &safeglob("$DirName/*,v"));
                   1858:     push(@files, &safeglob("$DirName/Attic/*,v")) if (!$input{'hideattic'});
                   1859:     foreach $file (@otherFiles) {
                   1860:        push(@files, "$DirName/$file");
                   1861:     }
                   1862:
                   1863:     # just execute rlog if there are any files
3.12      knu      1864:     if ($#files < 0) {
3.1       knu      1865:        return;
                   1866:     }
                   1867:
3.53      knu      1868:     if (defined($tag)) {
3.1       knu      1869:        #can't use -r<tag> as - is allowed in tagnames, but misinterpreated by rlog..
                   1870:        if (! open($fh, "-|")) {
3.58      knu      1871:            open(STDERR, '>/dev/null'); # rlog may complain; ignore.
                   1872:            exec($CMD{rlog}, @files);
3.1       knu      1873:        }
                   1874:     }
                   1875:     else {
3.58      knu      1876:        if (! open($fh, "-|")) {
                   1877:            open(STDERR, '>/dev/null'); # rlog may complain; ignore.
                   1878:            exec($CMD{rlog}, '-r', @files);
3.1       knu      1879:        }
                   1880:     }
                   1881:     $state = "start";
                   1882:     while (<$fh>) {
                   1883:        if ($state eq "start") {
                   1884:            #Next file. Initialize file variables
3.53      knu      1885:            $rev = '';
                   1886:            $revwanted = '';
                   1887:            $branch = '';
                   1888:            $branchpoint = '';
                   1889:            $filename = '';
                   1890:            $log = '';
                   1891:            $revision = '';
3.1       knu      1892:            %symrev = ();
                   1893:            @filetags = ();
                   1894:            #jump to head state
                   1895:            $state = "head";
                   1896:        }
                   1897:        print "$state:$_" if ($verbose);
                   1898: again:
                   1899:        if ($state eq "head") {
                   1900:            #$rcsfile = $1 if (/^RCS file: (.+)$/); #not used (yet)
3.41      knu      1901:
                   1902:            if (/^Working file: (.+)$/) {
                   1903:                $filename = $1;
                   1904:            } elsif (/^head: (.+)$/) {
                   1905:                $head = $1;
                   1906:            } elsif (/^branch: (.+)$/) {
                   1907:                $branch = $1
                   1908:            } elsif (/^symbolic names:/) {
                   1909:                $state = "tags";
3.53      knu      1910:                ($branch = $head) =~ s/\.\d+$// if $branch eq '';
3.45      knu      1911:                $branch =~ s/(\d+)$/0.$1/;
3.41      knu      1912:                $symrev{MAIN} = $branch;
                   1913:                $symrev{HEAD} = $branch;
                   1914:                $alltags{MAIN} = 1;
                   1915:                $alltags{HEAD} = 1;
                   1916:                push (@filetags, "MAIN", "HEAD");
                   1917:            } elsif (/$LOG_REVSEPARATOR/o) {
                   1918:                $state = "log";
3.53      knu      1919:                $rev = '';
                   1920:                $date = '';
                   1921:                $log = '';
3.41      knu      1922:                # Try to reconstruct the relative filename if RCS spits out a full path
                   1923:                $filename =~ s%^\Q$DirName\E/%%;
                   1924:            }
3.1       knu      1925:            next;
                   1926:        }
3.41      knu      1927:        if ($state eq "tags") {
                   1928:            if (/^\s+(.+):\s+([\d\.]+)\s+$/) {
                   1929:                push (@filetags, $1);
                   1930:                $symrev{$1} = $2;
                   1931:                $alltags{$1} = 1;
3.1       knu      1932:                next;
3.41      knu      1933:            } elsif (/^\S/) {
                   1934:                if (defined($tag)) {
                   1935:                    if(defined($symrev{$tag}) || $tag eq "HEAD") {
                   1936:                        $revwanted = $symrev{$tag eq "HEAD" ? "MAIN" : $tag};
3.45      knu      1937:                        ($branch = $revwanted) =~ s/\b0\.//;
3.41      knu      1938:                        ($branchpoint = $branch) =~ s/\.?\d+$//;
3.53      knu      1939:                        $revwanted = '' if ($revwanted ne $branch);
3.41      knu      1940:                    } elsif ($tag ne "HEAD") {
                   1941:                        print "Tag not found, skip this file" if ($verbose);
                   1942:                        $state = "skip";
                   1943:                        next;
                   1944:                    }
                   1945:                }
                   1946:                foreach my $tagfound (@filetags) {
                   1947:                    $tags{$tagfound} = 1;
                   1948:                }
                   1949:                $state = "head";
                   1950:                goto again;
3.1       knu      1951:            }
                   1952:        }
                   1953:        if ($state eq "log") {
3.32      knu      1954:            if (/$LOG_REVSEPARATOR/o || /$LOG_FILESEPARATOR/o) {
3.1       knu      1955:                # End of a log entry.
3.53      knu      1956:                my $revbranch = $rev;
                   1957:                $revbranch =~ s/\.\d+$//;
3.36      knu      1958:                print "$filename $rev Wanted: $revwanted ",
                   1959:                  "Revbranch: $revbranch Branch: $branch ",
                   1960:                    "Branchpoint: $branchpoint\n" if ($verbose);
3.53      knu      1961:                if ($revwanted eq '' && $branch ne ''
3.1       knu      1962:                    && $branch eq $revbranch || !defined($tag)) {
                   1963:                    print "File revision $rev found for branch $branch\n"
                   1964:                        if ($verbose);
                   1965:                    $revwanted = $rev;
                   1966:                }
3.53      knu      1967:                if ($revwanted ne '' ? $rev eq $revwanted :
                   1968:                    $branchpoint ne '' ? $rev eq $branchpoint :
3.1       knu      1969:                    0 && ($rev eq $head)) { # Don't think head is needed here..
                   1970:                    print "File info $rev found for $filename\n" if ($verbose);
                   1971:                    my @finfo = ($rev,$date,$log,$author,$filename);
                   1972:                    my ($name);
                   1973:                    ($name = $filename) =~ s%/.*%%;
                   1974:                    $fileinfo{$name} = [ @finfo ];
                   1975:                    $state = "done" if ($rev eq $revwanted);
                   1976:                }
3.53      knu      1977:                $rev = '';
                   1978:                $date = '';
                   1979:                $log = '';
3.1       knu      1980:            }
3.53      knu      1981:            elsif ($date eq '' && m|^date:\s+(\d+)/(\d+)/(\d+)\s+(\d+):(\d+):(\d+);|) {
3.1       knu      1982:                my $yr = $1;
                   1983:                # damn 2-digit year routines :-)
                   1984:                if ($yr > 100) {
                   1985:                    $yr -= 1900;
                   1986:                }
                   1987:                $date = &Time::Local::timegm($6,$5,$4,$3,$2 - 1,$yr);
                   1988:                ($author) = /author: ([^;]+)/;
                   1989:                $state = "log";
                   1990:                $log = '';
                   1991:                next;
                   1992:            }
3.53      knu      1993:            elsif ($rev eq '' && /^revision (.*)$/) {
3.1       knu      1994:                $rev = $1;
                   1995:                next;
                   1996:            }
                   1997:            else {
3.36      knu      1998:                $log .= $_;
3.1       knu      1999:            }
                   2000:        }
3.32      knu      2001:        if (/$LOG_FILESEPARATOR/o) {
3.1       knu      2002:            $state = "start";
                   2003:            next;
                   2004:        }
                   2005:     }
                   2006:     if ($. == 0) {
3.12      knu      2007:        fatal("500 Internal Error",
3.59      knu      2008:              "Failed to spawn GNU rlog on <em>'".join(", ", @files)."'</em><p>Did you set the <b>\$command_path</b> in your configuration file correctly ? (Currently '$command_path'");
3.1       knu      2009:     }
                   2010:     close($fh);
                   2011: }
                   2012:
3.12      knu      2013: sub readLog($;$) {
3.1       knu      2014:        my($fullname,$revision) = @_;
                   2015:        my ($symnames, $head, $rev, $br, $brp, $branch, $branchrev);
                   2016:        my $fh = do {local(*FH);};
                   2017:
                   2018:        if (defined($revision)) {
                   2019:            $revision = "-r$revision";
                   2020:        }
                   2021:        else {
                   2022:            $revision = "";
                   2023:        }
                   2024:
                   2025:        undef %symrev;
                   2026:        undef %revsym;
                   2027:        undef @allrevisions;
                   2028:        undef %date;
                   2029:        undef %author;
                   2030:        undef %state;
                   2031:        undef %difflines;
                   2032:        undef %log;
1.12      fenner   2033:
                   2034:        print("Going to rlog '$fullname'\n") if ($verbose);
3.1       knu      2035:        if (! open($fh, "-|")) { # child
3.58      knu      2036:            if ($revision ne '') {
                   2037:                exec($CMD{rlog}, $revision, $fullname);
                   2038:            }
                   2039:            else {
                   2040:                exec($CMD{rlog}, $fullname);
                   2041:            }
1.44      knu      2042:        }
3.1       knu      2043:        while (<$fh>) {
1.1       jfieber  2044:            print if ($verbose);
                   2045:            if ($symnames) {
                   2046:                if (/^\s+([^:]+):\s+([\d\.]+)/) {
                   2047:                    $symrev{$1} = $2;
3.1       knu      2048:                }
                   2049:                else {
1.1       jfieber  2050:                    $symnames = 0;
                   2051:                }
3.1       knu      2052:            }
                   2053:            elsif (/^head:\s+([\d\.]+)/) {
                   2054:                $head = $1;
                   2055:            }
                   2056:            elsif (/^branch:\s+([\d\.]+)/) {
                   2057:                $curbranch = $1;
                   2058:            }
                   2059:            elsif (/^symbolic names/) {
1.1       jfieber  2060:                $symnames = 1;
3.1       knu      2061:            }
                   2062:            elsif (/^-----/) {
1.1       jfieber  2063:                last;
                   2064:            }
                   2065:        }
3.1       knu      2066:        ($curbranch = $head) =~ s/\.\d+$// if (!defined($curbranch));
1.7       fenner   2067:
1.1       jfieber  2068: # each log entry is of the form:
                   2069: # ----------------------------
                   2070: # revision 3.7.1.1
                   2071: # date: 1995/11/29 22:15:52;  author: fenner;  state: Exp;  lines: +5 -3
                   2072: # log info
                   2073: # ----------------------------
                   2074:        logentry:
3.32      knu      2075:        while (!/$LOG_FILESEPARATOR/o) {
3.1       knu      2076:            $_ = <$fh>;
1.12      fenner   2077:            last logentry if (!defined($_));    # EOF
1.1       jfieber  2078:            print "R:", $_ if ($verbose);
                   2079:            if (/^revision ([\d\.]+)/) {
                   2080:                $rev = $1;
3.1       knu      2081:                unshift(@allrevisions,$rev);
                   2082:            }
3.32      knu      2083:            elsif (/$LOG_FILESEPARATOR/o || /$LOG_REVSEPARATOR/o) {
1.1       jfieber  2084:                next logentry;
3.1       knu      2085:            }
                   2086:            else {
1.12      fenner   2087:                # The rlog output is syntactically ambiguous.  We must
                   2088:                # have guessed wrong about where the end of the last log
                   2089:                # message was.
                   2090:                # Since this is likely to happen when people put rlog output
                   2091:                # in their commit messages, don't even bother keeping
                   2092:                # these lines since we don't know what revision they go with
                   2093:                # any more.
                   2094:                next logentry;
                   2095: #              &fatal("500 Internal Error","Error parsing RCS output: $_");
1.1       jfieber  2096:            }
3.1       knu      2097:            $_ = <$fh>;
1.1       jfieber  2098:            print "D:", $_ if ($verbose);
3.1       knu      2099:            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+-]+))?|) {
                   2100:                my $yr = $1;
                   2101:                 # damn 2-digit year routines :-)
                   2102:                 if ($yr > 100) {
                   2103:                     $yr -= 1900;
                   2104:                 }
                   2105:                $date{$rev} = &Time::Local::timegm($6,$5,$4,$3,$2 - 1,$yr);
1.1       jfieber  2106:                $author{$rev} = $7;
1.9       fenner   2107:                $state{$rev} = $8;
3.1       knu      2108:                $difflines{$rev} = $10;
                   2109:            }
                   2110:            else {
1.1       jfieber  2111:                &fatal("500 Internal Error", "Error parsing RCS output: $_");
                   2112:            }
                   2113:            line:
3.1       knu      2114:            while (<$fh>) {
1.1       jfieber  2115:                print "L:", $_ if ($verbose);
                   2116:                next line if (/^branches:\s/);
3.32      knu      2117:                last line if (/$LOG_FILESEPARATOR/o || /$LOG_REVSEPARATOR/o);
1.1       jfieber  2118:                $log{$rev} .= $_;
                   2119:            }
                   2120:            print "E:", $_ if ($verbose);
                   2121:        }
3.1       knu      2122:        close($fh);
1.1       jfieber  2123:        print "Done reading RCS file\n" if ($verbose);
3.1       knu      2124:
                   2125:        @revorder = reverse sort {revcmp($a,$b)} @allrevisions;
                   2126:        print "Done sorting revisions",join(" ",@revorder),"\n" if ($verbose);
                   2127:
1.1       jfieber  2128: #
                   2129: # HEAD is an artificial tag which is simply the highest tag number on the main
1.8       fenner   2130: # branch, unless there is a branch tag in the RCS file in which case it's the
                   2131: # highest revision on that branch.  Find it by looking through @revorder; it
                   2132: # is the first commit listed on the appropriate branch.
3.1       knu      2133: # This is not neccesary the same revision as marked as head in the RCS file.
                   2134:        my $headrev = $curbranch || "1";
3.45      knu      2135:        ($symrev{"MAIN"} = $headrev) =~ s/(\d+)$/0.$1/;
3.1       knu      2136:        foreach $rev (@revorder) {
                   2137:            if ($rev =~ /^(\S*)\.\d+$/ && $headrev eq $1) {
                   2138:                $symrev{"HEAD"} = $rev;
3.41      knu      2139:                last;
1.1       jfieber  2140:            }
                   2141:        }
3.1       knu      2142:        ($symrev{"HEAD"} = $headrev) =~ s/\.\d+$//
                   2143:             if (!defined($symrev{"HEAD"}));
1.1       jfieber  2144:        print "Done finding HEAD\n" if ($verbose);
                   2145: #
                   2146: # Now that we know all of the revision numbers, we can associate
                   2147: # absolute revision numbers with all of the symbolic names, and
                   2148: # pass them to the form so that the same association doesn't have
                   2149: # to be built then.
                   2150: #
3.1       knu      2151:        undef @branchnames;
                   2152:        undef %branchpoint;
                   2153:        undef $sel;
                   2154:
                   2155:        foreach (reverse sort keys %symrev) {
1.1       jfieber  2156:            $rev = $symrev{$_};
3.45      knu      2157:            if ($rev =~ /^((.*)\.)?\b0\.(\d+)$/) {
1.7       fenner   2158:                push(@branchnames, $_);
1.1       jfieber  2159:                #
                   2160:                # A revision number of A.B.0.D really translates into
                   2161:                # "the highest current revision on branch A.B.D".
                   2162:                #
                   2163:                # If there is no branch A.B.D, then it translates into
                   2164:                # the head A.B .
                   2165:                #
3.1       knu      2166:                # This reasoning also applies to the main branch A.B,
                   2167:                # with the branch number 0.A, with the exception that
                   2168:                # it has no head to translate to if there is nothing on
                   2169:                # the branch, but I guess this can never happen?
3.38      knu      2170:                #
3.45      knu      2171:                # (the code below gracefully forgets about the branch
                   2172:                # if it should happen)
3.1       knu      2173:                #
                   2174:                $head = defined($2) ? $2 : "";
1.1       jfieber  2175:                $branch = $3;
3.1       knu      2176:                $branchrev = $head . ($head ne "" ? "." : "") . $branch;
                   2177:                my $regex;
3.41      knu      2178:                $regex = quotemeta $branchrev;
1.1       jfieber  2179:                $rev = $head;
                   2180:
3.1       knu      2181:                foreach my $r (@revorder) {
                   2182:                    if ($r =~ /^${regex}\b/) {
                   2183:                        $rev = $branchrev;
3.41      knu      2184:                        last;
1.1       jfieber  2185:                    }
                   2186:                }
3.1       knu      2187:                next if ($rev eq "");
                   2188:                if ($rev ne $head && $head ne "") {
1.8       fenner   2189:                    $branchpoint{$head} .= ", " if ($branchpoint{$head});
                   2190:                    $branchpoint{$head} .= $_;
                   2191:                }
1.1       jfieber  2192:            }
3.1       knu      2193:            $revsym{$rev} .= ", " if ($revsym{$rev});
                   2194:            $revsym{$rev} .= $_;
1.1       jfieber  2195:            $sel .= "<OPTION VALUE=\"${rev}:${_}\">$_\n";
                   2196:        }
                   2197:        print "Done associating revisions with branches\n" if ($verbose);
3.1       knu      2198:
                   2199:        my ($onlyonbranch, $onlybranchpoint);
                   2200:        if ($onlyonbranch = $input{'only_with_tag'}) {
                   2201:            $onlyonbranch = $symrev{$onlyonbranch};
3.45      knu      2202:            if ($onlyonbranch =~ s/\b0\.//) {
3.1       knu      2203:                ($onlybranchpoint = $onlyonbranch) =~ s/\.\d+$//;
                   2204:            }
                   2205:             else {
                   2206:                $onlybranchpoint = $onlyonbranch;
                   2207:            }
                   2208:            if (!defined($onlyonbranch) || $onlybranchpoint eq "") {
                   2209:                fatal("404 Tag not found","Tag $input{'only_with_tag'} not defined");
                   2210:            }
1.8       fenner   2211:        }
1.1       jfieber  2212:
3.1       knu      2213:        undef @revisions;
                   2214:
                   2215:        foreach (@allrevisions) {
1.7       fenner   2216:            ($br = $_) =~ s/\.\d+$//;
3.1       knu      2217:            ($brp = $br) =~ s/\.\d+$//;
1.7       fenner   2218:            next if ($onlyonbranch && $br ne $onlyonbranch &&
3.1       knu      2219:                                        $_ ne $onlybranchpoint);
                   2220:            unshift(@revisions,$_);
                   2221:        }
                   2222:
                   2223:        if ($logsort eq "date") {
                   2224:            # Sort the revisions in commit order an secondary sort on revision
                   2225:            # (secondary sort needed for imported sources, or the first main
                   2226:            # revision gets before the same revision on the 1.1.1 branch)
                   2227:            @revdisplayorder = sort {$date{$b} <=> $date{$a} || -revcmp($a, $b)} @revisions;
                   2228:        }
                   2229:         elsif ($logsort eq "rev") {
                   2230:            # Sort the revisions in revision order, highest first
                   2231:            @revdisplayorder = reverse sort {revcmp($a,$b)} @revisions;
                   2232:        }
                   2233:         else {
                   2234:            # No sorting. Present in the same order as rlog / cvs log
                   2235:            @revdisplayorder = @revisions;
                   2236:        }
                   2237:
                   2238: }
                   2239:
3.37      knu      2240: sub printDiffLinks($$) {
                   2241:     my($text, $url) = @_;
                   2242:     my @extra;
                   2243:
                   2244:     local $_;
                   2245:     for ($DIFFTYPES{$defaultDiffType}{'colored'} ? qw(u) : qw(h)) {
                   2246:        my $f = $_ eq $defaultDiffType ? '' : $_;
                   2247:
                   2248:        push @extra, &link(lc $DIFFTYPES{$_}{'descr'}, "$url&f=$f");
                   2249:     }
                   2250:
                   2251:     print &link($text, $url), ' (', join(', ', @extra), ')';
                   2252: }
                   2253:
3.1       knu      2254: sub printLog($;$) {
                   2255:        my ($link, $br, $brp);
                   2256:        ($_,$link) = @_;
                   2257:        ($br = $_) =~ s/\.\d+$//;
                   2258:        ($brp = $br) =~ s/\.?\d+$//;
                   2259:        my ($isDead, $prev);
                   2260:
                   2261:        $link = 1 if (!defined($link));
                   2262:        $isDead = ($state{$_} eq "dead");
                   2263:
                   2264:        if ($link && !$isDead) {
                   2265:            my ($filename);
                   2266:            ($filename = $where) =~ s/^.*\///;
                   2267:            my ($fileurl) = urlencode($filename);
1.4       fenner   2268:            print "<a NAME=\"rev$_\"></a>";
3.1       knu      2269:            if (defined($revsym{$_})) {
                   2270:                foreach my $sym (split(", ", $revsym{$_})) {
                   2271:                    print "<a NAME=\"$sym\"></a>";
                   2272:                }
1.4       fenner   2273:            }
3.1       knu      2274:            if (defined($revsym{$br}) && $revsym{$br} && !defined($nameprinted{$br})) {
                   2275:                foreach my $sym (split(", ", $revsym{$br})) {
1.4       fenner   2276:                    print "<a NAME=\"$sym\"></a>";
                   2277:                }
3.1       knu      2278:                $nameprinted{$br} = 1;
1.4       fenner   2279:            }
3.1       knu      2280:            print "\n Revision ";
                   2281:            &download_link($fileurl, $_, $_,
3.35      knu      2282:                           $defaultViewable ? "text/x-cvsweb-markup" : undef);
3.1       knu      2283:            if ($defaultViewable) {
3.35      knu      2284:                print " / (";
                   2285:                &download_link($fileurl, $_, "download", $mimetype);
                   2286:                print ")";
3.1       knu      2287:            }
                   2288:            if (not $defaultTextPlain) {
3.35      knu      2289:                print " / (";
                   2290:                &download_link($fileurl, $_, "as text", "text/plain");
                   2291:                print ")";
3.1       knu      2292:            }
                   2293:            if (!$defaultViewable) {
3.35      knu      2294:                print " / (";
                   2295:                &download_link($fileurl, $_, "view", "text/x-cvsweb-markup");
                   2296:                print ")";
3.1       knu      2297:            }
                   2298:            if ($allow_annotate) {
3.35      knu      2299:                print " - ";
                   2300:                print &link('annotate',
                   2301:                            sprintf('%s/%s?annotate=%s%s',
                   2302:                                    $scriptname,
                   2303:                                    urlencode($where),
                   2304:                                    $_,
                   2305:                                    $barequery));
3.1       knu      2306:            }
                   2307:            # Plus a select link if enabled, and this version isn't selected
                   2308:            if ($allow_version_select) {
                   2309:                if ((!defined($input{"r1"}) || $input{"r1"} ne $_)) {
3.35      knu      2310:                    print " - ";
                   2311:                    print &link('[select for diffs]',
                   2312:                                sprintf('%s?r1=%s%s',
                   2313:                                        $scriptwhere,
                   2314:                                        $_,
                   2315:                                        $barequery));
3.1       knu      2316:                }
                   2317:                else {
                   2318:                    print " - <b>[selected]</b>";
                   2319:                }
                   2320:            }
                   2321:        }
                   2322:        else {
                   2323:            print "Revision <B>$_</B>";
                   2324:        }
                   2325:        if (/^1\.1\.1\.\d+$/) {
                   2326:            print " <i>(vendor branch)</i>";
                   2327:        }
                   2328:        if (defined @mytz) {
                   2329:            my ($est) = $mytz[(localtime($date{$_}))[8]];
3.36      knu      2330:            print ", <i>", scalar localtime($date{$_}), " $est</i> (";
3.1       knu      2331:        } else {
3.36      knu      2332:            print ", <i>", scalar gmtime($date{$_}), " UTC</i> (";
3.1       knu      2333:        }
3.36      knu      2334:        print readableTime(time() - $date{$_},1), " ago)";
3.1       knu      2335:        print " by ";
3.36      knu      2336:        print "<i>", $author{$_}, "</i>\n";
3.1       knu      2337:        print "<BR>Branch: <b>",$link?link_tags($revsym{$br}):$revsym{$br},"</b>\n"
                   2338:            if ($revsym{$br});
                   2339:        print "<BR>CVS Tags: <b>",$link?link_tags($revsym{$_}):$revsym{$_},"</b>"
                   2340:            if ($revsym{$_});
                   2341:        print "<BR>Branch point for: <b>",$link?link_tags($branchpoint{$_}):$branchpoint{$_},"</b>\n"
                   2342:            if ($branchpoint{$_});
                   2343:        # Find the previous revision
                   2344:        my @prevrev = split(/\./, $_);
                   2345:        do {
                   2346:            if (--$prevrev[$#prevrev] <= 0) {
1.1       jfieber  2347:                # If it was X.Y.Z.1, just make it X.Y
3.1       knu      2348:                pop(@prevrev);
                   2349:                pop(@prevrev);
                   2350:            }
                   2351:            $prev = join(".", @prevrev);
                   2352:        } until (defined($date{$prev}) || $prev eq "");
                   2353:        if ($prev ne "") {
                   2354:            if ($difflines{$_}) {
                   2355:                print "<BR>Changes since <b>$prev: $difflines{$_} lines</b>";
                   2356:            }
                   2357:        }
                   2358:        if ($isDead) {
                   2359:            print "<BR><B><I>FILE REMOVED</I></B>\n";
                   2360:        }
                   2361:        elsif ($link) {
                   2362:            my %diffrev = ();
                   2363:            $diffrev{$_} = 1;
                   2364:            $diffrev{""} = 1;
                   2365:            print "<BR>Diff";
                   2366:            #
                   2367:            # Offer diff to previous revision
                   2368:            if ($prev) {
                   2369:                $diffrev{$prev} = 1;
3.35      knu      2370:
                   2371:                my $url = sprintf('%s.diff?r1=%s&r2=%s%s',
                   2372:                                  $scriptwhere,
                   2373:                                  $prev,
                   2374:                                  $_,
                   2375:                                  $barequery);
                   2376:
                   2377:                print " to previous ";
3.37      knu      2378:                printDiffLinks($prev, $url);
3.1       knu      2379:            }
                   2380:            #
                   2381:            # Plus, if it's on a branch, and it's not a vendor branch,
                   2382:            # offer a diff with the branch point.
                   2383:            if ($revsym{$brp} && !/^1\.1\.1\.\d+$/ && !defined($diffrev{$brp})) {
3.35      knu      2384:                my $url = sprintf('%s.diff?r1=%s&r2=%s%s',
                   2385:                                  $scriptwhere,
                   2386:                                  $brp,
                   2387:                                  $_,
                   2388:                                  $barequery);
                   2389:
                   2390:                print " to branchpoint ";
3.37      knu      2391:                printDiffLinks($brp, $url);
1.1       jfieber  2392:            }
3.1       knu      2393:            #
                   2394:            # Plus, if it's on a branch, and it's not a vendor branch,
                   2395:            # offer to diff with the next revision of the higher branch.
                   2396:            # (e.g. change gets committed and then brought
                   2397:            # over to -stable)
                   2398:            if (/^\d+\.\d+\.\d+/ && !/^1\.1\.1\.\d+$/) {
                   2399:                my ($i,$nextmain);
                   2400:                for ($i = 0; $i < $#revorder && $revorder[$i] ne $_; $i++){}
3.53      knu      2401:                my @tmp2 = split(/\./, $_);
3.1       knu      2402:                for ($nextmain = ""; $i > 0; $i--) {
3.53      knu      2403:                    my $next = $revorder[$i-1];
                   2404:                    my @tmp1 = split(/\./, $next);
                   2405:                    if (@tmp1 < @tmp2) {
3.1       knu      2406:                        $nextmain = $next;
                   2407:                        last;
                   2408:                    }
                   2409:                    # Only the highest version on a branch should have
                   2410:                    # a diff for the "next main".
3.53      knu      2411:                    last if (@tmp1 - 1 <= @tmp2 &&
                   2412:                             join(".",@tmp1[0..$#tmp1-1]) eq join(".",@tmp2[0..$#tmp1-1]));
3.1       knu      2413:                }
                   2414:                if (!defined($diffrev{$nextmain})) {
                   2415:                    $diffrev{$nextmain} = 1;
3.35      knu      2416:
                   2417:                    my $url = sprintf('%s.diff?r1=%s&r2=%s%s',
                   2418:                                      $scriptwhere,
                   2419:                                      $nextmain,
                   2420:                                      $_,
                   2421:                                      $barequery);
                   2422:
                   2423:                    print " next main ";
3.37      knu      2424:                    printDiffLinks($nextmain, $url);
1.1       jfieber  2425:                }
                   2426:            }
3.1       knu      2427:            # Plus if user has selected only r1, then present a link
                   2428:            # to make a diff to that revision
                   2429:            if (defined($input{"r1"}) && !defined($diffrev{$input{"r1"}})) {
                   2430:                $diffrev{$input{"r1"}} = 1;
3.35      knu      2431:
                   2432:                my $url = sprintf('%s.diff?r1=%s&r2=%s%s',
                   2433:                                  $scriptwhere,
                   2434:                                  $input{'r1'},
                   2435:                                  $_,
                   2436:                                  $barequery);
                   2437:
                   2438:                print " to selected ";
3.37      knu      2439:                printDiffLinks($input{'r1'}, $url);
1.9       fenner   2440:            }
1.1       jfieber  2441:        }
3.1       knu      2442:        print "<PRE>\n";
                   2443:        print &htmlify($log{$_}, 1);
                   2444:        print "</PRE>\n";
                   2445: }
                   2446:
3.12      knu      2447: sub doLog($) {
3.1       knu      2448:        my($fullname) = @_;
                   2449:        my ($diffrev, $upwhere, $filename, $backurl);
3.12      knu      2450:
3.1       knu      2451:        readLog($fullname);
                   2452:
                   2453:         html_header("CVS log for $where");
                   2454:        ($upwhere = $where) =~ s|(Attic/)?[^/]+$||;
                   2455:         ($filename = $where) =~ s|^.*/||;
                   2456:         $backurl = $scriptname . "/" . urlencode($upwhere) . $query;
                   2457:        print &link($backicon, "$backurl#$filename"),
3.35      knu      2458:          " <b>Up to ", &clickablePath($upwhere, 1), "</b><p>\n";
                   2459:        print &link('Request diff between arbitrary revisions', '#diff');
                   2460:         print '<HR NOSHADE>';
                   2461:
3.1       knu      2462:        if ($curbranch) {
3.3       knu      2463:            print "Default branch: ", ($revsym{$curbranch} || $curbranch);
3.1       knu      2464:        }
                   2465:        else {
                   2466:            print "No default branch";
                   2467:        }
                   2468:        print "<BR>\n";
                   2469:        if ($input{only_with_tag}) {
                   2470:            print "Current tag: $input{only_with_tag}<BR>\n";
                   2471:        }
                   2472:
                   2473:        undef %nameprinted;
                   2474:
                   2475:        for (my $i = 0; $i <= $#revdisplayorder; $i++) {
                   2476:            print "<HR size=1 NOSHADE>";
                   2477:            printLog($revdisplayorder[$i]);
                   2478:        }
                   2479:
                   2480:         print "<HR NOSHADE>";
1.1       jfieber  2481:        print "<A NAME=diff>\n";
                   2482:        print "This form allows you to request diff's between any two\n";
                   2483:        print "revisions of a file.  You may select a symbolic revision\n";
                   2484:        print "name using the selection box or you may type in a numeric\n";
                   2485:        print "name using the type-in text box.\n";
                   2486:        print "</A><P>\n";
3.1       knu      2487:        print "<FORM METHOD=\"GET\" ACTION=\"${scriptwhere}.diff\" NAME=\"diff_select\">\n";
                   2488:         foreach (@stickyvars) {
3.35      knu      2489:            printf('<INPUT TYPE=HIDDEN NAME="%s" VALUE="%s">',  $_, $input{$_})
3.1       knu      2490:                if (defined($input{$_})
3.23      knu      2491:                    && ((!defined($DEFAULTVALUE{$_})
                   2492:                         || $input{$_} ne $DEFAULTVALUE{$_})
                   2493:                        && $input{$_} ne ""));
3.1       knu      2494:        }
3.21      knu      2495:        print "<TABLE><TR>\n";
                   2496:        print "<TD align=right>Diffs between \n";
1.1       jfieber  2497:        print "<SELECT NAME=\"r1\">\n";
                   2498:        print "<OPTION VALUE=\"text\" SELECTED>Use Text Field\n";
                   2499:        print $sel;
                   2500:        print "</SELECT>\n";
3.1       knu      2501:        $diffrev = $revdisplayorder[$#revdisplayorder];
                   2502:        $diffrev = $input{"r1"} if (defined($input{"r1"}));
3.21      knu      2503:        print "<INPUT TYPE=\"TEXT\" SIZE=\"$inputTextSize\" NAME=\"tr1\" VALUE=\"$diffrev\" onChange='document.diff_select.r1.selectedIndex=0'></TD>";
                   2504:        print "<TD><BR></TD></TR>\n";
                   2505:        print "<TR><TD align=right>and \n";
1.1       jfieber  2506:        print "<SELECT NAME=\"r2\">\n";
                   2507:        print "<OPTION VALUE=\"text\" SELECTED>Use Text Field\n";
                   2508:        print $sel;
                   2509:        print "</SELECT>\n";
3.1       knu      2510:        $diffrev = $revdisplayorder[0];
                   2511:        $diffrev = $input{"r2"} if (defined($input{"r2"}));
3.21      knu      2512:        print "<INPUT TYPE=\"TEXT\" SIZE=\"$inputTextSize\" NAME=\"tr2\" VALUE=\"$diffrev\" onChange='document.diff_select.r2.selectedIndex=0'></TD>";
                   2513:        print "<TD><INPUT TYPE=SUBMIT VALUE=\"  Get Diffs  \"></TD>\n";
1.1       jfieber  2514:        print "</FORM>\n";
3.21      knu      2515:        print "</TR></TABLE>\n";
1.7       fenner   2516:        print "<HR noshade>\n";
3.21      knu      2517:        print "<TABLE>";
                   2518:        print "<FORM METHOD=\"GET\" ACTION=\"$scriptwhere\">\n";
3.37      knu      2519:        print "<TR><TD align=right>Preferred Diff type:</TD>";
                   2520:        print "<TD>";
3.21      knu      2521:        printDiffSelect($use_java_script);
                   2522:        print "</TD><TD></TD></TR>\n";
3.1       knu      2523:         if (@branchnames) {
3.21      knu      2524:            print "<TR><TD align=right>View only Branch:</TD>";
                   2525:            print "<TD>";
3.1       knu      2526:            print "<A name=branch></A>\n";
                   2527:            print "<SELECT NAME=\"only_with_tag\"";
                   2528:            print " onchange=\"submit()\"" if ($use_java_script);
                   2529:            print ">\n";
                   2530:            print "<OPTION VALUE=\"\"";
                   2531:            print " SELECTED" if (defined($input{"only_with_tag"}) &&
                   2532:                $input{"only_with_tag"} eq "");
                   2533:            print ">Show all branches\n";
                   2534:            foreach (reverse sort @branchnames) {
1.9       fenner   2535:                print "<OPTION";
3.1       knu      2536:                print " SELECTED" if (defined($input{"only_with_tag"})
                   2537:                        && $input{"only_with_tag"} eq $_);
1.9       fenner   2538:                print ">${_}\n";
3.1       knu      2539:            }
3.21      knu      2540:            print "</SELECT></TD><TD></TD></TR>\n";
1.7       fenner   2541:        }
3.1       knu      2542:        foreach (@stickyvars) {
3.21      knu      2543:            next if ($_ eq "f");
3.1       knu      2544:            next if ($_ eq "only_with_tag");
                   2545:            next if ($_ eq "logsort");
                   2546:            print "<INPUT TYPE=HIDDEN NAME=\"$_\" VALUE=\"$input{$_}\">\n"
3.23      knu      2547:                if (defined($input{$_})
                   2548:                    && (!defined($DEFAULTVALUE{$_})
                   2549:                        || $input{$_} ne $DEFAULTVALUE{$_})
3.1       knu      2550:                    && $input{$_} ne "");
                   2551:        }
3.21      knu      2552:        print "<TR><TD align=right>";
                   2553:        print "<A name=logsort></A>\n";
                   2554:        print "Sort log by:</TD>";
3.37      knu      2555:        print "<TD>";
                   2556:        printLogSortSelect($use_java_script);
                   2557:        print "</TD>";
3.21      knu      2558:        print "<TD><INPUT TYPE=SUBMIT VALUE=\"  Set  \"></TD>";
1.7       fenner   2559:        print "</FORM>\n";
3.21      knu      2560:        print "</TR></TABLE>";
1.2       jfieber  2561:         print &html_footer;
1.1       jfieber  2562:        print "</BODY></HTML>\n";
1.10      wosch    2563: }
                   2564:
3.12      knu      2565: sub flush_diff_rows($$$$) {
3.1       knu      2566:     my $j;
                   2567:     my ($leftColRef,$rightColRef,$leftRow,$rightRow) = @_;
                   2568:     if ($state eq "PreChangeRemove") {          # we just got remove-lines before
                   2569:       for ($j = 0 ; $j < $leftRow; $j++) {
                   2570:           print  "<tr><td bgcolor=\"$diffcolorRemove\">@$leftColRef[$j]</td>";
                   2571:           print  "<td bgcolor=\"$diffcolorEmpty\">&nbsp;</td></tr>\n";
                   2572:       }
                   2573:     }
                   2574:     elsif ($state eq "PreChange") {             # state eq "PreChange"
                   2575:       # we got removes with subsequent adds
                   2576:       for ($j = 0; $j < $leftRow || $j < $rightRow ; $j++) {  # dump out both cols
                   2577:           print  "<tr>";
                   2578:           if ($j < $leftRow) {
                   2579:              print  "<td bgcolor=\"$diffcolorChange\">@$leftColRef[$j]</td>";
                   2580:          }
                   2581:           else {
                   2582:              print  "<td bgcolor=\"$diffcolorDarkChange\">&nbsp;</td>";
                   2583:          }
                   2584:           if ($j < $rightRow) {
                   2585:              print  "<td bgcolor=\"$diffcolorChange\">@$rightColRef[$j]</td>";
                   2586:          }
                   2587:           else {
                   2588:              print  "<td bgcolor=\"$diffcolorDarkChange\">&nbsp;</td>";
                   2589:          }
                   2590:           print  "</tr>\n";
                   2591:       }
                   2592:     }
                   2593: }
                   2594:
                   2595: ##
                   2596: # Function to generate Human readable diff-files
                   2597: # human_readable_diff(String revision_to_return_to);
                   2598: ##
                   2599: sub human_readable_diff($){
3.24      knu      2600:   my ($difftxt, $where_nd, $filename, $pathname, $scriptwhere_nd);
3.1       knu      2601:   my ($fh, $rev) = @_;
                   2602:   my ($date1, $date2, $r1d, $r2d, $r1r, $r2r, $rev1, $rev2, $sym1, $sym2);
                   2603:   my (@rightCol, @leftCol);
                   2604:
                   2605:   ($where_nd = $where) =~ s/.diff$//;
                   2606:   ($filename = $where_nd) =~ s/^.*\///;
                   2607:   ($pathname = $where_nd) =~ s/(Attic\/)?[^\/]*$//;
                   2608:   ($scriptwhere_nd = $scriptwhere) =~ s/.diff$//;
                   2609:
3.12      knu      2610:   navigateHeader($scriptwhere_nd, $pathname, $filename, $rev, "diff");
3.1       knu      2611:
                   2612:   # Read header to pick up read revision and date, if possible
                   2613:   while (<$fh>) {
                   2614:       ($r1d,$r1r) = /\t(.*)\t(.*)$/ if (/^--- /);
                   2615:       ($r2d,$r2r) = /\t(.*)\t(.*)$/ if (/^\+\+\+ /);
                   2616:       last if (/^\+\+\+ /);
                   2617:   }
                   2618:   if (defined($r1r) && $r1r =~ /^(\d+\.)+\d+$/) {
                   2619:     $rev1 = $r1r;
                   2620:     $date1 = $r1d;
                   2621:   }
                   2622:   if (defined($r2r) && $r2r =~ /^(\d+\.)+\d+$/) {
                   2623:     $rev2 = $r2r;
                   2624:     $date2 = $r2d;
                   2625:   }
3.12      knu      2626:
3.36      knu      2627:   print "<h3 align=center>Diff for /$where_nd between version $rev1 and $rev2</h3>\n",
                   2628:     "<table border=0 cellspacing=0 cellpadding=0 width=\"100%\">\n",
                   2629:       "<tr bgcolor=\"#ffffff\">\n",
                   2630:        "<th width=\"50%\" valign=TOP>",
                   2631:          "version $rev1";
3.1       knu      2632:   print ", $date1" if (defined($date1));
                   2633:   print "<br>Tag: $sym1\n" if ($sym1);
3.36      knu      2634:   print "</th>\n",
                   2635:     "<th width=\"50%\" valign=TOP>",
                   2636:       "version $rev2";
3.1       knu      2637:   print ", $date2" if (defined($date2));
                   2638:   print "<br>Tag: $sym2\n" if ($sym1);
                   2639:   print "</th>\n";
                   2640:
3.66    ! knu      2641:   my $fs = "<font face=\"$difffontface\" size=\"$difffontsize\"><tt>";
        !          2642:   my $fe = "</tt></font>";
3.1       knu      2643:
                   2644:   my $leftRow = 0;
                   2645:   my $rightRow = 0;
                   2646:   my ($oldline, $newline, $funname, $diffcode, $rest);
                   2647:
                   2648:   # Process diff text
                   2649:   # The diffrows are could make excellent use of
                   2650:   # cascading style sheets because we've to set the
                   2651:   # font and color for each row. anyone ...?
                   2652:   ####
3.24      knu      2653:
                   2654:   # prefetch several lines
                   2655:   my @buf = head($fh);
                   2656:
                   2657:   my %d = scan_directives(@buf);
                   2658:
                   2659:   while (@buf || !eof($fh)) {
                   2660:       $difftxt = @buf ? shift @buf : <$fh>;
3.12      knu      2661:
3.1       knu      2662:       if ($difftxt =~ /^@@/) {
                   2663:          ($oldline,$newline,$funname) = $difftxt =~ /@@ \-([0-9]+).*\+([0-9]+).*@@(.*)/;
                   2664:           print  "<tr bgcolor=\"$diffcolorHeading\"><td width=\"50%\">";
                   2665:          print  "<table width=\"100%\" border=1 cellpadding=5><tr><td><b>Line $oldline</b>";
                   2666:          print  "&nbsp;<font size=-1>$funname</font></td></tr></table>";
                   2667:           print  "</td><td width=\"50%\">";
                   2668:          print  "<table width=\"100%\" border=1 cellpadding=5><tr><td><b>Line $newline</b>";
                   2669:          print  "&nbsp;<font size=-1>$funname</font></td></tr></table>";
                   2670:          print  "</td>\n";
                   2671:          $state = "dump";
                   2672:          $leftRow = 0;
                   2673:          $rightRow = 0;
                   2674:       }
                   2675:       else {
                   2676:          ($diffcode,$rest) = $difftxt =~ /^([-+ ])(.*)/;
3.24      knu      2677:          $_ = spacedHtmlText($rest, $d{'tabstop'});
3.1       knu      2678:
                   2679:          # Add fontface, size
                   2680:          $_ = "$fs&nbsp;$_$fe";
3.12      knu      2681:
3.1       knu      2682:          #########
                   2683:          # little state machine to parse unified-diff output (Hen, zeller@think.de)
                   2684:          # in order to get some nice 'ediff'-mode output
                   2685:          # states:
                   2686:          #  "dump"             - just dump the value
                   2687:          #  "PreChangeRemove"  - we began with '-' .. so this could be the start of a 'change' area or just remove
                   2688:          #  "PreChange"        - okey, we got several '-' lines and moved to '+' lines -> this is a change block
                   2689:          ##########
                   2690:
                   2691:          if ($diffcode eq '+') {
                   2692:              if ($state eq "dump") {  # 'change' never begins with '+': just dump out value
                   2693:                  print  "<tr><td bgcolor=\"$diffcolorEmpty\">&nbsp;</td><td bgcolor=\"$diffcolorAdd\">$_</td></tr>\n";
                   2694:              }
                   2695:              else {                   # we got minus before
                   2696:                  $state = "PreChange";
                   2697:                  $rightCol[$rightRow++] = $_;
                   2698:              }
3.12      knu      2699:          }
3.1       knu      2700:          elsif ($diffcode eq '-') {
                   2701:              $state = "PreChangeRemove";
                   2702:              $leftCol[$leftRow++] = $_;
                   2703:         }
                   2704:         else {  # empty diffcode
                   2705:             flush_diff_rows \@leftCol, \@rightCol, $leftRow, $rightRow;
                   2706:              print  "<tr><td>$_</td><td>$_</td></tr>\n";
                   2707:              $state = "dump";
                   2708:              $leftRow = 0;
                   2709:              $rightRow = 0;
                   2710:          }
                   2711:       }
                   2712:   }
                   2713:   flush_diff_rows \@leftCol, \@rightCol, $leftRow, $rightRow;
                   2714:
                   2715:   # state is empty if we didn't have any change
                   2716:   if (!$state) {
                   2717:       print "<tr><td colspan=2>&nbsp;</td></tr>";
                   2718:       print "<tr bgcolor=\"$diffcolorEmpty\" >";
                   2719:       print "<td colspan=2 align=center><b>- No viewable Change -</b></td></tr>";
                   2720:   }
                   2721:   print  "</table>";
                   2722:   close($fh);
                   2723:
                   2724:   print "<br><hr noshade width=\"100%\">\n";
                   2725:
                   2726:   print "<table border=0>";
                   2727:
                   2728:   print "<tr><td>";
                   2729:   # print legend
                   2730:   print "<table border=1><tr><td>";
                   2731:   print  "Legend:<br><table border=0 cellspacing=0 cellpadding=1>\n";
                   2732:   print  "<tr><td align=center bgcolor=\"$diffcolorRemove\">Removed from v.$rev1</td><td bgcolor=\"$diffcolorEmpty\">&nbsp;</td></tr>";
                   2733:   print  "<tr bgcolor=\"$diffcolorChange\"><td align=center colspan=2>changed lines</td></tr>";
                   2734:   print  "<tr><td bgcolor=\"$diffcolorEmpty\">&nbsp;</td><td align=center bgcolor=\"$diffcolorAdd\">Added in v.$rev2</td></tr>";
                   2735:   print  "</table></td></tr></table>\n";
                   2736:
                   2737:   print "<td>";
                   2738:   # Print format selector
                   2739:   print "<FORM METHOD=\"GET\" ACTION=\"${scriptwhere}\">\n";
                   2740:   foreach my $var (keys %input) {
                   2741:     next if ($var eq "f");
                   2742:     next if (defined($DEFAULTVALUE{$var})
                   2743:             && $DEFAULTVALUE{$var} eq $input{$var});
                   2744:     print "<INPUT TYPE=HIDDEN NAME=\"",urlencode($var),"\" VALUE=\"",
                   2745:            urlencode($input{$var}),"\">\n";
                   2746:   }
                   2747:   printDiffSelect($use_java_script);
                   2748:   print "<INPUT TYPE=SUBMIT VALUE=\"Show\">\n";
                   2749:   print "</FORM>\n";
                   2750:   print "</td>";
                   2751:
                   2752:   print "</tr></table>";
                   2753: }
                   2754:
3.12      knu      2755: sub navigateHeader($$$$$) {
3.1       knu      2756:     my ($swhere,$path,$filename,$rev,$title) = @_;
                   2757:     $swhere = "" if ($swhere eq $scriptwhere);
                   2758:     $swhere = urlencode($filename) if ($swhere eq "");
3.64      knu      2759:
                   2760:     print <<EOF;
                   2761: <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
                   2762: <HTML>
                   2763: <HEAD>
                   2764: <META name="robots" content="nofollow">
                   2765: <!-- knu-cvsweb $cvsweb_revision -->
                   2766: <TITLE>$path$filename - $title - $rev</TITLE></HEAD>
                   2767: $body_tag_for_src
                   2768: <table width="100%" border=0 cellspacing=0 cellpadding=1 bgcolor="$navigationHeaderColor">
                   2769: <tr valign=bottom><td>
                   2770: EOF
                   2771:
3.35      knu      2772:     print &link($backicon, "$swhere$query#rev$rev");
3.1       knu      2773:     print "</a> <b>Return to ", &link("$filename","$swhere$query#rev$rev")," CVS log";
                   2774:     print "</b> $fileicon</td>";
3.12      knu      2775:
3.1       knu      2776:     print "<td align=right>$diricon <b>Up to ", &clickablePath($path, 1), "</b></td>";
                   2777:     print "</tr></table>";
                   2778: }
                   2779:
3.12      knu      2780: sub plural_write($$) {
3.1       knu      2781:     my ($num,$text) = @_;
                   2782:     if ($num != 1) {
3.36      knu      2783:        $text .= "s";
3.1       knu      2784:     }
                   2785:     if ($num > 0) {
3.36      knu      2786:        return join(' ', $num, $text);
3.1       knu      2787:     }
                   2788:     else {
                   2789:        return "";
                   2790:     }
                   2791: }
                   2792:
                   2793: ##
                   2794: # print readable timestamp in terms of
                   2795: # '..time ago'
                   2796: # H. Zeller <zeller@think.de>
                   2797: ##
3.12      knu      2798: sub readableTime($$) {
3.1       knu      2799:     my ($i, $break, $retval);
                   2800:     my ($secs,$long) = @_;
                   2801:
                   2802:     # this function works correct for time >= 2 seconds
                   2803:     if ($secs < 2) {
                   2804:        return "very little time";
                   2805:     }
                   2806:
                   2807:     my %desc = (1 , 'second',
                   2808:                   60, 'minute',
                   2809:                   3600, 'hour',
                   2810:                   86400, 'day',
                   2811:                   604800, 'week',
                   2812:                   2628000, 'month',
                   2813:                   31536000, 'year');
                   2814:     my @breaks = sort {$a <=> $b} keys %desc;
                   2815:     $i = 0;
3.12      knu      2816:     while ($i <= $#breaks && $secs >= 2 * $breaks[$i]) {
3.1       knu      2817:        $i++;
                   2818:     }
                   2819:     $i--;
                   2820:     $break = $breaks[$i];
3.3       knu      2821:     $retval = plural_write(int ($secs / $break), $desc{$break});
3.1       knu      2822:
                   2823:     if ($long == 1 && $i > 0) {
                   2824:        my $rest = $secs % $break;
                   2825:        $i--;
                   2826:        $break = $breaks[$i];
3.12      knu      2827:        my $resttime = plural_write(int ($rest / $break),
3.3       knu      2828:                                $desc{$break});
3.1       knu      2829:        if ($resttime) {
3.36      knu      2830:            $retval .= ", $resttime";
3.1       knu      2831:        }
                   2832:     }
                   2833:
                   2834:     return $retval;
                   2835: }
                   2836:
                   2837: ##
                   2838: # clickablePath(String pathname, boolean last_item_clickable)
                   2839: #
                   2840: # returns a html-ified path whereas each directory is a link for
                   2841: # faster navigation. last_item_clickable controls whether the
                   2842: # basename (last directory/file) is a link as well
                   2843: ##
                   2844: sub clickablePath($$) {
3.12      knu      2845:     my ($pathname,$clickLast) = @_;
3.1       knu      2846:     my $retval = '';
3.12      knu      2847:
3.1       knu      2848:     if ($pathname eq '/') {
                   2849:        # this should never happen - chooseCVSRoot() is
                   2850:        # intended to do this
                   2851:        $retval = "[$cvstree]";
                   2852:     }
                   2853:     else {
3.35      knu      2854:        $retval .= ' ' . &link("[$cvstree]", sprintf('%s/%s#dirlist',
                   2855:                                                     $scriptname,
                   2856:                                                     $query));
3.1       knu      2857:        my $wherepath = '';
                   2858:        my ($lastslash) = $pathname =~ m|/$|;
                   2859:        foreach (split(/\//, $pathname)) {
3.36      knu      2860:            $retval .= " / ";
                   2861:            $wherepath .= "/$_";
3.1       knu      2862:            my ($last) = "$wherepath/" eq "/$pathname"
3.3       knu      2863:                || $wherepath eq "/$pathname";
3.1       knu      2864:            if ($clickLast || !$last) {
3.35      knu      2865:                $retval .= &link($_, join('',
                   2866:                                          $scriptname,
                   2867:                                          urlencode($wherepath),
                   2868:                                          (!$last || $lastslash ? '/' : ''),
                   2869:                                          $query,
                   2870:                                          (!$last || $lastslash ? "#dirlist" : "")));
3.1       knu      2871:            }
                   2872:            else { # do not make a link to the current dir
3.35      knu      2873:                $retval .= $_;
3.1       knu      2874:            }
                   2875:        }
                   2876:     }
                   2877:     return $retval;
                   2878: }
                   2879:
                   2880: sub chooseCVSRoot() {
3.57      knu      2881:     if (2 <= @CVSROOT) {
3.1       knu      2882:        my ($k);
                   2883:        print "<form method=\"GET\" action=\"${scriptwhere}\">\n";
                   2884:        foreach $k (keys %input) {
3.12      knu      2885:            print "<input type=hidden NAME=$k VALUE=$input{$k}>\n"
3.1       knu      2886:                if ($input{$k}) && ($k ne "cvsroot");
                   2887:        }
                   2888:        # Form-Elements look wierd in Netscape if the background
                   2889:        # isn't gray and the form elements are not placed
                   2890:        # within a table ...
                   2891:        print "<table><tr>";
                   2892:        print "<td>CVS Root:</td>";
                   2893:        print "<td>\n<select name=\"cvsroot\"";
                   2894:        print " onchange=\"submit()\"" if ($use_java_script);
                   2895:        print ">\n";
3.57      knu      2896:        foreach $k (@CVSROOT) {
3.1       knu      2897:            print "<option value=\"$k\"";
3.3       knu      2898:            print " selected" if ($k eq $cvstree);
3.36      knu      2899:            print ">", ($CVSROOTdescr{$k} ? $CVSROOTdescr{$k} : $k), "</option>\n";
3.1       knu      2900:        }
                   2901:        print "</select>\n</td>";
3.57      knu      2902:        print "<td>";
3.1       knu      2903:     }
                   2904:     else {
                   2905:        # no choice ..
                   2906:        print "CVS Root: <b>[$cvstree]</b>";
                   2907:     }
3.57      knu      2908:
                   2909:     print " Module path or alias:\n";
                   2910:     print "<INPUT TYPE=TEXT NAME=\"path\" VALUE=\"\" SIZE=15>\n";
                   2911:     print "<input type=submit value=\"Go\">";
                   2912:
                   2913:     if (2 <= @CVSROOT) {
                   2914:        print "</td></tr></table></form>";
                   2915:     }
3.1       knu      2916: }
                   2917:
                   2918: sub chooseMirror() {
                   2919:     my ($mirror,$moremirrors);
                   2920:     $moremirrors = 0;
                   2921:     # This code comes from the original BSD-cvsweb
                   2922:     # and may not be useful for your site; If you don't
                   2923:     # set %MIRRORS this won't show up, anyway
                   2924:     #
3.12      knu      2925:     # Should perhaps exlude the current site somehow..
3.1       knu      2926:     if (keys %MIRRORS) {
                   2927:        print "\nThis cvsweb is mirrored in:\n";
                   2928:        foreach $mirror (keys %MIRRORS) {
                   2929:            print ", " if ($moremirrors);
3.35      knu      2930:            print &link(htmlquote($mirror),$MIRRORS{$mirror});
3.1       knu      2931:            $moremirrors = 1;
                   2932:        }
                   2933:        print "<p>\n";
                   2934:     }
                   2935: }
                   2936:
3.12      knu      2937: sub fileSortCmp() {
3.1       knu      2938:     my ($comp) = 0;
                   2939:     my ($c,$d,$af,$bf);
                   2940:
                   2941:     ($af = $a) =~ s/,v$//;
                   2942:     ($bf = $b) =~ s/,v$//;
                   2943:     my ($rev1,$date1,$log1,$author1,$filename1) = @{$fileinfo{$af}}
                   2944:         if (defined($fileinfo{$af}));
                   2945:     my ($rev2,$date2,$log2,$author2,$filename2) = @{$fileinfo{$bf}}
                   2946:         if (defined($fileinfo{$bf}));
                   2947:
                   2948:     if (defined($filename1) && defined($filename2) && $af eq $filename1 && $bf eq $filename2) {
                   2949:        # Two files
                   2950:        $comp = -revcmp($rev1, $rev2) if ($byrev && $rev1 && $rev2);
                   2951:        $comp = ($date2 <=> $date1) if ($bydate && $date1 && $date2);
                   2952:        $comp = ($log1 cmp $log2) if ($bylog && $log1 && $log2);
                   2953:        $comp = ($author1 cmp $author2) if ($byauthor && $author1 && $author2);
                   2954:     }
                   2955:     if ($comp == 0) {
                   2956:        # Directories first, then sorted on name if no other sort critera
                   2957:        # available.
                   2958:        my $ad = ((-d "$fullname/$a")?"D":"F");
                   2959:        my $bd = ((-d "$fullname/$b")?"D":"F");
                   2960:        ($c=$a) =~ s|.*/||;
                   2961:        ($d=$b) =~ s|.*/||;
                   2962:        $comp = ("$ad$c" cmp "$bd$d");
                   2963:     }
                   2964:     return $comp;
                   2965: }
                   2966:
                   2967: # make A url for downloading
3.12      knu      2968: sub download_url($$;$) {
3.1       knu      2969:     my ($url,$revision,$mimetype) = @_;
                   2970:
3.45      knu      2971:     $revision =~ s/\b0\.//;
3.1       knu      2972:
3.35      knu      2973:     if (defined($checkoutMagic)
3.1       knu      2974:        && (!defined($mimetype) || $mimetype ne "text/x-cvsweb-markup")) {
3.35      knu      2975:        my $path = $where;
                   2976:        $path =~ s|/[^/]*$|/|;
3.1       knu      2977:        $url = "$scriptname/$checkoutMagic/${path}$url";
                   2978:     }
                   2979:     $url .= "?rev=$revision";
3.35      knu      2980:     $url .= '&content-type=' . urlencode($mimetype) if (defined($mimetype));
3.1       knu      2981:
3.35      knu      2982:     $url;
3.1       knu      2983: }
                   2984:
3.12      knu      2985: # Presents a link to download the
3.1       knu      2986: # selected revision
3.12      knu      2987: sub download_link($$$;$) {
3.35      knu      2988:     my ($url, $revision, $textlink, $mimetype) = @_;
                   2989:     my ($fullurl) = download_url($url, $revision, $mimetype);
                   2990:
3.46      knu      2991:     printf '<A HREF="%s"', hrefquote("$fullurl$barequery");
3.35      knu      2992:
3.1       knu      2993:     if ($open_extern_window && (!defined($mimetype) || $mimetype ne "text/x-cvsweb-markup")) {
3.35      knu      2994:        print ' target="cvs_checkout"';
3.1       knu      2995:        # we should have
                   2996:        #   'if (document.cvswin==null) document.cvswin=window.open(...'
                   2997:        # in order to allow the user to resize the window; otherwise
                   2998:        # the user may resize the window, but on next checkout - zap -
                   2999:        # its original (configured s. cvsweb.conf) size is back again
                   3000:        # .. annoying (if $extern_window_(width|height) is defined)
                   3001:        # but this if (..) solution is far from perfect
                   3002:        # what we need to do as well is
                   3003:        # 1) save cvswin in an invisible frame that always exists
                   3004:        #    (document.cvswin will be void on next load)
                   3005:        # 2) on close of the cvs_checkout - window set the cvswin
                   3006:        #    variable to 'null' again - so that it will be
                   3007:        #    reopenend with the configured size
                   3008:        # anyone a JavaScript programmer ?
                   3009:        # .. so here without if (..):
                   3010:        # currently, the best way is to comment out the size parameters
                   3011:        # ($extern_window...) in cvsweb.conf.
                   3012:        if ($use_java_script) {
3.35      knu      3013:            my @attr = qw(resizeable scrollbars);
                   3014:
                   3015:            push @attr, qw(status toolbar)
                   3016:              if (defined($mimetype) && $mimetype eq "text/html");
                   3017:
                   3018:            push @attr, "width=$extern_window_width"
                   3019:              if (defined($extern_window_width));
                   3020:
                   3021:            push @attr, "height=$extern_window_height"
                   3022:              if (defined($extern_window_height));
                   3023:
                   3024:            printf q` onClick="window.open('%s','cvs_checkout','%s');"`,
3.46      knu      3025:              hrefquote($fullurl), join(',', @attr);
3.1       knu      3026:        }
                   3027:     }
                   3028:     print "><b>$textlink</b></A>";
                   3029: }
                   3030:
                   3031: # Returns a Query string with the
                   3032: # specified parameter toggled
                   3033: sub toggleQuery($$) {
                   3034:     my ($toggle,$value) = @_;
                   3035:     my ($newquery,$var);
                   3036:     my (%vars);
                   3037:     %vars = %input;
                   3038:     if (defined($value)) {
                   3039:        $vars{$toggle} = $value;
                   3040:     }
                   3041:     else {
                   3042:        $vars{$toggle} = $vars{$toggle} ? 0 : 1;
                   3043:     }
                   3044:     # Build a new query of non-default paramenters
                   3045:     $newquery = "";
                   3046:     foreach $var (@stickyvars) {
                   3047:        my ($value) = defined($vars{$var}) ? $vars{$var} : "";
                   3048:        my ($default) = defined($DEFAULTVALUE{$var}) ? $DEFAULTVALUE{$var} : "";
                   3049:        if ($value ne $default) {
3.35      knu      3050:            $newquery .= "&" if ($newquery ne "");
3.1       knu      3051:            $newquery .= urlencode($var) . "=" . urlencode($value);
                   3052:        }
                   3053:     }
                   3054:     if ($newquery) {
                   3055:        return '?' . $newquery;
                   3056:     }
                   3057:     return "";
                   3058: }
                   3059:
3.12      knu      3060: sub urlencode($) {
3.35      knu      3061:     local($_) = @_;
                   3062:
                   3063:     s/[\000-+{-\377]/sprintf("%%%02x", ord($&))/ge;
                   3064:
3.46      knu      3065:     $_;
3.35      knu      3066: }
                   3067:
                   3068: sub htmlquote($) {
                   3069:     local($_) = @_;
                   3070:
                   3071:     # Special Characters; RFC 1866
                   3072:     s/&/&amp;/g;
                   3073:     s/\"/&quot;/g;
                   3074:     s/</&lt;/g;
                   3075:     s/>/&gt;/g;
                   3076:
                   3077:     $_;
3.1       knu      3078: }
                   3079:
3.36      knu      3080: sub htmlunquote($) {
                   3081:     local($_) = @_;
                   3082:
                   3083:     # Special Characters; RFC 1866
                   3084:     s/&quot;/\"/g;
                   3085:     s/&lt;/</g;
                   3086:     s/&gt;/>/g;
                   3087:     s/&amp;/&/g;
                   3088:
                   3089:     $_;
                   3090: }
                   3091:
3.46      knu      3092: sub hrefquote($) {
                   3093:     local($_) = @_;
                   3094:
                   3095:     y/ /+/;
                   3096:
                   3097:     htmlquote($_)
                   3098: }
                   3099:
3.12      knu      3100: sub http_header(;$) {
3.1       knu      3101:     my $content_type = shift || "text/html";
3.50      knu      3102:
                   3103:     $content_type .= "; charset=$charset"
                   3104:       if $content_type =~ m,^text/, && defined($charset) && $charset;
                   3105:
3.1       knu      3106:     if (defined($moddate)) {
                   3107:        if ($is_mod_perl) {
3.23      knu      3108:            Apache->request->header_out("Last-Modified" => scalar gmtime($moddate) . " GMT");
3.1       knu      3109:        }
                   3110:        else {
3.36      knu      3111:            print "Last-Modified: ", scalar gmtime($moddate), " GMT\r\n";
3.1       knu      3112:        }
                   3113:     }
                   3114:     if ($is_mod_perl) {
                   3115:        Apache->request->content_type($content_type);
                   3116:     }
                   3117:     else {
3.4       knu      3118:            print "Content-type: $content_type\r\n";
3.1       knu      3119:     }
                   3120:     if ($allow_compress && $maycompress) {
3.60      knu      3121:        if ($has_zlib || (defined($CMD{gzip}) && open(GZIP, "| $CMD{gzip} -1 -c"))) {
3.1       knu      3122:            if ($is_mod_perl) {
                   3123:                    Apache->request->content_encoding("x-gzip");
                   3124:                    Apache->request->header_out(Vary => "Accept-Encoding");
                   3125:                    Apache->request->send_http_header;
                   3126:            }
                   3127:            else {
3.4       knu      3128:                    print "Content-encoding: x-gzip\r\n";
                   3129:                    print "Vary: Accept-Encoding\r\n";  #RFC 2068, 14.43
                   3130:                    print "\r\n"; # Close headers
3.1       knu      3131:            }
                   3132:            $| = 1; $| = 0; # Flush header output
3.23      knu      3133:            if ($has_zlib) {
                   3134:                tie *GZIP, __PACKAGE__, \*STDOUT;
                   3135:            }
                   3136:            select(GZIP);
                   3137:            $gzip_open = 1;
3.40      knu      3138: #          print "<!-- gzipped -->" if ($content_type =~ m|^text/html\b|);
3.1       knu      3139:        }
                   3140:        else {
                   3141:            if ($is_mod_perl) {
                   3142:                    Apache->request->send_http_header;
                   3143:            }
                   3144:            else {
3.4       knu      3145:                    print "\r\n"; # Close headers
3.1       knu      3146:            }
3.59      knu      3147:            print "<font size=-1>Unable to find gzip binary in the <b>\$command_path</b> ($command_path) to compress output</font><br>";
3.1       knu      3148:        }
                   3149:     }
                   3150:     else {
                   3151:            if ($is_mod_perl) {
                   3152:                    Apache->request->send_http_header;
                   3153:            }
                   3154:            else {
3.4       knu      3155:                    print "\r\n"; # Close headers
3.1       knu      3156:            }
                   3157:     }
                   3158: }
                   3159:
                   3160: sub html_header($) {
                   3161:     my ($title) = @_;
3.50      knu      3162:     http_header("text/html");
3.1       knu      3163:     print <<EOH;
                   3164: <!doctype html public "-//W3C//DTD HTML 4.0 Transitional//EN"
                   3165:  "http://www.w3.org/TR/REC-html40/loose.dtd">
                   3166: <html>
3.40      knu      3167: <head>
3.43      knu      3168: <meta name="robots" content="nofollow">
3.1       knu      3169: <title>$title</title>
3.64      knu      3170: <!-- knu-cvsweb $cvsweb_revision -->
3.1       knu      3171: </head>
                   3172: $body_tag
                   3173: $logo <h1 align="center">$title</h1>
                   3174: EOH
                   3175: }
                   3176:
3.12      knu      3177: sub html_footer() {
3.1       knu      3178:     return "<hr noshade><address>$address</address>\n";
                   3179: }
                   3180:
3.12      knu      3181: sub link_tags($) {
3.1       knu      3182:     my ($tags) = @_;
                   3183:     my ($ret) = "";
                   3184:     my ($fileurl,$filename);
                   3185:
                   3186:     ($filename = $where) =~ s/^.*\///;
                   3187:     $fileurl = urlencode($filename);
                   3188:
                   3189:     foreach my $sym (split(", ", $tags)) {
                   3190:        $ret .= ",\n" if ($ret ne "");
3.35      knu      3191:        $ret .= &link($sym, $fileurl . toggleQuery('only_with_tag',$sym));
3.1       knu      3192:     }
3.35      knu      3193:     return "$ret\n";
3.1       knu      3194: }
                   3195:
                   3196: #
                   3197: # See if a module is listed in the config file's @HideModule list.
                   3198: #
3.12      knu      3199: sub forbidden_module($) {
3.1       knu      3200:     my($module) = @_;
3.12      knu      3201:
3.1       knu      3202:     for (my $i=0; $i < @HideModules; $i++) {
                   3203:        return 1 if $module eq $HideModules[$i];
                   3204:     }
                   3205:
                   3206:     return 0;
3.25      knu      3207: }
                   3208:
                   3209: # Close the GZIP handle remove the tie.
                   3210:
                   3211: sub gzipclose {
                   3212:        if ($gzip_open) {
                   3213:            select(STDOUT);
                   3214:            close(GZIP);
                   3215:            untie *GZIP;
                   3216:            $gzip_open = 0;
                   3217:        }
3.23      knu      3218: }
                   3219:
                   3220: # implement a gzipped file handle via the Compress:Zlib compression
                   3221: # library.
                   3222:
                   3223: sub MAGIC1() { 0x1f }
                   3224: sub MAGIC2() { 0x8b }
                   3225: sub OSCODE() { 3    }
                   3226:
                   3227: sub TIEHANDLE {
                   3228:        my ($class, $out) = @_;
                   3229:        my ($d) = Compress::Zlib::deflateInit(-Level => Compress::Zlib::Z_BEST_COMPRESSION(),
                   3230:                -WindowBits => -Compress::Zlib::MAX_WBITS()) or return undef;
                   3231:        my ($o) = {
                   3232:                handle => $out,
                   3233:                dh => $d,
                   3234:                crc => 0,
                   3235:                len => 0,
                   3236:        };
                   3237:        my ($header) = pack("c10", MAGIC1, MAGIC2, Compress::Zlib::Z_DEFLATED(), 0,0,0,0,0,0, OSCODE);
                   3238:        print {$o->{handle}} $header;
                   3239:        return bless($o, $class);
                   3240: }
                   3241:
                   3242: sub PRINT {
                   3243:        my ($o) = shift;
                   3244:        my ($buf) = join(defined $, ? $, : "",@_);
                   3245:        my ($len) = length($buf);
                   3246:        my ($compressed, $status) = $o->{dh}->deflate($buf);
                   3247:        print {$o->{handle}} $compressed if defined($compressed);
                   3248:        $o->{crc} = Compress::Zlib::crc32($buf, $o->{crc});
                   3249:        $o->{len} += $len;
                   3250:        return $len;
                   3251: }
                   3252:
                   3253: sub PRINTF {
                   3254:        my ($o) = shift;
                   3255:        my ($fmt) = shift;
                   3256:        my ($buf) = sprintf($fmt, @_);
                   3257:        my ($len) = length($buf);
                   3258:        my ($compressed, $status) = $o->{dh}->deflate($buf);
                   3259:        print {$o->{handle}} $compressed if defined($compressed);
                   3260:        $o->{crc} = Compress::Zlib::crc32($buf, $o->{crc});
                   3261:        $o->{len} += $len;
                   3262:        return $len;
                   3263: }
                   3264:
                   3265: sub WRITE {
                   3266:        my ($o, $buf, $len, $off) = @_;
                   3267:        my ($compressed, $status) = $o->{dh}->deflate(substr($buf, 0, $len));
                   3268:        print {$o->{handle}} $compressed if defined($compressed);
                   3269:        $o->{crc} = Compress::Zlib::crc32(substr($buf, 0, $len), $o->{crc});
                   3270:        $o->{len} += $len;
                   3271:        return $len;
                   3272: }
                   3273:
                   3274: sub CLOSE {
                   3275:        my ($o) = @_;
                   3276:        return if !defined( $o->{dh});
                   3277:        my ($buf) = $o->{dh}->flush();
                   3278:        $buf .= pack("V V", $o->{crc}, $o->{len});
                   3279:        print {$o->{handle}} $buf;
                   3280:        undef $o->{dh};
                   3281: }
                   3282:
                   3283: sub DESTROY {
                   3284:        my ($o) = @_;
                   3285:        CLOSE($o);
1.1       jfieber  3286: }

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